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[binutils.git] / bfd / elf32-score.c
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1 /* 32-bit ELF support for S+core.
2 Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3 Contributed by
4 Brain.lin (brain.lin@sunplusct.com)
5 Mei Ligang (ligang@sunnorth.com.cn)
6 Pei-Lin Tsai (pltsai@sunplus.com)
8 This file is part of BFD, the Binary File Descriptor library.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
25 #include "sysdep.h"
26 #include "bfd.h"
27 #include "libbfd.h"
28 #include "libiberty.h"
29 #include "elf-bfd.h"
30 #include "elf/score.h"
31 #include "elf/common.h"
32 #include "elf/internal.h"
33 #include "hashtab.h"
34 #include "elf32-score.h"
37 int score3 = 0;
38 int score7 = 1;
40 /* The SCORE ELF linker needs additional information for each symbol in
41 the global hash table. */
42 struct score_elf_link_hash_entry
44 struct elf_link_hash_entry root;
46 /* Number of R_SCORE_ABS32, R_SCORE_REL32 relocs against this symbol. */
47 unsigned int possibly_dynamic_relocs;
49 /* If the R_SCORE_ABS32, R_SCORE_REL32 reloc is against a readonly section. */
50 bfd_boolean readonly_reloc;
52 /* We must not create a stub for a symbol that has relocations related to
53 taking the function's address, i.e. any but R_SCORE_CALL15 ones. */
54 bfd_boolean no_fn_stub;
56 /* Are we forced local? This will only be set if we have converted
57 the initial global GOT entry to a local GOT entry. */
58 bfd_boolean forced_local;
61 /* Traverse a score ELF linker hash table. */
62 #define score_elf_link_hash_traverse(table, func, info) \
63 (elf_link_hash_traverse \
64 ((table), \
65 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \
66 (info)))
68 /* This structure is used to hold .got entries while estimating got sizes. */
69 struct score_got_entry
71 /* The input bfd in which the symbol is defined. */
72 bfd *abfd;
73 /* The index of the symbol, as stored in the relocation r_info, if
74 we have a local symbol; -1 otherwise. */
75 long symndx;
76 union
78 /* If abfd == NULL, an address that must be stored in the got. */
79 bfd_vma address;
80 /* If abfd != NULL && symndx != -1, the addend of the relocation
81 that should be added to the symbol value. */
82 bfd_vma addend;
83 /* If abfd != NULL && symndx == -1, the hash table entry
84 corresponding to a global symbol in the got (or, local, if
85 h->forced_local). */
86 struct score_elf_link_hash_entry *h;
87 } d;
89 /* The offset from the beginning of the .got section to the entry
90 corresponding to this symbol+addend. If it's a global symbol
91 whose offset is yet to be decided, it's going to be -1. */
92 long gotidx;
95 /* This structure is passed to score_elf_sort_hash_table_f when sorting
96 the dynamic symbols. */
98 struct score_elf_hash_sort_data
100 /* The symbol in the global GOT with the lowest dynamic symbol table index. */
101 struct elf_link_hash_entry *low;
102 /* The least dynamic symbol table index corresponding to a symbol with a GOT entry. */
103 long min_got_dynindx;
104 /* The greatest dynamic symbol table index corresponding to a symbol
105 with a GOT entry that is not referenced (e.g., a dynamic symbol
106 with dynamic relocations pointing to it from non-primary GOTs). */
107 long max_unref_got_dynindx;
108 /* The greatest dynamic symbol table index not corresponding to a
109 symbol without a GOT entry. */
110 long max_non_got_dynindx;
113 struct score_got_info
115 /* The global symbol in the GOT with the lowest index in the dynamic
116 symbol table. */
117 struct elf_link_hash_entry *global_gotsym;
118 /* The number of global .got entries. */
119 unsigned int global_gotno;
120 /* The number of local .got entries. */
121 unsigned int local_gotno;
122 /* The number of local .got entries we have used. */
123 unsigned int assigned_gotno;
124 /* A hash table holding members of the got. */
125 struct htab *got_entries;
126 /* In multi-got links, a pointer to the next got (err, rather, most
127 of the time, it points to the previous got). */
128 struct score_got_info *next;
131 /* A structure used to count GOT entries, for GOT entry or ELF symbol table traversal. */
132 struct _score_elf_section_data
134 struct bfd_elf_section_data elf;
135 union
137 struct score_got_info *got_info;
138 bfd_byte *tdata;
143 #define score_elf_section_data(sec) \
144 ((struct _score_elf_section_data *) elf_section_data (sec))
146 /* The size of a symbol-table entry. */
147 #define SCORE_ELF_SYM_SIZE(abfd) \
148 (get_elf_backend_data (abfd)->s->sizeof_sym)
150 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
151 from smaller values. Start with zero, widen, *then* decrement. */
152 #define MINUS_ONE (((bfd_vma)0) - 1)
153 #define MINUS_TWO (((bfd_vma)0) - 2)
155 #define PDR_SIZE 32
158 /* The number of local .got entries we reserve. */
159 #define SCORE_RESERVED_GOTNO (2)
160 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
162 /* The offset of $gp from the beginning of the .got section. */
163 #define ELF_SCORE_GP_OFFSET(abfd) (0x3ff0)
164 /* The maximum size of the GOT for it to be addressable using 15-bit offsets from $gp. */
165 #define SCORE_ELF_GOT_MAX_SIZE(abfd) (ELF_SCORE_GP_OFFSET(abfd) + 0x3fff)
167 #define SCORE_ELF_STUB_SECTION_NAME (".SCORE.stub")
168 #define SCORE_FUNCTION_STUB_SIZE (16)
170 #define STUB_LW 0xc3bcc010 /* lw r29, [r28, -0x3ff0] */
171 #define STUB_MOVE 0x8363bc56 /* mv r27, r3 */
172 #define STUB_LI16 0x87548000 /* ori r26, .dynsym_index */
173 #define STUB_BRL 0x801dbc09 /* brl r29 */
175 #define SCORE_ELF_GOT_SIZE(abfd) \
176 (get_elf_backend_data (abfd)->s->arch_size / 8)
178 #define SCORE_ELF_ADD_DYNAMIC_ENTRY(info, tag, val) \
179 (_bfd_elf_add_dynamic_entry (info, (bfd_vma) tag, (bfd_vma) val))
181 /* The size of an external dynamic table entry. */
182 #define SCORE_ELF_DYN_SIZE(abfd) \
183 (get_elf_backend_data (abfd)->s->sizeof_dyn)
185 /* The size of an external REL relocation. */
186 #define SCORE_ELF_REL_SIZE(abfd) \
187 (get_elf_backend_data (abfd)->s->sizeof_rel)
189 /* The default alignment for sections, as a power of two. */
190 #define SCORE_ELF_LOG_FILE_ALIGN(abfd)\
191 (get_elf_backend_data (abfd)->s->log_file_align)
193 static bfd_byte *hi16_rel_addr;
195 /* This will be used when we sort the dynamic relocation records. */
196 static bfd *reldyn_sorting_bfd;
198 /* SCORE ELF uses two common sections. One is the usual one, and the
199 other is for small objects. All the small objects are kept
200 together, and then referenced via the gp pointer, which yields
201 faster assembler code. This is what we use for the small common
202 section. This approach is copied from ecoff.c. */
203 static asection score_elf_scom_section;
204 static asymbol score_elf_scom_symbol;
205 static asymbol *score_elf_scom_symbol_ptr;
207 static bfd_vma
208 score_bfd_get_16 (bfd *abfd, const void *data)
210 return bfd_get_16 (abfd, data);
213 static bfd_vma
214 score3_bfd_getl32 (const void *p)
216 const bfd_byte *addr = p;
217 unsigned long v;
219 v = (unsigned long) addr[2];
220 v |= (unsigned long) addr[3] << 8;
221 v |= (unsigned long) addr[0] << 16;
222 v |= (unsigned long) addr[1] << 24;
223 return v;
226 static bfd_vma
227 score3_bfd_getl48 (const void *p)
229 const bfd_byte *addr = p;
230 unsigned long long v;
232 v = (unsigned long long) addr[4];
233 v |= (unsigned long long) addr[5] << 8;
234 v |= (unsigned long long) addr[2] << 16;
235 v |= (unsigned long long) addr[3] << 24;
236 v |= (unsigned long long) addr[0] << 32;
237 v |= (unsigned long long) addr[1] << 40;
238 return v;
241 static bfd_vma
242 score_bfd_get_32 (bfd *abfd, const void *data)
244 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
245 return score3_bfd_getl32 (data);
246 else
247 return bfd_get_32 (abfd, data);
250 static bfd_vma
251 score_bfd_get_48 (bfd *abfd, const void *p)
253 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
254 return score3_bfd_getl48 (p);
255 else
256 return bfd_get_bits (p, 48, 1);
259 static void
260 score_bfd_put_16 (bfd *abfd, bfd_vma addr, void *data)
262 return bfd_put_16 (abfd, addr, data);
265 static void
266 score3_bfd_putl32 (bfd_vma data, void *p)
268 bfd_byte *addr = p;
269 addr[0] = (data >> 16) & 0xff;
270 addr[1] = (data >> 24) & 0xff;
271 addr[2] = data & 0xff;
272 addr[3] = (data >> 8) & 0xff;
275 static void
276 score3_bfd_putl48 (bfd_vma data, void *p)
278 bfd_byte *addr = p;
279 addr[0] = (data >> 32) & 0xff;
280 addr[1] = (data >> 40) & 0xff;
281 addr[2] = (data >> 16) & 0xff;
282 addr[3] = (data >> 24) & 0xff;
283 addr[4] = data & 0xff;
284 addr[5] = (data >> 8) & 0xff;
287 static void
288 score_bfd_put_32 (bfd *abfd, bfd_vma addr, void *data)
290 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
291 return score3_bfd_putl32 (addr, data);
292 else
293 return bfd_put_32 (abfd, addr, data);
296 static void
297 score_bfd_put_48 (bfd *abfd, bfd_vma val, void *p)
299 if (/* score3 && */ abfd->xvec->byteorder == BFD_ENDIAN_LITTLE)
300 return score3_bfd_putl48 (val, p);
301 else
302 return bfd_put_bits (val, p, 48, 1);
305 static bfd_reloc_status_type
306 score_elf_hi16_reloc (bfd *abfd ATTRIBUTE_UNUSED,
307 arelent *reloc_entry,
308 asymbol *symbol ATTRIBUTE_UNUSED,
309 void * data,
310 asection *input_section ATTRIBUTE_UNUSED,
311 bfd *output_bfd ATTRIBUTE_UNUSED,
312 char **error_message ATTRIBUTE_UNUSED)
314 hi16_rel_addr = (bfd_byte *) data + reloc_entry->address;
315 return bfd_reloc_ok;
318 static bfd_reloc_status_type
319 score_elf_lo16_reloc (bfd *abfd,
320 arelent *reloc_entry,
321 asymbol *symbol ATTRIBUTE_UNUSED,
322 void * data,
323 asection *input_section,
324 bfd *output_bfd ATTRIBUTE_UNUSED,
325 char **error_message ATTRIBUTE_UNUSED)
327 bfd_vma addend = 0, offset = 0;
328 unsigned long val;
329 unsigned long hi16_offset, hi16_value, uvalue;
331 hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
332 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
333 addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
334 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
335 val = reloc_entry->addend;
336 if (reloc_entry->address > input_section->size)
337 return bfd_reloc_outofrange;
338 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
339 hi16_offset = (uvalue >> 16) << 1;
340 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
341 score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
342 offset = (uvalue & 0xffff) << 1;
343 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
344 score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
345 return bfd_reloc_ok;
348 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
349 dangerous relocation. */
351 static bfd_boolean
352 score_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
354 unsigned int count;
355 asymbol **sym;
356 unsigned int i;
358 /* If we've already figured out what GP will be, just return it. */
359 *pgp = _bfd_get_gp_value (output_bfd);
360 if (*pgp)
361 return TRUE;
363 count = bfd_get_symcount (output_bfd);
364 sym = bfd_get_outsymbols (output_bfd);
366 /* The linker script will have created a symbol named `_gp' with the
367 appropriate value. */
368 if (sym == NULL)
369 i = count;
370 else
372 for (i = 0; i < count; i++, sym++)
374 const char *name;
376 name = bfd_asymbol_name (*sym);
377 if (*name == '_' && strcmp (name, "_gp") == 0)
379 *pgp = bfd_asymbol_value (*sym);
380 _bfd_set_gp_value (output_bfd, *pgp);
381 break;
386 if (i >= count)
388 /* Only get the error once. */
389 *pgp = 4;
390 _bfd_set_gp_value (output_bfd, *pgp);
391 return FALSE;
394 return TRUE;
397 /* We have to figure out the gp value, so that we can adjust the
398 symbol value correctly. We look up the symbol _gp in the output
399 BFD. If we can't find it, we're stuck. We cache it in the ELF
400 target data. We don't need to adjust the symbol value for an
401 external symbol if we are producing relocatable output. */
402 static bfd_reloc_status_type
403 score_elf_final_gp (bfd *output_bfd,
404 asymbol *symbol,
405 bfd_boolean relocatable,
406 char **error_message,
407 bfd_vma *pgp)
409 if (bfd_is_und_section (symbol->section)
410 && ! relocatable)
412 *pgp = 0;
413 return bfd_reloc_undefined;
416 *pgp = _bfd_get_gp_value (output_bfd);
417 if (*pgp == 0
418 && (! relocatable
419 || (symbol->flags & BSF_SECTION_SYM) != 0))
421 if (relocatable)
423 /* Make up a value. */
424 *pgp = symbol->section->output_section->vma + 0x4000;
425 _bfd_set_gp_value (output_bfd, *pgp);
427 else if (!score_elf_assign_gp (output_bfd, pgp))
429 *error_message =
430 (char *) _("GP relative relocation when _gp not defined");
431 return bfd_reloc_dangerous;
435 return bfd_reloc_ok;
438 static bfd_reloc_status_type
439 score_elf_gprel15_with_gp (bfd *abfd,
440 asymbol *symbol,
441 arelent *reloc_entry,
442 asection *input_section,
443 bfd_boolean relocateable,
444 void * data,
445 bfd_vma gp ATTRIBUTE_UNUSED)
447 bfd_vma relocation;
448 unsigned long insn;
450 if (bfd_is_com_section (symbol->section))
451 relocation = 0;
452 else
453 relocation = symbol->value;
455 relocation += symbol->section->output_section->vma;
456 relocation += symbol->section->output_offset;
457 if (reloc_entry->address > input_section->size)
458 return bfd_reloc_outofrange;
460 insn = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
461 if (((reloc_entry->addend & 0xffffc000) != 0)
462 && ((reloc_entry->addend & 0xffffc000) != 0xffffc000))
463 return bfd_reloc_overflow;
465 insn = (insn & ~0x7fff) | (reloc_entry->addend & 0x7fff);
466 score_bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
467 if (relocateable)
468 reloc_entry->address += input_section->output_offset;
470 return bfd_reloc_ok;
473 static bfd_reloc_status_type
474 gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry,
475 asection *input_section, bfd_boolean relocatable,
476 void *data, bfd_vma gp)
478 bfd_vma relocation;
479 bfd_vma val;
481 if (bfd_is_com_section (symbol->section))
482 relocation = 0;
483 else
484 relocation = symbol->value;
486 relocation += symbol->section->output_section->vma;
487 relocation += symbol->section->output_offset;
489 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
490 return bfd_reloc_outofrange;
492 /* Set val to the offset into the section or symbol. */
493 val = reloc_entry->addend;
495 if (reloc_entry->howto->partial_inplace)
496 val += score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
498 /* Adjust val for the final section location and GP value. If we
499 are producing relocatable output, we don't want to do this for
500 an external symbol. */
501 if (! relocatable
502 || (symbol->flags & BSF_SECTION_SYM) != 0)
503 val += relocation - gp;
505 if (reloc_entry->howto->partial_inplace)
506 score_bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address);
507 else
508 reloc_entry->addend = val;
510 if (relocatable)
511 reloc_entry->address += input_section->output_offset;
513 return bfd_reloc_ok;
516 static bfd_reloc_status_type
517 score_elf_gprel15_reloc (bfd *abfd,
518 arelent *reloc_entry,
519 asymbol *symbol,
520 void * data,
521 asection *input_section,
522 bfd *output_bfd,
523 char **error_message)
525 bfd_boolean relocateable;
526 bfd_reloc_status_type ret;
527 bfd_vma gp;
529 if (output_bfd != NULL
530 && (symbol->flags & BSF_SECTION_SYM) == 0 && reloc_entry->addend == 0)
532 reloc_entry->address += input_section->output_offset;
533 return bfd_reloc_ok;
535 if (output_bfd != NULL)
536 relocateable = TRUE;
537 else
539 relocateable = FALSE;
540 output_bfd = symbol->section->output_section->owner;
543 ret = score_elf_final_gp (output_bfd, symbol, relocateable, error_message, &gp);
544 if (ret != bfd_reloc_ok)
545 return ret;
547 return score_elf_gprel15_with_gp (abfd, symbol, reloc_entry,
548 input_section, relocateable, data, gp);
551 /* Do a R_SCORE_GPREL32 relocation. This is a 32 bit value which must
552 become the offset from the gp register. */
554 static bfd_reloc_status_type
555 score_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
556 void *data, asection *input_section, bfd *output_bfd,
557 char **error_message)
559 bfd_boolean relocatable;
560 bfd_reloc_status_type ret;
561 bfd_vma gp;
563 /* R_SCORE_GPREL32 relocations are defined for local symbols only. */
564 if (output_bfd != NULL
565 && (symbol->flags & BSF_SECTION_SYM) == 0
566 && (symbol->flags & BSF_LOCAL) != 0)
568 *error_message = (char *)
569 _("32bits gp relative relocation occurs for an external symbol");
570 return bfd_reloc_outofrange;
573 if (output_bfd != NULL)
574 relocatable = TRUE;
575 else
577 relocatable = FALSE;
578 output_bfd = symbol->section->output_section->owner;
581 ret = score_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp);
582 if (ret != bfd_reloc_ok)
583 return ret;
585 gp = 0;
586 return gprel32_with_gp (abfd, symbol, reloc_entry, input_section,
587 relocatable, data, gp);
590 /* A howto special_function for R_SCORE_GOT15 relocations. This is just
591 like any other 16-bit relocation when applied to global symbols, but is
592 treated in the same as R_SCORE_HI16 when applied to local symbols. */
593 static bfd_reloc_status_type
594 score_elf_got15_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
595 void *data, asection *input_section,
596 bfd *output_bfd, char **error_message)
598 if ((symbol->flags & (BSF_GLOBAL | BSF_WEAK)) != 0
599 || bfd_is_und_section (bfd_get_section (symbol))
600 || bfd_is_com_section (bfd_get_section (symbol)))
601 /* The relocation is against a global symbol. */
602 return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
603 input_section, output_bfd,
604 error_message);
606 return score_elf_hi16_reloc (abfd, reloc_entry, symbol, data,
607 input_section, output_bfd, error_message);
