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., 59 Temple Place - Suite 330, 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 /* Prefix symbols/sections. */
207 static char *prefix_symbols_string = 0;
208 static char *prefix_sections_string = 0;
209 static char *prefix_alloc_sections_string = 0;
211 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
212 enum command_line_switch
214 OPTION_ADD_SECTION=150,
215 OPTION_CHANGE_ADDRESSES,
216 OPTION_CHANGE_LEADING_CHAR,
218 OPTION_CHANGE_SECTION_ADDRESS,
219 OPTION_CHANGE_SECTION_LMA,
220 OPTION_CHANGE_SECTION_VMA,
221 OPTION_CHANGE_WARNINGS,
224 OPTION_NO_CHANGE_WARNINGS,
226 OPTION_REMOVE_LEADING_CHAR,
227 OPTION_SET_SECTION_FLAGS,
229 OPTION_STRIP_UNNEEDED,
232 OPTION_REDEFINE_SYMS,
235 OPTION_STRIP_SYMBOLS,
236 OPTION_STRIP_UNNEEDED_SYMBOL,
237 OPTION_STRIP_UNNEEDED_SYMBOLS,
239 OPTION_LOCALIZE_SYMBOLS,
240 OPTION_GLOBALIZE_SYMBOL,
241 OPTION_GLOBALIZE_SYMBOLS,
242 OPTION_KEEPGLOBAL_SYMBOLS,
243 OPTION_WEAKEN_SYMBOLS,
244 OPTION_RENAME_SECTION,
245 OPTION_ALT_MACH_CODE,
246 OPTION_PREFIX_SYMBOLS,
247 OPTION_PREFIX_SECTIONS,
248 OPTION_PREFIX_ALLOC_SECTIONS,
250 OPTION_ADD_GNU_DEBUGLINK,
251 OPTION_ONLY_KEEP_DEBUG,
252 OPTION_READONLY_TEXT,
253 OPTION_WRITABLE_TEXT,
258 /* Options to handle if running as "strip". */
260 static struct option strip_options[] =
262 {"discard-all", no_argument, 0, 'x'},
263 {"discard-locals", no_argument, 0, 'X'},
264 {"format", required_argument, 0, 'F'}, /* Obsolete */
265 {"help", no_argument, 0, 'h'},
266 {"info", no_argument, 0, OPTION_FORMATS_INFO},
267 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
268 {"input-target", required_argument, 0, 'I'},
269 {"keep-symbol", required_argument, 0, 'K'},
270 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
271 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
272 {"output-target", required_argument, 0, 'O'},
273 {"output-file", required_argument, 0, 'o'},
274 {"preserve-dates", no_argument, 0, 'p'},
275 {"remove-section", required_argument, 0, 'R'},
276 {"strip-all", no_argument, 0, 's'},
277 {"strip-debug", no_argument, 0, 'S'},
278 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
279 {"strip-symbol", required_argument, 0, 'N'},
280 {"target", required_argument, 0, 'F'},
281 {"verbose", no_argument, 0, 'v'},
282 {"version", no_argument, 0, 'V'},
283 {"wildcard", no_argument, 0, 'w'},
284 {0, no_argument, 0, 0}
287 /* Options to handle if running as "objcopy". */
289 static struct option copy_options[] =
291 {"add-gnu-debuglink", required_argument, 0, OPTION_ADD_GNU_DEBUGLINK},
292 {"add-section", required_argument, 0, OPTION_ADD_SECTION},
293 {"adjust-start", required_argument, 0, OPTION_CHANGE_START},
294 {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES},
295 {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
296 {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
297 {"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE},
298 {"binary-architecture", required_argument, 0, 'B'},
299 {"byte", required_argument, 0, 'b'},
300 {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES},
301 {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR},
302 {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
303 {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA},
304 {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA},
305 {"change-start", required_argument, 0, OPTION_CHANGE_START},
306 {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
307 {"debugging", no_argument, 0, OPTION_DEBUGGING},
308 {"discard-all", no_argument, 0, 'x'},
309 {"discard-locals", no_argument, 0, 'X'},
310 {"format", required_argument, 0, 'F'}, /* Obsolete */
311 {"gap-fill", required_argument, 0, OPTION_GAP_FILL},
312 {"globalize-symbol", required_argument, 0, OPTION_GLOBALIZE_SYMBOL},
313 {"globalize-symbols", required_argument, 0, OPTION_GLOBALIZE_SYMBOLS},
314 {"help", no_argument, 0, 'h'},
315 {"impure", no_argument, 0, OPTION_IMPURE},
316 {"info", no_argument, 0, OPTION_FORMATS_INFO},
317 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
318 {"input-target", required_argument, 0, 'I'},
319 {"interleave", required_argument, 0, 'i'},
320 {"keep-global-symbol", required_argument, 0, 'G'},
321 {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
322 {"keep-symbol", required_argument, 0, 'K'},
323 {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS},
324 {"localize-symbol", required_argument, 0, 'L'},
325 {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS},
326 {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
327 {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
328 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
329 {"only-section", required_argument, 0, 'j'},
330 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
331 {"output-target", required_argument, 0, 'O'},
332 {"pad-to", required_argument, 0, OPTION_PAD_TO},
333 {"prefix-symbols", required_argument, 0, OPTION_PREFIX_SYMBOLS},
334 {"prefix-sections", required_argument, 0, OPTION_PREFIX_SECTIONS},
335 {"prefix-alloc-sections", required_argument, 0, OPTION_PREFIX_ALLOC_SECTIONS},
336 {"preserve-dates", no_argument, 0, 'p'},
337 {"pure", no_argument, 0, OPTION_PURE},
338 {"readonly-text", no_argument, 0, OPTION_READONLY_TEXT},
339 {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM},
340 {"redefine-syms", required_argument, 0, OPTION_REDEFINE_SYMS},
341 {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR},
342 {"remove-section", required_argument, 0, 'R'},
343 {"rename-section", required_argument, 0, OPTION_RENAME_SECTION},
344 {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
345 {"set-start", required_argument, 0, OPTION_SET_START},
346 {"srec-len", required_argument, 0, OPTION_SREC_LEN},
347 {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
348 {"strip-all", no_argument, 0, 'S'},
349 {"strip-debug", no_argument, 0, 'g'},
350 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
351 {"strip-unneeded-symbol", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOL},
352 {"strip-unneeded-symbols", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOLS},
353 {"strip-symbol", required_argument, 0, 'N'},
354 {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS},
355 {"target", required_argument, 0, 'F'},
356 {"verbose", no_argument, 0, 'v'},
357 {"version", no_argument, 0, 'V'},
358 {"weaken", no_argument, 0, OPTION_WEAKEN},
359 {"weaken-symbol", required_argument, 0, 'W'},
360 {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS},
361 {"wildcard", no_argument, 0, 'w'},
362 {"writable-text", no_argument, 0, OPTION_WRITABLE_TEXT},
363 {0, no_argument, 0, 0}
367 extern char *program_name;
369 /* This flag distinguishes between strip and objcopy:
370 1 means this is 'strip'; 0 means this is 'objcopy'.
371 -1 means if we should use argv[0] to decide. */
374 /* The maximum length of an S record. This variable is declared in srec.c
375 and can be modified by the --srec-len parameter. */
376 extern unsigned int Chunk;
378 /* Restrict the generation of Srecords to type S3 only.
