Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* BFD backend for SunOS binaries. |
9e7b37b3 | 2 | Copyright 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 2000, 2001, |
eea6121a | 3 | 2002, 2003, 2004 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #define TARGETNAME "a.out-sunos-big" | |
e43d48cc AM |
23 | |
24 | /* Do not "beautify" the CONCAT* macro args. Traditional C will not | |
25 | remove whitespace added here, and thus will fail to concatenate | |
26 | the tokens. */ | |
27 | #define MY(OP) CONCAT2 (sunos_big_,OP) | |
252b5132 RH |
28 | |
29 | #include "bfd.h" | |
30 | #include "bfdlink.h" | |
31 | #include "libaout.h" | |
32 | ||
33 | /* Static routines defined in this file. */ | |
34 | ||
b34976b6 | 35 | static bfd_boolean sunos_read_dynamic_info PARAMS ((bfd *)); |
252b5132 | 36 | static long sunos_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); |
b34976b6 | 37 | static bfd_boolean sunos_slurp_dynamic_symtab PARAMS ((bfd *)); |
252b5132 RH |
38 | static long sunos_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **)); |
39 | static long sunos_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); | |
40 | static long sunos_canonicalize_dynamic_reloc | |
41 | PARAMS ((bfd *, arelent **, asymbol **)); | |
42 | static struct bfd_hash_entry *sunos_link_hash_newfunc | |
43 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
44 | static struct bfd_link_hash_table *sunos_link_hash_table_create | |
45 | PARAMS ((bfd *)); | |
b34976b6 AM |
46 | static bfd_boolean sunos_create_dynamic_sections |
47 | PARAMS ((bfd *, struct bfd_link_info *, bfd_boolean)); | |
48 | static bfd_boolean sunos_add_dynamic_symbols | |
252b5132 RH |
49 | PARAMS ((bfd *, struct bfd_link_info *, struct external_nlist **, |
50 | bfd_size_type *, char **)); | |
b34976b6 | 51 | static bfd_boolean sunos_add_one_symbol |
252b5132 | 52 | PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *, |
b34976b6 | 53 | bfd_vma, const char *, bfd_boolean, bfd_boolean, |
252b5132 | 54 | struct bfd_link_hash_entry **)); |
b34976b6 | 55 | static bfd_boolean sunos_scan_relocs |
252b5132 | 56 | PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_size_type)); |
b34976b6 | 57 | static bfd_boolean sunos_scan_std_relocs |
252b5132 RH |
58 | PARAMS ((struct bfd_link_info *, bfd *, asection *, |
59 | const struct reloc_std_external *, bfd_size_type)); | |
b34976b6 | 60 | static bfd_boolean sunos_scan_ext_relocs |
252b5132 RH |
61 | PARAMS ((struct bfd_link_info *, bfd *, asection *, |
62 | const struct reloc_ext_external *, bfd_size_type)); | |
b34976b6 | 63 | static bfd_boolean sunos_link_dynamic_object |
252b5132 | 64 | PARAMS ((struct bfd_link_info *, bfd *)); |
b34976b6 | 65 | static bfd_boolean sunos_write_dynamic_symbol |
252b5132 | 66 | PARAMS ((bfd *, struct bfd_link_info *, struct aout_link_hash_entry *)); |
b34976b6 | 67 | static bfd_boolean sunos_check_dynamic_reloc |
252b5132 | 68 | PARAMS ((struct bfd_link_info *, bfd *, asection *, |
b34976b6 | 69 | struct aout_link_hash_entry *, PTR, bfd_byte *, bfd_boolean *, |
252b5132 | 70 | bfd_vma *)); |
b34976b6 | 71 | static bfd_boolean sunos_finish_dynamic_link |
252b5132 RH |
72 | PARAMS ((bfd *, struct bfd_link_info *)); |
73 | ||
74 | #define MY_get_dynamic_symtab_upper_bound sunos_get_dynamic_symtab_upper_bound | |
75 | #define MY_canonicalize_dynamic_symtab sunos_canonicalize_dynamic_symtab | |
4c45e5c9 | 76 | #define MY_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab |
252b5132 RH |
77 | #define MY_get_dynamic_reloc_upper_bound sunos_get_dynamic_reloc_upper_bound |
78 | #define MY_canonicalize_dynamic_reloc sunos_canonicalize_dynamic_reloc | |
79 | #define MY_bfd_link_hash_table_create sunos_link_hash_table_create | |
80 | #define MY_add_dynamic_symbols sunos_add_dynamic_symbols | |
81 | #define MY_add_one_symbol sunos_add_one_symbol | |
82 | #define MY_link_dynamic_object sunos_link_dynamic_object | |
83 | #define MY_write_dynamic_symbol sunos_write_dynamic_symbol | |
84 | #define MY_check_dynamic_reloc sunos_check_dynamic_reloc | |
85 | #define MY_finish_dynamic_link sunos_finish_dynamic_link | |
86 | ||
87 | /* ??? Where should this go? */ | |
88 | #define MACHTYPE_OK(mtype) \ | |
89 | (((mtype) == M_SPARC && bfd_lookup_arch (bfd_arch_sparc, 0) != NULL) \ | |
90 | || ((mtype) == M_SPARCLET \ | |
91 | && bfd_lookup_arch (bfd_arch_sparc, bfd_mach_sparc_sparclet) != NULL) \ | |
92 | || ((mtype) == M_SPARCLITE_LE \ | |
93 | && bfd_lookup_arch (bfd_arch_sparc, bfd_mach_sparc_sparclet) != NULL) \ | |
94 | || (((mtype) == M_UNKNOWN || (mtype) == M_68010 || (mtype) == M_68020) \ | |
95 | && bfd_lookup_arch (bfd_arch_m68k, 0) != NULL)) | |
96 | ||
97 | /* Include the usual a.out support. */ | |
98 | #include "aoutf1.h" | |
99 | ||
100 | /* The SunOS 4.1.4 /usr/include/locale.h defines valid as a macro. */ | |
101 | #undef valid | |
102 | ||
103 | /* SunOS shared library support. We store a pointer to this structure | |
104 | in obj_aout_dynamic_info (abfd). */ | |
105 | ||
106 | struct sunos_dynamic_info | |
107 | { | |
108 | /* Whether we found any dynamic information. */ | |
b34976b6 | 109 | bfd_boolean valid; |
252b5132 RH |
110 | /* Dynamic information. */ |
111 | struct internal_sun4_dynamic_link dyninfo; | |
112 | /* Number of dynamic symbols. */ | |
113 | unsigned long dynsym_count; | |
114 | /* Read in nlists for dynamic symbols. */ | |
115 | struct external_nlist *dynsym; | |
116 | /* asymbol structures for dynamic symbols. */ | |
117 | aout_symbol_type *canonical_dynsym; | |
118 | /* Read in dynamic string table. */ | |
119 | char *dynstr; | |
120 | /* Number of dynamic relocs. */ | |
121 | unsigned long dynrel_count; | |
122 | /* Read in dynamic relocs. This may be reloc_std_external or | |
123 | reloc_ext_external. */ | |
124 | PTR dynrel; | |
125 | /* arelent structures for dynamic relocs. */ | |
126 | arelent *canonical_dynrel; | |
127 | }; | |
128 | ||
129 | /* The hash table of dynamic symbols is composed of two word entries. | |
130 | See include/aout/sun4.h for details. */ | |
131 | ||
132 | #define HASH_ENTRY_SIZE (2 * BYTES_IN_WORD) | |
133 | ||
134 | /* Read in the basic dynamic information. This locates the __DYNAMIC | |
135 | structure and uses it to find the dynamic_link structure. It | |
136 | creates and saves a sunos_dynamic_info structure. If it can't find | |
137 | __DYNAMIC, it sets the valid field of the sunos_dynamic_info | |
b34976b6 | 138 | structure to FALSE to avoid doing this work again. */ |
252b5132 | 139 | |
b34976b6 | 140 | static bfd_boolean |
252b5132 RH |
141 | sunos_read_dynamic_info (abfd) |
142 | bfd *abfd; | |
143 | { | |
144 | struct sunos_dynamic_info *info; | |
145 | asection *dynsec; | |
146 | bfd_vma dynoff; | |
147 | struct external_sun4_dynamic dyninfo; | |
148 | unsigned long dynver; | |
149 | struct external_sun4_dynamic_link linkinfo; | |
dc810e39 | 150 | bfd_size_type amt; |
252b5132 RH |
151 | |
152 | if (obj_aout_dynamic_info (abfd) != (PTR) NULL) | |
b34976b6 | 153 | return TRUE; |
252b5132 RH |
154 | |
155 | if ((abfd->flags & DYNAMIC) == 0) | |
156 | { | |
157 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 158 | return FALSE; |
252b5132 RH |
159 | } |
160 | ||
dc810e39 AM |
161 | amt = sizeof (struct sunos_dynamic_info); |
162 | info = (struct sunos_dynamic_info *) bfd_zalloc (abfd, amt); | |
252b5132 | 163 | if (!info) |
b34976b6 AM |
164 | return FALSE; |
165 | info->valid = FALSE; | |
252b5132 RH |
166 | info->dynsym = NULL; |
167 | info->dynstr = NULL; | |
168 | info->canonical_dynsym = NULL; | |
169 | info->dynrel = NULL; | |
170 | info->canonical_dynrel = NULL; | |
171 | obj_aout_dynamic_info (abfd) = (PTR) info; | |
172 | ||
173 | /* This code used to look for the __DYNAMIC symbol to locate the dynamic | |
174 | linking information. | |
175 | However this inhibits recovering the dynamic symbols from a | |
176 | stripped object file, so blindly assume that the dynamic linking | |
177 | information is located at the start of the data section. | |
178 | We could verify this assumption later by looking through the dynamic | |
179 | symbols for the __DYNAMIC symbol. */ | |
180 | if ((abfd->flags & DYNAMIC) == 0) | |
b34976b6 | 181 | return TRUE; |
252b5132 | 182 | if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (PTR) &dyninfo, |
dc810e39 AM |
183 | (file_ptr) 0, |
184 | (bfd_size_type) sizeof dyninfo)) | |
b34976b6 | 185 | return TRUE; |
252b5132 RH |
186 | |
187 | dynver = GET_WORD (abfd, dyninfo.ld_version); | |
188 | if (dynver != 2 && dynver != 3) | |
b34976b6 | 189 | return TRUE; |
252b5132 RH |
190 | |
191 | dynoff = GET_WORD (abfd, dyninfo.ld); | |
192 | ||
193 | /* dynoff is a virtual address. It is probably always in the .data | |
194 | section, but this code should work even if it moves. */ | |
195 | if (dynoff < bfd_get_section_vma (abfd, obj_datasec (abfd))) | |
196 | dynsec = obj_textsec (abfd); | |
197 | else | |
198 | dynsec = obj_datasec (abfd); | |
199 | dynoff -= bfd_get_section_vma (abfd, dynsec); | |
eea6121a | 200 | if (dynoff > dynsec->size) |
b34976b6 | 201 | return TRUE; |
252b5132 RH |
202 | |
203 | /* This executable appears to be dynamically linked in a way that we | |
204 | can understand. */ | |
dc810e39 AM |
205 | if (! bfd_get_section_contents (abfd, dynsec, (PTR) &linkinfo, |
206 | (file_ptr) dynoff, | |
252b5132 | 207 | (bfd_size_type) sizeof linkinfo)) |
b34976b6 | 208 | return TRUE; |
252b5132 RH |
209 | |
210 | /* Swap in the dynamic link information. */ | |
211 | info->dyninfo.ld_loaded = GET_WORD (abfd, linkinfo.ld_loaded); | |
212 | info->dyninfo.ld_need = GET_WORD (abfd, linkinfo.ld_need); | |
213 | info->dyninfo.ld_rules = GET_WORD (abfd, linkinfo.ld_rules); | |
214 | info->dyninfo.ld_got = GET_WORD (abfd, linkinfo.ld_got); | |
215 | info->dyninfo.ld_plt = GET_WORD (abfd, linkinfo.ld_plt); | |
216 | info->dyninfo.ld_rel = GET_WORD (abfd, linkinfo.ld_rel); | |
217 | info->dyninfo.ld_hash = GET_WORD (abfd, linkinfo.ld_hash); | |
218 | info->dyninfo.ld_stab = GET_WORD (abfd, linkinfo.ld_stab); | |
219 | info->dyninfo.ld_stab_hash = GET_WORD (abfd, linkinfo.ld_stab_hash); | |
220 | info->dyninfo.ld_buckets = GET_WORD (abfd, linkinfo.ld_buckets); | |
221 | info->dyninfo.ld_symbols = GET_WORD (abfd, linkinfo.ld_symbols); | |
222 | info->dyninfo.ld_symb_size = GET_WORD (abfd, linkinfo.ld_symb_size); | |
223 | info->dyninfo.ld_text = GET_WORD (abfd, linkinfo.ld_text); | |
224 | info->dyninfo.ld_plt_sz = GET_WORD (abfd, linkinfo.ld_plt_sz); | |
225 | ||
226 | /* Reportedly the addresses need to be offset by the size of the | |
227 | exec header in an NMAGIC file. */ | |
228 | if (adata (abfd).magic == n_magic) | |
229 | { | |
230 | unsigned long exec_bytes_size = adata (abfd).exec_bytes_size; | |
231 | ||
232 | info->dyninfo.ld_need += exec_bytes_size; | |
233 | info->dyninfo.ld_rules += exec_bytes_size; | |
234 | info->dyninfo.ld_rel += exec_bytes_size; | |
235 | info->dyninfo.ld_hash += exec_bytes_size; | |
236 | info->dyninfo.ld_stab += exec_bytes_size; | |
237 | info->dyninfo.ld_symbols += exec_bytes_size; | |
238 | } | |
239 | ||
240 | /* The only way to get the size of the symbol information appears to | |
241 | be to determine the distance between it and the string table. */ | |
242 | info->dynsym_count = ((info->dyninfo.ld_symbols - info->dyninfo.ld_stab) | |
243 | / EXTERNAL_NLIST_SIZE); | |
244 | BFD_ASSERT (info->dynsym_count * EXTERNAL_NLIST_SIZE | |
245 | == (unsigned long) (info->dyninfo.ld_symbols | |
246 | - info->dyninfo.ld_stab)); | |
247 | ||
248 | /* Similarly, the relocs end at the hash table. */ | |
249 | info->dynrel_count = ((info->dyninfo.ld_hash - info->dyninfo.ld_rel) | |
250 | / obj_reloc_entry_size (abfd)); | |
251 | BFD_ASSERT (info->dynrel_count * obj_reloc_entry_size (abfd) | |
252 | == (unsigned long) (info->dyninfo.ld_hash | |
253 | - info->dyninfo.ld_rel)); | |
254 | ||
b34976b6 | 255 | info->valid = TRUE; |
252b5132 | 256 | |
b34976b6 | 257 | return TRUE; |
252b5132 RH |
258 | } |
259 | ||
260 | /* Return the amount of memory required for the dynamic symbols. */ | |
261 | ||
262 | static long | |
263 | sunos_get_dynamic_symtab_upper_bound (abfd) | |
264 | bfd *abfd; | |
265 | { | |
266 | struct sunos_dynamic_info *info; | |
267 | ||
268 | if (! sunos_read_dynamic_info (abfd)) | |
269 | return -1; | |
270 | ||
271 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
272 | if (! info->valid) | |
273 | { | |
274 | bfd_set_error (bfd_error_no_symbols); | |
275 | return -1; | |
276 | } | |
277 | ||
278 | return (info->dynsym_count + 1) * sizeof (asymbol *); | |
279 | } | |
280 | ||
281 | /* Read the external dynamic symbols. */ | |
282 | ||
b34976b6 | 283 | static bfd_boolean |
252b5132 RH |
284 | sunos_slurp_dynamic_symtab (abfd) |
285 | bfd *abfd; | |
286 | { | |
287 | struct sunos_dynamic_info *info; | |
dc810e39 | 288 | bfd_size_type amt; |
252b5132 RH |
289 | |
290 | /* Get the general dynamic information. */ | |
291 | if (obj_aout_dynamic_info (abfd) == NULL) | |
292 | { | |
293 | if (! sunos_read_dynamic_info (abfd)) | |
b34976b6 | 294 | return FALSE; |
252b5132 RH |
295 | } |
296 | ||
297 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
298 | if (! info->valid) | |
299 | { | |
300 | bfd_set_error (bfd_error_no_symbols); | |
b34976b6 | 301 | return FALSE; |
252b5132 RH |
302 | } |
303 | ||
304 | /* Get the dynamic nlist structures. */ | |
305 | if (info->dynsym == (struct external_nlist *) NULL) | |
306 | { | |
dc810e39 AM |
307 | amt = (bfd_size_type) info->dynsym_count * EXTERNAL_NLIST_SIZE; |
308 | info->dynsym = (struct external_nlist *) bfd_alloc (abfd, amt); | |
252b5132 | 309 | if (info->dynsym == NULL && info->dynsym_count != 0) |
b34976b6 | 310 | return FALSE; |
dc810e39 AM |
311 | if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_stab, SEEK_SET) != 0 |
312 | || bfd_bread ((PTR) info->dynsym, amt, abfd) != amt) | |
252b5132 RH |
313 | { |
314 | if (info->dynsym != NULL) | |
315 | { | |
316 | bfd_release (abfd, info->dynsym); | |
317 | info->dynsym = NULL; | |
318 | } | |
b34976b6 | 319 | return FALSE; |
252b5132 RH |
320 | } |
321 | } | |
322 | ||
323 | /* Get the dynamic strings. */ | |
324 | if (info->dynstr == (char *) NULL) | |
325 | { | |
dc810e39 AM |
326 | amt = info->dyninfo.ld_symb_size; |
327 | info->dynstr = (char *) bfd_alloc (abfd, amt); | |
252b5132 | 328 | if (info->dynstr == NULL && info->dyninfo.ld_symb_size != 0) |
b34976b6 | 329 | return FALSE; |
dc810e39 AM |
330 | if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_symbols, SEEK_SET) != 0 |
