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252b5132 | 1 | /* SPARC-specific support for 64-bit ELF |
fd67aa11 | 2 | Copyright (C) 1993-2024 Free Software Foundation, Inc. |
252b5132 | 3 | |
ae9a127f | 4 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 5 | |
ae9a127f NC |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 8 | the Free Software Foundation; either version 3 of the License, or |
ae9a127f | 9 | (at your option) any later version. |
252b5132 | 10 | |
ae9a127f NC |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
252b5132 | 15 | |
ae9a127f NC |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
19 | MA 02110-1301, USA. */ | |
252b5132 | 20 | |
252b5132 | 21 | #include "sysdep.h" |
7a6e0d89 | 22 | #include <limits.h> |
3db64b00 | 23 | #include "bfd.h" |
252b5132 RH |
24 | #include "libbfd.h" |
25 | #include "elf-bfd.h" | |
252b5132 | 26 | #include "elf/sparc.h" |
40937810 | 27 | #include "opcode/sparc.h" |
22b75d0a | 28 | #include "elfxx-sparc.h" |
252b5132 RH |
29 | |
30 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ | |
31 | #define MINUS_ONE (~ (bfd_vma) 0) | |
32 | ||
f65054f7 RH |
33 | /* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA |
34 | section can represent up to two relocs, we must tell the user to allocate | |
35 | more space. */ | |
435b1e90 | 36 | |
f65054f7 | 37 | static long |
22b75d0a | 38 | elf64_sparc_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) |
f65054f7 | 39 | { |
a3eb71ad AM |
40 | size_t count, raw; |
41 | ||
42 | count = sec->reloc_count; | |
43 | if (count >= LONG_MAX / 2 / sizeof (arelent *) | |
44 | || _bfd_mul_overflow (count, sizeof (Elf64_External_Rela), &raw)) | |
7a6e0d89 AM |
45 | { |
46 | bfd_set_error (bfd_error_file_too_big); | |
47 | return -1; | |
48 | } | |
a3eb71ad AM |
49 | if (!bfd_write_p (abfd)) |
50 | { | |
51 | ufile_ptr filesize = bfd_get_file_size (abfd); | |
52 | if (filesize != 0 && raw > filesize) | |
53 | { | |
54 | bfd_set_error (bfd_error_file_truncated); | |
55 | return -1; | |
56 | } | |
57 | } | |
58 | return (count * 2 + 1) * sizeof (arelent *); | |
f65054f7 RH |
59 | } |
60 | ||
61 | static long | |
22b75d0a | 62 | elf64_sparc_get_dynamic_reloc_upper_bound (bfd *abfd) |
f65054f7 | 63 | { |
7a6e0d89 AM |
64 | long ret = _bfd_elf_get_dynamic_reloc_upper_bound (abfd); |
65 | if (ret > LONG_MAX / 2) | |
66 | { | |
67 | bfd_set_error (bfd_error_file_too_big); | |
68 | ret = -1; | |
69 | } | |
70 | else if (ret > 0) | |
71 | ret *= 2; | |
72 | return ret; | |
f65054f7 RH |
73 | } |
74 | ||
435b1e90 | 75 | /* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of |
f65054f7 RH |
76 | them. We cannot use generic elf routines for this, because R_SPARC_OLO10 |
77 | has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations | |
78 | for the same location, R_SPARC_LO10 and R_SPARC_13. */ | |
79 | ||
0a1b45a2 | 80 | static bool |
22b75d0a DM |
81 | elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, |
82 | Elf_Internal_Shdr *rel_hdr, | |
0a1b45a2 | 83 | asymbol **symbols, bool dynamic) |
f65054f7 | 84 | { |
2c3fc389 | 85 | void * allocated = NULL; |
f65054f7 RH |
86 | bfd_byte *native_relocs; |
87 | arelent *relent; | |
88 | unsigned int i; | |
89 | int entsize; | |
90 | bfd_size_type count; | |
91 | arelent *relents; | |
92 | ||
2bb3687b | 93 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0) |
0a1b45a2 | 94 | return false; |
2bb3687b | 95 | allocated = _bfd_malloc_and_read (abfd, rel_hdr->sh_size, rel_hdr->sh_size); |
f65054f7 | 96 | if (allocated == NULL) |
0a1b45a2 | 97 | return false; |
f65054f7 RH |
98 | |
99 | native_relocs = (bfd_byte *) allocated; | |
100 | ||
3e1d7f19 | 101 | relents = asect->relocation + canon_reloc_count (asect); |
f65054f7 RH |
102 | |
103 | entsize = rel_hdr->sh_entsize; | |
104 | BFD_ASSERT (entsize == sizeof (Elf64_External_Rela)); | |
435b1e90 | 105 | |
f65054f7 RH |
106 | count = rel_hdr->sh_size / entsize; |
107 | ||
108 | for (i = 0, relent = relents; i < count; | |
109 | i++, relent++, native_relocs += entsize) | |
110 | { | |
111 | Elf_Internal_Rela rela; | |
22b75d0a | 112 | unsigned int r_type; |
f65054f7 | 113 | |
947216bf | 114 | bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela); |
f65054f7 RH |
115 | |
116 | /* The address of an ELF reloc is section relative for an object | |
117 | file, and absolute for an executable file or shared library. | |
118 | The address of a normal BFD reloc is always section relative, | |
119 | and the address of a dynamic reloc is absolute.. */ | |
120 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) | |
121 | relent->address = rela.r_offset; | |
122 | else | |
123 | relent->address = rela.r_offset - asect->vma; | |
124 | ||
8410d65b | 125 | if (ELF64_R_SYM (rela.r_info) == STN_UNDEF) |
f65054f7 | 126 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
8410d65b | 127 | else if (/* PR 17512: file: 996185f8. */ |
