src/compiler-rt/lib/tsan/rtl/tsan_stack_trace.h

   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
  19 namespace __tsan {
  20
  21 // StackTrace which calls malloc/free to allocate the buffer for
  22 // addresses in stack traces.
  23 struct 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  private:
  31   void ResizeBuffer(uptr new_size);
  32
  33   VarSizeStackTrace(const VarSizeStackTrace &);
  34   void operator=(const VarSizeStackTrace &);
  35 };
  36
  37 }  // namespace __tsan
  38
  39 #endif  // TSAN_STACK_TRACE_H