1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically
2 generated from "bfd-in.h", "init.c", "opncls.c", "libbfd.c",
3 "section.c", "archures.c", "reloc.c", "syms.c", "bfd.c", "archive.c",
4 "corefile.c", "targets.c" and "format.c".
5 Run "make headers" in your build bfd/ to regenerate. */
7 /* Main header file for the bfd library -- portable access to object files.
8 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
10 Free Software Foundation, Inc.
11 Contributed by Cygnus Support.
13 This file is part of BFD, the Binary File Descriptor library.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 #ifndef __BFD_H_SEEN__
30 #define __BFD_H_SEEN__
38 #define BFD_VERSION "@VERSION@"
40 /* The word size used by BFD on the host. This may be 64 with a 32
41 bit target if the host is 64 bit, or if other 64 bit targets have
42 been selected with --enable-targets, or if --enable-64-bit-bfd. */
43 #define BFD_ARCH_SIZE @wordsize@
45 /* The word size of the default bfd target. */
46 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
48 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
49 #if @BFD_HOST_64_BIT_DEFINED@
50 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
51 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
54 #if BFD_ARCH_SIZE >= 64
60 #define INLINE __inline__
66 /* forward declaration */
67 typedef struct _bfd bfd;
69 /* To squelch erroneous compiler warnings ("illegal pointer
70 combination") from the SVR3 compiler, we would like to typedef
71 boolean to int (it doesn't like functions which return boolean.
72 Making sure they are never implicitly declared to return int
73 doesn't seem to help). But this file is not configured based on
75 /* General rules: functions which are boolean return true on success
76 and false on failure (unless they're a predicate). -- bfd.doc */
77 /* I'm sure this is going to break something and someone is going to
78 force me to change it. */
79 /* typedef enum boolean {false, true} boolean; */
80 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */
81 /* It gets worse if the host also defines a true/false enum... -sts */
82 /* And even worse if your compiler has built-in boolean types... -law */
83 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
84 #define TRUE_FALSE_ALREADY_DEFINED
87 /* Pre-emptive strike - get the file with the enum. */
89 #define TRUE_FALSE_ALREADY_DEFINED
91 #ifndef TRUE_FALSE_ALREADY_DEFINED
92 typedef enum bfd_boolean {false, true} boolean;
93 #define BFD_TRUE_FALSE
95 /* Use enum names that will appear nowhere else. */
96 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
99 /* Support for different sizes of target format ints and addresses.
100 If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
101 set to 1 above. Otherwise, if gcc is being used, this code will
102 use gcc's "long long" type. Otherwise, BFD_HOST_64_BIT must be
105 #ifndef BFD_HOST_64_BIT
106 # if BFD_HOST_64BIT_LONG
107 # define BFD_HOST_64_BIT long
108 # define BFD_HOST_U_64_BIT unsigned long
112 # define BFD_HOST_64_BIT long long
113 # define BFD_HOST_U_64_BIT unsigned long long
114 # endif /* __GNUC__ >= 2 */
115 # endif /* ! defined (__GNUC__) */
116 # endif /* ! BFD_HOST_64BIT_LONG */
117 #endif /* ! defined (BFD_HOST_64_BIT) */
121 #ifndef BFD_HOST_64_BIT
122 #error No 64 bit integer type available
123 #endif /* ! defined (BFD_HOST_64_BIT) */
125 typedef BFD_HOST_U_64_BIT bfd_vma;
126 typedef BFD_HOST_64_BIT bfd_signed_vma;
127 typedef BFD_HOST_U_64_BIT bfd_size_type;
128 typedef BFD_HOST_U_64_BIT symvalue;
131 #if BFD_HOST_64BIT_LONG
132 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
133 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
135 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
136 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
137 #define fprintf_vma(s,x) \
138 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
139 #define sprintf_vma(s,x) \
140 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
144 #else /* not BFD64 */
146 /* Represent a target address. Also used as a generic unsigned type
147 which is guaranteed to be big enough to hold any arithmetic types
148 we need to deal with. */
149 typedef unsigned long bfd_vma;
151 /* A generic signed type which is guaranteed to be big enough to hold any
152 arithmetic types we need to deal with. Can be assumed to be compatible
153 with bfd_vma in the same way that signed and unsigned ints are compatible
154 (as parameters, in assignment, etc). */
155 typedef long bfd_signed_vma;
157 typedef unsigned long symvalue;
158 typedef unsigned long bfd_size_type;
160 /* Print a bfd_vma x on stream s. */
161 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
162 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
164 #endif /* not BFD64 */
166 /* A pointer to a position in a file. */
167 /* FIXME: This should be using off_t from <sys/types.h>.
168 For now, try to avoid breaking stuff by not including <sys/types.h> here.
169 This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
170 Probably the best long-term answer is to avoid using file_ptr AND off_t
171 in this header file, and to handle this in the BFD implementation
172 rather than in its interface. */
173 /* typedef off_t file_ptr; */
174 typedef bfd_signed_vma file_ptr;
175 typedef bfd_vma ufile_ptr;
177 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
178 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
180 #define printf_vma(x) fprintf_vma(stdout,x)
181 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
183 typedef unsigned int flagword; /* 32 bits of flags */
184 typedef unsigned char bfd_byte;
188 typedef enum bfd_format {
189 bfd_unknown = 0, /* file format is unknown */
190 bfd_object, /* linker/assember/compiler output */
191 bfd_archive, /* object archive file */
192 bfd_core, /* core dump */
193 bfd_type_end} /* marks the end; don't use it! */
196 /* Values that may appear in the flags field of a BFD. These also
197 appear in the object_flags field of the bfd_target structure, where
198 they indicate the set of flags used by that backend (not all flags
199 are meaningful for all object file formats) (FIXME: at the moment,
200 the object_flags values have mostly just been copied from backend
201 to another, and are not necessarily correct). */
204 #define BFD_NO_FLAGS 0x00
206 /* BFD contains relocation entries. */
207 #define HAS_RELOC 0x01
209 /* BFD is directly executable. */
212 /* BFD has line number information (basically used for F_LNNO in a
214 #define HAS_LINENO 0x04
216 /* BFD has debugging information. */
217 #define HAS_DEBUG 0x08
219 /* BFD has symbols. */
220 #define HAS_SYMS 0x10
222 /* BFD has local symbols (basically used for F_LSYMS in a COFF
224 #define HAS_LOCALS 0x20
226 /* BFD is a dynamic object. */
229 /* Text section is write protected (if D_PAGED is not set, this is
230 like an a.out NMAGIC file) (the linker sets this by default, but
231 clears it for -r or -N). */
234 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
235 linker sets this by default, but clears it for -r or -n or -N). */
236 #define D_PAGED 0x100
238 /* BFD is relaxable (this means that bfd_relax_section may be able to
239 do something) (sometimes bfd_relax_section can do something even if
241 #define BFD_IS_RELAXABLE 0x200
243 /* This may be set before writing out a BFD to request using a
244 traditional format. For example, this is used to request that when
245 writing out an a.out object the symbols not be hashed to eliminate
247 #define BFD_TRADITIONAL_FORMAT 0x400
249 /* This flag indicates that the BFD contents are actually cached in
250 memory. If this is set, iostream points to a bfd_in_memory struct. */
251 #define BFD_IN_MEMORY 0x800
253 /* symbols and relocation */
255 /* A count of carsyms (canonical archive symbols). */
256 typedef unsigned long symindex;
258 /* How to perform a relocation. */
259 typedef const struct reloc_howto_struct reloc_howto_type;
261 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
263 /* General purpose part of a symbol X;
264 target specific parts are in libcoff.h, libaout.h, etc. */
266 #define bfd_get_section(x) ((x)->section)
267 #define bfd_get_output_section(x) ((x)->section->output_section)
268 #define bfd_set_section(x,y) ((x)->section) = (y)
269 #define bfd_asymbol_base(x) ((x)->section->vma)
270 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
271 #define bfd_asymbol_name(x) ((x)->name)
272 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
273 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
274 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
276 /* A canonical archive symbol. */
277 /* This is a type pun with struct ranlib on purpose! */
278 typedef struct carsym {
280 file_ptr file_offset; /* look here to find the file */
281 } carsym; /* to make these you call a carsymogen */
283 /* Used in generating armaps (archive tables of contents).
284 Perhaps just a forward definition would do? */
285 struct orl { /* output ranlib */
286 char **name; /* symbol name */
290 } u; /* bfd* or file position */
291 int namidx; /* index into string table */
294 /* Linenumber stuff */
295 typedef struct lineno_cache_entry {
296 unsigned int line_number; /* Linenumber from start of function*/
298 struct symbol_cache_entry *sym; /* Function name */
299 bfd_vma offset; /* Offset into section */
303 /* object and core file sections */
305 #define align_power(addr, align) \
306 ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
308 typedef struct sec *sec_ptr;
310 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
311 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
312 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
313 #define bfd_section_name(bfd, ptr) ((ptr)->name)
314 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
315 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
316 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
317 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
318 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
319 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
321 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
323 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = (boolean)true), true)
324 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
325 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
327 typedef struct stat stat_type;
329 typedef enum bfd_print_symbol
331 bfd_print_symbol_name,
332 bfd_print_symbol_more,
334 } bfd_print_symbol_type;
336 /* Information about a symbol that nm needs. */
338 typedef struct _symbol_info
342 const char *name; /* Symbol name. */
343 unsigned char stab_type; /* Stab type. */
344 char stab_other; /* Stab other. */
345 short stab_desc; /* Stab desc. */
346 const char *stab_name; /* String for stab type. */
349 /* Get the name of a stabs type code. */
351 extern const char *bfd_get_stab_name PARAMS ((int));
353 /* Hash table routines. There is no way to free up a hash table. */
355 /* An element in the hash table. Most uses will actually use a larger
356 structure, and an instance of this will be the first field. */
358 struct bfd_hash_entry
360 /* Next entry for this hash code. */
361 struct bfd_hash_entry *next;
362 /* String being hashed. */
364 /* Hash code. This is the full hash code, not the index into the
371 struct bfd_hash_table
373 /* The hash array. */
374 struct bfd_hash_entry **table;
375 /* The number of slots in the hash table. */
377 /* A function used to create new elements in the hash table. The
378 first entry is itself a pointer to an element. When this
379 function is first invoked, this pointer will be NULL. However,
380 having the pointer permits a hierarchy of method functions to be
381 built each of which calls the function in the superclass. Thus
382 each function should be written to allocate a new block of memory
383 only if the argument is NULL. */
384 struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
385 struct bfd_hash_table *,
387 /* An objalloc for this hash table. This is a struct objalloc *,
388 but we use PTR to avoid requiring the inclusion of objalloc.h. */
392 /* Initialize a hash table. */
393 extern boolean bfd_hash_table_init
394 PARAMS ((struct bfd_hash_table *,
395 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
396 struct bfd_hash_table *,
399 /* Initialize a hash table specifying a size. */
400 extern boolean bfd_hash_table_init_n
401 PARAMS ((struct bfd_hash_table *,
402 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
403 struct bfd_hash_table *,
407 /* Free up a hash table. */
408 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
410 /* Look up a string in a hash table. If CREATE is true, a new entry
411 will be created for this string if one does not already exist. The
412 COPY argument must be true if this routine should copy the string
413 into newly allocated memory when adding an entry. */
414 extern struct bfd_hash_entry *bfd_hash_lookup
415 PARAMS ((struct bfd_hash_table *, const char *, boolean create,
418 /* Replace an entry in a hash table. */
419 extern void bfd_hash_replace
420 PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
421 struct bfd_hash_entry *nw));
423 /* Base method for creating a hash table entry. */
424 extern struct bfd_hash_entry *bfd_hash_newfunc
425 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
428 /* Grab some space for a hash table entry. */
429 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
432 /* Traverse a hash table in a random order, calling a function on each
433 element. If the function returns false, the traversal stops. The
434 INFO argument is passed to the function. */
435 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
436 boolean (*) (struct bfd_hash_entry *,
440 /* Semi-portable string concatenation in cpp.
441 The CAT4 hack is to avoid a problem with some strict ANSI C preprocessors.
442 The problem is, "32_" is not a valid preprocessing token, and we don't
443 want extra underscores (e.g., "nlm_32_"). The XCAT2 macro will cause the
444 inner CAT macros to be evaluated first, producing still-valid pp-tokens.
