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)
1011 if ( CPU32_FLAG (dynobj
))
1012 s
->_raw_size
+= PLT_CPU32_ENTRY_SIZE
;
1014 s
->_raw_size
+= PLT_ENTRY_SIZE
;
1016 /* If this symbol is not defined in a regular file, and we are
1017 not generating a shared library, then set the symbol to this
1018 location in the .plt. This is required to make function
1019 pointers compare as equal between the normal executable and
1020 the shared library. */
1022 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1024 h
->root
.u
.def
.section
= s
;
1025 h
->root
.u
.def
.value
= s
->_raw_size
;
1028 h
->plt
.offset
= s
->_raw_size
;
1030 /* Make room for this entry. */
1031 if (CPU32_FLAG (dynobj
))
1032 s
->_raw_size
+= PLT_CPU32_ENTRY_SIZE
;
1034 s
->_raw_size
+= PLT_ENTRY_SIZE
;
1036 /* We also need to make an entry in the .got.plt section, which
1037 will be placed in the .got section by the linker script. */
1039 s
= bfd_get_section_by_name (dynobj
, ".got.plt");
1040 BFD_ASSERT (s
!= NULL
);
1043 /* We also need to make an entry in the .rela.plt section. */
1045 s
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1046 BFD_ASSERT (s
!= NULL
);
1047 s
->_raw_size
+= sizeof (Elf32_External_Rela
);
1052 /* Reinitialize the plt offset now that it is not used as a reference
1054 h
->plt
.offset
= (bfd_vma
) -1;
1056 /* If this is a weak symbol, and there is a real definition, the
1057 processor independent code will have arranged for us to see the
1058 real definition first, and we can just use the same value. */
1059 if (h
->weakdef
!= NULL
)
1061 BFD_ASSERT (h
->weakdef
->root
.type
== bfd_link_hash_defined
1062 || h
->weakdef
->root
.type
== bfd_link_hash_defweak
);
1063 h
->root
.u
.def
.section
= h
->weakdef
->root
.u
.def
.section
;
1064 h
->root
.u
.def
.value
= h
->weakdef
->root
.u
.def
.value
;
1068 /* This is a reference to a symbol defined by a dynamic object which
1069 is not a function. */
1071 /* If we are creating a shared library, we must presume that the
1072 only references to the symbol are via the global offset table.
1073 For such cases we need not do anything here; the relocations will
1074 be handled correctly by relocate_section. */
1078 /* We must allocate the symbol in our .dynbss section, which will
1079 become part of the .bss section of the executable. There will be
1080 an entry for this symbol in the .dynsym section. The dynamic
1081 object will contain position independent code, so all references
1082 from the dynamic object to this symbol will go through the global
1083 offset table. The dynamic linker will use the .dynsym entry to
1084 determine the address it must put in the global offset table, so
1085 both the dynamic object and the regular object will refer to the
1086 same memory location for the variable. */
1088 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
1089 BFD_ASSERT (s
!= NULL
);
1091 /* We must generate a R_68K_COPY reloc to tell the dynamic linker to
1092 copy the initial value out of the dynamic object and into the
1093 runtime process image. We need to remember the offset into the
1094 .rela.bss section we are going to use. */
1095 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0)
1099 srel
= bfd_get_section_by_name (dynobj
, ".rela.bss");
1100 BFD_ASSERT (srel
!= NULL
);
1101 srel
->_raw_size
+= sizeof (Elf32_External_Rela
);
1102 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_COPY
;
1105 /* We need to figure out the alignment required for this symbol. I
1106 have no idea how ELF linkers handle this. */
1107 power_of_two
= bfd_log2 (h
->size
);
1108 if (power_of_two
> 3)
1111 /* Apply the required alignment. */
1112 s
->_raw_size
= BFD_ALIGN (s
->_raw_size
,
1113 (bfd_size_type
) (1 << power_of_two
));
1114 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
1116 if (!bfd_set_section_alignment (dynobj
, s
, power_of_two
))
1120 /* Define the symbol as being at this point in the section. */
1121 h
->root
.u
.def
.section
= s
;
1122 h
->root
.u
.def
.value
= s
->_raw_size
;
1124 /* Increment the section size to make room for the symbol. */
1125 s
->_raw_size
+= h
->size
;
1130 /* Set the sizes of the dynamic sections. */
1133 elf_m68k_size_dynamic_sections (output_bfd
, info
)
1135 struct bfd_link_info
*info
;
1143 dynobj
= elf_hash_table (info
)->dynobj
;
1144 BFD_ASSERT (dynobj
!= NULL
);
1146 if (elf_hash_table (info
)->dynamic_sections_created
)
1148 /* Set the contents of the .interp section to the interpreter. */
1151 s
= bfd_get_section_by_name (dynobj
, ".interp");
1152 BFD_ASSERT (s
!= NULL
);
1153 s
->_raw_size
= sizeof ELF_DYNAMIC_INTERPRETER
;
1154 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
1159 /* We may have created entries in the .rela.got section.
