Commit | Line | Data |
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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 | { |
0aa13fee | 125 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, 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); | |
0aa13fee | 130 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, R_SPARC_13); |
f65054f7 RH |
131 | } |
132 | else | |
f3185997 NC |
133 | { |
134 | relent->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type); | |
135 | if (relent->howto == NULL) | |
136 | goto error_return; | |
137 | } | |
f65054f7 RH |
138 | } |
139 | ||
3e1d7f19 | 140 | canon_reloc_count (asect) += relent - relents; |
f65054f7 RH |
141 | |
142 | if (allocated != NULL) | |
143 | free (allocated); | |
144 | ||
b34976b6 | 145 | return TRUE; |
f65054f7 RH |
146 | |
147 | error_return: | |
148 | if (allocated != NULL) | |
149 | free (allocated); | |
b34976b6 | 150 | return FALSE; |
f65054f7 RH |
151 | } |
152 | ||
153 | /* Read in and swap the external relocs. */ | |
154 | ||
b34976b6 | 155 | static bfd_boolean |
22b75d0a DM |
156 | elf64_sparc_slurp_reloc_table (bfd *abfd, asection *asect, |
157 | asymbol **symbols, bfd_boolean dynamic) | |
f65054f7 RH |
158 | { |
159 | struct bfd_elf_section_data * const d = elf_section_data (asect); | |
160 | Elf_Internal_Shdr *rel_hdr; | |
161 | Elf_Internal_Shdr *rel_hdr2; | |
dc810e39 | 162 | bfd_size_type amt; |
f65054f7 RH |
163 | |
164 | if (asect->relocation != NULL) | |
b34976b6 | 165 | return TRUE; |
f65054f7 RH |
166 | |
167 | if (! dynamic) | |
168 | { | |
169 | if ((asect->flags & SEC_RELOC) == 0 | |
170 | || asect->reloc_count == 0) | |
b34976b6 | 171 | return TRUE; |
f65054f7 | 172 | |
d4730f92 BS |
173 | rel_hdr = d->rel.hdr; |
174 | rel_hdr2 = d->rela.hdr; | |
f65054f7 | 175 | |
d4730f92 | 176 | BFD_ASSERT ((rel_hdr && asect->rel_filepos == rel_hdr->sh_offset) |
f65054f7 RH |
177 | || (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset)); |
178 | } | |
179 | else | |
180 | { | |
181 | /* Note that ASECT->RELOC_COUNT tends not to be accurate in this | |
182 | case because relocations against this section may use the | |
183 | dynamic symbol table, and in that case bfd_section_from_shdr | |
184 | in elf.c does not update the RELOC_COUNT. */ | |
eea6121a | 185 | if (asect->size == 0) |
b34976b6 | 186 | return TRUE; |
f65054f7 RH |
187 | |
188 | rel_hdr = &d->this_hdr; | |
d9bc7a44 | 189 | asect->reloc_count = NUM_SHDR_ENTRIES (rel_hdr); |
f65054f7 RH |
190 | rel_hdr2 = NULL; |
191 | } | |
192 | ||
dc810e39 AM |
193 | amt = asect->reloc_count; |
194 | amt *= 2 * sizeof (arelent); | |
195 | asect->relocation = (arelent *) bfd_alloc (abfd, amt); | |
f65054f7 | 196 | if (asect->relocation == NULL) |
b34976b6 | 197 | return FALSE; |
f65054f7 | 198 | |
22b75d0a | 199 | /* The elf64_sparc_slurp_one_reloc_table routine increments |
3e1d7f19 JJ |
200 | canon_reloc_count. */ |
201 | canon_reloc_count (asect) = 0; | |
435b1e90 | 202 | |
d4730f92 BS |
203 | if (rel_hdr |
204 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr, symbols, | |
205 | dynamic)) | |
b34976b6 | 206 | return FALSE; |
435b1e90 KH |
207 | |
208 | if (rel_hdr2 | |
22b75d0a | 209 | && !elf64_sparc_slurp_one_reloc_table (abfd, asect, rel_hdr2, symbols, |
f65054f7 | 210 | dynamic)) |
b34976b6 | 211 | return FALSE; |
f65054f7 | 212 | |
b34976b6 | 213 | return TRUE; |
f65054f7 RH |
214 | } |
215 | ||
3e1d7f19 JJ |
216 | /* Canonicalize the relocs. */ |
217 | ||
218 | static long | |
22b75d0a DM |
219 | elf64_sparc_canonicalize_reloc (bfd *abfd, sec_ptr section, |
220 | arelent **relptr, asymbol **symbols) | |
3e1d7f19 JJ |
221 | { |
222 | arelent *tblptr; | |
223 | unsigned int i; | |
9c5bfbb7 | 224 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); |
3e1d7f19 JJ |
225 | |
226 | if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE)) | |
227 | return -1; | |
228 | ||
229 | tblptr = section->relocation; | |
230 | for (i = 0; i < canon_reloc_count (section); i++) | |
231 | *relptr++ = tblptr++; | |
232 | ||
233 | *relptr = NULL; | |
234 | ||
235 | return canon_reloc_count (section); | |
236 | } | |
237 | ||
238 | ||
