Commit | Line | Data |
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0ee75d02 | 1 | /* BFD backend for SunOS binaries. |
6c97aedf | 2 | Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc. |
0ee75d02 | 3 | Written by Cygnus Support. |
4a81b561 | 4 | |
0ee75d02 | 5 | This file is part of BFD, the Binary File Descriptor library. |
4a81b561 | 6 | |
0ee75d02 | 7 | This program is free software; you can redistribute it and/or modify |
4a81b561 | 8 | it under the terms of the GNU General Public License as published by |
0ee75d02 ILT |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
4a81b561 | 11 | |
0ee75d02 | 12 | This program is distributed in the hope that it will be useful, |
4a81b561 DHW |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
0ee75d02 | 18 | along with this program; if not, write to the Free Software |
943fbd5b | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
4a81b561 | 20 | |
0ee75d02 ILT |
21 | #define TARGETNAME "a.out-sunos-big" |
22 | #define MY(OP) CAT(sunos_big_,OP) | |
4a81b561 | 23 | |
4a81b561 | 24 | #include "bfd.h" |
e85e8bfe ILT |
25 | #include "bfdlink.h" |
26 | #include "libaout.h" | |
78aa64b1 | 27 | |
0ee75d02 | 28 | /* Static routines defined in this file. */ |
4a81b561 | 29 | |
0ee75d02 | 30 | static boolean sunos_read_dynamic_info PARAMS ((bfd *)); |
e85e8bfe ILT |
31 | static long sunos_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); |
32 | static long sunos_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **)); | |
33 | static long sunos_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); | |
34 | static long sunos_canonicalize_dynamic_reloc | |
35 | PARAMS ((bfd *, arelent **, asymbol **)); | |
36 | static struct bfd_hash_entry *sunos_link_hash_newfunc | |
37 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
38 | static struct bfd_link_hash_table *sunos_link_hash_table_create | |
39 | PARAMS ((bfd *)); | |
535c89f0 ILT |
40 | static boolean sunos_create_dynamic_sections |
41 | PARAMS ((bfd *, struct bfd_link_info *, boolean)); | |
e85e8bfe ILT |
42 | static boolean sunos_add_dynamic_symbols |
43 | PARAMS ((bfd *, struct bfd_link_info *)); | |
44 | static boolean sunos_add_one_symbol | |
45 | PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *, | |
46 | bfd_vma, const char *, boolean, boolean, | |
47 | struct bfd_link_hash_entry **)); | |
48 | static boolean sunos_scan_relocs | |
49 | PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_size_type)); | |
50 | static boolean sunos_scan_std_relocs | |
51 | PARAMS ((struct bfd_link_info *, bfd *, asection *, | |
52 | const struct reloc_std_external *, bfd_size_type)); | |
53 | static boolean sunos_scan_ext_relocs | |
54 | PARAMS ((struct bfd_link_info *, bfd *, asection *, | |
55 | const struct reloc_ext_external *, bfd_size_type)); | |
56 | static boolean sunos_link_dynamic_object | |
57 | PARAMS ((struct bfd_link_info *, bfd *)); | |
58 | static boolean sunos_write_dynamic_symbol | |
59 | PARAMS ((bfd *, struct bfd_link_info *, struct aout_link_hash_entry *)); | |
60 | static boolean sunos_check_dynamic_reloc | |
61 | PARAMS ((struct bfd_link_info *, bfd *, asection *, | |
535c89f0 ILT |
62 | struct aout_link_hash_entry *, PTR, bfd_byte *, boolean *, |
63 | bfd_vma *)); | |
e85e8bfe ILT |
64 | static boolean sunos_finish_dynamic_link |
65 | PARAMS ((bfd *, struct bfd_link_info *)); | |
4a81b561 | 66 | |
e85e8bfe ILT |
67 | #define MY_get_dynamic_symtab_upper_bound sunos_get_dynamic_symtab_upper_bound |
68 | #define MY_canonicalize_dynamic_symtab sunos_canonicalize_dynamic_symtab | |
69 | #define MY_get_dynamic_reloc_upper_bound sunos_get_dynamic_reloc_upper_bound | |
70 | #define MY_canonicalize_dynamic_reloc sunos_canonicalize_dynamic_reloc | |
71 | #define MY_bfd_link_hash_table_create sunos_link_hash_table_create | |
72 | #define MY_add_dynamic_symbols sunos_add_dynamic_symbols | |
73 | #define MY_add_one_symbol sunos_add_one_symbol | |
74 | #define MY_link_dynamic_object sunos_link_dynamic_object | |
75 | #define MY_write_dynamic_symbol sunos_write_dynamic_symbol | |
76 | #define MY_check_dynamic_reloc sunos_check_dynamic_reloc | |
77 | #define MY_finish_dynamic_link sunos_finish_dynamic_link | |
4a81b561 | 78 | |
0ee75d02 ILT |
79 | /* Include the usual a.out support. */ |
80 | #include "aoutf1.h" | |
4a81b561 | 81 | |
0ee75d02 ILT |
82 | /* SunOS shared library support. We store a pointer to this structure |
83 | in obj_aout_dynamic_info (abfd). */ | |
4a81b561 | 84 | |
0ee75d02 | 85 | struct sunos_dynamic_info |
78aa64b1 | 86 | { |
0ee75d02 ILT |
87 | /* Whether we found any dynamic information. */ |
88 | boolean valid; | |
89 | /* Dynamic information. */ | |
90 | struct internal_sun4_dynamic_link dyninfo; | |
91 | /* Number of dynamic symbols. */ | |
e85e8bfe | 92 | long dynsym_count; |
0ee75d02 ILT |
93 | /* Read in nlists for dynamic symbols. */ |
94 | struct external_nlist *dynsym; | |
e85e8bfe ILT |
95 | /* asymbol structures for dynamic symbols. */ |
96 | aout_symbol_type *canonical_dynsym; | |
0ee75d02 ILT |
97 | /* Read in dynamic string table. */ |
98 | char *dynstr; | |
99 | /* Number of dynamic relocs. */ | |
e85e8bfe | 100 | long dynrel_count; |
0ee75d02 ILT |
101 | /* Read in dynamic relocs. This may be reloc_std_external or |
102 | reloc_ext_external. */ | |
103 | PTR dynrel; | |
e85e8bfe ILT |
104 | /* arelent structures for dynamic relocs. */ |
105 | arelent *canonical_dynrel; | |
0ee75d02 | 106 | }; |
4a81b561 | 107 | |
e85e8bfe ILT |
108 | /* The hash table of dynamic symbols is composed of two word entries. |
109 | See include/aout/sun4.h for details. */ | |
110 | ||
111 | #define HASH_ENTRY_SIZE (2 * BYTES_IN_WORD) | |
112 | ||
0ee75d02 ILT |
113 | /* Read in the basic dynamic information. This locates the __DYNAMIC |
114 | structure and uses it to find the dynamic_link structure. It | |
115 | creates and saves a sunos_dynamic_info structure. If it can't find | |
116 | __DYNAMIC, it sets the valid field of the sunos_dynamic_info | |
117 | structure to false to avoid doing this work again. */ | |
4a81b561 | 118 | |
0ee75d02 ILT |
119 | static boolean |
120 | sunos_read_dynamic_info (abfd) | |
4a81b561 DHW |
121 | bfd *abfd; |
122 | { | |
0ee75d02 | 123 | struct sunos_dynamic_info *info; |
0ee75d02 ILT |
124 | asection *dynsec; |
125 | file_ptr dynoff; | |
126 | struct external_sun4_dynamic dyninfo; | |
127 | unsigned long dynver; | |
128 | struct external_sun4_dynamic_link linkinfo; | |
129 | ||
130 | if (obj_aout_dynamic_info (abfd) != (PTR) NULL) | |
131 | return true; | |
132 | ||
e85e8bfe ILT |
133 | if ((abfd->flags & DYNAMIC) == 0) |
134 | { | |
135 | bfd_set_error (bfd_error_invalid_operation); | |
136 | return false; | |
137 | } | |
138 | ||
0ee75d02 ILT |
139 | info = ((struct sunos_dynamic_info *) |
140 | bfd_zalloc (abfd, sizeof (struct sunos_dynamic_info))); | |
9783e04a DM |
141 | if (!info) |
142 | { | |
d7fb4531 | 143 | bfd_set_error (bfd_error_no_memory); |
9783e04a DM |
144 | return false; |
145 | } | |
0ee75d02 ILT |
146 | info->valid = false; |
147 | info->dynsym = NULL; | |
148 | info->dynstr = NULL; | |
e85e8bfe | 149 | info->canonical_dynsym = NULL; |
0ee75d02 | 150 | info->dynrel = NULL; |
e85e8bfe | 151 | info->canonical_dynrel = NULL; |
0ee75d02 ILT |
152 | obj_aout_dynamic_info (abfd) = (PTR) info; |
153 | ||
3e0b5554 PS |
154 | /* This code used to look for the __DYNAMIC symbol to locate the dynamic |
155 | linking information. | |
156 | However this inhibits recovering the dynamic symbols from a | |
157 | stripped object file, so blindly assume that the dynamic linking | |
158 | information is located at the start of the data section. | |
159 | We could verify this assumption later by looking through the dynamic | |
160 | symbols for the __DYNAMIC symbol. */ | |
161 | if ((abfd->flags & DYNAMIC) == 0) | |
0ee75d02 | 162 | return true; |
3e0b5554 PS |
163 | if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (PTR) &dyninfo, |
164 | (file_ptr) 0, sizeof dyninfo)) | |
0ee75d02 ILT |
165 | return true; |
166 | ||
167 | dynver = GET_WORD (abfd, dyninfo.ld_version); | |
168 | if (dynver != 2 && dynver != 3) | |
169 | return true; | |
170 | ||
171 | dynoff = GET_WORD (abfd, dyninfo.ld); | |
172 | ||
173 | /* dynoff is a virtual address. It is probably always in the .data | |
174 | section, but this code should work even if it moves. */ | |
175 | if (dynoff < bfd_get_section_vma (abfd, obj_datasec (abfd))) | |
176 | dynsec = obj_textsec (abfd); | |
177 | else | |
178 | dynsec = obj_datasec (abfd); | |
179 | dynoff -= bfd_get_section_vma (abfd, dynsec); | |
180 | if (dynoff < 0 || dynoff > bfd_section_size (abfd, dynsec)) | |
181 | return true; | |
182 | ||
183 | /* This executable appears to be dynamically linked in a way that we | |
184 | can understand. */ | |
185 | if (! bfd_get_section_contents (abfd, dynsec, (PTR) &linkinfo, dynoff, | |
186 | (bfd_size_type) sizeof linkinfo)) | |
187 | return true; | |
188 | ||
189 | /* Swap in the dynamic link information. */ | |
190 | info->dyninfo.ld_loaded = GET_WORD (abfd, linkinfo.ld_loaded); | |
191 | info->dyninfo.ld_need = GET_WORD (abfd, linkinfo.ld_need); | |
192 | info->dyninfo.ld_rules = GET_WORD (abfd, linkinfo.ld_rules); | |
193 | info->dyninfo.ld_got = GET_WORD (abfd, linkinfo.ld_got); | |
194 | info->dyninfo.ld_plt = GET_WORD (abfd, linkinfo.ld_plt); | |
195 | info->dyninfo.ld_rel = GET_WORD (abfd, linkinfo.ld_rel); | |
196 | info->dyninfo.ld_hash = GET_WORD (abfd, linkinfo.ld_hash); | |
197 | info->dyninfo.ld_stab = GET_WORD (abfd, linkinfo.ld_stab); | |
198 | info->dyninfo.ld_stab_hash = GET_WORD (abfd, linkinfo.ld_stab_hash); | |
199 | info->dyninfo.ld_buckets = GET_WORD (abfd, linkinfo.ld_buckets); | |
200 | info->dyninfo.ld_symbols = GET_WORD (abfd, linkinfo.ld_symbols); | |
201 | info->dyninfo.ld_symb_size = GET_WORD (abfd, linkinfo.ld_symb_size); | |
202 | info->dyninfo.ld_text = GET_WORD (abfd, linkinfo.ld_text); | |
203 | info->dyninfo.ld_plt_sz = GET_WORD (abfd, linkinfo.ld_plt_sz); | |
204 | ||
205 | /* The only way to get the size of the symbol information appears to | |
206 | be to determine the distance between it and the string table. */ | |
207 | info->dynsym_count = ((info->dyninfo.ld_symbols - info->dyninfo.ld_stab) | |
208 | / EXTERNAL_NLIST_SIZE); | |
209 | BFD_ASSERT (info->dynsym_count * EXTERNAL_NLIST_SIZE | |
210 | == info->dyninfo.ld_symbols - info->dyninfo.ld_stab); | |
211 | ||
212 | /* Similarly, the relocs end at the hash table. */ | |
213 | info->dynrel_count = ((info->dyninfo.ld_hash - info->dyninfo.ld_rel) | |
214 | / obj_reloc_entry_size (abfd)); | |
215 | BFD_ASSERT (info->dynrel_count * obj_reloc_entry_size (abfd) | |
216 | == info->dyninfo.ld_hash - info->dyninfo.ld_rel); | |
217 | ||
218 | info->valid = true; | |
4a81b561 DHW |
219 | |
220 | return true; | |
221 | } | |
222 | ||
e85e8bfe ILT |
223 | /* Return the amount of memory required for the dynamic symbols. */ |
224 | ||
225 | static long | |
226 | sunos_get_dynamic_symtab_upper_bound (abfd) | |
227 | bfd *abfd; | |
228 | { | |
229 | struct sunos_dynamic_info *info; | |
230 | ||
231 | if (! sunos_read_dynamic_info (abfd)) | |
232 | return -1; | |
233 | ||
234 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
235 | if (! info->valid) | |
236 | { | |
237 | bfd_set_error (bfd_error_no_symbols); | |
238 | return -1; | |
239 | } | |
240 | ||
241 | return (info->dynsym_count + 1) * sizeof (asymbol *); | |
242 | } | |
243 | ||
0ee75d02 | 244 | /* Read in the dynamic symbols. */ |
4a81b561 | 245 | |
e85e8bfe ILT |
246 | static long |
247 | sunos_canonicalize_dynamic_symtab (abfd, storage) | |
4a81b561 | 248 | bfd *abfd; |
e85e8bfe | 249 | asymbol **storage; |
4a81b561 | 250 | { |
0ee75d02 | 251 | struct sunos_dynamic_info *info; |
e85e8bfe | 252 | long i; |
4a81b561 | 253 | |
e85e8bfe ILT |
254 | /* Get the general dynamic information. */ |
255 | if (obj_aout_dynamic_info (abfd) == NULL) | |
0ee75d02 ILT |
256 | { |
257 | if (! sunos_read_dynamic_info (abfd)) | |
e85e8bfe | 258 | return -1; |
4a81b561 | 259 | } |
c93595dd | 260 | |
0ee75d02 | 261 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); |
e85e8bfe ILT |
262 | if (! info->valid) |
263 | { | |
264 | bfd_set_error (bfd_error_no_symbols); | |
265 | return -1; | |
266 | } | |
10be52bf | 267 | |
e85e8bfe | 268 | /* Get the dynamic nlist structures. */ |
