LLVM  4.0.0
DWARFYAML.cpp
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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 
16 
17 namespace llvm {
18 
20  return 0 == DebugStrings.size() + AbbrevDecls.size();
21 }
22 
23 namespace yaml {
24 
26  auto oldContext = IO.getContext();
27  IO.setContext(&DWARF);
28  IO.mapOptional("debug_str", DWARF.DebugStrings);
29  IO.mapOptional("debug_abbrev", DWARF.AbbrevDecls);
30  if (!DWARF.ARanges.empty() || !IO.outputting())
31  IO.mapOptional("debug_aranges", DWARF.ARanges);
32  if (!DWARF.PubNames.Entries.empty() || !IO.outputting())
33  IO.mapOptional("debug_pubnames", DWARF.PubNames);
34  if (!DWARF.PubTypes.Entries.empty() || !IO.outputting())
35  IO.mapOptional("debug_pubtypes", DWARF.PubTypes);
36  if (!DWARF.GNUPubNames.Entries.empty() || !IO.outputting())
37  IO.mapOptional("debug_gnu_pubnames", DWARF.GNUPubNames);
38  if (!DWARF.GNUPubTypes.Entries.empty() || !IO.outputting())
39  IO.mapOptional("debug_gnu_pubtypes", DWARF.GNUPubTypes);
40  IO.mapOptional("debug_info", DWARF.CompileUnits);
41  IO.mapOptional("debug_line", DWARF.DebugLines);
42  IO.setContext(&oldContext);
43 }
44 
46  DWARFYAML::Abbrev &Abbrev) {
47  IO.mapRequired("Code", Abbrev.Code);
48  IO.mapRequired("Tag", Abbrev.Tag);
49  IO.mapRequired("Children", Abbrev.Children);
50  IO.mapRequired("Attributes", Abbrev.Attributes);
51 }
52 
54  IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev) {
55  IO.mapRequired("Attribute", AttAbbrev.Attribute);
56  IO.mapRequired("Form", AttAbbrev.Form);
57 }
58 
60  IO &IO, DWARFYAML::ARangeDescriptor &Descriptor) {
61  IO.mapRequired("Address", Descriptor.Address);
62  IO.mapRequired("Length", Descriptor.Length);
63 }
64 
66  DWARFYAML::ARange &Range) {
67  IO.mapRequired("Length", Range.Length);
68  IO.mapRequired("Version", Range.Version);
69  IO.mapRequired("CuOffset", Range.CuOffset);
70  IO.mapRequired("AddrSize", Range.AddrSize);
71  IO.mapRequired("SegSize", Range.SegSize);
72  IO.mapRequired("Descriptors", Range.Descriptors);
73 }
74 
76  DWARFYAML::PubEntry &Entry) {
77  IO.mapRequired("DieOffset", Entry.DieOffset);
78  if (reinterpret_cast<DWARFYAML::PubSection *>(IO.getContext())->IsGNUStyle)
79  IO.mapRequired("Descriptor", Entry.Descriptor);
80  IO.mapRequired("Name", Entry.Name);
81 }
82 
85  auto OldContext = IO.getContext();
86  IO.setContext(&Section);
87 
88  IO.mapRequired("Length", Section.Length);
89  IO.mapRequired("Version", Section.Version);
90  IO.mapRequired("UnitOffset", Section.UnitOffset);
91  IO.mapRequired("UnitSize", Section.UnitSize);
92  IO.mapRequired("Entries", Section.Entries);
93 
94  IO.setContext(OldContext);
95 }
96 
98  IO.mapRequired("Length", Unit.Length);
99  IO.mapRequired("Version", Unit.Version);
100  IO.mapRequired("AbbrOffset", Unit.AbbrOffset);
101  IO.mapRequired("AddrSize", Unit.AddrSize);
102  IO.mapOptional("Entries", Unit.Entries);
103 }
104 
106  IO.mapRequired("AbbrCode", Entry.AbbrCode);
107  IO.mapRequired("Values", Entry.Values);
108 }
109 
111  IO &IO, DWARFYAML::FormValue &FormValue) {
112  IO.mapOptional("Value", FormValue.Value);
113  if (!FormValue.CStr.empty() || !IO.outputting())
114  IO.mapOptional("CStr", FormValue.CStr);
115  if (!FormValue.BlockData.empty() || !IO.outputting())
116  IO.mapOptional("BlockData", FormValue.BlockData);
117 }
118 
120  IO.mapRequired("Name", File.Name);
121  IO.mapRequired("DirIdx", File.DirIdx);
122  IO.mapRequired("ModTime", File.ModTime);
123  IO.mapRequired("Length", File.Length);
124 }
125 
127  IO &IO, DWARFYAML::LineTableOpcode &LineTableOpcode) {
128  IO.mapRequired("Opcode", LineTableOpcode.Opcode);
129  if (LineTableOpcode.Opcode == dwarf::DW_LNS_extended_op) {
130  IO.mapRequired("ExtLen", LineTableOpcode.ExtLen);
131  IO.mapRequired("SubOpcode", LineTableOpcode.SubOpcode);
132  }
133 
134  if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
135  IO.mapOptional("UnknownOpcodeData", LineTableOpcode.UnknownOpcodeData);
136  if (!LineTableOpcode.UnknownOpcodeData.empty() || !IO.outputting())