610 static bfd_reloc_status_type
611 score_elf_got_lo16_reloc (bfd *abfd,
612 arelent *reloc_entry,
613 asymbol *symbol ATTRIBUTE_UNUSED,
614 void * data,
615 asection *input_section,
616 bfd *output_bfd ATTRIBUTE_UNUSED,
617 char **error_message ATTRIBUTE_UNUSED)
619 bfd_vma addend = 0, offset = 0;
620 signed long val;
621 signed long hi16_offset, hi16_value, uvalue;
623 hi16_value = score_bfd_get_32 (abfd, hi16_rel_addr);
624 hi16_offset = ((((hi16_value >> 16) & 0x3) << 15) | (hi16_value & 0x7fff)) >> 1;
625 addend = score_bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
626 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
627 val = reloc_entry->addend;
628 if (reloc_entry->address > input_section->size)
629 return bfd_reloc_outofrange;
630 uvalue = ((hi16_offset << 16) | (offset & 0xffff)) + val;
631 if ((uvalue > -0x8000) && (uvalue < 0x7fff))
632 hi16_offset = 0;
633 else
634 hi16_offset = (uvalue >> 16) & 0x7fff;
635 hi16_value = (hi16_value & ~0x37fff) | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
636 score_bfd_put_32 (abfd, hi16_value, hi16_rel_addr);
637 offset = (uvalue & 0xffff) << 1;
638 addend = (addend & ~0x37fff) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
639 score_bfd_put_32 (abfd, addend, (bfd_byte *) data + reloc_entry->address);
640 return bfd_reloc_ok;
643 static reloc_howto_type elf32_score_howto_table[] =
645 /* No relocation. */
646 HOWTO (R_SCORE_NONE, /* type */
647 0, /* rightshift */
648 0, /* size (0 = byte, 1 = short, 2 = long) */
649 0, /* bitsize */
650 FALSE, /* pc_relative */
651 0, /* bitpos */
652 complain_overflow_dont,/* complain_on_overflow */
653 bfd_elf_generic_reloc, /* special_function */
654 "R_SCORE_NONE", /* name */
655 FALSE, /* partial_inplace */
656 0, /* src_mask */
657 0, /* dst_mask */
658 FALSE), /* pcrel_offset */
660 /* R_SCORE_HI16 */
661 HOWTO (R_SCORE_HI16, /* type */
662 0, /* rightshift */
663 2, /* size (0 = byte, 1 = short, 2 = long) */
664 16, /* bitsize */
665 FALSE, /* pc_relative */
666 1, /* bitpos */
667 complain_overflow_dont,/* complain_on_overflow */
668 score_elf_hi16_reloc, /* special_function */
669 "R_SCORE_HI16", /* name */
670 TRUE, /* partial_inplace */
671 0x37fff, /* src_mask */
672 0x37fff, /* dst_mask */
673 FALSE), /* pcrel_offset */
675 /* R_SCORE_LO16 */
676 HOWTO (R_SCORE_LO16, /* type */
677 0, /* rightshift */
678 2, /* size (0 = byte, 1 = short, 2 = long) */
679 16, /* bitsize */
680 FALSE, /* pc_relative */
681 1, /* bitpos */
682 complain_overflow_dont,/* complain_on_overflow */
683 score_elf_lo16_reloc, /* special_function */
684 "R_SCORE_LO16", /* name */
685 TRUE, /* partial_inplace */
686 0x37fff, /* src_mask */
687 0x37fff, /* dst_mask */
688 FALSE), /* pcrel_offset */
690 /* R_SCORE_BCMP */
691 HOWTO (R_SCORE_BCMP, /* type */
692 1, /* rightshift */
693 2, /* size (0 = byte, 1 = short, 2 = long) */
694 16, /* bitsize */
695 TRUE, /* pc_relative */
696 1, /* bitpos */
697 complain_overflow_dont,/* complain_on_overflow */
698 bfd_elf_generic_reloc, /* special_function */
699 "R_SCORE_BCMP", /* name */
700 FALSE, /* partial_inplace */
701 0x03e00381, /* src_mask */
702 0x03e00381, /* dst_mask */
703 FALSE), /* pcrel_offset */
705 /*R_SCORE_24 */
706 HOWTO (R_SCORE_24, /* type */
707 1, /* rightshift */
708 2, /* size (0 = byte, 1 = short, 2 = long) */
709 24, /* bitsize */
710 FALSE, /* pc_relative */
711 1, /* bitpos */
712 complain_overflow_dont,/* complain_on_overflow */
713 bfd_elf_generic_reloc, /* special_function */
714 "R_SCORE_24", /* name */
715 FALSE, /* partial_inplace */
716 0x3ff7fff, /* src_mask */
717 0x3ff7fff, /* dst_mask */
718 FALSE), /* pcrel_offset */
720 /*R_SCORE_PC19 */
721 HOWTO (R_SCORE_PC19, /* type */
722 1, /* rightshift */
723 2, /* size (0 = byte, 1 = short, 2 = long) */
724 19, /* bitsize */
725 TRUE, /* pc_relative */
726 1, /* bitpos */
727 complain_overflow_dont,/* complain_on_overflow */
728 bfd_elf_generic_reloc, /* special_function */
729 "R_SCORE_PC19", /* name */
730 FALSE, /* partial_inplace */
731 0x3ff03fe, /* src_mask */
732 0x3ff03fe, /* dst_mask */
733 FALSE), /* pcrel_offset */
735 /*R_SCORE16_11 */
736 HOWTO (R_SCORE16_11, /* type */
737 1, /* rightshift */
738 1, /* size (0 = byte, 1 = short, 2 = long) */
739 11, /* bitsize */
740 FALSE, /* pc_relative */
741 1, /* bitpos */
742 complain_overflow_dont,/* complain_on_overflow */
743 bfd_elf_generic_reloc, /* special_function */
744 "R_SCORE16_11", /* name */
745 FALSE, /* partial_inplace */
746 0x000000ffe, /* src_mask */
747 0x000000ffe, /* dst_mask */
748 FALSE), /* pcrel_offset */
750 /* R_SCORE16_PC8 */
751 HOWTO (R_SCORE16_PC8, /* type */
752 1, /* rightshift */
753 1, /* size (0 = byte, 1 = short, 2 = long) */
754 9, /* bitsize */
755 TRUE, /* pc_relative */
756 0, /* bitpos */
757 complain_overflow_dont,/* complain_on_overflow */
758 bfd_elf_generic_reloc, /* special_function */
759 "R_SCORE16_PC8", /* name */
760 FALSE, /* partial_inplace */
761 0x000001ff, /* src_mask */
762 0x000001ff, /* dst_mask */
763 FALSE), /* pcrel_offset */
765 /* 32 bit absolute */
766 HOWTO (R_SCORE_ABS32, /* type 8 */
767 0, /* rightshift */
768 2, /* size (0 = byte, 1 = short, 2 = long) */
769 32, /* bitsize */
770 FALSE, /* pc_relative */
771 0, /* bitpos */
772 complain_overflow_bitfield, /* complain_on_overflow */
773 bfd_elf_generic_reloc, /* special_function */
774 "R_SCORE_ABS32", /* name */
775 FALSE, /* partial_inplace */
776 0xffffffff, /* src_mask */
777 0xffffffff, /* dst_mask */
778 FALSE), /* pcrel_offset */
780 /* 16 bit absolute */
781 HOWTO (R_SCORE_ABS16, /* type 11 */
782 0, /* rightshift */
783 1, /* size (0 = byte, 1 = short, 2 = long) */
784 16, /* bitsize */
785 FALSE, /* pc_relative */
786 0, /* bitpos */
787 complain_overflow_bitfield, /* complain_on_overflow */
788 bfd_elf_generic_reloc, /* special_function */
789 "R_SCORE_ABS16", /* name */
790 FALSE, /* partial_inplace */
791 0x0000ffff, /* src_mask */
792 0x0000ffff, /* dst_mask */
793 FALSE), /* pcrel_offset */
795 /* R_SCORE_DUMMY2 */
796 HOWTO (R_SCORE_DUMMY2, /* type */
797 0, /* rightshift */
798 2, /* size (0 = byte, 1 = short, 2 = long) */
799 16, /* bitsize */
800 FALSE, /* pc_relative */
801 0, /* bitpos */
802 complain_overflow_dont,/* complain_on_overflow */
803 bfd_elf_generic_reloc, /* special_function */
804 "R_SCORE_DUMMY2", /* name */
805 TRUE, /* partial_inplace */
806 0x00007fff, /* src_mask */
807 0x00007fff, /* dst_mask */
808 FALSE), /* pcrel_offset */
810 /* R_SCORE_GP15 */
811 HOWTO (R_SCORE_GP15, /* type */
812 0, /* rightshift */
813 2, /* size (0 = byte, 1 = short, 2 = long) */
814 16, /* bitsize */
815 FALSE, /* pc_relative */
816 0, /* bitpos */
817 complain_overflow_dont,/* complain_on_overflow */
818 score_elf_gprel15_reloc,/* special_function */
819 "R_SCORE_GP15", /* name */
820 TRUE, /* partial_inplace */
821 0x00007fff, /* src_mask */
822 0x00007fff, /* dst_mask */
823 FALSE), /* pcrel_offset */
825 /* GNU extension to record C++ vtable hierarchy. */
826 HOWTO (R_SCORE_GNU_VTINHERIT, /* type */
827 0, /* rightshift */
828 2, /* size (0 = byte, 1 = short, 2 = long) */
829 0, /* bitsize */
830 FALSE, /* pc_relative */
831 0, /* bitpos */
832 complain_overflow_dont,/* complain_on_overflow */
833 NULL, /* special_function */
834 "R_SCORE_GNU_VTINHERIT", /* name */
835 FALSE, /* partial_inplace */
836 0, /* src_mask */
837 0, /* dst_mask */
838 FALSE), /* pcrel_offset */
840 /* GNU extension to record C++ vtable member usage */
841 HOWTO (R_SCORE_GNU_VTENTRY, /* type */
842 0, /* rightshift */
843 2, /* size (0 = byte, 1 = short, 2 = long) */
844 0, /* bitsize */
845 FALSE, /* pc_relative */
846 0, /* bitpos */
847 complain_overflow_dont,/* complain_on_overflow */
848 _bfd_elf_rel_vtable_reloc_fn, /* special_function */
849 "R_SCORE_GNU_VTENTRY", /* name */
850 FALSE, /* partial_inplace */
851 0, /* src_mask */
852 0, /* dst_mask */
853 FALSE), /* pcrel_offset */
855 /* Reference to global offset table. */
856 HOWTO (R_SCORE_GOT15, /* type */
857 0, /* rightshift */
858 2, /* size (0 = byte, 1 = short, 2 = long) */
859 16, /* bitsize */
860 FALSE, /* pc_relative */
861 0, /* bitpos */
862 complain_overflow_signed, /* complain_on_overflow */
863 score_elf_got15_reloc, /* special_function */
864 "R_SCORE_GOT15", /* name */
865 TRUE, /* partial_inplace */
866 0x00007fff, /* src_mask */
867 0x00007fff, /* dst_mask */
868 FALSE), /* pcrel_offset */
870 /* Low 16 bits of displacement in global offset table. */
871 HOWTO (R_SCORE_GOT_LO16, /* type */
872 0, /* rightshift */
873 2, /* size (0 = byte, 1 = short, 2 = long) */
874 16, /* bitsize */
875 FALSE, /* pc_relative */
876 1, /* bitpos */
877 complain_overflow_dont,/* complain_on_overflow */
878 score_elf_got_lo16_reloc, /* special_function */
879 "R_SCORE_GOT_LO16", /* name */
880 TRUE, /* partial_inplace */
881 0x37ffe, /* src_mask */
882 0x37ffe, /* dst_mask */
883 FALSE), /* pcrel_offset */
885 /* 15 bit call through global offset table. */
886 HOWTO (R_SCORE_CALL15, /* type */
887 0, /* rightshift */
888 2, /* size (0 = byte, 1 = short, 2 = long) */
889 16, /* bitsize */
890 FALSE, /* pc_relative */
891 0, /* bitpos */
892 complain_overflow_signed, /* complain_on_overflow */
893 bfd_elf_generic_reloc, /* special_function */
894 "R_SCORE_CALL15", /* name */
895 TRUE, /* partial_inplace */
896 0x0000ffff, /* src_mask */
897 0x0000ffff, /* dst_mask */
898 FALSE), /* pcrel_offset */
900 /* 32 bit GP relative reference. */
901 HOWTO (R_SCORE_GPREL32, /* type */
902 0, /* rightshift */
903 2, /* size (0 = byte, 1 = short, 2 = long) */
904 32, /* bitsize */
905 FALSE, /* pc_relative */
906 0, /* bitpos */
907 complain_overflow_dont,/* complain_on_overflow */
908 score_elf_gprel32_reloc, /* special_function */
909 "R_SCORE_GPREL32", /* name */
910 TRUE, /* partial_inplace */
911 0xffffffff, /* src_mask */
912 0xffffffff, /* dst_mask */
913 FALSE), /* pcrel_offset */
915 /* 32 bit symbol relative relocation. */
916 HOWTO (R_SCORE_REL32, /* type */
917 0, /* rightshift */
918 2, /* size (0 = byte, 1 = short, 2 = long) */
919 32, /* bitsize */
920 FALSE, /* pc_relative */
921 0, /* bitpos */
922 complain_overflow_dont,/* complain_on_overflow */
923 bfd_elf_generic_reloc, /* special_function */
924 "R_SCORE_REL32", /* name */
925 TRUE, /* partial_inplace */
926 0xffffffff, /* src_mask */
927 0xffffffff, /* dst_mask */
928 FALSE), /* pcrel_offset */
930 /* R_SCORE_DUMMY_HI16 */
931 HOWTO (R_SCORE_DUMMY_HI16, /* type */
932 0, /* rightshift */
933 2, /* size (0 = byte, 1 = short, 2 = long) */
934 16, /* bitsize */
935 FALSE, /* pc_relative */
936 1, /* bitpos */
937 complain_overflow_dont,/* complain_on_overflow */
938 score_elf_hi16_reloc, /* special_function */
939 "R_SCORE_DUMMY_HI16", /* name */
940 TRUE, /* partial_inplace */
941 0x37fff, /* src_mask */
942 0x37fff, /* dst_mask */
943 FALSE), /* pcrel_offset */
945 /* R_SCORE_IMM30 */
946 HOWTO (R_SCORE_IMM30, /* type */
947 2, /* rightshift */
948 2, /* size (0 = byte, 1 = short, 2 = long) */
949 30, /* bitsize */
950 FALSE, /* pc_relative */
951 7, /* bitpos */
952 complain_overflow_dont,/* complain_on_overflow */
953 bfd_elf_generic_reloc, /* special_function */
954 "R_SCORE_IMM30", /* name */
955 FALSE, /* partial_inplace */
956 0x7f7fff7f80LL, /* src_mask */
957 0x7f7fff7f80LL, /* dst_mask */
958 FALSE), /* pcrel_offset */
960 /* R_SCORE_IMM32 */
961 HOWTO (R_SCORE_IMM32, /* type */
962 0, /* rightshift */
963 2, /* size (0 = byte, 1 = short, 2 = long) */
964 32, /* bitsize */
965 FALSE, /* pc_relative */
966 5, /* bitpos */
967 complain_overflow_dont,/* complain_on_overflow */
968 bfd_elf_generic_reloc, /* special_function */
969 "R_SCORE_IMM32", /* name */
970 FALSE, /* partial_inplace */
971 0x7f7fff7fe0LL, /* src_mask */
972 0x7f7fff7fe0LL, /* dst_mask */
973 FALSE), /* pcrel_offset */
976 struct score_reloc_map
978 bfd_reloc_code_real_type bfd_reloc_val;
979 unsigned char elf_reloc_val;
982 static const struct score_reloc_map elf32_score_reloc_map[] =
984 {BFD_RELOC_NONE, R_SCORE_NONE},
985 {BFD_RELOC_HI16_S, R_SCORE_HI16},
986 {BFD_RELOC_LO16, R_SCORE_LO16},
987 {BFD_RELOC_SCORE_BCMP, R_SCORE_BCMP},
988 {BFD_RELOC_SCORE_JMP, R_SCORE_24},
989 {BFD_RELOC_SCORE_BRANCH, R_SCORE_PC19},
990 {BFD_RELOC_SCORE16_JMP, R_SCORE16_11},
991 {BFD_RELOC_SCORE16_BRANCH, R_SCORE16_PC8},
992 {BFD_RELOC_32, R_SCORE_ABS32},
993 {BFD_RELOC_16, R_SCORE_ABS16},
994 {BFD_RELOC_SCORE_DUMMY2, R_SCORE_DUMMY2},
995 {BFD_RELOC_SCORE_GPREL15, R_SCORE_GP15},
996 {BFD_RELOC_VTABLE_INHERIT, R_SCORE_GNU_VTINHERIT},
997 {BFD_RELOC_VTABLE_ENTRY, R_SCORE_GNU_VTENTRY},
998 {BFD_RELOC_SCORE_GOT15, R_SCORE_GOT15},
999 {BFD_RELOC_SCORE_GOT_LO16, R_SCORE_GOT_LO16},
1000 {BFD_RELOC_SCORE_CALL15, R_SCORE_CALL15},
1001 {BFD_RELOC_GPREL32, R_SCORE_GPREL32},
1002 {BFD_RELOC_32_PCREL, R_SCORE_REL32},
1003 {BFD_RELOC_SCORE_DUMMY_HI16, R_SCORE_DUMMY_HI16},
1004 {BFD_RELOC_SCORE_IMM30, R_SCORE_IMM30},
1005 {BFD_RELOC_SCORE_IMM32, R_SCORE_IMM32},
1008 /* got_entries only match if they're identical, except for gotidx, so
1009 use all fields to compute the hash, and compare the appropriate
1010 union members. */
1011 static hashval_t
1012 score_elf_got_entry_hash (const void *entry_)
1014 const struct score_got_entry *entry = (struct score_got_entry *)entry_;
1016 return entry->symndx
1017 + (!entry->abfd ? entry->d.address : entry->abfd->id);
1020 static int
1021 score_elf_got_entry_eq (const void *entry1, const void *entry2)
1023 const struct score_got_entry *e1 = (struct score_got_entry *)entry1;
1024 const struct score_got_entry *e2 = (struct score_got_entry *)entry2;
1026 return e1->abfd == e2->abfd && e1->symndx == e2->symndx
1027 && (! e1->abfd ? e1->d.address == e2->d.address
1028 : e1->symndx >= 0 ? e1->d.addend == e2->d.addend
1029 : e1->d.h == e2->d.h);
1032 /* If H needs a GOT entry, assign it the highest available dynamic
1033 index. Otherwise, assign it the lowest available dynamic
1034 index. */
1035 static bfd_boolean
1036 score_elf_sort_hash_table_f (struct score_elf_link_hash_entry *h, void *data)
1038 struct score_elf_hash_sort_data *hsd = data;
1040 if (h->root.root.type == bfd_link_hash_warning)
1041 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1043 /* Symbols without dynamic symbol table entries aren't interesting at all. */
1044 if (h->root.dynindx == -1)
1045 return TRUE;
1047 /* Global symbols that need GOT entries that are not explicitly
1048 referenced are marked with got offset 2. Those that are
1049 referenced get a 1, and those that don't need GOT entries get
1050 -1. */
1051 if (h->root.got.offset == 2)
1053 if (hsd->max_unref_got_dynindx == hsd->min_got_dynindx)
1054 hsd->low = (struct elf_link_hash_entry *) h;
1055 h->root.dynindx = hsd->max_unref_got_dynindx++;
1057 else if (h->root.got.offset != 1)
1058 h->root.dynindx = hsd->max_non_got_dynindx++;
1059 else
1061 h->root.dynindx = --hsd->min_got_dynindx;
1062 hsd->low = (struct elf_link_hash_entry *) h;
1065 return TRUE;
1068 static asection *
1069 score_elf_got_section (bfd *abfd, bfd_boolean maybe_excluded)
1071 asection *sgot = bfd_get_section_by_name (abfd, ".got");
1073 if (sgot == NULL || (! maybe_excluded && (sgot->flags & SEC_EXCLUDE) != 0))
1074 return NULL;
1075 return sgot;
1078 /* Returns the GOT information associated with the link indicated by
1079 INFO. If SGOTP is non-NULL, it is filled in with the GOT section. */
1080 static struct score_got_info *
1081 score_elf_got_info (bfd *abfd, asection **sgotp)
1083 asection *sgot;
1084 struct score_got_info *g;
1086 sgot = score_elf_got_section (abfd, TRUE);
1087 BFD_ASSERT (sgot != NULL);
1088 BFD_ASSERT (elf_section_data (sgot) != NULL);
1089 g = score_elf_section_data (sgot)->u.got_info;
1090 BFD_ASSERT (g != NULL);
1092 if (sgotp)
1093 *sgotp = sgot;
1094 return g;
1097 /* Sort the dynamic symbol table so that symbols that need GOT entries
1098 appear towards the end. This reduces the amount of GOT space
1099 required. MAX_LOCAL is used to set the number of local symbols
1100 known to be in the dynamic symbol table. During
1101 s3_bfd_score_elf_size_dynamic_sections, this value is 1. Afterward, the
1102 section symbols are added and the count is higher. */
1103 static bfd_boolean
1104 score_elf_sort_hash_table (struct bfd_link_info *info,
1105 unsigned long max_local)
1107 struct score_elf_hash_sort_data hsd;
1108 struct score_got_info *g;
1109 bfd *dynobj;
1111 dynobj = elf_hash_table (info)->dynobj;
1113 g = score_elf_got_info (dynobj, NULL);
1115 hsd.low = NULL;
1116 hsd.max_unref_got_dynindx =
1117 hsd.min_got_dynindx = elf_hash_table (info)->dynsymcount
1118 /* In the multi-got case, assigned_gotno of the master got_info
1119 indicate the number of entries that aren't referenced in the
1120 primary GOT, but that must have entries because there are
1121 dynamic relocations that reference it. Since they aren't
1122 referenced, we move them to the end of the GOT, so that they
1123 don't prevent other entries that are referenced from getting
1124 too large offsets. */
1125 - (g->next ? g->assigned_gotno : 0);
1126 hsd.max_non_got_dynindx = max_local;
1127 score_elf_link_hash_traverse (elf_hash_table (info),
1128 score_elf_sort_hash_table_f,
1129 &hsd);
1131 /* There should have been enough room in the symbol table to
1132 accommodate both the GOT and non-GOT symbols. */
1133 BFD_ASSERT (hsd.max_non_got_dynindx <= hsd.min_got_dynindx);
1134 BFD_ASSERT ((unsigned long)hsd.max_unref_got_dynindx
1135 <= elf_hash_table (info)->dynsymcount);
1137 /* Now we know which dynamic symbol has the lowest dynamic symbol
1138 table index in the GOT. */
1139 g->global_gotsym = hsd.low;
1141 return TRUE;
1144 /* Create an entry in an score ELF linker hash table. */