331 | || bfd_bread ((PTR) info->dynstr, amt, abfd) != amt) | |
252b5132 RH |
332 | { |
333 | if (info->dynstr != NULL) | |
334 | { | |
335 | bfd_release (abfd, info->dynstr); | |
336 | info->dynstr = NULL; | |
337 | } | |
b34976b6 | 338 | return FALSE; |
252b5132 RH |
339 | } |
340 | } | |
341 | ||
b34976b6 | 342 | return TRUE; |
252b5132 RH |
343 | } |
344 | ||
345 | /* Read in the dynamic symbols. */ | |
346 | ||
347 | static long | |
348 | sunos_canonicalize_dynamic_symtab (abfd, storage) | |
349 | bfd *abfd; | |
350 | asymbol **storage; | |
351 | { | |
352 | struct sunos_dynamic_info *info; | |
353 | unsigned long i; | |
354 | ||
355 | if (! sunos_slurp_dynamic_symtab (abfd)) | |
356 | return -1; | |
357 | ||
358 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
359 | ||
360 | #ifdef CHECK_DYNAMIC_HASH | |
361 | /* Check my understanding of the dynamic hash table by making sure | |
362 | that each symbol can be located in the hash table. */ | |
363 | { | |
364 | bfd_size_type table_size; | |
365 | bfd_byte *table; | |
366 | bfd_size_type i; | |
367 | ||
368 | if (info->dyninfo.ld_buckets > info->dynsym_count) | |
369 | abort (); | |
370 | table_size = info->dyninfo.ld_stab - info->dyninfo.ld_hash; | |
371 | table = (bfd_byte *) bfd_malloc (table_size); | |
372 | if (table == NULL && table_size != 0) | |
373 | abort (); | |
dc810e39 AM |
374 | if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_hash, SEEK_SET) != 0 |
375 | || bfd_bread ((PTR) table, table_size, abfd) != table_size) | |
252b5132 RH |
376 | abort (); |
377 | for (i = 0; i < info->dynsym_count; i++) | |
378 | { | |
379 | unsigned char *name; | |
380 | unsigned long hash; | |
381 | ||
382 | name = ((unsigned char *) info->dynstr | |
383 | + GET_WORD (abfd, info->dynsym[i].e_strx)); | |
384 | hash = 0; | |
385 | while (*name != '\0') | |
386 | hash = (hash << 1) + *name++; | |
387 | hash &= 0x7fffffff; | |
388 | hash %= info->dyninfo.ld_buckets; | |
389 | while (GET_WORD (abfd, table + hash * HASH_ENTRY_SIZE) != i) | |
390 | { | |
391 | hash = GET_WORD (abfd, | |
392 | table + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD); | |
393 | if (hash == 0 || hash >= table_size / HASH_ENTRY_SIZE) | |
394 | abort (); | |
395 | } | |
396 | } | |
397 | free (table); | |
398 | } | |
399 | #endif /* CHECK_DYNAMIC_HASH */ | |
400 | ||
401 | /* Get the asymbol structures corresponding to the dynamic nlist | |
402 | structures. */ | |
403 | if (info->canonical_dynsym == (aout_symbol_type *) NULL) | |
404 | { | |
dc810e39 AM |
405 | bfd_size_type size; |
406 | bfd_size_type strsize = info->dyninfo.ld_symb_size; | |
407 | ||
408 | size = (bfd_size_type) info->dynsym_count * sizeof (aout_symbol_type); | |
409 | info->canonical_dynsym = (aout_symbol_type *) bfd_alloc (abfd, size); | |
252b5132 RH |
410 | if (info->canonical_dynsym == NULL && info->dynsym_count != 0) |
411 | return -1; | |
412 | ||
413 | if (! aout_32_translate_symbol_table (abfd, info->canonical_dynsym, | |
dc810e39 AM |
414 | info->dynsym, |
415 | (bfd_size_type) info->dynsym_count, | |
b34976b6 | 416 | info->dynstr, strsize, TRUE)) |
252b5132 RH |
417 | { |
418 | if (info->canonical_dynsym != NULL) | |
419 | { | |
420 | bfd_release (abfd, info->canonical_dynsym); | |
421 | info->canonical_dynsym = NULL; | |
422 | } | |
423 | return -1; | |
424 | } | |
425 | } | |
426 | ||
427 | /* Return pointers to the dynamic asymbol structures. */ | |
428 | for (i = 0; i < info->dynsym_count; i++) | |
429 | *storage++ = (asymbol *) (info->canonical_dynsym + i); | |
430 | *storage = NULL; | |
431 | ||
432 | return info->dynsym_count; | |
433 | } | |
434 | ||
435 | /* Return the amount of memory required for the dynamic relocs. */ | |
436 | ||
437 | static long | |
438 | sunos_get_dynamic_reloc_upper_bound (abfd) | |
439 | bfd *abfd; | |
440 | { | |
441 | struct sunos_dynamic_info *info; | |
442 | ||
443 | if (! sunos_read_dynamic_info (abfd)) | |
444 | return -1; | |
445 | ||
446 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
447 | if (! info->valid) | |
448 | { | |
449 | bfd_set_error (bfd_error_no_symbols); | |
450 | return -1; | |
451 | } | |
452 | ||
453 | return (info->dynrel_count + 1) * sizeof (arelent *); | |
454 | } | |
455 | ||
456 | /* Read in the dynamic relocs. */ | |
457 | ||
458 | static long | |
459 | sunos_canonicalize_dynamic_reloc (abfd, storage, syms) | |
460 | bfd *abfd; | |
461 | arelent **storage; | |
462 | asymbol **syms; | |
463 | { | |
464 | struct sunos_dynamic_info *info; | |
465 | unsigned long i; | |
dc810e39 | 466 | bfd_size_type size; |
252b5132 RH |
467 | |
468 | /* Get the general dynamic information. */ | |
469 | if (obj_aout_dynamic_info (abfd) == (PTR) NULL) | |
470 | { | |
471 | if (! sunos_read_dynamic_info (abfd)) | |
472 | return -1; | |
473 | } | |
474 | ||
475 | info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
476 | if (! info->valid) | |
477 | { | |
478 | bfd_set_error (bfd_error_no_symbols); | |
479 | return -1; | |
480 | } | |
481 | ||
482 | /* Get the dynamic reloc information. */ | |
483 | if (info->dynrel == NULL) | |
484 | { | |
dc810e39 AM |
485 | size = (bfd_size_type) info->dynrel_count * obj_reloc_entry_size (abfd); |
486 | info->dynrel = (PTR) bfd_alloc (abfd, size); | |
487 | if (info->dynrel == NULL && size != 0) | |
252b5132 | 488 | return -1; |
dc810e39 AM |
489 | if (bfd_seek (abfd, (file_ptr) info->dyninfo.ld_rel, SEEK_SET) != 0 |
490 | || bfd_bread ((PTR) info->dynrel, size, abfd) != size) | |
252b5132 RH |
491 | { |
492 | if (info->dynrel != NULL) | |
493 | { | |
494 | bfd_release (abfd, info->dynrel); | |
495 | info->dynrel = NULL; | |
496 | } | |
497 | return -1; | |
498 | } | |
499 | } | |
500 | ||
501 | /* Get the arelent structures corresponding to the dynamic reloc | |
502 | information. */ | |
503 | if (info->canonical_dynrel == (arelent *) NULL) | |
504 | { | |
505 | arelent *to; | |
506 | ||
dc810e39 AM |
507 | size = (bfd_size_type) info->dynrel_count * sizeof (arelent); |
508 | info->canonical_dynrel = (arelent *) bfd_alloc (abfd, size); | |
252b5132 RH |
509 | if (info->canonical_dynrel == NULL && info->dynrel_count != 0) |
510 | return -1; | |
7b82c249 | 511 | |
252b5132 RH |
512 | to = info->canonical_dynrel; |
513 | ||
514 | if (obj_reloc_entry_size (abfd) == RELOC_EXT_SIZE) | |
515 | { | |
516 | register struct reloc_ext_external *p; | |
517 | struct reloc_ext_external *pend; | |
518 | ||
519 | p = (struct reloc_ext_external *) info->dynrel; | |
520 | pend = p + info->dynrel_count; | |
521 | for (; p < pend; p++, to++) | |
522 | NAME(aout,swap_ext_reloc_in) (abfd, p, to, syms, | |
dc810e39 | 523 | (bfd_size_type) info->dynsym_count); |
252b5132 RH |
524 | } |
525 | else | |
526 | { | |
527 | register struct reloc_std_external *p; | |
528 | struct reloc_std_external *pend; | |
529 | ||
530 | p = (struct reloc_std_external *) info->dynrel; | |
531 | pend = p + info->dynrel_count; | |
532 | for (; p < pend; p++, to++) | |
533 | NAME(aout,swap_std_reloc_in) (abfd, p, to, syms, | |
dc810e39 | 534 | (bfd_size_type) info->dynsym_count); |
252b5132 RH |
535 | } |
536 | } | |
537 | ||
538 | /* Return pointers to the dynamic arelent structures. */ | |
539 | for (i = 0; i < info->dynrel_count; i++) | |
540 | *storage++ = info->canonical_dynrel + i; | |
541 | *storage = NULL; | |
542 | ||
543 | return info->dynrel_count; | |
544 | } | |
545 | \f | |
546 | /* Code to handle linking of SunOS shared libraries. */ | |
547 | ||
548 | /* A SPARC procedure linkage table entry is 12 bytes. The first entry | |
549 | in the table is a jump which is filled in by the runtime linker. | |
550 | The remaining entries are branches back to the first entry, | |
551 | followed by an index into the relocation table encoded to look like | |
552 | a sethi of %g0. */ | |
553 | ||
554 | #define SPARC_PLT_ENTRY_SIZE (12) | |
555 | ||
556 | static const bfd_byte sparc_plt_first_entry[SPARC_PLT_ENTRY_SIZE] = | |
557 | { | |
558 | /* sethi %hi(0),%g1; address filled in by runtime linker. */ | |
559 | 0x3, 0, 0, 0, | |
560 | /* jmp %g1; offset filled in by runtime linker. */ | |
561 | 0x81, 0xc0, 0x60, 0, | |
562 | /* nop */ | |
563 | 0x1, 0, 0, 0 | |
564 | }; | |
565 | ||
566 | /* save %sp, -96, %sp */ | |
dc810e39 | 567 | #define SPARC_PLT_ENTRY_WORD0 ((bfd_vma) 0x9de3bfa0) |
252b5132 | 568 | /* call; address filled in later. */ |
dc810e39 | 569 | #define SPARC_PLT_ENTRY_WORD1 ((bfd_vma) 0x40000000) |
252b5132 | 570 | /* sethi; reloc index filled in later. */ |
dc810e39 | 571 | #define SPARC_PLT_ENTRY_WORD2 ((bfd_vma) 0x01000000) |
252b5132 RH |
572 | |
573 | /* This sequence is used when for the jump table entry to a defined | |
574 | symbol in a complete executable. It is used when linking PIC | |
575 | compiled code which is not being put into a shared library. */ | |
576 | /* sethi <address to be filled in later>, %g1 */ | |
dc810e39 | 577 | #define SPARC_PLT_PIC_WORD0 ((bfd_vma) 0x03000000) |
252b5132 | 578 | /* jmp %g1 + <address to be filled in later> */ |
dc810e39 | 579 | #define SPARC_PLT_PIC_WORD1 ((bfd_vma) 0x81c06000) |
252b5132 | 580 | /* nop */ |
dc810e39 | 581 | #define SPARC_PLT_PIC_WORD2 ((bfd_vma) 0x01000000) |
252b5132 RH |
582 | |
583 | /* An m68k procedure linkage table entry is 8 bytes. The first entry | |
584 | in the table is a jump which is filled in the by the runtime | |
585 | linker. The remaining entries are branches back to the first | |
586 | entry, followed by a two byte index into the relocation table. */ | |
587 | ||
588 | #define M68K_PLT_ENTRY_SIZE (8) | |
589 | ||
590 | static const bfd_byte m68k_plt_first_entry[M68K_PLT_ENTRY_SIZE] = | |
591 | { | |
592 | /* jmps @# */ | |
593 | 0x4e, 0xf9, | |
594 | /* Filled in by runtime linker with a magic address. */ | |
595 | 0, 0, 0, 0, | |
596 | /* Not used? */ | |
597 | 0, 0 | |
598 | }; | |
599 | ||
600 | /* bsrl */ | |
dc810e39 | 601 | #define M68K_PLT_ENTRY_WORD0 ((bfd_vma) 0x61ff) |
252b5132 RH |
602 | /* Remaining words filled in later. */ |
603 | ||
604 | /* An entry in the SunOS linker hash table. */ | |
605 | ||
606 | struct sunos_link_hash_entry | |
607 | { | |
608 | struct aout_link_hash_entry root; | |
609 | ||
610 | /* If this is a dynamic symbol, this is its index into the dynamic | |
611 | symbol table. This is initialized to -1. As the linker looks at | |
612 | the input files, it changes this to -2 if it will be added to the | |
613 | dynamic symbol table. After all the input files have been seen, | |
614 | the linker will know whether to build a dynamic symbol table; if | |
615 | it does build one, this becomes the index into the table. */ | |
616 | long dynindx; | |
617 | ||
618 | /* If this is a dynamic symbol, this is the index of the name in the | |
619 | dynamic symbol string table. */ | |
620 | long dynstr_index; | |
621 | ||
622 | /* The offset into the global offset table used for this symbol. If | |
623 | the symbol does not require a GOT entry, this is 0. */ | |
624 | bfd_vma got_offset; | |
625 | ||
626 | /* The offset into the procedure linkage table used for this symbol. | |
627 | If the symbol does not require a PLT entry, this is 0. */ | |
628 | bfd_vma plt_offset; | |
629 | ||
630 | /* Some linker flags. */ | |
631 | unsigned char flags; | |
632 | /* Symbol is referenced by a regular object. */ | |
633 | #define SUNOS_REF_REGULAR 01 | |
634 | /* Symbol is defined by a regular object. */ | |
635 | #define SUNOS_DEF_REGULAR 02 | |
636 | /* Symbol is referenced by a dynamic object. */ | |
637 | #define SUNOS_REF_DYNAMIC 04 | |
638 | /* Symbol is defined by a dynamic object. */ | |
639 | #define SUNOS_DEF_DYNAMIC 010 | |
640 | /* Symbol is a constructor symbol in a regular object. */ | |
641 | #define SUNOS_CONSTRUCTOR 020 | |
642 | }; | |
643 | ||
644 | /* The SunOS linker hash table. */ | |
645 | ||
646 | struct sunos_link_hash_table | |
647 | { | |
648 | struct aout_link_hash_table root; | |
649 | ||
650 | /* The object which holds the dynamic sections. */ | |
651 | bfd *dynobj; | |
652 | ||
653 | /* Whether we have created the dynamic sections. */ | |
b34976b6 | 654 | bfd_boolean dynamic_sections_created; |
252b5132 RH |
655 | |
656 | /* Whether we need the dynamic sections. */ | |
b34976b6 | 657 | bfd_boolean dynamic_sections_needed; |
252b5132 RH |
658 | |
659 | /* Whether we need the .got table. */ | |
b34976b6 | 660 | bfd_boolean got_needed; |
252b5132 RH |
661 | |
662 | /* The number of dynamic symbols. */ | |
663 | size_t dynsymcount; | |
664 | ||
665 | /* The number of buckets in the hash table. */ | |
666 | size_t bucketcount; | |
667 | ||
668 | /* The list of dynamic objects needed by dynamic objects included in | |
669 | the link. */ | |
670 | struct bfd_link_needed_list *needed; | |
671 | ||
672 | /* The offset of __GLOBAL_OFFSET_TABLE_ into the .got section. */ | |
673 | bfd_vma got_base; | |
674 | }; | |
675 | ||
676 | /* Routine to create an entry in an SunOS link hash table. */ | |
677 | ||
678 | static struct bfd_hash_entry * | |
679 | sunos_link_hash_newfunc (entry, table, string) | |
680 | struct bfd_hash_entry *entry; | |
681 | struct bfd_hash_table *table; | |
682 | const char *string; | |
683 | { | |
684 | struct sunos_link_hash_entry *ret = (struct sunos_link_hash_entry *) entry; | |
685 | ||
686 | /* Allocate the structure if it has not already been allocated by a | |
687 | subclass. */ | |
688 | if (ret == (struct sunos_link_hash_entry *) NULL) | |
689 | ret = ((struct sunos_link_hash_entry *) | |
690 | bfd_hash_allocate (table, sizeof (struct sunos_link_hash_entry))); | |
691 | if (ret == (struct sunos_link_hash_entry *) NULL) | |
692 | return (struct bfd_hash_entry *) ret; | |
693 | ||
694 | /* Call the allocation method of the superclass. */ | |
695 | ret = ((struct sunos_link_hash_entry *) | |
696 | NAME(aout,link_hash_newfunc) ((struct bfd_hash_entry *) ret, | |
697 | table, string)); | |
698 | if (ret != NULL) | |
699 | { | |
700 | /* Set local fields. */ | |
701 | ret->dynindx = -1; | |
702 | ret->dynstr_index = -1; | |
703 | ret->got_offset = 0; | |
704 | ret->plt_offset = 0; | |
705 | ret->flags = 0; | |
706 | } | |
707 | ||
708 | return (struct bfd_hash_entry *) ret; | |
709 | } | |
710 | ||
711 | /* Create a SunOS link hash table. */ | |
712 | ||
713 | static struct bfd_link_hash_table * | |
714 | sunos_link_hash_table_create (abfd) | |
715 | bfd *abfd; | |
716 | { | |
717 | struct sunos_link_hash_table *ret; | |
dc810e39 | 718 | bfd_size_type amt = sizeof (struct sunos_link_hash_table); |
252b5132 | 719 | |
