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//===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#ifndef TSAN_STACK_TRACE_H
#define TSAN_STACK_TRACE_H
#include "sanitizer_common/sanitizer_stacktrace.h"
#include "tsan_defs.h"
namespace __tsan {
// StackTrace which calls malloc/free to allocate the buffer for
// addresses in stack traces.
struct VarSizeStackTrace : public StackTrace {
uptr *trace_buffer; // Owned.
VarSizeStackTrace();
~VarSizeStackTrace();
void Init(const uptr *pcs, uptr cnt, uptr extra_top_pc = 0);
// Reverses the current stack trace order, the top frame goes to the bottom,
// the last frame goes to the top.
void ReverseOrder();
private:
void ResizeBuffer(uptr new_size);
VarSizeStackTrace(const VarSizeStackTrace &);
void operator=(const VarSizeStackTrace &);
};
} // namespace __tsan
#endif // TSAN_STACK_TRACE_H
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