1160 However, if we are not creating the dynamic sections, we will
1161 not actually use these entries. Reset the size of .rela.got,
1162 which will cause it to get stripped from the output file
1164 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
1169 /* If this is a -Bsymbolic shared link, then we need to discard all PC
1170 relative relocs against symbols defined in a regular object. We
1171 allocated space for them in the check_relocs routine, but we will not
1172 fill them in in the relocate_section routine. */
1173 if (info
->shared
&& info
->symbolic
)
1174 elf_m68k_link_hash_traverse (elf_m68k_hash_table (info
),
1175 elf_m68k_discard_copies
,
1178 /* The check_relocs and adjust_dynamic_symbol entry points have
1179 determined the sizes of the various dynamic sections. Allocate
1184 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
1189 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
1192 /* It's OK to base decisions on the section name, because none
1193 of the dynobj section names depend upon the input files. */
1194 name
= bfd_get_section_name (dynobj
, s
);
1198 if (strcmp (name
, ".plt") == 0)
1200 if (s
->_raw_size
== 0)
1202 /* Strip this section if we don't need it; see the
1208 /* Remember whether there is a PLT. */
1212 else if (strncmp (name
, ".rela", 5) == 0)
1214 if (s
->_raw_size
== 0)
1216 /* If we don't need this section, strip it from the
1217 output file. This is mostly to handle .rela.bss and
1218 .rela.plt. We must create both sections in
1219 create_dynamic_sections, because they must be created
1220 before the linker maps input sections to output
1221 sections. The linker does that before
1222 adjust_dynamic_symbol is called, and it is that
1223 function which decides whether anything needs to go
1224 into these sections. */
1231 /* Remember whether there are any reloc sections other
1233 if (strcmp (name
, ".rela.plt") != 0)
1235 const char *outname
;
1239 /* If this relocation section applies to a read only
1240 section, then we probably need a DT_TEXTREL
1241 entry. .rela.plt is actually associated with
1242 .got.plt, which is never readonly. */
1243 outname
= bfd_get_section_name (output_bfd
,
1245 target
= bfd_get_section_by_name (output_bfd
, outname
+ 5);
1247 && (target
->flags
& SEC_READONLY
) != 0
1248 && (target
->flags
& SEC_ALLOC
) != 0)
1252 /* We use the reloc_count field as a counter if we need
1253 to copy relocs into the output file. */
1257 else if (strncmp (name
, ".got", 4) != 0)
1259 /* It's not one of our sections, so don't allocate space. */
1265 _bfd_strip_section_from_output (s
);
1269 /* Allocate memory for the section contents. */
1270 s
->contents
= (bfd_byte
*) bfd_alloc (dynobj
, s
->_raw_size
);
1271 if (s
->contents
== NULL
&& s
->_raw_size
!= 0)
1275 if (elf_hash_table (info
)->dynamic_sections_created
)
1277 /* Add some entries to the .dynamic section. We fill in the
1278 values later, in elf_m68k_finish_dynamic_sections, but we
1279 must add the entries now so that we get the correct size for
1280 the .dynamic section. The DT_DEBUG entry is filled in by the
1281 dynamic linker and used by the debugger. */
1284 if (!bfd_elf32_add_dynamic_entry (info
, DT_DEBUG
, 0))
1290 if (!bfd_elf32_add_dynamic_entry (info
, DT_PLTGOT
, 0)
1291 || !bfd_elf32_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
1292 || !bfd_elf32_add_dynamic_entry (info
, DT_PLTREL
, DT_RELA
)
1293 || !bfd_elf32_add_dynamic_entry (info
, DT_JMPREL
, 0))
