1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically
2 generated from "bfd-in.h", "init.c", "opncls.c", "libbfd.c",
3 "section.c", "archures.c", "reloc.c", "syms.c", "bfd.c", "archive.c",
4 "corefile.c", "targets.c" and "format.c".
5 Run "make headers" in your build bfd/ to regenerate. */
7 /* Main header file for the bfd library -- portable access to object files.
8 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
10 Free Software Foundation, Inc.
11 Contributed by Cygnus Support.
13 This file is part of BFD, the Binary File Descriptor library.
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 2 of the License, or
18 (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 #ifndef __BFD_H_SEEN__
30 #define __BFD_H_SEEN__
38 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
40 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
41 The problem is, "32_" is not a valid preprocessing token, and we don't
42 want extra underscores (e.g., "nlm_32_"). The XCONCAT2 macro will
43 cause the inner CONCAT2 macros to be evaluated first, producing
44 still-valid pp-tokens. Then the final concatenation can be done. */
46 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
50 #define BFD_VERSION @bfd_version@
51 #define BFD_VERSION_DATE @bfd_version_date@
52 #define BFD_VERSION_STRING @bfd_version_string@
54 /* The word size used by BFD on the host. This may be 64 with a 32
55 bit target if the host is 64 bit, or if other 64 bit targets have
56 been selected with --enable-targets, or if --enable-64-bit-bfd. */
57 #define BFD_ARCH_SIZE @wordsize@
59 /* The word size of the default bfd target. */
60 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
62 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
63 #if @BFD_HOST_64_BIT_DEFINED@
64 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
65 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
68 #if BFD_ARCH_SIZE >= 64
74 #define INLINE __inline__
80 /* forward declaration */
81 typedef struct _bfd bfd;
83 /* To squelch erroneous compiler warnings ("illegal pointer
84 combination") from the SVR3 compiler, we would like to typedef
85 boolean to int (it doesn't like functions which return boolean.
86 Making sure they are never implicitly declared to return int
87 doesn't seem to help). But this file is not configured based on
89 /* General rules: functions which are boolean return true on success
90 and false on failure (unless they're a predicate). -- bfd.doc */
91 /* I'm sure this is going to break something and someone is going to
92 force me to change it. */
93 /* typedef enum boolean {false, true} boolean; */
94 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h> -fnf */
95 /* It gets worse if the host also defines a true/false enum... -sts */
96 /* And even worse if your compiler has built-in boolean types... -law */
97 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
98 #define TRUE_FALSE_ALREADY_DEFINED
101 /* Pre-emptive strike - get the file with the enum. */
103 #define TRUE_FALSE_ALREADY_DEFINED
105 #ifndef TRUE_FALSE_ALREADY_DEFINED
106 typedef enum bfd_boolean {false, true} boolean;
107 #define BFD_TRUE_FALSE
109 /* Use enum names that will appear nowhere else. */
110 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
113 /* Support for different sizes of target format ints and addresses.
114 If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
115 set to 1 above. Otherwise, if gcc is being used, this code will
116 use gcc's "long long" type. Otherwise, BFD_HOST_64_BIT must be
119 #ifndef BFD_HOST_64_BIT
120 # if BFD_HOST_64BIT_LONG
121 # define BFD_HOST_64_BIT long
122 # define BFD_HOST_U_64_BIT unsigned long
126 # define BFD_HOST_64_BIT long long
127 # define BFD_HOST_U_64_BIT unsigned long long
128 # endif /* __GNUC__ >= 2 */
129 # endif /* ! defined (__GNUC__) */
130 # endif /* ! BFD_HOST_64BIT_LONG */
131 #endif /* ! defined (BFD_HOST_64_BIT) */
135 #ifndef BFD_HOST_64_BIT
136 #error No 64 bit integer type available
137 #endif /* ! defined (BFD_HOST_64_BIT) */
139 typedef BFD_HOST_U_64_BIT bfd_vma;
140 typedef BFD_HOST_64_BIT bfd_signed_vma;
141 typedef BFD_HOST_U_64_BIT bfd_size_type;
142 typedef BFD_HOST_U_64_BIT symvalue;
145 #if BFD_HOST_64BIT_LONG
146 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
147 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
149 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
150 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
151 #define fprintf_vma(s,x) \
152 fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
153 #define sprintf_vma(s,x) \
154 sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
158 #else /* not BFD64 */
160 /* Represent a target address. Also used as a generic unsigned type
161 which is guaranteed to be big enough to hold any arithmetic types
162 we need to deal with. */
163 typedef unsigned long bfd_vma;
165 /* A generic signed type which is guaranteed to be big enough to hold any
166 arithmetic types we need to deal with. Can be assumed to be compatible
167 with bfd_vma in the same way that signed and unsigned ints are compatible
168 (as parameters, in assignment, etc). */
169 typedef long bfd_signed_vma;
171 typedef unsigned long symvalue;
172 typedef unsigned long bfd_size_type;
174 /* Print a bfd_vma x on stream s. */
175 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
176 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
178 #endif /* not BFD64 */
180 /* A pointer to a position in a file. */
181 /* FIXME: This should be using off_t from <sys/types.h>.
182 For now, try to avoid breaking stuff by not including <sys/types.h> here.
183 This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
184 Probably the best long-term answer is to avoid using file_ptr AND off_t
185 in this header file, and to handle this in the BFD implementation
186 rather than in its interface. */
187 /* typedef off_t file_ptr; */
188 typedef bfd_signed_vma file_ptr;
189 typedef bfd_vma ufile_ptr;
191 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
192 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
194 #define printf_vma(x) fprintf_vma(stdout,x)
195 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
197 typedef unsigned int flagword; /* 32 bits of flags */
198 typedef unsigned char bfd_byte;
202 typedef enum bfd_format {
203 bfd_unknown = 0, /* file format is unknown */
204 bfd_object, /* linker/assember/compiler output */
205 bfd_archive, /* object archive file */
206 bfd_core, /* core dump */
207 bfd_type_end} /* marks the end; don't use it! */
210 /* Values that may appear in the flags field of a BFD. These also
211 appear in the object_flags field of the bfd_target structure, where
212 they indicate the set of flags used by that backend (not all flags
213 are meaningful for all object file formats) (FIXME: at the moment,
214 the object_flags values have mostly just been copied from backend
215 to another, and are not necessarily correct). */
218 #define BFD_NO_FLAGS 0x00
220 /* BFD contains relocation entries. */
221 #define HAS_RELOC 0x01
223 /* BFD is directly executable. */
226 /* BFD has line number information (basically used for F_LNNO in a
228 #define HAS_LINENO 0x04
230 /* BFD has debugging information. */
231 #define HAS_DEBUG 0x08
233 /* BFD has symbols. */
234 #define HAS_SYMS 0x10
236 /* BFD has local symbols (basically used for F_LSYMS in a COFF
238 #define HAS_LOCALS 0x20
240 /* BFD is a dynamic object. */
243 /* Text section is write protected (if D_PAGED is not set, this is
244 like an a.out NMAGIC file) (the linker sets this by default, but
245 clears it for -r or -N). */
248 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
249 linker sets this by default, but clears it for -r or -n or -N). */
250 #define D_PAGED 0x100
252 /* BFD is relaxable (this means that bfd_relax_section may be able to
253 do something) (sometimes bfd_relax_section can do something even if
255 #define BFD_IS_RELAXABLE 0x200
257 /* This may be set before writing out a BFD to request using a
258 traditional format. For example, this is used to request that when
259 writing out an a.out object the symbols not be hashed to eliminate
261 #define BFD_TRADITIONAL_FORMAT 0x400
263 /* This flag indicates that the BFD contents are actually cached in
264 memory. If this is set, iostream points to a bfd_in_memory struct. */
265 #define BFD_IN_MEMORY 0x800
267 /* symbols and relocation */
269 /* A count of carsyms (canonical archive symbols). */
270 typedef unsigned long symindex;
272 /* How to perform a relocation. */
273 typedef const struct reloc_howto_struct reloc_howto_type;
275 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
277 /* General purpose part of a symbol X;
278 target specific parts are in libcoff.h, libaout.h, etc. */
280 #define bfd_get_section(x) ((x)->section)
281 #define bfd_get_output_section(x) ((x)->section->output_section)
282 #define bfd_set_section(x,y) ((x)->section) = (y)
283 #define bfd_asymbol_base(x) ((x)->section->vma)
284 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
285 #define bfd_asymbol_name(x) ((x)->name)
286 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
287 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
288 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
290 /* A canonical archive symbol. */
291 /* This is a type pun with struct ranlib on purpose! */
292 typedef struct carsym {
294 file_ptr file_offset; /* look here to find the file */
295 } carsym; /* to make these you call a carsymogen */
297 /* Used in generating armaps (archive tables of contents).
298 Perhaps just a forward definition would do? */
299 struct orl { /* output ranlib */
300 char **name; /* symbol name */
304 } u; /* bfd* or file position */
305 int namidx; /* index into string table */
308 /* Linenumber stuff */
309 typedef struct lineno_cache_entry {
310 unsigned int line_number; /* Linenumber from start of function*/
312 struct symbol_cache_entry *sym; /* Function name */
313 bfd_vma offset; /* Offset into section */
317 /* object and core file sections */
319 #define align_power(addr, align) \
320 ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
322 typedef struct sec *sec_ptr;
324 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
325 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
326 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
327 #define bfd_section_name(bfd, ptr) ((ptr)->name)
328 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
329 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
330 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
331 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
332 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
333 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
335 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
337 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma= (val)), ((ptr)->user_set_vma = (boolean)true), true)
338 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
339 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
341 typedef struct stat stat_type;
343 typedef enum bfd_print_symbol
345 bfd_print_symbol_name,
346 bfd_print_symbol_more,
348 } bfd_print_symbol_type;
350 /* Information about a symbol that nm needs. */
352 typedef struct _symbol_info
356 const char *name; /* Symbol name. */
357 unsigned char stab_type; /* Stab type. */
358 char stab_other; /* Stab other. */
359 short stab_desc; /* Stab desc. */
360 const char *stab_name; /* String for stab type. */
363 /* Get the name of a stabs type code. */
365 extern const char *bfd_get_stab_name PARAMS ((int));
367 /* Hash table routines. There is no way to free up a hash table. */
369 /* An element in the hash table. Most uses will actually use a larger
370 structure, and an instance of this will be the first field. */
372 struct bfd_hash_entry
374 /* Next entry for this hash code. */
375 struct bfd_hash_entry *next;
376 /* String being hashed. */
378 /* Hash code. This is the full hash code, not the index into the
385 struct bfd_hash_table
387 /* The hash array. */
388 struct bfd_hash_entry **table;
389 /* The number of slots in the hash table. */
391 /* A function used to create new elements in the hash table. The
392 first entry is itself a pointer to an element. When this
393 function is first invoked, this pointer will be NULL. However,
394 having the pointer permits a hierarchy of method functions to be
395 built each of which calls the function in the superclass. Thus
396 each function should be written to allocate a new block of memory
397 only if the argument is NULL. */
398 struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
399 struct bfd_hash_table *,
401 /* An objalloc for this hash table. This is a struct objalloc *,
402 but we use PTR to avoid requiring the inclusion of objalloc.h. */
406 /* Initialize a hash table. */
407 extern boolean bfd_hash_table_init
408 PARAMS ((struct bfd_hash_table *,
409 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
410 struct bfd_hash_table *,
413 /* Initialize a hash table specifying a size. */
414 extern boolean bfd_hash_table_init_n
415 PARAMS ((struct bfd_hash_table *,
416 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
417 struct bfd_hash_table *,
421 /* Free up a hash table. */
422 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
424 /* Look up a string in a hash table. If CREATE is true, a new entry
425 will be created for this string if one does not already exist. The
426 COPY argument must be true if this routine should copy the string
427 into newly allocated memory when adding an entry. */
428 extern struct bfd_hash_entry *bfd_hash_lookup
429 PARAMS ((struct bfd_hash_table *, const char *, boolean create,
432 /* Replace an entry in a hash table. */
433 extern void bfd_hash_replace
434 PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
435 struct bfd_hash_entry *nw));
437 /* Base method for creating a hash table entry. */
438 extern struct bfd_hash_entry *bfd_hash_newfunc
439 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
442 /* Grab some space for a hash table entry. */
443 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
446 /* Traverse a hash table in a random order, calling a function on each
447 element. If the function returns false, the traversal stops. The
448 INFO argument is passed to the function. */
449 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
450 boolean (*) (struct bfd_hash_entry *,
454 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
456 /* User program access to BFD facilities */
458 /* Direct I/O routines, for programs which know more about the object
459 file than BFD does. Use higher level routines if possible. */
461 extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *));
462 extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *));
463 extern int bfd_seek PARAMS ((bfd *, file_ptr, int));
464 extern ufile_ptr bfd_tell PARAMS ((bfd *));
465 extern int bfd_flush PARAMS ((bfd *));
466 extern int bfd_stat PARAMS ((bfd *, struct stat *));
468 /* Deprecated old routines. */
470 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
471 (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__), \
472 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
473 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
474 (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__), \
475 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
477 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD) \
478 (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
479 bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
480 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD) \
481 (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
482 bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
484 extern void warn_deprecated
485 PARAMS ((const char *, const char *, int, const char *));
487 /* Cast from const char * to char * so that caller can assign to
488 a char * without a warning. */
489 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
490 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
491 #define bfd_get_format(abfd) ((abfd)->format)
492 #define bfd_get_target(abfd) ((abfd)->xvec->name)
493 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
494 #define bfd_family_coff(abfd) \
495 (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
496 bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
497 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
498 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
499 #define bfd_header_big_endian(abfd) \
500 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
501 #define bfd_header_little_endian(abfd) \
502 ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
503 #define bfd_get_file_flags(abfd) ((abfd)->flags)
504 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
505 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
506 #define bfd_my_archive(abfd) ((abfd)->my_archive)
507 #define bfd_has_map(abfd) ((abfd)->has_armap)
509 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
510 #define bfd_usrdata(abfd) ((abfd)->usrdata)
512 #define bfd_get_start_address(abfd) ((abfd)->start_address)
513 #define bfd_get_symcount(abfd) ((abfd)->symcount)
514 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
515 #define bfd_count_sections(abfd) ((abfd)->section_count)
517 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