e2d34d7d | 720 | ret = (struct sunos_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
721 | if (ret == (struct sunos_link_hash_table *) NULL) |
722 | return (struct bfd_link_hash_table *) NULL; | |
723 | if (! NAME(aout,link_hash_table_init) (&ret->root, abfd, | |
724 | sunos_link_hash_newfunc)) | |
725 | { | |
e2d34d7d | 726 | free (ret); |
252b5132 RH |
727 | return (struct bfd_link_hash_table *) NULL; |
728 | } | |
729 | ||
730 | ret->dynobj = NULL; | |
b34976b6 AM |
731 | ret->dynamic_sections_created = FALSE; |
732 | ret->dynamic_sections_needed = FALSE; | |
733 | ret->got_needed = FALSE; | |
252b5132 RH |
734 | ret->dynsymcount = 0; |
735 | ret->bucketcount = 0; | |
736 | ret->needed = NULL; | |
737 | ret->got_base = 0; | |
738 | ||
739 | return &ret->root.root; | |
740 | } | |
741 | ||
742 | /* Look up an entry in an SunOS link hash table. */ | |
743 | ||
744 | #define sunos_link_hash_lookup(table, string, create, copy, follow) \ | |
745 | ((struct sunos_link_hash_entry *) \ | |
746 | aout_link_hash_lookup (&(table)->root, (string), (create), (copy),\ | |
747 | (follow))) | |
748 | ||
749 | /* Traverse a SunOS link hash table. */ | |
750 | ||
751 | #define sunos_link_hash_traverse(table, func, info) \ | |
752 | (aout_link_hash_traverse \ | |
753 | (&(table)->root, \ | |
b34976b6 | 754 | (bfd_boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \ |
252b5132 RH |
755 | (info))) |
756 | ||
757 | /* Get the SunOS link hash table from the info structure. This is | |
758 | just a cast. */ | |
759 | ||
760 | #define sunos_hash_table(p) ((struct sunos_link_hash_table *) ((p)->hash)) | |
761 | ||
b34976b6 | 762 | static bfd_boolean sunos_scan_dynamic_symbol |
252b5132 RH |
763 | PARAMS ((struct sunos_link_hash_entry *, PTR)); |
764 | ||
765 | /* Create the dynamic sections needed if we are linking against a | |
766 | dynamic object, or if we are linking PIC compiled code. ABFD is a | |
767 | bfd we can attach the dynamic sections to. The linker script will | |
768 | look for these special sections names and put them in the right | |
769 | place in the output file. See include/aout/sun4.h for more details | |
770 | of the dynamic linking information. */ | |
771 | ||
b34976b6 | 772 | static bfd_boolean |
252b5132 RH |
773 | sunos_create_dynamic_sections (abfd, info, needed) |
774 | bfd *abfd; | |
775 | struct bfd_link_info *info; | |
b34976b6 | 776 | bfd_boolean needed; |
252b5132 RH |
777 | { |
778 | asection *s; | |
779 | ||
780 | if (! sunos_hash_table (info)->dynamic_sections_created) | |
781 | { | |
782 | flagword flags; | |
783 | ||
784 | sunos_hash_table (info)->dynobj = abfd; | |
785 | ||
786 | flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | |
787 | | SEC_LINKER_CREATED); | |
788 | ||
789 | /* The .dynamic section holds the basic dynamic information: the | |
790 | sun4_dynamic structure, the dynamic debugger information, and | |
791 | the sun4_dynamic_link structure. */ | |
792 | s = bfd_make_section (abfd, ".dynamic"); | |
793 | if (s == NULL | |
794 | || ! bfd_set_section_flags (abfd, s, flags) | |
795 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 796 | return FALSE; |
252b5132 RH |
797 | |
798 | /* The .got section holds the global offset table. The address | |
799 | is put in the ld_got field. */ | |
800 | s = bfd_make_section (abfd, ".got"); | |
801 | if (s == NULL | |
802 | || ! bfd_set_section_flags (abfd, s, flags) | |
803 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 804 | return FALSE; |
252b5132 RH |
805 | |
806 | /* The .plt section holds the procedure linkage table. The | |
807 | address is put in the ld_plt field. */ | |
808 | s = bfd_make_section (abfd, ".plt"); | |
809 | if (s == NULL | |
810 | || ! bfd_set_section_flags (abfd, s, flags | SEC_CODE) | |
811 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 812 | return FALSE; |
252b5132 RH |
813 | |
814 | /* The .dynrel section holds the dynamic relocs. The address is | |
815 | put in the ld_rel field. */ | |
816 | s = bfd_make_section (abfd, ".dynrel"); | |
817 | if (s == NULL | |
818 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
819 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 820 | return FALSE; |
252b5132 RH |
821 | |
822 | /* The .hash section holds the dynamic hash table. The address | |
823 | is put in the ld_hash field. */ | |
824 | s = bfd_make_section (abfd, ".hash"); | |
825 | if (s == NULL | |
826 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
827 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 828 | return FALSE; |
252b5132 RH |
829 | |
830 | /* The .dynsym section holds the dynamic symbols. The address | |
831 | is put in the ld_stab field. */ | |
832 | s = bfd_make_section (abfd, ".dynsym"); | |
833 | if (s == NULL | |
834 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
835 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 836 | return FALSE; |
252b5132 RH |
837 | |
838 | /* The .dynstr section holds the dynamic symbol string table. | |
839 | The address is put in the ld_symbols field. */ | |
840 | s = bfd_make_section (abfd, ".dynstr"); | |
841 | if (s == NULL | |
842 | || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY) | |
843 | || ! bfd_set_section_alignment (abfd, s, 2)) | |
b34976b6 | 844 | return FALSE; |
252b5132 | 845 | |
b34976b6 | 846 | sunos_hash_table (info)->dynamic_sections_created = TRUE; |
252b5132 RH |
847 | } |
848 | ||
849 | if ((needed && ! sunos_hash_table (info)->dynamic_sections_needed) | |
850 | || info->shared) | |
851 | { | |
852 | bfd *dynobj; | |
853 | ||
854 | dynobj = sunos_hash_table (info)->dynobj; | |
855 | ||
856 | s = bfd_get_section_by_name (dynobj, ".got"); | |
eea6121a AM |
857 | if (s->size == 0) |
858 | s->size = BYTES_IN_WORD; | |
252b5132 | 859 | |
b34976b6 AM |
860 | sunos_hash_table (info)->dynamic_sections_needed = TRUE; |
861 | sunos_hash_table (info)->got_needed = TRUE; | |
252b5132 RH |
862 | } |
863 | ||
b34976b6 | 864 | return TRUE; |
252b5132 RH |
865 | } |
866 | ||
867 | /* Add dynamic symbols during a link. This is called by the a.out | |
868 | backend linker for each object it encounters. */ | |
869 | ||
b34976b6 | 870 | static bfd_boolean |
252b5132 RH |
871 | sunos_add_dynamic_symbols (abfd, info, symsp, sym_countp, stringsp) |
872 | bfd *abfd; | |
873 | struct bfd_link_info *info; | |
874 | struct external_nlist **symsp; | |
875 | bfd_size_type *sym_countp; | |
876 | char **stringsp; | |
877 | { | |
252b5132 RH |
878 | bfd *dynobj; |
879 | struct sunos_dynamic_info *dinfo; | |
880 | unsigned long need; | |
9e7b37b3 | 881 | asection **ps; |
252b5132 RH |
882 | |
883 | /* Make sure we have all the required sections. */ | |
884 | if (info->hash->creator == abfd->xvec) | |
885 | { | |
886 | if (! sunos_create_dynamic_sections (abfd, info, | |
b34976b6 | 887 | ((abfd->flags & DYNAMIC) != 0 |
1049f94e | 888 | && !info->relocatable))) |
b34976b6 | 889 | return FALSE; |
252b5132 RH |
890 | } |
891 | ||
892 | /* There is nothing else to do for a normal object. */ | |
893 | if ((abfd->flags & DYNAMIC) == 0) | |
b34976b6 | 894 | return TRUE; |
252b5132 RH |
895 | |
896 | dynobj = sunos_hash_table (info)->dynobj; | |
897 | ||
898 | /* We do not want to include the sections in a dynamic object in the | |
899 | output file. We hack by simply clobbering the list of sections | |
900 | in the BFD. This could be handled more cleanly by, say, a new | |
901 | section flag; the existing SEC_NEVER_LOAD flag is not the one we | |
902 | want, because that one still implies that the section takes up | |
903 | space in the output file. If this is the first object we have | |
904 | seen, we must preserve the dynamic sections we just created. */ | |
9e7b37b3 | 905 | for (ps = &abfd->sections; *ps != NULL; ) |
252b5132 | 906 | { |
9e7b37b3 AM |
907 | if (abfd != dynobj || ((*ps)->flags & SEC_LINKER_CREATED) == 0) |
908 | bfd_section_list_remove (abfd, ps); | |
909 | else | |
910 | ps = &(*ps)->next; | |
252b5132 RH |
911 | } |
912 | ||
913 | /* The native linker seems to just ignore dynamic objects when -r is | |
914 | used. */ | |
1049f94e | 915 | if (info->relocatable) |
b34976b6 | 916 | return TRUE; |
252b5132 RH |
917 | |
918 | /* There's no hope of using a dynamic object which does not exactly | |
919 | match the format of the output file. */ | |
920 | if (info->hash->creator != abfd->xvec) | |
921 | { | |
922 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 923 | return FALSE; |
252b5132 RH |
924 | } |
925 | ||
926 | /* Make sure we have a .need and a .rules sections. These are only | |
927 | needed if there really is a dynamic object in the link, so they | |
928 | are not added by sunos_create_dynamic_sections. */ | |
929 | if (bfd_get_section_by_name (dynobj, ".need") == NULL) | |
930 | { | |
931 | /* The .need section holds the list of names of shared objets | |
932 | which must be included at runtime. The address of this | |
933 | section is put in the ld_need field. */ | |
dc810e39 | 934 | asection *s = bfd_make_section (dynobj, ".need"); |
252b5132 RH |
935 | if (s == NULL |
936 | || ! bfd_set_section_flags (dynobj, s, | |
937 | (SEC_ALLOC | |
938 | | SEC_LOAD | |
939 | | SEC_HAS_CONTENTS | |
940 | | SEC_IN_MEMORY | |
941 | | SEC_READONLY)) | |
942 | || ! bfd_set_section_alignment (dynobj, s, 2)) | |
b34976b6 | 943 | return FALSE; |
252b5132 RH |
944 | } |
945 | ||
946 | if (bfd_get_section_by_name (dynobj, ".rules") == NULL) | |
947 | { | |
948 | /* The .rules section holds the path to search for shared | |
949 | objects. The address of this section is put in the ld_rules | |
950 | field. */ | |
dc810e39 | 951 | asection *s = bfd_make_section (dynobj, ".rules"); |
252b5132 RH |
952 | if (s == NULL |
953 | || ! bfd_set_section_flags (dynobj, s, | |
954 | (SEC_ALLOC | |
955 | | SEC_LOAD | |
956 | | SEC_HAS_CONTENTS | |
957 | | SEC_IN_MEMORY | |
958 | | SEC_READONLY)) | |
959 | || ! bfd_set_section_alignment (dynobj, s, 2)) | |
b34976b6 | 960 | return FALSE; |
252b5132 RH |
961 | } |
962 | ||
963 | /* Pick up the dynamic symbols and return them to the caller. */ | |
964 | if (! sunos_slurp_dynamic_symtab (abfd)) | |
b34976b6 | 965 | return FALSE; |
252b5132 RH |
966 | |
967 | dinfo = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd); | |
968 | *symsp = dinfo->dynsym; | |
969 | *sym_countp = dinfo->dynsym_count; | |
970 | *stringsp = dinfo->dynstr; | |
971 | ||
972 | /* Record information about any other objects needed by this one. */ | |
973 | need = dinfo->dyninfo.ld_need; | |
974 | while (need != 0) | |
975 | { | |
976 | bfd_byte buf[16]; | |
977 | unsigned long name, flags; | |
978 | unsigned short major_vno, minor_vno; | |
979 | struct bfd_link_needed_list *needed, **pp; | |
980 | char *namebuf, *p; | |
dc810e39 | 981 | bfd_size_type alc; |
252b5132 RH |
982 | bfd_byte b; |
983 | char *namecopy; | |
984 | ||
dc810e39 AM |
985 | if (bfd_seek (abfd, (file_ptr) need, SEEK_SET) != 0 |
986 | || bfd_bread (buf, (bfd_size_type) 16, abfd) != 16) | |
b34976b6 | 987 | return FALSE; |
252b5132 RH |
988 | |
989 | /* For the format of an ld_need entry, see aout/sun4.h. We | |
b34976b6 | 990 | should probably define structs for this manipulation. */ |
252b5132 RH |
991 | |
992 | name = bfd_get_32 (abfd, buf); | |
993 | flags = bfd_get_32 (abfd, buf + 4); | |
dc810e39 AM |
994 | major_vno = (unsigned short) bfd_get_16 (abfd, buf + 8); |
995 | minor_vno = (unsigned short) bfd_get_16 (abfd, buf + 10); | |
252b5132 RH |
996 | need = bfd_get_32 (abfd, buf + 12); |
997 | ||
dc810e39 AM |
998 | alc = sizeof (struct bfd_link_needed_list); |
999 | needed = (struct bfd_link_needed_list *) bfd_alloc (abfd, alc); | |
252b5132 | 1000 | if (needed == NULL) |
b34976b6 | 1001 | return FALSE; |
252b5132 RH |
1002 | needed->by = abfd; |
1003 | ||
1004 | /* We return the name as [-l]name[.maj][.min]. */ | |
1005 | alc = 30; | |
1006 | namebuf = (char *) bfd_malloc (alc + 1); | |
1007 | if (namebuf == NULL) | |
b34976b6 | 1008 | return FALSE; |
252b5132 RH |
1009 | p = namebuf; |
1010 | ||
1011 | if ((flags & 0x80000000) != 0) | |
1012 | { | |
1013 | *p++ = '-'; | |
1014 | *p++ = 'l'; | |
1015 | } | |
dc810e39 | 1016 | if (bfd_seek (abfd, (file_ptr) name, SEEK_SET) != 0) |
252b5132 RH |
1017 | { |
1018 | free (namebuf); | |
b34976b6 | 1019 | return FALSE; |
252b5132 RH |
1020 | } |
1021 | ||
1022 | do | |
1023 | { | |
dc810e39 | 1024 | if (bfd_bread (&b, (bfd_size_type) 1, abfd) != 1) |
252b5132 RH |
1025 | { |
1026 | free (namebuf); | |
b34976b6 | 1027 | return FALSE; |
252b5132 RH |
1028 | } |
1029 | ||
dc810e39 | 1030 | if ((bfd_size_type) (p - namebuf) >= alc) |
252b5132 RH |
1031 | { |
1032 | char *n; | |
1033 | ||
1034 | alc *= 2; | |
1035 | n = (char *) bfd_realloc (namebuf, alc + 1); | |
1036 | if (n == NULL) | |
1037 | { | |
1038 | free (namebuf); | |
b34976b6 | 1039 | return FALSE; |
252b5132 RH |
1040 | } |
1041 | p = n + (p - namebuf); | |
1042 | namebuf = n; | |
1043 | } | |
1044 | ||
1045 | *p++ = b; | |
1046 | } | |
1047 | while (b != '\0'); | |
1048 | ||
1049 | if (major_vno == 0) | |
1050 | *p = '\0'; | |
1051 | else | |
1052 | { | |
1053 | char majbuf[30]; | |
1054 | char minbuf[30]; | |
1055 | ||
1056 | sprintf (majbuf, ".%d", major_vno); | |
1057 | if (minor_vno == 0) | |
1058 | minbuf[0] = '\0'; | |
1059 | else | |
1060 | sprintf (minbuf, ".%d", minor_vno); | |
1061 | ||
1062 | if ((p - namebuf) + strlen (majbuf) + strlen (minbuf) >= alc) | |
1063 | { | |
1064 | char *n; | |
1065 | ||
1066 | alc = (p - namebuf) + strlen (majbuf) + strlen (minbuf); | |
1067 | n = (char *) bfd_realloc (namebuf, alc + 1); | |
1068 | if (n == NULL) | |
1069 | { | |
1070 | free (namebuf); | |
b34976b6 | 1071 | return FALSE; |
252b5132 RH |
1072 | } |
1073 | p = n + (p - namebuf); | |
1074 | namebuf = n; | |
1075 | } | |
1076 | ||
1077 | strcpy (p, majbuf); | |
1078 | strcat (p, minbuf); | |
1079 | } | |
1080 | ||
dc810e39 | 1081 | namecopy = bfd_alloc (abfd, (bfd_size_type) strlen (namebuf) + 1); |
252b5132 RH |
1082 | if (namecopy == NULL) |
1083 | { | |
1084 | free (namebuf); | |
b34976b6 | 1085 | return FALSE; |
252b5132 RH |
1086 | } |
1087 | strcpy (namecopy, namebuf); | |
1088 | free (namebuf); | |
1089 | needed->name = namecopy; | |
1090 | ||
1091 | needed->next = NULL; | |
1092 | ||
1093 | for (pp = &sunos_hash_table (info)->needed; | |
1094 | *pp != NULL; | |
1095 | pp = &(*pp)->next) | |
1096 | ; | |
1097 | *pp = needed; | |
1098 | } | |
1099 | ||
b34976b6 | 1100 | return TRUE; |
252b5132 RH |
1101 | } |
1102 | ||
1103 | /* Function to add a single symbol to the linker hash table. This is | |
