1 /* Visium-specific support for 32-bit ELF.
3 Copyright (C) 2003-2015 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 #include "elf/visium.h"
29 static bfd_reloc_status_type visium_elf_howto_parity_reloc
30 (bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **);
32 static reloc_howto_type visium_elf_howto_table[] = {
33 /* This reloc does nothing. */
34 HOWTO (R_VISIUM_NONE, /* type */
36 3, /* size (0 = byte, 1 = short, 2 = long) */
38 FALSE, /* pc_relative */
40 complain_overflow_dont, /* complain_on_overflow */
41 bfd_elf_generic_reloc, /* special_function */
42 "R_VISIUM_NONE", /* name */
43 FALSE, /* partial_inplace */
46 FALSE), /* pcrel_offset */
48 /* A 8 bit absolute relocation. */
49 HOWTO (R_VISIUM_8, /* type */
51 0, /* size (0 = byte, 1 = short, 2 = long) */
53 FALSE, /* pc_relative */
55 complain_overflow_bitfield, /* complain_on_overflow */
56 bfd_elf_generic_reloc, /* special_function */
57 "R_VISIUM_8", /* name */
58 FALSE, /* partial_inplace */
61 FALSE), /* pcrel_offset */
63 /* A 16 bit absolute relocation. */
64 HOWTO (R_VISIUM_16, /* type */
66 1, /* size (0 = byte, 1 = short, 2 = long) */
68 FALSE, /* pc_relative */
70 complain_overflow_bitfield, /* complain_on_overflow */
71 bfd_elf_generic_reloc, /* special_function */
72 "R_VISIUM_16", /* name */
73 FALSE, /* partial_inplace */
74 0x0000, /* src_mask */
75 0xffff, /* dst_mask */
76 FALSE), /* pcrel_offset */
78 /* A 32 bit absolute relocation. */
79 HOWTO (R_VISIUM_32, /* type */
81 2, /* size (0 = byte, 1 = short, 2 = long) */
83 FALSE, /* pc_relative */
85 complain_overflow_bitfield, /* complain_on_overflow */
86 bfd_elf_generic_reloc, /* special_function */
87 "R_VISIUM_32", /* name */
88 FALSE, /* partial_inplace */
89 0x00000000, /* src_mask */
90 0xffffffff, /* dst_mask */
91 FALSE), /* pcrel_offset */
94 /* A 8 bit PC relative relocation. */
95 HOWTO (R_VISIUM_8_PCREL, /* type */
97 0, /* size (0 = byte, 1 = short, 2 = long) */
99 TRUE, /* pc_relative */
101 complain_overflow_bitfield, /* complain_on_overflow */
102 bfd_elf_generic_reloc, /* special_function */
103 "R_VISIUM_8_PCREL", /* name */
104 FALSE, /* partial_inplace */
107 TRUE), /* pcrel_offset */
109 /* A 16 bit PC relative relocation. */
110 HOWTO (R_VISIUM_16_PCREL, /* type */
112 1, /* size (0 = byte, 1 = short, 2 = long) */
114 TRUE, /* pc_relative */
116 complain_overflow_bitfield, /* complain_on_overflow */
117 bfd_elf_generic_reloc, /* special_function */
118 "R_VISIUM_16_PCREL", /* name */
119 FALSE, /* partial inplace */
120 0x0000, /* src_mask */
121 0xffff, /* dst_mask */
122 TRUE), /* pcrel_offset */
124 /* A 32-bit PC relative relocation. */
125 HOWTO (R_VISIUM_32_PCREL, /* type */
127 2, /* size (0 = byte, 1 = short, 2 = long) */
129 TRUE, /* pc_relative */
131 complain_overflow_bitfield, /* complain_on_overflow */
132 bfd_elf_generic_reloc, /* special_function */
133 "R_VISIUM_32_PCREL", /* name */
134 FALSE, /* partial_inplace */
