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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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6
gdb/exceptions.c
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@ -51,7 +51,7 @@ struct catcher
{
enum catcher_state state;
/* Jump buffer pointing back at the exception handler. */
EXCEPTIONS_SIGJMP_BUF buf;
SIGJMP_BUF buf;
/* Status buffer belonging to the exception handler. */
volatile struct gdb_exception *exception;
/* Saved/current state. */
@ -80,7 +80,7 @@ catcher_list_size (void)
return size;
}
EXCEPTIONS_SIGJMP_BUF *
SIGJMP_BUF *
exceptions_state_mc_init (volatile struct gdb_exception *exception,
return_mask mask)
{
@ -229,7 +229,7 @@ throw_exception (struct gdb_exception exception)
be zero, by definition in defs.h. */
exceptions_state_mc (CATCH_THROWING);
*current_catcher->exception = exception;
EXCEPTIONS_SIGLONGJMP (current_catcher->buf, exception.reason);
SIGLONGJMP (current_catcher->buf, exception.reason);
}
static void