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87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
//===-- lib/CodeGen/ELFCodeEmitter.h ----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef ELFCODEEMITTER_H
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#define ELFCODEEMITTER_H
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#include "ELFWriter.h"
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#include "llvm/CodeGen/MachineCodeEmitter.h"
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#include <vector>
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namespace llvm {
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/// ELFCodeEmitter - This class is used by the ELFWriter to
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/// emit the code for functions to the ELF file.
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class ELFCodeEmitter : public MachineCodeEmitter {
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ELFWriter &EW;
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TargetMachine &TM;
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ELFSection *ES; // Section to write to.
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uint8_t *FnStartPtr;
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public:
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explicit ELFCodeEmitter(ELFWriter &ew) : EW(ew), TM(EW.TM) {}
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void startFunction(MachineFunction &F);
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bool finishFunction(MachineFunction &F);
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void addRelocation(const MachineRelocation &MR) {
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assert(0 && "relo not handled yet!");
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}
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virtual void StartMachineBasicBlock(MachineBasicBlock *MBB) {
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}
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virtual uintptr_t getConstantPoolEntryAddress(unsigned Index) const {
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assert(0 && "CP not implementated yet!");
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return 0;
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}
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virtual uintptr_t getJumpTableEntryAddress(unsigned Index) const {
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assert(0 && "JT not implementated yet!");
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return 0;
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}
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virtual uintptr_t getMachineBasicBlockAddress(MachineBasicBlock *MBB) const {
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assert(0 && "JT not implementated yet!");
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return 0;
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}
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virtual uintptr_t getLabelAddress(uint64_t Label) const {
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assert(0 && "Label address not implementated yet!");
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abort();
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return 0;
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}
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virtual void emitLabel(uint64_t LabelID) {
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assert(0 && "emit Label not implementated yet!");
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abort();
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}
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virtual void setModuleInfo(llvm::MachineModuleInfo* MMI) { }
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/// JIT SPECIFIC FUNCTIONS - DO NOT IMPLEMENT THESE HERE!
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void startGVStub(const GlobalValue* F, unsigned StubSize,
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unsigned Alignment = 1) {
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assert(0 && "JIT specific function called!");
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abort();
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}
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void startGVStub(const GlobalValue* F, void *Buffer, unsigned StubSize) {
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assert(0 && "JIT specific function called!");
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abort();
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}
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void *finishGVStub(const GlobalValue *F) {
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assert(0 && "JIT specific function called!");
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abort();
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return 0;
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}
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}; // end class ELFCodeEmitter
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} // end namespace llvm
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#endif
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