llvm-6502/lib/Target/X86/X86ELFWriter.cpp

39 lines
1.3 KiB
C++

//===-- X86ELFWriter.cpp - Emit an ELF file for the X86 backend -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements an ELF writer for the X86 backend. The public interface
// to this file is the createX86ELFObjectWriterPass function.
//
//===----------------------------------------------------------------------===//
#include "X86.h"
#include "X86TargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/ELFWriter.h"
using namespace llvm;
namespace {
class X86ELFWriter : public ELFWriter {
public:
X86ELFWriter(std::ostream &O, X86TargetMachine &TM) : ELFWriter(O, TM) {
e_machine = 3; // EM_386
}
};
}
/// addX86ELFObjectWriterPass - Returns a pass that outputs the generated code
/// as an ELF object file.
///
void llvm::addX86ELFObjectWriterPass(PassManager &FPM,
std::ostream &O, X86TargetMachine &TM) {
X86ELFWriter *EW = new X86ELFWriter(O, TM);
FPM.add(EW);
FPM.add(createX86CodeEmitterPass(EW->getMachineCodeEmitter()));
}