Line data Source code
1 : //===- DWARFYAML.cpp - DWARF YAMLIO implementation ------------------------===//
2 : //
3 : // The LLVM Compiler Infrastructure
4 : //
5 : // This file is distributed under the University of Illinois Open Source
6 : // License. See LICENSE.TXT for details.
7 : //
8 : //===----------------------------------------------------------------------===//
9 : //
10 : // This file defines classes for handling the YAML representation of DWARF Debug
11 : // Info.
12 : //
13 : //===----------------------------------------------------------------------===//
14 :
15 : #include "llvm/ObjectYAML/DWARFYAML.h"
16 :
17 : namespace llvm {
18 :
19 71 : bool DWARFYAML::Data::isEmpty() const {
20 213 : return 0 == DebugStrings.size() + AbbrevDecls.size();
21 : }
22 :
23 : namespace yaml {
24 :
25 41 : void MappingTraits<DWARFYAML::Data>::mapping(IO &IO, DWARFYAML::Data &DWARF) {
26 41 : auto oldContext = IO.getContext();
27 41 : IO.setContext(&DWARF);
28 41 : IO.mapOptional("debug_str", DWARF.DebugStrings);
29 41 : IO.mapOptional("debug_abbrev", DWARF.AbbrevDecls);
30 41 : if (!DWARF.ARanges.empty() || !IO.outputting())
31 34 : IO.mapOptional("debug_aranges", DWARF.ARanges);
32 41 : if (!DWARF.PubNames.Entries.empty() || !IO.outputting())
33 32 : IO.mapOptional("debug_pubnames", DWARF.PubNames);
34 41 : if (!DWARF.PubTypes.Entries.empty() || !IO.outputting())
35 32 : IO.mapOptional("debug_pubtypes", DWARF.PubTypes);
36 41 : if (!DWARF.GNUPubNames.Entries.empty() || !IO.outputting())
37 30 : IO.mapOptional("debug_gnu_pubnames", DWARF.GNUPubNames);
38 41 : if (!DWARF.GNUPubTypes.Entries.empty() || !IO.outputting())
39 30 : IO.mapOptional("debug_gnu_pubtypes", DWARF.GNUPubTypes);
40 41 : IO.mapOptional("debug_info", DWARF.CompileUnits);
41 41 : IO.mapOptional("debug_line", DWARF.DebugLines);
42 41 : IO.setContext(&oldContext);
43 41 : }
44 :
45 103 : void MappingTraits<DWARFYAML::Abbrev>::mapping(IO &IO,
46 : DWARFYAML::Abbrev &Abbrev) {
47 103 : IO.mapRequired("Code", Abbrev.Code);
48 103 : IO.mapRequired("Tag", Abbrev.Tag);
49 103 : IO.mapRequired("Children", Abbrev.Children);
50 103 : IO.mapRequired("Attributes", Abbrev.Attributes);
51 103 : }
52 :
53 453 : void MappingTraits<DWARFYAML::AttributeAbbrev>::mapping(
54 : IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev) {
55 453 : IO.mapRequired("Attribute", AttAbbrev.Attribute);
56 453 : IO.mapRequired("Form", AttAbbrev.Form);
57 453 : if(AttAbbrev.Form == dwarf::DW_FORM_implicit_const)
58 2 : IO.mapRequired("Value", AttAbbrev.Value);
59 453 : }
60 :
61 8 : void MappingTraits<DWARFYAML::ARangeDescriptor>::mapping(
62 : IO &IO, DWARFYAML::ARangeDescriptor &Descriptor) {
63 8 : IO.mapRequired("Address", Descriptor.Address);
64 8 : IO.mapRequired("Length", Descriptor.Length);
65 8 : }
66 :
67 8 : void MappingTraits<DWARFYAML::ARange>::mapping(IO &IO,
68 : DWARFYAML::ARange &Range) {
69 8 : IO.mapRequired("Length", Range.Length);
70 8 : IO.mapRequired("Version", Range.Version);
71 8 : IO.mapRequired("CuOffset", Range.CuOffset);
72 8 : IO.mapRequired("AddrSize", Range.AddrSize);
73 8 : IO.mapRequired("SegSize", Range.SegSize);
74 8 : IO.mapRequired("Descriptors", Range.Descriptors);
75 8 : }
76 :
77 12 : void MappingTraits<DWARFYAML::PubEntry>::mapping(IO &IO,
78 : DWARFYAML::PubEntry &Entry) {
79 12 : IO.mapRequired("DieOffset", Entry.DieOffset);
80 12 : if (reinterpret_cast<DWARFYAML::PubSection *>(IO.getContext())->IsGNUStyle)
81 0 : IO.mapRequired("Descriptor", Entry.Descriptor);
82 12 : IO.mapRequired("Name", Entry.Name);
83 12 : }
84 :
85 8 : void MappingTraits<DWARFYAML::PubSection>::mapping(
86 : IO &IO, DWARFYAML::PubSection &Section) {
87 8 : auto OldContext = IO.getContext();
88 8 : IO.setContext(&Section);
89 :
90 8 : IO.mapRequired("Length", Section.Length);
91 8 : IO.mapRequired("Version", Section.Version);
92 8 : IO.mapRequired("UnitOffset", Section.UnitOffset);
93 8 : IO.mapRequired("UnitSize", Section.UnitSize);
