854dd0ebc785dd3fd49ef752ba4a0aba3d3fd5b2
[deliverable/binutils-gdb.git] / bfd / bfd-in2.h
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. */
6
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,
9 2000, 2001
10 Free Software Foundation, Inc.
11 Contributed by Cygnus Support.
12
13 This file is part of BFD, the Binary File Descriptor library.
14
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.
19
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.
24
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. */
28
29 #ifndef __BFD_H_SEEN__
30 #define __BFD_H_SEEN__
31
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35
36 #include "ansidecl.h"
37 #include "symcat.h"
38 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
39 #ifndef SABER
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. */
45 #undef CONCAT4
46 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
47 #endif
48 #endif
49
50 #define BFD_VERSION @bfd_version@
51 #define BFD_VERSION_DATE @bfd_version_date@
52 #define BFD_VERSION_STRING @bfd_version_string@
53
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@
58
59 /* The word size of the default bfd target. */
60 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
61
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@
66 #endif
67
68 #if BFD_ARCH_SIZE >= 64
69 #define BFD64
70 #endif
71
72 #ifndef INLINE
73 #if __GNUC__ >= 2
74 #define INLINE __inline__
75 #else
76 #define INLINE
77 #endif
78 #endif
79
80 /* forward declaration */
81 typedef struct _bfd bfd;
82
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
88 the host. */
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
99 #endif
100 #ifdef MPW
101 /* Pre-emptive strike - get the file with the enum. */
102 #include <Types.h>
103 #define TRUE_FALSE_ALREADY_DEFINED
104 #endif /* MPW */
105 #ifndef TRUE_FALSE_ALREADY_DEFINED
106 typedef enum bfd_boolean {false, true} boolean;
107 #define BFD_TRUE_FALSE
108 #else
109 /* Use enum names that will appear nowhere else. */
110 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
111 #endif
112
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
117 defined above. */
118
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
123 # else
124 # ifdef __GNUC__
125 # if __GNUC__ >= 2
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) */
132
133 #ifdef BFD64
134
135 #ifndef BFD_HOST_64_BIT
136 #error No 64 bit integer type available
137 #endif /* ! defined (BFD_HOST_64_BIT) */
138
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;
143
144 #ifndef fprintf_vma
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)
148 #else
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))
155 #endif
156 #endif
157
158 #else /* not BFD64 */
159
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;
164
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;
170
171 typedef unsigned long symvalue;
172 typedef unsigned long bfd_size_type;
173
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)
177
178 #endif /* not BFD64 */
179
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;
190
191 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
192 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
193
194 #define printf_vma(x) fprintf_vma(stdout,x)
195 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
196
197 typedef unsigned int flagword; /* 32 bits of flags */
198 typedef unsigned char bfd_byte;
199 \f
200 /** File formats */
201
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! */
208 bfd_format;
209
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). */
216
217 /* No flags. */
218 #define BFD_NO_FLAGS 0x00
219
220 /* BFD contains relocation entries. */
221 #define HAS_RELOC 0x01
222
223 /* BFD is directly executable. */
224 #define EXEC_P 0x02
225
226 /* BFD has line number information (basically used for F_LNNO in a
227 COFF header). */
228 #define HAS_LINENO 0x04
229
230 /* BFD has debugging information. */
231 #define HAS_DEBUG 0x08
232
233 /* BFD has symbols. */
234 #define HAS_SYMS 0x10
235
236 /* BFD has local symbols (basically used for F_LSYMS in a COFF
237 header). */
238 #define HAS_LOCALS 0x20
239
240 /* BFD is a dynamic object. */
241 #define DYNAMIC 0x40
242
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). */
246 #define WP_TEXT 0x80
247
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
251
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
254 this is not set). */
255 #define BFD_IS_RELAXABLE 0x200
256
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
260 duplicates. */
261 #define BFD_TRADITIONAL_FORMAT 0x400
262
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
266 \f
267 /* symbols and relocation */
268
269 /* A count of carsyms (canonical archive symbols). */
270 typedef unsigned long symindex;
271
272 /* How to perform a relocation. */
273 typedef const struct reloc_howto_struct reloc_howto_type;
274
275 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
276
277 /* General purpose part of a symbol X;
278 target specific parts are in libcoff.h, libaout.h, etc. */
279
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)
289
290 /* A canonical archive symbol. */
291 /* This is a type pun with struct ranlib on purpose! */
292 typedef struct carsym {
293 char *name;
294 file_ptr file_offset; /* look here to find the file */
295 } carsym; /* to make these you call a carsymogen */
296
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 */
301 union {
302 file_ptr pos;
303 bfd *abfd;
304 } u; /* bfd* or file position */
305 int namidx; /* index into string table */
306 };
307 \f
308 /* Linenumber stuff */
309 typedef struct lineno_cache_entry {
310 unsigned int line_number; /* Linenumber from start of function*/
311 union {
312 struct symbol_cache_entry *sym; /* Function name */
313 bfd_vma offset; /* Offset into section */
314 } u;
315 } alent;
316 \f
317 /* object and core file sections */
318
319 #define align_power(addr, align) \
320 ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
321
322 typedef struct sec *sec_ptr;
323
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)
334
335 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
336
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)
340
341 typedef struct stat stat_type;
342 \f
343 typedef enum bfd_print_symbol
344 {
345 bfd_print_symbol_name,
346 bfd_print_symbol_more,
347 bfd_print_symbol_all
348 } bfd_print_symbol_type;
349
350 /* Information about a symbol that nm needs. */
351
352 typedef struct _symbol_info
353 {
354 symvalue value;
355 char type;
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. */
361 } symbol_info;
362
363 /* Get the name of a stabs type code. */
364
365 extern const char *bfd_get_stab_name PARAMS ((int));
366 \f
367 /* Hash table routines. There is no way to free up a hash table. */
368
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. */
371
372 struct bfd_hash_entry
373 {
374 /* Next entry for this hash code. */
375 struct bfd_hash_entry *next;
376 /* String being hashed. */
377 const char *string;
378 /* Hash code. This is the full hash code, not the index into the
379 table. */
380 unsigned long hash;
381 };
382
383 /* A hash table. */
384
385 struct bfd_hash_table
386 {
387 /* The hash array. */
388 struct bfd_hash_entry **table;
389 /* The number of slots in the hash table. */
390 unsigned int size;
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 *,
400 const char *));
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. */
403 PTR memory;
404 };
405
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 *,
411 const char *)));
412
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 *,
418 const char *),
419 unsigned int size));
420
421 /* Free up a hash table. */
422 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
423
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,
430 boolean copy));
431
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));
436
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 *,
440 const char *));
441
442 /* Grab some space for a hash table entry. */
443 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
444 unsigned int));
445
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 *,
451 PTR),
452 PTR info));
453
454 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
455
456 /* User program access to BFD facilities */
457
458 /* Direct I/O routines, for programs which know more about the object
459 file than BFD does. Use higher level routines if possible. */
460
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 *));
467
468 /* Deprecated old routines. */
469 #if __GNUC__
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)))
476 #else
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)))
483 #endif
484 extern void warn_deprecated
485 PARAMS ((const char *, const char *, int, const char *));
486
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)
508
509 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
510 #define bfd_usrdata(abfd) ((abfd)->usrdata)
511
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)
516
517 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
518
519 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
520
521 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
522 /* NB: This declaration should match the autogenerated one in libbfd.h. */
523
524 extern boolean bfd_record_phdr
525 PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
526 boolean, boolean, unsigned int, struct sec **));
527
528 /* Byte swapping routines. */
529
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 *));
548
549 /* Byte swapping routines which take size and endiannes as arguments. */
550
551 bfd_vma bfd_get_bits PARAMS ((bfd_byte *, int, boolean));
552 void bfd_put_bits PARAMS ((bfd_vma, bfd_byte *, int, boolean));
553 \f
554 /* Externally visible ECOFF routines. */
555
556 #if defined(__STDC__) || defined(ALMOST_STDC)
557 struct ecoff_debug_info;
558 struct ecoff_debug_swap;
559 struct ecoff_extr;
560 struct symbol_cache_entry;
561 struct bfd_link_info;
562 struct bfd_link_hash_entry;
563 struct bfd_elf_version_tree;
564 #endif
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 *,
595 bfd_size_type)));
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 *,
612 char **));
613
614 /* Externally visible ELF routines. */
615
616 struct bfd_link_needed_list
617 {
618 struct bfd_link_needed_list *next;
619 bfd *by;
620 const char *name;
621 };
622
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
645 /* Return an upper bound on the number of bytes required to store a
646 copy of ABFD's program header table entries. Return -1 if an error
647 occurs; bfd_get_error will return an appropriate code. */
648 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
649
650 /* Copy ABFD's program header table entries to *PHDRS. The entries
651 will be stored as an array of Elf_Internal_Phdr structures, as
652 defined in include/elf/internal.h. To find out how large the
653 buffer needs to be, call bfd_get_elf_phdr_upper_bound.
654
655 Return the number of program header table entries read, or -1 if an
656 error occurs; bfd_get_error will return an appropriate code. */
657 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
658
659 /* Return the arch_size field of an elf bfd, or -1 if not elf. */
660 extern int bfd_get_arch_size PARAMS ((bfd *));
661
662 /* Return true if address "naturally" sign extends, or -1 if not elf. */
663 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
664
665 extern boolean bfd_m68k_elf32_create_embedded_relocs
666 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
667 char **));
668
669 /* SunOS shared library support routines for the linker. */
670
671 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
672 PARAMS ((bfd *, struct bfd_link_info *));
673 extern boolean bfd_sunos_record_link_assignment
674 PARAMS ((bfd *, struct bfd_link_info *, const char *));
675 extern boolean bfd_sunos_size_dynamic_sections
676 PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
677 struct sec **));
678
679 /* Linux shared library support routines for the linker. */
680
681 extern boolean bfd_i386linux_size_dynamic_sections
682 PARAMS ((bfd *, struct bfd_link_info *));
683 extern boolean bfd_m68klinux_size_dynamic_sections
684 PARAMS ((bfd *, struct bfd_link_info *));
685 extern boolean bfd_sparclinux_size_dynamic_sections
686 PARAMS ((bfd *, struct bfd_link_info *));
687
688 /* mmap hacks */
689
690 struct _bfd_window_internal;
691 typedef struct _bfd_window_internal bfd_window_internal;
692
693 typedef struct _bfd_window {
694 /* What the user asked for. */
695 PTR data;
696 bfd_size_type size;
697 /* The actual window used by BFD. Small user-requested read-only
698 regions sharing a page may share a single window into the object
699 file. Read-write versions shouldn't until I've fixed things to
700 keep track of which portions have been claimed by the
701 application; don't want to give the same region back when the
702 application wants two writable copies! */
703 struct _bfd_window_internal *i;
704 } bfd_window;
705
706 extern void bfd_init_window PARAMS ((bfd_window *));
707 extern void bfd_free_window PARAMS ((bfd_window *));
708 extern boolean bfd_get_file_window
709 PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
710
711 /* XCOFF support routines for the linker. */
712
713 extern boolean bfd_xcoff_link_record_set
714 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
715 bfd_size_type));
716 extern boolean bfd_xcoff_import_symbol
717 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
718 bfd_vma, const char *, const char *, const char *, unsigned int));
719 extern boolean bfd_xcoff_export_symbol
720 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
721 extern boolean bfd_xcoff_link_count_reloc
722 PARAMS ((bfd *, struct bfd_link_info *, const char *));
723 extern boolean bfd_xcoff_record_link_assignment
724 PARAMS ((bfd *, struct bfd_link_info *, const char *));
725 extern boolean bfd_xcoff_size_dynamic_sections
726 PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
727 unsigned long, unsigned long, unsigned long, boolean,
728 int, boolean, boolean, struct sec **));
729
730 /* Externally visible COFF routines. */
731
732 #if defined(__STDC__) || defined(ALMOST_STDC)
733 struct internal_syment;
734 union internal_auxent;
735 #endif
736
737 extern boolean bfd_coff_get_syment
738 PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
739
740 extern boolean bfd_coff_get_auxent
741 PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
742
743 extern boolean bfd_coff_set_symbol_class
744 PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
745
746 extern boolean bfd_m68k_coff_create_embedded_relocs
747 PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
748 char **));
749
750 /* ARM Interworking support. Called from linker. */
751 extern boolean bfd_arm_allocate_interworking_sections
752 PARAMS ((struct bfd_link_info *));
753
754 extern boolean bfd_arm_process_before_allocation
755 PARAMS ((bfd *, struct bfd_link_info *, int));
756
757 extern boolean bfd_arm_get_bfd_for_interworking
758 PARAMS ((bfd *, struct bfd_link_info *));
759
760 /* PE ARM Interworking support. Called from linker. */
761 extern boolean bfd_arm_pe_allocate_interworking_sections
762 PARAMS ((struct bfd_link_info *));
763
764 extern boolean bfd_arm_pe_process_before_allocation
765 PARAMS ((bfd *, struct bfd_link_info *, int));
766
767 extern boolean bfd_arm_pe_get_bfd_for_interworking
768 PARAMS ((bfd *, struct bfd_link_info *));
769
770 /* ELF ARM Interworking support. Called from linker. */
771 extern boolean bfd_elf32_arm_allocate_interworking_sections
772 PARAMS ((struct bfd_link_info *));
773
774 extern boolean bfd_elf32_arm_process_before_allocation
775 PARAMS ((bfd *, struct bfd_link_info *, int));
776
777 extern boolean bfd_elf32_arm_get_bfd_for_interworking
778 PARAMS ((bfd *, struct bfd_link_info *));
779
780 /* TI COFF load page support. */
781 extern void bfd_ticoff_set_section_load_page
782 PARAMS ((struct sec *, int));
783
784 extern int bfd_ticoff_get_section_load_page
785 PARAMS ((struct sec *));
786
787 /* And more from the source. */
788 void
789 bfd_init PARAMS ((void));
790
791 bfd *
792 bfd_openr PARAMS ((const char *filename, const char *target));
793
794 bfd *
795 bfd_fdopenr PARAMS ((const char *filename, const char *target, int fd));
796
797 bfd *
798 bfd_openstreamr PARAMS ((const char *, const char *, PTR));
799
800 bfd *
801 bfd_openw PARAMS ((const char *filename, const char *target));
802
803 boolean
804 bfd_close PARAMS ((bfd *abfd));
805
806 boolean
807 bfd_close_all_done PARAMS ((bfd *));
808
809 bfd *
810 bfd_create PARAMS ((const char *filename, bfd *templ));
811
812 boolean
813 bfd_make_writable PARAMS ((bfd *abfd));
814
815 boolean
816 bfd_make_readable PARAMS ((bfd *abfd));
817
818
819 /* Byte swapping macros for user section data. */
820
821 #define bfd_put_8(abfd, val, ptr) \
822 ((void) (*((unsigned char *) (ptr)) = (unsigned char) (val)))
823 #define bfd_put_signed_8 \
824 bfd_put_8
825 #define bfd_get_8(abfd, ptr) \
826 (*(unsigned char *) (ptr) & 0xff)
827 #define bfd_get_signed_8(abfd, ptr) \
828 (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
829
830 #define bfd_put_16(abfd, val, ptr) \
831 BFD_SEND(abfd, bfd_putx16, ((val),(ptr)))
832 #define bfd_put_signed_16 \
833 bfd_put_16
834 #define bfd_get_16(abfd, ptr) \
835 BFD_SEND(abfd, bfd_getx16, (ptr))
836 #define bfd_get_signed_16(abfd, ptr) \
837 BFD_SEND (abfd, bfd_getx_signed_16, (ptr))
838
839 #define bfd_put_32(abfd, val, ptr) \
840 BFD_SEND(abfd, bfd_putx32, ((val),(ptr)))
841 #define bfd_put_signed_32 \
842 bfd_put_32
843 #define bfd_get_32(abfd, ptr) \
844 BFD_SEND(abfd, bfd_getx32, (ptr))
845 #define bfd_get_signed_32(abfd, ptr) \
846 BFD_SEND(abfd, bfd_getx_signed_32, (ptr))
847
848 #define bfd_put_64(abfd, val, ptr) \
849 BFD_SEND(abfd, bfd_putx64, ((val), (ptr)))
850 #define bfd_put_signed_64 \
851 bfd_put_64
852 #define bfd_get_64(abfd, ptr) \
853 BFD_SEND(abfd, bfd_getx64, (ptr))
854 #define bfd_get_signed_64(abfd, ptr) \
855 BFD_SEND(abfd, bfd_getx_signed_64, (ptr))
856
857 #define bfd_get(bits, abfd, ptr) \
858 ( (bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \
859 : (bits) == 16 ? bfd_get_16 (abfd, ptr) \
860 : (bits) == 32 ? bfd_get_32 (abfd, ptr) \
861 : (bits) == 64 ? bfd_get_64 (abfd, ptr) \
862 : (abort (), (bfd_vma) - 1))
863
864 #define bfd_put(bits, abfd, val, ptr) \
865 ( (bits) == 8 ? bfd_put_8 (abfd, val, ptr) \
866 : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \
867 : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \
868 : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \
869 : (abort (), (void) 0))
870
871
872 /* Byte swapping macros for file header data. */
873
874 #define bfd_h_put_8(abfd, val, ptr) \
875 bfd_put_8 (abfd, val, ptr)
876 #define bfd_h_put_signed_8(abfd, val, ptr) \
877 bfd_put_8 (abfd, val, ptr)
878 #define bfd_h_get_8(abfd, ptr) \
879 bfd_get_8 (abfd, ptr)
880 #define bfd_h_get_signed_8(abfd, ptr) \
881 bfd_get_signed_8 (abfd, ptr)
882
883 #define bfd_h_put_16(abfd, val, ptr) \
884 BFD_SEND (abfd, bfd_h_putx16, (val, ptr))
885 #define bfd_h_put_signed_16 \
886 bfd_h_put_16
887 #define bfd_h_get_16(abfd, ptr) \
888 BFD_SEND (abfd, bfd_h_getx16, (ptr))
889 #define bfd_h_get_signed_16(abfd, ptr) \
890 BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr))
891
892 #define bfd_h_put_32(abfd, val, ptr) \
893 BFD_SEND (abfd, bfd_h_putx32, (val, ptr))
894 #define bfd_h_put_signed_32 \
895 bfd_h_put_32
896 #define bfd_h_get_32(abfd, ptr) \
897 BFD_SEND (abfd, bfd_h_getx32, (ptr))
898 #define bfd_h_get_signed_32(abfd, ptr) \
899 BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr))
900
901 #define bfd_h_put_64(abfd, val, ptr) \
902 BFD_SEND (abfd, bfd_h_putx64, (val, ptr))
903 #define bfd_h_put_signed_64 \
904 bfd_h_put_64
905 #define bfd_h_get_64(abfd, ptr) \
906 BFD_SEND (abfd, bfd_h_getx64, (ptr))
907 #define bfd_h_get_signed_64(abfd, ptr) \
908 BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr))
909
910 /* Refinements on the above, which should eventually go away. Save
911 cluttering the source with (bfd_vma) and (bfd_byte *) casts. */
912
913 #define H_PUT_64(abfd, val, where) \
914 bfd_h_put_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
915
916 #define H_PUT_32(abfd, val, where) \
917 bfd_h_put_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
918
919 #define H_PUT_16(abfd, val, where) \
920 bfd_h_put_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
921
922 #define H_PUT_8 bfd_h_put_8
923
924 #define H_PUT_S64(abfd, val, where) \
925 bfd_h_put_signed_64 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
926
927 #define H_PUT_S32(abfd, val, where) \
928 bfd_h_put_signed_32 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
929
930 #define H_PUT_S16(abfd, val, where) \
931 bfd_h_put_signed_16 ((abfd), (bfd_vma) (val), (bfd_byte *) (where))
932
933 #define H_PUT_S8 bfd_h_put_signed_8
934
935 #define H_GET_64(abfd, where) \
936 bfd_h_get_64 ((abfd), (bfd_byte *) (where))
937
938 #define H_GET_32(abfd, where) \
939 bfd_h_get_32 ((abfd), (bfd_byte *) (where))
940
941 #define H_GET_16(abfd, where) \
942 bfd_h_get_16 ((abfd), (bfd_byte *) (where))
943
944 #define H_GET_8 bfd_h_get_8
945
946 #define H_GET_S64(abfd, where) \
947 bfd_h_get_signed_64 ((abfd), (bfd_byte *) (where))
948
949 #define H_GET_S32(abfd, where) \
950 bfd_h_get_signed_32 ((abfd), (bfd_byte *) (where))
951
952 #define H_GET_S16(abfd, where) \
953 bfd_h_get_signed_16 ((abfd), (bfd_byte *) (where))
954
955 #define H_GET_S8 bfd_h_get_signed_8
956
957
958 /* This structure is used for a comdat section, as in PE. A comdat
959 section is associated with a particular symbol. When the linker
960 sees a comdat section, it keeps only one of the sections with a
961 given name and associated with a given symbol. */
962
963 struct bfd_comdat_info
964 {
965 /* The name of the symbol associated with a comdat section. */
966 const char *name;
967
968 /* The local symbol table index of the symbol associated with a
969 comdat section. This is only meaningful to the object file format
970 specific code; it is not an index into the list returned by
971 bfd_canonicalize_symtab. */
972 long symbol;
973 };
974
975 typedef struct sec
976 {
977 /* The name of the section; the name isn't a copy, the pointer is
978 the same as that passed to bfd_make_section. */
979
980 const char *name;
981
982 /* A unique sequence number. */
983
984 int id;
985
986 /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */
987
988 int index;
989
990 /* The next section in the list belonging to the BFD, or NULL. */
991
992 struct sec *next;
993
994 /* The field flags contains attributes of the section. Some
995 flags are read in from the object file, and some are
996 synthesized from other information. */
997
998 flagword flags;
999
1000 #define SEC_NO_FLAGS 0x000
1001
1002 /* Tells the OS to allocate space for this section when loading.
