1 /* Main header file for the bfd library -- portable access to object files.
3 Copyright (C) 1990-2015 Free Software Foundation, Inc.
5 Contributed by Cygnus Support.
7 This file is part of BFD, the Binary File Descriptor library.
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
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
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.
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
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
23 #ifndef __BFD_H_SEEN__
24 #define __BFD_H_SEEN__
26 /* PR 14072: Ensure that config.h is included first. */
27 #if !defined PACKAGE && !defined PACKAGE_VERSION
28 #error config.h must be included before this header
39 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
41 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
42 The problem is, "32_" is not a valid preprocessing token, and we don't
43 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will
44 cause the inner CONCAT2 macros to be evaluated first, producing
45 still-valid pp-tokens. Then the final concatenation can be done. */
47 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
51 /* This is a utility macro to handle the situation where the code
52 wants to place a constant string into the code, followed by a
53 comma and then the length of the string. Doing this by hand
54 is error prone, so using this macro is safer. */
55 #define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
56 /* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
57 to create the arguments to another macro, since the preprocessor
58 will mis-count the number of arguments to the outer macro (by not
59 evaluating STRING_COMMA_LEN and so missing the comma). This is a
60 problem for example when trying to use STRING_COMMA_LEN to build
61 the arguments to the strncmp() macro. Hence this alternative
62 definition of strncmp is provided here.
64 Note - these macros do NOT work if STR2 is not a constant string. */
65 #define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
66 /* strcpy() can have a similar problem, but since we know we are
67 copying a constant string, we can use memcpy which will be faster
68 since there is no need to check for a NUL byte inside STR. We
69 can also save time if we do not need to copy the terminating NUL. */
70 #define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
71 #define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
74 #define BFD_SUPPORTS_PLUGINS @supports_plugins@
76 /* The word size used by BFD on the host. This may be 64 with a 32
77 bit target if the host is 64 bit, or if other 64 bit targets have
78 been selected with --enable-targets, or if --enable-64-bit-bfd. */
79 #define BFD_ARCH_SIZE @wordsize@
81 /* The word size of the default bfd target. */
82 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
84 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
85 #define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
86 #if @BFD_HOST_64_BIT_DEFINED@
87 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
88 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
89 typedef BFD_HOST_64_BIT bfd_int64_t
;
90 typedef BFD_HOST_U_64_BIT bfd_uint64_t
;
93 #if BFD_ARCH_SIZE >= 64
99 #define INLINE __inline__
105 /* Declaring a type wide enough to hold a host long and a host pointer. */
106 #define BFD_HOSTPTR_T @BFD_HOSTPTR_T@
107 typedef BFD_HOSTPTR_T bfd_hostptr_t
;
109 /* Forward declaration. */
110 typedef struct bfd bfd
;
112 /* Boolean type used in bfd. Too many systems define their own
113 versions of "boolean" for us to safely typedef a "boolean" of
114 our own. Using an enum for "bfd_boolean" has its own set of
115 problems, with strange looking casts required to avoid warnings
116 on some older compilers. Thus we just use an int.
118 General rule: Functions which are bfd_boolean return TRUE on
119 success and FALSE on failure (unless they're a predicate). */
121 typedef int bfd_boolean
;
129 #ifndef BFD_HOST_64_BIT
130 #error No 64 bit integer type available
131 #endif /* ! defined (BFD_HOST_64_BIT) */
133 typedef BFD_HOST_U_64_BIT bfd_vma
;
134 typedef BFD_HOST_64_BIT bfd_signed_vma
;
135 typedef BFD_HOST_U_64_BIT bfd_size_type
;
136 typedef BFD_HOST_U_64_BIT symvalue
;
138 #if BFD_HOST_64BIT_LONG
139 #define BFD_VMA_FMT "l"
140 #elif defined (__MSVCRT__)
141 #define BFD_VMA_FMT "I64"
143 #define BFD_VMA_FMT "ll"