0ee75d02 ILT |
269 | if (info->dynsym == (struct external_nlist *) NULL) |
270 | { | |
271 | info->dynsym = ((struct external_nlist *) | |
272 | bfd_alloc (abfd, | |
273 | (info->dynsym_count | |
274 | * EXTERNAL_NLIST_SIZE))); | |
e85e8bfe | 275 | if (info->dynsym == NULL && info->dynsym_count != 0) |
9783e04a | 276 | { |
d7fb4531 | 277 | bfd_set_error (bfd_error_no_memory); |
e85e8bfe | 278 | return -1; |
9783e04a | 279 | } |
0ee75d02 ILT |
280 | if (bfd_seek (abfd, info->dyninfo.ld_stab, SEEK_SET) != 0 |
281 | || (bfd_read ((PTR) info->dynsym, info->dynsym_count, | |
282 | EXTERNAL_NLIST_SIZE, abfd) | |
e85e8bfe ILT |
283 | != info->dynsym_count * EXTERNAL_NLIST_SIZE)) |
284 | { | |
285 | if (info->dynsym != NULL) | |
286 | { | |
287 | bfd_release (abfd, info->dynsym); | |
288 | info->dynsym = NULL; | |
289 | } | |
290 | return -1; | |
291 | } | |
292 | } | |
293 | ||
294 | /* Get the dynamic strings. */ | |
295 | if (info->dynstr == (char *) NULL) | |
296 | { | |
297 | info->dynstr = (char *) bfd_alloc (abfd, info->dyninfo.ld_symb_size); | |
298 | if (info->dynstr == NULL && info->dyninfo.ld_symb_size != 0) | |
299 | { | |
300 | bfd_set_error (bfd_error_no_memory); | |
301 | return -1; | |
302 | } | |
303 | if (bfd_seek (abfd, info->dyninfo.ld_symbols, SEEK_SET) != 0 | |
0ee75d02 ILT |
304 | || (bfd_read ((PTR) info->dynstr, 1, info->dyninfo.ld_symb_size, |
305 | abfd) | |
306 | != info->dyninfo.ld_symb_size)) | |
e85e8bfe ILT |
307 | { |
308 | if (info->dynstr != NULL) | |
309 | { | |
310 | bfd_release (abfd, info->dynstr); | |
311 | info->dynstr = NULL; | |
312 | } | |
313 | return -1; | |
314 | } | |
0ee75d02 | 315 | } |
1a602d6e | 316 | |
0ee75d02 ILT |
317 | #ifdef CHECK_DYNAMIC_HASH |
318 | /* Check my understanding of the dynamic hash table by making sure | |
319 | that each symbol can be located in the hash table. */ | |
320 | { | |
321 | bfd_size_type table_size; | |
322 | bfd_byte *table; | |
323 | bfd_size_type i; | |
324 | ||
325 | if (info->dyninfo.ld_buckets > info->dynsym_count) | |
326 | abort (); | |
327 | table_size = info->dyninfo.ld_stab - info->dyninfo.ld_hash; | |
d7fb4531 | 328 | table = (bfd_byte *) malloc (table_size); |
e85e8bfe | 329 | if (table == NULL && table_size != 0) |
d7fb4531 | 330 | abort (); |
0ee75d02 ILT |
331 | if (bfd_seek (abfd, info->dyninfo.ld_hash, SEEK_SET) != 0 |
332 | || bfd_read ((PTR) table, 1, table_size, abfd) != table_size) | |
333 | abort (); | |
334 | for (i = 0; i < info->dynsym_count; i++) | |
9846338e | 335 | { |
0ee75d02 ILT |
336 | unsigned char *name; |
337 | unsigned long hash; | |
338 | ||
339 | name = ((unsigned char *) info->dynstr | |
340 | + GET_WORD (abfd, info->dynsym[i].e_strx)); | |
341 | hash = 0; | |
342 | while (*name != '\0') | |
343 | hash = (hash << 1) + *name++; | |
344 | hash &= 0x7fffffff; | |
345 | hash %= info->dyninfo.ld_buckets; | |
e85e8bfe | 346 | while (GET_WORD (abfd, table + hash * HASH_ENTRY_SIZE) != i) |
0ee75d02 | 347 | { |
e85e8bfe ILT |
348 | hash = GET_WORD (abfd, |
349 | table + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD); | |
350 | if (hash == 0 || hash >= table_size / HASH_ENTRY_SIZE) | |
0ee75d02 ILT |
351 | abort (); |
352 | } | |
9846338e | 353 | } |
d7fb4531 | 354 | free (table); |
4a81b561 | 355 | } |
0ee75d02 | 356 | #endif /* CHECK_DYNAMIC_HASH */ |
4a81b561 | 357 | |
e85e8bfe ILT |
358 | /* Get the asymbol structures corresponding to the dynamic nlist |
359 | structures. */ | |
360 | if (info->canonical_dynsym == (aout_symbol_type *) NULL) | |
361 | { | |
362 | info->canonical_dynsym = ((aout_symbol_type *) | |
363 | bfd_alloc (abfd, | |
364 | (info->dynsym_count | |
365 | * sizeof (aout_symbol_type)))); | |
366 | if (info->canonical_dynsym == NULL && info->dynsym_count != 0) | |
367 | { | |
368 | bfd_set_error (bfd_error_no_memory); | |
369 | return -1; | |
370 | } | |
371 | ||
372 | if (! aout_32_translate_symbol_table (abfd, info->canonical_dynsym, | |
373 | info->dynsym, info->dynsym_count, | |
374 | info->dynstr, | |
375 | info->dyninfo.ld_symb_size, | |
376 | true)) | |
377 | { | |
378 | if (info->canonical_dynsym != NULL) | |
379 | { | |
380 | bfd_release (abfd, info->canonical_dynsym); | |
381 | info->canonical_dynsym = NULL; | |
382 | } | |
383 | return -1; | |
384 | } | |
385 | } | |
386 | ||
387 | /* Return pointers to the dynamic asymbol structures. */ | |
388 | for (i = 0; i < info->dynsym_count; i++) | |
389 | *storage++ = (asymbol *) (info->canonical_dynsym + i); | |
390 | *storage = NULL; | |
391 | ||
0ee75d02 | 392 | return info->dynsym_count; |
4a81b561 | 393 | } |
4a81b561 | 394 | |
e85e8bfe ILT |
395 | /* Return the amount of memory required for the dynamic relocs. */ |
396 | ||
397 | static long | |
398 | sunos_get_dynamic_reloc_upper_bound (abfd) | |
399 | bfd *abfd; | |
400 | { | |
401 | struct sunos_dynamic_info *info; | |
402 | ||
403 | if (! sunos_read_dynamic_info (abfd)) | |
404 | return -1; | |
405 | ||
406 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
407 | if (! info->valid) | |
408 | { | |
409 | bfd_set_error (bfd_error_no_symbols); | |
410 | return -1; | |
411 | } | |
412 | ||
413 | return (info->dynrel_count + 1) * sizeof (arelent *); | |
414 | } | |
415 | ||
416 | /* Read in the dynamic relocs. */ | |
4a81b561 | 417 | |
e85e8bfe ILT |
418 | static long |
419 | sunos_canonicalize_dynamic_reloc (abfd, storage, syms) | |
4a81b561 | 420 | bfd *abfd; |
e85e8bfe ILT |
421 | arelent **storage; |
422 | asymbol **syms; | |
4a81b561 | 423 | { |
0ee75d02 | 424 | struct sunos_dynamic_info *info; |
e85e8bfe | 425 | long i; |
4a81b561 | 426 | |
e85e8bfe | 427 | /* Get the general dynamic information. */ |
0ee75d02 ILT |
428 | if (obj_aout_dynamic_info (abfd) == (PTR) NULL) |
429 | { | |
430 | if (! sunos_read_dynamic_info (abfd)) | |
e85e8bfe | 431 | return -1; |
0ee75d02 | 432 | } |
4a81b561 | 433 | |
0ee75d02 | 434 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); |
e85e8bfe ILT |
435 | if (! info->valid) |
436 | { | |
437 | bfd_set_error (bfd_error_no_symbols); | |
438 | return -1; | |
439 | } | |
4a81b561 | 440 | |
e85e8bfe | 441 | /* Get the dynamic reloc information. */ |
9783e04a | 442 | if (info->dynrel == NULL) |
0ee75d02 ILT |
443 | { |
444 | info->dynrel = (PTR) bfd_alloc (abfd, | |
445 | (info->dynrel_count | |
446 | * obj_reloc_entry_size (abfd))); | |
e85e8bfe | 447 | if (info->dynrel == NULL && info->dynrel_count != 0) |
9783e04a | 448 | { |
d7fb4531 | 449 | bfd_set_error (bfd_error_no_memory); |
e85e8bfe | 450 | return -1; |
9783e04a | 451 | } |
0ee75d02 ILT |
452 | if (bfd_seek (abfd, info->dyninfo.ld_rel, SEEK_SET) != 0 |
453 | || (bfd_read ((PTR) info->dynrel, info->dynrel_count, | |
454 | obj_reloc_entry_size (abfd), abfd) | |
455 | != info->dynrel_count * obj_reloc_entry_size (abfd))) | |
e85e8bfe ILT |
456 | { |
457 | if (info->dynrel != NULL) | |
458 | { | |
459 | bfd_release (abfd, info->dynrel); | |
460 | info->dynrel = NULL; | |
461 | } | |
462 | return -1; | |
463 | } | |
464 | } | |
465 | ||
466 | /* Get the arelent structures corresponding to the dynamic reloc | |
467 | information. */ | |
468 | if (info->canonical_dynrel == (arelent *) NULL) | |
469 | { | |
470 | arelent *to; | |
471 | ||
472 | info->canonical_dynrel = ((arelent *) | |
473 | bfd_alloc (abfd, | |
474 | (info->dynrel_count | |
475 | * sizeof (arelent)))); | |
476 | if (info->canonical_dynrel == NULL && info->dynrel_count != 0) | |
477 | { | |
478 | bfd_set_error (bfd_error_no_memory); | |
479 | return -1; | |
480 | } | |
481 | ||
482 | to = info->canonical_dynrel; | |
483 | ||
484 | if (obj_reloc_entry_size (abfd) == RELOC_EXT_SIZE) | |
485 | { | |
486 | register struct reloc_ext_external *p; | |
487 | struct reloc_ext_external *pend; | |
488 | ||
489 | p = (struct reloc_ext_external *) info->dynrel; | |
490 | pend = p + info->dynrel_count; | |
491 | for (; p < pend; p++, to++) | |
943fbd5b KR |
492 | NAME(aout,swap_ext_reloc_in) (abfd, p, to, syms, |
493 | info->dynsym_count); | |
e85e8bfe ILT |
494 | } |
495 | else | |
496 | { | |
497 | register struct reloc_std_external *p; | |
498 | struct reloc_std_external *pend; | |
499 | ||
500 | p = (struct reloc_std_external *) info->dynrel; | |
501 | pend = p + info->dynrel_count; | |
502 | for (; p < pend; p++, to++) | |
943fbd5b KR |
503 | NAME(aout,swap_std_reloc_in) (abfd, p, to, syms, |
504 | info->dynsym_count); | |
e85e8bfe | 505 | } |
0ee75d02 | 506 | } |
4a81b561 | 507 | |
e85e8bfe ILT |
508 | /* Return pointers to the dynamic arelent structures. */ |
509 | for (i = 0; i < info->dynrel_count; i++) | |
510 | *storage++ = info->canonical_dynrel + i; | |
511 | *storage = NULL; | |
4a81b561 | 512 | |
0ee75d02 | 513 | return info->dynrel_count; |
4a81b561 | 514 | } |
e85e8bfe ILT |
515 | \f |
516 | /* Code to handle linking of SunOS shared libraries. */ | |
517 | ||
518 | /* A SPARC procedure linkage table entry is 12 bytes. The first entry | |
519 | in the table is a jump which is filled in by the runtime linker. | |
520 | The remaining entries are branches back to the first entry, | |
521 | followed by an index into the relocation table encoded to look like | |
522 | a sethi of %g0. */ | |
523 | ||
524 | #define SPARC_PLT_ENTRY_SIZE (12) | |
525 | ||
04dc16b7 | 526 | static const bfd_byte sparc_plt_first_entry[SPARC_PLT_ENTRY_SIZE] = |
e85e8bfe ILT |
527 | { |
528 | /* sethi %hi(0),%g1; address filled in by runtime linker. */ | |
529 | 0x3, 0, 0, 0, | |
530 | /* jmp %g1; offset filled in by runtime linker. */ | |
531 | 0x81, 0xc0, 0x60, 0, | |
532 | /* nop */ | |
533 | 0x1, 0, 0, 0 | |
534 | }; | |
535 | ||
536 | /* save %sp, -96, %sp */ | |
537 | #define SPARC_PLT_ENTRY_WORD0 0x9de3bfa0 | |
538 | /* call; address filled in later. */ | |
539 | #define SPARC_PLT_ENTRY_WORD1 0x40000000 | |
540 | /* sethi; reloc index filled in later. */ | |
541 | #define SPARC_PLT_ENTRY_WORD2 0x01000000 | |
542 | ||
535c89f0 ILT |
543 | /* This sequence is used when for the jump table entry to a defined |
544 | symbol in a complete executable. It is used when linking PIC | |
545 | compiled code which is not being put into a shared library. */ | |
546 | /* sethi <address to be filled in later>, %g1 */ | |
547 | #define SPARC_PLT_PIC_WORD0 0x03000000 | |
548 | /* jmp %g1 + <address to be filled in later> */ | |
549 | #define SPARC_PLT_PIC_WORD1 0x81c06000 | |
550 | /* nop */ | |
551 | #define SPARC_PLT_PIC_WORD2 0x01000000 | |
552 | ||
e85e8bfe ILT |
553 | /* An m68k procedure linkage table entry is 8 bytes. The first entry |
554 | in the table is a jump which is filled in the by the runtime | |
555 | linker. The remaining entries are branches back to the first | |
556 | entry, followed by a two byte index into the relocation table. */ | |
557 | ||
558 | #define M68K_PLT_ENTRY_SIZE (8) | |
559 | ||
04dc16b7 | 560 | static const bfd_byte m68k_plt_first_entry[M68K_PLT_ENTRY_SIZE] = |
e85e8bfe ILT |
561 | { |
562 | /* jmps @# */ | |
563 | 0x4e, 0xf9, | |
564 | /* Filled in by runtime linker with a magic address. */ | |
565 | 0, 0, 0, 0, | |
566 | /* Not used? */ | |
567 | 0, 0 | |
568 | }; | |
569 | ||
570 | /* bsrl */ | |
571 | #define M68K_PLT_ENTRY_WORD0 (0x61ff) | |
572 | /* Remaining words filled in later. */ | |
573 | ||
574 | /* An entry in the SunOS linker hash table. */ | |
575 | ||
576 | struct sunos_link_hash_entry | |
577 | { | |
578 | struct aout_link_hash_entry root; | |
579 | ||
580 | /* If this is a dynamic symbol, this is its index into the dynamic | |
581 | symbol table. This is initialized to -1. As the linker looks at | |
582 | the input files, it changes this to -2 if it will be added to the | |
583 | dynamic symbol table. After all the input files have been seen, | |
584 | the linker will know whether to build a dynamic symbol table; if | |
585 | it does build one, this becomes the index into the table. */ | |
586 | long dynindx; | |
587 | ||
588 | /* If this is a dynamic symbol, this is the index of the name in the | |
589 | dynamic symbol string table. */ | |
590 | long dynstr_index; | |
591 | ||
535c89f0 ILT |
592 | /* The offset into the global offset table used for this symbol. If |
593 | the symbol does not require a GOT entry, this is 0. */ | |
594 | bfd_vma got_offset; | |
595 | ||
596 | /* The offset into the procedure linkage table used for this symbol. | |
597 | If the symbol does not require a PLT entry, this is 0. */ | |
598 | bfd_vma plt_offset; | |
