1 files changed, 295 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/include/llvm/ObjectYAML/XCOFFYAML.h b/contrib/llvm-project/llvm/include/llvm/ObjectYAML/XCOFFYAML.h
new file mode 100644
index 000000000000..2874c998d690
--- /dev/null
+++ b/contrib/llvm-project/llvm/include/llvm/ObjectYAML/XCOFFYAML.h
@@ -0,0 +1,295 @@
+//===----- XCOFFYAML.h - XCOFF YAMLIO 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 classes for handling the YAML representation of XCOFF.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_OBJECTYAML_XCOFFYAML_H
+#define LLVM_OBJECTYAML_XCOFFYAML_H
+
+#include "llvm/BinaryFormat/XCOFF.h"
+#include "llvm/ObjectYAML/YAML.h"
+#include <optional>
+#include <vector>
+
+namespace llvm {
+namespace XCOFFYAML {
+
+struct FileHeader {
+  llvm::yaml::Hex16 Magic;
+  uint16_t NumberOfSections;
+  int32_t TimeStamp;
+  llvm::yaml::Hex64 SymbolTableOffset;
+  int32_t NumberOfSymTableEntries;
+  uint16_t AuxHeaderSize;
+  llvm::yaml::Hex16 Flags;
+};
+
+struct AuxiliaryHeader {
+  std::optional<llvm::yaml::Hex16> Magic;
+  std::optional<llvm::yaml::Hex16> Version;
+  std::optional<llvm::yaml::Hex64> TextStartAddr;
+  std::optional<llvm::yaml::Hex64> DataStartAddr;
+  std::optional<llvm::yaml::Hex64> TOCAnchorAddr;
+  std::optional<uint16_t> SecNumOfEntryPoint;
+  std::optional<uint16_t> SecNumOfText;
+  std::optional<uint16_t> SecNumOfData;
+  std::optional<uint16_t> SecNumOfTOC;
+  std::optional<uint16_t> SecNumOfLoader;
+  std::optional<uint16_t> SecNumOfBSS;
+  std::optional<llvm::yaml::Hex16> MaxAlignOfText;
+  std::optional<llvm::yaml::Hex16> MaxAlignOfData;
+  std::optional<llvm::yaml::Hex16> ModuleType;
+  std::optional<llvm::yaml::Hex8> CpuFlag;
+  std::optional<llvm::yaml::Hex8> CpuType;
+  std::optional<llvm::yaml::Hex8> TextPageSize;
+  std::optional<llvm::yaml::Hex8> DataPageSize;
+  std::optional<llvm::yaml::Hex8> StackPageSize;
+  std::optional<llvm::yaml::Hex8> FlagAndTDataAlignment;
+  std::optional<llvm::yaml::Hex64> TextSize;
+  std::optional<llvm::yaml::Hex64> InitDataSize;
+  std::optional<llvm::yaml::Hex64> BssDataSize;
+  std::optional<llvm::yaml::Hex64> EntryPointAddr;
+  std::optional<llvm::yaml::Hex64> MaxStackSize;
+  std::optional<llvm::yaml::Hex64> MaxDataSize;
+  std::optional<uint16_t> SecNumOfTData;
+  std::optional<uint16_t> SecNumOfTBSS;
+  std::optional<llvm::yaml::Hex16> Flag;
+};
+
+struct Relocation {
+  llvm::yaml::Hex64 VirtualAddress;
+  llvm::yaml::Hex64 SymbolIndex;
+  llvm::yaml::Hex8 Info;
+  llvm::yaml::Hex8 Type;
+};
+
+struct Section {
+  StringRef SectionName;
+  llvm::yaml::Hex64 Address;
+  llvm::yaml::Hex64 Size;
+  llvm::yaml::Hex64 FileOffsetToData;
+  llvm::yaml::Hex64 FileOffsetToRelocations;
+  llvm::yaml::Hex64 FileOffsetToLineNumbers; // Line number pointer. Not supported yet.
+  llvm::yaml::Hex16 NumberOfRelocations;
+  llvm::yaml::Hex16 NumberOfLineNumbers; // Line number counts. Not supported yet.
