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, 2006
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"
35 /* A list of symbols to explicitly strip out, or to keep. A linked
36 list is good enough for a small number from the command line, but
37 this will slow things down a lot if many symbols are being
46 /* A list to support redefine_sym. */
51 struct redefine_node *next;
54 typedef struct section_rename
56 const char * old_name;
57 const char * new_name;
59 struct section_rename * next;
63 /* List of sections to be renamed. */
64 static section_rename *section_rename_list;
66 #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;}
68 static asymbol **isympp = NULL; /* Input symbols. */
69 static asymbol **osympp = NULL; /* Output symbols that survive stripping. */
71 /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
72 static int copy_byte = -1;
73 static int interleave = 4;
75 static bfd_boolean verbose; /* Print file and target names. */
76 static bfd_boolean preserve_dates; /* Preserve input file timestamp. */
77 static int status = 0; /* Exit status. */
82 STRIP_NONE, /* Don't strip. */
83 STRIP_DEBUG, /* Strip all debugger symbols. */
84 STRIP_UNNEEDED, /* Strip unnecessary symbols. */
85 STRIP_NONDEBUG, /* Strip everything but debug info. */
86 STRIP_ALL /* Strip all symbols. */
89 /* Which symbols to remove. */
90 static enum strip_action strip_symbols;
95 LOCALS_START_L, /* Discard locals starting with L. */
96 LOCALS_ALL /* Discard all locals. */
99 /* Which local symbols to remove. Overrides STRIP_ALL. */
100 static enum locals_action discard_locals;
102 /* What kind of change to perform. */
110 /* Structure used to hold lists of sections and actions to take. */
113 struct section_list * next; /* Next section to change. */
114 const char * name; /* Section name. */
115 bfd_boolean used; /* Whether this entry was used. */
116 bfd_boolean remove; /* Whether to remove this section. */
117 bfd_boolean copy; /* Whether to copy this section. */
118 enum change_action change_vma;/* Whether to change or set VMA. */
119 bfd_vma vma_val; /* Amount to change by or set to. */
120 enum change_action change_lma;/* Whether to change or set LMA. */
121 bfd_vma lma_val; /* Amount to change by or set to. */
122 bfd_boolean set_flags; /* Whether to set the section flags. */
123 flagword flags; /* What to set the section flags to. */
126 static struct section_list *change_sections;
128 /* TRUE if some sections are to be removed. */
129 static bfd_boolean sections_removed;
131 /* TRUE if only some sections are to be copied. */
132 static bfd_boolean sections_copied;
134 /* Changes to the start address. */
135 static bfd_vma change_start = 0;
136 static bfd_boolean set_start_set = FALSE;
137 static bfd_vma set_start;
139 /* Changes to section addresses. */
140 static bfd_vma change_section_address = 0;
142 /* Filling gaps between sections. */
143 static bfd_boolean gap_fill_set = FALSE;
144 static bfd_byte gap_fill = 0;
146 /* Pad to a given address. */
147 static bfd_boolean pad_to_set = FALSE;
148 static bfd_vma pad_to;
150 /* Use alternate machine code? */
151 static int use_alt_mach_code = 0;
153 /* Output BFD flags user wants to set or clear */
154 static flagword bfd_flags_to_set;
155 static flagword bfd_flags_to_clear;
157 /* List of sections to add. */
160 /* Next section to add. */
161 struct section_add *next;
162 /* Name of section to add. */
164 /* Name of file holding section contents. */
165 const char *filename;
168 /* Contents of file. */
170 /* BFD section, after it has been added. */
174 /* List of sections to add to the output BFD. */
175 static struct section_add *add_sections;
177 /* If non-NULL the argument to --add-gnu-debuglink.
178 This should be the filename to store in the .gnu_debuglink section. */
179 static const char * gnu_debuglink_filename = NULL;
181 /* Whether to convert debugging information. */
182 static bfd_boolean convert_debugging = FALSE;
184 /* Whether to change the leading character in symbol names. */
185 static bfd_boolean change_leading_char = FALSE;
187 /* Whether to remove the leading character from global symbol names. */
188 static bfd_boolean remove_leading_char = FALSE;
190 /* Whether to permit wildcard in symbol comparison. */
191 static bfd_boolean wildcard = FALSE;
193 /* List of symbols to strip, keep, localize, keep-global, weaken,
195 static struct symlist *strip_specific_list = NULL;
196 static struct symlist *strip_unneeded_list = NULL;
197 static struct symlist *keep_specific_list = NULL;
198 static struct symlist *localize_specific_list = NULL;
199 static struct symlist *globalize_specific_list = NULL;
200 static struct symlist *keepglobal_specific_list = NULL;
201 static struct symlist *weaken_specific_list = NULL;
202 static struct redefine_node *redefine_sym_list = NULL;
204 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
205 static bfd_boolean weaken = FALSE;
207 /* If this is TRUE, we retain BSF_FILE symbols. */
208 static bfd_boolean keep_file_symbols = FALSE;
210 /* Prefix symbols/sections. */
211 static char *prefix_symbols_string = 0;
212 static char *prefix_sections_string = 0;
213 static char *prefix_alloc_sections_string = 0;
215 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
216 enum command_line_switch
218 OPTION_ADD_SECTION=150,
219 OPTION_CHANGE_ADDRESSES,
220 OPTION_CHANGE_LEADING_CHAR,
222 OPTION_CHANGE_SECTION_ADDRESS,
223 OPTION_CHANGE_SECTION_LMA,
224 OPTION_CHANGE_SECTION_VMA,
225 OPTION_CHANGE_WARNINGS,
228 OPTION_NO_CHANGE_WARNINGS,
230 OPTION_REMOVE_LEADING_CHAR,
231 OPTION_SET_SECTION_FLAGS,
233 OPTION_STRIP_UNNEEDED,
236 OPTION_REDEFINE_SYMS,
239 OPTION_STRIP_SYMBOLS,
240 OPTION_STRIP_UNNEEDED_SYMBOL,
241 OPTION_STRIP_UNNEEDED_SYMBOLS,
243 OPTION_LOCALIZE_SYMBOLS,
244 OPTION_GLOBALIZE_SYMBOL,
245 OPTION_GLOBALIZE_SYMBOLS,
246 OPTION_KEEPGLOBAL_SYMBOLS,
247 OPTION_WEAKEN_SYMBOLS,
248 OPTION_RENAME_SECTION,