1146 static struct bfd_hash_entry *
1147 score_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
1148 struct bfd_hash_table *table,
1149 const char *string)
1151 struct score_elf_link_hash_entry *ret = (struct score_elf_link_hash_entry *) entry;
1153 /* Allocate the structure if it has not already been allocated by a subclass. */
1154 if (ret == NULL)
1155 ret = bfd_hash_allocate (table, sizeof (struct score_elf_link_hash_entry));
1156 if (ret == NULL)
1157 return (struct bfd_hash_entry *) ret;
1159 /* Call the allocation method of the superclass. */
1160 ret = ((struct score_elf_link_hash_entry *)
1161 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
1163 if (ret != NULL)
1165 ret->possibly_dynamic_relocs = 0;
1166 ret->readonly_reloc = FALSE;
1167 ret->no_fn_stub = FALSE;
1168 ret->forced_local = FALSE;
1171 return (struct bfd_hash_entry *) ret;
1174 /* Returns the first relocation of type r_type found, beginning with
1175 RELOCATION. RELEND is one-past-the-end of the relocation table. */
1176 static const Elf_Internal_Rela *
1177 score_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
1178 const Elf_Internal_Rela *relocation,
1179 const Elf_Internal_Rela *relend)
1181 while (relocation < relend)
1183 if (ELF32_R_TYPE (relocation->r_info) == r_type)
1184 return relocation;
1186 ++relocation;
1189 /* We didn't find it. */
1190 bfd_set_error (bfd_error_bad_value);
1191 return NULL;
1194 /* This function is called via qsort() to sort the dynamic relocation
1195 entries by increasing r_symndx value. */
1196 static int
1197 score_elf_sort_dynamic_relocs (const void *arg1, const void *arg2)
1199 Elf_Internal_Rela int_reloc1;
1200 Elf_Internal_Rela int_reloc2;
1202 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg1, &int_reloc1);
1203 bfd_elf32_swap_reloc_in (reldyn_sorting_bfd, arg2, &int_reloc2);
1205 return (ELF32_R_SYM (int_reloc1.r_info) - ELF32_R_SYM (int_reloc2.r_info));
1208 /* Return whether a relocation is against a local symbol. */
1209 static bfd_boolean
1210 score_elf_local_relocation_p (bfd *input_bfd,
1211 const Elf_Internal_Rela *relocation,
1212 asection **local_sections,
1213 bfd_boolean check_forced)
1215 unsigned long r_symndx;
1216 Elf_Internal_Shdr *symtab_hdr;
1217 struct score_elf_link_hash_entry *h;
1218 size_t extsymoff;
1220 r_symndx = ELF32_R_SYM (relocation->r_info);
1221 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1222 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
1224 if (r_symndx < extsymoff)
1225 return TRUE;
1226 if (elf_bad_symtab (input_bfd) && local_sections[r_symndx] != NULL)
1227 return TRUE;
1229 if (check_forced)
1231 /* Look up the hash table to check whether the symbol was forced local. */
1232 h = (struct score_elf_link_hash_entry *)
1233 elf_sym_hashes (input_bfd) [r_symndx - extsymoff];
1234 /* Find the real hash-table entry for this symbol. */
1235 while (h->root.root.type == bfd_link_hash_indirect
1236 || h->root.root.type == bfd_link_hash_warning)
1237 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1238 if (h->root.forced_local)
1239 return TRUE;
1242 return FALSE;
1245 /* Returns the dynamic relocation section for DYNOBJ. */
1246 static asection *
1247 score_elf_rel_dyn_section (bfd *dynobj, bfd_boolean create_p)
1249 static const char dname[] = ".rel.dyn";
1250 asection *sreloc;
1252 sreloc = bfd_get_section_by_name (dynobj, dname);
1253 if (sreloc == NULL && create_p)
1255 sreloc = bfd_make_section_with_flags (dynobj, dname,
1256 (SEC_ALLOC
1257 | SEC_LOAD
1258 | SEC_HAS_CONTENTS
1259 | SEC_IN_MEMORY
1260 | SEC_LINKER_CREATED
1261 | SEC_READONLY));
1262 if (sreloc == NULL
1263 || ! bfd_set_section_alignment (dynobj, sreloc,
1264 SCORE_ELF_LOG_FILE_ALIGN (dynobj)))
1265 return NULL;
1267 return sreloc;
1270 static void
1271 score_elf_allocate_dynamic_relocations (bfd *abfd, unsigned int n)
1273 asection *s;
1275 s = score_elf_rel_dyn_section (abfd, FALSE);
1276 BFD_ASSERT (s != NULL);
1278 if (s->size == 0)
1280 /* Make room for a null element. */
1281 s->size += SCORE_ELF_REL_SIZE (abfd);
1282 ++s->reloc_count;
1284 s->size += n * SCORE_ELF_REL_SIZE (abfd);
1287 /* Create a rel.dyn relocation for the dynamic linker to resolve. REL
1288 is the original relocation, which is now being transformed into a
1289 dynamic relocation. The ADDENDP is adjusted if necessary; the
1290 caller should store the result in place of the original addend. */
1291 static bfd_boolean
1292 score_elf_create_dynamic_relocation (bfd *output_bfd,
1293 struct bfd_link_info *info,
1294 const Elf_Internal_Rela *rel,
1295 struct score_elf_link_hash_entry *h,
1296 bfd_vma symbol,
1297 bfd_vma *addendp, asection *input_section)
1299 Elf_Internal_Rela outrel[3];
1300 asection *sreloc;
1301 bfd *dynobj;
1302 int r_type;
1303 long indx;
1304 bfd_boolean defined_p;
1306 r_type = ELF32_R_TYPE (rel->r_info);
1307 dynobj = elf_hash_table (info)->dynobj;
1308 sreloc = score_elf_rel_dyn_section (dynobj, FALSE);
1309 BFD_ASSERT (sreloc != NULL);
1310 BFD_ASSERT (sreloc->contents != NULL);
1311 BFD_ASSERT (sreloc->reloc_count * SCORE_ELF_REL_SIZE (output_bfd) < sreloc->size);
1313 outrel[0].r_offset =
1314 _bfd_elf_section_offset (output_bfd, info, input_section, rel[0].r_offset);
1315 outrel[1].r_offset =
1316 _bfd_elf_section_offset (output_bfd, info, input_section, rel[1].r_offset);
1317 outrel[2].r_offset =
1318 _bfd_elf_section_offset (output_bfd, info, input_section, rel[2].r_offset);
1320 if (outrel[0].r_offset == MINUS_ONE)
1321 /* The relocation field has been deleted. */
1322 return TRUE;
1324 if (outrel[0].r_offset == MINUS_TWO)
1326 /* The relocation field has been converted into a relative value of
1327 some sort. Functions like _bfd_elf_write_section_eh_frame expect
1328 the field to be fully relocated, so add in the symbol's value. */
1329 *addendp += symbol;
1330 return TRUE;
1333 /* We must now calculate the dynamic symbol table index to use
1334 in the relocation. */
1335 if (h != NULL
1336 && (! info->symbolic || !h->root.def_regular)
1337 /* h->root.dynindx may be -1 if this symbol was marked to
1338 become local. */
1339 && h->root.dynindx != -1)
1341 indx = h->root.dynindx;
1342 /* ??? glibc's ld.so just adds the final GOT entry to the
1343 relocation field. It therefore treats relocs against
1344 defined symbols in the same way as relocs against
1345 undefined symbols. */
1346 defined_p = FALSE;
1348 else
1350 indx = 0;
1351 defined_p = TRUE;
1354 /* If the relocation was previously an absolute relocation and
1355 this symbol will not be referred to by the relocation, we must
1356 adjust it by the value we give it in the dynamic symbol table.
1357 Otherwise leave the job up to the dynamic linker. */
1358 if (defined_p && r_type != R_SCORE_REL32)
1359 *addendp += symbol;
1361 /* The relocation is always an REL32 relocation because we don't
1362 know where the shared library will wind up at load-time. */
1363 outrel[0].r_info = ELF32_R_INFO ((unsigned long) indx, R_SCORE_REL32);
1365 /* For strict adherence to the ABI specification, we should
1366 generate a R_SCORE_64 relocation record by itself before the
1367 _REL32/_64 record as well, such that the addend is read in as
1368 a 64-bit value (REL32 is a 32-bit relocation, after all).
1369 However, since none of the existing ELF64 SCORE dynamic
1370 loaders seems to care, we don't waste space with these
1371 artificial relocations. If this turns out to not be true,
1372 score_elf_allocate_dynamic_relocations() should be tweaked so
1373 as to make room for a pair of dynamic relocations per
1374 invocation if ABI_64_P, and here we should generate an
1375 additional relocation record with R_SCORE_64 by itself for a
1376 NULL symbol before this relocation record. */
1377 outrel[1].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1378 outrel[2].r_info = ELF32_R_INFO (0, R_SCORE_NONE);
1380 /* Adjust the output offset of the relocation to reference the
1381 correct location in the output file. */
1382 outrel[0].r_offset += (input_section->output_section->vma
1383 + input_section->output_offset);
1384 outrel[1].r_offset += (input_section->output_section->vma
1385 + input_section->output_offset);
1386 outrel[2].r_offset += (input_section->output_section->vma
1387 + input_section->output_offset);
1389 /* Put the relocation back out. We have to use the special
1390 relocation outputter in the 64-bit case since the 64-bit
1391 relocation format is non-standard. */
1392 bfd_elf32_swap_reloc_out
1393 (output_bfd, &outrel[0],
1394 (sreloc->contents + sreloc->reloc_count * sizeof (Elf32_External_Rel)));
1396 /* We've now added another relocation. */
1397 ++sreloc->reloc_count;
1399 /* Make sure the output section is writable. The dynamic linker
1400 will be writing to it. */
1401 elf_section_data (input_section->output_section)->this_hdr.sh_flags |= SHF_WRITE;
1403 return TRUE;
1406 static bfd_boolean
1407 score_elf_create_got_section (bfd *abfd,
1408 struct bfd_link_info *info,
1409 bfd_boolean maybe_exclude)
1411 flagword flags;
1412 asection *s;
1413 struct elf_link_hash_entry *h;
1414 struct bfd_link_hash_entry *bh;
1415 struct score_got_info *g;
1416 bfd_size_type amt;
1418 /* This function may be called more than once. */
1419 s = score_elf_got_section (abfd, TRUE);
1420 if (s)
1422 if (! maybe_exclude)
1423 s->flags &= ~SEC_EXCLUDE;
1424 return TRUE;
1427 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1429 if (maybe_exclude)
1430 flags |= SEC_EXCLUDE;
1432 /* We have to use an alignment of 2**4 here because this is hardcoded
1433 in the function stub generation and in the linker script. */
1434 s = bfd_make_section_with_flags (abfd, ".got", flags);
1435 if (s == NULL
1436 || ! bfd_set_section_alignment (abfd, s, 4))
1437 return FALSE;
1439 /* Define the symbol _GLOBAL_OFFSET_TABLE_. We don't do this in the
1440 linker script because we don't want to define the symbol if we
1441 are not creating a global offset table. */
1442 bh = NULL;
1443 if (! (_bfd_generic_link_add_one_symbol
1444 (info, abfd, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL, s,
1445 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
1446 return FALSE;
1448 h = (struct elf_link_hash_entry *) bh;
1449 h->non_elf = 0;
1450 h->def_regular = 1;
1451 h->type = STT_OBJECT;
1453 if (info->shared && ! bfd_elf_link_record_dynamic_symbol (info, h))
1454 return FALSE;
1456 amt = sizeof (struct score_got_info);
1457 g = bfd_alloc (abfd, amt);
1458 if (g == NULL)
1459 return FALSE;
1461 g->global_gotsym = NULL;
1462 g->global_gotno = 0;
1464 g->local_gotno = SCORE_RESERVED_GOTNO;
1465 g->assigned_gotno = SCORE_RESERVED_GOTNO;
1466 g->next = NULL;
1468 g->got_entries = htab_try_create (1, score_elf_got_entry_hash,
1469 score_elf_got_entry_eq, NULL);
1470 if (g->got_entries == NULL)
1471 return FALSE;
1472 score_elf_section_data (s)->u.got_info = g;
1473 score_elf_section_data (s)->elf.this_hdr.sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
1475 return TRUE;
1478 /* Calculate the %high function. */
1479 static bfd_vma
1480 score_elf_high (bfd_vma value)
1482 return ((value + (bfd_vma) 0x8000) >> 16) & 0xffff;
1485 /* Create a local GOT entry for VALUE. Return the index of the entry,
1486 or -1 if it could not be created. */
1487 static struct score_got_entry *
1488 score_elf_create_local_got_entry (bfd *abfd,
1489 bfd *ibfd ATTRIBUTE_UNUSED,
1490 struct score_got_info *gg,
1491 asection *sgot, bfd_vma value,
1492 unsigned long r_symndx ATTRIBUTE_UNUSED,
1493 struct score_elf_link_hash_entry *h ATTRIBUTE_UNUSED,
1494 int r_type ATTRIBUTE_UNUSED)
1496 struct score_got_entry entry, **loc;
1497 struct score_got_info *g;
1499 entry.abfd = NULL;
1500 entry.symndx = -1;
1501 entry.d.address = value;
1503 g = gg;
1504 loc = (struct score_got_entry **) htab_find_slot (g->got_entries, &entry, INSERT);
1505 if (*loc)
1506 return *loc;
1508 entry.gotidx = SCORE_ELF_GOT_SIZE (abfd) * g->assigned_gotno++;
1510 *loc = bfd_alloc (abfd, sizeof entry);
1512 if (! *loc)
1513 return NULL;
1515 memcpy (*loc, &entry, sizeof entry);
1517 if (g->assigned_gotno >= g->local_gotno)
1519 (*loc)->gotidx = -1;
1520 /* We didn't allocate enough space in the GOT. */
1521 (*_bfd_error_handler)
1522 (_("not enough GOT space for local GOT entries"));
1523 bfd_set_error (bfd_error_bad_value);
1524 return NULL;
1527 score_bfd_put_32 (abfd, value, (sgot->contents + entry.gotidx));
1529 return *loc;
1532 /* Find a GOT entry whose higher-order 16 bits are the same as those
1533 for value. Return the index into the GOT for this entry. */
1534 static bfd_vma
1535 score_elf_got16_entry (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1536 bfd_vma value, bfd_boolean external)
1538 asection *sgot;
1539 struct score_got_info *g;
1540 struct score_got_entry *entry;
1542 if (!external)
1544 /* Although the ABI says that it is "the high-order 16 bits" that we
1545 want, it is really the %high value. The complete value is
1546 calculated with a `addiu' of a LO16 relocation, just as with a
1547 HI16/LO16 pair. */
1548 value = score_elf_high (value) << 16;
1551 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1553 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value, 0, NULL,
1554 R_SCORE_GOT15);
1555 if (entry)
1556 return entry->gotidx;
1557 else
1558 return MINUS_ONE;
1561 static void
1562 s3_bfd_score_elf_hide_symbol (struct bfd_link_info *info,
1563 struct elf_link_hash_entry *entry,
1564 bfd_boolean force_local)
1566 bfd *dynobj;
1567 asection *got;
1568 struct score_got_info *g;
1569 struct score_elf_link_hash_entry *h;
1571 h = (struct score_elf_link_hash_entry *) entry;
1572 if (h->forced_local)
1573 return;
1574 h->forced_local = TRUE;
1576 dynobj = elf_hash_table (info)->dynobj;
1577 if (dynobj != NULL && force_local)
1579 got = score_elf_got_section (dynobj, FALSE);
1580 if (got == NULL)
1581 return;
1582 g = score_elf_section_data (got)->u.got_info;
1584 if (g->next)
1586 struct score_got_entry e;
1587 struct score_got_info *gg = g;
1589 /* Since we're turning what used to be a global symbol into a
1590 local one, bump up the number of local entries of each GOT
1591 that had an entry for it. This will automatically decrease
1592 the number of global entries, since global_gotno is actually
1593 the upper limit of global entries. */
1594 e.abfd = dynobj;
1595 e.symndx = -1;
1596 e.d.h = h;
1598 for (g = g->next; g != gg; g = g->next)
1599 if (htab_find (g->got_entries, &e))
1601 BFD_ASSERT (g->global_gotno > 0);
1602 g->local_gotno++;
1603 g->global_gotno--;
1606 /* If this was a global symbol forced into the primary GOT, we
1607 no longer need an entry for it. We can't release the entry
1608 at this point, but we must at least stop counting it as one
1609 of the symbols that required a forced got entry. */
1610 if (h->root.got.offset == 2)
1612 BFD_ASSERT (gg->assigned_gotno > 0);
1613 gg->assigned_gotno--;
1616 else if (g->global_gotno == 0 && g->global_gotsym == NULL)
1617 /* If we haven't got through GOT allocation yet, just bump up the
1618 number of local entries, as this symbol won't be counted as
1619 global. */
1620 g->local_gotno++;
1621 else if (h->root.got.offset == 1)
1623 /* If we're past non-multi-GOT allocation and this symbol had
1624 been marked for a global got entry, give it a local entry
1625 instead. */
1626 BFD_ASSERT (g->global_gotno > 0);
1627 g->local_gotno++;
1628 g->global_gotno--;
1632 _bfd_elf_link_hash_hide_symbol (info, &h->root, force_local);
1635 /* If H is a symbol that needs a global GOT entry, but has a dynamic
1636 symbol table index lower than any we've seen to date, record it for
1637 posterity. */
1638 static bfd_boolean
1639 score_elf_record_global_got_symbol (struct elf_link_hash_entry *h,
1640 bfd *abfd,
1641 struct bfd_link_info *info,
1642 struct score_got_info *g)
1644 struct score_got_entry entry, **loc;
1646 /* A global symbol in the GOT must also be in the dynamic symbol table. */
1647 if (h->dynindx == -1)
1649 switch (ELF_ST_VISIBILITY (h->other))
1651 case STV_INTERNAL:
1652 case STV_HIDDEN:
1653 s3_bfd_score_elf_hide_symbol (info, h, TRUE);
1654 break;
1656 if (!bfd_elf_link_record_dynamic_symbol (info, h))
1657 return FALSE;
1660 entry.abfd = abfd;
1661 entry.symndx = -1;
1662 entry.d.h = (struct score_elf_link_hash_entry *)h;
1664 loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
1666 /* If we've already marked this entry as needing GOT space, we don't
1667 need to do it again. */
1668 if (*loc)
1669 return TRUE;
1671 *loc = bfd_alloc (abfd, sizeof entry);
1672 if (! *loc)
1673 return FALSE;
1675 entry.gotidx = -1;
1677 memcpy (*loc, &entry, sizeof (entry));
1679 if (h->got.offset != MINUS_ONE)
1680 return TRUE;
1682 /* By setting this to a value other than -1, we are indicating that
1683 there needs to be a GOT entry for H. Avoid using zero, as the
1684 generic ELF copy_indirect_symbol tests for <= 0. */
1685 h->got.offset = 1;
1687 return TRUE;
1690 /* Reserve space in G for a GOT entry containing the value of symbol
1691 SYMNDX in input bfd ABDF, plus ADDEND. */
1692 static bfd_boolean
1693 score_elf_record_local_got_symbol (bfd *abfd,
1694 long symndx,
1695 bfd_vma addend,
1696 struct score_got_info *g)
1698 struct score_got_entry entry, **loc;
1700 entry.abfd = abfd;
1701 entry.symndx = symndx;
1702 entry.d.addend = addend;
1703 loc = (struct score_got_entry **)htab_find_slot (g->got_entries, &entry, INSERT);
1705 if (*loc)
1706 return TRUE;
1708 entry.gotidx = g->local_gotno++;
1710 *loc = bfd_alloc (abfd, sizeof(entry));
1711 if (! *loc)
1712 return FALSE;
1714 memcpy (*loc, &entry, sizeof (entry));
1716 return TRUE;
1719 /* Returns the GOT offset at which the indicated address can be found.