136 0xffffffff, /* dst_mask */
137 TRUE), /* pcrel_offset */
139 /* A 16-bit PC word relative offset, relative to start of instruction
140 and always in the second half of the instruction. */
141 HOWTO (R_VISIUM_PC16, /* type */
143 2, /* size (0 = byte, 1 = short, 2 = long) */
145 TRUE, /* pc_relative */
147 complain_overflow_signed, /* complain_on_overflow */
148 visium_elf_howto_parity_reloc, /* special_function */
149 "R_VISIUM_PC16", /* name */
150 FALSE, /* partial_inplace */
151 0x00000000, /* src_mask */
152 0x0000ffff, /* dst_mask */
153 TRUE), /* pcrel_offset */
155 /* The high 16 bits of symbol value. */
156 HOWTO (R_VISIUM_HI16, /* type */
158 2, /* size (0 = byte, 1 = short, 2 = long) */
160 FALSE, /* pc_relative */
162 complain_overflow_dont, /* complain_on_overflow */
163 visium_elf_howto_parity_reloc, /* special_function */
164 "R_VISIUM_HI16", /* name */
165 FALSE, /* partial_inplace */
166 0x00000000, /* src_mask */
167 0x0000ffff, /* dst_mask */
168 FALSE), /* pcrel_offset */
170 /* The low 16 bits of symbol value. */
171 HOWTO (R_VISIUM_LO16, /* type */
173 2, /* size (0 = byte, 1 = short, 2 = long) */
175 FALSE, /* pc_relative */
177 complain_overflow_dont, /* complain_on_overflow */
178 visium_elf_howto_parity_reloc, /* special_function */
179 "R_VISIUM_LO16", /* name */
180 FALSE, /* partial_inplace */
181 0x00000000, /* src_mask */
182 0x0000ffff, /* dst_mask */
183 FALSE), /* pcrel_offset */
185 /* A 16 bit immediate value. */
186 HOWTO (R_VISIUM_IM16, /* type */
188 2, /* size (0 = byte, 1 = short, 2 = long) */
190 FALSE, /* pc_relative */
192 complain_overflow_unsigned, /* complain_on_overflow */
193 visium_elf_howto_parity_reloc, /* special_function */
194 "R_VISIUM_IM16", /* name */
195 FALSE, /* partial_inplace */
196 0x0000000, /* src_mask */
197 0x000ffff, /* dst_mask */
198 FALSE), /* pcrel_offset */
200 /* The high 16 bits of symbol value, pc relative. */
201 HOWTO (R_VISIUM_HI16_PCREL, /* type */
203 2, /* size (0 = byte, 1 = short, 2 = long) */
205 TRUE, /* pc_relative */
207 complain_overflow_dont, /* complain_on_overflow */
208 visium_elf_howto_parity_reloc, /* special_function */
209 "R_VISIUM_HI16_PCREL", /* name */
210 FALSE, /* partial_inplace */
211 0x00000000, /* src_mask */
212 0x0000ffff, /* dst_mask */
213 TRUE), /* pcrel_offset */
215 /* The low 16 bits of symbol value, pc relative. */
216 HOWTO (R_VISIUM_LO16_PCREL, /* type */
218 2, /* size (0 = byte, 1 = short, 2 = long) */
220 TRUE, /* pc_relative */
222 complain_overflow_dont, /* complain_on_overflow */
223 visium_elf_howto_parity_reloc, /* special_function */
224 "R_VISIUM_LO16_PCREL", /* name */
225 FALSE, /* partial_inplace */
226 0x00000000, /* src_mask */
227 0x0000ffff, /* dst_mask */
228 TRUE), /* pcrel_offset */
230 /* A 16 bit immediate value, pc relative. */
231 HOWTO (R_VISIUM_IM16_PCREL, /* type */
233 2, /* size (0 = byte, 1 = short, 2 = long) */
235 TRUE, /* pc_relative */