249 OPTION_ALT_MACH_CODE,
250 OPTION_PREFIX_SYMBOLS,
251 OPTION_PREFIX_SECTIONS,
252 OPTION_PREFIX_ALLOC_SECTIONS,
254 OPTION_ADD_GNU_DEBUGLINK,
255 OPTION_ONLY_KEEP_DEBUG,
256 OPTION_KEEP_FILE_SYMBOLS,
257 OPTION_READONLY_TEXT,
258 OPTION_WRITABLE_TEXT,
263 /* Options to handle if running as "strip". */
265 static struct option strip_options[] =
267 {"discard-all", no_argument, 0, 'x'},
268 {"discard-locals", no_argument, 0, 'X'},
269 {"format", required_argument, 0, 'F'}, /* Obsolete */
270 {"help", no_argument, 0, 'h'},
271 {"info", no_argument, 0, OPTION_FORMATS_INFO},
272 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
273 {"input-target", required_argument, 0, 'I'},
274 {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
275 {"keep-symbol", required_argument, 0, 'K'},
276 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
277 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
278 {"output-target", required_argument, 0, 'O'},
279 {"output-file", required_argument, 0, 'o'},
280 {"preserve-dates", no_argument, 0, 'p'},
281 {"remove-section", required_argument, 0, 'R'},
282 {"strip-all", no_argument, 0, 's'},
283 {"strip-debug", no_argument, 0, 'S'},
284 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
285 {"strip-symbol", required_argument, 0, 'N'},
286 {"target", required_argument, 0, 'F'},
287 {"verbose", no_argument, 0, 'v'},
288 {"version", no_argument, 0, 'V'},
289 {"wildcard", no_argument, 0, 'w'},
290 {0, no_argument, 0, 0}
293 /* Options to handle if running as "objcopy". */
295 static struct option copy_options[] =
297 {"add-gnu-debuglink", required_argument, 0, OPTION_ADD_GNU_DEBUGLINK},
298 {"add-section", required_argument, 0, OPTION_ADD_SECTION},
299 {"adjust-start", required_argument, 0, OPTION_CHANGE_START},
300 {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES},
301 {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
302 {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
303 {"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE},
304 {"binary-architecture", required_argument, 0, 'B'},
305 {"byte", required_argument, 0, 'b'},
306 {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES},
307 {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR},
308 {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
309 {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA},
310 {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA},
311 {"change-start", required_argument, 0, OPTION_CHANGE_START},
312 {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
313 {"debugging", no_argument, 0, OPTION_DEBUGGING},
314 {"discard-all", no_argument, 0, 'x'},
315 {"discard-locals", no_argument, 0, 'X'},
316 {"format", required_argument, 0, 'F'}, /* Obsolete */
317 {"gap-fill", required_argument, 0, OPTION_GAP_FILL},
318 {"globalize-symbol", required_argument, 0, OPTION_GLOBALIZE_SYMBOL},
319 {"globalize-symbols", required_argument, 0, OPTION_GLOBALIZE_SYMBOLS},
320 {"help", no_argument, 0, 'h'},
321 {"impure", no_argument, 0, OPTION_IMPURE},
322 {"info", no_argument, 0, OPTION_FORMATS_INFO},
323 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
324 {"input-target", required_argument, 0, 'I'},
325 {"interleave", required_argument, 0, 'i'},
326 {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
327 {"keep-global-symbol", required_argument, 0, 'G'},
328 {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
329 {"keep-symbol", required_argument, 0, 'K'},
330 {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS},
331 {"localize-symbol", required_argument, 0, 'L'},
332 {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS},
333 {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
334 {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
335 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
336 {"only-section", required_argument, 0, 'j'},
337 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
338 {"output-target", required_argument, 0, 'O'},
339 {"pad-to", required_argument, 0, OPTION_PAD_TO},
340 {"prefix-symbols", required_argument, 0, OPTION_PREFIX_SYMBOLS},
341 {"prefix-sections", required_argument, 0, OPTION_PREFIX_SECTIONS},
342 {"prefix-alloc-sections", required_argument, 0, OPTION_PREFIX_ALLOC_SECTIONS},
343 {"preserve-dates", no_argument, 0, 'p'},
344 {"pure", no_argument, 0, OPTION_PURE},
345 {"readonly-text", no_argument, 0, OPTION_READONLY_TEXT},
346 {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM},
347 {"redefine-syms", required_argument, 0, OPTION_REDEFINE_SYMS},
348 {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR},
349 {"remove-section", required_argument, 0, 'R'},
350 {"rename-section", required_argument, 0, OPTION_RENAME_SECTION},
351 {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
352 {"set-start", required_argument, 0, OPTION_SET_START},
353 {"srec-len", required_argument, 0, OPTION_SREC_LEN},
354 {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
355 {"strip-all", no_argument, 0, 'S'},
356 {"strip-debug", no_argument, 0, 'g'},
357 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
358 {"strip-unneeded-symbol", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOL},
359 {"strip-unneeded-symbols", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOLS},
360 {"strip-symbol", required_argument, 0, 'N'},
361 {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS},
362 {"target", required_argument, 0, 'F'},
363 {"verbose", no_argument, 0, 'v'},
364 {"version", no_argument, 0, 'V'},
365 {"weaken", no_argument, 0, OPTION_WEAKEN},
366 {"weaken-symbol", required_argument, 0, 'W'},
367 {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS},
368 {"wildcard", no_argument, 0, 'w'},
369 {"writable-text", no_argument, 0, OPTION_WRITABLE_TEXT},
370 {0, no_argument, 0, 0}
374 extern char *program_name;
376 /* This flag distinguishes between strip and objcopy:
377 1 means this is 'strip'; 0 means this is 'objcopy'.
