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[ObjectYAML] Support for DW_FORM_implicit_const DWARF5 form This patch adds support to the DWARF YAML reader and writer for the new DWARF5 abbreviation form, DW_FORM_implicit_const. The attribute was added in r291599. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297091 91177308-0d34-0410-b5e6-96231b3b80d8 Chris Bieneman 2 years ago
5 changed file(s) with 314 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all
4444 struct AttributeAbbrev {
4545 llvm::dwarf::Attribute Attribute;
4646 llvm::dwarf::Form Form;
47 llvm::yaml::Hex64 Value; // Some DWARF5 attributes have values
4748 };
4849
4950 struct Abbrev {
7373 for (auto Attr : AbbrevDecl.Attributes) {
7474 encodeULEB128(Attr.Attribute, OS);
7575 encodeULEB128(Attr.Form, OS);
76 if (Attr.Form == dwarf::DW_FORM_implicit_const)
77 encodeSLEB128(Attr.Value, OS);
7678 }
7779 encodeULEB128(0, OS);
7880 encodeULEB128(0, OS);
5353 IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev) {
5454 IO.mapRequired("Attribute", AttAbbrev.Attribute);
5555 IO.mapRequired("Form", AttAbbrev.Form);
56 if(AttAbbrev.Form == dwarf::DW_FORM_implicit_const)
57 IO.mapRequired("Value", AttAbbrev.Value);
5658 }
5759
5860 void MappingTraits::mapping(
0 # RUN: yaml2obj %s | obj2yaml | FileCheck %s
1
2 --- !mach-o
3 FileHeader:
4 magic: 0xFEEDFACF
5 cputype: 0x01000007
6 cpusubtype: 0x00000003
7 filetype: 0x0000000A
8 ncmds: 5
9 sizeofcmds: 1800
10 flags: 0x00000000
11 reserved: 0x00000000
12 LoadCommands:
13 - cmd: LC_SEGMENT_64
14 cmdsize: 72
15 segname: __PAGEZERO
16 vmaddr: 0
17 vmsize: 4294967296
18 fileoff: 0
19 filesize: 0
20 maxprot: 0
21 initprot: 0
22 nsects: 0
23 flags: 0
24 - cmd: LC_SEGMENT_64
25 cmdsize: 472
26 segname: __TEXT
27 vmaddr: 4294967296
28 vmsize: 4096
29 fileoff: 0
30 filesize: 0
31 maxprot: 7
32 initprot: 5
33 nsects: 5
34 flags: 0
35 Sections:
36 - sectname: __text
37 segname: __TEXT
38 addr: 0x0000000100000F50
39 size: 52
40 offset: 0x00000000
41 align: 4
42 reloff: 0x00000000
43 nreloc: 0
44 flags: 0x80000400
45 reserved1: 0x00000000
46 reserved2: 0x00000000
47 reserved3: 0x00000000
48 - sectname: __stubs
49 segname: __TEXT
50 addr: 0x0000000100000F84
51 size: 6
52 offset: 0x00000000
53 align: 1
54 reloff: 0x00000000
55 nreloc: 0
56 flags: 0x80000408
57 reserved1: 0x00000000
58 reserved2: 0x00000006
59 reserved3: 0x00000000
60 - sectname: __stub_helper
61 segname: __TEXT
62 addr: 0x0000000100000F8C
63 size: 26
64 offset: 0x00000000
65 align: 2
66 reloff: 0x00000000
67 nreloc: 0
68 flags: 0x80000400
69 reserved1: 0x00000000
70 reserved2: 0x00000000
71 reserved3: 0x00000000
72 - sectname: __cstring
73 segname: __TEXT
74 addr: 0x0000000100000FA6
75 size: 14
76 offset: 0x00000000
77 align: 0
78 reloff: 0x00000000
79 nreloc: 0
80 flags: 0x00000002
81 reserved1: 0x00000000
82 reserved2: 0x00000000
83 reserved3: 0x00000000
84 - sectname: __unwind_info
85 segname: __TEXT
86 addr: 0x0000000100000FB4
87 size: 72
88 offset: 0x00000000
89 align: 2
90 reloff: 0x00000000
91 nreloc: 0
92 flags: 0x00000000
93 reserved1: 0x00000000
94 reserved2: 0x00000000
95 reserved3: 0x00000000
96 - cmd: LC_SEGMENT_64
97 cmdsize: 232
98 segname: __DATA
99 vmaddr: 4294971392
100 vmsize: 4096
101 fileoff: 0
102 filesize: 0
103 maxprot: 7
104 initprot: 3
105 nsects: 2
106 flags: 0
107 Sections:
108 - sectname: __nl_symbol_ptr
109 segname: __DATA
110 addr: 0x0000000100001000
111 size: 16
112 offset: 0x00000000
113 align: 3
114 reloff: 0x00000000
115 nreloc: 0
116 flags: 0x00000006
117 reserved1: 0x00000001
118 reserved2: 0x00000000
119 reserved3: 0x00000000
120 - sectname: __la_symbol_ptr
121 segname: __DATA
122 addr: 0x0000000100001010
123 size: 8
124 offset: 0x00000000
125 align: 3
126 reloff: 0x00000000
127 nreloc: 0
128 flags: 0x00000007
129 reserved1: 0x00000003
130 reserved2: 0x00000000
131 reserved3: 0x00000000
132 - cmd: LC_SEGMENT_64
133 cmdsize: 72
134 segname: __LINKEDIT
135 vmaddr: 4294975488
136 vmsize: 4096
137 fileoff: 4096
138 filesize: 60
