diff options
Diffstat (limited to 'lib/Target/WebAssembly/MCTargetDesc')
7 files changed, 236 insertions, 0 deletions
diff --git a/lib/Target/WebAssembly/MCTargetDesc/CMakeLists.txt b/lib/Target/WebAssembly/MCTargetDesc/CMakeLists.txt new file mode 100644 index 00000000000..ccc0f0d7ccb --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/CMakeLists.txt @@ -0,0 +1,4 @@ +add_llvm_library(LLVMWebAssemblyDesc + WebAssemblyMCAsmInfo.cpp + WebAssemblyMCTargetDesc.cpp +) diff --git a/lib/Target/WebAssembly/MCTargetDesc/LLVMBuild.txt b/lib/Target/WebAssembly/MCTargetDesc/LLVMBuild.txt new file mode 100644 index 00000000000..ce7cb5dd4da --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/LLVMBuild.txt @@ -0,0 +1,23 @@ +;===- ./lib/Target/WebAssembly/MCTargetDesc/LLVMBuild.txt ------*- Conf -*--===; +; +; The LLVM Compiler Infrastructure +; +; This file is distributed under the University of Illinois Open Source +; License. See LICENSE.TXT for details. +; +;===------------------------------------------------------------------------===; +; +; This is an LLVMBuild description file for the components in this subdirectory. +; +; For more information on the LLVMBuild system, please see: +; +; http://llvm.org/docs/LLVMBuild.html +; +;===------------------------------------------------------------------------===; + +[component_0] +type = Library +name = WebAssemblyDesc +parent = WebAssembly +required_libraries = MC Support WebAssemblyAsmPrinter WebAssemblyInfo +add_to_library_groups = WebAssembly diff --git a/lib/Target/WebAssembly/MCTargetDesc/Makefile b/lib/Target/WebAssembly/MCTargetDesc/Makefile new file mode 100644 index 00000000000..11dcb4ff607 --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/Makefile @@ -0,0 +1,16 @@ +##===- lib/Target/WebAssembly/TargetDesc/Makefile ----------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## + +LEVEL = ../../../.. +LIBRARYNAME = LLVMWebAssemblyDesc + +# Hack: we need to include 'main' target directory to grab private headers +CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/.. + +include $(LEVEL)/Makefile.common diff --git a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp new file mode 100644 index 00000000000..55346f71c6f --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp @@ -0,0 +1,53 @@ +//===-- WebAssemblyMCAsmInfo.cpp - WebAssembly asm properties -------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief This file contains the declarations of the WebAssemblyMCAsmInfo +/// properties. +/// +//===----------------------------------------------------------------------===// + +#include "WebAssemblyMCAsmInfo.h" +#include "llvm/ADT/Triple.h" +#include "llvm/Support/CommandLine.h" +using namespace llvm; + +#define DEBUG_TYPE "wasm-mc-asm-info" + +WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() {} + +WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) { + PointerSize = CalleeSaveStackSlotSize = T.isArch64Bit(); + + // TODO: What should MaxInstLength be? + + PrivateGlobalPrefix = ""; + PrivateLabelPrefix = ""; + + UseDataRegionDirectives = true; + + Data8bitsDirective = "\t.int8\t"; + Data16bitsDirective = "\t.int16\t"; + Data32bitsDirective = "\t.int32\t"; + Data64bitsDirective = "\t.int64\t"; + + AlignmentIsInBytes = false; + COMMDirectiveAlignmentIsInBytes = false; + LCOMMDirectiveAlignmentType = LCOMM::Log2Alignment; + + HasDotTypeDotSizeDirective = false; + HasSingleParameterDotFile = false; + + SupportsDebugInformation = true; + + // For now, WebAssembly does not support exceptions. + ExceptionsType = ExceptionHandling::None; + + // TODO: UseIntegratedAssembler? +} diff --git a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.h b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.h new file mode 100644 index 00000000000..d2b8fb7748f --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.h @@ -0,0 +1,32 @@ +//===-- WebAssemblyMCAsmInfo.h - WebAssembly asm properties -----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief This file contains the declaration of the WebAssemblyMCAsmInfo class. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCASMINFO_H +#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCASMINFO_H + +#include "llvm/MC/MCAsmInfo.h" + +namespace llvm { + +class Triple; + +class WebAssemblyMCAsmInfo final : public MCAsmInfo { +public: + explicit WebAssemblyMCAsmInfo(const Triple &T); + ~WebAssemblyMCAsmInfo() override; +}; + +} // end namespace llvm + +#endif diff --git a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp new file mode 100644 index 00000000000..f74d2e85392 --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.cpp @@ -0,0 +1,56 @@ +//===-- WebAssemblyMCTargetDesc.cpp - WebAssembly Target Descriptions -----===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief This file provides WebAssembly-specific target descriptions. +/// +//===----------------------------------------------------------------------===// + +#include "WebAssemblyMCTargetDesc.h" +#include "InstPrinter/WebAssemblyInstPrinter.h" +#include "WebAssemblyMCAsmInfo.h" +#include "llvm/MC/MCCodeGenInfo.h" +#include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCStreamer.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/TargetRegistry.h" +using namespace llvm; + +#define DEBUG_TYPE "wasm-mc-target-desc" + +#define GET_SUBTARGETINFO_MC_DESC +#include "WebAssemblyGenSubtargetInfo.inc" + +static MCAsmInfo *createWebAssemblyMCAsmInfo(const MCRegisterInfo &MRI, + const Triple &TT) { + MCAsmInfo *MAI = new WebAssemblyMCAsmInfo(TT); + return MAI; +} + +static MCInstPrinter * +createWebAssemblyMCInstPrinter(const Triple &T, unsigned SyntaxVariant, + const MCAsmInfo &MAI, const MCInstrInfo &MII, + const MCRegisterInfo &MRI) { + if (SyntaxVariant == 0 || SyntaxVariant == 1) + return new WebAssemblyInstPrinter(MAI, MII, MRI); + return nullptr; +} + +// Force static initialization. +extern "C" void LLVMInitializeWebAssemblyTargetMC() { + for (Target *T : {&TheWebAssemblyTarget}) { + // Register the MC asm info. + RegisterMCAsmInfoFn X(*T, createWebAssemblyMCAsmInfo); + + // Register the MCInstPrinter. + TargetRegistry::RegisterMCInstPrinter(*T, createWebAssemblyMCInstPrinter); + } +} diff --git a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h new file mode 100644 index 00000000000..19c0737ffbf --- /dev/null +++ b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h @@ -0,0 +1,52 @@ +//==- WebAssemblyMCTargetDesc.h - WebAssembly Target Descriptions -*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// \brief This file provides WebAssembly-specific target descriptions. +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H +#define LLVM_LIB_TARGET_WEBASSEMBLY_MCTARGETDESC_WEBASSEMBLYMCTARGETDESC_H + +#include "llvm/Support/DataTypes.h" +#include <string> + +namespace llvm { + +class formatted_raw_ostream; +class MCAsmBackend; +class MCCodeEmitter; +class MCContext; +class MCInstrInfo; +class MCRegisterInfo; +class MCObjectWriter; +class MCStreamer; +class MCSubtargetInfo; +class MCTargetStreamer; +class StringRef; +class Target; +class Triple; +class raw_ostream; + +extern Target TheWebAssemblyTarget; + +MCAsmBackend *createWebAssemblyAsmBackend(const Target &T, + const MCRegisterInfo &MRI, + StringRef TT, StringRef CPU); + +} // end namespace llvm + +// Defines symbolic names for WebAssembly registers. This defines a mapping from +// register name to register number. +// +#define GET_SUBTARGETINFO_ENUM +#include "WebAssemblyGenSubtargetInfo.inc" + +#endif |