379 This variable is declare in bfd/srec.c and can be toggled
380 on by the --srec-forceS3 command line switch. */
381 extern bfd_boolean S3Forced;
383 /* Defined in bfd/binary.c. Used to set architecture and machine of input
385 extern enum bfd_architecture bfd_external_binary_architecture;
386 extern unsigned long bfd_external_machine;
388 /* Forward declarations. */
389 static void setup_section (bfd *, asection *, void *);
390 static void setup_bfd_headers (bfd *, bfd *);
391 static void copy_section (bfd *, asection *, void *);
392 static void get_sections (bfd *, asection *, void *);
393 static int compare_section_lma (const void *, const void *);
394 static void mark_symbols_used_in_relocations (bfd *, asection *, void *);
395 static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***);
396 static const char *lookup_sym_redefinition (const char *);
399 copy_usage (FILE *stream, int exit_status)
401 fprintf (stream, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
402 fprintf (stream, _(" Copies a binary file, possibly transforming it in the process\n"));
403 fprintf (stream, _(" The options are:\n"));
404 fprintf (stream, _("\
405 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
406 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
407 -B --binary-architecture <arch> Set arch of output file, when input is binary\n\
408 -F --target <bfdname> Set both input and output format to <bfdname>\n\
409 --debugging Convert debugging information, if possible\n\
410 -p --preserve-dates Copy modified/access timestamps to the output\n\
411 -j --only-section <name> Only copy section <name> into the output\n\
412 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
413 -R --remove-section <name> Remove section <name> from the output\n\
414 -S --strip-all Remove all symbol and relocation information\n\
415 -g --strip-debug Remove all debugging symbols & sections\n\
416 --strip-unneeded Remove all symbols not needed by relocations\n\
417 -N --strip-symbol <name> Do not copy symbol <name>\n\
418 --strip-unneeded-symbol <name>\n\
419 Do not copy symbol <name> unless needed by\n\
421 --only-keep-debug Strip everything but the debug information\n\
422 -K --keep-symbol <name> Do not strip symbol <name>\n\
423 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
424 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
425 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
426 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
427 --weaken Force all global symbols to be marked as weak\n\
428 -w --wildcard Permit wildcard in symbol comparison\n\
429 -x --discard-all Remove all non-global symbols\n\
430 -X --discard-locals Remove any compiler-generated symbols\n\
431 -i --interleave <number> Only copy one out of every <number> bytes\n\
432 -b --byte <num> Select byte <num> in every interleaved block\n\
433 --gap-fill <val> Fill gaps between sections with <val>\n\
434 --pad-to <addr> Pad the last section up to address <addr>\n\
435 --set-start <addr> Set the start address to <addr>\n\
436 {--change-start|--adjust-start} <incr>\n\
437 Add <incr> to the start address\n\
438 {--change-addresses|--adjust-vma} <incr>\n\
439 Add <incr> to LMA, VMA and start addresses\n\
440 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
441 Change LMA and VMA of section <name> by <val>\n\
442 --change-section-lma <name>{=|+|-}<val>\n\
443 Change the LMA of section <name> by <val>\n\
444 --change-section-vma <name>{=|+|-}<val>\n\
445 Change the VMA of section <name> by <val>\n\
446 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
447 Warn if a named section does not exist\n\
448 --set-section-flags <name>=<flags>\n\
449 Set section <name>'s properties to <flags>\n\
450 --add-section <name>=<file> Add section <name> found in <file> to output\n\
451 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
452 --change-leading-char Force output format's leading character style\n\
453 --remove-leading-char Remove leading character from global symbols\n\
454 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
455 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
457 --srec-len <number> Restrict the length of generated Srecords\n\
458 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
459 --strip-symbols <file> -N for all symbols listed in <file>\n\
460 --strip-unneeded-symbols <file>\n\
461 --strip-unneeded-symbol for all symbols listed\n\
463 --keep-symbols <file> -K for all symbols listed in <file>\n\
464 --localize-symbols <file> -L for all symbols listed in <file>\n\
465 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
466 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
467 --weaken-symbols <file> -W for all symbols listed in <file>\n\
468 --alt-machine-code <index> Use alternate machine code for output\n\
469 --writable-text Mark the output text as writable\n\
470 --readonly-text Make the output text write protected\n\
471 --pure Mark the output file as demand paged\n\
472 --impure Mark the output file as impure\n\
473 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
474 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
475 --prefix-alloc-sections <prefix>\n\
476 Add <prefix> to start of every allocatable\n\
478 -v --verbose List all object files modified\n\
479 -V --version Display this program's version number\n\
480 -h --help Display this output\n\
481 --info List object formats & architectures supported\n\
483 list_supported_targets (program_name, stream);
484 if (exit_status == 0)
485 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
490 strip_usage (FILE *stream, int exit_status)
492 fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name);
493 fprintf (stream, _(" Removes symbols and sections from files\n"));
494 fprintf (stream, _(" The options are:\n"));
495 fprintf (stream, _("\
496 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
497 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
498 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
499 -p --preserve-dates Copy modified/access timestamps to the output\n\
500 -R --remove-section=<name> Remove section <name> from the output\n\
501 -s --strip-all Remove all symbol and relocation information\n\
502 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
503 --strip-unneeded Remove all symbols not needed by relocations\n\
504 --only-keep-debug Strip everything but the debug information\n\
505 -N --strip-symbol=<name> Do not copy symbol <name>\n\
506 -K --keep-symbol=<name> Do not strip symbol <name>\n\
507 -w --wildcard Permit wildcard in symbol comparison\n\
508 -x --discard-all Remove all non-global symbols\n\
509 -X --discard-locals Remove any compiler-generated symbols\n\
510 -v --verbose List all object files modified\n\
511 -V --version Display this program's version number\n\
512 -h --help Display this output\n\
513 --info List object formats & architectures supported\n\
514 -o <file> Place stripped output into <file>\n\
517 list_supported_targets (program_name, stream);
518 if (exit_status == 0)
519 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
523 /* Parse section flags into a flagword, with a fatal error if the
524 string can't be parsed. */
527 parse_flags (const char *s)
537 snext = strchr (s, ',');
547 #define PARSE_FLAG(fname,fval) \
548 else if (strncasecmp (fname, s, len) == 0) ret |= fval
549 PARSE_FLAG ("alloc", SEC_ALLOC);
550 PARSE_FLAG ("load", SEC_LOAD);
551 PARSE_FLAG ("noload", SEC_NEVER_LOAD);
552 PARSE_FLAG ("readonly", SEC_READONLY);
553 PARSE_FLAG ("debug", SEC_DEBUGGING);
554 PARSE_FLAG ("code", SEC_CODE);
555 PARSE_FLAG ("data", SEC_DATA);
556 PARSE_FLAG ("rom", SEC_ROM);
557 PARSE_FLAG ("share", SEC_COFF_SHARED);
558 PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
564 copy = xmalloc (len + 1);
565 strncpy (copy, s, len);
567 non_fatal (_("unrecognized section flag `%s'"), copy);
568 fatal (_("supported flags: %s"),
569 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
579 /* Find and optionally add an entry in the change_sections list. */
581 static struct section_list *
582 find_section_list (const char *name, bfd_boolean add)
584 struct section_list *p;
586 for (p = change_sections; p != NULL; p = p->next)
587 if (strcmp (p->name, name) == 0)
593 p = xmalloc (sizeof (struct section_list));
598 p->change_vma = CHANGE_IGNORE;
599 p->change_lma = CHANGE_IGNORE;
602 p->set_flags = FALSE;
605 p->next = change_sections;
611 /* Add a symbol to strip_specific_list. */
614 add_specific_symbol (const char *name, struct symlist **list)
616 struct symlist *tmp_list;
618 tmp_list = xmalloc (sizeof (struct symlist));
619 tmp_list->name = name;
620 tmp_list->next = *list;
624 /* Add symbols listed in `filename' to strip_specific_list. */
626 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
627 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
630 add_specific_symbols (const char *filename, struct symlist **list)
636 unsigned int line_count;
638 size = get_file_size (filename);
642 buffer = xmalloc (size + 2);
643 f = fopen (filename, FOPEN_RT);
645 fatal (_("cannot open '%s': %s"), filename, strerror (errno));
647 if (fread (buffer, 1, size, f) == 0 || ferror (f))
648 fatal (_("%s: fread failed"), filename);
651 buffer [size] = '\n';
652 buffer [size + 1] = '\0';
656 for (line = buffer; * line != '\0'; line ++)
661 int finished = FALSE;
663 for (eol = line;; eol ++)
669 /* Cope with \n\r. */
677 /* Cope with \r\n. */
688 /* Line comment, Terminate the line here, in case a
689 name is present and then allow the rest of the
690 loop to find the real end of the line. */
702 /* A name may now exist somewhere between 'line' and 'eol'.
703 Strip off leading whitespace and trailing whitespace,
704 then add it to the list. */
705 for (name = line; IS_WHITESPACE (* name); name ++)
707 for (name_end = name;
708 (! IS_WHITESPACE (* name_end))
709 && (! IS_LINE_TERMINATOR (* name_end));
713 if (! IS_LINE_TERMINATOR (* name_end))
717 for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++)
720 if (! IS_LINE_TERMINATOR (* extra))
721 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
722 filename, line_count);
728 add_specific_symbol (name, list);
730 /* Advance line pointer to end of line. The 'eol ++' in the for
731 loop above will then advance us to the start of the next line. */
737 /* See whether a symbol should be stripped or kept based on
738 strip_specific_list and keep_symbols. */
741 is_specified_symbol (const char *name, struct symlist *list)
743 struct symlist *tmp_list;
747 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
748 if (*(tmp_list->name) != '!')