378 -1 means if we should use argv[0] to decide. */
381 /* The maximum length of an S record. This variable is declared in srec.c
382 and can be modified by the --srec-len parameter. */
383 extern unsigned int Chunk;
385 /* Restrict the generation of Srecords to type S3 only.
386 This variable is declare in bfd/srec.c and can be toggled
387 on by the --srec-forceS3 command line switch. */
388 extern bfd_boolean S3Forced;
390 /* Defined in bfd/binary.c. Used to set architecture and machine of input
392 extern enum bfd_architecture bfd_external_binary_architecture;
393 extern unsigned long bfd_external_machine;
395 /* Forward declarations. */
396 static void setup_section (bfd *, asection *, void *);
397 static void setup_bfd_headers (bfd *, bfd *);
398 static void copy_section (bfd *, asection *, void *);
399 static void get_sections (bfd *, asection *, void *);
400 static int compare_section_lma (const void *, const void *);
401 static void mark_symbols_used_in_relocations (bfd *, asection *, void *);
402 static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***);
403 static const char *lookup_sym_redefinition (const char *);
406 copy_usage (FILE *stream, int exit_status)
408 fprintf (stream, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
409 fprintf (stream, _(" Copies a binary file, possibly transforming it in the process\n"));
410 fprintf (stream, _(" The options are:\n"));
411 fprintf (stream, _("\
412 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
413 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
414 -B --binary-architecture <arch> Set arch of output file, when input is binary\n\
415 -F --target <bfdname> Set both input and output format to <bfdname>\n\
416 --debugging Convert debugging information, if possible\n\
417 -p --preserve-dates Copy modified/access timestamps to the output\n\
418 -j --only-section <name> Only copy section <name> into the output\n\
419 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
420 -R --remove-section <name> Remove section <name> from the output\n\
421 -S --strip-all Remove all symbol and relocation information\n\
422 -g --strip-debug Remove all debugging symbols & sections\n\
423 --strip-unneeded Remove all symbols not needed by relocations\n\
424 -N --strip-symbol <name> Do not copy symbol <name>\n\
425 --strip-unneeded-symbol <name>\n\
426 Do not copy symbol <name> unless needed by\n\
428 --only-keep-debug Strip everything but the debug information\n\
429 -K --keep-symbol <name> Do not strip symbol <name>\n\
430 --keep-file-symbols Do not strip file symbol(s)\n\
431 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
432 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
433 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
434 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
435 --weaken Force all global symbols to be marked as weak\n\
436 -w --wildcard Permit wildcard in symbol comparison\n\
437 -x --discard-all Remove all non-global symbols\n\
438 -X --discard-locals Remove any compiler-generated symbols\n\
439 -i --interleave <number> Only copy one out of every <number> bytes\n\
440 -b --byte <num> Select byte <num> in every interleaved block\n\
441 --gap-fill <val> Fill gaps between sections with <val>\n\
442 --pad-to <addr> Pad the last section up to address <addr>\n\
443 --set-start <addr> Set the start address to <addr>\n\
444 {--change-start|--adjust-start} <incr>\n\
445 Add <incr> to the start address\n\
446 {--change-addresses|--adjust-vma} <incr>\n\
447 Add <incr> to LMA, VMA and start addresses\n\
448 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
449 Change LMA and VMA of section <name> by <val>\n\
450 --change-section-lma <name>{=|+|-}<val>\n\
451 Change the LMA of section <name> by <val>\n\
452 --change-section-vma <name>{=|+|-}<val>\n\
453 Change the VMA of section <name> by <val>\n\
454 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
455 Warn if a named section does not exist\n\
456 --set-section-flags <name>=<flags>\n\
457 Set section <name>'s properties to <flags>\n\
458 --add-section <name>=<file> Add section <name> found in <file> to output\n\
459 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
460 --change-leading-char Force output format's leading character style\n\
461 --remove-leading-char Remove leading character from global symbols\n\
462 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
463 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
465 --srec-len <number> Restrict the length of generated Srecords\n\
466 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
467 --strip-symbols <file> -N for all symbols listed in <file>\n\
468 --strip-unneeded-symbols <file>\n\
469 --strip-unneeded-symbol for all symbols listed\n\
471 --keep-symbols <file> -K for all symbols listed in <file>\n\
472 --localize-symbols <file> -L for all symbols listed in <file>\n\
473 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
474 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
475 --weaken-symbols <file> -W for all symbols listed in <file>\n\
476 --alt-machine-code <index> Use alternate machine code for output\n\
477 --writable-text Mark the output text as writable\n\
478 --readonly-text Make the output text write protected\n\
479 --pure Mark the output file as demand paged\n\
480 --impure Mark the output file as impure\n\
481 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
482 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
483 --prefix-alloc-sections <prefix>\n\
484 Add <prefix> to start of every allocatable\n\
486 -v --verbose List all object files modified\n\
487 @<file> Read options from <file>\n\
488 -V --version Display this program's version number\n\
489 -h --help Display this output\n\
490 --info List object formats & architectures supported\n\
492 list_supported_targets (program_name, stream);
493 if (exit_status == 0)
494 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
499 strip_usage (FILE *stream, int exit_status)
