54 lines · cpp
1//===- lib/MC/MCGOFFStreamer.cpp - GOFF Object Output ---------------------===//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-exception6//7//===----------------------------------------------------------------------===//8//9// This file assembles .s files and emits GOFF .o object files.10//11//===----------------------------------------------------------------------===//12 13#include "llvm/MC/MCGOFFStreamer.h"14#include "llvm/MC/MCAsmBackend.h"15#include "llvm/MC/MCAssembler.h"16#include "llvm/MC/MCCodeEmitter.h"17#include "llvm/MC/MCContext.h"18#include "llvm/MC/MCGOFFObjectWriter.h"19#include "llvm/MC/TargetRegistry.h"20 21using namespace llvm;22 23MCGOFFStreamer::~MCGOFFStreamer() = default;24 25GOFFObjectWriter &MCGOFFStreamer::getWriter() {26 return static_cast<GOFFObjectWriter &>(getAssembler().getWriter());27}28 29void MCGOFFStreamer::changeSection(MCSection *Section, uint32_t Subsection) {30 // Make sure that all section are registered in the correct order.31 SmallVector<MCSectionGOFF *> Sections;32 for (auto *S = static_cast<MCSectionGOFF *>(Section); S; S = S->getParent())33 Sections.push_back(S);34 while (!Sections.empty()) {35 auto *S = Sections.pop_back_val();36 MCObjectStreamer::changeSection(S, Sections.empty() ? Subsection : 0);37 }38}39 40MCStreamer *llvm::createGOFFStreamer(MCContext &Context,41 std::unique_ptr<MCAsmBackend> &&MAB,42 std::unique_ptr<MCObjectWriter> &&OW,43 std::unique_ptr<MCCodeEmitter> &&CE) {44 MCGOFFStreamer *S =45 new MCGOFFStreamer(Context, std::move(MAB), std::move(OW), std::move(CE));46 return S;47}48llvm::MCGOFFStreamer::MCGOFFStreamer(MCContext &Context,49 std::unique_ptr<MCAsmBackend> MAB,50 std::unique_ptr<MCObjectWriter> OW,51 std::unique_ptr<MCCodeEmitter> Emitter)52 : MCObjectStreamer(Context, std::move(MAB), std::move(OW),53 std::move(Emitter)) {}54