reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
//===-- 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