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4a3c52750c
Summary: The patch implements the mapping of the Yaml information to XCOFF object file to enable the yaml2obj tool for XCOFF. Currently only 32-bit is supported. Reviewed By: jhenderson, shchenz Differential Revision: https://reviews.llvm.org/D95505
111 lines
3.0 KiB
C++
111 lines
3.0 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 <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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uint32_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 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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yaml::BinaryRef SectionData;
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std::vector<Relocation> Relocations;
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};
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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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StringRef SectionName;
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llvm::yaml::Hex16 Type;
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XCOFF::StorageClass StorageClass;
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uint8_t NumberOfAuxEntries;
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};
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struct Object {
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FileHeader Header;
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std::vector<Section> Sections;
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std::vector<Symbol> Symbols;
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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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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::StorageClass> {
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static void enumeration(IO &IO, XCOFF::StorageClass &Value);
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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::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::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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