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 AllocatorThreadStart(ThreadState *thr); 24 void AllocatorThreadFinish(ThreadState *thr); 25 void AllocatorPrintStats(); 26 27 // For user allocations. 28 void *user_alloc(ThreadState *thr, uptr pc, uptr sz, 29 uptr align = kDefaultAlignment); 30 // Does not accept NULL. 31 void user_free(ThreadState *thr, uptr pc, void *p); 32 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz); 33 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align); 34 uptr user_alloc_usable_size(ThreadState *thr, uptr pc, void *p); 35 // Given the pointer p into a valid allocated block, 36 // returns the descriptor of the block. 37 MBlock *user_mblock(ThreadState *thr, 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 MBlockFD, 66 MBlockJmpBuf, 67 68 // This must be the last. 69 MBlockTypeCount 70 }; 71 72 // For internal data structures. 73 void *internal_alloc(MBlockType typ, uptr sz); 74 void internal_free(void *p); 75 76 template<typename T> 77 void DestroyAndFree(T *&p) { 78 p->~T(); 79 internal_free(p); 80 p = 0; 81 } 82 83 } // namespace __tsan 84 #endif // TSAN_MMAN_H 85
