diff options
Diffstat (limited to 'mig')
-rw-r--r-- | mig/ChangeLog | 163 | ||||
-rw-r--r-- | mig/alloc.h | 34 | ||||
-rw-r--r-- | mig/boolean.h | 38 | ||||
-rw-r--r-- | mig/cpu.sym | 58 | ||||
-rw-r--r-- | mig/error.c | 91 | ||||
-rw-r--r-- | mig/error.h | 61 | ||||
-rw-r--r-- | mig/global.c | 94 | ||||
-rw-r--r-- | mig/global.h | 77 | ||||
-rw-r--r-- | mig/header.c | 210 | ||||
-rw-r--r-- | mig/lexxer.c | 2518 | ||||
-rw-r--r-- | mig/lexxer.h | 33 | ||||
-rw-r--r-- | mig/lexxer.l | 269 | ||||
-rw-r--r-- | mig/message.h | 37 | ||||
-rw-r--r-- | mig/mig.sh | 95 | ||||
-rw-r--r-- | mig/mig_string.h | 49 | ||||
-rw-r--r-- | mig/migcom.c | 298 | ||||
-rw-r--r-- | mig/parser.c | 1700 | ||||
-rw-r--r-- | mig/parser.h | 87 | ||||
-rw-r--r-- | mig/parser.y | 671 | ||||
-rw-r--r-- | mig/routine.c | 1334 | ||||
-rw-r--r-- | mig/routine.h | 401 | ||||
-rw-r--r-- | mig/server.c | 1322 | ||||
-rw-r--r-- | mig/statement.c | 48 | ||||
-rw-r--r-- | mig/statement.h | 65 | ||||
-rw-r--r-- | mig/string.c | 79 | ||||
-rw-r--r-- | mig/type.c | 918 | ||||
-rw-r--r-- | mig/type.h | 218 | ||||
-rw-r--r-- | mig/user.c | 1332 | ||||
-rw-r--r-- | mig/utils.c | 417 | ||||
-rw-r--r-- | mig/utils.h | 76 | ||||
-rw-r--r-- | mig/vprint.c | 433 | ||||
-rw-r--r-- | mig/write.h | 41 |
32 files changed, 13267 insertions, 0 deletions
diff --git a/mig/ChangeLog b/mig/ChangeLog new file mode 100644 index 0000000..00182f4 --- /dev/null +++ b/mig/ChangeLog @@ -0,0 +1,163 @@ +Thu Mar 20 14:56:34 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> + + * error.c (unix_error_string): Assume HAVE_STRERROR. + +Wed May 15 13:55:01 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * user.c (WriteRequestArgs): Don't check args against akbUserArg. + (WritePackArg): Do check poly args also against akbUserArg. + +Thu May 2 19:13:32 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * routine.h (struct routine): Split rtReplyPort field into + rtUReplyPort and rtSReplyPort fields. + * routine.c (rtAddDummyReplyPort): Add USER arg, and use it. + (rtCheckRoutineArg): Set user or server or both reply ports. + (rtSetArgDefaults, rtCheckArgTypes, rtCheckRoutine): Deal with + split reply ports. + * user.c (WriteRequestHead, WriteMsgCheckReceive): Use + rtUReplyPort field instead of rtReplyPort. + (WriteRequestArgs): Only deal with user-side args. + +Wed May 15 13:55:01 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * user.c (WriteRequestArgs): Don't check args against akbUserArg. + (WritePackArg): Do check poly args also against akbUserArg. + +Thu May 2 19:13:32 1996 Miles Bader <miles@gnu.ai.mit.edu> + + * routine.h (struct routine): Split rtReplyPort field into + rtUReplyPort and rtSReplyPort fields. + * routine.c (rtAddDummyReplyPort): Add USER arg, and use it. + (rtCheckRoutineArg): Set user or server or both reply ports. + (rtSetArgDefaults, rtCheckArgTypes, rtCheckRoutine): Deal with + split reply ports. + * user.c (WriteRequestHead, WriteMsgCheckReceive): Use + rtUReplyPort field instead of rtReplyPort. + (WriteRequestArgs): Only deal with user-side args. + +Thu Feb 29 12:46:40 1996 steve clawson <sclawson@marker.cs.utah.edu> + + * user.c (WriteMsgCheckReceive): If the reply-port isn't + user-supplied and there was a message transmission error, then + deallocate it. From Michael I Bushnell (mib@gnu.ai.mit.edu). + + * user.c (WriteMsgCheckIdentity): Dealloc reply port if a + mismatched reply comes in to avoid cascaded errors. From + Michael I Bushnell (mib@gnu.ai.mit.edu). + +Wed May 3 13:59:54 MDT 1995 Bryan Ford <baford@cs.utah.edu> + + Merged in diffs from UK02p12 to UK02p15: + + Wed May 3 10:47:41 MDT 1995 Bryan Ford <baford@cs.utah.edu> + + * Released UK02p15. + + * mig_string.h: include string.h instead of strings.h + + * user.c, lexxer.l: changed index/rindex to strchr/strrchr. + +Fri Feb 10 13:25:54 MST 1995 Bryan Ford <baford@cs.utah.edu> + + Merged in diffs from UK02p7 to UK02p9: + + Sun, 29 Jan 1995 Remy.Card@masi.ibp.fr (Remy CARD) + + Fixed a bug that causes mig to generate bad file names + in #include directives when generating the user source file. + +Fri Nov 25 13:56:32 MST 1994 Bryan Ford (baford@cs.utah.edu) + + Merged in diffs from UK02p6 to UK02p7: + + * MIG now compiles under BSD without 'vm_???_t' types + conflicting between host (BSD) and target (Mach) + header files. Basically, the MIG source files compiled + to run on the host machine no longer include mach/message.h; + instead they get the needed defines through cpu.h + which is built by compiling cpu.sym for the target machine. + +Mon Aug 29 18:31:21 1994 Bryan Ford (baford@cs.utah.edu) + + * got rid of /usr/bin pathname in call to basename: + basename isn't always in /usr/bin. + +Fri Aug 26 11:36:10 1994 Louis-D. Dubeau (hallu@info.polymtl.ca) + + * Fixed mig.sh to pass -imacros flags to CPP correctly. + +Tue Sep 6 10:00:29 1994 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * Released UK02p6. + + * use strerror instead of sys_errlist if it's available. + + * Other minor portability fixes. + +Mon Aug 15 18:37:47 1994 Roland McGrath <roland@churchy.gnu.ai.mit.edu> + + * global.c (more_global): Prepend RoutinePrefix to ServerDemux + even for non-default value of ServerDemux. + +Fri Jul 8 14:36:53 1994 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * routine.h (rtSkip): Take int arg. + * routine.c (rtSkip): Take int arg and increment by that many. + * parser.y (Statement): Grok `skip N;'; pass int arg to rtSkip. + +Fri May 13 15:08:56 1994 Michael I Bushnell (mib@churchy.gnu.ai.mit.edu) + + * user.c (WriteMsgCheckReceive): Deallocate the reply port also if + we get one of the send errors that can cause the message to be + partially sent and then destroyed; otherwise we might later get a + spurious send-once notification. + +Wed Aug 4 10:34:42 1993 Michael I. Bushnell (mib at ernst.gnu.ai.mit.edu) + + * Makefile: Don't use flex or bison; use lex and yacc instead. + + * migcom.c (myfopen): Added extern declaration of errno. + +Wed Jun 30 19:46:51 1993 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * user.c (WriteUser): Call WriteImport for skImport and skUImport + statements. + (WriteUserIndividual): Write all the import and uimport statements + to each file. + +Mon Jun 28 22:07:14 1993 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * utils.c (WriteStaticShortDecl, WriteCheckDecl, + WriteStaticLongDecl): Generate a `const' definition. + +Fri Jun 25 17:53:26 1993 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * utils.c (WriteCopyType): Write SubrPrefix before `mig_strncpy'. + + * user.c (WriteRequestHead): Write SubrPrefix before + `mig_get_reply_port'. + (WriteMsgCheckReceive): Write SubrPrefix before + `mig_dealloc_reply_port'. + (WritePackArgValue): Write SubrPrefix before `mig_strncpy'. + (WriteExtractArgValue): Likewise. + (WriteExtractArgValue): Write SubrPrefix before `mig_allocate'. + (WriteMsgSend): Write SubrPrefix before `mach_msg_send_from_kernel' + and `mach_msg'. + (WriteMsgSendReceive): Write SubrPrefix before `mach_msg'. + (WriteMsgRPC): Write SubrPrefix before `mach_msg_rpc_from_kernel' + and `mach_msg'. + + * server.c (WriteDestroyArg): Write SubrPrefix before `mig_deallocate'. + (WritePackArgValue): Write SubrPrefix before `mig_strncpy'. + (WriteDestroyPortArg): Write SubrPrefix before `ipc_port_release_send'. + (WriteAdjustMsgCircular): Write SubrPrefix before + `ipc_port_check_circularity'. + + * routine.c (rtCheckRoutine): Prepend RoutinePrefix to + RT->rtServerName and RT->rtUserName. + + * migcom.c (parseArgs): Recognize -subrprefix and -prefix. + + * global.c (SubrPrefix, RoutinePrefix): Define new variables. + * global.h: Declare them. diff --git a/mig/alloc.h b/mig/alloc.h new file mode 100644 index 0000000..1d0b88f --- /dev/null +++ b/mig/alloc.h @@ -0,0 +1,34 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _ALLOC_H +#define _ALLOC_H + +extern char *malloc(); +extern char *calloc(); +extern void free(); + +#endif _ALLOC_H diff --git a/mig/boolean.h b/mig/boolean.h new file mode 100644 index 0000000..5773e5e --- /dev/null +++ b/mig/boolean.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ +#ifndef _MIG_BOOLEAN_H_ +#define _MIG_BOOLEAN_H_ + +#ifndef boolean_t +#define boolean_t int +#endif + +#ifndef TRUE +#define TRUE ((boolean_t) 1) +#endif + +#ifndef FALSE +#define FALSE ((boolean_t) 0) +#endif + +#endif /* _MIG_BOOLEAN_H_ */ diff --git a/mig/cpu.sym b/mig/cpu.sym new file mode 100644 index 0000000..eca50f3 --- /dev/null +++ b/mig/cpu.sym @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ + +#include <mach/message.h> + +expr sizeof(integer_t) word_size +expr sizeof(integer_t)*8 word_size_in_bits +expr sizeof(void*) sizeof_pointer +expr sizeof(mach_msg_header_t) sizeof_mach_msg_header_t +expr sizeof(mach_msg_type_t) sizeof_mach_msg_type_t +expr sizeof(mach_msg_type_long_t) sizeof_mach_msg_type_long_t + +expr MACH_MSG_TYPE_UNSTRUCTURED +expr MACH_MSG_TYPE_POLYMORPHIC +expr MACH_MSG_TYPE_BIT +expr MACH_MSG_TYPE_BOOLEAN +expr MACH_MSG_TYPE_INTEGER_16 +expr MACH_MSG_TYPE_INTEGER_32 +expr MACH_MSG_TYPE_CHAR +expr MACH_MSG_TYPE_BYTE +expr MACH_MSG_TYPE_INTEGER_8 +expr MACH_MSG_TYPE_REAL +expr MACH_MSG_TYPE_INTEGER_64 +expr MACH_MSG_TYPE_STRING +expr MACH_MSG_TYPE_STRING_C + +expr MACH_MSG_TYPE_MOVE_RECEIVE +expr MACH_MSG_TYPE_MOVE_SEND +expr MACH_MSG_TYPE_MOVE_SEND_ONCE +expr MACH_MSG_TYPE_COPY_SEND +expr MACH_MSG_TYPE_MAKE_SEND +expr MACH_MSG_TYPE_MAKE_SEND_ONCE + +expr MACH_MSG_TYPE_PORT_NAME +expr MACH_MSG_TYPE_PORT_RECEIVE +expr MACH_MSG_TYPE_PORT_SEND +expr MACH_MSG_TYPE_PORT_SEND_ONCE + diff --git a/mig/error.c b/mig/error.c new file mode 100644 index 0000000..ae97143 --- /dev/null +++ b/mig/error.c @@ -0,0 +1,91 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <stdio.h> +#include <stdarg.h> + +#include "global.h" +#include "error.h" +#include "lexxer.h" + +static const char *program; +int errors = 0; + +void +fatal(const char *format, ...) +{ + va_list pvar; + va_start(pvar, format); + fprintf(stderr, "%s: fatal: ", program); + (void) vfprintf(stderr, format, pvar); + fprintf(stderr, "\n"); + va_end(pvar); + exit(1); +} + +void +warn(const char *format, ...) +{ + va_list pvar; + va_start(pvar, format); + if (!BeQuiet && (errors == 0)) + { + fprintf(stderr, "\"%s\", line %d: warning: ", inname, lineno-1); + (void) vfprintf(stderr, format, pvar); + fprintf(stderr, "\n"); + } + va_end(pvar); +} + +void +error(const char *format, ...) +{ + va_list pvar; + va_start(pvar, format); + fprintf(stderr, "\"%s\", line %d: ", inname, lineno-1); + (void) vfprintf(stderr, format, pvar); + fprintf(stderr, "\n"); + va_end(pvar); + errors++; +} + +const char * +unix_error_string(int error_num) +{ + static char buffer[256]; + const char *error_mess; + + error_mess = strerror (error_num); + + sprintf(buffer, "%s (%d)", error_mess, error_num); + return buffer; +} + +void +set_program_name(const char *name) +{ + program = name; +} diff --git a/mig/error.h b/mig/error.h new file mode 100644 index 0000000..a5962fe --- /dev/null +++ b/mig/error.h @@ -0,0 +1,61 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _ERROR_H +#define _ERROR_H + +#include <sys/errno.h> +extern int errno; + +#if defined(__GNUC__) +extern void fatal(const char *format, ...) +#if __GNUC__ > 1 + __attribute__ ((format (printf, 1, 2), + noreturn)) +#endif + ; +extern void warn(const char *format, ...) +#if __GNUC__ > 1 + __attribute__ ((format (printf, 1, 2))) +#endif + ; +extern void error(const char *format, ...) +#if __GNUC__ > 1 + __attribute__ ((format (printf, 1, 2))) +#endif + ; +#else /* not defined(__GNUC__) */ +extern void fatal(const char *format, ...); +extern void warn(const char *format, ...); +extern void error(const char *format, ...); +#endif /* defined(__GNUC__) */ + +extern const char *unix_error_string(int error_num); + +extern int errors; +extern void set_program_name(const char *name); + +#endif /* _ERROR_H */ diff --git a/mig/global.c b/mig/global.c new file mode 100644 index 0000000..f1b25ac --- /dev/null +++ b/mig/global.c @@ -0,0 +1,94 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include "error.h" +#include "global.h" + +boolean_t BeQuiet = FALSE; +boolean_t BeVerbose = FALSE; +boolean_t UseMsgRPC = TRUE; +boolean_t GenSymTab = FALSE; + +boolean_t IsKernelUser = FALSE; +boolean_t IsKernelServer = FALSE; + +const_string_t RCSId = strNULL; + +const_string_t SubsystemName = strNULL; +u_int SubsystemBase = 0; + +const_string_t MsgOption = strNULL; +const_string_t WaitTime = strNULL; +const_string_t ErrorProc = "MsgError"; +const_string_t ServerPrefix = ""; +const_string_t UserPrefix = ""; +const_string_t ServerDemux = strNULL; +const_string_t SubrPrefix = ""; +const_string_t RoutinePrefix = ""; + +string_t yyinname; + +const char LintLib[] = "defined(LINTLIBRARY)"; + +void +init_global(void) +{ + yyinname = strmake("<no name yet>"); +} + +string_t UserFilePrefix = strNULL; +string_t UserHeaderFileName = strNULL; +string_t ServerHeaderFileName = strNULL; +string_t InternalHeaderFileName = strNULL; +string_t UserFileName = strNULL; +string_t ServerFileName = strNULL; + +void +more_global(void) +{ + if (SubsystemName == strNULL) + fatal("no SubSystem declaration"); + + if (UserHeaderFileName == strNULL) + UserHeaderFileName = strconcat(SubsystemName, ".h"); + else if (streql(UserHeaderFileName, "/dev/null")) + UserHeaderFileName = strNULL; + + if (UserFileName == strNULL) + UserFileName = strconcat(SubsystemName, "User.c"); + else if (streql(UserFileName, "/dev/null")) + UserFileName = strNULL; + + if (ServerFileName == strNULL) + ServerFileName = strconcat(SubsystemName, "Server.c"); + else if (streql(ServerFileName, "/dev/null")) + ServerFileName = strNULL; + + if (ServerDemux == strNULL) + ServerDemux = strconcat(SubsystemName, "_server"); + if (RoutinePrefix != NULL) + ServerDemux = strconcat (RoutinePrefix, ServerDemux); +} diff --git a/mig/global.h b/mig/global.h new file mode 100644 index 0000000..b841cd5 --- /dev/null +++ b/mig/global.h @@ -0,0 +1,77 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _GLOBAL_H +#define _GLOBAL_H + +#include <sys/types.h> + +#include "boolean.h" +#include "mig_string.h" + +extern boolean_t BeQuiet; /* no warning messages */ +extern boolean_t BeVerbose; /* summarize types, routines */ +extern boolean_t UseMsgRPC; +extern boolean_t GenSymTab; + +extern boolean_t IsKernelUser; +extern boolean_t IsKernelServer; + +extern const_string_t RCSId; + +extern const_string_t SubsystemName; +extern u_int SubsystemBase; + +extern const_string_t MsgOption; +extern const_string_t WaitTime; +extern const_string_t ErrorProc; +extern const_string_t ServerPrefix; +extern const_string_t UserPrefix; +extern const_string_t ServerDemux; +extern const_string_t SubrPrefix; +extern const_string_t RoutinePrefix; + +extern int yylineno; +extern string_t yyinname; + +extern void init_global(void); + +extern string_t UserFilePrefix; +extern string_t UserHeaderFileName; +extern string_t ServerHeaderFileName; +extern string_t InternalHeaderFileName; +extern string_t UserFileName; +extern string_t ServerFileName; + +extern void more_global(void); + +extern const char LintLib[]; + +#ifndef NULL +#define NULL 0 +#endif + +#endif /* _GLOBAL_H */ diff --git a/mig/header.c b/mig/header.c new file mode 100644 index 0000000..2635bc0 --- /dev/null +++ b/mig/header.c @@ -0,0 +1,210 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include "write.h" +#include "utils.h" +#include "global.h" +#include "error.h" + +static void +WriteIncludes(FILE *file) +{ + fprintf(file, "#include <mach/kern_return.h>\n"); + fprintf(file, "#include <mach/port.h>\n"); + fprintf(file, "#include <mach/message.h>\n"); + fprintf(file, "\n"); +} + +static void +WriteDefines(FILE *file) +{ +} + +static void +WriteMigExternal(FILE *file) +{ + fprintf(file, "#ifdef\tmig_external\n"); + fprintf(file, "mig_external\n"); + fprintf(file, "#else\n"); + fprintf(file, "extern\n"); + fprintf(file, "#endif\n"); +} + +static void +WriteProlog(FILE *file, const char *protect) +{ + if (protect != strNULL) { + fprintf(file, "#ifndef\t_%s\n", protect); + fprintf(file, "#define\t_%s\n", protect); + fprintf(file, "\n"); + } + + fprintf(file, "/* Module %s */\n", SubsystemName); + fprintf(file, "\n"); + + WriteIncludes(file); + WriteDefines(file); +} + +static void +WriteEpilog(FILE *file, const char *protect) +{ + if (protect != strNULL) { + fprintf(file, "\n"); + fprintf(file, "#endif\t/* not defined(_%s) */\n", protect); + } +} + +static void +WriteUserRoutine(FILE *file, const routine_t *rt) +{ + fprintf(file, "\n"); + fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName); + WriteMigExternal(file); + fprintf(file, "%s %s\n", ReturnTypeStr(rt), rt->rtUserName); + fprintf(file, "#if\t%s\n", LintLib); + fprintf(file, " ("); + WriteList(file, rt->rtArgs, WriteNameDecl, akbUserArg, ", " , ""); + fprintf(file, ")\n"); + WriteList(file, rt->rtArgs, WriteUserVarDecl, akbUserArg, ";\n", ";\n"); + fprintf(file, "{ "); + if (!rt->rtProcedure) + fprintf(file, "return "); + fprintf(file, "%s(", rt->rtUserName); + WriteList(file, rt->rtArgs, WriteNameDecl, akbUserArg, ", ", ""); + fprintf(file, "); }\n"); + fprintf(file, "#else\n"); + fprintf(file, "(\n"); + WriteList(file, rt->rtArgs, WriteUserVarDecl, akbUserArg, ",\n", "\n"); + fprintf(file, ");\n"); + fprintf(file, "#endif\n"); +} + +void +WriteUserHeader(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + const char *protect = strconcat(SubsystemName, "_user_"); + + WriteProlog(file, protect); + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + WriteUserRoutine(file, stat->stRoutine); + break; + case skImport: + case skUImport: + WriteImport(file, stat->stFileName); + break; + case skSImport: + break; + default: + fatal("WriteHeader(): bad statement_kind_t (%d)", + (int) stat->stKind); + } + WriteEpilog(file, protect); +} + +static void +WriteServerRoutine(FILE *file, const routine_t *rt) +{ + fprintf(file, "\n"); + fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName); + WriteMigExternal(file); + fprintf(file, "%s %s\n", ReturnTypeStr(rt), rt->rtServerName); + fprintf(file, "#if\t%s\n", LintLib); + fprintf(file, " ("); + WriteList(file, rt->rtArgs, WriteNameDecl, akbServerArg, ", " , ""); + fprintf(file, ")\n"); + WriteList(file, rt->rtArgs, WriteServerVarDecl, + akbServerArg, ";\n", ";\n"); + fprintf(file, "{ "); + if (!rt->rtProcedure) + fprintf(file, "return "); + fprintf(file, "%s(", rt->rtServerName); + WriteList(file, rt->rtArgs, WriteNameDecl, akbServerArg, ", ", ""); + fprintf(file, "); }\n"); + fprintf(file, "#else\n"); + fprintf(file, "(\n"); + WriteList(file, rt->rtArgs, WriteServerVarDecl, + akbServerArg, ",\n", "\n"); + fprintf(file, ");\n"); + fprintf(file, "#endif\n"); +} + +void +WriteServerHeader(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + const char *protect = strconcat(SubsystemName, "_server_"); + + WriteProlog(file, protect); + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + WriteServerRoutine(file, stat->stRoutine); + break; + case skImport: + case skSImport: + WriteImport(file, stat->stFileName); + break; + case skUImport: + break; + default: + fatal("WriteServerHeader(): bad statement_kind_t (%d)", + (int) stat->stKind); + } + WriteEpilog(file, protect); +} + +static void +WriteInternalRedefine(FILE *file, register const routine_t *rt) +{ + fprintf(file, "#define %s %s_external\n", rt->rtUserName, rt->rtUserName); +} + +void +WriteInternalHeader(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + WriteInternalRedefine(file, stat->stRoutine); + break; + case skImport: + case skUImport: + case skSImport: + break; + default: + fatal("WriteInternalHeader(): bad statement_kind_t (%d)", + (int) stat->stKind); + } +} diff --git a/mig/lexxer.c b/mig/lexxer.c new file mode 100644 index 0000000..4119cdf --- /dev/null +++ b/mig/lexxer.c @@ -0,0 +1,2518 @@ +/* A lexical scanner generated by flex */ + +/* Scanner skeleton version: + * $Header: cvs/gnumach/mig/Attic/lexxer.c,v 1.1 1997/04/14 20:28:00 thomas Exp $ + */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 + +#include <stdio.h> + + +/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ +#ifdef c_plusplus +#ifndef __cplusplus +#define __cplusplus +#endif +#endif + + +#ifdef __cplusplus + +#include <stdlib.h> +#include <unistd.h> + +/* Use prototypes in function declarations. */ +#define YY_USE_PROTOS + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +#if __STDC__ + +#define YY_USE_PROTOS +#define YY_USE_CONST + +#endif /* __STDC__ */ +#endif /* ! __cplusplus */ + +#ifdef __TURBOC__ + #pragma warn -rch + #pragma warn -use +#include <io.h> +#include <stdlib.h> +#define YY_USE_CONST +#define YY_USE_PROTOS +#endif + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + + +#ifdef YY_USE_PROTOS +#define YY_PROTO(proto) proto +#else +#define YY_PROTO(proto) () +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN yy_start = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START ((yy_start - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart( yyin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#define YY_BUF_SIZE 16384 + +typedef struct yy_buffer_state *YY_BUFFER_STATE; + +extern int yyleng; +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + +/* The funky do-while in the following #define is used to turn the definition + * int a single C statement (which needs a semi-colon terminator). This + * avoids problems with code like: + * + * if ( condition_holds ) + * yyless( 5 ); + * else + * do_something_else(); + * + * Prior to using the do-while the compiler would get upset at the + * "else" because it interpreted the "if" statement as being all + * done when it reached the ';' after the yyless() call. + */ + +/* Return all but the first 'n' matched characters back to the input stream. */ + +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + *yy_cp = yy_hold_char; \ + yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, yytext_ptr ) + +/* The following is because we cannot portably get our hands on size_t + * (without autoconf's help, which isn't available because we want + * flex-generated scanners to compile on their own). + */ +typedef unsigned int yy_size_t; + + +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + }; + +static YY_BUFFER_STATE yy_current_buffer = 0; + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + */ +#define YY_CURRENT_BUFFER yy_current_buffer + + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; + +static int yy_n_chars; /* number of characters read into yy_ch_buf */ + + +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 1; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart YY_PROTO(( FILE *input_file )); + +void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); +void yy_load_buffer_state YY_PROTO(( void )); +YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); +void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); +void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); +void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); +#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer ) + +YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size )); +YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *str )); +YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len )); + +static void *yy_flex_alloc YY_PROTO(( yy_size_t )); +static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )); +static void yy_flex_free YY_PROTO(( void * )); + +#define yy_new_buffer yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! yy_current_buffer ) \ + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ + yy_current_buffer->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) + +typedef unsigned char YY_CHAR; +FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; +typedef int yy_state_type; +extern char *yytext; +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state YY_PROTO(( void )); +static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); +static int yy_get_next_buffer YY_PROTO(( void )); +static void yy_fatal_error YY_PROTO(( yyconst char msg[] )); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + yytext_ptr = yy_bp; \ + yyleng = (int) (yy_cp - yy_bp); \ + yy_hold_char = *yy_cp; \ + *yy_cp = '\0'; \ + yy_c_buf_p = yy_cp; + +#define YY_NUM_RULES 100 +#define YY_END_OF_BUFFER 101 +static yyconst short int yy_accept[515] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 101, 99, 97, 98, 94, 77, 78, 75, + 73, 72, 74, 76, 88, 70, 71, 82, 79, 83, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 84, 85, 80, + 87, 86, 81, 89, 99, 99, 99, 96, 96, 95, + 94, 0, 0, 93, 88, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 11, 87, 87, 87, + 87, 87, 19, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + + 89, 0, 90, 0, 0, 91, 0, 0, 0, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 12, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 0, 92, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 31, + 87, 87, 87, 28, 87, 87, 87, 87, 18, 87, + 87, 36, 87, 87, 87, 87, 20, 87, 87, 13, + + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 24, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 25, 33, 40, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 32, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 42, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 34, 87, 87, 87, 87, 1, + 87, 87, 87, 87, 87, 27, 87, 87, 26, 87, + 87, 87, 87, 87, 87, 39, 87, 2, 87, 87, + + 87, 87, 87, 8, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 9, + 87, 87, 37, 87, 41, 87, 87, 87, 7, 87, + 87, 87, 3, 15, 87, 87, 87, 87, 87, 87, + 87, 6, 87, 87, 45, 87, 35, 87, 30, 87, + 43, 10, 87, 87, 44, 87, 87, 87, 87, 17, + 16, 22, 38, 87, 87, 46, 14, 23, 87, 87, + 87, 29, 87, 21, 87, 87, 87, 87, 5, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 4, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + + 87, 87, 48, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 54, 53, 87, 87, + 87, 87, 87, 87, 56, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 57, 87, 49, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 87, 87, 58, + 87, 60, 87, 87, 87, 55, 61, 87, 62, 87, + 65, 87, 67, 87, 50, 51, 52, 87, 87, 87, + 87, 87, 87, 87, 87, 87, 87, 69, 87, 87, + + 87, 87, 59, 87, 66, 87, 47, 87, 87, 87, + 63, 64, 68, 0 + } ; + +static yyconst int yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 4, 1, 5, 6, 7, 1, 1, 1, 8, + 9, 10, 11, 12, 13, 7, 14, 15, 16, 17, + 18, 19, 15, 20, 15, 21, 15, 22, 23, 24, + 25, 26, 1, 1, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51, 36, + 52, 1, 53, 54, 55, 1, 56, 57, 58, 59, + + 60, 32, 61, 62, 63, 36, 64, 65, 66, 67, + 68, 69, 43, 70, 71, 72, 73, 74, 49, 50, + 75, 36, 1, 76, 1, 77, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst int yy_meta[78] = + { 0, + 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, + 1, 1, 3, 3, 4, 4, 4, 4, 4, 4, + 4, 1, 1, 1, 1, 1, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 1, 1, 1, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 1, 1 + } ; + +static yyconst short int yy_base[524] = + { 0, + 0, 3, 9, 979, 86, 163, 97, 101, 111, 124, + 115, 129, 984, 986, 986, 986, 132, 986, 986, 986, + 986, 986, 986, 986, 139, 986, 986, 986, 986, 986, + 76, 0, 135, 62, 100, 131, 152, 152, 134, 143, + 162, 152, 169, 210, 126, 189, 172, 986, 986, 986, + 150, 986, 986, 0, 978, 956, 976, 986, 986, 986, + 246, 273, 282, 302, 293, 0, 181, 185, 171, 163, + 197, 198, 260, 202, 186, 202, 283, 287, 211, 951, + 282, 284, 0, 286, 211, 285, 289, 293, 290, 294, + 300, 305, 297, 297, 314, 303, 307, 316, 317, 315, + + 0, 974, 986, 952, 972, 986, 377, 381, 971, 332, + 334, 300, 333, 330, 319, 342, 338, 346, 360, 358, + 356, 360, 359, 364, 366, 941, 367, 381, 386, 369, + 368, 387, 374, 379, 373, 375, 374, 381, 382, 383, + 381, 386, 403, 397, 407, 392, 407, 969, 986, 405, + 409, 410, 428, 416, 417, 426, 423, 424, 423, 426, + 425, 445, 425, 427, 443, 918, 433, 446, 447, 447, + 439, 446, 458, 460, 447, 469, 469, 474, 470, 0, + 475, 485, 464, 0, 476, 482, 479, 470, 0, 488, + 493, 0, 480, 492, 489, 481, 0, 496, 490, 0, + + 493, 504, 503, 507, 933, 503, 928, 523, 510, 531, + 505, 531, 0, 522, 518, 526, 525, 536, 527, 519, + 528, 531, 533, 529, 537, 543, 543, 541, 533, 546, + 559, 563, 557, 0, 0, 0, 558, 567, 925, 566, + 565, 571, 569, 576, 574, 572, 579, 576, 592, 604, + 586, 578, 585, 0, 585, 589, 595, 608, 603, 608, + 605, 611, 625, 0, 613, 620, 625, 635, 622, 936, + 629, 630, 634, 639, 0, 636, 631, 637, 637, 0, + 641, 652, 640, 644, 648, 0, 649, 660, 0, 653, + 936, 665, 653, 652, 673, 0, 667, 0, 678, 671, + + 682, 912, 678, 0, 678, 683, 689, 693, 682, 688, + 688, 692, 701, 695, 687, 694, 701, 699, 702, 0, + 698, 705, 0, 706, 0, 704, 711, 920, 0, 719, + 728, 727, 0, 0, 722, 720, 721, 933, 743, 727, + 733, 0, 734, 914, 0, 744, 0, 751, 0, 912, + 0, 0, 754, 738, 0, 912, 750, 755, 754, 0, + 0, 0, 0, 749, 919, 0, 0, 0, 910, 757, + 751, 0, 928, 0, 749, 766, 903, 754, 0, 792, + 769, 244, 768, 917, 96, 915, 924, 908, 913, 0, + 906, 910, 904, 922, 906, 901, 909, 897, 192, 917, + + 899, 897, 0, 903, 909, 895, 887, 906, 905, 904, + 883, 887, 894, 896, 884, 898, 0, 0, 873, 894, + 871, 870, 885, 868, 0, 882, 877, 893, 874, 887, + 872, 97, 875, 763, 882, 867, 873, 881, 867, 879, + 878, 877, 863, 879, 874, 873, 848, 873, 0, 861, + 845, 859, 869, 857, 854, 856, 865, 853, 863, 845, + 860, 812, 859, 857, 857, 852, 854, 853, 853, 0, + 835, 0, 861, 863, 860, 0, 823, 842, 821, 840, + 0, 839, 818, 828, 0, 0, 0, 830, 822, 822, + 830, 807, 797, 804, 785, 792, 774, 0, 494, 329, + + 319, 267, 0, 249, 0, 184, 0, 114, 112, 93, + 0, 0, 0, 986, 839, 843, 847, 4, 849, 853, + 857, 861, 865 + } ; + +static yyconst short int yy_def[524] = + { 0, + 515, 515, 514, 3, 516, 516, 515, 515, 515, 515, + 517, 517, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 514, 514, 514, + 518, 514, 514, 519, 520, 521, 522, 514, 514, 514, + 514, 514, 514, 514, 514, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + + 519, 520, 514, 521, 522, 514, 514, 514, 523, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 523, 514, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + + 518, 518, 518, 518, 518, 518, 518, 518, 518, 518, + 518, 518, 518, 0, 514, 514, 514, 514, 514, 514, + 514, 514, 514 + } ; + +static yyconst short int yy_nxt[1064] = + { 0, + 514, 15, 16, 15, 15, 16, 15, 66, 17, 14, + 15, 16, 15, 14, 14, 14, 18, 19, 20, 21, + 22, 23, 24, 25, 25, 25, 25, 25, 25, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 32, 32, 37, 32, 38, 32, 39, 40, 41, + 42, 32, 43, 44, 45, 46, 32, 47, 32, 32, + 48, 49, 50, 32, 31, 32, 33, 34, 35, 32, + 32, 37, 38, 32, 51, 40, 41, 42, 43, 44, + 45, 46, 32, 32, 52, 53, 14, 15, 16, 15, + 14, 14, 73, 14, 14, 14, 14, 14, 15, 16, + + 15, 55, 15, 16, 15, 55, 17, 14, 14, 14, + 14, 14, 15, 16, 15, 57, 59, 60, 59, 67, + 56, 73, 397, 513, 56, 15, 16, 15, 57, 17, + 59, 60, 59, 62, 61, 63, 398, 14, 14, 14, + 441, 442, 512, 74, 511, 67, 64, 64, 64, 64, + 64, 64, 64, 65, 65, 65, 65, 65, 65, 65, + 80, 14, 14, 14, 15, 16, 15, 14, 17, 74, + 14, 14, 14, 14, 14, 68, 96, 75, 81, 69, + 70, 71, 79, 82, 14, 14, 14, 14, 14, 72, + 76, 77, 85, 83, 81, 86, 78, 87, 100, 88, + + 96, 112, 68, 75, 81, 69, 70, 71, 84, 89, + 82, 79, 510, 113, 14, 14, 14, 76, 77, 85, + 81, 86, 78, 97, 110, 119, 87, 100, 88, 411, + 112, 111, 98, 99, 84, 412, 89, 113, 14, 14, + 90, 114, 115, 120, 91, 118, 92, 62, 131, 63, + 110, 97, 119, 93, 125, 94, 95, 111, 98, 99, + 64, 64, 64, 64, 64, 64, 64, 114, 115, 90, + 120, 118, 91, 92, 62, 131, 62, 509, 391, 93, + 125, 94, 95, 62, 392, 63, 116, 107, 107, 107, + 107, 107, 107, 107, 393, 508, 64, 64, 64, 64, + + 64, 64, 64, 108, 117, 108, 109, 65, 65, 65, + 65, 65, 65, 65, 127, 116, 64, 64, 64, 64, + 64, 64, 64, 121, 123, 132, 124, 140, 122, 128, + 117, 130, 129, 133, 134, 135, 136, 137, 138, 139, + 141, 142, 127, 152, 143, 144, 145, 146, 507, 147, + 121, 123, 132, 124, 122, 128, 140, 130, 150, 133, + 154, 134, 136, 137, 155, 138, 141, 139, 506, 152, + 142, 143, 144, 151, 153, 145, 146, 147, 108, 156, + 108, 109, 108, 157, 108, 109, 158, 150, 159, 154, + 155, 107, 107, 107, 107, 107, 107, 107, 160, 163, + + 151, 153, 161, 162, 164, 165, 156, 167, 174, 157, + 169, 168, 170, 158, 171, 173, 175, 159, 172, 176, + 177, 178, 179, 180, 181, 160, 163, 182, 161, 162, + 183, 164, 165, 184, 167, 187, 174, 168, 185, 169, + 171, 170, 172, 175, 173, 176, 177, 178, 186, 179, + 180, 181, 188, 182, 190, 189, 183, 191, 192, 193, + 194, 187, 184, 195, 202, 185, 196, 197, 198, 199, + 200, 201, 203, 204, 206, 186, 207, 208, 188, 189, + 190, 209, 210, 191, 211, 193, 194, 192, 212, 213, + 195, 202, 196, 197, 198, 199, 200, 214, 203, 215, + + 201, 206, 204, 216, 217, 207, 208, 218, 210, 209, + 219, 211, 220, 221, 222, 226, 223, 212, 213, 224, + 225, 214, 227, 228, 505, 229, 230, 232, 215, 231, + 233, 216, 235, 217, 218, 234, 236, 219, 222, 220, + 237, 226, 221, 223, 238, 245, 224, 225, 240, 242, + 227, 229, 228, 232, 230, 243, 231, 244, 233, 235, + 246, 234, 248, 247, 236, 249, 251, 237, 250, 253, + 252, 238, 245, 254, 240, 255, 256, 259, 242, 257, + 258, 243, 260, 262, 261, 263, 244, 264, 248, 246, + 247, 265, 249, 253, 250, 251, 252, 266, 267, 254, + + 271, 255, 256, 257, 272, 259, 258, 262, 273, 260, + 261, 268, 263, 269, 274, 275, 264, 276, 277, 278, + 265, 279, 280, 286, 266, 267, 287, 284, 271, 285, + 288, 272, 281, 282, 289, 273, 290, 268, 291, 269, + 274, 292, 275, 276, 277, 283, 278, 279, 293, 286, + 294, 280, 295, 287, 284, 285, 288, 296, 297, 298, + 289, 281, 282, 290, 299, 300, 301, 291, 292, 303, + 304, 305, 283, 306, 308, 293, 294, 307, 310, 295, + 309, 311, 312, 313, 297, 296, 298, 314, 315, 316, + 317, 299, 301, 318, 300, 320, 303, 304, 305, 321, + + 308, 306, 322, 323, 307, 310, 309, 324, 311, 313, + 325, 312, 327, 314, 326, 315, 316, 329, 330, 317, + 318, 331, 332, 333, 320, 321, 322, 334, 335, 336, + 337, 338, 323, 340, 324, 339, 344, 341, 325, 342, + 326, 327, 343, 345, 329, 330, 346, 351, 331, 347, + 332, 348, 333, 334, 349, 335, 336, 337, 352, 340, + 338, 353, 339, 341, 344, 354, 342, 356, 343, 345, + 355, 358, 359, 346, 363, 347, 351, 348, 360, 361, + 349, 364, 366, 367, 369, 370, 375, 352, 371, 353, + 376, 354, 372, 356, 355, 378, 379, 381, 359, 390, + + 358, 394, 444, 363, 360, 361, 445, 446, 395, 367, + 364, 366, 369, 504, 370, 375, 371, 376, 372, 382, + 383, 378, 503, 381, 502, 379, 384, 473, 390, 474, + 385, 475, 476, 386, 501, 387, 388, 500, 389, 14, + 14, 14, 14, 54, 54, 54, 54, 58, 58, 58, + 58, 101, 101, 102, 499, 102, 102, 104, 498, 104, + 104, 105, 497, 105, 105, 148, 148, 148, 148, 496, + 495, 494, 493, 492, 491, 490, 489, 488, 487, 486, + 485, 484, 483, 482, 481, 480, 479, 478, 477, 472, + 471, 470, 469, 468, 467, 466, 465, 464, 463, 462, + + 461, 460, 459, 458, 457, 456, 455, 454, 453, 452, + 451, 450, 449, 448, 447, 443, 440, 439, 438, 437, + 436, 435, 434, 433, 432, 431, 430, 429, 428, 427, + 426, 425, 424, 423, 422, 421, 420, 419, 418, 417, + 416, 415, 414, 413, 410, 409, 408, 407, 406, 405, + 404, 403, 402, 401, 400, 399, 396, 380, 377, 374, + 373, 368, 365, 362, 357, 350, 328, 319, 302, 270, + 241, 239, 205, 149, 166, 149, 106, 103, 103, 126, + 106, 103, 103, 514, 17, 13, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514 + } ; + +static yyconst short int yy_chk[1064] = + { 0, + 0, 1, 1, 1, 2, 2, 2, 518, 2, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, + 5, 5, 34, 5, 5, 5, 5, 5, 7, 7, + + 7, 7, 8, 8, 8, 8, 8, 5, 5, 5, + 5, 5, 9, 9, 9, 9, 11, 11, 11, 31, + 7, 34, 385, 510, 8, 10, 10, 10, 10, 10, + 12, 12, 12, 17, 12, 17, 385, 5, 5, 5, + 432, 432, 509, 35, 508, 31, 17, 17, 17, 17, + 17, 17, 17, 25, 25, 25, 25, 25, 25, 25, + 39, 5, 5, 6, 6, 6, 6, 6, 6, 35, + 6, 6, 6, 6, 6, 33, 45, 36, 39, 33, + 33, 33, 38, 40, 6, 6, 6, 6, 6, 33, + 37, 37, 42, 41, 51, 42, 37, 43, 47, 43, + + 45, 69, 33, 36, 39, 33, 33, 33, 41, 43, + 40, 38, 506, 70, 6, 6, 6, 37, 37, 42, + 51, 42, 37, 46, 67, 75, 43, 47, 43, 399, + 69, 68, 46, 46, 41, 399, 43, 70, 6, 6, + 44, 71, 72, 76, 44, 74, 44, 61, 85, 61, + 67, 46, 75, 44, 79, 44, 44, 68, 46, 46, + 61, 61, 61, 61, 61, 61, 61, 71, 72, 44, + 76, 74, 44, 44, 62, 85, 62, 504, 382, 44, + 79, 44, 44, 63, 382, 63, 73, 62, 62, 62, + 62, 62, 62, 62, 382, 502, 63, 63, 63, 63, + + 63, 63, 63, 64, 73, 64, 64, 65, 65, 65, + 65, 65, 65, 65, 81, 73, 64, 64, 64, 64, + 64, 64, 64, 77, 78, 86, 78, 93, 77, 82, + 73, 84, 82, 87, 88, 88, 89, 90, 91, 92, + 94, 95, 81, 112, 96, 97, 98, 99, 501, 100, + 77, 78, 86, 78, 77, 82, 93, 84, 110, 87, + 114, 88, 89, 90, 115, 91, 94, 92, 500, 112, + 95, 96, 97, 111, 113, 98, 99, 100, 107, 116, + 107, 107, 108, 117, 108, 108, 118, 110, 119, 114, + 115, 107, 107, 107, 107, 107, 107, 107, 120, 123, + + 111, 113, 121, 122, 124, 125, 116, 127, 133, 117, + 128, 127, 129, 118, 130, 132, 134, 119, 131, 135, + 136, 137, 138, 139, 140, 120, 123, 141, 121, 122, + 142, 124, 125, 143, 127, 146, 133, 127, 144, 128, + 130, 129, 131, 134, 132, 135, 136, 137, 145, 138, + 139, 140, 147, 141, 151, 150, 142, 152, 153, 154, + 155, 146, 143, 156, 163, 144, 157, 158, 159, 160, + 161, 162, 164, 165, 167, 145, 168, 169, 147, 150, + 151, 170, 171, 152, 172, 154, 155, 153, 173, 174, + 156, 163, 157, 158, 159, 160, 161, 175, 164, 176, + + 162, 167, 165, 177, 178, 168, 169, 179, 171, 170, + 179, 172, 181, 182, 183, 188, 185, 173, 174, 186, + 187, 175, 190, 191, 499, 193, 194, 196, 176, 195, + 198, 177, 201, 178, 179, 199, 202, 179, 183, 181, + 203, 188, 182, 185, 204, 211, 186, 187, 206, 208, + 190, 193, 191, 196, 194, 209, 195, 210, 198, 201, + 212, 199, 215, 214, 202, 216, 218, 203, 217, 220, + 219, 204, 211, 221, 206, 222, 223, 226, 208, 224, + 225, 209, 227, 229, 228, 230, 210, 231, 215, 212, + 214, 232, 216, 220, 217, 218, 219, 233, 237, 221, + + 240, 222, 223, 224, 241, 226, 225, 229, 242, 227, + 228, 238, 230, 238, 243, 244, 231, 245, 246, 247, + 232, 248, 249, 252, 233, 237, 253, 251, 240, 251, + 255, 241, 250, 250, 256, 242, 257, 238, 258, 238, + 243, 259, 244, 245, 246, 250, 247, 248, 260, 252, + 261, 249, 262, 253, 251, 251, 255, 263, 265, 266, + 256, 250, 250, 257, 267, 268, 269, 258, 259, 271, + 272, 273, 250, 274, 277, 260, 261, 276, 279, 262, + 278, 281, 282, 283, 265, 263, 266, 284, 285, 287, + 288, 267, 269, 290, 268, 292, 271, 272, 273, 293, + + 277, 274, 294, 295, 276, 279, 278, 297, 281, 283, + 299, 282, 301, 284, 300, 285, 287, 303, 305, 288, + 290, 306, 307, 308, 292, 293, 294, 309, 310, 311, + 312, 313, 295, 315, 297, 314, 319, 316, 299, 317, + 300, 301, 318, 321, 303, 305, 322, 330, 306, 324, + 307, 326, 308, 309, 327, 310, 311, 312, 331, 315, + 313, 332, 314, 316, 319, 335, 317, 337, 318, 321, + 336, 339, 340, 322, 346, 324, 330, 326, 341, 343, + 327, 348, 353, 354, 357, 358, 370, 331, 359, 332, + 371, 335, 364, 337, 336, 375, 376, 378, 340, 381, + + 339, 383, 434, 346, 341, 343, 434, 434, 383, 354, + 348, 353, 357, 497, 358, 370, 359, 371, 364, 380, + 380, 375, 496, 378, 495, 376, 380, 462, 381, 462, + 380, 462, 462, 380, 494, 380, 380, 493, 380, 515, + 515, 515, 515, 516, 516, 516, 516, 517, 517, 517, + 517, 519, 519, 520, 492, 520, 520, 521, 491, 521, + 521, 522, 490, 522, 522, 523, 523, 523, 523, 489, + 488, 484, 483, 482, 480, 479, 478, 477, 475, 474, + 473, 471, 469, 468, 467, 466, 465, 464, 463, 461, + 460, 459, 458, 457, 456, 455, 454, 453, 452, 451, + + 450, 448, 447, 446, 445, 444, 443, 442, 441, 440, + 439, 438, 437, 436, 435, 433, 431, 430, 429, 428, + 427, 426, 424, 423, 422, 421, 420, 419, 416, 415, + 414, 413, 412, 411, 410, 409, 408, 407, 406, 405, + 404, 402, 401, 400, 398, 397, 396, 395, 394, 393, + 392, 391, 389, 388, 387, 386, 384, 377, 373, 369, + 365, 356, 350, 344, 338, 328, 302, 291, 270, 239, + 207, 205, 166, 148, 126, 109, 105, 104, 102, 80, + 57, 56, 55, 13, 4, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514, 514, 514, 514, 514, 514, 514, 514, + 514, 514, 514 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +char *yytext; +#line 1 "../gnumach/mig/lexxer.l" +#define INITIAL 0 +#line 15 "../gnumach/mig/lexxer.l" +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <string.h> + +#include "mig_string.h" +#include "type.h" +#include "statement.h" +#include "global.h" +#include "parser.h" +#include "lexxer.h" +#include "cpu.h" + +#define stringize(x) #x + +#ifdef LDEBUG +#define RETURN(sym) \ +{ \ + printf("yylex: returning '%s' (%d)\n", #sym, (sym)); \ + return (sym); \ +} +#else LDEBUG +#define RETURN(sym) return (sym) +#endif LDEBUG + +#define TPRETURN(intype, outtype, tsize) \ +{ \ + yylval.symtype.innumber = (intype); \ + yylval.symtype.instr = stringize(intype); \ + yylval.symtype.outnumber = (outtype); \ + yylval.symtype.outstr = stringize(outtype); \ + yylval.symtype.size = (tsize); \ + RETURN(sySymbolicType); \ +} + +#define TRETURN(type, tsize) TPRETURN(type,type,tsize) + +#define FRETURN(val) \ +{ \ + yylval.flag = (val); \ + RETURN(syIPCFlag); \ +} + +extern YYSTYPE yylval; /* added by rm */ + +int lineno; +char *inname; + +#ifdef YY_START +static int oldYYBegin; +#define SAVE_BEGIN oldYYBegin = YY_START +#define RSTR_BEGIN BEGIN oldYYBegin +#else +static struct yysvf *oldYYBegin; +#define SAVE_BEGIN oldYYBegin = yybgin +#define RSTR_BEGIN yybgin = oldYYBegin; +#endif + +static void doSharp(const char *body); /* process body of # directives */ +#define Normal 1 +#define String 2 +#define FileName 3 +#define QString 4 +#define SkipToEOL 5 + +#line 859 "lex.yy.c" + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap YY_PROTO(( void )); +#else +extern int yywrap YY_PROTO(( void )); +#endif +#endif + +#ifndef YY_NO_UNPUT +static void yyunput YY_PROTO(( int c, char *buf_ptr )); +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus +static int yyinput YY_PROTO(( void )); +#else +static int input YY_PROTO(( void )); +#endif +#endif + +#if YY_STACK_USED +static int yy_start_stack_ptr = 0; +static int yy_start_stack_depth = 0; +static int *yy_start_stack = 0; +#ifndef YY_NO_PUSH_STATE +static void yy_push_state YY_PROTO(( int new_state )); +#endif +#ifndef YY_NO_POP_STATE +static void yy_pop_state YY_PROTO(( void )); +#endif +#ifndef YY_NO_TOP_STATE +static int yy_top_state YY_PROTO(( void )); +#endif + +#else +#define YY_NO_PUSH_STATE 1 +#define YY_NO_POP_STATE 1 +#define YY_NO_TOP_STATE 1 +#endif + +#ifdef YY_MALLOC_DECL +YY_MALLOC_DECL +#else +#if __STDC__ +#ifndef __cplusplus +#include <stdlib.h> +#endif +#else +/* Just try to get by without declaring the routines. This will fail + * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) + * or sizeof(void*) != sizeof(int). + */ +#endif +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ + +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( yy_current_buffer->yy_is_interactive ) \ + { \ + int c = '*', n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \ + && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL int yylex YY_PROTO(( void )) +#endif + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + if ( yyleng > 0 ) \ + yy_current_buffer->yy_at_bol = \ + (yytext[yyleng - 1] == '\n'); \ + YY_USER_ACTION + +YY_DECL + { + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 101 "../gnumach/mig/lexxer.l" + + +#line 1012 "lex.yy.c" + + if ( yy_init ) + { + yy_init = 0; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! yy_start ) + yy_start = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! yy_current_buffer ) + yy_current_buffer = + yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_load_buffer_state(); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = yy_c_buf_p; + + /* Support of yytext. */ + *yy_cp = yy_hold_char; + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = yy_start; + yy_current_state += YY_AT_BOL(); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 515 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 986 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = yy_last_accepting_cpos; + yy_current_state = yy_last_accepting_state; + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + + +do_action: /* This label is used only to access EOF actions. */ + + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = yy_hold_char; + yy_cp = yy_last_accepting_cpos; + yy_current_state = yy_last_accepting_state; + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 103 "../gnumach/mig/lexxer.l" +RETURN(syRoutine); + YY_BREAK +case 2: +YY_RULE_SETUP +#line 104 "../gnumach/mig/lexxer.l" +RETURN(syFunction); + YY_BREAK +case 3: +YY_RULE_SETUP +#line 105 "../gnumach/mig/lexxer.l" +RETURN(syProcedure); + YY_BREAK +case 4: +YY_RULE_SETUP +#line 106 "../gnumach/mig/lexxer.l" +RETURN(sySimpleProcedure); + YY_BREAK +case 5: +YY_RULE_SETUP +#line 107 "../gnumach/mig/lexxer.l" +RETURN(sySimpleRoutine); + YY_BREAK +case 6: +YY_RULE_SETUP +#line 108 "../gnumach/mig/lexxer.l" +RETURN(sySubsystem); + YY_BREAK +case 7: +YY_RULE_SETUP +#line 109 "../gnumach/mig/lexxer.l" +RETURN(syMsgOption); + YY_BREAK +case 8: +YY_RULE_SETUP +#line 110 "../gnumach/mig/lexxer.l" +RETURN(syMsgSeqno); + YY_BREAK +case 9: +YY_RULE_SETUP +#line 111 "../gnumach/mig/lexxer.l" +RETURN(syWaitTime); + YY_BREAK +case 10: +YY_RULE_SETUP +#line 112 "../gnumach/mig/lexxer.l" +RETURN(syNoWaitTime); + YY_BREAK +case 11: +YY_RULE_SETUP +#line 113 "../gnumach/mig/lexxer.l" +RETURN(syIn); + YY_BREAK +case 12: +YY_RULE_SETUP +#line 114 "../gnumach/mig/lexxer.l" +RETURN(syOut); + YY_BREAK +case 13: +YY_RULE_SETUP +#line 115 "../gnumach/mig/lexxer.l" +RETURN(syInOut); + YY_BREAK +case 14: +YY_RULE_SETUP +#line 116 "../gnumach/mig/lexxer.l" +RETURN(syRequestPort); + YY_BREAK +case 15: +YY_RULE_SETUP +#line 117 "../gnumach/mig/lexxer.l" +RETURN(syReplyPort); + YY_BREAK +case 16: +YY_RULE_SETUP +#line 118 "../gnumach/mig/lexxer.l" +RETURN(syUReplyPort); + YY_BREAK +case 17: +YY_RULE_SETUP +#line 119 "../gnumach/mig/lexxer.l" +RETURN(sySReplyPort); + YY_BREAK +case 18: +YY_RULE_SETUP +#line 120 "../gnumach/mig/lexxer.l" +RETURN(syArray); + YY_BREAK +case 19: +YY_RULE_SETUP +#line 121 "../gnumach/mig/lexxer.l" +RETURN(syOf); + YY_BREAK +case 20: +YY_RULE_SETUP +#line 122 "../gnumach/mig/lexxer.l" +RETURN(syErrorProc); + YY_BREAK +case 21: +YY_RULE_SETUP +#line 123 "../gnumach/mig/lexxer.l" +RETURN(syServerPrefix); + YY_BREAK +case 22: +YY_RULE_SETUP +#line 124 "../gnumach/mig/lexxer.l" +RETURN(syUserPrefix); + YY_BREAK +case 23: +YY_RULE_SETUP +#line 125 "../gnumach/mig/lexxer.l" +RETURN(syServerDemux); + YY_BREAK +case 24: +YY_RULE_SETUP +#line 126 "../gnumach/mig/lexxer.l" +RETURN(syRCSId); + YY_BREAK +case 25: +YY_RULE_SETUP +#line 127 "../gnumach/mig/lexxer.l" +RETURN(syImport); + YY_BREAK +case 26: +YY_RULE_SETUP +#line 128 "../gnumach/mig/lexxer.l" +RETURN(syUImport); + YY_BREAK +case 27: +YY_RULE_SETUP +#line 129 "../gnumach/mig/lexxer.l" +RETURN(sySImport); + YY_BREAK +case 28: +YY_RULE_SETUP +#line 130 "../gnumach/mig/lexxer.l" +RETURN(syType); + YY_BREAK +case 29: +YY_RULE_SETUP +#line 131 "../gnumach/mig/lexxer.l" +RETURN(syKernelServer); + YY_BREAK +case 30: +YY_RULE_SETUP +#line 132 "../gnumach/mig/lexxer.l" +RETURN(syKernelUser); + YY_BREAK +case 31: +YY_RULE_SETUP +#line 133 "../gnumach/mig/lexxer.l" +RETURN(sySkip); + YY_BREAK +case 32: +YY_RULE_SETUP +#line 134 "../gnumach/mig/lexxer.l" +RETURN(syStruct); + YY_BREAK +case 33: +YY_RULE_SETUP +#line 135 "../gnumach/mig/lexxer.l" +RETURN(syInTran); + YY_BREAK +case 34: +YY_RULE_SETUP +#line 136 "../gnumach/mig/lexxer.l" +RETURN(syOutTran); + YY_BREAK +case 35: +YY_RULE_SETUP +#line 137 "../gnumach/mig/lexxer.l" +RETURN(syDestructor); + YY_BREAK +case 36: +YY_RULE_SETUP +#line 138 "../gnumach/mig/lexxer.l" +RETURN(syCType); + YY_BREAK +case 37: +YY_RULE_SETUP +#line 139 "../gnumach/mig/lexxer.l" +RETURN(syCUserType); + YY_BREAK +case 38: +YY_RULE_SETUP +#line 140 "../gnumach/mig/lexxer.l" +RETURN(syCServerType); + YY_BREAK +case 39: +YY_RULE_SETUP +#line 141 "../gnumach/mig/lexxer.l" +RETURN(syCString); + YY_BREAK +case 40: +YY_RULE_SETUP +#line 143 "../gnumach/mig/lexxer.l" +FRETURN(flLong); + YY_BREAK +case 41: +YY_RULE_SETUP +#line 144 "../gnumach/mig/lexxer.l" +FRETURN(flNotLong); + YY_BREAK +case 42: +YY_RULE_SETUP +#line 145 "../gnumach/mig/lexxer.l" +FRETURN(flDealloc); + YY_BREAK +case 43: +YY_RULE_SETUP +#line 146 "../gnumach/mig/lexxer.l" +FRETURN(flNotDealloc); + YY_BREAK +case 44: +YY_RULE_SETUP +#line 147 "../gnumach/mig/lexxer.l" +FRETURN(flServerCopy); + YY_BREAK +case 45: +YY_RULE_SETUP +#line 148 "../gnumach/mig/lexxer.l" +FRETURN(flCountInOut); + YY_BREAK +case 46: +YY_RULE_SETUP +#line 150 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_POLYMORPHIC,word_size_in_bits); + YY_BREAK +case 47: +YY_RULE_SETUP +#line 152 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_UNSTRUCTURED,0); + YY_BREAK +case 48: +YY_RULE_SETUP +#line 153 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_BIT,1); + YY_BREAK +case 49: +YY_RULE_SETUP +#line 154 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_BOOLEAN,32); + YY_BREAK +case 50: +YY_RULE_SETUP +#line 155 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_INTEGER_16,16); + YY_BREAK +case 51: +YY_RULE_SETUP +#line 156 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_INTEGER_32,32); + YY_BREAK +case 52: +YY_RULE_SETUP +#line 157 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_INTEGER_64,64); + YY_BREAK +case 53: +YY_RULE_SETUP +#line 158 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_CHAR,8); + YY_BREAK +case 54: +YY_RULE_SETUP +#line 159 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_BYTE,8); + YY_BREAK +case 55: +YY_RULE_SETUP +#line 160 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_INTEGER_8,8); + YY_BREAK +case 56: +YY_RULE_SETUP +#line 161 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_REAL,0); + YY_BREAK +case 57: +YY_RULE_SETUP +#line 162 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_STRING,0); + YY_BREAK +case 58: +YY_RULE_SETUP +#line 163 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_STRING_C,0); + YY_BREAK +case 59: +YY_RULE_SETUP +#line 165 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_MOVE_RECEIVE,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits); + YY_BREAK +case 60: +YY_RULE_SETUP +#line 166 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_COPY_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); + YY_BREAK +case 61: +YY_RULE_SETUP +#line 167 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_MAKE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); + YY_BREAK +case 62: +YY_RULE_SETUP +#line 168 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_MOVE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); + YY_BREAK +case 63: +YY_RULE_SETUP +#line 169 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_MAKE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); + YY_BREAK +case 64: +YY_RULE_SETUP +#line 170 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_MOVE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); + YY_BREAK +case 65: +YY_RULE_SETUP +#line 172 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_PORT_NAME,word_size_in_bits); + YY_BREAK +case 66: +YY_RULE_SETUP +#line 173 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits); + YY_BREAK +case 67: +YY_RULE_SETUP +#line 174 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); + YY_BREAK +case 68: +YY_RULE_SETUP +#line 175 "../gnumach/mig/lexxer.l" +TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); + YY_BREAK +case 69: +YY_RULE_SETUP +#line 176 "../gnumach/mig/lexxer.l" +TRETURN(MACH_MSG_TYPE_POLYMORPHIC,0); + YY_BREAK +case 70: +YY_RULE_SETUP +#line 178 "../gnumach/mig/lexxer.l" +RETURN(syColon); + YY_BREAK +case 71: +YY_RULE_SETUP +#line 179 "../gnumach/mig/lexxer.l" +RETURN(sySemi); + YY_BREAK +case 72: +YY_RULE_SETUP +#line 180 "../gnumach/mig/lexxer.l" +RETURN(syComma); + YY_BREAK +case 73: +YY_RULE_SETUP +#line 181 "../gnumach/mig/lexxer.l" +RETURN(syPlus); + YY_BREAK +case 74: +YY_RULE_SETUP +#line 182 "../gnumach/mig/lexxer.l" +RETURN(syMinus); + YY_BREAK +case 75: +YY_RULE_SETUP +#line 183 "../gnumach/mig/lexxer.l" +RETURN(syStar); + YY_BREAK +case 76: +YY_RULE_SETUP +#line 184 "../gnumach/mig/lexxer.l" +RETURN(syDiv); + YY_BREAK +case 77: +YY_RULE_SETUP +#line 185 "../gnumach/mig/lexxer.l" +RETURN(syLParen); + YY_BREAK +case 78: +YY_RULE_SETUP +#line 186 "../gnumach/mig/lexxer.l" +RETURN(syRParen); + YY_BREAK +case 79: +YY_RULE_SETUP +#line 187 "../gnumach/mig/lexxer.l" +RETURN(syEqual); + YY_BREAK +case 80: +YY_RULE_SETUP +#line 188 "../gnumach/mig/lexxer.l" +RETURN(syCaret); + YY_BREAK +case 81: +YY_RULE_SETUP +#line 189 "../gnumach/mig/lexxer.l" +RETURN(syTilde); + YY_BREAK +case 82: +YY_RULE_SETUP +#line 190 "../gnumach/mig/lexxer.l" +RETURN(syLAngle); + YY_BREAK +case 83: +YY_RULE_SETUP +#line 191 "../gnumach/mig/lexxer.l" +RETURN(syRAngle); + YY_BREAK +case 84: +YY_RULE_SETUP +#line 192 "../gnumach/mig/lexxer.l" +RETURN(syLBrack); + YY_BREAK +case 85: +YY_RULE_SETUP +#line 193 "../gnumach/mig/lexxer.l" +RETURN(syRBrack); + YY_BREAK +case 86: +YY_RULE_SETUP +#line 194 "../gnumach/mig/lexxer.l" +RETURN(syBar); + YY_BREAK +case 87: +YY_RULE_SETUP +#line 196 "../gnumach/mig/lexxer.l" +{ yylval.identifier = strmake(yytext); + RETURN(syIdentifier); } + YY_BREAK +case 88: +YY_RULE_SETUP +#line 198 "../gnumach/mig/lexxer.l" +{ yylval.number = atoi(yytext); RETURN(syNumber); } + YY_BREAK +case 89: +YY_RULE_SETUP +#line 200 "../gnumach/mig/lexxer.l" +{ yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syString); } + YY_BREAK +case 90: +YY_RULE_SETUP +#line 202 "../gnumach/mig/lexxer.l" +{ yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syFileName); } + YY_BREAK +case 91: +YY_RULE_SETUP +#line 204 "../gnumach/mig/lexxer.l" +{ yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syQString); } + YY_BREAK +case 92: +YY_RULE_SETUP +#line 207 "../gnumach/mig/lexxer.l" +{ doSharp(yytext+1); + SAVE_BEGIN; + BEGIN SkipToEOL; } + YY_BREAK +case 93: +YY_RULE_SETUP +#line 210 "../gnumach/mig/lexxer.l" +{ doSharp(yytext+1); + SAVE_BEGIN; + BEGIN SkipToEOL; } + YY_BREAK +case 94: +YY_RULE_SETUP +#line 213 "../gnumach/mig/lexxer.l" +{ yyerror("illegal # directive"); + SAVE_BEGIN; + BEGIN SkipToEOL; } + YY_BREAK +case 95: +YY_RULE_SETUP +#line 217 "../gnumach/mig/lexxer.l" +RSTR_BEGIN; + YY_BREAK +case 96: +YY_RULE_SETUP +#line 218 "../gnumach/mig/lexxer.l" +; + YY_BREAK +case 97: +YY_RULE_SETUP +#line 220 "../gnumach/mig/lexxer.l" +; + YY_BREAK +case 98: +YY_RULE_SETUP +#line 221 "../gnumach/mig/lexxer.l" +{ lineno++; } + YY_BREAK +case 99: +YY_RULE_SETUP +#line 222 "../gnumach/mig/lexxer.l" +{ BEGIN Normal; RETURN(syError); } + YY_BREAK +case 100: +YY_RULE_SETUP +#line 224 "../gnumach/mig/lexxer.l" +ECHO; + YY_BREAK +#line 1606 "lex.yy.c" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(Normal): +case YY_STATE_EOF(String): +case YY_STATE_EOF(FileName): +case YY_STATE_EOF(QString): +case YY_STATE_EOF(SkipToEOL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = yy_hold_char; + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between yy_current_buffer and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + yy_n_chars = yy_current_buffer->yy_n_chars; + yy_current_buffer->yy_input_file = yyin; + yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = yytext_ptr + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++yy_c_buf_p; + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = yy_c_buf_p; + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + yy_did_buffer_switch_on_eof = 0; + + if ( yywrap() ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = + yytext_ptr + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + yy_c_buf_p = + &yy_current_buffer->yy_ch_buf[yy_n_chars]; + + yy_current_state = yy_get_previous_state(); + + yy_cp = yy_c_buf_p; + yy_bp = yytext_ptr + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of yylex */ + + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ + +static int yy_get_next_buffer() + { + register char *dest = yy_current_buffer->yy_ch_buf; + register char *source = yytext_ptr; + register int number_to_move, i; + int ret_val; + + if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( yy_current_buffer->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 ) + { + /* We matched a singled characater, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + yy_n_chars = 0; + + else + { + int num_to_read = + yy_current_buffer->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ +#ifdef YY_USES_REJECT + YY_FATAL_ERROR( +"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); +#else + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = yy_current_buffer; + + int yy_c_buf_p_offset = + (int) (yy_c_buf_p - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yy_flex_realloc( (void *) b->yy_ch_buf, + b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = yy_current_buffer->yy_buf_size - + number_to_move - 1; +#endif + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), + yy_n_chars, num_to_read ); + } + + if ( yy_n_chars == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + yy_current_buffer->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + yy_n_chars += number_to_move; + yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; + yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; + + yytext_ptr = &yy_current_buffer->yy_ch_buf[0]; + + return ret_val; + } + + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + +static yy_state_type yy_get_previous_state() + { + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = yy_start; + yy_current_state += YY_AT_BOL(); + + for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 515 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; + } + + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + +#ifdef YY_USE_PROTOS +static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) +#else +static yy_state_type yy_try_NUL_trans( yy_current_state ) +yy_state_type yy_current_state; +#endif + { + register int yy_is_jam; + register char *yy_cp = yy_c_buf_p; + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + yy_last_accepting_state = yy_current_state; + yy_last_accepting_cpos = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 515 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 514); + + return yy_is_jam ? 0 : yy_current_state; + } + + +#ifndef YY_NO_UNPUT +#ifdef YY_USE_PROTOS +static void yyunput( int c, register char *yy_bp ) +#else +static void yyunput( c, yy_bp ) +int c; +register char *yy_bp; +#endif + { + register char *yy_cp = yy_c_buf_p; + + /* undo effects of setting up yytext */ + *yy_cp = yy_hold_char; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = yy_n_chars + 2; + register char *dest = &yy_current_buffer->yy_ch_buf[ + yy_current_buffer->yy_buf_size + 2]; + register char *source = + &yy_current_buffer->yy_ch_buf[number_to_move]; + + while ( source > yy_current_buffer->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + yy_n_chars = yy_current_buffer->yy_buf_size; + + if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + + yytext_ptr = yy_bp; + yy_hold_char = *yy_cp; + yy_c_buf_p = yy_cp; + } +#endif /* ifndef YY_NO_UNPUT */ + + +#ifdef __cplusplus +static int yyinput() +#else +static int input() +#endif + { + int c; + + *yy_c_buf_p = yy_hold_char; + + if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) + /* This was really a NUL. */ + *yy_c_buf_p = '\0'; + + else + { /* need more input */ + yytext_ptr = yy_c_buf_p; + ++yy_c_buf_p; + + switch ( yy_get_next_buffer() ) + { + case EOB_ACT_END_OF_FILE: + { + if ( yywrap() ) + { + yy_c_buf_p = + yytext_ptr + YY_MORE_ADJ; + return EOF; + } + + if ( ! yy_did_buffer_switch_on_eof ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; + break; + + case EOB_ACT_LAST_MATCH: +#ifdef __cplusplus + YY_FATAL_ERROR( + "unexpected last match in yyinput()" ); +#else + YY_FATAL_ERROR( + "unexpected last match in input()" ); +#endif + } + } + } + + c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */ + *yy_c_buf_p = '\0'; /* preserve yytext */ + yy_hold_char = *++yy_c_buf_p; + + yy_current_buffer->yy_at_bol = (c == '\n'); + + return c; + } + + +#ifdef YY_USE_PROTOS +void yyrestart( FILE *input_file ) +#else +void yyrestart( input_file ) +FILE *input_file; +#endif + { + if ( ! yy_current_buffer ) + yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); + + yy_init_buffer( yy_current_buffer, input_file ); + yy_load_buffer_state(); + } + + +#ifdef YY_USE_PROTOS +void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) +#else +void yy_switch_to_buffer( new_buffer ) +YY_BUFFER_STATE new_buffer; +#endif + { + if ( yy_current_buffer == new_buffer ) + return; + + if ( yy_current_buffer ) + { + /* Flush out information for old buffer. */ + *yy_c_buf_p = yy_hold_char; + yy_current_buffer->yy_buf_pos = yy_c_buf_p; + yy_current_buffer->yy_n_chars = yy_n_chars; + } + + yy_current_buffer = new_buffer; + yy_load_buffer_state(); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yy_did_buffer_switch_on_eof = 1; + } + + +#ifdef YY_USE_PROTOS +void yy_load_buffer_state( void ) +#else +void yy_load_buffer_state() +#endif + { + yy_n_chars = yy_current_buffer->yy_n_chars; + yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; + yyin = yy_current_buffer->yy_input_file; + yy_hold_char = *yy_c_buf_p; + } + + +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) +#else +YY_BUFFER_STATE yy_create_buffer( file, size ) +FILE *file; +int size; +#endif + { + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; + } + + +#ifdef YY_USE_PROTOS +void yy_delete_buffer( YY_BUFFER_STATE b ) +#else +void yy_delete_buffer( b ) +YY_BUFFER_STATE b; +#endif + { + if ( ! b ) + return; + + if ( b == yy_current_buffer ) + yy_current_buffer = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yy_flex_free( (void *) b->yy_ch_buf ); + + yy_flex_free( (void *) b ); + } + + +#ifndef YY_ALWAYS_INTERACTIVE +#ifndef YY_NEVER_INTERACTIVE +extern int isatty YY_PROTO(( int )); +#endif +#endif + +#ifdef YY_USE_PROTOS +void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) +#else +void yy_init_buffer( b, file ) +YY_BUFFER_STATE b; +FILE *file; +#endif + + + { + yy_flush_buffer( b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + +#if YY_ALWAYS_INTERACTIVE + b->yy_is_interactive = 1; +#else +#if YY_NEVER_INTERACTIVE + b->yy_is_interactive = 0; +#else + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; +#endif +#endif + } + + +#ifdef YY_USE_PROTOS +void yy_flush_buffer( YY_BUFFER_STATE b ) +#else +void yy_flush_buffer( b ) +YY_BUFFER_STATE b; +#endif + + { + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == yy_current_buffer ) + yy_load_buffer_state(); + } + + +#ifndef YY_NO_SCAN_BUFFER +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size ) +#else +YY_BUFFER_STATE yy_scan_buffer( base, size ) +char *base; +yy_size_t size; +#endif + { + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer( b ); + + return b; + } +#endif + + +#ifndef YY_NO_SCAN_STRING +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_string( yyconst char *str ) +#else +YY_BUFFER_STATE yy_scan_string( str ) +yyconst char *str; +#endif + { + int len; + for ( len = 0; str[len]; ++len ) + ; + + return yy_scan_bytes( str, len ); + } +#endif + + +#ifndef YY_NO_SCAN_BYTES +#ifdef YY_USE_PROTOS +YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len ) +#else +YY_BUFFER_STATE yy_scan_bytes( bytes, len ) +yyconst char *bytes; +int len; +#endif + { + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = len + 2; + buf = (char *) yy_flex_alloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < len; ++i ) + buf[i] = bytes[i]; + + buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; + } +#endif + + +#ifndef YY_NO_PUSH_STATE +#ifdef YY_USE_PROTOS +static void yy_push_state( int new_state ) +#else +static void yy_push_state( new_state ) +int new_state; +#endif + { + if ( yy_start_stack_ptr >= yy_start_stack_depth ) + { + yy_size_t new_size; + + yy_start_stack_depth += YY_START_STACK_INCR; + new_size = yy_start_stack_depth * sizeof( int ); + + if ( ! yy_start_stack ) + yy_start_stack = (int *) yy_flex_alloc( new_size ); + + else + yy_start_stack = (int *) yy_flex_realloc( + (void *) yy_start_stack, new_size ); + + if ( ! yy_start_stack ) + YY_FATAL_ERROR( + "out of memory expanding start-condition stack" ); + } + + yy_start_stack[yy_start_stack_ptr++] = YY_START; + + BEGIN(new_state); + } +#endif + + +#ifndef YY_NO_POP_STATE +static void yy_pop_state() + { + if ( --yy_start_stack_ptr < 0 ) + YY_FATAL_ERROR( "start-condition stack underflow" ); + + BEGIN(yy_start_stack[yy_start_stack_ptr]); + } +#endif + + +#ifndef YY_NO_TOP_STATE +static int yy_top_state() + { + return yy_start_stack[yy_start_stack_ptr - 1]; + } +#endif + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +#ifdef YY_USE_PROTOS +static void yy_fatal_error( yyconst char msg[] ) +#else +static void yy_fatal_error( msg ) +char msg[]; +#endif + { + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); + } + + + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + yytext[yyleng] = yy_hold_char; \ + yy_c_buf_p = yytext + n - YY_MORE_ADJ; \ + yy_hold_char = *yy_c_buf_p; \ + *yy_c_buf_p = '\0'; \ + yyleng = n; \ + } \ + while ( 0 ) + + +/* Internal utility routines. */ + +#ifndef yytext_ptr +#ifdef YY_USE_PROTOS +static void yy_flex_strncpy( char *s1, yyconst char *s2, int n ) +#else +static void yy_flex_strncpy( s1, s2, n ) +char *s1; +yyconst char *s2; +int n; +#endif + { + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; + } +#endif + + +#ifdef YY_USE_PROTOS +static void *yy_flex_alloc( yy_size_t size ) +#else +static void *yy_flex_alloc( size ) +yy_size_t size; +#endif + { + return (void *) malloc( size ); + } + +#ifdef YY_USE_PROTOS +static void *yy_flex_realloc( void *ptr, yy_size_t size ) +#else +static void *yy_flex_realloc( ptr, size ) +void *ptr; +yy_size_t size; +#endif + { + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); + } + +#ifdef YY_USE_PROTOS +static void yy_flex_free( void *ptr ) +#else +static void yy_flex_free( ptr ) +void *ptr; +#endif + { + free( ptr ); + } + +#if YY_MAIN +int main() + { + yylex(); + return 0; + } +#endif +#line 224 "../gnumach/mig/lexxer.l" + + +extern void +LookNormal(void) +{ + if (inname == 0) + { + inname = strmake("(unknown)"); + lineno = 0; + } + + BEGIN Normal; +} + +extern void +LookString(void) +{ + BEGIN String; +} + +extern void +LookQString(void) +{ + BEGIN QString; +} + +extern void +LookFileName(void) +{ + BEGIN FileName; +} + +static void +doSharp(const char *body) +{ + register const char *startName; + + lineno = atoi(body); + startName = strchr(body, '"'); + if (startName != NULL) + { + *strrchr(body, '"') = '\0'; + strfree(inname); + inname = strmake(startName+1); + } +} diff --git a/mig/lexxer.h b/mig/lexxer.h new file mode 100644 index 0000000..822df89 --- /dev/null +++ b/mig/lexxer.h @@ -0,0 +1,33 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +extern int lineno; +extern char *inname; + +extern void LookFileName(void); +extern void LookString(void); +extern void LookQString(void); +extern void LookNormal(void); diff --git a/mig/lexxer.l b/mig/lexxer.l new file mode 100644 index 0000000..179e770 --- /dev/null +++ b/mig/lexxer.l @@ -0,0 +1,269 @@ +%k 10000 +%n 5000 +%a 20000 +%e 10000 +%p 25000 + +Ident ([A-Za-z_][A-Za-z_0-9]*) +Number ([0-9]+) +String ([-/._$A-Za-z0-9]+) +QString (\"[^"\n]*\") +AString (\<[^>\n]*\>) +FileName ({QString}|{AString}) + +%{ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <string.h> + +#include "mig_string.h" +#include "type.h" +#include "statement.h" +#include "global.h" +#include "parser.h" +#include "lexxer.h" +#include "cpu.h" + +#define stringize(x) #x + +#ifdef LDEBUG +#define RETURN(sym) \ +{ \ + printf("yylex: returning '%s' (%d)\n", #sym, (sym)); \ + return (sym); \ +} +#else LDEBUG +#define RETURN(sym) return (sym) +#endif LDEBUG + +#define TPRETURN(intype, outtype, tsize) \ +{ \ + yylval.symtype.innumber = (intype); \ + yylval.symtype.instr = stringize(intype); \ + yylval.symtype.outnumber = (outtype); \ + yylval.symtype.outstr = stringize(outtype); \ + yylval.symtype.size = (tsize); \ + RETURN(sySymbolicType); \ +} + +#define TRETURN(type, tsize) TPRETURN(type,type,tsize) + +#define FRETURN(val) \ +{ \ + yylval.flag = (val); \ + RETURN(syIPCFlag); \ +} + +extern YYSTYPE yylval; /* added by rm */ + +int lineno; +char *inname; + +#ifdef YY_START +static int oldYYBegin; +#define SAVE_BEGIN oldYYBegin = YY_START +#define RSTR_BEGIN BEGIN oldYYBegin +#else +static struct yysvf *oldYYBegin; +#define SAVE_BEGIN oldYYBegin = yybgin +#define RSTR_BEGIN yybgin = oldYYBegin; +#endif + +static void doSharp(const char *body); /* process body of # directives */ +%} + +%Start Normal String FileName QString SkipToEOL + +%% + +<Normal>[Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(syRoutine); +<Normal>[Ff][Uu][Nn][Cc][Tt][Ii][Oo][Nn] RETURN(syFunction); +<Normal>[Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(syProcedure); +<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(sySimpleProcedure); +<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(sySimpleRoutine); +<Normal>[Ss][Uu][Bb][Ss][Yy][Ss][Tt][Ee][Mm] RETURN(sySubsystem); +<Normal>[Mm][Ss][Gg][Oo][Pp][Tt][Ii][Oo][Nn] RETURN(syMsgOption); +<Normal>[Mm][Ss][Gg][Ss][Ee][Qq][Nn][Oo] RETURN(syMsgSeqno); +<Normal>[Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syWaitTime); +<Normal>[Nn][Oo][Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syNoWaitTime); +<Normal>[Ii][Nn] RETURN(syIn); +<Normal>[Oo][Uu][Tt] RETURN(syOut); +<Normal>[Ii][Nn][Oo][Uu][Tt] RETURN(syInOut); +<Normal>[Rr][Ee][Qq][Uu][Ee][Ss][Tt][Pp][Oo][Rr][Tt] RETURN(syRequestPort); +<Normal>[Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syReplyPort); +<Normal>[Uu][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syUReplyPort); +<Normal>[Ss][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(sySReplyPort); +<Normal>[Aa][Rr][Rr][Aa][Yy] RETURN(syArray); +<Normal>[Oo][Ff] RETURN(syOf); +<Normal>[Ee][Rr][Rr][Oo][Rr] RETURN(syErrorProc); +<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syServerPrefix); +<Normal>[Uu][Ss][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syUserPrefix); +<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Dd][Ee][Mm][Uu][Xx] RETURN(syServerDemux); +<Normal>[Rr][Cc][Ss][Ii][Dd] RETURN(syRCSId); +<Normal>[Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syImport); +<Normal>[Uu][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syUImport); +<Normal>[Ss][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(sySImport); +<Normal>[Tt][Yy][Pp][Ee] RETURN(syType); +<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Ss][Ee][Rr][Vv][Ee][Rr] RETURN(syKernelServer); +<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Uu][Ss][Ee][Rr] RETURN(syKernelUser); +<Normal>[Ss][Kk][Ii][Pp] RETURN(sySkip); +<Normal>[Ss][Tt][Rr][Uu][Cc][Tt] RETURN(syStruct); +<Normal>[Ii][Nn][Tt][Rr][Aa][Nn] RETURN(syInTran); +<Normal>[Oo][Uu][Tt][Tt][Rr][Aa][Nn] RETURN(syOutTran); +<Normal>[Dd][Ee][Ss][Tt][Rr][Uu][Cc][Tt][Oo][Rr] RETURN(syDestructor); +<Normal>[Cc][Tt][Yy][Pp][Ee] RETURN(syCType); +<Normal>[Cc][Uu][Ss][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCUserType); +<Normal>[Cc][Ss][Ee][Rr][Vv][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCServerType); +<Normal>[Cc]_[Ss][Tt][Rr][Ii][Nn][Gg] RETURN(syCString); + +<Normal>[Ii][Ss][Ll][Oo][Nn][Gg] FRETURN(flLong); +<Normal>[Ii][Ss][Nn][Oo][Tt][Ll][Oo][Nn][Gg] FRETURN(flNotLong); +<Normal>[Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flDealloc); +<Normal>[Nn][Oo][Tt][Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flNotDealloc); +<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Cc][Oo][Pp][Yy] FRETURN(flServerCopy); +<Normal>[Cc][Oo][Uu][Nn][Tt][Ii][Nn][Oo][Uu][Tt] FRETURN(flCountInOut); + +<Normal>[Pp][Oo][Ll][Yy][Mm][Oo][Rr][Pp][Hh][Ii][Cc] TRETURN(MACH_MSG_TYPE_POLYMORPHIC,word_size_in_bits); + +<Normal>"MACH_MSG_TYPE_UNSTRUCTURED" TRETURN(MACH_MSG_TYPE_UNSTRUCTURED,0); +<Normal>"MACH_MSG_TYPE_BIT" TRETURN(MACH_MSG_TYPE_BIT,1); +<Normal>"MACH_MSG_TYPE_BOOLEAN" TRETURN(MACH_MSG_TYPE_BOOLEAN,32); +<Normal>"MACH_MSG_TYPE_INTEGER_16" TRETURN(MACH_MSG_TYPE_INTEGER_16,16); +<Normal>"MACH_MSG_TYPE_INTEGER_32" TRETURN(MACH_MSG_TYPE_INTEGER_32,32); +<Normal>"MACH_MSG_TYPE_INTEGER_64" TRETURN(MACH_MSG_TYPE_INTEGER_64,64); +<Normal>"MACH_MSG_TYPE_CHAR" TRETURN(MACH_MSG_TYPE_CHAR,8); +<Normal>"MACH_MSG_TYPE_BYTE" TRETURN(MACH_MSG_TYPE_BYTE,8); +<Normal>"MACH_MSG_TYPE_INTEGER_8" TRETURN(MACH_MSG_TYPE_INTEGER_8,8); +<Normal>"MACH_MSG_TYPE_REAL" TRETURN(MACH_MSG_TYPE_REAL,0); +<Normal>"MACH_MSG_TYPE_STRING" TRETURN(MACH_MSG_TYPE_STRING,0); +<Normal>"MACH_MSG_TYPE_STRING_C" TRETURN(MACH_MSG_TYPE_STRING_C,0); + +<Normal>"MACH_MSG_TYPE_MOVE_RECEIVE" TPRETURN(MACH_MSG_TYPE_MOVE_RECEIVE,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_COPY_SEND" TPRETURN(MACH_MSG_TYPE_COPY_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_MAKE_SEND" TPRETURN(MACH_MSG_TYPE_MAKE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_MOVE_SEND" TPRETURN(MACH_MSG_TYPE_MOVE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_MAKE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MAKE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_MOVE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MOVE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); + +<Normal>"MACH_MSG_TYPE_PORT_NAME" TRETURN(MACH_MSG_TYPE_PORT_NAME,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_PORT_RECEIVE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_PORT_SEND" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_PORT_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits); +<Normal>"MACH_MSG_TYPE_POLYMORPHIC" TRETURN(MACH_MSG_TYPE_POLYMORPHIC,0); + +<Normal>":" RETURN(syColon); +<Normal>";" RETURN(sySemi); +<Normal>"," RETURN(syComma); +<Normal>"+" RETURN(syPlus); +<Normal>"-" RETURN(syMinus); +<Normal>"*" RETURN(syStar); +<Normal>"/" RETURN(syDiv); +<Normal>"(" RETURN(syLParen); +<Normal>")" RETURN(syRParen); +<Normal>"=" RETURN(syEqual); +<Normal>"^" RETURN(syCaret); +<Normal>"~" RETURN(syTilde); +<Normal>"<" RETURN(syLAngle); +<Normal>">" RETURN(syRAngle); +<Normal>"[" RETURN(syLBrack); +<Normal>"]" RETURN(syRBrack); +<Normal>"|" RETURN(syBar); + +<Normal>{Ident} { yylval.identifier = strmake(yytext); + RETURN(syIdentifier); } +<Normal>{Number} { yylval.number = atoi(yytext); RETURN(syNumber); } + +<String>{String} { yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syString); } +<FileName>{FileName} { yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syFileName); } +<QString>{QString} { yylval.string = strmake(yytext); + BEGIN Normal; RETURN(syQString); } + +^\#[ \t]*{Number}[ \t]*\"[^"]*\" { doSharp(yytext+1); + SAVE_BEGIN; + BEGIN SkipToEOL; } +^\#\ *{Number} { doSharp(yytext+1); + SAVE_BEGIN; + BEGIN SkipToEOL; } +^\# { yyerror("illegal # directive"); + SAVE_BEGIN; + BEGIN SkipToEOL; } + +<SkipToEOL>\n RSTR_BEGIN; +<SkipToEOL>. ; + +[ \t] ; +\n { lineno++; } +. { BEGIN Normal; RETURN(syError); } + +%% + +extern void +LookNormal(void) +{ + if (inname == 0) + { + inname = strmake("(unknown)"); + lineno = 0; + } + + BEGIN Normal; +} + +extern void +LookString(void) +{ + BEGIN String; +} + +extern void +LookQString(void) +{ + BEGIN QString; +} + +extern void +LookFileName(void) +{ + BEGIN FileName; +} + +static void +doSharp(const char *body) +{ + register const char *startName; + + lineno = atoi(body); + startName = strchr(body, '"'); + if (startName != NULL) + { + *strrchr(body, '"') = '\0'; + strfree(inname); + inname = strmake(startName+1); + } +} diff --git a/mig/message.h b/mig/message.h new file mode 100644 index 0000000..bd98086 --- /dev/null +++ b/mig/message.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ +#ifndef _MIG_MESSAGE_H +#define _MIG_MESSAGE_H + +/* This file is a substitute for mach/message.h, + to be used within MIG sources compiled for the build machine. + This way we avoid pulling in all the bogus typedefs and stuff + that would normally come with mach/message.h. */ + +#include "cpu.h" + +#define MACH_MSG_TYPE_PORT_ANY(x) \ + (((x) >= MACH_MSG_TYPE_MOVE_RECEIVE) && \ + ((x) <= MACH_MSG_TYPE_MAKE_SEND_ONCE)) + +#endif /* _MIG_MESSAGE_H */ diff --git a/mig/mig.sh b/mig/mig.sh new file mode 100644 index 0000000..31afb7e --- /dev/null +++ b/mig/mig.sh @@ -0,0 +1,95 @@ +#!/bin/sh +# +# Mach Operating System +# Copyright (c) 1991,1990 Carnegie Mellon University +# All Rights Reserved. +# +# Permission to use, copy, modify and distribute this software and its +# documentation is hereby granted, provided that both the copyright +# notice and this permission notice appear in all copies of the +# software, derivative works or modified versions, and any portions +# thereof, and that both notices appear in supporting documentation. +# +# CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" +# CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR +# ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. +# +# Carnegie Mellon requests users of this software to return to +# +# Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU +# School of Computer Science +# Carnegie Mellon University +# Pittsburgh PA 15213-3890 +# +# any improvements or extensions that they make and grant Carnegie Mellon +# the rights to redistribute these changes. +# + +migcom=${MIGDIR-@MIGDIR@}/migcom +cpp="${CPP-@CPP@}" + +cppflags= +migflags= +files= + +# If an argument to this shell script contains whitespace, +# then we will screw up. migcom will see it as multiple arguments. +# +# As a special hack, if -i is specified first we don't pass -user to migcom. +# We do use the -user argument for the dependencies. +# In this case, the -user argument can have whitespace. + +until [ $# -eq 0 ] +do + case "$1" in + -[qQvVtTrRsS] ) migflags="$migflags $1"; shift;; + -i ) sawI=1; migflags="$migflags $1 $2"; shift; shift;; + -user ) user="$2"; if [ ! "${sawI-}" ]; then migflags="$migflags $1 $2"; fi; shift; shift;; + -server ) server="$2"; migflags="$migflags $1 $2"; shift; shift;; + -header ) header="$2"; migflags="$migflags $1 $2"; shift; shift;; + -sheader ) sheader="$2"; migflags="$migflags $1 $2"; shift; shift;; + -iheader ) iheader="$2"; migflags="$migflags $1 $2"; shift; shift;; + -prefix | -subrprefix ) migflags="$migflags $1 $2"; shift; shift;; + + -MD ) sawMD=1; cppflags="$cppflags $1"; shift;; + -imacros ) cppflags="$cppflags $1 $2"; shift; shift;; + -cc) cpp="$2"; shift; shift;; + -migcom) migcom="$2"; shift; shift;; + -* ) cppflags="$cppflags $1"; shift;; + * ) files="$files $1"; shift;; + esac +done + +for file in $files +do + $cpp $cppflags "$file" | $migcom $migflags || exit + + if [ $sawMD ] + then + base="`basename "$file"|sed 's%[.][^.]