tsan_mman.h revision 360784 
1//===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of ThreadSanitizer (TSan), a race detector.
10//
11//===----------------------------------------------------------------------===//
12#ifndef TSAN_MMAN_H
13#define TSAN_MMAN_H
14
15#include "tsan_defs.h"
16
17namespace __tsan {
18
19const uptr kDefaultAlignment = 16;
20
21void InitializeAllocator();
22void InitializeAllocatorLate();
23void ReplaceSystemMalloc();
24void AllocatorProcStart(Processor *proc);
25void AllocatorProcFinish(Processor *proc);
26void AllocatorPrintStats();
27
28// For user allocations.
29void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz,
30                          uptr align = kDefaultAlignment, bool signal = true);
31// Does not accept NULL.
32void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
33// Interceptor implementations.
34void *user_alloc(ThreadState *thr, uptr pc, uptr sz);
35void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
36void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
37void *user_reallocarray(ThreadState *thr, uptr pc, void *p, uptr sz, uptr n);
38void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz);
39int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align,
40                        uptr sz);
41void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz);
42void *user_valloc(ThreadState *thr, uptr pc, uptr sz);
43void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz);
44uptr user_alloc_usable_size(const void *p);
45
46// Invoking malloc/free hooks that may be installed by the user.
47void invoke_malloc_hook(void *ptr, uptr size);
48void invoke_free_hook(void *ptr);
49
50enum MBlockType {
51  MBlockScopedBuf,
52  MBlockString,
53  MBlockStackTrace,
54  MBlockShadowStack,
55  MBlockSync,
56  MBlockClock,
57  MBlockThreadContex,
58  MBlockDeadInfo,
59  MBlockRacyStacks,
60  MBlockRacyAddresses,
61  MBlockAtExit,
62  MBlockFlag,
63  MBlockReport,
64  MBlockReportMop,
65  MBlockReportThread,
66  MBlockReportMutex,
67  MBlockReportLoc,
68  MBlockReportStack,
69  MBlockSuppression,
70  MBlockExpectRace,
71  MBlockSignal,
72  MBlockJmpBuf,
73
74  // This must be the last.
75  MBlockTypeCount
76};
77
78// For internal data structures.
79void *internal_alloc(MBlockType typ, uptr sz);
80void internal_free(void *p);
81
82template <typename T>
83void DestroyAndFree(T *p) {
84  p->~T();
85  internal_free(p);
86}
87
88}  // namespace __tsan
89#endif  // TSAN_MMAN_H
90