501 fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name);
502 fprintf (stream, _(" Removes symbols and sections from files\n"));
503 fprintf (stream, _(" The options are:\n"));
504 fprintf (stream, _("\
505 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
506 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
507 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
508 -p --preserve-dates Copy modified/access timestamps to the output\n\
509 -R --remove-section=<name> Remove section <name> from the output\n\
510 -s --strip-all Remove all symbol and relocation information\n\
511 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
512 --strip-unneeded Remove all symbols not needed by relocations\n\
513 --only-keep-debug Strip everything but the debug information\n\
514 -N --strip-symbol=<name> Do not copy symbol <name>\n\
515 -K --keep-symbol=<name> Do not strip symbol <name>\n\
516 --keep-file-symbols Do not strip file symbol(s)\n\
517 -w --wildcard Permit wildcard in symbol comparison\n\
518 -x --discard-all Remove all non-global symbols\n\
519 -X --discard-locals Remove any compiler-generated symbols\n\
520 -v --verbose List all object files modified\n\
521 -V --version Display this program's version number\n\
522 -h --help Display this output\n\
523 --info List object formats & architectures supported\n\
524 -o <file> Place stripped output into <file>\n\
527 list_supported_targets (program_name, stream);
528 if (exit_status == 0)
529 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
533 /* Parse section flags into a flagword, with a fatal error if the
534 string can't be parsed. */
537 parse_flags (const char *s)
547 snext = strchr (s, ',');
557 #define PARSE_FLAG(fname,fval) \
558 else if (strncasecmp (fname, s, len) == 0) ret |= fval
559 PARSE_FLAG ("alloc", SEC_ALLOC);
560 PARSE_FLAG ("load", SEC_LOAD);
561 PARSE_FLAG ("noload", SEC_NEVER_LOAD);
562 PARSE_FLAG ("readonly", SEC_READONLY);
563 PARSE_FLAG ("debug", SEC_DEBUGGING);
564 PARSE_FLAG ("code", SEC_CODE);
565 PARSE_FLAG ("data", SEC_DATA);
566 PARSE_FLAG ("rom", SEC_ROM);
567 PARSE_FLAG ("share", SEC_COFF_SHARED);
568 PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
574 copy = xmalloc (len + 1);
575 strncpy (copy, s, len);
577 non_fatal (_("unrecognized section flag `%s'"), copy);
578 fatal (_("supported flags: %s"),
579 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
589 /* Find and optionally add an entry in the change_sections list. */
591 static struct section_list *
592 find_section_list (const char *name, bfd_boolean add)
594 struct section_list *p;
596 for (p = change_sections; p != NULL; p = p->next)
597 if (strcmp (p->name, name) == 0)
603 p = xmalloc (sizeof (struct section_list));
608 p->change_vma = CHANGE_IGNORE;
609 p->change_lma = CHANGE_IGNORE;
612 p->set_flags = FALSE;
615 p->next = change_sections;
621 /* Add a symbol to strip_specific_list. */
624 add_specific_symbol (const char *name, struct symlist **list)
626 struct symlist *tmp_list;
628 tmp_list = xmalloc (sizeof (struct symlist));
629 tmp_list->name = name;
630 tmp_list->next = *list;
634 /* Add symbols listed in `filename' to strip_specific_list. */
636 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
637 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
640 add_specific_symbols (const char *filename, struct symlist **list)
646 unsigned int line_count;
648 size = get_file_size (filename);
652 buffer = xmalloc (size + 2);
653 f = fopen (filename, FOPEN_RT);
655 fatal (_("cannot open '%s': %s"), filename, strerror (errno));
657 if (fread (buffer, 1, size, f) == 0 || ferror (f))
658 fatal (_("%s: fread failed"), filename);
661 buffer [size] = '\n';
662 buffer [size + 1] = '\0';
666 for (line = buffer; * line != '\0'; line ++)
671 int finished = FALSE;
673 for (eol = line;; eol ++)
679 /* Cope with \n\r. */
687 /* Cope with \r\n. */
698 /* Line comment, Terminate the line here, in case a
699 name is present and then allow the rest of the
700 loop to find the real end of the line. */
712 /* A name may now exist somewhere between 'line' and 'eol'.
713 Strip off leading whitespace and trailing whitespace,
714 then add it to the list. */
715 for (name = line; IS_WHITESPACE (* name); name ++)
717 for (name_end = name;
718 (! IS_WHITESPACE (* name_end))
719 && (! IS_LINE_TERMINATOR (* name_end));
723 if (! IS_LINE_TERMINATOR (* name_end))
727 for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++)
730 if (! IS_LINE_TERMINATOR (* extra))
731 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
732 filename, line_count);
738 add_specific_symbol (name, list);
740 /* Advance line pointer to end of line. The 'eol ++' in the for
741 loop above will then advance us to the start of the next line. */
747 /* See whether a symbol should be stripped or kept based on
748 strip_specific_list and keep_symbols. */
751 is_specified_symbol (const char *name, struct symlist *list)
753 struct symlist *tmp_list;
757 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
758 if (*(tmp_list->name) != '!')
760 if (!fnmatch (tmp_list->name, name, 0))
765 if (fnmatch (tmp_list->name + 1, name, 0))
771 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
772 if (strcmp (name, tmp_list->name) == 0)
779 /* See if a section is being removed. */
782 is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
784 if (sections_removed || sections_copied)
786 struct section_list *p;
788 p = find_section_list (bfd_get_section_name (abfd, sec), FALSE);
790 if (sections_removed && p != NULL && p->remove)
792 if (sections_copied && (p == NULL || ! p->copy))
796 if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0)
798 if (strip_symbols == STRIP_DEBUG
799 || strip_symbols == STRIP_UNNEEDED
800 || strip_symbols == STRIP_ALL
801 || discard_locals == LOCALS_ALL
802 || convert_debugging)
805 if (strip_symbols == STRIP_NONDEBUG)
812 /* Choose which symbol entries to copy; put the result in OSYMS.
