1 /* Lattice Mico32-specific support for 32-bit ELF
2 Copyright (C) 2008-2022 Free Software Foundation, Inc.
3 Contributed by Jon Beniston <jon@beniston.com>
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, Boston,
20 MA 02110-1301, USA. */
28 #define DEFAULT_STACK_SIZE 0x20000
30 #define PLT_ENTRY_SIZE 20
32 #define PLT0_ENTRY_WORD0 0
33 #define PLT0_ENTRY_WORD1 0
34 #define PLT0_ENTRY_WORD2 0
35 #define PLT0_ENTRY_WORD3 0
36 #define PLT0_ENTRY_WORD4 0
38 #define PLT0_PIC_ENTRY_WORD0 0
39 #define PLT0_PIC_ENTRY_WORD1 0
40 #define PLT0_PIC_ENTRY_WORD2 0
41 #define PLT0_PIC_ENTRY_WORD3 0
42 #define PLT0_PIC_ENTRY_WORD4 0
44 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
46 extern const bfd_target lm32_elf32_fdpic_vec
;
48 #define IS_FDPIC(bfd) ((bfd)->xvec == &lm32_elf32_fdpic_vec)
50 static bfd_reloc_status_type lm32_elf_gprel_reloc
51 (bfd
*, arelent
*, asymbol
*, void *, asection
*, bfd
*, char **);
53 /* lm32 ELF linker hash table. */
55 struct elf_lm32_link_hash_table
57 struct elf_link_hash_table root
;
59 /* Short-cuts to get to dynamic linker sections. */
67 /* Get the lm32 ELF linker hash table from a link_info structure. */
69 #define lm32_elf_hash_table(p) \
70 ((is_elf_hash_table ((p)->hash) \
71 && elf_hash_table_id (elf_hash_table (p)) == LM32_ELF_DATA) \
72 ? (struct elf_lm32_link_hash_table *) (p)->hash : NULL)
74 #define lm32fdpic_got_section(info) \
75 (lm32_elf_hash_table (info)->root.sgot)
76 #define lm32fdpic_gotrel_section(info) \
77 (lm32_elf_hash_table (info)->root.srelgot)
78 #define lm32fdpic_fixup32_section(info) \
79 (lm32_elf_hash_table (info)->sfixup32)
81 struct weak_symbol_list
84 struct weak_symbol_list
*next
;
87 /* Create an lm32 ELF linker hash table. */
89 static struct bfd_link_hash_table
*
90 lm32_elf_link_hash_table_create (bfd
*abfd
)
92 struct elf_lm32_link_hash_table
*ret
;
93 size_t amt
= sizeof (struct elf_lm32_link_hash_table
);
95 ret
= bfd_zmalloc (amt
);
99 if (!_bfd_elf_link_hash_table_init (&ret
->root
, abfd
,
100 _bfd_elf_link_hash_newfunc
,
101 sizeof (struct elf_link_hash_entry
),
108 return &ret
->root
.root
;
111 /* Add a fixup to the ROFIXUP section. */
114 _lm32fdpic_add_rofixup (bfd
*output_bfd
, asection
*rofixup
, bfd_vma relocation
)
116 bfd_vma fixup_offset
;
118 if (rofixup
->flags
& SEC_EXCLUDE
)
121 fixup_offset
= rofixup
->reloc_count
* 4;
122 if (rofixup
->contents
)
124 BFD_ASSERT (fixup_offset
< rofixup
->size
);
125 if (fixup_offset
< rofixup
->size
)
126 bfd_put_32 (output_bfd
, relocation
, rofixup
->contents
+ fixup_offset
);
128 rofixup
->reloc_count
++;
133 /* Create .rofixup sections in DYNOBJ, and set up
134 shortcuts to them in our hash table. */
137 create_rofixup_section (bfd
*dynobj
, struct bfd_link_info
*info
)
139 struct elf_lm32_link_hash_table
*htab
;
140 htab
= lm32_elf_hash_table (info
);
145 /* Fixup section for R_LM32_32 relocs. */
146 lm32fdpic_fixup32_section (info
)
147 = bfd_make_section_anyway_with_flags (dynobj
,
155 if (lm32fdpic_fixup32_section (info
) == NULL
156 || !bfd_set_section_alignment (lm32fdpic_fixup32_section (info
), 2))
162 static reloc_howto_type lm32_elf_howto_table
[] =
164 /* This reloc does nothing. */
165 HOWTO (R_LM32_NONE
, /* type */
169 false, /* pc_relative */
171 complain_overflow_dont
, /* complain_on_overflow */
172 bfd_elf_generic_reloc
, /* special_function */
173 "R_LM32_NONE", /* name */
174 false, /* partial_inplace */
177 false), /* pcrel_offset */
179 /* An 8 bit absolute relocation. */
180 HOWTO (R_LM32_8
, /* type */
184 false, /* pc_relative */
186 complain_overflow_bitfield
,/* complain_on_overflow */
187 bfd_elf_generic_reloc
, /* special_function */
188 "R_LM32_8", /* name */
189 false, /* partial_inplace */
192 false), /* pcrel_offset */
194 /* A 16 bit absolute relocation. */
195 HOWTO (R_LM32_16
, /* type */
199 false, /* pc_relative */
201 complain_overflow_bitfield
,/* complain_on_overflow */
202 bfd_elf_generic_reloc
, /* special_function */
203 "R_LM32_16", /* name */
204 false, /* partial_inplace */
206 0xffff, /* dst_mask */
207 false), /* pcrel_offset */
209 /* A 32 bit absolute relocation. */
210 HOWTO (R_LM32_32
, /* type */
214 false, /* pc_relative */
216 complain_overflow_bitfield
,/* complain_on_overflow */
217 bfd_elf_generic_reloc
, /* special_function */
218 "R_LM32_32", /* name */
219 false, /* partial_inplace */
221 0xffffffff, /* dst_mask */
222 false), /* pcrel_offset */
224 HOWTO (R_LM32_HI16
, /* type */
228 false, /* pc_relative */
230 complain_overflow_bitfield
,/* complain_on_overflow */
231 bfd_elf_generic_reloc
, /* special_function */
232 "R_LM32_HI16", /* name */
233 false, /* partial_inplace */
235 0xffff, /* dst_mask */
236 false), /* pcrel_offset */
238 HOWTO (R_LM32_LO16
, /* type */
242 false, /* pc_relative */
244 complain_overflow_dont
, /* complain_on_overflow */
245 bfd_elf_generic_reloc
, /* special_function */
246 "R_LM32_LO16", /* name */
247 false, /* partial_inplace */
249 0xffff, /* dst_mask */
250 false), /* pcrel_offset */
252 HOWTO (R_LM32_GPREL16
, /* type */
256 false, /* pc_relative */
258 complain_overflow_dont
, /* complain_on_overflow */
259 lm32_elf_gprel_reloc
, /* special_function */
260 "R_LM32_GPREL16", /* name */
261 false, /* partial_inplace */
263 0xffff, /* dst_mask */
264 false), /* pcrel_offset */
266 HOWTO (R_LM32_CALL
, /* type */
270 true, /* pc_relative */
272 complain_overflow_signed
, /* complain_on_overflow */
273 bfd_elf_generic_reloc
, /* special_function */
274 "R_LM32_CALL", /* name */
275 false, /* partial_inplace */
277 0x3ffffff, /* dst_mask */
278 true), /* pcrel_offset */
280 HOWTO (R_LM32_BRANCH
, /* type */
284 true, /* pc_relative */
286 complain_overflow_signed
, /* complain_on_overflow */
287 bfd_elf_generic_reloc
, /* special_function */
288 "R_LM32_BRANCH", /* name */
289 false, /* partial_inplace */
291 0xffff, /* dst_mask */
292 true), /* pcrel_offset */
294 /* GNU extension to record C++ vtable hierarchy. */
295 HOWTO (R_LM32_GNU_VTINHERIT
, /* type */
299 false, /* pc_relative */
301 complain_overflow_dont
, /* complain_on_overflow */
302 NULL
, /* special_function */
303 "R_LM32_GNU_VTINHERIT", /* name */
304 false, /* partial_inplace */
307 false), /* pcrel_offset */
309 /* GNU extension to record C++ vtable member usage. */
