From e9bcb6585201ab674d90d714295f63b40da41f16 Mon Sep 17 00:00:00 2001
From: Gary Benson <gbenson@redhat.com>
Date: Thu, 7 Aug 2014 15:53:21 +0100
Subject: Introduce common/gdb_setjmp.h

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.
---
 gdb/gdbserver/ChangeLog |  5 +++++
 gdb/gdbserver/config.in |  3 +++
 gdb/gdbserver/configure | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)

(limited to 'gdb/gdbserver')

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 76afb0d..453854e 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,5 +1,10 @@
 2014-08-29  Gary Benson  <gbenson@redhat.com>
 
+	* config.in: Regenerate.
+	* configure: Likewise.
+
+2014-08-29  Gary Benson  <gbenson@redhat.com>
+
 	* Makefile.in (SFILES): Add common/cleanups.c.
 	(OBS): cleanups.o.
 	(cleanups.o): New rule.
diff --git a/gdb/gdbserver/config.in b/gdb/gdbserver/config.in
index 216c01d..7828bf9 100644
--- a/gdb/gdbserver/config.in
+++ b/gdb/gdbserver/config.in
@@ -154,6 +154,9 @@
 /* Define to 1 if you have the <signal.h> header file. */
 #undef HAVE_SIGNAL_H
 
+/* Define if sigsetjmp is available. */
+#undef HAVE_SIGSETJMP
+
 /* Define to 1 if you have the `socketpair' function. */
 #undef HAVE_SOCKETPAIR
 
diff --git a/gdb/gdbserver/configure b/gdb/gdbserver/configure
index 9c1f9a8..9495905 100755
--- a/gdb/gdbserver/configure
+++ b/gdb/gdbserver/configure
@@ -5322,6 +5322,39 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
+$as_echo_n "checking for sigsetjmp... " >&6; }
+if test "${gdb_cv_func_sigsetjmp+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <setjmp.h>
+
+int
+main ()
+{
+sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gdb_cv_func_sigsetjmp=yes
+else
+  gdb_cv_func_sigsetjmp=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_func_sigsetjmp" >&5
+$as_echo "$gdb_cv_func_sigsetjmp" >&6; }
+if test $gdb_cv_func_sigsetjmp = yes; then
+
+$as_echo "#define HAVE_SIGSETJMP 1" >>confdefs.h
+
+fi
+
 
 # Check for UST
 ustlibs=""
-- 
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