1 /* Intel 80386/80486-specific support for 32-bit ELF
2 Copyright 1993 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 static CONST
struct reloc_howto_struct
*elf_i386_reloc_type_lookup
27 PARAMS ((bfd
*, bfd_reloc_code_real_type
));
28 static void elf_i386_info_to_howto
29 PARAMS ((bfd
*, arelent
*, Elf32_Internal_Rela
*));
30 static void elf_i386_info_to_howto_rel
31 PARAMS ((bfd
*, arelent
*, Elf32_Internal_Rel
*));
32 static boolean elf_i386_create_dynamic_sections
33 PARAMS ((bfd
*, struct bfd_link_info
*));
34 static boolean elf_i386_create_got_section
35 PARAMS ((bfd
*, struct bfd_link_info
*));
36 static boolean elf_i386_check_relocs
37 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*,
38 const Elf_Internal_Rela
*));
39 static boolean elf_i386_adjust_dynamic_symbol
40 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
41 static boolean elf_i386_size_dynamic_sections
42 PARAMS ((bfd
*, struct bfd_link_info
*));
43 static boolean elf_i386_relocate_section
44 PARAMS ((bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
45 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**));
46 static boolean elf_i386_finish_dynamic_symbol
47 PARAMS ((bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
49 static boolean elf_i386_finish_dynamic_sections
50 PARAMS ((bfd
*, struct bfd_link_info
*));
52 #define USE_REL 1 /* 386 uses REL relocations instead of RELA */
71 static CONST
char *CONST reloc_type_names
[] =
87 static reloc_howto_type elf_howto_table
[]=
89 HOWTO(R_386_NONE
, 0,0, 0,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_NONE", true,0x00000000,0x00000000,false),
90 HOWTO(R_386_32
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_32", true,0xffffffff,0xffffffff,false),
91 HOWTO(R_386_PC32
, 0,2,32,true, 0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_PC32", true,0xffffffff,0xffffffff,true),
92 HOWTO(R_386_GOT32
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_GOT32", true,0xffffffff,0xffffffff,false),
93 HOWTO(R_386_PLT32
, 0,2,32,true,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_PLT32", true,0xffffffff,0xffffffff,true),
94 HOWTO(R_386_COPY
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_COPY", true,0xffffffff,0xffffffff,false),
95 HOWTO(R_386_GLOB_DAT
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_GLOB_DAT", true,0xffffffff,0xffffffff,false),
96 HOWTO(R_386_JUMP_SLOT
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_JUMP_SLOT",true,0xffffffff,0xffffffff,false),
97 HOWTO(R_386_RELATIVE
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_RELATIVE", true,0xffffffff,0xffffffff,false),
98 HOWTO(R_386_GOTOFF
, 0,2,32,false,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_GOTOFF", true,0xffffffff,0xffffffff,false),
99 HOWTO(R_386_GOTPC
, 0,2,32,true,0,complain_overflow_bitfield
, bfd_elf_generic_reloc
,"R_386_GOTPC", true,0xffffffff,0xffffffff,true),
102 #ifdef DEBUG_GEN_RELOC
103 #define TRACE(str) fprintf (stderr, "i386 bfd reloc lookup %d (%s)\n", code, str)
108 static CONST
struct reloc_howto_struct
*
109 elf_i386_reloc_type_lookup (abfd
, code
)
111 bfd_reloc_code_real_type code
;
116 TRACE ("BFD_RELOC_NONE");
117 return &elf_howto_table
[ (int)R_386_NONE
];
120 TRACE ("BFD_RELOC_32");
121 return &elf_howto_table
[ (int)R_386_32
];
123 case BFD_RELOC_32_PCREL
:
124 TRACE ("BFD_RELOC_PC32");
125 return &elf_howto_table
[ (int)R_386_PC32
];
127 case BFD_RELOC_386_GOT32
:
128 TRACE ("BFD_RELOC_386_GOT32");
129 return &elf_howto_table
[ (int)R_386_GOT32
];
131 case BFD_RELOC_386_PLT32
:
132 TRACE ("BFD_RELOC_386_PLT32");
133 return &elf_howto_table
[ (int)R_386_PLT32
];
135 case BFD_RELOC_386_COPY
:
136 TRACE ("BFD_RELOC_386_COPY");
137 return &elf_howto_table
[ (int)R_386_COPY
];
139 case BFD_RELOC_386_GLOB_DAT
:
140 TRACE ("BFD_RELOC_386_GLOB_DAT");
141 return &elf_howto_table
[ (int)R_386_GLOB_DAT
];
143 case BFD_RELOC_386_JUMP_SLOT
:
144 TRACE ("BFD_RELOC_386_JUMP_SLOT");
145 return &elf_howto_table
[ (int)R_386_JUMP_SLOT
];
147 case BFD_RELOC_386_RELATIVE
:
148 TRACE ("BFD_RELOC_386_RELATIVE");
149 return &elf_howto_table
[ (int)R_386_RELATIVE
];
151 case BFD_RELOC_386_GOTOFF
:
152 TRACE ("BFD_RELOC_386_GOTOFF");
153 return &elf_howto_table
[ (int)R_386_GOTOFF
];
155 case BFD_RELOC_386_GOTPC
:
156 TRACE ("BFD_RELOC_386_GOTPC");
157 return &elf_howto_table
[ (int)R_386_GOTPC
];
168 elf_i386_info_to_howto (abfd
, cache_ptr
, dst
)
171 Elf32_Internal_Rela
*dst
;
173 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < (unsigned int) R_386_max
);
175 cache_ptr
->howto
= &elf_howto_table
[ELF32_R_TYPE(dst
->r_info
)];
179 elf_i386_info_to_howto_rel (abfd
, cache_ptr
, dst
)
182 Elf32_Internal_Rel
*dst
;
