1 /* 32-bit ELF support for S+core.
2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
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. */
28 #include "libiberty.h"
30 #include "elf/score.h"
31 #include "elf/common.h"
32 #include "elf/internal.h"
34 #include "elf32-score.h"
37 /* The SCORE ELF linker needs additional information for each symbol in
38 the global hash table. */
39 struct score_elf_link_hash_entry
41 struct elf_link_hash_entry root;
43 /* Number of R_SCORE_ABS32, R_SCORE_REL32 relocs against this symbol. */
44 unsigned int possibly_dynamic_relocs;
46 /* If the R_SCORE_ABS32, R_SCORE_REL32 reloc is against a readonly section. */
47 bfd_boolean readonly_reloc;
49 /* We must not create a stub for a symbol that has relocations related to
50 taking the function's address, i.e. any but R_SCORE_CALL15 ones. */
51 bfd_boolean no_fn_stub;
53 /* Are we forced local? This will only be set if we have converted
54 the initial global GOT entry to a local GOT entry. */
55 bfd_boolean forced_local;
58 /* Traverse a score ELF linker hash table. */
59 #define score_elf_link_hash_traverse(table, func, info) \
60 (elf_link_hash_traverse \
62 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
65 /* This structure is used to hold .got entries while estimating got sizes. */
66 struct score_got_entry
68 /* The input bfd in which the symbol is defined. */
70 /* The index of the symbol, as stored in the relocation r_info, if
71 we have a local symbol; -1 otherwise. */
75 /* If abfd == NULL, an address that must be stored in the got. */
77 /* If abfd != NULL && symndx != -1, the addend of the relocation
78 that should be added to the symbol value. */
80 /* If abfd != NULL && symndx == -1, the hash table entry
81 corresponding to a global symbol in the got (or, local, if
83 struct score_elf_link_hash_entry *h;
86 /* The offset from the beginning of the .got section to the entry
87 corresponding to this symbol+addend. If it's a global symbol
88 whose offset is yet to be decided, it's going to be -1. */
92 /* This structure is passed to score_elf_sort_hash_table_f when sorting
93 the dynamic symbols. */
94 struct score_elf_hash_sort_data
96 /* The symbol in the global GOT with the lowest dynamic symbol table index. */
97 struct elf_link_hash_entry *low;
98 /* The least dynamic symbol table index corresponding to a symbol with a GOT entry. */
100 /* The greatest dynamic symbol table index corresponding to a symbol
101 with a GOT entry that is not referenced (e.g., a dynamic symbol
102 with dynamic relocations pointing to it from non-primary GOTs). */
103 long max_unref_got_dynindx;
104 /* The greatest dynamic symbol table index not corresponding to a
105 symbol without a GOT entry. */
106 long max_non_got_dynindx;
109 struct score_got_info
111 /* The global symbol in the GOT with the lowest index in the dynamic
113 struct elf_link_hash_entry *global_gotsym;
114 /* The number of global .got entries. */
115 unsigned int global_gotno;
116 /* The number of local .got entries. */
117 unsigned int local_gotno;
118 /* The number of local .got entries we have used. */
119 unsigned int assigned_gotno;
120 /* A hash table holding members of the got. */
121 struct htab *got_entries;
122 /* In multi-got links, a pointer to the next got (err, rather, most
123 of the time, it points to the previous got). */
124 struct score_got_info *next;
127 /* A structure used to count GOT entries, for GOT entry or ELF symbol table traversal. */
128 struct _score_elf_section_data
130 struct bfd_elf_section_data elf;
133 struct score_got_info *got_info;
139 #define score_elf_section_data(sec) \
140 ((struct _score_elf_section_data *) elf_section_data (sec))
142 /* The size of a symbol-table entry. */
143 #define SCORE_ELF_SYM_SIZE(abfd) \
144 (get_elf_backend_data (abfd)->s->sizeof_sym)
146 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
147 from smaller values. Start with zero, widen, *then* decrement. */
148 #define MINUS_ONE (((bfd_vma)0) - 1)
149 #define MINUS_TWO (((bfd_vma)0) - 2)
154 /* The number of local .got entries we reserve. */
155 #define SCORE_RESERVED_GOTNO (2)
156 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
158 /* The offset of $gp from the beginning of the .got section. */
159 #define ELF_SCORE_GP_OFFSET(abfd) (0x3ff0)
161 /* The maximum size of the GOT for it to be addressable using 15-bit offsets from $gp. */
162 #define SCORE_ELF_GOT_MAX_SIZE(abfd) (ELF_SCORE_GP_OFFSET(abfd) + 0x3fff)
164 #define SCORE_ELF_STUB_SECTION_NAME (".SCORE.stub")
165 #define SCORE_FUNCTION_STUB_SIZE (16)
167 #define STUB_LW 0xc3bcc010 /* lw r29, [r28, -0x3ff0] */
168 #define STUB_MOVE 0x8323bc56 /* mv r25, r3 */
169 #define STUB_LI16 0x87548000 /* ori r26, .dynsym_index */
170 #define STUB_BRL 0x801dbc09 /* brl r29 */
172 #define SCORE_ELF_GOT_SIZE(abfd) \
173 (get_elf_backend_data (abfd)->s->arch_size / 8)
175 #define SCORE_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
176 (_bfd_elf_add_dynamic_entry (info, (bfd_vma) tag, (bfd_vma) val))
178 /* The size of an external dynamic table entry. */
179 #define SCORE_ELF_DYN_SIZE(abfd) \
180 (get_elf_backend_data (abfd)->s->sizeof_dyn)
182 /* The size of an external REL relocation. */
183 #define SCORE_ELF_REL_SIZE(abfd) \
184 (get_elf_backend_data (abfd)->s->sizeof_rel)
186 /* The default alignment for sections, as a power of two. */
187 #define SCORE_ELF_LOG_FILE_ALIGN(abfd)\
188 (get_elf_backend_data (abfd)->s->log_file_align)
190 static bfd_byte *hi16_rel_addr;
192 /* This will be used when we sort the dynamic relocation records. */
193 static bfd *reldyn_sorting_bfd;
195 /* SCORE ELF uses two common sections. One is the usual one, and the
196 other is for small objects. All the small objects are kept
197 together, and then referenced via the gp pointer, which yields
198 faster assembler code. This is what we use for the small common
199 section. This approach is copied from ecoff.c. */
200 static asection score_elf_scom_section;
201 static asymbol score_elf_scom_symbol;
202 static asymbol * score_elf_scom_symbol_ptr;
204 static bfd_reloc_status_type
205 score_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
206 arelent *reloc_entry,
207 asymbol *symbol ATTRIBUTE_UNUSED,
209 asection *input_section ATTRIBUTE_UNUSED,
210 bfd *output_bfd ATTRIBUTE_UNUSED,
211 char **error_message ATTRIBUTE_UNUSED)
213 hi16_rel_addr = (bfd_byte *) data + reloc_entry->address;
217 static bfd_reloc_status_type
218 score_elf_lo16_reloc (bfd *abfd,
219 arelent *reloc_entry,
220 asymbol *symbol ATTRIBUTE_UNUSED,
222 asection *input_section,
223 bfd *output_bfd ATTRIBUTE_UNUSED,
224 char **error_message ATTRIBUTE_UNUSED)
226 bfd_vma addend = 0, offset = 0;
228 unsigned long hi16_offset, hi16_value, uvalue;
230 hi16_value = bfd_get_32 (abfd, hi16_rel_addr);
231 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
232 addend = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
233 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
234 val = reloc_entry->addend;
235 if (reloc_entry->address > input_section->size)
236 return bfd_reloc_outofrange;
237 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
238 hi16_offset = (uvalue >> 16) << 1;
239 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
240 bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
241 offset = (uvalue & 0xffff) << 1;
242 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
243 bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
247 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
248 dangerous relocation. */
251 score_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
257 /* If we've already figured out what GP will be, just return it. */
258 *pgp = _bfd_get_gp_value (output_bfd);
262 count = bfd_get_symcount (output_bfd);
263 sym = bfd_get_outsymbols (output_bfd);
265 /* The linker script will have created a symbol named `_gp' with the
266 appropriate value. */
271 for (i = 0; i < count; i++, sym++)
275 name = bfd_asymbol_name (*sym);
276 if (*name == '_' && strcmp (name, "_gp") == 0)
278 *pgp = bfd_asymbol_value (*sym);
279 _bfd_set_gp_value (output_bfd, *pgp);
287 /* Only get the error once. */
289 _bfd_set_gp_value (output_bfd, *pgp);
296 /* We have to figure out the gp value, so that we can adjust the
297 symbol value correctly. We look up the symbol _gp in the output
298 BFD. If we can't find it, we're stuck. We cache it in the ELF
299 target data. We don't need to adjust the symbol value for an
300 external symbol if we are producing relocatable output. */
302 static bfd_reloc_status_type
303 score_elf_final_gp (bfd *output_bfd,
305 bfd_boolean relocatable,
306 char **error_message,
309 if (bfd_is_und_section (symbol->section)
313 return bfd_reloc_undefined;
316 *pgp = _bfd_get_gp_value (output_bfd);
319 || (symbol->flags & BSF_SECTION_SYM) != 0))
323 /* Make up a value. */
324 *pgp = symbol->section->output_section->vma + 0x4000;
325 _bfd_set_gp_value (output_bfd, *pgp);
327 else if (!score_elf_assign_gp (output_bfd, pgp))
330 (char *) _("GP relative relocation when _gp not defined");
331 return bfd_reloc_dangerous;
338 static bfd_reloc_status_type
339 score_elf_gprel15_with_gp (bfd *abfd,
341 arelent *reloc_entry,
342 asection *input_section,
343 bfd_boolean relocateable,
345 bfd_vma gp ATTRIBUTE_UNUSED)
350 if (bfd_is_com_section (symbol->section))
353 relocation = symbol->value;
355 relocation += symbol->section->output_section->vma;
356 relocation += symbol->section->output_offset;
357 if (reloc_entry->address > input_section->size)
358 return bfd_reloc_outofrange;
360 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
361 if (((reloc_entry->addend & 0xffffc000) != 0)
362 && ((reloc_entry->addend & 0xffffc000) != 0xffffc000))
363 return bfd_reloc_overflow;
365 insn = (insn & ~0x7fff) | (reloc_entry->addend & 0x7fff);
366 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
368 reloc_entry->address += input_section->output_offset;
373 static bfd_reloc_status_type
374 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
375 asection *input_section, bfd_boolean relocatable,
376 void *data, bfd_vma gp)
381 if (bfd_is_com_section (symbol->section))
384 relocation = symbol->value;
386 relocation += symbol->section->output_section->vma;
387 relocation += symbol->section->output_offset;
389 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
390 return bfd_reloc_outofrange;
392 /* Set val to the offset into the section or symbol. */
393 val = reloc_entry->addend;
395 if (reloc_entry->howto->partial_inplace)
396 val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
398 /* Adjust val for the final section location and GP value. If we
399 are producing relocatable output, we don't want to do this for
400 an external symbol. */
402 || (symbol->flags & BSF_SECTION_SYM) != 0)
403 val += relocation - gp;
405 if (reloc_entry->howto->partial_inplace)
406 bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
408 reloc_entry->addend = val;
411 reloc_entry->address += input_section->output_offset;
416 static bfd_reloc_status_type
417 score_elf_gprel15_reloc (bfd *abfd,
418 arelent *reloc_entry,