445 Then the final concatenation can be done. (Sigh.) */
448 #define CAT(a,b) a##b
449 #define CAT3(a,b,c) a##b##c
450 #define CAT4(a,b,c,d) a##b##c##d
452 #if defined(__STDC__) || defined(ALMOST_STDC)
453 #define CAT(a,b) a##b
454 #define CAT3(a,b,c) a##b##c
455 #define XCAT2(a,b) CAT(a,b)
456 #define CAT4(a,b,c,d) XCAT2(CAT(a,b),CAT(c,d))
458 #define CAT(a,b) a/**/b
459 #define CAT3(a,b,c) a/**/b/**/c
460 #define CAT4(a,b,c,d) a/**/b/**/c/**/d
465 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
467 /* User program access to BFD facilities */
469 /* Direct I/O routines, for programs which know more about the object
470 file than BFD does. Use higher level routines if possible. */
472 extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *));
473 extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *));
474 extern int bfd_seek PARAMS ((bfd *, file_ptr, int));
475 extern ufile_ptr bfd_tell PARAMS ((bfd *));
476 extern int bfd_flush PARAMS ((bfd *));
477 extern int bfd_stat PARAMS ((bfd *, struct stat *));
479 /* Deprecated old routines. */
481 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
482 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
483 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
484 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
485 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
486 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
488 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
489 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
490 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
491 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
492 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
493 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
495 extern void warn_deprecated
496 PARAMS ((const char *, const char *, int, const char *));
498 /* Cast from const char * to char * so that caller can assign to
499 a char * without a warning. */
500 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
501 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
502 #define bfd_get_format(abfd) ((abfd)->format)
503 #define bfd_get_target(abfd) ((abfd)->xvec->name)
504 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
505 #define bfd_family_coff(abfd) \
506 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
507 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
508 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
509 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
510 #define bfd_header_big_endian(abfd) \
511 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
512 #define bfd_header_little_endian(abfd) \
513 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
514 #define bfd_get_file_flags(abfd) ((abfd)->flags)
515 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
516 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
517 #define bfd_my_archive(abfd) ((abfd)->my_archive)
518 #define bfd_has_map(abfd) ((abfd)->has_armap)
520 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
521 #define bfd_usrdata(abfd) ((abfd)->usrdata)
523 #define bfd_get_start_address(abfd) ((abfd)->start_address)
524 #define bfd_get_symcount(abfd) ((abfd)->symcount)
525 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
526 #define bfd_count_sections(abfd) ((abfd)->section_count)
528 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
530 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
532 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
533 /* NB: This declaration should match the autogenerated one in libbfd.h. */
535 extern boolean bfd_record_phdr
536 PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
537 boolean, boolean, unsigned int, struct sec **));
539 /* Byte swapping routines. */
541 bfd_vma bfd_getb64 PARAMS ((const unsigned char *));
542 bfd_vma bfd_getl64 PARAMS ((const unsigned char *));
543 bfd_signed_vma bfd_getb_signed_64 PARAMS ((const unsigned char *));
544 bfd_signed_vma bfd_getl_signed_64 PARAMS ((const unsigned char *));
545 bfd_vma bfd_getb32 PARAMS ((const unsigned char *));
546 bfd_vma bfd_getl32 PARAMS ((const unsigned char *));
547 bfd_signed_vma bfd_getb_signed_32 PARAMS ((const unsigned char *));
548 bfd_signed_vma bfd_getl_signed_32 PARAMS ((const unsigned char *));
549 bfd_vma bfd_getb16 PARAMS ((const unsigned char *));
550 bfd_vma bfd_getl16 PARAMS ((const unsigned char *));
551 bfd_signed_vma bfd_getb_signed_16 PARAMS ((const unsigned char *));
552 bfd_signed_vma bfd_getl_signed_16 PARAMS ((const unsigned char *));
553 void bfd_putb64 PARAMS ((bfd_vma, unsigned char *));
554 void bfd_putl64 PARAMS ((bfd_vma, unsigned char *));
555 void bfd_putb32 PARAMS ((bfd_vma, unsigned char *));
556 void bfd_putl32 PARAMS ((bfd_vma, unsigned char *));
557 void bfd_putb16 PARAMS ((bfd_vma, unsigned char *));
558 void bfd_putl16 PARAMS ((bfd_vma, unsigned char *));
560 /* Byte swapping routines which take size and endiannes as arguments. */
562 bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean));
563 void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean));
565 /* Externally visible ECOFF routines. */
567 #if defined(__STDC__) || defined(ALMOST_STDC)
568 struct ecoff_debug_info;
569 struct ecoff_debug_swap;
571 struct symbol_cache_entry;
572 struct bfd_link_info;
573 struct bfd_link_hash_entry;
574 struct bfd_elf_version_tree;
576 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
577 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
578 extern boolean bfd_ecoff_set_regmasks
579 PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
580 unsigned long *cprmask));
581 extern PTR bfd_ecoff_debug_init
582 PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
583 const struct ecoff_debug_swap *output_swap,
584 struct bfd_link_info *));
585 extern void bfd_ecoff_debug_free
586 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
587 const struct ecoff_debug_swap *output_swap,
588 struct bfd_link_info *));
589 extern boolean bfd_ecoff_debug_accumulate
590 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
591 const struct ecoff_debug_swap *output_swap,
592 bfd *input_bfd, struct ecoff_debug_info *input_debug,
593 const struct ecoff_debug_swap *input_swap,
594 struct bfd_link_info *));
595 extern boolean bfd_ecoff_debug_accumulate_other
596 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
597 const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
598 struct bfd_link_info *));
599 extern boolean bfd_ecoff_debug_externals
600 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
601 const struct ecoff_debug_swap *swap,
602 boolean relocateable,
603 boolean (*get_extr) (struct symbol_cache_entry *,
604 struct ecoff_extr *),
605 void (*set_index) (struct symbol_cache_entry *,
607 extern boolean bfd_ecoff_debug_one_external
608 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
609 const struct ecoff_debug_swap *swap,
610 const char *name, struct ecoff_extr *esym));
611 extern bfd_size_type bfd_ecoff_debug_size
612 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
613 const struct ecoff_debug_swap *swap));
614 extern boolean bfd_ecoff_write_debug
615 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
616 const struct ecoff_debug_swap *swap, file_ptr where));
617 extern boolean bfd_ecoff_write_accumulated_debug
618 PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
619 const struct ecoff_debug_swap *swap,
620 struct bfd_link_info *info, file_ptr where));
621 extern boolean bfd_mips_ecoff_create_embedded_relocs
622 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
625 /* Externally visible ELF routines. */
627 struct bfd_link_needed_list
629 struct bfd_link_needed_list *next;
634 extern boolean bfd_elf32_record_link_assignment
635 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
636 extern boolean bfd_elf64_record_link_assignment
637 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
638 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
639 PARAMS ((bfd *, struct bfd_link_info *));
640 extern boolean bfd_elf_get_bfd_needed_list
641 PARAMS ((bfd *, struct bfd_link_needed_list **));
642 extern boolean bfd_elf32_size_dynamic_sections
643 PARAMS ((bfd *, const char *, const char *, const char *,
644 const char * const *, struct bfd_link_info *, struct sec **,
645 struct bfd_elf_version_tree *));
646 extern boolean bfd_elf64_size_dynamic_sections
647 PARAMS ((bfd *, const char *, const char *, const char *,
648 const char * const *, struct bfd_link_info *, struct sec **,
649 struct bfd_elf_version_tree *));
650 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
651 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
652 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
653 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
654 PARAMS ((bfd *, struct bfd_link_info *));
656 /* Return an upper bound on the number of bytes required to store a
657 copy of ABFD's program header table entries. Return -1 if an error
658 occurs; bfd_get_error will return an appropriate code. */
659 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
661 /* Copy ABFD's program header table entries to *PHDRS. The entries
662 will be stored as an array of Elf_Internal_Phdr structures, as
663 defined in include/elf/internal.h. To find out how large the
664 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
666 Return the number of program header table entries read, or -1 if an
667 error occurs; bfd_get_error will return an appropriate code. */
668 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
670 /* Return the arch_size field of an elf bfd, or -1 if not elf. */
671 extern int bfd_get_arch_size PARAMS ((bfd *));
673 /* Return true if address "naturally" sign extends, or -1 if not elf. */
674 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
676 extern boolean bfd_m68k_elf32_create_embedded_relocs
677 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
680 /* SunOS shared library support routines for the linker. */
682 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
683 PARAMS ((bfd *, struct bfd_link_info *));
684 extern boolean bfd_sunos_record_link_assignment
685 PARAMS ((bfd *, struct bfd_link_info *, const char *));
686 extern boolean bfd_sunos_size_dynamic_sections
687 PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
690 /* Linux shared library support routines for the linker. */
692 extern boolean bfd_i386linux_size_dynamic_sections
693 PARAMS ((bfd *, struct bfd_link_info *));
694 extern boolean bfd_m68klinux_size_dynamic_sections
695 PARAMS ((bfd *, struct bfd_link_info *));
696 extern boolean bfd_sparclinux_size_dynamic_sections
697 PARAMS ((bfd *, struct bfd_link_info *));
701 struct _bfd_window_internal;
702 typedef struct _bfd_window_internal bfd_window_internal;
704 typedef struct _bfd_window {
705 /* What the user asked for. */
708 /* The actual window used by BFD. Small user-requested read-only
709 regions sharing a page may share a single window into the object
710 file. Read-write versions shouldn't until I've fixed things to
711 keep track of which portions have been claimed by the
712 application; don't want to give the same region back when the
713 application wants two writable copies! */
714 struct _bfd_window_internal *i;
717 extern void bfd_init_window PARAMS ((bfd_window *));
718 extern void bfd_free_window PARAMS ((bfd_window *));
719 extern boolean bfd_get_file_window
720 PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
722 /* XCOFF support routines for the linker. */
724 extern boolean bfd_xcoff_link_record_set
725 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
727 extern boolean bfd_xcoff_import_symbol
728 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
729 bfd_vma, const char *, const char *, const char *, unsigned int));
730 extern boolean bfd_xcoff_export_symbol
731 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
732 extern boolean bfd_xcoff_link_count_reloc
733 PARAMS ((bfd *, struct bfd_link_info *, const char *));
734 extern boolean bfd_xcoff_record_link_assignment
735 PARAMS ((bfd *, struct bfd_link_info *, const char *));
736 extern boolean bfd_xcoff_size_dynamic_sections
737 PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
738 unsigned long, unsigned long, unsigned long, boolean,
739 int, boolean, boolean, struct sec **));
741 /* Externally visible COFF routines. */
743 #if defined(__STDC__) || defined(ALMOST_STDC)
744 struct internal_syment;
745 union internal_auxent;
748 extern boolean bfd_coff_get_syment
749 PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
751 extern boolean bfd_coff_get_auxent
752 PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
754 extern boolean bfd_coff_set_symbol_class
755 PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
757 extern boolean bfd_m68k_coff_create_embedded_relocs
758 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
761 /* ARM Interworking support. Called from linker. */
762 extern boolean bfd_arm_allocate_interworking_sections
763 PARAMS ((struct bfd_link_info *));
765 extern boolean bfd_arm_process_before_allocation
766 PARAMS ((bfd *, struct bfd_link_info *, int));
768 extern boolean bfd_arm_get_bfd_for_interworking
769 PARAMS ((bfd *, struct bfd_link_info *));
771 /* PE ARM Interworking support. Called from linker. */
772 extern boolean bfd_arm_pe_allocate_interworking_sections
773 PARAMS ((struct bfd_link_info *));
775 extern boolean bfd_arm_pe_process_before_allocation
776 PARAMS ((bfd *, struct bfd_link_info *, int));
778 extern boolean bfd_arm_pe_get_bfd_for_interworking
779 PARAMS ((bfd *, struct bfd_link_info *));
781 /* ELF ARM Interworking support. Called from linker. */
782 extern boolean bfd_elf32_arm_allocate_interworking_sections
783 PARAMS ((struct bfd_link_info *));
785 extern boolean bfd_elf32_arm_process_before_allocation
786 PARAMS ((bfd *, struct bfd_link_info *, int));
788 extern boolean bfd_elf32_arm_get_bfd_for_interworking
789 PARAMS ((bfd *, struct bfd_link_info *));
791 /* TI COFF load page support. */
792 extern void bfd_ticoff_set_section_load_page
793 PARAMS ((struct sec *, int));
795 extern int bfd_ticoff_get_section_load_page
796 PARAMS ((struct sec *));
798 /* And more from the source. */
800 bfd_init PARAMS ((void));
803 bfd_openr PARAMS ((const char *filename, const char *target));
806 bfd_fdopenr PARAMS ((const char *filename, const char *target, int fd));
809 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
812 bfd_openw PARAMS ((const char *filename, const char *target));
815 bfd_close PARAMS ((bfd *abfd));
818 bfd_close_all_done PARAMS ((bfd *));
821 bfd_create PARAMS ((const char *filename, bfd *templ));
824 bfd_make_writable PARAMS ((bfd *abfd));
827 bfd_make_readable PARAMS ((bfd *abfd));
830 /* Byte swapping macros for user section data. */
832 #define bfd_put_8(abfd, val, ptr) \
833 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
834 #define bfd_put_signed_8 \
836 #define bfd_get_8(abfd, ptr) \
837 (*(unsigned char *) (ptr) & 0xff)
838 #define bfd_get_signed_8(abfd, ptr) \
839 (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
841 #define bfd_put_16(abfd, val, ptr) \
842 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
843 #define bfd_put_signed_16 \
845 #define bfd_get_16(abfd, ptr) \
846 BFD_SEND(abfd, bfd_getx16, (ptr))
847 #define bfd_get_signed_16(abfd, ptr) \
848 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
850 #define bfd_put_32(abfd, val, ptr) \
851 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
852 #define bfd_put_signed_32 \
854 #define bfd_get_32(abfd, ptr) \
855 BFD_SEND(abfd, bfd_getx32, (ptr))
856 #define bfd_get_signed_32(abfd, ptr) \
857 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
859 #define bfd_put_64(abfd, val, ptr) \
860 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
861 #define bfd_put_signed_64 \
863 #define bfd_get_64(abfd, ptr) \
864 BFD_SEND(abfd, bfd_getx64, (ptr))
865 #define bfd_get_signed_64(abfd, ptr) \
866 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
868 #define bfd_get(bits, abfd, ptr) \
869 ( (bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \
870 : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
871 : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
872 : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
873 : (abort (), (bfd_vma) - 1))
875 #define bfd_put(bits, abfd, val, ptr) \
876 ( (bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
877 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
878 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
879 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
880 : (abort (), (void) 0))
883 /* Byte swapping macros for file header data. */
885 #define bfd_h_put_8(abfd, val, ptr) \
886 bfd_put_8 (abfd, val, ptr)
887 #define bfd_h_put_signed_8(abfd, val, ptr) \
888 bfd_put_8 (abfd, val, ptr)
889 #define bfd_h_get_8(abfd, ptr) \
890 bfd_get_8 (abfd, ptr)
891 #define bfd_h_get_signed_8(abfd, ptr) \
892 bfd_get_signed_8 (abfd, ptr)
894 #define bfd_h_put_16(abfd, val, ptr) \
895 BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
896 #define bfd_h_put_signed_16 \
898 #define bfd_h_get_16(abfd, ptr) \
899 BFD_SEND (abfd, bfd_h_getx16, (ptr))
900 #define bfd_h_get_signed_16(abfd, ptr) \
901 BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
903 #define bfd_h_put_32(abfd, val, ptr) \
904 BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
905 #define bfd_h_put_signed_32 \
907 #define bfd_h_get_32(abfd, ptr) \
908 BFD_SEND (abfd, bfd_h_getx32, (ptr))
909 #define bfd_h_get_signed_32(abfd, ptr) \
910 BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
912 #define bfd_h_put_64(abfd, val, ptr) \
913 BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
914 #define bfd_h_put_signed_64 \
916 #define bfd_h_get_64(abfd, ptr) \
917 BFD_SEND (abfd, bfd_h_getx64, (ptr))
918 #define bfd_h_get_signed_64(abfd, ptr) \
919 BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
921 /* Refinements on the above, which should eventually go away. Save
922 cluttering the source with (bfd_vma) and (bfd_byte *) casts. */
924 #define H_PUT_64(abfd, val, where) \
925 bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
927 #define H_PUT_32(abfd, val, where) \
928 bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
930 #define H_PUT_16(abfd, val, where) \
931 bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
933 #define H_PUT_8 bfd_h_put_8
935 #define H_PUT_S64(abfd, val, where) \
936 bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
938 #define H_PUT_S32(abfd, val, where) \
939 bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
941 #define H_PUT_S16(abfd, val, where) \
942 bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
944 #define H_PUT_S8 bfd_h_put_signed_8
946 #define H_GET_64(abfd, where) \
947 bfd_h_get_64 ((abfd), (bfd_byte *) (where))
949 #define H_GET_32(abfd, where) \
950 bfd_h_get_32 ((abfd), (bfd_byte *) (where))
952 #define H_GET_16(abfd, where) \
953 bfd_h_get_16 ((abfd), (bfd_byte *) (where))
955 #define H_GET_8 bfd_h_get_8
957 #define H_GET_S64(abfd, where) \
958 bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
960 #define H_GET_S32(abfd, where) \
961 bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
963 #define H_GET_S16(abfd, where) \
964 bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
966 #define H_GET_S8 bfd_h_get_signed_8
969 /* This structure is used for a comdat section, as in PE. A comdat
970 section is associated with a particular symbol. When the linker
971 sees a comdat section, it keeps only one of the sections with a
972 given name and associated with a given symbol. */
974 struct bfd_comdat_info
976 /* The name of the symbol associated with a comdat section. */
979 /* The local symbol table index of the symbol associated with a
980 comdat section. This is only meaningful to the object file format
981 specific code; it is not an index into the list returned by
982 bfd_canonicalize_symtab. */
988 /* The name of the section; the name isn't a copy, the pointer is
989 the same as that passed to bfd_make_section. */
993 /* A unique sequence number. */
997 /* Which section is it; 0..nth. */
1001 /* The next section in the list belonging to the BFD, or NULL. */
1005 /* The field flags contains attributes of the section. Some
1006 flags are read in from the object file, and some are
1007 synthesized from other information. */
1011 #define SEC_NO_FLAGS 0x000
1013 /* Tells the OS to allocate space for this section when loading.
1014 This is clear for a section containing debug information only. */
1015 #define SEC_ALLOC 0x001
1017 /* Tells the OS to load the section from the file when loading.