1720 If there is not yet a GOT entry for this value, create one.
1721 Returns -1 if no satisfactory GOT offset can be found. */
1722 static bfd_vma
1723 score_elf_local_got_index (bfd *abfd, bfd *ibfd, struct bfd_link_info *info,
1724 bfd_vma value, unsigned long r_symndx,
1725 struct score_elf_link_hash_entry *h, int r_type)
1727 asection *sgot;
1728 struct score_got_info *g;
1729 struct score_got_entry *entry;
1731 g = score_elf_got_info (elf_hash_table (info)->dynobj, &sgot);
1733 entry = score_elf_create_local_got_entry (abfd, ibfd, g, sgot, value,
1734 r_symndx, h, r_type);
1735 if (!entry)
1736 return MINUS_ONE;
1738 else
1739 return entry->gotidx;
1742 /* Returns the GOT index for the global symbol indicated by H. */
1744 static bfd_vma
1745 score_elf_global_got_index (bfd *abfd, struct elf_link_hash_entry *h)
1747 bfd_vma got_index;
1748 asection *sgot;
1749 struct score_got_info *g;
1750 long global_got_dynindx = 0;
1752 g = score_elf_got_info (abfd, &sgot);
1753 if (g->global_gotsym != NULL)
1754 global_got_dynindx = g->global_gotsym->dynindx;
1756 /* Once we determine the global GOT entry with the lowest dynamic
1757 symbol table index, we must put all dynamic symbols with greater
1758 indices into the GOT. That makes it easy to calculate the GOT
1759 offset. */
1760 BFD_ASSERT (h->dynindx >= global_got_dynindx);
1761 got_index = ((h->dynindx - global_got_dynindx + g->local_gotno) * SCORE_ELF_GOT_SIZE (abfd));
1762 BFD_ASSERT (got_index < sgot->size);
1764 return got_index;
1767 /* Returns the offset for the entry at the INDEXth position in the GOT. */
1769 static bfd_vma
1770 score_elf_got_offset_from_index (bfd *dynobj,
1771 bfd *output_bfd,
1772 bfd *input_bfd ATTRIBUTE_UNUSED,
1773 bfd_vma got_index)
1775 asection *sgot;
1776 bfd_vma gp;
1778 score_elf_got_info (dynobj, &sgot);
1779 gp = _bfd_get_gp_value (output_bfd);
1781 return sgot->output_section->vma + sgot->output_offset + got_index - gp;
1784 /* Follow indirect and warning hash entries so that each got entry
1785 points to the final symbol definition. P must point to a pointer
1786 to the hash table we're traversing. Since this traversal may
1787 modify the hash table, we set this pointer to NULL to indicate
1788 we've made a potentially-destructive change to the hash table, so
1789 the traversal must be restarted. */
1790 static int
1791 score_elf_resolve_final_got_entry (void **entryp, void *p)
1793 struct score_got_entry *entry = (struct score_got_entry *)*entryp;
1794 htab_t got_entries = *(htab_t *)p;
1796 if (entry->abfd != NULL && entry->symndx == -1)
1798 struct score_elf_link_hash_entry *h = entry->d.h;
1800 while (h->root.root.type == bfd_link_hash_indirect
1801 || h->root.root.type == bfd_link_hash_warning)
1802 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
1804 if (entry->d.h == h)
1805 return 1;
1807 entry->d.h = h;
1809 /* If we can't find this entry with the new bfd hash, re-insert
1810 it, and get the traversal restarted. */
1811 if (! htab_find (got_entries, entry))
1813 htab_clear_slot (got_entries, entryp);
1814 entryp = htab_find_slot (got_entries, entry, INSERT);
1815 if (! *entryp)
1816 *entryp = entry;
1817 /* Abort the traversal, since the whole table may have
1818 moved, and leave it up to the parent to restart the
1819 process. */
1820 *(htab_t *)p = NULL;
1821 return 0;
1823 /* We might want to decrement the global_gotno count, but it's
1824 either too early or too late for that at this point. */
1827 return 1;
1830 /* Turn indirect got entries in a got_entries table into their final locations. */
1831 static void
1832 score_elf_resolve_final_got_entries (struct score_got_info *g)
1834 htab_t got_entries;
1838 got_entries = g->got_entries;
1840 htab_traverse (got_entries,
1841 score_elf_resolve_final_got_entry,
1842 &got_entries);
1844 while (got_entries == NULL);
1847 /* Add INCREMENT to the reloc (of type HOWTO) at ADDRESS. for -r */
1848 static void
1849 score_elf_add_to_rel (bfd *abfd,
1850 bfd_byte *address,
1851 reloc_howto_type *howto,
1852 bfd_signed_vma increment)
1854 bfd_signed_vma addend;
1855 bfd_vma contents;
1856 unsigned long offset;
1857 unsigned long r_type = howto->type;
1858 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
1860 contents = score_bfd_get_32 (abfd, address);
1861 /* Get the (signed) value from the instruction. */
1862 addend = contents & howto->src_mask;
1863 if (addend & ((howto->src_mask + 1) >> 1))
1865 bfd_signed_vma mask;
1867 mask = -1;
1868 mask &= ~howto->src_mask;
1869 addend |= mask;
1871 /* Add in the increment, (which is a byte value). */
1872 switch (r_type)
1874 case R_SCORE_PC19:
1875 offset =
1876 (((contents & howto->src_mask) & 0x3ff0000) >> 6) | ((contents & howto->src_mask) & 0x3ff);
1877 offset += increment;
1878 contents =
1879 (contents & ~howto->
1880 src_mask) | (((offset << 6) & howto->src_mask) & 0x3ff0000) | (offset & 0x3ff);
1881 score_bfd_put_32 (abfd, contents, address);
1882 break;
1883 case R_SCORE_HI16:
1884 break;
1885 case R_SCORE_LO16:
1886 hi16_addend = score_bfd_get_32 (abfd, address - 4);
1887 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
1888 offset = ((((contents >> 16) & 0x3) << 15) | (contents & 0x7fff)) >> 1;
1889 offset = (hi16_offset << 16) | (offset & 0xffff);
1890 uvalue = increment + offset;
1891 hi16_offset = (uvalue >> 16) << 1;
1892 hi16_value = (hi16_addend & (~(howto->dst_mask)))
1893 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
1894 score_bfd_put_32 (abfd, hi16_value, address - 4);
1895 offset = (uvalue & 0xffff) << 1;
1896 contents = (contents & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
1897 score_bfd_put_32 (abfd, contents, address);
1898 break;
1899 case R_SCORE_24:
1900 offset =
1901 (((contents & howto->src_mask) >> 1) & 0x1ff8000) | ((contents & howto->src_mask) & 0x7fff);
1902 offset += increment;
1903 contents =
1904 (contents & ~howto->
1905 src_mask) | (((offset << 1) & howto->src_mask) & 0x3ff0000) | (offset & 0x7fff);
1906 score_bfd_put_32 (abfd, contents, address);
1907 break;
1909 case R_SCORE16_11:
1911 contents = score_bfd_get_16 (abfd, address);
1912 offset = contents & howto->src_mask;
1913 offset += increment;
1914 contents = (contents & ~howto->src_mask) | (offset & howto->src_mask);
1915 score_bfd_put_16 (abfd, contents, address);
1917 break;
1918 case R_SCORE16_PC8:
1920 contents = score_bfd_get_16 (abfd, address);
1921 offset = (contents & howto->src_mask) + ((increment >> 1) & 0x1ff);
1922 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1923 score_bfd_put_16 (abfd, contents, address);
1925 break;
1927 case R_SCORE_BCMP:
1928 contents = score_bfd_get_32 (abfd, address);
1929 offset = (contents & howto->src_mask);
1930 offset <<= howto->rightshift;
1931 offset += increment;
1932 offset >>= howto->rightshift;
1933 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1934 score_bfd_put_32 (abfd, contents, address);
1935 break;
1937 case R_SCORE_IMM30:
1938 contents = score_bfd_get_48 (abfd, address);
1939 offset = (contents & howto->src_mask);
1940 offset <<= howto->rightshift;
1941 offset += increment;
1942 offset >>= howto->rightshift;
1943 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1944 score_bfd_put_48 (abfd, contents, address);
1945 break;
1947 case R_SCORE_IMM32:
1948 contents = score_bfd_get_48 (abfd, address);
1949 offset = (contents & howto->src_mask);
1950 offset += increment;
1951 contents = (contents & (~howto->src_mask)) | (offset & howto->src_mask);
1952 score_bfd_put_48 (abfd, contents, address);
1953 break;
1955 default:
1956 addend += increment;
1957 contents = (contents & ~howto->dst_mask) | (addend & howto->dst_mask);
1958 score_bfd_put_32 (abfd, contents, address);
1959 break;
1963 /* Perform a relocation as part of a final link. */
1964 static bfd_reloc_status_type
1965 score_elf_final_link_relocate (reloc_howto_type *howto,
1966 bfd *input_bfd,
1967 bfd *output_bfd,
1968 asection *input_section,
1969 bfd_byte *contents,
1970 Elf_Internal_Rela *rel,
1971 Elf_Internal_Rela *relocs,
1972 bfd_vma symbol,
1973 struct bfd_link_info *info,
1974 const char *sym_name ATTRIBUTE_UNUSED,
1975 int sym_flags ATTRIBUTE_UNUSED,
1976 struct score_elf_link_hash_entry *h,
1977 asection **local_sections,
1978 bfd_boolean gp_disp_p)
1980 unsigned long r_type;
1981 unsigned long r_symndx;
1982 bfd_byte *hit_data = contents + rel->r_offset;
1983 bfd_vma addend;
1984 /* The final GP value to be used for the relocatable, executable, or
1985 shared object file being produced. */
1986 bfd_vma gp = MINUS_ONE;
1987 /* The place (section offset or address) of the storage unit being relocated. */
1988 bfd_vma rel_addr;
1989 /* The offset into the global offset table at which the address of the relocation entry
1990 symbol, adjusted by the addend, resides during execution. */
1991 bfd_vma g = MINUS_ONE;
1992 /* TRUE if the symbol referred to by this relocation is a local symbol. */
1993 bfd_boolean local_p;
1994 /* The eventual value we will relocate. */
1995 bfd_vma value = symbol;
1996 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue, offset, abs_value = 0;
1999 if (elf_gp (output_bfd) == 0)
2001 struct bfd_link_hash_entry *bh;
2002 asection *o;
2004 bh = bfd_link_hash_lookup (info->hash, "_gp", 0, 0, 1);
2005 if (bh != NULL && bh->type == bfd_link_hash_defined)
2006 elf_gp (output_bfd) = (bh->u.def.value
2007 + bh->u.def.section->output_section->vma
2008 + bh->u.def.section->output_offset);
2009 else if (info->relocatable)
2011 bfd_vma lo = -1;
2013 /* Find the GP-relative section with the lowest offset. */
2014 for (o = output_bfd->sections; o != NULL; o = o->next)
2015 if (o->vma < lo)
2016 lo = o->vma;
2017 /* And calculate GP relative to that. */
2018 elf_gp (output_bfd) = lo + ELF_SCORE_GP_OFFSET (input_bfd);
2020 else
2022 /* If the relocate_section function needs to do a reloc
2023 involving the GP value, it should make a reloc_dangerous
2024 callback to warn that GP is not defined. */
2028 /* Parse the relocation. */
2029 r_symndx = ELF32_R_SYM (rel->r_info);
2030 r_type = ELF32_R_TYPE (rel->r_info);
2031 rel_addr = (input_section->output_section->vma + input_section->output_offset + rel->r_offset);
2032 local_p = score_elf_local_relocation_p (input_bfd, rel, local_sections, TRUE);
2034 if (r_type == R_SCORE_GOT15)
2036 const Elf_Internal_Rela *relend;
2037 const Elf_Internal_Rela *lo16_rel;
2038 const struct elf_backend_data *bed;
2039 bfd_vma lo_value = 0;
2041 bed = get_elf_backend_data (output_bfd);
2042 relend = relocs + input_section->reloc_count * bed->s->int_rels_per_ext_rel;
2043 lo16_rel = score_elf_next_relocation (input_bfd, R_SCORE_GOT_LO16, rel, relend);
2044 if ((local_p) && (lo16_rel != NULL))
2046 bfd_vma tmp = 0;
2047 tmp = score_bfd_get_32 (input_bfd, contents + lo16_rel->r_offset);
2048 lo_value = (((tmp >> 16) & 0x3) << 14) | ((tmp & 0x7fff) >> 1);
2050 addend = lo_value;
2052 /* For score3 R_SCORE_ABS32. */
2053 else if (r_type == R_SCORE_ABS32 || r_type == R_SCORE_REL32)
2055 addend = (bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
2057 else
2059 addend = (score_bfd_get_32 (input_bfd, hit_data) >> howto->bitpos) & howto->src_mask;
2062 /* If we haven't already determined the GOT offset, or the GP value,
2063 and we're going to need it, get it now. */
2064 switch (r_type)
2066 case R_SCORE_CALL15:
2067 case R_SCORE_GOT15:
2068 if (!local_p)
2070 g = score_elf_global_got_index (elf_hash_table (info)->dynobj,
2071 (struct elf_link_hash_entry *) h);
2072 if ((! elf_hash_table (info)->dynamic_sections_created
2073 || (info->shared
2074 && (info->symbolic || h->root.dynindx == -1)
2075 && h->root.def_regular)))
2077 /* This is a static link or a -Bsymbolic link. The
2078 symbol is defined locally, or was forced to be local.
2079 We must initialize this entry in the GOT. */
2080 bfd *tmpbfd = elf_hash_table (info)->dynobj;
2081 asection *sgot = score_elf_got_section (tmpbfd, FALSE);
2082 score_bfd_put_32 (tmpbfd, value, sgot->contents + g);
2085 else if (r_type == R_SCORE_GOT15 || r_type == R_SCORE_CALL15)
2087 /* There's no need to create a local GOT entry here; the
2088 calculation for a local GOT15 entry does not involve G. */
2091 else
2093 g = score_elf_local_got_index (output_bfd, input_bfd, info,
2094 symbol + addend, r_symndx, h, r_type);
2095 if (g == MINUS_ONE)
2096 return bfd_reloc_outofrange;
2099 /* Convert GOT indices to actual offsets. */
2100 g = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2101 output_bfd, input_bfd, g);
2102 break;
2104 case R_SCORE_HI16:
2105 case R_SCORE_LO16:
2106 case R_SCORE_GPREL32:
2107 gp = _bfd_get_gp_value (output_bfd);
2108 break;
2110 case R_SCORE_GP15:
2111 gp = _bfd_get_gp_value (output_bfd);
2113 default:
2114 break;
2117 switch (r_type)
2119 case R_SCORE_NONE:
2120 return bfd_reloc_ok;
2122 case R_SCORE_ABS32:
2123 case R_SCORE_REL32:
2124 if ((info->shared
2125 || (elf_hash_table (info)->dynamic_sections_created
2126 && h != NULL
2127 && h->root.def_dynamic
2128 && !h->root.def_regular))
2129 && r_symndx != STN_UNDEF
2130 && (input_section->flags & SEC_ALLOC) != 0)
2132 /* If we're creating a shared library, or this relocation is against a symbol
2133 in a shared library, then we can't know where the symbol will end up.
