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c3b7224a 1/* 32-bit ELF support for S+core.
fd67aa11 2 Copyright (C) 2009-2024 Free Software Foundation, Inc.
c3b7224a
NC
3 Contributed by
4 Brain.lin (brain.lin@sunplusct.com)
5 Mei Ligang (ligang@sunnorth.com.cn)
6 Pei-Lin Tsai (pltsai@sunplus.com)
7
8 This file is part of BFD, the Binary File Descriptor library.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
24
c3b7224a 25#include "sysdep.h"
691bf19c 26#include "bfd.h"
c3b7224a
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27#include "libbfd.h"
28#include "libiberty.h"
29#include "elf-bfd.h"
30#include "elf/score.h"
31#include "elf/common.h"
32#include "elf/internal.h"
33#include "hashtab.h"
34#include "elf32-score.h"
35
36
c3b7224a
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37/* The SCORE ELF linker needs additional information for each symbol in
38 the global hash table. */
39struct score_elf_link_hash_entry
40{
41 struct elf_link_hash_entry root;
42
43 /* Number of R_SCORE_ABS32, R_SCORE_REL32 relocs against this symbol. */
44 unsigned int possibly_dynamic_relocs;
45
46 /* If the R_SCORE_ABS32, R_SCORE_REL32 reloc is against a readonly section. */
0a1b45a2 47 bool readonly_reloc;
c3b7224a
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48
49 /* We must not create a stub for a symbol that has relocations related to
50 taking the function's address, i.e. any but R_SCORE_CALL15 ones. */
0a1b45a2 51 bool no_fn_stub;
c3b7224a
NC
52
53 /* Are we forced local? This will only be set if we have converted
54 the initial global GOT entry to a local GOT entry. */
0a1b45a2 55 bool forced_local;
c3b7224a
NC
56};
57
58/* Traverse a score ELF linker hash table. */
59#define score_elf_link_hash_traverse(table, func, info) \
0a1b45a2
AM
60 (elf_link_hash_traverse \
61 ((table), \
62 (bool (*) (struct elf_link_hash_entry *, void *)) (func), \
c3b7224a
NC
63 (info)))
64
c3b7224a
NC
65/* This structure is used to hold .got entries while estimating got sizes. */
66struct score_got_entry
67{
68 /* The input bfd in which the symbol is defined. */
69 bfd *abfd;
70 /* The index of the symbol, as stored in the relocation r_info, if
71 we have a local symbol; -1 otherwise. */
72 long symndx;
73 union
74 {
75 /* If abfd == NULL, an address that must be stored in the got. */
76 bfd_vma address;
77 /* If abfd != NULL && symndx != -1, the addend of the relocation
78 that should be added to the symbol value. */
79 bfd_vma addend;
80 /* If abfd != NULL && symndx == -1, the hash table entry
81 corresponding to a global symbol in the got (or, local, if
82 h->forced_local). */
83 struct score_elf_link_hash_entry *h;
84 } d;
85
86 /* The offset from the beginning of the .got section to the entry
87 corresponding to this symbol+addend. If it's a global symbol
88 whose offset is yet to be decided, it's going to be -1. */
89 long gotidx;
90};
91
92/* This structure is passed to score_elf_sort_hash_table_f when sorting
93 the dynamic symbols. */
94struct score_elf_hash_sort_data
95{
96 /* The symbol in the global GOT with the lowest dynamic symbol table index. */
97 struct elf_link_hash_entry *low;
98 /* The least dynamic symbol table index corresponding to a symbol with a GOT entry. */
99 long min_got_dynindx;
100 /* The greatest dynamic symbol table index corresponding to a symbol
101 with a GOT entry that is not referenced (e.g., a dynamic symbol
102 with dynamic relocations pointing to it from non-primary GOTs). */
103 long max_unref_got_dynindx;
104 /* The greatest dynamic symbol table index not corresponding to a
105 symbol without a GOT entry. */
106 long max_non_got_dynindx;
107};
108
109struct score_got_info
110{
111 /* The global symbol in the GOT with the lowest index in the dynamic
112 symbol table. */
113 struct elf_link_hash_entry *global_gotsym;
114 /* The number of global .got entries. */
115 unsigned int global_gotno;
116 /* The number of local .got entries. */
117 unsigned int local_gotno;
118 /* The number of local .got entries we have used. */
119 unsigned int assigned_gotno;
120 /* A hash table holding members of the got. */
121 struct htab *got_entries;
122 /* In multi-got links, a pointer to the next got (err, rather, most
123 of the time, it points to the previous got). */
124 struct score_got_info *next;
125};
126
127/* A structure used to count GOT entries, for GOT entry or ELF symbol table traversal. */
128struct _score_elf_section_data
129{
130 struct bfd_elf_section_data elf;
131 union
132 {
133 struct score_got_info *got_info;
134 bfd_byte *tdata;
135 }
136 u;
137};
138
139#define score_elf_section_data(sec) \
140 ((struct _score_elf_section_data *) elf_section_data (sec))
141
142/* The size of a symbol-table entry. */
143#define SCORE_ELF_SYM_SIZE(abfd) \
144 (get_elf_backend_data (abfd)->s->sizeof_sym)
145
146/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
147 from smaller values. Start with zero, widen, *then* decrement. */
148#define MINUS_ONE (((bfd_vma)0) - 1)
149#define MINUS_TWO (((bfd_vma)0) - 2)
150
151#define PDR_SIZE 32
152
153
154/* The number of local .got entries we reserve. */
07d6d2b8 155#define SCORE_RESERVED_GOTNO (2)
c3b7224a
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156#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
157
158/* The offset of $gp from the beginning of the .got section. */
159#define ELF_SCORE_GP_OFFSET(abfd) (0x3ff0)
160
161/* The maximum size of the GOT for it to be addressable using 15-bit offsets from $gp. */
162#define SCORE_ELF_GOT_MAX_SIZE(abfd) (ELF_SCORE_GP_OFFSET(abfd) + 0x3fff)
163
164#define SCORE_ELF_STUB_SECTION_NAME (".SCORE.stub")
165#define SCORE_FUNCTION_STUB_SIZE (16)
166
167#define STUB_LW 0xc3bcc010 /* lw r29, [r28, -0x3ff0] */
168#define STUB_MOVE 0x8323bc56 /* mv r25, r3 */
169#define STUB_LI16 0x87548000 /* ori r26, .dynsym_index */
170#define STUB_BRL 0x801dbc09 /* brl r29 */
171
172#define SCORE_ELF_GOT_SIZE(abfd) \
173 (get_elf_backend_data (abfd)->s->arch_size / 8)
174
175#define SCORE_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
176 (_bfd_elf_add_dynamic_entry (info, (bfd_vma) tag, (bfd_vma) val))
177
178/* The size of an external dynamic table entry. */
179#define SCORE_ELF_DYN_SIZE(abfd) \
180 (get_elf_backend_data (abfd)->s->sizeof_dyn)
181
182/* The size of an external REL relocation. */
183#define SCORE_ELF_REL_SIZE(abfd) \
184 (get_elf_backend_data (abfd)->s->sizeof_rel)
185
186/* The default alignment for sections, as a power of two. */
187#define SCORE_ELF_LOG_FILE_ALIGN(abfd)\
188 (get_elf_backend_data (abfd)->s->log_file_align)
189
190static bfd_byte *hi16_rel_addr;
191
192/* This will be used when we sort the dynamic relocation records. */
193static bfd *reldyn_sorting_bfd;
194
195/* SCORE ELF uses two common sections. One is the usual one, and the
196 other is for small objects. All the small objects are kept
197 together, and then referenced via the gp pointer, which yields
198 faster assembler code. This is what we use for the small common
199 section. This approach is copied from ecoff.c. */
7f3a18cf
AM
200static asection score_elf_scom_section;
201static const asymbol score_elf_scom_symbol =
202 GLOBAL_SYM_INIT (".scommon", &score_elf_scom_section);
203static asection score_elf_scom_section =
204 BFD_FAKE_SECTION (score_elf_scom_section, &score_elf_scom_symbol,
205 ".scommon", 0, SEC_IS_COMMON | SEC_SMALL_DATA);
c3b7224a
NC
206
207static bfd_reloc_status_type
208score_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
07d6d2b8
AM
209 arelent *reloc_entry,
210 asymbol *symbol ATTRIBUTE_UNUSED,
211 void * data,
212 asection *input_section ATTRIBUTE_UNUSED,
213 bfd *output_bfd ATTRIBUTE_UNUSED,
214 char **error_message ATTRIBUTE_UNUSED)
c3b7224a
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215{
216 hi16_rel_addr = (bfd_byte *) data + reloc_entry->address;
217 return bfd_reloc_ok;
218}
219
220static bfd_reloc_status_type
221score_elf_lo16_reloc (bfd *abfd,
07d6d2b8
AM
222 arelent *reloc_entry,
223 asymbol *symbol ATTRIBUTE_UNUSED,
224 void * data,
225 asection *input_section,
226 bfd *output_bfd ATTRIBUTE_UNUSED,
227 char **error_message ATTRIBUTE_UNUSED)
c3b7224a
NC
228{
229 bfd_vma addend = 0, offset = 0;
230 unsigned long val;
231 unsigned long hi16_offset, hi16_value, uvalue;
232
233 hi16_value = bfd_get_32 (abfd, hi16_rel_addr);
234 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
235 addend = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
236 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
237 val = reloc_entry->addend;
238 if (reloc_entry->address > input_section->size)
239 return bfd_reloc_outofrange;
240 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
241 hi16_offset = (uvalue >> 16) << 1;
242 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
243 bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
244 offset = (uvalue & 0xffff) << 1;
245 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
246 bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
247 return bfd_reloc_ok;
248}
249
250/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
251 dangerous relocation. */
252
0a1b45a2 253static bool
c3b7224a
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254score_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
255{
256 unsigned int count;
257 asymbol **sym;
258 unsigned int i;
259
260 /* If we've already figured out what GP will be, just return it. */
261 *pgp = _bfd_get_gp_value (output_bfd);
262 if (*pgp)
0a1b45a2 263 return true;
c3b7224a
NC
264
265 count = bfd_get_symcount (output_bfd);
266 sym = bfd_get_outsymbols (output_bfd);
267
268 /* The linker script will have created a symbol named `_gp' with the
269 appropriate value. */
270 if (sym == NULL)
271 i = count;
272 else
273 {
274 for (i = 0; i < count; i++, sym++)
07d6d2b8
AM
275 {
276 const char *name;
277
278 name = bfd_asymbol_name (*sym);
279 if (*name == '_' && strcmp (name, "_gp") == 0)
280 {
281 *pgp = bfd_asymbol_value (*sym);
282 _bfd_set_gp_value (output_bfd, *pgp);
283 break;
284 }
285 }
c3b7224a
NC
286 }
287
288 if (i >= count)
289 {
290 /* Only get the error once. */
291 *pgp = 4;
292 _bfd_set_gp_value (output_bfd, *pgp);
0a1b45a2 293 return false;
c3b7224a
NC
294 }
295
0a1b45a2 296 return true;
c3b7224a
NC
297}
298
299/* We have to figure out the gp value, so that we can adjust the
300 symbol value correctly. We look up the symbol _gp in the output
301 BFD. If we can't find it, we're stuck. We cache it in the ELF
302 target data. We don't need to adjust the symbol value for an
303 external symbol if we are producing relocatable output. */
304
305static bfd_reloc_status_type
306score_elf_final_gp (bfd *output_bfd,
07d6d2b8 307 asymbol *symbol,
0a1b45a2 308 bool relocatable,
07d6d2b8
AM
309 char **error_message,
310 bfd_vma *pgp)
c3b7224a
NC
311{
312 if (bfd_is_und_section (symbol->section)
313 && ! relocatable)
314 {
315 *pgp = 0;
316 return bfd_reloc_undefined;
317 }
318
319 *pgp = _bfd_get_gp_value (output_bfd);
320 if (*pgp == 0
321 && (! relocatable
07d6d2b8 322 || (symbol->flags & BSF_SECTION_SYM) != 0))
c3b7224a
NC
323 {
324 if (relocatable)
07d6d2b8
AM
325 {
326 /* Make up a value. */
327 *pgp = symbol->section->output_section->vma + 0x4000;
328 _bfd_set_gp_value (output_bfd, *pgp);
329 }
c3b7224a 330 else if (!score_elf_assign_gp (output_bfd, pgp))
07d6d2b8
AM
331 {
332 *error_message =
333 (char *) _("GP relative relocation when _gp not defined");
334 return bfd_reloc_dangerous;
335 }
c3b7224a
NC
336 }
337
338 return bfd_reloc_ok;
339}
340
341static bfd_reloc_status_type
342score_elf_gprel15_with_gp (bfd *abfd,
07d6d2b8
AM
343 arelent *reloc_entry,
344 asection *input_section,
0a1b45a2 345 bool relocateable,
07d6d2b8
AM
346 void * data,
347 bfd_vma gp ATTRIBUTE_UNUSED)
c3b7224a 348{
c3b7224a
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349 unsigned long insn;
350
c3b7224a
NC
351 if (reloc_entry->address > input_section->size)
352 return bfd_reloc_outofrange;
353
354 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
355 if (((reloc_entry->addend & 0xffffc000) != 0)
356 && ((reloc_entry->addend & 0xffffc000) != 0xffffc000))
357 return bfd_reloc_overflow;
358
359 insn = (insn & ~0x7fff) | (reloc_entry->addend & 0x7fff);
360 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
361 if (relocateable)
362 reloc_entry->address += input_section->output_offset;
363
364 return bfd_reloc_ok;
365}
366
367static bfd_reloc_status_type
368gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
0a1b45a2 369 asection *input_section, bool relocatable,
07d6d2b8 370 void *data, bfd_vma gp)
c3b7224a
NC
371{
372 bfd_vma relocation;
373 bfd_vma val;
374
375 if (bfd_is_com_section (symbol->section))
376 relocation = 0;
377 else
378 relocation = symbol->value;
379
380 relocation += symbol->section->output_section->vma;
381 relocation += symbol->section->output_offset;
382
383 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
384 return bfd_reloc_outofrange;
385
386 /* Set val to the offset into the section or symbol. */
387 val = reloc_entry->addend;
388
389 if (reloc_entry->howto->partial_inplace)
390 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
391
392 /* Adjust val for the final section location and GP value. If we
393 are producing relocatable output, we don't want to do this for
394 an external symbol. */
395 if (! relocatable
396 || (symbol->flags & BSF_SECTION_SYM) != 0)
397 val += relocation - gp;
398
399 if (reloc_entry->howto->partial_inplace)
400 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
401 else
402 reloc_entry->addend = val;
403
404 if (relocatable)
405 reloc_entry->address += input_section->output_offset;
406
407 return bfd_reloc_ok;
408}
409
410static bfd_reloc_status_type
411score_elf_gprel15_reloc (bfd *abfd,
07d6d2b8
AM
412 arelent *reloc_entry,
413 asymbol *symbol,
414 void * data,
415 asection *input_section,
416 bfd *output_bfd,
417 char **error_message)
c3b7224a 418{
0a1b45a2 419 bool relocateable;
c3b7224a
NC
420 bfd_reloc_status_type ret;
421 bfd_vma gp;
422
423 if (output_bfd != NULL
424 && (symbol->flags & BSF_SECTION_SYM) == 0 && reloc_entry->addend == 0)
425 {
426 reloc_entry->address += input_section->output_offset;
427 return bfd_reloc_ok;
428 }
429 if (output_bfd != NULL)
0a1b45a2 430 relocateable = true;
c3b7224a
NC
431 else
432 {
0a1b45a2 433 relocateable = false;
c3b7224a 434 output_bfd = symbol->section->output_section->owner;
804439b4
NC
435 if (output_bfd == NULL)
436 return bfd_reloc_undefined;
c3b7224a
NC
437 }
438
439 ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
440 if (ret != bfd_reloc_ok)
441 return ret;
442
9bc8e54b 443 return score_elf_gprel15_with_gp (abfd, reloc_entry,
804439b4 444 input_section, relocateable, data, gp);
c3b7224a
NC
445}
446
447/* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must
448 become the offset from the gp register. */
449
450static bfd_reloc_status_type
451score_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
07d6d2b8
AM
452 void *data, asection *input_section, bfd *output_bfd,
453 char **error_message)
c3b7224a 454{
0a1b45a2 455 bool relocatable;
c3b7224a
NC
456 bfd_reloc_status_type ret;
457 bfd_vma gp;
458
459 /* R_SCORE_GPREL32 relocations are defined for local symbols only. */
460 if (output_bfd != NULL
461 && (symbol->flags & BSF_SECTION_SYM) == 0
462 && (symbol->flags & BSF_LOCAL) != 0)
463 {
464 *error_message = (char *)
07d6d2b8 465 _("32bits gp relative relocation occurs for an external symbol");
c3b7224a
NC
466 return bfd_reloc_outofrange;
467 }
468
469 if (output_bfd != NULL)
0a1b45a2 470 relocatable = true;
c3b7224a
NC
471 else
472 {
0a1b45a2 473 relocatable = false;
c3b7224a
NC
474 output_bfd = symbol->section->output_section->owner;
475 }
476
477 ret = score_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp);
478 if (ret != bfd_reloc_ok)
479 return ret;
480
481 gp = 0;
482 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
07d6d2b8 483 relocatable, data, gp);
c3b7224a
NC
484}
485
486/* A howto special_function for R_SCORE_GOT15 relocations. This is just
487 like any other 16-bit relocation when applied to global symbols, but is
488 treated in the same as R_SCORE_HI16 when applied to local symbols. */
489
490static bfd_reloc_status_type
491score_elf_got15_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
07d6d2b8
AM
492 void *data, asection *input_section,
493 bfd *output_bfd, char **error_message)
c3b7224a
NC
494{
495 if ((symbol->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
e6f7f6d1
AM
496 || bfd_is_und_section (bfd_asymbol_section (symbol))
497 || bfd_is_com_section (bfd_asymbol_section (symbol)))
c3b7224a
NC
498 /* The relocation is against a global symbol. */
499 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
07d6d2b8
AM
500 input_section, output_bfd,
501 error_message);
c3b7224a
NC
502
503 return score_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
07d6d2b8 504 input_section, output_bfd, error_message);
c3b7224a
NC
