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/* This testcase is part of GDB, the GNU debugger.
Copyright 2004, 2007, 2008 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>
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;
}
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