Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

1 files changed, 365 insertions, 365 deletions

diff --git a/contrib/libs/llvm12/include/llvm/Object/Wasm.h b/contrib/libs/llvm12/include/llvm/Object/Wasm.h
index 8f12bd0910..80e3ddd109 100644
--- a/contrib/libs/llvm12/include/llvm/Object/Wasm.h
+++ b/contrib/libs/llvm12/include/llvm/Object/Wasm.h
@@ -1,381 +1,381 @@
-#pragma once 
- 
-#ifdef __GNUC__ 
-#pragma GCC diagnostic push 
-#pragma GCC diagnostic ignored "-Wunused-parameter" 
-#endif 
- 
-//===- Wasm.h - Wasm object file implementation -----------------*- C++ -*-===// 
-// 
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
-// See https://llvm.org/LICENSE.txt for license information. 
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
-// 
-//===----------------------------------------------------------------------===// 
-// 
-// This file declares the WasmObjectFile class, which implements the ObjectFile 
-// interface for Wasm files. 
-// 
-// See: https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md 
-// 
-//===----------------------------------------------------------------------===// 
- 
-#ifndef LLVM_OBJECT_WASM_H 
-#define LLVM_OBJECT_WASM_H 
- 
-#include "llvm/ADT/ArrayRef.h" 
-#include "llvm/ADT/StringRef.h" 
-#include "llvm/BinaryFormat/Wasm.h" 
-#include "llvm/Config/llvm-config.h" 
-#include "llvm/MC/MCSymbolWasm.h" 
-#include "llvm/Object/Binary.h" 
-#include "llvm/Object/ObjectFile.h" 
-#include "llvm/Support/Error.h" 
-#include "llvm/Support/MemoryBuffer.h" 
-#include <cstddef> 
-#include <cstdint> 
-#include <vector> 
- 
-namespace llvm { 
-namespace object { 
- 
-class WasmSymbol { 
-public: 
-  WasmSymbol(const wasm::WasmSymbolInfo &Info, 
-             const wasm::WasmGlobalType *GlobalType, 
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- Wasm.h - Wasm object file implementation -----------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the WasmObjectFile class, which implements the ObjectFile
+// interface for Wasm files.
+//
+// See: https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_WASM_H
+#define LLVM_OBJECT_WASM_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/Wasm.h"
+#include "llvm/Config/llvm-config.h"
+#include "llvm/MC/MCSymbolWasm.h"
+#include "llvm/Object/Binary.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+namespace llvm {
+namespace object {
+
+class WasmSymbol {
+public:
+  WasmSymbol(const wasm::WasmSymbolInfo &Info,
+             const wasm::WasmGlobalType *GlobalType,
              const wasm::WasmTableType *TableType,
-             const wasm::WasmEventType *EventType, 
-             const wasm::WasmSignature *Signature) 
+             const wasm::WasmEventType *EventType,
+             const wasm::WasmSignature *Signature)
       : Info(Info), GlobalType(GlobalType), TableType(TableType),
         EventType(EventType), Signature(Signature) {}
- 
-  const wasm::WasmSymbolInfo &Info; 
-  const wasm::WasmGlobalType *GlobalType; 
+
+  const wasm::WasmSymbolInfo &Info;
+  const wasm::WasmGlobalType *GlobalType;
   const wasm::WasmTableType *TableType;
-  const wasm::WasmEventType *EventType; 
-  const wasm::WasmSignature *Signature; 
- 
-  bool isTypeFunction() const { 
-    return Info.Kind == wasm::WASM_SYMBOL_TYPE_FUNCTION; 
-  } 
- 
+  const wasm::WasmEventType *EventType;
+  const wasm::WasmSignature *Signature;
+
+  bool isTypeFunction() const {
+    return Info.Kind == wasm::WASM_SYMBOL_TYPE_FUNCTION;
+  }
+
   bool isTypeTable() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_TABLE; }
 
-  bool isTypeData() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_DATA; } 
- 
-  bool isTypeGlobal() const { 
-    return Info.Kind == wasm::WASM_SYMBOL_TYPE_GLOBAL; 
-  } 
- 
-  bool isTypeSection() const { 
