1//===-- ubsan_diag_standalone.cpp -----------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Diagnostic reporting for the standalone UBSan runtime.
10//
11//===----------------------------------------------------------------------===//
12
13#include "ubsan_platform.h"
14#if CAN_SANITIZE_UB
15#include "ubsan_diag.h"
16
17using namespace __ubsan;
18
19void __sanitizer::BufferedStackTrace::UnwindImpl(
20 uptr pc, uptr bp, void *context, bool request_fast, u32 max_depth) {
21 uptr top = 0;
22 uptr bottom = 0;
23 GetThreadStackTopAndBottom(at_initialization: false, stack_top: &top, stack_bottom: &bottom);
24 bool fast = StackTrace::WillUseFastUnwind(request_fast_unwind: request_fast);
25 Unwind(max_depth, pc, bp, context, stack_top: top, stack_bottom: bottom, request_fast_unwind: fast);
26}
27
28extern "C" {
29SANITIZER_INTERFACE_ATTRIBUTE
30void __sanitizer_print_stack_trace() {
31 GET_CURRENT_PC_BP;
32 BufferedStackTrace stack;
33 stack.Unwind(pc, bp, context: nullptr, request_fast: common_flags()->fast_unwind_on_fatal);
34 stack.Print();
35}
36} // extern "C"
37
38#endif // CAN_SANITIZE_UB
39