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252b5132 | 1 | /* SPARC-specific support for 64-bit ELF |
219d1afa | 2 | Copyright (C) 1993-2018 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" |
3db64b00 | 22 | #include "bfd.h" |
252b5132 RH |
23 | #include "libbfd.h" |
24 | #include "elf-bfd.h" | |
252b5132 | 25 | #include "elf/sparc.h" |
40937810 | 26 | #include "opcode/sparc.h" |
22b75d0a | 27 | #include "elfxx-sparc.h" |
252b5132 RH |
28 | |
29 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ | |
30 | #define MINUS_ONE (~ (bfd_vma) 0) | |
31 | ||
f65054f7 RH |
32 | /* Due to the way how we handle R_SPARC_OLO10, each entry in a SHT_RELA |
33 | section can represent up to two relocs, we must tell the user to allocate | |
34 | more space. */ | |
435b1e90 | 35 | |
f65054f7 | 36 | static long |
22b75d0a | 37 | elf64_sparc_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) |
f65054f7 RH |
38 | { |
39 | return (sec->reloc_count * 2 + 1) * sizeof (arelent *); | |
40 | } | |
41 | ||
42 | static long | |
22b75d0a | 43 | elf64_sparc_get_dynamic_reloc_upper_bound (bfd *abfd) |
f65054f7 RH |
44 | { |
45 | return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 2; | |
46 | } | |
47 | ||
435b1e90 | 48 | /* Read relocations for ASECT from REL_HDR. There are RELOC_COUNT of |
f65054f7 RH |
49 | them. We cannot use generic elf routines for this, because R_SPARC_OLO10 |
50 | has secondary addend in ELF64_R_TYPE_DATA. We handle it as two relocations | |
51 | for the same location, R_SPARC_LO10 and R_SPARC_13. */ | |
52 | ||
b34976b6 | 53 | static bfd_boolean |
22b75d0a DM |
54 | elf64_sparc_slurp_one_reloc_table (bfd *abfd, asection *asect, |
55 | Elf_Internal_Shdr *rel_hdr, | |
56 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 | 57 | { |
2c3fc389 | 58 | void * allocated = NULL; |
f65054f7 RH |
59 | bfd_byte *native_relocs; |
60 | arelent *relent; | |
61 | unsigned int i; | |
62 | int entsize; | |
63 | bfd_size_type count; | |
64 | arelent *relents; | |
65 | ||
2c3fc389 | 66 | allocated = bfd_malloc (rel_hdr->sh_size); |
f65054f7 RH |
67 | if (allocated == NULL) |
68 | goto error_return; | |
69 | ||
70 | if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0 | |
dc810e39 | 71 | || bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size) |
f65054f7 RH |
72 | goto error_return; |
73 | ||
74 | native_relocs = (bfd_byte *) allocated; | |
75 | ||
3e1d7f19 | 76 | relents = asect->relocation + canon_reloc_count (asect); |
f65054f7 RH |
77 | |
78 | entsize = rel_hdr->sh_entsize; | |
79 | BFD_ASSERT (entsize == sizeof (Elf64_External_Rela)); | |
435b1e90 | 80 | |
f65054f7 RH |
81 | count = rel_hdr->sh_size / entsize; |
82 | ||
83 | for (i = 0, relent = relents; i < count; | |
84 | i++, relent++, native_relocs += entsize) | |
85 | { | |
86 | Elf_Internal_Rela rela; | |
22b75d0a | 87 | unsigned int r_type; |
f65054f7 | 88 | |
947216bf | 89 | bfd_elf64_swap_reloca_in (abfd, native_relocs, &rela); |
f65054f7 RH |
90 | |
91 | /* The address of an ELF reloc is section relative for an object | |
92 | file, and absolute for an executable file or shared library. | |
93 | The address of a normal BFD reloc is always section relative, | |
94 | and the address of a dynamic reloc is absolute.. */ | |
95 | if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic) | |
96 | relent->address = rela.r_offset; | |
97 | else | |
98 | relent->address = rela.r_offset - asect->vma; | |
99 | ||
5860e3f8 NC |
100 | if (ELF64_R_SYM (rela.r_info) == STN_UNDEF |
101 | /* PR 17512: file: 996185f8. */ | |
3d044c0c | 102 | || (!dynamic && ELF64_R_SYM(rela.r_info) > bfd_get_symcount(abfd)) |
07d6d2b8 AM |
103 | || (dynamic |
104 | && ELF64_R_SYM(rela.r_info) > bfd_get_dynamic_symcount(abfd))) | |
f65054f7 RH |
105 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; |
106 | else | |
107 | { | |
108 | asymbol **ps, *s; | |
109 | ||
110 | ps = symbols + ELF64_R_SYM (rela.r_info) - 1; | |
111 | s = *ps; | |
112 | ||
113 | /* Canonicalize ELF section symbols. FIXME: Why? */ | |
114 | if ((s->flags & BSF_SECTION_SYM) == 0) | |
115 | relent->sym_ptr_ptr = ps; | |
116 | else | |
117 | relent->sym_ptr_ptr = s->section->symbol_ptr_ptr; | |
118 | } | |
119 | ||
120 | relent->addend = rela.r_addend; | |
121 | ||
22b75d0a DM |
122 | r_type = ELF64_R_TYPE_ID (rela.r_info); |
123 | if (r_type == R_SPARC_OLO10) | |
f65054f7 | 124 | { |
22b75d0a | 125 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (R_SPARC_LO10); |
f65054f7 RH |
126 | relent[1].address = relent->address; |
127 | relent++; | |