-    return Info.Kind == wasm::WASM_SYMBOL_TYPE_SECTION; 
-  } 
- 
-  bool isTypeEvent() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_EVENT; } 
- 
-  bool isDefined() const { return !isUndefined(); } 
- 
-  bool isUndefined() const { 
-    return (Info.Flags & wasm::WASM_SYMBOL_UNDEFINED) != 0; 
-  } 
- 
-  bool isBindingWeak() const { 
-    return getBinding() == wasm::WASM_SYMBOL_BINDING_WEAK; 
-  } 
- 
-  bool isBindingGlobal() const { 
-    return getBinding() == wasm::WASM_SYMBOL_BINDING_GLOBAL; 
-  } 
- 
-  bool isBindingLocal() const { 
-    return getBinding() == wasm::WASM_SYMBOL_BINDING_LOCAL; 
-  } 
- 
-  unsigned getBinding() const { 
-    return Info.Flags & wasm::WASM_SYMBOL_BINDING_MASK; 
-  } 
- 
-  bool isHidden() const { 
-    return getVisibility() == wasm::WASM_SYMBOL_VISIBILITY_HIDDEN; 
-  } 
- 
-  unsigned getVisibility() const { 
-    return Info.Flags & wasm::WASM_SYMBOL_VISIBILITY_MASK; 
-  } 
- 
-  void print(raw_ostream &Out) const; 
- 
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 
-  LLVM_DUMP_METHOD void dump() const; 
-#endif 
-}; 
- 
-struct WasmSection { 
-  WasmSection() = default; 
- 
-  uint32_t Type = 0;         // Section type (See below) 
-  uint32_t Offset = 0;       // Offset with in the file 
-  StringRef Name;            // Section name (User-defined sections only) 
+  bool isTypeData() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_DATA; }
+
+  bool isTypeGlobal() const {
+    return Info.Kind == wasm::WASM_SYMBOL_TYPE_GLOBAL;
+  }
+
+  bool isTypeSection() const {
+    return Info.Kind == wasm::WASM_SYMBOL_TYPE_SECTION;
+  }
+
+  bool isTypeEvent() const { return Info.Kind == wasm::WASM_SYMBOL_TYPE_EVENT; }
+
+  bool isDefined() const { return !isUndefined(); }
+
+  bool isUndefined() const {
+    return (Info.Flags & wasm::WASM_SYMBOL_UNDEFINED) != 0;
+  }
+
+  bool isBindingWeak() const {
+    return getBinding() == wasm::WASM_SYMBOL_BINDING_WEAK;
+  }
+
+  bool isBindingGlobal() const {
+    return getBinding() == wasm::WASM_SYMBOL_BINDING_GLOBAL;
+  }
+
+  bool isBindingLocal() const {
+    return getBinding() == wasm::WASM_SYMBOL_BINDING_LOCAL;
+  }
+
+  unsigned getBinding() const {
+    return Info.Flags & wasm::WASM_SYMBOL_BINDING_MASK;
+  }
+
+  bool isHidden() const {
+    return getVisibility() == wasm::WASM_SYMBOL_VISIBILITY_HIDDEN;
+  }
+
+  unsigned getVisibility() const {
+    return Info.Flags & wasm::WASM_SYMBOL_VISIBILITY_MASK;
+  }
+
+  void print(raw_ostream &Out) const;
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+  LLVM_DUMP_METHOD void dump() const;
+#endif
+};
+
+struct WasmSection {
+  WasmSection() = default;
+
+  uint32_t Type = 0;         // Section type (See below)
+  uint32_t Offset = 0;       // Offset with in the file
+  StringRef Name;            // Section name (User-defined sections only)
   uint32_t Comdat = UINT32_MAX; // From the "comdat info" section
-  ArrayRef<uint8_t> Content; // Section content 
-  std::vector<wasm::WasmRelocation> Relocations; // Relocations for this section 
-}; 
- 
-struct WasmSegment { 
-  uint32_t SectionOffset; 
-  wasm::WasmDataSegment Data; 
-}; 
- 
-class WasmObjectFile : public ObjectFile { 
- 
-public: 
-  WasmObjectFile(MemoryBufferRef Object, Error &Err); 
- 
-  const wasm::WasmObjectHeader &getHeader() const; 
-  const WasmSymbol &getWasmSymbol(const DataRefImpl &Symb) const; 
-  const WasmSymbol &getWasmSymbol(const SymbolRef &Symbol) const; 
-  const WasmSection &getWasmSection(const SectionRef &Section) const; 
-  const wasm::WasmRelocation &getWasmRelocation(const RelocationRef &Ref) const; 
- 
-  static bool classof(const Binary *v) { return v->isWasm(); } 
- 
-  const wasm::WasmDylinkInfo &dylinkInfo() const { return DylinkInfo; } 
-  const wasm::WasmProducerInfo &getProducerInfo() const { return ProducerInfo; } 