519 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
521 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
522 /* NB: This declaration should match the autogenerated one in libbfd.h. */
524 extern boolean bfd_record_phdr
525 PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
526 boolean, boolean, unsigned int, struct sec **));
528 /* Byte swapping routines. */
530 bfd_vma bfd_getb64 PARAMS ((const unsigned char *));
531 bfd_vma bfd_getl64 PARAMS ((const unsigned char *));
532 bfd_signed_vma bfd_getb_signed_64 PARAMS ((const unsigned char *));
533 bfd_signed_vma bfd_getl_signed_64 PARAMS ((const unsigned char *));
534 bfd_vma bfd_getb32 PARAMS ((const unsigned char *));
535 bfd_vma bfd_getl32 PARAMS ((const unsigned char *));
536 bfd_signed_vma bfd_getb_signed_32 PARAMS ((const unsigned char *));
537 bfd_signed_vma bfd_getl_signed_32 PARAMS ((const unsigned char *));
538 bfd_vma bfd_getb16 PARAMS ((const unsigned char *));
539 bfd_vma bfd_getl16 PARAMS ((const unsigned char *));
540 bfd_signed_vma bfd_getb_signed_16 PARAMS ((const unsigned char *));
541 bfd_signed_vma bfd_getl_signed_16 PARAMS ((const unsigned char *));
542 void bfd_putb64 PARAMS ((bfd_vma, unsigned char *));
543 void bfd_putl64 PARAMS ((bfd_vma, unsigned char *));
544 void bfd_putb32 PARAMS ((bfd_vma, unsigned char *));
545 void bfd_putl32 PARAMS ((bfd_vma, unsigned char *));
546 void bfd_putb16 PARAMS ((bfd_vma, unsigned char *));
547 void bfd_putl16 PARAMS ((bfd_vma, unsigned char *));
549 /* Byte swapping routines which take size and endiannes as arguments. */
551 bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean));
552 void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean));
554 /* Externally visible ECOFF routines. */
556 #if defined(__STDC__) || defined(ALMOST_STDC)
557 struct ecoff_debug_info;
558 struct ecoff_debug_swap;
560 struct symbol_cache_entry;
561 struct bfd_link_info;
562 struct bfd_link_hash_entry;
563 struct bfd_elf_version_tree;
565 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
566 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
567 extern boolean bfd_ecoff_set_regmasks
568 PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
569 unsigned long *cprmask));
570 extern PTR bfd_ecoff_debug_init
571 PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
572 const struct ecoff_debug_swap *output_swap,
573 struct bfd_link_info *));
574 extern void bfd_ecoff_debug_free
575 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
576 const struct ecoff_debug_swap *output_swap,
577 struct bfd_link_info *));
578 extern boolean bfd_ecoff_debug_accumulate
579 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
580 const struct ecoff_debug_swap *output_swap,
581 bfd *input_bfd, struct ecoff_debug_info *input_debug,
582 const struct ecoff_debug_swap *input_swap,
583 struct bfd_link_info *));
584 extern boolean bfd_ecoff_debug_accumulate_other
585 PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
586 const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
587 struct bfd_link_info *));
588 extern boolean bfd_ecoff_debug_externals
589 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
590 const struct ecoff_debug_swap *swap,
591 boolean relocateable,
592 boolean (*get_extr) (struct symbol_cache_entry *,
593 struct ecoff_extr *),
594 void (*set_index) (struct symbol_cache_entry *,
596 extern boolean bfd_ecoff_debug_one_external
597 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
598 const struct ecoff_debug_swap *swap,
599 const char *name, struct ecoff_extr *esym));
600 extern bfd_size_type bfd_ecoff_debug_size
601 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
602 const struct ecoff_debug_swap *swap));
603 extern boolean bfd_ecoff_write_debug
604 PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
605 const struct ecoff_debug_swap *swap, file_ptr where));
606 extern boolean bfd_ecoff_write_accumulated_debug
607 PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
608 const struct ecoff_debug_swap *swap,
609 struct bfd_link_info *info, file_ptr where));
610 extern boolean bfd_mips_ecoff_create_embedded_relocs
611 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
614 /* Externally visible ELF routines. */
616 struct bfd_link_needed_list
618 struct bfd_link_needed_list *next;
623 extern boolean bfd_elf32_record_link_assignment
624 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
625 extern boolean bfd_elf64_record_link_assignment
626 PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
627 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
628 PARAMS ((bfd *, struct bfd_link_info *));
629 extern boolean bfd_elf_get_bfd_needed_list
630 PARAMS ((bfd *, struct bfd_link_needed_list **));
631 extern boolean bfd_elf32_size_dynamic_sections
632 PARAMS ((bfd *, const char *, const char *, const char *,
633 const char * const *, struct bfd_link_info *, struct sec **,
634 struct bfd_elf_version_tree *));
635 extern boolean bfd_elf64_size_dynamic_sections
636 PARAMS ((bfd *, const char *, const char *, const char *,
637 const char * const *, struct bfd_link_info *, struct sec **,
638 struct bfd_elf_version_tree *));
639 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
640 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
641 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
642 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
643 PARAMS ((bfd *, struct bfd_link_info *));
644 extern boolean bfd_elf32_discard_info
645 PARAMS ((struct bfd_link_info *));
646 extern boolean bfd_elf64_discard_info
647 PARAMS ((struct bfd_link_info *));
649 /* Return an upper bound on the number of bytes required to store a
650 copy of ABFD's program header table entries. Return -1 if an error
651 occurs; bfd_get_error will return an appropriate code. */
652 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
654 /* Copy ABFD's program header table entries to *PHDRS. The entries
655 will be stored as an array of Elf_Internal_Phdr structures, as
656 defined in include/elf/internal.h. To find out how large the
657 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
659 Return the number of program header table entries read, or -1 if an
660 error occurs; bfd_get_error will return an appropriate code. */
661 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
663 /* Return the arch_size field of an elf bfd, or -1 if not elf. */
664 extern int bfd_get_arch_size PARAMS ((bfd *));
666 /* Return true if address "naturally" sign extends, or -1 if not elf. */
667 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
669 extern boolean bfd_m68k_elf32_create_embedded_relocs
670 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
673 /* SunOS shared library support routines for the linker. */
675 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
676 PARAMS ((bfd *, struct bfd_link_info *));
677 extern boolean bfd_sunos_record_link_assignment
678 PARAMS ((bfd *, struct bfd_link_info *, const char *));
679 extern boolean bfd_sunos_size_dynamic_sections
680 PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
683 /* Linux shared library support routines for the linker. */
685 extern boolean bfd_i386linux_size_dynamic_sections
686 PARAMS ((bfd *, struct bfd_link_info *));
687 extern boolean bfd_m68klinux_size_dynamic_sections
688 PARAMS ((bfd *, struct bfd_link_info *));
689 extern boolean bfd_sparclinux_size_dynamic_sections
690 PARAMS ((bfd *, struct bfd_link_info *));
694 struct _bfd_window_internal;
695 typedef struct _bfd_window_internal bfd_window_internal;
697 typedef struct _bfd_window {
698 /* What the user asked for. */
701 /* The actual window used by BFD. Small user-requested read-only
702 regions sharing a page may share a single window into the object
703 file. Read-write versions shouldn't until I've fixed things to
704 keep track of which portions have been claimed by the
705 application; don't want to give the same region back when the
706 application wants two writable copies! */
707 struct _bfd_window_internal *i;
710 extern void bfd_init_window PARAMS ((bfd_window *));
711 extern void bfd_free_window PARAMS ((bfd_window *));
712 extern boolean bfd_get_file_window
713 PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
715 /* XCOFF support routines for the linker. */
717 extern boolean bfd_xcoff_link_record_set
718 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
720 extern boolean bfd_xcoff_import_symbol
721 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
722 bfd_vma, const char *, const char *, const char *, unsigned int));
723 extern boolean bfd_xcoff_export_symbol
724 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
725 extern boolean bfd_xcoff_link_count_reloc
726 PARAMS ((bfd *, struct bfd_link_info *, const char *));
727 extern boolean bfd_xcoff_record_link_assignment
728 PARAMS ((bfd *, struct bfd_link_info *, const char *));
729 extern boolean bfd_xcoff_size_dynamic_sections
730 PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
731 unsigned long, unsigned long, unsigned long, boolean,
732 int, boolean, boolean, struct sec **));
734 /* Externally visible COFF routines. */
736 #if defined(__STDC__) || defined(ALMOST_STDC)
737 struct internal_syment;
738 union internal_auxent;
741 extern boolean bfd_coff_get_syment
742 PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
744 extern boolean bfd_coff_get_auxent
745 PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
747 extern boolean bfd_coff_set_symbol_class
748 PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
750 extern boolean bfd_m68k_coff_create_embedded_relocs
751 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
754 /* ARM Interworking support. Called from linker. */
755 extern boolean bfd_arm_allocate_interworking_sections
756 PARAMS ((struct bfd_link_info *));
758 extern boolean bfd_arm_process_before_allocation
759 PARAMS ((bfd *, struct bfd_link_info *, int));
761 extern boolean bfd_arm_get_bfd_for_interworking
762 PARAMS ((bfd *, struct bfd_link_info *));
764 /* PE ARM Interworking support. Called from linker. */
765 extern boolean bfd_arm_pe_allocate_interworking_sections
766 PARAMS ((struct bfd_link_info *));
768 extern boolean bfd_arm_pe_process_before_allocation
769 PARAMS ((bfd *, struct bfd_link_info *, int));
771 extern boolean bfd_arm_pe_get_bfd_for_interworking
772 PARAMS ((bfd *, struct bfd_link_info *));
774 /* ELF ARM Interworking support. Called from linker. */
775 extern boolean bfd_elf32_arm_allocate_interworking_sections
776 PARAMS ((struct bfd_link_info *));
778 extern boolean bfd_elf32_arm_process_before_allocation
779 PARAMS ((bfd *, struct bfd_link_info *, int));
781 extern boolean bfd_elf32_arm_get_bfd_for_interworking
782 PARAMS ((bfd *, struct bfd_link_info *));
784 /* TI COFF load page support. */
785 extern void bfd_ticoff_set_section_load_page
786 PARAMS ((struct sec *, int));
788 extern int bfd_ticoff_get_section_load_page
789 PARAMS ((struct sec *));
791 /* And more from the source. */
793 bfd_init PARAMS ((void));
796 bfd_openr PARAMS ((const char *filename, const char *target));
799 bfd_fdopenr PARAMS ((const char *filename, const char *target, int fd));
802 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
805 bfd_openw PARAMS ((const char *filename, const char *target));
808 bfd_close PARAMS ((bfd *abfd));
811 bfd_close_all_done PARAMS ((bfd *));
814 bfd_create PARAMS ((const char *filename, bfd *templ));
817 bfd_make_writable PARAMS ((bfd *abfd));
820 bfd_make_readable PARAMS ((bfd *abfd));
823 /* Byte swapping macros for user section data. */
825 #define bfd_put_8(abfd, val, ptr) \
826 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
827 #define bfd_put_signed_8 \
829 #define bfd_get_8(abfd, ptr) \
830 (*(unsigned char *) (ptr) & 0xff)
831 #define bfd_get_signed_8(abfd, ptr) \
832 (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
834 #define bfd_put_16(abfd, val, ptr) \
835 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
836 #define bfd_put_signed_16 \
838 #define bfd_get_16(abfd, ptr) \
839 BFD_SEND(abfd, bfd_getx16, (ptr))
840 #define bfd_get_signed_16(abfd, ptr) \
841 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
843 #define bfd_put_32(abfd, val, ptr) \
844 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
845 #define bfd_put_signed_32 \
847 #define bfd_get_32(abfd, ptr) \
848 BFD_SEND(abfd, bfd_getx32, (ptr))
849 #define bfd_get_signed_32(abfd, ptr) \
850 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
852 #define bfd_put_64(abfd, val, ptr) \
853 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
854 #define bfd_put_signed_64 \
856 #define bfd_get_64(abfd, ptr) \
857 BFD_SEND(abfd, bfd_getx64, (ptr))
858 #define bfd_get_signed_64(abfd, ptr) \
859 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
861 #define bfd_get(bits, abfd, ptr) \
862 ( (bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \
863 : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
864 : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
865 : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
866 : (abort (), (bfd_vma) - 1))
868 #define bfd_put(bits, abfd, val, ptr) \
869 ( (bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
870 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
871 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
872 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
873 : (abort (), (void) 0))
876 /* Byte swapping macros for file header data. */
878 #define bfd_h_put_8(abfd, val, ptr) \
879 bfd_put_8 (abfd, val, ptr)
880 #define bfd_h_put_signed_8(abfd, val, ptr) \
881 bfd_put_8 (abfd, val, ptr)
882 #define bfd_h_get_8(abfd, ptr) \
883 bfd_get_8 (abfd, ptr)
884 #define bfd_h_get_signed_8(abfd, ptr) \
885 bfd_get_signed_8 (abfd, ptr)
887 #define bfd_h_put_16(abfd, val, ptr) \
888 BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
889 #define bfd_h_put_signed_16 \
891 #define bfd_h_get_16(abfd, ptr) \
892 BFD_SEND (abfd, bfd_h_getx16, (ptr))
893 #define bfd_h_get_signed_16(abfd, ptr) \
894 BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
896 #define bfd_h_put_32(abfd, val, ptr) \
897 BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
898 #define bfd_h_put_signed_32 \
900 #define bfd_h_get_32(abfd, ptr) \
901 BFD_SEND (abfd, bfd_h_getx32, (ptr))
902 #define bfd_h_get_signed_32(abfd, ptr) \
903 BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
905 #define bfd_h_put_64(abfd, val, ptr) \
906 BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
907 #define bfd_h_put_signed_64 \
909 #define bfd_h_get_64(abfd, ptr) \
910 BFD_SEND (abfd, bfd_h_getx64, (ptr))
911 #define bfd_h_get_signed_64(abfd, ptr) \
912 BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
914 /* Refinements on the above, which should eventually go away. Save
915 cluttering the source with (bfd_vma) and (bfd_byte *) casts. */
917 #define H_PUT_64(abfd, val, where) \
918 bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
920 #define H_PUT_32(abfd, val, where) \
921 bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
923 #define H_PUT_16(abfd, val, where) \
924 bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
926 #define H_PUT_8 bfd_h_put_8
928 #define H_PUT_S64(abfd, val, where) \
929 bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
931 #define H_PUT_S32(abfd, val, where) \
932 bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
934 #define H_PUT_S16(abfd, val, where) \
935 bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
937 #define H_PUT_S8 bfd_h_put_signed_8
939 #define H_GET_64(abfd, where) \
940 bfd_h_get_64 ((abfd), (bfd_byte *) (where))
942 #define H_GET_32(abfd, where) \
943 bfd_h_get_32 ((abfd), (bfd_byte *) (where))
945 #define H_GET_16(abfd, where) \
946 bfd_h_get_16 ((abfd), (bfd_byte *) (where))
948 #define H_GET_8 bfd_h_get_8
950 #define H_GET_S64(abfd, where) \
951 bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
953 #define H_GET_S32(abfd, where) \
954 bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
956 #define H_GET_S16(abfd, where) \
957 bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
959 #define H_GET_S8 bfd_h_get_signed_8
962 /* This structure is used for a comdat section, as in PE. A comdat
963 section is associated with a particular symbol. When the linker
964 sees a comdat section, it keeps only one of the sections with a
965 given name and associated with a given symbol. */
967 struct bfd_comdat_info
969 /* The name of the symbol associated with a comdat section. */
972 /* The local symbol table index of the symbol associated with a
973 comdat section. This is only meaningful to the object file format
974 specific code; it is not an index into the list returned by
975 bfd_canonicalize_symtab. */
981 /* The name of the section; the name isn't a copy, the pointer is
982 the same as that passed to bfd_make_section. */
986 /* A unique sequence number. */
990 /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */
994 /* The next section in the list belonging to the BFD, or NULL. */
998 /* The field flags contains attributes of the section. Some
999 flags are read in from the object file, and some are
1000 synthesized from other information. */
1004 #define SEC_NO_FLAGS 0x000
1006 /* Tells the OS to allocate space for this section when loading.
1007 This is clear for a section containing debug information only. */
1008 #define SEC_ALLOC 0x001
1010 /* Tells the OS to load the section from the file when loading.