421 asection *input_section,
423 char **error_message)
425 bfd_boolean relocateable;
426 bfd_reloc_status_type ret;
429 if (output_bfd != NULL
430 && (symbol->flags & BSF_SECTION_SYM) == 0 && reloc_entry->addend == 0)
432 reloc_entry->address += input_section->output_offset;
435 if (output_bfd != NULL)
439 relocateable = FALSE;
440 output_bfd = symbol->section->output_section->owner;
443 ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
444 if (ret != bfd_reloc_ok)
447 return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry,
448 input_section, relocateable, data, gp);
451 /* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must
452 become the offset from the gp register. */
454 static bfd_reloc_status_type
455 score_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
456 void *data, asection *input_section, bfd *output_bfd,
457 char **error_message)
459 bfd_boolean relocatable;
460 bfd_reloc_status_type ret;
463 /* R_SCORE_GPREL32 relocations are defined for local symbols only. */
464 if (output_bfd != NULL
465 && (symbol->flags & BSF_SECTION_SYM) == 0
466 && (symbol->flags & BSF_LOCAL) != 0)
468 *error_message = (char *)
469 _("32bits gp relative relocation occurs for an external symbol");
470 return bfd_reloc_outofrange;
473 if (output_bfd != NULL)
478 output_bfd = symbol->section->output_section->owner;
481 ret = score_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp);
482 if (ret != bfd_reloc_ok)
486 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
487 relocatable, data, gp);
490 /* A howto special_function for R_SCORE_GOT15 relocations. This is just
491 like any other 16-bit relocation when applied to global symbols, but is
492 treated in the same as R_SCORE_HI16 when applied to local symbols. */
494 static bfd_reloc_status_type
495 score_elf_got15_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
496 void *data, asection *input_section,
497 bfd *output_bfd, char **error_message)
499 if ((symbol->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
500 || bfd_is_und_section (bfd_get_section (symbol))
501 || bfd_is_com_section (bfd_get_section (symbol)))
502 /* The relocation is against a global symbol. */
503 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
504 input_section, output_bfd,
507 return score_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
508 input_section, output_bfd, error_message);
511 static bfd_reloc_status_type
512 score_elf_got_lo16_reloc (bfd *abfd,
513 arelent *reloc_entry,
514 asymbol *symbol ATTRIBUTE_UNUSED,
516 asection *input_section,
517 bfd *output_bfd ATTRIBUTE_UNUSED,
518 char **error_message ATTRIBUTE_UNUSED)
520 bfd_vma addend = 0, offset = 0;
522 signed long hi16_offset, hi16_value, uvalue;
524 hi16_value = bfd_get_32 (abfd, hi16_rel_addr);
525 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
526 addend = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
527 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
528 val = reloc_entry->addend;
529 if (reloc_entry->address > input_section->size)
530 return bfd_reloc_outofrange;
531 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
532 if ((uvalue > -0x8000) && (uvalue < 0x7fff))
535 hi16_offset = (uvalue >> 16) & 0x7fff;
536 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
537 bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
538 offset = (uvalue & 0xffff) << 1;
539 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
540 bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
544 static reloc_howto_type elf32_score_howto_table[] =
547 HOWTO (R_SCORE_NONE, /* type */
549 3, /* size (0 = byte, 1 = short, 2 = long) */
551 FALSE, /* pc_relative */
553 complain_overflow_dont,/* complain_on_overflow */
554 bfd_elf_generic_reloc, /* special_function */
555 "R_SCORE_NONE", /* name */
556 FALSE, /* partial_inplace */
559 FALSE), /* pcrel_offset */
562 HOWTO (R_SCORE_HI16, /* type */
564 2, /* size (0 = byte, 1 = short, 2 = long) */
566 FALSE, /* pc_relative */
568 complain_overflow_dont,/* complain_on_overflow */
569 score_elf_hi16_reloc, /* special_function */
570 "R_SCORE_HI16", /* name */
571 TRUE, /* partial_inplace */
572 0x37fff, /* src_mask */
573 0x37fff, /* dst_mask */
574 FALSE), /* pcrel_offset */
577 HOWTO (R_SCORE_LO16, /* type */
579 2, /* size (0 = byte, 1 = short, 2 = long) */
581 FALSE, /* pc_relative */
583 complain_overflow_dont,/* complain_on_overflow */
584 score_elf_lo16_reloc, /* special_function */
585 "R_SCORE_LO16", /* name */
586 TRUE, /* partial_inplace */
587 0x37fff, /* src_mask */
588 0x37fff, /* dst_mask */
589 FALSE), /* pcrel_offset */
592 HOWTO (R_SCORE_BCMP, /* type */
594 2, /* size (0 = byte, 1 = short, 2 = long) */
596 FALSE, /* pc_relative */
598 complain_overflow_dont,/* complain_on_overflow */
599 bfd_elf_generic_reloc, /* special_function */
600 "R_SCORE_BCMP", /* name */
601 TRUE, /* partial_inplace */
602 0x0000ffff, /* src_mask */
603 0x0000ffff, /* dst_mask */
604 FALSE), /* pcrel_offset */
606 HOWTO (R_SCORE_24, /* type */
608 2, /* size (0 = byte, 1 = short, 2 = long) */
610 FALSE, /* pc_relative */
612 complain_overflow_dont,/* complain_on_overflow */
613 bfd_elf_generic_reloc, /* special_function */
614 "R_SCORE_24", /* name */
615 FALSE, /* partial_inplace */
616 0x3ff7fff, /* src_mask */
617 0x3ff7fff, /* dst_mask */
618 FALSE), /* pcrel_offset */
621 HOWTO (R_SCORE_PC19, /* type */
623 2, /* size (0 = byte, 1 = short, 2 = long) */
625 TRUE, /* pc_relative */
627 complain_overflow_dont,/* complain_on_overflow */
628 bfd_elf_generic_reloc, /* special_function */
629 "R_SCORE_PC19", /* name */
630 FALSE, /* partial_inplace */
631 0x3ff03fe, /* src_mask */
632 0x3ff03fe, /* dst_mask */
633 FALSE), /* pcrel_offset */
636 HOWTO (R_SCORE16_11, /* type */
638 1, /* size (0 = byte, 1 = short, 2 = long) */
640 FALSE, /* pc_relative */
642 complain_overflow_dont,/* complain_on_overflow */
643 bfd_elf_generic_reloc, /* special_function */
644 "R_SCORE16_11", /* name */
645 FALSE, /* partial_inplace */
646 0x000000ffe, /* src_mask */
647 0x000000ffe, /* dst_mask */
648 FALSE), /* pcrel_offset */
651 HOWTO (R_SCORE16_PC8, /* type */
653 1, /* size (0 = byte, 1 = short, 2 = long) */
655 TRUE, /* pc_relative */
657 complain_overflow_dont,/* complain_on_overflow */
658 bfd_elf_generic_reloc, /* special_function */
659 "R_SCORE16_PC8", /* name */
660 FALSE, /* partial_inplace */
661 0x000000ff, /* src_mask */
662 0x000000ff, /* dst_mask */
663 FALSE), /* pcrel_offset */
665 /* 32 bit absolute */
666 HOWTO (R_SCORE_ABS32, /* type 8 */
668 2, /* size (0 = byte, 1 = short, 2 = long) */
670 FALSE, /* pc_relative */
672 complain_overflow_bitfield, /* complain_on_overflow */
673 bfd_elf_generic_reloc, /* special_function */
674 "R_SCORE_ABS32", /* name */
675 FALSE, /* partial_inplace */
676 0xffffffff, /* src_mask */
677 0xffffffff, /* dst_mask */
678 FALSE), /* pcrel_offset */
680 /* 16 bit absolute */
681 HOWTO (R_SCORE_ABS16, /* type 11 */
683 1, /* size (0 = byte, 1 = short, 2 = long) */
685 FALSE, /* pc_relative */
687 complain_overflow_bitfield, /* complain_on_overflow */
688 bfd_elf_generic_reloc, /* special_function */
689 "R_SCORE_ABS16", /* name */
690 FALSE, /* partial_inplace */
691 0x0000ffff, /* src_mask */
692 0x0000ffff, /* dst_mask */
693 FALSE), /* pcrel_offset */
696 HOWTO (R_SCORE_DUMMY2, /* type */
698 2, /* size (0 = byte, 1 = short, 2 = long) */
700 FALSE, /* pc_relative */
702 complain_overflow_dont,/* complain_on_overflow */
703 bfd_elf_generic_reloc, /* special_function */
704 "R_SCORE_DUMMY2", /* name */
705 TRUE, /* partial_inplace */
706 0x00007fff, /* src_mask */
707 0x00007fff, /* dst_mask */
708 FALSE), /* pcrel_offset */
711 HOWTO (R_SCORE_GP15, /* type */
713 2, /* size (0 = byte, 1 = short, 2 = long) */
715 FALSE, /* pc_relative */
717 complain_overflow_dont,/* complain_on_overflow */
718 score_elf_gprel15_reloc,/* special_function */
719 "R_SCORE_GP15", /* name */
720 TRUE, /* partial_inplace */
721 0x00007fff, /* src_mask */
722 0x00007fff, /* dst_mask */
723 FALSE), /* pcrel_offset */
725 /* GNU extension to record C++ vtable hierarchy. */
726 HOWTO (R_SCORE_GNU_VTINHERIT, /* type */
728 2, /* size (0 = byte, 1 = short, 2 = long) */
730 FALSE, /* pc_relative */
732 complain_overflow_dont,/* complain_on_overflow */
733 NULL, /* special_function */
734 "R_SCORE_GNU_VTINHERIT", /* name */
735 FALSE, /* partial_inplace */
738 FALSE), /* pcrel_offset */
740 /* GNU extension to record C++ vtable member usage */
741 HOWTO (R_SCORE_GNU_VTENTRY, /* type */
743 2, /* size (0 = byte, 1 = short, 2 = long) */
745 FALSE, /* pc_relative */
747 complain_overflow_dont,/* complain_on_overflow */
748 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
749 "R_SCORE_GNU_VTENTRY", /* name */
750 FALSE, /* partial_inplace */
753 FALSE), /* pcrel_offset */
755 /* Reference to global offset table. */
756 HOWTO (R_SCORE_GOT15, /* type */
758 2, /* size (0 = byte, 1 = short, 2 = long) */
760 FALSE, /* pc_relative */
762 complain_overflow_signed, /* complain_on_overflow */
763 score_elf_got15_reloc, /* special_function */
764 "R_SCORE_GOT15", /* name */
765 TRUE, /* partial_inplace */
766 0x00007fff, /* src_mask */
767 0x00007fff, /* dst_mask */
768 FALSE), /* pcrel_offset */
770 /* Low 16 bits of displacement in global offset table. */
771 HOWTO (R_SCORE_GOT_LO16, /* type */
773 2, /* size (0 = byte, 1 = short, 2 = long) */
775 FALSE, /* pc_relative */
777 complain_overflow_dont,/* complain_on_overflow */
778 score_elf_got_lo16_reloc, /* special_function */
779 "R_SCORE_GOT_LO16", /* name */
780 TRUE, /* partial_inplace */
781 0x37ffe, /* src_mask */
782 0x37ffe, /* dst_mask */
783 FALSE), /* pcrel_offset */
785 /* 15 bit call through global offset table. */
786 HOWTO (R_SCORE_CALL15, /* type */
788 2, /* size (0 = byte, 1 = short, 2 = long) */
790 FALSE, /* pc_relative */
792 complain_overflow_signed, /* complain_on_overflow */
793 bfd_elf_generic_reloc, /* special_function */
794 "R_SCORE_CALL15", /* name */
795 TRUE, /* partial_inplace */
796 0x00007fff, /* src_mask */
797 0x00007fff, /* dst_mask */
798 FALSE), /* pcrel_offset */
800 /* 32 bit GP relative reference. */
801 HOWTO (R_SCORE_GPREL32, /* type */
803 2, /* size (0 = byte, 1 = short, 2 = long) */
805 FALSE, /* pc_relative */
807 complain_overflow_dont,/* complain_on_overflow */
808 score_elf_gprel32_reloc, /* special_function */
809 "R_SCORE_GPREL32", /* name */
810 TRUE, /* partial_inplace */
811 0xffffffff, /* src_mask */
812 0xffffffff, /* dst_mask */
813 FALSE), /* pcrel_offset */
815 /* 32 bit symbol relative relocation. */
816 HOWTO (R_SCORE_REL32, /* type */
818 2, /* size (0 = byte, 1 = short, 2 = long) */
820 FALSE, /* pc_relative */
822 complain_overflow_dont,/* complain_on_overflow */
823 bfd_elf_generic_reloc, /* special_function */
824 "R_SCORE_REL32", /* name */
825 TRUE, /* partial_inplace */
826 0xffffffff, /* src_mask */
827 0xffffffff, /* dst_mask */
828 FALSE), /* pcrel_offset */
830 /* R_SCORE_DUMMY_HI16 */
831 HOWTO (R_SCORE_DUMMY_HI16, /* type */
833 2, /* size (0 = byte, 1 = short, 2 = long) */
835 FALSE, /* pc_relative */