1104 | a wrapper around _bfd_generic_link_add_one_symbol which handles the | |
1105 | tweaking needed for dynamic linking support. */ | |
1106 | ||
b34976b6 | 1107 | static bfd_boolean |
252b5132 RH |
1108 | sunos_add_one_symbol (info, abfd, name, flags, section, value, string, |
1109 | copy, collect, hashp) | |
1110 | struct bfd_link_info *info; | |
1111 | bfd *abfd; | |
1112 | const char *name; | |
1113 | flagword flags; | |
1114 | asection *section; | |
1115 | bfd_vma value; | |
1116 | const char *string; | |
b34976b6 AM |
1117 | bfd_boolean copy; |
1118 | bfd_boolean collect; | |
252b5132 RH |
1119 | struct bfd_link_hash_entry **hashp; |
1120 | { | |
1121 | struct sunos_link_hash_entry *h; | |
1122 | int new_flag; | |
1123 | ||
1124 | if ((flags & (BSF_INDIRECT | BSF_WARNING | BSF_CONSTRUCTOR)) != 0 | |
1125 | || ! bfd_is_und_section (section)) | |
b34976b6 AM |
1126 | h = sunos_link_hash_lookup (sunos_hash_table (info), name, TRUE, copy, |
1127 | FALSE); | |
252b5132 RH |
1128 | else |
1129 | h = ((struct sunos_link_hash_entry *) | |
b34976b6 | 1130 | bfd_wrapped_link_hash_lookup (abfd, info, name, TRUE, copy, FALSE)); |
252b5132 | 1131 | if (h == NULL) |
b34976b6 | 1132 | return FALSE; |
252b5132 RH |
1133 | |
1134 | if (hashp != NULL) | |
1135 | *hashp = (struct bfd_link_hash_entry *) h; | |
1136 | ||
1137 | /* Treat a common symbol in a dynamic object as defined in the .bss | |
1138 | section of the dynamic object. We don't want to allocate space | |
1139 | for it in our process image. */ | |
1140 | if ((abfd->flags & DYNAMIC) != 0 | |
1141 | && bfd_is_com_section (section)) | |
1142 | section = obj_bsssec (abfd); | |
1143 | ||
1144 | if (! bfd_is_und_section (section) | |
1145 | && h->root.root.type != bfd_link_hash_new | |
1146 | && h->root.root.type != bfd_link_hash_undefined | |
1147 | && h->root.root.type != bfd_link_hash_defweak) | |
1148 | { | |
1149 | /* We are defining the symbol, and it is already defined. This | |
1150 | is a potential multiple definition error. */ | |
1151 | if ((abfd->flags & DYNAMIC) != 0) | |
1152 | { | |
1153 | /* The definition we are adding is from a dynamic object. | |
1154 | We do not want this new definition to override the | |
1155 | existing definition, so we pretend it is just a | |
1156 | reference. */ | |
1157 | section = bfd_und_section_ptr; | |
1158 | } | |
1159 | else if (h->root.root.type == bfd_link_hash_defined | |
1160 | && h->root.root.u.def.section->owner != NULL | |
1161 | && (h->root.root.u.def.section->owner->flags & DYNAMIC) != 0) | |
1162 | { | |
1163 | /* The existing definition is from a dynamic object. We | |
1164 | want to override it with the definition we just found. | |
1165 | Clobber the existing definition. */ | |
1166 | h->root.root.type = bfd_link_hash_undefined; | |
1167 | h->root.root.u.undef.abfd = h->root.root.u.def.section->owner; | |
1168 | } | |
1169 | else if (h->root.root.type == bfd_link_hash_common | |
1170 | && (h->root.root.u.c.p->section->owner->flags & DYNAMIC) != 0) | |
1171 | { | |
1172 | /* The existing definition is from a dynamic object. We | |
1173 | want to override it with the definition we just found. | |
1174 | Clobber the existing definition. We can't set it to new, | |
1175 | because it is on the undefined list. */ | |
1176 | h->root.root.type = bfd_link_hash_undefined; | |
1177 | h->root.root.u.undef.abfd = h->root.root.u.c.p->section->owner; | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | if ((abfd->flags & DYNAMIC) != 0 | |
1182 | && abfd->xvec == info->hash->creator | |
1183 | && (h->flags & SUNOS_CONSTRUCTOR) != 0) | |
1184 | { | |
1185 | /* The existing symbol is a constructor symbol, and this symbol | |
b34976b6 AM |
1186 | is from a dynamic object. A constructor symbol is actually a |
1187 | definition, although the type will be bfd_link_hash_undefined | |
1188 | at this point. We want to ignore the definition from the | |
1189 | dynamic object. */ | |
252b5132 RH |
1190 | section = bfd_und_section_ptr; |
1191 | } | |
1192 | else if ((flags & BSF_CONSTRUCTOR) != 0 | |
1193 | && (abfd->flags & DYNAMIC) == 0 | |
1194 | && h->root.root.type == bfd_link_hash_defined | |
1195 | && h->root.root.u.def.section->owner != NULL | |
1196 | && (h->root.root.u.def.section->owner->flags & DYNAMIC) != 0) | |
1197 | { | |
1198 | /* The existing symbol is defined by a dynamic object, and this | |
b34976b6 AM |
1199 | is a constructor symbol. As above, we want to force the use |
1200 | of the constructor symbol from the regular object. */ | |
252b5132 RH |
1201 | h->root.root.type = bfd_link_hash_new; |
1202 | } | |
1203 | ||
1204 | /* Do the usual procedure for adding a symbol. */ | |
1205 | if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section, | |
1206 | value, string, copy, collect, | |
1207 | hashp)) | |
b34976b6 | 1208 | return FALSE; |
252b5132 RH |
1209 | |
1210 | if (abfd->xvec == info->hash->creator) | |
1211 | { | |
1212 | /* Set a flag in the hash table entry indicating the type of | |
1213 | reference or definition we just found. Keep a count of the | |
1214 | number of dynamic symbols we find. A dynamic symbol is one | |
1215 | which is referenced or defined by both a regular object and a | |
1216 | shared object. */ | |
1217 | if ((abfd->flags & DYNAMIC) == 0) | |
1218 | { | |
1219 | if (bfd_is_und_section (section)) | |
1220 | new_flag = SUNOS_REF_REGULAR; | |
1221 | else | |
1222 | new_flag = SUNOS_DEF_REGULAR; | |
1223 | } | |
1224 | else | |
1225 | { | |
1226 | if (bfd_is_und_section (section)) | |
1227 | new_flag = SUNOS_REF_DYNAMIC; | |
1228 | else | |
1229 | new_flag = SUNOS_DEF_DYNAMIC; | |
1230 | } | |
1231 | h->flags |= new_flag; | |
1232 | ||
1233 | if (h->dynindx == -1 | |
1234 | && (h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0) | |
1235 | { | |
1236 | ++sunos_hash_table (info)->dynsymcount; | |
1237 | h->dynindx = -2; | |
1238 | } | |
1239 | ||
1240 | if ((flags & BSF_CONSTRUCTOR) != 0 | |
1241 | && (abfd->flags & DYNAMIC) == 0) | |
1242 | h->flags |= SUNOS_CONSTRUCTOR; | |
1243 | } | |
1244 | ||
b34976b6 | 1245 | return TRUE; |
252b5132 RH |
1246 | } |
1247 | ||
1248 | /* Return the list of objects needed by BFD. */ | |
1249 | ||
252b5132 RH |
1250 | struct bfd_link_needed_list * |
1251 | bfd_sunos_get_needed_list (abfd, info) | |
5f771d47 | 1252 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1253 | struct bfd_link_info *info; |
1254 | { | |
1255 | if (info->hash->creator != &MY(vec)) | |
1256 | return NULL; | |
1257 | return sunos_hash_table (info)->needed; | |
1258 | } | |
1259 | ||
1260 | /* Record an assignment made to a symbol by a linker script. We need | |
1261 | this in case some dynamic object refers to this symbol. */ | |
1262 | ||
b34976b6 | 1263 | bfd_boolean |
252b5132 RH |
1264 | bfd_sunos_record_link_assignment (output_bfd, info, name) |
1265 | bfd *output_bfd; | |
1266 | struct bfd_link_info *info; | |
1267 | const char *name; | |
1268 | { | |
1269 | struct sunos_link_hash_entry *h; | |
1270 | ||
1271 | if (output_bfd->xvec != &MY(vec)) | |
b34976b6 | 1272 | return TRUE; |
252b5132 RH |
1273 | |
1274 | /* This is called after we have examined all the input objects. If | |
1275 | the symbol does not exist, it merely means that no object refers | |
1276 | to it, and we can just ignore it at this point. */ | |
1277 | h = sunos_link_hash_lookup (sunos_hash_table (info), name, | |
b34976b6 | 1278 | FALSE, FALSE, FALSE); |
252b5132 | 1279 | if (h == NULL) |
b34976b6 | 1280 | return TRUE; |
252b5132 RH |
1281 | |
1282 | /* In a shared library, the __DYNAMIC symbol does not appear in the | |
1283 | dynamic symbol table. */ | |
1284 | if (! info->shared || strcmp (name, "__DYNAMIC") != 0) | |
1285 | { | |
1286 | h->flags |= SUNOS_DEF_REGULAR; | |
1287 | ||
1288 | if (h->dynindx == -1) | |
1289 | { | |
1290 | ++sunos_hash_table (info)->dynsymcount; | |
1291 | h->dynindx = -2; | |
1292 | } | |
1293 | } | |
1294 | ||
b34976b6 | 1295 | return TRUE; |
252b5132 RH |
1296 | } |
1297 | ||
1298 | /* Set up the sizes and contents of the dynamic sections created in | |
1299 | sunos_add_dynamic_symbols. This is called by the SunOS linker | |
1300 | emulation before_allocation routine. We must set the sizes of the | |
1301 | sections before the linker sets the addresses of the various | |
1302 | sections. This unfortunately requires reading all the relocs so | |
1303 | that we can work out which ones need to become dynamic relocs. If | |
b34976b6 | 1304 | info->keep_memory is TRUE, we keep the relocs in memory; otherwise, |
252b5132 RH |
1305 | we discard them, and will read them again later. */ |
1306 | ||
b34976b6 | 1307 | bfd_boolean |
252b5132 RH |
1308 | bfd_sunos_size_dynamic_sections (output_bfd, info, sdynptr, sneedptr, |
1309 | srulesptr) | |
1310 | bfd *output_bfd; | |
1311 | struct bfd_link_info *info; | |
1312 | asection **sdynptr; | |
1313 | asection **sneedptr; | |
1314 | asection **srulesptr; | |
1315 | { | |
1316 | bfd *dynobj; | |
dc810e39 | 1317 | bfd_size_type dynsymcount; |
252b5132 RH |
1318 | struct sunos_link_hash_entry *h; |
1319 | asection *s; | |
1320 | size_t bucketcount; | |
dc810e39 | 1321 | bfd_size_type hashalloc; |
252b5132 RH |
1322 | size_t i; |
1323 | bfd *sub; | |
1324 | ||
1325 | *sdynptr = NULL; | |
1326 | *sneedptr = NULL; | |
1327 | *srulesptr = NULL; | |
1328 | ||
1049f94e | 1329 | if (info->relocatable) |
b34976b6 | 1330 | return TRUE; |
252b5132 RH |
1331 | |
1332 | if (output_bfd->xvec != &MY(vec)) | |
b34976b6 | 1333 | return TRUE; |
252b5132 RH |
1334 | |
1335 | /* Look through all the input BFD's and read their relocs. It would | |
1336 | be better if we didn't have to do this, but there is no other way | |
1337 | to determine the number of dynamic relocs we need, and, more | |
1338 | importantly, there is no other way to know which symbols should | |
1339 | get an entry in the procedure linkage table. */ | |
1340 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
1341 | { | |
1342 | if ((sub->flags & DYNAMIC) == 0 | |
1343 | && sub->xvec == output_bfd->xvec) | |
1344 | { | |
1345 | if (! sunos_scan_relocs (info, sub, obj_textsec (sub), | |
1346 | exec_hdr (sub)->a_trsize) | |
1347 | || ! sunos_scan_relocs (info, sub, obj_datasec (sub), | |
1348 | exec_hdr (sub)->a_drsize)) | |
b34976b6 | 1349 | return FALSE; |
252b5132 RH |
1350 | } |
1351 | } | |
1352 | ||
1353 | dynobj = sunos_hash_table (info)->dynobj; | |
1354 | dynsymcount = sunos_hash_table (info)->dynsymcount; | |
1355 | ||
1356 | /* If there were no dynamic objects in the link, and we don't need | |
1357 | to build a global offset table, there is nothing to do here. */ | |
1358 | if (! sunos_hash_table (info)->dynamic_sections_needed | |
1359 | && ! sunos_hash_table (info)->got_needed) | |
b34976b6 | 1360 | return TRUE; |
252b5132 RH |
1361 | |
1362 | /* If __GLOBAL_OFFSET_TABLE_ was mentioned, define it. */ | |
1363 | h = sunos_link_hash_lookup (sunos_hash_table (info), | |
b34976b6 | 1364 | "__GLOBAL_OFFSET_TABLE_", FALSE, FALSE, FALSE); |
252b5132 RH |
1365 | if (h != NULL && (h->flags & SUNOS_REF_REGULAR) != 0) |
1366 | { | |
1367 | h->flags |= SUNOS_DEF_REGULAR; | |
1368 | if (h->dynindx == -1) | |
1369 | { | |
1370 | ++sunos_hash_table (info)->dynsymcount; | |
1371 | h->dynindx = -2; | |
1372 | } | |
1373 | h->root.root.type = bfd_link_hash_defined; | |
1374 | h->root.root.u.def.section = bfd_get_section_by_name (dynobj, ".got"); | |
1375 | ||
1376 | /* If the .got section is more than 0x1000 bytes, we set | |
b34976b6 AM |
1377 | __GLOBAL_OFFSET_TABLE_ to be 0x1000 bytes into the section, |
1378 | so that 13 bit relocations have a greater chance of working. */ | |
252b5132 RH |
1379 | s = bfd_get_section_by_name (dynobj, ".got"); |
1380 | BFD_ASSERT (s != NULL); | |
eea6121a | 1381 | if (s->size >= 0x1000) |
252b5132 RH |
1382 | h->root.root.u.def.value = 0x1000; |
1383 | else | |
1384 | h->root.root.u.def.value = 0; | |
1385 | ||
1386 | sunos_hash_table (info)->got_base = h->root.root.u.def.value; | |
1387 | } | |
1388 | ||
1389 | /* If there are any shared objects in the link, then we need to set | |
1390 | up the dynamic linking information. */ | |
1391 | if (sunos_hash_table (info)->dynamic_sections_needed) | |
1392 | { | |
1393 | *sdynptr = bfd_get_section_by_name (dynobj, ".dynamic"); | |
1394 | ||
1395 | /* The .dynamic section is always the same size. */ | |
1396 | s = *sdynptr; | |
1397 | BFD_ASSERT (s != NULL); | |
eea6121a | 1398 | s->size = (sizeof (struct external_sun4_dynamic) |
252b5132 RH |
1399 | + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE |
1400 | + sizeof (struct external_sun4_dynamic_link)); | |
1401 | ||
1402 | /* Set the size of the .dynsym and .hash sections. We counted | |
1403 | the number of dynamic symbols as we read the input files. We | |
1404 | will build the dynamic symbol table (.dynsym) and the hash | |
1405 | table (.hash) when we build the final symbol table, because | |
1406 | until then we do not know the correct value to give the | |
1407 | symbols. We build the dynamic symbol string table (.dynstr) | |
1408 | in a traversal of the symbol table using | |
1409 | sunos_scan_dynamic_symbol. */ | |
1410 | s = bfd_get_section_by_name (dynobj, ".dynsym"); | |
1411 | BFD_ASSERT (s != NULL); | |
eea6121a AM |
1412 | s->size = dynsymcount * sizeof (struct external_nlist); |
1413 | s->contents = (bfd_byte *) bfd_alloc (output_bfd, s->size); | |
1414 | if (s->contents == NULL && s->size != 0) | |
b34976b6 | 1415 | return FALSE; |
7b82c249 | 1416 | |
252b5132 RH |
1417 | /* The number of buckets is just the number of symbols divided |
1418 | by four. To compute the final size of the hash table, we | |
1419 | must actually compute the hash table. Normally we need | |
1420 | exactly as many entries in the hash table as there are | |
1421 | dynamic symbols, but if some of the buckets are not used we | |
1422 | will need additional entries. In the worst case, every | |
1423 | symbol will hash to the same bucket, and we will need | |
1424 | BUCKETCOUNT - 1 extra entries. */ | |
1425 | if (dynsymcount >= 4) | |
1426 | bucketcount = dynsymcount / 4; | |
1427 | else if (dynsymcount > 0) | |
1428 | bucketcount = dynsymcount; | |
1429 | else | |
1430 | bucketcount = 1; | |
1431 | s = bfd_get_section_by_name (dynobj, ".hash"); | |
1432 | BFD_ASSERT (s != NULL); | |
1433 | hashalloc = (dynsymcount + bucketcount - 1) * HASH_ENTRY_SIZE; | |
9bab7074 | 1434 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, hashalloc); |
252b5132 | 1435 | if (s->contents == NULL && dynsymcount > 0) |
b34976b6 | 1436 | return FALSE; |