813 We don't copy in place, because that confuses the relocs.
814 Return the number of symbols to print. */
817 filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
818 asymbol **isyms, long symcount)
820 asymbol **from = isyms, **to = osyms;
821 long src_count = 0, dst_count = 0;
822 int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC))
825 for (; src_count < symcount; src_count++)
827 asymbol *sym = from[src_count];
828 flagword flags = sym->flags;
829 char *name = (char *) bfd_asymbol_name (sym);
831 bfd_boolean undefined;
832 bfd_boolean rem_leading_char;
833 bfd_boolean add_leading_char;
835 undefined = bfd_is_und_section (bfd_get_section (sym));
837 if (redefine_sym_list)
839 char *old_name, *new_name;
841 old_name = (char *) bfd_asymbol_name (sym);
842 new_name = (char *) lookup_sym_redefinition (old_name);
843 bfd_asymbol_name (sym) = new_name;
847 /* Check if we will remove the current leading character. */
849 (name[0] == bfd_get_symbol_leading_char (abfd))
850 && (change_leading_char
851 || (remove_leading_char
852 && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
854 || bfd_is_com_section (bfd_get_section (sym)))));
856 /* Check if we will add a new leading character. */
859 && (bfd_get_symbol_leading_char (obfd) != '\0')
860 && (bfd_get_symbol_leading_char (abfd) == '\0'
861 || (name[0] == bfd_get_symbol_leading_char (abfd)));
863 /* Short circuit for change_leading_char if we can do it in-place. */
864 if (rem_leading_char && add_leading_char && !prefix_symbols_string)
866 name[0] = bfd_get_symbol_leading_char (obfd);
867 bfd_asymbol_name (sym) = name;
868 rem_leading_char = FALSE;
869 add_leading_char = FALSE;
872 /* Remove leading char. */
873 if (rem_leading_char)
874 bfd_asymbol_name (sym) = ++name;
876 /* Add new leading char and/or prefix. */
877 if (add_leading_char || prefix_symbols_string)
881 ptr = n = xmalloc (1 + strlen (prefix_symbols_string)
882 + strlen (name) + 1);
883 if (add_leading_char)
884 *ptr++ = bfd_get_symbol_leading_char (obfd);
886 if (prefix_symbols_string)
888 strcpy (ptr, prefix_symbols_string);
889 ptr += strlen (prefix_symbols_string);
893 bfd_asymbol_name (sym) = n;
897 if (strip_symbols == STRIP_ALL)
899 else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
900 || ((flags & BSF_SECTION_SYM) != 0
901 && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
904 else if (relocatable /* Relocatable file. */
905 && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0)
907 else if (bfd_decode_symclass (sym) == 'I')
908 /* Global symbols in $idata sections need to be retained
909 even if relocatable is FALSE. External users of the
910 library containing the $idata section may reference these
913 else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
914 || (flags & BSF_WEAK) != 0
916 || bfd_is_com_section (bfd_get_section (sym)))
917 keep = strip_symbols != STRIP_UNNEEDED;
918 else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
919 keep = (strip_symbols != STRIP_DEBUG
920 && strip_symbols != STRIP_UNNEEDED
921 && ! convert_debugging);
922 else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym)))
923 /* COMDAT sections store special information in local
924 symbols, so we cannot risk stripping any of them. */
926 else /* Local symbol. */
927 keep = (strip_symbols != STRIP_UNNEEDED
928 && (discard_locals != LOCALS_ALL
929 && (discard_locals != LOCALS_START_L
930 || ! bfd_is_local_label (abfd, sym))));
932 if (keep && is_specified_symbol (name, strip_specific_list))
935 && !(flags & BSF_KEEP)
936 && is_specified_symbol (name, strip_unneeded_list))
939 && ((keep_file_symbols && (flags & BSF_FILE))
940 || is_specified_symbol (name, keep_specific_list)))
942 if (keep && is_strip_section (abfd, bfd_get_section (sym)))
947 if ((flags & BSF_GLOBAL) != 0
948 && (weaken || is_specified_symbol (name, weaken_specific_list)))
950 sym->flags &= ~ BSF_GLOBAL;
951 sym->flags |= BSF_WEAK;
955 && (flags & (BSF_GLOBAL | BSF_WEAK))
956 && (is_specified_symbol (name, localize_specific_list)
957 || (keepglobal_specific_list != NULL
958 && ! is_specified_symbol (name, keepglobal_specific_list))))
960 sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK);
961 sym->flags |= BSF_LOCAL;
965 && (flags & BSF_LOCAL)
966 && is_specified_symbol (name, globalize_specific_list))
968 sym->flags &= ~ BSF_LOCAL;
969 sym->flags |= BSF_GLOBAL;
972 to[dst_count++] = sym;
976 to[dst_count] = NULL;
981 /* Find the redefined name of symbol SOURCE. */
984 lookup_sym_redefinition (const char *source)
986 struct redefine_node *list;
988 for (list = redefine_sym_list; list != NULL; list = list->next)
989 if (strcmp (source, list->source) == 0)
995 /* Add a node to a symbol redefine list. */
998 redefine_list_append (const char *cause, const char *source, const char *target)
1000 struct redefine_node **p;
1001 struct redefine_node *list;
1002 struct redefine_node *new_node;
1004 for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next)
1006 if (strcmp (source, list->source) == 0)
1007 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
1010 if (strcmp (target, list->target) == 0)
1011 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1015 new_node = xmalloc (sizeof (struct redefine_node));
1017 new_node->source = strdup (source);
1018 new_node->target = strdup (target);
1019 new_node->next = NULL;
1024 /* Handle the --redefine-syms option. Read lines containing "old new"
1025 from the file, and add them to the symbol redefine list. */
1028 add_redefine_syms_file (const char *filename)
1037 file = fopen (filename, "r");
1039 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1040 filename, strerror (errno));
1043 buf = xmalloc (bufsize);
1051 /* Collect the input symbol name. */
1052 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1060 buf = xrealloc (buf, bufsize);
1068 /* Eat white space between the symbol names. */
1069 while (IS_WHITESPACE (c))
1071 if (c == '#' || IS_LINE_TERMINATOR (c))
1076 /* Collect the output symbol name. */
1078 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1086 buf = xrealloc (buf, bufsize);
1094 /* Eat white space at end of line. */
1095 while (! IS_LINE_TERMINATOR(c) && c != EOF && IS_WHITESPACE (c))
1100 if ((c == '\r' && (c = getc (file)) == '\n')
1101 || c == '\n' || c == EOF)
1104 /* Append the redefinition to the list. */
1106 redefine_list_append (filename, &buf[0], &buf[outsym_off]);
1117 fatal (_("%s:%d: garbage found at end of line"), filename, lineno);
1119 if (len != 0 && (outsym_off == 0 || outsym_off == len))
1120 fatal (_("%s:%d: missing new symbol name"), filename, lineno);
1123 /* Eat the rest of the line and finish it. */
1124 while (c != '\n' && c != EOF)
1130 fatal (_("%s:%d: premature end of file"), filename, lineno);
1135 /* Copy unkown object file IBFD onto OBFD.