147 #define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
148 #define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
151 #else /* not BFD64 */
153 /* Represent a target address. Also used as a generic unsigned type
154 which is guaranteed to be big enough to hold any arithmetic types
155 we need to deal with. */
156 typedef unsigned long bfd_vma
;
158 /* A generic signed type which is guaranteed to be big enough to hold any
159 arithmetic types we need to deal with. Can be assumed to be compatible
160 with bfd_vma in the same way that signed and unsigned ints are compatible
161 (as parameters, in assignment, etc). */
162 typedef long bfd_signed_vma
;
164 typedef unsigned long symvalue
;
165 typedef unsigned long bfd_size_type
;
167 /* Print a bfd_vma x on stream s. */
168 #define BFD_VMA_FMT "l"
169 #define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)
170 #define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)
172 #endif /* not BFD64 */
174 #define HALF_BFD_SIZE_TYPE \
175 (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
177 #ifndef BFD_HOST_64_BIT
178 /* Fall back on a 32 bit type. The idea is to make these types always
179 available for function return types, but in the case that
180 BFD_HOST_64_BIT is undefined such a function should abort or
181 otherwise signal an error. */
182 typedef bfd_signed_vma bfd_int64_t
;
183 typedef bfd_vma bfd_uint64_t
;
186 /* An offset into a file. BFD always uses the largest possible offset
187 based on the build time availability of fseek, fseeko, or fseeko64. */
188 typedef @bfd_file_ptr@ file_ptr
;
189 typedef unsigned @bfd_file_ptr@ ufile_ptr
;
191 extern void bfd_sprintf_vma (bfd
*, char *, bfd_vma
);
192 extern void bfd_fprintf_vma (bfd
*, void *, bfd_vma
);
194 #define printf_vma(x) fprintf_vma(stdout,x)
195 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
197 typedef unsigned int flagword
; /* 32 bits of flags */
198 typedef unsigned char bfd_byte
;
202 typedef enum bfd_format
204 bfd_unknown
= 0, /* File format is unknown. */
205 bfd_object
, /* Linker/assembler/compiler output. */
206 bfd_archive
, /* Object archive file. */
207 bfd_core
, /* Core dump. */
208 bfd_type_end
/* Marks the end; don't use it! */
212 /* Symbols and relocation. */
214 /* A count of carsyms (canonical archive symbols). */
215 typedef unsigned long symindex
;
217 /* How to perform a relocation. */
218 typedef const struct reloc_howto_struct reloc_howto_type
;
220 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
222 /* General purpose part of a symbol X;
223 target specific parts are in libcoff.h, libaout.h, etc. */
225 #define bfd_get_section(x) ((x)->section)
226 #define bfd_get_output_section(x) ((x)->section->output_section)
227 #define bfd_set_section(x,y) ((x)->section) = (y)
228 #define bfd_asymbol_base(x) ((x)->section->vma)
229 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
230 #define bfd_asymbol_name(x) ((x)->name)
231 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
232 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
233 #define bfd_asymbol_flavour(x) \
234 (((x)->flags & BSF_SYNTHETIC) != 0 \
235 ? bfd_target_unknown_flavour \
236 : bfd_asymbol_bfd (x)->xvec->flavour)
238 /* A canonical archive symbol. */
239 /* This is a type pun with struct ranlib on purpose! */
240 typedef struct carsym
243 file_ptr file_offset
; /* Look here to find the file. */
245 carsym
; /* To make these you call a carsymogen. */
247 /* Used in generating armaps (archive tables of contents).
248 Perhaps just a forward definition would do? */
249 struct orl
/* Output ranlib. */
251 char **name
; /* Symbol name. */
256 } u
; /* bfd* or file position. */
257 int namidx
; /* Index into string table. */
260 /* Linenumber stuff. */
261 typedef struct lineno_cache_entry
263 unsigned int line_number
; /* Linenumber from start of function. */
266 struct bfd_symbol
*sym
; /* Function name. */
267 bfd_vma offset
; /* Offset into section. */
272 /* Object and core file sections. */
274 #define align_power(addr, align) \
275 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
277 typedef struct bfd_section
*sec_ptr
;
279 #define bfd_get_section_name(bfd, ptr) ((void) bfd, (ptr)->name)
280 #define bfd_get_section_vma(bfd, ptr) ((void) bfd, (ptr)->vma)
281 #define bfd_get_section_lma(bfd, ptr) ((void) bfd, (ptr)->lma)
282 #define bfd_get_section_alignment(bfd, ptr) ((void) bfd, \
283 (ptr)->alignment_power)
