-//===-- MipsMCTargetDesc.cpp - Mips Target Descriptions ---------*- C++ -*-===//
+//===-- MipsMCTargetDesc.cpp - Mips Target Descriptions -------------------===//
//
// The LLVM Compiler Infrastructure
//
//===----------------------------------------------------------------------===//
#include "MipsMCTargetDesc.h"
-#include "MipsMCAsmInfo.h"
#include "InstPrinter/MipsInstPrinter.h"
-#include "llvm/MC/MachineLocation.h"
+#include "MipsMCAsmInfo.h"
+#include "MipsTargetStreamer.h"
+#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/MC/MCELF.h"
+#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Target/TargetRegistry.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MachineLocation.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "MipsGenInstrInfo.inc"
using namespace llvm;
+static cl::opt<bool> PrintHackDirectives("print-hack-directives",
+ cl::init(false), cl::Hidden);
+
+// pin vtable to this file
+void MipsTargetStreamer::anchor() {}
+
+static std::string ParseMipsTriple(StringRef TT, StringRef CPU) {
+ std::string MipsArchFeature;
+ size_t DashPosition = 0;
+ StringRef TheTriple;
+
+ // Let's see if there is a dash, like mips-unknown-linux.
+ DashPosition = TT.find('-');
+
+ if (DashPosition == StringRef::npos) {
+ // No dash, we check the string size.
+ TheTriple = TT.substr(0);
+ } else {
+ // We are only interested in substring before dash.
+ TheTriple = TT.substr(0,DashPosition);
+ }
+
+ if (TheTriple == "mips" || TheTriple == "mipsel") {
+ if (CPU.empty() || CPU == "mips32") {
+ MipsArchFeature = "+mips32";
+ } else if (CPU == "mips32r2") {
+ MipsArchFeature = "+mips32r2";
+ }
+ } else {
+ if (CPU.empty() || CPU == "mips64") {
+ MipsArchFeature = "+mips64";
+ } else if (CPU == "mips64r2") {
+ MipsArchFeature = "+mips64r2";
+ }
+ }
+ return MipsArchFeature;
+}
+
static MCInstrInfo *createMipsMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitMipsMCInstrInfo(X);
static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
+ std::string ArchFS = ParseMipsTriple(TT,CPU);
+ if (!FS.empty()) {
+ if (!ArchFS.empty())
+ ArchFS = ArchFS + "," + FS.str();
+ else
+ ArchFS = FS;
+ }
MCSubtargetInfo *X = new MCSubtargetInfo();
- InitMipsMCSubtargetInfo(X, TT, CPU, FS);
+ InitMipsMCSubtargetInfo(X, TT, CPU, ArchFS);
return X;
}
-static MCAsmInfo *createMipsMCAsmInfo(const Target &T, StringRef TT) {
- MCAsmInfo *MAI = new MipsMCAsmInfo(T, TT);
+static MCAsmInfo *createMipsMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
+ MCAsmInfo *MAI = new MipsMCAsmInfo(TT);
- MachineLocation Dst(MachineLocation::VirtualFP);
- MachineLocation Src(Mips::SP, 0);
- MAI->addInitialFrameState(0, Dst, Src);
+ unsigned SP = MRI.getDwarfRegNum(Mips::SP, true);
+ MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, SP, 0);
+ MAI->addInitialFrameState(Inst);
return MAI;
}
static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
- CodeModel::Model CM) {
+ CodeModel::Model CM,
+ CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
- if (RM == Reloc::Default) {
- // Abicall enables PIC by default
- if (TT.find("mipsallegrex") != std::string::npos ||
- TT.find("psp") != std::string::npos)
- RM = Reloc::Static;
- else
- RM = Reloc::PIC_;
- }
- X->InitMCCodeGenInfo(RM, CM);
+ if (CM == CodeModel::JITDefault)
+ RM = Reloc::Static;
+ else if (RM == Reloc::Default)
+ RM = Reloc::PIC_;
+ X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
- const MCAsmInfo &MAI) {
- return new MipsInstPrinter(MAI);
+ const MCAsmInfo &MAI,
+ const MCInstrInfo &MII,
+ const MCRegisterInfo &MRI,
+ const MCSubtargetInfo &STI) {
+ 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,
+ bool RelaxAll, bool NoExecStack) {
+ MipsTargetELFStreamer *S = new MipsTargetELFStreamer();
