1 /* Motorola 68k series support for 32-bit ELF
2 Copyright 1993, 95, 96, 97, 98, 1999 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27 static reloc_howto_type
*reloc_type_lookup
28 PARAMS ((bfd
*, bfd_reloc_code_real_type
));
29 static void rtype_to_howto
30 PARAMS ((bfd
*, arelent
*, Elf32_Internal_Rela
*));
31 static struct bfd_hash_entry
*elf_m68k_link_hash_newfunc
32 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *));
33 static struct bfd_link_hash_table
*elf_m68k_link_hash_table_create
35 static boolean elf_m68k_check_relocs
36 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*,
37 const Elf_Internal_Rela
*));
38 static asection
*elf_m68k_gc_mark_hook
39 PARAMS ((bfd
*, struct bfd_link_info
*, Elf_Internal_Rela
*,
40 struct elf_link_hash_entry
*, Elf_Internal_Sym
*));
41 static boolean elf_m68k_gc_sweep_hook
42 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*,
43 const Elf_Internal_Rela
*));
44 static boolean elf_m68k_adjust_dynamic_symbol
45 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
46 static boolean elf_m68k_adjust_dynindx
47 PARAMS ((struct elf_link_hash_entry
*, PTR
));
48 static boolean elf_m68k_size_dynamic_sections
49 PARAMS ((bfd
*, struct bfd_link_info
*));
50 static boolean elf_m68k_relocate_section
51 PARAMS ((bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
52 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**));
53 static boolean elf_m68k_finish_dynamic_symbol
54 PARAMS ((bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
56 static boolean elf_m68k_finish_dynamic_sections
57 PARAMS ((bfd
*, struct bfd_link_info
*));
59 static boolean elf32_m68k_set_private_flags
60 PARAMS ((bfd
*, flagword
));
61 static boolean elf32_m68k_copy_private_bfd_data
62 PARAMS ((bfd
*, bfd
*));
63 static boolean elf32_m68k_merge_private_bfd_data
64 PARAMS ((bfd
*, bfd
*));
65 static boolean elf32_m68k_print_private_bfd_data
66 PARAMS ((bfd
*, PTR
));
68 static reloc_howto_type howto_table
[] = {
69 HOWTO(R_68K_NONE
, 0, 0, 0, false,0, complain_overflow_dont
, bfd_elf_generic_reloc
, "R_68K_NONE", false, 0, 0x00000000,false),
70 HOWTO(R_68K_32
, 0, 2,32, false,0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_32", false, 0, 0xffffffff,false),
71 HOWTO(R_68K_16
, 0, 1,16, false,0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_16", false, 0, 0x0000ffff,false),
72 HOWTO(R_68K_8
, 0, 0, 8, false,0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_8", false, 0, 0x000000ff,false),
73 HOWTO(R_68K_PC32
, 0, 2,32, true, 0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_PC32", false, 0, 0xffffffff,true),
74 HOWTO(R_68K_PC16
, 0, 1,16, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PC16", false, 0, 0x0000ffff,true),
75 HOWTO(R_68K_PC8
, 0, 0, 8, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PC8", false, 0, 0x000000ff,true),
76 HOWTO(R_68K_GOT32
, 0, 2,32, true, 0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_GOT32", false, 0, 0xffffffff,true),
77 HOWTO(R_68K_GOT16
, 0, 1,16, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_GOT16", false, 0, 0x0000ffff,true),
78 HOWTO(R_68K_GOT8
, 0, 0, 8, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_GOT8", false, 0, 0x000000ff,true),
79 HOWTO(R_68K_GOT32O
, 0, 2,32, false,0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_GOT32O", false, 0, 0xffffffff,false),
80 HOWTO(R_68K_GOT16O
, 0, 1,16, false,0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_GOT16O", false, 0, 0x0000ffff,false),
81 HOWTO(R_68K_GOT8O
, 0, 0, 8, false,0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_GOT8O", false, 0, 0x000000ff,false),
82 HOWTO(R_68K_PLT32
, 0, 2,32, true, 0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_PLT32", false, 0, 0xffffffff,true),
83 HOWTO(R_68K_PLT16
, 0, 1,16, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PLT16", false, 0, 0x0000ffff,true),
84 HOWTO(R_68K_PLT8
, 0, 0, 8, true, 0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PLT8", false, 0, 0x000000ff,true),
85 HOWTO(R_68K_PLT32O
, 0, 2,32, false,0, complain_overflow_bitfield
, bfd_elf_generic_reloc
, "R_68K_PLT32O", false, 0, 0xffffffff,false),
86 HOWTO(R_68K_PLT16O
, 0, 1,16, false,0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PLT16O", false, 0, 0x0000ffff,false),
87 HOWTO(R_68K_PLT8O
, 0, 0, 8, false,0, complain_overflow_signed
, bfd_elf_generic_reloc
, "R_68K_PLT8O", false, 0, 0x000000ff,false),
88 HOWTO(R_68K_COPY
, 0, 0, 0, false,0, complain_overflow_dont
, bfd_elf_generic_reloc
, "R_68K_COPY", false, 0, 0xffffffff,false),
89 HOWTO(R_68K_GLOB_DAT
, 0, 2,32, false,0, complain_overflow_dont
, bfd_elf_generic_reloc
, "R_68K_GLOB_DAT", false, 0, 0xffffffff,false),
90 HOWTO(R_68K_JMP_SLOT
, 0, 2,32, false,0, complain_overflow_dont
, bfd_elf_generic_reloc
, "R_68K_JMP_SLOT", false, 0, 0xffffffff,false),
91 HOWTO(R_68K_RELATIVE
, 0, 2,32, false,0, complain_overflow_dont
, bfd_elf_generic_reloc
, "R_68K_RELATIVE", false, 0, 0xffffffff,false),
92 /* GNU extension to record C++ vtable hierarchy */
93 HOWTO (R_68K_GNU_VTINHERIT
, /* type */
95 2, /* size (0 = byte, 1 = short, 2 = long) */
97 false, /* pc_relative */
99 complain_overflow_dont
, /* complain_on_overflow */
100 NULL
, /* special_function */
101 "R_68K_GNU_VTINHERIT", /* name */
102 false, /* partial_inplace */
106 /* GNU extension to record C++ vtable member usage */
107 HOWTO (R_68K_GNU_VTENTRY
, /* type */
109 2, /* size (0 = byte, 1 = short, 2 = long) */
111 false, /* pc_relative */
113 complain_overflow_dont
, /* complain_on_overflow */
114 _bfd_elf_rel_vtable_reloc_fn
, /* special_function */
115 "R_68K_GNU_VTENTRY", /* name */
116 false, /* partial_inplace */
123 rtype_to_howto (abfd
, cache_ptr
, dst
)
126 Elf_Internal_Rela
*dst
;
128 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < (unsigned int) R_68K_max
);
129 cache_ptr
->howto
= &howto_table
[ELF32_R_TYPE(dst
->r_info
)];
132 #define elf_info_to_howto rtype_to_howto
136 bfd_reloc_code_real_type bfd_val
;
139 { BFD_RELOC_NONE
, R_68K_NONE
},
140 { BFD_RELOC_32
, R_68K_32
},
141 { BFD_RELOC_16
, R_68K_16
},
142 { BFD_RELOC_8
, R_68K_8
},
143 { BFD_RELOC_32_PCREL
, R_68K_PC32
},
144 { BFD_RELOC_16_PCREL
, R_68K_PC16
},
145 { BFD_RELOC_8_PCREL
, R_68K_PC8
},
146 { BFD_RELOC_32_GOT_PCREL
, R_68K_GOT32
},
147 { BFD_RELOC_16_GOT_PCREL
, R_68K_GOT16
},
148 { BFD_RELOC_8_GOT_PCREL
, R_68K_GOT8
},
149 { BFD_RELOC_32_GOTOFF
, R_68K_GOT32O
},
150 { BFD_RELOC_16_GOTOFF
, R_68K_GOT16O
},
151 { BFD_RELOC_8_GOTOFF
, R_68K_GOT8O
},
152 { BFD_RELOC_32_PLT_PCREL
, R_68K_PLT32
},
153 { BFD_RELOC_16_PLT_PCREL
, R_68K_PLT16
},
154 { BFD_RELOC_8_PLT_PCREL
, R_68K_PLT8
},
155 { BFD_RELOC_32_PLTOFF
, R_68K_PLT32O
},
156 { BFD_RELOC_16_PLTOFF
, R_68K_PLT16O
},
157 { BFD_RELOC_8_PLTOFF
, R_68K_PLT8O
},
158 { BFD_RELOC_NONE
, R_68K_COPY
},
159 { BFD_RELOC_68K_GLOB_DAT
, R_68K_GLOB_DAT
},
160 { BFD_RELOC_68K_JMP_SLOT
, R_68K_JMP_SLOT
},
161 { BFD_RELOC_68K_RELATIVE
, R_68K_RELATIVE
},
162 { BFD_RELOC_CTOR
