4 extern "C" void arm_function_3(int* p);
5 extern "C" void thumb_function_1(int* p);
6 extern "C" void thumb_function_2(int* p);
8 extern "C" _Unwind_Reason_Code trace_function(_Unwind_Context* context, void *) {
9 printf("0x%x\n", _Unwind_GetIP(context));
11 return _URC_NO_REASON;
14 void thumb_function_1(int*) {
19 void thumb_function_2(int*) {
20 printf("unwinding...\n");
21 _Unwind_Backtrace(trace_function, (void*) "backtrace!");