2134 So, we create a relocation record in the output, and leave the job up
2135 to the dynamic linker. */
2136 value = addend;
2137 if (!score_elf_create_dynamic_relocation (output_bfd, info, rel, h,
2138 symbol, &value,
2139 input_section))
2140 return bfd_reloc_undefined;
2142 else if (r_symndx == STN_UNDEF)
2143 /* r_symndx will be STN_UNDEF (zero) only for relocs against symbols
2144 from removed linkonce sections, or sections discarded by
2145 a linker script. */
2146 value = 0;
2147 else
2149 if (r_type != R_SCORE_REL32)
2150 value = symbol + addend;
2151 else
2152 value = addend;
2154 value &= howto->dst_mask;
2155 bfd_put_32 (input_bfd, value, hit_data);
2156 return bfd_reloc_ok;
2158 case R_SCORE_ABS16:
2159 value += addend;
2160 if ((long)value > 0x7fff || (long)value < -0x8000)
2161 return bfd_reloc_overflow;
2162 score_bfd_put_16 (input_bfd, value, hit_data);
2163 return bfd_reloc_ok;
2165 case R_SCORE_24:
2166 addend = score_bfd_get_32 (input_bfd, hit_data);
2167 offset = (((addend & howto->src_mask) >> 1) & 0x1ff8000) | ((addend & howto->src_mask) & 0x7fff);
2168 if ((offset & 0x1000000) != 0)
2169 offset |= 0xfe000000;
2170 value += offset;
2171 abs_value = abs (value - rel_addr);
2172 if ((abs_value & 0xfe000000) != 0)
2173 return bfd_reloc_overflow;
2174 addend = (addend & ~howto->src_mask)
2175 | (((value << 1) & howto->src_mask) & 0x3ff0000) | (value & 0x7fff);
2176 score_bfd_put_32 (input_bfd, addend, hit_data);
2177 return bfd_reloc_ok;
2179 /* signed imm32. */
2180 case R_SCORE_IMM30:
2182 int not_word_align_p = 0;
2183 bfd_vma imm_offset = 0;
2184 addend = score_bfd_get_48 (input_bfd, hit_data);
2185 imm_offset = ((addend >> 7) & 0xff)
2186 | (((addend >> 16) & 0x7fff) << 8)
2187 | (((addend >> 32) & 0x7f) << 23);
2188 imm_offset <<= howto->rightshift;
2189 value += imm_offset;
2190 value &= 0xffffffff;
2192 /* Check lw48/sw48 rd, value/label word align. */
2193 if ((value & 0x3) != 0)
2194 not_word_align_p = 1;
2196 value >>= howto->rightshift;
2197 addend = (addend & ~howto->src_mask)
2198 | (((value & 0xff) >> 0) << 7)
2199 | (((value & 0x7fff00) >> 8) << 16)
2200 | (((value & 0x3f800000) >> 23) << 32);
2201 score_bfd_put_48 (input_bfd, addend, hit_data);
2202 if (not_word_align_p)
2203 return bfd_reloc_other;
2204 else
2205 return bfd_reloc_ok;
2208 case R_SCORE_IMM32:
2210 bfd_vma imm_offset = 0;
2211 addend = score_bfd_get_48 (input_bfd, hit_data);
2212 imm_offset = ((addend >> 5) & 0x3ff)
2213 | (((addend >> 16) & 0x7fff) << 10)
2214 | (((addend >> 32) & 0x7f) << 25);
2215 value += imm_offset;
2216 value &= 0xffffffff;
2217 addend = (addend & ~howto->src_mask)
2218 | ((value & 0x3ff) << 5)
2219 | (((value >> 10) & 0x7fff) << 16)
2220 | (((value >> 25) & 0x7f) << 32);
2221 score_bfd_put_48 (input_bfd, addend, hit_data);
2222 return bfd_reloc_ok;
2225 case R_SCORE_PC19:
2226 addend = score_bfd_get_32 (input_bfd, hit_data);
2227 offset = (((addend & howto->src_mask) & 0x3ff0000) >> 6) | ((addend & howto->src_mask) & 0x3ff);
2228 if ((offset & 0x80000) != 0)
2229 offset |= 0xfff00000;
2230 abs_value = value = value - rel_addr + offset;
2231 /* exceed 20 bit : overflow. */
2232 if ((abs_value & 0x80000000) == 0x80000000)
2233 abs_value = 0xffffffff - value + 1;
2234 if ((abs_value & 0xfff80000) != 0)
2235 return bfd_reloc_overflow;
2236 addend = (addend & ~howto->src_mask)
2237 | (((value << 6) & howto->src_mask) & 0x3ff0000) | (value & 0x3ff);
2238 score_bfd_put_32 (input_bfd, addend, hit_data);
2239 return bfd_reloc_ok;
2241 case R_SCORE16_11:
2242 addend = score_bfd_get_16 (input_bfd, hit_data);
2243 offset = addend & howto->src_mask;
2244 if ((offset & 0x800) != 0) /* Offset is negative. */
2245 offset |= 0xfffff000;
2246 value += offset;
2247 abs_value = abs (value - rel_addr);
2248 if ((abs_value & 0xfffff000) != 0)
2249 return bfd_reloc_overflow;
2250 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2251 score_bfd_put_16 (input_bfd, addend, hit_data);
2252 return bfd_reloc_ok;
2254 case R_SCORE16_PC8:
2255 addend = score_bfd_get_16 (input_bfd, hit_data);
2256 offset = (addend & howto->src_mask) << 1;
2257 if ((offset & 0x200) != 0) /* Offset is negative. */
2258 offset |= 0xfffffe00;
2259 abs_value = value = value - rel_addr + offset;
2260 /* Sign bit + exceed 9 bit. */
2261 if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
2262 return bfd_reloc_overflow;
2263 value >>= 1;
2264 addend = (addend & ~howto->src_mask) | (value & howto->src_mask);
2265 score_bfd_put_16 (input_bfd, addend, hit_data);
2266 return bfd_reloc_ok;
2268 case R_SCORE_BCMP:
2269 addend = score_bfd_get_32 (input_bfd, hit_data);
2270 offset = (addend & howto->src_mask) << howto->rightshift;
2271 if ((offset & 0x200) != 0) /* Offset is negative. */
2272 offset |= 0xfffffe00;
2273 value = value - rel_addr + offset;
2274 /* Sign bit + exceed 9 bit. */
2275 if (((value & 0xfffffe00) != 0) && ((value & 0xfffffe00) != 0xfffffe00))
2276 return bfd_reloc_overflow;
2277 value >>= howto->rightshift;
2278 addend = (addend & ~howto->src_mask)
2279 | (value & 0x1)
2280 | (((value >> 1) & 0x7) << 7)
2281 | (((value >> 4) & 0x1f) << 21);
2282 score_bfd_put_32 (input_bfd, addend, hit_data);
2283 return bfd_reloc_ok;
2285 case R_SCORE_HI16:
2286 return bfd_reloc_ok;
2288 case R_SCORE_LO16:
2289 hi16_addend = score_bfd_get_32 (input_bfd, hit_data - 4);
2290 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2291 addend = score_bfd_get_32 (input_bfd, hit_data);
2292 offset = ((((addend >> 16) & 0x3) << 15) | (addend & 0x7fff)) >> 1;
2293 offset = (hi16_offset << 16) | (offset & 0xffff);
2295 if (!gp_disp_p)
2296 uvalue = value + offset;
2297 else
2298 uvalue = offset + gp - rel_addr + 4;
2300 hi16_offset = (uvalue >> 16) << 1;
2301 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2302 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2303 score_bfd_put_32 (input_bfd, hi16_value, hit_data - 4);
2304 offset = (uvalue & 0xffff) << 1;
2305 value = (addend & (~(howto->dst_mask))) | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2306 score_bfd_put_32 (input_bfd, value, hit_data);
2307 return bfd_reloc_ok;
2309 case R_SCORE_GP15:
2310 addend = score_bfd_get_32 (input_bfd, hit_data);
2311 offset = addend & 0x7fff;
2312 if ((offset & 0x4000) == 0x4000)
2313 offset |= 0xffffc000;
2314 value = value + offset - gp;
2315 if (((value & 0xffffc000) != 0) && ((value & 0xffffc000) != 0xffffc000))
2316 return bfd_reloc_overflow;
2317 value = (addend & ~howto->src_mask) | (value & howto->src_mask);
2318 score_bfd_put_32 (input_bfd, value, hit_data);
2319 return bfd_reloc_ok;
2321 case R_SCORE_GOT15:
2322 case R_SCORE_CALL15:
2323 if (local_p)
2325 bfd_boolean forced;
2327 /* The special case is when the symbol is forced to be local. We need the
2328 full address in the GOT since no R_SCORE_GOT_LO16 relocation follows. */
2329 forced = ! score_elf_local_relocation_p (input_bfd, rel,
2330 local_sections, FALSE);
2331 value = score_elf_got16_entry (output_bfd, input_bfd, info,
2332 symbol + addend, forced);
2333 if (value == MINUS_ONE)
2334 return bfd_reloc_outofrange;
2335 value = score_elf_got_offset_from_index (elf_hash_table (info)->dynobj,
2336 output_bfd, input_bfd, value);
2338 else
2340 value = g;
2343 if ((long) value > 0x3fff || (long) value < -0x4000)
2344 return bfd_reloc_overflow;
2346 addend = score_bfd_get_32 (input_bfd, hit_data);
2347 value = (addend & ~howto->dst_mask) | (value & howto->dst_mask);
2348 score_bfd_put_32 (input_bfd, value, hit_data);
2349 return bfd_reloc_ok;
2351 case R_SCORE_GPREL32:
2352 value = (addend + symbol - gp);
2353 value &= howto->dst_mask;
2354 score_bfd_put_32 (input_bfd, value, hit_data);
2355 return bfd_reloc_ok;
2357 case R_SCORE_GOT_LO16:
2358 addend = score_bfd_get_32 (input_bfd, hit_data);
2359 value = (((addend >> 16) & 0x3) << 14) | ((addend & 0x7fff) >> 1);
2360 value += symbol;
2361 value = (addend & (~(howto->dst_mask))) | ((value & 0x3fff) << 1)
2362 | (((value >> 14) & 0x3) << 16);
2364 score_bfd_put_32 (input_bfd, value, hit_data);
2365 return bfd_reloc_ok;
2367 case R_SCORE_DUMMY_HI16:
2368 return bfd_reloc_ok;
2370 case R_SCORE_GNU_VTINHERIT:
2371 case R_SCORE_GNU_VTENTRY:
2372 /* We don't do anything with these at present. */
2373 return bfd_reloc_continue;
2375 default:
2376 return bfd_reloc_notsupported;
2380 /* Score backend functions. */
2381 static void
2382 s3_bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
2383 arelent *bfd_reloc,
2384 Elf_Internal_Rela *elf_reloc)
2386 unsigned int r_type;
2388 r_type = ELF32_R_TYPE (elf_reloc->r_info);
2389 if (r_type >= ARRAY_SIZE (elf32_score_howto_table))
2390 bfd_reloc->howto = NULL;
2391 else
2392 bfd_reloc->howto = &elf32_score_howto_table[r_type];
2395 /* Relocate an score ELF section. */
2396 static bfd_boolean
2397 s3_bfd_score_elf_relocate_section (bfd *output_bfd,
2398 struct bfd_link_info *info,
2399 bfd *input_bfd,
2400 asection *input_section,
2401 bfd_byte *contents,
2402 Elf_Internal_Rela *relocs,
2403 Elf_Internal_Sym *local_syms,
2404 asection **local_sections)
2406 Elf_Internal_Shdr *symtab_hdr;
2407 Elf_Internal_Rela *rel;
2408 Elf_Internal_Rela *relend;
2409 const char *name;
2410 unsigned long offset;
2411 unsigned long hi16_addend, hi16_offset, hi16_value, uvalue;
2412 size_t extsymoff;
2413 bfd_boolean gp_disp_p = FALSE;
2415 /* Sort dynsym. */
2416 if (elf_hash_table (info)->dynamic_sections_created)
2418 bfd_size_type dynsecsymcount = 0;
2419 if (info->shared)
2421 asection * p;
2422 const struct elf_backend_data *bed = get_elf_backend_data (output_bfd);
2424 for (p = output_bfd->sections; p ; p = p->next)
2425 if ((p->flags & SEC_EXCLUDE) == 0
2426 && (p->flags & SEC_ALLOC) != 0
2427 && !(*bed->elf_backend_omit_section_dynsym) (output_bfd, info, p))
2428 ++ dynsecsymcount;
2431 if (!score_elf_sort_hash_table (info, dynsecsymcount + 1))
2432 return FALSE;
2435 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2436 extsymoff = (elf_bad_symtab (input_bfd)) ? 0 : symtab_hdr->sh_info;
2437 rel = relocs;
2438 relend = relocs + input_section->reloc_count;
2439 for (; rel < relend; rel++)
2441 int r_type;
2442 reloc_howto_type *howto;
2443 unsigned long r_symndx;
2444 Elf_Internal_Sym *sym;
2445 asection *sec;
2446 struct score_elf_link_hash_entry *h;
2447 bfd_vma relocation = 0;
2448 bfd_reloc_status_type r;
2449 arelent bfd_reloc;
2451 r_symndx = ELF32_R_SYM (rel->r_info);
2452 r_type = ELF32_R_TYPE (rel->r_info);
2454 s3_bfd_score_info_to_howto (input_bfd, &bfd_reloc, (Elf_Internal_Rela *) rel);
2455 howto = bfd_reloc.howto;
2457 h = NULL;
2458 sym = NULL;
2459 sec = NULL;
2461 if (r_symndx < extsymoff)
2463 sym = local_syms + r_symndx;
2464 sec = local_sections[r_symndx];
2465 relocation = (sec->output_section->vma
2466 + sec->output_offset
2467 + sym->st_value);
2468 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym, sec);
2470 if (!info->relocatable
2471 && (sec->flags & SEC_MERGE)
2472 && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2474 asection *msec;
2475 bfd_vma addend, value;
2477 switch (r_type)
2479 case R_SCORE_HI16:
2480 break;
2481 case R_SCORE_LO16:
2482 hi16_addend = score_bfd_get_32 (input_bfd, contents + rel->r_offset - 4);
2483 hi16_offset = ((((hi16_addend >> 16) & 0x3) << 15) | (hi16_addend & 0x7fff)) >> 1;
2484 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2485 offset = ((((value >> 16) & 0x3) << 15) | (value & 0x7fff)) >> 1;
2486 addend = (hi16_offset << 16) | (offset & 0xffff);
2487 msec = sec;
2488 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2489 addend -= relocation;
2490 addend += msec->output_section->vma + msec->output_offset;
2491 uvalue = addend;
2492 hi16_offset = (uvalue >> 16) << 1;
2493 hi16_value = (hi16_addend & (~(howto->dst_mask)))
2494 | (hi16_offset & 0x7fff) | ((hi16_offset << 1) & 0x30000);
2495 score_bfd_put_32 (input_bfd, hi16_value, contents + rel->r_offset - 4);
2496 offset = (uvalue & 0xffff) << 1;
2497 value = (value & (~(howto->dst_mask)))
2498 | (offset & 0x7fff) | ((offset << 1) & 0x30000);
2499 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2500 break;
2502 case R_SCORE_IMM32:
2504 value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
2505 addend = ((value >> 5) & 0x3ff)
2506 | (((value >> 16) & 0x7fff) << 10)
2507 | (((value >> 32) & 0x7f) << 25);
2508 msec = sec;
2509 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2510 addend -= relocation;
2511 addend += msec->output_section->vma + msec->output_offset;
2512 addend &= 0xffffffff;
2513 value = (value & ~howto->src_mask)
2514 | ((addend & 0x3ff) << 5)
2515 | (((addend >> 10) & 0x7fff) << 16)
2516 | (((addend >> 25) & 0x7f) << 32);
2517 score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
2518 break;
2521 case R_SCORE_IMM30:
2523 int not_word_align_p = 0;
2524 value = score_bfd_get_48 (input_bfd, contents + rel->r_offset);
2525 addend = ((value >> 7) & 0xff)
2526 | (((value >> 16) & 0x7fff) << 8)
2527 | (((value >> 32) & 0x7f) << 23);
2528 addend <<= howto->rightshift;
2529 msec = sec;
2530 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend);
2531 addend -= relocation;
2532 addend += msec->output_section->vma + msec->output_offset;
2533 addend &= 0xffffffff;
2535 /* Check lw48/sw48 rd, value/label word align. */
2536 if ((addend & 0x3) != 0)
2537 not_word_align_p = 1;
2539 addend >>= howto->rightshift;
2540 value = (value & ~howto->src_mask)
2541 | (((addend & 0xff) >> 0) << 7)
2542 | (((addend & 0x7fff00) >> 8) << 16)
2543 | (((addend & 0x3f800000) >> 23) << 32);
2544 score_bfd_put_48 (input_bfd, value, contents + rel->r_offset);
2546 if (not_word_align_p)
2547 return bfd_reloc_other;
2548 else
2549 break;
2552 case R_SCORE_GOT_LO16:
2553 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2554 addend = (((value >> 16) & 0x3) << 14) | ((value & 0x7fff) >> 1);
2555 msec = sec;
2556 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2557 addend += msec->output_section->vma + msec->output_offset;
2558 value = (value & (~(howto->dst_mask))) | ((addend & 0x3fff) << 1)
2559 | (((addend >> 14) & 0x3) << 16);
2561 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2562 break;
2564 case R_SCORE_ABS32:
2565 case R_SCORE_REL32:
2566 value = bfd_get_32 (input_bfd, contents + rel->r_offset);
2567 /* Get the (signed) value from the instruction. */
2568 addend = value & howto->src_mask;
2569 if (addend & ((howto->src_mask + 1) >> 1))
2571 bfd_signed_vma mask;
2573 mask = -1;
2574 mask &= ~howto->src_mask;
2575 addend |= mask;
2577 msec = sec;
2578 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2579 addend += msec->output_section->vma + msec->output_offset;
2580 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2581 bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2582 break;
2584 default:
2585 value = score_bfd_get_32 (input_bfd, contents + rel->r_offset);
2586 /* Get the (signed) value from the instruction. */
2587 addend = value & howto->src_mask;
2588 if (addend & ((howto->src_mask + 1) >> 1))
2590 bfd_signed_vma mask;
2592 mask = -1;
2593 mask &= ~howto->src_mask;
2594 addend |= mask;
2596 msec = sec;
2597 addend = _bfd_elf_rel_local_sym (output_bfd, sym, &msec, addend) - relocation;
2598 addend += msec->output_section->vma + msec->output_offset;
2599 value = (value & ~howto->dst_mask) | (addend & howto->dst_mask);
2600 score_bfd_put_32 (input_bfd, value, contents + rel->r_offset);
2601 break;
2605 else
2607 /* For global symbols we look up the symbol in the hash-table. */
2608 h = ((struct score_elf_link_hash_entry *)
2609 elf_sym_hashes (input_bfd) [r_symndx - extsymoff]);
2610 /* Find the real hash-table entry for this symbol. */
2611 while (h->root.root.type == bfd_link_hash_indirect
2612 || h->root.root.type == bfd_link_hash_warning)
2613 h = (struct score_elf_link_hash_entry *) h->root.root.u.i.link;
2615 /* Record the name of this symbol, for our caller. */
2616 name = h->root.root.root.string;
2618 /* See if this is the special GP_DISP_LABEL symbol. Note that such a
2619 symbol must always be a global symbol. */
2620 if (strcmp (name, GP_DISP_LABEL) == 0)
2622 /* Relocations against GP_DISP_LABEL are permitted only with
2623 R_SCORE_HI16 and R_SCORE_LO16 relocations. */
2624 if (r_type != R_SCORE_HI16 && r_type != R_SCORE_LO16)
2625 return bfd_reloc_notsupported;
2627 gp_disp_p = TRUE;
2630 /* If this symbol is defined, calculate its address. Note that
2631 GP_DISP_LABEL is a magic symbol, always implicitly defined by the
2632 linker, so it's inappropriate to check to see whether or not
2633 its defined. */
2634 else if ((h->root.root.type == bfd_link_hash_defined
2635 || h->root.root.type == bfd_link_hash_defweak)
2636 && h->root.root.u.def.section)
2638 sec = h->root.root.u.def.section;
2639 if (sec->output_section)
2640 relocation = (h->root.root.u.def.value
2641 + sec->output_section->vma
2642 + sec->output_offset);
2643 else
2645 relocation = h->root.root.u.def.value;
2648 else if (h->root.root.type == bfd_link_hash_undefweak)
2649 /* We allow relocations against undefined weak symbols, giving
2650 it the value zero, so that you can undefined weak functions
2651 and check to see if they exist by looking at their addresses. */
2652 relocation = 0;
2653 else if (info->unresolved_syms_in_objects == RM_IGNORE
2654 && ELF_ST_VISIBILITY (h->root.other) == STV_DEFAULT)
2655 relocation = 0;
2656 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
2658 /* If this is a dynamic link, we should have created a _DYNAMIC_LINK symbol
2659 in s3_bfd_score_elf_create_dynamic_sections. Otherwise, we should define
2660 the symbol with a value of 0. */
2661 BFD_ASSERT (! info->shared);
2662 BFD_ASSERT (bfd_get_section_by_name (output_bfd, ".dynamic") == NULL);
2663 relocation = 0;
2665 else if (!info->relocatable)
2667 if (! ((*info->callbacks->undefined_symbol)
2668 (info, h->root.root.root.string, input_bfd,
2669 input_section, rel->r_offset,
2670 (info->unresolved_syms_in_objects == RM_GENERATE_ERROR)
2671 || ELF_ST_VISIBILITY (h->root.other))))
2672 return bfd_reloc_undefined;
2673 relocation = 0;
2677 if (sec != NULL && elf_discarded_section (sec))
2678 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2679 rel, relend, howto, contents);
2681 if (info->relocatable)
