bfd/
[binutils/dougsmingw.git] / bfd / elf32-score.c
blob61c9c08126dab9f082a23581be43d912c5209900
1 /* 32-bit ELF support for S+core.
2 Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3 Contributed by
4 Brain.lin (brain.lin@sunplusct.com)
5 Mei Ligang (ligang@sunnorth.com.cn)
6 Pei-Lin Tsai (pltsai@sunplus.com)
8 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
25 #include "sysdep.h"
26 #include "bfd.h"
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"
37 int score3 = 0;
38 int score7 = 1;
40 /* The SCORE ELF linker needs additional information for each symbol in
41 the global hash table. */
42 struct score_elf_link_hash_entry
44 struct elf_link_hash_entry root;
46 /* Number of R_SCORE_ABS32, R_SCORE_REL32 relocs against this symbol. */
47 unsigned int possibly_dynamic_relocs;
49 /* If the R_SCORE_ABS32, R_SCORE_REL32 reloc is against a readonly section. */
50 bfd_boolean readonly_reloc;
52 /* We must not create a stub for a symbol that has relocations related to
53 taking the function's address, i.e. any but R_SCORE_CALL15 ones. */
54 bfd_boolean no_fn_stub;
56 /* Are we forced local? This will only be set if we have converted
57 the initial global GOT entry to a local GOT entry. */
58 bfd_boolean forced_local;
61 /* Traverse a score ELF linker hash table. */
62 #define score_elf_link_hash_traverse(table, func, info) \
63 (elf_link_hash_traverse \
64 ((table), \
65 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
66 (info)))
68 /* This structure is used to hold .got entries while estimating got sizes. */
69 struct score_got_entry
71 /* The input bfd in which the symbol is defined. */
72 bfd *abfd;
73 /* The index of the symbol, as stored in the relocation r_info, if
74 we have a local symbol; -1 otherwise. */
75 long symndx;
76 union
78 /* If abfd == NULL, an address that must be stored in the got. */
79 bfd_vma address;
80 /* If abfd != NULL && symndx != -1, the addend of the relocation
81 that should be added to the symbol value. */
82 bfd_vma addend;
83 /* If abfd != NULL && symndx == -1, the hash table entry
84 corresponding to a global symbol in the got (or, local, if
85 h->forced_local). */
86 struct score_elf_link_hash_entry *h;
87 } d;
89 /* The offset from the beginning of the .got section to the entry
90 corresponding to this symbol+addend. If it's a global symbol
91 whose offset is yet to be decided, it's going to be -1. */
92 long gotidx;
95 /* This structure is passed to score_elf_sort_hash_table_f when sorting
96 the dynamic symbols. */
98 struct score_elf_hash_sort_data
100 /* The symbol in the global GOT with the lowest dynamic symbol table index. */
101 struct elf_link_hash_entry *low;
102 /* The least dynamic symbol table index corresponding to a symbol with a GOT entry. */
103 long min_got_dynindx;
104 /* The greatest dynamic symbol table index corresponding to a symbol
105 with a GOT entry that is not referenced (e.g., a dynamic symbol
106 with dynamic relocations pointing to it from non-primary GOTs). */
107 long max_unref_got_dynindx;
108 /* The greatest dynamic symbol table index not corresponding to a
109 symbol without a GOT entry. */
110 long max_non_got_dynindx;
113 struct score_got_info
115 /* The global symbol in the GOT with the lowest index in the dynamic
116 symbol table. */
117 struct elf_link_hash_entry *global_gotsym;
118 /* The number of global .got entries. */
119 unsigned int global_gotno;
120 /* The number of local .got entries. */
121 unsigned int local_gotno;
122 /* The number of local .got entries we have used. */
123 unsigned int assigned_gotno;
124 /* A hash table holding members of the got. */
125 struct htab *got_entries;
126 /* In multi-got links, a pointer to the next got (err, rather, most
127 of the time, it points to the previous got). */
128 struct score_got_info *next;
131 /* A structure used to count GOT entries, for GOT entry or ELF symbol table traversal. */
132 struct _score_elf_section_data
134 struct bfd_elf_section_data elf;
135 union
137 struct score_got_info *got_info;
138 bfd_byte *tdata;
143 #define score_elf_section_data(sec) \
144 ((struct _score_elf_section_data *) elf_section_data (sec))
146 /* The size of a symbol-table entry. */
147 #define SCORE_ELF_SYM_SIZE(abfd) \
148 (get_elf_backend_data (abfd)->s->sizeof_sym)
150 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
151 from smaller values. Start with zero, widen, *then* decrement. */
152 #define MINUS_ONE (((bfd_vma)0) - 1)
153 #define MINUS_TWO (((bfd_vma)0) - 2)
155 #define PDR_SIZE 32
158 /* The number of local .got entries we reserve. */
159 #define SCORE_RESERVED_GOTNO (2)
160 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
162 /* The offset of $gp from the beginning of the .got section. */
163 #define ELF_SCORE_GP_OFFSET(abfd) (0x3ff0)
164 /* The maximum size of the GOT for it to be addressable using 15-bit offsets from $gp. */
165 #define SCORE_ELF_GOT_MAX_SIZE(abfd) (ELF_SCORE_GP_OFFSET(abfd) + 0x3fff)
167 #define SCORE_ELF_STUB_SECTION_NAME (".SCORE.stub")
168 #define SCORE_FUNCTION_STUB_SIZE (16)
170 #define STUB_LW 0xc3bcc010 /* lw r29, [r28, -0x3ff0] */
171 #define STUB_MOVE 0x8363bc56 /* mv r27, r3 */
172 #define STUB_LI16 0x87548000 /* ori r26, .dynsym_index */
173 #define STUB_BRL 0x801dbc09 /* brl r29 */
175 #define SCORE_ELF_GOT_SIZE(abfd) \
176 (get_elf_backend_data (abfd)->s->arch_size / 8)
178 #define SCORE_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
179 (_bfd_elf_add_dynamic_entry (info, (bfd_vma) tag, (bfd_vma) val))
181 /* The size of an external dynamic table entry. */
182 #define SCORE_ELF_DYN_SIZE(abfd) \
183 (get_elf_backend_data (abfd)->s->sizeof_dyn)
185 /* The size of an external REL relocation. */
186 #define SCORE_ELF_REL_SIZE(abfd) \
187 (get_elf_backend_data (abfd)->s->sizeof_rel)
189 /* The default alignment for sections, as a power of two. */
190 #define SCORE_ELF_LOG_FILE_ALIGN(abfd)\
191 (get_elf_backend_data (abfd)->s->log_file_align)
193 static bfd_byte *hi16_rel_addr;
195 /* This will be used when we sort the dynamic relocation records. */
196 static bfd *reldyn_sorting_bfd;
198 /* SCORE ELF uses two common sections. One is the usual one, and the
199 other is for small objects. All the small objects are kept
200 together, and then referenced via the gp pointer, which yields
201 faster assembler code. This is what we use for the small common
202 section. This approach is copied from ecoff.c. */
203 static asection score_elf_scom_section;
204 static asymbol score_elf_scom_symbol;
205 static asymbol *score_elf_scom_symbol_ptr;
207 static bfd_vma
208 score_bfd_get_16 (bfd *abfd, const void *data)
210 return bfd_get_16 (abfd, data);
213 static bfd_vma
214 score3_bfd_getl32 (const void *p)
216 const bfd_byte *addr = p;
217 unsigned long v;
219 v = (unsigned long) addr[2];
220 v |= (unsigned long) addr[3] << 8;
221 v |= (unsigned long) addr[0] << 16;
222 v |= (unsigned long) addr[1] << 24;
223 return v;
226 static bfd_vma
227 score3_bfd_getl48 (const void *p)
229 const bfd_byte *addr = p;
230 unsigned long long v;
232 v = (unsigned long long) addr[4];
233 v |= (unsigned long long) addr[5] << 8;
234 v |= (unsigned long long) addr[2] << 16;
235 v |= (unsigned long long) addr[3] << 24;
236 v |= (unsigned long long) addr[0] << 32;
237 v |= (unsigned long long) addr[1] << 40;
238 return v;
241 static bfd_vma
242 score_bfd_get_32 (bfd *abfd, const void *data)
244 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
245 return score3_bfd_getl32 (data);
246 else
247 return bfd_get_32 (abfd, data);
250 static bfd_vma
251 score_bfd_get_48 (bfd *abfd, const void *p)
253 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
254 return score3_bfd_getl48 (p);
255 else
256 return bfd_get_bits (p, 48, 1);
259 static void
260 score_bfd_put_16 (bfd *abfd, bfd_vma addr, void *data)
262 return bfd_put_16 (abfd, addr, data);
265 static void
266 score3_bfd_putl32 (bfd_vma data, void *p)
268 bfd_byte *addr = p;
269 addr[0] = (data >> 16) & 0xff;
270 addr[1] = (data >> 24) & 0xff;
271 addr[2] = data & 0xff;
272 addr[3] = (data >> 8) & 0xff;
275 static void
276 score3_bfd_putl48 (bfd_vma data, void *p)
278 bfd_byte *addr = p;
279 addr[0] = (data >> 32) & 0xff;
280 addr[1] = (data >> 40) & 0xff;
281 addr[2] = (data >> 16) & 0xff;
282 addr[3] = (data >> 24) & 0xff;
283 addr[4] = data & 0xff;
284 addr[5] = (data >> 8) & 0xff;
287 static void
288 score_bfd_put_32 (bfd *abfd, bfd_vma addr, void *data)
290 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
291 return score3_bfd_putl32 (addr, data);
292 else
293 return bfd_put_32 (abfd, addr, data);
296 static void
297 score_bfd_put_48 (bfd *abfd, bfd_vma val, void *p)
299 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
300 return score3_bfd_putl48 (val, p);
301 else
302 return bfd_put_bits (val, p, 48, 1);
305 static bfd_reloc_status_type
306 score_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
307 arelent *reloc_entry,
308 asymbol *symbol ATTRIBUTE_UNUSED,
309 void * data,
310 asection *input_section ATTRIBUTE_UNUSED,
311 bfd *output_bfd ATTRIBUTE_UNUSED,
312 char **error_message ATTRIBUTE_UNUSED)
314 hi16_rel_addr = (bfd_byte *) data + reloc_entry->address;
315 return bfd_reloc_ok;
318 static bfd_reloc_status_type
319 score_elf_lo16_reloc (bfd *abfd,
320 arelent *reloc_entry,
321 asymbol *symbol ATTRIBUTE_UNUSED,
322 void * data,
323 asection *input_section,
324 bfd *output_bfd ATTRIBUTE_UNUSED,
325 char **error_message ATTRIBUTE_UNUSED)
327 bfd_vma addend = 0, offset = 0;
328 unsigned long val;
329 unsigned long hi16_offset, hi16_value, uvalue;
331 hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
332 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
333 addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
334 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
335 val = reloc_entry->addend;
336 if (reloc_entry->address > input_section->size)
337 return bfd_reloc_outofrange;
338 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
339 hi16_offset = (uvalue >> 16) << 1;
340 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
341 score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
342 offset = (uvalue & 0xffff) << 1;
343 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
344 score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
345 return bfd_reloc_ok;
348 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
349 dangerous relocation. */
351 static bfd_boolean
352 score_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
354 unsigned int count;
355 asymbol **sym;
356 unsigned int i;
358 /* If we've already figured out what GP will be, just return it. */
359 *pgp = _bfd_get_gp_value (output_bfd);
360 if (*pgp)
361 return TRUE;
363 count = bfd_get_symcount (output_bfd);
364 sym = bfd_get_outsymbols (output_bfd);
366 /* The linker script will have created a symbol named `_gp' with the
367 appropriate value. */
368 if (sym == NULL)
369 i = count;
370 else
372 for (i = 0; i < count; i++, sym++)
374 const char *name;
376 name = bfd_asymbol_name (*sym);
377 if (*name == '_' && strcmp (name, "_gp") == 0)
379 *pgp = bfd_asymbol_value (*sym);
380 _bfd_set_gp_value (output_bfd, *pgp);
381 break;
386 if (i >= count)
388 /* Only get the error once. */
389 *pgp = 4;
390 _bfd_set_gp_value (output_bfd, *pgp);
391 return FALSE;
394 return TRUE;
397 /* We have to figure out the gp value, so that we can adjust the
398 symbol value correctly. We look up the symbol _gp in the output
399 BFD. If we can't find it, we're stuck. We cache it in the ELF
400 target data. We don't need to adjust the symbol value for an
401 external symbol if we are producing relocatable output. */
402 static bfd_reloc_status_type
403 score_elf_final_gp (bfd *output_bfd,
404 asymbol *symbol,
405 bfd_boolean relocatable,
406 char **error_message,
407 bfd_vma *pgp)
409 if (bfd_is_und_section (symbol->section)
410 && ! relocatable)
412 *pgp = 0;
413 return bfd_reloc_undefined;
416 *pgp = _bfd_get_gp_value (output_bfd);
417 if (*pgp == 0
418 && (! relocatable
419 || (symbol->flags & BSF_SECTION_SYM) != 0))
421 if (relocatable)
423 /* Make up a value. */
424 *pgp = symbol->section->output_section->vma + 0x4000;
425 _bfd_set_gp_value (output_bfd, *pgp);
427 else if (!score_elf_assign_gp (output_bfd, pgp))
429 *error_message =
430 (char *) _("GP relative relocation when _gp not defined");
431 return bfd_reloc_dangerous;
435 return bfd_reloc_ok;
438 static bfd_reloc_status_type
439 score_elf_gprel15_with_gp (bfd *abfd,
440 asymbol *symbol,
441 arelent *reloc_entry,
442 asection *input_section,
443 bfd_boolean relocateable,
444 void * data,
445 bfd_vma gp ATTRIBUTE_UNUSED)
447 bfd_vma relocation;
448 unsigned long insn;
450 if (bfd_is_com_section (symbol->section))
451 relocation = 0;
452 else
453 relocation = symbol->value;
455 relocation += symbol->section->output_section->vma;
456 relocation += symbol->section->output_offset;
457 if (reloc_entry->address > input_section->size)
458 return bfd_reloc_outofrange;
460 insn = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
461 if (((reloc_entry->addend & 0xffffc000) != 0)
462 && ((reloc_entry->addend & 0xffffc000) != 0xffffc000))
463 return bfd_reloc_overflow;
465 insn = (insn & ~0x7fff) | (reloc_entry->addend & 0x7fff);
466 score_bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
467 if (relocateable)
468 reloc_entry->address += input_section->output_offset;
470 return bfd_reloc_ok;
473 static bfd_reloc_status_type
474 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
475 asection *input_section, bfd_boolean relocatable,
476 void *data, bfd_vma gp)
478 bfd_vma relocation;
479 bfd_vma val;
481 if (bfd_is_com_section (symbol->section))
482 relocation = 0;
483 else
484 relocation = symbol->value;
486 relocation += symbol->section->output_section->vma;
487 relocation += symbol->section->output_offset;
489 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
490 return bfd_reloc_outofrange;
492 /* Set val to the offset into the section or symbol. */
493 val = reloc_entry->addend;
495 if (reloc_entry->howto->partial_inplace)
496 val += score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
498 /* Adjust val for the final section location and GP value. If we
499 are producing relocatable output, we don't want to do this for
500 an external symbol. */
501 if (! relocatable
502 || (symbol->flags & BSF_SECTION_SYM) != 0)
503 val += relocation - gp;
505 if (reloc_entry->howto->partial_inplace)
506 score_bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
507 else
508 reloc_entry->addend = val;
510 if (relocatable)
511 reloc_entry->address += input_section->output_offset;
513 return bfd_reloc_ok;
516 static bfd_reloc_status_type
517 score_elf_gprel15_reloc (bfd *abfd,
518 arelent *reloc_entry,
519 asymbol *symbol,
520 void * data,
521 asection *input_section,
522 bfd *output_bfd,
523 char **error_message)
525 bfd_boolean relocateable;
526 bfd_reloc_status_type ret;
527 bfd_vma gp;
529 if (output_bfd != NULL
530 && (symbol->flags & BSF_SECTION_SYM) == 0 && reloc_entry->addend == 0)
532 reloc_entry->address += input_section->output_offset;
533 return bfd_reloc_ok;
535 if (output_bfd != NULL)
536 relocateable = TRUE;
537 else
539 relocateable = FALSE;
540 output_bfd = symbol->section->output_section->owner;
543 ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
544 if (ret != bfd_reloc_ok)
545 return ret;
547 return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry,
548 input_section, relocateable, data, gp);
551 /* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must
552 become the offset from the gp register. */
554 static bfd_reloc_status_type
555 score_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
556 void *data, asection *input_section, bfd *output_bfd,
557 char **error_message)
559 bfd_boolean relocatable;
560 bfd_reloc_status_type ret;
561 bfd_vma gp;
563 /* R_SCORE_GPREL32 relocations are defined for local symbols only. */
564 if (output_bfd != NULL
565 && (symbol->flags & BSF_SECTION_SYM) == 0
566 && (symbol->flags & BSF_LOCAL) != 0)
568 *error_message = (char *)
569 _("32bits gp relative relocation occurs for an external symbol");
570 return bfd_reloc_outofrange;
573 if (output_bfd != NULL)
574 relocatable = TRUE;
575 else
577 relocatable = FALSE;
578 output_bfd = symbol->section->output_section->owner;
581 ret = score_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp);
582 if (ret != bfd_reloc_ok)
583 return ret;
585 gp = 0;
586 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
587 relocatable, data, gp);
590 /* A howto special_function for R_SCORE_GOT15 relocations. This is just
591 like any other 16-bit relocation when applied to global symbols, but is
592 treated in the same as R_SCORE_HI16 when applied to local symbols. */
593 static bfd_reloc_status_type
594 score_elf_got15_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
595 void *data, asection *input_section,
596 bfd *output_bfd, char **error_message)
598 if ((symbol->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
599 || bfd_is_und_section (bfd_get_section (symbol))
600 || bfd_is_com_section (bfd_get_section (symbol)))
601 /* The relocation is against a global symbol. */
602 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
603 input_section, output_bfd,
604 error_message);
606 return score_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
607 input_section, output_bfd, error_message);
610 static bfd_reloc_status_type
611 score_elf_got_lo16_reloc (bfd *abfd,
612 arelent *reloc_entry,