*$%%'`" + deps= + rheader="${header-${base}.h}" + if [ "$rheader" != /dev/null ]; then deps="$deps $rheader"; fi + ruser="${user-${base}User.c}" + if [ "$ruser" != /dev/null ]; then + if [ $sawI ]; then + for un in $ruser + do + deps="$deps $un" + done + else + deps="$deps $ruser" + fi + fi + rserver="${server-${base}Server.c}" + if [ "$rserver" != /dev/null ]; then deps="$deps $rserver"; fi + rsheader="${sheader-/dev/null}" + if [ "$rsheader" != /dev/null ]; then deps="$deps $rsheader"; fi + riheader="${iheader-/dev/null}" + if [ "$riheader" != /dev/null ]; then deps="$deps $riheader"; fi + sed 's%^[^:]*:%'"${deps}"':%' <"${base}.d" >"${base}-mig.d" + rm -f ${base}.d + fi +done + +exit 0 diff --git a/mig/mig_string.h b/mig/mig_string.h new file mode 100644 index 0000000..d6cef95 --- /dev/null +++ b/mig/mig_string.h @@ -0,0 +1,49 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _MIG_STRING_H +#define _MIG_STRING_H + +#include <string.h> + +#include "boolean.h" + +typedef char *string_t; +typedef const char *const_string_t; +typedef const_string_t identifier_t; + +#define strNULL ((string_t) 0) + +extern string_t strmake(const char *string); +extern string_t strconcat(const_string_t left, const_string_t right); +extern void strfree(string_t string); + +#define streql(a, b) (strcmp((a), (b)) == 0) + +extern const char *strbool(boolean_t bool); +extern const char *strstring(const_string_t string); + +#endif /* _MIG_STRING_H */ diff --git a/mig/migcom.c b/mig/migcom.c new file mode 100644 index 0000000..bfd6724 --- /dev/null +++ b/mig/migcom.c @@ -0,0 +1,298 @@ +/* + * Mach Operating System + * Copyright (c) 1993,1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +/* + * Switches are; + * -[v,Q] verbose or not quiet: prints out type + * and routine information as mig runs. + * -[V,q] not verbose or quiet : don't print + * information during compilation + * (this is the default) + * -[r,R] do or don't use rpc calls instead of + * send/receive pairs. Default is -r. + * -[s,S] generate symbol table or not: generate a + * table of rpc-name, number, routine triplets + * as an external data structure -- main use is + * for protection system's specification of rights + * and for protection dispatch code. Default is -s. + * -i <prefix> + * Put each user routine in its own file. The + * file is named <prefix><routine-name>.c. + * -user <name> + * Name the user-side file <name> + * -server <name> + * Name the server-side file <name> + * -header <name> + * Name the user-side header file <name> + * -iheader <name> + * Name the user-side internal header file <name> + * -sheader <name> + * NAme the server-side header file <name> + * + * DESIGN: + * Mig uses a lexxer module created by lex from lexxer.l and + * a parser module created by yacc from parser.y to parse an + * interface definitions module for a mach server. + * The parser module calls routines in statement.c + * and routines.c to build a list of statement structures. + * The most interesting statements are the routine definitions + * which contain information about the name, type, characteristics + * of the routine, an argument list containing information for + * each argument type, and a list of special arguments. The + * argument type structures are build by routines in type.c + * Once parsing is completed, the three code generation modules: + * header.c user.c and server.c are called sequentially. These + * do some code generation directly and also call the routines + * in utils.c for common (parameterized) code generation. + * + */ + +#include <stdio.h> + +#include "error.h" +#include "lexxer.h" +#include "global.h" +#include "write.h" + +extern int yyparse(); +static FILE *myfopen(const char *name, const char *mode); + +static void +parseArgs(int argc, char **argv) +{ + while (--argc > 0) + if ((++argv)[0][0] == '-') + { + switch (argv[0][1]) + { + case 'q': + BeQuiet = TRUE; + break; + case 'Q': + BeQuiet = FALSE; + break; + case 'v': + BeVerbose = TRUE; + break; + case 'V': + BeVerbose = FALSE; + break; + case 'r': + UseMsgRPC = TRUE; + break; + case 'R': + UseMsgRPC = FALSE; + break; + case 's': + if (streql(argv[0], "-server")) + { + --argc; ++argv; + if (argc == 0) + fatal("missing name for -server option"); + ServerFileName = strmake(argv[0]); + } + else if (streql(argv[0], "-sheader")) + { + --argc; ++argv; + if (argc == 0) + fatal ("missing name for -sheader option"); + ServerHeaderFileName = strmake(argv[0]); + } + else if (streql(argv[0], "-subrprefix")) + { + --argc; ++argv; + if (argc == 0) + fatal ("missing string for -subrprefix option"); + SubrPrefix = strmake(argv[0]); + } + else + GenSymTab = TRUE; + break; + case 'S': + GenSymTab = FALSE; + break; + case 'i': + if (streql(argv[0], "-iheader")) + { + --argc; ++argv; + if (argc == 0) + fatal("missing name for -iheader option"); + InternalHeaderFileName = strmake(argv[0]); + } + else + { + --argc; ++argv; + if (argc == 0) + fatal("missing prefix for -i option"); + UserFilePrefix = strmake(argv[0]); + } + break; + case 'u': + if (streql(argv[0], "-user")) + { + --argc; ++argv; + if (argc == 0) + fatal("missing name for -user option"); + UserFileName = strmake(argv[0]); + } + else + fatal("unknown flag: '%s'", argv[0]); + break; + case 'h': + if (streql(argv[0], "-header")) + { + --argc; ++argv; + if (argc == 0) + fatal("missing name for -header option"); + UserHeaderFileName = strmake(argv[0]); + } + else + fatal("unknown flag: '%s'", argv[0]); + break; + case 'p': + if (streql(argv[0], "-prefix")) + { + if (--argc == 0) + fatal ("missing string for -prefix option"); + RoutinePrefix = strmake(*++argv); + } + break; + default: + fatal("unknown flag: '%s'", argv[0]); + /*NOTREACHED*/ + } + } + else + fatal("bad argument: '%s'", *argv); +} + +void +main(int argc, char **argv) +{ + FILE *uheader, *server, *user; + FILE *iheader, *sheader; + + set_program_name("mig"); + parseArgs(argc, argv); + init_global(); + init_type(); + + LookNormal(); + (void) yyparse(); + + if (errors > 0) + exit(1); + + more_global(); + + uheader = myfopen(UserHeaderFileName, "w"); + if (!UserFilePrefix) + user = myfopen(UserFileName, "w"); + server = myfopen(ServerFileName, "w"); + if (ServerHeaderFileName) + sheader = myfopen(ServerHeaderFileName, "w"); + if (IsKernelServer) + { + iheader = myfopen(InternalHeaderFileName, "w"); + } + + if (BeVerbose) + { + printf("Writing %s ... ", UserHeaderFileName); + fflush(stdout); + } + WriteUserHeader(uheader, StatementList); + fclose(uheader); + if (ServerHeaderFileName) + { + if (BeVerbose) + { + printf ("done.\nWriting %s ...", ServerHeaderFileName); + fflush (stdout); + } + WriteServerHeader(sheader, StatementList); + fclose(sheader); + } + if (IsKernelServer) + { + if (BeVerbose) + { + printf("done.\nWriting %s ... ", InternalHeaderFileName); + fflush(stdout); + } + WriteInternalHeader(iheader, StatementList); + fclose(iheader); + } + if (UserFilePrefix) + { + if (BeVerbose) + { + printf("done.\nWriting individual user files ... "); + fflush(stdout); + } + WriteUserIndividual(StatementList); + } + else + { + if (BeVerbose) + { + printf("done.\nWriting %s ... ", UserFileName); + fflush(stdout); + } + WriteUser(user, StatementList); + fclose(user); + } + if (BeVerbose) + { + printf("done.\nWriting %s ... ", ServerFileName); + fflush(stdout); + } + WriteServer(server, StatementList); + fclose(server); + if (BeVerbose) + printf("done.\n"); + + exit(0); +} + +static FILE * +myfopen(const char *name, const char *mode) +{ + const char *realname; + FILE *file; + extern int errno; + + if (name == strNULL) + realname = "/dev/null"; + else + realname = name; + + file = fopen(realname, mode); + if (file == NULL) + fatal("fopen(%s): %s", realname, unix_error_string(errno)); + + return file; +} diff --git a/mig/parser.c b/mig/parser.c new file mode 100644 index 0000000..c2ba442 --- /dev/null +++ b/mig/parser.c @@ -0,0 +1,1700 @@ + +/* A Bison parser, made from ../gnumach/mig/parser.y + by Bison version A2.5 (Andrew Consortium) + */ + +#define YYBISON 1 /* Identify Bison output. */ + +#define sySkip 258 +#define syRoutine 259 +#define sySimpleRoutine 260 +#define sySimpleProcedure 261 +#define syProcedure 262 +#define syFunction 263 +#define sySubsystem 264 +#define syKernelUser 265 +#define syKernelServer 266 +#define syMsgOption 267 +#define syMsgSeqno 268 +#define syWaitTime 269 +#define syNoWaitTime 270 +#define syErrorProc 271 +#define syServerPrefix 272 +#define syUserPrefix 273 +#define syServerDemux 274 +#define syRCSId 275 +#define syImport 276 +#define syUImport 277 +#define sySImport 278 +#define syIn 279 +#define syOut 280 +#define syInOut 281 +#define syRequestPort 282 +#define syReplyPort 283 +#define sySReplyPort 284 +#define syUReplyPort 285 +#define syType 286 +#define syArray 287 +#define syStruct 288 +#define syOf 289 +#define syInTran 290 +#define syOutTran 291 +#define syDestructor 292 +#define syCType 293 +#define syCUserType 294 +#define syCServerType 295 +#define syCString 296 +#define syColon 297 +#define sySemi 298 +#define syComma 299 +#define syPlus 300 +#define syMinus 301 +#define syStar 302 +#define syDiv 303 +#define syLParen 304 +#define syRParen 305 +#define syEqual 306 +#define syCaret 307 +#define syTilde 308 +#define syLAngle 309 +#define syRAngle 310 +#define syLBrack 311 +#define syRBrack 312 +#define syBar 313 +#define syError 314 +#define syNumber 315 +#define sySymbolicType 316 +#define syIdentifier 317 +#define syString 318 +#define syQString 319 +#define syFileName 320 +#define syIPCFlag 321 + +#line 117 "../gnumach/mig/parser.y" + + +#include <stdio.h> + +#include "error.h" +#include "lexxer.h" +#include "global.h" +#include "mig_string.h" +#include "type.h" +#include "routine.h" +#include "statement.h" + +static const char *import_name(statement_kind_t sk); + +void +yyerror(const char *s) +{ + error(s); +} + +#line 138 "../gnumach/mig/parser.y" +typedef union +{ + u_int number; + identifier_t identifier; + const_string_t string; + statement_kind_t statement_kind; + ipc_type_t *type; + struct + { + u_int innumber; /* msgt_name value, when sending */ + const_string_t instr; + u_int outnumber; /* msgt_name value, when receiving */ + const_string_t outstr; + u_int size; /* 0 means there is no default size */ + } symtype; + routine_t *routine; + arg_kind_t direction; + argument_t *argument; + ipc_flags_t flag; +} YYSTYPE; +#include <stdio.h> + +#ifndef __cplusplus +#ifndef __STDC__ +#define const +#endif +#endif + + + +#define YYFINAL 213 +#define YYFLAG -32768 +#define YYNTBASE 67 + +#define YYTRANSLATE(x) ((unsigned)(x) <= 321 ? yytranslate[x] : 112) + +static const char yytranslate[] = { 0, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 1, 2, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, + 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, + 66 +}; + +#if YYDEBUG != 0 +static const short yyprhs[] = { 0, + 0, 1, 4, 7, 10, 13, 16, 19, 22, 25, + 28, 31, 34, 38, 41, 44, 46, 49, 54, 56, + 57, 60, 62, 64, 66, 68, 72, 76, 78, 81, + 84, 87, 90, 94, 96, 98, 100, 104, 107, 111, + 113, 122, 131, 139, 144, 149, 154, 156, 158, 161, + 164, 167, 170, 172, 174, 181, 182, 186, 192, 194, + 196, 198, 202, 204, 209, 215, 223, 229, 235, 240, + 247, 251, 255, 259, 263, 265, 269, 271, 273, 275, + 277, 279, 283, 287, 291, 295, 300, 303, 307, 309, + 313, 318, 319, 321, 323, 325, 327, 329, 331, 333, + 335, 337, 339, 342, 345, 346, 347 +}; + +static const short yyrhs[] = { -1, + 67, 68, 0, 69, 43, 0, 76, 43, 0, 75, + 43, 0, 77, 43, 0, 78, 43, 0, 79, 43, + 0, 80, 43, 0, 84, 43, 0, 98, 43, 0, + 3, 43, 0, 3, 60, 43, 0, 81, 43, 0, + 83, 43, 0, 43, 0, 1, 43, 0, 70, 71, + 73, 74, 0, 9, 0, 0, 71, 72, 0, 10, + 0, 11, 0, 62, 0, 60, 0, 109, 12, 63, + 0, 109, 14, 63, 0, 15, 0, 16, 62, 0, + 17, 62, 0, 18, 62, 0, 19, 62, 0, 110, + 82, 65, 0, 21, 0, 22, 0, 23, 0, 111, + 20, 64, 0, 31, 85, 0, 62, 51, 86, 0, + 87, 0, 86, 35, 42, 62, 62, 49, 62, 50, + 0, 86, 36, 42, 62, 62, 49, 62, 50, 0, + 86, 37, 42, 62, 49, 62, 50, 0, 86, 38, + 42, 62, 0, 86, 39, 42, 62, 0, 86, 40, + 42, 62, 0, 88, 0, 92, 0, 93, 87, 0, + 94, 87, 0, 52, 87, 0, 95, 87, 0, 96, + 0, 91, 0, 49, 91, 44, 97, 89, 50, 0, + 0, 89, 44, 66, 0, 89, 44, 66, 56, 57, + 0, 60, 0, 61, 0, 90, 0, 90, 58, 90, + 0, 62, 0, 32, 56, 57, 34, 0, 32, 56, + 47, 57, 34, 0, 32, 56, 47, 42, 97, 57, + 34, 0, 32, 56, 97, 57, 34, 0, 33, 56, + 97, 57, 34, 0, 41, 56, 97, 57, 0, 41, + 56, 47, 42, 97, 57, 0, 97, 45, 97, 0, + 97, 46, 97, 0, 97, 47, 97, 0, 97, 48, + 97, 0, 60, 0, 49, 97, 50, 0, 99, 0, + 100, 0, 101, 0, 102, 0, 103, 0, 4, 62, + 104, 0, 5, 62, 104, 0, 7, 62, 104, 0, + 6, 62, 104, 0, 8, 62, 104, 108, 0, 49, + 50, 0, 49, 105, 50, 0, 106, 0, 106, 43, + 105, 0, 107, 62, 108, 89, 0, 0, 24, 0, + 25, 0, 26, 0, 27, 0, 28, 0, 29, 0, + 30, 0, 14, 0, 12, 0, 13, 0, 42, 62, + 0, 42, 85, 0, 0, 0, 0 +}; + +#endif + +#if YYDEBUG != 0 +static const short yyrline[] = { 0, + 161, 162, 165, 166, 167, 168, 169, 170, 171, 172, + 173, 183, 185, 187, 188, 189, 190, 194, 207, 219, + 220, 223, 229, 237, 240, 243, 260, 266, 274, 282, + 290, 298, 306, 317, 318, 319, 322, 332, 342, 346, + 348, 368, 388, 403, 417, 426, 438, 440, 442, 444, + 446, 448, 450, 454, 460, 469, 471, 478, 487, 493, + 497, 499, 523, 527, 529, 531, 536, 540, 544, 546, + 551, 553, 555, 557, 559, 561, 566, 567, 568, 569, + 570, 573, 577, 581, 585, 589, 593, 595, 600, 602, + 609, 619, 620, 621, 622, 623, 624, 625, 626, 627, + 628, 629, 632, 638, 642, 646, 650 +}; +#endif + + +#if YYDEBUG != 0 + +static const char * const yytname[] = { "$","error","$undefined.","sySkip", +"syRoutine","sySimpleRoutine","sySimpleProcedure","syProcedure","syFunction", +"sySubsystem","syKernelUser","syKernelServer","syMsgOption","syMsgSeqno","syWaitTime", +"syNoWaitTime","syErrorProc","syServerPrefix","syUserPrefix","syServerDemux", +"syRCSId","syImport","syUImport","sySImport","syIn","syOut","syInOut","syRequestPort", +"syReplyPort","sySReplyPort","syUReplyPort","syType","syArray","syStruct","syOf", +"syInTran","syOutTran","syDestructor","syCType","syCUserType","syCServerType", +"syCString","syColon","sySemi","syComma","syPlus","syMinus","syStar","syDiv", +"syLParen","syRParen","syEqual","syCaret","syTilde","syLAngle","syRAngle","syLBrack", +"syRBrack","syBar","syError","syNumber","sySymbolicType","syIdentifier","syString", +"syQString","syFileName","syIPCFlag","Statements","Statement","Subsystem","SubsystemStart", +"SubsystemMods","SubsystemMod","SubsystemName","SubsystemBase","MsgOption","WaitTime", +"Error","ServerPrefix","UserPrefix","ServerDemux","Import","ImportIndicant", +"RCSDecl","TypeDecl","NamedTypeSpec","TransTypeSpec","TypeSpec","BasicTypeSpec", +"IPCFlags","PrimIPCType","IPCType","PrevTypeSpec","VarArrayHead","ArrayHead", +"StructHead","CStringSpec","IntExp","RoutineDecl","Routine","SimpleRoutine", +"Procedure","SimpleProcedure","Function","Arguments","ArgumentList","Argument", +"Direction","ArgumentType","LookString","LookFileName","LookQString", NULL +}; +#endif + +static const short yyr1[] = { 0, + 67, 67, 68, 68, 68, 68, 68, 68, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 69, 70, 71, + 71, 72, 72, 73, 74, 75, 76, 76, 77, 78, + 79, 80, 81, 82, 82, 82, 83, 84, 85, 86, + 86, 86, 86, 86, 86, 86, 87, 87, 87, 87, + 87, 87, 87, 88, 88, 89, 89, 89, 90, 90, + 91, 91, 92, 93, 93, 93, 94, 95, 96, 96, + 97, 97, 97, 97, 97, 97, 98, 98, 98, 98, + 98, 99, 100, 101, 102, 103, 104, 104, 105, 105, + 106, 107, 107, 107, 107, 107, 107, 107, 107, 107, + 107, 107, 108, 108, 109, 110, 111 +}; + +static const short yyr2[] = { 0, + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 3, 2, 2, 1, 2, 4, 1, 0, + 2, 1, 1, 1, 1, 3, 3, 1, 2, 2, + 2, 2, 3, 1, 1, 1, 3, 2, 3, 1, + 8, 8, 7, 4, 4, 4, 1, 1, 2, 2, + 2, 2, 1, 1, 6, 0, 3, 5, 1, 1, + 1, 3, 1, 4, 5, 7, 5, 5, 4, 6, + 3, 3, 3, 3, 1, 3, 1, 1, 1, 1, + 1, 3, 3, 3, 3, 4, 2, 3, 1, 3, + 4, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 2, 0, 0, 0 +}; + +static const short yydefact[] = { 1, + 0, 0, 0, 0, 0, 0, 0, 0, 19, 28, + 0, 0, 0, 0, 0, 16, 2, 0, 20, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 77, + 78, 79, 80, 81, 0, 0, 0, 17, 12, 0, + 0, 0, 0, 0, 0, 29, 30, 31, 32, 0, + 38, 3, 0, 5, 4, 6, 7, 8, 9, 14, + 15, 10, 11, 0, 0, 34, 35, 36, 0, 0, + 13, 92, 82, 83, 85, 84, 0, 0, 22, 23, + 24, 21, 0, 26, 27, 33, 37, 101, 102, 100, + 93, 94, 95, 96, 97, 98, 99, 87, 0, 89, + 0, 0, 86, 0, 0, 0, 0, 0, 59, 60, + 63, 39, 40, 47, 61, 54, 48, 0, 0, 0, + 53, 25, 18, 88, 92, 0, 103, 104, 0, 0, + 0, 0, 51, 0, 0, 0, 0, 0, 0, 0, + 49, 50, 52, 90, 56, 0, 0, 0, 75, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 62, 91, 0, 0, 0, 64, 0, 0, 0, 0, + 0, 0, 0, 69, 56, 0, 0, 0, 44, 45, + 46, 0, 0, 65, 76, 71, 72, 73, 74, 67, + 68, 0, 0, 0, 0, 0, 57, 0, 70, 55, + 0, 0, 0, 0, 66, 0, 0, 43, 58, 41, + 42, 0, 0 +}; + +static const short yydefgoto[] = { 1, + 17, 18, 19, 53, 82, 83, 123, 20, 21, 22, + 23, 24, 25, 26, 69, 27, 28, 51, 112, 113, + 114, 162, 115, 116, 117, 118, 119, 120, 121, 150, + 29, 30, 31, 32, 33, 34, 73, 99, 100, 101, + 103, 35, 36, 37 +}; + +static const short yypact[] = {-32768, + 2, -5, -31, -16, 27, 28, 30, 33,-32768,-32768, + 35, 49, 71, 72, 89,-32768,-32768, 6,-32768, 60, + 67, 107, 109, 110, 111, 112, 113, 114, 115,-32768, +-32768,-32768,-32768,-32768, 56, 9, 51,-32768,-32768, 116, + 117, 117, 117, 117, 117,-32768,-32768,-32768,-32768, 118, +-32768,-32768, -10,-32768,-32768,-32768,-32768,-32768,-32768,-32768, +-32768,-32768,-32768, 98, 99,-32768,-32768,-32768, 95, 100, +-32768, 48,-32768,-32768,-32768,-32768, 121, 47,-32768,-32768, +-32768,-32768, 105,-32768,-32768,-32768,-32768,-32768,-32768,-32768, +-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 120, 124, + 106, 119,-32768, 122, 123, 126, -7, 47,-32768,-32768, +-32768, 101,-32768,-32768, 125,-32768,-32768, 47, 47, 47, +-32768,-32768,-32768,-32768, 88, 121, 118,-32768, -13, -45, + -12, 127,-32768, 130, 131, 132, 133, 134, 135, -7, +-32768,-32768,-32768,-32768,-32768, -29, -45, 146,-32768, -6, + 10, 142, 36, -45, 128, 129, 136, 137, 138, 139, +-32768, 141, -45, 152, 82,-32768, -45, -45, -45, -45, + 153, 154, -45,-32768, 97, 140, 143, 144,-32768,-32768, +-32768, 145, 74,-32768,-32768, 39, 39,-32768,-32768,-32768, +-32768, 78, 41, 147, 148, 150, 151, 155,-32768,-32768, + 156, 157, 158, 149,-32768, 159, 160,-32768,-32768,-32768, +-32768, 192,-32768 +}; + +static const short yypgoto[] = {-32768, +-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, +-32768,-32768,-32768,-32768,-32768,-32768,-32768, 92,-32768, -14, +-32768, 20, 63, 108,-32768,-32768,-32768,-32768,-32768, -104, +-32768,-32768,-32768,-32768,-32768,-32768, 104, 79,-32768,-32768, + 87,-32768,-32768,-32768 +}; + + +#define YYLAST 219 + + +static const short yytable[] = { 79, + 80, 212, 2, 147, 3, 4, 5, 6, 7, 8, + 9, 39, 163, -105, 149, -105, 10, 11, 12, 13, + 14, -107, -106, -106, -106, 151, 153, 164, 40, 66, + 67, 68, 15, 146, 152, 147, 147, 38, 167, 168, + 169, 170, 165, 148, 16, 41, 149, 149, 52, 175, + 171, 81, 109, 110, 167, 168, 169, 170, 183, 88, + 89, 90, 186, 187, 188, 189, 172, 64, 192, 65, + 70, 91, 92, 93, 94, 95, 96, 97, 104, 105, + 167, 168, 169, 170, 182, 169, 170, 106, 42, 43, + 200, 44, 174, 133, 45, 107, 46, 98, 108, 88, + 89, 90, 54, 141, 142, 143, 109, 110, 111, 55, + 47, 91, 92, 93, 94, 95, 96, 97, 167, 168, + 169, 170, 167, 168, 169, 170, 167, 168, 169, 170, + 198, 185, 48, 49, 199, 134, 135, 136, 137, 138, + 139, 167, 168, 169, 170, 74, 75, 76, 77, 56, + 50, 57, 58, 59, 60, 61, 62, 63, 71, 86, + 84, 85, 102, 87, 122, 72, 125, 126, 78, 124, + 154, 155, 156, 157, 158, 159, 160, 129, 130, 166, + 127, 131, 140, 173, 182, 184, 190, 191, 205, 176, + 177, 213, 196, 128, 193, 201, 202, 178, 179, 180, + 181, 194, 161, 144, 195, 209, 204, 208, 210, 211, + 197, 203, 145, 0, 132, 0, 0, 206, 207 +}; + +static const short yycheck[] = { 10, + 11, 0, 1, 49, 3, 4, 5, 6, 7, 8, + 9, 43, 42, 12, 60, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 130, 131, 57, 60, 21, + 22, 23, 31, 47, 47, 49, 49, 43, 45, 46, + 47, 48, 147, 57, 43, 62, 60, 60, 43, 154, + 57, 62, 60, 61, 45, 46, 47, 48, 163, 12, + 13, 14, 167, 168, 169, 170, 57, 12, 173, 14, + 20, 24, 25, 26, 27, 28, 29, 30, 32, 33, + 45, 46, 47, 48, 44, 47, 48, 41, 62, 62, + 50, 62, 57, 108, 62, 49, 62, 50, 52, 12, + 13, 14, 43, 118, 119, 120, 60, 61, 62, 43, + 62, 24, 25, 26, 27, 28, 29, 30, 45, 46, + 47, 48, 45, 46, 47, 48, 45, 46, 47, 48, + 57, 50, 62, 62, 57, 35, 36, 37, 38, 39, + 40, 45, 46, 47, 48, 42, 43, 44, 45, 43, + 62, 43, 43, 43, 43, 43, 43, 43, 43, 65, + 63, 63, 42, 64, 60, 49, 43, 62, 51, 50, + 44, 42, 42, 42, 42, 42, 42, 56, 56, 34, + 62, 56, 58, 42, 44, 34, 34, 34, 34, 62, + 62, 0, 49, 102, 175, 49, 49, 62, 62, 62, + 62, 62, 140, 125, 62, 57, 56, 50, 50, 50, + 66, 62, 126, -1, 107, -1, -1, 62, 62 +}; +/* -*-C-*- Note some compilers choke on comments on `#line' lines. */ +#line 3 "/usr/share/bison.simple" + +/* Skeleton output parser for bison, + Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* As a special exception, when this file is copied by Bison into a + Bison output file, you may use that output file without restriction. + This special exception was added by the Free Software Foundation + in version 1.24 of Bison. */ + +#ifndef alloca +#ifdef __GNUC__ +#define alloca __builtin_alloca +#else /* not GNU C. */ +#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) +#include <alloca.h> +#else /* not sparc */ +#if defined (MSDOS) && !defined (__TURBOC__) +#include <malloc.h> +#else /* not MSDOS, or __TURBOC__ */ +#if defined(_AIX) +#include <malloc.h> + #pragma alloca +#else /* not MSDOS, __TURBOC__, or _AIX */ +#ifdef __hpux +#ifdef __cplusplus +extern "C" { +void *alloca (unsigned int); +}; +#else /* not __cplusplus */ +void *alloca (); +#endif /* not __cplusplus */ +#endif /* __hpux */ +#endif /* not _AIX */ +#endif /* not MSDOS, or __TURBOC__ */ +#endif /* not sparc. */ +#endif /* not GNU C. */ +#endif /* alloca not defined. */ + +/* This is the parser code that is written into each bison parser + when the %semantic_parser declaration is not specified in the grammar. + It was written by Richard Stallman by simplifying the hairy parser + used when %semantic_parser is specified. */ + +/* Note: there must be only one dollar sign in this file. + It is replaced by the list of actions, each action + as one case of the switch. */ + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY -2 +#define YYEOF 0 +#define YYACCEPT return(0) +#define YYABORT return(1) +#define YYERROR goto yyerrlab1 +/* Like YYERROR except do call yyerror. + This remains here temporarily to ease the + transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ +#define YYFAIL goto yyerrlab +#define YYRECOVERING() (!!yyerrstatus) +#define YYBACKUP(token, value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { yychar = (token), yylval = (value); \ + yychar1 = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { yyerror ("syntax error: cannot back up"); YYERROR; } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + +#ifndef YYPURE +#define YYLEX yylex() +#endif + +#ifdef YYPURE +#ifdef YYLSP_NEEDED +#ifdef YYLEX_PARAM +#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM) +#else +#define YYLEX yylex(&yylval, &yylloc) +#endif +#else /* not YYLSP_NEEDED */ +#ifdef YYLEX_PARAM +#define YYLEX yylex(&yylval, YYLEX_PARAM) +#else +#define YYLEX yylex(&yylval) +#endif +#endif /* not YYLSP_NEEDED */ +#endif + +/* If nonreentrant, generate the variables here */ + +#ifndef YYPURE + +int yychar; /* the lookahead symbol */ +YYSTYPE yylval; /* the semantic value of the */ + /* lookahead symbol */ + +#ifdef YYLSP_NEEDED +YYLTYPE yylloc; /* location data for the lookahead */ + /* symbol */ +#endif + +int yynerrs; /* number of parse errors so far */ +#endif /* not YYPURE */ + +#if YYDEBUG != 0 +int yydebug; /* nonzero means print parse trace */ +/* Since this is uninitialized, it does not stop multiple parsers + from coexisting. */ +#endif + +/* YYINITDEPTH indicates the initial size of the parser's stacks */ + +#ifndef YYINITDEPTH +#define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH is the maximum size the stacks can grow to + (effective only if the built-in stack extension method is used). */ + +#if YYMAXDEPTH == 0 +#undef YYMAXDEPTH +#endif + +#ifndef YYMAXDEPTH +#define YYMAXDEPTH 10000 +#endif + +/* Prevent warning if -Wstrict-prototypes. */ +#ifdef __GNUC__ +int yyparse (void); +#endif + +#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ +#define __yy_memcpy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT) +#else /* not GNU C or C++ */ +#ifndef __cplusplus + +/* This is the most reliable way to avoid incompatibilities + in available built-in functions on various systems. */ +static void +__yy_memcpy (from, to, count) + char *from; + char *to; + int count; +{ + register char *f = from; + register char *t = to; + register int i = count; + + while (i-- > 0) + *t++ = *f++; +} + +#else /* __cplusplus */ + +/* This is the most reliable way to avoid incompatibilities + in available built-in functions on various systems. */ +static void +__yy_memcpy (char *from, char *to, int count) +{ + register char *f = from; + register char *t = to; + register int i = count; + + while (i-- > 0) + *t++ = *f++; +} + +#endif +#endif + +#line 192 "/usr/share/bison.simple" + +/* The user can define YYPARSE_PARAM as the name of an argument to be passed + into yyparse. The argument should have type void *. + It should actually point to an object. + Grammar actions can access the variable by casting it + to the proper pointer type. */ + +#ifdef YYPARSE_PARAM +#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +#else +#define YYPARSE_PARAM +#define YYPARSE_PARAM_DECL +#endif + +int +yyparse(YYPARSE_PARAM) + YYPARSE_PARAM_DECL +{ + register int yystate; + register int yyn; + register short *yyssp; + register YYSTYPE *yyvsp; + int yyerrstatus; /* number of tokens to shift before error messages enabled */ + int yychar1 = 0; /* lookahead token as an internal (translated) token number */ + + short yyssa[YYINITDEPTH]; /* the state stack */ + YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */ + + short *yyss = yyssa; /* refer to the stacks thru separate pointers */ + YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ + +#ifdef YYLSP_NEEDED + YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */ + YYLTYPE *yyls = yylsa; + YYLTYPE *yylsp; + +#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) +#else +#define YYPOPSTACK (yyvsp--, yyssp--) +#endif + + int yystacksize = YYINITDEPTH; + +#ifdef YYPURE + int yychar; + YYSTYPE yylval; + int yynerrs; +#ifdef YYLSP_NEEDED + YYLTYPE yylloc; +#endif +#endif + + YYSTYPE yyval; /* the variable used to return */ + /* semantic values from the action */ + /* routines */ + + int yylen; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Starting parse\n"); +#endif + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss - 1; + yyvsp = yyvs; +#ifdef YYLSP_NEEDED + yylsp = yyls; +#endif + +/* Push a new state, which is found in yystate . */ +/* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. */ +yynewstate: + + *++yyssp = yystate; + + if (yyssp >= yyss + yystacksize - 1) + { + /* Give user a chance to reallocate the stack */ + /* Use copies of these so that the &'s don't force the real ones into memory. */ + YYSTYPE *yyvs1 = yyvs; + short *yyss1 = yyss; +#ifdef YYLSP_NEEDED + YYLTYPE *yyls1 = yyls; +#endif + + /* Get the current used size of the three stacks, in elements. */ + int size = yyssp - yyss + 1; + +#ifdef yyoverflow + /* Each stack pointer address is followed by the size of + the data in use in that stack, in bytes. */ +#ifdef YYLSP_NEEDED + /* This used to be a conditional around just the two extra args, + but that might be undefined if yyoverflow is a macro. */ + yyoverflow("parser stack overflow", + &yyss1, size * sizeof (*yyssp), + &yyvs1, size * sizeof (*yyvsp), + &yyls1, size * sizeof (*yylsp), + &yystacksize); +#else + yyoverflow("parser stack overflow", + &yyss1, size * sizeof (*yyssp), + &yyvs1, size * sizeof (*yyvsp), + &yystacksize); +#endif + + yyss = yyss1; yyvs = yyvs1; +#ifdef YYLSP_NEEDED + yyls = yyls1; +#endif +#else /* no yyoverflow */ + /* Extend the stack our own way. */ + if (yystacksize >= YYMAXDEPTH) + { + yyerror("parser stack overflow"); + return 2; + } + yystacksize *= 2; + if (yystacksize > YYMAXDEPTH) + yystacksize = YYMAXDEPTH; + yyss = (short *) alloca (yystacksize * sizeof (*yyssp)); + __yy_memcpy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp)); + yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp)); + __yy_memcpy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp)); +#ifdef YYLSP_NEEDED + yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp)); + __yy_memcpy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp)); +#endif +#endif /* no yyoverflow */ + + yyssp = yyss + size - 1; + yyvsp = yyvs + size - 1; +#ifdef YYLSP_NEEDED + yylsp = yyls + size - 1; +#endif + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Stack size increased to %d\n", yystacksize); +#endif + + if (yyssp >= yyss + yystacksize - 1) + YYABORT; + } + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Entering state %d\n", yystate); +#endif + + goto yybackup; + yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* First try to decide what to do without reference to lookahead token. */ + + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* yychar is either YYEMPTY or YYEOF + or a valid token in external form. */ + + if (yychar == YYEMPTY) + { +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Reading a token: "); +#endif + yychar = YYLEX; + } + + /* Convert token to internal form (in yychar1) for indexing tables with */ + + if (yychar <= 0) /* This means end of input. */ + { + yychar1 = 0; + yychar = YYEOF; /* Don't call YYLEX any more */ + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Now at end of input.\n"); +#endif + } + else + { + yychar1 = YYTRANSLATE(yychar); + +#if YYDEBUG != 0 + if (yydebug) + { + fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); + /* Give the individual parser a way to print the precise meaning + of a token, for further debugging info. */ +#ifdef YYPRINT + YYPRINT (stderr, yychar, yylval); +#endif + fprintf (stderr, ")\n"); + } +#endif + } + + yyn += yychar1; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) + goto yydefault; + + yyn = yytable[yyn]; + + /* yyn is what to do for this token type in this state. + Negative => reduce, -yyn is rule number. + Positive => shift, yyn is new state. + New state is final state => don't bother to shift, + just return success. + 0, or most negative number => error. */ + + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrlab; + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); +#endif + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; +#ifdef YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + /* count tokens shifted since error; after three, turn off error status. */ + if (yyerrstatus) yyerrstatus--; + + yystate = yyn; + goto yynewstate; + +/* Do the default action for the current state. */ +yydefault: + + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + +/* Do a reduction. yyn is the number of a rule to reduce with. */ +yyreduce: + yylen = yyr2[yyn]; + if (yylen > 0) + yyval = yyvsp[1-yylen]; /* implement default value of the action */ + +#if YYDEBUG != 0 + if (yydebug) + { + int i; + + fprintf (stderr, "Reducing via rule %d (line %d), ", + yyn, yyrline[yyn]); + + /* Print the symbols being reduced, and their result. */ + for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) + fprintf (stderr, "%s ", yytname[yyrhs[i]]); + fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); + } +#endif + + + switch (yyn) { + +case 11: +#line 174 "../gnumach/mig/parser.y" +{ + register statement_t *st = stAlloc(); + + st->stKind = skRoutine; + st->stRoutine = yyvsp[-1].routine; + rtCheckRoutine(yyvsp[-1].routine); + if (BeVerbose) + rtPrintRoutine(yyvsp[-1].routine); +; + break;} +case 12: +#line 184 "../gnumach/mig/parser.y" +{ rtSkip(1); ; + break;} +case 13: +#line 186 "../gnumach/mig/parser.y" +{ rtSkip(yyvsp[-1].number); ; + break;} +case 17: +#line 191 "../gnumach/mig/parser.y" +{ yyerrok; ; + break;} +case 18: +#line 196 "../gnumach/mig/parser.y" +{ + if (BeVerbose) + { + printf("Subsystem %s: base = %u%s%s\n\n", + SubsystemName, SubsystemBase, + IsKernelUser ? ", KernelUser" : "", + IsKernelServer ? ", KernelServer" : ""); + } +; + break;} +case 19: +#line 208 "../gnumach/mig/parser.y" +{ + if (SubsystemName != strNULL) + { + warn("previous Subsystem decl (of %s) will be ignored", SubsystemName); + IsKernelUser = FALSE; + IsKernelServer = FALSE; + strfree((string_t) SubsystemName); + } +; + break;} +case 22: +#line 224 "../gnumach/mig/parser.y" +{ + if (IsKernelUser) + warn("duplicate KernelUser keyword"); + IsKernelUser = TRUE; +; + break;} +case 23: +#line 230 "../gnumach/mig/parser.y" +{ + if (IsKernelServer) + warn("duplicate KernelServer keyword"); + IsKernelServer = TRUE; +; + break;} +case 24: +#line 237 "../gnumach/mig/parser.y" +{ SubsystemName = yyvsp[0].identifier; ; + break;} +case 25: +#line 240 "../gnumach/mig/parser.y" +{ SubsystemBase = yyvsp[0].number; ; + break;} +case 26: +#line 244 "../gnumach/mig/parser.y" +{ + if (streql(yyvsp[0].string, "MACH_MSG_OPTION_NONE")) + { + MsgOption = strNULL; + if (BeVerbose) + printf("MsgOption: canceled\n\n"); + } + else + { + MsgOption = yyvsp[0].string; + if (BeVerbose) + printf("MsgOption %s\n\n",yyvsp[0].string); + } +; + break;} +case 27: +#line 261 "../gnumach/mig/parser.y" +{ + WaitTime = yyvsp[0].string; + if (BeVerbose) + printf("WaitTime %s\n\n", WaitTime); +; + break;} +case 28: +#line 267 "../gnumach/mig/parser.y" +{ + WaitTime = strNULL; + if (BeVerbose) + printf("NoWaitTime\n\n"); +; + break;} +case 29: +#line 275 "../gnumach/mig/parser.y" +{ + ErrorProc = yyvsp[0].identifier; + if (BeVerbose) + printf("ErrorProc %s\n\n", ErrorProc); +; + break;} +case 30: +#line 283 "../gnumach/mig/parser.y" +{ + ServerPrefix = yyvsp[0].identifier; + if (BeVerbose) + printf("ServerPrefix %s\n\n", ServerPrefix); +; + break;} +case 31: +#line 291 "../gnumach/mig/parser.y" +{ + UserPrefix = yyvsp[0].identifier; + if (BeVerbose) + printf("UserPrefix %s\n\n", UserPrefix); +; + break;} +case 32: +#line 299 "../gnumach/mig/parser.y" +{ + ServerDemux = yyvsp[0].identifier; + if (BeVerbose) + printf("ServerDemux %s\n\n", ServerDemux); +; + break;} +case 33: +#line 307 "../gnumach/mig/parser.y" +{ + register statement_t *st = stAlloc(); + st->stKind = yyvsp[-1].statement_kind; + st->stFileName = yyvsp[0].string; + + if (BeVerbose) + printf("%s %s\n\n", import_name(yyvsp[-1].statement_kind), yyvsp[0].string); +; + break;} +case 34: +#line 317 "../gnumach/mig/parser.y" +{ yyval.statement_kind = skImport; ; + break;} +case 35: +#line 318 "../gnumach/mig/parser.y" +{ yyval.statement_kind = skUImport; ; + break;} +case 36: +#line 319 "../gnumach/mig/parser.y" +{ yyval.statement_kind = skSImport; ; + break;} +case 37: +#line 323 "../gnumach/mig/parser.y" +{ + if (RCSId != strNULL) + warn("previous RCS decl will be ignored"); + if (BeVerbose) + printf("RCSId %s\n\n", yyvsp[0].string); + RCSId = yyvsp[0].string; +; + break;} +case 38: +#line 333 "../gnumach/mig/parser.y" +{ + register identifier_t name = yyvsp[0].type->itName; + + if (itLookUp(name) != itNULL) + warn("overriding previous definition of %s", name); + itInsert(name, yyvsp[0].type); +; + break;} +case 39: +#line 343 "../gnumach/mig/parser.y" +{ itTypeDecl(yyvsp[-2].identifier, yyval.type = yyvsp[0].type); ; + break;} +case 40: +#line 347 "../gnumach/mig/parser.y" +{ yyval.type = itResetType(yyvsp[0].type); ; + break;} +case 41: +#line 350 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-7].type; + + if ((yyval.type->itTransType != strNULL) && !streql(yyval.type->itTransType, yyvsp[-4].identifier)) + warn("conflicting translation types (%s, %s)", + yyval.type->itTransType, yyvsp[-4].identifier); + yyval.type->itTransType = yyvsp[-4].identifier; + + if ((yyval.type->itInTrans != strNULL) && !streql(yyval.type->itInTrans, yyvsp[-3].identifier)) + warn("conflicting in-translation functions (%s, %s)", + yyval.type->itInTrans, yyvsp[-3].identifier); + yyval.type->itInTrans = yyvsp[-3].identifier; + + if ((yyval.type->itServerType != strNULL) && !streql(yyval.type->itServerType, yyvsp[-1].identifier)) + warn("conflicting server types (%s, %s)", + yyval.type->itServerType, yyvsp[-1].identifier); + yyval.type->itServerType = yyvsp[-1].identifier; +; + break;} +case 42: +#line 370 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-7].type; + + if ((yyval.type->itServerType != strNULL) && !streql(yyval.type->itServerType, yyvsp[-4].identifier)) + warn("conflicting server types (%s, %s)", + yyval.type->itServerType, yyvsp[-4].identifier); + yyval.type->itServerType = yyvsp[-4].identifier; + + if ((yyval.type->itOutTrans != strNULL) && !streql(yyval.type->itOutTrans, yyvsp[-3].identifier)) + warn("conflicting out-translation functions (%s, %s)", + yyval.type->itOutTrans, yyvsp[-3].identifier); + yyval.type->itOutTrans = yyvsp[-3].identifier; + + if ((yyval.type->itTransType != strNULL) && !streql(yyval.type->itTransType, yyvsp[-1].identifier)) + warn("conflicting translation types (%s, %s)", + yyval.type->itTransType, yyvsp[-1].identifier); + yyval.type->itTransType = yyvsp[-1].identifier; +; + break;} +case 43: +#line 390 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-6].type; + + if ((yyval.type->itDestructor != strNULL) && !streql(yyval.type->itDestructor, yyvsp[-3].identifier)) + warn("conflicting destructor functions (%s, %s)", + yyval.type->itDestructor, yyvsp[-3].identifier); + yyval.type->itDestructor = yyvsp[-3].identifier; + + if ((yyval.type->itTransType != strNULL) && !streql(yyval.type->itTransType, yyvsp[-1].identifier)) + warn("conflicting translation types (%s, %s)", + yyval.type->itTransType, yyvsp[-1].identifier); + yyval.type->itTransType = yyvsp[-1].identifier; +; + break;} +case 44: +#line 404 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-3].type; + + if ((yyval.type->itUserType != strNULL) && !streql(yyval.type->itUserType, yyvsp[0].identifier)) + warn("conflicting user types (%s, %s)", + yyval.type->itUserType, yyvsp[0].identifier); + yyval.type->itUserType = yyvsp[0].identifier; + + if ((yyval.type->itServerType != strNULL) && !streql(yyval.type->itServerType, yyvsp[0].identifier)) + warn("conflicting server types (%s, %s)", + yyval.type->itServerType, yyvsp[0].identifier); + yyval.type->itServerType = yyvsp[0].identifier; +; + break;} +case 45: +#line 418 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-3].type; + + if ((yyval.type->itUserType != strNULL) && !streql(yyval.type->itUserType, yyvsp[0].identifier)) + warn("conflicting user types (%s, %s)", + yyval.type->itUserType, yyvsp[0].identifier); + yyval.type->itUserType = yyvsp[0].identifier; +; + break;} +case 46: +#line 428 "../gnumach/mig/parser.y" +{ + yyval.type = yyvsp[-3].type; + + if ((yyval.type->itServerType != strNULL) && !streql(yyval.type->itServerType, yyvsp[0].identifier)) + warn("conflicting server types (%s, %s)", + yyval.type->itServerType, yyvsp[0].identifier); + yyval.type->itServerType = yyvsp[0].identifier; +; + break;} +case 47: +#line 439 "../gnumach/mig/parser.y" +{ yyval.type = yyvsp[0].type; ; + break;} +case 48: +#line 441 "../gnumach/mig/parser.y" +{ yyval.type = yyvsp[0].type; ; + break;} +case 49: +#line 443 "../gnumach/mig/parser.y" +{ yyval.type = itVarArrayDecl(yyvsp[-1].number, yyvsp[0].type); ; + break;} +case 50: +#line 445 "../gnumach/mig/parser.y" +{ yyval.type = itArrayDecl(yyvsp[-1].number, yyvsp[0].type); ; + break;} +case 51: +#line 447 "../gnumach/mig/parser.y" +{ yyval.type = itPtrDecl(yyvsp[0].type); ; + break;} +case 52: +#line 449 "../gnumach/mig/parser.y" +{ yyval.type = itStructDecl(yyvsp[-1].number, yyvsp[0].type); ; + break;} +case 53: +#line 451 "../gnumach/mig/parser.y" +{ yyval.type = yyvsp[0].type; ; + break;} +case 54: +#line 455 "../gnumach/mig/parser.y" +{ + yyval.type = itShortDecl(yyvsp[0].symtype.innumber, yyvsp[0].symtype.instr, + yyvsp[0].symtype.outnumber, yyvsp[0].symtype.outstr, + yyvsp[0].symtype.size); +; + break;} +case 55: +#line 462 "../gnumach/mig/parser.y" +{ + yyval.type = itLongDecl(yyvsp[-4].symtype.innumber, yyvsp[-4].symtype.instr, + yyvsp[-4].symtype.outnumber, yyvsp[-4].symtype.outstr, + yyvsp[-4].symtype.size, yyvsp[-2].number, yyvsp[-1].flag); +; + break;} +case 56: +#line 470 "../gnumach/mig/parser.y" +{ yyval.flag = flNone; ; + break;} +case 57: +#line 472 "../gnumach/mig/parser.y" +{ + if (yyvsp[-2].flag & yyvsp[0].flag) + warn("redundant IPC flag ignored"); + else + yyval.flag = yyvsp[-2].flag | yyvsp[0].flag; +; + break;} +case 58: +#line 479 "../gnumach/mig/parser.y" +{ + if (yyvsp[-2].flag != flDealloc) + warn("only Dealloc is variable"); + else + yyval.flag = yyvsp[-4].flag | flMaybeDealloc; +; + break;} +case 59: +#line 488 "../gnumach/mig/parser.y" +{ + yyval.symtype.innumber = yyval.symtype.outnumber = yyvsp[0].number; + yyval.symtype.instr = yyval.symtype.outstr = strNULL; + yyval.symtype.size = 0; +; + break;} +case 60: +#line 494 "../gnumach/mig/parser.y" +{ yyval.symtype = yyvsp[0].symtype; ; + break;} +case 61: +#line 498 "../gnumach/mig/parser.y" +{ yyval.symtype = yyvsp[0].symtype; ; + break;} +case 62: +#line 500 "../gnumach/mig/parser.y" +{ + if (yyvsp[-2].symtype.size != yyvsp[0].symtype.size) + { + if (yyvsp[-2].symtype.size == 0) + yyval.symtype.size = yyvsp[0].symtype.size; + else if (yyvsp[0].symtype.size == 0) + yyval.symtype.size = yyvsp[-2].symtype.size; + else + { + error("sizes in IPCTypes (%d, %d) aren't equal", + yyvsp[-2].symtype.size, yyvsp[0].symtype.size); + yyval.symtype.size = 0; + } + } + else + yyval.symtype.size = yyvsp[-2].symtype.size; + yyval.symtype.innumber = yyvsp[-2].symtype.innumber; + yyval.symtype.instr = yyvsp[-2].symtype.instr; + yyval.symtype.outnumber = yyvsp[0].symtype.outnumber; + yyval.symtype.outstr = yyvsp[0].symtype.outstr; +; + break;} +case 63: +#line 524 "../gnumach/mig/parser.y" +{ yyval.type = itPrevDecl(yyvsp[0].identifier); ; + break;} +case 64: +#line 528 "../gnumach/mig/parser.y" +{ yyval.number = 0; ; + break;} +case 65: +#line 530 "../gnumach/mig/parser.y" +{ yyval.number = 0; ; + break;} +case 66: +#line 533 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number; ; + break;} +case 67: +#line 537 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number; ; + break;} +case 68: +#line 541 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number; ; + break;} +case 69: +#line 545 "../gnumach/mig/parser.y" +{ yyval.type = itCStringDecl(yyvsp[-1].number, FALSE); ; + break;} +case 70: +#line 548 "../gnumach/mig/parser.y" +{ yyval.type = itCStringDecl(yyvsp[-1].number, TRUE); ; + break;} +case 71: +#line 552 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number + yyvsp[0].number; ; + break;} +case 72: +#line 554 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number - yyvsp[0].number; ; + break;} +case 73: +#line 556 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number * yyvsp[0].number; ; + break;} +case 74: +#line 558 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-2].number / yyvsp[0].number; ; + break;} +case 75: +#line 560 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[0].number; ; + break;} +case 76: +#line 562 "../gnumach/mig/parser.y" +{ yyval.number = yyvsp[-1].number; ; + break;} +case 77: +#line 566 "../gnumach/mig/parser.y" +{ yyval.routine = yyvsp[0].routine; ; + break;} +case 78: +#line 567 "../gnumach/mig/parser.y" +{ yyval.routine = yyvsp[0].routine; ; + break;} +case 79: +#line 568 "../gnumach/mig/parser.y" +{ yyval.routine = yyvsp[0].routine; ; + break;} +case 80: +#line 569 "../gnumach/mig/parser.y" +{ yyval.routine = yyvsp[0].routine; ; + break;} +case 81: +#line 570 "../gnumach/mig/parser.y" +{ yyval.routine = yyvsp[0].routine; ; + break;} +case 82: +#line 574 "../gnumach/mig/parser.y" +{ yyval.routine = rtMakeRoutine(yyvsp[-1].identifier, yyvsp[0].argument); ; + break;} +case 83: +#line 578 "../gnumach/mig/parser.y" +{ yyval.routine = rtMakeSimpleRoutine(yyvsp[-1].identifier, yyvsp[0].argument); ; + break;} +case 84: +#line 582 "../gnumach/mig/parser.y" +{ yyval.routine = rtMakeProcedure(yyvsp[-1].identifier, yyvsp[0].argument); ; + break;} +case 85: +#line 586 "../gnumach/mig/parser.y" +{ yyval.routine = rtMakeSimpleProcedure(yyvsp[-1].identifier, yyvsp[0].argument); ; + break;} +case 86: +#line 590 "../gnumach/mig/parser.y" +{ yyval.routine = rtMakeFunction(yyvsp[-2].identifier, yyvsp[-1].argument, yyvsp[0].type); ; + break;} +case 87: +#line 594 "../gnumach/mig/parser.y" +{ yyval.argument = argNULL; ; + break;} +case 88: +#line 596 "../gnumach/mig/parser.y" +{ yyval.argument = yyvsp[-1].argument; ; + break;} +case 89: +#line 601 "../gnumach/mig/parser.y" +{ yyval.argument = yyvsp[0].argument; ; + break;} +case 90: +#line 603 "../gnumach/mig/parser.y" +{ + yyval.argument = yyvsp[-2].argument; + yyval.argument->argNext = yyvsp[0].argument; +; + break;} +case 91: +#line 610 "../gnumach/mig/parser.y" +{ + yyval.argument = argAlloc(); + yyval.argument->argKind = yyvsp[-3].direction; + yyval.argument->argName = yyvsp[-2].identifier; + yyval.argument->argType = yyvsp[-1].type; + yyval.argument->argFlags = yyvsp[0].flag; +; + break;} +case 92: +#line 619 "../gnumach/mig/parser.y" +{ yyval.direction = akNone; ; + break;} +case 93: +#line 620 "../gnumach/mig/parser.y" +{ yyval.direction = akIn; ; + break;} +case 94: +#line 621 "../gnumach/mig/parser.y" +{ yyval.direction = akOut; ; + break;} +case 95: +#line 622 "../gnumach/mig/parser.y" +{ yyval.direction = akInOut; ; + break;} +case 96: +#line 623 "../gnumach/mig/parser.y" +{ yyval.direction = akRequestPort; ; + break;} +case 97: +#line 624 "../gnumach/mig/parser.y" +{ yyval.direction = akReplyPort; ; + break;} +case 98: +#line 625 "../gnumach/mig/parser.y" +{ yyval.direction = akSReplyPort; ; + break;} +case 99: +#line 626 "../gnumach/mig/parser.y" +{ yyval.direction = akUReplyPort; ; + break;} +case 100: +#line 627 "../gnumach/mig/parser.y" +{ yyval.direction = akWaitTime; ; + break;} +case 101: +#line 628 "../gnumach/mig/parser.y" +{ yyval.direction = akMsgOption; ; + break;} +case 102: +#line 629 "../gnumach/mig/parser.y" +{ yyval.direction = akMsgSeqno; ; + break;} +case 103: +#line 633 "../gnumach/mig/parser.y" +{ + yyval.type = itLookUp(yyvsp[0].identifier); + if (yyval.type == itNULL) + error("type '%s' not defined", yyvsp[0].identifier); +; + break;} +case 104: +#line 639 "../gnumach/mig/parser.y" +{ yyval.type = yyvsp[0].type; ; + break;} +case 105: +#line 643 "../gnumach/mig/parser.y" +{ LookString(); ; + break;} +case 106: +#line 647 "../gnumach/mig/parser.y" +{ LookFileName(); ; + break;} +case 107: +#line 651 "../gnumach/mig/parser.y" +{ LookQString(); ; + break;} +} + /* the action file gets copied in in place of this dollarsign */ +#line 487 "/usr/share/bison.simple" + + yyvsp -= yylen; + yyssp -= yylen; +#ifdef YYLSP_NEEDED + yylsp -= yylen; +#endif + +#if YYDEBUG != 0 + if (yydebug) + { + short *ssp1 = yyss - 1; + fprintf (stderr, "state stack now"); + while (ssp1 != yyssp) + fprintf (stderr, " %d", *++ssp1); + fprintf (stderr, "\n"); + } +#endif + + *++yyvsp = yyval; + +#ifdef YYLSP_NEEDED + yylsp++; + if (yylen == 0) + { + yylsp->first_line = yylloc.first_line; + yylsp->first_column = yylloc.first_column; + yylsp->last_line = (yylsp-1)->last_line; + yylsp->last_column = (yylsp-1)->last_column; + yylsp->text = 0; + } + else + { + yylsp->last_line = (yylsp+yylen-1)->last_line; + yylsp->last_column = (yylsp+yylen-1)->last_column; + } +#endif + + /* Now "shift" the result of the reduction. + Determine what state that goes to, + based on the state we popped back to + and the rule number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTBASE] + *yyssp; + if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTBASE]; + + goto yynewstate; + +yyerrlab: /* here on detecting error */ + + if (! yyerrstatus) + /* If not already recovering from an error, report this error. */ + { + ++yynerrs; + +#ifdef YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (yyn > YYFLAG && yyn < YYLAST) + { + int size = 0; + char *msg; + int x, count; + + count = 0; + /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ + for (x = (yyn < 0 ? -yyn : 0); + x < (sizeof(yytname) / sizeof(char *)); x++) + if (yycheck[x + yyn] == x) + size += strlen(yytname[x]) + 15, count++; + msg = (char *) malloc(size + 15); + if (msg != 0) + { + strcpy(msg, "parse error"); + + if (count < 5) + { + count = 0; + for (x = (yyn < 0 ? -yyn : 0); + x < (sizeof(yytname) / sizeof(char *)); x++) + if (yycheck[x + yyn] == x) + { + strcat(msg, count == 0 ? ", expecting `" : " or `"); + strcat(msg, yytname[x]); + strcat(msg, "'"); + count++; + } + } + yyerror(msg); + free(msg); + } + else + yyerror ("parse error; also virtual memory exceeded"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror("parse error"); + } + + goto yyerrlab1; +yyerrlab1: /* here on error raised explicitly by an action */ + + if (yyerrstatus == 3) + { + /* if just tried and failed to reuse lookahead token after an error, discard it. */ + + /* return failure if at end of input */ + if (yychar == YYEOF) + YYABORT; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); +#endif + + yychar = YYEMPTY; + } + + /* Else will try to reuse lookahead token + after shifting the error token. */ + + yyerrstatus = 3; /* Each real token shifted decrements this */ + + goto yyerrhandle; + +yyerrdefault: /* current state does not do anything special for the error token. */ + +#if 0 + /* This is wrong; only states that explicitly want error tokens + should shift them. */ + yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ + if (yyn) goto yydefault; +#endif + +yyerrpop: /* pop the current state because it cannot handle the error token */ + + if (yyssp == yyss) YYABORT; + yyvsp--; + yystate = *--yyssp; +#ifdef YYLSP_NEEDED + yylsp--; +#endif + +#if YYDEBUG != 0 + if (yydebug) + { + short *ssp1 = yyss - 1; + fprintf (stderr, "Error: state stack now"); + while (ssp1 != yyssp) + fprintf (stderr, " %d", *++ssp1); + fprintf (stderr, "\n"); + } +#endif + +yyerrhandle: + + yyn = yypact[yystate]; + if (yyn == YYFLAG) + goto yyerrdefault; + + yyn += YYTERROR; + if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) + goto yyerrdefault; + + yyn = yytable[yyn]; + if (yyn < 0) + { + if (yyn == YYFLAG) + goto yyerrpop; + yyn = -yyn; + goto yyreduce; + } + else if (yyn == 0) + goto yyerrpop; + + if (yyn == YYFINAL) + YYACCEPT; + +#if YYDEBUG != 0 + if (yydebug) + fprintf(stderr, "Shifting error token, "); +#endif + + *++yyvsp = yylval; +#ifdef YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + yystate = yyn; + goto yynewstate; +} +#line 654 "../gnumach/mig/parser.y" + + +static const char * +import_name(statement_kind_t sk) +{ + switch (sk) + { + case skImport: + return "Import"; + case skSImport: + return "SImport"; + case skUImport: + return "UImport"; + default: + fatal("import_name(%d): not import statement", (int) sk); + /*NOTREACHED*/ + } +} diff --git a/mig/parser.h b/mig/parser.h new file mode 100644 index 0000000..5dd38ac --- /dev/null +++ b/mig/parser.h @@ -0,0 +1,87 @@ +typedef union +{ + u_int number; + identifier_t identifier; + const_string_t string; + statement_kind_t statement_kind; + ipc_type_t *type; + struct + { + u_int innumber; /* msgt_name value, when sending */ + const_string_t instr; + u_int outnumber; /* msgt_name value, when receiving */ + const_string_t outstr; + u_int size; /* 0 means there is no default size */ + } symtype; + routine_t *routine; + arg_kind_t direction; + argument_t *argument; + ipc_flags_t flag; +} YYSTYPE; +#define sySkip 258 +#define syRoutine 259 +#define sySimpleRoutine 260 +#define sySimpleProcedure 261 +#define syProcedure 262 +#define syFunction 263 +#define sySubsystem 264 +#define syKernelUser 265 +#define syKernelServer 266 +#define syMsgOption 267 +#define syMsgSeqno 268 +#define syWaitTime 269 +#define syNoWaitTime 270 +#define syErrorProc 271 +#define syServerPrefix 272 +#define syUserPrefix 273 +#define syServerDemux 274 +#define syRCSId 275 +#define syImport 276 +#define syUImport 277 +#define sySImport 278 +#define syIn 279 +#define syOut 280 +#define syInOut 281 +#define syRequestPort 282 +#define syReplyPort 283 +#define sySReplyPort 284 +#define syUReplyPort 285 +#define syType 286 +#define syArray 287 +#define syStruct 288 +#define syOf 289 +#define syInTran 290 +#define syOutTran 291 +#define syDestructor 292 +#define syCType 293 +#define syCUserType 294 +#define syCServerType 295 +#define syCString 296 +#define syColon 297 +#define sySemi 298 +#define syComma 299 +#define syPlus 300 +#define syMinus 301 +#define syStar 302 +#define syDiv 303 +#define syLParen 304 +#define syRParen 305 +#define syEqual 306 +#define syCaret 307 +#define syTilde 308 +#define syLAngle 309 +#define syRAngle 310 +#define syLBrack 311 +#define syRBrack 312 +#define syBar 313 +#define syError 314 +#define syNumber 315 +#define sySymbolicType 316 +#define syIdentifier 317 +#define syString 318 +#define syQString 319 +#define syFileName 320 +#define syIPCFlag 321 + + +extern YYSTYPE yylval; diff --git a/mig/parser.y b/mig/parser.y new file mode 100644 index 0000000..5ff1aae --- /dev/null +++ b/mig/parser.y @@ -0,0 +1,671 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +%token sySkip +%token syRoutine +%token sySimpleRoutine +%token sySimpleProcedure +%token syProcedure +%token syFunction + +%token sySubsystem +%token syKernelUser +%token syKernelServer + +%token syMsgOption +%token syMsgSeqno +%token syWaitTime +%token syNoWaitTime +%token syErrorProc +%token syServerPrefix +%token syUserPrefix +%token syServerDemux +%token syRCSId + +%token syImport +%token syUImport +%token sySImport + +%token syIn +%token syOut +%token syInOut +%token syRequestPort +%token syReplyPort +%token sySReplyPort +%token syUReplyPort + +%token syType +%token syArray +%token syStruct +%token syOf + +%token syInTran +%token syOutTran +%token syDestructor +%token syCType +%token syCUserType +%token syCServerType + +%token syCString + +%token syColon +%token sySemi +%token syComma +%token syPlus +%token syMinus +%token syStar +%token syDiv +%token syLParen +%token syRParen +%token syEqual +%token syCaret +%token syTilde +%token syLAngle +%token syRAngle +%token syLBrack +%token syRBrack +%token syBar + +%token syError /* lex error */ + +%token <number> syNumber +%token <symtype> sySymbolicType +%token <identifier> syIdentifier +%token <string> syString syQString +%token <string> syFileName +%token <flag> syIPCFlag + +%left syPlus,syMinus +%left syStar,syDiv + + +%type <statement_kind> ImportIndicant +%type <number> VarArrayHead ArrayHead StructHead IntExp +%type <type> NamedTypeSpec TransTypeSpec TypeSpec +%type <type> CStringSpec +%type <type> BasicTypeSpec PrevTypeSpec ArgumentType +%type <symtype> PrimIPCType IPCType +%type <routine> RoutineDecl Routine SimpleRoutine +%type <routine> Procedure SimpleProcedure Function +%type <direction> Direction +%type <argument> Argument Arguments ArgumentList +%type <flag> IPCFlags + +%{ + +#include <stdio.h> + +#include "error.h" +#include "lexxer.h" +#include "global.h" +#include "mig_string.h" +#include "type.h" +#include "routine.h" +#include "statement.h" + +static const char *import_name(statement_kind_t sk); + +void +yyerror(const char *s) +{ + error(s); +} +%} + +%union +{ + u_int number; + identifier_t identifier; + const_string_t string; + statement_kind_t statement_kind; + ipc_type_t *type; + struct + { + u_int innumber; /* msgt_name value, when sending */ + const_string_t instr; + u_int outnumber; /* msgt_name value, when receiving */ + const_string_t outstr; + u_int size; /* 0 means there is no default size */ + } symtype; + routine_t *routine; + arg_kind_t direction; + argument_t *argument; + ipc_flags_t flag; +} + +%% + +Statements : /* empty */ + | Statements Statement + ; + +Statement : Subsystem sySemi + | WaitTime sySemi + | MsgOption sySemi + | Error sySemi + | ServerPrefix sySemi + | UserPrefix sySemi + | ServerDemux sySemi + | TypeDecl sySemi + | RoutineDecl sySemi +{ + register statement_t *st = stAlloc(); + + st->stKind = skRoutine; + st->stRoutine = $1; + rtCheckRoutine($1); + if (BeVerbose) + rtPrintRoutine($1); +} + | sySkip sySemi + { rtSkip(1); } + | sySkip syNumber sySemi + { rtSkip($2); } + | Import sySemi + | RCSDecl sySemi + | sySemi + | error sySemi + { yyerrok; } + ; + +Subsystem : SubsystemStart SubsystemMods + SubsystemName SubsystemBase +{ + if (BeVerbose) + { + printf("Subsystem %s: base = %u%s%s\n\n", + SubsystemName, SubsystemBase, + IsKernelUser ? ", KernelUser" : "", + IsKernelServer ? ", KernelServer" : ""); + } +} + ; + +SubsystemStart : sySubsystem +{ + if (SubsystemName != strNULL) + { + warn("previous Subsystem decl (of %s) will be ignored", SubsystemName); + IsKernelUser = FALSE; + IsKernelServer = FALSE; + strfree((string_t) SubsystemName); + } +} + ; + +SubsystemMods : /* empty */ + | SubsystemMods SubsystemMod + ; + +SubsystemMod : syKernelUser +{ + if (IsKernelUser) + warn("duplicate KernelUser keyword"); + IsKernelUser = TRUE; +} + | syKernelServer +{ + if (IsKernelServer) + warn("duplicate KernelServer keyword"); + IsKernelServer = TRUE; +} + ; + +SubsystemName : syIdentifier { SubsystemName = $1; } + ; + +SubsystemBase : syNumber { SubsystemBase = $1; } + ; + +MsgOption : LookString syMsgOption syString +{ + if (streql($3, "MACH_MSG_OPTION_NONE")) + { + MsgOption = strNULL; + if (BeVerbose) + printf("MsgOption: canceled\n\n"); + } + else + { + MsgOption = $3; + if (BeVerbose) + printf("MsgOption %s\n\n",$3); + } +} + ; + +WaitTime : LookString syWaitTime syString +{ + WaitTime = $3; + if (BeVerbose) + printf("WaitTime %s\n\n", WaitTime); +} + | syNoWaitTime +{ + WaitTime = strNULL; + if (BeVerbose) + printf("NoWaitTime\n\n"); +} + ; + +Error : syErrorProc syIdentifier +{ + ErrorProc = $2; + if (BeVerbose) + printf("ErrorProc %s\n\n", ErrorProc); +} + ; + +ServerPrefix : syServerPrefix syIdentifier +{ + ServerPrefix = $2; + if (BeVerbose) + printf("ServerPrefix %s\n\n", ServerPrefix); +} + ; + +UserPrefix : syUserPrefix syIdentifier +{ + UserPrefix = $2; + if (BeVerbose) + printf("UserPrefix %s\n\n", UserPrefix); +} + ; + +ServerDemux : syServerDemux syIdentifier +{ + ServerDemux = $2; + if (BeVerbose) + printf("ServerDemux %s\n\n", ServerDemux); +} + ; + +Import : LookFileName ImportIndicant syFileName +{ + register statement_t *st = stAlloc(); + st->stKind = $2; + st->stFileName = $3; + + if (BeVerbose) + printf("%s %s\n\n", import_name($2), $3); +} + ; + +ImportIndicant : syImport { $$ = skImport; } + | syUImport { $$ = skUImport; } + | sySImport { $$ = skSImport; } + ; + +RCSDecl : LookQString syRCSId syQString +{ + if (RCSId != strNULL) + warn("previous RCS decl will be ignored"); + if (BeVerbose) + printf("RCSId %s\n\n", $3); + RCSId = $3; +} + ; + +TypeDecl : syType NamedTypeSpec +{ + register identifier_t name = $2->itName; + + if (itLookUp(name) != itNULL) + warn("overriding previous definition of %s", name); + itInsert(name, $2); +} + ; + +NamedTypeSpec : syIdentifier syEqual TransTypeSpec + { itTypeDecl($1, $$ = $3); } + ; + +TransTypeSpec : TypeSpec + { $$ = itResetType($1); } + | TransTypeSpec syInTran syColon syIdentifier + syIdentifier syLParen syIdentifier syRParen +{ + $$ = $1; + + if (($$->itTransType != strNULL) && !streql($$->itTransType, $4)) + warn("conflicting translation types (%s, %s)", + $$->itTransType, $4); + $$->itTransType = $4; + + if (($$->itInTrans != strNULL) && !streql($$->itInTrans, $5)) + warn("conflicting in-translation functions (%s, %s)", + $$->itInTrans, $5); + $$->itInTrans = $5; + + if (($$->itServerType != strNULL) && !streql($$->itServerType, $7)) + warn("conflicting server types (%s, %s)", + $$->itServerType, $7); + $$->itServerType = $7; +} + | TransTypeSpec syOutTran syColon syIdentifier + syIdentifier syLParen syIdentifier syRParen +{ + $$ = $1; + + if (($$->itServerType != strNULL) && !streql($$->itServerType, $4)) + warn("conflicting server types (%s, %s)", + $$->itServerType, $4); + $$->itServerType = $4; + + if (($$->itOutTrans != strNULL) && !streql($$->itOutTrans, $5)) + warn("conflicting out-translation functions (%s, %s)", + $$->itOutTrans, $5); + $$->itOutTrans = $5; + + if (($$->itTransType != strNULL) && !streql($$->itTransType, $7)) + warn("conflicting translation types (%s, %s)", + $$->itTransType, $7); + $$->itTransType = $7; +} + | TransTypeSpec syDestructor syColon syIdentifier + syLParen syIdentifier syRParen +{ + $$ = $1; + + if (($$->itDestructor != strNULL) && !streql($$->itDestructor, $4)) + warn("conflicting destructor functions (%s, %s)", + $$->itDestructor, $4); + $$->itDestructor = $4; + + if (($$->itTransType != strNULL) && !streql($$->itTransType, $6)) + warn("conflicting translation types (%s, %s)", + $$->itTransType, $6); + $$->itTransType = $6; +} + | TransTypeSpec syCType syColon syIdentifier +{ + $$ = $1; + + if (($$->itUserType != strNULL) && !streql($$->itUserType, $4)) + warn("conflicting user types (%s, %s)", + $$->itUserType, $4); + $$->itUserType = $4; + + if (($$->itServerType != strNULL) && !streql($$->itServerType, $4)) + warn("conflicting server types (%s, %s)", + $$->itServerType, $4); + $$->itServerType = $4; +} + | TransTypeSpec syCUserType syColon syIdentifier +{ + $$ = $1; + + if (($$->itUserType != strNULL) && !streql($$->itUserType, $4)) + warn("conflicting user types (%s, %s)", + $$->itUserType, $4); + $$->itUserType = $4; +} + | TransTypeSpec syCServerType + syColon syIdentifier +{ + $$ = $1; + + if (($$->itServerType != strNULL) && !streql($$->itServerType, $4)) + warn("conflicting server types (%s, %s)", + $$->itServerType, $4); + $$->itServerType = $4; +} + ; + +TypeSpec : BasicTypeSpec + { $$ = $1; } + | PrevTypeSpec + { $$ = $1; } + | VarArrayHead TypeSpec + { $$ = itVarArrayDecl($1, $2); } + | ArrayHead TypeSpec + { $$ = itArrayDecl($1, $2); } + | syCaret TypeSpec + { $$ = itPtrDecl($2); } + | StructHead TypeSpec + { $$ = itStructDecl($1, $2); } + | CStringSpec + { $$ = $1; } + ; + +BasicTypeSpec : IPCType +{ + $$ = itShortDecl($1.innumber, $1.instr, + $1.outnumber, $1.outstr, + $1.size); +} + | syLParen IPCType syComma IntExp + IPCFlags syRParen +{ + $$ = itLongDecl($2.innumber, $2.instr, + $2.outnumber, $2.outstr, + $2.size, $4, $5); +} + ; + +IPCFlags : /* empty */ + { $$ = flNone; } + | IPCFlags syComma syIPCFlag +{ + if ($1 & $3) + warn("redundant IPC flag ignored"); + else + $$ = $1 | $3; +} + | IPCFlags syComma syIPCFlag syLBrack syRBrack +{ + if ($3 != flDealloc) + warn("only Dealloc is variable"); + else + $$ = $1 | flMaybeDealloc; +} + ; + +PrimIPCType : syNumber +{ + $$.innumber = $$.outnumber = $1; + $$.instr = $$.outstr = strNULL; + $$.size = 0; +} + | sySymbolicType + { $$ = $1; } + ; + +IPCType : PrimIPCType + { $$ = $1; } + | PrimIPCType syBar PrimIPCType +{ + if ($1.size != $3.size) + { + if ($1.size == 0) + $$.size = $3.size; + else if ($3.size == 0) + $$.size = $1.size; + else + { + error("sizes in IPCTypes (%d, %d) aren't equal", + $1.size, $3.size); + $$.size = 0; + } + } + else + $$.size = $1.size; + $$.innumber = $1.innumber; + $$.instr = $1.instr; + $$.outnumber = $3.outnumber; + $$.outstr = $3.outstr; +} + ; + +PrevTypeSpec : syIdentifier + { $$ = itPrevDecl($1); } + ; + +VarArrayHead : syArray syLBrack syRBrack syOf + { $$ = 0; } + | syArray syLBrack syStar syRBrack syOf + { $$ = 0; } + | syArray syLBrack syStar syColon IntExp + syRBrack syOf + { $$ = $5; } + ; + +ArrayHead : syArray syLBrack IntExp syRBrack syOf + { $$ = $3; } + ; + +StructHead : syStruct syLBrack IntExp syRBrack syOf + { $$ = $3; } + ; + +CStringSpec : syCString syLBrack IntExp syRBrack + { $$ = itCStringDecl($3, FALSE); } + | syCString syLBrack syStar syColon + IntExp syRBrack + { $$ = itCStringDecl($5, TRUE); } + ; + +IntExp : IntExp syPlus IntExp + { $$ = $1 + $3; } + | IntExp syMinus IntExp + { $$ = $1 - $3; } + | IntExp syStar IntExp + { $$ = $1 * $3; } + | IntExp syDiv IntExp + { $$ = $1 / $3; } + | syNumber + { $$ = $1; } + | syLParen IntExp syRParen + { $$ = $2; } + ; + + +RoutineDecl : Routine { $$ = $1; } + | SimpleRoutine { $$ = $1; } + | Procedure { $$ = $1; } + | SimpleProcedure { $$ = $1; } + | Function { $$ = $1; } + ; + +Routine : syRoutine syIdentifier Arguments + { $$ = rtMakeRoutine($2, $3); } + ; + +SimpleRoutine : sySimpleRoutine syIdentifier Arguments + { $$ = rtMakeSimpleRoutine($2, $3); } + ; + +Procedure : syProcedure syIdentifier Arguments + { $$ = rtMakeProcedure($2, $3); } + ; + +SimpleProcedure : sySimpleProcedure syIdentifier Arguments + { $$ = rtMakeSimpleProcedure($2, $3); } + ; + +Function : syFunction syIdentifier Arguments ArgumentType + { $$ = rtMakeFunction($2, $3, $4); } + ; + +Arguments : syLParen syRParen + { $$ = argNULL; } + | syLParen ArgumentList syRParen + { $$ = $2; } + + ; + +ArgumentList : Argument + { $$ = $1; } + | Argument sySemi ArgumentList +{ + $$ = $1; + $$->argNext = $3; +} + ; + +Argument : Direction syIdentifier ArgumentType IPCFlags +{ + $$ = argAlloc(); + $$->argKind = $1; + $$->argName = $2; + $$->argType = $3; + $$->argFlags = $4; +} + ; + +Direction : /* empty */ { $$ = akNone; } + | syIn { $$ = akIn; } + | syOut { $$ = akOut; } + | syInOut { $$ = akInOut; } + | syRequestPort { $$ = akRequestPort; } + | syReplyPort { $$ = akReplyPort; } + | sySReplyPort { $$ = akSReplyPort; } + | syUReplyPort { $$ = akUReplyPort; } + | syWaitTime { $$ = akWaitTime; } + | syMsgOption { $$ = akMsgOption; } + | syMsgSeqno { $$ = akMsgSeqno; } + ; + +ArgumentType : syColon syIdentifier +{ + $$ = itLookUp($2); + if ($$ == itNULL) + error("type '%s' not defined", $2); +} + | syColon NamedTypeSpec + { $$ = $2; } + ; + +LookString : /* empty */ + { LookString(); } + ; + +LookFileName : /* empty */ + { LookFileName(); } + ; + +LookQString : /* empty */ + { LookQString(); } + ; + +%% + +static const char * +import_name(statement_kind_t sk) +{ + switch (sk) + { + case skImport: + return "Import"; + case skSImport: + return "SImport"; + case skUImport: + return "UImport"; + default: + fatal("import_name(%d): not import statement", (int) sk); + /*NOTREACHED*/ + } +} diff --git a/mig/routine.c b/mig/routine.c new file mode 100644 index 0000000..70707bd --- /dev/null +++ b/mig/routine.c @@ -0,0 +1,1334 @@ +/* + * Mach Operating System + * Copyright (c) 1992,1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +/* + * ABSTRACT: + * Provides the routine used by parser.c to generate + * routine structures for each routine statement. + * The parser generates a threaded list of statements + * of which the most interesting are the various kinds + * routine statments. The routine structure is defined + * in routine.h which includes it name, kind of routine + * and other information, + * a pointer to an argument list which contains the name + * and type information for each argument, and a list + * of distinguished arguments, eg. Request and Reply + * ports, waittime, retcode etc. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "error.h" +#include "global.h" +#include "routine.h" +#include "message.h" + +u_int rtNumber = 0; + +routine_t * +rtAlloc(void) +{ + register routine_t *new; + + new = (routine_t *) calloc(1, sizeof *new); + if (new == rtNULL) + fatal("rtAlloc(): %s", unix_error_string(errno)); + new->rtNumber = rtNumber++; + new->rtName = strNULL; + new->rtErrorName = strNULL; + new->rtUserName = strNULL; + new->rtServerName = strNULL; + + return new; +} + +void +rtSkip(int n) +{ + rtNumber += n; +} + +argument_t * +argAlloc(void) +{ + static const argument_t prototype = + { + strNULL, /* identifier_t argName */ + argNULL, /* argument_t *argNext */ + akNone, /* arg_kind_t argKind */ + itNULL, /* ipc_type_t *argType */ + strNULL, /* string_t argVarName */ + strNULL, /* string_t argMsgField */ + strNULL, /* string_t argTTName */ + strNULL, /* string_t argPadName */ + flNone, /* ipc_flags_t argFlags */ + d_NO, /* dealloc_t argDeallocate */ + FALSE, /* boolean_t argLongForm */ + FALSE, /* boolean_t argServerCopy */ + FALSE, /* boolean_t argCountInOut */ + rtNULL, /* routine_t *argRoutine */ + argNULL, /* argument_t *argCount */ + argNULL, /* argument_t *argCInOut */ + argNULL, /* argument_t *argPoly */ + argNULL, /* argument_t *argDealloc */ + argNULL, /* argument_t *argSCopy */ + argNULL, /* argument_t *argParent */ + 1, /* int argMultiplier */ + 0, /* int argRequestPos */ + 0, /* int argReplyPos */ + FALSE, /* boolean_t argByReferenceUser */ + FALSE /* boolean_t argByReferenceServer */ + }; + register argument_t *new; + + new = malloc(sizeof *new); + if (new == argNULL) + fatal("argAlloc(): %s", unix_error_string(errno)); + *new = prototype; + return new; +} + +routine_t * +rtMakeRoutine(identifier_t name, argument_t *args) +{ + register routine_t *rt = rtAlloc(); + + rt->rtName = name; + rt->rtKind = rkRoutine; + rt->rtArgs = args; + + return rt; +} + +routine_t * +rtMakeSimpleRoutine(identifier_t name, argument_t *args) +{ + register routine_t *rt = rtAlloc(); + + rt->rtName = name; + rt->rtKind = rkSimpleRoutine; + rt->rtArgs = args; + + return rt; +} + +routine_t * +rtMakeProcedure(identifier_t name, argument_t *args) +{ + register routine_t *rt = rtAlloc(); + + rt->rtName = name; + rt->rtKind = rkProcedure; + rt->rtArgs = args; + + warn("Procedure %s: obsolete routine kind", name); + + return rt; +} + +routine_t * +rtMakeSimpleProcedure(identifier_t name, argument_t *args) +{ + register routine_t *rt = rtAlloc(); + + rt->rtName = name; + rt->rtKind = rkSimpleProcedure; + rt->rtArgs = args; + + warn("SimpleProcedure %s: obsolete routine kind", name); + + return rt; +} + +routine_t * +rtMakeFunction(identifier_t name, argument_t *args, ipc_type_t *type) +{ + register routine_t *rt = rtAlloc(); + register argument_t *ret = argAlloc(); + + ret->argName = name; + ret->argKind = akReturn; + ret->argType = type; + ret->argNext = args; + + rt->rtName = name; + rt->rtKind = rkFunction; + rt->rtArgs = ret; + + warn("Function %s: obsolete routine kind", name); + + return rt; +} + +const char * +rtRoutineKindToStr(routine_kind_t rk) +{ + switch (rk) + { + case rkRoutine: + return "Routine"; + case rkSimpleRoutine: + return "SimpleRoutine"; + case rkProcedure: + return "Procedure"; + case rkSimpleProcedure: + return "SimpleProcedure"; + case rkFunction: + return "Function"; + default: + fatal("rtRoutineKindToStr(%d): not a routine_kind_t", rk); + /*NOTREACHED*/ + } +} + +static void +rtPrintArg(register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + if (!akCheck(arg->argKind, akbUserArg|akbServerArg) || + (akIdent(arg->argKind) == akeCount) || + (akIdent(arg->argKind) == akePoly)) + return; + + printf("\n\t"); + + switch (akIdent(arg->argKind)) + { + case akeRequestPort: + printf("RequestPort"); + break; + case akeReplyPort: + printf("ReplyPort"); + break; + case akeWaitTime: + printf("WaitTime"); + break; + case akeMsgOption: + printf("MsgOption"); + break; + case akeMsgSeqno: + printf("MsgSeqno\t"); + break; + default: + if (akCheck(arg->argKind, akbRequest)) + if (akCheck(arg->argKind, akbSend)) + printf("In"); + else + printf("(In)"); + if (akCheck(arg->argKind, akbReply)) + if (akCheck(arg->argKind, akbReturn)) + printf("Out"); + else + printf("(Out)"); + printf("\t"); + } + + printf("\t%s: %s", arg->argName, it->itName); + + if (arg->argDeallocate != it->itDeallocate) + if (arg->argDeallocate == d_YES) + printf(", Dealloc"); + else if (arg->argDeallocate == d_MAYBE) + printf(", Dealloc[]"); + else + printf(", NotDealloc"); + + if (arg->argLongForm != it->itLongForm) + if (arg->argLongForm) + printf(", IsLong"); + else + printf(", IsNotLong"); + + if (arg->argServerCopy) + printf(", ServerCopy"); + + if (arg->argCountInOut) + printf(", CountInOut"); +} + +void +rtPrintRoutine(register const routine_t *rt) +{ + register const argument_t *arg; + + printf("%s (%d) %s(", rtRoutineKindToStr(rt->rtKind), + rt->rtNumber, rt->rtName); + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) + rtPrintArg(arg); + + if (rt->rtKind == rkFunction) + printf("): %s\n", rt->rtReturn->argType->itName); + else + printf(")\n"); + + printf("\n"); +} + +/* + * Determines appropriate value of msg-simple for the message, + * and whether this value can vary at runtime. (If it can vary, + * then the simple value is optimistically returned as TRUE.) + * Uses itInName values, so useful when sending messages. + */ + +static void +rtCheckSimpleIn(const argument_t *args, u_int mask, boolean_t *fixed, + boolean_t *simple) +{ + register const argument_t *arg; + boolean_t MayBeComplex = FALSE; + boolean_t MustBeComplex = FALSE; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheck(arg->argKind, mask)) + { + register const ipc_type_t *it = arg->argType; + + if (it->itInName == MACH_MSG_TYPE_POLYMORPHIC) + MayBeComplex = TRUE; + + if (it->itIndefinite) + MayBeComplex = TRUE; + + if (MACH_MSG_TYPE_PORT_ANY(it->itInName) || + !it->itInLine) + MustBeComplex = TRUE; + } + + *fixed = MustBeComplex || !MayBeComplex; + *simple = !MustBeComplex; +} + +/* + * Determines appropriate value of msg-simple for the message, + * and whether this value can vary at runtime. (If it can vary, + * then the simple value is optimistically returned as TRUE.) + * Uses itOutName values, so useful when receiving messages + * (and sending reply messages in KernelServer interfaces). + */ + +static void +rtCheckSimpleOut(const argument_t *args, u_int mask, boolean_t *fixed, + boolean_t *simple) +{ + register const argument_t *arg; + boolean_t MayBeComplex = FALSE; + boolean_t MustBeComplex = FALSE; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheck(arg->argKind, mask)) + { + register const ipc_type_t *it = arg->argType; + + if (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC) + MayBeComplex = TRUE; + + if (it->itIndefinite) + MayBeComplex = TRUE; + + if (MACH_MSG_TYPE_PORT_ANY(it->itOutName) || + !it->itInLine) + MustBeComplex = TRUE; + } + + *fixed = MustBeComplex || !MayBeComplex; + *simple = !MustBeComplex; +} + +static u_int +rtFindSize(const argument_t *args, u_int mask) +{ + register const argument_t *arg; + u_int size = sizeof_mach_msg_header_t; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheck(arg->argKind, mask)) + { + register ipc_type_t *it = arg->argType; + + if (arg->argLongForm) { + /* might need proper alignment on 64bit archies */ + size = (size + word_size-1) & ~(word_size-1); + size += sizeof_mach_msg_type_long_t; + } else { + register bs = (it->itSize / 8); /* in bytes */ + size += (bs > sizeof_mach_msg_type_t) ? bs : sizeof_mach_msg_type_t; + } + + size += it->itMinTypeSize; + } + + return size; +} + +boolean_t +rtCheckMask(const argument_t *args, u_int mask) +{ + register const argument_t *arg; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheckAll(arg->argKind, mask)) + return TRUE; + return FALSE; +} + +boolean_t +rtCheckMaskFunction(const argument_t *args, u_int mask, + boolean_t (*func)(const argument_t *)) +{ + register const argument_t *arg; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheckAll(arg->argKind, mask)) + if ((*func)(arg)) + return TRUE; + return FALSE; +} + +/* arg->argType may be NULL in this function */ + +static void +rtDefaultArgKind(const routine_t *rt, argument_t *arg) +{ + if ((arg->argKind == akNone) && + (rt->rtRequestPort == argNULL)) + arg->argKind = akRequestPort; + + if (arg->argKind == akNone) + arg->argKind = akIn; +} + +/* + * Initializes arg->argDeallocate, arg->argLongForm, + * arg->argServerCopy, arg->argCountInOut from arg->argFlags. + */ + +static void +rtProcessArgFlags(register argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + arg->argFlags = itCheckFlags(arg->argFlags, arg->argName); + + if (((IsKernelServer && akCheck(arg->argKind, akbReturn)) || + (IsKernelUser && akCheck(arg->argKind, akbSend))) && + (arg->argFlags & flDealloc) && + (it->itDeallocate == d_NO)) { + /* + * For a KernelServer interface and an Out argument, + * or a KernelUser interface and an In argument, + * we avoid a possible spurious warning about the deallocate bit. + * For compatibility with Mach 2.5, the deallocate bit + * may need to be enabled on some inline arguments. + */ + + arg->argDeallocate = d_YES; + } else + arg->argDeallocate = itCheckDeallocate(it, arg->argFlags, + it->itDeallocate, arg->argName); + + arg->argLongForm = itCheckIsLong(it, arg->argFlags, + it->itLongForm, arg->argName); + + if (arg->argFlags & flServerCopy) { + if (it->itIndefinite && akCheck(arg->argKind, akbSend)) + arg->argServerCopy = TRUE; + else + warn("%s: ServerCopy on argument is meaningless", arg->argName); + } + + if (arg->argFlags & flCountInOut) { + if (it->itVarArray && it->itInLine && + akCheck(arg->argKind, akbReply)) + arg->argCountInOut = TRUE; + else + warn("%s: CountInOut on argument is meaningless", arg->argName); + } +} + +static void +rtAugmentArgKind(argument_t *arg) +{ + register ipc_type_t *it = arg->argType; + + /* akbVariable means variable-sized inline. */ + + if (it->itVarArray && it->itInLine) + { + if (akCheckAll(arg->argKind, akbRequest|akbReply)) + error("%s: Inline variable-sized arguments can't be InOut", + arg->argName); + arg->argKind = akAddFeature(arg->argKind, akbVariable); + + /* akbIndefinite means inline or out-of-line */ + + if (it->itIndefinite) + arg->argKind = akAddFeature(arg->argKind, akbIndefinite); + } + + /* + * Kernel servers can't do quick-checking of request arguments + * which are out-of-line or ports, because the deallocate bit isn't + * predictable. This is because the deallocate bit is preserved + * at message copyin time and normalized during message copyout. + * This accomodates old IPC programs which expect the deallocate + * bit to be preserved. + */ + + if (akCheck(arg->argKind, akbRequest) && + !arg->argLongForm && + (it->itOutName != MACH_MSG_TYPE_POLYMORPHIC) && + !it->itVarArray && + !(IsKernelServer && (!it->itInLine || + MACH_MSG_TYPE_PORT_ANY(it->itOutName)))) + arg->argKind = akAddFeature(arg->argKind, akbRequestQC); + + if (akCheck(arg->argKind, akbReply) && + !arg->argLongForm && + (it->itOutName != MACH_MSG_TYPE_POLYMORPHIC) && + !it->itVarArray) + arg->argKind = akAddFeature(arg->argKind, akbReplyQC); + + /* + * Need to use a local variable in the following cases: + * 1) There is a translate-out function & the argument is being + * returned. We need to translate it before it hits the message. + * 2) There is a translate-in function & the argument is + * sent and returned. We need a local variable for its address. + * 3) There is a destructor function, which will be used + * (SendRcv and not ReturnSnd), and there is a translate-in + * function whose value must be saved for the destructor. + * 4) This is a count arg, getting returned. The count can't get + * stored directly into the msg-type, because the msg-type won't + * get initialized until later, and that would trash the count. + * 5) This is a poly arg, getting returned. The name can't get + * stored directly into the msg-type, because the msg-type won't + * get initialized until later, and that would trash the name. + * 6) This is a dealloc arg, being returned. The name can't be + * stored directly into the msg_type, because the msg-type + * field is a bit-field. + */ + + if (((it->itOutTrans != strNULL) && + akCheck(arg->argKind, akbReturnSnd)) || + ((it->itInTrans != strNULL) && + akCheckAll(arg->argKind, akbSendRcv|akbReturnSnd)) || + ((it->itDestructor != strNULL) && + akCheck(arg->argKind, akbSendRcv) && + !akCheck(arg->argKind, akbReturnSnd) && + (it->itInTrans != strNULL)) || + ((akIdent(arg->argKind) == akeCount) && + akCheck(arg->argKind, akbReturnSnd)) || + ((akIdent(arg->argKind) == akePoly) && + akCheck(arg->argKind, akbReturnSnd)) || + ((akIdent(arg->argKind) == akeDealloc) && + akCheck(arg->argKind, akbReturnSnd))) + { + arg->argKind = akRemFeature(arg->argKind, akbReplyCopy); + arg->argKind = akAddFeature(arg->argKind, akbVarNeeded); + } + + /* + * If the argument is a variable-length array that can be passed in-line + * or out-of-line, and is being returned, the server procedure + * is passed a pointer to the buffer, which it can change. + */ + if (it->itIndefinite && + akCheck(arg->argKind, akbReturnSnd)) + { + arg->argKind = akAddFeature(arg->argKind, akbPointer); + } +} + +/* arg->argType may be NULL in this function */ + +static void +rtCheckRoutineArg(routine_t *rt, argument_t *arg) +{ + switch (akIdent(arg->argKind)) + { + case akeRequestPort: + if (rt->rtRequestPort != argNULL) + warn("multiple RequestPort args in %s; %s won't be used", + rt->rtName, rt->rtRequestPort->argName); + rt->rtRequestPort = arg; + break; + + case akeReplyPort: + if (akCheck (arg->argKind, akbUserArg)) + { + if (rt->rtUReplyPort != argNULL) + warn("multiple UserReplyPort args in %s; %s won't be used", + rt->rtName, rt->rtUReplyPort->argName); + rt->rtUReplyPort = arg; + } + if (akCheck (arg->argKind, akbServerArg)) + { + if (rt->rtSReplyPort != argNULL) + warn("multiple ServerReplyPort args in %s; %s won't be used", + rt->rtName, rt->rtSReplyPort->argName); + rt->rtSReplyPort = arg; + } + break; + + case akeWaitTime: + if (rt->rtWaitTime != argNULL) + warn("multiple WaitTime args in %s; %s won't be used", + rt->rtName, rt->rtWaitTime->argName); + rt->rtWaitTime = arg; + break; + + case akeMsgOption: + if (rt->rtMsgOption != argNULL) + warn("multiple MsgOption args in %s; %s won't be used", + rt->rtName, rt->rtMsgOption->argName); + rt->rtMsgOption = arg; + break; + + case akeMsgSeqno: + if (rt->rtMsgSeqno != argNULL) + warn("multiple MsgSeqno args in %s; %s won't be used", + rt->rtName, rt->rtMsgSeqno->argName); + rt->rtMsgSeqno = arg; + break; + + case akeReturn: + if (rt->rtReturn != argNULL) + warn("multiple Return args in %s; %s won't be used", + rt->rtName, rt->rtReturn->argName); + rt->rtReturn = arg; + break; + + default: + break; + } +} + +/* arg->argType may be NULL in this function */ + +static void +rtSetArgDefaults(routine_t *rt, register argument_t *arg) +{ + arg->argRoutine = rt; + if (arg->argVarName == strNULL) + arg->argVarName = arg->argName; + if (arg->argMsgField == strNULL) + switch(akIdent(arg->argKind)) + { + case akeRequestPort: + arg->argMsgField = "Head.msgh_request_port"; + break; + case akeReplyPort: + arg->argMsgField = "Head.msgh_reply_port"; + break; + case akeMsgSeqno: + arg->argMsgField = "Head.msgh_seqno"; + break; + default: + arg->argMsgField = arg->argName; + break; + } + if (arg->argTTName == strNULL) + arg->argTTName = strconcat(arg->argName, "Type"); + if (arg->argPadName == strNULL) + arg->argPadName = strconcat(arg->argName, "Pad"); + + /* + * The poly args for the request and reply ports have special defaults, + * because their msg-type-name values aren't stored in normal fields. + */ + + if ((rt->rtRequestPort != argNULL) && + (rt->rtRequestPort->argPoly == arg) && + (arg->argType != itNULL)) { + arg->argMsgField = "Head.msgh_bits"; + arg->argType->itInTrans = "MACH_MSGH_BITS_REQUEST"; + } + + if ((rt->rtUReplyPort != argNULL) && + (rt->rtUReplyPort->argPoly == arg) && + (arg->argType != itNULL)) { + arg->argMsgField = "Head.msgh_bits"; + arg->argType->itInTrans = "MACH_MSGH_BITS_REPLY"; + } + if ((rt->rtSReplyPort != argNULL) && + (rt->rtSReplyPort->argPoly == arg) && + (arg->argType != itNULL)) { + arg->argMsgField = "Head.msgh_bits"; + arg->argType->itInTrans = "MACH_MSGH_BITS_REPLY"; + } +} + +static void +rtAddCountArg(register argument_t *arg) +{ + register argument_t *count; + + count = argAlloc(); + count->argName = strconcat(arg->argName, "Cnt"); + count->argType = itMakeCountType(); + count->argParent = arg; + count->argMultiplier = arg->argType->itElement->itNumber; + count->argNext = arg->argNext; + arg->argNext = count; + arg->argCount = count; + + if (arg->argType->itString) { + /* C String gets no Count argument on either side. + There is no explicit field in the message - + the count is passed as part of the descriptor. */ + count->argKind = akeCount; + count->argVarName = (char *)0; + } else + count->argKind = akAddFeature(akCount, + akCheck(arg->argKind, akbSendReturnBits)); + + if (arg->argLongForm) + count->argMsgField = strconcat(arg->argTTName, + ".msgtl_number"); + else + count->argMsgField = strconcat(arg->argTTName, ".msgt_number"); +} + +static void +rtAddCountInOutArg(register argument_t *arg) +{ + register argument_t *count; + + /* + * The user sees a single count variable. However, to get the + * count passed from user to server for variable-sized inline OUT + * arrays, we need two count arguments internally. This is + * because the count value lives in different message fields (and + * is scaled differently) in the request and reply messages. + * + * The two variables have the same name to simplify code generation. + * + * This variable has a null argParent field because it has akbRequest. + * For example, see rtCheckVariable. + */ + + count = argAlloc(); + count->argName = strconcat(arg->argName, "Cnt"); + count->argType = itMakeCountType(); + count->argParent = argNULL; + count->argNext = arg->argNext; + arg->argNext = count; + (count->argCInOut = arg->argCount)->argCInOut = count; + count->argKind = akCountInOut; +} + +static void +rtAddPolyArg(register argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + register argument_t *poly; + arg_kind_t akbsend, akbreturn; + + poly = argAlloc(); + poly->argName = strconcat(arg->argName, "Poly"); + poly->argType = itMakePolyType(); + poly->argParent = arg; + poly->argNext = arg->argNext; + arg->argNext = poly; + arg->argPoly = poly; + + /* + * akbsend is bits added if the arg is In; + * akbreturn is bits added if the arg is Out. + * The mysterious business with KernelServer subsystems: + * when packing Out arguments, they use OutNames instead + * of InNames, and the OutName determines if they are poly-in + * as well as poly-out. + */ + + akbsend = akbSend|akbSendBody; + akbreturn = akbReturn|akbReturnBody; + + if (it->itInName == MACH_MSG_TYPE_POLYMORPHIC) + { + akbsend |= akbUserArg|akbSendSnd; + if (!IsKernelServer) + akbreturn |= akbServerArg|akbReturnSnd; + } + if (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC) + { + akbsend |= akbServerArg|akbSendRcv; + akbreturn |= akbUserArg|akbReturnRcv; + if (IsKernelServer) + akbreturn |= akbServerArg|akbReturnSnd; + } + + poly->argKind = akPoly; + if (akCheck(arg->argKind, akbSend)) + poly->argKind = akAddFeature(poly->argKind, + akCheck(arg->argKind, akbsend)); + if (akCheck(arg->argKind, akbReturn)) + poly->argKind = akAddFeature(poly->argKind, + akCheck(arg->argKind, akbreturn)); + + if (arg->argLongForm) + poly->argMsgField = strconcat(arg->argTTName, + ".msgtl_name"); + else + poly->argMsgField = strconcat(arg->argTTName, ".msgt_name"); +} + +static void +rtAddDeallocArg(register argument_t *arg) +{ + register argument_t *dealloc; + + dealloc = argAlloc(); + dealloc->argName = strconcat(arg->argName, "Dealloc"); + dealloc->argType = itMakeDeallocType(); + dealloc->argParent = arg; + dealloc->argNext = arg->argNext; + arg->argNext = dealloc; + arg->argDealloc = dealloc; + + /* + * For Indefinite types, we leave out akbSendSnd and akbReturnSnd + * so that the normal argument-packing is bypassed. The special code + * generated for the Indefinite argument handles the deallocate bit. + * (It can only be enabled if the data is actually out-of-line.) + */ + + dealloc->argKind = akeDealloc; + if (akCheck(arg->argKind, akbSend)) + dealloc->argKind = akAddFeature(dealloc->argKind, + akCheck(arg->argKind, + akbUserArg|akbSend|akbSendBody| + (arg->argType->itIndefinite ? 