1 /* objcopy.c -- copy object file from input to output, optionally massaging it.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005
4 Free Software Foundation, Inc.
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
27 #include "libiberty.h"
29 #include "filenames.h"
34 /* A list of symbols to explicitly strip out, or to keep. A linked
35 list is good enough for a small number from the command line, but
36 this will slow things down a lot if many symbols are being
45 /* A list to support redefine_sym. */
50 struct redefine_node
*next
;
53 typedef struct section_rename
55 const char * old_name
;
56 const char * new_name
;
58 struct section_rename
* next
;
62 /* List of sections to be renamed. */
63 static section_rename
*section_rename_list
;
65 #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;}
67 static asymbol
**isympp
= NULL
; /* Input symbols. */
68 static asymbol
**osympp
= NULL
; /* Output symbols that survive stripping. */
70 /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
71 static int copy_byte
= -1;
72 static int interleave
= 4;
74 static bfd_boolean verbose
; /* Print file and target names. */
75 static bfd_boolean preserve_dates
; /* Preserve input file timestamp. */
76 static int status
= 0; /* Exit status. */
81 STRIP_NONE
, /* Don't strip. */
82 STRIP_DEBUG
, /* Strip all debugger symbols. */
83 STRIP_UNNEEDED
, /* Strip unnecessary symbols. */
84 STRIP_NONDEBUG
, /* Strip everything but debug info. */
85 STRIP_ALL
/* Strip all symbols. */
88 /* Which symbols to remove. */
89 static enum strip_action strip_symbols
;
94 LOCALS_START_L
, /* Discard locals starting with L. */
95 LOCALS_ALL
/* Discard all locals. */
98 /* Which local symbols to remove. Overrides STRIP_ALL. */
99 static enum locals_action discard_locals
;
101 /* What kind of change to perform. */
109 /* Structure used to hold lists of sections and actions to take. */
112 struct section_list
* next
; /* Next section to change. */
113 const char * name
; /* Section name. */
114 bfd_boolean used
; /* Whether this entry was used. */
115 bfd_boolean remove
; /* Whether to remove this section. */
116 bfd_boolean copy
; /* Whether to copy this section. */
117 enum change_action change_vma
;/* Whether to change or set VMA. */
118 bfd_vma vma_val
; /* Amount to change by or set to. */
119 enum change_action change_lma
;/* Whether to change or set LMA. */
120 bfd_vma lma_val
; /* Amount to change by or set to. */
121 bfd_boolean set_flags
; /* Whether to set the section flags. */
122 flagword flags
; /* What to set the section flags to. */
125 static struct section_list
*change_sections
;
127 /* TRUE if some sections are to be removed. */
128 static bfd_boolean sections_removed
;
130 /* TRUE if only some sections are to be copied. */
131 static bfd_boolean sections_copied
;
133 /* Changes to the start address. */
134 static bfd_vma change_start
= 0;
135 static bfd_boolean set_start_set
= FALSE
;
136 static bfd_vma set_start
;
138 /* Changes to section addresses. */
139 static bfd_vma change_section_address
= 0;
141 /* Filling gaps between sections. */
142 static bfd_boolean gap_fill_set
= FALSE
;
143 static bfd_byte gap_fill
= 0;
145 /* Pad to a given address. */
146 static bfd_boolean pad_to_set
= FALSE
;
147 static bfd_vma pad_to
;
149 /* Use alternate machine code? */
150 static int use_alt_mach_code
= 0;
152 /* Output BFD flags user wants to set or clear */
153 static flagword bfd_flags_to_set
;
154 static flagword bfd_flags_to_clear
;
156 /* List of sections to add. */
159 /* Next section to add. */
160 struct section_add
*next
;
161 /* Name of section to add. */
163 /* Name of file holding section contents. */
164 const char *filename
;
167 /* Contents of file. */
169 /* BFD section, after it has been added. */
173 /* List of sections to add to the output BFD. */
174 static struct section_add
*add_sections
;
176 /* If non-NULL the argument to --add-gnu-debuglink.
177 This should be the filename to store in the .gnu_debuglink section. */
178 static const char * gnu_debuglink_filename
= NULL
;
180 /* Whether to convert debugging information. */
181 static bfd_boolean convert_debugging
= FALSE
;
183 /* Whether to change the leading character in symbol names. */
184 static bfd_boolean change_leading_char
= FALSE
;
186 /* Whether to remove the leading character from global symbol names. */
187 static bfd_boolean remove_leading_char
= FALSE
;
189 /* Whether to permit wildcard in symbol comparison. */
190 static bfd_boolean wildcard
= FALSE
;
192 /* List of symbols to strip, keep, localize, keep-global, weaken,
194 static struct symlist
*strip_specific_list
= NULL
;
195 static struct symlist
*strip_unneeded_list
= NULL
;
196 static struct symlist
*keep_specific_list
= NULL
;
197 static struct symlist
*localize_specific_list
= NULL
;
198 static struct symlist
*globalize_specific_list
= NULL
;
199 static struct symlist
*keepglobal_specific_list
= NULL
;
200 static struct symlist
*weaken_specific_list
= NULL
;
201 static struct redefine_node
*redefine_sym_list
= NULL
;
203 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
204 static bfd_boolean weaken
= FALSE
;
206 /* If this is TRUE, we retain BSF_FILE symbols. */
207 static bfd_boolean keep_file_symbols
= FALSE
;
209 /* Prefix symbols/sections. */
210 static char *prefix_symbols_string
= 0;
211 static char *prefix_sections_string
= 0;
212 static char *prefix_alloc_sections_string
= 0;
214 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
215 enum command_line_switch
217 OPTION_ADD_SECTION
=150,
218 OPTION_CHANGE_ADDRESSES
,
219 OPTION_CHANGE_LEADING_CHAR
,
221 OPTION_CHANGE_SECTION_ADDRESS
,
222 OPTION_CHANGE_SECTION_LMA
,
223 OPTION_CHANGE_SECTION_VMA
,
224 OPTION_CHANGE_WARNINGS
,
227 OPTION_NO_CHANGE_WARNINGS
,
229 OPTION_REMOVE_LEADING_CHAR
,
230 OPTION_SET_SECTION_FLAGS
,
232 OPTION_STRIP_UNNEEDED
,
235 OPTION_REDEFINE_SYMS
,
238 OPTION_STRIP_SYMBOLS
,
239 OPTION_STRIP_UNNEEDED_SYMBOL
,
240 OPTION_STRIP_UNNEEDED_SYMBOLS
,
242 OPTION_LOCALIZE_SYMBOLS
,
243 OPTION_GLOBALIZE_SYMBOL
,
244 OPTION_GLOBALIZE_SYMBOLS
,
245 OPTION_KEEPGLOBAL_SYMBOLS
,
246 OPTION_WEAKEN_SYMBOLS
,
247 OPTION_RENAME_SECTION
,
248 OPTION_ALT_MACH_CODE
,
249 OPTION_PREFIX_SYMBOLS
,
250 OPTION_PREFIX_SECTIONS
,
251 OPTION_PREFIX_ALLOC_SECTIONS
,
253 OPTION_ADD_GNU_DEBUGLINK
,
254 OPTION_ONLY_KEEP_DEBUG
,
255 OPTION_KEEP_FILE_SYMBOLS
,
256 OPTION_READONLY_TEXT
,
257 OPTION_WRITABLE_TEXT
,
262 /* Options to handle if running as "strip". */
264 static struct option strip_options
[] =
266 {"discard-all", no_argument
, 0, 'x'},
267 {"discard-locals", no_argument
, 0, 'X'},
268 {"format", required_argument
, 0, 'F'}, /* Obsolete */
269 {"help", no_argument
, 0, 'h'},
270 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
271 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
272 {"input-target", required_argument
, 0, 'I'},
273 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
274 {"keep-symbol", required_argument
, 0, 'K'},
275 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
276 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
277 {"output-target", required_argument
, 0, 'O'},
278 {"output-file", required_argument
, 0, 'o'},
279 {"preserve-dates", no_argument
, 0, 'p'},
280 {"remove-section", required_argument
, 0, 'R'},
281 {"strip-all", no_argument
, 0, 's'},
282 {"strip-debug", no_argument
, 0, 'S'},
283 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
284 {"strip-symbol", required_argument
, 0, 'N'},
285 {"target", required_argument
, 0, 'F'},
286 {"verbose", no_argument
, 0, 'v'},
287 {"version", no_argument
, 0, 'V'},
288 {"wildcard", no_argument
, 0, 'w'},
289 {0, no_argument
, 0, 0}
292 /* Options to handle if running as "objcopy". */
294 static struct option copy_options
[] =
296 {"add-gnu-debuglink", required_argument
, 0, OPTION_ADD_GNU_DEBUGLINK
},
297 {"add-section", required_argument
, 0, OPTION_ADD_SECTION
},
298 {"adjust-start", required_argument
, 0, OPTION_CHANGE_START
},
299 {"adjust-vma", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
300 {"adjust-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
301 {"adjust-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
302 {"alt-machine-code", required_argument
, 0, OPTION_ALT_MACH_CODE
},
303 {"binary-architecture", required_argument
, 0, 'B'},
304 {"byte", required_argument
, 0, 'b'},
305 {"change-addresses", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
306 {"change-leading-char", no_argument
, 0, OPTION_CHANGE_LEADING_CHAR
},
307 {"change-section-address", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
308 {"change-section-lma", required_argument
, 0, OPTION_CHANGE_SECTION_LMA
},
309 {"change-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_VMA
},
310 {"change-start", required_argument
, 0, OPTION_CHANGE_START
},
311 {"change-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
312 {"debugging", no_argument
, 0, OPTION_DEBUGGING
},
313 {"discard-all", no_argument
, 0, 'x'},
314 {"discard-locals", no_argument
, 0, 'X'},
315 {"format", required_argument
, 0, 'F'}, /* Obsolete */
316 {"gap-fill", required_argument
, 0, OPTION_GAP_FILL
},
317 {"globalize-symbol", required_argument
, 0, OPTION_GLOBALIZE_SYMBOL
},
318 {"globalize-symbols", required_argument
, 0, OPTION_GLOBALIZE_SYMBOLS
},
319 {"help", no_argument
, 0, 'h'},
320 {"impure", no_argument
, 0, OPTION_IMPURE
},
321 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
322 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
323 {"input-target", required_argument
, 0, 'I'},
324 {"interleave", required_argument
, 0, 'i'},
325 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
326 {"keep-global-symbol", required_argument
, 0, 'G'},
327 {"keep-global-symbols", required_argument
, 0, OPTION_KEEPGLOBAL_SYMBOLS
},
328 {"keep-symbol", required_argument
, 0, 'K'},
329 {"keep-symbols", required_argument
, 0, OPTION_KEEP_SYMBOLS
},
330 {"localize-symbol", required_argument
, 0, 'L'},
331 {"localize-symbols", required_argument
, 0, OPTION_LOCALIZE_SYMBOLS
},
332 {"no-adjust-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
333 {"no-change-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
334 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
335 {"only-section", required_argument
, 0, 'j'},
336 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
337 {"output-target", required_argument
, 0, 'O'},
338 {"pad-to", required_argument
, 0, OPTION_PAD_TO
},
339 {"prefix-symbols", required_argument
, 0, OPTION_PREFIX_SYMBOLS
},
340 {"prefix-sections", required_argument
, 0, OPTION_PREFIX_SECTIONS
},
341 {"prefix-alloc-sections", required_argument
, 0, OPTION_PREFIX_ALLOC_SECTIONS
},
342 {"preserve-dates", no_argument
, 0, 'p'},
343 {"pure", no_argument
, 0, OPTION_PURE
},
344 {"readonly-text", no_argument
, 0, OPTION_READONLY_TEXT
},
345 {"redefine-sym", required_argument
, 0, OPTION_REDEFINE_SYM
},
346 {"redefine-syms", required_argument
, 0, OPTION_REDEFINE_SYMS
},
347 {"remove-leading-char", no_argument
, 0, OPTION_REMOVE_LEADING_CHAR
},
348 {"remove-section", required_argument
, 0, 'R'},
349 {"rename-section", required_argument
, 0, OPTION_RENAME_SECTION
},
350 {"set-section-flags", required_argument
, 0, OPTION_SET_SECTION_FLAGS
},
351 {"set-start", required_argument
, 0, OPTION_SET_START
},
352 {"srec-len", required_argument
, 0, OPTION_SREC_LEN
},
353 {"srec-forceS3", no_argument
, 0, OPTION_SREC_FORCES3
},
354 {"strip-all", no_argument
, 0, 'S'},
355 {"strip-debug", no_argument
, 0, 'g'},
356 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
357 {"strip-unneeded-symbol", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOL
},
358 {"strip-unneeded-symbols", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOLS
},
359 {"strip-symbol", required_argument
, 0, 'N'},
360 {"strip-symbols", required_argument
, 0, OPTION_STRIP_SYMBOLS
},
361 {"target", required_argument
, 0, 'F'},
362 {"verbose", no_argument
, 0, 'v'},
363 {"version", no_argument
, 0, 'V'},
364 {"weaken", no_argument
, 0, OPTION_WEAKEN
},
365 {"weaken-symbol", required_argument
, 0, 'W'},
366 {"weaken-symbols", required_argument
, 0, OPTION_WEAKEN_SYMBOLS
},
367 {"wildcard", no_argument
, 0, 'w'},
368 {"writable-text", no_argument
, 0, OPTION_WRITABLE_TEXT
},
369 {0, no_argument
, 0, 0}
373 extern char *program_name
;
375 /* This flag distinguishes between strip and objcopy:
376 1 means this is 'strip'; 0 means this is 'objcopy'.
