1 /* Visium-specific support for 32-bit ELF.
3 Copyright (C) 2003-2018 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 /* Return the parity bit for INSN shifted to its final position. */
282 visium_parity_bit (bfd_vma insn
)
287 for (i
= 0; i
< 31; i
++)
296 /* This "special function" will only be used when the input and
297 output files have different formats ie. when generating S-records
298 directly using "--oformat srec". Otherwise we use
299 _bfd_final_link_relocate which uses a howto structure, but does
300 not use the special_function field.
302 It sets instruction parity to even. This cannot be done by a howto. */
304 static bfd_reloc_status_type
305 visium_elf_howto_parity_reloc (bfd
* input_bfd
, arelent
*reloc_entry
,
306 asymbol
*symbol
, PTR data
,
307 asection
*input_section
, bfd
*output_bfd
,
308 char **error_message ATTRIBUTE_UNUSED
)
310 bfd_reloc_status_type ret
;
312 bfd_byte
*inplace_address
;
314 const bfd_vma signmask
= 0xffff8000;
316 /* This part is from bfd_elf_generic_reloc.
317 If we're relocating, and this an external symbol, we don't want
318 to change anything. */
319 if (output_bfd
!= (bfd
*) NULL
&& (symbol
->flags
& BSF_SECTION_SYM
) == 0)
321 reloc_entry
->address
+= input_section
->output_offset
;
325 /* Now do the reloc in the usual way. */
327 /* Sanity check the address (offset in section). */
328 if (reloc_entry
->address
> bfd_get_section_limit (input_bfd
, input_section
))
329 return bfd_reloc_outofrange
;
332 if (bfd_is_und_section (symbol
->section
) && output_bfd
== (bfd
*) NULL
)
333 ret
= bfd_reloc_undefined
;
335 if (bfd_is_com_section (symbol
->section
) || output_bfd
!= (bfd
*) NULL
)
338 relocation
= symbol
->value
;
340 /* Only do this for a final link. */
341 if (output_bfd
== (bfd
*) NULL
)
343 relocation
+= symbol
->section
->output_section
->vma
;
344 relocation
+= symbol
->section
->output_offset
;
347 relocation
+= reloc_entry
->addend
;
348 inplace_address
= (bfd_byte
*) data
+ reloc_entry
->address
;
349 insn
= bfd_get_32 (input_bfd
, inplace_address
);
351 if (reloc_entry
->howto
->pc_relative
)
353 relocation
-= input_section
->output_section
->vma
354 + input_section
->output_offset
;
355 relocation
-= reloc_entry
->address
;
358 switch (reloc_entry
->howto
->type
)
362 if (ret
== bfd_reloc_ok
&& (relocation
& signmask
) != 0
363 && (relocation
& signmask
) != signmask
)
364 ret
= bfd_reloc_overflow
;
365 relocation
&= 0xffff;
368 case R_VISIUM_HI16_PCREL
:
369 relocation
= (relocation
>> 16) & 0xffff;
372 case R_VISIUM_LO16_PCREL
:
373 relocation
&= 0xffff;
376 case R_VISIUM_IM16_PCREL
:
377 if (ret
== bfd_reloc_ok
&& (relocation
& 0xffff0000) != 0)
378 ret
= bfd_reloc_overflow
;
379 relocation
&= 0xffff;
382 insn
= (insn
& 0x7fff0000) | relocation
;
383 insn
|= visium_parity_bit (insn
);
384 bfd_put_32 (input_bfd
, insn
, inplace_address
);
386 if (output_bfd
!= (bfd
*) NULL
)
387 reloc_entry
->address
+= input_section
->output_offset
;
