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      1 //===-- tsan_report.h -------------------------------------------*- C++ -*-===//
      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 //
     10 // This file is a part of ThreadSanitizer (TSan), a race detector.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 #ifndef TSAN_REPORT_H
     14 #define TSAN_REPORT_H
     15 
     16 #include "sanitizer_common/sanitizer_symbolizer.h"
     17 #include "tsan_defs.h"
     18 #include "tsan_vector.h"
     19 
     20 namespace __tsan {
     21 
     22 enum ReportType {
     23   ReportTypeRace,
     24   ReportTypeVptrRace,
     25   ReportTypeUseAfterFree,
     26   ReportTypeVptrUseAfterFree,
     27   ReportTypeThreadLeak,
     28   ReportTypeMutexDestroyLocked,
     29   ReportTypeMutexDoubleLock,
     30   ReportTypeMutexBadUnlock,
     31   ReportTypeMutexBadReadLock,
     32   ReportTypeMutexBadReadUnlock,
     33   ReportTypeSignalUnsafe,
     34   ReportTypeErrnoInSignal,
     35   ReportTypeDeadlock
     36 };
     37 
     38 struct ReportStack {
     39   SymbolizedStack *frames;
     40   bool suppressable;
     41   static ReportStack *New();
     42 
     43  private:
     44   ReportStack();
     45 };
     46 
     47 struct ReportMopMutex {
     48   u64 id;
     49   bool write;
     50 };
     51 
     52 struct ReportMop {
     53   int tid;
     54   uptr addr;
     55   int size;
     56   bool write;
     57   bool atomic;
     58   Vector<ReportMopMutex> mset;
     59   ReportStack *stack;
     60 
     61   ReportMop();
     62 };
     63 
     64 enum ReportLocationType {
     65   ReportLocationGlobal,
     66   ReportLocationHeap,
     67   ReportLocationStack,
     68   ReportLocationTLS,
     69   ReportLocationFD
     70 };
     71 
     72 struct ReportLocation {
     73   ReportLocationType type;
     74   DataInfo global;
     75   uptr heap_chunk_start;
     76   uptr heap_chunk_size;
     77   int tid;
     78   int fd;
     79   bool suppressable;
     80   ReportStack *stack;
     81 
     82   static ReportLocation *New(ReportLocationType type);
     83  private:
     84   explicit ReportLocation(ReportLocationType type);
     85 };
     86 
     87 struct ReportThread {
     88   int id;
     89   uptr pid;
     90   bool running;
     91   char *name;
     92   int parent_tid;
     93   ReportStack *stack;
     94 };
     95 
     96 struct ReportMutex {
     97   u64 id;
     98   uptr addr;
     99   bool destroyed;
    100   ReportStack *stack;
    101 };
    102 
    103 class ReportDesc {
    104  public:
    105   ReportType typ;
    106   Vector<ReportStack*> stacks;
    107   Vector<ReportMop*> mops;
    108   Vector<ReportLocation*> locs;
    109   Vector<ReportMutex*> mutexes;
    110   Vector<ReportThread*> threads;
    111   Vector<int> unique_tids;
    112   ReportStack *sleep;
    113   int count;
    114 
    115   ReportDesc();
    116   ~ReportDesc();
    117 
    118  private:
    119   ReportDesc(const ReportDesc&);
    120   void operator = (const ReportDesc&);
    121 };
    122 
    123 // Format and output the report to the console/log. No additional logic.
    124 void PrintReport(const ReportDesc *rep);
    125 void PrintStack(const ReportStack *stack);
    126 
    127 }  // namespace __tsan
    128 
    129 #endif  // TSAN_REPORT_H
    130