613 asymbol *symbol ATTRIBUTE_UNUSED,
614 void * data,
615 asection *input_section,
616 bfd *output_bfd ATTRIBUTE_UNUSED,
617 char **error_message ATTRIBUTE_UNUSED)
619 bfd_vma addend = 0, offset = 0;
620 signed long val;
621 signed long hi16_offset, hi16_value, uvalue;
623 hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
624 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
625 addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
626 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
627 val = reloc_entry->addend;
628 if (reloc_entry->address > input_section->size)
629 return bfd_reloc_outofrange;
630 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
631 if ((uvalue > -0x8000) && (uvalue < 0x7fff))
632 hi16_offset = 0;
633 else
634 hi16_offset = (uvalue >> 16) & 0x7fff;
635 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
636 score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
637 offset = (uvalue & 0xffff) << 1;
638 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
639 score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
640 return bfd_reloc_ok;
643 static reloc_howto_type elf32_score_howto_table[] =
645 /* No relocation. */
646 HOWTO (R_SCORE_NONE, /* type */
647 0, /* rightshift */
648 0, /* size (0 = byte, 1 = short, 2 = long) */
649 0, /* bitsize */
650 FALSE, /* pc_relative */
651 0, /* bitpos */
652 complain_overflow_dont,/* complain_on_overflow */
653 bfd_elf_generic_reloc, /* special_function */
654 "R_SCORE_NONE", /* name */
655 FALSE, /* partial_inplace */
656 0, /* src_mask */
657 0, /* dst_mask */
658 FALSE), /* pcrel_offset */
660 /* R_SCORE_HI16 */
661 HOWTO (R_SCORE_HI16, /* type */
662 0, /* rightshift */
663 2, /* size (0 = byte, 1 = short, 2 = long) */
664 16, /* bitsize */
665 FALSE, /* pc_relative */
666 1, /* bitpos */
667 complain_overflow_dont,/* complain_on_overflow */
668 score_elf_hi16_reloc, /* special_function */
669 "R_SCORE_HI16", /* name */
670 TRUE, /* partial_inplace */
671 0x37fff, /* src_mask */
672 0x37fff, /* dst_mask */
673 FALSE), /* pcrel_offset */
675 /* R_SCORE_LO16 */
676 HOWTO (R_SCORE_LO16, /* type */
677 0, /* rightshift */
678 2, /* size (0 = byte, 1 = short, 2 = long) */
679 16, /* bitsize */
680 FALSE, /* pc_relative */
681 1, /* bitpos */
682 complain_overflow_dont,/* complain_on_overflow */
683 score_elf_lo16_reloc, /* special_function */
684 "R_SCORE_LO16", /* name */
685 TRUE, /* partial_inplace */
686 0x37fff, /* src_mask */
687 0x37fff, /* dst_mask */
688 FALSE), /* pcrel_offset */
690 /* R_SCORE_BCMP */
691 HOWTO (R_SCORE_BCMP, /* type */
692 1, /* rightshift */
693 2, /* size (0 = byte, 1 = short, 2 = long) */
694 16, /* bitsize */
695 TRUE, /* pc_relative */
696 1, /* bitpos */
697 complain_overflow_dont,/* complain_on_overflow */
698 bfd_elf_generic_reloc, /* special_function */
699 "R_SCORE_BCMP", /* name */
700 FALSE, /* partial_inplace */
701 0x03e00381, /* src_mask */
702 0x03e00381, /* dst_mask */
703 FALSE), /* pcrel_offset */
705 /*R_SCORE_24 */
706 HOWTO (R_SCORE_24, /* type */
707 1, /* rightshift */
708 2, /* size (0 = byte, 1 = short, 2 = long) */
709 24, /* bitsize */
710 FALSE, /* pc_relative */
711 1, /* bitpos */
712 complain_overflow_dont,/* complain_on_overflow */
713 bfd_elf_generic_reloc, /* special_function */
714 "R_SCORE_24", /* name */
715 FALSE, /* partial_inplace */
716 0x3ff7fff, /* src_mask */
717 0x3ff7fff, /* dst_mask */
718 FALSE), /* pcrel_offset */
720 /*R_SCORE_PC19 */
721 HOWTO (R_SCORE_PC19, /* type */
722 1, /* rightshift */
723 2, /* size (0 = byte, 1 = short, 2 = long) */
724 19, /* bitsize */
725 TRUE, /* pc_relative */
726 1, /* bitpos */
727 complain_overflow_dont,/* complain_on_overflow */
728 bfd_elf_generic_reloc, /* special_function */
729 "R_SCORE_PC19", /* name */
730 FALSE, /* partial_inplace */
731 0x3ff03fe, /* src_mask */
732 0x3ff03fe, /* dst_mask */
733 FALSE), /* pcrel_offset */
735 /*R_SCORE16_11 */
736 HOWTO (R_SCORE16_11, /* type */
737 1, /* rightshift */
738 1, /* size (0 = byte, 1 = short, 2 = long) */
739 11, /* bitsize */
740 FALSE, /* pc_relative */
741 1, /* bitpos */
742 complain_overflow_dont,/* complain_on_overflow */
743 bfd_elf_generic_reloc, /* special_function */
744 "R_SCORE16_11", /* name */
745 FALSE, /* partial_inplace */
746 0x000000ffe, /* src_mask */
747 0x000000ffe, /* dst_mask */
748 FALSE), /* pcrel_offset */
750 /* R_SCORE16_PC8 */
751 HOWTO (R_SCORE16_PC8, /* type */
752 1, /* rightshift */
753 1, /* size (0 = byte, 1 = short, 2 = long) */
754 9, /* bitsize */
755 TRUE, /* pc_relative */
756 0, /* bitpos */
757 complain_overflow_dont,/* complain_on_overflow */
758 bfd_elf_generic_reloc, /* special_function */
759 "R_SCORE16_PC8", /* name */
760 FALSE, /* partial_inplace */
761 0x000001ff, /* src_mask */
762 0x000001ff, /* dst_mask */
763 FALSE), /* pcrel_offset */
765 /* 32 bit absolute */
766 HOWTO (R_SCORE_ABS32, /* type 8 */
767 0, /* rightshift */
768 2, /* size (0 = byte, 1 = short, 2 = long) */
769 32, /* bitsize */
770 FALSE, /* pc_relative */
771 0, /* bitpos */
772 complain_overflow_bitfield, /* complain_on_overflow */
773 bfd_elf_generic_reloc, /* special_function */
774 "R_SCORE_ABS32", /* name */
775 FALSE, /* partial_inplace */
776 0xffffffff, /* src_mask */
777 0xffffffff, /* dst_mask */
778 FALSE), /* pcrel_offset */
780 /* 16 bit absolute */
781 HOWTO (R_SCORE_ABS16, /* type 11 */
782 0, /* rightshift */
783 1, /* size (0 = byte, 1 = short, 2 = long) */
784 16, /* bitsize */
785 FALSE, /* pc_relative */
786 0, /* bitpos */
787 complain_overflow_bitfield, /* complain_on_overflow */
788 bfd_elf_generic_reloc, /* special_function */
789 "R_SCORE_ABS16", /* name */
790 FALSE, /* partial_inplace */
791 0x0000ffff, /* src_mask */
792 0x0000ffff, /* dst_mask */
793 FALSE), /* pcrel_offset */
795 /* R_SCORE_DUMMY2 */
796 HOWTO (R_SCORE_DUMMY2, /* type */
797 0, /* rightshift */
798 2, /* size (0 = byte, 1 = short, 2 = long) */
799 16, /* bitsize */
800 FALSE, /* pc_relative */
801 0, /* bitpos */
802 complain_overflow_dont,/* complain_on_overflow */
803 bfd_elf_generic_reloc, /* special_function */
804 "R_SCORE_DUMMY2", /* name */
805 TRUE, /* partial_inplace */
806 0x00007fff, /* src_mask */
807 0x00007fff, /* dst_mask */
808 FALSE), /* pcrel_offset */
810 /* R_SCORE_GP15 */
811 HOWTO (R_SCORE_GP15, /* type */
812 0, /* rightshift */
813 2, /* size (0 = byte, 1 = short, 2 = long) */
814 16, /* bitsize */
815 FALSE, /* pc_relative */
816 0, /* bitpos */
817 complain_overflow_dont,/* complain_on_overflow */
818 score_elf_gprel15_reloc,/* special_function */
819 "R_SCORE_GP15", /* name */
820 TRUE, /* partial_inplace */
821 0x00007fff, /* src_mask */
822 0x00007fff, /* dst_mask */
823 FALSE), /* pcrel_offset */
825 /* GNU extension to record C++ vtable hierarchy. */
826 HOWTO (R_SCORE_GNU_VTINHERIT, /* type */
827 0, /* rightshift */
828 2, /* size (0 = byte, 1 = short, 2 = long) */
829 0, /* bitsize */
830 FALSE, /* pc_relative */
831 0, /* bitpos */
832 complain_overflow_dont,/* complain_on_overflow */
833 NULL, /* special_function */
834 "R_SCORE_GNU_VTINHERIT", /* name */
835 FALSE, /* partial_inplace */
836 0, /* src_mask */
837 0, /* dst_mask */
838 FALSE), /* pcrel_offset */
840 /* GNU extension to record C++ vtable member usage */
841 HOWTO (R_SCORE_GNU_VTENTRY, /* type */
842 0, /* rightshift */
843 2, /* size (0 = byte, 1 = short, 2 = long) */
844 0, /* bitsize */
845 FALSE, /* pc_relative */
846 0, /* bitpos */
847 complain_overflow_dont,/* complain_on_overflow */
848 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
849 "R_SCORE_GNU_VTENTRY", /* name */
850 FALSE, /* partial_inplace */
851 0, /* src_mask */
852 0, /* dst_mask */
853 FALSE), /* pcrel_offset */
855 /* Reference to global offset table. */
856 HOWTO (R_SCORE_GOT15, /* type */
857 0, /* rightshift */
858 2, /* size (0 = byte, 1 = short, 2 = long) */
859 16, /* bitsize */
860 FALSE, /* pc_relative */
861 0, /* bitpos */
862 complain_overflow_signed, /* complain_on_overflow */
863 score_elf_got15_reloc, /* special_function */
864 "R_SCORE_GOT15", /* name */
865 TRUE, /* partial_inplace */
866 0x00007fff, /* src_mask */
867 0x00007fff, /* dst_mask */
868 FALSE), /* pcrel_offset */
870 /* Low 16 bits of displacement in global offset table. */
871 HOWTO (R_SCORE_GOT_LO16, /* type */
872 0, /* rightshift */
873 2, /* size (0 = byte, 1 = short, 2 = long) */
874 16, /* bitsize */
875 FALSE, /* pc_relative */
876 1, /* bitpos */
877 complain_overflow_dont,/* complain_on_overflow */
878 score_elf_got_lo16_reloc, /* special_function */
879 "R_SCORE_GOT_LO16", /* name */
880 TRUE, /* partial_inplace */
881 0x37ffe, /* src_mask */
882 0x37ffe, /* dst_mask */
883 FALSE), /* pcrel_offset */
885 /* 15 bit call through global offset table. */
886 HOWTO (R_SCORE_CALL15, /* type */
887 0, /* rightshift */
888 2, /* size (0 = byte, 1 = short, 2 = long) */
889 16, /* bitsize */
890 FALSE, /* pc_relative */
891 0, /* bitpos */
892 complain_overflow_signed, /* complain_on_overflow */
893 bfd_elf_generic_reloc, /* special_function */
894 "R_SCORE_CALL15", /* name */
895 TRUE, /* partial_inplace */
896 0x0000ffff, /* src_mask */
897 0x0000ffff, /* dst_mask */
898 FALSE), /* pcrel_offset */
900 /* 32 bit GP relative reference. */
901 HOWTO (R_SCORE_GPREL32, /* type */
902 0, /* rightshift */
903 2, /* size (0 = byte, 1 = short, 2 = long) */
904 32, /* bitsize */
905 FALSE, /* pc_relative */
906 0, /* bitpos */
907 complain_overflow_dont,/* complain_on_overflow */
908 score_elf_gprel32_reloc, /* special_function */
909 "R_SCORE_GPREL32", /* name */
910 TRUE, /* partial_inplace */
911 0xffffffff, /* src_mask */
912 0xffffffff, /* dst_mask */
913 FALSE), /* pcrel_offset */
915 /* 32 bit symbol relative relocation. */
916 HOWTO (R_SCORE_REL32, /* type */
917 0, /* rightshift */
918 2, /* size (0 = byte, 1 = short, 2 = long) */
919 32, /* bitsize */
920 FALSE, /* pc_relative */
921 0, /* bitpos */
922 complain_overflow_dont,/* complain_on_overflow */
923 bfd_elf_generic_reloc, /* special_function */
924 "R_SCORE_REL32", /* name */
925 TRUE, /* partial_inplace */
926 0xffffffff, /* src_mask */
927 0xffffffff, /* dst_mask */
928 FALSE), /* pcrel_offset */
930 /* R_SCORE_DUMMY_HI16 */
931 HOWTO (R_SCORE_DUMMY_HI16, /* type */
932 0, /* rightshift */
933 2, /* size (0 = byte, 1 = short, 2 = long) */
934 16, /* bitsize */
935 FALSE, /* pc_relative */
936 1, /* bitpos */
937 complain_overflow_dont,/* complain_on_overflow */
938 score_elf_hi16_reloc, /* special_function */
939 "R_SCORE_DUMMY_HI16", /* name */
940 TRUE, /* partial_inplace */
941 0x37fff, /* src_mask */
942 0x37fff, /* dst_mask */
943 FALSE), /* pcrel_offset */
945 /* R_SCORE_IMM30 */
946 HOWTO (R_SCORE_IMM30, /* type */
947 2, /* rightshift */
948 2, /* size (0 = byte, 1 = short, 2 = long) */
949 30, /* bitsize */
950 FALSE, /* pc_relative */
951 7, /* bitpos */
952 complain_overflow_dont,/* complain_on_overflow */
953 bfd_elf_generic_reloc, /* special_function */
954 "R_SCORE_IMM30", /* name */
955 FALSE, /* partial_inplace */
956 0x7f7fff7f80LL, /* src_mask */
957 0x7f7fff7f80LL, /* dst_mask */
958 FALSE), /* pcrel_offset */
960 /* R_SCORE_IMM32 */
961 HOWTO (R_SCORE_IMM32, /* type */
962 0, /* rightshift */
963 2, /* size (0 = byte, 1 = short, 2 = long) */
964 32, /* bitsize */
965 FALSE, /* pc_relative */
966 5, /* bitpos */
967 complain_overflow_dont,/* complain_on_overflow */
968 bfd_elf_generic_reloc, /* special_function */
969 "R_SCORE_IMM32", /* name */
970 FALSE, /* partial_inplace */
971 0x7f7fff7fe0LL, /* src_mask */
972 0x7f7fff7fe0LL, /* dst_mask */
973 FALSE), /* pcrel_offset */
976 struct score_reloc_map
978 bfd_reloc_code_real_type bfd_reloc_val;
979 unsigned char elf_reloc_val;
982 static const struct score_reloc_map elf32_score_reloc_map[] =
984 {BFD_RELOC_NONE, R_SCORE_NONE},
985 {BFD_RELOC_HI16_S, R_SCORE_HI16},
986 {BFD_RELOC_LO16, R_SCORE_LO16},
987 {BFD_RELOC_SCORE_BCMP, R_SCORE_BCMP},
988 {BFD_RELOC_SCORE_JMP, R_SCORE_24},
989 {BFD_RELOC_SCORE_BRANCH, R_SCORE_PC19},
990 {BFD_RELOC_SCORE16_JMP, R_SCORE16_11},
991 {BFD_RELOC_SCORE16_BRANCH, R_SCORE16_PC8},
992 {BFD_RELOC_32, R_SCORE_ABS32},
993 {BFD_RELOC_16, R_SCORE_ABS16},
994 {BFD_RELOC_SCORE_DUMMY2, R_SCORE_DUMMY2},
995 {BFD_RELOC_SCORE_GPREL15, R_SCORE_GP15},
996 {BFD_RELOC_VTABLE_INHERIT, R_SCORE_GNU_VTINHERIT},
997 {BFD_RELOC_VTABLE_ENTRY, R_SCORE_GNU_VTENTRY},
998 {BFD_RELOC_SCORE_GOT15, R_SCORE_GOT15},
999 {BFD_RELOC_SCORE_GOT_LO16, R_SCORE_GOT_LO16},
1000 {BFD_RELOC_SCORE_CALL15, R_SCORE_CALL15},
1001 {BFD_RELOC_GPREL32, R_SCORE_GPREL32},
1002 {BFD_RELOC_32_PCREL, R_SCORE_REL32},
1003 {BFD_RELOC_SCORE_DUMMY_HI16, R_SCORE_DUMMY_HI16},
1004 {BFD_RELOC_SCORE_IMM30, R_SCORE_IMM30},
1005 {BFD_RELOC_SCORE_IMM32, R_SCORE_IMM32},
1008 /* got_entries only match if they're identical, except for gotidx, so
1009 use all fields to compute the hash, and compare the appropriate
1010 union members. */
1011 static hashval_t
1012 score_elf_got_entry_hash (const void *entry_)
1014 const struct score_got_entry *entry = (struct score_got_entry *)entry_;
1016 return entry->symndx
1017 + (!entry->abfd ? entry->d.address : entry->abfd->id);
1020 static int
1021 score_elf_got_entry_eq (const void *entry1, const void *entry2)
1023 const struct score_got_entry *e1 = (struct score_got_entry *)entry1;
1024 const struct score_got_entry *e2 = (struct score_got_entry *)entry2;
1026 return e1->abfd == e2->abfd && e1->symndx == e2->symndx
1027 && (! e1->abfd ? e1->d.address == e2->d.address
1028 : e1->symndx >= 0 ? e1->d.addend == e2->d.addend
1029 : e1->d.h == e2->d.h);
1032 /* If H needs a GOT entry, assign it the highest available dynamic
1033 index. Otherwise, assign it the lowest available dynamic
1034 index. */
1035 static bfd_boolean
1036 score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data)
1038 struct score_elf_hash_sort_data *hsd = data;
1040 if (h->root.root.type == bfd_link_hash_warning)
1041 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1043 /* Symbols without dynamic symbol table entries aren't interesting at all. */
1044 if (h->root.dynindx == -1)
1045 return TRUE;
1047 /* Global symbols that need GOT entries that are not explicitly
1048 referenced are marked with got offset 2. Those that are
1049 referenced get a 1, and those that don't need GOT entries get
1050 -1. */
1051 if (h->root.got.offset == 2)
1053 if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx)
1054 hsd->low = (struct elf_link_hash_entry *) h;
1055 h->root.dynindx = hsd->max_unref_got_dynindx++;
1057 else if (h->root.got.offset != 1)
1058 h->root.dynindx = hsd->max_non_got_dynindx++;
1059 else
1061 h->root.dynindx = --hsd->min_got_dynindx;
1062 hsd->low = (struct elf_link_hash_entry *) h;
1065 return TRUE;
1068 static asection *
1069 score_elf_got_section (bfd *abfd, bfd_boolean maybe_excluded)
1071 asection *sgot = bfd_get_section_by_name (abfd, ".got");
1073 if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0))
1074 return NULL;
1075 return sgot;
1078 /* Returns the GOT information associated with the link indicated by
1079 INFO. If SGOTP is non-NULL, it is filled in with the GOT section. */
1080 static struct score_got_info *
1081 score_elf_got_info (bfd *abfd, asection **sgotp)
1083 asection *sgot;
1084 struct score_got_info *g;
1086 sgot = score_elf_got_section (abfd, TRUE);
1087 BFD_ASSERT (sgot != NULL);
1088 BFD_ASSERT (elf_section_data (sgot) != NULL);
1089 g = score_elf_section_data (sgot)->u.got_info;
1090 BFD_ASSERT (g != NULL);
1092 if (sgotp)
1093 *sgotp = sgot;
1094 return g;
1097 /* Sort the dynamic symbol table so that symbols that need GOT entries
1098 appear towards the end. This reduces the amount of GOT space
1099 required. MAX_LOCAL is used to set the number of local symbols
1100 known to be in the dynamic symbol table. During
1101 s3_bfd_score_elf_size_dynamic_sections, this value is 1. Afterward, the
1102 section symbols are added and the count is higher. */
1103 static bfd_boolean
1104 score_elf_sort_hash_table (struct bfd_link_info *info,
1105 unsigned long max_local)
1107 struct score_elf_hash_sort_data hsd;
1108 struct score_got_info *g;
1109 bfd *dynobj;
1111 dynobj = elf_hash_table (info)->dynobj;
1113 g = score_elf_got_info (dynobj, NULL);
1115 hsd.low = NULL;
1116 hsd.max_unref_got_dynindx =
1117 hsd.min_got_dynindx = elf_hash_table (info)->dynsymcount
1118 /* In the multi-got case, assigned_gotno of the master got_info
1119 indicate the number of entries that aren't referenced in the
1120 primary GOT, but that must have entries because there are
1121 dynamic relocations that reference it. Since they aren't
1122 referenced, we move them to the end of the GOT, so that they
1123 don't prevent other entries that are referenced from getting
1124 too large offsets. */
1125 - (g->next ? g->assigned_gotno : 0);
1126 hsd.max_non_got_dynindx = max_local;
1127 score_elf_link_hash_traverse (elf_hash_table (info),
1128 score_elf_sort_hash_table_f,
1129 &hsd);
1131 /* There should have been enough room in the symbol table to
1132 accommodate both the GOT and non-GOT symbols. */
1133 BFD_ASSERT (hsd.max_non_got_dynindx <= hsd.min_got_dynindx);
1134 BFD_ASSERT ((unsigned long)hsd.max_unref_got_dynindx
1135 <= elf_hash_table (info)->dynsymcount);
1137 /* Now we know which dynamic symbol has the lowest dynamic symbol
1138 table index in the GOT. */
1139 g->global_gotsym = hsd.low;
1141 return TRUE;
1144 /* Create an entry in an score ELF linker hash table. */
1146 static struct bfd_hash_entry *