392 static reloc_howto_type
*
393 visium_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
394 bfd_reloc_code_real_type code
)
396 /* Note that the visium_elf_howto_table is indexed by the R_
397 constants. Thus, the order that the howto records appear in the
398 table *must* match the order of the relocation types defined in
399 include/elf/visium.h. */
403 return &visium_elf_howto_table
[(int) R_VISIUM_NONE
];
405 return &visium_elf_howto_table
[(int) R_VISIUM_8
];
407 return &visium_elf_howto_table
[(int) R_VISIUM_16
];
409 return &visium_elf_howto_table
[(int) R_VISIUM_32
];
410 case BFD_RELOC_8_PCREL
:
411 return &visium_elf_howto_table
[(int) R_VISIUM_8_PCREL
];
412 case BFD_RELOC_16_PCREL
:
413 return &visium_elf_howto_table
[(int) R_VISIUM_16_PCREL
];
414 case BFD_RELOC_32_PCREL
:
415 return &visium_elf_howto_table
[(int) R_VISIUM_32_PCREL
];
416 case BFD_RELOC_VISIUM_REL16
:
417 return &visium_elf_howto_table
[(int) R_VISIUM_PC16
];
418 case BFD_RELOC_VISIUM_HI16
:
419 return &visium_elf_howto_table
[(int) R_VISIUM_HI16
];
420 case BFD_RELOC_VISIUM_LO16
:
421 return &visium_elf_howto_table
[(int) R_VISIUM_LO16
];
422 case BFD_RELOC_VISIUM_IM16
:
423 return &visium_elf_howto_table
[(int) R_VISIUM_IM16
];
424 case BFD_RELOC_VISIUM_HI16_PCREL
:
425 return &visium_elf_howto_table
[(int) R_VISIUM_HI16_PCREL
];
426 case BFD_RELOC_VISIUM_LO16_PCREL
:
427 return &visium_elf_howto_table
[(int) R_VISIUM_LO16_PCREL
];
428 case BFD_RELOC_VISIUM_IM16_PCREL
:
429 return &visium_elf_howto_table
[(int) R_VISIUM_IM16_PCREL
];
430 case BFD_RELOC_VTABLE_INHERIT
:
431 return &visium_elf_vtinherit_howto
;
432 case BFD_RELOC_VTABLE_ENTRY
:
433 return &visium_elf_vtentry_howto
;
439 static reloc_howto_type
*
440 visium_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
, const char *r_name
)
445 i
< (sizeof (visium_elf_howto_table
)
446 / sizeof (visium_elf_howto_table
[0])); i
++)
447 if (visium_elf_howto_table
[i
].name
!= NULL
448 && strcasecmp (visium_elf_howto_table
[i
].name
, r_name
) == 0)
449 return &visium_elf_howto_table
[i
];
451 if (strcasecmp (visium_elf_vtinherit_howto
.name
, r_name
) == 0)
452 return &visium_elf_vtinherit_howto
;
453 if (strcasecmp (visium_elf_vtentry_howto
.name
, r_name
) == 0)
454 return &visium_elf_vtentry_howto
;
459 /* Set the howto pointer for a VISIUM ELF reloc. */
462 visium_info_to_howto_rela (bfd
*abfd
, arelent
*cache_ptr
,
463 Elf_Internal_Rela
*dst
)
465 unsigned int r_type
= ELF32_R_TYPE (dst
->r_info
);
469 case R_VISIUM_GNU_VTINHERIT
:
470 cache_ptr
->howto
= &visium_elf_vtinherit_howto
;
473 case R_VISIUM_GNU_VTENTRY
:
474 cache_ptr
->howto
= &visium_elf_vtentry_howto
;
478 if (r_type
>= (unsigned int) R_VISIUM_max
)
480 /* xgettext:c-format */
481 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
483 bfd_set_error (bfd_error_bad_value
);
486 cache_ptr
->howto
= &visium_elf_howto_table
[r_type
];
492 /* Look through the relocs for a section during the first phase.
