1 /* Main header file for the bfd library -- portable access to object files.
3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
4 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
5 Free Software Foundation, Inc.
7 Contributed by Cygnus Support.
9 This file is part of BFD, the Binary File Descriptor library.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
25 #ifndef __BFD_H_SEEN__
26 #define __BFD_H_SEEN__
34 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
36 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
37 The problem is, "32_" is not a valid preprocessing token, and we don't
38 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will
39 cause the inner CONCAT2 macros to be evaluated first, producing
40 still-valid pp-tokens. Then the final concatenation can be done. */
42 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
46 /* This is a utility macro to handle the situation where the code
47 wants to place a constant string into the code, followed by a
48 comma and then the length of the string. Doing this by hand
49 is error prone, so using this macro is safer. The macro will
50 also safely handle the case where a NULL is passed as the arg. */
51 #define STRING_COMMA_LEN(STR) (STR), ((STR) ? sizeof (STR) - 1 : 0)
52 /* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
53 to create the arguments to another macro, since the preprocessor
54 will mis-count the number of arguments to the outer macro (by not
55 evaluating STRING_COMMA_LEN and so missing the comma). This is a
56 problem for example when trying to use STRING_COMMA_LEN to build
57 the arguments to the strncmp() macro. Hence this alternative
58 definition of strncmp is provided here.
60 Note - these macros do NOT work if STR2 is not a constant string. */
61 #define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
62 #define CONST_STRNCPY(STR1,STR2) strncpy ((STR1), (STR2), sizeof (STR2) - 1)
65 /* The word size used by BFD on the host. This may be 64 with a 32
66 bit target if the host is 64 bit, or if other 64 bit targets have
67 been selected with --enable-targets, or if --enable-64-bit-bfd. */
68 #define BFD_ARCH_SIZE @wordsize@
70 /* The word size of the default bfd target. */
71 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
73 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
74 #define BFD_HOST_LONG_LONG @BFD_HOST_LONG_LONG@
75 #if @BFD_HOST_64_BIT_DEFINED@
76 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
77 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
78 typedef BFD_HOST_64_BIT bfd_int64_t;
79 typedef BFD_HOST_U_64_BIT bfd_uint64_t;
82 #if BFD_ARCH_SIZE >= 64
88 #define INLINE __inline__
94 /* Forward declaration. */
95 typedef struct bfd bfd;
97 /* Boolean type used in bfd. Too many systems define their own
98 versions of "boolean" for us to safely typedef a "boolean" of
99 our own. Using an enum for "bfd_boolean" has its own set of
100 problems, with strange looking casts required to avoid warnings
101 on some older compilers. Thus we just use an int.
103 General rule: Functions which are bfd_boolean return TRUE on
104 success and FALSE on failure (unless they're a predicate). */
106 typedef int bfd_boolean;
114 #ifndef BFD_HOST_64_BIT
115 #error No 64 bit integer type available
116 #endif /* ! defined (BFD_HOST_64_BIT) */
118 typedef BFD_HOST_U_64_BIT bfd_vma;
119 typedef BFD_HOST_64_BIT bfd_signed_vma;
120 typedef BFD_HOST_U_64_BIT bfd_size_type;
121 typedef BFD_HOST_U_64_BIT symvalue;
124 #if BFD_HOST_64BIT_LONG
125 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
126 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
128 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
129 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
130 #define fprintf_vma(s,x) \
131 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
132 #define sprintf_vma(s,x) \
133 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
137 #else /* not BFD64 */
139 /* Represent a target address. Also used as a generic unsigned type
140 which is guaranteed to be big enough to hold any arithmetic types
141 we need to deal with. */
142 typedef unsigned long bfd_vma;
144 /* A generic signed type which is guaranteed to be big enough to hold any
145 arithmetic types we need to deal with. Can be assumed to be compatible
146 with bfd_vma in the same way that signed and unsigned ints are compatible
147 (as parameters, in assignment, etc). */
148 typedef long bfd_signed_vma;
150 typedef unsigned long symvalue;
151 typedef unsigned long bfd_size_type;
153 /* Print a bfd_vma x on stream s. */
