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"
25using 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
38static MCAsmInfo *createWebAssemblyMCAsmInfo(const MCRegisterInfo & /*MRI*/,
39                                             const Triple &TT) {
40  return new WebAssemblyMCAsmInfo(TT);
41}
42
43static MCInstrInfo *createWebAssemblyMCInstrInfo() {
44  MCInstrInfo *X = new MCInstrInfo();
45  InitWebAssemblyMCInstrInfo(X);
46  return X;
47}
48
49static 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
57static MCInstPrinter *
58createWebAssemblyMCInstPrinter(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.
66extern "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