1299 if (!bfd_elf32_add_dynamic_entry (info
, DT_RELA
, 0)
1300 || !bfd_elf32_add_dynamic_entry (info
, DT_RELASZ
, 0)
1301 || !bfd_elf32_add_dynamic_entry (info
, DT_RELAENT
,
1302 sizeof (Elf32_External_Rela
)))
1308 if (!bfd_elf32_add_dynamic_entry (info
, DT_TEXTREL
, 0))
1313 /* If we are generating a shared library, we generate a section
1314 symbol for each output section for which we might need to copy
1315 relocs. These are local symbols, which means that they must come
1316 first in the dynamic symbol table. That means we must increment
1317 the dynamic symbol index of every other dynamic symbol. */
1323 for (s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
)
1325 if ((s
->flags
& SEC_LINKER_CREATED
) != 0
1326 || (s
->flags
& SEC_ALLOC
) == 0)
1329 elf_section_data (s
)->dynindx
= c
+ 1;
1331 /* These symbols will have no names, so we don't need to
1332 fiddle with dynstr_index. */
1337 elf_link_hash_traverse (elf_hash_table (info
),
1338 elf_m68k_adjust_dynindx
,
1340 elf_hash_table (info
)->dynsymcount
+= c
;
1346 /* Increment the index of a dynamic symbol by a given amount. Called
1347 via elf_link_hash_traverse. */
1350 elf_m68k_adjust_dynindx (h
, cparg
)
1351 struct elf_link_hash_entry
*h
;
1354 int *cp
= (int *) cparg
;
1356 if (h
->dynindx
!= -1)
1361 /* This function is called via elf_m68k_link_hash_traverse if we are
1362 creating a shared object with -Bsymbolic. It discards the space
1363 allocated to copy PC relative relocs against symbols which are defined
1364 in regular objects. We allocated space for them in the check_relocs
1365 routine, but we won't fill them in in the relocate_section routine. */
1369 elf_m68k_discard_copies (h
, ignore
)
1370 struct elf_m68k_link_hash_entry
*h
;
1373 struct elf_m68k_pcrel_relocs_copied
*s
;
1375 /* We only discard relocs for symbols defined in a regular object. */
1376 if ((h
->root
.elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1379 for (s
= h
->pcrel_relocs_copied
; s
!= NULL
; s
= s
->next
)
1380 s
->section
->_raw_size
-= s
->count
* sizeof (Elf32_External_Rela
);
1385 /* Relocate an M68K ELF section. */
1388 elf_m68k_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
1389 contents
, relocs
, local_syms
, local_sections
)
1391 struct bfd_link_info
*info
;
1393 asection
*input_section
;
1395 Elf_Internal_Rela
*relocs
;
1396 Elf_Internal_Sym
*local_syms
;
1397 asection
**local_sections
;
1400 Elf_Internal_Shdr
*symtab_hdr
;
1401 struct elf_link_hash_entry
**sym_hashes
;
1402 bfd_vma
*local_got_offsets
;
1406 Elf_Internal_Rela
*rel
;
1407 Elf_Internal_Rela
*relend
;
1409 dynobj
= elf_hash_table (info
)->dynobj
;
1410 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
1411 sym_hashes
= elf_sym_hashes (input_bfd
);
1412 local_got_offsets
= elf_local_got_offsets (input_bfd
);
1419 relend
= relocs
+ input_section
->reloc_count
;
1420 for (; rel
< relend
; rel
++)
1423 reloc_howto_type
*howto
;
1424 unsigned long r_symndx
;
1425 struct elf_link_hash_entry
*h
;
1426 Elf_Internal_Sym
*sym
;
1429 bfd_reloc_status_type r
;
1431 r_type
= ELF32_R_TYPE (rel
->r_info
);
1432 if (r_type
< 0 || r_type
>= (int) R_68K_max
)
1434 bfd_set_error (bfd_error_bad_value
);
1437 howto
= howto_table
+ r_type
;
1439 r_symndx
= ELF32_R_SYM (rel
->r_info
);
1441 if (info
->relocateable
)
1443 /* This is a relocateable link. We don't have to change
1444 anything, unless the reloc is against a section symbol,
1445 in which case we have to adjust according to where the