1003 This is clear for a section containing debug information only. */
1004 #define SEC_ALLOC 0x001
1005
1006 /* Tells the OS to load the section from the file when loading.
1007 This is clear for a .bss section. */
1008 #define SEC_LOAD 0x002
1009
1010 /* The section contains data still to be relocated, so there is
1011 some relocation information too. */
1012 #define SEC_RELOC 0x004
1013
1014 /* ELF reserves 4 processor specific bits and 8 operating system
1015 specific bits in sh_flags; at present we can get away with just
1016 one in communicating between the assembler and BFD, but this
1017 isn't a good long-term solution. */
1018 #define SEC_ARCH_BIT_0 0x008
1019
1020 /* A signal to the OS that the section contains read only data. */
1021 #define SEC_READONLY 0x010
1022
1023 /* The section contains code only. */
1024 #define SEC_CODE 0x020
1025
1026 /* The section contains data only. */
1027 #define SEC_DATA 0x040
1028
1029 /* The section will reside in ROM. */
1030 #define SEC_ROM 0x080
1031
1032 /* The section contains constructor information. This section
1033 type is used by the linker to create lists of constructors and
1034 destructors used by <<g++>>. When a back end sees a symbol
1035 which should be used in a constructor list, it creates a new
1036 section for the type of name (e.g., <<__CTOR_LIST__>>), attaches
1037 the symbol to it, and builds a relocation. To build the lists
1038 of constructors, all the linker has to do is catenate all the
1039 sections called <<__CTOR_LIST__>> and relocate the data
1040 contained within - exactly the operations it would peform on
1041 standard data. */
1042 #define SEC_CONSTRUCTOR 0x100
1043
1044 /* The section is a constructor, and should be placed at the
1045 end of the text, data, or bss section(?). */
1046 #define SEC_CONSTRUCTOR_TEXT 0x1100
1047 #define SEC_CONSTRUCTOR_DATA 0x2100
1048 #define SEC_CONSTRUCTOR_BSS 0x3100
1049
1050 /* The section has contents - a data section could be
1051 <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>; a debug section could be
1052 <<SEC_HAS_CONTENTS>> */
1053 #define SEC_HAS_CONTENTS 0x200
1054
1055 /* An instruction to the linker to not output the section
1056 even if it has information which would normally be written. */
1057 #define SEC_NEVER_LOAD 0x400
1058
1059 /* The section is a COFF shared library section. This flag is
1060 only for the linker. If this type of section appears in
1061 the input file, the linker must copy it to the output file
1062 without changing the vma or size. FIXME: Although this
1063 was originally intended to be general, it really is COFF
1064 specific (and the flag was renamed to indicate this). It
1065 might be cleaner to have some more general mechanism to
1066 allow the back end to control what the linker does with
1067 sections. */
1068 #define SEC_COFF_SHARED_LIBRARY 0x800
1069
1070 /* The section has GOT references. This flag is only for the
1071 linker, and is currently only used by the elf32-hppa back end.
1072 It will be set if global offset table references were detected
1073 in this section, which indicate to the linker that the section
1074 contains PIC code, and must be handled specially when doing a
1075 static link. */
1076 #define SEC_HAS_GOT_REF 0x4000
1077
1078 /* The section contains common symbols (symbols may be defined
1079 multiple times, the value of a symbol is the amount of
1080 space it requires, and the largest symbol value is the one
1081 used). Most targets have exactly one of these (which we
1082 translate to bfd_com_section_ptr), but ECOFF has two. */
1083 #define SEC_IS_COMMON 0x8000
1084
1085 /* The section contains only debugging information. For
1086 example, this is set for ELF .debug and .stab sections.
1087 strip tests this flag to see if a section can be
1088 discarded. */
1089 #define SEC_DEBUGGING 0x10000
1090
1091 /* The contents of this section are held in memory pointed to
1092 by the contents field. This is checked by bfd_get_section_contents,
1093 and the data is retrieved from memory if appropriate. */
1094 #define SEC_IN_MEMORY 0x20000
1095
1096 /* The contents of this section are to be excluded by the
1097 linker for executable and shared objects unless those
1098 objects are to be further relocated. */
1099 #define SEC_EXCLUDE 0x40000
1100
1101 /* The contents of this section are to be sorted based on the sum of
1102 the symbol and addend values specified by the associated relocation
1103 entries. Entries without associated relocation entries will be
1104 appended to the end of the section in an unspecified order. */
1105 #define SEC_SORT_ENTRIES 0x80000
1106
1107 /* When linking, duplicate sections of the same name should be
1108 discarded, rather than being combined into a single section as
1109 is usually done. This is similar to how common symbols are
1110 handled. See SEC_LINK_DUPLICATES below. */
1111 #define SEC_LINK_ONCE 0x100000
1112
1113 /* If SEC_LINK_ONCE is set, this bitfield describes how the linker
1114 should handle duplicate sections. */
1115 #define SEC_LINK_DUPLICATES 0x600000
1116
1117 /* This value for SEC_LINK_DUPLICATES means that duplicate
1118 sections with the same name should simply be discarded. */
1119 #define SEC_LINK_DUPLICATES_DISCARD 0x0
1120
1121 /* This value for SEC_LINK_DUPLICATES means that the linker
1122 should warn if there are any duplicate sections, although
1123 it should still only link one copy. */
1124 #define SEC_LINK_DUPLICATES_ONE_ONLY 0x200000
1125
1126 /* This value for SEC_LINK_DUPLICATES means that the linker
1127 should warn if any duplicate sections are a different size. */
1128 #define SEC_LINK_DUPLICATES_SAME_SIZE 0x400000
1129
1130 /* This value for SEC_LINK_DUPLICATES means that the linker
1131 should warn if any duplicate sections contain different
1132 contents. */
1133 #define SEC_LINK_DUPLICATES_SAME_CONTENTS 0x600000
1134
1135 /* This section was created by the linker as part of dynamic
1136 relocation or other arcane processing. It is skipped when
1137 going through the first-pass output, trusting that someone
1138 else up the line will take care of it later. */
1139 #define SEC_LINKER_CREATED 0x800000
1140
1141 /* This section should not be subject to garbage collection. */
1142 #define SEC_KEEP 0x1000000
1143
1144 /* This section contains "short" data, and should be placed
1145 "near" the GP. */
1146 #define SEC_SMALL_DATA 0x2000000
1147
1148 /* This section contains data which may be shared with other
1149 executables or shared objects. */
1150 #define SEC_SHARED 0x4000000
1151
1152 /* When a section with this flag is being linked, then if the size of
1153 the input section is less than a page, it should not cross a page
1154 boundary. If the size of the input section is one page or more, it
1155 should be aligned on a page boundary. */
1156 #define SEC_BLOCK 0x8000000
1157
1158 /* Conditionally link this section; do not link if there are no
1159 references found to any symbol in the section. */
1160 #define SEC_CLINK 0x10000000
1161
1162 /* Attempt to merge identical entities in the section.
1163 Entity size is given in the entsize field. */
1164 #define SEC_MERGE 0x20000000
1165
1166 /* If given with SEC_MERGE, entities to merge are zero terminated
1167 strings where entsize specifies character size instead of fixed
1168 size entries. */
1169 #define SEC_STRINGS 0x40000000
1170
1171 /* This section contains data about section groups. */
1172 #define SEC_GROUP 0x80000000
1173
1174 /* End of section flags. */
1175
1176 /* Some internal packed boolean fields. */
1177
1178 /* See the vma field. */
1179 unsigned int user_set_vma : 1;
1180
1181 /* Whether relocations have been processed. */
1182 unsigned int reloc_done : 1;
1183
1184 /* A mark flag used by some of the linker backends. */
1185 unsigned int linker_mark : 1;
1186
1187 /* Another mark flag used by some of the linker backends. Set for
1188 output sections that have an input section. */
1189 unsigned int linker_has_input : 1;
1190
1191 /* A mark flag used by some linker backends for garbage collection. */
1192 unsigned int gc_mark : 1;
1193
1194 /* Used by the ELF code to mark sections which have been allocated
1195 to segments. */
1196 unsigned int segment_mark : 1;
1197
1198 /* End of internal packed boolean fields. */
1199
1200 /* The virtual memory address of the section - where it will be
1201 at run time. The symbols are relocated against this. The
1202 user_set_vma flag is maintained by bfd; if it's not set, the
1203 backend can assign addresses (for example, in <<a.out>>, where
1204 the default address for <<.data>> is dependent on the specific
1205 target and various flags). */
1206
1207 bfd_vma vma;
1208
1209 /* The load address of the section - where it would be in a
1210 rom image; really only used for writing section header
1211 information. */
1212
1213 bfd_vma lma;
1214
1215 /* The size of the section in octets, as it will be output.