154 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
155 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
157 #endif /* not BFD64 */
159 #define HALF_BFD_SIZE_TYPE \
160 (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
162 #ifndef BFD_HOST_64_BIT
163 /* Fall back on a 32 bit type. The idea is to make these types always
164 available for function return types, but in the case that
165 BFD_HOST_64_BIT is undefined such a function should abort or
166 otherwise signal an error. */
167 typedef bfd_signed_vma bfd_int64_t;
168 typedef bfd_vma bfd_uint64_t;
171 /* An offset into a file. BFD always uses the largest possible offset
172 based on the build time availability of fseek, fseeko, or fseeko64. */
173 typedef @bfd_file_ptr@ file_ptr;
174 typedef unsigned @bfd_file_ptr@ ufile_ptr;
176 extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
177 extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
179 #define printf_vma(x) fprintf_vma(stdout,x)
180 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
182 typedef unsigned int flagword; /* 32 bits of flags */
183 typedef unsigned char bfd_byte;
187 typedef enum bfd_format
189 bfd_unknown = 0, /* File format is unknown. */
190 bfd_object, /* Linker/assembler/compiler output. */
191 bfd_archive, /* Object archive file. */
192 bfd_core, /* Core dump. */
193 bfd_type_end /* Marks the end; don't use it! */
197 /* Values that may appear in the flags field of a BFD. These also
198 appear in the object_flags field of the bfd_target structure, where
199 they indicate the set of flags used by that backend (not all flags
200 are meaningful for all object file formats) (FIXME: at the moment,
201 the object_flags values have mostly just been copied from backend
202 to another, and are not necessarily correct). */
205 #define BFD_NO_FLAGS 0x00
207 /* BFD contains relocation entries. */
208 #define HAS_RELOC 0x01
210 /* BFD is directly executable. */
213 /* BFD has line number information (basically used for F_LNNO in a
215 #define HAS_LINENO 0x04
217 /* BFD has debugging information. */
218 #define HAS_DEBUG 0x08
220 /* BFD has symbols. */
221 #define HAS_SYMS 0x10
223 /* BFD has local symbols (basically used for F_LSYMS in a COFF
225 #define HAS_LOCALS 0x20
227 /* BFD is a dynamic object. */
230 /* Text section is write protected (if D_PAGED is not set, this is
231 like an a.out NMAGIC file) (the linker sets this by default, but
232 clears it for -r or -N). */
235 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
236 linker sets this by default, but clears it for -r or -n or -N). */
237 #define D_PAGED 0x100
239 /* BFD is relaxable (this means that bfd_relax_section may be able to
240 do something) (sometimes bfd_relax_section can do something even if
242 #define BFD_IS_RELAXABLE 0x200
244 /* This may be set before writing out a BFD to request using a
245 traditional format. For example, this is used to request that when
246 writing out an a.out object the symbols not be hashed to eliminate
248 #define BFD_TRADITIONAL_FORMAT 0x400
250 /* This flag indicates that the BFD contents are actually cached in
251 memory. If this is set, iostream points to a bfd_in_memory struct. */
252 #define BFD_IN_MEMORY 0x800
254 /* The sections in this BFD specify a memory page. */
255 #define HAS_LOAD_PAGE 0x1000
257 /* This BFD has been created by the linker and doesn't correspond
258 to any input file. */
259 #define BFD_LINKER_CREATED 0x2000
261 /* Symbols and relocation. */
263 /* A count of carsyms (canonical archive symbols). */
264 typedef unsigned long symindex;
266 /* How to perform a relocation. */
267 typedef const struct reloc_howto_struct reloc_howto_type;
269 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
271 /* General purpose part of a symbol X;
272 target specific parts are in libcoff.h, libaout.h, etc. */
274 #define bfd_get_section(x) ((x)->section)
275 #define bfd_get_output_section(x) ((x)->section->output_section)
276 #define bfd_set_section(x,y) ((x)->section) = (y)
277 #define bfd_asymbol_base(x) ((x)->section->vma)
278 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
279 #define bfd_asymbol_name(x) ((x)->name)
280 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
281 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
282 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
284 /* A canonical archive symbol. */
285 /* This is a type pun with struct ranlib on purpose! */
286 typedef struct carsym
289 file_ptr file_offset; /* Look here to find the file. */
291 carsym; /* To make these you call a carsymogen. */
293 /* Used in generating armaps (archive tables of contents).