128 | relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; | |
129 | relent->addend = ELF64_R_TYPE_DATA (rela.r_info); | |
22b75d0a | 130 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (R_SPARC_13); |
f65054f7 RH |
131 | } |
132 | else | |
22b75d0a | 133 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type); |
f65054f7 RH |
134 | } |
135 | ||
3e1d7f19 | 136 | canon_reloc_count (asect) += relent - relents; |
f65054f7 RH |
137 | |
138 | if (allocated != NULL) | |
139 | free (allocated); | |
140 | ||
b34976b6 | 141 | return TRUE; |
f65054f7 RH |
142 | |
143 | error_return: | |
144 | if (allocated != NULL) | |
145 | free (allocated); | |
b34976b6 | 146 | return FALSE; |
f65054f7 RH |
147 | } |
148 | ||
149 | /* Read in and swap the external relocs. */ | |
150 | ||
b34976b6 | 151 | static bfd_boolean |
22b75d0a DM |
152 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
153 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 RH |
154 | { |
155 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
156 | Elf_Internal_Shdr *rel_hdr; | |
157 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 158 | bfd_size_type amt; |
f65054f7 RH |
159 | |
160 | if (asect->relocation != NULL) | |
b34976b6 | 161 | return TRUE; |
f65054f7 RH |
162 | |
163 | if (! dynamic) | |
164 | { | |
165 | if ((asect->flags & SEC_RELOC) == 0 | |
166 | || asect->reloc_count == 0) | |
b34976b6 | 167 | return TRUE; |
f65054f7 | 168 | |
d4730f92 BS |
169 | rel_hdr = d->rel.hdr; |
170 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 171 | |
d4730f92 | 172 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
173 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
174 | } | |
175 | else | |
176 | { | |
177 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
178 | case because relocations against this section may use the | |
179 | dynamic symbol table, and in that case bfd_section_from_shdr | |
180 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 181 | if (asect->size == 0) |
b34976b6 | 182 | return TRUE; |
f65054f7 RH |
183 | |
184 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 185 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
186 | rel_hdr2 = NULL; |
187 | } | |
188 | ||
dc810e39 AM |
189 | amt = asect->reloc_count; |
190 | amt *= 2 * sizeof (arelent); | |
191 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 192 | if (asect->relocation == NULL) |
b34976b6 | 193 | return FALSE; |
f65054f7 | 194 | |
22b75d0a | 195 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
196 | canon_reloc_count. */ |
197 | canon_reloc_count (asect) = 0; | |
435b1e90 | 198 | |
d4730f92 BS |
199 | if (rel_hdr |
200 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
201 | dynamic)) | |
b34976b6 | 202 | return FALSE; |
435b1e90 KH |
203 | |
204 | if (rel_hdr2 | |
22b75d0a | 205 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 206 | dynamic)) |
b34976b6 | 207 | return FALSE; |
f65054f7 | 208 | |
b34976b6 | 209 | return TRUE; |
f65054f7 RH |
210 | } |
211 | ||
3e1d7f19 JJ |
212 | /* Canonicalize the relocs. */ |
213 | ||
214 | static long | |
22b75d0a DM |
215 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
216 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
217 | { |
218 | arelent *tblptr; | |
219 | unsigned int i; | |
9c5bfbb7 | 220 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 JJ |
221 | |
222 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) | |
223 | return -1; | |
224 | ||
225 | tblptr = section->relocation; | |
226 | for (i = 0; i < canon_reloc_count (section); i++) | |
227 | *relptr++ = tblptr++; | |
228 | ||
229 | *relptr = NULL; | |
230 | ||
231 | return canon_reloc_count (section); | |
232 | } | |
233 | ||
234 | ||
f65054f7 RH |
235 | /* Canonicalize the dynamic relocation entries. Note that we return |
236 | the dynamic relocations as a single block, although they are | |
237 | actually associated with particular sections; the interface, which | |
238 | was designed for SunOS style shared libraries, expects that there | |
239 | is only one set of dynamic relocs. Any section that was actually | |
240 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
241 | the dynamic symbol table, is considered to be a dynamic reloc | |
242 | section. */ | |
243 | ||
244 | static long | |
22b75d0a DM |
245 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
246 | asymbol **syms) | |
f65054f7 RH |
247 | { |
248 | asection *s; | |
249 | long ret; | |
250 | ||
251 | if (elf_dynsymtab (abfd) == 0) | |
252 | { | |
253 | bfd_set_error (bfd_error_invalid_operation); | |