1216 Contains a value even if the section has no contents (e.g., the
1217 size of <<.bss>>). This will be filled in after relocation. */
1218
1219 bfd_size_type _cooked_size;
1220
1221 /* The original size on disk of the section, in octets. Normally this
1222 value is the same as the size, but if some relaxing has
1223 been done, then this value will be bigger. */
1224
1225 bfd_size_type _raw_size;
1226
1227 /* If this section is going to be output, then this value is the
1228 offset in *bytes* into the output section of the first byte in the
1229 input section (byte ==> smallest addressable unit on the
1230 target). In most cases, if this was going to start at the
1231 100th octet (8-bit quantity) in the output section, this value
1232 would be 100. However, if the target byte size is 16 bits
1233 (bfd_octets_per_byte is "2"), this value would be 50. */
1234
1235 bfd_vma output_offset;
1236
1237 /* The output section through which to map on output. */
1238
1239 struct sec *output_section;
1240
1241 /* The alignment requirement of the section, as an exponent of 2 -
1242 e.g., 3 aligns to 2^3 (or 8). */
1243
1244 unsigned int alignment_power;
1245
1246 /* If an input section, a pointer to a vector of relocation
1247 records for the data in this section. */
1248
1249 struct reloc_cache_entry *relocation;
1250
1251 /* If an output section, a pointer to a vector of pointers to
1252 relocation records for the data in this section. */
1253
1254 struct reloc_cache_entry **orelocation;
1255
1256 /* The number of relocation records in one of the above */
1257
1258 unsigned reloc_count;
1259
1260 /* Information below is back end specific - and not always used
1261 or updated. */
1262
1263 /* File position of section data. */
1264
1265 file_ptr filepos;
1266
1267 /* File position of relocation info. */
1268
1269 file_ptr rel_filepos;
1270
1271 /* File position of line data. */
1272
1273 file_ptr line_filepos;
1274
1275 /* Pointer to data for applications. */
1276
1277 PTR userdata;
1278
1279 /* If the SEC_IN_MEMORY flag is set, this points to the actual
1280 contents. */
1281 unsigned char *contents;
1282
1283 /* Attached line number information. */
1284
1285 alent *lineno;
1286
1287 /* Number of line number records. */
1288
1289 unsigned int lineno_count;
1290
1291 /* Entity size for merging purposes. */
1292
1293 unsigned int entsize;
1294
1295 /* Optional information about a COMDAT entry; NULL if not COMDAT. */
1296
1297 struct bfd_comdat_info *comdat;
1298
1299 /* When a section is being output, this value changes as more
1300 linenumbers are written out. */
1301
1302 file_ptr moving_line_filepos;
1303
1304 /* What the section number is in the target world. */
1305
1306 int target_index;
1307
1308 PTR used_by_bfd;
1309
1310 /* If this is a constructor section then here is a list of the
1311 relocations created to relocate items within it. */
1312
1313 struct relent_chain *constructor_chain;
1314
1315 /* The BFD which owns the section. */
1316
1317 bfd *owner;
1318
1319 /* A symbol which points at this section only */
1320 struct symbol_cache_entry *symbol;
1321 struct symbol_cache_entry **symbol_ptr_ptr;
1322
1323 struct bfd_link_order *link_order_head;
1324 struct bfd_link_order *link_order_tail;
1325 } asection ;
1326
1327 /* These sections are global, and are managed by BFD. The application
1328 and target back end are not permitted to change the values in
1329 these sections. New code should use the section_ptr macros rather
1330 than referring directly to the const sections. The const sections
1331 may eventually vanish. */
1332 #define BFD_ABS_SECTION_NAME "*ABS*"
1333 #define BFD_UND_SECTION_NAME "*UND*"
1334 #define BFD_COM_SECTION_NAME "*COM*"
1335 #define BFD_IND_SECTION_NAME "*IND*"
1336
1337 /* the absolute section */
1338 extern const asection bfd_abs_section;
1339 #define bfd_abs_section_ptr ((asection *) &bfd_abs_section)
1340 #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr)
1341 /* Pointer to the undefined section */
1342 extern const asection bfd_und_section;
1343 #define bfd_und_section_ptr ((asection *) &bfd_und_section)
1344 #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr)
1345 /* Pointer to the common section */
1346 extern const asection bfd_com_section;
1347 #define bfd_com_section_ptr ((asection *) &bfd_com_section)
1348 /* Pointer to the indirect section */
1349 extern const asection bfd_ind_section;
1350 #define bfd_ind_section_ptr ((asection *) &bfd_ind_section)
1351 #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr)
1352
1353 extern const struct symbol_cache_entry * const bfd_abs_symbol;
1354 extern const struct symbol_cache_entry * const bfd_com_symbol;
1355 extern const struct symbol_cache_entry * const bfd_und_symbol;
1356 extern const struct symbol_cache_entry * const bfd_ind_symbol;
1357 #define bfd_get_section_size_before_reloc(section) \
1358 ((section)->reloc_done ? (abort (), (bfd_size_type) 1) \
1359 : (section)->_raw_size)
1360 #define bfd_get_section_size_after_reloc(section) \
1361 ((section)->reloc_done ? (section)->_cooked_size \
1362 : (abort (), (bfd_size_type) 1))
1363 asection *
1364 bfd_get_section_by_name PARAMS ((bfd *abfd, const char *name));
1365
1366 char *
1367 bfd_get_unique_section_name PARAMS ((bfd *abfd,
1368 const char *templat,
1369 int *count));
1370
1371 asection *
1372 bfd_make_section_old_way PARAMS ((bfd *abfd, const char *name));
1373
1374 asection *
1375 bfd_make_section_anyway PARAMS ((bfd *abfd, const char *name));
1376
1377 asection *
1378 bfd_make_section PARAMS ((bfd *, const char *name));
1379
1380 boolean
1381 bfd_set_section_flags PARAMS ((bfd *abfd, asection *sec, flagword flags));
1382
1383 void
1384 bfd_map_over_sections PARAMS ((bfd *abfd,
1385 void (*func) (bfd *abfd,
1386 asection *sect,
1387 PTR obj),
1388 PTR obj));
1389
1390 boolean
1391 bfd_set_section_size PARAMS ((bfd *abfd, asection *sec, bfd_size_type val));
1392
1393 boolean
1394 bfd_set_section_contents PARAMS ((bfd *abfd, asection *section,
1395 PTR data, file_ptr offset,
1396 bfd_size_type count));
1397
1398 boolean
1399 bfd_get_section_contents PARAMS ((bfd *abfd, asection *section,
1400 PTR location, file_ptr offset,
1401 bfd_size_type count));
1402
1403 boolean
1404 bfd_copy_private_section_data PARAMS ((bfd *ibfd, asection *isec,
1405 bfd *obfd, asection *osec));
1406
1407 #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \
1408 BFD_SEND (obfd, _bfd_copy_private_section_data, \
1409 (ibfd, isection, obfd, osection))
1410 void
1411 _bfd_strip_section_from_output PARAMS ((struct bfd_link_info *info, asection *section));
1412
1413 enum bfd_architecture
1414 {
1415 bfd_arch_unknown, /* File arch not known */
1416 bfd_arch_obscure, /* Arch known, not one of these */
1417 bfd_arch_m68k, /* Motorola 68xxx */
1418 #define bfd_mach_m68000 1
1419 #define bfd_mach_m68008 2
1420 #define bfd_mach_m68010 3
1421 #define bfd_mach_m68020 4
1422 #define bfd_mach_m68030 5
1423 #define bfd_mach_m68040 6
1424 #define bfd_mach_m68060 7
1425 #define bfd_mach_cpu32 8
1426 #define bfd_mach_mcf5200 9
1427 #define bfd_mach_mcf5206e 10
1428 #define bfd_mach_mcf5307 11
1429 #define bfd_mach_mcf5407 12
1430 bfd_arch_vax, /* DEC Vax */
1431 bfd_arch_i960, /* Intel 960 */
1432 /* The order of the following is important.
1433 lower number indicates a machine type that
1434 only accepts a subset of the instructions
1435 available to machines with higher numbers.
1436 The exception is the "ca", which is
1437 incompatible with all other machines except
1438 "core". */
1439
1440 #define bfd_mach_i960_core 1
1441 #define bfd_mach_i960_ka_sa 2
1442 #define bfd_mach_i960_kb_sb 3
1443 #define bfd_mach_i960_mc 4
1444 #define bfd_mach_i960_xa 5
1445 #define bfd_mach_i960_ca 6
1446 #define bfd_mach_i960_jx 7
1447 #define bfd_mach_i960_hx 8
1448
1449 bfd_arch_a29k, /* AMD 29000 */
1450 bfd_arch_sparc, /* SPARC */
1451 #define bfd_mach_sparc 1
1452 /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */
1453 #define bfd_mach_sparc_sparclet 2
1454 #define bfd_mach_sparc_sparclite 3
1455 #define bfd_mach_sparc_v8plus 4
1456 #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns */
1457 #define bfd_mach_sparc_sparclite_le 6
1458 #define bfd_mach_sparc_v9 7
1459 #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns */
1460 #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns */
1461 #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns */
1462 /* Nonzero if MACH has the v9 instruction set. */
1463 #define bfd_mach_sparc_v9_p(mach) \
1464 ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
1465 && (mach) != bfd_mach_sparc_sparclite_le)
1466 bfd_arch_mips, /* MIPS Rxxxx */
1467 #define bfd_mach_mips3000 3000
1468 #define bfd_mach_mips3900 3900
1469 #define bfd_mach_mips4000 4000
1470 #define bfd_mach_mips4010 4010
1471 #define bfd_mach_mips4100 4100
1472 #define bfd_mach_mips4111 4111
1473 #define bfd_mach_mips4300 4300
1474 #define bfd_mach_mips4400 4400
1475 #define bfd_mach_mips4600 4600
1476 #define bfd_mach_mips4650 4650
1477 #define bfd_mach_mips5000 5000
1478 #define bfd_mach_mips6000 6000
1479 #define bfd_mach_mips8000 8000
1480 #define bfd_mach_mips10000 10000
1481 #define bfd_mach_mips12000 12000
1482 #define bfd_mach_mips16 16
1483 #define bfd_mach_mips5 5
1484 #define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */
1485 #define bfd_mach_mipsisa32 32
1486 #define bfd_mach_mipsisa64 64
1487 bfd_arch_i386, /* Intel 386 */
1488 #define bfd_mach_i386_i386 0
1489 #define bfd_mach_i386_i8086 1
1490 #define bfd_mach_i386_i386_intel_syntax 2
1491 #define bfd_mach_x86_64 3
1492 #define bfd_mach_x86_64_intel_syntax 4
1493 bfd_arch_we32k, /* AT&T WE32xxx */
1494 bfd_arch_tahoe, /* CCI/Harris Tahoe */
1495 bfd_arch_i860, /* Intel 860 */
1496 bfd_arch_i370, /* IBM 360/370 Mainframes */
1497 bfd_arch_romp, /* IBM ROMP PC/RT */
1498 bfd_arch_alliant, /* Alliant */
1499 bfd_arch_convex, /* Convex */
1500 bfd_arch_m88k, /* Motorola 88xxx */
1501 bfd_arch_pyramid, /* Pyramid Technology */
1502 bfd_arch_h8300, /* Hitachi H8/300 */
1503 #define bfd_mach_h8300 1
1504 #define bfd_mach_h8300h 2
1505 #define bfd_mach_h8300s 3
1506 bfd_arch_pdp11, /* DEC PDP-11 */
1507 bfd_arch_powerpc, /* PowerPC */
1508 #define bfd_mach_ppc 0
1509 #define bfd_mach_ppc_403 403
1510 #define bfd_mach_ppc_403gc 4030
1511 #define bfd_mach_ppc_505 505
1512 #define bfd_mach_ppc_601 601
1513 #define bfd_mach_ppc_602 602
1514 #define bfd_mach_ppc_603 603
1515 #define bfd_mach_ppc_ec603e 6031
1516 #define bfd_mach_ppc_604 604
1517 #define bfd_mach_ppc_620 620
1518 #define bfd_mach_ppc_630 630
1519 #define bfd_mach_ppc_750 750
1520 #define bfd_mach_ppc_860 860
1521 #define bfd_mach_ppc_a35 35
1522 #define bfd_mach_ppc_rs64ii 642
1523 #define bfd_mach_ppc_rs64iii 643
1524 #define bfd_mach_ppc_7400 7400
1525 bfd_arch_rs6000, /* IBM RS/6000 */
1526 #define bfd_mach_rs6k 0
1527 #define bfd_mach_rs6k_rs1 6001
1528 #define bfd_mach_rs6k_rsc 6003
1529 #define bfd_mach_rs6k_rs2 6002
1530 bfd_arch_hppa, /* HP PA RISC */
1531 bfd_arch_d10v, /* Mitsubishi D10V */
1532 #define bfd_mach_d10v 0
1533 #define bfd_mach_d10v_ts2 2
1534 #define bfd_mach_d10v_ts3 3
1535 bfd_arch_d30v, /* Mitsubishi D30V */
1536 bfd_arch_m68hc11, /* Motorola 68HC11 */
1537 bfd_arch_m68hc12, /* Motorola 68HC12 */
1538 bfd_arch_z8k, /* Zilog Z8000 */
1539 #define bfd_mach_z8001 1
1540 #define bfd_mach_z8002 2
1541 bfd_arch_h8500, /* Hitachi H8/500 */
1542 bfd_arch_sh, /* Hitachi SH */
1543 #define bfd_mach_sh 0
1544 #define bfd_mach_sh2 0x20
1545 #define bfd_mach_sh_dsp 0x2d
1546 #define bfd_mach_sh3 0x30
1547 #define bfd_mach_sh3_dsp 0x3d
1548 #define bfd_mach_sh3e 0x3e
1549 #define bfd_mach_sh4 0x40
1550 bfd_arch_alpha, /* Dec Alpha */
1551 #define bfd_mach_alpha_ev4 0x10
1552 #define bfd_mach_alpha_ev5 0x20
1553 #define bfd_mach_alpha_ev6 0x30
1554 bfd_arch_arm, /* Advanced Risc Machines ARM */
1555 #define bfd_mach_arm_2 1
1556 #define bfd_mach_arm_2a 2
1557 #define bfd_mach_arm_3 3
1558 #define bfd_mach_arm_3M 4
1559 #define bfd_mach_arm_4 5
1560 #define bfd_mach_arm_4T 6
1561 #define bfd_mach_arm_5 7
1562 #define bfd_mach_arm_5T 8
1563 #define bfd_mach_arm_5TE 9
1564 #define bfd_mach_arm_XScale 10
1565 bfd_arch_ns32k, /* National Semiconductors ns32000 */
1566 bfd_arch_w65, /* WDC 65816 */
1567 bfd_arch_tic30, /* Texas Instruments TMS320C30 */
1568 bfd_arch_tic54x, /* Texas Instruments TMS320C54X */
1569 bfd_arch_tic80, /* TI TMS320c80 (MVP) */
1570 bfd_arch_v850, /* NEC V850 */
1571 #define bfd_mach_v850 0
1572 #define bfd_mach_v850e 'E'
1573 #define bfd_mach_v850ea 'A'
1574 bfd_arch_arc, /* ARC Cores */
1575 #define bfd_mach_arc_5 0
1576 #define bfd_mach_arc_6 1
1577 #define bfd_mach_arc_7 2
1578 #define bfd_mach_arc_8 3
1579 bfd_arch_m32r, /* Mitsubishi M32R/D */
1580 #define bfd_mach_m32r 0 /* backwards compatibility */
1581 #define bfd_mach_m32rx 'x'
1582 bfd_arch_mn10200, /* Matsushita MN10200 */
1583 bfd_arch_mn10300, /* Matsushita MN10300 */
1584 #define bfd_mach_mn10300 300
1585 #define bfd_mach_am33 330
1586 bfd_arch_fr30,
1587 #define bfd_mach_fr30 0x46523330
1588 bfd_arch_mcore,
1589 bfd_arch_ia64, /* HP/Intel ia64 */
1590 #define bfd_mach_ia64_elf64 0
1591 #define bfd_mach_ia64_elf32 1
1592 bfd_arch_pj,
1593 bfd_arch_avr, /* Atmel AVR microcontrollers */
1594 #define bfd_mach_avr1 1
1595 #define bfd_mach_avr2 2
1596 #define bfd_mach_avr3 3
1597 #define bfd_mach_avr4 4
1598 #define bfd_mach_avr5 5
1599 bfd_arch_cris, /* Axis CRIS */
1600 bfd_arch_s390, /* IBM s390 */
1601 #define bfd_mach_s390_esa 0
1602 #define bfd_mach_s390_esame 1
1603 bfd_arch_openrisc, /* OpenRISC */
1604 bfd_arch_last
1605 };
1606
1607 typedef struct bfd_arch_info
1608 {
1609 int bits_per_word;
1610 int bits_per_address;
1611 int bits_per_byte;
1612 enum bfd_architecture arch;
1613 unsigned long mach;
1614 const char *arch_name;
1615 const char *printable_name;
1616 unsigned int section_align_power;
1617 /* True if this is the default machine for the architecture. */
1618 boolean the_default;
1619 const struct bfd_arch_info * (*compatible)
1620 PARAMS ((const struct bfd_arch_info *a,
1621 const struct bfd_arch_info *b));
1622
1623 boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
1624
1625 const struct bfd_arch_info *next;
1626 } bfd_arch_info_type;
1627 const char *
1628 bfd_printable_name PARAMS ((bfd *abfd));
1629
1630 const bfd_arch_info_type *
1631 bfd_scan_arch PARAMS ((const char *string));
1632
1633 const char **
1634 bfd_arch_list PARAMS ((void));
1635
1636 const bfd_arch_info_type *
1637 bfd_arch_get_compatible PARAMS ((
1638 const bfd *abfd,
1639 const bfd *bbfd));
1640
1641 void
1642 bfd_set_arch_info PARAMS ((bfd *abfd, const bfd_arch_info_type *arg));
1643
1644 enum bfd_architecture
1645 bfd_get_arch PARAMS ((bfd *abfd));
1646
1647 unsigned long
1648 bfd_get_mach PARAMS ((bfd *abfd));
1649
1650 unsigned int
1651 bfd_arch_bits_per_byte PARAMS ((bfd *abfd));
1652
1653 unsigned int
1654 bfd_arch_bits_per_address PARAMS ((bfd *abfd));
1655
1656 const bfd_arch_info_type *
1657 bfd_get_arch_info PARAMS ((bfd *abfd));
1658
1659 const bfd_arch_info_type *
1660 bfd_lookup_arch PARAMS ((enum bfd_architecture
1661 arch,
1662 unsigned long machine));
1663
1664 const char *
1665 bfd_printable_arch_mach PARAMS ((enum bfd_architecture arch, unsigned long machine));
1666
1667 unsigned int
1668 bfd_octets_per_byte PARAMS ((bfd *abfd));
1669
1670 unsigned int
1671 bfd_arch_mach_octets_per_byte PARAMS ((enum bfd_architecture arch,
1672 unsigned long machine));
1673
1674 typedef enum bfd_reloc_status
1675 {
1676 /* No errors detected */
1677 bfd_reloc_ok,
1678
1679 /* The relocation was performed, but there was an overflow. */
1680 bfd_reloc_overflow,
1681
1682 /* The address to relocate was not within the section supplied. */
1683 bfd_reloc_outofrange,
1684
1685 /* Used by special functions */
1686 bfd_reloc_continue,
1687
1688 /* Unsupported relocation size requested. */
1689 bfd_reloc_notsupported,
1690
1691 /* Unused */
1692 bfd_reloc_other,
1693
1694 /* The symbol to relocate against was undefined. */
1695 bfd_reloc_undefined,
1696
1697 /* The relocation was performed, but may not be ok - presently
1698 generated only when linking i960 coff files with i960 b.out
1699 symbols. If this type is returned, the error_message argument
1700 to bfd_perform_relocation will be set. */
1701 bfd_reloc_dangerous
1702 }
1703 bfd_reloc_status_type;
1704
1705
1706 typedef struct reloc_cache_entry
1707 {
1708 /* A pointer into the canonical table of pointers */
1709 struct symbol_cache_entry **sym_ptr_ptr;
1710
1711 /* offset in section */
1712 bfd_size_type address;
1713
1714 /* addend for relocation value */
1715 bfd_vma addend;
1716
1717 /* Pointer to how to perform the required relocation */
1718 reloc_howto_type *howto;
1719
1720 } arelent;
1721 enum complain_overflow
1722 {
1723 /* Do not complain on overflow. */
1724 complain_overflow_dont,
1725
1726 /* Complain if the bitfield overflows, whether it is considered
1727 as signed or unsigned. */
1728 complain_overflow_bitfield,
1729
1730 /* Complain if the value overflows when considered as signed
1731 number. */
1732 complain_overflow_signed,
1733
1734 /* Complain if the value overflows when considered as an
1735 unsigned number. */
1736 complain_overflow_unsigned
1737 };
1738
1739 struct reloc_howto_struct
1740 {
1741 /* The type field has mainly a documentary use - the back end can
1742 do what it wants with it, though normally the back end's
1743 external idea of what a reloc number is stored
1744 in this field. For example, a PC relative word relocation
1745 in a coff environment has the type 023 - because that's
1746 what the outside world calls a R_PCRWORD reloc. */
1747 unsigned int type;
1748
1749 /* The value the final relocation is shifted right by. This drops
1750 unwanted data from the relocation. */
1751 unsigned int rightshift;
1752
1753 /* The size of the item to be relocated. This is *not* a
1754 power-of-two measure. To get the number of bytes operated
1755 on by a type of relocation, use bfd_get_reloc_size. */
1756 int size;
1757
1758 /* The number of bits in the item to be relocated. This is used
1759 when doing overflow checking. */
1760 unsigned int bitsize;
1761
1762 /* Notes that the relocation is relative to the location in the
1763 data section of the addend. The relocation function will
1764 subtract from the relocation value the address of the location
1765 being relocated. */
1766 boolean pc_relative;
1767
1768 /* The bit position of the reloc value in the destination.
