6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
296 lines
9.3 KiB
C++
296 lines
9.3 KiB
C++
//===----- XCOFFYAML.h - XCOFF YAMLIO implementation ------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares classes for handling the YAML representation of XCOFF.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECTYAML_XCOFFYAML_H
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#define LLVM_OBJECTYAML_XCOFFYAML_H
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#include "llvm/BinaryFormat/XCOFF.h"
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#include "llvm/ObjectYAML/YAML.h"
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#include <optional>
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#include <vector>
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namespace llvm {
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namespace XCOFFYAML {
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struct FileHeader {
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llvm::yaml::Hex16 Magic;
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uint16_t NumberOfSections;
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int32_t TimeStamp;
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llvm::yaml::Hex64 SymbolTableOffset;
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int32_t NumberOfSymTableEntries;
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uint16_t AuxHeaderSize;
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llvm::yaml::Hex16 Flags;
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};
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struct AuxiliaryHeader {
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std::optional<llvm::yaml::Hex16> Magic;
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std::optional<llvm::yaml::Hex16> Version;
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std::optional<llvm::yaml::Hex64> TextStartAddr;
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std::optional<llvm::yaml::Hex64> DataStartAddr;
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std::optional<llvm::yaml::Hex64> TOCAnchorAddr;
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std::optional<uint16_t> SecNumOfEntryPoint;
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std::optional<uint16_t> SecNumOfText;
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std::optional<uint16_t> SecNumOfData;
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std::optional<uint16_t> SecNumOfTOC;
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std::optional<uint16_t> SecNumOfLoader;
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std::optional<uint16_t> SecNumOfBSS;
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std::optional<llvm::yaml::Hex16> MaxAlignOfText;
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std::optional<llvm::yaml::Hex16> MaxAlignOfData;
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std::optional<llvm::yaml::Hex16> ModuleType;
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std::optional<llvm::yaml::Hex8> CpuFlag;
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std::optional<llvm::yaml::Hex8> CpuType;
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std::optional<llvm::yaml::Hex8> TextPageSize;
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std::optional<llvm::yaml::Hex8> DataPageSize;
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std::optional<llvm::yaml::Hex8> StackPageSize;
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std::optional<llvm::yaml::Hex8> FlagAndTDataAlignment;
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std::optional<llvm::yaml::Hex64> TextSize;
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std::optional<llvm::yaml::Hex64> InitDataSize;
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std::optional<llvm::yaml::Hex64> BssDataSize;
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std::optional<llvm::yaml::Hex64> EntryPointAddr;
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std::optional<llvm::yaml::Hex64> MaxStackSize;
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std::optional<llvm::yaml::Hex64> MaxDataSize;
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std::optional<uint16_t> SecNumOfTData;
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std::optional<uint16_t> SecNumOfTBSS;
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std::optional<llvm::yaml::Hex16> Flag;
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};
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struct Relocation {
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llvm::yaml::Hex64 VirtualAddress;
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llvm::yaml::Hex64 SymbolIndex;
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llvm::yaml::Hex8 Info;
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llvm::yaml::Hex8 Type;
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};
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struct Section {
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StringRef SectionName;
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llvm::yaml::Hex64 Address;
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llvm::yaml::Hex64 Size;
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llvm::yaml::Hex64 FileOffsetToData;
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llvm::yaml::Hex64 FileOffsetToRelocations;
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llvm::yaml::Hex64 FileOffsetToLineNumbers; // Line number pointer. Not supported yet.
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llvm::yaml::Hex16 NumberOfRelocations;
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llvm::yaml::Hex16 NumberOfLineNumbers; // Line number counts. Not supported yet.
