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Add stack trace to the tests when building with GCC

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Signed-off-by: Vicent Marti <tanoku@gmail.com>
This commit is contained in:
Vicent Marti 2010-12-02 04:19:14 +02:00
parent 8c1f9e4dc3
commit 1e35f929ef
1 changed files with 60 additions and 0 deletions
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60
tests/test_main.c
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@ -26,6 +26,59 @@
#include "test_lib.h"
#include <string.h>
/*
* print backtrace when a test fails;
* GCC only
*/
#ifdef __GNUC__
#include <execinfo.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ucontext.h>
#include <unistd.h>
typedef struct _sig_ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
} sig_ucontext_t;
void crash_handler(int sig_num, siginfo_t *info, void *ucontext)
{
void *array[50];
void *caller_address;
char **messages;
int size, i;
sig_ucontext_t *uc;
uc = (sig_ucontext_t *)ucontext;
caller_address = (void *)uc->uc_mcontext.eip;
fprintf(stderr, "Signal %d (%s), address: %p from %p\n",
sig_num, strsignal(sig_num), info->si_addr,
(void *)caller_address);
size = backtrace(array, 50);
array[1] = caller_address;
messages = backtrace_symbols(array, size);
for (i = 1; i < size && messages != NULL; ++i)
fprintf(stderr, "\t(%d) %s\n", i, messages[i]);
free(messages);
exit(EXIT_FAILURE);
}
#endif
#undef BEGIN_TEST
#define BEGIN_TEST(name) extern void testfunc__##name(void);
#include TEST_TOC
@ -45,6 +98,13 @@ int main(int argc, char **argv)
{
struct test_def *t;
#ifdef __GNUC__
struct sigaction sigact;
sigact.sa_sigaction = crash_handler;
sigact.sa_flags = SA_RESTART | SA_SIGINFO;
sigaction(SIGSEGV, &sigact, (struct sigaction *)NULL);
#endif
if (argc == 1) {
for (t = all_tests; t->name; t++)
t->fun();