LCOV - code coverage report
Current view: top level - include/llvm/Transforms/Utils - SanitizerStats.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 1 1 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- SanitizerStats.h - Sanitizer statistics gathering  -------*- 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             : // Declares functions and data structures for sanitizer statistics gathering.
      11             : //
      12             : //===----------------------------------------------------------------------===//
      13             : 
      14             : #ifndef LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H
      15             : #define LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H
      16             : 
      17             : #include "llvm/IR/IRBuilder.h"
      18             : 
      19             : namespace llvm {
      20             : 
      21             : // Number of bits in data that are used for the sanitizer kind. Needs to match
      22             : // __sanitizer::kKindBits in compiler-rt/lib/stats/stats.h
      23             : enum { kSanitizerStatKindBits = 3 };
      24             : 
      25             : enum SanitizerStatKind {
      26             :   SanStat_CFI_VCall,
      27             :   SanStat_CFI_NVCall,
      28             :   SanStat_CFI_DerivedCast,
      29             :   SanStat_CFI_UnrelatedCast,
      30             :   SanStat_CFI_ICall,
      31             : };
      32             : 
      33           4 : struct SanitizerStatReport {
      34             :   SanitizerStatReport(Module *M);
      35             : 
      36             :   /// Generates code into B that increments a location-specific counter tagged
      37             :   /// with the given sanitizer kind SK.
      38             :   void create(IRBuilder<> &B, SanitizerStatKind SK);
      39             : 
      40             :   /// Finalize module stats array and add global constructor to register it.
      41             :   void finish();
      42             : 
      43             : private:
      44             :   Module *M;
      45             :   GlobalVariable *ModuleStatsGV;
      46             :   ArrayType *StatTy;
      47             :   StructType *EmptyModuleStatsTy;
      48             : 
      49             :   std::vector<Constant *> Inits;
      50             :   ArrayType *makeModuleStatsArrayTy();
      51             :   StructType *makeModuleStatsTy();
      52             : };
      53             : 
      54             : }
      55             : 
      56             : #endif

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