750 if (!fnmatch (tmp_list->name, name, 0))
755 if (fnmatch (tmp_list->name + 1, name, 0))
761 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
762 if (strcmp (name, tmp_list->name) == 0)
769 /* See if a section is being removed. */
772 is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
774 if (sections_removed || sections_copied)
776 struct section_list *p;
778 p = find_section_list (bfd_get_section_name (abfd, sec), FALSE);
780 if (sections_removed && p != NULL && p->remove)
782 if (sections_copied && (p == NULL || ! p->copy))
786 if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0)
788 if (strip_symbols == STRIP_DEBUG
789 || strip_symbols == STRIP_UNNEEDED
790 || strip_symbols == STRIP_ALL
791 || discard_locals == LOCALS_ALL
792 || convert_debugging)
795 if (strip_symbols == STRIP_NONDEBUG)
802 /* Choose which symbol entries to copy; put the result in OSYMS.
803 We don't copy in place, because that confuses the relocs.
804 Return the number of symbols to print. */
807 filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
808 asymbol **isyms, long symcount)
810 asymbol **from = isyms, **to = osyms;
811 long src_count = 0, dst_count = 0;
812 int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC))
815 for (; src_count < symcount; src_count++)
817 asymbol *sym = from[src_count];
818 flagword flags = sym->flags;
819 char *name = (char *) bfd_asymbol_name (sym);
821 bfd_boolean undefined;
822 bfd_boolean rem_leading_char;
823 bfd_boolean add_leading_char;
825 undefined = bfd_is_und_section (bfd_get_section (sym));
827 if (redefine_sym_list)
829 char *old_name, *new_name;
831 old_name = (char *) bfd_asymbol_name (sym);
832 new_name = (char *) lookup_sym_redefinition (old_name);
833 bfd_asymbol_name (sym) = new_name;
837 /* Check if we will remove the current leading character. */
839 (name[0] == bfd_get_symbol_leading_char (abfd))
840 && (change_leading_char
841 || (remove_leading_char
842 && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
844 || bfd_is_com_section (bfd_get_section (sym)))));
846 /* Check if we will add a new leading character. */
849 && (bfd_get_symbol_leading_char (obfd) != '\0')
850 && (bfd_get_symbol_leading_char (abfd) == '\0'
851 || (name[0] == bfd_get_symbol_leading_char (abfd)));
853 /* Short circuit for change_leading_char if we can do it in-place. */
854 if (rem_leading_char && add_leading_char && !prefix_symbols_string)
856 name[0] = bfd_get_symbol_leading_char (obfd);
857 bfd_asymbol_name (sym) = name;
858 rem_leading_char = FALSE;
859 add_leading_char = FALSE;
862 /* Remove leading char. */
863 if (rem_leading_char)
864 bfd_asymbol_name (sym) = ++name;
866 /* Add new leading char and/or prefix. */
867 if (add_leading_char || prefix_symbols_string)
871 ptr = n = xmalloc (1 + strlen (prefix_symbols_string)
872 + strlen (name) + 1);
873 if (add_leading_char)
874 *ptr++ = bfd_get_symbol_leading_char (obfd);
876 if (prefix_symbols_string)
878 strcpy (ptr, prefix_symbols_string);
879 ptr += strlen (prefix_symbols_string);
883 bfd_asymbol_name (sym) = n;
887 if (strip_symbols == STRIP_ALL)
889 else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
890 || ((flags & BSF_SECTION_SYM) != 0
891 && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
894 else if (relocatable /* Relocatable file. */
895 && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0)
897 else if (bfd_decode_symclass (sym) == 'I')
898 /* Global symbols in $idata sections need to be retained
899 even if relocatable is FALSE. External users of the
900 library containing the $idata section may reference these
903 else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
904 || (flags & BSF_WEAK) != 0
906 || bfd_is_com_section (bfd_get_section (sym)))
907 keep = strip_symbols != STRIP_UNNEEDED;
908 else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
909 keep = (strip_symbols != STRIP_DEBUG
910 && strip_symbols != STRIP_UNNEEDED
911 && ! convert_debugging);
912 else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym)))
913 /* COMDAT sections store special information in local
914 symbols, so we cannot risk stripping any of them. */
916 else /* Local symbol. */
917 keep = (strip_symbols != STRIP_UNNEEDED
918 && (discard_locals != LOCALS_ALL
919 && (discard_locals != LOCALS_START_L
920 || ! bfd_is_local_label (abfd, sym))));
922 if (keep && is_specified_symbol (name, strip_specific_list))
925 && !(flags & BSF_KEEP)
926 && is_specified_symbol (name, strip_unneeded_list))
928 if (!keep && is_specified_symbol (name, keep_specific_list))
930 if (keep && is_strip_section (abfd, bfd_get_section (sym)))
935 if ((flags & BSF_GLOBAL) != 0
936 && (weaken || is_specified_symbol (name, weaken_specific_list)))
938 sym->flags &= ~ BSF_GLOBAL;
939 sym->flags |= BSF_WEAK;
943 && (flags & (BSF_GLOBAL | BSF_WEAK))
944 && (is_specified_symbol (name, localize_specific_list)
945 || (keepglobal_specific_list != NULL
946 && ! is_specified_symbol (name, keepglobal_specific_list))))
948 sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK);
949 sym->flags |= BSF_LOCAL;
953 && (flags & BSF_LOCAL)
954 && is_specified_symbol (name, globalize_specific_list))
956 sym->flags &= ~ BSF_LOCAL;
957 sym->flags |= BSF_GLOBAL;
960 to[dst_count++] = sym;
964 to[dst_count] = NULL;
969 /* Find the redefined name of symbol SOURCE. */
972 lookup_sym_redefinition (const char *source)
974 struct redefine_node *list;
976 for (list = redefine_sym_list; list != NULL; list = list->next)
977 if (strcmp (source, list->source) == 0)
983 /* Add a node to a symbol redefine list. */
986 redefine_list_append (const char *cause, const char *source, const char *target)
988 struct redefine_node **p;
989 struct redefine_node *list;
990 struct redefine_node *new_node;
992 for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next)
994 if (strcmp (source, list->source) == 0)
995 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
998 if (strcmp (target, list->target) == 0)
999 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1003 new_node = xmalloc (sizeof (struct redefine_node));
1005 new_node->source = strdup (source);
1006 new_node->target = strdup (target);
1007 new_node->next = NULL;
1012 /* Handle the --redefine-syms option. Read lines containing "old new"
1013 from the file, and add them to the symbol redefine list. */
1016 add_redefine_syms_file (const char *filename)
1025 file = fopen (filename, "r");
1027 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1028 filename, strerror (errno));
1031 buf = xmalloc (bufsize);
1039 /* Collect the input symbol name. */
1040 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1048 buf = xrealloc (buf, bufsize);
1056 /* Eat white space between the symbol names. */
1057 while (IS_WHITESPACE (c))
1059 if (c == '#' || IS_LINE_TERMINATOR (c))
1064 /* Collect the output symbol name. */
1066 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1074 buf = xrealloc (buf, bufsize);
1082 /* Eat white space at end of line. */
1083 while (! IS_LINE_TERMINATOR(c) && c != EOF && IS_WHITESPACE (c))
1088 if ((c == '\r' && (c = getc (file)) == '\n')
1089 || c == '\n' || c == EOF)
1092 /* Append the redefinition to the list. */
1094 redefine_list_append (filename, &buf[0], &buf[outsym_off]);
1105 fatal (_("%s:%d: garbage found at end of line"), filename, lineno);
1107 if (len != 0 && (outsym_off == 0 || outsym_off == len))
1108 fatal (_("%s:%d: missing new symbol name"), filename, lineno);
1111 /* Eat the rest of the line and finish it. */
1112 while (c != '\n' && c != EOF)
1118 fatal (_("%s:%d: premature end of file"), filename, lineno);
1123 /* Copy object file IBFD onto OBFD.