284 #define bfd_section_name(bfd, ptr) ((ptr)->name)
285 #define bfd_section_size(bfd, ptr) ((ptr)->size)
286 #define bfd_get_section_size(ptr) ((ptr)->size)
287 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
288 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
289 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
290 #define bfd_get_section_flags(bfd, ptr) ((void) bfd, (ptr)->flags)
291 #define bfd_get_section_userdata(bfd, ptr) ((void) bfd, (ptr)->userdata)
293 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
295 #define bfd_get_section_limit_octets(bfd, sec) \
296 ((bfd)->direction != write_direction && (sec)->rawsize != 0 \
297 ? (sec)->rawsize : (sec)->size)
299 /* Find the address one past the end of SEC. */
300 #define bfd_get_section_limit(bfd, sec) \
301 (bfd_get_section_limit_octets(bfd, sec) / bfd_octets_per_byte (bfd))
303 /* Return TRUE if input section SEC has been discarded. */
304 #define discarded_section(sec) \
305 (!bfd_is_abs_section (sec) \
306 && bfd_is_abs_section ((sec)->output_section) \
307 && (sec)->sec_info_type != SEC_INFO_TYPE_MERGE \
308 && (sec)->sec_info_type != SEC_INFO_TYPE_JUST_SYMS)
310 typedef enum bfd_print_symbol
312 bfd_print_symbol_name
,
313 bfd_print_symbol_more
,
315 } bfd_print_symbol_type
;
317 /* Information about a symbol that nm needs. */
319 typedef struct _symbol_info
323 const char *name
; /* Symbol name. */
324 unsigned char stab_type
; /* Stab type. */
325 char stab_other
; /* Stab other. */
326 short stab_desc
; /* Stab desc. */
327 const char *stab_name
; /* String for stab type. */
330 /* Get the name of a stabs type code. */
332 extern const char *bfd_get_stab_name (int);
334 /* Hash table routines. There is no way to free up a hash table. */
336 /* An element in the hash table. Most uses will actually use a larger
337 structure, and an instance of this will be the first field. */
339 struct bfd_hash_entry
341 /* Next entry for this hash code. */
342 struct bfd_hash_entry
*next
;
343 /* String being hashed. */
345 /* Hash code. This is the full hash code, not the index into the
352 struct bfd_hash_table
354 /* The hash array. */
355 struct bfd_hash_entry
**table
;
356 /* A function used to create new elements in the hash table. The
357 first entry is itself a pointer to an element. When this
358 function is first invoked, this pointer will be NULL. However,
359 having the pointer permits a hierarchy of method functions to be
360 built each of which calls the function in the superclass. Thus
361 each function should be written to allocate a new block of memory
362 only if the argument is NULL. */
363 struct bfd_hash_entry
*(*newfunc
)
364 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *);
365 /* An objalloc for this hash table. This is a struct objalloc *,
366 but we use void * to avoid requiring the inclusion of objalloc.h. */
368 /* The number of slots in the hash table. */
370 /* The number of entries in the hash table. */
372 /* The size of elements. */
373 unsigned int entsize
;
374 /* If non-zero, don't grow the hash table. */
375 unsigned int frozen
:1;
378 /* Initialize a hash table. */
379 extern bfd_boolean bfd_hash_table_init
380 (struct bfd_hash_table
*,
381 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
382 struct bfd_hash_table
*,
386 /* Initialize a hash table specifying a size. */
387 extern bfd_boolean bfd_hash_table_init_n
388 (struct bfd_hash_table
*,
389 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
390 struct bfd_hash_table
*,
392 unsigned int, unsigned int);
394 /* Free up a hash table. */
395 extern void bfd_hash_table_free
396 (struct bfd_hash_table
*);
398 /* Look up a string in a hash table. If CREATE is TRUE, a new entry
399 will be created for this string if one does not already exist. The
400 COPY argument must be TRUE if this routine should copy the string
401 into newly allocated memory when adding an entry. */
402 extern struct bfd_hash_entry
*bfd_hash_lookup
403 (struct bfd_hash_table
*, const char *, bfd_boolean create
,
406 /* Insert an entry in a hash table. */
407 extern struct bfd_hash_entry
*bfd_hash_insert
408 (struct bfd_hash_table
*, const char *, unsigned long);
410 /* Rename an entry in a hash table. */
411 extern void bfd_hash_rename
412 (struct bfd_hash_table
*, const char *, struct bfd_hash_entry
*);
414 /* Replace an entry in a hash table. */
415 extern void bfd_hash_replace
