libsanitizer/tsan/tsan_mman.h

   1 //===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of ThreadSanitizer (TSan), a race detector.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #ifndef TSAN_MMAN_H
  12 #define TSAN_MMAN_H
  13
  14 #include "tsan_defs.h"
  15
  16 namespace __tsan {
  17
  18 const uptr kDefaultAlignment = 16;
  19
  20 void InitializeAllocator();
  21 void AllocatorThreadStart(ThreadState *thr);
  22 void AllocatorThreadFinish(ThreadState *thr);
  23 void AllocatorPrintStats();
  24
  25 // For user allocations.
  26 void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
  27                  uptr align = kDefaultAlignment);
  28 // Does not accept NULL.
  29 void user_free(ThreadState *thr, uptr pc, void *p);
  30 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
  31 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
  32 uptr user_alloc_usable_size(ThreadState *thr, uptr pc, void *p);
  33 // Given the pointer p into a valid allocated block,
  34 // returns the descriptor of the block.
  35 MBlock *user_mblock(ThreadState *thr, void *p);
  36
  37 // Invoking malloc/free hooks that may be installed by the user.
  38 void invoke_malloc_hook(void *ptr, uptr size);
  39 void invoke_free_hook(void *ptr);
  40
  41 enum MBlockType {
  42   MBlockScopedBuf,
  43   MBlockString,
  44   MBlockStackTrace,
  45   MBlockShadowStack,
  46   MBlockSync,
  47   MBlockClock,
  48   MBlockThreadContex,
  49   MBlockDeadInfo,
  50   MBlockRacyStacks,
  51   MBlockRacyAddresses,
  52   MBlockAtExit,
  53   MBlockFlag,
  54   MBlockReport,
  55   MBlockReportMop,
  56   MBlockReportThread,
  57   MBlockReportMutex,
  58   MBlockReportLoc,
  59   MBlockReportStack,
  60   MBlockSuppression,
  61   MBlockExpectRace,
  62   MBlockSignal,
  63   MBlockFD,
  64   MBlockJmpBuf,
  65
  66   // This must be the last.
  67   MBlockTypeCount
  68 };
  69
  70 // For internal data structures.
  71 void *internal_alloc(MBlockType typ, uptr sz);
  72 void internal_free(void *p);
  73
  74 template<typename T>
  75 void DestroyAndFree(T *&p) {
  76   p->~T();
  77   internal_free(p);
  78   p = 0;
  79 }
  80
  81 }  // namespace __tsan
  82 #endif  // TSAN_MMAN_H