WebAssemblyMCTargetDesc.cpp revision 360784
1219820Sjeff//===-- WebAssemblyMCTargetDesc.cpp - WebAssembly Target Descriptions -----===// 2219820Sjeff// 3219820Sjeff// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4219820Sjeff// See https://llvm.org/LICENSE.txt for license information. 5219820Sjeff// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6219820Sjeff// 7219820Sjeff//===----------------------------------------------------------------------===// 8219820Sjeff/// 9219820Sjeff/// \file 10219820Sjeff/// This file provides WebAssembly-specific target descriptions. 11219820Sjeff/// 12219820Sjeff//===----------------------------------------------------------------------===// 13219820Sjeff 14219820Sjeff#include "MCTargetDesc/WebAssemblyMCTargetDesc.h" 15219820Sjeff#include "MCTargetDesc/WebAssemblyInstPrinter.h" 16219820Sjeff#include "MCTargetDesc/WebAssemblyMCAsmInfo.h" 17219820Sjeff#include "MCTargetDesc/WebAssemblyTargetStreamer.h" 18219820Sjeff#include "TargetInfo/WebAssemblyTargetInfo.h" 19219820Sjeff#include "llvm/MC/MCInstrInfo.h" 20219820Sjeff#include "llvm/MC/MCRegisterInfo.h" 21219820Sjeff#include "llvm/MC/MCSubtargetInfo.h" 22219820Sjeff#include "llvm/Support/ErrorHandling.h" 23219820Sjeff#include "llvm/Support/TargetRegistry.h" 24219820Sjeffusing namespace llvm; 25219820Sjeff 26219820Sjeff#define DEBUG_TYPE "wasm-mc-target-desc" 27219820Sjeff 28219820Sjeff#define GET_INSTRINFO_MC_DESC 29219820Sjeff#include "WebAssemblyGenInstrInfo.inc" 30219820Sjeff 31219820Sjeff#define GET_SUBTARGETINFO_MC_DESC 32219820Sjeff#include "WebAssemblyGenSubtargetInfo.inc" 33219820Sjeff 34219820Sjeff#define GET_REGINFO_MC_DESC 35219820Sjeff#include "WebAssemblyGenRegisterInfo.inc" 36219820Sjeff 37219820Sjeffstatic MCAsmInfo *createMCAsmInfo(const MCRegisterInfo & /*MRI*/, 38219820Sjeff const Triple &TT, 39219820Sjeff const MCTargetOptions &Options) { 40219820Sjeff return new WebAssemblyMCAsmInfo(TT, Options); 41219820Sjeff} 42219820Sjeff 43219820Sjeffstatic MCInstrInfo *createMCInstrInfo() { 44219820Sjeff auto *X = new MCInstrInfo(); 45219820Sjeff InitWebAssemblyMCInstrInfo(X); 46219820Sjeff return X; 47219820Sjeff} 48219820Sjeff 49219820Sjeffstatic MCRegisterInfo *createMCRegisterInfo(const Triple & /*T*/) { 50219820Sjeff auto *X = new MCRegisterInfo(); 51219820Sjeff InitWebAssemblyMCRegisterInfo(X, 0); 52219820Sjeff return X; 53219820Sjeff} 54219820Sjeff 55219820Sjeffstatic MCInstPrinter *createMCInstPrinter(const Triple & /*T*/, 56219820Sjeff unsigned SyntaxVariant, 57219820Sjeff const MCAsmInfo &MAI, 58219820Sjeff const MCInstrInfo &MII, 59219820Sjeff const MCRegisterInfo &MRI) { 60219820Sjeff assert(SyntaxVariant == 0 && "WebAssembly only has one syntax variant"); 61219820Sjeff return new WebAssemblyInstPrinter(MAI, MII, MRI); 62219820Sjeff} 63219820Sjeff 64219820Sjeffstatic MCCodeEmitter *createCodeEmitter(const MCInstrInfo &MCII, 65219820Sjeff const MCRegisterInfo & /*MRI*/, 66219820Sjeff MCContext &Ctx) { 67219820Sjeff return createWebAssemblyMCCodeEmitter(MCII); 68219820Sjeff} 69219820Sjeff 70219820Sjeffstatic MCAsmBackend *createAsmBackend(const Target & /*T*/, 71219820Sjeff const MCSubtargetInfo &STI, 72219820Sjeff const MCRegisterInfo & /*MRI*/, 73219820Sjeff const MCTargetOptions & /*Options*/) { 74219820Sjeff return createWebAssemblyAsmBackend(STI.getTargetTriple()); 75219820Sjeff} 76219820Sjeff 77219820Sjeffstatic