1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically
2 generated from "bfd-in.h", "init.c", "opncls.c", "libbfd.c" and
4 Run "make headers" in your build bfd/ to regenerate. */
6 /* Main header file for the bfd library -- portable access to object files.
7 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
9 Free Software Foundation, Inc.
10 Contributed by Cygnus Support.
12 This file is part of BFD, the Binary File Descriptor library.
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 #ifndef __BFD_H_SEEN__
29 #define __BFD_H_SEEN__
37 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
39 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
40 The problem is, "32_" is not a valid preprocessing token, and we don't
41 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will
42 cause the inner CONCAT2 macros to be evaluated first, producing
43 still-valid pp-tokens. Then the final concatenation can be done. */
45 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
49 #define BFD_VERSION @bfd_version@
50 #define BFD_VERSION_DATE @bfd_version_date@
51 #define BFD_VERSION_STRING @bfd_version_string@
53 /* The word size used by BFD on the host. This may be 64 with a 32
54 bit target if the host is 64 bit, or if other 64 bit targets have
55 been selected with --enable-targets, or if --enable-64-bit-bfd. */
56 #define BFD_ARCH_SIZE @wordsize@
58 /* The word size of the default bfd target. */
59 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
61 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
62 #if @BFD_HOST_64_BIT_DEFINED@
63 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
64 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
67 #if BFD_ARCH_SIZE >= 64
73 #define INLINE __inline__
79 /* Forward declaration. */
80 typedef struct _bfd bfd
;
82 /* To squelch erroneous compiler warnings ("illegal pointer
83 combination") from the SVR3 compiler, we would like to typedef
84 boolean to int (it doesn't like functions which return boolean.
85 Making sure they are never implicitly declared to return int
86 doesn't seem to help). But this file is not configured based on
88 /* General rules: functions which are boolean return true on success
89 and false on failure (unless they're a predicate). -- bfd.doc */
90 /* I'm sure this is going to break something and someone is going to
91 force me to change it. */
92 /* typedef enum boolean {false, true} boolean; */
93 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */
94 /* It gets worse if the host also defines a true/false enum... -sts */
95 /* And even worse if your compiler has built-in boolean types... -law */
96 /* And even worse if your compiler provides a stdbool.h that conflicts
97 with these definitions... gcc 2.95 and later do. If so, it must
98 be included first. -drow */
99 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
100 #define TRUE_FALSE_ALREADY_DEFINED
102 #if defined (__bool_true_false_are_defined)
103 /* We have <stdbool.h>. */
104 #define TRUE_FALSE_ALREADY_DEFINED
108 /* Pre-emptive strike - get the file with the enum. */
110 #define TRUE_FALSE_ALREADY_DEFINED
112 #ifndef TRUE_FALSE_ALREADY_DEFINED
113 typedef enum bfd_boolean
{false, true} boolean
;
114 #define BFD_TRUE_FALSE
116 /* Use enum names that will appear nowhere else. */
117 typedef enum bfd_boolean
{bfd_fffalse
, bfd_tttrue
} boolean
;
120 /* Support for different sizes of target format ints and addresses.
121 If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
122 set to 1 above. Otherwise, if gcc is being used, this code will
123 use gcc's "long long" type. Otherwise, BFD_HOST_64_BIT must be
126 #ifndef BFD_HOST_64_BIT
127 # if BFD_HOST_64BIT_LONG
128 # define BFD_HOST_64_BIT long
129 # define BFD_HOST_U_64_BIT unsigned long
133 # define BFD_HOST_64_BIT long long
134 # define BFD_HOST_U_64_BIT unsigned long long
135 # endif /* __GNUC__ >= 2 */
136 # endif /* ! defined (__GNUC__) */
137 # endif /* ! BFD_HOST_64BIT_LONG */
138 #endif /* ! defined (BFD_HOST_64_BIT) */
142 #ifndef BFD_HOST_64_BIT
143 #error No 64 bit integer type available
144 #endif /* ! defined (BFD_HOST_64_BIT) */
146 typedef BFD_HOST_U_64_BIT bfd_vma
;
147 typedef BFD_HOST_64_BIT bfd_signed_vma
;
148 typedef BFD_HOST_U_64_BIT bfd_size_type
;
149 typedef BFD_HOST_U_64_BIT symvalue
;
152 #if BFD_HOST_64BIT_LONG
153 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
154 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
156 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
157 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
158 #define fprintf_vma(s,x) \
159 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
160 #define sprintf_vma(s,x) \
161 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
165 #else /* not BFD64 */
167 /* Represent a target address. Also used as a generic unsigned type
168 which is guaranteed to be big enough to hold any arithmetic types
169 we need to deal with. */
170 typedef unsigned long bfd_vma
;
172 /* A generic signed type which is guaranteed to be big enough to hold any
173 arithmetic types we need to deal with. Can be assumed to be compatible
174 with bfd_vma in the same way that signed and unsigned ints are compatible
175 (as parameters, in assignment, etc). */
176 typedef long bfd_signed_vma
;
178 typedef unsigned long symvalue
;
179 typedef unsigned long bfd_size_type
;
181 /* Print a bfd_vma x on stream s. */
182 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
183 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
185 #endif /* not BFD64 */
187 /* A pointer to a position in a file. */
188 /* FIXME: This should be using off_t from <sys/types.h>.
189 For now, try to avoid breaking stuff by not including <sys/types.h> here.
190 This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
191 Probably the best long-term answer is to avoid using file_ptr AND off_t
192 in this header file, and to handle this in the BFD implementation
193 rather than in its interface. */
194 /* typedef off_t file_ptr; */
195 typedef bfd_signed_vma file_ptr
;
196 typedef bfd_vma ufile_ptr
;
198 extern void bfd_sprintf_vma
PARAMS ((bfd
*, char *, bfd_vma
));
199 extern void bfd_fprintf_vma
PARAMS ((bfd
*, PTR
, bfd_vma
));
201 #define printf_vma(x) fprintf_vma(stdout,x)
202 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
204 typedef unsigned int flagword
; /* 32 bits of flags */
205 typedef unsigned char bfd_byte
;
209 typedef enum bfd_format
211 bfd_unknown
= 0, /* File format is unknown. */
212 bfd_object
, /* Linker/assember/compiler output. */
213 bfd_archive
, /* Object archive file. */
214 bfd_core
, /* Core dump. */
215 bfd_type_end
/* Marks the end; don't use it! */
219 /* Values that may appear in the flags field of a BFD. These also
220 appear in the object_flags field of the bfd_target structure, where
221 they indicate the set of flags used by that backend (not all flags
222 are meaningful for all object file formats) (FIXME: at the moment,
223 the object_flags values have mostly just been copied from backend
224 to another, and are not necessarily correct). */
227 #define BFD_NO_FLAGS 0x00
229 /* BFD contains relocation entries. */
230 #define HAS_RELOC 0x01
232 /* BFD is directly executable. */
235 /* BFD has line number information (basically used for F_LNNO in a
237 #define HAS_LINENO 0x04
239 /* BFD has debugging information. */
240 #define HAS_DEBUG 0x08
242 /* BFD has symbols. */
243 #define HAS_SYMS 0x10
245 /* BFD has local symbols (basically used for F_LSYMS in a COFF
247 #define HAS_LOCALS 0x20
249 /* BFD is a dynamic object. */
252 /* Text section is write protected (if D_PAGED is not set, this is
253 like an a.out NMAGIC file) (the linker sets this by default, but
254 clears it for -r or -N). */
257 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
258 linker sets this by default, but clears it for -r or -n or -N). */
259 #define D_PAGED 0x100
261 /* BFD is relaxable (this means that bfd_relax_section may be able to
262 do something) (sometimes bfd_relax_section can do something even if
264 #define BFD_IS_RELAXABLE 0x200
266 /* This may be set before writing out a BFD to request using a
267 traditional format. For example, this is used to request that when
268 writing out an a.out object the symbols not be hashed to eliminate
270 #define BFD_TRADITIONAL_FORMAT 0x400
272 /* This flag indicates that the BFD contents are actually cached in
273 memory. If this is set, iostream points to a bfd_in_memory struct. */
274 #define BFD_IN_MEMORY 0x800
276 /* Symbols and relocation. */
278 /* A count of carsyms (canonical archive symbols). */
279 typedef unsigned long symindex
;
281 /* How to perform a relocation. */
282 typedef const struct reloc_howto_struct reloc_howto_type
;
284 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
286 /* General purpose part of a symbol X;
287 target specific parts are in libcoff.h, libaout.h, etc. */
289 #define bfd_get_section(x) ((x)->section)
290 #define bfd_get_output_section(x) ((x)->section->output_section)
291 #define bfd_set_section(x,y) ((x)->section) = (y)
292 #define bfd_asymbol_base(x) ((x)->section->vma)
293 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
294 #define bfd_asymbol_name(x) ((x)->name)
295 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
296 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
297 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
299 /* A canonical archive symbol. */
300 /* This is a type pun with struct ranlib on purpose! */
301 typedef struct carsym
304 file_ptr file_offset
; /* Look here to find the file. */
306 carsym
; /* To make these you call a carsymogen. */
308 /* Used in generating armaps (archive tables of contents).
309 Perhaps just a forward definition would do? */
310 struct orl
/* Output ranlib. */
312 char **name
; /* Symbol name. */
317 } u
; /* bfd* or file position. */
318 int namidx
; /* Index into string table. */
321 /* Linenumber stuff. */
322 typedef struct lineno_cache_entry
324 unsigned int line_number
; /* Linenumber from start of function. */
327 struct symbol_cache_entry
*sym
; /* Function name. */
328 bfd_vma offset
; /* Offset into section. */
333 /* Object and core file sections. */
335 #define align_power(addr, align) \
336 ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
338 typedef struct sec
*sec_ptr
;
340 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
341 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
342 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
343 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
344 #define bfd_section_name(bfd, ptr) ((ptr)->name)
345 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
346 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
347 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
348 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
349 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
350 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
352 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
354 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = (boolean)true), true)
355 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
356 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
358 typedef struct stat stat_type
;
360 typedef enum bfd_print_symbol
362 bfd_print_symbol_name
,
363 bfd_print_symbol_more
,
365 } bfd_print_symbol_type
;
367 /* Information about a symbol that nm needs. */
369 typedef struct _symbol_info
373 const char *name
; /* Symbol name. */
374 unsigned char stab_type
; /* Stab type. */
375 char stab_other
; /* Stab other. */
376 short stab_desc
; /* Stab desc. */
377 const char *stab_name
; /* String for stab type. */
380 /* Get the name of a stabs type code. */
382 extern const char *bfd_get_stab_name
PARAMS ((int));
384 /* Hash table routines. There is no way to free up a hash table. */
386 /* An element in the hash table. Most uses will actually use a larger
387 structure, and an instance of this will be the first field. */
389 struct bfd_hash_entry
391 /* Next entry for this hash code. */
392 struct bfd_hash_entry
*next
;
393 /* String being hashed. */
395 /* Hash code. This is the full hash code, not the index into the
402 struct bfd_hash_table
404 /* The hash array. */
405 struct bfd_hash_entry
**table
;
406 /* The number of slots in the hash table. */
408 /* A function used to create new elements in the hash table. The
409 first entry is itself a pointer to an element. When this
410 function is first invoked, this pointer will be NULL. However,
411 having the pointer permits a hierarchy of method functions to be
412 built each of which calls the function in the superclass. Thus
413 each function should be written to allocate a new block of memory
414 only if the argument is NULL. */
415 struct bfd_hash_entry
*(*newfunc
) PARAMS ((struct bfd_hash_entry
*,
416 struct bfd_hash_table
*,
418 /* An objalloc for this hash table. This is a struct objalloc *,
419 but we use PTR to avoid requiring the inclusion of objalloc.h. */
423 /* Initialize a hash table. */
424 extern boolean bfd_hash_table_init
425 PARAMS ((struct bfd_hash_table
*,
426 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
427 struct bfd_hash_table
*,
430 /* Initialize a hash table specifying a size. */
431 extern boolean bfd_hash_table_init_n
432 PARAMS ((struct bfd_hash_table
*,
433 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
434 struct bfd_hash_table
*,
438 /* Free up a hash table. */
439 extern void bfd_hash_table_free
PARAMS ((struct bfd_hash_table
*));
441 /* Look up a string in a hash table. If CREATE is true, a new entry
442 will be created for this string if one does not already exist. The
443 COPY argument must be true if this routine should copy the string
444 into newly allocated memory when adding an entry. */
445 extern struct bfd_hash_entry
*bfd_hash_lookup
446 PARAMS ((struct bfd_hash_table
*, const char *, boolean create
,
449 /* Replace an entry in a hash table. */
450 extern void bfd_hash_replace
451 PARAMS ((struct bfd_hash_table
*, struct bfd_hash_entry
*old
,
452 struct bfd_hash_entry
*nw
));
454 /* Base method for creating a hash table entry. */
455 extern struct bfd_hash_entry
*bfd_hash_newfunc
456 PARAMS ((struct bfd_hash_entry
*, struct bfd_hash_table
*,
459 /* Grab some space for a hash table entry. */
460 extern PTR bfd_hash_allocate
PARAMS ((struct bfd_hash_table
*,
463 /* Traverse a hash table in a random order, calling a function on each
464 element. If the function returns false, the traversal stops. The
465 INFO argument is passed to the function. */
466 extern void bfd_hash_traverse
PARAMS ((struct bfd_hash_table
*,
467 boolean (*) (struct bfd_hash_entry
*,
471 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
473 /* User program access to BFD facilities. */
475 /* Direct I/O routines, for programs which know more about the object
476 file than BFD does. Use higher level routines if possible. */
478 extern bfd_size_type bfd_bread
PARAMS ((PTR
, bfd_size_type
, bfd
*));
479 extern bfd_size_type bfd_bwrite
PARAMS ((const PTR
, bfd_size_type
, bfd
*));
480 extern int bfd_seek
PARAMS ((bfd
*, file_ptr
, int));
481 extern ufile_ptr bfd_tell
PARAMS ((bfd
*));
482 extern int bfd_flush
PARAMS ((bfd
*));
483 extern int bfd_stat
PARAMS ((bfd
*, struct stat
*));
485 /* Deprecated old routines. */
487 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
488 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
489 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
490 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
491 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
492 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
494 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
495 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
496 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
497 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
498 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
499 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
501 extern void warn_deprecated
502 PARAMS ((const char *, const char *, int, const char *));
504 /* Cast from const char * to char * so that caller can assign to
505 a char * without a warning. */
506 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
507 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
508 #define bfd_get_format(abfd) ((abfd)->format)
509 #define bfd_get_target(abfd) ((abfd)->xvec->name)
510 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
511 #define bfd_family_coff(abfd) \
512 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
513 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
514 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
515 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
516 #define bfd_header_big_endian(abfd) \
517 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
518 #define bfd_header_little_endian(abfd) \
519 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
520 #define bfd_get_file_flags(abfd) ((abfd)->flags)
521 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
522 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
523 #define bfd_my_archive(abfd) ((abfd)->my_archive)
524 #define bfd_has_map(abfd) ((abfd)->has_armap)
526 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
527 #define bfd_usrdata(abfd) ((abfd)->usrdata)
529 #define bfd_get_start_address(abfd) ((abfd)->start_address)
530 #define bfd_get_symcount(abfd) ((abfd)->symcount)
531 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
532 #define bfd_count_sections(abfd) ((abfd)->section_count)
534 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
536 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
538 extern boolean bfd_cache_close
PARAMS ((bfd
*abfd
));
539 /* NB: This declaration should match the autogenerated one in libbfd.h. */
541 extern boolean bfd_record_phdr
542 PARAMS ((bfd
*, unsigned long, boolean
, flagword
, boolean
, bfd_vma
,
543 boolean
, boolean
, unsigned int, struct sec
**));
545 /* Byte swapping routines. */
547 bfd_vma bfd_getb64
PARAMS ((const unsigned char *));
548 bfd_vma bfd_getl64
PARAMS ((const unsigned char *));
549 bfd_signed_vma bfd_getb_signed_64
PARAMS ((const unsigned char *));
550 bfd_signed_vma bfd_getl_signed_64
PARAMS ((const unsigned char *));
551 bfd_vma bfd_getb32
PARAMS ((const unsigned char *));
552 bfd_vma bfd_getl32
PARAMS ((const unsigned char *));
553 bfd_signed_vma bfd_getb_signed_32
PARAMS ((const unsigned char *));
554 bfd_signed_vma bfd_getl_signed_32
PARAMS ((const unsigned char *));
555 bfd_vma bfd_getb16
PARAMS ((const unsigned char *));
556 bfd_vma bfd_getl16
PARAMS ((const unsigned char *));
557 bfd_signed_vma bfd_getb_signed_16
PARAMS ((const unsigned char *));
558 bfd_signed_vma bfd_getl_signed_16
PARAMS ((const unsigned char *));
559 void bfd_putb64
PARAMS ((bfd_vma
, unsigned char *));
560 void bfd_putl64
PARAMS ((bfd_vma
, unsigned char *));
561 void bfd_putb32
PARAMS ((bfd_vma
, unsigned char *));
562 void bfd_putl32
PARAMS ((bfd_vma
, unsigned char *));
563 void bfd_putb16
PARAMS ((bfd_vma
, unsigned char *));
564 void bfd_putl16
PARAMS ((bfd_vma
, unsigned char *));
566 /* Byte swapping routines which take size and endiannes as arguments. */
568 bfd_vma bfd_get_bits
PARAMS ((bfd_byte
*, int, boolean
