Commit | Line | Data |
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252b5132 | 1 | /* SPARC-specific support for 64-bit ELF |
82704155 | 2 | Copyright (C) 1993-2019 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 | |
7a6e0d89 AM |
37 | #if GCC_VERSION >= 4003 |
38 | # pragma GCC diagnostic push | |
39 | # pragma GCC diagnostic ignored "-Wtype-limits" | |
40 | #endif | |
f65054f7 | 41 | static long |
22b75d0a | 42 | elf64_sparc_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) |
f65054f7 | 43 | { |
7a6e0d89 AM |
44 | if (sec->reloc_count >= LONG_MAX / 2 / sizeof (arelent *)) |
45 | { | |
46 | bfd_set_error (bfd_error_file_too_big); | |
47 | return -1; | |
48 | } | |
f65054f7 RH |
49 | return (sec->reloc_count * 2 + 1) * sizeof (arelent *); |
50 | } | |
7a6e0d89 AM |
51 | #if GCC_VERSION >= 4003 |
52 | # pragma GCC diagnostic pop | |
53 | #endif | |
f65054f7 RH |
54 | |
55 | static long | |
22b75d0a | 56 | elf64_sparc_get_dynamic_reloc_upper_bound (bfd *abfd) |
f65054f7 | 57 | { |
7a6e0d89 AM |
58 | long ret = _bfd_elf_get_dynamic_reloc_upper_bound (abfd); |
59 | if (ret > LONG_MAX / 2) | |
60 | { | |
61 | bfd_set_error (bfd_error_file_too_big); | |
62 | ret = -1; | |
63 | } | |
64 | else if (ret > 0) | |
65 | ret *= 2; | |
66 | return ret; | |
f65054f7 RH |
67 | } |
68 | ||
435b1e90 | 69 | /* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of |
f65054f7 RH |
70 | them. We cannot use generic elf routines for this, because R_SPARC_OLO10 |
71 | has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations | |
72 | for the same location, R_SPARC_LO10 and R_SPARC_13. */ | |
73 | ||
b34976b6 | 74 | static bfd_boolean |
22b75d0a DM |
75 | elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, |
76 | Elf_Internal_Shdr *rel_hdr, | |
77 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 | 78 | { |
2c3fc389 | 79 | void * allocated = NULL; |
f65054f7 RH |
80 | bfd_byte *native_relocs; |
81 | arelent *relent; | |
82 | unsigned int i; | |
83 | int entsize; | |
84 | bfd_size_type count; | |
85 | arelent *relents; | |
86 | ||
2c3fc389 | 87 | allocated = bfd_malloc (rel_hdr->sh_size); |
f65054f7 RH |
88 | if (allocated == NULL) |
89 | goto error_return; | |
90 | ||
91 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 | |
dc810e39 | 92 | || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size) |
f65054f7 RH |
93 | goto error_return; |
94 | ||
95 | native_relocs = (bfd_byte *) allocated; | |
96 | ||
3e1d7f19 | 97 | relents = asect->relocation + canon_reloc_count (asect); |
f65054f7 RH |
98 | |
99 | entsize = rel_hdr->sh_entsize; | |
100 | BFD_ASSERT (entsize == sizeof (Elf64_External_Rela)); | |
435b1e90 | 101 | |
f65054f7 RH |
102 | count = rel_hdr->sh_size / entsize; |
103 | ||
104 | for (i = 0, relent = relents; i < count; | |
105 | i++, relent++, native_relocs += entsize) | |
106 | { | |
107 | Elf_Internal_Rela rela; | |
22b75d0a | 108 | unsigned int r_type; |
f65054f7 | 109 | |
947216bf | 110 | bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela); |
f65054f7 RH |
111 | |
112 | /* The address of an ELF reloc is section relative for an object | |
113 | file, and absolute for an executable file or shared library. | |
114 | The address of a normal BFD reloc is always section relative, | |
115 | and the address of a dynamic reloc is absolute.. */ | |
116 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) | |
117 | relent->address = rela.r_offset; | |
118 | else | |
119 | relent->address = rela.r_offset - asect->vma; | |
120 | ||
8410d65b | 121 | if (ELF64_R_SYM (rela.r_info) == STN_UNDEF) |
f65054f7 | 122 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
8410d65b JM |
123 | else if (/* PR 17512: file: 996185f8. */ |
124 | (!dynamic && ELF64_R_SYM(rela.r_info) > bfd_get_symcount(abfd)) | |
125 | || (dynamic | |
126 | && ELF64_R_SYM(rela.r_info) > bfd_get_dynamic_symcount(abfd))) | |
127 | { | |
128 | _bfd_error_handler | |
129 | /* xgettext:c-format */ | |
130 | (_("%pB(%pA): relocation %d has invalid symbol index %ld"), | |
131 | abfd, asect, i, (long) ELF64_R_SYM (rela.r_info)); | |
132 | bfd_set_error (bfd_error_bad_value); | |
133 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
134 | } | |
f65054f7 RH |
135 | else |
136 | { | |
137 | asymbol **ps, *s; | |
138 | ||
139 | ps = symbols + ELF64_R_SYM (rela.r_info) - 1; | |
140 | s = *ps; | |
141 | ||
142 | /* Canonicalize ELF section symbols. FIXME: Why? */ | |
143 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
144 | relent->sym_ptr_ptr = ps; | |
145 | else | |
146 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
147 | } | |
148 | ||
