| blob | 0c5521ece0e444af054d6ea68ebe07d0f5bda0c6 |
1 ## This test verifies that the linkedit segment is
2 ## laid out in the right order.
4 # RUN: yaml2obj %s -o %t.original
5 # RUN: llvm-objcopy %t.original %t.copy
6 # RUN: obj2yaml %t.copy > %t.yaml
7 ## Print the results several times in order to capture the linkedit offsets
8 ## in the order they are needed, but still following the order of the load
9 ## commands where they appear.
10 # RUN: cat %t.yaml %t.yaml %t.yaml | FileCheck %s
12 # CHECK: cmd: LC_SEGMENT_64
13 # CHECK: segname: __LINKEDIT
14 # CHECK: fileoff: [[#LINKEDIT_FILEOFF:]]
15 # CHECK: filesize: [[#LINKEDIT_FILESIZE:]]
17 # CHECK: cmd: LC_DYLD_CHAINED_FIXUPS
18 # CHECK: dataoff: [[#CHAINED_FIXUPS_FILEOFF: LINKEDIT_FILEOFF]]
19 # CHECK: datasize: [[#CHAINED_FIXUPS_FILESIZE:]]
21 # CHECK: cmd: LC_DYLD_EXPORTS_TRIE
22 # CHECK: dataoff: [[#DYLD_EXPORTS_TRIE_FILEOFF: CHAINED_FIXUPS_FILEOFF + CHAINED_FIXUPS_FILESIZE]]
23 # CHECK: datasize: [[#DYLD_EXPORTS_TRIE_FILESIZE:]]
25 ## Jump over LC_SYMTAB and LC_DYSYMTAB, which will be checked during
26 ## later.
28 # CHECK: cmd: LC_FUNCTION_STARTS
29 # CHECK: dataoff: [[#FUNCTION_STARTS_FILEOFF: DYLD_EXPORTS_TRIE_FILEOFF + DYLD_EXPORTS_TRIE_FILESIZE]]
30 # CHECK: datasize: [[#FUNCTION_STARTS_FILESIZE:]]
32 # CHECK: cmd: LC_DATA_IN_CODE
33 # CHECK: dataoff: [[#DATA_IN_CODE_FILEOFF: FUNCTION_STARTS_FILEOFF + FUNCTION_STARTS_FILESIZE]]
34 # CHECK: datasize: [[#DATA_IN_CODE_FILESIZE:]]
36 ## Jump over LC_CODE_SIGNATURE, which needs to be checked last
38 # CHECK: --- !mach-o
40 # CHECK: cmd: LC_SYMTAB
41 # CHECK: symoff: [[#SYMTAB_SYMOFF: DATA_IN_CODE_FILEOFF + DATA_IN_CODE_FILESIZE]]
42 # CHECK: nsyms: [[#SYMTAB_NSYMS:]]
44 ## Skip over the strings table offset/size (part of LC_SYMTAB) until next loop.
46 # CHECK: cmd: LC_DYSYMTAB
47 # CHECK: indirectsymoff: [[#DYSYMTAB_INDIRECTSYMOFF: SYMTAB_SYMOFF + mul(SYMTAB_NSYMS, 16)]]
48 # CHECK: nindirectsyms: [[#DYSYMTAB_NINDIRECTSYMS:]]
50 # CHECK: --- !mach-o
52 # CHECK: cmd: LC_SYMTAB
53 # CHECK: stroff: [[#SYMTAB_STROFF: DYSYMTAB_INDIRECTSYMOFF + mul(DYSYMTAB_NINDIRECTSYMS, 4)]]
54 # CHECK: strsize: [[#SYMTAB_STRSIZE:]]
56 # CHECK: cmd: LC_CODE_SIGNATURE
57 ## LC_CODE_SIGNATURE needs to be aligned to 16 bytes boundaries.
