15ef59e75Smrg //===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===// 25ef59e75Smrg // 3*490215a3Smrg // This file is distributed under the University of Illinois Open Source 4*490215a3Smrg // License. See LICENSE.TXT for details. 55ef59e75Smrg // 65ef59e75Smrg //===----------------------------------------------------------------------===// 75ef59e75Smrg // 85ef59e75Smrg // This file is a part of ThreadSanitizer (TSan), a race detector. 95ef59e75Smrg // 105ef59e75Smrg //===----------------------------------------------------------------------===// 115ef59e75Smrg #ifndef TSAN_STACK_TRACE_H 125ef59e75Smrg #define TSAN_STACK_TRACE_H 135ef59e75Smrg 145ef59e75Smrg #include "sanitizer_common/sanitizer_stacktrace.h" 155ef59e75Smrg #include "tsan_defs.h" 165ef59e75Smrg 175ef59e75Smrg namespace __tsan { 185ef59e75Smrg 195ef59e75Smrg // StackTrace which calls malloc/free to allocate the buffer for 205ef59e75Smrg // addresses in stack traces. 215ef59e75Smrg struct VarSizeStackTrace : public StackTrace { 225ef59e75Smrg uptr *trace_buffer; // Owned. 235ef59e75Smrg 245ef59e75Smrg VarSizeStackTrace(); 255ef59e75Smrg ~VarSizeStackTrace(); 265ef59e75Smrg void Init(const uptr *pcs, uptr cnt, uptr extra_top_pc = 0); 275ef59e75Smrg 2881418a27Smrg // Reverses the current stack trace order, the top frame goes to the bottom, 2981418a27Smrg // the last frame goes to the top. 3081418a27Smrg void ReverseOrder(); 3181418a27Smrg 325ef59e75Smrg private: 335ef59e75Smrg void ResizeBuffer(uptr new_size); 345ef59e75Smrg 355ef59e75Smrg VarSizeStackTrace(const VarSizeStackTrace &); 365ef59e75Smrg void operator=(const VarSizeStackTrace &); 375ef59e75Smrg }; 385ef59e75Smrg 395ef59e75Smrg } // namespace __tsan 405ef59e75Smrg 415ef59e75Smrg #endif // TSAN_STACK_TRACE_H 42