1 //===-- SparcMCTargetDesc.cpp - Sparc Target Descriptions -----------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file provides Sparc specific target descriptions.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "SparcMCTargetDesc.h"
14 #include "SparcInstPrinter.h"
15 #include "SparcMCAsmInfo.h"
16 #include "SparcTargetStreamer.h"
17 #include "TargetInfo/SparcTargetInfo.h"
18 #include "llvm/MC/MCInstrInfo.h"
19 #include "llvm/MC/MCRegisterInfo.h"
20 #include "llvm/MC/MCSubtargetInfo.h"
21 #include "llvm/MC/TargetRegistry.h"
22 #include "llvm/Support/ErrorHandling.h"
23
24 namespace llvm {
25 namespace SparcASITag {
26 #define GET_ASITagsList_IMPL
27 #include "SparcGenSearchableTables.inc"
28 } // end namespace SparcASITag
29 } // end namespace llvm
30
31 using namespace llvm;
32
33 #define GET_INSTRINFO_MC_DESC
34 #define ENABLE_INSTR_PREDICATE_VERIFIER
35 #include "SparcGenInstrInfo.inc"
36
37 #define GET_SUBTARGETINFO_MC_DESC
38 #include "SparcGenSubtargetInfo.inc"
39
40 #define GET_REGINFO_MC_DESC
41 #include "SparcGenRegisterInfo.inc"
42
createSparcMCAsmInfo(const MCRegisterInfo & MRI,const Triple & TT,const MCTargetOptions & Options)43 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI,
44 const Triple &TT,
45 const MCTargetOptions &Options) {
46 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
47 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
48 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
49 MAI->addInitialFrameState(Inst);
50 return MAI;
51 }
52
createSparcV9MCAsmInfo(const MCRegisterInfo & MRI,const Triple & TT,const MCTargetOptions & Options)53 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
54 const Triple &TT,
55 const MCTargetOptions &Options) {
56 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
57 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
58 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 2047);
59 MAI->addInitialFrameState(Inst);
60 return MAI;
61 }
62
createSparcMCInstrInfo()63 static MCInstrInfo *createSparcMCInstrInfo() {
64 MCInstrInfo *X = new MCInstrInfo();
65 InitSparcMCInstrInfo(X);
66 return X;
67 }
68
createSparcMCRegisterInfo(const Triple & TT)69 static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) {
70 MCRegisterInfo *X = new MCRegisterInfo();
71 InitSparcMCRegisterInfo(X, SP::O7);
72 return X;
73 }
74
75 static MCSubtargetInfo *
createSparcMCSubtargetInfo(const Triple & TT,StringRef CPU,StringRef FS)76 createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
77 if (CPU.empty())
78 CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8";
79 return createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
80 }
81
82 static MCTargetStreamer *
createObjectTargetStreamer(MCStreamer & S,const MCSubtargetInfo & STI)83 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
84 return new SparcTargetELFStreamer(S);
85 }
86
createTargetAsmStreamer(MCStreamer & S,formatted_raw_ostream & OS,MCInstPrinter * InstPrint,bool isVerboseAsm)87 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
88 formatted_raw_ostream &OS,
89 MCInstPrinter *InstPrint,
90 bool isVerboseAsm) {
91 return new SparcTargetAsmStreamer(S, OS);
92 }
93
createNullTargetStreamer(MCStreamer & S)94 static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
95 return new SparcTargetStreamer(S);
96 }
97
createSparcMCInstPrinter(const Triple & T,unsigned SyntaxVariant,const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)98 static MCInstPrinter *createSparcMCInstPrinter(const Triple &T,
99 unsigned SyntaxVariant,
100 const MCAsmInfo &MAI,
101 const MCInstrInfo &MII,
102 const MCRegisterInfo &MRI) {
103 return new SparcInstPrinter(MAI, MII, MRI);
104 }
105
LLVMInitializeSparcTargetMC()106 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSparcTargetMC() {
107 // Register the MC asm info.
108 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo);
109 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo);
110 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo);
111
112 for (Target *T :
113 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) {
114 // Register the MC instruction info.
115 TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo);
116
117 // Register the MC register info.
118 TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo);
119
120 // Register the MC subtarget info.
121 TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo);
122
123 // Register the MC Code Emitter.
124 TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter);
125
126 // Register the asm backend.
127 TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend);
128
129 // Register the object target streamer.
130 TargetRegistry::RegisterObjectTargetStreamer(*T,
131 createObjectTargetStreamer);
132
133 // Register the asm streamer.
134 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
135
136 // Register the null streamer.
137 TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
138
139 // Register the MCInstPrinter
140 TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter);
141 }
142 }
143