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 if (StackTrace::WillUseFastUnwind(request_fast)) { 24 GetThreadStackTopAndBottom(false, &top, &bottom); 25 Unwind(max_depth, pc, bp, nullptr, top, bottom, true); 26 } else 27 Unwind(max_depth, pc, bp, context, 0, 0, false); 28} 29 30extern "C" { 31SANITIZER_INTERFACE_ATTRIBUTE 32void __sanitizer_print_stack_trace() { 33 GET_CURRENT_PC_BP; 34 BufferedStackTrace stack; 35 stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal); 36 stack.Print(); 37} 38} // extern "C" 39 40#endif // CAN_SANITIZE_UB 41