1 //===-- WebAssemblyMCTargetDesc.cpp - WebAssembly 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 /// \file
11 /// \brief This file provides WebAssembly-specific target descriptions.
12 ///
13 //===----------------------------------------------------------------------===//
14
15 #include "WebAssemblyMCTargetDesc.h"
16 #include "InstPrinter/WebAssemblyInstPrinter.h"
17 #include "WebAssemblyMCAsmInfo.h"
18 #include "llvm/MC/MCCodeGenInfo.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 using namespace llvm;
26
27 #define DEBUG_TYPE "wasm-mc-target-desc"
28
29 #define GET_INSTRINFO_MC_DESC
30 #include "WebAssemblyGenInstrInfo.inc"
31
32 #define GET_SUBTARGETINFO_MC_DESC
33 #include "WebAssemblyGenSubtargetInfo.inc"
34
35 #define GET_REGINFO_MC_DESC
36 #include "WebAssemblyGenRegisterInfo.inc"
37
createWebAssemblyMCAsmInfo(const MCRegisterInfo &,const Triple & TT)38 static MCAsmInfo *createWebAssemblyMCAsmInfo(const MCRegisterInfo & /*MRI*/,
39 const Triple &TT) {
40 return new WebAssemblyMCAsmInfo(TT);
41 }
42
createWebAssemblyMCInstrInfo()43 static MCInstrInfo *createWebAssemblyMCInstrInfo() {
44 MCInstrInfo *X = new MCInstrInfo();
45 InitWebAssemblyMCInstrInfo(X);
46 return X;
47 }
48
createWebAssemblyMCStreamer(const Triple & T,MCContext & Ctx,MCAsmBackend & MAB,raw_pwrite_stream & OS,MCCodeEmitter * Emitter,bool RelaxAll)49 static MCStreamer *createWebAssemblyMCStreamer(const Triple &T, MCContext &Ctx,
50 MCAsmBackend &MAB,
51 raw_pwrite_stream &OS,
52 MCCodeEmitter *Emitter,
53 bool RelaxAll) {
54 return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
55 }
56
57 static MCInstPrinter *
createWebAssemblyMCInstPrinter(const Triple &,unsigned SyntaxVariant,const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)58 createWebAssemblyMCInstPrinter(const Triple & /*T*/, unsigned SyntaxVariant,
59 const MCAsmInfo &MAI, const MCInstrInfo &MII,
60 const MCRegisterInfo &MRI) {
61 assert(SyntaxVariant == 0);
62 return new WebAssemblyInstPrinter(MAI, MII, MRI);
63 }
64
65 // Force static initialization.
LLVMInitializeWebAssemblyTargetMC()66 extern "C" void LLVMInitializeWebAssemblyTargetMC() {
67 for (Target *T : {&TheWebAssemblyTarget32, &TheWebAssemblyTarget64}) {
68 // Register the MC asm info.
69 RegisterMCAsmInfoFn X(*T, createWebAssemblyMCAsmInfo);
70
71 // Register the MC instruction info.
72 TargetRegistry::RegisterMCInstrInfo(*T, createWebAssemblyMCInstrInfo);
73
74 // Register the object streamer
75 TargetRegistry::RegisterELFStreamer(*T, createWebAssemblyMCStreamer);
76
77 // Register the MCInstPrinter.
78 TargetRegistry::RegisterMCInstPrinter(*T, createWebAssemblyMCInstPrinter);
79
80 // Register the MC code emitter
81 TargetRegistry::RegisterMCCodeEmitter(*T, createWebAssemblyMCCodeEmitter);
82
83 // Register the ASM Backend
84 TargetRegistry::RegisterMCAsmBackend(*T, createWebAssemblyAsmBackend);
85 }
86 }
87