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authorDave Love2002-11-29 16:57:43 +0000
committerDave Love2002-11-29 16:57:43 +0000
commit7da3d06f07cb84204e40604702a239f089efc8e2 (patch)
tree53c74dcff4ce28d08e8ad68cd04d9ec7c335d555
parentff7de4eee711905a2a48bff588b50ed933e97a0c (diff)
downloademacs-7da3d06f07cb84204e40604702a239f089efc8e2.tar.gz
emacs-7da3d06f07cb84204e40604702a239f089efc8e2.zip
Comments.
Diffstat
-rw-r--r--src/unexelf.c433
1 files changed, 220 insertions, 213 deletions
diff --git a/src/unexelf.c b/src/unexelf.c
index d0543dc41c9..7f8ea12b390 100644
--- a/src/unexelf.c
+++ b/src/unexelf.c
@@ -89,224 +89,224 @@ raid:/nfs/raid/src/dist-18.56/src> dump -h temacs
89temacs: 89temacs:
90 90
91 **** SECTION HEADER TABLE **** 91 **** SECTION HEADER TABLE ****
92[No] Type Flags Addr Offset Size Name 92 [No] Type Flags Addr Offset Size Name
93 Link Info Adralgn Entsize 93 Link Info Adralgn Entsize
94 94
95[1] 1 2 0x80480d4 0xd4 0x13 .interp 95 [1] 1 2 0x80480d4 0xd4 0x13 .interp
96 0 0 0x1 0 96 0 0 0x1 0
97 97
98[2] 5 2 0x80480e8 0xe8 0x388 .hash 98 [2] 5 2 0x80480e8 0xe8 0x388 .hash
99 3 0 0x4 0x4 99 3 0 0x4 0x4
100 100
101[3] 11 2 0x8048470 0x470 0x7f0 .dynsym 101 [3] 11 2 0x8048470 0x470 0x7f0 .dynsym
102 4 1 0x4 0x10 102 4 1 0x4 0x10
103 103
104[4] 3 2 0x8048c60 0xc60 0x3ad .dynstr 104 [4] 3 2 0x8048c60 0xc60 0x3ad .dynstr
105 0 0 0x1 0 105 0 0 0x1 0
106 106
107[5] 9 2 0x8049010 0x1010 0x338 .rel.plt 107 [5] 9 2 0x8049010 0x1010 0x338 .rel.plt
108 3 7 0x4 0x8 108 3 7 0x4 0x8
109 109
110[6] 1 6 0x8049348 0x1348 0x3 .init 110 [6] 1 6 0x8049348 0x1348 0x3 .init
111 0 0 0x4 0 111 0 0 0x4 0
112 112
113[7] 1 6 0x804934c 0x134c 0x680 .plt 113 [7] 1 6 0x804934c 0x134c 0x680 .plt
114 0 0 0x4 0x4 114 0 0 0x4 0x4
115 115
116[8] 1 6 0x80499cc 0x19cc 0x3c56f .text 116 [8] 1 6 0x80499cc 0x19cc 0x3c56f .text
117 0 0 0x4 0 117 0 0 0x4 0
118 118
119[9] 1 6 0x8085f3c 0x3df3c 0x3 .fini 119 [9] 1 6 0x8085f3c 0x3df3c 0x3 .fini
120 0 0 0x4 0 120 0 0 0x4 0
121 121
122[10] 1 2 0x8085f40 0x3df40 0x69c .rodata 122 [10] 1 2 0x8085f40 0x3df40 0x69c .rodata
123 0 0 0x4 0 123 0 0 0x4 0
124 124
125[11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1 125 [11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1
126 0 0 0x4 0 126 0 0 0x4 0
127 127
128[12] 1 3 0x8088330 0x3f330 0x20afc .data 128 [12] 1 3 0x8088330 0x3f330 0x20afc .data
129 0 0 0x4 0 129 0 0 0x4 0
130 130
131[13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1 131 [13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1
132 0 0 0x4 0 132 0 0 0x4 0
133 133
134[14] 1 3 0x80a96cc 0x606cc 0x1a8 .got 134 [14] 1 3 0x80a96cc 0x606cc 0x1a8 .got
135 0 0 0x4 0x4 135 0 0 0x4 0x4
136 136
137[15] 6 3 0x80a9874 0x60874 0x80 .dynamic 137 [15] 6 3 0x80a9874 0x60874 0x80 .dynamic
138 4 0 0x4 0x8 138 4 0 0x4 0x8
139 139
140[16] 8 3 0x80a98f4 0x608f4 0x449c .bss 140 [16] 8 3 0x80a98f4 0x608f4 0x449c .bss