, R_68K_32
},
163 { BFD_RELOC_VTABLE_INHERIT
, R_68K_GNU_VTINHERIT
},
164 { BFD_RELOC_VTABLE_ENTRY
, R_68K_GNU_VTENTRY
},
167 static reloc_howto_type
*
168 reloc_type_lookup (abfd
, code
)
170 bfd_reloc_code_real_type code
;
173 for (i
= 0; i
< sizeof (reloc_map
) / sizeof (reloc_map
[0]); i
++)
175 if (reloc_map
[i
].bfd_val
== code
)
176 return &howto_table
[reloc_map
[i
].elf_val
];
181 #define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup
182 #define ELF_ARCH bfd_arch_m68k
183 /* end code generated by elf.el */
188 /* Functions for the m68k ELF linker. */
190 /* The name of the dynamic interpreter. This is put in the .interp
193 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
195 /* The size in bytes of an entry in the procedure linkage table. */
197 #define PLT_ENTRY_SIZE 20
199 /* The first entry in a procedure linkage table looks like this. See
200 the SVR4 ABI m68k supplement to see how this works. */
202 static const bfd_byte elf_m68k_plt0_entry
[PLT_ENTRY_SIZE
] =
204 0x2f, 0x3b, 0x01, 0x70, /* move.l (%pc,addr),-(%sp) */
205 0, 0, 0, 0, /* replaced with offset to .got + 4. */
206 0x4e, 0xfb, 0x01, 0x71, /* jmp ([%pc,addr]) */
207 0, 0, 0, 0, /* replaced with offset to .got + 8. */
208 0, 0, 0, 0 /* pad out to 20 bytes. */
211 /* Subsequent entries in a procedure linkage table look like this. */
213 static const bfd_byte elf_m68k_plt_entry
[PLT_ENTRY_SIZE
] =
215 0x4e, 0xfb, 0x01, 0x71, /* jmp ([%pc,symbol@GOTPC]) */
216 0, 0, 0, 0, /* replaced with offset to symbol's .got entry. */
217 0x2f, 0x3c, /* move.l #offset,-(%sp) */
218 0, 0, 0, 0, /* replaced with offset into relocation table. */
219 0x60, 0xff, /* bra.l .plt */
220 0, 0, 0, 0 /* replaced with offset to start of .plt. */
223 #define CPU32_FLAG(abfd) (elf_elfheader (abfd)->e_flags & EF_CPU32)
225 #define PLT_CPU32_ENTRY_SIZE 24
226 /* Procedure linkage table entries for the cpu32 */
227 static const bfd_byte elf_cpu32_plt0_entry
[PLT_CPU32_ENTRY_SIZE
] =
229 0x20, 0x7b, 0x01, 0x70, /* moveal %pc@(0xc), %a0 */
230 0, 0, 0, 0, /* replaced with offset to .got + 4. */
231 0x4e, 0xd0, /* jmp %a0@ */
232 0, 0, 0, 0, /* replace with offset to .got +8. */
233 0, 0, 0, 0, /* pad out to 24 bytes. */
234 0, 0, 0, 0, /* pad out to 24 bytes. */
238 static const bfd_byte elf_cpu32_plt_entry
[PLT_CPU32_ENTRY_SIZE
] =
240 0x20, 0x7b, 0x01, 0x70, /* moveal %pc@(0xc), %a0 */
241 0, 0, 0, 0, /* replaced with offset to symbol's .got entry. */
242 0x4e, 0xd0, /* jmp %a0@ */
243 0x2f, 0x3c, /* move.l #offset,-(%sp) */
244 0, 0, 0, 0, /* replaced with offset into relocation table. */
245 0x60, 0xff, /* bra.l .plt */
246 0, 0, 0, 0, /* replaced with offset to start of .plt. */
250 /* The m68k linker needs to keep track of the number of relocs that it
251 decides to copy in check_relocs for each symbol. This is so that it
252 can discard PC relative relocs if it doesn't need them when linking
253 with -Bsymbolic. We store the information in a field extending the
254 regular ELF linker hash table. */
256 /* This structure keeps track of the number of PC relative relocs we have
257 copied for a given symbol. */
259 struct elf_m68k_pcrel_relocs_copied
262 struct elf_m68k_pcrel_relocs_copied
*next
;
263 /* A section in dynobj. */
265 /* Number of relocs copied in this section. */
269 /* m68k ELF linker hash entry. */
271 struct elf_m68k_link_hash_entry
273 struct elf_link_hash_entry root
;
275 /* Number of PC relative relocs copied for this symbol. */
276 struct elf_m68k_pcrel_relocs_copied
*pcrel_relocs_copied
;
279 /* m68k ELF linker hash table. */
281 struct elf_m68k_link_hash_table
283 struct elf_link_hash_table root
;
286 /* Declare this now that the above structures are defined. */
288 static boolean elf_m68k_discard_copies
289 PARAMS ((struct elf_m68k_link_hash_entry
*, PTR
));
291 /* Traverse an m68k ELF linker hash table. */
293 #define elf_m68k_link_hash_traverse(table, func, info) \
294 (elf_link_hash_traverse \
296 (boolean (*) PARAMS ((struct elf_link_hash_entry *, PTR))) (func), \
299 /* Get the m68k ELF linker hash table from a link_info structure. */
301 #define elf_m68k_hash_table(p) \
302 ((struct elf_m68k_link_hash_table *) (p)->hash)
304 /* Create an entry in an m68k ELF linker hash table. */
306 static struct bfd_hash_entry
*
307 elf_m68k_link_hash_newfunc (entry
, table
, string
)
308 struct bfd_hash_entry
*entry
;
309 struct bfd_hash_table
*table
;
312 struct elf_m68k_link_hash_entry
*ret
=
313 (struct elf_m68k_link_hash_entry
*) entry
;
315 /* Allocate the structure if it has not already been allocated by a
317 if (ret
== (struct elf_m68k_link_hash_entry
*) NULL
)
318 ret
= ((struct elf_m68k_link_hash_entry
*)
319 bfd_hash_allocate (table
,
320 sizeof (struct elf_m68k_link_hash_entry
)));
321 if (ret
== (struct elf_m68k_link_hash_entry
*) NULL
)
322 return (struct bfd_hash_entry
*) ret
;
324 /* Call the allocation method of the superclass. */
325 ret
= ((struct elf_m68k_link_hash_entry
*)
326 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry
*) ret
,
328 if (ret
!= (struct elf_m68k_link_hash_entry
*) NULL
)
330 ret
->pcrel_relocs_copied
= NULL
;
333 return (struct bfd_hash_entry
*) ret
;
336 /* Create an m68k ELF linker hash table. */
338 static struct bfd_link_hash_table
*
339 elf_m68k_link_hash_table_create (abfd
)
342 struct elf_m68k_link_hash_table
*ret
;
344 ret
= ((struct elf_m68k_link_hash_table
*)
345 bfd_alloc (abfd
, sizeof (struct elf_m68k_link_hash_table
)));
346 if (ret
== (struct elf_m68k_link_hash_table
*) NULL
)
349 if (! _bfd_elf_link_hash_table_init (&ret
->root
, abfd
,
350 elf_m68k_link_hash_newfunc
))
352 bfd_release (abfd
, ret
);
356 return &ret
->root
.root
;
359 /* Keep m68k-specific flags in the ELF header */
361 elf32_m68k_set_private_flags (abfd
, flags
)
365 elf_elfheader (abfd
)->e_flags
= flags
;
366 elf_flags_init (abfd
) = true;
370 /* Copy m68k-specific data from one module to another */
372 elf32_m68k_copy_private_bfd_data (ibfd
, obfd
)
378 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
379 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
382 in_flags
= elf_elfheader (ibfd
)->e_flags
;
384 elf_elfheader (obfd
)->e_flags
= in_flags
;
385 elf_flags_init (obfd
) = true;
390 /* Merge backend specific data from an object file to the output
391 object file when linking. */
393 elf32_m68k_merge_private_bfd_data (ibfd
, obfd
)
400 if ( bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
401 || bfd_get_flavour (obfd
) != bfd_target_elf_flavour
)
404 in_flags
= elf_elfheader (ibfd
)->e_flags
;
405 out_flags
= elf_elfheader (obfd
)->e_flags
;
407 if (!elf_flags_init (obfd
))
409 elf_flags_init (obfd
) = true;
410 elf_elfheader (obfd
)->e_flags
= in_flags
;
416 /* Display the flags field */
418 elf32_m68k_print_private_bfd_data (abfd
, ptr
)
422 FILE *file
= (FILE *) ptr
;
424 BFD_ASSERT (abfd
!= NULL
&& ptr
!= NULL
);
426 /* Print normal ELF private data. */
427 _bfd_elf_print_private_bfd_data (abfd