252b5132 RH |
1437 | for (i = 0; i < bucketcount; i++) |
1438 | PUT_WORD (output_bfd, (bfd_vma) -1, s->contents + i * HASH_ENTRY_SIZE); | |
eea6121a | 1439 | s->size = bucketcount * HASH_ENTRY_SIZE; |
252b5132 RH |
1440 | |
1441 | sunos_hash_table (info)->bucketcount = bucketcount; | |
1442 | ||
1443 | /* Scan all the symbols, place them in the dynamic symbol table, | |
1444 | and build the dynamic hash table. We reuse dynsymcount as a | |
1445 | counter for the number of symbols we have added so far. */ | |
1446 | sunos_hash_table (info)->dynsymcount = 0; | |
1447 | sunos_link_hash_traverse (sunos_hash_table (info), | |
1448 | sunos_scan_dynamic_symbol, | |
1449 | (PTR) info); | |
1450 | BFD_ASSERT (sunos_hash_table (info)->dynsymcount == dynsymcount); | |
1451 | ||
1452 | /* The SunOS native linker seems to align the total size of the | |
1453 | symbol strings to a multiple of 8. I don't know if this is | |
1454 | important, but it can't hurt much. */ | |
1455 | s = bfd_get_section_by_name (dynobj, ".dynstr"); | |
1456 | BFD_ASSERT (s != NULL); | |
eea6121a | 1457 | if ((s->size & 7) != 0) |
252b5132 RH |
1458 | { |
1459 | bfd_size_type add; | |
1460 | bfd_byte *contents; | |
1461 | ||
eea6121a | 1462 | add = 8 - (s->size & 7); |
252b5132 | 1463 | contents = (bfd_byte *) bfd_realloc (s->contents, |
eea6121a | 1464 | s->size + add); |
252b5132 | 1465 | if (contents == NULL) |
b34976b6 | 1466 | return FALSE; |
eea6121a | 1467 | memset (contents + s->size, 0, (size_t) add); |
252b5132 | 1468 | s->contents = contents; |
eea6121a | 1469 | s->size += add; |
252b5132 RH |
1470 | } |
1471 | } | |
1472 | ||
1473 | /* Now that we have worked out the sizes of the procedure linkage | |
1474 | table and the dynamic relocs, allocate storage for them. */ | |
1475 | s = bfd_get_section_by_name (dynobj, ".plt"); | |
1476 | BFD_ASSERT (s != NULL); | |
eea6121a | 1477 | if (s->size != 0) |
252b5132 | 1478 | { |
eea6121a | 1479 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size); |
252b5132 | 1480 | if (s->contents == NULL) |
b34976b6 | 1481 | return FALSE; |
252b5132 RH |
1482 | |
1483 | /* Fill in the first entry in the table. */ | |
1484 | switch (bfd_get_arch (dynobj)) | |
1485 | { | |
1486 | case bfd_arch_sparc: | |
1487 | memcpy (s->contents, sparc_plt_first_entry, SPARC_PLT_ENTRY_SIZE); | |
1488 | break; | |
1489 | ||
1490 | case bfd_arch_m68k: | |
1491 | memcpy (s->contents, m68k_plt_first_entry, M68K_PLT_ENTRY_SIZE); | |
1492 | break; | |
1493 | ||
1494 | default: | |
1495 | abort (); | |
1496 | } | |
1497 | } | |
1498 | ||
1499 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
eea6121a | 1500 | if (s->size != 0) |
252b5132 | 1501 | { |
eea6121a | 1502 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size); |
252b5132 | 1503 | if (s->contents == NULL) |
b34976b6 | 1504 | return FALSE; |
252b5132 RH |
1505 | } |
1506 | /* We use the reloc_count field to keep track of how many of the | |
1507 | relocs we have output so far. */ | |
1508 | s->reloc_count = 0; | |
1509 | ||
1510 | /* Make space for the global offset table. */ | |
1511 | s = bfd_get_section_by_name (dynobj, ".got"); | |
eea6121a | 1512 | s->contents = (bfd_byte *) bfd_alloc (dynobj, s->size); |
252b5132 | 1513 | if (s->contents == NULL) |
b34976b6 | 1514 | return FALSE; |
252b5132 RH |
1515 | |
1516 | *sneedptr = bfd_get_section_by_name (dynobj, ".need"); | |
1517 | *srulesptr = bfd_get_section_by_name (dynobj, ".rules"); | |
1518 | ||
b34976b6 | 1519 | return TRUE; |
252b5132 RH |
1520 | } |
1521 | ||
1522 | /* Scan the relocs for an input section. */ | |
1523 | ||
b34976b6 | 1524 | static bfd_boolean |
252b5132 RH |
1525 | sunos_scan_relocs (info, abfd, sec, rel_size) |
1526 | struct bfd_link_info *info; | |
1527 | bfd *abfd; | |
1528 | asection *sec; | |
1529 | bfd_size_type rel_size; | |
1530 | { | |
1531 | PTR relocs; | |
1532 | PTR free_relocs = NULL; | |
1533 | ||
1534 | if (rel_size == 0) | |
b34976b6 | 1535 | return TRUE; |
252b5132 RH |
1536 | |
1537 | if (! info->keep_memory) | |
dc810e39 | 1538 | relocs = free_relocs = bfd_malloc (rel_size); |
252b5132 RH |
1539 | else |
1540 | { | |
1541 | struct aout_section_data_struct *n; | |
dc810e39 | 1542 | bfd_size_type amt = sizeof (struct aout_section_data_struct); |
252b5132 | 1543 | |
dc810e39 | 1544 | n = (struct aout_section_data_struct *) bfd_alloc (abfd, amt); |
252b5132 RH |
1545 | if (n == NULL) |
1546 | relocs = NULL; | |
1547 | else | |
1548 | { | |
1549 | set_aout_section_data (sec, n); | |
dc810e39 | 1550 | relocs = bfd_malloc (rel_size); |
252b5132 RH |
1551 | aout_section_data (sec)->relocs = relocs; |
1552 | } | |
1553 | } | |
1554 | if (relocs == NULL) | |
b34976b6 | 1555 | return FALSE; |
252b5132 RH |
1556 | |
1557 | if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0 | |
dc810e39 | 1558 | || bfd_bread (relocs, rel_size, abfd) != rel_size) |
252b5132 RH |
1559 | goto error_return; |
1560 | ||
1561 | if (obj_reloc_entry_size (abfd) == RELOC_STD_SIZE) | |
1562 | { | |
1563 | if (! sunos_scan_std_relocs (info, abfd, sec, | |
1564 | (struct reloc_std_external *) relocs, | |
1565 | rel_size)) | |
1566 | goto error_return; | |
1567 | } | |
1568 | else | |
1569 | { | |
1570 | if (! sunos_scan_ext_relocs (info, abfd, sec, | |
1571 | (struct reloc_ext_external *) relocs, | |
1572 | rel_size)) | |
1573 | goto error_return; | |
1574 | } | |
1575 | ||
1576 | if (free_relocs != NULL) | |
1577 | free (free_relocs); | |
1578 | ||
b34976b6 | 1579 | return TRUE; |
252b5132 RH |
1580 | |
1581 | error_return: | |
1582 | if (free_relocs != NULL) | |
1583 | free (free_relocs); | |
b34976b6 | 1584 | return FALSE; |
252b5132 RH |
1585 | } |
1586 | ||
1587 | /* Scan the relocs for an input section using standard relocs. We | |
1588 | need to figure out what to do for each reloc against a dynamic | |
1589 | symbol. If the symbol is in the .text section, an entry is made in | |
1590 | the procedure linkage table. Note that this will do the wrong | |
1591 | thing if the symbol is actually data; I don't think the Sun 3 | |
1592 | native linker handles this case correctly either. If the symbol is | |
1593 | not in the .text section, we must preserve the reloc as a dynamic | |
1594 | reloc. FIXME: We should also handle the PIC relocs here by | |
1595 | building global offset table entries. */ | |
1596 | ||
b34976b6 | 1597 | static bfd_boolean |
252b5132 RH |
1598 | sunos_scan_std_relocs (info, abfd, sec, relocs, rel_size) |
1599 | struct bfd_link_info *info; | |
1600 | bfd *abfd; | |
5f771d47 | 1601 | asection *sec ATTRIBUTE_UNUSED; |
252b5132 RH |
1602 | const struct reloc_std_external *relocs; |
1603 | bfd_size_type rel_size; | |
1604 | { | |
1605 | bfd *dynobj; | |
1606 | asection *splt = NULL; | |
1607 | asection *srel = NULL; | |
1608 | struct sunos_link_hash_entry **sym_hashes; | |
1609 | const struct reloc_std_external *rel, *relend; | |
1610 | ||
1611 | /* We only know how to handle m68k plt entries. */ | |
1612 | if (bfd_get_arch (abfd) != bfd_arch_m68k) | |
1613 | { | |
1614 | bfd_set_error (bfd_error_invalid_target); | |
b34976b6 | 1615 | return FALSE; |
252b5132 RH |
1616 | } |
1617 | ||
1618 | dynobj = NULL; | |
1619 | ||
1620 | sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd); | |
1621 | ||
1622 | relend = relocs + rel_size / RELOC_STD_SIZE; | |
1623 | for (rel = relocs; rel < relend; rel++) | |
1624 | { | |
1625 | int r_index; | |
1626 | struct sunos_link_hash_entry *h; | |
1627 | ||
1628 | /* We only want relocs against external symbols. */ | |
1629 | if (bfd_header_big_endian (abfd)) | |
1630 | { | |
1631 | if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG) == 0) | |
1632 | continue; | |
1633 | } | |
1634 | else | |
1635 | { | |
1636 | if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE) == 0) | |
1637 | continue; | |
1638 | } | |
1639 | ||
1640 | /* Get the symbol index. */ | |
1641 | if (bfd_header_big_endian (abfd)) | |
1642 | r_index = ((rel->r_index[0] << 16) | |
1643 | | (rel->r_index[1] << 8) | |
1644 | | rel->r_index[2]); | |
1645 | else | |
1646 | r_index = ((rel->r_index[2] << 16) | |
1647 | | (rel->r_index[1] << 8) | |
1648 | | rel->r_index[0]); | |
1649 | ||
1650 | /* Get the hash table entry. */ | |
1651 | h = sym_hashes[r_index]; | |
1652 | if (h == NULL) | |
1653 | { | |
1654 | /* This should not normally happen, but it will in any case | |
1655 | be caught in the relocation phase. */ | |
1656 | continue; | |
1657 | } | |
1658 | ||
1659 | /* At this point common symbols have already been allocated, so | |
1660 | we don't have to worry about them. We need to consider that | |
1661 | we may have already seen this symbol and marked it undefined; | |
1662 | if the symbol is really undefined, then SUNOS_DEF_DYNAMIC | |
1663 | will be zero. */ | |
1664 | if (h->root.root.type != bfd_link_hash_defined | |
1665 | && h->root.root.type != bfd_link_hash_defweak | |
1666 | && h->root.root.type != bfd_link_hash_undefined) | |
1667 | continue; | |
1668 | ||
1669 | if ((h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
1670 | || (h->flags & SUNOS_DEF_REGULAR) != 0) | |
1671 | continue; | |
1672 | ||
1673 | if (dynobj == NULL) | |
1674 | { | |
1675 | asection *sgot; | |
1676 | ||
b34976b6 AM |
1677 | if (! sunos_create_dynamic_sections (abfd, info, FALSE)) |
1678 | return FALSE; | |
252b5132 RH |
1679 | dynobj = sunos_hash_table (info)->dynobj; |
1680 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1681 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1682 | BFD_ASSERT (splt != NULL && srel != NULL); | |
1683 | ||
1684 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1685 | BFD_ASSERT (sgot != NULL); | |
eea6121a AM |
1686 | if (sgot->size == 0) |
1687 | sgot->size = BYTES_IN_WORD; | |
b34976b6 | 1688 | sunos_hash_table (info)->got_needed = TRUE; |
252b5132 RH |
1689 | } |
1690 | ||
1691 | BFD_ASSERT ((h->flags & SUNOS_REF_REGULAR) != 0); | |
1692 | BFD_ASSERT (h->plt_offset != 0 | |
1693 | || ((h->root.root.type == bfd_link_hash_defined | |
1694 | || h->root.root.type == bfd_link_hash_defweak) | |
1695 | ? (h->root.root.u.def.section->owner->flags | |
1696 | & DYNAMIC) != 0 | |
1697 | : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0)); | |
1698 | ||
1699 | /* This reloc is against a symbol defined only by a dynamic | |
1700 | object. */ | |
1701 | ||
1702 | if (h->root.root.type == bfd_link_hash_undefined) | |
1703 | { | |
1704 | /* Presumably this symbol was marked as being undefined by | |
1705 | an earlier reloc. */ | |
eea6121a | 1706 | srel->size += RELOC_STD_SIZE; |
252b5132 RH |
1707 | } |
1708 | else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0) | |
1709 | { | |
1710 | bfd *sub; | |
1711 | ||
1712 | /* This reloc is not in the .text section. It must be | |
1713 | copied into the dynamic relocs. We mark the symbol as | |
1714 | being undefined. */ | |
eea6121a | 1715 | srel->size += RELOC_STD_SIZE; |
252b5132 RH |
1716 | sub = h->root.root.u.def.section->owner; |
1717 | h->root.root.type = bfd_link_hash_undefined; | |
1718 | h->root.root.u.undef.abfd = sub; | |
1719 | } | |
1720 | else | |
1721 | { | |
1722 | /* This symbol is in the .text section. We must give it an | |
1723 | entry in the procedure linkage table, if we have not | |
1724 | already done so. We change the definition of the symbol | |
1725 | to the .plt section; this will cause relocs against it to | |
1726 | be handled correctly. */ | |
1727 | if (h->plt_offset == 0) | |
1728 | { | |
eea6121a AM |
1729 | if (splt->size == 0) |
1730 | splt->size = M68K_PLT_ENTRY_SIZE; | |
1731 | h->plt_offset = splt->size; | |
252b5132 RH |
1732 | |
1733 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
1734 | { | |
1735 | h->root.root.u.def.section = splt; | |
eea6121a | 1736 | h->root.root.u.def.value = splt->size; |
252b5132 RH |
1737 | } |
1738 | ||
eea6121a | 1739 | splt->size += M68K_PLT_ENTRY_SIZE; |
252b5132 RH |
1740 | |
1741 | /* We may also need a dynamic reloc entry. */ | |
1742 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
eea6121a | 1743 | srel->size += RELOC_STD_SIZE; |
252b5132 RH |
1744 | } |
1745 | } | |
1746 | } | |
1747 | ||
b34976b6 | 1748 | return TRUE; |
252b5132 RH |
1749 | } |
1750 | ||
1751 | /* Scan the relocs for an input section using extended relocs. We | |
1752 | need to figure out what to do for each reloc against a dynamic | |
1753 | symbol. If the reloc is a WDISP30, and the symbol is in the .text | |
1754 | section, an entry is made in the procedure linkage table. | |
1755 | Otherwise, we must preserve the reloc as a dynamic reloc. */ | |
1756 | ||
b34976b6 | 1757 | static bfd_boolean |
252b5132 RH |
1758 | sunos_scan_ext_relocs (info, abfd, sec, relocs, rel_size) |
1759 | struct bfd_link_info *info; | |
1760 | bfd *abfd; | |
5f771d47 | 1761 | asection *sec ATTRIBUTE_UNUSED; |
252b5132 RH |
1762 | const struct reloc_ext_external *relocs; |
1763 | bfd_size_type rel_size; | |
1764 | { | |
1765 | bfd *dynobj; | |
1766 | struct sunos_link_hash_entry **sym_hashes; | |
1767 | const struct reloc_ext_external *rel, *relend; | |
1768 | asection *splt = NULL; | |
1769 | asection *sgot = NULL; | |
1770 | asection *srel = NULL; | |
dc810e39 | 1771 | bfd_size_type amt; |
252b5132 RH |
1772 | |
1773 | /* We only know how to handle SPARC plt entries. */ | |
1774 | if (bfd_get_arch (abfd) != bfd_arch_sparc) | |
1775 | { | |
1776 | bfd_set_error (bfd_error_invalid_target); | |
b34976b6 | 1777 | return FALSE; |
252b5132 RH |
1778 | } |
1779 | ||
1780 | dynobj = NULL; | |
1781 | ||
1782 | sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd); | |
1783 | ||
1784 | relend = relocs + rel_size / RELOC_EXT_SIZE; | |
1785 | for (rel = relocs; rel < relend; rel++) | |
1786 | { | |
1787 | unsigned int r_index; | |
1788 | int r_extern; | |
1789 | int r_type; | |
1790 | struct sunos_link_hash_entry *h = NULL; | |
1791 | ||
1792 | /* Swap in the reloc information. */ | |
1793 | if (bfd_header_big_endian (abfd)) | |
1794 | { | |
1795 | r_index = ((rel->r_index[0] << 16) | |
1796 | | (rel->r_index[1] << 8) | |
1797 | | rel->r_index[2]); | |
1798 | r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_BIG)); | |
1799 | r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG) | |
1800 | >> RELOC_EXT_BITS_TYPE_SH_BIG); | |
1801 | } | |
1802 | else | |
1803 | { | |
1804 | r_index = ((rel->r_index[2] << 16) | |
1805 | | (rel->r_index[1] << 8) | |
1806 | | rel->r_index[0]); | |
1807 | r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_LITTLE)); | |
1808 | r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE) | |
