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252b5132 | 1 | /* Main header file for the bfd library -- portable access to object files. |
c2852e88 | 2 | |
d87bef3a | 3 | Copyright (C) 1990-2023 Free Software Foundation, Inc. |
c2852e88 | 4 | |
252b5132 RH |
5 | Contributed by Cygnus Support. |
6 | ||
8afb0e02 | 7 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 8 | |
8afb0e02 NC |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 11 | the Free Software Foundation; either version 3 of the License, or |
8afb0e02 | 12 | (at your option) any later version. |
252b5132 | 13 | |
8afb0e02 NC |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
252b5132 | 18 | |
8afb0e02 NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
3e110533 | 21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 22 | |
252b5132 RH |
23 | #ifndef __BFD_H_SEEN__ |
24 | #define __BFD_H_SEEN__ | |
25 | ||
0bee45d9 NC |
26 | /* PR 14072: Ensure that config.h is included first. */ |
27 | #if !defined PACKAGE && !defined PACKAGE_VERSION | |
df7b86aa NC |
28 | #error config.h must be included before this header |
29 | #endif | |
30 | ||
252b5132 RH |
31 | #ifdef __cplusplus |
32 | extern "C" { | |
33 | #endif | |
34 | ||
35 | #include "ansidecl.h" | |
e43d48cc | 36 | #include "symcat.h" |
3dfb1b6d | 37 | #include <stdint.h> |
ad9e24ad | 38 | #include <stdbool.h> |
95da9854 | 39 | #include "diagnostics.h" |
52d45da3 | 40 | #include <stdarg.h> |
57ae980e | 41 | #include <string.h> |
f1163205 NC |
42 | #include <sys/stat.h> |
43 | ||
e43d48cc AM |
44 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
45 | #ifndef SABER | |
46 | /* This hack is to avoid a problem with some strict ANSI C preprocessors. | |
47 | The problem is, "32_" is not a valid preprocessing token, and we don't | |
48 | want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will | |
49 | cause the inner CONCAT2 macros to be evaluated first, producing | |
50 | still-valid pp-tokens. Then the final concatenation can be done. */ | |
51 | #undef CONCAT4 | |
52 | #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d)) | |
53 | #endif | |
54 | #endif | |
252b5132 | 55 | |
0112cd26 NC |
56 | /* This is a utility macro to handle the situation where the code |
57 | wants to place a constant string into the code, followed by a | |
58 | comma and then the length of the string. Doing this by hand | |
db86b2dc PA |
59 | is error prone, so using this macro is safer. */ |
60 | #define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1) | |
08dedd66 | 61 | |
ce3c775b NC |
62 | #define BFD_SUPPORTS_PLUGINS @supports_plugins@ |
63 | ||
69263e90 AM |
64 | /* The word size used by BFD on the host. This may be 64 with a 32 |
65 | bit target if the host is 64 bit, or if other 64 bit targets have | |
66 | been selected with --enable-targets, or if --enable-64-bit-bfd. */ | |
252b5132 | 67 | #define BFD_ARCH_SIZE @wordsize@ |
69263e90 AM |
68 | |
69 | /* The word size of the default bfd target. */ | |
70 | #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@ | |
71 | ||
83c79df8 | 72 | #include <inttypes.h> |
2dcf00ce | 73 | |
252b5132 RH |
74 | #if BFD_ARCH_SIZE >= 64 |
75 | #define BFD64 | |
76 | #endif | |
77 | ||
b5f79c76 | 78 | /* Forward declaration. */ |
c2852e88 | 79 | typedef struct bfd bfd; |
252b5132 | 80 | |
ad9e24ad | 81 | /* Boolean type used in bfd. |
cf3d882d | 82 | General rule: Functions which are bfd_boolean return TRUE on |
b34976b6 AM |
83 | success and FALSE on failure (unless they're a predicate). */ |
84 | ||
ad9e24ad | 85 | #ifdef POISON_BFD_BOOLEAN |
65c5fbd4 | 86 | # pragma GCC poison bfd_boolean |