, ptr
);
429 /* Ignore init flag - it may not be set, despite the flags field containing valid data. */
431 /* xgettext:c-format */
432 fprintf (file
, _ ("private flags = %lx:"), elf_elfheader (abfd
)->e_flags
);
434 if (elf_elfheader (abfd
)->e_flags
& EF_CPU32
)
435 fprintf (file
, _ (" [cpu32]"));
441 /* Look through the relocs for a section during the first phase, and
442 allocate space in the global offset table or procedure linkage
446 elf_m68k_check_relocs (abfd
, info
, sec
, relocs
)
448 struct bfd_link_info
*info
;
450 const Elf_Internal_Rela
*relocs
;
453 Elf_Internal_Shdr
*symtab_hdr
;
454 struct elf_link_hash_entry
**sym_hashes
;
455 bfd_signed_vma
*local_got_refcounts
;
456 const Elf_Internal_Rela
*rel
;
457 const Elf_Internal_Rela
*rel_end
;
462 if (info
->relocateable
)
465 dynobj
= elf_hash_table (info
)->dynobj
;
466 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
467 sym_hashes
= elf_sym_hashes (abfd
);
468 local_got_refcounts
= elf_local_got_refcounts (abfd
);
474 rel_end
= relocs
+ sec
->reloc_count
;
475 for (rel
= relocs
; rel
< rel_end
; rel
++)
477 unsigned long r_symndx
;
478 struct elf_link_hash_entry
*h
;
480 r_symndx
= ELF32_R_SYM (rel
->r_info
);
482 if (r_symndx
< symtab_hdr
->sh_info
)
485 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
487 switch (ELF32_R_TYPE (rel
->r_info
))
493 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
499 /* This symbol requires a global offset table entry. */
503 /* Create the .got section. */
504 elf_hash_table (info
)->dynobj
= dynobj
= abfd
;
505 if (!_bfd_elf_create_got_section (dynobj
, info
))
511 sgot
= bfd_get_section_by_name (dynobj
, ".got");
512 BFD_ASSERT (sgot
!= NULL
);
516 && (h
!= NULL
|| info
->shared
))
518 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
521 srelgot
= bfd_make_section (dynobj
, ".rela.got");
523 || !bfd_set_section_flags (dynobj
, srelgot
,
530 || !bfd_set_section_alignment (dynobj
, srelgot
, 2))
537 if (h
->got
.refcount
== -1)
541 /* Make sure this symbol is output as a dynamic symbol. */
542 if (h
->dynindx
== -1)
544 if (!bfd_elf32_link_record_dynamic_symbol (info
, h
))
548 /* Allocate space in the .got section. */
549 sgot
->_raw_size
+= 4;
550 /* Allocate relocation space. */
551 srelgot
->_raw_size
+= sizeof (Elf32_External_Rela
);
558 /* This is a global offset table entry for a local symbol. */
559 if (local_got_refcounts
== NULL
)
563 size
= symtab_hdr
->sh_info
* sizeof (bfd_signed_vma
);
564 local_got_refcounts
= ((bfd_signed_vma
*)
565 bfd_alloc (abfd
, size
));
566 if (local_got_refcounts
== NULL
)
568 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
569 memset (local_got_refcounts
, -1, size
);
571 if (local_got_refcounts
[r_symndx
] == -1)
573 local_got_refcounts
[r_symndx
] = 1;
575 sgot
->_raw_size
+= 4;
578 /* If we are generating a shared object, we need to
579 output a R_68K_RELATIVE reloc so that the dynamic
580 linker can adjust this GOT entry. */
581 srelgot
->_raw_size
+= sizeof (Elf32_External_Rela
);
585 local_got_refcounts
[r_symndx
]++;
592 /* This symbol requires a procedure linkage table entry. We
593 actually build the entry in adjust_dynamic_symbol,
594 because this might be a case of linking PIC code which is
595 never referenced by a dynamic object, in which case we
596 don't need to generate a procedure linkage table entry
599 /* If this is a local symbol, we resolve it directly without
600 creating a procedure linkage table entry. */
604 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_PLT
;
605 if (h
->plt
.refcount
== -1)
614 /* This symbol requires a procedure linkage table entry. */
618 /* It does not make sense to have this relocation for a
619 local symbol. FIXME: does it? How to handle it if
620 it does make sense? */
621 bfd_set_error (bfd_error_bad_value
);
625 /* Make sure this symbol is output as a dynamic symbol. */
626 if (h
->dynindx
== -1)
628 if (!bfd_elf32_link_record_dynamic_symbol (info
, h
))
632 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_PLT
;
633 if (h
->plt
.refcount
== -1)
642 /* If we are creating a shared library and this is not a local
643 symbol, we need to copy the reloc into the shared library.
644 However when linking with -Bsymbolic and this is a global
645 symbol which is defined in an object we are including in the
646 link (i.e., DEF_REGULAR is set), then we can resolve the
647 reloc directly. At this point we have not seen all the input
648 files, so it is possible that DEF_REGULAR is not set now but
649 will be set later (it is never cleared). We account for that
650 possibility below by storing information in the
651 pcrel_relocs_copied field of the hash table entry. */
653 && (sec
->flags
& SEC_ALLOC
) != 0
656 || (h
->elf_link_hash_flags
657 & ELF_LINK_HASH_DEF_REGULAR
) == 0)))
661 /* Make sure a plt entry is created for this symbol if
662 it turns out to be a function defined by a dynamic
664 if (h
->plt
.refcount
== -1)
677 /* Make sure a plt entry is created for this symbol if it
678 turns out to be a function defined by a dynamic object. */
679 if (h
->plt
.refcount
== -1)
685 /* If we are creating a shared library, we need to copy the
686 reloc into the shared library. */
688 && (sec
->flags
& SEC_ALLOC
) != 0)
690 /* When creating a shared object, we must copy these
691 reloc types into the output file. We create a reloc
692 section in dynobj and make room for this reloc. */
697 name
= (bfd_elf_string_from_elf_section
699 elf_elfheader (abfd
)->e_shstrndx
,
700 elf_section_data (sec
)->rel_hdr
.sh_name
));
704 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
705 && strcmp (bfd_get_section_name (abfd
, sec
),
708 sreloc
= bfd_get_section_by_name (dynobj
, name
);
711 sreloc
= bfd_make_section (dynobj
, name
);
713 || !bfd_set_section_flags (dynobj
, sreloc
,
720 || !bfd_set_section_alignment (dynobj
, sreloc
, 2))
725 sreloc
->_raw_size
+= sizeof (Elf32_External_Rela
);
727 /* If we are linking with -Bsymbolic, we count the number of
728 PC relative relocations we have entered for this symbol,
729 so that we can discard them again if the symbol is later
730 defined by a regular object. Note that this function is
731 only called if we are using an m68kelf linker hash table,
732 which means that h is really a pointer to an
733 elf_m68k_link_hash_entry. */
734 if ((ELF32_R_TYPE (rel
->r_info
) == R_68K_PC8
735 || ELF32_R_TYPE (rel
->r_info
) == R_68K_PC16
736 || ELF32_R_TYPE (rel
->r_info
) == R_68K_PC32
)
739 struct elf_m68k_link_hash_entry
*eh
;
740 struct elf_m68k_pcrel_relocs_copied
*p
;
742 eh
= (struct elf_m68k_link_hash_entry
*) h
;
744 for (p
= eh
->pcrel_relocs_copied
; p
!= NULL
; p
= p
->next
)
745 if (p
->section
== sreloc
)
750 p
= ((struct elf_m68k_pcrel_relocs_copied
*)
751 bfd_alloc (dynobj
, sizeof *p
));
754 p
->next
= eh
->pcrel_relocs_copied
;
755 eh
->pcrel_relocs_copied
= p
;
766 /* This relocation describes the C++ object vtable hierarchy.
