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File indexing completed on 2026-05-10 08:44:45
0001 //===-- CFGuard.h - CFGuard Transformations ---------------------*- C++ -*-===// 0002 // 0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 0004 // See https://llvm.org/LICENSE.txt for license information. 0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 0006 // 0007 //===---------------------------------------------------------------------===// 0008 // Windows Control Flow Guard passes (/guard:cf). 0009 //===---------------------------------------------------------------------===// 0010 0011 #ifndef LLVM_TRANSFORMS_CFGUARD_H 0012 #define LLVM_TRANSFORMS_CFGUARD_H 0013 0014 #include "llvm/IR/PassManager.h" 0015 0016 namespace llvm { 0017 0018 class FunctionPass; 0019 0020 class CFGuardPass : public PassInfoMixin<CFGuardPass> { 0021 public: 0022 enum class Mechanism { Check, Dispatch }; 0023 0024 CFGuardPass(Mechanism M = Mechanism::Check) : GuardMechanism(M) {} 0025 PreservedAnalyses run(Function &F, FunctionAnalysisManager &FAM); 0026 0027 private: 0028 Mechanism GuardMechanism; 0029 }; 0030 0031 /// Insert Control FLow Guard checks on indirect function calls. 0032 FunctionPass *createCFGuardCheckPass(); 0033 0034 /// Insert Control FLow Guard dispatches on indirect function calls. 0035 FunctionPass *createCFGuardDispatchPass(); 0036 0037 } // namespace llvm 0038 0039 #endif
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