ad9e24ad AM |
87 | #else |
88 | # define bfd_boolean bool | |
89 | # undef FALSE | |
90 | # undef TRUE | |
91 | # define FALSE 0 | |
92 | # define TRUE 1 | |
93 | #endif | |
b34976b6 | 94 | |
36f61bf2 | 95 | /* Silence "applying zero offset to null pointer" UBSAN warnings. */ |
1ed0032b | 96 | #define PTR_ADD(P,A) ((A) != 0 ? (P) + (A) : (P)) |
36f61bf2 | 97 | /* Also prevent non-zero offsets from being applied to a null pointer. */ |
1ed0032b | 98 | #define NPTR_ADD(P,A) ((P) != NULL ? (P) + (A) : (P)) |
36f61bf2 | 99 | |
252b5132 RH |
100 | #ifdef BFD64 |
101 | ||
1a5178fe AM |
102 | /* Represent a target address. Also used as a generic unsigned type |
103 | which is guaranteed to be big enough to hold any arithmetic types | |
104 | we need to deal with. */ | |
0e3c1eeb | 105 | typedef uint64_t bfd_vma; |
1a5178fe AM |
106 | |
107 | /* A generic signed type which is guaranteed to be big enough to hold any | |
108 | arithmetic types we need to deal with. Can be assumed to be compatible | |
109 | with bfd_vma in the same way that signed and unsigned ints are compatible | |
110 | (as parameters, in assignment, etc). */ | |
0e3c1eeb | 111 | typedef int64_t bfd_signed_vma; |
1a5178fe | 112 | |
0e3c1eeb AM |
113 | typedef uint64_t bfd_size_type; |
114 | typedef uint64_t symvalue; | |
252b5132 | 115 | |
252b5132 RH |
116 | #else /* not BFD64 */ |
117 | ||
252b5132 | 118 | typedef unsigned long bfd_vma; |
252b5132 | 119 | typedef long bfd_signed_vma; |
252b5132 RH |
120 | typedef unsigned long symvalue; |
121 | typedef unsigned long bfd_size_type; | |
122 | ||
252b5132 RH |
123 | #endif /* not BFD64 */ |
124 | ||
d0fb9a8d JJ |
125 | #define HALF_BFD_SIZE_TYPE \ |
126 | (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2)) | |
127 | ||
d7ce59e3 AC |
128 | /* An offset into a file. BFD always uses the largest possible offset |
129 | based on the build time availability of fseek, fseeko, or fseeko64. */ | |
130 | typedef @bfd_file_ptr@ file_ptr; | |
65d13793 | 131 | typedef @bfd_ufile_ptr@ ufile_ptr; |
dc810e39 | 132 | |
c58b9523 AM |
133 | extern void bfd_sprintf_vma (bfd *, char *, bfd_vma); |
134 | extern void bfd_fprintf_vma (bfd *, void *, bfd_vma); | |
ae4221d7 | 135 | |
ae4221d7 | 136 | #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x) |
252b5132 RH |
137 | |
138 | typedef unsigned int flagword; /* 32 bits of flags */ | |
139 | typedef unsigned char bfd_byte; | |
140 | \f | |
b5f79c76 | 141 | /* File formats. */ |
252b5132 | 142 | |
b5f79c76 NC |
143 | typedef enum bfd_format |
144 | { | |
145 | bfd_unknown = 0, /* File format is unknown. */ | |
5c4491d3 | 146 | bfd_object, /* Linker/assembler/compiler output. */ |
b5f79c76 NC |
147 | bfd_archive, /* Object archive file. */ |
148 | bfd_core, /* Core dump. */ | |
149 | bfd_type_end /* Marks the end; don't use it! */ | |
150 | } | |
151 | bfd_format; | |
252b5132 | 152 | \f |
b5f79c76 | 153 | /* Symbols and relocation. */ |
252b5132 RH |
154 | |
155 | /* A count of carsyms (canonical archive symbols). */ | |
156 | typedef unsigned long symindex; | |
157 | ||
252b5132 RH |
158 | #define BFD_NO_MORE_SYMBOLS ((symindex) ~0) |
159 | ||
252b5132 | 160 | /* A canonical archive symbol. */ |
b5f79c76 NC |
161 | /* This is a type pun with struct ranlib on purpose! */ |
162 | typedef struct carsym | |
163 | { | |
1d38e9d1 | 164 | const char *name; |
b5f79c76 NC |
165 | file_ptr file_offset; /* Look here to find the file. */ |
166 | } | |
167 | carsym; /* To make these you call a carsymogen. */ | |
252b5132 | 168 | |
252b5132 | 169 | /* Used in generating armaps (archive tables of contents). |