294 Perhaps just a forward definition would do? */
295 struct orl /* Output ranlib. */
297 char **name; /* Symbol name. */
302 } u; /* bfd* or file position. */
303 int namidx; /* Index into string table. */
306 /* Linenumber stuff. */
307 typedef struct lineno_cache_entry
309 unsigned int line_number; /* Linenumber from start of function. */
312 struct bfd_symbol *sym; /* Function name. */
313 bfd_vma offset; /* Offset into section. */
318 /* Object and core file sections. */
320 #define align_power(addr, align) \
321 (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
323 typedef struct bfd_section *sec_ptr;
325 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
326 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
327 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
328 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
329 #define bfd_section_name(bfd, ptr) ((ptr)->name)
330 #define bfd_section_size(bfd, ptr) ((ptr)->size)
331 #define bfd_get_section_size(ptr) ((ptr)->size)
332 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
333 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
334 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
335 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
336 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
338 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
340 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
341 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
342 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
343 /* Find the address one past the end of SEC. */
344 #define bfd_get_section_limit(bfd, sec) \
345 (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
346 / bfd_octets_per_byte (bfd))
348 typedef struct stat stat_type;
350 typedef enum bfd_print_symbol
352 bfd_print_symbol_name,
353 bfd_print_symbol_more,
355 } bfd_print_symbol_type;
357 /* Information about a symbol that nm needs. */
359 typedef struct _symbol_info
363 const char *name; /* Symbol name. */
364 unsigned char stab_type; /* Stab type. */
365 char stab_other; /* Stab other. */
366 short stab_desc; /* Stab desc. */
367 const char *stab_name; /* String for stab type. */
370 /* Get the name of a stabs type code. */
372 extern const char *bfd_get_stab_name (int);
374 /* Hash table routines. There is no way to free up a hash table. */
376 /* An element in the hash table. Most uses will actually use a larger
377 structure, and an instance of this will be the first field. */
379 struct bfd_hash_entry
381 /* Next entry for this hash code. */
382 struct bfd_hash_entry *next;
383 /* String being hashed. */
385 /* Hash code. This is the full hash code, not the index into the
392 struct bfd_hash_table
394 /* The hash array. */
395 struct bfd_hash_entry **table;
396 /* The number of slots in the hash table. */
398 /* The number of entries in the hash table. */
400 /* The size of elements. */
401 unsigned int entsize;
402 /* A function used to create new elements in the hash table. The
403 first entry is itself a pointer to an element. When this
404 function is first invoked, this pointer will be NULL. However,
405 having the pointer permits a hierarchy of method functions to be
406 built each of which calls the function in the superclass. Thus
407 each function should be written to allocate a new block of memory
408 only if the argument is NULL. */
409 struct bfd_hash_entry *(*newfunc)
410 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
411 /* An objalloc for this hash table. This is a struct objalloc *,
412 but we use void * to avoid requiring the inclusion of objalloc.h. */
416 /* Initialize a hash table. */
417 extern bfd_boolean bfd_hash_table_init
418 (struct bfd_hash_table *,
419 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
420 struct bfd_hash_table *,
424 /* Initialize a hash table specifying a size. */
425 extern bfd_boolean bfd_hash_table_init_n
426 (struct bfd_hash_table *,
427 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
428 struct bfd_hash_table *,
430 unsigned int, unsigned int);
432 /* Free up a hash table. */
433 extern void bfd_hash_table_free
434 (struct bfd_hash_table *);
436 /* Look up a string in a hash table. If CREATE is TRUE, a new entry
437 will be created for this string if one does not already exist. The
438 COPY argument must be TRUE if this routine should copy the string
439 into newly allocated memory when adding an entry. */
440 extern struct bfd_hash_entry *bfd_hash_lookup
441 (struct bfd_hash_table *, const char *, bfd_boolean create,
444 /* Replace an entry in a hash table. */
445 extern void bfd_hash_replace
446 (struct bfd_hash_table *, struct bfd_hash_entry *old,
447 struct bfd_hash_entry *nw);
449 /* Base method for creating a hash table entry. */
450 extern struct bfd_hash_entry *bfd_hash_newfunc
451 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
453 /* Grab some space for a hash table entry. */
454 extern void *bfd_hash_allocate
455 (struct bfd_hash_table *, unsigned int);