237 complain_overflow_unsigned, /* complain_on_overflow */
238 visium_elf_howto_parity_reloc, /* special_function */
239 "R_VISIUM_IM16_PCREL", /* name */
240 FALSE, /* partial_inplace */
241 0x0000000, /* src_mask */
242 0x000ffff, /* dst_mask */
243 TRUE), /* pcrel_offset */
247 /* GNU extension to record C++ vtable hierarchy. */
248 static reloc_howto_type visium_elf_vtinherit_howto =
249 HOWTO (R_VISIUM_GNU_VTINHERIT, /* type */
251 2, /* size (0 = byte, 1 = short, 2 = long) */
253 FALSE, /* pc_relative */
255 complain_overflow_dont, /* complain_on_overflow */
256 NULL, /* special_function */
257 "R_VISIUM_GNU_VTINHERIT", /* name */
258 FALSE, /* partial_inplace */
261 FALSE); /* pcrel_offset */
263 /* GNU extension to record C++ vtable member usage. */
264 static reloc_howto_type visium_elf_vtentry_howto =
265 HOWTO (R_VISIUM_GNU_VTENTRY, /* type */
267 2, /* size (0 = byte, 1 = short, 2 = long) */
269 FALSE, /* pc_relative */
271 complain_overflow_dont, /* complain_on_overflow */
272 NULL, /* special_function */
273 "R_VISIUM_GNU_VTENTRY", /* name */
274 FALSE, /* partial_inplace */
277 FALSE); /* pcrel_offset */
279 /* Map BFD reloc types to VISIUM ELF reloc types. */
280 struct visium_reloc_map
282 bfd_reloc_code_real_type bfd_reloc_val;
283 unsigned int visium_reloc_val;
286 static const struct visium_reloc_map visium_reloc_map[] = {
287 {BFD_RELOC_NONE, R_VISIUM_NONE},
288 {BFD_RELOC_8, R_VISIUM_8},
289 {BFD_RELOC_16, R_VISIUM_16},
290 {BFD_RELOC_32, R_VISIUM_32},
291 {BFD_RELOC_8_PCREL, R_VISIUM_8_PCREL},
292 {BFD_RELOC_16_PCREL, R_VISIUM_16_PCREL},
293 {BFD_RELOC_32_PCREL, R_VISIUM_32_PCREL},
294 {BFD_RELOC_VISIUM_REL16, R_VISIUM_PC16},
295 {BFD_RELOC_VISIUM_HI16, R_VISIUM_HI16},
296 {BFD_RELOC_VISIUM_LO16, R_VISIUM_LO16},
297 {BFD_RELOC_VISIUM_IM16, R_VISIUM_IM16},
298 {BFD_RELOC_VISIUM_HI16_PCREL, R_VISIUM_HI16_PCREL},
299 {BFD_RELOC_VISIUM_LO16_PCREL, R_VISIUM_LO16_PCREL},
300 {BFD_RELOC_VISIUM_IM16_PCREL, R_VISIUM_IM16_PCREL},
301 {BFD_RELOC_VTABLE_INHERIT, R_VISIUM_GNU_VTINHERIT},
302 {BFD_RELOC_VTABLE_ENTRY, R_VISIUM_GNU_VTENTRY},
305 /* Return the parity bit for INSN shifted to its final position. */
308 visium_parity_bit (bfd_vma insn)
313 for (i = 0; i < 31; i++)
322 /* This "special function" will only be used when the input and
323 output files have different formats ie. when generating S-records
324 directly using "--oformat srec". Otherwise we use
325 _bfd_final_link_relocate which uses a howto structure, but does
326 not use the special_function field.
328 It sets instruction parity to even. This cannot be done by a howto. */
330 static bfd_reloc_status_type
331 visium_elf_howto_parity_reloc (bfd * input_bfd, arelent *reloc_entry,
332 asymbol *symbol, PTR data,
333 asection *input_section, bfd *output_bfd,
334 char **error_message ATTRIBUTE_UNUSED)
336 bfd_reloc_status_type ret;
338 bfd_byte *inplace_address;
340 const bfd_vma signmask = 0xffff8000;
342 /* This part is from bfd_elf_generic_reloc.