b5f79c76 | 170 | Perhaps just a forward definition would do? */ |
07d6d2b8 | 171 | struct orl /* Output ranlib. */ |
b5f79c76 NC |
172 | { |
173 | char **name; /* Symbol name. */ | |
174 | union | |
175 | { | |
dc810e39 AM |
176 | file_ptr pos; |
177 | bfd *abfd; | |
b5f79c76 NC |
178 | } u; /* bfd* or file position. */ |
179 | int namidx; /* Index into string table. */ | |
252b5132 | 180 | }; |
76e7a751 | 181 | |
b5f79c76 NC |
182 | /* Linenumber stuff. */ |
183 | typedef struct lineno_cache_entry | |
184 | { | |
185 | unsigned int line_number; /* Linenumber from start of function. */ | |
186 | union | |
187 | { | |
fc0a2244 | 188 | struct bfd_symbol *sym; /* Function name. */ |
07d6d2b8 | 189 | bfd_vma offset; /* Offset into section. */ |
252b5132 | 190 | } u; |
b5f79c76 NC |
191 | } |
192 | alent; | |
252b5132 | 193 | \f |
b5f79c76 | 194 | /* Object and core file sections. */ |
76e7a751 | 195 | typedef struct bfd_section *sec_ptr; |
252b5132 RH |
196 | |
197 | #define align_power(addr, align) \ | |
29f628db | 198 | (((addr) + ((bfd_vma) 1 << (align)) - 1) & (-((bfd_vma) 1 << (align)))) |
252b5132 | 199 | |
76e7a751 AM |
200 | /* Align an address upward to a boundary, expressed as a number of bytes. |
201 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
202 | to wrap around if the address is within boundary-1 of the end of the | |
203 | address space. */ | |
204 | #define BFD_ALIGN(this, boundary) \ | |
205 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
206 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
207 | : ~ (bfd_vma) 0) | |
252b5132 RH |
208 | \f |
209 | typedef enum bfd_print_symbol | |
60bcf0fa | 210 | { |
252b5132 RH |
211 | bfd_print_symbol_name, |
212 | bfd_print_symbol_more, | |
213 | bfd_print_symbol_all | |
214 | } bfd_print_symbol_type; | |
60bcf0fa | 215 | |
252b5132 RH |
216 | /* Information about a symbol that nm needs. */ |
217 | ||
218 | typedef struct _symbol_info | |
219 | { | |
220 | symvalue value; | |
221 | char type; | |
07d6d2b8 AM |
222 | const char *name; /* Symbol name. */ |
223 | unsigned char stab_type; /* Stab type. */ | |
224 | char stab_other; /* Stab other. */ | |
225 | short stab_desc; /* Stab desc. */ | |
226 | const char *stab_name; /* String for stab type. */ | |
252b5132 RH |
227 | } symbol_info; |
228 | ||
229 | /* Get the name of a stabs type code. */ | |
230 | ||
c58b9523 | 231 | extern const char *bfd_get_stab_name (int); |
252b5132 RH |
232 | \f |
233 | /* Hash table routines. There is no way to free up a hash table. */ | |
234 | ||
235 | /* An element in the hash table. Most uses will actually use a larger | |
236 | structure, and an instance of this will be the first field. */ | |
237 | ||
238 | struct bfd_hash_entry | |
239 | { | |
240 | /* Next entry for this hash code. */ | |
241 | struct bfd_hash_entry *next; | |
242 | /* String being hashed. */ | |
243 | const char *string; | |
244 | /* Hash code. This is the full hash code, not the index into the | |
245 | table. */ | |
246 | unsigned long hash; | |
247 | }; | |
248 | ||
249 | /* A hash table. */ | |
250 | ||
251 | struct bfd_hash_table | |
252 | { | |
253 | /* The hash array. */ | |
254 | struct bfd_hash_entry **table; | |
252b5132 RH |
255 | /* A function used to create new elements in the hash table. The |
256 | first entry is itself a pointer to an element. When this | |
257 | function is first invoked, this pointer will be NULL. However, | |
258 | having the pointer permits a hierarchy of method functions to be | |
259 | built each of which calls the function in the superclass. Thus | |
260 | each function should be written to allocate a new block of memory | |