));
569 void bfd_put_bits
PARAMS ((bfd_vma
, bfd_byte
*, int, boolean
));
571 /* Externally visible ECOFF routines. */
573 #if defined(__STDC__) || defined(ALMOST_STDC)
574 struct ecoff_debug_info
;
575 struct ecoff_debug_swap
;
577 struct symbol_cache_entry
;
578 struct bfd_link_info
;
579 struct bfd_link_hash_entry
;
580 struct bfd_elf_version_tree
;
582 extern bfd_vma bfd_ecoff_get_gp_value
PARAMS ((bfd
* abfd
));
583 extern boolean bfd_ecoff_set_gp_value
PARAMS ((bfd
*abfd
, bfd_vma gp_value
));
584 extern boolean bfd_ecoff_set_regmasks
585 PARAMS ((bfd
*abfd
, unsigned long gprmask
, unsigned long fprmask
,
586 unsigned long *cprmask
));
587 extern PTR bfd_ecoff_debug_init
588 PARAMS ((bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
589 const struct ecoff_debug_swap
*output_swap
,
590 struct bfd_link_info
*));
591 extern void bfd_ecoff_debug_free
592 PARAMS ((PTR handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
593 const struct ecoff_debug_swap
*output_swap
,
594 struct bfd_link_info
*));
595 extern boolean bfd_ecoff_debug_accumulate
596 PARAMS ((PTR handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
597 const struct ecoff_debug_swap
*output_swap
,
598 bfd
*input_bfd
, struct ecoff_debug_info
*input_debug
,
599 const struct ecoff_debug_swap
*input_swap
,
600 struct bfd_link_info
*));
601 extern boolean bfd_ecoff_debug_accumulate_other
602 PARAMS ((PTR handle
, bfd
*output_bfd
, struct ecoff_debug_info
*output_debug
,
603 const struct ecoff_debug_swap
*output_swap
, bfd
*input_bfd
,
604 struct bfd_link_info
*));
605 extern boolean bfd_ecoff_debug_externals
606 PARAMS ((bfd
*abfd
, struct ecoff_debug_info
*debug
,
607 const struct ecoff_debug_swap
*swap
,
608 boolean relocateable
,
609 boolean (*get_extr
) (struct symbol_cache_entry
*,
610 struct ecoff_extr
*),
611 void (*set_index
) (struct symbol_cache_entry
*,
613 extern boolean bfd_ecoff_debug_one_external
614 PARAMS ((bfd
*abfd
, struct ecoff_debug_info
*debug
,
615 const struct ecoff_debug_swap
*swap
,
616 const char *name
, struct ecoff_extr
*esym
));
617 extern bfd_size_type bfd_ecoff_debug_size
618 PARAMS ((bfd
*abfd
, struct ecoff_debug_info
*debug
,
619 const struct ecoff_debug_swap
*swap
));
620 extern boolean bfd_ecoff_write_debug
621 PARAMS ((bfd
*abfd
, struct ecoff_debug_info
*debug
,
622 const struct ecoff_debug_swap
*swap
, file_ptr where
));
623 extern boolean bfd_ecoff_write_accumulated_debug
624 PARAMS ((PTR handle
, bfd
*abfd
, struct ecoff_debug_info
*debug
,
625 const struct ecoff_debug_swap
*swap
,
626 struct bfd_link_info
*info
, file_ptr where
));
627 extern boolean bfd_mips_ecoff_create_embedded_relocs
628 PARAMS ((bfd
*, struct bfd_link_info
*, struct sec
*, struct sec
*,
631 /* Externally visible ELF routines. */
633 struct bfd_link_needed_list
635 struct bfd_link_needed_list
*next
;
640 extern boolean bfd_elf32_record_link_assignment
641 PARAMS ((bfd
*, struct bfd_link_info
*, const char *, boolean
));
642 extern boolean bfd_elf64_record_link_assignment
643 PARAMS ((bfd
*, struct bfd_link_info
*, const char *, boolean
));
644 extern struct bfd_link_needed_list
*bfd_elf_get_needed_list
645 PARAMS ((bfd
*, struct bfd_link_info
*));
646 extern boolean bfd_elf_get_bfd_needed_list
647 PARAMS ((bfd
*, struct bfd_link_needed_list
**));
648 extern boolean bfd_elf32_size_dynamic_sections
649 PARAMS ((bfd
*, const char *, const char *, const char *,
650 const char * const *, struct bfd_link_info
*, struct sec
**,
651 struct bfd_elf_version_tree
*));
652 extern boolean bfd_elf64_size_dynamic_sections
653 PARAMS ((bfd
*, const char *, const char *, const char *,
654 const char * const *, struct bfd_link_info
*, struct sec
**,
655 struct bfd_elf_version_tree
*));
656 extern void bfd_elf_set_dt_needed_name
PARAMS ((bfd
*, const char *));
657 extern void bfd_elf_set_dt_needed_soname
PARAMS ((bfd
*, const char *));
658 extern const char *bfd_elf_get_dt_soname
PARAMS ((bfd
*));
659 extern struct bfd_link_needed_list
*bfd_elf_get_runpath_list
660 PARAMS ((bfd
*, struct bfd_link_info
*));
661 extern boolean bfd_elf32_discard_info
662 PARAMS ((bfd
*, struct bfd_link_info
*));
663 extern boolean bfd_elf64_discard_info
664 PARAMS ((bfd
*, struct bfd_link_info
*));
666 /* Return an upper bound on the number of bytes required to store a
667 copy of ABFD's program header table entries. Return -1 if an error
668 occurs; bfd_get_error will return an appropriate code. */
669 extern long bfd_get_elf_phdr_upper_bound
PARAMS ((bfd
*abfd
));
671 /* Copy ABFD's program header table entries to *PHDRS. The entries
672 will be stored as an array of Elf_Internal_Phdr structures, as
673 defined in include/elf/internal.h. To find out how large the
674 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
676 Return the number of program header table entries read, or -1 if an
677 error occurs; bfd_get_error will return an appropriate code. */
678 extern int bfd_get_elf_phdrs
PARAMS ((bfd
*abfd
, void *phdrs
));
680 /* Return the arch_size field of an elf bfd, or -1 if not elf. */
681 extern int bfd_get_arch_size
PARAMS ((bfd
*));
683 /* Return true if address "naturally" sign extends, or -1 if not elf. */
684 extern int bfd_get_sign_extend_vma
PARAMS ((bfd
*));
686 extern boolean bfd_m68k_elf32_create_embedded_relocs
687 PARAMS ((bfd
*, struct bfd_link_info
*, struct sec
*, struct sec
*,
689 extern boolean bfd_mips_elf32_create_embedded_relocs
690 PARAMS ((bfd
*, struct bfd_link_info
*, struct sec
*, struct sec
*,
693 /* SunOS shared library support routines for the linker. */
695 extern struct bfd_link_needed_list
*bfd_sunos_get_needed_list
696 PARAMS ((bfd
*, struct bfd_link_info
*));
697 extern boolean bfd_sunos_record_link_assignment
698 PARAMS ((bfd
*, struct bfd_link_info
*, const char *));
699 extern boolean bfd_sunos_size_dynamic_sections
700 PARAMS ((bfd
*, struct bfd_link_info
*, struct sec
**, struct sec
**,
703 /* Linux shared library support routines for the linker. */
705 extern boolean bfd_i386linux_size_dynamic_sections
706 PARAMS ((bfd
*, struct bfd_link_info
*));
707 extern boolean bfd_m68klinux_size_dynamic_sections
708 PARAMS ((bfd
*, struct bfd_link_info
*));
709 extern boolean bfd_sparclinux_size_dynamic_sections
710 PARAMS ((bfd
*, struct bfd_link_info
*));
714 struct _bfd_window_internal
;
715 typedef struct _bfd_window_internal bfd_window_internal
;
717 typedef struct _bfd_window
719 /* What the user asked for. */
722 /* The actual window used by BFD. Small user-requested read-only
723 regions sharing a page may share a single window into the object
724 file. Read-write versions shouldn't until I've fixed things to
725 keep track of which portions have been claimed by the
726 application; don't want to give the same region back when the
727 application wants two writable copies! */
728 struct _bfd_window_internal
*i
;
732 extern void bfd_init_window
PARAMS ((bfd_window
*));
733 extern void bfd_free_window
PARAMS ((bfd_window
*));
734 extern boolean bfd_get_file_window
735 PARAMS ((bfd
*, file_ptr
, bfd_size_type
, bfd_window
*, boolean
));
737 /* XCOFF support routines for the linker. */
739 extern boolean bfd_xcoff_link_record_set
740 PARAMS ((bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*,
742 extern boolean bfd_xcoff_import_symbol
743 PARAMS ((bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*,
744 bfd_vma
, const char *, const char *, const char *, unsigned int));
745 extern boolean bfd_xcoff_export_symbol
746 PARAMS ((bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*));
747 extern boolean bfd_xcoff_link_count_reloc
748 PARAMS ((bfd
*, struct bfd_link_info
*, const char *));
749 extern boolean bfd_xcoff_record_link_assignment
750 PARAMS ((bfd
*, struct bfd_link_info
*, const char *));
751 extern boolean bfd_xcoff_size_dynamic_sections
752 PARAMS ((bfd
*, struct bfd_link_info
*, const char *, const char *,
753 unsigned long, unsigned long, unsigned long, boolean
,
754 int, boolean
, boolean
, struct sec
**, boolean
));
755 extern boolean bfd_xcoff_link_generate_rtinit
756 PARAMS ((bfd
*, const char *, const char *, boolean
));
758 /* XCOFF support routines for ar. */
759 extern boolean bfd_xcoff_ar_archive_set_magic
PARAMS ((bfd
*, char *));
761 /* Externally visible COFF routines. */
763 #if defined(__STDC__) || defined(ALMOST_STDC)
764 struct internal_syment
;
765 union internal_auxent
;
768 extern boolean bfd_coff_get_syment
769 PARAMS ((bfd
*, struct symbol_cache_entry
*, struct internal_syment
*));
771 extern boolean bfd_coff_get_auxent
772 PARAMS ((bfd
*, struct symbol_cache_entry
*, int, union internal_auxent
*));
774 extern boolean bfd_coff_set_symbol_class
775 PARAMS ((bfd
*, struct symbol_cache_entry
*, unsigned int));
777 extern boolean bfd_m68k_coff_create_embedded_relocs
778 PARAMS ((bfd
*, struct bfd_link_info
*, struct sec
*, struct sec
*,
781 /* ARM Interworking support. Called from linker. */
782 extern boolean bfd_arm_allocate_interworking_sections
783 PARAMS ((struct bfd_link_info
*));
785 extern boolean bfd_arm_process_before_allocation
786 PARAMS ((bfd
*, struct bfd_link_info
*, int));
788 extern boolean bfd_arm_get_bfd_for_interworking
789 PARAMS ((bfd
*, struct bfd_link_info
*));
791 /* PE ARM Interworking support. Called from linker. */
792 extern boolean bfd_arm_pe_allocate_interworking_sections
793 PARAMS ((struct bfd_link_info
*));
795 extern boolean bfd_arm_pe_process_before_allocation
796 PARAMS ((bfd
*, struct bfd_link_info
*, int));
798 extern boolean bfd_arm_pe_get_bfd_for_interworking
799 PARAMS ((bfd
*, struct bfd_link_info
*));
801 /* ELF ARM Interworking support. Called from linker. */
802 extern boolean bfd_elf32_arm_allocate_interworking_sections
803 PARAMS ((struct bfd_link_info
*));
805 extern boolean bfd_elf32_arm_process_before_allocation
806 PARAMS ((bfd
*, struct bfd_link_info
*, int));
808 extern boolean bfd_elf32_arm_get_bfd_for_interworking
809 PARAMS ((bfd
*, struct bfd_link_info
*));
811 extern boolean bfd_elf32_arm_add_glue_sections_to_bfd
812 PARAMS ((bfd
*, struct bfd_link_info
*));
814 /* TI COFF load page support. */
815 extern void bfd_ticoff_set_section_load_page
816 PARAMS ((struct sec
*, int));
818 extern int bfd_ticoff_get_section_load_page
819 PARAMS ((struct sec
*));
821 /* And more from the source. */
823 bfd_init
PARAMS ((void));
826 bfd_openr
PARAMS ((const char *filename
, const char *target
));
829 bfd_fdopenr
PARAMS ((const char *filename
, const char *target
, int fd
));
832 bfd_openstreamr
PARAMS ((const char *, const char *, PTR
));
835 bfd_openw
PARAMS ((const char *filename
, const char *target
));
838 bfd_close
PARAMS ((bfd
*abfd
));
841 bfd_close_all_done
PARAMS ((bfd
*));
844 bfd_create
PARAMS ((const char *filename
, bfd
*templ
));
847 bfd_make_writable
PARAMS ((bfd
*abfd
));
850 bfd_make_readable
PARAMS ((bfd
*abfd
));
853 /* Byte swapping macros for user section data. */
855 #define bfd_put_8(abfd, val, ptr) \
856 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
857 #define bfd_put_signed_8 \
859 #define bfd_get_8(abfd, ptr) \
860 (*(unsigned char *) (ptr) & 0xff)
861 #define bfd_get_signed_8(abfd, ptr) \
862 (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
864 #define bfd_put_16(abfd, val, ptr) \
865 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
866 #define bfd_put_signed_16 \
868 #define bfd_get_16(abfd, ptr) \
869 BFD_SEND(abfd, bfd_getx16, (ptr))
870 #define bfd_get_signed_16(abfd, ptr) \
871 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
873 #define bfd_put_32(abfd, val, ptr) \
874 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
875 #define bfd_put_signed_32 \
877 #define bfd_get_32(abfd, ptr) \
878 BFD_SEND(abfd, bfd_getx32, (ptr))
879 #define bfd_get_signed_32(abfd, ptr) \
880 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
882 #define bfd_put_64(abfd, val, ptr) \
883 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
884 #define bfd_put_signed_64 \
886 #define bfd_get_64(abfd, ptr) \
887 BFD_SEND(abfd, bfd_getx64, (ptr))
888 #define bfd_get_signed_64(abfd, ptr) \
889 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
891 #define bfd_get(bits, abfd, ptr) \
892 ( (bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \
893 : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
894 : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
895 : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
896 : (abort (), (bfd_vma) - 1))
898 #define bfd_put(bits, abfd, val, ptr) \
899 ( (bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
900 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
901 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
902 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
903 : (abort (), (void) 0))
906 /* Byte swapping macros for file header data. */
908 #define bfd_h_put_8(abfd, val, ptr) \
909 bfd_put_8 (abfd, val, ptr)
910 #define bfd_h_put_signed_8(abfd, val, ptr) \
911 bfd_put_8 (abfd, val, ptr)
912 #define bfd_h_get_8(abfd, ptr) \
913 bfd_get_8 (abfd, ptr)
914 #define bfd_h_get_signed_8(abfd, ptr) \
915 bfd_get_signed_8 (abfd, ptr)
917 #define bfd_h_put_16(abfd, val, ptr) \
918 BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
919 #define bfd_h_put_signed_16 \
921 #define bfd_h_get_16(abfd, ptr) \
922 BFD_SEND (abfd, bfd_h_getx16, (ptr))
923 #define bfd_h_get_signed_16(abfd, ptr) \
924 BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
926 #define bfd_h_put_32(abfd, val, ptr) \
927 BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
928 #define bfd_h_put_signed_32 \
930 #define bfd_h_get_32(abfd, ptr) \
931 BFD_SEND (abfd, bfd_h_getx32, (ptr))
932 #define bfd_h_get_signed_32(abfd, ptr) \
933 BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
935 #define bfd_h_put_64(abfd, val, ptr) \
936 BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
937 #define bfd_h_put_signed_64 \
939 #define bfd_h_get_64(abfd, ptr) \
940 BFD_SEND (abfd, bfd_h_getx64, (ptr))
941 #define bfd_h_get_signed_64(abfd, ptr) \
942 BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
944 /* Refinements on the above, which should eventually go away. Save
945 cluttering the source with (bfd_vma) and (bfd_byte *) casts. */
947 #define H_PUT_64(abfd, val, where) \
948 bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
950 #define H_PUT_32(abfd, val, where) \
951 bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
953 #define H_PUT_16(abfd, val, where) \
954 bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
956 #define H_PUT_8 bfd_h_put_8
958 #define H_PUT_S64(abfd, val, where) \
959 bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
961 #define H_PUT_S32(abfd, val, where) \
962 bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
964 #define H_PUT_S16(abfd, val, where) \
965 bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
967 #define H_PUT_S8 bfd_h_put_signed_8
969 #define H_GET_64(abfd, where) \
970 bfd_h_get_64 ((abfd), (bfd_byte *) (where))
972 #define H_GET_32(abfd, where) \
973 bfd_h_get_32 ((abfd), (bfd_byte *) (where))
975 #define H_GET_16(abfd, where) \
976 bfd_h_get_16 ((abfd), (bfd_byte *) (where))
978 #define H_GET_8 bfd_h_get_8
980 #define H_GET_S64(abfd, where) \
981 bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
983 #define H_GET_S32(abfd, where) \
984 bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
986 #define H_GET_S16(abfd, where) \
987 bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
989 #define H_GET_S8 bfd_h_get_signed_8
992 /* This structure is used for a comdat section, as in PE. A comdat
993 section is associated with a particular symbol. When the linker
994 sees a comdat section, it keeps only one of the sections with a
995 given name and associated with a given symbol. */
997 struct bfd_comdat_info
999 /* The name of the symbol associated with a comdat section. */
1002 /* The local symbol table index of the symbol associated with a
1003 comdat section. This is only meaningful to the object file format
1004 specific code; it is not an index into the list returned by
1005 bfd_canonicalize_symtab. */
1011 /* The name of the section; the name isn't a copy, the pointer is
1012 the same as that passed to bfd_make_section. */
1015 /* A unique sequence number. */
1018 /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */
1021 /* The next section in the list belonging to the BFD, or NULL. */
1024 /* The field flags contains attributes of the section. Some
1025 flags are read in from the object file, and some are
1026 synthesized from other information. */
1029 #define SEC_NO_FLAGS 0x000
1031 /* Tells the OS to allocate space for this section when loading.
1032 This is clear for a section containing debug information only. */
1033 #define SEC_ALLOC 0x001
1035 /* Tells the OS to load the section from the file when loading.
1036 This is clear for a .bss section. */
1037 #define SEC_LOAD 0x002
1039 /* The section contains data still to be relocated, so there is
1040 some relocation information too. */
1041 #define SEC_RELOC 0x004
1043 /* ELF reserves 4 processor specific bits and 8 operating system
1044 specific bits in sh_flags; at present we can get away with just
1045 one in communicating between the assembler and BFD, but this
1046 isn't a good long-term solution. */
1047 #define SEC_ARCH_BIT_0 0x008
1049 /* A signal to the OS that the section contains read only data. */
1050 #define SEC_READONLY 0x010
1052 /* The section contains code only. */
1053 #define SEC_CODE 0x020
1055 /* The section contains data only. */
1056 #define SEC_DATA 0x040
1058 /* The section will reside in ROM. */
1059 #define SEC_ROM 0x080
1061 /* The section contains constructor information. This section
1062 type is used by the linker to create lists of constructors and
1063 destructors used by <<g++>>. When a back end sees a symbol
1064 which should be used in a constructor list, it creates a new
1065 section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1066 the symbol to it, and builds a relocation. To build the lists
1067 of constructors, all the linker has to do is catenate all the
1068 sections called <<__CTOR_LIST__>> and relocate the data
1069 contained within - exactly the operations it would peform on
1071 #define SEC_CONSTRUCTOR 0x100
1073 /* The section has contents - a data section could be
1074 <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1075 <<SEC_HAS_CONTENTS>> */
1076 #define SEC_HAS_CONTENTS 0x200
1078 /* An instruction to the linker to not output the section
1079 even if it has information which would normally be written. */
1080 #define SEC_NEVER_LOAD 0x400
1082 /* The section is a COFF shared library section. This flag is
1083 only for the linker. If this type of section appears in
1084 the input file, the linker must copy it to the output file
1085 without changing the vma or size. FIXME: Although this
1086 was originally intended to be general, it really is COFF
1087 specific (and the flag was renamed to indicate this). It
1088 might be cleaner to have some more general mechanism to
1089 allow the back end to control what the linker does with
1091 #define SEC_COFF_SHARED_LIBRARY 0x800
1093 /* The section contains thread local data. */
1094 #define SEC_THREAD_LOCAL 0x1000
1096 /* The section has GOT references. This flag is only for the
1097 linker, and is currently only used by the elf32-hppa back end.