767 Reconstruct it for later use during GC. */
768 case R_68K_GNU_VTINHERIT
:
769 if (!_bfd_elf32_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
773 /* This relocation describes which C++ vtable entries are actually
774 used. Record for later use during GC. */
775 case R_68K_GNU_VTENTRY
:
776 if (!_bfd_elf32_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
788 /* Return the section that should be marked against GC for a given
792 elf_m68k_gc_mark_hook (abfd
, info
, rel
, h
, sym
)
794 struct bfd_link_info
*info
;
795 Elf_Internal_Rela
*rel
;
796 struct elf_link_hash_entry
*h
;
797 Elf_Internal_Sym
*sym
;
801 switch (ELF32_R_TYPE (rel
->r_info
))
803 case R_68K_GNU_VTINHERIT
:
804 case R_68K_GNU_VTENTRY
:
808 switch (h
->root
.type
)
813 case bfd_link_hash_defined
:
814 case bfd_link_hash_defweak
:
815 return h
->root
.u
.def
.section
;
817 case bfd_link_hash_common
:
818 return h
->root
.u
.c
.p
->section
;
824 if (!(elf_bad_symtab (abfd
)
825 && ELF_ST_BIND (sym
->st_info
) != STB_LOCAL
)
826 && ! ((sym
->st_shndx
<= 0 || sym
->st_shndx
>= SHN_LORESERVE
)
827 && sym
->st_shndx
!= SHN_COMMON
))
829 return bfd_section_from_elf_index (abfd
, sym
->st_shndx
);
836 /* Update the got entry reference counts for the section being removed. */
839 elf_m68k_gc_sweep_hook (abfd
, info
, sec
, relocs
)
841 struct bfd_link_info
*info
;
843 const Elf_Internal_Rela
*relocs
;
845 Elf_Internal_Shdr
*symtab_hdr
;
846 struct elf_link_hash_entry
**sym_hashes
;
847 bfd_signed_vma
*local_got_refcounts
;
848 const Elf_Internal_Rela
*rel
, *relend
;
849 unsigned long r_symndx
;
850 struct elf_link_hash_entry
*h
;
855 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
856 sym_hashes
= elf_sym_hashes (abfd
);
857 local_got_refcounts
= elf_local_got_refcounts (abfd
);
859 dynobj
= elf_hash_table (info
)->dynobj
;
862 sgot
= bfd_get_section_by_name (dynobj
, ".got");
863 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
866 relend
= relocs
+ sec
->reloc_count
;
867 for (rel
= relocs
; rel
< relend
; rel
++)
869 switch (ELF32_R_TYPE (rel
->r_info
))
877 r_symndx
= ELF32_R_SYM (rel
->r_info
);
878 if (r_symndx
>= symtab_hdr
->sh_info
)
880 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
881 if (h
->got
.refcount
> 0)
884 if (h
->got
.refcount
== 0)
886 /* We don't need the .got entry any more. */
887 sgot
->_raw_size
-= 4;
888 srelgot
->_raw_size
-= sizeof (Elf32_External_Rela
);
894 if (local_got_refcounts
[r_symndx
] > 0)
896 --local_got_refcounts
[r_symndx
];
897 if (local_got_refcounts
[r_symndx
] == 0)
899 /* We don't need the .got entry any more. */
900 sgot
->_raw_size
-= 4;
902 srelgot
->_raw_size
-= sizeof (Elf32_External_Rela
);
920 r_symndx
= ELF32_R_SYM (rel
->r_info
);
921 if (r_symndx
>= symtab_hdr
->sh_info
)
923 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
924 if (h
->plt
.refcount
> 0)
938 /* Adjust a symbol defined by a dynamic object and referenced by a
939 regular object. The current definition is in some section of the
940 dynamic object, but we're not including those sections. We have to
941 change the definition to something the rest of the link can
945 elf_m68k_adjust_dynamic_symbol (info
, h
)
946 struct bfd_link_info
*info
;
947 struct elf_link_hash_entry
*h
;
951 unsigned int power_of_two
;
953 dynobj
= elf_hash_table (info
)->dynobj
;
955 /* Make sure we know what is going on here. */
956 BFD_ASSERT (dynobj
!= NULL
957 && ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
)
958 || h
->weakdef
!= NULL
959 || ((h
->elf_link_hash_flags
960 & ELF_LINK_HASH_DEF_DYNAMIC
) != 0
961 && (h
->elf_link_hash_flags
962 & ELF_LINK_HASH_REF_REGULAR
) != 0
963 && (h
->elf_link_hash_flags
964 & ELF_LINK_HASH_DEF_REGULAR
) == 0)));
966 /* If this is a function, put it in the procedure linkage table. We
967 will fill in the contents of the procedure linkage table later,
968 when we know the address of the .got section. */
969 if (h
->type
== STT_FUNC
970 || (h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0)
973 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_DYNAMIC
) == 0
974 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_REF_DYNAMIC
) == 0
975 /* We must always create the plt entry if it was referenced
976 by a PLTxxO relocation. In this case we already recorded
977 it as a dynamic symbol. */
980 /* This case can occur if we saw a PLTxx reloc in an input
981 file, but the symbol was never referred to by a dynamic
982 object. In such a case, we don't actually need to build
983 a procedure linkage table, and we can just do a PCxx
985 BFD_ASSERT ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0);
986 h
->plt
.offset
= (bfd_vma
) -1;
990 /* GC may have rendered this entry unused. */
991 if (h
->plt
.refcount
<= 0)
993 h
->elf_link_hash_flags
&= ~ELF_LINK_HASH_NEEDS_PLT
;
994 h
->plt
.offset
= (bfd_vma
) -1;
998 /* Make sure this symbol is output as a dynamic symbol. */
999 if (h
->dynindx
== -1)
1001 if (! bfd_elf32_link_record_dynamic_symbol (info
, h
))
1005 s
= bfd_get_section_by_name (dynobj
, ".plt");
1006 BFD_ASSERT (s
!= NULL
);
1008 /* If this is the first .plt entry, make room for the special
1010 if (s
->_raw_size
== 0)
1012 if (CPU32_FLAG (dynobj
))
1013 s
->_raw_size
+= PLT_CPU32_ENTRY_SIZE
;
1015 s
->_raw_size
+= PLT_ENTRY_SIZE
;
1018 /* If this symbol is not defined in a regular file, and we are
1019 not generating a shared library, then set the symbol to this
1020 location in the .plt. This is required to make function
1021 pointers compare as equal between the normal executable and
1022 the shared library. */
1024 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1026 h
->root
.u
.def
.section
= s
;
1027 h
->root
.u
.def
.value
= s
->_raw_size
;
1030 h
->plt
.offset
= s
->_raw_size
;
1032 /* Make room for this entry. */
1033 if (CPU32_FLAG (dynobj
))
1034 s
->_raw_size
+= PLT_CPU32_ENTRY_SIZE
;
1036 s
->_raw_size
+= PLT_ENTRY_SIZE
;
1038 /* We also need to make an entry in the .got.plt section, which
1039 will be placed in the .got section by the linker script. */
1041 s
= bfd_get_section_by_name (dynobj
, ".got.plt");
1042 BFD_ASSERT (s
!= NULL
);
1045 /* We also need to make an entry in the .rela.plt section. */
1047 s
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1048 BFD_ASSERT (s
!= NULL
);
1049 s
->_raw_size
+= sizeof (Elf32_External_Rela
);
1054 /* Reinitialize the plt offset now that it is not used as a reference
1056 h
->plt
.offset
= (bfd_vma
) -1;
1058 /* If this is a weak symbol, and there is a real definition, the
1059 processor independent code will have arranged for us to see the
1060 real definition first, and we can just use the same value. */
1061 if (h
->weakdef
!= NULL
)
1063 BFD_ASSERT (h
->weakdef
->root
.type
== bfd_link_hash_defined
1064 || h
->weakdef
->root
.type
== bfd_link_hash_defweak
);
1065 h
->root
.u
.def
.section
= h
->weakdef
->root
.u
.def
.section
;
1066 h
->root
.u
.def
.value
= h
->weakdef
->root
.u
.def
.value
;
1070 /* This is a reference to a symbol defined by a dynamic object which
1071 is not a function. */
1073 /* If we are creating a shared library, we must presume that the
1074 only references to the symbol are via the global offset table.
