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ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
309 lines
8.3 KiB
C++
309 lines
8.3 KiB
C++
//===- DWARFYAML.h - DWARF 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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/// \file
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/// This file declares classes for handling the YAML representation
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/// of DWARF Debug Info.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECTYAML_DWARFYAML_H
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#define LLVM_OBJECTYAML_DWARFYAML_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/Support/YAMLTraits.h"
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#include <cstdint>
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#include <vector>
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namespace llvm {
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namespace DWARFYAML {
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struct InitialLength {
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uint32_t TotalLength;
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uint64_t TotalLength64;
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bool isDWARF64() const { return TotalLength == UINT32_MAX; }
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uint64_t getLength() const {
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return isDWARF64() ? TotalLength64 : TotalLength;
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}
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void setLength(uint64_t Len) {
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if (Len >= (uint64_t)UINT32_MAX) {
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TotalLength64 = Len;
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TotalLength = UINT32_MAX;
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} else {
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TotalLength = Len;
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}
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}
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};
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struct AttributeAbbrev {
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llvm::dwarf::Attribute Attribute;
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llvm::dwarf::Form Form;
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llvm::yaml::Hex64 Value; // Some DWARF5 attributes have values
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};
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struct Abbrev {
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llvm::yaml::Hex32 Code;
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llvm::dwarf::Tag Tag;
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llvm::dwarf::Constants Children;
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std::vector<AttributeAbbrev> Attributes;
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};
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struct ARangeDescriptor {
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llvm::yaml::Hex64 Address;
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uint64_t Length;
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};
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struct ARange {
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InitialLength Length;
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uint16_t Version;
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uint32_t CuOffset;
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uint8_t AddrSize;
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uint8_t SegSize;
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std::vector<ARangeDescriptor> Descriptors;
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};
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struct PubEntry {
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llvm::yaml::Hex32 DieOffset;
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llvm::yaml::Hex8 Descriptor;
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StringRef Name;
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};
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struct PubSection {
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InitialLength Length;
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uint16_t Version;
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uint32_t UnitOffset;
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uint32_t UnitSize;
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bool IsGNUStyle = false;
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std::vector<PubEntry> Entries;
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};
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struct FormValue {
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llvm::yaml::Hex64 Value;
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StringRef CStr;
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std::vector<llvm::yaml::Hex8> BlockData;
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};
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struct Entry {
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llvm::yaml::Hex32 AbbrCode;
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std::vector<FormValue> Values;
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};
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struct Unit {
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InitialLength Length;
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uint16_t Version;
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llvm::dwarf::UnitType Type; // Added in DWARF 5
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uint32_t AbbrOffset;
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uint8_t AddrSize;
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std::vector<Entry> Entries;
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};
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struct File {
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StringRef Name;
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uint64_t DirIdx;
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uint64_t ModTime;
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uint64_t Length;
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};
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struct LineTableOpcode {
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dwarf::LineNumberOps Opcode;
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uint64_t ExtLen;
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dwarf::LineNumberExtendedOps SubOpcode;
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uint64_t Data;
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int64_t SData;
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File FileEntry;
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std::vector<llvm::yaml::Hex8> UnknownOpcodeData;
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std::vector<llvm::yaml::Hex64> StandardOpcodeData;
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};
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struct LineTable {
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InitialLength Length;
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uint16_t Version;
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uint64_t PrologueLength;
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uint8_t MinInstLength;
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uint8_t MaxOpsPerInst;
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uint8_t DefaultIsStmt;
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uint8_t LineBase;
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uint8_t LineRange;
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uint8_t OpcodeBase;
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std::vector<uint8_t> StandardOpcodeLengths;
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std::vector<StringRef> IncludeDirs;
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std::vector<File> Files;
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std::vector<LineTableOpcode> Opcodes;
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};
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struct Data {
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bool IsLittleEndian;
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std::vector<Abbrev> AbbrevDecls;
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std::vector<StringRef> DebugStrings;
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std::vector<ARange> ARanges;
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PubSection PubNames;
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PubSection PubTypes;
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PubSection GNUPubNames;
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PubSection GNUPubTypes;
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std::vector<Unit> CompileUnits;
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std::vector<LineTable> DebugLines;
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bool isEmpty() const;
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};
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} // end namespace DWARFYAML