1147 score_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
1148 struct bfd_hash_table *table,
1149 const char *string)
1151 struct score_elf_link_hash_entry *ret = (struct score_elf_link_hash_entry *) entry;
1153 /* Allocate the structure if it has not already been allocated by a subclass. */
1154 if (ret == NULL)
1155 ret = bfd_hash_allocate (table, sizeof (struct score_elf_link_hash_entry));
1156 if (ret == NULL)
1157 return (struct bfd_hash_entry *) ret;
1159 /* Call the allocation method of the superclass. */
1160 ret = ((struct score_elf_link_hash_entry *)
1161 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
1163 if (ret != NULL)
1165 ret->possibly_dynamic_relocs = 0;
1166 ret->readonly_reloc = FALSE;
1167 ret->no_fn_stub = FALSE;
1168 ret->forced_local = FALSE;
1171 return (struct bfd_hash_entry *) ret;
1174 /* Returns the first relocation of type r_type found, beginning with
1175 RELOCATION. RELEND is one-past-the-end of the relocation table. */
1176 static const Elf_Internal_Rela *
1177 score_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
1178 const Elf_Internal_Rela *relocation,
1179 const Elf_Internal_Rela *relend)
1181 while (relocation < relend)
1183 if (ELF32_R_TYPE (relocation->r_info) == r_type)
1184 return relocation;
1186 ++relocation;
1189 /* We didn't find it. */
1190 bfd_set_error (bfd_error_bad_value);
1191 return NULL;
1194 /* This function is called via qsort() to sort the dynamic relocation
1195 entries by increasing r_symndx value. */
1196 static int
1197 score_elf_sort_dynamic_relocs (const void *arg1, const void *arg2)
1199 Elf_Internal_Rela int_reloc1;
1200 Elf_Internal_Rela int_reloc2;
1202 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg1, &int_reloc1);
1203 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg2, &int_reloc2);
1205 return (ELF32_R_SYM (int_reloc1.r_info) - ELF32_R_SYM (int_reloc2.r_info));
1208 /* Return whether a relocation is against a local symbol. */
1209 static bfd_boolean
1210 score_elf_local_relocation_p (bfd *input_bfd,
1211 const Elf_Internal_Rela *relocation,
1212 asection **local_sections,
1213 bfd_boolean check_forced)
1215 unsigned long r_symndx;
1216 Elf_Internal_Shdr *symtab_hdr;
1217 struct score_elf_link_hash_entry *h;
1218 size_t extsymoff;
1220 r_symndx = ELF32_R_SYM (relocation->r_info);
1221 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1222 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
1224 if (r_symndx < extsymoff)
1225 return TRUE;
1226 if (elf_bad_symtab (input_bfd) && local_sections[r_symndx] != NULL)
1227 return TRUE;
1229 if (check_forced)
1231 /* Look up the hash table to check whether the symbol was forced local. */
1232 h = (struct score_elf_link_hash_entry *)
1233 elf_sym_hashes (input_bfd) [r_symndx - extsymoff];
1234 /* Find the real hash-table entry for this symbol. */
1235 while (h->root.root.type == bfd_link_hash_indirect
1236 || h->root.root.type == bfd_link_hash_warning)
1237 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1238 if (h->root.forced_local)
1239 return TRUE;
1242 return FALSE;
1245 /* Returns the dynamic relocation section for DYNOBJ. */
1246 static asection *
1247 score_elf_rel_dyn_section (bfd *dynobj, bfd_boolean create_p)
1249 static const char dname[] = ".rel.dyn";
1250 asection *sreloc;
1252 sreloc = bfd_get_section_by_name (dynobj, dname);
1253 if (sreloc == NULL && create_p)
1255 sreloc = bfd_make_section_with_flags (dynobj, dname,
1256 (SEC_ALLOC
1257 | SEC_LOAD
1258 | SEC_HAS_CONTENTS
1259 | SEC_IN_MEMORY
1260 | SEC_LINKER_CREATED
1261 | SEC_READONLY));
1262 if (sreloc == NULL
1263 || ! bfd_set_section_alignment (dynobj, sreloc,
1264 SCORE_ELF_LOG_FILE_ALIGN (dynobj)))
1265 return NULL;
1267 return sreloc;
1270 static void
1271 score_elf_allocate_dynamic_relocations (bfd *abfd, unsigned int n)
1273 asection *s;
1275 s = score_elf_rel_dyn_section (abfd, FALSE);
1276 BFD_ASSERT (s != NULL);
1278 if (s->size == 0)
1280 /* Make room for a null element. */
1281 s->size += SCORE_ELF_REL_SIZE (abfd);
1282 ++s->reloc_count;
1284 s->size += n * SCORE_ELF_REL_SIZE (abfd);
1287 /* Create a rel.dyn relocation for the dynamic linker to resolve. REL
1288 is the original relocation, which is now being transformed into a
1289 dynamic relocation. The ADDENDP is adjusted if necessary; the
1290 caller should store the result in place of the original addend. */
1291 static bfd_boolean
1292 score_elf_create_dynamic_relocation (bfd *output_bfd,
1293 struct bfd_link_info *info,
1294 const Elf_Internal_Rela *rel,
1295 struct score_elf_link_hash_entry *h,
1296 bfd_vma symbol,
1297 bfd_vma *addendp, asection *input_section)
1299 Elf_Internal_Rela outrel[3];
1300 asection *sreloc;
1301 bfd *dynobj;
1302 int r_type;
1303 long indx;
1304 bfd_boolean defined_p;
1306 r_type = ELF32_R_TYPE (rel->r_info);
1307 dynobj = elf_hash_table (info)->dynobj;
1308 sreloc = score_elf_rel_dyn_section (dynobj, FALSE);
1309 BFD_ASSERT (sreloc != NULL);
1310 BFD_ASSERT (sreloc->contents != NULL);
1311 BFD_ASSERT (sreloc->reloc_count * SCORE_ELF_REL_SIZE (output_bfd) < sreloc->size);
1313 outrel[0].r_offset =
1314 _bfd_elf_section_offset (output_bfd, info, input_section, rel[0].r_offset);
1315 outrel[1].r_offset =
1316 _bfd_elf_section_offset (output_bfd, info, input_section, rel[1].r_offset);
1317 outrel[2].r_offset =
1318 _bfd_elf_section_offset (output_bfd, info, input_section, rel[2].r_offset);
1320 if (outrel[0].r_offset == MINUS_ONE)
1321 /* The relocation field has been deleted. */
1322 return TRUE;
1324 if (outrel[0].r_offset == MINUS_TWO)
1326 /* The relocation field has been converted into a relative value of
1327 some sort. Functions like _bfd_elf_write_section_eh_frame expect
1328 the field to be fully relocated, so add in the symbol's value. */
1329 *addendp += symbol;
1330 return TRUE;
1333 /* We must now calculate the dynamic symbol table index to use
1334 in the relocation. */
1335 if (h != NULL
1336 && (! info->symbolic || !h->root.def_regular)
1337 /* h->root.dynindx may be -1 if this symbol was marked to
1338 become local. */
1339 && h->root.dynindx != -1)
1341 indx = h->root.dynindx;
1342 /* ??? glibc's ld.so just adds the final GOT entry to the
1343 relocation field. It therefore treats relocs against
1344 defined symbols in the same way as relocs against
1345 undefined symbols. */
1346 defined_p = FALSE;
1348 else
1350 indx = 0;
1351 defined_p = TRUE;
1354 /* If the relocation was previously an absolute relocation and
1355 this symbol will not be referred to by the relocation, we must
1356 adjust it by the value we give it in the dynamic symbol table.
1357 Otherwise leave the job up to the dynamic linker. */
1358 if (defined_p && r_type != R_SCORE_REL32)
1359 *addendp += symbol;
1361 /* The relocation is always an REL32 relocation because we don't
1362 know where the shared library will wind up at load-time. */
1363 outrel[0].r_info = ELF32_R_INFO ((unsigned long) indx, R_SCORE_REL32);
1365 /* For strict adherence to the ABI specification, we should
1366 generate a R_SCORE_64 relocation record by itself before the
1367 _REL32/_64 record as well, such that the addend is read in as
1368 a 64-bit value (REL32 is a 32-bit relocation, after all).
1369 However, since none of the existing ELF64 SCORE dynamic
1370 loaders seems to care, we don't waste space with these
1371 artificial relocations. If this turns out to not be true,
1372 score_elf_allocate_dynamic_relocations() should be tweaked so
1373 as to make room for a pair of dynamic relocations per
1374 invocation if ABI_64_P, and here we should generate an
1375 additional relocation record with R_SCORE_64 by itself for a
1376 NULL symbol before this relocation record. */
1377 outrel[1].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1378 outrel[2].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1380 /* Adjust the output offset of the relocation to reference the
1381 correct location in the output file. */
1382 outrel[0].r_offset += (input_section->output_section->vma
1383 + input_section->output_offset);
1384 outrel[1].r_offset += (input_section->output_section->vma
1385 + input_section->output_offset);
1386 outrel[2].r_offset += (input_section->output_section->vma
1387 + input_section->output_offset);
1389 /* Put the relocation back out. We have to use the special
1390 relocation outputter in the 64-bit case since the 64-bit
1391 relocation format is non-standard. */
1392 bfd_elf32_swap_reloc_out
1393 (output_bfd, &outrel[0],
1394 (sreloc->contents + sreloc->reloc_count * sizeof (Elf32_External_Rel)));
1396 /* We've now added another relocation. */
1397 ++sreloc->reloc_count;
1399 /* Make sure the output section is writable. The dynamic linker
1400 will be writing to it. */
1401 elf_section_data (input_section->output_section)->this_hdr.sh_flags |= SHF_WRITE;
1403 return TRUE;
1406 static bfd_boolean
1407 score_elf_create_got_section (bfd *abfd,
1408 struct bfd_link_info *info,
1409 bfd_boolean maybe_exclude)
1411 flagword flags;
1412 asection *s;
1413 struct elf_link_hash_entry *h;
1414 struct bfd_link_hash_entry *bh;
1415 struct score_got_info *g;
1416 bfd_size_type amt;
1418 /* This function may be called more than once. */
1419 s = score_elf_got_section (abfd, TRUE);
1420 if (s)
1422 if (! maybe_exclude)
1423 s->flags &= ~SEC_EXCLUDE;
1424 return TRUE;
1427 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1429 if (maybe_exclude)
1430 flags |= SEC_EXCLUDE;
1432 /* We have to use an alignment of 2**4 here because this is hardcoded
1433 in the function stub generation and in the linker script. */
1434 s = bfd_make_section_with_flags (abfd, ".got", flags);
1435 if (s == NULL
1436 || ! bfd_set_section_alignment (abfd, s, 4))
1437 return FALSE;
1439 /* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
1440 linker script because we don't want to define the symbol if we
1441 are not creating a global offset table. */
1442 bh = NULL;
1443 if (! (_bfd_generic_link_add_one_symbol
1444 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
1445 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
1446 return FALSE;
1448 h = (struct elf_link_hash_entry *) bh;
1449 h->non_elf = 0;
1450 h->def_regular = 1;
1451 h->type = STT_OBJECT;
1453 if (info->shared && ! bfd_elf_link_record_dynamic_symbol (info, h))
1454 return FALSE;
1456 amt = sizeof (struct score_got_info);
1457 g = bfd_alloc (abfd, amt);
1458 if (g == NULL)
1459 return FALSE;
1461 g->global_gotsym = NULL;
1462 g->global_gotno = 0;
1464 g->local_gotno = SCORE_RESERVED_GOTNO;
1465 g->assigned_gotno = SCORE_RESERVED_GOTNO;
1466 g->next = NULL;
1468 g->got_entries = htab_try_create (1, score_elf_got_entry_hash,
1469 score_elf_got_entry_eq, NULL);
1470 if (g->got_entries == NULL)
1471 return FALSE;
1472 score_elf_section_data (s)->u.got_info = g;
1473 score_elf_section_data (s)->elf.this_hdr.sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
1475 return TRUE;
1478 /* Calculate the %high function. */
1479 static bfd_vma
1480 score_elf_high (bfd_vma value)
1482 return ((value + (bfd_vma) 0x8000) >> 16) & 0xffff;
1485 /* Create a local GOT entry for VALUE. Return the index of the entry,
1486 or -1 if it could not be created. */
1487 static struct score_got_entry *
1488 score_elf_create_local_got_entry (bfd *abfd,
1489 bfd *ibfd ATTRIBUTE_UNUSED,
1490 struct score_got_info *gg,
1491 asection *sgot, bfd_vma value,
1492 unsigned long r_symndx ATTRIBUTE_UNUSED,
1493 struct score_elf_link_hash_entry *h ATTRIBUTE_UNUSED,
1494 int r_type ATTRIBUTE_UNUSED)
1496 struct score_got_entry entry, **loc;
1497 struct score_got_info *g;
1499 entry.abfd = NULL;
1500 entry.symndx = -1;
1501 entry.d.address = value;
1503 g = gg;
1504 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1505 if (*loc)
1506 return *loc;
1508 entry.gotidx = SCORE_ELF_GOT_SIZE (abfd) * g->assigned_gotno++;
1510 *loc = bfd_alloc (abfd, sizeof entry);
1512 if (! *loc)
1513 return NULL;
1515 memcpy (*loc, &entry, sizeof entry);
1517 if (g->assigned_gotno >= g->local_gotno)
1519 (*loc)->gotidx = -1;
1520 /* We didn't allocate enough space in the GOT. */
1521 (*_bfd_error_handler)
1522 (_("not enough GOT space for local GOT entries"));
1523 bfd_set_error (bfd_error_bad_value);
1524 return NULL;
1527 score_bfd_put_32 (abfd, value, (sgot->contents + entry.gotidx));
1529 return *loc;
1532 /* Find a GOT entry whose higher-order 16 bits are the same as those
1533 for value. Return the index into the GOT for this entry. */
1534 static bfd_vma
1535 score_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1536 bfd_vma value, bfd_boolean external)
1538 asection *sgot;
1539 struct score_got_info *g;
1540 struct score_got_entry *entry;
1542 if (!external)
1544 /* Although the ABI says that it is "the high-order 16 bits" that we
1545 want, it is really the %high value. The complete value is
1546 calculated with a `addiu' of a LO16 relocation, just as with a
1547 HI16/LO16 pair. */
1548 value = score_elf_high (value) << 16;
1551 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1553 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL,
1554 R_SCORE_GOT15);
1555 if (entry)
1556 return entry->gotidx;
1557 else
1558 return MINUS_ONE;
1561 static void
1562 s3_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
1563 struct elf_link_hash_entry *entry,
1564 bfd_boolean force_local)
1566 bfd *dynobj;
1567 asection *got;
1568 struct score_got_info *g;
1569 struct score_elf_link_hash_entry *h;
1571 h = (struct score_elf_link_hash_entry *) entry;
1572 if (h->forced_local)
1573 return;
1574 h->forced_local = TRUE;
1576 dynobj = elf_hash_table (info)->dynobj;
1577 if (dynobj != NULL && force_local)
1579 got = score_elf_got_section (dynobj, FALSE);
1580 if (got == NULL)
1581 return;
1582 g = score_elf_section_data (got)->u.got_info;
1584 if (g->next)
1586 struct score_got_entry e;
1587 struct score_got_info *gg = g;
1589 /* Since we're turning what used to be a global symbol into a
1590 local one, bump up the number of local entries of each GOT
1591 that had an entry for it. This will automatically decrease
1592 the number of global entries, since global_gotno is actually
1593 the upper limit of global entries. */
1594 e.abfd = dynobj;
1595 e.symndx = -1;
1596 e.d.h = h;
1598 for (g = g->next; g != gg; g = g->next)
1599 if (htab_find (g->got_entries, &e))
1601 BFD_ASSERT (g->global_gotno > 0);
1602 g->local_gotno++;
1603 g->global_gotno--;
1606 /* If this was a global symbol forced into the primary GOT, we
1607 no longer need an entry for it. We can't release the entry
1608 at this point, but we must at least stop counting it as one
1609 of the symbols that required a forced got entry. */
1610 if (h->root.got.offset == 2)
1612 BFD_ASSERT (gg->assigned_gotno > 0);
1613 gg->assigned_gotno--;
1616 else if (g->global_gotno == 0 && g->global_gotsym == NULL)
1617 /* If we haven't got through GOT allocation yet, just bump up the
1618 number of local entries, as this symbol won't be counted as
1619 global. */
1620 g->local_gotno++;
1621 else if (h->root.got.offset == 1)
1623 /* If we're past non-multi-GOT allocation and this symbol had
1624 been marked for a global got entry, give it a local entry
1625 instead. */
1626 BFD_ASSERT (g->global_gotno > 0);
1627 g->local_gotno++;
1628 g->global_gotno--;
1632 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1635 /* If H is a symbol that needs a global GOT entry, but has a dynamic
1636 symbol table index lower than any we've seen to date, record it for
1637 posterity. */
1638 static bfd_boolean
1639 score_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
1640 bfd *abfd,
1641 struct bfd_link_info *info,
1642 struct score_got_info *g)
1644 struct score_got_entry entry, **loc;
1646 /* A global symbol in the GOT must also be in the dynamic symbol table. */
1647 if (h->dynindx == -1)
1649 switch (ELF_ST_VISIBILITY (h->other))
1651 case STV_INTERNAL:
1652 case STV_HIDDEN:
1653 s3_bfd_score_elf_hide_symbol (info, h, TRUE);
1654 break;
1656 if (!bfd_elf_link_record_dynamic_symbol (info, h))
1657 return FALSE;
1660 entry.abfd = abfd;
1661 entry.symndx = -1;
1662 entry.d.h = (struct score_elf_link_hash_entry *)h;
1664 loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
1666 /* If we've already marked this entry as needing GOT space, we don't
1667 need to do it again. */
1668 if (*loc)
1669 return TRUE;
1671 *loc = bfd_alloc (abfd, sizeof entry);
1672 if (! *loc)
1673 return FALSE;
1675 entry.gotidx = -1;
1677 memcpy (*loc, &entry, sizeof (entry));
1679 if (h->got.offset != MINUS_ONE)
1680 return TRUE;
1682 /* By setting this to a value other than -1, we are indicating that
1683 there needs to be a GOT entry for H. Avoid using zero, as the
1684 generic ELF copy_indirect_symbol tests for <= 0. */
1685 h->got.offset = 1;
1687 return TRUE;
1690 /* Reserve space in G for a GOT entry containing the value of symbol
1691 SYMNDX in input bfd ABDF, plus ADDEND. */
1692 static bfd_boolean
1693 score_elf_record_local_got_symbol (bfd *abfd,
1694 long symndx,
1695 bfd_vma addend,
1696 struct score_got_info *g)
1698 struct score_got_entry entry, **loc;
1700 entry.abfd = abfd;
1701 entry.symndx = symndx;
1702 entry.d.addend = addend;
1703 loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
1705 if (*loc)
1706 return TRUE;
1708 entry.gotidx = g->local_gotno++;
1710 *loc = bfd_alloc (abfd, sizeof(entry));
1711 if (! *loc)
1712 return FALSE;
1714 memcpy (*loc, &entry, sizeof (entry));
1716 return TRUE;
1719 /* Returns the GOT offset at which the indicated address can be found.
