Commit | Line | Data |
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b49e97c9 | 1 | /* MIPS ELF specific backend routines. |
aa820537 | 2 | Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
a6b96beb | 3 | Free Software Foundation, Inc. |
b49e97c9 | 4 | |
cd123cb7 | 5 | This file is part of BFD, the Binary File Descriptor library. |
b49e97c9 | 6 | |
cd123cb7 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
b49e97c9 | 11 | |
cd123cb7 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
b49e97c9 | 16 | |
cd123cb7 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
b49e97c9 TS |
21 | |
22 | #include "elf/common.h" | |
23 | #include "elf/internal.h" | |
9684f078 | 24 | #include "elf/mips.h" |
b49e97c9 | 25 | |
6ae68ba3 MR |
26 | extern bfd_boolean _bfd_mips_elf_mkobject |
27 | (bfd *); | |
f0abc2a1 | 28 | extern bfd_boolean _bfd_mips_elf_new_section_hook |
9719ad41 | 29 | (bfd *, asection *); |
b49e97c9 | 30 | extern void _bfd_mips_elf_symbol_processing |
9719ad41 | 31 | (bfd *, asymbol *); |
8c946ed5 RS |
32 | extern unsigned int _bfd_mips_elf_eh_frame_address_size |
33 | (bfd *, asection *); | |
174fd7f9 RS |
34 | extern bfd_boolean _bfd_mips_elf_name_local_section_symbols |
35 | (bfd *); | |
b34976b6 | 36 | extern bfd_boolean _bfd_mips_elf_section_processing |
9719ad41 | 37 | (bfd *, Elf_Internal_Shdr *); |
b34976b6 | 38 | extern bfd_boolean _bfd_mips_elf_section_from_shdr |
6dc132d9 | 39 | (bfd *, Elf_Internal_Shdr *, const char *, int); |
b34976b6 | 40 | extern bfd_boolean _bfd_mips_elf_fake_sections |
9719ad41 | 41 | (bfd *, Elf_Internal_Shdr *, asection *); |
b34976b6 | 42 | extern bfd_boolean _bfd_mips_elf_section_from_bfd_section |
9719ad41 | 43 | (bfd *, asection *, int *); |
b34976b6 | 44 | extern bfd_boolean _bfd_mips_elf_add_symbol_hook |
555cd476 | 45 | (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, |
9719ad41 | 46 | const char **, flagword *, asection **, bfd_vma *); |
6e0b88f1 | 47 | extern int _bfd_mips_elf_link_output_symbol_hook |
9719ad41 RS |
48 | (struct bfd_link_info *, const char *, Elf_Internal_Sym *, |
49 | asection *, struct elf_link_hash_entry *); | |
b34976b6 | 50 | extern bfd_boolean _bfd_mips_elf_create_dynamic_sections |
9719ad41 | 51 | (bfd *, struct bfd_link_info *); |
b34976b6 | 52 | extern bfd_boolean _bfd_mips_elf_check_relocs |
9719ad41 | 53 | (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); |
b34976b6 | 54 | extern bfd_boolean _bfd_mips_elf_adjust_dynamic_symbol |
9719ad41 | 55 | (struct bfd_link_info *, struct elf_link_hash_entry *); |
b34976b6 | 56 | extern bfd_boolean _bfd_mips_elf_always_size_sections |
9719ad41 | 57 | (bfd *, struct bfd_link_info *); |
b34976b6 | 58 | extern bfd_boolean _bfd_mips_elf_size_dynamic_sections |
9719ad41 | 59 | (bfd *, struct bfd_link_info *); |
b34976b6 | 60 | extern bfd_boolean _bfd_mips_elf_relocate_section |
9719ad41 RS |
61 | (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
62 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **); | |
b34976b6 | 63 | extern bfd_boolean _bfd_mips_elf_finish_dynamic_symbol |
9719ad41 RS |
64 | (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, |
65 | Elf_Internal_Sym *); | |
0a44bf69 RS |
66 | extern bfd_boolean _bfd_mips_vxworks_finish_dynamic_symbol |
67 | (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, | |
68 | Elf_Internal_Sym *); | |
b34976b6 | 69 | extern bfd_boolean _bfd_mips_elf_finish_dynamic_sections |
9719ad41 | 70 | (bfd *, struct bfd_link_info *); |