310 HOWTO (R_LM32_GNU_VTENTRY
, /* type */
314 false, /* pc_relative */
316 complain_overflow_dont
, /* complain_on_overflow */
317 _bfd_elf_rel_vtable_reloc_fn
,/* special_function */
318 "R_LM32_GNU_VTENTRY", /* name */
319 false, /* partial_inplace */
322 false), /* pcrel_offset */
324 HOWTO (R_LM32_16_GOT
, /* type */
328 false, /* pc_relative */
330 complain_overflow_signed
, /* complain_on_overflow */
331 bfd_elf_generic_reloc
, /* special_function */
332 "R_LM32_16_GOT", /* name */
333 false, /* partial_inplace */
335 0xffff, /* dst_mask */
336 false), /* pcrel_offset */
338 HOWTO (R_LM32_GOTOFF_HI16
, /* type */
342 false, /* pc_relative */
344 complain_overflow_dont
, /* complain_on_overflow */
345 bfd_elf_generic_reloc
, /* special_function */
346 "R_LM32_GOTOFF_HI16", /* name */
347 false, /* partial_inplace */
348 0xffff, /* src_mask */
349 0xffff, /* dst_mask */
350 false), /* pcrel_offset */
352 HOWTO (R_LM32_GOTOFF_LO16
, /* type */
356 false, /* pc_relative */
358 complain_overflow_dont
, /* complain_on_overflow */
359 bfd_elf_generic_reloc
, /* special_function */
360 "R_LM32_GOTOFF_LO16", /* name */
361 false, /* partial_inplace */
362 0xffff, /* src_mask */
363 0xffff, /* dst_mask */
364 false), /* pcrel_offset */
366 HOWTO (R_LM32_COPY
, /* type */
370 false, /* pc_relative */
372 complain_overflow_bitfield
, /* complain_on_overflow */
373 bfd_elf_generic_reloc
, /* special_function */
374 "R_LM32_COPY", /* name */
375 false, /* partial_inplace */
376 0xffffffff, /* src_mask */
377 0xffffffff, /* dst_mask */
378 false), /* pcrel_offset */
380 HOWTO (R_LM32_GLOB_DAT
, /* type */
384 false, /* pc_relative */
386 complain_overflow_bitfield
, /* complain_on_overflow */
387 bfd_elf_generic_reloc
, /* special_function */
388 "R_LM32_GLOB_DAT", /* name */
389 false, /* partial_inplace */
390 0xffffffff, /* src_mask */
391 0xffffffff, /* dst_mask */
392 false), /* pcrel_offset */
394 HOWTO (R_LM32_JMP_SLOT
, /* type */
398 false, /* pc_relative */
400 complain_overflow_bitfield
, /* complain_on_overflow */
401 bfd_elf_generic_reloc
, /* special_function */
402 "R_LM32_JMP_SLOT", /* name */
403 false, /* partial_inplace */
404 0xffffffff, /* src_mask */
405 0xffffffff, /* dst_mask */
406 false), /* pcrel_offset */
408 HOWTO (R_LM32_RELATIVE
, /* type */
412 false, /* pc_relative */
414 complain_overflow_bitfield
, /* complain_on_overflow */
415 bfd_elf_generic_reloc
, /* special_function */
416 "R_LM32_RELATIVE", /* name */
417 false, /* partial_inplace */
418 0xffffffff, /* src_mask */
419 0xffffffff, /* dst_mask */
420 false), /* pcrel_offset */
424 /* Map BFD reloc types to lm32 ELF reloc types. */
426 struct lm32_reloc_map
428 bfd_reloc_code_real_type bfd_reloc_val
;
429 unsigned char elf_reloc_val
;
432 static const struct lm32_reloc_map lm32_reloc_map
[] =
434 { BFD_RELOC_NONE
, R_LM32_NONE
},
435 { BFD_RELOC_8
, R_LM32_8
},
436 { BFD_RELOC_16
, R_LM32_16
},
437 { BFD_RELOC_32
, R_LM32_32
},
438 { BFD_RELOC_HI16
, R_LM32_HI16
},
439 { BFD_RELOC_LO16
, R_LM32_LO16
},
440 { BFD_RELOC_GPREL16
, R_LM32_GPREL16
},
441 { BFD_RELOC_LM32_CALL
, R_LM32_CALL
},
442 { BFD_RELOC_LM32_BRANCH
, R_LM32_BRANCH
},
443 { BFD_RELOC_VTABLE_INHERIT
, R_LM32_GNU_VTINHERIT
},
444 { BFD_RELOC_VTABLE_ENTRY
, R_LM32_GNU_VTENTRY
},
445 { BFD_RELOC_LM32_16_GOT
, R_LM32_16_GOT
},
446 { BFD_RELOC_LM32_GOTOFF_HI16
, R_LM32_GOTOFF_HI16
},
447 { BFD_RELOC_LM32_GOTOFF_LO16
, R_LM32_GOTOFF_LO16
},
448 { BFD_RELOC_LM32_COPY
, R_LM32_COPY
},
449 { BFD_RELOC_LM32_GLOB_DAT
, R_LM32_GLOB_DAT
},
450 { BFD_RELOC_LM32_JMP_SLOT
, R_LM32_JMP_SLOT
},
451 { BFD_RELOC_LM32_RELATIVE
, R_LM32_RELATIVE
},
454 static reloc_howto_type
*
455 lm32_reloc_type_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
456 bfd_reloc_code_real_type code
)
460 for (i
= 0; i
< sizeof (lm32_reloc_map
) / sizeof (lm32_reloc_map
[0]); i
++)
461 if (lm32_reloc_map
[i
].bfd_reloc_val
== code
)
462 return &lm32_elf_howto_table
[lm32_reloc_map
[i
].elf_reloc_val
];
466 static reloc_howto_type
*
467 lm32_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
473 i
< sizeof (lm32_elf_howto_table
) / sizeof (lm32_elf_howto_table
[0]);
475 if (lm32_elf_howto_table
[i
].name
!= NULL
476 && strcasecmp (lm32_elf_howto_table
[i
].name
, r_name
) == 0)
477 return &lm32_elf_howto_table
[i
];
483 /* Set the howto pointer for an Lattice Mico32 ELF reloc. */
486 lm32_info_to_howto_rela (bfd
*abfd
,
488 Elf_Internal_Rela
*dst
)
492 r_type
= ELF32_R_TYPE (dst
->r_info
);
493 if (r_type
>= (unsigned int) R_LM32_max
)
495 /* xgettext:c-format */
496 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
498 bfd_set_error (bfd_error_bad_value
);
501 cache_ptr
->howto
= &lm32_elf_howto_table
[r_type
];
505 /* Set the right machine number for an Lattice Mico32 ELF file. */
508 lm32_elf_object_p (bfd
*abfd
)
510 return bfd_default_set_arch_mach (abfd
, bfd_arch_lm32
, bfd_mach_lm32
);
513 /* Set machine type flags just before file is written out. */
516 lm32_elf_final_write_processing (bfd
*abfd
)
518 elf_elfheader (abfd
)->e_machine
= EM_LATTICEMICO32
;
519 elf_elfheader (abfd
)->e_flags
&=~ EF_LM32_MACH
;
520 switch (bfd_get_mach (abfd
))
523 elf_elfheader (abfd
)->e_flags
|= E_LM32_MACH
;
528 return _bfd_elf_final_write_processing (abfd
);
531 /* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
532 dangerous relocation. */
535 lm32_elf_assign_gp (bfd
*output_bfd
, bfd_vma
*pgp
)
541 /* If we've already figured out what GP will be, just return it. */
542 *pgp
= _bfd_get_gp_value (output_bfd
);
546 count
= bfd_get_symcount (output_bfd
);
547 sym
= bfd_get_outsymbols (output_bfd
);
549 /* The linker script will have created a symbol named `_gp' with the
550 appropriate value. */
555 for (i
= 0; i
< count
; i
++, sym
++)
559 name
= bfd_asymbol_name (*sym
);
560 if (*name
== '_' && strcmp (name
, "_gp") == 0)
562 *pgp
= bfd_asymbol_value (*sym
);
563 _bfd_set_gp_value (output_bfd
, *pgp
);
571 /* Only get the error once. */
573 _bfd_set_gp_value (output_bfd
, *pgp
);
580 /* We have to figure out the gp value, so that we can adjust the
581 symbol value correctly. We look up the symbol _gp in the output
582 BFD. If we can't find it, we're stuck. We cache it in the ELF
583 target data. We don't need to adjust the symbol value for an