343 If we're relocating, and this an external symbol, we don't want
344 to change anything. */
345 if (output_bfd != (bfd *) NULL && (symbol->flags & BSF_SECTION_SYM) == 0)
347 reloc_entry->address += input_section->output_offset;
351 /* Now do the reloc in the usual way. */
353 /* Sanity check the address (offset in section). */
354 if (reloc_entry->address > bfd_get_section_limit (input_bfd, input_section))
355 return bfd_reloc_outofrange;
358 if (bfd_is_und_section (symbol->section) && output_bfd == (bfd *) NULL)
359 ret = bfd_reloc_undefined;
361 if (bfd_is_com_section (symbol->section) || output_bfd != (bfd *) NULL)
364 relocation = symbol->value;
366 /* Only do this for a final link. */
367 if (output_bfd == (bfd *) NULL)
369 relocation += symbol->section->output_section->vma;
370 relocation += symbol->section->output_offset;
373 relocation += reloc_entry->addend;
374 inplace_address = (bfd_byte *) data + reloc_entry->address;
375 insn = bfd_get_32 (input_bfd, inplace_address);
377 if (reloc_entry->howto->pc_relative)
379 relocation -= input_section->output_section->vma
380 + input_section->output_offset;
381 relocation -= reloc_entry->address;
384 switch (reloc_entry->howto->type)
388 if (ret == bfd_reloc_ok && (relocation & signmask) != 0
389 && (relocation & signmask) != signmask)
390 ret = bfd_reloc_overflow;
391 relocation &= 0xffff;
394 case R_VISIUM_HI16_PCREL:
395 relocation = (relocation >> 16) & 0xffff;
398 case R_VISIUM_LO16_PCREL:
399 relocation &= 0xffff;
402 case R_VISIUM_IM16_PCREL:
403 if (ret == bfd_reloc_ok && (relocation & 0xffff0000) != 0)
404 ret = bfd_reloc_overflow;
405 relocation &= 0xffff;
408 insn = (insn & 0x7fff0000) | relocation;
409 insn |= visium_parity_bit (insn);
410 bfd_put_32 (input_bfd, insn, inplace_address);
412 if (output_bfd != (bfd *) NULL)
413 reloc_entry->address += input_section->output_offset;
418 static reloc_howto_type *
419 visium_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
420 bfd_reloc_code_real_type code)
422 /* Note that the visium_elf_howto_table is indexed by the R_
423 constants. Thus, the order that the howto records appear in the
424 table *must* match the order of the relocation types defined in
425 include/elf/visium.h. */
429 return &visium_elf_howto_table[(int) R_VISIUM_NONE];
431 return &visium_elf_howto_table[(int) R_VISIUM_8];
433 return &visium_elf_howto_table[(int) R_VISIUM_16];
435 return &visium_elf_howto_table[(int) R_VISIUM_32];
436 case BFD_RELOC_8_PCREL:
437 return &visium_elf_howto_table[(int) R_VISIUM_8_PCREL];
438 case BFD_RELOC_16_PCREL:
439 return &visium_elf_howto_table[(int) R_VISIUM_16_PCREL];
440 case BFD_RELOC_32_PCREL:
441 return &visium_elf_howto_table[(int) R_VISIUM_32_PCREL];
442 case BFD_RELOC_VISIUM_REL16:
443 return &visium_elf_howto_table[(int) R_VISIUM_PC16];
444 case BFD_RELOC_VISIUM_HI16:
445 return &visium_elf_howto_table[(int) R_VISIUM_HI16];
446 case BFD_RELOC_VISIUM_LO16:
447 return &visium_elf_howto_table[(int) R_VISIUM_LO16];
448 case BFD_RELOC_VISIUM_IM16:
449 return &visium_elf_howto_table[(int) R_VISIUM_IM16];
450 case BFD_RELOC_VISIUM_HI16_PCREL:
451 return &visium_elf_howto_table[(int) R_VISIUM_HI16_PCREL];
452 case BFD_RELOC_VISIUM_LO16_PCREL:
453 return &visium_elf_howto_table[(int) R_VISIUM_LO16_PCREL];
454 case BFD_RELOC_VISIUM_IM16_PCREL:
455 return &visium_elf_howto_table[(int) R_VISIUM_IM16_PCREL];
456 case BFD_RELOC_VTABLE_INHERIT:
457 return &visium_elf_vtinherit_howto;
458 case BFD_RELOC_VTABLE_ENTRY:
459 return &visium_elf_vtentry_howto;
