1 /* SPARC-specific support for 32-bit ELF
2 Copyright 1993, 1994, 1995 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. */
26 static reloc_howto_type
*bfd_elf32_bfd_reloc_type_lookup
27 PARAMS ((bfd
*, bfd_reloc_code_real_type
));
28 static void elf_info_to_howto
29 PARAMS ((bfd
*, arelent
*, Elf_Internal_Rela
*));
30 static boolean elf32_sparc_check_relocs
31 PARAMS ((bfd
*, struct bfd_link_info
*, asection
*,
32 const Elf_Internal_Rela
*));
33 static boolean elf32_sparc_adjust_dynamic_symbol
34 PARAMS ((struct bfd_link_info
*, struct elf_link_hash_entry
*));
35 static boolean elf32_sparc_adjust_dynindx
36 PARAMS ((struct elf_link_hash_entry
*, PTR
));
37 static boolean elf32_sparc_size_dynamic_sections
38 PARAMS ((bfd
*, struct bfd_link_info
*));
39 static boolean elf32_sparc_relocate_section
40 PARAMS ((bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
41 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**));
42 static boolean elf32_sparc_finish_dynamic_symbol
43 PARAMS ((bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
45 static boolean elf32_sparc_finish_dynamic_sections
46 PARAMS ((bfd
*, struct bfd_link_info
*));
51 R_SPARC_8
, R_SPARC_16
, R_SPARC_32
,
52 R_SPARC_DISP8
, R_SPARC_DISP16
, R_SPARC_DISP32
,
53 R_SPARC_WDISP30
, R_SPARC_WDISP22
,
54 R_SPARC_HI22
, R_SPARC_22
,
55 R_SPARC_13
, R_SPARC_LO10
,
56 R_SPARC_GOT10
, R_SPARC_GOT13
, R_SPARC_GOT22
,
57 R_SPARC_PC10
, R_SPARC_PC22
,
60 R_SPARC_GLOB_DAT
, R_SPARC_JMP_SLOT
,
67 static CONST
char *CONST reloc_type_names
[] =
70 "R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
71 "R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
72 "R_SPARC_WDISP30", "R_SPARC_WDISP22",
73 "R_SPARC_HI22", "R_SPARC_22",
74 "R_SPARC_13", "R_SPARC_LO10",
75 "R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
76 "R_SPARC_PC10", "R_SPARC_PC22",
79 "R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
85 static reloc_howto_type elf_sparc_howto_table
[] =
87 HOWTO(R_SPARC_NONE
, 0,0, 0,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_NONE", false,0,0x00000000,true),
88 HOWTO(R_SPARC_8
, 0,0, 8,false,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_8", false,0,0x000000ff,true),
89 HOWTO(R_SPARC_16
, 0,1,16,false,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_16", false,0,0x0000ffff,true),
90 HOWTO(R_SPARC_32
, 0,2,32,false,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_32", false,0,0xffffffff,true),
91 HOWTO(R_SPARC_DISP8
, 0,0, 8,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_DISP8", false,0,0x000000ff,true),
92 HOWTO(R_SPARC_DISP16
, 0,1,16,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_DISP16", false,0,0x0000ffff,true),
93 HOWTO(R_SPARC_DISP32
, 0,2,32,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_DISP32", false,0,0x00ffffff,true),
94 HOWTO(R_SPARC_WDISP30
, 2,2,30,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_WDISP30", false,0,0x3fffffff,true),
95 HOWTO(R_SPARC_WDISP22
, 2,2,22,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_WDISP22", false,0,0x003fffff,true),
96 HOWTO(R_SPARC_HI22
, 10,2,22,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_HI22", false,0,0x003fffff,true),
97 HOWTO(R_SPARC_22
, 0,2,22,false,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_22", false,0,0x003fffff,true),
98 HOWTO(R_SPARC_13
, 0,2,13,false,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_13", false,0,0x00001fff,true),
99 HOWTO(R_SPARC_LO10
, 0,2,10,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_LO10", false,0,0x000003ff,true),
100 HOWTO(R_SPARC_GOT10
, 0,2,10,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_GOT10", false,0,0x000003ff,true),
101 HOWTO(R_SPARC_GOT13
, 0,2,13,false,0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_GOT13", false,0,0x00001fff,true),
102 HOWTO(R_SPARC_GOT22
, 10,2,22,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_GOT22", false,0,0x003fffff,true),
103 HOWTO(R_SPARC_PC10
, 0,2,10,true, 0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_PC10", false,0,0x000003ff,true),
104 HOWTO(R_SPARC_PC22
, 10,2,22,true, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_PC22", false,0,0x003fffff,true),
105 HOWTO(R_SPARC_WPLT30
, 2,2,30,true, 0,complain_overflow_signed
, bfd_elf_generic_reloc
,"R_SPARC_WPLT30", false,0,0x3fffffff,true),
106 HOWTO(R_SPARC_COPY
, 0,0,00,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_COPY", false,0,0x00000000,true),
107 HOWTO(R_SPARC_GLOB_DAT
,0,0,00,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_GLOB_DAT",false,0,0x00000000,true),
108 HOWTO(R_SPARC_JMP_SLOT
,0,0,00,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_JMP_SLOT",false,0,0x00000000,true),
109 HOWTO(R_SPARC_RELATIVE
,0,0,00,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_RELATIVE",false,0,0x00000000,true),
110 HOWTO(R_SPARC_UA32
, 0,0,00,false,0,complain_overflow_dont
, bfd_elf_generic_reloc
,"R_SPARC_UA32", false,0,0x00000000,true),
113 struct elf_reloc_map
{
114 unsigned char bfd_reloc_val
;
115 unsigned char elf_reloc_val
;
118 static CONST
