diff options
Diffstat (limited to 'contrib/llvm/lib/ObjectYAML/WasmYAML.cpp')
| -rw-r--r-- | contrib/llvm/lib/ObjectYAML/WasmYAML.cpp | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/contrib/llvm/lib/ObjectYAML/WasmYAML.cpp b/contrib/llvm/lib/ObjectYAML/WasmYAML.cpp new file mode 100644 index 0000000..6a68cd2 --- /dev/null +++ b/contrib/llvm/lib/ObjectYAML/WasmYAML.cpp @@ -0,0 +1,411 @@ +//===- WasmYAML.cpp - Wasm YAMLIO implementation --------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines classes for handling the YAML representation of wasm. +// +//===----------------------------------------------------------------------===// + +#include "llvm/ObjectYAML/WasmYAML.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/Casting.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/YAMLTraits.h" + +namespace llvm { + +namespace WasmYAML { + +// Declared here rather than in the header to comply with: +// http://llvm.org/docs/CodingStandards.html#provide-a-virtual-method-anchor-for-classes-in-headers +Section::~Section() = default; + +} // end namespace WasmYAML + +namespace yaml { + +void MappingTraits<WasmYAML::FileHeader>::mapping( + IO &IO, WasmYAML::FileHeader &FileHdr) { + IO.mapRequired("Version", FileHdr.Version); +} + +void MappingTraits<WasmYAML::Object>::mapping(IO &IO, + WasmYAML::Object &Object) { + IO.setContext(&Object); + IO.mapTag("!WASM", true); + IO.mapRequired("FileHeader", Object.Header); + IO.mapOptional("Sections", Object.Sections); + IO.setContext(nullptr); +} + +static void commonSectionMapping(IO &IO, WasmYAML::Section &Section) { + IO.mapRequired("Type", Section.Type); + IO.mapOptional("Relocations", Section.Relocations); +} + +static void sectionMapping(IO &IO, WasmYAML::NameSection &Section) { + commonSectionMapping(IO, Section); + IO.mapRequired("Name", Section.Name); + IO.mapOptional("FunctionNames", Section.FunctionNames); +} + +static void sectionMapping(IO &IO, WasmYAML::LinkingSection &Section) { + commonSectionMapping(IO, Section); + IO.mapRequired("Name", Section.Name); + IO.mapRequired("DataSize", Section.DataSize); + IO.mapRequired("DataAlignment", Section.DataAlignment); + IO.mapRequired("SymbolInfo", Section.SymbolInfos); +} + +static void sectionMapping(IO &IO, WasmYAML::CustomSection &Section) { + commonSectionMapping(IO, Section); + IO.mapRequired("Name", Section.Name); + IO.mapRequired("Payload", Section.Payload); +} + +static void sectionMapping(IO &IO, WasmYAML::TypeSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Signatures", Section.Signatures); +} + +static void sectionMapping(IO &IO, WasmYAML::ImportSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Imports", Section.Imports); +} + +static void sectionMapping(IO &IO, WasmYAML::FunctionSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("FunctionTypes", Section.FunctionTypes); +} + +static void sectionMapping(IO &IO, WasmYAML::TableSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Tables", Section.Tables); +} + +static void sectionMapping(IO &IO, WasmYAML::MemorySection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Memories", Section.Memories); +} + +static void sectionMapping(IO &IO, WasmYAML::GlobalSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Globals", Section.Globals); +} + +static