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[Mips] MipsTargetStreamer refactoring.
No functionality changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195057 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -5,6 +5,7 @@ add_llvm_library(LLVMMipsDesc
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MipsMCTargetDesc.cpp
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MipsELFObjectWriter.cpp
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MipsReginfo.cpp
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MipsTargetStreamer.cpp
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)
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add_dependencies(LLVMMipsDesc MipsCommonTableGen)
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@ -39,9 +39,6 @@
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using namespace llvm;
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static cl::opt<bool> PrintHackDirectives("print-hack-directives",
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cl::init(false), cl::Hidden);
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static std::string ParseMipsTriple(StringRef TT, StringRef CPU) {
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std::string MipsArchFeature;
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size_t DashPosition = 0;
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@ -131,67 +128,6 @@ static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
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return new MipsInstPrinter(MAI, MII, MRI);
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}
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namespace {
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class MipsTargetAsmStreamer : public MipsTargetStreamer {
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formatted_raw_ostream &OS;
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public:
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MipsTargetAsmStreamer(formatted_raw_ostream &OS);
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virtual void emitMipsHackELFFlags(unsigned Flags);
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virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
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};
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MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS)
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: OS(OS) {}
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void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) {
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if (!PrintHackDirectives)
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return;
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OS << "\t.mips_hack_elf_flags 0x";
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OS.write_hex(Flags);
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OS << '\n';
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}
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void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
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if (!PrintHackDirectives)
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return;
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OS << "\t.mips_hack_stocg ";
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OS << Sym->getName();
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OS << ", ";
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OS << Val;
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OS << '\n';
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}
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class MipsTargetELFStreamer : public MipsTargetStreamer {
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public:
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MCELFStreamer &getStreamer();
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MipsTargetELFStreamer();
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virtual void emitMipsHackELFFlags(unsigned Flags);
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virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
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};
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MipsTargetELFStreamer::MipsTargetELFStreamer() {}
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MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
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return static_cast<MCELFStreamer &>(*Streamer);
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}
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void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
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MCAssembler &MCA = getStreamer().getAssembler();
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MCA.setELFHeaderEFlags(Flags);
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}
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// Set a symbol's STO flags
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void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
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MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym);
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// The "other" values are stored in the last 6 bits of the second byte
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// The traditional defines for STO values assume the full byte and thus
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// the shift to pack it.
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MCELF::setOther(Data, Val >> 2);
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}
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}
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static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
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MCContext &Context, MCAsmBackend &MAB,
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raw_ostream &OS, MCCodeEmitter *Emitter,
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69
lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
Normal file
69
lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
Normal file
@ -0,0 +1,69 @@
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//===-- MipsTargetStreamer.cpp - Mips Target Streamer Methods -------------===//
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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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//
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// This file provides Mips specific target streamer methods.
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//
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//===----------------------------------------------------------------------===//
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#include "MipsTargetStreamer.h"
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#include "llvm/MC/MCELF.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FormattedStream.h"
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using namespace llvm;
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static cl::opt<bool> PrintHackDirectives("print-hack-directives",
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cl::init(false), cl::Hidden);
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// pin vtable to this file
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void MipsTargetStreamer::anchor() {}
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MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS)
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: OS(OS) {}
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void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) {
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if (!PrintHackDirectives)
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return;
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OS << "\t.mips_hack_elf_flags 0x";
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OS.write_hex(Flags);
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OS << '\n';
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}
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void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
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if (!PrintHackDirectives)
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return;
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OS << "\t.mips_hack_stocg ";
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OS << Sym->getName();
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OS << ", ";
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OS << Val;
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OS << '\n';
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}
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MipsTargetELFStreamer::MipsTargetELFStreamer() {}
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MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
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return static_cast<MCELFStreamer &>(*Streamer);
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}
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void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
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MCAssembler &MCA = getStreamer().getAssembler();
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MCA.setELFHeaderEFlags(Flags);
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}
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// Set a symbol's STO flags
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void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
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MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym);
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// The "other" values are stored in the last 6 bits of the second byte
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// The traditional defines for STO values assume the full byte and thus
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// the shift to pack it.
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MCELF::setOther(Data, Val >> 2);
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}
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@ -10,14 +10,36 @@
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#ifndef MIPSTARGETSTREAMER_H
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#define MIPSTARGETSTREAMER_H
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#include "llvm/MC/MCELFStreamer.h"
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#include "llvm/MC/MCStreamer.h"
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namespace llvm {
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class MipsTargetStreamer : public MCTargetStreamer {
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virtual void anchor();
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public:
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virtual void emitMipsHackELFFlags(unsigned Flags) = 0;
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virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) = 0;
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};
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// This part is for ascii assembly output
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class MipsTargetAsmStreamer : public MipsTargetStreamer {
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formatted_raw_ostream &OS;
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public:
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MipsTargetAsmStreamer(formatted_raw_ostream &OS);
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virtual void emitMipsHackELFFlags(unsigned Flags);
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virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
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};
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// This part is for ELF object output
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class MipsTargetELFStreamer : public MipsTargetStreamer {
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public:
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MCELFStreamer &getStreamer();
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MipsTargetELFStreamer();
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virtual void emitMipsHackELFFlags(unsigned Flags);
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virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
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};
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}
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#endif
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