1 /* Generic BFD library interface and support routines.
2 Copyright (C) 1990-2022 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
24 typedef bfd, Error reporting, BFD front end, BFD front end
29 A BFD has type <<bfd>>; objects of this type are the
30 cornerstone of any application using BFD. Using BFD
31 consists of making references though the BFD and to data in the BFD.
33 Here is the structure that defines the type <<bfd>>. It
34 contains the major data about the file and pointers
35 to the rest of the data.
43 . write_direction = 2,
47 .enum bfd_plugin_format
49 . bfd_plugin_unknown = 0,
62 . {* The filename the application opened the BFD with. *}
63 . const char *filename;
65 . {* A pointer to the target jump table. *}
66 . const struct bfd_target *xvec;
68 . {* The IOSTREAM, and corresponding IO vector that provide access
69 . to the file backing the BFD. *}
71 . const struct bfd_iovec *iovec;
73 . {* The caching routines use these to maintain a
74 . least-recently-used list of BFDs. *}
75 . struct bfd *lru_prev, *lru_next;
77 . {* Track current file position (or current buffer offset for
78 . in-memory BFDs). When a file is closed by the caching routines,
79 . BFD retains state information on the file here. *}
82 . {* File modified time, if mtime_set is TRUE. *}
85 . {* A unique identifier of the BFD *}
88 . {* Format_specific flags. *}
91 . {* Values that may appear in the flags field of a BFD. These also
92 . appear in the object_flags field of the bfd_target structure, where
93 . they indicate the set of flags used by that backend (not all flags
94 . are meaningful for all object file formats) (FIXME: at the moment,
95 . the object_flags values have mostly just been copied from backend
96 . to another, and are not necessarily correct). *}
98 .#define BFD_NO_FLAGS 0x0
100 . {* BFD contains relocation entries. *}
101 .#define HAS_RELOC 0x1
103 . {* BFD is directly executable. *}
106 . {* BFD has line number information (basically used for F_LNNO in a
108 .#define HAS_LINENO 0x4
110 . {* BFD has debugging information. *}
111 .#define HAS_DEBUG 0x08
113 . {* BFD has symbols. *}
114 .#define HAS_SYMS 0x10
116 . {* BFD has local symbols (basically used for F_LSYMS in a COFF
118 .#define HAS_LOCALS 0x20
120 . {* BFD is a dynamic object. *}
121 .#define DYNAMIC 0x40
123 . {* Text section is write protected (if D_PAGED is not set, this is
124 . like an a.out NMAGIC file) (the linker sets this by default, but
125 . clears it for -r or -N). *}
126 .#define WP_TEXT 0x80
128 . {* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
129 . linker sets this by default, but clears it for -r or -n or -N). *}
130 .#define D_PAGED 0x100
132 . {* BFD is relaxable (this means that bfd_relax_section may be able to
133 . do something) (sometimes bfd_relax_section can do something even if
134 . this is not set). *}
135 .#define BFD_IS_RELAXABLE 0x200
137 . {* This may be set before writing out a BFD to request using a
138 . traditional format. For example, this is used to request that when
139 . writing out an a.out object the symbols not be hashed to eliminate
141 .#define BFD_TRADITIONAL_FORMAT 0x400
143 . {* This flag indicates that the BFD contents are actually cached
144 . in memory. If this is set, iostream points to a bfd_in_memory
146 .#define BFD_IN_MEMORY 0x800
148 . {* This BFD has been created by the linker and doesn't correspond
149 . to any input file. *}
150 .#define BFD_LINKER_CREATED 0x1000
152 . {* This may be set before writing out a BFD to request that it
153 . be written using values for UIDs, GIDs, timestamps, etc. that
154 . will be consistent from run to run. *}
155 .#define BFD_DETERMINISTIC_OUTPUT 0x2000
157 . {* Compress sections in this BFD. *}
158 .#define BFD_COMPRESS 0x4000
160 . {* Decompress sections in this BFD. *}
161 .#define BFD_DECOMPRESS 0x8000
163 . {* BFD is a dummy, for plugins. *}
164 .#define BFD_PLUGIN 0x10000
166 . {* Compress sections in this BFD with SHF_COMPRESSED from gABI. *}
167 .#define BFD_COMPRESS_GABI 0x20000
169 . {* Convert ELF common symbol type to STT_COMMON or STT_OBJECT in this
171 .#define BFD_CONVERT_ELF_COMMON 0x40000
173 . {* Use the ELF STT_COMMON type in this BFD. *}
174 .#define BFD_USE_ELF_STT_COMMON 0x80000
176 . {* Put pathnames into archives (non-POSIX). *}
177 .#define BFD_ARCHIVE_FULL_PATH 0x100000
179 .#define BFD_CLOSED_BY_CACHE 0x200000
181 . {* Compress sections in this BFD with SHF_COMPRESSED zstd. *}
182 .#define BFD_COMPRESS_ZSTD 0x400000
184 . {* Flags bits to be saved in bfd_preserve_save. *}
185 .#define BFD_FLAGS_SAVED \
186 . (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
187 . | BFD_PLUGIN | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON \
188 . | BFD_USE_ELF_STT_COMMON | BFD_COMPRESS_ZSTD)
190 . {* Flags bits which are for BFD use only. *}
191 .#define BFD_FLAGS_FOR_BFD_USE_MASK \
192 . (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
193 . | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT \
194 . | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON)
196 . {* The format which belongs to the BFD. (object, core, etc.) *}
197 . ENUM_BITFIELD (bfd_format) format : 3;
199 . {* The direction with which the BFD was opened. *}
200 . ENUM_BITFIELD (bfd_direction) direction : 2;
202 . {* Is the file descriptor being cached? That is, can it be closed as
203 . needed, and re-opened when accessed later? *}
204 . unsigned int cacheable : 1;
206 . {* Marks whether there was a default target specified when the
207 . BFD was opened. This is used to select which matching algorithm
208 . to use to choose the back end. *}
209 . unsigned int target_defaulted : 1;
211 . {* ... and here: (``once'' means at least once). *}
212 . unsigned int opened_once : 1;
214 . {* Set if we have a locally maintained mtime value, rather than
215 . getting it from the file each time. *}
216 . unsigned int mtime_set : 1;
218 . {* Flag set if symbols from this BFD should not be exported. *}
219 . unsigned int no_export : 1;
221 . {* Remember when output has begun, to stop strange things
223 . unsigned int output_has_begun : 1;
225 . {* Have archive map. *}
226 . unsigned int has_armap : 1;
228 . {* Set if this is a thin archive. *}
229 . unsigned int is_thin_archive : 1;
231 . {* Set if this archive should not cache element positions. *}
232 . unsigned int no_element_cache : 1;
234 . {* Set if only required symbols should be added in the link hash table for
235 . this object. Used by VMS linkers. *}
236 . unsigned int selective_search : 1;
238 . {* Set if this is the linker output BFD. *}
239 . unsigned int is_linker_output : 1;
241 . {* Set if this is the linker input BFD. *}
242 . unsigned int is_linker_input : 1;
244 . {* If this is an input for a compiler plug-in library. *}
245 . ENUM_BITFIELD (bfd_plugin_format) plugin_format : 2;
247 . {* Set if this is a plugin output file. *}
248 . unsigned int lto_output : 1;
250 . {* Set if this is a slim LTO object not loaded with a compiler plugin. *}
251 . unsigned int lto_slim_object : 1;
253 . {* Do not attempt to modify this file. Set when detecting errors
254 . that BFD is not prepared to handle for objcopy/strip. *}
255 . unsigned int read_only : 1;
257 . {* Set to dummy BFD created when claimed by a compiler plug-in
259 . bfd *plugin_dummy_bfd;
261 . {* The offset of this bfd in the file, typically 0 if it is not
262 . contained in an archive. *}
265 . {* The origin in the archive of the proxy entry. This will
266 . normally be the same as origin, except for thin archives,
267 . when it will contain the current offset of the proxy in the
268 . thin archive rather than the offset of the bfd in its actual
270 . ufile_ptr proxy_origin;
272 . {* A hash table for section names. *}
273 . struct bfd_hash_table section_htab;
275 . {* Pointer to linked list of sections. *}
276 . struct bfd_section *sections;
278 . {* The last section on the section list. *}
279 . struct bfd_section *section_last;
281 . {* The number of sections. *}
282 . unsigned int section_count;
284 . {* The archive plugin file descriptor. *}
285 . int archive_plugin_fd;
287 . {* The number of opens on the archive plugin file descriptor. *}
288 . unsigned int archive_plugin_fd_open_count;
290 . {* A field used by _bfd_generic_link_add_archive_symbols. This will
291 . be used only for archive elements. *}
294 . {* The total size of memory from bfd_alloc. *}
295 . bfd_size_type alloc_size;
297 . {* Stuff only useful for object files:
298 . The start address. *}
299 . bfd_vma start_address;
301 . {* Symbol table for output BFD (with symcount entries).
