1//===-- BPFTargetMachine.h - Define TargetMachine for BPF --- C++ ---===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file declares the BPF specific subclass of TargetMachine. 10// 11//===----------------------------------------------------------------------===// 12 13#ifndef LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H 14#define LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H 15 16#include "BPFSubtarget.h" 17#include "llvm/Target/TargetMachine.h" 18 19namespace llvm { 20class BPFTargetMachine : public LLVMTargetMachine { 21 std::unique_ptr<TargetLoweringObjectFile> TLOF; 22 BPFSubtarget Subtarget; 23 24public: 25 BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 26 StringRef FS, const TargetOptions &Options, 27 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, 28 CodeGenOpt::Level OL, bool JIT); 29 30 const BPFSubtarget *getSubtargetImpl() const { return &Subtarget; } 31 const BPFSubtarget *getSubtargetImpl(const Function &) const override { 32 return &Subtarget; 33 } 34 35 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 36 37 TargetLoweringObjectFile *getObjFileLowering() const override { 38 return TLOF.get(); 39 } 40}; 41} 42 43#endif 44