summaryrefslogtreecommitdiff
path: root/libsanitizer/tsan/tsan_mman.h
blob: 8697d228730800d8b5acf2dba77e191c13e09a8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#ifndef TSAN_MMAN_H
#define TSAN_MMAN_H

#include "tsan_defs.h"

namespace __tsan {

const uptr kDefaultAlignment = 16;

void InitializeAllocator();
void AlloctorThreadFinish(ThreadState *thr);

// For user allocations.
void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
                 uptr align = kDefaultAlignment);
// Does not accept NULL.
void user_free(ThreadState *thr, uptr pc, void *p);
void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
// Given the pointer p into a valid allocated block,
// returns the descriptor of the block.
MBlock *user_mblock(ThreadState *thr, void *p);

// Invoking malloc/free hooks that may be installed by the user.
void invoke_malloc_hook(void *ptr, uptr size);
void invoke_free_hook(void *ptr);

enum MBlockType {
  MBlockScopedBuf,
  MBlockString,
  MBlockStackTrace,
  MBlockShadowStack,
  MBlockSync,
  MBlockClock,
  MBlockThreadContex,
  MBlockDeadInfo,
  MBlockRacyStacks,
  MBlockRacyAddresses,
  MBlockAtExit,
  MBlockFlag,
  MBlockReport,
  MBlockReportMop,
  MBlockReportThread,
  MBlockReportMutex,
  MBlockReportLoc,
  MBlockReportStack,
  MBlockSuppression,
  MBlockExpectRace,
  MBlockSignal,
  MBlockFD,

  // This must be the last.
  MBlockTypeCount
};

// For internal data structures.
void *internal_alloc(MBlockType typ, uptr sz);
void internal_free(void *p);

template<typename T>
void DestroyAndFree(T *&p) {
  p->~T();
  internal_free(p);
  p = 0;
}

}  // namespace __tsan
#endif  // TSAN_MMAN_H