599 | ||
e85e8bfe ILT |
600 | /* Some linker flags. */ |
601 | unsigned char flags; | |
602 | /* Symbol is referenced by a regular object. */ | |
603 | #define SUNOS_REF_REGULAR 01 | |
604 | /* Symbol is defined by a regular object. */ | |
605 | #define SUNOS_DEF_REGULAR 02 | |
606 | /* Symbol is referenced by a dynamic object. */ | |
607 | #define SUNOS_REF_DYNAMIC 010 | |
608 | /* Symbol is defined by a dynamic object. */ | |
609 | #define SUNOS_DEF_DYNAMIC 020 | |
610 | }; | |
611 | ||
612 | /* The SunOS linker hash table. */ | |
613 | ||
614 | struct sunos_link_hash_table | |
615 | { | |
616 | struct aout_link_hash_table root; | |
617 | ||
535c89f0 | 618 | /* The object which holds the dynamic sections. */ |
e85e8bfe ILT |
619 | bfd *dynobj; |
620 | ||
535c89f0 ILT |
621 | /* Whether we have created the dynamic sections. */ |
622 | boolean dynamic_sections_created; | |
623 | ||
624 | /* Whether we need the dynamic sections. */ | |
625 | boolean dynamic_sections_needed; | |
626 | ||
e85e8bfe ILT |
627 | /* The number of dynamic symbols. */ |
628 | size_t dynsymcount; | |
629 | ||
630 | /* The number of buckets in the hash table. */ | |
631 | size_t bucketcount; | |
632 | }; | |
633 | ||
634 | /* Routine to create an entry in an SunOS link hash table. */ | |
635 | ||
636 | static struct bfd_hash_entry * | |
637 | sunos_link_hash_newfunc (entry, table, string) | |
638 | struct bfd_hash_entry *entry; | |
639 | struct bfd_hash_table *table; | |
640 | const char *string; | |
641 | { | |
642 | struct sunos_link_hash_entry *ret = (struct sunos_link_hash_entry *) entry; | |
643 | ||
644 | /* Allocate the structure if it has not already been allocated by a | |
645 | subclass. */ | |
646 | if (ret == (struct sunos_link_hash_entry *) NULL) | |
647 | ret = ((struct sunos_link_hash_entry *) | |
648 | bfd_hash_allocate (table, sizeof (struct sunos_link_hash_entry))); | |
649 | if (ret == (struct sunos_link_hash_entry *) NULL) | |
650 | { | |
651 | bfd_set_error (bfd_error_no_memory); | |
652 | return (struct bfd_hash_entry *) ret; | |
653 | } | |
654 | ||
655 | /* Call the allocation method of the superclass. */ | |
656 | ret = ((struct sunos_link_hash_entry *) | |
657 | NAME(aout,link_hash_newfunc) ((struct bfd_hash_entry *) ret, | |
658 | table, string)); | |
659 | if (ret != NULL) | |
660 | { | |
661 | /* Set local fields. */ | |
662 | ret->dynindx = -1; | |
663 | ret->dynstr_index = -1; | |
535c89f0 ILT |
664 | ret->got_offset = 0; |
665 | ret->plt_offset = 0; | |
e85e8bfe ILT |
666 | ret->flags = 0; |
667 | } | |
668 | ||
669 | return (struct bfd_hash_entry *) ret; | |
670 | } | |
671 | ||
672 | /* Create a SunOS link hash table. */ | |
673 | ||
674 | static struct bfd_link_hash_table * | |
675 | sunos_link_hash_table_create (abfd) | |
676 | bfd *abfd; | |
677 | { | |
678 | struct sunos_link_hash_table *ret; | |
679 | ||
680 | ret = ((struct sunos_link_hash_table *) | |
535c89f0 | 681 | bfd_alloc (abfd, sizeof (struct sunos_link_hash_table))); |
e85e8bfe ILT |
682 | if (ret == (struct sunos_link_hash_table *) NULL) |
683 | { | |
684 | bfd_set_error (bfd_error_no_memory); | |
685 | return (struct bfd_link_hash_table *) NULL; | |
686 | } | |
687 | if (! NAME(aout,link_hash_table_init) (&ret->root, abfd, | |
688 | sunos_link_hash_newfunc)) | |
689 | { | |
690 | free (ret); | |
691 | return (struct bfd_link_hash_table *) NULL; | |
692 | } | |
693 | ||
694 | ret->dynobj = NULL; | |
535c89f0 ILT |
695 | ret->dynamic_sections_created = false; |
696 | ret->dynamic_sections_needed = false; | |
e85e8bfe ILT |
697 | ret->dynsymcount = 0; |
698 | ret->bucketcount = 0; | |
699 | ||
700 | return &ret->root.root; | |
701 | } | |
702 | ||
703 | /* Look up an entry in an SunOS link hash table. */ | |
704 | ||
705 | #define sunos_link_hash_lookup(table, string, create, copy, follow) \ | |
706 | ((struct sunos_link_hash_entry *) \ | |
707 | aout_link_hash_lookup (&(table)->root, (string), (create), (copy),\ | |
708 | (follow))) | |
709 | ||
710 | /* Traverse a SunOS link hash table. */ | |
711 | ||
712 | #define sunos_link_hash_traverse(table, func, info) \ | |
713 | (aout_link_hash_traverse \ | |
714 | (&(table)->root, \ | |
715 | (boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \ | |
716 | (info))) | |
717 | ||
718 | /* Get the SunOS link hash table from the info structure. This is | |
719 | just a cast. */ | |
720 | ||
721 | #define sunos_hash_table(p) ((struct sunos_link_hash_table *) ((p)->hash)) | |
722 | ||
723 | static boolean sunos_scan_dynamic_symbol | |
724 | PARAMS ((struct sunos_link_hash_entry *, PTR)); | |
725 | ||
535c89f0 ILT |
726 | /* Create the dynamic sections needed if we are linking against a |
727 | dynamic object, or if we are linking PIC compiled code. ABFD is a | |
728 | bfd we can attach the dynamic sections to. The linker script will | |
729 | look for these special sections names and put them in the right | |
730 | place in the output file. See include/aout/sun4.h for more details | |
731 | of the dynamic linking information. */ | |
e85e8bfe ILT |
732 | |
733 | static boolean | |
535c89f0 | 734 | sunos_create_dynamic_sections (abfd, info, needed) |
e85e8bfe ILT |
735 | bfd *abfd; |
736 | struct bfd_link_info *info; | |
535c89f0 | 737 | boolean needed; |
e85e8bfe ILT |
738 | { |
739 | asection *s; | |
740 | ||
535c89f0 | 741 | if (! sunos_hash_table (info)->dynamic_sections_created) |
e85e8bfe ILT |
742 | { |
743 | flagword flags; | |
e85e8bfe ILT |
744 | |
745 | sunos_hash_table (info)->dynobj = abfd; | |
535c89f0 | 746 | |
e85e8bfe ILT |
747 | flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY; |
748 | ||
749 | /* The .dynamic section holds the basic dynamic information: the | |
750 | sun4_dynamic structure, the dynamic debugger information, and | |
751 | the sun4_dynamic_link structure. */ | |
752 | s = bfd_make_section (abfd, ".dynamic"); | |
753 | if (s == NULL | |
754 | || ! bfd_set_section_flags (abfd, s, flags) | |
755 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
e85e8bfe ILT |
756 | return false; |
757 | ||
535c89f0 ILT |
758 | /* The .got section holds the global offset table. The address |
759 | is put in the ld_got field. */ | |
e85e8bfe ILT |
760 | s = bfd_make_section (abfd, ".got"); |
761 | if (s == NULL | |
762 | || ! bfd_set_section_flags (abfd, s, flags) | |
763 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
764 | return false; | |
e85e8bfe ILT |
765 | |
766 | /* The .plt section holds the procedure linkage table. The | |
767 | address is put in the ld_plt field. */ | |
768 | s = bfd_make_section (abfd, ".plt"); | |
769 | if (s == NULL | |
770 | || ! bfd_set_section_flags (abfd, s, flags | SEC_CODE) | |
771 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
772 | return false; | |
773 | ||
774 | /* The .dynrel section holds the dynamic relocs. The address is | |
775 | put in the ld_rel field. */ | |
776 | s = bfd_make_section (abfd, ".dynrel"); | |
777 | if (s == NULL | |
778 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
779 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
780 | return false; | |
781 | ||
782 | /* The .hash section holds the dynamic hash table. The address | |
783 | is put in the ld_hash field. */ | |
784 | s = bfd_make_section (abfd, ".hash"); | |
785 | if (s == NULL | |
786 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
787 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
788 | return false; | |
789 | ||
790 | /* The .dynsym section holds the dynamic symbols. The address | |
791 | is put in the ld_stab field. */ | |
792 | s = bfd_make_section (abfd, ".dynsym"); | |
793 | if (s == NULL | |
794 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
795 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
796 | return false; | |
797 | ||
798 | /* The .dynstr section holds the dynamic symbol string table. | |
799 | The address is put in the ld_symbols field. */ | |
800 | s = bfd_make_section (abfd, ".dynstr"); | |
801 | if (s == NULL | |
802 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
803 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
804 | return false; | |
535c89f0 ILT |
805 | |
806 | sunos_hash_table (info)->dynamic_sections_created = true; | |
807 | } | |
808 | ||
809 | if (needed && ! sunos_hash_table (info)->dynamic_sections_needed) | |
810 | { | |
811 | bfd *dynobj; | |
812 | ||
813 | dynobj = sunos_hash_table (info)->dynobj; | |
814 | ||
815 | s = bfd_get_section_by_name (dynobj, ".got"); | |
816 | s->_raw_size = BYTES_IN_WORD; | |
817 | ||
818 | sunos_hash_table (info)->dynamic_sections_needed = true; | |
819 | } | |
820 | ||
821 | return true; | |
822 | } | |
823 | ||
824 | /* Add dynamic symbols during a link. This is called by the a.out | |
825 | backend linker when it encounters an object with the DYNAMIC flag | |
826 | set. */ | |
827 | ||
828 | static boolean | |
829 | sunos_add_dynamic_symbols (abfd, info) | |
830 | bfd *abfd; | |
831 | struct bfd_link_info *info; | |
832 | { | |
833 | asection *s; | |
834 | bfd *dynobj; | |
835 | ||
836 | /* We do not want to include the sections in a dynamic object in the | |
837 | output file. We hack by simply clobbering the list of sections | |
838 | in the BFD. This could be handled more cleanly by, say, a new | |
839 | section flag; the existing SEC_NEVER_LOAD flag is not the one we | |
840 | want, because that one still implies that the section takes up | |
841 | space in the output file. */ | |
842 | abfd->sections = NULL; | |
843 | ||
844 | /* The native linker seems to just ignore dynamic objects when -r is | |
845 | used. */ | |
846 | if (info->relocateable) | |
847 | return true; | |
848 | ||
849 | /* There's no hope of using a dynamic object which does not exactly | |
850 | match the format of the output file. */ | |
851 | if (info->hash->creator != abfd->xvec) | |
852 | { | |
853 | bfd_set_error (bfd_error_invalid_operation); | |
854 | return false; | |
855 | } | |
856 | ||
857 | /* Make sure we have all the required information. */ | |
858 | if (! sunos_create_dynamic_sections (abfd, info, true)) | |
859 | return false; | |
860 | ||
861 | /* Make sure we have a .need and a .rules sections. These are only | |
862 | needed if there really is a dynamic object in the link, so they | |
863 | are not added by sunos_create_dynamic_sections. */ | |
864 | dynobj = sunos_hash_table (info)->dynobj; | |
865 | if (bfd_get_section_by_name (dynobj, ".need") == NULL) | |
866 | { | |
867 | /* The .need section holds the list of names of shared objets | |
868 | which must be included at runtime. The address of this | |
869 | section is put in the ld_need field. */ | |
870 | s = bfd_make_section (dynobj, ".need"); | |
871 | if (s == NULL | |
872 | || ! bfd_set_section_flags (dynobj, s, | |
873 | (SEC_ALLOC | |
874 | | SEC_LOAD | |
875 | | SEC_HAS_CONTENTS | |
876 | | SEC_IN_MEMORY | |
877 | | SEC_READONLY)) | |
878 | || ! bfd_set_section_alignment (dynobj, s, 2)) | |
879 | return false; | |
880 | } | |
881 | ||
882 | if (bfd_get_section_by_name (dynobj, ".rules") == NULL) | |
883 | { | |
884 | /* The .rules section holds the path to search for shared | |
885 | objects. The address of this section is put in the ld_rules | |
886 | field. */ | |
887 | s = bfd_make_section (dynobj, ".rules"); | |
888 | if (s == NULL | |
889 | || ! bfd_set_section_flags (dynobj, s, | |
890 | (SEC_ALLOC | |
891 | | SEC_LOAD | |
892 | | SEC_HAS_CONTENTS | |
893 | | SEC_IN_MEMORY | |
894 | | SEC_READONLY)) | |
895 | || ! bfd_set_section_alignment (dynobj, s, 2)) | |
896 | return false; | |
e85e8bfe ILT |
897 | } |
898 | ||
899 | return true; | |
900 | } | |
901 | ||
902 | /* Function to add a single symbol to the linker hash table. This is | |
903 | a wrapper around _bfd_generic_link_add_one_symbol which handles the | |
904 | tweaking needed for dynamic linking support. */ | |
905 | ||
906 | static boolean | |
907 | sunos_add_one_symbol (info, abfd, name, flags, section, value, string, | |
908 | copy, collect, hashp) | |
909 | struct bfd_link_info *info; | |
910 | bfd *abfd; | |
911 | const char *name; | |
912 | flagword flags; | |
913 | asection *section; | |
914 | bfd_vma value; | |
915 | const char *string; | |
916 | boolean copy; | |
917 | boolean collect; | |
918 | struct bfd_link_hash_entry **hashp; | |
919 | { | |
920 | struct sunos_link_hash_entry *h; | |
921 | int new_flag; | |
922 | ||
