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, bool signal = true); 30 void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n); 31 // Does not accept NULL. 32 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true); 33 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz); 34 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align); 35 uptr user_alloc_usable_size(const 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 MBlockJmpBuf, 64 65 // This must be the last. 66 MBlockTypeCount 67 }; 68 69 // For internal data structures. 70 void *internal_alloc(MBlockType typ, uptr sz); 71 void internal_free(void *p); 72 73 template<typename T> 74 void DestroyAndFree(T *&p) { 75 p->~T(); 76 internal_free(p); 77 p = 0; 78 } 79 80 } // namespace __tsan 81 #endif // TSAN_MMAN_H 82
