1 /* Visium-specific support for 32-bit ELF.
3 Copyright (C) 2003-2019 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"
28 #include "libiberty.h"
30 static bfd_reloc_status_type visium_elf_howto_parity_reloc
31 (bfd
*, arelent
*, asymbol
*, PTR
, asection
*, bfd
*, char **);
33 static reloc_howto_type visium_elf_howto_table
[] = {
34 /* This reloc does nothing. */
35 HOWTO (R_VISIUM_NONE
, /* type */
37 3, /* size (0 = byte, 1 = short, 2 = long) */
39 FALSE
, /* pc_relative */
41 complain_overflow_dont
, /* complain_on_overflow */
42 bfd_elf_generic_reloc
, /* special_function */
43 "R_VISIUM_NONE", /* name */
44 FALSE
, /* partial_inplace */
47 FALSE
), /* pcrel_offset */
49 /* A 8 bit absolute relocation. */
50 HOWTO (R_VISIUM_8
, /* type */
52 0, /* size (0 = byte, 1 = short, 2 = long) */
54 FALSE
, /* pc_relative */
56 complain_overflow_bitfield
, /* complain_on_overflow */
57 bfd_elf_generic_reloc
, /* special_function */
58 "R_VISIUM_8", /* name */
59 FALSE
, /* partial_inplace */
62 FALSE
), /* pcrel_offset */
64 /* A 16 bit absolute relocation. */
65 HOWTO (R_VISIUM_16
, /* type */
67 1, /* size (0 = byte, 1 = short, 2 = long) */
69 FALSE
, /* pc_relative */
71 complain_overflow_bitfield
, /* complain_on_overflow */
72 bfd_elf_generic_reloc
, /* special_function */
73 "R_VISIUM_16", /* name */
74 FALSE
, /* partial_inplace */
75 0x0000, /* src_mask */
76 0xffff, /* dst_mask */
77 FALSE
), /* pcrel_offset */
79 /* A 32 bit absolute relocation. */
80 HOWTO (R_VISIUM_32
, /* type */
82 2, /* size (0 = byte, 1 = short, 2 = long) */
84 FALSE
, /* pc_relative */
86 complain_overflow_bitfield
, /* complain_on_overflow */
87 bfd_elf_generic_reloc
, /* special_function */
88 "R_VISIUM_32", /* name */
89 FALSE
, /* partial_inplace */
90 0x00000000, /* src_mask */
91 0xffffffff, /* dst_mask */
92 FALSE
), /* pcrel_offset */
95 /* A 8 bit PC relative relocation. */
96 HOWTO (R_VISIUM_8_PCREL
, /* type */
98 0, /* size (0 = byte, 1 = short, 2 = long) */
100 TRUE
, /* pc_relative */
102 complain_overflow_bitfield
, /* complain_on_overflow */
103 bfd_elf_generic_reloc
, /* special_function */
104 "R_VISIUM_8_PCREL", /* name */
105 FALSE
, /* partial_inplace */
108 TRUE
), /* pcrel_offset */
110 /* A 16 bit PC relative relocation. */
111 HOWTO (R_VISIUM_16_PCREL
, /* type */
113 1, /* size (0 = byte, 1 = short, 2 = long) */
115 TRUE
, /* pc_relative */
117 complain_overflow_bitfield
, /* complain_on_overflow */
118 bfd_elf_generic_reloc
, /* special_function */
119 "R_VISIUM_16_PCREL", /* name */
120 FALSE
, /* partial inplace */
121 0x0000, /* src_mask */
122 0xffff, /* dst_mask */
123 TRUE
), /* pcrel_offset */
125 /* A 32-bit PC relative relocation. */
126 HOWTO (R_VISIUM_32_PCREL
, /* type */
128 2, /* size (0 = byte, 1 = short, 2 = long) */
130 TRUE
, /* pc_relative */
132 complain_overflow_bitfield
, /* complain_on_overflow */
133 bfd_elf_generic_reloc
, /* special_function */
134 "R_VISIUM_32_PCREL", /* name */
135 FALSE
, /* partial_inplace */
137 0xffffffff, /* dst_mask */
138 TRUE
), /* pcrel_offset */
140 /* A 16-bit PC word relative offset, relative to start of instruction
141 and always in the second half of the instruction. */
142 HOWTO (R_VISIUM_PC16
, /* type */