1136 Returns TRUE upon success, FALSE otherwise. */
1139 copy_unknown_object (bfd *ibfd, bfd *obfd)
1147 if (bfd_stat_arch_elt (ibfd, &buf) != 0)
1149 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1156 non_fatal (_("stat returns negative size for `%s'"),
1157 bfd_get_archive_filename (ibfd));
1161 if (bfd_seek (ibfd, (file_ptr) 0, SEEK_SET) != 0)
1163 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1168 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1169 bfd_get_archive_filename (ibfd), bfd_get_filename (obfd));
1171 cbuf = xmalloc (BUFSIZE);
1173 while (ncopied < size)
1175 tocopy = size - ncopied;
1176 if (tocopy > BUFSIZE)
1179 if (bfd_bread (cbuf, (bfd_size_type) tocopy, ibfd)
1180 != (bfd_size_type) tocopy)
1182 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1187 if (bfd_bwrite (cbuf, (bfd_size_type) tocopy, obfd)
1188 != (bfd_size_type) tocopy)
1190 bfd_nonfatal (bfd_get_filename (obfd));
1198 chmod (bfd_get_filename (obfd), buf.st_mode);
1203 /* Copy object file IBFD onto OBFD.
1204 Returns TRUE upon success, FALSE otherwise. */
1207 copy_object (bfd *ibfd, bfd *obfd)
1211 asection **osections = NULL;
1212 asection *gnu_debuglink_section = NULL;
1213 bfd_size_type *gaps = NULL;
1214 bfd_size_type max_gap = 0;
1217 enum bfd_architecture iarch;
1220 if (ibfd->xvec->byteorder != obfd->xvec->byteorder
1221 && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
1222 && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
1223 fatal (_("Unable to change endianness of input file(s)"));
1225 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1227 bfd_nonfatal (bfd_get_filename (obfd));
1232 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1233 bfd_get_archive_filename (ibfd), bfd_get_target (ibfd),
1234 bfd_get_filename (obfd), bfd_get_target (obfd));
1239 start = bfd_get_start_address (ibfd);
1240 start += change_start;
1242 /* Neither the start address nor the flags
1243 need to be set for a core file. */
1244 if (bfd_get_format (obfd) != bfd_core)
1248 flags = bfd_get_file_flags (ibfd);
1249 flags |= bfd_flags_to_set;
1250 flags &= ~bfd_flags_to_clear;
1251 flags &= bfd_applicable_file_flags (obfd);
1253 if (!bfd_set_start_address (obfd, start)
1254 || !bfd_set_file_flags (obfd, flags))
1256 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1261 /* Copy architecture of input file to output file. */
1262 iarch = bfd_get_arch (ibfd);
1263 imach = bfd_get_mach (ibfd);
1264 if (!bfd_set_arch_mach (obfd, iarch, imach)
1265 && (ibfd->target_defaulted
1266 || bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
1268 if (bfd_get_arch (ibfd) == bfd_arch_unknown)
1269 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1270 bfd_get_archive_filename (ibfd));
1272 non_fatal (_("Warning: Output file cannot represent architecture `%s'"),
1273 bfd_printable_arch_mach (bfd_get_arch (ibfd),
1274 bfd_get_mach (ibfd)));
1278 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1280 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1287 if (osympp != isympp)
1293 /* BFD mandates that all output sections be created and sizes set before
1294 any output is done. Thus, we traverse all sections multiple times. */
1295 bfd_map_over_sections (ibfd, setup_section, obfd);
1297 setup_bfd_headers (ibfd, obfd);
1299 if (add_sections != NULL)
1301 struct section_add *padd;
1302 struct section_list *pset;
1304 for (padd = add_sections; padd != NULL; padd = padd->next)
1308 pset = find_section_list (padd->name, FALSE);
1312 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
1313 if (pset != NULL && pset->set_flags)
1314 flags = pset->flags | SEC_HAS_CONTENTS;
1316 padd->section = bfd_make_section_with_flags (obfd, padd->name, flags);
1317 if (padd->section == NULL)
1319 non_fatal (_("can't create section `%s': %s"),
1320 padd->name, bfd_errmsg (bfd_get_error ()));
1324 if (! bfd_set_section_size (obfd, padd->section, padd->size))
1326 bfd_nonfatal (bfd_get_filename (obfd));
1332 if (pset->change_vma != CHANGE_IGNORE)
1333 if (! bfd_set_section_vma (obfd, padd->section,
1336 bfd_nonfatal (bfd_get_filename (obfd));
1340 if (pset->change_lma != CHANGE_IGNORE)
1342 padd->section->lma = pset->lma_val;
1344 if (! bfd_set_section_alignment
1345 (obfd, padd->section,
1346 bfd_section_alignment (obfd, padd->section)))
1348 bfd_nonfatal (bfd_get_filename (obfd));
1356 if (gnu_debuglink_filename != NULL)
1358 gnu_debuglink_section = bfd_create_gnu_debuglink_section
1359 (obfd, gnu_debuglink_filename);
1361 if (gnu_debuglink_section == NULL)
1363 bfd_nonfatal (gnu_debuglink_filename);
1367 /* Special processing for PE format files. We
1368 have no way to distinguish PE from COFF here. */
1369 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour)
1371 bfd_vma debuglink_vma;
1372 asection * highest_section;
1375 /* The PE spec requires that all sections be adjacent and sorted
1376 in ascending order of VMA. It also specifies that debug
1377 sections should be last. This is despite the fact that debug
1378 sections are not loaded into memory and so in theory have no
1381 This means that the debuglink section must be given a non-zero
1382 VMA which makes it contiguous with other debug sections. So
1383 walk the current section list, find the section with the
1384 highest VMA and start the debuglink section after that one. */
1385 for (sec = obfd->sections, highest_section = NULL;
1389 && (highest_section == NULL
1390 || sec->vma > highest_section->vma))
1391 highest_section = sec;
1393 if (highest_section)
1394 debuglink_vma = BFD_ALIGN (highest_section->vma
1395 + highest_section->size,
1396 /* FIXME: We ought to be using
1397 COFF_PAGE_SIZE here or maybe
1398 bfd_get_section_alignment() (if it
1399 was set) but since this is for PE
1400 and we know the required alignment
1401 it is easier just to hard code it. */
1404 /* Umm, not sure what to do in this case. */
1405 debuglink_vma = 0x1000;
1407 bfd_set_section_vma (obfd, gnu_debuglink_section, debuglink_vma);
1411 if (bfd_count_sections (obfd) == 0)
1413 non_fatal (_("there are no sections to be copied!"));
1417 if (gap_fill_set || pad_to_set)
1422 /* We must fill in gaps between the sections and/or we must pad
1423 the last section to a specified address. We do this by
1424 grabbing a list of the sections, sorting them by VMA, and
1425 increasing the section sizes as required to fill the gaps.