1769 The relocated value is left shifted by this amount. */
1770 unsigned int bitpos;
1771
1772 /* What type of overflow error should be checked for when
1773 relocating. */
1774 enum complain_overflow complain_on_overflow;
1775
1776 /* If this field is non null, then the supplied function is
1777 called rather than the normal function. This allows really
1778 strange relocation methods to be accomodated (e.g., i960 callj
1779 instructions). */
1780 bfd_reloc_status_type (*special_function)
1781 PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, asection *,
1782 bfd *, char **));
1783
1784 /* The textual name of the relocation type. */
1785 char *name;
1786
1787 /* Some formats record a relocation addend in the section contents
1788 rather than with the relocation. For ELF formats this is the
1789 distinction between USE_REL and USE_RELA (though the code checks
1790 for USE_REL == 1/0). The value of this field is TRUE if the
1791 addend is recorded with the section contents; when performing a
1792 partial link (ld -r) the section contents (the data) will be
1793 modified. The value of this field is FALSE if addends are
1794 recorded with the relocation (in arelent.addend); when performing
1795 a partial link the relocation will be modified.
1796 All relocations for all ELF USE_RELA targets should set this field
1797 to FALSE (values of TRUE should be looked on with suspicion).
1798 However, the converse is not true: not all relocations of all ELF
1799 USE_REL targets set this field to TRUE. Why this is so is peculiar
1800 to each particular target. For relocs that aren't used in partial
1801 links (e.g. GOT stuff) it doesn't matter what this is set to. */
1802 boolean partial_inplace;
1803
1804 /* The src_mask selects which parts of the read in data
1805 are to be used in the relocation sum. E.g., if this was an 8 bit
1806 byte of data which we read and relocated, this would be
1807 0x000000ff. When we have relocs which have an addend, such as
1808 sun4 extended relocs, the value in the offset part of a
1809 relocating field is garbage so we never use it. In this case
1810 the mask would be 0x00000000. */
1811 bfd_vma src_mask;
1812
1813 /* The dst_mask selects which parts of the instruction are replaced
1814 into the instruction. In most cases src_mask == dst_mask,
1815 except in the above special case, where dst_mask would be
1816 0x000000ff, and src_mask would be 0x00000000. */
1817 bfd_vma dst_mask;
1818
1819 /* When some formats create PC relative instructions, they leave
1820 the value of the pc of the place being relocated in the offset
1821 slot of the instruction, so that a PC relative relocation can
1822 be made just by adding in an ordinary offset (e.g., sun3 a.out).
1823 Some formats leave the displacement part of an instruction
1824 empty (e.g., m88k bcs); this flag signals the fact. */
1825 boolean pcrel_offset;
1826 };
1827 #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \
1828 { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC }
1829 #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \
1830 HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \
1831 NAME, false, 0, 0, IN)
1832
1833 #define EMPTY_HOWTO(C) \
1834 HOWTO ((C), 0, 0, 0, false, 0, complain_overflow_dont, NULL, \
1835 NULL, false, 0, 0, false)
1836
1837 #define HOWTO_PREPARE(relocation, symbol) \
1838 { \
1839 if (symbol != (asymbol *) NULL) \
1840 { \
1841 if (bfd_is_com_section (symbol->section)) \
1842 { \
1843 relocation = 0; \
1844 } \
1845 else \
1846 { \
1847 relocation = symbol->value; \
1848 } \
1849 } \
1850 }
1851 unsigned int
1852 bfd_get_reloc_size PARAMS ((reloc_howto_type *));
1853
1854 typedef struct relent_chain
1855 {
1856 arelent relent;
1857 struct relent_chain *next;
1858 } arelent_chain;
1859 bfd_reloc_status_type
1860 bfd_check_overflow PARAMS ((enum complain_overflow how,
1861 unsigned int bitsize,
1862 unsigned int rightshift,
1863 unsigned int addrsize,
1864 bfd_vma relocation));
1865
1866 bfd_reloc_status_type
1867 bfd_perform_relocation PARAMS ((bfd *abfd,
1868 arelent *reloc_entry,
1869 PTR data,
1870 asection *input_section,
1871 bfd *output_bfd,
1872 char **error_message));
1873
1874 bfd_reloc_status_type
1875 bfd_install_relocation PARAMS ((bfd *abfd,
1876 arelent *reloc_entry,
1877 PTR data, bfd_vma data_start,
1878 asection *input_section,
1879 char **error_message));
1880
1881 enum bfd_reloc_code_real {
1882 _dummy_first_bfd_reloc_code_real,
1883
1884
1885 /* Basic absolute relocations of N bits. */
1886 BFD_RELOC_64,
1887 BFD_RELOC_32,
1888 BFD_RELOC_26,
1889 BFD_RELOC_24,
1890 BFD_RELOC_16,
1891 BFD_RELOC_14,
1892 BFD_RELOC_8,
1893
1894 /* PC-relative relocations. Sometimes these are relative to the address
1895 of the relocation itself; sometimes they are relative to the start of
1896 the section containing the relocation. It depends on the specific target.
1897
1898 The 24-bit relocation is used in some Intel 960 configurations. */
1899 BFD_RELOC_64_PCREL,
1900 BFD_RELOC_32_PCREL,
1901 BFD_RELOC_24_PCREL,
1902 BFD_RELOC_16_PCREL,
1903 BFD_RELOC_12_PCREL,
1904 BFD_RELOC_8_PCREL,
1905
1906 /* For ELF. */
1907 BFD_RELOC_32_GOT_PCREL,
1908 BFD_RELOC_16_GOT_PCREL,
1909 BFD_RELOC_8_GOT_PCREL,
1910 BFD_RELOC_32_GOTOFF,
1911 BFD_RELOC_16_GOTOFF,
1912 BFD_RELOC_LO16_GOTOFF,
1913 BFD_RELOC_HI16_GOTOFF,
1914 BFD_RELOC_HI16_S_GOTOFF,
1915 BFD_RELOC_8_GOTOFF,
1916 BFD_RELOC_64_PLT_PCREL,
1917 BFD_RELOC_32_PLT_PCREL,
1918 BFD_RELOC_24_PLT_PCREL,
1919 BFD_RELOC_16_PLT_PCREL,
1920 BFD_RELOC_8_PLT_PCREL,
1921 BFD_RELOC_64_PLTOFF,
1922 BFD_RELOC_32_PLTOFF,
1923 BFD_RELOC_16_PLTOFF,
1924 BFD_RELOC_LO16_PLTOFF,
1925 BFD_RELOC_HI16_PLTOFF,
1926 BFD_RELOC_HI16_S_PLTOFF,
1927 BFD_RELOC_8_PLTOFF,
1928
1929 /* Relocations used by 68K ELF. */
1930 BFD_RELOC_68K_GLOB_DAT,
1931 BFD_RELOC_68K_JMP_SLOT,
1932 BFD_RELOC_68K_RELATIVE,
1933
1934 /* Linkage-table relative. */
1935 BFD_RELOC_32_BASEREL,
1936 BFD_RELOC_16_BASEREL,
1937 BFD_RELOC_LO16_BASEREL,
1938 BFD_RELOC_HI16_BASEREL,
1939 BFD_RELOC_HI16_S_BASEREL,
1940 BFD_RELOC_8_BASEREL,
1941 BFD_RELOC_RVA,
1942
1943 /* Absolute 8-bit relocation, but used to form an address like 0xFFnn. */
1944 BFD_RELOC_8_FFnn,
1945
1946 /* These PC-relative relocations are stored as word displacements --
1947 i.e., byte displacements shifted right two bits. The 30-bit word
1948 displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the
1949 SPARC. (SPARC tools generally refer to this as <<WDISP30>>.) The
1950 signed 16-bit displacement is used on the MIPS, and the 23-bit
1951 displacement is used on the Alpha. */
1952 BFD_RELOC_32_PCREL_S2,
1953 BFD_RELOC_16_PCREL_S2,
1954 BFD_RELOC_23_PCREL_S2,
1955
1956 /* High 22 bits and low 10 bits of 32-bit value, placed into lower bits of
1957 the target word. These are used on the SPARC. */
1958 BFD_RELOC_HI22,
1959 BFD_RELOC_LO10,
1960
1961 /* For systems that allocate a Global Pointer register, these are
1962 displacements off that register. These relocation types are
1963 handled specially, because the value the register will have is
1964 decided relatively late. */
1965 BFD_RELOC_GPREL16,
1966 BFD_RELOC_GPREL32,
1967
1968 /* Reloc types used for i960/b.out. */
1969 BFD_RELOC_I960_CALLJ,
1970
1971 /* SPARC ELF relocations. There is probably some overlap with other
1972 relocation types already defined. */
1973 BFD_RELOC_NONE,
1974 BFD_RELOC_SPARC_WDISP22,
1975 BFD_RELOC_SPARC22,
1976 BFD_RELOC_SPARC13,
1977 BFD_RELOC_SPARC_GOT10,
1978 BFD_RELOC_SPARC_GOT13,
1979 BFD_RELOC_SPARC_GOT22,
1980 BFD_RELOC_SPARC_PC10,
1981 BFD_RELOC_SPARC_PC22,
1982 BFD_RELOC_SPARC_WPLT30,
1983 BFD_RELOC_SPARC_COPY,
1984 BFD_RELOC_SPARC_GLOB_DAT,
1985 BFD_RELOC_SPARC_JMP_SLOT,
1986 BFD_RELOC_SPARC_RELATIVE,
1987 BFD_RELOC_SPARC_UA16,
1988 BFD_RELOC_SPARC_UA32,
1989 BFD_RELOC_SPARC_UA64,
1990
1991 /* I think these are specific to SPARC a.out (e.g., Sun 4). */
1992 BFD_RELOC_SPARC_BASE13,
1993 BFD_RELOC_SPARC_BASE22,
1994
1995 /* SPARC64 relocations */
1996 #define BFD_RELOC_SPARC_64 BFD_RELOC_64
1997 BFD_RELOC_SPARC_10,
1998 BFD_RELOC_SPARC_11,
1999 BFD_RELOC_SPARC_OLO10,
2000 BFD_RELOC_SPARC_HH22,
2001 BFD_RELOC_SPARC_HM10,
2002 BFD_RELOC_SPARC_LM22,
2003 BFD_RELOC_SPARC_PC_HH22,
2004 BFD_RELOC_SPARC_PC_HM10,
2005 BFD_RELOC_SPARC_PC_LM22,
2006 BFD_RELOC_SPARC_WDISP16,
2007 BFD_RELOC_SPARC_WDISP19,
2008 BFD_RELOC_SPARC_7,
2009 BFD_RELOC_SPARC_6,
2010 BFD_RELOC_SPARC_5,
2011 #define BFD_RELOC_SPARC_DISP64 BFD_RELOC_64_PCREL
2012 BFD_RELOC_SPARC_PLT64,
2013 BFD_RELOC_SPARC_HIX22,
2014 BFD_RELOC_SPARC_LOX10,
2015 BFD_RELOC_SPARC_H44,
2016 BFD_RELOC_SPARC_M44,
2017 BFD_RELOC_SPARC_L44,
2018 BFD_RELOC_SPARC_REGISTER,
2019
2020 /* SPARC little endian relocation */
2021 BFD_RELOC_SPARC_REV32,
2022
2023 /* Alpha ECOFF and ELF relocations. Some of these treat the symbol or
2024 "addend" in some special way.
2025 For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when
2026 writing; when reading, it will be the absolute section symbol. The
2027 addend is the displacement in bytes of the "lda" instruction from
2028 the "ldah" instruction (which is at the address of this reloc). */
2029 BFD_RELOC_ALPHA_GPDISP_HI16,
2030
2031 /* For GPDISP_LO16 ("ignore") relocations, the symbol is handled as
2032 with GPDISP_HI16 relocs. The addend is ignored when writing the
2033 relocations out, and is filled in with the file's GP value on
2034 reading, for convenience. */
2035 BFD_RELOC_ALPHA_GPDISP_LO16,
2036
2037 /* The ELF GPDISP relocation is exactly the same as the GPDISP_HI16
2038 relocation except that there is no accompanying GPDISP_LO16
2039 relocation. */
2040 BFD_RELOC_ALPHA_GPDISP,
2041
2042 /* The Alpha LITERAL/LITUSE relocs are produced by a symbol reference;
2043 the assembler turns it into a LDQ instruction to load the address of
2044 the symbol, and then fills in a register in the real instruction.
2045
2046 The LITERAL reloc, at the LDQ instruction, refers to the .lita
2047 section symbol. The addend is ignored when writing, but is filled
2048 in with the file's GP value on reading, for convenience, as with the
2049 GPDISP_LO16 reloc.
2050
2051 The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16.
2052 It should refer to the symbol to be referenced, as with 16_GOTOFF,
2053 but it generates output not based on the position within the .got
2054 section, but relative to the GP value chosen for the file during the
2055 final link stage.