1018 This is clear for a .bss section. */
1019 #define SEC_LOAD 0x002
1021 /* The section contains data still to be relocated, so there is
1022 some relocation information too. */
1023 #define SEC_RELOC 0x004
1025 /* ELF reserves 4 processor specific bits and 8 operating system
1026 specific bits in sh_flags; at present we can get away with just
1027 one in communicating between the assembler and BFD, but this
1028 isn't a good long-term solution. */
1029 #define SEC_ARCH_BIT_0 0x008
1031 /* A signal to the OS that the section contains read only data. */
1032 #define SEC_READONLY 0x010
1034 /* The section contains code only. */
1035 #define SEC_CODE 0x020
1037 /* The section contains data only. */
1038 #define SEC_DATA 0x040
1040 /* The section will reside in ROM. */
1041 #define SEC_ROM 0x080
1043 /* The section contains constructor information. This section
1044 type is used by the linker to create lists of constructors and
1045 destructors used by <<g++>>. When a back end sees a symbol
1046 which should be used in a constructor list, it creates a new
1047 section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1048 the symbol to it, and builds a relocation. To build the lists
1049 of constructors, all the linker has to do is catenate all the
1050 sections called <<__CTOR_LIST__>> and relocate the data
1051 contained within - exactly the operations it would peform on
1053 #define SEC_CONSTRUCTOR 0x100
1055 /* The section is a constructor, and should be placed at the
1056 end of the text, data, or bss section(?). */
1057 #define SEC_CONSTRUCTOR_TEXT 0x1100
1058 #define SEC_CONSTRUCTOR_DATA 0x2100
1059 #define SEC_CONSTRUCTOR_BSS 0x3100
1061 /* The section has contents - a data section could be
1062 <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1063 <<SEC_HAS_CONTENTS>> */
1064 #define SEC_HAS_CONTENTS 0x200
1066 /* An instruction to the linker to not output the section
1067 even if it has information which would normally be written. */
1068 #define SEC_NEVER_LOAD 0x400
1070 /* The section is a COFF shared library section. This flag is
1071 only for the linker. If this type of section appears in
1072 the input file, the linker must copy it to the output file
1073 without changing the vma or size. FIXME: Although this
1074 was originally intended to be general, it really is COFF
1075 specific (and the flag was renamed to indicate this). It
1076 might be cleaner to have some more general mechanism to
1077 allow the back end to control what the linker does with
1079 #define SEC_COFF_SHARED_LIBRARY 0x800
1081 /* The section has GOT references. This flag is only for the
1082 linker, and is currently only used by the elf32-hppa back end.
1083 It will be set if global offset table references were detected
1084 in this section, which indicate to the linker that the section
1085 contains PIC code, and must be handled specially when doing a
1087 #define SEC_HAS_GOT_REF 0x4000
1089 /* The section contains common symbols (symbols may be defined
1090 multiple times, the value of a symbol is the amount of
1091 space it requires, and the largest symbol value is the one
1092 used). Most targets have exactly one of these (which we
1093 translate to bfd_com_section_ptr), but ECOFF has two. */
1094 #define SEC_IS_COMMON 0x8000
1096 /* The section contains only debugging information. For
1097 example, this is set for ELF .debug and .stab sections.
1098 strip tests this flag to see if a section can be
1100 #define SEC_DEBUGGING 0x10000
1102 /* The contents of this section are held in memory pointed to
1103 by the contents field. This is checked by bfd_get_section_contents,
1104 and the data is retrieved from memory if appropriate. */
1105 #define SEC_IN_MEMORY 0x20000
1107 /* The contents of this section are to be excluded by the
1108 linker for executable and shared objects unless those
1109 objects are to be further relocated. */
1110 #define SEC_EXCLUDE 0x40000
1112 /* The contents of this section are to be sorted by the
1113 based on the address specified in the associated symbol
1115 #define SEC_SORT_ENTRIES 0x80000
1117 /* When linking, duplicate sections of the same name should be
1118 discarded, rather than being combined into a single section as
1119 is usually done. This is similar to how common symbols are
1120 handled. See SEC_LINK_DUPLICATES below. */
1121 #define SEC_LINK_ONCE 0x100000
1123 /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1124 should handle duplicate sections. */
1125 #define SEC_LINK_DUPLICATES 0x600000
1127 /* This value for SEC_LINK_DUPLICATES means that duplicate
1128 sections with the same name should simply be discarded. */
1129 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1131 /* This value for SEC_LINK_DUPLICATES means that the linker
1132 should warn if there are any duplicate sections, although
1133 it should still only link one copy. */
1134 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1136 /* This value for SEC_LINK_DUPLICATES means that the linker
1137 should warn if any duplicate sections are a different size. */
1138 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1140 /* This value for SEC_LINK_DUPLICATES means that the linker
1141 should warn if any duplicate sections contain different
1143 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1145 /* This section was created by the linker as part of dynamic
1146 relocation or other arcane processing. It is skipped when
1147 going through the first-pass output, trusting that someone
1148 else up the line will take care of it later. */
1149 #define SEC_LINKER_CREATED 0x800000
1151 /* This section should not be subject to garbage collection. */
1152 #define SEC_KEEP 0x1000000
1154 /* This section contains "short" data, and should be placed
1156 #define SEC_SMALL_DATA 0x2000000
1158 /* This section contains data which may be shared with other
1159 executables or shared objects. */
1160 #define SEC_SHARED 0x4000000
1162 /* When a section with this flag is being linked, then if the size of
1163 the input section is less than a page, it should not cross a page
1164 boundary. If the size of the input section is one page or more, it
1165 should be aligned on a page boundary. */
1166 #define SEC_BLOCK 0x8000000
1168 /* Conditionally link this section; do not link if there are no
1169 references found to any symbol in the section. */
1170 #define SEC_CLINK 0x10000000
1172 /* Attempt to merge identical entities in the section.
1173 Entity size is given in the entsize field. */
1174 #define SEC_MERGE 0x20000000
1176 /* If given with SEC_MERGE, entities to merge are zero terminated
1177 strings where entsize specifies character size instead of fixed
1179 #define SEC_STRINGS 0x40000000
1181 /* End of section flags. */
1183 /* Some internal packed boolean fields. */
1185 /* See the vma field. */
1186 unsigned int user_set_vma : 1;
1188 /* Whether relocations have been processed. */
1189 unsigned int reloc_done : 1;
1191 /* A mark flag used by some of the linker backends. */
1192 unsigned int linker_mark : 1;
1194 /* Another mark flag used by some of the linker backends. Set for
1195 output sections that have a input section. */
1196 unsigned int linker_has_input : 1;
1198 /* A mark flag used by some linker backends for garbage collection. */
1199 unsigned int gc_mark : 1;
1201 /* Used by the ELF code to mark sections which have been allocated to segments. */
1202 unsigned int segment_mark : 1;
1204 /* End of internal packed boolean fields. */
1206 /* The virtual memory address of the section - where it will be
1207 at run time. The symbols are relocated against this. The
1208 user_set_vma flag is maintained by bfd; if it's not set, the
1209 backend can assign addresses (for example, in <<a.out>>, where
1210 the default address for <<.data>> is dependent on the specific
1211 target and various flags). */
1215 /* The load address of the section - where it would be in a
1216 rom image; really only used for writing section header
1221 /* The size of the section in octets, as it will be output.
1222 Contains a value even if the section has no contents (e.g., the
1223 size of <<.bss>>). This will be filled in after relocation. */
1225 bfd_size_type _cooked_size;
1227 /* The original size on disk of the section, in octets. Normally this
1228 value is the same as the size, but if some relaxing has
1229 been done, then this value will be bigger. */
1231 bfd_size_type _raw_size;
1233 /* If this section is going to be output, then this value is the
1234 offset in *bytes* into the output section of the first byte in the
1235 input section (byte ==> smallest addressable unit on the
1236 target). In most cases, if this was going to start at the
1237 100th octet (8-bit quantity) in the output section, this value
1238 would be 100. However, if the target byte size is 16 bits
1239 (bfd_octets_per_byte is "2"), this value would be 50. */
1241 bfd_vma output_offset;
1243 /* The output section through which to map on output. */
1245 struct sec *output_section;
1247 /* The alignment requirement of the section, as an exponent of 2 -
1248 e.g., 3 aligns to 2^3 (or 8). */
1250 unsigned int alignment_power;
1252 /* If an input section, a pointer to a vector of relocation
1253 records for the data in this section. */
1255 struct reloc_cache_entry *relocation;
1257 /* If an output section, a pointer to a vector of pointers to
1258 relocation records for the data in this section. */
1260 struct reloc_cache_entry **orelocation;
1262 /* The number of relocation records in one of the above */
1264 unsigned reloc_count;
1266 /* Information below is back end specific - and not always used
1269 /* File position of section data. */
1273 /* File position of relocation info. */
1275 file_ptr rel_filepos;
1277 /* File position of line data. */
1279 file_ptr line_filepos;
1281 /* Pointer to data for applications. */
1285 /* If the SEC_IN_MEMORY flag is set, this points to the actual
1287 unsigned char *contents;
1289 /* Attached line number information. */
1293 /* Number of line number records. */
1295 unsigned int lineno_count;
1297 /* Entity size for merging purposes. */
1299 unsigned int entsize;
1301 /* Optional information about a COMDAT entry; NULL if not COMDAT. */
1303 struct bfd_comdat_info *comdat;
1305 /* When a section is being output, this value changes as more
1306 linenumbers are written out. */
1308 file_ptr moving_line_filepos;
1310 /* What the section number is in the target world. */
1316 /* If this is a constructor section then here is a list of the
1317 relocations created to relocate items within it. */
1319 struct relent_chain *constructor_chain;
1321 /* The BFD which owns the section. */
1325 /* A symbol which points at this section only */
1326 struct symbol_cache_entry *symbol;
1327 struct symbol_cache_entry **symbol_ptr_ptr;
1329 struct bfd_link_order *link_order_head;
1330 struct bfd_link_order *link_order_tail;
1333 /* These sections are global, and are managed by BFD. The application
1334 and target back end are not permitted to change the values in
1335 these sections. New code should use the section_ptr macros rather
1336 than referring directly to the const sections. The const sections
1337 may eventually vanish. */
1338 #define BFD_ABS_SECTION_NAME "*ABS*"
1339 #define BFD_UND_SECTION_NAME "*UND*"
1340 #define BFD_COM_SECTION_NAME "*COM*"
1341 #define BFD_IND_SECTION_NAME "*IND*"
1343 /* the absolute section */
1344 extern const asection bfd_abs_section;
1345 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1346 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1347 /* Pointer to the undefined section */
1348 extern const asection bfd_und_section;
1349 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1350 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1351 /* Pointer to the common section */
1352 extern const asection bfd_com_section;
1353 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1354 /* Pointer to the indirect section */
1355 extern const asection bfd_ind_section;
1356 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1357 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1359 extern const struct symbol_cache_entry * const bfd_abs_symbol;
1360 extern const struct symbol_cache_entry * const bfd_com_symbol;
1361 extern const struct symbol_cache_entry * const bfd_und_symbol;
1362 extern const struct symbol_cache_entry * const bfd_ind_symbol;
1363 #define bfd_get_section_size_before_reloc(section) \
1364 ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1365 : (section)->_raw_size)
1366 #define bfd_get_section_size_after_reloc(section) \
1367 ((section)->reloc_done ? (section)->_cooked_size \
1368 : (abort (), (bfd_size_type) 1))
1370 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1373 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1374 const char *templat,
1378 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1381 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1384 bfd_make_section PARAMS ((bfd *, const char *name));
1387 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1390 bfd_map_over_sections PARAMS ((bfd *abfd,
1391 void (*func) (bfd *abfd,
1397 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1400 bfd_set_section_contents PARAMS ((bfd *abfd, asection *section,
1401 PTR data, file_ptr offset,
1402 bfd_size_type count));
1405 bfd_get_section_contents PARAMS ((bfd *abfd, asection *section,
1406 PTR location, file_ptr offset,
1407 bfd_size_type count));
1410 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec,
1411 bfd *obfd, asection *osec));
1413 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1414 BFD_SEND (obfd, _bfd_copy_private_section_data, \
1415 (ibfd, isection, obfd, osection))
1417 _bfd_strip_section_from_output PARAMS ((struct bfd_link_info *info, asection *section));
1419 enum bfd_architecture
1421 bfd_arch_unknown, /* File arch not known */
1422 bfd_arch_obscure, /* Arch known, not one of these */
1423 bfd_arch_m68k, /* Motorola 68xxx */
1424 #define bfd_mach_m68000 1
1425 #define bfd_mach_m68008 2
1426 #define bfd_mach_m68010 3
1427 #define bfd_mach_m68020 4
1428 #define bfd_mach_m68030 5
1429 #define bfd_mach_m68040 6
1430 #define bfd_mach_m68060 7
1431 #define bfd_mach_cpu32 8
1432 #define bfd_mach_mcf5200 9
1433 #define bfd_mach_mcf5206e 10
1434 #define bfd_mach_mcf5307 11
1435 #define bfd_mach_mcf5407 12
1436 bfd_arch_vax, /* DEC Vax */
1437 bfd_arch_i960, /* Intel 960 */
1438 /* The order of the following is important.
1439 lower number indicates a machine type that
1440 only accepts a subset of the instructions
1441 available to machines with higher numbers.
