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
24namespace llvm {
25namespace SparcASITag {
26#define GET_ASITagsList_IMPL
27#include "SparcGenSearchableTables.inc"
28} // end namespace SparcASITag
29
30namespace SparcPrefetchTag {
31#define GET_PrefetchTagsList_IMPL
32#include "SparcGenSearchableTables.inc"
33} // end namespace SparcPrefetchTag
34} // end namespace llvm
35
36using 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
48static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI,
49 const Triple &TT,
50 const MCTargetOptions &Options) {
51 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
52 unsigned Reg = MRI.getDwarfRegNum(RegNum: SP::O6, isEH: true);
53 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(L: nullptr, Register: Reg, Offset: 0);
54 MAI->addInitialFrameState(Inst);
55 return MAI;
56}
57
58static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
59 const Triple &TT,
60 const MCTargetOptions &Options) {
61 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
62 unsigned Reg = MRI.getDwarfRegNum(RegNum: SP::O6, isEH: true);
63 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(L: nullptr, Register: Reg, Offset: 2047);
64 MAI->addInitialFrameState(Inst);
65 return MAI;
66}
67
68static MCInstrInfo *createSparcMCInstrInfo() {
69 MCInstrInfo *X = new MCInstrInfo();
70 InitSparcMCInstrInfo(II: X);
71 return X;
72}
73
74static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) {
75 MCRegisterInfo *X = new MCRegisterInfo();
76 InitSparcMCRegisterInfo(RI: X, RA: SP::O7);
77 return X;
78}
79
80static MCSubtargetInfo *
81createSparcMCSubtargetInfo(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
87static MCTargetStreamer *
88createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
89 return new SparcTargetELFStreamer(S);
90}
91
92static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
93 formatted_raw_ostream &OS,
94 MCInstPrinter *InstPrint) {
95 return new SparcTargetAsmStreamer(S, OS);
96}
97
98static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
99 return new SparcTargetStreamer(S);
100}
101
102static 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
110extern "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&: *T, Fn: createSparcMCInstrInfo);
120
121 // Register the MC register info.
122 TargetRegistry::RegisterMCRegInfo(T&: *T, Fn: createSparcMCRegisterInfo);
123
124 // Register the MC subtarget info.
125 TargetRegistry::RegisterMCSubtargetInfo(T&: *T, Fn: createSparcMCSubtargetInfo);
126
127 // Register the MC Code Emitter.
128 TargetRegistry::RegisterMCCodeEmitter(T&: *T, Fn: createSparcMCCodeEmitter);
129
130 // Register the asm backend.
131 TargetRegistry::RegisterMCAsmBackend(T&: *T, Fn: createSparcAsmBackend);
132
133 // Register the object target streamer.
134 TargetRegistry::RegisterObjectTargetStreamer(T&: *T,
135 Fn: createObjectTargetStreamer);
136
137 // Register the asm streamer.
138 TargetRegistry::RegisterAsmTargetStreamer(T&: *T, Fn: createTargetAsmStreamer);
139
140 // Register the null streamer.
141 TargetRegistry::RegisterNullTargetStreamer(T&: *T, Fn: createNullTargetStreamer);
142
143 // Register the MCInstPrinter
144 TargetRegistry::RegisterMCInstPrinter(T&: *T, Fn: createSparcMCInstPrinter);
145 }
146}
147