254 | return -1; | |
255 | } | |
256 | ||
257 | ret = 0; | |
258 | for (s = abfd->sections; s != NULL; s = s->next) | |
259 | { | |
260 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
261 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
262 | { | |
263 | arelent *p; | |
264 | long count, i; | |
265 | ||
22b75d0a | 266 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, TRUE)) |
f65054f7 | 267 | return -1; |
3e1d7f19 | 268 | count = canon_reloc_count (s); |
f65054f7 RH |
269 | p = s->relocation; |
270 | for (i = 0; i < count; i++) | |
271 | *storage++ = p++; | |
272 | ret += count; | |
273 | } | |
274 | } | |
275 | ||
276 | *storage = NULL; | |
277 | ||
278 | return ret; | |
279 | } | |
280 | ||
db84b98a JM |
281 | /* Install a new set of internal relocs. */ |
282 | ||
283 | static void | |
284 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
285 | asection *asect, |
286 | arelent **location, | |
287 | unsigned int count) | |
db84b98a JM |
288 | { |
289 | asect->orelocation = location; | |
290 | canon_reloc_count (asect) = count; | |
291 | } | |
292 | ||
f65054f7 RH |
293 | /* Write out the relocs. */ |
294 | ||
295 | static void | |
2c3fc389 | 296 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 297 | { |
b34976b6 | 298 | bfd_boolean *failedp = (bfd_boolean *) data; |
f65054f7 | 299 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 300 | bfd_vma addr_offset; |
37fb6db1 | 301 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
302 | unsigned int idx, count; |
303 | asymbol *last_sym = 0; | |
304 | int last_sym_idx = 0; | |
305 | ||
306 | /* If we have already failed, don't do anything. */ | |
307 | if (*failedp) | |
308 | return; | |
309 | ||
310 | if ((sec->flags & SEC_RELOC) == 0) | |
311 | return; | |
312 | ||
313 | /* The linker backend writes the relocs out itself, and sets the | |
314 | reloc_count field to zero to inhibit writing them here. Also, | |
315 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
316 | relocs. */ | |
db84b98a | 317 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
318 | return; |
319 | ||
320 | /* We can combine two relocs that refer to the same address | |
321 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
322 | latter is R_SPARC_13 with no associated symbol. */ | |
323 | count = 0; | |
db84b98a | 324 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
325 | { |
326 | bfd_vma addr; | |
f65054f7 RH |
327 | |
328 | ++count; | |
329 | ||
330 | addr = sec->orelocation[idx]->address; | |
331 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 332 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
333 | { |
334 | arelent *r = sec->orelocation[idx + 1]; | |
335 | ||
336 | if (r->howto->type == R_SPARC_13 | |
337 | && r->address == addr | |
338 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
339 | && (*r->sym_ptr_ptr)->value == 0) | |
340 | ++idx; | |
341 | } | |
342 | } | |
343 | ||
d4730f92 | 344 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
345 | |
346 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 347 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
348 | if (rela_hdr->contents == NULL) |
349 | { | |
b34976b6 | 350 | *failedp = TRUE; |
f65054f7 RH |
351 | return; |
352 | } | |
353 | ||
354 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
355 | if (rela_hdr->sh_type != SHT_RELA) | |
356 | abort (); | |
357 | ||
22b75d0a DM |
358 | /* The address of an ELF reloc is section relative for an object |
359 | file, and absolute for an executable file or shared library. | |
360 | The address of a BFD reloc is always section relative. */ | |
361 | addr_offset = 0; | |
362 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
363 | addr_offset = sec->vma; | |
364 | ||
435b1e90 | 365 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 366 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 367 | src_rela = outbound_relocas; |
f65054f7 | 368 | |
db84b98a | 369 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
370 | { |
371 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
372 | arelent *ptr; |
373 | asymbol *sym; | |
374 | int n; | |
375 | ||
376 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
377 | sym = *ptr->sym_ptr_ptr; |
378 | if (sym == last_sym) | |
379 | n = last_sym_idx; | |
380 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
381 | n = STN_UNDEF; | |
382 | else | |
383 | { | |
384 | last_sym = sym; | |
385 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
386 | if (n < 0) | |
387 | { | |
b34976b6 | 388 | *failedp = TRUE; |
f65054f7 RH |