184 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < (unsigned int) R_386_max
);
186 cache_ptr
->howto
= &elf_howto_table
[ELF32_R_TYPE(dst
->r_info
)];
189 /* Functions for the i386 ELF linker. */
191 /* The name of the dynamic interpreter. This is put in the .interp
194 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
196 /* The size in bytes of an entry in the procedure linkage table. */
198 #define PLT_ENTRY_SIZE 16
200 /* The first entry in an absolute procedure linkage table looks like
201 this. See the SVR4 ABI i386 supplement to see how this works. */
203 static bfd_byte elf_i386_plt0_entry
[PLT_ENTRY_SIZE
] =
205 0xff, 0x35, /* pushl contents of address */
206 0, 0, 0, 0, /* replaced with address of .got + 4. */
207 0xff, 0x25, /* jmp indirect */
208 0, 0, 0, 0, /* replaced with address of .got + 8. */
209 0, 0, 0, 0 /* pad out to 16 bytes. */
212 /* Subsequent entries in an absolute procedure linkage table look like
215 static bfd_byte elf_i386_plt_entry
[PLT_ENTRY_SIZE
] =
217 0xff, 0x25, /* jmp indirect */
218 0, 0, 0, 0, /* replaced with address of this symbol in .got. */
219 0x68, /* pushl immediate */
220 0, 0, 0, 0, /* replaced with offset into relocation table. */
221 0xe9, /* jmp relative */
222 0, 0, 0, 0 /* replaced with offset to start of .plt. */
225 /* The first entry in a PIC procedure linkage table look like this. */
227 static bfd_byte elf_i386_pic_plt0_entry
[PLT_ENTRY_SIZE
] =
229 0xff, 0xb3, 4, 0, 0, 0, /* pushl 4(%ebx) */
230 0xff, 0xa3, 8, 0, 0, 0, /* jmp *8(%ebx) */
231 0, 0, 0, 0 /* pad out to 16 bytes. */
234 /* Subsequent entries in a PIC procedure linkage table look like this. */
236 static bfd_byte elf_i386_pic_plt_entry
[PLT_ENTRY_SIZE
] =
238 0xff, 0xa3, /* jmp *offset(%ebx) */
239 0, 0, 0, 0, /* replaced with offset of this symbol in .got. */
240 0x68, /* pushl immediate */
241 0, 0, 0, 0, /* replaced with offset into relocation table. */
242 0xe9, /* jmp relative */
243 0, 0, 0, 0 /* replaced with offset to start of .plt. */
246 /* Create dynamic sections when linking against a dynamic object. */
249 elf_i386_create_dynamic_sections (abfd
, info
)
251 struct bfd_link_info
*info
;
254 register asection
*s
;
256 /* We need to create .plt, .rel.plt, .got, .got.plt, .dynbss, and
257 .rel.bss sections. */
259 flags
= SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
;
261 s
= bfd_make_section (abfd
, ".plt");
263 || ! bfd_set_section_flags (abfd
, s
, flags
| SEC_READONLY
| SEC_CODE
)
264 || ! bfd_set_section_alignment (abfd
, s
, 2))
267 s
= bfd_make_section (abfd
, ".rel.plt");
269 || ! bfd_set_section_flags (abfd
, s
, flags
| SEC_READONLY
)
270 || ! bfd_set_section_alignment (abfd
, s
, 2))
273 if (! elf_i386_create_got_section (abfd
, info
))
276 /* The .dynbss section is a place to put symbols which are defined
277 by dynamic objects, are referenced by regular objects, and are
278 not functions. We must allocate space for them in the process
279 image and use a R_386_COPY reloc to tell the dynamic linker to
280 initialize them at run time. The linker script puts the .dynbss
281 section into the .bss section of the final image. */
282 s
= bfd_make_section (abfd
, ".dynbss");
284 || ! bfd_set_section_flags (abfd
, s
, SEC_ALLOC
))
287 /* The .rel.bss section holds copy relocs. This section is not
288 normally needed. We need to create it here, though, so that the
289 linker will map it to an output section. We can't just create it
290 only if we need it, because we will not know whether we need it
291 until we have seen all the input files, and the first time the
292 main linker code calls BFD after examining all the input files
293 (size_dynamic_sections) the input sections have already been
294 mapped to the output sections. If the section turns out not to
295 be needed, we can discard it later. We will never need this
296 section when generating a shared object, since they do not use
300 s
= bfd_make_section (abfd
, ".rel.bss");
302 || ! bfd_set_section_flags (abfd
, s
, flags
| SEC_READONLY
)
303 || ! bfd_set_section_alignment (abfd
, s
, 2))
310 /* Create the .got section to hold the global offset table, and the
311 .got.plt section to hold procedure linkage table GOT entries. The
312 linker script will put .got.plt into the output .got section. */
315 elf_i386_create_got_section (abfd
, info
)
317 struct bfd_link_info
*info
;
320 register asection
*s
;
321 struct elf_link_hash_entry
*h
;
323 /* This function may be called more than once. */
324 if (bfd_get_section_by_name (abfd
, ".got") != NULL
)
327 flags
= SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY
;
329 s
= bfd_make_section (abfd
, ".got");
331 || ! bfd_set_section_flags (abfd
