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