1446 section symbol winds up in the output section. */
1447 if (r_symndx
< symtab_hdr
->sh_info
)
1449 sym
= local_syms
+ r_symndx
;
1450 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
1452 sec
= local_sections
[r_symndx
];
1453 rel
->r_addend
+= sec
->output_offset
+ sym
->st_value
;
1460 /* This is a final link. */
1464 if (r_symndx
< symtab_hdr
->sh_info
)
1466 sym
= local_syms
+ r_symndx
;
1467 sec
= local_sections
[r_symndx
];
1468 relocation
= (sec
->output_section
->vma
1469 + sec
->output_offset
1474 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1475 while (h
->root
.type
== bfd_link_hash_indirect
1476 || h
->root
.type
== bfd_link_hash_warning
)
1477 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1478 if (h
->root
.type
== bfd_link_hash_defined
1479 || h
->root
.type
== bfd_link_hash_defweak
)
1481 sec
= h
->root
.u
.def
.section
;
1482 if (((r_type
== R_68K_PLT8
1483 || r_type
== R_68K_PLT16
1484 || r_type
== R_68K_PLT32
1485 || r_type
== R_68K_PLT8O
1486 || r_type
== R_68K_PLT16O
1487 || r_type
== R_68K_PLT32O
)
1488 && h
->plt
.offset
!= (bfd_vma
) -1
1489 && elf_hash_table (info
)->dynamic_sections_created
)
1490 || ((r_type
== R_68K_GOT8O
1491 || r_type
== R_68K_GOT16O
1492 || r_type
== R_68K_GOT32O
1493 || ((r_type
== R_68K_GOT8
1494 || r_type
== R_68K_GOT16
1495 || r_type
== R_68K_GOT32
)
1496 && strcmp (h
->root
.root
.string
,
1497 "_GLOBAL_OFFSET_TABLE_") != 0))
1498 && elf_hash_table (info
)->dynamic_sections_created
1500 || (! info
->symbolic
&& h
->dynindx
!= -1)
1501 || (h
->elf_link_hash_flags
1502 & ELF_LINK_HASH_DEF_REGULAR
) == 0))
1504 && ((! info
->symbolic
&& h
->dynindx
!= -1)
1505 || (h
->elf_link_hash_flags
1506 & ELF_LINK_HASH_DEF_REGULAR
) == 0)
1507 && (input_section
->flags
& SEC_ALLOC
) != 0
1508 && (r_type
== R_68K_8
1509 || r_type
== R_68K_16
1510 || r_type
== R_68K_32
1511 || r_type
== R_68K_PC8
1512 || r_type
== R_68K_PC16
1513 || r_type
== R_68K_PC32
)))
1515 /* In these cases, we don't need the relocation
1516 value. We check specially because in some
1517 obscure cases sec->output_section will be NULL. */
1521 relocation
= (h
->root
.u
.def
.value
1522 + sec
->output_section
->vma
1523 + sec
->output_offset
);
1525 else if (h
->root
.type
== bfd_link_hash_undefweak
)
1527 else if (info
->shared
&& !info
->symbolic
&& !info
->no_undefined
)
1531 if (!(info
->callbacks
->undefined_symbol
1532 (info
, h
->root
.root
.string
, input_bfd
,
1533 input_section
, rel
->r_offset
)))
1544 /* Relocation is to the address of the entry for this symbol
1545 in the global offset table. */
1547 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1553 /* Relocation is the offset of the entry for this symbol in
1554 the global offset table. */
1561 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1562 BFD_ASSERT (sgot
!= NULL
);
1567 off
= h
->got
.offset
;
1568 BFD_ASSERT (off
!= (bfd_vma
) -1);
1570 if (!elf_hash_table (info
)->dynamic_sections_created
1572 && (info
->symbolic
|| h
->dynindx
== -1)
1573 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
)))
1575 /* This is actually a static link, or it is a
1576 -Bsymbolic link and the symbol is defined
1577 locally, or the symbol was forced to be local
1578 because of a version file.. We must initialize
1579 this entry in the global offset table. Since
1580 the offset must always be a multiple of 4, we
1581 use the least significant bit to record whether
1582 we have initialized it already.