1011 This is clear for a .bss section. */
1012 #define SEC_LOAD 0x002
1014 /* The section contains data still to be relocated, so there is
1015 some relocation information too. */
1016 #define SEC_RELOC 0x004
1018 /* ELF reserves 4 processor specific bits and 8 operating system
1019 specific bits in sh_flags; at present we can get away with just
1020 one in communicating between the assembler and BFD, but this
1021 isn't a good long-term solution. */
1022 #define SEC_ARCH_BIT_0 0x008
1024 /* A signal to the OS that the section contains read only data. */
1025 #define SEC_READONLY 0x010
1027 /* The section contains code only. */
1028 #define SEC_CODE 0x020
1030 /* The section contains data only. */
1031 #define SEC_DATA 0x040
1033 /* The section will reside in ROM. */
1034 #define SEC_ROM 0x080
1036 /* The section contains constructor information. This section
1037 type is used by the linker to create lists of constructors and
1038 destructors used by <<g++>>. When a back end sees a symbol
1039 which should be used in a constructor list, it creates a new
1040 section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1041 the symbol to it, and builds a relocation. To build the lists
1042 of constructors, all the linker has to do is catenate all the
1043 sections called <<__CTOR_LIST__>> and relocate the data
1044 contained within - exactly the operations it would peform on
1046 #define SEC_CONSTRUCTOR 0x100
1048 /* The section is a constructor, and should be placed at the
1049 end of the text, data, or bss section(?). */
1050 #define SEC_CONSTRUCTOR_TEXT 0x1100
1051 #define SEC_CONSTRUCTOR_DATA 0x2100
1052 #define SEC_CONSTRUCTOR_BSS 0x3100
1054 /* The section has contents - a data section could be
1055 <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1056 <<SEC_HAS_CONTENTS>> */
1057 #define SEC_HAS_CONTENTS 0x200
1059 /* An instruction to the linker to not output the section
1060 even if it has information which would normally be written. */
1061 #define SEC_NEVER_LOAD 0x400
1063 /* The section is a COFF shared library section. This flag is
1064 only for the linker. If this type of section appears in
1065 the input file, the linker must copy it to the output file
1066 without changing the vma or size. FIXME: Although this
1067 was originally intended to be general, it really is COFF
1068 specific (and the flag was renamed to indicate this). It
1069 might be cleaner to have some more general mechanism to
1070 allow the back end to control what the linker does with
1072 #define SEC_COFF_SHARED_LIBRARY 0x800
1074 /* The section has GOT references. This flag is only for the
1075 linker, and is currently only used by the elf32-hppa back end.
1076 It will be set if global offset table references were detected
1077 in this section, which indicate to the linker that the section
1078 contains PIC code, and must be handled specially when doing a
1080 #define SEC_HAS_GOT_REF 0x4000
1082 /* The section contains common symbols (symbols may be defined
1083 multiple times, the value of a symbol is the amount of
1084 space it requires, and the largest symbol value is the one
1085 used). Most targets have exactly one of these (which we
1086 translate to bfd_com_section_ptr), but ECOFF has two. */
1087 #define SEC_IS_COMMON 0x8000
1089 /* The section contains only debugging information. For
1090 example, this is set for ELF .debug and .stab sections.
1091 strip tests this flag to see if a section can be
1093 #define SEC_DEBUGGING 0x10000
1095 /* The contents of this section are held in memory pointed to
1096 by the contents field. This is checked by bfd_get_section_contents,
1097 and the data is retrieved from memory if appropriate. */
1098 #define SEC_IN_MEMORY 0x20000
1100 /* The contents of this section are to be excluded by the
1101 linker for executable and shared objects unless those
1102 objects are to be further relocated. */
1103 #define SEC_EXCLUDE 0x40000
1105 /* The contents of this section are to be sorted based on the sum of
1106 the symbol and addend values specified by the associated relocation
1107 entries. Entries without associated relocation entries will be
1108 appended to the end of the section in an unspecified order. */
1109 #define SEC_SORT_ENTRIES 0x80000
1111 /* When linking, duplicate sections of the same name should be
1112 discarded, rather than being combined into a single section as
1113 is usually done. This is similar to how common symbols are
1114 handled. See SEC_LINK_DUPLICATES below. */
1115 #define SEC_LINK_ONCE 0x100000
1117 /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1118 should handle duplicate sections. */
1119 #define SEC_LINK_DUPLICATES 0x600000
1121 /* This value for SEC_LINK_DUPLICATES means that duplicate
1122 sections with the same name should simply be discarded. */
1123 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1125 /* This value for SEC_LINK_DUPLICATES means that the linker
1126 should warn if there are any duplicate sections, although
1127 it should still only link one copy. */
1128 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1130 /* This value for SEC_LINK_DUPLICATES means that the linker
1131 should warn if any duplicate sections are a different size. */
1132 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1134 /* This value for SEC_LINK_DUPLICATES means that the linker
1135 should warn if any duplicate sections contain different
1137 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1139 /* This section was created by the linker as part of dynamic
1140 relocation or other arcane processing. It is skipped when
1141 going through the first-pass output, trusting that someone
1142 else up the line will take care of it later. */
1143 #define SEC_LINKER_CREATED 0x800000
1145 /* This section should not be subject to garbage collection. */
1146 #define SEC_KEEP 0x1000000
1148 /* This section contains "short" data, and should be placed
1150 #define SEC_SMALL_DATA 0x2000000
1152 /* This section contains data which may be shared with other
1153 executables or shared objects. */
1154 #define SEC_SHARED 0x4000000
1156 /* When a section with this flag is being linked, then if the size of
1157 the input section is less than a page, it should not cross a page
1158 boundary. If the size of the input section is one page or more, it
1159 should be aligned on a page boundary. */
1160 #define SEC_BLOCK 0x8000000
1162 /* Conditionally link this section; do not link if there are no
1163 references found to any symbol in the section. */
1164 #define SEC_CLINK 0x10000000
1166 /* Attempt to merge identical entities in the section.
1167 Entity size is given in the entsize field. */
1168 #define SEC_MERGE 0x20000000
1170 /* If given with SEC_MERGE, entities to merge are zero terminated
1171 strings where entsize specifies character size instead of fixed
1173 #define SEC_STRINGS 0x40000000
1175 /* This section contains data about section groups. */
1176 #define SEC_GROUP 0x80000000
1178 /* End of section flags. */
1180 /* Some internal packed boolean fields. */
1182 /* See the vma field. */
1183 unsigned int user_set_vma : 1;
1185 /* Whether relocations have been processed. */
1186 unsigned int reloc_done : 1;
1188 /* A mark flag used by some of the linker backends. */
1189 unsigned int linker_mark : 1;
1191 /* Another mark flag used by some of the linker backends. Set for
1192 output sections that have an input section. */
1193 unsigned int linker_has_input : 1;
1195 /* A mark flag used by some linker backends for garbage collection. */
1196 unsigned int gc_mark : 1;
1198 /* Used by the ELF code to mark sections which have been allocated
1200 unsigned int segment_mark : 1;
1202 /* End of internal packed boolean fields. */
1204 /* The virtual memory address of the section - where it will be
1205 at run time. The symbols are relocated against this. The
1206 user_set_vma flag is maintained by bfd; if it's not set, the
1207 backend can assign addresses (for example, in <<a.out>>, where
1208 the default address for <<.data>> is dependent on the specific
1209 target and various flags). */
1213 /* The load address of the section - where it would be in a
1214 rom image; really only used for writing section header
1219 /* The size of the section in octets, as it will be output.
1220 Contains a value even if the section has no contents (e.g., the
1221 size of <<.bss>>). This will be filled in after relocation. */
1223 bfd_size_type _cooked_size;
1225 /* The original size on disk of the section, in octets. Normally this
1226 value is the same as the size, but if some relaxing has
1227 been done, then this value will be bigger. */
1229 bfd_size_type _raw_size;
1231 /* If this section is going to be output, then this value is the
1232 offset in *bytes* into the output section of the first byte in the
1233 input section (byte ==> smallest addressable unit on the
1234 target). In most cases, if this was going to start at the
1235 100th octet (8-bit quantity) in the output section, this value
1236 would be 100. However, if the target byte size is 16 bits
1237 (bfd_octets_per_byte is "2"), this value would be 50. */
1239 bfd_vma output_offset;
1241 /* The output section through which to map on output. */
1243 struct sec *output_section;
1245 /* The alignment requirement of the section, as an exponent of 2 -
1246 e.g., 3 aligns to 2^3 (or 8). */
1248 unsigned int alignment_power;
1250 /* If an input section, a pointer to a vector of relocation
1251 records for the data in this section. */
1253 struct reloc_cache_entry *relocation;
1255 /* If an output section, a pointer to a vector of pointers to
1256 relocation records for the data in this section. */
1258 struct reloc_cache_entry **orelocation;
1260 /* The number of relocation records in one of the above */
1262 unsigned reloc_count;
1264 /* Information below is back end specific - and not always used
1267 /* File position of section data. */
1271 /* File position of relocation info. */
1273 file_ptr rel_filepos;
1275 /* File position of line data. */
1277 file_ptr line_filepos;
1279 /* Pointer to data for applications. */
1283 /* If the SEC_IN_MEMORY flag is set, this points to the actual
1285 unsigned char *contents;
1287 /* Attached line number information. */
1291 /* Number of line number records. */
1293 unsigned int lineno_count;
1295 /* Entity size for merging purposes. */
1297 unsigned int entsize;
1299 /* Optional information about a COMDAT entry; NULL if not COMDAT. */
1301 struct bfd_comdat_info *comdat;
1303 /* When a section is being output, this value changes as more
1304 linenumbers are written out. */
1306 file_ptr moving_line_filepos;
1308 /* What the section number is in the target world. */
1314 /* If this is a constructor section then here is a list of the
1315 relocations created to relocate items within it. */
1317 struct relent_chain *constructor_chain;
1319 /* 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 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1377 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1378 const char *templat,
1382 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1385 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1388 bfd_make_section PARAMS ((bfd *, const char *name));
1391 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1394 bfd_map_over_sections PARAMS ((bfd *abfd,
1395 void (*func) (bfd *abfd,
1401 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1404 bfd_set_section_contents PARAMS ((bfd *abfd, asection *section,
1405 PTR data, file_ptr offset,
1406 bfd_size_type count));
1409 bfd_get_section_contents PARAMS ((bfd *abfd, asection *section,
1410 PTR location, file_ptr offset,
1411 bfd_size_type count));
1414 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec,
1415 bfd *obfd, asection *osec));
1417 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1418 BFD_SEND (obfd, _bfd_copy_private_section_data, \
1419 (ibfd, isection, obfd, osection))
1421 _bfd_strip_section_from_output PARAMS ((struct bfd_link_info *info, asection *section));
1423 enum bfd_architecture
1425 bfd_arch_unknown, /* File arch not known */
1426 bfd_arch_obscure, /* Arch known, not one of these */
1427 bfd_arch_m68k, /* Motorola 68xxx */
1428 #define bfd_mach_m68000 1
1429 #define bfd_mach_m68008 2
1430 #define bfd_mach_m68010 3
1431 #define bfd_mach_m68020 4
1432 #define bfd_mach_m68030 5
1433 #define bfd_mach_m68040 6
1434 #define bfd_mach_m68060 7
1435 #define bfd_mach_cpu32 8
1436 #define bfd_mach_mcf5200 9
1437 #define bfd_mach_mcf5206e 10
1438 #define bfd_mach_mcf5307 11
1439 #define bfd_mach_mcf5407 12
1440 bfd_arch_vax, /* DEC Vax */
1441 bfd_arch_i960, /* Intel 960 */
1442 /* The order of the following is important.
1443 lower number indicates a machine type that
1444 only accepts a subset of the instructions
1445 available to machines with higher numbers.