584 external symbol if we are producing relocatable output. */
586 static bfd_reloc_status_type
587 lm32_elf_final_gp (bfd
*output_bfd
, asymbol
*symbol
, bool relocatable
,
588 char **error_message
, bfd_vma
*pgp
)
590 if (bfd_is_und_section (symbol
->section
) && !relocatable
)
593 return bfd_reloc_undefined
;
596 *pgp
= _bfd_get_gp_value (output_bfd
);
597 if (*pgp
== 0 && (!relocatable
|| (symbol
->flags
& BSF_SECTION_SYM
) != 0))
601 /* Make up a value. */
602 *pgp
= symbol
->section
->output_section
->vma
+ 0x4000;
603 _bfd_set_gp_value (output_bfd
, *pgp
);
605 else if (!lm32_elf_assign_gp (output_bfd
, pgp
))
609 _("global pointer relative relocation when _gp not defined");
610 return bfd_reloc_dangerous
;
617 static bfd_reloc_status_type
618 lm32_elf_do_gprel_relocate (bfd
*abfd
,
619 reloc_howto_type
*howto
,
620 asection
*input_section ATTRIBUTE_UNUSED
,
623 bfd_vma symbol_value
,
626 return _bfd_final_link_relocate (howto
, abfd
, input_section
,
627 data
, offset
, symbol_value
, addend
);
630 static bfd_reloc_status_type
631 lm32_elf_gprel_reloc (bfd
*abfd
,
632 arelent
*reloc_entry
,
635 asection
*input_section
,
641 bfd_reloc_status_type r
;
643 if (output_bfd
!= (bfd
*) NULL
644 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
645 && (!reloc_entry
->howto
->partial_inplace
|| reloc_entry
->addend
== 0))
647 reloc_entry
->address
+= input_section
->output_offset
;
651 if (output_bfd
!= NULL
)
654 relocation
= symbol
->value
655 + symbol
->section
->output_section
->vma
+ symbol
->section
->output_offset
;
658 lm32_elf_final_gp (abfd
, symbol
, false, msg
, &gp
)) == bfd_reloc_ok
)
660 relocation
= relocation
+ reloc_entry
->addend
- gp
;
661 reloc_entry
->addend
= 0;
662 if ((signed) relocation
< -32768 || (signed) relocation
> 32767)
664 *msg
= _("global pointer relative address out of range");
665 r
= bfd_reloc_outofrange
;
669 r
= lm32_elf_do_gprel_relocate (abfd
, reloc_entry
->howto
,
671 data
, reloc_entry
->address
,
672 relocation
, reloc_entry
->addend
);
679 /* Find the segment number in which OSEC, and output section, is
683 _lm32fdpic_osec_to_segment (bfd
*output_bfd
, asection
*osec
)
685 struct elf_segment_map
*m
;
686 Elf_Internal_Phdr
*p
;
688 /* Find the segment that contains the output_section. */
689 for (m
= elf_seg_map (output_bfd
), p
= elf_tdata (output_bfd
)->phdr
;
695 for (i
= m
->count
- 1; i
>= 0; i
--)
696 if (m
->sections
[i
] == osec
)
703 return p
- elf_tdata (output_bfd
)->phdr
;
706 /* Determine if an output section is read-only. */
709 _lm32fdpic_osec_readonly_p (bfd
*output_bfd
, asection
*osec
)
711 unsigned seg
= _lm32fdpic_osec_to_segment (output_bfd
, osec
);
713 return ! (elf_tdata (output_bfd
)->phdr
[seg
].p_flags
& PF_W
);
716 /* Relocate a section */
719 lm32_elf_relocate_section (bfd
*output_bfd
,
720 struct bfd_link_info
*info
,
722 asection
*input_section
,
724 Elf_Internal_Rela
*relocs
,
725 Elf_Internal_Sym
*local_syms
,
726 asection
**local_sections
)
728 Elf_Internal_Shdr
*symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
729 struct elf_link_hash_entry
**sym_hashes
= elf_sym_hashes (input_bfd
);
730 Elf_Internal_Rela
*rel
, *relend
;
731 struct elf_lm32_link_hash_table
*htab
= lm32_elf_hash_table (info
);
732 bfd_vma
*local_got_offsets
;
738 local_got_offsets
= elf_local_got_offsets (input_bfd
);
740 sgot
= htab
->root
.sgot
;
742 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
743 sym_hashes
= elf_sym_hashes (input_bfd
);
746 relend
= relocs
+ input_section
->reloc_count
;
747 for (; rel
< relend
; rel
++)
749 reloc_howto_type
*howto
;
751 unsigned long r_symndx
;
752 Elf_Internal_Sym
*sym
;
754 struct elf_link_hash_entry
*h
;
757 bfd_reloc_status_type r
;
758 const char *name
= NULL
;
760 r_symndx
= ELF32_R_SYM (rel
->r_info
);
761 r_type
= ELF32_R_TYPE (rel
->r_info
);
763 if (r_type
== R_LM32_GNU_VTENTRY
764 || r_type
== R_LM32_GNU_VTINHERIT
)
771 howto
= lm32_elf_howto_table
+ r_type
;
773 if (r_symndx
< symtab_hdr
->sh_info
)
775 /* It's a local symbol. */
776 sym
= local_syms
+ r_symndx
;
777 sec
= local_sections
[r_symndx
];
778 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
779 name
= bfd_elf_string_from_elf_section
780 (input_bfd
, symtab_hdr
->sh_link
, sym
->st_name
);
781 name
= name
== NULL
? bfd_section_name (sec
) : name
;
785 /* It's a global symbol. */
786 bool unresolved_reloc
;
787 bool warned
, ignored
;
789 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
790 r_symndx
, symtab_hdr
, sym_hashes
,
792 unresolved_reloc
, warned
, ignored
);
793 name
= h
->root
.root
.string
;
796 if (sec
!= NULL
&& discarded_section (sec
))
797 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
798 rel
, 1, relend
, howto
, 0, contents
);
800 if (bfd_link_relocatable (info
))
802 /* This is a relocatable link. We don't have to change
803 anything, unless the reloc is against a section symbol,
804 in which case we have to adjust according to where the
805 section symbol winds up in the output section. */
806 if (sym
== NULL
|| ELF_ST_TYPE (sym
->st_info
) != STT_SECTION
)
809 /* If partial_inplace, we need to store any additional addend
810 back in the section. */
811 if (! howto
->partial_inplace
)
814 /* Shouldn't reach here. */
823 if (!lm32_elf_assign_gp (output_bfd
, &gp
))
824 r
= bfd_reloc_dangerous
;
827 relocation
= relocation
+ rel
->r_addend
- gp
;
829 if ((signed)relocation
< -32768 || (signed)relocation
> 32767)
830 r
= bfd_reloc_outofrange
;
833 r
= _bfd_final_link_relocate (howto
, input_bfd
,
834 input_section
, contents
,
835 rel
->r_offset
, relocation
,
841 /* Relocation is to the entry for this symbol in the global
843 BFD_ASSERT (sgot
!= NULL
);
850 BFD_ASSERT (off
!= (bfd_vma
) -1);
852 dyn
= htab
->root
.dynamic_sections_created
;
853 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
856 || (bfd_link_pic (info
)
862 /* This is actually a static link, or it is a
863 -Bsymbolic link and the symbol is defined
864 locally, or the symbol was forced to be local
865 because of a version file. We must initialize
866 this entry in the global offset table. Since the
867 offset must always be a multiple of 4, we use the
868 least significant bit to record whether we have
869 initialized it already.