457 /* Traverse a hash table in a random order, calling a function on each
458 element. If the function returns FALSE, the traversal stops. The
459 INFO argument is passed to the function. */
460 extern void bfd_hash_traverse
461 (struct bfd_hash_table *,
462 bfd_boolean (*) (struct bfd_hash_entry *, void *),
465 /* Allows the default size of a hash table to be configured. New hash
466 tables allocated using bfd_hash_table_init will be created with
468 extern void bfd_hash_set_default_size (bfd_size_type);
470 /* This structure is used to keep track of stabs in sections
471 information while linking. */
475 /* A hash table used to hold stabs strings. */
476 struct bfd_strtab_hash *strings;
477 /* The header file hash table. */
478 struct bfd_hash_table includes;
479 /* The first .stabstr section. */
480 struct bfd_section *stabstr;
483 #define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
485 /* User program access to BFD facilities. */
487 /* Direct I/O routines, for programs which know more about the object
488 file than BFD does. Use higher level routines if possible. */
490 extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
491 extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
492 extern int bfd_seek (bfd *, file_ptr, int);
493 extern file_ptr bfd_tell (bfd *);
494 extern int bfd_flush (bfd *);
495 extern int bfd_stat (bfd *, struct stat *);
497 /* Deprecated old routines. */
499 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
500 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
501 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
502 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
503 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
504 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
506 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
507 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
508 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
509 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
510 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
511 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
513 extern void warn_deprecated (const char *, const char *, int, const char *);
515 /* Cast from const char * to char * so that caller can assign to
516 a char * without a warning. */
517 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
518 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
519 #define bfd_get_format(abfd) ((abfd)->format)
520 #define bfd_get_target(abfd) ((abfd)->xvec->name)
521 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
522 #define bfd_family_coff(abfd) \
523 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
524 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
525 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
526 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
527 #define bfd_header_big_endian(abfd) \
528 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
529 #define bfd_header_little_endian(abfd) \
530 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
531 #define bfd_get_file_flags(abfd) ((abfd)->flags)
532 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
533 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
534 #define bfd_my_archive(abfd) ((abfd)->my_archive)
535 #define bfd_has_map(abfd) ((abfd)->has_armap)
537 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
538 #define bfd_usrdata(abfd) ((abfd)->usrdata)
540 #define bfd_get_start_address(abfd) ((abfd)->start_address)
541 #define bfd_get_symcount(abfd) ((abfd)->symcount)
542 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
543 #define bfd_count_sections(abfd) ((abfd)->section_count)
545 #define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
547 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
549 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
551 extern bfd_boolean bfd_cache_close
553 /* NB: This declaration should match the autogenerated one in libbfd.h. */
555 extern bfd_boolean bfd_cache_close_all (void);
557 extern bfd_boolean bfd_record_phdr
558 (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
559 bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
561 /* Byte swapping routines. */
563 bfd_uint64_t bfd_getb64 (const void *);
564 bfd_uint64_t bfd_getl64 (const void *);
565 bfd_int64_t bfd_getb_signed_64 (const void *);
566 bfd_int64_t bfd_getl_signed_64 (const void *);
567 bfd_vma bfd_getb32 (const void *);
568 bfd_vma bfd_getl32 (const void *);
569 bfd_signed_vma bfd_getb_signed_32 (const void *);
570 bfd_signed_vma bfd_getl_signed_32 (const void *);
571 bfd_vma bfd_getb16 (const void *);
572 bfd_vma bfd_getl16 (const void *);
573 bfd_signed_vma bfd_getb_signed_16 (const void *);
574 bfd_signed_vma bfd_getl_signed_16 (const void *);
575 void bfd_putb64 (bfd_uint64_t, void *);
576 void bfd_putl64 (bfd_uint64_t, void *);
577 void bfd_putb32 (bfd_vma, void *);
578 void bfd_putl32 (bfd_vma, void *);
579 void bfd_putb16 (bfd_vma, void *);
580 void bfd_putl16 (bfd_vma, void *);