struct elf_reloc_map sparc_reloc_map
[] =
120 { BFD_RELOC_NONE
, R_SPARC_NONE
, },
121 { BFD_RELOC_16
, R_SPARC_16
, },
122 { BFD_RELOC_8
, R_SPARC_8
},
123 { BFD_RELOC_8_PCREL
, R_SPARC_DISP8
},
124 { BFD_RELOC_CTOR
, R_SPARC_32
}, /* @@ Assumes 32 bits. */
125 { BFD_RELOC_32
, R_SPARC_32
},
126 { BFD_RELOC_32_PCREL
, R_SPARC_DISP32
},
127 { BFD_RELOC_HI22
, R_SPARC_HI22
},
128 { BFD_RELOC_LO10
, R_SPARC_LO10
, },
129 { BFD_RELOC_32_PCREL_S2
, R_SPARC_WDISP30
},
130 { BFD_RELOC_SPARC22
, R_SPARC_22
},
131 { BFD_RELOC_SPARC13
, R_SPARC_13
},
132 { BFD_RELOC_SPARC_GOT10
, R_SPARC_GOT10
},
133 { BFD_RELOC_SPARC_GOT13
, R_SPARC_GOT13
},
134 { BFD_RELOC_SPARC_GOT22
, R_SPARC_GOT22
},
135 { BFD_RELOC_SPARC_PC10
, R_SPARC_PC10
},
136 { BFD_RELOC_SPARC_PC22
, R_SPARC_PC22
},
137 { BFD_RELOC_SPARC_WPLT30
, R_SPARC_WPLT30
},
138 { BFD_RELOC_SPARC_COPY
, R_SPARC_COPY
},
139 { BFD_RELOC_SPARC_GLOB_DAT
, R_SPARC_GLOB_DAT
},
140 { BFD_RELOC_SPARC_JMP_SLOT
, R_SPARC_JMP_SLOT
},
141 { BFD_RELOC_SPARC_RELATIVE
, R_SPARC_RELATIVE
},
142 { BFD_RELOC_SPARC_WDISP22
, R_SPARC_WDISP22
},
143 /*{ BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
146 static reloc_howto_type
*
147 bfd_elf32_bfd_reloc_type_lookup (abfd
, code
)
149 bfd_reloc_code_real_type code
;
152 for (i
= 0; i
< sizeof (sparc_reloc_map
) / sizeof (struct elf_reloc_map
); i
++)
154 if (sparc_reloc_map
[i
].bfd_reloc_val
== code
)
155 return &elf_sparc_howto_table
[(int) sparc_reloc_map
[i
].elf_reloc_val
];
161 elf_info_to_howto (abfd
, cache_ptr
, dst
)
164 Elf_Internal_Rela
*dst
;
166 BFD_ASSERT (ELF32_R_TYPE(dst
->r_info
) < (unsigned int) R_SPARC_max
);
167 cache_ptr
->howto
= &elf_sparc_howto_table
[ELF32_R_TYPE(dst
->r_info
)];
171 /* Functions for the SPARC ELF linker. */
173 /* The name of the dynamic interpreter. This is put in the .interp
176 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
178 /* The nop opcode we use. */
180 #define SPARC_NOP 0x01000000
182 /* The size in bytes of an entry in the procedure linkage table. */
184 #define PLT_ENTRY_SIZE 12
186 /* The first four entries in a procedure linkage table are reserved,
187 and the initial contents are unimportant (we zero them out).
188 Subsequent entries look like this. See the SVR4 ABI SPARC
189 supplement to see how this works. */
191 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
192 #define PLT_ENTRY_WORD0 0x03000000
193 /* b,a .plt0. We fill in the offset later. */
194 #define PLT_ENTRY_WORD1 0x30800000
196 #define PLT_ENTRY_WORD2 SPARC_NOP
198 /* Look through the relocs for a section during the first phase, and
199 allocate space in the global offset table or procedure linkage
203 elf32_sparc_check_relocs (abfd
, info
, sec
, relocs
)
205 struct bfd_link_info
*info
;
207 const Elf_Internal_Rela
*relocs
;
210 Elf_Internal_Shdr
*symtab_hdr
;
211 struct elf_link_hash_entry
**sym_hashes
;
212 bfd_vma
*local_got_offsets
;
213 const Elf_Internal_Rela
*rel
;
214 const Elf_Internal_Rela
*rel_end
;
219 if (info
->relocateable
)
222 dynobj
= elf_hash_table (info
)->dynobj
;
223 symtab_hdr
= &elf_tdata (abfd
)->symtab_hdr
;
224 sym_hashes
= elf_sym_hashes (abfd
);
225 local_got_offsets
= elf_local_got_offsets (abfd
);
231 rel_end
= relocs
+ sec
->reloc_count
;
232 for (rel
= relocs
; rel
< rel_end
; rel
++)
234 unsigned long r_symndx
;
235 struct elf_link_hash_entry
*h
;
237 r_symndx
= ELF32_R_SYM (rel
->r_info
);
238 if (r_symndx
< symtab_hdr
->sh_info
)
241 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
243 switch (ELF32_R_TYPE (rel
->r_info
))
248 /* This symbol requires a global offset table entry. */
252 /* Create the .got section. */
253 elf_hash_table (info
)->dynobj
= dynobj
= abfd
;
254 if (! _bfd_elf_create_got_section (dynobj
, info
))
260 sgot
= bfd_get_section_by_name (dynobj
, ".got");
261 BFD_ASSERT (sgot
!= NULL
);
265 && (h
!= NULL
|| info
->shared
))
267 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
270 srelgot
= bfd_make_section (dynobj
, ".rela.got");
272 || ! bfd_set_section_flags (dynobj
, srelgot
,
278 || ! bfd_set_section_alignment (dynobj
, srelgot
, 2))
285 if (h
->got_offset
!= (bfd_vma
) -1)
287 /* We have already allocated space in the .got. */
290 h
->got_offset
= sgot
->_raw_size
;
292 /* Make sure this symbol is output as a dynamic symbol. */
293 if (h
->dynindx
== -1)
295 if (! bfd_elf32_link_record_dynamic_symbol (info
, h
))
299 srelgot
->_raw_size
+= sizeof (Elf32_External_Rela
);
303 /* This is a global offset table entry for a local
305 if (local_got_offsets
== NULL
)
308 register unsigned int i
;
310 size
= symtab_hdr
->sh_info
* sizeof (bfd_vma
);
311 local_got_offsets
= (bfd_vma
*) bfd_alloc (abfd
, size
);
312 if (local_got_offsets
== NULL
)
314 elf_local_got_offsets (abfd
) = local_got_offsets
;
315 for (i
= 0; i
< symtab_hdr
->sh_info
; i
++)
316 local_got_offsets
[i
] = (bfd_vma
) -1;
318 if (local_got_offsets
[r_symndx
] != (bfd_vma
) -1)
320 /* We have already allocated space in the .got. */
323 local_got_offsets
[r_symndx
] = sgot
->_raw_size
;