149 | relent->addend = rela.r_addend; | |
150 | ||
22b75d0a DM |
151 | r_type = ELF64_R_TYPE_ID (rela.r_info); |
152 | if (r_type == R_SPARC_OLO10) | |
f65054f7 | 153 | { |
0aa13fee | 154 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_LO10); |
f65054f7 RH |
155 | relent[1].address = relent->address; |
156 | relent++; | |
157 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
158 | relent->addend = ELF64_R_TYPE_DATA (rela.r_info); | |
0aa13fee | 159 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_13); |
f65054f7 RH |
160 | } |
161 | else | |
f3185997 NC |
162 | { |
163 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type); | |
164 | if (relent->howto == NULL) | |
165 | goto error_return; | |
166 | } | |
f65054f7 RH |
167 | } |
168 | ||
3e1d7f19 | 169 | canon_reloc_count (asect) += relent - relents; |
f65054f7 RH |
170 | |
171 | if (allocated != NULL) | |
172 | free (allocated); | |
173 | ||
b34976b6 | 174 | return TRUE; |
f65054f7 RH |
175 | |
176 | error_return: | |
177 | if (allocated != NULL) | |
178 | free (allocated); | |
b34976b6 | 179 | return FALSE; |
f65054f7 RH |
180 | } |
181 | ||
182 | /* Read in and swap the external relocs. */ | |
183 | ||
b34976b6 | 184 | static bfd_boolean |
22b75d0a DM |
185 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
186 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 RH |
187 | { |
188 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
189 | Elf_Internal_Shdr *rel_hdr; | |
190 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 191 | bfd_size_type amt; |
f65054f7 RH |
192 | |
193 | if (asect->relocation != NULL) | |
b34976b6 | 194 | return TRUE; |
f65054f7 RH |
195 | |
196 | if (! dynamic) | |
197 | { | |
198 | if ((asect->flags & SEC_RELOC) == 0 | |
199 | || asect->reloc_count == 0) | |
b34976b6 | 200 | return TRUE; |
f65054f7 | 201 | |
d4730f92 BS |
202 | rel_hdr = d->rel.hdr; |
203 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 204 | |
d4730f92 | 205 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
206 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
207 | } | |
208 | else | |
209 | { | |
210 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
211 | case because relocations against this section may use the | |
212 | dynamic symbol table, and in that case bfd_section_from_shdr | |
213 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 214 | if (asect->size == 0) |
b34976b6 | 215 | return TRUE; |
f65054f7 RH |
216 | |
217 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 218 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
219 | rel_hdr2 = NULL; |
220 | } | |
221 | ||
dc810e39 AM |
222 | amt = asect->reloc_count; |
223 | amt *= 2 * sizeof (arelent); | |
224 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 225 | if (asect->relocation == NULL) |
b34976b6 | 226 | return FALSE; |
f65054f7 | 227 | |
22b75d0a | 228 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
229 | canon_reloc_count. */ |
230 | canon_reloc_count (asect) = 0; | |
435b1e90 | 231 | |
d4730f92 BS |
232 | if (rel_hdr |
233 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
234 | dynamic)) | |
b34976b6 | 235 | return FALSE; |
435b1e90 KH |
236 | |
237 | if (rel_hdr2 | |
22b75d0a | 238 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 239 | dynamic)) |
b34976b6 | 240 | return FALSE; |
f65054f7 | 241 | |
b34976b6 | 242 | return TRUE; |
f65054f7 RH |
243 | } |
244 | ||
3e1d7f19 JJ |
245 | /* Canonicalize the relocs. */ |
246 | ||
247 | static long | |
22b75d0a DM |
248 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
249 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
250 | { |
251 | arelent *tblptr; | |
252 | unsigned int i; | |
9c5bfbb7 | 253 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 JJ |
254 | |
255 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) | |
256 | return -1; | |
257 | ||
258 | tblptr = section->relocation; | |
259 | for (i = 0; i < canon_reloc_count (section); i++) | |
260 | *relptr++ = tblptr++; | |
261 | ||
262 | *relptr = NULL; | |
263 | ||
264 | return canon_reloc_count (section); | |
265 | } | |
266 | ||
267 | ||
f65054f7 RH |
268 | /* Canonicalize the dynamic relocation entries. Note that we return |
269 | the dynamic relocations as a single block, although they are | |
270 | actually associated with particular sections; the interface, which | |
271 | was designed for SunOS style shared libraries, expects that there | |
272 | is only one set of dynamic relocs. Any section that was actually | |
273 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
274 | the dynamic symbol table, is considered to be a dynamic reloc | |