1098 It will be set if global offset table references were detected
1099 in this section, which indicate to the linker that the section
1100 contains PIC code, and must be handled specially when doing a
1102 #define SEC_HAS_GOT_REF 0x4000
1104 /* The section contains common symbols (symbols may be defined
1105 multiple times, the value of a symbol is the amount of
1106 space it requires, and the largest symbol value is the one
1107 used). Most targets have exactly one of these (which we
1108 translate to bfd_com_section_ptr), but ECOFF has two. */
1109 #define SEC_IS_COMMON 0x8000
1111 /* The section contains only debugging information. For
1112 example, this is set for ELF .debug and .stab sections.
1113 strip tests this flag to see if a section can be
1115 #define SEC_DEBUGGING 0x10000
1117 /* The contents of this section are held in memory pointed to
1118 by the contents field. This is checked by bfd_get_section_contents,
1119 and the data is retrieved from memory if appropriate. */
1120 #define SEC_IN_MEMORY 0x20000
1122 /* The contents of this section are to be excluded by the
1123 linker for executable and shared objects unless those
1124 objects are to be further relocated. */
1125 #define SEC_EXCLUDE 0x40000
1127 /* The contents of this section are to be sorted based on the sum of
1128 the symbol and addend values specified by the associated relocation
1129 entries. Entries without associated relocation entries will be
1130 appended to the end of the section in an unspecified order. */
1131 #define SEC_SORT_ENTRIES 0x80000
1133 /* When linking, duplicate sections of the same name should be
1134 discarded, rather than being combined into a single section as
1135 is usually done. This is similar to how common symbols are
1136 handled. See SEC_LINK_DUPLICATES below. */
1137 #define SEC_LINK_ONCE 0x100000
1139 /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1140 should handle duplicate sections. */
1141 #define SEC_LINK_DUPLICATES 0x600000
1143 /* This value for SEC_LINK_DUPLICATES means that duplicate
1144 sections with the same name should simply be discarded. */
1145 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1147 /* This value for SEC_LINK_DUPLICATES means that the linker
1148 should warn if there are any duplicate sections, although
1149 it should still only link one copy. */
1150 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1152 /* This value for SEC_LINK_DUPLICATES means that the linker
1153 should warn if any duplicate sections are a different size. */
1154 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1156 /* This value for SEC_LINK_DUPLICATES means that the linker
1157 should warn if any duplicate sections contain different
1159 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1161 /* This section was created by the linker as part of dynamic
1162 relocation or other arcane processing. It is skipped when
1163 going through the first-pass output, trusting that someone
1164 else up the line will take care of it later. */
1165 #define SEC_LINKER_CREATED 0x800000
1167 /* This section should not be subject to garbage collection. */
1168 #define SEC_KEEP 0x1000000
1170 /* This section contains "short" data, and should be placed
1172 #define SEC_SMALL_DATA 0x2000000
1174 /* This section contains data which may be shared with other
1175 executables or shared objects. */
1176 #define SEC_SHARED 0x4000000
1178 /* When a section with this flag is being linked, then if the size of
1179 the input section is less than a page, it should not cross a page
1180 boundary. If the size of the input section is one page or more, it
1181 should be aligned on a page boundary. */
1182 #define SEC_BLOCK 0x8000000
1184 /* Conditionally link this section; do not link if there are no
1185 references found to any symbol in the section. */
1186 #define SEC_CLINK 0x10000000
1188 /* Attempt to merge identical entities in the section.
1189 Entity size is given in the entsize field. */
1190 #define SEC_MERGE 0x20000000
1192 /* If given with SEC_MERGE, entities to merge are zero terminated
1193 strings where entsize specifies character size instead of fixed
1195 #define SEC_STRINGS 0x40000000
1197 /* This section contains data about section groups. */
1198 #define SEC_GROUP 0x80000000
1200 /* End of section flags. */
1202 /* Some internal packed boolean fields. */
1204 /* See the vma field. */
1205 unsigned int user_set_vma
: 1;
1207 /* Whether relocations have been processed. */
1208 unsigned int reloc_done
: 1;
1210 /* A mark flag used by some of the linker backends. */
1211 unsigned int linker_mark
: 1;
1213 /* Another mark flag used by some of the linker backends. Set for
1214 output sections that have an input section. */
1215 unsigned int linker_has_input
: 1;
1217 /* A mark flag used by some linker backends for garbage collection. */
1218 unsigned int gc_mark
: 1;
1220 /* Used by the ELF code to mark sections which have been allocated
1222 unsigned int segment_mark
: 1;
1224 /* End of internal packed boolean fields. */
1226 /* The virtual memory address of the section - where it will be
1227 at run time. The symbols are relocated against this. The
1228 user_set_vma flag is maintained by bfd; if it's not set, the
1229 backend can assign addresses (for example, in <<a.out>>, where
1230 the default address for <<.data>> is dependent on the specific
1231 target and various flags). */
1234 /* The load address of the section - where it would be in a
1235 rom image; really only used for writing section header
1239 /* The size of the section in octets, as it will be output.
1240 Contains a value even if the section has no contents (e.g., the
1241 size of <<.bss>>). This will be filled in after relocation. */
1242 bfd_size_type _cooked_size
;
1244 /* The original size on disk of the section, in octets. Normally this
1245 value is the same as the size, but if some relaxing has
1246 been done, then this value will be bigger. */
1247 bfd_size_type _raw_size
;
1249 /* If this section is going to be output, then this value is the
1250 offset in *bytes* into the output section of the first byte in the
1251 input section (byte ==> smallest addressable unit on the
1252 target). In most cases, if this was going to start at the
1253 100th octet (8-bit quantity) in the output section, this value
1254 would be 100. However, if the target byte size is 16 bits
1255 (bfd_octets_per_byte is "2"), this value would be 50. */
1256 bfd_vma output_offset
;
1258 /* The output section through which to map on output. */
1259 struct sec
*output_section
;
1261 /* The alignment requirement of the section, as an exponent of 2 -
1262 e.g., 3 aligns to 2^3 (or 8). */
1263 unsigned int alignment_power
;
1265 /* If an input section, a pointer to a vector of relocation
1266 records for the data in this section. */
1267 struct reloc_cache_entry
*relocation
;
1269 /* If an output section, a pointer to a vector of pointers to
1270 relocation records for the data in this section. */
1271 struct reloc_cache_entry
**orelocation
;
1273 /* The number of relocation records in one of the above. */
1274 unsigned reloc_count
;
1276 /* Information below is back end specific - and not always used
1279 /* File position of section data. */
1282 /* File position of relocation info. */
1283 file_ptr rel_filepos
;
1285 /* File position of line data. */
1286 file_ptr line_filepos
;
1288 /* Pointer to data for applications. */
1291 /* If the SEC_IN_MEMORY flag is set, this points to the actual
1293 unsigned char *contents
;
1295 /* Attached line number information. */
1298 /* Number of line number records. */
1299 unsigned int lineno_count
;
1301 /* Entity size for merging purposes. */
1302 unsigned int entsize
;
1304 /* Optional information about a COMDAT entry; NULL if not COMDAT. */
1305 struct bfd_comdat_info
*comdat
;
1307 /* When a section is being output, this value changes as more
1308 linenumbers are written out. */
1309 file_ptr moving_line_filepos
;
1311 /* 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. */
1318 struct relent_chain
*constructor_chain
;
1320 /* The BFD which owns the section. */
1323 /* A symbol which points at this section only. */
1324 struct symbol_cache_entry
*symbol
;
1325 struct symbol_cache_entry
**symbol_ptr_ptr
;
1327 struct bfd_link_order
*link_order_head
;
1328 struct bfd_link_order
*link_order_tail
;
1331 /* These sections are global, and are managed by BFD. The application
1332 and target back end are not permitted to change the values in
1333 these sections. New code should use the section_ptr macros rather
1334 than referring directly to the const sections. The const sections
1335 may eventually vanish. */
1336 #define BFD_ABS_SECTION_NAME "*ABS*"
1337 #define BFD_UND_SECTION_NAME "*UND*"
1338 #define BFD_COM_SECTION_NAME "*COM*"
1339 #define BFD_IND_SECTION_NAME "*IND*"
1341 /* The absolute section. */
1342 extern const asection bfd_abs_section
;
1343 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1344 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1345 /* Pointer to the undefined section. */
1346 extern const asection bfd_und_section
;
1347 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1348 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1349 /* Pointer to the common section. */
1350 extern const asection bfd_com_section
;
1351 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1352 /* Pointer to the indirect section. */
1353 extern const asection bfd_ind_section
;
1354 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1355 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1357 #define bfd_is_const_section(SEC) \
1358 ( ((SEC) == bfd_abs_section_ptr) \
1359 || ((SEC) == bfd_und_section_ptr) \
1360 || ((SEC) == bfd_com_section_ptr) \
1361 || ((SEC) == bfd_ind_section_ptr))
1363 extern const struct symbol_cache_entry
* const bfd_abs_symbol
;
1364 extern const struct symbol_cache_entry
* const bfd_com_symbol
;
1365 extern const struct symbol_cache_entry
* const bfd_und_symbol
;
1366 extern const struct symbol_cache_entry
* const bfd_ind_symbol
;
1367 #define bfd_get_section_size_before_reloc(section) \
1368 ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1369 : (section)->_raw_size)
1370 #define bfd_get_section_size_after_reloc(section) \
1371 ((section)->reloc_done ? (section)->_cooked_size \
1372 : (abort (), (bfd_size_type) 1))
1374 /* Macros to handle insertion and deletion of a bfd's sections. These
1375 only handle the list pointers, ie. do not adjust section_count,
1376 target_index etc. */
1377 #define bfd_section_list_remove(ABFD, PS) \
1380 asection **_ps = PS; \
1381 asection *_s = *_ps; \
1383 if (_s->next == NULL) \
1384 (ABFD)->section_tail = _ps; \
1387 #define bfd_section_list_insert(ABFD, PS, S) \
1390 asection **_ps = PS; \
1394 if (_s->next == NULL) \
1395 (ABFD)->section_tail = &_s->next; \
1400 bfd_section_list_clear
PARAMS ((bfd
*));
1403 bfd_get_section_by_name
PARAMS ((bfd
*abfd
, const char *name
));
1406 bfd_get_unique_section_name
PARAMS ((bfd
*abfd
,
1407 const char *templat
,
1411 bfd_make_section_old_way
PARAMS ((bfd
*abfd
, const char *name
));
1414 bfd_make_section_anyway
PARAMS ((bfd
*abfd
, const char *name
));
1417 bfd_make_section
PARAMS ((bfd
*, const char *name
));
1420 bfd_set_section_flags
PARAMS ((bfd
*abfd
, asection
*sec
, flagword flags
));
1423 bfd_map_over_sections
PARAMS ((bfd
*abfd
,
1424 void (*func
) (bfd
*abfd
,
1430 bfd_set_section_size
PARAMS ((bfd
*abfd
, asection
*sec
, bfd_size_type val
));
1433 bfd_set_section_contents
PARAMS ((bfd
*abfd
, asection
*section
,
1434 PTR data
, file_ptr offset
,
1435 bfd_size_type count
));
1438 bfd_get_section_contents
PARAMS ((bfd
*abfd
, asection
*section
,
1439 PTR location
, file_ptr offset
,
1440 bfd_size_type count
));
1443 bfd_copy_private_section_data
PARAMS ((bfd
*ibfd
, asection
*isec
,
1444 bfd
*obfd
, asection
*osec
));
1446 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1447 BFD_SEND (obfd, _bfd_copy_private_section_data, \
1448 (ibfd, isection, obfd, osection))
1450 _bfd_strip_section_from_output
PARAMS ((struct bfd_link_info
*info
, asection
*section
));
1452 enum bfd_architecture
1454 bfd_arch_unknown
, /* File arch not known. */
1455 bfd_arch_obscure
, /* Arch known, not one of these. */
1456 bfd_arch_m68k
, /* Motorola 68xxx */
1457 #define bfd_mach_m68000 1
1458 #define bfd_mach_m68008 2
1459 #define bfd_mach_m68010 3
1460 #define bfd_mach_m68020 4
1461 #define bfd_mach_m68030 5
1462 #define bfd_mach_m68040 6
1463 #define bfd_mach_m68060 7
1464 #define bfd_mach_cpu32 8
1465 #define bfd_mach_mcf5200 9
1466 #define bfd_mach_mcf5206e 10
1467 #define bfd_mach_mcf5307 11
1468 #define bfd_mach_mcf5407 12
1469 bfd_arch_vax
, /* DEC Vax */
1470 bfd_arch_i960
, /* Intel 960 */
1471 /* The order of the following is important.
1472 lower number indicates a machine type that
1473 only accepts a subset of the instructions
1474 available to machines with higher numbers.
1475 The exception is the "ca", which is
1476 incompatible with all other machines except
1479 #define bfd_mach_i960_core 1
1480 #define bfd_mach_i960_ka_sa 2
1481 #define bfd_mach_i960_kb_sb 3
1482 #define bfd_mach_i960_mc 4
1483 #define bfd_mach_i960_xa 5
1484 #define bfd_mach_i960_ca 6
1485 #define bfd_mach_i960_jx 7
1486 #define bfd_mach_i960_hx 8
1488 bfd_arch_or32
, /* OpenRISC 32 */
1490 bfd_arch_a29k
, /* AMD 29000 */
1491 bfd_arch_sparc
, /* SPARC */
1492 #define bfd_mach_sparc 1
1493 /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */
1494 #define bfd_mach_sparc_sparclet 2
1495 #define bfd_mach_sparc_sparclite 3
1496 #define bfd_mach_sparc_v8plus 4
1497 #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns. */
1498 #define bfd_mach_sparc_sparclite_le 6
1499 #define bfd_mach_sparc_v9 7
1500 #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns. */
1501 #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns. */
1502 #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns. */
1503 /* Nonzero if MACH has the v9 instruction set. */
1504 #define bfd_mach_sparc_v9_p(mach) \
1505 ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1506 && (mach) != bfd_mach_sparc_sparclite_le)
1507 bfd_arch_mips
, /* MIPS Rxxxx */
1508 #define bfd_mach_mips3000 3000
1509 #define bfd_mach_mips3900 3900
1510 #define bfd_mach_mips4000 4000
1511 #define bfd_mach_mips4010 4010
1512 #define bfd_mach_mips4100 4100
1513 #define bfd_mach_mips4111 4111
1514 #define bfd_mach_mips4300 4300
1515 #define bfd_mach_mips4400 4400
1516 #define bfd_mach_mips4600 4600
1517 #define bfd_mach_mips4650 4650
1518 #define bfd_mach_mips5000 5000
1519 #define bfd_mach_mips6000 6000
1520 #define bfd_mach_mips8000 8000
1521 #define bfd_mach_mips10000 10000
1522 #define bfd_mach_mips12000 12000
1523 #define bfd_mach_mips16 16
1524 #define bfd_mach_mips5 5
1525 #define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */
1526 #define bfd_mach_mipsisa32 32
1527 #define bfd_mach_mipsisa64 64
1528 bfd_arch_i386
, /* Intel 386 */
1529 #define bfd_mach_i386_i386 0
1530 #define bfd_mach_i386_i8086 1
1531 #define bfd_mach_i386_i386_intel_syntax 2
1532 #define bfd_mach_x86_64 3
1533 #define bfd_mach_x86_64_intel_syntax 4
1534 bfd_arch_we32k
, /* AT&T WE32xxx */
1535 bfd_arch_tahoe
, /* CCI/Harris Tahoe */
1536 bfd_arch_i860
, /* Intel 860 */
1537 bfd_arch_i370
, /* IBM 360/370 Mainframes */
1538 bfd_arch_romp
, /* IBM ROMP PC/RT */
1539 bfd_arch_alliant
, /* Alliant */
1540 bfd_arch_convex
, /* Convex */
1541 bfd_arch_m88k
, /* Motorola 88xxx */
1542 bfd_arch_pyramid
, /* Pyramid Technology */
1543 bfd_arch_h8300
, /* Hitachi H8/300 */
1544 #define bfd_mach_h8300 1
1545 #define bfd_mach_h8300h 2
1546 #define bfd_mach_h8300s 3
1547 bfd_arch_pdp11
, /* DEC PDP-11 */
1548 bfd_arch_powerpc
, /* PowerPC */
1549 #define bfd_mach_ppc 0
1550 #define bfd_mach_ppc64 1
1551 #define bfd_mach_ppc_403 403
1552 #define bfd_mach_ppc_403gc 4030
1553 #define bfd_mach_ppc_505 505
1554 #define bfd_mach_ppc_601 601
1555 #define bfd_mach_ppc_602 602
1556 #define bfd_mach_ppc_603 603
1557 #define bfd_mach_ppc_ec603e 6031
1558 #define bfd_mach_ppc_604 604
1559 #define bfd_mach_ppc_620 620
1560 #define bfd_mach_ppc_630 630
1561 #define bfd_mach_ppc_750 750
1562 #define bfd_mach_ppc_860 860
1563 #define bfd_mach_ppc_a35 35
1564 #define bfd_mach_ppc_rs64ii 642
1565 #define bfd_mach_ppc_rs64iii 643
1566 #define bfd_mach_ppc_7400 7400
1567 bfd_arch_rs6000
, /* IBM RS/6000 */
1568 #define bfd_mach_rs6k 0
1569 #define bfd_mach_rs6k_rs1 6001
1570 #define bfd_mach_rs6k_rsc 6003
1571 #define bfd_mach_rs6k_rs2 6002
1572 bfd_arch_hppa
, /* HP PA RISC */
1573 bfd_arch_d10v
, /* Mitsubishi D10V */
1574 #define bfd_mach_d10v 0
1575 #define bfd_mach_d10v_ts2 2
1576 #define bfd_mach_d10v_ts3 3
1577 bfd_arch_d30v
, /* Mitsubishi D30V */
1578 bfd_arch_dlx
, /* DLX */
1579 bfd_arch_m68hc11
, /* Motorola 68HC11 */
1580 bfd_arch_m68hc12
, /* Motorola 68HC12 */
1581 bfd_arch_z8k
, /* Zilog Z8000 */
1582 #define bfd_mach_z8001 1
1583 #define bfd_mach_z8002 2
1584 bfd_arch_h8500
, /* Hitachi H8/500 */
1585 bfd_arch_sh
, /* Hitachi SH */
1586 #define bfd_mach_sh 0
1587 #define bfd_mach_sh2 0x20
1588 #define bfd_mach_sh_dsp 0x2d
1589 #define bfd_mach_sh3 0x30
1590 #define bfd_mach_sh3_dsp 0x3d
1591 #define bfd_mach_sh3e 0x3e
1592 #define bfd_mach_sh4 0x40
1593 #define bfd_mach_sh5 0x50
1594 bfd_arch_alpha
, /* Dec Alpha */
1595 #define bfd_mach_alpha_ev4 0x10
1596 #define bfd_mach_alpha_ev5 0x20
1597 #define bfd_mach_alpha_ev6 0x30
1598 bfd_arch_arm
, /* Advanced Risc Machines ARM. */
1599 #define bfd_mach_arm_2 1
1600 #define bfd_mach_arm_2a 2
1601 #define bfd_mach_arm_3 3
1602 #define bfd_mach_arm_3M 4
1603 #define bfd_mach_arm_4 5
1604 #define bfd_mach_arm_4T 6
1605 #define bfd_mach_arm_5 7
1606 #define bfd_mach_arm_5T 8
1607 #define bfd_mach_arm_5TE 9
1608 #define bfd_mach_arm_XScale 10
1609 bfd_arch_ns32k
, /* National Semiconductors ns32000 */
1610 bfd_arch_w65
, /* WDC 65816 */
1611 bfd_arch_tic30
, /* Texas Instruments TMS320C30 */
1612 bfd_arch_tic54x
, /* Texas Instruments TMS320C54X */
1613 bfd_arch_tic80
, /* TI TMS320c80 (MVP) */
1614 bfd_arch_v850
, /* NEC V850 */
1615 #define bfd_mach_v850 0
1616 #define bfd_mach_v850e 'E'
1617 #define bfd_mach_v850ea 'A'
1618 bfd_arch_arc
, /* ARC Cores */
1619 #define bfd_mach_arc_5 0
1620 #define bfd_mach_arc_6 1
1621 #define bfd_mach_arc_7 2
1622 #define bfd_mach_arc_8 3
1623 bfd_arch_m32r
, /* Mitsubishi M32R/D */
1624 #define bfd_mach_m32r 0 /* For backwards compatibility. */
1625 #define bfd_mach_m32rx 'x'
1626 bfd_arch_mn10200
, /* Matsushita MN10200 */
1627 bfd_arch_mn10300
, /* Matsushita MN10300 */
1628 #define bfd_mach_mn10300 300
1629 #define bfd_mach_am33 330
1631 #define bfd_mach_fr30 0x46523330
1633 bfd_arch_ia64
, /* HP/Intel ia64 */
1634 #define bfd_mach_ia64_elf64 0
1635 #define bfd_mach_ia64_elf32 1
1637 bfd_arch_avr
, /* Atmel AVR microcontrollers. */
1638 #define bfd_mach_avr1 1
1639 #define bfd_mach_avr2 2
1640 #define bfd_mach_avr3 3
1641 #define bfd_mach_avr4 4
1642 #define bfd_mach_avr5 5
1643 bfd_arch_cris
, /* Axis CRIS */
1644 bfd_arch_s390
, /* IBM s390 */
1645 #define bfd_mach_s390_31 0
1646 #define bfd_mach_s390_64 1
1647 bfd_arch_openrisc
, /* OpenRISC */
1648 bfd_arch_mmix
, /* Donald Knuth's educational processor. */
1650 #define bfd_mach_xstormy16 0
1654 typedef struct bfd_arch_info
1657 int bits_per_address
;
1659 enum bfd_architecture arch
;
1661 const char *arch_name
;
1662 const char *printable_name
;
1663 unsigned int section_align_power
;
1664 /* True if this is the default machine for the architecture.
