Merge branch 'binutils' into tmp

[pf3gnuchains/pf3gnuchains4x.git] / gdb / testsuite / gdb.base / signest.c

diff --git a/gdb/testsuite/gdb.base/signest.c b/gdb/testsuite/gdb.base/signest.c
new file mode 100644 (file)
index 0000000..1a9c1ce
--- /dev/null
+++ b/gdb/testsuite/gdb.base/signest.c
@@ -0,0 +1,53 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2011-2012 Free Software Foundation, Inc.
+
+   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/>.  */
+
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+volatile char *p = NULL;
+
+extern long
+bowler (void)
+{
+  return *p;
+}
+
+extern void
+keeper (int sig)
+{
+  static int recurse = 0;
+  if (++recurse < 3)
+    bowler ();
+
+  _exit (0);
+}
+
+int
+main (void)
+{
+  struct sigaction act;
+  memset (&act, 0, sizeof act);
+  act.sa_handler = keeper;
+  act.sa_flags = SA_NODEFER;
+  sigaction (SIGSEGV, &act, NULL);
+  sigaction (SIGBUS, &act, NULL);
+
+  bowler ();
+  return 0;
+}