837 complain_overflow_dont,/* complain_on_overflow */
838 score_elf_hi16_reloc, /* special_function */
839 "R_SCORE_DUMMY_HI16", /* name */
840 TRUE, /* partial_inplace */
841 0x37fff, /* src_mask */
842 0x37fff, /* dst_mask */
843 FALSE), /* pcrel_offset */
846 struct score_reloc_map
848 bfd_reloc_code_real_type bfd_reloc_val;
849 unsigned char elf_reloc_val;
852 static const struct score_reloc_map elf32_score_reloc_map[] =
854 {BFD_RELOC_NONE, R_SCORE_NONE},
855 {BFD_RELOC_HI16_S, R_SCORE_HI16},
856 {BFD_RELOC_LO16, R_SCORE_LO16},
857 {BFD_RELOC_SCORE_BCMP, R_SCORE_BCMP},
858 {BFD_RELOC_SCORE_JMP, R_SCORE_24},
859 {BFD_RELOC_SCORE_BRANCH, R_SCORE_PC19},
860 {BFD_RELOC_SCORE16_JMP, R_SCORE16_11},
861 {BFD_RELOC_SCORE16_BRANCH, R_SCORE16_PC8},
862 {BFD_RELOC_32, R_SCORE_ABS32},
863 {BFD_RELOC_16, R_SCORE_ABS16},
864 {BFD_RELOC_SCORE_DUMMY2, R_SCORE_DUMMY2},
865 {BFD_RELOC_SCORE_GPREL15, R_SCORE_GP15},
866 {BFD_RELOC_VTABLE_INHERIT, R_SCORE_GNU_VTINHERIT},
867 {BFD_RELOC_VTABLE_ENTRY, R_SCORE_GNU_VTENTRY},
868 {BFD_RELOC_SCORE_GOT15, R_SCORE_GOT15},
869 {BFD_RELOC_SCORE_GOT_LO16, R_SCORE_GOT_LO16},
870 {BFD_RELOC_SCORE_CALL15, R_SCORE_CALL15},
871 {BFD_RELOC_GPREL32, R_SCORE_GPREL32},
872 {BFD_RELOC_32_PCREL, R_SCORE_REL32},
873 {BFD_RELOC_SCORE_DUMMY_HI16, R_SCORE_DUMMY_HI16},
876 static INLINE hashval_t
877 score_elf_hash_bfd_vma (bfd_vma addr)
880 return addr + (addr >> 32);
886 /* got_entries only match if they're identical, except for gotidx, so
887 use all fields to compute the hash, and compare the appropriate
891 score_elf_got_entry_hash (const void *entry_)
893 const struct score_got_entry *entry = (struct score_got_entry *) entry_;
896 + (! entry->abfd ? score_elf_hash_bfd_vma (entry->d.address)
898 + (entry->symndx >= 0 ? score_elf_hash_bfd_vma (entry->d.addend)
899 : entry->d.h->root.root.root.hash));
903 score_elf_got_entry_eq (const void *entry1, const void *entry2)
905 const struct score_got_entry *e1 = (struct score_got_entry *) entry1;
906 const struct score_got_entry *e2 = (struct score_got_entry *) entry2;
908 return e1->abfd == e2->abfd && e1->symndx == e2->symndx
909 && (! e1->abfd ? e1->d.address == e2->d.address
910 : e1->symndx >= 0 ? e1->d.addend == e2->d.addend
911 : e1->d.h == e2->d.h);
914 /* If H needs a GOT entry, assign it the highest available dynamic
915 index. Otherwise, assign it the lowest available dynamic
919 score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data)
921 struct score_elf_hash_sort_data *hsd = data;
923 /* Symbols without dynamic symbol table entries aren't interesting at all. */
924 if (h->root.dynindx == -1)
927 /* Global symbols that need GOT entries that are not explicitly
928 referenced are marked with got offset 2. Those that are
929 referenced get a 1, and those that don't need GOT entries get
931 if (h->root.got.offset == 2)
933 if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx)
934 hsd->low = (struct elf_link_hash_entry *) h;
935 h->root.dynindx = hsd->max_unref_got_dynindx++;
937 else if (h->root.got.offset != 1)
938 h->root.dynindx = hsd->max_non_got_dynindx++;
941 h->root.dynindx = --hsd->min_got_dynindx;
942 hsd->low = (struct elf_link_hash_entry *) h;
949 score_elf_got_section (bfd *abfd, bfd_boolean maybe_excluded)
951 asection *sgot = bfd_get_linker_section (abfd, ".got");
953 if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0))
958 /* Returns the GOT information associated with the link indicated by
959 INFO. If SGOTP is non-NULL, it is filled in with the GOT section. */
961 static struct score_got_info *
962 score_elf_got_info (bfd *abfd, asection **sgotp)
965 struct score_got_info *g;
967 sgot = score_elf_got_section (abfd, TRUE);
968 BFD_ASSERT (sgot != NULL);
969 BFD_ASSERT (elf_section_data (sgot) != NULL);
970 g = score_elf_section_data (sgot)->u.got_info;
971 BFD_ASSERT (g != NULL);
978 /* Sort the dynamic symbol table so that symbols that need GOT entries
979 appear towards the end. This reduces the amount of GOT space
980 required. MAX_LOCAL is used to set the number of local symbols
981 known to be in the dynamic symbol table. During
982 s7_bfd_score_elf_size_dynamic_sections, this value is 1. Afterward, the
983 section symbols are added and the count is higher. */
986 score_elf_sort_hash_table (struct bfd_link_info *info,
987 unsigned long max_local)
989 struct score_elf_hash_sort_data hsd;
990 struct score_got_info *g;
993 dynobj = elf_hash_table (info)->dynobj;
995 g = score_elf_got_info (dynobj, NULL);
998 hsd.max_unref_got_dynindx =
999 hsd.min_got_dynindx = elf_hash_table (info)->dynsymcount
1000 /* In the multi-got case, assigned_gotno of the master got_info
1001 indicate the number of entries that aren't referenced in the
1002 primary GOT, but that must have entries because there are
1003 dynamic relocations that reference it. Since they aren't
1004 referenced, we move them to the end of the GOT, so that they
1005 don't prevent other entries that are referenced from getting
1006 too large offsets. */
1007 - (g->next ? g->assigned_gotno : 0);
1008 hsd.max_non_got_dynindx = max_local;
1009 score_elf_link_hash_traverse (elf_hash_table (info),
1010 score_elf_sort_hash_table_f,
1013 /* There should have been enough room in the symbol table to
1014 accommodate both the GOT and non-GOT symbols. */
1015 BFD_ASSERT (hsd.max_non_got_dynindx <= hsd.min_got_dynindx);
1016 BFD_ASSERT ((unsigned long) hsd.max_unref_got_dynindx
1017 <= elf_hash_table (info)->dynsymcount);
1019 /* Now we know which dynamic symbol has the lowest dynamic symbol
1020 table index in the GOT. */
1021 g->global_gotsym = hsd.low;
1026 /* Returns the first relocation of type r_type found, beginning with
1027 RELOCATION. RELEND is one-past-the-end of the relocation table. */
1029 static const Elf_Internal_Rela *
1030 score_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
1031 const Elf_Internal_Rela *relocation,
1032 const Elf_Internal_Rela *relend)
1034 while (relocation < relend)
1036 if (ELF32_R_TYPE (relocation->r_info) == r_type)
1042 /* We didn't find it. */
1043 bfd_set_error (bfd_error_bad_value);
1047 /* This function is called via qsort() to sort the dynamic relocation
1048 entries by increasing r_symndx value. */
1050 score_elf_sort_dynamic_relocs (const void *arg1, const void *arg2)
1052 Elf_Internal_Rela int_reloc1;
1053 Elf_Internal_Rela int_reloc2;
1055 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg1, &int_reloc1);
1056 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg2, &int_reloc2);
1058 return (ELF32_R_SYM (int_reloc1.r_info) - ELF32_R_SYM (int_reloc2.r_info));
1061 /* Return whether a relocation is against a local symbol. */
1063 score_elf_local_relocation_p (bfd *input_bfd,
1064 const Elf_Internal_Rela *relocation,
1065 asection **local_sections,
1066 bfd_boolean check_forced)
1068 unsigned long r_symndx;
1069 Elf_Internal_Shdr *symtab_hdr;
1070 struct score_elf_link_hash_entry *h;
1073 r_symndx = ELF32_R_SYM (relocation->r_info);
1074 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1075 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
1077 if (r_symndx < extsymoff)
1079 if (elf_bad_symtab (input_bfd) && local_sections[r_symndx] != NULL)
1084 /* Look up the hash table to check whether the symbol was forced local. */
1085 h = (struct score_elf_link_hash_entry *)
1086 elf_sym_hashes (input_bfd) [r_symndx - extsymoff];
1087 /* Find the real hash-table entry for this symbol. */
1088 while (h->root.root.type == bfd_link_hash_indirect
1089 || h->root.root.type == bfd_link_hash_warning)
1090 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1091 if (h->root.forced_local)
1098 /* Returns the dynamic relocation section for DYNOBJ. */
1101 score_elf_rel_dyn_section (bfd *dynobj, bfd_boolean create_p)
1103 static const char dname[] = ".rel.dyn";
1106 sreloc = bfd_get_linker_section (dynobj, dname);
1107 if (sreloc == NULL && create_p)
1109 sreloc = bfd_make_section_anyway_with_flags (dynobj, dname,
1114 | SEC_LINKER_CREATED
1117 || ! bfd_set_section_alignment (dynobj, sreloc,
1118 SCORE_ELF_LOG_FILE_ALIGN (dynobj)))
1125 score_elf_allocate_dynamic_relocations (bfd *abfd, unsigned int n)
1129 s = score_elf_rel_dyn_section (abfd, FALSE);
1130 BFD_ASSERT (s != NULL);
1134 /* Make room for a null element. */
1135 s->size += SCORE_ELF_REL_SIZE (abfd);
1138 s->size += n * SCORE_ELF_REL_SIZE (abfd);
1141 /* Create a rel.dyn relocation for the dynamic linker to resolve. REL
1142 is the original relocation, which is now being transformed into a
1143 dynamic relocation. The ADDENDP is adjusted if necessary; the
1144 caller should store the result in place of the original addend. */
1147 score_elf_create_dynamic_relocation (bfd *output_bfd,
1148 struct bfd_link_info *info,
1149 const Elf_Internal_Rela *rel,
1150 struct score_elf_link_hash_entry *h,
1152 bfd_vma *addendp, asection *input_section)
1154 Elf_Internal_Rela outrel[3];
1159 bfd_boolean defined_p;
1161 r_type = ELF32_R_TYPE (rel->r_info);
1162 dynobj = elf_hash_table (info)->dynobj;
1163 sreloc = score_elf_rel_dyn_section (dynobj, FALSE);
1164 BFD_ASSERT (sreloc != NULL);
1165 BFD_ASSERT (sreloc->contents != NULL);
1166 BFD_ASSERT (sreloc->reloc_count * SCORE_ELF_REL_SIZE (output_bfd) < sreloc->size);
1168 outrel[0].r_offset =
1169 _bfd_elf_section_offset (output_bfd, info, input_section, rel[0].r_offset);
1170 outrel[1].r_offset =
1171 _bfd_elf_section_offset (output_bfd, info, input_section, rel[1].r_offset);
1172 outrel[2].r_offset =
1173 _bfd_elf_section_offset (output_bfd, info, input_section, rel[2].r_offset);
1175 if (outrel[0].r_offset == MINUS_ONE)
1176 /* The relocation field has been deleted. */
1179 if (outrel[0].r_offset == MINUS_TWO)
1181 /* The relocation field has been converted into a relative value of
1182 some sort. Functions like _bfd_elf_write_section_eh_frame expect
1183 the field to be fully relocated, so add in the symbol's value. */
1188 /* We must now calculate the dynamic symbol table index to use
1189 in the relocation. */
1191 && (! info->symbolic || !h->root.def_regular)
1192 /* h->root.dynindx may be -1 if this symbol was marked to
1194 && h->root.dynindx != -1)
1196 indx = h->root.dynindx;
1197 /* ??? glibc's ld.so just adds the final GOT entry to the
1198 relocation field. It therefore treats relocs against
1199 defined symbols in the same way as relocs against
1200 undefined symbols. */
1209 /* If the relocation was previously an absolute relocation and
1210 this symbol will not be referred to by the relocation, we must
1211 adjust it by the value we give it in the dynamic symbol table.
1212 Otherwise leave the job up to the dynamic linker. */
1213 if (defined_p && r_type != R_SCORE_REL32)
1216 /* The relocation is always an REL32 relocation because we don't
1217 know where the shared library will wind up at load-time. */
1218 outrel[0].r_info = ELF32_R_INFO ((unsigned long) indx, R_SCORE_REL32);
1220 /* For strict adherence to the ABI specification, we should
1221 generate a R_SCORE_64 relocation record by itself before the
1222 _REL32/_64 record as well, such that the addend is read in as
1223 a 64-bit value (REL32 is a 32-bit relocation, after all).
