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| //===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides XCore specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "MCTargetDesc/XCoreMCTargetDesc.h"
#include "MCTargetDesc/XCoreInstPrinter.h"
#include "MCTargetDesc/XCoreMCAsmInfo.h"
#include "TargetInfo/XCoreTargetInfo.h"
#include "XCoreTargetStreamer.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.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(const Triple &TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitXCoreMCRegisterInfo(X, XCore::LR);
return X;
}
static MCSubtargetInfo *
createXCoreMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
return createXCoreMCSubtargetInfoImpl(TT, CPU, FS);
}
static MCAsmInfo *createXCoreMCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TT,
const MCTargetOptions &Options) {
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 MCInstPrinter *createXCoreMCInstPrinter(const Triple &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
return new XCoreInstPrinter(MAI, MII, MRI);
}
XCoreTargetStreamer::XCoreTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
XCoreTargetStreamer::~XCoreTargetStreamer() = default;
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;
};
} // end anonymous namespace
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 MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS,
MCInstPrinter *InstPrint,
bool isVerboseAsm) {
return new XCoreTargetAsmStreamer(S, OS);
}
// Force static initialization.
extern "C" void LLVMInitializeXCoreTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn X(getTheXCoreTarget(), createXCoreMCAsmInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(getTheXCoreTarget(),
createXCoreMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(getTheXCoreTarget(),
createXCoreMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(getTheXCoreTarget(),
createXCoreMCSubtargetInfo);
// Register the MCInstPrinter
TargetRegistry::RegisterMCInstPrinter(getTheXCoreTarget(),
createXCoreMCInstPrinter);
TargetRegistry::RegisterAsmTargetStreamer(getTheXCoreTarget(),
createTargetAsmStreamer);
}
|