1442 The exception is the "ca", which is
1443 incompatible with all other machines except
1446 #define bfd_mach_i960_core 1
1447 #define bfd_mach_i960_ka_sa 2
1448 #define bfd_mach_i960_kb_sb 3
1449 #define bfd_mach_i960_mc 4
1450 #define bfd_mach_i960_xa 5
1451 #define bfd_mach_i960_ca 6
1452 #define bfd_mach_i960_jx 7
1453 #define bfd_mach_i960_hx 8
1455 bfd_arch_a29k, /* AMD 29000 */
1456 bfd_arch_sparc, /* SPARC */
1457 #define bfd_mach_sparc 1
1458 /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */
1459 #define bfd_mach_sparc_sparclet 2
1460 #define bfd_mach_sparc_sparclite 3
1461 #define bfd_mach_sparc_v8plus 4
1462 #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns */
1463 #define bfd_mach_sparc_sparclite_le 6
1464 #define bfd_mach_sparc_v9 7
1465 #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns */
1466 #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns */
1467 #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns */
1468 /* Nonzero if MACH has the v9 instruction set. */
1469 #define bfd_mach_sparc_v9_p(mach) \
1470 ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1471 && (mach) != bfd_mach_sparc_sparclite_le)
1472 bfd_arch_mips, /* MIPS Rxxxx */
1473 #define bfd_mach_mips3000 3000
1474 #define bfd_mach_mips3900 3900
1475 #define bfd_mach_mips4000 4000
1476 #define bfd_mach_mips4010 4010
1477 #define bfd_mach_mips4100 4100
1478 #define bfd_mach_mips4111 4111
1479 #define bfd_mach_mips4300 4300
1480 #define bfd_mach_mips4400 4400
1481 #define bfd_mach_mips4600 4600
1482 #define bfd_mach_mips4650 4650
1483 #define bfd_mach_mips5000 5000
1484 #define bfd_mach_mips6000 6000
1485 #define bfd_mach_mips8000 8000
1486 #define bfd_mach_mips10000 10000
1487 #define bfd_mach_mips12000 12000
1488 #define bfd_mach_mips16 16
1489 #define bfd_mach_mips5 5
1490 #define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */
1491 #define bfd_mach_mipsisa32 32
1492 #define bfd_mach_mipsisa64 64
1493 bfd_arch_i386, /* Intel 386 */
1494 #define bfd_mach_i386_i386 0
1495 #define bfd_mach_i386_i8086 1
1496 #define bfd_mach_i386_i386_intel_syntax 2
1497 #define bfd_mach_x86_64 3
1498 #define bfd_mach_x86_64_intel_syntax 4
1499 bfd_arch_we32k, /* AT&T WE32xxx */
1500 bfd_arch_tahoe, /* CCI/Harris Tahoe */
1501 bfd_arch_i860, /* Intel 860 */
1502 bfd_arch_i370, /* IBM 360/370 Mainframes */
1503 bfd_arch_romp, /* IBM ROMP PC/RT */
1504 bfd_arch_alliant, /* Alliant */
1505 bfd_arch_convex, /* Convex */
1506 bfd_arch_m88k, /* Motorola 88xxx */
1507 bfd_arch_pyramid, /* Pyramid Technology */
1508 bfd_arch_h8300, /* Hitachi H8/300 */
1509 #define bfd_mach_h8300 1
1510 #define bfd_mach_h8300h 2
1511 #define bfd_mach_h8300s 3
1512 bfd_arch_pdp11, /* DEC PDP-11 */
1513 bfd_arch_powerpc, /* PowerPC */
1514 #define bfd_mach_ppc 0
1515 #define bfd_mach_ppc_403 403
1516 #define bfd_mach_ppc_403gc 4030
1517 #define bfd_mach_ppc_505 505
1518 #define bfd_mach_ppc_601 601
1519 #define bfd_mach_ppc_602 602
1520 #define bfd_mach_ppc_603 603
1521 #define bfd_mach_ppc_ec603e 6031
1522 #define bfd_mach_ppc_604 604
1523 #define bfd_mach_ppc_620 620
1524 #define bfd_mach_ppc_630 630
1525 #define bfd_mach_ppc_750 750
1526 #define bfd_mach_ppc_860 860
1527 #define bfd_mach_ppc_a35 35
1528 #define bfd_mach_ppc_rs64ii 642
1529 #define bfd_mach_ppc_rs64iii 643
1530 #define bfd_mach_ppc_7400 7400
1531 bfd_arch_rs6000, /* IBM RS/6000 */
1532 #define bfd_mach_rs6k 0
1533 #define bfd_mach_rs6k_rs1 6001
1534 #define bfd_mach_rs6k_rsc 6003
1535 #define bfd_mach_rs6k_rs2 6002
1536 bfd_arch_hppa, /* HP PA RISC */
1537 bfd_arch_d10v, /* Mitsubishi D10V */
1538 #define bfd_mach_d10v 0
1539 #define bfd_mach_d10v_ts2 2
1540 #define bfd_mach_d10v_ts3 3
1541 bfd_arch_d30v, /* Mitsubishi D30V */
1542 bfd_arch_m68hc11, /* Motorola 68HC11 */
1543 bfd_arch_m68hc12, /* Motorola 68HC12 */
1544 bfd_arch_z8k, /* Zilog Z8000 */
1545 #define bfd_mach_z8001 1
1546 #define bfd_mach_z8002 2
1547 bfd_arch_h8500, /* Hitachi H8/500 */
1548 bfd_arch_sh, /* Hitachi SH */
1549 #define bfd_mach_sh 0
1550 #define bfd_mach_sh2 0x20
1551 #define bfd_mach_sh_dsp 0x2d
1552 #define bfd_mach_sh3 0x30
1553 #define bfd_mach_sh3_dsp 0x3d
1554 #define bfd_mach_sh3e 0x3e
1555 #define bfd_mach_sh4 0x40
1556 bfd_arch_alpha, /* Dec Alpha */
1557 #define bfd_mach_alpha_ev4 0x10
1558 #define bfd_mach_alpha_ev5 0x20
1559 #define bfd_mach_alpha_ev6 0x30
1560 bfd_arch_arm, /* Advanced Risc Machines ARM */
1561 #define bfd_mach_arm_2 1
1562 #define bfd_mach_arm_2a 2
1563 #define bfd_mach_arm_3 3
1564 #define bfd_mach_arm_3M 4
1565 #define bfd_mach_arm_4 5
1566 #define bfd_mach_arm_4T 6
1567 #define bfd_mach_arm_5 7
1568 #define bfd_mach_arm_5T 8
1569 #define bfd_mach_arm_5TE 9
1570 #define bfd_mach_arm_XScale 10
1571 bfd_arch_ns32k, /* National Semiconductors ns32000 */
1572 bfd_arch_w65, /* WDC 65816 */
1573 bfd_arch_tic30, /* Texas Instruments TMS320C30 */
1574 bfd_arch_tic54x, /* Texas Instruments TMS320C54X */
1575 bfd_arch_tic80, /* TI TMS320c80 (MVP) */
1576 bfd_arch_v850, /* NEC V850 */
1577 #define bfd_mach_v850 0
1578 #define bfd_mach_v850e 'E'
1579 #define bfd_mach_v850ea 'A'
1580 bfd_arch_arc, /* ARC Cores */
1581 #define bfd_mach_arc_5 0
1582 #define bfd_mach_arc_6 1
1583 #define bfd_mach_arc_7 2
1584 #define bfd_mach_arc_8 3
1585 bfd_arch_m32r, /* Mitsubishi M32R/D */
1586 #define bfd_mach_m32r 0 /* backwards compatibility */
1587 #define bfd_mach_m32rx 'x'
1588 bfd_arch_mn10200, /* Matsushita MN10200 */
1589 bfd_arch_mn10300, /* Matsushita MN10300 */
1590 #define bfd_mach_mn10300 300
1591 #define bfd_mach_am33 330
1593 #define bfd_mach_fr30 0x46523330
1595 bfd_arch_ia64, /* HP/Intel ia64 */
1596 #define bfd_mach_ia64_elf64 0
1597 #define bfd_mach_ia64_elf32 1
1599 bfd_arch_avr, /* Atmel AVR microcontrollers */
1600 #define bfd_mach_avr1 1
1601 #define bfd_mach_avr2 2
1602 #define bfd_mach_avr3 3
1603 #define bfd_mach_avr4 4
1604 #define bfd_mach_avr5 5
1605 bfd_arch_cris, /* Axis CRIS */
1606 bfd_arch_s390, /* IBM s390 */
1607 #define bfd_mach_s390_esa 0
1608 #define bfd_mach_s390_esame 1
1609 bfd_arch_openrisc, /* OpenRISC */
1613 typedef struct bfd_arch_info
1616 int bits_per_address;
1618 enum bfd_architecture arch;
1620 const char *arch_name;
1621 const char *printable_name;
1622 unsigned int section_align_power;
1623 /* True if this is the default machine for the architecture. */
1624 boolean the_default;
1625 const struct bfd_arch_info * (*compatible)
1626 PARAMS ((const struct bfd_arch_info *a,
1627 const struct bfd_arch_info *b));
1629 boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1631 const struct bfd_arch_info *next;
1632 } bfd_arch_info_type;
1634 bfd_printable_name PARAMS ((bfd *abfd));
1636 const bfd_arch_info_type *
1637 bfd_scan_arch PARAMS ((const char *string));
1640 bfd_arch_list PARAMS ((void));
1642 const bfd_arch_info_type *
1643 bfd_arch_get_compatible PARAMS ((
1648 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1650 enum bfd_architecture
1651 bfd_get_arch PARAMS ((bfd *abfd));
1654 bfd_get_mach PARAMS ((bfd *abfd));
1657 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1660 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1662 const bfd_arch_info_type *
1663 bfd_get_arch_info PARAMS ((bfd *abfd));
1665 const bfd_arch_info_type *
1666 bfd_lookup_arch PARAMS ((enum bfd_architecture
1668 unsigned long machine));
1671 bfd_printable_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long machine));
1674 bfd_octets_per_byte PARAMS ((bfd *abfd));
1677 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1678 unsigned long machine));
1680 typedef enum bfd_reloc_status
1682 /* No errors detected */
1685 /* The relocation was performed, but there was an overflow. */
1688 /* The address to relocate was not within the section supplied. */
1689 bfd_reloc_outofrange,
1691 /* Used by special functions */
1694 /* Unsupported relocation size requested. */
1695 bfd_reloc_notsupported,
1700 /* The symbol to relocate against was undefined. */
1701 bfd_reloc_undefined,
1703 /* The relocation was performed, but may not be ok - presently
1704 generated only when linking i960 coff files with i960 b.out
1705 symbols. If this type is returned, the error_message argument
1706 to bfd_perform_relocation will be set. */
1709 bfd_reloc_status_type;
1712 typedef struct reloc_cache_entry
1714 /* A pointer into the canonical table of pointers */
1715 struct symbol_cache_entry **sym_ptr_ptr;
1717 /* offset in section */
1718 bfd_size_type address;
1720 /* addend for relocation value */
1723 /* Pointer to how to perform the required relocation */
1724 reloc_howto_type *howto;
1727 enum complain_overflow
1729 /* Do not complain on overflow. */
1730 complain_overflow_dont,
1732 /* Complain if the bitfield overflows, whether it is considered
1733 as signed or unsigned. */
1734 complain_overflow_bitfield,
1736 /* Complain if the value overflows when considered as signed
1738 complain_overflow_signed,
1740 /* Complain if the value overflows when considered as an
1742 complain_overflow_unsigned
1745 struct reloc_howto_struct
1747 /* The type field has mainly a documentary use - the back end can
1748 do what it wants with it, though normally the back end's
1749 external idea of what a reloc number is stored
1750 in this field. For example, a PC relative word relocation
1751 in a coff environment has the type 023 - because that's
1752 what the outside world calls a R_PCRWORD reloc. */
1755 /* The value the final relocation is shifted right by. This drops
1756 unwanted data from the relocation. */
1757 unsigned int rightshift;
1759 /* The size of the item to be relocated. This is *not* a
1760 power-of-two measure. To get the number of bytes operated
1761 on by a type of relocation, use bfd_get_reloc_size. */
1764 /* The number of bits in the item to be relocated. This is used
1765 when doing overflow checking. */
1766 unsigned int bitsize;
1768 /* Notes that the relocation is relative to the location in the
1769 data section of the addend. The relocation function will
1770 subtract from the relocation value the address of the location
1772 boolean pc_relative;
1774 /* The bit position of the reloc value in the destination.
1775 The relocated value is left shifted by this amount. */
1776 unsigned int bitpos;
1778 /* What type of overflow error should be checked for when
1780 enum complain_overflow complain_on_overflow;
1782 /* If this field is non null, then the supplied function is
1783 called rather than the normal function. This allows really
1784 strange relocation methods to be accomodated (e.g., i960 callj
1786 bfd_reloc_status_type (*special_function)
1787 PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
1790 /* The textual name of the relocation type. */
1793 /* Some formats record a relocation addend in the section contents
1794 rather than with the relocation. For ELF formats this is the
1795 distinction between USE_REL and USE_RELA (though the code checks
1796 for USE_REL == 1/0). The value of this field is TRUE if the
1797 addend is recorded with the section contents; when performing a
1798 partial link (ld -r) the section contents (the data) will be
1799 modified. The value of this field is FALSE if addends are
1800 recorded with the relocation (in arelent.addend); when performing
1801 a partial link the relocation will be modified.
1802 All relocations for all ELF USE_RELA targets should set this field
1803 to FALSE (values of TRUE should be looked on with suspicion).
1804 However, the converse is not true: not all relocations of all ELF
1805 USE_REL targets set this field to TRUE. Why this is so is peculiar
1806 to each particular target. For relocs that aren't used in partial
1807 links (e.g. GOT stuff) it doesn't matter what this is set to. */
1808 boolean partial_inplace;
1810 /* The src_mask selects which parts of the read in data
1811 are to be used in the relocation sum. E.g., if this was an 8 bit
1812 byte of data which we read and relocated, this would be
1813 0x000000ff. When we have relocs which have an addend, such as
1814 sun4 extended relocs, the value in the offset part of a
1815 relocating field is garbage so we never use it. In this case
1816 the mask would be 0x00000000. */
1819 /* The dst_mask selects which parts of the instruction are replaced
1820 into the instruction. In most cases src_mask == dst_mask,
1821 except in the above special case, where dst_mask would be
1822 0x000000ff, and src_mask would be 0x00000000. */
1825 /* When some formats create PC relative instructions, they leave
1826 the value of the pc of the place being relocated in the offset
1827 slot of the instruction, so that a PC relative relocation can
1828 be made just by adding in an ordinary offset (e.g., sun3 a.out).
1829 Some formats leave the displacement part of an instruction
1830 empty (e.g., m88k bcs); this flag signals the fact. */
1831 boolean pcrel_offset;
1833 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1834 { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1835 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1836 HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1837 NAME, false, 0, 0, IN)
1839 #define EMPTY_HOWTO(C) \
1840 HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1841 NULL, false, 0, 0, false)
1843 #define HOWTO_PREPARE(relocation, symbol) \
1845 if (symbol != (asymbol *) NULL) \
1847 if (bfd_is_com_section (symbol->section)) \
1853 relocation = symbol->value; \
1858 bfd_get_reloc_size PARAMS ((reloc_howto_type *));
1860 typedef struct relent_chain
1863 struct relent_chain *next;
1865 bfd_reloc_status_type
1866 bfd_check_overflow PARAMS ((enum complain_overflow how,
1867 unsigned int bitsize,
1868 unsigned int rightshift,
1869 unsigned int addrsize,
1870 bfd_vma relocation));
1872 bfd_reloc_status_type
1873 bfd_perform_relocation PARAMS ((bfd *abfd,
1874 arelent *reloc_entry,
1876 asection *input_section,
1878 char **error_message));
1880 bfd_reloc_status_type
1881 bfd_install_relocation PARAMS ((bfd *abfd,
1882 arelent *reloc_entry,
1883 PTR data, bfd_vma data_start,
1884 asection *input_section,
1885 char **error_message));
1887 enum bfd_reloc_code_real {
1888 _dummy_first_bfd_reloc_code_real,
1891 /* Basic absolute relocations of N bits. */
1900 /* PC-relative relocations. Sometimes these are relative to the address
1901 of the relocation itself; sometimes they are relative to the start of
1902 the section containing the relocation. It depends on the specific target.