377 -1 means if we should use argv[0] to decide. */
380 /* The maximum length of an S record. This variable is declared in srec.c
381 and can be modified by the --srec-len parameter. */
382 extern unsigned int Chunk
;
384 /* Restrict the generation of Srecords to type S3 only.
385 This variable is declare in bfd/srec.c and can be toggled
386 on by the --srec-forceS3 command line switch. */
387 extern bfd_boolean S3Forced
;
389 /* Defined in bfd/binary.c. Used to set architecture and machine of input
391 extern enum bfd_architecture bfd_external_binary_architecture
;
392 extern unsigned long bfd_external_machine
;
394 /* Forward declarations. */
395 static void setup_section (bfd
*, asection
*, void *);
396 static void setup_bfd_headers (bfd
*, bfd
*);
397 static void copy_section (bfd
*, asection
*, void *);
398 static void get_sections (bfd
*, asection
*, void *);
399 static int compare_section_lma (const void *, const void *);
400 static void mark_symbols_used_in_relocations (bfd
*, asection
*, void *);
401 static bfd_boolean
write_debugging_info (bfd
*, void *, long *, asymbol
***);
402 static const char *lookup_sym_redefinition (const char *);
405 copy_usage (FILE *stream
, int exit_status
)
407 fprintf (stream
, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name
);
408 fprintf (stream
, _(" Copies a binary file, possibly transforming it in the process\n"));
409 fprintf (stream
, _(" The options are:\n"));
410 fprintf (stream
, _("\
411 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
412 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
413 -B --binary-architecture <arch> Set arch of output file, when input is binary\n\
414 -F --target <bfdname> Set both input and output format to <bfdname>\n\
415 --debugging Convert debugging information, if possible\n\
416 -p --preserve-dates Copy modified/access timestamps to the output\n\
417 -j --only-section <name> Only copy section <name> into the output\n\
418 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
419 -R --remove-section <name> Remove section <name> from the output\n\
420 -S --strip-all Remove all symbol and relocation information\n\
421 -g --strip-debug Remove all debugging symbols & sections\n\
422 --strip-unneeded Remove all symbols not needed by relocations\n\
423 -N --strip-symbol <name> Do not copy symbol <name>\n\
424 --strip-unneeded-symbol <name>\n\
425 Do not copy symbol <name> unless needed by\n\
427 --only-keep-debug Strip everything but the debug information\n\
428 -K --keep-symbol <name> Do not strip symbol <name>\n\
429 --keep-file-symbols Do not strip file symbol(s)\n\
430 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
431 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
432 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
433 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
434 --weaken Force all global symbols to be marked as weak\n\
435 -w --wildcard Permit wildcard in symbol comparison\n\
436 -x --discard-all Remove all non-global symbols\n\
437 -X --discard-locals Remove any compiler-generated symbols\n\
438 -i --interleave <number> Only copy one out of every <number> bytes\n\
439 -b --byte <num> Select byte <num> in every interleaved block\n\
440 --gap-fill <val> Fill gaps between sections with <val>\n\
441 --pad-to <addr> Pad the last section up to address <addr>\n\
442 --set-start <addr> Set the start address to <addr>\n\
443 {--change-start|--adjust-start} <incr>\n\
444 Add <incr> to the start address\n\
445 {--change-addresses|--adjust-vma} <incr>\n\
446 Add <incr> to LMA, VMA and start addresses\n\
447 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
448 Change LMA and VMA of section <name> by <val>\n\
449 --change-section-lma <name>{=|+|-}<val>\n\
450 Change the LMA of section <name> by <val>\n\
451 --change-section-vma <name>{=|+|-}<val>\n\
452 Change the VMA of section <name> by <val>\n\
453 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
454 Warn if a named section does not exist\n\
455 --set-section-flags <name>=<flags>\n\
456 Set section <name>'s properties to <flags>\n\
457 --add-section <name>=<file> Add section <name> found in <file> to output\n\
458 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
459 --change-leading-char Force output format's leading character style\n\
460 --remove-leading-char Remove leading character from global symbols\n\
461 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
462 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
464 --srec-len <number> Restrict the length of generated Srecords\n\
465 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
466 --strip-symbols <file> -N for all symbols listed in <file>\n\
467 --strip-unneeded-symbols <file>\n\
468 --strip-unneeded-symbol for all symbols listed\n\
470 --keep-symbols <file> -K for all symbols listed in <file>\n\
471 --localize-symbols <file> -L for all symbols listed in <file>\n\
472 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
473 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
474 --weaken-symbols <file> -W for all symbols listed in <file>\n\
475 --alt-machine-code <index> Use alternate machine code for output\n\
476 --writable-text Mark the output text as writable\n\
477 --readonly-text Make the output text write protected\n\
478 --pure Mark the output file as demand paged\n\
479 --impure Mark the output file as impure\n\
480 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
481 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
482 --prefix-alloc-sections <prefix>\n\
483 Add <prefix> to start of every allocatable\n\
485 -v --verbose List all object files modified\n\
486 @<file> Read options from <file>\n\
487 -V --version Display this program's version number\n\
488 -h --help Display this output\n\
489 --info List object formats & architectures supported\n\
491 list_supported_targets (program_name
, stream
);
492 if (exit_status
== 0)
493 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
498 strip_usage (FILE *stream
, int exit_status
)
500 fprintf (stream
, _("Usage: %s <option(s)> in-file(s)\n"), program_name
);
501 fprintf (stream
, _(" Removes symbols and sections from files\n"));
502 fprintf (stream
, _(" The options are:\n"));
503 fprintf (stream
, _("\
504 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
505 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
506 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
507 -p --preserve-dates Copy modified/access timestamps to the output\n\
508 -R --remove-section=<name> Remove section <name> from the output\n\
509 -s --strip-all Remove all symbol and relocation information\n\
510 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
511 --strip-unneeded Remove all symbols not needed by relocations\n\
512 --only-keep-debug Strip everything but the debug information\n\
513 -N --strip-symbol=<name> Do not copy symbol <name>\n\
514 -K --keep-symbol=<name> Do not strip symbol <name>\n\
515 --keep-file-symbols Do not strip file symbol(s)\n\
516 -w --wildcard Permit wildcard in symbol comparison\n\
517 -x --discard-all Remove all non-global symbols\n\
518 -X --discard-locals Remove any compiler-generated symbols\n\
519 -v --verbose List all object files modified\n\
520 -V --version Display this program's version number\n\
521 -h --help Display this output\n\
522 --info List object formats & architectures supported\n\
523 -o <file> Place stripped output into <file>\n\
526 list_supported_targets (program_name
, stream
);
527 if (exit_status
== 0)
528 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
532 /* Parse section flags into a flagword, with a fatal error if the
533 string can't be parsed. */
536 parse_flags (const char *s
)
546 snext
= strchr (s
, ',');
556 #define PARSE_FLAG(fname,fval) \
557 else if (strncasecmp (fname, s, len) == 0) ret |= fval
558 PARSE_FLAG ("alloc", SEC_ALLOC
);
559 PARSE_FLAG ("load", SEC_LOAD
);
560 PARSE_FLAG ("noload", SEC_NEVER_LOAD
);
561 PARSE_FLAG ("readonly", SEC_READONLY
);
562 PARSE_FLAG ("debug", SEC_DEBUGGING
);
563 PARSE_FLAG ("code", SEC_CODE
);
564 PARSE_FLAG ("data", SEC_DATA
);
565 PARSE_FLAG ("rom", SEC_ROM
);
566 PARSE_FLAG ("share", SEC_COFF_SHARED
);
567 PARSE_FLAG ("contents", SEC_HAS_CONTENTS
);
573 copy
= xmalloc (len
+ 1);
574 strncpy (copy
, s
, len
);
576 non_fatal (_("unrecognized section flag `%s'"), copy
);
577 fatal (_("supported flags: %s"),
578 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
588 /* Find and optionally add an entry in the change_sections list. */
590 static struct section_list
*
591 find_section_list (const char *name
, bfd_boolean add
)
593 struct section_list
*p
;
595 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
596 if (strcmp (p
->name
, name
) == 0)
602 p
= xmalloc (sizeof (struct section_list
));
607 p
->change_vma
= CHANGE_IGNORE
;
608 p
->change_lma
= CHANGE_IGNORE
;
611 p
->set_flags
= FALSE
;
614 p
->next
= change_sections
;
620 /* Add a symbol to strip_specific_list. */
623 add_specific_symbol (const char *name
, struct symlist
**list
)
625 struct symlist
*tmp_list
;
627 tmp_list
= xmalloc (sizeof (struct symlist
));
628 tmp_list
->name
= name
;
629 tmp_list
->next
= *list
;
633 /* Add symbols listed in `filename' to strip_specific_list. */
635 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
636 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
639 add_specific_symbols (const char *filename
, struct symlist
**list
)
645 unsigned int line_count
;
647 size
= get_file_size (filename
);
651 buffer
= xmalloc (size
+ 2);
652 f
= fopen (filename
, FOPEN_RT
);
654 fatal (_("cannot open '%s': %s"), filename
, strerror (errno
));
656 if (fread (buffer
, 1, size
, f
) == 0 || ferror (f
))
657 fatal (_("%s: fread failed"), filename
);
660 buffer
[size
] = '\n';
661 buffer
[size
+ 1] = '\0';
665 for (line
= buffer
; * line
!= '\0'; line
++)
670 int finished
= FALSE
;
672 for (eol
= line
;; eol
++)
678 /* Cope with \n\r. */
686 /* Cope with \r\n. */
697 /* Line comment, Terminate the line here, in case a
698 name is present and then allow the rest of the
699 loop to find the real end of the line. */
711 /* A name may now exist somewhere between 'line' and 'eol'.
