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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2004-2018 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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extern void
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keeper (int sig)
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{
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}
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volatile long v1 = 0;
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volatile long v2 = 0;
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volatile long v3 = 0;
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extern long
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bowler (void)
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{
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/* Try to read address zero. Do it in a slightly convoluted way so
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that more than one instruction is used. */
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return *(char *) (v1 + v2 + v3);
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}
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int
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main ()
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{
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static volatile int i;
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struct sigaction act;
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memset (&act, 0, sizeof act);
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act.sa_handler = keeper;
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sigaction (SIGSEGV, &act, NULL);
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sigaction (SIGBUS, &act, NULL);
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bowler ();
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return 0;
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}
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