275 | section. */ | |
276 | ||
277 | static long | |
22b75d0a DM |
278 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
279 | asymbol **syms) | |
f65054f7 RH |
280 | { |
281 | asection *s; | |
282 | long ret; | |
283 | ||
284 | if (elf_dynsymtab (abfd) == 0) | |
285 | { | |
286 | bfd_set_error (bfd_error_invalid_operation); | |
287 | return -1; | |
288 | } | |
289 | ||
290 | ret = 0; | |
291 | for (s = abfd->sections; s != NULL; s = s->next) | |
292 | { | |
293 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
294 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
295 | { | |
296 | arelent *p; | |
297 | long count, i; | |
298 | ||
22b75d0a | 299 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, TRUE)) |
f65054f7 | 300 | return -1; |
3e1d7f19 | 301 | count = canon_reloc_count (s); |
f65054f7 RH |
302 | p = s->relocation; |
303 | for (i = 0; i < count; i++) | |
304 | *storage++ = p++; | |
305 | ret += count; | |
306 | } | |
307 | } | |
308 | ||
309 | *storage = NULL; | |
310 | ||
311 | return ret; | |
312 | } | |
313 | ||
db84b98a JM |
314 | /* Install a new set of internal relocs. */ |
315 | ||
316 | static void | |
317 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
318 | asection *asect, |
319 | arelent **location, | |
320 | unsigned int count) | |
db84b98a JM |
321 | { |
322 | asect->orelocation = location; | |
323 | canon_reloc_count (asect) = count; | |
324 | } | |
325 | ||
f65054f7 RH |
326 | /* Write out the relocs. */ |
327 | ||
328 | static void | |
2c3fc389 | 329 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 330 | { |
b34976b6 | 331 | bfd_boolean *failedp = (bfd_boolean *) data; |
f65054f7 | 332 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 333 | bfd_vma addr_offset; |
37fb6db1 | 334 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
335 | unsigned int idx, count; |
336 | asymbol *last_sym = 0; | |
337 | int last_sym_idx = 0; | |
338 | ||
339 | /* If we have already failed, don't do anything. */ | |
340 | if (*failedp) | |
341 | return; | |
342 | ||
343 | if ((sec->flags & SEC_RELOC) == 0) | |
344 | return; | |
345 | ||
346 | /* The linker backend writes the relocs out itself, and sets the | |
347 | reloc_count field to zero to inhibit writing them here. Also, | |
348 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
349 | relocs. */ | |
db84b98a | 350 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
351 | return; |
352 | ||
353 | /* We can combine two relocs that refer to the same address | |
354 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
355 | latter is R_SPARC_13 with no associated symbol. */ | |
356 | count = 0; | |
db84b98a | 357 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
358 | { |
359 | bfd_vma addr; | |
f65054f7 RH |
360 | |
361 | ++count; | |
362 | ||
363 | addr = sec->orelocation[idx]->address; | |
364 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 365 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
366 | { |
367 | arelent *r = sec->orelocation[idx + 1]; | |
368 | ||
369 | if (r->howto->type == R_SPARC_13 | |
370 | && r->address == addr | |
371 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
372 | && (*r->sym_ptr_ptr)->value == 0) | |
373 | ++idx; | |
374 | } | |
375 | } | |
376 | ||
d4730f92 | 377 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
378 | |
379 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 380 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
381 | if (rela_hdr->contents == NULL) |
382 | { | |
b34976b6 | 383 | *failedp = TRUE; |
f65054f7 RH |
384 | return; |
385 | } | |
386 | ||
387 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
388 | if (rela_hdr->sh_type != SHT_RELA) | |
389 | abort (); | |
390 | ||
22b75d0a DM |
391 | /* The address of an ELF reloc is section relative for an object |
392 | file, and absolute for an executable file or shared library. | |
393 | The address of a BFD reloc is always section relative. */ | |
394 | addr_offset = 0; | |
395 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
396 | addr_offset = sec->vma; | |
397 | ||
435b1e90 | 398 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 399 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 400 | src_rela = outbound_relocas; |
f65054f7 | 401 | |
db84b98a | 402 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
403 | { |
404 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
405 | arelent *ptr; |
406 | asymbol *sym; | |
407 | int n; | |
408 | ||
409 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
410 | sym = *ptr->sym_ptr_ptr; |
411 | if (sym == last_sym) | |