465 static reloc_howto_type *
466 visium_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, const char *r_name)
471 i < (sizeof (visium_elf_howto_table)
472 / sizeof (visium_elf_howto_table[0])); i++)
473 if (visium_elf_howto_table[i].name != NULL
474 && strcasecmp (visium_elf_howto_table[i].name, r_name) == 0)
475 return &visium_elf_howto_table[i];
477 if (strcasecmp (visium_elf_vtinherit_howto.name, r_name) == 0)
478 return &visium_elf_vtinherit_howto;
479 if (strcasecmp (visium_elf_vtentry_howto.name, r_name) == 0)
480 return &visium_elf_vtentry_howto;
485 /* Set the howto pointer for a VISIUM ELF reloc. */
488 visium_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
489 Elf_Internal_Rela *dst)
491 unsigned int r_type = ELF32_R_TYPE (dst->r_info);
495 case R_VISIUM_GNU_VTINHERIT:
496 cache_ptr->howto = &visium_elf_vtinherit_howto;
499 case R_VISIUM_GNU_VTENTRY:
500 cache_ptr->howto = &visium_elf_vtentry_howto;
504 if (r_type >= (unsigned int) R_VISIUM_max)
506 _bfd_error_handler (_("%A: invalid Visium reloc number: %d"), abfd, r_type);
509 cache_ptr->howto = &visium_elf_howto_table[r_type];
514 /* Look through the relocs for a section during the first phase.
515 Since we don't do .gots or .plts, we just need to consider the
516 virtual table relocs for gc. */
519 visium_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
520 asection *sec, const Elf_Internal_Rela *relocs)
522 Elf_Internal_Shdr *symtab_hdr;
523 struct elf_link_hash_entry **sym_hashes;
524 const Elf_Internal_Rela *rel;
525 const Elf_Internal_Rela *rel_end;
527 if (info->relocatable)
530 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
531 sym_hashes = elf_sym_hashes (abfd);
533 rel_end = relocs + sec->reloc_count;
534 for (rel = relocs; rel < rel_end; rel++)
536 struct elf_link_hash_entry *h;
537 unsigned long r_symndx;
539 r_symndx = ELF32_R_SYM (rel->r_info);
540 if (r_symndx < symtab_hdr->sh_info)
544 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
545 while (h->root.type == bfd_link_hash_indirect
546 || h->root.type == bfd_link_hash_warning)
547 h = (struct elf_link_hash_entry *) h->root.u.i.link;
550 switch (ELF32_R_TYPE (rel->r_info))
552 /* This relocation describes the C++ object vtable hierarchy.
553 Reconstruct it for later use during GC. */
554 case R_VISIUM_GNU_VTINHERIT:
555 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
559 /* This relocation describes which C++ vtable entries are actually
560 used. Record for later use during GC. */
561 case R_VISIUM_GNU_VTENTRY:
562 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
571 /* Relocate a VISIUM ELF section. */
574 visium_elf_relocate_section (bfd *output_bfd,
575 struct bfd_link_info *info, bfd *input_bfd,
576 asection *input_section, bfd_byte *contents,
577 Elf_Internal_Rela *relocs,
578 Elf_Internal_Sym *local_syms,
579 asection **local_sections)
581 Elf_Internal_Shdr *symtab_hdr;
582 struct elf_link_hash_entry **sym_hashes;
583 Elf_Internal_Rela *rel;
584 Elf_Internal_Rela *relend;
586 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
587 sym_hashes = elf_sym_hashes (input_bfd);
588 relend = relocs + input_section->reloc_count;
590 for (rel = relocs; rel < relend; rel++)
592 reloc_howto_type *howto;
593 unsigned long r_symndx;
594 Elf_Internal_Sym *sym;
596 struct elf_link_hash_entry *h;
598 bfd_reloc_status_type r;
599 const char *name = NULL;
603 r_type = ELF32_R_TYPE (rel->r_info);
605 if (r_type == R_VISIUM_GNU_VTINHERIT || r_type == R_VISIUM_GNU_VTENTRY)
608 r_symndx = ELF32_R_SYM (rel->r_info);