1720 If there is not yet a GOT entry for this value, create one.
1721 Returns -1 if no satisfactory GOT offset can be found. */
1722 static bfd_vma
1723 score_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1724 bfd_vma value, unsigned long r_symndx,
1725 struct score_elf_link_hash_entry *h, int r_type)
1727 asection *sgot;
1728 struct score_got_info *g;
1729 struct score_got_entry *entry;
1731 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1733 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value,
1734 r_symndx, h, r_type);
1735 if (!entry)
1736 return MINUS_ONE;
1738 else
1739 return entry->gotidx;
1742 /* Returns the GOT index for the global symbol indicated by H. */
1744 static bfd_vma
1745 score_elf_global_got_index (bfd *abfd, struct elf_link_hash_entry *h)
1747 bfd_vma got_index;
1748 asection *sgot;
1749 struct score_got_info *g;
1750 long global_got_dynindx = 0;
1752 g = score_elf_got_info (abfd, &sgot);
1753 if (g->global_gotsym != NULL)
1754 global_got_dynindx = g->global_gotsym->dynindx;
1756 /* Once we determine the global GOT entry with the lowest dynamic
1757 symbol table index, we must put all dynamic symbols with greater
1758 indices into the GOT. That makes it easy to calculate the GOT
1759 offset. */
1760 BFD_ASSERT (h->dynindx >= global_got_dynindx);
1761 got_index = ((h->dynindx - global_got_dynindx + g->local_gotno) * SCORE_ELF_GOT_SIZE (abfd));
1762 BFD_ASSERT (got_index < sgot->size);
1764 return got_index;
1767 /* Returns the offset for the entry at the INDEXth position in the GOT. */
1769 static bfd_vma
1770 score_elf_got_offset_from_index (bfd *dynobj,
1771 bfd *output_bfd,
1772 bfd *input_bfd ATTRIBUTE_UNUSED,
1773 bfd_vma got_index)
1775 asection *sgot;
1776 bfd_vma gp;
1777 struct score_got_info *g;
1779 g = score_elf_got_info (dynobj, &sgot);
1780 gp = _bfd_get_gp_value (output_bfd);
1782 return sgot->output_section->vma + sgot->output_offset + got_index - gp;
1785 /* Follow indirect and warning hash entries so that each got entry
1786 points to the final symbol definition. P must point to a pointer
1787 to the hash table we're traversing. Since this traversal may
1788 modify the hash table, we set this pointer to NULL to indicate
1789 we've made a potentially-destructive change to the hash table, so
1790 the traversal must be restarted. */
1791 static int
1792 score_elf_resolve_final_got_entry (void **entryp, void *p)
1794 struct score_got_entry *entry = (struct score_got_entry *)*entryp;
1795 htab_t got_entries = *(htab_t *)p;
1797 if (entry->abfd != NULL && entry->symndx == -1)
1799 struct score_elf_link_hash_entry *h = entry->d.h;
1801 while (h->root.root.type == bfd_link_hash_indirect
1802 || h->root.root.type == bfd_link_hash_warning)
1803 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1805 if (entry->d.h == h)
1806 return 1;
1808 entry->d.h = h;
1810 /* If we can't find this entry with the new bfd hash, re-insert
1811 it, and get the traversal restarted. */
1812 if (! htab_find (got_entries, entry))
1814 htab_clear_slot (got_entries, entryp);
1815 entryp = htab_find_slot (got_entries, entry, INSERT);
1816 if (! *entryp)
1817 *entryp = entry;
1818 /* Abort the traversal, since the whole table may have
1819 moved, and leave it up to the parent to restart the
1820 process. */
1821 *(htab_t *)p = NULL;
1822 return 0;
1824 /* We might want to decrement the global_gotno count, but it's
1825 either too early or too late for that at this point. */
1828 return 1;
1831 /* Turn indirect got entries in a got_entries table into their final locations. */
1832 static void
1833 score_elf_resolve_final_got_entries (struct score_got_info *g)
1835 htab_t got_entries;
1839 got_entries = g->got_entries;
1841 htab_traverse (got_entries,
1842 score_elf_resolve_final_got_entry,
1843 &got_entries);
1845 while (got_entries == NULL);
1848 /* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. for -r */
1849 static void
1850 score_elf_add_to_rel (bfd *abfd,
1851 bfd_byte *address,
1852 reloc_howto_type *howto,
1853 bfd_signed_vma increment)
1855 bfd_signed_vma addend;
1856 bfd_vma contents;
1857 unsigned long offset;
1858 unsigned long r_type = howto->type;
1859 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
1861 contents = score_bfd_get_32 (abfd, address);
1862 /* Get the (signed) value from the instruction. */
1863 addend = contents & howto->src_mask;
1864 if (addend & ((howto->src_mask + 1) >> 1))
1866 bfd_signed_vma mask;
1868 mask = -1;
1869 mask &= ~howto->src_mask;
1870 addend |= mask;
1872 /* Add in the increment, (which is a byte value). */
1873 switch (r_type)
1875 case R_SCORE_PC19:
1876 offset =
1877 (((contents & howto->src_mask) & 0x3ff0000) >> 6) | ((contents & howto->src_mask) & 0x3ff);
1878 offset += increment;
1879 contents =
1880 (contents & ~howto->
1881 src_mask) | (((offset << 6) & howto->src_mask) & 0x3ff0000) | (offset & 0x3ff);
1882 score_bfd_put_32 (abfd, contents, address);
1883 break;
1884 case R_SCORE_HI16:
1885 break;
1886 case R_SCORE_LO16:
1887 hi16_addend = score_bfd_get_32 (abfd, address - 4);
1888 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
1889 offset = ((((contents >> 16) & 0x3) << 15) | (contents & 0x7fff)) >> 1;
1890 offset = (hi16_offset << 16) | (offset & 0xffff);
1891 uvalue = increment + offset;
1892 hi16_offset = (uvalue >> 16) << 1;
1893 hi16_value = (hi16_addend & (~(howto->dst_mask)))
1894 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
1895 score_bfd_put_32 (abfd, hi16_value, address - 4);
1896 offset = (uvalue & 0xffff) << 1;
1897 contents = (contents & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
1898 score_bfd_put_32 (abfd, contents, address);
1899 break;
1900 case R_SCORE_24:
1901 offset =
1902 (((contents & howto->src_mask) >> 1) & 0x1ff8000) | ((contents & howto->src_mask) & 0x7fff);
1903 offset += increment;
1904 contents =
1905 (contents & ~howto->
1906 src_mask) | (((offset << 1) & howto->src_mask) & 0x3ff0000) | (offset & 0x7fff);
1907 score_bfd_put_32 (abfd, contents, address);
1908 break;
1910 case R_SCORE16_11:
1912 contents = score_bfd_get_16 (abfd, address);
1913 offset = contents & howto->src_mask;
1914 offset += increment;
1915 contents = (contents & ~howto->src_mask) | (offset & howto->src_mask);
1916 score_bfd_put_16 (abfd, contents, address);
1918 break;
1919 case R_SCORE16_PC8:
1921 contents = score_bfd_get_16 (abfd, address);
1922 offset = (contents & howto->src_mask) + ((increment >> 1) & 0x1ff);
1923 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1924 score_bfd_put_16 (abfd, contents, address);
1926 break;
1928 case R_SCORE_BCMP:
1929 contents = score_bfd_get_32 (abfd, address);
1930 offset = (contents & howto->src_mask);
1931 offset <<= howto->rightshift;
1932 offset += increment;
1933 offset >>= howto->rightshift;
1934 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1935 score_bfd_put_32 (abfd, contents, address);
1936 break;
1938 case R_SCORE_IMM30:
1939 contents = score_bfd_get_48 (abfd, address);
1940 offset = (contents & howto->src_mask);
1941 offset <<= howto->rightshift;
1942 offset += increment;
1943 offset >>= howto->rightshift;
1944 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1945 score_bfd_put_48 (abfd, contents, address);
1946 break;
1948 case R_SCORE_IMM32:
1949 contents = score_bfd_get_48 (abfd, address);
1950 offset = (contents & howto->src_mask);
1951 offset += increment;
1952 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1953 score_bfd_put_48 (abfd, contents, address);
1954 break;
1956 default:
1957 addend += increment;
1958 contents = (contents & ~howto->dst_mask) | (addend & howto->dst_mask);
1959 score_bfd_put_32 (abfd, contents, address);
1960 break;
1964 /* Perform a relocation as part of a final link. */
1965 static bfd_reloc_status_type
1966 score_elf_final_link_relocate (reloc_howto_type *howto,
1967 bfd *input_bfd,
1968 bfd *output_bfd,
1969 asection *input_section,
1970 bfd_byte *contents,
1971 Elf_Internal_Rela *rel,
1972 Elf_Internal_Rela *relocs,
1973 bfd_vma symbol,
1974 struct bfd_link_info *info,
1975 const char *sym_name ATTRIBUTE_UNUSED,
1976 int sym_flags ATTRIBUTE_UNUSED,
1977 struct score_elf_link_hash_entry *h,
1978 asection **local_sections,
1979 bfd_boolean gp_disp_p)
1981 unsigned long r_type;
1982 unsigned long r_symndx;
1983 bfd_byte *hit_data = contents + rel->r_offset;
1984 bfd_vma addend;
1985 /* The final GP value to be used for the relocatable, executable, or
1986 shared object file being produced. */
1987 bfd_vma gp = MINUS_ONE;
1988 /* The place (section offset or address) of the storage unit being relocated. */
1989 bfd_vma rel_addr;
1990 /* The value of GP used to create the relocatable object. */
1991 bfd_vma gp0 = MINUS_ONE;
1992 /* The offset into the global offset table at which the address of the relocation entry
1993 symbol, adjusted by the addend, resides during execution. */
1994 bfd_vma g = MINUS_ONE;
1995 /* TRUE if the symbol referred to by this relocation is a local symbol. */
1996 bfd_boolean local_p;
1997 /* The eventual value we will relocate. */
1998 bfd_vma value = symbol;
1999 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue, offset, abs_value = 0;
2002 if (elf_gp (output_bfd) == 0)
2004 struct bfd_link_hash_entry *bh;
2005 asection *o;
2007 bh = bfd_link_hash_lookup (info->hash, "_gp", 0, 0, 1);
2008 if (bh != NULL && bh->type == bfd_link_hash_defined)
2009 elf_gp (output_bfd) = (bh->u.def.value
2010 + bh->u.def.section->output_section->vma
2011 + bh->u.def.section->output_offset);
2012 else if (info->relocatable)
2014 bfd_vma lo = -1;
2016 /* Find the GP-relative section with the lowest offset. */
2017 for (o = output_bfd->sections; o != NULL; o = o->next)
2018 if (o->vma < lo)
2019 lo = o->vma;
2020 /* And calculate GP relative to that. */
2021 elf_gp (output_bfd) = lo + ELF_SCORE_GP_OFFSET (input_bfd);
2023 else
2025 /* If the relocate_section function needs to do a reloc
2026 involving the GP value, it should make a reloc_dangerous
2027 callback to warn that GP is not defined. */
2031 /* Parse the relocation. */
2032 r_symndx = ELF32_R_SYM (rel->r_info);
2033 r_type = ELF32_R_TYPE (rel->r_info);
2034 rel_addr = (input_section->output_section->vma + input_section->output_offset + rel->r_offset);
2035 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, TRUE);
2037 if (r_type == R_SCORE_GOT15)
2039 const Elf_Internal_Rela *relend;
2040 const Elf_Internal_Rela *lo16_rel;
2041 const struct elf_backend_data *bed;
2042 bfd_vma lo_value = 0;
2044 bed = get_elf_backend_data (output_bfd);
2045 relend = relocs + input_section->reloc_count * bed->s->int_rels_per_ext_rel;
2046 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
2047 if ((local_p) && (lo16_rel != NULL))
2049 bfd_vma tmp = 0;
2050 tmp = score_bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
2051 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
2053 addend = lo_value;
2055 /* For score3 R_SCORE_ABS32. */
2056 else if (r_type == R_SCORE_ABS32 || r_type == R_SCORE_REL32)
2058 addend = (bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
2060 else
2062 addend = (score_bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
2065 /* If we haven't already determined the GOT offset, or the GP value,
2066 and we're going to need it, get it now. */
2067 switch (r_type)
2069 case R_SCORE_CALL15:
2070 case R_SCORE_GOT15:
2071 if (!local_p)
2073 g = score_elf_global_got_index (elf_hash_table (info)->dynobj,
2074 (struct elf_link_hash_entry *) h);
2075 if ((! elf_hash_table (info)->dynamic_sections_created
2076 || (info->shared
2077 && (info->symbolic || h->root.dynindx == -1)
2078 && h->root.def_regular)))
2080 /* This is a static link or a -Bsymbolic link. The
2081 symbol is defined locally, or was forced to be local.
2082 We must initialize this entry in the GOT. */
2083 bfd *tmpbfd = elf_hash_table (info)->dynobj;
2084 asection *sgot = score_elf_got_section (tmpbfd, FALSE);
2085 score_bfd_put_32 (tmpbfd, value, sgot->contents + g);
2088 else if (r_type == R_SCORE_GOT15 || r_type == R_SCORE_CALL15)
2090 /* There's no need to create a local GOT entry here; the
2091 calculation for a local GOT15 entry does not involve G. */
2094 else
2096 g = score_elf_local_got_index (output_bfd, input_bfd, info,
2097 symbol + addend, r_symndx, h, r_type);
2098 if (g == MINUS_ONE)
2099 return bfd_reloc_outofrange;
2102 /* Convert GOT indices to actual offsets. */
2103 g = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2104 output_bfd, input_bfd, g);
2105 break;
2107 case R_SCORE_HI16:
2108 case R_SCORE_LO16:
2109 case R_SCORE_GPREL32:
2110 gp0 = _bfd_get_gp_value (input_bfd);
2111 gp = _bfd_get_gp_value (output_bfd);
2112 break;
2114 case R_SCORE_GP15:
2115 gp = _bfd_get_gp_value (output_bfd);
2117 default:
2118 break;
2121 switch (r_type)
2123 case R_SCORE_NONE:
2124 return bfd_reloc_ok;
2126 case R_SCORE_ABS32:
2127 case R_SCORE_REL32:
2128 if ((info->shared
2129 || (elf_hash_table (info)->dynamic_sections_created
2130 && h != NULL
2131 && h->root.def_dynamic
2132 && !h->root.def_regular))
2133 && r_symndx != 0
2134 && (input_section->flags & SEC_ALLOC) != 0)
2136 /* If we're creating a shared library, or this relocation is against a symbol
2137 in a shared library, then we can't know where the symbol will end up.