MCSubtargetInfo *createMCSubtargetInfo(const Triple &TT, StringRef CPU, 78219820Sjeff StringRef FS) { 79219820Sjeff return createWebAssemblyMCSubtargetInfoImpl(TT, CPU, FS); 80219820Sjeff} 81219820Sjeff 82219820Sjeffstatic MCTargetStreamer * 83219820SjeffcreateObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { 84219820Sjeff return new WebAssemblyTargetWasmStreamer(S); 85219820Sjeff} 86219820Sjeff 87219820Sjeffstatic MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S, 88219820Sjeff formatted_raw_ostream &OS, 89219820Sjeff MCInstPrinter * /*InstPrint*/, 90219820Sjeff bool /*isVerboseAsm*/) { 91219820Sjeff return new WebAssemblyTargetAsmStreamer(S, OS); 92219820Sjeff} 93219820Sjeff 94219820Sjeffstatic MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) { 95219820Sjeff return new WebAssemblyTargetNullStreamer(S); 96219820Sjeff} 97219820Sjeff 98219820Sjeff// Force static initialization. 99219820Sjeffextern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeWebAssemblyTargetMC() { 100219820Sjeff for (Target *T : 101219820Sjeff {&getTheWebAssemblyTarget32(), &getTheWebAssemblyTarget64()}) { 102219820Sjeff // Register the MC asm info. 103219820Sjeff RegisterMCAsmInfoFn X(*T, createMCAsmInfo); 104219820Sjeff 105219820Sjeff // Register the MC instruction info. 106219820Sjeff TargetRegistry::RegisterMCInstrInfo(*T, createMCInstrInfo); 107219820Sjeff 108219820Sjeff // Register the MC register info. 109219820Sjeff TargetRegistry::RegisterMCRegInfo(*T, createMCRegisterInfo); 110219820Sjeff 111219820Sjeff // Register the MCInstPrinter. 112219820Sjeff TargetRegistry::RegisterMCInstPrinter(*T, createMCInstPrinter); 113219820Sjeff 114219820Sjeff // Register the MC code emitter. 115219820Sjeff TargetRegistry::RegisterMCCodeEmitter(*T, createCodeEmitter); 116219820Sjeff 117219820Sjeff // Register the ASM Backend. 118219820Sjeff TargetRegistry::RegisterMCAsmBackend(*T, createAsmBackend); 119219820Sjeff 120219820Sjeff // Register the MC subtarget info. 121219820Sjeff TargetRegistry::RegisterMCSubtargetInfo(*T, createMCSubtargetInfo); 122219820Sjeff 123219820Sjeff // Register the object target streamer. 124219820Sjeff TargetRegistry::RegisterObjectTargetStreamer(*T, 125219820Sjeff createObjectTargetStreamer); 126219820Sjeff // Register the asm target streamer. 127219820Sjeff TargetRegistry::RegisterAsmTargetStreamer(*T, createAsmTargetStreamer); 128219820Sjeff // Register the null target streamer. 129219820Sjeff TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer); 130219820Sjeff } 131219820Sjeff} 132219820Sjeff 133219820Sjeffwasm::ValType WebAssembly::toValType(const MVT &Ty) { 134219820Sjeff switch (Ty.SimpleTy) { 135219820Sjeff case MVT::i32: 136219820Sjeff return wasm::ValType::I32; 137219820Sjeff case MVT::i64: 138219820Sjeff return wasm::ValType::I64; 139219820Sjeff case MVT::f32: 140219820Sjeff return wasm::ValType::F32; 141219820Sjeff case MVT::f64: 142219820Sjeff return wasm::ValType::F64; 143219820Sjeff case MVT::v16i8: 144219820Sjeff case MVT::v8i16: 145219820Sjeff case MVT::v4i32: 146219820Sjeff case MVT::v2i64: 147219820Sjeff case MVT::v4f32: 148219820Sjeff case MVT::v2f64: 149219820Sjeff return wasm::ValType::V128; 150219820Sjeff case MVT::exnref: 151219820Sjeff return wasm::ValType::EXNREF; 152219820Sjeff default: 153219820Sjeff llvm_unreachable("unexpected type"); 154219820Sjeff } 155219820Sjeff} 156219820Sjeff