, s
, flags
)
332 || ! bfd_set_section_alignment (abfd
, s
, 2))
335 s
= bfd_make_section (abfd
, ".got.plt");
337 || ! bfd_set_section_flags (abfd
, s
, flags
)
338 || ! bfd_set_section_alignment (abfd
, s
, 2))
341 /* Define the symbol _GLOBAL_OFFSET_TABLE_ at the start of the
342 .got.plt section, which will be placed at the start of the output
343 .got section. We don't do this in the linker script because we
344 don't want to define the symbol if we are not creating a global
347 if (! (_bfd_generic_link_add_one_symbol
348 (info
, abfd
, "_GLOBAL_OFFSET_TABLE_", BSF_GLOBAL
, s
, (bfd_vma
) 0,
349 (const char *) NULL
, false, get_elf_backend_data (abfd
)->collect
,
350 (struct bfd_link_hash_entry
**) &h
)))
352 h
->elf_link_hash_flags
|= ELF_LINK_HASH_DEF_REGULAR
;
353 h
->type
= STT_OBJECT
;
356 && ! bfd_elf32_link_record_dynamic_symbol (info
, h
))
359 /* The first three global offset table entries are reserved. */
360 s
->_raw_size
+= 3 * 4;
365 /* Look through the relocs for a section during the first phase, and
366 allocate space in the global offset table or procedure linkage
370 elf_i386_check_relocs (abfd
, info
, sec
, relocs
)
372 struct bfd_link_info
*info
;
374 const Elf_Internal_Rela
*relocs
;
377 Elf_Internal_Shdr
*symtab_hdr
;
378 struct elf_link_hash_entry
**sym_hashes
;
379 bfd_vma
*local_got_offsets
;
380 const Elf_Internal_Rela
*rel
;
381 const Elf_Internal_Rela
*rel_end
;
386 if (info
->relocateable
)
389 dynobj
= elf_hash_table (info
)->dynobj
;
390 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
391 sym_hashes
= elf_sym_hashes (abfd
);
392 local_got_offsets
= elf_local_got_offsets (abfd
);
398 rel_end
= relocs
+ sec
->reloc_count
;
399 for (rel
= relocs
; rel
< rel_end
; rel
++)
402 struct elf_link_hash_entry
*h
;
404 r_symndx
= ELF32_R_SYM (rel
->r_info
);
406 if (r_symndx
< symtab_hdr
->sh_info
)
409 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
411 /* Some relocs require a global offset table. */
414 switch (ELF32_R_TYPE (rel
->r_info
))
419 elf_hash_table (info
)->dynobj
= dynobj
= abfd
;
420 if (! elf_i386_create_got_section (dynobj
, info
))
429 switch (ELF32_R_TYPE (rel
->r_info
))
432 /* This symbol requires a global offset table entry. */
436 sgot
= bfd_get_section_by_name (dynobj
, ".got");
437 BFD_ASSERT (sgot
!= NULL
);
441 && (h
!= NULL
|| info
->shared
))
443 srelgot
= bfd_get_section_by_name (dynobj
, ".rel.got");
446 srelgot
= bfd_make_section (dynobj
, ".rel.got");
448 || ! bfd_set_section_flags (dynobj
, srelgot
,
454 || ! bfd_set_section_alignment (dynobj
, srelgot
, 2))
461 if (h
->got_offset
!= (bfd_vma
) -1)
463 /* We have already allocated space in the .got. */
466 h
->got_offset
= sgot
->_raw_size
;
468 /* Make sure this symbol is output as a dynamic symbol. */
469 if (h
->dynindx
== -1)
471 if (! bfd_elf32_link_record_dynamic_symbol (info
, h
))
475 srelgot
->_raw_size
+= sizeof (Elf32_External_Rel
);
479 /* This is a global offset table entry for a local
481 if (local_got_offsets
== NULL
)
486 size
= symtab_hdr
->sh_info
* sizeof (bfd_vma
);
487 local_got_offsets
= (bfd_vma
*) bfd_alloc (abfd
, size
);
488 if (local_got_offsets
== NULL
)
490 bfd_set_error (bfd_error_no_memory
);
493 elf_local_got_offsets (abfd
) = local_got_offsets
;
494 for (i
= 0; i
< symtab_hdr
->sh_info
; i
++)
495 local_got_offsets
[i
] = (bfd_vma
) -1;
497 if (local_got_offsets
[r_symndx
] != (bfd_vma
) -1)
499 /* We have already allocated space in the .got. */
502 local_got_offsets
[r_symndx
] = sgot
->_raw_size
;
506 /* If we are generating a shared object, we need to
507 output a R_386_RELATIVE reloc so that the dynamic
508 linker can adjust this GOT entry. */
509 srelgot
->_raw_size
+= sizeof (Elf32_External_Rel
);
513 sgot
->_raw_size
+= 4;
518 /* This symbol requires a procedure linkage table entry. We
519 actually build the entry in adjust_dynamic_symbol,
520 because this might be a case of linking PIC code without
521 linking in any dynamic objects, in which case we don't
522 need to generate a procedure linkage table after all. */
524 /* If this is a local symbol, we resolve it directly without
525 creating a procedure linkage table entry. */
529 /* Make sure this symbol is output as a dynamic symbol. */
530 if (h
->dynindx
== -1)
532 if (! bfd_elf32_link_record_dynamic_symbol (info
, h
))
536 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_PLT
;
543 && (sec
->flags
& SEC_ALLOC
) != 0)
545 /* When creating a shared object, we must output a
546 R_386_RELATIVE reloc for this location. We create a
547 reloc section in dynobj and make room for this reloc. */
552 name
= (elf_string_from_elf_section
554 elf_elfheader (abfd