389 | return; |
390 | } | |
391 | last_sym_idx = n; | |
392 | } | |
393 | ||
394 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
395 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
396 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
397 | { | |
b34976b6 | 398 | *failedp = TRUE; |
f65054f7 RH |
399 | return; |
400 | } | |
401 | ||
402 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 403 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
404 | { |
405 | arelent *r = sec->orelocation[idx + 1]; | |
406 | ||
407 | if (r->howto->type == R_SPARC_13 | |
408 | && r->address == ptr->address | |
409 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
410 | && (*r->sym_ptr_ptr)->value == 0) | |
411 | { | |
412 | idx++; | |
413 | dst_rela.r_info | |
414 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
415 | R_SPARC_OLO10)); | |
416 | } | |
417 | else | |
418 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
419 | } | |
420 | else | |
421 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
422 | ||
22b75d0a | 423 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 424 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 425 | |
947216bf | 426 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 427 | ++src_rela; |
f65054f7 | 428 | } |
252b5132 | 429 | } |
587ff49e | 430 | \f |
22b75d0a DM |
431 | /* Hook called by the linker routine which adds symbols from an object |
432 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 433 | |
22b75d0a DM |
434 | static bfd_boolean |
435 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, | |
436 | Elf_Internal_Sym *sym, const char **namep, | |
437 | flagword *flagsp ATTRIBUTE_UNUSED, | |
438 | asection **secp ATTRIBUTE_UNUSED, | |
439 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 440 | { |
22b75d0a | 441 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 442 | |
a43942db | 443 | if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC |
f1885d1e AM |
444 | && (abfd->flags & DYNAMIC) == 0 |
445 | && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour) | |
a43942db | 446 | elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc; |
d0c9aeb3 | 447 | |
22b75d0a DM |
448 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
449 | { | |
450 | int reg; | |
451 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 452 | |
22b75d0a DM |
453 | reg = (int)sym->st_value; |
454 | switch (reg & ~1) | |
455 | { | |
456 | case 2: reg -= 2; break; | |
457 | case 6: reg -= 4; break; | |
458 | default: | |
4eca0228 | 459 | _bfd_error_handler |
07d6d2b8 AM |
460 | (_("%B: Only registers %%g[2367] can be declared using STT_REGISTER"), |
461 | abfd); | |
22b75d0a DM |
462 | return FALSE; |
463 | } | |
40937810 | 464 | |
f13a99db | 465 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 466 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 467 | { |
22b75d0a DM |
468 | /* STT_REGISTER only works when linking an elf64_sparc object. |
469 | If STT_REGISTER comes from a dynamic object, don't put it into | |
470 | the output bfd. The dynamic linker will recheck it. */ | |
471 | *namep = NULL; | |
472 | return TRUE; | |
07d6d2b8 | 473 | } |
40937810 | 474 | |
22b75d0a | 475 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 476 | |
22b75d0a DM |
477 | if (p->name != NULL && strcmp (p->name, *namep)) |
478 | { | |
4eca0228 | 479 | _bfd_error_handler |
695344c0 | 480 | /* xgettext:c-format */ |
c08bb8dd AM |
481 | (_("Register %%g%d used incompatibly: %s in %B," |
482 | " previously %s in %B"), | |
483 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, | |
484 | *p->name ? p->name : "#scratch", p->abfd); | |
22b75d0a DM |
485 | return FALSE; |
486 | } | |
40937810 | 487 | |
22b75d0a DM |
488 | if (p->name == NULL) |
489 | { | |
490 | if (**namep) | |
491 | { | |
492 | struct elf_link_hash_entry *h; | |
40937810 | 493 | |
22b75d0a DM |
494 | h = (struct elf_link_hash_entry *) |
495 | bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE); | |
40937810 | 496 | |
22b75d0a DM |
497 | if (h != NULL) |
498 | { | |
499 | unsigned char type = h->type; | |
40937810 | 500 | |
22b75d0a DM |
501 | if (type > STT_FUNC) |
502 | type = 0; | |
4eca0228 | 503 | _bfd_error_handler |
695344c0 | 504 | /* xgettext:c-format */ |
c08bb8dd AM |
505 | (_("Symbol `%s' has differing types: REGISTER in %B," |
506 | " previously %s in %B"), | |
507 | *namep, abfd, stt_types[type], p->abfd); | |
22b75d0a DM |
508 | return FALSE; |
509 | } | |
40937810 | 510 | |
22b75d0a DM |
511 | p->name = bfd_hash_allocate (&info->hash->table, |
