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/Compiler.h"
23#include "llvm/Support/ErrorHandling.h"
24
25namespace llvm {
26namespace SparcASITag {
27#define GET_ASITagsList_IMPL
28#include "SparcGenSearchableTables.inc"
29} // end namespace SparcASITag
30
31namespace SparcPrefetchTag {
32#define GET_PrefetchTagsList_IMPL
33#include "SparcGenSearchableTables.inc"
34} // end namespace SparcPrefetchTag
35} // end namespace llvm
36
37using namespace llvm;
38
39#define GET_INSTRINFO_MC_DESC
40#define ENABLE_INSTR_PREDICATE_VERIFIER
41#include "SparcGenInstrInfo.inc"
42
43#define GET_SUBTARGETINFO_MC_DESC
44#include "SparcGenSubtargetInfo.inc"
45
46#define GET_REGINFO_MC_DESC
47#include "SparcGenRegisterInfo.inc"
48
49static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI,
50 const Triple &TT,
51 const MCTargetOptions &Options) {
52 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
53 unsigned Reg = MRI.getDwarfRegNum(Reg: SP::O6, isEH: true);
54 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(L: nullptr, Register: Reg, Offset: 0);
55 MAI->addInitialFrameState(Inst);
56 return MAI;
57}
58
59static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
60 const Triple &TT,
61 const MCTargetOptions &Options) {
62 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
63 unsigned Reg = MRI.getDwarfRegNum(Reg: SP::O6, isEH: true);
64 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(L: nullptr, Register: Reg, Offset: 2047);
65 MAI->addInitialFrameState(Inst);
66 return MAI;
67}
68
69static MCInstrInfo *createSparcMCInstrInfo() {
70 MCInstrInfo *X = new MCInstrInfo();
71 InitSparcMCInstrInfo(II: X);
72 return X;
73}
74
75static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) {
76 MCRegisterInfo *X = new MCRegisterInfo();
77 InitSparcMCRegisterInfo(RI: X, RA: SP::O7);
78 return X;
79}
80
81static MCSubtargetInfo *
82createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
83 if (CPU.empty())
84 CPU = TT.getArch() == Triple::sparcv9 ? "v9" : "v8";
85
86 MCSubtargetInfo *STI =
87 createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU=*/CPU, FS);
88 if (TT.isSPARC64() && !STI->hasFeature(Feature: Sparc::Feature64Bit)) {
89 FeatureBitset Features = STI->getFeatureBits();
90 STI->setFeatureBits(Features.set(Sparc::Feature64Bit));
91 }
92
93 return STI;
94}
95
96static MCTargetStreamer *
97createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
98 return new SparcTargetELFStreamer(S, STI);
99}
100
101static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
102 formatted_raw_ostream &OS,
103 MCInstPrinter *InstPrint) {
104 return new SparcTargetAsmStreamer(S, OS);
105}
106
107static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
108 return new SparcTargetStreamer(S);
109}
110
111static MCInstPrinter *createSparcMCInstPrinter(const Triple &T,
112 unsigned SyntaxVariant,
113 const MCAsmInfo &MAI,
114 const MCInstrInfo &MII,
115 const MCRegisterInfo &MRI) {
116 return new SparcInstPrinter(MAI, MII, MRI);
117}
118
119extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void
120LLVMInitializeSparcTargetMC() {
121 // Register the MC asm info.
122 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo);
123 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo);
124 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo);
125
126 for (Target *T :
127 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) {
128 // Register the MC instruction info.
129 TargetRegistry::RegisterMCInstrInfo(T&: *T, Fn: createSparcMCInstrInfo);
130
131 // Register the MC register info.
132 TargetRegistry::RegisterMCRegInfo(T&: *T, Fn: createSparcMCRegisterInfo);
133
134 // Register the MC subtarget info.
135 TargetRegistry::RegisterMCSubtargetInfo(T&: *T, Fn: createSparcMCSubtargetInfo);
136
137 // Register the MC Code Emitter.
138 TargetRegistry::RegisterMCCodeEmitter(T&: *T, Fn: createSparcMCCodeEmitter);
139
140 // Register the asm backend.
141 TargetRegistry::RegisterMCAsmBackend(T&: *T, Fn: createSparcAsmBackend);
142
143 // Register the object target streamer.
144 TargetRegistry::RegisterObjectTargetStreamer(T&: *T,
145 Fn: createObjectTargetStreamer);
146
147 // Register the asm streamer.
148 TargetRegistry::RegisterAsmTargetStreamer(T&: *T, Fn: createTargetAsmStreamer);
149
150 // Register the null streamer.
151 TargetRegistry::RegisterNullTargetStreamer(T&: *T, Fn: createNullTargetStreamer);
152
153 // Register the MCInstPrinter
154 TargetRegistry::RegisterMCInstPrinter(T&: *T, Fn: createSparcMCInstPrinter);
155 }
156}
157