xref: /freebsd/contrib/llvm-project/compiler-rt/lib/tsan/dd/dd_rtl.h (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1 //===-- dd_rtl.h ----------------------------------------------------------===//
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 #ifndef DD_RTL_H
9 #define DD_RTL_H
10 
11 #include "sanitizer_common/sanitizer_internal_defs.h"
12 #include "sanitizer_common/sanitizer_deadlock_detector_interface.h"
13 #include "sanitizer_common/sanitizer_flags.h"
14 #include "sanitizer_common/sanitizer_allocator_internal.h"
15 #include "sanitizer_common/sanitizer_addrhashmap.h"
16 #include "sanitizer_common/sanitizer_mutex.h"
17 
18 namespace __dsan {
19 
20 typedef DDFlags Flags;
21 
22 struct UserMutex {
23   DDMutex dd;
24 };
25 
26 struct Thread {
27   DDPhysicalThread *dd_pt;
28   DDLogicalThread *dd_lt;
29 
30   bool ignore_interceptors;
31 };
32 
33 struct Callback final : public DDCallback {
34   Thread *thr;
35 
36   Callback(Thread *thr);
37   u32 Unwind() override;
38 };
39 
40 typedef AddrHashMap<UserMutex, 31051> MutexHashMap;
41 
42 struct Context {
43   DDetector *dd;
44 
45   Mutex report_mutex;
46   MutexHashMap mutex_map;
47 };
48 
49 inline Flags* flags() {
50   static Flags flags;
51   return &flags;
52 }
53 
54 void Initialize();
55 void InitializeInterceptors();
56 
57 void ThreadInit(Thread *thr);
58 void ThreadDestroy(Thread *thr);
59 
60 void MutexBeforeLock(Thread *thr, uptr m, bool writelock);
61 void MutexAfterLock(Thread *thr, uptr m, bool writelock, bool trylock);
62 void MutexBeforeUnlock(Thread *thr, uptr m, bool writelock);
63 void MutexDestroy(Thread *thr, uptr m);
64 
65 }  // namespace __dsan
66 #endif  // DD_RTL_H
67