1224 However, since none of the existing ELF64 SCORE dynamic
1225 loaders seems to care, we don't waste space with these
1226 artificial relocations. If this turns out to not be true,
1227 score_elf_allocate_dynamic_relocations() should be tweaked so
1228 as to make room for a pair of dynamic relocations per
1229 invocation if ABI_64_P, and here we should generate an
1230 additional relocation record with R_SCORE_64 by itself for a
1231 NULL symbol before this relocation record. */
1232 outrel[1].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1233 outrel[2].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1235 /* Adjust the output offset of the relocation to reference the
1236 correct location in the output file. */
1237 outrel[0].r_offset += (input_section->output_section->vma
1238 + input_section->output_offset);
1239 outrel[1].r_offset += (input_section->output_section->vma
1240 + input_section->output_offset);
1241 outrel[2].r_offset += (input_section->output_section->vma
1242 + input_section->output_offset);
1244 /* Put the relocation back out. We have to use the special
1245 relocation outputter in the 64-bit case since the 64-bit
1246 relocation format is non-standard. */
1247 bfd_elf32_swap_reloc_out
1248 (output_bfd, &outrel[0],
1249 (sreloc->contents + sreloc->reloc_count * sizeof (Elf32_External_Rel)));
1251 /* We've now added another relocation. */
1252 ++sreloc->reloc_count;
1254 /* Make sure the output section is writable. The dynamic linker
1255 will be writing to it. */
1256 elf_section_data (input_section->output_section)->this_hdr.sh_flags |= SHF_WRITE;
1262 score_elf_create_got_section (bfd *abfd,
1263 struct bfd_link_info *info,
1264 bfd_boolean maybe_exclude)
1268 struct elf_link_hash_entry *h;
1269 struct bfd_link_hash_entry *bh;
1270 struct score_got_info *g;
1273 /* This function may be called more than once. */
1274 s = score_elf_got_section (abfd, TRUE);
1277 if (! maybe_exclude)
1278 s->flags &= ~SEC_EXCLUDE;
1282 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1285 flags |= SEC_EXCLUDE;
1287 /* We have to use an alignment of 2**4 here because this is hardcoded
1288 in the function stub generation and in the linker script. */
1289 s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
1290 elf_hash_table (info)->sgot = s;
1292 || ! bfd_set_section_alignment (abfd, s, 4))
1295 /* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
1296 linker script because we don't want to define the symbol if we
1297 are not creating a global offset table. */
1299 if (! (_bfd_generic_link_add_one_symbol
1300 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
1301 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
1304 h = (struct elf_link_hash_entry *) bh;
1307 h->type = STT_OBJECT;
1308 elf_hash_table (info)->hgot = h;
1310 if (bfd_link_pic (info)
1311 && ! bfd_elf_link_record_dynamic_symbol (info, h))
1314 amt = sizeof (struct score_got_info);
1315 g = bfd_alloc (abfd, amt);
1319 g->global_gotsym = NULL;
1320 g->global_gotno = 0;
1322 g->local_gotno = SCORE_RESERVED_GOTNO;
1323 g->assigned_gotno = SCORE_RESERVED_GOTNO;
1326 g->got_entries = htab_try_create (1, score_elf_got_entry_hash,
1327 score_elf_got_entry_eq, NULL);
1328 if (g->got_entries == NULL)
1330 score_elf_section_data (s)->u.got_info = g;
1331 score_elf_section_data (s)->elf.this_hdr.sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
1336 /* Calculate the %high function. */
1339 score_elf_high (bfd_vma value)
1341 return ((value + (bfd_vma) 0x8000) >> 16) & 0xffff;
1344 /* Create a local GOT entry for VALUE. Return the index of the entry,
1345 or -1 if it could not be created. */
1347 static struct score_got_entry *
1348 score_elf_create_local_got_entry (bfd *abfd,
1349 bfd *ibfd ATTRIBUTE_UNUSED,
1350 struct score_got_info *gg,
1351 asection *sgot, bfd_vma value,
1352 unsigned long r_symndx ATTRIBUTE_UNUSED,
1353 struct score_elf_link_hash_entry *h ATTRIBUTE_UNUSED,
1354 int r_type ATTRIBUTE_UNUSED)
1356 struct score_got_entry entry, **loc;
1357 struct score_got_info *g;
1361 entry.d.address = value;
1364 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1368 entry.gotidx = SCORE_ELF_GOT_SIZE (abfd) * g->assigned_gotno++;
1370 *loc = bfd_alloc (abfd, sizeof entry);
1375 memcpy (*loc, &entry, sizeof entry);
1377 if (g->assigned_gotno >= g->local_gotno)
1379 (*loc)->gotidx = -1;
1380 /* We didn't allocate enough space in the GOT. */
1382 (_("not enough GOT space for local GOT entries"));
1383 bfd_set_error (bfd_error_bad_value);
1387 bfd_put_32 (abfd, value, (sgot->contents + entry.gotidx));
1392 /* Find a GOT entry whose higher-order 16 bits are the same as those
1393 for value. Return the index into the GOT for this entry. */
1396 score_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1397 bfd_vma value, bfd_boolean external)
1400 struct score_got_info *g;
1401 struct score_got_entry *entry;
1405 /* Although the ABI says that it is "the high-order 16 bits" that we
1406 want, it is really the %high value. The complete value is
1407 calculated with a `addiu' of a LO16 relocation, just as with a
1409 value = score_elf_high (value) << 16;
1412 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1414 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL,
1417 return entry->gotidx;
1423 s7_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
1424 struct elf_link_hash_entry *entry,
1425 bfd_boolean force_local)
1429 struct score_got_info *g;
1430 struct score_elf_link_hash_entry *h;
1432 h = (struct score_elf_link_hash_entry *) entry;
1433 if (h->forced_local)
1435 h->forced_local = TRUE;
1437 dynobj = elf_hash_table (info)->dynobj;
1438 if (dynobj != NULL && force_local)
1440 got = score_elf_got_section (dynobj, FALSE);
1443 g = score_elf_section_data (got)->u.got_info;
1447 struct score_got_entry e;
1448 struct score_got_info *gg = g;
1450 /* Since we're turning what used to be a global symbol into a
1451 local one, bump up the number of local entries of each GOT
1452 that had an entry for it. This will automatically decrease
1453 the number of global entries, since global_gotno is actually
1454 the upper limit of global entries. */
1459 for (g = g->next; g != gg; g = g->next)
1460 if (htab_find (g->got_entries, &e))
1462 BFD_ASSERT (g->global_gotno > 0);
1467 /* If this was a global symbol forced into the primary GOT, we
1468 no longer need an entry for it. We can't release the entry
1469 at this point, but we must at least stop counting it as one
1470 of the symbols that required a forced got entry. */
1471 if (h->root.got.offset == 2)
1473 BFD_ASSERT (gg->assigned_gotno > 0);
1474 gg->assigned_gotno--;
1477 else if (g->global_gotno == 0 && g->global_gotsym == NULL)
1478 /* If we haven't got through GOT allocation yet, just bump up the
1479 number of local entries, as this symbol won't be counted as
1482 else if (h->root.got.offset == 1)
1484 /* If we're past non-multi-GOT allocation and this symbol had
1485 been marked for a global got entry, give it a local entry
1487 BFD_ASSERT (g->global_gotno > 0);
1493 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1496 /* If H is a symbol that needs a global GOT entry, but has a dynamic
1497 symbol table index lower than any we've seen to date, record it for
1501 score_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
1503 struct bfd_link_info *info,
1504 struct score_got_info *g)
1506 struct score_got_entry entry, **loc;
1508 /* A global symbol in the GOT must also be in the dynamic symbol table. */
1509 if (h->dynindx == -1)
1511 switch (ELF_ST_VISIBILITY (h->other))
1515 s7_bfd_score_elf_hide_symbol (info, h, TRUE);
1518 if (!bfd_elf_link_record_dynamic_symbol (info, h))
1524 entry.d.h = (struct score_elf_link_hash_entry *) h;
1526 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1528 /* If we've already marked this entry as needing GOT space, we don't
1529 need to do it again. */
1533 *loc = bfd_alloc (abfd, sizeof entry);
1539 memcpy (*loc, &entry, sizeof (entry));
1541 if (h->got.offset != MINUS_ONE)
1544 /* By setting this to a value other than -1, we are indicating that
1545 there needs to be a GOT entry for H. Avoid using zero, as the
1546 generic ELF copy_indirect_symbol tests for <= 0. */
1552 /* Reserve space in G for a GOT entry containing the value of symbol
1553 SYMNDX in input bfd ABDF, plus ADDEND. */
1556 score_elf_record_local_got_symbol (bfd *abfd,
1559 struct score_got_info *g)
1561 struct score_got_entry entry, **loc;
1564 entry.symndx = symndx;
1565 entry.d.addend = addend;
1566 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1571 entry.gotidx = g->local_gotno++;
1573 *loc = bfd_alloc (abfd, sizeof(entry));
1577 memcpy (*loc, &entry, sizeof (entry));
1582 /* Returns the GOT offset at which the indicated address can be found.
1583 If there is not yet a GOT entry for this value, create one.
1584 Returns -1 if no satisfactory GOT offset can be found. */
1587 score_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1588 bfd_vma value, unsigned long r_symndx,
1589 struct score_elf_link_hash_entry *h, int r_type)
1592 struct score_got_info *g;
1593 struct score_got_entry *entry;
1595 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1597 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value,
1598 r_symndx, h, r_type);
1603 return entry->gotidx;
1606 /* Returns the GOT index for the global symbol indicated by H. */
1609 score_elf_global_got_index (bfd *abfd, struct elf_link_hash_entry *h)
1613 struct score_got_info *g;
1614 long global_got_dynindx = 0;
1616 g = score_elf_got_info (abfd, &sgot);
1617 if (g->global_gotsym != NULL)
1618 global_got_dynindx = g->global_gotsym->dynindx;
1620 /* Once we determine the global GOT entry with the lowest dynamic
1621 symbol table index, we must put all dynamic symbols with greater
1622 indices into the GOT. That makes it easy to calculate the GOT
1624 BFD_ASSERT (h->dynindx >= global_got_dynindx);
1625 got_index = ((h->dynindx - global_got_dynindx + g->local_gotno) * SCORE_ELF_GOT_SIZE (abfd));
1626 BFD_ASSERT (got_index < sgot->size);
1631 /* Returns the offset for the entry at the INDEXth position in the GOT. */
1634 score_elf_got_offset_from_index (bfd *dynobj,
1636 bfd *input_bfd ATTRIBUTE_UNUSED,
1642 score_elf_got_info (dynobj, &sgot);
1643 gp = _bfd_get_gp_value (output_bfd);
1645 return sgot->output_section->vma + sgot->output_offset + got_index - gp;
1648 /* Follow indirect and warning hash entries so that each got entry
1649 points to the final symbol definition. P must point to a pointer
1650 to the hash table we're traversing. Since this traversal may
1651 modify the hash table, we set this pointer to NULL to indicate
1652 we've made a potentially-destructive change to the hash table, so
1653 the traversal must be restarted. */
1656 score_elf_resolve_final_got_entry (void **entryp, void *p)
1658 struct score_got_entry *entry = (struct score_got_entry *) *entryp;
1659 htab_t got_entries = *(htab_t *) p;
1661 if (entry->abfd != NULL && entry->symndx == -1)
1663 struct score_elf_link_hash_entry *h = entry->d.h;
1665 while (h->root.root.type == bfd_link_hash_indirect
1666 || h->root.root.type == bfd_link_hash_warning)
1667 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1669 if (entry->d.h == h)
1674 /* If we can't find this entry with the new bfd hash, re-insert
1675 it, and get the traversal restarted. */
1676 if (! htab_find (got_entries, entry))
1678 htab_clear_slot (got_entries, entryp);
1679 entryp = htab_find_slot (got_entries, entry, INSERT);
1682 /* Abort the traversal, since the whole table may have
1683 moved, and leave it up to the parent to restart the
1685 *(htab_t *) p = NULL;
1688 /* We might want to decrement the global_gotno count, but it's
1689 either too early or too late for that at this point. */
1695 /* Turn indirect got entries in a got_entries table into their final locations. */
1698 score_elf_resolve_final_got_entries (struct score_got_info *g)
1704 got_entries = g->got_entries;
1706 htab_traverse (got_entries,
1707 score_elf_resolve_final_got_entry,
1710 while (got_entries == NULL);
1713 /* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. for -r */
1716 score_elf_add_to_rel (bfd *abfd,
1718 reloc_howto_type *howto,
1719 bfd_signed_vma increment)
1721 bfd_signed_vma addend;
1723 unsigned long offset;
1724 unsigned long r_type = howto->type;
1725 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
1727 contents = bfd_get_32 (abfd, address);
1728 /* Get the (signed) value from the instruction. */
1729 addend = contents & howto->src_mask;
1730 if (addend & ((howto->src_mask + 1) >> 1))
1732 bfd_signed_vma mask;
1735 mask &= ~howto->src_mask;
1738 /* Add in the increment, (which is a byte value). */
1743 (((contents & howto->src_mask) & 0x3ff0000) >> 6) | ((contents & howto->src_mask) & 0x3ff);
1744 offset += increment;
1746 (contents & ~howto->
1747 src_mask) | (((offset << 6) & howto->src_mask) & 0x3ff0000) | (offset & 0x3ff);
1748 bfd_put_32 (abfd, contents, address);
1753 hi16_addend = bfd_get_32 (abfd, address - 4);
1754 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
1755 offset = ((((contents >> 16) & 0x3) << 15) | (contents & 0x7fff)) >> 1;
1756 offset = (hi16_offset << 16) | (offset & 0xffff);
1757 uvalue = increment + offset;
1758 hi16_offset = (uvalue >> 16) << 1;
1759 hi16_value = (hi16_addend & (~(howto->dst_mask)))
1760 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
1761 bfd_put_32 (abfd, hi16_value, address - 4);
1762 offset = (uvalue & 0xffff) << 1;
1763 contents = (contents & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
1764 bfd_put_32 (abfd, contents, address);
1768 (((contents & howto->src_mask) >> 1) & 0x1ff8000) | ((contents & howto->src_mask) & 0x7fff);
1769 offset += increment;
1771 (contents & ~howto->
1772 src_mask) | (((offset << 1) & howto->src_mask) & 0x3ff0000) | (offset & 0x7fff);
1773 bfd_put_32 (abfd, contents, address);
1777 contents = bfd_get_16 (abfd, address);
1778 offset = contents & howto->src_mask;
1779 offset += increment;
1780 contents = (contents & ~howto->src_mask) | (offset & howto->src_mask);
1781 bfd_put_16 (abfd, contents, address);
1786 contents = bfd_get_16 (abfd, address);
1787 offset = (contents & howto->src_mask) + ((increment >> 1) & 0xff);
1788 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1789 bfd_put_16 (abfd, contents, address);
1793 case R_SCORE_GOT_LO16:
1797 addend += increment;
1798 contents = (contents & ~howto->dst_mask) | (addend & howto->dst_mask);
1799 bfd_put_32 (abfd, contents, address);
1804 /* Perform a relocation as part of a final link. */
1806 static bfd_reloc_status_type
1807 score_elf_final_link_relocate (reloc_howto_type *howto,
1810 asection *input_section,
1812 Elf_Internal_Rela *rel,
1813 Elf_Internal_Rela *relocs,
1815 struct bfd_link_info *info,
1816 const char *sym_name ATTRIBUTE_UNUSED,
1817 int sym_flags ATTRIBUTE_UNUSED,
1818 struct score_elf_link_hash_entry *h,
1819 Elf_Internal_Sym *local_syms,
1820 asection **local_sections,
1821 bfd_boolean gp_disp_p)
1823 unsigned long r_type;
1824 unsigned long r_symndx;
1825 bfd_byte *hit_data = contents + rel->r_offset;
1827 /* The final GP value to be used for the relocatable, executable, or
1828 shared object file being produced. */
1829 bfd_vma gp = MINUS_ONE;
1830 /* The place (section offset or address) of the storage unit being relocated. */
1832 /* The value of GP used to create the relocatable object. */
1833 bfd_vma gp0 = MINUS_ONE;
1834 /* The offset into the global offset table at which the address of the relocation entry
1835 symbol, adjusted by the addend, resides during execution. */
1836 bfd_vma g = MINUS_ONE;
1837 /* TRUE if the symbol referred to by this relocation is a local symbol. */
1838 bfd_boolean local_p;
1839 /* The eventual value we will relocate. */
1840 bfd_vma value = symbol;
1841 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue, offset, abs_value = 0;
1843 Elf_Internal_Sym *sym = 0;
1844 asection *sec = NULL;
1845 bfd_boolean merge_p = 0;
1848 if (elf_gp (output_bfd) == 0)
1850 struct bfd_link_hash_entry *bh;
1853 bh = bfd_link_hash_lookup (info->hash, "_gp", 0, 0, 1);
1854 if (bh != NULL && bh->type == bfd_link_hash_defined)
1856 elf_gp (output_bfd) = (bh->u.def.value
1857 + bh->u.def.section->output_offset);
1858 if (bh->u.def.section->output_section)
1859 elf_gp (output_bfd) += bh->u.def.section->output_section->vma;
1861 else if (bfd_link_relocatable (info))
1865 /* Find the GP-relative section with the lowest offset. */
1866 for (o = output_bfd->sections; o != NULL; o = o->next)
1869 /* And calculate GP relative to that. */
1870 elf_gp (output_bfd) = lo + ELF_SCORE_GP_OFFSET (input_bfd);
1874 /* If the relocate_section function needs to do a reloc
1875 involving the GP value, it should make a reloc_dangerous
1876 callback to warn that GP is not defined. */
1880 /* Parse the relocation. */
1881 r_symndx = ELF32_R_SYM (rel->r_info);
1882 r_type = ELF32_R_TYPE (rel->r_info);
1883 rel_addr = (input_section->output_section->vma + input_section->output_offset + rel->r_offset);
1885 /* For hidden symbol. */
1886 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, FALSE);
1889 sym = local_syms + r_symndx;
1890 sec = local_sections[r_symndx];
1892 symbol = sec->output_section->vma + sec->output_offset;
1893 if (ELF_ST_TYPE (sym->st_info) != STT_SECTION
1894 || (sec->flags & SEC_MERGE))
1895 symbol += sym->st_value;
1896 if ((sec->flags & SEC_MERGE)
1897 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1901 if (r_type == R_SCORE_GOT15)
1903 const Elf_Internal_Rela *relend;
1904 const Elf_Internal_Rela *lo16_rel;
1905 bfd_vma lo_value = 0;
1907 relend = relocs + input_section->reloc_count;
1908 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
1909 if ((local_p) && (lo16_rel != NULL))
1912 tmp = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
1913 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
1916 asection *msec = sec;
1917 lo_value = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, lo_value);
1919 lo_value += msec->output_section->vma + msec->output_offset;
1926 addend = (bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
1929 /* Figure out the value of the symbol. */
1930 if (local_p && !merge_p)
1932 if (r_type == R_SCORE_GOT15)
1934 const Elf_Internal_Rela *relend;
1935 const Elf_Internal_Rela *lo16_rel;
1936 bfd_vma lo_value = 0;
1938 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
1939 addend = value & 0x7fff;
1940 if ((addend & 0x4000) == 0x4000)
1941 addend |= 0xffffc000;
1943 relend = relocs + input_section->reloc_count;
1944 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
1945 if ((local_p) && (lo16_rel != NULL))
1948 tmp = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
1949 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
1957 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, TRUE);
1959 /* If we haven't already determined the GOT offset, or the GP value,
1960 and we're going to need it, get it now. */
1963 case R_SCORE_CALL15:
1967 g = score_elf_global_got_index (elf_hash_table (info)->dynobj,
1968 (struct elf_link_hash_entry *) h);
1969 if ((! elf_hash_table(info)->dynamic_sections_created
1970 || (bfd_link_pic (info)
1971 && (info->symbolic || h->root.dynindx == -1)
1972 && h->root.def_regular)))
1974 /* This is a static link or a -Bsymbolic link. The
1975 symbol is defined locally, or was forced to be local.