1124 Returns TRUE upon success, FALSE otherwise. */
1127 copy_object (bfd *ibfd, bfd *obfd)
1131 asection **osections = NULL;
1132 asection *gnu_debuglink_section = NULL;
1133 bfd_size_type *gaps = NULL;
1134 bfd_size_type max_gap = 0;
1137 enum bfd_architecture iarch;
1140 if (ibfd->xvec->byteorder != obfd->xvec->byteorder
1141 && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
1142 && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
1143 fatal (_("Unable to change endianness of input file(s)"));
1145 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1147 bfd_nonfatal (bfd_get_filename (obfd));
1152 printf (_("copy from %s(%s) to %s(%s)\n"),
1153 bfd_get_filename (ibfd), bfd_get_target (ibfd),
1154 bfd_get_filename (obfd), bfd_get_target (obfd));
1159 start = bfd_get_start_address (ibfd);
1160 start += change_start;
1162 /* Neither the start address nor the flags
1163 need to be set for a core file. */
1164 if (bfd_get_format (obfd) != bfd_core)
1168 flags = bfd_get_file_flags (ibfd);
1169 flags |= bfd_flags_to_set;
1170 flags &= ~bfd_flags_to_clear;
1171 flags &= bfd_applicable_file_flags (obfd);
1173 if (!bfd_set_start_address (obfd, start)
1174 || !bfd_set_file_flags (obfd, flags))
1176 bfd_nonfatal (bfd_get_filename (ibfd));
1181 /* Copy architecture of input file to output file. */
1182 iarch = bfd_get_arch (ibfd);
1183 imach = bfd_get_mach (ibfd);
1184 if (!bfd_set_arch_mach (obfd, iarch, imach)
1185 && (ibfd->target_defaulted
1186 || bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
1188 if (bfd_get_arch (ibfd) == bfd_arch_unknown)
1189 fatal (_("Unable to recognise the format of the input file %s"),
1190 bfd_get_filename (ibfd));
1193 non_fatal (_("Warning: Output file cannot represent architecture %s"),
1194 bfd_printable_arch_mach (bfd_get_arch (ibfd),
1195 bfd_get_mach (ibfd)));
1200 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1202 bfd_nonfatal (bfd_get_filename (ibfd));
1209 if (osympp != isympp)
1212 /* BFD mandates that all output sections be created and sizes set before
1213 any output is done. Thus, we traverse all sections multiple times. */
1214 bfd_map_over_sections (ibfd, setup_section, obfd);
1216 setup_bfd_headers (ibfd, obfd);
1218 if (add_sections != NULL)
1220 struct section_add *padd;
1221 struct section_list *pset;
1223 for (padd = add_sections; padd != NULL; padd = padd->next)
1227 padd->section = bfd_make_section (obfd, padd->name);
1228 if (padd->section == NULL)
1230 non_fatal (_("can't create section `%s': %s"),
1231 padd->name, bfd_errmsg (bfd_get_error ()));
1235 if (! bfd_set_section_size (obfd, padd->section, padd->size))
1237 bfd_nonfatal (bfd_get_filename (obfd));
1241 pset = find_section_list (padd->name, FALSE);
1245 if (pset != NULL && pset->set_flags)
1246 flags = pset->flags | SEC_HAS_CONTENTS;
1248 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
1250 if (! bfd_set_section_flags (obfd, padd->section, flags))
1252 bfd_nonfatal (bfd_get_filename (obfd));
1258 if (pset->change_vma != CHANGE_IGNORE)
1259 if (! bfd_set_section_vma (obfd, padd->section,
1262 bfd_nonfatal (bfd_get_filename (obfd));
1266 if (pset->change_lma != CHANGE_IGNORE)
1268 padd->section->lma = pset->lma_val;
1270 if (! bfd_set_section_alignment
1271 (obfd, padd->section,
1272 bfd_section_alignment (obfd, padd->section)))
1274 bfd_nonfatal (bfd_get_filename (obfd));
1282 if (gnu_debuglink_filename != NULL)
1284 gnu_debuglink_section = bfd_create_gnu_debuglink_section
1285 (obfd, gnu_debuglink_filename);
1287 if (gnu_debuglink_section == NULL)
1289 bfd_nonfatal (gnu_debuglink_filename);
1294 if (bfd_count_sections (obfd) == 0)
1296 non_fatal (_("there are no sections to be copied!"));
1300 if (gap_fill_set || pad_to_set)
1305 /* We must fill in gaps between the sections and/or we must pad
1306 the last section to a specified address. We do this by
1307 grabbing a list of the sections, sorting them by VMA, and
1308 increasing the section sizes as required to fill the gaps.
1309 We write out the gap contents below. */
1311 c = bfd_count_sections (obfd);
1312 osections = xmalloc (c * sizeof (asection *));
1314 bfd_map_over_sections (obfd, get_sections, &set);
1316 qsort (osections, c, sizeof (asection *), compare_section_lma);
1318 gaps = xmalloc (c * sizeof (bfd_size_type));
1319 memset (gaps, 0, c * sizeof (bfd_size_type));
1323 for (i = 0; i < c - 1; i++)
1327 bfd_vma gap_start, gap_stop;
1329 flags = bfd_get_section_flags (obfd, osections[i]);
1330 if ((flags & SEC_HAS_CONTENTS) == 0
1331 || (flags & SEC_LOAD) == 0)
1334 size = bfd_section_size (obfd, osections[i]);
1335 gap_start = bfd_section_lma (obfd, osections[i]) + size;
1336 gap_stop = bfd_section_lma (obfd, osections[i + 1]);
1337 if (gap_start < gap_stop)
1339 if (! bfd_set_section_size (obfd, osections[i],
1340 size + (gap_stop - gap_start)))
1342 non_fatal (_("Can't fill gap after %s: %s"),
1343 bfd_get_section_name (obfd, osections[i]),
1344 bfd_errmsg (bfd_get_error ()));
1348 gaps[i] = gap_stop - gap_start;
1349 if (max_gap < gap_stop - gap_start)
1350 max_gap = gap_stop - gap_start;
1360 lma = bfd_section_lma (obfd, osections[c - 1]);
1361 size = bfd_section_size (obfd, osections[c - 1]);
1362 if (lma + size < pad_to)
1364 if (! bfd_set_section_size (obfd, osections[c - 1],
1367 non_fatal (_("Can't add padding to %s: %s"),
1368 bfd_get_section_name (obfd, osections[c - 1]),
1369 bfd_errmsg (bfd_get_error ()));
1374 gaps[c - 1] = pad_to - (lma + size);
1375 if (max_gap < pad_to - (lma + size))
1376 max_gap = pad_to - (lma + size);
1382 /* Symbol filtering must happen after the output sections
1383 have been created, but before their contents are set. */
1385 symsize = bfd_get_symtab_upper_bound (ibfd);
1388 bfd_nonfatal (bfd_get_filename (ibfd));
1392 osympp = isympp = xmalloc (symsize);
1393 symcount = bfd_canonicalize_symtab (ibfd, isympp);
1396 bfd_nonfatal (bfd_get_filename (ibfd));
1400 if (convert_debugging)
1401 dhandle = read_debugging_info (ibfd, isympp, symcount);
1403 if (strip_symbols == STRIP_DEBUG
1404 || strip_symbols == STRIP_ALL
1405 || strip_symbols == STRIP_UNNEEDED
1406 || strip_symbols == STRIP_NONDEBUG
1407 || discard_locals != LOCALS_UNDEF
1408 || strip_specific_list != NULL
1409 || keep_specific_list != NULL
1410 || localize_specific_list != NULL
1411 || globalize_specific_list != NULL
1412 || keepglobal_specific_list != NULL
1413 || weaken_specific_list != NULL
1414 || prefix_symbols_string
1417 || convert_debugging
1418 || change_leading_char
1419 || remove_leading_char
1420 || redefine_sym_list
1423 /* Mark symbols used in output relocations so that they
1424 are kept, even if they are local labels or static symbols.