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} // end namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::Hex64)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::Hex8)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::AttributeAbbrev)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Abbrev)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::ARangeDescriptor)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::ARange)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::PubEntry)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Unit)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::FormValue)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Entry)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::File)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::LineTable)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::LineTableOpcode)
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namespace llvm {
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namespace yaml {
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template <> struct MappingTraits<DWARFYAML::Data> {
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static void mapping(IO &IO, DWARFYAML::Data &DWARF);
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};
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template <> struct MappingTraits<DWARFYAML::Abbrev> {
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static void mapping(IO &IO, DWARFYAML::Abbrev &Abbrev);
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};
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template <> struct MappingTraits<DWARFYAML::AttributeAbbrev> {
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static void mapping(IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev);
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};
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template <> struct MappingTraits<DWARFYAML::ARangeDescriptor> {
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static void mapping(IO &IO, DWARFYAML::ARangeDescriptor &Descriptor);
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};
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template <> struct MappingTraits<DWARFYAML::ARange> {
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static void mapping(IO &IO, DWARFYAML::ARange &Range);
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};
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template <> struct MappingTraits<DWARFYAML::PubEntry> {
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static void mapping(IO &IO, DWARFYAML::PubEntry &Entry);
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};
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template <> struct MappingTraits<DWARFYAML::PubSection> {
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static void mapping(IO &IO, DWARFYAML::PubSection &Section);
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};
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template <> struct MappingTraits<DWARFYAML::Unit> {
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static void mapping(IO &IO, DWARFYAML::Unit &Unit);
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};
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template <> struct MappingTraits<DWARFYAML::Entry> {
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static void mapping(IO &IO, DWARFYAML::Entry &Entry);
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};
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template <> struct MappingTraits<DWARFYAML::FormValue> {
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static void mapping(IO &IO, DWARFYAML::FormValue &FormValue);
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};
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template <> struct MappingTraits<DWARFYAML::File> {
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static void mapping(IO &IO, DWARFYAML::File &File);
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};
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template <> struct MappingTraits<DWARFYAML::LineTableOpcode> {
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static void mapping(IO &IO, DWARFYAML::LineTableOpcode &LineTableOpcode);
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};
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template <> struct MappingTraits<DWARFYAML::LineTable> {
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static void mapping(IO &IO, DWARFYAML::LineTable &LineTable);
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};
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template <> struct MappingTraits<DWARFYAML::InitialLength> {
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static void mapping(IO &IO, DWARFYAML::InitialLength &DWARF);
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};
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#define HANDLE_DW_TAG(unused, name, unused2, unused3) \
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io.enumCase(value, "DW_TAG_" #name, dwarf::DW_TAG_##name);
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template <> struct ScalarEnumerationTraits<dwarf::Tag> {
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static void enumeration(IO &io, dwarf::Tag &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex16>(value);
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}
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};
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#define HANDLE_DW_LNS(unused, name) \
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io.enumCase(value, "DW_LNS_" #name, dwarf::DW_LNS_##name);
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template <> struct ScalarEnumerationTraits<dwarf::LineNumberOps> {
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static void enumeration(IO &io, dwarf::LineNumberOps &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex8>(value);
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}
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};
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#define HANDLE_DW_LNE(unused, name) \
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io.enumCase(value, "DW_LNE_" #name, dwarf::DW_LNE_##name);
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template <> struct ScalarEnumerationTraits<dwarf::LineNumberExtendedOps> {
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static void enumeration(IO &io, dwarf::LineNumberExtendedOps &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex16>(value);
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}
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};
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#define HANDLE_DW_AT(unused, name, unused2, unused3) \
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io.enumCase(value, "DW_AT_" #name, dwarf::DW_AT_##name);
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template <> struct ScalarEnumerationTraits<dwarf::Attribute> {
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static void enumeration(IO &io, dwarf::Attribute &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex16>(value);
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}
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};
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#define HANDLE_DW_FORM(unused, name, unused2, unused3) \
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io.enumCase(value, "DW_FORM_" #name, dwarf::DW_FORM_##name);
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template <> struct ScalarEnumerationTraits<dwarf::Form> {
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static void enumeration(IO &io, dwarf::Form &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex16>(value);
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}
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};
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#define HANDLE_DW_UT(unused, name) \
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io.enumCase(value, "DW_UT_" #name, dwarf::DW_UT_##name);
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template <> struct ScalarEnumerationTraits<dwarf::UnitType> {
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static void enumeration(IO &io, dwarf::UnitType &value) {
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#include "llvm/BinaryFormat/Dwarf.def"
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io.enumFallback<Hex8>(value);
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}
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};
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template <> struct ScalarEnumerationTraits<dwarf::Constants> {
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static void enumeration(IO &io, dwarf::Constants &value) {
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io.enumCase(value, "DW_CHILDREN_no", dwarf::DW_CHILDREN_no);
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io.enumCase(value, "DW_CHILDREN_yes", dwarf::DW_CHILDREN_yes);
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io.enumFallback<Hex16>(value);
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}
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};
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} // end namespace yaml
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} // end namespace llvm
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#endif // LLVM_OBJECTYAML_DWARFYAML_H
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