144 2, /* size (0 = byte, 1 = short, 2 = long) */
146 TRUE
, /* pc_relative */
148 complain_overflow_signed
, /* complain_on_overflow */
149 visium_elf_howto_parity_reloc
, /* special_function */
150 "R_VISIUM_PC16", /* name */
151 FALSE
, /* partial_inplace */
152 0x00000000, /* src_mask */
153 0x0000ffff, /* dst_mask */
154 TRUE
), /* pcrel_offset */
156 /* The high 16 bits of symbol value. */
157 HOWTO (R_VISIUM_HI16
, /* type */
159 2, /* size (0 = byte, 1 = short, 2 = long) */
161 FALSE
, /* pc_relative */
163 complain_overflow_dont
, /* complain_on_overflow */
164 visium_elf_howto_parity_reloc
, /* special_function */
165 "R_VISIUM_HI16", /* name */
166 FALSE
, /* partial_inplace */
167 0x00000000, /* src_mask */
168 0x0000ffff, /* dst_mask */
169 FALSE
), /* pcrel_offset */
171 /* The low 16 bits of symbol value. */
172 HOWTO (R_VISIUM_LO16
, /* type */
174 2, /* size (0 = byte, 1 = short, 2 = long) */
176 FALSE
, /* pc_relative */
178 complain_overflow_dont
, /* complain_on_overflow */
179 visium_elf_howto_parity_reloc
, /* special_function */
180 "R_VISIUM_LO16", /* name */
181 FALSE
, /* partial_inplace */
182 0x00000000, /* src_mask */
183 0x0000ffff, /* dst_mask */
184 FALSE
), /* pcrel_offset */
186 /* A 16 bit immediate value. */
187 HOWTO (R_VISIUM_IM16
, /* type */
189 2, /* size (0 = byte, 1 = short, 2 = long) */
191 FALSE
, /* pc_relative */
193 complain_overflow_unsigned
, /* complain_on_overflow */
194 visium_elf_howto_parity_reloc
, /* special_function */
195 "R_VISIUM_IM16", /* name */
196 FALSE
, /* partial_inplace */
197 0x0000000, /* src_mask */
198 0x000ffff, /* dst_mask */
199 FALSE
), /* pcrel_offset */
201 /* The high 16 bits of symbol value, pc relative. */
202 HOWTO (R_VISIUM_HI16_PCREL
, /* type */
204 2, /* size (0 = byte, 1 = short, 2 = long) */
206 TRUE
, /* pc_relative */
208 complain_overflow_dont
, /* complain_on_overflow */
209 visium_elf_howto_parity_reloc
, /* special_function */
210 "R_VISIUM_HI16_PCREL", /* name */
211 FALSE
, /* partial_inplace */
212 0x00000000, /* src_mask */
213 0x0000ffff, /* dst_mask */
214 TRUE
), /* pcrel_offset */
216 /* The low 16 bits of symbol value, pc relative. */
217 HOWTO (R_VISIUM_LO16_PCREL
, /* type */
219 2, /* size (0 = byte, 1 = short, 2 = long) */
221 TRUE
, /* pc_relative */
223 complain_overflow_dont
, /* complain_on_overflow */
224 visium_elf_howto_parity_reloc
, /* special_function */
225 "R_VISIUM_LO16_PCREL", /* name */
226 FALSE
, /* partial_inplace */
227 0x00000000, /* src_mask */
228 0x0000ffff, /* dst_mask */
229 TRUE
), /* pcrel_offset */
231 /* A 16 bit immediate value, pc relative. */
232 HOWTO (R_VISIUM_IM16_PCREL
, /* type */
234 2, /* size (0 = byte, 1 = short, 2 = long) */
236 TRUE
, /* pc_relative */
238 complain_overflow_unsigned
, /* complain_on_overflow */
239 visium_elf_howto_parity_reloc
, /* special_function */
240 "R_VISIUM_IM16_PCREL", /* name */
241 FALSE
, /* partial_inplace */
242 0x0000000, /* src_mask */
243 0x000ffff, /* dst_mask */
244 TRUE
), /* pcrel_offset */
248 /* GNU extension to record C++ vtable hierarchy. */
249 static reloc_howto_type visium_elf_vtinherit_howto
=
250 HOWTO (R_VISIUM_GNU_VTINHERIT
, /* type */
252 2, /* size (0 = byte, 1 = short, 2 = long) */