871 When doing a dynamic link, we create a .rela.got
872 relocation entry to initialize the value. This
873 is done in the finish_dynamic_symbol routine. */
878 /* Write entry in GOT */
879 bfd_put_32 (output_bfd
, relocation
,
880 sgot
->contents
+ off
);
881 /* Create entry in .rofixup pointing to GOT entry. */
882 if (IS_FDPIC (output_bfd
) && h
->root
.type
!= bfd_link_hash_undefweak
)
884 _lm32fdpic_add_rofixup (output_bfd
,
885 lm32fdpic_fixup32_section
887 sgot
->output_section
->vma
888 + sgot
->output_offset
891 /* Mark GOT entry as having been written. */
896 relocation
= sgot
->output_offset
+ off
;
903 BFD_ASSERT (local_got_offsets
!= NULL
904 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
906 /* Get offset into GOT table. */
907 off
= local_got_offsets
[r_symndx
];
909 /* The offset must always be a multiple of 4. We use
910 the least significant bit to record whether we have
911 already processed this entry. */
916 /* Write entry in GOT. */
917 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
918 /* Create entry in .rofixup pointing to GOT entry. */
919 if (IS_FDPIC (output_bfd
))
921 _lm32fdpic_add_rofixup (output_bfd
,
922 lm32fdpic_fixup32_section
924 sgot
->output_section
->vma
925 + sgot
->output_offset
929 if (bfd_link_pic (info
))
932 Elf_Internal_Rela outrel
;
934 /* We need to generate a R_LM32_RELATIVE reloc
935 for the dynamic linker. */
936 srelgot
= htab
->root
.srelgot
;
937 BFD_ASSERT (srelgot
!= NULL
);
939 outrel
.r_offset
= (sgot
->output_section
->vma
940 + sgot
->output_offset
942 outrel
.r_info
= ELF32_R_INFO (0, R_LM32_RELATIVE
);
943 outrel
.r_addend
= relocation
;
944 loc
= srelgot
->contents
;
945 loc
+= srelgot
->reloc_count
* sizeof (Elf32_External_Rela
);
946 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,loc
);
947 ++srelgot
->reloc_count
;
950 local_got_offsets
[r_symndx
] |= 1;
954 relocation
= sgot
->output_offset
+ off
;
957 /* Addend should be zero. */
958 if (rel
->r_addend
!= 0)
960 (_("internal error: addend should be zero for %s"),
963 r
= _bfd_final_link_relocate (howto
,
972 case R_LM32_GOTOFF_LO16
:
973 case R_LM32_GOTOFF_HI16
:
974 /* Relocation is offset from GOT. */
975 BFD_ASSERT (sgot
!= NULL
);
976 relocation
-= sgot
->output_section
->vma
;
977 /* Account for sign-extension. */
978 if ((r_type
== R_LM32_GOTOFF_HI16
)
979 && ((relocation
+ rel
->r_addend
) & 0x8000))
980 rel
->r_addend
+= 0x10000;
981 r
= _bfd_final_link_relocate (howto
,
991 if (IS_FDPIC (output_bfd
))
993 if ((!h
) || (h
&& h
->root
.type
!= bfd_link_hash_undefweak
))
995 /* Only create .rofixup entries for relocs in loadable sections. */
996 if ((bfd_section_flags (input_section
->output_section
)
997 & (SEC_ALLOC
| SEC_LOAD
)) == (SEC_ALLOC
| SEC_LOAD
))
1000 /* Check address to be modified is writable. */
1001 if (_lm32fdpic_osec_readonly_p (output_bfd
,
1005 info
->callbacks
->warning
1007 _("cannot emit dynamic relocations in read-only section"),
1008 name
, input_bfd
, input_section
, rel
->r_offset
);
1011 /* Create entry in .rofixup section. */
1012 _lm32fdpic_add_rofixup (output_bfd
,
1013 lm32fdpic_fixup32_section (info
),
1014 input_section
->output_section
->vma
1015 + input_section
->output_offset
1023 r
= _bfd_final_link_relocate (howto
,
1034 if (r
!= bfd_reloc_ok
)
1036 const char *msg
= NULL
;
1039 if (! lm32_info_to_howto_rela (input_bfd
, &bfd_reloc
, rel
))
1041 howto
= bfd_reloc
.howto
;
1044 name
= h
->root
.root
.string
;
1047 name
= (bfd_elf_string_from_elf_section
1048 (input_bfd
, symtab_hdr
->sh_link
, sym
->st_name
));
1049 if (name
== NULL
|| *name
== '\0')
1050 name
= bfd_section_name (sec
);
1055 case bfd_reloc_overflow
:
1057 && (h
->root
.type
== bfd_link_hash_undefweak
))
1059 (*info
->callbacks
->reloc_overflow
)
1060 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
1061 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
1064 case bfd_reloc_undefined
:
1065 (*info
->callbacks
->undefined_symbol
)
1066 (info
, name
, input_bfd
, input_section
, rel
->r_offset
, true);
1069 case bfd_reloc_outofrange
:
1070 msg
= _("internal error: out of range error");
1073 case bfd_reloc_notsupported
:
1074 msg
= _("internal error: unsupported relocation error");
1077 case bfd_reloc_dangerous
:
1078 msg
= _("internal error: dangerous error");
1082 msg
= _("internal error: unknown error");
1086 (*info
->callbacks
->warning
) (info
, msg
, name
, input_bfd
,
1087 input_section
, rel
->r_offset
);
1097 lm32_elf_gc_mark_hook (asection
*sec
,
1098 struct bfd_link_info
*info
,
1099 Elf_Internal_Rela
*rel
,
1100 struct elf_link_hash_entry
*h
,
1101 Elf_Internal_Sym
*sym
)
1104 switch (ELF32_R_TYPE (rel
->r_info
))
1106 case R_LM32_GNU_VTINHERIT
:
1107 case R_LM32_GNU_VTENTRY
:
1111 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1114 /* Look through the relocs for a section during the first phase. */
1117 lm32_elf_check_relocs (bfd
*abfd
,
1118 struct bfd_link_info
*info
,
1120 const Elf_Internal_Rela
*relocs
)
1122 Elf_Internal_Shdr
*symtab_hdr
;
1123 struct elf_link_hash_entry
**sym_hashes
;
1124 const Elf_Internal_Rela
*rel
;
1125 const Elf_Internal_Rela
*rel_end
;
1126 struct elf_lm32_link_hash_table
*htab
;
1129 if (bfd_link_relocatable (info
))
1132 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
1133 sym_hashes
= elf_sym_hashes (abfd
);
1135 htab
= lm32_elf_hash_table (info
);
1139 dynobj
= htab
->root
.dynobj
;
1141 rel_end
= relocs
+ sec
->reloc_count
;
1142 for (rel
= relocs
; rel
< rel_end
; rel
++)
1145 struct elf_link_hash_entry
*h
;
1146 unsigned long r_symndx
;
1148 r_symndx
= ELF32_R_SYM (rel
->r_info
);
1149 r_type
= ELF32_R_TYPE (rel
->r_info
);
1150 if (r_symndx
< symtab_hdr
->sh_info
)
1154 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1155 while (h
->root
.type
== bfd_link_hash_indirect
1156 || h
->root
.type
== bfd_link_hash_warning
)
1157 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1160 /* Some relocs require a global offset table. */
1161 if (htab
->root
.sgot
== NULL
)
1166 case R_LM32_GOTOFF_HI16
:
1167 case R_LM32_GOTOFF_LO16
:
1169 htab
->root
.dynobj
= dynobj
= abfd
;
1170 if (!_bfd_elf_create_got_section (dynobj
, info
))
1176 /* Some relocs require a rofixup table. */
1177 if (IS_FDPIC (abfd
))
1182 /* FDPIC requires a GOT if there is a .rofixup section
1183 (Normal ELF doesn't). */
1185 htab
->root
.dynobj
= dynobj
= abfd
;
1186 if (!_bfd_elf_create_got_section (dynobj
, info
))
1188 /* Create .rofixup section */
1189 if (htab
->sfixup32
== NULL
)
1191 if (! create_rofixup_section (dynobj
, info
))
1196 case R_LM32_GOTOFF_HI16
:
1197 case R_LM32_GOTOFF_LO16
:
1198 /* Create .rofixup section. */
1199 if (htab
->sfixup32
== NULL
)
1202 htab
->root
.dynobj
= dynobj
= abfd
;
1203 if (! create_rofixup_section (dynobj
, info
))
1214 h
->got
.refcount
+= 1;
1217 bfd_signed_vma
*local_got_refcounts
;
1219 /* This is a global offset table entry for a local symbol. */
1220 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1221 if (local_got_refcounts
== NULL
)
1225 size
= symtab_hdr
->sh_info
;
1226 size
*= sizeof (bfd_signed_vma
);
1227 local_got_refcounts
= bfd_zalloc (abfd
, size
);
1228 if (local_got_refcounts
== NULL
)
1230 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1232 local_got_refcounts
[r_symndx
] += 1;
1236 /* This relocation describes the C++ object vtable hierarchy.