412 | n = last_sym_idx; | |
413 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
414 | n = STN_UNDEF; | |
415 | else | |
416 | { | |
417 | last_sym = sym; | |
418 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
419 | if (n < 0) | |
420 | { | |
b34976b6 | 421 | *failedp = TRUE; |
f65054f7 RH |
422 | return; |
423 | } | |
424 | last_sym_idx = n; | |
425 | } | |
426 | ||
427 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
428 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
429 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
430 | { | |
b34976b6 | 431 | *failedp = TRUE; |
f65054f7 RH |
432 | return; |
433 | } | |
434 | ||
435 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 436 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
437 | { |
438 | arelent *r = sec->orelocation[idx + 1]; | |
439 | ||
440 | if (r->howto->type == R_SPARC_13 | |
441 | && r->address == ptr->address | |
442 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
443 | && (*r->sym_ptr_ptr)->value == 0) | |
444 | { | |
445 | idx++; | |
446 | dst_rela.r_info | |
447 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
448 | R_SPARC_OLO10)); | |
449 | } | |
450 | else | |
451 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
452 | } | |
453 | else | |
454 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
455 | ||
22b75d0a | 456 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 457 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 458 | |
947216bf | 459 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 460 | ++src_rela; |
f65054f7 | 461 | } |
252b5132 | 462 | } |
587ff49e | 463 | \f |
22b75d0a DM |
464 | /* Hook called by the linker routine which adds symbols from an object |
465 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 466 | |
22b75d0a DM |
467 | static bfd_boolean |
468 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, | |
469 | Elf_Internal_Sym *sym, const char **namep, | |
470 | flagword *flagsp ATTRIBUTE_UNUSED, | |
471 | asection **secp ATTRIBUTE_UNUSED, | |
472 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 473 | { |
22b75d0a | 474 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 475 | |
22b75d0a DM |
476 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
477 | { | |
478 | int reg; | |
479 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 480 | |
22b75d0a DM |
481 | reg = (int)sym->st_value; |
482 | switch (reg & ~1) | |
483 | { | |
484 | case 2: reg -= 2; break; | |
485 | case 6: reg -= 4; break; | |
486 | default: | |
4eca0228 | 487 | _bfd_error_handler |
38f14ab8 | 488 | (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"), |
07d6d2b8 | 489 | abfd); |
22b75d0a DM |
490 | return FALSE; |
491 | } | |
40937810 | 492 | |
f13a99db | 493 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 494 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 495 | { |
22b75d0a DM |
496 | /* STT_REGISTER only works when linking an elf64_sparc object. |
497 | If STT_REGISTER comes from a dynamic object, don't put it into | |
498 | the output bfd. The dynamic linker will recheck it. */ | |
499 | *namep = NULL; | |
500 | return TRUE; | |
07d6d2b8 | 501 | } |
40937810 | 502 | |
22b75d0a | 503 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 504 | |
22b75d0a DM |
505 | if (p->name != NULL && strcmp (p->name, *namep)) |
506 | { | |
4eca0228 | 507 | _bfd_error_handler |
695344c0 | 508 | /* xgettext:c-format */ |
38f14ab8 | 509 | (_("register %%g%d used incompatibly: %s in %pB," |
871b3ab2 | 510 | " previously %s in %pB"), |
c08bb8dd AM |
511 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, |
512 | *p->name ? p->name : "#scratch", p->abfd); | |
22b75d0a DM |
513 | return FALSE; |
514 | } | |
40937810 | 515 | |
22b75d0a DM |
516 | if (p->name == NULL) |
517 | { | |
518 | if (**namep) | |
519 | { | |
520 | struct elf_link_hash_entry *h; | |
40937810 | 521 | |
22b75d0a DM |
522 | h = (struct elf_link_hash_entry *) |
523 | bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE); | |
40937810 | 524 | |
22b75d0a DM |
525 | if (h != NULL) |
526 | { | |
527 | unsigned char type = h->type; | |
40937810 | 528 | |
22b75d0a DM |
529 | if (type > STT_FUNC) |
530 | type = 0; | |
4eca0228 | 531 | _bfd_error_handler |
695344c0 | 532 | /* xgettext:c-format */ |
38f14ab8 | 533 | (_("symbol `%s' has differing types: REGISTER in %pB," |
871b3ab2 | 534 | " previously %s in %pB"), |
c08bb8dd | 535 | *namep, abfd, stt_types[type], p->abfd); |
22b75d0a DM |
536 | return FALSE; |
537 | } | |
40937810 | 538 | |
22b75d0a DM |
539 | p->name = bfd_hash_allocate (&info->hash->table, |
540 | strlen (*namep) + 1); | |