2138 So, we create a relocation record in the output, and leave the job up
2139 to the dynamic linker. */
2140 value = addend;
2141 if (!score_elf_create_dynamic_relocation (output_bfd, info, rel, h,
2142 symbol, &value,
2143 input_section))
2144 return bfd_reloc_undefined;
2146 else if (r_symndx == 0)
2147 /* r_symndx will be zero only for relocs against symbols
2148 from removed linkonce sections, or sections discarded by
2149 a linker script. */
2150 value = 0;
2151 else
2153 if (r_type != R_SCORE_REL32)
2154 value = symbol + addend;
2155 else
2156 value = addend;
2158 value &= howto->dst_mask;
2159 bfd_put_32 (input_bfd, value, hit_data);
2160 return bfd_reloc_ok;
2162 case R_SCORE_ABS16:
2163 value += addend;
2164 if ((long)value > 0x7fff || (long)value < -0x8000)
2165 return bfd_reloc_overflow;
2166 score_bfd_put_16 (input_bfd, value, hit_data);
2167 return bfd_reloc_ok;
2169 case R_SCORE_24:
2170 addend = score_bfd_get_32 (input_bfd, hit_data);
2171 offset = (((addend & howto->src_mask) >> 1) & 0x1ff8000) | ((addend & howto->src_mask) & 0x7fff);
2172 if ((offset & 0x1000000) != 0)
2173 offset |= 0xfe000000;
2174 value += offset;
2175 abs_value = abs (value - rel_addr);
2176 if ((abs_value & 0xfe000000) != 0)
2177 return bfd_reloc_overflow;
2178 addend = (addend & ~howto->src_mask)
2179 | (((value << 1) & howto->src_mask) & 0x3ff0000) | (value & 0x7fff);
2180 score_bfd_put_32 (input_bfd, addend, hit_data);
2181 return bfd_reloc_ok;
2183 /* signed imm32. */
2184 case R_SCORE_IMM30:
2186 int not_word_align_p = 0;
2187 bfd_vma imm_offset = 0;
2188 addend = score_bfd_get_48 (input_bfd, hit_data);
2189 imm_offset = ((addend >> 7) & 0xff)
2190 | (((addend >> 16) & 0x7fff) << 8)
2191 | (((addend >> 32) & 0x7f) << 23);
2192 imm_offset <<= howto->rightshift;
2193 value += imm_offset;
2194 value &= 0xffffffff;
2196 /* Check lw48/sw48 rd, value/label word align. */
2197 if ((value & 0x3) != 0)
2198 not_word_align_p = 1;
2200 value >>= howto->rightshift;
2201 addend = (addend & ~howto->src_mask)
2202 | (((value & 0xff) >> 0) << 7)
2203 | (((value & 0x7fff00) >> 8) << 16)
2204 | (((value & 0x3f800000) >> 23) << 32);
2205 score_bfd_put_48 (input_bfd, addend, hit_data);
2206 if (not_word_align_p)
2207 return bfd_reloc_other;
2208 else
2209 return bfd_reloc_ok;
2212 case R_SCORE_IMM32:
2214 bfd_vma imm_offset = 0;
2215 addend = score_bfd_get_48 (input_bfd, hit_data);
2216 imm_offset = ((addend >> 5) & 0x3ff)
2217 | (((addend >> 16) & 0x7fff) << 10)
2218 | (((addend >> 32) & 0x7f) << 25);
2219 value += imm_offset;
2220 value &= 0xffffffff;
2221 addend = (addend & ~howto->src_mask)
2222 | ((value & 0x3ff) << 5)
2223 | (((value >> 10) & 0x7fff) << 16)
2224 | (((value >> 25) & 0x7f) << 32);
2225 score_bfd_put_48 (input_bfd, addend, hit_data);
2226 return bfd_reloc_ok;
2229 case R_SCORE_PC19:
2230 addend = score_bfd_get_32 (input_bfd, hit_data);
2231 offset = (((addend & howto->src_mask) & 0x3ff0000) >> 6) | ((addend & howto->src_mask) & 0x3ff);
2232 if ((offset & 0x80000) != 0)
2233 offset |= 0xfff00000;
2234 abs_value = value = value - rel_addr + offset;
2235 /* exceed 20 bit : overflow. */
2236 if ((abs_value & 0x80000000) == 0x80000000)
2237 abs_value = 0xffffffff - value + 1;
2238 if ((abs_value & 0xfff80000) != 0)
2239 return bfd_reloc_overflow;
2240 addend = (addend & ~howto->src_mask)
2241 | (((value << 6) & howto->src_mask) & 0x3ff0000) | (value & 0x3ff);
2242 score_bfd_put_32 (input_bfd, addend, hit_data);
2243 return bfd_reloc_ok;
2245 case R_SCORE16_11:
2246 addend = score_bfd_get_16 (input_bfd, hit_data);
2247 offset = addend & howto->src_mask;
2248 if ((offset & 0x800) != 0) /* Offset is negative. */
2249 offset |= 0xfffff000;
2250 value += offset;
2251 abs_value = abs (value - rel_addr);
2252 if ((abs_value & 0xfffff000) != 0)
2253 return bfd_reloc_overflow;
2254 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2255 score_bfd_put_16 (input_bfd, addend, hit_data);
2256 return bfd_reloc_ok;
2258 case R_SCORE16_PC8:
2259 addend = score_bfd_get_16 (input_bfd, hit_data);
2260 offset = (addend & howto->src_mask) << 1;
2261 if ((offset & 0x200) != 0) /* Offset is negative. */
2262 offset |= 0xfffffe00;
2263 abs_value = value = value - rel_addr + offset;
2264 /* Sign bit + exceed 9 bit. */
2265 if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
2266 return bfd_reloc_overflow;
2267 value >>= 1;
2268 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2269 score_bfd_put_16 (input_bfd, addend, hit_data);
2270 return bfd_reloc_ok;
2272 case R_SCORE_BCMP:
2273 addend = score_bfd_get_32 (input_bfd, hit_data);
2274 offset = (addend & howto->src_mask) << howto->rightshift;
2275 if ((offset & 0x200) != 0) /* Offset is negative. */
2276 offset |= 0xfffffe00;
2277 value = value - rel_addr + offset;
2278 /* Sign bit + exceed 9 bit. */
2279 if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
2280 return bfd_reloc_overflow;
2281 value >>= howto->rightshift;
2282 addend = (addend & ~howto->src_mask)
2283 | (value & 0x1)
2284 | (((value >> 1) & 0x7) << 7)
2285 | (((value >> 4) & 0x1f) << 21);
2286 score_bfd_put_32 (input_bfd, addend, hit_data);
2287 return bfd_reloc_ok;
2289 case R_SCORE_HI16:
2290 return bfd_reloc_ok;
2292 case R_SCORE_LO16:
2293 hi16_addend = score_bfd_get_32 (input_bfd, hit_data - 4);
2294 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2295 addend = score_bfd_get_32 (input_bfd, hit_data);
2296 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
2297 offset = (hi16_offset << 16) | (offset & 0xffff);
2299 if (!gp_disp_p)
2300 uvalue = value + offset;
2301 else
2302 uvalue = offset + gp - rel_addr + 4;
2304 hi16_offset = (uvalue >> 16) << 1;
2305 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2306 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2307 score_bfd_put_32 (input_bfd, hi16_value, hit_data - 4);
2308 offset = (uvalue & 0xffff) << 1;
2309 value = (addend & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2310 score_bfd_put_32 (input_bfd, value, hit_data);
2311 return bfd_reloc_ok;
2313 case R_SCORE_GP15:
2314 addend = score_bfd_get_32 (input_bfd, hit_data);
2315 offset = addend & 0x7fff;
2316 if ((offset & 0x4000) == 0x4000)
2317 offset |= 0xffffc000;
2318 value = value + offset - gp;
2319 if (((value & 0xffffc000) != 0) && ((value & 0xffffc000) != 0xffffc000))
2320 return bfd_reloc_overflow;
2321 value = (addend & ~howto->src_mask) | (value & howto->src_mask);
2322 score_bfd_put_32 (input_bfd, value, hit_data);
2323 return bfd_reloc_ok;
2325 case R_SCORE_GOT15:
2326 case R_SCORE_CALL15:
2327 if (local_p)
2329 bfd_boolean forced;
2331 /* The special case is when the symbol is forced to be local. We need the
2332 full address in the GOT since no R_SCORE_GOT_LO16 relocation follows. */
2333 forced = ! score_elf_local_relocation_p (input_bfd, rel,
2334 local_sections, FALSE);
2335 value = score_elf_got16_entry (output_bfd, input_bfd, info,
2336 symbol + addend, forced);
2337 if (value == MINUS_ONE)
2338 return bfd_reloc_outofrange;
2339 value = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2340 output_bfd, input_bfd, value);
2342 else
2344 value = g;
2347 if ((long) value > 0x3fff || (long) value < -0x4000)
2348 return bfd_reloc_overflow;
2350 addend = score_bfd_get_32 (input_bfd, hit_data);
2351 value = (addend & ~howto->dst_mask) | (value & howto->dst_mask);
2352 score_bfd_put_32 (input_bfd, value, hit_data);
2353 return bfd_reloc_ok;
2355 case R_SCORE_GPREL32:
2356 value = (addend + symbol - gp);
2357 value &= howto->dst_mask;
2358 score_bfd_put_32 (input_bfd, value, hit_data);
2359 return bfd_reloc_ok;
2361 case R_SCORE_GOT_LO16:
2362 addend = score_bfd_get_32 (input_bfd, hit_data);
2363 value = (((addend >> 16) & 0x3) << 14) | ((addend & 0x7fff) >> 1);
2364 value += symbol;
2365 value = (addend & (~(howto->dst_mask))) | ((value & 0x3fff) << 1)
2366 | (((value >> 14) & 0x3) << 16);
2368 score_bfd_put_32 (input_bfd, value, hit_data);
2369 return bfd_reloc_ok;
2371 case R_SCORE_DUMMY_HI16:
2372 return bfd_reloc_ok;
2374 case R_SCORE_GNU_VTINHERIT:
2375 case R_SCORE_GNU_VTENTRY:
2376 /* We don't do anything with these at present. */
2377 return bfd_reloc_continue;
2379 default:
2380 return bfd_reloc_notsupported;
2384 /* Score backend functions. */
2385 static void
2386 s3_bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
2387 arelent *bfd_reloc,
2388 Elf_Internal_Rela *elf_reloc)
2390 unsigned int r_type;
2392 r_type = ELF32_R_TYPE (elf_reloc->r_info);
2393 if (r_type >= ARRAY_SIZE (elf32_score_howto_table))
2394 bfd_reloc->howto = NULL;
2395 else
2396 bfd_reloc->howto = &elf32_score_howto_table[r_type];
2399 /* Relocate an score ELF section. */
2400 static bfd_boolean
2401 s3_bfd_score_elf_relocate_section (bfd *output_bfd,
2402 struct bfd_link_info *info,
2403 bfd *input_bfd,
2404 asection *input_section,
2405 bfd_byte *contents,
2406 Elf_Internal_Rela *relocs,
2407 Elf_Internal_Sym *local_syms,
2408 asection **local_sections)
2410 Elf_Internal_Shdr *symtab_hdr;
2411 struct elf_link_hash_entry **sym_hashes;
2412 Elf_Internal_Rela *rel;
2413 Elf_Internal_Rela *relend;
2414 const char *name;
2415 unsigned long offset;
2416 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
2417 size_t extsymoff;
2418 bfd_boolean gp_disp_p = FALSE;
2420 /* Sort dynsym. */
2421 if (elf_hash_table (info)->dynamic_sections_created)
2423 bfd_size_type dynsecsymcount = 0;
2424 if (info->shared)
2426 asection * p;
2427 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
2429 for (p = output_bfd->sections; p ; p = p->next)
2430 if ((p->flags & SEC_EXCLUDE) == 0
2431 && (p->flags & SEC_ALLOC) != 0
2432 && !(*bed->elf_backend_omit_section_dynsym) (output_bfd, info, p))
2433 ++ dynsecsymcount;
2436 if (!score_elf_sort_hash_table (info, dynsecsymcount + 1))
2437 return FALSE;
2440 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2441 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
2442 sym_hashes = elf_sym_hashes (input_bfd);
2443 rel = relocs;
2444 relend = relocs + input_section->reloc_count;
2445 for (; rel < relend; rel++)
2447 int r_type;
2448 reloc_howto_type *howto;
2449 unsigned long r_symndx;
2450 Elf_Internal_Sym *sym;
2451 asection *sec;
2452 struct score_elf_link_hash_entry *h;
2453 bfd_vma relocation = 0;
2454 bfd_reloc_status_type r;
2455 arelent bfd_reloc;
2457 r_symndx = ELF32_R_SYM (rel->r_info);
2458 r_type = ELF32_R_TYPE (rel->r_info);
2460 s3_bfd_score_info_to_howto (input_bfd, &bfd_reloc, (Elf_Internal_Rela *) rel);
2461 howto = bfd_reloc.howto;
2463 h = NULL;
2464 sym = NULL;
2465 sec = NULL;
2467 if (r_symndx < extsymoff)
2469 sym = local_syms + r_symndx;
2470 sec = local_sections[r_symndx];
2471 relocation = (sec->output_section->vma
2472 + sec->output_offset
2473 + sym->st_value);
2474 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
2476 if (!info->relocatable
2477 && (sec->flags & SEC_MERGE)
2478 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2480 asection *msec;
2481 bfd_vma addend, value;
2483 switch (r_type)
2485 case R_SCORE_HI16:
2486 break;
2487 case R_SCORE_LO16:
2488 hi16_addend = score_bfd_get_32 (input_bfd, contents + rel->r_offset - 4);
2489 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2490 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2491 offset = ((((value >> 16) & 0x3) << 15) | (value & 0x7fff)) >> 1;
2492 addend = (hi16_offset << 16) | (offset & 0xffff);
2493 msec = sec;
2494 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2495 addend -= relocation;
2496 addend += msec->output_section->vma + msec->output_offset;
2497 uvalue = addend;
2498 hi16_offset = (uvalue >> 16) << 1;
2499 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2500 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2501 score_bfd_put_32 (input_bfd, hi16_value, contents + rel->r_offset - 4);
2502 offset = (uvalue & 0xffff) << 1;
2503 value = (value & (~(howto->dst_mask)))
2504 | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2505 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2506 break;
2508 case R_SCORE_IMM32:
2510 value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
2511 addend = ((value >> 5) & 0x3ff)
2512 | (((value >> 16) & 0x7fff) << 10)
2513 | (((value >> 32) & 0x7f) << 25);
2514 msec = sec;
2515 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2516 addend -= relocation;
2517 addend += msec->output_section->vma + msec->output_offset;
2518 addend &= 0xffffffff;
2519 value = (value & ~howto->src_mask)
2520 | ((addend & 0x3ff) << 5)
2521 | (((addend >> 10) & 0x7fff) << 16)
2522 | (((addend >> 25) & 0x7f) << 32);
2523 score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
2524 break;
2527 case R_SCORE_IMM30:
2529 int not_word_align_p = 0;
2530 value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
2531 addend = ((value >> 7) & 0xff)
2532 | (((value >> 16) & 0x7fff) << 8)
2533 | (((value >> 32) & 0x7f) << 23);
2534 addend <<= howto->rightshift;
2535 msec = sec;
2536 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2537 addend -= relocation;
2538 addend += msec->output_section->vma + msec->output_offset;
2539 addend &= 0xffffffff;
2541 /* Check lw48/sw48 rd, value/label word align. */
2542 if ((addend & 0x3) != 0)
2543 not_word_align_p = 1;
2545 addend >>= howto->rightshift;
2546 value = (value & ~howto->src_mask)
2547 | (((addend & 0xff) >> 0) << 7)
2548 | (((addend & 0x7fff00) >> 8) << 16)
2549 | (((addend & 0x3f800000) >> 23) << 32);
2550 score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
2552 if (not_word_align_p)
2553 return bfd_reloc_other;
2554 else
2555 break;
2558 case R_SCORE_GOT_LO16:
2559 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2560 addend = (((value >> 16) & 0x3) << 14) | ((value & 0x7fff) >> 1);
2561 msec = sec;
2562 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2563 addend += msec->output_section->vma + msec->output_offset;
2564 value = (value & (~(howto->dst_mask))) | ((addend & 0x3fff) << 1)
2565 | (((addend >> 14) & 0x3) << 16);
2567 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2568 break;
2570 case R_SCORE_ABS32:
2571 case R_SCORE_REL32:
2572 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2573 /* Get the (signed) value from the instruction. */
2574 addend = value & howto->src_mask;
2575 if (addend & ((howto->src_mask + 1) >> 1))
2577 bfd_signed_vma mask;
2579 mask = -1;
2580 mask &= ~howto->src_mask;
2581 addend |= mask;
2583 msec = sec;
2584 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2585 addend += msec->output_section->vma + msec->output_offset;
2586 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2587 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2588 break;
2590 default:
2591 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2592 /* Get the (signed) value from the instruction. */
2593 addend = value & howto->src_mask;
2594 if (addend & ((howto->src_mask + 1) >> 1))
2596 bfd_signed_vma mask;
2598 mask = -1;
2599 mask &= ~howto->src_mask;
2600 addend |= mask;
2602 msec = sec;
2603 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2604 addend += msec->output_section->vma + msec->output_offset;
2605 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2606 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2607 break;
2611 else
2613 /* For global symbols we look up the symbol in the hash-table. */
2614 h = ((struct score_elf_link_hash_entry *)
2615 elf_sym_hashes (input_bfd) [r_symndx - extsymoff]);
2616 /* Find the real hash-table entry for this symbol. */
2617 while (h->root.root.type == bfd_link_hash_indirect
2618 || h->root.root.type == bfd_link_hash_warning)
2619 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
2621 /* Record the name of this symbol, for our caller. */
2622 name = h->root.root.root.string;
2624 /* See if this is the special GP_DISP_LABEL symbol. Note that such a
2625 symbol must always be a global symbol. */
2626 if (strcmp (name, GP_DISP_LABEL) == 0)
2628 /* Relocations against GP_DISP_LABEL are permitted only with
2629 R_SCORE_HI16 and R_SCORE_LO16 relocations. */
2630 if (r_type != R_SCORE_HI16 && r_type != R_SCORE_LO16)
2631 return bfd_reloc_notsupported;
2633 gp_disp_p = TRUE;
2636 /* If this symbol is defined, calculate its address. Note that
2637 GP_DISP_LABEL is a magic symbol, always implicitly defined by the
2638 linker, so it's inappropriate to check to see whether or not
2639 its defined. */
2640 else if ((h->root.root.type == bfd_link_hash_defined
2641 || h->root.root.type == bfd_link_hash_defweak)
2642 && h->root.root.u.def.section)
2644 sec = h->root.root.u.def.section;
2645 if (sec->output_section)
2646 relocation = (h->root.root.u.def.value
2647 + sec->output_section->vma
2648 + sec->output_offset);
2649 else
2651 relocation = h->root.root.u.def.value;
2654 else if (h->root.root.type == bfd_link_hash_undefweak)
2655 /* We allow relocations against undefined weak symbols, giving
2656 it the value zero, so that you can undefined weak functions
2657 and check to see if they exist by looking at their addresses. */
2658 relocation = 0;
2659 else if (info->unresolved_syms_in_objects == RM_IGNORE
2660 && ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
2661 relocation = 0;
2662 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
2664 /* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol
2665 in s3_bfd_score_elf_create_dynamic_sections. Otherwise, we should define
2666 the symbol with a value of 0. */
2667 BFD_ASSERT (! info->shared);
2668 BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL);
2669 relocation = 0;
2671 else if (!info->relocatable)
2673 if (! ((*info->callbacks->undefined_symbol)
2674 (info, h->root.root.root.string, input_bfd,
2675 input_section, rel->r_offset,
2676 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
2677 || ELF_ST_VISIBILITY (h->root.other))))
2678 return bfd_reloc_undefined;
2679 relocation = 0;
2683 if (sec != NULL && elf_discarded_section (sec))
2685 /* For relocs against symbols from removed linkonce sections,
2686 or sections discarded by a linker script, we just want the
2687 section contents zeroed. Avoid any special processing. */
2688 _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
2689 rel->r_info = 0;
2690 rel->r_addend = 0;
2691 continue;
