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 InitializeAllocatorLate();
  22 void ReplaceSystemMalloc();
  23 void AllocatorProcStart(Processor *proc);
  24 void AllocatorProcFinish(Processor *proc);
  25 void AllocatorPrintStats();
  26
  27 // For user allocations.
  28 void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz,
  29                           uptr align = kDefaultAlignment, bool signal = true);
  30 // Does not accept NULL.
  31 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
  32 // Interceptor implementations.
  33 void *user_alloc(ThreadState *thr, uptr pc, uptr sz);
  34 void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
  35 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
  36 void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz);
  37 int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align,
  38                         uptr sz);
  39 void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz);
  40 void *user_valloc(ThreadState *thr, uptr pc, uptr sz);
  41 void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz);
  42 uptr user_alloc_usable_size(const void *p);
  43
  44 // Invoking malloc/free hooks that may be installed by the user.
  45 void invoke_malloc_hook(void *ptr, uptr size);
  46 void invoke_free_hook(void *ptr);
  47
  48 enum MBlockType {
  49   MBlockScopedBuf,
  50   MBlockString,
  51   MBlockStackTrace,
  52   MBlockShadowStack,
  53   MBlockSync,
  54   MBlockClock,
  55   MBlockThreadContex,
  56   MBlockDeadInfo,
  57   MBlockRacyStacks,
  58   MBlockRacyAddresses,
  59   MBlockAtExit,
  60   MBlockFlag,
  61   MBlockReport,
  62   MBlockReportMop,
  63   MBlockReportThread,
  64   MBlockReportMutex,
  65   MBlockReportLoc,
  66   MBlockReportStack,
  67   MBlockSuppression,
  68   MBlockExpectRace,
  69   MBlockSignal,
  70   MBlockJmpBuf,
  71
  72   // This must be the last.
  73   MBlockTypeCount
  74 };
  75
  76 // For internal data structures.
  77 void *internal_alloc(MBlockType typ, uptr sz);
  78 void internal_free(void *p);
  79
  80 template<typename T>
  81 void DestroyAndFree(T *&p) {
  82   p->~T();
  83   internal_free(p);
  84   p = 0;
  85 }
  86
  87 }  // namespace __tsan
  88 #endif  // TSAN_MMAN_H