1584 When doing a dynamic link, we create a .rela.got
1585 relocation entry to initialize the value. This
1586 is done in the finish_dynamic_symbol routine. */
1591 bfd_put_32 (output_bfd
, relocation
,
1592 sgot
->contents
+ off
);
1599 BFD_ASSERT (local_got_offsets
!= NULL
1600 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1602 off
= local_got_offsets
[r_symndx
];
1604 /* The offset must always be a multiple of 4. We use
1605 the least significant bit to record whether we have
1606 already generated the necessary reloc. */
1611 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
1616 Elf_Internal_Rela outrel
;
1618 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
1619 BFD_ASSERT (srelgot
!= NULL
);
1621 outrel
.r_offset
= (sgot
->output_section
->vma
1622 + sgot
->output_offset
1624 outrel
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
1625 outrel
.r_addend
= relocation
;
1626 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1627 (((Elf32_External_Rela
*)
1629 + srelgot
->reloc_count
));
1630 ++srelgot
->reloc_count
;
1633 local_got_offsets
[r_symndx
] |= 1;
1637 relocation
= sgot
->output_offset
+ off
;
1638 if (r_type
== R_68K_GOT8O
1639 || r_type
== R_68K_GOT16O
1640 || r_type
== R_68K_GOT32O
)
1642 /* This relocation does not use the addend. */
1646 relocation
+= sgot
->output_section
->vma
;
1653 /* Relocation is to the entry for this symbol in the
1654 procedure linkage table. */
1656 /* Resolve a PLTxx reloc against a local symbol directly,
1657 without using the procedure linkage table. */
1661 if (h
->plt
.offset
== (bfd_vma
) -1
1662 || !elf_hash_table (info
)->dynamic_sections_created
)
1664 /* We didn't make a PLT entry for this symbol. This
1665 happens when statically linking PIC code, or when
1666 using -Bsymbolic. */
1672 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1673 BFD_ASSERT (splt
!= NULL
);
1676 relocation
= (splt
->output_section
->vma
1677 + splt
->output_offset
1684 /* Relocation is the offset of the entry for this symbol in
1685 the procedure linkage table. */
1686 BFD_ASSERT (h
!= NULL
&& h
->plt
.offset
!= (bfd_vma
) -1);
1690 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1691 BFD_ASSERT (splt
!= NULL
);
1694 relocation
= h
->plt
.offset
;
1696 /* This relocation does not use the addend. */
1711 && (input_section
->flags
& SEC_ALLOC
) != 0
1712 && ((r_type
!= R_68K_PC8
1713 && r_type
!= R_68K_PC16
1714 && r_type
!= R_68K_PC32
)
1716 || (h
->elf_link_hash_flags
1717 & ELF_LINK_HASH_DEF_REGULAR
) == 0)))
1719 Elf_Internal_Rela outrel
;
1720 boolean skip
, relocate
;
1722 /* When generating a shared object, these relocations
1723 are copied into the output file to be resolved at run
1730 name
= (bfd_elf_string_from_elf_section
1732 elf_elfheader (input_bfd
)->e_shstrndx
,
1733 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1737 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
1738 && strcmp (bfd_get_section_name (input_bfd
,
1742 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1743 BFD_ASSERT (sreloc
!= NULL
);
1748 if (elf_section_data (input_section
)->stab_info
== NULL
)
1749 outrel
.r_offset
= rel
->r_offset
;
1754 off
= (_bfd_stab_section_offset
1755 (output_bfd
, &elf_hash_table (info
)->stab_info
,
1757 &elf_section_data (input_section
)->stab_info
,
1759 if (off
== (bfd_vma
) -1)
1761 outrel
.r_offset
= off
;
1764 outrel
.r_offset
+= (input_section
->output_section
->vma
1765 + input_section
->output_offset
);
1769 memset (&outrel
, 0, sizeof outrel
);
1772 /* h->dynindx may be -1 if the symbol was marked to
1775 && ((! info
->symbolic
&& h
->dynindx
!= -1)
1776 || (h
->elf_link_hash_flags
1777 & ELF_LINK_HASH_DEF_REGULAR
) == 0))
1779 BFD_ASSERT (h
->dynindx
!= -1);
1781 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, r_type
);
1782 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1786 if (r_type
== R_68K_32
)
1789 outrel
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
1790 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1797 sec
= local_sections
[r_symndx
];
1800 BFD_ASSERT (h
->root
.type
== bfd_link_hash_defined
1802 == bfd_link_hash_defweak
));
1803 sec
= h
->root
.u
.def
.section
;
1805 if (sec
!= NULL
&& bfd_is_abs_section (sec
))
1807 else if (sec
== NULL
|| sec
->owner
== NULL
)
1809 bfd_set_error (bfd_error_bad_value
);
1816 osec
= sec
->output_section
;
1817 indx
= elf_section_data (osec
)->dynindx
;
1818 BFD_ASSERT (indx
> 0);
1822 outrel
.r_info
= ELF32_R_INFO (indx
, r_type
);
