kern: new header file exception.h

* Makefrag.am: Include kern/exception.h.
* i386/i386/trap.c: Include kern/exception.h.
(exception, thread_exception_return): Remove forward declarations.
* kern/exception.c: Include kern/exception.h.
(exception, exception_try_task, exception_no_server, exception_raise, exception_parse_reply, exception_raise_continue, exception_raise_continue_slow, exception_raise_continue_fast): Remove forward declarations.
* kern/exception.h: New file.
Add copyright.
[_KERN_EXCEPTION_H_]: Add ifndef.
(exception, exception_try_task, exception_no_server, exception_raise, exception_parse_reply, exception_raise_continue, exception_raise_continue_slow, exception_raise_continue_fast): Add prototypes.

4 files changed, 66 insertions, 15 deletions

diff --git a/Makefrag.am b/Makefrag.am
index 9348147..2e08df1 100644
--- a/Makefrag.am
+++ b/Makefrag.am
@@ -143,6 +143,7 @@ libkernel_a_SOURCES += \
 	kern/eventcount.c \
 	kern/eventcount.h \
 	kern/exception.c \
+	kern/exception.h \
 	kern/host.c \
 	kern/host.h \
 	kern/ipc_host.c \
diff --git a/i386/i386/trap.c b/i386/i386/trap.c
index 5571a1f..e104e12 100644
--- a/i386/i386/trap.c
+++ b/i386/i386/trap.c
@@ -55,6 +55,7 @@
 #include <kern/task.h>
 #include <kern/sched.h>
 #include <kern/sched_prim.h>
+#include <kern/exception.h>
 
 #if MACH_KDB
 #include <ddb/db_run.h>
@@ -63,9 +64,6 @@
 
 #include "debug.h"
 
-extern void exception() __attribute__ ((noreturn));
-extern void thread_exception_return() __attribute__ ((noreturn));
-
 #if	MACH_KDB
 boolean_t	debug_all_traps_with_kdb = FALSE;
 extern struct db_watchpoint *db_watchpoint_list;
diff --git a/kern/exception.c b/kern/exception.c
index 112511e..d73b196 100644
--- a/kern/exception.c
+++ b/kern/exception.c
@@ -47,20 +47,9 @@
 #include <kern/processor.h>
 #include <kern/sched.h>
 #include <kern/sched_prim.h>
+#include <kern/exception.h>
 #include <mach/machine/vm_types.h>
 
-
-
-extern void exception() __attribute__ ((noreturn));
-extern void exception_try_task() __attribute__ ((noreturn));
-extern void exception_no_server() __attribute__ ((noreturn));
-
-extern void exception_raise() __attribute__ ((noreturn));
-extern kern_return_t exception_parse_reply();
-extern void exception_raise_continue() __attribute__ ((noreturn));
-extern void exception_raise_continue_slow() __attribute__ ((noreturn));
-extern void exception_raise_continue_fast() __attribute__ ((noreturn));
-
 #if	MACH_KDB
 extern void thread_kdb_return();
 extern void db_printf();
diff --git a/kern/exception.h b/kern/exception.h
new file mode 100644
index 0000000..8d4d79b
--- /dev/null
+++ b/kern/exception.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2013 Free Software Foundation.
+ *
+ * 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 of the License, 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _KERN_EXCEPTION_H_
+#define _KERN_EXCEPTION_H_
+
+extern void
+exception(
+	integer_t 	_exception,
+	integer_t	code,
+	integer_t	subcode) __attribute__ ((noreturn));
+
+extern void
+exception_try_task(
+	integer_t 	_exception,
+	integer_t	code,
+	integer_t	subcode) __attribute__ ((noreturn));
+
+extern void
+exception_no_server(void) __attribute__ ((noreturn));
+
+extern void
+exception_raise(
+	ipc_port_t dest_port,
+	ipc_port_t thread_port,
+	ipc_port_t task_port,
+	integer_t  _exception,
+	integer_t  code,
+	integer_t  subcode) __attribute__ ((noreturn));
+
+extern kern_return_t
+exception_parse_reply(ipc_kmsg_t kmsg);
+
+extern void
+exception_raise_continue(void) __attribute__ ((noreturn));
+
+extern void
+exception_raise_continue_slow(
+	mach_msg_return_t 	mr,
+	ipc_kmsg_t 		kmsg,
+	mach_port_seqno_t 	seqno) __attribute__ ((noreturn));
+
+extern void
+exception_raise_continue_fast(
+	ipc_port_t reply_port,
+	ipc_kmsg_t kmsg) __attribute__ ((noreturn));
+
+#endif /* _KERN_EXCEPTION_H_ */