1446 The exception is the "ca", which is
1447 incompatible with all other machines except
1450 #define bfd_mach_i960_core 1
1451 #define bfd_mach_i960_ka_sa 2
1452 #define bfd_mach_i960_kb_sb 3
1453 #define bfd_mach_i960_mc 4
1454 #define bfd_mach_i960_xa 5
1455 #define bfd_mach_i960_ca 6
1456 #define bfd_mach_i960_jx 7
1457 #define bfd_mach_i960_hx 8
1459 bfd_arch_a29k, /* AMD 29000 */
1460 bfd_arch_sparc, /* SPARC */
1461 #define bfd_mach_sparc 1
1462 /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */
1463 #define bfd_mach_sparc_sparclet 2
1464 #define bfd_mach_sparc_sparclite 3
1465 #define bfd_mach_sparc_v8plus 4
1466 #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns */
1467 #define bfd_mach_sparc_sparclite_le 6
1468 #define bfd_mach_sparc_v9 7
1469 #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns */
1470 #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns */
1471 #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns */
1472 /* Nonzero if MACH has the v9 instruction set. */
1473 #define bfd_mach_sparc_v9_p(mach) \
1474 ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1475 && (mach) != bfd_mach_sparc_sparclite_le)
1476 bfd_arch_mips, /* MIPS Rxxxx */
1477 #define bfd_mach_mips3000 3000
1478 #define bfd_mach_mips3900 3900
1479 #define bfd_mach_mips4000 4000
1480 #define bfd_mach_mips4010 4010
1481 #define bfd_mach_mips4100 4100
1482 #define bfd_mach_mips4111 4111
1483 #define bfd_mach_mips4300 4300
1484 #define bfd_mach_mips4400 4400
1485 #define bfd_mach_mips4600 4600
1486 #define bfd_mach_mips4650 4650
1487 #define bfd_mach_mips5000 5000
1488 #define bfd_mach_mips6000 6000
1489 #define bfd_mach_mips8000 8000
1490 #define bfd_mach_mips10000 10000
1491 #define bfd_mach_mips12000 12000
1492 #define bfd_mach_mips16 16
1493 #define bfd_mach_mips5 5
1494 #define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */
1495 #define bfd_mach_mipsisa32 32
1496 #define bfd_mach_mipsisa64 64
1497 bfd_arch_i386, /* Intel 386 */
1498 #define bfd_mach_i386_i386 0
1499 #define bfd_mach_i386_i8086 1
1500 #define bfd_mach_i386_i386_intel_syntax 2
1501 #define bfd_mach_x86_64 3
1502 #define bfd_mach_x86_64_intel_syntax 4
1503 bfd_arch_we32k, /* AT&T WE32xxx */
1504 bfd_arch_tahoe, /* CCI/Harris Tahoe */
1505 bfd_arch_i860, /* Intel 860 */
1506 bfd_arch_i370, /* IBM 360/370 Mainframes */
1507 bfd_arch_romp, /* IBM ROMP PC/RT */
1508 bfd_arch_alliant, /* Alliant */
1509 bfd_arch_convex, /* Convex */
1510 bfd_arch_m88k, /* Motorola 88xxx */
1511 bfd_arch_pyramid, /* Pyramid Technology */
1512 bfd_arch_h8300, /* Hitachi H8/300 */
1513 #define bfd_mach_h8300 1
1514 #define bfd_mach_h8300h 2
1515 #define bfd_mach_h8300s 3
1516 bfd_arch_pdp11, /* DEC PDP-11 */
1517 bfd_arch_powerpc, /* PowerPC */
1518 #define bfd_mach_ppc 0
1519 #define bfd_mach_ppc_403 403
1520 #define bfd_mach_ppc_403gc 4030
1521 #define bfd_mach_ppc_505 505
1522 #define bfd_mach_ppc_601 601
1523 #define bfd_mach_ppc_602 602
1524 #define bfd_mach_ppc_603 603
1525 #define bfd_mach_ppc_ec603e 6031
1526 #define bfd_mach_ppc_604 604
1527 #define bfd_mach_ppc_620 620
1528 #define bfd_mach_ppc_630 630
1529 #define bfd_mach_ppc_750 750
1530 #define bfd_mach_ppc_860 860
1531 #define bfd_mach_ppc_a35 35
1532 #define bfd_mach_ppc_rs64ii 642
1533 #define bfd_mach_ppc_rs64iii 643
1534 #define bfd_mach_ppc_7400 7400
1535 bfd_arch_rs6000, /* IBM RS/6000 */
1536 #define bfd_mach_rs6k 0
1537 #define bfd_mach_rs6k_rs1 6001
1538 #define bfd_mach_rs6k_rsc 6003
1539 #define bfd_mach_rs6k_rs2 6002
1540 bfd_arch_hppa, /* HP PA RISC */
1541 bfd_arch_d10v, /* Mitsubishi D10V */
1542 #define bfd_mach_d10v 0
1543 #define bfd_mach_d10v_ts2 2
1544 #define bfd_mach_d10v_ts3 3
1545 bfd_arch_d30v, /* Mitsubishi D30V */
1546 bfd_arch_m68hc11, /* Motorola 68HC11 */
1547 bfd_arch_m68hc12, /* Motorola 68HC12 */
1548 bfd_arch_z8k, /* Zilog Z8000 */
1549 #define bfd_mach_z8001 1
1550 #define bfd_mach_z8002 2
1551 bfd_arch_h8500, /* Hitachi H8/500 */
1552 bfd_arch_sh, /* Hitachi SH */
1553 #define bfd_mach_sh 0
1554 #define bfd_mach_sh2 0x20
1555 #define bfd_mach_sh_dsp 0x2d
1556 #define bfd_mach_sh3 0x30
1557 #define bfd_mach_sh3_dsp 0x3d
1558 #define bfd_mach_sh3e 0x3e
1559 #define bfd_mach_sh4 0x40
1560 bfd_arch_alpha, /* Dec Alpha */
1561 #define bfd_mach_alpha_ev4 0x10
1562 #define bfd_mach_alpha_ev5 0x20
1563 #define bfd_mach_alpha_ev6 0x30
1564 bfd_arch_arm, /* Advanced Risc Machines ARM */
1565 #define bfd_mach_arm_2 1
1566 #define bfd_mach_arm_2a 2
1567 #define bfd_mach_arm_3 3
1568 #define bfd_mach_arm_3M 4
1569 #define bfd_mach_arm_4 5
1570 #define bfd_mach_arm_4T 6
1571 #define bfd_mach_arm_5 7
1572 #define bfd_mach_arm_5T 8
1573 #define bfd_mach_arm_5TE 9
1574 #define bfd_mach_arm_XScale 10
1575 bfd_arch_ns32k, /* National Semiconductors ns32000 */
1576 bfd_arch_w65, /* WDC 65816 */
1577 bfd_arch_tic30, /* Texas Instruments TMS320C30 */
1578 bfd_arch_tic54x, /* Texas Instruments TMS320C54X */
1579 bfd_arch_tic80, /* TI TMS320c80 (MVP) */
1580 bfd_arch_v850, /* NEC V850 */
1581 #define bfd_mach_v850 0
1582 #define bfd_mach_v850e 'E'
1583 #define bfd_mach_v850ea 'A'
1584 bfd_arch_arc, /* ARC Cores */
1585 #define bfd_mach_arc_5 0
1586 #define bfd_mach_arc_6 1
1587 #define bfd_mach_arc_7 2
1588 #define bfd_mach_arc_8 3
1589 bfd_arch_m32r, /* Mitsubishi M32R/D */
1590 #define bfd_mach_m32r 0 /* backwards compatibility */
1591 #define bfd_mach_m32rx 'x'
1592 bfd_arch_mn10200, /* Matsushita MN10200 */
1593 bfd_arch_mn10300, /* Matsushita MN10300 */
1594 #define bfd_mach_mn10300 300
1595 #define bfd_mach_am33 330
1597 #define bfd_mach_fr30 0x46523330
1599 bfd_arch_ia64, /* HP/Intel ia64 */
1600 #define bfd_mach_ia64_elf64 0
1601 #define bfd_mach_ia64_elf32 1
1603 bfd_arch_avr, /* Atmel AVR microcontrollers */
1604 #define bfd_mach_avr1 1
1605 #define bfd_mach_avr2 2
1606 #define bfd_mach_avr3 3
1607 #define bfd_mach_avr4 4
1608 #define bfd_mach_avr5 5
1609 bfd_arch_cris, /* Axis CRIS */
1610 bfd_arch_s390, /* IBM s390 */
1611 #define bfd_mach_s390_esa 0
1612 #define bfd_mach_s390_esame 1
1613 bfd_arch_openrisc, /* OpenRISC */
1614 bfd_arch_mmix, /* Donald Knuth's educational processor */
1618 typedef struct bfd_arch_info
1621 int bits_per_address;
1623 enum bfd_architecture arch;
1625 const char *arch_name;
1626 const char *printable_name;
1627 unsigned int section_align_power;
1628 /* True if this is the default machine for the architecture. */
1629 boolean the_default;
1630 const struct bfd_arch_info * (*compatible)
1631 PARAMS ((const struct bfd_arch_info *a,
1632 const struct bfd_arch_info *b));
1634 boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1636 const struct bfd_arch_info *next;
1637 } bfd_arch_info_type;
1639 bfd_printable_name PARAMS ((bfd *abfd));
1641 const bfd_arch_info_type *
1642 bfd_scan_arch PARAMS ((const char *string));
1645 bfd_arch_list PARAMS ((void));
1647 const bfd_arch_info_type *
1648 bfd_arch_get_compatible PARAMS ((
1653 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1655 enum bfd_architecture
1656 bfd_get_arch PARAMS ((bfd *abfd));
1659 bfd_get_mach PARAMS ((bfd *abfd));
1662 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1665 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1667 const bfd_arch_info_type *
1668 bfd_get_arch_info PARAMS ((bfd *abfd));
1670 const bfd_arch_info_type *
1671 bfd_lookup_arch PARAMS ((enum bfd_architecture
1673 unsigned long machine));
1676 bfd_printable_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long machine));
1679 bfd_octets_per_byte PARAMS ((bfd *abfd));
1682 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1683 unsigned long machine));
1685 typedef enum bfd_reloc_status
1687 /* No errors detected */
1690 /* The relocation was performed, but there was an overflow. */
1693 /* The address to relocate was not within the section supplied. */
1694 bfd_reloc_outofrange,
1696 /* Used by special functions */
1699 /* Unsupported relocation size requested. */
1700 bfd_reloc_notsupported,
1705 /* The symbol to relocate against was undefined. */
1706 bfd_reloc_undefined,
1708 /* The relocation was performed, but may not be ok - presently
1709 generated only when linking i960 coff files with i960 b.out
1710 symbols. If this type is returned, the error_message argument
1711 to bfd_perform_relocation will be set. */
1714 bfd_reloc_status_type;
1717 typedef struct reloc_cache_entry
1719 /* A pointer into the canonical table of pointers */
1720 struct symbol_cache_entry **sym_ptr_ptr;
1722 /* offset in section */
1723 bfd_size_type address;
1725 /* addend for relocation value */
1728 /* Pointer to how to perform the required relocation */
1729 reloc_howto_type *howto;
1732 enum complain_overflow
1734 /* Do not complain on overflow. */
1735 complain_overflow_dont,
1737 /* Complain if the bitfield overflows, whether it is considered
1738 as signed or unsigned. */
1739 complain_overflow_bitfield,
1741 /* Complain if the value overflows when considered as signed
1743 complain_overflow_signed,
1745 /* Complain if the value overflows when considered as an
1747 complain_overflow_unsigned
1750 struct reloc_howto_struct
1752 /* The type field has mainly a documentary use - the back end can
1753 do what it wants with it, though normally the back end's
1754 external idea of what a reloc number is stored
1755 in this field. For example, a PC relative word relocation
1756 in a coff environment has the type 023 - because that's
1757 what the outside world calls a R_PCRWORD reloc. */
1760 /* The value the final relocation is shifted right by. This drops
1761 unwanted data from the relocation. */
1762 unsigned int rightshift;
1764 /* The size of the item to be relocated. This is *not* a
1765 power-of-two measure. To get the number of bytes operated
1766 on by a type of relocation, use bfd_get_reloc_size. */
1769 /* The number of bits in the item to be relocated. This is used
1770 when doing overflow checking. */
1771 unsigned int bitsize;
1773 /* Notes that the relocation is relative to the location in the
1774 data section of the addend. The relocation function will
1775 subtract from the relocation value the address of the location
1777 boolean pc_relative;
1779 /* The bit position of the reloc value in the destination.
1780 The relocated value is left shifted by this amount. */
1781 unsigned int bitpos;
1783 /* What type of overflow error should be checked for when
1785 enum complain_overflow complain_on_overflow;
1787 /* If this field is non null, then the supplied function is
1788 called rather than the normal function. This allows really
1789 strange relocation methods to be accomodated (e.g., i960 callj
1791 bfd_reloc_status_type (*special_function)
1792 PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
1795 /* The textual name of the relocation type. */
1798 /* Some formats record a relocation addend in the section contents
1799 rather than with the relocation. For ELF formats this is the
1800 distinction between USE_REL and USE_RELA (though the code checks
1801 for USE_REL == 1/0). The value of this field is TRUE if the
1802 addend is recorded with the section contents; when performing a
1803 partial link (ld -r) the section contents (the data) will be
1804 modified. The value of this field is FALSE if addends are
1805 recorded with the relocation (in arelent.addend); when performing
1806 a partial link the relocation will be modified.
1807 All relocations for all ELF USE_RELA targets should set this field
1808 to FALSE (values of TRUE should be looked on with suspicion).
1809 However, the converse is not true: not all relocations of all ELF
1810 USE_REL targets set this field to TRUE. Why this is so is peculiar
1811 to each particular target. For relocs that aren't used in partial
1812 links (e.g. GOT stuff) it doesn't matter what this is set to. */
1813 boolean partial_inplace;
1815 /* The src_mask selects which parts of the read in data
1816 are to be used in the relocation sum. E.g., if this was an 8 bit
1817 byte of data which we read and relocated, this would be
1818 0x000000ff. When we have relocs which have an addend, such as
1819 sun4 extended relocs, the value in the offset part of a
1820 relocating field is garbage so we never use it. In this case
1821 the mask would be 0x00000000. */
1824 /* The dst_mask selects which parts of the instruction are replaced
1825 into the instruction. In most cases src_mask == dst_mask,
1826 except in the above special case, where dst_mask would be
1827 0x000000ff, and src_mask would be 0x00000000. */
1830 /* When some formats create PC relative instructions, they leave
1831 the value of the pc of the place being relocated in the offset
1832 slot of the instruction, so that a PC relative relocation can
1833 be made just by adding in an ordinary offset (e.g., sun3 a.out).
1834 Some formats leave the displacement part of an instruction
1835 empty (e.g., m88k bcs); this flag signals the fact. */
1836 boolean pcrel_offset;
1838 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1839 { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1840 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1841 HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1842 NAME, false, 0, 0, IN)
1844 #define EMPTY_HOWTO(C) \
1845 HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1846 NULL, false, 0, 0, false)
1848 #define HOWTO_PREPARE(relocation, symbol) \
1850 if (symbol != (asymbol *) NULL) \
1852 if (bfd_is_com_section (symbol->section)) \
1858 relocation = symbol->value; \
1863 bfd_get_reloc_size PARAMS ((reloc_howto_type *));
1865 typedef struct relent_chain
1868 struct relent_chain *next;
1870 bfd_reloc_status_type
1871 bfd_check_overflow PARAMS ((enum complain_overflow how,
1872 unsigned int bitsize,
1873 unsigned int rightshift,
1874 unsigned int addrsize,
1875 bfd_vma relocation));
1877 bfd_reloc_status_type
1878 bfd_perform_relocation PARAMS ((bfd *abfd,
1879 arelent *reloc_entry,
1881 asection *input_section,
1883 char **error_message));
1885 bfd_reloc_status_type
1886 bfd_install_relocation PARAMS ((bfd *abfd,
1887 arelent *reloc_entry,
1888 PTR data, bfd_vma data_start,
1889 asection *input_section,
1890 char **error_message));
1892 enum bfd_reloc_code_real {
1893 _dummy_first_bfd_reloc_code_real,
1896 /* Basic absolute relocations of N bits. */
1905 /* PC-relative relocations. Sometimes these are relative to the address
1906 of the relocation itself; sometimes they are relative to the start of
1907 the section containing the relocation. It depends on the specific target.
1909 The 24-bit relocation is used in some Intel 960 configurations. */
1918 BFD_RELOC_32_GOT_PCREL,
1919 BFD_RELOC_16_GOT_PCREL,
1920 BFD_RELOC_8_GOT_PCREL,
1921 BFD_RELOC_32_GOTOFF,
1922 BFD_RELOC_16_GOTOFF,
1923 BFD_RELOC_LO16_GOTOFF,
1924 BFD_RELOC_HI16_GOTOFF,
1925 BFD_RELOC_HI16_S_GOTOFF,
1927 BFD_RELOC_64_PLT_PCREL,
1928 BFD_RELOC_32_PLT_PCREL,
1929 BFD_RELOC_24_PLT_PCREL,
1930 BFD_RELOC_16_PLT_PCREL,
1931 BFD_RELOC_8_PLT_PCREL,
1932 BFD_RELOC_64_PLTOFF,
1933 BFD_RELOC_32_PLTOFF,
1934 BFD_RELOC_16_PLTOFF,
1935 BFD_RELOC_LO16_PLTOFF,
1936 BFD_RELOC_HI16_PLTOFF,
1937 BFD_RELOC_HI16_S_PLTOFF,
1940 /* Relocations used by 68K ELF. */
1941 BFD_RELOC_68K_GLOB_DAT,
1942 BFD_RELOC_68K_JMP_SLOT,
1943 BFD_RELOC_68K_RELATIVE,
1945 /* Linkage-table relative. */
1946 BFD_RELOC_32_BASEREL,
1947 BFD_RELOC_16_BASEREL,
1948 BFD_RELOC_LO16_BASEREL,
1949 BFD_RELOC_HI16_BASEREL,
1950 BFD_RELOC_HI16_S_BASEREL,
1951 BFD_RELOC_8_BASEREL,
1954 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
1957 /* These PC-relative relocations are stored as word displacements --
1958 i.e., byte displacements shifted right two bits. The 30-bit word
1959 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
1960 SPARC. (SPARC tools generally refer to this as <<WDISP30>>.) The
1961 signed 16-bit displacement is used on the MIPS, and the 23-bit
1962 displacement is used on the Alpha. */
1963 BFD_RELOC_32_PCREL_S2,
1964 BFD_RELOC_16_PCREL_S2,
1965 BFD_RELOC_23_PCREL_S2,
1967 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
1968 the target word. These are used on the SPARC. */
1972 /* For systems that allocate a Global Pointer register, these are
1973 displacements off that register. These relocation types are
1974 handled specially, because the value the register will have is
1975 decided relatively late. */
1979 /* Reloc types used for i960/b.out. */
1980 BFD_RELOC_I960_CALLJ,
1982 /* SPARC ELF relocations. There is probably some overlap with other
1983 relocation types already defined. */
1985 BFD_RELOC_SPARC_WDISP22,
1988 BFD_RELOC_SPARC_GOT10,
1989 BFD_RELOC_SPARC_GOT13,
1990 BFD_RELOC_SPARC_GOT22,
1991 BFD_RELOC_SPARC_PC10,
1992 BFD_RELOC_SPARC_PC22,
1993 BFD_RELOC_SPARC_WPLT30,
1994 BFD_RELOC_SPARC_COPY,
1995 BFD_RELOC_SPARC_GLOB_DAT,
1996 BFD_RELOC_SPARC_JMP_SLOT,
1997 BFD_RELOC_SPARC_RELATIVE,
1998 BFD_RELOC_SPARC_UA16,
1999 BFD_RELOC_SPARC_UA32,
2000 BFD_RELOC_SPARC_UA64,
2002 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
2003 BFD_RELOC_SPARC_BASE13,
2004 BFD_RELOC_SPARC_BASE22,
2006 /* SPARC64 relocations */
2007 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
2010 BFD_RELOC_SPARC_OLO10,
2011 BFD_RELOC_SPARC_HH22,
2012 BFD_RELOC_SPARC_HM10,
2013 BFD_RELOC_SPARC_LM22,
2014 BFD_RELOC_SPARC_PC_HH22,
2015 BFD_RELOC_SPARC_PC_HM10,
2016 BFD_RELOC_SPARC_PC_LM22,
2017 BFD_RELOC_SPARC_WDISP16,
2018 BFD_RELOC_SPARC_WDISP19,
2022 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2023 BFD_RELOC_SPARC_PLT64,
2024 BFD_RELOC_SPARC_HIX22,
2025 BFD_RELOC_SPARC_LOX10,
2026 BFD_RELOC_SPARC_H44,
2027 BFD_RELOC_SPARC_M44,
2028 BFD_RELOC_SPARC_L44,
2029 BFD_RELOC_SPARC_REGISTER,
2031 /* SPARC little endian relocation */
2032 BFD_RELOC_SPARC_REV32,
2034 /* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
2035 "addend" in some special way.
