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 copy these
546 reloc types into the output file. We create a reloc
547 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
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
)
612 || ((h
->elf_link_hash_flags
613 & ELF_LINK_HASH_DEF_DYNAMIC
) != 0
614 && (h
->elf_link_hash_flags
615 & ELF_LINK_HASH_REF_REGULAR
) != 0
616 && (h
->elf_link_hash_flags
617 & ELF_LINK_HASH_DEF_REGULAR
) == 0
618 && (elf_elfheader (h
->root
.u
.def
.section
->owner
)->e_type
620 && h
->root
.type
== bfd_link_hash_defined
621 && (bfd_get_flavour (h
->root
.u
.def
.section
->owner
)
622 == bfd_target_elf_flavour
)
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 /* If we are not generating a shared library, or if the symbol
651 is not defined, set the symbol to this location in the .plt.
652 This is required to make function pointers compare as equal
653 between the normal executable and the shared library. */
654 if (! info
->shared
|| h
->root
.type
!= bfd_link_hash_defined
)
656 h
->root
.u
.def
.section
= s
;
657 h
->root
.u
.def
.value
= s
->_raw_size
;
660 h
->plt_offset
= s
->_raw_size
;
662 /* Make room for this entry. */
663 s
->_raw_size
+= PLT_ENTRY_SIZE
;
665 /* We also need to make an entry in the .got.plt section, which
666 will be placed in the .got section by the linker script. */
668 s
= bfd_get_section_by_name (dynobj
, ".got.plt");
669 BFD_ASSERT (s
!= NULL
);
672 /* We also need to make an entry in the .rel.plt section. */
674 s
= bfd_get_section_by_name (dynobj
, ".rel.plt");
675 BFD_ASSERT (s
!= NULL
);
676 s
->_raw_size
+= sizeof (Elf32_External_Rel
);
681 /* If this is a weak symbol, and there is a real definition, the
682 processor independent code will have arranged for us to see the
683 real definition first, and we can just use the same value. */
684 if (h
->weakdef
!= NULL
)
686 BFD_ASSERT (h
->weakdef
->root
.type
== bfd_link_hash_defined
);
687 h
->root
.u
.def
.section
= h
->weakdef
->root
.u
.def
.section
;
688 h
->root
.u
.def
.value
= h
->weakdef
->root
.u
.def
.value
;
692 /* This is a reference to a symbol defined by a dynamic object which
693 is not a function. */
695 /* If we are creating a shared library, we must presume that the
696 only references to the symbol are via the global offset table.
697 For such cases we need not do anything here; the relocations will
698 be handled correctly by relocate_section. */
702 /* We must allocate the symbol in our .dynbss section, which will
703 become part of the .bss section of the executable. There will be
704 an entry for this symbol in the .dynsym section. The dynamic
705 object will contain position independent code, so all references
706 from the dynamic object to this symbol will go through the global
707 offset table. The dynamic linker will use the .dynsym entry to
708 determine the address it must put in the global offset table, so
709 both the dynamic object and the regular object will refer to the
710 same memory location for the variable. */
712 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
713 BFD_ASSERT (s
!= NULL
);
715 /* If the symbol is currently defined in the .bss section of the
716 dynamic object, then it is OK to simply initialize it to zero.
717 If the symbol is in some other section, we must generate a
718 R_386_COPY reloc to tell the dynamic linker to copy the initial
719 value out of the dynamic object and into the runtime process
720 image. We need to remember the offset into the .rel.bss section
721 we are going to use. */
722 if ((h
->root
.u
.def
.section
->flags
& SEC_LOAD
) != 0)
726 srel
= bfd_get_section_by_name (dynobj
, ".rel.bss");
727 BFD_ASSERT (srel
!= NULL
);
728 srel
->_raw_size
+= sizeof (Elf32_External_Rel
);
729 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_COPY
;
732 /* We need to figure out the alignment required for this symbol. I
733 have no idea how ELF linkers handle this. */
734 power_of_two
= bfd_log2 (h
->size
);
735 if (power_of_two
> 3)
738 /* Apply the required alignment. */
739 s
->_raw_size
= BFD_ALIGN (s
->_raw_size
,
740 (bfd_size_type
) (1 << power_of_two
));
741 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
743 if (! bfd_set_section_alignment (dynobj
, s
, power_of_two
))
747 /* Define the symbol as being at this point in the section. */
748 h
->root
.u
.def
.section
= s
;
749 h
->root
.u
.def
.value
= s
->_raw_size
;
751 /* Increment the section size to make room for the symbol. */
752 s
->_raw_size
+= h
->size
;
757 /* Set the sizes of the dynamic sections. */
760 elf_i386_size_dynamic_sections (output_bfd
, info
)
762 struct bfd_link_info
*info
;
770 dynobj
= elf_hash_table (info
)->dynobj
;
771 BFD_ASSERT (dynobj
!= NULL
);
773 if (elf_hash_table (info
)->dynamic_sections_created
)
775 /* Set the contents of the .interp section to the interpreter. */
778 s
= bfd_get_section_by_name (dynobj
, ".interp");
779 BFD_ASSERT (s
!= NULL
);
780 s
->_raw_size
= sizeof ELF_DYNAMIC_INTERPRETER
;
781 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
786 /* We may have created entries in the .rel.got section.