4b24dd1a AM |
128 | ELF64_R_SYM (rela.r_info) > (dynamic |
129 | ? bfd_get_dynamic_symcount (abfd) | |
130 | : bfd_get_symcount (abfd))) | |
131 | { | |
132 | _bfd_error_handler | |
8410d65b JM |
133 | /* xgettext:c-format */ |
134 | (_("%pB(%pA): relocation %d has invalid symbol index %ld"), | |
135 | abfd, asect, i, (long) ELF64_R_SYM (rela.r_info)); | |
136 | bfd_set_error (bfd_error_bad_value); | |
137 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
4b24dd1a | 138 | } |
f65054f7 RH |
139 | else |
140 | { | |
141 | asymbol **ps, *s; | |
142 | ||
143 | ps = symbols + ELF64_R_SYM (rela.r_info) - 1; | |
144 | s = *ps; | |
145 | ||
146 | /* Canonicalize ELF section symbols. FIXME: Why? */ | |
147 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
148 | relent->sym_ptr_ptr = ps; | |
149 | else | |
150 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
151 | } | |
152 | ||
153 | relent->addend = rela.r_addend; | |
154 | ||
22b75d0a DM |
155 | r_type = ELF64_R_TYPE_ID (rela.r_info); |
156 | if (r_type == R_SPARC_OLO10) | |
f65054f7 | 157 | { |
0aa13fee | 158 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_LO10); |
f65054f7 RH |
159 | relent[1].address = relent->address; |
160 | relent++; | |
161 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
162 | relent->addend = ELF64_R_TYPE_DATA (rela.r_info); | |
0aa13fee | 163 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_13); |
f65054f7 RH |
164 | } |
165 | else | |
f3185997 NC |
166 | { |
167 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type); | |
168 | if (relent->howto == NULL) | |
169 | goto error_return; | |
170 | } | |
f65054f7 RH |
171 | } |
172 | ||
3e1d7f19 | 173 | canon_reloc_count (asect) += relent - relents; |
f65054f7 | 174 | |
c9594989 | 175 | free (allocated); |
0a1b45a2 | 176 | return true; |
f65054f7 RH |
177 | |
178 | error_return: | |
c9594989 | 179 | free (allocated); |
0a1b45a2 | 180 | return false; |
f65054f7 RH |
181 | } |
182 | ||
183 | /* Read in and swap the external relocs. */ | |
184 | ||
0a1b45a2 | 185 | static bool |
22b75d0a | 186 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
0a1b45a2 | 187 | asymbol **symbols, bool dynamic) |
f65054f7 RH |
188 | { |
189 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
190 | Elf_Internal_Shdr *rel_hdr; | |
191 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 192 | bfd_size_type amt; |
f65054f7 RH |
193 | |
194 | if (asect->relocation != NULL) | |
0a1b45a2 | 195 | return true; |
f65054f7 RH |
196 | |
197 | if (! dynamic) | |
198 | { | |
199 | if ((asect->flags & SEC_RELOC) == 0 | |
200 | || asect->reloc_count == 0) | |
0a1b45a2 | 201 | return true; |
f65054f7 | 202 | |
d4730f92 BS |
203 | rel_hdr = d->rel.hdr; |
204 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 205 | |
d4730f92 | 206 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
207 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
208 | } | |
209 | else | |
210 | { | |
211 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
212 | case because relocations against this section may use the | |
213 | dynamic symbol table, and in that case bfd_section_from_shdr | |
214 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 215 | if (asect->size == 0) |
0a1b45a2 | 216 | return true; |
f65054f7 RH |
217 | |
218 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 219 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
220 | rel_hdr2 = NULL; |
221 | } | |
222 | ||
dc810e39 AM |
223 | amt = asect->reloc_count; |
224 | amt *= 2 * sizeof (arelent); | |
225 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 226 | if (asect->relocation == NULL) |
0a1b45a2 | 227 | return false; |
f65054f7 | 228 | |
22b75d0a | 229 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
230 | canon_reloc_count. */ |
231 | canon_reloc_count (asect) = 0; | |
435b1e90 | 232 | |
d4730f92 BS |
233 | if (rel_hdr |
234 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
235 | dynamic)) | |
0a1b45a2 | 236 | return false; |
435b1e90 KH |
237 | |
238 | if (rel_hdr2 | |
22b75d0a | 239 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 240 | dynamic)) |
0a1b45a2 | 241 | return false; |
f65054f7 | 242 | |
0a1b45a2 | 243 | return true; |
f65054f7 RH |
244 | } |
245 | ||
3e1d7f19 JJ |
246 | /* Canonicalize the relocs. */ |
247 | ||
248 | static long | |
22b75d0a DM |
249 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
250 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
251 | { |
252 | arelent *tblptr; | |
253 | unsigned int i; | |
9c5bfbb7 | 254 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 | 255 | |
0a1b45a2 | 256 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, false)) |
3e1d7f19 JJ |
257 | return -1; |
258 | ||
259 | tblptr = section->relocation; | |
260 | for (i = 0; i < canon_reloc_count (section); i++) | |
261 | *relptr++ = tblptr++; | |
262 | ||
263 | *relptr = NULL; | |
264 | ||
265 | return canon_reloc_count (section); | |