141 0 0 0x4 0 141 0 0 0x4 0
142 142
143[17] 2 0 0 0x608f4 0x9b90 .symtab 143 [17] 2 0 0 0x608f4 0x9b90 .symtab
144 18 371 0x4 0x10 144 18 371 0x4 0x10
145 145
146[18] 3 0 0 0x6a484 0x8526 .strtab 146 [18] 3 0 0 0x6a484 0x8526 .strtab
147 0 0 0x1 0 147 0 0 0x1 0
148 148
149[19] 3 0 0 0x729aa 0x93 .shstrtab 149 [19] 3 0 0 0x729aa 0x93 .shstrtab
150 0 0 0x1 0 150 0 0 0x1 0
151 151
152[20] 1 0 0 0x72a3d 0x68b7 .comment 152 [20] 1 0 0 0x72a3d 0x68b7 .comment
153 0 0 0x1 0 153 0 0 0x1 0
154 154
155raid:/nfs/raid/src/dist-18.56/src> dump -h xemacs 155 raid:/nfs/raid/src/dist-18.56/src> dump -h xemacs
156 156
157xemacs: 157 xemacs:
158 158
159 **** SECTION HEADER TABLE **** 159 **** SECTION HEADER TABLE ****
160[No] Type Flags Addr Offset Size Name 160 [No] Type Flags Addr Offset Size Name
161 Link Info Adralgn Entsize 161 Link Info Adralgn Entsize
162 162
163[1] 1 2 0x80480d4 0xd4 0x13 .interp 163 [1] 1 2 0x80480d4 0xd4 0x13 .interp
164 0 0 0x1 0 164 0 0 0x1 0
165 165
166[2] 5 2 0x80480e8 0xe8 0x388 .hash 166 [2] 5 2 0x80480e8 0xe8 0x388 .hash
167 3 0 0x4 0x4 167 3 0 0x4 0x4
168 168
169[3] 11 2 0x8048470 0x470 0x7f0 .dynsym 169 [3] 11 2 0x8048470 0x470 0x7f0 .dynsym
170 4 1 0x4 0x10 170 4 1 0x4 0x10
171 171
172[4] 3 2 0x8048c60 0xc60 0x3ad .dynstr 172 [4] 3 2 0x8048c60 0xc60 0x3ad .dynstr
173 0 0 0x1 0 173 0 0 0x1 0
174 174
175[5] 9 2 0x8049010 0x1010 0x338 .rel.plt 175 [5] 9 2 0x8049010 0x1010 0x338 .rel.plt
176 3 7 0x4 0x8 176 3 7 0x4 0x8
177 177
178[6] 1 6 0x8049348 0x1348 0x3 .init 178 [6] 1 6 0x8049348 0x1348 0x3 .init
179 0 0 0x4 0 179 0 0 0x4 0
180 180
181[7] 1 6 0x804934c 0x134c 0x680 .plt 181 [7] 1 6 0x804934c 0x134c 0x680 .plt
182 0 0 0x4 0x4 182 0 0 0x4 0x4
183 183
184[8] 1 6 0x80499cc 0x19cc 0x3c56f .text 184 [8] 1 6 0x80499cc 0x19cc 0x3c56f .text
185 0 0 0x4 0 185 0 0 0x4 0
186 186
187[9] 1 6 0x8085f3c 0x3df3c 0x3 .fini 187 [9] 1 6 0x8085f3c 0x3df3c 0x3 .fini
188 0 0 0x4 0 188 0 0 0x4 0
189 189
190[10] 1 2 0x8085f40 0x3df40 0x69c .rodata 190 [10] 1 2 0x8085f40 0x3df40 0x69c .rodata
191 0 0 0x4 0 191 0 0 0x4 0
192 192
193[11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1 193 [11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1
194 0 0 0x4 0 194 0 0 0x4 0
195 195
196[12] 1 3 0x8088330 0x3f330 0x20afc .data 196 [12] 1 3 0x8088330 0x3f330 0x20afc .data
197 0 0 0x4 0 197 0 0 0x4 0
198 198
199[13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1 199 [13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1
200 0 0 0x4 0 200 0 0 0x4 0
201 201
202[14] 1 3 0x80a96cc 0x606cc 0x1a8 .got 202 [14] 1 3 0x80a96cc 0x606cc 0x1a8 .got
203 0 0 0x4 0x4 203 0 0 0x4 0x4
204 204
205[15] 6 3 0x80a9874 0x60874 0x80 .dynamic 205 [15] 6 3 0x80a9874 0x60874 0x80 .dynamic
206 4 0 0x4 0x8 206 4 0 0x4 0x8
207 207
208[16] 8 3 0x80c6800 0x7d800 0 .bss 208 [16] 8 3 0x80c6800 0x7d800 0 .bss
209 0 0 0x4 0 209 0 0 0x4 0