712 Strip off leading whitespace and trailing whitespace,
713 then add it to the list. */
714 for (name
= line
; IS_WHITESPACE (* name
); name
++)
716 for (name_end
= name
;
717 (! IS_WHITESPACE (* name_end
))
718 && (! IS_LINE_TERMINATOR (* name_end
));
722 if (! IS_LINE_TERMINATOR (* name_end
))
726 for (extra
= name_end
+ 1; IS_WHITESPACE (* extra
); extra
++)
729 if (! IS_LINE_TERMINATOR (* extra
))
730 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
731 filename
, line_count
);
737 add_specific_symbol (name
, list
);
739 /* Advance line pointer to end of line. The 'eol ++' in the for
740 loop above will then advance us to the start of the next line. */
746 /* See whether a symbol should be stripped or kept based on
747 strip_specific_list and keep_symbols. */
750 is_specified_symbol (const char *name
, struct symlist
*list
)
752 struct symlist
*tmp_list
;
756 for (tmp_list
= list
; tmp_list
; tmp_list
= tmp_list
->next
)
757 if (*(tmp_list
->name
) != '!')
759 if (!fnmatch (tmp_list
->name
, name
, 0))
764 if (fnmatch (tmp_list
->name
+ 1, name
, 0))
770 for (tmp_list
= list
; tmp_list
; tmp_list
= tmp_list
->next
)
771 if (strcmp (name
, tmp_list
->name
) == 0)
778 /* See if a section is being removed. */
781 is_strip_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
783 if (sections_removed
|| sections_copied
)
785 struct section_list
*p
;
787 p
= find_section_list (bfd_get_section_name (abfd
, sec
), FALSE
);
789 if (sections_removed
&& p
!= NULL
&& p
->remove
)
791 if (sections_copied
&& (p
== NULL
|| ! p
->copy
))
795 if ((bfd_get_section_flags (abfd
, sec
) & SEC_DEBUGGING
) != 0)
797 if (strip_symbols
== STRIP_DEBUG
798 || strip_symbols
== STRIP_UNNEEDED
799 || strip_symbols
== STRIP_ALL
800 || discard_locals
== LOCALS_ALL
801 || convert_debugging
)
804 if (strip_symbols
== STRIP_NONDEBUG
)
811 /* Choose which symbol entries to copy; put the result in OSYMS.
812 We don't copy in place, because that confuses the relocs.
813 Return the number of symbols to print. */
816 filter_symbols (bfd
*abfd
, bfd
*obfd
, asymbol
**osyms
,
817 asymbol
**isyms
, long symcount
)
819 asymbol
**from
= isyms
, **to
= osyms
;
820 long src_count
= 0, dst_count
= 0;
821 int relocatable
= (abfd
->flags
& (HAS_RELOC
| EXEC_P
| DYNAMIC
))
824 for (; src_count
< symcount
; src_count
++)
826 asymbol
*sym
= from
[src_count
];
827 flagword flags
= sym
->flags
;
828 char *name
= (char *) bfd_asymbol_name (sym
);
830 bfd_boolean undefined
;
831 bfd_boolean rem_leading_char
;
832 bfd_boolean add_leading_char
;
834 undefined
= bfd_is_und_section (bfd_get_section (sym
));
836 if (redefine_sym_list
)
838 char *old_name
, *new_name
;
840 old_name
= (char *) bfd_asymbol_name (sym
);
841 new_name
= (char *) lookup_sym_redefinition (old_name
);
842 bfd_asymbol_name (sym
) = new_name
;
846 /* Check if we will remove the current leading character. */
848 (name
[0] == bfd_get_symbol_leading_char (abfd
))
849 && (change_leading_char
850 || (remove_leading_char
851 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
853 || bfd_is_com_section (bfd_get_section (sym
)))));
855 /* Check if we will add a new leading character. */
858 && (bfd_get_symbol_leading_char (obfd
) != '\0')
859 && (bfd_get_symbol_leading_char (abfd
) == '\0'
860 || (name
[0] == bfd_get_symbol_leading_char (abfd
)));
862 /* Short circuit for change_leading_char if we can do it in-place. */
863 if (rem_leading_char
&& add_leading_char
&& !prefix_symbols_string
)
865 name
[0] = bfd_get_symbol_leading_char (obfd
);
866 bfd_asymbol_name (sym
) = name
;
867 rem_leading_char
= FALSE
;
868 add_leading_char
= FALSE
;
871 /* Remove leading char. */
872 if (rem_leading_char
)
873 bfd_asymbol_name (sym
) = ++name
;
875 /* Add new leading char and/or prefix. */
876 if (add_leading_char
|| prefix_symbols_string
)
880 ptr
= n
= xmalloc (1 + strlen (prefix_symbols_string
)
881 + strlen (name
) + 1);
882 if (add_leading_char
)
883 *ptr
++ = bfd_get_symbol_leading_char (obfd
);
885 if (prefix_symbols_string
)
887 strcpy (ptr
, prefix_symbols_string
);
888 ptr
+= strlen (prefix_symbols_string
);
892 bfd_asymbol_name (sym
) = n
;
896 if (strip_symbols
== STRIP_ALL
)
898 else if ((flags
& BSF_KEEP
) != 0 /* Used in relocation. */
899 || ((flags
& BSF_SECTION_SYM
) != 0
900 && ((*bfd_get_section (sym
)->symbol_ptr_ptr
)->flags
903 else if (relocatable
/* Relocatable file. */
904 && (flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0)
906 else if (bfd_decode_symclass (sym
) == 'I')
907 /* Global symbols in $idata sections need to be retained
908 even if relocatable is FALSE. External users of the
909 library containing the $idata section may reference these
912 else if ((flags
& BSF_GLOBAL
) != 0 /* Global symbol. */
913 || (flags
& BSF_WEAK
) != 0
915 || bfd_is_com_section (bfd_get_section (sym
)))
916 keep
= strip_symbols
!= STRIP_UNNEEDED
;
917 else if ((flags
& BSF_DEBUGGING
) != 0) /* Debugging symbol. */
918 keep
= (strip_symbols
!= STRIP_DEBUG
919 && strip_symbols
!= STRIP_UNNEEDED
920 && ! convert_debugging
);
921 else if (bfd_coff_get_comdat_section (abfd
, bfd_get_section (sym
)))
922 /* COMDAT sections store special information in local
923 symbols, so we cannot risk stripping any of them. */
925 else /* Local symbol. */
926 keep
= (strip_symbols
!= STRIP_UNNEEDED
927 && (discard_locals
!= LOCALS_ALL
928 && (discard_locals
!= LOCALS_START_L
929 || ! bfd_is_local_label (abfd
, sym
))));
931 if (keep
&& is_specified_symbol (name
, strip_specific_list
))
934 && !(flags
& BSF_KEEP
)
935 && is_specified_symbol (name
, strip_unneeded_list
))
938 && ((keep_file_symbols
&& (flags
& BSF_FILE
))
939 || is_specified_symbol (name
, keep_specific_list
)))
941 if (keep
&& is_strip_section (abfd
, bfd_get_section (sym
)))
946 if ((flags
& BSF_GLOBAL
) != 0
947 && (weaken
|| is_specified_symbol (name
, weaken_specific_list
)))
949 sym
->flags
&= ~ BSF_GLOBAL
;
950 sym
->flags
|= BSF_WEAK
;
954 && (flags
& (BSF_GLOBAL
| BSF_WEAK
))
955 && (is_specified_symbol (name
, localize_specific_list
)
956 || (keepglobal_specific_list
!= NULL
957 && ! is_specified_symbol (name
, keepglobal_specific_list
))))
959 sym
->flags
&= ~ (BSF_GLOBAL
| BSF_WEAK
);
960 sym
->flags
|= BSF_LOCAL
;
964 && (flags
& BSF_LOCAL
)
965 && is_specified_symbol (name
, globalize_specific_list
))
967 sym
->flags
&= ~ BSF_LOCAL
;
968 sym
->flags
|= BSF_GLOBAL
;
971 to
[dst_count
++] = sym
;
975 to
[dst_count
] = NULL
;
980 /* Find the redefined name of symbol SOURCE. */
983 lookup_sym_redefinition (const char *source
)
985 struct redefine_node
*list
;
987 for (list
= redefine_sym_list
; list
!= NULL
; list
= list
->next
)
988 if (strcmp (source
, list
->source
) == 0)
994 /* Add a node to a symbol redefine list. */
997 redefine_list_append (const char *cause
, const char *source
, const char *target
)
999 struct redefine_node
**p
;
1000 struct redefine_node
*list
;
1001 struct redefine_node
*new_node
;
1003 for (p
= &redefine_sym_list
; (list
= *p
) != NULL
; p
= &list
->next
)
1005 if (strcmp (source
, list
->source
) == 0)
1006 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
1009 if (strcmp (target
, list
->target
) == 0)
1010 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1014 new_node
= xmalloc (sizeof (struct redefine_node
));
1016 new_node
->source
= strdup (source
);
1017 new_node
->target
= strdup (target
);
1018 new_node
->next
= NULL
;
1023 /* Handle the --redefine-syms option. Read lines containing "old new"
1024 from the file, and add them to the symbol redefine list. */
1027 add_redefine_syms_file (const char *filename
)
1036 file
= fopen (filename
, "r");
1038 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1039 filename
, strerror (errno
));
1042 buf
= xmalloc (bufsize
);
1050 /* Collect the input symbol name. */
1051 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1059 buf
= xrealloc (buf
, bufsize
);
1067 /* Eat white space between the symbol names. */
1068 while (IS_WHITESPACE (c
))
1070 if (c
== '#' || IS_LINE_TERMINATOR (c
))
1075 /* Collect the output symbol name. */
1077 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1085 buf
= xrealloc (buf
, bufsize
);
1093 /* Eat white space at end of line. */
1094 while (! IS_LINE_TERMINATOR(c
) && c
!= EOF
&& IS_WHITESPACE (c
))
1099 if ((c
== '\r' && (c
= getc (file
)) == '\n')
1100 || c
== '\n' || c
== EOF
)
1103 /* Append the redefinition to the list. */
1105 redefine_list_append (filename
, &buf
[0], &buf
[outsym_off
]);
1116 fatal (_("%s:%d: garbage found at end of line"), filename
, lineno
);
1118 if (len
!= 0 && (outsym_off
== 0 || outsym_off
== len
))
1119 fatal (_("%s:%d: missing new symbol name"), filename
, lineno
);
1122 /* Eat the rest of the line and finish it. */
1123 while (c
!= '\n' && c
!= EOF
)
1129 fatal (_("%s:%d: premature end of file"), filename
, lineno
);
1134 /* Copy unkown object file IBFD onto OBFD.