f65054f7 RH |
239 | /* Canonicalize the dynamic relocation entries. Note that we return |
240 | the dynamic relocations as a single block, although they are | |
241 | actually associated with particular sections; the interface, which | |
242 | was designed for SunOS style shared libraries, expects that there | |
243 | is only one set of dynamic relocs. Any section that was actually | |
244 | installed in the BFD, and has type SHT_REL or SHT_RELA, and uses | |
245 | the dynamic symbol table, is considered to be a dynamic reloc | |
246 | section. */ | |
247 | ||
248 | static long | |
22b75d0a DM |
249 | elf64_sparc_canonicalize_dynamic_reloc (bfd *abfd, arelent **storage, |
250 | asymbol **syms) | |
f65054f7 RH |
251 | { |
252 | asection *s; | |
253 | long ret; | |
254 | ||
255 | if (elf_dynsymtab (abfd) == 0) | |
256 | { | |
257 | bfd_set_error (bfd_error_invalid_operation); | |
258 | return -1; | |
259 | } | |
260 | ||
261 | ret = 0; | |
262 | for (s = abfd->sections; s != NULL; s = s->next) | |
263 | { | |
264 | if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd) | |
265 | && (elf_section_data (s)->this_hdr.sh_type == SHT_RELA)) | |
266 | { | |
267 | arelent *p; | |
268 | long count, i; | |
269 | ||
22b75d0a | 270 | if (! elf64_sparc_slurp_reloc_table (abfd, s, syms, TRUE)) |
f65054f7 | 271 | return -1; |
3e1d7f19 | 272 | count = canon_reloc_count (s); |
f65054f7 RH |
273 | p = s->relocation; |
274 | for (i = 0; i < count; i++) | |
275 | *storage++ = p++; | |
276 | ret += count; | |
277 | } | |
278 | } | |
279 | ||
280 | *storage = NULL; | |
281 | ||
282 | return ret; | |
283 | } | |
284 | ||
db84b98a JM |
285 | /* Install a new set of internal relocs. */ |
286 | ||
287 | static void | |
288 | elf64_sparc_set_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
07d6d2b8 AM |
289 | asection *asect, |
290 | arelent **location, | |
291 | unsigned int count) | |
db84b98a JM |
292 | { |
293 | asect->orelocation = location; | |
294 | canon_reloc_count (asect) = count; | |
295 | } | |
296 | ||
f65054f7 RH |
297 | /* Write out the relocs. */ |
298 | ||
299 | static void | |
2c3fc389 | 300 | elf64_sparc_write_relocs (bfd *abfd, asection *sec, void * data) |
f65054f7 | 301 | { |
b34976b6 | 302 | bfd_boolean *failedp = (bfd_boolean *) data; |
f65054f7 | 303 | Elf_Internal_Shdr *rela_hdr; |
22b75d0a | 304 | bfd_vma addr_offset; |
37fb6db1 | 305 | Elf64_External_Rela *outbound_relocas, *src_rela; |
f65054f7 RH |
306 | unsigned int idx, count; |
307 | asymbol *last_sym = 0; | |
308 | int last_sym_idx = 0; | |
309 | ||
310 | /* If we have already failed, don't do anything. */ | |
311 | if (*failedp) | |
312 | return; | |
313 | ||
314 | if ((sec->flags & SEC_RELOC) == 0) | |
315 | return; | |
316 | ||
317 | /* The linker backend writes the relocs out itself, and sets the | |
318 | reloc_count field to zero to inhibit writing them here. Also, | |
319 | sometimes the SEC_RELOC flag gets set even when there aren't any | |
320 | relocs. */ | |
db84b98a | 321 | if (canon_reloc_count (sec) == 0) |
f65054f7 RH |
322 | return; |
323 | ||
324 | /* We can combine two relocs that refer to the same address | |
325 | into R_SPARC_OLO10 if first one is R_SPARC_LO10 and the | |
326 | latter is R_SPARC_13 with no associated symbol. */ | |
327 | count = 0; | |
db84b98a | 328 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
329 | { |
330 | bfd_vma addr; | |
f65054f7 RH |
331 | |
332 | ++count; | |
333 | ||
334 | addr = sec->orelocation[idx]->address; | |
335 | if (sec->orelocation[idx]->howto->type == R_SPARC_LO10 | |
db84b98a | 336 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
337 | { |
338 | arelent *r = sec->orelocation[idx + 1]; | |
339 | ||
340 | if (r->howto->type == R_SPARC_13 | |
341 | && r->address == addr | |
342 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
343 | && (*r->sym_ptr_ptr)->value == 0) | |
344 | ++idx; | |
345 | } | |
346 | } | |
347 | ||
d4730f92 | 348 | rela_hdr = elf_section_data (sec)->rela.hdr; |
f65054f7 RH |
349 | |
350 | rela_hdr->sh_size = rela_hdr->sh_entsize * count; | |
2c3fc389 | 351 | rela_hdr->contents = bfd_alloc (abfd, rela_hdr->sh_size); |