210 210
211[17] 2 0 0 0x7d800 0x9b90 .symtab 211 [17] 2 0 0 0x7d800 0x9b90 .symtab
212 18 371 0x4 0x10 212 18 371 0x4 0x10
213 213
214[18] 3 0 0 0x87390 0x8526 .strtab 214 [18] 3 0 0 0x87390 0x8526 .strtab
215 0 0 0x1 0 215 0 0 0x1 0
216 216
217[19] 3 0 0 0x8f8b6 0x93 .shstrtab 217 [19] 3 0 0 0x8f8b6 0x93 .shstrtab
218 0 0 0x1 0 218 0 0 0x1 0
219 219
220[20] 1 0 0 0x8f949 0x68b7 .comment 220 [20] 1 0 0 0x8f949 0x68b7 .comment
221 0 0 0x1 0 221 0 0 0x1 0
222 222
223[21] 1 3 0x80a98f4 0x608f4 0x1cf0c .data 223 [21] 1 3 0x80a98f4 0x608f4 0x1cf0c .data
224 0 0 0x4 0 224 0 0 0x4 0
225 225
226 * This is an example of how the file header is changed. "Shoff" is 226 * This is an example of how the file header is changed. "Shoff" is
227 * the section header offset within the file. Since that table is 227 * the section header offset within the file. Since that table is
228 * after the new .data section, it is moved. "Shnum" is the number of 228 * after the new .data section, it is moved. "Shnum" is the number of
229 * sections, which we increment. 229 * sections, which we increment.
230 * 230 *
231 * "Phoff" is the file offset to the program header. "Phentsize" and 231 * "Phoff" is the file offset to the program header. "Phentsize" and
232 * "Shentsz" are the program and section header entries sizes respectively. 232 * "Shentsz" are the program and section header entries sizes respectively.
233 * These can be larger than the apparent struct sizes. 233 * These can be larger than the apparent struct sizes.
234 234
235raid:/nfs/raid/src/dist-18.56/src> dump -f temacs 235 raid:/nfs/raid/src/dist-18.56/src> dump -f temacs
236 236
237temacs: 237 temacs:
238 238
239 **** ELF HEADER **** 239 **** ELF HEADER ****
240Class Data Type Machine Version 240 Class Data Type Machine Version
241Entry Phoff Shoff Flags Ehsize 241 Entry Phoff Shoff Flags Ehsize
242Phentsize Phnum Shentsz Shnum Shstrndx 242 Phentsize Phnum Shentsz Shnum Shstrndx
243 243
2441 1 2 3 1 244 1 1 2 3 1
2450x80499cc 0x34 0x792f4 0 0x34 245 0x80499cc 0x34 0x792f4 0 0x34
2460x20 5 0x28 21 19 246 0x20 5 0x28 21 19
247 247
248raid:/nfs/raid/src/dist-18.56/src> dump -f xemacs 248 raid:/nfs/raid/src/dist-18.56/src> dump -f xemacs
249 249
250xemacs: 250 xemacs:
251 251
252 **** ELF HEADER **** 252 **** ELF HEADER ****
253Class Data Type Machine Version 253 Class Data Type Machine Version
254Entry Phoff Shoff Flags Ehsize 254 Entry Phoff Shoff Flags Ehsize
255Phentsize Phnum Shentsz Shnum Shstrndx 255 Phentsize Phnum Shentsz Shnum Shstrndx
256 256
2571 1 2 3 1 257 1 1 2 3 1
2580x80499cc 0x34 0x96200 0 0x34 258 0x80499cc 0x34 0x96200 0 0x34
2590x20 5 0x28 22 19 259 0x20 5 0x28 22 19
260 260
261 * These are the program headers. "Offset" is the file offset to the 261 * These are the program headers. "Offset" is the file offset to the