)->e_shstrndx
,
555 elf_section_data (sec
)->rel_hdr
.sh_name
));
559 BFD_ASSERT (strncmp (name
, ".rel", 4) == 0
560 && strcmp (bfd_get_section_name (abfd
, sec
),
563 sreloc
= bfd_get_section_by_name (dynobj
, name
);
566 sreloc
= bfd_make_section (dynobj
, name
);
568 || ! bfd_set_section_flags (dynobj
, sreloc
,
574 || ! bfd_set_section_alignment (dynobj
, sreloc
, 2))
579 sreloc
->_raw_size
+= sizeof (Elf32_External_Rel
);
592 /* Adjust a symbol defined by a dynamic object and referenced by a
593 regular object. The current definition is in some section of the
594 dynamic object, but we're not including those sections. We have to
595 change the definition to something the rest of the link can
599 elf_i386_adjust_dynamic_symbol (info
, h
)
600 struct bfd_link_info
*info
;
601 struct elf_link_hash_entry
*h
;
605 unsigned int power_of_two
;
607 dynobj
= elf_hash_table (info
)->dynobj
;
609 /* Make sure we know what is going on here. */
610 BFD_ASSERT (dynobj
!= NULL
611 && h
->root
.type
== bfd_link_hash_defined
612 && (bfd_get_flavour (h
->root
.u
.def
.section
->owner
)
613 == bfd_target_elf_flavour
)
614 && ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
)
615 || ((h
->elf_link_hash_flags
616 & ELF_LINK_HASH_DEF_DYNAMIC
) != 0
617 && (h
->elf_link_hash_flags
618 & ELF_LINK_HASH_REF_REGULAR
) != 0
619 && (h
->elf_link_hash_flags
620 & ELF_LINK_HASH_DEF_REGULAR
) == 0
621 && (elf_elfheader (h
->root
.u
.def
.section
->owner
)->e_type
623 && h
->root
.u
.def
.section
->output_section
== NULL
)));
625 /* If this is a function, put it in the procedure linkage table. We
626 will fill in the contents of the procedure linkage table later,
627 when we know the address of the .got section. */
628 if (h
->type
== STT_FUNC
629 || (h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0)
631 if (! elf_hash_table (info
)->dynamic_sections_created
)
633 /* This case can occur if we saw a PLT32 reloc in an input
634 file, but none of the input files were dynamic objects.
635 In such a case, we don't actually need to build a
636 procedure linkage table, and we can just do a PC32 reloc
638 BFD_ASSERT ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0);
642 s
= bfd_get_section_by_name (dynobj
, ".plt");
643 BFD_ASSERT (s
!= NULL
);
645 /* If this is the first .plt entry, make room for the special
647 if (s
->_raw_size
== 0)
648 s
->_raw_size
+= PLT_ENTRY_SIZE
;
650 /* Set the symbol to this location in the .plt. */
651 h
->root
.u
.def
.section
= s
;
652 h
->root
.u
.def
.value
= s
->_raw_size
;
654 h
->plt_offset
= s
->_raw_size
;
656 /* Make room for this entry. */
657 s
->_raw_size
+= PLT_ENTRY_SIZE
;
659 /* We also need to make an entry in the .got.plt section, which
660 will be placed in the .got section by the linker script. */
662 s
= bfd_get_section_by_name (dynobj
, ".got.plt");
663 BFD_ASSERT (s
!= NULL
);
666 /* We also need to make an entry in the .rel.plt section. */
668 s
= bfd_get_section_by_name (dynobj
, ".rel.plt");
669 BFD_ASSERT (s
!= NULL
);
670 s
->_raw_size
+= sizeof (Elf32_External_Rel
);
675 /* If this is a weak symbol, and there is a real definition, the
676 processor independent code will have arranged for us to see the
677 real definition first, and we can just use the same value. */
678 if (h
->weakdef
!= NULL
)
680 BFD_ASSERT (h
->weakdef
->root
.type
== bfd_link_hash_defined
);
681 h
->root
.u
.def
.section
= h
->weakdef
->root
.u
.def
.section
;
682 h
->root
.u
.def
.value
= h
->weakdef
->root
.u
.def
.value
;
686 /* This is a reference to a symbol defined by a dynamic object which
687 is not a function. */
689 /* If we are creating a shared library, we must presume that the
690 only references to the symbol are via the global offset table.
691 For such cases we need not do anything here; the relocations will
692 be handled correctly by relocate_section. */
696 /* We must allocate the symbol in our .dynbss section, which will
697 become part of the .bss section of the executable. There will be
698 an entry for this symbol in the .dynsym section. The dynamic
699 object will contain position independent code, so all references
700 from the dynamic object to this symbol will go through the global
701 offset table. The dynamic linker will use the .dynsym entry to
702 determine the address it must put in the global offset table, so
703 both the dynamic object and the regular object will refer to the
704 same memory location for the variable. */
706 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
707 BFD_ASSERT (s
!= NULL
);
709 /* If the symbol is currently defined in the .bss section of the
710 dynamic object, then it is OK to simply initialize it to zero.