327 /* If we are generating a shared object, we need to
328 output a R_SPARC_RELATIVE reloc so that the
329 dynamic linker can adjust this GOT entry. */
330 srelgot
->_raw_size
+= sizeof (Elf32_External_Rela
);
334 sgot
->_raw_size
+= 4;
339 /* This symbol requires a procedure linkage table entry. We
340 actually build the entry in adjust_dynamic_symbol,
341 because this might be a case of linking PIC code without
342 linking in any dynamic objects, in which case we don't
343 need to generate a procedure linkage table after all. */
347 /* It does not make sense to have a procedure linkage
348 table entry for a local symbol. */
349 bfd_set_error (bfd_error_bad_value
);
353 /* Make sure this symbol is output as a dynamic symbol. */
354 if (h
->dynindx
== -1)
356 if (! bfd_elf32_link_record_dynamic_symbol (info
, h
))
360 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_PLT
;
367 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
373 case R_SPARC_WDISP30
:
374 case R_SPARC_WDISP22
:
387 && (sec
->flags
& SEC_ALLOC
) != 0)
389 /* When creating a shared object, we must copy these
390 relocs into the output file. We create a reloc
391 section in dynobj and make room for the reloc. */
396 name
= (bfd_elf_string_from_elf_section
398 elf_elfheader (abfd
)->e_shstrndx
,
399 elf_section_data (sec
)->rel_hdr
.sh_name
));
403 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
404 && strcmp (bfd_get_section_name (abfd
, sec
),
407 sreloc
= bfd_get_section_by_name (dynobj
, name
);
410 sreloc
= bfd_make_section (dynobj
, name
);
412 || ! bfd_set_section_flags (dynobj
, sreloc
,
418 || ! bfd_set_section_alignment (dynobj
, sreloc
, 2))
423 sreloc
->_raw_size
+= sizeof (Elf32_External_Rela
);
436 /* Adjust a symbol defined by a dynamic object and referenced by a
437 regular object. The current definition is in some section of the
438 dynamic object, but we're not including those sections. We have to
439 change the definition to something the rest of the link can
443 elf32_sparc_adjust_dynamic_symbol (info
, h
)
444 struct bfd_link_info
*info
;
445 struct elf_link_hash_entry
*h
;
449 unsigned int power_of_two
;
451 dynobj
= elf_hash_table (info
)->dynobj
;
453 /* Make sure we know what is going on here. */
454 BFD_ASSERT (dynobj
!= NULL
455 && ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
)
456 || h
->weakdef
!= NULL
457 || ((h
->elf_link_hash_flags
458 & ELF_LINK_HASH_DEF_DYNAMIC
) != 0
459 && (h
->elf_link_hash_flags
460 & ELF_LINK_HASH_REF_REGULAR
) != 0
461 && (h
->elf_link_hash_flags
462 & ELF_LINK_HASH_DEF_REGULAR
) == 0)));
464 /* If this is a function, put it in the procedure linkage table. We
465 will fill in the contents of the procedure linkage table later
466 (although we could actually do it here). */
467 if (h
->type
== STT_FUNC
468 || (h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0)
470 if (! elf_hash_table (info
)->dynamic_sections_created
)
472 /* This case can occur if we saw a WPLT30 reloc in an input
473 file, but none of the input files were dynamic objects.
474 In such a case, we don't actually need to build a
475 procedure linkage table, and we can just do a WDISP30
477 BFD_ASSERT ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_PLT
) != 0);
481 s
= bfd_get_section_by_name (dynobj
, ".plt");
482 BFD_ASSERT (s
!= NULL
);
484 /* The first four entries in .plt are reserved. */
485 if (s
->_raw_size
== 0)
486 s
->_raw_size
= 4 * PLT_ENTRY_SIZE
;
488 /* The procedure linkage table has a maximum size. */
489 if (s
->_raw_size
>= 0x400000)
491 bfd_set_error (bfd_error_bad_value
);
495 /* If this symbol is not defined in a regular file, and we are
496 not generating a shared library, then set the symbol to this
497 location in the .plt. This is required to make function
498 pointers compare as equal between the normal executable and
499 the shared library. */
501 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
503 h
->root
.u
.def
.section
= s
;
504 h
->root
.u
.def
.value
= s
->_raw_size
;
507 h
->plt_offset
= s
->_raw_size
;
509 /* Make room for this entry. */
510 s
->_raw_size
+= PLT_ENTRY_SIZE
;
512 /* We also need to make an entry in the .rela.plt section. */
514 s
= bfd_get_section_by_name (dynobj
, ".rela.plt");
515 BFD_ASSERT (s
!= NULL
);
516 s
->_raw_size
+= sizeof (Elf32_External_Rela
);
521 /* If this is a weak symbol, and there is a real definition, the
522 processor independent code will have arranged for us to see the
523 real definition first, and we can just use the same value. */
524 if (h
->weakdef
!= NULL
)
526 BFD_ASSERT (h
->weakdef
->root
.type
== bfd_link_hash_defined
527 || h
->weakdef
->root
.type
== bfd_link_hash_defweak
);
528 h
->root
.u
.def
.section
= h
->weakdef
->root
.u
.def
.section
;
529 h
->root
.u
.def
.value
= h
->weakdef
->root
.u
.def
.value
;
533 /* This is a reference to a symbol defined by a dynamic object which
534 is not a function. */
536 /* If we are creating a shared library, we must presume that the
537 only references to the symbol are via the global offset table.
