1 //===- DWARFYAML.cpp - DWARF YAMLIO implementation ------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines classes for handling the YAML representation of DWARF Debug
10 // Info.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/ObjectYAML/DWARFYAML.h"
15
16 namespace llvm {
17
isEmpty() const18 bool DWARFYAML::Data::isEmpty() const {
19 return 0 == DebugStrings.size() + AbbrevDecls.size();
20 }
21
22 namespace yaml {
23
mapping(IO & IO,DWARFYAML::Data & DWARF)24 void MappingTraits<DWARFYAML::Data>::mapping(IO &IO, DWARFYAML::Data &DWARF) {
25 auto oldContext = IO.getContext();
26 IO.setContext(&DWARF);
27 IO.mapOptional("debug_str", DWARF.DebugStrings);
28 IO.mapOptional("debug_abbrev", DWARF.AbbrevDecls);
29 if (!DWARF.ARanges.empty() || !IO.outputting())
30 IO.mapOptional("debug_aranges", DWARF.ARanges);
31 if (!DWARF.PubNames.Entries.empty() || !IO.outputting())
32 IO.mapOptional("debug_pubnames", DWARF.PubNames);
33 if (!DWARF.PubTypes.Entries.empty() || !IO.outputting())
34 IO.mapOptional("debug_pubtypes", DWARF.PubTypes);
35 if (!DWARF.GNUPubNames.Entries.empty() || !IO.outputting())
36 IO.mapOptional("debug_gnu_pubnames", DWARF.GNUPubNames);
37 if (!DWARF.GNUPubTypes.Entries.empty() || !IO.outputting())
38 IO.mapOptional("debug_gnu_pubtypes", DWARF.GNUPubTypes);
39 IO.mapOptional("debug_info", DWARF.CompileUnits);
40 IO.mapOptional("debug_line", DWARF.DebugLines);
41 IO.setContext(&oldContext);
42 }
43
mapping(IO & IO,DWARFYAML::Abbrev & Abbrev)44 void MappingTraits<DWARFYAML::Abbrev>::mapping(IO &IO,
45 DWARFYAML::Abbrev &Abbrev) {
46 IO.mapRequired("Code", Abbrev.Code);
47 IO.mapRequired("Tag", Abbrev.Tag);
48 IO.mapRequired("Children", Abbrev.Children);
49 IO.mapRequired("Attributes", Abbrev.Attributes);
50 }
51
mapping(IO & IO,DWARFYAML::AttributeAbbrev & AttAbbrev)52 void MappingTraits<DWARFYAML::AttributeAbbrev>::mapping(
53 IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev) {
54 IO.mapRequired("Attribute", AttAbbrev.Attribute);
55 IO.mapRequired("Form", AttAbbrev.Form);
56 if(AttAbbrev.Form == dwarf::DW_FORM_implicit_const)
57 IO.mapRequired("Value", AttAbbrev.Value);
58 }
59
mapping(IO & IO,DWARFYAML::ARangeDescriptor & Descriptor)60 void MappingTraits<DWARFYAML::ARangeDescriptor>::mapping(
61 IO &IO, DWARFYAML::ARangeDescriptor &Descriptor) {
62 IO.mapRequired("Address", Descriptor.Address);
63 IO.mapRequired("Length", Descriptor.Length);
64 }
65
mapping(IO & IO,DWARFYAML::ARange & Range)66 void MappingTraits<DWARFYAML::ARange>::mapping(IO &IO,
67 DWARFYAML::ARange &Range) {
68 IO.mapRequired("Length", Range.Length);
69 IO.mapRequired("Version", Range.Version);
70 IO.mapRequired("CuOffset", Range.CuOffset);
71 IO.mapRequired("AddrSize", Range.AddrSize);
72 IO.mapRequired("SegSize", Range.SegSize);
73 IO.mapRequired("Descriptors", Range.Descriptors);
74 }
75
mapping(IO & IO,DWARFYAML::PubEntry & Entry)76 void MappingTraits<DWARFYAML::PubEntry>::mapping(IO &IO,
77 DWARFYAML::PubEntry &Entry) {
78 IO.mapRequired("DieOffset", Entry.DieOffset);
79 if (reinterpret_cast<DWARFYAML::PubSection *>(IO.getContext())->IsGNUStyle)
80 IO.mapRequired("Descriptor", Entry.Descriptor);
81 IO.mapRequired("Name", Entry.Name);
82 }
83
mapping(IO & IO,DWARFYAML::PubSection & Section)84 void MappingTraits<DWARFYAML::PubSection>::mapping(
85 IO &IO, DWARFYAML::PubSection &Section) {
86 auto OldContext = IO.getContext();
87 IO.setContext(&Section);
88
89 IO.mapRequired("Length", Section.Length);
90 IO.mapRequired("Version", Section.Version);
91 IO.mapRequired("UnitOffset", Section.UnitOffset);
92 IO.mapRequired("UnitSize", Section.UnitSize);
93 IO.mapRequired("Entries", Section.Entries);
94
95 IO.setContext(OldContext);
96 }
97