1426 Note we iterate over the input sections examining their
1427 relocations since the relocations for the output sections
1428 haven't been set yet. mark_symbols_used_in_relocations will
1429 ignore input sections which have no corresponding output
1431 if (strip_symbols != STRIP_ALL)
1432 bfd_map_over_sections (ibfd,
1433 mark_symbols_used_in_relocations,
1435 osympp = xmalloc ((symcount + 1) * sizeof (asymbol *));
1436 symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
1439 if (convert_debugging && dhandle != NULL)
1441 if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
1448 bfd_set_symtab (obfd, osympp, symcount);
1450 /* This has to happen after the symbol table has been set. */
1451 bfd_map_over_sections (ibfd, copy_section, obfd);
1453 if (add_sections != NULL)
1455 struct section_add *padd;
1457 for (padd = add_sections; padd != NULL; padd = padd->next)
1459 if (! bfd_set_section_contents (obfd, padd->section, padd->contents,
1462 bfd_nonfatal (bfd_get_filename (obfd));
1468 if (gnu_debuglink_filename != NULL)
1470 if (! bfd_fill_in_gnu_debuglink_section
1471 (obfd, gnu_debuglink_section, gnu_debuglink_filename))
1473 bfd_nonfatal (gnu_debuglink_filename);
1478 if (gap_fill_set || pad_to_set)
1483 /* Fill in the gaps. */
1486 buf = xmalloc (max_gap);
1487 memset (buf, gap_fill, max_gap);
1489 c = bfd_count_sections (obfd);
1490 for (i = 0; i < c; i++)
1498 off = bfd_section_size (obfd, osections[i]) - left;
1509 if (! bfd_set_section_contents (obfd, osections[i], buf,
1512 bfd_nonfatal (bfd_get_filename (obfd));
1523 /* Allow the BFD backend to copy any private data it understands
1524 from the input BFD to the output BFD. This is done last to
1525 permit the routine to look at the filtered symbol table, which is
1526 important for the ECOFF code at least. */
1527 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
1528 && strip_symbols == STRIP_NONDEBUG)
1529 /* Do not copy the private data when creating an ELF format
1530 debug info file. We do not want the program headers. */
1532 else if (! bfd_copy_private_bfd_data (ibfd, obfd))
1534 non_fatal (_("%s: error copying private BFD data: %s"),
1535 bfd_get_filename (obfd),
1536 bfd_errmsg (bfd_get_error ()));
1540 /* Switch to the alternate machine code. We have to do this at the
1541 very end, because we only initialize the header when we create
1542 the first section. */
1543 if (use_alt_mach_code != 0
1544 && ! bfd_alt_mach_code (obfd, use_alt_mach_code))
1545 non_fatal (_("unknown alternate machine code, ignored"));
1551 #if defined (_WIN32) && !defined (__CYGWIN32__)
1552 #define MKDIR(DIR, MODE) mkdir (DIR)
1554 #define MKDIR(DIR, MODE) mkdir (DIR, MODE)
1557 /* Read each archive element in turn from IBFD, copy the
1558 contents to temp file, and keep the temp file handle. */
1561 copy_archive (bfd *ibfd, bfd *obfd, const char *output_target)
1565 struct name_list *next;
1569 bfd **ptr = &obfd->archive_head;
1571 char *dir = make_tempname (bfd_get_filename (obfd));
1573 /* Make a temp directory to hold the contents. */
1574 if (MKDIR (dir, 0700) != 0)
1575 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1576 dir, strerror (errno));
1578 obfd->has_armap = ibfd->has_armap;
1582 this_element = bfd_openr_next_archived_file (ibfd, NULL);
1584 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1585 RETURN_NONFATAL (bfd_get_filename (obfd));
1587 while (!status && this_element != NULL)
1593 int stat_status = 0;
1594 bfd_boolean delete = TRUE;
1596 /* Create an output file for this member. */
1597 output_name = concat (dir, "/",
1598 bfd_get_filename (this_element), (char *) 0);
1600 /* If the file already exists, make another temp dir. */
1601 if (stat (output_name, &buf) >= 0)
1603 output_name = make_tempname (output_name);
1604 if (MKDIR (output_name, 0700) != 0)
1605 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1606 output_name, strerror (errno));
1608 l = xmalloc (sizeof (struct name_list));
1609 l->name = output_name;
1613 output_name = concat (output_name, "/",
1614 bfd_get_filename (this_element), (char *) 0);
1617 output_bfd = bfd_openw (output_name, output_target);
1620 stat_status = bfd_stat_arch_elt (this_element, &buf);
1622 if (stat_status != 0)
1623 non_fatal (_("internal stat error on %s"),
1624 bfd_get_filename (this_element));
1627 l = xmalloc (sizeof (struct name_list));
1628 l->name = output_name;
1632 if (output_bfd == NULL)
1633 RETURN_NONFATAL (output_name);
1635 if (bfd_check_format (this_element, bfd_object))
1636 delete = ! copy_object (this_element, output_bfd);
1638 if (!bfd_close (output_bfd))
1640 bfd_nonfatal (bfd_get_filename (output_bfd));
1641 /* Error in new object file. Don't change archive. */
1647 unlink (output_name);
1652 if (preserve_dates && stat_status == 0)
1653 set_times (output_name, &buf);
1655 /* Open the newly output file and attach to our list. */
1656 output_bfd = bfd_openr (output_name, output_target);
1658 l->obfd = output_bfd;
1661 ptr = &output_bfd->next;
1663 last_element = this_element;
1665 this_element = bfd_openr_next_archived_file (ibfd, last_element);
1667 bfd_close (last_element);
1672 if (!bfd_close (obfd))
1673 RETURN_NONFATAL (bfd_get_filename (obfd));
1675 if (!bfd_close (ibfd))
1676 RETURN_NONFATAL (bfd_get_filename (ibfd));
1678 /* Delete all the files that we opened. */
1679 for (l = list; l != NULL; l = l->next)
1681 if (l->obfd == NULL)
1685 bfd_close (l->obfd);
1692 /* The top-level control. */
1695 copy_file (const char *input_filename, const char *output_filename,
1696 const char *input_target, const char *output_target)
1699 char **obj_matching;
1700 char **core_matching;
1702 if (get_file_size (input_filename) < 1)
1704 non_fatal (_("error: the input file '%s' is empty"), input_filename);
1709 /* To allow us to do "strip *" without dying on the first
1710 non-object file, failures are nonfatal. */
1711 ibfd = bfd_openr (input_filename, input_target);
1713 RETURN_NONFATAL (input_filename);
1715 if (bfd_check_format (ibfd, bfd_archive))
1719 /* bfd_get_target does not return the correct value until
1720 bfd_check_format succeeds. */
1721 if (output_target == NULL)
1722 output_target = bfd_get_target (ibfd);
1724 obfd = bfd_openw (output_filename, output_target);
1726 RETURN_NONFATAL (output_filename);
1728 copy_archive (ibfd, obfd, output_target);
1730 else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
1736 /* bfd_get_target does not return the correct value until
1737 bfd_check_format succeeds. */
1738 if (output_target == NULL)
1739 output_target = bfd_get_target (ibfd);
1741 obfd = bfd_openw (output_filename, output_target);
1743 RETURN_NONFATAL (output_filename);
1745 delete = ! copy_object (ibfd, obfd);
1747 if (!bfd_close (obfd))
1748 RETURN_NONFATAL (output_filename);
1750 if (!bfd_close (ibfd))
1751 RETURN_NONFATAL (input_filename);
1755 unlink_if_ordinary (output_filename);
1761 bfd_error_type obj_error = bfd_get_error ();
1762 bfd_error_type core_error;
1764 if (bfd_check_format_matches (ibfd, bfd_core, &core_matching))
1766 /* This probably can't happen.. */
1767 if (obj_error == bfd_error_file_ambiguously_recognized)
1768 free (obj_matching);
1772 core_error = bfd_get_error ();
1773 /* Report the object error in preference to the core error. */
1774 if (obj_error != core_error)
1775 bfd_set_error (obj_error);
1777 bfd_nonfatal (input_filename);
1779 if (obj_error == bfd_error_file_ambiguously_recognized)
1781 list_matching_formats (obj_matching);
1782 free (obj_matching);
1784 if (core_error == bfd_error_file_ambiguously_recognized)
1786 list_matching_formats (core_matching);
1787 free (core_matching);
1794 /* Add a name to the section renaming list. */
1797 add_section_rename (const char * old_name, const char * new_name,
1800 section_rename * rename;
1802 /* Check for conflicts first. */
1803 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1804 if (strcmp (rename->old_name, old_name) == 0)
1806 /* Silently ignore duplicate definitions. */
1807 if (strcmp (rename->new_name, new_name) == 0
1808 && rename->flags == flags)
1811 fatal (_("Multiple renames of section %s"), old_name);
1814 rename = xmalloc (sizeof (* rename));
1816 rename->old_name = old_name;
1817 rename->new_name = new_name;
1818 rename->flags = flags;
1819 rename->next = section_rename_list;
1821 section_rename_list = rename;