254 FALSE
, /* pc_relative */
256 complain_overflow_dont
, /* complain_on_overflow */
257 NULL
, /* special_function */
258 "R_VISIUM_GNU_VTINHERIT", /* name */
259 FALSE
, /* partial_inplace */
262 FALSE
); /* pcrel_offset */
264 /* GNU extension to record C++ vtable member usage. */
265 static reloc_howto_type visium_elf_vtentry_howto
=
266 HOWTO (R_VISIUM_GNU_VTENTRY
, /* type */
268 2, /* size (0 = byte, 1 = short, 2 = long) */
270 FALSE
, /* pc_relative */
272 complain_overflow_dont
, /* complain_on_overflow */
273 NULL
, /* special_function */
274 "R_VISIUM_GNU_VTENTRY", /* name */
275 FALSE
, /* partial_inplace */
278 FALSE
); /* pcrel_offset */
280 /* Return the parity bit for INSN shifted to its final position. */
283 visium_parity_bit (bfd_vma insn
)
288 for (i
= 0; i
< 31; i
++)
297 /* This "special function" will only be used when the input and
298 output files have different formats ie. when generating S-records
299 directly using "--oformat srec". Otherwise we use
300 _bfd_final_link_relocate which uses a howto structure, but does
301 not use the special_function field.
303 It sets instruction parity to even. This cannot be done by a howto. */
305 static bfd_reloc_status_type
306 visium_elf_howto_parity_reloc (bfd
* input_bfd
, arelent
*reloc_entry
,
307 asymbol
*symbol
, PTR data
,
308 asection
*input_section
, bfd
*output_bfd
,
309 char **error_message ATTRIBUTE_UNUSED
)
311 bfd_reloc_status_type ret
;
313 bfd_byte
*inplace_address
;
315 const bfd_vma signmask
= 0xffff8000;
317 /* This part is from bfd_elf_generic_reloc.
318 If we're relocating, and this an external symbol, we don't want
319 to change anything. */
320 if (output_bfd
!= (bfd
*) NULL
&& (symbol
->flags
& BSF_SECTION_SYM
) == 0)
322 reloc_entry
->address
+= input_section
->output_offset
;
326 /* Now do the reloc in the usual way. */
328 /* Sanity check the address (offset in section). */
329 if (reloc_entry
->address
> bfd_get_section_limit (input_bfd
, input_section
))
330 return bfd_reloc_outofrange
;
333 if (bfd_is_und_section (symbol
->section
) && output_bfd
== (bfd
*) NULL
)
334 ret
= bfd_reloc_undefined
;
336 if (bfd_is_com_section (symbol
->section
) || output_bfd
!= (bfd
*) NULL
)
339 relocation
= symbol
->value
;
341 /* Only do this for a final link. */
342 if (output_bfd
== (bfd
*) NULL
)
344 relocation
+= symbol
->section
->output_section
->vma
;
345 relocation
+= symbol
->section
->output_offset
;
348 relocation
+= reloc_entry
->addend
;
349 inplace_address
= (bfd_byte
*) data
+ reloc_entry
->address
;
350 insn
= bfd_get_32 (input_bfd
, inplace_address
);
352 if (reloc_entry
->howto
->pc_relative
)
354 relocation
-= input_section
->output_section
->vma
355 + input_section
->output_offset
;
356 relocation
-= reloc_entry
->address
;
359 switch (reloc_entry
->howto
->type
)
363 if (ret
== bfd_reloc_ok
&& (relocation
& signmask
) != 0
364 && (relocation
& signmask
) != signmask
)
365 ret
= bfd_reloc_overflow
;
366 relocation
&= 0xffff;
369 case R_VISIUM_HI16_PCREL
:
370 relocation
= (relocation
>> 16) & 0xffff;
373 case R_VISIUM_LO16_PCREL
:
374 relocation
&= 0xffff;
377 case R_VISIUM_IM16_PCREL
:
378 if (ret
== bfd_reloc_ok
&& (relocation
& 0xffff0000) != 0)
379 ret
= bfd_reloc_overflow
;