261 | only if the argument is NULL. */ | |
b34976b6 | 262 | struct bfd_hash_entry *(*newfunc) |
c58b9523 | 263 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
07d6d2b8 | 264 | /* An objalloc for this hash table. This is a struct objalloc *, |
c58b9523 AM |
265 | but we use void * to avoid requiring the inclusion of objalloc.h. */ |
266 | void *memory; | |
98f0b6ab AM |
267 | /* The number of slots in the hash table. */ |
268 | unsigned int size; | |
269 | /* The number of entries in the hash table. */ | |
270 | unsigned int count; | |
271 | /* The size of elements. */ | |
272 | unsigned int entsize; | |
273 | /* If non-zero, don't grow the hash table. */ | |
274 | unsigned int frozen:1; | |
252b5132 RH |
275 | }; |
276 | ||
277 | /* Initialize a hash table. */ | |
0a1b45a2 | 278 | extern bool bfd_hash_table_init |
c58b9523 AM |
279 | (struct bfd_hash_table *, |
280 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
281 | struct bfd_hash_table *, | |
66eb6687 AM |
282 | const char *), |
283 | unsigned int); | |
252b5132 RH |
284 | |
285 | /* Initialize a hash table specifying a size. */ | |
0a1b45a2 | 286 | extern bool bfd_hash_table_init_n |
c58b9523 AM |
287 | (struct bfd_hash_table *, |
288 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
289 | struct bfd_hash_table *, | |
290 | const char *), | |
66eb6687 | 291 | unsigned int, unsigned int); |
252b5132 RH |
292 | |
293 | /* Free up a hash table. */ | |
b34976b6 | 294 | extern void bfd_hash_table_free |
c58b9523 | 295 | (struct bfd_hash_table *); |
252b5132 | 296 | |
b34976b6 | 297 | /* Look up a string in a hash table. If CREATE is TRUE, a new entry |
252b5132 | 298 | will be created for this string if one does not already exist. The |
b34976b6 | 299 | COPY argument must be TRUE if this routine should copy the string |
252b5132 RH |
300 | into newly allocated memory when adding an entry. */ |
301 | extern struct bfd_hash_entry *bfd_hash_lookup | |
0a1b45a2 | 302 | (struct bfd_hash_table *, const char *, bool create, bool copy); |
252b5132 | 303 | |
a69898aa AM |
304 | /* Insert an entry in a hash table. */ |
305 | extern struct bfd_hash_entry *bfd_hash_insert | |
306 | (struct bfd_hash_table *, const char *, unsigned long); | |
307 | ||
4e011fb5 AM |
308 | /* Rename an entry in a hash table. */ |
309 | extern void bfd_hash_rename | |
310 | (struct bfd_hash_table *, const char *, struct bfd_hash_entry *); | |
311 | ||
252b5132 RH |
312 | /* Replace an entry in a hash table. */ |
313 | extern void bfd_hash_replace | |
c58b9523 AM |
314 | (struct bfd_hash_table *, struct bfd_hash_entry *old, |
315 | struct bfd_hash_entry *nw); | |
252b5132 RH |
316 | |
317 | /* Base method for creating a hash table entry. */ | |
318 | extern struct bfd_hash_entry *bfd_hash_newfunc | |
c58b9523 | 319 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
252b5132 RH |
320 | |
321 | /* Grab some space for a hash table entry. */ | |
c58b9523 AM |
322 | extern void *bfd_hash_allocate |
323 | (struct bfd_hash_table *, unsigned int); | |
252b5132 RH |
324 | |
325 | /* Traverse a hash table in a random order, calling a function on each | |
b34976b6 | 326 | element. If the function returns FALSE, the traversal stops. The |
252b5132 | 327 | INFO argument is passed to the function. */ |
b34976b6 | 328 | extern void bfd_hash_traverse |
c58b9523 | 329 | (struct bfd_hash_table *, |
0a1b45a2 | 330 | bool (*) (struct bfd_hash_entry *, void *), |
c58b9523 | 331 | void *info); |
252b5132 | 332 | |
2d643429 NC |
333 | /* Allows the default size of a hash table to be configured. New hash |