0 : akbSendSnd))); + if (akCheck(arg->argKind, akbReturn)) { + dealloc->argKind = akAddFeature(dealloc->argKind, + akCheck(arg->argKind, + akbServerArg|akbReturn|akbReturnBody| + (arg->argType->itIndefinite ? 0 : akbReturnSnd))); + + /* + * Without akbReturnSnd, rtAugmentArgKind will not add + * akbVarNeeded and rtAddByReference will not set + * argByReferenceServer. So we do it here. + */ + + if (arg->argType->itIndefinite) { + dealloc->argKind = akAddFeature(dealloc->argKind, akbVarNeeded); + dealloc->argByReferenceServer = TRUE; + } + } + + if (arg->argLongForm) + dealloc->argMsgField = strconcat(arg->argTTName, + ".msgtl_header.msgt_deallocate"); + else + dealloc->argMsgField = strconcat(arg->argTTName, ".msgt_deallocate"); + +} + +static void +rtAddSCopyArg(register argument_t *arg) +{ + register argument_t *scopy; + + scopy = argAlloc(); + scopy->argName = strconcat(arg->argName, "SCopy"); + scopy->argType = itMakeDeallocType(); + scopy->argParent = arg; + scopy->argNext = arg->argNext; + arg->argNext = scopy; + arg->argSCopy = scopy; + + scopy->argKind = akServerCopy; + + if (arg->argLongForm) + scopy->argMsgField = strconcat(arg->argTTName, + ".msgtl_header.msgt_inline"); + else + scopy->argMsgField = strconcat(arg->argTTName, ".msgt_inline"); +} + +static void +rtCheckRoutineArgs(routine_t *rt) +{ + register argument_t *arg; + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) + { + register const ipc_type_t *it = arg->argType; + + rtDefaultArgKind(rt, arg); + rtCheckRoutineArg(rt, arg); + + /* need to set argTTName before adding implicit args */ + rtSetArgDefaults(rt, arg); + + /* the arg may not have a type (if there was some error in parsing it), + in which case we don't want to do these steps. */ + + if (it != itNULL) + { + /* need to set argLongForm before adding implicit args */ + rtProcessArgFlags(arg); + rtAugmentArgKind(arg); + + /* args added here will get processed in later iterations */ + /* order of args is 'arg poly countinout count dealloc scopy' */ + + if (arg->argServerCopy) + rtAddSCopyArg(arg); + if (arg->argDeallocate == d_MAYBE) + rtAddDeallocArg(arg); + if (it->itVarArray) + rtAddCountArg(arg); + if (arg->argCountInOut) + rtAddCountInOutArg(arg); + if ((it->itInName == MACH_MSG_TYPE_POLYMORPHIC) || + (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC)) + rtAddPolyArg(arg); + } + } +} + +static void +rtCheckArgTypes(routine_t *rt) +{ + if (rt->rtRequestPort == argNULL) + error("%s %s doesn't have a server port argument", + rtRoutineKindToStr(rt->rtKind), rt->rtName); + + if ((rt->rtKind == rkFunction) && + (rt->rtReturn == argNULL)) + error("Function %s doesn't have a return arg", rt->rtName); + + if ((rt->rtKind != rkFunction) && + (rt->rtReturn != argNULL)) + error("non-function %s has a return arg", rt->rtName); + + if ((rt->rtReturn == argNULL) && !rt->rtProcedure) + rt->rtReturn = rt->rtRetCode; + + rt->rtServerReturn = rt->rtReturn; + + if ((rt->rtReturn != argNULL) && + (rt->rtReturn->argType != itNULL)) + itCheckReturnType(rt->rtReturn->argName, + rt->rtReturn->argType); + + if ((rt->rtRequestPort != argNULL) && + (rt->rtRequestPort->argType != itNULL)) + itCheckRequestPortType(rt->rtRequestPort->argName, + rt->rtRequestPort->argType); + + if ((rt->rtUReplyPort != argNULL) && + (rt->rtUReplyPort->argType != itNULL)) + itCheckReplyPortType(rt->rtUReplyPort->argName, + rt->rtUReplyPort->argType); + if ((rt->rtSReplyPort != argNULL) && + (rt->rtSReplyPort->argType != itNULL)) + itCheckReplyPortType(rt->rtSReplyPort->argName, + rt->rtSReplyPort->argType); + + if ((rt->rtWaitTime != argNULL) && + (rt->rtWaitTime->argType != itNULL)) + itCheckIntType(rt->rtWaitTime->argName, + rt->rtWaitTime->argType); + + if ((rt->rtMsgOption != argNULL) && + (rt->rtMsgOption->argType != itNULL)) + itCheckIntType(rt->rtMsgOption->argName, + rt->rtMsgOption->argType); + + if ((rt->rtMsgSeqno != argNULL) && + (rt->rtMsgSeqno->argType != itNULL)) + itCheckNaturalType(rt->rtMsgSeqno->argName, + rt->rtMsgSeqno->argType); +} + +/* + * Check for arguments which are missing seemingly needed functions. + * We make this check here instead of in itCheckDecl, because here + * we can take into account what kind of argument the type is + * being used with. + * + * These are warnings, not hard errors, because mig will generate + * reasonable code in any case. The generated code will work fine + * if the ServerType and TransType are really the same, even though + * they have different names. + */ + +static void +rtCheckArgTrans(const routine_t *rt) +{ + register const argument_t *arg; + + /* the arg may not have a type (if there was some error in parsing it) */ + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) + { + register const ipc_type_t *it = arg->argType; + + if ((it != itNULL) && + !streql(it->itServerType, it->itTransType)) + { + if (akCheck(arg->argKind, akbSendRcv) && + (it->itInTrans == strNULL)) + warn("%s: argument has no in-translation function", + arg->argName); + + if (akCheck(arg->argKind, akbReturnSnd) && + (it->itOutTrans == strNULL)) + warn("%s: argument has no out-translation function", + arg->argName); + } + } +} + +/* + * Adds an implicit return-code argument. It exists in the reply message, + * where it is the first piece of data. Even if there is no reply + * message (rtOneWay is true), we generate the argument because + * the server-side stub needs a dummy reply msg to return error codes + * back to the server loop. + */ + +static void +rtAddRetCode(routine_t *rt) +{ + register argument_t *arg = argAlloc(); + + arg->argName = "RetCode"; + arg->argType = itRetCodeType; + arg->argKind = akRetCode; + rt->rtRetCode = arg; + + /* add at beginning, so return-code is first in the reply message */ + arg->argNext = rt->rtArgs; + rt->rtArgs = arg; +} + +/* + * Adds a dummy WaitTime argument to the function. + * This argument doesn't show up in any C argument lists; + * it implements the global WaitTime statement. + */ + +static void +rtAddWaitTime(routine_t *rt, identifier_t name) +{ + register argument_t *arg = argAlloc(); + argument_t **loc; + + arg->argName = "dummy WaitTime arg"; + arg->argVarName = name; + arg->argType = itWaitTimeType; + arg->argKind = akeWaitTime; + rt->rtWaitTime = arg; + + /* add wait-time after msg-option, if possible */ + + if (rt->rtMsgOption != argNULL) + loc = &rt->rtMsgOption->argNext; + else + loc = &rt->rtArgs; + + arg->argNext = *loc; + *loc = arg; + + rtSetArgDefaults(rt, arg); +} + +/* + * Adds a dummy MsgOption argument to the function. + * This argument doesn't show up in any C argument lists; + * it implements the global MsgOption statement. + */ + +static void +rtAddMsgOption(routine_t *rt, identifier_t name) +{ + register argument_t *arg = argAlloc(); + argument_t **loc; + + arg->argName = "dummy MsgOption arg"; + arg->argVarName = name; + arg->argType = itMsgOptionType; + arg->argKind = akeMsgOption; + rt->rtMsgOption = arg; + + /* add msg-option after msg-seqno */ + + if (rt->rtMsgSeqno != argNULL) + loc = &rt->rtMsgSeqno->argNext; + else + loc = &rt->rtArgs; + + arg->argNext = *loc; + *loc = arg; + + rtSetArgDefaults(rt, arg); +} + +/* + * Adds a dummy reply port argument to the function. If USER is true, the + * user reply port is set, otherwise the server. + */ + +static void +rtAddDummyReplyPort(routine_t *rt, ipc_type_t *type, int user) +{ + register argument_t *arg = argAlloc(); + argument_t **loc; + + arg->argName = "dummy ReplyPort arg"; + arg->argVarName = "dummy ReplyPort arg"; + arg->argType = type; + arg->argKind = akeReplyPort; + if (user) + rt->rtUReplyPort = arg; + else + rt->rtSReplyPort = arg; + + /* add the reply port after the request port */ + + if (rt->rtRequestPort != argNULL) + loc = &rt->rtRequestPort->argNext; + else + loc = &rt->rtArgs; + + arg->argNext = *loc; + *loc = arg; + + rtSetArgDefaults(rt, arg); +} + +/* + * Initializes argRequestPos, argReplyPos, rtMaxRequestPos, rtMaxReplyPos, + * rtNumRequestVar, rtNumReplyVar, and adds akbVarNeeded to those arguments + * that need it because of variable-sized inline considerations. + * + * argRequestPos and argReplyPos get -1 if the value shouldn't be used. + */ +static void +rtCheckVariable(register routine_t *rt) +{ + register argument_t *arg; + int NumRequestVar = 0; + int NumReplyVar = 0; + int MaxRequestPos = 0; + int MaxReplyPos = 0; + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + register argument_t *parent = arg->argParent; + + if (parent == argNULL) { + if (akCheck(arg->argKind, akbRequest|akbSend)) { + arg->argRequestPos = NumRequestVar; + MaxRequestPos = NumRequestVar; + if (akCheck(arg->argKind, akbVariable)) + NumRequestVar++; + } else + arg->argRequestPos = -1; + + if (akCheck(arg->argKind, akbReply|akbReturn)) { + arg->argReplyPos = NumReplyVar; + MaxReplyPos = NumReplyVar; + if (akCheck(arg->argKind, akbVariable)) + NumReplyVar++; + } else + arg->argReplyPos = -1; + } else { + arg->argRequestPos = parent->argRequestPos; + arg->argReplyPos = parent->argReplyPos; + } + + /* Out variables that follow a variable-sized field + need VarNeeded or ReplyCopy; they can't be stored + directly into the reply message. */ + + if (akCheck(arg->argKind, akbReturnSnd) && + !akCheck(arg->argKind, akbReplyCopy|akbVarNeeded) && + (arg->argReplyPos > 0)) + arg->argKind = akAddFeature(arg->argKind, akbVarNeeded); + } + + rt->rtNumRequestVar = NumRequestVar; + rt->rtNumReplyVar = NumReplyVar; + rt->rtMaxRequestPos = MaxRequestPos; + rt->rtMaxReplyPos = MaxReplyPos; +} + +/* + * Adds akbDestroy where needed. + */ + +static void +rtCheckDestroy(register routine_t *rt) +{ + register argument_t *arg; + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + register const ipc_type_t *it = arg->argType; + + if(akCheck(arg->argKind, akbSendRcv) && + !akCheck(arg->argKind, akbReturnSnd)) { + if ((it->itDestructor != strNULL) || + (akCheck(arg->argKind, akbIndefinite) && !arg->argServerCopy)) + arg->argKind = akAddFeature(arg->argKind, akbDestroy); + } + } +} + +/* + * Sets ByReferenceUser and ByReferenceServer. + */ + +static void +rtAddByReference(register routine_t *rt) +{ + register argument_t *arg; + + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + register const ipc_type_t *it = arg->argType; + + if (akCheck(arg->argKind, akbReturnRcv) && + (it->itStruct || it->itIndefinite)) { + arg->argByReferenceUser = TRUE; + + /* + * A CountInOut arg itself is not akbReturnRcv, + * so we need to set argByReferenceUser specially. + */ + + if (arg->argCInOut != argNULL) + arg->argCInOut->argByReferenceUser = TRUE; + } + + if (akCheck(arg->argKind, akbReturnSnd) && + (it->itStruct || it->itIndefinite)) + arg->argByReferenceServer = TRUE; + } +} + +void +rtCheckRoutine(register routine_t *rt) +{ + /* Initialize random fields. */ + + rt->rtErrorName = ErrorProc; + rt->rtOneWay = ((rt->rtKind == rkSimpleProcedure) || + (rt->rtKind == rkSimpleRoutine)); + rt->rtProcedure = ((rt->rtKind == rkProcedure) || + (rt->rtKind == rkSimpleProcedure)); + rt->rtUseError = rt->rtProcedure || (rt->rtKind == rkFunction); + rt->rtServerName = strconcat(ServerPrefix, rt->rtName); + rt->rtServerName = strconcat(RoutinePrefix, rt->rtServerName); + rt->rtUserName = strconcat(UserPrefix, rt->rtName); + rt->rtUserName = strconcat(RoutinePrefix, rt->rtUserName); + + /* Add implicit arguments. */ + + rtAddRetCode(rt); + + /* Check out the arguments and their types. Add count, poly + implicit args. Any arguments added after rtCheckRoutineArgs + should have rtSetArgDefaults called on them. */ + + rtCheckRoutineArgs(rt); + + /* Add dummy WaitTime and MsgOption arguments, if the routine + doesn't have its own args and the user specified global values. */ + + if (rt->rtUReplyPort == argNULL) + if (rt->rtOneWay) + rtAddDummyReplyPort(rt, itZeroReplyPortType, 1); + else + rtAddDummyReplyPort(rt, itRealReplyPortType, 1); + if (rt->rtSReplyPort == argNULL) + if (rt->rtOneWay) + rtAddDummyReplyPort(rt, itZeroReplyPortType, 0); + else + rtAddDummyReplyPort(rt, itRealReplyPortType, 0); + + if (rt->rtMsgOption == argNULL) + if (MsgOption == strNULL) + rtAddMsgOption(rt, "MACH_MSG_OPTION_NONE"); + else + rtAddMsgOption(rt, MsgOption); + + if ((rt->rtWaitTime == argNULL) && + (WaitTime != strNULL)) + rtAddWaitTime(rt, WaitTime); + + /* Now that all the arguments are in place, do more checking. */ + + rtCheckArgTypes(rt); + rtCheckArgTrans(rt); + + if (rt->rtOneWay && rtCheckMask(rt->rtArgs, akbReturn)) + error("%s %s has OUT argument", + rtRoutineKindToStr(rt->rtKind), rt->rtName); + + /* If there were any errors, don't bother calculating more info + that is only used in code generation anyway. Therefore, + the following functions don't have to worry about null types. */ + + if (errors > 0) + return; + + rtCheckSimpleIn(rt->rtArgs, akbRequest, + &rt->rtSimpleFixedRequest, + &rt->rtSimpleSendRequest); + rtCheckSimpleOut(rt->rtArgs, akbRequest, + &rt->rtSimpleCheckRequest, + &rt->rtSimpleReceiveRequest); + rt->rtRequestSize = rtFindSize(rt->rtArgs, akbRequest); + + if (IsKernelServer) + rtCheckSimpleOut(rt->rtArgs, akbReply, + &rt->rtSimpleFixedReply, + &rt->rtSimpleSendReply); + else + rtCheckSimpleIn(rt->rtArgs, akbReply, + &rt->rtSimpleFixedReply, + &rt->rtSimpleSendReply); + rtCheckSimpleOut(rt->rtArgs, akbReply, + &rt->rtSimpleCheckReply, + &rt->rtSimpleReceiveReply); + rt->rtReplySize = rtFindSize(rt->rtArgs, akbReply); + + rtCheckVariable(rt); + rtCheckDestroy(rt); + rtAddByReference(rt); + + if (rt->rtKind == rkFunction) + rt->rtNoReplyArgs = FALSE; + else + rt->rtNoReplyArgs = !rtCheckMask(rt->rtArgs, akbReturnSnd); +} diff --git a/mig/routine.h b/mig/routine.h new file mode 100644 index 0000000..f80a174 --- /dev/null +++ b/mig/routine.h @@ -0,0 +1,401 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#ifndef _ROUTINE_H +#define _ROUTINE_H + +#include <sys/types.h> + +#include "boolean.h" +#include "type.h" + +/* base kind arg */ +#define akeNone (0) +#define akeNormal (1) /* a normal, user-defined argument */ +#define akeRequestPort (2) /* pointed at by rtRequestPort */ +#define akeWaitTime (3) /* pointed at by rtWaitTime */ +#define akeReplyPort (4) /* pointed at by rtReplyPort */ +#define akeMsgOption (5) /* pointed at by rtMsgOption */ +#define akeMsgSeqno (6) /* pointed at by rtMsgSeqno */ +#define akeRetCode (7) /* pointed at by rtRetCode/rtReturn */ +#define akeReturn (8) /* pointed at by rtReturn */ +#define akeCount (9) /* a count arg for argParent */ +#define akePoly (10) /* a poly arg for argParent */ +#define akeDealloc (11) /* a deallocate arg for argParent */ +#define akeServerCopy (12) /* a server-copy arg for argParent */ +#define akeCountInOut (13) /* a count-in-out arg */ + +#define akeBITS (0x0000003f) +#define akbRequest (0x00000040) /* has a msg_type in request */ +#define akbReply (0x00000080) /* has a msg_type in reply */ +#define akbUserArg (0x00000100) /* an arg on user-side */ +#define akbServerArg (0x00000200) /* an arg on server-side */ +#define akbSend (0x00000400) /* value carried in request */ +#define akbSendBody (0x00000800) /* value carried in request body */ +#define akbSendSnd (0x00001000) /* value stuffed into request */ +#define akbSendRcv (0x00002000) /* value grabbed from request */ +#define akbReturn (0x00004000) /* value carried in reply */ +#define akbReturnBody (0x00008000) /* value carried in reply body */ +#define akbReturnSnd (0x00010000) /* value stuffed into reply */ +#define akbReturnRcv (0x00020000) /* value grabbed from reply */ +#define akbReplyInit (0x00040000) /* reply msg-type must be init'ed */ +#define akbRequestQC (0x00080000) /* msg_type can be checked quickly */ +#define akbReplyQC (0x00100000) /* msg_type can be checked quickly */ +#define akbReplyCopy (0x00200000) /* copy reply value from request */ +#define akbVarNeeded (0x00400000) /* may need local var in server */ +#define akbDestroy (0x00800000) /* call destructor function */ +#define akbVariable (0x01000000) /* variable size inline data */ +#define akbIndefinite (0x02000000) /* variable size, inline or out */ +#define akbPointer (0x04000000) /* server gets a pointer to the + real buffer */ +/* be careful, there aren't many bits left */ + +typedef u_int arg_kind_t; + +/* + * akbRequest means msg_type/data fields are allocated in the request + * msg. akbReply means msg_type/data fields are allocated in the + * reply msg. These bits (with akbReplyInit, akbRequestQC, akbReplyQC) + * control msg structure declarations packing, and checking of + * mach_msg_type_t fields. + * + * akbUserArg means this argument is an argument to the user-side stub. + * akbServerArg means this argument is an argument to + * the server procedure called by the server-side stub. + * + * The akbSend* and akbReturn* bits control packing/extracting values + * in the request and reply messages. + * + * akbSend means the argument's value is carried in the request msg. + * akbSendBody implies akbSend; the value is carried in the msg body. + * akbSendSnd implies akbSend; the value is stuffed into the request. + * akbSendRcv implies akbSend; the value is pulled out of the request. + * + * akbReturn, akbReturnBody, akbReturnSnd, akbReturnRcv are defined + * similarly but apply to the reply message. + * + * User-side code generation (header.c, user.c) and associated code + * should use akbSendSnd and akbReturnRcv, but not akbSendRcv and + * akbReturnSnd. Server-side code generation (server.c) is reversed. + * Code generation should use the more specific akb{Send,Return}{Snd,Rcv} + * bits when possible, instead of akb{Send,Return}. + * + * Note that akRetCode and akReturn lack any Return bits, although + * there is a value in the msg. These guys are packed/unpacked + * with special code, unlike other arguments. + * + * akbReplyInit implies akbReply. It means the server-side stub + * should initialize the argument's msg_type field in the reply msg. + * Some special arguments (RetCode, Dummy, Tid) have their msg_type + * fields in the reply message initialized by the server demux + * function; these arguments have akbReply but not akbReplyInit. + * + * akbRequestQC implies akbRequest. If it's on, then the + * mach_msg_type_t value in the request message can be checked quickly + * (by casting to an int and checking with a single comparison). + * akbReplyQC has the analogous meaning with respect to akbReply. + * + * akbVariable means the argument has variable-sized inline data. + * It isn't currently used for code generation, but routine.c + * does use it internally. It is added in rtAugmentArgKind. + * + * akbReplyCopy and akbVarNeeded help control code generation in the + * server-side stub. The preferred method of handling data in the + * server-side stub avoids copying into/out-of local variables. In + * arguments get passed directly to the server proc from the request msg. + * Out arguments get stuffed directly into the reply msg by the server proc. + * For InOut arguments, the server proc gets the address of the data in + * the request msg, and the resulting data gets copied to the reply msg. + * Some arguments need a local variable in the server-side stub. The + * code extracts the data from the request msg into the variable, and + * stuff the reply msg from the variable. + * + * akbReplyCopy implies akbReply. It means the data should get copied + * from the request msg to the reply msg after the server proc is called. + * It is only used by akInOut. akTid doesn't need it because the tid + * data in the reply msg is initialized in the server demux function. + * + * akbVarNeeded means the argument needs a local variable in the + * server-side stub. It is added in rtAugmentArgKind and + * rtCheckVariable. An argument shouldn't have all three of + * akbReturnSnd, akbVarNeeded and akbReplyCopy, because this indicates + * the reply msg should be stuffed both ways. + * + * akbDestroy helps control code generation in the server-side stub. + * It means this argument has a destructor function which should be called. + * + * Header file generation (header.c) uses: + * akbUserArg + * + * User stub generation (user.c) uses: + * akbUserArg, akbRequest, akbReply, akbSendSnd, + * akbSendBody, akbReturnRcv, akbReplyQC + * + * Server stub generation (server.c) uses: + * akbServerArg, akbRequest, akbReply, akbSendRcv, akbReturnSnd, + * akbReplyInit, akbReplyCopy, akbVarNeeded, akbSendBody, akbRequestQC + * + * + * During code generation, the routine, argument, and type data structures + * are read-only. The code generation functions' output is their only + * side-effect. + * + * + * Style note: + * Code can use logical operators (|, &, ~) on akb values. + * ak values should be manipulated with the ak functions. + */ + +/* various useful combinations */ + +#define akbNone (0) +#define akbAll (~akbNone) +#define akbAllBits (~akeBITS) + +#define akbSendBits (akbSend|akbSendBody|akbSendSnd|akbSendRcv) +#define akbReturnBits (akbReturn|akbReturnBody|akbReturnSnd|akbReturnRcv) +#define akbSendReturnBits (akbSendBits|akbReturnBits) + +#define akNone akeNone + +#define akIn akAddFeature(akeNormal, \ + akbUserArg|akbServerArg|akbRequest|akbSendBits) + +#define akOut akAddFeature(akeNormal, \ + akbUserArg|akbServerArg|akbReply|akbReturnBits|akbReplyInit) + +#define akInOut akAddFeature(akeNormal, \ + akbUserArg|akbServerArg|akbRequest|akbReply| \ + akbSendBits|akbReturnBits|akbReplyInit|akbReplyCopy) + +#define akRequestPort akAddFeature(akeRequestPort, \ + akbUserArg|akbServerArg|akbSend|akbSendSnd|akbSendRcv) + +#define akWaitTime akAddFeature(akeWaitTime, akbUserArg) + +#define akMsgOption akAddFeature(akeMsgOption, akbUserArg) + +#define akMsgSeqno akAddFeature(akeMsgSeqno, \ + akbServerArg|akbSend|akbSendRcv) + +#define akReplyPort akAddFeature(akeReplyPort, \ + akbUserArg|akbServerArg|akbSend|akbSendSnd|akbSendRcv) + +#define akUReplyPort akAddFeature(akeReplyPort, \ + akbUserArg|akbSend|akbSendSnd|akbSendRcv) + +#define akSReplyPort akAddFeature(akeReplyPort, \ + akbServerArg|akbSend|akbSendSnd|akbSendRcv) + +#define akRetCode akAddFeature(akeRetCode, akbReply) + +#define akReturn akAddFeature(akeReturn, \ + akbReply|akbReplyInit) + +#define akCount akAddFeature(akeCount, \ + akbUserArg|akbServerArg) + +#define akPoly akePoly + +#define akDealloc akAddFeature(akeDealloc, akbUserArg) + +#define akServerCopy akAddFeature(akeServerCopy, akbServerArg|akbSendRcv) + +#define akCountInOut akAddFeature(akeCountInOut, akbRequest|akbSendBits) + +#define akCheck(ak, bits) ((ak) & (bits)) +#define akCheckAll(ak, bits) (akCheck(ak, bits) == (bits)) +#define akAddFeature(ak, bits) ((ak)|(bits)) +#define akRemFeature(ak, bits) ((ak)&~(bits)) +#define akIdent(ak) ((ak) & akeBITS) + +/* + * The arguments to a routine/function are linked in left-to-right order. + * argName is used for error messages and pretty-printing, + * not code generation. Code generation shouldn't make any assumptions + * about the order of arguments, esp. count and poly arguments. + * (Unfortunately, code generation for inline variable-sized arguments + * does make such assumptions.) + * + * argVarName is the name used in generated code for function arguments + * and local variable names. argMsgField is the name used in generated + * code for the field in msgs where the argument's value lives. + * argTTName is the name used in generated code for msg-type fields and + * static variables used to initialize those fields. argPadName is the + * name used in generated code for a padding field in msgs. + * + * argFlags can be used to override the deallocate and longform bits + * in the argument's type. rtProcessArgFlags sets argDeallocate and + * argLongForm from it and the type. Code generation shouldn't use + * argFlags. + * + * argCount, argPoly, and argDealloc get to the implicit count, poly, + * and dealloc arguments associated with the argument; they should be + * used instead of argNext. In these implicit arguments, argParent is + * a pointer to the "real" arg. + * + * In count arguments, argMultiplier is a scaling factor applied to + * the count arg's value to get msg-type-number. It is equal to + * argParent->argType->itElement->itNumber + */ + +typedef struct argument +{ + /* if argKind == akReturn, then argName is name of the function */ + identifier_t argName; + struct argument *argNext; + + arg_kind_t argKind; + ipc_type_t *argType; + + const_string_t argVarName; /* local variable and argument names */ + const_string_t argMsgField; /* message field's name */ + const_string_t argTTName; /* name for msg_type fields, static vars */ + const_string_t argPadName; /* name for pad field in msg */ + + ipc_flags_t argFlags; + dealloc_t argDeallocate; /* overrides argType->itDeallocate */ + boolean_t argLongForm; /* overrides argType->itLongForm */ + boolean_t argServerCopy; + boolean_t argCountInOut; + + struct routine *argRoutine; /* routine we are part of */ + + struct argument *argCount; /* our count arg, if present */ + struct argument *argCInOut; /* our CountInOut arg, if present */ + struct argument *argPoly; /* our poly arg, if present */ + struct argument *argDealloc;/* our dealloc arg, if present */ + struct argument *argSCopy; /* our serverCopy arg, if present */ + struct argument *argParent; /* in a count or poly arg, the base arg */ + int argMultiplier; /* for Count argument: parent is a multiple + of a basic IPC type. Argument must be + multiplied by Multiplier to get IPC + number-of-elements. */ + + /* how variable/inline args precede this one, in request and reply */ + int argRequestPos; + int argReplyPos; + /* whether argument is by reference, on user and server side */ + boolean_t argByReferenceUser; + boolean_t argByReferenceServer; +} argument_t; + +/* + * The various routine kinds' peculiarities are abstracted by rtCheckRoutine + * into attributes like rtOneWay, rtProcedure, etc. These are what + * code generation should use. It is Bad Form for code generation to + * test rtKind. + */ + +typedef enum +{ + rkRoutine, + rkSimpleRoutine, + rkSimpleProcedure, + rkProcedure, + rkFunction, +} routine_kind_t; + +typedef struct routine +{ + identifier_t rtName; + routine_kind_t rtKind; + argument_t *rtArgs; + u_int rtNumber; /* used for making msg ids */ + + identifier_t rtUserName; /* user-visible name (UserPrefix + Name) */ + identifier_t rtServerName; /* server-side name (ServerPrefix + Name) */ + + /* rtErrorName is only used for Procs, SimpleProcs, & Functions */ + identifier_t rtErrorName; /* error-handler name */ + + boolean_t rtOneWay; /* SimpleProcedure or SimpleRoutine */ + boolean_t rtProcedure; /* Procedure or SimpleProcedure */ + boolean_t rtUseError; /* Procedure or Function */ + + boolean_t rtSimpleFixedRequest; /* fixed msg-simple value in request */ + boolean_t rtSimpleSendRequest; /* in any case, initial value */ + boolean_t rtSimpleCheckRequest; /* check msg-simple in request */ + boolean_t rtSimpleReceiveRequest; /* if so, the expected value */ + + boolean_t rtSimpleFixedReply; /* fixed msg-simple value in reply */ + boolean_t rtSimpleSendReply; /* in any case, initial value */ + boolean_t rtSimpleCheckReply; /* check msg-simple in reply */ + boolean_t rtSimpleReceiveReply; /* if so, the expected value */ + + u_int rtRequestSize; /* minimal size of a legal request msg */ + u_int rtReplySize; /* minimal size of a legal reply msg */ + + int rtNumRequestVar; /* number of variable/inline args in request */ + int rtNumReplyVar; /* number of variable/inline args in reply */ + + int rtMaxRequestPos; /* maximum of argRequestPos */ + int rtMaxReplyPos; /* maximum of argReplyPos */ + + boolean_t rtNoReplyArgs; /* if so, no reply message arguments beyond + what the server dispatch routine inserts */ + + /* distinguished arguments */ + argument_t *rtRequestPort; /* always non-NULL, defaults to first arg */ + argument_t *rtUReplyPort; /* always non-NULL, defaults to Mig-supplied */ + argument_t *rtSReplyPort; /* always non-NULL, defaults to Mig-supplied */ + argument_t *rtReturn; /* non-NULL unless rtProcedure */ + argument_t *rtServerReturn; /* NULL or rtReturn */ + argument_t *rtRetCode; /* always non-NULL */ + argument_t *rtWaitTime; /* if non-NULL, will use MACH_RCV_TIMEOUT */ + argument_t *rtMsgOption; /* always non-NULL, defaults to NONE */ + argument_t *rtMsgSeqno; /* if non-NULL, server gets passed seqno */ +} routine_t; + +#define rtNULL ((routine_t *) 0) +#define argNULL ((argument_t *) 0) + +extern u_int rtNumber; +/* rt->rtNumber will be initialized */ +extern routine_t *rtAlloc(void); +/* skip a number */ +extern void rtSkip(int); + +extern argument_t *argAlloc(void); + +extern boolean_t rtCheckMask(const argument_t *args, u_int mask); + +extern boolean_t rtCheckMaskFunction(const argument_t *args, u_int mask, + boolean_t (*func)(const argument_t *arg)); + +extern routine_t *rtMakeRoutine(identifier_t name, argument_t *args); +extern routine_t *rtMakeSimpleRoutine(identifier_t name, argument_t *args); +extern routine_t *rtMakeProcedure(identifier_t name, argument_t *args); +extern routine_t *rtMakeSimpleProcedure(identifier_t name, argument_t *args); +extern routine_t *rtMakeFunction(identifier_t name, argument_t *args, + ipc_type_t *type); + +extern void rtPrintRoutine(const routine_t *rt); +extern void rtCheckRoutine(routine_t *rt); + +extern const char *rtRoutineKindToStr(routine_kind_t rk); + +#endif /* _ROUTINE_H */ diff --git a/mig/server.c b/mig/server.c new file mode 100644 index 0000000..07e4964 --- /dev/null +++ b/mig/server.c @@ -0,0 +1,1322 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <assert.h> + +#include "write.h" +#include "utils.h" +#include "global.h" +#include "error.h" +#include "cpu.h" + +static void +WriteIncludes(FILE *file) +{ + fprintf(file, "#define EXPORT_BOOLEAN\n"); + fprintf(file, "#include <mach/boolean.h>\n"); + fprintf(file, "#include <mach/kern_return.h>\n"); + fprintf(file, "#include <mach/message.h>\n"); + fprintf(file, "#include <mach/mig_errors.h>\n"); + fprintf(file, "#include <mach/mig_support.h>\n"); + if (IsKernelServer) + fprintf(file, "#include <ipc/ipc_port.h>\n"); + fprintf(file, "\n"); +} + +static void +WriteGlobalDecls(FILE *file) +{ + if (RCSId != strNULL) + WriteRCSDecl(file, strconcat(SubsystemName, "_server"), RCSId); + + /* Used for locations in the request message, *not* reply message. + Reply message locations aren't dependent on IsKernelServer. */ + + if (IsKernelServer) + { + fprintf(file, "#define msgh_request_port\tmsgh_remote_port\n"); + fprintf(file, "#define MACH_MSGH_BITS_REQUEST(bits)"); + fprintf(file, "\tMACH_MSGH_BITS_REMOTE(bits)\n"); + fprintf(file, "#define msgh_reply_port\t\tmsgh_local_port\n"); + fprintf(file, "#define MACH_MSGH_BITS_REPLY(bits)"); + fprintf(file, "\tMACH_MSGH_BITS_LOCAL(bits)\n"); + } + else + { + fprintf(file, "#define msgh_request_port\tmsgh_local_port\n"); + fprintf(file, "#define MACH_MSGH_BITS_REQUEST(bits)"); + fprintf(file, "\tMACH_MSGH_BITS_LOCAL(bits)\n"); + fprintf(file, "#define msgh_reply_port\t\tmsgh_remote_port\n"); + fprintf(file, "#define MACH_MSGH_BITS_REPLY(bits)"); + fprintf(file, "\tMACH_MSGH_BITS_REMOTE(bits)\n"); + } + fprintf(file, "\n"); +} + +static void +WriteProlog(FILE *file) +{ + fprintf(file, "/* Module %s */\n", SubsystemName); + fprintf(file, "\n"); + + WriteIncludes(file); + WriteBogusDefines(file); + WriteGlobalDecls(file); +} + + +static void +WriteSymTabEntries(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + register u_int current = 0; + + for (stat = stats; stat != stNULL; stat = stat->stNext) + if (stat->stKind == skRoutine) { + register num = stat->stRoutine->rtNumber; + const char *name = stat->stRoutine->rtName; + + while (++current <= num) + fprintf(file,"\t\t\t{ \"\", 0, 0 },\n"); + fprintf(file, "\t{ \"%s\", %d, _X%s },\n", + name, + SubsystemBase + current - 1, + name); + } + while (++current <= rtNumber) + fprintf(file,"\t{ \"\", 0, 0 },\n"); +} + +static void +WriteArrayEntries(FILE *file, const statement_t *stats) +{ + register u_int current = 0; + register const statement_t *stat; + + for (stat = stats; stat != stNULL; stat = stat->stNext) + if (stat->stKind == skRoutine) + { + register const routine_t *rt = stat->stRoutine; + + while (current++ < rt->rtNumber) + fprintf(file, "\t\t0,\n"); + fprintf(file, "\t\t_X%s,\n", rt->rtName); + } + while (current++ < rtNumber) + fprintf(file, "\t\t\t0,\n"); +} + +static void +WriteEpilog(FILE *file, const statement_t *stats) +{ + fprintf(file, "\n"); + + /* + * First, the symbol table + */ + fprintf(file, "static mig_routine_t %s_routines[] = {\n", ServerDemux); + + WriteArrayEntries(file, stats); + + fprintf(file, "};\n"); + fprintf(file, "\n"); + + /* + * Then, the server routine + */ + fprintf(file, "mig_external boolean_t %s\n", ServerDemux); + fprintf(file, "\t(mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP)\n"); + + fprintf(file, "{\n"); + fprintf(file, "\tregister mach_msg_header_t *InP = InHeadP;\n"); + + fprintf(file, "\tregister mig_reply_header_t *OutP = (mig_reply_header_t *) OutHeadP;\n"); + + fprintf(file, "\n"); + + WriteStaticDecl(file, itRetCodeType, + itRetCodeType->itDeallocate, itRetCodeType->itLongForm, + !IsKernelServer, "RetCodeType"); + fprintf(file, "\n"); + + fprintf(file, "\tregister mig_routine_t routine;\n"); + fprintf(file, "\n"); + + fprintf(file, "\tOutP->Head.msgh_bits = "); + fprintf(file, "MACH_MSGH_BITS(MACH_MSGH_BITS_REPLY(InP->msgh_bits), 0);\n"); + fprintf(file, "\tOutP->Head.msgh_size = sizeof *OutP;\n"); + fprintf(file, "\tOutP->Head.msgh_remote_port = InP->msgh_reply_port;\n"); + fprintf(file, "\tOutP->Head.msgh_local_port = MACH_PORT_NULL;\n"); + fprintf(file, "\tOutP->Head.msgh_seqno = 0;\n"); + fprintf(file, "\tOutP->Head.msgh_id = InP->msgh_id + 100;\n"); + fprintf(file, "\n"); + WritePackMsgType(file, itRetCodeType, + itRetCodeType->itDeallocate, itRetCodeType->itLongForm, + !IsKernelServer, "OutP->RetCodeType", "RetCodeType"); + fprintf(file, "\n"); + + fprintf(file, "\tif ((InP->msgh_id > %d) || (InP->msgh_id < %d) ||\n", + SubsystemBase + rtNumber - 1, SubsystemBase); + fprintf(file, "\t ((routine = %s_routines[InP->msgh_id - %d]) == 0)) {\n", + ServerDemux, SubsystemBase); + fprintf(file, "\t\tOutP->RetCode = MIG_BAD_ID;\n"); + fprintf(file, "\t\treturn FALSE;\n"); + fprintf(file, "\t}\n"); + + /* Call appropriate routine */ + fprintf(file, "\t(*routine) (InP, &OutP->Head);\n"); + fprintf(file, "\treturn TRUE;\n"); + fprintf(file, "}\n"); + fprintf(file, "\n"); + + /* + * Then, the <subsystem>_server_routine routine + */ + fprintf(file, "mig_external mig_routine_t %s_routine\n", ServerDemux); + fprintf(file, "\t(const mach_msg_header_t *InHeadP)\n"); + + fprintf(file, "{\n"); + fprintf(file, "\tregister int msgh_id;\n"); + fprintf(file, "\n"); + fprintf(file, "\tmsgh_id = InHeadP->msgh_id - %d;\n", SubsystemBase); + fprintf(file, "\n"); + fprintf(file, "\tif ((msgh_id > %d) || (msgh_id < 0))\n", + rtNumber - 1); + fprintf(file, "\t\treturn 0;\n"); + fprintf(file, "\n"); + fprintf(file, "\treturn %s_routines[msgh_id];\n", ServerDemux); + fprintf(file, "}\n"); + fprintf(file, "\n"); + + /* symtab */ + + if (GenSymTab) { + fprintf(file,"\nmig_symtab_t _%sSymTab[] = {\n",SubsystemName); + WriteSymTabEntries(file,stats); + fprintf(file,"};\n"); + fprintf(file,"int _%sSymTabBase = %d;\n",SubsystemName,SubsystemBase); + fprintf(file,"int _%sSymTabEnd = %d;\n",SubsystemName,SubsystemBase+rtNumber); + } +} + +/* + * Returns the return type of the server-side work function. + * Suitable for "extern %s serverfunc()". + */ +static const char * +ServerSideType(const routine_t *rt) +{ + if (rt->rtServerReturn == argNULL) + return "void"; + else + return rt->rtServerReturn->argType->itTransType; +} + +static void +WriteLocalVarDecl(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + if (it->itInLine && it->itVarArray) + { + register const ipc_type_t *btype = it->itElement; + + fprintf(file, "\t%s %s[%d]", btype->itTransType, + arg->argVarName, it->itNumber/btype->itNumber); + } + else + fprintf(file, "\t%s %s", it->itTransType, arg->argVarName); +} + +static void +WriteLocalPtrDecl(FILE *file, register const argument_t *arg) +{ + fprintf(file, "\t%s *%sP", + FetchServerType(arg->argType->itElement), + arg->argVarName); +} + +static void +WriteServerArgDecl(FILE *file, const argument_t *arg) +{ + fprintf(file, "%s %s%s", + arg->argType->itTransType, + arg->argByReferenceServer ? "*" : "", + arg->argVarName); +} + +/* + * Writes the local variable declarations which are always + * present: InP, OutP, the server-side work function. + */ +static void +WriteVarDecls(FILE *file, const routine_t *rt) +{ + int i; + boolean_t NeedMsghSize = FALSE; + boolean_t NeedMsghSizeDelta = FALSE; + + fprintf(file, "\tregister Request *In0P = (Request *) InHeadP;\n"); + for (i = 1; i <= rt->rtMaxRequestPos; i++) + fprintf(file, "\tregister Request *In%dP;\n", i); + fprintf(file, "\tregister Reply *OutP = (Reply *) OutHeadP;\n"); + + fprintf(file, "\tmig_external %s %s\n", + ServerSideType(rt), rt->rtServerName); + fprintf(file, "\t\t("); + WriteList(file, rt->rtArgs, WriteServerArgDecl, akbServerArg, ", ", ""); + fprintf(file, ");\n"); + fprintf(file, "\n"); + + if (!rt->rtSimpleFixedReply) + fprintf(file, "\tboolean_t msgh_simple;\n"); + else if (!rt->rtSimpleCheckRequest) + { + fprintf(file, "#if\tTypeCheck\n"); + fprintf(file, "\tboolean_t msgh_simple;\n"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + fprintf(file, "\n"); + } + + /* if either request or reply is variable, we may need + msgh_size_delta and msgh_size */ + + if (rt->rtNumRequestVar > 0) + NeedMsghSize = TRUE; + if (rt->rtMaxRequestPos > 0) + NeedMsghSizeDelta = TRUE; + + if (rt->rtNumReplyVar > 1) + NeedMsghSize = TRUE; + if (rt->rtMaxReplyPos > 0) + NeedMsghSizeDelta = TRUE; + + if (NeedMsghSize) + fprintf(file, "\tunsigned int msgh_size;\n"); + if (NeedMsghSizeDelta) + fprintf(file, "\tunsigned int msgh_size_delta;\n"); + + if (NeedMsghSize || NeedMsghSizeDelta) + fprintf(file, "\n"); +} + +static void +WriteMsgError(FILE *file, const char *error_msg) +{ + fprintf(file, "\t\t{ OutP->RetCode = %s; return; }\n", error_msg); +} + +static void +WriteReplyInit(FILE *file, const routine_t *rt) +{ + boolean_t printed_nl = FALSE; + + if (rt->rtSimpleFixedReply) + { + if (!rt->rtSimpleSendReply) /* complex reply message */ + { + printed_nl = TRUE; + fprintf(file, "\n"); + fprintf(file, + "\tOutP->Head.msgh_bits |= MACH_MSGH_BITS_COMPLEX;\n"); + } + } + else + { + printed_nl = TRUE; + fprintf(file, "\n"); + fprintf(file, "\tmsgh_simple = %s;\n", + strbool(rt->rtSimpleSendReply)); + } + + if (rt->rtNumReplyVar == 0) + { + if (!printed_nl) + fprintf(file, "\n"); + fprintf(file, "\tOutP->Head.msgh_size = %d;\n", rt->rtReplySize); + } +} + +static void +WriteReplyHead(FILE *file, const routine_t *rt) +{ + if ((!rt->rtSimpleFixedReply) || + (rt->rtNumReplyVar > 1)) + { + fprintf(file, "\n"); + if (rt->rtMaxReplyPos > 0) + fprintf(file, "\tOutP = (Reply *) OutHeadP;\n"); + } + + if (!rt->rtSimpleFixedReply) + { + fprintf(file, "\tif (!msgh_simple)\n"); + fprintf(file, + "\t\tOutP->Head.msgh_bits |= MACH_MSGH_BITS_COMPLEX;\n"); + } + if (rt->rtNumReplyVar > 1) + fprintf(file, "\tOutP->Head.msgh_size = msgh_size;\n"); +} + +static void +WriteCheckHead(FILE *file, const routine_t *rt) +{ + fprintf(file, "#if\tTypeCheck\n"); + if (rt->rtNumRequestVar > 0) + fprintf(file, "\tmsgh_size = In0P->Head.msgh_size;\n"); + if (!rt->rtSimpleCheckRequest) + fprintf(file, "\tmsgh_simple = !