1904 The 24-bit relocation is used in some Intel 960 configurations. */
1913 BFD_RELOC_32_GOT_PCREL,
1914 BFD_RELOC_16_GOT_PCREL,
1915 BFD_RELOC_8_GOT_PCREL,
1916 BFD_RELOC_32_GOTOFF,
1917 BFD_RELOC_16_GOTOFF,
1918 BFD_RELOC_LO16_GOTOFF,
1919 BFD_RELOC_HI16_GOTOFF,
1920 BFD_RELOC_HI16_S_GOTOFF,
1922 BFD_RELOC_64_PLT_PCREL,
1923 BFD_RELOC_32_PLT_PCREL,
1924 BFD_RELOC_24_PLT_PCREL,
1925 BFD_RELOC_16_PLT_PCREL,
1926 BFD_RELOC_8_PLT_PCREL,
1927 BFD_RELOC_64_PLTOFF,
1928 BFD_RELOC_32_PLTOFF,
1929 BFD_RELOC_16_PLTOFF,
1930 BFD_RELOC_LO16_PLTOFF,
1931 BFD_RELOC_HI16_PLTOFF,
1932 BFD_RELOC_HI16_S_PLTOFF,
1935 /* Relocations used by 68K ELF. */
1936 BFD_RELOC_68K_GLOB_DAT,
1937 BFD_RELOC_68K_JMP_SLOT,
1938 BFD_RELOC_68K_RELATIVE,
1940 /* Linkage-table relative. */
1941 BFD_RELOC_32_BASEREL,
1942 BFD_RELOC_16_BASEREL,
1943 BFD_RELOC_LO16_BASEREL,
1944 BFD_RELOC_HI16_BASEREL,
1945 BFD_RELOC_HI16_S_BASEREL,
1946 BFD_RELOC_8_BASEREL,
1949 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
1952 /* These PC-relative relocations are stored as word displacements --
1953 i.e., byte displacements shifted right two bits. The 30-bit word
1954 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
1955 SPARC. (SPARC tools generally refer to this as <<WDISP30>>.) The
1956 signed 16-bit displacement is used on the MIPS, and the 23-bit
1957 displacement is used on the Alpha. */
1958 BFD_RELOC_32_PCREL_S2,
1959 BFD_RELOC_16_PCREL_S2,
1960 BFD_RELOC_23_PCREL_S2,
1962 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
1963 the target word. These are used on the SPARC. */
1967 /* For systems that allocate a Global Pointer register, these are
1968 displacements off that register. These relocation types are
1969 handled specially, because the value the register will have is
1970 decided relatively late. */
1974 /* Reloc types used for i960/b.out. */
1975 BFD_RELOC_I960_CALLJ,
1977 /* SPARC ELF relocations. There is probably some overlap with other
1978 relocation types already defined. */
1980 BFD_RELOC_SPARC_WDISP22,
1983 BFD_RELOC_SPARC_GOT10,
1984 BFD_RELOC_SPARC_GOT13,
1985 BFD_RELOC_SPARC_GOT22,
1986 BFD_RELOC_SPARC_PC10,
1987 BFD_RELOC_SPARC_PC22,
1988 BFD_RELOC_SPARC_WPLT30,
1989 BFD_RELOC_SPARC_COPY,
1990 BFD_RELOC_SPARC_GLOB_DAT,
1991 BFD_RELOC_SPARC_JMP_SLOT,
1992 BFD_RELOC_SPARC_RELATIVE,
1993 BFD_RELOC_SPARC_UA16,
1994 BFD_RELOC_SPARC_UA32,
1995 BFD_RELOC_SPARC_UA64,
1997 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
1998 BFD_RELOC_SPARC_BASE13,
1999 BFD_RELOC_SPARC_BASE22,
2001 /* SPARC64 relocations */
2002 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
2005 BFD_RELOC_SPARC_OLO10,
2006 BFD_RELOC_SPARC_HH22,
2007 BFD_RELOC_SPARC_HM10,
2008 BFD_RELOC_SPARC_LM22,
2009 BFD_RELOC_SPARC_PC_HH22,
2010 BFD_RELOC_SPARC_PC_HM10,
2011 BFD_RELOC_SPARC_PC_LM22,
2012 BFD_RELOC_SPARC_WDISP16,
2013 BFD_RELOC_SPARC_WDISP19,
2017 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2018 BFD_RELOC_SPARC_PLT64,
2019 BFD_RELOC_SPARC_HIX22,
2020 BFD_RELOC_SPARC_LOX10,
2021 BFD_RELOC_SPARC_H44,
2022 BFD_RELOC_SPARC_M44,
2023 BFD_RELOC_SPARC_L44,
2024 BFD_RELOC_SPARC_REGISTER,
2026 /* SPARC little endian relocation */
2027 BFD_RELOC_SPARC_REV32,
2029 /* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
2030 "addend" in some special way.
2031 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2032 writing; when reading, it will be the absolute section symbol. The
2033 addend is the displacement in bytes of the "lda" instruction from
2034 the "ldah" instruction (which is at the address of this reloc). */
2035 BFD_RELOC_ALPHA_GPDISP_HI16,
2037 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2038 with GPDISP_HI16 relocs. The addend is ignored when writing the
2039 relocations out, and is filled in with the file's GP value on
2040 reading, for convenience. */
2041 BFD_RELOC_ALPHA_GPDISP_LO16,
2043 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2044 relocation except that there is no accompanying GPDISP_LO16
2046 BFD_RELOC_ALPHA_GPDISP,
2048 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2049 the assembler turns it into a LDQ instruction to load the address of
2050 the symbol, and then fills in a register in the real instruction.
2052 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2053 section symbol. The addend is ignored when writing, but is filled
2054 in with the file's GP value on reading, for convenience, as with the
2057 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2058 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2059 but it generates output not based on the position within the .got
2060 section, but relative to the GP value chosen for the file during the
2063 The LITUSE reloc, on the instruction using the loaded address, gives
2064 information to the linker that it might be able to use to optimize
2065 away some literal section references. The symbol is ignored (read
2066 as the absolute section symbol), and the "addend" indicates the type
2067 of instruction using the register:
2068 1 - "memory" fmt insn
2069 2 - byte-manipulation (byte offset reg)
2070 3 - jsr (target of branch) */
2071 BFD_RELOC_ALPHA_LITERAL,
2072 BFD_RELOC_ALPHA_ELF_LITERAL,
2073 BFD_RELOC_ALPHA_LITUSE,
2075 /* The HINT relocation indicates a value that should be filled into the
2076 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2077 prediction logic which may be provided on some processors. */
2078 BFD_RELOC_ALPHA_HINT,
2080 /* The LINKAGE relocation outputs a linkage pair in the object file,
2081 which is filled by the linker. */
2082 BFD_RELOC_ALPHA_LINKAGE,
2084 /* The CODEADDR relocation outputs a STO_CA in the object file,
2085 which is filled by the linker. */
2086 BFD_RELOC_ALPHA_CODEADDR,
2088 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2090 BFD_RELOC_ALPHA_GPREL_HI16,
2091 BFD_RELOC_ALPHA_GPREL_LO16,
2093 /* Bits 27..2 of the relocation address shifted right 2 bits;
2094 simple reloc otherwise. */
2097 /* The MIPS16 jump instruction. */
2098 BFD_RELOC_MIPS16_JMP,
2100 /* MIPS16 GP relative reloc. */
2101 BFD_RELOC_MIPS16_GPREL,
2103 /* High 16 bits of 32-bit value; simple reloc. */
2106 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2107 extended and added to form the final result. If the low 16
2108 bits form a negative number, we need to add one to the high value
2109 to compensate for the borrow when the low bits are added. */
2115 /* Like BFD_RELOC_HI16_S, but PC relative. */
2116 BFD_RELOC_PCREL_HI16_S,
2118 /* Like BFD_RELOC_LO16, but PC relative. */
2119 BFD_RELOC_PCREL_LO16,
2121 /* Relocation relative to the global pointer. */
2122 #define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16
2124 /* Relocation against a MIPS literal section. */
2125 BFD_RELOC_MIPS_LITERAL,
2127 /* MIPS ELF relocations. */
2128 BFD_RELOC_MIPS_GOT16,
2129 BFD_RELOC_MIPS_CALL16,
2130 #define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32
2131 BFD_RELOC_MIPS_GOT_HI16,
2132 BFD_RELOC_MIPS_GOT_LO16,
2133 BFD_RELOC_MIPS_CALL_HI16,
2134 BFD_RELOC_MIPS_CALL_LO16,
2136 BFD_RELOC_MIPS_GOT_PAGE,
2137 BFD_RELOC_MIPS_GOT_OFST,
2138 BFD_RELOC_MIPS_GOT_DISP,
2139 BFD_RELOC_MIPS_SHIFT5,
2140 BFD_RELOC_MIPS_SHIFT6,
2141 BFD_RELOC_MIPS_INSERT_A,
2142 BFD_RELOC_MIPS_INSERT_B,
2143 BFD_RELOC_MIPS_DELETE,
2144 BFD_RELOC_MIPS_HIGHEST,
2145 BFD_RELOC_MIPS_HIGHER,
2146 BFD_RELOC_MIPS_SCN_DISP,
2147 BFD_RELOC_MIPS_REL16,
2148 BFD_RELOC_MIPS_RELGOT,
2149 BFD_RELOC_MIPS_JALR,
2152 /* i386/elf relocations */
2153 BFD_RELOC_386_GOT32,
2154 BFD_RELOC_386_PLT32,
2156 BFD_RELOC_386_GLOB_DAT,
2157 BFD_RELOC_386_JUMP_SLOT,
2158 BFD_RELOC_386_RELATIVE,
2159 BFD_RELOC_386_GOTOFF,
2160 BFD_RELOC_386_GOTPC,
2162 /* x86-64/elf relocations */
2163 BFD_RELOC_X86_64_GOT32,
2164 BFD_RELOC_X86_64_PLT32,
2165 BFD_RELOC_X86_64_COPY,
2166 BFD_RELOC_X86_64_GLOB_DAT,
2167 BFD_RELOC_X86_64_JUMP_SLOT,
2168 BFD_RELOC_X86_64_RELATIVE,
2169 BFD_RELOC_X86_64_GOTPCREL,
2170 BFD_RELOC_X86_64_32S,
2172 /* ns32k relocations */
2173 BFD_RELOC_NS32K_IMM_8,
2174 BFD_RELOC_NS32K_IMM_16,
2175 BFD_RELOC_NS32K_IMM_32,
2176 BFD_RELOC_NS32K_IMM_8_PCREL,
2177 BFD_RELOC_NS32K_IMM_16_PCREL,
2178 BFD_RELOC_NS32K_IMM_32_PCREL,
2179 BFD_RELOC_NS32K_DISP_8,
2180 BFD_RELOC_NS32K_DISP_16,
2181 BFD_RELOC_NS32K_DISP_32,
2182 BFD_RELOC_NS32K_DISP_8_PCREL,
2183 BFD_RELOC_NS32K_DISP_16_PCREL,
2184 BFD_RELOC_NS32K_DISP_32_PCREL,
2186 /* PDP11 relocations */
2187 BFD_RELOC_PDP11_DISP_8_PCREL,
2188 BFD_RELOC_PDP11_DISP_6_PCREL,
2190 /* Picojava relocs. Not all of these appear in object files. */
2191 BFD_RELOC_PJ_CODE_HI16,
2192 BFD_RELOC_PJ_CODE_LO16,
2193 BFD_RELOC_PJ_CODE_DIR16,
2194 BFD_RELOC_PJ_CODE_DIR32,
2195 BFD_RELOC_PJ_CODE_REL16,
2196 BFD_RELOC_PJ_CODE_REL32,
2198 /* Power(rs6000) and PowerPC relocations. */
2201 BFD_RELOC_PPC_TOC16,
2203 BFD_RELOC_PPC_B16_BRTAKEN,
2204 BFD_RELOC_PPC_B16_BRNTAKEN,
2206 BFD_RELOC_PPC_BA16_BRTAKEN,
2207 BFD_RELOC_PPC_BA16_BRNTAKEN,
2209 BFD_RELOC_PPC_GLOB_DAT,
2210 BFD_RELOC_PPC_JMP_SLOT,
2211 BFD_RELOC_PPC_RELATIVE,
2212 BFD_RELOC_PPC_LOCAL24PC,
2213 BFD_RELOC_PPC_EMB_NADDR32,
2214 BFD_RELOC_PPC_EMB_NADDR16,
2215 BFD_RELOC_PPC_EMB_NADDR16_LO,
2216 BFD_RELOC_PPC_EMB_NADDR16_HI,
2217 BFD_RELOC_PPC_EMB_NADDR16_HA,
2218 BFD_RELOC_PPC_EMB_SDAI16,
2219 BFD_RELOC_PPC_EMB_SDA2I16,
2220 BFD_RELOC_PPC_EMB_SDA2REL,
2221 BFD_RELOC_PPC_EMB_SDA21,
2222 BFD_RELOC_PPC_EMB_MRKREF,
2223 BFD_RELOC_PPC_EMB_RELSEC16,
2224 BFD_RELOC_PPC_EMB_RELST_LO,
2225 BFD_RELOC_PPC_EMB_RELST_HI,
2226 BFD_RELOC_PPC_EMB_RELST_HA,
2227 BFD_RELOC_PPC_EMB_BIT_FLD,
2228 BFD_RELOC_PPC_EMB_RELSDA,
2229 BFD_RELOC_PPC64_HIGHER,
2230 BFD_RELOC_PPC64_HIGHER_S,
2231 BFD_RELOC_PPC64_HIGHEST,
2232 BFD_RELOC_PPC64_HIGHEST_S,
2233 BFD_RELOC_PPC64_TOC16_LO,
2234 BFD_RELOC_PPC64_TOC16_HI,
2235 BFD_RELOC_PPC64_TOC16_HA,
2236 BFD_RELOC_PPC64_TOC,
2237 BFD_RELOC_PPC64_PLTGOT16,
2238 BFD_RELOC_PPC64_PLTGOT16_LO,
2239 BFD_RELOC_PPC64_PLTGOT16_HI,
2240 BFD_RELOC_PPC64_PLTGOT16_HA,
2241 BFD_RELOC_PPC64_ADDR16_DS,
2242 BFD_RELOC_PPC64_ADDR16_LO_DS,
2243 BFD_RELOC_PPC64_GOT16_DS,
2244 BFD_RELOC_PPC64_GOT16_LO_DS,
2245 BFD_RELOC_PPC64_PLT16_LO_DS,
2246 BFD_RELOC_PPC64_SECTOFF_DS,
2247 BFD_RELOC_PPC64_SECTOFF_LO_DS,
2248 BFD_RELOC_PPC64_TOC16_DS,
2249 BFD_RELOC_PPC64_TOC16_LO_DS,
2250 BFD_RELOC_PPC64_PLTGOT16_DS,
2251 BFD_RELOC_PPC64_PLTGOT16_LO_DS,
2253 /* IBM 370/390 relocations */
2256 /* The type of reloc used to build a contructor table - at the moment
2257 probably a 32 bit wide absolute relocation, but the target can choose.