416 (struct bfd_hash_table
*, struct bfd_hash_entry
*old
,
417 struct bfd_hash_entry
*nw
);
419 /* Base method for creating a hash table entry. */
420 extern struct bfd_hash_entry
*bfd_hash_newfunc
421 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *);
423 /* Grab some space for a hash table entry. */
424 extern void *bfd_hash_allocate
425 (struct bfd_hash_table
*, unsigned int);
427 /* Traverse a hash table in a random order, calling a function on each
428 element. If the function returns FALSE, the traversal stops. The
429 INFO argument is passed to the function. */
430 extern void bfd_hash_traverse
431 (struct bfd_hash_table
*,
432 bfd_boolean (*) (struct bfd_hash_entry
*, void *),
435 /* Allows the default size of a hash table to be configured. New hash
436 tables allocated using bfd_hash_table_init will be created with
438 extern unsigned long bfd_hash_set_default_size (unsigned long);
440 /* Types of compressed DWARF debug sections. We currently support
442 enum compressed_debug_section_type
444 COMPRESS_DEBUG_NONE
= 0,
445 COMPRESS_DEBUG
= 1 << 0,
446 COMPRESS_DEBUG_ZLIB
= COMPRESS_DEBUG
| 1 << 1,
447 COMPRESS_DEBUG_GNU_ZLIB
= COMPRESS_DEBUG
| 1 << 2,
448 COMPRESS_DEBUG_GABI_ZLIB
= COMPRESS_DEBUG
| 1 << 3
451 /* This structure is used to keep track of stabs in sections
452 information while linking. */
456 /* A hash table used to hold stabs strings. */
457 struct bfd_strtab_hash
*strings
;
458 /* The header file hash table. */
459 struct bfd_hash_table includes
;
460 /* The first .stabstr section. */
461 struct bfd_section
*stabstr
;
464 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
466 /* User program access to BFD facilities. */
468 /* Direct I/O routines, for programs which know more about the object
469 file than BFD does. Use higher level routines if possible. */
471 extern bfd_size_type
bfd_bread (void *, bfd_size_type
, bfd
*);
472 extern bfd_size_type
bfd_bwrite (const void *, bfd_size_type
, bfd
*);
473 extern int bfd_seek (bfd
*, file_ptr
, int);
474 extern file_ptr
bfd_tell (bfd
*);
475 extern int bfd_flush (bfd
*);
476 extern int bfd_stat (bfd
*, struct stat
*);
478 /* Deprecated old routines. */
480 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
481 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
482 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
483 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
484 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
485 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
487 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
488 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
489 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
490 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
491 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
492 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
494 extern void warn_deprecated (const char *, const char *, int, const char *);
496 /* Cast from const char * to char * so that caller can assign to
497 a char * without a warning. */
498 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
499 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
500 #define bfd_get_format(abfd) ((abfd)->format)
501 #define bfd_get_target(abfd) ((abfd)->xvec->name)
502 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
503 #define bfd_family_coff(abfd) \
504 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
505 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
506 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
507 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
508 #define bfd_header_big_endian(abfd) \
509 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
510 #define bfd_header_little_endian(abfd) \
511 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
512 #define bfd_get_file_flags(abfd) ((abfd)->flags)
513 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
514 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
515 #define bfd_my_archive(abfd) ((abfd)->my_archive)
516 #define bfd_has_map(abfd) ((abfd)->has_armap)
517 #define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
519 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
520 #define bfd_usrdata(abfd) ((abfd)->usrdata)
522 #define bfd_get_start_address(abfd) ((abfd)->start_address)
523 #define bfd_get_symcount(abfd) ((abfd)->symcount)
524 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