137  IO.mapOptional("StandardOpcodeData", LineTableOpcode.StandardOpcodeData);
138  if (!LineTableOpcode.FileEntry.Name.empty() || !IO.outputting())
139  IO.mapOptional("FileEntry", LineTableOpcode.FileEntry);
140  if (LineTableOpcode.Opcode == dwarf::DW_LNS_advance_line || !IO.outputting())
141  IO.mapOptional("SData", LineTableOpcode.SData);
142  IO.mapOptional("Data", LineTableOpcode.Data);
143 }
144 
146  IO &IO, DWARFYAML::LineTable &LineTable) {
147  IO.mapRequired("TotalLength", LineTable.TotalLength);
148  if (LineTable.TotalLength == UINT32_MAX)
149  IO.mapRequired("TotalLength64", LineTable.TotalLength64);
150  IO.mapRequired("Version", LineTable.Version);
151  IO.mapRequired("PrologueLength", LineTable.PrologueLength);
152  IO.mapRequired("MinInstLength", LineTable.MinInstLength);
153  if(LineTable.Version >= 4)
154  IO.mapRequired("MaxOpsPerInst", LineTable.MaxOpsPerInst);
155  IO.mapRequired("DefaultIsStmt", LineTable.DefaultIsStmt);
156  IO.mapRequired("LineBase", LineTable.LineBase);
157  IO.mapRequired("LineRange", LineTable.LineRange);
158  IO.mapRequired("OpcodeBase", LineTable.OpcodeBase);
159  IO.mapRequired("StandardOpcodeLengths", LineTable.StandardOpcodeLengths);
160  IO.mapRequired("IncludeDirs", LineTable.IncludeDirs);
161  IO.mapRequired("Files", LineTable.Files);
162  IO.mapRequired("Opcodes", LineTable.Opcodes);
163 }
164 
165 } // namespace llvm::yaml
166 
167 } // namespace llvm
llvm::dwarf::Constants Children
Definition: DWARFYAML.h:34
void mapOptional(const char *Key, T &Val)
Definition: YAMLTraits.h:646
PubSection PubNames
Definition: DWARFYAML.h:128
std::vector< AttributeAbbrev > Attributes
Definition: DWARFYAML.h:35
dwarf::LineNumberExtendedOps SubOpcode
Definition: DWARFYAML.h:98
dwarf::LineNumberOps Opcode
Definition: DWARFYAML.h:96
std::vector< Abbrev > AbbrevDecls
Definition: DWARFYAML.h:125
void * getContext()
Definition: YAMLTraits.cpp:35
std::vector< uint8_t > StandardOpcodeLengths
Definition: DWARFYAML.h:117
std::vector< PubEntry > Entries
Definition: DWARFYAML.h:66
std::vector< ARangeDescriptor > Descriptors
Definition: DWARFYAML.h:49
PubSection GNUPubNames
Definition: DWARFYAML.h:131
std::vector< ARange > ARanges
Definition: DWARFYAML.h:127
This class should be specialized by any type that needs to be converted to/from a YAML mapping...
std::vector< Unit > CompileUnits
Definition: DWARFYAML.h:134
std::vector< llvm::yaml::Hex8 > BlockData
Definition: DWARFYAML.h:72
llvm::yaml::Hex32 Code
Definition: DWARFYAML.h:32
std::vector< File > Files
Definition: DWARFYAML.h:119
llvm::yaml::Hex32 DieOffset
Definition: DWARFYAML.h:53
std::vector< LineTable > DebugLines
Definition: DWARFYAML.h:136
std::vector< StringRef > IncludeDirs
Definition: DWARFYAML.h:118
std::vector< Entry > Entries
Definition: DWARFYAML.h:85
llvm::yaml::Hex64 Value
Definition: DWARFYAML.h:70
std::vector< FormValue > Values
Definition: DWARFYAML.h:77
llvm::yaml::Hex8 Descriptor
Definition: DWARFYAML.h:54
llvm::dwarf::Attribute Attribute
Definition: DWARFYAML.h:27
PubSection PubTypes
Definition: DWARFYAML.h:129
std::vector< StringRef > DebugStrings
Definition: DWARFYAML.h:126
llvm::yaml::Hex32 AbbrCode
Definition: DWARFYAML.h:76
PubSection GNUPubTypes
Definition: DWARFYAML.h:132
void setContext(void *)
Definition: YAMLTraits.cpp:39
LLVM_NODISCARD LLVM_ATTRIBUTE_ALWAYS_INLINE bool empty() const
empty - Check if the string is empty.
Definition: StringRef.h:130
std::vector< llvm::yaml::Hex8 > UnknownOpcodeData
Definition: DWARFYAML.h:102
bool isEmpty() const
Definition: DWARFYAML.cpp:19
This file declares classes for handling the YAML representation of DWARF Debug Info.
std::vector< llvm::yaml::Hex64 > StandardOpcodeData
Definition: DWARFYAML.h:103
std::vector< LineTableOpcode > Opcodes
Definition: DWARFYAML.h:120
virtual bool outputting()=0
std::vector< uint8_t > Unit
Definition: FuzzerDefs.h:71
llvm::dwarf::Tag Tag
Definition: DWARFYAML.h:33
void mapRequired(const char *Key, T &Val)
Definition: YAMLTraits.h:637