-  ArrayRef<wasm::WasmFeatureEntry> getTargetFeatures() const { 
-    return TargetFeatures; 
-  } 
-  ArrayRef<wasm::WasmSignature> types() const { return Signatures; } 
-  ArrayRef<uint32_t> functionTypes() const { return FunctionTypes; } 
-  ArrayRef<wasm::WasmImport> imports() const { return Imports; } 
-  ArrayRef<wasm::WasmTable> tables() const { return Tables; } 
-  ArrayRef<wasm::WasmLimits> memories() const { return Memories; } 
-  ArrayRef<wasm::WasmGlobal> globals() const { return Globals; } 
-  ArrayRef<wasm::WasmEvent> events() const { return Events; } 
-  ArrayRef<wasm::WasmExport> exports() const { return Exports; } 
-  ArrayRef<WasmSymbol> syms() const { return Symbols; } 
-  const wasm::WasmLinkingData &linkingData() const { return LinkingData; } 
-  uint32_t getNumberOfSymbols() const { return Symbols.size(); } 
-  ArrayRef<wasm::WasmElemSegment> elements() const { return ElemSegments; } 
-  ArrayRef<WasmSegment> dataSegments() const { return DataSegments; } 
-  ArrayRef<wasm::WasmFunction> functions() const { return Functions; } 
+  ArrayRef<uint8_t> Content; // Section content
+  std::vector<wasm::WasmRelocation> Relocations; // Relocations for this section
+};
+
+struct WasmSegment {
+  uint32_t SectionOffset;
+  wasm::WasmDataSegment Data;
+};
+
+class WasmObjectFile : public ObjectFile {
+
+public:
+  WasmObjectFile(MemoryBufferRef Object, Error &Err);
+
+  const wasm::WasmObjectHeader &getHeader() const;
+  const WasmSymbol &getWasmSymbol(const DataRefImpl &Symb) const;
+  const WasmSymbol &getWasmSymbol(const SymbolRef &Symbol) const;
+  const WasmSection &getWasmSection(const SectionRef &Section) const;
+  const wasm::WasmRelocation &getWasmRelocation(const RelocationRef &Ref) const;
+
+  static bool classof(const Binary *v) { return v->isWasm(); }
+
+  const wasm::WasmDylinkInfo &dylinkInfo() const { return DylinkInfo; }
+  const wasm::WasmProducerInfo &getProducerInfo() const { return ProducerInfo; }
+  ArrayRef<wasm::WasmFeatureEntry> getTargetFeatures() const {
+    return TargetFeatures;
+  }
+  ArrayRef<wasm::WasmSignature> types() const { return Signatures; }
+  ArrayRef<uint32_t> functionTypes() const { return FunctionTypes; }
+  ArrayRef<wasm::WasmImport> imports() const { return Imports; }
+  ArrayRef<wasm::WasmTable> tables() const { return Tables; }
+  ArrayRef<wasm::WasmLimits> memories() const { return Memories; }
+  ArrayRef<wasm::WasmGlobal> globals() const { return Globals; }
+  ArrayRef<wasm::WasmEvent> events() const { return Events; }
+  ArrayRef<wasm::WasmExport> exports() const { return Exports; }
+  ArrayRef<WasmSymbol> syms() const { return Symbols; }
+  const wasm::WasmLinkingData &linkingData() const { return LinkingData; }
+  uint32_t getNumberOfSymbols() const { return Symbols.size(); }
+  ArrayRef<wasm::WasmElemSegment> elements() const { return ElemSegments; }
+  ArrayRef<WasmSegment> dataSegments() const { return DataSegments; }
+  ArrayRef<wasm::WasmFunction> functions() const { return Functions; }
   ArrayRef<wasm::WasmDebugName> debugNames() const { return DebugNames; }
-  uint32_t startFunction() const { return StartFunction; } 
-  uint32_t getNumImportedGlobals() const { return NumImportedGlobals; } 
+  uint32_t startFunction() const { return StartFunction; }
+  uint32_t getNumImportedGlobals() const { return NumImportedGlobals; }
   uint32_t getNumImportedTables() const { return NumImportedTables; }
-  uint32_t getNumImportedFunctions() const { return NumImportedFunctions; } 
-  uint32_t getNumImportedEvents() const { return NumImportedEvents; } 
-  uint32_t getNumSections() const { return Sections.size(); } 
-  void moveSymbolNext(DataRefImpl &Symb) const override; 
- 
-  Expected<uint32_t> getSymbolFlags(DataRefImpl Symb) const override; 
- 