380 relocation
&= 0xffff;
383 insn
= (insn
& 0x7fff0000) | relocation
;
384 insn
|= visium_parity_bit (insn
);
385 bfd_put_32 (input_bfd
, insn
, inplace_address
);
387 if (output_bfd
!= (bfd
*) NULL
)
388 reloc_entry
->address
+= input_section
->output_offset
;
393 static reloc_howto_type
*
394 visium_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
395 bfd_reloc_code_real_type code
)
397 /* Note that the visium_elf_howto_table is indexed by the R_
398 constants. Thus, the order that the howto records appear in the
399 table *must* match the order of the relocation types defined in
400 include/elf/visium.h. */
404 return &visium_elf_howto_table
[(int) R_VISIUM_NONE
];
406 return &visium_elf_howto_table
[(int) R_VISIUM_8
];
408 return &visium_elf_howto_table
[(int) R_VISIUM_16
];
410 return &visium_elf_howto_table
[(int) R_VISIUM_32
];
411 case BFD_RELOC_8_PCREL
:
412 return &visium_elf_howto_table
[(int) R_VISIUM_8_PCREL
];
413 case BFD_RELOC_16_PCREL
:
414 return &visium_elf_howto_table
[(int) R_VISIUM_16_PCREL
];
415 case BFD_RELOC_32_PCREL
:
416 return &visium_elf_howto_table
[(int) R_VISIUM_32_PCREL
];
417 case BFD_RELOC_VISIUM_REL16
:
418 return &visium_elf_howto_table
[(int) R_VISIUM_PC16
];
419 case BFD_RELOC_VISIUM_HI16
:
420 return &visium_elf_howto_table
[(int) R_VISIUM_HI16
];
421 case BFD_RELOC_VISIUM_LO16
:
422 return &visium_elf_howto_table
[(int) R_VISIUM_LO16
];
423 case BFD_RELOC_VISIUM_IM16
:
424 return &visium_elf_howto_table
[(int) R_VISIUM_IM16
];
425 case BFD_RELOC_VISIUM_HI16_PCREL
:
426 return &visium_elf_howto_table
[(int) R_VISIUM_HI16_PCREL
];
427 case BFD_RELOC_VISIUM_LO16_PCREL
:
428 return &visium_elf_howto_table
[(int) R_VISIUM_LO16_PCREL
];
429 case BFD_RELOC_VISIUM_IM16_PCREL
:
430 return &visium_elf_howto_table
[(int) R_VISIUM_IM16_PCREL
];
431 case BFD_RELOC_VTABLE_INHERIT
:
432 return &visium_elf_vtinherit_howto
;
433 case BFD_RELOC_VTABLE_ENTRY
:
434 return &visium_elf_vtentry_howto
;
440 static reloc_howto_type
*
441 visium_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
, const char *r_name
)
446 i
< (sizeof (visium_elf_howto_table
)
447 / sizeof (visium_elf_howto_table
[0])); i
++)
448 if (visium_elf_howto_table
[i
].name
!= NULL
449 && strcasecmp (visium_elf_howto_table
[i
].name
, r_name
) == 0)
450 return &visium_elf_howto_table
[i
];
452 if (strcasecmp (visium_elf_vtinherit_howto
.name
, r_name
) == 0)
453 return &visium_elf_vtinherit_howto
;
454 if (strcasecmp (visium_elf_vtentry_howto
.name
, r_name
) == 0)
455 return &visium_elf_vtentry_howto
;
460 /* Set the howto pointer for a VISIUM ELF reloc. */
463 visium_info_to_howto_rela (bfd
*abfd
, arelent
*cache_ptr
,
464 Elf_Internal_Rela
*dst
)
466 unsigned int r_type
= ELF32_R_TYPE (dst
->r_info
);
470 case R_VISIUM_GNU_VTINHERIT
:
471 cache_ptr
->howto
= &visium_elf_vtinherit_howto
;
474 case R_VISIUM_GNU_VTENTRY
:
475 cache_ptr
->howto
= &visium_elf_vtentry_howto
;
479 if (r_type
>= ARRAY_SIZE (visium_elf_howto_table
))
481 /* xgettext:c-format */
482 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
484 bfd_set_error (bfd_error_bad_value
);
487 cache_ptr
->howto
= &visium_elf_howto_table
[r_type
];
493 /* Look through the relocs for a section during the first phase.