711 If the symbol is in some other section, we must generate a
712 R_386_COPY reloc to tell the dynamic linker to copy the initial
713 value out of the dynamic object and into the runtime process
714 image. We need to remember the offset into the .rel.bss section
715 we are going to use. */
716 if ((h
->root
.u
.def
.section
->flags
& SEC_LOAD
) != 0)
720 srel
= bfd_get_section_by_name (dynobj
, ".rel.bss");
721 BFD_ASSERT (srel
!= NULL
);
722 srel
->_raw_size
+= sizeof (Elf32_External_Rel
);
723 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_COPY
;
726 /* We need to figure out the alignment required for this symbol. I
727 have no idea how ELF linkers handle this. */
728 power_of_two
= bfd_log2 (h
->size
);
729 if (power_of_two
> 3)
732 /* Apply the required alignment. */
733 s
->_raw_size
= BFD_ALIGN (s
->_raw_size
,
734 (bfd_size_type
) (1 << power_of_two
));
735 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
737 if (! bfd_set_section_alignment (dynobj
, s
, power_of_two
))
741 /* Define the symbol as being at this point in the section. */
742 h
->root
.u
.def
.section
= s
;
743 h
->root
.u
.def
.value
= s
->_raw_size
;
745 /* Increment the section size to make room for the symbol. */
746 s
->_raw_size
+= h
->size
;
751 /* Set the sizes of the dynamic sections. */
754 elf_i386_size_dynamic_sections (output_bfd
, info
)
756 struct bfd_link_info
*info
;
764 dynobj
= elf_hash_table (info
)->dynobj
;
765 BFD_ASSERT (dynobj
!= NULL
);
767 if (elf_hash_table (info
)->dynamic_sections_created
)
769 /* Set the contents of the .interp section to the interpreter. */
772 s
= bfd_get_section_by_name (dynobj
, ".interp");
773 BFD_ASSERT (s
!= NULL
);
774 s
->_raw_size
= sizeof ELF_DYNAMIC_INTERPRETER
;
775 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
780 /* We may have created entries in the .rel.got section.
781 However, if we are not creating the dynamic sections, we will
782 not actually use these entries. Reset the size of .rel.got,
783 which will cause it to get stripped from the output file
785 s
= bfd_get_section_by_name (dynobj
, ".rel.got");
790 /* The check_relocs and adjust_dynamic_symbol entry points have
791 determined the sizes of the various dynamic sections. Allocate
796 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
801 if ((s
->flags
& SEC_IN_MEMORY
) == 0)
804 /* It's OK to base decisions on the section name, because none
805 of the dynobj section names depend upon the input files. */
806 name
= bfd_get_section_name (dynobj
, s
);
810 if (strcmp (name
, ".plt") == 0)
812 if (s
->_raw_size
== 0)
814 /* Strip this section if we don't need it; see the
820 /* Remember whether there is a PLT. */
824 else if (strncmp (name
, ".rel", 4) == 0)
826 if (s
->_raw_size
== 0)
828 /* If we don't need this section, strip it from the
829 output file. This is mostly to handle .rel.bss and
830 .rel.plt. We must create both sections in
831 create_dynamic_sections, because they must be created
832 before the linker maps input sections to output
833 sections. The linker does that before
834 adjust_dynamic_symbol is called, and it is that
835 function which decides whether anything needs to go
836 into these sections. */
843 /* Remember whether there are any reloc sections other
845 if (strcmp (name
, ".rel.plt") != 0)
848 /* If this relocation section applies to a read only
849 section, then we probably need a DT_TEXTREL entry. */
850 target
= bfd_get_section_by_name (output_bfd
, name
+ 4);
852 && (target
->flags
& SEC_READONLY
) != 0)
855 /* We use the reloc_count field as a counter if we need
856 to copy relocs into the output file. */
860 else if (strncmp (name
, ".got", 4) != 0)
862 /* It's not one of our sections, so don't allocate space. */
870 for (spp
= &s
->output_section
->owner
->sections
;
871 *spp
!= s
->output_section
;
874 *spp
= s
->output_section
->next
;
875 --s
->output_section
->owner
->section_count
;
880 /* Allocate memory for the section contents. */
881 s
->contents
= (bfd_byte
*) bfd_alloc (dynobj
, s
->_raw_size
);
882 if (s
->contents
== NULL
&& s
->_raw_size
!= 0)
884 bfd_set_error (bfd_error_no_memory
);
889 if (elf_hash_table (info
)->dynamic_sections_created
)
891 /* Add some entries to the .dynamic section. We fill in the
892 values later, in elf_i386_finish_dynamic_sections, but we
893 must add the entries now so that we get the correct size for
894 the .dynamic section. The DT_DEBUG entry is filled in by the
895 dynamic linker and used by the debugger. */
898 if (! bfd_elf32_add_dynamic_entry (info
, DT_DEBUG
, 0))
904 if (! bfd_elf32_add_dynamic_entry (info
, DT_PLTGOT
, 0)
905 || ! bfd_elf32_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
906 || ! bfd_elf32_add_dynamic_entry (info
, DT_PLTREL
, DT_REL
)
907 || ! bfd_elf32_add_dynamic_entry (info
, DT_JMPREL
, 0))
913 if (! bfd_elf32_add_dynamic_entry (info
, DT_REL
, 0)
914 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELSZ
, 0)
915 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELENT
,
916 sizeof (Elf32_External_Rel
)))
922 if (! bfd_elf32_add_dynamic_entry (info
, DT_TEXTREL
, 0))
930 /* Relocate an i386 ELF section. */