-  basic_symbol_iterator symbol_begin() const override; 
- 
-  basic_symbol_iterator symbol_end() const override; 
-  Expected<StringRef> getSymbolName(DataRefImpl Symb) const override; 
- 
-  Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override; 
-  uint64_t getWasmSymbolValue(const WasmSymbol &Sym) const; 
-  uint64_t getSymbolValueImpl(DataRefImpl Symb) const override; 
-  uint32_t getSymbolAlignment(DataRefImpl Symb) const override; 
-  uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override; 
-  Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override; 
-  Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override; 
-  uint32_t getSymbolSectionId(SymbolRef Sym) const; 
- 
-  // Overrides from SectionRef. 
-  void moveSectionNext(DataRefImpl &Sec) const override; 
-  Expected<StringRef> getSectionName(DataRefImpl Sec) const override; 
-  uint64_t getSectionAddress(DataRefImpl Sec) const override; 
-  uint64_t getSectionIndex(DataRefImpl Sec) const override; 
-  uint64_t getSectionSize(DataRefImpl Sec) const override; 
-  Expected<ArrayRef<uint8_t>> 
-  getSectionContents(DataRefImpl Sec) const override; 
-  uint64_t getSectionAlignment(DataRefImpl Sec) const override; 
-  bool isSectionCompressed(DataRefImpl Sec) const override; 
-  bool isSectionText(DataRefImpl Sec) const override; 
-  bool isSectionData(DataRefImpl Sec) const override; 
-  bool isSectionBSS(DataRefImpl Sec) const override; 
-  bool isSectionVirtual(DataRefImpl Sec) const override; 
-  relocation_iterator section_rel_begin(DataRefImpl Sec) const override; 
-  relocation_iterator section_rel_end(DataRefImpl Sec) const override; 
- 
-  // Overrides from RelocationRef. 
-  void moveRelocationNext(DataRefImpl &Rel) const override; 
-  uint64_t getRelocationOffset(DataRefImpl Rel) const override; 
-  symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override; 
-  uint64_t getRelocationType(DataRefImpl Rel) const override; 
-  void getRelocationTypeName(DataRefImpl Rel, 
-                             SmallVectorImpl<char> &Result) const override; 
- 
-  section_iterator section_begin() const override; 
-  section_iterator section_end() const override; 
-  uint8_t getBytesInAddress() const override; 
-  StringRef getFileFormatName() const override; 
-  Triple::ArchType getArch() const override; 
-  SubtargetFeatures getFeatures() const override; 
-  bool isRelocatableObject() const override; 
-  bool isSharedObject() const; 
- 
-  struct ReadContext { 
-    const uint8_t *Start; 
-    const uint8_t *Ptr; 
-    const uint8_t *End; 
-  }; 
- 
-private: 
-  bool isValidFunctionIndex(uint32_t Index) const; 
-  bool isDefinedFunctionIndex(uint32_t Index) const; 
-  bool isValidGlobalIndex(uint32_t Index) const; 
+  uint32_t getNumImportedFunctions() const { return NumImportedFunctions; }
+  uint32_t getNumImportedEvents() const { return NumImportedEvents; }
+  uint32_t getNumSections() const { return Sections.size(); }
+  void moveSymbolNext(DataRefImpl &Symb) const override;
+
+  Expected<uint32_t> getSymbolFlags(DataRefImpl Symb) const override;
+
+  basic_symbol_iterator symbol_begin() const override;
+
+  basic_symbol_iterator symbol_end() const override;
+  Expected<StringRef> getSymbolName(DataRefImpl Symb) const override;
+
+  Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override;
+  uint64_t getWasmSymbolValue(const WasmSymbol &Sym) const;
+  uint64_t getSymbolValueImpl(DataRefImpl Symb) const override;
+  uint32_t getSymbolAlignment(DataRefImpl Symb) const override;
+  uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override;
+  Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override;
+  Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override;
+  uint32_t getSymbolSectionId(SymbolRef Sym) const;
+
+  // Overrides from SectionRef.