1824 /* Check the section rename list for a new name of the input section
1825 ISECTION. Return the new name if one is found.
1826 Also set RETURNED_FLAGS to the flags to be used for this section. */
1829 find_section_rename (bfd * ibfd ATTRIBUTE_UNUSED, sec_ptr isection,
1830 flagword * returned_flags)
1832 const char * old_name = bfd_section_name (ibfd, isection);
1833 section_rename * rename;
1835 /* Default to using the flags of the input section. */
1836 * returned_flags = bfd_get_section_flags (ibfd, isection);
1838 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1839 if (strcmp (rename->old_name, old_name) == 0)
1841 if (rename->flags != (flagword) -1)
1842 * returned_flags = rename->flags;
1844 return rename->new_name;
1850 /* Once each of the sections is copied, we may still need to do some
1851 finalization work for private section headers. Do that here. */
1854 setup_bfd_headers (bfd *ibfd, bfd *obfd)
1858 /* Allow the BFD backend to copy any private data it understands
1859 from the input section to the output section. */
1860 if (! bfd_copy_private_header_data (ibfd, obfd))
1862 err = _("private header data");
1866 /* All went well. */
1870 non_fatal (_("%s: error in %s: %s"),
1871 bfd_get_filename (ibfd),
1872 err, bfd_errmsg (bfd_get_error ()));
1876 /* Create a section in OBFD with the same
1877 name and attributes as ISECTION in IBFD. */
1880 setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
1882 bfd *obfd = obfdarg;
1883 struct section_list *p;
1891 char *prefix = NULL;
1893 if (is_strip_section (ibfd, isection))
1896 p = find_section_list (bfd_section_name (ibfd, isection), FALSE);
1900 /* Get the, possibly new, name of the output section. */
1901 name = find_section_rename (ibfd, isection, & flags);
1903 /* Prefix sections. */
1904 if ((prefix_alloc_sections_string)
1905 && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC))
1906 prefix = prefix_alloc_sections_string;
1907 else if (prefix_sections_string)
1908 prefix = prefix_sections_string;
1914 n = xmalloc (strlen (prefix) + strlen (name) + 1);
1920 osection = bfd_make_section_anyway (obfd, name);
1922 if (osection == NULL)
1928 size = bfd_section_size (ibfd, isection);
1930 size = (size + interleave - 1) / interleave;
1931 if (! bfd_set_section_size (obfd, osection, size))
1937 vma = bfd_section_vma (ibfd, isection);
1938 if (p != NULL && p->change_vma == CHANGE_MODIFY)
1940 else if (p != NULL && p->change_vma == CHANGE_SET)
1943 vma += change_section_address;
1945 if (! bfd_set_section_vma (obfd, osection, vma))
1951 lma = isection->lma;
1952 if ((p != NULL) && p->change_lma != CHANGE_IGNORE)
1954 if (p->change_lma == CHANGE_MODIFY)
1956 else if (p->change_lma == CHANGE_SET)
1962 lma += change_section_address;
1964 osection->lma = lma;
1966 /* FIXME: This is probably not enough. If we change the LMA we
1967 may have to recompute the header for the file as well. */
1968 if (!bfd_set_section_alignment (obfd,
1970 bfd_section_alignment (ibfd, isection)))
1972 err = _("alignment");
1976 if (p != NULL && p->set_flags)
1977 flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
1978 else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0)
1980 flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
1981 if (obfd->xvec->flavour == bfd_target_elf_flavour)
1982 elf_section_type (osection) = SHT_NOBITS;
1985 if (!bfd_set_section_flags (obfd, osection, flags))
1991 /* Copy merge entity size. */
1992 osection->entsize = isection->entsize;
1994 /* This used to be mangle_section; we do here to avoid using
1995 bfd_get_section_by_name since some formats allow multiple
1996 sections with the same name. */
1997 isection->output_section = osection;
1998 isection->output_offset = 0;
2000 /* Allow the BFD backend to copy any private data it understands
2001 from the input section to the output section. */
2002 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
2003 && strip_symbols == STRIP_NONDEBUG)
2004 /* Do not copy the private data when creating an ELF format
2005 debug info file. We do not want the program headers. */
2007 else if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
2009 err = _("private data");
2013 /* All went well. */
2017 non_fatal (_("%s: section `%s': error in %s: %s"),
2018 bfd_get_filename (ibfd),
2019 bfd_section_name (ibfd, isection),
2020 err, bfd_errmsg (bfd_get_error ()));
2024 /* Copy the data of input section ISECTION of IBFD
2025 to an output section with the same name in OBFD.
2026 If stripping then don't copy any relocation info. */
2029 copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
2031 bfd *obfd = obfdarg;
2032 struct section_list *p;
2040 /* If we have already failed earlier on,
2041 do not keep on generating complaints now. */
2045 if (is_strip_section (ibfd, isection))
2048 flags = bfd_get_section_flags (ibfd, isection);
2049 if ((flags & SEC_GROUP) != 0)
2052 osection = isection->output_section;
2053 size = bfd_get_section_size (isection);
2055 if (size == 0 || osection == 0)
2058 p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE);
2060 /* Core files do not need to be relocated. */
2061 if (bfd_get_format (obfd) == bfd_core)
2065 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2069 /* Do not complain if the target does not support relocations. */
2070 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2073 RETURN_NONFATAL (bfd_get_filename (ibfd));
2078 bfd_set_reloc (obfd, osection, NULL, 0);
2081 relpp = xmalloc (relsize);
2082 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
2084 RETURN_NONFATAL (bfd_get_filename (ibfd));
2086 if (strip_symbols == STRIP_ALL)
2088 /* Remove relocations which are not in
2089 keep_strip_specific_list. */
2090 arelent **temp_relpp;
2091 long temp_relcount = 0;
2094 temp_relpp = xmalloc (relsize);
2095 for (i = 0; i < relcount; i++)
2096 if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr),
2097 keep_specific_list))
2098 temp_relpp [temp_relcount++] = relpp [i];
2099 relcount = temp_relcount;
2104 bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount);
2109 if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
2110 && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
2112 void *memhunk = xmalloc (size);
2114 if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size))
2115 RETURN_NONFATAL (bfd_get_filename (ibfd));
2119 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2120 char *from = (char *) memhunk + copy_byte;
2122 char *end = (char *) memhunk + size;
2124 for (; from < end; from += interleave)
2127 size = (size + interleave - 1 - copy_byte) / interleave;
2128 osection->lma /= interleave;
2131 if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2132 RETURN_NONFATAL (bfd_get_filename (obfd));
2136 else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
2138 void *memhunk = xmalloc (size);
2140 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2141 flag--they can just remove the section entirely and add it
2142 back again. However, we do permit them to turn on the
2143 SEC_HAS_CONTENTS flag, and take it to mean that the section
2144 contents should be zeroed out. */
2146 memset (memhunk, 0, size);
2147 if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2148 RETURN_NONFATAL (bfd_get_filename (obfd));
2153 /* Get all the sections. This is used when --gap-fill or --pad-to is
2157 get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
2159 asection ***secppp = secppparg;
2161 **secppp = osection;
2165 /* Sort sections by VMA. This is called via qsort, and is used when
2166 --gap-fill or --pad-to is used. We force non loadable or empty
2167 sections to the front, where they are easier to ignore. */
2170 compare_section_lma (const void *arg1, const void *arg2)
2172 const asection *const *sec1 = arg1;
2173 const asection *const *sec2 = arg2;
2174 flagword flags1, flags2;
2176 /* Sort non loadable sections to the front. */
2177 flags1 = (*sec1)->flags;
2178 flags2 = (*sec2)->flags;
2179 if ((flags1 & SEC_HAS_CONTENTS) == 0
2180 || (flags1 & SEC_LOAD) == 0)
2182 if ((flags2 & SEC_HAS_CONTENTS) != 0
2183 && (flags2 & SEC_LOAD) != 0)
2188 if ((flags2 & SEC_HAS_CONTENTS) == 0
2189 || (flags2 & SEC_LOAD) == 0)
2193 /* Sort sections by LMA. */
2194 if ((*sec1)->lma > (*sec2)->lma)
2196 else if ((*sec1)->lma < (*sec2)->lma)
2199 /* Sort sections with the same LMA by size. */
2200 if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2))
2202 else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2))
2208 /* Mark all the symbols which will be used in output relocations with
2209 the BSF_KEEP flag so that those symbols will not be stripped.