262 * segment. "Vaddr" is the memory load address. "Filesz" is the 262 * segment. "Vaddr" is the memory load address. "Filesz" is the
263 * segment size as it appears in the file, and "Memsz" is the size in 263 * segment size as it appears in the file, and "Memsz" is the size in
264 * memory. Below, the third segment is the code and the fourth is the 264 * memory. Below, the third segment is the code and the fourth is the
265 * data: the difference between Filesz and Memsz is .bss 265 * data: the difference between Filesz and Memsz is .bss
266 266
267raid:/nfs/raid/src/dist-18.56/src> dump -o temacs 267 raid:/nfs/raid/src/dist-18.56/src> dump -o temacs
268 268
269temacs: 269 temacs:
270 ***** PROGRAM EXECUTION HEADER ***** 270 ***** PROGRAM EXECUTION HEADER *****
271Type Offset Vaddr Paddr 271 Type Offset Vaddr Paddr
272Filesz Memsz Flags Align 272 Filesz Memsz Flags Align
273 273
2746 0x34 0x8048034 0 274 6 0x34 0x8048034 0
2750xa0 0xa0 5 0 275 0xa0 0xa0 5 0
276 276
2773 0xd4 0 0 277 3 0xd4 0 0
2780x13 0 4 0 278 0x13 0 4 0
279 279
2801 0x34 0x8048034 0 280 1 0x34 0x8048034 0
2810x3f2f9 0x3f2f9 5 0x1000 281 0x3f2f9 0x3f2f9 5 0x1000
282 282
2831 0x3f330 0x8088330 0 283 1 0x3f330 0x8088330 0
2840x215c4 0x25a60 7 0x1000 284 0x215c4 0x25a60 7 0x1000
285 285
2862 0x60874 0x80a9874 0 286 2 0x60874 0x80a9874 0
2870x80 0 7 0 287 0x80 0 7 0
288 288
289raid:/nfs/raid/src/dist-18.56/src> dump -o xemacs 289 raid:/nfs/raid/src/dist-18.56/src> dump -o xemacs
290 290
291xemacs: 291 xemacs:
292 ***** PROGRAM EXECUTION HEADER ***** 292 ***** PROGRAM EXECUTION HEADER *****
293Type Offset Vaddr Paddr 293 Type Offset Vaddr Paddr
294Filesz Memsz Flags Align 294 Filesz Memsz Flags Align
295 295
2966 0x34 0x8048034 0 296 6 0x34 0x8048034 0
2970xa0 0xa0 5 0 297 0xa0 0xa0 5 0
298 298
2993 0xd4 0 0 299 3 0xd4 0 0
3000x13 0 4 0 300 0x13 0 4 0
301 301
3021 0x34 0x8048034 0 302 1 0x34 0x8048034 0
3030x3f2f9 0x3f2f9 5 0x1000 303 0x3f2f9 0x3f2f9 5 0x1000
304 304
3051 0x3f330 0x8088330 0 305 1 0x3f330 0x8088330 0
3060x3e4d0 0x3e4d0 7 0x1000 306 0x3e4d0 0x3e4d0 7 0x1000
307 307
3082 0x60874 0x80a9874 0 308 2 0x60874 0x80a9874 0
3090x80 0 7 0 309 0x80 0 7 0
310 310
311 311
312 */ 312 */
@@ -336,71 +336,71 @@ Filesz Memsz Flags Align
336 * The above example now should look like: 336 * The above example now should look like:
337 337
338 **** SECTION HEADER TABLE **** 338 **** SECTION HEADER TABLE ****
339[No] Type Flags Addr Offset Size Name 339 [No] Type Flags Addr Offset Size Name
340 Link Info Adralgn Entsize 340 Link Info Adralgn Entsize
341 341
342[1] 1 2 0x80480d4 0xd4 0x13 .interp 342 [1] 1 2 0x80480d4 0xd4 0x13 .interp
343 0 0 0x1 0 343 0 0 0x1 0
344 344
345[2] 5 2 0x80480e8 0xe8 0x388 .hash 345 [2] 5 2 0x80480e8 0xe8 0x388 .hash
346 3 0 0x4 0x4 346 3 0 0x4 0x4
347 347
348[3] 11 2 0x8048470 0x470 0x7f0 .dynsym 348 [3] 11 2 0x8048470 0x470 0x7f0 .dynsym
349 4 1 0x4 0x10 349 4 1 0x4 0x10
350 350