2683 /* This is a relocatable link. We don't have to change
2684 anything, unless the reloc is against a section symbol,
2685 in which case we have to adjust according to where the
2686 section symbol winds up in the output section. */
2687 if (r_symndx < symtab_hdr->sh_info)
2689 sym = local_syms + r_symndx;
2690 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
2692 sec = local_sections[r_symndx];
2693 score_elf_add_to_rel (input_bfd, contents + rel->r_offset,
2694 howto, (bfd_signed_vma) (sec->output_offset + sym->st_value));
2697 continue;
2700 /* This is a final link. */
2701 r = score_elf_final_link_relocate (howto, input_bfd, output_bfd,
2702 input_section, contents, rel, relocs,
2703 relocation, info, name,
2704 (h ? ELF_ST_TYPE ((unsigned int)h->root.root.type) :
2705 ELF_ST_TYPE ((unsigned int)sym->st_info)), h, local_sections,
2706 gp_disp_p);
2708 if (r != bfd_reloc_ok)
2710 const char *msg = (const char *)0;
2712 switch (r)
2714 case bfd_reloc_overflow:
2715 /* If the overflowing reloc was to an undefined symbol,
2716 we have already printed one error message and there
2717 is no point complaining again. */
2718 if (((!h) || (h->root.root.type != bfd_link_hash_undefined))
2719 && (!((*info->callbacks->reloc_overflow)
2720 (info, NULL, name, howto->name, (bfd_vma) 0,
2721 input_bfd, input_section, rel->r_offset))))
2722 return FALSE;
2723 break;
2724 case bfd_reloc_undefined:
2725 if (!((*info->callbacks->undefined_symbol)
2726 (info, name, input_bfd, input_section, rel->r_offset, TRUE)))
2727 return FALSE;
2728 break;
2730 case bfd_reloc_outofrange:
2731 msg = _("internal error: out of range error");
2732 goto common_error;
2734 case bfd_reloc_notsupported:
2735 msg = _("internal error: unsupported relocation error");
2736 goto common_error;
2738 case bfd_reloc_dangerous:
2739 msg = _("internal error: dangerous error");
2740 goto common_error;
2742 /* Use bfd_reloc_other to check lw48, sw48 word align. */
2743 case bfd_reloc_other:
2744 msg = _("address not word align");
2745 goto common_error;
2747 default:
2748 msg = _("internal error: unknown error");
2749 /* fall through */
2751 common_error:
2752 if (!((*info->callbacks->warning)
2753 (info, msg, name, input_bfd, input_section, rel->r_offset)))
2754 return FALSE;
2755 break;
2760 return TRUE;
2763 /* Look through the relocs for a section during the first phase, and
2764 allocate space in the global offset table. */
2765 static bfd_boolean
2766 s3_bfd_score_elf_check_relocs (bfd *abfd,
2767 struct bfd_link_info *info,
2768 asection *sec,
2769 const Elf_Internal_Rela *relocs)
2771 const char *name;
2772 bfd *dynobj;
2773 Elf_Internal_Shdr *symtab_hdr;
2774 struct elf_link_hash_entry **sym_hashes;
2775 struct score_got_info *g;
2776 size_t extsymoff;
2777 const Elf_Internal_Rela *rel;
2778 const Elf_Internal_Rela *rel_end;
2779 asection *sgot;
2780 asection *sreloc;
2781 const struct elf_backend_data *bed;
2783 if (info->relocatable)
2784 return TRUE;
2786 dynobj = elf_hash_table (info)->dynobj;
2787 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
2788 sym_hashes = elf_sym_hashes (abfd);
2789 extsymoff = (elf_bad_symtab (abfd)) ? 0 : symtab_hdr->sh_info;
2791 name = bfd_get_section_name (abfd, sec);
2793 if (dynobj == NULL)
2795 sgot = NULL;
2796 g = NULL;
2798 else
2800 sgot = score_elf_got_section (dynobj, FALSE);
2801 if (sgot == NULL)
2802 g = NULL;
2803 else
2805 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
2806 g = score_elf_section_data (sgot)->u.got_info;
2807 BFD_ASSERT (g != NULL);
2811 sreloc = NULL;
2812 bed = get_elf_backend_data (abfd);
2813 rel_end = relocs + sec->reloc_count * bed->s->int_rels_per_ext_rel;
2814 for (rel = relocs; rel < rel_end; ++rel)
2816 unsigned long r_symndx;
2817 unsigned int r_type;
2818 struct elf_link_hash_entry *h;
2820 r_symndx = ELF32_R_SYM (rel->r_info);
2821 r_type = ELF32_R_TYPE (rel->r_info);
2823 if (r_symndx < extsymoff)
2825 h = NULL;
2827 else if (r_symndx >= extsymoff + NUM_SHDR_ENTRIES (symtab_hdr))
2829 (*_bfd_error_handler) (_("%s: Malformed reloc detected for section %s"), abfd, name);
2830 bfd_set_error (bfd_error_bad_value);
2831 return FALSE;
2833 else
2835 h = sym_hashes[r_symndx - extsymoff];
2837 /* This may be an indirect symbol created because of a version. */
2838 if (h != NULL)
2840 while (h->root.type == bfd_link_hash_indirect)
2841 h = (struct elf_link_hash_entry *)h->root.u.i.link;
2845 /* Some relocs require a global offset table. */
2846 if (dynobj == NULL || sgot == NULL)
2848 switch (r_type)
2850 case R_SCORE_GOT15:
2851 case R_SCORE_CALL15:
2852 if (dynobj == NULL)
2853 elf_hash_table (info)->dynobj = dynobj = abfd;
2854 if (!score_elf_create_got_section (dynobj, info, FALSE))
2855 return FALSE;
2856 g = score_elf_got_info (dynobj, &sgot);
2857 break;
2858 case R_SCORE_ABS32:
2859 case R_SCORE_REL32:
2860 if (dynobj == NULL && (info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
2861 elf_hash_table (info)->dynobj = dynobj = abfd;
2862 break;
2863 default:
2864 break;
2868 if (!h && (r_type == R_SCORE_GOT_LO16))
2870 if (! score_elf_record_local_got_symbol (abfd, r_symndx, rel->r_addend, g))
2871 return FALSE;
2874 switch (r_type)
2876 case R_SCORE_CALL15:
2877 if (h == NULL)
2879 (*_bfd_error_handler)
2880 (_("%B: CALL15 reloc at 0x%lx not against global symbol"),
2881 abfd, (unsigned long) rel->r_offset);
2882 bfd_set_error (bfd_error_bad_value);
2883 return FALSE;
2885 else
2887 /* This symbol requires a global offset table entry. */
2888 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2889 return FALSE;
2891 /* We need a stub, not a plt entry for the undefined function. But we record
2892 it as if it needs plt. See _bfd_elf_adjust_dynamic_symbol. */
2893 h->needs_plt = 1;
2894 h->type = STT_FUNC;
2896 break;
2897 case R_SCORE_GOT15:
2898 if (h && ! score_elf_record_global_got_symbol (h, abfd, info, g))
2899 return FALSE;
2900 break;
2901 case R_SCORE_ABS32:
2902 case R_SCORE_REL32:
2903 if ((info->shared || h != NULL) && (sec->flags & SEC_ALLOC) != 0)
2905 if (sreloc == NULL)
2907 sreloc = score_elf_rel_dyn_section (dynobj, TRUE);
2908 if (sreloc == NULL)
2909 return FALSE;
2911 #define SCORE_READONLY_SECTION (SEC_ALLOC | SEC_LOAD | SEC_READONLY)
2912 if (info->shared)
2914 /* When creating a shared object, we must copy these reloc types into
2915 the output file as R_SCORE_REL32 relocs. We make room for this reloc
2916 in the .rel.dyn reloc section. */
2917 score_elf_allocate_dynamic_relocations (dynobj, 1);
2918 if ((sec->flags & SCORE_READONLY_SECTION)
2919 == SCORE_READONLY_SECTION)
2920 /* We tell the dynamic linker that there are
2921 relocations against the text segment. */
2922 info->flags |= DF_TEXTREL;
2924 else
2926 struct score_elf_link_hash_entry *hscore;
2928 /* We only need to copy this reloc if the symbol is
2929 defined in a dynamic object. */
2930 hscore = (struct score_elf_link_hash_entry *)h;
2931 ++hscore->possibly_dynamic_relocs;
2932 if ((sec->flags & SCORE_READONLY_SECTION)
2933 == SCORE_READONLY_SECTION)
2934 /* We need it to tell the dynamic linker if there
2935 are relocations against the text segment. */
2936 hscore->readonly_reloc = TRUE;
2939 /* Even though we don't directly need a GOT entry for this symbol,
2940 a symbol must have a dynamic symbol table index greater that
2941 DT_SCORE_GOTSYM if there are dynamic relocations against it. */
2942 if (h != NULL)
2944 if (dynobj == NULL)
2945 elf_hash_table (info)->dynobj = dynobj = abfd;
2946 if (! score_elf_create_got_section (dynobj, info, TRUE))
2947 return FALSE;
2948 g = score_elf_got_info (dynobj, &sgot);
2949 if (! score_elf_record_global_got_symbol (h, abfd, info, g))
2950 return FALSE;
2953 break;
2955 /* This relocation describes the C++ object vtable hierarchy.
2956 Reconstruct it for later use during GC. */
2957 case R_SCORE_GNU_VTINHERIT:
2958 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
2959 return FALSE;
2960 break;
2962 /* This relocation describes which C++ vtable entries are actually
2963 used. Record for later use during GC. */
2964 case R_SCORE_GNU_VTENTRY:
2965 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_offset))
2966 return FALSE;
2967 break;
2968 default:
2969 break;
2972 /* We must not create a stub for a symbol that has relocations
2973 related to taking the function's address. */
2974 switch (r_type)
2976 default:
2977 if (h != NULL)
2979 struct score_elf_link_hash_entry *sh;
2981 sh = (struct score_elf_link_hash_entry *) h;
2982 sh->no_fn_stub = TRUE;
2984 break;
2985 case R_SCORE_CALL15:
2986 break;
2990 return TRUE;
2993 static bfd_boolean
2994 s3_bfd_score_elf_add_symbol_hook (bfd *abfd,
2995 struct bfd_link_info *info ATTRIBUTE_UNUSED,
2996 Elf_Internal_Sym *sym,
2997 const char **namep ATTRIBUTE_UNUSED,
2998 flagword *flagsp ATTRIBUTE_UNUSED,
2999 asection **secp,
3000 bfd_vma *valp)
3002 switch (sym->st_shndx)
3004 case SHN_COMMON:
3005 if (sym->st_size > elf_gp_size (abfd))
3006 break;
3007 /* Fall through. */
3008 case SHN_SCORE_SCOMMON:
3009 *secp = bfd_make_section_old_way (abfd, ".scommon");
3010 (*secp)->flags |= SEC_IS_COMMON;
3011 *valp = sym->st_size;
3012 break;
3015 return TRUE;
3018 static void
3019 s3_bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
3021 elf_symbol_type *elfsym;
3023 elfsym = (elf_symbol_type *) asym;
3024 switch (elfsym->internal_elf_sym.st_shndx)
3026 case SHN_COMMON:
3027 if (asym->value > elf_gp_size (abfd))
3028 break;
3029 /* Fall through. */
3030 case SHN_SCORE_SCOMMON:
3031 if (score_elf_scom_section.name == NULL)
3033 /* Initialize the small common section. */
3034 score_elf_scom_section.name = ".scommon";
3035 score_elf_scom_section.flags = SEC_IS_COMMON;
3036 score_elf_scom_section.output_section = &score_elf_scom_section;
3037 score_elf_scom_section.symbol = &score_elf_scom_symbol;
3038 score_elf_scom_section.symbol_ptr_ptr = &score_elf_scom_symbol_ptr;
3039 score_elf_scom_symbol.name = ".scommon";
3040 score_elf_scom_symbol.flags = BSF_SECTION_SYM;
3041 score_elf_scom_symbol.section = &score_elf_scom_section;
3042 score_elf_scom_symbol_ptr = &score_elf_scom_symbol;
3044 asym->section = &score_elf_scom_section;
3045 asym->value = elfsym->internal_elf_sym.st_size;
3046 break;
3050 static int
3051 s3_bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
3052 const char *name ATTRIBUTE_UNUSED,
3053 Elf_Internal_Sym *sym,
3054 asection *input_sec,
3055 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
3057 /* If we see a common symbol, which implies a relocatable link, then
3058 if a symbol was small common in an input file, mark it as small
3059 common in the output file. */
3060 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
3061 sym->st_shndx = SHN_SCORE_SCOMMON;
3063 return 1;
3066 static bfd_boolean
3067 s3_bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
3068 asection *sec,
3069 int *retval)
3071 if (strcmp (bfd_get_section_name (abfd, sec), ".scommon") == 0)
3073 *retval = SHN_SCORE_SCOMMON;
3074 return TRUE;
3077 return FALSE;
3080 /* Adjust a symbol defined by a dynamic object and referenced by a
3081 regular object. The current definition is in some section of the
3082 dynamic object, but we're not including those sections. We have to
3083 change the definition to something the rest of the link can understand. */
3084 static bfd_boolean
3085 s3_bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
3086 struct elf_link_hash_entry *h)
3088 bfd *dynobj;
3089 struct score_elf_link_hash_entry *hscore;
3090 asection *s;
3092 dynobj = elf_hash_table (info)->dynobj;
3094 /* Make sure we know what is going on here. */
3095 BFD_ASSERT (dynobj != NULL
3096 && (h->needs_plt
3097 || h->u.weakdef != NULL
3098 || (h->def_dynamic && h->ref_regular && !h->def_regular)));
3100 /* If this symbol is defined in a dynamic object, we need to copy
3101 any R_SCORE_ABS32 or R_SCORE_REL32 relocs against it into the output
3102 file. */
3103 hscore = (struct score_elf_link_hash_entry *)h;
3104 if (!info->relocatable
3105 && hscore->possibly_dynamic_relocs != 0
3106 && (h->root.type == bfd_link_hash_defweak || !h->def_regular))
3108 score_elf_allocate_dynamic_relocations (dynobj, hscore->possibly_dynamic_relocs);
3109 if (hscore->readonly_reloc)
3110 /* We tell the dynamic linker that there are relocations
3111 against the text segment. */
3112 info->flags |= DF_TEXTREL;
3115 /* For a function, create a stub, if allowed. */
3116 if (!hscore->no_fn_stub && h->needs_plt)
3118 if (!elf_hash_table (info)->dynamic_sections_created)
3119 return TRUE;
3121 /* If this symbol is not defined in a regular file, then set
3122 the symbol to the stub location. This is required to make
3123 function pointers compare as equal between the normal
3124 executable and the shared library. */
3125 if (!h->def_regular)
3127 /* We need .stub section. */
3128 s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
3129 BFD_ASSERT (s != NULL);
3131 h->root.u.def.section = s;
3132 h->root.u.def.value = s->size;
3134 /* XXX Write this stub address somewhere. */
3135 h->plt.offset = s->size;
3137 /* Make room for this stub code. */
3138 s->size += SCORE_FUNCTION_STUB_SIZE;
3140 /* The last half word of the stub will be filled with the index
3141 of this symbol in .dynsym section. */
3142 return TRUE;
3145 else if ((h->type == STT_FUNC) && !h->needs_plt)
3147 /* This will set the entry for this symbol in the GOT to 0, and
3148 the dynamic linker will take care of this. */
3149 h->root.u.def.value = 0;
3150 return TRUE;
3153 /* If this is a weak symbol, and there is a real definition, the
3154 processor independent code will have arranged for us to see the
3155 real definition first, and we can just use the same value. */
3156 if (h->u.weakdef != NULL)
3158 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
3159 || h->u.weakdef->root.type == bfd_link_hash_defweak);
3160 h->root.u.def.section = h->u.weakdef->root.u.def.section;
3161 h->root.u.def.value = h->u.weakdef->root.u.def.value;
3162 return TRUE;
3165 /* This is a reference to a symbol defined by a dynamic object which
3166 is not a function. */
3167 return TRUE;
3170 /* This function is called after all the input files have been read,
3171 and the input sections have been assigned to output sections. */
3172 static bfd_boolean
3173 s3_bfd_score_elf_always_size_sections (bfd *output_bfd,
3174 struct bfd_link_info *info)
3176 bfd *dynobj;
3177 asection *s;
3178 struct score_got_info *g;
3179 int i;
3180 bfd_size_type loadable_size = 0;
3181 bfd_size_type local_gotno;
3182 bfd *sub;
3184 dynobj = elf_hash_table (info)->dynobj;
3185 if (dynobj == NULL)
3186 /* Relocatable links don't have it. */
3187 return TRUE;
3189 g = score_elf_got_info (dynobj, &s);
3190 if (s == NULL)
3191 return TRUE;
3193 /* Calculate the total loadable size of the output. That will give us the
3194 maximum number of GOT_PAGE entries required. */
3195 for (sub = info->input_bfds; sub; sub = sub->link_next)
3197 asection *subsection;
3199 for (subsection = sub->sections;
3200 subsection;
3201 subsection = subsection->next)
3203 if ((subsection->flags & SEC_ALLOC) == 0)
3204 continue;
3205 loadable_size += ((subsection->size + 0xf)
3206 &~ (bfd_size_type) 0xf);
3210 /* There has to be a global GOT entry for every symbol with
3211 a dynamic symbol table index of DT_SCORE_GOTSYM or
3212 higher. Therefore, it make sense to put those symbols
3213 that need GOT entries at the end of the symbol table. We
3214 do that here. */
3215 if (! score_elf_sort_hash_table (info, 1))
3216 return FALSE;
3218 if (g->global_gotsym != NULL)
3219 i = elf_hash_table (info)->dynsymcount - g->global_gotsym->dynindx;
3220 else
3221 /* If there are no global symbols, or none requiring
3222 relocations, then GLOBAL_GOTSYM will be NULL. */
3223 i = 0;
3225 /* In the worst case, we'll get one stub per dynamic symbol. */
3226 loadable_size += SCORE_FUNCTION_STUB_SIZE * i;
3228 /* Assume there are two loadable segments consisting of
3229 contiguous sections. Is 5 enough? */
3230 local_gotno = (loadable_size >> 16) + 5;
3232 g->local_gotno += local_gotno;
3233 s->size += g->local_gotno * SCORE_ELF_GOT_SIZE (output_bfd);
3235 g->global_gotno = i;
3236 s->size += i * SCORE_ELF_GOT_SIZE (output_bfd);
3238 score_elf_resolve_final_got_entries (g);
3240 if (s->size > SCORE_ELF_GOT_MAX_SIZE (output_bfd))
3242 /* Fixme. Error message or Warning message should be issued here. */
3245 return TRUE;
3248 /* Set the sizes of the dynamic sections. */
3249 static bfd_boolean
3250 s3_bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3252 bfd *dynobj;
3253 asection *s;
3254 bfd_boolean reltext;
3256 dynobj = elf_hash_table (info)->dynobj;
3257 BFD_ASSERT (dynobj != NULL);
3259 if (elf_hash_table (info)->dynamic_sections_created)
3261 /* Set the contents of the .interp section to the interpreter. */
3262 if (!info->shared)
3264 s = bfd_get_section_by_name (dynobj, ".interp");
3265 BFD_ASSERT (s != NULL);
3266 s->size = strlen (ELF_DYNAMIC_INTERPRETER) + 1;
3267 s->contents = (bfd_byte *) ELF_DYNAMIC_INTERPRETER;
3271 /* The check_relocs and adjust_dynamic_symbol entry points have
3272 determined the sizes of the various dynamic sections. Allocate
3273 memory for them. */
3274 reltext = FALSE;
3275 for (s = dynobj->sections; s != NULL; s = s->next)
3277 const char *name;
3279 if ((s->flags & SEC_LINKER_CREATED) == 0)
3280 continue;
3282 /* It's OK to base decisions on the section name, because none
3283 of the dynobj section names depend upon the input files. */
3284 name = bfd_get_section_name (dynobj, s);
3286 if (CONST_STRNEQ (name, ".rel"))
3288 if (s->size == 0)
3290 /* We only strip the section if the output section name
3291 has the same name. Otherwise, there might be several
3292 input sections for this output section. FIXME: This
3293 code is probably not needed these days anyhow, since
3294 the linker now does not create empty output sections. */
3295 if (s->output_section != NULL
3296 && strcmp (name,
3297 bfd_get_section_name (s->output_section->owner,
3298 s->output_section)) == 0)
3299 s->flags |= SEC_EXCLUDE;
3301 else
3303 const char *outname;
3304 asection *target;
3306 /* If this relocation section applies to a read only
3307 section, then we probably need a DT_TEXTREL entry.
