xref: /freebsd/contrib/llvm-project/llvm/lib/Target/AVR/MCTargetDesc/AVRMCTargetDesc.cpp (revision e32fecd0c2c3ee37c47ee100f169e7eb0282a873)
1 //===-- AVRMCTargetDesc.cpp - AVR 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 AVR specific target descriptions.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "AVRMCTargetDesc.h"
14 #include "AVRELFStreamer.h"
15 #include "AVRInstPrinter.h"
16 #include "AVRMCAsmInfo.h"
17 #include "AVRMCELFStreamer.h"
18 #include "AVRTargetStreamer.h"
19 #include "TargetInfo/AVRTargetInfo.h"
20 
21 #include "llvm/MC/MCAsmBackend.h"
22 #include "llvm/MC/MCCodeEmitter.h"
23 #include "llvm/MC/MCELFStreamer.h"
24 #include "llvm/MC/MCInstrInfo.h"
25 #include "llvm/MC/MCRegisterInfo.h"
26 #include "llvm/MC/MCSubtargetInfo.h"
27 #include "llvm/MC/TargetRegistry.h"
28 
29 #define GET_INSTRINFO_MC_DESC
30 #define ENABLE_INSTR_PREDICATE_VERIFIER
31 #include "AVRGenInstrInfo.inc"
32 
33 #define GET_SUBTARGETINFO_MC_DESC
34 #include "AVRGenSubtargetInfo.inc"
35 
36 #define GET_REGINFO_MC_DESC
37 #include "AVRGenRegisterInfo.inc"
38 
39 using namespace llvm;
40 
41 MCInstrInfo *llvm::createAVRMCInstrInfo() {
42   MCInstrInfo *X = new MCInstrInfo();
43   InitAVRMCInstrInfo(X);
44 
45   return X;
46 }
47 
48 static MCRegisterInfo *createAVRMCRegisterInfo(const Triple &TT) {
49   MCRegisterInfo *X = new MCRegisterInfo();
50   InitAVRMCRegisterInfo(X, 0);
51 
52   return X;
53 }
54 
55 static MCSubtargetInfo *createAVRMCSubtargetInfo(const Triple &TT,
56                                                  StringRef CPU, StringRef FS) {
57   return createAVRMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
58 }
59 
60 static MCInstPrinter *createAVRMCInstPrinter(const Triple &T,
61                                              unsigned SyntaxVariant,
62                                              const MCAsmInfo &MAI,
63                                              const MCInstrInfo &MII,
64                                              const MCRegisterInfo &MRI) {
65   if (SyntaxVariant == 0) {
66     return new AVRInstPrinter(MAI, MII, MRI);
67   }
68 
69   return nullptr;
70 }
71 
72 static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context,
73                                     std::unique_ptr<MCAsmBackend> &&MAB,
74                                     std::unique_ptr<MCObjectWriter> &&OW,
75                                     std::unique_ptr<MCCodeEmitter> &&Emitter,
76                                     bool RelaxAll) {
77   return createELFStreamer(Context, std::move(MAB), std::move(OW),
78                            std::move(Emitter), RelaxAll);
79 }
80 
81 static MCTargetStreamer *
82 createAVRObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
83   return new AVRELFStreamer(S, STI);
84 }
85 
86 static MCTargetStreamer *createMCAsmTargetStreamer(MCStreamer &S,
87                                                    formatted_raw_ostream &OS,
88                                                    MCInstPrinter *InstPrint,
89                                                    bool isVerboseAsm) {
90   return new AVRTargetAsmStreamer(S);
91 }
92 
93 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAVRTargetMC() {
94   // Register the MC asm info.
95   RegisterMCAsmInfo<AVRMCAsmInfo> X(getTheAVRTarget());
96 
97   // Register the MC instruction info.
98   TargetRegistry::RegisterMCInstrInfo(getTheAVRTarget(), createAVRMCInstrInfo);
99 
100   // Register the MC register info.
101   TargetRegistry::RegisterMCRegInfo(getTheAVRTarget(), createAVRMCRegisterInfo);
102 
103   // Register the MC subtarget info.
104   TargetRegistry::RegisterMCSubtargetInfo(getTheAVRTarget(),
105                                           createAVRMCSubtargetInfo);
106 
107   // Register the MCInstPrinter.
108   TargetRegistry::RegisterMCInstPrinter(getTheAVRTarget(),
109                                         createAVRMCInstPrinter);
110 
111   // Register the MC Code Emitter
112   TargetRegistry::RegisterMCCodeEmitter(getTheAVRTarget(),
113                                         createAVRMCCodeEmitter);
114 
115   // Register the obj streamer
116   TargetRegistry::RegisterELFStreamer(getTheAVRTarget(), createMCStreamer);
117 
118   // Register the obj target streamer.
119   TargetRegistry::RegisterObjectTargetStreamer(getTheAVRTarget(),
120                                                createAVRObjectTargetStreamer);
121 
122   // Register the asm target streamer.
123   TargetRegistry::RegisterAsmTargetStreamer(getTheAVRTarget(),
124                                             createMCAsmTargetStreamer);
125 
126   // Register the asm backend (as little endian).
127   TargetRegistry::RegisterMCAsmBackend(getTheAVRTarget(), createAVRAsmBackend);
128 }
129