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