1135 Returns TRUE upon success, FALSE otherwise. */
1138 copy_unknown_object (bfd
*ibfd
, bfd
*obfd
)
1146 if (bfd_stat_arch_elt (ibfd
, &buf
) != 0)
1148 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1155 non_fatal (_("stat returns negative size for `%s'"),
1156 bfd_get_archive_filename (ibfd
));
1160 if (bfd_seek (ibfd
, (file_ptr
) 0, SEEK_SET
) != 0)
1162 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1167 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1168 bfd_get_archive_filename (ibfd
), bfd_get_filename (obfd
));
1170 cbuf
= xmalloc (BUFSIZE
);
1172 while (ncopied
< size
)
1174 tocopy
= size
- ncopied
;
1175 if (tocopy
> BUFSIZE
)
1178 if (bfd_bread (cbuf
, (bfd_size_type
) tocopy
, ibfd
)
1179 != (bfd_size_type
) tocopy
)
1181 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1186 if (bfd_bwrite (cbuf
, (bfd_size_type
) tocopy
, obfd
)
1187 != (bfd_size_type
) tocopy
)
1189 bfd_nonfatal (bfd_get_filename (obfd
));
1197 chmod (bfd_get_filename (obfd
), buf
.st_mode
);
1202 /* Copy object file IBFD onto OBFD.
1203 Returns TRUE upon success, FALSE otherwise. */
1206 copy_object (bfd
*ibfd
, bfd
*obfd
)
1210 asection
**osections
= NULL
;
1211 asection
*gnu_debuglink_section
= NULL
;
1212 bfd_size_type
*gaps
= NULL
;
1213 bfd_size_type max_gap
= 0;
1216 enum bfd_architecture iarch
;
1219 if (ibfd
->xvec
->byteorder
!= obfd
->xvec
->byteorder
1220 && ibfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
1221 && obfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
)
1222 fatal (_("Unable to change endianness of input file(s)"));
1224 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1226 bfd_nonfatal (bfd_get_filename (obfd
));
1231 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1232 bfd_get_archive_filename (ibfd
), bfd_get_target (ibfd
),
1233 bfd_get_filename (obfd
), bfd_get_target (obfd
));
1238 start
= bfd_get_start_address (ibfd
);
1239 start
+= change_start
;
1241 /* Neither the start address nor the flags
1242 need to be set for a core file. */
1243 if (bfd_get_format (obfd
) != bfd_core
)
1247 flags
= bfd_get_file_flags (ibfd
);
1248 flags
|= bfd_flags_to_set
;
1249 flags
&= ~bfd_flags_to_clear
;
1250 flags
&= bfd_applicable_file_flags (obfd
);
1252 if (!bfd_set_start_address (obfd
, start
)
1253 || !bfd_set_file_flags (obfd
, flags
))
1255 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1260 /* Copy architecture of input file to output file. */
1261 iarch
= bfd_get_arch (ibfd
);
1262 imach
= bfd_get_mach (ibfd
);
1263 if (!bfd_set_arch_mach (obfd
, iarch
, imach
)
1264 && (ibfd
->target_defaulted
1265 || bfd_get_arch (ibfd
) != bfd_get_arch (obfd
)))
1267 if (bfd_get_arch (ibfd
) == bfd_arch_unknown
)
1268 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1269 bfd_get_archive_filename (ibfd
));
1271 non_fatal (_("Warning: Output file cannot represent architecture `%s'"),
1272 bfd_printable_arch_mach (bfd_get_arch (ibfd
),
1273 bfd_get_mach (ibfd
)));
1277 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1279 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1286 if (osympp
!= isympp
)
1292 /* BFD mandates that all output sections be created and sizes set before
1293 any output is done. Thus, we traverse all sections multiple times. */
1294 bfd_map_over_sections (ibfd
, setup_section
, obfd
);
1296 setup_bfd_headers (ibfd
, obfd
);
1298 if (add_sections
!= NULL
)
1300 struct section_add
*padd
;
1301 struct section_list
*pset
;
1303 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1307 pset
= find_section_list (padd
->name
, FALSE
);
1311 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DATA
;
1312 if (pset
!= NULL
&& pset
->set_flags
)
1313 flags
= pset
->flags
| SEC_HAS_CONTENTS
;
1315 padd
->section
= bfd_make_section_with_flags (obfd
, padd
->name
, flags
);
1316 if (padd
->section
== NULL
)
1318 non_fatal (_("can't create section `%s': %s"),
1319 padd
->name
, bfd_errmsg (bfd_get_error ()));
1323 if (! bfd_set_section_size (obfd
, padd
->section
, padd
->size
))
1325 bfd_nonfatal (bfd_get_filename (obfd
));
1331 if (pset
->change_vma
!= CHANGE_IGNORE
)
1332 if (! bfd_set_section_vma (obfd
, padd
->section
,
1335 bfd_nonfatal (bfd_get_filename (obfd
));
1339 if (pset
->change_lma
!= CHANGE_IGNORE
)
1341 padd
->section
->lma
= pset
->lma_val
;
1343 if (! bfd_set_section_alignment
1344 (obfd
, padd
->section
,
1345 bfd_section_alignment (obfd
, padd
->section
)))
1347 bfd_nonfatal (bfd_get_filename (obfd
));
1355 if (gnu_debuglink_filename
!= NULL
)
1357 gnu_debuglink_section
= bfd_create_gnu_debuglink_section
1358 (obfd
, gnu_debuglink_filename
);
1360 if (gnu_debuglink_section
== NULL
)
1362 bfd_nonfatal (gnu_debuglink_filename
);
1367 if (bfd_count_sections (obfd
) == 0)
1369 non_fatal (_("there are no sections to be copied!"));
1373 if (gap_fill_set
|| pad_to_set
)
1378 /* We must fill in gaps between the sections and/or we must pad
1379 the last section to a specified address. We do this by
1380 grabbing a list of the sections, sorting them by VMA, and
1381 increasing the section sizes as required to fill the gaps.
1382 We write out the gap contents below. */
1384 c
= bfd_count_sections (obfd
);
1385 osections
= xmalloc (c
* sizeof (asection
*));
1387 bfd_map_over_sections (obfd
, get_sections
, &set
);
1389 qsort (osections
, c
, sizeof (asection
*), compare_section_lma
);
1391 gaps
= xmalloc (c
* sizeof (bfd_size_type
));
1392 memset (gaps
, 0, c
* sizeof (bfd_size_type
));
1396 for (i
= 0; i
< c
- 1; i
++)
1400 bfd_vma gap_start
, gap_stop
;
1402 flags
= bfd_get_section_flags (obfd
, osections
[i
]);
1403 if ((flags
& SEC_HAS_CONTENTS
) == 0
1404 || (flags
& SEC_LOAD
) == 0)
1407 size
= bfd_section_size (obfd
, osections
[i
]);
1408 gap_start
= bfd_section_lma (obfd
, osections
[i
]) + size
;
1409 gap_stop
= bfd_section_lma (obfd
, osections
[i
+ 1]);
1410 if (gap_start
< gap_stop
)
1412 if (! bfd_set_section_size (obfd
, osections
[i
],
1413 size
+ (gap_stop
- gap_start
)))
1415 non_fatal (_("Can't fill gap after %s: %s"),
1416 bfd_get_section_name (obfd
, osections
[i
]),
1417 bfd_errmsg (bfd_get_error ()));
1421 gaps
[i
] = gap_stop
- gap_start
;
1422 if (max_gap
< gap_stop
- gap_start
)
1423 max_gap
= gap_stop
- gap_start
;
1433 lma
= bfd_section_lma (obfd
, osections
[c
- 1]);
1434 size
= bfd_section_size (obfd
, osections
[c
- 1]);
1435 if (lma
+ size
< pad_to
)
1437 if (! bfd_set_section_size (obfd
, osections
[c
- 1],
1440 non_fatal (_("Can't add padding to %s: %s"),
1441 bfd_get_section_name (obfd
, osections
[c
- 1]),
1442 bfd_errmsg (bfd_get_error ()));
1447 gaps
[c
- 1] = pad_to
- (lma
+ size
);
1448 if (max_gap
< pad_to
- (lma
+ size
))
1449 max_gap
= pad_to
- (lma
+ size
);
1455 /* Symbol filtering must happen after the output sections
1456 have been created, but before their contents are set. */
1458 symsize
= bfd_get_symtab_upper_bound (ibfd
);
1461 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1465 osympp
= isympp
= xmalloc (symsize
);
1466 symcount
= bfd_canonicalize_symtab (ibfd
, isympp
);
1469 bfd_nonfatal (bfd_get_filename (ibfd
));
1473 if (convert_debugging
)
1474 dhandle
= read_debugging_info (ibfd
, isympp
, symcount
);
1476 if (strip_symbols
== STRIP_DEBUG
1477 || strip_symbols
== STRIP_ALL
1478 || strip_symbols
== STRIP_UNNEEDED
1479 || strip_symbols
== STRIP_NONDEBUG
1480 || discard_locals
!= LOCALS_UNDEF
1481 || strip_specific_list
!= NULL
1482 || keep_specific_list
!= NULL
1483 || localize_specific_list
!= NULL
1484 || globalize_specific_list
!= NULL
1485 || keepglobal_specific_list
!= NULL
1486 || weaken_specific_list
!= NULL
1487 || prefix_symbols_string
1490 || convert_debugging
1491 || change_leading_char
1492 || remove_leading_char
1493 || redefine_sym_list
1496 /* Mark symbols used in output relocations so that they
1497 are kept, even if they are local labels or static symbols.