541 | if (!p->name) | |
542 | return FALSE; | |
40937810 | 543 | |
22b75d0a DM |
544 | strcpy (p->name, *namep); |
545 | } | |
546 | else | |
547 | p->name = ""; | |
548 | p->bind = ELF_ST_BIND (sym->st_info); | |
549 | p->abfd = abfd; | |
550 | p->shndx = sym->st_shndx; | |
551 | } | |
552 | else | |
553 | { | |
554 | if (p->bind == STB_WEAK | |
555 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
556 | { | |
557 | p->bind = STB_GLOBAL; | |
558 | p->abfd = abfd; | |
559 | } | |
560 | } | |
561 | *namep = NULL; | |
562 | return TRUE; | |
563 | } | |
564 | else if (*namep && **namep | |
f13a99db | 565 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
566 | { |
567 | int i; | |
568 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 569 | |
22b75d0a DM |
570 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
571 | for (i = 0; i < 4; i++, p++) | |
572 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
573 | { | |
574 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 575 | |
22b75d0a DM |
576 | if (type > STT_FUNC) |
577 | type = 0; | |
4eca0228 | 578 | _bfd_error_handler |
695344c0 | 579 | /* xgettext:c-format */ |
871b3ab2 AM |
580 | (_("Symbol `%s' has differing types: %s in %pB," |
581 | " previously REGISTER in %pB"), | |
c08bb8dd | 582 | *namep, stt_types[type], abfd, p->abfd); |
22b75d0a DM |
583 | return FALSE; |
584 | } | |
585 | } | |
40937810 JJ |
586 | return TRUE; |
587 | } | |
588 | ||
22b75d0a DM |
589 | /* This function takes care of emitting STT_REGISTER symbols |
590 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 591 | |
22b75d0a DM |
592 | static bfd_boolean |
593 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, | |
594 | struct bfd_link_info *info, | |
2c3fc389 NC |
595 | void * flaginfo, |
596 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
597 | Elf_Internal_Sym *, |
598 | asection *, | |
599 | struct elf_link_hash_entry *)) | |
587ff49e | 600 | { |
22b75d0a DM |
601 | int reg; |
602 | struct _bfd_sparc_elf_app_reg *app_regs = | |
603 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
604 | Elf_Internal_Sym sym; | |
40937810 | 605 | |
22b75d0a DM |
606 | for (reg = 0; reg < 4; reg++) |
607 | if (app_regs [reg].name != NULL) | |
608 | { | |
609 | if (info->strip == strip_some | |
610 | && bfd_hash_lookup (info->keep_hash, | |
611 | app_regs [reg].name, | |
612 | FALSE, FALSE) == NULL) | |
613 | continue; | |
587ff49e | 614 | |
22b75d0a DM |
615 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
616 | sym.st_size = 0; | |
617 | sym.st_other = 0; | |
618 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
619 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 620 | sym.st_target_internal = 0; |
57402f1e | 621 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
622 | sym.st_shndx == SHN_ABS |
623 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
624 | NULL) != 1) | |
22b75d0a DM |
625 | return FALSE; |
626 | } | |
435b1e90 | 627 | |
22b75d0a DM |
628 | return TRUE; |
629 | } | |
40937810 | 630 | |
22b75d0a DM |
631 | static int |
632 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 633 | { |
22b75d0a DM |
634 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
635 | return STT_REGISTER; | |
636 | else | |
637 | return type; | |
40937810 JJ |
638 | } |
639 | ||
22b75d0a DM |
640 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
641 | even in SHN_UNDEF section. */ | |
587ff49e | 642 | |
22b75d0a DM |
643 | static void |
644 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 645 | { |
22b75d0a | 646 | elf_symbol_type *elfsym; |
587ff49e | 647 | |
22b75d0a DM |
648 | elfsym = (elf_symbol_type *) asym; |
649 | if (elfsym->internal_elf_sym.st_info | |
650 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 651 | { |
22b75d0a | 652 | asym->flags |= BSF_GLOBAL; |
587ff49e | 653 | } |
587ff49e | 654 | } |
a51a7930 | 655 | |
22b75d0a DM |
656 | \f |
657 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 658 | |
22b75d0a DM |
659 | /* Merge backend specific data from an object file to the output |
660 | object file when linking. */ | |
a51a7930 EB |
661 | |
662 | static bfd_boolean | |
50e03d47 | 663 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 664 | { |
50e03d47 | 665 | bfd *obfd = info->output_bfd; |
22b75d0a DM |
666 | bfd_boolean error; |
667 | flagword new_flags, old_flags; | |
668 | int new_mm, old_mm; | |
40937810 | 669 | |
22b75d0a DM |
670 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
671 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
672 | return TRUE; | |
40937810 | 673 | |
22b75d0a DM |
