1 //===-- RISCVMCTargetDesc.cpp - RISCV Target Descriptions -----------------===//
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 RISCV-specific target descriptions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #include "RISCVMCTargetDesc.h"
15 #include "InstPrinter/RISCVInstPrinter.h"
16 #include "RISCVMCAsmInfo.h"
17 #include "llvm/ADT/STLExtras.h"
18 #include "llvm/MC/MCAsmInfo.h"
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
21 #include "llvm/MC/MCStreamer.h"
22 #include "llvm/MC/MCSubtargetInfo.h"
23 #include "llvm/Support/ErrorHandling.h"
24 #include "llvm/Support/TargetRegistry.h"
25 
26 #define GET_INSTRINFO_MC_DESC
27 #include "RISCVGenInstrInfo.inc"
28 
29 #define GET_REGINFO_MC_DESC
30 #include "RISCVGenRegisterInfo.inc"
31 
32 using namespace llvm;
33 
34 static MCInstrInfo *createRISCVMCInstrInfo() {
35   MCInstrInfo *X = new MCInstrInfo();
36   InitRISCVMCInstrInfo(X);
37   return X;
38 }
39 
40 static MCRegisterInfo *createRISCVMCRegisterInfo(const Triple &TT) {
41   MCRegisterInfo *X = new MCRegisterInfo();
42   InitRISCVMCRegisterInfo(X, RISCV::X1_32);
43   return X;
44 }
45 
46 static MCAsmInfo *createRISCVMCAsmInfo(const MCRegisterInfo &MRI,
47                                        const Triple &TT) {
48   return new RISCVMCAsmInfo(TT);
49 }
50 
51 static MCInstPrinter *createRISCVMCInstPrinter(const Triple &T,
52                                                unsigned SyntaxVariant,
53                                                const MCAsmInfo &MAI,
54                                                const MCInstrInfo &MII,
55                                                const MCRegisterInfo &MRI) {
56   return new RISCVInstPrinter(MAI, MII, MRI);
57 }
58 
59 extern "C" void LLVMInitializeRISCVTargetMC() {
60   for (Target *T : {&getTheRISCV32Target(), &getTheRISCV64Target()}) {
61     TargetRegistry::RegisterMCAsmInfo(*T, createRISCVMCAsmInfo);
62     TargetRegistry::RegisterMCInstrInfo(*T, createRISCVMCInstrInfo);
63     TargetRegistry::RegisterMCRegInfo(*T, createRISCVMCRegisterInfo);
64     TargetRegistry::RegisterMCAsmBackend(*T, createRISCVAsmBackend);
65     TargetRegistry::RegisterMCCodeEmitter(*T, createRISCVMCCodeEmitter);
66     TargetRegistry::RegisterMCInstPrinter(*T, createRISCVMCInstPrinter);
67   }
68 }
69