334 | tables allocated using bfd_hash_table_init will be created with | |
335 | this size. */ | |
8ad17b3a | 336 | extern unsigned long bfd_hash_set_default_size (unsigned long); |
2d643429 | 337 | |
3722b82f AM |
338 | /* This structure is used to keep track of stabs in sections |
339 | information while linking. */ | |
340 | ||
341 | struct stab_info | |
342 | { | |
343 | /* A hash table used to hold stabs strings. */ | |
344 | struct bfd_strtab_hash *strings; | |
345 | /* The header file hash table. */ | |
346 | struct bfd_hash_table includes; | |
347 | /* The first .stabstr section. */ | |
348 | struct bfd_section *stabstr; | |
349 | }; | |
350 | ||
c58b9523 | 351 | #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table |
e43d48cc | 352 | |
b5f79c76 | 353 | /* User program access to BFD facilities. */ |
252b5132 RH |
354 | |
355 | /* Direct I/O routines, for programs which know more about the object | |
356 | file than BFD does. Use higher level routines if possible. */ | |
357 | ||
c58b9523 AM |
358 | extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *); |
359 | extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *); | |
360 | extern int bfd_seek (bfd *, file_ptr, int); | |
7c192733 | 361 | extern file_ptr bfd_tell (bfd *); |
c58b9523 AM |
362 | extern int bfd_flush (bfd *); |
363 | extern int bfd_stat (bfd *, struct stat *); | |
dc810e39 AM |
364 | |
365 | /* Deprecated old routines. */ | |
366 | #if __GNUC__ | |
367 | #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ | |
8c8402cc | 368 | (_bfd_warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \ |
dc810e39 AM |
369 | bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) |
370 | #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ | |
07d6d2b8 | 371 | (_bfd_warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \ |
dc810e39 AM |
372 | bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) |
373 | #else | |
374 | #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \ | |
8c8402cc | 375 | (_bfd_warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \ |
dc810e39 AM |
376 | bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) |
377 | #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \ | |
8c8402cc | 378 | (_bfd_warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\ |
dc810e39 AM |
379 | bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD))) |
380 | #endif | |
8c8402cc | 381 | extern void _bfd_warn_deprecated (const char *, const char *, int, const char *); |
252b5132 | 382 | |
0a1b45a2 | 383 | extern bool bfd_cache_close |
c58b9523 | 384 | (bfd *abfd); |
d436a9b3 FCE |
385 | /* NB: This declaration should match the autogenerated one in libbfd.h. */ |
386 | ||
0a1b45a2 | 387 | extern bool bfd_cache_close_all (void); |
02d5a37b | 388 | |
0a1b45a2 AM |
389 | extern bool bfd_record_phdr |
390 | (bfd *, unsigned long, bool, flagword, bool, bfd_vma, | |
391 | bool, bool, unsigned int, struct bfd_section **); | |
252b5132 RH |
392 | |
393 | /* Byte swapping routines. */ | |
394 | ||
0e3c1eeb AM |
395 | uint64_t bfd_getb64 (const void *); |
396 | uint64_t bfd_getl64 (const void *); | |
397 | int64_t bfd_getb_signed_64 (const void *); | |
398 | int64_t bfd_getl_signed_64 (const void *); | |
edeb6e24 AM |
399 | bfd_vma bfd_getb32 (const void *); |
400 | bfd_vma bfd_getl32 (const void *); | |
401 | bfd_signed_vma bfd_getb_signed_32 (const void *); | |
402 | bfd_signed_vma bfd_getl_signed_32 (const void *); | |
403 | bfd_vma bfd_getb16 (const void *); | |
404 | bfd_vma bfd_getl16 (const void *); | |
405 | bfd_signed_vma bfd_getb_signed_16 (const void *); | |