505}
506
507static bfd_reloc_status_type
508score_elf_got_lo16_reloc (bfd *abfd,
07d6d2b8
AM
509 arelent *reloc_entry,
510 asymbol *symbol ATTRIBUTE_UNUSED,
511 void * data,
512 asection *input_section,
513 bfd *output_bfd ATTRIBUTE_UNUSED,
514 char **error_message ATTRIBUTE_UNUSED)
c3b7224a
NC
515{
516 bfd_vma addend = 0, offset = 0;
517 signed long val;
518 signed long hi16_offset, hi16_value, uvalue;
519
520 hi16_value = bfd_get_32 (abfd, hi16_rel_addr);
521 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
522 addend = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
523 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
524 val = reloc_entry->addend;
525 if (reloc_entry->address > input_section->size)
526 return bfd_reloc_outofrange;
527 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
528 if ((uvalue > -0x8000) && (uvalue < 0x7fff))
529 hi16_offset = 0;
530 else
531 hi16_offset = (uvalue >> 16) & 0x7fff;
532 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
533 bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
534 offset = (uvalue & 0xffff) << 1;
535 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
536 bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
537 return bfd_reloc_ok;
538}
539
540static reloc_howto_type elf32_score_howto_table[] =
541{
542 /* No relocation. */
07d6d2b8
AM
543 HOWTO (R_SCORE_NONE, /* type */
544 0, /* rightshift */
c94cb026 545 0, /* size */
07d6d2b8 546 0, /* bitsize */
0a1b45a2 547 false, /* pc_relative */
07d6d2b8
AM
548 0, /* bitpos */
549 complain_overflow_dont,/* complain_on_overflow */
550 bfd_elf_generic_reloc, /* special_function */
551 "R_SCORE_NONE", /* name */
0a1b45a2 552 false, /* partial_inplace */
07d6d2b8
AM
553 0, /* src_mask */
554 0, /* dst_mask */
0a1b45a2 555 false), /* pcrel_offset */
c3b7224a
NC
556
557 /* R_SCORE_HI16 */
07d6d2b8
AM
558 HOWTO (R_SCORE_HI16, /* type */
559 0, /* rightshift */
c94cb026 560 4, /* size */
07d6d2b8 561 16, /* bitsize */
0a1b45a2 562 false, /* pc_relative */
07d6d2b8
AM
563 1, /* bitpos */
564 complain_overflow_dont,/* complain_on_overflow */
565 score_elf_hi16_reloc, /* special_function */
566 "R_SCORE_HI16", /* name */
0a1b45a2 567 true, /* partial_inplace */
07d6d2b8
AM
568 0x37fff, /* src_mask */
569 0x37fff, /* dst_mask */
0a1b45a2 570 false), /* pcrel_offset */
c3b7224a
NC
571
572 /* R_SCORE_LO16 */
07d6d2b8
AM
573 HOWTO (R_SCORE_LO16, /* type */
574 0, /* rightshift */
c94cb026 575 4, /* size */
07d6d2b8 576 16, /* bitsize */
0a1b45a2 577 false, /* pc_relative */
07d6d2b8
AM
578 1, /* bitpos */
579 complain_overflow_dont,/* complain_on_overflow */
580 score_elf_lo16_reloc, /* special_function */
581 "R_SCORE_LO16", /* name */
0a1b45a2 582 true, /* partial_inplace */
07d6d2b8
AM
583 0x37fff, /* src_mask */
584 0x37fff, /* dst_mask */
0a1b45a2 585 false), /* pcrel_offset */
c3b7224a
NC
586
587 /* R_SCORE_BCMP */
07d6d2b8
AM
588 HOWTO (R_SCORE_BCMP, /* type */
589 0, /* rightshift */
c94cb026 590 4, /* size */
07d6d2b8 591 16, /* bitsize */
0a1b45a2 592 false, /* pc_relative */
07d6d2b8
AM
593 1, /* bitpos */
594 complain_overflow_dont,/* complain_on_overflow */
595 bfd_elf_generic_reloc, /* special_function */
596 "R_SCORE_BCMP", /* name */
0a1b45a2 597 true, /* partial_inplace */
07d6d2b8
AM
598 0x0000ffff, /* src_mask */
599 0x0000ffff, /* dst_mask */
0a1b45a2 600 false), /* pcrel_offset */
07d6d2b8
AM
601
602 HOWTO (R_SCORE_24, /* type */
603 1, /* rightshift */
c94cb026 604 4, /* size */
07d6d2b8 605 24, /* bitsize */
0a1b45a2 606 false, /* pc_relative */
07d6d2b8
AM
607 1, /* bitpos */
608 complain_overflow_dont,/* complain_on_overflow */
609 bfd_elf_generic_reloc, /* special_function */
610 "R_SCORE_24", /* name */
0a1b45a2 611 false, /* partial_inplace */
07d6d2b8
AM
612 0x3ff7fff, /* src_mask */
613 0x3ff7fff, /* dst_mask */
0a1b45a2 614 false), /* pcrel_offset */
c3b7224a
NC
615
616 /*R_SCORE_PC19 */
07d6d2b8
AM
617 HOWTO (R_SCORE_PC19, /* type */
618 1, /* rightshift */
c94cb026 619 4, /* size */
07d6d2b8 620 19, /* bitsize */
0a1b45a2 621 true, /* pc_relative */
07d6d2b8
AM
622 1, /* bitpos */
623 complain_overflow_dont,/* complain_on_overflow */
624 bfd_elf_generic_reloc, /* special_function */
625 "R_SCORE_PC19", /* name */
0a1b45a2 626 false, /* partial_inplace */
07d6d2b8
AM
627 0x3ff03fe, /* src_mask */
628 0x3ff03fe, /* dst_mask */
0a1b45a2 629 false), /* pcrel_offset */
c3b7224a
NC
630
631 /*R_SCORE16_11 */
07d6d2b8
AM
632 HOWTO (R_SCORE16_11, /* type */
633 1, /* rightshift */
c94cb026 634 2, /* size */
07d6d2b8 635 11, /* bitsize */
0a1b45a2 636 false, /* pc_relative */
07d6d2b8
AM
637 1, /* bitpos */
638 complain_overflow_dont,/* complain_on_overflow */
639 bfd_elf_generic_reloc, /* special_function */
640 "R_SCORE16_11", /* name */
0a1b45a2 641 false, /* partial_inplace */
07d6d2b8
AM
642 0x000000ffe, /* src_mask */
643 0x000000ffe, /* dst_mask */
0a1b45a2 644 false), /* pcrel_offset */
c3b7224a
NC
645
646 /* R_SCORE16_PC8 */
07d6d2b8
AM
647 HOWTO (R_SCORE16_PC8, /* type */
648 1, /* rightshift */
c94cb026 649 2, /* size */
07d6d2b8 650 8, /* bitsize */
0a1b45a2 651 true, /* pc_relative */
07d6d2b8
AM
652 0, /* bitpos */
653 complain_overflow_dont,/* complain_on_overflow */
654 bfd_elf_generic_reloc, /* special_function */
655 "R_SCORE16_PC8", /* name */
0a1b45a2 656 false, /* partial_inplace */
07d6d2b8
AM
657 0x000000ff, /* src_mask */
658 0x000000ff, /* dst_mask */
0a1b45a2 659 false), /* pcrel_offset */
c3b7224a
NC
660
661 /* 32 bit absolute */
07d6d2b8
AM
662 HOWTO (R_SCORE_ABS32, /* type 8 */
663 0, /* rightshift */
c94cb026 664 4, /* size */
07d6d2b8 665 32, /* bitsize */
0a1b45a2 666 false, /* pc_relative */
07d6d2b8
AM
667 0, /* bitpos */
668 complain_overflow_bitfield, /* complain_on_overflow */
669 bfd_elf_generic_reloc, /* special_function */
670 "R_SCORE_ABS32", /* name */
0a1b45a2 671 false, /* partial_inplace */
07d6d2b8
AM
672 0xffffffff, /* src_mask */
673 0xffffffff, /* dst_mask */
0a1b45a2 674 false), /* pcrel_offset */
c3b7224a
NC
675
676 /* 16 bit absolute */
07d6d2b8
AM
677 HOWTO (R_SCORE_ABS16, /* type 11 */
678 0, /* rightshift */
c94cb026 679 2, /* size */
07d6d2b8 680 16, /* bitsize */
0a1b45a2 681 false, /* pc_relative */
07d6d2b8
AM
682 0, /* bitpos */
683 complain_overflow_bitfield, /* complain_on_overflow */
684 bfd_elf_generic_reloc, /* special_function */
685 "R_SCORE_ABS16", /* name */
0a1b45a2 686 false, /* partial_inplace */
07d6d2b8
AM
687 0x0000ffff, /* src_mask */
688 0x0000ffff, /* dst_mask */
0a1b45a2 689 false), /* pcrel_offset */
c3b7224a
NC
690
691 /* R_SCORE_DUMMY2 */
07d6d2b8
AM
692 HOWTO (R_SCORE_DUMMY2, /* type */
693 0, /* rightshift */
c94cb026 694 4, /* size */
07d6d2b8 695 16, /* bitsize */
0a1b45a2 696 false, /* pc_relative */
07d6d2b8
AM
697 0, /* bitpos */
698 complain_overflow_dont,/* complain_on_overflow */
699 bfd_elf_generic_reloc, /* special_function */
700 "R_SCORE_DUMMY2", /* name */
0a1b45a2 701 true, /* partial_inplace */
07d6d2b8
AM
702 0x00007fff, /* src_mask */
703 0x00007fff, /* dst_mask */
0a1b45a2 704 false), /* pcrel_offset */
c3b7224a
NC
705
706 /* R_SCORE_GP15 */
07d6d2b8
AM
707 HOWTO (R_SCORE_GP15, /* type */
708 0, /* rightshift */
c94cb026 709 4, /* size */
07d6d2b8 710 16, /* bitsize */
0a1b45a2 711 false, /* pc_relative */
07d6d2b8
AM
712 0, /* bitpos */
713 complain_overflow_dont,/* complain_on_overflow */
714 score_elf_gprel15_reloc,/* special_function */
715 "R_SCORE_GP15", /* name */
0a1b45a2 716 true, /* partial_inplace */
07d6d2b8
AM
717 0x00007fff, /* src_mask */
718 0x00007fff, /* dst_mask */
0a1b45a2 719 false), /* pcrel_offset */
c3b7224a
NC
720
721 /* GNU extension to record C++ vtable hierarchy. */
722 HOWTO (R_SCORE_GNU_VTINHERIT, /* type */
07d6d2b8 723 0, /* rightshift */
c94cb026 724 4, /* size */
07d6d2b8 725 0, /* bitsize */
0a1b45a2 726 false, /* pc_relative */
07d6d2b8
AM
727 0, /* bitpos */
728 complain_overflow_dont,/* complain_on_overflow */
729 NULL, /* special_function */
730 "R_SCORE_GNU_VTINHERIT", /* name */
0a1b45a2 731 false, /* partial_inplace */
07d6d2b8
AM
732 0, /* src_mask */
733 0, /* dst_mask */
0a1b45a2 734 false), /* pcrel_offset */
c3b7224a
NC
735
736 /* GNU extension to record C++ vtable member usage */
07d6d2b8
AM
737 HOWTO (R_SCORE_GNU_VTENTRY, /* type */
738 0, /* rightshift */
c94cb026 739 4, /* size */
07d6d2b8 740 0, /* bitsize */
0a1b45a2 741 false, /* pc_relative */
07d6d2b8
AM
742 0, /* bitpos */
743 complain_overflow_dont,/* complain_on_overflow */
744 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
745 "R_SCORE_GNU_VTENTRY", /* name */
0a1b45a2 746 false, /* partial_inplace */
07d6d2b8
AM
747 0, /* src_mask */
748 0, /* dst_mask */
0a1b45a2 749 false), /* pcrel_offset */
c3b7224a
NC
750
751 /* Reference to global offset table. */
07d6d2b8
AM
752 HOWTO (R_SCORE_GOT15, /* type */
753 0, /* rightshift */
c94cb026 754 4, /* size */
07d6d2b8 755 16, /* bitsize */
0a1b45a2 756 false, /* pc_relative */
07d6d2b8
AM
757 0, /* bitpos */
758 complain_overflow_signed, /* complain_on_overflow */
759 score_elf_got15_reloc, /* special_function */
760 "R_SCORE_GOT15", /* name */
0a1b45a2 761 true, /* partial_inplace */
07d6d2b8
AM
762 0x00007fff, /* src_mask */
763 0x00007fff, /* dst_mask */
0a1b45a2 764 false), /* pcrel_offset */
c3b7224a
NC
765
766 /* Low 16 bits of displacement in global offset table. */
07d6d2b8
AM
767 HOWTO (R_SCORE_GOT_LO16, /* type */
768 0, /* rightshift */
c94cb026 769 4, /* size */
07d6d2b8 770 16, /* bitsize */
0a1b45a2 771 false, /* pc_relative */
07d6d2b8
AM
772 1, /* bitpos */
773 complain_overflow_dont,/* complain_on_overflow */
774 score_elf_got_lo16_reloc, /* special_function */
775 "R_SCORE_GOT_LO16", /* name */
0a1b45a2 776 true, /* partial_inplace */
07d6d2b8
AM
777 0x37ffe, /* src_mask */
778 0x37ffe, /* dst_mask */
0a1b45a2 779 false), /* pcrel_offset */
c3b7224a
NC
780
781 /* 15 bit call through global offset table. */
07d6d2b8
AM
782 HOWTO (R_SCORE_CALL15, /* type */
783 0, /* rightshift */
c94cb026 784 4, /* size */
07d6d2b8 785 16, /* bitsize */
0a1b45a2 786 false, /* pc_relative */
07d6d2b8
AM
787 0, /* bitpos */
788 complain_overflow_signed, /* complain_on_overflow */
789 bfd_elf_generic_reloc, /* special_function */
790 "R_SCORE_CALL15", /* name */
0a1b45a2 791 true, /* partial_inplace */
07d6d2b8
AM
792 0x00007fff, /* src_mask */
793 0x00007fff, /* dst_mask */
0a1b45a2 794 false), /* pcrel_offset */
c3b7224a
NC
795
796 /* 32 bit GP relative reference. */
07d6d2b8
AM
797 HOWTO (R_SCORE_GPREL32, /* type */
798 0, /* rightshift */
c94cb026 799 4, /* size */
07d6d2b8 800 32, /* bitsize */
0a1b45a2 801 false, /* pc_relative */
07d6d2b8
AM
802 0, /* bitpos */
803 complain_overflow_dont,/* complain_on_overflow */
804 score_elf_gprel32_reloc, /* special_function */
805 "R_SCORE_GPREL32", /* name */
0a1b45a2 806 true, /* partial_inplace */
07d6d2b8
AM
807 0xffffffff, /* src_mask */
808 0xffffffff, /* dst_mask */
0a1b45a2 809 false), /* pcrel_offset */
c3b7224a
NC
810
811 /* 32 bit symbol relative relocation. */
07d6d2b8
AM
812 HOWTO (R_SCORE_REL32, /* type */
813 0, /* rightshift */
c94cb026 814 4, /* size */
07d6d2b8 815 32, /* bitsize */
0a1b45a2 816 false, /* pc_relative */
07d6d2b8
AM
817 0, /* bitpos */
818 complain_overflow_dont,/* complain_on_overflow */
819 bfd_elf_generic_reloc, /* special_function */
820 "R_SCORE_REL32", /* name */
0a1b45a2 821 true, /* partial_inplace */
07d6d2b8
AM
822 0xffffffff, /* src_mask */
823 0xffffffff, /* dst_mask */
0a1b45a2 824 false), /* pcrel_offset */
c3b7224a
NC
825
826 /* R_SCORE_DUMMY_HI16 */
07d6d2b8
AM
827 HOWTO (R_SCORE_DUMMY_HI16, /* type */
828 0, /* rightshift */
c94cb026 829 4, /* size */
07d6d2b8 830 16, /* bitsize */
0a1b45a2 831 false, /* pc_relative */
07d6d2b8
AM
832 1, /* bitpos */
833 complain_overflow_dont,/* complain_on_overflow */
834 score_elf_hi16_reloc, /* special_function */
835 "R_SCORE_DUMMY_HI16", /* name */
0a1b45a2 836 true, /* partial_inplace */
07d6d2b8
AM
837 0x37fff, /* src_mask */
838 0x37fff, /* dst_mask */
0a1b45a2 839 false), /* pcrel_offset */
c3b7224a
NC
840};
841
842struct score_reloc_map
843{
844 bfd_reloc_code_real_type bfd_reloc_val;
845 unsigned char elf_reloc_val;
846};
847
848static const struct score_reloc_map elf32_score_reloc_map[] =
849{
07d6d2b8
AM
850 {BFD_RELOC_NONE, R_SCORE_NONE},
851 {BFD_RELOC_HI16_S, R_SCORE_HI16},
852 {BFD_RELOC_LO16, R_SCORE_LO16},
853 {BFD_RELOC_SCORE_BCMP, R_SCORE_BCMP},
854 {BFD_RELOC_SCORE_JMP, R_SCORE_24},
855 {BFD_RELOC_SCORE_BRANCH, R_SCORE_PC19},
856 {BFD_RELOC_SCORE16_JMP, R_SCORE16_11},
857 {BFD_RELOC_SCORE16_BRANCH, R_SCORE16_PC8},
858 {BFD_RELOC_32, R_SCORE_ABS32},
859 {BFD_RELOC_16, R_SCORE_ABS16},
860 {BFD_RELOC_SCORE_DUMMY2, R_SCORE_DUMMY2},
861 {BFD_RELOC_SCORE_GPREL15, R_SCORE_GP15},
862 {BFD_RELOC_VTABLE_INHERIT, R_SCORE_GNU_VTINHERIT},
863 {BFD_RELOC_VTABLE_ENTRY, R_SCORE_GNU_VTENTRY},
864 {BFD_RELOC_SCORE_GOT15, R_SCORE_GOT15},
865 {BFD_RELOC_SCORE_GOT_LO16, R_SCORE_GOT_LO16},
866 {BFD_RELOC_SCORE_CALL15, R_SCORE_CALL15},
867 {BFD_RELOC_GPREL32, R_SCORE_GPREL32},
868 {BFD_RELOC_32_PCREL, R_SCORE_REL32},
869 {BFD_RELOC_SCORE_DUMMY_HI16, R_SCORE_DUMMY_HI16},
c3b7224a
NC
870};
871
42eec46f 872static inline hashval_t
c3b7224a
NC
873score_elf_hash_bfd_vma (bfd_vma addr)
874{
875#ifdef BFD64
876 return addr + (addr >> 32);
877#else
878 return addr;
879#endif
880}
881
882/* got_entries only match if they're identical, except for gotidx, so
883 use all fields to compute the hash, and compare the appropriate
884 union members. */
885
886static hashval_t
887score_elf_got_entry_hash (const void *entry_)
888{
889 const struct score_got_entry *entry = (struct score_got_entry *) entry_;
890
891 return entry->symndx
892 + (! entry->abfd ? score_elf_hash_bfd_vma (entry->d.address)
893 : entry->abfd->id
07d6d2b8
AM
894 + (entry->symndx >= 0 ? score_elf_hash_bfd_vma (entry->d.addend)
895 : entry->d.h->root.root.root.hash));
c3b7224a
NC
896}
897
898static int
899score_elf_got_entry_eq (const void *entry1, const void *entry2)
900{
901 const struct score_got_entry *e1 = (struct score_got_entry *) entry1;
902 const struct score_got_entry *e2 = (struct score_got_entry *) entry2;
903
904 return e1->abfd == e2->abfd && e1->symndx == e2->symndx
905 && (! e1->abfd ? e1->d.address == e2->d.address
07d6d2b8
AM
906 : e1->symndx >= 0 ? e1->d.addend == e2->d.addend
907 : e1->d.h == e2->d.h);
c3b7224a
NC
908}
909
910/* If H needs a GOT entry, assign it the highest available dynamic
911 index. Otherwise, assign it the lowest available dynamic
912 index. */
913
0a1b45a2 914static bool
c3b7224a
NC
915score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data)
916{
917 struct score_elf_hash_sort_data *hsd = data;
918
c3b7224a
NC
919 /* Symbols without dynamic symbol table entries aren't interesting at all. */
920 if (h->root.dynindx == -1)
0a1b45a2 921 return true;
c3b7224a
NC
922
923 /* Global symbols that need GOT entries that are not explicitly
924 referenced are marked with got offset 2. Those that are
925 referenced get a 1, and those that don't need GOT entries get
926 -1. */
927 if (h->root.got.offset == 2)
928 {
929 if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx)
07d6d2b8 930 hsd->low = (struct elf_link_hash_entry *) h;
c3b7224a
NC
931 h->root.dynindx = hsd->max_unref_got_dynindx++;
932 }
933 else if (h->root.got.offset != 1)
934 h->root.dynindx = hsd->max_non_got_dynindx++;
935 else
936 {
937 h->root.dynindx = --hsd->min_got_dynindx;
938 hsd->low = (struct elf_link_hash_entry *) h;
939 }
940
0a1b45a2 941 return true;
c3b7224a
NC
942}
943
944static asection *
0a1b45a2 945score_elf_got_section (bfd *abfd, bool maybe_excluded)
c3b7224a 946{
3d4d4302 947 asection *sgot = bfd_get_linker_section (abfd, ".got");
c3b7224a
NC
948
949 if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0))
950 return NULL;
951 return sgot;
952}
953
954/* Returns the GOT information associated with the link indicated by
955 INFO. If SGOTP is non-NULL, it is filled in with the GOT section. */
956
957static struct score_got_info *
958score_elf_got_info (bfd *abfd, asection **sgotp)
959{
960 asection *sgot;
961 struct score_got_info *g;
962
0a1b45a2 963 sgot = score_elf_got_section (abfd, true);
c3b7224a
NC
964 BFD_ASSERT (sgot != NULL);
965 BFD_ASSERT (elf_section_data (sgot) != NULL);
966 g = score_elf_section_data (sgot)->u.got_info;
967 BFD_ASSERT (g != NULL);
968
969 if (sgotp)
970 *sgotp = sgot;
971 return g;
972}
973
974/* Sort the dynamic symbol table so that symbols that need GOT entries
975 appear towards the end. This reduces the amount of GOT space
976 required. MAX_LOCAL is used to set the number of local symbols
977 known to be in the dynamic symbol table. During
af969b14 978 s7_bfd_score_elf_late_size_sections, this value is 1. Afterward, the
c3b7224a
NC
979 section symbols are added and the count is higher. */
980
0a1b45a2 981static bool
c3b7224a 982score_elf_sort_hash_table (struct bfd_link_info *info,
07d6d2b8 983 unsigned long max_local)