302 . Also used by the linker to cache input BFD symbols. *}
303 . struct bfd_symbol **outsymbols;
305 . {* Used for input and output. *}
306 . unsigned int symcount;
308 . {* Used for slurped dynamic symbol tables. *}
309 . unsigned int dynsymcount;
311 . {* Pointer to structure which contains architecture information. *}
312 . const struct bfd_arch_info *arch_info;
314 . {* Cached length of file for bfd_get_size. 0 until bfd_get_size is
315 . called, 1 if stat returns an error or the file size is too large to
316 . return in ufile_ptr. Both 0 and 1 should be treated as "unknown". *}
319 . {* Stuff only useful for archives. *}
321 . struct bfd *my_archive; {* The containing archive BFD. *}
322 . struct bfd *archive_next; {* The next BFD in the archive. *}
323 . struct bfd *archive_head; {* The first BFD in the archive. *}
324 . struct bfd *nested_archives; {* List of nested archive in a flattened
328 . {* For input BFDs, a chain of BFDs involved in a link. *}
330 . {* For output BFD, the linker hash table. *}
331 . struct bfd_link_hash_table *hash;
334 . {* Used by the back end to hold private data. *}
337 . struct aout_data_struct *aout_data;
338 . struct artdata *aout_ar_data;
339 . struct coff_tdata *coff_obj_data;
340 . struct pe_tdata *pe_obj_data;
341 . struct xcoff_tdata *xcoff_obj_data;
342 . struct ecoff_tdata *ecoff_obj_data;
343 . struct srec_data_struct *srec_data;
344 . struct verilog_data_struct *verilog_data;
345 . struct ihex_data_struct *ihex_data;
346 . struct tekhex_data_struct *tekhex_data;
347 . struct elf_obj_tdata *elf_obj_data;
348 . struct mmo_data_struct *mmo_data;
349 . struct sun_core_struct *sun_core_data;
350 . struct sco5_core_struct *sco5_core_data;
351 . struct trad_core_struct *trad_core_data;
352 . struct som_data_struct *som_data;
353 . struct hpux_core_struct *hpux_core_data;
354 . struct hppabsd_core_struct *hppabsd_core_data;
355 . struct sgi_core_struct *sgi_core_data;
356 . struct lynx_core_struct *lynx_core_data;
357 . struct osf_core_struct *osf_core_data;
358 . struct cisco_core_struct *cisco_core_data;
359 . struct versados_data_struct *versados_data;
360 . struct netbsd_core_struct *netbsd_core_data;
361 . struct mach_o_data_struct *mach_o_data;
362 . struct mach_o_fat_data_struct *mach_o_fat_data;
363 . struct plugin_data_struct *plugin_data;
364 . struct bfd_pef_data_struct *pef_data;
365 . struct bfd_pef_xlib_data_struct *pef_xlib_data;
366 . struct bfd_sym_data_struct *sym_data;
371 . {* Used by the application to hold private data. *}
374 . {* Where all the allocated stuff under this BFD goes. This is a
375 . struct objalloc *, but we use void * to avoid requiring the inclusion
379 . {* For input BFDs, the build ID, if the object has one. *}
380 . const struct bfd_build_id *build_id;
383 .static inline const char *
384 .bfd_get_filename (const bfd *abfd)
386 . return abfd->filename;
390 .bfd_get_cacheable (const bfd *abfd)
392 . return abfd->cacheable;
395 .static inline enum bfd_format
396 .bfd_get_format (const bfd *abfd)
398 . return abfd->format;
401 .static inline flagword
402 .bfd_get_file_flags (const bfd *abfd)
404 . return abfd->flags;
407 .static inline bfd_vma
408 .bfd_get_start_address (const bfd *abfd)
410 . return abfd->start_address;
413 .static inline unsigned int
414 .bfd_get_symcount (const bfd *abfd)
416 . return abfd->symcount;
419 .static inline unsigned int
420 .bfd_get_dynamic_symcount (const bfd *abfd)
422 . return abfd->dynsymcount;
425 .static inline struct bfd_symbol **
426 .bfd_get_outsymbols (const bfd *abfd)
428 . return abfd->outsymbols;
431 .static inline unsigned int
432 .bfd_count_sections (const bfd *abfd)
434 . return abfd->section_count;
438 .bfd_has_map (const bfd *abfd)
440 . return abfd->has_armap;
444 .bfd_is_thin_archive (const bfd *abfd)
446 . return abfd->is_thin_archive;
449 .static inline void *
450 .bfd_usrdata (const bfd *abfd)
452 . return abfd->usrdata;
455 .{* See note beside bfd_set_section_userdata. *}
457 .bfd_set_cacheable (bfd * abfd, bool val)
459 . abfd->cacheable = val;
464 .bfd_set_thin_archive (bfd *abfd, bool val)
466 . abfd->is_thin_archive = val;
470 .bfd_set_usrdata (bfd *abfd, void *val)
472 . abfd->usrdata = val;
475 .static inline asection *
476 .bfd_asymbol_section (const asymbol *sy)
478 . return sy->section;
481 .static inline bfd_vma
482 .bfd_asymbol_value (const asymbol *sy)
484 . return sy->section->vma + sy->value;
487 .static inline const char *
488 .bfd_asymbol_name (const asymbol *sy)
493 .static inline struct bfd *
494 .bfd_asymbol_bfd (const asymbol *sy)
496 . return sy->the_bfd;
500 .bfd_set_asymbol_name (asymbol *sy, const char *name)
505 .static inline bfd_size_type
506 .bfd_get_section_limit_octets (const bfd *abfd, const asection *sec)
508 . if (abfd->direction != write_direction && sec->rawsize != 0)
509 . return sec->rawsize;
513 .{* Find the address one past the end of SEC. *}
514 .static inline bfd_size_type
515 .bfd_get_section_limit (const bfd *abfd, const asection *sec)
517 . return (bfd_get_section_limit_octets (abfd, sec)
518 . / bfd_octets_per_byte (abfd, sec));
521 .static inline bfd_size_type
522 .bfd_get_section_alloc_size (const bfd *abfd, const asection *sec)
524 . if (abfd->direction != write_direction && sec->rawsize > sec->size)
525 . return sec->rawsize;
529 .{* Functions to handle insertion and deletion of a bfd's sections. These
530 . only handle the list pointers, ie. do not adjust section_count,
531 . target_index etc. *}
533 .bfd_section_list_remove (bfd *abfd, asection *s)
535 . asection *next = s->next;
536 . asection *prev = s->prev;
540 . abfd->sections = next;
544 . abfd->section_last = prev;
548 .bfd_section_list_append (bfd *abfd, asection *s)
551 . if (abfd->section_last)
553 . s->prev = abfd->section_last;
554 . abfd->section_last->next = s;
