1//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
2//
3// This file is distributed under the University of Illinois Open Source
4// License. See LICENSE.TXT for details.
5//
6//===----------------------------------------------------------------------===//
7//
8// This file is a part of ThreadSanitizer (TSan), a race detector.
9//
10//===----------------------------------------------------------------------===//
11#ifndef TSAN_MMAN_H
12#define TSAN_MMAN_H
13
14#include "tsan_defs.h"
15
16namespace __tsan {
17
18const uptr kDefaultAlignment = 16;
19
20void InitializeAllocator();
21void InitializeAllocatorLate();
22void ReplaceSystemMalloc();
23void AllocatorProcStart(Processor *proc);
24void AllocatorProcFinish(Processor *proc);
25void AllocatorPrintStats();
26
27// For user allocations.
28void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz,
29                          uptr align = kDefaultAlignment, bool signal = true);
30// Does not accept NULL.
31void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
32// Interceptor implementations.
33void *user_alloc(ThreadState *thr, uptr pc, uptr sz);
34void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
35void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
36void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz);
37int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align,
38                        uptr sz);
39void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz);
40void *user_valloc(ThreadState *thr, uptr pc, uptr sz);
41void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz);
42uptr user_alloc_usable_size(const void *p);
43
44// Invoking malloc/free hooks that may be installed by the user.
45void invoke_malloc_hook(void *ptr, uptr size);
46void invoke_free_hook(void *ptr);
47
48enum MBlockType {
49  MBlockScopedBuf,
50  MBlockString,
51  MBlockStackTrace,
52  MBlockShadowStack,
53  MBlockSync,
54  MBlockClock,
55  MBlockThreadContex,
56  MBlockDeadInfo,
57  MBlockRacyStacks,
58  MBlockRacyAddresses,
59  MBlockAtExit,
60  MBlockFlag,
61  MBlockReport,
62  MBlockReportMop,
63  MBlockReportThread,
64  MBlockReportMutex,
65  MBlockReportLoc,
66  MBlockReportStack,
67  MBlockSuppression,
68  MBlockExpectRace,
69  MBlockSignal,
70  MBlockJmpBuf,
71
72  // This must be the last.
73  MBlockTypeCount
74};
75
76// For internal data structures.
77void *internal_alloc(MBlockType typ, uptr sz);
78void internal_free(void *p);
79
80template<typename T>
81void DestroyAndFree(T *&p) {
82  p->~T();
83  internal_free(p);
84  p = 0;
85}
86
87}  // namespace __tsan
88#endif  // TSAN_MMAN_H
89