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 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 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