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1//===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===//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-exception6//7//===----------------------------------------------------------------------===//8//9// This file is a part of ThreadSanitizer (TSan), a race detector.10//11//===----------------------------------------------------------------------===//12#ifndef TSAN_STACK_TRACE_H13#define TSAN_STACK_TRACE_H14 15#include "sanitizer_common/sanitizer_stacktrace.h"16#include "tsan_defs.h"17 18namespace __tsan {19 20// StackTrace which calls malloc/free to allocate the buffer for21// addresses in stack traces.22struct VarSizeStackTrace : public StackTrace {23 uptr *trace_buffer; // Owned.24 25 VarSizeStackTrace();26 ~VarSizeStackTrace();27 void Init(const uptr *pcs, uptr cnt, uptr extra_top_pc = 0);28 29 // Reverses the current stack trace order, the top frame goes to the bottom,30 // the last frame goes to the top.31 void ReverseOrder();32 33 private:34 void ResizeBuffer(uptr new_size);35 36 VarSizeStackTrace(const VarSizeStackTrace &);37 void operator=(const VarSizeStackTrace &);38};39 40} // namespace __tsan41 42#endif // TSAN_STACK_TRACE_H43