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 bool DWARFYAML::Data::isEmpty() const {
20   return 0 == DebugStrings.size() + AbbrevDecls.size();
21 }
22 
23 namespace yaml {
24 
25 void MappingTraits<DWARFYAML::Data>::mapping(
26     IO &IO, DWARFYAML::Data &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 }
40 
41 void MappingTraits<DWARFYAML::Abbrev>::mapping(
42     IO &IO, DWARFYAML::Abbrev &Abbrev) {
43   IO.mapRequired("Code", Abbrev.Code);
44   IO.mapRequired("Tag", Abbrev.Tag);
45   IO.mapRequired("Children", Abbrev.Children);
46   IO.mapRequired("Attributes", Abbrev.Attributes);
47 }
48 
49 void MappingTraits<DWARFYAML::AttributeAbbrev>::mapping(
50     IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev) {
51   IO.mapRequired("Attribute", AttAbbrev.Attribute);
52   IO.mapRequired("Form", AttAbbrev.Form);
53 }
54 
55 void MappingTraits<DWARFYAML::ARangeDescriptor>::mapping(
56     IO &IO, DWARFYAML::ARangeDescriptor &Descriptor) {
57   IO.mapRequired("Address", Descriptor.Address);
58   IO.mapRequired("Length", Descriptor.Length);
59 }
60 
61 void MappingTraits<DWARFYAML::ARange>::mapping(IO &IO,
62                                                 DWARFYAML::ARange &Range) {
63   IO.mapRequired("Length", Range.Length);
64   IO.mapRequired("Version", Range.Version);
65   IO.mapRequired("CuOffset", Range.CuOffset);
66   IO.mapRequired("AddrSize", Range.AddrSize);
67   IO.mapRequired("SegSize", Range.SegSize);
68   IO.mapRequired("Descriptors", Range.Descriptors);
69 }
70 
71 void MappingTraits<DWARFYAML::PubEntry>::mapping(IO &IO,
72                                                  DWARFYAML::PubEntry &Entry) {
73   IO.mapRequired("DieOffset", Entry.DieOffset);
74   if (reinterpret_cast<DWARFYAML::PubSection *>(IO.getContext())->IsGNUStyle)
75     IO.mapRequired("Descriptor", Entry.Descriptor);
76   IO.mapRequired("Name", Entry.Name);
77 }
78 
79 void MappingTraits<DWARFYAML::PubSection>::mapping(
80     IO &IO, DWARFYAML::PubSection &Section) {
81   auto OldContext = IO.getContext();
82   IO.setContext(&Section);
83 
84   IO.mapRequired("Length", Section.Length);
85   IO.mapRequired("Version", Section.Version);
86   IO.mapRequired("UnitOffset", Section.UnitOffset);
87   IO.mapRequired("UnitSize", Section.UnitSize);
88   IO.mapRequired("Entries", Section.Entries);
89 
90   IO.setContext(OldContext);
91 }
92 
93 } // namespace llvm::yaml
94 
95 } // namespace llvm
96