582 /* Byte swapping routines which take size and endiannes as arguments. */
584 bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
585 void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
587 extern bfd_boolean bfd_section_already_linked_table_init (void);
588 extern void bfd_section_already_linked_table_free (void);
590 /* Externally visible ECOFF routines. */
592 #if defined(__STDC__) || defined(ALMOST_STDC)
593 struct ecoff_debug_info;
594 struct ecoff_debug_swap;
597 struct bfd_link_info;
598 struct bfd_link_hash_entry;
599 struct bfd_elf_version_tree;
601 extern bfd_vma bfd_ecoff_get_gp_value
603 extern bfd_boolean bfd_ecoff_set_gp_value
604 (bfd *abfd, bfd_vma gp_value);
605 extern bfd_boolean bfd_ecoff_set_regmasks
606 (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
607 unsigned long *cprmask);
608 extern void *bfd_ecoff_debug_init
609 (bfd *output_bfd, struct ecoff_debug_info *output_debug,
610 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
611 extern void bfd_ecoff_debug_free
612 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
613 const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
614 extern bfd_boolean bfd_ecoff_debug_accumulate
615 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
616 const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
617 struct ecoff_debug_info *input_debug,
618 const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
619 extern bfd_boolean bfd_ecoff_debug_accumulate_other
620 (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
621 const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
622 struct bfd_link_info *);
623 extern bfd_boolean bfd_ecoff_debug_externals
624 (bfd *abfd, struct ecoff_debug_info *debug,
625 const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
626 bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
627 void (*set_index) (struct bfd_symbol *, bfd_size_type));
628 extern bfd_boolean bfd_ecoff_debug_one_external
629 (bfd *abfd, struct ecoff_debug_info *debug,
630 const struct ecoff_debug_swap *swap, const char *name,
631 struct ecoff_extr *esym);
632 extern bfd_size_type bfd_ecoff_debug_size
633 (bfd *abfd, struct ecoff_debug_info *debug,
634 const struct ecoff_debug_swap *swap);
635 extern bfd_boolean bfd_ecoff_write_debug
636 (bfd *abfd, struct ecoff_debug_info *debug,
637 const struct ecoff_debug_swap *swap, file_ptr where);
638 extern bfd_boolean bfd_ecoff_write_accumulated_debug
639 (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
640 const struct ecoff_debug_swap *swap,
641 struct bfd_link_info *info, file_ptr where);
643 /* Externally visible ELF routines. */
645 struct bfd_link_needed_list
647 struct bfd_link_needed_list *next;
652 enum dynamic_lib_link_class {
656 DYN_NO_ADD_NEEDED = 4,
660 enum notice_asneeded_action {
666 extern bfd_boolean bfd_elf_record_link_assignment
667 (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
669 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
670 (bfd *, struct bfd_link_info *);
671 extern bfd_boolean bfd_elf_get_bfd_needed_list
672 (bfd *, struct bfd_link_needed_list **);
673 extern bfd_boolean bfd_elf_size_dynamic_sections
674 (bfd *, const char *, const char *, const char *, const char * const *,
675 struct bfd_link_info *, struct bfd_section **,
676 struct bfd_elf_version_tree *);
677 extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
678 (bfd *, struct bfd_link_info *);
679 extern void bfd_elf_set_dt_needed_name
680 (bfd *, const char *);
681 extern const char *bfd_elf_get_dt_soname
683 extern void bfd_elf_set_dyn_lib_class
685 extern int bfd_elf_get_dyn_lib_class
687 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
688 (bfd *, struct bfd_link_info *);
689 extern bfd_boolean bfd_elf_discard_info
690 (bfd *, struct bfd_link_info *);
691 extern unsigned int _bfd_elf_default_action_discarded
692 (struct bfd_section *);
694 /* Return an upper bound on the number of bytes required to store a
695 copy of ABFD's program header table entries. Return -1 if an error
696 occurs; bfd_get_error will return an appropriate code. */
697 extern long bfd_get_elf_phdr_upper_bound
700 /* Copy ABFD's program header table entries to *PHDRS. The entries
701 will be stored as an array of Elf_Internal_Phdr structures, as
702 defined in include/elf/internal.h. To find out how large the
703 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
705 Return the number of program header table entries read, or -1 if an
706 error occurs; bfd_get_error will return an appropriate code. */
707 extern int bfd_get_elf_phdrs
708 (bfd *abfd, void *phdrs);
710 /* Create a new BFD as if by bfd_openr. Rather than opening a file,
711 reconstruct an ELF file by reading the segments out of remote memory
712 based on the ELF file header at EHDR_VMA and the ELF program headers it
713 points to. If not null, *LOADBASEP is filled in with the difference
714 between the VMAs from which the segments were read, and the VMAs the
715 file headers (and hence BFD's idea of each section's VMA) put them at.