58 # CHECK: dataoff: [[#CODE_SIGNATURE_FILEOFF: mul(div(SYMTAB_STROFF + SYMTAB_STRSIZE + 8, 16), 16)]]
59 # CHECK: datasize: [[#CODE_SIGNATURE_FILESIZE:LINKEDIT_FILEOFF + LINKEDIT_FILESIZE - CODE_SIGNATURE_FILEOFF]]
61 --- !mach-o
62 FileHeader:
63 magic: 0xFEEDFACF
64 cputype: 0x1000007
65 cpusubtype: 0x3
66 filetype: 0x2
67 ncmds: 18
68 sizeofcmds: 1032
69 flags: 0x210085
70 reserved: 0x0
71 LoadCommands:
72 - cmd: LC_SEGMENT_64
73 cmdsize: 72
74 segname: __PAGEZERO
75 vmaddr: 0
76 vmsize: 4294967296
77 fileoff: 0
78 filesize: 0
79 maxprot: 0
80 initprot: 0
81 nsects: 0
82 flags: 0
83 - cmd: LC_SEGMENT_64
84 cmdsize: 312
85 segname: __TEXT
86 vmaddr: 4294967296
87 vmsize: 16384
88 fileoff: 0
89 filesize: 16384
90 maxprot: 5
91 initprot: 5
92 nsects: 3
93 flags: 0
94 Sections:
95 - sectname: __text
96 segname: __TEXT
97 addr: 0x100003F9C
98 size: 16
99 offset: 0x3F9C
100 align: 2
101 reloff: 0x0
102 nreloc: 0
103 flags: 0x80000400
104 reserved1: 0x0
105 reserved2: 0x0
106 reserved3: 0x0
107 content: E80B000000E80C000000C39000000000
108 - sectname: __stubs
109 segname: __TEXT
110 addr: 0x100003FAC
111 size: 12
112 offset: 0x3FAC
113 align: 1
114 reloff: 0x0
115 nreloc: 0
116 flags: 0x80000408
117 reserved1: 0x0
118 reserved2: 0x6
119 reserved3: 0x0
120 content: FF254E000000FF2550000000
121 - sectname: __unwind_info
122 segname: __TEXT
123 addr: 0x100003FB8
124 size: 72
125 offset: 0x3FB8
126 align: 2
127 reloff: 0x0
128 nreloc: 0
129 flags: 0x0
130 reserved1: 0x0
131 reserved2: 0x0
132 reserved3: 0x0
133 content: 010000001C000000000000001C000000000000001C000000020000009C3F00003400000034000000AD3F00000000000034000000030000000C000100100001000000000000000000
134 - cmd: LC_SEGMENT_64
135 cmdsize: 152
136 segname: __DATA_CONST
137 vmaddr: 4294983680
138 vmsize: 16384
139 fileoff: 16384
140 filesize: 16384
141 maxprot: 3
142 initprot: 3
143 nsects: 1
144 flags: 16
145 Sections:
146 - sectname: __got
147 segname: __DATA_CONST
148 addr: 0x100004000
149 size: 16
150 offset: 0x4000
151 align: 3
152 reloff: 0x0
153 nreloc: 0
154 flags: 0x6
155 reserved1: 0x2
156 reserved2: 0x0
157 reserved3: 0x0
158 content: '00000000000010800100000000000080'
159 - cmd: LC_SEGMENT_64
160 cmdsize: 72
161 segname: __LINKEDIT
162 vmaddr: 4295000064
163 vmsize: 16384
164 fileoff: 32768
165 filesize: 719
166 maxprot: 1
167 initprot: 1
168 nsects: 0
169 flags: 0
170 - cmd: LC_DYLD_CHAINED_FIXUPS
171 cmdsize: 16
172 dataoff: 32768
173 datasize: 104
174 - cmd: LC_DYLD_EXPORTS_TRIE
175 cmdsize: 16
176 dataoff: 32872
177 datasize: 48
178 - cmd: LC_SYMTAB
179 cmdsize: 24
180 symoff: 32936
181 nsyms: 4
182 stroff: 33016
183 strsize: 48
184 - cmd: LC_DYSYMTAB
185 cmdsize: 80
186 ilocalsym: 0
187 nlocalsym: 0
188 iextdefsym: 0
189 nextdefsym: 2
190 iundefsym: 2
191 nundefsym: 2
192 tocoff: 0
193 ntoc: 0
194 modtaboff: 0
195 nmodtab: 0
196 extrefsymoff: 0
197 nextrefsyms: 0
198 indirectsymoff: 33000
199 nindirectsyms: 4
200 extreloff: 0
201 nextrel: 0
202 locreloff: 0
203 nlocrel: 0