1075 For such cases we need not do anything here; the relocations will
1076 be handled correctly by relocate_section. */
1080 /* We must allocate the symbol in our .dynbss section, which will
1081 become part of the .bss section of the executable. There will be
1082 an entry for this symbol in the .dynsym section. The dynamic
1083 object will contain position independent code, so all references
1084 from the dynamic object to this symbol will go through the global
1085 offset table. The dynamic linker will use the .dynsym entry to
1086 determine the address it must put in the global offset table, so
1087 both the dynamic object and the regular object will refer to the
1088 same memory location for the variable. */
1090 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
1091 BFD_ASSERT (s
!= NULL
);
1093 /* We must generate a R_68K_COPY reloc to tell the dynamic linker to
1094 copy the initial value out of the dynamic object and into the
1095 runtime process image. We need to remember the offset into the
1096 .rela.bss section we are going to use. */
1097 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0)
1101 srel
= bfd_get_section_by_name (dynobj
, ".rela.bss");
1102 BFD_ASSERT (srel
!= NULL
);
1103 srel
->_raw_size
+= sizeof (Elf32_External_Rela
);
1104 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_COPY
;
1107 /* We need to figure out the alignment required for this symbol. I
1108 have no idea how ELF linkers handle this. */
1109 power_of_two
= bfd_log2 (h
->size
);
1110 if (power_of_two
> 3)
1113 /* Apply the required alignment. */
1114 s
->_raw_size
= BFD_ALIGN (s
->_raw_size
,
1115 (bfd_size_type
) (1 << power_of_two
));
1116 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
1118 if (!bfd_set_section_alignment (dynobj
, s
, power_of_two
))
1122 /* Define the symbol as being at this point in the section. */
1123 h
->root
.u
.def
.section
= s
;
1124 h
->root
.u
.def
.value
= s
->_raw_size
;
1126 /* Increment the section size to make room for the symbol. */
1127 s
->_raw_size
+= h
->size
;
1132 /* Set the sizes of the dynamic sections. */
1135 elf_m68k_size_dynamic_sections (output_bfd
, info
)
1137 struct bfd_link_info
*info
;
1145 dynobj
= elf_hash_table (info
)->dynobj
;
1146 BFD_ASSERT (dynobj
!= NULL
);
1148 if (elf_hash_table (info
)->dynamic_sections_created
)
1150 /* Set the contents of the .interp section to the interpreter. */
1153 s
= bfd_get_section_by_name (dynobj
, ".interp");
1154 BFD_ASSERT (s
!= NULL
);
1155 s
->_raw_size
= sizeof ELF_DYNAMIC_INTERPRETER
;
1156 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
1161 /* We may have created entries in the .rela.got section.
1162 However, if we are not creating the dynamic sections, we will
1163 not actually use these entries. Reset the size of .rela.got,
1164 which will cause it to get stripped from the output file
1166 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
1171 /* If this is a -Bsymbolic shared link, then we need to discard all PC
1172 relative relocs against symbols defined in a regular object. We
1173 allocated space for them in the check_relocs routine, but we will not
1174 fill them in in the relocate_section routine. */
1175 if (info
->shared
&& info
->symbolic
)
1176 elf_m68k_link_hash_traverse (elf_m68k_hash_table (info
),
1177 elf_m68k_discard_copies
,
1180 /* The check_relocs and adjust_dynamic_symbol entry points have
1181 determined the sizes of the various dynamic sections. Allocate
1186 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
1191 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
1194 /* It's OK to base decisions on the section name, because none
1195 of the dynobj section names depend upon the input files. */
1196 name
= bfd_get_section_name (dynobj
, s
);
1200 if (strcmp (name
, ".plt") == 0)
1202 if (s
->_raw_size
== 0)
1204 /* Strip this section if we don't need it; see the
1210 /* Remember whether there is a PLT. */
1214 else if (strncmp (name
, ".rela", 5) == 0)
1216 if (s
->_raw_size
== 0)
1218 /* If we don't need this section, strip it from the
1219 output file. This is mostly to handle .rela.bss and
1220 .rela.plt. We must create both sections in
1221 create_dynamic_sections, because they must be created
1222 before the linker maps input sections to output
1223 sections. The linker does that before
1224 adjust_dynamic_symbol is called, and it is that
1225 function which decides whether anything needs to go
1226 into these sections. */
1233 /* Remember whether there are any reloc sections other
1235 if (strcmp (name
, ".rela.plt") != 0)
1237 const char *outname
;
1241 /* If this relocation section applies to a read only
1242 section, then we probably need a DT_TEXTREL
1243 entry. .rela.plt is actually associated with
1244 .got.plt, which is never readonly. */
1245 outname
= bfd_get_section_name (output_bfd
,
1247 target
= bfd_get_section_by_name (output_bfd
, outname
+ 5);
1249 && (target
->flags
& SEC_READONLY
) != 0
1250 && (target
->flags
& SEC_ALLOC
) != 0)
1254 /* We use the reloc_count field as a counter if we need
1255 to copy relocs into the output file. */
1259 else if (strncmp (name
, ".got", 4) != 0)
1261 /* It's not one of our sections, so don't allocate space. */
1267 _bfd_strip_section_from_output (s
);
1271 /* Allocate memory for the section contents. */
1272 s
->contents
= (bfd_byte
*) bfd_alloc (dynobj
, s
->_raw_size
);
1273 if (s
->contents
== NULL
&& s
->_raw_size
!= 0)
1277 if (elf_hash_table (info
)->dynamic_sections_created
)
1279 /* Add some entries to the .dynamic section. We fill in the
1280 values later, in elf_m68k_finish_dynamic_sections, but we
1281 must add the entries now so that we get the correct size for
1282 the .dynamic section. The DT_DEBUG entry is filled in by the
1283 dynamic linker and used by the debugger. */
1286 if (!bfd_elf32_add_dynamic_entry (info
, DT_DEBUG
, 0))
1292 if (!bfd_elf32_add_dynamic_entry (info
, DT_PLTGOT
, 0)
1293 || !bfd_elf32_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
1294 || !bfd_elf32_add_dynamic_entry (info
, DT_PLTREL
, DT_RELA
)
1295 || !bfd_elf32_add_dynamic_entry (info
, DT_JMPREL
, 0))
1301 if (!bfd_elf32_add_dynamic_entry (info
, DT_RELA
, 0)
1302 || !bfd_elf32_add_dynamic_entry (info
, DT_RELASZ
, 0)
1303 || !bfd_elf32_add_dynamic_entry (info
, DT_RELAENT
,
1304 sizeof (Elf32_External_Rela
)))
1310 if (!bfd_elf32_add_dynamic_entry (info
, DT_TEXTREL
, 0))
1315 /* If we are generating a shared library, we generate a section
1316 symbol for each output section for which we might need to copy