494 Since we don't do .gots or .plts, we just need to consider the
495 virtual table relocs for gc. */
498 visium_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
499 asection
*sec
, const Elf_Internal_Rela
*relocs
)
501 Elf_Internal_Shdr
*symtab_hdr
;
502 struct elf_link_hash_entry
**sym_hashes
;
503 const Elf_Internal_Rela
*rel
;
504 const Elf_Internal_Rela
*rel_end
;
506 if (bfd_link_relocatable (info
))
509 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
510 sym_hashes
= elf_sym_hashes (abfd
);
512 rel_end
= relocs
+ sec
->reloc_count
;
513 for (rel
= relocs
; rel
< rel_end
; rel
++)
515 struct elf_link_hash_entry
*h
;
516 unsigned long r_symndx
;
518 r_symndx
= ELF32_R_SYM (rel
->r_info
);
519 if (r_symndx
< symtab_hdr
->sh_info
)
523 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
524 while (h
->root
.type
== bfd_link_hash_indirect
525 || h
->root
.type
== bfd_link_hash_warning
)
526 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
529 switch (ELF32_R_TYPE (rel
->r_info
))
531 /* This relocation describes the C++ object vtable hierarchy.
532 Reconstruct it for later use during GC. */
533 case R_VISIUM_GNU_VTINHERIT
:
534 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
538 /* This relocation describes which C++ vtable entries are actually
539 used. Record for later use during GC. */
540 case R_VISIUM_GNU_VTENTRY
:
541 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
550 /* Relocate a VISIUM ELF section. */
553 visium_elf_relocate_section (bfd
*output_bfd
,
554 struct bfd_link_info
*info
, bfd
*input_bfd
,
555 asection
*input_section
, bfd_byte
*contents
,
556 Elf_Internal_Rela
*relocs
,
557 Elf_Internal_Sym
*local_syms
,
558 asection
**local_sections
)
560 Elf_Internal_Shdr
*symtab_hdr
;
561 struct elf_link_hash_entry
**sym_hashes
;
562 Elf_Internal_Rela
*rel
;
563 Elf_Internal_Rela
*relend
;
565 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
566 sym_hashes
= elf_sym_hashes (input_bfd
);
567 relend
= relocs
+ input_section
->reloc_count
;
569 for (rel
= relocs
; rel
< relend
; rel
++)
571 reloc_howto_type
*howto
;
572 unsigned long r_symndx
;
573 Elf_Internal_Sym
*sym
;
575 struct elf_link_hash_entry
*h
;
577 bfd_reloc_status_type r
;
578 const char *name
= NULL
;
582 r_type
= ELF32_R_TYPE (rel
->r_info
);
584 if (r_type
== R_VISIUM_GNU_VTINHERIT
|| r_type
== R_VISIUM_GNU_VTENTRY
)
587 r_symndx
= ELF32_R_SYM (rel
->r_info
);
589 howto
= visium_elf_howto_table
+ ELF32_R_TYPE (rel
->r_info
);
594 if (r_symndx
< symtab_hdr
->sh_info
)
596 /* This is a local symbol. */
597 sym
= local_syms
+ r_symndx
;
598 sec
= local_sections
[r_symndx
];
599 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
601 name
= bfd_elf_string_from_elf_section
602 (input_bfd
, symtab_hdr
->sh_link
, sym
->st_name
);
603 name
= (name
== NULL
) ? bfd_section_name (input_bfd
, sec
) : name
;
607 bfd_boolean unresolved_reloc
;
608 bfd_boolean warned
, ignored
;
610 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
611 r_symndx
, symtab_hdr
, sym_hashes
,
613 unresolved_reloc
, warned
, ignored
);
615 name
= h
->root
.root
.string
;
618 if (sec
!= NULL
&& discarded_section (sec
))
620 /* For relocs against symbols from removed linkonce sections,
