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

   1 //===-- dd_rtl.h ----------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 #ifndef DD_RTL_H
  10 #define DD_RTL_H
  11
  12 #include "sanitizer_common/sanitizer_internal_defs.h"
  13 #include "sanitizer_common/sanitizer_deadlock_detector_interface.h"
  14 #include "sanitizer_common/sanitizer_flags.h"
  15 #include "sanitizer_common/sanitizer_allocator_internal.h"
  16 #include "sanitizer_common/sanitizer_addrhashmap.h"
  17 #include "sanitizer_common/sanitizer_mutex.h"
  18
  19 namespace __dsan {
  20
  21 typedef DDFlags Flags;
  22
  23 struct Mutex {
  24   DDMutex dd;
  25 };
  26
  27 struct Thread {
  28   DDPhysicalThread *dd_pt;
  29   DDLogicalThread *dd_lt;
  30
  31   bool ignore_interceptors;
  32 };
  33
  34 struct Callback : DDCallback {
  35   Thread *thr;
  36
  37   Callback(Thread *thr);
  38   u32 Unwind() override;
  39 };
  40
  41 typedef AddrHashMap<Mutex, 31051> MutexHashMap;
  42
  43 struct Context {
  44   DDetector *dd;
  45
  46   BlockingMutex report_mutex;
  47   MutexHashMap mutex_map;
  48 };
  49
  50 inline Flags* flags() {
  51   static Flags flags;
  52   return &flags;
  53 }
  54
  55 void Initialize();
  56 void InitializeInterceptors();
  57
  58 void ThreadInit(Thread *thr);
  59 void ThreadDestroy(Thread *thr);
  60
  61 void MutexBeforeLock(Thread *thr, uptr m, bool writelock);
  62 void MutexAfterLock(Thread *thr, uptr m, bool writelock, bool trylock);
  63 void MutexBeforeUnlock(Thread *thr, uptr m, bool writelock);
  64 void MutexDestroy(Thread *thr, uptr m);
  65
  66 }  // namespace __dsan
  67 #endif  // DD_RTL_H