674 | new_flags = elf_elfheader (ibfd)->e_flags; |
675 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 676 | |
22b75d0a DM |
677 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
678 | { | |
679 | elf_flags_init (obfd) = TRUE; | |
680 | elf_elfheader (obfd)->e_flags = new_flags; | |
681 | } | |
40937810 | 682 | |
22b75d0a DM |
683 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
684 | ; | |
40937810 | 685 | |
07d6d2b8 | 686 | else /* Incompatible flags */ |
40937810 | 687 | { |
22b75d0a | 688 | error = FALSE; |
40937810 | 689 | |
22b75d0a DM |
690 | #define EF_SPARC_ISA_EXTENSIONS \ |
691 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 692 | |
37fb6db1 ILT |
693 | if ((ibfd->flags & DYNAMIC) != 0) |
694 | { | |
695 | /* We don't want dynamic objects memory ordering and | |
696 | architecture to have any role. That's what dynamic linker | |
697 | should do. */ | |
19f7b010 | 698 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 699 | new_flags |= (old_flags |
19f7b010 | 700 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
701 | } |
702 | else | |
703 | { | |
704 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
705 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
706 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
707 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
708 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 709 | { |
b34976b6 | 710 | error = TRUE; |
4eca0228 | 711 | _bfd_error_handler |
871b3ab2 | 712 | (_("%pB: linking UltraSPARC specific with HAL specific code"), |
d003868e | 713 | ibfd); |
37fb6db1 ILT |
714 | } |
715 | /* Choose the most restrictive memory ordering. */ | |
716 | old_mm = (old_flags & EF_SPARCV9_MM); | |
717 | new_mm = (new_flags & EF_SPARCV9_MM); | |
718 | old_flags &= ~EF_SPARCV9_MM; | |
719 | new_flags &= ~EF_SPARCV9_MM; | |
720 | if (new_mm < old_mm) | |
721 | old_mm = new_mm; | |
722 | old_flags |= old_mm; | |
723 | new_flags |= old_mm; | |
724 | } | |
252b5132 RH |
725 | |
726 | /* Warn about any other mismatches */ | |
727 | if (new_flags != old_flags) | |
07d6d2b8 AM |
728 | { |
729 | error = TRUE; | |
4eca0228 | 730 | _bfd_error_handler |
695344c0 | 731 | /* xgettext:c-format */ |
871b3ab2 | 732 | (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"), |
07d6d2b8 AM |
733 | ibfd, new_flags, old_flags); |
734 | } | |
252b5132 RH |
735 | |
736 | elf_elfheader (obfd)->e_flags = old_flags; | |
737 | ||
738 | if (error) | |
07d6d2b8 AM |
739 | { |
740 | bfd_set_error (bfd_error_bad_value); | |
741 | return FALSE; | |
742 | } | |
252b5132 | 743 | } |
50e03d47 | 744 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 745 | } |
0594c12d AM |
746 | |
747 | /* MARCO: Set the correct entry size for the .stab section. */ | |
748 | ||
b34976b6 | 749 | static bfd_boolean |
22b75d0a DM |
750 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
751 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
752 | asection *sec) | |
0594c12d AM |
753 | { |
754 | const char *name; | |
755 | ||
756 | name = bfd_get_section_name (abfd, sec); | |
757 | ||
758 | if (strcmp (name, ".stab") == 0) | |
759 | { | |
760 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
761 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
762 | } | |
b34976b6 AM |
763 | |
764 | return TRUE; | |
0594c12d | 765 | } |
587ff49e RH |
766 | \f |
767 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 768 | |
587ff49e | 769 | static const char * |
2c3fc389 | 770 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 771 | asymbol *symbol) |
587ff49e RH |
772 | { |
773 | FILE *file = (FILE *) filep; | |
774 | int reg, type; | |
435b1e90 | 775 | |
587ff49e RH |
776 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
777 | != STT_REGISTER) | |
778 | return NULL; | |
779 | ||
780 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
781 | type = symbol->flags; | |
782 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
783 | ((type & BSF_LOCAL) | |
784 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
785 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
786 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
787 | if (symbol->name == NULL || symbol->name [0] == '\0') |
788 | return "#scratch"; | |
789 | else | |
790 | return symbol->name; | |
791 | } | |
252b5132 | 792 | \f |
b2abe1bd EB |
793 | /* Used to decide how to sort relocs in an optimal manner for the |
794 | dynamic linker, before writing them out. */ | |
795 | ||
40937810 | 796 | static enum elf_reloc_type_class |
b2abe1bd | 797 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info, |
7e612e98 AM |