b49e97c9 | 71 | extern void _bfd_mips_elf_final_write_processing |
9719ad41 | 72 | (bfd *, bfd_boolean); |
b49e97c9 | 73 | extern int _bfd_mips_elf_additional_program_headers |
a6b96beb | 74 | (bfd *, struct bfd_link_info *); |
b34976b6 | 75 | extern bfd_boolean _bfd_mips_elf_modify_segment_map |
9719ad41 | 76 | (bfd *, struct bfd_link_info *); |
b49e97c9 | 77 | extern asection * _bfd_mips_elf_gc_mark_hook |
9719ad41 RS |
78 | (asection *, struct bfd_link_info *, Elf_Internal_Rela *, |
79 | struct elf_link_hash_entry *, Elf_Internal_Sym *); | |
b34976b6 | 80 | extern bfd_boolean _bfd_mips_elf_gc_sweep_hook |
9719ad41 | 81 | (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); |
b49e97c9 | 82 | extern void _bfd_mips_elf_copy_indirect_symbol |
fcfa13d2 | 83 | (struct bfd_link_info *, struct elf_link_hash_entry *, |
9719ad41 | 84 | struct elf_link_hash_entry *); |
b34976b6 | 85 | extern bfd_boolean _bfd_mips_elf_ignore_discarded_relocs |
9719ad41 | 86 | (asection *); |
df58fc94 RS |
87 | extern bfd_boolean _bfd_mips_elf_is_target_special_symbol |
88 | (bfd *abfd, asymbol *sym); | |
b34976b6 | 89 | extern bfd_boolean _bfd_mips_elf_find_nearest_line |
9719ad41 RS |
90 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
91 | const char **, unsigned int *); | |
4ab527b0 FF |
92 | extern bfd_boolean _bfd_mips_elf_find_inliner_info |
93 | (bfd *, const char **, const char **, unsigned int *); | |
b34976b6 | 94 | extern bfd_boolean _bfd_mips_elf_set_section_contents |
9719ad41 | 95 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
b49e97c9 | 96 | extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents |
9719ad41 RS |
97 | (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
98 | bfd_byte *, bfd_boolean, asymbol **); | |
df58fc94 RS |
99 | extern bfd_boolean _bfd_mips_elf_relax_section |
100 | (bfd *abfd, asection *sec, struct bfd_link_info *link_info, | |
101 | bfd_boolean *again); | |
b49e97c9 | 102 | extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create |
9719ad41 | 103 | (bfd *); |
0a44bf69 RS |
104 | extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create |
105 | (bfd *); | |
b34976b6 | 106 | extern bfd_boolean _bfd_mips_elf_final_link |
9719ad41 | 107 | (bfd *, struct bfd_link_info *); |
b34976b6 | 108 | extern bfd_boolean _bfd_mips_elf_merge_private_bfd_data |
9719ad41 | 109 | (bfd *, bfd *); |
b34976b6 | 110 | extern bfd_boolean _bfd_mips_elf_set_private_flags |
9719ad41 | 111 | (bfd *, flagword); |
b34976b6 | 112 | extern bfd_boolean _bfd_mips_elf_print_private_bfd_data |
9719ad41 | 113 | (bfd *, void *); |
b34976b6 | 114 | extern bfd_boolean _bfd_mips_elf_discard_info |
9719ad41 | 115 | (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *); |
b34976b6 | 116 | extern bfd_boolean _bfd_mips_elf_write_section |
c7b8f16e | 117 | (bfd *, struct bfd_link_info *, asection *, bfd_byte *); |
b49e97c9 | 118 | |
b34976b6 | 119 | extern bfd_boolean _bfd_mips_elf_read_ecoff_info |
9719ad41 | 120 | (bfd *, asection *, struct ecoff_debug_info *); |
df58fc94 | 121 | extern void _bfd_mips_elf_reloc_unshuffle |
d6f16593 | 122 | (bfd *, int, bfd_boolean, bfd_byte *); |
df58fc94 | 123 | extern void _bfd_mips_elf_reloc_shuffle |
d6f16593 | 124 | (bfd *, int, bfd_boolean, bfd_byte *); |
b49e97c9 | 125 | extern bfd_reloc_status_type _bfd_mips_elf_gprel16_with_gp |
9719ad41 | 126 | (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); |
