49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* Test backtrace and backtrace_symbols: common code for examining
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backtraces.
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Copyright (C) 2013-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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/* Set to a non-zero value if the test fails. */
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volatile int ret;
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/* Accesses to X are used to prevent optimization. */
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volatile int x;
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/* Called if the test fails. */
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#define FAIL() \
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do { printf ("Failure on line %d\n", __LINE__); ret = 1; } while (0)
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/* Use this attribute to prevent inlining, so that all expected frames
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are present. */
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#define NO_INLINE __attribute__ ((noinline, noclone, weak))
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/* Look for a match in SYM from backtrace_symbols to NAME, a fragment
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of a function name. Ignore the filename before '(', but presume
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that the function names are chosen so they cannot accidentally
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match the hex offset before the closing ')'. */
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static inline bool
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match (const char *sym, const char *name)
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{
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char *p = strchr (sym, '(');
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return p != NULL && strstr (p, name) != NULL;
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}
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