1976 We must initialize this entry in the GOT. */
1977 bfd *tmpbfd = elf_hash_table (info)->dynobj;
1978 asection *sgot = score_elf_got_section (tmpbfd, FALSE);
1979 bfd_put_32 (tmpbfd, value, sgot->contents + g);
1982 else if (r_type == R_SCORE_GOT15 || r_type == R_SCORE_CALL15)
1984 /* There's no need to create a local GOT entry here; the
1985 calculation for a local GOT15 entry does not involve G. */
1990 g = score_elf_local_got_index (output_bfd, input_bfd, info,
1991 symbol + addend, r_symndx, h, r_type);
1993 return bfd_reloc_outofrange;
1996 /* Convert GOT indices to actual offsets. */
1997 g = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
1998 output_bfd, input_bfd, g);
2003 case R_SCORE_GPREL32:
2004 gp0 = _bfd_get_gp_value (input_bfd);
2005 gp = _bfd_get_gp_value (output_bfd);
2009 gp = _bfd_get_gp_value (output_bfd);
2018 return bfd_reloc_ok;
2022 if ((bfd_link_pic (info)
2023 || (elf_hash_table (info)->dynamic_sections_created
2025 && h->root.def_dynamic
2026 && !h->root.def_regular))
2027 && r_symndx != STN_UNDEF
2028 && (input_section->flags & SEC_ALLOC) != 0)
2030 /* If we're creating a shared library, or this relocation is against a symbol
2031 in a shared library, then we can't know where the symbol will end up.
2032 So, we create a relocation record in the output, and leave the job up
2033 to the dynamic linker. */
2035 if (!score_elf_create_dynamic_relocation (output_bfd, info, rel, h,
2038 return bfd_reloc_undefined;
2040 else if (r_symndx == STN_UNDEF)
2041 /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
2042 from removed linkonce sections, or sections discarded by
2047 if (r_type != R_SCORE_REL32)
2048 value = symbol + addend;
2052 value &= howto->dst_mask;
2053 bfd_put_32 (input_bfd, value, hit_data);
2054 return bfd_reloc_ok;
2058 if ((long) value > 0x7fff || (long) value < -0x8000)
2059 return bfd_reloc_overflow;
2060 bfd_put_16 (input_bfd, value, hit_data);
2061 return bfd_reloc_ok;
2064 addend = bfd_get_32 (input_bfd, hit_data);
2065 offset = (((addend & howto->src_mask) >> 1) & 0x1ff8000) | ((addend & howto->src_mask) & 0x7fff);
2066 if ((offset & 0x1000000) != 0)
2067 offset |= 0xfe000000;
2069 abs_value = value - rel_addr;
2070 if ((abs_value & 0xfe000000) != 0)
2071 return bfd_reloc_overflow;
2072 addend = (addend & ~howto->src_mask)
2073 | (((value << 1) & howto->src_mask) & 0x3ff0000) | (value & 0x7fff);
2074 bfd_put_32 (input_bfd, addend, hit_data);
2075 return bfd_reloc_ok;
2078 addend = bfd_get_32 (input_bfd, hit_data);
2079 offset = (((addend & howto->src_mask) & 0x3ff0000) >> 6) | ((addend & howto->src_mask) & 0x3ff);
2080 if ((offset & 0x80000) != 0)
2081 offset |= 0xfff00000;
2082 abs_value = value = value - rel_addr + offset;
2083 /* exceed 20 bit : overflow. */
2084 if ((abs_value & 0x80000000) == 0x80000000)
2085 abs_value = 0xffffffff - value + 1;
2086 if ((abs_value & 0xfff80000) != 0)
2087 return bfd_reloc_overflow;
2088 addend = (addend & ~howto->src_mask)
2089 | (((value << 6) & howto->src_mask) & 0x3ff0000) | (value & 0x3ff);
2090 bfd_put_32 (input_bfd, addend, hit_data);
2091 return bfd_reloc_ok;
2094 addend = bfd_get_16 (input_bfd, hit_data);
2095 offset = addend & howto->src_mask;
2096 if ((offset & 0x800) != 0) /* Offset is negative. */
2097 offset |= 0xfffff000;
2099 abs_value = value - rel_addr;
2100 if ((abs_value & 0xfffff000) != 0)
2101 return bfd_reloc_overflow;
2102 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2103 bfd_put_16 (input_bfd, addend, hit_data);
2104 return bfd_reloc_ok;
2107 addend = bfd_get_16 (input_bfd, hit_data);
2108 offset = (addend & howto->src_mask) << 1;
2109 if ((offset & 0x100) != 0) /* Offset is negative. */
2110 offset |= 0xfffffe00;
2111 abs_value = value = value - rel_addr + offset;
2112 /* Sign bit + exceed 9 bit. */
2113 if (((value & 0xffffff00) != 0) && ((value & 0xffffff00) != 0xffffff00))
2114 return bfd_reloc_overflow;
2116 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2117 bfd_put_16 (input_bfd, addend, hit_data);
2118 return bfd_reloc_ok;
2121 return bfd_reloc_ok;
2124 hi16_addend = bfd_get_32 (input_bfd, hit_data - 4);
2125 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2126 addend = bfd_get_32 (input_bfd, hit_data);
2127 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
2128 offset = (hi16_offset << 16) | (offset & 0xffff);
2131 uvalue = value + offset;
2133 uvalue = offset + gp - rel_addr + 4;
2135 hi16_offset = (uvalue >> 16) << 1;
2136 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2137 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2138 bfd_put_32 (input_bfd, hi16_value, hit_data - 4);
2139 offset = (uvalue & 0xffff) << 1;
2140 value = (addend & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2141 bfd_put_32 (input_bfd, value, hit_data);
2142 return bfd_reloc_ok;
2145 addend = bfd_get_32 (input_bfd, hit_data);
2146 offset = addend & 0x7fff;
2147 if ((offset & 0x4000) == 0x4000)
2148 offset |= 0xffffc000;
2149 value = value + offset - gp;
2150 if (((value & 0xffffc000) != 0) && ((value & 0xffffc000) != 0xffffc000))
2151 return bfd_reloc_overflow;
2152 value = (addend & ~howto->src_mask) | (value & howto->src_mask);
2153 bfd_put_32 (input_bfd, value, hit_data);
2154 return bfd_reloc_ok;
2157 case R_SCORE_CALL15:
2162 /* The special case is when the symbol is forced to be local. We need the
2163 full address in the GOT since no R_SCORE_GOT_LO16 relocation follows. */
2164 forced = ! score_elf_local_relocation_p (input_bfd, rel,
2165 local_sections, FALSE);
2166 value = score_elf_got16_entry (output_bfd, input_bfd, info,
2167 symbol + addend, forced);
2168 if (value == MINUS_ONE)
2169 return bfd_reloc_outofrange;
2170 value = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2171 output_bfd, input_bfd, value);
2178 if ((long) value > 0x3fff || (long) value < -0x4000)
2179 return bfd_reloc_overflow;
2181 addend = bfd_get_32 (input_bfd, hit_data);
2182 value = (addend & ~howto->dst_mask) | (value & howto->dst_mask);
2183 bfd_put_32 (input_bfd, value, hit_data);
2184 return bfd_reloc_ok;
2186 case R_SCORE_GPREL32:
2187 value = (addend + symbol + gp0 - gp);
2188 value &= howto->dst_mask;
2189 bfd_put_32 (input_bfd, value, hit_data);
2190 return bfd_reloc_ok;
2192 case R_SCORE_GOT_LO16:
2193 addend = bfd_get_32 (input_bfd, hit_data);
2194 value = (((addend >> 16) & 0x3) << 14) | ((addend & 0x7fff) >> 1);
2196 value = (addend & (~(howto->dst_mask))) | ((value & 0x3fff) << 1)
2197 | (((value >> 14) & 0x3) << 16);
2199 bfd_put_32 (input_bfd, value, hit_data);
2200 return bfd_reloc_ok;
2202 case R_SCORE_DUMMY_HI16:
2203 return bfd_reloc_ok;
2205 case R_SCORE_GNU_VTINHERIT:
2206 case R_SCORE_GNU_VTENTRY:
2207 /* We don't do anything with these at present. */
2208 return bfd_reloc_continue;
2211 return bfd_reloc_notsupported;
2215 /* Score backend functions. */
2218 s7_bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
2220 Elf_Internal_Rela *elf_reloc)
2222 unsigned int r_type;
2224 r_type = ELF32_R_TYPE (elf_reloc->r_info);
2225 if (r_type >= ARRAY_SIZE (elf32_score_howto_table))
2226 bfd_reloc->howto = NULL;
2228 bfd_reloc->howto = &elf32_score_howto_table[r_type];
2231 /* Relocate an score ELF section. */
2234 s7_bfd_score_elf_relocate_section (bfd *output_bfd,
2235 struct bfd_link_info *info,
2237 asection *input_section,
2239 Elf_Internal_Rela *relocs,
2240 Elf_Internal_Sym *local_syms,
2241 asection **local_sections)
2243 Elf_Internal_Shdr *symtab_hdr;
2244 Elf_Internal_Rela *rel;
2245 Elf_Internal_Rela *relend;
2247 unsigned long offset;
2248 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
2250 bfd_boolean gp_disp_p = FALSE;
2253 if (elf_hash_table (info)->dynamic_sections_created)
2255 bfd_size_type dynsecsymcount = 0;
2256 if (bfd_link_pic (info))
2259 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
2261 for (p = output_bfd->sections; p ; p = p->next)
2262 if ((p->flags & SEC_EXCLUDE) == 0
2263 && (p->flags & SEC_ALLOC) != 0
2264 && !(*bed->elf_backend_omit_section_dynsym) (output_bfd, info, p))
2268 if (!score_elf_sort_hash_table (info, dynsecsymcount + 1))
2272 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2273 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
2275 relend = relocs + input_section->reloc_count;
2276 for (; rel < relend; rel++)
2279 reloc_howto_type *howto;
2280 unsigned long r_symndx;
2281 Elf_Internal_Sym *sym;
2283 struct score_elf_link_hash_entry *h;
2284 bfd_vma relocation = 0;
2285 bfd_reloc_status_type r;
2288 r_symndx = ELF32_R_SYM (rel->r_info);
2289 r_type = ELF32_R_TYPE (rel->r_info);
2291 s7_bfd_score_info_to_howto (input_bfd, &bfd_reloc, (Elf_Internal_Rela *) rel);
2292 howto = bfd_reloc.howto;
2298 if (r_symndx < extsymoff)
2300 sym = local_syms + r_symndx;
2301 sec = local_sections[r_symndx];
2302 relocation = sec->output_section->vma + sec->output_offset;
2303 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
2305 if (!bfd_link_relocatable (info))
2307 if (ELF_ST_TYPE (sym->st_info) != STT_SECTION
2308 || (sec->flags & SEC_MERGE))
2310 relocation += sym->st_value;
2313 if ((sec->flags & SEC_MERGE)
2314 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2317 bfd_vma addend, value;
2324 hi16_addend = bfd_get_32 (input_bfd, contents + rel->r_offset - 4);
2325 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2326 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2327 offset = ((((value >> 16) & 0x3) << 15) | (value & 0x7fff)) >> 1;
2328 addend = (hi16_offset << 16) | (offset & 0xffff);
2330 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2331 addend -= relocation;
2332 addend += msec->output_section->vma + msec->output_offset;
2334 hi16_offset = (uvalue >> 16) << 1;
2335 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2336 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2337 bfd_put_32 (input_bfd, hi16_value, contents + rel->r_offset - 4);
2338 offset = (uvalue & 0xffff) << 1;
2339 value = (value & (~(howto->dst_mask)))
2340 | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2341 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2343 case R_SCORE_GOT_LO16:
2344 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2345 addend = (((value >> 16) & 0x3) << 14) | ((value & 0x7fff) >> 1);
2347 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2348 addend += msec->output_section->vma + msec->output_offset;
2349 value = (value & (~(howto->dst_mask))) | ((addend & 0x3fff) << 1)
2350 | (((addend >> 14) & 0x3) << 16);
2352 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2355 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2356 /* Get the (signed) value from the instruction. */