1823 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1827 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1828 (((Elf32_External_Rela
*)
1830 + sreloc
->reloc_count
));
1831 ++sreloc
->reloc_count
;
1833 /* This reloc will be computed at runtime, so there's no
1834 need to do anything now, except for R_68K_32
1835 relocations that have been turned into
1843 case R_68K_GNU_VTINHERIT
:
1844 case R_68K_GNU_VTENTRY
:
1845 /* These are no-ops in the end. */
1852 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
1853 contents
, rel
->r_offset
,
1854 relocation
, rel
->r_addend
);
1856 if (r
!= bfd_reloc_ok
)
1861 case bfd_reloc_outofrange
:
1863 case bfd_reloc_overflow
:
1868 name
= h
->root
.root
.string
;
1871 name
= bfd_elf_string_from_elf_section (input_bfd
,
1872 symtab_hdr
->sh_link
,
1877 name
= bfd_section_name (input_bfd
, sec
);
1879 if (!(info
->callbacks
->reloc_overflow
1880 (info
, name
, howto
->name
, (bfd_vma
) 0,
1881 input_bfd
, input_section
, rel
->r_offset
)))
1892 /* Finish up dynamic symbol handling. We set the contents of various
1893 dynamic sections here. */
1896 elf_m68k_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
1898 struct bfd_link_info
*info
;
1899 struct elf_link_hash_entry
*h
;
1900 Elf_Internal_Sym
*sym
;
1903 int plt_off1
, plt_off2
, plt_off3
;
1905 dynobj
= elf_hash_table (info
)->dynobj
;
1907 if (h
->plt
.offset
!= (bfd_vma
) -1)
1914 Elf_Internal_Rela rela
;
1916 /* This symbol has an entry in the procedure linkage table. Set
1919 BFD_ASSERT (h
->dynindx
!= -1);
1921 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1922 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
1923 srela
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1924 BFD_ASSERT (splt
!= NULL
&& sgot
!= NULL
&& srela
!= NULL
);
1926 /* Get the index in the procedure linkage table which
1927 corresponds to this symbol. This is the index of this symbol
1928 in all the symbols for which we are making plt entries. The
1929 first entry in the procedure linkage table is reserved. */
1930 if ( CPU32_FLAG (output_bfd
))
1931 plt_index
= h
->plt
.offset
/ PLT_CPU32_ENTRY_SIZE
- 1;
1933 plt_index
= h
->plt
.offset
/ PLT_ENTRY_SIZE
- 1;
1935 /* Get the offset into the .got table of the entry that
1936 corresponds to this function. Each .got entry is 4 bytes.
1937 The first three are reserved. */
1938 got_offset
= (plt_index
+ 3) * 4;
1940 if ( CPU32_FLAG (output_bfd
))
1942 /* Fill in the entry in the procedure linkage table. */
1943 memcpy (splt
->contents
+ h
->plt
.offset
, elf_cpu32_plt_entry
,
1944 PLT_CPU32_ENTRY_SIZE
);
1951 /* Fill in the entry in the procedure linkage table. */
1952 memcpy (splt
->contents
+ h
->plt
.offset
, elf_m68k_plt_entry
,
1959 /* The offset is relative to the first extension word. */
1960 bfd_put_32 (output_bfd
,
1961 (sgot
->output_section
->vma
1962 + sgot
->output_offset
1964 - (splt
->output_section
->vma
1965 + h
->plt
.offset
+ 2)),
1966 splt
->contents
+ h
->plt
.offset
+ plt_off1
);
1968 bfd_put_32 (output_bfd
, plt_index
* sizeof (Elf32_External_Rela
),
1969 splt
->contents
+ h
->plt
.offset
+ plt_off2
);
1970 bfd_put_32 (output_bfd
, - (h
->plt
.offset
+ plt_off3
),
1971 splt
->contents
+ h
->plt
.offset
+ plt_off3
);
1973 /* Fill in the entry in the global offset table. */
1974 bfd_put_32 (output_bfd
,
1975 (splt
->output_section
->vma
1976 + splt
->output_offset
1979 sgot
->contents
+ got_offset
);
1981 /* Fill in the entry in the .rela.plt section. */
1982 rela
.r_offset
= (sgot
->output_section
->vma
1983 + sgot
->output_offset
1985 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_JMP_SLOT
);
1987 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
1988 ((Elf32_External_Rela
*) srela
->contents
1991 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1993 /* Mark the symbol as undefined, rather than as defined in
1994 the .plt section. Leave the value alone. */
1995 sym
->st_shndx
= SHN_UNDEF
;
1999 if (h
->got
.offset
!= (bfd_vma
) -1)
2003 Elf_Internal_Rela rela
;
2005 /* This symbol has an entry in the global offset table. Set it
2008 sgot
= bfd_get_section_by_name (dynobj
, ".got");
2009 srela
= bfd_get_section_by_name (dynobj
, ".rela.got");
2010 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
2012 rela
.r_offset
= (sgot
->output_section
->vma
2013 + sgot
->output_offset
2014 + (h
->got
.offset
&~ 1));
2016 /* If this is a -Bsymbolic link, and the symbol is defined
2017 locally, we just want to emit a RELATIVE reloc. Likewise if
2018 the symbol was forced to be local because of a version file.
