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Introduce common/gdb_setjmp.h

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This commit creates a new file, common/gdb_setjmp.h, to hold some
portability macros for setjmp/longjmp et al. that are used by the
exceptions subsystem and by the demangler crash catcher.

gdb/ChangeLog:

	* common/gdb_setjmp.h: New file.
	* Makefile.in (HFILES_NO_SRCDIR): Add common/gdb_setjmp.h.
	* configure.ac: Move sigsetjmp check...
	* common/common.m4: ...here.
	* configure: Regenerate.
	* cp-support.c (SIGJMP_BUF): Delete.
	(SIGSETJMP): Likewise.
	(SIGLONGJMP): Likewise.
	* exceptions.h (gdb_setjmp.h): Include.
	(setjmp.h): Do not include.
	(EXCEPTIONS_SIGJMP_BUF): Delete.
	(EXCEPTIONS_SIGSETJMP): Likewise.
	(EXCEPTIONS_SIGLONGJMP): Likewise.
	Replace all uses of EXCEPTIONS_SIG* macros with SIG* macros
	from gdb_setjmp.h.
	* exceptions.c: Likewise.

gdb/gdbserver/ChangeLog:

	* config.in: Regenerate.
	* configure: Likewise.
This commit is contained in:
Gary Benson 2014-08-07 15:53:21 +01:00
parent e31806255f
commit e9bcb65852
12 changed files with 148 additions and 81 deletions
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34
gdb/common/gdb_setjmp.h Normal file
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/* Portability wrappers for setjmp and longjmp.
Copyright (C) 1986-2014 Free Software Foundation, Inc.
This file is part of GDB.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef GDB_SETJMP_H
#define GDB_SETJMP_H
#include <setjmp.h>
#ifdef HAVE_SIGSETJMP
#define SIGJMP_BUF sigjmp_buf
#define SIGSETJMP(buf) sigsetjmp((buf), 1)
#define SIGLONGJMP(buf,val) siglongjmp((buf), (val))
#else
#define SIGJMP_BUF jmp_buf
#define SIGSETJMP(buf) setjmp(buf)
#define SIGLONGJMP(buf,val) longjmp((buf), (val))
#endif
#endif /* GDB_SETJMP_H */