+  void moveSectionNext(DataRefImpl &Sec) const override;
+  Expected<StringRef> getSectionName(DataRefImpl Sec) const override;
+  uint64_t getSectionAddress(DataRefImpl Sec) const override;
+  uint64_t getSectionIndex(DataRefImpl Sec) const override;
+  uint64_t getSectionSize(DataRefImpl Sec) const override;
+  Expected<ArrayRef<uint8_t>>
+  getSectionContents(DataRefImpl Sec) const override;
+  uint64_t getSectionAlignment(DataRefImpl Sec) const override;
+  bool isSectionCompressed(DataRefImpl Sec) const override;
+  bool isSectionText(DataRefImpl Sec) const override;
+  bool isSectionData(DataRefImpl Sec) const override;
+  bool isSectionBSS(DataRefImpl Sec) const override;
+  bool isSectionVirtual(DataRefImpl Sec) const override;
+  relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
+  relocation_iterator section_rel_end(DataRefImpl Sec) const override;
+
+  // Overrides from RelocationRef.
+  void moveRelocationNext(DataRefImpl &Rel) const override;
+  uint64_t getRelocationOffset(DataRefImpl Rel) const override;
+  symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
+  uint64_t getRelocationType(DataRefImpl Rel) const override;
+  void getRelocationTypeName(DataRefImpl Rel,
+                             SmallVectorImpl<char> &Result) const override;
+
+  section_iterator section_begin() const override;
+  section_iterator section_end() const override;
+  uint8_t getBytesInAddress() const override;
+  StringRef getFileFormatName() const override;
+  Triple::ArchType getArch() const override;
+  SubtargetFeatures getFeatures() const override;
+  bool isRelocatableObject() const override;
+  bool isSharedObject() const;
+
+  struct ReadContext {
+    const uint8_t *Start;
+    const uint8_t *Ptr;
+    const uint8_t *End;
+  };
+
+private:
+  bool isValidFunctionIndex(uint32_t Index) const;
+  bool isDefinedFunctionIndex(uint32_t Index) const;
+  bool isValidGlobalIndex(uint32_t Index) const;
   bool isValidTableIndex(uint32_t Index) const;
-  bool isDefinedGlobalIndex(uint32_t Index) const; 
+  bool isDefinedGlobalIndex(uint32_t Index) const;
   bool isDefinedTableIndex(uint32_t Index) const;
-  bool isValidEventIndex(uint32_t Index) const; 
-  bool isDefinedEventIndex(uint32_t Index) const; 
-  bool isValidFunctionSymbol(uint32_t Index) const; 
+  bool isValidEventIndex(uint32_t Index) const;
+  bool isDefinedEventIndex(uint32_t Index) const;
+  bool isValidFunctionSymbol(uint32_t Index) const;
   bool isValidTableSymbol(uint32_t Index) const;
-  bool isValidGlobalSymbol(uint32_t Index) const; 
-  bool isValidEventSymbol(uint32_t Index) const; 
-  bool isValidDataSymbol(uint32_t Index) const; 
-  bool isValidSectionSymbol(uint32_t Index) const; 
-  wasm::WasmFunction &getDefinedFunction(uint32_t Index); 
-  const wasm::WasmFunction &getDefinedFunction(uint32_t Index) const; 
-  wasm::WasmGlobal &getDefinedGlobal(uint32_t Index); 
-  wasm::WasmEvent &getDefinedEvent(uint32_t Index); 
- 
-  const WasmSection &getWasmSection(DataRefImpl Ref) const; 
-  const wasm::WasmRelocation &getWasmRelocation(DataRefImpl Ref) const; 
-  uint32_t getSymbolSectionIdImpl(const WasmSymbol &Symb) const; 
- 
-  Error parseSection(WasmSection &Sec); 