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uint32_t Flags;
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std::optional<XCOFF::DwarfSectionSubtypeFlags> SectionSubtype;
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yaml::BinaryRef SectionData;
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std::vector<Relocation> Relocations;
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};
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enum AuxSymbolType : uint8_t {
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AUX_EXCEPT = 255,
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AUX_FCN = 254,
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AUX_SYM = 253,
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AUX_FILE = 252,
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AUX_CSECT = 251,
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AUX_SECT = 250,
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AUX_STAT = 249
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};
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struct AuxSymbolEnt {
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AuxSymbolType Type;
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explicit AuxSymbolEnt(AuxSymbolType T) : Type(T) {}
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virtual ~AuxSymbolEnt();
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};
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struct FileAuxEnt : AuxSymbolEnt {
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std::optional<StringRef> FileNameOrString;
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std::optional<XCOFF::CFileStringType> FileStringType;
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FileAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_FILE) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_FILE;
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}
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};
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struct CsectAuxEnt : AuxSymbolEnt {
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// Only for XCOFF32.
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std::optional<uint32_t> SectionOrLength;
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std::optional<uint32_t> StabInfoIndex;
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std::optional<uint16_t> StabSectNum;
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// Only for XCOFF64.
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std::optional<uint32_t> SectionOrLengthLo;
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std::optional<uint32_t> SectionOrLengthHi;
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// Common fields for both XCOFF32 and XCOFF64.
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std::optional<uint32_t> ParameterHashIndex;
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std::optional<uint16_t> TypeChkSectNum;
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std::optional<XCOFF::SymbolType> SymbolType;
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std::optional<uint8_t> SymbolAlignment;
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// The two previous values can be encoded as a single value.
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std::optional<uint8_t> SymbolAlignmentAndType;
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std::optional<XCOFF::StorageMappingClass> StorageMappingClass;
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CsectAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_CSECT) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_CSECT;
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}
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};
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struct FunctionAuxEnt : AuxSymbolEnt {
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std::optional<uint32_t> OffsetToExceptionTbl; // Only for XCOFF32.
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std::optional<uint64_t> PtrToLineNum;
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std::optional<uint32_t> SizeOfFunction;
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std::optional<int32_t> SymIdxOfNextBeyond;
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FunctionAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_FCN) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_FCN;
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}
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};
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struct ExcpetionAuxEnt : AuxSymbolEnt {
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std::optional<uint64_t> OffsetToExceptionTbl;
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std::optional<uint32_t> SizeOfFunction;
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std::optional<int32_t> SymIdxOfNextBeyond;
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ExcpetionAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_EXCEPT) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_EXCEPT;
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}
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}; // Only for XCOFF64.
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struct BlockAuxEnt : AuxSymbolEnt {
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// Only for XCOFF32.
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std::optional<uint16_t> LineNumHi;
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std::optional<uint16_t> LineNumLo;
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// Only for XCOFF64.
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std::optional<uint32_t> LineNum;
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BlockAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_SYM) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_SYM;
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}
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};
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struct SectAuxEntForDWARF : AuxSymbolEnt {
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std::optional<uint32_t> LengthOfSectionPortion;
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std::optional<uint32_t> NumberOfRelocEnt;
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SectAuxEntForDWARF() : AuxSymbolEnt(AuxSymbolType::AUX_SECT) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_SECT;
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}
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};
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struct SectAuxEntForStat : AuxSymbolEnt {
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std::optional<uint32_t> SectionLength;
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std::optional<uint16_t> NumberOfRelocEnt;
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std::optional<uint16_t> NumberOfLineNum;
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SectAuxEntForStat() : AuxSymbolEnt(AuxSymbolType::AUX_STAT) {}
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static bool classof(const AuxSymbolEnt *S) {
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return S->Type == AuxSymbolType::AUX_STAT;
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}
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}; // Only for XCOFF32.
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struct Symbol {
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StringRef SymbolName;
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llvm::yaml::Hex64 Value; // Symbol value; storage class-dependent.