1426 We write out the gap contents below. */
1428 c = bfd_count_sections (obfd);
1429 osections = xmalloc (c * sizeof (asection *));
1431 bfd_map_over_sections (obfd, get_sections, &set);
1433 qsort (osections, c, sizeof (asection *), compare_section_lma);
1435 gaps = xmalloc (c * sizeof (bfd_size_type));
1436 memset (gaps, 0, c * sizeof (bfd_size_type));
1440 for (i = 0; i < c - 1; i++)
1444 bfd_vma gap_start, gap_stop;
1446 flags = bfd_get_section_flags (obfd, osections[i]);
1447 if ((flags & SEC_HAS_CONTENTS) == 0
1448 || (flags & SEC_LOAD) == 0)
1451 size = bfd_section_size (obfd, osections[i]);
1452 gap_start = bfd_section_lma (obfd, osections[i]) + size;
1453 gap_stop = bfd_section_lma (obfd, osections[i + 1]);
1454 if (gap_start < gap_stop)
1456 if (! bfd_set_section_size (obfd, osections[i],
1457 size + (gap_stop - gap_start)))
1459 non_fatal (_("Can't fill gap after %s: %s"),
1460 bfd_get_section_name (obfd, osections[i]),
1461 bfd_errmsg (bfd_get_error ()));
1465 gaps[i] = gap_stop - gap_start;
1466 if (max_gap < gap_stop - gap_start)
1467 max_gap = gap_stop - gap_start;
1477 lma = bfd_section_lma (obfd, osections[c - 1]);
1478 size = bfd_section_size (obfd, osections[c - 1]);
1479 if (lma + size < pad_to)
1481 if (! bfd_set_section_size (obfd, osections[c - 1],
1484 non_fatal (_("Can't add padding to %s: %s"),
1485 bfd_get_section_name (obfd, osections[c - 1]),
1486 bfd_errmsg (bfd_get_error ()));
1491 gaps[c - 1] = pad_to - (lma + size);
1492 if (max_gap < pad_to - (lma + size))
1493 max_gap = pad_to - (lma + size);
1499 /* Symbol filtering must happen after the output sections
1500 have been created, but before their contents are set. */
1502 symsize = bfd_get_symtab_upper_bound (ibfd);
1505 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1509 osympp = isympp = xmalloc (symsize);
1510 symcount = bfd_canonicalize_symtab (ibfd, isympp);
1513 bfd_nonfatal (bfd_get_filename (ibfd));
1517 if (convert_debugging)
1518 dhandle = read_debugging_info (ibfd, isympp, symcount);
1520 if (strip_symbols == STRIP_DEBUG
1521 || strip_symbols == STRIP_ALL
1522 || strip_symbols == STRIP_UNNEEDED
1523 || strip_symbols == STRIP_NONDEBUG
1524 || discard_locals != LOCALS_UNDEF
1525 || strip_specific_list != NULL
1526 || keep_specific_list != NULL
1527 || localize_specific_list != NULL
1528 || globalize_specific_list != NULL
1529 || keepglobal_specific_list != NULL
1530 || weaken_specific_list != NULL
1531 || prefix_symbols_string
1534 || convert_debugging
1535 || change_leading_char
1536 || remove_leading_char
1537 || redefine_sym_list
1540 /* Mark symbols used in output relocations so that they
1541 are kept, even if they are local labels or static symbols.
1543 Note we iterate over the input sections examining their
1544 relocations since the relocations for the output sections
1545 haven't been set yet. mark_symbols_used_in_relocations will
1546 ignore input sections which have no corresponding output
1548 if (strip_symbols != STRIP_ALL)
1549 bfd_map_over_sections (ibfd,
1550 mark_symbols_used_in_relocations,
1552 osympp = xmalloc ((symcount + 1) * sizeof (asymbol *));
1553 symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
1556 if (convert_debugging && dhandle != NULL)
1558 if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
1565 bfd_set_symtab (obfd, osympp, symcount);
1567 /* This has to happen after the symbol table has been set. */
1568 bfd_map_over_sections (ibfd, copy_section, obfd);
1570 if (add_sections != NULL)
1572 struct section_add *padd;
1574 for (padd = add_sections; padd != NULL; padd = padd->next)
1576 if (! bfd_set_section_contents (obfd, padd->section, padd->contents,
1579 bfd_nonfatal (bfd_get_filename (obfd));
1585 if (gnu_debuglink_filename != NULL)
1587 if (! bfd_fill_in_gnu_debuglink_section
1588 (obfd, gnu_debuglink_section, gnu_debuglink_filename))
1590 bfd_nonfatal (gnu_debuglink_filename);
1595 if (gap_fill_set || pad_to_set)
1600 /* Fill in the gaps. */
1603 buf = xmalloc (max_gap);
1604 memset (buf, gap_fill, max_gap);
1606 c = bfd_count_sections (obfd);
1607 for (i = 0; i < c; i++)
1615 off = bfd_section_size (obfd, osections[i]) - left;
1626 if (! bfd_set_section_contents (obfd, osections[i], buf,
1629 bfd_nonfatal (bfd_get_filename (obfd));
1640 /* Allow the BFD backend to copy any private data it understands
1641 from the input BFD to the output BFD. This is done last to
1642 permit the routine to look at the filtered symbol table, which is
1643 important for the ECOFF code at least. */
1644 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
1645 && strip_symbols == STRIP_NONDEBUG)
1646 /* Do not copy the private data when creating an ELF format
1647 debug info file. We do not want the program headers. */
1649 else if (! bfd_copy_private_bfd_data (ibfd, obfd))
1651 non_fatal (_("%s: error copying private BFD data: %s"),
1652 bfd_get_filename (obfd),
1653 bfd_errmsg (bfd_get_error ()));
1657 /* Switch to the alternate machine code. We have to do this at the
