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//===-------- AMDGPUELFStreamer.cpp - ELF Object Output -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "AMDGPUELFStreamer.h"
#include "Utils/AMDGPUBaseInfo.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCCodeEmitter.h"
using namespace llvm;
AMDGPUELFStreamer::AMDGPUELFStreamer(const Triple &T, MCContext &Context,
std::unique_ptr<MCAsmBackend> MAB,
raw_pwrite_stream &OS,
std::unique_ptr<MCCodeEmitter> Emitter)
: MCELFStreamer(Context, std::move(MAB), OS, std::move(Emitter)) {
unsigned Arch = ELF::EF_AMDGPU_ARCH_NONE;
switch (T.getArch()) {
case Triple::r600:
Arch = ELF::EF_AMDGPU_ARCH_R600;
break;
case Triple::amdgcn:
Arch = ELF::EF_AMDGPU_ARCH_GCN;
break;
default:
break;
}
MCAssembler &MCA = getAssembler();
unsigned EFlags = MCA.getELFHeaderEFlags();
EFlags &= ~ELF::EF_AMDGPU_ARCH;
EFlags |= Arch;
MCA.setELFHeaderEFlags(EFlags);
}
MCELFStreamer *llvm::createAMDGPUELFStreamer(
const Triple &T, MCContext &Context, std::unique_ptr<MCAsmBackend> MAB,
raw_pwrite_stream &OS, std::unique_ptr<MCCodeEmitter> Emitter,
bool RelaxAll) {
return new AMDGPUELFStreamer(T, Context, std::move(MAB), OS,
std::move(Emitter));
}
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