void sectionMapping(IO &IO, WasmYAML::ExportSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Exports", Section.Exports); +} + +static void sectionMapping(IO &IO, WasmYAML::StartSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("StartFunction", Section.StartFunction); +} + +static void sectionMapping(IO &IO, WasmYAML::ElemSection &Section) { + commonSectionMapping(IO, Section); + IO.mapOptional("Segments", Section.Segments); +} + +static void sectionMapping(IO &IO, WasmYAML::CodeSection &Section) { + commonSectionMapping(IO, Section); + IO.mapRequired("Functions", Section.Functions); +} + +static void sectionMapping(IO &IO, WasmYAML::DataSection &Section) { + commonSectionMapping(IO, Section); + IO.mapRequired("Segments", Section.Segments); +} + +void MappingTraits<std::unique_ptr<WasmYAML::Section>>::mapping( + IO &IO, std::unique_ptr<WasmYAML::Section> &Section) { + WasmYAML::SectionType SectionType; + if (IO.outputting()) + SectionType = Section->Type; + else + IO.mapRequired("Type", SectionType); + + switch (SectionType) { + case wasm::WASM_SEC_CUSTOM: { + StringRef SectionName; + if (IO.outputting()) { + auto CustomSection = cast<WasmYAML::CustomSection>(Section.get()); + SectionName = CustomSection->Name; + } else { + IO.mapRequired("Name", SectionName); + } + if (SectionName == "linking") { + if (!IO.outputting()) + Section.reset(new WasmYAML::LinkingSection()); + sectionMapping(IO, *cast<WasmYAML::LinkingSection>(Section.get())); + } else if (SectionName == "name") { + if (!IO.outputting()) + Section.reset(new WasmYAML::NameSection()); + sectionMapping(IO, *cast<WasmYAML::NameSection>(Section.get())); + } else { + if (!IO.outputting()) + Section.reset(new WasmYAML::CustomSection(SectionName)); + sectionMapping(IO, *cast<WasmYAML::CustomSection>(Section.get())); + } + break; + } + case wasm::WASM_SEC_TYPE: + if (!IO.outputting()) + Section.reset(new WasmYAML::TypeSection()); + sectionMapping(IO, *cast<WasmYAML::TypeSection>(Section.get())); + break; + case wasm::WASM_SEC_IMPORT: + if (!IO.outputting()) + Section.reset(new WasmYAML::ImportSection()); + sectionMapping(IO, *cast<WasmYAML::ImportSection>(Section.get())); + break; + case wasm::WASM_SEC_FUNCTION: + if (!IO.outputting()) + Section.reset(new WasmYAML::FunctionSection()); + sectionMapping(IO, *cast<WasmYAML::FunctionSection>(Section.get())); + break; + case wasm::WASM_SEC_TABLE: + if (!IO.outputting()) + Section.reset(new WasmYAML::TableSection()); + sectionMapping(IO, *cast<WasmYAML::TableSection>(Section.get())); + break; + case wasm::WASM_SEC_MEMORY: + if (!IO.outputting()) + Section.reset(new WasmYAML::MemorySection()); + sectionMapping(IO, *cast<WasmYAML::MemorySection>(Section.get())); + break; + case wasm::WASM_SEC_GLOBAL: + if (!IO.outputting()) + Section.reset(new WasmYAML::GlobalSection()); + sectionMapping(IO, *cast<WasmYAML::GlobalSection>(Section.get())); + break; + case wasm::WASM_SEC_EXPORT: + if (!IO.outputting()) + Section.reset(new WasmYAML::ExportSection()); + sectionMapping(IO, *cast<WasmYAML::ExportSection>(Section.get())); + break; + case wasm::WASM_SEC_START: + if (!IO.outputting()) + Section.reset(new WasmYAML::StartSection()); + sectionMapping(IO, *cast<WasmYAML::StartSection>(Section.get())); + break; + case