3308 If the relocation section is .rel.dyn, we always
3309 assert a DT_TEXTREL entry rather than testing whether
3310 there exists a relocation to a read only section or
3311 not. */
3312 outname = bfd_get_section_name (output_bfd, s->output_section);
3313 target = bfd_get_section_by_name (output_bfd, outname + 4);
3314 if ((target != NULL
3315 && (target->flags & SEC_READONLY) != 0
3316 && (target->flags & SEC_ALLOC) != 0) || strcmp (outname, ".rel.dyn") == 0)
3317 reltext = TRUE;
3319 /* We use the reloc_count field as a counter if we need
3320 to copy relocs into the output file. */
3321 if (strcmp (name, ".rel.dyn") != 0)
3322 s->reloc_count = 0;
3325 else if (CONST_STRNEQ (name, ".got"))
3327 /* s3_bfd_score_elf_always_size_sections() has already done
3328 most of the work, but some symbols may have been mapped
3329 to versions that we must now resolve in the got_entries
3330 hash tables. */
3332 else if (strcmp (name, SCORE_ELF_STUB_SECTION_NAME) == 0)
3334 /* IRIX rld assumes that the function stub isn't at the end
3335 of .text section. So put a dummy. XXX */
3336 s->size += SCORE_FUNCTION_STUB_SIZE;
3338 else if (! CONST_STRNEQ (name, ".init"))
3340 /* It's not one of our sections, so don't allocate space. */
3341 continue;
3344 /* Allocate memory for the section contents. */
3345 s->contents = bfd_zalloc (dynobj, s->size);
3346 if (s->contents == NULL && s->size != 0)
3348 bfd_set_error (bfd_error_no_memory);
3349 return FALSE;
3353 if (elf_hash_table (info)->dynamic_sections_created)
3355 /* Add some entries to the .dynamic section. We fill in the
3356 values later, in s3_bfd_score_elf_finish_dynamic_sections, but we
3357 must add the entries now so that we get the correct size for
3358 the .dynamic section. The DT_DEBUG entry is filled in by the
3359 dynamic linker and used by the debugger. */
3361 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_DEBUG, 0))
3362 return FALSE;
3364 if (reltext)
3365 info->flags |= DF_TEXTREL;
3367 if ((info->flags & DF_TEXTREL) != 0)
3369 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_TEXTREL, 0))
3370 return FALSE;
3373 if (! SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_PLTGOT, 0))
3374 return FALSE;
3376 if (score_elf_rel_dyn_section (dynobj, FALSE))
3378 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_REL, 0))
3379 return FALSE;
3381 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELSZ, 0))
3382 return FALSE;
3384 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_RELENT, 0))
3385 return FALSE;
3388 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_BASE_ADDRESS, 0))
3389 return FALSE;
3391 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_LOCAL_GOTNO, 0))
3392 return FALSE;
3394 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_SYMTABNO, 0))
3395 return FALSE;
3397 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_UNREFEXTNO, 0))
3398 return FALSE;
3400 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_GOTSYM, 0))
3401 return FALSE;
3403 if (!SCORE_ELF_ADD_DYNAMIC_ENTRY (info, DT_SCORE_HIPAGENO, 0))
3404 return FALSE;
3407 return TRUE;
3410 static bfd_boolean
3411 s3_bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
3413 struct elf_link_hash_entry *h;
3414 struct bfd_link_hash_entry *bh;
3415 flagword flags;
3416 asection *s;
3418 flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
3419 | SEC_LINKER_CREATED | SEC_READONLY);
3421 /* ABI requests the .dynamic section to be read only. */
3422 s = bfd_get_section_by_name (abfd, ".dynamic");
3423 if (s != NULL)
3425 if (!bfd_set_section_flags (abfd, s, flags))
3426 return FALSE;
3429 /* We need to create .got section. */
3430 if (!score_elf_create_got_section (abfd, info, FALSE))
3431 return FALSE;
3433 if (!score_elf_rel_dyn_section (elf_hash_table (info)->dynobj, TRUE))
3434 return FALSE;
3436 /* Create .stub section. */
3437 if (bfd_get_section_by_name (abfd, SCORE_ELF_STUB_SECTION_NAME) == NULL)
3439 s = bfd_make_section_with_flags (abfd, SCORE_ELF_STUB_SECTION_NAME,
3440 flags | SEC_CODE);
3441 if (s == NULL
3442 || !bfd_set_section_alignment (abfd, s, 2))
3444 return FALSE;
3447 if (!info->shared)
3449 const char *name;
3451 name = "_DYNAMIC_LINK";
3452 bh = NULL;
3453 if (!(_bfd_generic_link_add_one_symbol
3454 (info, abfd, name, BSF_GLOBAL, bfd_abs_section_ptr,
3455 (bfd_vma) 0, NULL, FALSE, get_elf_backend_data (abfd)->collect, &bh)))
3456 return FALSE;
3458 h = (struct elf_link_hash_entry *)bh;
3459 h->non_elf = 0;
3460 h->def_regular = 1;
3461 h->type = STT_SECTION;
3463 if (!bfd_elf_link_record_dynamic_symbol (info, h))
3464 return FALSE;
3467 return TRUE;
3471 /* Finish up dynamic symbol handling. We set the contents of various
3472 dynamic sections here. */
3473 static bfd_boolean
3474 s3_bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
3475 struct bfd_link_info *info,
3476 struct elf_link_hash_entry *h,
3477 Elf_Internal_Sym *sym)
3479 bfd *dynobj;
3480 asection *sgot;
3481 struct score_got_info *g;
3482 const char *name;
3484 dynobj = elf_hash_table (info)->dynobj;
3486 if (h->plt.offset != MINUS_ONE)
3488 asection *s;
3489 bfd_byte stub[SCORE_FUNCTION_STUB_SIZE];
3491 /* This symbol has a stub. Set it up. */
3492 BFD_ASSERT (h->dynindx != -1);
3494 s = bfd_get_section_by_name (dynobj, SCORE_ELF_STUB_SECTION_NAME);
3495 BFD_ASSERT (s != NULL);
3497 /* FIXME: Can h->dynindex be more than 64K? */
3498 if (h->dynindx & 0xffff0000)
3499 return FALSE;
3501 /* Fill the stub. */
3502 score_bfd_put_32 (output_bfd, STUB_LW, stub);
3503 score_bfd_put_32 (output_bfd, STUB_MOVE, stub + 4);
3504 score_bfd_put_32 (output_bfd, STUB_LI16 | (h->dynindx << 1), stub + 8);
3505 score_bfd_put_32 (output_bfd, STUB_BRL, stub + 12);
3507 BFD_ASSERT (h->plt.offset <= s->size);
3508 memcpy (s->contents + h->plt.offset, stub, SCORE_FUNCTION_STUB_SIZE);
3510 /* Mark the symbol as undefined. plt.offset != -1 occurs
3511 only for the referenced symbol. */
3512 sym->st_shndx = SHN_UNDEF;
3514 /* The run-time linker uses the st_value field of the symbol
3515 to reset the global offset table entry for this external
3516 to its stub address when unlinking a shared object. */
3517 sym->st_value = (s->output_section->vma + s->output_offset + h->plt.offset);
3520 BFD_ASSERT (h->dynindx != -1 || h->forced_local);
3522 sgot = score_elf_got_section (dynobj, FALSE);
3523 BFD_ASSERT (sgot != NULL);
3524 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3525 g = score_elf_section_data (sgot)->u.got_info;
3526 BFD_ASSERT (g != NULL);
3528 /* Run through the global symbol table, creating GOT entries for all
3529 the symbols that need them. */
3530 if (g->global_gotsym != NULL && h->dynindx >= g->global_gotsym->dynindx)
3532 bfd_vma offset;
3533 bfd_vma value;
3535 value = sym->st_value;
3536 offset = score_elf_global_got_index (dynobj, h);
3537 score_bfd_put_32 (output_bfd, value, sgot->contents + offset);
3540 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
3541 name = h->root.root.string;
3542 if (strcmp (name, "_DYNAMIC") == 0 || strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0)
3543 sym->st_shndx = SHN_ABS;
3544 else if (strcmp (name, "_DYNAMIC_LINK") == 0)
3546 sym->st_shndx = SHN_ABS;
3547 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3548 sym->st_value = 1;
3550 else if (strcmp (name, GP_DISP_LABEL) == 0)
3552 sym->st_shndx = SHN_ABS;
3553 sym->st_info = ELF_ST_INFO (STB_GLOBAL, STT_SECTION);
3554 sym->st_value = elf_gp (output_bfd);
3557 return TRUE;
3560 /* Finish up the dynamic sections. */
3561 static bfd_boolean
3562 s3_bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
3563 struct bfd_link_info *info)
3565 bfd *dynobj;
3566 asection *sdyn;
3567 asection *sgot;
3568 asection *s;
3569 struct score_got_info *g;
3571 dynobj = elf_hash_table (info)->dynobj;
3573 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3575 sgot = score_elf_got_section (dynobj, FALSE);
3576 if (sgot == NULL)
3577 g = NULL;
3578 else
3580 BFD_ASSERT (score_elf_section_data (sgot) != NULL);
3581 g = score_elf_section_data (sgot)->u.got_info;
3582 BFD_ASSERT (g != NULL);
3585 if (elf_hash_table (info)->dynamic_sections_created)
3587 bfd_byte *b;
3589 BFD_ASSERT (sdyn != NULL);
3590 BFD_ASSERT (g != NULL);
3592 for (b = sdyn->contents;
3593 b < sdyn->contents + sdyn->size;
3594 b += SCORE_ELF_DYN_SIZE (dynobj))
3596 Elf_Internal_Dyn dyn;
3597 const char *name;
3598 size_t elemsize;
3599 bfd_boolean swap_out_p;
3601 /* Read in the current dynamic entry. */
3602 (*get_elf_backend_data (dynobj)->s->swap_dyn_in) (dynobj, b, &dyn);
3604 /* Assume that we're going to modify it and write it out. */
3605 swap_out_p = TRUE;
3607 switch (dyn.d_tag)
3609 case DT_RELENT:
3610 s = score_elf_rel_dyn_section (dynobj, FALSE);
3611 BFD_ASSERT (s != NULL);
3612 dyn.d_un.d_val = SCORE_ELF_REL_SIZE (dynobj);
3613 break;
3615 case DT_STRSZ:
3616 /* Rewrite DT_STRSZ. */
3617 dyn.d_un.d_val = _bfd_elf_strtab_size (elf_hash_table (info)->dynstr);
3618 break;
3620 case DT_PLTGOT:
3621 name = ".got";
3622 s = bfd_get_section_by_name (output_bfd, name);
3623 BFD_ASSERT (s != NULL);
3624 dyn.d_un.d_ptr = s->vma;
3625 break;
3627 case DT_SCORE_BASE_ADDRESS:
3628 s = output_bfd->sections;
3629 BFD_ASSERT (s != NULL);
3630 dyn.d_un.d_ptr = s->vma & ~(bfd_vma) 0xffff;
3631 break;
3633 case DT_SCORE_LOCAL_GOTNO:
3634 dyn.d_un.d_val = g->local_gotno;
3635 break;
3637 case DT_SCORE_UNREFEXTNO:
3638 /* The index into the dynamic symbol table which is the
3639 entry of the first external symbol that is not
3640 referenced within the same object. */
3641 dyn.d_un.d_val = bfd_count_sections (output_bfd) + 1;
3642 break;
3644 case DT_SCORE_GOTSYM:
3645 if (g->global_gotsym)
3647 dyn.d_un.d_val = g->global_gotsym->dynindx;
3648 break;
3650 /* In case if we don't have global got symbols we default
3651 to setting DT_SCORE_GOTSYM to the same value as
3652 DT_SCORE_SYMTABNO, so we just fall through. */
3654 case DT_SCORE_SYMTABNO:
3655 name = ".dynsym";
3656 elemsize = SCORE_ELF_SYM_SIZE (output_bfd);
3657 s = bfd_get_section_by_name (output_bfd, name);
3658 BFD_ASSERT (s != NULL);
3660 dyn.d_un.d_val = s->size / elemsize;
3661 break;
3663 case DT_SCORE_HIPAGENO:
3664 dyn.d_un.d_val = g->local_gotno - SCORE_RESERVED_GOTNO;
3665 break;
3667 default:
3668 swap_out_p = FALSE;
3669 break;
3672 if (swap_out_p)
3673 (*get_elf_backend_data (dynobj)->s->swap_dyn_out) (dynobj, &dyn, b);
3677 /* The first entry of the global offset table will be filled at
3678 runtime. The second entry will be used by some runtime loaders.
3679 This isn't the case of IRIX rld. */
3680 if (sgot != NULL && sgot->size > 0)
3682 score_bfd_put_32 (output_bfd, 0, sgot->contents);
3683 score_bfd_put_32 (output_bfd, 0x80000000, sgot->contents + SCORE_ELF_GOT_SIZE (output_bfd));
3686 if (sgot != NULL)
3687 elf_section_data (sgot->output_section)->this_hdr.sh_entsize
3688 = SCORE_ELF_GOT_SIZE (output_bfd);
3691 /* We need to sort the entries of the dynamic relocation section. */
3692 s = score_elf_rel_dyn_section (dynobj, FALSE);
3694 if (s != NULL && s->size > (bfd_vma)2 * SCORE_ELF_REL_SIZE (output_bfd))
3696 reldyn_sorting_bfd = output_bfd;
3697 qsort ((Elf32_External_Rel *) s->contents + 1, s->reloc_count - 1,
3698 sizeof (Elf32_External_Rel), score_elf_sort_dynamic_relocs);
3701 return TRUE;
3704 /* This function set up the ELF section header for a BFD section in preparation for writing
3705 it out. This is where the flags and type fields are set for unusual sections. */
3706 static bfd_boolean
3707 s3_bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
3708 Elf_Internal_Shdr *hdr,
3709 asection *sec)
3711 const char *name;
3713 name = bfd_get_section_name (abfd, sec);
3715 if (strcmp (name, ".got") == 0
3716 || strcmp (name, ".srdata") == 0
3717 || strcmp (name, ".sdata") == 0
3718 || strcmp (name, ".sbss") == 0)
3719 hdr->sh_flags |= SHF_SCORE_GPREL;
3721 return TRUE;
3724 /* This function do additional processing on the ELF section header before writing
3725 it out. This is used to set the flags and type fields for some sections. */
3727 /* assign_file_positions_except_relocs() check section flag and if it is allocatable,
3728 warning message will be issued. backend_fake_section is called before
3729 assign_file_positions_except_relocs(); backend_section_processing after it. so, we
3730 modify section flag there, but not backend_fake_section. */
3731 static bfd_boolean
3732 s3_bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
3734 if (hdr->bfd_section != NULL)
3736 const char *name = bfd_get_section_name (abfd, hdr->bfd_section);
3738 if (strcmp (name, ".sdata") == 0)
3740 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3741 hdr->sh_type = SHT_PROGBITS;
3743 else if (strcmp (name, ".sbss") == 0)
3745 hdr->sh_flags |= SHF_ALLOC | SHF_WRITE | SHF_SCORE_GPREL;
3746 hdr->sh_type = SHT_NOBITS;
3748 else if (strcmp (name, ".srdata") == 0)
3750 hdr->sh_flags |= SHF_ALLOC | SHF_SCORE_GPREL;
3751 hdr->sh_type = SHT_PROGBITS;
3755 return TRUE;
3758 static bfd_boolean
3759 s3_bfd_score_elf_write_section (bfd *output_bfd, asection *sec, bfd_byte *contents)
3761 bfd_byte *to, *from, *end;
3762 int i;
3764 if (strcmp (sec->name, ".pdr") != 0)
3765 return FALSE;
3767 if (score_elf_section_data (sec)->u.tdata == NULL)
3768 return FALSE;
3770 to = contents;
3771 end = contents + sec->size;
3772 for (from = contents, i = 0; from < end; from += PDR_SIZE, i++)
3774 if ((score_elf_section_data (sec)->u.tdata)[i] == 1)
3775 continue;
3777 if (to != from)
3778 memcpy (to, from, PDR_SIZE);
3780 to += PDR_SIZE;
3782 bfd_set_section_contents (output_bfd, sec->output_section, contents,
3783 (file_ptr) sec->output_offset, sec->size);
3785 return TRUE;
3788 /* Copy data from a SCORE ELF indirect symbol to its direct symbol, hiding the old
3789 indirect symbol. Process additional relocation information. */
3790 static void
3791 s3_bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
3792 struct elf_link_hash_entry *dir,
3793 struct elf_link_hash_entry *ind)
3795 struct score_elf_link_hash_entry *dirscore, *indscore;
3797 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
3799 if (ind->root.type != bfd_link_hash_indirect)
3800 return;
3802 dirscore = (struct score_elf_link_hash_entry *) dir;
3803 indscore = (struct score_elf_link_hash_entry *) ind;
3804 dirscore->possibly_dynamic_relocs += indscore->possibly_dynamic_relocs;
3806 if (indscore->readonly_reloc)
3807 dirscore->readonly_reloc = TRUE;
3809 if (indscore->no_fn_stub)
3810 dirscore->no_fn_stub = TRUE;
3813 /* Remove information about discarded functions from other sections which mention them. */
3814 static bfd_boolean
3815 s3_bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
3816 struct bfd_link_info *info)
3818 asection *o;
3819 bfd_boolean ret = FALSE;
3820 unsigned char *tdata;
3821 size_t i, skip;
3823 o = bfd_get_section_by_name (abfd, ".pdr");
3824 if ((!o) || (o->size == 0) || (o->size % PDR_SIZE != 0)
3825 || (o->output_section != NULL && bfd_is_abs_section (o->output_section)))
3826 return FALSE;
3828 tdata = bfd_zmalloc (o->size / PDR_SIZE);
3829 if (!tdata)
3830 return FALSE;
3832 cookie->rels = _bfd_elf_link_read_relocs (abfd, o, NULL, NULL, info->keep_memory);
3833 if (!cookie->rels)
3835 free (tdata);
3836 return FALSE;
3839 cookie->rel = cookie->rels;
3840 cookie->relend = cookie->rels + o->reloc_count;
3842 for (i = 0, skip = 0; i < o->size; i++)
3844 if (bfd_elf_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
3846 tdata[i] = 1;
3847 skip++;
3851 if (skip != 0)
3853 score_elf_section_data (o)->u.tdata = tdata;
3854 o->size -= skip * PDR_SIZE;
3855 ret = TRUE;
3857 else
3858 free (tdata);
3860 if (!info->keep_memory)
3861 free (cookie->rels);
3863 return ret;
3866 /* Signal that discard_info() has removed the discarded relocations for this section. */
3867 static bfd_boolean
3868 s3_bfd_score_elf_ignore_discarded_relocs (asection *sec)
3870 if (strcmp (sec->name, ".pdr") == 0)
3871 return TRUE;
3872 return FALSE;
3875 /* Return the section that should be marked against GC for a given
3876 relocation. */
3877 static asection *
3878 s3_bfd_score_elf_gc_mark_hook (asection *sec,
3879 struct bfd_link_info *info,
3880 Elf_Internal_Rela *rel,
3881 struct elf_link_hash_entry *h,
3882 Elf_Internal_Sym *sym)
3884 if (h != NULL)
3885 switch (ELF32_R_TYPE (rel->r_info))
3887 case R_SCORE_GNU_VTINHERIT:
3888 case R_SCORE_GNU_VTENTRY:
3889 return NULL;
3892 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
3895 /* Support for core dump NOTE sections. */
3897 static bfd_boolean
3898 s3_bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
3900 int offset;
3901 unsigned int raw_size;
3903 switch (note->descsz)
3905 default:
3906 return FALSE;
3908 case 148: /* Linux/Score 32-bit. */
3909 /* pr_cursig */
3910 elf_tdata (abfd)->core_signal = score_bfd_get_16 (abfd, note->descdata + 12);
3912 /* pr_pid */
3913 elf_tdata (abfd)->core_lwpid = score_bfd_get_32 (abfd, note->descdata + 24);
3915 /* pr_reg */
3916 offset = 72;
3917 raw_size = 72;
3919 break;
3922 /* Make a ".reg/999" section. */
3923 return _bfd_elfcore_make_pseudosection (abfd, ".reg", raw_size, note->descpos + offset);
3926 static bfd_boolean
3927 s3_bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3929 switch (note->descsz)
3931 default:
3932 return FALSE;
3934 case 124: /* Linux/Score elf_prpsinfo. */
3935 elf_tdata (abfd)->core_program = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
3936 elf_tdata (abfd)->core_command = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
3939 /* Note that for some reason, a spurious space is tacked
3940 onto the end of the args in some (at least one anyway)
3941 implementations, so strip it off if it exists. */