c3b7224a
NC
984{
985 struct score_elf_hash_sort_data hsd;
986 struct score_got_info *g;
987 bfd *dynobj;
988
989 dynobj = elf_hash_table (info)->dynobj;
990
991 g = score_elf_got_info (dynobj, NULL);
992
993 hsd.low = NULL;
994 hsd.max_unref_got_dynindx =
995 hsd.min_got_dynindx = elf_hash_table (info)->dynsymcount
996 /* In the multi-got case, assigned_gotno of the master got_info
997 indicate the number of entries that aren't referenced in the
998 primary GOT, but that must have entries because there are
999 dynamic relocations that reference it. Since they aren't
1000 referenced, we move them to the end of the GOT, so that they
1001 don't prevent other entries that are referenced from getting
1002 too large offsets. */
1003 - (g->next ? g->assigned_gotno : 0);
1004 hsd.max_non_got_dynindx = max_local;
4dfe6ac6
NC
1005 score_elf_link_hash_traverse (elf_hash_table (info),
1006 score_elf_sort_hash_table_f,
1007 &hsd);
c3b7224a
NC
1008
1009 /* There should have been enough room in the symbol table to
1010 accommodate both the GOT and non-GOT symbols. */
1011 BFD_ASSERT (hsd.max_non_got_dynindx <= hsd.min_got_dynindx);
1012 BFD_ASSERT ((unsigned long) hsd.max_unref_got_dynindx
07d6d2b8 1013 <= elf_hash_table (info)->dynsymcount);
c3b7224a
NC
1014
1015 /* Now we know which dynamic symbol has the lowest dynamic symbol
1016 table index in the GOT. */
1017 g->global_gotsym = hsd.low;
1018
0a1b45a2 1019 return true;
c3b7224a
NC
1020}
1021
c3b7224a
NC
1022/* Returns the first relocation of type r_type found, beginning with
1023 RELOCATION. RELEND is one-past-the-end of the relocation table. */
1024
1025static const Elf_Internal_Rela *
1026score_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
07d6d2b8
AM
1027 const Elf_Internal_Rela *relocation,
1028 const Elf_Internal_Rela *relend)
c3b7224a
NC
1029{
1030 while (relocation < relend)
1031 {
1032 if (ELF32_R_TYPE (relocation->r_info) == r_type)
07d6d2b8 1033 return relocation;
c3b7224a
NC
1034
1035 ++relocation;
1036 }
1037
1038 /* We didn't find it. */
1039 bfd_set_error (bfd_error_bad_value);
1040 return NULL;
1041}
1042
1043/* This function is called via qsort() to sort the dynamic relocation
1044 entries by increasing r_symndx value. */
1045static int
1046score_elf_sort_dynamic_relocs (const void *arg1, const void *arg2)
1047{
1048 Elf_Internal_Rela int_reloc1;
1049 Elf_Internal_Rela int_reloc2;
1050
1051 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg1, &int_reloc1);
1052 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg2, &int_reloc2);
1053
1054 return (ELF32_R_SYM (int_reloc1.r_info) - ELF32_R_SYM (int_reloc2.r_info));
1055}
1056
1057/* Return whether a relocation is against a local symbol. */
0a1b45a2 1058static bool
c3b7224a 1059score_elf_local_relocation_p (bfd *input_bfd,
07d6d2b8
AM
1060 const Elf_Internal_Rela *relocation,
1061 asection **local_sections,
0a1b45a2 1062 bool check_forced)
c3b7224a
NC
1063{
1064 unsigned long r_symndx;
1065 Elf_Internal_Shdr *symtab_hdr;
1066 struct score_elf_link_hash_entry *h;
1067 size_t extsymoff;
1068
1069 r_symndx = ELF32_R_SYM (relocation->r_info);
1070 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1071 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
1072
1073 if (r_symndx < extsymoff)
0a1b45a2 1074 return true;
c3b7224a 1075 if (elf_bad_symtab (input_bfd) && local_sections[r_symndx] != NULL)
0a1b45a2 1076 return true;
c3b7224a
NC
1077
1078 if (check_forced)
1079 {
1080 /* Look up the hash table to check whether the symbol was forced local. */
1081 h = (struct score_elf_link_hash_entry *)
07d6d2b8 1082 elf_sym_hashes (input_bfd) [r_symndx - extsymoff];
c3b7224a
NC
1083 /* Find the real hash-table entry for this symbol. */
1084 while (h->root.root.type == bfd_link_hash_indirect
07d6d2b8
AM
1085 || h->root.root.type == bfd_link_hash_warning)
1086 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
c3b7224a 1087 if (h->root.forced_local)
0a1b45a2 1088 return true;
c3b7224a
NC
1089 }
1090
0a1b45a2 1091 return false;
c3b7224a
NC
1092}
1093
1094/* Returns the dynamic relocation section for DYNOBJ. */
1095
1096static asection *
0a1b45a2 1097score_elf_rel_dyn_section (bfd *dynobj, bool create_p)
c3b7224a
NC
1098{
1099 static const char dname[] = ".rel.dyn";
1100 asection *sreloc;
1101
3d4d4302 1102 sreloc = bfd_get_linker_section (dynobj, dname);
c3b7224a
NC
1103 if (sreloc == NULL && create_p)
1104 {
3d4d4302
AM
1105 sreloc = bfd_make_section_anyway_with_flags (dynobj, dname,
1106 (SEC_ALLOC
1107 | SEC_LOAD
1108 | SEC_HAS_CONTENTS
1109 | SEC_IN_MEMORY
1110 | SEC_LINKER_CREATED
1111 | SEC_READONLY));
c3b7224a 1112 if (sreloc == NULL
fd361982
AM
1113 || !bfd_set_section_alignment (sreloc,
1114 SCORE_ELF_LOG_FILE_ALIGN (dynobj)))
07d6d2b8 1115 return NULL;
c3b7224a
NC
1116 }
1117 return sreloc;
1118}
1119
1120static void
1121score_elf_allocate_dynamic_relocations (bfd *abfd, unsigned int n)
1122{
1123 asection *s;
1124
0a1b45a2 1125 s = score_elf_rel_dyn_section (abfd, false);
c3b7224a
NC
1126 BFD_ASSERT (s != NULL);
1127
1128 if (s->size == 0)
1129 {
1130 /* Make room for a null element. */
1131 s->size += SCORE_ELF_REL_SIZE (abfd);
1132 ++s->reloc_count;
1133 }
1134 s->size += n * SCORE_ELF_REL_SIZE (abfd);
1135}
1136
1137/* Create a rel.dyn relocation for the dynamic linker to resolve. REL
1138 is the original relocation, which is now being transformed into a
1139 dynamic relocation. The ADDENDP is adjusted if necessary; the
1140 caller should store the result in place of the original addend. */
1141
0a1b45a2 1142static bool
c3b7224a 1143score_elf_create_dynamic_relocation (bfd *output_bfd,
07d6d2b8
AM
1144 struct bfd_link_info *info,
1145 const Elf_Internal_Rela *rel,
1146 struct score_elf_link_hash_entry *h,
1147 bfd_vma symbol,
1148 bfd_vma *addendp, asection *input_section)
c3b7224a
NC
1149{
1150 Elf_Internal_Rela outrel[3];
1151 asection *sreloc;
1152 bfd *dynobj;
1153 int r_type;
1154 long indx;
0a1b45a2 1155 bool defined_p;
c3b7224a
NC
1156
1157 r_type = ELF32_R_TYPE (rel->r_info);
1158 dynobj = elf_hash_table (info)->dynobj;
0a1b45a2 1159 sreloc = score_elf_rel_dyn_section (dynobj, false);
c3b7224a
NC
1160 BFD_ASSERT (sreloc != NULL);
1161 BFD_ASSERT (sreloc->contents != NULL);
1162 BFD_ASSERT (sreloc->reloc_count * SCORE_ELF_REL_SIZE (output_bfd) < sreloc->size);
1163
1164 outrel[0].r_offset =
1165 _bfd_elf_section_offset (output_bfd, info, input_section, rel[0].r_offset);
1166 outrel[1].r_offset =
1167 _bfd_elf_section_offset (output_bfd, info, input_section, rel[1].r_offset);
1168 outrel[2].r_offset =
1169 _bfd_elf_section_offset (output_bfd, info, input_section, rel[2].r_offset);
1170
1171 if (outrel[0].r_offset == MINUS_ONE)
1172 /* The relocation field has been deleted. */
0a1b45a2 1173 return true;
c3b7224a
NC
1174
1175 if (outrel[0].r_offset == MINUS_TWO)
1176 {
1177 /* The relocation field has been converted into a relative value of
07d6d2b8
AM
1178 some sort. Functions like _bfd_elf_write_section_eh_frame expect
1179 the field to be fully relocated, so add in the symbol's value. */
c3b7224a 1180 *addendp += symbol;
0a1b45a2 1181 return true;
c3b7224a
NC
1182 }
1183
1184 /* We must now calculate the dynamic symbol table index to use
1185 in the relocation. */
1186 if (h != NULL
1187 && (! info->symbolic || !h->root.def_regular)
1188 /* h->root.dynindx may be -1 if this symbol was marked to
07d6d2b8 1189 become local. */
c3b7224a
NC
1190 && h->root.dynindx != -1)
1191 {
1192 indx = h->root.dynindx;
07d6d2b8
AM
1193 /* ??? glibc's ld.so just adds the final GOT entry to the
1194 relocation field. It therefore treats relocs against
1195 defined symbols in the same way as relocs against
1196 undefined symbols. */
0a1b45a2 1197 defined_p = false;
c3b7224a
NC
1198 }
1199 else
1200 {
1201 indx = 0;
0a1b45a2 1202 defined_p = true;
c3b7224a
NC
1203 }
1204
1205 /* If the relocation was previously an absolute relocation and
1206 this symbol will not be referred to by the relocation, we must
1207 adjust it by the value we give it in the dynamic symbol table.
1208 Otherwise leave the job up to the dynamic linker. */
1209 if (defined_p && r_type != R_SCORE_REL32)
1210 *addendp += symbol;
1211
1212 /* The relocation is always an REL32 relocation because we don't
1213 know where the shared library will wind up at load-time. */
1214 outrel[0].r_info = ELF32_R_INFO ((unsigned long) indx, R_SCORE_REL32);
1215
1216 /* For strict adherence to the ABI specification, we should
1217 generate a R_SCORE_64 relocation record by itself before the
1218 _REL32/_64 record as well, such that the addend is read in as
1219 a 64-bit value (REL32 is a 32-bit relocation, after all).
1220 However, since none of the existing ELF64 SCORE dynamic
1221 loaders seems to care, we don't waste space with these
1222 artificial relocations. If this turns out to not be true,
1223 score_elf_allocate_dynamic_relocations() should be tweaked so
1224 as to make room for a pair of dynamic relocations per
1225 invocation if ABI_64_P, and here we should generate an
1226 additional relocation record with R_SCORE_64 by itself for a
1227 NULL symbol before this relocation record. */
1228 outrel[1].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1229 outrel[2].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1230
1231 /* Adjust the output offset of the relocation to reference the
1232 correct location in the output file. */
1233 outrel[0].r_offset += (input_section->output_section->vma
07d6d2b8 1234 + input_section->output_offset);
c3b7224a 1235 outrel[1].r_offset += (input_section->output_section->vma
07d6d2b8 1236 + input_section->output_offset);
c3b7224a 1237 outrel[2].r_offset += (input_section->output_section->vma
07d6d2b8 1238 + input_section->output_offset);
c3b7224a
NC
1239
1240 /* Put the relocation back out. We have to use the special
1241 relocation outputter in the 64-bit case since the 64-bit
1242 relocation format is non-standard. */
1243 bfd_elf32_swap_reloc_out
1244 (output_bfd, &outrel[0],
1245 (sreloc->contents + sreloc->reloc_count * sizeof (Elf32_External_Rel)));
1246
1247 /* We've now added another relocation. */
1248 ++sreloc->reloc_count;
1249
1250 /* Make sure the output section is writable. The dynamic linker
1251 will be writing to it. */
1252 elf_section_data (input_section->output_section)->this_hdr.sh_flags |= SHF_WRITE;
1253
0a1b45a2 1254 return true;
c3b7224a
NC
1255}
1256
0a1b45a2 1257static bool
c3b7224a 1258score_elf_create_got_section (bfd *abfd,
07d6d2b8 1259 struct bfd_link_info *info,
0a1b45a2 1260 bool maybe_exclude)
c3b7224a
NC
1261{
1262 flagword flags;
1263 asection *s;
1264 struct elf_link_hash_entry *h;
1265 struct bfd_link_hash_entry *bh;
1266 struct score_got_info *g;
986f0783 1267 size_t amt;
c3b7224a
NC
1268
1269 /* This function may be called more than once. */
0a1b45a2 1270 s = score_elf_got_section (abfd, true);
c3b7224a
NC
1271 if (s)
1272 {
1273 if (! maybe_exclude)
07d6d2b8 1274 s->flags &= ~SEC_EXCLUDE;
0a1b45a2 1275 return true;
c3b7224a
NC
1276 }
1277
1278 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1279
1280 if (maybe_exclude)
1281 flags |= SEC_EXCLUDE;
1282
1283 /* We have to use an alignment of 2**4 here because this is hardcoded
1284 in the function stub generation and in the linker script. */
3d4d4302 1285 s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
ce558b89
AM
1286 elf_hash_table (info)->sgot = s;
1287 if (s == NULL
fd361982 1288 || !bfd_set_section_alignment (s, 4))
0a1b45a2 1289 return false;
c3b7224a
NC
1290
1291 /* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
1292 linker script because we don't want to define the symbol if we
1293 are not creating a global offset table. */
1294 bh = NULL;
1295 if (! (_bfd_generic_link_add_one_symbol
07d6d2b8 1296 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
0a1b45a2
AM
1297 0, NULL, false, get_elf_backend_data (abfd)->collect, &bh)))
1298 return false;
c3b7224a
NC
1299
1300 h = (struct elf_link_hash_entry *) bh;
1301 h->non_elf = 0;
1302 h->def_regular = 1;
1303 h->type = STT_OBJECT;
ce558b89 1304 elf_hash_table (info)->hgot = h;
c3b7224a 1305
0e1862bb
L
1306 if (bfd_link_pic (info)
1307 && ! bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1308 return false;
c3b7224a
NC
1309
1310 amt = sizeof (struct score_got_info);
1311 g = bfd_alloc (abfd, amt);
1312 if (g == NULL)
0a1b45a2 1313 return false;
c3b7224a
NC
1314
1315 g->global_gotsym = NULL;
1316 g->global_gotno = 0;
1317
1318 g->local_gotno = SCORE_RESERVED_GOTNO;
1319 g->assigned_gotno = SCORE_RESERVED_GOTNO;
1320 g->next = NULL;
1321
1322 g->got_entries = htab_try_create (1, score_elf_got_entry_hash,
07d6d2b8 1323 score_elf_got_entry_eq, NULL);
c3b7224a 1324 if (g->got_entries == NULL)
0a1b45a2 1325 return false;
c3b7224a
NC
1326 score_elf_section_data (s)->u.got_info = g;
1327 score_elf_section_data (s)->elf.this_hdr.sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
1328
0a1b45a2 1329 return true;
c3b7224a
NC
1330}
1331
1332/* Calculate the %high function. */
1333
1334static bfd_vma
1335score_elf_high (bfd_vma value)
1336{
1337 return ((value + (bfd_vma) 0x8000) >> 16) & 0xffff;
1338}
1339
1340/* Create a local GOT entry for VALUE. Return the index of the entry,
1341 or -1 if it could not be created. */
1342
1343static struct score_got_entry *
1344score_elf_create_local_got_entry (bfd *abfd,
07d6d2b8
AM
1345 bfd *ibfd ATTRIBUTE_UNUSED,
1346 struct score_got_info *gg,
1347 asection *sgot, bfd_vma value,
1348 unsigned long r_symndx ATTRIBUTE_UNUSED,
1349 struct score_elf_link_hash_entry *h ATTRIBUTE_UNUSED,
1350 int r_type ATTRIBUTE_UNUSED)
c3b7224a
NC
1351{
1352 struct score_got_entry entry, **loc;
1353 struct score_got_info *g;
1354
1355 entry.abfd = NULL;
1356 entry.symndx = -1;
1357 entry.d.address = value;
1358
1359 g = gg;
1360 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1361 if (*loc)
1362 return *loc;
1363
1364 entry.gotidx = SCORE_ELF_GOT_SIZE (abfd) * g->assigned_gotno++;
1365
1366 *loc = bfd_alloc (abfd, sizeof entry);
1367
1368 if (! *loc)
1369 return NULL;
1370
1371 memcpy (*loc, &entry, sizeof entry);
1372
1373 if (g->assigned_gotno >= g->local_gotno)
1374 {
1375 (*loc)->gotidx = -1;
1376 /* We didn't allocate enough space in the GOT. */
4eca0228 1377 _bfd_error_handler
07d6d2b8 1378 (_("not enough GOT space for local GOT entries"));
c3b7224a
NC
1379 bfd_set_error (bfd_error_bad_value);
1380 return NULL;
1381 }
1382
1383 bfd_put_32 (abfd, value, (sgot->contents + entry.gotidx));
1384
1385 return *loc;
1386}
1387
1388/* Find a GOT entry whose higher-order 16 bits are the same as those
1389 for value. Return the index into the GOT for this entry. */
1390
1391static bfd_vma
1392score_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
0a1b45a2 1393 bfd_vma value, bool external)
c3b7224a
NC
1394{
1395 asection *sgot;
1396 struct score_got_info *g;
1397 struct score_got_entry *entry;
1398
1399 if (!external)
1400 {
1401 /* Although the ABI says that it is "the high-order 16 bits" that we
07d6d2b8
AM
1402 want, it is really the %high value. The complete value is
1403 calculated with a `addiu' of a LO16 relocation, just as with a
1404 HI16/LO16 pair. */
c3b7224a
NC
1405 value = score_elf_high (value) << 16;
1406 }
1407
1408 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1409
1410 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL,
07d6d2b8 1411 R_SCORE_GOT15);
c3b7224a
NC
1412 if (entry)
1413 return entry->gotidx;
1414 else
1415 return MINUS_ONE;
1416}
1417
1418void
1419s7_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
07d6d2b8 1420 struct elf_link_hash_entry *entry,
0a1b45a2 1421 bool force_local)
c3b7224a
NC
1422{
1423 bfd *dynobj;
1424 asection *got;
1425 struct score_got_info *g;
1426 struct score_elf_link_hash_entry *h;
1427
1428 h = (struct score_elf_link_hash_entry *) entry;
1429 if (h->forced_local)
1430 return;
0a1b45a2 1431 h->forced_local = true;
c3b7224a
NC
1432
1433 dynobj = elf_hash_table (info)->dynobj;
1434 if (dynobj != NULL && force_local)
1435 {
0a1b45a2 1436 got = score_elf_got_section (dynobj, false);
c3b7224a 1437 if (got == NULL)
07d6d2b8 1438 return;
c3b7224a
NC
1439 g = score_elf_section_data (got)->u.got_info;
1440
1441 if (g->next)
07d6d2b8
AM
1442 {
1443 struct score_got_entry e;
1444 struct score_got_info *gg = g;
1445
1446 /* Since we're turning what used to be a global symbol into a
1447 local one, bump up the number of local entries of each GOT
1448 that had an entry for it. This will automatically decrease
1449 the number of global entries, since global_gotno is actually
1450 the upper limit of global entries. */
1451 e.abfd = dynobj;
1452 e.symndx = -1;
1453 e.d.h = h;
1454
1455 for (g = g->next; g != gg; g = g->next)
1456 if (htab_find (g->got_entries, &e))
1457 {
1458 BFD_ASSERT (g->global_gotno > 0);
1459 g->local_gotno++;
1460 g->global_gotno--;
1461 }
1462
1463 /* If this was a global symbol forced into the primary GOT, we
1464 no longer need an entry for it. We can't release the entry
