1/* MIPS ELF specific backend routines.
2   Copyright 2002, 2003, 2004, 2005, 2006
3   Free Software Foundation, Inc.
4
5This file is part of BFD, the Binary File Descriptor library.
6
7This program is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2 of the License, or
10(at your option) any later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21#include "elf/common.h"
22#include "elf/internal.h"
23
24extern bfd_boolean _bfd_mips_elf_new_section_hook
25  (bfd *, asection *);
26extern void _bfd_mips_elf_symbol_processing
27  (bfd *, asymbol *);
28extern unsigned int _bfd_mips_elf_eh_frame_address_size
29  (bfd *, asection *);
30extern bfd_boolean _bfd_mips_elf_name_local_section_symbols
31  (bfd *);
32extern bfd_boolean _bfd_mips_elf_section_processing
33  (bfd *, Elf_Internal_Shdr *);
34extern bfd_boolean _bfd_mips_elf_section_from_shdr
35  (bfd *, Elf_Internal_Shdr *, const char *, int);
36extern bfd_boolean _bfd_mips_elf_fake_sections
37  (bfd *, Elf_Internal_Shdr *, asection *);
38extern bfd_boolean _bfd_mips_elf_section_from_bfd_section
39  (bfd *, asection *, int *);
40extern bfd_boolean _bfd_mips_elf_add_symbol_hook
41  (bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
42   const char **, flagword *, asection **, bfd_vma *);
43extern bfd_boolean _bfd_mips_elf_link_output_symbol_hook
44  (struct bfd_link_info *, const char *, Elf_Internal_Sym *,
45   asection *, struct elf_link_hash_entry *);
46extern bfd_boolean _bfd_mips_elf_create_dynamic_sections
47  (bfd *, struct bfd_link_info *);
48extern bfd_boolean _bfd_mips_elf_check_relocs
49  (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
50extern bfd_boolean _bfd_mips_elf_adjust_dynamic_symbol
51  (struct bfd_link_info *, struct elf_link_hash_entry *);
52extern bfd_boolean _bfd_mips_vxworks_adjust_dynamic_symbol
53  (struct bfd_link_info *, struct elf_link_hash_entry *);
54extern bfd_boolean _bfd_mips_elf_always_size_sections
55  (bfd *, struct bfd_link_info *);
56extern bfd_boolean _bfd_mips_elf_size_dynamic_sections
57  (bfd *, struct bfd_link_info *);
58extern bfd_boolean _bfd_mips_elf_relocate_section
59  (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
60   Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
61extern bfd_boolean _bfd_mips_elf_finish_dynamic_symbol
62  (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
63   Elf_Internal_Sym *);
64extern bfd_boolean _bfd_mips_vxworks_finish_dynamic_symbol
65  (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
66   Elf_Internal_Sym *);
67extern bfd_boolean _bfd_mips_elf_finish_dynamic_sections
68  (bfd *, struct bfd_link_info *);
69extern void _bfd_mips_elf_final_write_processing
70  (bfd *, bfd_boolean);
71extern int _bfd_mips_elf_additional_program_headers
72  (bfd *, struct bfd_link_info *);
73extern bfd_boolean _bfd_mips_elf_modify_segment_map
74  (bfd *, struct bfd_link_info *);
75extern asection * _bfd_mips_elf_gc_mark_hook
76  (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
77   struct elf_link_hash_entry *, Elf_Internal_Sym *);
78extern bfd_boolean _bfd_mips_elf_gc_sweep_hook
79  (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
80extern void _bfd_mips_elf_copy_indirect_symbol
81  (struct bfd_link_info *, struct elf_link_hash_entry *,
82   struct elf_link_hash_entry *);
83extern void _bfd_mips_elf_hide_symbol
84  (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
85extern bfd_boolean _bfd_mips_elf_ignore_discarded_relocs
86  (asection *);
87extern bfd_boolean _bfd_mips_elf_find_nearest_line
88  (bfd *, asection *, asymbol **, bfd_vma, const char **,
89   const char **, unsigned int *);
90extern bfd_boolean _bfd_mips_elf_find_inliner_info
91  (bfd *, const char **, const char **, unsigned int *);
92extern bfd_boolean _bfd_mips_elf_set_section_contents
93  (bfd *, asection *, const void *, file_ptr, bfd_size_type);
94extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents
95  (bfd *, struct bfd_link_info *, struct bfd_link_order *,
96   bfd_byte *, bfd_boolean, asymbol **);
97extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create
98  (bfd *);
99extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create
100  (bfd *);
101extern bfd_boolean _bfd_mips_elf_final_link
102  (bfd *, struct bfd_link_info *);
103extern bfd_boolean _bfd_mips_elf_merge_private_bfd_data
104  (bfd *, bfd *);
105extern bfd_boolean _bfd_mips_elf_set_private_flags
106  (bfd *, flagword);
107extern bfd_boolean _bfd_mips_elf_print_private_bfd_data
108  (bfd *, void *);
109extern bfd_boolean _bfd_mips_elf_discard_info
110  (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *);
111extern bfd_boolean _bfd_mips_elf_write_section
112  (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
113
114extern bfd_boolean _bfd_mips_elf_read_ecoff_info
115  (bfd *, asection *, struct ecoff_debug_info *);
116extern void _bfd_mips16_elf_reloc_unshuffle
117  (bfd *, int, bfd_boolean, bfd_byte *);
118extern void _bfd_mips16_elf_reloc_shuffle
119  (bfd *, int, bfd_boolean, bfd_byte *);
120extern bfd_reloc_status_type _bfd_mips_elf_gprel16_with_gp
121  (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma);
122extern bfd_reloc_status_type _bfd_mips_elf32_gprel16_reloc
123  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
124extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc
125  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
126extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc
127  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
128extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc
129  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
130extern bfd_reloc_status_type _bfd_mips_elf_generic_reloc
131  (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
132extern unsigned long _bfd_elf_mips_mach
133  (flagword);
134extern bfd_boolean _bfd_mips_relax_section
135  (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
136extern bfd_vma _bfd_mips_elf_sign_extend
137  (bfd_vma, int);
138extern void _bfd_mips_elf_merge_symbol_attribute
139  (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, bfd_boolean);
140extern bfd_boolean _bfd_mips_elf_ignore_undef_symbol
141  (struct elf_link_hash_entry *);
142
143extern const struct bfd_elf_special_section _bfd_mips_elf_special_sections [];
144
145extern bfd_boolean _bfd_mips_elf_common_definition (Elf_Internal_Sym *);
146
147#define elf_backend_common_definition   _bfd_mips_elf_common_definition
148#define elf_backend_name_local_section_symbols \
149  _bfd_mips_elf_name_local_section_symbols
150#define elf_backend_special_sections _bfd_mips_elf_special_sections
151#define elf_backend_eh_frame_address_size _bfd_mips_elf_eh_frame_address_size
152#define elf_backend_merge_symbol_attribute  _bfd_mips_elf_merge_symbol_attribute
153#define elf_backend_ignore_undef_symbol _bfd_mips_elf_ignore_undef_symbol
154