1 //===- ARCMCTargetDesc.cpp - ARC Target Descriptions ------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file provides ARC specific target descriptions.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "ARCMCTargetDesc.h"
15 #include "ARCMCAsmInfo.h"
16 #include "ARCTargetStreamer.h"
17 #include "InstPrinter/ARCInstPrinter.h"
18 #include "llvm/MC/MCInstrInfo.h"
19 #include "llvm/MC/MCRegisterInfo.h"
20 #include "llvm/MC/MCSubtargetInfo.h"
21 #include "llvm/Support/ErrorHandling.h"
22 #include "llvm/Support/FormattedStream.h"
23 #include "llvm/Support/TargetRegistry.h"
24
25 using namespace llvm;
26
27 #define GET_INSTRINFO_MC_DESC
28 #include "ARCGenInstrInfo.inc"
29
30 #define GET_SUBTARGETINFO_MC_DESC
31 #include "ARCGenSubtargetInfo.inc"
32
33 #define GET_REGINFO_MC_DESC
34 #include "ARCGenRegisterInfo.inc"
35
createARCMCInstrInfo()36 static MCInstrInfo *createARCMCInstrInfo() {
37 auto *X = new MCInstrInfo();
38 InitARCMCInstrInfo(X);
39 return X;
40 }
41
createARCMCRegisterInfo(const Triple & TT)42 static MCRegisterInfo *createARCMCRegisterInfo(const Triple &TT) {
43 auto *X = new MCRegisterInfo();
44 InitARCMCRegisterInfo(X, ARC::BLINK);
45 return X;
46 }
47
createARCMCSubtargetInfo(const Triple & TT,StringRef CPU,StringRef FS)48 static MCSubtargetInfo *createARCMCSubtargetInfo(const Triple &TT,
49 StringRef CPU, StringRef FS) {
50 return createARCMCSubtargetInfoImpl(TT, CPU, FS);
51 }
52
createARCMCAsmInfo(const MCRegisterInfo & MRI,const Triple & TT)53 static MCAsmInfo *createARCMCAsmInfo(const MCRegisterInfo &MRI,
54 const Triple &TT) {
55 MCAsmInfo *MAI = new ARCMCAsmInfo(TT);
56
57 // Initial state of the frame pointer is SP.
58 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, ARC::SP, 0);
59 MAI->addInitialFrameState(Inst);
60
61 return MAI;
62 }
63
createARCMCInstPrinter(const Triple & T,unsigned SyntaxVariant,const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)64 static MCInstPrinter *createARCMCInstPrinter(const Triple &T,
65 unsigned SyntaxVariant,
66 const MCAsmInfo &MAI,
67 const MCInstrInfo &MII,
68 const MCRegisterInfo &MRI) {
69 return new ARCInstPrinter(MAI, MII, MRI);
70 }
71
ARCTargetStreamer(MCStreamer & S)72 ARCTargetStreamer::ARCTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
73 ARCTargetStreamer::~ARCTargetStreamer() = default;
74
createTargetAsmStreamer(MCStreamer & S,formatted_raw_ostream & OS,MCInstPrinter * InstPrint,bool isVerboseAsm)75 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
76 formatted_raw_ostream &OS,
77 MCInstPrinter *InstPrint,
78 bool isVerboseAsm) {
79 return new ARCTargetStreamer(S);
80 }
81
82 // Force static initialization.
LLVMInitializeARCTargetMC()83 extern "C" void LLVMInitializeARCTargetMC() {
84 // Register the MC asm info.
85 Target &TheARCTarget = getTheARCTarget();
86 RegisterMCAsmInfoFn X(TheARCTarget, createARCMCAsmInfo);
87
88 // Register the MC instruction info.
89 TargetRegistry::RegisterMCInstrInfo(TheARCTarget, createARCMCInstrInfo);
90
91 // Register the MC register info.
92 TargetRegistry::RegisterMCRegInfo(TheARCTarget, createARCMCRegisterInfo);
93
94 // Register the MC subtarget info.
95 TargetRegistry::RegisterMCSubtargetInfo(TheARCTarget,
96 createARCMCSubtargetInfo);
97
98 // Register the MCInstPrinter
99 TargetRegistry::RegisterMCInstPrinter(TheARCTarget, createARCMCInstPrinter);
100
101 TargetRegistry::RegisterAsmTargetStreamer(TheARCTarget,
102 createTargetAsmStreamer);
103 }
104