798 | const asection *rel_sec ATTRIBUTE_UNUSED, |
799 | const Elf_Internal_Rela *rela) | |
40937810 | 800 | { |
b2abe1bd EB |
801 | bfd *abfd = info->output_bfd; |
802 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
803 | struct _bfd_sparc_elf_link_hash_table *htab | |
804 | = _bfd_sparc_elf_hash_table (info); | |
805 | BFD_ASSERT (htab != NULL); | |
806 | ||
807 | if (htab->elf.dynsym != NULL | |
808 | && htab->elf.dynsym->contents != NULL) | |
809 | { | |
810 | /* Check relocation against STT_GNU_IFUNC symbol if there are | |
811 | dynamic symbols. */ | |
812 | unsigned long r_symndx = htab->r_symndx (rela->r_info); | |
813 | if (r_symndx != STN_UNDEF) | |
814 | { | |
815 | Elf_Internal_Sym sym; | |
816 | if (!bed->s->swap_symbol_in (abfd, | |
817 | (htab->elf.dynsym->contents | |
818 | + r_symndx * bed->s->sizeof_sym), | |
819 | 0, &sym)) | |
820 | abort (); | |
821 | ||
822 | if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC) | |
823 | return reloc_class_ifunc; | |
824 | } | |
825 | } | |
826 | ||
40937810 JJ |
827 | switch ((int) ELF64_R_TYPE (rela->r_info)) |
828 | { | |
b2abe1bd EB |
829 | case R_SPARC_IRELATIVE: |
830 | return reloc_class_ifunc; | |
40937810 JJ |
831 | case R_SPARC_RELATIVE: |
832 | return reloc_class_relative; | |
833 | case R_SPARC_JMP_SLOT: | |
834 | return reloc_class_plt; | |
835 | case R_SPARC_COPY: | |
836 | return reloc_class_copy; | |
837 | default: | |
838 | return reloc_class_normal; | |
839 | } | |
840 | } | |
841 | ||
f65054f7 RH |
842 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
843 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
844 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
845 | relocation handling routines. */ | |
846 | ||
22b75d0a | 847 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
848 | { |
849 | sizeof (Elf64_External_Ehdr), | |
850 | sizeof (Elf64_External_Phdr), | |
851 | sizeof (Elf64_External_Shdr), | |
852 | sizeof (Elf64_External_Rel), | |
853 | sizeof (Elf64_External_Rela), | |
854 | sizeof (Elf64_External_Sym), | |
855 | sizeof (Elf64_External_Dyn), | |
856 | sizeof (Elf_External_Note), | |
ae9a127f NC |
857 | 4, /* hash-table entry size. */ |
858 | /* Internal relocations per external relocations. | |
f65054f7 RH |
859 | For link purposes we use just 1 internal per |
860 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 861 | we use 2. */ |
f65054f7 | 862 | 1, |
ae9a127f | 863 | 64, /* arch_size. */ |
45d6a902 | 864 | 3, /* log_file_align. */ |
f65054f7 RH |
865 | ELFCLASS64, |
866 | EV_CURRENT, | |
867 | bfd_elf64_write_out_phdrs, | |
868 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 869 | bfd_elf64_checksum_contents, |
22b75d0a | 870 | elf64_sparc_write_relocs, |
73ff0d56 | 871 | bfd_elf64_swap_symbol_in, |
f65054f7 | 872 | bfd_elf64_swap_symbol_out, |
22b75d0a | 873 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
874 | bfd_elf64_slurp_symbol_table, |
875 | bfd_elf64_swap_dyn_in, | |
876 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
877 | bfd_elf64_swap_reloc_in, |
878 | bfd_elf64_swap_reloc_out, | |
879 | bfd_elf64_swap_reloca_in, | |
880 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
881 | }; |
882 | ||
6d00b590 | 883 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
884 | #define TARGET_BIG_NAME "elf64-sparc" |
885 | #define ELF_ARCH bfd_arch_sparc | |
886 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 887 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
888 | |
889 | /* This is the official ABI value. */ | |
890 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
891 | ||
892 | /* This is the value that we used before the ABI was released. */ | |
893 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
894 | ||
22b75d0a DM |
895 | #define elf_backend_reloc_type_class \ |
896 | elf64_sparc_reloc_type_class | |
f65054f7 | 897 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 898 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 899 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 900 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 901 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 902 | elf64_sparc_canonicalize_reloc |
f65054f7 | 903 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 904 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
905 | #define bfd_elf64_set_reloc \ |
906 | elf64_sparc_set_reloc | |
22b75d0a DM |
907 | #define elf_backend_add_symbol_hook \ |
908 | elf64_sparc_add_symbol_hook | |
909 | #define elf_backend_get_symbol_type \ | |
910 | elf64_sparc_get_symbol_type | |
911 | #define elf_backend_symbol_processing \ | |
912 | elf64_sparc_symbol_processing | |