2036 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2037 writing; when reading, it will be the absolute section symbol. The
2038 addend is the displacement in bytes of the "lda" instruction from
2039 the "ldah" instruction (which is at the address of this reloc). */
2040 BFD_RELOC_ALPHA_GPDISP_HI16,
2042 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2043 with GPDISP_HI16 relocs. The addend is ignored when writing the
2044 relocations out, and is filled in with the file's GP value on
2045 reading, for convenience. */
2046 BFD_RELOC_ALPHA_GPDISP_LO16,
2048 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2049 relocation except that there is no accompanying GPDISP_LO16
2051 BFD_RELOC_ALPHA_GPDISP,
2053 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2054 the assembler turns it into a LDQ instruction to load the address of
2055 the symbol, and then fills in a register in the real instruction.
2057 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2058 section symbol. The addend is ignored when writing, but is filled
2059 in with the file's GP value on reading, for convenience, as with the
2062 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2063 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2064 but it generates output not based on the position within the .got
2065 section, but relative to the GP value chosen for the file during the
2068 The LITUSE reloc, on the instruction using the loaded address, gives
2069 information to the linker that it might be able to use to optimize
2070 away some literal section references. The symbol is ignored (read
2071 as the absolute section symbol), and the "addend" indicates the type
2072 of instruction using the register:
2073 1 - "memory" fmt insn
2074 2 - byte-manipulation (byte offset reg)
2075 3 - jsr (target of branch) */
2076 BFD_RELOC_ALPHA_LITERAL,
2077 BFD_RELOC_ALPHA_ELF_LITERAL,
2078 BFD_RELOC_ALPHA_LITUSE,
2080 /* The HINT relocation indicates a value that should be filled into the
2081 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2082 prediction logic which may be provided on some processors. */
2083 BFD_RELOC_ALPHA_HINT,
2085 /* The LINKAGE relocation outputs a linkage pair in the object file,
2086 which is filled by the linker. */
2087 BFD_RELOC_ALPHA_LINKAGE,
2089 /* The CODEADDR relocation outputs a STO_CA in the object file,
2090 which is filled by the linker. */
2091 BFD_RELOC_ALPHA_CODEADDR,
2093 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2095 BFD_RELOC_ALPHA_GPREL_HI16,
2096 BFD_RELOC_ALPHA_GPREL_LO16,
2098 /* Bits 27..2 of the relocation address shifted right 2 bits;
2099 simple reloc otherwise. */
2102 /* The MIPS16 jump instruction. */
2103 BFD_RELOC_MIPS16_JMP,
2105 /* MIPS16 GP relative reloc. */
2106 BFD_RELOC_MIPS16_GPREL,
2108 /* High 16 bits of 32-bit value; simple reloc. */
2111 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2112 extended and added to form the final result. If the low 16
2113 bits form a negative number, we need to add one to the high value
2114 to compensate for the borrow when the low bits are added. */
2120 /* Like BFD_RELOC_HI16_S, but PC relative. */
2121 BFD_RELOC_PCREL_HI16_S,
2123 /* Like BFD_RELOC_LO16, but PC relative. */
2124 BFD_RELOC_PCREL_LO16,
2126 /* Relocation against a MIPS literal section. */
2127 BFD_RELOC_MIPS_LITERAL,
2129 /* MIPS ELF relocations. */
2130 BFD_RELOC_MIPS_GOT16,
2131 BFD_RELOC_MIPS_CALL16,
2132 BFD_RELOC_MIPS_GOT_HI16,
2133 BFD_RELOC_MIPS_GOT_LO16,
2134 BFD_RELOC_MIPS_CALL_HI16,
2135 BFD_RELOC_MIPS_CALL_LO16,
2137 BFD_RELOC_MIPS_GOT_PAGE,
2138 BFD_RELOC_MIPS_GOT_OFST,
2139 BFD_RELOC_MIPS_GOT_DISP,
2140 BFD_RELOC_MIPS_SHIFT5,
2141 BFD_RELOC_MIPS_SHIFT6,
2142 BFD_RELOC_MIPS_INSERT_A,
2143 BFD_RELOC_MIPS_INSERT_B,
2144 BFD_RELOC_MIPS_DELETE,
2145 BFD_RELOC_MIPS_HIGHEST,
2146 BFD_RELOC_MIPS_HIGHER,
2147 BFD_RELOC_MIPS_SCN_DISP,
2148 BFD_RELOC_MIPS_REL16,
2149 BFD_RELOC_MIPS_RELGOT,
2150 BFD_RELOC_MIPS_JALR,
2153 /* i386/elf relocations */
2154 BFD_RELOC_386_GOT32,
2155 BFD_RELOC_386_PLT32,
2157 BFD_RELOC_386_GLOB_DAT,
2158 BFD_RELOC_386_JUMP_SLOT,
2159 BFD_RELOC_386_RELATIVE,
2160 BFD_RELOC_386_GOTOFF,
2161 BFD_RELOC_386_GOTPC,
2163 /* x86-64/elf relocations */
2164 BFD_RELOC_X86_64_GOT32,
2165 BFD_RELOC_X86_64_PLT32,
2166 BFD_RELOC_X86_64_COPY,
2167 BFD_RELOC_X86_64_GLOB_DAT,
2168 BFD_RELOC_X86_64_JUMP_SLOT,
2169 BFD_RELOC_X86_64_RELATIVE,
2170 BFD_RELOC_X86_64_GOTPCREL,
2171 BFD_RELOC_X86_64_32S,
2173 /* ns32k relocations */
2174 BFD_RELOC_NS32K_IMM_8,
2175 BFD_RELOC_NS32K_IMM_16,
2176 BFD_RELOC_NS32K_IMM_32,
2177 BFD_RELOC_NS32K_IMM_8_PCREL,
2178 BFD_RELOC_NS32K_IMM_16_PCREL,
2179 BFD_RELOC_NS32K_IMM_32_PCREL,
2180 BFD_RELOC_NS32K_DISP_8,
2181 BFD_RELOC_NS32K_DISP_16,
2182 BFD_RELOC_NS32K_DISP_32,
2183 BFD_RELOC_NS32K_DISP_8_PCREL,
2184 BFD_RELOC_NS32K_DISP_16_PCREL,
2185 BFD_RELOC_NS32K_DISP_32_PCREL,
2187 /* PDP11 relocations */
2188 BFD_RELOC_PDP11_DISP_8_PCREL,
2189 BFD_RELOC_PDP11_DISP_6_PCREL,
2191 /* Picojava relocs. Not all of these appear in object files. */
2192 BFD_RELOC_PJ_CODE_HI16,
2193 BFD_RELOC_PJ_CODE_LO16,
2194 BFD_RELOC_PJ_CODE_DIR16,
2195 BFD_RELOC_PJ_CODE_DIR32,
2196 BFD_RELOC_PJ_CODE_REL16,
2197 BFD_RELOC_PJ_CODE_REL32,
2199 /* Power(rs6000) and PowerPC relocations. */
2202 BFD_RELOC_PPC_TOC16,
2204 BFD_RELOC_PPC_B16_BRTAKEN,
2205 BFD_RELOC_PPC_B16_BRNTAKEN,
2207 BFD_RELOC_PPC_BA16_BRTAKEN,
2208 BFD_RELOC_PPC_BA16_BRNTAKEN,
2210 BFD_RELOC_PPC_GLOB_DAT,
2211 BFD_RELOC_PPC_JMP_SLOT,
2212 BFD_RELOC_PPC_RELATIVE,
2213 BFD_RELOC_PPC_LOCAL24PC,
2214 BFD_RELOC_PPC_EMB_NADDR32,
2215 BFD_RELOC_PPC_EMB_NADDR16,
2216 BFD_RELOC_PPC_EMB_NADDR16_LO,
2217 BFD_RELOC_PPC_EMB_NADDR16_HI,
2218 BFD_RELOC_PPC_EMB_NADDR16_HA,
2219 BFD_RELOC_PPC_EMB_SDAI16,
2220 BFD_RELOC_PPC_EMB_SDA2I16,
2221 BFD_RELOC_PPC_EMB_SDA2REL,
2222 BFD_RELOC_PPC_EMB_SDA21,
2223 BFD_RELOC_PPC_EMB_MRKREF,
2224 BFD_RELOC_PPC_EMB_RELSEC16,
2225 BFD_RELOC_PPC_EMB_RELST_LO,
2226 BFD_RELOC_PPC_EMB_RELST_HI,
2227 BFD_RELOC_PPC_EMB_RELST_HA,
2228 BFD_RELOC_PPC_EMB_BIT_FLD,
2229 BFD_RELOC_PPC_EMB_RELSDA,
2230 BFD_RELOC_PPC64_HIGHER,
2231 BFD_RELOC_PPC64_HIGHER_S,
2232 BFD_RELOC_PPC64_HIGHEST,
2233 BFD_RELOC_PPC64_HIGHEST_S,
2234 BFD_RELOC_PPC64_TOC16_LO,
2235 BFD_RELOC_PPC64_TOC16_HI,
2236 BFD_RELOC_PPC64_TOC16_HA,
2237 BFD_RELOC_PPC64_TOC,
2238 BFD_RELOC_PPC64_PLTGOT16,
2239 BFD_RELOC_PPC64_PLTGOT16_LO,
2240 BFD_RELOC_PPC64_PLTGOT16_HI,
2241 BFD_RELOC_PPC64_PLTGOT16_HA,
2242 BFD_RELOC_PPC64_ADDR16_DS,
2243 BFD_RELOC_PPC64_ADDR16_LO_DS,
2244 BFD_RELOC_PPC64_GOT16_DS,
2245 BFD_RELOC_PPC64_GOT16_LO_DS,
2246 BFD_RELOC_PPC64_PLT16_LO_DS,
2247 BFD_RELOC_PPC64_SECTOFF_DS,
2248 BFD_RELOC_PPC64_SECTOFF_LO_DS,
2249 BFD_RELOC_PPC64_TOC16_DS,
2250 BFD_RELOC_PPC64_TOC16_LO_DS,
2251 BFD_RELOC_PPC64_PLTGOT16_DS,
2252 BFD_RELOC_PPC64_PLTGOT16_LO_DS,
2254 /* IBM 370/390 relocations */
2257 /* The type of reloc used to build a contructor table - at the moment
2258 probably a 32 bit wide absolute relocation, but the target can choose.
2259 It generally does map to one of the other relocation types. */
2262 /* ARM 26 bit pc-relative branch. The lowest two bits must be zero and are
2263 not stored in the instruction. */
2264 BFD_RELOC_ARM_PCREL_BRANCH,
2266 /* ARM 26 bit pc-relative branch. The lowest bit must be zero and is
2267 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2268 field in the instruction. */
2269 BFD_RELOC_ARM_PCREL_BLX,
2271 /* Thumb 22 bit pc-relative branch. The lowest bit must be zero and is
2272 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2273 field in the instruction. */
2274 BFD_RELOC_THUMB_PCREL_BLX,
2276 /* These relocs are only used within the ARM assembler. They are not
2277 (at present) written to any object files. */
2278 BFD_RELOC_ARM_IMMEDIATE,
2279 BFD_RELOC_ARM_ADRL_IMMEDIATE,
2280 BFD_RELOC_ARM_OFFSET_IMM,
2281 BFD_RELOC_ARM_SHIFT_IMM,
2283 BFD_RELOC_ARM_MULTI,
2284 BFD_RELOC_ARM_CP_OFF_IMM,
2285 BFD_RELOC_ARM_ADR_IMM,
2286 BFD_RELOC_ARM_LDR_IMM,
2287 BFD_RELOC_ARM_LITERAL,
2288 BFD_RELOC_ARM_IN_POOL,
2289 BFD_RELOC_ARM_OFFSET_IMM8,
2290 BFD_RELOC_ARM_HWLITERAL,
2291 BFD_RELOC_ARM_THUMB_ADD,
2292 BFD_RELOC_ARM_THUMB_IMM,
2293 BFD_RELOC_ARM_THUMB_SHIFT,
2294 BFD_RELOC_ARM_THUMB_OFFSET,
2295 BFD_RELOC_ARM_GOT12,
2296 BFD_RELOC_ARM_GOT32,
2297 BFD_RELOC_ARM_JUMP_SLOT,
2299 BFD_RELOC_ARM_GLOB_DAT,
2300 BFD_RELOC_ARM_PLT32,
2301 BFD_RELOC_ARM_RELATIVE,
2302 BFD_RELOC_ARM_GOTOFF,
2303 BFD_RELOC_ARM_GOTPC,
2305 /* Hitachi SH relocs. Not all of these appear in object files. */
2306 BFD_RELOC_SH_PCDISP8BY2,
2307 BFD_RELOC_SH_PCDISP12BY2,
2309 BFD_RELOC_SH_IMM4BY2,
2310 BFD_RELOC_SH_IMM4BY4,
2312 BFD_RELOC_SH_IMM8BY2,
2313 BFD_RELOC_SH_IMM8BY4,
2314 BFD_RELOC_SH_PCRELIMM8BY2,
2315 BFD_RELOC_SH_PCRELIMM8BY4,
2316 BFD_RELOC_SH_SWITCH16,
2317 BFD_RELOC_SH_SWITCH32,
2324 BFD_RELOC_SH_LOOP_START,
2325 BFD_RELOC_SH_LOOP_END,
2327 BFD_RELOC_SH_GLOB_DAT,
2328 BFD_RELOC_SH_JMP_SLOT,
2329 BFD_RELOC_SH_RELATIVE,
2332 /* Thumb 23-, 12- and 9-bit pc-relative branches. The lowest bit must
2333 be zero and is not stored in the instruction. */
2334 BFD_RELOC_THUMB_PCREL_BRANCH9,
2335 BFD_RELOC_THUMB_PCREL_BRANCH12,
2336 BFD_RELOC_THUMB_PCREL_BRANCH23,
2338 /* ARC Cores relocs.
2339 ARC 22 bit pc-relative branch. The lowest two bits must be zero and are
2340 not stored in the instruction. The high 20 bits are installed in bits 26
2341 through 7 of the instruction. */
2342 BFD_RELOC_ARC_B22_PCREL,
2344 /* ARC 26 bit absolute branch. The lowest two bits must be zero and are not
2345 stored in the instruction. The high 24 bits are installed in bits 23
2349 /* Mitsubishi D10V relocs.
2350 This is a 10-bit reloc with the right 2 bits
2352 BFD_RELOC_D10V_10_PCREL_R,
2354 /* Mitsubishi D10V relocs.
