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monkey: On assert failure, print a backtrace

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Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
This commit is contained in:
Daniel Silverstone 2020-01-10 21:53:30 +00:00
parent 5632c9c8c0
commit ccffb95f03
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GPG Key ID: C30DF439F2987D74
1 changed files with 23 additions and 0 deletions
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23
frontends/monkey/main.c
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@ -316,6 +316,29 @@ static void monkey_run(void)
}
}
#ifndef NDEBUG
#include <execinfo.h>
static void *backtrace_buffer[4096];
void
__assert_fail(const char *__assertion, const char *__file,
unsigned int __line, const char *__function)
{
int frames;
fprintf(stderr, "MONKEY: Assertion failure!\n%s:%d: %s: Assertion `%s` failed.\n",
__file, __line, __function, __assertion);
frames = backtrace(&backtrace_buffer[0], 4096);
if (frames > 0 && frames < 4096) {
fprintf(stderr, "Backtrace:\n");
fflush(stderr);
backtrace_symbols_fd(&backtrace_buffer[0], frames, 2);
}
abort();
}
#endif
int
main(int argc, char **argv)
{