2258 It generally does map to one of the other relocation types. */
2261 /* ARM 26 bit pc-relative branch. The lowest two bits must be zero and are
2262 not stored in the instruction. */
2263 BFD_RELOC_ARM_PCREL_BRANCH,
2265 /* ARM 26 bit pc-relative branch. The lowest bit must be zero and is
2266 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2267 field in the instruction. */
2268 BFD_RELOC_ARM_PCREL_BLX,
2270 /* Thumb 22 bit pc-relative branch. The lowest bit must be zero and is
2271 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2272 field in the instruction. */
2273 BFD_RELOC_THUMB_PCREL_BLX,
2275 /* These relocs are only used within the ARM assembler. They are not
2276 (at present) written to any object files. */
2277 BFD_RELOC_ARM_IMMEDIATE,
2278 BFD_RELOC_ARM_ADRL_IMMEDIATE,
2279 BFD_RELOC_ARM_OFFSET_IMM,
2280 BFD_RELOC_ARM_SHIFT_IMM,
2282 BFD_RELOC_ARM_MULTI,
2283 BFD_RELOC_ARM_CP_OFF_IMM,
2284 BFD_RELOC_ARM_ADR_IMM,
2285 BFD_RELOC_ARM_LDR_IMM,
2286 BFD_RELOC_ARM_LITERAL,
2287 BFD_RELOC_ARM_IN_POOL,
2288 BFD_RELOC_ARM_OFFSET_IMM8,
2289 BFD_RELOC_ARM_HWLITERAL,
2290 BFD_RELOC_ARM_THUMB_ADD,
2291 BFD_RELOC_ARM_THUMB_IMM,
2292 BFD_RELOC_ARM_THUMB_SHIFT,
2293 BFD_RELOC_ARM_THUMB_OFFSET,
2294 BFD_RELOC_ARM_GOT12,
2295 BFD_RELOC_ARM_GOT32,
2296 BFD_RELOC_ARM_JUMP_SLOT,
2298 BFD_RELOC_ARM_GLOB_DAT,
2299 BFD_RELOC_ARM_PLT32,
2300 BFD_RELOC_ARM_RELATIVE,
2301 BFD_RELOC_ARM_GOTOFF,
2302 BFD_RELOC_ARM_GOTPC,
2304 /* Hitachi SH relocs. Not all of these appear in object files. */
2305 BFD_RELOC_SH_PCDISP8BY2,
2306 BFD_RELOC_SH_PCDISP12BY2,
2308 BFD_RELOC_SH_IMM4BY2,
2309 BFD_RELOC_SH_IMM4BY4,
2311 BFD_RELOC_SH_IMM8BY2,
2312 BFD_RELOC_SH_IMM8BY4,
2313 BFD_RELOC_SH_PCRELIMM8BY2,
2314 BFD_RELOC_SH_PCRELIMM8BY4,
2315 BFD_RELOC_SH_SWITCH16,
2316 BFD_RELOC_SH_SWITCH32,
2323 BFD_RELOC_SH_LOOP_START,
2324 BFD_RELOC_SH_LOOP_END,
2326 BFD_RELOC_SH_GLOB_DAT,
2327 BFD_RELOC_SH_JMP_SLOT,
2328 BFD_RELOC_SH_RELATIVE,
2331 /* Thumb 23-, 12- and 9-bit pc-relative branches. The lowest bit must
2332 be zero and is not stored in the instruction. */
2333 BFD_RELOC_THUMB_PCREL_BRANCH9,
2334 BFD_RELOC_THUMB_PCREL_BRANCH12,
2335 BFD_RELOC_THUMB_PCREL_BRANCH23,
2337 /* ARC Cores relocs.
2338 ARC 22 bit pc-relative branch. The lowest two bits must be zero and are
2339 not stored in the instruction. The high 20 bits are installed in bits 26
2340 through 7 of the instruction. */
2341 BFD_RELOC_ARC_B22_PCREL,
2343 /* ARC 26 bit absolute branch. The lowest two bits must be zero and are not
2344 stored in the instruction. The high 24 bits are installed in bits 23
2348 /* Mitsubishi D10V relocs.
2349 This is a 10-bit reloc with the right 2 bits
2351 BFD_RELOC_D10V_10_PCREL_R,
2353 /* Mitsubishi D10V relocs.
2354 This is a 10-bit reloc with the right 2 bits
2355 assumed to be 0. This is the same as the previous reloc
2356 except it is in the left container, i.e.,
2357 shifted left 15 bits. */
2358 BFD_RELOC_D10V_10_PCREL_L,
2360 /* This is an 18-bit reloc with the right 2 bits
2364 /* This is an 18-bit reloc with the right 2 bits
2366 BFD_RELOC_D10V_18_PCREL,
2368 /* Mitsubishi D30V relocs.
2369 This is a 6-bit absolute reloc. */
2372 /* This is a 6-bit pc-relative reloc with
2373 the right 3 bits assumed to be 0. */
2374 BFD_RELOC_D30V_9_PCREL,
2376 /* This is a 6-bit pc-relative reloc with
2377 the right 3 bits assumed to be 0. Same
2378 as the previous reloc but on the right side
2379 of the container. */
2380 BFD_RELOC_D30V_9_PCREL_R,
2382 /* This is a 12-bit absolute reloc with the
2383 right 3 bitsassumed to be 0. */
2386 /* This is a 12-bit pc-relative reloc with
2387 the right 3 bits assumed to be 0. */
2388 BFD_RELOC_D30V_15_PCREL,
2390 /* This is a 12-bit pc-relative reloc with
2391 the right 3 bits assumed to be 0. Same
2392 as the previous reloc but on the right side
2393 of the container. */
2394 BFD_RELOC_D30V_15_PCREL_R,
2396 /* This is an 18-bit absolute reloc with
2397 the right 3 bits assumed to be 0. */
2400 /* This is an 18-bit pc-relative reloc with
2401 the right 3 bits assumed to be 0. */
2402 BFD_RELOC_D30V_21_PCREL,
2404 /* This is an 18-bit pc-relative reloc with
2405 the right 3 bits assumed to be 0. Same
2406 as the previous reloc but on the right side
2407 of the container. */
2408 BFD_RELOC_D30V_21_PCREL_R,
2410 /* This is a 32-bit absolute reloc. */
2413 /* This is a 32-bit pc-relative reloc. */
2414 BFD_RELOC_D30V_32_PCREL,
2416 /* Mitsubishi M32R relocs.
2417 This is a 24 bit absolute address. */
2420 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2421 BFD_RELOC_M32R_10_PCREL,
2423 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2424 BFD_RELOC_M32R_18_PCREL,
2426 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2427 BFD_RELOC_M32R_26_PCREL,
2429 /* This is a 16-bit reloc containing the high 16 bits of an address
2430 used when the lower 16 bits are treated as unsigned. */
2431 BFD_RELOC_M32R_HI16_ULO,
2433 /* This is a 16-bit reloc containing the high 16 bits of an address
2434 used when the lower 16 bits are treated as signed. */
2435 BFD_RELOC_M32R_HI16_SLO,
2437 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2438 BFD_RELOC_M32R_LO16,
2440 /* This is a 16-bit reloc containing the small data area offset for use in
2441 add3, load, and store instructions. */
2442 BFD_RELOC_M32R_SDA16,
2444 /* This is a 9-bit reloc */
2445 BFD_RELOC_V850_9_PCREL,
2447 /* This is a 22-bit reloc */
2448 BFD_RELOC_V850_22_PCREL,
2450 /* This is a 16 bit offset from the short data area pointer. */
2451 BFD_RELOC_V850_SDA_16_16_OFFSET,
2453 /* This is a 16 bit offset (of which only 15 bits are used) from the
2454 short data area pointer. */
2455 BFD_RELOC_V850_SDA_15_16_OFFSET,
2457 /* This is a 16 bit offset from the zero data area pointer. */
2458 BFD_RELOC_V850_ZDA_16_16_OFFSET,
2460 /* This is a 16 bit offset (of which only 15 bits are used) from the
2461 zero data area pointer. */
2462 BFD_RELOC_V850_ZDA_15_16_OFFSET,
2464 /* This is an 8 bit offset (of which only 6 bits are used) from the
2465 tiny data area pointer. */
2466 BFD_RELOC_V850_TDA_6_8_OFFSET,
2468 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2469 data area pointer. */
2470 BFD_RELOC_V850_TDA_7_8_OFFSET,
2472 /* This is a 7 bit offset from the tiny data area pointer. */
2473 BFD_RELOC_V850_TDA_7_7_OFFSET,
2475 /* This is a 16 bit offset from the tiny data area pointer. */
2476 BFD_RELOC_V850_TDA_16_16_OFFSET,
2478 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2479 data area pointer. */
2480 BFD_RELOC_V850_TDA_4_5_OFFSET,
2482 /* This is a 4 bit offset from the tiny data area pointer. */
2483 BFD_RELOC_V850_TDA_4_4_OFFSET,
2485 /* This is a 16 bit offset from the short data area pointer, with the
2486 bits placed non-contigously in the instruction. */
2487 BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2489 /* This is a 16 bit offset from the zero data area pointer, with the
2490 bits placed non-contigously in the instruction. */
2491 BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2493 /* This is a 6 bit offset from the call table base pointer. */
2494 BFD_RELOC_V850_CALLT_6_7_OFFSET,
2496 /* This is a 16 bit offset from the call table base pointer. */
2497 BFD_RELOC_V850_CALLT_16_16_OFFSET,
2500 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2502 BFD_RELOC_MN10300_32_PCREL,
2504 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2506 BFD_RELOC_MN10300_16_PCREL,
2508 /* This is a 8bit DP reloc for the tms320c30, where the most
2509 significant 8 bits of a 24 bit word are placed into the least
2510 significant 8 bits of the opcode. */
2511 BFD_RELOC_TIC30_LDP,
2513 /* This is a 7bit reloc for the tms320c54x, where the least
2514 significant 7 bits of a 16 bit word are placed into the least
2515 significant 7 bits of the opcode. */
2516 BFD_RELOC_TIC54X_PARTLS7,
2518 /* This is a 9bit DP reloc for the tms320c54x, where the most
2519 significant 9 bits of a 16 bit word are placed into the least
2520 significant 9 bits of the opcode. */
2521 BFD_RELOC_TIC54X_PARTMS9,
2523 /* This is an extended address 23-bit reloc for the tms320c54x. */
2524 BFD_RELOC_TIC54X_23,
2526 /* This is a 16-bit reloc for the tms320c54x, where the least
2527 significant 16 bits of a 23-bit extended address are placed into
2529 BFD_RELOC_TIC54X_16_OF_23,
2531 /* This is a reloc for the tms320c54x, where the most
2532 significant 7 bits of a 23-bit extended address are placed into
2534 BFD_RELOC_TIC54X_MS7_OF_23,
2536 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2539 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2543 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2545 BFD_RELOC_FR30_6_IN_4,
2547 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2549 BFD_RELOC_FR30_8_IN_8,
2551 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2553 BFD_RELOC_FR30_9_IN_8,
2555 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2557 BFD_RELOC_FR30_10_IN_8,
2559 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2560 short offset into 8 bits. */
2561 BFD_RELOC_FR30_9_PCREL,
2563 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2564 short offset into 11 bits. */
2565 BFD_RELOC_FR30_12_PCREL,
2567 /* Motorola Mcore relocations. */
2568 BFD_RELOC_MCORE_PCREL_IMM8BY4,
2569 BFD_RELOC_MCORE_PCREL_IMM11BY2,
2570 BFD_RELOC_MCORE_PCREL_IMM4BY2,
2571 BFD_RELOC_MCORE_PCREL_32,
2572 BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2573 BFD_RELOC_MCORE_RVA,
2575 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2576 short offset into 7 bits. */
2577 BFD_RELOC_AVR_7_PCREL,
2579 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2580 short offset into 12 bits. */
2581 BFD_RELOC_AVR_13_PCREL,
2583 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2584 program memory address) into 16 bits. */
2585 BFD_RELOC_AVR_16_PM,
2587 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2588 data memory address) into 8 bit immediate value of LDI insn. */
2589 BFD_RELOC_AVR_LO8_LDI,
2591 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2592 of data memory address) into 8 bit immediate value of LDI insn. */
2593 BFD_RELOC_AVR_HI8_LDI,
2595 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2596 of program memory address) into 8 bit immediate value of LDI insn. */
2597 BFD_RELOC_AVR_HH8_LDI,
2599 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2600 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2601 BFD_RELOC_AVR_LO8_LDI_NEG,
2603 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2604 (high 8 bit of data memory address) into 8 bit immediate value of
2606 BFD_RELOC_AVR_HI8_LDI_NEG,
2608 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2609 (most high 8 bit of program memory address) into 8 bit immediate value
2610 of LDI or SUBI insn. */
2611 BFD_RELOC_AVR_HH8_LDI_NEG,
2613 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2614 command address) into 8 bit immediate value of LDI insn. */
2615 BFD_RELOC_AVR_LO8_LDI_PM,
2617 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2618 of command address) into 8 bit immediate value of LDI insn. */
2619 BFD_RELOC_AVR_HI8_LDI_PM,
2621 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2622 of command address) into 8 bit immediate value of LDI insn. */
2623 BFD_RELOC_AVR_HH8_LDI_PM,
2625 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2626 (usually command address) into 8 bit immediate value of SUBI insn. */
2627 BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2629 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2630 (high 8 bit of 16 bit command address) into 8 bit immediate value
2632 BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2634 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2635 (high 6 bit of 22 bit command address) into 8 bit immediate
2636 value of SUBI insn. */
2637 BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2639 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2643 /* Direct 12 bit. */
2646 /* 12 bit GOT offset. */
2647 BFD_RELOC_390_GOT12,
2649 /* 32 bit PC relative PLT address. */
2650 BFD_RELOC_390_PLT32,
2652 /* Copy symbol at runtime. */
2655 /* Create GOT entry. */
2656 BFD_RELOC_390_GLOB_DAT,
2658 /* Create PLT entry. */
2659 BFD_RELOC_390_JMP_SLOT,
2661 /* Adjust by program base. */
2662 BFD_RELOC_390_RELATIVE,
2664 /* 32 bit PC relative offset to GOT. */
2665 BFD_RELOC_390_GOTPC,
2667 /* 16 bit GOT offset. */
2668 BFD_RELOC_390_GOT16,
2670 /* PC relative 16 bit shifted by 1. */
2671 BFD_RELOC_390_PC16DBL,
2673 /* 16 bit PC rel. PLT shifted by 1. */
2674 BFD_RELOC_390_PLT16DBL,
2676 /* PC relative 32 bit shifted by 1. */
2677 BFD_RELOC_390_PC32DBL,
2679 /* 32 bit PC rel. PLT shifted by 1. */
2680 BFD_RELOC_390_PLT32DBL,
2682 /* 32 bit PC rel. GOT shifted by 1. */
2683 BFD_RELOC_390_GOTPCDBL,
2685 /* 64 bit GOT offset. */
2686 BFD_RELOC_390_GOT64,
2688 /* 64 bit PC relative PLT address. */
2689 BFD_RELOC_390_PLT64,
2691 /* 32 bit rel. offset to GOT entry. */
2692 BFD_RELOC_390_GOTENT,
2694 /* These two relocations are used by the linker to determine which of
2695 the entries in a C++ virtual function table are actually used. When
2696 the --gc-sections option is given, the linker will zero out the entries
2697 that are not used, so that the code for those functions need not be
2698 included in the output.
2700 VTABLE_INHERIT is a zero-space relocation used to describe to the
2701 linker the inheritence tree of a C++ virtual function table. The
2702 relocation's symbol should be the parent class' vtable, and the
2703 relocation should be located at the child vtable.
