1 /* BFD back-end data structures for ELF files.
2 Copyright (C) 1992, 1993 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
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 2 of the License, or
10 (at your option) any later version.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
24 #include "elf/common.h"
25 #include "elf/internal.h"
26 #include "elf/external.h"
28 /* If size isn't specified as 64 or 32, NAME macro should fail. */
31 #define NAME(x,y) CAT4(x,64,_,y)
34 #define NAME(x,y) CAT4(x,32,_,y)
38 #define ElfNAME(X) NAME(Elf,X)
39 #define elfNAME(X) NAME(elf,X)
44 Elf_Internal_Sym internal_elf_sym
;
45 /* these are used for the generation of .stabX symbols (?) */
51 unsigned int hppa_arg_reloc
;
55 Elf32_External_Sym native_elf_sym
;
61 Elf_Internal_Sym internal_elf_sym
;
62 /* these are used for the generation of .stabX symbols (?) */
68 unsigned int hppa_arg_reloc
;
72 Elf64_External_Sym native_elf_sym
;
75 struct elf_backend_data
79 enum bfd_architecture arch
;
80 void (*elf_info_to_howto
) PARAMS ((bfd
*, arelent
*,
81 Elf_Internal_Rela
*));
82 void (*elf_info_to_howto_rel
) PARAMS ((bfd
*, arelent
*,
85 void (*write_relocs
) PARAMS ((bfd
*, asection
*, PTR
));
87 /* @@ I really don't think this should be here. I don't know what
88 global_sym is supposed to be used for, but I doubt it's something
89 that would be considered global, e.g., if you've got a program
90 reading and writing many BFDs. My hunch is that it's specific to
91 the output BFD. If not, put a comment here explaining why. */
92 /* @@ Was pointer to elfNAME(symbol_type). This makes it size-
97 struct bfd_elf_arch_map
{
98 enum bfd_architecture bfd_arch
;
102 extern const struct bfd_elf_arch_map bfd_elf_arch_map
[];
103 extern const int bfd_elf_arch_map_size
;
105 struct bfd_elf_section_data
{
106 Elf_Internal_Shdr this_hdr
;
107 Elf_Internal_Shdr rel_hdr
;
108 int this_idx
, rel_idx
;
110 Elf_Internal_Shdr str_hdr
;
114 #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd)
115 #define shdr_name(abfd,shdr) (elf_shstrtab (abfd)->tab + (shdr)->sh_name)
117 #define get_elf_backend_data(abfd) \
118 ((struct elf_backend_data *) (abfd)->xvec->backend_data)
127 /* Some private data is stashed away for future use using the tdata pointer
128 in the bfd structure. */
132 Elf_Internal_Ehdr elf_header
[1]; /* Actual data, but ref like ptr */
133 Elf_Internal_Shdr
**elf_sect_ptr
;
134 Elf_Internal_Phdr
*phdr
;
135 struct strtab
*strtab_ptr
;
139 PTR raw_syms
; /* Elf_External_Sym* */
140 Elf_Internal_Sym
*internal_syms
;
141 PTR symbols
; /* elf_symbol_type */
142 /* struct strtab *shstrtab;*/
143 Elf_Internal_Shdr symtab_hdr
;
144 Elf_Internal_Shdr shstrtab_hdr
;
145 Elf_Internal_Shdr strtab_hdr
;
146 int symtab_section
, shstrtab_section
, strtab_section
;
147 file_ptr next_file_pos
;
148 void *prstatus
; /* The raw /proc prstatus structure */
149 void *prpsinfo
; /* The raw /proc prpsinfo structure */
152 #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data)
153 #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header)
154 #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr)
155 #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr)
156 #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section)
157 #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals)
158 #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals)
159 #define elf_symtab_map(bfd) (elf_tdata(bfd) -> symtab_map)
160 #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo)
161 #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus)
162 #define obj_symbols(bfd) ((elf_symbol_type*)(elf_tdata(bfd) -> symbols))
163 #define obj_raw_syms(bfd) ((Elf_External_Sym*)(elf_tdata(bfd) -> raw_syms))
164 #define obj_internal_syms(bfd) (elf_tdata(bfd) -> internal_syms)
166 extern char * elf_string_from_elf_section
PARAMS ((bfd
