56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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//===- SanitizerStats.h - Sanitizer statistics gathering -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Declares functions and data structures for sanitizer statistics gathering.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H
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#define LLVM_TRANSFORMS_UTILS_SANITIZERSTATS_H
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#include "llvm/IR/IRBuilder.h"
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namespace llvm {
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// Number of bits in data that are used for the sanitizer kind. Needs to match
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// __sanitizer::kKindBits in compiler-rt/lib/stats/stats.h
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enum { kSanitizerStatKindBits = 3 };
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enum SanitizerStatKind {
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SanStat_CFI_VCall,
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SanStat_CFI_NVCall,
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SanStat_CFI_DerivedCast,
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SanStat_CFI_UnrelatedCast,
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SanStat_CFI_ICall,
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};
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struct SanitizerStatReport {
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SanitizerStatReport(Module *M);
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/// Generates code into B that increments a location-specific counter tagged
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/// with the given sanitizer kind SK.
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void create(IRBuilder<> &B, SanitizerStatKind SK);
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/// Finalize module stats array and add global constructor to register it.
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void finish();
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private:
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Module *M;
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GlobalVariable *ModuleStatsGV;
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ArrayType *StatTy;
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StructType *EmptyModuleStatsTy;
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std::vector<Constant *> Inits;
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ArrayType *makeModuleStatsArrayTy();
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StructType *makeModuleStatsTy();
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};
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}
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#endif
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