2705 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2706 virtual function table entry. The reloc's symbol should refer to the
2707 table of the class mentioned in the code. Off of that base, an offset
2708 describes the entry that is being used. For Rela hosts, this offset
2709 is stored in the reloc's addend. For Rel hosts, we are forced to put
2710 this offset in the reloc's section offset. */
2711 BFD_RELOC_VTABLE_INHERIT,
2712 BFD_RELOC_VTABLE_ENTRY,
2714 /* Intel IA64 Relocations. */
2715 BFD_RELOC_IA64_IMM14,
2716 BFD_RELOC_IA64_IMM22,
2717 BFD_RELOC_IA64_IMM64,
2718 BFD_RELOC_IA64_DIR32MSB,
2719 BFD_RELOC_IA64_DIR32LSB,
2720 BFD_RELOC_IA64_DIR64MSB,
2721 BFD_RELOC_IA64_DIR64LSB,
2722 BFD_RELOC_IA64_GPREL22,
2723 BFD_RELOC_IA64_GPREL64I,
2724 BFD_RELOC_IA64_GPREL32MSB,
2725 BFD_RELOC_IA64_GPREL32LSB,
2726 BFD_RELOC_IA64_GPREL64MSB,
2727 BFD_RELOC_IA64_GPREL64LSB,
2728 BFD_RELOC_IA64_LTOFF22,
2729 BFD_RELOC_IA64_LTOFF64I,
2730 BFD_RELOC_IA64_PLTOFF22,
2731 BFD_RELOC_IA64_PLTOFF64I,
2732 BFD_RELOC_IA64_PLTOFF64MSB,
2733 BFD_RELOC_IA64_PLTOFF64LSB,
2734 BFD_RELOC_IA64_FPTR64I,
2735 BFD_RELOC_IA64_FPTR32MSB,
2736 BFD_RELOC_IA64_FPTR32LSB,
2737 BFD_RELOC_IA64_FPTR64MSB,
2738 BFD_RELOC_IA64_FPTR64LSB,
2739 BFD_RELOC_IA64_PCREL21B,
2740 BFD_RELOC_IA64_PCREL21BI,
2741 BFD_RELOC_IA64_PCREL21M,
2742 BFD_RELOC_IA64_PCREL21F,
2743 BFD_RELOC_IA64_PCREL22,
2744 BFD_RELOC_IA64_PCREL60B,
2745 BFD_RELOC_IA64_PCREL64I,
2746 BFD_RELOC_IA64_PCREL32MSB,
2747 BFD_RELOC_IA64_PCREL32LSB,
2748 BFD_RELOC_IA64_PCREL64MSB,
2749 BFD_RELOC_IA64_PCREL64LSB,
2750 BFD_RELOC_IA64_LTOFF_FPTR22,
2751 BFD_RELOC_IA64_LTOFF_FPTR64I,
2752 BFD_RELOC_IA64_LTOFF_FPTR32MSB,
2753 BFD_RELOC_IA64_LTOFF_FPTR32LSB,
2754 BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2755 BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2756 BFD_RELOC_IA64_SEGREL32MSB,
2757 BFD_RELOC_IA64_SEGREL32LSB,
2758 BFD_RELOC_IA64_SEGREL64MSB,
2759 BFD_RELOC_IA64_SEGREL64LSB,
2760 BFD_RELOC_IA64_SECREL32MSB,
2761 BFD_RELOC_IA64_SECREL32LSB,
2762 BFD_RELOC_IA64_SECREL64MSB,
2763 BFD_RELOC_IA64_SECREL64LSB,
2764 BFD_RELOC_IA64_REL32MSB,
2765 BFD_RELOC_IA64_REL32LSB,
2766 BFD_RELOC_IA64_REL64MSB,
2767 BFD_RELOC_IA64_REL64LSB,
2768 BFD_RELOC_IA64_LTV32MSB,
2769 BFD_RELOC_IA64_LTV32LSB,
2770 BFD_RELOC_IA64_LTV64MSB,
2771 BFD_RELOC_IA64_LTV64LSB,
2772 BFD_RELOC_IA64_IPLTMSB,
2773 BFD_RELOC_IA64_IPLTLSB,
2774 BFD_RELOC_IA64_COPY,
2775 BFD_RELOC_IA64_TPREL22,
2776 BFD_RELOC_IA64_TPREL64MSB,
2777 BFD_RELOC_IA64_TPREL64LSB,
2778 BFD_RELOC_IA64_LTOFF_TP22,
2779 BFD_RELOC_IA64_LTOFF22X,
2780 BFD_RELOC_IA64_LDXMOV,
2782 /* Motorola 68HC11 reloc.
2783 This is the 8 bits high part of an absolute address. */
2784 BFD_RELOC_M68HC11_HI8,
2786 /* Motorola 68HC11 reloc.
2787 This is the 8 bits low part of an absolute address. */
2788 BFD_RELOC_M68HC11_LO8,
2790 /* Motorola 68HC11 reloc.
2791 This is the 3 bits of a value. */
2792 BFD_RELOC_M68HC11_3B,
2794 /* These relocs are only used within the CRIS assembler. They are not
2795 (at present) written to any object files. */
2796 BFD_RELOC_CRIS_BDISP8,
2797 BFD_RELOC_CRIS_UNSIGNED_5,
2798 BFD_RELOC_CRIS_SIGNED_6,
2799 BFD_RELOC_CRIS_UNSIGNED_6,
2800 BFD_RELOC_CRIS_UNSIGNED_4,
2802 /* Relocs used in ELF shared libraries for CRIS. */
2803 BFD_RELOC_CRIS_COPY,
2804 BFD_RELOC_CRIS_GLOB_DAT,
2805 BFD_RELOC_CRIS_JUMP_SLOT,
2806 BFD_RELOC_CRIS_RELATIVE,
2808 /* 32-bit offset to symbol-entry within GOT. */
2809 BFD_RELOC_CRIS_32_GOT,
2811 /* 16-bit offset to symbol-entry within GOT. */
2812 BFD_RELOC_CRIS_16_GOT,
2814 /* 32-bit offset to symbol-entry within GOT, with PLT handling. */
2815 BFD_RELOC_CRIS_32_GOTPLT,
2817 /* 16-bit offset to symbol-entry within GOT, with PLT handling. */
2818 BFD_RELOC_CRIS_16_GOTPLT,
2820 /* 32-bit offset to symbol, relative to GOT. */
2821 BFD_RELOC_CRIS_32_GOTREL,
2823 /* 32-bit offset to symbol with PLT entry, relative to GOT. */
2824 BFD_RELOC_CRIS_32_PLT_GOTREL,
2826 /* 32-bit offset to symbol with PLT entry, relative to this relocation. */
2827 BFD_RELOC_CRIS_32_PLT_PCREL,
2829 /* Intel i860 Relocations. */
2831 BFD_RELOC_860_GLOB_DAT,
2832 BFD_RELOC_860_JUMP_SLOT,
2833 BFD_RELOC_860_RELATIVE,
2835 BFD_RELOC_860_PLT26,
2838 BFD_RELOC_860_SPLIT0,
2840 BFD_RELOC_860_SPLIT1,
2842 BFD_RELOC_860_SPLIT2,
2844 BFD_RELOC_860_LOGOT0,
2845 BFD_RELOC_860_SPGOT0,
2846 BFD_RELOC_860_LOGOT1,
2847 BFD_RELOC_860_SPGOT1,
2848 BFD_RELOC_860_LOGOTOFF0,
2849 BFD_RELOC_860_SPGOTOFF0,
2850 BFD_RELOC_860_LOGOTOFF1,
2851 BFD_RELOC_860_SPGOTOFF1,
2852 BFD_RELOC_860_LOGOTOFF2,
2853 BFD_RELOC_860_LOGOTOFF3,
2855 BFD_RELOC_860_HIGHADJ,
2856 BFD_RELOC_860_HAGOT,
2857 BFD_RELOC_860_HAGOTOFF,
2860 BFD_RELOC_860_HIGOT,
2861 BFD_RELOC_860_HIGOTOFF,
2863 /* OpenRISC Relocations. */
2864 BFD_RELOC_OPENRISC_ABS_26,
2865 BFD_RELOC_OPENRISC_REL_26,
2867 /* H8 elf Relocations. */
2868 BFD_RELOC_H8_DIR16A8,
2869 BFD_RELOC_H8_DIR16R8,
2870 BFD_RELOC_H8_DIR24A8,
2871 BFD_RELOC_H8_DIR24R8,
2872 BFD_RELOC_H8_DIR32A16,
2874 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
2876 bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
2879 bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
2882 typedef struct symbol_cache_entry
2884 /* A pointer to the BFD which owns the symbol. This information
2885 is necessary so that a back end can work out what additional
2886 information (invisible to the application writer) is carried
2889 This field is *almost* redundant, since you can use section->owner
2890 instead, except that some symbols point to the global sections
2891 bfd_{abs,com,und}_section. This could be fixed by making
2892 these globals be per-bfd (or per-target-flavor). FIXME. */
2894 struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
2896 /* The text of the symbol. The name is left alone, and not copied; the
2897 application may not alter it. */
2900 /* The value of the symbol. This really should be a union of a
2901 numeric value with a pointer, since some flags indicate that
2902 a pointer to another symbol is stored here. */
2905 /* Attributes of a symbol: */
2907 #define BSF_NO_FLAGS 0x00
2909 /* The symbol has local scope; <<static>> in <<C>>. The value
2910 is the offset into the section of the data. */
2911 #define BSF_LOCAL 0x01
2913 /* The symbol has global scope; initialized data in <<C>>. The
2914 value is the offset into the section of the data. */
2915 #define BSF_GLOBAL 0x02
2917 /* The symbol has global scope and is exported. The value is
2918 the offset into the section of the data. */
2919 #define BSF_EXPORT BSF_GLOBAL /* no real difference */
2921 /* A normal C symbol would be one of:
2922 <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
2925 /* The symbol is a debugging record. The value has an arbitary
2926 meaning, unless BSF_DEBUGGING_RELOC is also set. */
2927 #define BSF_DEBUGGING 0x08
2929 /* The symbol denotes a function entry point. Used in ELF,
2930 perhaps others someday. */
2931 #define BSF_FUNCTION 0x10
2933 /* Used by the linker. */
2934 #define BSF_KEEP 0x20
2935 #define BSF_KEEP_G 0x40
2937 /* A weak global symbol, overridable without warnings by
2938 a regular global symbol of the same name. */
2939 #define BSF_WEAK 0x80
2941 /* This symbol was created to point to a section, e.g. ELF's
2942 STT_SECTION symbols. */
2943 #define BSF_SECTION_SYM 0x100
2945 /* The symbol used to be a common symbol, but now it is
2947 #define BSF_OLD_COMMON 0x200
2949 /* The default value for common data. */
2950 #define BFD_FORT_COMM_DEFAULT_VALUE 0
2952 /* In some files the type of a symbol sometimes alters its
2953 location in an output file - ie in coff a <<ISFCN>> symbol
2954 which is also <<C_EXT>> symbol appears where it was
2955 declared and not at the end of a section. This bit is set
2956 by the target BFD part to convey this information. */
2958 #define BSF_NOT_AT_END 0x400
2960 /* Signal that the symbol is the label of constructor section. */
2961 #define BSF_CONSTRUCTOR 0x800
2963 /* Signal that the symbol is a warning symbol. The name is a
2964 warning. The name of the next symbol is the one to warn about;
2965 if a reference is made to a symbol with the same name as the next
2966 symbol, a warning is issued by the linker. */
2967 #define BSF_WARNING 0x1000
2969 /* Signal that the symbol is indirect. This symbol is an indirect
2970 pointer to the symbol with the same name as the next symbol. */
2971 #define BSF_INDIRECT 0x2000
2973 /* BSF_FILE marks symbols that contain a file name. This is used
2974 for ELF STT_FILE symbols. */
2975 #define BSF_FILE 0x4000
2977 /* Symbol is from dynamic linking information. */
2978 #define BSF_DYNAMIC 0x8000
2980 /* The symbol denotes a data object. Used in ELF, and perhaps
2982 #define BSF_OBJECT 0x10000
2984 /* This symbol is a debugging symbol. The value is the offset
2985 into the section of the data. BSF_DEBUGGING should be set
2987 #define BSF_DEBUGGING_RELOC 0x20000
2991 /* A pointer to the section to which this symbol is
2992 relative. This will always be non NULL, there are special
2993 sections for undefined and absolute symbols. */
2994 struct sec *section;
2996 /* Back end special data. */
3004 #define bfd_get_symtab_upper_bound(abfd) \
3005 BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3007 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
3010 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
3012 #define bfd_is_local_label_name(abfd, name) \
3013 BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3014 #define bfd_canonicalize_symtab(abfd, location) \
3015 BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3018 bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
3021 bfd_print_symbol_vandf PARAMS ((bfd *abfd, PTR file, asymbol *symbol));
3023 #define bfd_make_empty_symbol(abfd) \
3024 BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3025 #define bfd_make_debug_symbol(abfd,ptr,size) \
3026 BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3028 bfd_decode_symclass PARAMS ((asymbol *symbol));
3031 bfd_is_undefined_symclass PARAMS ((int symclass));
3034 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
3037 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
3039 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3040 BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3041 (ibfd, isymbol, obfd, osymbol))
3044 /* The filename the application opened the BFD with. */
3045 const char *filename;
3047 /* A pointer to the target jump table. */
3048 const struct bfd_target *xvec;
3050 /* To avoid dragging too many header files into every file that
3051 includes `<<bfd.h>>', IOSTREAM has been declared as a "char
3052 *", and MTIME as a "long". Their correct types, to which they
3053 are cast when used, are "FILE *" and "time_t". The iostream
3054 is the result of an fopen on the filename. However, if the
3055 BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3056 to a bfd_in_memory struct. */
3059 /* Is the file descriptor being cached? That is, can it be closed as
3060 needed, and re-opened when accessed later? */
3064 /* Marks whether there was a default target specified when the
3065 BFD was opened. This is used to select which matching algorithm
3066 to use to choose the back end. */
3068 boolean target_defaulted;
3070 /* The caching routines use these to maintain a
3071 least-recently-used list of BFDs */
3073 struct _bfd *lru_prev, *lru_next;
3075 /* When a file is closed by the caching routines, BFD retains
3076 state information on the file here: */
3080 /* and here: (``once'' means at least once) */
3082 boolean opened_once;
3084 /* Set if we have a locally maintained mtime value, rather than
3085 getting it from the file each time: */
3089 /* File modified time, if mtime_set is true: */
3093 /* Reserved for an unimplemented file locking extension.*/
3097 /* The format which belongs to the BFD. (object, core, etc.) */
3101 /* The direction the BFD was opened with*/
3103 enum bfd_direction {no_direction = 0,
3105 write_direction = 2,
3106 both_direction = 3} direction;
3108 /* Format_specific flags*/
3112 /* Currently my_archive is tested before adding origin to
3113 anything. I believe that this can become always an add of
3114 origin, with origin set to 0 for non archive files. */
3118 /* Remember when output has begun, to stop strange things
3120 boolean output_has_begun;
3122 /* Pointer to linked list of sections*/
3123 struct sec *sections;
3125 /* The number of sections */
3126 unsigned int section_count;
3128 /* Stuff only useful for object files:
3129 The start address. */
3130 bfd_vma start_address;
3132 /* Used for input and output*/
3133 unsigned int symcount;
3135 /* Symbol table for output BFD (with symcount entries) */
3136 struct symbol_cache_entry **outsymbols;
3138 /* Pointer to structure which contains architecture information*/
3139 const struct bfd_arch_info *arch_info;
3141 /* Stuff only useful for archives:*/
3143 struct _bfd *my_archive; /* The containing archive BFD. */
3144 struct _bfd *next; /* The next BFD in the archive. */
3145 struct _bfd *archive_head; /* The first BFD in the archive. */
3148 /* A chain of BFD structures involved in a link. */
3149 struct _bfd *link_next;
3151 /* A field used by _bfd_generic_link_add_archive_symbols. This will
3152 be used only for archive elements. */
3155 /* Used by the back end to hold private data. */
3159 struct aout_data_struct *aout_data;
3160 struct artdata *aout_ar_data;
3161 struct _oasys_data *oasys_obj_data;
3162 struct _oasys_ar_data *oasys_ar_data;
3163 struct coff_tdata *coff_obj_data;
3164 struct pe_tdata *pe_obj_data;
3165 struct xcoff_tdata *xcoff_obj_data;
3166 struct ecoff_tdata *ecoff_obj_data;
3167 struct ieee_data_struct *ieee_data;
3168 struct ieee_ar_data_struct *ieee_ar_data;
3169 struct srec_data_struct *srec_data;
3170 struct ihex_data_struct *ihex_data;
3171 struct tekhex_data_struct *tekhex_data;
3172 struct elf_obj_tdata *elf_obj_data;
3173 struct nlm_obj_tdata *nlm_obj_data;
3174 struct bout_data_struct *bout_data;
3175 struct sun_core_struct *sun_core_data;
3176 struct sco5_core_struct *sco5_core_data;
3177 struct trad_core_struct *trad_core_data;
3178 struct som_data_struct *som_data;
3179 struct hpux_core_struct *hpux_core_data;
3180 struct hppabsd_core_struct *hppabsd_core_data;
3181 struct sgi_core_struct *sgi_core_data;
3182 struct lynx_core_struct *lynx_core_data;
3183 struct osf_core_struct *osf_core_data;
3184 struct cisco_core_struct *cisco_core_data;
3185 struct versados_data_struct *versados_data;
3186 struct netbsd_core_struct *netbsd_core_data;
3190 /* Used by the application to hold private data*/
3193 /* Where all the allocated stuff under this BFD goes. This is a
3194 struct objalloc *, but we use PTR to avoid requiring the inclusion of
3199 typedef enum bfd_error
3201 bfd_error_no_error = 0,
3202 bfd_error_system_call,
3203 bfd_error_invalid_target,
3204 bfd_error_wrong_format,
3205 bfd_error_wrong_object_format,
3206 bfd_error_invalid_operation,
3207 bfd_error_no_memory,
3208 bfd_error_no_symbols,
3210 bfd_error_no_more_archived_files,
3211 bfd_error_malformed_archive,
3212 bfd_error_file_not_recognized,
3213 bfd_error_file_ambiguously_recognized,
3214 bfd_error_no_contents,
3215 bfd_error_nonrepresentable_section,
3216 bfd_error_no_debug_section,
3217 bfd_error_bad_value,
3218 bfd_error_file_truncated,
3219 bfd_error_file_too_big,
3220 bfd_error_invalid_error_code
3224 bfd_get_error PARAMS ((void));
3227 bfd_set_error PARAMS ((bfd_error_type error_tag));
3230 bfd_errmsg PARAMS ((bfd_error_type error_tag));
3233 bfd_perror PARAMS ((const char *message));
3235 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3237 bfd_error_handler_type
3238 bfd_set_error_handler PARAMS ((bfd_error_handler_type));
3241 bfd_set_error_program_name PARAMS ((const char *));
3243 bfd_error_handler_type
3244 bfd_get_error_handler PARAMS ((void));
3247 bfd_archive_filename PARAMS ((bfd *));
3250 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3253 bfd_canonicalize_reloc PARAMS ((bfd *abfd,
3259 bfd_set_reloc PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
3264 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3267 bfd_get_arch_size PARAMS ((bfd *abfd));