535c89f0 ILT |
923 | if (! sunos_hash_table (info)->dynamic_sections_created) |
924 | { | |
925 | /* We must create the dynamic sections while reading the input | |
926 | files, even though at this point we don't know if any of the | |
927 | sections will be needed. This will ensure that the dynamic | |
928 | sections are mapped to the right output section. It does no | |
929 | harm to create these sections if they are not needed. */ | |
930 | if (! sunos_create_dynamic_sections (abfd, info, info->shared)) | |
931 | return false; | |
932 | } | |
933 | ||
e85e8bfe ILT |
934 | h = sunos_link_hash_lookup (sunos_hash_table (info), name, true, copy, |
935 | false); | |
936 | if (h == NULL) | |
937 | return false; | |
938 | ||
939 | if (hashp != NULL) | |
940 | *hashp = (struct bfd_link_hash_entry *) h; | |
941 | ||
ec88c42e ILT |
942 | /* Treat a common symbol in a dynamic object as defined in the .bss |
943 | section of the dynamic object. We don't want to allocate space | |
944 | for it in our process image. */ | |
e85e8bfe | 945 | if ((abfd->flags & DYNAMIC) != 0 |
788d9436 | 946 | && bfd_is_com_section (section)) |
ec88c42e | 947 | section = obj_bsssec (abfd); |
e85e8bfe | 948 | |
788d9436 | 949 | if (! bfd_is_und_section (section) |
e85e8bfe | 950 | && h->root.root.type != bfd_link_hash_new |
6c97aedf ILT |
951 | && h->root.root.type != bfd_link_hash_undefined |
952 | && h->root.root.type != bfd_link_hash_defweak) | |
e85e8bfe ILT |
953 | { |
954 | /* We are defining the symbol, and it is already defined. This | |
955 | is a potential multiple definition error. */ | |
956 | if ((abfd->flags & DYNAMIC) != 0) | |
957 | { | |
958 | /* The definition we are adding is from a dynamic object. | |
959 | We do not want this new definition to override the | |
960 | existing definition, so we pretend it is just a | |
961 | reference. */ | |
788d9436 | 962 | section = bfd_und_section_ptr; |
e85e8bfe ILT |
963 | } |
964 | else if ((h->root.root.type == bfd_link_hash_defined | |
788d9436 | 965 | && h->root.root.u.def.section->owner != NULL |
e85e8bfe ILT |
966 | && (h->root.root.u.def.section->owner->flags & DYNAMIC) != 0) |
967 | || (h->root.root.type == bfd_link_hash_common | |
943fbd5b | 968 | && ((h->root.root.u.c.p->section->owner->flags & DYNAMIC) |
e85e8bfe ILT |
969 | != 0))) |
970 | { | |
971 | /* The existing definition is from a dynamic object. We | |
972 | want to override it with the definition we just found. | |
973 | Clobber the existing definition. */ | |
974 | h->root.root.type = bfd_link_hash_new; | |
975 | } | |
976 | } | |
977 | ||
978 | /* Do the usual procedure for adding a symbol. */ | |
979 | if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section, | |
980 | value, string, copy, collect, | |
981 | hashp)) | |
982 | return false; | |
983 | ||
04dc16b7 | 984 | if (abfd->xvec == info->hash->creator) |
e85e8bfe | 985 | { |
04dc16b7 ILT |
986 | /* Set a flag in the hash table entry indicating the type of |
987 | reference or definition we just found. Keep a count of the | |
988 | number of dynamic symbols we find. A dynamic symbol is one | |
989 | which is referenced or defined by both a regular object and a | |
990 | shared object. */ | |
991 | if ((abfd->flags & DYNAMIC) == 0) | |
992 | { | |
993 | if (bfd_is_und_section (section)) | |
994 | new_flag = SUNOS_REF_REGULAR; | |
995 | else | |
996 | new_flag = SUNOS_DEF_REGULAR; | |
997 | } | |
e85e8bfe | 998 | else |
04dc16b7 ILT |
999 | { |
1000 | if (bfd_is_und_section (section)) | |
1001 | new_flag = SUNOS_REF_DYNAMIC; | |
1002 | else | |
1003 | new_flag = SUNOS_DEF_DYNAMIC; | |
1004 | } | |
1005 | h->flags |= new_flag; | |
e85e8bfe | 1006 | |
04dc16b7 ILT |
1007 | if (h->dynindx == -1 |
1008 | && (h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0) | |
1009 | { | |
1010 | ++sunos_hash_table (info)->dynsymcount; | |
1011 | h->dynindx = -2; | |
1012 | } | |
e85e8bfe ILT |
1013 | } |
1014 | ||
1015 | return true; | |
1016 | } | |
1017 | ||
1018 | /* Record an assignment made to a symbol by a linker script. We need | |
1019 | this in case some dynamic object refers to this symbol. */ | |
1020 | ||
1021 | boolean | |
1022 | bfd_sunos_record_link_assignment (output_bfd, info, name) | |
1023 | bfd *output_bfd; | |
1024 | struct bfd_link_info *info; | |
1025 | const char *name; | |
1026 | { | |
1027 | struct sunos_link_hash_entry *h; | |
1028 | ||
1029 | /* This is called after we have examined all the input objects. If | |
1030 | the symbol does not exist, it merely means that no object refers | |
1031 | to it, and we can just ignore it at this point. */ | |
1032 | h = sunos_link_hash_lookup (sunos_hash_table (info), name, | |
1033 | false, false, false); | |
1034 | if (h == NULL) | |
1035 | return true; | |
1036 | ||
1037 | h->flags |= SUNOS_DEF_REGULAR; | |
1038 | ||
1039 | if (h->dynindx == -1) | |
1040 | { | |
1041 | ++sunos_hash_table (info)->dynsymcount; | |
1042 | h->dynindx = -2; | |
1043 | } | |
1044 | ||
1045 | return true; | |
1046 | } | |
1047 | ||
1048 | /* Set up the sizes and contents of the dynamic sections created in | |
1049 | sunos_add_dynamic_symbols. This is called by the SunOS linker | |
1050 | emulation before_allocation routine. We must set the sizes of the | |
1051 | sections before the linker sets the addresses of the various | |
1052 | sections. This unfortunately requires reading all the relocs so | |
1053 | that we can work out which ones need to become dynamic relocs. If | |
1054 | info->keep_memory is true, we keep the relocs in memory; otherwise, | |
1055 | we discard them, and will read them again later. */ | |
1056 | ||
1057 | boolean | |
1058 | bfd_sunos_size_dynamic_sections (output_bfd, info, sdynptr, sneedptr, | |
1059 | srulesptr) | |
1060 | bfd *output_bfd; | |
1061 | struct bfd_link_info *info; | |
1062 | asection **sdynptr; | |
1063 | asection **sneedptr; | |
1064 | asection **srulesptr; | |
1065 | { | |
1066 | bfd *dynobj; | |
1067 | size_t dynsymcount; | |
535c89f0 | 1068 | struct sunos_link_hash_entry *h; |
e85e8bfe ILT |
1069 | asection *s; |
1070 | size_t bucketcount; | |
1071 | size_t hashalloc; | |
1072 | size_t i; | |
1073 | bfd *sub; | |
1074 | ||
1075 | *sdynptr = NULL; | |
1076 | *sneedptr = NULL; | |
1077 | *srulesptr = NULL; | |
1078 | ||
535c89f0 ILT |
1079 | /* Look through all the input BFD's and read their relocs. It would |
1080 | be better if we didn't have to do this, but there is no other way | |
1081 | to determine the number of dynamic relocs we need, and, more | |
1082 | importantly, there is no other way to know which symbols should | |
1083 | get an entry in the procedure linkage table. */ | |
1084 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
1085 | { | |
1086 | if ((sub->flags & DYNAMIC) == 0) | |
1087 | { | |
1088 | if (! sunos_scan_relocs (info, sub, obj_textsec (sub), | |
1089 | exec_hdr (sub)->a_trsize) | |
1090 | || ! sunos_scan_relocs (info, sub, obj_datasec (sub), | |
1091 | exec_hdr (sub)->a_drsize)) | |
1092 | return false; | |
1093 | } | |
1094 | } | |
1095 | ||
e85e8bfe ILT |
1096 | dynobj = sunos_hash_table (info)->dynobj; |
1097 | dynsymcount = sunos_hash_table (info)->dynsymcount; | |
1098 | ||
535c89f0 ILT |
1099 | /* If there were no dynamic objects in the link, and we don't need |
1100 | to build a global offset table, there is nothing to do here. */ | |
1101 | if (! sunos_hash_table (info)->dynamic_sections_needed) | |
e85e8bfe ILT |
1102 | return true; |
1103 | ||
535c89f0 ILT |
1104 | /* If __GLOBAL_OFFSET_TABLE_ was mentioned, define it. */ |
1105 | h = sunos_link_hash_lookup (sunos_hash_table (info), | |
1106 | "__GLOBAL_OFFSET_TABLE_", false, false, false); | |
1107 | if (h != NULL && (h->flags & SUNOS_REF_REGULAR) != 0) | |
1108 | { | |
1109 | h->flags |= SUNOS_DEF_REGULAR; | |
1110 | if (h->dynindx == -1) | |
1111 | { | |
1112 | ++sunos_hash_table (info)->dynsymcount; | |
1113 | h->dynindx = -2; | |
1114 | } | |
1115 | h->root.root.type = bfd_link_hash_defined; | |
1116 | h->root.root.u.def.section = bfd_get_section_by_name (dynobj, ".got"); | |
1117 | h->root.root.u.def.value = 0; | |
1118 | } | |
1119 | ||
e85e8bfe ILT |
1120 | /* The .dynamic section is always the same size. */ |
1121 | s = bfd_get_section_by_name (dynobj, ".dynamic"); | |
1122 | BFD_ASSERT (s != NULL); | |
1123 | s->_raw_size = (sizeof (struct external_sun4_dynamic) | |
1124 | + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE | |
1125 | + sizeof (struct external_sun4_dynamic_link)); | |
1126 | ||
1127 | /* Set the size of the .dynsym and .hash sections. We counted the | |
1128 | number of dynamic symbols as we read the input files. We will | |
1129 | build the dynamic symbol table (.dynsym) and the hash table | |
1130 | (.hash) when we build the final symbol table, because until then | |
1131 | we do not know the correct value to give the symbols. We build | |
1132 | the dynamic symbol string table (.dynstr) in a traversal of the | |
1133 | symbol table using sunos_scan_dynamic_symbol. */ | |
1134 | s = bfd_get_section_by_name (dynobj, ".dynsym"); | |
1135 | BFD_ASSERT (s != NULL); | |
1136 | s->_raw_size = dynsymcount * sizeof (struct external_nlist); | |
1137 | s->contents = (bfd_byte *) bfd_alloc (output_bfd, s->_raw_size); | |
1138 | if (s->contents == NULL && s->_raw_size != 0) | |
1139 | { | |
1140 | bfd_set_error (bfd_error_no_memory); | |
1141 | return false; | |
1142 | } | |
1143 | ||
1144 | /* The number of buckets is just the number of symbols divided by | |
535c89f0 | 1145 | four. To compute the final size of the hash table, we must |
e85e8bfe ILT |
1146 | actually compute the hash table. Normally we need exactly as |
1147 | many entries in the hash table as there are dynamic symbols, but | |
1148 | if some of the buckets are not used we will need additional | |
535c89f0 | 1149 | entries. In the worst case, every symbol will hash to the same |
e85e8bfe ILT |
1150 | bucket, and we will need BUCKETCOUNT - 1 extra entries. */ |
1151 | if (dynsymcount >= 4) | |
1152 | bucketcount = dynsymcount / 4; | |
1153 | else if (dynsymcount > 0) | |
1154 | bucketcount = dynsymcount; | |
1155 | else | |
1156 | bucketcount = 1; | |
1157 | s = bfd_get_section_by_name (dynobj, ".hash"); | |
1158 | BFD_ASSERT (s != NULL); | |
1159 | hashalloc = (dynsymcount + bucketcount - 1) * HASH_ENTRY_SIZE; | |
a1ade84e | 1160 | s->contents = (bfd_byte *) bfd_alloc (dynobj, hashalloc); |
e85e8bfe ILT |
1161 | if (s->contents == NULL && dynsymcount > 0) |
1162 | { | |
1163 | bfd_set_error (bfd_error_no_memory); | |
1164 | return false; | |
1165 | } | |
1166 | memset (s->contents, 0, hashalloc); | |
1167 | for (i = 0; i < bucketcount; i++) | |
1168 | PUT_WORD (output_bfd, (bfd_vma) -1, s->contents + i * HASH_ENTRY_SIZE); | |
1169 | s->_raw_size = bucketcount * HASH_ENTRY_SIZE; | |
1170 | ||
1171 | sunos_hash_table (info)->bucketcount = bucketcount; | |
1172 | ||
e85e8bfe ILT |
1173 | /* Scan all the symbols, place them in the dynamic symbol table, and |
1174 | build the dynamic hash table. We reuse dynsymcount as a counter | |
1175 | for the number of symbols we have added so far. */ | |
1176 | sunos_hash_table (info)->dynsymcount = 0; | |
1177 | sunos_link_hash_traverse (sunos_hash_table (info), | |
1178 | sunos_scan_dynamic_symbol, | |
1179 | (PTR) info); | |
1180 | BFD_ASSERT (sunos_hash_table (info)->dynsymcount == dynsymcount); | |
1181 | ||
1182 | /* The SunOS native linker seems to align the total size of the | |
1183 | symbol strings to a multiple of 8. I don't know if this is | |
1184 | important, but it can't hurt much. */ | |
1185 | s = bfd_get_section_by_name (dynobj, ".dynstr"); | |
1186 | BFD_ASSERT (s != NULL); | |
1187 | if ((s->_raw_size & 7) != 0) | |
1188 | { | |
1189 | bfd_size_type add; | |
1190 | bfd_byte *contents; | |
1191 | ||
1192 | add = 8 - (s->_raw_size & 7); | |
535c89f0 ILT |
1193 | contents = (bfd_byte *) realloc (s->contents, |
1194 | (size_t) (s->_raw_size + add)); | |
e85e8bfe ILT |
1195 | if (contents == NULL) |
1196 | { | |
1197 | bfd_set_error (bfd_error_no_memory); | |
1198 | return false; | |
1199 | } | |
535c89f0 | 1200 | memset (contents + s->_raw_size, 0, (size_t) add); |
e85e8bfe ILT |
1201 | s->contents = contents; |
1202 | s->_raw_size += add; | |
1203 | } | |
1204 | ||
1205 | /* Now that we have worked out the sizes of the procedure linkage | |