f65054f7 RH |
352 | if (rela_hdr->contents == NULL) |
353 | { | |
b34976b6 | 354 | *failedp = TRUE; |
f65054f7 RH |
355 | return; |
356 | } | |
357 | ||
358 | /* Figure out whether the relocations are RELA or REL relocations. */ | |
359 | if (rela_hdr->sh_type != SHT_RELA) | |
360 | abort (); | |
361 | ||
22b75d0a DM |
362 | /* The address of an ELF reloc is section relative for an object |
363 | file, and absolute for an executable file or shared library. | |
364 | The address of a BFD reloc is always section relative. */ | |
365 | addr_offset = 0; | |
366 | if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0) | |
367 | addr_offset = sec->vma; | |
368 | ||
435b1e90 | 369 | /* orelocation has the data, reloc_count has the count... */ |
f65054f7 | 370 | outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents; |
37fb6db1 | 371 | src_rela = outbound_relocas; |
f65054f7 | 372 | |
db84b98a | 373 | for (idx = 0; idx < canon_reloc_count (sec); idx++) |
f65054f7 RH |
374 | { |
375 | Elf_Internal_Rela dst_rela; | |
f65054f7 RH |
376 | arelent *ptr; |
377 | asymbol *sym; | |
378 | int n; | |
379 | ||
380 | ptr = sec->orelocation[idx]; | |
f65054f7 RH |
381 | sym = *ptr->sym_ptr_ptr; |
382 | if (sym == last_sym) | |
383 | n = last_sym_idx; | |
384 | else if (bfd_is_abs_section (sym->section) && sym->value == 0) | |
385 | n = STN_UNDEF; | |
386 | else | |
387 | { | |
388 | last_sym = sym; | |
389 | n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym); | |
390 | if (n < 0) | |
391 | { | |
b34976b6 | 392 | *failedp = TRUE; |
f65054f7 RH |
393 | return; |
394 | } | |
395 | last_sym_idx = n; | |
396 | } | |
397 | ||
398 | if ((*ptr->sym_ptr_ptr)->the_bfd != NULL | |
399 | && (*ptr->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec | |
400 | && ! _bfd_elf_validate_reloc (abfd, ptr)) | |
401 | { | |
b34976b6 | 402 | *failedp = TRUE; |
f65054f7 RH |
403 | return; |
404 | } | |
405 | ||
406 | if (ptr->howto->type == R_SPARC_LO10 | |
db84b98a | 407 | && idx < canon_reloc_count (sec) - 1) |
f65054f7 RH |
408 | { |
409 | arelent *r = sec->orelocation[idx + 1]; | |
410 | ||
411 | if (r->howto->type == R_SPARC_13 | |
412 | && r->address == ptr->address | |
413 | && bfd_is_abs_section ((*r->sym_ptr_ptr)->section) | |
414 | && (*r->sym_ptr_ptr)->value == 0) | |
415 | { | |
416 | idx++; | |
417 | dst_rela.r_info | |
418 | = ELF64_R_INFO (n, ELF64_R_TYPE_INFO (r->addend, | |
419 | R_SPARC_OLO10)); | |
420 | } | |
421 | else | |
422 | dst_rela.r_info = ELF64_R_INFO (n, R_SPARC_LO10); | |
423 | } | |
424 | else | |
425 | dst_rela.r_info = ELF64_R_INFO (n, ptr->howto->type); | |
426 | ||
22b75d0a | 427 | dst_rela.r_offset = ptr->address + addr_offset; |
f65054f7 | 428 | dst_rela.r_addend = ptr->addend; |
22b75d0a | 429 | |
947216bf | 430 | bfd_elf64_swap_reloca_out (abfd, &dst_rela, (bfd_byte *) src_rela); |
37fb6db1 | 431 | ++src_rela; |
f65054f7 | 432 | } |
252b5132 | 433 | } |
587ff49e | 434 | \f |
22b75d0a DM |
435 | /* Hook called by the linker routine which adds symbols from an object |
436 | file. We use it for STT_REGISTER symbols. */ | |
40937810 | 437 | |
22b75d0a DM |
438 | static bfd_boolean |
439 | elf64_sparc_add_symbol_hook (bfd *abfd, struct bfd_link_info *info, | |
440 | Elf_Internal_Sym *sym, const char **namep, | |
441 | flagword *flagsp ATTRIBUTE_UNUSED, | |
442 | asection **secp ATTRIBUTE_UNUSED, | |
443 | bfd_vma *valp ATTRIBUTE_UNUSED) | |
40937810 | 444 | { |
22b75d0a | 445 | static const char *const stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" }; |
40937810 | 446 | |
22b75d0a DM |
447 | if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER) |
448 | { | |
449 | int reg; | |
450 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 451 | |
22b75d0a DM |
452 | reg = (int)sym->st_value; |
453 | switch (reg & ~1) | |
454 | { | |
455 | case 2: reg -= 2; break; | |
456 | case 6: reg -= 4; break; | |
457 | default: | |
4eca0228 | 458 | _bfd_error_handler |
38f14ab8 | 459 | (_("%pB: only registers %%g[2367] can be declared using STT_REGISTER"), |
07d6d2b8 | 460 | abfd); |
22b75d0a DM |
461 | return FALSE; |
462 | } | |
40937810 | 463 | |