266 | } | |
267 | ||
268 | ||
f65054f7 RH |
269 | /* Canonicalize the dynamic relocation entries. Note that we return |
270 | the dynamic relocations as a single block, although they are | |
271 | actually associated with particular sections; the interface, which | |
272 | was designed for SunOS style shared libraries, expects that there | |
273 | is only one set of dynamic relocs. Any section that was actually | |
274 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
275 | the dynamic symbol table, is considered to be a dynamic reloc | |
276 | section. */ | |
277 | ||
278 | static long | |
22b75d0a DM |
279 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
280 | asymbol **syms) | |
f65054f7 RH |
281 | { |
282 | asection *s; | |
283 | long ret; | |
284 | ||
285 | if (elf_dynsymtab (abfd) == 0) | |
286 | { | |
287 | bfd_set_error (bfd_error_invalid_operation); | |
288 | return -1; | |
289 | } | |
290 | ||
291 | ret = 0; | |
292 | for (s = abfd->sections; s != NULL; s = s->next) | |
293 | { | |
294 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
295 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
296 | { | |
297 | arelent *p; | |
298 | long count, i; | |
299 | ||
0a1b45a2 | 300 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, true)) |
f65054f7 | 301 | return -1; |
3e1d7f19 | 302 | count = canon_reloc_count (s); |
f65054f7 RH |
303 | p = s->relocation; |
304 | for (i = 0; i < count; i++) | |
305 | *storage++ = p++; | |
306 | ret += count; | |
307 | } | |
308 | } | |
309 | ||
310 | *storage = NULL; | |
311 | ||
312 | return ret; | |
313 | } | |
314 | ||
db84b98a JM |
315 | /* Install a new set of internal relocs. */ |
316 | ||
317 | static void | |
318 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
319 | asection *asect, |
320 | arelent **location, | |
321 | unsigned int count) | |
db84b98a JM |
322 | { |
323 | asect->orelocation = location; | |
324 | canon_reloc_count (asect) = count; | |
4f5c4fce AM |
325 | if (count != 0) |
326 | asect->flags |= SEC_RELOC; | |
327 | else | |
328 | asect->flags &= ~SEC_RELOC; | |
db84b98a JM |
329 | } |
330 | ||
f65054f7 RH |
331 | /* Write out the relocs. */ |
332 | ||
333 | static void | |
2c3fc389 | 334 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 335 | { |
0a1b45a2 | 336 | bool *failedp = (bool *) data; |
f65054f7 | 337 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 338 | bfd_vma addr_offset; |
37fb6db1 | 339 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
340 | unsigned int idx, count; |
341 | asymbol *last_sym = 0; | |
342 | int last_sym_idx = 0; | |
343 | ||
344 | /* If we have already failed, don't do anything. */ | |
345 | if (*failedp) | |
346 | return; | |
347 | ||
348 | if ((sec->flags & SEC_RELOC) == 0) | |
349 | return; | |
350 | ||
351 | /* The linker backend writes the relocs out itself, and sets the | |
352 | reloc_count field to zero to inhibit writing them here. Also, | |
353 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
354 | relocs. */ | |
db84b98a | 355 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
356 | return; |
357 | ||
358 | /* We can combine two relocs that refer to the same address | |
359 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
360 | latter is R_SPARC_13 with no associated symbol. */ | |
361 | count = 0; | |
db84b98a | 362 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
363 | { |
364 | bfd_vma addr; | |
f65054f7 RH |
365 | |
366 | ++count; | |
367 | ||
368 | addr = sec->orelocation[idx]->address; | |
369 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 370 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
371 | { |
372 | arelent *r = sec->orelocation[idx + 1]; | |
373 | ||
374 | if (r->howto->type == R_SPARC_13 | |
375 | && r->address == addr | |
376 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
377 | && (*r->sym_ptr_ptr)->value == 0) | |
378 | ++idx; | |
379 | } | |
380 | } | |
381 | ||
d4730f92 | 382 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
383 | |
384 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 385 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
386 | if (rela_hdr->contents == NULL) |
387 | { | |
0a1b45a2 | 388 | *failedp = true; |
f65054f7 RH |
389 | return; |
390 | } | |
391 | ||
392 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
393 | if (rela_hdr->sh_type != SHT_RELA) | |
394 | abort (); | |
395 | ||
22b75d0a DM |
396 | /* The address of an ELF reloc is section relative for an object |
397 | file, and absolute for an executable file or shared library. | |
398 | The address of a BFD reloc is always section relative. */ | |
399 | addr_offset = 0; | |
400 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
401 | addr_offset = sec->vma; | |
402 | ||
435b1e90 | 403 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 404 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 405 | src_rela = outbound_relocas; |