1665 The default arch should be the first entry for an arch so that
1666 all the entries for that arch can be accessed via <<next>>. */
1667 boolean the_default
;
1668 const struct bfd_arch_info
* (*compatible
)
1669 PARAMS ((const struct bfd_arch_info
*a
,
1670 const struct bfd_arch_info
*b
));
1672 boolean (*scan
) PARAMS ((const struct bfd_arch_info
*, const char *));
1674 const struct bfd_arch_info
*next
;
1679 bfd_printable_name
PARAMS ((bfd
*abfd
));
1681 const bfd_arch_info_type
*
1682 bfd_scan_arch
PARAMS ((const char *string
));
1685 bfd_arch_list
PARAMS ((void));
1687 const bfd_arch_info_type
*
1688 bfd_arch_get_compatible
PARAMS ((
1693 bfd_set_arch_info
PARAMS ((bfd
*abfd
, const bfd_arch_info_type
*arg
));
1695 enum bfd_architecture
1696 bfd_get_arch
PARAMS ((bfd
*abfd
));
1699 bfd_get_mach
PARAMS ((bfd
*abfd
));
1702 bfd_arch_bits_per_byte
PARAMS ((bfd
*abfd
));
1705 bfd_arch_bits_per_address
PARAMS ((bfd
*abfd
));
1707 const bfd_arch_info_type
*
1708 bfd_get_arch_info
PARAMS ((bfd
*abfd
));
1710 const bfd_arch_info_type
*
1711 bfd_lookup_arch
PARAMS ((enum bfd_architecture
1713 unsigned long machine
));
1716 bfd_printable_arch_mach
PARAMS ((enum bfd_architecture arch
, unsigned long machine
));
1719 bfd_octets_per_byte
PARAMS ((bfd
*abfd
));
1722 bfd_arch_mach_octets_per_byte
PARAMS ((enum bfd_architecture arch
,
1723 unsigned long machine
));
1725 typedef enum bfd_reloc_status
1727 /* No errors detected. */
1730 /* The relocation was performed, but there was an overflow. */
1733 /* The address to relocate was not within the section supplied. */
1734 bfd_reloc_outofrange
,
1736 /* Used by special functions. */
1739 /* Unsupported relocation size requested. */
1740 bfd_reloc_notsupported
,
1745 /* The symbol to relocate against was undefined. */
1746 bfd_reloc_undefined
,
1748 /* The relocation was performed, but may not be ok - presently
1749 generated only when linking i960 coff files with i960 b.out
1750 symbols. If this type is returned, the error_message argument
1751 to bfd_perform_relocation will be set. */
1754 bfd_reloc_status_type
;
1757 typedef struct reloc_cache_entry
1759 /* A pointer into the canonical table of pointers. */
1760 struct symbol_cache_entry
**sym_ptr_ptr
;
1762 /* offset in section. */
1763 bfd_size_type address
;
1765 /* addend for relocation value. */
1768 /* Pointer to how to perform the required relocation. */
1769 reloc_howto_type
*howto
;
1774 enum complain_overflow
1776 /* Do not complain on overflow. */
1777 complain_overflow_dont
,
1779 /* Complain if the bitfield overflows, whether it is considered
1780 as signed or unsigned. */
1781 complain_overflow_bitfield
,
1783 /* Complain if the value overflows when considered as signed
1785 complain_overflow_signed
,
1787 /* Complain if the value overflows when considered as an
1789 complain_overflow_unsigned
1792 struct reloc_howto_struct
1794 /* The type field has mainly a documentary use - the back end can
1795 do what it wants with it, though normally the back end's
1796 external idea of what a reloc number is stored
1797 in this field. For example, a PC relative word relocation
1798 in a coff environment has the type 023 - because that's
1799 what the outside world calls a R_PCRWORD reloc. */
1802 /* The value the final relocation is shifted right by. This drops
1803 unwanted data from the relocation. */
1804 unsigned int rightshift
;
1806 /* The size of the item to be relocated. This is *not* a
1807 power-of-two measure. To get the number of bytes operated
1808 on by a type of relocation, use bfd_get_reloc_size. */
1811 /* The number of bits in the item to be relocated. This is used
1812 when doing overflow checking. */
1813 unsigned int bitsize
;
1815 /* Notes that the relocation is relative to the location in the
1816 data section of the addend. The relocation function will
1817 subtract from the relocation value the address of the location
1819 boolean pc_relative
;
1821 /* The bit position of the reloc value in the destination.
1822 The relocated value is left shifted by this amount. */
1823 unsigned int bitpos
;
1825 /* What type of overflow error should be checked for when
1827 enum complain_overflow complain_on_overflow
;
1829 /* If this field is non null, then the supplied function is
1830 called rather than the normal function. This allows really
1831 strange relocation methods to be accomodated (e.g., i960 callj
1833 bfd_reloc_status_type (*special_function
)
1834 PARAMS ((bfd
*, arelent
*, struct symbol_cache_entry
*, PTR
, asection
*,
1837 /* The textual name of the relocation type. */
1840 /* Some formats record a relocation addend in the section contents
1841 rather than with the relocation. For ELF formats this is the
1842 distinction between USE_REL and USE_RELA (though the code checks
1843 for USE_REL == 1/0). The value of this field is TRUE if the
1844 addend is recorded with the section contents; when performing a
1845 partial link (ld -r) the section contents (the data) will be
1846 modified. The value of this field is FALSE if addends are
1847 recorded with the relocation (in arelent.addend); when performing
1848 a partial link the relocation will be modified.
1849 All relocations for all ELF USE_RELA targets should set this field
1850 to FALSE (values of TRUE should be looked on with suspicion).
1851 However, the converse is not true: not all relocations of all ELF
1852 USE_REL targets set this field to TRUE. Why this is so is peculiar
1853 to each particular target. For relocs that aren't used in partial
1854 links (e.g. GOT stuff) it doesn't matter what this is set to. */
1855 boolean partial_inplace
;
1857 /* The src_mask selects which parts of the read in data
1858 are to be used in the relocation sum. E.g., if this was an 8 bit
1859 byte of data which we read and relocated, this would be
1860 0x000000ff. When we have relocs which have an addend, such as
1861 sun4 extended relocs, the value in the offset part of a
1862 relocating field is garbage so we never use it. In this case
1863 the mask would be 0x00000000. */
1866 /* The dst_mask selects which parts of the instruction are replaced
1867 into the instruction. In most cases src_mask == dst_mask,
1868 except in the above special case, where dst_mask would be
1869 0x000000ff, and src_mask would be 0x00000000. */
1872 /* When some formats create PC relative instructions, they leave
1873 the value of the pc of the place being relocated in the offset
1874 slot of the instruction, so that a PC relative relocation can
1875 be made just by adding in an ordinary offset (e.g., sun3 a.out).
1876 Some formats leave the displacement part of an instruction
1877 empty (e.g., m88k bcs); this flag signals the fact. */
1878 boolean pcrel_offset
;
1881 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1882 { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1883 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1884 HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1885 NAME, false, 0, 0, IN)
1887 #define EMPTY_HOWTO(C) \
1888 HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1889 NULL, false, 0, 0, false)
1891 #define HOWTO_PREPARE(relocation, symbol) \
1893 if (symbol != (asymbol *) NULL) \
1895 if (bfd_is_com_section (symbol->section)) \
1901 relocation = symbol->value; \
1907 bfd_get_reloc_size
PARAMS ((reloc_howto_type
*));
1909 typedef struct relent_chain
1912 struct relent_chain
*next
;
1916 bfd_reloc_status_type
1917 bfd_check_overflow
PARAMS ((enum complain_overflow how
,
1918 unsigned int bitsize
,
1919 unsigned int rightshift
,
1920 unsigned int addrsize
,
1921 bfd_vma relocation
));
1923 bfd_reloc_status_type
1924 bfd_perform_relocation
PARAMS ((bfd
*abfd
,
1925 arelent
*reloc_entry
,
1927 asection
*input_section
,
1929 char **error_message
));
1931 bfd_reloc_status_type
1932 bfd_install_relocation
PARAMS ((bfd
*abfd
,
1933 arelent
*reloc_entry
,
1934 PTR data
, bfd_vma data_start
,
1935 asection
*input_section
,
1936 char **error_message
));
1938 enum bfd_reloc_code_real
{
1939 _dummy_first_bfd_reloc_code_real
,
1942 /* Basic absolute relocations of N bits. */
1951 /* PC-relative relocations. Sometimes these are relative to the address
1952 of the relocation itself; sometimes they are relative to the start of
1953 the section containing the relocation. It depends on the specific target.
1955 The 24-bit relocation is used in some Intel 960 configurations. */
1964 BFD_RELOC_32_GOT_PCREL
,
1965 BFD_RELOC_16_GOT_PCREL
,
1966 BFD_RELOC_8_GOT_PCREL
,
1967 BFD_RELOC_32_GOTOFF
,
1968 BFD_RELOC_16_GOTOFF
,
1969 BFD_RELOC_LO16_GOTOFF
,
1970 BFD_RELOC_HI16_GOTOFF
,
1971 BFD_RELOC_HI16_S_GOTOFF
,
1973 BFD_RELOC_64_PLT_PCREL
,
1974 BFD_RELOC_32_PLT_PCREL
,
1975 BFD_RELOC_24_PLT_PCREL
,
1976 BFD_RELOC_16_PLT_PCREL
,
1977 BFD_RELOC_8_PLT_PCREL
,
1978 BFD_RELOC_64_PLTOFF
,
1979 BFD_RELOC_32_PLTOFF
,
1980 BFD_RELOC_16_PLTOFF
,
1981 BFD_RELOC_LO16_PLTOFF
,
1982 BFD_RELOC_HI16_PLTOFF
,
1983 BFD_RELOC_HI16_S_PLTOFF
,
1986 /* Relocations used by 68K ELF. */
1987 BFD_RELOC_68K_GLOB_DAT
,
1988 BFD_RELOC_68K_JMP_SLOT
,
1989 BFD_RELOC_68K_RELATIVE
,
1991 /* Linkage-table relative. */
1992 BFD_RELOC_32_BASEREL
,
1993 BFD_RELOC_16_BASEREL
,
1994 BFD_RELOC_LO16_BASEREL
,
1995 BFD_RELOC_HI16_BASEREL
,
1996 BFD_RELOC_HI16_S_BASEREL
,
1997 BFD_RELOC_8_BASEREL
,
2000 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
2003 /* These PC-relative relocations are stored as word displacements --
2004 i.e., byte displacements shifted right two bits. The 30-bit word
2005 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
2006 SPARC. (SPARC tools generally refer to this as <<WDISP30>>.) The
2007 signed 16-bit displacement is used on the MIPS, and the 23-bit
2008 displacement is used on the Alpha. */
2009 BFD_RELOC_32_PCREL_S2
,
2010 BFD_RELOC_16_PCREL_S2
,
2011 BFD_RELOC_23_PCREL_S2
,
2013 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
2014 the target word. These are used on the SPARC. */
2018 /* For systems that allocate a Global Pointer register, these are
2019 displacements off that register. These relocation types are
2020 handled specially, because the value the register will have is
2021 decided relatively late. */
2025 /* Reloc types used for i960/b.out. */
2026 BFD_RELOC_I960_CALLJ
,
2028 /* SPARC ELF relocations. There is probably some overlap with other
2029 relocation types already defined. */
2031 BFD_RELOC_SPARC_WDISP22
,
2034 BFD_RELOC_SPARC_GOT10
,
2035 BFD_RELOC_SPARC_GOT13
,
2036 BFD_RELOC_SPARC_GOT22
,
2037 BFD_RELOC_SPARC_PC10
,
2038 BFD_RELOC_SPARC_PC22
,
2039 BFD_RELOC_SPARC_WPLT30
,
2040 BFD_RELOC_SPARC_COPY
,
2041 BFD_RELOC_SPARC_GLOB_DAT
,
2042 BFD_RELOC_SPARC_JMP_SLOT
,
2043 BFD_RELOC_SPARC_RELATIVE
,
2044 BFD_RELOC_SPARC_UA16
,
2045 BFD_RELOC_SPARC_UA32
,
2046 BFD_RELOC_SPARC_UA64
,
2048 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
2049 BFD_RELOC_SPARC_BASE13
,
2050 BFD_RELOC_SPARC_BASE22
,
2052 /* SPARC64 relocations */
2053 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
2056 BFD_RELOC_SPARC_OLO10
,
2057 BFD_RELOC_SPARC_HH22
,
2058 BFD_RELOC_SPARC_HM10
,
2059 BFD_RELOC_SPARC_LM22
,
2060 BFD_RELOC_SPARC_PC_HH22
,
2061 BFD_RELOC_SPARC_PC_HM10
,
2062 BFD_RELOC_SPARC_PC_LM22
,
2063 BFD_RELOC_SPARC_WDISP16
,
2064 BFD_RELOC_SPARC_WDISP19
,
2068 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2069 BFD_RELOC_SPARC_PLT32
,
2070 BFD_RELOC_SPARC_PLT64
,
2071 BFD_RELOC_SPARC_HIX22
,
2072 BFD_RELOC_SPARC_LOX10
,
2073 BFD_RELOC_SPARC_H44
,
2074 BFD_RELOC_SPARC_M44
,
2075 BFD_RELOC_SPARC_L44
,
2076 BFD_RELOC_SPARC_REGISTER
,
2078 /* SPARC little endian relocation */
2079 BFD_RELOC_SPARC_REV32
,
2081 /* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
2082 "addend" in some special way.
2083 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2084 writing; when reading, it will be the absolute section symbol. The
2085 addend is the displacement in bytes of the "lda" instruction from
2086 the "ldah" instruction (which is at the address of this reloc). */
2087 BFD_RELOC_ALPHA_GPDISP_HI16
,
2089 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2090 with GPDISP_HI16 relocs. The addend is ignored when writing the
2091 relocations out, and is filled in with the file's GP value on
2092 reading, for convenience. */
2093 BFD_RELOC_ALPHA_GPDISP_LO16
,
2095 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2096 relocation except that there is no accompanying GPDISP_LO16
2098 BFD_RELOC_ALPHA_GPDISP
,
2100 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2101 the assembler turns it into a LDQ instruction to load the address of
2102 the symbol, and then fills in a register in the real instruction.
