1 //===-- tsan_mman.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_MMAN_H 14 #define TSAN_MMAN_H 15 16 #include "tsan_defs.h" 17 18 namespace __tsan { 19 20 const uptr kDefaultAlignment = 16; 21 22 void InitializeAllocator(); 23 void InitializeAllocatorLate(); 24 void ReplaceSystemMalloc(); 25 void AllocatorProcStart(Processor *proc); 26 void AllocatorProcFinish(Processor *proc); 27 void AllocatorPrintStats(); 28 29 // For user allocations. 30 void *user_alloc(ThreadState *thr, uptr pc, uptr sz, 31 uptr align = kDefaultAlignment, bool signal = true); 32 void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n); 33 // Does not accept NULL. 34 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true); 35 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz); 36 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align); 37 uptr user_alloc_usable_size(const void *p); 38 39 // Invoking malloc/free hooks that may be installed by the user. 40 void invoke_malloc_hook(void *ptr, uptr size); 41 void invoke_free_hook(void *ptr); 42 43 enum MBlockType { 44 MBlockScopedBuf, 45 MBlockString, 46 MBlockStackTrace, 47 MBlockShadowStack, 48 MBlockSync, 49 MBlockClock, 50 MBlockThreadContex, 51 MBlockDeadInfo, 52 MBlockRacyStacks, 53 MBlockRacyAddresses, 54 MBlockAtExit, 55 MBlockFlag, 56 MBlockReport, 57 MBlockReportMop, 58 MBlockReportThread, 59 MBlockReportMutex, 60 MBlockReportLoc, 61 MBlockReportStack, 62 MBlockSuppression, 63 MBlockExpectRace, 64 MBlockSignal, 65 MBlockJmpBuf, 66 67 // This must be the last. 68 MBlockTypeCount 69 }; 70 71 // For internal data structures. 72 void *internal_alloc(MBlockType typ, uptr sz); 73 void internal_free(void *p); 74 75 template<typename T> 76 void DestroyAndFree(T *&p) { 77 p->~T(); 78 internal_free(p); 79 p = 0; 80 } 81 82 } // namespace __tsan 83 #endif // TSAN_MMAN_H 84