f65054f7 | 406 | |
db84b98a | 407 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
408 | { |
409 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
410 | arelent *ptr; |
411 | asymbol *sym; | |
412 | int n; | |
413 | ||
414 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
415 | sym = *ptr->sym_ptr_ptr; |
416 | if (sym == last_sym) | |
417 | n = last_sym_idx; | |
418 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
419 | n = STN_UNDEF; | |
420 | else | |
421 | { | |
422 | last_sym = sym; | |
423 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
424 | if (n < 0) | |
425 | { | |
0a1b45a2 | 426 | *failedp = true; |
f65054f7 RH |
427 | return; |
428 | } | |
429 | last_sym_idx = n; | |
430 | } | |
431 | ||
432 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
433 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
434 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
435 | { | |
0a1b45a2 | 436 | *failedp = true; |
f65054f7 RH |
437 | return; |
438 | } | |
439 | ||
440 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 441 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
442 | { |
443 | arelent *r = sec->orelocation[idx + 1]; | |
444 | ||
445 | if (r->howto->type == R_SPARC_13 | |
446 | && r->address == ptr->address | |
447 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
448 | && (*r->sym_ptr_ptr)->value == 0) | |
449 | { | |
450 | idx++; | |
451 | dst_rela.r_info | |
452 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
453 | R_SPARC_OLO10)); | |
454 | } | |
455 | else | |
456 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
457 | } | |
458 | else | |
459 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
460 | ||
22b75d0a | 461 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 462 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 463 | |
947216bf | 464 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 465 | ++src_rela; |
f65054f7 | 466 | } |
252b5132 | 467 | } |
587ff49e | 468 | \f |
22b75d0a DM |
469 | /* Hook called by the linker routine which adds symbols from an object |
470 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 471 | |
0a1b45a2 | 472 | static bool |
22b75d0a DM |
473 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, |
474 | Elf_Internal_Sym *sym, const char **namep, | |
475 | flagword *flagsp ATTRIBUTE_UNUSED, | |
476 | asection **secp ATTRIBUTE_UNUSED, | |
477 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 478 | { |
22b75d0a | 479 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 480 | |
22b75d0a DM |
481 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
482 | { | |
483 | int reg; | |
484 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 485 | |
22b75d0a DM |
486 | reg = (int)sym->st_value; |
487 | switch (reg & ~1) | |
488 | { | |
489 | case 2: reg -= 2; break; | |
490 | case 6: reg -= 4; break; | |
491 | default: | |
4eca0228 | 492 | _bfd_error_handler |
38f14ab8 | 493 | (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"), |
07d6d2b8 | 494 | abfd); |
0a1b45a2 | 495 | return false; |
22b75d0a | 496 | } |
40937810 | 497 | |
f13a99db | 498 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 499 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 500 | { |
22b75d0a DM |
501 | /* STT_REGISTER only works when linking an elf64_sparc object. |
502 | If STT_REGISTER comes from a dynamic object, don't put it into | |
503 | the output bfd. The dynamic linker will recheck it. */ | |
504 | *namep = NULL; | |
0a1b45a2 | 505 | return true; |
07d6d2b8 | 506 | } |
40937810 | 507 | |
22b75d0a | 508 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 509 | |
22b75d0a DM |
510 | if (p->name != NULL && strcmp (p->name, *namep)) |
511 | { | |
4eca0228 | 512 | _bfd_error_handler |
695344c0 | 513 | /* xgettext:c-format */ |
38f14ab8 | 514 | (_("register %%g%d used incompatibly: %s in %pB," |
871b3ab2 | 515 | " previously %s in %pB"), |
c08bb8dd AM |
516 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, |
517 | *p->name ? p->name : "#scratch", p->abfd); | |
0a1b45a2 | 518 | return false; |
22b75d0a | 519 | } |
40937810 | 520 | |
22b75d0a DM |
521 | if (p->name == NULL) |
522 | { | |
523 | if (**namep) | |
524 | { | |
525 | struct elf_link_hash_entry *h; | |
40937810 | 526 | |
22b75d0a | 527 | h = (struct elf_link_hash_entry *) |
0a1b45a2 | 528 | bfd_link_hash_lookup (info->hash, *namep, false, false, false); |
40937810 | 529 | |
22b75d0a DM |
530 | if (h != NULL) |
531 | { | |
532 | unsigned char type = h->type; | |
40937810 | 533 | |
22b75d0a DM |
534 | if (type > STT_FUNC) |
535 | type = 0; | |
4eca0228 | 536 | _bfd_error_handler |
695344c0 | 537 | /* xgettext:c-format */ |
38f14ab8 | 538 | (_("symbol `%s' has differing types: REGISTER in %pB," |
871b3ab2 | 539 | " previously %s in %pB"), |
c08bb8dd | 540 | *namep, abfd, stt_types[type], p->abfd); |
0a1b45a2 | 541 | return false; |
22b75d0a | 542 | } |