525 #define bfd_count_sections(abfd) ((abfd)->section_count)
527 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
529 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
531 extern bfd_boolean bfd_cache_close
533 /* NB: This declaration should match the autogenerated one in libbfd.h. */
535 extern bfd_boolean
bfd_cache_close_all (void);
537 extern bfd_boolean bfd_record_phdr
538 (bfd
*, unsigned long, bfd_boolean
, flagword
, bfd_boolean
, bfd_vma
,
539 bfd_boolean
, bfd_boolean
, unsigned int, struct bfd_section
**);
541 /* Byte swapping routines. */
543 bfd_uint64_t
bfd_getb64 (const void *);
544 bfd_uint64_t
bfd_getl64 (const void *);
545 bfd_int64_t
bfd_getb_signed_64 (const void *);
546 bfd_int64_t
bfd_getl_signed_64 (const void *);
547 bfd_vma
bfd_getb32 (const void *);
548 bfd_vma
bfd_getl32 (const void *);
549 bfd_signed_vma
bfd_getb_signed_32 (const void *);
550 bfd_signed_vma
bfd_getl_signed_32 (const void *);
551 bfd_vma
bfd_getb16 (const void *);
552 bfd_vma
bfd_getl16 (const void *);
553 bfd_signed_vma
bfd_getb_signed_16 (const void *);
554 bfd_signed_vma
bfd_getl_signed_16 (const void *);
555 void bfd_putb64 (bfd_uint64_t
, void *);
556 void bfd_putl64 (bfd_uint64_t
, void *);
557 void bfd_putb32 (bfd_vma
, void *);
558 void bfd_putl32 (bfd_vma
, void *);
559 void bfd_putb16 (bfd_vma
, void *);
560 void bfd_putl16 (bfd_vma
, void *);
562 /* Byte swapping routines which take size and endiannes as arguments. */
564 bfd_uint64_t
bfd_get_bits (const void *, int, bfd_boolean
);
565 void bfd_put_bits (bfd_uint64_t
, void *, int, bfd_boolean
);
567 #if defined(__STDC__) || defined(ALMOST_STDC)
568 struct ecoff_debug_info
;
569 struct ecoff_debug_swap
;
572 struct bfd_link_info
;
573 struct bfd_link_hash_entry
;
574 struct bfd_section_already_linked
;
575 struct bfd_elf_version_tree
;
578 extern bfd_boolean
bfd_section_already_linked_table_init (void);
579 extern void bfd_section_already_linked_table_free (void);
580 extern bfd_boolean _bfd_handle_already_linked
581 (struct bfd_section
*, struct bfd_section_already_linked
*,
582 struct bfd_link_info
*);
584 /* Externally visible ECOFF routines. */
586 extern bfd_vma bfd_ecoff_get_gp_value
588 extern bfd_boolean bfd_ecoff_set_gp_value
589 (bfd
*abfd
, bfd_vma gp_value
);
590 extern bfd_boolean bfd_ecoff_set_regmasks
591 (bfd
*abfd
, unsigned long gprmask
, unsigned long fprmask
,
592 unsigned long *cprmask
);
593 extern void *bfd_ecoff_debug_init
594 (bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
595 const struct ecoff_debug_swap
*output_swap
, struct bfd_link_info
*);
596 extern void bfd_ecoff_debug_free
597 (void *handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
598 const struct ecoff_debug_swap
*output_swap
, struct bfd_link_info
*);
599 extern bfd_boolean bfd_ecoff_debug_accumulate
600 (void *handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
601 const struct ecoff_debug_swap
*output_swap
, bfd
*input_bfd
,
602 struct ecoff_debug_info
*input_debug
,
603 const struct ecoff_debug_swap
*input_swap
, struct bfd_link_info
*);
604 extern bfd_boolean bfd_ecoff_debug_accumulate_other
605 (void *handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
606 const struct ecoff_debug_swap
*output_swap
, bfd
*input_bfd
,
607 struct bfd_link_info
*);
608 extern bfd_boolean bfd_ecoff_debug_externals
609 (bfd
*abfd
, struct ecoff_debug_info
*debug
,
610 const struct ecoff_debug_swap
*swap
, bfd_boolean relocatable
,
611 bfd_boolean (*get_extr
) (struct bfd_symbol
*, struct ecoff_extr
*),
612 void (*set_index
) (struct bfd_symbol
*, bfd_size_type
));
613 extern bfd_boolean bfd_ecoff_debug_one_external
614 (bfd
*abfd
, struct ecoff_debug_info
*debug
,
615 const struct ecoff_debug_swap
*swap
, const char *name
,
616 struct ecoff_extr
*esym
);
617 extern bfd_size_type bfd_ecoff_debug_size
618 (bfd
*abfd
, struct ecoff_debug_info
*debug
,
619 const struct ecoff_debug_swap
*swap
);
620 extern bfd_boolean bfd_ecoff_write_debug
621 (bfd
*abfd
, struct ecoff_debug_info
*debug
,
622 const struct ecoff_debug_swap
*swap
, file_ptr where
);
623 extern bfd_boolean bfd_ecoff_write_accumulated_debug
624 (void *handle
, bfd
*abfd
, struct ecoff_debug_info
*debug
,
625 const struct ecoff_debug_swap
*swap
,
626 struct bfd_link_info
*info
, file_ptr where
);
628 /* Externally visible ELF routines. */
630 struct bfd_link_needed_list
632 struct bfd_link_needed_list
*next
;
637 enum dynamic_lib_link_class