1499 Note we iterate over the input sections examining their
1500 relocations since the relocations for the output sections
1501 haven't been set yet. mark_symbols_used_in_relocations will
1502 ignore input sections which have no corresponding output
1504 if (strip_symbols
!= STRIP_ALL
)
1505 bfd_map_over_sections (ibfd
,
1506 mark_symbols_used_in_relocations
,
1508 osympp
= xmalloc ((symcount
+ 1) * sizeof (asymbol
*));
1509 symcount
= filter_symbols (ibfd
, obfd
, osympp
, isympp
, symcount
);
1512 if (convert_debugging
&& dhandle
!= NULL
)
1514 if (! write_debugging_info (obfd
, dhandle
, &symcount
, &osympp
))
1521 bfd_set_symtab (obfd
, osympp
, symcount
);
1523 /* This has to happen after the symbol table has been set. */
1524 bfd_map_over_sections (ibfd
, copy_section
, obfd
);
1526 if (add_sections
!= NULL
)
1528 struct section_add
*padd
;
1530 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1532 if (! bfd_set_section_contents (obfd
, padd
->section
, padd
->contents
,
1535 bfd_nonfatal (bfd_get_filename (obfd
));
1541 if (gnu_debuglink_filename
!= NULL
)
1543 if (! bfd_fill_in_gnu_debuglink_section
1544 (obfd
, gnu_debuglink_section
, gnu_debuglink_filename
))
1546 bfd_nonfatal (gnu_debuglink_filename
);
1551 if (gap_fill_set
|| pad_to_set
)
1556 /* Fill in the gaps. */
1559 buf
= xmalloc (max_gap
);
1560 memset (buf
, gap_fill
, max_gap
);
1562 c
= bfd_count_sections (obfd
);
1563 for (i
= 0; i
< c
; i
++)
1571 off
= bfd_section_size (obfd
, osections
[i
]) - left
;
1582 if (! bfd_set_section_contents (obfd
, osections
[i
], buf
,
1585 bfd_nonfatal (bfd_get_filename (obfd
));
1596 /* Allow the BFD backend to copy any private data it understands
1597 from the input BFD to the output BFD. This is done last to
1598 permit the routine to look at the filtered symbol table, which is
1599 important for the ECOFF code at least. */
1600 if (bfd_get_flavour (ibfd
) == bfd_target_elf_flavour
1601 && strip_symbols
== STRIP_NONDEBUG
)
1602 /* Do not copy the private data when creating an ELF format
1603 debug info file. We do not want the program headers. */
1605 else if (! bfd_copy_private_bfd_data (ibfd
, obfd
))
1607 non_fatal (_("%s: error copying private BFD data: %s"),
1608 bfd_get_filename (obfd
),
1609 bfd_errmsg (bfd_get_error ()));
1613 /* Switch to the alternate machine code. We have to do this at the
1614 very end, because we only initialize the header when we create
1615 the first section. */
1616 if (use_alt_mach_code
!= 0
1617 && ! bfd_alt_mach_code (obfd
, use_alt_mach_code
))
1618 non_fatal (_("unknown alternate machine code, ignored"));
1624 #if defined (_WIN32) && !defined (__CYGWIN32__)
1625 #define MKDIR(DIR, MODE) mkdir (DIR)
1627 #define MKDIR(DIR, MODE) mkdir (DIR, MODE)
1630 /* Read each archive element in turn from IBFD, copy the
1631 contents to temp file, and keep the temp file handle. */
1634 copy_archive (bfd
*ibfd
, bfd
*obfd
, const char *output_target
)
1638 struct name_list
*next
;
1642 bfd
**ptr
= &obfd
->archive_head
;
1644 char *dir
= make_tempname (bfd_get_filename (obfd
));
1646 /* Make a temp directory to hold the contents. */
1647 if (MKDIR (dir
, 0700) != 0)
1648 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1649 dir
, strerror (errno
));
1651 obfd
->has_armap
= ibfd
->has_armap
;
1655 this_element
= bfd_openr_next_archived_file (ibfd
, NULL
);
1657 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1658 RETURN_NONFATAL (bfd_get_filename (obfd
));
1660 while (!status
&& this_element
!= NULL
)
1666 int stat_status
= 0;
1667 bfd_boolean
delete = TRUE
;
1669 /* Create an output file for this member. */
1670 output_name
= concat (dir
, "/",
1671 bfd_get_filename (this_element
), (char *) 0);
1673 /* If the file already exists, make another temp dir. */
1674 if (stat (output_name
, &buf
) >= 0)
1676 output_name
= make_tempname (output_name
);
1677 if (MKDIR (output_name
, 0700) != 0)
1678 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1679 output_name
, strerror (errno
));
1681 l
= xmalloc (sizeof (struct name_list
));
1682 l
->name
= output_name
;
1686 output_name
= concat (output_name
, "/",
1687 bfd_get_filename (this_element
), (char *) 0);
1690 output_bfd
= bfd_openw (output_name
, output_target
);
1693 stat_status
= bfd_stat_arch_elt (this_element
, &buf
);
1695 if (stat_status
!= 0)
1696 non_fatal (_("internal stat error on %s"),
1697 bfd_get_filename (this_element
));
1700 l
= xmalloc (sizeof (struct name_list
));
1701 l
->name
= output_name
;
1706 if (output_bfd
== NULL
)
1707 RETURN_NONFATAL (output_name
);
1709 if (bfd_check_format (this_element
, bfd_object
))
1711 delete = ! copy_object (this_element
, output_bfd
);
1714 || bfd_get_arch (this_element
) != bfd_arch_unknown
)
1716 if (!bfd_close (output_bfd
))
1718 bfd_nonfatal (bfd_get_filename (output_bfd
));
1719 /* Error in new object file. Don't change archive. */
1724 goto copy_unknown_element
;
1728 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1729 bfd_get_archive_filename (this_element
));
1731 copy_unknown_element
:
1732 delete = !copy_unknown_object (this_element
, output_bfd
);
1733 if (!bfd_close_all_done (output_bfd
))
1735 bfd_nonfatal (bfd_get_filename (output_bfd
));
1736 /* Error in new object file. Don't change archive. */
1743 unlink (output_name
);
1748 if (preserve_dates
&& stat_status
== 0)
1749 set_times (output_name
, &buf
);
1751 /* Open the newly output file and attach to our list. */
1752 output_bfd
= bfd_openr (output_name
, output_target
);
1754 l
->obfd
= output_bfd
;
1757 ptr
= &output_bfd
->next
;
1759 last_element
= this_element
;
1761 this_element
= bfd_openr_next_archived_file (ibfd
, last_element
);
1763 bfd_close (last_element
);
1768 if (!bfd_close (obfd
))
1769 RETURN_NONFATAL (bfd_get_filename (obfd
));
1771 if (!bfd_close (ibfd
))
1772 RETURN_NONFATAL (bfd_get_filename (ibfd
));
1774 /* Delete all the files that we opened. */
1775 for (l
= list
; l
!= NULL
; l
= l
->next
)
1777 if (l
->obfd
== NULL
)
1781 bfd_close (l
->obfd
);
1788 /* The top-level control. */
1791 copy_file (const char *input_filename
, const char *output_filename
,
1792 const char *input_target
, const char *output_target
)
1795 char **obj_matching
;
1796 char **core_matching
;
1798 if (get_file_size (input_filename
) < 1)
1800 non_fatal (_("error: the input file '%s' is empty"), input_filename
);
1805 /* To allow us to do "strip *" without dying on the first
1806 non-object file, failures are nonfatal. */
1807 ibfd
= bfd_openr (input_filename
, input_target
);
1809 RETURN_NONFATAL (input_filename
);
1811 if (bfd_check_format (ibfd
, bfd_archive
))
1815 /* bfd_get_target does not return the correct value until
1816 bfd_check_format succeeds. */
1817 if (output_target
== NULL
)
1818 output_target
= bfd_get_target (ibfd
);
1820 obfd
= bfd_openw (output_filename
, output_target
);
1822 RETURN_NONFATAL (output_filename
);
1824 copy_archive (ibfd
, obfd
, output_target
);
1826 else if (bfd_check_format_matches (ibfd
, bfd_object
, &obj_matching
))
1831 /* bfd_get_target does not return the correct value until
1832 bfd_check_format succeeds. */
1833 if (output_target
== NULL
)
1834 output_target
= bfd_get_target (ibfd
);
1836 obfd
= bfd_openw (output_filename
, output_target
);
1838 RETURN_NONFATAL (output_filename
);
1840 if (! copy_object (ibfd
, obfd
))
1843 if (!bfd_close (obfd
))
1844 RETURN_NONFATAL (output_filename
);
1846 if (!bfd_close (ibfd
))
1847 RETURN_NONFATAL (input_filename
);
1852 bfd_error_type obj_error
= bfd_get_error ();
1853 bfd_error_type core_error
;
1855 if (bfd_check_format_matches (ibfd
, bfd_core
, &core_matching
))
1857 /* This probably can't happen.. */
1858 if (obj_error
== bfd_error_file_ambiguously_recognized
)
1859 free (obj_matching
);
1863 core_error
= bfd_get_error ();
1864 /* Report the object error in preference to the core error. */
1865 if (obj_error
!= core_error
)
1866 bfd_set_error (obj_error
);
1868 bfd_nonfatal (input_filename
);
1870 if (obj_error
== bfd_error_file_ambiguously_recognized
)
1872 list_matching_formats (obj_matching
);
1873 free (obj_matching
);
1875 if (core_error
== bfd_error_file_ambiguously_recognized
)
1877 list_matching_formats (core_matching
);
1878 free (core_matching
);
1885 /* Add a name to the section renaming list. */
1888 add_section_rename (const char * old_name
, const char * new_name
,
1891 section_rename
* rename
;
1893 /* Check for conflicts first. */
1894 for (rename
= section_rename_list
; rename
!= NULL
; rename
= rename
->next
)
1895 if (strcmp (rename
->old_name
, old_name
) == 0)
1897 /* Silently ignore duplicate definitions. */
1898 if (strcmp (rename
->new_name
, new_name
) == 0
1899 && rename
->flags
== flags
)
1902 fatal (_("Multiple renames of section %s"), old_name
);
1905 rename
= xmalloc (sizeof (* rename
));
1907 rename
->old_name
= old_name
;
1908 rename
->new_name
= new_name
;
1909 rename
->flags
= flags
;
1910 rename
->next
= section_rename_list
;
1912 section_rename_list
= rename
;