40937810 | 543 | |
22b75d0a DM |
544 | p->name = bfd_hash_allocate (&info->hash->table, |
545 | strlen (*namep) + 1); | |
546 | if (!p->name) | |
0a1b45a2 | 547 | return false; |
40937810 | 548 | |
22b75d0a DM |
549 | strcpy (p->name, *namep); |
550 | } | |
551 | else | |
552 | p->name = ""; | |
553 | p->bind = ELF_ST_BIND (sym->st_info); | |
554 | p->abfd = abfd; | |
555 | p->shndx = sym->st_shndx; | |
556 | } | |
557 | else | |
558 | { | |
559 | if (p->bind == STB_WEAK | |
560 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
561 | { | |
562 | p->bind = STB_GLOBAL; | |
563 | p->abfd = abfd; | |
564 | } | |
565 | } | |
566 | *namep = NULL; | |
0a1b45a2 | 567 | return true; |
22b75d0a DM |
568 | } |
569 | else if (*namep && **namep | |
f13a99db | 570 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
571 | { |
572 | int i; | |
573 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 574 | |
22b75d0a DM |
575 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
576 | for (i = 0; i < 4; i++, p++) | |
577 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
578 | { | |
579 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 580 | |
22b75d0a DM |
581 | if (type > STT_FUNC) |
582 | type = 0; | |
4eca0228 | 583 | _bfd_error_handler |
695344c0 | 584 | /* xgettext:c-format */ |
871b3ab2 AM |
585 | (_("Symbol `%s' has differing types: %s in %pB," |
586 | " previously REGISTER in %pB"), | |
c08bb8dd | 587 | *namep, stt_types[type], abfd, p->abfd); |
0a1b45a2 | 588 | return false; |
22b75d0a DM |
589 | } |
590 | } | |
0a1b45a2 | 591 | return true; |
40937810 JJ |
592 | } |
593 | ||
22b75d0a DM |
594 | /* This function takes care of emitting STT_REGISTER symbols |
595 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 596 | |
0a1b45a2 | 597 | static bool |
22b75d0a DM |
598 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, |
599 | struct bfd_link_info *info, | |
2c3fc389 NC |
600 | void * flaginfo, |
601 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
602 | Elf_Internal_Sym *, |
603 | asection *, | |
604 | struct elf_link_hash_entry *)) | |
587ff49e | 605 | { |
22b75d0a DM |
606 | int reg; |
607 | struct _bfd_sparc_elf_app_reg *app_regs = | |
608 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
609 | Elf_Internal_Sym sym; | |
40937810 | 610 | |
22b75d0a DM |
611 | for (reg = 0; reg < 4; reg++) |
612 | if (app_regs [reg].name != NULL) | |
613 | { | |
614 | if (info->strip == strip_some | |
615 | && bfd_hash_lookup (info->keep_hash, | |
616 | app_regs [reg].name, | |
0a1b45a2 | 617 | false, false) == NULL) |
22b75d0a | 618 | continue; |
587ff49e | 619 | |
22b75d0a DM |
620 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
621 | sym.st_size = 0; | |
622 | sym.st_other = 0; | |
623 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
624 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 625 | sym.st_target_internal = 0; |
57402f1e | 626 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
627 | sym.st_shndx == SHN_ABS |
628 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
629 | NULL) != 1) | |
0a1b45a2 | 630 | return false; |
22b75d0a | 631 | } |
435b1e90 | 632 | |
0a1b45a2 | 633 | return true; |
22b75d0a | 634 | } |
40937810 | 635 | |
22b75d0a DM |
636 | static int |
637 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 638 | { |
22b75d0a DM |
639 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
640 | return STT_REGISTER; | |
641 | else | |
642 | return type; | |
40937810 JJ |
643 | } |
644 | ||
22b75d0a DM |
645 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
646 | even in SHN_UNDEF section. */ | |
587ff49e | 647 | |
22b75d0a DM |
648 | static void |
649 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 650 | { |
22b75d0a | 651 | elf_symbol_type *elfsym; |
587ff49e | 652 | |
22b75d0a DM |
653 | elfsym = (elf_symbol_type *) asym; |
654 | if (elfsym->internal_elf_sym.st_info | |
655 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 656 | { |
22b75d0a | 657 | asym->flags |= BSF_GLOBAL; |
587ff49e | 658 | } |
587ff49e | 659 | } |
a51a7930 | 660 | |
22b75d0a DM |
661 | \f |
662 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 663 | |
22b75d0a DM |
664 | /* Merge backend specific data from an object file to the output |
665 | object file when linking. */ | |
a51a7930 | 666 | |
0a1b45a2 | 667 | static bool |
50e03d47 | 668 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 669 | { |
50e03d47 | 670 | bfd *obfd = info->output_bfd; |
0a1b45a2 | 671 | bool error; |
22b75d0a DM |
672 | flagword new_flags, old_flags; |
673 | int new_mm, old_mm; | |
40937810 | 674 | |
22b75d0a DM |
675 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
676 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
0a1b45a2 | 677 | return true; |
40937810 | 678 | |
22b75d0a DM |
679 | new_flags = elf_elfheader (ibfd)->e_flags; |
680 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 681 | |