512 | strlen (*namep) + 1); | |
513 | if (!p->name) | |
514 | return FALSE; | |
40937810 | 515 | |
22b75d0a DM |
516 | strcpy (p->name, *namep); |
517 | } | |
518 | else | |
519 | p->name = ""; | |
520 | p->bind = ELF_ST_BIND (sym->st_info); | |
521 | p->abfd = abfd; | |
522 | p->shndx = sym->st_shndx; | |
523 | } | |
524 | else | |
525 | { | |
526 | if (p->bind == STB_WEAK | |
527 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
528 | { | |
529 | p->bind = STB_GLOBAL; | |
530 | p->abfd = abfd; | |
531 | } | |
532 | } | |
533 | *namep = NULL; | |
534 | return TRUE; | |
535 | } | |
536 | else if (*namep && **namep | |
f13a99db | 537 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
538 | { |
539 | int i; | |
540 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 541 | |
22b75d0a DM |
542 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
543 | for (i = 0; i < 4; i++, p++) | |
544 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
545 | { | |
546 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 547 | |
22b75d0a DM |
548 | if (type > STT_FUNC) |
549 | type = 0; | |
4eca0228 | 550 | _bfd_error_handler |
695344c0 | 551 | /* xgettext:c-format */ |
c08bb8dd AM |
552 | (_("Symbol `%s' has differing types: %s in %B," |
553 | " previously REGISTER in %B"), | |
554 | *namep, stt_types[type], abfd, p->abfd); | |
22b75d0a DM |
555 | return FALSE; |
556 | } | |
557 | } | |
40937810 JJ |
558 | return TRUE; |
559 | } | |
560 | ||
22b75d0a DM |
561 | /* This function takes care of emitting STT_REGISTER symbols |
562 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 563 | |
22b75d0a DM |
564 | static bfd_boolean |
565 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, | |
566 | struct bfd_link_info *info, | |
2c3fc389 NC |
567 | void * flaginfo, |
568 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
569 | Elf_Internal_Sym *, |
570 | asection *, | |
571 | struct elf_link_hash_entry *)) | |
587ff49e | 572 | { |
22b75d0a DM |
573 | int reg; |
574 | struct _bfd_sparc_elf_app_reg *app_regs = | |
575 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
576 | Elf_Internal_Sym sym; | |
40937810 | 577 | |
22b75d0a DM |
578 | /* We arranged in size_dynamic_sections to put the STT_REGISTER entries |
579 | at the end of the dynlocal list, so they came at the end of the local | |
580 | symbols in the symtab. Except that they aren't STB_LOCAL, so we need | |
581 | to back up symtab->sh_info. */ | |
582 | if (elf_hash_table (info)->dynlocal) | |
583 | { | |
584 | bfd * dynobj = elf_hash_table (info)->dynobj; | |
3d4d4302 | 585 | asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym"); |
22b75d0a | 586 | struct elf_link_local_dynamic_entry *e; |
40937810 | 587 | |
22b75d0a DM |
588 | for (e = elf_hash_table (info)->dynlocal; e ; e = e->next) |
589 | if (e->input_indx == -1) | |
590 | break; | |
591 | if (e) | |
592 | { | |
593 | elf_section_data (dynsymsec->output_section)->this_hdr.sh_info | |
594 | = e->dynindx; | |
595 | } | |
596 | } | |
a51a7930 | 597 | |
22b75d0a DM |
598 | if (info->strip == strip_all) |
599 | return TRUE; | |
587ff49e | 600 | |
22b75d0a DM |
601 | for (reg = 0; reg < 4; reg++) |
602 | if (app_regs [reg].name != NULL) | |
603 | { | |
604 | if (info->strip == strip_some | |
605 | && bfd_hash_lookup (info->keep_hash, | |
606 | app_regs [reg].name, | |
607 | FALSE, FALSE) == NULL) | |
608 | continue; | |
587ff49e | 609 | |
22b75d0a DM |
610 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
611 | sym.st_size = 0; | |
612 | sym.st_other = 0; | |
613 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
614 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 615 | sym.st_target_internal = 0; |
57402f1e | 616 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
617 | sym.st_shndx == SHN_ABS |
618 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
619 | NULL) != 1) | |
22b75d0a DM |
620 | return FALSE; |
621 | } | |
435b1e90 | 622 | |
22b75d0a DM |
623 | return TRUE; |
624 | } | |
40937810 | 625 | |
22b75d0a DM |
626 | static int |
627 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 628 | { |
22b75d0a DM |
629 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
630 | return STT_REGISTER; | |
631 | else | |
632 | return type; | |
40937810 JJ |
633 | } |
634 | ||
22b75d0a DM |
635 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
636 | even in SHN_UNDEF section. */ | |
587ff49e | 637 | |
22b75d0a DM |
638 | static void |
639 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 640 | { |
22b75d0a | 641 | elf_symbol_type *elfsym; |