2019 The entry in the global offset table will already have been
2020 initialized in the relocate_section function. */
2022 && (info
->symbolic
|| h
->dynindx
== -1)
2023 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
))
2025 rela
.r_info
= ELF32_R_INFO (0, R_68K_RELATIVE
);
2026 rela
.r_addend
= bfd_get_signed_32 (output_bfd
,
2028 + (h
->got
.offset
& ~1)));
2032 bfd_put_32 (output_bfd
, (bfd_vma
) 0,
2033 sgot
->contents
+ (h
->got
.offset
& ~1));
2034 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_GLOB_DAT
);
2038 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
2039 ((Elf32_External_Rela
*) srela
->contents
2040 + srela
->reloc_count
));
2041 ++srela
->reloc_count
;
2044 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_COPY
) != 0)
2047 Elf_Internal_Rela rela
;
2049 /* This symbol needs a copy reloc. Set it up. */
2051 BFD_ASSERT (h
->dynindx
!= -1
2052 && (h
->root
.type
== bfd_link_hash_defined
2053 || h
->root
.type
== bfd_link_hash_defweak
));
2055 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
2057 BFD_ASSERT (s
!= NULL
);
2059 rela
.r_offset
= (h
->root
.u
.def
.value
2060 + h
->root
.u
.def
.section
->output_section
->vma
2061 + h
->root
.u
.def
.section
->output_offset
);
2062 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_68K_COPY
);
2064 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
2065 ((Elf32_External_Rela
*) s
->contents
2070 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
2071 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
2072 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
2073 sym
->st_shndx
= SHN_ABS
;
2078 /* Finish up the dynamic sections. */
2081 elf_m68k_finish_dynamic_sections (output_bfd
, info
)
2083 struct bfd_link_info
*info
;
2088 int plt_entry0_size
, plt_off1
, plt_off2
;
2090 dynobj
= elf_hash_table (info
)->dynobj
;
2092 sgot
= bfd_get_section_by_name (dynobj
, ".got.plt");
2093 BFD_ASSERT (sgot
!= NULL
);
2094 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
2096 if (elf_hash_table (info
)->dynamic_sections_created
)
2099 Elf32_External_Dyn
*dyncon
, *dynconend
;
2101 splt
= bfd_get_section_by_name (dynobj
, ".plt");
2102 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
2104 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
2105 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->_raw_size
);
2106 for (; dyncon
< dynconend
; dyncon
++)
2108 Elf_Internal_Dyn dyn
;
2112 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
2125 s
= bfd_get_section_by_name (output_bfd
, name
);
2126 BFD_ASSERT (s
!= NULL
);
2127 dyn
.d_un
.d_ptr
= s
->vma
;
2128 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2132 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
2133 BFD_ASSERT (s
!= NULL
);
2134 if (s
->_cooked_size
!= 0)
2135 dyn
.d_un
.d_val
= s
->_cooked_size
;
2137 dyn
.d_un
.d_val
= s
->_raw_size
;
2138 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2142 /* The procedure linkage table relocs (DT_JMPREL) should
2143 not be included in the overall relocs (DT_RELA).