406 | bfd_signed_vma bfd_getl_signed_16 (const void *); | |
0e3c1eeb AM |
407 | void bfd_putb64 (uint64_t, void *); |
408 | void bfd_putl64 (uint64_t, void *); | |
edeb6e24 AM |
409 | void bfd_putb32 (bfd_vma, void *); |
410 | void bfd_putl32 (bfd_vma, void *); | |
7b4ae824 JD |
411 | void bfd_putb24 (bfd_vma, void *); |
412 | void bfd_putl24 (bfd_vma, void *); | |
edeb6e24 AM |
413 | void bfd_putb16 (bfd_vma, void *); |
414 | void bfd_putl16 (bfd_vma, void *); | |
8c603c85 NC |
415 | |
416 | /* Byte swapping routines which take size and endiannes as arguments. */ | |
417 | ||
0e3c1eeb AM |
418 | uint64_t bfd_get_bits (const void *, int, bool); |
419 | void bfd_put_bits (uint64_t, void *, int, bool); | |
082b7297 | 420 | |
f652615e | 421 | |
252b5132 RH |
422 | /* mmap hacks */ |
423 | ||
424 | struct _bfd_window_internal; | |
425 | typedef struct _bfd_window_internal bfd_window_internal; | |
426 | ||
b5f79c76 NC |
427 | typedef struct _bfd_window |
428 | { | |
252b5132 | 429 | /* What the user asked for. */ |
c58b9523 | 430 | void *data; |
252b5132 RH |
431 | bfd_size_type size; |
432 | /* The actual window used by BFD. Small user-requested read-only | |
433 | regions sharing a page may share a single window into the object | |
434 | file. Read-write versions shouldn't until I've fixed things to | |
435 | keep track of which portions have been claimed by the | |
436 | application; don't want to give the same region back when the | |
437 | application wants two writable copies! */ | |
438 | struct _bfd_window_internal *i; | |
b5f79c76 NC |
439 | } |
440 | bfd_window; | |
252b5132 | 441 | |
b34976b6 | 442 | extern void bfd_init_window |
c58b9523 | 443 | (bfd_window *); |
b34976b6 | 444 | extern void bfd_free_window |
c58b9523 | 445 | (bfd_window *); |
0a1b45a2 AM |
446 | extern bool bfd_get_file_window |
447 | (bfd *, file_ptr, bfd_size_type, bfd_window *, bool); | |
640197ac AM |
448 | \f |
449 | /* Externally visible ELF routines. */ | |
450 | ||
451 | /* Create a new BFD as if by bfd_openr. Rather than opening a file, | |
452 | reconstruct an ELF file by reading the segments out of remote | |
453 | memory based on the ELF file header at EHDR_VMA and the ELF program | |
454 | headers it points to. If non-zero, SIZE is the known extent of the | |
455 | object. If not null, *LOADBASEP is filled in with the difference | |
456 | between the VMAs from which the segments were read, and the VMAs | |
457 | the file headers (and hence BFD's idea of each section's VMA) put | |
458 | them at. | |
459 | ||
460 | The function TARGET_READ_MEMORY is called to copy LEN bytes from | |
461 | the remote memory at target address VMA into the local buffer at | |
462 | MYADDR; it should return zero on success or an `errno' code on | |
463 | failure. TEMPL must be a BFD for a target with the word size and | |
464 | byte order found in the remote memory. */ | |
465 | extern bfd *bfd_elf_bfd_from_remote_memory | |
466 | (bfd *templ, bfd_vma ehdr_vma, bfd_size_type size, bfd_vma *loadbasep, | |
467 | int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, | |
468 | bfd_size_type len)); | |
469 | ||
470 | /* Forward declarations. */ | |
471 | struct ecoff_debug_info; | |
472 | struct ecoff_debug_swap; | |
473 | struct ecoff_extr; | |
474 | struct bfd_link_info; | |
475 | struct bfd_link_hash_entry; | |
e9338841 AM |
476 | |
477 | /* Return TRUE if the start of STR matches PREFIX, FALSE otherwise. */ | |
478 | ||
0a1b45a2 | 479 | static inline bool |
e9338841 AM |
480 | startswith (const char *str, const char *prefix) |
481 | { | |
482 | return strncmp (str, prefix, strlen (prefix)) == 0; | |
483 | } |