1206 | table and the dynamic relocs, allocate storage for them. */ | |
1207 | s = bfd_get_section_by_name (dynobj, ".plt"); | |
1208 | BFD_ASSERT (s != NULL); | |
1209 | if (s->_raw_size != 0) | |
1210 | { | |
a1ade84e | 1211 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size); |
e85e8bfe ILT |
1212 | if (s->contents == NULL) |
1213 | { | |
1214 | bfd_set_error (bfd_error_no_memory); | |
1215 | return false; | |
1216 | } | |
1217 | ||
1218 | /* Fill in the first entry in the table. */ | |
1219 | switch (bfd_get_arch (dynobj)) | |
1220 | { | |
1221 | case bfd_arch_sparc: | |
1222 | memcpy (s->contents, sparc_plt_first_entry, SPARC_PLT_ENTRY_SIZE); | |
1223 | break; | |
1224 | ||
1225 | case bfd_arch_m68k: | |
1226 | memcpy (s->contents, m68k_plt_first_entry, M68K_PLT_ENTRY_SIZE); | |
1227 | break; | |
1228 | ||
1229 | default: | |
1230 | abort (); | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1235 | if (s->_raw_size != 0) | |
1236 | { | |
a1ade84e | 1237 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size); |
e85e8bfe ILT |
1238 | if (s->contents == NULL) |
1239 | { | |
1240 | bfd_set_error (bfd_error_no_memory); | |
1241 | return false; | |
1242 | } | |
1243 | } | |
1244 | /* We use the reloc_count field to keep track of how many of the | |
1245 | relocs we have output so far. */ | |
1246 | s->reloc_count = 0; | |
1247 | ||
1248 | /* Make space for the global offset table. */ | |
1249 | s = bfd_get_section_by_name (dynobj, ".got"); | |
a1ade84e | 1250 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size); |
e85e8bfe ILT |
1251 | if (s->contents == NULL) |
1252 | { | |
1253 | bfd_set_error (bfd_error_no_memory); | |
1254 | return false; | |
1255 | } | |
1256 | ||
1257 | *sdynptr = bfd_get_section_by_name (dynobj, ".dynamic"); | |
1258 | *sneedptr = bfd_get_section_by_name (dynobj, ".need"); | |
1259 | *srulesptr = bfd_get_section_by_name (dynobj, ".rules"); | |
1260 | ||
1261 | return true; | |
1262 | } | |
1263 | ||
1264 | /* Scan the relocs for an input section. */ | |
1265 | ||
1266 | static boolean | |
1267 | sunos_scan_relocs (info, abfd, sec, rel_size) | |
1268 | struct bfd_link_info *info; | |
1269 | bfd *abfd; | |
1270 | asection *sec; | |
1271 | bfd_size_type rel_size; | |
1272 | { | |
1273 | PTR relocs; | |
1274 | PTR free_relocs = NULL; | |
1275 | ||
1276 | if (rel_size == 0) | |
1277 | return true; | |
1278 | ||
1279 | if (! info->keep_memory) | |
535c89f0 | 1280 | relocs = free_relocs = malloc ((size_t) rel_size); |
e85e8bfe ILT |
1281 | else |
1282 | { | |
535c89f0 ILT |
1283 | struct aout_section_data_struct *n; |
1284 | ||
1285 | n = ((struct aout_section_data_struct *) | |
1286 | bfd_alloc (abfd, sizeof (struct aout_section_data_struct))); | |
1287 | if (n == NULL) | |
e85e8bfe ILT |
1288 | relocs = NULL; |
1289 | else | |
535c89f0 ILT |
1290 | { |
1291 | set_aout_section_data (sec, n); | |
1292 | relocs = malloc ((size_t) rel_size); | |
1293 | aout_section_data (sec)->relocs = relocs; | |
1294 | } | |
e85e8bfe ILT |
1295 | } |
1296 | if (relocs == NULL) | |
1297 | { | |
1298 | bfd_set_error (bfd_error_no_memory); | |
1299 | return false; | |
1300 | } | |
1301 | ||
1302 | if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0 | |
1303 | || bfd_read (relocs, 1, rel_size, abfd) != rel_size) | |
1304 | goto error_return; | |
1305 | ||
1306 | if (obj_reloc_entry_size (abfd) == RELOC_STD_SIZE) | |
1307 | { | |
1308 | if (! sunos_scan_std_relocs (info, abfd, sec, | |
1309 | (struct reloc_std_external *) relocs, | |
1310 | rel_size)) | |
1311 | goto error_return; | |
1312 | } | |
1313 | else | |
1314 | { | |
1315 | if (! sunos_scan_ext_relocs (info, abfd, sec, | |
1316 | (struct reloc_ext_external *) relocs, | |
1317 | rel_size)) | |
1318 | goto error_return; | |
1319 | } | |
1320 | ||
1321 | if (free_relocs != NULL) | |
1322 | free (free_relocs); | |
1323 | ||
1324 | return true; | |
1325 | ||
1326 | error_return: | |
1327 | if (free_relocs != NULL) | |
1328 | free (free_relocs); | |
1329 | return false; | |
1330 | } | |
1331 | ||
1332 | /* Scan the relocs for an input section using standard relocs. We | |
1333 | need to figure out what to do for each reloc against a dynamic | |
1334 | symbol. If the symbol is in the .text section, an entry is made in | |
1335 | the procedure linkage table. Note that this will do the wrong | |
1336 | thing if the symbol is actually data; I don't think the Sun 3 | |
1337 | native linker handles this case correctly either. If the symbol is | |
1338 | not in the .text section, we must preserve the reloc as a dynamic | |
1339 | reloc. FIXME: We should also handle the PIC relocs here by | |
1340 | building global offset table entries. */ | |
1341 | ||
1342 | static boolean | |
1343 | sunos_scan_std_relocs (info, abfd, sec, relocs, rel_size) | |
1344 | struct bfd_link_info *info; | |
1345 | bfd *abfd; | |
1346 | asection *sec; | |
1347 | const struct reloc_std_external *relocs; | |
1348 | bfd_size_type rel_size; | |
1349 | { | |
1350 | bfd *dynobj; | |
535c89f0 ILT |
1351 | asection *splt = NULL; |
1352 | asection *srel = NULL; | |
e85e8bfe ILT |
1353 | struct sunos_link_hash_entry **sym_hashes; |
1354 | const struct reloc_std_external *rel, *relend; | |
1355 | ||
1356 | /* We only know how to handle m68k plt entries. */ | |
1357 | if (bfd_get_arch (abfd) != bfd_arch_m68k) | |
1358 | { | |
1359 | bfd_set_error (bfd_error_invalid_target); | |
1360 | return false; | |
1361 | } | |
1362 | ||
535c89f0 ILT |
1363 | dynobj = NULL; |
1364 | ||
e85e8bfe ILT |
1365 | sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd); |
1366 | ||
1367 | relend = relocs + rel_size / RELOC_STD_SIZE; | |
1368 | for (rel = relocs; rel < relend; rel++) | |
1369 | { | |
1370 | int r_index; | |
1371 | struct sunos_link_hash_entry *h; | |
1372 | ||
1373 | /* We only want relocs against external symbols. */ | |
1374 | if (abfd->xvec->header_byteorder_big_p) | |
1375 | { | |
1376 | if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG) == 0) | |
1377 | continue; | |
1378 | } | |
1379 | else | |
1380 | { | |
1381 | if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE) == 0) | |
1382 | continue; | |
1383 | } | |
1384 | ||
1385 | /* Get the symbol index. */ | |
1386 | if (abfd->xvec->header_byteorder_big_p) | |
535c89f0 ILT |
1387 | r_index = ((rel->r_index[0] << 16) |
1388 | | (rel->r_index[1] << 8) | |
1389 | | rel->r_index[2]); | |
e85e8bfe | 1390 | else |
535c89f0 ILT |
1391 | r_index = ((rel->r_index[2] << 16) |
1392 | | (rel->r_index[1] << 8) | |
1393 | | rel->r_index[0]); | |
e85e8bfe ILT |
1394 | |
1395 | /* Get the hash table entry. */ | |
1396 | h = sym_hashes[r_index]; | |
1397 | if (h == NULL) | |
1398 | { | |
1399 | /* This should not normally happen, but it will in any case | |
1400 | be caught in the relocation phase. */ | |
1401 | continue; | |
1402 | } | |
1403 | ||
1404 | /* At this point common symbols have already been allocated, so | |
1405 | we don't have to worry about them. We need to consider that | |
1406 | we may have already seen this symbol and marked it undefined; | |
6c97aedf | 1407 | if the symbol is really undefined, then SUNOS_DEF_DYNAMIC |
e85e8bfe ILT |
1408 | will be zero. */ |
1409 | if (h->root.root.type != bfd_link_hash_defined | |
6c97aedf | 1410 | && h->root.root.type != bfd_link_hash_defweak |
e85e8bfe ILT |
1411 | && h->root.root.type != bfd_link_hash_undefined) |
1412 | continue; | |
1413 | ||
1414 | if ((h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
1415 | || (h->flags & SUNOS_DEF_REGULAR) != 0) | |
1416 | continue; | |
1417 | ||
535c89f0 ILT |
1418 | if (dynobj == NULL) |
1419 | { | |
1420 | if (! sunos_create_dynamic_sections (abfd, info, true)) | |
1421 | return false; | |
1422 | dynobj = sunos_hash_table (info)->dynobj; | |
1423 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1424 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1425 | BFD_ASSERT (splt != NULL && srel != NULL); | |
1426 | } | |
1427 | ||
e85e8bfe | 1428 | BFD_ASSERT ((h->flags & SUNOS_REF_REGULAR) != 0); |
b088e4b2 ILT |
1429 | BFD_ASSERT (h->plt_offset != 0 |
1430 | || ((h->root.root.type == bfd_link_hash_defined | |
1431 | || h->root.root.type == bfd_link_hash_defweak) | |
1432 | ? (h->root.root.u.def.section->owner->flags | |
1433 | & DYNAMIC) != 0 | |
1434 | : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0)); | |
e85e8bfe ILT |
1435 | |
1436 | /* This reloc is against a symbol defined only by a dynamic | |
1437 | object. */ | |
1438 | ||
1439 | if (h->root.root.type == bfd_link_hash_undefined) | |
1440 | { | |
1441 | /* Presumably this symbol was marked as being undefined by | |
1442 | an earlier reloc. */ | |
1443 | srel->_raw_size += RELOC_STD_SIZE; | |
1444 | } | |
1445 | else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0) | |
1446 | { | |
1447 | bfd *sub; | |
1448 | ||
1449 | /* This reloc is not in the .text section. It must be | |
1450 | copied into the dynamic relocs. We mark the symbol as | |
1451 | being undefined. */ | |
1452 | srel->_raw_size += RELOC_STD_SIZE; | |
1453 | sub = h->root.root.u.def.section->owner; | |
1454 | h->root.root.type = bfd_link_hash_undefined; | |
1455 | h->root.root.u.undef.abfd = sub; | |
1456 | } | |
1457 | else | |
1458 | { | |
1459 | /* This symbol is in the .text section. We must give it an | |
1460 | entry in the procedure linkage table, if we have not | |
1461 | already done so. We change the definition of the symbol | |
1462 | to the .plt section; this will cause relocs against it to | |
1463 | be handled correctly. */ | |
535c89f0 | 1464 | if (h->plt_offset == 0) |
e85e8bfe ILT |
1465 | { |
1466 | if (splt->_raw_size == 0) | |
1467 | splt->_raw_size = M68K_PLT_ENTRY_SIZE; | |
535c89f0 ILT |
1468 | h->plt_offset = splt->_raw_size; |
1469 | ||
1470 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
1471 | { | |
1472 | h->root.root.u.def.section = splt; | |
1473 | h->root.root.u.def.value = splt->_raw_size; | |
1474 | } | |
1475 | ||
e85e8bfe ILT |
1476 | splt->_raw_size += M68K_PLT_ENTRY_SIZE; |
1477 | ||
535c89f0 ILT |
1478 | /* We may also need a dynamic reloc entry. */ |
1479 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
1480 | srel->_raw_size += RELOC_STD_SIZE; | |
e85e8bfe ILT |
1481 | } |
1482 | } | |
1483 | } | |
1484 | ||
1485 | return true; | |
1486 | } | |
1487 | ||
1488 | /* Scan the relocs for an input section using extended relocs. We | |
1489 | need to figure out what to do for each reloc against a dynamic | |
1490 | symbol. If the reloc is a WDISP30, and the symbol is in the .text | |
1491 | section, an entry is made in the procedure linkage table. | |
535c89f0 | 1492 | Otherwise, we must preserve the reloc as a dynamic reloc. */ |
e85e8bfe ILT |
1493 | |
1494 | static boolean | |
1495 | sunos_scan_ext_relocs (info, abfd, sec, relocs, rel_size) | |
1496 | struct bfd_link_info *info; | |
1497 | bfd *abfd; | |
1498 | asection *sec; | |
1499 | const struct reloc_ext_external *relocs; | |
1500 | bfd_size_type rel_size; | |
1501 | { | |
1502 | bfd *dynobj; | |
e85e8bfe ILT |
1503 | struct sunos_link_hash_entry **sym_hashes; |
1504 | const struct reloc_ext_external *rel, *relend; | |
535c89f0 ILT |
1505 | asection *splt = NULL; |
1506 | asection *sgot = NULL; | |
1507 | asection *srel = NULL; | |
e85e8bfe ILT |
1508 | |
1509 | /* We only know how to handle SPARC plt entries. */ | |
1510 | if (bfd_get_arch (abfd) != bfd_arch_sparc) | |
1511 | { | |
1512 | bfd_set_error (bfd_error_invalid_target); | |
1513 | return false; | |
1514 | } | |
1515 | ||
535c89f0 ILT |
1516 | dynobj = NULL; |
1517 | ||
e85e8bfe ILT |
1518 | sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd); |
1519 | ||
1520 | relend = relocs + rel_size / RELOC_EXT_SIZE; | |
1521 | for (rel = relocs; rel < relend; rel++) | |
1522 | { | |
1523 | int r_index; | |
535c89f0 | 1524 | int r_extern; |
e85e8bfe | 1525 | int r_type; |
535c89f0 | 1526 | struct sunos_link_hash_entry *h = NULL; |
e85e8bfe | 1527 | |
535c89f0 | 1528 | /* Swap in the reloc information. */ |
e85e8bfe ILT |
1529 | if (abfd->xvec->header_byteorder_big_p) |
1530 | { | |
535c89f0 ILT |
1531 | r_index = ((rel->r_index[0] << 16) |
1532 | | (rel->r_index[1] << 8) | |
1533 | | rel->r_index[2]); | |
1534 | r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_BIG)); | |
1535 | r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG) | |
1536 | >> RELOC_EXT_BITS_TYPE_SH_BIG); | |
e85e8bfe ILT |
