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
17 using namespace __ubsan;
18
UnwindImpl(uptr pc,uptr bp,void * context,bool request_fast,u32 max_depth)19 void __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(false, &top, &bottom);
24 bool fast = StackTrace::WillUseFastUnwind(request_fast);
25 Unwind(max_depth, pc, bp, context, top, bottom, fast);
26 }
27
28 extern "C" {
29 SANITIZER_INTERFACE_ATTRIBUTE
__sanitizer_print_stack_trace()30 void __sanitizer_print_stack_trace() {
31 GET_CURRENT_PC_BP;
32 BufferedStackTrace stack;
33 stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal);
34 stack.Print();
35 }
36 } // extern "C"
37
38 #endif // CAN_SANITIZE_UB
39