787 However, if we are not creating the dynamic sections, we will
788 not actually use these entries. Reset the size of .rel.got,
789 which will cause it to get stripped from the output file
791 s
= bfd_get_section_by_name (dynobj
, ".rel.got");
796 /* The check_relocs and adjust_dynamic_symbol entry points have
797 determined the sizes of the various dynamic sections. Allocate
802 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
807 if ((s
->flags
& SEC_IN_MEMORY
) == 0)
810 /* It's OK to base decisions on the section name, because none
811 of the dynobj section names depend upon the input files. */
812 name
= bfd_get_section_name (dynobj
, s
);
816 if (strcmp (name
, ".plt") == 0)
818 if (s
->_raw_size
== 0)
820 /* Strip this section if we don't need it; see the
826 /* Remember whether there is a PLT. */
830 else if (strncmp (name
, ".rel", 4) == 0)
832 if (s
->_raw_size
== 0)
834 /* If we don't need this section, strip it from the
835 output file. This is mostly to handle .rel.bss and
836 .rel.plt. We must create both sections in
837 create_dynamic_sections, because they must be created
838 before the linker maps input sections to output
839 sections. The linker does that before
840 adjust_dynamic_symbol is called, and it is that
841 function which decides whether anything needs to go
842 into these sections. */
849 /* Remember whether there are any reloc sections other
851 if (strcmp (name
, ".rel.plt") != 0)
854 /* If this relocation section applies to a read only
855 section, then we probably need a DT_TEXTREL entry. */
856 target
= bfd_get_section_by_name (output_bfd
, name
+ 4);
858 && (target
->flags
& SEC_READONLY
) != 0)
861 /* We use the reloc_count field as a counter if we need
862 to copy relocs into the output file. */
866 else if (strncmp (name
, ".got", 4) != 0)
868 /* It's not one of our sections, so don't allocate space. */
876 for (spp
= &s
->output_section
->owner
->sections
;
877 *spp
!= s
->output_section
;
880 *spp
= s
->output_section
->next
;
881 --s
->output_section
->owner
->section_count
;
886 /* Allocate memory for the section contents. */
887 s
->contents
= (bfd_byte
*) bfd_alloc (dynobj
, s
->_raw_size
);
888 if (s
->contents
== NULL
&& s
->_raw_size
!= 0)
890 bfd_set_error (bfd_error_no_memory
);
895 if (elf_hash_table (info
)->dynamic_sections_created
)
897 /* Add some entries to the .dynamic section. We fill in the
898 values later, in elf_i386_finish_dynamic_sections, but we
899 must add the entries now so that we get the correct size for
900 the .dynamic section. The DT_DEBUG entry is filled in by the
901 dynamic linker and used by the debugger. */
904 if (! bfd_elf32_add_dynamic_entry (info
, DT_DEBUG
, 0))
910 if (! bfd_elf32_add_dynamic_entry (info
, DT_PLTGOT
, 0)
911 || ! bfd_elf32_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
912 || ! bfd_elf32_add_dynamic_entry (info
, DT_PLTREL
, DT_REL
)
913 || ! bfd_elf32_add_dynamic_entry (info
, DT_JMPREL
, 0))
919 if (! bfd_elf32_add_dynamic_entry (info
, DT_REL
, 0)
920 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELSZ
, 0)
921 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELENT
,
922 sizeof (Elf32_External_Rel
)))
928 if (! bfd_elf32_add_dynamic_entry (info
, DT_TEXTREL
, 0))
936 /* Relocate an i386 ELF section. */
939 elf_i386_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
940 contents
, relocs
, local_syms
, local_sections
)
942 struct bfd_link_info
*info
;
944 asection
*input_section
;
946 Elf_Internal_Rela
*relocs
;
947 Elf_Internal_Sym
*local_syms
;
948 asection
**local_sections
;
951 Elf_Internal_Shdr
*symtab_hdr
;
952 struct elf_link_hash_entry
**sym_hashes
;
953 bfd_vma
*local_got_offsets
;
957 Elf_Internal_Rela
*rel
;
958 Elf_Internal_Rela
*relend
;
960 dynobj
= elf_hash_table (info
)->dynobj
;
961 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
962 sym_hashes
= elf_sym_hashes (input_bfd
);
963 local_got_offsets
= elf_local_got_offsets (input_bfd
);
970 relend
= relocs
+ input_section
->reloc_count
;
971 for (; rel
< relend
; rel
++)
974 const reloc_howto_type
*howto
;
976 struct elf_link_hash_entry
*h
;
977 Elf_Internal_Sym
*sym
;
980 bfd_reloc_status_type r
;
982 r_type
= ELF32_R_TYPE (rel
->r_info
);
983 if (r_type
< 0 || r_type
>= (int) R_386_max
)
985 bfd_set_error (bfd_error_bad_value
);
988 howto
= elf_howto_table
+ r_type
;
990 r_symndx
= ELF32_R_SYM (rel
->r_info
);
992 if (info
->relocateable
)
994 /* This is a relocateable link. We don't have to change
995 anything, unless the reloc is against a section symbol,
996 in which case we have to adjust according to where the
997 section symbol winds up in the output section. */
998 if (r_symndx
< symtab_hdr
->sh_info
)
1000 sym
= local_syms
+ r_symndx
;
1001 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
1005 sec
= local_sections
[r_symndx
];
1006 val
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
1007 val
+= sec
->output_offset
+ sym
->st_value
;
1008 bfd_put_32 (input_bfd
, val
, contents
+ rel
->r_offset
);
1015 /* This is a final link. */
1019 if (r_symndx
< symtab_hdr
->sh_info
)
1021 sym
= local_syms
+ r_symndx
;
1022 sec
= local_sections
[r_symndx
];
1023 relocation
= (sec
->output_section
->vma
1024 + sec
->output_offset
1029 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1030 if (h
->root
.type
== bfd_link_hash_defined
)
1032 sec
= h
->root
.u
.def
.section
;
1033 relocation
= (h
->root
.u
.def
.value
1034 + sec
->output_section
->vma
1035 + sec
->output_offset
);
1037 else if (h
->root
.type
== bfd_link_hash_weak
)
1039 else if (info
->shared
)
1043 if (! ((*info
->callbacks
->undefined_symbol
)
1044 (info
, h
->root
.root
.string
, input_bfd
,
1045 input_section
, rel
->r_offset
)))
1054 /* Relocation is to the entry for this symbol in the global
1058 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1059 BFD_ASSERT (sgot
!= NULL
);
1066 off
= h
->got_offset
;
1067 BFD_ASSERT (off
!= (bfd_vma
) -1);
1069 if (! elf_hash_table (info
)->dynamic_sections_created
)
1071 /* This is actually a static link. We must
1072 initialize this entry in the global offset table.
1073 Since the offset must always be a multiple of 4,
1074 we use the least significant bit to record
1075 whether we have initialized it already.