1465 at this point, but we must at least stop counting it as one
1466 of the symbols that required a forced got entry. */
1467 if (h->root.got.offset == 2)
1468 {
1469 BFD_ASSERT (gg->assigned_gotno > 0);
1470 gg->assigned_gotno--;
1471 }
1472 }
c3b7224a 1473 else if (g->global_gotno == 0 && g->global_gotsym == NULL)
07d6d2b8
AM
1474 /* If we haven't got through GOT allocation yet, just bump up the
1475 number of local entries, as this symbol won't be counted as
1476 global. */
1477 g->local_gotno++;
c3b7224a 1478 else if (h->root.got.offset == 1)
07d6d2b8
AM
1479 {
1480 /* If we're past non-multi-GOT allocation and this symbol had
1481 been marked for a global got entry, give it a local entry
1482 instead. */
1483 BFD_ASSERT (g->global_gotno > 0);
1484 g->local_gotno++;
1485 g->global_gotno--;
1486 }
c3b7224a
NC
1487 }
1488
1489 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1490}
1491
1492/* If H is a symbol that needs a global GOT entry, but has a dynamic
1493 symbol table index lower than any we've seen to date, record it for
1494 posterity. */
1495
0a1b45a2 1496static bool
c3b7224a 1497score_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
07d6d2b8
AM
1498 bfd *abfd,
1499 struct bfd_link_info *info,
1500 struct score_got_info *g)
c3b7224a
NC
1501{
1502 struct score_got_entry entry, **loc;
1503
1504 /* A global symbol in the GOT must also be in the dynamic symbol table. */
1505 if (h->dynindx == -1)
1506 {
1507 switch (ELF_ST_VISIBILITY (h->other))
07d6d2b8
AM
1508 {
1509 case STV_INTERNAL:
1510 case STV_HIDDEN:
0a1b45a2 1511 s7_bfd_score_elf_hide_symbol (info, h, true);
07d6d2b8
AM
1512 break;
1513 }
c3b7224a 1514 if (!bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 1515 return false;
c3b7224a
NC
1516 }
1517
1518 entry.abfd = abfd;
1519 entry.symndx = -1;
1520 entry.d.h = (struct score_elf_link_hash_entry *) h;
1521
1522 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1523
1524 /* If we've already marked this entry as needing GOT space, we don't
1525 need to do it again. */
1526 if (*loc)
0a1b45a2 1527 return true;
c3b7224a
NC
1528
1529 *loc = bfd_alloc (abfd, sizeof entry);
1530 if (! *loc)
0a1b45a2 1531 return false;
c3b7224a
NC
1532
1533 entry.gotidx = -1;
1534
1535 memcpy (*loc, &entry, sizeof (entry));
1536
1537 if (h->got.offset != MINUS_ONE)
0a1b45a2 1538 return true;
c3b7224a
NC
1539
1540 /* By setting this to a value other than -1, we are indicating that
1541 there needs to be a GOT entry for H. Avoid using zero, as the
1542 generic ELF copy_indirect_symbol tests for <= 0. */
1543 h->got.offset = 1;
1544
0a1b45a2 1545 return true;
c3b7224a
NC
1546}
1547
1548/* Reserve space in G for a GOT entry containing the value of symbol
1549 SYMNDX in input bfd ABDF, plus ADDEND. */
1550
0a1b45a2 1551static bool
c3b7224a 1552score_elf_record_local_got_symbol (bfd *abfd,
07d6d2b8
AM
1553 long symndx,
1554 bfd_vma addend,
1555 struct score_got_info *g)
c3b7224a
NC
1556{
1557 struct score_got_entry entry, **loc;
1558
1559 entry.abfd = abfd;
1560 entry.symndx = symndx;
1561 entry.d.addend = addend;
1562 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1563
1564 if (*loc)
0a1b45a2 1565 return true;
c3b7224a
NC
1566
1567 entry.gotidx = g->local_gotno++;
1568
1569 *loc = bfd_alloc (abfd, sizeof(entry));
1570 if (! *loc)
0a1b45a2 1571 return false;
c3b7224a
NC
1572
1573 memcpy (*loc, &entry, sizeof (entry));
1574
0a1b45a2 1575 return true;
c3b7224a
NC
1576}
1577
1578/* Returns the GOT offset at which the indicated address can be found.
1579 If there is not yet a GOT entry for this value, create one.
1580 Returns -1 if no satisfactory GOT offset can be found. */
1581
1582static bfd_vma
1583score_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
07d6d2b8
AM
1584 bfd_vma value, unsigned long r_symndx,
1585 struct score_elf_link_hash_entry *h, int r_type)
c3b7224a
NC
1586{
1587 asection *sgot;
1588 struct score_got_info *g;
1589 struct score_got_entry *entry;
1590
1591 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1592
1593 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value,
07d6d2b8 1594 r_symndx, h, r_type);
c3b7224a
NC
1595 if (!entry)
1596 return MINUS_ONE;
1597
1598 else
1599 return entry->gotidx;
1600}
1601
1602/* Returns the GOT index for the global symbol indicated by H. */
1603
1604static bfd_vma
1605score_elf_global_got_index (bfd *abfd, struct elf_link_hash_entry *h)
1606{
91d6fa6a 1607 bfd_vma got_index;
c3b7224a
NC
1608 asection *sgot;
1609 struct score_got_info *g;
1610 long global_got_dynindx = 0;
1611
1612 g = score_elf_got_info (abfd, &sgot);
1613 if (g->global_gotsym != NULL)
1614 global_got_dynindx = g->global_gotsym->dynindx;
1615
1616 /* Once we determine the global GOT entry with the lowest dynamic
1617 symbol table index, we must put all dynamic symbols with greater
1618 indices into the GOT. That makes it easy to calculate the GOT
1619 offset. */
1620 BFD_ASSERT (h->dynindx >= global_got_dynindx);
91d6fa6a
NC
1621 got_index = ((h->dynindx - global_got_dynindx + g->local_gotno) * SCORE_ELF_GOT_SIZE (abfd));
1622 BFD_ASSERT (got_index < sgot->size);
c3b7224a 1623
91d6fa6a 1624 return got_index;
c3b7224a
NC
1625}
1626
1627/* Returns the offset for the entry at the INDEXth position in the GOT. */
1628
1629static bfd_vma
91d6fa6a
NC
1630score_elf_got_offset_from_index (bfd *dynobj,
1631 bfd *output_bfd,
07d6d2b8 1632 bfd *input_bfd ATTRIBUTE_UNUSED,
91d6fa6a 1633 bfd_vma got_index)
c3b7224a
NC
1634{
1635 asection *sgot;
1636 bfd_vma gp;
c3b7224a 1637
c7e2358a 1638 score_elf_got_info (dynobj, &sgot);
c3b7224a
NC
1639 gp = _bfd_get_gp_value (output_bfd);
1640
91d6fa6a 1641 return sgot->output_section->vma + sgot->output_offset + got_index - gp;
c3b7224a
NC
1642}
1643
1644/* Follow indirect and warning hash entries so that each got entry
1645 points to the final symbol definition. P must point to a pointer
1646 to the hash table we're traversing. Since this traversal may
1647 modify the hash table, we set this pointer to NULL to indicate
1648 we've made a potentially-destructive change to the hash table, so
1649 the traversal must be restarted. */
1650
1651static int
1652score_elf_resolve_final_got_entry (void **entryp, void *p)
1653{
1654 struct score_got_entry *entry = (struct score_got_entry *) *entryp;
1655 htab_t got_entries = *(htab_t *) p;
1656
1657 if (entry->abfd != NULL && entry->symndx == -1)
1658 {
1659 struct score_elf_link_hash_entry *h = entry->d.h;
1660
1661 while (h->root.root.type == bfd_link_hash_indirect
07d6d2b8
AM
1662 || h->root.root.type == bfd_link_hash_warning)
1663 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
c3b7224a
NC
1664
1665 if (entry->d.h == h)
07d6d2b8 1666 return 1;
c3b7224a
NC
1667
1668 entry->d.h = h;
1669
1670 /* If we can't find this entry with the new bfd hash, re-insert
07d6d2b8 1671 it, and get the traversal restarted. */
c3b7224a 1672 if (! htab_find (got_entries, entry))
07d6d2b8
AM
1673 {
1674 htab_clear_slot (got_entries, entryp);
1675 entryp = htab_find_slot (got_entries, entry, INSERT);
1676 if (! *entryp)
1677 *entryp = entry;
1678 /* Abort the traversal, since the whole table may have
1679 moved, and leave it up to the parent to restart the
1680 process. */
1681 *(htab_t *) p = NULL;
1682 return 0;
1683 }
c3b7224a 1684 /* We might want to decrement the global_gotno count, but it's
07d6d2b8 1685 either too early or too late for that at this point. */
c3b7224a
NC
1686 }
1687
1688 return 1;
1689}
1690
1691/* Turn indirect got entries in a got_entries table into their final locations. */
1692
1693static void
1694score_elf_resolve_final_got_entries (struct score_got_info *g)
1695{
1696 htab_t got_entries;
1697
1698 do
1699 {
1700 got_entries = g->got_entries;
1701
1702 htab_traverse (got_entries,
07d6d2b8
AM
1703 score_elf_resolve_final_got_entry,
1704 &got_entries);
c3b7224a
NC
1705 }
1706 while (got_entries == NULL);
1707}
1708
1709/* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. for -r */
1710
1711static void
1712score_elf_add_to_rel (bfd *abfd,
07d6d2b8
AM
1713 bfd_byte *address,
1714 reloc_howto_type *howto,
1715 bfd_signed_vma increment)
c3b7224a
NC
1716{
1717 bfd_signed_vma addend;
1718 bfd_vma contents;
1719 unsigned long offset;
1720 unsigned long r_type = howto->type;
1721 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
1722
1723 contents = bfd_get_32 (abfd, address);
1724 /* Get the (signed) value from the instruction. */
1725 addend = contents & howto->src_mask;
1726 if (addend & ((howto->src_mask + 1) >> 1))
1727 {
1728 bfd_signed_vma mask;
1729
1730 mask = -1;
1731 mask &= ~howto->src_mask;
1732 addend |= mask;
1733 }
1734 /* Add in the increment, (which is a byte value). */
1735 switch (r_type)
1736 {
1737 case R_SCORE_PC19:
1738 offset =
07d6d2b8 1739 (((contents & howto->src_mask) & 0x3ff0000) >> 6) | ((contents & howto->src_mask) & 0x3ff);
c3b7224a
NC
1740 offset += increment;
1741 contents =
07d6d2b8
AM
1742 (contents & ~howto->
1743 src_mask) | (((offset << 6) & howto->src_mask) & 0x3ff0000) | (offset & 0x3ff);
c3b7224a
NC
1744 bfd_put_32 (abfd, contents, address);
1745 break;
1746 case R_SCORE_HI16:
1747 break;
1748 case R_SCORE_LO16:
1749 hi16_addend = bfd_get_32 (abfd, address - 4);
1750 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
1751 offset = ((((contents >> 16) & 0x3) << 15) | (contents & 0x7fff)) >> 1;
1752 offset = (hi16_offset << 16) | (offset & 0xffff);
1753 uvalue = increment + offset;
1754 hi16_offset = (uvalue >> 16) << 1;
1755 hi16_value = (hi16_addend & (~(howto->dst_mask)))
07d6d2b8 1756 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
c3b7224a
NC
1757 bfd_put_32 (abfd, hi16_value, address - 4);
1758 offset = (uvalue & 0xffff) << 1;
1759 contents = (contents & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
1760 bfd_put_32 (abfd, contents, address);
1761 break;
1762 case R_SCORE_24:
1763 offset =
07d6d2b8 1764 (((contents & howto->src_mask) >> 1) & 0x1ff8000) | ((contents & howto->src_mask) & 0x7fff);
c3b7224a
NC
1765 offset += increment;
1766 contents =
07d6d2b8
AM
1767 (contents & ~howto->
1768 src_mask) | (((offset << 1) & howto->src_mask) & 0x3ff0000) | (offset & 0x7fff);
c3b7224a
NC
1769 bfd_put_32 (abfd, contents, address);
1770 break;
1771 case R_SCORE16_11:
1772
1773 contents = bfd_get_16 (abfd, address);
1774 offset = contents & howto->src_mask;
1775 offset += increment;
1776 contents = (contents & ~howto->src_mask) | (offset & howto->src_mask);
1777 bfd_put_16 (abfd, contents, address);
1778
1779 break;
1780 case R_SCORE16_PC8:
1781
1782 contents = bfd_get_16 (abfd, address);
1783 offset = (contents & howto->src_mask) + ((increment >> 1) & 0xff);
1784 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1785 bfd_put_16 (abfd, contents, address);
1786
1787 break;
1788 case R_SCORE_GOT15:
1789 case R_SCORE_GOT_LO16:
1790 break;
1791
1792 default:
1793 addend += increment;
1794 contents = (contents & ~howto->dst_mask) | (addend & howto->dst_mask);
1795 bfd_put_32 (abfd, contents, address);
1796 break;
1797 }
1798}
1799
1800/* Perform a relocation as part of a final link. */
1801
1802static bfd_reloc_status_type
1803score_elf_final_link_relocate (reloc_howto_type *howto,
07d6d2b8
AM
1804 bfd *input_bfd,
1805 bfd *output_bfd,
1806 asection *input_section,
1807 bfd_byte *contents,
1808 Elf_Internal_Rela *rel,
1809 Elf_Internal_Rela *relocs,
1810 bfd_vma symbol,
1811 struct bfd_link_info *info,
1812 const char *sym_name ATTRIBUTE_UNUSED,
1813 int sym_flags ATTRIBUTE_UNUSED,
1814 struct score_elf_link_hash_entry *h,
1815 Elf_Internal_Sym *local_syms,
1816 asection **local_sections,
0a1b45a2 1817 bool gp_disp_p)
c3b7224a
NC
1818{
1819 unsigned long r_type;
1820 unsigned long r_symndx;
1821 bfd_byte *hit_data = contents + rel->r_offset;
1822 bfd_vma addend;
1823 /* The final GP value to be used for the relocatable, executable, or
1824 shared object file being produced. */
1825 bfd_vma gp = MINUS_ONE;
1826 /* The place (section offset or address) of the storage unit being relocated. */
1827 bfd_vma rel_addr;
1828 /* The value of GP used to create the relocatable object. */
1829 bfd_vma gp0 = MINUS_ONE;
1830 /* The offset into the global offset table at which the address of the relocation entry
1831 symbol, adjusted by the addend, resides during execution. */
1832 bfd_vma g = MINUS_ONE;
1833 /* TRUE if the symbol referred to by this relocation is a local symbol. */
0a1b45a2 1834 bool local_p;
c3b7224a
NC
1835 /* The eventual value we will relocate. */
1836 bfd_vma value = symbol;
1837 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue, offset, abs_value = 0;
1838
1839 Elf_Internal_Sym *sym = 0;
1840 asection *sec = NULL;
0a1b45a2 1841 bool merge_p = 0;
c3b7224a
NC
1842
1843
1844 if (elf_gp (output_bfd) == 0)
1845 {
1846 struct bfd_link_hash_entry *bh;
1847 asection *o;
1848
1849 bh = bfd_link_hash_lookup (info->hash, "_gp", 0, 0, 1);
1850 if (bh != NULL && bh->type == bfd_link_hash_defined)
1a9ccd70
NC
1851 {
1852 elf_gp (output_bfd) = (bh->u.def.value
1853 + bh->u.def.section->output_offset);
1854 if (bh->u.def.section->output_section)
1855 elf_gp (output_bfd) += bh->u.def.section->output_section->vma;
1856 }
0e1862bb 1857 else if (bfd_link_relocatable (info))
07d6d2b8
AM
1858 {
1859 bfd_vma lo = -1;
1860
1861 /* Find the GP-relative section with the lowest offset. */
1862 for (o = output_bfd->sections; o != NULL; o = o->next)
1863 if (o->vma < lo)
1864 lo = o->vma;
1865 /* And calculate GP relative to that. */
1866 elf_gp (output_bfd) = lo + ELF_SCORE_GP_OFFSET (input_bfd);
1867 }
c3b7224a 1868 else
07d6d2b8
AM
1869 {
1870 /* If the relocate_section function needs to do a reloc
1871 involving the GP value, it should make a reloc_dangerous
1872 callback to warn that GP is not defined. */
1873 }
c3b7224a
NC
1874 }
1875
1876 /* Parse the relocation. */
1877 r_symndx = ELF32_R_SYM (rel->r_info);
1878 r_type = ELF32_R_TYPE (rel->r_info);
1879 rel_addr = (input_section->output_section->vma + input_section->output_offset + rel->r_offset);
1880
1881 /* For hidden symbol. */
0a1b45a2 1882 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, false);
c3b7224a
NC
1883 if (local_p)
1884 {
1885 sym = local_syms + r_symndx;
1886 sec = local_sections[r_symndx];
1887
1888 symbol = sec->output_section->vma + sec->output_offset;
1889 if (ELF_ST_TYPE (sym->st_info) != STT_SECTION
07d6d2b8
AM
1890 || (sec->flags & SEC_MERGE))
1891 symbol += sym->st_value;
c3b7224a 1892 if ((sec->flags & SEC_MERGE)
07d6d2b8
AM
1893 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1894 merge_p = 1;
c3b7224a
NC
1895 }
1896
1897 if (r_type == R_SCORE_GOT15)
1898 {
1899 const Elf_Internal_Rela *relend;
1900 const Elf_Internal_Rela *lo16_rel;
c3b7224a
NC
1901 bfd_vma lo_value = 0;
1902
056bafd4 1903 relend = relocs + input_section->reloc_count;
c3b7224a
NC
1904 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
1905 if ((local_p) && (lo16_rel != NULL))
07d6d2b8
AM
1906 {
1907 bfd_vma tmp = 0;
1908 tmp = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
1909 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
1910 if (merge_p)
1911 {
1912 asection *msec = sec;
1913 lo_value = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, lo_value);
1914 lo_value -= symbol;
1915 lo_value += msec->output_section->vma + msec->output_offset;
1916 }
1917 }
c3b7224a
NC
1918 addend = lo_value;
1919 }
1920 else
1921 {
1922 addend = (bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
1923 }
1924
1925 /* Figure out the value of the symbol. */
1926 if (local_p && !merge_p)
1927 {
1928 if (r_type == R_SCORE_GOT15)
07d6d2b8
AM
1929 {
1930 const Elf_Internal_Rela *relend;
1931 const Elf_Internal_Rela *lo16_rel;
1932 bfd_vma lo_value = 0;
1933
1934 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
1935 addend = value & 0x7fff;
1936 if ((addend & 0x4000) == 0x4000)
1937 addend |= 0xffffc000;
1938
1939 relend = relocs + input_section->reloc_count;
1940 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
1941 if ((local_p) && (lo16_rel != NULL))
1942 {
1943 bfd_vma tmp = 0;
1944 tmp = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
1945 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
1946 }
1947
1948 addend <<= 16;
1949 addend += lo_value;
1950 }
c3b7224a
NC
1951 }
1952
0a1b45a2 1953 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, true);
c3b7224a
NC
1954
1955 /* If we haven't already determined the GOT offset, or the GP value,
1956 and we're going to need it, get it now. */
1957 switch (r_type)
1958 {
1959 case R_SCORE_CALL15:
1960 case R_SCORE_GOT15:
1961 if (!local_p)
07d6d2b8
AM
1962 {
1963 g = score_elf_global_got_index (elf_hash_table (info)->dynobj,
1964 (struct elf_link_hash_entry *) h);
1965 if ((! elf_hash_table(info)->dynamic_sections_created
1966 || (bfd_link_pic (info)
1967 && (info->symbolic || h->root.dynindx == -1)
1968 && h->root.def_regular)))
1969 {
1970 /* This is a static link or a -Bsymbolic link. The
1971 symbol is defined locally, or was forced to be local.