mapping(IO & IO,DWARFYAML::Unit & Unit)98 void MappingTraits<DWARFYAML::Unit>::mapping(IO &IO, DWARFYAML::Unit &Unit) {
99 IO.mapRequired("Length", Unit.Length);
100 IO.mapRequired("Version", Unit.Version);
101 if (Unit.Version >= 5)
102 IO.mapRequired("UnitType", Unit.Type);
103 IO.mapRequired("AbbrOffset", Unit.AbbrOffset);
104 IO.mapRequired("AddrSize", Unit.AddrSize);
105 IO.mapOptional("Entries", Unit.Entries);
106 }
107
mapping(IO & IO,DWARFYAML::Entry & Entry)108 void MappingTraits<DWARFYAML::Entry>::mapping(IO &IO, DWARFYAML::Entry &Entry) {
109 IO.mapRequired("AbbrCode", Entry.AbbrCode);
110 IO.mapRequired("Values", Entry.Values);
111 }
112
mapping(IO & IO,DWARFYAML::FormValue & FormValue)113 void MappingTraits<DWARFYAML::FormValue>::mapping(
114 IO &IO, DWARFYAML::FormValue &FormValue) {
115 IO.mapOptional("Value", FormValue.Value);
116 if (!FormValue.CStr.empty() || !IO.outputting())
117 IO.mapOptional("CStr", FormValue.CStr);
118 if (!FormValue.BlockData.empty() || !IO.outputting())
119 IO.mapOptional("BlockData", FormValue.BlockData);
120 }
121
mapping(IO & IO,DWARFYAML::File & File)122 void MappingTraits<DWARFYAML::File>::mapping(IO &IO, DWARFYAML::File &File) {
123 IO.mapRequired("Name", File.Name);
124 IO.mapRequired("DirIdx", File.DirIdx);
125 IO.mapRequired("ModTime", File.ModTime);
126 IO.mapRequired("Length", File.Length);
127 }
128
mapping(IO & IO,DWARFYAML::LineTableOpcode & LineTableOpcode)129 void MappingTraits<DWARFYAML::LineTableOpcode>::mapping(
130 IO &IO, DWARFYAML::LineTableOpcode &LineTableOpcode) {
131 IO.mapRequired("Opcode", LineTableOpcode.Opcode);
132 if (LineTableOpcode.Opcode == dwarf::DW_LNS_extended_op) {
133 IO.mapRequired("ExtLen", LineTableOpcode.ExtLen);
134 IO.mapRequired("SubOpcode", LineTableOpcode.SubOpcode);
135 }
136
137 if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
138 IO.mapOptional("UnknownOpcodeData", LineTableOpcode.UnknownOpcodeData);
139 if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
140 IO.mapOptional("StandardOpcodeData", LineTableOpcode.StandardOpcodeData);
141 if (!LineTableOpcode.FileEntry.Name.empty() || !IO.outputting())
142 IO.mapOptional("FileEntry", LineTableOpcode.FileEntry);
143 if (LineTableOpcode.Opcode == dwarf::DW_LNS_advance_line || !IO.outputting())
144 IO.mapOptional("SData", LineTableOpcode.SData);
145 IO.mapOptional("Data", LineTableOpcode.Data);
146 }
147
mapping(IO & IO,DWARFYAML::LineTable & LineTable)148 void MappingTraits<DWARFYAML::LineTable>::mapping(
149 IO &IO, DWARFYAML::LineTable &LineTable) {
150 IO.mapRequired("Length", LineTable.Length);
151 IO.mapRequired("Version", LineTable.Version);
152 IO.mapRequired("PrologueLength", LineTable.PrologueLength);
153 IO.mapRequired("MinInstLength", LineTable.MinInstLength);
154 if(LineTable.Version >= 4)
155 IO.mapRequired("MaxOpsPerInst", LineTable.MaxOpsPerInst);
156 IO.mapRequired("DefaultIsStmt", LineTable.DefaultIsStmt);
157 IO.mapRequired("LineBase", LineTable.LineBase);
158 IO.mapRequired("LineRange", LineTable.LineRange);
159 IO.mapRequired("OpcodeBase", LineTable.OpcodeBase);
160 IO.mapRequired("StandardOpcodeLengths", LineTable.StandardOpcodeLengths);
161 IO.mapRequired("IncludeDirs", LineTable.IncludeDirs);
162 IO.mapRequired("Files", LineTable.Files);
163 IO.mapRequired("Opcodes", LineTable.Opcodes);
164 }
165
mapping(IO & IO,DWARFYAML::InitialLength & InitialLength)166 void MappingTraits<DWARFYAML::InitialLength>::mapping(
167 IO &IO, DWARFYAML::InitialLength &InitialLength) {
168 IO.mapRequired("TotalLength", InitialLength.TotalLength);
169 if (InitialLength.isDWARF64())
170 IO.mapRequired("TotalLength64", InitialLength.TotalLength64);
171 }
172
173 } // end namespace yaml
174
175 } // end namespace llvm
176