gcc/libsanitizer/ubsan/ubsan_diag_standalone.cpp
H.J. Lu 90e46074e6 libsanitizer: Merge with upstream
Merged revision: 7704fedfff6ef5676adb6415f3be0ac927d1a746
2021-07-20 14:21:51 -07:00

39 lines
1.2 KiB
C++

//===-- ubsan_diag_standalone.cpp -----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Diagnostic reporting for the standalone UBSan runtime.
//
//===----------------------------------------------------------------------===//
#include "ubsan_platform.h"
#if CAN_SANITIZE_UB
#include "ubsan_diag.h"
using namespace __ubsan;
void __sanitizer::BufferedStackTrace::UnwindImpl(
uptr pc, uptr bp, void *context, bool request_fast, u32 max_depth) {
uptr top = 0;
uptr bottom = 0;
GetThreadStackTopAndBottom(false, &top, &bottom);
bool fast = StackTrace::WillUseFastUnwind(request_fast);
Unwind(max_depth, pc, bp, context, top, bottom, fast);
}
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
GET_CURRENT_PC_BP;
BufferedStackTrace stack;
stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal);
stack.Print();
}
} // extern "C"
#endif // CAN_SANITIZE_UB