1972 We must initialize this entry in the GOT. */
1973 bfd *tmpbfd = elf_hash_table (info)->dynobj;
0a1b45a2 1974 asection *sgot = score_elf_got_section (tmpbfd, false);
07d6d2b8
AM
1975 bfd_put_32 (tmpbfd, value, sgot->contents + g);
1976 }
1977 }
c3b7224a 1978 else if (r_type == R_SCORE_GOT15 || r_type == R_SCORE_CALL15)
07d6d2b8
AM
1979 {
1980 /* There's no need to create a local GOT entry here; the
1981 calculation for a local GOT15 entry does not involve G. */
1982 ;
1983 }
c3b7224a 1984 else
07d6d2b8
AM
1985 {
1986 g = score_elf_local_got_index (output_bfd, input_bfd, info,
1987 symbol + addend, r_symndx, h, r_type);
1988 if (g == MINUS_ONE)
1989 return bfd_reloc_outofrange;
1990 }
c3b7224a
NC
1991
1992 /* Convert GOT indices to actual offsets. */
1993 g = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
07d6d2b8 1994 output_bfd, input_bfd, g);
c3b7224a
NC
1995 break;
1996
1997 case R_SCORE_HI16:
1998 case R_SCORE_LO16:
1999 case R_SCORE_GPREL32:
2000 gp0 = _bfd_get_gp_value (input_bfd);
2001 gp = _bfd_get_gp_value (output_bfd);
2002 break;
2003
2004 case R_SCORE_GP15:
2005 gp = _bfd_get_gp_value (output_bfd);
2006
2007 default:
2008 break;
2009 }
2010
2011 switch (r_type)
2012 {
2013 case R_SCORE_NONE:
2014 return bfd_reloc_ok;
2015
2016 case R_SCORE_ABS32:
2017 case R_SCORE_REL32:
0e1862bb 2018 if ((bfd_link_pic (info)
07d6d2b8
AM
2019 || (elf_hash_table (info)->dynamic_sections_created
2020 && h != NULL
2021 && h->root.def_dynamic
2022 && !h->root.def_regular))
2023 && r_symndx != STN_UNDEF
2024 && (input_section->flags & SEC_ALLOC) != 0)
2025 {
2026 /* If we're creating a shared library, or this relocation is against a symbol
2027 in a shared library, then we can't know where the symbol will end up.
2028 So, we create a relocation record in the output, and leave the job up
2029 to the dynamic linker. */
2030 value = addend;
2031 if (!score_elf_create_dynamic_relocation (output_bfd, info, rel, h,
2032 symbol, &value,
2033 input_section))
2034 return bfd_reloc_undefined;
2035 }
cf35638d 2036 else if (r_symndx == STN_UNDEF)
07d6d2b8
AM
2037 /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
2038 from removed linkonce sections, or sections discarded by
2039 a linker script. */
2040 value = 0;
c3b7224a 2041 else
07d6d2b8
AM
2042 {
2043 if (r_type != R_SCORE_REL32)
2044 value = symbol + addend;
2045 else
2046 value = addend;
2047 }
c3b7224a
NC
2048 value &= howto->dst_mask;
2049 bfd_put_32 (input_bfd, value, hit_data);
2050 return bfd_reloc_ok;
2051
2052 case R_SCORE_ABS16:
2053 value += addend;
2054 if ((long) value > 0x7fff || (long) value < -0x8000)
07d6d2b8 2055 return bfd_reloc_overflow;
c3b7224a
NC
2056 bfd_put_16 (input_bfd, value, hit_data);
2057 return bfd_reloc_ok;
2058
2059 case R_SCORE_24:
2060 addend = bfd_get_32 (input_bfd, hit_data);
2061 offset = (((addend & howto->src_mask) >> 1) & 0x1ff8000) | ((addend & howto->src_mask) & 0x7fff);
2062 if ((offset & 0x1000000) != 0)
07d6d2b8 2063 offset |= 0xfe000000;
c3b7224a 2064 value += offset;
b6518b38 2065 abs_value = value - rel_addr;
c3b7224a 2066 if ((abs_value & 0xfe000000) != 0)
07d6d2b8 2067 return bfd_reloc_overflow;
c3b7224a 2068 addend = (addend & ~howto->src_mask)
07d6d2b8 2069 | (((value << 1) & howto->src_mask) & 0x3ff0000) | (value & 0x7fff);
c3b7224a
NC
2070 bfd_put_32 (input_bfd, addend, hit_data);
2071 return bfd_reloc_ok;
2072
2073 case R_SCORE_PC19:
2074 addend = bfd_get_32 (input_bfd, hit_data);
2075 offset = (((addend & howto->src_mask) & 0x3ff0000) >> 6) | ((addend & howto->src_mask) & 0x3ff);
2076 if ((offset & 0x80000) != 0)
07d6d2b8 2077 offset |= 0xfff00000;
c3b7224a
NC
2078 abs_value = value = value - rel_addr + offset;
2079 /* exceed 20 bit : overflow. */
2080 if ((abs_value & 0x80000000) == 0x80000000)
07d6d2b8 2081 abs_value = 0xffffffff - value + 1;
c3b7224a 2082 if ((abs_value & 0xfff80000) != 0)
07d6d2b8 2083 return bfd_reloc_overflow;
c3b7224a 2084 addend = (addend & ~howto->src_mask)
07d6d2b8 2085 | (((value << 6) & howto->src_mask) & 0x3ff0000) | (value & 0x3ff);
c3b7224a
NC
2086 bfd_put_32 (input_bfd, addend, hit_data);
2087 return bfd_reloc_ok;
2088
2089 case R_SCORE16_11:
2090 addend = bfd_get_16 (input_bfd, hit_data);
2091 offset = addend & howto->src_mask;
07d6d2b8
AM
2092 if ((offset & 0x800) != 0) /* Offset is negative. */
2093 offset |= 0xfffff000;
c3b7224a 2094 value += offset;
b6518b38 2095 abs_value = value - rel_addr;
c3b7224a 2096 if ((abs_value & 0xfffff000) != 0)
07d6d2b8 2097 return bfd_reloc_overflow;
c3b7224a
NC
2098 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2099 bfd_put_16 (input_bfd, addend, hit_data);
2100 return bfd_reloc_ok;
2101
2102 case R_SCORE16_PC8:
2103 addend = bfd_get_16 (input_bfd, hit_data);
2104 offset = (addend & howto->src_mask) << 1;
07d6d2b8
AM
2105 if ((offset & 0x100) != 0) /* Offset is negative. */
2106 offset |= 0xfffffe00;
c3b7224a
NC
2107 abs_value = value = value - rel_addr + offset;
2108 /* Sign bit + exceed 9 bit. */
2109 if (((value & 0xffffff00) != 0) && ((value & 0xffffff00) != 0xffffff00))
07d6d2b8 2110 return bfd_reloc_overflow;
c3b7224a
NC
2111 value >>= 1;
2112 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2113 bfd_put_16 (input_bfd, addend, hit_data);
2114 return bfd_reloc_ok;
2115
2116 case R_SCORE_HI16:
2117 return bfd_reloc_ok;
2118
2119 case R_SCORE_LO16:
2120 hi16_addend = bfd_get_32 (input_bfd, hit_data - 4);
2121 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2122 addend = bfd_get_32 (input_bfd, hit_data);
2123 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
2124 offset = (hi16_offset << 16) | (offset & 0xffff);
2125
2126 if (!gp_disp_p)
07d6d2b8 2127 uvalue = value + offset;
c3b7224a 2128 else
07d6d2b8 2129 uvalue = offset + gp - rel_addr + 4;
c3b7224a
NC
2130
2131 hi16_offset = (uvalue >> 16) << 1;
2132 hi16_value = (hi16_addend & (~(howto->dst_mask)))
07d6d2b8 2133 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
c3b7224a
NC
2134 bfd_put_32 (input_bfd, hi16_value, hit_data - 4);
2135 offset = (uvalue & 0xffff) << 1;
2136 value = (addend & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2137 bfd_put_32 (input_bfd, value, hit_data);
2138 return bfd_reloc_ok;
2139
2140 case R_SCORE_GP15:
2141 addend = bfd_get_32 (input_bfd, hit_data);
2142 offset = addend & 0x7fff;
2143 if ((offset & 0x4000) == 0x4000)
07d6d2b8 2144 offset |= 0xffffc000;
c3b7224a
NC
2145 value = value + offset - gp;
2146 if (((value & 0xffffc000) != 0) && ((value & 0xffffc000) != 0xffffc000))
07d6d2b8 2147 return bfd_reloc_overflow;
c3b7224a
NC
2148 value = (addend & ~howto->src_mask) | (value & howto->src_mask);
2149 bfd_put_32 (input_bfd, value, hit_data);
2150 return bfd_reloc_ok;
2151
2152 case R_SCORE_GOT15:
2153 case R_SCORE_CALL15:
2154 if (local_p)
07d6d2b8 2155 {
0a1b45a2 2156 bool forced;
07d6d2b8
AM
2157
2158 /* The special case is when the symbol is forced to be local. We need the
2159 full address in the GOT since no R_SCORE_GOT_LO16 relocation follows. */
2160 forced = ! score_elf_local_relocation_p (input_bfd, rel,
0a1b45a2 2161 local_sections, false);
07d6d2b8
AM
2162 value = score_elf_got16_entry (output_bfd, input_bfd, info,
2163 symbol + addend, forced);
2164 if (value == MINUS_ONE)
2165 return bfd_reloc_outofrange;
2166 value = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2167 output_bfd, input_bfd, value);
2168 }
c3b7224a 2169 else
07d6d2b8
AM
2170 {
2171 value = g;
2172 }
c3b7224a
NC
2173
2174 if ((long) value > 0x3fff || (long) value < -0x4000)
07d6d2b8 2175 return bfd_reloc_overflow;
c3b7224a
NC
2176
2177 addend = bfd_get_32 (input_bfd, hit_data);
2178 value = (addend & ~howto->dst_mask) | (value & howto->dst_mask);
2179 bfd_put_32 (input_bfd, value, hit_data);
2180 return bfd_reloc_ok;
2181
2182 case R_SCORE_GPREL32:
2183 value = (addend + symbol + gp0 - gp);
2184 value &= howto->dst_mask;
2185 bfd_put_32 (input_bfd, value, hit_data);
2186 return bfd_reloc_ok;
2187
2188 case R_SCORE_GOT_LO16:
2189 addend = bfd_get_32 (input_bfd, hit_data);
2190 value = (((addend >> 16) & 0x3) << 14) | ((addend & 0x7fff) >> 1);
2191 value += symbol;
2192 value = (addend & (~(howto->dst_mask))) | ((value & 0x3fff) << 1)
07d6d2b8 2193 | (((value >> 14) & 0x3) << 16);
c3b7224a
NC
2194
2195 bfd_put_32 (input_bfd, value, hit_data);
2196 return bfd_reloc_ok;
2197
2198 case R_SCORE_DUMMY_HI16:
2199 return bfd_reloc_ok;
2200
2201 case R_SCORE_GNU_VTINHERIT:
2202 case R_SCORE_GNU_VTENTRY:
2203 /* We don't do anything with these at present. */
2204 return bfd_reloc_continue;
2205
2206 default:
2207 return bfd_reloc_notsupported;
2208 }
2209}
2210
2211/* Score backend functions. */
2212
0a1b45a2 2213bool
599c86c4 2214s7_bfd_score_info_to_howto (bfd *abfd,
07d6d2b8
AM
2215 arelent *bfd_reloc,
2216 Elf_Internal_Rela *elf_reloc)
c3b7224a
NC
2217{
2218 unsigned int r_type;
2219
2220 r_type = ELF32_R_TYPE (elf_reloc->r_info);
2221 if (r_type >= ARRAY_SIZE (elf32_score_howto_table))
599c86c4
AM
2222 {
2223 /* xgettext:c-format */
2224 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
2225 abfd, r_type);
2226 bfd_set_error (bfd_error_bad_value);
0a1b45a2 2227 return false;
599c86c4 2228 }
f3185997
NC
2229
2230 bfd_reloc->howto = &elf32_score_howto_table[r_type];
0a1b45a2 2231 return true;
c3b7224a
NC
2232}
2233
2234/* Relocate an score ELF section. */
2235
0f684201 2236int
c3b7224a 2237s7_bfd_score_elf_relocate_section (bfd *output_bfd,
07d6d2b8
AM
2238 struct bfd_link_info *info,
2239 bfd *input_bfd,
2240 asection *input_section,
2241 bfd_byte *contents,
2242 Elf_Internal_Rela *relocs,
2243 Elf_Internal_Sym *local_syms,
2244 asection **local_sections)
c3b7224a
NC
2245{
2246 Elf_Internal_Shdr *symtab_hdr;
c3b7224a
NC
2247 Elf_Internal_Rela *rel;
2248 Elf_Internal_Rela *relend;
2249 const char *name;
2250 unsigned long offset;
2251 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
2252 size_t extsymoff;
0a1b45a2 2253 bool gp_disp_p = false;
c3b7224a
NC
2254
2255 /* Sort dynsym. */
2256 if (elf_hash_table (info)->dynamic_sections_created)
2257 {
2258 bfd_size_type dynsecsymcount = 0;
0e1862bb 2259 if (bfd_link_pic (info))
07d6d2b8
AM
2260 {
2261 asection * p;
2262 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
2263
2264 for (p = output_bfd->sections; p ; p = p->next)
2265 if ((p->flags & SEC_EXCLUDE) == 0
2266 && (p->flags & SEC_ALLOC) != 0
2267 && !(*bed->elf_backend_omit_section_dynsym) (output_bfd, info, p))
2268 ++ dynsecsymcount;
2269 }
c3b7224a
NC
2270
2271 if (!score_elf_sort_hash_table (info, dynsecsymcount + 1))
0a1b45a2 2272 return false;
c3b7224a
NC
2273 }
2274
2275 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2276 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
c3b7224a
NC
2277 rel = relocs;
2278 relend = relocs + input_section->reloc_count;
2279 for (; rel < relend; rel++)
2280 {
2281 int r_type;
2282 reloc_howto_type *howto;
2283 unsigned long r_symndx;
2284 Elf_Internal_Sym *sym;
2285 asection *sec;
2286 struct score_elf_link_hash_entry *h;
2287 bfd_vma relocation = 0;
2288 bfd_reloc_status_type r;
2289 arelent bfd_reloc;
2290
2291 r_symndx = ELF32_R_SYM (rel->r_info);
2292 r_type = ELF32_R_TYPE (rel->r_info);
2293
f3185997
NC
2294 if (! s7_bfd_score_info_to_howto (input_bfd, &bfd_reloc, (Elf_Internal_Rela *) rel))
2295 continue;
c3b7224a
NC
2296 howto = bfd_reloc.howto;
2297
2298 h = NULL;
2299 sym = NULL;
2300 sec = NULL;
2301
2302 if (r_symndx < extsymoff)
07d6d2b8
AM
2303 {
2304 sym = local_syms + r_symndx;
2305 sec = local_sections[r_symndx];
2306 relocation = sec->output_section->vma + sec->output_offset;
2307 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
2308
2309 if (!bfd_link_relocatable (info))
2310 {
2311 if (ELF_ST_TYPE (sym->st_info) != STT_SECTION
2312 || (sec->flags & SEC_MERGE))
2313 {
2314 relocation += sym->st_value;
2315 }
2316
2317 if ((sec->flags & SEC_MERGE)
2318 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2319 {
2320 asection *msec;
2321 bfd_vma addend, value;
2322
2323 switch (r_type)
2324 {
2325 case R_SCORE_HI16:
2326 break;
2327 case R_SCORE_LO16:
2328 hi16_addend = bfd_get_32 (input_bfd, contents + rel->r_offset - 4);
2329 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2330 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2331 offset = ((((value >> 16) & 0x3) << 15) | (value & 0x7fff)) >> 1;
2332 addend = (hi16_offset << 16) | (offset & 0xffff);
2333 msec = sec;
2334 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2335 addend -= relocation;
2336 addend += msec->output_section->vma + msec->output_offset;
2337 uvalue = addend;
2338 hi16_offset = (uvalue >> 16) << 1;
2339 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2340 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2341 bfd_put_32 (input_bfd, hi16_value, contents + rel->r_offset - 4);
2342 offset = (uvalue & 0xffff) << 1;
2343 value = (value & (~(howto->dst_mask)))
2344 | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2345 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2346 break;
2347 case R_SCORE_GOT_LO16:
2348 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2349 addend = (((value >> 16) & 0x3) << 14) | ((value & 0x7fff) >> 1);
2350 msec = sec;
2351 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2352 addend += msec->output_section->vma + msec->output_offset;
2353 value = (value & (~(howto->dst_mask))) | ((addend & 0x3fff) << 1)
2354 | (((addend >> 14) & 0x3) << 16);
2355
2356 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2357 break;
2358 default:
2359 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2360 /* Get the (signed) value from the instruction. */
2361 addend = value & howto->src_mask;
2362 if (addend & ((howto->src_mask + 1) >> 1))
2363 {
2364 bfd_signed_vma mask;