1237 Reconstruct it for later use during GC. */
1238 case R_LM32_GNU_VTINHERIT
:
1239 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1243 /* This relocation describes which C++ vtable entries are actually
1244 used. Record for later use during GC. */
1245 case R_LM32_GNU_VTENTRY
:
1246 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1256 /* Finish up the dynamic sections. */
1259 lm32_elf_finish_dynamic_sections (bfd
*output_bfd
,
1260 struct bfd_link_info
*info
)
1262 struct elf_lm32_link_hash_table
*htab
;
1267 htab
= lm32_elf_hash_table (info
);
1271 dynobj
= htab
->root
.dynobj
;
1273 sgot
= htab
->root
.sgotplt
;
1274 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
1276 if (htab
->root
.dynamic_sections_created
)
1279 Elf32_External_Dyn
*dyncon
, *dynconend
;
1281 BFD_ASSERT (sgot
!= NULL
&& sdyn
!= NULL
);
1283 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
1284 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->size
);
1286 for (; dyncon
< dynconend
; dyncon
++)
1288 Elf_Internal_Dyn dyn
;
1291 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
1299 s
= htab
->root
.sgotplt
;
1302 s
= htab
->root
.srelplt
;
1304 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
1305 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1309 s
= htab
->root
.srelplt
;
1310 dyn
.d_un
.d_val
= s
->size
;
1311 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1316 /* Fill in the first entry in the procedure linkage table. */
1317 splt
= htab
->root
.splt
;
1318 if (splt
&& splt
->size
> 0)
1320 if (bfd_link_pic (info
))
1322 bfd_put_32 (output_bfd
, PLT0_PIC_ENTRY_WORD0
, splt
->contents
);
1323 bfd_put_32 (output_bfd
, PLT0_PIC_ENTRY_WORD1
, splt
->contents
+ 4);
1324 bfd_put_32 (output_bfd
, PLT0_PIC_ENTRY_WORD2
, splt
->contents
+ 8);
1325 bfd_put_32 (output_bfd
, PLT0_PIC_ENTRY_WORD3
, splt
->contents
+ 12);
1326 bfd_put_32 (output_bfd
, PLT0_PIC_ENTRY_WORD4
, splt
->contents
+ 16);
1331 /* addr = .got + 4 */
1332 addr
= sgot
->output_section
->vma
+ sgot
->output_offset
+ 4;
1333 bfd_put_32 (output_bfd
,
1334 PLT0_ENTRY_WORD0
| ((addr
>> 16) & 0xffff),
1336 bfd_put_32 (output_bfd
,
1337 PLT0_ENTRY_WORD1
| (addr
& 0xffff),
1338 splt
->contents
+ 4);
1339 bfd_put_32 (output_bfd
, PLT0_ENTRY_WORD2
, splt
->contents
+ 8);
1340 bfd_put_32 (output_bfd
, PLT0_ENTRY_WORD3
, splt
->contents
+ 12);
1341 bfd_put_32 (output_bfd
, PLT0_ENTRY_WORD4
, splt
->contents
+ 16);
1344 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
=
1349 /* Fill in the first three entries in the global offset table. */
1350 if (sgot
&& sgot
->size
> 0)
1353 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
1355 bfd_put_32 (output_bfd
,
1356 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
1358 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 4);
1359 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
1361 /* FIXME: This can be null if create_dynamic_sections wasn't called. */
1362 if (elf_section_data (sgot
->output_section
) != NULL
)
1363 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
1366 if (lm32fdpic_fixup32_section (info
))
1368 struct elf_link_hash_entry
*hgot
= elf_hash_table (info
)->hgot
;
1369 bfd_vma got_value
= hgot
->root
.u
.def
.value
1370 + hgot
->root
.u
.def
.section
->output_section
->vma
1371 + hgot
->root
.u
.def
.section
->output_offset
;
1372 struct bfd_link_hash_entry
*hend
;
1374 /* Last entry is pointer to GOT. */
1375 _lm32fdpic_add_rofixup (output_bfd
, lm32fdpic_fixup32_section (info
), got_value
);
1377 /* Check we wrote enough entries. */
1378 if (lm32fdpic_fixup32_section (info
)->size
1379 != (lm32fdpic_fixup32_section (info
)->reloc_count
* 4))
1382 ("LINKER BUG: .rofixup section size mismatch: size/4 %" PRId64
1384 (int64_t) (lm32fdpic_fixup32_section (info
)->size
/ 4),
1385 lm32fdpic_fixup32_section (info
)->reloc_count
);
1389 hend
= bfd_link_hash_lookup (info
->hash
, "__ROFIXUP_END__",
1390 false, false, true);
1392 && (hend
->type
== bfd_link_hash_defined
1393 || hend
->type
== bfd_link_hash_defweak
)
1394 && hend
->u
.def
.section
->output_section
!= NULL
)
1397 lm32fdpic_fixup32_section (info
)->output_section
->vma
1398 + lm32fdpic_fixup32_section (info
)->output_offset
1399 + lm32fdpic_fixup32_section (info
)->size
1400 - hend
->u
.def
.section
->output_section
->vma
1401 - hend
->u
.def
.section
->output_offset
;
1402 BFD_ASSERT (hend
->u
.def
.value
== value
);
1403 if (hend
->u
.def
.value
!= value
)
1406 ("LINKER BUG: .rofixup section hend->u.def.value != value: %"
1407 PRId64
" != %" PRId64
,
1408 (int64_t) hend
->u
.def
.value
, (int64_t) value
);
1417 /* Finish up dynamic symbol handling. We set the contents of various
1418 dynamic sections here. */
1421 lm32_elf_finish_dynamic_symbol (bfd
*output_bfd
,
1422 struct bfd_link_info
*info
,
1423 struct elf_link_hash_entry
*h
,
1424 Elf_Internal_Sym
*sym
)
1426 struct elf_lm32_link_hash_table
*htab
;
1429 htab
= lm32_elf_hash_table (info
);
1433 if (h
->plt
.offset
!= (bfd_vma
) -1)
1441 Elf_Internal_Rela rela
;
1443 /* This symbol has an entry in the procedure linkage table. Set
1445 BFD_ASSERT (h
->dynindx
!= -1);
1447 splt
= htab
->root
.splt
;
1448 sgot
= htab
->root
.sgotplt
;
1449 srela
= htab
->root
.srelplt
;
1450 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srela
!= NULL
);
1452 /* Get the index in the procedure linkage table which
1453 corresponds to this symbol. This is the index of this symbol
1454 in all the symbols for which we are making plt entries. The
1455 first entry in the procedure linkage table is reserved. */
1456 plt_index
= h
->plt
.offset
/ PLT_ENTRY_SIZE
- 1;
1458 /* Get the offset into the .got table of the entry that
1459 corresponds to this function. Each .got entry is 4 bytes.
1460 The first three are reserved. */
1461 got_offset
= (plt_index
+ 3) * 4;
1463 /* Fill in the entry in the procedure linkage table. */
1464 if (! bfd_link_pic (info
))
1473 /* Fill in the entry in the global offset table. */
1474 bfd_put_32 (output_bfd
,
1475 (splt
->output_section
->vma
1476 + splt
->output_offset
1478 + 12), /* same offset */
1479 sgot
->contents
+ got_offset
);
1481 /* Fill in the entry in the .rela.plt section. */
1482 rela
.r_offset
= (sgot
->output_section
->vma
1483 + sgot
->output_offset
1485 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_LM32_JMP_SLOT
);
1487 loc
= srela
->contents
;
1488 loc
+= plt_index
* sizeof (Elf32_External_Rela
);
1489 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
1491 if (!h
->def_regular
)
1493 /* Mark the symbol as undefined, rather than as defined in
1494 the .plt section. Leave the value alone. */
1495 sym
->st_shndx
= SHN_UNDEF
;
1500 if (h
->got
.offset
!= (bfd_vma
) -1)
1504 Elf_Internal_Rela rela
;
1506 /* This symbol has an entry in the global offset table. Set it
1508 sgot
= htab
->root
.sgot
;
1509 srela
= htab
->root
.srelgot
;
1510 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
1512 rela
.r_offset
= (sgot
->output_section
->vma
1513 + sgot
->output_offset
1514 + (h
->got
.offset
&~ 1));
1516 /* If this is a -Bsymbolic link, and the symbol is defined
1517 locally, we just want to emit a RELATIVE reloc. Likewise if
1518 the symbol was forced to be local because of a version file.