610 howto = visium_elf_howto_table + ELF32_R_TYPE (rel->r_info);
615 if (r_symndx < symtab_hdr->sh_info)
617 /* This is a local symbol. */
618 sym = local_syms + r_symndx;
619 sec = local_sections[r_symndx];
620 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
622 name = bfd_elf_string_from_elf_section
623 (input_bfd, symtab_hdr->sh_link, sym->st_name);
624 name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
628 bfd_boolean unresolved_reloc;
629 bfd_boolean warned, ignored;
631 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
632 r_symndx, symtab_hdr, sym_hashes,
634 unresolved_reloc, warned, ignored);
636 name = h->root.root.string;
639 if (sec != NULL && discarded_section (sec))
641 /* For relocs against symbols from removed linkonce sections,
642 or sections discarded by a linker script, we just want the
643 section contents zeroed. Avoid any special processing. */
644 _bfd_clear_contents (howto, input_bfd, input_section,
645 contents + rel->r_offset);
652 if (info->relocatable)
661 case R_VISIUM_HI16_PCREL:
662 case R_VISIUM_LO16_PCREL:
663 case R_VISIUM_IM16_PCREL:
664 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
665 contents, rel->r_offset,
666 relocation, rel->r_addend);
668 /* For instruction relocations, the parity needs correcting. */
669 if (r == bfd_reloc_ok)
671 insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
672 insn = (insn & 0x7fffffff) | visium_parity_bit (insn);
673 bfd_put_32 (input_bfd, insn, contents + rel->r_offset);
678 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
679 contents, rel->r_offset,
680 relocation, rel->r_addend);
684 if (r != bfd_reloc_ok)
686 const char *msg = (const char *) NULL;
690 case bfd_reloc_overflow:
691 r = info->callbacks->reloc_overflow
692 (info, (h ? &h->root : NULL), name, howto->name, (bfd_vma) 0,
693 input_bfd, input_section, rel->r_offset);
696 case bfd_reloc_undefined:
697 r = info->callbacks->undefined_symbol
698 (info, name, input_bfd, input_section, rel->r_offset, TRUE);
701 case bfd_reloc_outofrange:
702 msg = _("internal error: out of range error");
705 case bfd_reloc_notsupported:
706 msg = _("internal error: unsupported relocation error");
709 case bfd_reloc_dangerous:
710 msg = _("internal error: dangerous relocation");
714 msg = _("internal error: unknown error");
719 r = info->callbacks->warning
720 (info, msg, name, input_bfd, input_section, rel->r_offset);
730 /* This function is called during section gc to discover the section a
731 to which a particular relocation refers. Return the section that
732 should be marked against GC for a given relocation. */
735 visium_elf_gc_mark_hook (asection *sec, struct bfd_link_info *info,
736 Elf_Internal_Rela *rel, struct elf_link_hash_entry *h,
737 Elf_Internal_Sym *sym)
740 switch (ELF32_R_TYPE (rel->r_info))
742 case R_VISIUM_GNU_VTINHERIT:
743 case R_VISIUM_GNU_VTENTRY:
747 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
751 visium_elf_post_process_headers (bfd *abfd,
752 struct bfd_link_info *info ATTRIBUTE_UNUSED)
754 Elf_Internal_Ehdr *i_ehdrp = elf_elfheader (abfd);
755 i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_STANDALONE;
756 i_ehdrp->e_ident[EI_ABIVERSION] = 1;
759 /* Function to set the ELF flag bits. */
762 visium_elf_set_private_flags (bfd *abfd, flagword flags)
764 elf_elfheader (abfd)->e_flags = flags;
765 elf_flags_init (abfd) = TRUE;
769 /* Copy backend specific data from one object module to another. */
772 visium_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
774 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
