1 /* SPARC ELF specific backend routines.
2 Copyright 2005, 2006, 2007, 2009, 2010 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
21 #include "elf/common.h"
22 #include "elf/internal.h"
24 struct _bfd_sparc_elf_section_data
26 struct bfd_elf_section_data elf
;
27 unsigned int do_relax
, reloc_count
;
30 #define sec_do_relax(sec) \
31 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->do_relax
32 #define canon_reloc_count(sec) \
33 ((struct _bfd_sparc_elf_section_data *) elf_section_data (sec))->reloc_count
35 struct _bfd_sparc_elf_app_reg
43 /* Sparc ELF linker hash table. */
45 struct _bfd_sparc_elf_link_hash_table
47 struct elf_link_hash_table elf
;
49 /* Short-cuts to get to dynamic linker sections. */
59 bfd_signed_vma refcount
;
63 /* Small local sym cache. */
64 struct sym_cache sym_cache
;
66 /* True if the target system is VxWorks. */
69 /* The (unloaded but important) .rela.plt.unloaded section, for VxWorks. */
72 /* .got.plt is only used on VxWorks. */
75 void (*put_word
) (bfd
*, bfd_vma
, void *);
76 bfd_vma (*r_info
) (Elf_Internal_Rela
*, bfd_vma
, bfd_vma
);
77 bfd_vma (*r_symndx
) (bfd_vma
);
78 int (*build_plt_entry
) (bfd
*, asection
*, bfd_vma
, bfd_vma
, bfd_vma
*);
79 const char *dynamic_interpreter
;
80 int dynamic_interpreter_size
;
81 unsigned int word_align_power
;
82 unsigned int align_power_max
;
83 unsigned int plt_header_size
;
84 unsigned int plt_entry_size
;
91 struct _bfd_sparc_elf_app_reg app_regs
[4];
94 /* Get the SPARC ELF linker hash table from a link_info structure. */
96 #define _bfd_sparc_elf_hash_table(p) \
97 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
98 == SPARC_ELF_DATA ? ((struct _bfd_sparc_elf_link_hash_table *) ((p)->hash)) : NULL)
100 extern reloc_howto_type
*_bfd_sparc_elf_reloc_type_lookup
101 (bfd
*, bfd_reloc_code_real_type
);
102 extern reloc_howto_type
*_bfd_sparc_elf_reloc_name_lookup
103 (bfd
*, const char *);
104 extern void _bfd_sparc_elf_info_to_howto
105 (bfd
*, arelent
*, Elf_Internal_Rela
*);
106 extern reloc_howto_type
*_bfd_sparc_elf_info_to_howto_ptr
108 extern bfd_boolean _bfd_sparc_elf_mkobject
110 extern struct bfd_link_hash_table
*_bfd_sparc_elf_link_hash_table_create
112 extern bfd_boolean _bfd_sparc_elf_create_dynamic_sections
113 (bfd
*, struct bfd_link_info
*);
114 extern void _bfd_sparc_elf_copy_indirect_symbol
115 (struct bfd_link_info
*,
116 struct elf_link_hash_entry
*,
117 struct elf_link_hash_entry
*);
118 extern bfd_boolean _bfd_sparc_elf_check_relocs
119 (bfd
*, struct bfd_link_info
*,
120 asection
*, const Elf_Internal_Rela
*);
121 extern asection
*_bfd_sparc_elf_gc_mark_hook
122 (asection
*, struct bfd_link_info
*,
123 Elf_Internal_Rela
*, struct elf_link_hash_entry
*,
125 extern bfd_boolean _bfd_sparc_elf_gc_sweep_hook
126 (bfd
*, struct bfd_link_info
*,
127 asection
*, const Elf_Internal_Rela
*);
128 extern bfd_boolean _bfd_sparc_elf_adjust_dynamic_symbol
129 (struct bfd_link_info
*, struct elf_link_hash_entry
*);
130 extern bfd_boolean _bfd_sparc_elf_omit_section_dynsym
131 (bfd
*, struct bfd_link_info
*, asection
*);
132 extern bfd_boolean _bfd_sparc_elf_size_dynamic_sections
133 (bfd
*, struct bfd_link_info
*);
134 extern bfd_boolean _bfd_sparc_elf_new_section_hook
136 extern bfd_boolean _bfd_sparc_elf_relax_section
137 (bfd
*, struct bfd_section
*, struct bfd_link_info
*, bfd_boolean
*);
138 extern bfd_boolean _bfd_sparc_elf_relocate_section
139 (bfd
*, struct bfd_link_info
*, bfd
*, asection
*, bfd_byte
*,
140 Elf_Internal_Rela
*, Elf_Internal_Sym
*, asection
**);
141 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_symbol
142 (bfd
*, struct bfd_link_info
*, struct elf_link_hash_entry
*,
143 Elf_Internal_Sym
*sym
);
144 extern bfd_boolean _bfd_sparc_elf_finish_dynamic_sections
145 (bfd
*, struct bfd_link_info
*);
146 extern bfd_boolean _bfd_sparc_elf_object_p
148 extern bfd_vma _bfd_sparc_elf_plt_sym_val
149 (bfd_vma
, const asection
*, const arelent
*);