(In0P->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX);\n"); + + if (rt->rtNumRequestVar > 0) + fprintf(file, "\tif ((msgh_size < %d)", + rt->rtRequestSize); + else + fprintf(file, "\tif ((In0P->Head.msgh_size != %d)", + rt->rtRequestSize); + + if (rt->rtSimpleCheckRequest) + fprintf(file, " ||\n\t %s(In0P->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX)", + rt->rtSimpleReceiveRequest ? "" : "!"); + fprintf(file, ")\n"); + WriteMsgError(file, "MIG_BAD_ARGUMENTS"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + fprintf(file, "\n"); +} + +static void +WriteTypeCheck(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + register const routine_t *rt = arg->argRoutine; + + fprintf(file, "#if\tTypeCheck\n"); + if (akCheck(arg->argKind, akbRequestQC)) + fprintf(file, "\tif (* (int *) &In%dP->%s != * (int *) &%sCheck)\n", + arg->argRequestPos, arg->argTTName, arg->argVarName); + else + { + fprintf(file, "\tif ("); + if (!it->itIndefinite) { + fprintf(file, "(In%dP->%s%s.msgt_inline != %s) ||\n\t ", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + strbool(it->itInLine)); + } + fprintf(file, "(In%dP->%s%s.msgt_longform != %s) ||\n", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + strbool(arg->argLongForm)); + if (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC) + { + if (!rt->rtSimpleCheckRequest) + fprintf(file, "\t (MACH_MSG_TYPE_PORT_ANY(In%dP->%s.msgt%s_name) && msgh_simple) ||\n", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? "l" : ""); + } + else + fprintf(file, "\t (In%dP->%s.msgt%s_name != %s) ||\n", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? "l" : "", + it->itOutNameStr); + if (!it->itVarArray) + fprintf(file, "\t (In%dP->%s.msgt%s_number != %d) ||\n", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? "l" : "", + it->itNumber); + fprintf(file, "\t (In%dP->%s.msgt%s_size != %d))\n", + arg->argRequestPos, arg->argTTName, + arg->argLongForm ? "l" : "", + it->itSize); + } + WriteMsgError(file, "MIG_BAD_ARGUMENTS"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + fprintf(file, "\n"); +} + +static void +WriteCheckArgSize(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + register const ipc_type_t *btype = ptype->itElement; + const argument_t *count = arg->argCount; + int multiplier = btype->itTypeSize / btype->itNumber; + + if (ptype->itIndefinite) { + /* + * Check descriptor. If out-of-line, use standard size. + */ + fprintf(file, "(In%dP->%s%s.msgt_inline) ? ", + arg->argRequestPos, + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + } + + if (btype->itTypeSize % 4 != 0) + fprintf(file, "("); + + if (multiplier > 1) + fprintf(file, "%d * ", multiplier); + + fprintf(file, "In%dP->%s", arg->argRequestPos, count->argMsgField); + + /* If the base type size of the data field isn`t a multiple of 4, + we have to round up. */ + if (btype->itTypeSize % 4 != 0) + fprintf(file, " + 3) & ~3"); + + if (ptype->itIndefinite) { + fprintf(file, " : sizeof(%s *)", FetchServerType(btype)); + } +} + +static void +WriteCheckMsgSize(FILE *file, register const argument_t *arg) +{ + register const routine_t *rt = arg->argRoutine; + + /* If there aren't any more In args after this, then + we can use the msgh_size_delta value directly in + the TypeCheck conditional. */ + + if (arg->argRequestPos == rt->rtMaxRequestPos) + { + fprintf(file, "#if\tTypeCheck\n"); + fprintf(file, "\tif (msgh_size != %d + (", rt->rtRequestSize); + WriteCheckArgSize(file, arg); + fprintf(file, "))\n"); + + WriteMsgError(file, "MIG_BAD_ARGUMENTS"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + else + { + /* If there aren't any more variable-sized arguments after this, + then we must check for exact msg-size and we don't need to + update msgh_size. */ + + boolean_t LastVarArg = arg->argRequestPos+1 == rt->rtNumRequestVar; + + /* calculate the actual size in bytes of the data field. note + that this quantity must be a multiple of four. hence, if + the base type size isn't a multiple of four, we have to + round up. note also that btype->itNumber must + divide btype->itTypeSize (see itCalculateSizeInfo). */ + + fprintf(file, "\tmsgh_size_delta = "); + WriteCheckArgSize(file, arg); + fprintf(file, ";\n"); + fprintf(file, "#if\tTypeCheck\n"); + + /* Don't decrement msgh_size until we've checked that + it won't underflow. */ + + if (LastVarArg) + fprintf(file, "\tif (msgh_size != %d + msgh_size_delta)\n", + rt->rtRequestSize); + else + fprintf(file, "\tif (msgh_size < %d + msgh_size_delta)\n", + rt->rtRequestSize); + WriteMsgError(file, "MIG_BAD_ARGUMENTS"); + + if (!LastVarArg) + fprintf(file, "\tmsgh_size -= msgh_size_delta;\n"); + + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + fprintf(file, "\n"); +} + +static const char * +InArgMsgField(register const argument_t *arg) +{ + static char buffer[100]; + + /* + * Inside the kernel, the request and reply port fields + * really hold ipc_port_t values, not mach_port_t values. + * Hence we must cast the values. + */ + + if (IsKernelServer && + ((akIdent(arg->argKind) == akeRequestPort) || + (akIdent(arg->argKind) == akeReplyPort))) + sprintf(buffer, "(ipc_port_t) In%dP->%s", + arg->argRequestPos, arg->argMsgField); + else + sprintf(buffer, "In%dP->%s", + arg->argRequestPos, arg->argMsgField); + + return buffer; +} + +static void +WriteExtractArgValue(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + if (arg->argMultiplier > 1) + WriteCopyType(file, it, "%s", "/* %s */ %s / %d", + arg->argVarName, InArgMsgField(arg), arg->argMultiplier); + else if (it->itInTrans != strNULL) + WriteCopyType(file, it, "%s", "/* %s */ %s(%s)", + arg->argVarName, it->itInTrans, InArgMsgField(arg)); + else + WriteCopyType(file, it, "%s", "/* %s */ %s", + arg->argVarName, InArgMsgField(arg)); + fprintf(file, "\n"); +} + +static void +WriteInitializeCount(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argParent->argType; + register const ipc_type_t *btype = ptype->itElement; + + /* + * Initialize 'count' argument for variable-length inline OUT parameter + * with maximum allowed number of elements. + */ + + fprintf(file, "\t%s = %d;\n", arg->argVarName, + ptype->itNumber/btype->itNumber); + + /* + * If the user passed in a count, then we use the minimum. + * We can't let the user completely override our maximum, + * or the user might convince the server to overwrite the buffer. + */ + + if (arg->argCInOut != argNULL) { + const char *msgfield = InArgMsgField(arg->argCInOut); + + fprintf(file, "\tif (%s < %s)\n", msgfield, arg->argVarName); + fprintf(file, "\t\t%s = %s;\n", arg->argVarName, msgfield); + } + + fprintf(file, "\n"); +} + +static void +WriteInitializePtr(FILE *file, register const argument_t *arg) +{ + if (akCheck(arg->argKind, akbVarNeeded)) + fprintf(file, "\t%sP = %s;\n", + arg->argVarName, arg->argVarName); + else + fprintf(file, "\t%sP = OutP->%s;\n", + arg->argVarName, arg->argMsgField); +} + +static void +WriteTypeCheckArg(FILE *file, register const argument_t *arg) +{ + if (akCheck(arg->argKind, akbRequest)) { + WriteTypeCheck(file, arg); + + if (akCheck(arg->argKind, akbVariable)) + WriteCheckMsgSize(file, arg); + } +} + +static void +WriteAdjustRequestMsgPtr(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + + fprintf(file, + "\tIn%dP = (Request *) ((char *) In%dP + msgh_size_delta - %d);\n\n", + arg->argRequestPos+1, arg->argRequestPos, + ptype->itTypeSize + ptype->itPadSize); +} + +static void +WriteTypeCheckRequestArgs(FILE *file, register const routine_t *rt) +{ + register const argument_t *arg; + register const argument_t *lastVarArg; + + lastVarArg = argNULL; + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + + /* + * Advance message pointer if the last request argument was + * variable-length and the request position will change. + */ + if (lastVarArg != argNULL && + lastVarArg->argRequestPos < arg->argRequestPos) + { + WriteAdjustRequestMsgPtr(file, lastVarArg); + lastVarArg = argNULL; + } + + /* + * Type-check the argument. + */ + WriteTypeCheckArg(file, arg); + + /* + * Remember whether this was variable-length. + */ + if (akCheckAll(arg->argKind, akbVariable|akbRequest)) + lastVarArg = arg; + } +} + +static void +WriteExtractArg(FILE *file, register const argument_t *arg) +{ + if (akCheckAll(arg->argKind, akbSendRcv|akbVarNeeded)) + WriteExtractArgValue(file, arg); + + if ((akIdent(arg->argKind) == akeCount) && + akCheck(arg->argKind, akbReturnSnd)) + { + register ipc_type_t *ptype = arg->argParent->argType; + + if (ptype->itInLine && ptype->itVarArray) + WriteInitializeCount(file, arg); + } + + if (akCheckAll(arg->argKind, akbReturnSnd|akbPointer)) + WriteInitializePtr(file, arg); +} + +static void +WriteServerCallArg(FILE *file, register const argument_t *arg) +{ + const ipc_type_t *it = arg->argType; + boolean_t NeedClose = FALSE; + + if (arg->argByReferenceServer) + fprintf(file, "&"); + + if ((it->itInTrans != strNULL) && + akCheck(arg->argKind, akbSendRcv) && + !akCheck(arg->argKind, akbVarNeeded)) + { + fprintf(file, "%s(", it->itInTrans); + NeedClose = TRUE; + } + + if (akCheck(arg->argKind, akbPointer)) + fprintf(file, "%sP", arg->argVarName); + else if (akCheck(arg->argKind, akbVarNeeded)) + fprintf(file, "%s", arg->argVarName); + else if (akCheck(arg->argKind, akbSendRcv)) { + if (akCheck(arg->argKind, akbIndefinite)) { + fprintf(file, "(In%dP->%s%s.msgt_inline) ", + arg->argRequestPos, + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + fprintf(file, "? %s ", InArgMsgField(arg)); + fprintf(file, ": *((%s **)%s)", + FetchServerType(arg->argType->itElement), + InArgMsgField(arg)); + } + else + fprintf(file, "%s", InArgMsgField(arg)); + } + else + fprintf(file, "OutP->%s", arg->argMsgField); + + if (NeedClose) + fprintf(file, ")"); + + if (!arg->argByReferenceServer && (arg->argMultiplier > 1)) + fprintf(file, " / %d", arg->argMultiplier); +} + +static void +WriteDestroyArg(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + if (akCheck(arg->argKind, akbIndefinite)) { + /* + * Deallocate only if out-of-line. + */ + argument_t *count = arg->argCount; + ipc_type_t *btype = it->itElement; + int multiplier = btype->itTypeSize / btype->itNumber; + + fprintf(file, "\tif (!In%dP->%s%s.msgt_inline)\n", + arg->argRequestPos, + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + fprintf(file, "\t\t%smig_deallocate(* (vm_offset_t *) %s, ", + SubrPrefix, InArgMsgField(arg)); + if (multiplier > 1) + fprintf(file, "%d * ", multiplier); + fprintf(file, " %s);\n", InArgMsgField(count)); + } else { + if (akCheck(arg->argKind, akbVarNeeded)) + fprintf(file, "\t%s(%s);\n", it->itDestructor, arg->argVarName); + else + fprintf(file, "\t%s(%s);\n", it->itDestructor, + InArgMsgField(arg)); + } +} + +static void +WriteDestroyPortArg(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + /* + * If a translated port argument occurs in the body of a request + * message, and the message is successfully processed, then the + * port right should be deallocated. However, the called function + * didn't see the port right; it saw the translation. So we have + * to release the port right for it. + */ + + if ((it->itInTrans != strNULL) && + (it->itOutName == MACH_MSG_TYPE_PORT_SEND)) + { + fprintf(file, "\n"); + fprintf(file, "\tif (IP_VALID(%s))\n", InArgMsgField(arg)); + fprintf(file, "\t\t%sipc_port_release_send(%s);\n", + SubrPrefix, InArgMsgField(arg)); + } +} + +/* + * Check whether WriteDestroyPortArg would generate any code for arg. + */ +static boolean_t +CheckDestroyPortArg(register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + if ((it->itInTrans != strNULL) && + (it->itOutName == MACH_MSG_TYPE_PORT_SEND)) + { + return TRUE; + } + return FALSE; +} + +static void +WriteServerCall(FILE *file, const routine_t *rt) +{ + boolean_t NeedClose = FALSE; + + fprintf(file, "\t"); + if (rt->rtServerReturn != argNULL) + { + const argument_t *arg = rt->rtServerReturn; + const ipc_type_t *it = arg->argType; + + fprintf(file, "OutP->%s = ", arg->argMsgField); + if (it->itOutTrans != strNULL) + { + fprintf(file, "%s(", it->itOutTrans); + NeedClose = TRUE; + } + } + fprintf(file, "%s(", rt->rtServerName); + WriteList(file, rt->rtArgs, WriteServerCallArg, akbServerArg, ", ", ""); + if (NeedClose) + fprintf(file, ")"); + fprintf(file, ");\n"); +} + +static void +WriteGetReturnValue(FILE *file, register const routine_t *rt) +{ + if (rt->rtServerReturn != rt->rtRetCode) + fprintf(file, "\tOutP->%s = KERN_SUCCESS;\n", + rt->rtRetCode->argMsgField); +} + +static void +WriteCheckReturnValue(FILE *file, register const routine_t *rt) +{ + if (rt->rtServerReturn == rt->rtRetCode) + { + fprintf(file, "\tif (OutP->%s != KERN_SUCCESS)\n", + rt->rtRetCode->argMsgField); + fprintf(file, "\t\treturn;\n"); + } +} + +static void +WritePackArgType(FILE *file, register const argument_t *arg) +{ + fprintf(file, "\n"); + + WritePackMsgType(file, arg->argType, + arg->argType->itIndefinite ? d_NO : arg->argDeallocate, + arg->argLongForm, !IsKernelServer, + "OutP->%s", "%s", arg->argTTName); +} + +static void +WritePackArgValue(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + fprintf(file, "\n"); + + if (it->itInLine && it->itVarArray) { + + if (it->itString) { + /* + * Copy variable-size C string with mig_strncpy. + * Save the string length (+ 1 for trailing 0) + * in the argument`s count field. + */ + fprintf(file, + "\tOutP->%s = %smig_strncpy(OutP->%s, %s, %d);\n", + arg->argCount->argMsgField, + SubrPrefix, + arg->argMsgField, + arg->argVarName, + it->itNumber); + } + else { + register argument_t *count = arg->argCount; + register ipc_type_t *btype = it->itElement; + + /* Note btype->itNumber == count->argMultiplier */ + + if (it->itIndefinite) { + /* + * If we are packing argument, it must be from + * a local variable. + */ + fprintf(file, "\tif (%sP != %s) {\n", + arg->argVarName, + arg->argVarName); + fprintf(file, "\t\tOutP->%s%s.msgt_inline = FALSE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + if (arg->argDeallocate == d_YES) + fprintf(file, "\t\tOutP->%s%s.msgt_deallocate = TRUE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + else if (arg->argDeallocate == d_MAYBE) + fprintf(file, "\t\tOutP->%s%s.msgt_deallocate = %s;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + arg->argDealloc->argVarName); + fprintf(file, "\t\t*((%s **)OutP->%s) = %sP;\n", + FetchServerType(btype), + arg->argMsgField, + arg->argVarName); + if (!arg->argRoutine->rtSimpleFixedReply) + fprintf(file, "\t\tmsgh_simple = FALSE;\n"); + fprintf(file, "\t}\n\telse {\n\t"); + } + fprintf(file, "\tmemcpy(OutP->%s, %s, ", + arg->argMsgField, arg->argVarName); + if (btype->itTypeSize > 1) + fprintf(file, "%d * ", + btype->itTypeSize); + fprintf(file, "%s);\n", + count->argVarName); + if (it->itIndefinite) + fprintf(file, "\t}\n"); + } + } + else if (arg->argMultiplier > 1) + WriteCopyType(file, it, "OutP->%s", "/* %s */ %d * %s", + arg->argMsgField, + arg->argMultiplier, + arg->argVarName); + else if (it->itOutTrans != strNULL) + WriteCopyType(file, it, "OutP->%s", "/* %s */ %s(%s)", + arg->argMsgField, it->itOutTrans, arg->argVarName); + else + WriteCopyType(file, it, "OutP->%s", "/* %s */ %s", + arg->argMsgField, arg->argVarName); +} + +static void +WriteCopyArgValue(FILE *file, register const argument_t *arg) +{ + fprintf(file, "\n"); + WriteCopyType(file, arg->argType, "/* %d */ OutP->%s", "In%dP->%s", + arg->argRequestPos, arg->argMsgField); +} + +static void +WriteAdjustMsgSimple(FILE *file, register const argument_t *arg) +{ + /* akbVarNeeded must be on */ + + if (!arg->argRoutine->rtSimpleFixedReply) + { + fprintf(file, "\n"); + fprintf(file, "\tif (MACH_MSG_TYPE_PORT_ANY(%s))\n", arg->argVarName); + fprintf(file, "\t\tmsgh_simple = FALSE;\n"); + } +} + +static void +WriteAdjustMsgCircular(FILE *file, register const argument_t *arg) +{ + fprintf(file, "\n"); + + if (arg->argType->itOutName == MACH_MSG_TYPE_POLYMORPHIC) + fprintf(file, "\tif (%s == MACH_MSG_TYPE_PORT_RECEIVE)\n", + arg->argPoly->argVarName); + + /* + * The carried port right can be accessed in OutP->XXXX. Normally + * the server function stuffs it directly there. If it is InOut, + * then it has already been copied into the reply message. + * If the server function deposited it into a variable (perhaps + * because the reply message is variable-sized) then it has already + * been copied into the reply message. Note we must use InHeadP + * (or In0P->Head) and OutHeadP to access the message headers, + * because of the variable-sized messages. + */ + + fprintf(file, "\tif (IP_VALID((ipc_port_t) InHeadP->msgh_reply_port) &&\n"); + fprintf(file, "\t IP_VALID((ipc_port_t) OutP->%s) &&\n", arg->argMsgField); + fprintf(file, "\t %sipc_port_check_circularity((ipc_port_t) OutP->%s, (ipc_port_t) InHeadP->msgh_reply_port))\n", + SubrPrefix, arg->argMsgField); + fprintf(file, "\t\tOutHeadP->msgh_bits |= MACH_MSGH_BITS_CIRCULAR;\n"); +} + +/* + * Calculate the size of a variable-length message field. + */ +static void +WriteArgSize(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + register int bsize = ptype->itElement->itTypeSize; + register const argument_t *count = arg->argCount; + + if (ptype->itIndefinite) { + /* + * Check descriptor. If out-of-line, use standard size. + */ + fprintf(file, "(OutP->%s%s.msgt_inline) ? ", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + } + + if (bsize % 4 != 0) + fprintf(file, "("); + + if (bsize > 1) + fprintf(file, "%d * ", bsize); + if (ptype->itString) + /* get count from descriptor in message */ + fprintf(file, "OutP->%s", count->argMsgField); + else + /* get count from argument */ + fprintf(file, "%s", count->argVarName); + + /* + * If the base type size is not a multiple of sizeof(int) [4], + * we have to round up. + */ + if (bsize % 4 != 0) + fprintf(file, " + 3) & ~3"); + + if (ptype->itIndefinite) { + fprintf(file, " : sizeof(%s *)", + FetchServerType(ptype->itElement)); + } +} + +/* + * Adjust message size and advance reply pointer. + * Called after packing a variable-length argument that + * has more arguments following. + */ +static void +WriteAdjustMsgSize(FILE *file, register const argument_t *arg) +{ + register routine_t *rt = arg->argRoutine; + register ipc_type_t *ptype = arg->argType; + + /* There are more Out arguments. We need to adjust msgh_size + and advance OutP, so we save the size of the current field + in msgh_size_delta. */ + + fprintf(file, "\tmsgh_size_delta = "); + WriteArgSize(file, arg); + fprintf(file, ";\n"); + + if (rt->rtNumReplyVar == 1) + /* We can still address the message header directly. Fill + in the size field. */ + + fprintf(file, "\tOutP->Head.msgh_size = %d + msgh_size_delta;\n", + rt->rtReplySize); + else + if (arg->argReplyPos == 0) + /* First variable-length argument. The previous msgh_size value + is the minimum reply size. */ + + fprintf(file, "\tmsgh_size = %d + msgh_size_delta;\n", + rt->rtReplySize); + else + fprintf(file, "\tmsgh_size += msgh_size_delta;\n"); + + fprintf(file, + "\tOutP = (Reply *) ((char *) OutP + msgh_size_delta - %d);\n", + ptype->itTypeSize + ptype->itPadSize); +} + +/* + * Calculate the size of the message. Called after the + * last argument has been packed. + */ +static void +WriteFinishMsgSize(FILE *file, register const argument_t *arg) +{ + /* No more Out arguments. If this is the only variable Out + argument, we can assign to msgh_size directly. */ + + if (arg->argReplyPos == 0) { + fprintf(file, "\tOutP->Head.msgh_size = %d + (", + arg->argRoutine->rtReplySize); + WriteArgSize(file, arg); + fprintf(file, ");\n"); + } + else { + fprintf(file, "\tmsgh_size += "); + WriteArgSize(file, arg); + fprintf(file, ";\n"); + } +} + +static void +WritePackArg(FILE *file, register const argument_t *arg) +{ + if (akCheck(arg->argKind, akbReplyInit)) + WritePackArgType(file, arg); + + if ((akIdent(arg->argKind) == akePoly) && + akCheck(arg->argKind, akbReturnSnd)) + WriteAdjustMsgSimple(file, arg); + + if (akCheckAll(arg->argKind, akbReturnSnd|akbVarNeeded)) + WritePackArgValue(file, arg); + else if (akCheckAll(arg->argKind, akbReturnSnd|akbVariable)) { + register const ipc_type_t *it = arg->argType; + + if (it->itString) { + /* Need to call strlen to calculate the size of the argument. */ + fprintf(file, "\tOutP->%s = strlen(OutP->%s) + 1;\n", + arg->argCount->argMsgField, arg->argMsgField); + } else if (it->itIndefinite) { + /* + * We know that array is in reply message. + */ + fprintf(file, "\tif (%sP != OutP->%s) {\n", + arg->argVarName, + arg->argMsgField); + fprintf(file, "\t\tOutP->%s%s.msgt_inline = FALSE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + if (arg->argDeallocate == d_YES) + fprintf(file, "\t\tOutP->%s%s.msgt_deallocate = TRUE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + else if (arg->argDeallocate == d_MAYBE) + fprintf(file, "\t\tOutP->%s%s.msgt_deallocate = %s;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + arg->argDealloc->argVarName); + fprintf(file, "\t\t*((%s **)OutP->%s) = %sP;\n", + FetchServerType(it->itElement), + arg->argMsgField, + arg->argVarName); + if (!arg->argRoutine->rtSimpleFixedReply) + fprintf(file, "\t\tmsgh_simple = FALSE;\n"); + fprintf(file, "\t}\n"); + } + } + + if (akCheck(arg->argKind, akbReplyCopy)) + WriteCopyArgValue(file, arg); + + /* + * If this is a KernelServer, and the reply message contains + * a receive right, we must check for the possibility of a + * port/message circularity. If queueing the reply message + * would cause a circularity, we mark the reply message + * with the circular bit. + */ + + if (IsKernelServer && + akCheck(arg->argKind, akbReturnSnd) && + ((arg->argType->itOutName == MACH_MSG_TYPE_PORT_RECEIVE) || + (arg->argType->itOutName == MACH_MSG_TYPE_POLYMORPHIC))) + WriteAdjustMsgCircular(file, arg); +} + +/* + * Handle reply arguments - fill in message types and copy arguments + * that need to be copied. + */ +static void +WritePackReplyArgs(FILE *file, register const routine_t *rt) +{ + register const argument_t *arg; + register const argument_t *lastVarArg; + + lastVarArg = argNULL; + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + + /* + * Adjust message size and advance message pointer if + * the last reply argument was variable-length and the + * request position will change. + */ + if (lastVarArg != argNULL && + lastVarArg->argReplyPos < arg->argReplyPos) + { + WriteAdjustMsgSize(file, lastVarArg); + lastVarArg = argNULL; + } + + /* + * Copy the argument + */ + WritePackArg(file, arg); + + /* + * Remember whether this was variable-length. + */ + if (akCheckAll(arg->argKind, akbReturnSnd|akbVariable)) + lastVarArg = arg; + } + + /* + * Finish the message size. + */ + if (lastVarArg != argNULL) + WriteFinishMsgSize(file, lastVarArg); +} + +static void +WriteFieldDecl(FILE *file, const argument_t *arg) +{ + WriteFieldDeclPrim(file, arg, FetchServerType); +} + +static void +WriteRoutine(FILE *file, register const routine_t *rt) +{ + fprintf(file, "\n"); + + fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName); + fprintf(file, "mig_internal void _X%s\n", rt->rtName); + fprintf(file, "\t(mach_msg_header_t *InHeadP, mach_msg_header_t *OutHeadP)\n"); + + fprintf(file, "{\n"); + WriteStructDecl(file, rt->rtArgs, WriteFieldDecl, akbRequest, "Request"); + WriteStructDecl(file, rt->rtArgs, WriteFieldDecl, akbReply, "Reply"); + + WriteVarDecls(file, rt); + + WriteList(file, rt->rtArgs, WriteCheckDecl, akbRequestQC, "\n", "\n"); + WriteList(file, rt->rtArgs, + IsKernelServer ? WriteTypeDeclOut : WriteTypeDeclIn, + akbReplyInit, "\n", "\n"); + + WriteList(file, rt->rtArgs, WriteLocalVarDecl, + akbVarNeeded, ";\n", ";\n\n"); + WriteList(file, rt->rtArgs, WriteLocalPtrDecl, + akbPointer, ";\n", ";\n\n"); + + WriteCheckHead(file, rt); + + WriteTypeCheckRequestArgs(file, rt); + WriteList(file, rt->rtArgs, WriteExtractArg, akbNone, "", ""); + + WriteServerCall(file, rt); + WriteGetReturnValue(file, rt); + + WriteReverseList(file, rt->rtArgs, WriteDestroyArg, akbDestroy, "", ""); + + /* + * For one-way routines, it doesn`t make sense to check the return + * code, because we return immediately afterwards. However, + * kernel servers may want to deallocate port arguments - and the + * deallocation must not be done if the return code is not KERN_SUCCESS. + */ + if (rt->rtOneWay || rt->rtNoReplyArgs) + { + if (IsKernelServer) + { + if (rtCheckMaskFunction(rt->rtArgs, akbSendBody|akbSendRcv, + CheckDestroyPortArg)) + { + WriteCheckReturnValue(file, rt); + } + WriteReverseList(file, rt->rtArgs, WriteDestroyPortArg, + akbSendBody|akbSendRcv, "", ""); + } + } + else + { + WriteCheckReturnValue(file, rt); + + if (IsKernelServer) + WriteReverseList(file, rt->rtArgs, WriteDestroyPortArg, + akbSendBody|akbSendRcv, "", ""); + + WriteReplyInit(file, rt); + WritePackReplyArgs(file, rt); + WriteReplyHead(file, rt); + } + + fprintf(file, "}\n"); +} + +void +WriteServer(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + + WriteProlog(file); + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + WriteRoutine(file, stat->stRoutine); + break; + case skImport: + case skSImport: + WriteImport(file, stat->stFileName); + break; + case skUImport: + break; + default: + fatal("WriteServer(): bad statement_kind_t (%d)", + (int) stat->stKind); + } + WriteEpilog(file, stats); +} diff --git a/mig/statement.c b/mig/statement.c new file mode 100644 index 0000000..d26e17c --- /dev/null +++ b/mig/statement.c @@ -0,0 +1,48 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <stdlib.h> + +#include "global.h" +#include "error.h" +#include "statement.h" + +statement_t *StatementList = stNULL; +static statement_t **last = &StatementList; + +statement_t * +stAlloc(void) +{ + register statement_t *new; + + new = malloc(sizeof *new); + if (new == stNULL) + fatal("stAlloc(): %s", unix_error_string(errno)); + *last = new; + last = &new->stNext; + new->stNext = stNULL; + return new; +} diff --git a/mig/statement.h b/mig/statement.h new file mode 100644 index 0000000..914c6d8 --- /dev/null +++ b/mig/statement.h @@ -0,0 +1,65 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _STATEMENT_H +#define _STATEMENT_H + +#include "routine.h" + +typedef enum statement_kind +{ + skRoutine, + skImport, + skUImport, + skSImport, + skRCSDecl, +} statement_kind_t; + +typedef struct statement +{ + statement_kind_t stKind; + struct statement *stNext; + union + { + /* when stKind == skRoutine */ + routine_t *_stRoutine; + /* when stKind == skImport, skUImport, skSImport */ + const_string_t _stFileName; + } data; +} statement_t; + +#define stRoutine data._stRoutine +#define stFileName data._stFileName + +#define stNULL ((statement_t *) 0) + +/* stNext will be initialized to put the statement in the list */ +extern statement_t *stAlloc(void); + +/* list of statements, in order they occur in the .defs file */ +extern statement_t *StatementList; + +#endif _STATEMENT_H diff --git a/mig/string.c b/mig/string.c new file mode 100644 index 0000000..6fe29c2 --- /dev/null +++ b/mig/string.c @@ -0,0 +1,79 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <sys/types.h> +#include <stdlib.h> + +#include "boolean.h" +#include "error.h" +#include "mig_string.h" + +string_t +strmake(const char *string) +{ + register string_t saved; + + saved = malloc(strlen(string) + 1); + if (saved == strNULL) + fatal("strmake('%s'): %s", string, unix_error_string(errno)); + return strcpy(saved, string); +} + +string_t +strconcat(const_string_t left, const_string_t right) +{ + register string_t saved; + + saved = malloc(strlen(left) + strlen(right) + 1); + if (saved == strNULL) + fatal("strconcat('%s', '%s'): %s", + left, right, unix_error_string(errno)); + return strcat(strcpy(saved, left), right); +} + +void +strfree(string_t string) +{ + free(string); +} + +const char * +strbool(boolean_t bool) +{ + if (bool) + return "TRUE"; + else + return "FALSE"; +} + +const char * +strstring(const_string_t string) +{ + if (string == strNULL) + return "NULL"; + else + return string; +} diff --git a/mig/type.c b/mig/type.c new file mode 100644 index 0000000..9c786e2 --- /dev/null +++ b/mig/type.c @@ -0,0 +1,918 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <stdio.h> +#include <stdlib.h> + +#include "error.h" +#include "global.h" +#include "type.h" +#include "message.h" + +#if word_size_in_bits == 32 +#define word_size_name MACH_MSG_TYPE_INTEGER_32 +#define word_size_name_string "MACH_MSG_TYPE_INTEGER_32" +#else +#if word_size_in_bits == 64 +#define word_size_name MACH_MSG_TYPE_INTEGER_64 +#define word_size_name_string "MACH_MSG_TYPE_INTEGER_64" +#else +#error Unsupported word size! +#endif +#endif + +ipc_type_t *itRetCodeType; /* used for return codes */ +ipc_type_t *itDummyType; /* used for camelot dummy args */ +ipc_type_t *itRequestPortType; /* used for default Request port arg */ +ipc_type_t *itZeroReplyPortType;/* used for dummy Reply port arg */ +ipc_type_t *itRealReplyPortType;/* used for default Reply port arg */ +ipc_type_t *itWaitTimeType; /* used for dummy WaitTime args */ +ipc_type_t *itMsgOptionType; /* used for dummy MsgOption args */ + +static ipc_type_t *list = itNULL; + +/* + * Searches for a named type. We use a simple + * self-organizing linked list. + */ +ipc_type_t * +itLookUp(identifier_t name) +{ + register ipc_type_t *it, **last; + + for (it = *(last = &list); it != itNULL; it = *(last = &it->itNext)) + if (streql(name, it->itName)) + { + /* move this type to the front of the list */ + *last = it->itNext; + it->itNext = list; + list = it; + + return it; + } + + return itNULL; +} + +/* + * Enters a new name-type association into + * our self-organizing linked list. + */ +void +itInsert(identifier_t name, ipc_type_t *it) +{ + it->itName = name; + it->itNext = list; + list = it; +} + +static ipc_type_t * +itAlloc(void) +{ + static const ipc_type_t prototype = + { + strNULL, /* identifier_t itName */ + 0, /* ipc_type_t *itNext */ + 0, /* u_int itTypeSize */ + 0, /* u_int itPadSize */ + 0, /* u_int itMinTypeSize */ + 0, /* u_int itInName */ + 0, /* u_int itOutName */ + 0, /* u_int itSize */ + 1, /* u_int itNumber */ + TRUE, /* boolean_t itInLine */ + FALSE, /* boolean_t itLongForm */ + d_NO, /* dealloc_t itDeallocate */ + strNULL, /* string_t itInNameStr */ + strNULL, /* string_t itOutNameStr */ + flNone, /* ipc_flags_t itFlags */ + TRUE, /* boolean_t itStruct */ + FALSE, /* boolean_t itString */ + FALSE, /* boolean_t itVarArray */ + FALSE, /* boolean_t itIndefinite */ + itNULL, /* ipc_type_t *itElement */ + strNULL, /* identifier_t itUserType */ + strNULL, /* identifier_t itServerType */ + strNULL, /* identifier_t itTransType */ + strNULL, /* identifier_t itInTrans */ + strNULL, /* identifier_t itOutTrans */ + strNULL, /* identifier_t itDestructor */ + }; + register ipc_type_t *new; + + new = malloc(sizeof *new); + if (new == itNULL) + fatal("itAlloc(): %s", unix_error_string(errno)); + *new = prototype; + return new; +} + +/* + * Convert an IPC type-name into a string. + */ +static string_t +itNameToString(u_int name) +{ + char buffer[100]; + + (void) sprintf(buffer, "%u", name); + return strmake(buffer); +} + +/* + * Calculate itTypeSize, itPadSize, itMinTypeSize. + * Every type needs this info; it is recalculated + * when itInLine, itNumber, or itSize changes. + */ +static void +itCalculateSizeInfo(register ipc_type_t *it) +{ + if (it->itInLine) + { + u_int bytes = (it->itNumber * it->itSize + 7) / 8; + u_int padding = (4 - bytes%4)%4; + + it->itTypeSize = bytes; + it->itPadSize = padding; + if (it->itVarArray) + it->itMinTypeSize = 0; + else + it->itMinTypeSize = bytes + padding; + } + else + { + /* out-of-line, so use size of pointers */ + u_int bytes = sizeof_pointer; + + it->itTypeSize = bytes; + it->itPadSize = 0; + it->itMinTypeSize = bytes; + } + + /* Unfortunately, these warning messages can't give a type name; + we haven't seen a name yet (it might stay anonymous.) */ + + if ((it->itNumber * it->itSize) % 8 != 0) + warn("size of C types must be multiples of 8 bits"); + + if ((it->itTypeSize == 0) && !it->itVarArray) + warn("sizeof(%s) == 0", it->itName); +} + +/* + * Fill in default values for some fields used in code generation: + * itInNameStr, itOutNameStr, itUserType, itServerType, itTransType + * Every argument's type should have these values filled in. + */ +static void +itCalculateNameInfo(register ipc_type_t *it) +{ + if (it->itInNameStr == strNULL) + it->itInNameStr = strmake(itNameToString(it->itInName)); + if (it->itOutNameStr == strNULL) + it->itOutNameStr = strmake(itNameToString(it->itOutName)); + + if (it->itUserType == strNULL) + it->itUserType = it->itName; + if (it->itServerType == strNULL) + it->itServerType = it->itName; + + /* + * KernelServer and KernelUser interfaces get special treatment here. + * On the kernel side of the interface, ports are really internal + * port pointers (ipc_port_t), not port names (mach_port_t). + * At this point, we don't know if the argument is in or out, + * so we don't know if we should look at itInName or itOutName. + * Looking at both should be OK. + * + * This is definitely a hack, but I think it is cleaner than + * mucking with type declarations throughout the kernel .def files, + * hand-conditionalizing on KERNEL_SERVER and KERNEL_USER. + */ + + if (IsKernelServer && + streql(it->itServerType, "mach_port_t") && + (((it->itInName == MACH_MSG_TYPE_POLYMORPHIC) && + (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC)) || + MACH_MSG_TYPE_PORT_ANY(it->itInName) || + MACH_MSG_TYPE_PORT_ANY(it->itOutName))) + it->itServerType = "ipc_port_t"; + + if (IsKernelUser && + streql(it->itUserType, "mach_port_t") && + (((it->itInName == MACH_MSG_TYPE_POLYMORPHIC) && + (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC)) || + MACH_MSG_TYPE_PORT_ANY(it->itInName) || + MACH_MSG_TYPE_PORT_ANY(it->itOutName))) + it->itUserType = "ipc_port_t"; + + if (it->itTransType == strNULL) + it->itTransType = it->itServerType; +} + +ipc_flags_t +itCheckFlags(ipc_flags_t flags, identifier_t name) +{ + /* only one of flLong and flNotLong */ + + if ((flags&(flLong|flNotLong)) == (flLong|flNotLong)) { + warn("%s: IsLong and IsNotLong cancel out", name); + flags &= ~(flLong|flNotLong); + } + + /* only one of flDealloc, flNotDealloc, flMaybeDealloc */ + + if (flags & flMaybeDealloc) { + if (flags & (flDealloc|flNotDealloc)) { + warn("%s: Dealloc and NotDealloc ignored with Dealloc[]", name); + flags &= ~(flDealloc|flNotDealloc); + } + } + + if ((flags&(flDealloc|flNotDealloc)) == (flDealloc|flNotDealloc)) { + warn("%s: Dealloc and NotDealloc cancel out", name); + flags &= ~(flDealloc|flNotDealloc); + } + + return flags; +} + +dealloc_t +itCheckDeallocate(const ipc_type_t *it, ipc_flags_t flags, dealloc_t dfault, + identifier_t name) +{ + dealloc_t dealloc = dfault; + + if (flags & flMaybeDealloc) + dealloc = d_MAYBE; + if (flags & flDealloc) + dealloc = d_YES; + if (flags & flNotDealloc) + dealloc = d_NO; + + if (dealloc == dfault) { + if (flags & flMaybeDealloc) + warn("%s: Dealloc[] is redundant", name); + if (flags & flDealloc) + warn("%s: Dealloc is redundant", name); + if (flags & flNotDealloc) + warn("%s: NotDealloc is redundant", name); + } + + if (flags & (flMaybeDealloc|flDealloc|flNotDealloc)) { + /* only give semantic warnings if the user specified something */ + + if (dealloc != d_NO) { + if (it->itInLine && !it->itIndefinite) + warn("%s: Dealloc will cause an IPC error", name); + } + } + + return dealloc; +} + +static enum uselong { NotLong, CanBeLong, ShouldBeLong, MustBeLong, TooLong } +itUseLong(register const ipc_type_t *it) +{ + enum uselong uselong = NotLong; + + if ((it->itInName == MACH_MSG_TYPE_POLYMORPHIC) || + (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC) || + it->itVarArray) + uselong = CanBeLong; + + if ((it->itVarArray && !it->itInLine) || it->itIndefinite) + uselong = ShouldBeLong; + + if (((it->itInName != MACH_MSG_TYPE_POLYMORPHIC) && + (it->itInName >= (1<<8))) || + ((it->itOutName != MACH_MSG_TYPE_POLYMORPHIC) && + (it->itOutName >= (1<<8))) || + (it->itSize >= (1<<8)) || + (it->itNumber >= (1<<12))) + uselong = MustBeLong; + + if (((it->itInName != MACH_MSG_TYPE_POLYMORPHIC) && + (it->itInName >= (1<<16))) || + ((it->itOutName != MACH_MSG_TYPE_POLYMORPHIC) && + (it->itOutName >= (1<<16))) || + (it->itSize >= (1<<16))) + uselong = TooLong; + + return uselong; +} + +boolean_t +itCheckIsLong(const ipc_type_t *it, ipc_flags_t flags, boolean_t dfault, + identifier_t name) +{ + boolean_t islong = dfault; + + if (flags & flLong) + islong = TRUE; + if (flags & flNotLong) + islong = FALSE; + + if (islong == dfault) { + if (flags & flLong) + warn("%s: IsLong is redundant", name); + if (flags & flNotLong) + warn("%s: IsNotLong is redundant", name); + } + + if (flags & (flLong|flNotLong)) { + enum uselong uselong = itUseLong(it); + + /* only give semantic warnings if the user specified something */ + + if (islong && ((int)uselong <= (int)NotLong)) + warn("%s: doesn't need IsLong", name); + if (!islong && ((int)uselong >= (int)MustBeLong)) + warn("%s: too big for IsNotLong", name); + } + + return islong; +} + +/****************************************************** + * Checks for non-implemented types, conflicting type + * flags and whether the long or short form of msg type + * descriptor is appropriate. Called after each type statement + * is parsed. + ******************************************************/ +static void +itCheckDecl(identifier_t name, register ipc_type_t *it) +{ + enum uselong uselong; + + it->itName = name; + + itCalculateNameInfo(it); + + /* do a bit of error checking, mostly necessary because of + limitations in Mig */ + + if (it->itVarArray) { + if ((it->itInTrans != strNULL) || (it->itOutTrans != strNULL)) + error("%s: can't translate variable-sized arrays", name); + + if (it->itDestructor != strNULL) + error("%s: can't destroy variable-sized array", name); + } + + if (it->itVarArray && it->itInLine) { + if ((it->itElement->itUserType == strNULL) || + (it->itElement->itServerType == strNULL)) + error("%s: variable-sized in-line arrays need a named base type", + name); + } + + /* process the IPC flag specification */ + + it->itFlags = itCheckFlags(it->itFlags, name); + + it->itDeallocate = itCheckDeallocate(it, it->itFlags, d_NO, name); + + uselong = itUseLong(it); + if (uselong == TooLong) + warn("%s: too big for mach_msg_type_long_t", name); + it->itLongForm = itCheckIsLong(it, it->itFlags, + (int)uselong >= (int)ShouldBeLong, name); +} + +/* + * Pretty-prints translation/destruction/type information. + */ +static void +itPrintTrans(const ipc_type_t *it) +{ + if (!streql(it->itName, it->itUserType)) + printf("\tCUserType:\t%s\n", it->itUserType); + + if (!streql(it->itName, it->itServerType)) + printf("\tCServerType:\t%s\n", it->itServerType); + + if (it->itInTrans != strNULL) + printf("\tInTran:\t\t%s %s(%s)\n", + it->itTransType, it->itInTrans, it->itServerType); + + if (it->itOutTrans != strNULL) + printf("\tOutTran:\t%s %s(%s)\n", + it->itServerType, it->itOutTrans, it->itTransType); + + if (it->itDestructor != strNULL) + printf("\tDestructor:\t%s(%s)\n", it->itDestructor, it->itTransType); +} + +/* + * Pretty-prints type declarations. + */ +static void +itPrintDecl(identifier_t name, const ipc_type_t *it) +{ + printf("Type %s = ", name); + if (!it->itInLine) + printf("^ "); + if (it->itVarArray) + if (it->itNumber == 0 || it->itIndefinite) + printf("array [] of "); + else + printf("array [*:%d] of ", it->itNumber); + else if (it->itStruct && ((it->itNumber != 1) || + (it->itInName == MACH_MSG_TYPE_STRING_C))) + printf("struct [%d] of ", it->itNumber); + else if (it->itNumber != 1) + printf("array [%d] of ", it->itNumber); + + if (streql(it->itInNameStr, it->itOutNameStr)) + printf("(%s,", it->itInNameStr); + else + printf("(%s|%s", it->itInNameStr, it->itOutNameStr); + + printf(" %d%s%s)\n", it->itSize, it->itLongForm ? ", IsLong" : "", + it->itDeallocate == d_YES ? ", Dealloc" + :it->itDeallocate == d_MAYBE ?", Dealloc[]" + : ""); + + itPrintTrans(it); + + printf("\n"); +} + +/* + * Handles named type-specs, which can occur in type + * declarations or in argument lists. For example, + * type foo = type-spec; // itInsert will get called later + * routine foo(arg : bar = type-spec); // itInsert won't get called + */ +void +itTypeDecl(identifier_t name, ipc_type_t *it) +{ + itCheckDecl(name, it); + + if (BeVerbose) + itPrintDecl(name, it); +} + +/* + * Handles declarations like + * type new = name; + * type new = inname|outname; + */ +ipc_type_t * +itShortDecl(u_int inname, const_string_t instr, u_int outname, + const_string_t outstr, u_int defsize) +{ + if (defsize == 0) + error("must use full IPC type decl"); + + return itLongDecl(inname, instr, outname, outstr, defsize, defsize, flNone); +} + +/* + * Handles declarations like + * type new = (name, size, flags...) + * type new = (inname|outname, size, flags...) + */ +ipc_type_t * +itLongDecl(u_int inname, const_string_t instr, u_int outname, + const_string_t outstr, u_int defsize, u_int size, ipc_flags_t flags) +{ + register ipc_type_t *it; + + if ((defsize != 0) && (defsize != size)) + warn("IPC type decl has strange size (%u instead of %u)", + size, defsize); + + it = itAlloc(); + it->itInName = inname; + it->itInNameStr = instr; + it->itOutName = outname; + it->itOutNameStr = outstr; + it->itSize = size; + if (inname == MACH_MSG_TYPE_STRING_C) + { + it->itStruct = FALSE; + it->itString = TRUE; + } + it->itFlags = flags; + + itCalculateSizeInfo(it); + return it; +} + +static ipc_type_t * +itCopyType(const ipc_type_t *old) +{ + register ipc_type_t *new = itAlloc(); + + *new = *old; + new->itName = strNULL; + new->itNext = itNULL; + new->itElement = (ipc_type_t *) old; + + /* size info still valid */ + return new; +} + +/* + * A call to itCopyType is almost always followed with itResetType. + * The exception is itPrevDecl. Also called before adding any new + * translation/destruction/type info (see parser.y). + * + * type new = old; // new doesn't get old's info + * type new = array[*:10] of old; + * // new doesn't get old's info, but new->itElement does + * type new = array[*:10] of struct[3] of old; + * // new and new->itElement don't get old's info + */ + +ipc_type_t * +itResetType(ipc_type_t *old) +{ + /* reset all special translation/destruction/type info */ + + old->itInTrans = strNULL; + old->itOutTrans = strNULL; + old->itDestructor = strNULL; + old->itUserType = strNULL; + old->itServerType = strNULL; + old->itTransType = strNULL; + return old; +} + +/* + * Handles the declaration + * type new = old; + */ +ipc_type_t * +itPrevDecl(identifier_t name) +{ + register ipc_type_t *old; + + old = itLookUp(name); + if (old == itNULL) + { + error("type '%s' not defined", name); + return itAlloc(); + } + else + return itCopyType(old); +} + +/* + * Handles the declarations + * type new = array[] of old; // number is 0 + * type new = array[*] of old; // number is 0 + * type new = array[*:number] of old; + */ +ipc_type_t * +itVarArrayDecl(u_int number, register const ipc_type_t *old) +{ + register ipc_type_t *it = itResetType(itCopyType(old)); + + if (!it->itInLine || it->itVarArray) + error("IPC type decl is too complicated"); + if (number != 0) + it->itNumber *= number; + else { + /* + * Send at most 2048 bytes inline. + */ + u_int bytes; + + bytes = (it->itNumber * it->itSize + 7) / 8; + it->itNumber = (2048 / bytes) * it->itNumber; + it->itIndefinite = TRUE; + } + it->itVarArray = TRUE; + it->itStruct = FALSE; + it->itString = FALSE; + + itCalculateSizeInfo(it); + return it; +} + +/* + * Handles the declaration + * type new = array[number] of old; + */ +ipc_type_t * +itArrayDecl(u_int number, const ipc_type_t *old) +{ + register ipc_type_t *it = itResetType(itCopyType(old)); + + if (!it->itInLine || it->itVarArray) + error("IPC type decl is too complicated"); + it->itNumber *= number; + it->itStruct = FALSE; + it->itString = FALSE; + + itCalculateSizeInfo(it); + return it; +} + +/* + * Handles the declaration + * type new = ^ old; + */ +ipc_type_t * +itPtrDecl(ipc_type_t *it) +{ + if (!it->itInLine || + (it->itVarArray && !it->itIndefinite && (it->itNumber > 0))) + error("IPC type decl is too complicated"); + it->itNumber = 0; + it->itIndefinite = FALSE; + it->itInLine = FALSE; + it->itStruct = TRUE; + it->itString = FALSE; + + itCalculateSizeInfo(it); + return it; +} + +/* + * Handles the declaration + * type new = struct[number] of old; + */ +ipc_type_t * +itStructDecl(u_int number, const ipc_type_t *old) +{ + register ipc_type_t *it = itResetType(itCopyType(old)); + + if (!it->itInLine || it->itVarArray) + error("IPC type decl is too complicated"); + it->itNumber *= number; + it->itStruct = TRUE; + it->itString = FALSE; + + itCalculateSizeInfo(it); + return it; +} + +/* + * Treat 'c_string[n]' as + * 'array[n] of (MSG_TYPE_STRING_C, 8)' + */ +ipc_type_t * +itCStringDecl(u_int count, boolean_t varying) +{ + register ipc_type_t *it; + register ipc_type_t *itElement; + + itElement = itShortDecl(MACH_MSG_TYPE_STRING_C, + "MACH_MSG_TYPE_STRING_C", + MACH_MSG_TYPE_STRING_C, + "MACH_MSG_TYPE_STRING_C", + 8); + itCheckDecl("char", itElement); + + it = itResetType(itCopyType(itElement)); + it->itNumber = count; + it->itVarArray = varying; + it->itStruct = FALSE; + it->itString = TRUE; + + itCalculateSizeInfo(it); + return it; +} + +ipc_type_t * +itMakeCountType(void) +{ + ipc_type_t *it = itAlloc(); + + it->itName = "mach_msg_type_number_t"; + it->itInName = word_size_name; + it->itInNameStr = word_size_name_string; + it->itOutName = word_size_name; + it->itOutNameStr = word_size_name_string; + it->itSize = word_size_in_bits; + + itCalculateSizeInfo(it); + itCalculateNameInfo(it); + return it; +} + +extern ipc_type_t * +itMakeIntType() +{ + ipc_type_t *it = itAlloc(); + + it->itName = "int"; + it->itInName = MACH_MSG_TYPE_INTEGER_32; + it->itInNameStr = "MACH_MSG_TYPE_INTEGER_32"; + it->itOutName = MACH_MSG_TYPE_INTEGER_32; + it->itOutNameStr = "MACH_MSG_TYPE_INTEGER_32"; + it->itSize = 32; + + itCalculateSizeInfo(it); + itCalculateNameInfo(it); + return it; +} + +ipc_type_t * +itMakePolyType(void) +{ + ipc_type_t *it = itAlloc(); + + it->itName = "mach_msg_type_name_t"; + it->itInName = word_size_name; + it->itInNameStr = word_size_name_string; + it->itOutName = word_size_name; + it->itOutNameStr = word_size_name_string; + it->itSize = word_size_in_bits; + + itCalculateSizeInfo(it); + itCalculateNameInfo(it); + return it; +} + +ipc_type_t * +itMakeDeallocType(void) +{ + ipc_type_t *it = itAlloc(); + + it->itName = "boolean_t"; + it->itInName = MACH_MSG_TYPE_BOOLEAN; + it->itInNameStr = "MACH_MSG_TYPE_BOOLEAN"; + it->itOutName = MACH_MSG_TYPE_BOOLEAN; + it->itOutNameStr = "MACH_MSG_TYPE_BOOLEAN"; + it->itSize = 32; + + itCalculateSizeInfo(it); + itCalculateNameInfo(it); + return it; +} + +/* + * Initializes the pre-defined types. + */ +void +init_type(void) +{ + itRetCodeType = itAlloc(); + itRetCodeType->itName = "kern_return_t"; + itRetCodeType->itInName = MACH_MSG_TYPE_INTEGER_32; + itRetCodeType->itInNameStr = "MACH_MSG_TYPE_INTEGER_32"; + itRetCodeType->itOutName = MACH_MSG_TYPE_INTEGER_32; + itRetCodeType->itOutNameStr = "MACH_MSG_TYPE_INTEGER_32"; + itRetCodeType->itSize = 32; + itCalculateSizeInfo(itRetCodeType); + itCalculateNameInfo(itRetCodeType); + + itDummyType = itAlloc(); + itDummyType->itName = "char *"; + itDummyType->itInName = MACH_MSG_TYPE_UNSTRUCTURED; + itDummyType->itInNameStr = "MACH_MSG_TYPE_UNSTRUCTURED"; + itDummyType->itOutName = MACH_MSG_TYPE_UNSTRUCTURED; + itDummyType->itOutNameStr = "MACH_MSG_TYPE_UNSTRUCTURED"; + itDummyType->itSize = word_size_in_bits; + itCalculateSizeInfo(itDummyType); + itCalculateNameInfo(itDummyType); + + itRequestPortType = itAlloc(); + itRequestPortType->itName = "mach_port_t"; + itRequestPortType->itInName = MACH_MSG_TYPE_COPY_SEND; + itRequestPortType->itInNameStr = "MACH_MSG_TYPE_COPY_SEND"; + itRequestPortType->itOutName = MACH_MSG_TYPE_PORT_SEND; + itRequestPortType->itOutNameStr = "MACH_MSG_TYPE_PORT_SEND"; + itRequestPortType->itSize = word_size_in_bits; + itCalculateSizeInfo(itRequestPortType); + itCalculateNameInfo(itRequestPortType); + + itZeroReplyPortType = itAlloc(); + itZeroReplyPortType->itName = "mach_port_t"; + itZeroReplyPortType->itInName = 0; + itZeroReplyPortType->itInNameStr = "0"; + itZeroReplyPortType->itOutName = 0; + itZeroReplyPortType->itOutNameStr = "0"; + itZeroReplyPortType->itSize = word_size_in_bits; + itCalculateSizeInfo(itZeroReplyPortType); + itCalculateNameInfo(itZeroReplyPortType); + + itRealReplyPortType = itAlloc(); + itRealReplyPortType->itName = "mach_port_t"; + itRealReplyPortType->itInName = MACH_MSG_TYPE_MAKE_SEND_ONCE; + itRealReplyPortType->itInNameStr = "MACH_MSG_TYPE_MAKE_SEND_ONCE"; + itRealReplyPortType->itOutName = MACH_MSG_TYPE_PORT_SEND_ONCE; + itRealReplyPortType->itOutNameStr = "MACH_MSG_TYPE_PORT_SEND_ONCE"; + itRealReplyPortType->itSize = word_size_in_bits; + itCalculateSizeInfo(itRealReplyPortType); + itCalculateNameInfo(itRealReplyPortType); + + itWaitTimeType = itMakeIntType(); + itMsgOptionType = itMakeIntType(); +} + +/****************************************************** + * Make sure return values of functions are assignable. + ******************************************************/ +void +itCheckReturnType(identifier_t name, const ipc_type_t *it) +{ + if (!it->itStruct) + error("type of %s is too complicated", name); + if ((it->itInName == MACH_MSG_TYPE_POLYMORPHIC) || + (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC)) + error("type of %s can't be polymorphic", name); +} + + +/****************************************************** + * Called by routine.c to check that request ports are + * simple and correct ports with send rights. + ******************************************************/ +void +itCheckRequestPortType(identifier_t name, const ipc_type_t *it) +{ + if (((it->itOutName != MACH_MSG_TYPE_PORT_SEND) && + (it->itOutName != MACH_MSG_TYPE_PORT_SEND_ONCE) && + (it->itOutName != MACH_MSG_TYPE_POLYMORPHIC)) || + (it->itNumber != 1) || + (it->itSize != word_size_in_bits) || + !it->itInLine || + it->itDeallocate != d_NO || + !it->itStruct || + it->itVarArray) + error("argument %s isn't a proper request port", name); +} + + +/****************************************************** + * Called by routine.c to check that reply ports are + * simple and correct ports with send rights. + ******************************************************/ +void +itCheckReplyPortType(identifier_t name, const ipc_type_t *it) +{ + if (((it->itOutName != MACH_MSG_TYPE_PORT_SEND) && + (it->itOutName != MACH_MSG_TYPE_PORT_SEND_ONCE) && + (it->itOutName != MACH_MSG_TYPE_POLYMORPHIC) && + (it->itOutName != 0)) || + (it->itNumber != 1) || + (it->itSize != word_size_in_bits) || + !it->itInLine || + it->itDeallocate != d_NO || + !it->itStruct || + it->itVarArray) + error("argument %s isn't a proper reply port", name); +} + + +/****************************************************** + * Used by routine.c to check that WaitTime is a + * simple bit 32 integer. + ******************************************************/ +void +itCheckIntType(identifier_t name, const ipc_type_t *it) +{ + if ((it->itInName != MACH_MSG_TYPE_INTEGER_32) || + (it->itOutName != MACH_MSG_TYPE_INTEGER_32) || + (it->itNumber != 1) || + (it->itSize != 32) || + !it->itInLine || + it->itDeallocate != d_NO || + !it->itStruct || + it->itVarArray) + error("argument %s isn't a proper integer", name); +} +void +itCheckNaturalType(name, it) + identifier_t name; + ipc_type_t *it; +{ + if ((it->itInName != word_size_name) || + (it->itOutName != word_size_name) || + (it->itNumber != 1) || + (it->itSize != word_size_in_bits) || + !it->itInLine || + it->itDeallocate != d_NO || + !it->itStruct || + it->itVarArray) + error("argument %s should have been a %s", name, word_size_name_string); +} diff --git a/mig/type.h b/mig/type.h new file mode 100644 index 0000000..f199059 --- /dev/null +++ b/mig/type.h @@ -0,0 +1,218 @@ +/* + * Mach Operating System + * Copyright (c) 1992,1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#ifndef _TYPE_H +#define _TYPE_H + +#include <sys/types.h> + +#include "boolean.h" +#include "mig_string.h" + +typedef u_int ipc_flags_t; + +#define flNone (0x00) +#define flLong (0x01) /* IsLong specified */ +#define flNotLong (0x02) /* NotIsLong specified */ +#define flDealloc (0x04) /* Dealloc specified */ +#define flNotDealloc (0x08) /* NotDealloc specified */ +#define flMaybeDealloc (0x10) /* Dealloc[] specified */ +#define flServerCopy (0x20) /* ServerCopy specified */ +#define flCountInOut (0x40) /* CountInOut specified */ + +typedef enum dealloc { + d_NO, /* do not deallocate */ + d_YES, /* always deallocate */ + d_MAYBE /* deallocate according to parameter */ +} dealloc_t; + +/* Convert dealloc_t to TRUE/FALSE */ +#define strdealloc(d) (strbool(d == d_YES)) + +/* + * itName and itNext are internal fields (not used for code generation). + * They are only meaningful for types entered into the symbol table. + * The symbol table is a simple self-organizing linked list. + * + * The function itCheckDecl checks & fills in computed information. + * Every type actually used (pointed at by argType) is so processed. + * + * The itInName, itOutName, itSize, itNumber, itInLine, itLongForm, + * and itDeallocate fields correspond directly to mach_msg_type_t fields. + * For out-of-line variable sized types, itNumber is zero. For + * in-line variable sized types, itNumber is the maximum size of the + * array. itInName is the msgt_name value supplied to the kernel, + * and itOutName is the msgt_name value received from the kernel. + * Either or both may be MACH_MSG_TYPE_POLYMORPHIC, indicating a + * "polymorphic" msgt_name. For itInName, this means the user + * supplies the value with an argument. For itOutName, this means the + * the value is returned in an argument. + * + * The itInNameStr and itOutNameStr fields contain "printing" versions + * of the itInName and itOutName values. The mapping from number->string + * is not into (eg, MACH_MSG_TYPE_UNSTRUCTURED/MACH_MSG_TYPE_BOOLEAN/ + * MACH_MSG_TYPE_BIT). These fields are used for code-generation and + * pretty-printing. + * + * itFlags contains the user's requests for itLongForm and itDeallocate + * values. itCheckDecl takes it into account when setting itLongForm + * and itDeallocate, but they can be overridden (with a warning message). + * + * itTypeSize is the calculated size of the C type, in bytes. + * itPadSize is the size of any padded needed after the data field. + * itMinTypeSize is the minimum size of the data field, including padding. + * For variable-length inline data, it is zero. + * + * itUserType, itServerType, itTransType are the C types used in + * code generation. itUserType is the C type passed to the user-side stub + * and used for msg declarations in the user-side stub. itServerType + * is the C type used for msg declarations in the server-side stub. + * itTransType is the C type passed to the server function by the + * server-side stub. Normally it differs from itServerType only when + * translation functions are defined. + * + * itInTrans and itOutTrans are translation functions. itInTrans + * takes itServerType values and returns itTransType values. itOutTrans + * takes itTransType vaulues and returns itServerType values. + * itDestructor is a finalization function applied to In arguments + * after the server-side stub calls the server function. It takes + * itTransType values. Any combination of these may be defined. + * + * The following type specification syntax modifies these values: + * type new = old + * ctype: name // itUserType and itServerType + * cusertype: itUserType + * cservertype: itServerType + * intran: itTransType itInTrans(itServerType) + * outtran: itServerType itOutTrans(itTransType) + * destructor: itDestructor(itTransType); + * + * At most one of itStruct and itString should be TRUE. If both are + * false, then this is assumed to be an array type (msg data is passed + * by reference). If itStruct is TRUE, then msg data is passed by value + * and can be assigned with =. If itString is TRUE, then the msg_data + * is a null-terminated string, assigned with strncpy. The itNumber + * value is a maximum length for the string; the msg field always + * takes up this much space. + * + * itVarArray means this is a variable-sized array. If it is inline, + * then itStruct and itString are FALSE. If it is out-of-line, then + * itStruct is TRUE (because pointers can be assigned). + * + * itIndefinite means this is an indefinite-length array - it may be sent + * either inline or out-of-line. itNumber is assigned so that at most + * 2048 bytes are sent inline. + * + * itElement points to any substructure that the type may have. + * It is only used with variable-sized array types. + */ + +typedef struct ipc_type +{ + identifier_t itName; /* Mig's name for this type */ + struct ipc_type *itNext; /* next type in symbol table */ + + u_int itTypeSize; /* size of the C type */ + u_int itPadSize; /* amount of padding after data */ + u_int itMinTypeSize; /* minimal amount of space occupied by data */ + + u_int itInName; /* name supplied to kernel in sent msg */ + u_int itOutName; /* name in received msg */ + u_int itSize; + u_int itNumber; + boolean_t itInLine; + boolean_t itLongForm; + dealloc_t itDeallocate; + + const_string_t itInNameStr; /* string form of itInName */ + const_string_t itOutNameStr;/* string form of itOutName */ + + /* what the user wants, not necessarily what he gets */ + ipc_flags_t itFlags; + + boolean_t itStruct; + boolean_t itString; + boolean_t itVarArray; + boolean_t itIndefinite; + + struct ipc_type *itElement; /* may be NULL */ + + identifier_t itUserType; + identifier_t itServerType; + identifier_t itTransType; + + identifier_t itInTrans; /* may be NULL */ + identifier_t itOutTrans; /* may be NULL */ + identifier_t itDestructor; /* may be NULL */ +} ipc_type_t; + +#define itNULL ((ipc_type_t *) 0) + +extern ipc_type_t *itLookUp(identifier_t name); +extern void itInsert(identifier_t name, ipc_type_t *it); +extern void itTypeDecl(identifier_t name, ipc_type_t *it); + +extern ipc_type_t *itShortDecl(u_int inname, const_string_t instr, + u_int outname, const_string_t outstr, + u_int defsize); +extern ipc_type_t *itLongDecl(u_int inname, const_string_t instr, + u_int outname, const_string_t outstr, + u_int defsize, u_int size, ipc_flags_t flags); +extern ipc_type_t *itPrevDecl(identifier_t name); +extern ipc_type_t *itResetType(ipc_type_t *it); +extern ipc_type_t *itVarArrayDecl(u_int number, const ipc_type_t *it); +extern ipc_type_t *itArrayDecl(u_int number, const ipc_type_t *it); +extern ipc_type_t *itPtrDecl(ipc_type_t *it); +extern ipc_type_t *itStructDecl(u_int number, const ipc_type_t *it); +extern ipc_type_t *itCStringDecl(u_int number, boolean_t varying); + +extern ipc_type_t *itRetCodeType; +extern ipc_type_t *itDummyType; +extern ipc_type_t *itRequestPortType; +extern ipc_type_t *itZeroReplyPortType; +extern ipc_type_t *itRealReplyPortType; +extern ipc_type_t *itWaitTimeType; +extern ipc_type_t *itMsgOptionType; +extern ipc_type_t *itMakeCountType(void); +extern ipc_type_t *itMakePolyType(void); +extern ipc_type_t *itMakeDeallocType(void); + +extern void init_type(void); + +extern void itCheckReturnType(identifier_t name, const ipc_type_t *it); +extern void itCheckRequestPortType(identifier_t name, const ipc_type_t *it); +extern void itCheckReplyPortType(identifier_t name, const ipc_type_t *it); +extern void itCheckIntType(identifier_t name, const ipc_type_t *it); +extern void itCheckNaturalType(identifier_t name, ipc_type_t *it); + + +extern ipc_flags_t itCheckFlags(ipc_flags_t flags, identifier_t name); +extern dealloc_t itCheckDeallocate(const ipc_type_t *it, ipc_flags_t flags, + dealloc_t dfault, identifier_t name); +extern boolean_t itCheckIsLong(const ipc_type_t *it, ipc_flags_t flags, + boolean_t dfault, identifier_t name); + +#endif /* _TYPE_H */ diff --git a/mig/user.c b/mig/user.c new file mode 100644 index 0000000..a5ca5fb --- /dev/null +++ b/mig/user.c @@ -0,0 +1,1332 @@ +/* + * Mach Operating System + * Copyright (c) 1992,1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <assert.h> + +#include "write.h" +#include "error.h" +#include "utils.h" +#include "global.h" +#include "mig_string.h" +#include "cpu.h" + +/************************************************************* + * Writes the standard includes. The subsystem specific + * includes are in <SubsystemName>.h and writen by + * header:WriteHeader. Called by WriteProlog. + *************************************************************/ +static void +WriteIncludes(FILE *file) +{ + if (IsKernelServer) + { + /* + * We want to get the user-side definitions of types + * like task_t, ipc_space_t, etc. in mach/mach_types.h. + */ + + fprintf(file, "#undef\tKERNEL\n"); + + if (InternalHeaderFileName != strNULL) + { + register char *cp; + + /* Strip any leading path from InternalHeaderFileName. */ + cp = strrchr(InternalHeaderFileName, '/'); + if (cp == 0) + cp = InternalHeaderFileName; + else + cp++; /* skip '/' */ + fprintf(file, "#include \"%s\"\n", cp); + } + } + + if (UserHeaderFileName != strNULL) + { + register char *cp; + + /* Strip any leading path from UserHeaderFileName. */ + cp = strrchr(UserHeaderFileName, '/'); + if (cp == 0) + cp = UserHeaderFileName; + else + cp++; /* skip '/' */ + fprintf(file, "#include \"%s\"\n", cp); + } + + fprintf(file, "#define EXPORT_BOOLEAN\n"); + fprintf(file, "#include <mach/boolean.h>\n"); + fprintf(file, "#include <mach/kern_return.h>\n"); + fprintf(file, "#include <mach/message.h>\n"); + fprintf(file, "#include <mach/notify.h>\n"); + fprintf(file, "#include <mach/mach_types.h>\n"); + fprintf(file, "#include <mach/mig_errors.h>\n"); + fprintf(file, "#include <mach/mig_support.h>\n"); + fprintf(file, "#include <mach/msg_type.h>\n"); + fprintf(file, "/* LINTLIBRARY */\n"); + fprintf(file, "\n"); +} + +static void +WriteGlobalDecls(FILE *file) +{ + if (RCSId != strNULL) + WriteRCSDecl(file, strconcat(SubsystemName, "_user"), RCSId); + + fprintf(file, "#define msgh_request_port\tmsgh_remote_port\n"); + fprintf(file, "#define msgh_reply_port\t\tmsgh_local_port\n"); + fprintf(file, "\n"); +} + +/************************************************************* + * Writes the standard #includes, #defines, and + * RCS declaration. Called by WriteUser. + *************************************************************/ +static void +WriteProlog(FILE *file) +{ + WriteIncludes(file); + WriteBogusDefines(file); + WriteGlobalDecls(file); +} + +/*ARGSUSED*/ +static void +WriteEpilog(FILE *file) +{ +} + +static const_string_t +WriteHeaderPortType(const argument_t *arg) +{ + if (arg->argType->itInName == MACH_MSG_TYPE_POLYMORPHIC) + return arg->argPoly->argVarName; + else + return arg->argType->itInNameStr; +} + +static void +WriteRequestHead(FILE *file, const routine_t *rt) +{ + if (rt->rtMaxRequestPos > 0) + fprintf(file, "\tInP = &Mess.In;\n"); + + if (rt->rtSimpleFixedRequest) { + fprintf(file, "\tInP->Head.msgh_bits ="); + if (!rt->rtSimpleSendRequest) + fprintf(file, " MACH_MSGH_BITS_COMPLEX|"); + fprintf(file, "\n"); + fprintf(file, "\t\tMACH_MSGH_BITS(%s, %s);\n", + WriteHeaderPortType(rt->rtRequestPort), + WriteHeaderPortType(rt->rtUReplyPort)); + } else { + fprintf(file, "\tInP->Head.msgh_bits = msgh_simple ?\n"); + fprintf(file, "\t\tMACH_MSGH_BITS(%s, %s) :\n", + WriteHeaderPortType(rt->rtRequestPort), + WriteHeaderPortType(rt->rtUReplyPort)); + fprintf(file, "\t\t(MACH_MSGH_BITS_COMPLEX|\n"); + fprintf(file, "\t\t MACH_MSGH_BITS(%s, %s));\n", + WriteHeaderPortType(rt->rtRequestPort), + WriteHeaderPortType(rt->rtUReplyPort)); + } + + fprintf(file, "\t/* msgh_size passed as argument */\n"); + + /* + * KernelUser stubs need to cast the request and reply ports + * from ipc_port_t to mach_port_t. + */ + + if (IsKernelUser) + fprintf(file, "\tInP->%s = (mach_port_t) %s;\n", + rt->rtRequestPort->argMsgField, + rt->rtRequestPort->argVarName); + else + fprintf(file, "\tInP->%s = %s;\n", + rt->rtRequestPort->argMsgField, + rt->rtRequestPort->argVarName); + + if (akCheck(rt->rtUReplyPort->argKind, akbUserArg)) { + if (IsKernelUser) + fprintf(file, "\tInP->%s = (mach_port_t) %s;\n", + rt->rtUReplyPort->argMsgField, + rt->rtUReplyPort->argVarName); + else + fprintf(file, "\tInP->%s = %s;\n", + rt->rtUReplyPort->argMsgField, + rt->rtUReplyPort->argVarName); + } else if (rt->rtOneWay || IsKernelUser) + fprintf(file, "\tInP->%s = MACH_PORT_NULL;\n", + rt->rtUReplyPort->argMsgField); + else + fprintf(file, "\tInP->%s = %smig_get_reply_port();\n", + rt->rtUReplyPort->argMsgField, SubrPrefix); + + fprintf(file, "\tInP->Head.msgh_seqno = 0;\n"); + fprintf(file, "\tInP->Head.msgh_id = %d;\n", rt->rtNumber + SubsystemBase); +} + +/************************************************************* + * Writes declarations for the message types, variables + * and return variable if needed. Called by WriteRoutine. + *************************************************************/ +static void +WriteVarDecls(FILE *file, const routine_t *rt) +{ + fprintf(file, "\tunion {\n"); + fprintf(file, "\t\tRequest In;\n"); + if (!rt->rtOneWay) + fprintf(file, "\t\tReply Out;\n"); + fprintf(file, "\t} Mess;\n"); + fprintf(file, "\n"); + + fprintf(file, "\tregister Request *InP = &Mess.In;\n"); + if (!rt->rtOneWay) + fprintf(file, "\tregister Reply *OutP = &Mess.Out;\n"); + fprintf(file, "\n"); + + if (!rt->rtOneWay || rt->rtProcedure) + fprintf(file, "\tmach_msg_return_t msg_result;\n"); + + if (!rt->rtSimpleFixedRequest) + fprintf(file, "\tboolean_t msgh_simple = %s;\n", + strbool(rt->rtSimpleSendRequest)); + else if (!rt->rtOneWay && + !(rt->rtSimpleCheckReply && rt->rtSimpleReceiveReply)) { + fprintf(file, "#if\tTypeCheck\n"); + fprintf(file, "\tboolean_t msgh_simple;\n"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + + if (rt->rtNumRequestVar > 0) + fprintf(file, "\tunsigned int msgh_size;\n"); + else if (!rt->rtOneWay && !rt->rtNoReplyArgs) + { + fprintf(file, "#if\tTypeCheck\n"); + fprintf(file, "\tunsigned int msgh_size;\n"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + + /* if either request or reply is variable, we need msgh_size_delta */ + if ((rt->rtMaxRequestPos > 0) || + (rt->rtMaxReplyPos > 0)) + fprintf(file, "\tunsigned int msgh_size_delta;\n"); + + fprintf(file, "\n"); +} + +/************************************************************* + * Writes code to call the user provided error procedure + * when a MIG error occurs. Called by WriteMsgSend, + * WriteMsgCheckReceive, WriteMsgSendReceive, WriteCheckIdentity, + * WriteRetCodeCheck, WriteTypeCheck, WritePackArgValue. + *************************************************************/ +static void +WriteMsgError(FILE *file, const routine_t *rt, const char *error_msg) +{ + if (rt->rtProcedure) + fprintf(file, "\t\t{ %s(%s); return; }\n", rt->rtErrorName, error_msg); + else if (rt->rtReturn != rt->rtRetCode) + { + fprintf(file, "\t\t{ %s(%s); ", rt->rtErrorName, error_msg); + if (rt->rtNumReplyVar > 0) + fprintf(file, "OutP = &Mess.Out; "); + fprintf(file, "return OutP->%s; }\n", rt->rtReturn->argMsgField); + } + else + fprintf(file, "\t\treturn %s;\n", error_msg); +} + +/************************************************************* + * Writes the send call when there is to be no subsequent + * receive. Called by WriteRoutine for SimpleProcedures + * or SimpleRoutines + *************************************************************/ +static void +WriteMsgSend(FILE *file, const routine_t *rt) +{ + const char *MsgResult = (rt->rtProcedure) + ? "msg_result =" + : "return"; + + char SendSize[24]; + + if (rt->rtNumRequestVar == 0) + sprintf(SendSize, "%d", rt->rtRequestSize); + else + strcpy(SendSize, "msgh_size"); + + if (IsKernelUser) + { + fprintf(file, "\t%s %smach_msg_send_from_kernel(", + MsgResult, SubrPrefix); + fprintf(file, "&InP->Head, %s);\n", SendSize); + } + else + { + fprintf(file, "\t%s %smach_msg(&InP->Head, MACH_SEND_MSG|%s, %s, 0,", + MsgResult, + SubrPrefix, + rt->rtMsgOption->argVarName, + SendSize); + fprintf(file, + " MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);\n" + ); + } + + if (rt->rtProcedure) + { + fprintf(file, "\tif (msg_result != MACH_MSG_SUCCESS)\n"); + WriteMsgError(file, rt, "msg_result"); + } +} + +/************************************************************* + * Writes to code to check for error returns from receive. + * Called by WriteMsgSendReceive and WriteMsgRPC + *************************************************************/ +static void +WriteMsgCheckReceive(FILE *file, const routine_t *rt, const char *success) +{ + fprintf(file, "\tif (msg_result != %s) {\n", success); + if (!akCheck(rt->rtUReplyPort->argKind, akbUserArg) && !IsKernelUser) + { + /* If we aren't using a user-supplied reply port, + then deallocate the reply port on any message transmission + errors. */ + fprintf(file, "\t\t%smig_dealloc_reply_port(%s);\n", + SubrPrefix, "InP->Head.msgh_reply_port"); + } + WriteMsgError(file, rt, "msg_result"); + fprintf(file, "\t}\n"); + + /* + * If not using a user supplied reply port, tell the port + * allocator we're done with the port. + */ + if (!akCheck(rt->rtUReplyPort->argKind, akbUserArg) && !IsKernelUser) + { + fprintf(file, "\t%smig_put_reply_port(InP->Head.msgh_reply_port);\n", + SubrPrefix); + } +} + +/************************************************************* + * Writes the send and receive calls and code to check + * for errors. Normally the rpc code is generated instead + * although, the subsytem can be compiled with the -R option + * which will cause this code to be generated. Called by + * WriteRoutine if UseMsgRPC option is false. + *************************************************************/ +static void +WriteMsgSendReceive(FILE *file, const routine_t *rt) +{ + char SendSize[24]; + + if (rt->rtNumRequestVar == 0) + sprintf(SendSize, "%d", rt->rtRequestSize); + else + strcpy(SendSize, "msgh_size"); + + fprintf(file, "\tmsg_result = %smach_msg(&InP->Head, MACH_SEND_MSG|%s, %s, 0, MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);\n", + SubrPrefix, + rt->rtMsgOption->argVarName, + SendSize); + + fprintf(file, "\tif (msg_result != MACH_MSG_SUCCESS)\n"); + WriteMsgError(file, rt, "msg_result"); + fprintf(file, "\n"); + + fprintf(file, "\tmsg_result = %smach_msg(&OutP->Head, MACH_RCV_MSG|%s%s, 0, sizeof(Reply), InP->Head.msgh_local_port, %s, MACH_PORT_NULL);\n", + SubrPrefix, + rt->rtMsgOption->argVarName, + rt->rtWaitTime != argNULL ? "|MACH_RCV_TIMEOUT" : "", + rt->rtWaitTime != argNULL ? rt->rtWaitTime->argVarName : "MACH_MSG_TIMEOUT_NONE"); + WriteMsgCheckReceive(file, rt, "MACH_MSG_SUCCESS"); + fprintf(file, "\n"); +} + +/************************************************************* + * Writes the rpc call and the code to check for errors. + * This is the default code to be generated. Called by WriteRoutine + * for all routine types except SimpleProcedure and SimpleRoutine. + *************************************************************/ +static void +WriteMsgRPC(FILE *file, const routine_t *rt) +{ + char SendSize[24]; + + if (rt->rtNumRequestVar == 0) + sprintf(SendSize, "%d", rt->rtRequestSize); + else + strcpy(SendSize, "msgh_size"); + + if (IsKernelUser) + fprintf(file, "\tmsg_result = %smach_msg_rpc_from_kernel(&InP->Head, %s, sizeof(Reply));\n", + SubrPrefix, + SendSize); + else + fprintf(file, "\tmsg_result = %smach_msg(&InP->Head, MACH_SEND_MSG|MACH_RCV_MSG|%s%s, %s, sizeof(Reply), InP->Head.msgh_reply_port, %s, MACH_PORT_NULL);\n", + SubrPrefix, + rt->rtMsgOption->argVarName, + rt->rtWaitTime != argNULL ? "|MACH_RCV_TIMEOUT" : "", + SendSize, + rt->rtWaitTime != argNULL? rt->rtWaitTime->argVarName : "MACH_MSG_TIMEOUT_NONE"); + WriteMsgCheckReceive(file, rt, "MACH_MSG_SUCCESS"); + fprintf(file, "\n"); +} + +/************************************************************* + * Sets the correct value of the dealloc flag and calls + * Utils:WritePackMsgType to fill in the ipc msg type word(s) + * in the request message. Called by WriteRoutine for each + * argument that is to be sent in the request message. + *************************************************************/ +static void +WritePackArgType(FILE *file, const argument_t *arg) +{ + WritePackMsgType(file, arg->argType, + arg->argType->itIndefinite ? d_NO : arg->argDeallocate, + arg->argLongForm, TRUE, + "InP->%s", "%s", arg->argTTName); + fprintf(file, "\n"); +} + +/************************************************************* + * Writes code to copy an argument into the request message. + * Called by WriteRoutine for each argument that is to placed + * in the request message. + *************************************************************/ +static void +WritePackArgValue(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + register const char *ref = arg->argByReferenceUser ? "*" : ""; + + if (it->itInLine && it->itVarArray) { + + if (it->itString) { + /* + * Copy variable-size C string with mig_strncpy. + * Save the string length (+ 1 for trailing 0) + * in the argument`s count field. + */ + fprintf(file, + "\tInP->%s = %smig_strncpy(InP->%s, %s, %d);\n", + arg->argCount->argMsgField, + SubrPrefix, + arg->argMsgField, + arg->argVarName, + it->itNumber); + } + else { + + /* + * Copy in variable-size inline array with memcpy, + * after checking that number of elements doesn`t + * exceed declared maximum. + */ + register const argument_t *count = arg->argCount; + register const char *countRef = count->argByReferenceUser ? "*" :""; + register const ipc_type_t *btype = it->itElement; + + /* Note btype->itNumber == count->argMultiplier */ + + fprintf(file, "\tif (%s%s > %d) {\n", + countRef, count->argVarName, + it->itNumber/btype->itNumber); + if (it->itIndefinite) { + fprintf(file, "\t\tInP->%s%s.msgt_inline = FALSE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + if (arg->argDeallocate == d_YES) + fprintf(file, "\t\tInP->%s%s.msgt_deallocate = TRUE;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + else if (arg->argDeallocate == d_MAYBE) + fprintf(file, "\t\tInP->%s%s.msgt_deallocate = %s%s;\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + arg->argDealloc->argByReferenceUser ? "*" : "", + arg->argDealloc->argVarName); + fprintf(file, "\t\t*((%s **)InP->%s) = %s%s;\n", + FetchUserType(btype), + arg->argMsgField, + ref, arg->argVarName); + if (!arg->argRoutine->rtSimpleFixedRequest) + fprintf(file, "\t\tmsgh_simple = FALSE;\n"); + } + else + WriteMsgError(file, arg->argRoutine, "MIG_ARRAY_TOO_LARGE"); + + fprintf(file, "\t}\n\telse {\n"); + + fprintf(file, "\t\tmemcpy(InP->%s, %s%s, ", arg->argMsgField, + ref, arg->argVarName); + if (btype->itTypeSize > 1) + fprintf(file, "%d * ", btype->itTypeSize); + fprintf(file, "%s%s);\n", + countRef, count->argVarName); + fprintf(file, "\t}\n"); + } + } + else if (arg->argMultiplier > 1) + WriteCopyType(file, it, "InP->%s", "/* %s */ %d * %s%s", + arg->argMsgField, arg->argMultiplier, + ref, arg->argVarName); + else + WriteCopyType(file, it, "InP->%s", "/* %s */ %s%s", + arg->argMsgField, ref, arg->argVarName); + fprintf(file, "\n"); +} + +static void +WriteAdjustMsgSimple(FILE *file, register const argument_t *arg) +{ + if (!arg->argRoutine->rtSimpleFixedRequest) + { + register const char *ref = arg->argByReferenceUser ? "*" : ""; + + fprintf(file, "\tif (MACH_MSG_TYPE_PORT_ANY(%s%s))\n", + ref, arg->argVarName); + fprintf(file, "\t\tmsgh_simple = FALSE;\n"); + fprintf(file, "\n"); + } +} + +/* + * Calculate the size of a variable-length message field. + */ +static void +WriteArgSize(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + register int bsize = ptype->itElement->itTypeSize; + register const argument_t *count = arg->argCount; + + if (ptype->itIndefinite) { + /* + * Check descriptor. If out-of-line, use standard size. + */ + fprintf(file, "(InP->%s%s.msgt_inline) ? ", + arg->argTTName, arg->argLongForm ? ".msgtl_header" : ""); + } + if (bsize % 4 != 0) + fprintf(file, "("); + + if (bsize > 1) + fprintf(file, "%d * ", bsize); + + if (ptype->itString) + /* get count from descriptor in message */ + fprintf(file, "InP->%s", count->argMsgField); + else + /* get count from argument */ + fprintf(file, "%s%s", + count->argByReferenceUser ? "*" : "", + count->argVarName); + + /* + * If the base type size is not a multiple of sizeof(int) [4], + * we have to round up. + */ + if (bsize % 4 != 0) + fprintf(file, " + 3) & ~3"); + + if (ptype->itIndefinite) { + fprintf(file, " : sizeof(%s *)", + FetchUserType(ptype->itElement)); + } +} + +/* + * Adjust message size and advance request pointer. + * Called after packing a variable-length argument that + * has more arguments following. + */ +static void +WriteAdjustMsgSize(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + + /* There are more In arguments. We need to adjust msgh_size + and advance InP, so we save the size of the current field + in msgh_size_delta. */ + + fprintf(file, "\tmsgh_size_delta = "); + WriteArgSize(file, arg); + fprintf(file, ";\n"); + + if (arg->argRequestPos == 0) + /* First variable-length argument. The previous msgh_size value + is the minimum request size. */ + + fprintf(file, "\tmsgh_size = %d + msgh_size_delta;\n", + arg->argRoutine->rtRequestSize); + else + fprintf(file, "\tmsgh_size += msgh_size_delta;\n"); + + fprintf(file, + "\tInP = (Request *) ((char *) InP + msgh_size_delta - %d);\n", + ptype->itTypeSize + ptype->itPadSize); +} + +/* + * Calculate the size of the message. Called after the + * last argument has been packed. + */ +static void +WriteFinishMsgSize(FILE *file, register const argument_t *arg) +{ + /* No more In arguments. If this is the only variable In + argument, the previous msgh_size value is the minimum + request size. */ + + if (arg->argRequestPos == 0) { + fprintf(file, "\tmsgh_size = %d + (", + arg->argRoutine->rtRequestSize); + WriteArgSize(file, arg); + fprintf(file, ");\n"); + } + else { + fprintf(file, "\tmsgh_size += "); + WriteArgSize(file, arg); + fprintf(file, ";\n"); + } +} + +static void +WriteInitializeCount(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argCInOut->argParent->argType; + register const ipc_type_t *btype = ptype->itElement; + + fprintf(file, "\tif (%s%s < %d)\n", + arg->argByReferenceUser ? "*" : "", + arg->argVarName, + ptype->itNumber/btype->itNumber); + fprintf(file, "\t\tInP->%s = %s%s;\n", + arg->argMsgField, + arg->argByReferenceUser ? "*" : "", + arg->argVarName); + fprintf(file, "\telse\n"); + fprintf(file, "\t\tInP->%s = %d;\n", + arg->argMsgField, ptype->itNumber/btype->itNumber); + fprintf(file, "\n"); +} + +/* + * Called for every argument. Responsible for packing that + * argument into the request message. + */ +static void +WritePackArg(FILE *file, register const argument_t *arg) +{ + if (akCheck(arg->argKind, akbRequest)) + WritePackArgType(file, arg); + + if ((akIdent(arg->argKind) == akePoly) && + akCheckAll(arg->argKind, akbSendSnd|akbUserArg)) + WriteAdjustMsgSimple(file, arg); + + if ((akIdent(arg->argKind) == akeCountInOut) && + akCheck(arg->argKind, akbSendSnd)) + WriteInitializeCount(file, arg); + else if (akCheckAll(arg->argKind, akbSendSnd|akbSendBody)) + WritePackArgValue(file, arg); +} + +/* + * Generate code to fill in all of the request arguments and their + * message types. + */ +static void +WriteRequestArgs(FILE *file, register const routine_t *rt) +{ + register const argument_t *arg; + register const argument_t *lastVarArg; + + lastVarArg = argNULL; + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) + { + /* + * Adjust message size and advance message pointer if + * the last request argument was variable-length and the + * request position will change. + */ + if (lastVarArg != argNULL && + lastVarArg->argRequestPos < arg->argRequestPos) + { + WriteAdjustMsgSize(file, lastVarArg); + lastVarArg = argNULL; + } + + /* + * Copy the argument + */ + WritePackArg(file, arg); + + /* + * Remember whether this was variable-length. + */ + if (akCheckAll(arg->argKind, akbSendSnd|akbSendBody|akbVariable)) + lastVarArg = arg; + } + + /* + * Finish the message size. + */ + if (lastVarArg != argNULL) + WriteFinishMsgSize(file, lastVarArg); +} + +/************************************************************* + * Writes code to check that the return msgh_id is correct and that + * the size of the return message is correct. Called by + * WriteRoutine. + *************************************************************/ +static void +WriteCheckIdentity(FILE *file, const routine_t *rt) +{ + fprintf(file, "\tif (OutP->Head.msgh_id != %d) {\n", + rt->rtNumber + SubsystemBase + 100); + fprintf(file, "\t\tif (OutP->Head.msgh_id == MACH_NOTIFY_SEND_ONCE)\n"); + WriteMsgError(file, rt, "MIG_SERVER_DIED"); + fprintf(file, "\t\telse {\n"); + fprintf(file, "\t\t\t%smig_dealloc_reply_port(%s);\n\t", + SubrPrefix,"InP->Head.msgh_reply_port"); + WriteMsgError(file, rt, "MIG_REPLY_MISMATCH"); + fprintf(file, "\t\t}\n\t}\n"); + fprintf(file, "\n"); + fprintf(file, "#if\tTypeCheck\n"); + + if (rt->rtSimpleCheckReply && rt->rtSimpleReceiveReply) + { + /* Expecting a simple message. We can factor out the check for + a simple message, since the error reply message is also simple. + */ + + if (!rt->rtNoReplyArgs) + fprintf(file, "\tmsgh_size = OutP->Head.msgh_size;\n\n"); + + fprintf(file, + "\tif ((OutP->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX) ||\n"); + if (rt->rtNoReplyArgs) + fprintf(file, "\t (OutP->Head.msgh_size != %d))\n", + rt->rtReplySize); + else { + fprintf(file, "\t ((msgh_size %s %d) &&\n", + (rt->rtNumReplyVar > 0) ? "<" : "!