compiler-rt/lib/tsan/dd/dd_rtl.h

   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