2104 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2105 section symbol. The addend is ignored when writing, but is filled
2106 in with the file's GP value on reading, for convenience, as with the
2109 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2110 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2111 but it generates output not based on the position within the .got
2112 section, but relative to the GP value chosen for the file during the
2115 The LITUSE reloc, on the instruction using the loaded address, gives
2116 information to the linker that it might be able to use to optimize
2117 away some literal section references. The symbol is ignored (read
2118 as the absolute section symbol), and the "addend" indicates the type
2119 of instruction using the register:
2120 1 - "memory" fmt insn
2121 2 - byte-manipulation (byte offset reg)
2122 3 - jsr (target of branch) */
2123 BFD_RELOC_ALPHA_LITERAL
,
2124 BFD_RELOC_ALPHA_ELF_LITERAL
,
2125 BFD_RELOC_ALPHA_LITUSE
,
2127 /* The HINT relocation indicates a value that should be filled into the
2128 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2129 prediction logic which may be provided on some processors. */
2130 BFD_RELOC_ALPHA_HINT
,
2132 /* The LINKAGE relocation outputs a linkage pair in the object file,
2133 which is filled by the linker. */
2134 BFD_RELOC_ALPHA_LINKAGE
,
2136 /* The CODEADDR relocation outputs a STO_CA in the object file,
2137 which is filled by the linker. */
2138 BFD_RELOC_ALPHA_CODEADDR
,
2140 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2142 BFD_RELOC_ALPHA_GPREL_HI16
,
2143 BFD_RELOC_ALPHA_GPREL_LO16
,
2145 /* Like BFD_RELOC_23_PCREL_S2, except that the source and target must
2146 share a common GP, and the target address is adjusted for
2147 STO_ALPHA_STD_GPLOAD. */
2148 BFD_RELOC_ALPHA_BRSGP
,
2150 /* Alpha thread-local storage relocations. */
2151 BFD_RELOC_ALPHA_TLSGD
,
2152 BFD_RELOC_ALPHA_TLSLDM
,
2153 BFD_RELOC_ALPHA_DTPMOD64
,
2154 BFD_RELOC_ALPHA_GOTDTPREL16
,
2155 BFD_RELOC_ALPHA_DTPREL64
,
2156 BFD_RELOC_ALPHA_DTPREL_HI16
,
2157 BFD_RELOC_ALPHA_DTPREL_LO16
,
2158 BFD_RELOC_ALPHA_DTPREL16
,
2159 BFD_RELOC_ALPHA_GOTTPREL16
,
2160 BFD_RELOC_ALPHA_TPREL64
,
2161 BFD_RELOC_ALPHA_TPREL_HI16
,
2162 BFD_RELOC_ALPHA_TPREL_LO16
,
2163 BFD_RELOC_ALPHA_TPREL16
,
2165 /* Bits 27..2 of the relocation address shifted right 2 bits;
2166 simple reloc otherwise. */
2169 /* The MIPS16 jump instruction. */
2170 BFD_RELOC_MIPS16_JMP
,
2172 /* MIPS16 GP relative reloc. */
2173 BFD_RELOC_MIPS16_GPREL
,
2175 /* High 16 bits of 32-bit value; simple reloc. */
2178 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2179 extended and added to form the final result. If the low 16
2180 bits form a negative number, we need to add one to the high value
2181 to compensate for the borrow when the low bits are added. */
2187 /* Like BFD_RELOC_HI16_S, but PC relative. */
2188 BFD_RELOC_PCREL_HI16_S
,
2190 /* Like BFD_RELOC_LO16, but PC relative. */
2191 BFD_RELOC_PCREL_LO16
,
2193 /* Relocation against a MIPS literal section. */
2194 BFD_RELOC_MIPS_LITERAL
,
2196 /* MIPS ELF relocations. */
2197 BFD_RELOC_MIPS_GOT16
,
2198 BFD_RELOC_MIPS_CALL16
,
2199 BFD_RELOC_MIPS_GOT_HI16
,
2200 BFD_RELOC_MIPS_GOT_LO16
,
2201 BFD_RELOC_MIPS_CALL_HI16
,
2202 BFD_RELOC_MIPS_CALL_LO16
,
2204 BFD_RELOC_MIPS_GOT_PAGE
,
2205 BFD_RELOC_MIPS_GOT_OFST
,
2206 BFD_RELOC_MIPS_GOT_DISP
,
2207 BFD_RELOC_MIPS_SHIFT5
,
2208 BFD_RELOC_MIPS_SHIFT6
,
2209 BFD_RELOC_MIPS_INSERT_A
,
2210 BFD_RELOC_MIPS_INSERT_B
,
2211 BFD_RELOC_MIPS_DELETE
,
2212 BFD_RELOC_MIPS_HIGHEST
,
2213 BFD_RELOC_MIPS_HIGHER
,
2214 BFD_RELOC_MIPS_SCN_DISP
,
2215 BFD_RELOC_MIPS_REL16
,
2216 BFD_RELOC_MIPS_RELGOT
,
2217 BFD_RELOC_MIPS_JALR
,
2220 /* i386/elf relocations */
2221 BFD_RELOC_386_GOT32
,
2222 BFD_RELOC_386_PLT32
,
2224 BFD_RELOC_386_GLOB_DAT
,
2225 BFD_RELOC_386_JUMP_SLOT
,
2226 BFD_RELOC_386_RELATIVE
,
2227 BFD_RELOC_386_GOTOFF
,
2228 BFD_RELOC_386_GOTPC
,
2229 BFD_RELOC_386_TLS_LE
,
2230 BFD_RELOC_386_TLS_GD
,
2231 BFD_RELOC_386_TLS_LDM
,
2232 BFD_RELOC_386_TLS_LDO_32
,
2233 BFD_RELOC_386_TLS_IE_32
,
2234 BFD_RELOC_386_TLS_LE_32
,
2235 BFD_RELOC_386_TLS_DTPMOD32
,
2236 BFD_RELOC_386_TLS_DTPOFF32
,
2237 BFD_RELOC_386_TLS_TPOFF32
,
2239 /* x86-64/elf relocations */
2240 BFD_RELOC_X86_64_GOT32
,
2241 BFD_RELOC_X86_64_PLT32
,
2242 BFD_RELOC_X86_64_COPY
,
2243 BFD_RELOC_X86_64_GLOB_DAT
,
2244 BFD_RELOC_X86_64_JUMP_SLOT
,
2245 BFD_RELOC_X86_64_RELATIVE
,
2246 BFD_RELOC_X86_64_GOTPCREL
,
2247 BFD_RELOC_X86_64_32S
,
2249 /* ns32k relocations */
2250 BFD_RELOC_NS32K_IMM_8
,
2251 BFD_RELOC_NS32K_IMM_16
,
2252 BFD_RELOC_NS32K_IMM_32
,
2253 BFD_RELOC_NS32K_IMM_8_PCREL
,
2254 BFD_RELOC_NS32K_IMM_16_PCREL
,
2255 BFD_RELOC_NS32K_IMM_32_PCREL
,
2256 BFD_RELOC_NS32K_DISP_8
,
2257 BFD_RELOC_NS32K_DISP_16
,
2258 BFD_RELOC_NS32K_DISP_32
,
2259 BFD_RELOC_NS32K_DISP_8_PCREL
,
2260 BFD_RELOC_NS32K_DISP_16_PCREL
,
2261 BFD_RELOC_NS32K_DISP_32_PCREL
,
2263 /* PDP11 relocations */
2264 BFD_RELOC_PDP11_DISP_8_PCREL
,
2265 BFD_RELOC_PDP11_DISP_6_PCREL
,
2267 /* Picojava relocs. Not all of these appear in object files. */
2268 BFD_RELOC_PJ_CODE_HI16
,
2269 BFD_RELOC_PJ_CODE_LO16
,
2270 BFD_RELOC_PJ_CODE_DIR16
,
2271 BFD_RELOC_PJ_CODE_DIR32
,
2272 BFD_RELOC_PJ_CODE_REL16
,
2273 BFD_RELOC_PJ_CODE_REL32
,
2275 /* Power(rs6000) and PowerPC relocations. */
2278 BFD_RELOC_PPC_TOC16
,
2280 BFD_RELOC_PPC_B16_BRTAKEN
,
2281 BFD_RELOC_PPC_B16_BRNTAKEN
,
2283 BFD_RELOC_PPC_BA16_BRTAKEN
,
2284 BFD_RELOC_PPC_BA16_BRNTAKEN
,
2286 BFD_RELOC_PPC_GLOB_DAT
,
2287 BFD_RELOC_PPC_JMP_SLOT
,
2288 BFD_RELOC_PPC_RELATIVE
,
2289 BFD_RELOC_PPC_LOCAL24PC
,
2290 BFD_RELOC_PPC_EMB_NADDR32
,
2291 BFD_RELOC_PPC_EMB_NADDR16
,
2292 BFD_RELOC_PPC_EMB_NADDR16_LO
,
2293 BFD_RELOC_PPC_EMB_NADDR16_HI
,
2294 BFD_RELOC_PPC_EMB_NADDR16_HA
,
2295 BFD_RELOC_PPC_EMB_SDAI16
,
2296 BFD_RELOC_PPC_EMB_SDA2I16
,
2297 BFD_RELOC_PPC_EMB_SDA2REL
,
2298 BFD_RELOC_PPC_EMB_SDA21
,
2299 BFD_RELOC_PPC_EMB_MRKREF
,
2300 BFD_RELOC_PPC_EMB_RELSEC16
,
2301 BFD_RELOC_PPC_EMB_RELST_LO
,
2302 BFD_RELOC_PPC_EMB_RELST_HI
,
2303 BFD_RELOC_PPC_EMB_RELST_HA
,
2304 BFD_RELOC_PPC_EMB_BIT_FLD
,
2305 BFD_RELOC_PPC_EMB_RELSDA
,
2306 BFD_RELOC_PPC64_HIGHER
,
2307 BFD_RELOC_PPC64_HIGHER_S
,
2308 BFD_RELOC_PPC64_HIGHEST
,
2309 BFD_RELOC_PPC64_HIGHEST_S
,
2310 BFD_RELOC_PPC64_TOC16_LO
,
2311 BFD_RELOC_PPC64_TOC16_HI
,
2312 BFD_RELOC_PPC64_TOC16_HA
,
2313 BFD_RELOC_PPC64_TOC
,
2314 BFD_RELOC_PPC64_PLTGOT16
,
2315 BFD_RELOC_PPC64_PLTGOT16_LO
,
2316 BFD_RELOC_PPC64_PLTGOT16_HI
,
2317 BFD_RELOC_PPC64_PLTGOT16_HA
,
2318 BFD_RELOC_PPC64_ADDR16_DS
,
2319 BFD_RELOC_PPC64_ADDR16_LO_DS
,
2320 BFD_RELOC_PPC64_GOT16_DS
,
2321 BFD_RELOC_PPC64_GOT16_LO_DS
,
2322 BFD_RELOC_PPC64_PLT16_LO_DS
,
2323 BFD_RELOC_PPC64_SECTOFF_DS
,
2324 BFD_RELOC_PPC64_SECTOFF_LO_DS
,
2325 BFD_RELOC_PPC64_TOC16_DS
,
2326 BFD_RELOC_PPC64_TOC16_LO_DS
,
2327 BFD_RELOC_PPC64_PLTGOT16_DS
,
2328 BFD_RELOC_PPC64_PLTGOT16_LO_DS
,
2330 /* IBM 370/390 relocations */
2333 /* The type of reloc used to build a contructor table - at the moment
2334 probably a 32 bit wide absolute relocation, but the target can choose.
2335 It generally does map to one of the other relocation types. */
2338 /* ARM 26 bit pc-relative branch. The lowest two bits must be zero and are
2339 not stored in the instruction. */
2340 BFD_RELOC_ARM_PCREL_BRANCH
,
2342 /* ARM 26 bit pc-relative branch. The lowest bit must be zero and is
2343 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2344 field in the instruction. */
2345 BFD_RELOC_ARM_PCREL_BLX
,
2347 /* Thumb 22 bit pc-relative branch. The lowest bit must be zero and is
2348 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2349 field in the instruction. */
2350 BFD_RELOC_THUMB_PCREL_BLX
,
2352 /* These relocs are only used within the ARM assembler. They are not
2353 (at present) written to any object files. */
2354 BFD_RELOC_ARM_IMMEDIATE
,
2355 BFD_RELOC_ARM_ADRL_IMMEDIATE
,
2356 BFD_RELOC_ARM_OFFSET_IMM
,
2357 BFD_RELOC_ARM_SHIFT_IMM
,
2359 BFD_RELOC_ARM_MULTI
,
2360 BFD_RELOC_ARM_CP_OFF_IMM
,
2361 BFD_RELOC_ARM_ADR_IMM
,
2362 BFD_RELOC_ARM_LDR_IMM
,
2363 BFD_RELOC_ARM_LITERAL
,
2364 BFD_RELOC_ARM_IN_POOL
,
2365 BFD_RELOC_ARM_OFFSET_IMM8
,
2366 BFD_RELOC_ARM_HWLITERAL
,
2367 BFD_RELOC_ARM_THUMB_ADD
,
2368 BFD_RELOC_ARM_THUMB_IMM
,
2369 BFD_RELOC_ARM_THUMB_SHIFT
,
2370 BFD_RELOC_ARM_THUMB_OFFSET
,
2371 BFD_RELOC_ARM_GOT12
,
2372 BFD_RELOC_ARM_GOT32
,
2373 BFD_RELOC_ARM_JUMP_SLOT
,
2375 BFD_RELOC_ARM_GLOB_DAT
,
2376 BFD_RELOC_ARM_PLT32
,
2377 BFD_RELOC_ARM_RELATIVE
,
2378 BFD_RELOC_ARM_GOTOFF
,
2379 BFD_RELOC_ARM_GOTPC
,
2381 /* Hitachi SH relocs. Not all of these appear in object files. */
2382 BFD_RELOC_SH_PCDISP8BY2
,
2383 BFD_RELOC_SH_PCDISP12BY2
,
2385 BFD_RELOC_SH_IMM4BY2
,
2386 BFD_RELOC_SH_IMM4BY4
,
2388 BFD_RELOC_SH_IMM8BY2
,
2389 BFD_RELOC_SH_IMM8BY4
,
2390 BFD_RELOC_SH_PCRELIMM8BY2
,
2391 BFD_RELOC_SH_PCRELIMM8BY4
,
2392 BFD_RELOC_SH_SWITCH16
,
2393 BFD_RELOC_SH_SWITCH32
,
2400 BFD_RELOC_SH_LOOP_START
,
2401 BFD_RELOC_SH_LOOP_END
,
2403 BFD_RELOC_SH_GLOB_DAT
,
2404 BFD_RELOC_SH_JMP_SLOT
,
2405 BFD_RELOC_SH_RELATIVE
,
2407 BFD_RELOC_SH_GOT_LOW16
,
2408 BFD_RELOC_SH_GOT_MEDLOW16
,
2409 BFD_RELOC_SH_GOT_MEDHI16
,
2410 BFD_RELOC_SH_GOT_HI16
,
2411 BFD_RELOC_SH_GOTPLT_LOW16
,
2412 BFD_RELOC_SH_GOTPLT_MEDLOW16
,
2413 BFD_RELOC_SH_GOTPLT_MEDHI16
,
2414 BFD_RELOC_SH_GOTPLT_HI16
,
2415 BFD_RELOC_SH_PLT_LOW16
,
2416 BFD_RELOC_SH_PLT_MEDLOW16
,
2417 BFD_RELOC_SH_PLT_MEDHI16
,
2418 BFD_RELOC_SH_PLT_HI16
,
2419 BFD_RELOC_SH_GOTOFF_LOW16
,
2420 BFD_RELOC_SH_GOTOFF_MEDLOW16
,
2421 BFD_RELOC_SH_GOTOFF_MEDHI16
,
2422 BFD_RELOC_SH_GOTOFF_HI16
,
2423 BFD_RELOC_SH_GOTPC_LOW16
,
2424 BFD_RELOC_SH_GOTPC_MEDLOW16
,
2425 BFD_RELOC_SH_GOTPC_MEDHI16
,
2426 BFD_RELOC_SH_GOTPC_HI16
,
2427 BFD_RELOC_SH_COPY64
,
2428 BFD_RELOC_SH_GLOB_DAT64
,
2429 BFD_RELOC_SH_JMP_SLOT64
,
2430 BFD_RELOC_SH_RELATIVE64
,
2431 BFD_RELOC_SH_GOT10BY4
,
2432 BFD_RELOC_SH_GOT10BY8
,
2433 BFD_RELOC_SH_GOTPLT10BY4
,
2434 BFD_RELOC_SH_GOTPLT10BY8
,
2435 BFD_RELOC_SH_GOTPLT32
,
2436 BFD_RELOC_SH_SHMEDIA_CODE
,
2439 BFD_RELOC_SH_IMMS6BY32
,
2441 BFD_RELOC_SH_IMMS10
,
2442 BFD_RELOC_SH_IMMS10BY2
,
2443 BFD_RELOC_SH_IMMS10BY4
,
2444 BFD_RELOC_SH_IMMS10BY8
,
2445 BFD_RELOC_SH_IMMS16
,
2446 BFD_RELOC_SH_IMMU16
,
2447 BFD_RELOC_SH_IMM_LOW16
,
2448 BFD_RELOC_SH_IMM_LOW16_PCREL
,
2449 BFD_RELOC_SH_IMM_MEDLOW16
,
2450 BFD_RELOC_SH_IMM_MEDLOW16_PCREL
,
2451 BFD_RELOC_SH_IMM_MEDHI16
,
2452 BFD_RELOC_SH_IMM_MEDHI16_PCREL
,
2453 BFD_RELOC_SH_IMM_HI16
,
2454 BFD_RELOC_SH_IMM_HI16_PCREL
,
2457 /* Thumb 23-, 12- and 9-bit pc-relative branches. The lowest bit must
2458 be zero and is not stored in the instruction. */
2459 BFD_RELOC_THUMB_PCREL_BRANCH9
,
2460 BFD_RELOC_THUMB_PCREL_BRANCH12
,
2461 BFD_RELOC_THUMB_PCREL_BRANCH23
,
2463 /* ARC Cores relocs.
2464 ARC 22 bit pc-relative branch. The lowest two bits must be zero and are
2465 not stored in the instruction. The high 20 bits are installed in bits 26
2466 through 7 of the instruction. */
2467 BFD_RELOC_ARC_B22_PCREL
,
2469 /* ARC 26 bit absolute branch. The lowest two bits must be zero and are not
2470 stored in the instruction. The high 24 bits are installed in bits 23
2474 /* Mitsubishi D10V relocs.
2475 This is a 10-bit reloc with the right 2 bits
2477 BFD_RELOC_D10V_10_PCREL_R
,
2479 /* Mitsubishi D10V relocs.
2480 This is a 10-bit reloc with the right 2 bits
2481 assumed to be 0. This is the same as the previous reloc
2482 except it is in the left container, i.e.,
2483 shifted left 15 bits. */
2484 BFD_RELOC_D10V_10_PCREL_L
,
2486 /* This is an 18-bit reloc with the right 2 bits
2490 /* This is an 18-bit reloc with the right 2 bits
2492 BFD_RELOC_D10V_18_PCREL
,
2494 /* Mitsubishi D30V relocs.
2495 This is a 6-bit absolute reloc. */
2498 /* This is a 6-bit pc-relative reloc with
2499 the right 3 bits assumed to be 0. */
2500 BFD_RELOC_D30V_9_PCREL
,
2502 /* This is a 6-bit pc-relative reloc with
2503 the right 3 bits assumed to be 0. Same
2504 as the previous reloc but on the right side
2505 of the container. */
2506 BFD_RELOC_D30V_9_PCREL_R
,
2508 /* This is a 12-bit absolute reloc with the
2509 right 3 bitsassumed to be 0. */
2512 /* This is a 12-bit pc-relative reloc with
2513 the right 3 bits assumed to be 0. */
2514 BFD_RELOC_D30V_15_PCREL
,
2516 /* This is a 12-bit pc-relative reloc with
2517 the right 3 bits assumed to be 0. Same
2518 as the previous reloc but on the right side
2519 of the container. */
2520 BFD_RELOC_D30V_15_PCREL_R
,
2522 /* This is an 18-bit absolute reloc with
2523 the right 3 bits assumed to be 0. */
2526 /* This is an 18-bit pc-relative reloc with
2527 the right 3 bits assumed to be 0. */
2528 BFD_RELOC_D30V_21_PCREL
,
2530 /* This is an 18-bit pc-relative reloc with
2531 the right 3 bits assumed to be 0. Same
2532 as the previous reloc but on the right side
2533 of the container. */
2534 BFD_RELOC_D30V_21_PCREL_R
,
2536 /* This is a 32-bit absolute reloc. */
2539 /* This is a 32-bit pc-relative reloc. */
2540 BFD_RELOC_D30V_32_PCREL
,
2543 BFD_RELOC_DLX_HI16_S
,
2549 BFD_RELOC_DLX_JMP26
,
2551 /* Mitsubishi M32R relocs.
