1 /* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
3 Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
4 Written by Cygnus Support.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* Align an address upward to a boundary, expressed as a number of bytes.
24 E.g. align to an 8-byte boundary with argument of 8. */
25 #define BFD_ALIGN(this, boundary) \
26 ((( (this) + ((boundary) -1)) & (~((boundary)-1))))
28 /* If you want to read and write large blocks, you might want to do it
29 in quanta of this amount */
30 #define DEFAULT_BUFFERSIZE 8192
32 /* Set a tdata field. Can't use the other macros for this, since they
33 do casts, and casting to the left of assignment isn't portable. */
34 #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
36 /* tdata for an archive. For an input archive, cache
37 needs to be free()'d. For an output archive, symdefs do. */
40 file_ptr first_file_filepos
;
41 /* Speed up searching the armap */
42 struct ar_cache
*cache
;
43 bfd
*archive_head
; /* Only interesting in output routines */
44 carsym
*symdefs
; /* the symdef entries */
45 symindex symdef_count
; /* how many there are */
46 char *extended_names
; /* clever intel extension */
49 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
51 /* Goes in bfd's arelt_data slot */
53 char * arch_header
; /* it's actually a string */
54 unsigned int parsed_size
; /* octets of filesize not including ar_hdr */
55 char *filename
; /* null-terminated */
58 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
60 char *zalloc
PARAMS ((bfd_size_type size
));
62 /* These routines allocate and free things on the BFD's obstack. Note
63 that realloc can never occur in place. */
65 PTR bfd_alloc
PARAMS ((bfd
*abfd
, bfd_size_type size
));
66 PTR bfd_zalloc
PARAMS ((bfd
*abfd
, bfd_size_type size
));
67 PTR bfd_realloc
PARAMS ((bfd
*abfd
, PTR orig
, bfd_size_type
new));
68 void bfd_alloc_grow
PARAMS ((bfd
*abfd
, PTR thing
, bfd_size_type size
));
69 PTR bfd_alloc_finish
PARAMS ((bfd
*abfd
));
70 PTR bfd_alloc_by_size_t
PARAMS ((bfd
*abfd
, size_t wanted
));
72 #define bfd_release(x,y) (void) obstack_free(&(x->memory),y)
75 bfd_size_type bfd_read
PARAMS ((PTR ptr
, bfd_size_type size
,
76 bfd_size_type nitems
, bfd
*abfd
));
77 bfd_size_type bfd_write
PARAMS ((CONST PTR ptr
, bfd_size_type size
,
78 bfd_size_type nitems
, bfd
*abfd
));
79 int bfd_seek
PARAMS ((bfd
* CONST abfd
, CONST file_ptr fp
,
80 CONST
int direction
));
81 long bfd_tell
PARAMS ((bfd
*abfd
));
83 bfd
* _bfd_create_empty_archive_element_shell
PARAMS ((bfd
*obfd
));
84 bfd
* look_for_bfd_in_cache
PARAMS ((bfd
*arch_bfd
, file_ptr index
));
85 boolean _bfd_generic_mkarchive
PARAMS ((bfd
*abfd
));
86 struct areltdata
* snarf_ar_hdr
PARAMS ((bfd
*abfd
));
87 bfd_target
* bfd_generic_archive_p
PARAMS ((bfd
*abfd
));
88 boolean bfd_slurp_armap
PARAMS ((bfd
*abfd
));
89 #define bfd_slurp_bsd_armap bfd_slurp_armap
90 #define bfd_slurp_coff_armap bfd_slurp_armap
91 boolean _bfd_slurp_extended_name_table
PARAMS ((bfd
*abfd
));
92 boolean _bfd_write_archive_contents
PARAMS ((bfd
*abfd
));
93 bfd
* new_bfd
PARAMS (());
95 #define DEFAULT_STRING_SPACE_SIZE 0x2000
96 boolean bfd_add_to_string_table
PARAMS ((char **table
, char *new_string
,
97 unsigned int *table_length
,
99 bfd_vma _do_getb64
PARAMS ((unsigned char *addr
));
100 bfd_vma _do_getl64
PARAMS ((unsigned char *addr
));
101 bfd_signed_vma _do_getb_signed_64
PARAMS ((unsigned char *addr
));
102 bfd_signed_vma _do_getl_signed_64
PARAMS ((unsigned char *addr
));
103 bfd_vma _do_getb32
PARAMS ((unsigned char *addr
));
104 bfd_vma _do_getl32
PARAMS ((unsigned char *addr
));
105 bfd_signed_vma _do_getb_signed_32
PARAMS ((unsigned char *addr
));
106 bfd_signed_vma _do_getl_signed_32
PARAMS ((unsigned char *addr
));
107 bfd_vma _do_getb16
PARAMS ((unsigned char *addr
));
108 bfd_vma _do_getl16
PARAMS ((unsigned char *addr
));
109 bfd_signed_vma _do_getb_signed_16
PARAMS ((unsigned char *addr
));
110 bfd_signed_vma _do_getl_signed_16
PARAMS ((unsigned char *addr
));
111 void _do_putb64
PARAMS ((bfd_vma data
, unsigned char *addr
));
112 void _do_putl64
PARAMS ((bfd_vma data
, unsigned char *addr
));
113 void _do_putb32
PARAMS ((bfd_vma data
, unsigned char *addr
));
114 void _do_putl32
PARAMS ((bfd_vma data
, unsigned char *addr