3944 char *command = elf_tdata (abfd)->core_command;
3945 int n = strlen (command);
3947 if (0 < n && command[n - 1] == ' ')
3948 command[n - 1] = '\0';
3951 return TRUE;
3955 /* Score BFD functions. */
3956 static reloc_howto_type *
3957 s3_elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
3959 unsigned int i;
3961 for (i = 0; i < ARRAY_SIZE (elf32_score_reloc_map); i++)
3962 if (elf32_score_reloc_map[i].bfd_reloc_val == code)
3963 return &elf32_score_howto_table[elf32_score_reloc_map[i].elf_reloc_val];
3965 return NULL;
3968 static reloc_howto_type *
3969 elf32_score_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
3970 const char *r_name)
3972 unsigned int i;
3974 for (i = 0;
3975 i < (sizeof (elf32_score_howto_table)
3976 / sizeof (elf32_score_howto_table[0]));
3977 i++)
3978 if (elf32_score_howto_table[i].name != NULL
3979 && strcasecmp (elf32_score_howto_table[i].name, r_name) == 0)
3980 return &elf32_score_howto_table[i];
3982 return NULL;
3985 static bfd_boolean
3986 s3_elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
3988 FILE *file = (FILE *) ptr;
3990 BFD_ASSERT (abfd != NULL && ptr != NULL);
3992 /* Print normal ELF private data. */
3993 _bfd_elf_print_private_bfd_data (abfd, ptr);
3995 /* xgettext:c-format */
3996 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
3997 if (elf_elfheader (abfd)->e_flags & EF_SCORE_PIC)
3999 fprintf (file, _(" [pic]"));
4001 if (elf_elfheader (abfd)->e_flags & EF_SCORE_FIXDEP)
4003 fprintf (file, _(" [fix dep]"));
4005 fputc ('\n', file);
4007 return TRUE;
4010 static bfd_boolean
4011 s3_elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4013 flagword in_flags;
4014 flagword out_flags;
4016 if (!_bfd_generic_verify_endian_match (ibfd, obfd))
4017 return FALSE;
4019 in_flags = elf_elfheader (ibfd)->e_flags;
4020 out_flags = elf_elfheader (obfd)->e_flags;
4022 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
4023 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
4024 return TRUE;
4026 in_flags = elf_elfheader (ibfd)->e_flags;
4027 out_flags = elf_elfheader (obfd)->e_flags;
4029 if (! elf_flags_init (obfd))
4031 elf_flags_init (obfd) = TRUE;
4032 elf_elfheader (obfd)->e_flags = in_flags;
4034 if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
4035 && bfd_get_arch_info (obfd)->the_default)
4037 return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), bfd_get_mach (ibfd));
4040 return TRUE;
4043 if (((in_flags & EF_SCORE_PIC) != 0) != ((out_flags & EF_SCORE_PIC) != 0))
4045 (*_bfd_error_handler) (_("%B: warning: linking PIC files with non-PIC files"), ibfd);
4048 /* FIXME: Maybe dependency fix compatibility should be checked here. */
4050 return TRUE;
4053 static bfd_boolean
4054 s3_elf32_score_new_section_hook (bfd *abfd, asection *sec)
4056 struct _score_elf_section_data *sdata;
4057 bfd_size_type amt = sizeof (*sdata);
4059 sdata = bfd_zalloc (abfd, amt);
4060 if (sdata == NULL)
4061 return FALSE;
4062 sec->used_by_bfd = sdata;
4064 return _bfd_elf_new_section_hook (abfd, sec);
4067 /*****************************************************************************/
4069 /* s3_s7: backend hooks. */
4070 static void
4071 _bfd_score_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
4072 arelent *bfd_reloc,
4073 Elf_Internal_Rela *elf_reloc)
4075 if (bfd_get_mach (abfd) == bfd_mach_score3)
4076 return s3_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
4077 else
4078 return s7_bfd_score_info_to_howto (abfd, bfd_reloc, elf_reloc);
4081 static bfd_boolean
4082 _bfd_score_elf_relocate_section (bfd *output_bfd,
4083 struct bfd_link_info *info,
4084 bfd *input_bfd,
4085 asection *input_section,
4086 bfd_byte *contents,
4087 Elf_Internal_Rela *relocs,
4088 Elf_Internal_Sym *local_syms,
4089 asection **local_sections)
4091 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4092 return s3_bfd_score_elf_relocate_section (output_bfd,
4093 info, input_bfd, input_section, contents, relocs,
4094 local_syms, local_sections);
4095 else
4096 return s7_bfd_score_elf_relocate_section (output_bfd,
4097 info, input_bfd, input_section, contents, relocs,
4098 local_syms, local_sections);
4101 static bfd_boolean
4102 _bfd_score_elf_check_relocs (bfd *abfd,
4103 struct bfd_link_info *info,
4104 asection *sec,
4105 const Elf_Internal_Rela *relocs)
4107 if (bfd_get_mach (abfd) == bfd_mach_score3)
4108 return s3_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
4109 else
4110 return s7_bfd_score_elf_check_relocs (abfd, info, sec, relocs);
4113 static bfd_boolean
4114 _bfd_score_elf_add_symbol_hook (bfd *abfd,
4115 struct bfd_link_info *info ATTRIBUTE_UNUSED,
4116 Elf_Internal_Sym *sym,
4117 const char **namep ATTRIBUTE_UNUSED,
4118 flagword *flagsp ATTRIBUTE_UNUSED,
4119 asection **secp,
4120 bfd_vma *valp)
4122 if (bfd_get_mach (abfd) == bfd_mach_score3)
4123 return s3_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
4124 secp, valp);
4125 else
4126 return s7_bfd_score_elf_add_symbol_hook (abfd, info, sym, namep, flagsp,
4127 secp, valp);
4130 static void
4131 _bfd_score_elf_symbol_processing (bfd *abfd, asymbol *asym)
4133 if (bfd_get_mach (abfd) == bfd_mach_score3)
4134 return s3_bfd_score_elf_symbol_processing (abfd, asym);
4135 else
4136 return s7_bfd_score_elf_symbol_processing (abfd, asym);
4139 static int
4140 _bfd_score_elf_link_output_symbol_hook (struct bfd_link_info *info ATTRIBUTE_UNUSED,
4141 const char *name ATTRIBUTE_UNUSED,
4142 Elf_Internal_Sym *sym,
4143 asection *input_sec,
4144 struct elf_link_hash_entry *h ATTRIBUTE_UNUSED)
4146 /* If link a empty .o, then this filed is NULL. */
4147 if (info->input_bfds == NULL)
4149 /* If we see a common symbol, which implies a relocatable link, then
4150 if a symbol was small common in an input file, mark it as small
4151 common in the output file. */
4152 if (sym->st_shndx == SHN_COMMON && strcmp (input_sec->name, ".scommon") == 0)
4153 sym->st_shndx = SHN_SCORE_SCOMMON;
4154 return 1;
4157 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4158 return s3_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
4159 else
4160 return s7_bfd_score_elf_link_output_symbol_hook (info, name, sym, input_sec, h);
4163 static bfd_boolean
4164 _bfd_score_elf_section_from_bfd_section (bfd *abfd ATTRIBUTE_UNUSED,
4165 asection *sec,
4166 int *retval)
4168 if (bfd_get_mach (abfd) == bfd_mach_score3)
4169 return s3_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
4170 else
4171 return s7_bfd_score_elf_section_from_bfd_section (abfd, sec, retval);
4174 static bfd_boolean
4175 _bfd_score_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
4176 struct elf_link_hash_entry *h)
4178 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4179 return s3_bfd_score_elf_adjust_dynamic_symbol (info, h);
4180 else
4181 return s7_bfd_score_elf_adjust_dynamic_symbol (info, h);
4184 static bfd_boolean
4185 _bfd_score_elf_always_size_sections (bfd *output_bfd,
4186 struct bfd_link_info *info)
4188 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4189 return s3_bfd_score_elf_always_size_sections (output_bfd, info);
4190 else
4191 return s7_bfd_score_elf_always_size_sections (output_bfd, info);
4194 static bfd_boolean
4195 _bfd_score_elf_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4197 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4198 return s3_bfd_score_elf_size_dynamic_sections (output_bfd, info);
4199 else
4200 return s7_bfd_score_elf_size_dynamic_sections (output_bfd, info);
4203 static bfd_boolean
4204 _bfd_score_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
4206 if (bfd_get_mach (abfd) == bfd_mach_score3)
4207 return s3_bfd_score_elf_create_dynamic_sections (abfd, info);
4208 else
4209 return s7_bfd_score_elf_create_dynamic_sections (abfd, info);
4212 static bfd_boolean
4213 _bfd_score_elf_finish_dynamic_symbol (bfd *output_bfd,
4214 struct bfd_link_info *info,
4215 struct elf_link_hash_entry *h,
4216 Elf_Internal_Sym *sym)
4218 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4219 return s3_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
4220 else
4221 return s7_bfd_score_elf_finish_dynamic_symbol (output_bfd, info, h, sym);
4224 static bfd_boolean
4225 _bfd_score_elf_finish_dynamic_sections (bfd *output_bfd,
4226 struct bfd_link_info *info)
4228 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4229 return s3_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
4230 else
4231 return s7_bfd_score_elf_finish_dynamic_sections (output_bfd, info);
4234 static bfd_boolean
4235 _bfd_score_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
4236 Elf_Internal_Shdr *hdr,
4237 asection *sec)
4239 if (bfd_get_mach (abfd) == bfd_mach_score3)
4240 return s3_bfd_score_elf_fake_sections (abfd, hdr, sec);
4241 else
4242 return s7_bfd_score_elf_fake_sections (abfd, hdr, sec);
4245 static bfd_boolean
4246 _bfd_score_elf_section_processing (bfd *abfd ATTRIBUTE_UNUSED, Elf_Internal_Shdr *hdr)
4248 if (bfd_get_mach (abfd) == bfd_mach_score3)
4249 return s3_bfd_score_elf_section_processing (abfd, hdr);
4250 else
4251 return s7_bfd_score_elf_section_processing (abfd, hdr);
4254 static bfd_boolean
4255 _bfd_score_elf_write_section (bfd *output_bfd,
4256 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
4257 asection *sec, bfd_byte *contents)
4259 if (bfd_get_mach (output_bfd) == bfd_mach_score3)
4260 return s3_bfd_score_elf_write_section (output_bfd, sec, contents);
4261 else
4262 return s7_bfd_score_elf_write_section (output_bfd, sec, contents);
4265 static void
4266 _bfd_score_elf_copy_indirect_symbol (struct bfd_link_info *info,
4267 struct elf_link_hash_entry *dir,
4268 struct elf_link_hash_entry *ind)
4270 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4271 return s3_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
4272 else
4273 return s7_bfd_score_elf_copy_indirect_symbol (info, dir, ind);
4276 static void
4277 _bfd_score_elf_hide_symbol (struct bfd_link_info *info,
4278 struct elf_link_hash_entry *entry,
4279 bfd_boolean force_local)
4281 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4282 return s3_bfd_score_elf_hide_symbol (info, entry, force_local);
4283 else
4284 return s7_bfd_score_elf_hide_symbol (info, entry, force_local);
4287 static bfd_boolean
4288 _bfd_score_elf_discard_info (bfd *abfd, struct elf_reloc_cookie *cookie,
4289 struct bfd_link_info *info)
4291 if (bfd_get_mach (abfd) == bfd_mach_score3)
4292 return s3_bfd_score_elf_discard_info (abfd, cookie, info);
4293 else
4294 return s7_bfd_score_elf_discard_info (abfd, cookie, info);
4297 static bfd_boolean
4298 _bfd_score_elf_ignore_discarded_relocs (asection *sec)
4300 if (bfd_get_mach (sec->owner) == bfd_mach_score3)
4301 return s3_bfd_score_elf_ignore_discarded_relocs (sec);
4302 else
4303 return s7_bfd_score_elf_ignore_discarded_relocs (sec);
4306 static asection *
4307 _bfd_score_elf_gc_mark_hook (asection *sec,
4308 struct bfd_link_info *info,
4309 Elf_Internal_Rela *rel,
4310 struct elf_link_hash_entry *h,
4311 Elf_Internal_Sym *sym)
4313 if (bfd_get_mach (info->input_bfds) == bfd_mach_score3)
4314 return s3_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
4315 else
4316 return s7_bfd_score_elf_gc_mark_hook (sec, info, rel, h, sym);
4319 static bfd_boolean
4320 _bfd_score_elf_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
4322 if (bfd_get_mach (abfd) == bfd_mach_score3)
4323 return s3_bfd_score_elf_grok_prstatus (abfd, note);
4324 else
4325 return s7_bfd_score_elf_grok_prstatus (abfd, note);
4328 static bfd_boolean
4329 _bfd_score_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
4331 if (bfd_get_mach (abfd) == bfd_mach_score3)
4332 return s3_bfd_score_elf_grok_psinfo (abfd, note);
4333 else
4334 return s7_bfd_score_elf_grok_psinfo (abfd, note);
4337 static reloc_howto_type *
4338 elf32_score_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code)
4340 /* s3: NOTE!!!
4341 gas will call elf32_score_reloc_type_lookup, and don't write elf file.
4342 So just using score3, but we don't know ld will call this or not.
4343 If so, this way can't work. */
4345 if (score3)
4346 return s3_elf32_score_reloc_type_lookup (abfd, code);
4347 else
4348 return s7_elf32_score_reloc_type_lookup (abfd, code);
4351 /* Create a score elf linker hash table.
4352 This is a copy of _bfd_elf_link_hash_table_create() except with a
4353 different hash table entry creation function. */
4355 static struct bfd_link_hash_table *
4356 elf32_score_link_hash_table_create (bfd *abfd)
4358 struct elf_link_hash_table *ret;
4359 bfd_size_type amt = sizeof (struct elf_link_hash_table);
4361 ret = (struct elf_link_hash_table *) bfd_malloc (amt);
4362 if (ret == NULL)
4363 return NULL;
4365 if (!_bfd_elf_link_hash_table_init (ret, abfd, score_elf_link_hash_newfunc,
4366 sizeof (struct score_elf_link_hash_entry),
4367 GENERIC_ELF_DATA))
4369 free (ret);
4370 return NULL;
4373 return &ret->root;
4376 static bfd_boolean
4377 elf32_score_print_private_bfd_data (bfd *abfd, void * ptr)
4379 if (bfd_get_mach (abfd) == bfd_mach_score3)
4380 return s3_elf32_score_print_private_bfd_data (abfd, ptr);
4381 else
4382 return s7_elf32_score_print_private_bfd_data (abfd, ptr);
4385 static bfd_boolean
4386 elf32_score_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4388 if (bfd_get_mach (obfd) == bfd_mach_score3)
4389 return s3_elf32_score_merge_private_bfd_data (ibfd, obfd);
4390 else
4391 return s7_elf32_score_merge_private_bfd_data (ibfd, obfd);
4394 static bfd_boolean
4395 elf32_score_new_section_hook (bfd *abfd, asection *sec)
4397 if (bfd_get_mach (abfd) == bfd_mach_score3)
4398 return s3_elf32_score_new_section_hook (abfd, sec);
4399 else
4400 return s7_elf32_score_new_section_hook (abfd, sec);
4404 /* s3_s7: don't need to split. */
4406 /* Set the right machine number. */
4407 static bfd_boolean
4408 _bfd_score_elf_score_object_p (bfd * abfd)
4410 int e_set = bfd_mach_score7;
4412 if (elf_elfheader (abfd)->e_machine == EM_SCORE)
4414 int e_mach = elf_elfheader (abfd)->e_flags & EF_SCORE_MACH & EF_OMIT_PIC_FIXDD;
4415 switch (e_mach)
4417 /* Set default target is score7. */
4418 default:
4419 case E_SCORE_MACH_SCORE7:
4420 e_set = bfd_mach_score7;
4421 break;
4423 case E_SCORE_MACH_SCORE3:
4424 e_set = bfd_mach_score3;
4425 break;
4429 return bfd_default_set_arch_mach (abfd, bfd_arch_score, e_set);
4432 bfd_boolean
4433 _bfd_score_elf_common_definition (Elf_Internal_Sym *sym)
4435 return (sym->st_shndx == SHN_COMMON || sym->st_shndx == SHN_SCORE_SCOMMON);
4438 /*****************************************************************************/
4441 #define USE_REL 1
4442 #define TARGET_LITTLE_SYM bfd_elf32_littlescore_vec
4443 #define TARGET_LITTLE_NAME "elf32-littlescore"
4444 #define TARGET_BIG_SYM bfd_elf32_bigscore_vec
4445 #define TARGET_BIG_NAME "elf32-bigscore"
4446 #define ELF_ARCH bfd_arch_score
4447 #define ELF_MACHINE_CODE EM_SCORE
4448 #define ELF_MACHINE_ALT1 EM_SCORE_OLD
4449 #define ELF_MAXPAGESIZE 0x8000
4451 #define elf_info_to_howto 0
4452 #define elf_info_to_howto_rel _bfd_score_info_to_howto
4453 #define elf_backend_relocate_section _bfd_score_elf_relocate_section
4454 #define elf_backend_check_relocs _bfd_score_elf_check_relocs
4455 #define elf_backend_add_symbol_hook _bfd_score_elf_add_symbol_hook
4456 #define elf_backend_symbol_processing _bfd_score_elf_symbol_processing
4457 #define elf_backend_link_output_symbol_hook \
4458 _bfd_score_elf_link_output_symbol_hook
4459 #define elf_backend_section_from_bfd_section \
4460 _bfd_score_elf_section_from_bfd_section
4461 #define elf_backend_adjust_dynamic_symbol \
4462 _bfd_score_elf_adjust_dynamic_symbol
4463 #define elf_backend_always_size_sections \
4464 _bfd_score_elf_always_size_sections
4465 #define elf_backend_size_dynamic_sections \
4466 _bfd_score_elf_size_dynamic_sections
4467 #define elf_backend_omit_section_dynsym \
4468 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
4469 #define elf_backend_create_dynamic_sections \
4470 _bfd_score_elf_create_dynamic_sections
4471 #define elf_backend_finish_dynamic_symbol \
4472 _bfd_score_elf_finish_dynamic_symbol
4473 #define elf_backend_finish_dynamic_sections \
4474 _bfd_score_elf_finish_dynamic_sections
4475 #define elf_backend_fake_sections _bfd_score_elf_fake_sections
4476 #define elf_backend_section_processing _bfd_score_elf_section_processing
4477 #define elf_backend_write_section _bfd_score_elf_write_section
4478 #define elf_backend_copy_indirect_symbol _bfd_score_elf_copy_indirect_symbol
4479 #define elf_backend_hide_symbol _bfd_score_elf_hide_symbol
4480 #define elf_backend_discard_info _bfd_score_elf_discard_info
4481 #define elf_backend_ignore_discarded_relocs \
4482 _bfd_score_elf_ignore_discarded_relocs
4483 #define elf_backend_gc_mark_hook _bfd_score_elf_gc_mark_hook
4484 #define elf_backend_grok_prstatus _bfd_score_elf_grok_prstatus
4485 #define elf_backend_grok_psinfo _bfd_score_elf_grok_psinfo
4486 #define elf_backend_can_gc_sections 1
4487 #define elf_backend_want_plt_sym 0
4488 #define elf_backend_got_header_size (4 * SCORE_RESERVED_GOTNO)
4489 #define elf_backend_plt_header_size 0
4490 #define elf_backend_collect TRUE
4491 #define elf_backend_type_change_ok TRUE
4492 #define elf_backend_object_p _bfd_score_elf_score_object_p
4494 #define bfd_elf32_bfd_reloc_type_lookup elf32_score_reloc_type_lookup
4495 #define bfd_elf32_bfd_reloc_name_lookup \
4496 elf32_score_reloc_name_lookup
4497 #define bfd_elf32_bfd_link_hash_table_create elf32_score_link_hash_table_create
4498 #define bfd_elf32_bfd_print_private_bfd_data elf32_score_print_private_bfd_data
4499 #define bfd_elf32_bfd_merge_private_bfd_data elf32_score_merge_private_bfd_data
4500 #define bfd_elf32_new_section_hook elf32_score_new_section_hook
4502 #include "elf32-target.h"