1915 /* Check the section rename list for a new name of the input section
1916 ISECTION. Return the new name if one is found.
1917 Also set RETURNED_FLAGS to the flags to be used for this section. */
1920 find_section_rename (bfd
* ibfd ATTRIBUTE_UNUSED
, sec_ptr isection
,
1921 flagword
* returned_flags
)
1923 const char * old_name
= bfd_section_name (ibfd
, isection
);
1924 section_rename
* rename
;
1926 /* Default to using the flags of the input section. */
1927 * returned_flags
= bfd_get_section_flags (ibfd
, isection
);
1929 for (rename
= section_rename_list
; rename
!= NULL
; rename
= rename
->next
)
1930 if (strcmp (rename
->old_name
, old_name
) == 0)
1932 if (rename
->flags
!= (flagword
) -1)
1933 * returned_flags
= rename
->flags
;
1935 return rename
->new_name
;
1941 /* Once each of the sections is copied, we may still need to do some
1942 finalization work for private section headers. Do that here. */
1945 setup_bfd_headers (bfd
*ibfd
, bfd
*obfd
)
1949 /* Allow the BFD backend to copy any private data it understands
1950 from the input section to the output section. */
1951 if (! bfd_copy_private_header_data (ibfd
, obfd
))
1953 err
= _("private header data");
1957 /* All went well. */
1961 non_fatal (_("%s: error in %s: %s"),
1962 bfd_get_filename (ibfd
),
1963 err
, bfd_errmsg (bfd_get_error ()));
1967 /* Create a section in OBFD with the same
1968 name and attributes as ISECTION in IBFD. */
1971 setup_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
1973 bfd
*obfd
= obfdarg
;
1974 struct section_list
*p
;
1982 char *prefix
= NULL
;
1984 if (is_strip_section (ibfd
, isection
))
1987 p
= find_section_list (bfd_section_name (ibfd
, isection
), FALSE
);
1991 /* Get the, possibly new, name of the output section. */
1992 name
= find_section_rename (ibfd
, isection
, & flags
);
1994 /* Prefix sections. */
1995 if ((prefix_alloc_sections_string
)
1996 && (bfd_get_section_flags (ibfd
, isection
) & SEC_ALLOC
))
1997 prefix
= prefix_alloc_sections_string
;
1998 else if (prefix_sections_string
)
1999 prefix
= prefix_sections_string
;
2005 n
= xmalloc (strlen (prefix
) + strlen (name
) + 1);
2011 if (p
!= NULL
&& p
->set_flags
)
2012 flags
= p
->flags
| (flags
& (SEC_HAS_CONTENTS
| SEC_RELOC
));
2013 else if (strip_symbols
== STRIP_NONDEBUG
&& (flags
& SEC_ALLOC
) != 0)
2014 flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
);
2016 osection
= bfd_make_section_anyway_with_flags (obfd
, name
, flags
);
2018 if (osection
== NULL
)
2024 if (strip_symbols
== STRIP_NONDEBUG
2025 && obfd
->xvec
->flavour
== bfd_target_elf_flavour
2026 && (flags
& SEC_ALLOC
) != 0
2027 && (p
== NULL
|| !p
->set_flags
))
2028 elf_section_type (osection
) = SHT_NOBITS
;
2030 size
= bfd_section_size (ibfd
, isection
);
2032 size
= (size
+ interleave
- 1) / interleave
;
2033 if (! bfd_set_section_size (obfd
, osection
, size
))
2039 vma
= bfd_section_vma (ibfd
, isection
);
2040 if (p
!= NULL
&& p
->change_vma
== CHANGE_MODIFY
)
2042 else if (p
!= NULL
&& p
->change_vma
== CHANGE_SET
)
2045 vma
+= change_section_address
;
2047 if (! bfd_set_section_vma (obfd
, osection
, vma
))
2053 lma
= isection
->lma
;
2054 if ((p
!= NULL
) && p
->change_lma
!= CHANGE_IGNORE
)
2056 if (p
->change_lma
== CHANGE_MODIFY
)
2058 else if (p
->change_lma
== CHANGE_SET
)
2064 lma
+= change_section_address
;
2066 osection
->lma
= lma
;
2068 /* FIXME: This is probably not enough. If we change the LMA we
2069 may have to recompute the header for the file as well. */
2070 if (!bfd_set_section_alignment (obfd
,
2072 bfd_section_alignment (ibfd
, isection
)))
2074 err
= _("alignment");
2078 /* Copy merge entity size. */
2079 osection
->entsize
= isection
->entsize
;
2081 /* This used to be mangle_section; we do here to avoid using
2082 bfd_get_section_by_name since some formats allow multiple
2083 sections with the same name. */
2084 isection
->output_section
= osection
;
2085 isection
->output_offset
= 0;
2087 /* Allow the BFD backend to copy any private data it understands
2088 from the input section to the output section. */
2089 if (bfd_get_flavour (ibfd
) == bfd_target_elf_flavour
2090 && strip_symbols
== STRIP_NONDEBUG
)
2091 /* Do not copy the private data when creating an ELF format
2092 debug info file. We do not want the program headers. */
2094 else if (!bfd_copy_private_section_data (ibfd
, isection
, obfd
, osection
))
2096 err
= _("private data");
2100 /* All went well. */
2104 non_fatal (_("%s: section `%s': error in %s: %s"),
2105 bfd_get_filename (ibfd
),
2106 bfd_section_name (ibfd
, isection
),
2107 err
, bfd_errmsg (bfd_get_error ()));
2111 /* Copy the data of input section ISECTION of IBFD
2112 to an output section with the same name in OBFD.
2113 If stripping then don't copy any relocation info. */
2116 copy_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2118 bfd
*obfd
= obfdarg
;
2119 struct section_list
*p
;
2127 /* If we have already failed earlier on,
2128 do not keep on generating complaints now. */
2132 if (is_strip_section (ibfd
, isection
))
2135 flags
= bfd_get_section_flags (ibfd
, isection
);
2136 if ((flags
& SEC_GROUP
) != 0)
2139 osection
= isection
->output_section
;
2140 size
= bfd_get_section_size (isection
);
2142 if (size
== 0 || osection
== 0)
2145 p
= find_section_list (bfd_get_section_name (ibfd
, isection
), FALSE
);
2147 /* Core files do not need to be relocated. */
2148 if (bfd_get_format (obfd
) == bfd_core
)
2152 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2156 /* Do not complain if the target does not support relocations. */
2157 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2160 RETURN_NONFATAL (bfd_get_filename (ibfd
));
2165 bfd_set_reloc (obfd
, osection
, NULL
, 0);
2168 relpp
= xmalloc (relsize
);
2169 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, isympp
);
2171 RETURN_NONFATAL (bfd_get_filename (ibfd
));
2173 if (strip_symbols
== STRIP_ALL
)
2175 /* Remove relocations which are not in
2176 keep_strip_specific_list. */
2177 arelent
**temp_relpp
;
2178 long temp_relcount
= 0;
2181 temp_relpp
= xmalloc (relsize
);
2182 for (i
= 0; i
< relcount
; i
++)
2183 if (is_specified_symbol (bfd_asymbol_name (*relpp
[i
]->sym_ptr_ptr
),
2184 keep_specific_list
))
2185 temp_relpp
[temp_relcount
++] = relpp
[i
];
2186 relcount
= temp_relcount
;
2191 bfd_set_reloc (obfd
, osection
, relcount
== 0 ? NULL
: relpp
, relcount
);
2196 if (bfd_get_section_flags (ibfd
, isection
) & SEC_HAS_CONTENTS
2197 && bfd_get_section_flags (obfd
, osection
) & SEC_HAS_CONTENTS
)
2199 void *memhunk
= xmalloc (size
);
2201 if (!bfd_get_section_contents (ibfd
, isection
, memhunk
, 0, size
))
2202 RETURN_NONFATAL (bfd_get_filename (ibfd
));
2206 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2207 char *from
= (char *) memhunk
+ copy_byte
;
2209 char *end
= (char *) memhunk
+ size
;
2211 for (; from
< end
; from
+= interleave
)
2214 size
= (size
+ interleave
- 1 - copy_byte
) / interleave
;
2215 osection
->lma
/= interleave
;
2218 if (!bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2219 RETURN_NONFATAL (bfd_get_filename (obfd
));
2223 else if (p
!= NULL
&& p
->set_flags
&& (p
->flags
& SEC_HAS_CONTENTS
) != 0)
2225 void *memhunk
= xmalloc (size
);
2227 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2228 flag--they can just remove the section entirely and add it
2229 back again. However, we do permit them to turn on the
2230 SEC_HAS_CONTENTS flag, and take it to mean that the section
2231 contents should be zeroed out. */
2233 memset (memhunk
, 0, size
);
2234 if (! bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2235 RETURN_NONFATAL (bfd_get_filename (obfd
));
2240 /* Get all the sections. This is used when --gap-fill or --pad-to is
2244 get_sections (bfd
*obfd ATTRIBUTE_UNUSED
, asection
*osection
, void *secppparg
)
2246 asection
***secppp
= secppparg
;
2248 **secppp
= osection
;
2252 /* Sort sections by VMA. This is called via qsort, and is used when
2253 --gap-fill or --pad-to is used. We force non loadable or empty
2254 sections to the front, where they are easier to ignore. */
2257 compare_section_lma (const void *arg1
, const void *arg2
)
2259 const asection
*const *sec1
= arg1
;
2260 const asection
*const *sec2
= arg2
;
2261 flagword flags1
, flags2
;
2263 /* Sort non loadable sections to the front. */
2264 flags1
= (*sec1
)->flags
;
2265 flags2
= (*sec2
)->flags
;
2266 if ((flags1
& SEC_HAS_CONTENTS
) == 0
2267 || (flags1
& SEC_LOAD
) == 0)
2269 if ((flags2
& SEC_HAS_CONTENTS
) != 0
2270 && (flags2
& SEC_LOAD
) != 0)
2275 if ((flags2
& SEC_HAS_CONTENTS
) == 0
2276 || (flags2
& SEC_LOAD
) == 0)
2280 /* Sort sections by LMA. */
2281 if ((*sec1
)->lma
> (*sec2
)->lma
)
2283 else if ((*sec1
)->lma
< (*sec2
)->lma
)
2286 /* Sort sections with the same LMA by size. */
2287 if (bfd_get_section_size (*sec1
) > bfd_get_section_size (*sec2
))
2289 else if (bfd_get_section_size (*sec1
) < bfd_get_section_size (*sec2
))
2295 /* Mark all the symbols which will be used in output relocations with
2296 the BSF_KEEP flag so that those symbols will not be stripped.