2056
2057 The LITUSE reloc, on the instruction using the loaded address, gives
2058 information to the linker that it might be able to use to optimize
2059 away some literal section references. The symbol is ignored (read
2060 as the absolute section symbol), and the "addend" indicates the type
2061 of instruction using the register:
2062 1 - "memory" fmt insn
2063 2 - byte-manipulation (byte offset reg)
2064 3 - jsr (target of branch) */
2065 BFD_RELOC_ALPHA_LITERAL,
2066 BFD_RELOC_ALPHA_ELF_LITERAL,
2067 BFD_RELOC_ALPHA_LITUSE,
2068
2069 /* The HINT relocation indicates a value that should be filled into the
2070 "hint" field of a jmp/jsr/ret instruction, for possible branch-
2071 prediction logic which may be provided on some processors. */
2072 BFD_RELOC_ALPHA_HINT,
2073
2074 /* The LINKAGE relocation outputs a linkage pair in the object file,
2075 which is filled by the linker. */
2076 BFD_RELOC_ALPHA_LINKAGE,
2077
2078 /* The CODEADDR relocation outputs a STO_CA in the object file,
2079 which is filled by the linker. */
2080 BFD_RELOC_ALPHA_CODEADDR,
2081
2082 /* The GPREL_HI/LO relocations together form a 32-bit offset from the
2083 GP register. */
2084 BFD_RELOC_ALPHA_GPREL_HI16,
2085 BFD_RELOC_ALPHA_GPREL_LO16,
2086
2087 /* Bits 27..2 of the relocation address shifted right 2 bits;
2088 simple reloc otherwise. */
2089 BFD_RELOC_MIPS_JMP,
2090
2091 /* The MIPS16 jump instruction. */
2092 BFD_RELOC_MIPS16_JMP,
2093
2094 /* MIPS16 GP relative reloc. */
2095 BFD_RELOC_MIPS16_GPREL,
2096
2097 /* High 16 bits of 32-bit value; simple reloc. */
2098 BFD_RELOC_HI16,
2099
2100 /* High 16 bits of 32-bit value but the low 16 bits will be sign
2101 extended and added to form the final result. If the low 16
2102 bits form a negative number, we need to add one to the high value
2103 to compensate for the borrow when the low bits are added. */
2104 BFD_RELOC_HI16_S,
2105
2106 /* Low 16 bits. */
2107 BFD_RELOC_LO16,
2108
2109 /* Like BFD_RELOC_HI16_S, but PC relative. */
2110 BFD_RELOC_PCREL_HI16_S,
2111
2112 /* Like BFD_RELOC_LO16, but PC relative. */
2113 BFD_RELOC_PCREL_LO16,
2114
2115 /* Relocation relative to the global pointer. */
2116 #define BFD_RELOC_MIPS_GPREL BFD_RELOC_GPREL16
2117
2118 /* Relocation against a MIPS literal section. */
2119 BFD_RELOC_MIPS_LITERAL,
2120
2121 /* MIPS ELF relocations. */
2122 BFD_RELOC_MIPS_GOT16,
2123 BFD_RELOC_MIPS_CALL16,
2124 #define BFD_RELOC_MIPS_GPREL32 BFD_RELOC_GPREL32
2125 BFD_RELOC_MIPS_GOT_HI16,
2126 BFD_RELOC_MIPS_GOT_LO16,
2127 BFD_RELOC_MIPS_CALL_HI16,
2128 BFD_RELOC_MIPS_CALL_LO16,
2129 BFD_RELOC_MIPS_SUB,
2130 BFD_RELOC_MIPS_GOT_PAGE,
2131 BFD_RELOC_MIPS_GOT_OFST,
2132 BFD_RELOC_MIPS_GOT_DISP,
2133 BFD_RELOC_MIPS_SHIFT5,
2134 BFD_RELOC_MIPS_SHIFT6,
2135 BFD_RELOC_MIPS_INSERT_A,
2136 BFD_RELOC_MIPS_INSERT_B,
2137 BFD_RELOC_MIPS_DELETE,
2138 BFD_RELOC_MIPS_HIGHEST,
2139 BFD_RELOC_MIPS_HIGHER,
2140 BFD_RELOC_MIPS_SCN_DISP,
2141 BFD_RELOC_MIPS_REL16,
2142 BFD_RELOC_MIPS_RELGOT,
2143 BFD_RELOC_MIPS_JALR,
2144
2145
2146 /* i386/elf relocations */
2147 BFD_RELOC_386_GOT32,
2148 BFD_RELOC_386_PLT32,
2149 BFD_RELOC_386_COPY,
2150 BFD_RELOC_386_GLOB_DAT,
2151 BFD_RELOC_386_JUMP_SLOT,
2152 BFD_RELOC_386_RELATIVE,
2153 BFD_RELOC_386_GOTOFF,
2154 BFD_RELOC_386_GOTPC,
2155
2156 /* x86-64/elf relocations */
2157 BFD_RELOC_X86_64_GOT32,
2158 BFD_RELOC_X86_64_PLT32,
2159 BFD_RELOC_X86_64_COPY,
2160 BFD_RELOC_X86_64_GLOB_DAT,
2161 BFD_RELOC_X86_64_JUMP_SLOT,
2162 BFD_RELOC_X86_64_RELATIVE,
2163 BFD_RELOC_X86_64_GOTPCREL,
2164 BFD_RELOC_X86_64_32S,
2165
2166 /* ns32k relocations */
2167 BFD_RELOC_NS32K_IMM_8,
2168 BFD_RELOC_NS32K_IMM_16,
2169 BFD_RELOC_NS32K_IMM_32,
2170 BFD_RELOC_NS32K_IMM_8_PCREL,
2171 BFD_RELOC_NS32K_IMM_16_PCREL,
2172 BFD_RELOC_NS32K_IMM_32_PCREL,
2173 BFD_RELOC_NS32K_DISP_8,
2174 BFD_RELOC_NS32K_DISP_16,
2175 BFD_RELOC_NS32K_DISP_32,
2176 BFD_RELOC_NS32K_DISP_8_PCREL,
2177 BFD_RELOC_NS32K_DISP_16_PCREL,
2178 BFD_RELOC_NS32K_DISP_32_PCREL,
2179
2180 /* PDP11 relocations */
2181 BFD_RELOC_PDP11_DISP_8_PCREL,
2182 BFD_RELOC_PDP11_DISP_6_PCREL,
2183
2184 /* Picojava relocs. Not all of these appear in object files. */
2185 BFD_RELOC_PJ_CODE_HI16,
2186 BFD_RELOC_PJ_CODE_LO16,
2187 BFD_RELOC_PJ_CODE_DIR16,
2188 BFD_RELOC_PJ_CODE_DIR32,
2189 BFD_RELOC_PJ_CODE_REL16,
2190 BFD_RELOC_PJ_CODE_REL32,
2191
2192 /* Power(rs6000) and PowerPC relocations. */
2193 BFD_RELOC_PPC_B26,
2194 BFD_RELOC_PPC_BA26,
2195 BFD_RELOC_PPC_TOC16,
2196 BFD_RELOC_PPC_B16,
2197 BFD_RELOC_PPC_B16_BRTAKEN,
2198 BFD_RELOC_PPC_B16_BRNTAKEN,
2199 BFD_RELOC_PPC_BA16,
2200 BFD_RELOC_PPC_BA16_BRTAKEN,
2201 BFD_RELOC_PPC_BA16_BRNTAKEN,
2202 BFD_RELOC_PPC_COPY,
2203 BFD_RELOC_PPC_GLOB_DAT,
2204 BFD_RELOC_PPC_JMP_SLOT,
2205 BFD_RELOC_PPC_RELATIVE,
2206 BFD_RELOC_PPC_LOCAL24PC,
2207 BFD_RELOC_PPC_EMB_NADDR32,
2208 BFD_RELOC_PPC_EMB_NADDR16,
2209 BFD_RELOC_PPC_EMB_NADDR16_LO,
2210 BFD_RELOC_PPC_EMB_NADDR16_HI,
2211 BFD_RELOC_PPC_EMB_NADDR16_HA,
2212 BFD_RELOC_PPC_EMB_SDAI16,
2213 BFD_RELOC_PPC_EMB_SDA2I16,
2214 BFD_RELOC_PPC_EMB_SDA2REL,
2215 BFD_RELOC_PPC_EMB_SDA21,
2216 BFD_RELOC_PPC_EMB_MRKREF,
2217 BFD_RELOC_PPC_EMB_RELSEC16,
2218 BFD_RELOC_PPC_EMB_RELST_LO,
2219 BFD_RELOC_PPC_EMB_RELST_HI,
2220 BFD_RELOC_PPC_EMB_RELST_HA,
2221 BFD_RELOC_PPC_EMB_BIT_FLD,
2222 BFD_RELOC_PPC_EMB_RELSDA,
2223 BFD_RELOC_PPC64_HIGHER,
2224 BFD_RELOC_PPC64_HIGHER_S,
2225 BFD_RELOC_PPC64_HIGHEST,
2226 BFD_RELOC_PPC64_HIGHEST_S,
2227 BFD_RELOC_PPC64_TOC16_LO,
2228 BFD_RELOC_PPC64_TOC16_HI,
2229 BFD_RELOC_PPC64_TOC16_HA,
2230 BFD_RELOC_PPC64_TOC,
2231 BFD_RELOC_PPC64_PLTGOT16,
2232 BFD_RELOC_PPC64_PLTGOT16_LO,
2233 BFD_RELOC_PPC64_PLTGOT16_HI,
2234 BFD_RELOC_PPC64_PLTGOT16_HA,
2235 BFD_RELOC_PPC64_ADDR16_DS,
2236 BFD_RELOC_PPC64_ADDR16_LO_DS,
2237 BFD_RELOC_PPC64_GOT16_DS,
2238 BFD_RELOC_PPC64_GOT16_LO_DS,
2239 BFD_RELOC_PPC64_PLT16_LO_DS,
2240 BFD_RELOC_PPC64_SECTOFF_DS,
2241 BFD_RELOC_PPC64_SECTOFF_LO_DS,
2242 BFD_RELOC_PPC64_TOC16_DS,
2243 BFD_RELOC_PPC64_TOC16_LO_DS,
2244 BFD_RELOC_PPC64_PLTGOT16_DS,
2245 BFD_RELOC_PPC64_PLTGOT16_LO_DS,
2246
2247 /* IBM 370/390 relocations */
2248 BFD_RELOC_I370_D12,
2249
2250 /* The type of reloc used to build a contructor table - at the moment
2251 probably a 32 bit wide absolute relocation, but the target can choose.
2252 It generally does map to one of the other relocation types. */
2253 BFD_RELOC_CTOR,
2254
2255 /* ARM 26 bit pc-relative branch. The lowest two bits must be zero and are
2256 not stored in the instruction. */
2257 BFD_RELOC_ARM_PCREL_BRANCH,
2258
2259 /* ARM 26 bit pc-relative branch. The lowest bit must be zero and is
2260 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2261 field in the instruction. */
2262 BFD_RELOC_ARM_PCREL_BLX,
2263
2264 /* Thumb 22 bit pc-relative branch. The lowest bit must be zero and is
2265 not stored in the instruction. The 2nd lowest bit comes from a 1 bit
2266 field in the instruction. */
2267 BFD_RELOC_THUMB_PCREL_BLX,
2268
2269 /* These relocs are only used within the ARM assembler. They are not
2270 (at present) written to any object files. */
2271 BFD_RELOC_ARM_IMMEDIATE,
2272 BFD_RELOC_ARM_ADRL_IMMEDIATE,
2273 BFD_RELOC_ARM_OFFSET_IMM,
2274 BFD_RELOC_ARM_SHIFT_IMM,
2275 BFD_RELOC_ARM_SWI,
2276 BFD_RELOC_ARM_MULTI,
2277 BFD_RELOC_ARM_CP_OFF_IMM,
2278 BFD_RELOC_ARM_ADR_IMM,
2279 BFD_RELOC_ARM_LDR_IMM,
2280 BFD_RELOC_ARM_LITERAL,
2281 BFD_RELOC_ARM_IN_POOL,
2282 BFD_RELOC_ARM_OFFSET_IMM8,
2283 BFD_RELOC_ARM_HWLITERAL,
2284 BFD_RELOC_ARM_THUMB_ADD,
2285 BFD_RELOC_ARM_THUMB_IMM,
2286 BFD_RELOC_ARM_THUMB_SHIFT,
2287 BFD_RELOC_ARM_THUMB_OFFSET,
2288 BFD_RELOC_ARM_GOT12,
2289 BFD_RELOC_ARM_GOT32,
2290 BFD_RELOC_ARM_JUMP_SLOT,
2291 BFD_RELOC_ARM_COPY,
2292 BFD_RELOC_ARM_GLOB_DAT,
2293 BFD_RELOC_ARM_PLT32,
2294 BFD_RELOC_ARM_RELATIVE,
2295 BFD_RELOC_ARM_GOTOFF,
2296 BFD_RELOC_ARM_GOTPC,
2297
2298 /* Hitachi SH relocs. Not all of these appear in object files. */
2299 BFD_RELOC_SH_PCDISP8BY2,
2300 BFD_RELOC_SH_PCDISP12BY2,
2301 BFD_RELOC_SH_IMM4,
2302 BFD_RELOC_SH_IMM4BY2,
2303 BFD_RELOC_SH_IMM4BY4,
2304 BFD_RELOC_SH_IMM8,
2305 BFD_RELOC_SH_IMM8BY2,
2306 BFD_RELOC_SH_IMM8BY4,
2307 BFD_RELOC_SH_PCRELIMM8BY2,
2308 BFD_RELOC_SH_PCRELIMM8BY4,
2309 BFD_RELOC_SH_SWITCH16,
2310 BFD_RELOC_SH_SWITCH32,
2311 BFD_RELOC_SH_USES,
2312 BFD_RELOC_SH_COUNT,
2313 BFD_RELOC_SH_ALIGN,
2314 BFD_RELOC_SH_CODE,
2315 BFD_RELOC_SH_DATA,
2316 BFD_RELOC_SH_LABEL,
2317 BFD_RELOC_SH_LOOP_START,
2318 BFD_RELOC_SH_LOOP_END,
2319 BFD_RELOC_SH_COPY,
2320 BFD_RELOC_SH_GLOB_DAT,
2321 BFD_RELOC_SH_JMP_SLOT,
2322 BFD_RELOC_SH_RELATIVE,
2323 BFD_RELOC_SH_GOTPC,
2324
2325 /* Thumb 23-, 12- and 9-bit pc-relative branches. The lowest bit must
2326 be zero and is not stored in the instruction. */
2327 BFD_RELOC_THUMB_PCREL_BRANCH9,
2328 BFD_RELOC_THUMB_PCREL_BRANCH12,
2329 BFD_RELOC_THUMB_PCREL_BRANCH23,
2330
2331 /* ARC Cores relocs.
2332 ARC 22 bit pc-relative branch. The lowest two bits must be zero and are
2333 not stored in the instruction. The high 20 bits are installed in bits 26
2334 through 7 of the instruction. */
2335 BFD_RELOC_ARC_B22_PCREL,
2336
2337 /* ARC 26 bit absolute branch. The lowest two bits must be zero and are not
2338 stored in the instruction. The high 24 bits are installed in bits 23
2339 through 0. */
2340 BFD_RELOC_ARC_B26,
2341
2342 /* Mitsubishi D10V relocs.
2343 This is a 10-bit reloc with the right 2 bits
2344 assumed to be 0. */
2345 BFD_RELOC_D10V_10_PCREL_R,
2346
2347 /* Mitsubishi D10V relocs.
2348 This is a 10-bit reloc with the right 2 bits
2349 assumed to be 0. This is the same as the previous reloc
2350 except it is in the left container, i.e.,
2351 shifted left 15 bits. */
2352 BFD_RELOC_D10V_10_PCREL_L,
2353
2354 /* This is an 18-bit reloc with the right 2 bits
2355 assumed to be 0. */
2356 BFD_RELOC_D10V_18,
2357
2358 /* This is an 18-bit reloc with the right 2 bits
2359 assumed to be 0. */
2360 BFD_RELOC_D10V_18_PCREL,
2361
2362 /* Mitsubishi D30V relocs.
2363 This is a 6-bit absolute reloc. */
2364 BFD_RELOC_D30V_6,
2365
2366 /* This is a 6-bit pc-relative reloc with
2367 the right 3 bits assumed to be 0. */
2368 BFD_RELOC_D30V_9_PCREL,
2369
2370 /* This is a 6-bit pc-relative reloc with
2371 the right 3 bits assumed to be 0. Same
2372 as the previous reloc but on the right side
2373 of the container. */
2374 BFD_RELOC_D30V_9_PCREL_R,
2375
2376 /* This is a 12-bit absolute reloc with the
2377 right 3 bitsassumed to be 0. */
2378 BFD_RELOC_D30V_15,
2379
2380 /* This is a 12-bit pc-relative reloc with
2381 the right 3 bits assumed to be 0. */
2382 BFD_RELOC_D30V_15_PCREL,
2383
2384 /* This is a 12-bit pc-relative reloc with
2385 the right 3 bits assumed to be 0. Same
2386 as the previous reloc but on the right side
2387 of the container. */
2388 BFD_RELOC_D30V_15_PCREL_R,
2389
2390 /* This is an 18-bit absolute reloc with
2391 the right 3 bits assumed to be 0. */
2392 BFD_RELOC_D30V_21,
2393
2394 /* This is an 18-bit pc-relative reloc with
2395 the right 3 bits assumed to be 0. */
2396 BFD_RELOC_D30V_21_PCREL,
2397
2398 /* This is an 18-bit pc-relative reloc with
2399 the right 3 bits assumed to be 0. Same
2400 as the previous reloc but on the right side
2401 of the container. */
2402 BFD_RELOC_D30V_21_PCREL_R,
2403
2404 /* This is a 32-bit absolute reloc. */
2405 BFD_RELOC_D30V_32,
2406
2407 /* This is a 32-bit pc-relative reloc. */
2408 BFD_RELOC_D30V_32_PCREL,
2409
2410 /* Mitsubishi M32R relocs.
