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core/assert: print backtrace on failed assertion

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This commit is contained in:
Benjamin Valentin 2022-10-13 17:42:49 +02:00
parent fa96d469da
commit 6b34691abe
2 changed files with 13 additions and 0 deletions
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10
core/lib/assert.c
View File

@ -19,16 +19,26 @@
#include "architecture.h"
#include "cpu.h"
#include "panic.h"
#if IS_USED(MODULE_BACKTRACE)
#include "backtrace.h"
#endif
__NORETURN void _assert_failure(const char *file, unsigned line)
{
printf("%s:%u => ", file, line);
#if IS_USED(MODULE_BACKTRACE)
printf("failed assertion. Backtrace:\n");
backtrace_print();
#endif
core_panic(PANIC_ASSERT_FAIL, "FAILED ASSERTION.");
}
__NORETURN void _assert_panic(void)
{
printf("%" PRIxTXTPTR "\n", cpu_get_caller_pc());
#if IS_USED(MODULE_BACKTRACE)
backtrace_print();
#endif
core_panic(PANIC_ASSERT_FAIL, "FAILED ASSERTION.");
}

3
core/lib/include/assert.h
View File

@ -108,6 +108,9 @@ __NORETURN void _assert_failure(const char *file, unsigned line);
* or `gdb` (with the command `info line *(0x89abcdef)`) to identify the line
* the assertion failed in.
*
* If the `backtrace` module is enabled (and implemented for architecture in use)
* a backtrace will be printed in addition to the location of the failed assertion.
*
* @see http://pubs.opengroup.org/onlinepubs/9699919799/functions/assert.html
*/
#define assert(cond) ((cond) ? (void)0 : _assert_failure(RIOT_FILE_RELATIVE, \