717 The function TARGET_READ_MEMORY is called to copy LEN bytes from the
718 remote memory at target address VMA into the local buffer at MYADDR; it
719 should return zero on success or an `errno' code on failure. TEMPL must
720 be a BFD for an ELF target with the word size and byte order found in
721 the remote memory. */
722 extern bfd *bfd_elf_bfd_from_remote_memory
723 (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
724 int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
726 /* Return the arch_size field of an elf bfd, or -1 if not elf. */
727 extern int bfd_get_arch_size
730 /* Return TRUE if address "naturally" sign extends, or -1 if not elf. */
731 extern int bfd_get_sign_extend_vma
734 extern struct bfd_section *_bfd_elf_tls_setup
735 (bfd *, struct bfd_link_info *);
737 extern void _bfd_fix_excluded_sec_syms
738 (bfd *, struct bfd_link_info *);
740 extern unsigned bfd_m68k_mach_to_features (int);
742 extern int bfd_m68k_features_to_mach (unsigned);
744 extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
745 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
748 extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
749 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
752 /* SunOS shared library support routines for the linker. */
754 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
755 (bfd *, struct bfd_link_info *);
756 extern bfd_boolean bfd_sunos_record_link_assignment
757 (bfd *, struct bfd_link_info *, const char *);
758 extern bfd_boolean bfd_sunos_size_dynamic_sections
759 (bfd *, struct bfd_link_info *, struct bfd_section **,
760 struct bfd_section **, struct bfd_section **);
762 /* Linux shared library support routines for the linker. */
764 extern bfd_boolean bfd_i386linux_size_dynamic_sections
765 (bfd *, struct bfd_link_info *);
766 extern bfd_boolean bfd_m68klinux_size_dynamic_sections
767 (bfd *, struct bfd_link_info *);
768 extern bfd_boolean bfd_sparclinux_size_dynamic_sections
769 (bfd *, struct bfd_link_info *);
773 struct _bfd_window_internal;
774 typedef struct _bfd_window_internal bfd_window_internal;
776 typedef struct _bfd_window
778 /* What the user asked for. */
781 /* The actual window used by BFD. Small user-requested read-only
782 regions sharing a page may share a single window into the object
783 file. Read-write versions shouldn't until I've fixed things to
784 keep track of which portions have been claimed by the
785 application; don't want to give the same region back when the
786 application wants two writable copies! */
787 struct _bfd_window_internal *i;
791 extern void bfd_init_window
793 extern void bfd_free_window
795 extern bfd_boolean bfd_get_file_window
796 (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
798 /* XCOFF support routines for the linker. */
800 extern bfd_boolean bfd_xcoff_link_record_set
801 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
802 extern bfd_boolean bfd_xcoff_import_symbol
803 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
804 const char *, const char *, const char *, unsigned int);
805 extern bfd_boolean bfd_xcoff_export_symbol
806 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
807 extern bfd_boolean bfd_xcoff_link_count_reloc
808 (bfd *, struct bfd_link_info *, const char *);
809 extern bfd_boolean bfd_xcoff_record_link_assignment
810 (bfd *, struct bfd_link_info *, const char *);
811 extern bfd_boolean bfd_xcoff_size_dynamic_sections
812 (bfd *, struct bfd_link_info *, const char *, const char *,
813 unsigned long, unsigned long, unsigned long, bfd_boolean,
814 int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean);