2357 addend = value & howto->src_mask;
2358 if (addend & ((howto->src_mask + 1) >> 1))
2360 bfd_signed_vma mask;
2363 mask &= ~howto->src_mask;
2367 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2368 addend += msec->output_section->vma + msec->output_offset;
2369 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2370 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2378 /* For global symbols we look up the symbol in the hash-table. */
2379 h = ((struct score_elf_link_hash_entry *)
2380 elf_sym_hashes (input_bfd) [r_symndx - extsymoff]);
2382 if (info->wrap_hash != NULL
2383 && (input_section->flags & SEC_DEBUGGING) != 0)
2384 h = ((struct score_elf_link_hash_entry *)
2385 unwrap_hash_lookup (info, input_bfd, &h->root.root));
2387 /* Find the real hash-table entry for this symbol. */
2388 while (h->root.root.type == bfd_link_hash_indirect
2389 || h->root.root.type == bfd_link_hash_warning)
2390 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
2392 /* Record the name of this symbol, for our caller. */
2393 name = h->root.root.root.string;
2395 /* See if this is the special GP_DISP_LABEL symbol. Note that such a
2396 symbol must always be a global symbol. */
2397 if (strcmp (name, GP_DISP_LABEL) == 0)
2399 /* Relocations against GP_DISP_LABEL are permitted only with
2400 R_SCORE_HI16 and R_SCORE_LO16 relocations. */
2401 if (r_type != R_SCORE_HI16 && r_type != R_SCORE_LO16)
2402 return bfd_reloc_notsupported;
2407 /* If this symbol is defined, calculate its address. Note that
2408 GP_DISP_LABEL is a magic symbol, always implicitly defined by the
2409 linker, so it's inappropriate to check to see whether or not
2411 else if ((h->root.root.type == bfd_link_hash_defined
2412 || h->root.root.type == bfd_link_hash_defweak)
2413 && h->root.root.u.def.section)
2415 sec = h->root.root.u.def.section;
2416 if (sec->output_section)
2417 relocation = (h->root.root.u.def.value
2418 + sec->output_section->vma
2419 + sec->output_offset);
2422 relocation = h->root.root.u.def.value;
2425 else if (h->root.root.type == bfd_link_hash_undefweak)
2426 /* We allow relocations against undefined weak symbols, giving
2427 it the value zero, so that you can undefined weak functions
2428 and check to see if they exist by looking at their addresses. */
2430 else if (info->unresolved_syms_in_objects == RM_IGNORE
2431 && ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
2433 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
2435 /* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol
2436 in s7_bfd_score_elf_create_dynamic_sections. Otherwise, we should define
2437 the symbol with a value of 0. */
2438 BFD_ASSERT (! bfd_link_pic (info));
2439 BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL);
2442 else if (!bfd_link_relocatable (info))
2444 (*info->callbacks->undefined_symbol)
2445 (info, h->root.root.root.string, input_bfd,
2446 input_section, rel->r_offset,
2447 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
2448 || ELF_ST_VISIBILITY (h->root.other));
2453 if (sec != NULL && discarded_section (sec))
2454 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2455 rel, 1, relend, howto, 0, contents);
2457 if (bfd_link_relocatable (info))
2459 /* This is a relocatable link. We don't have to change
2460 anything, unless the reloc is against a section symbol,
2461 in which case we have to adjust according to where the
2462 section symbol winds up in the output section. */
2463 if (r_symndx < symtab_hdr->sh_info)
2465 sym = local_syms + r_symndx;
2467 if (r_type == R_SCORE_GOT15)
2469 const Elf_Internal_Rela *lo16_rel;
2470 bfd_vma lo_addend = 0, lo_value = 0;
2471 bfd_vma addend, value;
2473 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2474 addend = value & 0x7fff;
2475 if ((addend & 0x4000) == 0x4000)
2476 addend |= 0xffffc000;
2478 relend = relocs + input_section->reloc_count;
2479 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
2480 if (lo16_rel != NULL)
2482 lo_value = bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
2483 lo_addend = (((lo_value >> 16) & 0x3) << 14) | ((lo_value & 0x7fff) >> 1);
2487 addend += lo_addend;
2489 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2490 addend += local_sections[r_symndx]->output_offset;
2492 lo_addend = addend & 0xffff;
2493 lo_value = (lo_value & (~(howto->dst_mask))) | ((lo_addend & 0x3fff) << 1)
2494 | (((lo_addend >> 14) & 0x3) << 16);
2495 bfd_put_32 (input_bfd, lo_value, contents + lo16_rel->r_offset);
2497 addend = addend >> 16;
2498 value = (value & ~howto->src_mask) | (addend & howto->src_mask);
2499 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2501 else if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2503 sec = local_sections[r_symndx];
2504 score_elf_add_to_rel (input_bfd, contents + rel->r_offset,
2505 howto, (bfd_signed_vma) (sec->output_offset + sym->st_value));
2511 /* This is a final link. */
2512 r = score_elf_final_link_relocate (howto, input_bfd, output_bfd,
2513 input_section, contents, rel, relocs,
2514 relocation, info, name,
2515 (h ? ELF_ST_TYPE ((unsigned int) h->root.root.type) :
2516 ELF_ST_TYPE ((unsigned int) sym->st_info)), h, local_syms,
2517 local_sections, gp_disp_p);
2519 if (r != bfd_reloc_ok)
2521 const char *msg = (const char *)0;
2525 case bfd_reloc_overflow:
2526 /* If the overflowing reloc was to an undefined symbol,
2527 we have already printed one error message and there
2528 is no point complaining again. */
2529 if (!h || h->root.root.type != bfd_link_hash_undefined)
2530 (*info->callbacks->reloc_overflow)
2531 (info, NULL, name, howto->name, (bfd_vma) 0,
2532 input_bfd, input_section, rel->r_offset);
2534 case bfd_reloc_undefined:
2535 (*info->callbacks->undefined_symbol)
2536 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
2539 case bfd_reloc_outofrange:
2540 msg = _("internal error: out of range error");
2543 case bfd_reloc_notsupported:
2544 msg = _("internal error: unsupported relocation error");
2547 case bfd_reloc_dangerous:
2548 msg = _("internal error: dangerous error");
2552 msg = _("internal error: unknown error");
2556 (*info->callbacks->warning) (info, msg, name, input_bfd,
2557 input_section, rel->r_offset);
2566 /* Look through the relocs for a section during the first phase, and
2567 allocate space in the global offset table. */
2570 s7_bfd_score_elf_check_relocs (bfd *abfd,
2571 struct bfd_link_info *info,
2573 const Elf_Internal_Rela *relocs)
2576 Elf_Internal_Shdr *symtab_hdr;
2577 struct elf_link_hash_entry **sym_hashes;
2578 struct score_got_info *g;
2580 const Elf_Internal_Rela *rel;
2581 const Elf_Internal_Rela *rel_end;
2585 if (bfd_link_relocatable (info))
2588 dynobj = elf_hash_table (info)->dynobj;
2589 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2590 sym_hashes = elf_sym_hashes (abfd);
2591 extsymoff = (elf_bad_symtab (abfd)) ? 0 : symtab_hdr->sh_info;
2600 sgot = score_elf_got_section (dynobj, FALSE);
2605 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
2606 g = score_elf_section_data (sgot)->u.got_info;
2607 BFD_ASSERT (g != NULL);
2612 rel_end = relocs + sec->reloc_count;
2613 for (rel = relocs; rel < rel_end; ++rel)
2615 unsigned long r_symndx;
2616 unsigned int r_type;
2617 struct elf_link_hash_entry *h;
2619 r_symndx = ELF32_R_SYM (rel->r_info);
2620 r_type = ELF32_R_TYPE (rel->r_info);
2622 if (r_symndx < extsymoff)
2626 else if (r_symndx >= extsymoff + NUM_SHDR_ENTRIES (symtab_hdr))
2629 /* xgettext:c-format */
2630 (_("%B: Malformed reloc detected for section %A"), abfd, sec);
2631 bfd_set_error (bfd_error_bad_value);
2636 h = sym_hashes[r_symndx - extsymoff];
2638 /* This may be an indirect symbol created because of a version. */
2641 while (h->root.type == bfd_link_hash_indirect)
2642 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2646 /* Some relocs require a global offset table. */
2647 if (dynobj == NULL || sgot == NULL)
2652 case R_SCORE_CALL15:
2654 elf_hash_table (info)->dynobj = dynobj = abfd;
2655 if (!score_elf_create_got_section (dynobj, info, FALSE))
2657 g = score_elf_got_info (dynobj, &sgot);
2662 && (bfd_link_pic (info) || h != NULL)
2663 && (sec->flags & SEC_ALLOC) != 0)
2664 elf_hash_table (info)->dynobj = dynobj = abfd;
2671 if (!h && (r_type == R_SCORE_GOT_LO16))
2673 if (! score_elf_record_local_got_symbol (abfd, r_symndx, rel->r_addend, g))
2679 case R_SCORE_CALL15:
2683 /* xgettext:c-format */
2684 (_("%B: CALL15 reloc at %#Lx not against global symbol"),
2685 abfd, rel->r_offset);
2686 bfd_set_error (bfd_error_bad_value);
2691 /* This symbol requires a global offset table entry. */
2692 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2695 /* We need a stub, not a plt entry for the undefined function. But we record
2696 it as if it needs plt. See _bfd_elf_adjust_dynamic_symbol. */
2702 if (h && ! score_elf_record_global_got_symbol (h, abfd, info, g))
2707 if ((bfd_link_pic (info) || h != NULL)
2708 && (sec->flags & SEC_ALLOC) != 0)
2712 sreloc = score_elf_rel_dyn_section (dynobj, TRUE);
2716 #define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
2717 if (bfd_link_pic (info))
2719 /* When creating a shared object, we must copy these reloc types into
2720 the output file as R_SCORE_REL32 relocs. We make room for this reloc
2721 in the .rel.dyn reloc section. */
2722 score_elf_allocate_dynamic_relocations (dynobj, 1);
2723 if ((sec->flags & SCORE_READONLY_SECTION)
2724 == SCORE_READONLY_SECTION)
2725 /* We tell the dynamic linker that there are
2726 relocations against the text segment. */
2727 info->flags |= DF_TEXTREL;
2731 struct score_elf_link_hash_entry *hscore;
2733 /* We only need to copy this reloc if the symbol is
2734 defined in a dynamic object. */
2735 hscore = (struct score_elf_link_hash_entry *) h;
2736 ++hscore->possibly_dynamic_relocs;
2737 if ((sec->flags & SCORE_READONLY_SECTION)
2738 == SCORE_READONLY_SECTION)
2739 /* We need it to tell the dynamic linker if there
2740 are relocations against the text segment. */
2741 hscore->readonly_reloc = TRUE;
2744 /* Even though we don't directly need a GOT entry for this symbol,
2745 a symbol must have a dynamic symbol table index greater that
2746 DT_SCORE_GOTSYM if there are dynamic relocations against it. */
2750 elf_hash_table (info)->dynobj = dynobj = abfd;
2751 if (! score_elf_create_got_section (dynobj, info, TRUE))
2753 g = score_elf_got_info (dynobj, &sgot);
2754 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2760 /* This relocation describes the C++ object vtable hierarchy.