2694 if (info->relocatable)
2696 /* This is a relocatable link. We don't have to change
2697 anything, unless the reloc is against a section symbol,
2698 in which case we have to adjust according to where the
2699 section symbol winds up in the output section. */
2700 if (r_symndx < symtab_hdr->sh_info)
2702 sym = local_syms + r_symndx;
2703 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2705 sec = local_sections[r_symndx];
2706 score_elf_add_to_rel (input_bfd, contents + rel->r_offset,
2707 howto, (bfd_signed_vma) (sec->output_offset + sym->st_value));
2710 continue;
2713 /* This is a final link. */
2714 r = score_elf_final_link_relocate (howto, input_bfd, output_bfd,
2715 input_section, contents, rel, relocs,
2716 relocation, info, name,
2717 (h ? ELF_ST_TYPE ((unsigned int)h->root.root.type) :
2718 ELF_ST_TYPE ((unsigned int)sym->st_info)), h, local_sections,
2719 gp_disp_p);
2721 if (r != bfd_reloc_ok)
2723 const char *msg = (const char *)0;
2725 switch (r)
2727 case bfd_reloc_overflow:
2728 /* If the overflowing reloc was to an undefined symbol,
2729 we have already printed one error message and there
2730 is no point complaining again. */
2731 if (((!h) || (h->root.root.type != bfd_link_hash_undefined))
2732 && (!((*info->callbacks->reloc_overflow)
2733 (info, NULL, name, howto->name, (bfd_vma) 0,
2734 input_bfd, input_section, rel->r_offset))))
2735 return FALSE;
2736 break;
2737 case bfd_reloc_undefined:
2738 if (!((*info->callbacks->undefined_symbol)
2739 (info, name, input_bfd, input_section, rel->r_offset, TRUE)))
2740 return FALSE;
2741 break;
2743 case bfd_reloc_outofrange:
2744 msg = _("internal error: out of range error");
2745 goto common_error;
2747 case bfd_reloc_notsupported:
2748 msg = _("internal error: unsupported relocation error");
2749 goto common_error;
2751 case bfd_reloc_dangerous:
2752 msg = _("internal error: dangerous error");
2753 goto common_error;
2755 /* Use bfd_reloc_other to check lw48, sw48 word align. */
2756 case bfd_reloc_other:
2757 msg = _("address not word align");
2758 goto common_error;
2760 default:
2761 msg = _("internal error: unknown error");
2762 /* fall through */
2764 common_error:
2765 if (!((*info->callbacks->warning)
2766 (info, msg, name, input_bfd, input_section, rel->r_offset)))
2767 return FALSE;
2768 break;
2773 return TRUE;
2776 /* Look through the relocs for a section during the first phase, and
2777 allocate space in the global offset table. */
2778 static bfd_boolean
2779 s3_bfd_score_elf_check_relocs (bfd *abfd,
2780 struct bfd_link_info *info,
2781 asection *sec,
2782 const Elf_Internal_Rela *relocs)
2784 const char *name;
2785 bfd *dynobj;
2786 Elf_Internal_Shdr *symtab_hdr;
2787 struct elf_link_hash_entry **sym_hashes;
2788 struct score_got_info *g;
2789 size_t extsymoff;
2790 const Elf_Internal_Rela *rel;
2791 const Elf_Internal_Rela *rel_end;
2792 asection *sgot;
2793 asection *sreloc;
2794 const struct elf_backend_data *bed;
2796 if (info->relocatable)
2797 return TRUE;
2799 dynobj = elf_hash_table (info)->dynobj;
2800 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2801 sym_hashes = elf_sym_hashes (abfd);
2802 extsymoff = (elf_bad_symtab (abfd)) ? 0 : symtab_hdr->sh_info;
2804 name = bfd_get_section_name (abfd, sec);
2806 if (dynobj == NULL)
2808 sgot = NULL;
2809 g = NULL;
2811 else
2813 sgot = score_elf_got_section (dynobj, FALSE);
2814 if (sgot == NULL)
2815 g = NULL;
2816 else
2818 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
2819 g = score_elf_section_data (sgot)->u.got_info;
2820 BFD_ASSERT (g != NULL);
2824 sreloc = NULL;
2825 bed = get_elf_backend_data (abfd);
2826 rel_end = relocs + sec->reloc_count * bed->s->int_rels_per_ext_rel;
2827 for (rel = relocs; rel < rel_end; ++rel)
2829 unsigned long r_symndx;
2830 unsigned int r_type;
2831 struct elf_link_hash_entry *h;
2833 r_symndx = ELF32_R_SYM (rel->r_info);
2834 r_type = ELF32_R_TYPE (rel->r_info);
2836 if (r_symndx < extsymoff)
2838 h = NULL;
2840 else if (r_symndx >= extsymoff + NUM_SHDR_ENTRIES (symtab_hdr))
2842 (*_bfd_error_handler) (_("%s: Malformed reloc detected for section %s"), abfd, name);
2843 bfd_set_error (bfd_error_bad_value);
2844 return FALSE;
2846 else
2848 h = sym_hashes[r_symndx - extsymoff];
2850 /* This may be an indirect symbol created because of a version. */
2851 if (h != NULL)
2853 while (h->root.type == bfd_link_hash_indirect)
2854 h = (struct elf_link_hash_entry *)h->root.u.i.link;
2858 /* Some relocs require a global offset table. */
2859 if (dynobj == NULL || sgot == NULL)
2861 switch (r_type)
2863 case R_SCORE_GOT15:
2864 case R_SCORE_CALL15:
2865 if (dynobj == NULL)
2866 elf_hash_table (info)->dynobj = dynobj = abfd;
2867 if (!score_elf_create_got_section (dynobj, info, FALSE))
2868 return FALSE;
2869 g = score_elf_got_info (dynobj, &sgot);
2870 break;
2871 case R_SCORE_ABS32:
2872 case R_SCORE_REL32:
2873 if (dynobj == NULL && (info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
2874 elf_hash_table (info)->dynobj = dynobj = abfd;
2875 break;
2876 default:
2877 break;
2881 if (!h && (r_type == R_SCORE_GOT_LO16))
2883 if (! score_elf_record_local_got_symbol (abfd, r_symndx, rel->r_addend, g))
2884 return FALSE;
2887 switch (r_type)
2889 case R_SCORE_CALL15:
2890 if (h == NULL)
2892 (*_bfd_error_handler)
2893 (_("%B: CALL15 reloc at 0x%lx not against global symbol"),
2894 abfd, (unsigned long) rel->r_offset);
2895 bfd_set_error (bfd_error_bad_value);
2896 return FALSE;
2898 else
2900 /* This symbol requires a global offset table entry. */
2901 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2902 return FALSE;
2904 /* We need a stub, not a plt entry for the undefined function. But we record
2905 it as if it needs plt. See _bfd_elf_adjust_dynamic_symbol. */
2906 h->needs_plt = 1;
2907 h->type = STT_FUNC;
2909 break;
2910 case R_SCORE_GOT15:
2911 if (h && ! score_elf_record_global_got_symbol (h, abfd, info, g))
2912 return FALSE;
2913 break;
2914 case R_SCORE_ABS32:
2915 case R_SCORE_REL32:
2916 if ((info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
2918 if (sreloc == NULL)
2920 sreloc = score_elf_rel_dyn_section (dynobj, TRUE);
2921 if (sreloc == NULL)
2922 return FALSE;
2924 #define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
2925 if (info->shared)
2927 /* When creating a shared object, we must copy these reloc types into
2928 the output file as R_SCORE_REL32 relocs. We make room for this reloc
2929 in the .rel.dyn reloc section. */
2930 score_elf_allocate_dynamic_relocations (dynobj, 1);
2931 if ((sec->flags & SCORE_READONLY_SECTION)
2932 == SCORE_READONLY_SECTION)
2933 /* We tell the dynamic linker that there are
2934 relocations against the text segment. */
2935 info->flags |= DF_TEXTREL;
2937 else
2939 struct score_elf_link_hash_entry *hscore;
2941 /* We only need to copy this reloc if the symbol is
2942 defined in a dynamic object. */
2943 hscore = (struct score_elf_link_hash_entry *)h;
2944 ++hscore->possibly_dynamic_relocs;
2945 if ((sec->flags & SCORE_READONLY_SECTION)
2946 == SCORE_READONLY_SECTION)
2947 /* We need it to tell the dynamic linker if there
2948 are relocations against the text segment. */
2949 hscore->readonly_reloc = TRUE;
2952 /* Even though we don't directly need a GOT entry for this symbol,
2953 a symbol must have a dynamic symbol table index greater that
2954 DT_SCORE_GOTSYM if there are dynamic relocations against it. */
2955 if (h != NULL)
2957 if (dynobj == NULL)
2958 elf_hash_table (info)->dynobj = dynobj = abfd;
2959 if (! score_elf_create_got_section (dynobj, info, TRUE))
2960 return FALSE;
2961 g = score_elf_got_info (dynobj, &sgot);
2962 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2963 return FALSE;
2966 break;
2968 /* This relocation describes the C++ object vtable hierarchy.
2969 Reconstruct it for later use during GC. */
2970 case R_SCORE_GNU_VTINHERIT:
2971 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2972 return FALSE;
2973 break;
2975 /* This relocation describes which C++ vtable entries are actually
2976 used. Record for later use during GC. */
2977 case R_SCORE_GNU_VTENTRY:
2978 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
2979 return FALSE;
2980 break;
2981 default:
2982 break;
2985 /* We must not create a stub for a symbol that has relocations
2986 related to taking the function's address. */
2987 switch (r_type)
2989 default:
2990 if (h != NULL)
2992 struct score_elf_link_hash_entry *sh;
2994 sh = (struct score_elf_link_hash_entry *) h;
2995 sh->no_fn_stub = TRUE;
2997 break;
2998 case R_SCORE_CALL15:
2999 break;
3003 return TRUE;
3006 static bfd_boolean
3007 s3_bfd_score_elf_add_symbol_hook (bfd *abfd,
3008 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3009 Elf_Internal_Sym *sym,
3010 const char **namep ATTRIBUTE_UNUSED,
3011 flagword *flagsp ATTRIBUTE_UNUSED,
3012 asection **secp,
3013 bfd_vma *valp)
3015 switch (sym->st_shndx)
3017 case SHN_COMMON:
3018 if (sym->st_size > elf_gp_size (abfd))
3019 break;
3020 /* Fall through. */
3021 case SHN_SCORE_SCOMMON:
3022 *secp = bfd_make_section_old_way (abfd, ".scommon");
3023 (*secp)->flags |= SEC_IS_COMMON;
3024 *valp = sym->st_size;
3025 break;
3028 return TRUE;
3031 static void
3032 s3_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
3034 elf_symbol_type *elfsym;
3036 elfsym = (elf_symbol_type *) asym;
3037 switch (elfsym->internal_elf_sym.st_shndx)
3039 case SHN_COMMON:
3040 if (asym->value > elf_gp_size (abfd))
3041 break;
3042 /* Fall through. */
3043 case SHN_SCORE_SCOMMON:
3044 if (score_elf_scom_section.name == NULL)
3046 /* Initialize the small common section. */
3047 score_elf_scom_section.name = ".scommon";
3048 score_elf_scom_section.flags = SEC_IS_COMMON;
3049 score_elf_scom_section.output_section = &score_elf_scom_section;
3050 score_elf_scom_section.symbol = &score_elf_scom_symbol;
3051 score_elf_scom_section.symbol_ptr_ptr = &score_elf_scom_symbol_ptr;
3052 score_elf_scom_symbol.name = ".scommon";
3053 score_elf_scom_symbol.flags = BSF_SECTION_SYM;
3054 score_elf_scom_symbol.section = &score_elf_scom_section;
3055 score_elf_scom_symbol_ptr = &score_elf_scom_symbol;
3057 asym->section = &score_elf_scom_section;
3058 asym->value = elfsym->internal_elf_sym.st_size;
3059 break;
3063 static int
3064 s3_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3065 const char *name ATTRIBUTE_UNUSED,
3066 Elf_Internal_Sym *sym,
3067 asection *input_sec,
3068 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3070 /* If we see a common symbol, which implies a relocatable link, then
3071 if a symbol was small common in an input file, mark it as small
3072 common in the output file. */
3073 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3074 sym->st_shndx = SHN_SCORE_SCOMMON;
3076 return 1;
3079 static bfd_boolean
3080 s3_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3081 asection *sec,
3082 int *retval)
3084 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3086 *retval = SHN_SCORE_SCOMMON;
3087 return TRUE;
3090 return FALSE;
3093 /* Adjust a symbol defined by a dynamic object and referenced by a
3094 regular object. The current definition is in some section of the
3095 dynamic object, but we're not including those sections. We have to
3096 change the definition to something the rest of the link can understand. */
3097 static bfd_boolean
3098 s3_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3099 struct elf_link_hash_entry *h)
3101 bfd *dynobj;
3102 struct score_elf_link_hash_entry *hscore;
3103 asection *s;
3105 dynobj = elf_hash_table (info)->dynobj;
3107 /* Make sure we know what is going on here. */
3108 BFD_ASSERT (dynobj != NULL
3109 && (h->needs_plt
3110 || h->u.weakdef != NULL
3111 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
3113 /* If this symbol is defined in a dynamic object, we need to copy
3114 any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output
3115 file. */
3116 hscore = (struct score_elf_link_hash_entry *)h;
3117 if (!info->relocatable
3118 && hscore->possibly_dynamic_relocs != 0
3119 && (h->root.type == bfd_link_hash_defweak || !h->def_regular))
3121 score_elf_allocate_dynamic_relocations (dynobj, hscore->possibly_dynamic_relocs);
3122 if (hscore->readonly_reloc)
3123 /* We tell the dynamic linker that there are relocations
3124 against the text segment. */
3125 info->flags |= DF_TEXTREL;
3128 /* For a function, create a stub, if allowed. */
3129 if (!hscore->no_fn_stub && h->needs_plt)
3131 if (!elf_hash_table (info)->dynamic_sections_created)
3132 return TRUE;
3134 /* If this symbol is not defined in a regular file, then set
3135 the symbol to the stub location. This is required to make
3136 function pointers compare as equal between the normal
3137 executable and the shared library. */
3138 if (!h->def_regular)
3140 /* We need .stub section. */
3141 s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
3142 BFD_ASSERT (s != NULL);
3144 h->root.u.def.section = s;
3145 h->root.u.def.value = s->size;
3147 /* XXX Write this stub address somewhere. */
3148 h->plt.offset = s->size;
3150 /* Make room for this stub code. */
3151 s->size += SCORE_FUNCTION_STUB_SIZE;
3153 /* The last half word of the stub will be filled with the index
3154 of this symbol in .dynsym section. */
3155 return TRUE;
3158 else if ((h->type == STT_FUNC) && !h->needs_plt)
3160 /* This will set the entry for this symbol in the GOT to 0, and
3161 the dynamic linker will take care of this. */
3162 h->root.u.def.value = 0;
3163 return TRUE;
3166 /* If this is a weak symbol, and there is a real definition, the
3167 processor independent code will have arranged for us to see the
3168 real definition first, and we can just use the same value. */
3169 if (h->u.weakdef != NULL)
3171 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3172 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3173 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3174 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3175 return TRUE;
3178 /* This is a reference to a symbol defined by a dynamic object which
3179 is not a function. */
3180 return TRUE;
3183 /* This function is called after all the input files have been read,
3184 and the input sections have been assigned to output sections. */
3185 static bfd_boolean
3186 s3_bfd_score_elf_always_size_sections (bfd *output_bfd,
3187 struct bfd_link_info *info)
3189 bfd *dynobj;
3190 asection *s;
3191 struct score_got_info *g;
3192 int i;
3193 bfd_size_type loadable_size = 0;
3194 bfd_size_type local_gotno;
3195 bfd *sub;
3197 dynobj = elf_hash_table (info)->dynobj;
3198 if (dynobj == NULL)
3199 /* Relocatable links don't have it. */
3200 return TRUE;
3202 g = score_elf_got_info (dynobj, &s);
3203 if (s == NULL)
3204 return TRUE;
3206 /* Calculate the total loadable size of the output. That will give us the
3207 maximum number of GOT_PAGE entries required. */
3208 for (sub = info->input_bfds; sub; sub = sub->link_next)
3210 asection *subsection;
3212 for (subsection = sub->sections;
3213 subsection;
3214 subsection = subsection->next)
3216 if ((subsection->flags & SEC_ALLOC) == 0)
3217 continue;
3218 loadable_size += ((subsection->size + 0xf)
3219 &~ (bfd_size_type) 0xf);
3223 /* There has to be a global GOT entry for every symbol with
3224 a dynamic symbol table index of DT_SCORE_GOTSYM or
3225 higher. Therefore, it make sense to put those symbols
3226 that need GOT entries at the end of the symbol table. We
3227 do that here. */
3228 if (! score_elf_sort_hash_table (info, 1))
3229 return FALSE;
3231 if (g->global_gotsym != NULL)
3232 i = elf_hash_table (info)->dynsymcount - g->global_gotsym->dynindx;
3233 else
3234 /* If there are no global symbols, or none requiring
3235 relocations, then GLOBAL_GOTSYM will be NULL. */
3236 i = 0;
3238 /* In the worst case, we'll get one stub per dynamic symbol. */
3239 loadable_size += SCORE_FUNCTION_STUB_SIZE * i;
3241 /* Assume there are two loadable segments consisting of
3242 contiguous sections. Is 5 enough? */
3243 local_gotno = (loadable_size >> 16) + 5;
3245 g->local_gotno += local_gotno;
3246 s->size += g->local_gotno * SCORE_ELF_GOT_SIZE (output_bfd);
3248 g->global_gotno = i;
3249 s->size += i * SCORE_ELF_GOT_SIZE (output_bfd);
3251 score_elf_resolve_final_got_entries (g);
3253 if (s->size > SCORE_ELF_GOT_MAX_SIZE (output_bfd))
3255 /* Fixme. Error message or Warning message should be issued here. */
3258 return TRUE;
3261 /* Set the sizes of the dynamic sections. */
3262 static bfd_boolean
3263 s3_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3265 bfd *dynobj;
3266 asection *s;
3267 bfd_boolean reltext;
3269 dynobj = elf_hash_table (info)->dynobj;
3270 BFD_ASSERT (dynobj != NULL);
3272 if (elf_hash_table (info)->dynamic_sections_created)
3274 /* Set the contents of the .interp section to the interpreter. */
3275 if (!info->shared)
3277 s = bfd_get_section_by_name (dynobj, ".interp");
3278 BFD_ASSERT (s != NULL);
3279 s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3280 s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
3284 /* The check_relocs and adjust_dynamic_symbol entry points have
3285 determined the sizes of the various dynamic sections. Allocate
3286 memory for them. */
3287 reltext = FALSE;
3288 for (s = dynobj->sections; s != NULL; s = s->next)
3290 const char *name;
3292 if ((s->flags & SEC_LINKER_CREATED) == 0)
3293 continue;
3295 /* It's OK to base decisions on the section name, because none
3296 of the dynobj section names depend upon the input files. */
3297 name = bfd_get_section_name (dynobj, s);
3299 if (CONST_STRNEQ (name, ".rel"))
3301 if (s->size == 0)
3303 /* We only strip the section if the output section name
3304 has the same name. Otherwise, there might be several
3305 input sections for this output section. FIXME: This
3306 code is probably not needed these days anyhow, since
3307 the linker now does not create empty output sections. */
3308 if (s->output_section != NULL
3309 && strcmp (name,
3310 bfd_get_section_name (s->output_section->owner,
3311 s->output_section)) == 0)
3312 s->flags |= SEC_EXCLUDE;
3314 else
3316 const char *outname;
3317 asection *target;
3319 /* If this relocation section applies to a read only
3320 section, then we probably need a DT_TEXTREL entry.
