1//===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file is a part of ThreadSanitizer (TSan), a race detector. 11// 12//===----------------------------------------------------------------------===// 13#ifndef TSAN_STACK_TRACE_H 14#define TSAN_STACK_TRACE_H 15 16#include "sanitizer_common/sanitizer_stacktrace.h" 17#include "tsan_defs.h" 18 19namespace __tsan { 20 21// StackTrace which calls malloc/free to allocate the buffer for 22// addresses in stack traces. 23struct VarSizeStackTrace : public StackTrace { 24 uptr *trace_buffer; // Owned. 25 26 VarSizeStackTrace(); 27 ~VarSizeStackTrace(); 28 void Init(const uptr *pcs, uptr cnt, uptr extra_top_pc = 0); 29 30 // Reverses the current stack trace order, the top frame goes to the bottom, 31 // the last frame goes to the top. 32 void ReverseOrder(); 33 34 private: 35 void ResizeBuffer(uptr new_size); 36 37 VarSizeStackTrace(const VarSizeStackTrace &); 38 void operator=(const VarSizeStackTrace &); 39}; 40 41} // namespace __tsan 42 43#endif // TSAN_STACK_TRACE_H 44