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
17 namespace __tsan {
18
19 const uptr kDefaultAlignment = 16;
20
21 void InitializeAllocator();
22 void InitializeAllocatorLate();
23 void ReplaceSystemMalloc();
24 void AllocatorProcStart(Processor *proc);
25 void AllocatorProcFinish(Processor *proc);
26 void AllocatorPrintStats();
27
28 // For user allocations.
29 void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz,
30 uptr align = kDefaultAlignment, bool signal = true);
31 // Does not accept NULL.
32 void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true);
33 // Interceptor implementations.
34 void *user_alloc(ThreadState *thr, uptr pc, uptr sz);
35 void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n);
36 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
37 void *user_reallocarray(ThreadState *thr, uptr pc, void *p, uptr sz, uptr n);
38 void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz);
39 int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align,
40 uptr sz);
41 void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz);
42 void *user_valloc(ThreadState *thr, uptr pc, uptr sz);
43 void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz);
44 uptr user_alloc_usable_size(const void *p);
45
46 // Invoking malloc/free hooks that may be installed by the user.
47 void invoke_malloc_hook(void *ptr, uptr size);
48 void invoke_free_hook(void *ptr);
49
50 enum 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.
79 void *internal_alloc(MBlockType typ, uptr sz);
80 void internal_free(void *p);
81
82 template <typename T>
DestroyAndFree(T * p)83 void DestroyAndFree(T *p) {
84 p->~T();
85 internal_free(p);
86 }
87
88 } // namespace __tsan
89 #endif // TSAN_MMAN_H
90