));
115 void _do_putb16
PARAMS ((bfd_vma data
, unsigned char *addr
));
116 void _do_putl16
PARAMS ((bfd_vma data
, unsigned char *addr
));
118 boolean bfd_false
PARAMS ((bfd
*ignore
));
119 boolean bfd_true
PARAMS ((bfd
*ignore
));
120 PTR bfd_nullvoidptr
PARAMS ((bfd
*ignore
));
121 int bfd_0
PARAMS ((bfd
*ignore
));
122 unsigned int bfd_0u
PARAMS ((bfd
*ignore
));
123 void bfd_void
PARAMS ((bfd
*ignore
));
125 bfd
* new_bfd_contained_in
PARAMS ((bfd
*));
126 boolean _bfd_dummy_new_section_hook
PARAMS ((bfd
*ignore
, asection
*newsect
));
127 char * _bfd_dummy_core_file_failing_command
PARAMS ((bfd
*abfd
));
128 int _bfd_dummy_core_file_failing_signal
PARAMS ((bfd
*abfd
));
129 boolean _bfd_dummy_core_file_matches_executable_p
PARAMS ((bfd
*core_bfd
,
131 bfd_target
* _bfd_dummy_target
PARAMS ((bfd
*abfd
));
133 void bfd_dont_truncate_arname
PARAMS ((bfd
*abfd
, CONST
char *filename
,
135 void bfd_bsd_truncate_arname
PARAMS ((bfd
*abfd
, CONST
char *filename
,
137 void bfd_gnu_truncate_arname
PARAMS ((bfd
*abfd
, CONST
char *filename
,
140 boolean bsd_write_armap
PARAMS ((bfd
*arch
, unsigned int elength
,
141 struct orl
*map
, unsigned int orl_count
, int stridx
));
143 boolean coff_write_armap
PARAMS ((bfd
*arch
, unsigned int elength
,
144 struct orl
*map
, unsigned int orl_count
, int stridx
));
146 bfd
* bfd_generic_openr_next_archived_file
PARAMS ((bfd
*archive
,
149 int bfd_generic_stat_arch_elt
PARAMS ((bfd
*, struct stat
*));
151 boolean bfd_generic_get_section_contents
PARAMS ((bfd
*abfd
, sec_ptr section
,
152 PTR location
, file_ptr offset
,
153 bfd_size_type count
));
155 boolean bfd_generic_set_section_contents
PARAMS ((bfd
*abfd
, sec_ptr section
,
156 PTR location
, file_ptr offset
,
157 bfd_size_type count
));
159 /* Macros to tell if bfds are read or write enabled.
161 Note that bfds open for read may be scribbled into if the fd passed
162 to bfd_fdopenr is actually open both for read and write
163 simultaneously. However an output bfd will never be open for
164 read. Therefore sometimes you want to check bfd_read_p or
165 !bfd_read_p, and only sometimes bfd_write_p.
168 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
169 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
171 void bfd_assert
PARAMS ((char*,int));
173 #define BFD_ASSERT(x) \
174 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
177 { bfd_assert(__FILE__,__LINE__); }
179 FILE * bfd_cache_lookup_worker
PARAMS ((bfd
*));
181 extern bfd
*bfd_last_cache
;
183 /* Now Steve, what's the story here? */
188 #define itos(x) ((char*)(x))
189 #define stoi(x) ((int)(x))
192 /* Generic routine for close_and_cleanup is really just bfd_true. */
193 #define bfd_generic_close_and_cleanup bfd_true
195 /* And more follows */
198 bfd_check_init
PARAMS ((void));
201 bfd_xmalloc
PARAMS (( bfd_size_type size
));
204 bfd_write_bigendian_4byte_int
PARAMS ((bfd
*abfd
, int i
));
207 bfd_log2
PARAMS ((bfd_vma x
));
209 #define BFD_CACHE_MAX_OPEN 10
210 extern bfd
*bfd_last_cache
;
212 #define bfd_cache_lookup(x) \
213 ((x)==bfd_last_cache? \
214 (FILE*)(bfd_last_cache->iostream): \
215 bfd_cache_lookup_worker(x))
217 bfd_cache_init
PARAMS ((bfd
*));
220 bfd_cache_close
PARAMS ((bfd
*));
223 bfd_open_file
PARAMS ((bfd
*));
226 bfd_cache_lookup_worker
PARAMS ((bfd
*));
229 bfd_constructor_entry
PARAMS ((bfd
*abfd
,
230 asymbol
**symbol_ptr_ptr
,
233 CONST
struct reloc_howto_struct
*
234 bfd_default_reloc_type_lookup
235 PARAMS ((bfd
*abfd AND
236 bfd_reloc_code_real_type code
));
239 bfd_generic_relax_section
246 bfd_generic_get_relocated_section_contents
PARAMS ((bfd
*abfd
,
247 struct bfd_seclet
*seclet
,
249 boolean relocateable
));
252 bfd_generic_seclet_link
255 boolean relocateable
));
257 extern bfd_arch_info_type bfd_default_arch_struct
;
259 bfd_default_set_arch_mach
PARAMS ((bfd
*abfd
,
260 enum bfd_architecture arch
,
261 unsigned long mach
));
264 bfd_arch_init
PARAMS ((void));
267 bfd_arch_linkin
PARAMS ((bfd_arch_info_type
*));
269 CONST bfd_arch_info_type
*
270 bfd_default_compatible
271 PARAMS ((CONST bfd_arch_info_type
*a
,
272 CONST bfd_arch_info_type
*b
));
275 bfd_default_scan
PARAMS ((CONST
struct bfd_arch_info
*, CONST
char *));
277 struct elf_internal_shdr
*
278 bfd_elf_find_section
PARAMS ((bfd
*abfd
, char *name
));