=", + rt->rtReplySize); + fprintf(file, "\t ((msgh_size != sizeof(mig_reply_header_t)) ||\n"); + fprintf(file, "\t (OutP->RetCode == KERN_SUCCESS))))\n"); + } + } + else { + /* Expecting a complex message, or may vary at run time. */ + + fprintf(file, "\tmsgh_size = OutP->Head.msgh_size;\n"); + fprintf(file, "\tmsgh_simple = !(OutP->Head.msgh_bits & MACH_MSGH_BITS_COMPLEX);\n"); + fprintf(file, "\n"); + + fprintf(file, "\tif (((msgh_size %s %d)", + (rt->rtNumReplyVar > 0) ? "<" : "!=", + rt->rtReplySize); + + if (rt->rtSimpleCheckReply) + /* if rtSimpleReceiveReply was true, then we would have + executed the code above. So we know that the message + is complex. */ + fprintf(file, " || msgh_simple"); + fprintf(file, ") &&\n"); + + fprintf(file, "\t ((msgh_size != sizeof(mig_reply_header_t)) ||\n"); + fprintf(file, "\t !msgh_simple ||\n"); + fprintf(file, "\t (OutP->RetCode == KERN_SUCCESS)))\n"); + } + WriteMsgError(file, rt, "MIG_TYPE_ERROR"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + fprintf(file, "\n"); +} + +/************************************************************* + * Write code to generate error handling code if the RetCode + * argument of a Routine is not KERN_SUCCESS. + *************************************************************/ +static void +WriteRetCodeCheck(FILE *file, const routine_t *rt) +{ + fprintf(file, "\tif (OutP->RetCode != KERN_SUCCESS)\n"); + WriteMsgError(file, rt, "OutP->RetCode"); + fprintf(file, "\n"); +} + +/************************************************************* + * Writes code to check that the type of each of the arguments + * in the reply message is what is expected. Called by + * WriteRoutine for each argument in the reply message. + *************************************************************/ +static void +WriteTypeCheck(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + register const routine_t *rt = arg->argRoutine; + + fprintf(file, "#if\tTypeCheck\n"); + if (akCheck(arg->argKind, akbReplyQC)) + { + fprintf(file, "\tif (* (int *) &OutP->%s != * (int *) &%sCheck)\n", + arg->argTTName, arg->argVarName); + } + else + { + fprintf(file, "\tif ("); + if (!it->itIndefinite) { + fprintf(file, "(OutP->%s%s.msgt_inline != %s) ||\n\t ", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + strbool(it->itInLine)); + } + fprintf(file, "(OutP->%s%s.msgt_longform != %s) ||\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : "", + strbool(arg->argLongForm)); + if (it->itOutName == MACH_MSG_TYPE_POLYMORPHIC) + { + if (!rt->rtSimpleCheckReply) + fprintf(file, "\t (MACH_MSG_TYPE_PORT_ANY(OutP->%s.msgt%s_name) && msgh_simple) ||\n", + arg->argTTName, + arg->argLongForm ? "l" : ""); + } + else + fprintf(file, "\t (OutP->%s.msgt%s_name != %s) ||\n", + arg->argTTName, + arg->argLongForm ? "l" : "", + it->itOutNameStr); + if (!it->itVarArray) + fprintf(file, "\t (OutP->%s.msgt%s_number != %d) ||\n", + arg->argTTName, + arg->argLongForm ? "l" : "", + it->itNumber); + fprintf(file, "\t (OutP->%s.msgt%s_size != %d))\n", + arg->argTTName, + arg->argLongForm ? "l" : "", + it->itSize); + } + WriteMsgError(file, rt, "MIG_TYPE_ERROR"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + fprintf(file, "\n"); +} + +static void +WriteCheckArgSize(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + register const ipc_type_t *btype = ptype->itElement; + const argument_t *count = arg->argCount; + int multiplier = btype->itTypeSize / btype->itNumber; + + if (ptype->itIndefinite) { + /* + * Check descriptor. If out-of-line, use standard size. + */ + fprintf(file, "(OutP->%s%s.msgt_inline) ? ", + arg->argTTName, arg->argLongForm ? ".msgtl_header" : ""); + } + + if (btype->itTypeSize % 4 != 0) + fprintf(file, "("); + + if (multiplier > 1) + fprintf(file, "%d * ", multiplier); + + fprintf(file, "OutP->%s", count->argMsgField); + + /* If the base type size of the data field isn`t a multiple of 4, + we have to round up. */ + if (btype->itTypeSize % 4 != 0) + fprintf(file, " + 3) & ~3"); + + if (ptype->itIndefinite) + fprintf(file, " : sizeof(%s *)", FetchUserType(btype)); +} + +static void +WriteCheckMsgSize(FILE *file, register const argument_t *arg) +{ + register const routine_t *rt = arg->argRoutine; + + /* If there aren't any more Out args after this, then + we can use the msgh_size_delta value directly in + the TypeCheck conditional. */ + + if (arg->argReplyPos == rt->rtMaxReplyPos) + { + fprintf(file, "#if\tTypeCheck\n"); + fprintf(file, "\tif (msgh_size != %d + (", + rt->rtReplySize); + WriteCheckArgSize(file, arg); + fprintf(file, "))\n"); + + WriteMsgError(file, rt, "MIG_TYPE_ERROR"); + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + else + { + /* If there aren't any more variable-sized arguments after this, + then we must check for exact msg-size and we don't need + to update msgh_size. */ + + boolean_t LastVarArg = arg->argReplyPos+1 == rt->rtNumReplyVar; + + /* calculate the actual size in bytes of the data field. note + that this quantity must be a multiple of four. hence, if + the base type size isn't a multiple of four, we have to + round up. note also that btype->itNumber must + divide btype->itTypeSize (see itCalculateSizeInfo). */ + + fprintf(file, "\tmsgh_size_delta = "); + WriteCheckArgSize(file, arg); + fprintf(file, ";\n"); + fprintf(file, "#if\tTypeCheck\n"); + + /* Don't decrement msgh_size until we've checked that + it won't underflow. */ + + if (LastVarArg) + fprintf(file, "\tif (msgh_size != %d + msgh_size_delta)\n", + rt->rtReplySize); + else + fprintf(file, "\tif (msgh_size < %d + msgh_size_delta)\n", + rt->rtReplySize); + WriteMsgError(file, rt, "MIG_TYPE_ERROR"); + + if (!LastVarArg) + fprintf(file, "\tmsgh_size -= msgh_size_delta;\n"); + + fprintf(file, "#endif\t/* TypeCheck */\n"); + } + fprintf(file, "\n"); +} + +/************************************************************* + * Write code to copy an argument from the reply message + * to the parameter. Called by WriteRoutine for each argument + * in the reply message. + *************************************************************/ +static void +WriteExtractArgValue(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *argType = arg->argType; + register const char *ref = arg->argByReferenceUser ? "*" : ""; + + if (argType->itInLine && argType->itVarArray) { + + if (argType->itString) { + /* + * Copy out variable-size C string with mig_strncpy. + */ + fprintf(file, "\t(void) %smig_strncpy(%s%s, OutP->%s, %d);\n", + SubrPrefix, + ref, + arg->argVarName, + arg->argMsgField, + argType->itNumber); + } + else if (argType->itIndefinite) { + /* + * If data was returned out-of-line, + * change user`s pointer to point to it. + * If data was returned in-line but doesn`t fit, + * allocate a new buffer, copy the data to it, + * and change user`s pointer to point to it. + * If data was returned in-line and fits, + * copy to buffer. + */ + const argument_t *count = arg->argCount; + const char *countRef = count->argByReferenceUser ? "*" : ""; + const ipc_type_t *btype = argType->itElement; + + fprintf(file, "\tif (!OutP->%s%s.msgt_inline)\n", + arg->argTTName, + arg->argLongForm ? ".msgtl_header" : ""); + fprintf(file, "\t %s%s = *((%s **)OutP->%s);\n", + ref, arg->argVarName, + FetchUserType(btype), arg->argMsgField); + fprintf(file, "\telse if (OutP->%s", count->argMsgField); + if (btype->itNumber > 1) + fprintf(file, " / %d", btype->itNumber); + fprintf(file, " > %s%s) {\n", countRef, count->argVarName); + fprintf(file, "\t %smig_allocate((vm_offset_t *)%s,\n\t\t", + SubrPrefix, arg->argVarName); /* no ref! */ + if (btype->itTypeSize != btype->itNumber) + fprintf(file, "%d * ", btype->itTypeSize/btype->itNumber); + fprintf(file, "OutP->%s);\n", count->argMsgField); + fprintf(file, "\t memcpy(%s%s, OutP->%s, ", ref, arg->argVarName, + arg->argMsgField); + if (btype->itTypeSize != btype->itNumber) + fprintf(file, "%d * ", btype->itTypeSize/btype->itNumber); + fprintf(file, "OutP->%s);\n", count->argMsgField); + fprintf(file, "\t}\n"); + fprintf(file, "\telse {\n"); + + fprintf(file, "\t memcpy(%s%s, OutP->%s, ", ref, arg->argVarName, + arg->argMsgField); + if (btype->itTypeSize != btype->itNumber) + fprintf(file, "%d * ", btype->itTypeSize/btype->itNumber); + fprintf(file, "OutP->%s);\n", count->argMsgField); + fprintf(file, "\t}\n"); + } + else { + + /* + * Copy out variable-size inline array with memcpy, + * after checking that number of elements doesn`t + * exceed user`s maximum. + */ + register const argument_t *count = arg->argCount; + register const char *countRef = count->argByReferenceUser ? "*" :""; + register const ipc_type_t *btype = argType->itElement; + + /* Note count->argMultiplier == btype->itNumber */ + + fprintf(file, "\tif (OutP->%s", count->argMsgField); + if (btype->itNumber > 1) + fprintf(file, " / %d", btype->itNumber); + fprintf(file, " > %s%s) {\n", + countRef, count->argVarName); + + /* + * If number of elements is too many for user receiving area, + * fill user`s area as much as possible. Return the correct + * number of elements. + */ + fprintf(file, "\t\tmemcpy(%s%s, OutP->%s, ", ref, arg->argVarName, + arg->argMsgField); + if (btype->itTypeSize > 1) + fprintf(file, "%d * ", btype->itTypeSize); + fprintf(file, "%s%s);\n", + countRef, count->argVarName); + + fprintf(file, "\t\t%s%s = OutP->%s", + countRef, count->argVarName, count->argMsgField); + if (btype->itNumber > 1) + fprintf(file, " / %d", btype->itNumber); + fprintf(file, ";\n"); + WriteMsgError(file,arg->argRoutine, "MIG_ARRAY_TOO_LARGE"); + + fprintf(file, "\t}\n\telse {\n"); + + fprintf(file, "\t\tmemcpy(%s%s, OutP->%s, ", ref, arg->argVarName, + arg->argMsgField); + if (btype->itTypeSize != btype->itNumber) + fprintf(file, "%d * ", btype->itTypeSize/btype->itNumber); + fprintf(file, "OutP->%s);\n", count->argMsgField); + fprintf(file, "\t}\n"); + } + } + else if (arg->argMultiplier > 1) + WriteCopyType(file, argType, + "%s%s", "/* %s%s */ OutP->%s / %d", + ref, arg->argVarName, arg->argMsgField, + arg->argMultiplier); + else + WriteCopyType(file, argType, + "%s%s", "/* %s%s */ OutP->%s", + ref, arg->argVarName, arg->argMsgField); + fprintf(file, "\n"); +} + +static void +WriteExtractArg(FILE *file, register const argument_t *arg) +{ + register const routine_t *rt = arg->argRoutine; + + if (akCheck(arg->argKind, akbReply)) + WriteTypeCheck(file, arg); + + if (akCheckAll(arg->argKind, akbVariable|akbReply)) + WriteCheckMsgSize(file, arg); + + /* Now that the RetCode is type-checked, check its value. + Must abort immediately if it isn't KERN_SUCCESS, because + in that case the reply message is truncated. */ + + if (arg == rt->rtRetCode) + WriteRetCodeCheck(file, rt); + + if (akCheckAll(arg->argKind, akbReturnRcv)) + WriteExtractArgValue(file, arg); +} + +static void +WriteAdjustReplyMsgPtr(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *ptype = arg->argType; + + fprintf(file, + "\tOutP = (Reply *) ((char *) OutP + msgh_size_delta - %d);\n\n", + ptype->itTypeSize + ptype->itPadSize); +} + +static void +WriteReplyArgs(FILE *file, register const routine_t *rt) +{ + register const argument_t *arg; + register const argument_t *lastVarArg; + + lastVarArg = argNULL; + for (arg = rt->rtArgs; arg != argNULL; arg = arg->argNext) { + + /* + * Advance message pointer if the last reply argument was + * variable-length and the reply position will change. + */ + if (lastVarArg != argNULL && + lastVarArg->argReplyPos < arg->argReplyPos) + { + WriteAdjustReplyMsgPtr(file, lastVarArg); + lastVarArg = argNULL; + } + + /* + * Copy the argument + */ + WriteExtractArg(file, arg); + + /* + * Remember whether this was variable-length. + */ + if (akCheckAll(arg->argKind, akbReturnRcv|akbVariable)) + lastVarArg = arg; + } +} + +/************************************************************* + * Writes code to return the return value. Called by WriteRoutine + * for routines and functions. + *************************************************************/ +static void +WriteReturnValue(FILE *file, const routine_t *rt) +{ + if (rt->rtReturn == rt->rtRetCode) + /* If returning RetCode, we have already checked that it is + KERN_SUCCESS */ + fprintf(file, "\treturn KERN_SUCCESS;\n"); + + else + { + if (rt->rtNumReplyVar > 0) + fprintf(file, "\tOutP = &Mess.Out;\n"); + + fprintf(file, "\treturn OutP->%s;\n", rt->rtReturn->argMsgField); + } +} + +/************************************************************* + * Writes the elements of the message type declaration: the + * msg_type structure, the argument itself and any padding + * that is required to make the argument a multiple of 4 bytes. + * Called by WriteRoutine for all the arguments in the request + * message first and then the reply message. + *************************************************************/ +static void +WriteFieldDecl(FILE *file, const argument_t *arg) +{ + WriteFieldDeclPrim(file, arg, FetchUserType); +} + +static void +WriteStubDecl(FILE *file, register const routine_t *rt) +{ + fprintf(file, "\n"); + fprintf(file, "/* %s %s */\n", rtRoutineKindToStr(rt->rtKind), rt->rtName); + fprintf(file, "mig_external %s %s\n", ReturnTypeStr(rt), rt->rtUserName); + fprintf(file, "(\n"); + WriteList(file, rt->rtArgs, WriteUserVarDecl, akbUserArg, ",\n", "\n"); + fprintf(file, ")\n"); + fprintf(file, "{\n"); +} + +/************************************************************* + * Writes all the code comprising a routine body. Called by + * WriteUser for each routine. + *************************************************************/ +static void +WriteRoutine(FILE *file, register const routine_t *rt) +{ + /* write the stub's declaration */ + + WriteStubDecl(file, rt); + + /* typedef of structure for Request and Reply messages */ + + WriteStructDecl(file, rt->rtArgs, WriteFieldDecl, akbRequest, "Request"); + if (!rt->rtOneWay) + WriteStructDecl(file, rt->rtArgs, WriteFieldDecl, akbReply, "Reply"); + + /* declarations for local vars: Union of Request and Reply messages, + InP, OutP and return value */ + + WriteVarDecls(file, rt); + + /* declarations and initializations of the mach_msg_type_t variables + for each argument */ + + WriteList(file, rt->rtArgs, WriteTypeDeclIn, akbRequest, "\n", "\n"); + if (!rt->rtOneWay) + WriteList(file, rt->rtArgs, WriteCheckDecl, akbReplyQC, "\n", "\n"); + + /* fill in all the request message types and then arguments */ + + WriteRequestArgs(file, rt); + + /* fill in request message head */ + + WriteRequestHead(file, rt); + fprintf(file, "\n"); + + /* Write the send/receive or rpc call */ + + if (rt->rtOneWay) + WriteMsgSend(file, rt); + else + { + if (UseMsgRPC) + WriteMsgRPC(file, rt); + else + WriteMsgSendReceive(file, rt); + + /* Check the values that are returned in the reply message */ + + WriteCheckIdentity(file, rt); + + /* If the reply message has no Out parameters or return values + other than the return code, we can type-check it and + return it directly. */ + + if (rt->rtNoReplyArgs) + { + WriteTypeCheck(file, rt->rtRetCode); + + fprintf(file, "\treturn OutP->RetCode;\n"); + } + else { + WriteReplyArgs(file, rt); + + /* return the return value, if any */ + + if (rt->rtProcedure) + fprintf(file, "\t/* Procedure - no return needed */\n"); + else + WriteReturnValue(file, rt); + } + } + + fprintf(file, "}\n"); +} + +/************************************************************* + * Writes out the xxxUser.c file. Called by mig.c + *************************************************************/ +void +WriteUser(FILE *file, const statement_t *stats) +{ + register const statement_t *stat; + + WriteProlog(file); + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + WriteRoutine(file, stat->stRoutine); + break; + case skImport: + case skUImport: + WriteImport(file, stat->stFileName); + break; + case skSImport: + break; + default: + fatal("WriteUser(): bad statement_kind_t (%d)", + (int) stat->stKind); + } + WriteEpilog(file); +} + +/************************************************************* + * Writes out individual .c user files for each routine. Called by mig.c + *************************************************************/ +void +WriteUserIndividual(const statement_t *stats) +{ + register const statement_t *stat; + + for (stat = stats; stat != stNULL; stat = stat->stNext) + switch (stat->stKind) + { + case skRoutine: + { + FILE *file; + register char *filename; + + filename = strconcat(UserFilePrefix, + strconcat(stat->stRoutine->rtName, ".c")); + file = fopen(filename, "w"); + if (file == NULL) + fatal("fopen(%s): %s", filename, + unix_error_string(errno)); + WriteProlog(file); + + { + /* Write all the imports. */ + const statement_t *s; + for (s = stats; s != stNULL; s = s->stNext) + switch (s->stKind) + { + case skImport: + case skUImport: + WriteImport(file, s->stFileName); + break; + } + } + + WriteRoutine(file, stat->stRoutine); + WriteEpilog(file); + fclose(file); + strfree(filename); + } + break; + case skImport: + case skUImport: + break; + case skSImport: + break; + default: + fatal("WriteUserIndividual(): bad statement_kind_t (%d)", + (int) stat->stKind); + } +} diff --git a/mig/utils.c b/mig/utils.c new file mode 100644 index 0000000..f716e01 --- /dev/null +++ b/mig/utils.c @@ -0,0 +1,417 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#include <stdarg.h> + +#include "write.h" +#include "utils.h" +#include "global.h" + +void +WriteImport(FILE *file, const_string_t filename) +{ + fprintf(file, "#include %s\n", filename); +} + +void +WriteRCSDecl(FILE *file, identifier_t name, const_string_t rcs) +{ + fprintf(file, "#ifndef\tlint\n"); + fprintf(file, "#if\tUseExternRCSId\n"); + fprintf(file, "char %s_rcsid[] = %s;\n", name, rcs); + fprintf(file, "#else\t/* UseExternRCSId */\n"); + fprintf(file, "static char rcsid[] = %s;\n", rcs); + fprintf(file, "#endif\t/* UseExternRCSId */\n"); + fprintf(file, "#endif\t/* lint */\n"); + fprintf(file, "\n"); +} + +void +WriteBogusDefines(FILE *file) +{ + fprintf(file, "#ifndef\tmig_internal\n"); + fprintf(file, "#define\tmig_internal\tstatic\n"); + fprintf(file, "#endif\n"); + fprintf(file, "\n"); + + fprintf(file, "#ifndef\tmig_external\n"); + fprintf(file, "#define mig_external\n"); + fprintf(file, "#endif\n"); + fprintf(file, "\n"); + + fprintf(file, "#ifndef\tTypeCheck\n"); + fprintf(file, "#define\tTypeCheck 1\n"); + fprintf(file, "#endif\n"); + fprintf(file, "\n"); + + fprintf(file, "#ifndef\tUseExternRCSId\n"); + fprintf(file, "#define\tUseExternRCSId\t\t1\n"); + fprintf(file, "#endif\n"); + fprintf(file, "\n"); +} + +void +WriteList(FILE *file, const argument_t *args, write_list_fn_t *func, u_int mask, + const char *between, const char *after) +{ + register const argument_t *arg; + register boolean_t sawone = FALSE; + + for (arg = args; arg != argNULL; arg = arg->argNext) + if (akCheckAll(arg->argKind, mask)) + { + if (sawone) + fprintf(file, "%s", between); + sawone = TRUE; + + (*func)(file, arg); + } + + if (sawone) + fprintf(file, "%s", after); +} + +static boolean_t +WriteReverseListPrim(FILE *file, register const argument_t *arg, + write_list_fn_t *func, u_int mask, const char *between) +{ + boolean_t sawone = FALSE; + + if (arg != argNULL) + { + sawone = WriteReverseListPrim(file, arg->argNext, func, mask, between); + + if (akCheckAll(arg->argKind, mask)) + { + if (sawone) + fprintf(file, "%s", between); + sawone = TRUE; + + (*func)(file, arg); + } + } + + return sawone; +} + +void +WriteReverseList(FILE *file, const argument_t *args, write_list_fn_t *func, + u_int mask, const char *between, const char *after) +{ + boolean_t sawone; + + sawone = WriteReverseListPrim(file, args, func, mask, between); + + if (sawone) + fprintf(file, "%s", after); +} + +void +WriteNameDecl(FILE *file, const argument_t *arg) +{ + fprintf(file, "%s", arg->argVarName); +} + +void +WriteUserVarDecl(FILE *file, const argument_t *arg) +{ + const char *ref = arg->argByReferenceUser ? "*" : ""; + + fprintf(file, "\t%s %s%s", arg->argType->itUserType, ref, arg->argVarName); +} + +void +WriteServerVarDecl(FILE *file, const argument_t *arg) +{ + const char *ref = arg->argByReferenceServer ? "*" : ""; + + fprintf(file, "\t%s %s%s", + arg->argType->itTransType, ref, arg->argVarName); +} + +void +WriteTypeDeclIn(FILE *file, register const argument_t *arg) +{ + WriteStaticDecl(file, arg->argType, + arg->argType->itIndefinite ? d_NO : arg->argDeallocate, + arg->argLongForm, TRUE, arg->argTTName); +} + +void +WriteTypeDeclOut(FILE *file, register const argument_t *arg) +{ + WriteStaticDecl(file, arg->argType, + arg->argType->itIndefinite ? d_NO : arg->argDeallocate, + arg->argLongForm, FALSE, arg->argTTName); +} + +void +WriteCheckDecl(FILE *file, register const argument_t *arg) +{ + register const ipc_type_t *it = arg->argType; + + /* We'll only be called for short-form types. + Note we use itOutNameStr instead of itInNameStr, because + this declaration will be used to check received types. */ + + fprintf(file, "\tstatic const mach_msg_type_t %sCheck = {\n", + arg->argVarName); + fprintf(file, "\t\t/* msgt_name = */\t\t%s,\n", it->itOutNameStr); + fprintf(file, "\t\t/* msgt_size = */\t\t%d,\n", it->itSize); + fprintf(file, "\t\t/* msgt_number = */\t\t%d,\n", it->itNumber); + fprintf(file, "\t\t/* msgt_inline = */\t\t%s,\n", + strbool(it->itInLine)); + fprintf(file, "\t\t/* msgt_longform = */\t\tFALSE,\n"); + fprintf(file, "\t\t/* msgt_deallocate = */\t\t%s,\n", + strbool(!it->itInLine)); + fprintf(file, "\t\t/* msgt_unused = */\t\t0\n"); + fprintf(file, "\t};\n"); +} + +const char * +ReturnTypeStr(const routine_t *rt) +{ + if (rt->rtReturn == argNULL) + return "void"; + else + return rt->rtReturn->argType->itUserType; +} + +const char * +FetchUserType(const ipc_type_t *it) +{ + return it->itUserType; +} + +const char * +FetchServerType(const ipc_type_t *it) +{ + return it->itServerType; +} + +void +WriteFieldDeclPrim(FILE *file, const argument_t *arg, + const char *(*tfunc)(const ipc_type_t *)) +{ + register const ipc_type_t *it = arg->argType; + + fprintf(file, "\t\tmach_msg_type_%st %s;\n", + arg->argLongForm ? "long_" : "", arg->argTTName); + + if (it->itInLine && it->itVarArray) + { + register ipc_type_t *btype = it->itElement; + + /* + * Build our own declaration for a varying array: + * use the element type and maximum size specified. + * Note arg->argCount->argMultiplier == btype->itNumber. + */ + fprintf(file, "\t\t%s %s[%d];", + (*tfunc)(btype), + arg->argMsgField, + it->itNumber/btype->itNumber); + } + else + fprintf(file, "\t\t%s %s;", (*tfunc)(it), arg->argMsgField); + + if (it->itPadSize != 0) + fprintf(file, "\n\t\tchar %s[%d];", arg->argPadName, it->itPadSize); +} + +void +WriteStructDecl(FILE *file, const argument_t *args, write_list_fn_t *func, + u_int mask, const char *name) +{ + fprintf(file, "\ttypedef struct {\n"); + fprintf(file, "\t\tmach_msg_header_t Head;\n"); + WriteList(file, args, func, mask, "\n", "\n"); + fprintf(file, "\t} %s;\n", name); + fprintf(file, "\n"); +} + +static void +WriteStaticLongDecl(FILE *file, register const ipc_type_t *it, + dealloc_t dealloc, boolean_t inname, identifier_t name) +{ + fprintf(file, "\tstatic const mach_msg_type_long_t %s = {\n", name); + fprintf(file, "\t{\n"); + fprintf(file, "\t\t/* msgt_name = */\t\t0,\n"); + fprintf(file, "\t\t/* msgt_size = */\t\t0,\n"); + fprintf(file, "\t\t/* msgt_number = */\t\t0,\n"); + fprintf(file, "\t\t/* msgt_inline = */\t\t%s,\n", + strbool(it->itInLine)); + fprintf(file, "\t\t/* msgt_longform = */\t\tTRUE,\n"); + fprintf(file, "\t\t/* msgt_deallocate = */\t\t%s,\n", + strdealloc(dealloc)); + fprintf(file, "\t\t/* msgt_unused = */\t\t0\n"); + fprintf(file, "\t},\n"); + fprintf(file, "\t\t/* msgtl_name = */\t%s,\n", + inname ? it->itInNameStr : it->itOutNameStr); + fprintf(file, "\t\t/* msgtl_size = */\t%d,\n", it->itSize); + fprintf(file, "\t\t/* msgtl_number = */\t%d,\n", it->itNumber); + fprintf(file, "\t};\n"); +} + +static void +WriteStaticShortDecl(FILE *file, register const ipc_type_t *it, + dealloc_t dealloc, boolean_t inname, identifier_t name) +{ + fprintf(file, "\tstatic const mach_msg_type_t %s = {\n", name); + fprintf(file, "\t\t/* msgt_name = */\t\t%s,\n", + inname ? it->itInNameStr : it->itOutNameStr); + fprintf(file, "\t\t/* msgt_size = */\t\t%d,\n", it->itSize); + fprintf(file, "\t\t/* msgt_number = */\t\t%d,\n", it->itNumber); + fprintf(file, "\t\t/* msgt_inline = */\t\t%s,\n", + strbool(it->itInLine)); + fprintf(file, "\t\t/* msgt_longform = */\t\tFALSE,\n"); + fprintf(file, "\t\t/* msgt_deallocate = */\t\t%s,\n", + strdealloc(dealloc)); + fprintf(file, "\t\t/* msgt_unused = */\t\t0\n"); + fprintf(file, "\t};\n"); +} + +void +WriteStaticDecl(FILE *file, const ipc_type_t *it, dealloc_t dealloc, + boolean_t longform, boolean_t inname, identifier_t name) +{ + if (longform) + WriteStaticLongDecl(file, it, dealloc, inname, name); + else + WriteStaticShortDecl(file, it, dealloc, inname, name); +} + +/* + * Like vfprintf, but omits a leading comment in the format string + * and skips the items that would be printed by it. Only %s, %d, + * and %f are recognized. + */ +static void +SkipVFPrintf(FILE *file, register const char *fmt, va_list pvar) +{ + if (*fmt == 0) + return; /* degenerate case */ + + if (fmt[0] == '/' && fmt[1] == '*') { + /* Format string begins with C comment. Scan format + string until end-comment delimiter, skipping the + items in pvar that the enclosed format items would + print. */ + + register int c; + + fmt += 2; + for (;;) { + c = *fmt++; + if (c == 0) + return; /* nothing to format */ + if (c == '*') { + if (*fmt == '/') { + break; + } + } + else if (c == '%') { + /* Field to skip */ + c = *fmt++; + switch (c) { + case 's': + (void) va_arg(pvar, char *); + break; + case 'd': + (void) va_arg(pvar, int); + break; + case 'f': + (void) va_arg(pvar, double); + break; + case '\0': + return; /* error - fmt ends with '%' */ + default: + break; + } + } + } + /* End of comment. To be pretty, skip + the space that follows. */ + fmt++; + if (*fmt == ' ') + fmt++; + } + + /* Now format the string. */ + (void) vfprintf(file, fmt, pvar); +} + +void +WriteCopyType(FILE *file, const ipc_type_t *it, const char *left, + const char *right, ...) +{ + va_list pvar; + va_start(pvar, right); + + if (it->itStruct) + { + fprintf(file, "\t"); + SkipVFPrintf(file, left, pvar); + fprintf(file, " = "); + SkipVFPrintf(file, right, pvar); + fprintf(file, ";\n"); + } + else if (it->itString) + { + fprintf(file, "\t(void) %smig_strncpy(", SubrPrefix); + SkipVFPrintf(file, left, pvar); + fprintf(file, ", "); + SkipVFPrintf(file, right, pvar); + fprintf(file, ", %d);\n", it->itTypeSize); + } + else + { + fprintf(file, "\t{ typedef struct { char data[%d]; } *sp; * (sp) ", + it->itTypeSize); + SkipVFPrintf(file, left, pvar); + fprintf(file, " = * (sp) "); + SkipVFPrintf(file, right, pvar); + fprintf(file, "; }\n"); + } + va_end(pvar); +} + +void +WritePackMsgType(FILE *file, const ipc_type_t *it, dealloc_t dealloc, + boolean_t longform, boolean_t inname, const char *left, + const char *right, ...) +{ + va_list pvar; + va_start(pvar, right); + + fprintf(file, "\t"); + SkipVFPrintf(file, left, pvar); + fprintf(file, " = "); + SkipVFPrintf(file, right, pvar); + fprintf(file, ";\n"); + + va_end(pvar); +} diff --git a/mig/utils.h b/mig/utils.h new file mode 100644 index 0000000..3a4c832 --- /dev/null +++ b/mig/utils.h @@ -0,0 +1,76 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _UTILS_H +#define _UTILS_H + +/* stuff used by more than one of header.c, user.c, server.c */ + +typedef void write_list_fn_t(FILE *file, const argument_t *arg); + +extern void WriteImport(FILE *file, const_string_t filename); +extern void WriteRCSDecl(FILE *file, identifier_t name, const_string_t rcs); +extern void WriteBogusDefines(FILE *file); + +extern void WriteList(FILE *file, const argument_t *args, write_list_fn_t *func, + u_int mask, const char *between, const char *after); + +extern void WriteReverseList(FILE *file, const argument_t *args, + write_list_fn_t *func, u_int mask, + const char *between, const char *after); + +/* good as arguments to WriteList */ +extern write_list_fn_t WriteNameDecl; +extern write_list_fn_t WriteUserVarDecl; +extern write_list_fn_t WriteServerVarDecl; +extern write_list_fn_t WriteTypeDeclIn; +extern write_list_fn_t WriteTypeDeclOut; +extern write_list_fn_t WriteCheckDecl; + +extern const char *ReturnTypeStr(const routine_t *rt); + +extern const char *FetchUserType(const ipc_type_t *it); +extern const char *FetchServerType(const ipc_type_t *it); +extern void WriteFieldDeclPrim(FILE *file, const argument_t *arg, + const char *(*tfunc)(const ipc_type_t *it)); + +extern void WriteStructDecl(FILE *file, const argument_t *args, + write_list_fn_t *func, u_int mask, + const char *name); + +extern void WriteStaticDecl(FILE *file, const ipc_type_t *it, + dealloc_t dealloc, boolean_t longform, + boolean_t inname, identifier_t name); + +extern void WriteCopyType(FILE *file, const ipc_type_t *it, + const char *left, const char *right, ...); + +extern void WritePackMsgType(FILE *file, const ipc_type_t *it, + dealloc_t dealloc, boolean_t longform, + boolean_t inname, const char *left, + const char *right, ...); + +#endif /* _UTILS_H */ diff --git a/mig/vprint.c b/mig/vprint.c new file mode 100644 index 0000000..ea66c59 --- /dev/null +++ b/mig/vprint.c @@ -0,0 +1,433 @@ +/* + * Copyright (c) 1990,1992,1993 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software_Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +#ifndef HAVE_VPRINTF + +/* + * ansi varargs versions of printf routines + * This are directly included to deal with nonansi libc's. + */ +#include <stdio.h> +#include <stdarg.h> +#include <ctype.h> +#include <limits.h> + +/* + * Forward declaration. + */ +static void _doprnt_ansi(const char *_fmt, va_list _args, FILE *_stream); + +int +vprintf(const char *fmt, va_list args) +{ + _doprnt_ansi(fmt, args, stdout); + return (ferror(stdout) ? EOF : 0); +} + +int +vfprintf(FILE *f, const char *fmt, va_list args) +{ + _doprnt_ansi(fmt, args, f); + return (ferror(f) ? EOF : 0); +} + +int +vsprintf(char *s, const char *fmt, va_list args) +{ + FILE fakebuf; + + fakebuf._flag = _IOSTRG; /* no _IOWRT: avoid stdio bug */ + fakebuf._ptr = s; + fakebuf._cnt = 32767; + _doprnt_ansi(fmt, args, &fakebuf); + putc('\0', &fakebuf); + return (strlen(s)); +} + +int +vsnprintf(char *s, int n, const char *fmt, va_list args) +{ + FILE fakebuf; + + fakebuf._flag = _IOSTRG; /* no _IOWRT: avoid stdio bug */ + fakebuf._ptr = s; + fakebuf._cnt = n-1; + _doprnt_ansi(fmt, args, &fakebuf); + fakebuf._cnt++; + putc('\0', &fakebuf); + if (fakebuf._cnt<0) + fakebuf._cnt = 0; + return (n-fakebuf._cnt-1); +} + +/* + * Common code for printf et al. + * + * The calling routine typically takes a variable number of arguments, + * and passes the address of the first one. This implementation + * assumes a straightforward, stack implementation, aligned to the + * machine's wordsize. Increasing addresses are assumed to point to + * successive arguments (left-to-right), as is the case for a machine + * with a downward-growing stack with arguments pushed right-to-left. + * + * To write, for example, fprintf() using this routine, the code + * + * fprintf(fd, format, args) + * FILE *fd; + * char *format; + * { + * _doprnt_ansi(format, &args, fd); + * } + * + * would suffice. (This example does not handle the fprintf's "return + * value" correctly, but who looks at the return value of fprintf + * anyway?) + * + * This version implements the following printf features: + * + * %d decimal conversion + * %u unsigned conversion + * %x hexadecimal conversion + * %X hexadecimal conversion with capital letters + * %o octal conversion + * %c character + * %s string + * %m.n field width, precision + * %-m.n left adjustment + * %0m.n zero-padding + * %*.* width and precision taken from arguments + * + * This version does not implement %f, %e, or %g. It accepts, but + * ignores, an `l' as in %ld, %lo, %lx, and %lu, and therefore will not + * work correctly on machines for which sizeof(long) != sizeof(int). + * It does not even parse %D, %O, or %U; you should be using %ld, %o and + * %lu if you mean long conversion. + * + * As mentioned, this version does not return any reasonable value. + * + * Permission is granted to use, modify, or propagate this code as + * long as this notice is incorporated. + * + * Steve Summit 3/25/87 + */ + +/* + * Added for general use: + * # prefix for alternate format: + * 0x (0X) for hex + * leading 0 for octal + * + print '+' if positive + * blank print ' ' if positive + * + */ + +/* + * Fixed to handle `l' and `h' prefixes, %% format, and ANSI %p format. + * It does not handle the ANSI %n format. + * + * ANSI NOTE: The formating of %d, %o, %u, %x, and %X are not compliant. + * + * NOTE: Given that this routine uses stdarg.h, I'm not sure that the + * comment above about stack layout is valid. + * + * Peter Stout, 1/11/93 + */ + +#define Ctod(c) ((c) - '0') + +#define MAXBUF (sizeof(long int) * 8) /* enough for binary */ + +typedef int boolean_t; +#define FALSE ((boolean_t) 0) +#define TRUE ((boolean_t) 1) + +#define SHORT sizeof(short) +#define INT sizeof(int) +#define LONG sizeof(long) + +static void +_doprnt_ansi(register const char *fmt, va_list args, FILE *stream) +{ + int length; + int prec; + boolean_t ladjust; + char padc; + long n; + unsigned long u; + int plus_sign; + int sign_char; + boolean_t altfmt; + int base; + int size; + unsigned char char_buf[2]; + + char_buf[1] = '\0'; + + while (*fmt != '\0') { + if (*fmt != '%') { + putc(*fmt++, stream); + continue; + } + + fmt++; + + length = 0; + prec = -1; + ladjust = FALSE; + padc = ' '; + plus_sign = 0; + sign_char = 0; + altfmt = FALSE; + + while (TRUE) { + if (*fmt == '#') { + altfmt = TRUE; + fmt++; + } + else if (*fmt == '-') { + ladjust = TRUE; + fmt++; + } + else if (*fmt == '+') { + plus_sign = '+'; + fmt++; + } + else if (*fmt == ' ') { + if (plus_sign == 0) + plus_sign = ' '; + fmt++; + } + else + break; + } + + if (*fmt == '0') { + padc = '0'; + fmt++; + } + + if (isdigit(*fmt)) { + while(isdigit(*fmt)) + length = 10 * length + Ctod(*fmt++); + } + else if (*fmt == '*') { + length = va_arg(args, int); + fmt++; + if (length < 0) { + ladjust = !ladjust; + length = -length; + } + } + + if (*fmt == '.') { + prec = 0; + fmt++; + if (isdigit(*fmt)) { + prec = 0; + while(isdigit(*fmt)) + prec = 10 * prec + Ctod(*fmt++); + } + else if (*fmt == '*') { + prec = va_arg(args, int); + fmt++; + } + } + + if (*fmt == 'l' || *fmt == 'h') + size = *(fmt++) == 'l' ? LONG : SHORT; + else + size = INT; + + switch(*fmt) { + case 'c': + { + register const char *p; + register const char *p2; + + char_buf[0] = va_arg(args, int); + p = char_buf; + prec = 1; + goto put_string; + + case 's': + if (prec == -1) + prec = INT_MAX; + + p = va_arg(args, char *); + + if (p == (const char *)0) + p = ""; + + put_string: + if (length > 0 && !ladjust) { + n = 0; + p2 = p; + + for (; *p != '\0' && n < prec; p++) + n++; + + p = p2; + + while (n < length) { + putc(padc, stream); + n++; + } + } + + n = 0; + + while (*p != '\0') { + if (++n > prec) + break; + + putc(*p++, stream); + } + + if (n < length && ladjust) { + while (n < length) { + putc(' ', stream); + n++; + } + } + + break; + } + + case 'o': + base = 8; + goto print_unsigned; + + case 'i': + case 'd': + base = 10; + goto print_signed; + + case 'u': + base = 10; + goto print_unsigned; + + case 'x': + case 'X': + base = 16; + goto print_unsigned; + + case 'p': + base = 16; + altfmt = TRUE; + u = (unsigned long) va_arg(args, void *); + goto print_num; + + print_signed: + if (size == INT) + n = va_arg(args, int); + else if (size == LONG) + n = va_arg(args, long); + else + n = (short) va_arg(args, int); + if (n >= 0) { + u = n; + sign_char = plus_sign; + } + else { + u = -n; + sign_char = '-'; + } + goto print_num; + + print_unsigned: + if (size == INT) + u = va_arg(args, unsigned int); + else if (size == LONG) + u = va_arg(args, unsigned long); + else + u = (unsigned short) va_arg(args, unsigned int); + goto print_num; + + print_num: + { + char buf[MAXBUF]; /* build number here */ + register char * p = &buf[MAXBUF-1]; + static const char digits[] = "0123456789abcdef"; + const char *prefix = 0; + + if (u != 0 && altfmt) { + if (base == 8) + prefix = "0"; + else if (base == 16) + prefix = "0x"; + } + + do { + *p-- = digits[u % base]; + u /= base; + } while (u != 0); + + length -= (&buf[MAXBUF-1] - p); + if (sign_char) + length--; + if (prefix) + length -= strlen(prefix); + + if (padc == ' ' && !ladjust) { + /* blank padding goes before prefix */ + while (--length >= 0) + putc(' ', stream); + } + if (sign_char) + putc(sign_char, stream); + if (prefix) + while (*prefix) + putc(*prefix++, stream); + if (padc == '0') { + /* zero padding goes after sign and prefix */ + while (--length >= 0) + putc('0', stream); + } + while (++p != &buf[MAXBUF]) + putc(*p, stream); + + if (ladjust) { + while (--length >= 0) + putc(' ', stream); + } + break; + } + + case '%': + putc('%', stream); + break; + + case '\0': + fmt--; + break; + + default: + putc(*fmt, stream); + } + fmt++; + } +} + +#endif !HAVE_VPRINTF diff --git a/mig/write.h b/mig/write.h new file mode 100644 index 0000000..8b481a3 --- /dev/null +++ b/mig/write.h @@ -0,0 +1,41 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#ifndef _WRITE_H +#define _WRITE_H + +#include <stdio.h> + +#include "statement.h" + +extern void WriteUserHeader(FILE *file, const statement_t *stats); +extern void WriteServerHeader(FILE *file, const statement_t *stats); +extern void WriteInternalHeader(FILE *file, const statement_t *stats); +extern void WriteUser(FILE *file, const statement_t *stats); +extern void WriteUserIndividual(const statement_t *stats); +extern void WriteServer(FILE *file, const statement_t *stats); + +#endif /* _WRITE_H */ |