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
30 namespace SparcPrefetchTag {
31 #define GET_PrefetchTagsList_IMPL
32 #include "SparcGenSearchableTables.inc"
33 } // end namespace SparcPrefetchTag
34 } // end namespace llvm
35
36 using namespace llvm;
37
38 #define GET_INSTRINFO_MC_DESC
39 #define ENABLE_INSTR_PREDICATE_VERIFIER
40 #include "SparcGenInstrInfo.inc"
41
42 #define GET_SUBTARGETINFO_MC_DESC
43 #include "SparcGenSubtargetInfo.inc"
44
45 #define GET_REGINFO_MC_DESC
46 #include "SparcGenRegisterInfo.inc"
47
createSparcMCAsmInfo(const MCRegisterInfo & MRI,const Triple & TT,const MCTargetOptions & Options)48 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI,
49 const Triple &TT,
50 const MCTargetOptions &Options) {
51 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
52 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
53 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
54 MAI->addInitialFrameState(Inst);
55 return MAI;
56 }
57
createSparcV9MCAsmInfo(const MCRegisterInfo & MRI,const Triple & TT,const MCTargetOptions & Options)58 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
59 const Triple &TT,
60 const MCTargetOptions &Options) {
61 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
62 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
63 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 2047);
64 MAI->addInitialFrameState(Inst);
65 return MAI;
66 }
67
createSparcMCInstrInfo()68 static MCInstrInfo *createSparcMCInstrInfo() {
69 MCInstrInfo *X = new MCInstrInfo();
70 InitSparcMCInstrInfo(X);
71 return X;
72 }
73
createSparcMCRegisterInfo(const Triple & TT)74 static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) {
75 MCRegisterInfo *X = new MCRegisterInfo();
76 InitSparcMCRegisterInfo(X, SP::O7);
77 return X;
78 }
79
80 static MCSubtargetInfo *
createSparcMCSubtargetInfo(const Triple & TT,StringRef CPU,StringRef FS)81 createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
82 if (CPU.empty())
83 CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8";
84 return createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
85 }
86
87 static MCTargetStreamer *
createObjectTargetStreamer(MCStreamer & S,const MCSubtargetInfo & STI)88 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
89 return new SparcTargetELFStreamer(S);
90 }
91
createTargetAsmStreamer(MCStreamer & S,formatted_raw_ostream & OS,MCInstPrinter * InstPrint)92 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
93 formatted_raw_ostream &OS,
94 MCInstPrinter *InstPrint) {
95 return new SparcTargetAsmStreamer(S, OS);
96 }
97
createNullTargetStreamer(MCStreamer & S)98 static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
99 return new SparcTargetStreamer(S);
100 }
101
createSparcMCInstPrinter(const Triple & T,unsigned SyntaxVariant,const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)102 static MCInstPrinter *createSparcMCInstPrinter(const Triple &T,
103 unsigned SyntaxVariant,
104 const MCAsmInfo &MAI,
105 const MCInstrInfo &MII,
106 const MCRegisterInfo &MRI) {
107 return new SparcInstPrinter(MAI, MII, MRI);
108 }
109
LLVMInitializeSparcTargetMC()110 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSparcTargetMC() {
111 // Register the MC asm info.
112 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo);
113 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo);
114 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo);
115
116 for (Target *T :
117 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) {
118 // Register the MC instruction info.
119 TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo);
120
121 // Register the MC register info.
122 TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo);
123
124 // Register the MC subtarget info.
125 TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo);
126
127 // Register the MC Code Emitter.
128 TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter);
129
130 // Register the asm backend.
131 TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend);
132
133 // Register the object target streamer.
134 TargetRegistry::RegisterObjectTargetStreamer(*T,
135 createObjectTargetStreamer);
136
137 // Register the asm streamer.
138 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
139
140 // Register the null streamer.
141 TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
142
143 // Register the MCInstPrinter
144 TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter);
145 }
146 }
147