2211 Ignore relocations which will not appear in the output file. */
2214 mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg)
2216 asymbol **symbols = symbolsarg;
2221 /* Ignore an input section with no corresponding output section. */
2222 if (isection->output_section == NULL)
2225 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2228 /* Do not complain if the target does not support relocations. */
2229 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2231 bfd_fatal (bfd_get_filename (ibfd));
2237 relpp = xmalloc (relsize);
2238 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
2240 bfd_fatal (bfd_get_filename (ibfd));
2242 /* Examine each symbol used in a relocation. If it's not one of the
2243 special bfd section symbols, then mark it with BSF_KEEP. */
2244 for (i = 0; i < relcount; i++)
2246 if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol
2247 && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol
2248 && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol)
2249 (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
2256 /* Write out debugging information. */
2259 write_debugging_info (bfd *obfd, void *dhandle,
2260 long *symcountp ATTRIBUTE_UNUSED,
2261 asymbol ***symppp ATTRIBUTE_UNUSED)
2263 if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
2264 return write_ieee_debugging_info (obfd, dhandle);
2266 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
2267 || bfd_get_flavour (obfd) == bfd_target_elf_flavour)
2269 bfd_byte *syms, *strings;
2270 bfd_size_type symsize, stringsize;
2271 asection *stabsec, *stabstrsec;
2273 if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
2278 stabsec = bfd_make_section (obfd, ".stab");
2279 stabstrsec = bfd_make_section (obfd, ".stabstr");
2281 || stabstrsec == NULL
2282 || ! bfd_set_section_size (obfd, stabsec, symsize)
2283 || ! bfd_set_section_size (obfd, stabstrsec, stringsize)
2284 || ! bfd_set_section_alignment (obfd, stabsec, 2)
2285 || ! bfd_set_section_alignment (obfd, stabstrsec, 0)
2286 || ! bfd_set_section_flags (obfd, stabsec,
2290 || ! bfd_set_section_flags (obfd, stabstrsec,
2295 non_fatal (_("%s: can't create debugging section: %s"),
2296 bfd_get_filename (obfd),
2297 bfd_errmsg (bfd_get_error ()));
2301 /* We can get away with setting the section contents now because
2302 the next thing the caller is going to do is copy over the
2303 real sections. We may someday have to split the contents
2304 setting out of this function. */
2305 if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize)
2306 || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0,
2309 non_fatal (_("%s: can't set debugging section contents: %s"),
2310 bfd_get_filename (obfd),
2311 bfd_errmsg (bfd_get_error ()));
2318 non_fatal (_("%s: don't know how to write debugging information for %s"),
2319 bfd_get_filename (obfd), bfd_get_target (obfd));
2324 strip_main (int argc, char *argv[])
2326 char *input_target = NULL;
2327 char *output_target = NULL;
2328 bfd_boolean show_version = FALSE;
2329 bfd_boolean formats_info = FALSE;
2332 struct section_list *p;
2333 char *output_file = NULL;
2335 while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
2336 strip_options, (int *) 0)) != EOF)
2341 input_target = optarg;
2344 output_target = optarg;
2347 input_target = output_target = optarg;
2350 p = find_section_list (optarg, TRUE);
2352 sections_removed = TRUE;
2355 strip_symbols = STRIP_ALL;
2359 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
2360 strip_symbols = STRIP_DEBUG;
2362 case OPTION_STRIP_UNNEEDED:
2363 strip_symbols = STRIP_UNNEEDED;
2366 add_specific_symbol (optarg, &keep_specific_list);
2369 add_specific_symbol (optarg, &strip_specific_list);
2372 output_file = optarg;
2375 preserve_dates = TRUE;
2378 discard_locals = LOCALS_ALL;
2381 discard_locals = LOCALS_START_L;
2387 show_version = TRUE;
2389 case OPTION_FORMATS_INFO:
2390 formats_info = TRUE;
2392 case OPTION_ONLY_KEEP_DEBUG:
2393 strip_symbols = STRIP_NONDEBUG;
2396 /* We've been given a long option. */
2403 strip_usage (stdout, 0);
2405 strip_usage (stderr, 1);
2416 print_version ("strip");
2418 /* Default is to strip all symbols. */
2419 if (strip_symbols == STRIP_UNDEF
2420 && discard_locals == LOCALS_UNDEF
2421 && strip_specific_list == NULL)
2422 strip_symbols = STRIP_ALL;
2424 if (output_target == NULL)
2425 output_target = input_target;
2429 || (output_file != NULL && (i + 1) < argc))
2430 strip_usage (stderr, 1);
2432 for (; i < argc; i++)
2434 int hold_status = status;
2435 struct stat statbuf;
2438 if (get_file_size (argv[i]) < 1)
2442 /* No need to check the return value of stat().
2443 It has already been checked in get_file_size(). */
2444 stat (argv[i], &statbuf);
2446 if (output_file != NULL)
2447 tmpname = output_file;
2449 tmpname = make_tempname (argv[i]);
2452 copy_file (argv[i], tmpname, input_target, output_target);
2456 set_times (tmpname, &statbuf);
2457 if (output_file == NULL)
2458 smart_rename (tmpname, argv[i], preserve_dates);
2459 status = hold_status;
2462 unlink_if_ordinary (tmpname);
2463 if (output_file == NULL)
2471 copy_main (int argc, char *argv[])
2473 char * binary_architecture = NULL;
2474 char *input_filename = NULL;
2475 char *output_filename = NULL;
2476 char *input_target = NULL;
2477 char *output_target = NULL;
2478 bfd_boolean show_version = FALSE;
2479 bfd_boolean change_warn = TRUE;
2480 bfd_boolean formats_info = FALSE;
2482 struct section_list *p;
2483 struct stat statbuf;
2485 while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
2486 copy_options, (int *) 0)) != EOF)
2491 copy_byte = atoi (optarg);
2493 fatal (_("byte number must be non-negative"));
2497 binary_architecture = optarg;
2501 interleave = atoi (optarg);
2503 fatal (_("interleave must be positive"));
2507 case 's': /* "source" - 'I' is preferred */
2508 input_target = optarg;
2512 case 'd': /* "destination" - 'O' is preferred */
2513 output_target = optarg;
2517 input_target = output_target = optarg;
2521 p = find_section_list (optarg, TRUE);
2523 fatal (_("%s both copied and removed"), optarg);
2525 sections_copied = TRUE;
2529 p = find_section_list (optarg, TRUE);
2531 fatal (_("%s both copied and removed"), optarg);
2533 sections_removed = TRUE;
2537 strip_symbols = STRIP_ALL;
2541 strip_symbols = STRIP_DEBUG;
2544 case OPTION_STRIP_UNNEEDED:
2545 strip_symbols = STRIP_UNNEEDED;
2548 case OPTION_ONLY_KEEP_DEBUG:
2549 strip_symbols = STRIP_NONDEBUG;
2552 case OPTION_ADD_GNU_DEBUGLINK:
2553 gnu_debuglink_filename = optarg;
2557 add_specific_symbol (optarg, &keep_specific_list);
2561 add_specific_symbol (optarg, &strip_specific_list);
2564 case OPTION_STRIP_UNNEEDED_SYMBOL:
2565 add_specific_symbol (optarg, &strip_unneeded_list);
2569 add_specific_symbol (optarg, &localize_specific_list);
2572 case OPTION_GLOBALIZE_SYMBOL:
2573 add_specific_symbol (optarg, &globalize_specific_list);
2577 add_specific_symbol (optarg, &keepglobal_specific_list);
2581 add_specific_symbol (optarg, &weaken_specific_list);
2585 preserve_dates = TRUE;
2593 discard_locals = LOCALS_ALL;
2597 discard_locals = LOCALS_START_L;
2605 show_version = TRUE;
2608 case OPTION_FORMATS_INFO:
2609 formats_info = TRUE;
2616 case OPTION_ADD_SECTION:
2620 struct section_add *pa;
2625 s = strchr (optarg, '=');
2628 fatal (_("bad format for %s"), "--add-section");
2630 size = get_file_size (s + 1);
2634 pa = xmalloc (sizeof (struct section_add));
2637 name = xmalloc (len + 1);
2638 strncpy (name, optarg, len);
2642 pa->filename = s + 1;
2644 pa->contents = xmalloc (size);
2646 f = fopen (pa->filename, FOPEN_RB);
2649 fatal (_("cannot open: %s: %s"),
2650 pa->filename, strerror (errno));
2652 if (fread (pa->contents, 1, pa->size, f) == 0
2654 fatal (_("%s: fread failed"), pa->filename);
2658 pa->next = add_sections;
2663 case OPTION_CHANGE_START:
2664 change_start = parse_vma (optarg, "--change-start");
2667 case OPTION_CHANGE_SECTION_ADDRESS:
2668 case OPTION_CHANGE_SECTION_LMA:
2669 case OPTION_CHANGE_SECTION_VMA:
2674 char *option = NULL;