1077 When doing a dynamic link, we create a .rel.got
1078 relocation entry to initialize the value. This
1079 is done in the finish_dynamic_symbol routine. */
1084 bfd_put_32 (output_bfd
, relocation
,
1085 sgot
->contents
+ off
);
1090 relocation
= sgot
->output_offset
+ off
;
1096 BFD_ASSERT (local_got_offsets
!= NULL
1097 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1099 off
= local_got_offsets
[r_symndx
];
1101 /* The offset must always be a multiple of 4. We use
1102 the least significant bit to record whether we have
1103 already generated the necessary reloc. */
1108 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
1113 Elf_Internal_Rel outrel
;
1115 srelgot
= bfd_get_section_by_name (dynobj
, ".rel.got");
1116 BFD_ASSERT (srelgot
!= NULL
);
1118 outrel
.r_offset
= (sgot
->output_section
->vma
1119 + sgot
->output_offset
1121 outrel
.r_info
= ELF32_R_INFO (0, R_386_RELATIVE
);
1122 bfd_elf32_swap_reloc_out (output_bfd
, &outrel
,
1123 (((Elf32_External_Rel
*)
1125 + srelgot
->reloc_count
));
1126 ++srelgot
->reloc_count
;
1129 local_got_offsets
[r_symndx
] |= 1;
1132 relocation
= sgot
->output_offset
+ off
;
1138 /* Relocation is relative to the start of the global offset
1143 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1144 BFD_ASSERT (sgot
!= NULL
);
1147 /* Note that sgot->output_offset is not involved in this
1148 calculation. We always want the start of .got. If we
1149 defined _GLOBAL_OFFSET_TABLE in a different way, as is
1150 permitted by the ABI, we might have to change this
1152 relocation
-= sgot
->output_section
->vma
;
1157 /* Use global offset table as symbol value. */
1161 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1162 BFD_ASSERT (sgot
!= NULL
);
1165 relocation
= sgot
->output_section
->vma
;
1170 /* Relocation is to the entry for this symbol in the
1171 procedure linkage table. */
1173 /* Resolve a PLT32 reloc again a local symbol directly,
1174 without using the procedure linkage table. */
1178 if (h
->plt_offset
== (bfd_vma
) -1)
1180 /* We didn't make a PLT entry for this symbol. This
1181 happens when statically linking PIC code. */
1187 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1188 BFD_ASSERT (splt
!= NULL
);
1191 relocation
= (splt
->output_section
->vma
1192 + splt
->output_offset
1200 && (input_section
->flags
& SEC_ALLOC
) != 0)
1202 Elf_Internal_Rel outrel
;
1204 /* When generating a shared object, these relocations
1205 are copied into the output file to be resolved at run
1212 name
= (elf_string_from_elf_section
1214 elf_elfheader (input_bfd
)->e_shstrndx
,
1215 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1219 BFD_ASSERT (strncmp (name
, ".rel", 4) == 0
1220 && strcmp (bfd_get_section_name (input_bfd
,
1224 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1225 BFD_ASSERT (sreloc
!= NULL
);
1228 outrel
.r_offset
= (rel
->r_offset
1229 + input_section
->output_section
->vma
1230 + input_section
->output_offset
);
1231 if (r_type
== R_386_PC32
)
1233 BFD_ASSERT (h
!= NULL
&& h
->dynindx
!= -1);
1234 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_PC32
);
1239 outrel
.r_info
= ELF32_R_INFO (0, R_386_RELATIVE
);
1242 BFD_ASSERT (h
->dynindx
!= (bfd_vma
) -1);
1243 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_32
);
1247 bfd_elf32_swap_reloc_out (output_bfd
, &outrel
,
1248 (((Elf32_External_Rel
*)
1250 + sreloc
->reloc_count
));
1251 ++sreloc
->reloc_count
;
1253 /* If this reloc is against an external symbol, we do
1254 not want to fiddle with the addend. Otherwise, we
1255 need to include the symbol value so that it becomes
1256 an addend for the dynamic reloc. */
1267 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
1268 contents
, rel
->r_offset
,
1269 relocation
, (bfd_vma
) 0);
1271 if (r
!= bfd_reloc_ok
)
1276 case bfd_reloc_outofrange
:
1278 case bfd_reloc_overflow
:
1283 name
= h
->root
.root
.string
;
1286 name
= elf_string_from_elf_section (input_bfd
,
1287 symtab_hdr
->sh_link
,
1292 name
= bfd_section_name (input_bfd
, sec
);
1294 if (! ((*info
->callbacks
->reloc_overflow
)
1295 (info
, name
, howto
->name
, (bfd_vma
) 0,
1296 input_bfd
, input_section
, rel
->r_offset
)))
1307 /* Finish up dynamic symbol handling. We set the contents of various
1308 dynamic sections here. */
1311 elf_i386_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
1313 struct bfd_link_info
*info
;
1314 struct elf_link_hash_entry
*h
;
1315 Elf_Internal_Sym
*sym
;
1319 dynobj
= elf_hash_table (info
)->dynobj
;
1321 if (h
->plt_offset
!= (bfd_vma
) -1)
1328 Elf_Internal_Rel rel
;
1330 /* This symbol has an entry in the procedure linkage table. Set
1333 BFD_ASSERT (h
->dynindx
!= -1);
1335 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1336 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1337 srel
= bfd_get_section_by_name (dynobj
, ".rel.plt");
1338 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srel
!= NULL
);
1340 /* Get the index in the procedure linkage table which
1341 corresponds to this symbol. This is the index of this symbol
1342 in all the symbols for which we are making plt entries. The
1343 first entry in the procedure linkage table is reserved. */
1344 plt_index
= h
->plt_offset
/ PLT_ENTRY_SIZE
- 1;
1346 /* Get the offset into the .got table of the entry that
1347 corresponds to this function. Each .got entry is 4 bytes.