2761 Reconstruct it for later use during GC. */
2762 case R_SCORE_GNU_VTINHERIT:
2763 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2767 /* This relocation describes which C++ vtable entries are actually
2768 used. Record for later use during GC. */
2769 case R_SCORE_GNU_VTENTRY:
2770 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
2777 /* We must not create a stub for a symbol that has relocations
2778 related to taking the function's address. */
2784 struct score_elf_link_hash_entry *sh;
2786 sh = (struct score_elf_link_hash_entry *) h;
2787 sh->no_fn_stub = TRUE;
2790 case R_SCORE_CALL15:
2799 s7_bfd_score_elf_add_symbol_hook (bfd *abfd,
2800 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2801 Elf_Internal_Sym *sym,
2802 const char **namep ATTRIBUTE_UNUSED,
2803 flagword *flagsp ATTRIBUTE_UNUSED,
2807 switch (sym->st_shndx)
2810 if (sym->st_size > elf_gp_size (abfd))
2813 case SHN_SCORE_SCOMMON:
2814 *secp = bfd_make_section_old_way (abfd, ".scommon");
2815 (*secp)->flags |= SEC_IS_COMMON;
2816 *valp = sym->st_size;
2824 s7_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
2826 elf_symbol_type *elfsym;
2828 elfsym = (elf_symbol_type *) asym;
2829 switch (elfsym->internal_elf_sym.st_shndx)
2832 if (asym->value > elf_gp_size (abfd))
2835 case SHN_SCORE_SCOMMON:
2836 if (score_elf_scom_section.name == NULL)
2838 /* Initialize the small common section. */
2839 score_elf_scom_section.name = ".scommon";
2840 score_elf_scom_section.flags = SEC_IS_COMMON;
2841 score_elf_scom_section.output_section = &score_elf_scom_section;
2842 score_elf_scom_section.symbol = &score_elf_scom_symbol;
2843 score_elf_scom_section.symbol_ptr_ptr = &score_elf_scom_symbol_ptr;
2844 score_elf_scom_symbol.name = ".scommon";
2845 score_elf_scom_symbol.flags = BSF_SECTION_SYM;
2846 score_elf_scom_symbol.section = &score_elf_scom_section;
2847 score_elf_scom_symbol_ptr = &score_elf_scom_symbol;
2849 asym->section = &score_elf_scom_section;
2850 asym->value = elfsym->internal_elf_sym.st_size;
2856 s7_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
2857 const char *name ATTRIBUTE_UNUSED,
2858 Elf_Internal_Sym *sym,
2859 asection *input_sec,
2860 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
2862 /* If we see a common symbol, which implies a relocatable link, then
2863 if a symbol was small common in an input file, mark it as small
2864 common in the output file. */
2865 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
2866 sym->st_shndx = SHN_SCORE_SCOMMON;
2872 s7_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
2876 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
2878 *retval = SHN_SCORE_SCOMMON;
2885 /* Adjust a symbol defined by a dynamic object and referenced by a
2886 regular object. The current definition is in some section of the
2887 dynamic object, but we're not including those sections. We have to
2888 change the definition to something the rest of the link can understand. */
2891 s7_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2892 struct elf_link_hash_entry *h)
2895 struct score_elf_link_hash_entry *hscore;
2898 dynobj = elf_hash_table (info)->dynobj;
2900 /* Make sure we know what is going on here. */
2901 BFD_ASSERT (dynobj != NULL
2904 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
2906 /* If this symbol is defined in a dynamic object, we need to copy
2907 any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output
2909 hscore = (struct score_elf_link_hash_entry *) h;
2910 if (!bfd_link_relocatable (info)
2911 && hscore->possibly_dynamic_relocs != 0
2912 && (h->root.type == bfd_link_hash_defweak || !h->def_regular))
2914 score_elf_allocate_dynamic_relocations (dynobj, hscore->possibly_dynamic_relocs);
2915 if (hscore->readonly_reloc)
2916 /* We tell the dynamic linker that there are relocations
2917 against the text segment. */
2918 info->flags |= DF_TEXTREL;
2921 /* For a function, create a stub, if allowed. */
2922 if (!hscore->no_fn_stub && h->needs_plt)
2924 if (!elf_hash_table (info)->dynamic_sections_created)
2927 /* If this symbol is not defined in a regular file, then set
2928 the symbol to the stub location. This is required to make
2929 function pointers compare as equal between the normal
2930 executable and the shared library. */
2931 if (!h->def_regular)
2933 /* We need .stub section. */
2934 s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME);
2935 BFD_ASSERT (s != NULL);
2937 h->root.u.def.section = s;
2938 h->root.u.def.value = s->size;
2940 /* XXX Write this stub address somewhere. */
2941 h->plt.offset = s->size;
2943 /* Make room for this stub code. */
2944 s->size += SCORE_FUNCTION_STUB_SIZE;
2946 /* The last half word of the stub will be filled with the index
2947 of this symbol in .dynsym section. */
2951 else if ((h->type == STT_FUNC) && !h->needs_plt)
2953 /* This will set the entry for this symbol in the GOT to 0, and
2954 the dynamic linker will take care of this. */
2955 h->root.u.def.value = 0;
2959 /* If this is a weak symbol, and there is a real definition, the
2960 processor independent code will have arranged for us to see the
2961 real definition first, and we can just use the same value. */
2962 if (h->is_weakalias)
2964 struct elf_link_hash_entry *def = weakdef (h);
2965 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2966 h->root.u.def.section = def->root.u.def.section;
2967 h->root.u.def.value = def->root.u.def.value;
2971 /* This is a reference to a symbol defined by a dynamic object which
2972 is not a function. */
2976 /* This function is called after all the input files have been read,
2977 and the input sections have been assigned to output sections. */
2980 s7_bfd_score_elf_always_size_sections (bfd *output_bfd,
2981 struct bfd_link_info *info)
2985 struct score_got_info *g;
2987 bfd_size_type loadable_size = 0;
2988 bfd_size_type local_gotno;
2991 dynobj = elf_hash_table (info)->dynobj;
2993 /* Relocatable links don't have it. */
2996 g = score_elf_got_info (dynobj, &s);
3000 /* Calculate the total loadable size of the output. That will give us the
3001 maximum number of GOT_PAGE entries required. */
3002 for (sub = info->input_bfds; sub; sub = sub->link.next)
3004 asection *subsection;
3006 for (subsection = sub->sections;
3008 subsection = subsection->next)
3010 if ((subsection->flags & SEC_ALLOC) == 0)
3012 loadable_size += ((subsection->size + 0xf)
3013 &~ (bfd_size_type) 0xf);
3017 /* There has to be a global GOT entry for every symbol with
3018 a dynamic symbol table index of DT_SCORE_GOTSYM or
3019 higher. Therefore, it make sense to put those symbols
3020 that need GOT entries at the end of the symbol table. We
3022 if (! score_elf_sort_hash_table (info, 1))
3025 if (g->global_gotsym != NULL)
3026 i = elf_hash_table (info)->dynsymcount - g->global_gotsym->dynindx;
3028 /* If there are no global symbols, or none requiring
3029 relocations, then GLOBAL_GOTSYM will be NULL. */
3032 /* In the worst case, we'll get one stub per dynamic symbol. */
3033 loadable_size += SCORE_FUNCTION_STUB_SIZE * i;
3035 /* Assume there are two loadable segments consisting of
3036 contiguous sections. Is 5 enough? */
3037 local_gotno = (loadable_size >> 16) + 5;
3039 g->local_gotno += local_gotno;
3040 s->size += g->local_gotno * SCORE_ELF_GOT_SIZE (output_bfd);
3042 g->global_gotno = i;
3043 s->size += i * SCORE_ELF_GOT_SIZE (output_bfd);
3045 score_elf_resolve_final_got_entries (g);
3047 if (s->size > SCORE_ELF_GOT_MAX_SIZE (output_bfd))
3049 /* Fixme. Error message or Warning message should be issued here. */
3055 /* Set the sizes of the dynamic sections. */
3058 s7_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3062 bfd_boolean reltext;
3064 dynobj = elf_hash_table (info)->dynobj;
3065 BFD_ASSERT (dynobj != NULL);
3067 if (elf_hash_table (info)->dynamic_sections_created)
3069 /* Set the contents of the .interp section to the interpreter. */
3070 if (bfd_link_executable (info) && !info->nointerp)
3072 s = bfd_get_linker_section (dynobj, ".interp");
3073 BFD_ASSERT (s != NULL);
3074 s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3075 s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
3079 /* The check_relocs and adjust_dynamic_symbol entry points have
3080 determined the sizes of the various dynamic sections. Allocate
3083 for (s = dynobj->sections; s != NULL; s = s->next)
3087 if ((s->flags & SEC_LINKER_CREATED) == 0)
3090 /* It's OK to base decisions on the section name, because none
3091 of the dynobj section names depend upon the input files. */
3092 name = bfd_get_section_name (dynobj, s);
3094 if (CONST_STRNEQ (name, ".rel"))
3098 /* We only strip the section if the output section name
3099 has the same name. Otherwise, there might be several
3100 input sections for this output section. FIXME: This
3101 code is probably not needed these days anyhow, since
3102 the linker now does not create empty output sections. */
3103 if (s->output_section != NULL
3105 bfd_get_section_name (s->output_section->owner,
3106 s->output_section)) == 0)
3107 s->flags |= SEC_EXCLUDE;
3111 const char *outname;
3114 /* If this relocation section applies to a read only
3115 section, then we probably need a DT_TEXTREL entry.
3116 If the relocation section is .rel.dyn, we always
3117 assert a DT_TEXTREL entry rather than testing whether
3118 there exists a relocation to a read only section or
3120 outname = bfd_get_section_name (output_bfd, s->output_section);
3121 target = bfd_get_section_by_name (output_bfd, outname + 4);
3123 && (target->flags & SEC_READONLY) != 0
3124 && (target->flags & SEC_ALLOC) != 0) || strcmp (outname, ".rel.dyn") == 0)
3127 /* We use the reloc_count field as a counter if we need
3128 to copy relocs into the output file. */
3129 if (strcmp (name, ".rel.dyn") != 0)
3133 else if (CONST_STRNEQ (name, ".got"))
3135 /* s7_bfd_score_elf_always_size_sections() has already done
3136 most of the work, but some symbols may have been mapped
3137 to versions that we must now resolve in the got_entries
3140 else if (strcmp (name, SCORE_ELF_STUB_SECTION_NAME) == 0)
3142 /* IRIX rld assumes that the function stub isn't at the end
3143 of .text section. So put a dummy. XXX */
3144 s->size += SCORE_FUNCTION_STUB_SIZE;
3146 else if (! CONST_STRNEQ (name, ".init"))
3148 /* It's not one of our sections, so don't allocate space. */
3152 /* Allocate memory for the section contents. */
3153 s->contents = bfd_zalloc (dynobj, s->size);
3154 if (s->contents == NULL && s->size != 0)
3156 bfd_set_error (bfd_error_no_memory);
3161 if (elf_hash_table (info)->dynamic_sections_created)
3163 /* Add some entries to the .dynamic section. We fill in the
3164 values later, in s7_bfd_score_elf_finish_dynamic_sections, but we
3165 must add the entries now so that we get the correct size for
3166 the .dynamic section. The DT_DEBUG entry is filled in by the
3167 dynamic linker and used by the debugger. */
3169 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_DEBUG, 0))
3173 info->flags |= DF_TEXTREL;
3175 if ((info->flags & DF_TEXTREL) != 0)
3177 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_TEXTREL, 0))
3181 if (! SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_PLTGOT, 0))
3184 if (score_elf_rel_dyn_section (dynobj, FALSE))
3186 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_REL, 0))
3189 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELSZ, 0))
3192 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELENT, 0))
3196 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_BASE_ADDRESS, 0))
3199 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_LOCAL_GOTNO, 0))
3202 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_SYMTABNO, 0))
3205 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_UNREFEXTNO, 0))
3208 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_GOTSYM, 0))
3211 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_HIPAGENO, 0))
3219 s7_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3221 struct elf_link_hash_entry *h;
3222 struct bfd_link_hash_entry *bh;
3226 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3227 | SEC_LINKER_CREATED | SEC_READONLY);
3229 /* ABI requests the .dynamic section to be read only. */
3230 s = bfd_get_linker_section (abfd, ".dynamic");
3233 if (!bfd_set_section_flags (abfd, s, flags))
3237 /* We need to create .got section. */
3238 if (!score_elf_create_got_section (abfd, info, FALSE))
3241 if (!score_elf_rel_dyn_section (elf_hash_table (info)->dynobj, TRUE))
3244 /* Create .stub section. */
3245 if (bfd_get_linker_section (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL)
3247 s = bfd_make_section_anyway_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME,
3250 || !bfd_set_section_alignment (abfd, s, 2))
3255 if (!bfd_link_pic (info))
3259 name = "_DYNAMIC_LINK";
3261 if (!(_bfd_generic_link_add_one_symbol
3262 (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
3263 (bfd_vma) 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
3266 h = (struct elf_link_hash_entry *) bh;
3269 h->type = STT_SECTION;
3271 if (!bfd_elf_link_record_dynamic_symbol (info, h))
3279 /* Finish up dynamic symbol handling. We set the contents of various
3280 dynamic sections here. */
3283 s7_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
