diff options
| -rw-r--r-- | lib/Target/Mips/MCTargetDesc/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp | 64 | ||||
| -rw-r--r-- | lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp | 69 | ||||
| -rw-r--r-- | lib/Target/Mips/MipsTargetStreamer.h | 22 |
4 files changed, 92 insertions, 64 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/CMakeLists.txt b/lib/Target/Mips/MCTargetDesc/CMakeLists.txt index 80ca5f3..9116748 100644 --- a/lib/Target/Mips/MCTargetDesc/CMakeLists.txt +++ b/lib/Target/Mips/MCTargetDesc/CMakeLists.txt @@ -5,6 +5,7 @@ add_llvm_library(LLVMMipsDesc MipsMCTargetDesc.cpp MipsELFObjectWriter.cpp MipsReginfo.cpp + MipsTargetStreamer.cpp ) add_dependencies(LLVMMipsDesc MipsCommonTableGen) diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp index 6c48053..5548aaa 100644 --- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp +++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp @@ -39,9 +39,6 @@ using namespace llvm; -static cl::opt<bool> PrintHackDirectives("print-hack-directives", - cl::init(false), cl::Hidden); - static std::string ParseMipsTriple(StringRef TT, StringRef CPU) { std::string MipsArchFeature; size_t DashPosition = 0; @@ -131,67 +128,6 @@ static MCInstPrinter *createMipsMCInstPrinter(const Target &T, return new MipsInstPrinter(MAI, MII, MRI); } -namespace { -class MipsTargetAsmStreamer : public MipsTargetStreamer { - formatted_raw_ostream &OS; - -public: - MipsTargetAsmStreamer(formatted_raw_ostream &OS); - virtual void emitMipsHackELFFlags(unsigned Flags); - virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val); -}; - -MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS) - : OS(OS) {} - -void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) { - if (!PrintHackDirectives) - return; - - OS << "\t.mips_hack_elf_flags 0x"; - OS.write_hex(Flags); - OS << '\n'; -} -void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) { - if (!PrintHackDirectives) - return; - - OS << "\t.mips_hack_stocg "; - OS << Sym->getName(); - OS << ", "; - OS << Val; - OS << '\n'; -} - -class MipsTargetELFStreamer : public MipsTargetStreamer { -public: - MCELFStreamer &getStreamer(); - MipsTargetELFStreamer(); - virtual void emitMipsHackELFFlags(unsigned Flags); - virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val); -}; - -MipsTargetELFStreamer::MipsTargetELFStreamer() {} - -MCELFStreamer &MipsTargetELFStreamer::getStreamer() { - return static_cast<MCELFStreamer &>(*Streamer); -} - -void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) { - MCAssembler &MCA = getStreamer().getAssembler(); - MCA.setELFHeaderEFlags(Flags); -} - -// Set a symbol's STO flags -void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) { - MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym); - // The "other" values are stored in the last 6 bits of the second byte - // The traditional defines for STO values assume the full byte and thus - // the shift to pack it. - MCELF::setOther(Data, Val >> 2); -} -} - static MCStreamer *createMCStreamer(const Target &T, StringRef TT, MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS, MCCodeEmitter *Emitter, diff --git a/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp new file mode 100644 index 0000000..998a575 --- /dev/null +++ b/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp @@ -0,0 +1,69 @@ +//===-- MipsTargetStreamer.cpp - Mips Target Streamer Methods -------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file provides Mips specific target streamer methods. +// +//===----------------------------------------------------------------------===// + +#include "MipsTargetStreamer.h" +#include "llvm/MC/MCELF.h" +#include "llvm/MC/MCSymbol.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/FormattedStream.h" + +using namespace llvm; + +static cl::opt<bool> PrintHackDirectives("print-hack-directives", + cl::init(false), cl::Hidden); + +// pin vtable to this file +void MipsTargetStreamer::anchor() {} + +MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS) + : OS(OS) {} + +void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) { + if (!PrintHackDirectives) + return; + + OS << "\t.mips_hack_elf_flags 0x"; + OS.write_hex(Flags); + OS << '\n'; +} +void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) { + if (!PrintHackDirectives) + return; + + OS << "\t.mips_hack_stocg "; + OS << Sym->getName(); + OS << ", "; + OS << Val; + OS << '\n'; +} + +MipsTargetELFStreamer::MipsTargetELFStreamer() {} + +MCELFStreamer &MipsTargetELFStreamer::getStreamer() { + return static_cast<MCELFStreamer &>(*Streamer); +} + +void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) { + MCAssembler &MCA = getStreamer().getAssembler(); + MCA.setELFHeaderEFlags(Flags); +} + +// Set a symbol's STO flags +void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) { + MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym); + // The "other" values are stored in the last 6 bits of the second byte + // The traditional defines for STO values assume the full byte and thus + // the shift to pack it. + MCELF::setOther(Data, Val >> 2); +} diff --git a/lib/Target/Mips/MipsTargetStreamer.h b/lib/Target/Mips/MipsTargetStreamer.h index fb9f5ef..0037f3f 100644 --- a/lib/Target/Mips/MipsTargetStreamer.h +++ b/lib/Target/Mips/MipsTargetStreamer.h @@ -10,14 +10,36 @@ #ifndef MIPSTARGETSTREAMER_H #define MIPSTARGETSTREAMER_H +#include "llvm/MC/MCELFStreamer.h" #include "llvm/MC/MCStreamer.h" namespace llvm { class MipsTargetStreamer : public MCTargetStreamer { + virtual void anchor(); + public: virtual void emitMipsHackELFFlags(unsigned Flags) = 0; virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) = 0; }; + +// This part is for ascii assembly output +class MipsTargetAsmStreamer : public MipsTargetStreamer { + formatted_raw_ostream &OS; + +public: + MipsTargetAsmStreamer(formatted_raw_ostream &OS); + virtual void emitMipsHackELFFlags(unsigned Flags); + virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val); +}; + +// This part is for ELF object output +class MipsTargetELFStreamer : public MipsTargetStreamer { +public: + MCELFStreamer &getStreamer(); + MipsTargetELFStreamer(); + virtual void emitMipsHackELFFlags(unsigned Flags); + virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val); +}; } #endif |