913 | #define elf_backend_print_symbol_all \ | |
914 | elf64_sparc_print_symbol_all | |
915 | #define elf_backend_output_arch_syms \ | |
916 | elf64_sparc_output_arch_syms | |
917 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
918 | elf64_sparc_merge_private_bfd_data | |
919 | #define elf_backend_fake_sections \ | |
920 | elf64_sparc_fake_sections | |
921 | #define elf_backend_size_info \ | |
922 | elf64_sparc_size_info | |
923 | ||
924 | #define elf_backend_plt_sym_val \ | |
925 | _bfd_sparc_elf_plt_sym_val | |
926 | #define bfd_elf64_bfd_link_hash_table_create \ | |
927 | _bfd_sparc_elf_link_hash_table_create | |
928 | #define elf_info_to_howto \ | |
929 | _bfd_sparc_elf_info_to_howto | |
930 | #define elf_backend_copy_indirect_symbol \ | |
931 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 932 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 933 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
934 | #define bfd_elf64_bfd_reloc_name_lookup \ |
935 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 936 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 937 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 938 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 939 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
940 | |
941 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 942 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
943 | #define elf_backend_relocs_compatible \ |
944 | _bfd_elf_relocs_compatible | |
252b5132 | 945 | #define elf_backend_check_relocs \ |
22b75d0a | 946 | _bfd_sparc_elf_check_relocs |
252b5132 | 947 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 948 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 949 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 950 | _bfd_sparc_elf_omit_section_dynsym |
252b5132 | 951 | #define elf_backend_size_dynamic_sections \ |
22b75d0a | 952 | _bfd_sparc_elf_size_dynamic_sections |
252b5132 | 953 | #define elf_backend_relocate_section \ |
22b75d0a | 954 | _bfd_sparc_elf_relocate_section |
252b5132 | 955 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 956 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 957 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 958 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
959 | #define elf_backend_fixup_symbol \ |
960 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 961 | |
40937810 | 962 | #define bfd_elf64_mkobject \ |
22b75d0a | 963 | _bfd_sparc_elf_mkobject |
252b5132 | 964 | #define elf_backend_object_p \ |
22b75d0a | 965 | _bfd_sparc_elf_object_p |
40937810 | 966 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 967 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
968 | #define elf_backend_init_index_section \ |
969 | _bfd_elf_init_1_index_section | |
252b5132 | 970 | |
40937810 JJ |
971 | #define elf_backend_can_gc_sections 1 |
972 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
973 | #define elf_backend_want_got_plt 0 |
974 | #define elf_backend_plt_readonly 0 | |
975 | #define elf_backend_want_plt_sym 1 | |
40937810 | 976 | #define elf_backend_got_header_size 8 |
5474d94f | 977 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 978 | #define elf_backend_rela_normal 1 |
252b5132 RH |
979 | |
980 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
981 | #define elf_backend_plt_alignment 8 | |
982 | ||
252b5132 | 983 | #include "elf64-target.h" |
71a75f6f MF |
984 | |
985 | /* FreeBSD support */ | |
986 | #undef TARGET_BIG_SYM | |
6d00b590 | 987 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
988 | #undef TARGET_BIG_NAME |
989 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
990 | #undef ELF_OSABI |
991 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 992 | |
71a75f6f MF |
993 | #undef elf64_bed |
994 | #define elf64_bed elf64_sparc_fbsd_bed | |
995 | ||
996 | #include "elf64-target.h" | |
997 | ||
1360ba76 RO |
998 | /* Solaris 2. */ |
999 | ||
1000 | #undef TARGET_BIG_SYM | |
6d00b590 | 1001 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
1002 | #undef TARGET_BIG_NAME |
1003 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
1004 | ||
1005 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
1006 | objects won't be recognized. */ | |
1007 | #undef ELF_OSABI | |
1008 | ||
1009 | #undef elf64_bed | |
1010 | #define elf64_bed elf64_sparc_sol2_bed | |
1011 | ||
1012 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
1013 | boundary. */ | |
1014 | #undef elf_backend_static_tls_alignment | |
1015 | #define elf_backend_static_tls_alignment 16 | |
1016 | ||
1017 | #include "elf64-target.h" |