3321 If the relocation section is .rel.dyn, we always
3322 assert a DT_TEXTREL entry rather than testing whether
3323 there exists a relocation to a read only section or
3324 not. */
3325 outname = bfd_get_section_name (output_bfd, s->output_section);
3326 target = bfd_get_section_by_name (output_bfd, outname + 4);
3327 if ((target != NULL
3328 && (target->flags & SEC_READONLY) != 0
3329 && (target->flags & SEC_ALLOC) != 0) || strcmp (outname, ".rel.dyn") == 0)
3330 reltext = TRUE;
3332 /* We use the reloc_count field as a counter if we need
3333 to copy relocs into the output file. */
3334 if (strcmp (name, ".rel.dyn") != 0)
3335 s->reloc_count = 0;
3338 else if (CONST_STRNEQ (name, ".got"))
3340 /* s3_bfd_score_elf_always_size_sections() has already done
3341 most of the work, but some symbols may have been mapped
3342 to versions that we must now resolve in the got_entries
3343 hash tables. */
3345 else if (strcmp (name, SCORE_ELF_STUB_SECTION_NAME) == 0)
3347 /* IRIX rld assumes that the function stub isn't at the end
3348 of .text section. So put a dummy. XXX */
3349 s->size += SCORE_FUNCTION_STUB_SIZE;
3351 else if (! CONST_STRNEQ (name, ".init"))
3353 /* It's not one of our sections, so don't allocate space. */
3354 continue;
3357 /* Allocate memory for the section contents. */
3358 s->contents = bfd_zalloc (dynobj, s->size);
3359 if (s->contents == NULL && s->size != 0)
3361 bfd_set_error (bfd_error_no_memory);
3362 return FALSE;
3366 if (elf_hash_table (info)->dynamic_sections_created)
3368 /* Add some entries to the .dynamic section. We fill in the
3369 values later, in s3_bfd_score_elf_finish_dynamic_sections, but we
3370 must add the entries now so that we get the correct size for
3371 the .dynamic section. The DT_DEBUG entry is filled in by the
3372 dynamic linker and used by the debugger. */
3374 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_DEBUG, 0))
3375 return FALSE;
3377 if (reltext)
3378 info->flags |= DF_TEXTREL;
3380 if ((info->flags & DF_TEXTREL) != 0)
3382 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_TEXTREL, 0))
3383 return FALSE;
3386 if (! SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_PLTGOT, 0))
3387 return FALSE;
3389 if (score_elf_rel_dyn_section (dynobj, FALSE))
3391 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_REL, 0))
3392 return FALSE;
3394 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELSZ, 0))
3395 return FALSE;
3397 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELENT, 0))
3398 return FALSE;
3401 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_BASE_ADDRESS, 0))
3402 return FALSE;
3404 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_LOCAL_GOTNO, 0))
3405 return FALSE;
3407 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_SYMTABNO, 0))
3408 return FALSE;
3410 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_UNREFEXTNO, 0))
3411 return FALSE;
3413 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_GOTSYM, 0))
3414 return FALSE;
3416 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_HIPAGENO, 0))
3417 return FALSE;
3420 return TRUE;
3423 static bfd_boolean
3424 s3_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3426 struct elf_link_hash_entry *h;
3427 struct bfd_link_hash_entry *bh;
3428 flagword flags;
3429 asection *s;
3431 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3432 | SEC_LINKER_CREATED | SEC_READONLY);
3434 /* ABI requests the .dynamic section to be read only. */
3435 s = bfd_get_section_by_name (abfd, ".dynamic");
3436 if (s != NULL)
3438 if (!bfd_set_section_flags (abfd, s, flags))
3439 return FALSE;
3442 /* We need to create .got section. */
3443 if (!score_elf_create_got_section (abfd, info, FALSE))
3444 return FALSE;
3446 if (!score_elf_rel_dyn_section (elf_hash_table (info)->dynobj, TRUE))
3447 return FALSE;
3449 /* Create .stub section. */
3450 if (bfd_get_section_by_name (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL)
3452 s = bfd_make_section_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME,
3453 flags | SEC_CODE);
3454 if (s == NULL
3455 || !bfd_set_section_alignment (abfd, s, 2))
3457 return FALSE;
3460 if (!info->shared)
3462 const char *name;
3464 name = "_DYNAMIC_LINK";
3465 bh = NULL;
3466 if (!(_bfd_generic_link_add_one_symbol
3467 (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
3468 (bfd_vma) 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
3469 return FALSE;
3471 h = (struct elf_link_hash_entry *)bh;
3472 h->non_elf = 0;
3473 h->def_regular = 1;
3474 h->type = STT_SECTION;
3476 if (!bfd_elf_link_record_dynamic_symbol (info, h))
3477 return FALSE;
3480 return TRUE;
3484 /* Finish up dynamic symbol handling. We set the contents of various
3485 dynamic sections here. */
3486 static bfd_boolean
3487 s3_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
3488 struct bfd_link_info *info,
3489 struct elf_link_hash_entry *h,
3490 Elf_Internal_Sym *sym)
3492 bfd *dynobj;
3493 asection *sgot;
3494 struct score_got_info *g;
3495 const char *name;
3497 dynobj = elf_hash_table (info)->dynobj;
3499 if (h->plt.offset != MINUS_ONE)
3501 asection *s;
3502 bfd_byte stub[SCORE_FUNCTION_STUB_SIZE];
3504 /* This symbol has a stub. Set it up. */
3505 BFD_ASSERT (h->dynindx != -1);
3507 s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
3508 BFD_ASSERT (s != NULL);
3510 /* FIXME: Can h->dynindex be more than 64K? */
3511 if (h->dynindx & 0xffff0000)
3512 return FALSE;
3514 /* Fill the stub. */
3515 score_bfd_put_32 (output_bfd, STUB_LW, stub);
3516 score_bfd_put_32 (output_bfd, STUB_MOVE, stub + 4);
3517 score_bfd_put_32 (output_bfd, STUB_LI16 | (h->dynindx << 1), stub + 8);
3518 score_bfd_put_32 (output_bfd, STUB_BRL, stub + 12);
3520 BFD_ASSERT (h->plt.offset <= s->size);
3521 memcpy (s->contents + h->plt.offset, stub, SCORE_FUNCTION_STUB_SIZE);
3523 /* Mark the symbol as undefined. plt.offset != -1 occurs
3524 only for the referenced symbol. */
3525 sym->st_shndx = SHN_UNDEF;
3527 /* The run-time linker uses the st_value field of the symbol
3528 to reset the global offset table entry for this external
3529 to its stub address when unlinking a shared object. */
3530 sym->st_value = (s->output_section->vma + s->output_offset + h->plt.offset);
3533 BFD_ASSERT (h->dynindx != -1 || h->forced_local);
3535 sgot = score_elf_got_section (dynobj, FALSE);
3536 BFD_ASSERT (sgot != NULL);
3537 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3538 g = score_elf_section_data (sgot)->u.got_info;
3539 BFD_ASSERT (g != NULL);
3541 /* Run through the global symbol table, creating GOT entries for all
3542 the symbols that need them. */
3543 if (g->global_gotsym != NULL && h->dynindx >= g->global_gotsym->dynindx)
3545 bfd_vma offset;
3546 bfd_vma value;
3548 value = sym->st_value;
3549 offset = score_elf_global_got_index (dynobj, h);
3550 score_bfd_put_32 (output_bfd, value, sgot->contents + offset);
3553 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3554 name = h->root.root.string;
3555 if (strcmp (name, "_DYNAMIC") == 0 || strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
3556 sym->st_shndx = SHN_ABS;
3557 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
3559 sym->st_shndx = SHN_ABS;
3560 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3561 sym->st_value = 1;
3563 else if (strcmp (name, GP_DISP_LABEL) == 0)
3565 sym->st_shndx = SHN_ABS;
3566 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3567 sym->st_value = elf_gp (output_bfd);
3570 return TRUE;
3573 /* Finish up the dynamic sections. */
3574 static bfd_boolean
3575 s3_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
3576 struct bfd_link_info *info)
3578 bfd *dynobj;
3579 asection *sdyn;
3580 asection *sgot;
3581 asection *s;
3582 struct score_got_info *g;
3584 dynobj = elf_hash_table (info)->dynobj;
3586 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3588 sgot = score_elf_got_section (dynobj, FALSE);
3589 if (sgot == NULL)
3590 g = NULL;
3591 else
3593 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3594 g = score_elf_section_data (sgot)->u.got_info;
3595 BFD_ASSERT (g != NULL);
3598 if (elf_hash_table (info)->dynamic_sections_created)
3600 bfd_byte *b;
3602 BFD_ASSERT (sdyn != NULL);
3603 BFD_ASSERT (g != NULL);
3605 for (b = sdyn->contents;
3606 b < sdyn->contents + sdyn->size;
3607 b += SCORE_ELF_DYN_SIZE (dynobj))
3609 Elf_Internal_Dyn dyn;
3610 const char *name;
3611 size_t elemsize;
3612 bfd_boolean swap_out_p;
3614 /* Read in the current dynamic entry. */
3615 (*get_elf_backend_data (dynobj)->s->swap_dyn_in) (dynobj, b, &dyn);
3617 /* Assume that we're going to modify it and write it out. */
3618 swap_out_p = TRUE;
3620 switch (dyn.d_tag)
3622 case DT_RELENT:
3623 s = score_elf_rel_dyn_section (dynobj, FALSE);
3624 BFD_ASSERT (s != NULL);
3625 dyn.d_un.d_val = SCORE_ELF_REL_SIZE (dynobj);
3626 break;
3628 case DT_STRSZ:
3629 /* Rewrite DT_STRSZ. */
3630 dyn.d_un.d_val = _bfd_elf_strtab_size (elf_hash_table (info)->dynstr);
3631 break;
3633 case DT_PLTGOT:
3634 name = ".got";
3635 s = bfd_get_section_by_name (output_bfd, name);
3636 BFD_ASSERT (s != NULL);
3637 dyn.d_un.d_ptr = s->vma;
3638 break;
3640 case DT_SCORE_BASE_ADDRESS:
3641 s = output_bfd->sections;
3642 BFD_ASSERT (s != NULL);
3643 dyn.d_un.d_ptr = s->vma & ~(bfd_vma) 0xffff;
3644 break;
3646 case DT_SCORE_LOCAL_GOTNO:
3647 dyn.d_un.d_val = g->local_gotno;
3648 break;
3650 case DT_SCORE_UNREFEXTNO:
3651 /* The index into the dynamic symbol table which is the
3652 entry of the first external symbol that is not
3653 referenced within the same object. */
3654 dyn.d_un.d_val = bfd_count_sections (output_bfd) + 1;
3655 break;
3657 case DT_SCORE_GOTSYM:
3658 if (g->global_gotsym)
3660 dyn.d_un.d_val = g->global_gotsym->dynindx;
3661 break;
3663 /* In case if we don't have global got symbols we default
3664 to setting DT_SCORE_GOTSYM to the same value as
3665 DT_SCORE_SYMTABNO, so we just fall through. */
3667 case DT_SCORE_SYMTABNO:
3668 name = ".dynsym";
3669 elemsize = SCORE_ELF_SYM_SIZE (output_bfd);
3670 s = bfd_get_section_by_name (output_bfd, name);
3671 BFD_ASSERT (s != NULL);
3673 dyn.d_un.d_val = s->size / elemsize;
3674 break;
3676 case DT_SCORE_HIPAGENO:
3677 dyn.d_un.d_val = g->local_gotno - SCORE_RESERVED_GOTNO;
3678 break;
3680 default:
3681 swap_out_p = FALSE;
3682 break;
3685 if (swap_out_p)
3686 (*get_elf_backend_data (dynobj)->s->swap_dyn_out) (dynobj, &dyn, b);
3690 /* The first entry of the global offset table will be filled at
3691 runtime. The second entry will be used by some runtime loaders.
3692 This isn't the case of IRIX rld. */
3693 if (sgot != NULL && sgot->size > 0)
3695 score_bfd_put_32 (output_bfd, 0, sgot->contents);
3696 score_bfd_put_32 (output_bfd, 0x80000000, sgot->contents + SCORE_ELF_GOT_SIZE (output_bfd));
3699 if (sgot != NULL)
3700 elf_section_data (sgot->output_section)->this_hdr.sh_entsize
3701 = SCORE_ELF_GOT_SIZE (output_bfd);
3704 /* We need to sort the entries of the dynamic relocation section. */
3705 s = score_elf_rel_dyn_section (dynobj, FALSE);
3707 if (s != NULL && s->size > (bfd_vma)2 * SCORE_ELF_REL_SIZE (output_bfd))
3709 reldyn_sorting_bfd = output_bfd;
3710 qsort ((Elf32_External_Rel *) s->contents + 1, s->reloc_count - 1,
3711 sizeof (Elf32_External_Rel), score_elf_sort_dynamic_relocs);
3714 return TRUE;
3717 /* This function set up the ELF section header for a BFD section in preparation for writing
3718 it out. This is where the flags and type fields are set for unusual sections. */
3719 static bfd_boolean
3720 s3_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
3721 Elf_Internal_Shdr *hdr,
3722 asection *sec)
3724 const char *name;
3726 name = bfd_get_section_name (abfd, sec);
3728 if (strcmp (name, ".got") == 0
3729 || strcmp (name, ".srdata") == 0
3730 || strcmp (name, ".sdata") == 0
3731 || strcmp (name, ".sbss") == 0)
3732 hdr->sh_flags |= SHF_SCORE_GPREL;
3734 return TRUE;
3737 /* This function do additional processing on the ELF section header before writing
3738 it out. This is used to set the flags and type fields for some sections. */
3740 /* assign_file_positions_except_relocs() check section flag and if it is allocatable,
3741 warning message will be issued. backend_fake_section is called before
3742 assign_file_positions_except_relocs(); backend_section_processing after it. so, we
3743 modify section flag there, but not backend_fake_section. */
3744 static bfd_boolean
3745 s3_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
3747 if (hdr->bfd_section != NULL)
3749 const char *name = bfd_get_section_name (abfd, hdr->bfd_section);
3751 if (strcmp (name, ".sdata") == 0)
3753 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3754 hdr->sh_type = SHT_PROGBITS;
3756 else if (strcmp (name, ".sbss") == 0)
3758 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3759 hdr->sh_type = SHT_NOBITS;
3761 else if (strcmp (name, ".srdata") == 0)
3763 hdr->sh_flags |= SHF_ALLOC | SHF_SCORE_GPREL;
3764 hdr->sh_type = SHT_PROGBITS;
3768 return TRUE;
3771 static bfd_boolean
3772 s3_bfd_score_elf_write_section (bfd *output_bfd, asection *sec, bfd_byte *contents)
3774 bfd_byte *to, *from, *end;
3775 int i;
3777 if (strcmp (sec->name, ".pdr") != 0)
3778 return FALSE;
3780 if (score_elf_section_data (sec)->u.tdata == NULL)
3781 return FALSE;
3783 to = contents;
3784 end = contents + sec->size;
3785 for (from = contents, i = 0; from < end; from += PDR_SIZE, i++)
3787 if ((score_elf_section_data (sec)->u.tdata)[i] == 1)
3788 continue;
3790 if (to != from)
3791 memcpy (to, from, PDR_SIZE);
3793 to += PDR_SIZE;
3795 bfd_set_section_contents (output_bfd, sec->output_section, contents,
3796 (file_ptr) sec->output_offset, sec->size);
3798 return TRUE;
3801 /* Copy data from a SCORE ELF indirect symbol to its direct symbol, hiding the old
3802 indirect symbol. Process additional relocation information. */
3803 static void
3804 s3_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
3805 struct elf_link_hash_entry *dir,
3806 struct elf_link_hash_entry *ind)
3808 struct score_elf_link_hash_entry *dirscore, *indscore;
3810 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3812 if (ind->root.type != bfd_link_hash_indirect)
3813 return;
3815 dirscore = (struct score_elf_link_hash_entry *) dir;
3816 indscore = (struct score_elf_link_hash_entry *) ind;
3817 dirscore->possibly_dynamic_relocs += indscore->possibly_dynamic_relocs;
3819 if (indscore->readonly_reloc)
3820 dirscore->readonly_reloc = TRUE;
3822 if (indscore->no_fn_stub)
3823 dirscore->no_fn_stub = TRUE;
3826 /* Remove information about discarded functions from other sections which mention them. */
3827 static bfd_boolean
3828 s3_bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
3829 struct bfd_link_info *info)
3831 asection *o;
3832 bfd_boolean ret = FALSE;
3833 unsigned char *tdata;
3834 size_t i, skip;
3836 o = bfd_get_section_by_name (abfd, ".pdr");
3837 if ((!o) || (o->size == 0) || (o->size % PDR_SIZE != 0)
3838 || (o->output_section != NULL && bfd_is_abs_section (o->output_section)))
3839 return FALSE;
3841 tdata = bfd_zmalloc (o->size / PDR_SIZE);
3842 if (!tdata)
3843 return FALSE;
3845 cookie->rels = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, info->keep_memory);
3846 if (!cookie->rels)
3848 free (tdata);
3849 return FALSE;
3852 cookie->rel = cookie->rels;
3853 cookie->relend = cookie->rels + o->reloc_count;
3855 for (i = 0, skip = 0; i < o->size; i++)
3857 if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
3859 tdata[i] = 1;
3860 skip++;
3864 if (skip != 0)
3866 score_elf_section_data (o)->u.tdata = tdata;
3867 o->size -= skip * PDR_SIZE;
3868 ret = TRUE;
3870 else
3871 free (tdata);
3873 if (!info->keep_memory)
3874 free (cookie->rels);
3876 return ret;
3879 /* Signal that discard_info() has removed the discarded relocations for this section. */
3880 static bfd_boolean
3881 s3_bfd_score_elf_ignore_discarded_relocs (asection *sec)
3883 if (strcmp (sec->name, ".pdr") == 0)
3884 return TRUE;
3885 return FALSE;
3888 /* Return the section that should be marked against GC for a given
3889 relocation. */
3890 static asection *
3891 s3_bfd_score_elf_gc_mark_hook (asection *sec,
3892 struct bfd_link_info *info,
3893 Elf_Internal_Rela *rel,
3894 struct elf_link_hash_entry *h,
3895 Elf_Internal_Sym *sym)
3897 if (h != NULL)
3898 switch (ELF32_R_TYPE (rel->r_info))
3900 case R_SCORE_GNU_VTINHERIT:
3901 case R_SCORE_GNU_VTENTRY:
3902 return NULL;
3905 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3908 /* Support for core dump NOTE sections. */
3910 static bfd_boolean
3911 s3_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3913 int offset;
3914 unsigned int raw_size;
3916 switch (note->descsz)
3918 default:
3919 return FALSE;
3921 case 148: /* Linux/Score 32-bit. */
3922 /* pr_cursig */
3923 elf_tdata (abfd)->core_signal = score_bfd_get_16 (abfd, note->descdata + 12);
3925 /* pr_pid */
3926 elf_tdata (abfd)->core_pid = score_bfd_get_32 (abfd, note->descdata + 24);
3928 /* pr_reg */
3929 offset = 72;
3930 raw_size = 72;
3932 break;
3935 /* Make a ".reg/999" section. */
3936 return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, note->descpos + offset);
3939 static bfd_boolean
3940 s3_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3942 switch (note->descsz)
3944 default:
3945 return FALSE;
3947 case 124: /* Linux/Score elf_prpsinfo. */
3948 elf_tdata (abfd)->core_program = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
3949 elf_tdata (abfd)->core_command = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
3952 /* Note that for some reason, a spurious space is tacked
