diff options
| author | robot-ydb-importer <[email protected]> | 2024-02-01 17:04:24 +0300 |
|---|---|---|
| committer | Alexander Smirnov <[email protected]> | 2024-02-09 19:16:57 +0300 |
| commit | 92eec2d2cadb061e8d0736fc1e6006255d1db6aa (patch) | |
| tree | 374efcbf55311667e4f87ee2790bf71ac6756ae4 /contrib/libs/llvm12/include/llvm/Object/Wasm.h | |
| parent | b34656eaa432fe5258085ca4e4642774fe082456 (diff) | |
YDB Import 559
Diffstat (limited to 'contrib/libs/llvm12/include/llvm/Object/Wasm.h')
| -rw-r--r-- | contrib/libs/llvm12/include/llvm/Object/Wasm.h | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/contrib/libs/llvm12/include/llvm/Object/Wasm.h b/contrib/libs/llvm12/include/llvm/Object/Wasm.h deleted file mode 100644 index 80e3ddd109f..00000000000 --- a/contrib/libs/llvm12/include/llvm/Object/Wasm.h +++ /dev/null @@ -1,381 +0,0 @@ -#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) - : Info(Info), GlobalType(GlobalType), TableType(TableType), - EventType(EventType), Signature(Signature) {} - - 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; - } - - 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) - 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<wasm::WasmDebugName> debugNames() const { return DebugNames; } - 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; - bool isValidTableIndex(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 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; - std::vector<wasm::WasmDebugName> DebugNames; - uint32_t StartFunction = -1; - bool HasLinkingSection = false; - bool HasDylinkSection = false; - bool SeenCodeSection = false; - bool HasMemory64 = false; - 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 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 |