559 . abfd->sections = s;
561 . abfd->section_last = s;
565 .bfd_section_list_prepend (bfd *abfd, asection *s)
568 . if (abfd->sections)
570 . s->next = abfd->sections;
571 . abfd->sections->prev = s;
576 . abfd->section_last = s;
578 . abfd->sections = s;
582 .bfd_section_list_insert_after (bfd *abfd, asection *a, asection *s)
584 . asection *next = a->next;
591 . abfd->section_last = s;
595 .bfd_section_list_insert_before (bfd *abfd, asection *b, asection *s)
597 . asection *prev = b->prev;
604 . abfd->sections = s;
608 .bfd_section_removed_from_list (const bfd *abfd, const asection *s)
610 . return s->next ? s->next->prev != s : abfd->section_last != s;
619 #include "libiberty.h"
620 #include "demangle.h"
621 #include "safe-ctype.h"
624 #include "coff/internal.h"
625 #include "coff/sym.h"
627 #include "libecoff.h"
632 #define EXIT_FAILURE 1
636 /* provide storage for subsystem, stack and heap data which may have been
637 passed in on the command line. Ld puts this data into a bfd_link_info
638 struct which ultimately gets passed in to the bfd. When it arrives, copy
639 it to the following struct so that the data will be available in coffcode.h
640 where it is needed. The typedef's used are defined in bfd.h */
644 Error reporting, Miscellaneous, typedef bfd, BFD front end
649 Most BFD functions return nonzero on success (check their
650 individual documentation for precise semantics). On an error,
651 they call <<bfd_set_error>> to set an error condition that callers
652 can check by calling <<bfd_get_error>>.
653 If that returns <<bfd_error_system_call>>, then check
656 The easiest way to report a BFD error to the user is to
660 Type <<bfd_error_type>>
662 The values returned by <<bfd_get_error>> are defined by the
663 enumerated type <<bfd_error_type>>.
667 .typedef enum bfd_error
669 . bfd_error_no_error = 0,
670 . bfd_error_system_call,
671 . bfd_error_invalid_target,
672 . bfd_error_wrong_format,
673 . bfd_error_wrong_object_format,
674 . bfd_error_invalid_operation,
675 . bfd_error_no_memory,
676 . bfd_error_no_symbols,
677 . bfd_error_no_armap,
678 . bfd_error_no_more_archived_files,
679 . bfd_error_malformed_archive,
680 . bfd_error_missing_dso,
681 . bfd_error_file_not_recognized,
682 . bfd_error_file_ambiguously_recognized,
683 . bfd_error_no_contents,
684 . bfd_error_nonrepresentable_section,
685 . bfd_error_no_debug_section,
686 . bfd_error_bad_value,
687 . bfd_error_file_truncated,
688 . bfd_error_file_too_big,
690 . bfd_error_on_input,
691 . bfd_error_invalid_error_code
697 static bfd_error_type bfd_error
= bfd_error_no_error
;
698 static bfd
*input_bfd
= NULL
;
699 static bfd_error_type input_error
= bfd_error_no_error
;
701 const char *const bfd_errmsgs
[] =
704 N_("system call error"),
705 N_("invalid bfd target"),
706 N_("file in wrong format"),
707 N_("archive object file in wrong format"),
708 N_("invalid operation"),
709 N_("memory exhausted"),
711 N_("archive has no index; run ranlib to add one"),
712 N_("no more archived files"),
713 N_("malformed archive"),
714 N_("DSO missing from command line"),
715 N_("file format not recognized"),
716 N_("file format is ambiguous"),
717 N_("section has no contents"),
718 N_("nonrepresentable section on output"),
719 N_("symbol needs debug section which does not exist"),
721 N_("file truncated"),
723 N_("sorry, cannot handle this file"),
724 N_("error reading %s: %s"),
725 N_("#<invalid error code>")
733 bfd_error_type bfd_get_error (void);
736 Return the current BFD error condition.
750 void bfd_set_error (bfd_error_type error_tag);
753 Set the BFD error condition to be @var{error_tag}.
755 @var{error_tag} must not be bfd_error_on_input. Use
756 bfd_set_input_error for input errors instead.
760 bfd_set_error (bfd_error_type error_tag
)
762 bfd_error
= error_tag
;
763 if (bfd_error
>= bfd_error_on_input
)
772 void bfd_set_input_error (bfd *input, bfd_error_type error_tag);
776 Set the BFD error condition to be bfd_error_on_input.
777 @var{input} is the input bfd where the error occurred, and
778 @var{error_tag} the bfd_error_type error.
782 bfd_set_input_error (bfd
*input
, bfd_error_type error_tag
)
784 /* This is an error that occurred during bfd_close when writing an
785 archive, but on one of the input files. */
786 bfd_error
= bfd_error_on_input
;
788 input_error
= error_tag
;
789 if (input_error
>= bfd_error_on_input
)
798 const char *bfd_errmsg (bfd_error_type error_tag);
801 Return a string describing the error @var{error_tag}, or
802 the system error if @var{error_tag} is <<bfd_error_system_call>>.
806 bfd_errmsg (bfd_error_type error_tag
)
811 if (error_tag
== bfd_error_on_input
)
814 const char *msg
= bfd_errmsg (input_error
);
816 if (asprintf (&buf
, _(bfd_errmsgs
[error_tag
]),
817 bfd_get_filename (input_bfd
), msg
) != -1)
820 /* Ick, what to do on out of memory? */
824 if (error_tag
== bfd_error_system_call
)
825 return xstrerror (errno
);
827 if (error_tag
> bfd_error_invalid_error_code
)
828 error_tag
= bfd_error_invalid_error_code
; /* sanity check */
830 return _(bfd_errmsgs
[error_tag
]);
838 void bfd_perror (const char *message);
841 Print to the standard error stream a string describing the
842 last BFD error that occurred, or the last system error if
843 the last BFD error was a system call failure. If @var{message}
844 is non-NULL and non-empty, the error string printed is preceded
845 by @var{message}, a colon, and a space. It is followed by a newline.
849 bfd_perror (const char *message
)
852 if (message
== NULL
|| *message
== '\0')
853 fprintf (stderr
, "%s\n", bfd_errmsg (bfd_get_error ()));
855 fprintf (stderr
, "%s: %s\n", message
, bfd_errmsg (bfd_get_error ()));
863 Some BFD functions want to print messages describing the
864 problem. They call a BFD error handler function. This
865 function may be overridden by the program.