351[4] 3 2 0x8048c60 0xc60 0x3ad .dynstr 351 [4] 3 2 0x8048c60 0xc60 0x3ad .dynstr
352 0 0 0x1 0 352 0 0 0x1 0
353 353
354[5] 9 2 0x8049010 0x1010 0x338 .rel.plt 354 [5] 9 2 0x8049010 0x1010 0x338 .rel.plt
355 3 7 0x4 0x8 355 3 7 0x4 0x8
356 356
357[6] 1 6 0x8049348 0x1348 0x3 .init 357 [6] 1 6 0x8049348 0x1348 0x3 .init
358 0 0 0x4 0 358 0 0 0x4 0
359 359
360[7] 1 6 0x804934c 0x134c 0x680 .plt 360 [7] 1 6 0x804934c 0x134c 0x680 .plt
361 0 0 0x4 0x4 361 0 0 0x4 0x4
362 362
363[8] 1 6 0x80499cc 0x19cc 0x3c56f .text 363 [8] 1 6 0x80499cc 0x19cc 0x3c56f .text
364 0 0 0x4 0 364 0 0 0x4 0
365 365
366[9] 1 6 0x8085f3c 0x3df3c 0x3 .fini 366 [9] 1 6 0x8085f3c 0x3df3c 0x3 .fini
367 0 0 0x4 0 367 0 0 0x4 0
368 368
369[10] 1 2 0x8085f40 0x3df40 0x69c .rodata 369 [10] 1 2 0x8085f40 0x3df40 0x69c .rodata
370 0 0 0x4 0 370 0 0 0x4 0
371 371
372[11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1 372 [11] 1 2 0x80865dc 0x3e5dc 0xd51 .rodata1
373 0 0 0x4 0 373 0 0 0x4 0
374 374
375[12] 1 3 0x8088330 0x3f330 0x20afc .data 375 [12] 1 3 0x8088330 0x3f330 0x20afc .data
376 0 0 0x4 0 376 0 0 0x4 0
377 377
378[13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1 378 [13] 1 3 0x80a8e2c 0x5fe2c 0x89d .data1
379 0 0 0x4 0 379 0 0 0x4 0
380 380
381[14] 1 3 0x80a96cc 0x606cc 0x1a8 .got 381 [14] 1 3 0x80a96cc 0x606cc 0x1a8 .got
382 0 0 0x4 0x4 382 0 0 0x4 0x4
383 383
384[15] 6 3 0x80a9874 0x60874 0x80 .dynamic 384 [15] 6 3 0x80a9874 0x60874 0x80 .dynamic
385 4 0 0x4 0x8 385 4 0 0x4 0x8
386 386
387[16] 1 3 0x80a98f4 0x608f4 0x1cf0c .data 387 [16] 1 3 0x80a98f4 0x608f4 0x1cf0c .data
388 0 0 0x4 0 388 0 0 0x4 0
389 389
390[17] 8 3 0x80c6800 0x7d800 0 .bss 390 [17] 8 3 0x80c6800 0x7d800 0 .bss
391 0 0 0x4 0 391 0 0 0x4 0
392 392
393[18] 2 0 0 0x7d800 0x9b90 .symtab 393 [18] 2 0 0 0x7d800 0x9b90 .symtab
394 19 371 0x4 0x10 394 19 371 0x4 0x10
395 395
396[19] 3 0 0 0x87390 0x8526 .strtab 396 [19] 3 0 0 0x87390 0x8526 .strtab
397 0 0 0x1 0 397 0 0 0x1 0
398 398
399[20] 3 0 0 0x8f8b6 0x93 .shstrtab 399 [20] 3 0 0 0x8f8b6 0x93 .shstrtab
400 0 0 0x1 0 400 0 0 0x1 0
401 401
402[21] 1 0 0 0x8f949 0x68b7 .comment 402 [21] 1 0 0 0x8f949 0x68b7 .comment
403 0 0 0x1 0 403 0 0 0x1 0
404 404
405 */ 405 */
406 406
@@ -476,7 +476,7 @@ typedef struct {
476 long cbFdOffset; 476 long cbFdOffset;
477 long cbRfdOffset; 477 long cbRfdOffset;
478 long cbExtOffset; 478 long cbExtOffset;
479} HDRR, *pHDRR; 479} HDRR, *pHDRR;
480#define cbHDRR sizeof(HDRR) 480#define cbHDRR sizeof(HDRR)
481#define hdrNil ((pHDRR)0) 481#define hdrNil ((pHDRR)0)
482#endif 482#endif
@@ -930,7 +930,7 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
930 930
931 memcpy (&NEW_SECTION_H (nn), &OLD_SECTION_H (n), 931 memcpy (&NEW_SECTION_H (nn), &OLD_SECTION_H (n),
932 old_file_h->e_shentsize); 932 old_file_h->e_shentsize);
933 933
934 if (n == old_bss_index 934 if (n == old_bss_index