2411 This is a 24 bit absolute address. */
2412 BFD_RELOC_M32R_24,
2413
2414 /* This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. */
2415 BFD_RELOC_M32R_10_PCREL,
2416
2417 /* This is an 18-bit reloc with the right 2 bits assumed to be 0. */
2418 BFD_RELOC_M32R_18_PCREL,
2419
2420 /* This is a 26-bit reloc with the right 2 bits assumed to be 0. */
2421 BFD_RELOC_M32R_26_PCREL,
2422
2423 /* This is a 16-bit reloc containing the high 16 bits of an address
2424 used when the lower 16 bits are treated as unsigned. */
2425 BFD_RELOC_M32R_HI16_ULO,
2426
2427 /* This is a 16-bit reloc containing the high 16 bits of an address
2428 used when the lower 16 bits are treated as signed. */
2429 BFD_RELOC_M32R_HI16_SLO,
2430
2431 /* This is a 16-bit reloc containing the lower 16 bits of an address. */
2432 BFD_RELOC_M32R_LO16,
2433
2434 /* This is a 16-bit reloc containing the small data area offset for use in
2435 add3, load, and store instructions. */
2436 BFD_RELOC_M32R_SDA16,
2437
2438 /* This is a 9-bit reloc */
2439 BFD_RELOC_V850_9_PCREL,
2440
2441 /* This is a 22-bit reloc */
2442 BFD_RELOC_V850_22_PCREL,
2443
2444 /* This is a 16 bit offset from the short data area pointer. */
2445 BFD_RELOC_V850_SDA_16_16_OFFSET,
2446
2447 /* This is a 16 bit offset (of which only 15 bits are used) from the
2448 short data area pointer. */
2449 BFD_RELOC_V850_SDA_15_16_OFFSET,
2450
2451 /* This is a 16 bit offset from the zero data area pointer. */
2452 BFD_RELOC_V850_ZDA_16_16_OFFSET,
2453
2454 /* This is a 16 bit offset (of which only 15 bits are used) from the
2455 zero data area pointer. */
2456 BFD_RELOC_V850_ZDA_15_16_OFFSET,
2457
2458 /* This is an 8 bit offset (of which only 6 bits are used) from the
2459 tiny data area pointer. */
2460 BFD_RELOC_V850_TDA_6_8_OFFSET,
2461
2462 /* This is an 8bit offset (of which only 7 bits are used) from the tiny
2463 data area pointer. */
2464 BFD_RELOC_V850_TDA_7_8_OFFSET,
2465
2466 /* This is a 7 bit offset from the tiny data area pointer. */
2467 BFD_RELOC_V850_TDA_7_7_OFFSET,
2468
2469 /* This is a 16 bit offset from the tiny data area pointer. */
2470 BFD_RELOC_V850_TDA_16_16_OFFSET,
2471
2472 /* This is a 5 bit offset (of which only 4 bits are used) from the tiny
2473 data area pointer. */
2474 BFD_RELOC_V850_TDA_4_5_OFFSET,
2475
2476 /* This is a 4 bit offset from the tiny data area pointer. */
2477 BFD_RELOC_V850_TDA_4_4_OFFSET,
2478
2479 /* This is a 16 bit offset from the short data area pointer, with the
2480 bits placed non-contigously in the instruction. */
2481 BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET,
2482
2483 /* This is a 16 bit offset from the zero data area pointer, with the
2484 bits placed non-contigously in the instruction. */
2485 BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET,
2486
2487 /* This is a 6 bit offset from the call table base pointer. */
2488 BFD_RELOC_V850_CALLT_6_7_OFFSET,
2489
2490 /* This is a 16 bit offset from the call table base pointer. */
2491 BFD_RELOC_V850_CALLT_16_16_OFFSET,
2492
2493
2494 /* This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the
2495 instruction. */
2496 BFD_RELOC_MN10300_32_PCREL,
2497
2498 /* This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the
2499 instruction. */
2500 BFD_RELOC_MN10300_16_PCREL,
2501
2502 /* This is a 8bit DP reloc for the tms320c30, where the most
2503 significant 8 bits of a 24 bit word are placed into the least
2504 significant 8 bits of the opcode. */
2505 BFD_RELOC_TIC30_LDP,
2506
2507 /* This is a 7bit reloc for the tms320c54x, where the least
2508 significant 7 bits of a 16 bit word are placed into the least
2509 significant 7 bits of the opcode. */
2510 BFD_RELOC_TIC54X_PARTLS7,
2511
2512 /* This is a 9bit DP reloc for the tms320c54x, where the most
2513 significant 9 bits of a 16 bit word are placed into the least
2514 significant 9 bits of the opcode. */
2515 BFD_RELOC_TIC54X_PARTMS9,
2516
2517 /* This is an extended address 23-bit reloc for the tms320c54x. */
2518 BFD_RELOC_TIC54X_23,
2519
2520 /* This is a 16-bit reloc for the tms320c54x, where the least
2521 significant 16 bits of a 23-bit extended address are placed into
2522 the opcode. */
2523 BFD_RELOC_TIC54X_16_OF_23,
2524
2525 /* This is a reloc for the tms320c54x, where the most
2526 significant 7 bits of a 23-bit extended address are placed into
2527 the opcode. */
2528 BFD_RELOC_TIC54X_MS7_OF_23,
2529
2530 /* This is a 48 bit reloc for the FR30 that stores 32 bits. */
2531 BFD_RELOC_FR30_48,
2532
2533 /* This is a 32 bit reloc for the FR30 that stores 20 bits split up into
2534 two sections. */
2535 BFD_RELOC_FR30_20,
2536
2537 /* This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in
2538 4 bits. */
2539 BFD_RELOC_FR30_6_IN_4,
2540
2541 /* This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset
2542 into 8 bits. */
2543 BFD_RELOC_FR30_8_IN_8,
2544
2545 /* This is a 16 bit reloc for the FR30 that stores a 9 bit short offset
2546 into 8 bits. */
2547 BFD_RELOC_FR30_9_IN_8,
2548
2549 /* This is a 16 bit reloc for the FR30 that stores a 10 bit word offset
2550 into 8 bits. */
2551 BFD_RELOC_FR30_10_IN_8,
2552
2553 /* This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative
2554 short offset into 8 bits. */
2555 BFD_RELOC_FR30_9_PCREL,
2556
2557 /* This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative
2558 short offset into 11 bits. */
2559 BFD_RELOC_FR30_12_PCREL,
2560
2561 /* Motorola Mcore relocations. */
2562 BFD_RELOC_MCORE_PCREL_IMM8BY4,
2563 BFD_RELOC_MCORE_PCREL_IMM11BY2,
2564 BFD_RELOC_MCORE_PCREL_IMM4BY2,
2565 BFD_RELOC_MCORE_PCREL_32,
2566 BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2,
2567 BFD_RELOC_MCORE_RVA,
2568
2569 /* This is a 16 bit reloc for the AVR that stores 8 bit pc relative
2570 short offset into 7 bits. */
2571 BFD_RELOC_AVR_7_PCREL,
2572
2573 /* This is a 16 bit reloc for the AVR that stores 13 bit pc relative
2574 short offset into 12 bits. */
2575 BFD_RELOC_AVR_13_PCREL,
2576
2577 /* This is a 16 bit reloc for the AVR that stores 17 bit value (usually
2578 program memory address) into 16 bits. */
2579 BFD_RELOC_AVR_16_PM,
2580
2581 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2582 data memory address) into 8 bit immediate value of LDI insn. */
2583 BFD_RELOC_AVR_LO8_LDI,
2584
2585 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2586 of data memory address) into 8 bit immediate value of LDI insn. */
2587 BFD_RELOC_AVR_HI8_LDI,
2588
2589 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2590 of program memory address) into 8 bit immediate value of LDI insn. */
2591 BFD_RELOC_AVR_HH8_LDI,
2592
2593 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2594 (usually data memory address) into 8 bit immediate value of SUBI insn. */
2595 BFD_RELOC_AVR_LO8_LDI_NEG,
2596
2597 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2598 (high 8 bit of data memory address) into 8 bit immediate value of
2599 SUBI insn. */
2600 BFD_RELOC_AVR_HI8_LDI_NEG,
2601
2602 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2603 (most high 8 bit of program memory address) into 8 bit immediate value
2604 of LDI or SUBI insn. */
2605 BFD_RELOC_AVR_HH8_LDI_NEG,
2606
2607 /* This is a 16 bit reloc for the AVR that stores 8 bit value (usually
2608 command address) into 8 bit immediate value of LDI insn. */
2609 BFD_RELOC_AVR_LO8_LDI_PM,
2610
2611 /* This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit
2612 of command address) into 8 bit immediate value of LDI insn. */
2613 BFD_RELOC_AVR_HI8_LDI_PM,
2614
2615 /* This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit
2616 of command address) into 8 bit immediate value of LDI insn. */
2617 BFD_RELOC_AVR_HH8_LDI_PM,
2618
2619 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2620 (usually command address) into 8 bit immediate value of SUBI insn. */
2621 BFD_RELOC_AVR_LO8_LDI_PM_NEG,
2622
2623 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2624 (high 8 bit of 16 bit command address) into 8 bit immediate value
2625 of SUBI insn. */
2626 BFD_RELOC_AVR_HI8_LDI_PM_NEG,
2627
2628 /* This is a 16 bit reloc for the AVR that stores negated 8 bit value
2629 (high 6 bit of 22 bit command address) into 8 bit immediate
2630 value of SUBI insn. */
2631 BFD_RELOC_AVR_HH8_LDI_PM_NEG,
2632
2633 /* This is a 32 bit reloc for the AVR that stores 23 bit value
2634 into 22 bits. */
2635 BFD_RELOC_AVR_CALL,
2636
2637 /* Direct 12 bit. */
2638 BFD_RELOC_390_12,
2639
2640 /* 12 bit GOT offset. */
2641 BFD_RELOC_390_GOT12,
2642
2643 /* 32 bit PC relative PLT address. */
2644 BFD_RELOC_390_PLT32,
2645
2646 /* Copy symbol at runtime. */
2647 BFD_RELOC_390_COPY,
2648
2649 /* Create GOT entry. */
2650 BFD_RELOC_390_GLOB_DAT,
2651
2652 /* Create PLT entry. */
2653 BFD_RELOC_390_JMP_SLOT,
2654
2655 /* Adjust by program base. */
2656 BFD_RELOC_390_RELATIVE,
2657
2658 /* 32 bit PC relative offset to GOT. */
2659 BFD_RELOC_390_GOTPC,
2660
2661 /* 16 bit GOT offset. */
2662 BFD_RELOC_390_GOT16,
2663
2664 /* PC relative 16 bit shifted by 1. */
2665 BFD_RELOC_390_PC16DBL,
2666
2667 /* 16 bit PC rel. PLT shifted by 1. */
2668 BFD_RELOC_390_PLT16DBL,
2669
2670 /* PC relative 32 bit shifted by 1. */
2671 BFD_RELOC_390_PC32DBL,
2672
2673 /* 32 bit PC rel. PLT shifted by 1. */
2674 BFD_RELOC_390_PLT32DBL,
2675
2676 /* 32 bit PC rel. GOT shifted by 1. */
2677 BFD_RELOC_390_GOTPCDBL,
2678
2679 /* 64 bit GOT offset. */
2680 BFD_RELOC_390_GOT64,
2681
2682 /* 64 bit PC relative PLT address. */
2683 BFD_RELOC_390_PLT64,
2684
2685 /* 32 bit rel. offset to GOT entry. */
2686 BFD_RELOC_390_GOTENT,
2687
2688 /* These two relocations are used by the linker to determine which of
2689 the entries in a C++ virtual function table are actually used. When
2690 the --gc-sections option is given, the linker will zero out the entries
2691 that are not used, so that the code for those functions need not be
2692 included in the output.
2693
2694 VTABLE_INHERIT is a zero-space relocation used to describe to the
2695 linker the inheritence tree of a C++ virtual function table. The
2696 relocation's symbol should be the parent class' vtable, and the
2697 relocation should be located at the child vtable.
2698
2699 VTABLE_ENTRY is a zero-space relocation that describes the use of a
2700 virtual function table entry. The reloc's symbol should refer to the
2701 table of the class mentioned in the code. Off of that base, an offset
2702 describes the entry that is being used. For Rela hosts, this offset
2703 is stored in the reloc's addend. For Rel hosts, we are forced to put
2704 this offset in the reloc's section offset. */
2705 BFD_RELOC_VTABLE_INHERIT,
2706 BFD_RELOC_VTABLE_ENTRY,
2707
2708 /* Intel IA64 Relocations. */
2709 BFD_RELOC_IA64_IMM14,
2710 BFD_RELOC_IA64_IMM22,
2711 BFD_RELOC_IA64_IMM64,
2712 BFD_RELOC_IA64_DIR32MSB,
2713 BFD_RELOC_IA64_DIR32LSB,
2714 BFD_RELOC_IA64_DIR64MSB,
2715 BFD_RELOC_IA64_DIR64LSB,
2716 BFD_RELOC_IA64_GPREL22,
2717 BFD_RELOC_IA64_GPREL64I,
2718 BFD_RELOC_IA64_GPREL32MSB,
2719 BFD_RELOC_IA64_GPREL32LSB,
2720 BFD_RELOC_IA64_GPREL64MSB,
2721 BFD_RELOC_IA64_GPREL64LSB,
2722 BFD_RELOC_IA64_LTOFF22,
2723 BFD_RELOC_IA64_LTOFF64I,
2724 BFD_RELOC_IA64_PLTOFF22,
2725 BFD_RELOC_IA64_PLTOFF64I,
2726 BFD_RELOC_IA64_PLTOFF64MSB,
2727 BFD_RELOC_IA64_PLTOFF64LSB,
2728 BFD_RELOC_IA64_FPTR64I,
2729 BFD_RELOC_IA64_FPTR32MSB,
2730 BFD_RELOC_IA64_FPTR32LSB,
2731 BFD_RELOC_IA64_FPTR64MSB,
2732 BFD_RELOC_IA64_FPTR64LSB,
2733 BFD_RELOC_IA64_PCREL21B,
2734 BFD_RELOC_IA64_PCREL21BI,
2735 BFD_RELOC_IA64_PCREL21M,
2736 BFD_RELOC_IA64_PCREL21F,
2737 BFD_RELOC_IA64_PCREL22,
2738 BFD_RELOC_IA64_PCREL60B,
2739 BFD_RELOC_IA64_PCREL64I,
2740 BFD_RELOC_IA64_PCREL32MSB,
2741 BFD_RELOC_IA64_PCREL32LSB,
2742 BFD_RELOC_IA64_PCREL64MSB,
2743 BFD_RELOC_IA64_PCREL64LSB,
2744 BFD_RELOC_IA64_LTOFF_FPTR22,
2745 BFD_RELOC_IA64_LTOFF_FPTR64I,
2746 BFD_RELOC_IA64_LTOFF_FPTR32MSB,
2747 BFD_RELOC_IA64_LTOFF_FPTR32LSB,
2748 BFD_RELOC_IA64_LTOFF_FPTR64MSB,
2749 BFD_RELOC_IA64_LTOFF_FPTR64LSB,
2750 BFD_RELOC_IA64_SEGREL32MSB,
2751 BFD_RELOC_IA64_SEGREL32LSB,
2752 BFD_RELOC_IA64_SEGREL64MSB,
2753 BFD_RELOC_IA64_SEGREL64LSB,
2754 BFD_RELOC_IA64_SECREL32MSB,
2755 BFD_RELOC_IA64_SECREL32LSB,
2756 BFD_RELOC_IA64_SECREL64MSB,
2757 BFD_RELOC_IA64_SECREL64LSB,
2758 BFD_RELOC_IA64_REL32MSB,
2759 BFD_RELOC_IA64_REL32LSB,
2760 BFD_RELOC_IA64_REL64MSB,
2761 BFD_RELOC_IA64_REL64LSB,
2762 BFD_RELOC_IA64_LTV32MSB,
2763 BFD_RELOC_IA64_LTV32LSB,
2764 BFD_RELOC_IA64_LTV64MSB,
2765 BFD_RELOC_IA64_LTV64LSB,
2766 BFD_RELOC_IA64_IPLTMSB,
2767 BFD_RELOC_IA64_IPLTLSB,
2768 BFD_RELOC_IA64_COPY,
2769 BFD_RELOC_IA64_TPREL22,
2770 BFD_RELOC_IA64_TPREL64MSB,
2771 BFD_RELOC_IA64_TPREL64LSB,
2772 BFD_RELOC_IA64_LTOFF_TP22,
2773 BFD_RELOC_IA64_LTOFF22X,
2774 BFD_RELOC_IA64_LDXMOV,
2775
2776 /* Motorola 68HC11 reloc.
2777 This is the 8 bits high part of an absolute address. */
2778 BFD_RELOC_M68HC11_HI8,
2779
2780 /* Motorola 68HC11 reloc.
2781 This is the 8 bits low part of an absolute address. */
2782 BFD_RELOC_M68HC11_LO8,
2783
2784 /* Motorola 68HC11 reloc.