2552 This is a 24 bit absolute address. */
2555 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2556 BFD_RELOC_M32R_10_PCREL
,
2558 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2559 BFD_RELOC_M32R_18_PCREL
,
2561 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2562 BFD_RELOC_M32R_26_PCREL
,
2564 /* This is a 16-bit reloc containing the high 16 bits of an address
2565 used when the lower 16 bits are treated as unsigned. */
2566 BFD_RELOC_M32R_HI16_ULO
,
2568 /* This is a 16-bit reloc containing the high 16 bits of an address
2569 used when the lower 16 bits are treated as signed. */
2570 BFD_RELOC_M32R_HI16_SLO
,
2572 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2573 BFD_RELOC_M32R_LO16
,
2575 /* This is a 16-bit reloc containing the small data area offset for use in
2576 add3, load, and store instructions. */
2577 BFD_RELOC_M32R_SDA16
,
2579 /* This is a 9-bit reloc */
2580 BFD_RELOC_V850_9_PCREL
,
2582 /* This is a 22-bit reloc */
2583 BFD_RELOC_V850_22_PCREL
,
2585 /* This is a 16 bit offset from the short data area pointer. */
2586 BFD_RELOC_V850_SDA_16_16_OFFSET
,
2588 /* This is a 16 bit offset (of which only 15 bits are used) from the
2589 short data area pointer. */
2590 BFD_RELOC_V850_SDA_15_16_OFFSET
,
2592 /* This is a 16 bit offset from the zero data area pointer. */
2593 BFD_RELOC_V850_ZDA_16_16_OFFSET
,
2595 /* This is a 16 bit offset (of which only 15 bits are used) from the
2596 zero data area pointer. */
2597 BFD_RELOC_V850_ZDA_15_16_OFFSET
,
2599 /* This is an 8 bit offset (of which only 6 bits are used) from the
2600 tiny data area pointer. */
2601 BFD_RELOC_V850_TDA_6_8_OFFSET
,
2603 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2604 data area pointer. */
2605 BFD_RELOC_V850_TDA_7_8_OFFSET
,
2607 /* This is a 7 bit offset from the tiny data area pointer. */
2608 BFD_RELOC_V850_TDA_7_7_OFFSET
,
2610 /* This is a 16 bit offset from the tiny data area pointer. */
2611 BFD_RELOC_V850_TDA_16_16_OFFSET
,
2613 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2614 data area pointer. */
2615 BFD_RELOC_V850_TDA_4_5_OFFSET
,
2617 /* This is a 4 bit offset from the tiny data area pointer. */
2618 BFD_RELOC_V850_TDA_4_4_OFFSET
,
2620 /* This is a 16 bit offset from the short data area pointer, with the
2621 bits placed non-contigously in the instruction. */
2622 BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET
,
2624 /* This is a 16 bit offset from the zero data area pointer, with the
2625 bits placed non-contigously in the instruction. */
2626 BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET
,
2628 /* This is a 6 bit offset from the call table base pointer. */
2629 BFD_RELOC_V850_CALLT_6_7_OFFSET
,
2631 /* This is a 16 bit offset from the call table base pointer. */
2632 BFD_RELOC_V850_CALLT_16_16_OFFSET
,
2635 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2637 BFD_RELOC_MN10300_32_PCREL
,
2639 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2641 BFD_RELOC_MN10300_16_PCREL
,
2643 /* This is a 8bit DP reloc for the tms320c30, where the most
2644 significant 8 bits of a 24 bit word are placed into the least
2645 significant 8 bits of the opcode. */
2646 BFD_RELOC_TIC30_LDP
,
2648 /* This is a 7bit reloc for the tms320c54x, where the least
2649 significant 7 bits of a 16 bit word are placed into the least
2650 significant 7 bits of the opcode. */
2651 BFD_RELOC_TIC54X_PARTLS7
,
2653 /* This is a 9bit DP reloc for the tms320c54x, where the most
2654 significant 9 bits of a 16 bit word are placed into the least
2655 significant 9 bits of the opcode. */
2656 BFD_RELOC_TIC54X_PARTMS9
,
2658 /* This is an extended address 23-bit reloc for the tms320c54x. */
2659 BFD_RELOC_TIC54X_23
,
2661 /* This is a 16-bit reloc for the tms320c54x, where the least
2662 significant 16 bits of a 23-bit extended address are placed into
2664 BFD_RELOC_TIC54X_16_OF_23
,
2666 /* This is a reloc for the tms320c54x, where the most
2667 significant 7 bits of a 23-bit extended address are placed into
2669 BFD_RELOC_TIC54X_MS7_OF_23
,
2671 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2674 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2678 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2680 BFD_RELOC_FR30_6_IN_4
,
2682 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2684 BFD_RELOC_FR30_8_IN_8
,
2686 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2688 BFD_RELOC_FR30_9_IN_8
,
2690 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2692 BFD_RELOC_FR30_10_IN_8
,
2694 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2695 short offset into 8 bits. */
2696 BFD_RELOC_FR30_9_PCREL
,
2698 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2699 short offset into 11 bits. */
2700 BFD_RELOC_FR30_12_PCREL
,
2702 /* Motorola Mcore relocations. */
2703 BFD_RELOC_MCORE_PCREL_IMM8BY4
,
2704 BFD_RELOC_MCORE_PCREL_IMM11BY2
,
2705 BFD_RELOC_MCORE_PCREL_IMM4BY2
,
2706 BFD_RELOC_MCORE_PCREL_32
,
2707 BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2
,
2708 BFD_RELOC_MCORE_RVA
,
2710 /* These are relocations for the GETA instruction. */
2711 BFD_RELOC_MMIX_GETA
,
2712 BFD_RELOC_MMIX_GETA_1
,
2713 BFD_RELOC_MMIX_GETA_2
,
2714 BFD_RELOC_MMIX_GETA_3
,
2716 /* These are relocations for a conditional branch instruction. */
2717 BFD_RELOC_MMIX_CBRANCH
,
2718 BFD_RELOC_MMIX_CBRANCH_J
,
2719 BFD_RELOC_MMIX_CBRANCH_1
,
2720 BFD_RELOC_MMIX_CBRANCH_2
,
2721 BFD_RELOC_MMIX_CBRANCH_3
,
2723 /* These are relocations for the PUSHJ instruction. */
2724 BFD_RELOC_MMIX_PUSHJ
,
2725 BFD_RELOC_MMIX_PUSHJ_1
,
2726 BFD_RELOC_MMIX_PUSHJ_2
,
2727 BFD_RELOC_MMIX_PUSHJ_3
,
2729 /* These are relocations for the JMP instruction. */
2731 BFD_RELOC_MMIX_JMP_1
,
2732 BFD_RELOC_MMIX_JMP_2
,
2733 BFD_RELOC_MMIX_JMP_3
,
2735 /* This is a relocation for a relative address as in a GETA instruction or
2737 BFD_RELOC_MMIX_ADDR19
,
2739 /* This is a relocation for a relative address as in a JMP instruction. */
2740 BFD_RELOC_MMIX_ADDR27
,
2742 /* This is a relocation for an instruction field that may be a general
2743 register or a value 0..255. */
2744 BFD_RELOC_MMIX_REG_OR_BYTE
,
2746 /* This is a relocation for an instruction field that may be a general
2750 /* This is a relocation for two instruction fields holding a register and
2751 an offset, the equivalent of the relocation. */
2752 BFD_RELOC_MMIX_BASE_PLUS_OFFSET
,
2754 /* This relocation is an assertion that the expression is not allocated as
2755 a global register. It does not modify contents. */
2756 BFD_RELOC_MMIX_LOCAL
,
2758 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2759 short offset into 7 bits. */
2760 BFD_RELOC_AVR_7_PCREL
,
2762 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2763 short offset into 12 bits. */
2764 BFD_RELOC_AVR_13_PCREL
,
2766 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2767 program memory address) into 16 bits. */
2768 BFD_RELOC_AVR_16_PM
,
2770 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2771 data memory address) into 8 bit immediate value of LDI insn. */
2772 BFD_RELOC_AVR_LO8_LDI
,
2774 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2775 of data memory address) into 8 bit immediate value of LDI insn. */
2776 BFD_RELOC_AVR_HI8_LDI
,
2778 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2779 of program memory address) into 8 bit immediate value of LDI insn. */
2780 BFD_RELOC_AVR_HH8_LDI
,
2782 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2783 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2784 BFD_RELOC_AVR_LO8_LDI_NEG
,
2786 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2787 (high 8 bit of data memory address) into 8 bit immediate value of
2789 BFD_RELOC_AVR_HI8_LDI_NEG
,
2791 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2792 (most high 8 bit of program memory address) into 8 bit immediate value
2793 of LDI or SUBI insn. */
2794 BFD_RELOC_AVR_HH8_LDI_NEG
,
2796 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2797 command address) into 8 bit immediate value of LDI insn. */
2798 BFD_RELOC_AVR_LO8_LDI_PM
,
2800 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2801 of command address) into 8 bit immediate value of LDI insn. */
2802 BFD_RELOC_AVR_HI8_LDI_PM
,
2804 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2805 of command address) into 8 bit immediate value of LDI insn. */
2806 BFD_RELOC_AVR_HH8_LDI_PM
,
2808 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2809 (usually command address) into 8 bit immediate value of SUBI insn. */
2810 BFD_RELOC_AVR_LO8_LDI_PM_NEG
,
2812 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2813 (high 8 bit of 16 bit command address) into 8 bit immediate value
2815 BFD_RELOC_AVR_HI8_LDI_PM_NEG
,
2817 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2818 (high 6 bit of 22 bit command address) into 8 bit immediate
2819 value of SUBI insn. */
2820 BFD_RELOC_AVR_HH8_LDI_PM_NEG
,
2822 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2826 /* Direct 12 bit. */
2829 /* 12 bit GOT offset. */
2830 BFD_RELOC_390_GOT12
,
2832 /* 32 bit PC relative PLT address. */
2833 BFD_RELOC_390_PLT32
,
2835 /* Copy symbol at runtime. */
2838 /* Create GOT entry. */
2839 BFD_RELOC_390_GLOB_DAT
,
2841 /* Create PLT entry. */
2842 BFD_RELOC_390_JMP_SLOT
,
2844 /* Adjust by program base. */
2845 BFD_RELOC_390_RELATIVE
,
2847 /* 32 bit PC relative offset to GOT. */
2848 BFD_RELOC_390_GOTPC
,
2850 /* 16 bit GOT offset. */
2851 BFD_RELOC_390_GOT16
,
2853 /* PC relative 16 bit shifted by 1. */
2854 BFD_RELOC_390_PC16DBL
,
2856 /* 16 bit PC rel. PLT shifted by 1. */
2857 BFD_RELOC_390_PLT16DBL
,
2859 /* PC relative 32 bit shifted by 1. */
2860 BFD_RELOC_390_PC32DBL
,
2862 /* 32 bit PC rel. PLT shifted by 1. */
2863 BFD_RELOC_390_PLT32DBL
,
2865 /* 32 bit PC rel. GOT shifted by 1. */
2866 BFD_RELOC_390_GOTPCDBL
,
2868 /* 64 bit GOT offset. */
2869 BFD_RELOC_390_GOT64
,
2871 /* 64 bit PC relative PLT address. */
2872 BFD_RELOC_390_PLT64
,
2874 /* 32 bit rel. offset to GOT entry. */
2875 BFD_RELOC_390_GOTENT
,
2877 /* These two relocations are used by the linker to determine which of
2878 the entries in a C++ virtual function table are actually used. When
2879 the --gc-sections option is given, the linker will zero out the entries
2880 that are not used, so that the code for those functions need not be
2881 included in the output.
2883 VTABLE_INHERIT is a zero-space relocation used to describe to the
2884 linker the inheritence tree of a C++ virtual function table. The
2885 relocation's symbol should be the parent class' vtable, and the
2886 relocation should be located at the child vtable.
2888 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2889 virtual function table entry. The reloc's symbol should refer to the
2890 table of the class mentioned in the code. Off of that base, an offset
2891 describes the entry that is being used. For Rela hosts, this offset
2892 is stored in the reloc's addend. For Rel hosts, we are forced to put
2893 this offset in the reloc's section offset. */
2894 BFD_RELOC_VTABLE_INHERIT
,
2895 BFD_RELOC_VTABLE_ENTRY
,
2897 /* Intel IA64 Relocations. */
2898 BFD_RELOC_IA64_IMM14
,
2899 BFD_RELOC_IA64_IMM22
,
2900 BFD_RELOC_IA64_IMM64
,
2901 BFD_RELOC_IA64_DIR32MSB
,
2902 BFD_RELOC_IA64_DIR32LSB
,
2903 BFD_RELOC_IA64_DIR64MSB
,
2904 BFD_RELOC_IA64_DIR64LSB
,
2905 BFD_RELOC_IA64_GPREL22
,
2906 BFD_RELOC_IA64_GPREL64I
,
2907 BFD_RELOC_IA64_GPREL32MSB
,
2908 BFD_RELOC_IA64_GPREL32LSB
,
2909 BFD_RELOC_IA64_GPREL64MSB
,
2910 BFD_RELOC_IA64_GPREL64LSB
,
2911 BFD_RELOC_IA64_LTOFF22
,
2912 BFD_RELOC_IA64_LTOFF64I
,
2913 BFD_RELOC_IA64_PLTOFF22
,
2914 BFD_RELOC_IA64_PLTOFF64I
,
2915 BFD_RELOC_IA64_PLTOFF64MSB
,
2916 BFD_RELOC_IA64_PLTOFF64LSB
,
2917 BFD_RELOC_IA64_FPTR64I
,
2918 BFD_RELOC_IA64_FPTR32MSB
,
2919 BFD_RELOC_IA64_FPTR32LSB
,
2920 BFD_RELOC_IA64_FPTR64MSB
,
2921 BFD_RELOC_IA64_FPTR64LSB
,
2922 BFD_RELOC_IA64_PCREL21B
,
2923 BFD_RELOC_IA64_PCREL21BI
,
2924 BFD_RELOC_IA64_PCREL21M
,
2925 BFD_RELOC_IA64_PCREL21F
,
2926 BFD_RELOC_IA64_PCREL22
,
2927 BFD_RELOC_IA64_PCREL60B
,
2928 BFD_RELOC_IA64_PCREL64I
,
2929 BFD_RELOC_IA64_PCREL32MSB
,
2930 BFD_RELOC_IA64_PCREL32LSB
,
2931 BFD_RELOC_IA64_PCREL64MSB
,
2932 BFD_RELOC_IA64_PCREL64LSB
,
2933 BFD_RELOC_IA64_LTOFF_FPTR22
,
2934 BFD_RELOC_IA64_LTOFF_FPTR64I
,
2935 BFD_RELOC_IA64_LTOFF_FPTR32MSB
,
2936 BFD_RELOC_IA64_LTOFF_FPTR32LSB
,
2937 BFD_RELOC_IA64_LTOFF_FPTR64MSB
,
2938 BFD_RELOC_IA64_LTOFF_FPTR64LSB
,
2939 BFD_RELOC_IA64_SEGREL32MSB
,
2940 BFD_RELOC_IA64_SEGREL32LSB
,
2941 BFD_RELOC_IA64_SEGREL64MSB
,
2942 BFD_RELOC_IA64_SEGREL64LSB
,
2943 BFD_RELOC_IA64_SECREL32MSB
,
2944 BFD_RELOC_IA64_SECREL32LSB
,
2945 BFD_RELOC_IA64_SECREL64MSB
,
2946 BFD_RELOC_IA64_SECREL64LSB
,
2947 BFD_RELOC_IA64_REL32MSB
,
2948 BFD_RELOC_IA64_REL32LSB
,
2949 BFD_RELOC_IA64_REL64MSB
,
2950 BFD_RELOC_IA64_REL64LSB
,
2951 BFD_RELOC_IA64_LTV32MSB
,
2952 BFD_RELOC_IA64_LTV32LSB
,
2953 BFD_RELOC_IA64_LTV64MSB
,
2954 BFD_RELOC_IA64_LTV64LSB
,
2955 BFD_RELOC_IA64_IPLTMSB
,
2956 BFD_RELOC_IA64_IPLTLSB
,
2957 BFD_RELOC_IA64_COPY
,
2958 BFD_RELOC_IA64_LTOFF22X
,
2959 BFD_RELOC_IA64_LDXMOV
,
2960 BFD_RELOC_IA64_TPREL14
,
2961 BFD_RELOC_IA64_TPREL22
,
2962 BFD_RELOC_IA64_TPREL64I
,
2963 BFD_RELOC_IA64_TPREL64MSB
,
2964 BFD_RELOC_IA64_TPREL64LSB
,
2965 BFD_RELOC_IA64_LTOFF_TPREL22
,
2966 BFD_RELOC_IA64_DTPMOD64MSB
,
2967 BFD_RELOC_IA64_DTPMOD64LSB
,
2968 BFD_RELOC_IA64_LTOFF_DTPMOD22
,
2969 BFD_RELOC_IA64_DTPREL14
,
2970 BFD_RELOC_IA64_DTPREL22
,
2971 BFD_RELOC_IA64_DTPREL64I
,
2972 BFD_RELOC_IA64_DTPREL32MSB
,
2973 BFD_RELOC_IA64_DTPREL32LSB
,
2974 BFD_RELOC_IA64_DTPREL64MSB
,
2975 BFD_RELOC_IA64_DTPREL64LSB
,
2976 BFD_RELOC_IA64_LTOFF_DTPREL22
,
2978 /* Motorola 68HC11 reloc.
2979 This is the 8 bits high part of an absolute address. */
2980 BFD_RELOC_M68HC11_HI8
,
2982 /* Motorola 68HC11 reloc.
2983 This is the 8 bits low part of an absolute address. */
2984 BFD_RELOC_M68HC11_LO8
,
2986 /* Motorola 68HC11 reloc.