867 The BFD error handler acts like vprintf.
871 .typedef void (*bfd_error_handler_type) (const char *, va_list);
875 /* The program name used when printing BFD error messages. */
877 static const char *_bfd_error_program_name
;
879 /* Support for positional parameters. */
881 union _bfd_doprnt_args
901 /* Maximum number of _bfd_error_handler args. Don't increase this
902 without changing the code handling positional parameters. */
905 /* This macro and _bfd_doprnt taken from libiberty _doprnt.c, tidied a
906 little and extended to handle '%pA', '%pB' and positional parameters. */
908 #define PRINT_TYPE(TYPE, FIELD) \
911 TYPE value = (TYPE) args[arg_no].FIELD; \
912 result = print (stream, specifier, value); \
915 typedef int (*print_func
) (void *, const char *, ...);
918 _bfd_doprnt (print_func print
, void *stream
, const char *format
,
919 union _bfd_doprnt_args
*args
)
921 const char *ptr
= format
;
923 int total_printed
= 0;
924 unsigned int arg_count
= 0;
932 /* While we have regular characters, print them. */
933 char *end
= strchr (ptr
, '%');
935 result
= print (stream
, "%.*s", (int) (end
- ptr
), ptr
);
937 result
= print (stream
, "%s", ptr
);
940 else if (ptr
[1] == '%')
948 /* We have a format specifier! */
949 char *sptr
= specifier
;
950 int wide_width
= 0, short_width
= 0;
953 /* Copy the % and move forward. */
956 /* Check for a positional parameter. */
958 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
964 /* Move past flags. */
965 while (strchr ("-+ #0'I", *ptr
))
971 unsigned int arg_index
;
974 arg_index
= arg_count
;
975 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
977 arg_index
= *ptr
- '1';
980 value
= abs (args
[arg_index
].i
);
982 sptr
+= sprintf (sptr
, "%d", value
);
985 /* Handle explicit numeric value. */
986 while (ISDIGIT (*ptr
))
992 /* Copy and go past the period. */
997 unsigned int arg_index
;
1000 arg_index
= arg_count
;
1001 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
1003 arg_index
= *ptr
- '1';
1006 value
= abs (args
[arg_index
].i
);
1008 sptr
+= sprintf (sptr
, "%d", value
);
1011 /* Handle explicit numeric value. */
1012 while (ISDIGIT (*ptr
))
1015 while (strchr ("hlL", *ptr
))
1034 /* Copy the type specifier, and NULL terminate. */
1037 if ((int) arg_no
< 0)
1050 /* Short values are promoted to int, so just copy it
1051 as an int and trust the C library printf to cast it
1052 to the right width. */
1054 PRINT_TYPE (int, i
);
1060 PRINT_TYPE (int, i
);
1063 PRINT_TYPE (long, l
);
1067 #if defined (__MSVCRT__)
1074 PRINT_TYPE (long long, ll
);
1086 if (wide_width
== 0)
1087 PRINT_TYPE (double, d
);
1089 PRINT_TYPE (long double, ld
);
1093 PRINT_TYPE (char *, p
);
1100 const char *group
= NULL
;
1101 struct coff_comdat_info
*ci
;
1104 sec
= (asection
*) args
[arg_no
].p
;
1106 /* Invoking %pA with a null section pointer is an
1111 && bfd_get_flavour (abfd
) == bfd_target_elf_flavour
1112 && elf_next_in_group (sec
) != NULL
1113 && (sec
->flags
& SEC_GROUP
) == 0)
1114 group
= elf_group_name (sec
);
1115 else if (abfd
!= NULL
1116 && bfd_get_flavour (abfd
) == bfd_target_coff_flavour
1117 && (ci
= bfd_coff_get_comdat_section (sec
->owner
,
1121 result
= print (stream
, "%s[%s]", sec
->name
, group
);
1123 result
= print (stream
, "%s", sec
->name
);
1125 else if (*ptr
== 'B')
1130 abfd
= (bfd
*) args
[arg_no
].p
;
1132 /* Invoking %pB with a null bfd pointer is an
1135 else if (abfd
->my_archive
1136 && !bfd_is_thin_archive (abfd
->my_archive
))
1137 result
= print (stream
, "%s(%s)",
1138 bfd_get_filename (abfd
->my_archive
),
1139 bfd_get_filename (abfd
));
1141 result
= print (stream
, "%s", bfd_get_filename (abfd
));
1144 PRINT_TYPE (void *, p
);
1153 total_printed
+= result
;
1156 return total_printed
;
1159 /* First pass over FORMAT to gather ARGS. Returns number of args. */
1162 _bfd_doprnt_scan (const char *format
, va_list ap
, union _bfd_doprnt_args
*args
)
1164 const char *ptr
= format
;
1165 unsigned int arg_count
= 0;
1167 for (unsigned int i
= 0; i
< MAX_ARGS
; i
++)
1170 while (*ptr
!= '\0')
1174 ptr
= strchr (ptr
, '%');
1178 else if (ptr
[1] == '%')
1182 int wide_width
= 0, short_width
= 0;
1183 unsigned int arg_no
;
1188 /* Check for a positional parameter. */
1190 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
1192 arg_no
= *ptr
- '1';
1196 /* Move past flags. */
1197 while (strchr ("-+ #0'I", *ptr
))
1202 unsigned int arg_index
;
1205 arg_index
= arg_count
;
1206 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
1208 arg_index
= *ptr
- '1';
1211 if (arg_index
>= MAX_ARGS
)
1213 args
[arg_index
].type
= Int
;
1217 /* Handle explicit numeric value. */
1218 while (ISDIGIT (*ptr
))
1227 unsigned int arg_index
;
1230 arg_index
= arg_count
;
1231 if (*ptr
!= '0' && ISDIGIT (*ptr
) && ptr
[1] == '$')
1233 arg_index
= *ptr
- '1';
1236 if (arg_index
>= MAX_ARGS
)
1238 args
[arg_index
].type
= Int
;
1242 /* Handle explicit numeric value. */
1243 while (ISDIGIT (*ptr
))
1246 while (strchr ("hlL", *ptr
))
1266 if ((int) arg_no
< 0)
1294 arg_type
= LongLong
;
1306 if (wide_width
== 0)
1309 arg_type
= LongDouble
;
1316 if (*ptr
== 'A' || *ptr
== 'B')
1324 if (arg_no
>= MAX_ARGS
)
1326 args
[arg_no
].type
= arg_type
;
1331 for (unsigned int i
= 0; i
< arg_count
; i
++)
1333 switch (args
[i
].type
)
1336 args
[i
].i
= va_arg (ap
, int);
1339 args
[i
].l
= va_arg (ap
, long);
1342 args
[i
].ll
= va_arg (ap
, long long);
1345 args
[i
].d
= va_arg (ap
, double);
1348 args
[i
].ld
= va_arg (ap
, long double);
1351 args
[i
].p
= va_arg (ap
, void *);
1361 /* The standard error handler that prints to stderr. */
1364 error_handler_fprintf (const char *fmt
, va_list ap
)
1366 union _bfd_doprnt_args args
[MAX_ARGS
];
1368 _bfd_doprnt_scan (fmt
, ap
, args
);
1370 /* PR 4992: Don't interrupt output being sent to stdout. */
1373 fprintf (stderr
, "%s: ", _bfd_get_error_program_name ());
1375 _bfd_doprnt ((print_func
) fprintf
, stderr
, fmt
, args
);
1377 /* On AIX, putc is implemented as a macro that triggers a -Wunused-value
1378 warning, so use the fputc function to avoid it. */
1379 fputc ('\n', stderr
);
1383 /* Control printing to a string buffer. */
1390 /* An fprintf like function that instead prints to a string buffer. */
1393 err_sprintf (void *stream
, const char *fmt
, ...)