1537 | } |
1538 | else | |
1539 | { | |
535c89f0 ILT |
1540 | r_index = ((rel->r_index[2] << 16) |
1541 | | (rel->r_index[1] << 8) | |
1542 | | rel->r_index[0]); | |
1543 | r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_LITTLE)); | |
1544 | r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE) | |
1545 | >> RELOC_EXT_BITS_TYPE_SH_LITTLE); | |
e85e8bfe ILT |
1546 | } |
1547 | ||
535c89f0 | 1548 | if (r_extern) |
e85e8bfe | 1549 | { |
535c89f0 ILT |
1550 | h = sym_hashes[r_index]; |
1551 | if (h == NULL) | |
1552 | { | |
1553 | /* This should not normally happen, but it will in any | |
1554 | case be caught in the relocation phase. */ | |
1555 | continue; | |
1556 | } | |
e85e8bfe ILT |
1557 | } |
1558 | else | |
1559 | { | |
535c89f0 ILT |
1560 | if (r_index >= bfd_get_symcount (abfd)) |
1561 | { | |
1562 | /* This is abnormal, but should be caught in the | |
1563 | relocation phase. */ | |
1564 | continue; | |
1565 | } | |
e85e8bfe ILT |
1566 | } |
1567 | ||
535c89f0 ILT |
1568 | /* If this is a base relative reloc, we need to make an entry in |
1569 | the .got section. */ | |
1570 | if (r_type == RELOC_BASE10 | |
1571 | || r_type == RELOC_BASE13 | |
1572 | || r_type == RELOC_BASE22) | |
e85e8bfe | 1573 | { |
535c89f0 ILT |
1574 | if (dynobj == NULL) |
1575 | { | |
1576 | if (! sunos_create_dynamic_sections (abfd, info, true)) | |
1577 | return false; | |
1578 | dynobj = sunos_hash_table (info)->dynobj; | |
1579 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1580 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1581 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1582 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
1583 | } | |
1584 | ||
1585 | if (r_extern) | |
1586 | { | |
1587 | if (h->got_offset != 0) | |
1588 | continue; | |
1589 | ||
1590 | h->got_offset = sgot->_raw_size; | |
1591 | } | |
1592 | else | |
1593 | { | |
1594 | if (adata (abfd).local_got_offsets == NULL) | |
1595 | { | |
1596 | adata (abfd).local_got_offsets = | |
1597 | (bfd_vma *) bfd_zalloc (abfd, | |
1598 | (bfd_get_symcount (abfd) | |
1599 | * sizeof (bfd_vma))); | |
1600 | if (adata (abfd).local_got_offsets == NULL) | |
1601 | { | |
1602 | bfd_set_error (bfd_error_no_memory); | |
1603 | return false; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | if (adata (abfd).local_got_offsets[r_index] != 0) | |
1608 | continue; | |
1609 | ||
1610 | adata (abfd).local_got_offsets[r_index] = sgot->_raw_size; | |
1611 | } | |
1612 | ||
1613 | sgot->_raw_size += BYTES_IN_WORD; | |
1614 | ||
1615 | /* If we are making a shared library, or if the symbol is | |
1616 | defined by a dynamic object, we will need a dynamic reloc | |
1617 | entry. */ | |
1618 | if (info->shared | |
1619 | || (h != NULL | |
1620 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
1621 | && (h->flags & SUNOS_DEF_REGULAR) == 0)) | |
1622 | srel->_raw_size += RELOC_EXT_SIZE; | |
1623 | ||
e85e8bfe ILT |
1624 | continue; |
1625 | } | |
1626 | ||
535c89f0 ILT |
1627 | /* Otherwise, we are only interested in relocs against symbols |
1628 | defined in dynamic objects but not in regular objects. We | |
1629 | only need to consider relocs against external symbols. */ | |
1630 | if (! r_extern) | |
1631 | continue; | |
1632 | ||
e85e8bfe ILT |
1633 | /* At this point common symbols have already been allocated, so |
1634 | we don't have to worry about them. We need to consider that | |
1635 | we may have already seen this symbol and marked it undefined; | |
535c89f0 | 1636 | if the symbol is really undefined, then SUNOS_DEF_DYNAMIC |
e85e8bfe ILT |
1637 | will be zero. */ |
1638 | if (h->root.root.type != bfd_link_hash_defined | |
6c97aedf | 1639 | && h->root.root.type != bfd_link_hash_defweak |
e85e8bfe ILT |
1640 | && h->root.root.type != bfd_link_hash_undefined) |
1641 | continue; | |
1642 | ||
535c89f0 ILT |
1643 | if (r_type != RELOC_JMP_TBL |
1644 | && ((h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
1645 | || (h->flags & SUNOS_DEF_REGULAR) != 0)) | |
e85e8bfe ILT |
1646 | continue; |
1647 | ||
535c89f0 ILT |
1648 | if (strcmp (h->root.root.root.string, "__GLOBAL_OFFSET_TABLE_") == 0) |
1649 | continue; | |
1650 | ||
1651 | if (dynobj == NULL) | |
1652 | { | |
1653 | if (! sunos_create_dynamic_sections (abfd, info, true)) | |
1654 | return false; | |
1655 | dynobj = sunos_hash_table (info)->dynobj; | |
1656 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1657 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1658 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1659 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
1660 | } | |
1661 | ||
1662 | BFD_ASSERT (r_type == RELOC_JMP_TBL | |
1663 | || (h->flags & SUNOS_REF_REGULAR) != 0); | |
1664 | BFD_ASSERT (r_type == RELOC_JMP_TBL | |
1665 | || h->plt_offset != 0 | |
1666 | || ((h->root.root.type == bfd_link_hash_defined | |
1667 | || h->root.root.type == bfd_link_hash_defweak) | |
1668 | ? (h->root.root.u.def.section->owner->flags | |
1669 | & DYNAMIC) != 0 | |
1670 | : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0)); | |
e85e8bfe ILT |
1671 | |
1672 | /* This reloc is against a symbol defined only by a dynamic | |
535c89f0 | 1673 | object, or it is a jump table reloc from PIC compiled code. */ |
e85e8bfe ILT |
1674 | |
1675 | if (h->root.root.type == bfd_link_hash_undefined) | |
1676 | { | |
1677 | /* Presumably this symbol was marked as being undefined by | |
1678 | an earlier reloc. */ | |
1679 | srel->_raw_size += RELOC_EXT_SIZE; | |
1680 | } | |
1681 | else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0) | |
1682 | { | |
1683 | bfd *sub; | |
1684 | ||
1685 | /* This reloc is not in the .text section. It must be | |
1686 | copied into the dynamic relocs. We mark the symbol as | |
1687 | being undefined. */ | |
535c89f0 | 1688 | BFD_ASSERT (r_type != RELOC_JMP_TBL); |
e85e8bfe ILT |
1689 | srel->_raw_size += RELOC_EXT_SIZE; |
1690 | sub = h->root.root.u.def.section->owner; | |
1691 | h->root.root.type = bfd_link_hash_undefined; | |
1692 | h->root.root.u.undef.abfd = sub; | |
1693 | } | |
1694 | else | |
1695 | { | |
1696 | /* This symbol is in the .text section. We must give it an | |
1697 | entry in the procedure linkage table, if we have not | |
1698 | already done so. We change the definition of the symbol | |
1699 | to the .plt section; this will cause relocs against it to | |
1700 | be handled correctly. */ | |
535c89f0 | 1701 | if (h->plt_offset == 0) |
e85e8bfe ILT |
1702 | { |
1703 | if (splt->_raw_size == 0) | |
1704 | splt->_raw_size = SPARC_PLT_ENTRY_SIZE; | |
535c89f0 ILT |
1705 | h->plt_offset = splt->_raw_size; |
1706 | ||
1707 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
1708 | { | |
1709 | h->root.root.u.def.section = splt; | |
1710 | h->root.root.u.def.value = splt->_raw_size; | |
1711 | } | |
1712 | ||
e85e8bfe ILT |
1713 | splt->_raw_size += SPARC_PLT_ENTRY_SIZE; |
1714 | ||
535c89f0 ILT |
1715 | /* We will also need a dynamic reloc entry, unless this |
1716 | is a JMP_TBL reloc produced by linking PIC compiled | |
1717 | code, and we are not making a shared library. */ | |
1718 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) | |
1719 | srel->_raw_size += RELOC_EXT_SIZE; | |
e85e8bfe ILT |
1720 | } |
1721 | } | |
1722 | } | |
1723 | ||
1724 | return true; | |
1725 | } | |
1726 | ||
1727 | /* Build the hash table of dynamic symbols, and to mark as written all | |
1728 | symbols from dynamic objects which we do not plan to write out. */ | |
1729 | ||
1730 | static boolean | |
1731 | sunos_scan_dynamic_symbol (h, data) | |
1732 | struct sunos_link_hash_entry *h; | |
1733 | PTR data; | |
1734 | { | |
1735 | struct bfd_link_info *info = (struct bfd_link_info *) data; | |
1736 | ||
1737 | /* Set the written flag for symbols we do not want to write out as | |
1738 | part of the regular symbol table. This is all symbols which are | |
1739 | not defined in a regular object file. For some reason symbols | |
1740 | which are referenced by a regular object and defined by a dynamic | |
1741 | object do not seem to show up in the regular symbol table. */ | |
1742 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
4298e311 | 1743 | h->root.written = true; |
e85e8bfe ILT |
1744 | |
1745 | /* If this symbol is defined by a dynamic object and referenced by a | |
1746 | regular object, see whether we gave it a reasonable value while | |
1747 | scanning the relocs. */ | |
1748 | ||
1749 | if ((h->flags & SUNOS_DEF_REGULAR) == 0 | |
1750 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
1751 | && (h->flags & SUNOS_REF_REGULAR) != 0) | |
1752 | { | |
6c97aedf ILT |
1753 | if ((h->root.root.type == bfd_link_hash_defined |
1754 | || h->root.root.type == bfd_link_hash_defweak) | |
e85e8bfe ILT |
1755 | && ((h->root.root.u.def.section->owner->flags & DYNAMIC) != 0) |
1756 | && h->root.root.u.def.section->output_section == NULL) | |
1757 | { | |
1758 | bfd *sub; | |
1759 | ||
1760 | /* This symbol is currently defined in a dynamic section | |
1761 | which is not being put into the output file. This | |
1762 | implies that there is no reloc against the symbol. I'm | |
1763 | not sure why this case would ever occur. In any case, we | |
1764 | change the symbol to be undefined. */ | |
1765 | sub = h->root.root.u.def.section->owner; | |
1766 | h->root.root.type = bfd_link_hash_undefined; | |
1767 | h->root.root.u.undef.abfd = sub; | |
1768 | } | |
1769 | } | |
1770 | ||
1771 | /* If this symbol is defined or referenced by a regular file, add it | |
1772 | to the dynamic symbols. */ | |
1773 | if ((h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0) | |
1774 | { | |
1775 | asection *s; | |
1776 | size_t len; | |
1777 | bfd_byte *contents; | |
1778 | unsigned char *name; | |
1779 | unsigned long hash; | |
1780 | bfd *dynobj; | |
1781 | ||
1782 | BFD_ASSERT (h->dynindx == -2); | |
1783 | ||
535c89f0 ILT |
1784 | dynobj = sunos_hash_table (info)->dynobj; |
1785 | ||
e85e8bfe ILT |
1786 | h->dynindx = sunos_hash_table (info)->dynsymcount; |
1787 | ++sunos_hash_table (info)->dynsymcount; | |
1788 | ||
1789 | len = strlen (h->root.root.root.string); | |
1790 | ||
1791 | /* We don't bother to construct a BFD hash table for the strings | |
1792 | which are the names of the dynamic symbols. Using a hash | |
1793 | table for the regular symbols is beneficial, because the | |
1794 | regular symbols includes the debugging symbols, which have | |
1795 | long names and are often duplicated in several object files. | |
1796 | There are no debugging symbols in the dynamic symbols. */ | |
535c89f0 | 1797 | s = bfd_get_section_by_name (dynobj, ".dynstr"); |
e85e8bfe ILT |
1798 | BFD_ASSERT (s != NULL); |
1799 | if (s->contents == NULL) | |
a1ade84e | 1800 | contents = (bfd_byte *) malloc (len + 1); |
e85e8bfe | 1801 | else |
535c89f0 ILT |
1802 | contents = (bfd_byte *) realloc (s->contents, |
1803 | (size_t) (s->_raw_size + len + 1)); | |
e85e8bfe ILT |
1804 | if (contents == NULL) |
1805 | { | |
1806 | bfd_set_error (bfd_error_no_memory); | |
1807 | return false; | |
1808 | } | |
1809 | s->contents = contents; | |
1810 | ||
1811 | h->dynstr_index = s->_raw_size; | |
1812 | strcpy (contents + s->_raw_size, h->root.root.root.string); | |
1813 | s->_raw_size += len + 1; | |
1814 | ||
1815 | /* Add it to the dynamic hash table. */ | |
1816 | name = (unsigned char *) h->root.root.root.string; | |
1817 | hash = 0; | |
1818 | while (*name != '\0') | |
1819 | hash = (hash << 1) + *name++; | |
1820 | hash &= 0x7fffffff; | |
1821 | hash %= sunos_hash_table (info)->bucketcount; | |
1822 | ||
e85e8bfe ILT |
1823 | s = bfd_get_section_by_name (dynobj, ".hash"); |
1824 | BFD_ASSERT (s != NULL); | |
1825 | ||
1826 | if (GET_SWORD (dynobj, s->contents + hash * HASH_ENTRY_SIZE) == -1) | |
1827 | PUT_WORD (dynobj, h->dynindx, s->contents + hash * HASH_ENTRY_SIZE); | |
1828 | else | |
1829 | { | |
1830 | bfd_vma next; | |
1831 | ||
1832 | next = GET_WORD (dynobj, | |
1833 | (s->contents | |
1834 | + hash * HASH_ENTRY_SIZE | |
1835 | + BYTES_IN_WORD)); | |
1836 | PUT_WORD (dynobj, s->_raw_size / HASH_ENTRY_SIZE, | |
1837 | s->contents + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD); | |
1838 | PUT_WORD (dynobj, h->dynindx, s->contents + s->_raw_size); | |
1839 | PUT_WORD (dynobj, next, s->contents + s->_raw_size + BYTES_IN_WORD); | |
1840 | s->_raw_size += HASH_ENTRY_SIZE; | |
1841 | } | |