f13a99db | 464 | if (info->output_bfd->xvec != abfd->xvec |
22b75d0a | 465 | || (abfd->flags & DYNAMIC) != 0) |
07d6d2b8 | 466 | { |
22b75d0a DM |
467 | /* STT_REGISTER only works when linking an elf64_sparc object. |
468 | If STT_REGISTER comes from a dynamic object, don't put it into | |
469 | the output bfd. The dynamic linker will recheck it. */ | |
470 | *namep = NULL; | |
471 | return TRUE; | |
07d6d2b8 | 472 | } |
40937810 | 473 | |
22b75d0a | 474 | p = _bfd_sparc_elf_hash_table(info)->app_regs + reg; |
40937810 | 475 | |
22b75d0a DM |
476 | if (p->name != NULL && strcmp (p->name, *namep)) |
477 | { | |
4eca0228 | 478 | _bfd_error_handler |
695344c0 | 479 | /* xgettext:c-format */ |
38f14ab8 | 480 | (_("register %%g%d used incompatibly: %s in %pB," |
871b3ab2 | 481 | " previously %s in %pB"), |
c08bb8dd AM |
482 | (int) sym->st_value, **namep ? *namep : "#scratch", abfd, |
483 | *p->name ? p->name : "#scratch", p->abfd); | |
22b75d0a DM |
484 | return FALSE; |
485 | } | |
40937810 | 486 | |
22b75d0a DM |
487 | if (p->name == NULL) |
488 | { | |
489 | if (**namep) | |
490 | { | |
491 | struct elf_link_hash_entry *h; | |
40937810 | 492 | |
22b75d0a DM |
493 | h = (struct elf_link_hash_entry *) |
494 | bfd_link_hash_lookup (info->hash, *namep, FALSE, FALSE, FALSE); | |
40937810 | 495 | |
22b75d0a DM |
496 | if (h != NULL) |
497 | { | |
498 | unsigned char type = h->type; | |
40937810 | 499 | |
22b75d0a DM |
500 | if (type > STT_FUNC) |
501 | type = 0; | |
4eca0228 | 502 | _bfd_error_handler |
695344c0 | 503 | /* xgettext:c-format */ |
38f14ab8 | 504 | (_("symbol `%s' has differing types: REGISTER in %pB," |
871b3ab2 | 505 | " previously %s in %pB"), |
c08bb8dd | 506 | *namep, abfd, stt_types[type], p->abfd); |
22b75d0a DM |
507 | return FALSE; |
508 | } | |
40937810 | 509 | |
22b75d0a DM |
510 | p->name = bfd_hash_allocate (&info->hash->table, |
511 | strlen (*namep) + 1); | |
512 | if (!p->name) | |
513 | return FALSE; | |
40937810 | 514 | |
22b75d0a DM |
515 | strcpy (p->name, *namep); |
516 | } | |
517 | else | |
518 | p->name = ""; | |
519 | p->bind = ELF_ST_BIND (sym->st_info); | |
520 | p->abfd = abfd; | |
521 | p->shndx = sym->st_shndx; | |
522 | } | |
523 | else | |
524 | { | |
525 | if (p->bind == STB_WEAK | |
526 | && ELF_ST_BIND (sym->st_info) == STB_GLOBAL) | |
527 | { | |
528 | p->bind = STB_GLOBAL; | |
529 | p->abfd = abfd; | |
530 | } | |
531 | } | |
532 | *namep = NULL; | |
533 | return TRUE; | |
534 | } | |
535 | else if (*namep && **namep | |
f13a99db | 536 | && info->output_bfd->xvec == abfd->xvec) |
22b75d0a DM |
537 | { |
538 | int i; | |
539 | struct _bfd_sparc_elf_app_reg *p; | |
40937810 | 540 | |
22b75d0a DM |
541 | p = _bfd_sparc_elf_hash_table(info)->app_regs; |
542 | for (i = 0; i < 4; i++, p++) | |
543 | if (p->name != NULL && ! strcmp (p->name, *namep)) | |
544 | { | |
545 | unsigned char type = ELF_ST_TYPE (sym->st_info); | |
40937810 | 546 | |
22b75d0a DM |
547 | if (type > STT_FUNC) |
548 | type = 0; | |
4eca0228 | 549 | _bfd_error_handler |
695344c0 | 550 | /* xgettext:c-format */ |
871b3ab2 AM |
551 | (_("Symbol `%s' has differing types: %s in %pB," |
552 | " previously REGISTER in %pB"), | |
c08bb8dd | 553 | *namep, stt_types[type], abfd, p->abfd); |
22b75d0a DM |
554 | return FALSE; |
555 | } | |
556 | } | |
40937810 JJ |
557 | return TRUE; |
558 | } | |
559 | ||
22b75d0a DM |
560 | /* This function takes care of emitting STT_REGISTER symbols |
561 | which we cannot easily keep in the symbol hash table. */ | |
587ff49e | 562 | |
22b75d0a DM |
563 | static bfd_boolean |
564 | elf64_sparc_output_arch_syms (bfd *output_bfd ATTRIBUTE_UNUSED, | |
565 | struct bfd_link_info *info, | |
2c3fc389 NC |
566 | void * flaginfo, |
567 | int (*func) (void *, const char *, | |
6e0b88f1 AM |
568 | Elf_Internal_Sym *, |
569 | asection *, | |
570 | struct elf_link_hash_entry *)) | |
587ff49e | 571 | { |
22b75d0a DM |
572 | int reg; |
573 | struct _bfd_sparc_elf_app_reg *app_regs = | |
574 | _bfd_sparc_elf_hash_table(info)->app_regs; | |
575 | Elf_Internal_Sym sym; | |
40937810 | 576 | |
22b75d0a DM |
577 | /* We arranged in size_dynamic_sections to put the STT_REGISTER entries |