+  uint32_t Flags;
+  std::optional<XCOFF::DwarfSectionSubtypeFlags> SectionSubtype;
+  yaml::BinaryRef SectionData;
+  std::vector<Relocation> Relocations;
+};
+
+enum AuxSymbolType : uint8_t {
+  AUX_EXCEPT = 255,
+  AUX_FCN = 254,
+  AUX_SYM = 253,
+  AUX_FILE = 252,
+  AUX_CSECT = 251,
+  AUX_SECT = 250,
+  AUX_STAT = 249
+};
+
+struct AuxSymbolEnt {
+  AuxSymbolType Type;
+
+  explicit AuxSymbolEnt(AuxSymbolType T) : Type(T) {}
+  virtual ~AuxSymbolEnt();
+};
+
+struct FileAuxEnt : AuxSymbolEnt {
+  std::optional<StringRef> FileNameOrString;
+  std::optional<XCOFF::CFileStringType> FileStringType;
+
+  FileAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_FILE) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_FILE;
+  }
+};
+
+struct CsectAuxEnt : AuxSymbolEnt {
+  // Only for XCOFF32.
+  std::optional<uint32_t> SectionOrLength;
+  std::optional<uint32_t> StabInfoIndex;
+  std::optional<uint16_t> StabSectNum;
+  // Only for XCOFF64.
+  std::optional<uint32_t> SectionOrLengthLo;
+  std::optional<uint32_t> SectionOrLengthHi;
+  // Common fields for both XCOFF32 and XCOFF64.
+  std::optional<uint32_t> ParameterHashIndex;
+  std::optional<uint16_t> TypeChkSectNum;
+  std::optional<XCOFF::SymbolType> SymbolType;
+  std::optional<uint8_t> SymbolAlignment;
+  // The two previous values can be encoded as a single value.
+  std::optional<uint8_t> SymbolAlignmentAndType;
+  std::optional<XCOFF::StorageMappingClass> StorageMappingClass;
+
+  CsectAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_CSECT) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_CSECT;
+  }
+};
+
+struct FunctionAuxEnt : AuxSymbolEnt {
+  std::optional<uint32_t> OffsetToExceptionTbl; // Only for XCOFF32.
+  std::optional<uint64_t> PtrToLineNum;
+  std::optional<uint32_t> SizeOfFunction;
+  std::optional<int32_t> SymIdxOfNextBeyond;
+
+  FunctionAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_FCN) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_FCN;
+  }
+};
+
+struct ExcpetionAuxEnt : AuxSymbolEnt {
+  std::optional<uint64_t> OffsetToExceptionTbl;
+  std::optional<uint32_t> SizeOfFunction;
+  std::optional<int32_t> SymIdxOfNextBeyond;
+
+  ExcpetionAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_EXCEPT) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_EXCEPT;
+  }
+}; // Only for XCOFF64.
+
+struct BlockAuxEnt : AuxSymbolEnt {
+  // Only for XCOFF32.
+  std::optional<uint16_t> LineNumHi;
+  std::optional<uint16_t> LineNumLo;
+  // Only for XCOFF64.
+  std::optional<uint32_t> LineNum;
+
+  BlockAuxEnt() : AuxSymbolEnt(AuxSymbolType::AUX_SYM) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_SYM;
+  }
+};
+
+struct SectAuxEntForDWARF : AuxSymbolEnt {
+  std::optional<uint32_t> LengthOfSectionPortion;
+  std::optional<uint32_t> NumberOfRelocEnt;
+
+  SectAuxEntForDWARF() : AuxSymbolEnt(AuxSymbolType::AUX_SECT) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_SECT;
+  }
+};
+
+struct SectAuxEntForStat : AuxSymbolEnt {
+  std::optional<uint32_t> SectionLength;
+  std::optional<uint16_t> NumberOfRelocEnt;
+  std::optional<uint16_t> NumberOfLineNum;
+
+  SectAuxEntForStat() : AuxSymbolEnt(AuxSymbolType::AUX_STAT) {}
+  static bool classof(const AuxSymbolEnt *S) {
+    return S->Type == AuxSymbolType::AUX_STAT;
+  }
+}; // Only for XCOFF32.