{
641 DYN_NO_ADD_NEEDED
= 4,
645 enum notice_asneeded_action
{
651 extern bfd_boolean bfd_elf_record_link_assignment
652 (bfd
*, struct bfd_link_info
*, const char *, bfd_boolean
,
654 extern struct bfd_link_needed_list
*bfd_elf_get_needed_list
655 (bfd
*, struct bfd_link_info
*);
656 extern bfd_boolean bfd_elf_get_bfd_needed_list
657 (bfd
*, struct bfd_link_needed_list
**);
658 extern bfd_boolean
bfd_elf_stack_segment_size (bfd
*, struct bfd_link_info
*,
659 const char *, bfd_vma
);
660 extern bfd_boolean bfd_elf_size_dynamic_sections
661 (bfd
*, const char *, const char *, const char *, const char *, const char *,
662 const char * const *, struct bfd_link_info
*, struct bfd_section
**);
663 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
664 (bfd
*, struct bfd_link_info
*);
665 extern void bfd_elf_set_dt_needed_name
666 (bfd
*, const char *);
667 extern const char *bfd_elf_get_dt_soname
669 extern void bfd_elf_set_dyn_lib_class
670 (bfd
*, enum dynamic_lib_link_class
);
671 extern int bfd_elf_get_dyn_lib_class
673 extern struct bfd_link_needed_list
*bfd_elf_get_runpath_list
674 (bfd
*, struct bfd_link_info
*);
675 extern int bfd_elf_discard_info
676 (bfd
*, struct bfd_link_info
*);
677 extern unsigned int _bfd_elf_default_action_discarded
678 (struct bfd_section
*);
680 /* Return an upper bound on the number of bytes required to store a
681 copy of ABFD's program header table entries. Return -1 if an error
682 occurs; bfd_get_error will return an appropriate code. */
683 extern long bfd_get_elf_phdr_upper_bound
686 /* Copy ABFD's program header table entries to *PHDRS. The entries
687 will be stored as an array of Elf_Internal_Phdr structures, as
688 defined in include/elf/internal.h. To find out how large the
689 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
691 Return the number of program header table entries read, or -1 if an
692 error occurs; bfd_get_error will return an appropriate code. */
693 extern int bfd_get_elf_phdrs
694 (bfd
*abfd
, void *phdrs
);
696 /* Create a new BFD as if by bfd_openr. Rather than opening a file,
697 reconstruct an ELF file by reading the segments out of remote
698 memory based on the ELF file header at EHDR_VMA and the ELF program
699 headers it points to. If non-zero, SIZE is the known extent of the
700 object. If not null, *LOADBASEP is filled in with the difference
701 between the VMAs from which the segments were read, and the VMAs
702 the file headers (and hence BFD's idea of each section's VMA) put
705 The function TARGET_READ_MEMORY is called to copy LEN bytes from
706 the remote memory at target address VMA into the local buffer at
707 MYADDR; it should return zero on success or an `errno' code on
708 failure. TEMPL must be a BFD for a target with the word size and
709 byte order found in the remote memory. */
710 extern bfd
*bfd_elf_bfd_from_remote_memory
711 (bfd
*templ
, bfd_vma ehdr_vma
, bfd_size_type size
, bfd_vma
*loadbasep
,
712 int (*target_read_memory
) (bfd_vma vma
, bfd_byte
*myaddr
,
715 extern struct bfd_section
*_bfd_elf_tls_setup
716 (bfd
*, struct bfd_link_info
*);
718 extern struct bfd_section
*
719 _bfd_nearby_section (bfd
*, struct bfd_section
*, bfd_vma
);
721 extern void _bfd_fix_excluded_sec_syms
722 (bfd
*, struct bfd_link_info
*);
724 extern unsigned bfd_m68k_mach_to_features (int);
726 extern int bfd_m68k_features_to_mach (unsigned);
728 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
729 (bfd
*, struct bfd_link_info
*, struct bfd_section
*, struct bfd_section
*,
732 extern void bfd_elf_m68k_set_target_options (struct bfd_link_info
*, int);
734 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
735 (bfd
*, struct bfd_link_info
*, struct bfd_section
*, struct bfd_section
*,
738 extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
739 (bfd
*, struct bfd_link_info
*, struct bfd_section
*, struct bfd_section
*,
742 /* SunOS shared library support routines for the linker. */
744 extern struct bfd_link_needed_list
*bfd_sunos_get_needed_list
745 (bfd
*, struct bfd_link_info
*);
746 extern bfd_boolean bfd_sunos_record_link_assignment
747 (bfd
*, struct bfd_link_info
*, const char *);
748 extern bfd_boolean bfd_sunos_size_dynamic_sections
749 (bfd
*, struct bfd_link_info
*, struct bfd_section
**,
750 struct bfd_section
**, struct bfd_section
**);
752 /* Linux shared library support routines for the linker. */
754 extern bfd_boolean bfd_i386linux_size_dynamic_sections