1317 relocs. These are local symbols, which means that they must come
1318 first in the dynamic symbol table. That means we must increment
1319 the dynamic symbol index of every other dynamic symbol. */
1325 for (s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
)
1327 if ((s
->flags
& SEC_LINKER_CREATED
) != 0
1328 || (s
->flags
& SEC_ALLOC
) == 0)
1331 elf_section_data (s
)->dynindx
= c
+ 1;
1333 /* These symbols will have no names, so we don't need to
1334 fiddle with dynstr_index. */
1339 elf_link_hash_traverse (elf_hash_table (info
),
1340 elf_m68k_adjust_dynindx
,
1342 elf_hash_table (info
)->dynsymcount
+= c
;
1348 /* Increment the index of a dynamic symbol by a given amount. Called
1349 via elf_link_hash_traverse. */
1352 elf_m68k_adjust_dynindx (h
, cparg
)
1353 struct elf_link_hash_entry
*h
;
1356 int *cp
= (int *) cparg
;
1358 if (h
->dynindx
!= -1)
1363 /* This function is called via elf_m68k_link_hash_traverse if we are
1364 creating a shared object with -Bsymbolic. It discards the space
1365 allocated to copy PC relative relocs against symbols which are defined
1366 in regular objects. We allocated space for them in the check_relocs
1367 routine, but we won't fill them in in the relocate_section routine. */
1371 elf_m68k_discard_copies (h
, ignore
)
1372 struct elf_m68k_link_hash_entry
*h
;
1375 struct elf_m68k_pcrel_relocs_copied
*s
;
1377 /* We only discard relocs for symbols defined in a regular object. */
1378 if ((h
->root
.elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1381 for (s
= h
->pcrel_relocs_copied
; s
!= NULL
; s
= s
->next
)
1382 s
->section
->_raw_size
-= s
->count
* sizeof (Elf32_External_Rela
);
1387 /* Relocate an M68K ELF section. */
1390 elf_m68k_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
1391 contents
, relocs
, local_syms
, local_sections
)
1393 struct bfd_link_info
*info
;
1395 asection
*input_section
;
1397 Elf_Internal_Rela
*relocs
;
1398 Elf_Internal_Sym
*local_syms
;
1399 asection
**local_sections
;
1402 Elf_Internal_Shdr
*symtab_hdr
;
1403 struct elf_link_hash_entry
**sym_hashes
;
1404 bfd_vma
*local_got_offsets
;
1408 Elf_Internal_Rela
*rel
;
1409 Elf_Internal_Rela
*relend
;
1411 dynobj
= elf_hash_table (info
)->dynobj
;
1412 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
1413 sym_hashes
= elf_sym_hashes (input_bfd
);
1414 local_got_offsets
= elf_local_got_offsets (input_bfd
);
1421 relend
= relocs
+ input_section
->reloc_count
;
1422 for (; rel
< relend
; rel
++)
1425 reloc_howto_type
*howto
;
1426 unsigned long r_symndx
;
1427 struct elf_link_hash_entry
*h
;
1428 Elf_Internal_Sym
*sym
;
1431 bfd_reloc_status_type r
;
1433 r_type
= ELF32_R_TYPE (rel
->r_info
);
1434 if (r_type
< 0 || r_type
>= (int) R_68K_max
)
1436 bfd_set_error (bfd_error_bad_value
);
1439 howto
= howto_table
+ r_type
;
1441 r_symndx
= ELF32_R_SYM (rel
->r_info
);
1443 if (info
->relocateable
)
1445 /* This is a relocateable link. We don't have to change
1446 anything, unless the reloc is against a section symbol,
1447 in which case we have to adjust according to where the
1448 section symbol winds up in the output section. */
1449 if (r_symndx
< symtab_hdr
->sh_info
)
1451 sym
= local_syms
+ r_symndx
;
1452 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
1454 sec
= local_sections
[r_symndx
];
1455 rel
->r_addend
+= sec
->output_offset
+ sym
->st_value
;
1462 /* This is a final link. */
1466 if (r_symndx
< symtab_hdr
->sh_info
)
1468 sym
= local_syms
+ r_symndx
;
1469 sec
= local_sections
[r_symndx
];
1470 relocation
= (sec
->output_section
->vma
1471 + sec
->output_offset
1476 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1477 while (h
->root
.type
== bfd_link_hash_indirect
1478 || h
->root
.type
== bfd_link_hash_warning
)
1479 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1480 if (h
->root
.type
== bfd_link_hash_defined
1481 || h
->root
.type
== bfd_link_hash_defweak
)
1483 sec
= h
->root
.u
.def
.section
;
1484 if (((r_type
== R_68K_PLT8
1485 || r_type
== R_68K_PLT16
1486 || r_type
== R_68K_PLT32
1487 || r_type
== R_68K_PLT8O
1488 || r_type
== R_68K_PLT16O
1489 || r_type
== R_68K_PLT32O
)
1490 && h
->plt
.offset
!= (bfd_vma
) -1
1491 && elf_hash_table (info
)->dynamic_sections_created
)
1492 || ((r_type
== R_68K_GOT8O
1493 || r_type
== R_68K_GOT16O
1494 || r_type
== R_68K_GOT32O
1495 || ((r_type
== R_68K_GOT8
1496 || r_type
== R_68K_GOT16
1497 || r_type
== R_68K_GOT32
)
1498 && strcmp (h
->root
.root
.string
,
1499 "_GLOBAL_OFFSET_TABLE_") != 0))
1500 && elf_hash_table (info
)->dynamic_sections_created
1502 || (! info
->symbolic
&& h
->dynindx
!= -1)
1503 || (h
->elf_link_hash_flags
1504 & ELF_LINK_HASH_DEF_REGULAR
) == 0))
1506 && ((! info
->symbolic
&& h
->dynindx
!= -1)
1507 || (h
->elf_link_hash_flags
1508 & ELF_LINK_HASH_DEF_REGULAR
) == 0)
1509 && (input_section
->flags
& SEC_ALLOC
) != 0
1510 && (r_type
== R_68K_8
1511 || r_type
== R_68K_16
1512 || r_type
== R_68K_32
1513 || r_type
== R_68K_PC8
1514 || r_type
== R_68K_PC16
1515 || r_type
== R_68K_PC32
)))
1517 /* In these cases, we don't need the relocation
1518 value. We check specially because in some
1519 obscure cases sec->output_section will be NULL. */
1523 relocation
= (h
->root
.u
.def
.value
1524 + sec
->output_section
->vma
1525 + sec
->output_offset
);
1527 else if (h
->root
.type
== bfd_link_hash_undefweak
)
1529 else if (info
->shared
&& !info
->symbolic
&& !info
->no_undefined
)
1533 if (!(info
->callbacks
->undefined_symbol
1534 (info
, h
->root
.root
.string
, input_bfd
,
1535 input_section
, rel
->r_offset
)))
1546 /* Relocation is to the address of the entry for this symbol
1547 in the global offset table. */
1549 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1555 /* Relocation is the offset of the entry for this symbol in
1556 the global offset table. */
1563 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1564 BFD_ASSERT (sgot
!= NULL
);
1569 off
= h
->got
.offset
;
1570 BFD_ASSERT (off
!= (bfd_vma
) -1);
1572 if (!elf_hash_table (info
)->dynamic_sections_created
1574 && (info
->symbolic
|| h
->dynindx
== -1)
1575 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
)))
1577 /* This is actually a static link, or it is a
1578 -Bsymbolic link and the symbol is defined
1579 locally, or the symbol was forced to be local
1580 because of a version file.. We must initialize
1581 this entry in the global offset table. Since
1582 the offset must always be a multiple of 4, we
1583 use the least significant bit to record whether
1584 we have initialized it already.