1348 The first three are reserved. */
1349 got_offset
= (plt_index
+ 3) * 4;
1351 /* Fill in the entry in the procedure linkage table. */
1354 memcpy (splt
->contents
+ h
->plt_offset
, elf_i386_plt_entry
,
1356 bfd_put_32 (output_bfd
,
1357 (sgot
->output_section
->vma
1358 + sgot
->output_offset
1360 splt
->contents
+ h
->plt_offset
+ 2);
1364 memcpy (splt
->contents
+ h
->plt_offset
, elf_i386_pic_plt_entry
,
1366 bfd_put_32 (output_bfd
, got_offset
,
1367 splt
->contents
+ h
->plt_offset
+ 2);
1370 bfd_put_32 (output_bfd
, plt_index
* sizeof (Elf32_External_Rel
),
1371 splt
->contents
+ h
->plt_offset
+ 7);
1372 bfd_put_32 (output_bfd
, - (h
->plt_offset
+ PLT_ENTRY_SIZE
),
1373 splt
->contents
+ h
->plt_offset
+ 12);
1375 /* Fill in the entry in the global offset table. */
1376 bfd_put_32 (output_bfd
,
1377 (splt
->output_section
->vma
1378 + splt
->output_offset
1381 sgot
->contents
+ got_offset
);
1383 /* Fill in the entry in the .rel.plt section. */
1384 rel
.r_offset
= (sgot
->output_section
->vma
1385 + sgot
->output_offset
1387 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_JUMP_SLOT
);
1388 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1389 ((Elf32_External_Rel
*) srel
->contents
1392 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1394 /* Mark the symbol as undefined, rather than as defined in
1395 the .plt section. Leave the value alone. */
1396 sym
->st_shndx
= SHN_UNDEF
;
1400 if (h
->got_offset
!= (bfd_vma
) -1)
1404 Elf_Internal_Rel rel
;
1406 /* This symbol has an entry in the global offset table. Set it
1409 BFD_ASSERT (h
->dynindx
!= -1);
1411 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1412 srel
= bfd_get_section_by_name (dynobj
, ".rel.got");
1413 BFD_ASSERT (sgot
!= NULL
&& srel
!= NULL
);
1415 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ h
->got_offset
);
1417 rel
.r_offset
= (sgot
->output_section
->vma
1418 + sgot
->output_offset
1420 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_GLOB_DAT
);
1421 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1422 ((Elf32_External_Rel
*) srel
->contents
1423 + srel
->reloc_count
));
1424 ++srel
->reloc_count
;
1427 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_COPY
) != 0)
1430 Elf_Internal_Rel rel
;
1432 /* This symbol needs a copy reloc. Set it up. */
1434 BFD_ASSERT (h
->dynindx
!= -1
1435 && h
->root
.type
== bfd_link_hash_defined
);
1437 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
1439 BFD_ASSERT (s
!= NULL
);
1441 rel
.r_offset
= (h
->root
.u
.def
.value
1442 + h
->root
.u
.def
.section
->output_section
->vma
1443 + h
->root
.u
.def
.section
->output_offset
);
1444 rel
.r_info
= ELF32_R_INFO (h
->dynindx
, R_386_COPY
);
1445 bfd_elf32_swap_reloc_out (output_bfd
, &rel
,
1446 ((Elf32_External_Rel
*) s
->contents
1451 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
1452 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
1453 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1454 sym
->st_shndx
= SHN_ABS
;
1459 /* Finish up the dynamic sections. */
1462 elf_i386_finish_dynamic_sections (output_bfd
, info
)
1464 struct bfd_link_info
*info
;
1470 dynobj
= elf_hash_table (info
)->dynobj
;
1472 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1473 BFD_ASSERT (sgot
!= NULL
);
1474 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
1476 if (elf_hash_table (info
)->dynamic_sections_created
)
1479 Elf32_External_Dyn
*dyncon
, *dynconend
;
1481 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1482 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
