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| #include <assert.h>
| #include <stdlib.h>
| #include <unwind.h>
|
| #define EXPECTED_NUM_FRAMES 50
| #define NUM_FRAMES_UPPER_BOUND 100
|
| _Unwind_Reason_Code callback(_Unwind_Context *context, void *cnt) {
| (void)context;
| int *i = (int *)cnt;
| ++*i;
| if (*i > NUM_FRAMES_UPPER_BOUND) {
| abort();
| }
| return _URC_NO_REASON;
| }
|
| void test_backtrace() {
| int n = 0;
| _Unwind_Backtrace(&callback, &n);
| if (n < EXPECTED_NUM_FRAMES) {
| abort();
| }
| }
|
| int test(int i) {
| if (i == 0) {
| test_backtrace();
| return 0;
| } else {
| return i + test(i - 1);
| }
| }
|
| int main() {
| int total = test(50);
| assert(total == 1275);
| }
|
|