-  Error parseCustomSection(WasmSection &Sec, ReadContext &Ctx); 
- 
-  // Standard section types 
-  Error parseTypeSection(ReadContext &Ctx); 
-  Error parseImportSection(ReadContext &Ctx); 
-  Error parseFunctionSection(ReadContext &Ctx); 
-  Error parseTableSection(ReadContext &Ctx); 
-  Error parseMemorySection(ReadContext &Ctx); 
-  Error parseEventSection(ReadContext &Ctx); 
-  Error parseGlobalSection(ReadContext &Ctx); 
-  Error parseExportSection(ReadContext &Ctx); 
-  Error parseStartSection(ReadContext &Ctx); 
-  Error parseElemSection(ReadContext &Ctx); 
-  Error parseCodeSection(ReadContext &Ctx); 
-  Error parseDataSection(ReadContext &Ctx); 
-  Error parseDataCountSection(ReadContext &Ctx); 
- 
-  // Custom section types 
-  Error parseDylinkSection(ReadContext &Ctx); 
-  Error parseNameSection(ReadContext &Ctx); 
-  Error parseLinkingSection(ReadContext &Ctx); 
-  Error parseLinkingSectionSymtab(ReadContext &Ctx); 
-  Error parseLinkingSectionComdat(ReadContext &Ctx); 
-  Error parseProducersSection(ReadContext &Ctx); 
-  Error parseTargetFeaturesSection(ReadContext &Ctx); 
-  Error parseRelocSection(StringRef Name, ReadContext &Ctx); 
- 
-  wasm::WasmObjectHeader Header; 
-  std::vector<WasmSection> Sections; 
-  wasm::WasmDylinkInfo DylinkInfo; 
-  wasm::WasmProducerInfo ProducerInfo; 
-  std::vector<wasm::WasmFeatureEntry> TargetFeatures; 
-  std::vector<wasm::WasmSignature> Signatures; 
-  std::vector<uint32_t> FunctionTypes; 
-  std::vector<wasm::WasmTable> Tables; 
-  std::vector<wasm::WasmLimits> Memories; 
-  std::vector<wasm::WasmGlobal> Globals; 
-  std::vector<wasm::WasmEvent> Events; 
-  std::vector<wasm::WasmImport> Imports; 
-  std::vector<wasm::WasmExport> Exports; 
-  std::vector<wasm::WasmElemSegment> ElemSegments; 
-  std::vector<WasmSegment> DataSegments; 
-  llvm::Optional<size_t> DataCount; 
-  std::vector<wasm::WasmFunction> Functions; 
-  std::vector<WasmSymbol> Symbols; 
+  bool isValidGlobalSymbol(uint32_t Index) const;
+  bool isValidEventSymbol(uint32_t Index) const;
+  bool isValidDataSymbol(uint32_t Index) const;
+  bool isValidSectionSymbol(uint32_t Index) const;
+  wasm::WasmFunction &getDefinedFunction(uint32_t Index);
+  const wasm::WasmFunction &getDefinedFunction(uint32_t Index) const;
+  wasm::WasmGlobal &getDefinedGlobal(uint32_t Index);
+  wasm::WasmEvent &getDefinedEvent(uint32_t Index);
+
+  const WasmSection &getWasmSection(DataRefImpl Ref) const;
+  const wasm::WasmRelocation &getWasmRelocation(DataRefImpl Ref) const;
+  uint32_t getSymbolSectionIdImpl(const WasmSymbol &Symb) const;
+
+  Error parseSection(WasmSection &Sec);
+  Error parseCustomSection(WasmSection &Sec, ReadContext &Ctx);
+
+  // Standard section types
+  Error parseTypeSection(ReadContext &Ctx);
+  Error parseImportSection(ReadContext &Ctx);
+  Error parseFunctionSection(ReadContext &Ctx);
+  Error parseTableSection(ReadContext &Ctx);
+  Error parseMemorySection(ReadContext &Ctx);
+  Error parseEventSection(ReadContext &Ctx);
+  Error parseGlobalSection(ReadContext &Ctx);
+  Error parseExportSection(ReadContext &Ctx);
+  Error parseStartSection(ReadContext &Ctx);
+  Error parseElemSection(ReadContext &Ctx);
