38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//===--- rtsan_stack.cpp - Realtime Sanitizer -------------------*- C++ -*-===//
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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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//===----------------------------------------------------------------------===//
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#include "rtsan_stack.h"
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#include <sanitizer_common/sanitizer_flags.h>
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#include <sanitizer_common/sanitizer_stacktrace.h>
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using namespace __sanitizer;
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using namespace __rtsan;
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// We must define our own implementation of this method for our runtime.
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// This one is just copied from UBSan.
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namespace __sanitizer {
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void BufferedStackTrace::UnwindImpl(uptr pc, uptr bp, void *context,
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bool request_fast, u32 max_depth) {
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uptr top = 0;
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uptr bottom = 0;
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GetThreadStackTopAndBottom(false, &top, &bottom);
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bool fast = StackTrace::WillUseFastUnwind(request_fast);
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Unwind(max_depth, pc, bp, context, top, bottom, fast);
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}
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} // namespace __sanitizer
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void __rtsan::PrintStackTrace(uptr pc, uptr bp) {
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BufferedStackTrace stack{};
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stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal);
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stack.Print();
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}
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