538 For such cases we need not do anything here; the relocations will
539 be handled correctly by relocate_section. */
543 /* We must allocate the symbol in our .dynbss section, which will
544 become part of the .bss section of the executable. There will be
545 an entry for this symbol in the .dynsym section. The dynamic
546 object will contain position independent code, so all references
547 from the dynamic object to this symbol will go through the global
548 offset table. The dynamic linker will use the .dynsym entry to
549 determine the address it must put in the global offset table, so
550 both the dynamic object and the regular object will refer to the
551 same memory location for the variable. */
553 s
= bfd_get_section_by_name (dynobj
, ".dynbss");
554 BFD_ASSERT (s
!= NULL
);
556 /* If the symbol is currently defined in the .bss section of the
557 dynamic object, then it is OK to simply initialize it to zero.
558 If the symbol is in some other section, we must generate a
559 R_SPARC_COPY reloc to tell the dynamic linker to copy the initial
560 value out of the dynamic object and into the runtime process
561 image. We need to remember the offset into the .rel.bss section
562 we are going to use. */
563 if ((h
->root
.u
.def
.section
->flags
& SEC_LOAD
) != 0)
567 srel
= bfd_get_section_by_name (dynobj
, ".rela.bss");
568 BFD_ASSERT (srel
!= NULL
);
569 srel
->_raw_size
+= sizeof (Elf32_External_Rela
);
570 h
->elf_link_hash_flags
|= ELF_LINK_HASH_NEEDS_COPY
;
573 /* We need to figure out the alignment required for this symbol. I
574 have no idea how ELF linkers handle this. */
575 power_of_two
= bfd_log2 (h
->size
);
576 if (power_of_two
> 3)
579 /* Apply the required alignment. */
580 s
->_raw_size
= BFD_ALIGN (s
->_raw_size
,
581 (bfd_size_type
) (1 << power_of_two
));
582 if (power_of_two
> bfd_get_section_alignment (dynobj
, s
))
584 if (! bfd_set_section_alignment (dynobj
, s
, power_of_two
))
588 /* Define the symbol as being at this point in the section. */
589 h
->root
.u
.def
.section
= s
;
590 h
->root
.u
.def
.value
= s
->_raw_size
;
592 /* Increment the section size to make room for the symbol. */
593 s
->_raw_size
+= h
->size
;
598 /* Set the sizes of the dynamic sections. */
601 elf32_sparc_size_dynamic_sections (output_bfd
, info
)
603 struct bfd_link_info
*info
;
610 dynobj
= elf_hash_table (info
)->dynobj
;
611 BFD_ASSERT (dynobj
!= NULL
);
613 if (elf_hash_table (info
)->dynamic_sections_created
)
615 /* Set the contents of the .interp section to the interpreter. */
618 s
= bfd_get_section_by_name (dynobj
, ".interp");
619 BFD_ASSERT (s
!= NULL
);
620 s
->_raw_size
= sizeof ELF_DYNAMIC_INTERPRETER
;
621 s
->contents
= (unsigned char *) ELF_DYNAMIC_INTERPRETER
;
624 /* Make space for the trailing nop in .plt. */
625 s
= bfd_get_section_by_name (dynobj
, ".plt");
626 BFD_ASSERT (s
!= NULL
);
627 if (s
->_raw_size
> 0)
632 /* We may have created entries in the .rela.got section.
