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//===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides XCore specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "XCoreMCTargetDesc.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreMCAsmInfo.h"
#include "XCoreTargetStreamer.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
#define GET_INSTRINFO_MC_DESC
#include "XCoreGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "XCoreGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "XCoreGenRegisterInfo.inc"
static MCInstrInfo *createXCoreMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitXCoreMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitXCoreMCRegisterInfo(X, XCore::LR);
return X;
}
static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createXCoreMCAsmInfo(const MCRegisterInfo &MRI,
StringRef TT) {
MCAsmInfo *MAI = new XCoreMCAsmInfo(TT);
// Initial state of the frame pointer is SP.
MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, XCore::SP, 0);
MAI->addInitialFrameState(Inst);
return MAI;
}
static MCCodeGenInfo *createXCoreMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM,
CodeGenOpt::Level OL) {
MCCodeGenInfo *X = new MCCodeGenInfo();
if (RM == Reloc::Default) {
RM = Reloc::Static;
}
if (CM == CodeModel::Default) {
CM = CodeModel::Small;
}
if (CM != CodeModel::Small && CM != CodeModel::Large)
report_fatal_error("Target only supports CodeModel Small or Large");
X->InitMCCodeGenInfo(RM, CM, OL);
return X;
}
static MCInstPrinter *createXCoreMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI,
const MCSubtargetInfo &STI) {
return new XCoreInstPrinter(MAI, MII, MRI);
}
XCoreTargetStreamer::XCoreTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
XCoreTargetStreamer::~XCoreTargetStreamer() {}
namespace {
class XCoreTargetAsmStreamer : public XCoreTargetStreamer {
formatted_raw_ostream &OS;
public:
XCoreTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
void emitCCTopData(StringRef Name) override;
void emitCCTopFunction(StringRef Name) override;
void emitCCBottomData(StringRef Name) override;
void emitCCBottomFunction(StringRef Name) override;
};
XCoreTargetAsmStreamer::XCoreTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS)
: XCoreTargetStreamer(S), OS(OS) {}
void XCoreTargetAsmStreamer::emitCCTopData(StringRef Name) {
OS << "\t.cc_top " << Name << ".data," << Name << '\n';
}
void XCoreTargetAsmStreamer::emitCCTopFunction(StringRef Name) {
OS << "\t.cc_top " << Name << ".function," << Name << '\n';
}
void XCoreTargetAsmStreamer::emitCCBottomData(StringRef Name) {
OS << "\t.cc_bottom " << Name << ".data\n";
}
void XCoreTargetAsmStreamer::emitCCBottomFunction(StringRef Name) {
OS << "\t.cc_bottom " << Name << ".function\n";
}
}
static MCStreamer *
createXCoreMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm, bool useDwarfDirectory,
MCInstPrinter *InstPrint, MCCodeEmitter *CE,
MCAsmBackend *TAB, bool ShowInst) {
MCStreamer *S = llvm::createAsmStreamer(
Ctx, OS, isVerboseAsm, useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
new XCoreTargetAsmStreamer(*S, OS);
return S;
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
createXCoreMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
createXCoreMCSubtargetInfo);
// Register the MCInstPrinter
TargetRegistry::RegisterMCInstPrinter(TheXCoreTarget,
createXCoreMCInstPrinter);
TargetRegistry::RegisterAsmStreamer(TheXCoreTarget, createXCoreMCAsmStreamer);
}
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