Commit | Line | Data |
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252b5132 | 1 | /* SPARC-specific support for 64-bit ELF |
b3adc24a | 2 | Copyright (C) 1993-2020 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 | { |
242a1159 | 40 | #if SIZEOF_LONG == SIZEOF_INT |
7a6e0d89 AM |
41 | if (sec->reloc_count >= LONG_MAX / 2 / sizeof (arelent *)) |
42 | { | |
43 | bfd_set_error (bfd_error_file_too_big); | |
44 | return -1; | |
45 | } | |
242a1159 | 46 | #endif |
f65054f7 RH |
47 | return (sec->reloc_count * 2 + 1) * sizeof (arelent *); |
48 | } | |
49 | ||
50 | static long | |
22b75d0a | 51 | elf64_sparc_get_dynamic_reloc_upper_bound (bfd *abfd) |
f65054f7 | 52 | { |
7a6e0d89 AM |
53 | long ret = _bfd_elf_get_dynamic_reloc_upper_bound (abfd); |
54 | if (ret > LONG_MAX / 2) | |
55 | { | |
56 | bfd_set_error (bfd_error_file_too_big); | |
57 | ret = -1; | |
58 | } | |
59 | else if (ret > 0) | |
60 | ret *= 2; | |
61 | return ret; | |
f65054f7 RH |
62 | } |
63 | ||
435b1e90 | 64 | /* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of |
f65054f7 RH |
65 | them. We cannot use generic elf routines for this, because R_SPARC_OLO10 |
66 | has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations | |
67 | for the same location, R_SPARC_LO10 and R_SPARC_13. */ | |
68 | ||
b34976b6 | 69 | static bfd_boolean |
22b75d0a DM |
70 | elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, |
71 | Elf_Internal_Shdr *rel_hdr, | |
72 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 | 73 | { |
2c3fc389 | 74 | void * allocated = NULL; |
f65054f7 RH |
75 | bfd_byte *native_relocs; |
76 | arelent *relent; | |
77 | unsigned int i; | |
78 | int entsize; | |
79 | bfd_size_type count; | |
80 | arelent *relents; | |
81 | ||
2bb3687b AM |
82 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0) |
83 | return FALSE; | |
84 | allocated = _bfd_malloc_and_read (abfd, rel_hdr->sh_size, rel_hdr->sh_size); | |
f65054f7 | 85 | if (allocated == NULL) |
2bb3687b | 86 | return FALSE; |
f65054f7 RH |
87 | |
88 | native_relocs = (bfd_byte *) allocated; | |
89 | ||
3e1d7f19 | 90 | relents = asect->relocation + canon_reloc_count (asect); |
f65054f7 RH |
91 | |
92 | entsize = rel_hdr->sh_entsize; | |
93 | BFD_ASSERT (entsize == sizeof (Elf64_External_Rela)); | |
435b1e90 | 94 | |
f65054f7 RH |
95 | count = rel_hdr->sh_size / entsize; |
96 | ||
97 | for (i = 0, relent = relents; i < count; | |
98 | i++, relent++, native_relocs += entsize) | |
99 | { | |
100 | Elf_Internal_Rela rela; | |
22b75d0a | 101 | unsigned int r_type; |
f65054f7 | 102 | |
947216bf | 103 | bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela); |
f65054f7 RH |
104 | |
105 | /* The address of an ELF reloc is section relative for an object | |
106 | file, and absolute for an executable file or shared library. | |
107 | The address of a normal BFD reloc is always section relative, | |
108 | and the address of a dynamic reloc is absolute.. */ | |
109 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) | |
110 | relent->address = rela.r_offset; | |
111 | else | |
112 | relent->address = rela.r_offset - asect->vma; | |
113 | ||
8410d65b | 114 | if (ELF64_R_SYM (rela.r_info) == STN_UNDEF) |
f65054f7 | 115 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
8410d65b | 116 | else if (/* PR 17512: file: 996185f8. */ |
4b24dd1a AM |
117 | ELF64_R_SYM (rela.r_info) > (dynamic |
118 | ? bfd_get_dynamic_symcount (abfd) | |
119 | : bfd_get_symcount (abfd))) | |
120 | { | |
121 | _bfd_error_handler | |
8410d65b JM |
122 | /* xgettext:c-format */ |
123 | (_("%pB(%pA): relocation %d has invalid symbol index %ld"), | |
124 | abfd, asect, i, (long) ELF64_R_SYM (rela.r_info)); | |
125 | bfd_set_error (bfd_error_bad_value); | |
126 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
4b24dd1a | 127 | } |
f65054f7 RH |
128 | else |
129 | { | |
130 | asymbol **ps, *s; | |
131 | ||
132 | ps = symbols + ELF64_R_SYM (rela.r_info) - 1; | |
133 | s = *ps; | |
134 | ||
135 | /* Canonicalize ELF section symbols. FIXME: Why? */ | |
136 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
137 | relent->sym_ptr_ptr = ps; | |
138 | else | |
139 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
140 | } | |
141 | ||
142 | relent->addend = rela.r_addend; | |
143 | ||
22b75d0a DM |
144 | r_type = ELF64_R_TYPE_ID (rela.r_info); |
145 | if (r_type == R_SPARC_OLO10) | |
f65054f7 | 146 | { |
0aa13fee | 147 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_LO10); |
f65054f7 RH |
148 | relent[1].address = relent->address; |
149 | relent++; | |
150 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
151 | relent->addend = ELF64_R_TYPE_DATA (rela.r_info); | |
0aa13fee | 152 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_13); |
f65054f7 RH |
153 | } |
154 | else | |
f3185997 NC |
155 | { |
156 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type); | |
157 | if (relent->howto == NULL) | |
158 | goto error_return; | |
159 | } | |
f65054f7 RH |
160 | } |
161 | ||
3e1d7f19 | 162 | canon_reloc_count (asect) += relent - relents; |
f65054f7 RH |
163 | |
164 | if (allocated != NULL) | |
165 | free (allocated); | |
166 | ||
b34976b6 | 167 | return TRUE; |
f65054f7 RH |
168 | |
169 | error_return: | |
170 | if (allocated != NULL) | |
171 | free (allocated); | |
b34976b6 | 172 | return FALSE; |
f65054f7 RH |
173 | } |
174 | ||
175 | /* Read in and swap the external relocs. */ | |
176 | ||
b34976b6 | 177 | static bfd_boolean |
22b75d0a DM |
178 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
179 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 RH |
180 | { |
181 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
182 | Elf_Internal_Shdr *rel_hdr; | |
183 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 184 | bfd_size_type amt; |
f65054f7 RH |
185 | |
186 | if (asect->relocation != NULL) | |
b34976b6 | 187 | return TRUE; |
f65054f7 RH |
188 | |
189 | if (! dynamic) | |
190 | { | |
191 | if ((asect->flags & SEC_RELOC) == 0 | |
192 | || asect->reloc_count == 0) | |
b34976b6 | 193 | return TRUE; |
f65054f7 | 194 | |
d4730f92 BS |
195 | rel_hdr = d->rel.hdr; |
196 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 197 | |
d4730f92 | 198 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
199 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
200 | } | |
201 | else | |
202 | { | |
203 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
204 | case because relocations against this section may use the | |
205 | dynamic symbol table, and in that case bfd_section_from_shdr | |
206 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 207 | if (asect->size == 0) |
b34976b6 | 208 | return TRUE; |
f65054f7 RH |
209 | |
210 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 211 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
212 | rel_hdr2 = NULL; |
213 | } | |
214 | ||
dc810e39 AM |
215 | amt = asect->reloc_count; |
216 | amt *= 2 * sizeof (arelent); | |
217 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 218 | if (asect->relocation == NULL) |
b34976b6 | 219 | return FALSE; |
f65054f7 | 220 | |
22b75d0a | 221 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
222 | canon_reloc_count. */ |
223 | canon_reloc_count (asect) = 0; | |
435b1e90 | 224 | |
d4730f92 BS |
225 | if (rel_hdr |
226 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
227 | dynamic)) | |
b34976b6 | 228 | return FALSE; |
435b1e90 KH |
229 | |
230 | if (rel_hdr2 | |
22b75d0a | 231 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 232 | dynamic)) |
b34976b6 | 233 | return FALSE; |
f65054f7 | 234 | |
b34976b6 | 235 | return TRUE; |
f65054f7 RH |
236 | } |
237 | ||
3e1d7f19 JJ |
238 | /* Canonicalize the relocs. */ |
239 | ||
240 | static long | |
22b75d0a DM |
241 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
242 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
243 | { |
244 | arelent *tblptr; | |
245 | unsigned int i; | |
9c5bfbb7 | 246 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 JJ |
247 | |
248 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) | |
249 | return -1; | |
250 | ||
251 | tblptr = section->relocation; | |
252 | for (i = 0; i < canon_reloc_count (section); i++) | |
253 | *relptr++ = tblptr++; | |
254 | ||
255 | *relptr = NULL; | |
256 | ||
257 | return canon_reloc_count (section); | |
258 | } | |
259 | ||
260 | ||
f65054f7 RH |
261 | /* Canonicalize the dynamic relocation entries. Note that we return |
262 | the dynamic relocations as a single block, although they are | |
263 | actually associated with particular sections; the interface, which | |
264 | was designed for SunOS style shared libraries, expects that there | |
265 | is only one set of dynamic relocs. Any section that was actually | |
266 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
267 | the dynamic symbol table, is considered to be a dynamic reloc | |
268 | section. */ | |
269 | ||
270 | static long | |
22b75d0a DM |
271 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
272 | asymbol **syms) | |
f65054f7 RH |
273 | { |
274 | asection *s; | |
275 | long ret; | |
276 | ||
277 | if (elf_dynsymtab (abfd) == 0) | |
278 | { | |
279 | bfd_set_error (bfd_error_invalid_operation); | |
280 | return -1; | |
281 | } | |
282 | ||
283 | ret = 0; | |
284 | for (s = abfd->sections; s != NULL; s = s->next) | |
285 | { | |
286 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
287 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
288 | { | |
289 | arelent *p; | |
290 | long count, i; | |
291 | ||
22b75d0a | 292 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, TRUE)) |
f65054f7 | 293 | return -1; |
3e1d7f19 | 294 | count = canon_reloc_count (s); |
f65054f7 RH |
295 | p = s->relocation; |
296 | for (i = 0; i < count; i++) | |
297 | *storage++ = p++; | |
298 | ret += count; | |
299 | } | |
300 | } | |
301 | ||
302 | *storage = NULL; | |
303 | ||
304 | return ret; | |
305 | } | |
306 | ||
db84b98a JM |
307 | /* Install a new set of internal relocs. */ |
308 | ||
309 | static void | |
310 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
311 | asection *asect, |
312 | arelent **location, | |
313 | unsigned int count) | |
db84b98a JM |
314 | { |
315 | asect->orelocation = location; | |
316 | canon_reloc_count (asect) = count; | |
317 | } | |
318 | ||
f65054f7 RH |
319 | /* Write out the relocs. */ |
320 | ||
321 | static void | |
2c3fc389 | 322 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 323 | { |
b34976b6 | 324 | bfd_boolean *failedp = (bfd_boolean *) data; |
f65054f7 | 325 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 326 | bfd_vma addr_offset; |
37fb6db1 | 327 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
328 | unsigned int idx, count; |
329 | asymbol *last_sym = 0; | |
330 | int last_sym_idx = 0; | |
331 | ||
332 | /* If we have already failed, don't do anything. */ | |
333 | if (*failedp) | |
334 | return; | |
335 | ||
336 | if ((sec->flags & SEC_RELOC) == 0) | |
337 | return; | |
338 | ||
339 | /* The linker backend writes the relocs out itself, and sets the | |
340 | reloc_count field to zero to inhibit writing them here. Also, | |
341 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
342 | relocs. */ | |
db84b98a | 343 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
344 | return; |
345 | ||
346 | /* We can combine two relocs that refer to the same address | |
347 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
348 | latter is R_SPARC_13 with no associated symbol. */ | |
349 | count = 0; | |
db84b98a | 350 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
351 | { |
352 | bfd_vma addr; | |
f65054f7 RH |
353 | |
354 | ++count; | |
355 | ||
356 | addr = sec->orelocation[idx]->address; | |
357 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 358 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
359 | { |
360 | arelent *r = sec->orelocation[idx + 1]; | |
361 | ||
362 | if (r->howto->type == R_SPARC_13 | |
363 | && r->address == addr | |
364 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
365 | && (*r->sym_ptr_ptr)->value == 0) | |
366 | ++idx; | |
367 | } | |
368 | } | |
369 | ||
d4730f92 | 370 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
371 | |
372 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 373 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
374 | if (rela_hdr->contents == NULL) |
375 | { | |
b34976b6 | 376 | *failedp = TRUE; |
f65054f7 RH |
377 | return; |
378 | } | |
379 | ||
380 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
381 | if (rela_hdr->sh_type != SHT_RELA) | |
382 | abort (); | |
383 | ||
22b75d0a DM |
384 | /* The address of an ELF reloc is section relative for an object |
385 | file, and absolute for an executable file or shared library. | |
386 | The address of a BFD reloc is always section relative. */ | |
387 | addr_offset = 0; | |
388 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
389 | addr_offset = sec->vma; | |
390 | ||
435b1e90 | 391 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 392 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 393 | src_rela = outbound_relocas; |
f65054f7 | 394 | |
db84b98a | 395 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
396 | { |
397 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
398 | arelent *ptr; |
399 | asymbol *sym; | |
400 | int n; | |
401 | ||
402 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
403 | sym = *ptr->sym_ptr_ptr; |
404 | if (sym == last_sym) | |
405 | n = last_sym_idx; | |
406 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
407 | n = STN_UNDEF; | |
408 | else | |
409 | { | |
410 | last_sym = sym; | |
411 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
412 | if (n < 0) | |
413 | { | |
b34976b6 | 414 | *failedp = TRUE; |
f65054f7 RH |
415 | return; |
416 | } | |
417 | last_sym_idx = n; | |
418 | } | |
419 | ||
420 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
421 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
422 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
423 | { | |
b34976b6 | 424 | *failedp = TRUE; |
f65054f7 RH |
425 | return; |
426 | } | |
427 | ||
428 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 429 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
430 | { |
431 | arelent *r = sec->orelocation[idx + 1]; | |
432 | ||
433 | if (r->howto->type == R_SPARC_13 | |
434 | && r->address == ptr->address | |
435 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
436 | && (*r->sym_ptr_ptr)->value == 0) | |
437 | { | |
438 | idx++; | |
439 | dst_rela.r_info | |
440 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
441 | R_SPARC_OLO10)); | |
442 | } | |
443 | else | |
444 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
445 | } | |
446 | else | |
447 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
448 | ||
22b75d0a | 449 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 450 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 451 | |
947216bf | 452 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 453 | ++src_rela; |
f65054f7 | 454 | } |
252b5132 | 455 | } |
587ff49e | 456 | \f |
22b75d0a DM |
457 | /* Hook called by the linker routine which adds symbols from an object |
458 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 459 | |
22b75d0a DM |
460 | static bfd_boolean |
461 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, | |
462 | Elf_Internal_Sym *sym, const char **namep, | |
463 | flagword *flagsp ATTRIBUTE_UNUSED, | |
464 | asection **secp ATTRIBUTE_UNUSED, | |
465 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 466 | { |
22b75d0a | 467 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 468 | |
22b75d0a DM |
469 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
470 | { | |
471 | int reg; | |
472 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 473 | |
22b75d0a DM |
474 | reg = (int)sym->st_value; |
475 | switch (reg & ~1) | |
476 | { | |
477 | case 2: reg -= 2; break; | |
478 | case 6: reg -= 4; break; | |
479 | default: | |
4eca0228 | 480 | _bfd_error_handler |
38f14ab8 | 481 | (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"), |
07d6d2b8 | 482 | abfd); |
22b75d0a DM |
483 | return FALSE; |
484 | } | |
40937810 | 485 | |
f13a99db | 486 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 487 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 488 | { |
22b75d0a DM |
489 | /* STT_REGISTER only works when linking an elf64_sparc object. |
490 | If STT_REGISTER comes from a dynamic object, don't put it into | |
491 | the output bfd. The dynamic linker will recheck it. */ | |
492 | *namep = NULL; | |
493 | return TRUE; | |
07d6d2b8 | 494 | } |
40937810 | 495 | |
22b75d0a | 496 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 497 | |
22b75d0a DM |
498 | if (p->name != NULL && strcmp (p->name, *namep)) |
499 | { | |
4eca0228 | 500 | _bfd_error_handler |
695344c0 | 501 | /* xgettext:c-format */ |
38f14ab8 | 502 | (_("register %%g%d used incompatibly: %s in %pB," |
871b3ab2 | 503 | " previously %s in %pB"), |
c08bb8dd AM |
504 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, |
505 | *p->name ? p->name : "#scratch", p->abfd); | |
22b75d0a DM |
506 | return FALSE; |
507 | } | |
40937810 | 508 | |
22b75d0a DM |
509 | if (p->name == NULL) |
510 | { | |
511 | if (**namep) | |
512 | { | |
513 | struct elf_link_hash_entry *h; | |
40937810 | 514 | |
22b75d0a DM |
515 | h = (struct elf_link_hash_entry *) |
516 | bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE); | |
40937810 | 517 | |
22b75d0a DM |
518 | if (h != NULL) |
519 | { | |
520 | unsigned char type = h->type; | |
40937810 | 521 | |
22b75d0a DM |
522 | if (type > STT_FUNC) |
523 | type = 0; | |
4eca0228 | 524 | _bfd_error_handler |
695344c0 | 525 | /* xgettext:c-format */ |
38f14ab8 | 526 | (_("symbol `%s' has differing types: REGISTER in %pB," |
871b3ab2 | 527 | " previously %s in %pB"), |
c08bb8dd | 528 | *namep, abfd, stt_types[type], p->abfd); |
22b75d0a DM |
529 | return FALSE; |
530 | } | |
40937810 | 531 | |
22b75d0a DM |
532 | p->name = bfd_hash_allocate (&info->hash->table, |
533 | strlen (*namep) + 1); | |
534 | if (!p->name) | |
535 | return FALSE; | |
40937810 | 536 | |
22b75d0a DM |
537 | strcpy (p->name, *namep); |
538 | } | |
539 | else | |
540 | p->name = ""; | |
541 | p->bind = ELF_ST_BIND (sym->st_info); | |
542 | p->abfd = abfd; | |
543 | p->shndx = sym->st_shndx; | |
544 | } | |
545 | else | |
546 | { | |
547 | if (p->bind == STB_WEAK | |
548 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
549 | { | |
550 | p->bind = STB_GLOBAL; | |
551 | p->abfd = abfd; | |
552 | } | |
553 | } | |
554 | *namep = NULL; | |
555 | return TRUE; | |
556 | } | |
557 | else if (*namep && **namep | |
f13a99db | 558 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
559 | { |
560 | int i; | |
561 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 562 | |
22b75d0a DM |
563 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
564 | for (i = 0; i < 4; i++, p++) | |
565 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
566 | { | |
567 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 568 | |
22b75d0a DM |
569 | if (type > STT_FUNC) |
570 | type = 0; | |
4eca0228 | 571 | _bfd_error_handler |
695344c0 | 572 | /* xgettext:c-format */ |
871b3ab2 AM |
573 | (_("Symbol `%s' has differing types: %s in %pB," |
574 | " previously REGISTER in %pB"), | |
c08bb8dd | 575 | *namep, stt_types[type], abfd, p->abfd); |
22b75d0a DM |
576 | return FALSE; |
577 | } | |
578 | } | |
40937810 JJ |
579 | return TRUE; |
580 | } | |
581 | ||
22b75d0a DM |
582 | /* This function takes care of emitting STT_REGISTER symbols |
583 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 584 | |
22b75d0a DM |
585 | static bfd_boolean |
586 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, | |
587 | struct bfd_link_info *info, | |
2c3fc389 NC |
588 | void * flaginfo, |
589 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
590 | Elf_Internal_Sym *, |
591 | asection *, | |
592 | struct elf_link_hash_entry *)) | |
587ff49e | 593 | { |
22b75d0a DM |
594 | int reg; |
595 | struct _bfd_sparc_elf_app_reg *app_regs = | |
596 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
597 | Elf_Internal_Sym sym; | |
40937810 | 598 | |
22b75d0a DM |
599 | for (reg = 0; reg < 4; reg++) |
600 | if (app_regs [reg].name != NULL) | |
601 | { | |
602 | if (info->strip == strip_some | |
603 | && bfd_hash_lookup (info->keep_hash, | |
604 | app_regs [reg].name, | |
605 | FALSE, FALSE) == NULL) | |
606 | continue; | |
587ff49e | 607 | |
22b75d0a DM |
608 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
609 | sym.st_size = 0; | |
610 | sym.st_other = 0; | |
611 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
612 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 613 | sym.st_target_internal = 0; |
57402f1e | 614 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
615 | sym.st_shndx == SHN_ABS |
616 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
617 | NULL) != 1) | |
22b75d0a DM |
618 | return FALSE; |
619 | } | |
435b1e90 | 620 | |
22b75d0a DM |
621 | return TRUE; |
622 | } | |
40937810 | 623 | |
22b75d0a DM |
624 | static int |
625 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 626 | { |
22b75d0a DM |
627 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
628 | return STT_REGISTER; | |
629 | else | |
630 | return type; | |
40937810 JJ |
631 | } |
632 | ||
22b75d0a DM |
633 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
634 | even in SHN_UNDEF section. */ | |
587ff49e | 635 | |
22b75d0a DM |
636 | static void |
637 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 638 | { |
22b75d0a | 639 | elf_symbol_type *elfsym; |
587ff49e | 640 | |
22b75d0a DM |
641 | elfsym = (elf_symbol_type *) asym; |
642 | if (elfsym->internal_elf_sym.st_info | |
643 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 644 | { |
22b75d0a | 645 | asym->flags |= BSF_GLOBAL; |
587ff49e | 646 | } |
587ff49e | 647 | } |
a51a7930 | 648 | |
22b75d0a DM |
649 | \f |
650 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 651 | |
22b75d0a DM |
652 | /* Merge backend specific data from an object file to the output |
653 | object file when linking. */ | |
a51a7930 EB |
654 | |
655 | static bfd_boolean | |
50e03d47 | 656 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 657 | { |
50e03d47 | 658 | bfd *obfd = info->output_bfd; |
22b75d0a DM |
659 | bfd_boolean error; |
660 | flagword new_flags, old_flags; | |
661 | int new_mm, old_mm; | |
40937810 | 662 | |
22b75d0a DM |
663 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
664 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
665 | return TRUE; | |
40937810 | 666 | |
22b75d0a DM |
667 | new_flags = elf_elfheader (ibfd)->e_flags; |
668 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 669 | |
22b75d0a DM |
670 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
671 | { | |
672 | elf_flags_init (obfd) = TRUE; | |
673 | elf_elfheader (obfd)->e_flags = new_flags; | |
674 | } | |
40937810 | 675 | |
22b75d0a DM |
676 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
677 | ; | |
40937810 | 678 | |
07d6d2b8 | 679 | else /* Incompatible flags */ |
40937810 | 680 | { |
22b75d0a | 681 | error = FALSE; |
40937810 | 682 | |
22b75d0a DM |
683 | #define EF_SPARC_ISA_EXTENSIONS \ |
684 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 685 | |
37fb6db1 ILT |
686 | if ((ibfd->flags & DYNAMIC) != 0) |
687 | { | |
688 | /* We don't want dynamic objects memory ordering and | |
689 | architecture to have any role. That's what dynamic linker | |
690 | should do. */ | |
19f7b010 | 691 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 692 | new_flags |= (old_flags |
19f7b010 | 693 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
694 | } |
695 | else | |
696 | { | |
697 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
698 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
699 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
700 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
701 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 702 | { |
b34976b6 | 703 | error = TRUE; |
4eca0228 | 704 | _bfd_error_handler |
871b3ab2 | 705 | (_("%pB: linking UltraSPARC specific with HAL specific code"), |
d003868e | 706 | ibfd); |
37fb6db1 ILT |
707 | } |
708 | /* Choose the most restrictive memory ordering. */ | |
709 | old_mm = (old_flags & EF_SPARCV9_MM); | |
710 | new_mm = (new_flags & EF_SPARCV9_MM); | |
711 | old_flags &= ~EF_SPARCV9_MM; | |
712 | new_flags &= ~EF_SPARCV9_MM; | |
713 | if (new_mm < old_mm) | |
714 | old_mm = new_mm; | |
715 | old_flags |= old_mm; | |
716 | new_flags |= old_mm; | |
717 | } | |
252b5132 RH |
718 | |
719 | /* Warn about any other mismatches */ | |
720 | if (new_flags != old_flags) | |
07d6d2b8 AM |
721 | { |
722 | error = TRUE; | |
4eca0228 | 723 | _bfd_error_handler |
695344c0 | 724 | /* xgettext:c-format */ |
871b3ab2 | 725 | (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"), |
07d6d2b8 AM |
726 | ibfd, new_flags, old_flags); |
727 | } | |
252b5132 RH |
728 | |
729 | elf_elfheader (obfd)->e_flags = old_flags; | |
730 | ||
731 | if (error) | |
07d6d2b8 AM |
732 | { |
733 | bfd_set_error (bfd_error_bad_value); | |
734 | return FALSE; | |
735 | } | |
252b5132 | 736 | } |
50e03d47 | 737 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 738 | } |
0594c12d AM |
739 | |
740 | /* MARCO: Set the correct entry size for the .stab section. */ | |
741 | ||
b34976b6 | 742 | static bfd_boolean |
22b75d0a DM |
743 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
744 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
745 | asection *sec) | |
0594c12d AM |
746 | { |
747 | const char *name; | |
748 | ||
fd361982 | 749 | name = bfd_section_name (sec); |
0594c12d AM |
750 | |
751 | if (strcmp (name, ".stab") == 0) | |
752 | { | |
753 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
754 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
755 | } | |
b34976b6 AM |
756 | |
757 | return TRUE; | |
0594c12d | 758 | } |
587ff49e RH |
759 | \f |
760 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 761 | |
587ff49e | 762 | static const char * |
2c3fc389 | 763 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 764 | asymbol *symbol) |
587ff49e RH |
765 | { |
766 | FILE *file = (FILE *) filep; | |
767 | int reg, type; | |
435b1e90 | 768 | |
587ff49e RH |
769 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
770 | != STT_REGISTER) | |
771 | return NULL; | |
772 | ||
773 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
774 | type = symbol->flags; | |
775 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
776 | ((type & BSF_LOCAL) | |
777 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
778 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
779 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
780 | if (symbol->name == NULL || symbol->name [0] == '\0') |
781 | return "#scratch"; | |
782 | else | |
783 | return symbol->name; | |
784 | } | |
252b5132 | 785 | \f |
b2abe1bd EB |
786 | /* Used to decide how to sort relocs in an optimal manner for the |
787 | dynamic linker, before writing them out. */ | |
788 | ||
40937810 | 789 | static enum elf_reloc_type_class |
b2abe1bd | 790 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info, |
7e612e98 AM |
791 | const asection *rel_sec ATTRIBUTE_UNUSED, |
792 | const Elf_Internal_Rela *rela) | |
40937810 | 793 | { |
b2abe1bd EB |
794 | bfd *abfd = info->output_bfd; |
795 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
796 | struct _bfd_sparc_elf_link_hash_table *htab | |
797 | = _bfd_sparc_elf_hash_table (info); | |
798 | BFD_ASSERT (htab != NULL); | |
799 | ||
800 | if (htab->elf.dynsym != NULL | |
801 | && htab->elf.dynsym->contents != NULL) | |
802 | { | |
803 | /* Check relocation against STT_GNU_IFUNC symbol if there are | |
804 | dynamic symbols. */ | |
805 | unsigned long r_symndx = htab->r_symndx (rela->r_info); | |
806 | if (r_symndx != STN_UNDEF) | |
807 | { | |
808 | Elf_Internal_Sym sym; | |
809 | if (!bed->s->swap_symbol_in (abfd, | |
810 | (htab->elf.dynsym->contents | |
811 | + r_symndx * bed->s->sizeof_sym), | |
812 | 0, &sym)) | |
813 | abort (); | |
814 | ||
815 | if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC) | |
816 | return reloc_class_ifunc; | |
817 | } | |
818 | } | |
819 | ||
40937810 JJ |
820 | switch ((int) ELF64_R_TYPE (rela->r_info)) |
821 | { | |
b2abe1bd EB |
822 | case R_SPARC_IRELATIVE: |
823 | return reloc_class_ifunc; | |
40937810 JJ |
824 | case R_SPARC_RELATIVE: |
825 | return reloc_class_relative; | |
826 | case R_SPARC_JMP_SLOT: | |
827 | return reloc_class_plt; | |
828 | case R_SPARC_COPY: | |
829 | return reloc_class_copy; | |
830 | default: | |
831 | return reloc_class_normal; | |
832 | } | |
833 | } | |
834 | ||
f65054f7 RH |
835 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
836 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
837 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
838 | relocation handling routines. */ | |
839 | ||
22b75d0a | 840 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
841 | { |
842 | sizeof (Elf64_External_Ehdr), | |
843 | sizeof (Elf64_External_Phdr), | |
844 | sizeof (Elf64_External_Shdr), | |
845 | sizeof (Elf64_External_Rel), | |
846 | sizeof (Elf64_External_Rela), | |
847 | sizeof (Elf64_External_Sym), | |
848 | sizeof (Elf64_External_Dyn), | |
849 | sizeof (Elf_External_Note), | |
ae9a127f NC |
850 | 4, /* hash-table entry size. */ |
851 | /* Internal relocations per external relocations. | |
f65054f7 RH |
852 | For link purposes we use just 1 internal per |
853 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 854 | we use 2. */ |
f65054f7 | 855 | 1, |
ae9a127f | 856 | 64, /* arch_size. */ |
45d6a902 | 857 | 3, /* log_file_align. */ |
f65054f7 RH |
858 | ELFCLASS64, |
859 | EV_CURRENT, | |
860 | bfd_elf64_write_out_phdrs, | |
861 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 862 | bfd_elf64_checksum_contents, |
22b75d0a | 863 | elf64_sparc_write_relocs, |
73ff0d56 | 864 | bfd_elf64_swap_symbol_in, |
f65054f7 | 865 | bfd_elf64_swap_symbol_out, |
22b75d0a | 866 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
867 | bfd_elf64_slurp_symbol_table, |
868 | bfd_elf64_swap_dyn_in, | |
869 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
870 | bfd_elf64_swap_reloc_in, |
871 | bfd_elf64_swap_reloc_out, | |
872 | bfd_elf64_swap_reloca_in, | |
873 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
874 | }; |
875 | ||
6d00b590 | 876 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
877 | #define TARGET_BIG_NAME "elf64-sparc" |
878 | #define ELF_ARCH bfd_arch_sparc | |
879 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 880 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
881 | |
882 | /* This is the official ABI value. */ | |
883 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
884 | ||
885 | /* This is the value that we used before the ABI was released. */ | |
886 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
887 | ||
22b75d0a DM |
888 | #define elf_backend_reloc_type_class \ |
889 | elf64_sparc_reloc_type_class | |
f65054f7 | 890 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 891 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 892 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 893 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 894 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 895 | elf64_sparc_canonicalize_reloc |
f65054f7 | 896 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 897 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
898 | #define bfd_elf64_set_reloc \ |
899 | elf64_sparc_set_reloc | |
22b75d0a DM |
900 | #define elf_backend_add_symbol_hook \ |
901 | elf64_sparc_add_symbol_hook | |
902 | #define elf_backend_get_symbol_type \ | |
903 | elf64_sparc_get_symbol_type | |
904 | #define elf_backend_symbol_processing \ | |
905 | elf64_sparc_symbol_processing | |
906 | #define elf_backend_print_symbol_all \ | |
907 | elf64_sparc_print_symbol_all | |
908 | #define elf_backend_output_arch_syms \ | |
909 | elf64_sparc_output_arch_syms | |
910 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
911 | elf64_sparc_merge_private_bfd_data | |
912 | #define elf_backend_fake_sections \ | |
913 | elf64_sparc_fake_sections | |
914 | #define elf_backend_size_info \ | |
915 | elf64_sparc_size_info | |
916 | ||
917 | #define elf_backend_plt_sym_val \ | |
918 | _bfd_sparc_elf_plt_sym_val | |
919 | #define bfd_elf64_bfd_link_hash_table_create \ | |
920 | _bfd_sparc_elf_link_hash_table_create | |
921 | #define elf_info_to_howto \ | |
922 | _bfd_sparc_elf_info_to_howto | |
923 | #define elf_backend_copy_indirect_symbol \ | |
924 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 925 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 926 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
927 | #define bfd_elf64_bfd_reloc_name_lookup \ |
928 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 929 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 930 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 931 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 932 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
933 | |
934 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 935 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
936 | #define elf_backend_relocs_compatible \ |
937 | _bfd_elf_relocs_compatible | |
252b5132 | 938 | #define elf_backend_check_relocs \ |
22b75d0a | 939 | _bfd_sparc_elf_check_relocs |
252b5132 | 940 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 941 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 942 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 943 | _bfd_sparc_elf_omit_section_dynsym |
252b5132 | 944 | #define elf_backend_size_dynamic_sections \ |
22b75d0a | 945 | _bfd_sparc_elf_size_dynamic_sections |
252b5132 | 946 | #define elf_backend_relocate_section \ |
22b75d0a | 947 | _bfd_sparc_elf_relocate_section |
252b5132 | 948 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 949 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 950 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 951 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
952 | #define elf_backend_fixup_symbol \ |
953 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 954 | |
40937810 | 955 | #define bfd_elf64_mkobject \ |
22b75d0a | 956 | _bfd_sparc_elf_mkobject |
252b5132 | 957 | #define elf_backend_object_p \ |
22b75d0a | 958 | _bfd_sparc_elf_object_p |
40937810 | 959 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 960 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
961 | #define elf_backend_init_index_section \ |
962 | _bfd_elf_init_1_index_section | |
252b5132 | 963 | |
40937810 JJ |
964 | #define elf_backend_can_gc_sections 1 |
965 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
966 | #define elf_backend_want_got_plt 0 |
967 | #define elf_backend_plt_readonly 0 | |
968 | #define elf_backend_want_plt_sym 1 | |
40937810 | 969 | #define elf_backend_got_header_size 8 |
5474d94f | 970 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 971 | #define elf_backend_rela_normal 1 |
252b5132 RH |
972 | |
973 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
974 | #define elf_backend_plt_alignment 8 | |
975 | ||
252b5132 | 976 | #include "elf64-target.h" |
71a75f6f MF |
977 | |
978 | /* FreeBSD support */ | |
979 | #undef TARGET_BIG_SYM | |
6d00b590 | 980 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
981 | #undef TARGET_BIG_NAME |
982 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
983 | #undef ELF_OSABI |
984 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 985 | |
71a75f6f MF |
986 | #undef elf64_bed |
987 | #define elf64_bed elf64_sparc_fbsd_bed | |
988 | ||
989 | #include "elf64-target.h" | |
990 | ||
1360ba76 RO |
991 | /* Solaris 2. */ |
992 | ||
993 | #undef TARGET_BIG_SYM | |
6d00b590 | 994 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
995 | #undef TARGET_BIG_NAME |
996 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
997 | ||
998 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
999 | objects won't be recognized. */ | |
1000 | #undef ELF_OSABI | |
1001 | ||
1002 | #undef elf64_bed | |
1003 | #define elf64_bed elf64_sparc_sol2_bed | |
1004 | ||
1005 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
1006 | boundary. */ | |
1007 | #undef elf_backend_static_tls_alignment | |
1008 | #define elf_backend_static_tls_alignment 16 | |
1009 | ||
1010 | #include "elf64-target.h" |