1519 The entry in the global offset table will already have been
1520 initialized in the relocate_section function. */
1521 if (bfd_link_pic (info
)
1527 rela
.r_info
= ELF32_R_INFO (0, R_LM32_RELATIVE
);
1528 rela
.r_addend
= (h
->root
.u
.def
.value
1529 + h
->root
.u
.def
.section
->output_section
->vma
1530 + h
->root
.u
.def
.section
->output_offset
);
1534 BFD_ASSERT ((h
->got
.offset
& 1) == 0);
1535 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ h
->got
.offset
);
1536 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_LM32_GLOB_DAT
);
1540 loc
= srela
->contents
;
1541 loc
+= srela
->reloc_count
* sizeof (Elf32_External_Rela
);
1542 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
1543 ++srela
->reloc_count
;
1549 Elf_Internal_Rela rela
;
1551 /* This symbols needs a copy reloc. Set it up. */
1552 BFD_ASSERT (h
->dynindx
!= -1
1553 && (h
->root
.type
== bfd_link_hash_defined
1554 || h
->root
.type
== bfd_link_hash_defweak
));
1556 s
= bfd_get_linker_section (htab
->root
.dynobj
, ".rela.bss");
1557 BFD_ASSERT (s
!= NULL
);
1559 rela
.r_offset
= (h
->root
.u
.def
.value
1560 + h
->root
.u
.def
.section
->output_section
->vma
1561 + h
->root
.u
.def
.section
->output_offset
);
1562 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_LM32_COPY
);
1565 loc
+= s
->reloc_count
* sizeof (Elf32_External_Rela
);
1566 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
1570 /* Mark some specially defined symbols as absolute. */
1571 if (h
== htab
->root
.hdynamic
|| h
== htab
->root
.hgot
)
1572 sym
->st_shndx
= SHN_ABS
;
1577 static enum elf_reloc_type_class
1578 lm32_elf_reloc_type_class (const struct bfd_link_info
*info ATTRIBUTE_UNUSED
,
1579 const asection
*rel_sec ATTRIBUTE_UNUSED
,
1580 const Elf_Internal_Rela
*rela
)
1582 switch ((int) ELF32_R_TYPE (rela
->r_info
))
1584 case R_LM32_RELATIVE
: return reloc_class_relative
;
1585 case R_LM32_JMP_SLOT
: return reloc_class_plt
;
1586 case R_LM32_COPY
: return reloc_class_copy
;
1587 default: return reloc_class_normal
;
1591 /* Adjust a symbol defined by a dynamic object and referenced by a
1592 regular object. The current definition is in some section of the
1593 dynamic object, but we're not including those sections. We have to
1594 change the definition to something the rest of the link can
1598 lm32_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1599 struct elf_link_hash_entry
*h
)
1601 struct elf_lm32_link_hash_table
*htab
;
1605 dynobj
= elf_hash_table (info
)->dynobj
;
1607 /* Make sure we know what is going on here. */
1608 BFD_ASSERT (dynobj
!= NULL
1613 && !h
->def_regular
)));
1615 /* If this is a function, put it in the procedure linkage table. We
1616 will fill in the contents of the procedure linkage table later,
1617 when we know the address of the .got section. */
1618 if (h
->type
== STT_FUNC
1621 if (! bfd_link_pic (info
)
1624 && h
->root
.type
!= bfd_link_hash_undefweak
1625 && h
->root
.type
!= bfd_link_hash_undefined
)
1627 /* This case can occur if we saw a PLT reloc in an input
1628 file, but the symbol was never referred to by a dynamic
1629 object. In such a case, we don't actually need to build
1630 a procedure linkage table, and we can just do a PCREL
1632 h
->plt
.offset
= (bfd_vma
) -1;
1639 h
->plt
.offset
= (bfd_vma
) -1;
1641 /* If this is a weak symbol, and there is a real definition, the
1642 processor independent code will have arranged for us to see the
1643 real definition first, and we can just use the same value. */
1644 if (h
->is_weakalias
)
1646 struct elf_link_hash_entry
*def
= weakdef (h
);
1647 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
1648 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
1649 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
1653 /* This is a reference to a symbol defined by a dynamic object which
1654 is not a function. */
1656 /* If we are creating a shared library, we must presume that the
1657 only references to the symbol are via the global offset table.
1658 For such cases we need not do anything here; the relocations will
1659 be handled correctly by relocate_section. */
1660 if (bfd_link_pic (info
))
1663 /* If there are no references to this symbol that do not use the
1664 GOT, we don't need to generate a copy reloc. */
1665 if (!h
->non_got_ref
)
1668 /* If -z nocopyreloc was given, we won't generate them either. */
1669 if (0 && info
->nocopyreloc
)
1675 /* If we don't find any dynamic relocs in read-only sections, then
1676 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1677 if (0 && !_bfd_elf_readonly_dynrelocs (h
))
1683 /* We must allocate the symbol in our .dynbss section, which will
1684 become part of the .bss section of the executable. There will be
1685 an entry for this symbol in the .dynsym section. The dynamic
1686 object will contain position independent code, so all references
1687 from the dynamic object to this symbol will go through the global
1688 offset table. The dynamic linker will use the .dynsym entry to
1689 determine the address it must put in the global offset table, so
1690 both the dynamic object and the regular object will refer to the
1691 same memory location for the variable. */
1693 htab
= lm32_elf_hash_table (info
);
1698 BFD_ASSERT (s
!= NULL
);
1700 /* We must generate a R_LM32_COPY reloc to tell the dynamic linker
1701 to copy the initial value out of the dynamic object and into the
1702 runtime process image. We need to remember the offset into the
1703 .rela.bss section we are going to use. */
1704 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
1708 srel
= htab
->srelbss
;
1709 BFD_ASSERT (srel
!= NULL
);
1710 srel
->size
+= sizeof (Elf32_External_Rela
);
1714 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
1717 /* Allocate space in .plt, .got and associated reloc sections for
1721 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
1723 struct bfd_link_info
*info
;
1724 struct elf_lm32_link_hash_table
*htab
;
1725 struct elf_dyn_relocs
*p
;
1727 if (h
->root
.type
== bfd_link_hash_indirect
)
1730 info
= (struct bfd_link_info
*) inf
;
1731 htab
= lm32_elf_hash_table (info
);
1735 if (htab
->root
.dynamic_sections_created
1736 && h
->plt
.refcount
> 0)
1738 /* Make sure this symbol is output as a dynamic symbol.
1739 Undefined weak syms won't yet be marked as dynamic. */
1740 if (h
->dynindx
== -1
1741 && !h
->forced_local
)
1743 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1747 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
))
1749 asection
*s
= htab
->root
.splt
;
1751 /* If this is the first .plt entry, make room for the special
1754 s
->size
+= PLT_ENTRY_SIZE
;
1756 h
->plt
.offset
= s
->size
;
1758 /* If this symbol is not defined in a regular file, and we are
1759 not generating a shared library, then set the symbol to this
1760 location in the .plt. This is required to make function
1761 pointers compare as equal between the normal executable and
1762 the shared library. */
1763 if (! bfd_link_pic (info
)
1766 h
->root
.u
.def
.section
= s
;
1767 h
->root
.u
.def
.value
= h
->plt
.offset
;
1770 /* Make room for this entry. */
1771 s
->size
+= PLT_ENTRY_SIZE
;
1773 /* We also need to make an entry in the .got.plt section, which
1774 will be placed in the .got section by the linker script. */
1775 htab
->root
.sgotplt
->size
+= 4;
1777 /* We also need to make an entry in the .rel.plt section. */
1778 htab
->root
.srelplt
->size
+= sizeof (Elf32_External_Rela
);
1782 h
->plt
.offset
= (bfd_vma
) -1;
1788 h
->plt
.offset
= (bfd_vma
) -1;
1792 if (h
->got
.refcount
> 0)
1797 /* Make sure this symbol is output as a dynamic symbol.
1798 Undefined weak syms won't yet be marked as dynamic. */
1799 if (h
->dynindx
== -1
1800 && !h
->forced_local
)
1802 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1806 s
= htab
->root
.sgot
;
1808 h
->got
.offset
= s
->size
;
1810 dyn
= htab
->root
.dynamic_sections_created
;
1811 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
))
1812 htab
->root
.srelgot
->size
+= sizeof (Elf32_External_Rela
);
1815 h
->got
.offset
= (bfd_vma
) -1;
1817 if (h
->dyn_relocs
== NULL
)
1820 /* In the shared -Bsymbolic case, discard space allocated for
1821 dynamic pc-relative relocs against symbols which turn out to be
1822 defined in regular objects. For the normal shared case, discard
1823 space for pc-relative relocs that have become local due to symbol
1824 visibility changes. */
1826 if (bfd_link_pic (info
))
1832 struct elf_dyn_relocs
**pp
;
1834 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
;)
1836 p
->count
-= p
->pc_count
;
1845 /* Also discard relocs on undefined weak syms with non-default
1847 if (h
->dyn_relocs
!= NULL
1848 && h
->root
.type
== bfd_link_hash_undefweak
)
1850 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
1851 h
->dyn_relocs
= NULL
;
1853 /* Make sure undefined weak symbols are output as a dynamic
1855 else if (h
->dynindx
== -1
1856 && !h
->forced_local
)
1858 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1865 /* For the non-shared case, discard space for relocs against
1866 symbols which turn out to need copy relocs or are not
1872 || (htab
->root
.dynamic_sections_created
1873 && (h
->root
.type
== bfd_link_hash_undefweak
1874 || h
->root
.type
== bfd_link_hash_undefined
))))
1876 /* Make sure this symbol is output as a dynamic symbol.