22b75d0a DM |
682 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
683 | { | |
0a1b45a2 | 684 | elf_flags_init (obfd) = true; |
22b75d0a DM |
685 | elf_elfheader (obfd)->e_flags = new_flags; |
686 | } | |
40937810 | 687 | |
22b75d0a DM |
688 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
689 | ; | |
40937810 | 690 | |
07d6d2b8 | 691 | else /* Incompatible flags */ |
40937810 | 692 | { |
0a1b45a2 | 693 | error = false; |
40937810 | 694 | |
22b75d0a DM |
695 | #define EF_SPARC_ISA_EXTENSIONS \ |
696 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 697 | |
37fb6db1 ILT |
698 | if ((ibfd->flags & DYNAMIC) != 0) |
699 | { | |
700 | /* We don't want dynamic objects memory ordering and | |
701 | architecture to have any role. That's what dynamic linker | |
702 | should do. */ | |
19f7b010 | 703 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 704 | new_flags |= (old_flags |
19f7b010 | 705 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
706 | } |
707 | else | |
708 | { | |
709 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
710 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
711 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
712 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
713 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 714 | { |
0a1b45a2 | 715 | error = true; |
4eca0228 | 716 | _bfd_error_handler |
871b3ab2 | 717 | (_("%pB: linking UltraSPARC specific with HAL specific code"), |
d003868e | 718 | ibfd); |
37fb6db1 ILT |
719 | } |
720 | /* Choose the most restrictive memory ordering. */ | |
721 | old_mm = (old_flags & EF_SPARCV9_MM); | |
722 | new_mm = (new_flags & EF_SPARCV9_MM); | |
723 | old_flags &= ~EF_SPARCV9_MM; | |
724 | new_flags &= ~EF_SPARCV9_MM; | |
725 | if (new_mm < old_mm) | |
726 | old_mm = new_mm; | |
727 | old_flags |= old_mm; | |
728 | new_flags |= old_mm; | |
729 | } | |
252b5132 RH |
730 | |
731 | /* Warn about any other mismatches */ | |
732 | if (new_flags != old_flags) | |
07d6d2b8 | 733 | { |
0a1b45a2 | 734 | error = true; |
4eca0228 | 735 | _bfd_error_handler |
695344c0 | 736 | /* xgettext:c-format */ |
871b3ab2 | 737 | (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"), |
07d6d2b8 AM |
738 | ibfd, new_flags, old_flags); |
739 | } | |
252b5132 RH |
740 | |
741 | elf_elfheader (obfd)->e_flags = old_flags; | |
742 | ||
743 | if (error) | |
07d6d2b8 AM |
744 | { |
745 | bfd_set_error (bfd_error_bad_value); | |
0a1b45a2 | 746 | return false; |
07d6d2b8 | 747 | } |
252b5132 | 748 | } |
50e03d47 | 749 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 750 | } |
0594c12d AM |
751 | |
752 | /* MARCO: Set the correct entry size for the .stab section. */ | |
753 | ||
0a1b45a2 | 754 | static bool |
22b75d0a DM |
755 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
756 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
757 | asection *sec) | |
0594c12d AM |
758 | { |
759 | const char *name; | |
760 | ||
fd361982 | 761 | name = bfd_section_name (sec); |
0594c12d AM |
762 | |
763 | if (strcmp (name, ".stab") == 0) | |
764 | { | |
765 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
766 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
767 | } | |
b34976b6 | 768 | |
0a1b45a2 | 769 | return true; |
0594c12d | 770 | } |
587ff49e RH |
771 | \f |
772 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 773 | |
587ff49e | 774 | static const char * |
2c3fc389 | 775 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 776 | asymbol *symbol) |
587ff49e RH |
777 | { |
778 | FILE *file = (FILE *) filep; | |
779 | int reg, type; | |
435b1e90 | 780 | |
587ff49e RH |
781 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
782 | != STT_REGISTER) | |
783 | return NULL; | |
784 | ||
785 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
786 | type = symbol->flags; | |
787 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
788 | ((type & BSF_LOCAL) | |
789 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
790 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
791 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
792 | if (symbol->name == NULL || symbol->name [0] == '\0') |
793 | return "#scratch"; | |
794 | else | |
795 | return symbol->name; | |
796 | } | |
252b5132 | 797 | \f |
b2abe1bd EB |
798 | /* Used to decide how to sort relocs in an optimal manner for the |
799 | dynamic linker, before writing them out. */ | |
800 | ||
40937810 | 801 | static enum elf_reloc_type_class |
b2abe1bd | 802 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info, |
7e612e98 AM |
803 | const asection *rel_sec ATTRIBUTE_UNUSED, |
804 | const Elf_Internal_Rela *rela) | |
40937810 | 805 | { |
b2abe1bd EB |
806 | bfd *abfd = info->output_bfd; |
807 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
808 | struct _bfd_sparc_elf_link_hash_table *htab | |
809 | = _bfd_sparc_elf_hash_table (info); | |
810 | BFD_ASSERT (htab != NULL); | |