2676 enum change_action what = CHANGE_IGNORE;
2680 case OPTION_CHANGE_SECTION_ADDRESS:
2681 option = "--change-section-address";
2683 case OPTION_CHANGE_SECTION_LMA:
2684 option = "--change-section-lma";
2686 case OPTION_CHANGE_SECTION_VMA:
2687 option = "--change-section-vma";
2691 s = strchr (optarg, '=');
2694 s = strchr (optarg, '+');
2697 s = strchr (optarg, '-');
2699 fatal (_("bad format for %s"), option);
2704 name = xmalloc (len + 1);
2705 strncpy (name, optarg, len);
2708 p = find_section_list (name, TRUE);
2710 val = parse_vma (s + 1, option);
2714 case '=': what = CHANGE_SET; break;
2715 case '-': val = - val; /* Drop through. */
2716 case '+': what = CHANGE_MODIFY; break;
2721 case OPTION_CHANGE_SECTION_ADDRESS:
2722 p->change_vma = what;
2726 case OPTION_CHANGE_SECTION_LMA:
2727 p->change_lma = what;
2731 case OPTION_CHANGE_SECTION_VMA:
2732 p->change_vma = what;
2739 case OPTION_CHANGE_ADDRESSES:
2740 change_section_address = parse_vma (optarg, "--change-addresses");
2741 change_start = change_section_address;
2744 case OPTION_CHANGE_WARNINGS:
2748 case OPTION_CHANGE_LEADING_CHAR:
2749 change_leading_char = TRUE;
2752 case OPTION_DEBUGGING:
2753 convert_debugging = TRUE;
2756 case OPTION_GAP_FILL:
2758 bfd_vma gap_fill_vma;
2760 gap_fill_vma = parse_vma (optarg, "--gap-fill");
2761 gap_fill = (bfd_byte) gap_fill_vma;
2762 if ((bfd_vma) gap_fill != gap_fill_vma)
2766 sprintf_vma (buff, gap_fill_vma);
2768 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
2771 gap_fill_set = TRUE;
2775 case OPTION_NO_CHANGE_WARNINGS:
2776 change_warn = FALSE;
2780 pad_to = parse_vma (optarg, "--pad-to");
2784 case OPTION_REMOVE_LEADING_CHAR:
2785 remove_leading_char = TRUE;
2788 case OPTION_REDEFINE_SYM:
2790 /* Push this redefinition onto redefine_symbol_list. */
2794 const char *nextarg;
2795 char *source, *target;
2797 s = strchr (optarg, '=');
2799 fatal (_("bad format for %s"), "--redefine-sym");
2802 source = xmalloc (len + 1);
2803 strncpy (source, optarg, len);
2807 len = strlen (nextarg);
2808 target = xmalloc (len + 1);
2809 strcpy (target, nextarg);
2811 redefine_list_append ("--redefine-sym", source, target);
2818 case OPTION_REDEFINE_SYMS:
2819 add_redefine_syms_file (optarg);
2822 case OPTION_SET_SECTION_FLAGS:
2828 s = strchr (optarg, '=');
2830 fatal (_("bad format for %s"), "--set-section-flags");
2833 name = xmalloc (len + 1);
2834 strncpy (name, optarg, len);
2837 p = find_section_list (name, TRUE);
2839 p->set_flags = TRUE;
2840 p->flags = parse_flags (s + 1);
2844 case OPTION_RENAME_SECTION:
2847 const char *eq, *fl;
2852 eq = strchr (optarg, '=');
2854 fatal (_("bad format for %s"), "--rename-section");
2858 fatal (_("bad format for %s"), "--rename-section");
2860 old_name = xmalloc (len + 1);
2861 strncpy (old_name, optarg, len);
2865 fl = strchr (eq, ',');
2868 flags = parse_flags (fl + 1);
2878 fatal (_("bad format for %s"), "--rename-section");
2880 new_name = xmalloc (len + 1);
2881 strncpy (new_name, eq, len);
2884 add_section_rename (old_name, new_name, flags);
2888 case OPTION_SET_START:
2889 set_start = parse_vma (optarg, "--set-start");
2890 set_start_set = TRUE;
2893 case OPTION_SREC_LEN:
2894 Chunk = parse_vma (optarg, "--srec-len");
2897 case OPTION_SREC_FORCES3:
2901 case OPTION_STRIP_SYMBOLS:
2902 add_specific_symbols (optarg, &strip_specific_list);
2905 case OPTION_STRIP_UNNEEDED_SYMBOLS:
2906 add_specific_symbols (optarg, &strip_unneeded_list);
2909 case OPTION_KEEP_SYMBOLS:
2910 add_specific_symbols (optarg, &keep_specific_list);
2913 case OPTION_LOCALIZE_SYMBOLS:
2914 add_specific_symbols (optarg, &localize_specific_list);
2917 case OPTION_GLOBALIZE_SYMBOLS:
2918 add_specific_symbols (optarg, &globalize_specific_list);
2921 case OPTION_KEEPGLOBAL_SYMBOLS:
2922 add_specific_symbols (optarg, &keepglobal_specific_list);
2925 case OPTION_WEAKEN_SYMBOLS:
2926 add_specific_symbols (optarg, &weaken_specific_list);
2929 case OPTION_ALT_MACH_CODE:
2930 use_alt_mach_code = atoi (optarg);
2931 if (use_alt_mach_code <= 0)
2932 fatal (_("alternate machine code index must be positive"));
2935 case OPTION_PREFIX_SYMBOLS:
2936 prefix_symbols_string = optarg;
2939 case OPTION_PREFIX_SECTIONS:
2940 prefix_sections_string = optarg;
2943 case OPTION_PREFIX_ALLOC_SECTIONS:
2944 prefix_alloc_sections_string = optarg;
2947 case OPTION_READONLY_TEXT:
2948 bfd_flags_to_set |= WP_TEXT;
2949 bfd_flags_to_clear &= ~WP_TEXT;
2952 case OPTION_WRITABLE_TEXT:
2953 bfd_flags_to_clear |= WP_TEXT;
2954 bfd_flags_to_set &= ~WP_TEXT;
2958 bfd_flags_to_set |= D_PAGED;
2959 bfd_flags_to_clear &= ~D_PAGED;
2963 bfd_flags_to_clear |= D_PAGED;
2964 bfd_flags_to_set &= ~D_PAGED;
2968 /* We've been given a long option. */
2973 copy_usage (stdout, 0);
2976 copy_usage (stderr, 1);
2987 print_version ("objcopy");
2989 if (copy_byte >= interleave)
2990 fatal (_("byte number must be less than interleave"));
2992 if (optind == argc || optind + 2 < argc)
2993 copy_usage (stderr, 1);
2995 input_filename = argv[optind];
2996 if (optind + 1 < argc)
2997 output_filename = argv[optind + 1];
2999 /* Default is to strip no symbols. */
3000 if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF)
3001 strip_symbols = STRIP_NONE;
3003 if (output_target == NULL)
3004 output_target = input_target;
3006 if (binary_architecture != NULL)
3008 if (input_target && strcmp (input_target, "binary") == 0)
3010 const bfd_arch_info_type * temp_arch_info;
3012 temp_arch_info = bfd_scan_arch (binary_architecture);
3014 if (temp_arch_info != NULL)
3016 bfd_external_binary_architecture = temp_arch_info->arch;
3017 bfd_external_machine = temp_arch_info->mach;
3020 fatal (_("architecture %s unknown"), binary_architecture);
3024 non_fatal (_("Warning: input target 'binary' required for binary architecture parameter."));
3025 non_fatal (_(" Argument %s ignored"), binary_architecture);
3030 if (stat (input_filename, & statbuf) < 0)
3031 fatal (_("warning: could not locate '%s'. System error message: %s"),
3032 input_filename, strerror (errno));
3034 /* If there is no destination file, or the source and destination files
3035 are the same, then create a temp and rename the result into the input. */
3036 if (output_filename == NULL || strcmp (input_filename, output_filename) == 0)
3038 char *tmpname = make_tempname (input_filename);
3040 copy_file (input_filename, tmpname, input_target, output_target);
3044 set_times (tmpname, &statbuf);
3045 smart_rename (tmpname, input_filename, preserve_dates);
3052 copy_file (input_filename, output_filename, input_target, output_target);
3054 if (status == 0 && preserve_dates)
3055 set_times (output_filename, &statbuf);
3060 for (p = change_sections; p != NULL; p = p->next)
3064 if (p->change_vma != CHANGE_IGNORE)
3068 sprintf_vma (buff, p->vma_val);
3070 /* xgettext:c-format */
3071 non_fatal (_("%s %s%c0x%s never used"),
3072 "--change-section-vma",
3074 p->change_vma == CHANGE_SET ? '=' : '+',
3078 if (p->change_lma != CHANGE_IGNORE)
3082 sprintf_vma (buff, p->lma_val);
3084 /* xgettext:c-format */
3085 non_fatal (_("%s %s%c0x%s never used"),
3086 "--change-section-lma",
3088 p->change_lma == CHANGE_SET ? '=' : '+',
3099 main (int argc, char *argv[])
3101 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3102 setlocale (LC_MESSAGES, "");
3104 #if defined (HAVE_SETLOCALE)
3105 setlocale (LC_CTYPE, "");
3107 bindtextdomain (PACKAGE, LOCALEDIR);
3108 textdomain (PACKAGE);
3110 program_name = argv[0];
3111 xmalloc_set_program_name (program_name);
3113 START_PROGRESS (program_name, 0);
3115 strip_symbols = STRIP_UNDEF;
3116 discard_locals = LOCALS_UNDEF;
3119 set_default_bfd_target ();
3123 int i = strlen (program_name);
3124 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
3125 /* Drop the .exe suffix, if any. */
3126 if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0)
3129 program_name[i] = '\0';
3132 is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0);
3136 strip_main (argc, argv);
3138 copy_main (argc, argv);
3140 END_PROGRESS (program_name);