1 //===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides XCore specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "XCoreMCTargetDesc.h"
15 #include "InstPrinter/XCoreInstPrinter.h"
16 #include "XCoreMCAsmInfo.h"
17 #include "XCoreTargetStreamer.h"
18 #include "llvm/MC/MCCodeGenInfo.h"
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
21 #include "llvm/MC/MCSubtargetInfo.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/FormattedStream.h"
24 #include "llvm/Support/TargetRegistry.h"
28 #define GET_INSTRINFO_MC_DESC
29 #include "XCoreGenInstrInfo.inc"
31 #define GET_SUBTARGETINFO_MC_DESC
32 #include "XCoreGenSubtargetInfo.inc"
34 #define GET_REGINFO_MC_DESC
35 #include "XCoreGenRegisterInfo.inc"
37 static MCInstrInfo *createXCoreMCInstrInfo() {
38 MCInstrInfo *X = new MCInstrInfo();
39 InitXCoreMCInstrInfo(X);
43 static MCRegisterInfo *createXCoreMCRegisterInfo(const Triple &TT) {
44 MCRegisterInfo *X = new MCRegisterInfo();
45 InitXCoreMCRegisterInfo(X, XCore::LR);
49 static MCSubtargetInfo *
50 createXCoreMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
51 return createXCoreMCSubtargetInfoImpl(TT, CPU, FS);
54 static MCAsmInfo *createXCoreMCAsmInfo(const MCRegisterInfo &MRI,
56 MCAsmInfo *MAI = new XCoreMCAsmInfo(TT);
58 // Initial state of the frame pointer is SP.
59 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, XCore::SP, 0);
60 MAI->addInitialFrameState(Inst);
65 static MCCodeGenInfo *createXCoreMCCodeGenInfo(const Triple &TT,
68 CodeGenOpt::Level OL) {
69 MCCodeGenInfo *X = new MCCodeGenInfo();
70 if (RM == Reloc::Default) {
73 if (CM == CodeModel::Default) {
74 CM = CodeModel::Small;
76 if (CM != CodeModel::Small && CM != CodeModel::Large)
77 report_fatal_error("Target only supports CodeModel Small or Large");
79 X->initMCCodeGenInfo(RM, CM, OL);
83 static MCInstPrinter *createXCoreMCInstPrinter(const Triple &T,
84 unsigned SyntaxVariant,
86 const MCInstrInfo &MII,
87 const MCRegisterInfo &MRI) {
88 return new XCoreInstPrinter(MAI, MII, MRI);
91 XCoreTargetStreamer::XCoreTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
92 XCoreTargetStreamer::~XCoreTargetStreamer() {}
96 class XCoreTargetAsmStreamer : public XCoreTargetStreamer {
97 formatted_raw_ostream &OS;
99 XCoreTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
100 void emitCCTopData(StringRef Name) override;
101 void emitCCTopFunction(StringRef Name) override;
102 void emitCCBottomData(StringRef Name) override;
103 void emitCCBottomFunction(StringRef Name) override;
106 XCoreTargetAsmStreamer::XCoreTargetAsmStreamer(MCStreamer &S,
107 formatted_raw_ostream &OS)
108 : XCoreTargetStreamer(S), OS(OS) {}
110 void XCoreTargetAsmStreamer::emitCCTopData(StringRef Name) {
111 OS << "\t.cc_top " << Name << ".data," << Name << '\n';
114 void XCoreTargetAsmStreamer::emitCCTopFunction(StringRef Name) {
115 OS << "\t.cc_top " << Name << ".function," << Name << '\n';
118 void XCoreTargetAsmStreamer::emitCCBottomData(StringRef Name) {
119 OS << "\t.cc_bottom " << Name << ".data\n";
122 void XCoreTargetAsmStreamer::emitCCBottomFunction(StringRef Name) {
123 OS << "\t.cc_bottom " << Name << ".function\n";
127 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
128 formatted_raw_ostream &OS,
129 MCInstPrinter *InstPrint,
131 return new XCoreTargetAsmStreamer(S, OS);
134 // Force static initialization.
135 extern "C" void LLVMInitializeXCoreTargetMC() {
136 // Register the MC asm info.
137 RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
139 // Register the MC codegen info.
140 TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
141 createXCoreMCCodeGenInfo);
143 // Register the MC instruction info.
144 TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
146 // Register the MC register info.
147 TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
149 // Register the MC subtarget info.
150 TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
151 createXCoreMCSubtargetInfo);
153 // Register the MCInstPrinter
154 TargetRegistry::RegisterMCInstPrinter(TheXCoreTarget,
155 createXCoreMCInstPrinter);
157 TargetRegistry::RegisterAsmTargetStreamer(TheXCoreTarget,
158 createTargetAsmStreamer);