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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 "tsan_defs.h"
     17 #include "tsan_vector.h"
     18 
     19 namespace __tsan {
     20 
     21 enum ReportType {
     22   ReportTypeRace,
     23   ReportTypeVptrRace,
     24   ReportTypeUseAfterFree,
     25   ReportTypeThreadLeak,
     26   ReportTypeMutexDestroyLocked,
     27   ReportTypeSignalUnsafe,
     28   ReportTypeErrnoInSignal
     29 };
     30 
     31 struct ReportStack {
     32   ReportStack *next;
     33   char *module;
     34   uptr offset;
     35   uptr pc;
     36   char *func;
     37   char *file;
     38   int line;
     39   int col;
     40 };
     41 
     42 struct ReportMopMutex {
     43   u64 id;
     44   bool write;
     45 };
     46 
     47 struct ReportMop {
     48   int tid;
     49   uptr addr;
     50   int size;
     51   bool write;
     52   bool atomic;
     53   Vector<ReportMopMutex> mset;
     54   ReportStack *stack;
     55 
     56   ReportMop();
     57 };
     58 
     59 enum ReportLocationType {
     60   ReportLocationGlobal,
     61   ReportLocationHeap,
     62   ReportLocationStack,
     63   ReportLocationTLS,
     64   ReportLocationFD
     65 };
     66 
     67 struct ReportLocation {
     68   ReportLocationType type;
     69   uptr addr;
     70   uptr size;
     71   char *module;
     72   uptr offset;
     73   int tid;
     74   int fd;
     75   char *name;
     76   char *file;
     77   int line;
     78   ReportStack *stack;
     79 };
     80 
     81 struct ReportThread {
     82   int id;
     83   uptr pid;
     84   bool running;
     85   char *name;
     86   int parent_tid;
     87   ReportStack *stack;
     88 };
     89 
     90 struct ReportMutex {
     91   u64 id;
     92   bool destroyed;
     93   ReportStack *stack;
     94 };
     95 
     96 class ReportDesc {
     97  public:
     98   ReportType typ;
     99   Vector<ReportStack*> stacks;
    100   Vector<ReportMop*> mops;
    101   Vector<ReportLocation*> locs;
    102   Vector<ReportMutex*> mutexes;
    103   Vector<ReportThread*> threads;
    104   ReportStack *sleep;
    105   int count;
    106 
    107   ReportDesc();
    108   ~ReportDesc();
    109 
    110  private:
    111   ReportDesc(const ReportDesc&);
    112   void operator = (const ReportDesc&);
    113 };
    114 
    115 // Format and output the report to the console/log. No additional logic.
    116 void PrintReport(const ReportDesc *rep);
    117 void PrintStack(const ReportStack *stack);
    118 
    119 }  // namespace __tsan
    120 
    121 #endif  // TSAN_REPORT_H
    122