1395 struct buf_stream
*s
= stream
;
1399 int total
= vsnprintf (s
->ptr
, s
->left
, fmt
, ap
);
1403 else if (total
> s
->left
)
1416 /* Communicate the bfd processed by bfd_check_format_matches to the
1417 error handling function error_handler_sprintf. */
1419 static bfd
*error_handler_bfd
;
1421 /* An error handler that prints to a string, then dups that string to
1422 a per-xvec cache. */
1425 error_handler_sprintf (const char *fmt
, va_list ap
)
1427 union _bfd_doprnt_args args
[MAX_ARGS
];
1428 char error_buf
[1024];
1429 struct buf_stream error_stream
;
1431 _bfd_doprnt_scan (fmt
, ap
, args
);
1433 error_stream
.ptr
= error_buf
;
1434 error_stream
.left
= sizeof (error_buf
);
1435 _bfd_doprnt (err_sprintf
, &error_stream
, fmt
, args
);
1437 size_t len
= error_stream
.ptr
- error_buf
;
1438 struct per_xvec_message
**warn
1439 = _bfd_per_xvec_warn (error_handler_bfd
->xvec
, len
+ 1);
1442 memcpy ((*warn
)->message
, error_buf
, len
);
1443 (*warn
)->message
[len
] = 0;
1447 /* This is a function pointer to the routine which should handle BFD
1448 error messages. It is called when a BFD routine encounters an
1449 error for which it wants to print a message. Going through a
1450 function pointer permits a program linked against BFD to intercept
1451 the messages and deal with them itself. */
1453 static bfd_error_handler_type _bfd_error_internal
= error_handler_fprintf
;
1460 void _bfd_error_handler (const char *fmt, ...) ATTRIBUTE_PRINTF_1;
1463 This is the default routine to handle BFD error messages.
1464 Like fprintf (stderr, ...), but also handles some extra format
1467 %pA section name from section. For group components, prints
1469 %pB file name from bfd. For archive components, prints
1472 Beware: Only supports a maximum of 9 format arguments.
1476 _bfd_error_handler (const char *fmt
, ...)
1481 _bfd_error_internal (fmt
, ap
);
1487 bfd_set_error_handler
1490 bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type);
1493 Set the BFD error handler function. Returns the previous
1497 bfd_error_handler_type
1498 bfd_set_error_handler (bfd_error_handler_type pnew
)
1500 bfd_error_handler_type pold
;
1502 pold
= _bfd_error_internal
;
1503 _bfd_error_internal
= pnew
;
1509 _bfd_set_error_handler_caching
1512 bfd_error_handler_type _bfd_set_error_handler_caching (bfd *);
1515 Set the BFD error handler function to one that stores messages
1516 to the per_xvec_warn array. Returns the previous function.
1519 bfd_error_handler_type
1520 _bfd_set_error_handler_caching (bfd
*abfd
)
1522 error_handler_bfd
= abfd
;
1523 return bfd_set_error_handler (error_handler_sprintf
);
1528 bfd_set_error_program_name
1531 void bfd_set_error_program_name (const char *);
1534 Set the program name to use when printing a BFD error. This
1535 is printed before the error message followed by a colon and
1536 space. The string must not be changed after it is passed to
1541 bfd_set_error_program_name (const char *name
)
1543 _bfd_error_program_name
= name
;
1548 _bfd_get_error_program_name
1551 const char *_bfd_get_error_program_name (void);
1554 Get the program name used when printing a BFD error.
1558 _bfd_get_error_program_name (void)
1560 if (_bfd_error_program_name
!= NULL
)
1561 return _bfd_error_program_name
;
1569 If BFD finds an internal inconsistency, the bfd assert
1570 handler is called with information on the BFD version, BFD
1571 source file and line. If this happens, most programs linked
1572 against BFD are expected to want to exit with an error, or mark
1573 the current BFD operation as failed, so it is recommended to
1574 override the default handler, which just calls
1575 _bfd_error_handler and continues.
1579 .typedef void (*bfd_assert_handler_type) (const char *bfd_formatmsg,
1580 . const char *bfd_version,
1581 . const char *bfd_file,
1586 /* Note the use of bfd_ prefix on the parameter names above: we want to
1587 show which one is the message and which is the version by naming the
1588 parameters, but avoid polluting the program-using-bfd namespace as
1589 the typedef is visible in the exported headers that the program
1590 includes. Below, it's just for consistency. */
1593 _bfd_default_assert_handler (const char *bfd_formatmsg
,
1594 const char *bfd_version
,
1595 const char *bfd_file
,
1599 _bfd_error_handler (bfd_formatmsg
, bfd_version
, bfd_file
, bfd_line
);
1602 /* Similar to _bfd_error_handler, a program can decide to exit on an
1603 internal BFD error. We use a non-variadic type to simplify passing
1604 on parameters to other functions, e.g. _bfd_error_handler. */
1606 static bfd_assert_handler_type _bfd_assert_handler
= _bfd_default_assert_handler
;
1610 bfd_set_assert_handler
1613 bfd_assert_handler_type bfd_set_assert_handler (bfd_assert_handler_type);
1616 Set the BFD assert handler function. Returns the previous
1620 bfd_assert_handler_type
1621 bfd_set_assert_handler (bfd_assert_handler_type pnew
)
1623 bfd_assert_handler_type pold
;
1625 pold
= _bfd_assert_handler
;
1626 _bfd_assert_handler
= pnew
;
1632 Miscellaneous, Memory Usage, Error reporting, BFD front end
1638 Miscellaneous functions
1643 bfd_get_reloc_upper_bound
1646 long bfd_get_reloc_upper_bound (bfd *abfd, asection *sect);
1649 Return the number of bytes required to store the
1650 relocation information associated with section @var{sect}
1651 attached to bfd @var{abfd}. If an error occurs, return -1.
1656 bfd_get_reloc_upper_bound (bfd
*abfd
, sec_ptr asect
)
1658 if (abfd
->format
!= bfd_object
)
1660 bfd_set_error (bfd_error_invalid_operation
);
1664 return BFD_SEND (abfd
, _get_reloc_upper_bound
, (abfd
, asect
));
1669 bfd_canonicalize_reloc
1672 long bfd_canonicalize_reloc
1673 (bfd *abfd, asection *sec, arelent **loc, asymbol **syms);
1676 Call the back end associated with the open BFD
1677 @var{abfd} and translate the external form of the relocation
1678 information attached to @var{sec} into the internal canonical
1679 form. Place the table into memory at @var{loc}, which has
1680 been preallocated, usually by a call to
1681 <<bfd_get_reloc_upper_bound>>. Returns the number of relocs, or
1684 The @var{syms} table is also needed for horrible internal magic
1689 bfd_canonicalize_reloc (bfd
*abfd
,
1694 if (abfd
->format
!= bfd_object
)
1696 bfd_set_error (bfd_error_invalid_operation
);
1700 return BFD_SEND (abfd
, _bfd_canonicalize_reloc
,
1701 (abfd
, asect
, location
, symbols
));
1710 (bfd *abfd, asection *sec, arelent **rel, unsigned int count);
1713 Set the relocation pointer and count within
1714 section @var{sec} to the values @var{rel} and @var{count}.
1715 The argument @var{abfd} is ignored.
1717 .#define bfd_set_reloc(abfd, asect, location, count) \
1718 . BFD_SEND (abfd, _bfd_set_reloc, (abfd, asect, location, count))
1726 bool bfd_set_file_flags (bfd *abfd, flagword flags);
1729 Set the flag word in the BFD @var{abfd} to the value @var{flags}.
1731 Possible errors are:
1732 o <<bfd_error_wrong_format>> - The target bfd was not of object format.