1842 | } | |
1843 | ||
1844 | return true; | |
1845 | } | |
1846 | ||
1847 | /* Link a dynamic object. We actually don't have anything to do at | |
1848 | this point. This entry point exists to prevent the regular linker | |
1849 | code from doing anything with the object. */ | |
1850 | ||
1851 | /*ARGSUSED*/ | |
1852 | static boolean | |
1853 | sunos_link_dynamic_object (info, abfd) | |
1854 | struct bfd_link_info *info; | |
1855 | bfd *abfd; | |
1856 | { | |
1857 | return true; | |
1858 | } | |
1859 | ||
e85e8bfe ILT |
1860 | /* Write out a dynamic symbol. This is called by the final traversal |
1861 | over the symbol table. */ | |
1862 | ||
1863 | static boolean | |
1864 | sunos_write_dynamic_symbol (output_bfd, info, harg) | |
1865 | bfd *output_bfd; | |
1866 | struct bfd_link_info *info; | |
1867 | struct aout_link_hash_entry *harg; | |
1868 | { | |
1869 | struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg; | |
e85e8bfe ILT |
1870 | int type; |
1871 | bfd_vma val; | |
1872 | asection *s; | |
1873 | struct external_nlist *outsym; | |
1874 | ||
1875 | if (h->dynindx < 0) | |
1876 | return true; | |
1877 | ||
e85e8bfe ILT |
1878 | switch (h->root.root.type) |
1879 | { | |
1880 | default: | |
1881 | case bfd_link_hash_new: | |
1882 | abort (); | |
1883 | /* Avoid variable not initialized warnings. */ | |
1884 | return true; | |
1885 | case bfd_link_hash_undefined: | |
1886 | type = N_UNDF | N_EXT; | |
1887 | val = 0; | |
1888 | break; | |
1889 | case bfd_link_hash_defined: | |
6c97aedf | 1890 | case bfd_link_hash_defweak: |
e85e8bfe ILT |
1891 | { |
1892 | asection *sec; | |
1893 | asection *output_section; | |
1894 | ||
1895 | sec = h->root.root.u.def.section; | |
1896 | output_section = sec->output_section; | |
788d9436 | 1897 | BFD_ASSERT (bfd_is_abs_section (output_section) |
e85e8bfe | 1898 | || output_section->owner == output_bfd); |
535c89f0 ILT |
1899 | if (h->plt_offset != 0 |
1900 | && (h->flags & SUNOS_DEF_REGULAR) == 0) | |
e85e8bfe | 1901 | { |
e85e8bfe ILT |
1902 | type = N_UNDF | N_EXT; |
1903 | val = 0; | |
1904 | } | |
1905 | else | |
1906 | { | |
1907 | if (output_section == obj_textsec (output_bfd)) | |
6c97aedf ILT |
1908 | type = (h->root.root.type == bfd_link_hash_defined |
1909 | ? N_TEXT | |
1910 | : N_WEAKT); | |
e85e8bfe | 1911 | else if (output_section == obj_datasec (output_bfd)) |
6c97aedf ILT |
1912 | type = (h->root.root.type == bfd_link_hash_defined |
1913 | ? N_DATA | |
1914 | : N_WEAKD); | |
e85e8bfe | 1915 | else if (output_section == obj_bsssec (output_bfd)) |
6c97aedf ILT |
1916 | type = (h->root.root.type == bfd_link_hash_defined |
1917 | ? N_BSS | |
1918 | : N_WEAKB); | |
e85e8bfe | 1919 | else |
6c97aedf ILT |
1920 | type = (h->root.root.type == bfd_link_hash_defined |
1921 | ? N_ABS | |
1922 | : N_WEAKA); | |
1923 | type |= N_EXT; | |
e85e8bfe ILT |
1924 | val = (h->root.root.u.def.value |
1925 | + output_section->vma | |
1926 | + sec->output_offset); | |
1927 | } | |
1928 | } | |
1929 | break; | |
1930 | case bfd_link_hash_common: | |
1931 | type = N_UNDF | N_EXT; | |
1932 | val = h->root.root.u.c.size; | |
1933 | break; | |
6c97aedf | 1934 | case bfd_link_hash_undefweak: |
4298e311 ILT |
1935 | type = N_WEAKU; |
1936 | val = 0; | |
1937 | break; | |
e85e8bfe ILT |
1938 | case bfd_link_hash_indirect: |
1939 | case bfd_link_hash_warning: | |
1940 | /* FIXME: Ignore these for now. The circumstances under which | |
1941 | they should be written out are not clear to me. */ | |
1942 | return true; | |
1943 | } | |
1944 | ||
1945 | s = bfd_get_section_by_name (sunos_hash_table (info)->dynobj, ".dynsym"); | |
1946 | BFD_ASSERT (s != NULL); | |
1947 | outsym = ((struct external_nlist *) | |
1948 | (s->contents + h->dynindx * EXTERNAL_NLIST_SIZE)); | |
1949 | ||
1950 | bfd_h_put_8 (output_bfd, type, outsym->e_type); | |
1951 | bfd_h_put_8 (output_bfd, 0, outsym->e_other); | |
1952 | ||
1953 | /* FIXME: The native linker doesn't use 0 for desc. It seems to use | |
1954 | one less than the desc value in the shared library, although that | |
1955 | seems unlikely. */ | |
1956 | bfd_h_put_16 (output_bfd, 0, outsym->e_desc); | |
1957 | ||
1958 | PUT_WORD (output_bfd, h->dynstr_index, outsym->e_strx); | |
1959 | PUT_WORD (output_bfd, val, outsym->e_value); | |
1960 | ||
1961 | /* If this symbol is in the procedure linkage table, fill in the | |
1962 | table entry. */ | |
535c89f0 | 1963 | if (h->plt_offset != 0) |
e85e8bfe | 1964 | { |
535c89f0 ILT |
1965 | bfd *dynobj; |
1966 | asection *splt; | |
e85e8bfe ILT |
1967 | bfd_byte *p; |
1968 | asection *s; | |
1969 | bfd_vma r_address; | |
1970 | ||
535c89f0 ILT |
1971 | dynobj = sunos_hash_table (info)->dynobj; |
1972 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1973 | p = splt->contents + h->plt_offset; | |
e85e8bfe | 1974 | |
535c89f0 | 1975 | s = bfd_get_section_by_name (dynobj, ".dynrel"); |
e85e8bfe | 1976 | |
cd779d01 ILT |
1977 | r_address = (h->root.root.u.def.section->output_section->vma |
1978 | + h->root.root.u.def.section->output_offset | |
1979 | + h->root.root.u.def.value); | |
1980 | ||
e85e8bfe ILT |
1981 | switch (bfd_get_arch (output_bfd)) |
1982 | { | |
1983 | case bfd_arch_sparc: | |
535c89f0 ILT |
1984 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) |
1985 | { | |
1986 | bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD0, p); | |
1987 | bfd_put_32 (output_bfd, | |
1988 | (SPARC_PLT_ENTRY_WORD1 | |
1989 | + (((- (h->plt_offset + 4) >> 2) | |
1990 | & 0x3fffffff))), | |
1991 | p + 4); | |
1992 | bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD2 + s->reloc_count, | |
1993 | p + 8); | |
1994 | } | |
1995 | else | |
1996 | { | |
1997 | bfd_vma val; | |
1998 | ||
1999 | val = (h->root.root.u.def.section->output_section->vma | |
2000 | + h->root.root.u.def.section->output_offset | |
2001 | + h->root.root.u.def.value); | |
2002 | bfd_put_32 (output_bfd, | |
2003 | SPARC_PLT_PIC_WORD0 + ((val >> 10) & 0x3fffff), | |
2004 | p); | |
2005 | bfd_put_32 (output_bfd, | |
2006 | SPARC_PLT_PIC_WORD1 + (val & 0x3ff), | |
2007 | p + 4); | |
2008 | bfd_put_32 (output_bfd, SPARC_PLT_PIC_WORD2, p + 8); | |
2009 | } | |
e85e8bfe ILT |
2010 | break; |
2011 | ||
2012 | case bfd_arch_m68k: | |
535c89f0 ILT |
2013 | if (! info->shared && (h->flags & SUNOS_DEF_REGULAR) != 0) |
2014 | abort (); | |
e85e8bfe | 2015 | bfd_put_16 (output_bfd, M68K_PLT_ENTRY_WORD0, p); |
535c89f0 | 2016 | bfd_put_32 (output_bfd, (- (h->plt_offset + 2)), p + 2); |
e85e8bfe | 2017 | bfd_put_16 (output_bfd, s->reloc_count, p + 6); |
cd779d01 | 2018 | r_address += 2; |
e85e8bfe ILT |
2019 | break; |
2020 | ||
2021 | default: | |
2022 | abort (); | |
2023 | } | |
2024 | ||
535c89f0 ILT |
2025 | /* We also need to add a jump table reloc, unless this is the |
2026 | result of a JMP_TBL reloc from PIC compiled code. */ | |
2027 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) | |
e85e8bfe | 2028 | { |
535c89f0 ILT |
2029 | p = s->contents + s->reloc_count * obj_reloc_entry_size (output_bfd); |
2030 | if (obj_reloc_entry_size (output_bfd) == RELOC_STD_SIZE) | |
e85e8bfe | 2031 | { |
535c89f0 ILT |
2032 | struct reloc_std_external *srel; |
2033 | ||
2034 | srel = (struct reloc_std_external *) p; | |
2035 | PUT_WORD (output_bfd, r_address, srel->r_address); | |
2036 | if (output_bfd->xvec->header_byteorder_big_p) | |
2037 | { | |
2038 | srel->r_index[0] = h->dynindx >> 16; | |
2039 | srel->r_index[1] = h->dynindx >> 8; | |
2040 | srel->r_index[2] = h->dynindx; | |
2041 | srel->r_type[0] = (RELOC_STD_BITS_EXTERN_BIG | |
2042 | | RELOC_STD_BITS_JMPTABLE_BIG); | |
2043 | } | |
2044 | else | |
2045 | { | |
2046 | srel->r_index[2] = h->dynindx >> 16; | |
2047 | srel->r_index[1] = h->dynindx >> 8; | |
2048 | srel->r_index[0] = h->dynindx; | |
2049 | srel->r_type[0] = (RELOC_STD_BITS_EXTERN_LITTLE | |
2050 | | RELOC_STD_BITS_JMPTABLE_LITTLE); | |
2051 | } | |
e85e8bfe ILT |
2052 | } |
2053 | else | |
2054 | { | |
535c89f0 ILT |
2055 | struct reloc_ext_external *erel; |
2056 | ||
2057 | erel = (struct reloc_ext_external *) p; | |
2058 | PUT_WORD (output_bfd, r_address, erel->r_address); | |
2059 | if (output_bfd->xvec->header_byteorder_big_p) | |
2060 | { | |
2061 | erel->r_index[0] = h->dynindx >> 16; | |
2062 | erel->r_index[1] = h->dynindx >> 8; | |
2063 | erel->r_index[2] = h->dynindx; | |
2064 | erel->r_type[0] = (RELOC_EXT_BITS_EXTERN_BIG | |
2065 | | (22 << RELOC_EXT_BITS_TYPE_SH_BIG)); | |
2066 | } | |
2067 | else | |
2068 | { | |
2069 | erel->r_index[2] = h->dynindx >> 16; | |
2070 | erel->r_index[1] = h->dynindx >> 8; | |
2071 | erel->r_index[0] = h->dynindx; | |
2072 | erel->r_type[0] = (RELOC_EXT_BITS_EXTERN_LITTLE | |
2073 | | (22 << RELOC_EXT_BITS_TYPE_SH_LITTLE)); | |
2074 | } | |
2075 | PUT_WORD (output_bfd, (bfd_vma) 0, erel->r_addend); | |
e85e8bfe | 2076 | } |
e85e8bfe | 2077 | |
535c89f0 | 2078 | ++s->reloc_count; |
e85e8bfe | 2079 | } |
e85e8bfe ILT |
2080 | } |
2081 | ||
2082 | return true; | |
2083 | } | |
2084 | ||
2085 | /* This is called for each reloc against an external symbol. If this | |
2086 | is a reloc which are are going to copy as a dynamic reloc, then | |
2087 | copy it over, and tell the caller to not bother processing this | |
2088 | reloc. */ | |
2089 | ||
2090 | /*ARGSUSED*/ | |
2091 | static boolean | |
535c89f0 ILT |
2092 | sunos_check_dynamic_reloc (info, input_bfd, input_section, harg, reloc, |
2093 | contents, skip, relocationp) | |
e85e8bfe ILT |
2094 | struct bfd_link_info *info; |
2095 | bfd *input_bfd; | |
2096 | asection *input_section; | |
2097 | struct aout_link_hash_entry *harg; | |
2098 | PTR reloc; | |
535c89f0 | 2099 | bfd_byte *contents; |
e85e8bfe | 2100 | boolean *skip; |
535c89f0 | 2101 | bfd_vma *relocationp; |
e85e8bfe ILT |
2102 | { |
2103 | struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg; | |
2104 | bfd *dynobj; | |
535c89f0 ILT |
2105 | boolean baserel; |
2106 | asection *s; | |
e85e8bfe ILT |
2107 | bfd_byte *p; |
2108 | ||
2109 | *skip = false; | |
2110 | ||
2111 | dynobj = sunos_hash_table (info)->dynobj; | |
2112 | ||
535c89f0 ILT |
2113 | if (h != NULL && h->plt_offset != 0) |
2114 | { | |
2115 | asection *splt; | |
2116 | ||
2117 | /* Redirect the relocation to the PLT entry. */ | |
2118 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
2119 | *relocationp = (splt->output_section->vma | |
2120 | + splt->output_offset | |
2121 | + h->plt_offset); | |
2122 | } | |
2123 | ||
2124 | if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE) | |
2125 | { | |
2126 | struct reloc_std_external *srel; | |
2127 | ||
2128 | srel = (struct reloc_std_external *) reloc; | |
2129 | if (input_bfd->xvec->header_byteorder_big_p) | |
2130 | baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_BIG)); | |
2131 | else | |
2132 | baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_LITTLE)); | |
2133 | } | |
2134 | else | |
2135 | { | |
2136 | struct reloc_ext_external *erel; | |
2137 | int r_type; | |
2138 | ||
2139 | erel = (struct reloc_ext_external *) reloc; | |
2140 | if (input_bfd->xvec->header_byteorder_big_p) | |
2141 | r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG) | |
2142 | >> RELOC_EXT_BITS_TYPE_SH_BIG); | |
2143 | else | |
2144 | r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE) | |
2145 | >> RELOC_EXT_BITS_TYPE_SH_LITTLE); | |
2146 | baserel = (r_type == RELOC_BASE10 | |
2147 | || r_type == RELOC_BASE13 | |
2148 | || r_type == RELOC_BASE22); | |
2149 | } | |
2150 | ||
2151 | if (baserel) | |
2152 | { | |
2153 | bfd_vma *got_offsetp; | |
2154 | asection *sgot; | |
2155 | ||
2156 | if (h != NULL) | |
2157 | got_offsetp = &h->got_offset; | |
2158 | else if (adata (input_bfd).local_got_offsets == NULL) | |
2159 | got_offsetp = NULL; | |
2160 | else | |
2161 | { | |
2162 | struct reloc_std_external *srel; | |
2163 | int r_index; | |
2164 | ||
2165 | srel = (struct reloc_std_external *) reloc; | |
2166 | if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE) | |
2167 | { | |
2168 | if (input_bfd->xvec->header_byteorder_big_p) | |
2169 | r_index = ((srel->r_index[0] << 16) | |
2170 | | (srel->r_index[1] << 8) | |
2171 | | srel->r_index[2]); | |
2172 | else | |
2173 | r_index = ((srel->r_index[2] << 16) | |
2174 | | (srel->r_index[1] << 8) | |
2175 | | srel->r_index[0]); | |
2176 | } | |
2177 | else | |
2178 | { | |
2179 | struct reloc_ext_external *erel; | |
2180 | ||