587ff49e | 642 | |
22b75d0a DM |
643 | elfsym = (elf_symbol_type *) asym; |
644 | if (elfsym->internal_elf_sym.st_info | |
645 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 646 | { |
22b75d0a | 647 | asym->flags |= BSF_GLOBAL; |
587ff49e | 648 | } |
587ff49e | 649 | } |
a51a7930 | 650 | |
22b75d0a DM |
651 | \f |
652 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 653 | |
22b75d0a DM |
654 | /* Merge backend specific data from an object file to the output |
655 | object file when linking. */ | |
a51a7930 EB |
656 | |
657 | static bfd_boolean | |
50e03d47 | 658 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 659 | { |
50e03d47 | 660 | bfd *obfd = info->output_bfd; |
22b75d0a DM |
661 | bfd_boolean error; |
662 | flagword new_flags, old_flags; | |
663 | int new_mm, old_mm; | |
40937810 | 664 | |
22b75d0a DM |
665 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
666 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
667 | return TRUE; | |
40937810 | 668 | |
22b75d0a DM |
669 | new_flags = elf_elfheader (ibfd)->e_flags; |
670 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 671 | |
22b75d0a DM |
672 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
673 | { | |
674 | elf_flags_init (obfd) = TRUE; | |
675 | elf_elfheader (obfd)->e_flags = new_flags; | |
676 | } | |
40937810 | 677 | |
22b75d0a DM |
678 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
679 | ; | |
40937810 | 680 | |
07d6d2b8 | 681 | else /* Incompatible flags */ |
40937810 | 682 | { |
22b75d0a | 683 | error = FALSE; |
40937810 | 684 | |
22b75d0a DM |
685 | #define EF_SPARC_ISA_EXTENSIONS \ |
686 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 687 | |
37fb6db1 ILT |
688 | if ((ibfd->flags & DYNAMIC) != 0) |
689 | { | |
690 | /* We don't want dynamic objects memory ordering and | |
691 | architecture to have any role. That's what dynamic linker | |
692 | should do. */ | |
19f7b010 | 693 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 694 | new_flags |= (old_flags |
19f7b010 | 695 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
696 | } |
697 | else | |
698 | { | |
699 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
700 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
701 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
702 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
703 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 704 | { |
b34976b6 | 705 | error = TRUE; |
4eca0228 | 706 | _bfd_error_handler |
d003868e AM |
707 | (_("%B: linking UltraSPARC specific with HAL specific code"), |
708 | ibfd); | |
37fb6db1 ILT |
709 | } |
710 | /* Choose the most restrictive memory ordering. */ | |
711 | old_mm = (old_flags & EF_SPARCV9_MM); | |
712 | new_mm = (new_flags & EF_SPARCV9_MM); | |
713 | old_flags &= ~EF_SPARCV9_MM; | |
714 | new_flags &= ~EF_SPARCV9_MM; | |
715 | if (new_mm < old_mm) | |
716 | old_mm = new_mm; | |
717 | old_flags |= old_mm; | |
718 | new_flags |= old_mm; | |
719 | } | |
252b5132 RH |
720 | |
721 | /* Warn about any other mismatches */ | |
722 | if (new_flags != old_flags) | |
07d6d2b8 AM |
723 | { |
724 | error = TRUE; | |
4eca0228 | 725 | _bfd_error_handler |
695344c0 | 726 | /* xgettext:c-format */ |
07d6d2b8 AM |
727 | (_("%B: uses different e_flags (%#x) fields than previous modules (%#x)"), |
728 | ibfd, new_flags, old_flags); | |
729 | } | |
252b5132 RH |
730 | |
731 | elf_elfheader (obfd)->e_flags = old_flags; | |
732 | ||
733 | if (error) | |
07d6d2b8 AM |
734 | { |
735 | bfd_set_error (bfd_error_bad_value); | |
736 | return FALSE; | |
737 | } | |
252b5132 | 738 | } |
50e03d47 | 739 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 740 | } |
0594c12d AM |
741 | |
742 | /* MARCO: Set the correct entry size for the .stab section. */ | |
743 | ||
b34976b6 | 744 | static bfd_boolean |
22b75d0a DM |
745 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
746 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
747 | asection *sec) | |
0594c12d AM |
748 | { |
749 | const char *name; | |
750 | ||
751 | name = bfd_get_section_name (abfd, sec); | |
752 | ||
753 | if (strcmp (name, ".stab") == 0) | |
754 | { | |
755 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
756 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
757 | } | |
b34976b6 AM |
758 | |
759 | return TRUE; | |
0594c12d | 760 | } |
587ff49e RH |
761 | \f |
762 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 763 | |
587ff49e | 764 | static const char * |
2c3fc389 | 765 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 766 | asymbol *symbol) |