b49e97c9 | 127 | extern bfd_reloc_status_type _bfd_mips_elf32_gprel16_reloc |
9719ad41 | 128 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
30ac9238 RS |
129 | extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc |
130 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
131 | extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc | |
132 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
133 | extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc | |
134 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
135 | extern bfd_reloc_status_type _bfd_mips_elf_generic_reloc | |
136 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); | |
b49e97c9 | 137 | extern unsigned long _bfd_elf_mips_mach |
9719ad41 | 138 | (flagword); |
a7ebbfdf | 139 | extern bfd_boolean _bfd_mips_relax_section |
9719ad41 | 140 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); |
a7ebbfdf | 141 | extern bfd_vma _bfd_mips_elf_sign_extend |
9719ad41 | 142 | (bfd_vma, int); |
5e2b0d47 NC |
143 | extern void _bfd_mips_elf_merge_symbol_attribute |
144 | (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, bfd_boolean); | |
ad9563d6 | 145 | extern char *_bfd_mips_elf_get_target_dtag (bfd_vma); |
12ac1cf5 NC |
146 | extern bfd_boolean _bfd_mips_elf_ignore_undef_symbol |
147 | (struct elf_link_hash_entry *); | |
861fb55a DJ |
148 | extern void _bfd_mips_elf_use_plts_and_copy_relocs |
149 | (struct bfd_link_info *); | |
833794fc MR |
150 | extern void _bfd_mips_elf_insn32 |
151 | (struct bfd_link_info *, bfd_boolean); | |
861fb55a DJ |
152 | extern bfd_boolean _bfd_mips_elf_init_stubs |
153 | (struct bfd_link_info *, | |
154 | asection *(*) (const char *, asection *, asection *)); | |
155 | extern bfd_vma _bfd_mips_elf_plt_sym_val | |
156 | (bfd_vma, const asection *, const arelent *rel); | |
1bbce132 MR |
157 | extern long _bfd_mips_elf_get_synthetic_symtab |
158 | (bfd *, long, asymbol **, long, asymbol **, asymbol **); | |
861fb55a DJ |
159 | extern void _bfd_mips_post_process_headers |
160 | (bfd *abfd, struct bfd_link_info *link_info); | |
29ef7005 L |
161 | |
162 | extern const struct bfd_elf_special_section _bfd_mips_elf_special_sections []; | |
2f89ff8d | 163 | |
e0764319 NC |
164 | extern bfd_boolean _bfd_mips_elf_common_definition (Elf_Internal_Sym *); |
165 | ||
9684f078 MR |
166 | static inline bfd_boolean |
167 | gprel16_reloc_p (unsigned int r_type) | |
168 | { | |
df58fc94 RS |
169 | return (r_type == R_MIPS_GPREL16 |
170 | || r_type == R_MIPS16_GPREL | |
171 | || r_type == R_MICROMIPS_GPREL16 | |
172 | || r_type == R_MICROMIPS_GPREL7_S2); | |
173 | } | |
174 | ||
175 | static inline bfd_boolean | |
176 | literal_reloc_p (int r_type) | |
177 | { | |
178 | return r_type == R_MIPS_LITERAL || r_type == R_MICROMIPS_LITERAL; | |
9684f078 MR |
179 | } |
180 | ||
e0764319 | 181 | #define elf_backend_common_definition _bfd_mips_elf_common_definition |
174fd7f9 RS |
182 | #define elf_backend_name_local_section_symbols \ |
183 | _bfd_mips_elf_name_local_section_symbols | |
29ef7005 | 184 | #define elf_backend_special_sections _bfd_mips_elf_special_sections |
8c946ed5 | 185 | #define elf_backend_eh_frame_address_size _bfd_mips_elf_eh_frame_address_size |
5e2b0d47 | 186 | #define elf_backend_merge_symbol_attribute _bfd_mips_elf_merge_symbol_attribute |
12ac1cf5 | 187 | #define elf_backend_ignore_undef_symbol _bfd_mips_elf_ignore_undef_symbol |
861fb55a | 188 | #define elf_backend_post_process_headers _bfd_mips_post_process_headers |