2298 Ignore relocations which will not appear in the output file. */
2301 mark_symbols_used_in_relocations (bfd
*ibfd
, sec_ptr isection
, void *symbolsarg
)
2303 asymbol
**symbols
= symbolsarg
;
2308 /* Ignore an input section with no corresponding output section. */
2309 if (isection
->output_section
== NULL
)
2312 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2315 /* Do not complain if the target does not support relocations. */
2316 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2318 bfd_fatal (bfd_get_filename (ibfd
));
2324 relpp
= xmalloc (relsize
);
2325 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, symbols
);
2327 bfd_fatal (bfd_get_filename (ibfd
));
2329 /* Examine each symbol used in a relocation. If it's not one of the
2330 special bfd section symbols, then mark it with BSF_KEEP. */
2331 for (i
= 0; i
< relcount
; i
++)
2333 if (*relpp
[i
]->sym_ptr_ptr
!= bfd_com_section_ptr
->symbol
2334 && *relpp
[i
]->sym_ptr_ptr
!= bfd_abs_section_ptr
->symbol
2335 && *relpp
[i
]->sym_ptr_ptr
!= bfd_und_section_ptr
->symbol
)
2336 (*relpp
[i
]->sym_ptr_ptr
)->flags
|= BSF_KEEP
;
2343 /* Write out debugging information. */
2346 write_debugging_info (bfd
*obfd
, void *dhandle
,
2347 long *symcountp ATTRIBUTE_UNUSED
,
2348 asymbol
***symppp ATTRIBUTE_UNUSED
)
2350 if (bfd_get_flavour (obfd
) == bfd_target_ieee_flavour
)
2351 return write_ieee_debugging_info (obfd
, dhandle
);
2353 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
2354 || bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
2356 bfd_byte
*syms
, *strings
;
2357 bfd_size_type symsize
, stringsize
;
2358 asection
*stabsec
, *stabstrsec
;
2361 if (! write_stabs_in_sections_debugging_info (obfd
, dhandle
, &syms
,
2366 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DEBUGGING
;
2367 stabsec
= bfd_make_section_with_flags (obfd
, ".stab", flags
);
2368 stabstrsec
= bfd_make_section_with_flags (obfd
, ".stabstr", flags
);
2370 || stabstrsec
== NULL
2371 || ! bfd_set_section_size (obfd
, stabsec
, symsize
)
2372 || ! bfd_set_section_size (obfd
, stabstrsec
, stringsize
)
2373 || ! bfd_set_section_alignment (obfd
, stabsec
, 2)
2374 || ! bfd_set_section_alignment (obfd
, stabstrsec
, 0))
2376 non_fatal (_("%s: can't create debugging section: %s"),
2377 bfd_get_filename (obfd
),
2378 bfd_errmsg (bfd_get_error ()));
2382 /* We can get away with setting the section contents now because
2383 the next thing the caller is going to do is copy over the
2384 real sections. We may someday have to split the contents
2385 setting out of this function. */
2386 if (! bfd_set_section_contents (obfd
, stabsec
, syms
, 0, symsize
)
2387 || ! bfd_set_section_contents (obfd
, stabstrsec
, strings
, 0,
2390 non_fatal (_("%s: can't set debugging section contents: %s"),
2391 bfd_get_filename (obfd
),
2392 bfd_errmsg (bfd_get_error ()));
2399 non_fatal (_("%s: don't know how to write debugging information for %s"),
2400 bfd_get_filename (obfd
), bfd_get_target (obfd
));
2405 strip_main (int argc
, char *argv
[])
2407 char *input_target
= NULL
;
2408 char *output_target
= NULL
;
2409 bfd_boolean show_version
= FALSE
;
2410 bfd_boolean formats_info
= FALSE
;
2413 struct section_list
*p
;
2414 char *output_file
= NULL
;
2416 while ((c
= getopt_long (argc
, argv
, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
2417 strip_options
, (int *) 0)) != EOF
)
2422 input_target
= optarg
;
2425 output_target
= optarg
;
2428 input_target
= output_target
= optarg
;
2431 p
= find_section_list (optarg
, TRUE
);
2433 sections_removed
= TRUE
;
2436 strip_symbols
= STRIP_ALL
;
2440 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
2441 strip_symbols
= STRIP_DEBUG
;
2443 case OPTION_STRIP_UNNEEDED
:
2444 strip_symbols
= STRIP_UNNEEDED
;
2447 add_specific_symbol (optarg
, &keep_specific_list
);
2450 add_specific_symbol (optarg
, &strip_specific_list
);
2453 output_file
= optarg
;
2456 preserve_dates
= TRUE
;
2459 discard_locals
= LOCALS_ALL
;
2462 discard_locals
= LOCALS_START_L
;
2468 show_version
= TRUE
;
2470 case OPTION_FORMATS_INFO
:
2471 formats_info
= TRUE
;
2473 case OPTION_ONLY_KEEP_DEBUG
:
2474 strip_symbols
= STRIP_NONDEBUG
;
2476 case OPTION_KEEP_FILE_SYMBOLS
:
2477 keep_file_symbols
= 1;
2480 /* We've been given a long option. */
2487 strip_usage (stdout
, 0);
2489 strip_usage (stderr
, 1);
2500 print_version ("strip");
2502 /* Default is to strip all symbols. */
2503 if (strip_symbols
== STRIP_UNDEF
2504 && discard_locals
== LOCALS_UNDEF
2505 && strip_specific_list
== NULL
)
2506 strip_symbols
= STRIP_ALL
;
2508 if (output_target
== NULL
)
2509 output_target
= input_target
;
2513 || (output_file
!= NULL
&& (i
+ 1) < argc
))
2514 strip_usage (stderr
, 1);
2516 for (; i
< argc
; i
++)
2518 int hold_status
= status
;
2519 struct stat statbuf
;
2522 if (get_file_size (argv
[i
]) < 1)
2526 /* No need to check the return value of stat().
2527 It has already been checked in get_file_size(). */
2528 stat (argv
[i
], &statbuf
);
2530 if (output_file
!= NULL
)
2531 tmpname
= output_file
;
2533 tmpname
= make_tempname (argv
[i
]);
2536 copy_file (argv
[i
], tmpname
, input_target
, output_target
);
2540 set_times (tmpname
, &statbuf
);
2541 if (output_file
== NULL
)
2542 smart_rename (tmpname
, argv
[i
], preserve_dates
);
2543 status
= hold_status
;
2546 unlink_if_ordinary (tmpname
);
2547 if (output_file
== NULL
)
2555 copy_main (int argc
, char *argv
[])
2557 char * binary_architecture
= NULL
;
2558 char *input_filename
= NULL
;
2559 char *output_filename
= NULL
;
2560 char *input_target
= NULL
;
2561 char *output_target
= NULL
;
2562 bfd_boolean show_version
= FALSE
;
2563 bfd_boolean change_warn
= TRUE
;
2564 bfd_boolean formats_info
= FALSE
;
2566 struct section_list
*p
;
2567 struct stat statbuf
;
2569 while ((c
= getopt_long (argc
, argv
, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
2570 copy_options
, (int *) 0)) != EOF
)
2575 copy_byte
= atoi (optarg
);
2577 fatal (_("byte number must be non-negative"));
2581 binary_architecture
= optarg
;
2585 interleave
= atoi (optarg
);
2587 fatal (_("interleave must be positive"));
2591 case 's': /* "source" - 'I' is preferred */
2592 input_target
= optarg
;
2596 case 'd': /* "destination" - 'O' is preferred */
2597 output_target
= optarg
;
2601 input_target
= output_target
= optarg
;
2605 p
= find_section_list (optarg
, TRUE
);
2607 fatal (_("%s both copied and removed"), optarg
);
2609 sections_copied
= TRUE
;
2613 p
= find_section_list (optarg
, TRUE
);
2615 fatal (_("%s both copied and removed"), optarg
);
2617 sections_removed
= TRUE
;
2621 strip_symbols
= STRIP_ALL
;
2625 strip_symbols
= STRIP_DEBUG
;
2628 case OPTION_STRIP_UNNEEDED
:
2629 strip_symbols
= STRIP_UNNEEDED
;
2632 case OPTION_ONLY_KEEP_DEBUG
:
2633 strip_symbols
= STRIP_NONDEBUG
;
2636 case OPTION_KEEP_FILE_SYMBOLS
:
2637 keep_file_symbols
= 1;
2640 case OPTION_ADD_GNU_DEBUGLINK
:
2641 gnu_debuglink_filename
= optarg
;
2645 add_specific_symbol (optarg
, &keep_specific_list
);
2649 add_specific_symbol (optarg
, &strip_specific_list
);
2652 case OPTION_STRIP_UNNEEDED_SYMBOL
:
2653 add_specific_symbol (optarg
, &strip_unneeded_list
);
2657 add_specific_symbol (optarg
, &localize_specific_list
);
2660 case OPTION_GLOBALIZE_SYMBOL
:
2661 add_specific_symbol (optarg
, &globalize_specific_list
);
2665 add_specific_symbol (optarg
, &keepglobal_specific_list
);
2669 add_specific_symbol (optarg
, &weaken_specific_list
);
2673 preserve_dates
= TRUE
;
2681 discard_locals
= LOCALS_ALL
;
2685 discard_locals
= LOCALS_START_L
;
2693 show_version
= TRUE
;
2696 case OPTION_FORMATS_INFO
:
2697 formats_info
= TRUE
;
2704 case OPTION_ADD_SECTION
:
2708 struct section_add
*pa
;
2713 s
= strchr (optarg
, '=');
2716 fatal (_("bad format for %s"), "--add-section");
2718 size
= get_file_size (s
+ 1);
2722 pa
= xmalloc (sizeof (struct section_add
));
2725 name
= xmalloc (len
+ 1);
2726 strncpy (name
, optarg
, len
);
2730 pa
->filename
= s
+ 1;
2732 pa
->contents
= xmalloc (size
);
2734 f
= fopen (pa
->filename
, FOPEN_RB
);
2737 fatal (_("cannot open: %s: %s"),
2738 pa
->filename
, strerror (errno
));
2740 if (fread (pa
->contents
, 1, pa
->size
, f
) == 0
2742 fatal (_("%s: fread failed"), pa
->filename
);
2746 pa
->next
= add_sections
;
2751 case OPTION_CHANGE_START
:
2752 change_start
= parse_vma (optarg
, "--change-start");
2755 case OPTION_CHANGE_SECTION_ADDRESS
:
2756 case OPTION_CHANGE_SECTION_LMA
:
2757 case OPTION_CHANGE_SECTION_VMA
:
2762 char *option
= NULL
;
2764 enum change_action what
= CHANGE_IGNORE
;
2768 case OPTION_CHANGE_SECTION_ADDRESS
:
2769 option
= "--change-section-address";
2771 case OPTION_CHANGE_SECTION_LMA
:
2772 option
= "--change-section-lma";
2774 case OPTION_CHANGE_SECTION_VMA
:
2775 option
= "--change-section-vma";
2779 s
= strchr (optarg
, '=');
2782 s
= strchr (optarg
, '+');
2785 s
= strchr (optarg
, '-');
2787 fatal (_("bad format for %s"), option
);
2792 name
= xmalloc (len
+ 1);
2793 strncpy (name
, optarg
, len
);
2796 p
= find_section_list (name
, TRUE
);
2798 val
= parse_vma (s
+ 1, option
);
2802 case '=': what
= CHANGE_SET
; break;
2803 case '-': val
= - val
; /* Drop through. */
2804 case '+': what
= CHANGE_MODIFY
; break;
2809 case OPTION_CHANGE_SECTION_ADDRESS
:
2810 p
->change_vma
= what
;
2814 case OPTION_CHANGE_SECTION_LMA
:
2815 p
->change_lma
= what
;
2819 case OPTION_CHANGE_SECTION_VMA
:
2820 p
->change_vma
= what
;
2827 case OPTION_CHANGE_ADDRESSES
:
2828 change_section_address
= parse_vma (optarg
, "--change-addresses");
2829 change_start
= change_section_address
;
2832 case OPTION_CHANGE_WARNINGS
:
2836 case OPTION_CHANGE_LEADING_CHAR
:
2837 change_leading_char
= TRUE
;
2840 case OPTION_DEBUGGING
:
2841 convert_debugging
= TRUE
;
2844 case OPTION_GAP_FILL
:
2846 bfd_vma gap_fill_vma
;
2848 gap_fill_vma
= parse_vma (optarg
, "--gap-fill");
2849 gap_fill
= (bfd_byte
) gap_fill_vma
;
2850 if ((bfd_vma
) gap_fill
!= gap_fill_vma
)
2854 sprintf_vma (buff
, gap_fill_vma
);
2856 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
2859 gap_fill_set
= TRUE
;
2863 case OPTION_NO_CHANGE_WARNINGS
:
2864 change_warn
= FALSE
;
2868 pad_to
= parse_vma (optarg
, "--pad-to");
2872 case OPTION_REMOVE_LEADING_CHAR
:
2873 remove_leading_char
= TRUE
;
2876 case OPTION_REDEFINE_SYM
:
2878 /* Push this redefinition onto redefine_symbol_list. */
2882 const char *nextarg
;
2883 char *source
, *target
;
2885 s
= strchr (optarg
, '=');
2887 fatal (_("bad format for %s"), "--redefine-sym");
2890 source
= xmalloc (len
+ 1);
2891 strncpy (source
, optarg
, len
);
2895 len
= strlen (nextarg
);
2896 target
= xmalloc (len
+ 1);
2897 strcpy (target
, nextarg
);
2899 redefine_list_append ("--redefine-sym", source
, target
);
2906 case OPTION_REDEFINE_SYMS
:
2907 add_redefine_syms_file (optarg
);
2910 case OPTION_SET_SECTION_FLAGS
:
2916 s
= strchr (optarg
, '=');
2918 fatal (_("bad format for %s"), "--set-section-flags");
2921 name
= xmalloc (len
+ 1);
2922 strncpy (name
, optarg
, len
);
2925 p
= find_section_list (name
, TRUE
);
2927 p
->set_flags
= TRUE
;
2928 p
->flags
= parse_flags (s
+ 1);
2932 case OPTION_RENAME_SECTION
:
2935 const char *eq
, *fl
;
2940 eq
= strchr (optarg
, '=');
2942 fatal (_("bad format for %s"), "--rename-section");
2946 fatal (_("bad format for %s"), "--rename-section");
2948 old_name
= xmalloc (len
+ 1);
2949 strncpy (old_name
, optarg
, len
);
2953 fl
= strchr (eq
, ',');
2956 flags
= parse_flags (fl
+ 1);
2966 fatal (_("bad format for %s"), "--rename-section");
2968 new_name
= xmalloc (len
+ 1);
2969 strncpy (new_name
, eq
, len
);
2972 add_section_rename (old_name
, new_name
, flags
);
2976 case OPTION_SET_START
:
2977 set_start
= parse_vma (optarg
, "--set-start");
2978 set_start_set
= TRUE
;
2981 case OPTION_SREC_LEN
:
2982 Chunk
= parse_vma (optarg
, "--srec-len");
2985 case OPTION_SREC_FORCES3
:
2989 case OPTION_STRIP_SYMBOLS
:
2990 add_specific_symbols (optarg
, &strip_specific_list
);
2993 case OPTION_STRIP_UNNEEDED_SYMBOLS
:
2994 add_specific_symbols (optarg
, &strip_unneeded_list
);
2997 case OPTION_KEEP_SYMBOLS
:
2998 add_specific_symbols (optarg
, &keep_specific_list
);
3001 case OPTION_LOCALIZE_SYMBOLS
:
3002 add_specific_symbols (optarg
, &localize_specific_list
);
3005 case OPTION_GLOBALIZE_SYMBOLS
:
3006 add_specific_symbols (optarg
, &globalize_specific_list
);
3009 case OPTION_KEEPGLOBAL_SYMBOLS
:
3010 add_specific_symbols (optarg
, &keepglobal_specific_list
);
3013 case OPTION_WEAKEN_SYMBOLS
:
3014 add_specific_symbols (optarg
, &weaken_specific_list
);
3017 case OPTION_ALT_MACH_CODE
:
3018 use_alt_mach_code
= atoi (optarg
);
3019 if (use_alt_mach_code
<= 0)
3020 fatal (_("alternate machine code index must be positive"));
3023 case OPTION_PREFIX_SYMBOLS
:
3024 prefix_symbols_string
= optarg
;
3027 case OPTION_PREFIX_SECTIONS
:
3028 prefix_sections_string
= optarg
;
3031 case OPTION_PREFIX_ALLOC_SECTIONS
:
3032 prefix_alloc_sections_string
= optarg
;
3035 case OPTION_READONLY_TEXT
:
3036 bfd_flags_to_set
|= WP_TEXT
;
3037 bfd_flags_to_clear
&= ~WP_TEXT
;
3040 case OPTION_WRITABLE_TEXT
:
3041 bfd_flags_to_clear
|= WP_TEXT
;
3042 bfd_flags_to_set
&= ~WP_TEXT
;
3046 bfd_flags_to_set
|= D_PAGED
;
3047 bfd_flags_to_clear
&= ~D_PAGED
;
3051 bfd_flags_to_clear
|= D_PAGED
;
3052 bfd_flags_to_set
&= ~D_PAGED
;
3056 /* We've been given a long option. */
3061 copy_usage (stdout
, 0);
3064 copy_usage (stderr
, 1);
3075 print_version ("objcopy");
3077 if (copy_byte
>= interleave
)
3078 fatal (_("byte number must be less than interleave"));
3080 if (optind
== argc
|| optind
+ 2 < argc
)
3081 copy_usage (stderr
, 1);
3083 input_filename
= argv
[optind
];
3084 if (optind
+ 1 < argc
)
3085 output_filename
= argv
[optind
+ 1];
3087 /* Default is to strip no symbols. */
3088 if (strip_symbols
== STRIP_UNDEF
&& discard_locals
== LOCALS_UNDEF
)
3089 strip_symbols
= STRIP_NONE
;
3091 if (output_target
== NULL
)
3092 output_target
= input_target
;
3094 if (binary_architecture
!= NULL
)
3096 if (input_target
&& strcmp (input_target
, "binary") == 0)
3098 const bfd_arch_info_type
* temp_arch_info
;
3100 temp_arch_info
= bfd_scan_arch (binary_architecture
);
3102 if (temp_arch_info
!= NULL
)
3104 bfd_external_binary_architecture
= temp_arch_info
->arch
;
3105 bfd_external_machine
= temp_arch_info
->mach
;
3108 fatal (_("architecture %s unknown"), binary_architecture
);
3112 non_fatal (_("Warning: input target 'binary' required for binary architecture parameter."));
3113 non_fatal (_(" Argument %s ignored"), binary_architecture
);
3118 if (stat (input_filename
, & statbuf
) < 0)
3119 fatal (_("warning: could not locate '%s'. System error message: %s"),
3120 input_filename
, strerror (errno
));
3122 /* If there is no destination file, or the source and destination files
3123 are the same, then create a temp and rename the result into the input. */
3124 if (output_filename
== NULL
|| strcmp (input_filename
, output_filename
) == 0)
3126 char *tmpname
= make_tempname (input_filename
);
3128 copy_file (input_filename
, tmpname
, input_target
, output_target
);
3132 set_times (tmpname
, &statbuf
);
3133 smart_rename (tmpname
, input_filename
, preserve_dates
);
3140 copy_file (input_filename
, output_filename
, input_target
, output_target
);
3142 if (status
== 0 && preserve_dates
)
3143 set_times (output_filename
, &statbuf
);
3144 else if (status
!= 0)
3145 unlink_if_ordinary (output_filename
);
3150 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
3154 if (p
->change_vma
!= CHANGE_IGNORE
)
3158 sprintf_vma (buff
, p
->vma_val
);
3160 /* xgettext:c-format */
3161 non_fatal (_("%s %s%c0x%s never used"),
3162 "--change-section-vma",
3164 p
->change_vma
== CHANGE_SET
? '=' : '+',
3168 if (p
->change_lma
!= CHANGE_IGNORE
)
3172 sprintf_vma (buff
, p
->lma_val
);
3174 /* xgettext:c-format */
3175 non_fatal (_("%s %s%c0x%s never used"),
3176 "--change-section-lma",
3178 p
->change_lma
== CHANGE_SET
? '=' : '+',
3189 main (int argc
, char *argv
[])
3191 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3192 setlocale (LC_MESSAGES
, "");
3194 #if defined (HAVE_SETLOCALE)
3195 setlocale (LC_CTYPE
, "");
3197 bindtextdomain (PACKAGE
, LOCALEDIR
);
3198 textdomain (PACKAGE
);
3200 program_name
= argv
[0];
3201 xmalloc_set_program_name (program_name
);
3203 START_PROGRESS (program_name
, 0);
3205 expandargv (&argc
, &argv
);
3207 strip_symbols
= STRIP_UNDEF
;
3208 discard_locals
= LOCALS_UNDEF
;
3211 set_default_bfd_target ();
3215 int i
= strlen (program_name
);
3216 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
3217 /* Drop the .exe suffix, if any. */
3218 if (i
> 4 && FILENAME_CMP (program_name
+ i
- 4, ".exe") == 0)
3221 program_name
[i
] = '\0';
3224 is_strip
= (i
>= 5 && FILENAME_CMP (program_name
+ i
- 5, "strip") == 0);
3228 strip_main (argc
, argv
);
3230 copy_main (argc
, argv
);
3232 END_PROGRESS (program_name
);