+  Error parseCodeSection(ReadContext &Ctx);
+  Error parseDataSection(ReadContext &Ctx);
+  Error parseDataCountSection(ReadContext &Ctx);
+
+  // Custom section types
+  Error parseDylinkSection(ReadContext &Ctx);
+  Error parseNameSection(ReadContext &Ctx);
+  Error parseLinkingSection(ReadContext &Ctx);
+  Error parseLinkingSectionSymtab(ReadContext &Ctx);
+  Error parseLinkingSectionComdat(ReadContext &Ctx);
+  Error parseProducersSection(ReadContext &Ctx);
+  Error parseTargetFeaturesSection(ReadContext &Ctx);
+  Error parseRelocSection(StringRef Name, ReadContext &Ctx);
+
+  wasm::WasmObjectHeader Header;
+  std::vector<WasmSection> Sections;
+  wasm::WasmDylinkInfo DylinkInfo;
+  wasm::WasmProducerInfo ProducerInfo;
+  std::vector<wasm::WasmFeatureEntry> TargetFeatures;
+  std::vector<wasm::WasmSignature> Signatures;
+  std::vector<uint32_t> FunctionTypes;
+  std::vector<wasm::WasmTable> Tables;
+  std::vector<wasm::WasmLimits> Memories;
+  std::vector<wasm::WasmGlobal> Globals;
+  std::vector<wasm::WasmEvent> Events;
+  std::vector<wasm::WasmImport> Imports;
+  std::vector<wasm::WasmExport> Exports;
+  std::vector<wasm::WasmElemSegment> ElemSegments;
+  std::vector<WasmSegment> DataSegments;
+  llvm::Optional<size_t> DataCount;
+  std::vector<wasm::WasmFunction> Functions;
+  std::vector<WasmSymbol> Symbols;
   std::vector<wasm::WasmDebugName> DebugNames;
-  uint32_t StartFunction = -1; 
-  bool HasLinkingSection = false; 
-  bool HasDylinkSection = false; 
-  bool SeenCodeSection = false; 
+  uint32_t StartFunction = -1;
+  bool HasLinkingSection = false;
+  bool HasDylinkSection = false;
+  bool SeenCodeSection = false;
   bool HasMemory64 = false;
-  wasm::WasmLinkingData LinkingData; 
-  uint32_t NumImportedGlobals = 0; 
+  wasm::WasmLinkingData LinkingData;
+  uint32_t NumImportedGlobals = 0;
   uint32_t NumImportedTables = 0;
-  uint32_t NumImportedFunctions = 0; 
-  uint32_t NumImportedEvents = 0; 
-  uint32_t CodeSection = 0; 
-  uint32_t DataSection = 0; 
-  uint32_t EventSection = 0; 
-  uint32_t GlobalSection = 0; 
+  uint32_t NumImportedFunctions = 0;
+  uint32_t NumImportedEvents = 0;
+  uint32_t CodeSection = 0;
+  uint32_t DataSection = 0;
+  uint32_t EventSection = 0;
+  uint32_t GlobalSection = 0;
   uint32_t TableSection = 0;
-}; 
- 
-class WasmSectionOrderChecker { 
-public: 
-  // We define orders for all core wasm sections and known custom sections. 
-  enum : int { 
-    // Sentinel, must be zero 
-    WASM_SEC_ORDER_NONE = 0, 
- 
-    // Core sections 
-    WASM_SEC_ORDER_TYPE, 
-    WASM_SEC_ORDER_IMPORT, 
-    WASM_SEC_ORDER_FUNCTION, 
-    WASM_SEC_ORDER_TABLE, 
-    WASM_SEC_ORDER_MEMORY, 
-    WASM_SEC_ORDER_EVENT, 
-    WASM_SEC_ORDER_GLOBAL, 
-    WASM_SEC_ORDER_EXPORT, 
-    WASM_SEC_ORDER_START, 
-    WASM_SEC_ORDER_ELEM, 
-    WASM_SEC_ORDER_DATACOUNT, 
-    WASM_SEC_ORDER_CODE, 
-    WASM_SEC_ORDER_DATA, 
- 
-    // Custom sections 
-    // "dylink" should be the very first section in the module 
-    WASM_SEC_ORDER_DYLINK, 
-    // "linking" section requires DATA section in order to validate data symbols 
-    WASM_SEC_ORDER_LINKING, 
-    // Must come after "linking" section in order to validate reloc indexes. 