*, unsigned, unsigned));
167 extern char * elf_get_str_section
PARAMS ((bfd
*, unsigned));
169 #define bfd_elf32_mkobject bfd_elf_mkobject
170 #define bfd_elf64_mkobject bfd_elf_mkobject
171 #define elf_mkobject bfd_elf_mkobject
173 extern unsigned long elf_hash
PARAMS ((CONST
unsigned char *));
175 extern bfd_reloc_status_type bfd_elf_generic_reloc
PARAMS ((bfd
*,
181 extern boolean bfd_elf_mkobject
PARAMS ((bfd
*));
182 extern boolean bfd_elf32_write_object_contents
PARAMS ((bfd
*));
183 extern boolean bfd_elf64_write_object_contents
PARAMS ((bfd
*));
185 extern bfd_target
*bfd_elf32_object_p
PARAMS ((bfd
*));
186 extern bfd_target
*bfd_elf32_core_file_p
PARAMS ((bfd
*));
187 extern char *bfd_elf32_core_file_failing_command
PARAMS ((bfd
*));
188 extern int bfd_elf32_core_file_failing_signal
PARAMS ((bfd
*));
189 extern boolean bfd_elf32_core_file_matches_executable_p
PARAMS ((bfd
*,
191 extern boolean bfd_elf32_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
195 extern unsigned int bfd_elf32_get_symtab_upper_bound
PARAMS ((bfd
*));
196 extern unsigned int bfd_elf32_get_symtab
PARAMS ((bfd
*, asymbol
**));
197 extern unsigned int bfd_elf32_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
198 extern unsigned int bfd_elf32_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
201 extern asymbol
*bfd_elf32_make_empty_symbol
PARAMS ((bfd
*));
202 extern void bfd_elf32_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
203 bfd_print_symbol_type
));
204 extern void bfd_elf32_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
206 extern alent
*bfd_elf32_get_lineno
PARAMS ((bfd
*, asymbol
*));
207 extern boolean bfd_elf32_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
209 extern boolean bfd_elf32_find_nearest_line
PARAMS ((bfd
*, asection
*,
211 bfd_vma
, CONST
char **,
214 extern int bfd_elf32_sizeof_headers
PARAMS ((bfd
*, boolean
));
215 extern void bfd_elf32__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
216 extern boolean bfd_elf32_new_section_hook
PARAMS ((bfd
*, asection
*));
218 /* If the target doesn't have reloc handling written yet: */
219 extern void bfd_elf32_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
220 Elf32_Internal_Rela
*));
222 extern bfd_target
*bfd_elf64_object_p
PARAMS ((bfd
*));
223 extern bfd_target
*bfd_elf64_core_file_p
PARAMS ((bfd
*));
224 extern char *bfd_elf64_core_file_failing_command
PARAMS ((bfd
*));
225 extern int bfd_elf64_core_file_failing_signal
PARAMS ((bfd
*));
226 extern boolean bfd_elf64_core_file_matches_executable_p
PARAMS ((bfd
*,
228 extern boolean bfd_elf64_set_section_contents
PARAMS ((bfd
*, sec_ptr
, PTR
,
232 extern unsigned int bfd_elf64_get_symtab_upper_bound
PARAMS ((bfd
*));
233 extern unsigned int bfd_elf64_get_symtab
PARAMS ((bfd
*, asymbol
**));
234 extern unsigned int bfd_elf64_get_reloc_upper_bound
PARAMS ((bfd
*, sec_ptr
));
235 extern unsigned int bfd_elf64_canonicalize_reloc
PARAMS ((bfd
*, sec_ptr
,
238 extern asymbol
*bfd_elf64_make_empty_symbol
PARAMS ((bfd
*));
239 extern void bfd_elf64_print_symbol
PARAMS ((bfd
*, PTR
, asymbol
*,
240 bfd_print_symbol_type
));
241 extern void bfd_elf64_get_symbol_info
PARAMS ((bfd
*, asymbol
*,
243 extern alent
*bfd_elf64_get_lineno
PARAMS ((bfd
*, asymbol
*));
244 extern boolean bfd_elf64_set_arch_mach
PARAMS ((bfd
*, enum bfd_architecture
,
246 extern boolean bfd_elf64_find_nearest_line
PARAMS ((bfd
*, asection
*,
248 bfd_vma
, CONST
char **,
251 extern int bfd_elf64_sizeof_headers
PARAMS ((bfd
*, boolean
));
252 extern void bfd_elf64__write_relocs
PARAMS ((bfd
*, asection
*, PTR
));
253 extern boolean bfd_elf64_new_section_hook
PARAMS ((bfd
*, asection
*));
255 /* If the target doesn't have reloc handling written yet: */
256 extern void bfd_elf64_no_info_to_howto
PARAMS ((bfd
*, arelent
*,
257 Elf64_Internal_Rela
*));
259 #endif /* _LIBELF_H_ */