139 maxprot: 7
140 initprot: 1
141 nsects: 0
142 flags: 0
143 - cmd: LC_SEGMENT_64
144 cmdsize: 952
145 segname: __DWARF
146 vmaddr: 4294979584
147 vmsize: 4096
148 fileoff: 8192
149 filesize: 764
150 maxprot: 7
151 initprot: 3
152 nsects: 11
153 flags: 0
154 Sections:
155 - sectname: __debug_line
156 segname: __DWARF
157 addr: 0x0000000100003000
158 size: 69
159 offset: 0x00002000
160 align: 0
161 reloff: 0x00000000
162 nreloc: 0
163 flags: 0x00000000
164 reserved1: 0x00000000
165 reserved2: 0x00000000
166 reserved3: 0x00000000
167 - sectname: __debug_pubnames
168 segname: __DWARF
169 addr: 0x0000000100003045
170 size: 27
171 offset: 0x00002045
172 align: 0
173 reloff: 0x00000000
174 nreloc: 0
175 flags: 0x00000000
176 reserved1: 0x00000000
177 reserved2: 0x00000000
178 reserved3: 0x00000000
179 - sectname: __debug_pubtypes
180 segname: __DWARF
181 addr: 0x0000000100003060
182 size: 35
183 offset: 0x00002060
184 align: 0
185 reloff: 0x00000000
186 nreloc: 0
187 flags: 0x00000000
188 reserved1: 0x00000000
189 reserved2: 0x00000000
190 reserved3: 0x00000000
191 - sectname: __debug_aranges
192 segname: __DWARF
193 addr: 0x0000000100003083
194 size: 48
195 offset: 0x00002083
196 align: 0
197 reloff: 0x00000000
198 nreloc: 0
199 flags: 0x00000000
200 reserved1: 0x00000000
201 reserved2: 0x00000000
202 reserved3: 0x00000000
203 - sectname: __debug_info
204 segname: __DWARF
205 addr: 0x00000001000030B3
206 size: 121
207 offset: 0x000020B3
208 align: 0
209 reloff: 0x00000000
210 nreloc: 0
211 flags: 0x00000000
212 reserved1: 0x00000000
213 reserved2: 0x00000000
214 reserved3: 0x00000000
215 - sectname: __debug_abbrev
216 segname: __DWARF
217 addr: 0x000000010000312C
218 size: 76
219 offset: 0x0000212C
220 align: 0
221 reloff: 0x00000000
222 nreloc: 0
223 flags: 0x00000000
224 reserved1: 0x00000000
225 reserved2: 0x00000000
226 reserved3: 0x00000000
227 - sectname: __debug_str
228 segname: __DWARF
229 addr: 0x0000000100003178
230 size: 142
231 offset: 0x00002178
232 align: 0
233 reloff: 0x00000000
234 nreloc: 0
235 flags: 0x00000000
236 reserved1: 0x00000000
237 reserved2: 0x00000000
238 reserved3: 0x00000000
239 - sectname: __apple_names
240 segname: __DWARF
241 addr: 0x0000000100003206
242 size: 60
243 offset: 0x00002206
244 align: 0
245 reloff: 0x00000000
246 nreloc: 0
247 flags: 0x00000000
248 reserved1: 0x00000000
249 reserved2: 0x00000000
250 reserved3: 0x00000000
251 - sectname: __apple_namespac
252 segname: __DWARF
253 addr: 0x0000000100003242
254 size: 36
255 offset: 0x00002242
256 align: 0
257 reloff: 0x00000000
258 nreloc: 0
259 flags: 0x00000000
260 reserved1: 0x00000000
261 reserved2: 0x00000000
262 reserved3: 0x00000000
263 - sectname: __apple_types
264 segname: __DWARF
265 addr: 0x0000000100003266
266 size: 114
267 offset: 0x00002266
268 align: 0
269 reloff: 0x00000000
270 nreloc: 0
271 flags: 0x00000000
272 reserved1: 0x00000000
273 reserved2: 0x00000000
274 reserved3: 0x00000000
275 - sectname: __apple_objc
276 segname: __DWARF
277 addr: 0x00000001000032D8
278 size: 36
279 offset: 0x000022D8
280 align: 0
281 reloff: 0x00000000
282 nreloc: 0
283 flags: 0x00000000
284 reserved1: 0x00000000
285 reserved2: 0x00000000
286 reserved3: 0x00000000
287 DWARF:
288 debug_abbrev:
289 - Code: 0x00000001
290 Tag: DW_TAG_compile_unit
291 Children: DW_CHILDREN_yes
292 Attributes:
293 - Attribute: 0x2001
294 Form: DW_FORM_implicit_const
295 Value: 0x12345678
296 ...
297
298 #CHECK: DWARF:
299 #CHECK: debug_abbrev:
300 #CHECK: - Code: 0x00000001
301 #CHECK: Tag: DW_TAG_compile_unit
302 #CHECK: Children: DW_CHILDREN_yes
303 #CHECK: Attributes:
304 #CHECK: - Attribute: 0x2001
305 #CHECK: Form: DW_FORM_implicit_const
306 #CHECK: Value: 0x0000000012345678
3737 DWARFYAML::AttributeAbbrev AttAbrv;
3838 AttAbrv.Attribute = Attribute.Attr;
3939 AttAbrv.Form = Attribute.Form;
40 if (AttAbrv.Form == dwarf::DW_FORM_implicit_const)
41 AttAbrv.Value = *Attribute.ByteSizeOrValue;
4042 Abbrv.Attributes.push_back(AttAbrv);
4143 }
4244 Y.AbbrevDecls.push_back(Abbrv);