633 However, if we are not creating the dynamic sections, we will
634 not actually use these entries. Reset the size of .rela.got,
635 which will cause it to get stripped from the output file
637 s
= bfd_get_section_by_name (dynobj
, ".rela.got");
642 /* The check_relocs and adjust_dynamic_symbol entry points have
643 determined the sizes of the various dynamic sections. Allocate
647 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
652 if ((s
->flags
& SEC_IN_MEMORY
) == 0)
655 /* It's OK to base decisions on the section name, because none
656 of the dynobj section names depend upon the input files. */
657 name
= bfd_get_section_name (dynobj
, s
);
661 if (strncmp (name
, ".rela", 5) == 0)
663 if (s
->_raw_size
== 0)
665 /* If we don't need this section, strip it from the
666 output file. This is to handle .rela.bss and
667 .rel.plt. We must create it in
668 create_dynamic_sections, because it must be created
669 before the linker maps input sections to output
670 sections. The linker does that before
671 adjust_dynamic_symbol is called, and it is that
672 function which decides whether anything needs to go
673 into these sections. */
680 /* If this relocation section applies to a read only
681 section, then we probably need a DT_TEXTREL entry. */
682 target
= bfd_get_section_by_name (output_bfd
, name
+ 5);
684 && (target
->flags
& SEC_READONLY
) != 0)
687 if (strcmp (name
, ".rela.plt") == 0)
690 /* We use the reloc_count field as a counter if we need
691 to copy relocs into the output file. */
695 else if (strcmp (name
, ".plt") != 0
696 && strcmp (name
, ".got") != 0)
698 /* It's not one of our sections, so don't allocate space. */
706 for (spp
= &s
->output_section
->owner
->sections
;
707 *spp
!= s
->output_section
;
710 *spp
= s
->output_section
->next
;
711 --s
->output_section
->owner
->section_count
;
716 /* Allocate memory for the section contents. */
717 s
->contents
= (bfd_byte
*) bfd_alloc (dynobj
, s
->_raw_size
);
718 if (s
->contents
== NULL
&& s
->_raw_size
!= 0)
722 if (elf_hash_table (info
)->dynamic_sections_created
)
724 /* Add some entries to the .dynamic section. We fill in the
725 values later, in elf32_sparc_finish_dynamic_sections, but we
726 must add the entries now so that we get the correct size for
727 the .dynamic section. The DT_DEBUG entry is filled in by the
728 dynamic linker and used by the debugger. */
731 if (! bfd_elf32_add_dynamic_entry (info
, DT_DEBUG
, 0))
735 if (! bfd_elf32_add_dynamic_entry (info
, DT_PLTGOT
, 0))
740 if (! bfd_elf32_add_dynamic_entry (info
, DT_PLTRELSZ
, 0)
741 || ! bfd_elf32_add_dynamic_entry (info
, DT_PLTREL
, DT_RELA
)
742 || ! bfd_elf32_add_dynamic_entry (info
, DT_JMPREL
, 0))
746 if (! bfd_elf32_add_dynamic_entry (info
, DT_RELA
, 0)
747 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELASZ
, 0)
748 || ! bfd_elf32_add_dynamic_entry (info
, DT_RELAENT
,
749 sizeof (Elf32_External_Rela
)))
754 if (! bfd_elf32_add_dynamic_entry (info
, DT_TEXTREL
, 0))
759 /* If we are generating a shared library, we generate a section
760 symbol for each output section. These are local symbols, which
761 means that they must come first in the dynamic symbol table.
762 That means we must increment the dynamic symbol index of every
763 other dynamic symbol. */
768 c
= bfd_count_sections (output_bfd
);
769 elf_link_hash_traverse (elf_hash_table (info
),
770 elf32_sparc_adjust_dynindx
,
772 elf_hash_table (info
)->dynsymcount
+= c
;
774 for (i
= 1, s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
, i
++)
776 elf_section_data (s
)->dynindx
= i
;
777 /* These symbols will have no names, so we don't need to
778 fiddle with dynstr_index. */
785 /* Increment the index of a dynamic symbol by a given amount. Called
786 via elf_link_hash_traverse. */
789 elf32_sparc_adjust_dynindx (h
, cparg
)
790 struct elf_link_hash_entry
*h
;
793 int *cp
= (int *) cparg
;
795 if (h
->dynindx
!= -1)
800 /* Relocate a SPARC ELF section. */
803 elf32_sparc_relocate_section (output_bfd
, info
, input_bfd
, input_section
,
804 contents
, relocs
, local_syms
, local_sections
)
806 struct bfd_link_info
*info
;
808 asection
*input_section
;
810 Elf_Internal_Rela
*relocs
;
811 Elf_Internal_Sym
*local_syms
;
812 asection
**local_sections
;
815 Elf_Internal_Shdr
*symtab_hdr
;
816 struct elf_link_hash_entry
**sym_hashes
;
817 bfd_vma
*local_got_offsets
;
821 Elf_Internal_Rela
*rel
;
822 Elf_Internal_Rela
*relend
;
824 dynobj
= elf_hash_table (info
)->dynobj
;
825 symtab_hdr
= &elf_tdata (input_bfd
)->symtab_hdr
;
826 sym_hashes
= elf_sym_hashes (input_bfd
);
827 local_got_offsets
= elf_local_got_offsets (input_bfd
);
834 relend
= relocs
+ input_section
->reloc_count
;
835 for (; rel
< relend
; rel
++)
838 reloc_howto_type
*howto
;
839 unsigned long r_symndx
;
840 struct elf_link_hash_entry
*h
;
841 Elf_Internal_Sym
*sym
;
844 bfd_reloc_status_type r
;
846 r_type