815 extern bfd_boolean bfd_xcoff_link_generate_rtinit
816 (bfd *, const char *, const char *, bfd_boolean);
818 /* XCOFF support routines for ar. */
819 extern bfd_boolean bfd_xcoff_ar_archive_set_magic
822 /* Externally visible COFF routines. */
824 #if defined(__STDC__) || defined(ALMOST_STDC)
825 struct internal_syment;
826 union internal_auxent;
829 extern bfd_boolean bfd_coff_get_syment
830 (bfd *, struct bfd_symbol *, struct internal_syment *);
832 extern bfd_boolean bfd_coff_get_auxent
833 (bfd *, struct bfd_symbol *, int, union internal_auxent *);
835 extern bfd_boolean bfd_coff_set_symbol_class
836 (bfd *, struct bfd_symbol *, unsigned int);
838 extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
839 (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
841 /* ARM Interworking support. Called from linker. */
842 extern bfd_boolean bfd_arm_allocate_interworking_sections
843 (struct bfd_link_info *);
845 extern bfd_boolean bfd_arm_process_before_allocation
846 (bfd *, struct bfd_link_info *, int);
848 extern bfd_boolean bfd_arm_get_bfd_for_interworking
849 (bfd *, struct bfd_link_info *);
851 /* PE ARM Interworking support. Called from linker. */
852 extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
853 (struct bfd_link_info *);
855 extern bfd_boolean bfd_arm_pe_process_before_allocation
856 (bfd *, struct bfd_link_info *, int);
858 extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
859 (bfd *, struct bfd_link_info *);
861 /* ELF ARM Interworking support. Called from linker. */
862 extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
863 (struct bfd_link_info *);
865 extern bfd_boolean bfd_elf32_arm_process_before_allocation
866 (bfd *, struct bfd_link_info *, int);
868 void bfd_elf32_arm_set_target_relocs
869 (struct bfd_link_info *, int, char *, int, int);
871 extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
872 (bfd *, struct bfd_link_info *);
874 extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
875 (bfd *, struct bfd_link_info *);
877 /* ELF ARM mapping symbol support */
878 #define BFD_ARM_SPECIAL_SYM_TYPE_MAP (1 << 0)
879 #define BFD_ARM_SPECIAL_SYM_TYPE_TAG (1 << 1)
880 #define BFD_ARM_SPECIAL_SYM_TYPE_OTHER (1 << 2)
881 #define BFD_ARM_SPECIAL_SYM_TYPE_ANY (~0)
882 extern bfd_boolean bfd_is_arm_special_symbol_name
883 (const char * name, int type);
885 /* ARM Note section processing. */
886 extern bfd_boolean bfd_arm_merge_machines
889 extern bfd_boolean bfd_arm_update_notes
890 (bfd *, const char *);
892 extern unsigned int bfd_arm_get_mach_from_notes
893 (bfd *, const char *);
895 /* TI COFF load page support. */
896 extern void bfd_ticoff_set_section_load_page
897 (struct bfd_section *, int);
899 extern int bfd_ticoff_get_section_load_page
900 (struct bfd_section *);
902 /* H8/300 functions. */
903 extern bfd_vma bfd_h8300_pad_address
906 /* IA64 Itanium code generation. Called from linker. */
907 extern void bfd_elf32_ia64_after_parse
910 extern void bfd_elf64_ia64_after_parse
913 /* This structure is used for a comdat section, as in PE. A comdat
914 section is associated with a particular symbol. When the linker
915 sees a comdat section, it keeps only one of the sections with a
916 given name and associated with a given symbol. */
918 struct coff_comdat_info
920 /* The name of the symbol associated with a comdat section. */
923 /* The local symbol table index of the symbol associated with a
924 comdat section. This is only meaningful to the object file format
925 specific code; it is not an index into the list returned by
926 bfd_canonicalize_symtab. */
930 extern struct coff_comdat_info *bfd_coff_get_comdat_section
931 (bfd *, struct bfd_section *);