+
+struct Symbol {
+  StringRef SymbolName;
+  llvm::yaml::Hex64 Value; // Symbol value; storage class-dependent.
+  std::optional<StringRef> SectionName;
+  std::optional<uint16_t> SectionIndex;
+  llvm::yaml::Hex16 Type;
+  XCOFF::StorageClass StorageClass;
+  std::optional<uint8_t> NumberOfAuxEntries;
+  std::vector<std::unique_ptr<AuxSymbolEnt>> AuxEntries;
+};
+
+struct StringTable {
+  std::optional<uint32_t> ContentSize; // The total size of the string table.
+  std::optional<uint32_t> Length; // The value of the length field for the first
+                                  // 4 bytes of the table.
+  std::optional<std::vector<StringRef>> Strings;
+  std::optional<yaml::BinaryRef> RawContent;
+};
+
+struct Object {
+  FileHeader Header;
+  std::optional<AuxiliaryHeader> AuxHeader;
+  std::vector<Section> Sections;
+  std::vector<Symbol> Symbols;
+  StringTable StrTbl;
+  Object();
+};
+} // namespace XCOFFYAML
+} // namespace llvm
+
+LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Symbol)
+LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Relocation)
+LLVM_YAML_IS_SEQUENCE_VECTOR(XCOFFYAML::Section)
+LLVM_YAML_IS_SEQUENCE_VECTOR(std::unique_ptr<llvm::XCOFFYAML::AuxSymbolEnt>)
+
+namespace llvm {
+namespace yaml {
+
+template <> struct ScalarBitSetTraits<XCOFF::SectionTypeFlags> {
+  static void bitset(IO &IO, XCOFF::SectionTypeFlags &Value);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFF::DwarfSectionSubtypeFlags> {
+  static void enumeration(IO &IO, XCOFF::DwarfSectionSubtypeFlags &Value);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFF::StorageClass> {
+  static void enumeration(IO &IO, XCOFF::StorageClass &Value);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFF::StorageMappingClass> {
+  static void enumeration(IO &IO, XCOFF::StorageMappingClass &Value);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFF::SymbolType> {
+  static void enumeration(IO &IO, XCOFF::SymbolType &Value);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFF::CFileStringType> {
+  static void enumeration(IO &IO, XCOFF::CFileStringType &Type);
+};
+
+template <> struct ScalarEnumerationTraits<XCOFFYAML::AuxSymbolType> {
+  static void enumeration(IO &IO, XCOFFYAML::AuxSymbolType &Type);
+};
+
+template <> struct MappingTraits<XCOFFYAML::FileHeader> {
+  static void mapping(IO &IO, XCOFFYAML::FileHeader &H);
+};
+
+template <> struct MappingTraits<XCOFFYAML::AuxiliaryHeader> {
+  static void mapping(IO &IO, XCOFFYAML::AuxiliaryHeader &AuxHdr);
+};
+
+template <> struct MappingTraits<std::unique_ptr<XCOFFYAML::AuxSymbolEnt>> {
+  static void mapping(IO &IO, std::unique_ptr<XCOFFYAML::AuxSymbolEnt> &AuxSym);
+};
+
+template <> struct MappingTraits<XCOFFYAML::Symbol> {
+  static void mapping(IO &IO, XCOFFYAML::Symbol &S);
+};
+
+template <> struct MappingTraits<XCOFFYAML::Relocation> {
+  static void mapping(IO &IO, XCOFFYAML::Relocation &R);
+};
+
+template <> struct MappingTraits<XCOFFYAML::Section> {
+  static void mapping(IO &IO, XCOFFYAML::Section &Sec);
+};
+
+template <> struct MappingTraits<XCOFFYAML::StringTable> {
+  static void mapping(IO &IO, XCOFFYAML::StringTable &Str);
+};
+
+template <> struct MappingTraits<XCOFFYAML::Object> {
+  static void mapping(IO &IO, XCOFFYAML::Object &Obj);
+};
+
+} // namespace yaml
+} // namespace llvm
+
+#endif // LLVM_OBJECTYAML_XCOFFYAML_H