578 | at the end of the dynlocal list, so they came at the end of the local | |
579 | symbols in the symtab. Except that they aren't STB_LOCAL, so we need | |
580 | to back up symtab->sh_info. */ | |
581 | if (elf_hash_table (info)->dynlocal) | |
582 | { | |
583 | bfd * dynobj = elf_hash_table (info)->dynobj; | |
3d4d4302 | 584 | asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym"); |
22b75d0a | 585 | struct elf_link_local_dynamic_entry *e; |
40937810 | 586 | |
22b75d0a DM |
587 | for (e = elf_hash_table (info)->dynlocal; e ; e = e->next) |
588 | if (e->input_indx == -1) | |
589 | break; | |
590 | if (e) | |
591 | { | |
592 | elf_section_data (dynsymsec->output_section)->this_hdr.sh_info | |
593 | = e->dynindx; | |
594 | } | |
595 | } | |
a51a7930 | 596 | |
22b75d0a DM |
597 | if (info->strip == strip_all) |
598 | return TRUE; | |
587ff49e | 599 | |
22b75d0a DM |
600 | for (reg = 0; reg < 4; reg++) |
601 | if (app_regs [reg].name != NULL) | |
602 | { | |
603 | if (info->strip == strip_some | |
604 | && bfd_hash_lookup (info->keep_hash, | |
605 | app_regs [reg].name, | |
606 | FALSE, FALSE) == NULL) | |
607 | continue; | |
587ff49e | 608 | |
22b75d0a DM |
609 | sym.st_value = reg < 2 ? reg + 2 : reg + 4; |
610 | sym.st_size = 0; | |
611 | sym.st_other = 0; | |
612 | sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER); | |
613 | sym.st_shndx = app_regs [reg].shndx; | |
35fc36a8 | 614 | sym.st_target_internal = 0; |
57402f1e | 615 | if ((*func) (flaginfo, app_regs [reg].name, &sym, |
6e0b88f1 AM |
616 | sym.st_shndx == SHN_ABS |
617 | ? bfd_abs_section_ptr : bfd_und_section_ptr, | |
618 | NULL) != 1) | |
22b75d0a DM |
619 | return FALSE; |
620 | } | |
435b1e90 | 621 | |
22b75d0a DM |
622 | return TRUE; |
623 | } | |
40937810 | 624 | |
22b75d0a DM |
625 | static int |
626 | elf64_sparc_get_symbol_type (Elf_Internal_Sym *elf_sym, int type) | |
40937810 | 627 | { |
22b75d0a DM |
628 | if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER) |
629 | return STT_REGISTER; | |
630 | else | |
631 | return type; | |
40937810 JJ |
632 | } |
633 | ||
22b75d0a DM |
634 | /* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL |
635 | even in SHN_UNDEF section. */ | |
587ff49e | 636 | |
22b75d0a DM |
637 | static void |
638 | elf64_sparc_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED, asymbol *asym) | |
587ff49e | 639 | { |
22b75d0a | 640 | elf_symbol_type *elfsym; |
587ff49e | 641 | |
22b75d0a DM |
642 | elfsym = (elf_symbol_type *) asym; |
643 | if (elfsym->internal_elf_sym.st_info | |
644 | == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER)) | |
587ff49e | 645 | { |
22b75d0a | 646 | asym->flags |= BSF_GLOBAL; |
587ff49e | 647 | } |
587ff49e | 648 | } |
a51a7930 | 649 | |
22b75d0a DM |
650 | \f |
651 | /* Functions for dealing with the e_flags field. */ | |
a51a7930 | 652 | |
22b75d0a DM |
653 | /* Merge backend specific data from an object file to the output |
654 | object file when linking. */ | |
a51a7930 EB |
655 | |
656 | static bfd_boolean | |
50e03d47 | 657 | elf64_sparc_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) |
a51a7930 | 658 | { |
50e03d47 | 659 | bfd *obfd = info->output_bfd; |
22b75d0a DM |
660 | bfd_boolean error; |
661 | flagword new_flags, old_flags; | |
662 | int new_mm, old_mm; | |
40937810 | 663 | |
22b75d0a DM |
664 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour |
665 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
666 | return TRUE; | |
40937810 | 667 | |
22b75d0a DM |
668 | new_flags = elf_elfheader (ibfd)->e_flags; |
669 | old_flags = elf_elfheader (obfd)->e_flags; | |
40937810 | 670 | |
22b75d0a DM |
671 | if (!elf_flags_init (obfd)) /* First call, no flags set */ |
672 | { | |
673 | elf_flags_init (obfd) = TRUE; | |
674 | elf_elfheader (obfd)->e_flags = new_flags; | |
675 | } | |
40937810 | 676 | |
22b75d0a DM |
677 | else if (new_flags == old_flags) /* Compatible flags are ok */ |
678 | ; | |
40937810 | 679 | |
07d6d2b8 | 680 | else /* Incompatible flags */ |
40937810 | 681 | { |
22b75d0a | 682 | error = FALSE; |
40937810 | 683 | |
22b75d0a DM |