621 or sections discarded by a linker script, we just want the
622 section contents zeroed. Avoid any special processing. */
623 _bfd_clear_contents (howto
, input_bfd
, input_section
,
624 contents
, rel
->r_offset
);
631 if (bfd_link_relocatable (info
))
640 case R_VISIUM_HI16_PCREL
:
641 case R_VISIUM_LO16_PCREL
:
642 case R_VISIUM_IM16_PCREL
:
643 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
644 contents
, rel
->r_offset
,
645 relocation
, rel
->r_addend
);
647 /* For instruction relocations, the parity needs correcting. */
648 if (r
== bfd_reloc_ok
)
650 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
651 insn
= (insn
& 0x7fffffff) | visium_parity_bit (insn
);
652 bfd_put_32 (input_bfd
, insn
, contents
+ rel
->r_offset
);
657 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
658 contents
, rel
->r_offset
,
659 relocation
, rel
->r_addend
);
663 if (r
!= bfd_reloc_ok
)
665 const char *msg
= (const char *) NULL
;
669 case bfd_reloc_overflow
:
670 (*info
->callbacks
->reloc_overflow
)
671 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
, (bfd_vma
) 0,
672 input_bfd
, input_section
, rel
->r_offset
);
675 case bfd_reloc_undefined
:
676 (*info
->callbacks
->undefined_symbol
)
677 (info
, name
, input_bfd
, input_section
, rel
->r_offset
, TRUE
);
680 case bfd_reloc_outofrange
:
681 msg
= _("internal error: out of range error");
684 case bfd_reloc_notsupported
:
685 msg
= _("internal error: unsupported relocation error");
688 case bfd_reloc_dangerous
:
689 msg
= _("internal error: dangerous relocation");
693 msg
= _("internal error: unknown error");
698 (*info
->callbacks
->warning
) (info
, msg
, name
, input_bfd
,
699 input_section
, rel
->r_offset
);
706 /* This function is called during section gc to discover the section a
707 to which a particular relocation refers. Return the section that
708 should be marked against GC for a given relocation. */
711 visium_elf_gc_mark_hook (asection
*sec
, struct bfd_link_info
*info
,
712 Elf_Internal_Rela
*rel
, struct elf_link_hash_entry
*h
,
713 Elf_Internal_Sym
*sym
)
716 switch (ELF32_R_TYPE (rel
->r_info
))
718 case R_VISIUM_GNU_VTINHERIT
:
719 case R_VISIUM_GNU_VTENTRY
:
723 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
727 visium_elf_post_process_headers (bfd
*abfd
,
728 struct bfd_link_info
*info ATTRIBUTE_UNUSED
)
730 Elf_Internal_Ehdr
*i_ehdrp
= elf_elfheader (abfd
);
731 i_ehdrp
->e_ident
[EI_OSABI
] = ELFOSABI_STANDALONE
;
732 i_ehdrp
->e_ident
[EI_ABIVERSION
] = 1;
735 /* Function to set the ELF flag bits. */
738 visium_elf_set_private_flags (bfd
*abfd
, flagword flags
)
740 elf_elfheader (abfd
)->e_flags
= flags
;
741 elf_flags_init (abfd
) = TRUE
;
745 /* Copy backend specific data from one object module to another. */
748 visium_elf_copy_private_bfd_data (bfd
*ibfd
, bfd
*obfd
)
750 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
751 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
754 BFD_ASSERT (!elf_flags_init (obfd
)
755 || elf_elfheader (obfd
)->e_flags
==
756 elf_elfheader (ibfd
)->e_flags
);
758 elf_elfheader (obfd
)->e_flags
= elf_elfheader (ibfd
)->e_flags
;
759 elf_flags_init (obfd
) = TRUE
;
761 /* Copy object attributes. */
762 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