1586 When doing a dynamic link, we create a .rela.got
1587 relocation entry to initialize the value. This
1588 is done in the finish_dynamic_symbol routine. */
1593 bfd_put_32 (output_bfd
, relocation
,
1594 sgot
->contents
+ off
);
1601 BFD_ASSERT (local_got_offsets
!= NULL
1602 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1604 off
= local_got_offsets
[r_symndx
];
1606 /* The offset must always be a multiple of 4. We use
1607 the least significant bit to record whether we have
1608 already generated the necessary reloc. */
1613 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
1618 Elf_Internal_Rela outrel
;
1620 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
1621 BFD_ASSERT (srelgot
!= NULL
);
1623 outrel
.r_offset
= (sgot
->output_section
->vma
1624 + sgot
->output_offset
1626 outrel
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
1627 outrel
.r_addend
= relocation
;
1628 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1629 (((Elf32_External_Rela
*)
1631 + srelgot
->reloc_count
));
1632 ++srelgot
->reloc_count
;
1635 local_got_offsets
[r_symndx
] |= 1;
1639 relocation
= sgot
->output_offset
+ off
;
1640 if (r_type
== R_68K_GOT8O
1641 || r_type
== R_68K_GOT16O
1642 || r_type
== R_68K_GOT32O
)
1644 /* This relocation does not use the addend. */
1648 relocation
+= sgot
->output_section
->vma
;
1655 /* Relocation is to the entry for this symbol in the
1656 procedure linkage table. */
1658 /* Resolve a PLTxx reloc against a local symbol directly,
1659 without using the procedure linkage table. */
1663 if (h
->plt
.offset
== (bfd_vma
) -1
1664 || !elf_hash_table (info
)->dynamic_sections_created
)
1666 /* We didn't make a PLT entry for this symbol. This
1667 happens when statically linking PIC code, or when
1668 using -Bsymbolic. */
1674 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1675 BFD_ASSERT (splt
!= NULL
);
1678 relocation
= (splt
->output_section
->vma
1679 + splt
->output_offset
1686 /* Relocation is the offset of the entry for this symbol in
1687 the procedure linkage table. */
1688 BFD_ASSERT (h
!= NULL
&& h
->plt
.offset
!= (bfd_vma
) -1);
1692 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1693 BFD_ASSERT (splt
!= NULL
);
1696 relocation
= h
->plt
.offset
;
1698 /* This relocation does not use the addend. */
1713 && (input_section
->flags
& SEC_ALLOC
) != 0
1714 && ((r_type
!= R_68K_PC8
1715 && r_type
!= R_68K_PC16
1716 && r_type
!= R_68K_PC32
)
1718 || (h
->elf_link_hash_flags
1719 & ELF_LINK_HASH_DEF_REGULAR
) == 0)))
1721 Elf_Internal_Rela outrel
;
1722 boolean skip
, relocate
;
1724 /* When generating a shared object, these relocations
1725 are copied into the output file to be resolved at run
1732 name
= (bfd_elf_string_from_elf_section
1734 elf_elfheader (input_bfd
)->e_shstrndx
,
1735 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1739 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
1740 && strcmp (bfd_get_section_name (input_bfd
,
1744 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1745 BFD_ASSERT (sreloc
!= NULL
);
1750 if (elf_section_data (input_section
)->stab_info
== NULL
)
1751 outrel
.r_offset
= rel
->r_offset
;
1756 off
= (_bfd_stab_section_offset
1757 (output_bfd
, &elf_hash_table (info
)->stab_info
,
1759 &elf_section_data (input_section
)->stab_info
,
1761 if (off
== (bfd_vma
) -1)
1763 outrel
.r_offset
= off
;
1766 outrel
.r_offset
+= (input_section
->output_section
->vma
1767 + input_section
->output_offset
);
1771 memset (&outrel
, 0, sizeof outrel
);
1774 /* h->dynindx may be -1 if the symbol was marked to
1777 && ((! info
->symbolic
&& h
->dynindx
!= -1)
1778 || (h
->elf_link_hash_flags
1779 & ELF_LINK_HASH_DEF_REGULAR
) == 0))
1781 BFD_ASSERT (h
->dynindx
!= -1);
1783 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, r_type
);
1784 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1788 if (r_type
== R_68K_32
)
1791 outrel
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
1792 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1799 sec
= local_sections
[r_symndx
];
1802 BFD_ASSERT (h
->root
.type
== bfd_link_hash_defined
1804 == bfd_link_hash_defweak
));
1805 sec
= h
->root
.u
.def
.section
;
1807 if (sec
!= NULL
&& bfd_is_abs_section (sec
))
1809 else if (sec
== NULL
|| sec
->owner
== NULL
)
1811 bfd_set_error (bfd_error_bad_value
);
1818 osec
= sec
->output_section
;
1819 indx
= elf_section_data (osec
)->dynindx
;
1820 BFD_ASSERT (indx
> 0);
1824 outrel
.r_info
= ELF32_R_INFO (indx
, r_type
);
1825 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1829 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1830 (((Elf32_External_Rela
*)
1832 + sreloc
->reloc_count
));
1833 ++sreloc
->reloc_count
;
1835 /* This reloc will be computed at runtime, so there's no
1836 need to do anything now, except for R_68K_32
1837 relocations that have been turned into
1845 case R_68K_GNU_VTINHERIT
:
1846 case R_68K_GNU_VTENTRY
:
1847 /* These are no-ops in the end. */
1854 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
1855 contents
, rel
->r_offset
,
1856 relocation
, rel
->r_addend
);
1858 if (r
!= bfd_reloc_ok
)
1863 case bfd_reloc_outofrange
:
1865 case bfd_reloc_overflow
:
1870 name
= h
->root
.root
.string
;
1873 name
= bfd_elf_string_from_elf_section (input_bfd
,
1874 symtab_hdr
->sh_link
,
1879 name
= bfd_section_name (input_bfd
, sec
);
1881 if (!(info
->callbacks
->reloc_overflow
1882 (info
, name
, howto
->name
, (bfd_vma
) 0,
1883 input_bfd
, input_section
, rel
->r_offset
)))
1894 /* Finish up dynamic symbol handling. We set the contents of various
1895 dynamic sections here. */
1898 elf_m68k_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
1900 struct bfd_link_info
*info
;
1901 struct elf_link_hash_entry
*h
;
1902 Elf_Internal_Sym
*sym
;
1905 int plt_off1
, plt_off2
, plt_off3
;
1907 dynobj
= elf_hash_table (info
)->dynobj
;
1909 if (h
->plt
.offset
!= (bfd_vma
) -1)
1916 Elf_Internal_Rela rela
;
1918 /* This symbol has an entry in the procedure linkage table. Set
1921 BFD_ASSERT (h
->dynindx
!= -1);
1923 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1924 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1925 srela
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1926 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srela
!= NULL
);
1928 /* Get the index in the procedure linkage table which
1929 corresponds to this symbol. This is the index of this symbol
1930 in all the symbols for which we are making plt entries. The
1931 first entry in the procedure linkage table is reserved. */
1932 if ( CPU32_FLAG (output_bfd
))
1933 plt_index
= h
->plt
.offset
/ PLT_CPU32_ENTRY_SIZE
- 1;
1935 plt_index
= h
->plt
.offset
/ PLT_ENTRY_SIZE
- 1;
1937 /* Get the offset into the .got table of the entry that
1938 corresponds to this function. Each .got entry is 4 bytes.
1939 The first three are reserved. */
1940 got_offset
= (plt_index
+ 3) * 4;
1942 if ( CPU32_FLAG (output_bfd
))
1944 /* Fill in the entry in the procedure linkage table. */
1945 memcpy (splt
->contents
+ h
->plt
.offset
, elf_cpu32_plt_entry
,
1946 PLT_CPU32_ENTRY_SIZE
);
1953 /* Fill in the entry in the procedure linkage table. */
1954 memcpy (splt
->contents
+ h
->plt
.offset
, elf_m68k_plt_entry
,
1961 /* The offset is relative to the first extension word. */
1962 bfd_put_32 (output_bfd
,
1963 (sgot
->output_section
->vma
1964 + sgot
->output_offset
1966 - (splt
->output_section
->vma
1967 + h
->plt
.offset
+ 2)),
1968 splt
->contents
+ h
->plt
.offset
+ plt_off1
);
1970 bfd_put_32 (output_bfd
, plt_index
* sizeof (Elf32_External_Rela
),
1971 splt
->contents
+ h
->plt
.offset
+ plt_off2
);
1972 bfd_put_32 (output_bfd
, - (h
->plt
.offset
+ plt_off3
),
1973 splt
->contents
+ h
->plt
.offset
+ plt_off3
);
1975 /* Fill in the entry in the global offset table. */
1976 bfd_put_32 (output_bfd
,
1977 (splt
->output_section
->vma
1978 + splt
->output_offset
1981 sgot
->contents
+ got_offset
);
1983 /* Fill in the entry in the .rela.plt section. */
1984 rela
.r_offset
= (sgot
->output_section
->vma
1985 + sgot
->output_offset
1987 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_JMP_SLOT
);
1989 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
1990 ((Elf32_External_Rela
*) srela
->contents
1993 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1995 /* Mark the symbol as undefined, rather than as defined in
1996 the .plt section. Leave the value alone. */
1997 sym
->st_shndx
= SHN_UNDEF
;
2001 if (h
->got
.offset
!= (bfd_vma
) -1)
2005 Elf_Internal_Rela rela
;
2007 /* This symbol has an entry in the global offset table. Set it
2010 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2011 srela
= bfd_get_section_by_name (dynobj
, ".rela.got");
2012 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
2014 rela
.r_offset
= (sgot
->output_section
->vma
2015 + sgot
->output_offset
2016 + (h
->got
.offset
&~ 1));
2018 /* If this is a -Bsymbolic link, and the symbol is defined
2019 locally, we just want to emit a RELATIVE reloc. Likewise if
2020 the symbol was forced to be local because of a version file.
