Retro68/gcc/libsanitizer/ubsan/ubsan_diag_standalone.cc
2018-12-28 16:30:48 +01:00

37 lines
1.0 KiB
C++

//===-- ubsan_diag_standalone.cc ------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Diagnostic reporting for the standalone UBSan runtime.
//
//===----------------------------------------------------------------------===//
#include "ubsan_platform.h"
#if CAN_SANITIZE_UB
#include "ubsan_diag.h"
using namespace __ubsan;
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
uptr top = 0;
uptr bottom = 0;
bool request_fast_unwind = common_flags()->fast_unwind_on_fatal;
if (request_fast_unwind)
__sanitizer::GetThreadStackTopAndBottom(false, &top, &bottom);
GET_CURRENT_PC_BP_SP;
(void)sp;
BufferedStackTrace stack;
stack.Unwind(kStackTraceMax, pc, bp, nullptr, top, bottom,
request_fast_unwind);
stack.Print();
}
} // extern "C"
#endif // CAN_SANITIZE_UB