libsanitizer/tsan/tsan_mman.h

   1 //===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of ThreadSanitizer (TSan), a race detector.
  10 //
  11 //===----------------------------------------------------------------------===//
  12 #ifndef TSAN_MMAN_H
  13 #define TSAN_MMAN_H
  14
  15 #include "tsan_defs.h"
  16
  17 namespace __tsan {
  18
  19 const uptr kDefaultAlignment = 16;
  20
  21 void InitializeAllocator();
  22 void InitializeAllocatorLate();
  23 void ReplaceSystemMalloc();
  24 void AllocatorProcStart(Processor *proc);
  25 void AllocatorProcFinish(Processor *proc);
  26 void AllocatorPrintStats();
  27
  28 // For user allocations.
  29 void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz,
  30                           uptr align = kDefaultAlignment, bool signal = true);
  31 // Does not accept NULL.
  32 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
  33 // Interceptor implementations.
  34 void *user_alloc(ThreadState *thr, uptr pc, uptr sz);
  35 void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
  36 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
  37 void *user_reallocarray(ThreadState *thr, uptr pc, void *p, uptr sz, uptr n);
  38 void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz);
  39 int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align,
  40                         uptr sz);
  41 void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz);
  42 void *user_valloc(ThreadState *thr, uptr pc, uptr sz);
  43 void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz);
  44 uptr user_alloc_usable_size(const void *p);
  45
  46 // Invoking malloc/free hooks that may be installed by the user.
  47 void invoke_malloc_hook(void *ptr, uptr size);
  48 void invoke_free_hook(void *ptr);
  49
  50 enum MBlockType {
  51   MBlockScopedBuf,
  52   MBlockString,
  53   MBlockStackTrace,
  54   MBlockShadowStack,
  55   MBlockSync,
  56   MBlockClock,
  57   MBlockThreadContex,
  58   MBlockDeadInfo,
  59   MBlockRacyStacks,
  60   MBlockRacyAddresses,
  61   MBlockAtExit,
  62   MBlockFlag,
  63   MBlockReport,
  64   MBlockReportMop,
  65   MBlockReportThread,
  66   MBlockReportMutex,
  67   MBlockReportLoc,
  68   MBlockReportStack,
  69   MBlockSuppression,
  70   MBlockExpectRace,
  71   MBlockSignal,
  72   MBlockJmpBuf,
  73
  74   // This must be the last.
  75   MBlockTypeCount
  76 };
  77
  78 // For internal data structures.
  79 void *internal_alloc(MBlockType typ, uptr sz);
  80 void internal_free(void *p);
  81
  82 template <typename T>
  83 void DestroyAndFree(T *p) {
  84   p->~T();
  85   internal_free(p);
  86 }
  87
  88 }  // namespace __tsan
  89 #endif  // TSAN_MMAN_H