684 | #define EF_SPARC_ISA_EXTENSIONS \ |
685 | (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3 | EF_SPARC_HAL_R1) | |
19f7b010 | 686 | |
37fb6db1 ILT |
687 | if ((ibfd->flags & DYNAMIC) != 0) |
688 | { | |
689 | /* We don't want dynamic objects memory ordering and | |
690 | architecture to have any role. That's what dynamic linker | |
691 | should do. */ | |
19f7b010 | 692 | new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS); |
6c08d697 | 693 | new_flags |= (old_flags |
19f7b010 | 694 | & (EF_SPARCV9_MM | EF_SPARC_ISA_EXTENSIONS)); |
37fb6db1 ILT |
695 | } |
696 | else | |
697 | { | |
698 | /* Choose the highest architecture requirements. */ | |
19f7b010 JJ |
699 | old_flags |= (new_flags & EF_SPARC_ISA_EXTENSIONS); |
700 | new_flags |= (old_flags & EF_SPARC_ISA_EXTENSIONS); | |
701 | if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_SUN_US3)) | |
702 | && (old_flags & EF_SPARC_HAL_R1)) | |
37fb6db1 | 703 | { |
b34976b6 | 704 | error = TRUE; |
4eca0228 | 705 | _bfd_error_handler |
871b3ab2 | 706 | (_("%pB: linking UltraSPARC specific with HAL specific code"), |
d003868e | 707 | ibfd); |
37fb6db1 ILT |
708 | } |
709 | /* Choose the most restrictive memory ordering. */ | |
710 | old_mm = (old_flags & EF_SPARCV9_MM); | |
711 | new_mm = (new_flags & EF_SPARCV9_MM); | |
712 | old_flags &= ~EF_SPARCV9_MM; | |
713 | new_flags &= ~EF_SPARCV9_MM; | |
714 | if (new_mm < old_mm) | |
715 | old_mm = new_mm; | |
716 | old_flags |= old_mm; | |
717 | new_flags |= old_mm; | |
718 | } | |
252b5132 RH |
719 | |
720 | /* Warn about any other mismatches */ | |
721 | if (new_flags != old_flags) | |
07d6d2b8 AM |
722 | { |
723 | error = TRUE; | |
4eca0228 | 724 | _bfd_error_handler |
695344c0 | 725 | /* xgettext:c-format */ |
871b3ab2 | 726 | (_("%pB: uses different e_flags (%#x) fields than previous modules (%#x)"), |
07d6d2b8 AM |
727 | ibfd, new_flags, old_flags); |
728 | } | |
252b5132 RH |
729 | |
730 | elf_elfheader (obfd)->e_flags = old_flags; | |
731 | ||
732 | if (error) | |
07d6d2b8 AM |
733 | { |
734 | bfd_set_error (bfd_error_bad_value); | |
735 | return FALSE; | |
736 | } | |
252b5132 | 737 | } |
50e03d47 | 738 | return _bfd_sparc_elf_merge_private_bfd_data (ibfd, info); |
252b5132 | 739 | } |
0594c12d AM |
740 | |
741 | /* MARCO: Set the correct entry size for the .stab section. */ | |
742 | ||
b34976b6 | 743 | static bfd_boolean |
22b75d0a DM |
744 | elf64_sparc_fake_sections (bfd *abfd ATTRIBUTE_UNUSED, |
745 | Elf_Internal_Shdr *hdr ATTRIBUTE_UNUSED, | |
746 | asection *sec) | |
0594c12d AM |
747 | { |
748 | const char *name; | |
749 | ||
750 | name = bfd_get_section_name (abfd, sec); | |
751 | ||
752 | if (strcmp (name, ".stab") == 0) | |
753 | { | |
754 | /* Even in the 64bit case the stab entries are only 12 bytes long. */ | |
755 | elf_section_data (sec)->this_hdr.sh_entsize = 12; | |
756 | } | |
b34976b6 AM |
757 | |
758 | return TRUE; | |
0594c12d | 759 | } |
587ff49e RH |
760 | \f |
761 | /* Print a STT_REGISTER symbol to file FILE. */ | |
252b5132 | 762 | |
587ff49e | 763 | static const char * |
2c3fc389 | 764 | elf64_sparc_print_symbol_all (bfd *abfd ATTRIBUTE_UNUSED, void * filep, |
22b75d0a | 765 | asymbol *symbol) |
587ff49e RH |
766 | { |
767 | FILE *file = (FILE *) filep; | |
768 | int reg, type; | |
435b1e90 | 769 | |
587ff49e RH |
770 | if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info) |
771 | != STT_REGISTER) | |
772 | return NULL; | |
773 | ||
774 | reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value; | |
775 | type = symbol->flags; | |
776 | fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "", | |
777 | ((type & BSF_LOCAL) | |
778 | ? (type & BSF_GLOBAL) ? '!' : 'l' | |
07d6d2b8 AM |
779 | : (type & BSF_GLOBAL) ? 'g' : ' '), |
780 | (type & BSF_WEAK) ? 'w' : ' '); | |
587ff49e RH |
781 | if (symbol->name == NULL || symbol->name [0] == '\0') |
782 | return "#scratch"; | |
783 | else | |
784 | return symbol->name; | |
785 | } | |
252b5132 | 786 | \f |
40937810 | 787 | static enum elf_reloc_type_class |
7e612e98 AM |
788 | elf64_sparc_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, |
789 | const asection *rel_sec ATTRIBUTE_UNUSED, | |