1809 | >> RELOC_EXT_BITS_TYPE_SH_LITTLE); | |
1810 | } | |
1811 | ||
1812 | if (r_extern) | |
1813 | { | |
1814 | h = sym_hashes[r_index]; | |
1815 | if (h == NULL) | |
1816 | { | |
1817 | /* This should not normally happen, but it will in any | |
1818 | case be caught in the relocation phase. */ | |
1819 | continue; | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | /* If this is a base relative reloc, we need to make an entry in | |
b34976b6 | 1824 | the .got section. */ |
252b5132 RH |
1825 | if (r_type == RELOC_BASE10 |
1826 | || r_type == RELOC_BASE13 | |
1827 | || r_type == RELOC_BASE22) | |
1828 | { | |
1829 | if (dynobj == NULL) | |
1830 | { | |
b34976b6 AM |
1831 | if (! sunos_create_dynamic_sections (abfd, info, FALSE)) |
1832 | return FALSE; | |
252b5132 RH |
1833 | dynobj = sunos_hash_table (info)->dynobj; |
1834 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1835 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1836 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1837 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
1838 | ||
1839 | /* Make sure we have an initial entry in the .got table. */ | |
eea6121a AM |
1840 | if (sgot->size == 0) |
1841 | sgot->size = BYTES_IN_WORD; | |
b34976b6 | 1842 | sunos_hash_table (info)->got_needed = TRUE; |
252b5132 RH |
1843 | } |
1844 | ||
1845 | if (r_extern) | |
1846 | { | |
1847 | if (h->got_offset != 0) | |
1848 | continue; | |
1849 | ||
eea6121a | 1850 | h->got_offset = sgot->size; |
252b5132 RH |
1851 | } |
1852 | else | |
1853 | { | |
1854 | if (r_index >= bfd_get_symcount (abfd)) | |
1855 | { | |
1856 | /* This is abnormal, but should be caught in the | |
1857 | relocation phase. */ | |
1858 | continue; | |
1859 | } | |
1860 | ||
1861 | if (adata (abfd).local_got_offsets == NULL) | |
1862 | { | |
dc810e39 AM |
1863 | amt = bfd_get_symcount (abfd); |
1864 | amt *= sizeof (bfd_vma); | |
252b5132 | 1865 | adata (abfd).local_got_offsets = |
dc810e39 | 1866 | (bfd_vma *) bfd_zalloc (abfd, amt); |
252b5132 | 1867 | if (adata (abfd).local_got_offsets == NULL) |
b34976b6 | 1868 | return FALSE; |
252b5132 RH |
1869 | } |
1870 | ||
1871 | if (adata (abfd).local_got_offsets[r_index] != 0) | |
1872 | continue; | |
1873 | ||
eea6121a | 1874 | adata (abfd).local_got_offsets[r_index] = sgot->size; |
252b5132 RH |
1875 | } |
1876 | ||
eea6121a | 1877 | sgot->size += BYTES_IN_WORD; |
252b5132 RH |
1878 | |
1879 | /* If we are making a shared library, or if the symbol is | |
1880 | defined by a dynamic object, we will need a dynamic reloc | |
1881 | entry. */ | |
1882 | if (info->shared | |
1883 | || (h != NULL | |
1884 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
1885 | && (h->flags & SUNOS_DEF_REGULAR) == 0)) | |
eea6121a | 1886 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
1887 | |
1888 | continue; | |
1889 | } | |
1890 | ||
1891 | /* Otherwise, we are only interested in relocs against symbols | |
b34976b6 AM |
1892 | defined in dynamic objects but not in regular objects. We |
1893 | only need to consider relocs against external symbols. */ | |
252b5132 RH |
1894 | if (! r_extern) |
1895 | { | |
1896 | /* But, if we are creating a shared library, we need to | |
b34976b6 | 1897 | generate an absolute reloc. */ |
252b5132 RH |
1898 | if (info->shared) |
1899 | { | |
1900 | if (dynobj == NULL) | |
1901 | { | |
b34976b6 AM |
1902 | if (! sunos_create_dynamic_sections (abfd, info, TRUE)) |
1903 | return FALSE; | |
252b5132 RH |
1904 | dynobj = sunos_hash_table (info)->dynobj; |
1905 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1906 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1907 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1908 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
1909 | } | |
1910 | ||
eea6121a | 1911 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
1912 | } |
1913 | ||
1914 | continue; | |
1915 | } | |
1916 | ||
1917 | /* At this point common symbols have already been allocated, so | |
1918 | we don't have to worry about them. We need to consider that | |
1919 | we may have already seen this symbol and marked it undefined; | |
1920 | if the symbol is really undefined, then SUNOS_DEF_DYNAMIC | |
1921 | will be zero. */ | |
1922 | if (h->root.root.type != bfd_link_hash_defined | |
1923 | && h->root.root.type != bfd_link_hash_defweak | |
1924 | && h->root.root.type != bfd_link_hash_undefined) | |
1925 | continue; | |
1926 | ||
1927 | if (r_type != RELOC_JMP_TBL | |
1928 | && ! info->shared | |
1929 | && ((h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
1930 | || (h->flags & SUNOS_DEF_REGULAR) != 0)) | |
1931 | continue; | |
1932 | ||
1933 | if (r_type == RELOC_JMP_TBL | |
1934 | && ! info->shared | |
1935 | && (h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
1936 | && (h->flags & SUNOS_DEF_REGULAR) == 0) | |
1937 | { | |
1938 | /* This symbol is apparently undefined. Don't do anything | |
b34976b6 AM |
1939 | here; just let the relocation routine report an undefined |
1940 | symbol. */ | |
252b5132 RH |
1941 | continue; |
1942 | } | |
1943 | ||
1944 | if (strcmp (h->root.root.root.string, "__GLOBAL_OFFSET_TABLE_") == 0) | |
1945 | continue; | |
1946 | ||
1947 | if (dynobj == NULL) | |
1948 | { | |
b34976b6 AM |
1949 | if (! sunos_create_dynamic_sections (abfd, info, FALSE)) |
1950 | return FALSE; | |
252b5132 RH |
1951 | dynobj = sunos_hash_table (info)->dynobj; |
1952 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
1953 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
1954 | srel = bfd_get_section_by_name (dynobj, ".dynrel"); | |
1955 | BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL); | |
1956 | ||
1957 | /* Make sure we have an initial entry in the .got table. */ | |
eea6121a AM |
1958 | if (sgot->size == 0) |
1959 | sgot->size = BYTES_IN_WORD; | |
b34976b6 | 1960 | sunos_hash_table (info)->got_needed = TRUE; |
252b5132 RH |
1961 | } |
1962 | ||
1963 | BFD_ASSERT (r_type == RELOC_JMP_TBL | |
1964 | || info->shared | |
1965 | || (h->flags & SUNOS_REF_REGULAR) != 0); | |
1966 | BFD_ASSERT (r_type == RELOC_JMP_TBL | |
1967 | || info->shared | |
1968 | || h->plt_offset != 0 | |
1969 | || ((h->root.root.type == bfd_link_hash_defined | |
1970 | || h->root.root.type == bfd_link_hash_defweak) | |
1971 | ? (h->root.root.u.def.section->owner->flags | |
1972 | & DYNAMIC) != 0 | |
1973 | : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0)); | |
1974 | ||
1975 | /* This reloc is against a symbol defined only by a dynamic | |
1976 | object, or it is a jump table reloc from PIC compiled code. */ | |
1977 | ||
1978 | if (r_type != RELOC_JMP_TBL | |
1979 | && h->root.root.type == bfd_link_hash_undefined) | |
1980 | { | |
1981 | /* Presumably this symbol was marked as being undefined by | |
1982 | an earlier reloc. */ | |
eea6121a | 1983 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
1984 | } |
1985 | else if (r_type != RELOC_JMP_TBL | |
1986 | && (h->root.root.u.def.section->flags & SEC_CODE) == 0) | |
1987 | { | |
1988 | bfd *sub; | |
1989 | ||
1990 | /* This reloc is not in the .text section. It must be | |
1991 | copied into the dynamic relocs. We mark the symbol as | |
1992 | being undefined. */ | |
eea6121a | 1993 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
1994 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) |
1995 | { | |
1996 | sub = h->root.root.u.def.section->owner; | |
1997 | h->root.root.type = bfd_link_hash_undefined; | |
1998 | h->root.root.u.undef.abfd = sub; | |
1999 | } | |
2000 | } | |
2001 | else | |
2002 | { | |
2003 | /* This symbol is in the .text section. We must give it an | |
2004 | entry in the procedure linkage table, if we have not | |
2005 | already done so. We change the definition of the symbol | |
2006 | to the .plt section; this will cause relocs against it to | |
2007 | be handled correctly. */ | |
2008 | if (h->plt_offset == 0) | |
2009 | { | |
eea6121a AM |
2010 | if (splt->size == 0) |
2011 | splt->size = SPARC_PLT_ENTRY_SIZE; | |
2012 | h->plt_offset = splt->size; | |
252b5132 RH |
2013 | |
2014 | if ((h->flags & SUNOS_DEF_REGULAR) == 0) | |
2015 | { | |
2016 | if (h->root.root.type == bfd_link_hash_undefined) | |
2017 | h->root.root.type = bfd_link_hash_defined; | |
2018 | h->root.root.u.def.section = splt; | |
eea6121a | 2019 | h->root.root.u.def.value = splt->size; |
252b5132 RH |
2020 | } |
2021 | ||
eea6121a | 2022 | splt->size += SPARC_PLT_ENTRY_SIZE; |
252b5132 RH |
2023 | |
2024 | /* We will also need a dynamic reloc entry, unless this | |
b34976b6 AM |
2025 | is a JMP_TBL reloc produced by linking PIC compiled |
2026 | code, and we are not making a shared library. */ | |
252b5132 | 2027 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) |
eea6121a | 2028 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
2029 | } |
2030 | ||
2031 | /* If we are creating a shared library, we need to copy over | |
b34976b6 | 2032 | any reloc other than a jump table reloc. */ |
252b5132 | 2033 | if (info->shared && r_type != RELOC_JMP_TBL) |
eea6121a | 2034 | srel->size += RELOC_EXT_SIZE; |
252b5132 RH |
2035 | } |
2036 | } | |
2037 | ||
b34976b6 | 2038 | return TRUE; |
252b5132 RH |
2039 | } |
2040 | ||
2041 | /* Build the hash table of dynamic symbols, and to mark as written all | |
2042 | symbols from dynamic objects which we do not plan to write out. */ | |
2043 | ||
b34976b6 | 2044 | static bfd_boolean |
252b5132 RH |
2045 | sunos_scan_dynamic_symbol (h, data) |
2046 | struct sunos_link_hash_entry *h; | |
2047 | PTR data; | |
2048 | { | |
2049 | struct bfd_link_info *info = (struct bfd_link_info *) data; | |
2050 | ||
e92d460e AM |
2051 | if (h->root.root.type == bfd_link_hash_warning) |
2052 | h = (struct sunos_link_hash_entry *) h->root.root.u.i.link; | |
2053 | ||
252b5132 RH |
2054 | /* Set the written flag for symbols we do not want to write out as |
2055 | part of the regular symbol table. This is all symbols which are | |
2056 | not defined in a regular object file. For some reason symbols | |
2057 | which are referenced by a regular object and defined by a dynamic | |
2058 | object do not seem to show up in the regular symbol table. It is | |
2059 | possible for a symbol to have only SUNOS_REF_REGULAR set here, it | |
2060 | is an undefined symbol which was turned into a common symbol | |
2061 | because it was found in an archive object which was not included | |
2062 | in the link. */ | |
2063 | if ((h->flags & SUNOS_DEF_REGULAR) == 0 | |
2064 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
2065 | && strcmp (h->root.root.root.string, "__DYNAMIC") != 0) | |
b34976b6 | 2066 | h->root.written = TRUE; |
252b5132 RH |
2067 | |
2068 | /* If this symbol is defined by a dynamic object and referenced by a | |
2069 | regular object, see whether we gave it a reasonable value while | |
2070 | scanning the relocs. */ | |
2071 | ||
2072 | if ((h->flags & SUNOS_DEF_REGULAR) == 0 | |
2073 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
2074 | && (h->flags & SUNOS_REF_REGULAR) != 0) | |
2075 | { | |
2076 | if ((h->root.root.type == bfd_link_hash_defined | |
2077 | || h->root.root.type == bfd_link_hash_defweak) | |
2078 | && ((h->root.root.u.def.section->owner->flags & DYNAMIC) != 0) | |
2079 | && h->root.root.u.def.section->output_section == NULL) | |
2080 | { | |
2081 | bfd *sub; | |
2082 | ||
2083 | /* This symbol is currently defined in a dynamic section | |
2084 | which is not being put into the output file. This | |
2085 | implies that there is no reloc against the symbol. I'm | |
2086 | not sure why this case would ever occur. In any case, we | |
2087 | change the symbol to be undefined. */ | |
2088 | sub = h->root.root.u.def.section->owner; | |
2089 | h->root.root.type = bfd_link_hash_undefined; | |
2090 | h->root.root.u.undef.abfd = sub; | |
2091 | } | |
2092 | } | |
2093 | ||
2094 | /* If this symbol is defined or referenced by a regular file, add it | |
2095 | to the dynamic symbols. */ | |
2096 | if ((h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0) | |
2097 | { | |
2098 | asection *s; | |
2099 | size_t len; | |
2100 | bfd_byte *contents; | |
2101 | unsigned char *name; | |
2102 | unsigned long hash; | |
2103 | bfd *dynobj; | |
2104 | ||
2105 | BFD_ASSERT (h->dynindx == -2); | |
2106 | ||
2107 | dynobj = sunos_hash_table (info)->dynobj; | |
2108 | ||
2109 | h->dynindx = sunos_hash_table (info)->dynsymcount; | |
2110 | ++sunos_hash_table (info)->dynsymcount; | |
2111 | ||
2112 | len = strlen (h->root.root.root.string); | |
2113 | ||
2114 | /* We don't bother to construct a BFD hash table for the strings | |
2115 | which are the names of the dynamic symbols. Using a hash | |
2116 | table for the regular symbols is beneficial, because the | |
2117 | regular symbols includes the debugging symbols, which have | |
2118 | long names and are often duplicated in several object files. | |
2119 | There are no debugging symbols in the dynamic symbols. */ | |
2120 | s = bfd_get_section_by_name (dynobj, ".dynstr"); | |
2121 | BFD_ASSERT (s != NULL); | |
2122 | contents = (bfd_byte *) bfd_realloc (s->contents, | |
eea6121a | 2123 | s->size + len + 1); |
252b5132 | 2124 | if (contents == NULL) |
b34976b6 | 2125 | return FALSE; |
252b5132 RH |
2126 | s->contents = contents; |
2127 | ||
eea6121a AM |
2128 | h->dynstr_index = s->size; |
2129 | strcpy ((char *) contents + s->size, h->root.root.root.string); | |
2130 | s->size += len + 1; | |
252b5132 RH |
2131 | |
2132 | /* Add it to the dynamic hash table. */ | |
2133 | name = (unsigned char *) h->root.root.root.string; | |
2134 | hash = 0; | |
2135 | while (*name != '\0') | |
2136 | hash = (hash << 1) + *name++; | |
2137 | hash &= 0x7fffffff; | |
2138 | hash %= sunos_hash_table (info)->bucketcount; | |
2139 | ||
2140 | s = bfd_get_section_by_name (dynobj, ".hash"); | |
2141 | BFD_ASSERT (s != NULL); | |
2142 | ||
2143 | if (GET_SWORD (dynobj, s->contents + hash * HASH_ENTRY_SIZE) == -1) | |
2144 | PUT_WORD (dynobj, h->dynindx, s->contents + hash * HASH_ENTRY_SIZE); | |
2145 | else | |
2146 | { | |
2147 | bfd_vma next; | |
2148 | ||
2149 | next = GET_WORD (dynobj, | |
2150 | (s->contents | |
2151 | + hash * HASH_ENTRY_SIZE | |
2152 | + BYTES_IN_WORD)); | |
eea6121a | 2153 | PUT_WORD (dynobj, s->size / HASH_ENTRY_SIZE, |
252b5132 | 2154 | s->contents + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD); |
eea6121a AM |
2155 | PUT_WORD (dynobj, h->dynindx, s->contents + s->size); |
2156 | PUT_WORD (dynobj, next, s->contents + s->size + BYTES_IN_WORD); | |
2157 | s->size += HASH_ENTRY_SIZE; | |