3284 struct bfd_link_info *info,
3285 struct elf_link_hash_entry *h,
3286 Elf_Internal_Sym *sym)
3290 struct score_got_info *g;
3293 dynobj = elf_hash_table (info)->dynobj;
3295 if (h->plt.offset != MINUS_ONE)
3298 bfd_byte stub[SCORE_FUNCTION_STUB_SIZE];
3300 /* This symbol has a stub. Set it up. */
3301 BFD_ASSERT (h->dynindx != -1);
3303 s = bfd_get_linker_section (dynobj, SCORE_ELF_STUB_SECTION_NAME);
3304 BFD_ASSERT (s != NULL);
3306 /* FIXME: Can h->dynindex be more than 64K? */
3307 if (h->dynindx & 0xffff0000)
3310 /* Fill the stub. */
3311 bfd_put_32 (output_bfd, STUB_LW, stub);
3312 bfd_put_32 (output_bfd, STUB_MOVE, stub + 4);
3313 bfd_put_32 (output_bfd, STUB_LI16 | (h->dynindx << 1), stub + 8);
3314 bfd_put_32 (output_bfd, STUB_BRL, stub + 12);
3316 BFD_ASSERT (h->plt.offset <= s->size);
3317 memcpy (s->contents + h->plt.offset, stub, SCORE_FUNCTION_STUB_SIZE);
3319 /* Mark the symbol as undefined. plt.offset != -1 occurs
3320 only for the referenced symbol. */
3321 sym->st_shndx = SHN_UNDEF;
3323 /* The run-time linker uses the st_value field of the symbol
3324 to reset the global offset table entry for this external
3325 to its stub address when unlinking a shared object. */
3326 sym->st_value = (s->output_section->vma + s->output_offset + h->plt.offset);
3329 BFD_ASSERT (h->dynindx != -1 || h->forced_local);
3331 sgot = score_elf_got_section (dynobj, FALSE);
3332 BFD_ASSERT (sgot != NULL);
3333 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3334 g = score_elf_section_data (sgot)->u.got_info;
3335 BFD_ASSERT (g != NULL);
3337 /* Run through the global symbol table, creating GOT entries for all
3338 the symbols that need them. */
3339 if (g->global_gotsym != NULL && h->dynindx >= g->global_gotsym->dynindx)
3344 value = sym->st_value;
3345 offset = score_elf_global_got_index (dynobj, h);
3346 bfd_put_32 (output_bfd, value, sgot->contents + offset);
3349 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3350 name = h->root.root.string;
3351 if (h == elf_hash_table (info)->hdynamic
3352 || h == elf_hash_table (info)->hgot)
3353 sym->st_shndx = SHN_ABS;
3354 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
3356 sym->st_shndx = SHN_ABS;
3357 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3360 else if (strcmp (name, GP_DISP_LABEL) == 0)
3362 sym->st_shndx = SHN_ABS;
3363 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3364 sym->st_value = elf_gp (output_bfd);
3370 /* Finish up the dynamic sections. */
3373 s7_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
3374 struct bfd_link_info *info)
3380 struct score_got_info *g;
3382 dynobj = elf_hash_table (info)->dynobj;
3384 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
3386 sgot = score_elf_got_section (dynobj, FALSE);
3391 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3392 g = score_elf_section_data (sgot)->u.got_info;
3393 BFD_ASSERT (g != NULL);
3396 if (elf_hash_table (info)->dynamic_sections_created)
3400 BFD_ASSERT (sdyn != NULL);
3401 BFD_ASSERT (g != NULL);
3403 for (b = sdyn->contents;
3404 b < sdyn->contents + sdyn->size;
3405 b += SCORE_ELF_DYN_SIZE (dynobj))
3407 Elf_Internal_Dyn dyn;
3410 bfd_boolean swap_out_p;
3412 /* Read in the current dynamic entry. */
3413 (*get_elf_backend_data (dynobj)->s->swap_dyn_in) (dynobj, b, &dyn);
3415 /* Assume that we're going to modify it and write it out. */
3421 dyn.d_un.d_val = SCORE_ELF_REL_SIZE (dynobj);
3425 /* Rewrite DT_STRSZ. */
3427 = _bfd_elf_strtab_size (elf_hash_table (info)->dynstr);
3431 s = elf_hash_table (info)->sgot;
3432 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
3435 case DT_SCORE_BASE_ADDRESS:
3436 s = output_bfd->sections;
3437 BFD_ASSERT (s != NULL);
3438 dyn.d_un.d_ptr = s->vma & ~(bfd_vma) 0xffff;
3441 case DT_SCORE_LOCAL_GOTNO:
3442 dyn.d_un.d_val = g->local_gotno;
3445 case DT_SCORE_UNREFEXTNO:
3446 /* The index into the dynamic symbol table which is the
3447 entry of the first external symbol that is not
3448 referenced within the same object. */
3449 dyn.d_un.d_val = bfd_count_sections (output_bfd) + 1;
3452 case DT_SCORE_GOTSYM:
3453 if (g->global_gotsym)
3455 dyn.d_un.d_val = g->global_gotsym->dynindx;
3458 /* In case if we don't have global got symbols we default
3459 to setting DT_SCORE_GOTSYM to the same value as
3460 DT_SCORE_SYMTABNO. */
3463 case DT_SCORE_SYMTABNO:
3465 elemsize = SCORE_ELF_SYM_SIZE (output_bfd);
3466 s = bfd_get_linker_section (dynobj, name);
3467 dyn.d_un.d_val = s->size / elemsize;
3470 case DT_SCORE_HIPAGENO:
3471 dyn.d_un.d_val = g->local_gotno - SCORE_RESERVED_GOTNO;
3480 (*get_elf_backend_data (dynobj)->s->swap_dyn_out) (dynobj, &dyn, b);
3484 /* The first entry of the global offset table will be filled at
3485 runtime. The second entry will be used by some runtime loaders.
3486 This isn't the case of IRIX rld. */
3487 if (sgot != NULL && sgot->size > 0)
3489 bfd_put_32 (output_bfd, 0, sgot->contents);
3490 bfd_put_32 (output_bfd, 0x80000000, sgot->contents + SCORE_ELF_GOT_SIZE (output_bfd));
3494 elf_section_data (sgot->output_section)->this_hdr.sh_entsize
3495 = SCORE_ELF_GOT_SIZE (output_bfd);
3498 /* We need to sort the entries of the dynamic relocation section. */
3499 s = score_elf_rel_dyn_section (dynobj, FALSE);
3501 if (s != NULL && s->size > (bfd_vma)2 * SCORE_ELF_REL_SIZE (output_bfd))
3503 reldyn_sorting_bfd = output_bfd;
3504 qsort ((Elf32_External_Rel *) s->contents + 1, s->reloc_count - 1,
3505 sizeof (Elf32_External_Rel), score_elf_sort_dynamic_relocs);
3511 /* This function set up the ELF section header for a BFD section in preparation for writing
3512 it out. This is where the flags and type fields are set for unusual sections. */
3515 s7_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
3516 Elf_Internal_Shdr *hdr,
3521 name = bfd_get_section_name (abfd, sec);
3523 if (strcmp (name, ".got") == 0
3524 || strcmp (name, ".srdata") == 0
3525 || strcmp (name, ".sdata") == 0
3526 || strcmp (name, ".sbss") == 0)
3527 hdr->sh_flags |= SHF_SCORE_GPREL;
3532 /* This function do additional processing on the ELF section header before writing
3533 it out. This is used to set the flags and type fields for some sections. */
3535 /* assign_file_positions_except_relocs() check section flag and if it is allocatable,
3536 warning message will be issued. backend_fake_section is called before
3537 assign_file_positions_except_relocs(); backend_section_processing after it. so, we
3538 modify section flag there, but not backend_fake_section. */
3541 s7_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
3543 if (hdr->bfd_section != NULL)
3545 const char *name = bfd_get_section_name (abfd, hdr->bfd_section);
3547 if (strcmp (name, ".sdata") == 0)
3549 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3550 hdr->sh_type = SHT_PROGBITS;
3552 else if (strcmp (name, ".sbss") == 0)
3554 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3555 hdr->sh_type = SHT_NOBITS;
3557 else if (strcmp (name, ".srdata") == 0)
3559 hdr->sh_flags |= SHF_ALLOC | SHF_SCORE_GPREL;
3560 hdr->sh_type = SHT_PROGBITS;
3568 s7_bfd_score_elf_write_section (bfd *output_bfd, asection *sec, bfd_byte *contents)
3570 bfd_byte *to, *from, *end;
3573 if (strcmp (sec->name, ".pdr") != 0)
3576 if (score_elf_section_data (sec)->u.tdata == NULL)
3580 end = contents + sec->size;
3581 for (from = contents, i = 0; from < end; from += PDR_SIZE, i++)
3583 if ((score_elf_section_data (sec)->u.tdata)[i] == 1)
3587 memcpy (to, from, PDR_SIZE);
3591 bfd_set_section_contents (output_bfd, sec->output_section, contents,
3592 (file_ptr) sec->output_offset, sec->size);
3597 /* Copy data from a SCORE ELF indirect symbol to its direct symbol, hiding the old
3598 indirect symbol. Process additional relocation information. */
3601 s7_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
3602 struct elf_link_hash_entry *dir,
3603 struct elf_link_hash_entry *ind)
3605 struct score_elf_link_hash_entry *dirscore, *indscore;
3607 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3609 if (ind->root.type != bfd_link_hash_indirect)
3612 dirscore = (struct score_elf_link_hash_entry *) dir;
3613 indscore = (struct score_elf_link_hash_entry *) ind;
3614 dirscore->possibly_dynamic_relocs += indscore->possibly_dynamic_relocs;
3616 if (indscore->readonly_reloc)
3617 dirscore->readonly_reloc = TRUE;
3619 if (indscore->no_fn_stub)
3620 dirscore->no_fn_stub = TRUE;
3623 /* Remove information about discarded functions from other sections which mention them. */
3626 s7_bfd_score_elf_discard_info (bfd *abfd,
3627 struct elf_reloc_cookie *cookie,
3628 struct bfd_link_info *info)
3631 bfd_boolean ret = FALSE;
3632 unsigned char *tdata;
3635 o = bfd_get_section_by_name (abfd, ".pdr");
3636 if ((!o) || (o->size == 0) || (o->size % PDR_SIZE != 0)
3637 || (o->output_section != NULL && bfd_is_abs_section (o->output_section)))
3640 tdata = bfd_zmalloc (o->size / PDR_SIZE);
3644 cookie->rels = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, info->keep_memory);
3651 cookie->rel = cookie->rels;
3652 cookie->relend = cookie->rels + o->reloc_count;
3654 for (i = 0, skip = 0; i < o->size; i++)
3656 if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
3665 score_elf_section_data (o)->u.tdata = tdata;
3666 o->size -= skip * PDR_SIZE;
3672 if (!info->keep_memory)
3673 free (cookie->rels);
3678 /* Signal that discard_info() has removed the discarded relocations for this section. */
3681 s7_bfd_score_elf_ignore_discarded_relocs (asection *sec)
3683 if (strcmp (sec->name, ".pdr") == 0)
3688 /* Return the section that should be marked against GC for a given
3692 s7_bfd_score_elf_gc_mark_hook (asection *sec,
3693 struct bfd_link_info *info,
3694 Elf_Internal_Rela *rel,
3695 struct elf_link_hash_entry *h,
3696 Elf_Internal_Sym *sym)
3699 switch (ELF32_R_TYPE (rel->r_info))
3701 case R_SCORE_GNU_VTINHERIT:
3702 case R_SCORE_GNU_VTENTRY:
3706 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3709 /* Support for core dump NOTE sections. */
3712 s7_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3715 unsigned int raw_size;
3717 switch (note->descsz)
3721 case 272: /* Linux/Score elf_prstatus */
3724 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
3727 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
3732 /* sizeof(elf_gregset_t) */
3738 /* Make a ".reg/999" section. */
3739 return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size,
3740 note->descpos + offset);
3744 s7_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3746 switch (note->descsz)
3751 case 128: /* Linux/Score elf_prpsinfo. */
3753 elf_tdata (abfd)->core->program
3754 = _bfd_elfcore_strndup (abfd, note->descdata + 32, 16);
3757 elf_tdata (abfd)->core->command
3758 = _bfd_elfcore_strndup (abfd, note->descdata + 48, 80);
3762 /* Note that for some reason, a spurious space is tacked
3763 onto the end of the args in some (at least one anyway)
3764 implementations, so strip it off if it exists. */
3767 char *command = elf_tdata (abfd)->core->command;
3768 int n = strlen (command);
3770 if (0 < n && command[n - 1] == ' ')
3771 command[n - 1] = '\0';
3778 /* Score BFD functions. */
3781 s7_elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
3785 for (i = 0; i < ARRAY_SIZE (elf32_score_reloc_map); i++)
3786 if (elf32_score_reloc_map[i].bfd_reloc_val == code)
3787 return &elf32_score_howto_table[elf32_score_reloc_map[i].elf_reloc_val];
3793 s7_elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
3795 FILE *file = (FILE *) ptr;
3797 BFD_ASSERT (abfd != NULL && ptr != NULL);
3799 /* Print normal ELF private data. */
3800 _bfd_elf_print_private_bfd_data (abfd, ptr);
3802 /* xgettext:c-format */
3803 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
3804 if (elf_elfheader (abfd)->e_flags & EF_SCORE_PIC)
3806 fprintf (file, _(" [pic]"));
3808 if (elf_elfheader (abfd)->e_flags & EF_SCORE_FIXDEP)
3810 fprintf (file, _(" [fix dep]"));
3818 s7_elf32_score_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
3820 bfd *obfd = info->output_bfd;
3824 if (!_bfd_generic_verify_endian_match (ibfd, info))
3827 in_flags = elf_elfheader (ibfd)->e_flags;
3828 out_flags = elf_elfheader (obfd)->e_flags;
3830 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3831 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3834 in_flags = elf_elfheader (ibfd)->e_flags;
3835 out_flags = elf_elfheader (obfd)->e_flags;
3837 if (! elf_flags_init (obfd))
3839 elf_flags_init (obfd) = TRUE;
3840 elf_elfheader (obfd)->e_flags = in_flags;
3842 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
3843 && bfd_get_arch_info (obfd)->the_default)
3845 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
3851 if (((in_flags & EF_SCORE_PIC) != 0) != ((out_flags & EF_SCORE_PIC) != 0))
3853 _bfd_error_handler (_("%B: warning: linking PIC files with non-PIC files"), ibfd);
3856 /* Maybe dependency fix compatibility should be checked here. */
3861 s7_elf32_score_new_section_hook (bfd *abfd, asection *sec)
3863 struct _score_elf_section_data *sdata;
3864 bfd_size_type amt = sizeof (*sdata);
3866 sdata = bfd_zalloc (abfd, amt);
3869 sec->used_by_bfd = sdata;
3871 return _bfd_elf_new_section_hook (abfd, sec);
3874 #define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all