1733 o <<bfd_error_invalid_operation>> - The target bfd was open for reading.
1734 o <<bfd_error_invalid_operation>> -
1735 The flag word contained a bit which was not applicable to the
1736 type of file. E.g., an attempt was made to set the <<D_PAGED>> bit
1737 on a BFD format which does not support demand paging.
1742 bfd_set_file_flags (bfd
*abfd
, flagword flags
)
1744 if (abfd
->format
!= bfd_object
)
1746 bfd_set_error (bfd_error_wrong_format
);
1750 if (bfd_read_p (abfd
))
1752 bfd_set_error (bfd_error_invalid_operation
);
1756 abfd
->flags
= flags
;
1757 if ((flags
& bfd_applicable_file_flags (abfd
)) != flags
)
1759 bfd_set_error (bfd_error_invalid_operation
);
1767 bfd_assert (const char *file
, int line
)
1769 /* xgettext:c-format */
1770 (*_bfd_assert_handler
) (_("BFD %s assertion fail %s:%d"),
1771 BFD_VERSION_STRING
, file
, line
);
1774 /* A more or less friendly abort message. In libbfd.h abort is
1775 defined to call this function. */
1778 _bfd_abort (const char *file
, int line
, const char *fn
)
1782 /* xgettext:c-format */
1783 (_("BFD %s internal error, aborting at %s:%d in %s\n"),
1784 BFD_VERSION_STRING
, file
, line
, fn
);
1787 /* xgettext:c-format */
1788 (_("BFD %s internal error, aborting at %s:%d\n"),
1789 BFD_VERSION_STRING
, file
, line
);
1790 _bfd_error_handler (_("Please report this bug.\n"));
1791 _exit (EXIT_FAILURE
);
1799 int bfd_get_arch_size (bfd *abfd);
1802 Returns the normalized architecture address size, in bits, as
1803 determined by the object file's format. By normalized, we mean
1804 either 32 or 64. For ELF, this information is included in the
1805 header. Use bfd_arch_bits_per_address for number of bits in
1806 the architecture address.
1809 Returns the arch size in bits if known, <<-1>> otherwise.
1813 bfd_get_arch_size (bfd
*abfd
)
1815 if (abfd
->xvec
->flavour
== bfd_target_elf_flavour
)
1816 return get_elf_backend_data (abfd
)->s
->arch_size
;
1818 return bfd_arch_bits_per_address (abfd
) > 32 ? 64 : 32;
1823 bfd_get_sign_extend_vma
1826 int bfd_get_sign_extend_vma (bfd *abfd);
1829 Indicates if the target architecture "naturally" sign extends
1830 an address. Some architectures implicitly sign extend address
1831 values when they are converted to types larger than the size
1832 of an address. For instance, bfd_get_start_address() will
1833 return an address sign extended to fill a bfd_vma when this is
1837 Returns <<1>> if the target architecture is known to sign
1838 extend addresses, <<0>> if the target architecture is known to
1839 not sign extend addresses, and <<-1>> otherwise.
1843 bfd_get_sign_extend_vma (bfd
*abfd
)
1847 if (bfd_get_flavour (abfd
) == bfd_target_elf_flavour
)
1848 return get_elf_backend_data (abfd
)->sign_extend_vma
;
1850 name
= bfd_get_target (abfd
);
1852 /* Return a proper value for DJGPP & PE COFF.
1853 This function is required for DWARF2 support, but there is
1854 no place to store this information in the COFF back end.
1855 Should enough other COFF targets add support for DWARF2,
1856 a place will have to be found. Until then, this hack will do. */
1857 if (startswith (name
, "coff-go32")
1858 || strcmp (name
, "pe-i386") == 0
1859 || strcmp (name
, "pei-i386") == 0
1860 || strcmp (name
, "pe-x86-64") == 0
1861 || strcmp (name
, "pei-x86-64") == 0
1862 || strcmp (name
, "pe-aarch64-little") == 0
1863 || strcmp (name
, "pei-aarch64-little") == 0
1864 || strcmp (name
, "pe-arm-wince-little") == 0
1865 || strcmp (name
, "pei-arm-wince-little") == 0
1866 || strcmp (name
, "pei-loongarch64") == 0
1867 || strcmp (name
, "aixcoff-rs6000") == 0
1868 || strcmp (name
, "aix5coff64-rs6000") == 0)
1871 if (startswith (name
, "mach-o"))
1874 bfd_set_error (bfd_error_wrong_format
);
1880 bfd_set_start_address
1883 bool bfd_set_start_address (bfd *abfd, bfd_vma vma);
1886 Make @var{vma} the entry point of output BFD @var{abfd}.
1889 Returns <<TRUE>> on success, <<FALSE>> otherwise.
1893 bfd_set_start_address (bfd
*abfd
, bfd_vma vma
)
1895 abfd
->start_address
= vma
;
1904 unsigned int bfd_get_gp_size (bfd *abfd);
1907 Return the maximum size of objects to be optimized using the GP
1908 register under MIPS ECOFF. This is typically set by the <<-G>>
1909 argument to the compiler, assembler or linker.
1913 bfd_get_gp_size (bfd
*abfd
)
1915 if (abfd
->format
== bfd_object
)
1917 if (abfd
->xvec
->flavour
== bfd_target_ecoff_flavour
)
1918 return ecoff_data (abfd
)->gp_size
;
1919 else if (abfd
->xvec
->flavour
== bfd_target_elf_flavour
)
1920 return elf_gp_size (abfd
);
1930 void bfd_set_gp_size (bfd *abfd, unsigned int i);
1933 Set the maximum size of objects to be optimized using the GP
1934 register under ECOFF or MIPS ELF. This is typically set by
1935 the <<-G>> argument to the compiler, assembler or linker.
1939 bfd_set_gp_size (bfd
*abfd
, unsigned int i
)
1941 /* Don't try to set GP size on an archive or core file! */
1942 if (abfd
->format
!= bfd_object
)
1945 if (abfd
->xvec
->flavour
== bfd_target_ecoff_flavour
)
1946 ecoff_data (abfd
)->gp_size
= i
;
1947 else if (abfd
->xvec
->flavour
== bfd_target_elf_flavour
)
1948 elf_gp_size (abfd
) = i
;
1951 /* Get the GP value. This is an internal function used by some of the
1952 relocation special_function routines on targets which support a GP
1956 _bfd_get_gp_value (bfd
*abfd
)
1960 if (abfd
->format
!= bfd_object
)
1963 if (abfd
->xvec
->flavour
== bfd_target_ecoff_flavour
)
1964 return ecoff_data (abfd
)->gp
;
1965 else if (abfd
->xvec
->flavour
== bfd_target_elf_flavour
)
1966 return elf_gp (abfd
);
1971 /* Set the GP value. */
1974 _bfd_set_gp_value (bfd
*abfd
, bfd_vma v
)
1978 if (abfd
->format
!= bfd_object
)
1981 if (abfd
->xvec
->flavour
== bfd_target_ecoff_flavour
)
1982 ecoff_data (abfd
)->gp
= v
;
1983 else if (abfd
->xvec
->flavour
== bfd_target_elf_flavour
)
1992 void bfd_set_gp_value (bfd *abfd, bfd_vma v);
1995 Allow external access to the fucntion to set the GP value.
1996 This is specifically added for gdb-compile support.
2000 bfd_set_gp_value (bfd
*abfd
, bfd_vma v
)
2002 _bfd_set_gp_value (abfd
, v
);
2010 bfd_vma bfd_scan_vma (const char *string, const char **end, int base);
2013 Convert, like <<strtoul>>, a numerical expression
2014 @var{string} into a <<bfd_vma>> integer, and return that integer.
