38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
//===-- ubsan_diag_standalone.cc ------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Diagnostic reporting for the standalone UBSan runtime.
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//
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//===----------------------------------------------------------------------===//
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#include "ubsan_platform.h"
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#if CAN_SANITIZE_UB
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#include "ubsan_diag.h"
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using namespace __ubsan;
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extern "C" {
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SANITIZER_INTERFACE_ATTRIBUTE
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void __sanitizer_print_stack_trace() {
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uptr top = 0;
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uptr bottom = 0;
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bool request_fast_unwind = common_flags()->fast_unwind_on_fatal;
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if (request_fast_unwind)
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__sanitizer::GetThreadStackTopAndBottom(false, &top, &bottom);
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GET_CURRENT_PC_BP_SP;
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(void)sp;
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BufferedStackTrace stack;
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stack.Unwind(kStackTraceMax, pc, bp, nullptr, top, bottom,
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request_fast_unwind);
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stack.Print();
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}
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} // extern "C"
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#endif // CAN_SANITIZE_UB
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