3953 onto the end of the args in some (at least one anyway)
3954 implementations, so strip it off if it exists. */
3957 char *command = elf_tdata (abfd)->core_command;
3958 int n = strlen (command);
3960 if (0 < n && command[n - 1] == ' ')
3961 command[n - 1] = '\0';
3964 return TRUE;
3968 /* Score BFD functions. */
3969 static reloc_howto_type *
3970 s3_elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
3972 unsigned int i;
3974 for (i = 0; i < ARRAY_SIZE (elf32_score_reloc_map); i++)
3975 if (elf32_score_reloc_map[i].bfd_reloc_val == code)
3976 return &elf32_score_howto_table[elf32_score_reloc_map[i].elf_reloc_val];
3978 return NULL;
3981 static reloc_howto_type *
3982 elf32_score_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
3983 const char *r_name)
3985 unsigned int i;
3987 for (i = 0;
3988 i < (sizeof (elf32_score_howto_table)
3989 / sizeof (elf32_score_howto_table[0]));
3990 i++)
3991 if (elf32_score_howto_table[i].name != NULL
3992 && strcasecmp (elf32_score_howto_table[i].name, r_name) == 0)
3993 return &elf32_score_howto_table[i];
3995 return NULL;
3998 static bfd_boolean
3999 s3_elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
4001 FILE *file = (FILE *) ptr;
4003 BFD_ASSERT (abfd != NULL && ptr != NULL);
4005 /* Print normal ELF private data. */
4006 _bfd_elf_print_private_bfd_data (abfd, ptr);
4008 /* xgettext:c-format */
4009 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
4010 if (elf_elfheader (abfd)->e_flags & EF_SCORE_PIC)
4012 fprintf (file, _(" [pic]"));
4014 if (elf_elfheader (abfd)->e_flags & EF_SCORE_FIXDEP)
4016 fprintf (file, _(" [fix dep]"));
4018 fputc ('\n', file);
4020 return TRUE;
4023 static bfd_boolean
4024 s3_elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4026 flagword in_flags;
4027 flagword out_flags;
4029 if (!_bfd_generic_verify_endian_match (ibfd, obfd))
4030 return FALSE;
4032 in_flags = elf_elfheader (ibfd)->e_flags;
4033 out_flags = elf_elfheader (obfd)->e_flags;
4035 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4036 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4037 return TRUE;
4039 in_flags = elf_elfheader (ibfd)->e_flags;
4040 out_flags = elf_elfheader (obfd)->e_flags;
4042 if (! elf_flags_init (obfd))
4044 elf_flags_init (obfd) = TRUE;
4045 elf_elfheader (obfd)->e_flags = in_flags;
4047 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4048 && bfd_get_arch_info (obfd)->the_default)
4050 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
4053 return TRUE;
4056 if (((in_flags & EF_SCORE_PIC) != 0) != ((out_flags & EF_SCORE_PIC) != 0))
4058 (*_bfd_error_handler) (_("%B: warning: linking PIC files with non-PIC files"), ibfd);
4061 /* FIXME: Maybe dependency fix compatibility should be checked here. */
4063 return TRUE;
4066 static bfd_boolean
4067 s3_elf32_score_new_section_hook (bfd *abfd, asection *sec)
4069 struct _score_elf_section_data *sdata;
4070 bfd_size_type amt = sizeof (*sdata);
4072 sdata = bfd_zalloc (abfd, amt);
4073 if (sdata == NULL)
4074 return FALSE;
4075 sec->used_by_bfd = sdata;
4077 return _bfd_elf_new_section_hook (abfd, sec);
4080 /*****************************************************************************/
4082 /* s3_s7: backend hooks. */
4083 static void
4084 _bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
4085 arelent *bfd_reloc,
4086 Elf_Internal_Rela *elf_reloc)
4088 if (bfd_get_mach (abfd) == bfd_mach_score3)
4089 return s3_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
4090 else
4091 return s7_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
4094 static bfd_boolean
4095 _bfd_score_elf_relocate_section (bfd *output_bfd,
4096 struct bfd_link_info *info,
4097 bfd *input_bfd,
4098 asection *input_section,
4099 bfd_byte *contents,
4100 Elf_Internal_Rela *relocs,
4101 Elf_Internal_Sym *local_syms,
4102 asection **local_sections)
4104 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4105 return s3_bfd_score_elf_relocate_section (output_bfd,
4106 info, input_bfd, input_section, contents, relocs,
4107 local_syms, local_sections);
4108 else
4109 return s7_bfd_score_elf_relocate_section (output_bfd,
4110 info, input_bfd, input_section, contents, relocs,
4111 local_syms, local_sections);
4114 static bfd_boolean
4115 _bfd_score_elf_check_relocs (bfd *abfd,
4116 struct bfd_link_info *info,
4117 asection *sec,
4118 const Elf_Internal_Rela *relocs)
4120 if (bfd_get_mach (abfd) == bfd_mach_score3)
4121 return s3_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
4122 else
4123 return s7_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
4126 static bfd_boolean
4127 _bfd_score_elf_add_symbol_hook (bfd *abfd,
4128 struct bfd_link_info *info ATTRIBUTE_UNUSED,
4129 Elf_Internal_Sym *sym,
4130 const char **namep ATTRIBUTE_UNUSED,
4131 flagword *flagsp ATTRIBUTE_UNUSED,
4132 asection **secp,
4133 bfd_vma *valp)
4135 if (bfd_get_mach (abfd) == bfd_mach_score3)
4136 return s3_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
4137 secp, valp);
4138 else
4139 return s7_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
4140 secp, valp);
4143 static void
4144 _bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
4146 if (bfd_get_mach (abfd) == bfd_mach_score3)
4147 return s3_bfd_score_elf_symbol_processing (abfd, asym);
4148 else
4149 return s7_bfd_score_elf_symbol_processing (abfd, asym);
4152 static int
4153 _bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
4154 const char *name ATTRIBUTE_UNUSED,
4155 Elf_Internal_Sym *sym,
4156 asection *input_sec,
4157 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
4159 /* If link a empty .o, then this filed is NULL. */
4160 if (info->input_bfds == NULL)
4162 /* If we see a common symbol, which implies a relocatable link, then
4163 if a symbol was small common in an input file, mark it as small
4164 common in the output file. */
4165 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
4166 sym->st_shndx = SHN_SCORE_SCOMMON;
4167 return 1;
4170 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4171 return s3_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
4172 else
4173 return s7_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
4176 static bfd_boolean
4177 _bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
4178 asection *sec,
4179 int *retval)
4181 if (bfd_get_mach (abfd) == bfd_mach_score3)
4182 return s3_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
4183 else
4184 return s7_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
4187 static bfd_boolean
4188 _bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
4189 struct elf_link_hash_entry *h)
4191 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4192 return s3_bfd_score_elf_adjust_dynamic_symbol (info, h);
4193 else
4194 return s7_bfd_score_elf_adjust_dynamic_symbol (info, h);
4197 static bfd_boolean
4198 _bfd_score_elf_always_size_sections (bfd *output_bfd,
4199 struct bfd_link_info *info)
4201 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4202 return s3_bfd_score_elf_always_size_sections (output_bfd, info);
4203 else
4204 return s7_bfd_score_elf_always_size_sections (output_bfd, info);
4207 static bfd_boolean
4208 _bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4210 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4211 return s3_bfd_score_elf_size_dynamic_sections (output_bfd, info);
4212 else
4213 return s7_bfd_score_elf_size_dynamic_sections (output_bfd, info);
4216 static bfd_boolean
4217 _bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
4219 if (bfd_get_mach (abfd) == bfd_mach_score3)
4220 return s3_bfd_score_elf_create_dynamic_sections (abfd, info);
4221 else
4222 return s7_bfd_score_elf_create_dynamic_sections (abfd, info);
4225 static bfd_boolean
4226 _bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
4227 struct bfd_link_info *info,
4228 struct elf_link_hash_entry *h,
4229 Elf_Internal_Sym *sym)
4231 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4232 return s3_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
4233 else
4234 return s7_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
4237 static bfd_boolean
4238 _bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
4239 struct bfd_link_info *info)
4241 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4242 return s3_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
4243 else
4244 return s7_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
4247 static bfd_boolean
4248 _bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
4249 Elf_Internal_Shdr *hdr,
4250 asection *sec)
4252 if (bfd_get_mach (abfd) == bfd_mach_score3)
4253 return s3_bfd_score_elf_fake_sections (abfd, hdr, sec);
4254 else
4255 return s7_bfd_score_elf_fake_sections (abfd, hdr, sec);
4258 static bfd_boolean
4259 _bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
4261 if (bfd_get_mach (abfd) == bfd_mach_score3)
4262 return s3_bfd_score_elf_section_processing (abfd, hdr);
4263 else
4264 return s7_bfd_score_elf_section_processing (abfd, hdr);
4267 static bfd_boolean
4268 _bfd_score_elf_write_section (bfd *output_bfd,
4269 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
4270 asection *sec, bfd_byte *contents)
4272 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4273 return s3_bfd_score_elf_write_section (output_bfd, sec, contents);
4274 else
4275 return s7_bfd_score_elf_write_section (output_bfd, sec, contents);
4278 static void
4279 _bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
4280 struct elf_link_hash_entry *dir,
4281 struct elf_link_hash_entry *ind)
4283 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4284 return s3_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
4285 else
4286 return s7_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
4289 static void
4290 _bfd_score_elf_hide_symbol (struct bfd_link_info *info,
4291 struct elf_link_hash_entry *entry,
4292 bfd_boolean force_local)
4294 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4295 return s3_bfd_score_elf_hide_symbol (info, entry, force_local);
4296 else
4297 return s7_bfd_score_elf_hide_symbol (info, entry, force_local);
4300 static bfd_boolean
4301 _bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
4302 struct bfd_link_info *info)
4304 if (bfd_get_mach (abfd) == bfd_mach_score3)
4305 return s3_bfd_score_elf_discard_info (abfd, cookie, info);
4306 else
4307 return s7_bfd_score_elf_discard_info (abfd, cookie, info);
4310 static bfd_boolean
4311 _bfd_score_elf_ignore_discarded_relocs (asection *sec)
4313 if (bfd_get_mach (sec->owner) == bfd_mach_score3)
4314 return s3_bfd_score_elf_ignore_discarded_relocs (sec);
4315 else
4316 return s7_bfd_score_elf_ignore_discarded_relocs (sec);
4319 static asection *
4320 _bfd_score_elf_gc_mark_hook (asection *sec,
4321 struct bfd_link_info *info,
4322 Elf_Internal_Rela *rel,
4323 struct elf_link_hash_entry *h,
4324 Elf_Internal_Sym *sym)
4326 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4327 return s3_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
4328 else
4329 return s7_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
4332 static bfd_boolean
4333 _bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
4335 if (bfd_get_mach (abfd) == bfd_mach_score3)
4336 return s3_bfd_score_elf_grok_prstatus (abfd, note);
4337 else
4338 return s7_bfd_score_elf_grok_prstatus (abfd, note);
4341 static bfd_boolean
4342 _bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
4344 if (bfd_get_mach (abfd) == bfd_mach_score3)
4345 return s3_bfd_score_elf_grok_psinfo (abfd, note);
4346 else
4347 return s7_bfd_score_elf_grok_psinfo (abfd, note);
4350 static reloc_howto_type *
4351 elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
4353 /* s3: NOTE!!!
4354 gas will call elf32_score_reloc_type_lookup, and don't write elf file.
4355 So just using score3, but we don't know ld will call this or not.
4356 If so, this way can't work. */
4358 if (score3)
4359 return s3_elf32_score_reloc_type_lookup (abfd, code);
4360 else
4361 return s7_elf32_score_reloc_type_lookup (abfd, code);
4364 /* Create a score elf linker hash table.
4365 This is a copy of _bfd_elf_link_hash_table_create() except with a
4366 different hash table entry creation function. */
4368 static struct bfd_link_hash_table *
4369 elf32_score_link_hash_table_create (bfd *abfd)
4371 struct elf_link_hash_table *ret;
4372 bfd_size_type amt = sizeof (struct elf_link_hash_table);
4374 ret = (struct elf_link_hash_table *) bfd_malloc (amt);
4375 if (ret == NULL)
4376 return NULL;
4378 if (!_bfd_elf_link_hash_table_init (ret, abfd, score_elf_link_hash_newfunc,
4379 sizeof (struct score_elf_link_hash_entry),
4380 GENERIC_ELF_DATA))
4382 free (ret);
4383 return NULL;
4386 return &ret->root;
4389 static bfd_boolean
4390 elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
4392 if (bfd_get_mach (abfd) == bfd_mach_score3)
4393 return s3_elf32_score_print_private_bfd_data (abfd, ptr);
4394 else
4395 return s7_elf32_score_print_private_bfd_data (abfd, ptr);
4398 static bfd_boolean
4399 elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4401 if (bfd_get_mach (obfd) == bfd_mach_score3)
4402 return s3_elf32_score_merge_private_bfd_data (ibfd, obfd);
4403 else
4404 return s7_elf32_score_merge_private_bfd_data (ibfd, obfd);
4407 static bfd_boolean
4408 elf32_score_new_section_hook (bfd *abfd, asection *sec)
4410 if (bfd_get_mach (abfd) == bfd_mach_score3)
4411 return s3_elf32_score_new_section_hook (abfd, sec);
4412 else
4413 return s7_elf32_score_new_section_hook (abfd, sec);
4417 /* s3_s7: don't need to split. */
4419 /* Set the right machine number. */
4420 static bfd_boolean
4421 _bfd_score_elf_score_object_p (bfd * abfd)
4423 int e_set = bfd_mach_score7;
4425 if (elf_elfheader (abfd)->e_machine == EM_SCORE)
4427 int e_mach = elf_elfheader (abfd)->e_flags & EF_SCORE_MACH & EF_OMIT_PIC_FIXDD;
4428 switch (e_mach)
4430 /* Set default target is score7. */
4431 default:
4432 case E_SCORE_MACH_SCORE7:
4433 e_set = bfd_mach_score7;
4434 break;
4436 case E_SCORE_MACH_SCORE3:
4437 e_set = bfd_mach_score3;
4438 break;
4442 return bfd_default_set_arch_mach (abfd, bfd_arch_score, e_set);
4445 bfd_boolean
4446 _bfd_score_elf_common_definition (Elf_Internal_Sym *sym)
4448 return (sym->st_shndx == SHN_COMMON || sym->st_shndx == SHN_SCORE_SCOMMON);
4451 /*****************************************************************************/
4454 #define USE_REL 1
4455 #define TARGET_LITTLE_SYM bfd_elf32_littlescore_vec
4456 #define TARGET_LITTLE_NAME "elf32-littlescore"
4457 #define TARGET_BIG_SYM bfd_elf32_bigscore_vec
4458 #define TARGET_BIG_NAME "elf32-bigscore"
4459 #define ELF_ARCH bfd_arch_score
4460 #define ELF_MACHINE_CODE EM_SCORE
4461 #define ELF_MACHINE_ALT1 EM_SCORE_OLD
4462 #define ELF_MAXPAGESIZE 0x8000
4464 #define elf_info_to_howto 0
4465 #define elf_info_to_howto_rel _bfd_score_info_to_howto
4466 #define elf_backend_relocate_section _bfd_score_elf_relocate_section
4467 #define elf_backend_check_relocs _bfd_score_elf_check_relocs
4468 #define elf_backend_add_symbol_hook _bfd_score_elf_add_symbol_hook
4469 #define elf_backend_symbol_processing _bfd_score_elf_symbol_processing
4470 #define elf_backend_link_output_symbol_hook \
4471 _bfd_score_elf_link_output_symbol_hook
4472 #define elf_backend_section_from_bfd_section \
4473 _bfd_score_elf_section_from_bfd_section
4474 #define elf_backend_adjust_dynamic_symbol \
4475 _bfd_score_elf_adjust_dynamic_symbol
4476 #define elf_backend_always_size_sections \
4477 _bfd_score_elf_always_size_sections
4478 #define elf_backend_size_dynamic_sections \
4479 _bfd_score_elf_size_dynamic_sections
4480 #define elf_backend_omit_section_dynsym \
4481 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
4482 #define elf_backend_create_dynamic_sections \
4483 _bfd_score_elf_create_dynamic_sections
4484 #define elf_backend_finish_dynamic_symbol \
4485 _bfd_score_elf_finish_dynamic_symbol
4486 #define elf_backend_finish_dynamic_sections \
4487 _bfd_score_elf_finish_dynamic_sections
4488 #define elf_backend_fake_sections _bfd_score_elf_fake_sections
4489 #define elf_backend_section_processing _bfd_score_elf_section_processing
4490 #define elf_backend_write_section _bfd_score_elf_write_section
4491 #define elf_backend_copy_indirect_symbol _bfd_score_elf_copy_indirect_symbol
4492 #define elf_backend_hide_symbol _bfd_score_elf_hide_symbol
4493 #define elf_backend_discard_info _bfd_score_elf_discard_info
4494 #define elf_backend_ignore_discarded_relocs \
4495 _bfd_score_elf_ignore_discarded_relocs
4496 #define elf_backend_gc_mark_hook _bfd_score_elf_gc_mark_hook
4497 #define elf_backend_grok_prstatus _bfd_score_elf_grok_prstatus
4498 #define elf_backend_grok_psinfo _bfd_score_elf_grok_psinfo
4499 #define elf_backend_can_gc_sections 1
4500 #define elf_backend_want_plt_sym 0
4501 #define elf_backend_got_header_size (4 * SCORE_RESERVED_GOTNO)
4502 #define elf_backend_plt_header_size 0
4503 #define elf_backend_collect TRUE
4504 #define elf_backend_type_change_ok TRUE
4505 #define elf_backend_object_p _bfd_score_elf_score_object_p
4507 #define bfd_elf32_bfd_reloc_type_lookup elf32_score_reloc_type_lookup
4508 #define bfd_elf32_bfd_reloc_name_lookup \
4509 elf32_score_reloc_name_lookup
4510 #define bfd_elf32_bfd_link_hash_table_create elf32_score_link_hash_table_create
4511 #define bfd_elf32_bfd_print_private_bfd_data elf32_score_print_private_bfd_data
4512 #define bfd_elf32_bfd_merge_private_bfd_data elf32_score_merge_private_bfd_data
4513 #define bfd_elf32_new_section_hook elf32_score_new_section_hook
4515 #include "elf32-target.h"