-    WASM_SEC_ORDER_RELOC, 
-    // "name" section must appear after DATA. Comes after "linking" to allow 
-    // symbol table to set default function name. 
-    WASM_SEC_ORDER_NAME, 
-    // "producers" section must appear after "name" section. 
-    WASM_SEC_ORDER_PRODUCERS, 
-    // "target_features" section must appear after producers section 
-    WASM_SEC_ORDER_TARGET_FEATURES, 
- 
-    // Must be last 
-    WASM_NUM_SEC_ORDERS 
- 
-  }; 
- 
-  // Sections that may or may not be present, but cannot be predecessors 
-  static int DisallowedPredecessors[WASM_NUM_SEC_ORDERS][WASM_NUM_SEC_ORDERS]; 
- 
-  bool isValidSectionOrder(unsigned ID, StringRef CustomSectionName = ""); 
- 
-private: 
-  bool Seen[WASM_NUM_SEC_ORDERS] = {}; // Sections that have been seen already 
- 
-  // Returns -1 for unknown sections. 
-  int getSectionOrder(unsigned ID, StringRef CustomSectionName = ""); 
-}; 
- 
-} // end namespace object 
- 
-inline raw_ostream &operator<<(raw_ostream &OS, const object::WasmSymbol &Sym) { 
-  Sym.print(OS); 
-  return OS; 
-} 
- 
-} // end namespace llvm 
- 
-#endif // LLVM_OBJECT_WASM_H 
- 
-#ifdef __GNUC__ 
-#pragma GCC diagnostic pop 
-#endif 
+};
+
+class WasmSectionOrderChecker {
+public:
+  // We define orders for all core wasm sections and known custom sections.
+  enum : int {
+    // Sentinel, must be zero
+    WASM_SEC_ORDER_NONE = 0,
+
+    // Core sections
+    WASM_SEC_ORDER_TYPE,
+    WASM_SEC_ORDER_IMPORT,
+    WASM_SEC_ORDER_FUNCTION,
+    WASM_SEC_ORDER_TABLE,
+    WASM_SEC_ORDER_MEMORY,
+    WASM_SEC_ORDER_EVENT,
+    WASM_SEC_ORDER_GLOBAL,
+    WASM_SEC_ORDER_EXPORT,
+    WASM_SEC_ORDER_START,
+    WASM_SEC_ORDER_ELEM,
+    WASM_SEC_ORDER_DATACOUNT,
+    WASM_SEC_ORDER_CODE,
+    WASM_SEC_ORDER_DATA,
+
+    // Custom sections
+    // "dylink" should be the very first section in the module
+    WASM_SEC_ORDER_DYLINK,
+    // "linking" section requires DATA section in order to validate data symbols
+    WASM_SEC_ORDER_LINKING,
+    // Must come after "linking" section in order to validate reloc indexes.
+    WASM_SEC_ORDER_RELOC,
+    // "name" section must appear after DATA. Comes after "linking" to allow
+    // symbol table to set default function name.
+    WASM_SEC_ORDER_NAME,
+    // "producers" section must appear after "name" section.
+    WASM_SEC_ORDER_PRODUCERS,
+    // "target_features" section must appear after producers section
+    WASM_SEC_ORDER_TARGET_FEATURES,
+
+    // Must be last
+    WASM_NUM_SEC_ORDERS
+
+  };
+
+  // Sections that may or may not be present, but cannot be predecessors
+  static int DisallowedPredecessors[WASM_NUM_SEC_ORDERS][WASM_NUM_SEC_ORDERS];
+
+  bool isValidSectionOrder(unsigned ID, StringRef CustomSectionName = "");
+
+private:
+  bool Seen[WASM_NUM_SEC_ORDERS] = {}; // Sections that have been seen already
+
+  // Returns -1 for unknown sections.
+  int getSectionOrder(unsigned ID, StringRef CustomSectionName = "");
+};
+
+} // end namespace object
+
+inline raw_ostream &operator<<(raw_ostream &OS, const object::WasmSymbol &Sym) {
+  Sym.print(OS);
+  return OS;
+}
+
+} // end namespace llvm
+
+#endif // LLVM_OBJECT_WASM_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif