Commit | Line | Data |
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252b5132 | 1 | /* SPARC-specific support for 64-bit ELF |
250d07de | 2 | Copyright (C) 1993-2021 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 | ||
0a1b45a2 | 69 | static bool |
22b75d0a DM |
70 | elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, |
71 | Elf_Internal_Shdr *rel_hdr, | |
0a1b45a2 | 72 | asymbol **symbols, bool 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 | 82 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0) |
0a1b45a2 | 83 | return false; |
2bb3687b | 84 | allocated = _bfd_malloc_and_read (abfd, rel_hdr->sh_size, rel_hdr->sh_size); |
f65054f7 | 85 | if (allocated == NULL) |
0a1b45a2 | 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 | 163 | |
c9594989 | 164 | free (allocated); |
0a1b45a2 | 165 | return true; |
f65054f7 RH |
166 | |
167 | error_return: | |
c9594989 | 168 | free (allocated); |
0a1b45a2 | 169 | return false; |
f65054f7 RH |
170 | } |
171 | ||
172 | /* Read in and swap the external relocs. */ | |
173 | ||
0a1b45a2 | 174 | static bool |
22b75d0a | 175 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
0a1b45a2 | 176 | asymbol **symbols, bool dynamic) |
f65054f7 RH |
177 | { |
178 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
179 | Elf_Internal_Shdr *rel_hdr; | |
180 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 181 | bfd_size_type amt; |
f65054f7 RH |
182 | |
183 | if (asect->relocation != NULL) | |
0a1b45a2 | 184 | return true; |
f65054f7 RH |
185 | |
186 | if (! dynamic) | |
187 | { | |
188 | if ((asect->flags & SEC_RELOC) == 0 | |
189 | || asect->reloc_count == 0) | |
0a1b45a2 | 190 | return true; |
f65054f7 | 191 | |
d4730f92 BS |
192 | rel_hdr = d->rel.hdr; |
193 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 194 | |
d4730f92 | 195 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
196 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
197 | } | |
198 | else | |
199 | { | |
200 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
201 | case because relocations against this section may use the | |
202 | dynamic symbol table, and in that case bfd_section_from_shdr | |
203 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 204 | if (asect->size == 0) |
0a1b45a2 | 205 | return true; |
f65054f7 RH |
206 | |
207 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 208 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
209 | rel_hdr2 = NULL; |
210 | } | |
211 | ||
dc810e39 AM |
212 | amt = asect->reloc_count; |
213 | amt *= 2 * sizeof (arelent); | |
214 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 215 | if (asect->relocation == NULL) |
0a1b45a2 | 216 | return false; |
f65054f7 | 217 | |
22b75d0a | 218 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
219 | canon_reloc_count. */ |
220 | canon_reloc_count (asect) = 0; | |
435b1e90 | 221 | |
d4730f92 BS |
222 | if (rel_hdr |
223 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
224 | dynamic)) | |
0a1b45a2 | 225 | return false; |
435b1e90 KH |
226 | |
227 | if (rel_hdr2 | |
22b75d0a | 228 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 229 | dynamic)) |
0a1b45a2 | 230 | return false; |
f65054f7 | 231 | |
0a1b45a2 | 232 | return true; |
f65054f7 RH |
233 | } |
234 | ||
3e1d7f19 JJ |
235 | /* Canonicalize the relocs. */ |
236 | ||
237 | static long | |
22b75d0a DM |
238 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
239 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
240 | { |
241 | arelent *tblptr; | |
242 | unsigned int i; | |
9c5bfbb7 | 243 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 | 244 | |
0a1b45a2 | 245 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, false)) |
3e1d7f19 JJ |
246 | return -1; |
247 | ||
248 | tblptr = section->relocation; | |
249 | for (i = 0; i < canon_reloc_count (section); i++) | |
250 | *relptr++ = tblptr++; | |
251 | ||
252 | *relptr = NULL; | |
253 | ||
254 | return canon_reloc_count (section); | |
255 | } | |
256 | ||
257 | ||
f65054f7 RH |
258 | /* Canonicalize the dynamic relocation entries. Note that we return |
259 | the dynamic relocations as a single block, although they are | |
260 | actually associated with particular sections; the interface, which | |
261 | was designed for SunOS style shared libraries, expects that there | |
262 | is only one set of dynamic relocs. Any section that was actually | |
263 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
264 | the dynamic symbol table, is considered to be a dynamic reloc | |
265 | section. */ | |
266 | ||
267 | static long | |
22b75d0a DM |
268 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
269 | asymbol **syms) | |
f65054f7 RH |
270 | { |
271 | asection *s; | |
272 | long ret; | |
273 | ||
274 | if (elf_dynsymtab (abfd) == 0) | |
275 | { | |
276 | bfd_set_error (bfd_error_invalid_operation); | |
277 | return -1; | |
278 | } | |
279 | ||
280 | ret = 0; | |
281 | for (s = abfd->sections; s != NULL; s = s->next) | |
282 | { | |
283 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
284 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
285 | { | |
286 | arelent *p; | |
287 | long count, i; | |
288 | ||
0a1b45a2 | 289 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, true)) |
f65054f7 | 290 | return -1; |
3e1d7f19 | 291 | count = canon_reloc_count (s); |
f65054f7 RH |
292 | p = s->relocation; |
293 | for (i = 0; i < count; i++) | |
294 | *storage++ = p++; | |
295 | ret += count; | |
296 | } | |
297 | } | |
298 | ||
299 | *storage = NULL; | |
300 | ||
301 | return ret; | |
302 | } | |
303 | ||
db84b98a JM |
304 | /* Install a new set of internal relocs. */ |
305 | ||
306 | static void | |
307 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
308 | asection *asect, |
309 | arelent **location, | |
310 | unsigned int count) | |
db84b98a JM |
311 | { |
312 | asect->orelocation = location; | |
313 | canon_reloc_count (asect) = count; | |
314 | } | |
315 | ||
f65054f7 RH |
316 | /* Write out the relocs. */ |
317 | ||
318 | static void | |
2c3fc389 | 319 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 320 | { |
0a1b45a2 | 321 | bool *failedp = (bool *) data; |
f65054f7 | 322 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 323 | bfd_vma addr_offset; |
37fb6db1 | 324 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
325 | unsigned int idx, count; |
326 | asymbol *last_sym = 0; | |
327 | int last_sym_idx = 0; | |
328 | ||
329 | /* If we have already failed, don't do anything. */ | |
330 | if (*failedp) | |
331 | return; | |
332 | ||
333 | if ((sec->flags & SEC_RELOC) == 0) | |
334 | return; | |
335 | ||
336 | /* The linker backend writes the relocs out itself, and sets the | |
337 | reloc_count field to zero to inhibit writing them here. Also, | |
338 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
339 | relocs. */ | |
db84b98a | 340 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
341 | return; |
342 | ||
343 | /* We can combine two relocs that refer to the same address | |
344 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
345 | latter is R_SPARC_13 with no associated symbol. */ | |
346 | count = 0; | |
db84b98a | 347 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
348 | { |
349 | bfd_vma addr; | |
f65054f7 RH |
350 | |
351 | ++count; | |
352 | ||
353 | addr = sec->orelocation[idx]->address; | |
354 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 355 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
356 | { |
357 | arelent *r = sec->orelocation[idx + 1]; | |
358 | ||
359 | if (r->howto->type == R_SPARC_13 | |
360 | && r->address == addr | |
361 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
362 | && (*r->sym_ptr_ptr)->value == 0) | |
363 | ++idx; | |
364 | } | |
365 | } | |
366 | ||
d4730f92 | 367 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
368 | |
369 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 370 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
371 | if (rela_hdr->contents == NULL) |
372 | { | |
0a1b45a2 | 373 | *failedp = true; |
f65054f7 RH |
374 | return; |
375 | } | |
376 | ||
377 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
378 | if (rela_hdr->sh_type != SHT_RELA) | |
379 | abort (); | |
380 | ||
22b75d0a DM |
381 | /* The address of an ELF reloc is section relative for an object |
382 | file, and absolute for an executable file or shared library. | |
383 | The address of a BFD reloc is always section relative. */ | |
384 | addr_offset = 0; | |
385 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
386 | addr_offset = sec->vma; | |
387 | ||
435b1e90 | 388 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 389 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 390 | src_rela = outbound_relocas; |
f65054f7 | 391 | |
db84b98a | 392 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
393 | { |
394 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
395 | arelent *ptr; |
396 | asymbol *sym; | |
397 | int n; | |
398 | ||
399 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
400 | sym = *ptr->sym_ptr_ptr; |
401 | if (sym == last_sym) | |
402 | n = last_sym_idx; | |
403 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
404 | n = STN_UNDEF; | |
405 | else | |
406 | { | |
407 | last_sym = sym; | |
408 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
409 | if (n < 0) | |
410 | { | |
0a1b45a2 | 411 | *failedp = true; |
f65054f7 RH |
412 | return; |
413 | } | |
414 | last_sym_idx = n; | |
415 | } | |
416 | ||
417 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
418 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
419 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
420 | { | |
0a1b45a2 | 421 | *failedp = true; |
f65054f7 RH |
422 | return; |
423 | } | |
424 | ||
425 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 426 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
427 | { |
428 | arelent *r = sec->orelocation[idx + 1]; | |
429 | ||
430 | if (r->howto->type == R_SPARC_13 | |
431 | && r->address == ptr->address | |
432 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
433 | && (*r->sym_ptr_ptr)->value == 0) | |
434 | { | |
435 | idx++; | |
436 | dst_rela.r_info | |
437 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
438 | R_SPARC_OLO10)); | |
439 | } | |
440 | else | |
441 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
442 | } | |
443 | else | |
444 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
445 | ||
22b75d0a | 446 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 447 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 448 | |
947216bf | 449 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 450 | ++src_rela; |
f65054f7 | 451 | } |
252b5132 | 452 | } |
587ff49e | 453 | \f |
22b75d0a DM |
454 | /* Hook called by the linker routine which adds symbols from an object |
455 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 456 | |
0a1b45a2 | 457 | static bool |
22b75d0a DM |
458 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, |
459 | Elf_Internal_Sym *sym, const char **namep, | |
460 | flagword *flagsp ATTRIBUTE_UNUSED, | |
461 | asection **secp ATTRIBUTE_UNUSED, | |
462 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 463 | { |
22b75d0a | 464 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 465 | |
22b75d0a DM |
466 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
467 | { | |
468 | int reg; | |
469 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 470 | |
22b75d0a DM |
471 | reg = (int)sym->st_value; |
472 | switch (reg & ~1) | |
473 | { | |
474 | case 2: reg -= 2; break; | |
475 | case 6: reg -= 4; break; | |
476 | default: | |
4eca0228 | 477 | _bfd_error_handler |
38f14ab8 | 478 | (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"), |
07d6d2b8 | 479 | abfd); |
0a1b45a2 | 480 | return false; |
22b75d0a | 481 | } |
40937810 | 482 | |
f13a99db | 483 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 484 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 485 | { |
22b75d0a DM |
486 | /* STT_REGISTER only works when linking an elf64_sparc object. |
487 | If STT_REGISTER comes from a dynamic object, don't put it into | |
488 | the output bfd. The dynamic linker will recheck it. */ | |
489 | *namep = NULL; | |
0a1b45a2 | 490 | return true; |
07d6d2b8 | 491 | } |
40937810 | 492 | |
22b75d0a | 493 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 494 | |
22b75d0a DM |
495 | if (p->name != NULL && strcmp (p->name, *namep)) |
496 | { | |
4eca0228 | 497 | _bfd_error_handler |
695344c0 | 498 | /* xgettext:c-format */ |
38f14ab8 | 499 | (_("register %%g%d used incompatibly: %s in %pB," |
871b3ab2 | 500 | " previously %s in %pB"), |
c08bb8dd AM |
501 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, |
502 | *p->name ? p->name : "#scratch", p->abfd); | |
0a1b45a2 | 503 | return false; |
22b75d0a | 504 | } |
40937810 | 505 | |
22b75d0a DM |
506 | if (p->name == NULL) |
507 | { | |
508 | if (**namep) | |
509 | { | |
510 | struct elf_link_hash_entry *h; | |
40937810 | 511 | |
22b75d0a | 512 | h = (struct elf_link_hash_entry *) |
0a1b45a2 | 513 | bfd_link_hash_lookup (info->hash, *namep, false, false, false); |
40937810 | 514 | |
22b75d0a DM |
515 | if (h != NULL) |
516 | { | |
517 | unsigned char type = h->type; | |
40937810 | 518 | |
22b75d0a DM |
519 | if (type > STT_FUNC) |
520 | type = 0; | |
4eca0228 | 521 | _bfd_error_handler |
695344c0 | 522 | /* xgettext:c-format */ |
38f14ab8 | 523 | (_("symbol `%s' has differing types: REGISTER in %pB," |
871b3ab2 | 524 | " previously %s in %pB"), |
c08bb8dd | 525 | *namep, abfd, stt_types[type], p->abfd); |
0a1b45a2 | 526 | return false; |
22b75d0a | 527 | } |
40937810 | 528 | |
22b75d0a DM |
529 | p->name = bfd_hash_allocate (&info->hash->table, |
530 | strlen (*namep) + 1); | |
531 | if (!p->name) | |
0a1b45a2 | 532 | return false; |
40937810 | 533 | |
22b75d0a DM |
534 | strcpy (p->name, *namep); |
535 | } | |
536 | else | |
537 | p->name = ""; | |
538 | p->bind = ELF_ST_BIND (sym->st_info); | |
539 | p->abfd = abfd; | |
540 | p->shndx = sym->st_shndx; | |
541 | } | |
542 | else | |
543 | { | |
544 | if (p->bind == STB_WEAK | |
545 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
546 | { | |
547 | p->bind = STB_GLOBAL; | |
548 | p->abfd = abfd; | |
549 | } | |
550 | } | |
551 | *namep = NULL; | |
0a1b45a2 | 552 | return true; |
22b75d0a DM |
553 | } |
554 | else if (*namep && **namep | |
f13a99db | 555 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
556 | { |
557 | int i; | |
558 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 559 | |
22b75d0a DM |
560 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
561 | for (i = 0; i < 4; i++, p++) | |
562 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
563 | { | |
564 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 565 | |
22b75d0a DM |
566 | if (type > STT_FUNC) |
567 | type = 0; | |
4eca0228 | 568 | _bfd_error_handler |
695344c0 | 569 | /* xgettext:c-format */ |
871b3ab2 AM |
570 | (_("Symbol `%s' has differing types: %s in %pB," |
571 | " previously REGISTER in %pB"), | |
c08bb8dd | 572 | *namep, stt_types[type], abfd, p->abfd); |
0a1b45a2 | 573 | return false; |
22b75d0a DM |
574 | } |
575 | } | |
0a1b45a2 | 576 | return true; |
40937810 JJ |
577 | } |
578 | ||
22b75d0a DM |
579 | /* This function takes care of emitting STT_REGISTER symbols |
580 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 581 | |
0a1b45a2 | 582 | static bool |
22b75d0a DM |
583 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, |
584 | struct bfd_link_info *info, | |
2c3fc389 NC |
585 | void * flaginfo, |
586 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
587 | Elf_Internal_Sym *, |
588 | asection *, | |
589 | struct elf_link_hash_entry *)) | |
587ff49e | 590 | { |
22b75d0a DM |
591 | int reg; |
592 | struct _bfd_sparc_elf_app_reg *app_regs = | |
593 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
594 | Elf_Internal_Sym sym; | |
40937810 | 595 | |
22b75d0a DM |
596 | for (reg = 0; reg < 4; reg++) |
597 | if (app_regs [reg].name != NULL) | |
598 | { | |
599 | if (info->strip == strip_some | |
600 | && bfd_hash_lookup (info->keep_hash, | |
601 | app_regs [reg].name, | |
0a1b45a2 | 602 | false, false) == NULL) |
22b75d0a | 603 | continue; |
587ff49e | 604 | |
22b75d0a DM |
605 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
606 | sym.st_size = 0; | |
607 | sym.st_other = 0; | |
608 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
609 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 610 | sym.st_target_internal = 0; |
57402f1e | 611 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
612 | sym.st_shndx == SHN_ABS |
613 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
614 | NULL) != 1) | |
0a1b45a2 | 615 | return false; |
22b75d0a | 616 | } |
435b1e90 | 617 | |
0a1b45a2 | 618 | return true; |
22b75d0a | 619 | } |
40937810 | 620 | |
22b75d0a DM |
621 | static int |
622 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 623 | { |
22b75d0a DM |
624 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
625 | return STT_REGISTER; | |
626 | else | |
627 | return type; | |
40937810 JJ |
628 | } |
629 | ||
22b75d0a DM |
630 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
631 | even in SHN_UNDEF section. */ | |
587ff49e | 632 | |
22b75d0a DM |
633 | static void |
634 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 635 | { |
22b75d0a | 636 | elf_symbol_type *elfsym; |
587ff49e | 637 | |
22b75d0a DM |
638 | elfsym = (elf_symbol_type *) asym; |
639 | if (elfsym->internal_elf_sym.st_info | |
640 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 641 | { |
22b75d0a | 642 | asym->flags |= BSF_GLOBAL; |
587ff49e | 643 | } |
587ff49e | 644 | } |
a51a7930 | 645 | |
22b75d0a DM |
646 | \f |
647 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 648 | |
22b75d0a DM |
649 | /* Merge backend specific data from an object file to the output |
650 | object file when linking. */ | |
a51a7930 | 651 | |
0a1b45a2 | 652 | static bool |
50e03d47 | 653 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 654 | { |
50e03d47 | 655 | bfd *obfd = info->output_bfd; |
0a1b45a2 | 656 | bool error; |
22b75d0a DM |
657 | flagword new_flags, old_flags; |
658 | int new_mm, old_mm; | |
40937810 | 659 | |
22b75d0a DM |
660 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
661 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
0a1b45a2 | 662 | return true; |
40937810 | 663 | |
22b75d0a DM |
664 | new_flags = elf_elfheader (ibfd)->e_flags; |
665 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 666 | |
22b75d0a DM |
667 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
668 | { | |
0a1b45a2 | 669 | elf_flags_init (obfd) = true; |
22b75d0a DM |
670 | elf_elfheader (obfd)->e_flags = new_flags; |
671 | } | |
40937810 | 672 | |
22b75d0a DM |
673 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
674 | ; | |
40937810 | 675 | |
07d6d2b8 | 676 | else /* Incompatible flags */ |
40937810 | 677 | { |
0a1b45a2 | 678 | error = false; |
40937810 | 679 | |
22b75d0a DM |
680 | #define EF_SPARC_ISA_EXTENSIONS \ |
681 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 682 | |
37fb6db1 ILT |
683 | if ((ibfd->flags & DYNAMIC) != 0) |
684 | { | |
685 | /* We don't want dynamic objects memory ordering and | |
686 | architecture to have any role. That's what dynamic linker | |
687 | should do. */ | |
19f7b010 | 688 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 689 | new_flags |= (old_flags |
19f7b010 | 690 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
691 | } |
692 | else | |
693 | { | |
694 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
695 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
696 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
697 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
698 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 699 | { |
0a1b45a2 | 700 | error = true; |
4eca0228 | 701 | _bfd_error_handler |
871b3ab2 | 702 | (_("%pB: linking UltraSPARC specific with HAL specific code"), |
d003868e | 703 | ibfd); |
37fb6db1 ILT |
704 | } |
705 | /* Choose the most restrictive memory ordering. */ | |
706 | old_mm = (old_flags & EF_SPARCV9_MM); | |
707 | new_mm = (new_flags & EF_SPARCV9_MM); | |
708 | old_flags &= ~EF_SPARCV9_MM; | |
709 | new_flags &= ~EF_SPARCV9_MM; | |
710 | if (new_mm < old_mm) | |
711 | old_mm = new_mm; | |
712 | old_flags |= old_mm; | |
713 | new_flags |= old_mm; | |
714 | } | |
252b5132 RH |
715 | |
716 | /* Warn about any other mismatches */ | |
717 | if (new_flags != old_flags) | |
07d6d2b8 | 718 | { |
0a1b45a2 | 719 | error = true; |
4eca0228 | 720 | _bfd_error_handler |
695344c0 | 721 | /* xgettext:c-format */ |
871b3ab2 | 722 | (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"), |
07d6d2b8 AM |
723 | ibfd, new_flags, old_flags); |
724 | } | |
252b5132 RH |
725 | |
726 | elf_elfheader (obfd)->e_flags = old_flags; | |
727 | ||
728 | if (error) | |
07d6d2b8 AM |
729 | { |
730 | bfd_set_error (bfd_error_bad_value); | |
0a1b45a2 | 731 | return false; |
07d6d2b8 | 732 | } |
252b5132 | 733 | } |
50e03d47 | 734 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 735 | } |
0594c12d AM |
736 | |
737 | /* MARCO: Set the correct entry size for the .stab section. */ | |
738 | ||
0a1b45a2 | 739 | static bool |
22b75d0a DM |
740 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
741 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
742 | asection *sec) | |
0594c12d AM |
743 | { |
744 | const char *name; | |
745 | ||
fd361982 | 746 | name = bfd_section_name (sec); |
0594c12d AM |
747 | |
748 | if (strcmp (name, ".stab") == 0) | |
749 | { | |
750 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
751 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
752 | } | |
b34976b6 | 753 | |
0a1b45a2 | 754 | return true; |
0594c12d | 755 | } |
587ff49e RH |
756 | \f |
757 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 758 | |
587ff49e | 759 | static const char * |
2c3fc389 | 760 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 761 | asymbol *symbol) |
587ff49e RH |
762 | { |
763 | FILE *file = (FILE *) filep; | |
764 | int reg, type; | |
435b1e90 | 765 | |
587ff49e RH |
766 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
767 | != STT_REGISTER) | |
768 | return NULL; | |
769 | ||
770 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
771 | type = symbol->flags; | |
772 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
773 | ((type & BSF_LOCAL) | |
774 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
775 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
776 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
777 | if (symbol->name == NULL || symbol->name [0] == '\0') |
778 | return "#scratch"; | |
779 | else | |
780 | return symbol->name; | |
781 | } | |
252b5132 | 782 | \f |
b2abe1bd EB |
783 | /* Used to decide how to sort relocs in an optimal manner for the |
784 | dynamic linker, before writing them out. */ | |
785 | ||
40937810 | 786 | static enum elf_reloc_type_class |
b2abe1bd | 787 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info, |
7e612e98 AM |
788 | const asection *rel_sec ATTRIBUTE_UNUSED, |
789 | const Elf_Internal_Rela *rela) | |
40937810 | 790 | { |
b2abe1bd EB |
791 | bfd *abfd = info->output_bfd; |
792 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
793 | struct _bfd_sparc_elf_link_hash_table *htab | |
794 | = _bfd_sparc_elf_hash_table (info); | |
795 | BFD_ASSERT (htab != NULL); | |
796 | ||
797 | if (htab->elf.dynsym != NULL | |
798 | && htab->elf.dynsym->contents != NULL) | |
799 | { | |
800 | /* Check relocation against STT_GNU_IFUNC symbol if there are | |
801 | dynamic symbols. */ | |
802 | unsigned long r_symndx = htab->r_symndx (rela->r_info); | |
803 | if (r_symndx != STN_UNDEF) | |
804 | { | |
805 | Elf_Internal_Sym sym; | |
806 | if (!bed->s->swap_symbol_in (abfd, | |
807 | (htab->elf.dynsym->contents | |
808 | + r_symndx * bed->s->sizeof_sym), | |
809 | 0, &sym)) | |
810 | abort (); | |
811 | ||
812 | if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC) | |
813 | return reloc_class_ifunc; | |
814 | } | |
815 | } | |
816 | ||
40937810 JJ |
817 | switch ((int) ELF64_R_TYPE (rela->r_info)) |
818 | { | |
b2abe1bd EB |
819 | case R_SPARC_IRELATIVE: |
820 | return reloc_class_ifunc; | |
40937810 JJ |
821 | case R_SPARC_RELATIVE: |
822 | return reloc_class_relative; | |
823 | case R_SPARC_JMP_SLOT: | |
824 | return reloc_class_plt; | |
825 | case R_SPARC_COPY: | |
826 | return reloc_class_copy; | |
827 | default: | |
828 | return reloc_class_normal; | |
829 | } | |
830 | } | |
831 | ||
f65054f7 RH |
832 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
833 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
834 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
835 | relocation handling routines. */ | |
836 | ||
22b75d0a | 837 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
838 | { |
839 | sizeof (Elf64_External_Ehdr), | |
840 | sizeof (Elf64_External_Phdr), | |
841 | sizeof (Elf64_External_Shdr), | |
842 | sizeof (Elf64_External_Rel), | |
843 | sizeof (Elf64_External_Rela), | |
844 | sizeof (Elf64_External_Sym), | |
845 | sizeof (Elf64_External_Dyn), | |
846 | sizeof (Elf_External_Note), | |
ae9a127f NC |
847 | 4, /* hash-table entry size. */ |
848 | /* Internal relocations per external relocations. | |
f65054f7 RH |
849 | For link purposes we use just 1 internal per |
850 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 851 | we use 2. */ |
f65054f7 | 852 | 1, |
ae9a127f | 853 | 64, /* arch_size. */ |
45d6a902 | 854 | 3, /* log_file_align. */ |
f65054f7 RH |
855 | ELFCLASS64, |
856 | EV_CURRENT, | |
857 | bfd_elf64_write_out_phdrs, | |
858 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 859 | bfd_elf64_checksum_contents, |
22b75d0a | 860 | elf64_sparc_write_relocs, |
73ff0d56 | 861 | bfd_elf64_swap_symbol_in, |
f65054f7 | 862 | bfd_elf64_swap_symbol_out, |
22b75d0a | 863 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
864 | bfd_elf64_slurp_symbol_table, |
865 | bfd_elf64_swap_dyn_in, | |
866 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
867 | bfd_elf64_swap_reloc_in, |
868 | bfd_elf64_swap_reloc_out, | |
869 | bfd_elf64_swap_reloca_in, | |
870 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
871 | }; |
872 | ||
6d00b590 | 873 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
874 | #define TARGET_BIG_NAME "elf64-sparc" |
875 | #define ELF_ARCH bfd_arch_sparc | |
876 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 877 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
878 | |
879 | /* This is the official ABI value. */ | |
880 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
881 | ||
882 | /* This is the value that we used before the ABI was released. */ | |
883 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
884 | ||
22b75d0a DM |
885 | #define elf_backend_reloc_type_class \ |
886 | elf64_sparc_reloc_type_class | |
f65054f7 | 887 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 888 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 889 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 890 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 891 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 892 | elf64_sparc_canonicalize_reloc |
f65054f7 | 893 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 894 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
895 | #define bfd_elf64_set_reloc \ |
896 | elf64_sparc_set_reloc | |
22b75d0a DM |
897 | #define elf_backend_add_symbol_hook \ |
898 | elf64_sparc_add_symbol_hook | |
899 | #define elf_backend_get_symbol_type \ | |
900 | elf64_sparc_get_symbol_type | |
901 | #define elf_backend_symbol_processing \ | |
902 | elf64_sparc_symbol_processing | |
903 | #define elf_backend_print_symbol_all \ | |
904 | elf64_sparc_print_symbol_all | |
905 | #define elf_backend_output_arch_syms \ | |
906 | elf64_sparc_output_arch_syms | |
907 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
908 | elf64_sparc_merge_private_bfd_data | |
909 | #define elf_backend_fake_sections \ | |
910 | elf64_sparc_fake_sections | |
911 | #define elf_backend_size_info \ | |
912 | elf64_sparc_size_info | |
913 | ||
914 | #define elf_backend_plt_sym_val \ | |
915 | _bfd_sparc_elf_plt_sym_val | |
916 | #define bfd_elf64_bfd_link_hash_table_create \ | |
917 | _bfd_sparc_elf_link_hash_table_create | |
918 | #define elf_info_to_howto \ | |
919 | _bfd_sparc_elf_info_to_howto | |
920 | #define elf_backend_copy_indirect_symbol \ | |
921 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 922 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 923 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
924 | #define bfd_elf64_bfd_reloc_name_lookup \ |
925 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 926 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 927 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 928 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 929 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
930 | |
931 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 932 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
933 | #define elf_backend_relocs_compatible \ |
934 | _bfd_elf_relocs_compatible | |
252b5132 | 935 | #define elf_backend_check_relocs \ |
22b75d0a | 936 | _bfd_sparc_elf_check_relocs |
252b5132 | 937 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 938 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 939 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 940 | _bfd_sparc_elf_omit_section_dynsym |
252b5132 | 941 | #define elf_backend_size_dynamic_sections \ |
22b75d0a | 942 | _bfd_sparc_elf_size_dynamic_sections |
252b5132 | 943 | #define elf_backend_relocate_section \ |
22b75d0a | 944 | _bfd_sparc_elf_relocate_section |
252b5132 | 945 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 946 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 947 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 948 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
949 | #define elf_backend_fixup_symbol \ |
950 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 951 | |
40937810 | 952 | #define bfd_elf64_mkobject \ |
22b75d0a | 953 | _bfd_sparc_elf_mkobject |
252b5132 | 954 | #define elf_backend_object_p \ |
22b75d0a | 955 | _bfd_sparc_elf_object_p |
40937810 | 956 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 957 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
958 | #define elf_backend_init_index_section \ |
959 | _bfd_elf_init_1_index_section | |
252b5132 | 960 | |
40937810 JJ |
961 | #define elf_backend_can_gc_sections 1 |
962 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
963 | #define elf_backend_want_got_plt 0 |
964 | #define elf_backend_plt_readonly 0 | |
965 | #define elf_backend_want_plt_sym 1 | |
40937810 | 966 | #define elf_backend_got_header_size 8 |
5474d94f | 967 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 968 | #define elf_backend_rela_normal 1 |
252b5132 RH |
969 | |
970 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
971 | #define elf_backend_plt_alignment 8 | |
972 | ||
252b5132 | 973 | #include "elf64-target.h" |
71a75f6f MF |
974 | |
975 | /* FreeBSD support */ | |
976 | #undef TARGET_BIG_SYM | |
6d00b590 | 977 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
978 | #undef TARGET_BIG_NAME |
979 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
980 | #undef ELF_OSABI |
981 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 982 | |
71a75f6f MF |
983 | #undef elf64_bed |
984 | #define elf64_bed elf64_sparc_fbsd_bed | |
985 | ||
986 | #include "elf64-target.h" | |
987 | ||
1360ba76 RO |
988 | /* Solaris 2. */ |
989 | ||
990 | #undef TARGET_BIG_SYM | |
6d00b590 | 991 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
992 | #undef TARGET_BIG_NAME |
993 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
994 | ||
995 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
996 | objects won't be recognized. */ | |
997 | #undef ELF_OSABI | |
998 | ||
999 | #undef elf64_bed | |
1000 | #define elf64_bed elf64_sparc_sol2_bed | |
1001 | ||
1002 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
1003 | boundary. */ | |
1004 | #undef elf_backend_static_tls_alignment | |
1005 | #define elf_backend_static_tls_alignment 16 | |
1006 | ||
168bb188 LB |
1007 | #undef elf_backend_strtab_flags |
1008 | #define elf_backend_strtab_flags SHF_STRINGS | |
1009 | ||
0a1b45a2 | 1010 | static bool |
168bb188 LB |
1011 | elf64_sparc_copy_solaris_special_section_fields (const bfd *ibfd ATTRIBUTE_UNUSED, |
1012 | bfd *obfd ATTRIBUTE_UNUSED, | |
1013 | const Elf_Internal_Shdr *isection ATTRIBUTE_UNUSED, | |
1014 | Elf_Internal_Shdr *osection ATTRIBUTE_UNUSED) | |
1015 | { | |
1016 | /* PR 19938: FIXME: Need to add code for setting the sh_info | |
1017 | and sh_link fields of Solaris specific section types. */ | |
0a1b45a2 | 1018 | return false; |
168bb188 LB |
1019 | } |
1020 | ||
1021 | #undef elf_backend_copy_special_section_fields | |
1022 | #define elf_backend_copy_special_section_fields elf64_sparc_copy_solaris_special_section_fields | |
1023 | ||
1360ba76 | 1024 | #include "elf64-target.h" |
168bb188 LB |
1025 | |
1026 | #undef elf_backend_strtab_flags | |
1027 | #undef elf_backend_copy_special_section_fields |