811 | ||
812 | if (htab->elf.dynsym != NULL | |
813 | && htab->elf.dynsym->contents != NULL) | |
814 | { | |
815 | /* Check relocation against STT_GNU_IFUNC symbol if there are | |
816 | dynamic symbols. */ | |
817 | unsigned long r_symndx = htab->r_symndx (rela->r_info); | |
818 | if (r_symndx != STN_UNDEF) | |
819 | { | |
820 | Elf_Internal_Sym sym; | |
821 | if (!bed->s->swap_symbol_in (abfd, | |
822 | (htab->elf.dynsym->contents | |
823 | + r_symndx * bed->s->sizeof_sym), | |
824 | 0, &sym)) | |
825 | abort (); | |
826 | ||
827 | if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC) | |
828 | return reloc_class_ifunc; | |
829 | } | |
830 | } | |
831 | ||
40937810 JJ |
832 | switch ((int) ELF64_R_TYPE (rela->r_info)) |
833 | { | |
b2abe1bd EB |
834 | case R_SPARC_IRELATIVE: |
835 | return reloc_class_ifunc; | |
40937810 JJ |
836 | case R_SPARC_RELATIVE: |
837 | return reloc_class_relative; | |
838 | case R_SPARC_JMP_SLOT: | |
839 | return reloc_class_plt; | |
840 | case R_SPARC_COPY: | |
841 | return reloc_class_copy; | |
842 | default: | |
843 | return reloc_class_normal; | |
844 | } | |
845 | } | |
846 | ||
f65054f7 RH |
847 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
848 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
849 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
850 | relocation handling routines. */ | |
851 | ||
22b75d0a | 852 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
853 | { |
854 | sizeof (Elf64_External_Ehdr), | |
855 | sizeof (Elf64_External_Phdr), | |
856 | sizeof (Elf64_External_Shdr), | |
857 | sizeof (Elf64_External_Rel), | |
858 | sizeof (Elf64_External_Rela), | |
859 | sizeof (Elf64_External_Sym), | |
860 | sizeof (Elf64_External_Dyn), | |
861 | sizeof (Elf_External_Note), | |
ae9a127f NC |
862 | 4, /* hash-table entry size. */ |
863 | /* Internal relocations per external relocations. | |
f65054f7 RH |
864 | For link purposes we use just 1 internal per |
865 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 866 | we use 2. */ |
f65054f7 | 867 | 1, |
ae9a127f | 868 | 64, /* arch_size. */ |
45d6a902 | 869 | 3, /* log_file_align. */ |
f65054f7 RH |
870 | ELFCLASS64, |
871 | EV_CURRENT, | |
872 | bfd_elf64_write_out_phdrs, | |
873 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 874 | bfd_elf64_checksum_contents, |
22b75d0a | 875 | elf64_sparc_write_relocs, |
73ff0d56 | 876 | bfd_elf64_swap_symbol_in, |
f65054f7 | 877 | bfd_elf64_swap_symbol_out, |
22b75d0a | 878 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
879 | bfd_elf64_slurp_symbol_table, |
880 | bfd_elf64_swap_dyn_in, | |
881 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
882 | bfd_elf64_swap_reloc_in, |
883 | bfd_elf64_swap_reloc_out, | |
884 | bfd_elf64_swap_reloca_in, | |
885 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
886 | }; |
887 | ||
6d00b590 | 888 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
889 | #define TARGET_BIG_NAME "elf64-sparc" |
890 | #define ELF_ARCH bfd_arch_sparc | |
891 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 892 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
893 | |
894 | /* This is the official ABI value. */ | |
895 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
896 | ||
897 | /* This is the value that we used before the ABI was released. */ | |
898 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
899 | ||
22b75d0a DM |
900 | #define elf_backend_reloc_type_class \ |
901 | elf64_sparc_reloc_type_class | |
f65054f7 | 902 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 903 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 904 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 905 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 906 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 907 | elf64_sparc_canonicalize_reloc |
f65054f7 | 908 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 909 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
910 | #define bfd_elf64_set_reloc \ |
911 | elf64_sparc_set_reloc | |
22b75d0a DM |
912 | #define elf_backend_add_symbol_hook \ |
913 | elf64_sparc_add_symbol_hook | |
914 | #define elf_backend_get_symbol_type \ | |
915 | elf64_sparc_get_symbol_type | |
916 | #define elf_backend_symbol_processing \ | |
917 | elf64_sparc_symbol_processing | |
918 | #define elf_backend_print_symbol_all \ | |
919 | elf64_sparc_print_symbol_all | |
920 | #define elf_backend_output_arch_syms \ | |
921 | elf64_sparc_output_arch_syms | |
922 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
923 | elf64_sparc_merge_private_bfd_data | |
924 | #define elf_backend_fake_sections \ | |
925 | elf64_sparc_fake_sections | |
926 | #define elf_backend_size_info \ | |
927 | elf64_sparc_size_info | |
928 | ||
929 | #define elf_backend_plt_sym_val \ | |
930 | _bfd_sparc_elf_plt_sym_val | |
931 | #define bfd_elf64_bfd_link_hash_table_create \ | |
932 | _bfd_sparc_elf_link_hash_table_create | |