252b5132 RH |
2158 | } |
2159 | } | |
2160 | ||
b34976b6 | 2161 | return TRUE; |
252b5132 RH |
2162 | } |
2163 | ||
2164 | /* Link a dynamic object. We actually don't have anything to do at | |
2165 | this point. This entry point exists to prevent the regular linker | |
2166 | code from doing anything with the object. */ | |
2167 | ||
b34976b6 | 2168 | static bfd_boolean |
252b5132 | 2169 | sunos_link_dynamic_object (info, abfd) |
5f771d47 ILT |
2170 | struct bfd_link_info *info ATTRIBUTE_UNUSED; |
2171 | bfd *abfd ATTRIBUTE_UNUSED; | |
252b5132 | 2172 | { |
b34976b6 | 2173 | return TRUE; |
252b5132 RH |
2174 | } |
2175 | ||
2176 | /* Write out a dynamic symbol. This is called by the final traversal | |
2177 | over the symbol table. */ | |
2178 | ||
b34976b6 | 2179 | static bfd_boolean |
252b5132 RH |
2180 | sunos_write_dynamic_symbol (output_bfd, info, harg) |
2181 | bfd *output_bfd; | |
2182 | struct bfd_link_info *info; | |
2183 | struct aout_link_hash_entry *harg; | |
2184 | { | |
2185 | struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg; | |
2186 | int type; | |
2187 | bfd_vma val; | |
2188 | asection *s; | |
2189 | struct external_nlist *outsym; | |
2190 | ||
2191 | /* If this symbol is in the procedure linkage table, fill in the | |
2192 | table entry. */ | |
2193 | if (h->plt_offset != 0) | |
2194 | { | |
2195 | bfd *dynobj; | |
2196 | asection *splt; | |
2197 | bfd_byte *p; | |
252b5132 RH |
2198 | bfd_vma r_address; |
2199 | ||
2200 | dynobj = sunos_hash_table (info)->dynobj; | |
2201 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
2202 | p = splt->contents + h->plt_offset; | |
2203 | ||
2204 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2205 | ||
2206 | r_address = (splt->output_section->vma | |
2207 | + splt->output_offset | |
2208 | + h->plt_offset); | |
2209 | ||
2210 | switch (bfd_get_arch (output_bfd)) | |
2211 | { | |
2212 | case bfd_arch_sparc: | |
2213 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) | |
2214 | { | |
2215 | bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD0, p); | |
2216 | bfd_put_32 (output_bfd, | |
2217 | (SPARC_PLT_ENTRY_WORD1 | |
2218 | + (((- (h->plt_offset + 4) >> 2) | |
2219 | & 0x3fffffff))), | |
2220 | p + 4); | |
2221 | bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD2 + s->reloc_count, | |
2222 | p + 8); | |
2223 | } | |
2224 | else | |
2225 | { | |
252b5132 RH |
2226 | val = (h->root.root.u.def.section->output_section->vma |
2227 | + h->root.root.u.def.section->output_offset | |
2228 | + h->root.root.u.def.value); | |
2229 | bfd_put_32 (output_bfd, | |
2230 | SPARC_PLT_PIC_WORD0 + ((val >> 10) & 0x3fffff), | |
2231 | p); | |
2232 | bfd_put_32 (output_bfd, | |
2233 | SPARC_PLT_PIC_WORD1 + (val & 0x3ff), | |
2234 | p + 4); | |
2235 | bfd_put_32 (output_bfd, SPARC_PLT_PIC_WORD2, p + 8); | |
2236 | } | |
2237 | break; | |
2238 | ||
2239 | case bfd_arch_m68k: | |
2240 | if (! info->shared && (h->flags & SUNOS_DEF_REGULAR) != 0) | |
2241 | abort (); | |
2242 | bfd_put_16 (output_bfd, M68K_PLT_ENTRY_WORD0, p); | |
2243 | bfd_put_32 (output_bfd, (- (h->plt_offset + 2)), p + 2); | |
dc810e39 | 2244 | bfd_put_16 (output_bfd, (bfd_vma) s->reloc_count, p + 6); |
252b5132 RH |
2245 | r_address += 2; |
2246 | break; | |
2247 | ||
2248 | default: | |
2249 | abort (); | |
2250 | } | |
2251 | ||
2252 | /* We also need to add a jump table reloc, unless this is the | |
b34976b6 | 2253 | result of a JMP_TBL reloc from PIC compiled code. */ |
252b5132 RH |
2254 | if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0) |
2255 | { | |
2256 | BFD_ASSERT (h->dynindx >= 0); | |
2257 | BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) | |
eea6121a | 2258 | < s->size); |
252b5132 RH |
2259 | p = s->contents + s->reloc_count * obj_reloc_entry_size (output_bfd); |
2260 | if (obj_reloc_entry_size (output_bfd) == RELOC_STD_SIZE) | |
2261 | { | |
2262 | struct reloc_std_external *srel; | |
2263 | ||
2264 | srel = (struct reloc_std_external *) p; | |
2265 | PUT_WORD (output_bfd, r_address, srel->r_address); | |
2266 | if (bfd_header_big_endian (output_bfd)) | |
2267 | { | |
7b82c249 KH |
2268 | srel->r_index[0] = (bfd_byte) (h->dynindx >> 16); |
2269 | srel->r_index[1] = (bfd_byte) (h->dynindx >> 8); | |
2270 | srel->r_index[2] = (bfd_byte) (h->dynindx); | |
252b5132 RH |
2271 | srel->r_type[0] = (RELOC_STD_BITS_EXTERN_BIG |
2272 | | RELOC_STD_BITS_JMPTABLE_BIG); | |
2273 | } | |
2274 | else | |
2275 | { | |
7b82c249 KH |
2276 | srel->r_index[2] = (bfd_byte) (h->dynindx >> 16); |
2277 | srel->r_index[1] = (bfd_byte) (h->dynindx >> 8); | |
252b5132 RH |
2278 | srel->r_index[0] = (bfd_byte)h->dynindx; |
2279 | srel->r_type[0] = (RELOC_STD_BITS_EXTERN_LITTLE | |
2280 | | RELOC_STD_BITS_JMPTABLE_LITTLE); | |
2281 | } | |
2282 | } | |
2283 | else | |
2284 | { | |
2285 | struct reloc_ext_external *erel; | |
2286 | ||
2287 | erel = (struct reloc_ext_external *) p; | |
2288 | PUT_WORD (output_bfd, r_address, erel->r_address); | |
2289 | if (bfd_header_big_endian (output_bfd)) | |
2290 | { | |
7b82c249 KH |
2291 | erel->r_index[0] = (bfd_byte) (h->dynindx >> 16); |
2292 | erel->r_index[1] = (bfd_byte) (h->dynindx >> 8); | |
252b5132 RH |
2293 | erel->r_index[2] = (bfd_byte)h->dynindx; |
2294 | erel->r_type[0] = | |
2295 | (RELOC_EXT_BITS_EXTERN_BIG | |
2296 | | (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_BIG)); | |
2297 | } | |
2298 | else | |
2299 | { | |
7b82c249 KH |
2300 | erel->r_index[2] = (bfd_byte) (h->dynindx >> 16); |
2301 | erel->r_index[1] = (bfd_byte) (h->dynindx >> 8); | |
252b5132 RH |
2302 | erel->r_index[0] = (bfd_byte)h->dynindx; |
2303 | erel->r_type[0] = | |
2304 | (RELOC_EXT_BITS_EXTERN_LITTLE | |
2305 | | (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_LITTLE)); | |
2306 | } | |
2307 | PUT_WORD (output_bfd, (bfd_vma) 0, erel->r_addend); | |
2308 | } | |
2309 | ||
2310 | ++s->reloc_count; | |
2311 | } | |
2312 | } | |
2313 | ||
2314 | /* If this is not a dynamic symbol, we don't have to do anything | |
2315 | else. We only check this after handling the PLT entry, because | |
2316 | we can have a PLT entry for a nondynamic symbol when linking PIC | |
2317 | compiled code from a regular object. */ | |
2318 | if (h->dynindx < 0) | |
b34976b6 | 2319 | return TRUE; |
252b5132 RH |
2320 | |
2321 | switch (h->root.root.type) | |
2322 | { | |
2323 | default: | |
2324 | case bfd_link_hash_new: | |
2325 | abort (); | |
2326 | /* Avoid variable not initialized warnings. */ | |
b34976b6 | 2327 | return TRUE; |
252b5132 RH |
2328 | case bfd_link_hash_undefined: |
2329 | type = N_UNDF | N_EXT; | |
2330 | val = 0; | |
2331 | break; | |
2332 | case bfd_link_hash_defined: | |
2333 | case bfd_link_hash_defweak: | |
2334 | { | |
2335 | asection *sec; | |
2336 | asection *output_section; | |
2337 | ||
2338 | sec = h->root.root.u.def.section; | |
2339 | output_section = sec->output_section; | |
2340 | BFD_ASSERT (bfd_is_abs_section (output_section) | |
2341 | || output_section->owner == output_bfd); | |
2342 | if (h->plt_offset != 0 | |
2343 | && (h->flags & SUNOS_DEF_REGULAR) == 0) | |
2344 | { | |
2345 | type = N_UNDF | N_EXT; | |
2346 | val = 0; | |
2347 | } | |
2348 | else | |
2349 | { | |
2350 | if (output_section == obj_textsec (output_bfd)) | |
2351 | type = (h->root.root.type == bfd_link_hash_defined | |
2352 | ? N_TEXT | |
2353 | : N_WEAKT); | |
2354 | else if (output_section == obj_datasec (output_bfd)) | |
2355 | type = (h->root.root.type == bfd_link_hash_defined | |
2356 | ? N_DATA | |
2357 | : N_WEAKD); | |
2358 | else if (output_section == obj_bsssec (output_bfd)) | |
2359 | type = (h->root.root.type == bfd_link_hash_defined | |
2360 | ? N_BSS | |
2361 | : N_WEAKB); | |
2362 | else | |
2363 | type = (h->root.root.type == bfd_link_hash_defined | |
2364 | ? N_ABS | |
2365 | : N_WEAKA); | |
2366 | type |= N_EXT; | |
2367 | val = (h->root.root.u.def.value | |
2368 | + output_section->vma | |
2369 | + sec->output_offset); | |
2370 | } | |
2371 | } | |
2372 | break; | |
2373 | case bfd_link_hash_common: | |
2374 | type = N_UNDF | N_EXT; | |
2375 | val = h->root.root.u.c.size; | |
2376 | break; | |
2377 | case bfd_link_hash_undefweak: | |
2378 | type = N_WEAKU; | |
2379 | val = 0; | |
2380 | break; | |
2381 | case bfd_link_hash_indirect: | |
2382 | case bfd_link_hash_warning: | |
2383 | /* FIXME: Ignore these for now. The circumstances under which | |
2384 | they should be written out are not clear to me. */ | |
b34976b6 | 2385 | return TRUE; |
252b5132 RH |
2386 | } |
2387 | ||
2388 | s = bfd_get_section_by_name (sunos_hash_table (info)->dynobj, ".dynsym"); | |
2389 | BFD_ASSERT (s != NULL); | |
2390 | outsym = ((struct external_nlist *) | |
2391 | (s->contents + h->dynindx * EXTERNAL_NLIST_SIZE)); | |
2392 | ||
dc810e39 AM |
2393 | H_PUT_8 (output_bfd, type, outsym->e_type); |
2394 | H_PUT_8 (output_bfd, 0, outsym->e_other); | |
252b5132 RH |
2395 | |
2396 | /* FIXME: The native linker doesn't use 0 for desc. It seems to use | |
2397 | one less than the desc value in the shared library, although that | |
2398 | seems unlikely. */ | |
dc810e39 | 2399 | H_PUT_16 (output_bfd, 0, outsym->e_desc); |
252b5132 RH |
2400 | |
2401 | PUT_WORD (output_bfd, h->dynstr_index, outsym->e_strx); | |
2402 | PUT_WORD (output_bfd, val, outsym->e_value); | |
2403 | ||
b34976b6 | 2404 | return TRUE; |
252b5132 RH |
2405 | } |
2406 | ||
2407 | /* This is called for each reloc against an external symbol. If this | |
2408 | is a reloc which are are going to copy as a dynamic reloc, then | |
2409 | copy it over, and tell the caller to not bother processing this | |
2410 | reloc. */ | |
2411 | ||
b34976b6 | 2412 | static bfd_boolean |
252b5132 RH |
2413 | sunos_check_dynamic_reloc (info, input_bfd, input_section, harg, reloc, |
2414 | contents, skip, relocationp) | |
2415 | struct bfd_link_info *info; | |
2416 | bfd *input_bfd; | |
2417 | asection *input_section; | |
2418 | struct aout_link_hash_entry *harg; | |
2419 | PTR reloc; | |
5f771d47 | 2420 | bfd_byte *contents ATTRIBUTE_UNUSED; |
b34976b6 | 2421 | bfd_boolean *skip; |
252b5132 RH |
2422 | bfd_vma *relocationp; |
2423 | { | |
2424 | struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg; | |
2425 | bfd *dynobj; | |
b34976b6 AM |
2426 | bfd_boolean baserel; |
2427 | bfd_boolean jmptbl; | |
2428 | bfd_boolean pcrel; | |
252b5132 RH |
2429 | asection *s; |
2430 | bfd_byte *p; | |
2431 | long indx; | |
2432 | ||
b34976b6 | 2433 | *skip = FALSE; |
252b5132 RH |
2434 | |
2435 | dynobj = sunos_hash_table (info)->dynobj; | |
2436 | ||
2437 | if (h != NULL | |
2438 | && h->plt_offset != 0 | |
2439 | && (info->shared | |
2440 | || (h->flags & SUNOS_DEF_REGULAR) == 0)) | |
2441 | { | |
2442 | asection *splt; | |
2443 | ||
2444 | /* Redirect the relocation to the PLT entry. */ | |
2445 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
2446 | *relocationp = (splt->output_section->vma | |
2447 | + splt->output_offset | |
2448 | + h->plt_offset); | |
2449 | } | |
2450 | ||
2451 | if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE) | |
2452 | { | |
2453 | struct reloc_std_external *srel; | |
2454 | ||
2455 | srel = (struct reloc_std_external *) reloc; | |
2456 | if (bfd_header_big_endian (input_bfd)) | |
2457 | { | |
2458 | baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_BIG)); | |
2459 | jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_BIG)); | |
2460 | pcrel = (0 != (srel->r_type[0] & RELOC_STD_BITS_PCREL_BIG)); | |
2461 | } | |
2462 | else | |
2463 | { | |
2464 | baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_LITTLE)); | |
2465 | jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_LITTLE)); | |
2466 | pcrel = (0 != (srel->r_type[0] & RELOC_STD_BITS_PCREL_LITTLE)); | |
2467 | } | |
2468 | } | |
2469 | else | |
2470 | { | |
2471 | struct reloc_ext_external *erel; | |
2472 | int r_type; | |
2473 | ||
2474 | erel = (struct reloc_ext_external *) reloc; | |
2475 | if (bfd_header_big_endian (input_bfd)) | |
2476 | r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG) | |
2477 | >> RELOC_EXT_BITS_TYPE_SH_BIG); | |
2478 | else | |
2479 | r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE) | |
2480 | >> RELOC_EXT_BITS_TYPE_SH_LITTLE); | |
2481 | baserel = (r_type == RELOC_BASE10 | |
2482 | || r_type == RELOC_BASE13 | |
2483 | || r_type == RELOC_BASE22); | |
2484 | jmptbl = r_type == RELOC_JMP_TBL; | |
2485 | pcrel = (r_type == RELOC_DISP8 | |
2486 | || r_type == RELOC_DISP16 | |
2487 | || r_type == RELOC_DISP32 | |
2488 | || r_type == RELOC_WDISP30 | |
2489 | || r_type == RELOC_WDISP22); | |
2490 | /* We don't consider the PC10 and PC22 types to be PC relative, | |
b34976b6 | 2491 | because they are pcrel_offset. */ |
252b5132 RH |
2492 | } |
2493 | ||
2494 | if (baserel) | |
2495 | { | |
2496 | bfd_vma *got_offsetp; | |
2497 | asection *sgot; | |
2498 | ||
2499 | if (h != NULL) | |
2500 | got_offsetp = &h->got_offset; | |
2501 | else if (adata (input_bfd).local_got_offsets == NULL) | |
2502 | got_offsetp = NULL; | |
2503 | else | |
2504 | { | |
2505 | struct reloc_std_external *srel; | |
2506 | int r_index; | |
2507 | ||
2508 | srel = (struct reloc_std_external *) reloc; | |
2509 | if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE) | |
2510 | { | |
2511 | if (bfd_header_big_endian (input_bfd)) | |
2512 | r_index = ((srel->r_index[0] << 16) | |
2513 | | (srel->r_index[1] << 8) | |
2514 | | srel->r_index[2]); | |
2515 | else | |
2516 | r_index = ((srel->r_index[2] << 16) | |
2517 | | (srel->r_index[1] << 8) | |
2518 | | srel->r_index[0]); | |
2519 | } | |
2520 | else | |
2521 | { | |
2522 | struct reloc_ext_external *erel; | |
2523 | ||
2524 | erel = (struct reloc_ext_external *) reloc; | |
2525 | if (bfd_header_big_endian (input_bfd)) | |
2526 | r_index = ((erel->r_index[0] << 16) | |
2527 | | (erel->r_index[1] << 8) | |
2528 | | erel->r_index[2]); | |
2529 | else | |
2530 | r_index = ((erel->r_index[2] << 16) | |
2531 | | (erel->r_index[1] << 8) | |
2532 | | erel->r_index[0]); | |
2533 | } | |
2534 | ||
2535 | got_offsetp = adata (input_bfd).local_got_offsets + r_index; | |
2536 | } | |
2537 | ||
2538 | BFD_ASSERT (got_offsetp != NULL && *got_offsetp != 0); | |
2539 | ||
2540 | sgot = bfd_get_section_by_name (dynobj, ".got"); | |
2541 | ||
2542 | /* We set the least significant bit to indicate whether we have | |
2543 | already initialized the GOT entry. */ | |
2544 | if ((*got_offsetp & 1) == 0) | |
2545 | { | |
2546 | if (h == NULL | |
2547 | || (! info->shared | |
2548 | && ((h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
