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