2987 This is the 3 bits of a value. */
2988 BFD_RELOC_M68HC11_3B
,
2990 /* These relocs are only used within the CRIS assembler. They are not
2991 (at present) written to any object files. */
2992 BFD_RELOC_CRIS_BDISP8
,
2993 BFD_RELOC_CRIS_UNSIGNED_5
,
2994 BFD_RELOC_CRIS_SIGNED_6
,
2995 BFD_RELOC_CRIS_UNSIGNED_6
,
2996 BFD_RELOC_CRIS_UNSIGNED_4
,
2998 /* Relocs used in ELF shared libraries for CRIS. */
2999 BFD_RELOC_CRIS_COPY
,
3000 BFD_RELOC_CRIS_GLOB_DAT
,
3001 BFD_RELOC_CRIS_JUMP_SLOT
,
3002 BFD_RELOC_CRIS_RELATIVE
,
3004 /* 32-bit offset to symbol-entry within GOT. */
3005 BFD_RELOC_CRIS_32_GOT
,
3007 /* 16-bit offset to symbol-entry within GOT. */
3008 BFD_RELOC_CRIS_16_GOT
,
3010 /* 32-bit offset to symbol-entry within GOT, with PLT handling. */
3011 BFD_RELOC_CRIS_32_GOTPLT
,
3013 /* 16-bit offset to symbol-entry within GOT, with PLT handling. */
3014 BFD_RELOC_CRIS_16_GOTPLT
,
3016 /* 32-bit offset to symbol, relative to GOT. */
3017 BFD_RELOC_CRIS_32_GOTREL
,
3019 /* 32-bit offset to symbol with PLT entry, relative to GOT. */
3020 BFD_RELOC_CRIS_32_PLT_GOTREL
,
3022 /* 32-bit offset to symbol with PLT entry, relative to this relocation. */
3023 BFD_RELOC_CRIS_32_PLT_PCREL
,
3025 /* Intel i860 Relocations. */
3027 BFD_RELOC_860_GLOB_DAT
,
3028 BFD_RELOC_860_JUMP_SLOT
,
3029 BFD_RELOC_860_RELATIVE
,
3031 BFD_RELOC_860_PLT26
,
3034 BFD_RELOC_860_SPLIT0
,
3036 BFD_RELOC_860_SPLIT1
,
3038 BFD_RELOC_860_SPLIT2
,
3040 BFD_RELOC_860_LOGOT0
,
3041 BFD_RELOC_860_SPGOT0
,
3042 BFD_RELOC_860_LOGOT1
,
3043 BFD_RELOC_860_SPGOT1
,
3044 BFD_RELOC_860_LOGOTOFF0
,
3045 BFD_RELOC_860_SPGOTOFF0
,
3046 BFD_RELOC_860_LOGOTOFF1
,
3047 BFD_RELOC_860_SPGOTOFF1
,
3048 BFD_RELOC_860_LOGOTOFF2
,
3049 BFD_RELOC_860_LOGOTOFF3
,
3051 BFD_RELOC_860_HIGHADJ
,
3052 BFD_RELOC_860_HAGOT
,
3053 BFD_RELOC_860_HAGOTOFF
,
3056 BFD_RELOC_860_HIGOT
,
3057 BFD_RELOC_860_HIGOTOFF
,
3059 /* OpenRISC Relocations. */
3060 BFD_RELOC_OPENRISC_ABS_26
,
3061 BFD_RELOC_OPENRISC_REL_26
,
3063 /* H8 elf Relocations. */
3064 BFD_RELOC_H8_DIR16A8
,
3065 BFD_RELOC_H8_DIR16R8
,
3066 BFD_RELOC_H8_DIR24A8
,
3067 BFD_RELOC_H8_DIR24R8
,
3068 BFD_RELOC_H8_DIR32A16
,
3070 /* Sony Xstormy16 Relocations. */
3071 BFD_RELOC_XSTORMY16_REL_12
,
3072 BFD_RELOC_XSTORMY16_24
,
3073 BFD_RELOC_XSTORMY16_FPTR16
,
3075 /* Relocations used by VAX ELF. */
3076 BFD_RELOC_VAX_GLOB_DAT
,
3077 BFD_RELOC_VAX_JMP_SLOT
,
3078 BFD_RELOC_VAX_RELATIVE
,
3080 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type
;
3082 bfd_reloc_type_lookup
PARAMS ((bfd
*abfd
, bfd_reloc_code_real_type code
));
3085 bfd_get_reloc_code_name
PARAMS ((bfd_reloc_code_real_type code
));
3088 typedef struct symbol_cache_entry
3090 /* A pointer to the BFD which owns the symbol. This information
3091 is necessary so that a back end can work out what additional
3092 information (invisible to the application writer) is carried
3095 This field is *almost* redundant, since you can use section->owner
3096 instead, except that some symbols point to the global sections
3097 bfd_{abs,com,und}_section. This could be fixed by making
3098 these globals be per-bfd (or per-target-flavor). FIXME. */
3099 struct _bfd
*the_bfd
; /* Use bfd_asymbol_bfd(sym) to access this field. */
3101 /* The text of the symbol. The name is left alone, and not copied; the
3102 application may not alter it. */
3105 /* The value of the symbol. This really should be a union of a
3106 numeric value with a pointer, since some flags indicate that
3107 a pointer to another symbol is stored here. */
3110 /* Attributes of a symbol. */
3111 #define BSF_NO_FLAGS 0x00
3113 /* The symbol has local scope; <<static>> in <<C>>. The value
3114 is the offset into the section of the data. */
3115 #define BSF_LOCAL 0x01
3117 /* The symbol has global scope; initialized data in <<C>>. The
3118 value is the offset into the section of the data. */
3119 #define BSF_GLOBAL 0x02
3121 /* The symbol has global scope and is exported. The value is
3122 the offset into the section of the data. */
3123 #define BSF_EXPORT BSF_GLOBAL /* No real difference. */
3125 /* A normal C symbol would be one of:
3126 <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
3129 /* The symbol is a debugging record. The value has an arbitary
3130 meaning, unless BSF_DEBUGGING_RELOC is also set. */
3131 #define BSF_DEBUGGING 0x08
3133 /* The symbol denotes a function entry point. Used in ELF,
3134 perhaps others someday. */
3135 #define BSF_FUNCTION 0x10
3137 /* Used by the linker. */
3138 #define BSF_KEEP 0x20
3139 #define BSF_KEEP_G 0x40
3141 /* A weak global symbol, overridable without warnings by
3142 a regular global symbol of the same name. */
3143 #define BSF_WEAK 0x80
3145 /* This symbol was created to point to a section, e.g. ELF's
3146 STT_SECTION symbols. */
3147 #define BSF_SECTION_SYM 0x100
3149 /* The symbol used to be a common symbol, but now it is
3151 #define BSF_OLD_COMMON 0x200
3153 /* The default value for common data. */
3154 #define BFD_FORT_COMM_DEFAULT_VALUE 0
3156 /* In some files the type of a symbol sometimes alters its
3157 location in an output file - ie in coff a <<ISFCN>> symbol
3158 which is also <<C_EXT>> symbol appears where it was
3159 declared and not at the end of a section. This bit is set
3160 by the target BFD part to convey this information. */
3161 #define BSF_NOT_AT_END 0x400
3163 /* Signal that the symbol is the label of constructor section. */
3164 #define BSF_CONSTRUCTOR 0x800
3166 /* Signal that the symbol is a warning symbol. The name is a
3167 warning. The name of the next symbol is the one to warn about;
3168 if a reference is made to a symbol with the same name as the next
3169 symbol, a warning is issued by the linker. */
3170 #define BSF_WARNING 0x1000
3172 /* Signal that the symbol is indirect. This symbol is an indirect
3173 pointer to the symbol with the same name as the next symbol. */
3174 #define BSF_INDIRECT 0x2000
3176 /* BSF_FILE marks symbols that contain a file name. This is used
3177 for ELF STT_FILE symbols. */
3178 #define BSF_FILE 0x4000
3180 /* Symbol is from dynamic linking information. */
3181 #define BSF_DYNAMIC 0x8000
3183 /* The symbol denotes a data object. Used in ELF, and perhaps
3185 #define BSF_OBJECT 0x10000
3187 /* This symbol is a debugging symbol. The value is the offset
3188 into the section of the data. BSF_DEBUGGING should be set
3190 #define BSF_DEBUGGING_RELOC 0x20000
3192 /* This symbol is thread local. Used in ELF. */
3193 #define BSF_THREAD_LOCAL 0x40000
3197 /* A pointer to the section to which this symbol is
3198 relative. This will always be non NULL, there are special
3199 sections for undefined and absolute symbols. */
3200 struct sec
*section
;
3202 /* Back end special data. */
3212 #define bfd_get_symtab_upper_bound(abfd) \
3213 BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3216 bfd_is_local_label
PARAMS ((bfd
*abfd
, asymbol
*sym
));
3219 bfd_is_local_label_name
PARAMS ((bfd
*abfd
, const char *name
));
3221 #define bfd_is_local_label_name(abfd, name) \
3222 BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3224 #define bfd_canonicalize_symtab(abfd, location) \
3225 BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3229 bfd_set_symtab
PARAMS ((bfd
*abfd
, asymbol
**location
, unsigned int count
));
3232 bfd_print_symbol_vandf
PARAMS ((bfd
*abfd
, PTR file
, asymbol
*symbol
));
3234 #define bfd_make_empty_symbol(abfd) \
3235 BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3238 _bfd_generic_make_empty_symbol
PARAMS ((bfd
*));
3240 #define bfd_make_debug_symbol(abfd,ptr,size) \
3241 BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3244 bfd_decode_symclass
PARAMS ((asymbol
*symbol
));
3247 bfd_is_undefined_symclass
PARAMS ((int symclass
));
3250 bfd_symbol_info
PARAMS ((asymbol
*symbol
, symbol_info
*ret
));
3253 bfd_copy_private_symbol_data
PARAMS ((bfd
*ibfd
, asymbol
*isym
, bfd
*obfd
, asymbol
*osym
));
3255 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3256 BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3257 (ibfd, isymbol, obfd, osymbol))
3261 /* The filename the application opened the BFD with. */
3262 const char *filename
;
3264 /* A pointer to the target jump table. */
3265 const struct bfd_target
*xvec
;
3267 /* To avoid dragging too many header files into every file that
3268 includes `<<bfd.h>>', IOSTREAM has been declared as a "char *",
3269 and MTIME as a "long". Their correct types, to which they
3270 are cast when used, are "FILE *" and "time_t". The iostream
3271 is the result of an fopen on the filename. However, if the
3272 BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3273 to a bfd_in_memory struct. */
3276 /* Is the file descriptor being cached? That is, can it be closed as
3277 needed, and re-opened when accessed later? */
3280 /* Marks whether there was a default target specified when the
3281 BFD was opened. This is used to select which matching algorithm
3282 to use to choose the back end. */
3283 boolean target_defaulted
;
3285 /* The caching routines use these to maintain a
3286 least-recently-used list of BFDs. */
3287 struct _bfd
*lru_prev
, *lru_next
;
3289 /* When a file is closed by the caching routines, BFD retains
3290 state information on the file here... */
3293 /* ... and here: (``once'' means at least once). */
3294 boolean opened_once
;
3296 /* Set if we have a locally maintained mtime value, rather than
3297 getting it from the file each time. */
3300 /* File modified time, if mtime_set is true. */
3303 /* Reserved for an unimplemented file locking extension. */
3306 /* The format which belongs to the BFD. (object, core, etc.) */
3309 /* The direction with which the BFD was opened. */
3314 write_direction
= 2,
3319 /* Format_specific flags. */
3322 /* Currently my_archive is tested before adding origin to
3323 anything. I believe that this can become always an add of
3324 origin, with origin set to 0 for non archive files. */
3327 /* Remember when output has begun, to stop strange things
3329 boolean output_has_begun
;
3331 /* A hash table for section names. */
3332 struct bfd_hash_table section_htab
;
3334 /* Pointer to linked list of sections. */
3335 struct sec
*sections
;
3337 /* The place where we add to the section list. */
3338 struct sec
**section_tail
;
3340 /* The number of sections. */
3341 unsigned int section_count
;
3343 /* Stuff only useful for object files:
3344 The start address. */
3345 bfd_vma start_address
;
3347 /* Used for input and output. */
3348 unsigned int symcount
;
3350 /* Symbol table for output BFD (with symcount entries). */
3351 struct symbol_cache_entry
**outsymbols
;
3353 /* Pointer to structure which contains architecture information. */
3354 const struct bfd_arch_info
*arch_info
;
3356 /* Stuff only useful for archives. */
3358 struct _bfd
*my_archive
; /* The containing archive BFD. */
3359 struct _bfd
*next
; /* The next BFD in the archive. */
3360 struct _bfd
*archive_head
; /* The first BFD in the archive. */
3363 /* A chain of BFD structures involved in a link. */
3364 struct _bfd
*link_next
;
3366 /* A field used by _bfd_generic_link_add_archive_symbols. This will
3367 be used only for archive elements. */
3370 /* Used by the back end to hold private data. */
3373 struct aout_data_struct
*aout_data
;
3374 struct artdata
*aout_ar_data
;
3375 struct _oasys_data
*oasys_obj_data
;
3376 struct _oasys_ar_data
*oasys_ar_data
;
3377 struct coff_tdata
*coff_obj_data
;
3378 struct pe_tdata
*pe_obj_data
;
3379 struct xcoff_tdata
*xcoff_obj_data
;
3380 struct ecoff_tdata
*ecoff_obj_data
;
3381 struct ieee_data_struct
*ieee_data
;
3382 struct ieee_ar_data_struct
*ieee_ar_data
;
3383 struct srec_data_struct
*srec_data
;
3384 struct ihex_data_struct
*ihex_data
;
3385 struct tekhex_data_struct
*tekhex_data
;
3386 struct elf_obj_tdata
*elf_obj_data
;
3387 struct nlm_obj_tdata
*nlm_obj_data
;
3388 struct bout_data_struct
*bout_data
;
3389 struct mmo_data_struct
*mmo_data
;
3390 struct sun_core_struct
*sun_core_data
;
3391 struct sco5_core_struct
*sco5_core_data
;
3392 struct trad_core_struct
*trad_core_data
;
3393 struct som_data_struct
*som_data
;
3394 struct hpux_core_struct
*hpux_core_data
;
3395 struct hppabsd_core_struct
*hppabsd_core_data
;
3396 struct sgi_core_struct
*sgi_core_data
;
3397 struct lynx_core_struct
*lynx_core_data
;
3398 struct osf_core_struct
*osf_core_data
;
3399 struct cisco_core_struct
*cisco_core_data
;
3400 struct versados_data_struct
*versados_data
;
3401 struct netbsd_core_struct
*netbsd_core_data
;
3406 /* Used by the application to hold private data. */
3409 /* Where all the allocated stuff under this BFD goes. This is a
3410 struct objalloc *, but we use PTR to avoid requiring the inclusion of
3415 typedef enum bfd_error
3417 bfd_error_no_error
= 0,
3418 bfd_error_system_call
,
3419 bfd_error_invalid_target
,
3420 bfd_error_wrong_format
,
3421 bfd_error_wrong_object_format
,
3422 bfd_error_invalid_operation
,
3423 bfd_error_no_memory
,
3424 bfd_error_no_symbols
,
3426 bfd_error_no_more_archived_files
,
3427 bfd_error_malformed_archive
,
3428 bfd_error_file_not_recognized
,
3429 bfd_error_file_ambiguously_recognized
,
3430 bfd_error_no_contents
,
3431 bfd_error_nonrepresentable_section
,
3432 bfd_error_no_debug_section
,
3433 bfd_error_bad_value
,
3434 bfd_error_file_truncated
,
3435 bfd_error_file_too_big
,
3436 bfd_error_invalid_error_code
3441 bfd_get_error
PARAMS ((void));
3444 bfd_set_error
PARAMS ((bfd_error_type error_tag
));
3447 bfd_errmsg
PARAMS ((bfd_error_type error_tag
));
3450 bfd_perror
PARAMS ((const char *message
));
3452 typedef void (*bfd_error_handler_type
) PARAMS ((const char *, ...));
3454 bfd_error_handler_type
3455 bfd_set_error_handler
PARAMS ((bfd_error_handler_type
));
3458 bfd_set_error_program_name
PARAMS ((const char *));
3460 bfd_error_handler_type
3461 bfd_get_error_handler
PARAMS ((void));
3464 bfd_archive_filename
PARAMS ((bfd
*));
3467 bfd_get_reloc_upper_bound
PARAMS ((bfd
*abfd
, asection
*sect
));
3470 bfd_canonicalize_reloc
PARAMS ((bfd
*abfd
,
3476 bfd_set_reloc
PARAMS ((bfd
*abfd
, asection
*sec
, arelent
**rel
, unsigned int count
));
3479 bfd_set_file_flags
PARAMS ((bfd
*abfd
, flagword flags
));
3482 bfd_get_arch_size
PARAMS ((bfd
*abfd
));
3485 bfd_get_sign_extend_vma
PARAMS ((bfd
*abfd
));
3488 bfd_set_start_address
PARAMS ((bfd
*abfd
, bfd_vma vma
));
3491 bfd_get_mtime
PARAMS ((bfd
*abfd
));
3494 bfd_get_size
PARAMS ((bfd
*abfd
));
3497 bfd_get_gp_size
PARAMS ((bfd
*abfd
));
3500 bfd_set_gp_size
PARAMS ((bfd
*abfd
, unsigned int i
));
3503 bfd_scan_vma
PARAMS ((const char *string
, const char **end
, int base
));
3506 bfd_copy_private_bfd_data
PARAMS ((bfd
*ibfd
, bfd
*obfd
));
3508 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3509 BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3512 bfd_merge_private_bfd_data
PARAMS ((bfd
*ibfd
, bfd
*obfd
));
3514 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3515 BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3518 bfd_set_private_flags
PARAMS ((bfd
*abfd
, flagword flags
));
3520 #define bfd_set_private_flags(abfd, flags) \
3521 BFD_SEND (abfd, _bfd_set_private_flags, \
3523 #define bfd_sizeof_headers(abfd, reloc) \
3524 BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3526 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3527 BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line))
3529 /* Do these three do anything useful at all, for any back end? */
3530 #define bfd_debug_info_start(abfd) \
3531 BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3533 #define bfd_debug_info_end(abfd) \
3534 BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3536 #define bfd_debug_info_accumulate(abfd, section) \
3537 BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3540 #define bfd_stat_arch_elt(abfd, stat) \
3541 BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3543 #define bfd_update_armap_timestamp(abfd) \
3544 BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3546 #define bfd_set_arch_mach(abfd, arch, mach)\
3547 BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3549 #define bfd_relax_section(abfd, section, link_info, again) \
3550 BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3552 #define bfd_gc_sections(abfd, link_info) \
3553 BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3555 #define bfd_merge_sections(abfd, link_info) \
3556 BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3558 #define bfd_link_hash_table_create(abfd) \
3559 BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3561 #define bfd_link_hash_table_free(abfd, hash) \
3562 BFD_SEND (abfd, _bfd_link_hash_table_free, (hash))
3564 #define bfd_link_add_symbols(abfd, info) \
3565 BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3567 #define bfd_link_just_syms(sec, info) \
3568 BFD_SEND (abfd, _bfd_link_just_syms, (sec, info))
3570 #define bfd_final_link(abfd, info) \
3571 BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3573 #define bfd_free_cached_info(abfd) \
3574 BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3576 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3577 BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3579 #define bfd_print_private_bfd_data(abfd, file)\
3580 BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3582 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3583 BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3585 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3586 BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3588 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3589 BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3591 extern bfd_byte
*bfd_get_relocated_section_contents
3592 PARAMS ((bfd
*, struct bfd_link_info
*,
3593 struct bfd_link_order
*, bfd_byte
*,
3594 boolean
, asymbol
**));
3597 bfd_alt_mach_code
PARAMS ((bfd
*abfd
, int index
));
3600 bfd_get_next_mapent
PARAMS ((bfd
*abfd
, symindex previous
, carsym
**sym
));
3603 bfd_set_archive_head
PARAMS ((bfd
*output
, bfd
*new_head
));
3606 bfd_openr_next_archived_file
PARAMS ((bfd
*archive
, bfd
*previous
));
3609 bfd_core_file_failing_command
PARAMS ((bfd
*abfd
));
3612 bfd_core_file_failing_signal
PARAMS ((bfd
*abfd
));
3615 core_file_matches_executable_p
PARAMS ((bfd
*core_bfd
, bfd
*exec_bfd
));
3617 #define BFD_SEND(bfd, message, arglist) \
3618 ((*((bfd)->xvec->message)) arglist)
3620 #ifdef DEBUG_BFD_SEND
3622 #define BFD_SEND(bfd, message, arglist) \
3623 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3624 ((*((bfd)->xvec->message)) arglist) : \
3625 (bfd_assert (__FILE__,__LINE__), NULL))
3627 #define BFD_SEND_FMT(bfd, message, arglist) \
3628 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3630 #ifdef DEBUG_BFD_SEND
3632 #define BFD_SEND_FMT(bfd, message, arglist) \
3633 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3634 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3635 (bfd_assert (__FILE__,__LINE__), NULL))
3640 bfd_target_unknown_flavour
,
3641 bfd_target_aout_flavour
,
3642 bfd_target_coff_flavour
,
3643 bfd_target_ecoff_flavour
,
3644 bfd_target_xcoff_flavour
,
3645 bfd_target_elf_flavour
,
3646 bfd_target_ieee_flavour
,
3647 bfd_target_nlm_flavour
,
3648 bfd_target_oasys_flavour
,
3649 bfd_target_tekhex_flavour
,
3650 bfd_target_srec_flavour
,
3651 bfd_target_ihex_flavour
,
3652 bfd_target_som_flavour
,
3653 bfd_target_os9k_flavour
,
3654 bfd_target_versados_flavour
,
3655 bfd_target_msdos_flavour
,
3656 bfd_target_ovax_flavour
,
3657 bfd_target_evax_flavour
,
3658 bfd_target_mmo_flavour
3661 enum bfd_endian
{ BFD_ENDIAN_BIG
, BFD_ENDIAN_LITTLE
, BFD_ENDIAN_UNKNOWN
};
3663 /* Forward declaration. */
3664 typedef struct bfd_link_info _bfd_link_info
;
3666 typedef struct bfd_target
3668 /* Identifies the kind of target, e.g., SunOS4, Ultrix, etc. */
3671 /* The "flavour" of a back end is a general indication about
3672 the contents of a file. */
3673 enum bfd_flavour flavour
;
3675 /* The order of bytes within the data area of a file. */
3676 enum bfd_endian byteorder
;
3678 /* The order of bytes within the header parts of a file. */
3679 enum bfd_endian header_byteorder
;
3681 /* A mask of all the flags which an executable may have set -
3682 from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>. */
3683 flagword object_flags
;
3685 /* A mask of all the flags which a section may have set - from
3686 the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>. */
3687 flagword section_flags
;
3689 /* The character normally found at the front of a symbol.