2355 This is a 10-bit reloc with the right 2 bits
2356 assumed to be 0. This is the same as the previous reloc
2357 except it is in the left container, i.e.,
2358 shifted left 15 bits. */
2359 BFD_RELOC_D10V_10_PCREL_L,
2361 /* This is an 18-bit reloc with the right 2 bits
2365 /* This is an 18-bit reloc with the right 2 bits
2367 BFD_RELOC_D10V_18_PCREL,
2369 /* Mitsubishi D30V relocs.
2370 This is a 6-bit absolute reloc. */
2373 /* This is a 6-bit pc-relative reloc with
2374 the right 3 bits assumed to be 0. */
2375 BFD_RELOC_D30V_9_PCREL,
2377 /* This is a 6-bit pc-relative reloc with
2378 the right 3 bits assumed to be 0. Same
2379 as the previous reloc but on the right side
2380 of the container. */
2381 BFD_RELOC_D30V_9_PCREL_R,
2383 /* This is a 12-bit absolute reloc with the
2384 right 3 bitsassumed to be 0. */
2387 /* This is a 12-bit pc-relative reloc with
2388 the right 3 bits assumed to be 0. */
2389 BFD_RELOC_D30V_15_PCREL,
2391 /* This is a 12-bit pc-relative reloc with
2392 the right 3 bits assumed to be 0. Same
2393 as the previous reloc but on the right side
2394 of the container. */
2395 BFD_RELOC_D30V_15_PCREL_R,
2397 /* This is an 18-bit absolute reloc with
2398 the right 3 bits assumed to be 0. */
2401 /* This is an 18-bit pc-relative reloc with
2402 the right 3 bits assumed to be 0. */
2403 BFD_RELOC_D30V_21_PCREL,
2405 /* This is an 18-bit pc-relative reloc with
2406 the right 3 bits assumed to be 0. Same
2407 as the previous reloc but on the right side
2408 of the container. */
2409 BFD_RELOC_D30V_21_PCREL_R,
2411 /* This is a 32-bit absolute reloc. */
2414 /* This is a 32-bit pc-relative reloc. */
2415 BFD_RELOC_D30V_32_PCREL,
2417 /* Mitsubishi M32R relocs.
2418 This is a 24 bit absolute address. */
2421 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2422 BFD_RELOC_M32R_10_PCREL,
2424 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2425 BFD_RELOC_M32R_18_PCREL,
2427 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2428 BFD_RELOC_M32R_26_PCREL,
2430 /* This is a 16-bit reloc containing the high 16 bits of an address
2431 used when the lower 16 bits are treated as unsigned. */
2432 BFD_RELOC_M32R_HI16_ULO,
2434 /* This is a 16-bit reloc containing the high 16 bits of an address
2435 used when the lower 16 bits are treated as signed. */
2436 BFD_RELOC_M32R_HI16_SLO,
2438 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2439 BFD_RELOC_M32R_LO16,
2441 /* This is a 16-bit reloc containing the small data area offset for use in
2442 add3, load, and store instructions. */
2443 BFD_RELOC_M32R_SDA16,
2445 /* This is a 9-bit reloc */
2446 BFD_RELOC_V850_9_PCREL,
2448 /* This is a 22-bit reloc */
2449 BFD_RELOC_V850_22_PCREL,
2451 /* This is a 16 bit offset from the short data area pointer. */
2452 BFD_RELOC_V850_SDA_16_16_OFFSET,
2454 /* This is a 16 bit offset (of which only 15 bits are used) from the
2455 short data area pointer. */
2456 BFD_RELOC_V850_SDA_15_16_OFFSET,
2458 /* This is a 16 bit offset from the zero data area pointer. */
2459 BFD_RELOC_V850_ZDA_16_16_OFFSET,
2461 /* This is a 16 bit offset (of which only 15 bits are used) from the
2462 zero data area pointer. */
2463 BFD_RELOC_V850_ZDA_15_16_OFFSET,
2465 /* This is an 8 bit offset (of which only 6 bits are used) from the
2466 tiny data area pointer. */
2467 BFD_RELOC_V850_TDA_6_8_OFFSET,
2469 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2470 data area pointer. */
2471 BFD_RELOC_V850_TDA_7_8_OFFSET,
2473 /* This is a 7 bit offset from the tiny data area pointer. */
2474 BFD_RELOC_V850_TDA_7_7_OFFSET,
2476 /* This is a 16 bit offset from the tiny data area pointer. */
2477 BFD_RELOC_V850_TDA_16_16_OFFSET,
2479 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2480 data area pointer. */
2481 BFD_RELOC_V850_TDA_4_5_OFFSET,
2483 /* This is a 4 bit offset from the tiny data area pointer. */
2484 BFD_RELOC_V850_TDA_4_4_OFFSET,
2486 /* This is a 16 bit offset from the short data area pointer, with the
2487 bits placed non-contigously in the instruction. */
2488 BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2490 /* This is a 16 bit offset from the zero data area pointer, with the
2491 bits placed non-contigously in the instruction. */
2492 BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2494 /* This is a 6 bit offset from the call table base pointer. */
2495 BFD_RELOC_V850_CALLT_6_7_OFFSET,
2497 /* This is a 16 bit offset from the call table base pointer. */
2498 BFD_RELOC_V850_CALLT_16_16_OFFSET,
2501 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2503 BFD_RELOC_MN10300_32_PCREL,
2505 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2507 BFD_RELOC_MN10300_16_PCREL,
2509 /* This is a 8bit DP reloc for the tms320c30, where the most
2510 significant 8 bits of a 24 bit word are placed into the least
2511 significant 8 bits of the opcode. */
2512 BFD_RELOC_TIC30_LDP,
2514 /* This is a 7bit reloc for the tms320c54x, where the least
2515 significant 7 bits of a 16 bit word are placed into the least
2516 significant 7 bits of the opcode. */
2517 BFD_RELOC_TIC54X_PARTLS7,
2519 /* This is a 9bit DP reloc for the tms320c54x, where the most
2520 significant 9 bits of a 16 bit word are placed into the least
2521 significant 9 bits of the opcode. */
2522 BFD_RELOC_TIC54X_PARTMS9,
2524 /* This is an extended address 23-bit reloc for the tms320c54x. */
2525 BFD_RELOC_TIC54X_23,
2527 /* This is a 16-bit reloc for the tms320c54x, where the least
2528 significant 16 bits of a 23-bit extended address are placed into
2530 BFD_RELOC_TIC54X_16_OF_23,
2532 /* This is a reloc for the tms320c54x, where the most
2533 significant 7 bits of a 23-bit extended address are placed into
2535 BFD_RELOC_TIC54X_MS7_OF_23,
2537 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2540 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2544 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2546 BFD_RELOC_FR30_6_IN_4,
2548 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2550 BFD_RELOC_FR30_8_IN_8,
2552 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2554 BFD_RELOC_FR30_9_IN_8,
2556 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2558 BFD_RELOC_FR30_10_IN_8,
2560 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2561 short offset into 8 bits. */
2562 BFD_RELOC_FR30_9_PCREL,
2564 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2565 short offset into 11 bits. */
2566 BFD_RELOC_FR30_12_PCREL,
2568 /* Motorola Mcore relocations. */
2569 BFD_RELOC_MCORE_PCREL_IMM8BY4,
2570 BFD_RELOC_MCORE_PCREL_IMM11BY2,
2571 BFD_RELOC_MCORE_PCREL_IMM4BY2,
2572 BFD_RELOC_MCORE_PCREL_32,
2573 BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2574 BFD_RELOC_MCORE_RVA,
2576 /* These are relocations for the GETA instruction. */
2577 BFD_RELOC_MMIX_GETA,
2578 BFD_RELOC_MMIX_GETA_1,
2579 BFD_RELOC_MMIX_GETA_2,
2580 BFD_RELOC_MMIX_GETA_3,
2582 /* These are relocations for a conditional branch instruction. */
2583 BFD_RELOC_MMIX_CBRANCH,
2584 BFD_RELOC_MMIX_CBRANCH_J,
2585 BFD_RELOC_MMIX_CBRANCH_1,
2586 BFD_RELOC_MMIX_CBRANCH_2,
2587 BFD_RELOC_MMIX_CBRANCH_3,
2589 /* These are relocations for the PUSHJ instruction. */
2590 BFD_RELOC_MMIX_PUSHJ,
2591 BFD_RELOC_MMIX_PUSHJ_1,
2592 BFD_RELOC_MMIX_PUSHJ_2,
2593 BFD_RELOC_MMIX_PUSHJ_3,
2595 /* These are relocations for the JMP instruction. */
2597 BFD_RELOC_MMIX_JMP_1,
2598 BFD_RELOC_MMIX_JMP_2,
2599 BFD_RELOC_MMIX_JMP_3,
2601 /* This is a relocation for a relative address as in a GETA instruction or
2603 BFD_RELOC_MMIX_ADDR19,
2605 /* This is a relocation for a relative address as in a JMP instruction. */
2606 BFD_RELOC_MMIX_ADDR27,
2608 /* This is a relocation for an instruction field that may be a general
2609 register or a value 0..255. */
2610 BFD_RELOC_MMIX_REG_OR_BYTE,
2612 /* This is a relocation for an instruction field that may be a general
2616 /* This is a relocation for two instruction fields holding a register and
2617 an offset, the equivalent of the relocation. */
2618 BFD_RELOC_MMIX_BASE_PLUS_OFFSET,
2620 /* This relocation is an assertion that the expression is not allocated as
2621 a global register. It does not modify contents. */
2622 BFD_RELOC_MMIX_LOCAL,
2624 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2625 short offset into 7 bits. */
2626 BFD_RELOC_AVR_7_PCREL,
2628 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2629 short offset into 12 bits. */
2630 BFD_RELOC_AVR_13_PCREL,
2632 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2633 program memory address) into 16 bits. */
2634 BFD_RELOC_AVR_16_PM,
2636 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2637 data memory address) into 8 bit immediate value of LDI insn. */
2638 BFD_RELOC_AVR_LO8_LDI,
2640 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2641 of data memory address) into 8 bit immediate value of LDI insn. */
2642 BFD_RELOC_AVR_HI8_LDI,
2644 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2645 of program memory address) into 8 bit immediate value of LDI insn. */
2646 BFD_RELOC_AVR_HH8_LDI,
2648 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2649 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2650 BFD_RELOC_AVR_LO8_LDI_NEG,
2652 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2653 (high 8 bit of data memory address) into 8 bit immediate value of
2655 BFD_RELOC_AVR_HI8_LDI_NEG,
2657 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2658 (most high 8 bit of program memory address) into 8 bit immediate value
2659 of LDI or SUBI insn. */
2660 BFD_RELOC_AVR_HH8_LDI_NEG,
2662 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2663 command address) into 8 bit immediate value of LDI insn. */
2664 BFD_RELOC_AVR_LO8_LDI_PM,
2666 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2667 of command address) into 8 bit immediate value of LDI insn. */
2668 BFD_RELOC_AVR_HI8_LDI_PM,
2670 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2671 of command address) into 8 bit immediate value of LDI insn. */
2672 BFD_RELOC_AVR_HH8_LDI_PM,
2674 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2675 (usually command address) into 8 bit immediate value of SUBI insn. */
2676 BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2678 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2679 (high 8 bit of 16 bit command address) into 8 bit immediate value
2681 BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2683 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2684 (high 6 bit of 22 bit command address) into 8 bit immediate
2685 value of SUBI insn. */
2686 BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2688 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2692 /* Direct 12 bit. */
2695 /* 12 bit GOT offset. */
2696 BFD_RELOC_390_GOT12,
2698 /* 32 bit PC relative PLT address. */
2699 BFD_RELOC_390_PLT32,
2701 /* Copy symbol at runtime. */
2704 /* Create GOT entry. */
2705 BFD_RELOC_390_GLOB_DAT,
2707 /* Create PLT entry. */
2708 BFD_RELOC_390_JMP_SLOT,
2710 /* Adjust by program base. */
2711 BFD_RELOC_390_RELATIVE,
2713 /* 32 bit PC relative offset to GOT. */
2714 BFD_RELOC_390_GOTPC,
2716 /* 16 bit GOT offset. */
2717 BFD_RELOC_390_GOT16,
2719 /* PC relative 16 bit shifted by 1. */
2720 BFD_RELOC_390_PC16DBL,
2722 /* 16 bit PC rel. PLT shifted by 1. */
2723 BFD_RELOC_390_PLT16DBL,
2725 /* PC relative 32 bit shifted by 1. */
2726 BFD_RELOC_390_PC32DBL,
2728 /* 32 bit PC rel. PLT shifted by 1. */
2729 BFD_RELOC_390_PLT32DBL,
2731 /* 32 bit PC rel. GOT shifted by 1. */
2732 BFD_RELOC_390_GOTPCDBL,
2734 /* 64 bit GOT offset. */
2735 BFD_RELOC_390_GOT64,
2737 /* 64 bit PC relative PLT address. */
2738 BFD_RELOC_390_PLT64,
2740 /* 32 bit rel. offset to GOT entry. */
2741 BFD_RELOC_390_GOTENT,
2743 /* These two relocations are used by the linker to determine which of
2744 the entries in a C++ virtual function table are actually used. When
2745 the --gc-sections option is given, the linker will zero out the entries
2746 that are not used, so that the code for those functions need not be
2747 included in the output.
2749 VTABLE_INHERIT is a zero-space relocation used to describe to the
2750 linker the inheritence tree of a C++ virtual function table. The
2751 relocation's symbol should be the parent class' vtable, and the
2752 relocation should be located at the child vtable.
