AArch64: Don't clobber argument for tail call to __sigjmp_save in sigsetjmp

2 files changed, 46 insertions, 1 deletions

diff --git a/setjmp/Makefile b/setjmp/Makefile
index 6124333..913359c 100644
--- a/setjmp/Makefile
+++ b/setjmp/Makefile
@@ -25,7 +25,8 @@ headers	:= setjmp.h bits/setjmp.h bits/setjmp2.h
 routines	:= setjmp sigjmp bsd-setjmp bsd-_setjmp \
 		   longjmp __longjmp jmp-unwind
 
-tests		:= tst-setjmp jmpbug bug269-setjmp tst-setjmp-fp
+tests		:= tst-setjmp jmpbug bug269-setjmp tst-setjmp-fp \
+		   tst-sigsetjmp
 
 
 include ../Rules
diff --git a/setjmp/tst-sigsetjmp.c b/setjmp/tst-sigsetjmp.c
new file mode 100644
index 0000000..467c26a
--- /dev/null
+++ b/setjmp/tst-sigsetjmp.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* Test case for BZ #15493 */
+
+#include <stdlib.h>
+#include <signal.h>
+#include <setjmp.h>
+
+static int
+do_test (void)
+{
+  sigjmp_buf sj;
+  sigset_t m;
+
+  sigemptyset (&m);
+  sigprocmask (SIG_SETMASK, &m, NULL);
+  if (sigsetjmp (sj, 0) == 0)
+    {
+      sigaddset (&m, SIGUSR1);
+      sigprocmask (SIG_SETMASK, &m, NULL);
+      siglongjmp (sj, 1);
+      return EXIT_FAILURE;
+    }
+  sigprocmask (SIG_SETMASK, NULL, &m);
+  return sigismember (&m, SIGUSR1) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"