94 8 : IO.mapRequired("Entries", Section.Entries);
95 :
96 8 : IO.setContext(OldContext);
97 8 : }
98 :
99 28 : void MappingTraits<DWARFYAML::Unit>::mapping(IO &IO, DWARFYAML::Unit &Unit) {
100 28 : IO.mapRequired("Length", Unit.Length);
101 28 : IO.mapRequired("Version", Unit.Version);
102 28 : if (Unit.Version >= 5)
103 2 : IO.mapRequired("UnitType", Unit.Type);
104 28 : IO.mapRequired("AbbrOffset", Unit.AbbrOffset);
105 28 : IO.mapRequired("AddrSize", Unit.AddrSize);
106 28 : IO.mapOptional("Entries", Unit.Entries);
107 28 : }
108 :
109 113 : void MappingTraits<DWARFYAML::Entry>::mapping(IO &IO, DWARFYAML::Entry &Entry) {
110 113 : IO.mapRequired("AbbrCode", Entry.AbbrCode);
111 113 : IO.mapRequired("Values", Entry.Values);
112 113 : }
113 :
114 332 : void MappingTraits<DWARFYAML::FormValue>::mapping(
115 : IO &IO, DWARFYAML::FormValue &FormValue) {
116 332 : IO.mapOptional("Value", FormValue.Value);
117 332 : if (!FormValue.CStr.empty() || !IO.outputting())
118 205 : IO.mapOptional("CStr", FormValue.CStr);
119 332 : if (!FormValue.BlockData.empty() || !IO.outputting())
120 217 : IO.mapOptional("BlockData", FormValue.BlockData);
121 332 : }
122 :
123 12 : void MappingTraits<DWARFYAML::File>::mapping(IO &IO, DWARFYAML::File &File) {
124 12 : IO.mapRequired("Name", File.Name);
125 12 : IO.mapRequired("DirIdx", File.DirIdx);
126 12 : IO.mapRequired("ModTime", File.ModTime);
127 12 : IO.mapRequired("Length", File.Length);
128 12 : }
129 :
130 82 : void MappingTraits<DWARFYAML::LineTableOpcode>::mapping(
131 : IO &IO, DWARFYAML::LineTableOpcode &LineTableOpcode) {
132 82 : IO.mapRequired("Opcode", LineTableOpcode.Opcode);
133 82 : if (LineTableOpcode.Opcode == dwarf::DW_LNS_extended_op) {
134 22 : IO.mapRequired("ExtLen", LineTableOpcode.ExtLen);
135 22 : IO.mapRequired("SubOpcode", LineTableOpcode.SubOpcode);
136 : }
137 :
138 82 : if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
139 55 : IO.mapOptional("UnknownOpcodeData", LineTableOpcode.UnknownOpcodeData);
140 82 : if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
141 55 : IO.mapOptional("StandardOpcodeData", LineTableOpcode.StandardOpcodeData);
142 82 : if (!LineTableOpcode.FileEntry.Name.empty() || !IO.outputting())
143 55 : IO.mapOptional("FileEntry", LineTableOpcode.FileEntry);
144 82 : if (LineTableOpcode.Opcode == dwarf::DW_LNS_advance_line || !IO.outputting())
145 55 : IO.mapOptional("SData", LineTableOpcode.SData);
146 82 : IO.mapOptional("Data", LineTableOpcode.Data);
147 82 : }
148 :
149 11 : void MappingTraits<DWARFYAML::LineTable>::mapping(
150 : IO &IO, DWARFYAML::LineTable &LineTable) {
151 11 : IO.mapRequired("Length", LineTable.Length);
152 11 : IO.mapRequired("Version", LineTable.Version);
153 11 : IO.mapRequired("PrologueLength", LineTable.PrologueLength);
154 11 : IO.mapRequired("MinInstLength", LineTable.MinInstLength);
155 11 : if(LineTable.Version >= 4)
156 0 : IO.mapRequired("MaxOpsPerInst", LineTable.MaxOpsPerInst);
157 11 : IO.mapRequired("DefaultIsStmt", LineTable.DefaultIsStmt);
158 11 : IO.mapRequired("LineBase", LineTable.LineBase);
159 11 : IO.mapRequired("LineRange", LineTable.LineRange);
160 11 : IO.mapRequired("OpcodeBase", LineTable.OpcodeBase);
161 11 : IO.mapRequired("StandardOpcodeLengths", LineTable.StandardOpcodeLengths);
162 11 : IO.mapRequired("IncludeDirs", LineTable.IncludeDirs);
163 11 : IO.mapRequired("Files", LineTable.Files);
164 11 : IO.mapRequired("Opcodes", LineTable.Opcodes);
165 11 : }
166 :
167 55 : void MappingTraits<DWARFYAML::InitialLength>::mapping(
168 : IO &IO, DWARFYAML::InitialLength &InitialLength) {
169 55 : IO.mapRequired("TotalLength", InitialLength.TotalLength);
170 55 : if (InitialLength.isDWARF64())
171 0 : IO.mapRequired("TotalLength64", InitialLength.TotalLength64);
172 55 : }
173 :
174 : } // end namespace yaml
175 :
176 : } // end namespace llvm
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