3690 (if any), perhaps `_'. */
3691 char symbol_leading_char
;
3693 /* The pad character for file names within an archive header. */
3696 /* The maximum number of characters in an archive header. */
3697 unsigned short ar_max_namelen
;
3699 /* Entries for byte swapping for data. These are different from the
3700 other entry points, since they don't take a BFD asthe first argument.
3701 Certain other handlers could do the same. */
3702 bfd_vma (*bfd_getx64
) PARAMS ((const bfd_byte
*));
3703 bfd_signed_vma (*bfd_getx_signed_64
) PARAMS ((const bfd_byte
*));
3704 void (*bfd_putx64
) PARAMS ((bfd_vma
, bfd_byte
*));
3705 bfd_vma (*bfd_getx32
) PARAMS ((const bfd_byte
*));
3706 bfd_signed_vma (*bfd_getx_signed_32
) PARAMS ((const bfd_byte
*));
3707 void (*bfd_putx32
) PARAMS ((bfd_vma
, bfd_byte
*));
3708 bfd_vma (*bfd_getx16
) PARAMS ((const bfd_byte
*));
3709 bfd_signed_vma (*bfd_getx_signed_16
) PARAMS ((const bfd_byte
*));
3710 void (*bfd_putx16
) PARAMS ((bfd_vma
, bfd_byte
*));
3712 /* Byte swapping for the headers. */
3713 bfd_vma (*bfd_h_getx64
) PARAMS ((const bfd_byte
*));
3714 bfd_signed_vma (*bfd_h_getx_signed_64
) PARAMS ((const bfd_byte
*));
3715 void (*bfd_h_putx64
) PARAMS ((bfd_vma
, bfd_byte
*));
3716 bfd_vma (*bfd_h_getx32
) PARAMS ((const bfd_byte
*));
3717 bfd_signed_vma (*bfd_h_getx_signed_32
) PARAMS ((const bfd_byte
*));
3718 void (*bfd_h_putx32
) PARAMS ((bfd_vma
, bfd_byte
*));
3719 bfd_vma (*bfd_h_getx16
) PARAMS ((const bfd_byte
*));
3720 bfd_signed_vma (*bfd_h_getx_signed_16
) PARAMS ((const bfd_byte
*));
3721 void (*bfd_h_putx16
) PARAMS ((bfd_vma
, bfd_byte
*));
3723 /* Format dependent routines: these are vectors of entry points
3724 within the target vector structure, one for each format to check. */
3726 /* Check the format of a file being read. Return a <<bfd_target *>> or zero. */
3727 const struct bfd_target
*(*_bfd_check_format
[bfd_type_end
]) PARAMS ((bfd
*));
3729 /* Set the format of a file being written. */
3730 boolean (*_bfd_set_format
[bfd_type_end
]) PARAMS ((bfd
*));
3732 /* Write cached information into a file being written, at <<bfd_close>>. */
3733 boolean (*_bfd_write_contents
[bfd_type_end
]) PARAMS ((bfd
*));
3736 /* Generic entry points. */
3737 #define BFD_JUMP_TABLE_GENERIC(NAME) \
3738 CONCAT2 (NAME,_close_and_cleanup), \
3739 CONCAT2 (NAME,_bfd_free_cached_info), \
3740 CONCAT2 (NAME,_new_section_hook), \
3741 CONCAT2 (NAME,_get_section_contents), \
3742 CONCAT2 (NAME,_get_section_contents_in_window)
3744 /* Called when the BFD is being closed to do any necessary cleanup. */
3745 boolean (*_close_and_cleanup
) PARAMS ((bfd
*));
3746 /* Ask the BFD to free all cached information. */
3747 boolean (*_bfd_free_cached_info
) PARAMS ((bfd
*));
3748 /* Called when a new section is created. */
3749 boolean (*_new_section_hook
) PARAMS ((bfd
*, sec_ptr
));
3750 /* Read the contents of a section. */
3751 boolean (*_bfd_get_section_contents
) PARAMS ((bfd
*, sec_ptr
, PTR
,
3752 file_ptr
, bfd_size_type
));
3753 boolean (*_bfd_get_section_contents_in_window
)
3754 PARAMS ((bfd
*, sec_ptr
, bfd_window
*, file_ptr
, bfd_size_type
));
3756 /* Entry points to copy private data. */
3757 #define BFD_JUMP_TABLE_COPY(NAME) \
3758 CONCAT2 (NAME,_bfd_copy_private_bfd_data), \
3759 CONCAT2 (NAME,_bfd_merge_private_bfd_data), \
3760 CONCAT2 (NAME,_bfd_copy_private_section_data), \
3761 CONCAT2 (NAME,_bfd_copy_private_symbol_data), \
3762 CONCAT2 (NAME,_bfd_set_private_flags), \
3763 CONCAT2 (NAME,_bfd_print_private_bfd_data) \
3764 /* Called to copy BFD general private data from one object file
3766 boolean (*_bfd_copy_private_bfd_data
) PARAMS ((bfd
*, bfd
*));
3767 /* Called to merge BFD general private data from one object file
3768 to a common output file when linking. */
3769 boolean (*_bfd_merge_private_bfd_data
) PARAMS ((bfd
*, bfd
*));
3770 /* Called to copy BFD private section data from one object file
3772 boolean (*_bfd_copy_private_section_data
) PARAMS ((bfd
*, sec_ptr
,
3774 /* Called to copy BFD private symbol data from one symbol
3776 boolean (*_bfd_copy_private_symbol_data
) PARAMS ((bfd
*, asymbol
*,
3778 /* Called to set private backend flags. */
3779 boolean (*_bfd_set_private_flags
) PARAMS ((bfd
*, flagword
));
3781 /* Called to print private BFD data. */
3782 boolean (*_bfd_print_private_bfd_data
) PARAMS ((bfd
*, PTR
));
3784 /* Core file entry points. */
3785 #define BFD_JUMP_TABLE_CORE(NAME) \
3786 CONCAT2 (NAME,_core_file_failing_command), \
3787 CONCAT2 (NAME,_core_file_failing_signal), \
3788 CONCAT2 (NAME,_core_file_matches_executable_p)
3789 char * (*_core_file_failing_command
) PARAMS ((bfd
*));
3790 int (*_core_file_failing_signal
) PARAMS ((bfd
*));
3791 boolean (*_core_file_matches_executable_p
) PARAMS ((bfd
*, bfd
*));
3793 /* Archive entry points. */
3794 #define BFD_JUMP_TABLE_ARCHIVE(NAME) \
3795 CONCAT2 (NAME,_slurp_armap), \
3796 CONCAT2 (NAME,_slurp_extended_name_table), \
3797 CONCAT2 (NAME,_construct_extended_name_table), \
3798 CONCAT2 (NAME,_truncate_arname), \
3799 CONCAT2 (NAME,_write_armap), \
3800 CONCAT2 (NAME,_read_ar_hdr), \
3801 CONCAT2 (NAME,_openr_next_archived_file), \
3802 CONCAT2 (NAME,_get_elt_at_index), \
3803 CONCAT2 (NAME,_generic_stat_arch_elt), \
3804 CONCAT2 (NAME,_update_armap_timestamp)
3805 boolean (*_bfd_slurp_armap
) PARAMS ((bfd
*));
3806 boolean (*_bfd_slurp_extended_name_table
) PARAMS ((bfd
*));
3807 boolean (*_bfd_construct_extended_name_table
)
3808 PARAMS ((bfd
*, char **, bfd_size_type
*, const char **));
3809 void (*_bfd_truncate_arname
) PARAMS ((bfd
*, const char *, char *));
3810 boolean (*write_armap
)
3811 PARAMS ((bfd
*, unsigned int, struct orl
*, unsigned int, int));
3812 PTR (*_bfd_read_ar_hdr_fn
) PARAMS ((bfd
*));
3813 bfd
* (*openr_next_archived_file
) PARAMS ((bfd
*, bfd
*));
3814 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3815 bfd
* (*_bfd_get_elt_at_index
) PARAMS ((bfd
*, symindex
));
3816 int (*_bfd_stat_arch_elt
) PARAMS ((bfd
*, struct stat
*));
3817 boolean (*_bfd_update_armap_timestamp
) PARAMS ((bfd
*));
3819 /* Entry points used for symbols. */
3820 #define BFD_JUMP_TABLE_SYMBOLS(NAME) \
3821 CONCAT2 (NAME,_get_symtab_upper_bound), \
3822 CONCAT2 (NAME,_get_symtab), \
3823 CONCAT2 (NAME,_make_empty_symbol), \
3824 CONCAT2 (NAME,_print_symbol), \
3825 CONCAT2 (NAME,_get_symbol_info), \
3826 CONCAT2 (NAME,_bfd_is_local_label_name), \
3827 CONCAT2 (NAME,_get_lineno), \
3828 CONCAT2 (NAME,_find_nearest_line), \
3829 CONCAT2 (NAME,_bfd_make_debug_symbol), \
3830 CONCAT2 (NAME,_read_minisymbols), \
3831 CONCAT2 (NAME,_minisymbol_to_symbol)
3832 long (*_bfd_get_symtab_upper_bound
) PARAMS ((bfd
*));
3833 long (*_bfd_canonicalize_symtab
) PARAMS ((bfd
*,
3834 struct symbol_cache_entry
**));
3835 struct symbol_cache_entry
*
3836 (*_bfd_make_empty_symbol
) PARAMS ((bfd
*));
3837 void (*_bfd_print_symbol
) PARAMS ((bfd
*, PTR
,
3838 struct symbol_cache_entry
*,
3839 bfd_print_symbol_type
));
3840 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3841 void (*_bfd_get_symbol_info
) PARAMS ((bfd
*,
3842 struct symbol_cache_entry
*,
3844 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3845 boolean (*_bfd_is_local_label_name
) PARAMS ((bfd
*, const char *));
3847 alent
* (*_get_lineno
) PARAMS ((bfd
*, struct symbol_cache_entry
*));
3848 boolean (*_bfd_find_nearest_line
)
3849 PARAMS ((bfd
*, struct sec
*, struct symbol_cache_entry
**, bfd_vma
,
3850 const char **, const char **, unsigned int *));
3851 /* Back-door to allow format-aware applications to create debug symbols
3852 while using BFD for everything else. Currently used by the assembler
3853 when creating COFF files. */
3854 asymbol
*(*_bfd_make_debug_symbol
) PARAMS ((bfd
*, void *,
3855 unsigned long size
));
3856 #define bfd_read_minisymbols(b, d, m, s) \
3857 BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3858 long (*_read_minisymbols
) PARAMS ((bfd
*, boolean
, PTR
*,
3860 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3861 BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3862 asymbol
*(*_minisymbol_to_symbol
) PARAMS ((bfd
*, boolean
, const PTR
,
3865 /* Routines for relocs. */
3866 #define BFD_JUMP_TABLE_RELOCS(NAME) \
3867 CONCAT2 (NAME,_get_reloc_upper_bound), \
3868 CONCAT2 (NAME,_canonicalize_reloc), \
3869 CONCAT2 (NAME,_bfd_reloc_type_lookup)
3870 long (*_get_reloc_upper_bound
) PARAMS ((bfd
*, sec_ptr
));
3871 long (*_bfd_canonicalize_reloc
) PARAMS ((bfd
*, sec_ptr
, arelent
**,
3872 struct symbol_cache_entry
**));
3873 /* See documentation on reloc types. */
3875 (*reloc_type_lookup
) PARAMS ((bfd
*, bfd_reloc_code_real_type
));
3877 /* Routines used when writing an object file. */
3878 #define BFD_JUMP_TABLE_WRITE(NAME) \
3879 CONCAT2 (NAME,_set_arch_mach), \
3880 CONCAT2 (NAME,_set_section_contents)
3881 boolean (*_bfd_set_arch_mach
) PARAMS ((bfd
*, enum bfd_architecture
,
3883 boolean (*_bfd_set_section_contents
) PARAMS ((bfd
*, sec_ptr
, PTR
,
3884 file_ptr
, bfd_size_type
));
3886 /* Routines used by the linker. */
3887 #define BFD_JUMP_TABLE_LINK(NAME) \
3888 CONCAT2 (NAME,_sizeof_headers), \
3889 CONCAT2 (NAME,_bfd_get_relocated_section_contents), \
3890 CONCAT2 (NAME,_bfd_relax_section), \
3891 CONCAT2 (NAME,_bfd_link_hash_table_create), \
3892 CONCAT2 (NAME,_bfd_link_hash_table_free), \
3893 CONCAT2 (NAME,_bfd_link_add_symbols), \
3894 CONCAT2 (NAME,_bfd_link_just_syms), \
3895 CONCAT2 (NAME,_bfd_final_link), \
3896 CONCAT2 (NAME,_bfd_link_split_section), \
3897 CONCAT2 (NAME,_bfd_gc_sections), \
3898 CONCAT2 (NAME,_bfd_merge_sections)
3899 int (*_bfd_sizeof_headers
) PARAMS ((bfd
*, boolean
));
3900 bfd_byte
*(*_bfd_get_relocated_section_contents
)
3901 PARAMS ((bfd
*, struct bfd_link_info
*, struct bfd_link_order
*,
3902 bfd_byte
*, boolean
, struct symbol_cache_entry
**));
3904 boolean (*_bfd_relax_section
)
3905 PARAMS ((bfd
*, struct sec
*, struct bfd_link_info
*, boolean
*));
3907 /* Create a hash table for the linker. Different backends store
3908 different information in this table. */
3909 struct bfd_link_hash_table
*(*_bfd_link_hash_table_create
) PARAMS ((bfd
*));
3911 /* Release the memory associated with the linker hash table. */
3912 void (*_bfd_link_hash_table_free
) PARAMS ((struct bfd_link_hash_table
*));
3914 /* Add symbols from this object file into the hash table. */
3915 boolean (*_bfd_link_add_symbols
) PARAMS ((bfd
*, struct bfd_link_info
*));
3917 /* Indicate that we are only retrieving symbol values from this section. */
3918 void (*_bfd_link_just_syms
) PARAMS ((asection
*, struct bfd_link_info
*));
3920 /* Do a link based on the link_order structures attached to each
3921 section of the BFD. */
3922 boolean (*_bfd_final_link
) PARAMS ((bfd
*, struct bfd_link_info
*));
3924 /* Should this section be split up into smaller pieces during linking. */
3925 boolean (*_bfd_link_split_section
) PARAMS ((bfd
*, struct sec
*));
3927 /* Remove sections that are not referenced from the output. */
3928 boolean (*_bfd_gc_sections
) PARAMS ((bfd
*, struct bfd_link_info
*));
3930 /* Attempt to merge SEC_MERGE sections. */
3931 boolean (*_bfd_merge_sections
) PARAMS ((bfd
*, struct bfd_link_info
*));
3933 /* Routines to handle dynamic symbols and relocs. */
3934 #define BFD_JUMP_TABLE_DYNAMIC(NAME) \
3935 CONCAT2 (NAME,_get_dynamic_symtab_upper_bound), \
3936 CONCAT2 (NAME,_canonicalize_dynamic_symtab), \
3937 CONCAT2 (NAME,_get_dynamic_reloc_upper_bound), \
3938 CONCAT2 (NAME,_canonicalize_dynamic_reloc)
3939 /* Get the amount of memory required to hold the dynamic symbols. */
3940 long (*_bfd_get_dynamic_symtab_upper_bound
) PARAMS ((bfd
*));
3941 /* Read in the dynamic symbols. */
3942 long (*_bfd_canonicalize_dynamic_symtab
)
3943 PARAMS ((bfd
*, struct symbol_cache_entry
**));
3944 /* Get the amount of memory required to hold the dynamic relocs. */
3945 long (*_bfd_get_dynamic_reloc_upper_bound
) PARAMS ((bfd
*));
3946 /* Read in the dynamic relocs. */
3947 long (*_bfd_canonicalize_dynamic_reloc
)
3948 PARAMS ((bfd
*, arelent
**, struct symbol_cache_entry
**));
3950 /* Opposite endian version of this target. */
3951 const struct bfd_target
* alternative_target
;
3953 /* Data for use by back-end routines, which isn't
3954 generic enough to belong in this structure. */
3960 bfd_set_default_target
PARAMS ((const char *name
));
3963 bfd_find_target
PARAMS ((const char *target_name
, bfd
*abfd
));
3966 bfd_target_list
PARAMS ((void));
3969 bfd_search_for_target
PARAMS ((int (* search_func
) (const bfd_target
*, void *), void *));
3972 bfd_check_format
PARAMS ((bfd
*abfd
, bfd_format format
));
3975 bfd_check_format_matches
PARAMS ((bfd
*abfd
, bfd_format format
, char ***matching
));
3978 bfd_set_format
PARAMS ((bfd
*abfd
, bfd_format format
));
3981 bfd_format_string
PARAMS ((bfd_format format
));