775 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
778 BFD_ASSERT (!elf_flags_init (obfd)
779 || elf_elfheader (obfd)->e_flags ==
780 elf_elfheader (ibfd)->e_flags);
782 elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
783 elf_flags_init (obfd) = TRUE;
785 /* Copy object attributes. */
786 _bfd_elf_copy_obj_attributes (ibfd, obfd);
791 /* Merge backend specific data from an object
792 file to the output object file when linking. */
795 visium_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
800 const char *opt_arch = NULL;
801 const char *new_opt_with = NULL;
802 const char *old_opt_with = NULL;
803 const char *with = "with";
804 const char *without = "without";
805 const char *mcm = "mcm";
806 const char *mcm24 = "mcm24";
807 const char *gr6 = "gr6";
809 new_flags = elf_elfheader (ibfd)->e_flags;
810 old_flags = elf_elfheader (obfd)->e_flags;
812 if (!elf_flags_init (obfd))
814 /* First call, no flags set. */
815 elf_flags_init (obfd) = TRUE;
816 elf_elfheader (obfd)->e_flags = new_flags;
820 mismatch = (new_flags ^ old_flags)
821 & (EF_VISIUM_ARCH_MCM | EF_VISIUM_ARCH_MCM24 | EF_VISIUM_ARCH_GR6);
822 if (mismatch & EF_VISIUM_ARCH_GR6)
825 new_opt_with = new_flags & EF_VISIUM_ARCH_GR6 ? with : without;
826 old_opt_with = old_flags & EF_VISIUM_ARCH_GR6 ? with : without;
828 else if (mismatch & EF_VISIUM_ARCH_MCM)
831 new_opt_with = new_flags & EF_VISIUM_ARCH_MCM ? with : without;
832 old_opt_with = old_flags & EF_VISIUM_ARCH_MCM ? with : without;
834 else if (mismatch & EF_VISIUM_ARCH_MCM24)
837 new_opt_with = new_flags & EF_VISIUM_ARCH_MCM24 ? with : without;
838 old_opt_with = old_flags & EF_VISIUM_ARCH_MCM24 ? with : without;
844 ("%s: compiled %s -mtune=%s and linked with modules"
845 " compiled %s -mtune=%s"),
846 bfd_get_filename (ibfd), new_opt_with, opt_arch, old_opt_with,
854 visium_elf_print_private_bfd_data (bfd *abfd, void *ptr)
856 FILE *file = (FILE *) ptr;
859 BFD_ASSERT (abfd != NULL && ptr != NULL);
861 /* Print normal ELF private data. */
862 _bfd_elf_print_private_bfd_data (abfd, ptr);
864 flags = elf_elfheader (abfd)->e_flags;
865 fprintf (file, _("private flags = 0x%lx:"), (long) flags);
867 if (flags & EF_VISIUM_ARCH_GR6)
868 fprintf (file, " -mtune=gr6");
869 else if (flags & EF_VISIUM_ARCH_MCM)
870 fprintf (file, " -mtune=mcm");
871 else if (flags & EF_VISIUM_ARCH_MCM24)
872 fprintf (file, " -mtune=mcm24");
878 #define ELF_ARCH bfd_arch_visium
879 #define ELF_MACHINE_CODE EM_VISIUM
880 #define ELF_MAXPAGESIZE 1
882 #define TARGET_BIG_SYM visium_elf32_vec
883 #define TARGET_BIG_NAME "elf32-visium"
885 #define elf_info_to_howto_rel NULL
886 #define elf_info_to_howto visium_info_to_howto_rela
887 #define elf_backend_relocate_section visium_elf_relocate_section
888 #define elf_backend_gc_mark_hook visium_elf_gc_mark_hook
889 #define elf_backend_check_relocs visium_elf_check_relocs
890 #define elf_backend_rela_normal 1
892 #define elf_backend_can_gc_sections 1
894 #define bfd_elf32_bfd_reloc_type_lookup visium_reloc_type_lookup
895 #define bfd_elf32_bfd_reloc_name_lookup visium_reloc_name_lookup
897 #define bfd_elf32_bfd_set_private_flags visium_elf_set_private_flags
898 #define bfd_elf32_bfd_copy_private_bfd_data visium_elf_copy_private_bfd_data
899 #define bfd_elf32_bfd_merge_private_bfd_data visium_elf_merge_private_bfd_data
900 #define bfd_elf32_bfd_print_private_bfd_data visium_elf_print_private_bfd_data
901 #define elf_backend_post_process_headers visium_elf_post_process_headers
903 #include "elf32-target.h"