933 elf_i386_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
934 contents
, relocs
, local_syms
, local_sections
)
936 struct bfd_link_info
*info
;
938 asection
*input_section
;
940 Elf_Internal_Rela
*relocs
;
941 Elf_Internal_Sym
*local_syms
;
942 asection
**local_sections
;
945 Elf_Internal_Shdr
*symtab_hdr
;
946 struct elf_link_hash_entry
**sym_hashes
;
947 bfd_vma
*local_got_offsets
;
951 Elf_Internal_Rela
*rel
;
952 Elf_Internal_Rela
*relend
;
954 dynobj
= elf_hash_table (info
)->dynobj
;
955 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
956 sym_hashes
= elf_sym_hashes (input_bfd
);
957 local_got_offsets
= elf_local_got_offsets (input_bfd
);
964 relend
= relocs
+ input_section
->reloc_count
;
965 for (; rel
< relend
; rel
++)
968 const reloc_howto_type
*howto
;
970 struct elf_link_hash_entry
*h
;
971 Elf_Internal_Sym
*sym
;
974 bfd_reloc_status_type r
;
976 r_type
= ELF32_R_TYPE (rel
->r_info
);
977 if (r_type
< 0 || r_type
>= (int) R_386_max
)
979 bfd_set_error (bfd_error_bad_value
);
982 howto
= elf_howto_table
+ r_type
;
984 r_symndx
= ELF32_R_SYM (rel
->r_info
);
986 if (info
->relocateable
)
988 /* This is a relocateable link. We don't have to change
989 anything, unless the reloc is against a section symbol,
990 in which case we have to adjust according to where the
991 section symbol winds up in the output section. */
992 if (r_symndx
< symtab_hdr
->sh_info
)
994 sym
= local_syms
+ r_symndx
;
995 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
999 sec
= local_sections
[r_symndx
];
1000 val
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
1001 val
+= sec
->output_offset
+ sym
->st_value
;
1002 bfd_put_32 (input_bfd
, val
, contents
+ rel
->r_offset
);
1009 /* This is a final link. */
1013 if (r_symndx
< symtab_hdr
->sh_info
)
1015 sym
= local_syms
+ r_symndx
;
1016 sec
= local_sections
[r_symndx
];
1017 relocation
= (sec
->output_section
->vma
1018 + sec
->output_offset
1023 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1024 if (h
->root
.type
== bfd_link_hash_defined
)
1026 sec
= h
->root
.u
.def
.section
;
1027 relocation
= (h
->root
.u
.def
.value
1028 + sec
->output_section
->vma
1029 + sec
->output_offset
);
1031 else if (h
->root
.type
== bfd_link_hash_weak
)
1033 else if (info
->shared
)
1037 if (! ((*info
->callbacks
->undefined_symbol
)
1038 (info
, h
->root
.root
.string
, input_bfd
,
1039 input_section
, rel
->r_offset
)))
1048 /* Relocation is to the entry for this symbol in the global
1052 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1053 BFD_ASSERT (sgot
!= NULL
);
1060 off
= h
->got_offset
;
1061 BFD_ASSERT (off
!= (bfd_vma
) -1);
1063 if (! elf_hash_table (info
)->dynamic_sections_created
)
1065 /* This is actually a static link. We must
1066 initialize this entry in the global offset table.
1067 Since the offset must always be a multiple of 4,
1068 we use the least significant bit to record
1069 whether we have initialized it already.
1071 When doing a dynamic link, we create a .rel.got
1072 relocation entry to initialize the value. This
1073 is done in the finish_dynamic_symbol routine. */
1078 bfd_put_32 (output_bfd
, relocation
,
1079 sgot
->contents
+ off
);
1084 relocation
= sgot
->output_offset
+ off
;
1090 BFD_ASSERT (local_got_offsets
!= NULL
1091 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1093 off
= local_got_offsets
[r_symndx
];
1095 /* The offset must always be a multiple of 4. We use
1096 the least significant bit to record whether we have
1097 already generated the necessary reloc. */
1102 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
1107 Elf_Internal_Rel outrel
;
1109 srelgot
= bfd_get_section_by_name (dynobj
, ".rel.got");
1110 BFD_ASSERT (srelgot
!= NULL
);
1112 outrel
.r_offset
= (sgot
->output_section
->vma
1113 + sgot
->output_offset
1115 outrel
.r_info
= ELF32_R_INFO (0, R_386_RELATIVE
);
1116 bfd_elf32_swap_reloc_out (output_bfd
, &outrel
,
1117 (((Elf32_External_Rel
*)
1119 + srelgot
->reloc_count
));
1120 ++srelgot
->reloc_count
;
1123 local_got_offsets
[r_symndx
] |= 1;
1126 relocation
= sgot
->output_offset
+ off
;
1132 /* Relocation is relative to the start of the global offset
1137 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1138 BFD_ASSERT (sgot
!= NULL
);
1141 /* Note that sgot->output_offset is not involved in this
1142 calculation. We always want the start of .got. If we
1143 defined _GLOBAL_OFFSET_TABLE in a different way, as is
1144 permitted by the ABI, we might have to change this
1146 relocation
-= sgot
->output_section
->vma
;
1151 /* Use global offset table as symbol value. */
1155 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1156 BFD_ASSERT (sgot
!= NULL
);
1159 relocation
= sgot
->output_section
->vma
;
1164 /* Relocation is to the entry for this symbol in the
1165 procedure linkage table. */
1167 /* Resolve a PLT32 reloc again a local symbol directly,
1168 without using the procedure linkage table. */
1172 if (h
->plt_offset
== (bfd_vma
) -1)
1174 /* We didn't make a PLT entry for this symbol. This
1175 happens when statically linking PIC code. */