2365
2366 mask = -1;
2367 mask &= ~howto->src_mask;
2368 addend |= mask;
2369 }
2370 msec = sec;
2371 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2372 addend += msec->output_section->vma + msec->output_offset;
2373 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2374 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2375 break;
2376 }
2377 }
2378 }
2379 }
c3b7224a 2380 else
07d6d2b8
AM
2381 {
2382 /* For global symbols we look up the symbol in the hash-table. */
2383 h = ((struct score_elf_link_hash_entry *)
2384 elf_sym_hashes (input_bfd) [r_symndx - extsymoff]);
8a5da09b
AM
2385
2386 if (info->wrap_hash != NULL
2387 && (input_section->flags & SEC_DEBUGGING) != 0)
2388 h = ((struct score_elf_link_hash_entry *)
2389 unwrap_hash_lookup (info, input_bfd, &h->root.root));
2390
07d6d2b8
AM
2391 /* Find the real hash-table entry for this symbol. */
2392 while (h->root.root.type == bfd_link_hash_indirect
2393 || h->root.root.type == bfd_link_hash_warning)
2394 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
2395
2396 /* Record the name of this symbol, for our caller. */
2397 name = h->root.root.root.string;
2398
2399 /* See if this is the special GP_DISP_LABEL symbol. Note that such a
2400 symbol must always be a global symbol. */
2401 if (strcmp (name, GP_DISP_LABEL) == 0)
2402 {
2403 /* Relocations against GP_DISP_LABEL are permitted only with
2404 R_SCORE_HI16 and R_SCORE_LO16 relocations. */
2405 if (r_type != R_SCORE_HI16 && r_type != R_SCORE_LO16)
2406 return bfd_reloc_notsupported;
2407
0a1b45a2 2408 gp_disp_p = true;
07d6d2b8
AM
2409 }
2410
2411 /* If this symbol is defined, calculate its address. Note that
2412 GP_DISP_LABEL is a magic symbol, always implicitly defined by the
2413 linker, so it's inappropriate to check to see whether or not
2414 its defined. */
2415 else if ((h->root.root.type == bfd_link_hash_defined
2416 || h->root.root.type == bfd_link_hash_defweak)
2417 && h->root.root.u.def.section)
2418 {
2419 sec = h->root.root.u.def.section;
2420 if (sec->output_section)
2421 relocation = (h->root.root.u.def.value
2422 + sec->output_section->vma
2423 + sec->output_offset);
2424 else
2425 {
2426 relocation = h->root.root.u.def.value;
2427 }
2428 }
2429 else if (h->root.root.type == bfd_link_hash_undefweak)
2430 /* We allow relocations against undefined weak symbols, giving
2431 it the value zero, so that you can undefined weak functions
2432 and check to see if they exist by looking at their addresses. */
2433 relocation = 0;
2434 else if (info->unresolved_syms_in_objects == RM_IGNORE
2435 && ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
2436 relocation = 0;
2437 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
2438 {
2439 /* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol
2440 in s7_bfd_score_elf_create_dynamic_sections. Otherwise, we should define
2441 the symbol with a value of 0. */
2442 BFD_ASSERT (! bfd_link_pic (info));
2443 BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL);
2444 relocation = 0;
2445 }
2446 else if (!bfd_link_relocatable (info))
2447 {
95a51568
FS
2448 info->callbacks->undefined_symbol
2449 (info, h->root.root.root.string, input_bfd, input_section,
2450 rel->r_offset,
2451 (info->unresolved_syms_in_objects == RM_DIAGNOSE
2452 && !info->warn_unresolved_syms)
1a72702b 2453 || ELF_ST_VISIBILITY (h->root.other));
95a51568 2454 relocation = 0;
07d6d2b8
AM
2455 }
2456 }
c3b7224a 2457
dbaa2011 2458 if (sec != NULL && discarded_section (sec))
e4067dbb 2459 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2460 rel, 1, relend, howto, 0, contents);
c3b7224a 2461
0e1862bb 2462 if (bfd_link_relocatable (info))
07d6d2b8
AM
2463 {
2464 /* This is a relocatable link. We don't have to change
2465 anything, unless the reloc is against a section symbol,
2466 in which case we have to adjust according to where the
2467 section symbol winds up in the output section. */
2468 if (r_symndx < symtab_hdr->sh_info)
2469 {
2470 sym = local_syms + r_symndx;
2471
2472 if (r_type == R_SCORE_GOT15)
2473 {
2474 const Elf_Internal_Rela *lo16_rel;
2475 bfd_vma lo_addend = 0, lo_value = 0;
2476 bfd_vma addend, value;
2477
2478 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2479 addend = value & 0x7fff;
2480 if ((addend & 0x4000) == 0x4000)
2481 addend |= 0xffffc000;
2482
2483 relend = relocs + input_section->reloc_count;
2484 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
2485 if (lo16_rel != NULL)
2486 {
2487 lo_value = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
2488 lo_addend = (((lo_value >> 16) & 0x3) << 14) | ((lo_value & 0x7fff) >> 1);
2489 }
2490
2491 addend <<= 16;
2492 addend += lo_addend;
2493
2494 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2495 addend += local_sections[r_symndx]->output_offset;
2496
2497 lo_addend = addend & 0xffff;
2498 lo_value = (lo_value & (~(howto->dst_mask))) | ((lo_addend & 0x3fff) << 1)
2499 | (((lo_addend >> 14) & 0x3) << 16);
2500 bfd_put_32 (input_bfd, lo_value, contents + lo16_rel->r_offset);
2501
2502 addend = addend >> 16;
2503 value = (value & ~howto->src_mask) | (addend & howto->src_mask);
2504 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2505 }
2506 else if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2507 {
2508 sec = local_sections[r_symndx];
2509 score_elf_add_to_rel (input_bfd, contents + rel->r_offset,
2510 howto, (bfd_signed_vma) (sec->output_offset + sym->st_value));
2511 }
2512 }
2513 continue;
2514 }
c3b7224a
NC
2515
2516 /* This is a final link. */
2517 r = score_elf_final_link_relocate (howto, input_bfd, output_bfd,
07d6d2b8
AM
2518 input_section, contents, rel, relocs,
2519 relocation, info, name,
2520 (h ? ELF_ST_TYPE ((unsigned int) h->root.root.type) :
2521 ELF_ST_TYPE ((unsigned int) sym->st_info)), h, local_syms,
2522 local_sections, gp_disp_p);
c3b7224a
NC
2523
2524 if (r != bfd_reloc_ok)
07d6d2b8
AM
2525 {
2526 const char *msg = (const char *)0;
2527
2528 switch (r)
2529 {
2530 case bfd_reloc_overflow:
2531 /* If the overflowing reloc was to an undefined symbol,
2532 we have already printed one error message and there
2533 is no point complaining again. */
2534 if (!h || h->root.root.type != bfd_link_hash_undefined)
1a72702b
AM
2535 (*info->callbacks->reloc_overflow)
2536 (info, NULL, name, howto->name, (bfd_vma) 0,
2537 input_bfd, input_section, rel->r_offset);
07d6d2b8
AM
2538 break;
2539 case bfd_reloc_undefined:
1a72702b 2540 (*info->callbacks->undefined_symbol)
0a1b45a2 2541 (info, name, input_bfd, input_section, rel->r_offset, true);
07d6d2b8 2542 break;
c3b7224a 2543
07d6d2b8
AM
2544 case bfd_reloc_outofrange:
2545 msg = _("internal error: out of range error");
2546 goto common_error;
c3b7224a 2547
07d6d2b8
AM
2548 case bfd_reloc_notsupported:
2549 msg = _("internal error: unsupported relocation error");
2550 goto common_error;
c3b7224a 2551
07d6d2b8
AM
2552 case bfd_reloc_dangerous:
2553 msg = _("internal error: dangerous error");
2554 goto common_error;
c3b7224a 2555
07d6d2b8
AM
2556 default:
2557 msg = _("internal error: unknown error");
2558 /* Fall through. */
c3b7224a 2559
07d6d2b8 2560 common_error:
1a72702b
AM
2561 (*info->callbacks->warning) (info, msg, name, input_bfd,
2562 input_section, rel->r_offset);
07d6d2b8
AM
2563 break;
2564 }
2565 }
c3b7224a
NC
2566 }
2567
0a1b45a2 2568 return true;
c3b7224a
NC
2569}
2570
2571/* Look through the relocs for a section during the first phase, and
2572 allocate space in the global offset table. */
2573
0a1b45a2 2574bool
c3b7224a 2575s7_bfd_score_elf_check_relocs (bfd *abfd,
07d6d2b8
AM
2576 struct bfd_link_info *info,
2577 asection *sec,
2578 const Elf_Internal_Rela *relocs)
c3b7224a 2579{
c3b7224a
NC
2580 bfd *dynobj;
2581 Elf_Internal_Shdr *symtab_hdr;
2582 struct elf_link_hash_entry **sym_hashes;
2583 struct score_got_info *g;
2584 size_t extsymoff;
2585 const Elf_Internal_Rela *rel;
2586 const Elf_Internal_Rela *rel_end;
2587 asection *sgot;
2588 asection *sreloc;
c3b7224a 2589
0e1862bb 2590 if (bfd_link_relocatable (info))
0a1b45a2 2591 return true;
c3b7224a
NC
2592
2593 dynobj = elf_hash_table (info)->dynobj;
2594 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2595 sym_hashes = elf_sym_hashes (abfd);
2596 extsymoff = (elf_bad_symtab (abfd)) ? 0 : symtab_hdr->sh_info;
2597
c3b7224a
NC
2598 if (dynobj == NULL)
2599 {
2600 sgot = NULL;
2601 g = NULL;
2602 }
2603 else
2604 {
0a1b45a2 2605 sgot = score_elf_got_section (dynobj, false);
c3b7224a 2606 if (sgot == NULL)
07d6d2b8 2607 g = NULL;
c3b7224a 2608 else
07d6d2b8
AM
2609 {
2610 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
2611 g = score_elf_section_data (sgot)->u.got_info;
2612 BFD_ASSERT (g != NULL);
2613 }
c3b7224a
NC
2614 }
2615
2616 sreloc = NULL;
056bafd4 2617 rel_end = relocs + sec->reloc_count;
c3b7224a
NC
2618 for (rel = relocs; rel < rel_end; ++rel)
2619 {
2620 unsigned long r_symndx;
2621 unsigned int r_type;
2622 struct elf_link_hash_entry *h;
2623
2624 r_symndx = ELF32_R_SYM (rel->r_info);
2625 r_type = ELF32_R_TYPE (rel->r_info);
2626
2627 if (r_symndx < extsymoff)
07d6d2b8
AM
2628 {
2629 h = NULL;
2630 }
c3b7224a 2631 else if (r_symndx >= extsymoff + NUM_SHDR_ENTRIES (symtab_hdr))
07d6d2b8 2632 {
4eca0228 2633 _bfd_error_handler
695344c0 2634 /* xgettext:c-format */
38f14ab8 2635 (_("%pB: malformed reloc detected for section %pA"), abfd, sec);
07d6d2b8 2636 bfd_set_error (bfd_error_bad_value);
0a1b45a2 2637 return false;
07d6d2b8 2638 }
c3b7224a 2639 else
07d6d2b8
AM
2640 {
2641 h = sym_hashes[r_symndx - extsymoff];
2642
2643 /* This may be an indirect symbol created because of a version. */
2644 if (h != NULL)
2645 {
2646 while (h->root.type == bfd_link_hash_indirect)
2647 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2648 }
2649 }
c3b7224a
NC
2650
2651 /* Some relocs require a global offset table. */
2652 if (dynobj == NULL || sgot == NULL)
07d6d2b8
AM
2653 {
2654 switch (r_type)
2655 {
2656 case R_SCORE_GOT15:
2657 case R_SCORE_CALL15:
2658 if (dynobj == NULL)
2659 elf_hash_table (info)->dynobj = dynobj = abfd;
0a1b45a2
AM
2660 if (!score_elf_create_got_section (dynobj, info, false))
2661 return false;
07d6d2b8
AM
2662 g = score_elf_got_info (dynobj, &sgot);
2663 break;
2664 case R_SCORE_ABS32:
2665 case R_SCORE_REL32:
2666 if (dynobj == NULL
0e1862bb
L
2667 && (bfd_link_pic (info) || h != NULL)
2668 && (sec->flags & SEC_ALLOC) != 0)
07d6d2b8
AM
2669 elf_hash_table (info)->dynobj = dynobj = abfd;
2670 break;
2671 default:
2672 break;
2673 }
2674 }
c3b7224a
NC
2675
2676 if (!h && (r_type == R_SCORE_GOT_LO16))
07d6d2b8
AM
2677 {
2678 if (! score_elf_record_local_got_symbol (abfd, r_symndx, rel->r_addend, g))
0a1b45a2 2679 return false;
07d6d2b8 2680 }
c3b7224a
NC
2681
2682 switch (r_type)
07d6d2b8
AM
2683 {
2684 case R_SCORE_CALL15:
2685 if (h == NULL)
2686 {
4eca0228 2687 _bfd_error_handler
695344c0 2688 /* xgettext:c-format */
2dcf00ce
AM
2689 (_("%pB: CALL15 reloc at %#" PRIx64 " not against global symbol"),
2690 abfd, (uint64_t) rel->r_offset);
07d6d2b8 2691 bfd_set_error (bfd_error_bad_value);
0a1b45a2 2692 return false;
07d6d2b8
AM
2693 }
2694 else
2695 {
2696 /* This symbol requires a global offset table entry. */
2697 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
0a1b45a2 2698 return false;
07d6d2b8
AM
2699
2700 /* We need a stub, not a plt entry for the undefined function. But we record
2701 it as if it needs plt. See _bfd_elf_adjust_dynamic_symbol. */
2702 h->needs_plt = 1;
2703 h->type = STT_FUNC;
2704 }
2705 break;
2706 case R_SCORE_GOT15:
2707 if (h && ! score_elf_record_global_got_symbol (h, abfd, info, g))
0a1b45a2 2708 return false;
07d6d2b8
AM
2709 break;
2710 case R_SCORE_ABS32:
2711 case R_SCORE_REL32:
2712 if ((bfd_link_pic (info) || h != NULL)
0e1862bb 2713 && (sec->flags & SEC_ALLOC) != 0)
07d6d2b8
AM
2714 {
2715 if (sreloc == NULL)
2716 {
0a1b45a2 2717 sreloc = score_elf_rel_dyn_section (dynobj, true);
07d6d2b8 2718 if (sreloc == NULL)
0a1b45a2 2719 return false;
07d6d2b8 2720 }
c3b7224a 2721#define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
07d6d2b8
AM
2722 if (bfd_link_pic (info))
2723 {
2724 /* When creating a shared object, we must copy these reloc types into
2725 the output file as R_SCORE_REL32 relocs. We make room for this reloc
2726 in the .rel.dyn reloc section. */
2727 score_elf_allocate_dynamic_relocations (dynobj, 1);
2728 if ((sec->flags & SCORE_READONLY_SECTION)
2729 == SCORE_READONLY_SECTION)
2730 /* We tell the dynamic linker that there are
2731 relocations against the text segment. */
2732 info->flags |= DF_TEXTREL;
2733 }
2734 else
2735 {
2736 struct score_elf_link_hash_entry *hscore;
2737
2738 /* We only need to copy this reloc if the symbol is
2739 defined in a dynamic object. */
2740 hscore = (struct score_elf_link_hash_entry *) h;
2741 ++hscore->possibly_dynamic_relocs;
2742 if ((sec->flags & SCORE_READONLY_SECTION)
2743 == SCORE_READONLY_SECTION)
2744 /* We need it to tell the dynamic linker if there
2745 are relocations against the text segment. */
0a1b45a2 2746 hscore->readonly_reloc = true;
07d6d2b8
AM
2747 }
2748
2749 /* Even though we don't directly need a GOT entry for this symbol,
2750 a symbol must have a dynamic symbol table index greater that
2751 DT_SCORE_GOTSYM if there are dynamic relocations against it. */
2752 if (h != NULL)
2753 {
2754 if (dynobj == NULL)
2755 elf_hash_table (info)->dynobj = dynobj = abfd;
0a1b45a2
AM
2756 if (! score_elf_create_got_section (dynobj, info, true))
2757 return false;
07d6d2b8
AM
2758 g = score_elf_got_info (dynobj, &sgot);
2759 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
0a1b45a2 2760 return false;
07d6d2b8
AM
2761 }
2762 }
2763 break;
2764
2765 /* This relocation describes the C++ object vtable hierarchy.