2754 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2755 virtual function table entry. The reloc's symbol should refer to the
2756 table of the class mentioned in the code. Off of that base, an offset
2757 describes the entry that is being used. For Rela hosts, this offset
2758 is stored in the reloc's addend. For Rel hosts, we are forced to put
2759 this offset in the reloc's section offset. */
2760 BFD_RELOC_VTABLE_INHERIT,
2761 BFD_RELOC_VTABLE_ENTRY,
2763 /* Intel IA64 Relocations. */
2764 BFD_RELOC_IA64_IMM14,
2765 BFD_RELOC_IA64_IMM22,
2766 BFD_RELOC_IA64_IMM64,
2767 BFD_RELOC_IA64_DIR32MSB,
2768 BFD_RELOC_IA64_DIR32LSB,
2769 BFD_RELOC_IA64_DIR64MSB,
2770 BFD_RELOC_IA64_DIR64LSB,
2771 BFD_RELOC_IA64_GPREL22,
2772 BFD_RELOC_IA64_GPREL64I,
2773 BFD_RELOC_IA64_GPREL32MSB,
2774 BFD_RELOC_IA64_GPREL32LSB,
2775 BFD_RELOC_IA64_GPREL64MSB,
2776 BFD_RELOC_IA64_GPREL64LSB,
2777 BFD_RELOC_IA64_LTOFF22,
2778 BFD_RELOC_IA64_LTOFF64I,
2779 BFD_RELOC_IA64_PLTOFF22,
2780 BFD_RELOC_IA64_PLTOFF64I,
2781 BFD_RELOC_IA64_PLTOFF64MSB,
2782 BFD_RELOC_IA64_PLTOFF64LSB,
2783 BFD_RELOC_IA64_FPTR64I,
2784 BFD_RELOC_IA64_FPTR32MSB,
2785 BFD_RELOC_IA64_FPTR32LSB,
2786 BFD_RELOC_IA64_FPTR64MSB,
2787 BFD_RELOC_IA64_FPTR64LSB,
2788 BFD_RELOC_IA64_PCREL21B,
2789 BFD_RELOC_IA64_PCREL21BI,
2790 BFD_RELOC_IA64_PCREL21M,
2791 BFD_RELOC_IA64_PCREL21F,
2792 BFD_RELOC_IA64_PCREL22,
2793 BFD_RELOC_IA64_PCREL60B,
2794 BFD_RELOC_IA64_PCREL64I,
2795 BFD_RELOC_IA64_PCREL32MSB,
2796 BFD_RELOC_IA64_PCREL32LSB,
2797 BFD_RELOC_IA64_PCREL64MSB,
2798 BFD_RELOC_IA64_PCREL64LSB,
2799 BFD_RELOC_IA64_LTOFF_FPTR22,
2800 BFD_RELOC_IA64_LTOFF_FPTR64I,
2801 BFD_RELOC_IA64_LTOFF_FPTR32MSB,
2802 BFD_RELOC_IA64_LTOFF_FPTR32LSB,
2803 BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2804 BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2805 BFD_RELOC_IA64_SEGREL32MSB,
2806 BFD_RELOC_IA64_SEGREL32LSB,
2807 BFD_RELOC_IA64_SEGREL64MSB,
2808 BFD_RELOC_IA64_SEGREL64LSB,
2809 BFD_RELOC_IA64_SECREL32MSB,
2810 BFD_RELOC_IA64_SECREL32LSB,
2811 BFD_RELOC_IA64_SECREL64MSB,
2812 BFD_RELOC_IA64_SECREL64LSB,
2813 BFD_RELOC_IA64_REL32MSB,
2814 BFD_RELOC_IA64_REL32LSB,
2815 BFD_RELOC_IA64_REL64MSB,
2816 BFD_RELOC_IA64_REL64LSB,
2817 BFD_RELOC_IA64_LTV32MSB,
2818 BFD_RELOC_IA64_LTV32LSB,
2819 BFD_RELOC_IA64_LTV64MSB,
2820 BFD_RELOC_IA64_LTV64LSB,
2821 BFD_RELOC_IA64_IPLTMSB,
2822 BFD_RELOC_IA64_IPLTLSB,
2823 BFD_RELOC_IA64_COPY,
2824 BFD_RELOC_IA64_TPREL22,
2825 BFD_RELOC_IA64_TPREL64MSB,
2826 BFD_RELOC_IA64_TPREL64LSB,
2827 BFD_RELOC_IA64_LTOFF_TP22,
2828 BFD_RELOC_IA64_LTOFF22X,
2829 BFD_RELOC_IA64_LDXMOV,
2831 /* Motorola 68HC11 reloc.
2832 This is the 8 bits high part of an absolute address. */
2833 BFD_RELOC_M68HC11_HI8,
2835 /* Motorola 68HC11 reloc.
2836 This is the 8 bits low part of an absolute address. */
2837 BFD_RELOC_M68HC11_LO8,
2839 /* Motorola 68HC11 reloc.
2840 This is the 3 bits of a value. */
2841 BFD_RELOC_M68HC11_3B,
2843 /* These relocs are only used within the CRIS assembler. They are not
2844 (at present) written to any object files. */
2845 BFD_RELOC_CRIS_BDISP8,
2846 BFD_RELOC_CRIS_UNSIGNED_5,
2847 BFD_RELOC_CRIS_SIGNED_6,
2848 BFD_RELOC_CRIS_UNSIGNED_6,
2849 BFD_RELOC_CRIS_UNSIGNED_4,
2851 /* Relocs used in ELF shared libraries for CRIS. */
2852 BFD_RELOC_CRIS_COPY,
2853 BFD_RELOC_CRIS_GLOB_DAT,
2854 BFD_RELOC_CRIS_JUMP_SLOT,
2855 BFD_RELOC_CRIS_RELATIVE,
2857 /* 32-bit offset to symbol-entry within GOT. */
2858 BFD_RELOC_CRIS_32_GOT,
2860 /* 16-bit offset to symbol-entry within GOT. */
2861 BFD_RELOC_CRIS_16_GOT,
2863 /* 32-bit offset to symbol-entry within GOT, with PLT handling. */
2864 BFD_RELOC_CRIS_32_GOTPLT,
2866 /* 16-bit offset to symbol-entry within GOT, with PLT handling. */
2867 BFD_RELOC_CRIS_16_GOTPLT,
2869 /* 32-bit offset to symbol, relative to GOT. */
2870 BFD_RELOC_CRIS_32_GOTREL,
2872 /* 32-bit offset to symbol with PLT entry, relative to GOT. */
2873 BFD_RELOC_CRIS_32_PLT_GOTREL,
2875 /* 32-bit offset to symbol with PLT entry, relative to this relocation. */
2876 BFD_RELOC_CRIS_32_PLT_PCREL,
2878 /* Intel i860 Relocations. */
2880 BFD_RELOC_860_GLOB_DAT,
2881 BFD_RELOC_860_JUMP_SLOT,
2882 BFD_RELOC_860_RELATIVE,
2884 BFD_RELOC_860_PLT26,
2887 BFD_RELOC_860_SPLIT0,
2889 BFD_RELOC_860_SPLIT1,
2891 BFD_RELOC_860_SPLIT2,
2893 BFD_RELOC_860_LOGOT0,
2894 BFD_RELOC_860_SPGOT0,
2895 BFD_RELOC_860_LOGOT1,
2896 BFD_RELOC_860_SPGOT1,
2897 BFD_RELOC_860_LOGOTOFF0,
2898 BFD_RELOC_860_SPGOTOFF0,
2899 BFD_RELOC_860_LOGOTOFF1,
2900 BFD_RELOC_860_SPGOTOFF1,
2901 BFD_RELOC_860_LOGOTOFF2,
2902 BFD_RELOC_860_LOGOTOFF3,
2904 BFD_RELOC_860_HIGHADJ,
2905 BFD_RELOC_860_HAGOT,
2906 BFD_RELOC_860_HAGOTOFF,
2909 BFD_RELOC_860_HIGOT,
2910 BFD_RELOC_860_HIGOTOFF,
2912 /* OpenRISC Relocations. */
2913 BFD_RELOC_OPENRISC_ABS_26,
2914 BFD_RELOC_OPENRISC_REL_26,
2916 /* H8 elf Relocations. */
2917 BFD_RELOC_H8_DIR16A8,
2918 BFD_RELOC_H8_DIR16R8,
2919 BFD_RELOC_H8_DIR24A8,
2920 BFD_RELOC_H8_DIR24R8,
2921 BFD_RELOC_H8_DIR32A16,
2923 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
2925 bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
2928 bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
2931 typedef struct symbol_cache_entry
2933 /* A pointer to the BFD which owns the symbol. This information
2934 is necessary so that a back end can work out what additional
2935 information (invisible to the application writer) is carried
2938 This field is *almost* redundant, since you can use section->owner
2939 instead, except that some symbols point to the global sections
2940 bfd_{abs,com,und}_section. This could be fixed by making
2941 these globals be per-bfd (or per-target-flavor). FIXME. */
2943 struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
2945 /* The text of the symbol. The name is left alone, and not copied; the
2946 application may not alter it. */
2949 /* The value of the symbol. This really should be a union of a
2950 numeric value with a pointer, since some flags indicate that
2951 a pointer to another symbol is stored here. */
2954 /* Attributes of a symbol: */
2956 #define BSF_NO_FLAGS 0x00
2958 /* The symbol has local scope; <<static>> in <<C>>. The value
2959 is the offset into the section of the data. */
2960 #define BSF_LOCAL 0x01
2962 /* The symbol has global scope; initialized data in <<C>>. The
2963 value is the offset into the section of the data. */
2964 #define BSF_GLOBAL 0x02
2966 /* The symbol has global scope and is exported. The value is
2967 the offset into the section of the data. */
2968 #define BSF_EXPORT BSF_GLOBAL /* no real difference */
2970 /* A normal C symbol would be one of:
2971 <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
2974 /* The symbol is a debugging record. The value has an arbitary
2975 meaning, unless BSF_DEBUGGING_RELOC is also set. */
2976 #define BSF_DEBUGGING 0x08
2978 /* The symbol denotes a function entry point. Used in ELF,
2979 perhaps others someday. */
2980 #define BSF_FUNCTION 0x10
2982 /* Used by the linker. */
2983 #define BSF_KEEP 0x20
2984 #define BSF_KEEP_G 0x40
2986 /* A weak global symbol, overridable without warnings by
2987 a regular global symbol of the same name. */
2988 #define BSF_WEAK 0x80
2990 /* This symbol was created to point to a section, e.g. ELF's
2991 STT_SECTION symbols. */
2992 #define BSF_SECTION_SYM 0x100
2994 /* The symbol used to be a common symbol, but now it is
2996 #define BSF_OLD_COMMON 0x200
2998 /* The default value for common data. */
2999 #define BFD_FORT_COMM_DEFAULT_VALUE 0
3001 /* In some files the type of a symbol sometimes alters its
3002 location in an output file - ie in coff a <<ISFCN>> symbol
3003 which is also <<C_EXT>> symbol appears where it was
3004 declared and not at the end of a section. This bit is set
3005 by the target BFD part to convey this information. */
3007 #define BSF_NOT_AT_END 0x400
3009 /* Signal that the symbol is the label of constructor section. */
3010 #define BSF_CONSTRUCTOR 0x800
3012 /* Signal that the symbol is a warning symbol. The name is a
3013 warning. The name of the next symbol is the one to warn about;
3014 if a reference is made to a symbol with the same name as the next
3015 symbol, a warning is issued by the linker. */
3016 #define BSF_WARNING 0x1000
3018 /* Signal that the symbol is indirect. This symbol is an indirect
3019 pointer to the symbol with the same name as the next symbol. */
3020 #define BSF_INDIRECT 0x2000
3022 /* BSF_FILE marks symbols that contain a file name. This is used
3023 for ELF STT_FILE symbols. */
3024 #define BSF_FILE 0x4000
3026 /* Symbol is from dynamic linking information. */
3027 #define BSF_DYNAMIC 0x8000
3029 /* The symbol denotes a data object. Used in ELF, and perhaps
3031 #define BSF_OBJECT 0x10000
3033 /* This symbol is a debugging symbol. The value is the offset
3034 into the section of the data. BSF_DEBUGGING should be set
3036 #define BSF_DEBUGGING_RELOC 0x20000
3040 /* A pointer to the section to which this symbol is
3041 relative. This will always be non NULL, there are special
3042 sections for undefined and absolute symbols. */
3043 struct sec *section;
3045 /* Back end special data. */
3053 #define bfd_get_symtab_upper_bound(abfd) \
3054 BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3056 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
3059 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
3061 #define bfd_is_local_label_name(abfd, name) \
3062 BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3063 #define bfd_canonicalize_symtab(abfd, location) \
3064 BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3067 bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
3070 bfd_print_symbol_vandf PARAMS ((bfd *abfd, PTR file, asymbol *symbol));
3072 #define bfd_make_empty_symbol(abfd) \
3073 BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3074 #define bfd_make_debug_symbol(abfd,ptr,size) \
3075 BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3077 bfd_decode_symclass PARAMS ((asymbol *symbol));
3080 bfd_is_undefined_symclass PARAMS ((int symclass));
3083 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
3086 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
3088 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3089 BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3090 (ibfd, isymbol, obfd, osymbol))
3093 /* The filename the application opened the BFD with. */
3094 const char *filename;
3096 /* A pointer to the target jump table. */
3097 const struct bfd_target *xvec;
3099 /* To avoid dragging too many header files into every file that
3100 includes `<<bfd.h>>', IOSTREAM has been declared as a "char
3101 *", and MTIME as a "long". Their correct types, to which they
3102 are cast when used, are "FILE *" and "time_t". The iostream
3103 is the result of an fopen on the filename. However, if the
3104 BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3105 to a bfd_in_memory struct. */
3108 /* Is the file descriptor being cached? That is, can it be closed as
3109 needed, and re-opened when accessed later? */
3113 /* Marks whether there was a default target specified when the
3114 BFD was opened. This is used to select which matching algorithm
3115 to use to choose the back end. */
3117 boolean target_defaulted;
3119 /* The caching routines use these to maintain a
3120 least-recently-used list of BFDs */
3122 struct _bfd *lru_prev, *lru_next;
3124 /* When a file is closed by the caching routines, BFD retains
3125 state information on the file here: */
3129 /* and here: (``once'' means at least once) */
3131 boolean opened_once;
3133 /* Set if we have a locally maintained mtime value, rather than
3134 getting it from the file each time: */
3138 /* File modified time, if mtime_set is true: */
3142 /* Reserved for an unimplemented file locking extension.*/
3146 /* The format which belongs to the BFD. (object, core, etc.) */
3150 /* The direction the BFD was opened with*/
3152 enum bfd_direction {no_direction = 0,
3154 write_direction = 2,
3155 both_direction = 3} direction;
3157 /* Format_specific flags*/
3161 /* Currently my_archive is tested before adding origin to
3162 anything. I believe that this can become always an add of
3163 origin, with origin set to 0 for non archive files. */
3167 /* Remember when output has begun, to stop strange things
3169 boolean output_has_begun;
3171 /* Pointer to linked list of sections*/
3172 struct sec *sections;
3174 /* The number of sections */
3175 unsigned int section_count;
3177 /* Stuff only useful for object files:
3178 The start address. */
3179 bfd_vma start_address;
3181 /* Used for input and output*/
3182 unsigned int symcount;
3184 /* Symbol table for output BFD (with symcount entries) */
3185 struct symbol_cache_entry **outsymbols;
3187 /* Pointer to structure which contains architecture information*/
3188 const struct bfd_arch_info *arch_info;
3190 /* Stuff only useful for archives:*/
3192 struct _bfd *my_archive; /* The containing archive BFD. */
3193 struct _bfd *next; /* The next BFD in the archive. */
3194 struct _bfd *archive_head; /* The first BFD in the archive. */
3197 /* A chain of BFD structures involved in a link. */
3198 struct _bfd *link_next;
3200 /* A field used by _bfd_generic_link_add_archive_symbols. This will
3201 be used only for archive elements. */
3204 /* Used by the back end to hold private data. */
3208 struct aout_data_struct *aout_data;
3209 struct artdata *aout_ar_data;
3210 struct _oasys_data *oasys_obj_data;
3211 struct _oasys_ar_data *oasys_ar_data;
3212 struct coff_tdata *coff_obj_data;
3213 struct pe_tdata *pe_obj_data;
3214 struct xcoff_tdata *xcoff_obj_data;
3215 struct ecoff_tdata *ecoff_obj_data;
3216 struct ieee_data_struct *ieee_data;
3217 struct ieee_ar_data_struct *ieee_ar_data;
3218 struct srec_data_struct *srec_data;
3219 struct ihex_data_struct *ihex_data;
3220 struct tekhex_data_struct *tekhex_data;
3221 struct elf_obj_tdata *elf_obj_data;
3222 struct nlm_obj_tdata *nlm_obj_data;
3223 struct bout_data_struct *bout_data;
3224 struct mmo_data_struct *mmo_data;
3225 struct sun_core_struct *sun_core_data;
3226 struct sco5_core_struct *sco5_core_data;
3227 struct trad_core_struct *trad_core_data;
3228 struct som_data_struct *som_data;
3229 struct hpux_core_struct *hpux_core_data;
3230 struct hppabsd_core_struct *hppabsd_core_data;
3231 struct sgi_core_struct *sgi_core_data;
3232 struct lynx_core_struct *lynx_core_data;
3233 struct osf_core_struct *osf_core_data;
3234 struct cisco_core_struct *cisco_core_data;
3235 struct versados_data_struct *versados_data;
3236 struct netbsd_core_struct *netbsd_core_data;
3240 /* Used by the application to hold private data*/
3243 /* Where all the allocated stuff under this BFD goes. This is a
3244 struct objalloc *, but we use PTR to avoid requiring the inclusion of
3249 typedef enum bfd_error
3251 bfd_error_no_error = 0,
3252 bfd_error_system_call,
3253 bfd_error_invalid_target,
3254 bfd_error_wrong_format,
3255 bfd_error_wrong_object_format,
3256 bfd_error_invalid_operation,
3257 bfd_error_no_memory,
3258 bfd_error_no_symbols,
3260 bfd_error_no_more_archived_files,
3261 bfd_error_malformed_archive,
3262 bfd_error_file_not_recognized,
3263 bfd_error_file_ambiguously_recognized,
3264 bfd_error_no_contents,
3265 bfd_error_nonrepresentable_section,
3266 bfd_error_no_debug_section,
3267 bfd_error_bad_value,
3268 bfd_error_file_truncated,
3269 bfd_error_file_too_big,
3270 bfd_error_invalid_error_code
3274 bfd_get_error PARAMS ((void));
3277 bfd_set_error PARAMS ((bfd_error_type error_tag));
3280 bfd_errmsg PARAMS ((bfd_error_type error_tag));
3283 bfd_perror PARAMS ((const char *message));
3285 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3287 bfd_error_handler_type
3288 bfd_set_error_handler PARAMS ((bfd_error_handler_type));
3291 bfd_set_error_program_name PARAMS ((const char *));
3293 bfd_error_handler_type
3294 bfd_get_error_handler PARAMS ((void));
3297 bfd_archive_filename PARAMS ((bfd *));
3300 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3303 bfd_canonicalize_reloc PARAMS ((bfd *abfd,
3309 bfd_set_reloc PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
3314 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3317 bfd_get_arch_size PARAMS ((bfd *abfd));
3320 bfd_get_sign_extend_vma PARAMS ((bfd *abfd));
3323 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3326 bfd_get_mtime PARAMS ((bfd *abfd));