1181 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1182 BFD_ASSERT (splt
!= NULL
);
1185 relocation
= (splt
->output_section
->vma
1186 + splt
->output_offset
1194 && (input_section
->flags
& SEC_ALLOC
) != 0)
1196 Elf_Internal_Rel outrel
;
1198 /* When generating a shared object, these relocations
1199 are copied into the output file to be resolved at run
1206 name
= (elf_string_from_elf_section
1208 elf_elfheader (input_bfd
)->e_shstrndx
,
1209 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1213 BFD_ASSERT (strncmp (name
, ".rel", 4) == 0
1214 && strcmp (bfd_get_section_name (input_bfd
,
1218 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1219 BFD_ASSERT (sreloc
!= NULL
);
1222 outrel
.r_offset
= (rel
->r_offset
1223 + input_section
->output_section
->vma
1224 + input_section
->output_offset
);
1225 if (r_type
== R_386_PC32
)
1227 BFD_ASSERT (h
!= NULL
&& h
->dynindx
!= -1);
1228 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_PC32
);
1233 outrel
.r_info
= ELF32_R_INFO (0, R_386_RELATIVE
);
1236 BFD_ASSERT (h
->dynindx
!= (bfd_vma
) -1);
1237 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_32
);
1241 bfd_elf32_swap_reloc_out (output_bfd
, &outrel
,
1242 (((Elf32_External_Rel
*)
1244 + sreloc
->reloc_count
));
1245 ++sreloc
->reloc_count
;
1247 /* If this reloc is against an external symbol, we do
1248 not want to fiddle with the addend. Otherwise, we
1249 need to include the symbol value so that it becomes
1250 an addend for the dynamic reloc. */
1261 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
1262 contents
, rel
->r_offset
,
1263 relocation
, (bfd_vma
) 0);
1265 if (r
!= bfd_reloc_ok
)
1270 case bfd_reloc_outofrange
:
1272 case bfd_reloc_overflow
:
1277 name
= h
->root
.root
.string
;
1280 name
= elf_string_from_elf_section (input_bfd
,
1281 symtab_hdr
->sh_link
,
1286 name
= bfd_section_name (input_bfd
, sec
);
1288 if (! ((*info
->callbacks
->reloc_overflow
)
1289 (info
, name
, howto
->name
, (bfd_vma
) 0,
1290 input_bfd
, input_section
, rel
->r_offset
)))
1301 /* Finish up dynamic symbol handling. We set the contents of various
1302 dynamic sections here. */
1305 elf_i386_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
1307 struct bfd_link_info
*info
;
1308 struct elf_link_hash_entry
*h
;
1309 Elf_Internal_Sym
*sym
;
1313 dynobj
= elf_hash_table (info
)->dynobj
;
1315 if (h
->plt_offset
!= (bfd_vma
) -1)
1322 Elf_Internal_Rel rel
;
1324 /* This symbol has an entry in the procedure linkage table. Set
1327 BFD_ASSERT (h
->dynindx
!= -1);
1329 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1330 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1331 srel
= bfd_get_section_by_name (dynobj
, ".rel.plt");
1332 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srel
!= NULL
);
1334 /* Get the index in the procedure linkage table which
1335 corresponds to this symbol. This is the index of this symbol
1336 in all the symbols for which we are making plt entries. The
1337 first entry in the procedure linkage table is reserved. */
1338 plt_index
= h
->plt_offset
/ PLT_ENTRY_SIZE
- 1;
1340 /* Get the offset into the .got table of the entry that
1341 corresponds to this function. Each .got entry is 4 bytes.
1342 The first three are reserved. */
1343 got_offset
= (plt_index
+ 3) * 4;
1345 /* Fill in the entry in the procedure linkage table. */
1348 memcpy (splt
->contents
+ h
->plt_offset
, elf_i386_plt_entry
,
1350 bfd_put_32 (output_bfd
,
1351 (sgot
->output_section
->vma
1352 + sgot
->output_offset
1354 splt
->contents
+ h
->plt_offset
+ 2);
1358 memcpy (splt
->contents
+ h
->plt_offset
, elf_i386_pic_plt_entry
,
1360 bfd_put_32 (output_bfd
, got_offset
,
1361 splt
->contents
+ h
->plt_offset
+ 2);
1364 bfd_put_32 (output_bfd
, plt_index
* sizeof (Elf32_External_Rel
),
1365 splt
->contents
+ h
->plt_offset
+ 7);
1366 bfd_put_32 (output_bfd
, - (h
->plt_offset
+ PLT_ENTRY_SIZE
),
1367 splt
->contents
+ h
->plt_offset
+ 12);
1369 /* Fill in the entry in the global offset table. */
1370 bfd_put_32 (output_bfd
,
1371 (splt
->output_section
->vma
1372 + splt
->output_offset
1375 sgot
->contents
+ got_offset
);
1377 /* Fill in the entry in the .rel.plt section. */
1378 rel
.r_offset
= (sgot
->output_section
->vma
1379 + sgot
->output_offset
1381 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_JUMP_SLOT
);
1382 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1383 ((Elf32_External_Rel
*) srel
->contents
1386 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1388 /* Mark the symbol as undefined, rather than as defined in
1389 the .plt section. Leave the value alone. */
1390 sym
->st_shndx
= SHN_UNDEF
;
1394 if (h
->got_offset
!= (bfd_vma
) -1)
1398 Elf_Internal_Rel rel
;
1400 /* This symbol has an entry in the global offset table. Set it
1403 BFD_ASSERT (h
->dynindx
!= -1);
1405 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1406 srel
= bfd_get_section_by_name (dynobj
, ".rel.got");
1407 BFD_ASSERT (sgot
!= NULL
&& srel
!= NULL
);
1409 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ h
->got_offset
);
1411 rel
.r_offset
= (sgot
->output_section
->vma
1412 + sgot
->output_offset