2015 (Though without as many bells and whistles as <<strtoul>>.)
2016 The expression is assumed to be unsigned (i.e., positive).
2017 If given a @var{base}, it is used as the base for conversion.
2018 A base of 0 causes the function to interpret the string
2019 in hex if a leading "0x" or "0X" is found, otherwise
2020 in octal if a leading zero is found, otherwise in decimal.
2022 If the value would overflow, the maximum <<bfd_vma>> value is
2027 bfd_scan_vma (const char *string
, const char **end
, int base
)
2031 unsigned int cutlim
;
2034 /* Let the host do it if possible. */
2035 if (sizeof (bfd_vma
) <= sizeof (unsigned long))
2036 return strtoul (string
, (char **) end
, base
);
2038 if (sizeof (bfd_vma
) <= sizeof (unsigned long long))
2039 return strtoull (string
, (char **) end
, base
);
2043 if (string
[0] == '0')
2045 if ((string
[1] == 'x') || (string
[1] == 'X'))
2052 if ((base
< 2) || (base
> 36))
2057 && (string
[1] == 'x' || string
[1] == 'X')
2058 && ISXDIGIT (string
[2]))
2063 cutoff
= (~ (bfd_vma
) 0) / (bfd_vma
) base
;
2064 cutlim
= (~ (bfd_vma
) 0) % (bfd_vma
) base
;
2072 if (ISDIGIT (digit
))
2073 digit
= digit
- '0';
2074 else if (ISALPHA (digit
))
2075 digit
= TOUPPER (digit
) - 'A' + 10;
2078 if (digit
>= (unsigned int) base
)
2080 if (value
> cutoff
|| (value
== cutoff
&& digit
> cutlim
))
2082 value
= value
* base
+ digit
;
2087 value
= ~ (bfd_vma
) 0;
2097 bfd_copy_private_header_data
2100 bool bfd_copy_private_header_data (bfd *ibfd, bfd *obfd);
2103 Copy private BFD header information from the BFD @var{ibfd} to the
2104 the BFD @var{obfd}. This copies information that may require
2105 sections to exist, but does not require symbol tables. Return
2106 <<true>> on success, <<false>> on error.
2107 Possible error returns are:
2109 o <<bfd_error_no_memory>> -
2110 Not enough memory exists to create private data for @var{obfd}.
2112 .#define bfd_copy_private_header_data(ibfd, obfd) \
2113 . BFD_SEND (obfd, _bfd_copy_private_header_data, \
2120 bfd_copy_private_bfd_data
2123 bool bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd);
2126 Copy private BFD information from the BFD @var{ibfd} to the
2127 the BFD @var{obfd}. Return <<TRUE>> on success, <<FALSE>> on error.
2128 Possible error returns are:
2130 o <<bfd_error_no_memory>> -
2131 Not enough memory exists to create private data for @var{obfd}.
2133 .#define bfd_copy_private_bfd_data(ibfd, obfd) \
2134 . BFD_SEND (obfd, _bfd_copy_private_bfd_data, \
2141 bfd_set_private_flags
2144 bool bfd_set_private_flags (bfd *abfd, flagword flags);
2147 Set private BFD flag information in the BFD @var{abfd}.
2148 Return <<TRUE>> on success, <<FALSE>> on error. Possible error
2151 o <<bfd_error_no_memory>> -
2152 Not enough memory exists to create private data for @var{obfd}.
2154 .#define bfd_set_private_flags(abfd, flags) \
2155 . BFD_SEND (abfd, _bfd_set_private_flags, (abfd, flags))
2164 The following functions exist but have not yet been documented.
2166 .#define bfd_sizeof_headers(abfd, info) \
2167 . BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, info))
2169 .#define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \
2170 . BFD_SEND (abfd, _bfd_find_nearest_line, \
2171 . (abfd, syms, sec, off, file, func, line, NULL))
2173 .#define bfd_find_nearest_line_with_alt(abfd, alt_filename, sec, syms, off, \
2174 . file, func, line, disc) \
2175 . BFD_SEND (abfd, _bfd_find_nearest_line_with_alt, \
2176 . (abfd, alt_filename, syms, sec, off, file, func, line, disc))
2178 .#define bfd_find_nearest_line_discriminator(abfd, sec, syms, off, file, func, \
2180 . BFD_SEND (abfd, _bfd_find_nearest_line, \
2181 . (abfd, syms, sec, off, file, func, line, disc))
2183 .#define bfd_find_line(abfd, syms, sym, file, line) \
2184 . BFD_SEND (abfd, _bfd_find_line, \
2185 . (abfd, syms, sym, file, line))
2187 .#define bfd_find_inliner_info(abfd, file, func, line) \
2188 . BFD_SEND (abfd, _bfd_find_inliner_info, \
2189 . (abfd, file, func, line))
2191 .#define bfd_debug_info_start(abfd) \
2192 . BFD_SEND (abfd, _bfd_debug_info_start, (abfd))
2194 .#define bfd_debug_info_end(abfd) \
2195 . BFD_SEND (abfd, _bfd_debug_info_end, (abfd))
2197 .#define bfd_debug_info_accumulate(abfd, section) \
2198 . BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section))
2200 .#define bfd_stat_arch_elt(abfd, stat) \
2201 . BFD_SEND (abfd->my_archive ? abfd->my_archive : abfd, \
2202 . _bfd_stat_arch_elt, (abfd, stat))
2204 .#define bfd_update_armap_timestamp(abfd) \
2205 . BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd))
2207 .#define bfd_set_arch_mach(abfd, arch, mach)\
2208 . BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach))
2210 .#define bfd_relax_section(abfd, section, link_info, again) \
2211 . BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again))
2213 .#define bfd_gc_sections(abfd, link_info) \
2214 . BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info))
2216 .#define bfd_lookup_section_flags(link_info, flag_info, section) \
2217 . BFD_SEND (abfd, _bfd_lookup_section_flags, (link_info, flag_info, section))
2219 .#define bfd_merge_sections(abfd, link_info) \
2220 . BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info))
2222 .#define bfd_is_group_section(abfd, sec) \
2223 . BFD_SEND (abfd, _bfd_is_group_section, (abfd, sec))
2225 .#define bfd_group_name(abfd, sec) \
2226 . BFD_SEND (abfd, _bfd_group_name, (abfd, sec))
2228 .#define bfd_discard_group(abfd, sec) \
2229 . BFD_SEND (abfd, _bfd_discard_group, (abfd, sec))
2231 .#define bfd_link_hash_table_create(abfd) \
2232 . BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd))
2234 .#define bfd_link_add_symbols(abfd, info) \
2235 . BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info))
2237 .#define bfd_link_just_syms(abfd, sec, info) \
2238 . BFD_SEND (abfd, _bfd_link_just_syms, (sec, info))
2240 .#define bfd_final_link(abfd, info) \
2241 . BFD_SEND (abfd, _bfd_final_link, (abfd, info))
2243 .#define bfd_free_cached_info(abfd) \
2244 . BFD_SEND (abfd, _bfd_free_cached_info, (abfd))
2246 .#define bfd_get_dynamic_symtab_upper_bound(abfd) \
2247 . BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd))
2249 .#define bfd_print_private_bfd_data(abfd, file)\
2250 . BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file))
2252 .#define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \
2253 . BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols))
2255 .#define bfd_get_synthetic_symtab(abfd, count, syms, dyncount, dynsyms, ret) \
2256 . BFD_SEND (abfd, _bfd_get_synthetic_symtab, (abfd, count, syms, \
2257 . dyncount, dynsyms, ret))
2259 .#define bfd_get_dynamic_reloc_upper_bound(abfd) \
2260 . BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd))
2262 .#define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \
2263 . BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms))
2265 .extern bfd_byte *bfd_get_relocated_section_contents
2266 . (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *,
2267 . bool, asymbol **);
2273 bfd_get_relocated_section_contents (bfd
*abfd
,
2274 struct bfd_link_info
*link_info
,
2275 struct bfd_link_order
*link_order
,
2281 bfd_byte
*(*fn
) (bfd
*, struct bfd_link_info
*, struct bfd_link_order
*,
2282 bfd_byte
*, bool, asymbol
**);
2284 if (link_order
->type
== bfd_indirect_link_order
)
2286 abfd2
= link_order
->u
.indirect
.section
->owner
;
2293 fn
= abfd2
->xvec
->_bfd_get_relocated_section_contents
;
2295 return (*fn
) (abfd
, link_info
, link_order
, data
, relocatable
, symbols
);
2298 /* Record information about an ELF program header. */
2301 bfd_record_phdr (bfd
*abfd
,
2306 bfd_vma at
, /* Bytes. */
2307 bool includes_filehdr
,
2308 bool includes_phdrs
,
2312 struct elf_segment_map
*m
, **pm
;
2314 unsigned int opb
= bfd_octets_per_byte (abfd
, NULL
);
2316 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
2319 amt
= sizeof (struct elf_segment_map
);
2320 amt
+= ((bfd_size_type
) count
- 1) * sizeof (asection
*);
2321 m
= (struct elf_segment_map
*) bfd_zalloc (abfd
, amt
);
2327 m
->p_paddr
= at
* opb
;
2328 m
->p_flags_valid
= flags_valid
;
2329 m
->p_paddr_valid
= at_valid
;
2330 m
->includes_filehdr
= includes_filehdr
;
2331 m
->includes_phdrs
= includes_phdrs
;
2334 memcpy (m
->sections
, secs
, count
* sizeof (asection
*));
2336 for (pm
= &elf_seg_map (abfd
); *pm
!= NULL
; pm
= &(*pm
)->next
)
2344 /* Return true iff this target is 32-bit. */
2349 if (bfd_get_flavour (abfd
) == bfd_target_elf_flavour
)
2351 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
2352 return bed
->s
->elfclass
== ELFCLASS32
;
2355 /* For non-ELF targets, use architecture information. */
2356 return bfd_arch_bits_per_address (abfd
) <= 32;
2360 /* bfd_sprintf_vma and bfd_fprintf_vma display an address in the
2361 target's address size. */
2364 bfd_sprintf_vma (bfd
*abfd ATTRIBUTE_UNUSED
, char *buf
, bfd_vma value
)
2367 if (!is32bit (abfd
))
2369 sprintf (buf
, "%016" PRIx64
, (uint64_t) value
);
2373 sprintf (buf
, "%08lx", (unsigned long) value
& 0xffffffff);
2377 bfd_fprintf_vma (bfd
*abfd ATTRIBUTE_UNUSED
, void *stream
, bfd_vma value
)
2380 if (!is32bit (abfd
))
2382 fprintf ((FILE *) stream
, "%016" PRIx64
, (uint64_t) value
);
2386 fprintf ((FILE *) stream
, "%08lx", (unsigned long) value
& 0xffffffff);
2394 bool bfd_alt_mach_code (bfd *abfd, int alternative);
2398 When more than one machine code number is available for the
2399 same machine type, this function can be used to switch between
2400 the preferred one (alternative == 0) and any others. Currently,
2401 only ELF supports this feature, with up to two alternate
2406 bfd_alt_mach_code (bfd
*abfd
, int alternative
)
2408 if (bfd_get_flavour (abfd
) == bfd_target_elf_flavour
)
2412 switch (alternative
)
2415 code
= get_elf_backend_data (abfd
)->elf_machine_code
;
2419 code
= get_elf_backend_data (abfd
)->elf_machine_alt1
;
2425 code
= get_elf_backend_data (abfd
)->elf_machine_alt2
;
2434 elf_elfheader (abfd
)->e_machine
= code
;
2444 bfd_emul_get_maxpagesize
2447 bfd_vma bfd_emul_get_maxpagesize (const char *);
2450 Returns the maximum page size, in bytes, as determined by
2454 Returns the maximum page size in bytes for ELF, 0 otherwise.
2458 bfd_emul_get_maxpagesize (const char *emul
)
2460 const bfd_target
*target
;
2462 target
= bfd_find_target (emul
, NULL
);
2464 && target
->flavour
== bfd_target_elf_flavour
)
2465 return xvec_get_elf_backend_data (target
)->maxpagesize
;
2472 bfd_emul_get_commonpagesize
2475 bfd_vma bfd_emul_get_commonpagesize (const char *);
2478 Returns the common page size, in bytes, as determined by
2482 Returns the common page size in bytes for ELF, 0 otherwise.
2486 bfd_emul_get_commonpagesize (const char *emul
)
2488 const bfd_target
*target
;
2490 target
= bfd_find_target (emul
, NULL
);
2492 && target
->flavour
== bfd_target_elf_flavour
)
2494 const struct elf_backend_data
*bed
;
2496 bed
= xvec_get_elf_backend_data (target
);
2497 return bed
->commonpagesize
;
2507 char *bfd_demangle (bfd *, const char *, int);
2510 Wrapper around cplus_demangle. Strips leading underscores and
2511 other such chars that would otherwise confuse the demangler.
2512 If passed a g++ v3 ABI mangled name, returns a buffer allocated
2513 with malloc holding the demangled name. Returns NULL otherwise
2514 and on memory alloc failure.
2518 bfd_demangle (bfd
*abfd
, const char *name
, int options
)
2521 const char *pre
, *suf
;
2525 skip_lead
= (abfd
!= NULL
2527 && bfd_get_symbol_leading_char (abfd
) == *name
);
2531 /* This is a hack for better error reporting on XCOFF, PowerPC64-ELF
2532 or the MS PE format. These formats have a number of leading '.'s
2533 on at least some symbols, so we remove all dots to avoid
2534 confusing the demangler. */
2536 while (*name
== '.' || *name
== '$')
2538 pre_len
= name
- pre
;
2540 /* Strip off @plt and suchlike too. */
2542 suf
= strchr (name
, '@');
2545 alloc
= (char *) bfd_malloc (suf
- name
+ 1);
2548 memcpy (alloc
, name
, suf
- name
);
2549 alloc
[suf
- name
] = '\0';
2553 res
= cplus_demangle (name
, options
);
2561 size_t len
= strlen (pre
) + 1;
2562 alloc
= (char *) bfd_malloc (len
);
2565 memcpy (alloc
, pre
, len
);
2571 /* Put back any prefix or suffix. */
2572 if (pre_len
!= 0 || suf
!= NULL
)
2581 suf_len
= strlen (suf
) + 1;
2582 final
= (char *) bfd_malloc (pre_len
+ len
+ suf_len
);
2585 memcpy (final
, pre
, pre_len
);
2586 memcpy (final
+ pre_len
, res
, len
);
2587 memcpy (final
+ pre_len
+ len
, suf
, suf_len
);
2596 /* Get the linker information. */
2598 struct bfd_link_info
*
2599 _bfd_get_link_info (bfd
*abfd
)
2601 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
2604 return elf_link_info (abfd
);