3329 bfd_get_size PARAMS ((bfd *abfd));
3332 bfd_get_gp_size PARAMS ((bfd *abfd));
3335 bfd_set_gp_size PARAMS ((bfd *abfd, unsigned int i));
3338 bfd_scan_vma PARAMS ((const char *string, const char **end, int base));
3341 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3343 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3344 BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3347 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3349 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3350 BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3353 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3355 #define bfd_set_private_flags(abfd, flags) \
3356 BFD_SEND (abfd, _bfd_set_private_flags, \
3358 #define bfd_sizeof_headers(abfd, reloc) \
3359 BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3361 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3362 BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line))
3364 /* Do these three do anything useful at all, for any back end? */
3365 #define bfd_debug_info_start(abfd) \
3366 BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3368 #define bfd_debug_info_end(abfd) \
3369 BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3371 #define bfd_debug_info_accumulate(abfd, section) \
3372 BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3375 #define bfd_stat_arch_elt(abfd, stat) \
3376 BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3378 #define bfd_update_armap_timestamp(abfd) \
3379 BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3381 #define bfd_set_arch_mach(abfd, arch, mach)\
3382 BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3384 #define bfd_relax_section(abfd, section, link_info, again) \
3385 BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3387 #define bfd_gc_sections(abfd, link_info) \
3388 BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3390 #define bfd_merge_sections(abfd, link_info) \
3391 BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3393 #define bfd_link_hash_table_create(abfd) \
3394 BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3396 #define bfd_link_add_symbols(abfd, info) \
3397 BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3399 #define bfd_final_link(abfd, info) \
3400 BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3402 #define bfd_free_cached_info(abfd) \
3403 BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3405 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3406 BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3408 #define bfd_print_private_bfd_data(abfd, file)\
3409 BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3411 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3412 BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3414 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3415 BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3417 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3418 BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3420 extern bfd_byte *bfd_get_relocated_section_contents
3421 PARAMS ((bfd *, struct bfd_link_info *,
3422 struct bfd_link_order *, bfd_byte *,
3423 boolean, asymbol **));
3426 bfd_alt_mach_code PARAMS ((bfd *abfd, int index));
3429 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3432 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3435 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3438 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3441 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3444 core_file_matches_executable_p PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3446 #define BFD_SEND(bfd, message, arglist) \
3447 ((*((bfd)->xvec->message)) arglist)
3449 #ifdef DEBUG_BFD_SEND
3451 #define BFD_SEND(bfd, message, arglist) \
3452 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3453 ((*((bfd)->xvec->message)) arglist) : \
3454 (bfd_assert (__FILE__,__LINE__), NULL))
3456 #define BFD_SEND_FMT(bfd, message, arglist) \
3457 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3459 #ifdef DEBUG_BFD_SEND
3461 #define BFD_SEND_FMT(bfd, message, arglist) \
3462 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3463 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3464 (bfd_assert (__FILE__,__LINE__), NULL))
3467 bfd_target_unknown_flavour,
3468 bfd_target_aout_flavour,
3469 bfd_target_coff_flavour,
3470 bfd_target_ecoff_flavour,
3471 bfd_target_xcoff_flavour,
3472 bfd_target_elf_flavour,
3473 bfd_target_ieee_flavour,
3474 bfd_target_nlm_flavour,
3475 bfd_target_oasys_flavour,
3476 bfd_target_tekhex_flavour,
3477 bfd_target_srec_flavour,
3478 bfd_target_ihex_flavour,
3479 bfd_target_som_flavour,
3480 bfd_target_os9k_flavour,
3481 bfd_target_versados_flavour,
3482 bfd_target_msdos_flavour,
3483 bfd_target_ovax_flavour,
3484 bfd_target_evax_flavour,
3485 bfd_target_mmo_flavour
3488 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3490 /* Forward declaration. */
3491 typedef struct bfd_link_info _bfd_link_info;
3493 typedef struct bfd_target
3496 enum bfd_flavour flavour;
3497 enum bfd_endian byteorder;
3498 enum bfd_endian header_byteorder;
3499 flagword object_flags;
3500 flagword section_flags;
3501 char symbol_leading_char;
3503 unsigned short ar_max_namelen;
3504 bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
3505 bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3506 void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3507 bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
3508 bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3509 void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3510 bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
3511 bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3512 void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3513 bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3514 bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3515 void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3516 bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3517 bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3518 void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3519 bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3520 bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3521 void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3522 const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3523 boolean (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3524 boolean (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3526 /* Generic entry points. */
3527 #define BFD_JUMP_TABLE_GENERIC(NAME) \
3528 CONCAT2 (NAME,_close_and_cleanup), \
3529 CONCAT2 (NAME,_bfd_free_cached_info), \
3530 CONCAT2 (NAME,_new_section_hook), \
3531 CONCAT2 (NAME,_get_section_contents), \
3532 CONCAT2 (NAME,_get_section_contents_in_window)
3534 /* Called when the BFD is being closed to do any necessary cleanup. */
3535 boolean (*_close_and_cleanup) PARAMS ((bfd *));
3536 /* Ask the BFD to free all cached information. */
3537 boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
3538 /* Called when a new section is created. */
3539 boolean (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3540 /* Read the contents of a section. */
3541 boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3542 file_ptr, bfd_size_type));
3543 boolean (*_bfd_get_section_contents_in_window)
3544 PARAMS ((bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type));
3546 /* Entry points to copy private data. */
3547 #define BFD_JUMP_TABLE_COPY(NAME) \
3548 CONCAT2 (NAME,_bfd_copy_private_bfd_data), \
3549 CONCAT2 (NAME,_bfd_merge_private_bfd_data), \
3550 CONCAT2 (NAME,_bfd_copy_private_section_data), \
3551 CONCAT2 (NAME,_bfd_copy_private_symbol_data), \
3552 CONCAT2 (NAME,_bfd_set_private_flags), \
3553 CONCAT2 (NAME,_bfd_print_private_bfd_data) \
3554 /* Called to copy BFD general private data from one object file
3556 boolean (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3557 /* Called to merge BFD general private data from one object file
3558 to a common output file when linking. */
3559 boolean (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3560 /* Called to copy BFD private section data from one object file
3562 boolean (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3564 /* Called to copy BFD private symbol data from one symbol
3566 boolean (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3568 /* Called to set private backend flags */
3569 boolean (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3571 /* Called to print private BFD data */
3572 boolean (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3574 /* Core file entry points. */
3575 #define BFD_JUMP_TABLE_CORE(NAME) \
3576 CONCAT2 (NAME,_core_file_failing_command), \
3577 CONCAT2 (NAME,_core_file_failing_signal), \
3578 CONCAT2 (NAME,_core_file_matches_executable_p)
3579 char * (*_core_file_failing_command) PARAMS ((bfd *));
3580 int (*_core_file_failing_signal) PARAMS ((bfd *));
3581 boolean (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3583 /* Archive entry points. */
3584 #define BFD_JUMP_TABLE_ARCHIVE(NAME) \
3585 CONCAT2 (NAME,_slurp_armap), \
3586 CONCAT2 (NAME,_slurp_extended_name_table), \
3587 CONCAT2 (NAME,_construct_extended_name_table), \
3588 CONCAT2 (NAME,_truncate_arname), \
3589 CONCAT2 (NAME,_write_armap), \
3590 CONCAT2 (NAME,_read_ar_hdr), \
3591 CONCAT2 (NAME,_openr_next_archived_file), \
3592 CONCAT2 (NAME,_get_elt_at_index), \
3593 CONCAT2 (NAME,_generic_stat_arch_elt), \
3594 CONCAT2 (NAME,_update_armap_timestamp)
3595 boolean (*_bfd_slurp_armap) PARAMS ((bfd *));
3596 boolean (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3597 boolean (*_bfd_construct_extended_name_table)
3598 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3599 void (*_bfd_truncate_arname) PARAMS ((bfd *, const char *, char *));
3600 boolean (*write_armap)
3601 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
3602 PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3603 bfd * (*openr_next_archived_file) PARAMS ((bfd *, bfd *));
3604 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3605 bfd * (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3606 int (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3607 boolean (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3609 /* Entry points used for symbols. */
3610 #define BFD_JUMP_TABLE_SYMBOLS(NAME) \
3611 CONCAT2 (NAME,_get_symtab_upper_bound), \
3612 CONCAT2 (NAME,_get_symtab), \
3613 CONCAT2 (NAME,_make_empty_symbol), \
3614 CONCAT2 (NAME,_print_symbol), \
3615 CONCAT2 (NAME,_get_symbol_info), \
3616 CONCAT2 (NAME,_bfd_is_local_label_name), \
3617 CONCAT2 (NAME,_get_lineno), \
3618 CONCAT2 (NAME,_find_nearest_line), \
3619 CONCAT2 (NAME,_bfd_make_debug_symbol), \
3620 CONCAT2 (NAME,_read_minisymbols), \
3621 CONCAT2 (NAME,_minisymbol_to_symbol)
3622 long (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3623 long (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3624 struct symbol_cache_entry **));
3625 struct symbol_cache_entry *
3626 (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3627 void (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3628 struct symbol_cache_entry *,
3629 bfd_print_symbol_type));
3630 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3631 void (*_bfd_get_symbol_info) PARAMS ((bfd *,
3632 struct symbol_cache_entry *,
3634 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3635 boolean (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3637 alent * (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3638 boolean (*_bfd_find_nearest_line)
3639 PARAMS ((bfd *, struct sec *, struct symbol_cache_entry **, bfd_vma,
3640 const char **, const char **, unsigned int *));
3641 /* Back-door to allow format-aware applications to create debug symbols
3642 while using BFD for everything else. Currently used by the assembler
3643 when creating COFF files. */
3644 asymbol *(*_bfd_make_debug_symbol) PARAMS ((bfd *, void *,
3645 unsigned long size));
3646 #define bfd_read_minisymbols(b, d, m, s) \
3647 BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3648 long (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3650 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3651 BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3652 asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3655 /* Routines for relocs. */
3656 #define BFD_JUMP_TABLE_RELOCS(NAME) \
3657 CONCAT2 (NAME,_get_reloc_upper_bound), \
3658 CONCAT2 (NAME,_canonicalize_reloc), \
3659 CONCAT2 (NAME,_bfd_reloc_type_lookup)
3660 long (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3661 long (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3662 struct symbol_cache_entry **));
3663 /* See documentation on reloc types. */
3665 (*reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
3667 /* Routines used when writing an object file. */
3668 #define BFD_JUMP_TABLE_WRITE(NAME) \
3669 CONCAT2 (NAME,_set_arch_mach), \
3670 CONCAT2 (NAME,_set_section_contents)
3671 boolean (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3673 boolean (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3674 file_ptr, bfd_size_type));
3676 /* Routines used by the linker. */
3677 #define BFD_JUMP_TABLE_LINK(NAME) \
3678 CONCAT2 (NAME,_sizeof_headers), \
3679 CONCAT2 (NAME,_bfd_get_relocated_section_contents), \
3680 CONCAT2 (NAME,_bfd_relax_section), \
3681 CONCAT2 (NAME,_bfd_link_hash_table_create), \
3682 CONCAT2 (NAME,_bfd_link_add_symbols), \
3683 CONCAT2 (NAME,_bfd_final_link), \
3684 CONCAT2 (NAME,_bfd_link_split_section), \
3685 CONCAT2 (NAME,_bfd_gc_sections), \
3686 CONCAT2 (NAME,_bfd_merge_sections)
3687 int (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3688 bfd_byte *(*_bfd_get_relocated_section_contents)
3689 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
3690 bfd_byte *, boolean, struct symbol_cache_entry **));
3692 boolean (*_bfd_relax_section)
3693 PARAMS ((bfd *, struct sec *, struct bfd_link_info *, boolean *));
3695 /* Create a hash table for the linker. Different backends store
3696 different information in this table. */
3697 struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3699 /* Add symbols from this object file into the hash table. */
3700 boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3702 /* Do a link based on the link_order structures attached to each
3703 section of the BFD. */
3704 boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3706 /* Should this section be split up into smaller pieces during linking. */
3707 boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3709 /* Remove sections that are not referenced from the output. */
3710 boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3712 /* Attempt to merge SEC_MERGE sections. */
3713 boolean (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
3715 /* Routines to handle dynamic symbols and relocs. */
3716 #define BFD_JUMP_TABLE_DYNAMIC(NAME) \
3717 CONCAT2 (NAME,_get_dynamic_symtab_upper_bound), \
3718 CONCAT2 (NAME,_canonicalize_dynamic_symtab), \
3719 CONCAT2 (NAME,_get_dynamic_reloc_upper_bound), \
3720 CONCAT2 (NAME,_canonicalize_dynamic_reloc)
3721 /* Get the amount of memory required to hold the dynamic symbols. */
3722 long (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3723 /* Read in the dynamic symbols. */
3724 long (*_bfd_canonicalize_dynamic_symtab)
3725 PARAMS ((bfd *, struct symbol_cache_entry **));
3726 /* Get the amount of memory required to hold the dynamic relocs. */
3727 long (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3728 /* Read in the dynamic relocs. */
3729 long (*_bfd_canonicalize_dynamic_reloc)
3730 PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3732 /* Opposite endian version of this target. */
3733 const struct bfd_target * alternative_target;
3739 bfd_set_default_target PARAMS ((const char *name));
3742 bfd_find_target PARAMS ((const char *target_name, bfd *abfd));
3745 bfd_target_list PARAMS ((void));
3748 bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *));
3751 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3754 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3757 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3760 bfd_format_string PARAMS ((bfd_format format));