2549 | || (h->flags & SUNOS_DEF_REGULAR) != 0))) | |
2550 | PUT_WORD (dynobj, *relocationp, sgot->contents + *got_offsetp); | |
2551 | else | |
2552 | PUT_WORD (dynobj, 0, sgot->contents + *got_offsetp); | |
2553 | ||
2554 | if (info->shared | |
2555 | || (h != NULL | |
2556 | && (h->flags & SUNOS_DEF_DYNAMIC) != 0 | |
2557 | && (h->flags & SUNOS_DEF_REGULAR) == 0)) | |
2558 | { | |
2559 | /* We need to create a GLOB_DAT or 32 reloc to tell the | |
b34976b6 | 2560 | dynamic linker to fill in this entry in the table. */ |
252b5132 RH |
2561 | |
2562 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2563 | BFD_ASSERT (s != NULL); | |
2564 | BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) | |
eea6121a | 2565 | < s->size); |
252b5132 RH |
2566 | |
2567 | p = (s->contents | |
2568 | + s->reloc_count * obj_reloc_entry_size (dynobj)); | |
2569 | ||
2570 | if (h != NULL) | |
2571 | indx = h->dynindx; | |
2572 | else | |
2573 | indx = 0; | |
2574 | ||
2575 | if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE) | |
2576 | { | |
2577 | struct reloc_std_external *srel; | |
2578 | ||
2579 | srel = (struct reloc_std_external *) p; | |
2580 | PUT_WORD (dynobj, | |
2581 | (*got_offsetp | |
2582 | + sgot->output_section->vma | |
2583 | + sgot->output_offset), | |
2584 | srel->r_address); | |
2585 | if (bfd_header_big_endian (dynobj)) | |
2586 | { | |
7b82c249 KH |
2587 | srel->r_index[0] = (bfd_byte) (indx >> 16); |
2588 | srel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2589 | srel->r_index[2] = (bfd_byte)indx; |
2590 | if (h == NULL) | |
2591 | srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_BIG; | |
2592 | else | |
2593 | srel->r_type[0] = | |
2594 | (RELOC_STD_BITS_EXTERN_BIG | |
2595 | | RELOC_STD_BITS_BASEREL_BIG | |
2596 | | RELOC_STD_BITS_RELATIVE_BIG | |
2597 | | (2 << RELOC_STD_BITS_LENGTH_SH_BIG)); | |
2598 | } | |
2599 | else | |
2600 | { | |
7b82c249 KH |
2601 | srel->r_index[2] = (bfd_byte) (indx >> 16); |
2602 | srel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2603 | srel->r_index[0] = (bfd_byte)indx; |
2604 | if (h == NULL) | |
2605 | srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_LITTLE; | |
2606 | else | |
2607 | srel->r_type[0] = | |
2608 | (RELOC_STD_BITS_EXTERN_LITTLE | |
2609 | | RELOC_STD_BITS_BASEREL_LITTLE | |
2610 | | RELOC_STD_BITS_RELATIVE_LITTLE | |
2611 | | (2 << RELOC_STD_BITS_LENGTH_SH_LITTLE)); | |
2612 | } | |
2613 | } | |
2614 | else | |
2615 | { | |
2616 | struct reloc_ext_external *erel; | |
2617 | ||
2618 | erel = (struct reloc_ext_external *) p; | |
2619 | PUT_WORD (dynobj, | |
2620 | (*got_offsetp | |
2621 | + sgot->output_section->vma | |
2622 | + sgot->output_offset), | |
2623 | erel->r_address); | |
2624 | if (bfd_header_big_endian (dynobj)) | |
2625 | { | |
7b82c249 KH |
2626 | erel->r_index[0] = (bfd_byte) (indx >> 16); |
2627 | erel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2628 | erel->r_index[2] = (bfd_byte)indx; |
2629 | if (h == NULL) | |
2630 | erel->r_type[0] = | |
2631 | RELOC_32 << RELOC_EXT_BITS_TYPE_SH_BIG; | |
2632 | else | |
2633 | erel->r_type[0] = | |
2634 | (RELOC_EXT_BITS_EXTERN_BIG | |
2635 | | (RELOC_GLOB_DAT << RELOC_EXT_BITS_TYPE_SH_BIG)); | |
2636 | } | |
2637 | else | |
2638 | { | |
7b82c249 KH |
2639 | erel->r_index[2] = (bfd_byte) (indx >> 16); |
2640 | erel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2641 | erel->r_index[0] = (bfd_byte)indx; |
2642 | if (h == NULL) | |
2643 | erel->r_type[0] = | |
2644 | RELOC_32 << RELOC_EXT_BITS_TYPE_SH_LITTLE; | |
2645 | else | |
2646 | erel->r_type[0] = | |
2647 | (RELOC_EXT_BITS_EXTERN_LITTLE | |
2648 | | (RELOC_GLOB_DAT | |
2649 | << RELOC_EXT_BITS_TYPE_SH_LITTLE)); | |
2650 | } | |
2651 | PUT_WORD (dynobj, 0, erel->r_addend); | |
2652 | } | |
2653 | ||
2654 | ++s->reloc_count; | |
2655 | } | |
2656 | ||
2657 | *got_offsetp |= 1; | |
2658 | } | |
2659 | ||
2660 | *relocationp = (sgot->vma | |
dc810e39 | 2661 | + (*got_offsetp &~ (bfd_vma) 1) |
252b5132 RH |
2662 | - sunos_hash_table (info)->got_base); |
2663 | ||
2664 | /* There is nothing else to do for a base relative reloc. */ | |
b34976b6 | 2665 | return TRUE; |
252b5132 RH |
2666 | } |
2667 | ||
2668 | if (! sunos_hash_table (info)->dynamic_sections_needed) | |
b34976b6 | 2669 | return TRUE; |
252b5132 RH |
2670 | if (! info->shared) |
2671 | { | |
2672 | if (h == NULL | |
2673 | || h->dynindx == -1 | |
2674 | || h->root.root.type != bfd_link_hash_undefined | |
2675 | || (h->flags & SUNOS_DEF_REGULAR) != 0 | |
2676 | || (h->flags & SUNOS_DEF_DYNAMIC) == 0 | |
2677 | || (h->root.root.u.undef.abfd->flags & DYNAMIC) == 0) | |
b34976b6 | 2678 | return TRUE; |
252b5132 RH |
2679 | } |
2680 | else | |
2681 | { | |
2682 | if (h != NULL | |
2683 | && (h->dynindx == -1 | |
2684 | || jmptbl | |
2685 | || strcmp (h->root.root.root.string, | |
2686 | "__GLOBAL_OFFSET_TABLE_") == 0)) | |
b34976b6 | 2687 | return TRUE; |
252b5132 RH |
2688 | } |
2689 | ||
2690 | /* It looks like this is a reloc we are supposed to copy. */ | |
2691 | ||
2692 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2693 | BFD_ASSERT (s != NULL); | |
eea6121a | 2694 | BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) < s->size); |
252b5132 RH |
2695 | |
2696 | p = s->contents + s->reloc_count * obj_reloc_entry_size (dynobj); | |
2697 | ||
2698 | /* Copy the reloc over. */ | |
2699 | memcpy (p, reloc, obj_reloc_entry_size (dynobj)); | |
2700 | ||
2701 | if (h != NULL) | |
2702 | indx = h->dynindx; | |
2703 | else | |
2704 | indx = 0; | |
2705 | ||
2706 | /* Adjust the address and symbol index. */ | |
2707 | if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE) | |
2708 | { | |
2709 | struct reloc_std_external *srel; | |
2710 | ||
2711 | srel = (struct reloc_std_external *) p; | |
2712 | PUT_WORD (dynobj, | |
2713 | (GET_WORD (dynobj, srel->r_address) | |
2714 | + input_section->output_section->vma | |
2715 | + input_section->output_offset), | |
2716 | srel->r_address); | |
2717 | if (bfd_header_big_endian (dynobj)) | |
2718 | { | |
7b82c249 KH |
2719 | srel->r_index[0] = (bfd_byte) (indx >> 16); |
2720 | srel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2721 | srel->r_index[2] = (bfd_byte)indx; |
2722 | } | |
2723 | else | |
2724 | { | |
7b82c249 KH |
2725 | srel->r_index[2] = (bfd_byte) (indx >> 16); |
2726 | srel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2727 | srel->r_index[0] = (bfd_byte)indx; |
2728 | } | |
2729 | /* FIXME: We may have to change the addend for a PC relative | |
b34976b6 | 2730 | reloc. */ |
252b5132 RH |
2731 | } |
2732 | else | |
2733 | { | |
2734 | struct reloc_ext_external *erel; | |
2735 | ||
2736 | erel = (struct reloc_ext_external *) p; | |
2737 | PUT_WORD (dynobj, | |
2738 | (GET_WORD (dynobj, erel->r_address) | |
2739 | + input_section->output_section->vma | |
2740 | + input_section->output_offset), | |
2741 | erel->r_address); | |
2742 | if (bfd_header_big_endian (dynobj)) | |
2743 | { | |
7b82c249 KH |
2744 | erel->r_index[0] = (bfd_byte) (indx >> 16); |
2745 | erel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2746 | erel->r_index[2] = (bfd_byte)indx; |
2747 | } | |
2748 | else | |
2749 | { | |
7b82c249 KH |
2750 | erel->r_index[2] = (bfd_byte) (indx >> 16); |
2751 | erel->r_index[1] = (bfd_byte) (indx >> 8); | |
252b5132 RH |
2752 | erel->r_index[0] = (bfd_byte)indx; |
2753 | } | |
2754 | if (pcrel && h != NULL) | |
2755 | { | |
2756 | /* Adjust the addend for the change in address. */ | |
2757 | PUT_WORD (dynobj, | |
2758 | (GET_WORD (dynobj, erel->r_addend) | |
2759 | - (input_section->output_section->vma | |
2760 | + input_section->output_offset | |
2761 | - input_section->vma)), | |
2762 | erel->r_addend); | |
2763 | } | |
2764 | } | |
2765 | ||
2766 | ++s->reloc_count; | |
2767 | ||
2768 | if (h != NULL) | |
b34976b6 | 2769 | *skip = TRUE; |
252b5132 | 2770 | |
b34976b6 | 2771 | return TRUE; |
252b5132 RH |
2772 | } |
2773 | ||
2774 | /* Finish up the dynamic linking information. */ | |
2775 | ||
b34976b6 | 2776 | static bfd_boolean |
252b5132 RH |
2777 | sunos_finish_dynamic_link (abfd, info) |
2778 | bfd *abfd; | |
2779 | struct bfd_link_info *info; | |
2780 | { | |
2781 | bfd *dynobj; | |
2782 | asection *o; | |
2783 | asection *s; | |
2784 | asection *sdyn; | |
2785 | ||
2786 | if (! sunos_hash_table (info)->dynamic_sections_needed | |
2787 | && ! sunos_hash_table (info)->got_needed) | |
b34976b6 | 2788 | return TRUE; |
252b5132 RH |
2789 | |
2790 | dynobj = sunos_hash_table (info)->dynobj; | |
2791 | ||
2792 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
2793 | BFD_ASSERT (sdyn != NULL); | |
2794 | ||
2795 | /* Finish up the .need section. The linker emulation code filled it | |
2796 | in, but with offsets from the start of the section instead of | |
2797 | real addresses. Now that we know the section location, we can | |
2798 | fill in the final values. */ | |
2799 | s = bfd_get_section_by_name (dynobj, ".need"); | |
eea6121a | 2800 | if (s != NULL && s->size != 0) |
252b5132 RH |
2801 | { |
2802 | file_ptr filepos; | |
2803 | bfd_byte *p; | |
2804 | ||
2805 | filepos = s->output_section->filepos + s->output_offset; | |
2806 | p = s->contents; | |
2807 | while (1) | |
2808 | { | |
2809 | bfd_vma val; | |
2810 | ||
2811 | PUT_WORD (dynobj, GET_WORD (dynobj, p) + filepos, p); | |
2812 | val = GET_WORD (dynobj, p + 12); | |
2813 | if (val == 0) | |
2814 | break; | |
2815 | PUT_WORD (dynobj, val + filepos, p + 12); | |
2816 | p += 16; | |
2817 | } | |
2818 | } | |
2819 | ||
2820 | /* The first entry in the .got section is the address of the | |
2821 | dynamic information, unless this is a shared library. */ | |
2822 | s = bfd_get_section_by_name (dynobj, ".got"); | |
2823 | BFD_ASSERT (s != NULL); | |
eea6121a | 2824 | if (info->shared || sdyn->size == 0) |
252b5132 RH |
2825 | PUT_WORD (dynobj, 0, s->contents); |
2826 | else | |
2827 | PUT_WORD (dynobj, sdyn->output_section->vma + sdyn->output_offset, | |
2828 | s->contents); | |
2829 | ||
2830 | for (o = dynobj->sections; o != NULL; o = o->next) | |
2831 | { | |
2832 | if ((o->flags & SEC_HAS_CONTENTS) != 0 | |
2833 | && o->contents != NULL) | |
2834 | { | |
2835 | BFD_ASSERT (o->output_section != NULL | |
2836 | && o->output_section->owner == abfd); | |
2837 | if (! bfd_set_section_contents (abfd, o->output_section, | |
dc810e39 AM |
2838 | o->contents, |
2839 | (file_ptr) o->output_offset, | |
eea6121a | 2840 | o->size)) |
b34976b6 | 2841 | return FALSE; |
252b5132 RH |
2842 | } |
2843 | } | |
2844 | ||
eea6121a | 2845 | if (sdyn->size > 0) |
252b5132 RH |
2846 | { |
2847 | struct external_sun4_dynamic esd; | |
2848 | struct external_sun4_dynamic_link esdl; | |
dc810e39 | 2849 | file_ptr pos; |
252b5132 RH |
2850 | |
2851 | /* Finish up the dynamic link information. */ | |
2852 | PUT_WORD (dynobj, (bfd_vma) 3, esd.ld_version); | |
2853 | PUT_WORD (dynobj, | |
2854 | sdyn->output_section->vma + sdyn->output_offset + sizeof esd, | |
2855 | esd.ldd); | |
2856 | PUT_WORD (dynobj, | |
2857 | (sdyn->output_section->vma | |
2858 | + sdyn->output_offset | |
2859 | + sizeof esd | |
2860 | + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE), | |
2861 | esd.ld); | |
2862 | ||
2863 | if (! bfd_set_section_contents (abfd, sdyn->output_section, &esd, | |
dc810e39 AM |
2864 | (file_ptr) sdyn->output_offset, |
2865 | (bfd_size_type) sizeof esd)) | |
b34976b6 | 2866 | return FALSE; |
252b5132 RH |
2867 | |
2868 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_loaded); | |
2869 | ||
2870 | s = bfd_get_section_by_name (dynobj, ".need"); | |
eea6121a | 2871 | if (s == NULL || s->size == 0) |
252b5132 RH |
2872 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_need); |
2873 | else | |
2874 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2875 | esdl.ld_need); | |
2876 | ||
2877 | s = bfd_get_section_by_name (dynobj, ".rules"); | |
eea6121a | 2878 | if (s == NULL || s->size == 0) |
252b5132 RH |
2879 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_rules); |
2880 | else | |
2881 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2882 | esdl.ld_rules); | |
2883 | ||
2884 | s = bfd_get_section_by_name (dynobj, ".got"); | |
2885 | BFD_ASSERT (s != NULL); | |
2886 | PUT_WORD (dynobj, s->output_section->vma + s->output_offset, | |
2887 | esdl.ld_got); | |
2888 | ||
2889 | s = bfd_get_section_by_name (dynobj, ".plt"); | |
2890 | BFD_ASSERT (s != NULL); | |
2891 | PUT_WORD (dynobj, s->output_section->vma + s->output_offset, | |
2892 | esdl.ld_plt); | |
eea6121a | 2893 | PUT_WORD (dynobj, s->size, esdl.ld_plt_sz); |
252b5132 RH |
2894 | |
2895 | s = bfd_get_section_by_name (dynobj, ".dynrel"); | |
2896 | BFD_ASSERT (s != NULL); | |
2897 | BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) | |
eea6121a | 2898 | == s->size); |
252b5132 RH |
2899 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, |
2900 | esdl.ld_rel); | |
2901 | ||
2902 | s = bfd_get_section_by_name (dynobj, ".hash"); | |
2903 | BFD_ASSERT (s != NULL); | |
2904 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2905 | esdl.ld_hash); | |
2906 | ||
2907 | s = bfd_get_section_by_name (dynobj, ".dynsym"); | |
2908 | BFD_ASSERT (s != NULL); | |
2909 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2910 | esdl.ld_stab); | |
2911 | ||
2912 | PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_stab_hash); | |
2913 | ||
2914 | PUT_WORD (dynobj, (bfd_vma) sunos_hash_table (info)->bucketcount, | |
2915 | esdl.ld_buckets); | |
2916 | ||
2917 | s = bfd_get_section_by_name (dynobj, ".dynstr"); | |
2918 | BFD_ASSERT (s != NULL); | |
2919 | PUT_WORD (dynobj, s->output_section->filepos + s->output_offset, | |
2920 | esdl.ld_symbols); | |
eea6121a | 2921 | PUT_WORD (dynobj, s->size, esdl.ld_symb_size); |
252b5132 RH |
2922 | |
2923 | /* The size of the text area is the size of the .text section | |
2924 | rounded up to a page boundary. FIXME: Should the page size be | |
2925 | conditional on something? */ | |
2926 | PUT_WORD (dynobj, | |
eea6121a | 2927 | BFD_ALIGN (obj_textsec (abfd)->size, 0x2000), |
252b5132 | 2928 | esdl.ld_text); |
7b82c249 | 2929 | |
dc810e39 AM |
2930 | pos = sdyn->output_offset; |
2931 | pos += sizeof esd + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE; | |
252b5132 | 2932 | if (! bfd_set_section_contents (abfd, sdyn->output_section, &esdl, |
dc810e39 | 2933 | pos, (bfd_size_type) sizeof esdl)) |
b34976b6 | 2934 | return FALSE; |
252b5132 RH |
2935 | |
2936 | abfd->flags |= DYNAMIC; | |
2937 | } | |
2938 | ||
b34976b6 | 2939 | return TRUE; |
252b5132 | 2940 | } |