767 /* Merge backend specific data from an object
768 file to the output object file when linking. */
771 visium_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
773 bfd
*obfd
= info
->output_bfd
;
777 const char *opt_arch
= NULL
;
778 const char *new_opt_with
= NULL
;
779 const char *old_opt_with
= NULL
;
780 const char *with
= "with";
781 const char *without
= "without";
782 const char *mcm
= "mcm";
783 const char *mcm24
= "mcm24";
784 const char *gr6
= "gr6";
786 new_flags
= elf_elfheader (ibfd
)->e_flags
;
787 old_flags
= elf_elfheader (obfd
)->e_flags
;
789 if (!elf_flags_init (obfd
))
791 /* First call, no flags set. */
792 elf_flags_init (obfd
) = TRUE
;
793 elf_elfheader (obfd
)->e_flags
= new_flags
;
797 mismatch
= (new_flags
^ old_flags
)
798 & (EF_VISIUM_ARCH_MCM
| EF_VISIUM_ARCH_MCM24
| EF_VISIUM_ARCH_GR6
);
799 if (mismatch
& EF_VISIUM_ARCH_GR6
)
802 new_opt_with
= new_flags
& EF_VISIUM_ARCH_GR6
? with
: without
;
803 old_opt_with
= old_flags
& EF_VISIUM_ARCH_GR6
? with
: without
;
805 else if (mismatch
& EF_VISIUM_ARCH_MCM
)
808 new_opt_with
= new_flags
& EF_VISIUM_ARCH_MCM
? with
: without
;
809 old_opt_with
= old_flags
& EF_VISIUM_ARCH_MCM
? with
: without
;
811 else if (mismatch
& EF_VISIUM_ARCH_MCM24
)
814 new_opt_with
= new_flags
& EF_VISIUM_ARCH_MCM24
? with
: without
;
815 old_opt_with
= old_flags
& EF_VISIUM_ARCH_MCM24
? with
: without
;
820 /* xgettext:c-format */
821 (_("%pB: compiled %s -mtune=%s and linked with modules"
822 " compiled %s -mtune=%s"),
823 ibfd
, new_opt_with
, opt_arch
, old_opt_with
, opt_arch
);
830 visium_elf_print_private_bfd_data (bfd
*abfd
, void *ptr
)
832 FILE *file
= (FILE *) ptr
;
835 BFD_ASSERT (abfd
!= NULL
&& ptr
!= NULL
);
837 /* Print normal ELF private data. */
838 _bfd_elf_print_private_bfd_data (abfd
, ptr
);
840 flags
= elf_elfheader (abfd
)->e_flags
;
841 fprintf (file
, _("private flags = 0x%lx:"), (long) flags
);
843 if (flags
& EF_VISIUM_ARCH_GR6
)
844 fprintf (file
, " -mtune=gr6");
845 else if (flags
& EF_VISIUM_ARCH_MCM
)
846 fprintf (file
, " -mtune=mcm");
847 else if (flags
& EF_VISIUM_ARCH_MCM24
)
848 fprintf (file
, " -mtune=mcm24");
854 #define ELF_ARCH bfd_arch_visium
855 #define ELF_MACHINE_CODE EM_VISIUM
856 #define ELF_MAXPAGESIZE 1
858 #define TARGET_BIG_SYM visium_elf32_vec
859 #define TARGET_BIG_NAME "elf32-visium"
861 #define elf_info_to_howto_rel NULL
862 #define elf_info_to_howto visium_info_to_howto_rela
863 #define elf_backend_relocate_section visium_elf_relocate_section
864 #define elf_backend_gc_mark_hook visium_elf_gc_mark_hook
865 #define elf_backend_check_relocs visium_elf_check_relocs
866 #define elf_backend_rela_normal 1
868 #define elf_backend_can_gc_sections 1
870 #define bfd_elf32_bfd_reloc_type_lookup visium_reloc_type_lookup
871 #define bfd_elf32_bfd_reloc_name_lookup visium_reloc_name_lookup
873 #define bfd_elf32_bfd_set_private_flags visium_elf_set_private_flags
874 #define bfd_elf32_bfd_copy_private_bfd_data visium_elf_copy_private_bfd_data
875 #define bfd_elf32_bfd_merge_private_bfd_data visium_elf_merge_private_bfd_data
876 #define bfd_elf32_bfd_print_private_bfd_data visium_elf_print_private_bfd_data
877 #define elf_backend_post_process_headers visium_elf_post_process_headers
879 #include "elf32-target.h"