Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- SanitizerStats.h - Sanitizer statistics gathering  -------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// Declares functions and data structures for sanitizer statistics gathering.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H

#define LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H

#include "llvm/IR/IRBuilder.h"

namespace llvm {

// Number of bits in data that are used for the sanitizer kind. Needs to match

// __sanitizer::kKindBits in compiler-rt/lib/stats/stats.h

enum { kSanitizerStatKindBits = 3 };

enum SanitizerStatKind {

  SanStat_CFI_VCall,

  SanStat_CFI_NVCall,

  SanStat_CFI_DerivedCast,

  SanStat_CFI_UnrelatedCast,

  SanStat_CFI_ICall,

};

struct SanitizerStatReport {

  SanitizerStatReport(Module *M);

  /// Generates code into B that increments a location-specific counter tagged

  /// with the given sanitizer kind SK.

  void create(IRBuilder<> &B, SanitizerStatKind SK);

  /// Finalize module stats array and add global constructor to register it.

  void finish();

private:

  Module *M;

  GlobalVariable *ModuleStatsGV;

  ArrayType *StatTy;

  StructType *EmptyModuleStatsTy;

  std::vector<Constant *> Inits;

  ArrayType *makeModuleStatsArrayTy();

  StructType *makeModuleStatsTy();

};

}

#endif