1877 Undefined weak syms won't yet be marked as dynamic. */
1878 if (h
->dynindx
== -1
1879 && !h
->forced_local
)
1881 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
1885 /* If that succeeded, we know we'll be keeping all the
1887 if (h
->dynindx
!= -1)
1891 h
->dyn_relocs
= NULL
;
1896 /* Finally, allocate space. */
1897 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
1899 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
1900 sreloc
->size
+= p
->count
* sizeof (Elf32_External_Rela
);
1906 /* Set the sizes of the dynamic sections. */
1909 lm32_elf_size_dynamic_sections (bfd
*output_bfd
,
1910 struct bfd_link_info
*info
)
1912 struct elf_lm32_link_hash_table
*htab
;
1918 htab
= lm32_elf_hash_table (info
);
1922 dynobj
= htab
->root
.dynobj
;
1923 BFD_ASSERT (dynobj
!= NULL
);
1925 if (htab
->root
.dynamic_sections_created
)
1927 /* Set the contents of the .interp section to the interpreter. */
1928 if (bfd_link_executable (info
) && !info
->nointerp
)
1930 s
= bfd_get_linker_section (dynobj
, ".interp");
1931 BFD_ASSERT (s
!= NULL
);
1932 s
->size
= sizeof ELF_DYNAMIC_INTERPRETER
;
1933 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
1937 /* Set up .got offsets for local syms, and space for local dynamic
1939 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
1941 bfd_signed_vma
*local_got
;
1942 bfd_signed_vma
*end_local_got
;
1943 bfd_size_type locsymcount
;
1944 Elf_Internal_Shdr
*symtab_hdr
;
1947 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
)
1950 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
1952 struct elf_dyn_relocs
*p
;
1954 for (p
= ((struct elf_dyn_relocs
*)
1955 elf_section_data (s
)->local_dynrel
);
1959 if (! bfd_is_abs_section (p
->sec
)
1960 && bfd_is_abs_section (p
->sec
->output_section
))
1962 /* Input section has been discarded, either because
1963 it is a copy of a linkonce section or due to
1964 linker script /DISCARD/, so we'll be discarding
1967 else if (p
->count
!= 0)
1969 srel
= elf_section_data (p
->sec
)->sreloc
;
1970 srel
->size
+= p
->count
* sizeof (Elf32_External_Rela
);
1971 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
1972 info
->flags
|= DF_TEXTREL
;
1977 local_got
= elf_local_got_refcounts (ibfd
);
1981 symtab_hdr
= &elf_tdata (ibfd
)->symtab_hdr
;
1982 locsymcount
= symtab_hdr
->sh_info
;
1983 end_local_got
= local_got
+ locsymcount
;
1984 s
= htab
->root
.sgot
;
1985 srel
= htab
->root
.srelgot
;
1986 for (; local_got
< end_local_got
; ++local_got
)
1990 *local_got
= s
->size
;
1992 if (bfd_link_pic (info
))
1993 srel
->size
+= sizeof (Elf32_External_Rela
);
1996 *local_got
= (bfd_vma
) -1;
2000 /* Allocate global sym .plt and .got entries, and space for global
2001 sym dynamic relocs. */
2002 elf_link_hash_traverse (&htab
->root
, allocate_dynrelocs
, info
);
2004 /* We now have determined the sizes of the various dynamic sections.
2005 Allocate memory for them. */
2007 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2009 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2012 if (s
== htab
->root
.splt
2013 || s
== htab
->root
.sgot
2014 || s
== htab
->root
.sgotplt
2015 || s
== htab
->sdynbss
)
2017 /* Strip this section if we don't need it; see the
2020 else if (startswith (bfd_section_name (s
), ".rela"))
2022 if (s
->size
!= 0 && s
!= htab
->root
.srelplt
)
2025 /* We use the reloc_count field as a counter if we need
2026 to copy relocs into the output file. */
2030 /* It's not one of our sections, so don't allocate space. */
2035 /* If we don't need this section, strip it from the
2036 output file. This is mostly to handle .rela.bss and
2037 .rela.plt. We must create both sections in
2038 create_dynamic_sections, because they must be created
2039 before the linker maps input sections to output
2040 sections. The linker does that before
2041 adjust_dynamic_symbol is called, and it is that
2042 function which decides whether anything needs to go
2043 into these sections. */
2044 s
->flags
|= SEC_EXCLUDE
;
2048 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2051 /* Allocate memory for the section contents. We use bfd_zalloc
2052 here in case unused entries are not reclaimed before the
2053 section's contents are written out. This should not happen,
2054 but this way if it does, we get a R_LM32_NONE reloc instead
2056 s
->contents
= bfd_zalloc (dynobj
, s
->size
);
2057 if (s
->contents
== NULL
)
2061 if (!_bfd_elf_add_dynamic_tags (output_bfd
, info
, relocs
))
2064 /* Allocate .rofixup section. */
2065 if (IS_FDPIC (output_bfd
))
2067 struct weak_symbol_list
*list_start
= NULL
, *list_end
= NULL
;
2068 int rgot_weak_count
= 0;
2071 /* Look for deleted sections. */
2072 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2074 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2078 /* Count relocs that need .rofixup entires. */
2079 Elf_Internal_Rela
*internal_relocs
, *end
;
2080 internal_relocs
= elf_section_data (s
)->relocs
;
2081 if (internal_relocs
== NULL
)
2082 internal_relocs
= (_bfd_elf_link_read_relocs (ibfd
, s
, NULL
, NULL
, false));
2083 if (internal_relocs
!= NULL
)
2085 end
= internal_relocs
+ s
->reloc_count
;
2086 while (internal_relocs
< end
)
2088 Elf_Internal_Shdr
*symtab_hdr
= &elf_tdata (ibfd
)->symtab_hdr
;
2089 struct elf_link_hash_entry
**sym_hashes
= elf_sym_hashes (ibfd
);
2090 unsigned long r_symndx
;
2091 struct elf_link_hash_entry
*h
;
2093 symtab_hdr
= &elf_tdata (ibfd
)->symtab_hdr
;
2094 sym_hashes
= elf_sym_hashes (ibfd
);
2095 r_symndx
= ELF32_R_SYM (internal_relocs
->r_info
);
2097 if (r_symndx
< symtab_hdr
->sh_info
)
2102 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
2103 while (h
->root
.type
== bfd_link_hash_indirect
2104 || h
->root
.type
== bfd_link_hash_warning
)
2105 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
2108 /* Don't generate entries for weak symbols. */
2109 if (!h
|| (h
&& h
->root
.type
!= bfd_link_hash_undefweak
))
2111 if (!discarded_section (s
) && !((bfd_section_flags (s
) & SEC_ALLOC
) == 0))
2113 switch (ELF32_R_TYPE (internal_relocs
->r_info
))
2126 struct weak_symbol_list
*current
, *new_entry
;
2127 /* Is this symbol already in the list? */
2128 for (current
= list_start
; current
; current
= current
->next
)
2130 if (!strcmp (current
->name
, h
->root
.root
.string
))
2133 if (!current
&& !discarded_section (s
) && (bfd_section_flags (s
) & SEC_ALLOC
))
2135 /* Will this have an entry in the GOT. */
2136 if (ELF32_R_TYPE (internal_relocs
->r_info
) == R_LM32_16_GOT
)
2138 /* Create a new entry. */
2139 new_entry
= malloc (sizeof (struct weak_symbol_list
));
2142 new_entry
->name
= h
->root
.root
.string
;
2143 new_entry
->next
= NULL
;
2145 if (list_start
== NULL
)
2147 list_start
= new_entry
;
2148 list_end
= new_entry
;
2152 list_end
->next
= new_entry
;
2153 list_end
= new_entry
;
2155 /* Increase count of undefined weak symbols in the got. */
2171 list_end
= list_start
->next
;
2173 list_start
= list_end
;
2176 /* Size sections. */
2177 lm32fdpic_fixup32_section (info
)->size
2178 = (r32_count
+ (htab
->root
.sgot
->size
/ 4) - rgot_weak_count
+ 1) * 4;
2179 if (lm32fdpic_fixup32_section (info
)->size
== 0)
2180 lm32fdpic_fixup32_section (info
)->flags
|= SEC_EXCLUDE
;
2183 lm32fdpic_fixup32_section (info
)->contents
=
2184 bfd_zalloc (dynobj
, lm32fdpic_fixup32_section (info
)->size
);
2185 if (lm32fdpic_fixup32_section (info