+ return createELFStreamer(Context, S, MAB, OS, Emitter, RelaxAll, NoExecStack);
+}
+
+static MCStreamer *
+createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
+ bool isVerboseAsm, bool useLoc, bool useCFI,
+ bool useDwarfDirectory, MCInstPrinter *InstPrint,
+ MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
+ MipsTargetAsmStreamer *S = new MipsTargetAsmStreamer(OS);
+
+ return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
+ useDwarfDirectory, InstPrint, CE, TAB,
+ ShowInst);
}
extern "C" void LLVMInitializeMipsTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
+ RegisterMCAsmInfoFn A(TheMips64Target, createMipsMCAsmInfo);
+ RegisterMCAsmInfoFn B(TheMips64elTarget, createMipsMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
createMipsMCCodeGenInfo);
TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
createMipsMCCodeGenInfo);
+ TargetRegistry::RegisterMCCodeGenInfo(TheMips64Target,
+ createMipsMCCodeGenInfo);
+ TargetRegistry::RegisterMCCodeGenInfo(TheMips64elTarget,
+ createMipsMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
+ TargetRegistry::RegisterMCInstrInfo(TheMipselTarget, createMipsMCInstrInfo);
+ TargetRegistry::RegisterMCInstrInfo(TheMips64Target, createMipsMCInstrInfo);
+ TargetRegistry::RegisterMCInstrInfo(TheMips64elTarget,
+ createMipsMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
+ TargetRegistry::RegisterMCRegInfo(TheMips64Target, createMipsMCRegisterInfo);
+ TargetRegistry::RegisterMCRegInfo(TheMips64elTarget,
+ createMipsMCRegisterInfo);
+
+ // Register the MC Code Emitter
+ TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget,
+ createMipsMCCodeEmitterEB);
+ TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
+ createMipsMCCodeEmitterEL);
+ TargetRegistry::RegisterMCCodeEmitter(TheMips64Target,
+ createMipsMCCodeEmitterEB);
+ TargetRegistry::RegisterMCCodeEmitter(TheMips64elTarget,
+ createMipsMCCodeEmitterEL);
+
+ // Register the object streamer.
+ TargetRegistry::RegisterMCObjectStreamer(TheMipsTarget, createMCStreamer);
+ TargetRegistry::RegisterMCObjectStreamer(TheMipselTarget, createMCStreamer);
+ TargetRegistry::RegisterMCObjectStreamer(TheMips64Target, createMCStreamer);
+ TargetRegistry::RegisterMCObjectStreamer(TheMips64elTarget,
+ createMCStreamer);
+
+ // Register the asm streamer.
+ TargetRegistry::RegisterAsmStreamer(TheMipsTarget, createMCAsmStreamer);
+ TargetRegistry::RegisterAsmStreamer(TheMipselTarget, createMCAsmStreamer);
+ TargetRegistry::RegisterAsmStreamer(TheMips64Target, createMCAsmStreamer);
+ TargetRegistry::RegisterAsmStreamer(TheMips64elTarget, createMCAsmStreamer);
+
+ // Register the asm backend.
+ TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
+ createMipsAsmBackendEB32);
+ TargetRegistry::RegisterMCAsmBackend(TheMipselTarget,
+ createMipsAsmBackendEL32);
+ TargetRegistry::RegisterMCAsmBackend(TheMips64Target,
+ createMipsAsmBackendEB64);
+ TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget,
+ createMipsAsmBackendEL64);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
createMipsMCSubtargetInfo);
+ TargetRegistry::RegisterMCSubtargetInfo(TheMipselTarget,
+ createMipsMCSubtargetInfo);
+ TargetRegistry::RegisterMCSubtargetInfo(TheMips64Target,
+ createMipsMCSubtargetInfo);
+ TargetRegistry::RegisterMCSubtargetInfo(TheMips64elTarget,
+ createMipsMCSubtargetInfo);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(TheMipsTarget,
createMipsMCInstPrinter);
TargetRegistry::RegisterMCInstPrinter(TheMipselTarget,
createMipsMCInstPrinter);
+ TargetRegistry::RegisterMCInstPrinter(TheMips64Target,
+ createMipsMCInstPrinter);
+ TargetRegistry::RegisterMCInstPrinter(TheMips64elTarget,
+ createMipsMCInstPrinter);
}
projects / oota-llvm.git / blobdiff