493 Since we don't do .gots or .plts, we just need to consider the
494 virtual table relocs for gc. */
497 visium_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
498 asection
*sec
, const Elf_Internal_Rela
*relocs
)
500 Elf_Internal_Shdr
*symtab_hdr
;
501 struct elf_link_hash_entry
**sym_hashes
;
502 const Elf_Internal_Rela
*rel
;
503 const Elf_Internal_Rela
*rel_end
;
505 if (bfd_link_relocatable (info
))
508 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
509 sym_hashes
= elf_sym_hashes (abfd
);
511 rel_end
= relocs
+ sec
->reloc_count
;
512 for (rel
= relocs
; rel
< rel_end
; rel
++)
514 struct elf_link_hash_entry
*h
;
515 unsigned long r_symndx
;
517 r_symndx
= ELF32_R_SYM (rel
->r_info
);
518 if (r_symndx
< symtab_hdr
->sh_info
)
522 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
523 while (h
->root
.type
== bfd_link_hash_indirect
524 || h
->root
.type
== bfd_link_hash_warning
)
525 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
528 switch (ELF32_R_TYPE (rel
->r_info
))
530 /* This relocation describes the C++ object vtable hierarchy.
531 Reconstruct it for later use during GC. */
532 case R_VISIUM_GNU_VTINHERIT
:
533 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
537 /* This relocation describes which C++ vtable entries are actually
538 used. Record for later use during GC. */
539 case R_VISIUM_GNU_VTENTRY
:
540 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
549 /* Relocate a VISIUM ELF section. */
552 visium_elf_relocate_section (bfd
*output_bfd
,
553 struct bfd_link_info
*info
, bfd
*input_bfd
,
554 asection
*input_section
, bfd_byte
*contents
,
555 Elf_Internal_Rela
*relocs
,
556 Elf_Internal_Sym
*local_syms
,
557 asection
**local_sections
)
559 Elf_Internal_Shdr
*symtab_hdr
;
560 struct elf_link_hash_entry
**sym_hashes
;
561 Elf_Internal_Rela
*rel
;
562 Elf_Internal_Rela
*relend
;
564 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
565 sym_hashes
= elf_sym_hashes (input_bfd
);
566 relend
= relocs
+ input_section
->reloc_count
;
568 for (rel
= relocs
; rel
< relend
; rel
++)
570 reloc_howto_type
*howto
;
571 unsigned long r_symndx
;
572 Elf_Internal_Sym
*sym
;
574 struct elf_link_hash_entry
*h
;
576 bfd_reloc_status_type r
;
577 const char *name
= NULL
;
581 r_type
= ELF32_R_TYPE (rel
->r_info
);
583 if (r_type
== R_VISIUM_GNU_VTINHERIT
|| r_type
== R_VISIUM_GNU_VTENTRY
)
586 r_symndx
= ELF32_R_SYM (rel
->r_info
);
588 howto
= visium_elf_howto_table
+ ELF32_R_TYPE (rel
->r_info
);
593 if (r_symndx
< symtab_hdr
->sh_info
)
595 /* This is a local symbol. */
596 sym
= local_syms
+ r_symndx
;
597 sec
= local_sections
[r_symndx
];
598 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
600 name
= bfd_elf_string_from_elf_section
601 (input_bfd
, symtab_hdr
->sh_link
, sym
->st_name
);
602 name
= (name
== NULL
) ? bfd_section_name (input_bfd
, sec
) : name
;
606 bfd_boolean unresolved_reloc
;
607 bfd_boolean warned
, ignored
;
609 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
610 r_symndx
, symtab_hdr
, sym_hashes
,
612 unresolved_reloc
, warned
, ignored
);
614 name
= h
->root
.root
.string
;
617 if (sec
!= NULL
&& discarded_section (sec
))
619 /* For relocs against symbols from removed linkonce sections,
