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 AlloctorThreadFinish(ThreadState *thr);
24
25 // For user allocations.
26 void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
27 uptr align = kDefaultAlignment);
28 // Does not accept NULL.
29 void user_free(ThreadState *thr, uptr pc, void *p);
30 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
31 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
32 // Given the pointer p into a valid allocated block,
33 // returns the descriptor of the block.
34 MBlock *user_mblock(ThreadState *thr, void *p);
35
36 enum MBlockType {
37 MBlockScopedBuf,
38 MBlockString,
39 MBlockStackTrace,
40 MBlockShadowStack,
41 MBlockSync,
42 MBlockClock,
43 MBlockThreadContex,
44 MBlockDeadInfo,
45 MBlockRacyStacks,
46 MBlockRacyAddresses,
47 MBlockAtExit,
48 MBlockFlag,
49 MBlockReport,
50 MBlockReportMop,
51 MBlockReportThread,
52 MBlockReportMutex,
53 MBlockReportLoc,
54 MBlockReportStack,
55 MBlockSuppression,
56 MBlockExpectRace,
57 MBlockSignal,
58
59 // This must be the last.
60 MBlockTypeCount,
61 };
62
63 // For internal data structures.
64 void *internal_alloc(MBlockType typ, uptr sz);
65 void internal_free(void *p);
66
67 template<typename T>
DestroyAndFree(T * & p)68 void DestroyAndFree(T *&p) {
69 p->~T();
70 internal_free(p);
71 p = 0;
72 }
73
74 } // namespace __tsan
75 #endif // TSAN_MMAN_H
76