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std::optional<StringRef> SectionName;
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std::optional<uint16_t> SectionIndex;
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llvm::yaml::Hex16 Type;
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XCOFF::StorageClass StorageClass;
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std::optional<uint8_t> NumberOfAuxEntries;
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std::vector<std::unique_ptr<AuxSymbolEnt>> AuxEntries;
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};
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struct StringTable {
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std::optional<uint32_t> ContentSize; // The total size of the string table.
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std::optional<uint32_t> Length; // The value of the length field for the first
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// 4 bytes of the table.
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std::optional<std::vector<StringRef>> Strings;
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std::optional<yaml::BinaryRef> RawContent;
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};
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struct Object {
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FileHeader Header;
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std::optional<AuxiliaryHeader> AuxHeader;
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std::vector<Section> Sections;
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std::vector<Symbol> Symbols;
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StringTable StrTbl;
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Object();
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};
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} // namespace XCOFFYAML
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} // namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Symbol)
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LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Relocation)
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LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Section)
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LLVM_YAML_IS_SEQUENCE_VECTOR(std::unique_ptr<llvm::XCOFFYAML::AuxSymbolEnt>)
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namespace llvm {
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namespace yaml {
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template <> struct ScalarBitSetTraits<XCOFF::SectionTypeFlags> {
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static void bitset(IO &IO, XCOFF::SectionTypeFlags &Value);
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};
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template <> struct ScalarEnumerationTraits<XCOFF::DwarfSectionSubtypeFlags> {
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static void enumeration(IO &IO, XCOFF::DwarfSectionSubtypeFlags &Value);
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};
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template <> struct ScalarEnumerationTraits<XCOFF::StorageClass> {
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static void enumeration(IO &IO, XCOFF::StorageClass &Value);
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};
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template <> struct ScalarEnumerationTraits<XCOFF::StorageMappingClass> {
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static void enumeration(IO &IO, XCOFF::StorageMappingClass &Value);
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};
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template <> struct ScalarEnumerationTraits<XCOFF::SymbolType> {
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static void enumeration(IO &IO, XCOFF::SymbolType &Value);
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};
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template <> struct ScalarEnumerationTraits<XCOFF::CFileStringType> {
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static void enumeration(IO &IO, XCOFF::CFileStringType &Type);
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};
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template <> struct ScalarEnumerationTraits<XCOFFYAML::AuxSymbolType> {
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static void enumeration(IO &IO, XCOFFYAML::AuxSymbolType &Type);
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};
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template <> struct MappingTraits<XCOFFYAML::FileHeader> {
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static void mapping(IO &IO, XCOFFYAML::FileHeader &H);
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};
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template <> struct MappingTraits<XCOFFYAML::AuxiliaryHeader> {
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static void mapping(IO &IO, XCOFFYAML::AuxiliaryHeader &AuxHdr);
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};
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template <> struct MappingTraits<std::unique_ptr<XCOFFYAML::AuxSymbolEnt>> {
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static void mapping(IO &IO, std::unique_ptr<XCOFFYAML::AuxSymbolEnt> &AuxSym);
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};
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template <> struct MappingTraits<XCOFFYAML::Symbol> {
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static void mapping(IO &IO, XCOFFYAML::Symbol &S);
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};
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template <> struct MappingTraits<XCOFFYAML::Relocation> {
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static void mapping(IO &IO, XCOFFYAML::Relocation &R);
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};
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template <> struct MappingTraits<XCOFFYAML::Section> {
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static void mapping(IO &IO, XCOFFYAML::Section &Sec);
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};
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template <> struct MappingTraits<XCOFFYAML::StringTable> {
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static void mapping(IO &IO, XCOFFYAML::StringTable &Str);
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};
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template <> struct MappingTraits<XCOFFYAML::Object> {
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static void mapping(IO &IO, XCOFFYAML::Object &Obj);
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};
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} // namespace yaml
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} // namespace llvm
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#endif // LLVM_OBJECTYAML_XCOFFYAML_H
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