lib/sanitizer_common/sanitizer_stackdepot.h

   1 //===-- sanitizer_stackdepot.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 shared between AddressSanitizer and ThreadSanitizer
  11 // run-time libraries.
  12 //===----------------------------------------------------------------------===//
  13 #ifndef SANITIZER_STACKDEPOT_H
  14 #define SANITIZER_STACKDEPOT_H
  15
  16 #include "sanitizer_internal_defs.h"
  17
  18 namespace __sanitizer {
  19
  20 // StackDepot efficiently stores huge amounts of stack traces.
  21
  22 // Maps stack trace to an unique id.
  23 u32 StackDepotPut(const uptr *stack, uptr size);
  24 // Retrieves a stored stack trace by the id.
  25 const uptr *StackDepotGet(u32 id, uptr *size);
  26
  27 struct StackDepotStats {
  28   uptr n_uniq_ids;
  29   uptr mapped;
  30 };
  31
  32 StackDepotStats *StackDepotGetStats();
  33
  34 }  // namespace __sanitizer
  35
  36 #endif  // SANITIZER_STACKDEPOT_H