620 or sections discarded by a linker script, we just want the
621 section contents zeroed. Avoid any special processing. */
622 _bfd_clear_contents (howto
, input_bfd
, input_section
,
623 contents
+ rel
->r_offset
);
630 if (bfd_link_relocatable (info
))
639 case R_VISIUM_HI16_PCREL
:
640 case R_VISIUM_LO16_PCREL
:
641 case R_VISIUM_IM16_PCREL
:
642 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
643 contents
, rel
->r_offset
,
644 relocation
, rel
->r_addend
);
646 /* For instruction relocations, the parity needs correcting. */
647 if (r
== bfd_reloc_ok
)
649 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
650 insn
= (insn
& 0x7fffffff) | visium_parity_bit (insn
);
651 bfd_put_32 (input_bfd
, insn
, contents
+ rel
->r_offset
);
656 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
657 contents
, rel
->r_offset
,
658 relocation
, rel
->r_addend
);
662 if (r
!= bfd_reloc_ok
)
664 const char *msg
= (const char *) NULL
;
668 case bfd_reloc_overflow
:
669 (*info
->callbacks
->reloc_overflow
)
670 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
, (bfd_vma
) 0,
671 input_bfd
, input_section
, rel
->r_offset
);
674 case bfd_reloc_undefined
:
675 (*info
->callbacks
->undefined_symbol
)
676 (info
, name
, input_bfd
, input_section
, rel
->r_offset
, TRUE
);
679 case bfd_reloc_outofrange
:
680 msg
= _("internal error: out of range error");
683 case bfd_reloc_notsupported
:
684 msg
= _("internal error: unsupported relocation error");
687 case bfd_reloc_dangerous
:
688 msg
= _("internal error: dangerous relocation");
692 msg
= _("internal error: unknown error");
697 (*info
->callbacks
->warning
) (info
, msg
, name
, input_bfd
,
698 input_section
, rel
->r_offset
);
705 /* This function is called during section gc to discover the section a
706 to which a particular relocation refers. Return the section that
707 should be marked against GC for a given relocation. */
710 visium_elf_gc_mark_hook (asection
*sec
, struct bfd_link_info
*info
,
711 Elf_Internal_Rela
*rel
, struct elf_link_hash_entry
*h
,
712 Elf_Internal_Sym
*sym
)
715 switch (ELF32_R_TYPE (rel
->r_info
))
717 case R_VISIUM_GNU_VTINHERIT
:
718 case R_VISIUM_GNU_VTENTRY
:
722 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
726 visium_elf_post_process_headers (bfd
*abfd
,
727 struct bfd_link_info
*info ATTRIBUTE_UNUSED
)
729 Elf_Internal_Ehdr
*i_ehdrp
= elf_elfheader (abfd
);
730 i_ehdrp
->e_ident
[EI_OSABI
] = ELFOSABI_STANDALONE
;
731 i_ehdrp
->e_ident
[EI_ABIVERSION
] = 1;
734 /* Function to set the ELF flag bits. */
737 visium_elf_set_private_flags (bfd
*abfd
, flagword flags
)
739 elf_elfheader (abfd
)->e_flags
= flags
;
740 elf_flags_init (abfd
) = TRUE
;
744 /* Copy backend specific data from one object module to another. */
747 visium_elf_copy_private_bfd_data (bfd
*ibfd
, bfd
*obfd
)
749 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
750 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
753 BFD_ASSERT (!elf_flags_init (obfd
)
754 || elf_elfheader (obfd
)->e_flags
==
755 elf_elfheader (ibfd
)->e_flags
);
757 elf_elfheader (obfd
)->e_flags
= elf_elfheader (ibfd
)->e_flags
;
758 elf_flags_init (obfd
) = TRUE
;
760 /* Copy object attributes. */
761 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