2766 Reconstruct it for later use during GC. */
2767 case R_SCORE_GNU_VTINHERIT:
2768 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
0a1b45a2 2769 return false;
07d6d2b8
AM
2770 break;
2771
2772 /* This relocation describes which C++ vtable entries are actually
2773 used. Record for later use during GC. */
2774 case R_SCORE_GNU_VTENTRY:
2775 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
0a1b45a2 2776 return false;
07d6d2b8
AM
2777 break;
2778 default:
2779 break;
2780 }
c3b7224a
NC
2781
2782 /* We must not create a stub for a symbol that has relocations
07d6d2b8 2783 related to taking the function's address. */
c3b7224a 2784 switch (r_type)
07d6d2b8
AM
2785 {
2786 default:
2787 if (h != NULL)
2788 {
2789 struct score_elf_link_hash_entry *sh;
2790
2791 sh = (struct score_elf_link_hash_entry *) h;
0a1b45a2 2792 sh->no_fn_stub = true;
07d6d2b8
AM
2793 }
2794 break;
2795 case R_SCORE_CALL15:
2796 break;
2797 }
c3b7224a
NC
2798 }
2799
0a1b45a2 2800 return true;
c3b7224a
NC
2801}
2802
0a1b45a2 2803bool
c3b7224a 2804s7_bfd_score_elf_add_symbol_hook (bfd *abfd,
07d6d2b8
AM
2805 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2806 Elf_Internal_Sym *sym,
2807 const char **namep ATTRIBUTE_UNUSED,
2808 flagword *flagsp ATTRIBUTE_UNUSED,
2809 asection **secp,
2810 bfd_vma *valp)
c3b7224a
NC
2811{
2812 switch (sym->st_shndx)
2813 {
2814 case SHN_COMMON:
2815 if (sym->st_size > elf_gp_size (abfd))
07d6d2b8 2816 break;
c3b7224a
NC
2817 /* Fall through. */
2818 case SHN_SCORE_SCOMMON:
2819 *secp = bfd_make_section_old_way (abfd, ".scommon");
10885e24 2820 (*secp)->flags |= SEC_IS_COMMON | SEC_SMALL_DATA;
c3b7224a
NC
2821 *valp = sym->st_size;
2822 break;
2823 }
2824
0a1b45a2 2825 return true;
c3b7224a
NC
2826}
2827
2828void
2829s7_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
2830{
2831 elf_symbol_type *elfsym;
2832
2833 elfsym = (elf_symbol_type *) asym;
2834 switch (elfsym->internal_elf_sym.st_shndx)
2835 {
2836 case SHN_COMMON:
2837 if (asym->value > elf_gp_size (abfd))
07d6d2b8 2838 break;
c3b7224a
NC
2839 /* Fall through. */
2840 case SHN_SCORE_SCOMMON:
c3b7224a
NC
2841 asym->section = &score_elf_scom_section;
2842 asym->value = elfsym->internal_elf_sym.st_size;
2843 break;
2844 }
2845}
2846
6e0b88f1 2847int
c3b7224a 2848s7_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
07d6d2b8
AM
2849 const char *name ATTRIBUTE_UNUSED,
2850 Elf_Internal_Sym *sym,
2851 asection *input_sec,
2852 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
c3b7224a
NC
2853{
2854 /* If we see a common symbol, which implies a relocatable link, then
2855 if a symbol was small common in an input file, mark it as small
2856 common in the output file. */
2857 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
2858 sym->st_shndx = SHN_SCORE_SCOMMON;
2859
6e0b88f1 2860 return 1;
c3b7224a
NC
2861}
2862
0a1b45a2 2863bool
c3b7224a 2864s7_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
07d6d2b8
AM
2865 asection *sec,
2866 int *retval)
c3b7224a 2867{
fd361982 2868 if (strcmp (bfd_section_name (sec), ".scommon") == 0)
c3b7224a
NC
2869 {
2870 *retval = SHN_SCORE_SCOMMON;
0a1b45a2 2871 return true;
c3b7224a
NC
2872 }
2873
0a1b45a2 2874 return false;
c3b7224a
NC
2875}
2876
2877/* Adjust a symbol defined by a dynamic object and referenced by a
2878 regular object. The current definition is in some section of the
2879 dynamic object, but we're not including those sections. We have to
2880 change the definition to something the rest of the link can understand. */
2881
0a1b45a2 2882bool
c3b7224a 2883s7_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
07d6d2b8 2884 struct elf_link_hash_entry *h)
c3b7224a
NC
2885{
2886 bfd *dynobj;
2887 struct score_elf_link_hash_entry *hscore;
2888 asection *s;
2889
2890 dynobj = elf_hash_table (info)->dynobj;
2891
2892 /* Make sure we know what is going on here. */
2893 BFD_ASSERT (dynobj != NULL
07d6d2b8
AM
2894 && (h->needs_plt
2895 || h->is_weakalias
2896 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
c3b7224a
NC
2897
2898 /* If this symbol is defined in a dynamic object, we need to copy
2899 any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output
2900 file. */
2901 hscore = (struct score_elf_link_hash_entry *) h;
0e1862bb 2902 if (!bfd_link_relocatable (info)
c3b7224a
NC
2903 && hscore->possibly_dynamic_relocs != 0
2904 && (h->root.type == bfd_link_hash_defweak || !h->def_regular))
2905 {
2906 score_elf_allocate_dynamic_relocations (dynobj, hscore->possibly_dynamic_relocs);
2907 if (hscore->readonly_reloc)
07d6d2b8
AM
2908 /* We tell the dynamic linker that there are relocations
2909 against the text segment. */
2910 info->flags |= DF_TEXTREL;
c3b7224a
NC
2911 }
2912
2913 /* For a function, create a stub, if allowed. */
2914 if (!hscore->no_fn_stub && h->needs_plt)
2915 {
2916 if (!elf_hash_table (info)->dynamic_sections_created)
0a1b45a2 2917 return true;
c3b7224a
NC
2918
2919 /* If this symbol is not defined in a regular file, then set
07d6d2b8
AM
2920 the symbol to the stub location. This is required to make
2921 function pointers compare as equal between the normal
2922 executable and the shared library. */
c3b7224a 2923 if (!h->def_regular)
07d6d2b8
AM
2924 {
2925 /* We need .stub section. */
2926 s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME);
2927 BFD_ASSERT (s != NULL);
c3b7224a 2928
07d6d2b8
AM
2929 h->root.u.def.section = s;
2930 h->root.u.def.value = s->size;
c3b7224a 2931
07d6d2b8
AM
2932 /* XXX Write this stub address somewhere. */
2933 h->plt.offset = s->size;
c3b7224a 2934
07d6d2b8
AM
2935 /* Make room for this stub code. */
2936 s->size += SCORE_FUNCTION_STUB_SIZE;
c3b7224a 2937
07d6d2b8
AM
2938 /* The last half word of the stub will be filled with the index
2939 of this symbol in .dynsym section. */
0a1b45a2 2940 return true;
07d6d2b8 2941 }
c3b7224a
NC
2942 }
2943 else if ((h->type == STT_FUNC) && !h->needs_plt)
2944 {
2945 /* This will set the entry for this symbol in the GOT to 0, and
07d6d2b8 2946 the dynamic linker will take care of this. */
c3b7224a 2947 h->root.u.def.value = 0;
0a1b45a2 2948 return true;
c3b7224a
NC
2949 }
2950
2951 /* If this is a weak symbol, and there is a real definition, the
2952 processor independent code will have arranged for us to see the
2953 real definition first, and we can just use the same value. */
60d67dc8 2954 if (h->is_weakalias)
c3b7224a 2955 {
60d67dc8
AM
2956 struct elf_link_hash_entry *def = weakdef (h);
2957 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2958 h->root.u.def.section = def->root.u.def.section;
2959 h->root.u.def.value = def->root.u.def.value;
0a1b45a2 2960 return true;
c3b7224a
NC
2961 }
2962
2963 /* This is a reference to a symbol defined by a dynamic object which
2964 is not a function. */
0a1b45a2 2965 return true;
c3b7224a
NC
2966}
2967
2968/* This function is called after all the input files have been read,
2969 and the input sections have been assigned to output sections. */
2970
0a1b45a2 2971bool
af969b14
AM
2972s7_bfd_score_elf_early_size_sections (bfd *output_bfd,
2973 struct bfd_link_info *info)
c3b7224a
NC
2974{
2975 bfd *dynobj;
2976 asection *s;
2977 struct score_got_info *g;
2978 int i;
2979 bfd_size_type loadable_size = 0;
2980 bfd_size_type local_gotno;
2981 bfd *sub;
2982
2983 dynobj = elf_hash_table (info)->dynobj;
2984 if (dynobj == NULL)
2985 /* Relocatable links don't have it. */
0a1b45a2 2986 return true;
c3b7224a
NC
2987
2988 g = score_elf_got_info (dynobj, &s);
2989 if (s == NULL)
0a1b45a2 2990 return true;
c3b7224a
NC
2991
2992 /* Calculate the total loadable size of the output. That will give us the
2993 maximum number of GOT_PAGE entries required. */
c72f2fb2 2994 for (sub = info->input_bfds; sub; sub = sub->link.next)
c3b7224a
NC
2995 {
2996 asection *subsection;
2997
2998 for (subsection = sub->sections;
07d6d2b8
AM
2999 subsection;
3000 subsection = subsection->next)
3001 {
3002 if ((subsection->flags & SEC_ALLOC) == 0)
3003 continue;
3004 loadable_size += ((subsection->size + 0xf)
3005 &~ (bfd_size_type) 0xf);
3006 }
c3b7224a
NC
3007 }
3008
3009 /* There has to be a global GOT entry for every symbol with
3010 a dynamic symbol table index of DT_SCORE_GOTSYM or
3011 higher. Therefore, it make sense to put those symbols
3012 that need GOT entries at the end of the symbol table. We
3013 do that here. */
3014 if (! score_elf_sort_hash_table (info, 1))
0a1b45a2 3015 return false;
c3b7224a
NC
3016
3017 if (g->global_gotsym != NULL)
3018 i = elf_hash_table (info)->dynsymcount - g->global_gotsym->dynindx;
3019 else
3020 /* If there are no global symbols, or none requiring
3021 relocations, then GLOBAL_GOTSYM will be NULL. */
3022 i = 0;
3023
3024 /* In the worst case, we'll get one stub per dynamic symbol. */
3025 loadable_size += SCORE_FUNCTION_STUB_SIZE * i;
3026
3027 /* Assume there are two loadable segments consisting of
3028 contiguous sections. Is 5 enough? */
3029 local_gotno = (loadable_size >> 16) + 5;
3030
3031 g->local_gotno += local_gotno;
3032 s->size += g->local_gotno * SCORE_ELF_GOT_SIZE (output_bfd);
3033
3034 g->global_gotno = i;
3035 s->size += i * SCORE_ELF_GOT_SIZE (output_bfd);
3036
3037 score_elf_resolve_final_got_entries (g);
3038
3039 if (s->size > SCORE_ELF_GOT_MAX_SIZE (output_bfd))
3040 {
3041 /* Fixme. Error message or Warning message should be issued here. */
3042 }
3043
0a1b45a2 3044 return true;
c3b7224a
NC
3045}
3046
3047/* Set the sizes of the dynamic sections. */
3048
0a1b45a2 3049bool
af969b14 3050s7_bfd_score_elf_late_size_sections (bfd *output_bfd, struct bfd_link_info *info)
c3b7224a
NC
3051{
3052 bfd *dynobj;
3053 asection *s;
0a1b45a2 3054 bool reltext;
c3b7224a
NC
3055
3056 dynobj = elf_hash_table (info)->dynobj;
af969b14
AM
3057 if (dynobj == NULL)
3058 return true;
c3b7224a
NC
3059
3060 if (elf_hash_table (info)->dynamic_sections_created)
3061 {
3062 /* Set the contents of the .interp section to the interpreter. */
f5233a16 3063 if (bfd_link_executable (info) && !info->nointerp)
07d6d2b8
AM
3064 {
3065 s = bfd_get_linker_section (dynobj, ".interp");
3066 BFD_ASSERT (s != NULL);
3067 s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3068 s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
3069 }
c3b7224a
NC
3070 }
3071
3072 /* The check_relocs and adjust_dynamic_symbol entry points have
3073 determined the sizes of the various dynamic sections. Allocate
3074 memory for them. */
0a1b45a2 3075 reltext = false;
c3b7224a
NC
3076 for (s = dynobj->sections; s != NULL; s = s->next)
3077 {
3078 const char *name;
3079
3080 if ((s->flags & SEC_LINKER_CREATED) == 0)
07d6d2b8 3081 continue;
c3b7224a
NC
3082
3083 /* It's OK to base decisions on the section name, because none
07d6d2b8 3084 of the dynobj section names depend upon the input files. */
fd361982 3085 name = bfd_section_name (s);
c3b7224a 3086
08dedd66 3087 if (startswith (name, ".rel"))
07d6d2b8
AM
3088 {
3089 if (s->size == 0)
3090 {
3091 /* We only strip the section if the output section name
3092 has the same name. Otherwise, there might be several
3093 input sections for this output section. FIXME: This
3094 code is probably not needed these days anyhow, since
3095 the linker now does not create empty output sections. */
3096 if (s->output_section != NULL
3097 && strcmp (name,
fd361982 3098 bfd_section_name (s->output_section)) == 0)
07d6d2b8
AM
3099 s->flags |= SEC_EXCLUDE;
3100 }
3101 else
3102 {
3103 const char *outname;
3104 asection *target;
3105
3106 /* If this relocation section applies to a read only
3107 section, then we probably need a DT_TEXTREL entry.
3108 If the relocation section is .rel.dyn, we always
3109 assert a DT_TEXTREL entry rather than testing whether
3110 there exists a relocation to a read only section or
3111 not. */
fd361982 3112 outname = bfd_section_name (s->output_section);
07d6d2b8
AM
3113 target = bfd_get_section_by_name (output_bfd, outname + 4);
3114 if ((target != NULL
3115 && (target->flags & SEC_READONLY) != 0
3116 && (target->flags & SEC_ALLOC) != 0) || strcmp (outname, ".rel.dyn") == 0)
0a1b45a2 3117 reltext = true;
07d6d2b8
AM
3118
3119 /* We use the reloc_count field as a counter if we need
3120 to copy relocs into the output file. */
3121 if (strcmp (name, ".rel.dyn") != 0)
3122 s->reloc_count = 0;
3123 }
3124 }
08dedd66 3125 else if (startswith (name, ".got"))
07d6d2b8 3126 {
af969b14 3127 /* s7_bfd_score_elf_early_size_sections() has already done
07d6d2b8
AM
3128 most of the work, but some symbols may have been mapped
3129 to versions that we must now resolve in the got_entries
3130 hash tables. */
3131 }
c3b7224a 3132 else if (strcmp (name, SCORE_ELF_STUB_SECTION_NAME) == 0)
07d6d2b8
AM
3133 {
3134 /* IRIX rld assumes that the function stub isn't at the end
3135 of .text section. So put a dummy. XXX */
3136 s->size += SCORE_FUNCTION_STUB_SIZE;
3137 }
08dedd66 3138 else if (! startswith (name, ".init"))
07d6d2b8
AM
3139 {
3140 /* It's not one of our sections, so don't allocate space. */
3141 continue;
3142 }
c3b7224a
NC
3143
3144 /* Allocate memory for the section contents. */
3145 s->contents = bfd_zalloc (dynobj, s->size);
3146 if (s->contents == NULL && s->size != 0)
07d6d2b8
AM
3147 {
3148 bfd_set_error (bfd_error_no_memory);
0a1b45a2 3149 return false;
07d6d2b8 3150 }
c3b7224a
NC
3151 }
3152
3153 if (elf_hash_table (info)->dynamic_sections_created)
3154 {
3155 /* Add some entries to the .dynamic section. We fill in the
07d6d2b8
AM
3156 values later, in s7_bfd_score_elf_finish_dynamic_sections, but we
3157 must add the entries now so that we get the correct size for
3158 the .dynamic section. The DT_DEBUG entry is filled in by the
3159 dynamic linker and used by the debugger. */
c3b7224a
NC
3160
3161 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_DEBUG, 0))
0a1b45a2 3162 return false;
c3b7224a
NC
3163
3164 if (reltext)
07d6d2b8 3165 info->flags |= DF_TEXTREL;
c3b7224a
NC
3166
3167 if ((info->flags & DF_TEXTREL) != 0)
07d6d2b8
AM
3168 {
3169 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_TEXTREL, 0))
0a1b45a2 3170 return false;
07d6d2b8 3171 }
c3b7224a
NC
3172
3173 if (! SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_PLTGOT, 0))
0a1b45a2 3174 return false;
c3b7224a 3175
0a1b45a2 3176 if (score_elf_rel_dyn_section (dynobj, false))
07d6d2b8
AM
3177 {
3178 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_REL, 0))
0a1b45a2 3179 return false;
c3b7224a 3180
07d6d2b8 3181 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELSZ, 0))
0a1b45a2 3182 return false;
c3b7224a 3183
07d6d2b8 3184 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELENT, 0))
0a1b45a2 3185 return false;
07d6d2b8 3186 }
c3b7224a
NC
3187
3188 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_BASE_ADDRESS, 0))
0a1b45a2 3189 return false;
c3b7224a
NC
3190
3191 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_LOCAL_GOTNO, 0))
0a1b45a2 3192 return false;
c3b7224a
NC
3193
3194 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_SYMTABNO, 0))
0a1b45a2 3195 return false;
c3b7224a
NC
3196
3197 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_UNREFEXTNO, 0))
0a1b45a2 3198 return false;
c3b7224a
NC
3199
3200 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_GOTSYM, 0))
0a1b45a2 3201 return false;
c3b7224a
NC
3202
3203 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_HIPAGENO, 0))
0a1b45a2 3204 return false;
c3b7224a
NC
3205 }
3206
0a1b45a2 3207 return true;
c3b7224a
NC
3208}
3209
0a1b45a2 3210bool
c3b7224a
NC
3211s7_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3212{
3213 struct elf_link_hash_entry *h;
3214 struct bfd_link_hash_entry *bh;
3215 flagword flags;
3216 asection *s;
3217
3218 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
07d6d2b8 3219 | SEC_LINKER_CREATED | SEC_READONLY);
c3b7224a
NC
3220
3221 /* ABI requests the .dynamic section to be read only. */
3d4d4302 3222 s = bfd_get_linker_section (abfd, ".dynamic");
c3b7224a
NC
3223 if (s != NULL)
3224 {
fd361982 3225 if (!bfd_set_section_flags (s, flags))
0a1b45a2 3226 return false;
c3b7224a
NC
3227 }
3228
3229 /* We need to create .got section. */
0a1b45a2
AM
3230 if (!score_elf_create_got_section (abfd, info, false))
3231 return false;
c3b7224a 3232
0a1b45a2
AM
3233 if (!score_elf_rel_dyn_section (elf_hash_table (info)->dynobj, true))
3234 return false;
c3b7224a
NC
3235
3236 /* Create .stub section. */
3d4d4302 3237 if (bfd_get_linker_section (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL)
c3b7224a 3238 {
3d4d4302
AM
3239 s = bfd_make_section_anyway_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME,
3240 flags | SEC_CODE);
c3b7224a 3241 if (s == NULL
fd361982 3242 || !bfd_set_section_alignment (s, 2))
c3b7224a 3243
0a1b45a2 3244 return false;
c3b7224a
NC
3245 }
3246
0e1862bb 3247 if (!bfd_link_pic (info))
c3b7224a
NC
3248 {
3249 const char *name;
3250
3251 name = "_DYNAMIC_LINK";
3252 bh = NULL;
3253 if (!(_bfd_generic_link_add_one_symbol
07d6d2b8 3254 (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
0a1b45a2
AM
3255 (bfd_vma) 0, NULL, false, get_elf_backend_data (abfd)->collect, &bh)))
3256 return false;
c3b7224a
NC
3257
3258 h = (struct elf_link_hash_entry *) bh;
3259 h->non_elf = 0;
3260 h->def_regular = 1;
3261 h->type = STT_SECTION;
3262
3263 if (!bfd_elf_link_record_dynamic_symbol (info, h))
0a1b45a2 3264 return false;
c3b7224a
NC
3265 }
3266
0a1b45a2 3267 return true;
c3b7224a
NC
3268}
3269
3270
3271/* Finish up dynamic symbol handling. We set the contents of various
3272 dynamic sections here. */
3273
0a1b45a2 3274bool
c3b7224a 3275s7_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
07d6d2b8
AM
3276 struct bfd_link_info *info,
3277 struct elf_link_hash_entry *h,
3278 Elf_Internal_Sym *sym)
c3b7224a
NC
3279{
3280 bfd *dynobj;
3281 asection *sgot;
3282 struct score_got_info *g;
3283 const char *name;
3284
3285 dynobj = elf_hash_table (info)->dynobj;
3286
3287 if (h->plt.offset != MINUS_ONE)
3288 {
3289 asection *s;
3290 bfd_byte stub[SCORE_FUNCTION_STUB_SIZE];
3291
3292 /* This symbol has a stub. Set it up. */
3293 BFD_ASSERT (h->dynindx != -1);
3294
3d4d4302 3295 s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME);
c3b7224a
NC
3296 BFD_ASSERT (s != NULL);
3297
3298 /* FIXME: Can h->dynindex be more than 64K? */
3299 if (h->dynindx & 0xffff0000)
cf95b909
AM
3300 {
3301 _bfd_error_handler
3302 (_("%pB: cannot handle more than %d dynamic symbols"),
3303 output_bfd, 0xffff);
3304 bfd_set_error (bfd_error_bad_value);
3305 return false;
3306 }
c3b7224a
NC
3307
3308 /* Fill the stub. */
3309 bfd_put_32 (output_bfd, STUB_LW, stub);
3310 bfd_put_32 (output_bfd, STUB_MOVE, stub + 4);
3311 bfd_put_32 (output_bfd, STUB_LI16 | (h->dynindx << 1), stub + 8);
3312 bfd_put_32 (output_bfd, STUB_BRL, stub + 12);
3313
3314 BFD_ASSERT (h->plt.offset <= s->size);
3315 memcpy (s->contents + h->plt.offset, stub, SCORE_FUNCTION_STUB_SIZE);
3316
3317 /* Mark the symbol as undefined. plt.offset != -1 occurs
07d6d2b8 3318 only for the referenced symbol. */
c3b7224a
NC
3319 sym->st_shndx = SHN_UNDEF;
3320
3321 /* The run-time linker uses the st_value field of the symbol
07d6d2b8
AM
3322 to reset the global offset table entry for this external
3323 to its stub address when unlinking a shared object. */
c3b7224a
NC
3324 sym->st_value = (s->output_section->vma + s->output_offset + h->plt.offset);
3325 }
3326
3327 BFD_ASSERT (h->dynindx != -1 || h->forced_local);
3328
0a1b45a2 3329 sgot = score_elf_got_section (dynobj, false);
c3b7224a
NC
3330 BFD_ASSERT (sgot != NULL);
3331 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3332 g = score_elf_section_data (sgot)->u.got_info;
3333 BFD_ASSERT (g != NULL);
3334
3335 /* Run through the global symbol table, creating GOT entries for all
3336 the symbols that need them. */
3337 if (g->global_gotsym != NULL && h->dynindx >= g->global_gotsym->dynindx)
3338 {
3339 bfd_vma offset;
3340 bfd_vma value;
3341
3342 value = sym->st_value;
3343 offset = score_elf_global_got_index (dynobj, h);
3344 bfd_put_32 (output_bfd, value, sgot->contents + offset);
3345 }
3346
3347 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3348 name = h->root.root.string;
9637f6ef
L
3349 if (h == elf_hash_table (info)->hdynamic
3350 || h == elf_hash_table (info)->hgot)
c3b7224a
NC
3351 sym->st_shndx = SHN_ABS;
3352 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
3353 {
3354 sym->st_shndx = SHN_ABS;
3355 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3356 sym->st_value = 1;
3357 }
3358 else if (strcmp (name, GP_DISP_LABEL) == 0)
3359 {
3360 sym->st_shndx = SHN_ABS;
3361 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3362 sym->st_value = elf_gp (output_bfd);
3363 }
3364
0a1b45a2 3365 return true;
c3b7224a
NC
3366}
3367
3368/* Finish up the dynamic sections. */
3369
0a1b45a2 3370bool
c3b7224a 3371s7_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
07d6d2b8 3372 struct bfd_link_info *info)
c3b7224a
NC
3373{
3374 bfd *dynobj;
3375 asection *sdyn;
3376 asection *sgot;
3377 asection *s;
3378 struct score_got_info *g;
3379
3380 dynobj = elf_hash_table (info)->dynobj;
3381
3d4d4302 3382 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
c3b7224a 3383
0a1b45a2 3384 sgot = score_elf_got_section (dynobj, false);
c3b7224a
NC
3385 if (sgot == NULL)
3386 g = NULL;
3387 else
3388 {
3389 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3390 g = score_elf_section_data (sgot)->u.got_info;
3391 BFD_ASSERT (g != NULL);
3392 }
3393
3394 if (elf_hash_table (info)->dynamic_sections_created)
3395 {
3396 bfd_byte *b;
3397
3398 BFD_ASSERT (sdyn != NULL);
3399 BFD_ASSERT (g != NULL);
3400
3401 for (b = sdyn->contents;
07d6d2b8
AM
3402 b < sdyn->contents + sdyn->size;
3403 b += SCORE_ELF_DYN_SIZE (dynobj))
3404 {
3405 Elf_Internal_Dyn dyn;
3406 const char *name;
3407 size_t elemsize;
0a1b45a2 3408 bool swap_out_p;
07d6d2b8
AM
3409
3410 /* Read in the current dynamic entry. */
3411 (*get_elf_backend_data (dynobj)->s->swap_dyn_in) (dynobj, b, &dyn);
3412
3413 /* Assume that we're going to modify it and write it out. */
0a1b45a2 3414 swap_out_p = true;
07d6d2b8
AM
3415
3416 switch (dyn.d_tag)
3417 {
3418 case DT_RELENT:
3419 dyn.d_un.d_val = SCORE_ELF_REL_SIZE (dynobj);
3420 break;
3421
3422 case DT_STRSZ:
3423 /* Rewrite DT_STRSZ. */
3424 dyn.d_un.d_val
3425 = _bfd_elf_strtab_size (elf_hash_table (info)->dynstr);
3426 break;
3427
3428 case DT_PLTGOT:
3429 s = elf_hash_table (info)->sgot;
3430 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3431 break;
3432
3433 case DT_SCORE_BASE_ADDRESS:
3434 s = output_bfd->sections;
3435 BFD_ASSERT (s != NULL);
3436 dyn.d_un.d_ptr = s->vma & ~(bfd_vma) 0xffff;
3437 break;
3438
3439 case DT_SCORE_LOCAL_GOTNO:
3440 dyn.d_un.d_val = g->local_gotno;
3441 break;
3442
3443 case DT_SCORE_UNREFEXTNO:
3444 /* The index into the dynamic symbol table which is the
3445 entry of the first external symbol that is not
3446 referenced within the same object. */
3447 dyn.d_un.d_val = bfd_count_sections (output_bfd) + 1;
3448 break;
3449
3450 case DT_SCORE_GOTSYM:
3451 if (g->global_gotsym)
3452 {
3453 dyn.d_un.d_val = g->global_gotsym->dynindx;
3454 break;
3455 }
3456 /* In case if we don't have global got symbols we default
3457 to setting DT_SCORE_GOTSYM to the same value as
3458 DT_SCORE_SYMTABNO. */
1a0670f3 3459 /* Fall through. */
c3b7224a 3460
07d6d2b8
AM
3461 case DT_SCORE_SYMTABNO:
3462 name = ".dynsym";
3463 elemsize = SCORE_ELF_SYM_SIZE (output_bfd);
3464 s = bfd_get_linker_section (dynobj, name);
3465 dyn.d_un.d_val = s->size / elemsize;
3466 break;
c3b7224a 3467
07d6d2b8
AM
3468 case DT_SCORE_HIPAGENO:
3469 dyn.d_un.d_val = g->local_gotno - SCORE_RESERVED_GOTNO;
3470 break;
c3b7224a 3471
07d6d2b8 3472 default:
0a1b45a2 3473 swap_out_p = false;
07d6d2b8
AM
3474 break;
3475 }
c3b7224a 3476
07d6d2b8
AM
3477 if (swap_out_p)
3478 (*get_elf_backend_data (dynobj)->s->swap_dyn_out) (dynobj, &dyn, b);
3479 }
c3b7224a
NC
3480 }
3481
3482 /* The first entry of the global offset table will be filled at
3483 runtime. The second entry will be used by some runtime loaders.