3270 bfd_get_sign_extend_vma PARAMS ((bfd *abfd));
3273 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3276 bfd_get_mtime PARAMS ((bfd *abfd));
3279 bfd_get_size PARAMS ((bfd *abfd));
3282 bfd_get_gp_size PARAMS ((bfd *abfd));
3285 bfd_set_gp_size PARAMS ((bfd *abfd, unsigned int i));
3288 bfd_scan_vma PARAMS ((const char *string, const char **end, int base));
3291 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3293 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3294 BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3297 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3299 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3300 BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3303 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3305 #define bfd_set_private_flags(abfd, flags) \
3306 BFD_SEND (abfd, _bfd_set_private_flags, \
3308 #define bfd_sizeof_headers(abfd, reloc) \
3309 BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3311 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3312 BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line))
3314 /* Do these three do anything useful at all, for any back end? */
3315 #define bfd_debug_info_start(abfd) \
3316 BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3318 #define bfd_debug_info_end(abfd) \
3319 BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3321 #define bfd_debug_info_accumulate(abfd, section) \
3322 BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3325 #define bfd_stat_arch_elt(abfd, stat) \
3326 BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3328 #define bfd_update_armap_timestamp(abfd) \
3329 BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3331 #define bfd_set_arch_mach(abfd, arch, mach)\
3332 BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3334 #define bfd_relax_section(abfd, section, link_info, again) \
3335 BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3337 #define bfd_gc_sections(abfd, link_info) \
3338 BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3340 #define bfd_merge_sections(abfd, link_info) \
3341 BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3343 #define bfd_link_hash_table_create(abfd) \
3344 BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3346 #define bfd_link_add_symbols(abfd, info) \
3347 BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3349 #define bfd_final_link(abfd, info) \
3350 BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3352 #define bfd_free_cached_info(abfd) \
3353 BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3355 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3356 BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3358 #define bfd_print_private_bfd_data(abfd, file)\
3359 BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3361 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3362 BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3364 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3365 BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3367 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3368 BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3370 extern bfd_byte *bfd_get_relocated_section_contents
3371 PARAMS ((bfd *, struct bfd_link_info *,
3372 struct bfd_link_order *, bfd_byte *,
3373 boolean, asymbol **));
3376 bfd_alt_mach_code PARAMS ((bfd *abfd, int index));
3379 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3382 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3385 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3388 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3391 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3394 core_file_matches_executable_p PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3396 #define BFD_SEND(bfd, message, arglist) \
3397 ((*((bfd)->xvec->message)) arglist)
3399 #ifdef DEBUG_BFD_SEND
3401 #define BFD_SEND(bfd, message, arglist) \
3402 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3403 ((*((bfd)->xvec->message)) arglist) : \
3404 (bfd_assert (__FILE__,__LINE__), NULL))
3406 #define BFD_SEND_FMT(bfd, message, arglist) \
3407 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3409 #ifdef DEBUG_BFD_SEND
3411 #define BFD_SEND_FMT(bfd, message, arglist) \
3412 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3413 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3414 (bfd_assert (__FILE__,__LINE__), NULL))
3417 bfd_target_unknown_flavour,
3418 bfd_target_aout_flavour,
3419 bfd_target_coff_flavour,
3420 bfd_target_ecoff_flavour,
3421 bfd_target_xcoff_flavour,
3422 bfd_target_elf_flavour,
3423 bfd_target_ieee_flavour,
3424 bfd_target_nlm_flavour,
3425 bfd_target_oasys_flavour,
3426 bfd_target_tekhex_flavour,
3427 bfd_target_srec_flavour,
3428 bfd_target_ihex_flavour,
3429 bfd_target_som_flavour,
3430 bfd_target_os9k_flavour,
3431 bfd_target_versados_flavour,
3432 bfd_target_msdos_flavour,
3433 bfd_target_ovax_flavour,
3434 bfd_target_evax_flavour
3437 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3439 /* Forward declaration. */
3440 typedef struct bfd_link_info _bfd_link_info;
3442 typedef struct bfd_target
3445 enum bfd_flavour flavour;
3446 enum bfd_endian byteorder;
3447 enum bfd_endian header_byteorder;
3448 flagword object_flags;
3449 flagword section_flags;
3450 char symbol_leading_char;
3452 unsigned short ar_max_namelen;
3453 bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
3454 bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3455 void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3456 bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
3457 bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3458 void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3459 bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
3460 bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3461 void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3462 bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3463 bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3464 void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3465 bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3466 bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3467 void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3468 bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3469 bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3470 void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3471 const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3472 boolean (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3473 boolean (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3475 /* Generic entry points. */
3476 #define BFD_JUMP_TABLE_GENERIC(NAME)\
3477 CAT(NAME,_close_and_cleanup),\
3478 CAT(NAME,_bfd_free_cached_info),\
3479 CAT(NAME,_new_section_hook),\
3480 CAT(NAME,_get_section_contents),\
3481 CAT(NAME,_get_section_contents_in_window)
3483 /* Called when the BFD is being closed to do any necessary cleanup. */
3484 boolean (*_close_and_cleanup) PARAMS ((bfd *));
3485 /* Ask the BFD to free all cached information. */
3486 boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
3487 /* Called when a new section is created. */
3488 boolean (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3489 /* Read the contents of a section. */
3490 boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3491 file_ptr, bfd_size_type));
3492 boolean (*_bfd_get_section_contents_in_window)
3493 PARAMS ((bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type));
3495 /* Entry points to copy private data. */
3496 #define BFD_JUMP_TABLE_COPY(NAME)\
3497 CAT(NAME,_bfd_copy_private_bfd_data),\
3498 CAT(NAME,_bfd_merge_private_bfd_data),\
3499 CAT(NAME,_bfd_copy_private_section_data),\
3500 CAT(NAME,_bfd_copy_private_symbol_data),\
3501 CAT(NAME,_bfd_set_private_flags),\
3502 CAT(NAME,_bfd_print_private_bfd_data)\
3503 /* Called to copy BFD general private data from one object file
3505 boolean (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3506 /* Called to merge BFD general private data from one object file
3507 to a common output file when linking. */
3508 boolean (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3509 /* Called to copy BFD private section data from one object file
3511 boolean (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3513 /* Called to copy BFD private symbol data from one symbol
3515 boolean (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3517 /* Called to set private backend flags */
3518 boolean (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3520 /* Called to print private BFD data */
3521 boolean (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3523 /* Core file entry points. */
3524 #define BFD_JUMP_TABLE_CORE(NAME)\
3525 CAT(NAME,_core_file_failing_command),\
3526 CAT(NAME,_core_file_failing_signal),\
3527 CAT(NAME,_core_file_matches_executable_p)
3528 char * (*_core_file_failing_command) PARAMS ((bfd *));
3529 int (*_core_file_failing_signal) PARAMS ((bfd *));
3530 boolean (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3532 /* Archive entry points. */
3533 #define BFD_JUMP_TABLE_ARCHIVE(NAME)\
3534 CAT(NAME,_slurp_armap),\
3535 CAT(NAME,_slurp_extended_name_table),\
3536 CAT(NAME,_construct_extended_name_table),\
3537 CAT(NAME,_truncate_arname),\
3538 CAT(NAME,_write_armap),\
3539 CAT(NAME,_read_ar_hdr),\
3540 CAT(NAME,_openr_next_archived_file),\
3541 CAT(NAME,_get_elt_at_index),\
3542 CAT(NAME,_generic_stat_arch_elt),\
3543 CAT(NAME,_update_armap_timestamp)
3544 boolean (*_bfd_slurp_armap) PARAMS ((bfd *));
3545 boolean (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3546 boolean (*_bfd_construct_extended_name_table)
3547 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3548 void (*_bfd_truncate_arname) PARAMS ((bfd *, const char *, char *));
3549 boolean (*write_armap)
3550 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
3551 PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3552 bfd * (*openr_next_archived_file) PARAMS ((bfd *, bfd *));
3553 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3554 bfd * (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3555 int (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3556 boolean (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3558 /* Entry points used for symbols. */
3559 #define BFD_JUMP_TABLE_SYMBOLS(NAME)\
3560 CAT(NAME,_get_symtab_upper_bound),\
3561 CAT(NAME,_get_symtab),\
3562 CAT(NAME,_make_empty_symbol),\
3563 CAT(NAME,_print_symbol),\
3564 CAT(NAME,_get_symbol_info),\
3565 CAT(NAME,_bfd_is_local_label_name),\
3566 CAT(NAME,_get_lineno),\
3567 CAT(NAME,_find_nearest_line),\
3568 CAT(NAME,_bfd_make_debug_symbol),\
3569 CAT(NAME,_read_minisymbols),\
3570 CAT(NAME,_minisymbol_to_symbol)
3571 long (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3572 long (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3573 struct symbol_cache_entry **));
3574 struct symbol_cache_entry *
3575 (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3576 void (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3577 struct symbol_cache_entry *,
3578 bfd_print_symbol_type));
3579 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3580 void (*_bfd_get_symbol_info) PARAMS ((bfd *,
3581 struct symbol_cache_entry *,
3583 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3584 boolean (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3586 alent * (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3587 boolean (*_bfd_find_nearest_line)
3588 PARAMS ((bfd *, struct sec *, struct symbol_cache_entry **, bfd_vma,
3589 const char **, const char **, unsigned int *));
3590 /* Back-door to allow format-aware applications to create debug symbols
3591 while using BFD for everything else. Currently used by the assembler
3592 when creating COFF files. */
3593 asymbol *(*_bfd_make_debug_symbol) PARAMS ((bfd *, void *,
3594 unsigned long size));
3595 #define bfd_read_minisymbols(b, d, m, s) \
3596 BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3597 long (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3599 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3600 BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3601 asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3604 /* Routines for relocs. */
3605 #define BFD_JUMP_TABLE_RELOCS(NAME)\
3606 CAT(NAME,_get_reloc_upper_bound),\
3607 CAT(NAME,_canonicalize_reloc),\
3608 CAT(NAME,_bfd_reloc_type_lookup)
3609 long (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3610 long (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3611 struct symbol_cache_entry **));
3612 /* See documentation on reloc types. */
3614 (*reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
3616 /* Routines used when writing an object file. */
3617 #define BFD_JUMP_TABLE_WRITE(NAME)\
3618 CAT(NAME,_set_arch_mach),\
3619 CAT(NAME,_set_section_contents)
3620 boolean (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3622 boolean (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3623 file_ptr, bfd_size_type));
3625 /* Routines used by the linker. */
3626 #define BFD_JUMP_TABLE_LINK(NAME)\
3627 CAT(NAME,_sizeof_headers),\
3628 CAT(NAME,_bfd_get_relocated_section_contents),\
3629 CAT(NAME,_bfd_relax_section),\
3630 CAT(NAME,_bfd_link_hash_table_create),\
3631 CAT(NAME,_bfd_link_add_symbols),\
3632 CAT(NAME,_bfd_final_link),\
3633 CAT(NAME,_bfd_link_split_section),\
3634 CAT(NAME,_bfd_gc_sections),\
3635 CAT(NAME,_bfd_merge_sections)
3636 int (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3637 bfd_byte *(*_bfd_get_relocated_section_contents)
3638 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
3639 bfd_byte *, boolean, struct symbol_cache_entry **));
3641 boolean (*_bfd_relax_section)
3642 PARAMS ((bfd *, struct sec *, struct bfd_link_info *, boolean *));
3644 /* Create a hash table for the linker. Different backends store
3645 different information in this table. */
3646 struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3648 /* Add symbols from this object file into the hash table. */
3649 boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3651 /* Do a link based on the link_order structures attached to each
3652 section of the BFD. */
3653 boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3655 /* Should this section be split up into smaller pieces during linking. */
3656 boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3658 /* Remove sections that are not referenced from the output. */
3659 boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3661 /* Attempt to merge SEC_MERGE sections. */
3662 boolean (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
3664 /* Routines to handle dynamic symbols and relocs. */
3665 #define BFD_JUMP_TABLE_DYNAMIC(NAME)\
3666 CAT(NAME,_get_dynamic_symtab_upper_bound),\
3667 CAT(NAME,_canonicalize_dynamic_symtab),\
3668 CAT(NAME,_get_dynamic_reloc_upper_bound),\
3669 CAT(NAME,_canonicalize_dynamic_reloc)
3670 /* Get the amount of memory required to hold the dynamic symbols. */
3671 long (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3672 /* Read in the dynamic symbols. */
3673 long (*_bfd_canonicalize_dynamic_symtab)
3674 PARAMS ((bfd *, struct symbol_cache_entry **));
3675 /* Get the amount of memory required to hold the dynamic relocs. */
3676 long (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3677 /* Read in the dynamic relocs. */
3678 long (*_bfd_canonicalize_dynamic_reloc)
3679 PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3681 /* Opposite endian version of this target. */
3682 const struct bfd_target * alternative_target;
3688 bfd_set_default_target PARAMS ((const char *name));
3691 bfd_find_target PARAMS ((const char *target_name, bfd *abfd));
3694 bfd_target_list PARAMS ((void));
3697 bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *));
3700 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3703 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3706 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3709 bfd_format_string PARAMS ((bfd_format format));