933 | #define elf_info_to_howto \ | |
934 | _bfd_sparc_elf_info_to_howto | |
935 | #define elf_backend_copy_indirect_symbol \ | |
936 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 937 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 938 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
939 | #define bfd_elf64_bfd_reloc_name_lookup \ |
940 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 941 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 942 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 943 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 944 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
945 | |
946 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 947 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
948 | #define elf_backend_relocs_compatible \ |
949 | _bfd_elf_relocs_compatible | |
252b5132 | 950 | #define elf_backend_check_relocs \ |
22b75d0a | 951 | _bfd_sparc_elf_check_relocs |
252b5132 | 952 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 953 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 954 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 955 | _bfd_sparc_elf_omit_section_dynsym |
af969b14 AM |
956 | #define elf_backend_late_size_sections \ |
957 | _bfd_sparc_elf_late_size_sections | |
252b5132 | 958 | #define elf_backend_relocate_section \ |
22b75d0a | 959 | _bfd_sparc_elf_relocate_section |
252b5132 | 960 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 961 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 962 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 963 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
964 | #define elf_backend_fixup_symbol \ |
965 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 966 | |
40937810 | 967 | #define bfd_elf64_mkobject \ |
22b75d0a | 968 | _bfd_sparc_elf_mkobject |
252b5132 | 969 | #define elf_backend_object_p \ |
22b75d0a | 970 | _bfd_sparc_elf_object_p |
40937810 | 971 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 972 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
973 | #define elf_backend_init_index_section \ |
974 | _bfd_elf_init_1_index_section | |
252b5132 | 975 | |
40937810 JJ |
976 | #define elf_backend_can_gc_sections 1 |
977 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
978 | #define elf_backend_want_got_plt 0 |
979 | #define elf_backend_plt_readonly 0 | |
980 | #define elf_backend_want_plt_sym 1 | |
40937810 | 981 | #define elf_backend_got_header_size 8 |
5474d94f | 982 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 983 | #define elf_backend_rela_normal 1 |
252b5132 RH |
984 | |
985 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
986 | #define elf_backend_plt_alignment 8 | |
987 | ||
252b5132 | 988 | #include "elf64-target.h" |
71a75f6f MF |
989 | |
990 | /* FreeBSD support */ | |
991 | #undef TARGET_BIG_SYM | |
6d00b590 | 992 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
993 | #undef TARGET_BIG_NAME |
994 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
995 | #undef ELF_OSABI |
996 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 997 | |
71a75f6f MF |
998 | #undef elf64_bed |
999 | #define elf64_bed elf64_sparc_fbsd_bed | |
1000 | ||
1001 | #include "elf64-target.h" | |
1002 | ||
1360ba76 RO |
1003 | /* Solaris 2. */ |
1004 | ||
1005 | #undef TARGET_BIG_SYM | |
6d00b590 | 1006 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
1007 | #undef TARGET_BIG_NAME |
1008 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
1009 | ||
1010 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
1011 | objects won't be recognized. */ | |
1012 | #undef ELF_OSABI | |
1013 | ||
1014 | #undef elf64_bed | |
1015 | #define elf64_bed elf64_sparc_sol2_bed | |
1016 | ||
1017 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
1018 | boundary. */ | |
1019 | #undef elf_backend_static_tls_alignment | |
1020 | #define elf_backend_static_tls_alignment 16 | |
1021 | ||
168bb188 LB |
1022 | #undef elf_backend_strtab_flags |
1023 | #define elf_backend_strtab_flags SHF_STRINGS | |
1024 | ||
0a1b45a2 | 1025 | static bool |
168bb188 LB |
1026 | elf64_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED, |
1027 | bfd *obfd ATTRIBUTE_UNUSED, | |
1028 | const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED, | |
1029 | Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED) | |
1030 | { | |
1031 | /* PR 19938: FIXME: Need to add code for setting the sh_info | |
1032 | and sh_link fields of Solaris specific section types. */ | |
0a1b45a2 | 1033 | return false; |
168bb188 LB |
1034 | } |
1035 | ||
1036 | #undef elf_backend_copy_special_section_fields | |
1037 | #define elf_backend_copy_special_section_fields elf64_sparc_copy_solaris_special_section_fields | |
1038 | ||
1360ba76 | 1039 | #include "elf64-target.h" |
168bb188 LB |
1040 | |
1041 | #undef elf_backend_strtab_flags | |
1042 | #undef elf_backend_copy_special_section_fields |