wasm::WASM_SEC_ELEM: + if (!IO.outputting()) + Section.reset(new WasmYAML::ElemSection()); + sectionMapping(IO, *cast<WasmYAML::ElemSection>(Section.get())); + break; + case wasm::WASM_SEC_CODE: + if (!IO.outputting()) + Section.reset(new WasmYAML::CodeSection()); + sectionMapping(IO, *cast<WasmYAML::CodeSection>(Section.get())); + break; + case wasm::WASM_SEC_DATA: + if (!IO.outputting()) + Section.reset(new WasmYAML::DataSection()); + sectionMapping(IO, *cast<WasmYAML::DataSection>(Section.get())); + break; + default: + llvm_unreachable("Unknown section type"); + } +} + +void ScalarEnumerationTraits<WasmYAML::SectionType>::enumeration( + IO &IO, WasmYAML::SectionType &Type) { +#define ECase(X) IO.enumCase(Type, #X, wasm::WASM_SEC_##X); + ECase(CUSTOM); + ECase(TYPE); + ECase(IMPORT); + ECase(FUNCTION); + ECase(TABLE); + ECase(MEMORY); + ECase(GLOBAL); + ECase(EXPORT); + ECase(START); + ECase(ELEM); + ECase(CODE); + ECase(DATA); +#undef ECase +} + +void MappingTraits<WasmYAML::Signature>::mapping( + IO &IO, WasmYAML::Signature &Signature) { + IO.mapOptional("Index", Signature.Index); + IO.mapRequired("ReturnType", Signature.ReturnType); + IO.mapRequired("ParamTypes", Signature.ParamTypes); +} + +void MappingTraits<WasmYAML::Table>::mapping(IO &IO, WasmYAML::Table &Table) { + IO.mapRequired("ElemType", Table.ElemType); + IO.mapRequired("Limits", Table.TableLimits); +} + +void MappingTraits<WasmYAML::Function>::mapping(IO &IO, + WasmYAML::Function &Function) { + IO.mapRequired("Locals", Function.Locals); + IO.mapRequired("Body", Function.Body); +} + +void MappingTraits<WasmYAML::Relocation>::mapping( + IO &IO, WasmYAML::Relocation &Relocation) { + IO.mapRequired("Type", Relocation.Type); + IO.mapRequired("Index", Relocation.Index); + IO.mapRequired("Offset", Relocation.Offset); + IO.mapOptional("Addend", Relocation.Addend, 0); +} + +void MappingTraits<WasmYAML::NameEntry>::mapping( + IO &IO, WasmYAML::NameEntry &NameEntry) { + IO.mapRequired("Index", NameEntry.Index); + IO.mapRequired("Name", NameEntry.Name); +} + +void MappingTraits<WasmYAML::LocalDecl>::mapping( + IO &IO, WasmYAML::LocalDecl &LocalDecl) { + IO.mapRequired("Type", LocalDecl.Type); + IO.mapRequired("Count", LocalDecl.Count); +} + +void MappingTraits<WasmYAML::Limits>::mapping(IO &IO, + WasmYAML::Limits &Limits) { + if (!IO.outputting() || Limits.Flags) + IO.mapOptional("Flags", Limits.Flags); + IO.mapRequired("Initial", Limits.Initial); + if (!IO.outputting() || Limits.Flags & wasm::WASM_LIMITS_FLAG_HAS_MAX) + IO.mapOptional("Maximum", Limits.Maximum); +} + +void MappingTraits<WasmYAML::ElemSegment>::mapping( + IO &IO, WasmYAML::ElemSegment &Segment) { + IO.mapRequired("Offset", Segment.Offset); + IO.mapRequired("Functions", Segment.Functions); +} + +void MappingTraits<WasmYAML::Import>::mapping(IO &IO, + WasmYAML::Import &Import) { + IO.mapRequired("Module", Import.Module); + IO.mapRequired("Field", Import.Field); + IO.mapRequired("Kind", Import.Kind); + if (Import.Kind == wasm::WASM_EXTERNAL_FUNCTION) { + IO.mapRequired("SigIndex", Import.SigIndex); + } else if (Import.Kind == wasm::WASM_EXTERNAL_GLOBAL) { + IO.mapRequired("GlobalType", Import.GlobalImport.Type); + IO.mapRequired("GlobalMutable", Import.GlobalImport.Mutable); + } else