2144 Therefore, we override the DT_RELASZ entry here to
2145 make it not include the JMPREL relocs. Since the
2146 linker script arranges for .rela.plt to follow all
2147 other relocation sections, we don't have to worry
2148 about changing the DT_RELA entry. */
2149 s
= bfd_get_section_by_name (output_bfd
, ".rela.plt");
2152 if (s
->_cooked_size
!= 0)
2153 dyn
.d_un
.d_val
-= s
->_cooked_size
;
2155 dyn
.d_un
.d_val
-= s
->_raw_size
;
2157 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
2162 /* Fill in the first entry in the procedure linkage table. */
2163 if (splt
->_raw_size
> 0)
2165 if (!CPU32_FLAG (output_bfd
))
2167 memcpy (splt
->contents
, elf_m68k_plt0_entry
, PLT_ENTRY_SIZE
);
2168 bfd_put_32 (output_bfd
,
2169 (sgot
->output_section
->vma
2170 + sgot
->output_offset
+ 4
2171 - (splt
->output_section
->vma
+ 2)),
2172 splt
->contents
+ 4);
2173 bfd_put_32 (output_bfd
,
2174 (sgot
->output_section
->vma
2175 + sgot
->output_offset
+ 8
2176 - (splt
->output_section
->vma
+ 10)),
2177 splt
->contents
+ 12);
2178 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
2183 memcpy (splt
->contents
, elf_cpu32_plt0_entry
, PLT_CPU32_ENTRY_SIZE
);
2184 bfd_put_32 (output_bfd
,
2185 (sgot
->output_section
->vma
2186 + sgot
->output_offset
+ 4
2187 - (splt
->output_section
->vma
+ 2)),
2188 splt
->contents
+ 4);
2189 bfd_put_32 (output_bfd
,
2190 (sgot
->output_section
->vma
2191 + sgot
->output_offset
+ 8
2192 - (splt
->output_section
->vma
+ 10)),
2193 splt
->contents
+ 10);
2194 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
2195 = PLT_CPU32_ENTRY_SIZE
;
2200 /* Fill in the first three entries in the global offset table. */
2201 if (sgot
->_raw_size
> 0)
2204 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
2206 bfd_put_32 (output_bfd
,
2207 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
2209 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 4);
2210 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ 8);
2213 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
2219 Elf_Internal_Sym sym
;
2222 /* Set up the section symbols for the output sections. */
2224 sdynsym
= bfd_get_section_by_name (dynobj
, ".dynsym");
2225 BFD_ASSERT (sdynsym
!= NULL
);
2229 sym
.st_info
= ELF_ST_INFO (STB_LOCAL
, STT_SECTION
);
2233 for (s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
)
2237 if (elf_section_data (s
)->dynindx
== 0)
2240 sym
.st_value
= s
->vma
;
2242 indx
= elf_section_data (s
)->this_idx
;
2243 BFD_ASSERT (indx
> 0);
2244 sym
.st_shndx
= indx
;
2246 bfd_elf32_swap_symbol_out (output_bfd
, &sym
,
2247 (PTR
) (((Elf32_External_Sym
*)
2249 + elf_section_data (s
)->dynindx
));
2254 /* Set the sh_info field of the output .dynsym section to the
2255 index of the first global symbol. */
2256 elf_section_data (sdynsym
->output_section
)->this_hdr
.sh_info
= c
+ 1;
2262 #define TARGET_BIG_SYM bfd_elf32_m68k_vec
2263 #define TARGET_BIG_NAME "elf32-m68k"
2264 #define ELF_MACHINE_CODE EM_68K
2265 #define ELF_MAXPAGESIZE 0x2000
2266 #define elf_backend_create_dynamic_sections \
2267 _bfd_elf_create_dynamic_sections
2268 #define bfd_elf32_bfd_link_hash_table_create \
2269 elf_m68k_link_hash_table_create
2270 #define bfd_elf32_bfd_final_link _bfd_elf32_gc_common_final_link
2272 #define elf_backend_check_relocs elf_m68k_check_relocs
2273 #define elf_backend_adjust_dynamic_symbol \
2274 elf_m68k_adjust_dynamic_symbol
2275 #define elf_backend_size_dynamic_sections \
2276 elf_m68k_size_dynamic_sections
2277 #define elf_backend_relocate_section elf_m68k_relocate_section
2278 #define elf_backend_finish_dynamic_symbol \
2279 elf_m68k_finish_dynamic_symbol
2280 #define elf_backend_finish_dynamic_sections \
2281 elf_m68k_finish_dynamic_sections
2282 #define elf_backend_gc_mark_hook elf_m68k_gc_mark_hook
2283 #define elf_backend_gc_sweep_hook elf_m68k_gc_sweep_hook
2284 #define bfd_elf32_bfd_copy_private_bfd_data \
2285 elf32_m68k_copy_private_bfd_data
2286 #define bfd_elf32_bfd_merge_private_bfd_data \
2287 elf32_m68k_merge_private_bfd_data
2288 #define bfd_elf32_bfd_set_private_flags \
2289 elf32_m68k_set_private_flags
2290 #define bfd_elf32_bfd_print_private_bfd_data \
2291 elf32_m68k_print_private_bfd_data
2293 #define elf_backend_can_gc_sections 1
2294 #define elf_backend_want_got_plt 1
2295 #define elf_backend_plt_readonly 1
2296 #define elf_backend_want_plt_sym 0
2297 #define elf_backend_got_header_size 12
2299 #include "elf32-target.h"