diff options
Diffstat (limited to 'exec/priv.h')
| -rw-r--r-- | exec/priv.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/exec/priv.h b/exec/priv.h new file mode 100644 index 00000000..f6889b32 --- /dev/null +++ b/exec/priv.h @@ -0,0 +1,153 @@ +/* GNU Hurd standard exec server, private declarations. + Copyright (C) 1992, 1993, 1994, 1995, 1996, 1999 Free Software Foundation, Inc. + Written by Roland McGrath. + +This file is part of the GNU Hurd. + +The GNU Hurd 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. + +The GNU Hurd 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 the GNU Hurd; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <hurd/trivfs.h> +#include <hurd/ports.h> +#include <hurd/lookup.h> +#include <rwlock.h> + +#ifdef BFD +#include <bfd.h> +#endif + +#include <elf.h> +#include <fcntl.h> +#include "exec_S.h" + + +#ifndef exec_priv_h +#define exec_priv_h + +#ifdef BFD +/* A BFD whose architecture and machine type are those of the host system. */ +extern bfd_arch_info_type host_bfd_arch_info; +extern bfd host_bfd; +#endif + +/* Information kept around to be given to a new task + in response to a message on the task's bootstrap port. */ +struct bootinfo + { + struct port_info pi; + vm_address_t stack_base; + vm_size_t stack_size; + int flags; + char *argv, *envp; + size_t argvlen, envplen, dtablesize, nports, nints; + mach_port_t *dtable, *portarray; + int *intarray; + vm_address_t phdr_addr, user_entry; + vm_size_t phdr_size; + }; + + +/* Where to put the service ports. */ +struct port_bucket *port_bucket; +struct port_class *execboot_portclass; + + +typedef struct trivfs_protid *trivfs_protid_t; /* For MiG. */ + +extern mach_port_t procserver; /* Our proc port. */ + +#ifndef BFD +typedef void asection; +#endif + +/* Data shared between check, check_section, + load, load_section, and finish. */ +struct execdata + { + /* Passed out to caller. */ + error_t error; + + /* Set by check. */ + vm_address_t entry; + FILE stream; + file_t file; + +#ifdef BFD + bfd *bfd; +#endif + union /* Interpreter section giving name of file. */ + { + asection *section; + const Elf32_Phdr *phdr; + } interp; + memory_object_t filemap, cntlmap; + struct shared_io *cntl; + char *file_data; /* File data if already copied in core. */ + off_t file_size; + size_t optimal_block; /* Optimal size for io_read from file. */ + + /* Set by caller of load. */ + task_t task; + + union + { + /* Vector indexed by section index, + information passed from check_section to load_section. + Set by caller of check_section and load. */ + vm_offset_t *bfd_locations; + struct + { + /* Program header table read from the executable. + After `check' this is a pointer into the mapping window. + By `load' it is local alloca'd storage. */ + Elf32_Phdr *phdr; + Elf32_Word phnum; /* Number of program header table elements. */ + int anywhere; /* Nonzero if image can go anywhere. */ + vm_address_t loadbase; /* Actual mapping location. */ + } elf; + } info; + }; + +error_t elf_machine_matches_host (Elf32_Half e_machine); + +void finish (struct execdata *, int dealloc_file_port); + +void check_hashbang (struct execdata *e, + file_t file, + task_t oldtask, + int flags, + char *argv, u_int argvlen, boolean_t argv_copy, + char *envp, u_int envplen, boolean_t envp_copy, + mach_port_t *dtable, u_int dtablesize, + boolean_t dtable_copy, + mach_port_t *portarray, u_int nports, + boolean_t portarray_copy, + int *intarray, u_int nints, boolean_t intarray_copy, + mach_port_t *deallocnames, u_int ndeallocnames, + mach_port_t *destroynames, u_int ndestroynames); + + +/* Standard exec data for secure execs. */ +extern mach_port_t *std_ports; +extern int *std_ints; +extern size_t std_nports, std_nints; +extern struct rwlock std_lock; + + +#endif /* exec_priv_h */ |