587ff49e RH |
767 | { |
768 | FILE *file = (FILE *) filep; | |
769 | int reg, type; | |
435b1e90 | 770 | |
587ff49e RH |
771 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
772 | != STT_REGISTER) | |
773 | return NULL; | |
774 | ||
775 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
776 | type = symbol->flags; | |
777 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
778 | ((type & BSF_LOCAL) | |
779 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
780 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
781 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
782 | if (symbol->name == NULL || symbol->name [0] == '\0') |
783 | return "#scratch"; | |
784 | else | |
785 | return symbol->name; | |
786 | } | |
252b5132 | 787 | \f |
40937810 | 788 | static enum elf_reloc_type_class |
7e612e98 AM |
789 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
790 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
791 | const Elf_Internal_Rela *rela) | |
40937810 JJ |
792 | { |
793 | switch ((int) ELF64_R_TYPE (rela->r_info)) | |
794 | { | |
795 | case R_SPARC_RELATIVE: | |
796 | return reloc_class_relative; | |
797 | case R_SPARC_JMP_SLOT: | |
798 | return reloc_class_plt; | |
799 | case R_SPARC_COPY: | |
800 | return reloc_class_copy; | |
801 | default: | |
802 | return reloc_class_normal; | |
803 | } | |
804 | } | |
805 | ||
f65054f7 RH |
806 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
807 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
808 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
809 | relocation handling routines. */ | |
810 | ||
22b75d0a | 811 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
812 | { |
813 | sizeof (Elf64_External_Ehdr), | |
814 | sizeof (Elf64_External_Phdr), | |
815 | sizeof (Elf64_External_Shdr), | |
816 | sizeof (Elf64_External_Rel), | |
817 | sizeof (Elf64_External_Rela), | |
818 | sizeof (Elf64_External_Sym), | |
819 | sizeof (Elf64_External_Dyn), | |
820 | sizeof (Elf_External_Note), | |
ae9a127f NC |
821 | 4, /* hash-table entry size. */ |
822 | /* Internal relocations per external relocations. | |
f65054f7 RH |
823 | For link purposes we use just 1 internal per |
824 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 825 | we use 2. */ |
f65054f7 | 826 | 1, |
ae9a127f | 827 | 64, /* arch_size. */ |
45d6a902 | 828 | 3, /* log_file_align. */ |
f65054f7 RH |
829 | ELFCLASS64, |
830 | EV_CURRENT, | |
831 | bfd_elf64_write_out_phdrs, | |
832 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 833 | bfd_elf64_checksum_contents, |
22b75d0a | 834 | elf64_sparc_write_relocs, |
73ff0d56 | 835 | bfd_elf64_swap_symbol_in, |
f65054f7 | 836 | bfd_elf64_swap_symbol_out, |
22b75d0a | 837 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
838 | bfd_elf64_slurp_symbol_table, |
839 | bfd_elf64_swap_dyn_in, | |
840 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
841 | bfd_elf64_swap_reloc_in, |
842 | bfd_elf64_swap_reloc_out, | |
843 | bfd_elf64_swap_reloca_in, | |
844 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
845 | }; |
846 | ||
6d00b590 | 847 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
848 | #define TARGET_BIG_NAME "elf64-sparc" |
849 | #define ELF_ARCH bfd_arch_sparc | |
850 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 851 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
852 | |
853 | /* This is the official ABI value. */ | |
854 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
855 | ||
856 | /* This is the value that we used before the ABI was released. */ | |
857 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
858 | ||
22b75d0a DM |
859 | #define elf_backend_reloc_type_class \ |
860 | elf64_sparc_reloc_type_class | |
f65054f7 | 861 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 862 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 863 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 864 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 865 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 866 | elf64_sparc_canonicalize_reloc |
f65054f7 | 867 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 868 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
869 | #define bfd_elf64_set_reloc \ |
870 | elf64_sparc_set_reloc | |
22b75d0a DM |
871 | #define elf_backend_add_symbol_hook \ |
872 | elf64_sparc_add_symbol_hook | |
873 | #define elf_backend_get_symbol_type \ | |
874 | elf64_sparc_get_symbol_type | |
875 | #define elf_backend_symbol_processing \ | |
876 | elf64_sparc_symbol_processing | |
877 | #define elf_backend_print_symbol_all \ | |
