81 lines
1.6 KiB
C
81 lines
1.6 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2008-2012 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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*/
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#include <setjmp.h>
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jmp_buf env;
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volatile int longjmps = 0;
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volatile int resumes = 0;
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int
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call_longjmp (jmp_buf *buf)
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{
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longjmps++;
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longjmp (*buf, 1);
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}
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void
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hidden_longjmp (void)
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{
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if (setjmp (env) == 0) /* longjmp caught */
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{
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call_longjmp (&env);
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}
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else
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resumes++;
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}
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int
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main ()
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{
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volatile int i = 0;
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/* Pattern 1 - simple longjmp. */
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if (setjmp (env) == 0) /* patt1 */
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{
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longjmps++;
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longjmp (env, 1);
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}
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else
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{
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resumes++;
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}
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i = 1; /* miss_step_1 */
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/* Pattern 2 - longjmp from an inner function. */
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if (setjmp (env) == 0) /* patt2 */
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{
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call_longjmp (&env);
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}
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else
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{
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resumes++;
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}
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i = 2; /* miss_step_2 */
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/* Pattern 3 - setjmp/longjmp inside stepped-over function. */
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hidden_longjmp (); /* patt3 */
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i = 3; /* patt_end3. */
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return 0;
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}
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