= ELF32_R_TYPE (rel
->r_info
);
847 if (r_type
< 0 || r_type
>= (int) R_SPARC_max
)
849 bfd_set_error (bfd_error_bad_value
);
852 howto
= elf_sparc_howto_table
+ r_type
;
854 r_symndx
= ELF32_R_SYM (rel
->r_info
);
856 if (info
->relocateable
)
858 /* This is a relocateable link. We don't have to change
859 anything, unless the reloc is against a section symbol,
860 in which case we have to adjust according to where the
861 section symbol winds up in the output section. */
862 if (r_symndx
< symtab_hdr
->sh_info
)
864 sym
= local_syms
+ r_symndx
;
865 if (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
)
867 sec
= local_sections
[r_symndx
];
868 rel
->r_addend
+= sec
->output_offset
+ sym
->st_value
;
875 /* This is a final link. */
879 if (r_symndx
< symtab_hdr
->sh_info
)
881 sym
= local_syms
+ r_symndx
;
882 sec
= local_sections
[r_symndx
];
883 relocation
= (sec
->output_section
->vma
889 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
890 if (h
->root
.type
== bfd_link_hash_defined
891 || h
->root
.type
== bfd_link_hash_defweak
)
893 sec
= h
->root
.u
.def
.section
;
894 if ((r_type
== R_SPARC_WPLT30
895 && h
->plt_offset
!= (bfd_vma
) -1)
896 || ((r_type
== R_SPARC_GOT10
897 || r_type
== R_SPARC_GOT13
898 || r_type
== R_SPARC_GOT22
)
899 && elf_hash_table (info
)->dynamic_sections_created
902 || (h
->elf_link_hash_flags
903 & ELF_LINK_HASH_DEF_REGULAR
) == 0))
905 && (input_section
->flags
& SEC_ALLOC
) != 0
906 && (r_type
== R_SPARC_8
907 || r_type
== R_SPARC_16
908 || r_type
== R_SPARC_32
909 || r_type
== R_SPARC_DISP8
910 || r_type
== R_SPARC_DISP16
911 || r_type
== R_SPARC_DISP32
912 || r_type
== R_SPARC_WDISP30
913 || r_type
== R_SPARC_WDISP22
914 || r_type
== R_SPARC_HI22
915 || r_type
== R_SPARC_22
916 || r_type
== R_SPARC_13
917 || r_type
== R_SPARC_LO10
918 || r_type
== R_SPARC_UA32
919 || ((r_type
== R_SPARC_PC10
920 || r_type
== R_SPARC_PC22
)
921 && strcmp (h
->root
.root
.string
,
922 "_GLOBAL_OFFSET_TABLE_") != 0))))
924 /* In these cases, we don't need the relocation
925 value. We check specially because in some
926 obscure cases sec->output_section will be NULL. */
930 relocation
= (h
->root
.u
.def
.value
931 + sec
->output_section
->vma
932 + sec
->output_offset
);
934 else if (h
->root
.type
== bfd_link_hash_undefweak
)
936 else if (info
->shared
&& !info
->symbolic
)
940 if (! ((*info
->callbacks
->undefined_symbol
)
941 (info
, h
->root
.root
.string
, input_bfd
,
942 input_section
, rel
->r_offset
)))
953 /* Relocation is to the entry for this symbol in the global
957 sgot
= bfd_get_section_by_name (dynobj
, ".got");
958 BFD_ASSERT (sgot
!= NULL
);
966 BFD_ASSERT (off
!= (bfd_vma
) -1);
968 if (! elf_hash_table (info
)->dynamic_sections_created
971 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
)))
973 /* This is actually a static link, or it is a
974 -Bsymbolic link and the symbol is defined
975 locally. We must initialize this entry in the
976 global offset table. Since the offset must
977 always be a multiple of 4, we use the least
978 significant bit to record whether we have
979 initialized it already.
981 When doing a dynamic link, we create a .rela.got
982 relocation entry to initialize the value. This
983 is done in the finish_dynamic_symbol routine. */
988 bfd_put_32 (output_bfd
, relocation
,
989 sgot
->contents
+ off
);
994 relocation
= sgot
->output_offset
+ off
;
1000 BFD_ASSERT (local_got_offsets
!= NULL
1001 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
1003 off
= local_got_offsets
[r_symndx
];
1005 /* The offset must always be a multiple of 4. We use
1006 the least significant bit to record whether we have
1007 already processed this entry. */
1012 bfd_put_32 (output_bfd
, relocation
, sgot
->contents
+ off
);
1017 Elf_Internal_Rela outrel
;
1019 /* We need to generate a R_SPARC_RELATIVE reloc
1020 for the dynamic linker. */
1021 srelgot
= bfd_get_section_by_name (dynobj
, ".rela.got");
1022 BFD_ASSERT (srelgot
!= NULL
);
1024 outrel
.r_offset
= (sgot
->output_section
->vma
1025 + sgot
->output_offset
1027 outrel
.r_info
= ELF32_R_INFO (0, R_SPARC_RELATIVE
);
1028 outrel
.r_addend
= 0;
1029 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1030 (((Elf32_External_Rela
*)
1032 + srelgot
->reloc_count
));
1033 ++srelgot
->reloc_count
;
1036 local_got_offsets
[r_symndx
] |= 1;
1039 relocation
= sgot
->output_offset
+ off
;
1044 case R_SPARC_WPLT30
:
1045 /* Relocation is to the entry for this symbol in the
1046 procedure linkage table. */
1047 BFD_ASSERT (h
!= NULL
);
1049 if (h
->plt_offset
== (bfd_vma
) -1)
1051 /* We didn't make a PLT entry for this symbol. This
1052 happens when statically linking PIC code, or when
1053 using -Bsymbolic. */
1059 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1060 BFD_ASSERT (splt
!= NULL
);
1063 relocation
= (splt
->output_section
->vma
1064 + splt
->output_offset
