2004-07-06 Andrew Cagney <cagney@gnu.org>

* gdb.base/sigbpt.exp, gdb.base/sigbpt.c: New test.

gdb/testsuite/gdb.base/sigbpt.c

@@ -0,0 +1,53 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2004 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 2 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, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+
+extern void
+keeper (int sig)
+{
+}
+
+volatile long v1 = 0;
+volatile long v2 = 0;
+volatile long v3 = 0;
+
+extern long
+bowler (void)
+{
+  /* Try to read address zero.  Do it in a slightly convoluted way so
+     that more than one instruction is used.  */
+  return *(char *) (v1 + v2 + v3);
+}
+
+int
+main ()
+{
+  static volatile int i;
+
+  struct sigaction act;
+  memset (&act, 0, sizeof act);
+  act.sa_handler = keeper;
+  sigaction (SIGSEGV, &act, NULL);
+
+  bowler ();
+  return 0;
+}