1414 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_GLOB_DAT
);
1415 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1416 ((Elf32_External_Rel
*) srel
->contents
1417 + srel
->reloc_count
));
1418 ++srel
->reloc_count
;
1421 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_COPY
) != 0)
1424 Elf_Internal_Rel rel
;
1426 /* This symbol needs a copy reloc. Set it up. */
1428 BFD_ASSERT (h
->dynindx
!= -1
1429 && h
->root
.type
== bfd_link_hash_defined
);
1431 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
1433 BFD_ASSERT (s
!= NULL
);
1435 rel
.r_offset
= (h
->root
.u
.def
.value
1436 + h
->root
.u
.def
.section
->output_section
->vma
1437 + h
->root
.u
.def
.section
->output_offset
);
1438 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_COPY
);
1439 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1440 ((Elf32_External_Rel
*) s
->contents
1445 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1446 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
1447 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1448 sym
->st_shndx
= SHN_ABS
;
1453 /* Finish up the dynamic sections. */
1456 elf_i386_finish_dynamic_sections (output_bfd
, info
)
1458 struct bfd_link_info
*info
;
1464 dynobj
= elf_hash_table (info
)->dynobj
;
1466 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1467 BFD_ASSERT (sgot
!= NULL
);
1468 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
1470 if (elf_hash_table (info
)->dynamic_sections_created
)
1473 Elf32_External_Dyn
*dyncon
, *dynconend
;
1475 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1476 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
1478 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
1479 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->_raw_size
);
1480 for (; dyncon
< dynconend
; dyncon
++)
1482 Elf_Internal_Dyn dyn
;
1486 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
1499 s
= bfd_get_section_by_name (output_bfd
, name
);
1500 BFD_ASSERT (s
!= NULL
);
1501 dyn
.d_un
.d_ptr
= s
->vma
;
1502 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1506 s
= bfd_get_section_by_name (output_bfd
, ".rel.plt");
1507 BFD_ASSERT (s
!= NULL
);
1508 if (s
->_cooked_size
!= 0)
1509 dyn
.d_un
.d_val
= s
->_cooked_size
;
1511 dyn
.d_un
.d_val
= s
->_raw_size
;
1512 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1516 /* My reading of the SVR4 ABI indicates that the
1517 procedure linkage table relocs (DT_JMPREL) should be
1518 included in the overall relocs (DT_REL). This is
1519 what Solaris does. However, UnixWare can not handle
1520 that case. Therefore, we override the DT_RELSZ entry
1521 here to make it not include the JMPREL relocs. Since
1522 the linker script arranges for .rel.plt to follow all
1523 other relocation sections, we don't have to worry
1524 about changing the DT_REL entry. */
1525 s
= bfd_get_section_by_name (output_bfd
, ".rel.plt");
1528 if (s
->_cooked_size
!= 0)
1529 dyn
.d_un
.d_val
-= s
->_cooked_size
;
1531 dyn
.d_un
.d_val
-= s
->_raw_size
;
1533 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1538 /* Fill in the first entry in the procedure linkage table. */
1539 if (splt
->_raw_size
> 0)
1542 memcpy (splt
->contents
, elf_i386_pic_plt0_entry
, PLT_ENTRY_SIZE
);
1545 memcpy (splt
->contents
, elf_i386_plt0_entry
, PLT_ENTRY_SIZE
);
1546 bfd_put_32 (output_bfd
,
1547 sgot
->output_section
->vma
+ sgot
->output_offset
+ 4,
1548 splt
->contents
+ 2);
1549 bfd_put_32 (output_bfd
,
1550 sgot
->output_section
->vma
+ sgot
->output_offset
+ 8,
1551 splt
->contents
+ 8);
1555 /* UnixWare sets the entsize of .plt to 4, although that doesn't
1556 really seem like the right value. */
1557 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
= 4;
1560 /* Fill in the first three entries in the global offset table. */
1561 if (sgot
->_raw_size
> 0)
1564 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
1566 bfd_put_32 (output_bfd
,
1567 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
1569 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 4);
1570 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
1573 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
1578 #define TARGET_LITTLE_SYM bfd_elf32_i386_vec
1579 #define TARGET_LITTLE_NAME "elf32-i386"
1580 #define ELF_ARCH bfd_arch_i386
1581 #define ELF_MACHINE_CODE EM_386
1582 #define elf_info_to_howto elf_i386_info_to_howto
1583 #define elf_info_to_howto_rel elf_i386_info_to_howto_rel
1584 #define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
1585 #define ELF_MAXPAGESIZE 0x1000
1586 #define elf_backend_create_dynamic_sections \
1587 elf_i386_create_dynamic_sections
1588 #define elf_backend_check_relocs elf_i386_check_relocs
1589 #define elf_backend_adjust_dynamic_symbol \
1590 elf_i386_adjust_dynamic_symbol
1591 #define elf_backend_size_dynamic_sections \
1592 elf_i386_size_dynamic_sections
1593 #define elf_backend_relocate_section elf_i386_relocate_section
1594 #define elf_backend_finish_dynamic_symbol \
1595 elf_i386_finish_dynamic_symbol
1596 #define elf_backend_finish_dynamic_sections \
1597 elf_i386_finish_dynamic_sections
1599 #include "elf32-target.h"