755 (bfd
*, struct bfd_link_info
*);
756 extern bfd_boolean bfd_m68klinux_size_dynamic_sections
757 (bfd
*, struct bfd_link_info
*);
758 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
759 (bfd
*, struct bfd_link_info
*);
763 struct _bfd_window_internal
;
764 typedef struct _bfd_window_internal bfd_window_internal
;
766 typedef struct _bfd_window
768 /* What the user asked for. */
771 /* The actual window used by BFD. Small user-requested read-only
772 regions sharing a page may share a single window into the object
773 file. Read-write versions shouldn't until I've fixed things to
774 keep track of which portions have been claimed by the
775 application; don't want to give the same region back when the
776 application wants two writable copies! */
777 struct _bfd_window_internal
*i
;
781 extern void bfd_init_window
783 extern void bfd_free_window
785 extern bfd_boolean bfd_get_file_window
786 (bfd
*, file_ptr
, bfd_size_type
, bfd_window
*, bfd_boolean
);
788 /* XCOFF support routines for the linker. */
790 extern bfd_boolean bfd_xcoff_split_import_path
791 (bfd
*, const char *, const char **, const char **);
792 extern bfd_boolean bfd_xcoff_set_archive_import_path
793 (struct bfd_link_info
*, bfd
*, const char *);
794 extern bfd_boolean bfd_xcoff_link_record_set
795 (bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*, bfd_size_type
);
796 extern bfd_boolean bfd_xcoff_import_symbol
797 (bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*, bfd_vma
,
798 const char *, const char *, const char *, unsigned int);
799 extern bfd_boolean bfd_xcoff_export_symbol
800 (bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*);
801 extern bfd_boolean bfd_xcoff_link_count_reloc
802 (bfd
*, struct bfd_link_info
*, const char *);
803 extern bfd_boolean bfd_xcoff_record_link_assignment
804 (bfd
*, struct bfd_link_info
*, const char *);
805 extern bfd_boolean bfd_xcoff_size_dynamic_sections
806 (bfd
*, struct bfd_link_info
*, const char *, const char *,
807 unsigned long, unsigned long, unsigned long, bfd_boolean
,
808 int, bfd_boolean
, unsigned int, struct bfd_section
**, bfd_boolean
);
809 extern bfd_boolean bfd_xcoff_link_generate_rtinit
810 (bfd
*, const char *, const char *, bfd_boolean
);
812 /* XCOFF support routines for ar. */
813 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
816 /* Externally visible COFF routines. */
818 #if defined(__STDC__) || defined(ALMOST_STDC)
819 struct internal_syment
;
820 union internal_auxent
;
823 extern bfd_boolean bfd_coff_set_symbol_class
824 (bfd
*, struct bfd_symbol
*, unsigned int);
826 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
827 (bfd
*, struct bfd_link_info
*, struct bfd_section
*, struct bfd_section
*, char **);
829 /* ARM VFP11 erratum workaround support. */
832 BFD_ARM_VFP11_FIX_DEFAULT
,
833 BFD_ARM_VFP11_FIX_NONE
,
834 BFD_ARM_VFP11_FIX_SCALAR
,
835 BFD_ARM_VFP11_FIX_VECTOR
838 extern void bfd_elf32_arm_init_maps
841 extern void bfd_elf32_arm_set_vfp11_fix
842 (bfd
*, struct bfd_link_info
*);
844 extern void bfd_elf32_arm_set_cortex_a8_fix
845 (bfd
*, struct bfd_link_info
*);
847 extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
848 (bfd
*, struct bfd_link_info
*);
850 extern void bfd_elf32_arm_vfp11_fix_veneer_locations
851 (bfd
*, struct bfd_link_info
*);
853 /* ARM Interworking support. Called from linker. */
854 extern bfd_boolean bfd_arm_allocate_interworking_sections
855 (struct bfd_link_info
*);
857 extern bfd_boolean bfd_arm_process_before_allocation
858 (bfd
*, struct bfd_link_info
*, int);
860 extern bfd_boolean bfd_arm_get_bfd_for_interworking
861 (bfd
*, struct bfd_link_info
*);
863 /* PE ARM Interworking support. Called from linker. */
864 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
865 (struct bfd_link_info
*);
867 extern bfd_boolean bfd_arm_pe_process_before_allocation
868 (bfd
*, struct bfd_link_info
*, int);
870 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
871 (bfd
*, struct bfd_link_info
*);
873 /* ELF ARM Interworking support. Called from linker. */
874 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
875 (struct bfd_link_info
*);
877 extern bfd_boolean bfd_elf32_arm_process_before_allocation
878 (bfd
*, struct bfd_link_info
*);
880 void bfd_elf32_arm_set_target_relocs
881 (bfd
*, struct bfd_link_info
*, int, char *, int, int, bfd_arm_vfp11_fix
,
882 int, int, int, int, int);