935 /* The new bss and sbss section's size is zero, and its file offset 935 /* The new bss and sbss section's size is zero, and its file offset
936 and virtual address should be off by NEW_DATA2_SIZE. */ 936 and virtual address should be off by NEW_DATA2_SIZE. */
@@ -987,11 +987,11 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
987 if (NEW_SECTION_H (nn).sh_type != SHT_SYMTAB 987 if (NEW_SECTION_H (nn).sh_type != SHT_SYMTAB
988 && NEW_SECTION_H (nn).sh_type != SHT_DYNSYM) 988 && NEW_SECTION_H (nn).sh_type != SHT_DYNSYM)
989 PATCH_INDEX (NEW_SECTION_H (nn).sh_info); 989 PATCH_INDEX (NEW_SECTION_H (nn).sh_info);
990 990
991 if (old_sbss_index != -1) 991 if (old_sbss_index != -1)
992 if (!strcmp (old_section_names + NEW_SECTION_H (nn).sh_name, ".sbss")) 992 if (!strcmp (old_section_names + NEW_SECTION_H (nn).sh_name, ".sbss"))
993 { 993 {
994 NEW_SECTION_H (nn).sh_offset = 994 NEW_SECTION_H (nn).sh_offset =
995 round_up (NEW_SECTION_H (nn).sh_offset, 995 round_up (NEW_SECTION_H (nn).sh_offset,
996 NEW_SECTION_H (nn).sh_addralign); 996 NEW_SECTION_H (nn).sh_addralign);
997 NEW_SECTION_H (nn).sh_type = SHT_PROGBITS; 997 NEW_SECTION_H (nn).sh_type = SHT_PROGBITS;
@@ -1015,16 +1015,23 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
1015 /* The conditional bit below was in Oliva's original code 1015 /* The conditional bit below was in Oliva's original code
1016 (1999-08-25) and seems to have been dropped by mistake 1016 (1999-08-25) and seems to have been dropped by mistake
1017 subsequently. It prevents a crash at startup under X in 1017 subsequently. It prevents a crash at startup under X in
1018 `IRIX64 6.5 6.5.17m' with c_dev 7.3.1.3m. It causes no 1018 `IRIX64 6.5 6.5.17m', whether compiled on that relase or
1019 trouble on the other ELF platforms I could test (Irix 1019 an earlier one. It causes no trouble on the other ELF
1020 6.5.15m, Solaris 8, Debian Potato x86, Debian Woody 1020 platforms I could test (Irix 6.5.15m, Solaris 8, Debian
1021 SPARC); however, it's reported to cause crashes under 1021 Potato x86, Debian Woody SPARC); however, it's reported
1022 some version of GNU/Linux. It's not yet clear what's 1022 to cause crashes under some version of GNU/Linux. It's
1023 changed in that Irix version to cause the problem, or why 1023 not yet clear what's changed in that Irix version to
1024 the fix sometimes fails under GNU/Linux. There's 1024 cause the problem, or why the fix sometimes fails under
1025 probably no good reason to have something Irix-specific 1025 GNU/Linux. There's probably no good reason to have
1026 here, but this will have to do for now. IRIX6_5 is the 1026 something Irix-specific here, but this will have to do
1027 most specific macro we have to test. -- fx 2002-10-01 */ 1027 for now. IRIX6_5 is the most specific macro we have to
1028 test. -- fx 2002-10-01
1029
1030 The issue _looks_ as though it's gone away on 6.5.18m,