)->contents
== NULL
)
2193 /* Create dynamic sections when linking against a dynamic object. */
2196 lm32_elf_create_dynamic_sections (bfd
*abfd
, struct bfd_link_info
*info
)
2198 struct elf_lm32_link_hash_table
*htab
;
2199 flagword flags
, pltflags
;
2201 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
2202 int ptralign
= 2; /* 32bit */
2204 htab
= lm32_elf_hash_table (info
);
2208 /* Make sure we have a GOT - For the case where we have a dynamic object
2209 but none of the relocs in check_relocs */
2210 if (!_bfd_elf_create_got_section (abfd
, info
))
2212 if (IS_FDPIC (abfd
) && (htab
->sfixup32
== NULL
))
2214 if (! create_rofixup_section (abfd
, info
))
2218 /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
2219 .rel[a].bss sections. */
2220 flags
= (SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
2221 | SEC_LINKER_CREATED
);
2224 pltflags
|= SEC_CODE
;
2225 if (bed
->plt_not_loaded
)
2226 pltflags
&= ~ (SEC_LOAD
| SEC_HAS_CONTENTS
);
2227 if (bed
->plt_readonly
)
2228 pltflags
|= SEC_READONLY
;
2230 s
= bfd_make_section_anyway_with_flags (abfd
, ".plt", pltflags
);
2231 htab
->root
.splt
= s
;
2233 || !bfd_set_section_alignment (s
, bed
->plt_alignment
))
2236 if (bed
->want_plt_sym
)
2238 /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
2240 struct bfd_link_hash_entry
*bh
= NULL
;
2241 struct elf_link_hash_entry
*h
;
2243 if (! (_bfd_generic_link_add_one_symbol
2244 (info
, abfd
, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL
, s
,
2245 (bfd_vma
) 0, NULL
, false,
2246 get_elf_backend_data (abfd
)->collect
, &bh
)))
2248 h
= (struct elf_link_hash_entry
*) bh
;
2250 h
->type
= STT_OBJECT
;
2251 htab
->root
.hplt
= h
;
2253 if (bfd_link_pic (info
)
2254 && ! bfd_elf_link_record_dynamic_symbol (info
, h
))
2258 s
= bfd_make_section_anyway_with_flags (abfd
,
2259 bed
->default_use_rela_p
2260 ? ".rela.plt" : ".rel.plt",
2261 flags
| SEC_READONLY
);
2262 htab
->root
.srelplt
= s
;
2264 || !bfd_set_section_alignment (s
, ptralign
))
2267 if (htab
->root
.sgot
== NULL
2268 && !_bfd_elf_create_got_section (abfd
, info
))
2271 if (bed
->want_dynbss
)
2273 /* The .dynbss section is a place to put symbols which are defined
2274 by dynamic objects, are referenced by regular objects, and are
2275 not functions. We must allocate space for them in the process
2276 image and use a R_*_COPY reloc to tell the dynamic linker to
2277 initialize them at run time. The linker script puts the .dynbss
2278 section into the .bss section of the final image. */
2279 s
= bfd_make_section_anyway_with_flags (abfd
, ".dynbss",
2280 SEC_ALLOC
| SEC_LINKER_CREATED
);
2284 /* The .rel[a].bss section holds copy relocs. This section is not
2285 normally needed. We need to create it here, though, so that the
2286 linker will map it to an output section. We can't just create it
2287 only if we need it, because we will not know whether we need it
2288 until we have seen all the input files, and the first time the
2289 main linker code calls BFD after examining all the input files
2290 (size_dynamic_sections) the input sections have already been
2291 mapped to the output sections. If the section turns out not to
2292 be needed, we can discard it later. We will never need this
2293 section when generating a shared object, since they do not use
2295 if (! bfd_link_pic (info
))
2297 s
= bfd_make_section_anyway_with_flags (abfd
,
2298 (bed
->default_use_rela_p
2299 ? ".rela.bss" : ".rel.bss"),
2300 flags
| SEC_READONLY
);
2303 || !bfd_set_section_alignment (s
, ptralign
))
2312 lm32_elf_always_size_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
2314 if (!bfd_link_relocatable (info
))
2316 if (!bfd_elf_stack_segment_size (output_bfd
, info
,
2317 "__stacksize", DEFAULT_STACK_SIZE
))
2320 asection
*sec
= bfd_get_section_by_name (output_bfd
, ".stack");
2322 sec
->size
= info
->stacksize
>= 0 ? info
->stacksize
: 0;
2329 lm32_elf_fdpic_copy_private_bfd_data (bfd
*ibfd
, bfd
*obfd
)
2333 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
2334 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
2337 if (! _bfd_elf_copy_private_bfd_data (ibfd
, obfd
))
2340 if (! elf_tdata (ibfd
) || ! elf_tdata (ibfd
)->phdr
2341 || ! elf_tdata (obfd
) || ! elf_tdata (obfd
)->phdr
)
2344 /* Copy the stack size. */
2345 for (i
= 0; i
< elf_elfheader (ibfd
)->e_phnum
; i
++)
2346 if (elf_tdata (ibfd
)->phdr
[i
].p_type
== PT_GNU_STACK
)
2348 Elf_Internal_Phdr
*iphdr
= &elf_tdata (ibfd
)->phdr
[i
];
2350 for (i
= 0; i
< elf_elfheader (obfd
)->e_phnum
; i
++)
2351 if (elf_tdata (obfd
)->phdr
[i
].p_type
== PT_GNU_STACK
)
2353 memcpy (&elf_tdata (obfd
)->phdr
[i
], iphdr
, sizeof (*iphdr
));
2355 /* Rewrite the phdrs, since we're only called after they were first written. */
2356 if (bfd_seek (obfd
, (bfd_signed_vma
) get_elf_backend_data (obfd
)
2357 ->s
->sizeof_ehdr
, SEEK_SET
) != 0
2358 || get_elf_backend_data (obfd
)->s
->write_out_phdrs (obfd
, elf_tdata (obfd
)->phdr
,
2359 elf_elfheader (obfd
)->e_phnum
) != 0)
2371 #define ELF_ARCH bfd_arch_lm32
2372 #define ELF_TARGET_ID LM32_ELF_DATA
2373 #define ELF_MACHINE_CODE EM_LATTICEMICO32
2374 #define ELF_MAXPAGESIZE 0x1000
2376 #define TARGET_BIG_SYM lm32_elf32_vec
2377 #define TARGET_BIG_NAME "elf32-lm32"
2379 #define bfd_elf32_bfd_reloc_type_lookup lm32_reloc_type_lookup
2380 #define bfd_elf32_bfd_reloc_name_lookup lm32_reloc_name_lookup
2381 #define elf_info_to_howto lm32_info_to_howto_rela
2382 #define elf_info_to_howto_rel NULL
2383 #define elf_backend_rela_normal 1
2384 #define elf_backend_object_p lm32_elf_object_p
2385 #define elf_backend_final_write_processing lm32_elf_final_write_processing
2386 #define elf_backend_stack_align 8
2387 #define elf_backend_can_gc_sections 1
2388 #define elf_backend_can_refcount 1
2389 #define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
2390 #define elf_backend_plt_readonly 1
2391 #define elf_backend_want_got_plt 1
2392 #define elf_backend_want_plt_sym 0
2393 #define elf_backend_got_header_size 12
2394 #define elf_backend_dtrel_excludes_plt 1
2395 #define bfd_elf32_bfd_link_hash_table_create lm32_elf_link_hash_table_create
2396 #define elf_backend_check_relocs lm32_elf_check_relocs
2397 #define elf_backend_reloc_type_class lm32_elf_reloc_type_class
2398 #define elf_backend_size_dynamic_sections lm32_elf_size_dynamic_sections
2399 #define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_all
2400 #define elf_backend_create_dynamic_sections lm32_elf_create_dynamic_sections
2401 #define elf_backend_finish_dynamic_sections lm32_elf_finish_dynamic_sections
2402 #define elf_backend_adjust_dynamic_symbol lm32_elf_adjust_dynamic_symbol
2403 #define elf_backend_finish_dynamic_symbol lm32_elf_finish_dynamic_symbol
2404 #define elf_backend_relocate_section lm32_elf_relocate_section
2406 #include "elf32-target.h"
2408 #undef ELF_MAXPAGESIZE
2409 #define ELF_MAXPAGESIZE 0x4000
2412 #undef TARGET_BIG_SYM
2413 #define TARGET_BIG_SYM lm32_elf32_fdpic_vec
2414 #undef TARGET_BIG_NAME
2415 #define TARGET_BIG_NAME "elf32-lm32fdpic"
2417 #define elf32_bed elf32_lm32fdpic_bed
2419 #undef elf_backend_always_size_sections
2420 #define elf_backend_always_size_sections lm32_elf_always_size_sections
2421 #undef bfd_elf32_bfd_copy_private_bfd_data
2422 #define bfd_elf32_bfd_copy_private_bfd_data lm32_elf_fdpic_copy_private_bfd_data
2424 #include "elf32-target.h"