1071 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1075 case R_SPARC_DISP16
:
1076 case R_SPARC_DISP32
:
1077 case R_SPARC_WDISP30
:
1078 case R_SPARC_WDISP22
:
1091 && (input_section
->flags
& SEC_ALLOC
) != 0)
1093 Elf_Internal_Rela outrel
;
1095 /* When generating a shared object, these relocations
1096 are copied into the output file to be resolved at run
1103 name
= (bfd_elf_string_from_elf_section
1105 elf_elfheader (input_bfd
)->e_shstrndx
,
1106 elf_section_data (input_section
)->rel_hdr
.sh_name
));
1110 BFD_ASSERT (strncmp (name
, ".rela", 5) == 0
1111 && strcmp (bfd_get_section_name (input_bfd
,
1115 sreloc
= bfd_get_section_by_name (dynobj
, name
);
1116 BFD_ASSERT (sreloc
!= NULL
);
1119 outrel
.r_offset
= (rel
->r_offset
1120 + input_section
->output_section
->vma
1121 + input_section
->output_offset
);
1124 BFD_ASSERT (h
->dynindx
!= -1);
1125 outrel
.r_info
= ELF32_R_INFO (h
->dynindx
, r_type
);
1126 outrel
.r_addend
= rel
->r_addend
;
1130 if (r_type
== R_SPARC_32
)
1132 outrel
.r_info
= ELF32_R_INFO (0, R_SPARC_RELATIVE
);
1133 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1139 sym
= local_syms
+ r_symndx
;
1141 BFD_ASSERT (ELF_ST_TYPE (sym
->st_info
) == STT_SECTION
);
1143 sec
= local_sections
[r_symndx
];
1144 if (sec
!= NULL
&& bfd_is_abs_section (sec
))
1146 else if (sec
== NULL
|| sec
->owner
== NULL
)
1148 bfd_set_error (bfd_error_bad_value
);
1155 osec
= sec
->output_section
;
1156 indx
= elf_section_data (osec
)->dynindx
;
1161 outrel
.r_info
= ELF32_R_INFO (indx
, r_type
);
1162 outrel
.r_addend
= relocation
+ rel
->r_addend
;
1166 bfd_elf32_swap_reloca_out (output_bfd
, &outrel
,
1167 (((Elf32_External_Rela
*)
1169 + sreloc
->reloc_count
));
1170 ++sreloc
->reloc_count
;
1172 /* This reloc will be computed at runtime, so there's no
1173 need to do anything now. */
1181 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
1182 contents
, rel
->r_offset
,
1183 relocation
, rel
->r_addend
);
1185 if (r
!= bfd_reloc_ok
)
1190 case bfd_reloc_outofrange
:
1192 case bfd_reloc_overflow
:
1197 name
= h
->root
.root
.string
;
1200 name
= bfd_elf_string_from_elf_section (input_bfd
,
1201 symtab_hdr
->sh_link
,
1206 name
= bfd_section_name (input_bfd
, sec
);
1208 if (! ((*info
->callbacks
->reloc_overflow
)
1209 (info
, name
, howto
->name
, (bfd_vma
) 0,
1210 input_bfd
, input_section
, rel
->r_offset
)))
1221 /* Finish up dynamic symbol handling. We set the contents of various
1222 dynamic sections here. */
1225 elf32_sparc_finish_dynamic_symbol (output_bfd
, info
, h
, sym
)
1227 struct bfd_link_info
*info
;
1228 struct elf_link_hash_entry
*h
;
1229 Elf_Internal_Sym
*sym
;
1233 dynobj
= elf_hash_table (info
)->dynobj
;
1235 if (h
->plt_offset
!= (bfd_vma
) -1)
1239 Elf_Internal_Rela rela
;
1241 /* This symbol has an entry in the procedure linkage table. Set
1244 BFD_ASSERT (h
->dynindx
!= -1);
1246 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1247 srela
= bfd_get_section_by_name (dynobj
, ".rela.plt");
1248 BFD_ASSERT (splt
!= NULL
&& srela
!= NULL
);
1250 /* Fill in the entry in the procedure linkage table. */
1251 bfd_put_32 (output_bfd
,
1252 PLT_ENTRY_WORD0
+ h
->plt_offset
,
1253 splt
->contents
+ h
->plt_offset
);
1254 bfd_put_32 (output_bfd
,
1256 + (((- (h
->plt_offset
+ 4)) >> 2) & 0x3fffff)),
1257 splt
->contents
+ h
->plt_offset
+ 4);
1258 bfd_put_32 (output_bfd
, PLT_ENTRY_WORD2
,
1259 splt
->contents
+ h
->plt_offset
+ 8);
1261 /* Fill in the entry in the .rela.plt section. */
1262 rela
.r_offset
= (splt
->output_section
->vma
1263 + splt
->output_offset
1265 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_SPARC_JMP_SLOT
);
1267 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
1268 ((Elf32_External_Rela
*) srela
->contents
1269 + h
->plt_offset
/ PLT_ENTRY_SIZE
- 4));
1271 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
) == 0)
1273 /* Mark the symbol as undefined, rather than as defined in
1274 the .plt section. Leave the value alone. */
1275 sym
->st_shndx
= SHN_UNDEF
;
1279 if (h
->got_offset
!= (bfd_vma
) -1)
1283 Elf_Internal_Rela rela
;
1285 /* This symbol has an entry in the global offset table. Set it
1288 BFD_ASSERT (h
->dynindx
!= -1);
1290 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1291 srela
= bfd_get_section_by_name (dynobj
, ".rela.got");
1292 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
1294 rela
.r_offset
= (sgot
->output_section
->vma
1295 + sgot
->output_offset
1296 + (h
->got_offset
&~ 1));
1298 /* If this is a -Bsymbolic link, and the symbol is defined
1299 locally, we just want to emit a RELATIVE reloc. The entry in
1300 the global offset table will already have been initialized in
1301 the relocate_section function. */
1304 && (h
->elf_link_hash_flags
& ELF_LINK_HASH_DEF_REGULAR
))
1305 rela
.r_info
= ELF32_R_INFO (0, R_SPARC_RELATIVE
);
1308 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
+ h
->got_offset
);