766 /* Merge backend specific data from an object
767 file to the output object file when linking. */
770 visium_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
772 bfd
*obfd
= info
->output_bfd
;
776 const char *opt_arch
= NULL
;
777 const char *new_opt_with
= NULL
;
778 const char *old_opt_with
= NULL
;
779 const char *with
= "with";
780 const char *without
= "without";
781 const char *mcm
= "mcm";
782 const char *mcm24
= "mcm24";
783 const char *gr6
= "gr6";
785 new_flags
= elf_elfheader (ibfd
)->e_flags
;
786 old_flags
= elf_elfheader (obfd
)->e_flags
;
788 if (!elf_flags_init (obfd
))
790 /* First call, no flags set. */
791 elf_flags_init (obfd
) = TRUE
;
792 elf_elfheader (obfd
)->e_flags
= new_flags
;
796 mismatch
= (new_flags
^ old_flags
)
797 & (EF_VISIUM_ARCH_MCM
| EF_VISIUM_ARCH_MCM24
| EF_VISIUM_ARCH_GR6
);
798 if (mismatch
& EF_VISIUM_ARCH_GR6
)
801 new_opt_with
= new_flags
& EF_VISIUM_ARCH_GR6
? with
: without
;
802 old_opt_with
= old_flags
& EF_VISIUM_ARCH_GR6
? with
: without
;
804 else if (mismatch
& EF_VISIUM_ARCH_MCM
)
807 new_opt_with
= new_flags
& EF_VISIUM_ARCH_MCM
? with
: without
;
808 old_opt_with
= old_flags
& EF_VISIUM_ARCH_MCM
? with
: without
;
810 else if (mismatch
& EF_VISIUM_ARCH_MCM24
)
813 new_opt_with
= new_flags
& EF_VISIUM_ARCH_MCM24
? with
: without
;
814 old_opt_with
= old_flags
& EF_VISIUM_ARCH_MCM24
? with
: without
;
819 /* xgettext:c-format */
820 (_("%pB: compiled %s -mtune=%s and linked with modules"
821 " compiled %s -mtune=%s"),
822 ibfd
, new_opt_with
, opt_arch
, old_opt_with
, opt_arch
);
829 visium_elf_print_private_bfd_data (bfd
*abfd
, void *ptr
)
831 FILE *file
= (FILE *) ptr
;
834 BFD_ASSERT (abfd
!= NULL
&& ptr
!= NULL
);
836 /* Print normal ELF private data. */
837 _bfd_elf_print_private_bfd_data (abfd
, ptr
);
839 flags
= elf_elfheader (abfd
)->e_flags
;
840 fprintf (file
, _("private flags = 0x%lx:"), (long) flags
);
842 if (flags
& EF_VISIUM_ARCH_GR6
)
843 fprintf (file
, " -mtune=gr6");
844 else if (flags
& EF_VISIUM_ARCH_MCM
)
845 fprintf (file
, " -mtune=mcm");
846 else if (flags
& EF_VISIUM_ARCH_MCM24
)
847 fprintf (file
, " -mtune=mcm24");
853 #define ELF_ARCH bfd_arch_visium
854 #define ELF_MACHINE_CODE EM_VISIUM
855 #define ELF_MAXPAGESIZE 1
857 #define TARGET_BIG_SYM visium_elf32_vec
858 #define TARGET_BIG_NAME "elf32-visium"
860 #define elf_info_to_howto_rel NULL
861 #define elf_info_to_howto visium_info_to_howto_rela
862 #define elf_backend_relocate_section visium_elf_relocate_section
863 #define elf_backend_gc_mark_hook visium_elf_gc_mark_hook
864 #define elf_backend_check_relocs visium_elf_check_relocs
865 #define elf_backend_rela_normal 1
867 #define elf_backend_can_gc_sections 1
869 #define bfd_elf32_bfd_reloc_type_lookup visium_reloc_type_lookup
870 #define bfd_elf32_bfd_reloc_name_lookup visium_reloc_name_lookup
872 #define bfd_elf32_bfd_set_private_flags visium_elf_set_private_flags
873 #define bfd_elf32_bfd_copy_private_bfd_data visium_elf_copy_private_bfd_data
874 #define bfd_elf32_bfd_merge_private_bfd_data visium_elf_merge_private_bfd_data
875 #define bfd_elf32_bfd_print_private_bfd_data visium_elf_print_private_bfd_data
876 #define elf_backend_post_process_headers visium_elf_post_process_headers
878 #include "elf32-target.h"