if (Import.Kind == wasm::WASM_EXTERNAL_TABLE) { + IO.mapRequired("Table", Import.TableImport); + } else if (Import.Kind == wasm::WASM_EXTERNAL_MEMORY ) { + IO.mapRequired("Memory", Import.Memory); + } else { + llvm_unreachable("unhandled import type"); + } +} + +void MappingTraits<WasmYAML::Export>::mapping(IO &IO, + WasmYAML::Export &Export) { + IO.mapRequired("Name", Export.Name); + IO.mapRequired("Kind", Export.Kind); + IO.mapRequired("Index", Export.Index); +} + +void MappingTraits<WasmYAML::Global>::mapping(IO &IO, + WasmYAML::Global &Global) { + IO.mapRequired("Type", Global.Type); + IO.mapRequired("Mutable", Global.Mutable); + IO.mapRequired("InitExpr", Global.InitExpr); +} + +void MappingTraits<wasm::WasmInitExpr>::mapping(IO &IO, + wasm::WasmInitExpr &Expr) { + WasmYAML::Opcode Op = Expr.Opcode; + IO.mapRequired("Opcode", Op); + Expr.Opcode = Op; + switch (Expr.Opcode) { + case wasm::WASM_OPCODE_I32_CONST: + IO.mapRequired("Value", Expr.Value.Int32); + break; + case wasm::WASM_OPCODE_I64_CONST: + IO.mapRequired("Value", Expr.Value.Int64); + break; + case wasm::WASM_OPCODE_F32_CONST: + IO.mapRequired("Value", Expr.Value.Float32); + break; + case wasm::WASM_OPCODE_F64_CONST: + IO.mapRequired("Value", Expr.Value.Float64); + break; + case wasm::WASM_OPCODE_GET_GLOBAL: + IO.mapRequired("Index", Expr.Value.Global); + break; + } +} + +void MappingTraits<WasmYAML::DataSegment>::mapping( + IO &IO, WasmYAML::DataSegment &Segment) { + IO.mapOptional("SectionOffset", Segment.SectionOffset); + IO.mapRequired("MemoryIndex", Segment.MemoryIndex); + IO.mapRequired("Offset", Segment.Offset); + IO.mapRequired("Content", Segment.Content); +} + +void MappingTraits<WasmYAML::SymbolInfo>::mapping(IO &IO, + WasmYAML::SymbolInfo &Info) { + IO.mapRequired("Name", Info.Name); + IO.mapRequired("Flags", Info.Flags); +} + +void ScalarEnumerationTraits<WasmYAML::ValueType>::enumeration( + IO &IO, WasmYAML::ValueType &Type) { +#define ECase(X) IO.enumCase(Type, #X, wasm::WASM_TYPE_##X); + ECase(I32); + ECase(I64); + ECase(F32); + ECase(F64); + ECase(ANYFUNC); + ECase(FUNC); + ECase(NORESULT); +#undef ECase +} + +void ScalarEnumerationTraits<WasmYAML::ExportKind>::enumeration( + IO &IO, WasmYAML::ExportKind &Kind) { +#define ECase(X) IO.enumCase(Kind, #X, wasm::WASM_EXTERNAL_##X); + ECase(FUNCTION); + ECase(TABLE); + ECase(MEMORY); + ECase(GLOBAL); +#undef ECase +} + +void ScalarEnumerationTraits<WasmYAML::Opcode>::enumeration( + IO &IO, WasmYAML::Opcode &Code) { +#define ECase(X) IO.enumCase(Code, #X, wasm::WASM_OPCODE_##X); + ECase(END); + ECase(I32_CONST); + ECase(I64_CONST); + ECase(F64_CONST); + ECase(F32_CONST); + ECase(GET_GLOBAL); +#undef ECase +} + +void ScalarEnumerationTraits<WasmYAML::TableType>::enumeration( + IO &IO, WasmYAML::TableType &Type) { +#define ECase(X) IO.enumCase(Type, #X, wasm::WASM_TYPE_##X); + ECase(ANYFUNC); +#undef ECase +} + +void ScalarEnumerationTraits<WasmYAML::RelocType>::enumeration( + IO &IO, WasmYAML::RelocType &Type) { +#define WASM_RELOC(name, value) IO.enumCase(Type, #name, wasm::name); +#include "llvm/BinaryFormat/WasmRelocs/WebAssembly.def" +#undef WASM_RELOC +} + +} // end namespace yaml + +} // end namespace llvm |