2785 This is the 3 bits of a value. */
2786 BFD_RELOC_M68HC11_3B,
2787
2788 /* These relocs are only used within the CRIS assembler. They are not
2789 (at present) written to any object files. */
2790 BFD_RELOC_CRIS_BDISP8,
2791 BFD_RELOC_CRIS_UNSIGNED_5,
2792 BFD_RELOC_CRIS_SIGNED_6,
2793 BFD_RELOC_CRIS_UNSIGNED_6,
2794 BFD_RELOC_CRIS_UNSIGNED_4,
2795
2796 /* Relocs used in ELF shared libraries for CRIS. */
2797 BFD_RELOC_CRIS_COPY,
2798 BFD_RELOC_CRIS_GLOB_DAT,
2799 BFD_RELOC_CRIS_JUMP_SLOT,
2800 BFD_RELOC_CRIS_RELATIVE,
2801
2802 /* 32-bit offset to symbol-entry within GOT. */
2803 BFD_RELOC_CRIS_32_GOT,
2804
2805 /* 16-bit offset to symbol-entry within GOT. */
2806 BFD_RELOC_CRIS_16_GOT,
2807
2808 /* 32-bit offset to symbol-entry within GOT, with PLT handling. */
2809 BFD_RELOC_CRIS_32_GOTPLT,
2810
2811 /* 16-bit offset to symbol-entry within GOT, with PLT handling. */
2812 BFD_RELOC_CRIS_16_GOTPLT,
2813
2814 /* 32-bit offset to symbol, relative to GOT. */
2815 BFD_RELOC_CRIS_32_GOTREL,
2816
2817 /* 32-bit offset to symbol with PLT entry, relative to GOT. */
2818 BFD_RELOC_CRIS_32_PLT_GOTREL,
2819
2820 /* 32-bit offset to symbol with PLT entry, relative to this relocation. */
2821 BFD_RELOC_CRIS_32_PLT_PCREL,
2822
2823 /* Intel i860 Relocations. */
2824 BFD_RELOC_860_COPY,
2825 BFD_RELOC_860_GLOB_DAT,
2826 BFD_RELOC_860_JUMP_SLOT,
2827 BFD_RELOC_860_RELATIVE,
2828 BFD_RELOC_860_PC26,
2829 BFD_RELOC_860_PLT26,
2830 BFD_RELOC_860_PC16,
2831 BFD_RELOC_860_LOW0,
2832 BFD_RELOC_860_SPLIT0,
2833 BFD_RELOC_860_LOW1,
2834 BFD_RELOC_860_SPLIT1,
2835 BFD_RELOC_860_LOW2,
2836 BFD_RELOC_860_SPLIT2,
2837 BFD_RELOC_860_LOW3,
2838 BFD_RELOC_860_LOGOT0,
2839 BFD_RELOC_860_SPGOT0,
2840 BFD_RELOC_860_LOGOT1,
2841 BFD_RELOC_860_SPGOT1,
2842 BFD_RELOC_860_LOGOTOFF0,
2843 BFD_RELOC_860_SPGOTOFF0,
2844 BFD_RELOC_860_LOGOTOFF1,
2845 BFD_RELOC_860_SPGOTOFF1,
2846 BFD_RELOC_860_LOGOTOFF2,
2847 BFD_RELOC_860_LOGOTOFF3,
2848 BFD_RELOC_860_LOPC,
2849 BFD_RELOC_860_HIGHADJ,
2850 BFD_RELOC_860_HAGOT,
2851 BFD_RELOC_860_HAGOTOFF,
2852 BFD_RELOC_860_HAPC,
2853 BFD_RELOC_860_HIGH,
2854 BFD_RELOC_860_HIGOT,
2855 BFD_RELOC_860_HIGOTOFF,
2856
2857 /* OpenRISC Relocations. */
2858 BFD_RELOC_OPENRISC_ABS_26,
2859 BFD_RELOC_OPENRISC_REL_26,
2860
2861 /* H8 elf Relocations. */
2862 BFD_RELOC_H8_DIR16A8,
2863 BFD_RELOC_H8_DIR16R8,
2864 BFD_RELOC_H8_DIR24A8,
2865 BFD_RELOC_H8_DIR24R8,
2866 BFD_RELOC_H8_DIR32A16,
2867 BFD_RELOC_UNUSED };
2868 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
2869 reloc_howto_type *
2870 bfd_reloc_type_lookup PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
2871
2872 const char *
2873 bfd_get_reloc_code_name PARAMS ((bfd_reloc_code_real_type code));
2874
2875
2876 typedef struct symbol_cache_entry
2877 {
2878 /* A pointer to the BFD which owns the symbol. This information
2879 is necessary so that a back end can work out what additional
2880 information (invisible to the application writer) is carried
2881 with the symbol.
2882
2883 This field is *almost* redundant, since you can use section->owner
2884 instead, except that some symbols point to the global sections
2885 bfd_{abs,com,und}_section. This could be fixed by making
2886 these globals be per-bfd (or per-target-flavor). FIXME. */
2887
2888 struct _bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */
2889
2890 /* The text of the symbol. The name is left alone, and not copied; the
2891 application may not alter it. */
2892 const char *name;
2893
2894 /* The value of the symbol. This really should be a union of a
2895 numeric value with a pointer, since some flags indicate that
2896 a pointer to another symbol is stored here. */
2897 symvalue value;
2898
2899 /* Attributes of a symbol: */
2900
2901 #define BSF_NO_FLAGS 0x00
2902
2903 /* The symbol has local scope; <<static>> in <<C>>. The value
2904 is the offset into the section of the data. */
2905 #define BSF_LOCAL 0x01
2906
2907 /* The symbol has global scope; initialized data in <<C>>. The
2908 value is the offset into the section of the data. */
2909 #define BSF_GLOBAL 0x02
2910
2911 /* The symbol has global scope and is exported. The value is
2912 the offset into the section of the data. */
2913 #define BSF_EXPORT BSF_GLOBAL /* no real difference */
2914
2915 /* A normal C symbol would be one of:
2916 <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or
2917 <<BSF_GLOBAL>> */
2918
2919 /* The symbol is a debugging record. The value has an arbitary
2920 meaning, unless BSF_DEBUGGING_RELOC is also set. */
2921 #define BSF_DEBUGGING 0x08
2922
2923 /* The symbol denotes a function entry point. Used in ELF,
2924 perhaps others someday. */
2925 #define BSF_FUNCTION 0x10
2926
2927 /* Used by the linker. */
2928 #define BSF_KEEP 0x20
2929 #define BSF_KEEP_G 0x40
2930
2931 /* A weak global symbol, overridable without warnings by
2932 a regular global symbol of the same name. */
2933 #define BSF_WEAK 0x80
2934
2935 /* This symbol was created to point to a section, e.g. ELF's
2936 STT_SECTION symbols. */
2937 #define BSF_SECTION_SYM 0x100
2938
2939 /* The symbol used to be a common symbol, but now it is
2940 allocated. */
2941 #define BSF_OLD_COMMON 0x200
2942
2943 /* The default value for common data. */
2944 #define BFD_FORT_COMM_DEFAULT_VALUE 0
2945
2946 /* In some files the type of a symbol sometimes alters its
2947 location in an output file - ie in coff a <<ISFCN>> symbol
2948 which is also <<C_EXT>> symbol appears where it was
2949 declared and not at the end of a section. This bit is set
2950 by the target BFD part to convey this information. */
2951
2952 #define BSF_NOT_AT_END 0x400
2953
2954 /* Signal that the symbol is the label of constructor section. */
2955 #define BSF_CONSTRUCTOR 0x800
2956
2957 /* Signal that the symbol is a warning symbol. The name is a
2958 warning. The name of the next symbol is the one to warn about;
2959 if a reference is made to a symbol with the same name as the next
2960 symbol, a warning is issued by the linker. */
2961 #define BSF_WARNING 0x1000
2962
2963 /* Signal that the symbol is indirect. This symbol is an indirect
2964 pointer to the symbol with the same name as the next symbol. */
2965 #define BSF_INDIRECT 0x2000
2966
2967 /* BSF_FILE marks symbols that contain a file name. This is used
2968 for ELF STT_FILE symbols. */
2969 #define BSF_FILE 0x4000
2970
2971 /* Symbol is from dynamic linking information. */
2972 #define BSF_DYNAMIC 0x8000
2973
2974 /* The symbol denotes a data object. Used in ELF, and perhaps
2975 others someday. */
2976 #define BSF_OBJECT 0x10000
2977
2978 /* This symbol is a debugging symbol. The value is the offset
2979 into the section of the data. BSF_DEBUGGING should be set
2980 as well. */
2981 #define BSF_DEBUGGING_RELOC 0x20000
2982
2983 flagword flags;
2984
2985 /* A pointer to the section to which this symbol is
2986 relative. This will always be non NULL, there are special
2987 sections for undefined and absolute symbols. */
2988 struct sec *section;
2989
2990 /* Back end special data. */
2991 union
2992 {
2993 PTR p;
2994 bfd_vma i;
2995 } udata;
2996
2997 } asymbol;
2998 #define bfd_get_symtab_upper_bound(abfd) \
2999 BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd))
3000 boolean
3001 bfd_is_local_label PARAMS ((bfd *abfd, asymbol *sym));
3002
3003 boolean
3004 bfd_is_local_label_name PARAMS ((bfd *abfd, const char *name));
3005
3006 #define bfd_is_local_label_name(abfd, name) \
3007 BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name))
3008 #define bfd_canonicalize_symtab(abfd, location) \
3009 BFD_SEND (abfd, _bfd_canonicalize_symtab,\
3010 (abfd, location))
3011 boolean
3012 bfd_set_symtab PARAMS ((bfd *abfd, asymbol **location, unsigned int count));
3013
3014 void
3015 bfd_print_symbol_vandf PARAMS ((bfd *abfd, PTR file, asymbol *symbol));
3016
3017 #define bfd_make_empty_symbol(abfd) \
3018 BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd))
3019 #define bfd_make_debug_symbol(abfd,ptr,size) \
3020 BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size))
3021 int
3022 bfd_decode_symclass PARAMS ((asymbol *symbol));
3023
3024 boolean
3025 bfd_is_undefined_symclass PARAMS ((int symclass));
3026
3027 void
3028 bfd_symbol_info PARAMS ((asymbol *symbol, symbol_info *ret));
3029
3030 boolean
3031 bfd_copy_private_symbol_data PARAMS ((bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym));
3032
3033 #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \
3034 BFD_SEND (obfd, _bfd_copy_private_symbol_data, \
3035 (ibfd, isymbol, obfd, osymbol))
3036 struct _bfd
3037 {
3038 /* The filename the application opened the BFD with. */
3039 const char *filename;
3040
3041 /* A pointer to the target jump table. */
3042 const struct bfd_target *xvec;
3043
3044 /* To avoid dragging too many header files into every file that
3045 includes `<<bfd.h>>', IOSTREAM has been declared as a "char
3046 *", and MTIME as a "long". Their correct types, to which they
3047 are cast when used, are "FILE *" and "time_t". The iostream
3048 is the result of an fopen on the filename. However, if the
3049 BFD_IN_MEMORY flag is set, then iostream is actually a pointer
3050 to a bfd_in_memory struct. */
3051 PTR iostream;
3052
3053 /* Is the file descriptor being cached? That is, can it be closed as
3054 needed, and re-opened when accessed later? */
3055
3056 boolean cacheable;
3057
3058 /* Marks whether there was a default target specified when the
3059 BFD was opened. This is used to select which matching algorithm
3060 to use to choose the back end. */
3061
3062 boolean target_defaulted;
3063
3064 /* The caching routines use these to maintain a
3065 least-recently-used list of BFDs */
3066
3067 struct _bfd *lru_prev, *lru_next;
3068
3069 /* When a file is closed by the caching routines, BFD retains
3070 state information on the file here: */
3071
3072 ufile_ptr where;
3073
3074 /* and here: (``once'' means at least once) */
3075
3076 boolean opened_once;
3077
3078 /* Set if we have a locally maintained mtime value, rather than
3079 getting it from the file each time: */
3080
3081 boolean mtime_set;
3082
3083 /* File modified time, if mtime_set is true: */
3084
3085 long mtime;
3086
3087 /* Reserved for an unimplemented file locking extension.*/
3088
3089 int ifd;
3090
3091 /* The format which belongs to the BFD. (object, core, etc.) */
3092
3093 bfd_format format;
3094
3095 /* The direction the BFD was opened with*/
3096
3097 enum bfd_direction {no_direction = 0,
3098 read_direction = 1,
3099 write_direction = 2,
3100 both_direction = 3} direction;
3101
3102 /* Format_specific flags*/
3103
3104 flagword flags;
3105
3106 /* Currently my_archive is tested before adding origin to
3107 anything. I believe that this can become always an add of
3108 origin, with origin set to 0 for non archive files. */
3109
3110 ufile_ptr origin;
3111
3112 /* Remember when output has begun, to stop strange things
3113 from happening. */
3114 boolean output_has_begun;
3115
3116 /* Pointer to linked list of sections*/
3117 struct sec *sections;
3118
3119 /* The number of sections */
3120 unsigned int section_count;
3121
3122 /* Stuff only useful for object files:
3123 The start address. */
3124 bfd_vma start_address;
3125
3126 /* Used for input and output*/
3127 unsigned int symcount;
3128
3129 /* Symbol table for output BFD (with symcount entries) */
3130 struct symbol_cache_entry **outsymbols;
3131
3132 /* Pointer to structure which contains architecture information*/
3133 const struct bfd_arch_info *arch_info;
3134
3135 /* Stuff only useful for archives:*/
3136 PTR arelt_data;
3137 struct _bfd *my_archive; /* The containing archive BFD. */
3138 struct _bfd *next; /* The next BFD in the archive. */
3139 struct _bfd *archive_head; /* The first BFD in the archive. */
3140 boolean has_armap;
3141
3142 /* A chain of BFD structures involved in a link. */
3143 struct _bfd *link_next;
3144
3145 /* A field used by _bfd_generic_link_add_archive_symbols. This will
3146 be used only for archive elements. */
3147 int archive_pass;
3148
3149 /* Used by the back end to hold private data. */
3150
3151 union
3152 {
3153 struct aout_data_struct *aout_data;
3154 struct artdata *aout_ar_data;
3155 struct _oasys_data *oasys_obj_data;
3156 struct _oasys_ar_data *oasys_ar_data;
3157 struct coff_tdata *coff_obj_data;
3158 struct pe_tdata *pe_obj_data;
3159 struct xcoff_tdata *xcoff_obj_data;
3160 struct ecoff_tdata *ecoff_obj_data;
3161 struct ieee_data_struct *ieee_data;
3162 struct ieee_ar_data_struct *ieee_ar_data;
3163 struct srec_data_struct *srec_data;
3164 struct ihex_data_struct *ihex_data;
3165 struct tekhex_data_struct *tekhex_data;
3166 struct elf_obj_tdata *elf_obj_data;
3167 struct nlm_obj_tdata *nlm_obj_data;
3168 struct bout_data_struct *bout_data;
3169 struct sun_core_struct *sun_core_data;
3170 struct sco5_core_struct *sco5_core_data;
3171 struct trad_core_struct *trad_core_data;
3172 struct som_data_struct *som_data;
3173 struct hpux_core_struct *hpux_core_data;
3174 struct hppabsd_core_struct *hppabsd_core_data;
3175 struct sgi_core_struct *sgi_core_data;
3176 struct lynx_core_struct *lynx_core_data;
3177 struct osf_core_struct *osf_core_data;
3178 struct cisco_core_struct *cisco_core_data;
3179 struct versados_data_struct *versados_data;
3180 struct netbsd_core_struct *netbsd_core_data;
3181 PTR any;
3182 } tdata;
3183
3184 /* Used by the application to hold private data*/
3185 PTR usrdata;
3186
3187 /* Where all the allocated stuff under this BFD goes. This is a
3188 struct objalloc *, but we use PTR to avoid requiring the inclusion of
3189 objalloc.h. */
3190 PTR memory;
3191 };
3192
3193 typedef enum bfd_error
3194 {
3195 bfd_error_no_error = 0,
3196 bfd_error_system_call,
3197 bfd_error_invalid_target,
3198 bfd_error_wrong_format,
3199 bfd_error_wrong_object_format,
3200 bfd_error_invalid_operation,
3201 bfd_error_no_memory,
3202 bfd_error_no_symbols,
3203 bfd_error_no_armap,
3204 bfd_error_no_more_archived_files,
3205 bfd_error_malformed_archive,
3206 bfd_error_file_not_recognized,
3207 bfd_error_file_ambiguously_recognized,
3208 bfd_error_no_contents,
3209 bfd_error_nonrepresentable_section,
3210 bfd_error_no_debug_section,
3211 bfd_error_bad_value,
3212 bfd_error_file_truncated,
3213 bfd_error_file_too_big,
3214 bfd_error_invalid_error_code
3215 } bfd_error_type;
3216
3217 bfd_error_type
3218 bfd_get_error PARAMS ((void));
3219
3220 void
3221 bfd_set_error PARAMS ((bfd_error_type error_tag));
3222
3223 const char *
3224 bfd_errmsg PARAMS ((bfd_error_type error_tag));
3225
3226 void
3227 bfd_perror PARAMS ((const char *message));
3228
3229 typedef void (*bfd_error_handler_type) PARAMS ((const char *, ...));
3230
3231 bfd_error_handler_type
3232 bfd_set_error_handler PARAMS ((bfd_error_handler_type));
3233
3234 void
3235 bfd_set_error_program_name PARAMS ((const char *));
3236
3237 bfd_error_handler_type
3238 bfd_get_error_handler PARAMS ((void));
3239
3240 const char *
3241 bfd_archive_filename PARAMS ((bfd *));
3242
3243 long
3244 bfd_get_reloc_upper_bound PARAMS ((bfd *abfd, asection *sect));
3245
3246 long
3247 bfd_canonicalize_reloc PARAMS ((bfd *abfd,
3248 asection *sec,
3249 arelent **loc,
3250 asymbol **syms));
3251
3252 void
3253 bfd_set_reloc PARAMS ((bfd *abfd, asection *sec, arelent **rel, unsigned int count)
3254
3255 );
3256
3257 boolean
3258 bfd_set_file_flags PARAMS ((bfd *abfd, flagword flags));
3259
3260 int
3261 bfd_get_arch_size PARAMS ((bfd *abfd));
3262
3263 int
3264 bfd_get_sign_extend_vma PARAMS ((bfd *abfd));
3265
3266 boolean
3267 bfd_set_start_address PARAMS ((bfd *abfd, bfd_vma vma));
3268
3269 long
3270 bfd_get_mtime PARAMS ((bfd *abfd));
3271
3272 long
3273 bfd_get_size PARAMS ((bfd *abfd));
3274
3275 unsigned int
3276 bfd_get_gp_size PARAMS ((bfd *abfd));
3277
3278 void
3279 bfd_set_gp_size PARAMS ((bfd *abfd, unsigned int i));
3280
3281 bfd_vma
3282 bfd_scan_vma PARAMS ((const char *string, const char **end, int base));
3283
3284 boolean
3285 bfd_copy_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3286
3287 #define bfd_copy_private_bfd_data(ibfd, obfd) \
3288 BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
3289 (ibfd, obfd))
3290 boolean
3291 bfd_merge_private_bfd_data PARAMS ((bfd *ibfd, bfd *obfd));
3292
3293 #define bfd_merge_private_bfd_data(ibfd, obfd) \
3294 BFD_SEND (obfd, _bfd_merge_private_bfd_data, \
3295 (ibfd, obfd))
3296 boolean
3297 bfd_set_private_flags PARAMS ((bfd *abfd, flagword flags));
3298
3299 #define bfd_set_private_flags(abfd, flags) \
3300 BFD_SEND (abfd, _bfd_set_private_flags, \
3301 (abfd, flags))
3302 #define bfd_sizeof_headers(abfd, reloc) \
3303 BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, reloc))
3304