790 | const Elf_Internal_Rela *rela) | |
40937810 JJ |
791 | { |
792 | switch ((int) ELF64_R_TYPE (rela->r_info)) | |
793 | { | |
794 | case R_SPARC_RELATIVE: | |
795 | return reloc_class_relative; | |
796 | case R_SPARC_JMP_SLOT: | |
797 | return reloc_class_plt; | |
798 | case R_SPARC_COPY: | |
799 | return reloc_class_copy; | |
800 | default: | |
801 | return reloc_class_normal; | |
802 | } | |
803 | } | |
804 | ||
f65054f7 RH |
805 | /* Relocations in the 64 bit SPARC ELF ABI are more complex than in |
806 | standard ELF, because R_SPARC_OLO10 has secondary addend in | |
807 | ELF64_R_TYPE_DATA field. This structure is used to redirect the | |
808 | relocation handling routines. */ | |
809 | ||
22b75d0a | 810 | const struct elf_size_info elf64_sparc_size_info = |
f65054f7 RH |
811 | { |
812 | sizeof (Elf64_External_Ehdr), | |
813 | sizeof (Elf64_External_Phdr), | |
814 | sizeof (Elf64_External_Shdr), | |
815 | sizeof (Elf64_External_Rel), | |
816 | sizeof (Elf64_External_Rela), | |
817 | sizeof (Elf64_External_Sym), | |
818 | sizeof (Elf64_External_Dyn), | |
819 | sizeof (Elf_External_Note), | |
ae9a127f NC |
820 | 4, /* hash-table entry size. */ |
821 | /* Internal relocations per external relocations. | |
f65054f7 RH |
822 | For link purposes we use just 1 internal per |
823 | 1 external, for assembly and slurp symbol table | |
435b1e90 | 824 | we use 2. */ |
f65054f7 | 825 | 1, |
ae9a127f | 826 | 64, /* arch_size. */ |
45d6a902 | 827 | 3, /* log_file_align. */ |
f65054f7 RH |
828 | ELFCLASS64, |
829 | EV_CURRENT, | |
830 | bfd_elf64_write_out_phdrs, | |
831 | bfd_elf64_write_shdrs_and_ehdr, | |
1489a3a0 | 832 | bfd_elf64_checksum_contents, |
22b75d0a | 833 | elf64_sparc_write_relocs, |
73ff0d56 | 834 | bfd_elf64_swap_symbol_in, |
f65054f7 | 835 | bfd_elf64_swap_symbol_out, |
22b75d0a | 836 | elf64_sparc_slurp_reloc_table, |
f65054f7 RH |
837 | bfd_elf64_slurp_symbol_table, |
838 | bfd_elf64_swap_dyn_in, | |
839 | bfd_elf64_swap_dyn_out, | |
947216bf AM |
840 | bfd_elf64_swap_reloc_in, |
841 | bfd_elf64_swap_reloc_out, | |
842 | bfd_elf64_swap_reloca_in, | |
843 | bfd_elf64_swap_reloca_out | |
f65054f7 RH |
844 | }; |
845 | ||
6d00b590 | 846 | #define TARGET_BIG_SYM sparc_elf64_vec |
252b5132 RH |
847 | #define TARGET_BIG_NAME "elf64-sparc" |
848 | #define ELF_ARCH bfd_arch_sparc | |
849 | #define ELF_MAXPAGESIZE 0x100000 | |
24718e3b | 850 | #define ELF_COMMONPAGESIZE 0x2000 |
252b5132 RH |
851 | |
852 | /* This is the official ABI value. */ | |
853 | #define ELF_MACHINE_CODE EM_SPARCV9 | |
854 | ||
855 | /* This is the value that we used before the ABI was released. */ | |
856 | #define ELF_MACHINE_ALT1 EM_OLD_SPARCV9 | |
857 | ||
22b75d0a DM |
858 | #define elf_backend_reloc_type_class \ |
859 | elf64_sparc_reloc_type_class | |
f65054f7 | 860 | #define bfd_elf64_get_reloc_upper_bound \ |
22b75d0a | 861 | elf64_sparc_get_reloc_upper_bound |
f65054f7 | 862 | #define bfd_elf64_get_dynamic_reloc_upper_bound \ |
22b75d0a | 863 | elf64_sparc_get_dynamic_reloc_upper_bound |
3e1d7f19 | 864 | #define bfd_elf64_canonicalize_reloc \ |
22b75d0a | 865 | elf64_sparc_canonicalize_reloc |
f65054f7 | 866 | #define bfd_elf64_canonicalize_dynamic_reloc \ |
22b75d0a | 867 | elf64_sparc_canonicalize_dynamic_reloc |
db84b98a JM |
868 | #define bfd_elf64_set_reloc \ |
869 | elf64_sparc_set_reloc | |
22b75d0a DM |
870 | #define elf_backend_add_symbol_hook \ |
871 | elf64_sparc_add_symbol_hook | |
872 | #define elf_backend_get_symbol_type \ | |
873 | elf64_sparc_get_symbol_type | |
874 | #define elf_backend_symbol_processing \ | |
875 | elf64_sparc_symbol_processing | |
876 | #define elf_backend_print_symbol_all \ | |
877 | elf64_sparc_print_symbol_all | |
878 | #define elf_backend_output_arch_syms \ | |
879 | elf64_sparc_output_arch_syms | |
880 | #define bfd_elf64_bfd_merge_private_bfd_data \ | |
881 | elf64_sparc_merge_private_bfd_data | |
882 | #define elf_backend_fake_sections \ | |
883 | elf64_sparc_fake_sections | |
884 | #define elf_backend_size_info \ | |
885 | elf64_sparc_size_info | |
886 | ||
887 | #define elf_backend_plt_sym_val \ | |
888 | _bfd_sparc_elf_plt_sym_val | |