1484 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
1485 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->_raw_size
);
1486 for (; dyncon
< dynconend
; dyncon
++)
1488 Elf_Internal_Dyn dyn
;
1492 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
1505 s
= bfd_get_section_by_name (output_bfd
, name
);
1506 BFD_ASSERT (s
!= NULL
);
1507 dyn
.d_un
.d_ptr
= s
->vma
;
1508 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1512 s
= bfd_get_section_by_name (output_bfd
, ".rel.plt");
1513 BFD_ASSERT (s
!= NULL
);
1514 if (s
->_cooked_size
!= 0)
1515 dyn
.d_un
.d_val
= s
->_cooked_size
;
1517 dyn
.d_un
.d_val
= s
->_raw_size
;
1518 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1522 /* My reading of the SVR4 ABI indicates that the
1523 procedure linkage table relocs (DT_JMPREL) should be
1524 included in the overall relocs (DT_REL). This is
1525 what Solaris does. However, UnixWare can not handle
1526 that case. Therefore, we override the DT_RELSZ entry
1527 here to make it not include the JMPREL relocs. Since
1528 the linker script arranges for .rel.plt to follow all
1529 other relocation sections, we don't have to worry
1530 about changing the DT_REL entry. */
1531 s
= bfd_get_section_by_name (output_bfd
, ".rel.plt");
1534 if (s
->_cooked_size
!= 0)
1535 dyn
.d_un
.d_val
-= s
->_cooked_size
;
1537 dyn
.d_un
.d_val
-= s
->_raw_size
;
1539 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1544 /* Fill in the first entry in the procedure linkage table. */
1545 if (splt
->_raw_size
> 0)
1548 memcpy (splt
->contents
, elf_i386_pic_plt0_entry
, PLT_ENTRY_SIZE
);
1551 memcpy (splt
->contents
, elf_i386_plt0_entry
, PLT_ENTRY_SIZE
);
1552 bfd_put_32 (output_bfd
,
1553 sgot
->output_section
->vma
+ sgot
->output_offset
+ 4,
1554 splt
->contents
+ 2);
1555 bfd_put_32 (output_bfd
,
1556 sgot
->output_section
->vma
+ sgot
->output_offset
+ 8,
1557 splt
->contents
+ 8);
1561 /* UnixWare sets the entsize of .plt to 4, although that doesn't
1562 really seem like the right value. */
1563 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
= 4;
1566 /* Fill in the first three entries in the global offset table. */
1567 if (sgot
->_raw_size
> 0)
1570 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
1572 bfd_put_32 (output_bfd
,
1573 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
1575 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 4);
1576 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
1579 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
1584 #define TARGET_LITTLE_SYM bfd_elf32_i386_vec
1585 #define TARGET_LITTLE_NAME "elf32-i386"
1586 #define ELF_ARCH bfd_arch_i386
1587 #define ELF_MACHINE_CODE EM_386
1588 #define elf_info_to_howto elf_i386_info_to_howto
1589 #define elf_info_to_howto_rel elf_i386_info_to_howto_rel
1590 #define bfd_elf32_bfd_reloc_type_lookup elf_i386_reloc_type_lookup
1591 #define ELF_MAXPAGESIZE 0x1000
1592 #define elf_backend_create_dynamic_sections \
1593 elf_i386_create_dynamic_sections
1594 #define elf_backend_check_relocs elf_i386_check_relocs
1595 #define elf_backend_adjust_dynamic_symbol \
1596 elf_i386_adjust_dynamic_symbol
1597 #define elf_backend_size_dynamic_sections \
1598 elf_i386_size_dynamic_sections
1599 #define elf_backend_relocate_section elf_i386_relocate_section
1600 #define elf_backend_finish_dynamic_symbol \
1601 elf_i386_finish_dynamic_symbol
1602 #define elf_backend_finish_dynamic_sections \
1603 elf_i386_finish_dynamic_sections
1605 #include "elf32-target.h"