1309 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_SPARC_GLOB_DAT
);
1313 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
1314 ((Elf32_External_Rela
*) srela
->contents
1315 + srela
->reloc_count
));
1316 ++srela
->reloc_count
;
1319 if ((h
->elf_link_hash_flags
& ELF_LINK_HASH_NEEDS_COPY
) != 0)
1322 Elf_Internal_Rela rela
;
1324 /* This symbols needs a copy reloc. Set it up. */
1326 BFD_ASSERT (h
->dynindx
!= -1);
1328 s
= bfd_get_section_by_name (h
->root
.u
.def
.section
->owner
,
1330 BFD_ASSERT (s
!= NULL
);
1332 rela
.r_offset
= (h
->root
.u
.def
.value
1333 + h
->root
.u
.def
.section
->output_section
->vma
1334 + h
->root
.u
.def
.section
->output_offset
);
1335 rela
.r_info
= ELF32_R_INFO (h
->dynindx
, R_SPARC_COPY
);
1337 bfd_elf32_swap_reloca_out (output_bfd
, &rela
,
1338 ((Elf32_External_Rela
*) s
->contents
1343 /* Mark some specially defined symbols as absolute. */
1344 if (strcmp (h
->root
.root
.string
, "_DYNAMIC") == 0
1345 || strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0
1346 || strcmp (h
->root
.root
.string
, "_PROCEDURE_LINKAGE_TABLE_") == 0)
1347 sym
->st_shndx
= SHN_ABS
;
1352 /* Finish up the dynamic sections. */
1355 elf32_sparc_finish_dynamic_sections (output_bfd
, info
)
1357 struct bfd_link_info
*info
;
1363 dynobj
= elf_hash_table (info
)->dynobj
;
1365 sdyn
= bfd_get_section_by_name (dynobj
, ".dynamic");
1367 if (elf_hash_table (info
)->dynamic_sections_created
)
1370 Elf32_External_Dyn
*dyncon
, *dynconend
;
1372 splt
= bfd_get_section_by_name (dynobj
, ".plt");
1373 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
1375 dyncon
= (Elf32_External_Dyn
*) sdyn
->contents
;
1376 dynconend
= (Elf32_External_Dyn
*) (sdyn
->contents
+ sdyn
->_raw_size
);
1377 for (; dyncon
< dynconend
; dyncon
++)
1379 Elf_Internal_Dyn dyn
;
1383 bfd_elf32_swap_dyn_in (dynobj
, dyncon
, &dyn
);
1387 case DT_PLTGOT
: name
= ".plt"; size
= false; break;
1388 case DT_PLTRELSZ
: name
= ".rela.plt"; size
= true; break;
1389 case DT_JMPREL
: name
= ".rela.plt"; size
= false; break;
1390 default: name
= NULL
; size
= false; break;
1397 s
= bfd_get_section_by_name (output_bfd
, name
);
1403 dyn
.d_un
.d_ptr
= s
->vma
;
1406 if (s
->_cooked_size
!= 0)
1407 dyn
.d_un
.d_val
= s
->_cooked_size
;
1409 dyn
.d_un
.d_val
= s
->_raw_size
;
1412 bfd_elf32_swap_dyn_out (output_bfd
, &dyn
, dyncon
);
1416 /* Clear the first four entries in the procedure linkage table,
1417 and put a nop in the last four bytes. */
1418 if (splt
->_raw_size
> 0)
1420 memset (splt
->contents
, 0, 4 * PLT_ENTRY_SIZE
);
1421 bfd_put_32 (output_bfd
, SPARC_NOP
,
1422 splt
->contents
+ splt
->_raw_size
- 4);
1425 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
=
1429 /* Set the first entry in the global offset table to the address of
1430 the dynamic section. */
1431 sgot
= bfd_get_section_by_name (dynobj
, ".got");
1432 BFD_ASSERT (sgot
!= NULL
);
1433 if (sgot
->_raw_size
> 0)
1436 bfd_put_32 (output_bfd
, (bfd_vma
) 0, sgot
->contents
);
1438 bfd_put_32 (output_bfd
,
1439 sdyn
->output_section
->vma
+ sdyn
->output_offset
,
1443 elf_section_data (sgot
->output_section
)->this_hdr
.sh_entsize
= 4;
1449 Elf_Internal_Sym sym
;
1451 /* Set up the section symbols for the output sections. */
1453 sdynsym
= bfd_get_section_by_name (dynobj
, ".dynsym");
1454 BFD_ASSERT (sdynsym
!= NULL
);
1458 sym
.st_info
= ELF_ST_INFO (STB_LOCAL
, STT_SECTION
);
1461 for (s
= output_bfd
->sections
; s
!= NULL
; s
= s
->next
)
1465 sym
.st_value
= s
->vma
;
1467 indx
= elf_section_data (s
)->this_idx
;
1468 BFD_ASSERT (indx
> 0);
1469 sym
.st_shndx
= indx
;
1471 bfd_elf32_swap_symbol_out (output_bfd
, &sym
,
1472 (PTR
) (((Elf32_External_Sym
*)
1474 + elf_section_data (s
)->dynindx
));
1477 /* Set the sh_info field of the output .dynsym section to the
1478 index of the first global symbol. */
1479 elf_section_data (sdynsym
->output_section
)->this_hdr
.sh_info
=
1480 bfd_count_sections (output_bfd
) + 1;
1486 #define TARGET_BIG_SYM bfd_elf32_sparc_vec
1487 #define TARGET_BIG_NAME "elf32-sparc"
1488 #define ELF_ARCH bfd_arch_sparc
1489 #define ELF_MACHINE_CODE EM_SPARC
1490 #define ELF_MAXPAGESIZE 0x10000
1491 #define elf_backend_create_dynamic_sections \
1492 _bfd_elf_create_dynamic_sections
1493 #define elf_backend_check_relocs elf32_sparc_check_relocs
1494 #define elf_backend_adjust_dynamic_symbol \
1495 elf32_sparc_adjust_dynamic_symbol
1496 #define elf_backend_size_dynamic_sections \
1497 elf32_sparc_size_dynamic_sections
1498 #define elf_backend_relocate_section elf32_sparc_relocate_section
1499 #define elf_backend_finish_dynamic_symbol \
1500 elf32_sparc_finish_dynamic_symbol
1501 #define elf_backend_finish_dynamic_sections \
1502 elf32_sparc_finish_dynamic_sections
1503 #define elf_backend_want_got_plt 0
1504 #define elf_backend_plt_readonly 0
1505 #define elf_backend_want_plt_sym 1
1507 #include "elf32-target.h"