889 | #define bfd_elf64_bfd_link_hash_table_create \ | |
890 | _bfd_sparc_elf_link_hash_table_create | |
891 | #define elf_info_to_howto \ | |
892 | _bfd_sparc_elf_info_to_howto | |
893 | #define elf_backend_copy_indirect_symbol \ | |
894 | _bfd_sparc_elf_copy_indirect_symbol | |
252b5132 | 895 | #define bfd_elf64_bfd_reloc_type_lookup \ |
22b75d0a | 896 | _bfd_sparc_elf_reloc_type_lookup |
157090f7 AM |
897 | #define bfd_elf64_bfd_reloc_name_lookup \ |
898 | _bfd_sparc_elf_reloc_name_lookup | |
f7775d95 | 899 | #define bfd_elf64_bfd_relax_section \ |
22b75d0a | 900 | _bfd_sparc_elf_relax_section |
f0abc2a1 | 901 | #define bfd_elf64_new_section_hook \ |
22b75d0a | 902 | _bfd_sparc_elf_new_section_hook |
252b5132 RH |
903 | |
904 | #define elf_backend_create_dynamic_sections \ | |
22b75d0a | 905 | _bfd_sparc_elf_create_dynamic_sections |
13285a1b AM |
906 | #define elf_backend_relocs_compatible \ |
907 | _bfd_elf_relocs_compatible | |
252b5132 | 908 | #define elf_backend_check_relocs \ |
22b75d0a | 909 | _bfd_sparc_elf_check_relocs |
252b5132 | 910 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a | 911 | _bfd_sparc_elf_adjust_dynamic_symbol |
151e5294 | 912 | #define elf_backend_omit_section_dynsym \ |
22b75d0a | 913 | _bfd_sparc_elf_omit_section_dynsym |
252b5132 | 914 | #define elf_backend_size_dynamic_sections \ |
22b75d0a | 915 | _bfd_sparc_elf_size_dynamic_sections |
252b5132 | 916 | #define elf_backend_relocate_section \ |
22b75d0a | 917 | _bfd_sparc_elf_relocate_section |
252b5132 | 918 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 919 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 920 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a | 921 | _bfd_sparc_elf_finish_dynamic_sections |
bb1dd176 QZ |
922 | #define elf_backend_fixup_symbol \ |
923 | _bfd_sparc_elf_fixup_symbol | |
252b5132 | 924 | |
40937810 | 925 | #define bfd_elf64_mkobject \ |
22b75d0a | 926 | _bfd_sparc_elf_mkobject |
252b5132 | 927 | #define elf_backend_object_p \ |
22b75d0a | 928 | _bfd_sparc_elf_object_p |
40937810 | 929 | #define elf_backend_gc_mark_hook \ |
22b75d0a | 930 | _bfd_sparc_elf_gc_mark_hook |
74541ad4 AM |
931 | #define elf_backend_init_index_section \ |
932 | _bfd_elf_init_1_index_section | |
252b5132 | 933 | |
40937810 JJ |
934 | #define elf_backend_can_gc_sections 1 |
935 | #define elf_backend_can_refcount 1 | |
252b5132 RH |
936 | #define elf_backend_want_got_plt 0 |
937 | #define elf_backend_plt_readonly 0 | |
938 | #define elf_backend_want_plt_sym 1 | |
40937810 | 939 | #define elf_backend_got_header_size 8 |
5474d94f | 940 | #define elf_backend_want_dynrelro 1 |
f0fe0e16 | 941 | #define elf_backend_rela_normal 1 |
252b5132 RH |
942 | |
943 | /* Section 5.2.4 of the ABI specifies a 256-byte boundary for the table. */ | |
944 | #define elf_backend_plt_alignment 8 | |
945 | ||
252b5132 | 946 | #include "elf64-target.h" |
71a75f6f MF |
947 | |
948 | /* FreeBSD support */ | |
949 | #undef TARGET_BIG_SYM | |
6d00b590 | 950 | #define TARGET_BIG_SYM sparc_elf64_fbsd_vec |
71a75f6f MF |
951 | #undef TARGET_BIG_NAME |
952 | #define TARGET_BIG_NAME "elf64-sparc-freebsd" | |
d1036acb L |
953 | #undef ELF_OSABI |
954 | #define ELF_OSABI ELFOSABI_FREEBSD | |
71a75f6f | 955 | |
71a75f6f MF |
956 | #undef elf64_bed |
957 | #define elf64_bed elf64_sparc_fbsd_bed | |
958 | ||
959 | #include "elf64-target.h" | |
960 | ||
1360ba76 RO |
961 | /* Solaris 2. */ |
962 | ||
963 | #undef TARGET_BIG_SYM | |
6d00b590 | 964 | #define TARGET_BIG_SYM sparc_elf64_sol2_vec |
1360ba76 RO |
965 | #undef TARGET_BIG_NAME |
966 | #define TARGET_BIG_NAME "elf64-sparc-sol2" | |
967 | ||
968 | /* Restore default: we cannot use ELFOSABI_SOLARIS, otherwise ELFOSABI_NONE | |
969 | objects won't be recognized. */ | |
970 | #undef ELF_OSABI | |
971 | ||
972 | #undef elf64_bed | |
973 | #define elf64_bed elf64_sparc_sol2_bed | |
974 | ||
975 | /* The 64-bit static TLS arena size is rounded to the nearest 16-byte | |
976 | boundary. */ | |
977 | #undef elf_backend_static_tls_alignment | |
978 | #define elf_backend_static_tls_alignment 16 | |
979 | ||
980 | #include "elf64-target.h" |