878 | elf64_sparc_print_symbol_all | |
879 | #define elf_backend_output_arch_syms \ | |
880 | elf64_sparc_output_arch_syms | |
881 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
882 | elf64_sparc_merge_private_bfd_data | |
883 | #define elf_backend_fake_sections \ | |
884 | elf64_sparc_fake_sections | |
885 | #define elf_backend_size_info \ | |
886 | elf64_sparc_size_info | |
887 | ||
888 | #define elf_backend_plt_sym_val \ | |
889 | _bfd_sparc_elf_plt_sym_val | |
890 | #define bfd_elf64_bfd_link_hash_table_create \ | |
891 | _bfd_sparc_elf_link_hash_table_create | |
892 | #define elf_info_to_howto \ | |
893 | _bfd_sparc_elf_info_to_howto | |
894 | #define elf_backend_copy_indirect_symbol \ | |
895 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 896 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 897 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
898 | #define bfd_elf64_bfd_reloc_name_lookup \ |
899 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 900 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 901 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 902 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 903 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
904 | |
905 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 906 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
907 | #define elf_backend_relocs_compatible \ |
908 | _bfd_elf_relocs_compatible | |
252b5132 | 909 | #define elf_backend_check_relocs \ |
22b75d0a | 910 | _bfd_sparc_elf_check_relocs |
252b5132 | 911 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 912 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 913 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 914 | _bfd_sparc_elf_omit_section_dynsym |
252b5132 | 915 | #define elf_backend_size_dynamic_sections \ |
22b75d0a | 916 | _bfd_sparc_elf_size_dynamic_sections |
252b5132 | 917 | #define elf_backend_relocate_section \ |
22b75d0a | 918 | _bfd_sparc_elf_relocate_section |
252b5132 | 919 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 920 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 921 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 922 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
923 | #define elf_backend_fixup_symbol \ |
924 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 925 | |
40937810 | 926 | #define bfd_elf64_mkobject \ |
22b75d0a | 927 | _bfd_sparc_elf_mkobject |
252b5132 | 928 | #define elf_backend_object_p \ |
22b75d0a | 929 | _bfd_sparc_elf_object_p |
40937810 | 930 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 931 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
932 | #define elf_backend_init_index_section \ |
933 | _bfd_elf_init_1_index_section | |
252b5132 | 934 | |
40937810 JJ |
935 | #define elf_backend_can_gc_sections 1 |
936 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
937 | #define elf_backend_want_got_plt 0 |
938 | #define elf_backend_plt_readonly 0 | |
939 | #define elf_backend_want_plt_sym 1 | |
40937810 | 940 | #define elf_backend_got_header_size 8 |
5474d94f | 941 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 942 | #define elf_backend_rela_normal 1 |
252b5132 RH |
943 | |
944 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
945 | #define elf_backend_plt_alignment 8 | |
946 | ||
252b5132 | 947 | #include "elf64-target.h" |
71a75f6f MF |
948 | |
949 | /* FreeBSD support */ | |
950 | #undef TARGET_BIG_SYM | |
6d00b590 | 951 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
952 | #undef TARGET_BIG_NAME |
953 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
954 | #undef ELF_OSABI |
955 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 956 | |
71a75f6f MF |
957 | #undef elf64_bed |
958 | #define elf64_bed elf64_sparc_fbsd_bed | |
959 | ||
960 | #include "elf64-target.h" | |
961 | ||
1360ba76 RO |
962 | /* Solaris 2. */ |
963 | ||
964 | #undef TARGET_BIG_SYM | |
6d00b590 | 965 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
966 | #undef TARGET_BIG_NAME |
967 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
968 | ||
969 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
970 | objects won't be recognized. */ | |
971 | #undef ELF_OSABI | |
972 | ||
973 | #undef elf64_bed | |
974 | #define elf64_bed elf64_sparc_sol2_bed | |
975 | ||
976 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
977 | boundary. */ | |
978 | #undef elf_backend_static_tls_alignment | |
979 | #define elf_backend_static_tls_alignment 16 | |
980 | ||
981 | #include "elf64-target.h" |