204 - cmd: LC_LOAD_DYLINKER
205 cmdsize: 32
206 name: 12
207 Content: '/usr/lib/dyld'
208 ZeroPadBytes: 7
209 - cmd: LC_UUID
210 cmdsize: 24
211 uuid: F74FD957-51B1-3D8E-AE70-D8A248BB5D93
212 - cmd: LC_BUILD_VERSION
213 cmdsize: 32
214 platform: 1
215 minos: 786432
216 sdk: 787200
217 ntools: 1
218 Tools:
219 - tool: 3
220 version: 50069504
221 - cmd: LC_SOURCE_VERSION
222 cmdsize: 16
223 version: 0
224 - cmd: LC_MAIN
225 cmdsize: 24
226 entryoff: 16284
227 stacksize: 0
228 - cmd: LC_LOAD_DYLIB
229 cmdsize: 56
230 dylib:
231 name: 24
232 timestamp: 2
233 current_version: 0
234 compatibility_version: 0
235 Content: libFoo-chained-fixups.dylib
236 ZeroPadBytes: 5
237 - cmd: LC_LOAD_DYLIB
238 cmdsize: 56
239 dylib:
240 name: 24
241 timestamp: 2
242 current_version: 85943299
243 compatibility_version: 65536
244 Content: '/usr/lib/libSystem.B.dylib'
245 ZeroPadBytes: 6
246 - cmd: LC_FUNCTION_STARTS
247 cmdsize: 16
248 dataoff: 32920
249 datasize: 8
250 - cmd: LC_DATA_IN_CODE
251 cmdsize: 16
252 dataoff: 32928
253 datasize: 8
254 - cmd: LC_CODE_SIGNATURE
255 cmdsize: 16
256 dataoff: 33072
257 datasize: 415
258 LinkEditData:
259 ExportTrie:
260 TerminalSize: 0
261 NodeOffset: 0
262 Name: ''
263 Flags: 0x0
264 Address: 0x0
265 Other: 0x0
266 ImportName: ''
267 Children:
268 - TerminalSize: 0
269 NodeOffset: 5
270 Name: _
271 Flags: 0x0
272 Address: 0x0
273 Other: 0x0
274 ImportName: ''
275 Children:
276 - TerminalSize: 2
277 NodeOffset: 33
278 Name: _mh_execute_header
279 Flags: 0x0
280 Address: 0x0
281 Other: 0x0
282 ImportName: ''
283 - TerminalSize: 3
284 NodeOffset: 37
285 Name: main
286 Flags: 0x0
287 Address: 0x3F9C
288 Other: 0x0
289 ImportName: ''
290 NameList:
291 - n_strx: 2
292 n_type: 0xF
293 n_sect: 1
294 n_desc: 16
295 n_value: 4294967296
296 - n_strx: 22
297 n_type: 0xF
298 n_sect: 1
299 n_desc: 0
300 n_value: 4294983580
301 - n_strx: 28
302 n_type: 0x1
303 n_sect: 0
304 n_desc: 256
305 n_value: 0
306 - n_strx: 33
307 n_type: 0x1
308 n_sect: 0
309 n_desc: 384
310 n_value: 0
311 StringTable:
312 - ' '
313 - __mh_execute_header
314 - _main
315 - _foo
316 - _weak_foo
317 - ''
318 - ''
319 - ''
320 - ''
321 - ''
322 IndirectSymbols: [ 0x2, 0x3, 0x2, 0x3 ]
323 FunctionStarts: [ 0x3F9C ]
324 ChainedFixups: [ 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x50, 0x0,
325 0x0, 0x0, 0x58, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0,
326 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
327 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
328 0x0, 0x0, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0,
329 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x0, 0x0, 0x0,
330 0x0, 0x10, 0x6, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0,
331 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0,
332 0x1, 0x2, 0x0, 0x0, 0xFD, 0xC, 0x0, 0x0, 0x0, 0x5F,
333 0x66, 0x6F, 0x6F, 0x0, 0x5F, 0x77, 0x65, 0x61, 0x6B,
334 0x5F, 0x66, 0x6F, 0x6F, 0x0 ]
335 DataInCode:
336 - Offset: 0x3FA8
337 Length: 4
338 Kind: 0x4
339 ...