2021 The entry in the global offset table will already have been
2022 initialized in the relocate_section function. */
2024 && (info
->symbolic
|| h
->dynindx
== -1)
2025 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
))
2027 rela
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
2028 rela
.r_addend
= bfd_get_signed_32 (output_bfd
,
2030 + (h
->got
.offset
& ~1)));
2034 bfd_put_32 (output_bfd
, (bfd_vma
) 0,
2035 sgot
->contents
+ (h
->got
.offset
& ~1));
2036 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_GLOB_DAT
);
2040 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
2041 ((Elf32_External_Rela
*) srela
->contents
2042 + srela
->reloc_count
));
2043 ++srela
->reloc_count
;
2046 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_COPY
) != 0)
2049 Elf_Internal_Rela rela
;
2051 /* This symbol needs a copy reloc. Set it up. */
2053 BFD_ASSERT (h
->dynindx
!= -1
2054 && (h
->root
.type
== bfd_link_hash_defined
2055 || h
->root
.type
== bfd_link_hash_defweak
));
2057 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
2059 BFD_ASSERT (s
!= NULL
);
2061 rela
.r_offset
= (h
->root
.u
.def
.value
2062 + h
->root
.u
.def
.section
->output_section
->vma
2063 + h
->root
.u
.def
.section
->output_offset
);
2064 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_COPY
);
2066 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
2067 ((Elf32_External_Rela
*) s
->contents
2072 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
2073 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
2074 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
2075 sym
->st_shndx
= SHN_ABS
;
2080 /* Finish up the dynamic sections. */
2083 elf_m68k_finish_dynamic_sections (output_bfd
, info
)
2085 struct bfd_link_info
*info
;
2090 int plt_entry0_size
, plt_off1
, plt_off2
;
2092 dynobj
= elf_hash_table (info
)->dynobj
;
2094 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
2095 BFD_ASSERT (sgot
!= NULL
);
2096 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
2098 if (elf_hash_table (info
)->dynamic_sections_created
)
2101 Elf32_External_Dyn
*dyncon
, *dynconend
;
2103 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2104 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
2106 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
2107 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->_raw_size
);
2108 for (; dyncon
< dynconend
; dyncon
++)
2110 Elf_Internal_Dyn dyn
;
2114 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
2127 s
= bfd_get_section_by_name (output_bfd
, name
);
2128 BFD_ASSERT (s
!= NULL
);
2129 dyn
.d_un
.d_ptr
= s
->vma
;
2130 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2134 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
2135 BFD_ASSERT (s
!= NULL
);
2136 if (s
->_cooked_size
!= 0)
2137 dyn
.d_un
.d_val
= s
->_cooked_size
;
2139 dyn
.d_un
.d_val
= s
->_raw_size
;
2140 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2144 /* The procedure linkage table relocs (DT_JMPREL) should
2145 not be included in the overall relocs (DT_RELA).
2146 Therefore, we override the DT_RELASZ entry here to
2147 make it not include the JMPREL relocs. Since the
2148 linker script arranges for .rela.plt to follow all
2149 other relocation sections, we don't have to worry
2150 about changing the DT_RELA entry. */
2151 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
2154 if (s
->_cooked_size
!= 0)
2155 dyn
.d_un
.d_val
-= s
->_cooked_size
;
2157 dyn
.d_un
.d_val
-= s
->_raw_size
;
2159 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2164 /* Fill in the first entry in the procedure linkage table. */
2165 if (splt
->_raw_size
> 0)
2167 if (!CPU32_FLAG (output_bfd
))
2169 memcpy (splt
->contents
, elf_m68k_plt0_entry
, PLT_ENTRY_SIZE
);
2170 bfd_put_32 (output_bfd
,
2171 (sgot
->output_section
->vma
2172 + sgot
->output_offset
+ 4
2173 - (splt
->output_section
->vma
+ 2)),
2174 splt
->contents
+ 4);
2175 bfd_put_32 (output_bfd
,
2176 (sgot
->output_section
->vma
2177 + sgot
->output_offset
+ 8
2178 - (splt
->output_section
->vma
+ 10)),
2179 splt
->contents
+ 12);
2180 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
2185 memcpy (splt
->contents
, elf_cpu32_plt0_entry
, PLT_CPU32_ENTRY_SIZE
);
2186 bfd_put_32 (output_bfd
,
2187 (sgot
->output_section
->vma
2188 + sgot
->output_offset
+ 4
2189 - (splt
->output_section
->vma
+ 2)),
2190 splt
->contents
+ 4);
2191 bfd_put_32 (output_bfd
,
2192 (sgot
->output_section
->vma
2193 + sgot
->output_offset
+ 8
2194 - (splt
->output_section
->vma
+ 10)),
2195 splt
->contents
+ 10);
2196 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
2197 = PLT_CPU32_ENTRY_SIZE
;
2202 /* Fill in the first three entries in the global offset table. */
2203 if (sgot
->_raw_size
> 0)
2206 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
2208 bfd_put_32 (output_bfd
,
2209 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
2211 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 4);
2212 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
2215 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
2221 Elf_Internal_Sym sym
;
2224 /* Set up the section symbols for the output sections. */
2226 sdynsym
= bfd_get_section_by_name (dynobj
, ".dynsym");
2227 BFD_ASSERT (sdynsym
!= NULL
);
2231 sym
.st_info
= ELF_ST_INFO (STB_LOCAL
, STT_SECTION
);
2235 for (s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
)
2239 if (elf_section_data (s
)->dynindx
== 0)
2242 sym
.st_value
= s
->vma
;
2244 indx
= elf_section_data (s
)->this_idx
;
2245 BFD_ASSERT (indx
> 0);
2246 sym
.st_shndx
= indx
;
2248 bfd_elf32_swap_symbol_out (output_bfd
, &sym
,
2249 (PTR
) (((Elf32_External_Sym
*)
2251 + elf_section_data (s
)->dynindx
));
2256 /* Set the sh_info field of the output .dynsym section to the
2257 index of the first global symbol. */
2258 elf_section_data (sdynsym
->output_section
)->this_hdr
.sh_info
= c
+ 1;
2264 #define TARGET_BIG_SYM bfd_elf32_m68k_vec
2265 #define TARGET_BIG_NAME "elf32-m68k"
2266 #define ELF_MACHINE_CODE EM_68K
2267 #define ELF_MAXPAGESIZE 0x2000
2268 #define elf_backend_create_dynamic_sections \
2269 _bfd_elf_create_dynamic_sections
2270 #define bfd_elf32_bfd_link_hash_table_create \
2271 elf_m68k_link_hash_table_create
2272 #define bfd_elf32_bfd_final_link _bfd_elf32_gc_common_final_link
2274 #define elf_backend_check_relocs elf_m68k_check_relocs
2275 #define elf_backend_adjust_dynamic_symbol \
2276 elf_m68k_adjust_dynamic_symbol
2277 #define elf_backend_size_dynamic_sections \
2278 elf_m68k_size_dynamic_sections
2279 #define elf_backend_relocate_section elf_m68k_relocate_section
2280 #define elf_backend_finish_dynamic_symbol \
2281 elf_m68k_finish_dynamic_symbol
2282 #define elf_backend_finish_dynamic_sections \
2283 elf_m68k_finish_dynamic_sections
2284 #define elf_backend_gc_mark_hook elf_m68k_gc_mark_hook
2285 #define elf_backend_gc_sweep_hook elf_m68k_gc_sweep_hook
2286 #define bfd_elf32_bfd_copy_private_bfd_data \
2287 elf32_m68k_copy_private_bfd_data
2288 #define bfd_elf32_bfd_merge_private_bfd_data \
2289 elf32_m68k_merge_private_bfd_data
2290 #define bfd_elf32_bfd_set_private_flags \
2291 elf32_m68k_set_private_flags
2292 #define bfd_elf32_bfd_print_private_bfd_data \
2293 elf32_m68k_print_private_bfd_data
2295 #define elf_backend_can_gc_sections 1
2296 #define elf_backend_want_got_plt 1
2297 #define elf_backend_plt_readonly 1
2298 #define elf_backend_want_plt_sym 0
2299 #define elf_backend_got_header_size 12
2301 #include "elf32-target.h"