1031 but maybe it's still lurking, to be triggered by some
1032 change in the binary. It appears to concern the dynamic
1033 loader, but I never got anywhere with an SGI support call
1034 seeking clues. -- fx 2002-11-29. */
1028#ifdef IRIX6_5 1035#ifdef IRIX6_5
1029 || !strcmp ((old_section_names + NEW_SECTION_H (n).sh_name), 1036 || !strcmp ((old_section_names + NEW_SECTION_H (n).sh_name),
1030 ".got") 1037 ".got")
@@ -1065,9 +1072,9 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
1065 1072
1066#if defined (__sony_news) && defined (_SYSTYPE_SYSV) 1073#if defined (__sony_news) && defined (_SYSTYPE_SYSV)
1067 if (NEW_SECTION_H (nn).sh_type == SHT_MIPS_DEBUG 1074 if (NEW_SECTION_H (nn).sh_type == SHT_MIPS_DEBUG
1068 && old_mdebug_index != -1) 1075 && old_mdebug_index != -1)
1069 { 1076 {
1070 int diff = NEW_SECTION_H(nn).sh_offset 1077 int diff = NEW_SECTION_H(nn).sh_offset
1071 - OLD_SECTION_H(old_mdebug_index).sh_offset; 1078 - OLD_SECTION_H(old_mdebug_index).sh_offset;
1072 HDRR *phdr = (HDRR *)(NEW_SECTION_H (nn).sh_offset + new_base); 1079 HDRR *phdr = (HDRR *)(NEW_SECTION_H (nn).sh_offset + new_base);
1073 1080
@@ -1089,7 +1096,7 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
1089#endif /* __sony_news && _SYSTYPE_SYSV */ 1096#endif /* __sony_news && _SYSTYPE_SYSV */
1090 1097
1091#if __sgi 1098#if __sgi
1092 /* Adjust the HDRR offsets in .mdebug and copy the 1099 /* Adjust the HDRR offsets in .mdebug and copy the
1093 line data if it's in its usual 'hole' in the object. 1100 line data if it's in its usual 'hole' in the object.
1094 Makes the new file debuggable with dbx. 1101 Makes the new file debuggable with dbx.
1095 patches up two problems: the absolute file offsets 1102 patches up two problems: the absolute file offsets
@@ -1195,7 +1202,7 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
1195 /* Cause a compilation error if anyone uses n instead of nn below. */ 1202 /* Cause a compilation error if anyone uses n instead of nn below. */
1196 struct {int a;} n; 1203 struct {int a;} n;
1197 1204
1198 switch (section.sh_type) 1205 switch (section.sh_type)
1199 { 1206 {
1200 default: 1207 default:
1201 break; 1208 break;
@@ -1245,7 +1252,7 @@ unexec (new_name, old_name, data_start, bss_start, entry_address)
1245 /* Write out new_file, and free the buffers. */ 1252 /* Write out new_file, and free the buffers. */
1246 1253
1247 if (write (new_file, new_base, new_file_size) != new_file_size) 1254 if (write (new_file, new_base, new_file_size) != new_file_size)
1248 fatal ("Didn't write %d bytes to %s: errno %d\n", 1255 fatal ("Didn't write %d bytes to %s: errno %d\n",
1249 new_file_size, new_base, errno); 1256 new_file_size, new_base, errno);
1250 1257
1251 munmap (old_base, old_file_size); 1258 munmap (old_base, old_file_size);
generated by cgit v1.2.1 (git 2.18.0) at 2026-02-01 09:11:04 +0000