3305 #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
3306 BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line))
3307
3308 /* Do these three do anything useful at all, for any back end? */
3309 #define bfd_debug_info_start(abfd) \
3310 BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
3311
3312 #define bfd_debug_info_end(abfd) \
3313 BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
3314
3315 #define bfd_debug_info_accumulate(abfd, section) \
3316 BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
3317
3318
3319 #define bfd_stat_arch_elt(abfd, stat) \
3320 BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat))
3321
3322 #define bfd_update_armap_timestamp(abfd) \
3323 BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
3324
3325 #define bfd_set_arch_mach(abfd, arch, mach)\
3326 BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
3327
3328 #define bfd_relax_section(abfd, section, link_info, again) \
3329 BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
3330
3331 #define bfd_gc_sections(abfd, link_info) \
3332 BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
3333
3334 #define bfd_merge_sections(abfd, link_info) \
3335 BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
3336
3337 #define bfd_link_hash_table_create(abfd) \
3338 BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
3339
3340 #define bfd_link_add_symbols(abfd, info) \
3341 BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
3342
3343 #define bfd_final_link(abfd, info) \
3344 BFD_SEND (abfd, _bfd_final_link, (abfd, info))
3345
3346 #define bfd_free_cached_info(abfd) \
3347 BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
3348
3349 #define bfd_get_dynamic_symtab_upper_bound(abfd) \
3350 BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
3351
3352 #define bfd_print_private_bfd_data(abfd, file)\
3353 BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
3354
3355 #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
3356 BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
3357
3358 #define bfd_get_dynamic_reloc_upper_bound(abfd) \
3359 BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
3360
3361 #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
3362 BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
3363
3364 extern bfd_byte *bfd_get_relocated_section_contents
3365 PARAMS ((bfd *, struct bfd_link_info *,
3366 struct bfd_link_order *, bfd_byte *,
3367 boolean, asymbol **));
3368
3369 boolean
3370 bfd_alt_mach_code PARAMS ((bfd *abfd, int index));
3371
3372 symindex
3373 bfd_get_next_mapent PARAMS ((bfd *abfd, symindex previous, carsym **sym));
3374
3375 boolean
3376 bfd_set_archive_head PARAMS ((bfd *output, bfd *new_head));
3377
3378 bfd *
3379 bfd_openr_next_archived_file PARAMS ((bfd *archive, bfd *previous));
3380
3381 const char *
3382 bfd_core_file_failing_command PARAMS ((bfd *abfd));
3383
3384 int
3385 bfd_core_file_failing_signal PARAMS ((bfd *abfd));
3386
3387 boolean
3388 core_file_matches_executable_p PARAMS ((bfd *core_bfd, bfd *exec_bfd));
3389
3390 #define BFD_SEND(bfd, message, arglist) \
3391 ((*((bfd)->xvec->message)) arglist)
3392
3393 #ifdef DEBUG_BFD_SEND
3394 #undef BFD_SEND
3395 #define BFD_SEND(bfd, message, arglist) \
3396 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3397 ((*((bfd)->xvec->message)) arglist) : \
3398 (bfd_assert (__FILE__,__LINE__), NULL))
3399 #endif
3400 #define BFD_SEND_FMT(bfd, message, arglist) \
3401 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
3402
3403 #ifdef DEBUG_BFD_SEND
3404 #undef BFD_SEND_FMT
3405 #define BFD_SEND_FMT(bfd, message, arglist) \
3406 (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
3407 (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
3408 (bfd_assert (__FILE__,__LINE__), NULL))
3409 #endif
3410 enum bfd_flavour {
3411 bfd_target_unknown_flavour,
3412 bfd_target_aout_flavour,
3413 bfd_target_coff_flavour,
3414 bfd_target_ecoff_flavour,
3415 bfd_target_xcoff_flavour,
3416 bfd_target_elf_flavour,
3417 bfd_target_ieee_flavour,
3418 bfd_target_nlm_flavour,
3419 bfd_target_oasys_flavour,
3420 bfd_target_tekhex_flavour,
3421 bfd_target_srec_flavour,
3422 bfd_target_ihex_flavour,
3423 bfd_target_som_flavour,
3424 bfd_target_os9k_flavour,
3425 bfd_target_versados_flavour,
3426 bfd_target_msdos_flavour,
3427 bfd_target_ovax_flavour,
3428 bfd_target_evax_flavour
3429 };
3430
3431 enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
3432
3433 /* Forward declaration. */
3434 typedef struct bfd_link_info _bfd_link_info;
3435
3436 typedef struct bfd_target
3437 {
3438 char *name;
3439 enum bfd_flavour flavour;
3440 enum bfd_endian byteorder;
3441 enum bfd_endian header_byteorder;
3442 flagword object_flags;
3443 flagword section_flags;
3444 char symbol_leading_char;
3445 char ar_pad_char;
3446 unsigned short ar_max_namelen;
3447 bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
3448 bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
3449 void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
3450 bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
3451 bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
3452 void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
3453 bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
3454 bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
3455 void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
3456 bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
3457 bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
3458 void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
3459 bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
3460 bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
3461 void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
3462 bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
3463 bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
3464 void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
3465 const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
3466 boolean (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
3467 boolean (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
3468
3469 /* Generic entry points. */
3470 #define BFD_JUMP_TABLE_GENERIC(NAME) \
3471 CONCAT2 (NAME,_close_and_cleanup), \
3472 CONCAT2 (NAME,_bfd_free_cached_info), \
3473 CONCAT2 (NAME,_new_section_hook), \
3474 CONCAT2 (NAME,_get_section_contents), \
3475 CONCAT2 (NAME,_get_section_contents_in_window)
3476
3477 /* Called when the BFD is being closed to do any necessary cleanup. */
3478 boolean (*_close_and_cleanup) PARAMS ((bfd *));
3479 /* Ask the BFD to free all cached information. */
3480 boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
3481 /* Called when a new section is created. */
3482 boolean (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
3483 /* Read the contents of a section. */
3484 boolean (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3485 file_ptr, bfd_size_type));
3486 boolean (*_bfd_get_section_contents_in_window)
3487 PARAMS ((bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type));
3488
3489 /* Entry points to copy private data. */
3490 #define BFD_JUMP_TABLE_COPY(NAME) \
3491 CONCAT2 (NAME,_bfd_copy_private_bfd_data), \
3492 CONCAT2 (NAME,_bfd_merge_private_bfd_data), \
3493 CONCAT2 (NAME,_bfd_copy_private_section_data), \
3494 CONCAT2 (NAME,_bfd_copy_private_symbol_data), \
3495 CONCAT2 (NAME,_bfd_set_private_flags), \
3496 CONCAT2 (NAME,_bfd_print_private_bfd_data) \
3497 /* Called to copy BFD general private data from one object file
3498 to another. */
3499 boolean (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
3500 /* Called to merge BFD general private data from one object file
3501 to a common output file when linking. */
3502 boolean (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
3503 /* Called to copy BFD private section data from one object file
3504 to another. */
3505 boolean (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
3506 bfd *, sec_ptr));
3507 /* Called to copy BFD private symbol data from one symbol
3508 to another. */
3509 boolean (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
3510 bfd *, asymbol *));
3511 /* Called to set private backend flags */
3512 boolean (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
3513
3514 /* Called to print private BFD data */
3515 boolean (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
3516
3517 /* Core file entry points. */
3518 #define BFD_JUMP_TABLE_CORE(NAME) \
3519 CONCAT2 (NAME,_core_file_failing_command), \
3520 CONCAT2 (NAME,_core_file_failing_signal), \
3521 CONCAT2 (NAME,_core_file_matches_executable_p)
3522 char * (*_core_file_failing_command) PARAMS ((bfd *));
3523 int (*_core_file_failing_signal) PARAMS ((bfd *));
3524 boolean (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
3525
3526 /* Archive entry points. */
3527 #define BFD_JUMP_TABLE_ARCHIVE(NAME) \
3528 CONCAT2 (NAME,_slurp_armap), \
3529 CONCAT2 (NAME,_slurp_extended_name_table), \
3530 CONCAT2 (NAME,_construct_extended_name_table), \
3531 CONCAT2 (NAME,_truncate_arname), \
3532 CONCAT2 (NAME,_write_armap), \
3533 CONCAT2 (NAME,_read_ar_hdr), \
3534 CONCAT2 (NAME,_openr_next_archived_file), \
3535 CONCAT2 (NAME,_get_elt_at_index), \
3536 CONCAT2 (NAME,_generic_stat_arch_elt), \
3537 CONCAT2 (NAME,_update_armap_timestamp)
3538 boolean (*_bfd_slurp_armap) PARAMS ((bfd *));
3539 boolean (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
3540 boolean (*_bfd_construct_extended_name_table)
3541 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
3542 void (*_bfd_truncate_arname) PARAMS ((bfd *, const char *, char *));
3543 boolean (*write_armap)
3544 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
3545 PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
3546 bfd * (*openr_next_archived_file) PARAMS ((bfd *, bfd *));
3547 #define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
3548 bfd * (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
3549 int (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
3550 boolean (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
3551
3552 /* Entry points used for symbols. */
3553 #define BFD_JUMP_TABLE_SYMBOLS(NAME) \
3554 CONCAT2 (NAME,_get_symtab_upper_bound), \
3555 CONCAT2 (NAME,_get_symtab), \
3556 CONCAT2 (NAME,_make_empty_symbol), \
3557 CONCAT2 (NAME,_print_symbol), \
3558 CONCAT2 (NAME,_get_symbol_info), \
3559 CONCAT2 (NAME,_bfd_is_local_label_name), \
3560 CONCAT2 (NAME,_get_lineno), \
3561 CONCAT2 (NAME,_find_nearest_line), \
3562 CONCAT2 (NAME,_bfd_make_debug_symbol), \
3563 CONCAT2 (NAME,_read_minisymbols), \
3564 CONCAT2 (NAME,_minisymbol_to_symbol)
3565 long (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
3566 long (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
3567 struct symbol_cache_entry **));
3568 struct symbol_cache_entry *
3569 (*_bfd_make_empty_symbol) PARAMS ((bfd *));
3570 void (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
3571 struct symbol_cache_entry *,
3572 bfd_print_symbol_type));
3573 #define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
3574 void (*_bfd_get_symbol_info) PARAMS ((bfd *,
3575 struct symbol_cache_entry *,
3576 symbol_info *));
3577 #define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
3578 boolean (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
3579
3580 alent * (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
3581 boolean (*_bfd_find_nearest_line)
3582 PARAMS ((bfd *, struct sec *, struct symbol_cache_entry **, bfd_vma,
3583 const char **, const char **, unsigned int *));
3584 /* Back-door to allow format-aware applications to create debug symbols
3585 while using BFD for everything else. Currently used by the assembler
3586 when creating COFF files. */
3587 asymbol *(*_bfd_make_debug_symbol) PARAMS ((bfd *, void *,
3588 unsigned long size));
3589 #define bfd_read_minisymbols(b, d, m, s) \
3590 BFD_SEND (b, _read_minisymbols, (b, d, m, s))
3591 long (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
3592 unsigned int *));
3593 #define bfd_minisymbol_to_symbol(b, d, m, f) \
3594 BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
3595 asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
3596 asymbol *));
3597
3598 /* Routines for relocs. */
3599 #define BFD_JUMP_TABLE_RELOCS(NAME) \
3600 CONCAT2 (NAME,_get_reloc_upper_bound), \
3601 CONCAT2 (NAME,_canonicalize_reloc), \
3602 CONCAT2 (NAME,_bfd_reloc_type_lookup)
3603 long (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
3604 long (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
3605 struct symbol_cache_entry **));
3606 /* See documentation on reloc types. */
3607 reloc_howto_type *
3608 (*reloc_type_lookup) PARAMS ((bfd *, bfd_reloc_code_real_type));
3609
3610 /* Routines used when writing an object file. */
3611 #define BFD_JUMP_TABLE_WRITE(NAME) \
3612 CONCAT2 (NAME,_set_arch_mach), \
3613 CONCAT2 (NAME,_set_section_contents)
3614 boolean (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
3615 unsigned long));
3616 boolean (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
3617 file_ptr, bfd_size_type));
3618
3619 /* Routines used by the linker. */
3620 #define BFD_JUMP_TABLE_LINK(NAME) \
3621 CONCAT2 (NAME,_sizeof_headers), \
3622 CONCAT2 (NAME,_bfd_get_relocated_section_contents), \
3623 CONCAT2 (NAME,_bfd_relax_section), \
3624 CONCAT2 (NAME,_bfd_link_hash_table_create), \
3625 CONCAT2 (NAME,_bfd_link_add_symbols), \
3626 CONCAT2 (NAME,_bfd_final_link), \
3627 CONCAT2 (NAME,_bfd_link_split_section), \
3628 CONCAT2 (NAME,_bfd_gc_sections), \
3629 CONCAT2 (NAME,_bfd_merge_sections)
3630 int (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
3631 bfd_byte *(*_bfd_get_relocated_section_contents)
3632 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
3633 bfd_byte *, boolean, struct symbol_cache_entry **));
3634
3635 boolean (*_bfd_relax_section)
3636 PARAMS ((bfd *, struct sec *, struct bfd_link_info *, boolean *));
3637
3638 /* Create a hash table for the linker. Different backends store
3639 different information in this table. */
3640 struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
3641
3642 /* Add symbols from this object file into the hash table. */
3643 boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
3644
3645 /* Do a link based on the link_order structures attached to each
3646 section of the BFD. */
3647 boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
3648
3649 /* Should this section be split up into smaller pieces during linking. */
3650 boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
3651
3652 /* Remove sections that are not referenced from the output. */
3653 boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
3654
3655 /* Attempt to merge SEC_MERGE sections. */
3656 boolean (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
3657
3658 /* Routines to handle dynamic symbols and relocs. */
3659 #define BFD_JUMP_TABLE_DYNAMIC(NAME) \
3660 CONCAT2 (NAME,_get_dynamic_symtab_upper_bound), \
3661 CONCAT2 (NAME,_canonicalize_dynamic_symtab), \
3662 CONCAT2 (NAME,_get_dynamic_reloc_upper_bound), \
3663 CONCAT2 (NAME,_canonicalize_dynamic_reloc)
3664 /* Get the amount of memory required to hold the dynamic symbols. */
3665 long (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
3666 /* Read in the dynamic symbols. */
3667 long (*_bfd_canonicalize_dynamic_symtab)
3668 PARAMS ((bfd *, struct symbol_cache_entry **));
3669 /* Get the amount of memory required to hold the dynamic relocs. */
3670 long (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
3671 /* Read in the dynamic relocs. */
3672 long (*_bfd_canonicalize_dynamic_reloc)
3673 PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
3674
3675 /* Opposite endian version of this target. */
3676 const struct bfd_target * alternative_target;
3677
3678 PTR backend_data;
3679
3680 } bfd_target;
3681 boolean
3682 bfd_set_default_target PARAMS ((const char *name));
3683
3684 const bfd_target *
3685 bfd_find_target PARAMS ((const char *target_name, bfd *abfd));
3686
3687 const char **
3688 bfd_target_list PARAMS ((void));
3689
3690 const bfd_target *
3691 bfd_search_for_target PARAMS ((int (* search_func) (const bfd_target *, void *), void *));
3692
3693 boolean
3694 bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
3695
3696 boolean
3697 bfd_check_format_matches PARAMS ((bfd *abfd, bfd_format format, char ***matching));
3698
3699 boolean
3700 bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
3701
3702 const char *
3703 bfd_format_string PARAMS ((bfd_format format));
3704
3705 #ifdef __cplusplus
3706 }
3707 #endif
3708 #endif
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