3484 This isn't the case of IRIX rld. */
3485 if (sgot != NULL && sgot->size > 0)
3486 {
3487 bfd_put_32 (output_bfd, 0, sgot->contents);
3488 bfd_put_32 (output_bfd, 0x80000000, sgot->contents + SCORE_ELF_GOT_SIZE (output_bfd));
3489 }
3490
3491 if (sgot != NULL)
3492 elf_section_data (sgot->output_section)->this_hdr.sh_entsize
3493 = SCORE_ELF_GOT_SIZE (output_bfd);
3494
3495
3496 /* We need to sort the entries of the dynamic relocation section. */
0a1b45a2 3497 s = score_elf_rel_dyn_section (dynobj, false);
c3b7224a
NC
3498
3499 if (s != NULL && s->size > (bfd_vma)2 * SCORE_ELF_REL_SIZE (output_bfd))
3500 {
3501 reldyn_sorting_bfd = output_bfd;
3502 qsort ((Elf32_External_Rel *) s->contents + 1, s->reloc_count - 1,
07d6d2b8 3503 sizeof (Elf32_External_Rel), score_elf_sort_dynamic_relocs);
c3b7224a
NC
3504 }
3505
0a1b45a2 3506 return true;
c3b7224a
NC
3507}
3508
3509/* This function set up the ELF section header for a BFD section in preparation for writing
3510 it out. This is where the flags and type fields are set for unusual sections. */
3511
0a1b45a2 3512bool
c3b7224a 3513s7_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
07d6d2b8
AM
3514 Elf_Internal_Shdr *hdr,
3515 asection *sec)
c3b7224a
NC
3516{
3517 const char *name;
3518
fd361982 3519 name = bfd_section_name (sec);
c3b7224a
NC
3520
3521 if (strcmp (name, ".got") == 0
3522 || strcmp (name, ".srdata") == 0
3523 || strcmp (name, ".sdata") == 0
3524 || strcmp (name, ".sbss") == 0)
3525 hdr->sh_flags |= SHF_SCORE_GPREL;
3526
0a1b45a2 3527 return true;
c3b7224a
NC
3528}
3529
3530/* This function do additional processing on the ELF section header before writing
3531 it out. This is used to set the flags and type fields for some sections. */
3532
3533/* assign_file_positions_except_relocs() check section flag and if it is allocatable,
3534 warning message will be issued. backend_fake_section is called before
3535 assign_file_positions_except_relocs(); backend_section_processing after it. so, we
3536 modify section flag there, but not backend_fake_section. */
3537
0a1b45a2 3538bool
c3b7224a
NC
3539s7_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
3540{
3541 if (hdr->bfd_section != NULL)
3542 {
fd361982 3543 const char *name = bfd_section_name (hdr->bfd_section);
c3b7224a
NC
3544
3545 if (strcmp (name, ".sdata") == 0)
07d6d2b8
AM
3546 {
3547 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3548 hdr->sh_type = SHT_PROGBITS;
3549 }
c3b7224a 3550 else if (strcmp (name, ".sbss") == 0)
07d6d2b8
AM
3551 {
3552 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3553 hdr->sh_type = SHT_NOBITS;
3554 }
c3b7224a 3555 else if (strcmp (name, ".srdata") == 0)
07d6d2b8
AM
3556 {
3557 hdr->sh_flags |= SHF_ALLOC | SHF_SCORE_GPREL;
3558 hdr->sh_type = SHT_PROGBITS;
3559 }
c3b7224a
NC
3560 }
3561
0a1b45a2 3562 return true;
c3b7224a
NC
3563}
3564
0a1b45a2 3565bool
c3b7224a
NC
3566s7_bfd_score_elf_write_section (bfd *output_bfd, asection *sec, bfd_byte *contents)
3567{
3568 bfd_byte *to, *from, *end;
3569 int i;
3570
3571 if (strcmp (sec->name, ".pdr") != 0)
0a1b45a2 3572 return false;
c3b7224a
NC
3573
3574 if (score_elf_section_data (sec)->u.tdata == NULL)
0a1b45a2 3575 return false;
c3b7224a
NC
3576
3577 to = contents;
3578 end = contents + sec->size;
3579 for (from = contents, i = 0; from < end; from += PDR_SIZE, i++)
3580 {
3581 if ((score_elf_section_data (sec)->u.tdata)[i] == 1)
07d6d2b8 3582 continue;
c3b7224a
NC
3583
3584 if (to != from)
07d6d2b8 3585 memcpy (to, from, PDR_SIZE);
c3b7224a
NC
3586
3587 to += PDR_SIZE;
3588 }
3589 bfd_set_section_contents (output_bfd, sec->output_section, contents,
07d6d2b8 3590 (file_ptr) sec->output_offset, sec->size);
c3b7224a 3591
0a1b45a2 3592 return true;
c3b7224a
NC
3593}
3594
3595/* Copy data from a SCORE ELF indirect symbol to its direct symbol, hiding the old
3596 indirect symbol. Process additional relocation information. */
3597
3598void
3599s7_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
07d6d2b8
AM
3600 struct elf_link_hash_entry *dir,
3601 struct elf_link_hash_entry *ind)
c3b7224a
NC
3602{
3603 struct score_elf_link_hash_entry *dirscore, *indscore;
3604
3605 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3606
3607 if (ind->root.type != bfd_link_hash_indirect)
3608 return;
3609
3610 dirscore = (struct score_elf_link_hash_entry *) dir;
3611 indscore = (struct score_elf_link_hash_entry *) ind;
3612 dirscore->possibly_dynamic_relocs += indscore->possibly_dynamic_relocs;
3613
3614 if (indscore->readonly_reloc)
0a1b45a2 3615 dirscore->readonly_reloc = true;
c3b7224a
NC
3616
3617 if (indscore->no_fn_stub)
0a1b45a2 3618 dirscore->no_fn_stub = true;
c3b7224a
NC
3619}
3620
3621/* Remove information about discarded functions from other sections which mention them. */
3622
0a1b45a2 3623bool
c3b7224a 3624s7_bfd_score_elf_discard_info (bfd *abfd,
07d6d2b8
AM
3625 struct elf_reloc_cookie *cookie,
3626 struct bfd_link_info *info)
c3b7224a
NC
3627{
3628 asection *o;
0a1b45a2 3629 bool ret = false;
c3b7224a
NC
3630 unsigned char *tdata;
3631 size_t i, skip;
3632
3633 o = bfd_get_section_by_name (abfd, ".pdr");
3634 if ((!o) || (o->size == 0) || (o->size % PDR_SIZE != 0)
3635 || (o->output_section != NULL && bfd_is_abs_section (o->output_section)))
0a1b45a2 3636 return false;
c3b7224a
NC
3637
3638 tdata = bfd_zmalloc (o->size / PDR_SIZE);
3639 if (!tdata)
0a1b45a2 3640 return false;
c3b7224a
NC
3641
3642 cookie->rels = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, info->keep_memory);
3643 if (!cookie->rels)
3644 {
3645 free (tdata);
0a1b45a2 3646 return false;
c3b7224a
NC
3647 }
3648
3649 cookie->rel = cookie->rels;
3650 cookie->relend = cookie->rels + o->reloc_count;
3651
3652 for (i = 0, skip = 0; i < o->size; i++)
3653 {
3654 if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
07d6d2b8
AM
3655 {
3656 tdata[i] = 1;
3657 skip++;
3658 }
c3b7224a
NC
3659 }
3660
3661 if (skip != 0)
3662 {
3663 score_elf_section_data (o)->u.tdata = tdata;
3664 o->size -= skip * PDR_SIZE;
0a1b45a2 3665 ret = true;
c3b7224a
NC
3666 }
3667 else
3668 free (tdata);
3669
3670 if (!info->keep_memory)
3671 free (cookie->rels);
3672
3673 return ret;
3674}
3675
3676/* Signal that discard_info() has removed the discarded relocations for this section. */
3677
0a1b45a2 3678bool
c3b7224a
NC
3679s7_bfd_score_elf_ignore_discarded_relocs (asection *sec)
3680{
3681 if (strcmp (sec->name, ".pdr") == 0)
0a1b45a2
AM
3682 return true;
3683 return false;
c3b7224a
NC
3684}
3685
3686/* Return the section that should be marked against GC for a given
3687 relocation. */
3688
3689asection *
3690s7_bfd_score_elf_gc_mark_hook (asection *sec,
07d6d2b8
AM
3691 struct bfd_link_info *info,
3692 Elf_Internal_Rela *rel,
3693 struct elf_link_hash_entry *h,
3694 Elf_Internal_Sym *sym)
c3b7224a
NC
3695{
3696 if (h != NULL)
3697 switch (ELF32_R_TYPE (rel->r_info))
3698 {
3699 case R_SCORE_GNU_VTINHERIT:
3700 case R_SCORE_GNU_VTENTRY:
07d6d2b8 3701 return NULL;
c3b7224a
NC
3702 }
3703
3704 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3705}
3706
3707/* Support for core dump NOTE sections. */
3708
0a1b45a2 3709bool
c3b7224a
NC
3710s7_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3711{
3712 int offset;
3713 unsigned int raw_size;
3714
3715 switch (note->descsz)
3716 {
3717 default:
0a1b45a2 3718 return false;
07d6d2b8 3719 case 272: /* Linux/Score elf_prstatus */
c3b7224a
NC
3720
3721 /* pr_cursig */
228e534f 3722 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
c3b7224a
NC
3723
3724 /* pr_pid */
228e534f 3725 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
c3b7224a
NC
3726
3727 /* pr_reg */
3728 offset = 72;
3729
3730 /* sizeof(elf_gregset_t) */
3731 raw_size = 196;
3732
3733 break;
3734 }
3735
3736 /* Make a ".reg/999" section. */
228e534f
AM
3737 return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size,
3738 note->descpos + offset);
c3b7224a
NC
3739}
3740
0a1b45a2 3741bool
c3b7224a
NC
3742s7_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3743{
3744 switch (note->descsz)
3745 {
3746 default:
0a1b45a2 3747 return false;
c3b7224a 3748
07d6d2b8 3749 case 128: /* Linux/Score elf_prpsinfo. */
c3b7224a 3750 /* pr_fname */
228e534f
AM
3751 elf_tdata (abfd)->core->program
3752 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
c3b7224a
NC
3753
3754 /* pr_psargs */
228e534f
AM
3755 elf_tdata (abfd)->core->command
3756 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
c3b7224a
NC
3757 break;
3758 }
3759
3760 /* Note that for some reason, a spurious space is tacked
3761 onto the end of the args in some (at least one anyway)
3762 implementations, so strip it off if it exists. */
3763
3764 {
228e534f 3765 char *command = elf_tdata (abfd)->core->command;
c3b7224a
NC
3766 int n = strlen (command);
3767
3768 if (0 < n && command[n - 1] == ' ')
3769 command[n - 1] = '\0';
3770 }
3771
0a1b45a2 3772 return true;
c3b7224a
NC
3773}
3774
3775
3776/* Score BFD functions. */
3777
3778reloc_howto_type *
3779s7_elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
3780{
3781 unsigned int i;
3782
3783 for (i = 0; i < ARRAY_SIZE (elf32_score_reloc_map); i++)
3784 if (elf32_score_reloc_map[i].bfd_reloc_val == code)
3785 return &elf32_score_howto_table[elf32_score_reloc_map[i].elf_reloc_val];
3786
3787 return NULL;
3788}
3789
0a1b45a2 3790bool
c3b7224a
NC
3791s7_elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
3792{
3793 FILE *file = (FILE *) ptr;
3794
3795 BFD_ASSERT (abfd != NULL && ptr != NULL);
3796
3797 /* Print normal ELF private data. */
3798 _bfd_elf_print_private_bfd_data (abfd, ptr);
3799
3800 /* xgettext:c-format */
3801 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
3802 if (elf_elfheader (abfd)->e_flags & EF_SCORE_PIC)
3803 {
3804 fprintf (file, _(" [pic]"));
3805 }
3806 if (elf_elfheader (abfd)->e_flags & EF_SCORE_FIXDEP)
3807 {
3808 fprintf (file, _(" [fix dep]"));
3809 }
3810 fputc ('\n', file);
3811
0a1b45a2 3812 return true;
c3b7224a
NC
3813}
3814
0a1b45a2 3815bool
50e03d47 3816s7_elf32_score_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
c3b7224a 3817{
50e03d47 3818 bfd *obfd = info->output_bfd;
c3b7224a
NC
3819 flagword in_flags;
3820 flagword out_flags;
3821
50e03d47 3822 if (!_bfd_generic_verify_endian_match (ibfd, info))
0a1b45a2 3823 return false;
c3b7224a 3824
6b728d32
AM
3825 /* FIXME: What should be checked when linking shared libraries? */
3826 if ((ibfd->flags & DYNAMIC) != 0)
0a1b45a2 3827 return true;
6b728d32 3828
c3b7224a
NC
3829 in_flags = elf_elfheader (ibfd)->e_flags;
3830 out_flags = elf_elfheader (obfd)->e_flags;
3831
3832 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3833 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
0a1b45a2 3834 return true;
c3b7224a
NC
3835
3836 in_flags = elf_elfheader (ibfd)->e_flags;
3837 out_flags = elf_elfheader (obfd)->e_flags;
3838
3839 if (! elf_flags_init (obfd))
3840 {
0a1b45a2 3841 elf_flags_init (obfd) = true;
c3b7224a
NC
3842 elf_elfheader (obfd)->e_flags = in_flags;
3843
3844 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
07d6d2b8
AM
3845 && bfd_get_arch_info (obfd)->the_default)
3846 {
3847 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
3848 }
c3b7224a 3849
0a1b45a2 3850 return true;
c3b7224a
NC
3851 }
3852
3853 if (((in_flags & EF_SCORE_PIC) != 0) != ((out_flags & EF_SCORE_PIC) != 0))
3854 {
871b3ab2 3855 _bfd_error_handler (_("%pB: warning: linking PIC files with non-PIC files"), ibfd);
c3b7224a
NC
3856 }
3857
3858 /* Maybe dependency fix compatibility should be checked here. */
0a1b45a2 3859 return true;
c3b7224a
NC
3860}
3861
0a1b45a2 3862bool
c3b7224a
NC
3863s7_elf32_score_new_section_hook (bfd *abfd, asection *sec)
3864{
3865 struct _score_elf_section_data *sdata;
986f0783 3866 size_t amt = sizeof (*sdata);
c3b7224a
NC
3867
3868 sdata = bfd_zalloc (abfd, amt);
3869 if (sdata == NULL)
0a1b45a2 3870 return false;
c3b7224a
NC
3871 sec->used_by_bfd = sdata;
3872
3873 return _bfd_elf_new_section_hook (abfd, sec);
3874}
3875
d00dd7dc 3876#define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all