2181 | erel = (struct reloc_ext_external *) reloc; | |
2182 | if (input_bfd->xvec->header_byteorder_big_p) | |
2183 | r_index = ((erel->r_index[0] << 16) | |
2184 | | (erel->r_index[1] << 8) | |
2185 | | erel->r_index[2]); | |
2186 | else | |
2187 | r_index = ((erel->r_index[2] << 16) | |
2188 | | (erel->r_index[1] << 8) | |
2189 | | erel->r_index[0]); | |
2190 | } | |
2191 | ||
2192 | got_offsetp = adata (input_bfd).local_got_offsets + r_index; | |
2193 | } | |
2194 | ||
2195 | BFD_ASSERT (got_offsetp != NULL && *got_offsetp != 0); | |
2196 | ||
2197 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2198 | ||
2199 | /* We set the least significant bit to indicate whether we have | |
2200 | already initialized the GOT entry. */ | |
2201 | if ((*got_offsetp & 1) == 0) | |
2202 | { | |
2203 | PUT_WORD (dynobj, *relocationp, sgot->contents + *got_offsetp); | |
2204 | ||
2205 | if (h != NULL | |
2206 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
2207 | && (h->flags & SUNOS_DEF_REGULAR) == 0) | |
2208 | { | |
2209 | /* We need to create a GLOB_DAT reloc to tell the | |
2210 | dynamic linker to fill in this entry in the table. */ | |
2211 | ||
2212 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2213 | BFD_ASSERT (s != NULL); | |
2214 | ||
2215 | p = (s->contents | |
2216 | + s->reloc_count * obj_reloc_entry_size (dynobj)); | |
2217 | ||
2218 | if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE) | |
2219 | { | |
2220 | struct reloc_std_external *srel; | |
2221 | ||
2222 | srel = (struct reloc_std_external *) p; | |
2223 | PUT_WORD (dynobj, | |
2224 | (*got_offsetp | |
2225 | + sgot->output_section->vma | |
2226 | + sgot->output_offset), | |
2227 | srel->r_address); | |
2228 | if (dynobj->xvec->header_byteorder_big_p) | |
2229 | { | |
2230 | srel->r_index[0] = h->dynindx >> 16; | |
2231 | srel->r_index[1] = h->dynindx >> 8; | |
2232 | srel->r_index[2] = h->dynindx; | |
2233 | srel->r_type[0] = | |
2234 | (RELOC_STD_BITS_EXTERN_BIG | |
2235 | | RELOC_STD_BITS_BASEREL_BIG | |
2236 | | RELOC_STD_BITS_RELATIVE_BIG | |
2237 | | (2 << RELOC_STD_BITS_LENGTH_SH_BIG)); | |
2238 | } | |
2239 | else | |
2240 | { | |
2241 | srel->r_index[2] = h->dynindx >> 16; | |
2242 | srel->r_index[1] = h->dynindx >> 8; | |
2243 | srel->r_index[0] = h->dynindx; | |
2244 | srel->r_type[0] = | |
2245 | (RELOC_STD_BITS_EXTERN_LITTLE | |
2246 | | RELOC_STD_BITS_BASEREL_LITTLE | |
2247 | | RELOC_STD_BITS_RELATIVE_LITTLE | |
2248 | | (2 << RELOC_STD_BITS_LENGTH_SH_LITTLE)); | |
2249 | } | |
2250 | } | |
2251 | else | |
2252 | { | |
2253 | struct reloc_ext_external *erel; | |
2254 | ||
2255 | erel = (struct reloc_ext_external *) p; | |
2256 | PUT_WORD (dynobj, | |
2257 | (*got_offsetp | |
2258 | + sgot->output_section->vma | |
2259 | + sgot->output_offset), | |
2260 | erel->r_address); | |
2261 | if (dynobj->xvec->header_byteorder_big_p) | |
2262 | { | |
2263 | erel->r_index[0] = h->dynindx >> 16; | |
2264 | erel->r_index[1] = h->dynindx >> 8; | |
2265 | erel->r_index[2] = h->dynindx; | |
2266 | erel->r_type[0] = | |
2267 | (RELOC_EXT_BITS_EXTERN_BIG | |
2268 | | (RELOC_GLOB_DAT << RELOC_EXT_BITS_TYPE_SH_BIG)); | |
2269 | } | |
2270 | else | |
2271 | { | |
2272 | erel->r_index[2] = h->dynindx >> 16; | |
2273 | erel->r_index[1] = h->dynindx >> 8; | |
2274 | erel->r_index[0] = h->dynindx; | |
2275 | erel->r_type[0] = | |
2276 | (RELOC_EXT_BITS_EXTERN_LITTLE | |
2277 | | (RELOC_GLOB_DAT << RELOC_EXT_BITS_TYPE_SH_LITTLE)); | |
2278 | } | |
2279 | PUT_WORD (dynobj, 0, erel->r_addend); | |
2280 | } | |
2281 | ||
2282 | ++s->reloc_count; | |
2283 | } | |
2284 | ||
2285 | *got_offsetp |= 1; | |
2286 | } | |
2287 | ||
2288 | *relocationp = sgot->vma + (*got_offsetp &~ 1); | |
2289 | ||
2290 | /* There is nothing else to do for a base relative reloc. */ | |
2291 | return true; | |
2292 | } | |
2293 | ||
2294 | if (! sunos_hash_table (info)->dynamic_sections_needed | |
2295 | || h == NULL | |
e85e8bfe ILT |
2296 | || h->dynindx == -1 |
2297 | || h->root.root.type != bfd_link_hash_undefined | |
2298 | || (h->flags & SUNOS_DEF_REGULAR) != 0 | |
2299 | || (h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
2300 | || (h->root.root.u.undef.abfd->flags & DYNAMIC) == 0) | |
2301 | return true; | |
2302 | ||
535c89f0 | 2303 | /* It looks like this is a reloc we are supposed to copy. */ |
e85e8bfe | 2304 | |
535c89f0 ILT |
2305 | s = bfd_get_section_by_name (dynobj, ".dynrel"); |
2306 | BFD_ASSERT (s != NULL); | |
e85e8bfe | 2307 | |
535c89f0 | 2308 | p = s->contents + s->reloc_count * obj_reloc_entry_size (dynobj); |
e85e8bfe ILT |
2309 | |
2310 | /* Copy the reloc over. */ | |
2311 | memcpy (p, reloc, obj_reloc_entry_size (dynobj)); | |
2312 | ||
2313 | /* Adjust the address and symbol index. */ | |
2314 | if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE) | |
2315 | { | |
2316 | struct reloc_std_external *srel; | |
2317 | ||
2318 | srel = (struct reloc_std_external *) p; | |
2319 | PUT_WORD (dynobj, | |
2320 | (GET_WORD (dynobj, srel->r_address) | |
2321 | + input_section->output_section->vma | |
2322 | + input_section->output_offset), | |
2323 | srel->r_address); | |
2324 | if (dynobj->xvec->header_byteorder_big_p) | |
2325 | { | |
2326 | srel->r_index[0] = h->dynindx >> 16; | |
2327 | srel->r_index[1] = h->dynindx >> 8; | |
2328 | srel->r_index[2] = h->dynindx; | |
2329 | } | |
2330 | else | |
2331 | { | |
2332 | srel->r_index[2] = h->dynindx >> 16; | |
2333 | srel->r_index[1] = h->dynindx >> 8; | |
2334 | srel->r_index[0] = h->dynindx; | |
2335 | } | |
2336 | } | |
2337 | else | |
2338 | { | |
2339 | struct reloc_ext_external *erel; | |
2340 | ||
2341 | erel = (struct reloc_ext_external *) p; | |
2342 | PUT_WORD (dynobj, | |
2343 | (GET_WORD (dynobj, erel->r_address) | |
2344 | + input_section->output_section->vma | |
2345 | + input_section->output_offset), | |
2346 | erel->r_address); | |
2347 | if (dynobj->xvec->header_byteorder_big_p) | |
2348 | { | |
2349 | erel->r_index[0] = h->dynindx >> 16; | |
2350 | erel->r_index[1] = h->dynindx >> 8; | |
2351 | erel->r_index[2] = h->dynindx; | |
2352 | } | |
2353 | else | |
2354 | { | |
2355 | erel->r_index[2] = h->dynindx >> 16; | |
2356 | erel->r_index[1] = h->dynindx >> 8; | |
2357 | erel->r_index[0] = h->dynindx; | |
2358 | } | |
2359 | } | |
2360 | ||
535c89f0 | 2361 | ++s->reloc_count; |
e85e8bfe ILT |
2362 | |
2363 | *skip = true; | |
2364 | ||
2365 | return true; | |
2366 | } | |
2367 | ||
2368 | /* Finish up the dynamic linking information. */ | |
2369 | ||
2370 | static boolean | |
2371 | sunos_finish_dynamic_link (abfd, info) | |
2372 | bfd *abfd; | |
2373 | struct bfd_link_info *info; | |
2374 | { | |
2375 | bfd *dynobj; | |
2376 | asection *o; | |
2377 | asection *s; | |
2378 | asection *sdyn; | |
2379 | struct external_sun4_dynamic esd; | |
2380 | struct external_sun4_dynamic_link esdl; | |
2381 | ||
535c89f0 | 2382 | if (! sunos_hash_table (info)->dynamic_sections_needed) |
e85e8bfe ILT |
2383 | return true; |
2384 | ||
535c89f0 ILT |
2385 | dynobj = sunos_hash_table (info)->dynobj; |
2386 | ||
e85e8bfe ILT |
2387 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); |
2388 | BFD_ASSERT (sdyn != NULL); | |
2389 | ||
2390 | /* Finish up the .need section. The linker emulation code filled it | |
2391 | in, but with offsets from the start of the section instead of | |
2392 | real addresses. Now that we know the section location, we can | |
2393 | fill in the final values. */ | |
2394 | s = bfd_get_section_by_name (dynobj, ".need"); | |
535c89f0 | 2395 | if (s != NULL && s->_raw_size != 0) |
e85e8bfe ILT |
2396 | { |
2397 | file_ptr filepos; | |
2398 | bfd_byte *p; | |
2399 | ||
2400 | filepos = s->output_section->filepos + s->output_offset; | |
2401 | p = s->contents; | |
2402 | while (1) | |
2403 | { | |
2404 | bfd_vma val; | |
2405 | ||
2406 | PUT_WORD (dynobj, GET_WORD (dynobj, p) + filepos, p); | |
2407 | val = GET_WORD (dynobj, p + 12); | |
2408 | if (val == 0) | |
2409 | break; | |
2410 | PUT_WORD (dynobj, val + filepos, p + 12); | |
2411 | p += 16; | |
2412 | } | |
2413 | } | |
2414 | ||
2415 | /* The first entry in the .got section is the address of the dynamic | |
2416 | information. */ | |
2417 | s = bfd_get_section_by_name (dynobj, ".got"); | |
2418 | BFD_ASSERT (s != NULL); | |
2419 | PUT_WORD (dynobj, sdyn->output_section->vma + sdyn->output_offset, | |
2420 | s->contents); | |
2421 | ||
2422 | for (o = dynobj->sections; o != NULL; o = o->next) | |
2423 | { | |
2424 | if ((o->flags & SEC_HAS_CONTENTS) != 0 | |
2425 | && o->contents != NULL) | |
2426 | { | |
2427 | BFD_ASSERT (o->output_section != NULL | |
2428 | && o->output_section->owner == abfd); | |
2429 | if (! bfd_set_section_contents (abfd, o->output_section, | |
2430 | o->contents, o->output_offset, | |
2431 | o->_raw_size)) | |
2432 | return false; | |
2433 | } | |
2434 | } | |
2435 | ||
2436 | /* Finish up the dynamic link information. */ | |
2437 | PUT_WORD (dynobj, (bfd_vma) 3, esd.ld_version); | |
2438 | PUT_WORD (dynobj, | |
2439 | sdyn->output_section->vma + sdyn->output_offset + sizeof esd, | |
2440 | esd.ldd); | |
2441 | PUT_WORD (dynobj, | |
2442 | (sdyn->output_section->vma | |
2443 | + sdyn->output_offset | |
2444 | + sizeof esd | |
2445 | + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE), | |
2446 | esd.ld); | |
2447 | ||
2448 | if (! bfd_set_section_contents (abfd, sdyn->output_section, &esd, | |
2449 | sdyn->output_offset, sizeof esd)) | |
2450 | return false; | |
2451 | ||
2452 | ||
2453 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_loaded); | |
2454 | ||
2455 | s = bfd_get_section_by_name (dynobj, ".need"); | |
535c89f0 | 2456 | if (s == NULL || s->_raw_size == 0) |
e85e8bfe ILT |
2457 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_need); |
2458 | else | |
2459 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2460 | esdl.ld_need); | |
2461 | ||
2462 | s = bfd_get_section_by_name (dynobj, ".rules"); | |
535c89f0 | 2463 | if (s == NULL || s->_raw_size == 0) |
e85e8bfe ILT |
2464 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_rules); |
2465 | else | |
2466 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2467 | esdl.ld_rules); | |
2468 | ||
2469 | s = bfd_get_section_by_name (dynobj, ".got"); | |
2470 | BFD_ASSERT (s != NULL); | |
2471 | PUT_WORD (dynobj, s->output_section->vma + s->output_offset, esdl.ld_got); | |
2472 | ||
2473 | s = bfd_get_section_by_name (dynobj, ".plt"); | |
2474 | BFD_ASSERT (s != NULL); | |
2475 | PUT_WORD (dynobj, s->output_section->vma + s->output_offset, esdl.ld_plt); | |
2476 | PUT_WORD (dynobj, s->_raw_size, esdl.ld_plt_sz); | |
2477 | ||
2478 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2479 | BFD_ASSERT (s != NULL); | |
2480 | BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) == s->_raw_size); | |
2481 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2482 | esdl.ld_rel); | |
2483 | ||
2484 | s = bfd_get_section_by_name (dynobj, ".hash"); | |
2485 | BFD_ASSERT (s != NULL); | |
2486 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2487 | esdl.ld_hash); | |
2488 | ||
2489 | s = bfd_get_section_by_name (dynobj, ".dynsym"); | |
2490 | BFD_ASSERT (s != NULL); | |
2491 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2492 | esdl.ld_stab); | |
2493 | ||
2494 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_stab_hash); | |
2495 | ||
2496 | PUT_WORD (dynobj, (bfd_vma) sunos_hash_table (info)->bucketcount, | |
2497 | esdl.ld_buckets); | |
2498 | ||
2499 | s = bfd_get_section_by_name (dynobj, ".dynstr"); | |
2500 | BFD_ASSERT (s != NULL); | |
2501 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2502 | esdl.ld_symbols); | |
2503 | PUT_WORD (dynobj, s->_raw_size, esdl.ld_symb_size); | |
2504 | ||
2505 | /* The size of the text area is the size of the .text section | |
2506 | rounded up to a page boundary. FIXME: Should the page size be | |
2507 | conditional on something? */ | |
2508 | PUT_WORD (dynobj, | |
2509 | BFD_ALIGN (obj_textsec (abfd)->_raw_size, 0x2000), | |
2510 | esdl.ld_text); | |
2511 | ||
2512 | if (! bfd_set_section_contents (abfd, sdyn->output_section, &esdl, | |
2513 | (sdyn->output_offset | |
2514 | + sizeof esd | |
2515 | + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE), | |
2516 | sizeof esdl)) | |
2517 | return false; | |
2518 | ||
2519 | abfd->flags |= DYNAMIC; | |
2520 | ||
2521 | return true; | |
2522 | } |