884 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
885 (bfd
*, struct bfd_link_info
*);
887 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
888 (bfd
*, struct bfd_link_info
*);
890 /* ELF ARM mapping symbol support. */
891 #define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
892 #define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
893 #define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
894 #define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
896 extern bfd_boolean bfd_is_arm_special_symbol_name
899 extern void bfd_elf32_arm_set_byteswap_code
900 (struct bfd_link_info
*, int);
902 extern void bfd_elf32_arm_use_long_plt (void);
904 /* ARM Note section processing. */
905 extern bfd_boolean bfd_arm_merge_machines
908 extern bfd_boolean bfd_arm_update_notes
909 (bfd
*, const char *);
911 extern unsigned int bfd_arm_get_mach_from_notes
912 (bfd
*, const char *);
914 /* ARM stub generation support. Called from the linker. */
915 extern int elf32_arm_setup_section_lists
916 (bfd
*, struct bfd_link_info
*);
917 extern void elf32_arm_next_input_section
918 (struct bfd_link_info
*, struct bfd_section
*);
919 extern bfd_boolean elf32_arm_size_stubs
920 (bfd
*, bfd
*, struct bfd_link_info
*, bfd_signed_vma
,
921 struct bfd_section
* (*) (const char *, struct bfd_section
*, unsigned int),
923 extern bfd_boolean elf32_arm_build_stubs
924 (struct bfd_link_info
*);
926 /* ARM unwind section editing support. */
927 extern bfd_boolean elf32_arm_fix_exidx_coverage
928 (struct bfd_section
**, unsigned int, struct bfd_link_info
*, bfd_boolean
);
930 /* C6x unwind section editing support. */
931 extern bfd_boolean elf32_tic6x_fix_exidx_coverage
932 (struct bfd_section
**, unsigned int, struct bfd_link_info
*, bfd_boolean
);
934 /* PowerPC @tls opcode transform/validate. */
935 extern unsigned int _bfd_elf_ppc_at_tls_transform
936 (unsigned int, unsigned int);
937 /* PowerPC @tprel opcode transform/validate. */
938 extern unsigned int _bfd_elf_ppc_at_tprel_transform
939 (unsigned int, unsigned int);
941 extern void bfd_elf64_aarch64_init_maps
944 extern void bfd_elf32_aarch64_init_maps
947 extern void bfd_elf64_aarch64_set_options
948 (bfd
*, struct bfd_link_info
*, int, int, int, int, int);
950 extern void bfd_elf32_aarch64_set_options
951 (bfd
*, struct bfd_link_info
*, int, int, int, int, int);
953 /* ELF AArch64 mapping symbol support. */
954 #define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0)
955 #define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1)
956 #define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER (1 << 2)
957 #define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY (~0)
958 extern bfd_boolean bfd_is_aarch64_special_symbol_name
959 (const char * name
, int type
);
961 /* AArch64 stub generation support for ELF64. Called from the linker. */
962 extern int elf64_aarch64_setup_section_lists
963 (bfd
*, struct bfd_link_info
*);
964 extern void elf64_aarch64_next_input_section
965 (struct bfd_link_info
*, struct bfd_section
*);
966 extern bfd_boolean elf64_aarch64_size_stubs
967 (bfd
*, bfd
*, struct bfd_link_info
*, bfd_signed_vma
,
968 struct bfd_section
* (*) (const char *, struct bfd_section
*),
970 extern bfd_boolean elf64_aarch64_build_stubs
971 (struct bfd_link_info
*);
972 /* AArch64 stub generation support for ELF32. Called from the linker. */
973 extern int elf32_aarch64_setup_section_lists
974 (bfd
*, struct bfd_link_info
*);
975 extern void elf32_aarch64_next_input_section
976 (struct bfd_link_info
*, struct bfd_section
*);
977 extern bfd_boolean elf32_aarch64_size_stubs
978 (bfd
*, bfd
*, struct bfd_link_info
*, bfd_signed_vma
,
979 struct bfd_section
* (*) (const char *, struct bfd_section
*),
981 extern bfd_boolean elf32_aarch64_build_stubs
982 (struct bfd_link_info
*);
985 /* TI COFF load page support. */
986 extern void bfd_ticoff_set_section_load_page
987 (struct bfd_section
*, int);
989 extern int bfd_ticoff_get_section_load_page
990 (struct bfd_section
*);
992 /* H8/300 functions. */
993 extern bfd_vma bfd_h8300_pad_address
996 /* IA64 Itanium code generation. Called from linker. */
997 extern void bfd_elf32_ia64_after_parse
1000 extern void bfd_elf64_ia64_after_parse
1003 /* V850 Note manipulation routines. */
1004 extern bfd_boolean v850_elf_create_sections
1005 (struct bfd_link_info
*);
1007 extern bfd_boolean v850_elf_set_note
1008 (bfd
*, unsigned int, unsigned int);