1658 very end, because we only initialize the header when we create
1659 the first section. */
1660 if (use_alt_mach_code != 0
1661 && ! bfd_alt_mach_code (obfd, use_alt_mach_code))
1662 non_fatal (_("unknown alternate machine code, ignored"));
1668 #if defined (_WIN32) && !defined (__CYGWIN32__)
1669 #define MKDIR(DIR, MODE) mkdir (DIR)
1671 #define MKDIR(DIR, MODE) mkdir (DIR, MODE)
1674 /* Read each archive element in turn from IBFD, copy the
1675 contents to temp file, and keep the temp file handle. */
1678 copy_archive (bfd *ibfd, bfd *obfd, const char *output_target)
1682 struct name_list *next;
1686 bfd **ptr = &obfd->archive_head;
1688 char *dir = make_tempname (bfd_get_filename (obfd));
1690 /* Make a temp directory to hold the contents. */
1691 if (MKDIR (dir, 0700) != 0)
1692 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1693 dir, strerror (errno));
1695 obfd->has_armap = ibfd->has_armap;
1699 this_element = bfd_openr_next_archived_file (ibfd, NULL);
1701 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1702 RETURN_NONFATAL (bfd_get_filename (obfd));
1704 while (!status && this_element != NULL)
1710 int stat_status = 0;
1711 bfd_boolean delete = TRUE;
1713 /* Create an output file for this member. */
1714 output_name = concat (dir, "/",
1715 bfd_get_filename (this_element), (char *) 0);
1717 /* If the file already exists, make another temp dir. */
1718 if (stat (output_name, &buf) >= 0)
1720 output_name = make_tempname (output_name);
1721 if (MKDIR (output_name, 0700) != 0)
1722 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1723 output_name, strerror (errno));
1725 l = xmalloc (sizeof (struct name_list));
1726 l->name = output_name;
1730 output_name = concat (output_name, "/",
1731 bfd_get_filename (this_element), (char *) 0);
1734 output_bfd = bfd_openw (output_name, output_target);
1737 stat_status = bfd_stat_arch_elt (this_element, &buf);
1739 if (stat_status != 0)
1740 non_fatal (_("internal stat error on %s"),
1741 bfd_get_filename (this_element));
1744 l = xmalloc (sizeof (struct name_list));
1745 l->name = output_name;
1750 if (output_bfd == NULL)
1751 RETURN_NONFATAL (output_name);
1753 if (bfd_check_format (this_element, bfd_object))
1755 delete = ! copy_object (this_element, output_bfd);
1758 || bfd_get_arch (this_element) != bfd_arch_unknown)
1760 if (!bfd_close (output_bfd))
1762 bfd_nonfatal (bfd_get_filename (output_bfd));
1763 /* Error in new object file. Don't change archive. */
1768 goto copy_unknown_element;
1772 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1773 bfd_get_archive_filename (this_element));
1775 copy_unknown_element:
1776 delete = !copy_unknown_object (this_element, output_bfd);
1777 if (!bfd_close_all_done (output_bfd))
1779 bfd_nonfatal (bfd_get_filename (output_bfd));
1780 /* Error in new object file. Don't change archive. */
1787 unlink (output_name);
1792 if (preserve_dates && stat_status == 0)
1793 set_times (output_name, &buf);
1795 /* Open the newly output file and attach to our list. */
1796 output_bfd = bfd_openr (output_name, output_target);
1798 l->obfd = output_bfd;
1801 ptr = &output_bfd->next;
1803 last_element = this_element;
1805 this_element = bfd_openr_next_archived_file (ibfd, last_element);
1807 bfd_close (last_element);
1812 if (!bfd_close (obfd))
1813 RETURN_NONFATAL (bfd_get_filename (obfd));
1815 if (!bfd_close (ibfd))
1816 RETURN_NONFATAL (bfd_get_filename (ibfd));
1818 /* Delete all the files that we opened. */
1819 for (l = list; l != NULL; l = l->next)
1821 if (l->obfd == NULL)
1825 bfd_close (l->obfd);
1832 /* The top-level control. */
1835 copy_file (const char *input_filename, const char *output_filename,
1836 const char *input_target, const char *output_target)
1839 char **obj_matching;
1840 char **core_matching;
1842 if (get_file_size (input_filename) < 1)
1844 non_fatal (_("error: the input file '%s' is empty"), input_filename);
1849 /* To allow us to do "strip *" without dying on the first
1850 non-object file, failures are nonfatal. */
1851 ibfd = bfd_openr (input_filename, input_target);
1853 RETURN_NONFATAL (input_filename);
1855 if (bfd_check_format (ibfd, bfd_archive))
1859 /* bfd_get_target does not return the correct value until
1860 bfd_check_format succeeds. */
1861 if (output_target == NULL)
1862 output_target = bfd_get_target (ibfd);
1864 obfd = bfd_openw (output_filename, output_target);
1866 RETURN_NONFATAL (output_filename);
1868 copy_archive (ibfd, obfd, output_target);
1870 else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
1875 /* bfd_get_target does not return the correct value until
1876 bfd_check_format succeeds. */
1877 if (output_target == NULL)
1878 output_target = bfd_get_target (ibfd);
1880 obfd = bfd_openw (output_filename, output_target);
1882 RETURN_NONFATAL (output_filename);
1884 if (! copy_object (ibfd, obfd))
1887 if (!bfd_close (obfd))
1888 RETURN_NONFATAL (output_filename);
1890 if (!bfd_close (ibfd))
1891 RETURN_NONFATAL (input_filename);
1896 bfd_error_type obj_error = bfd_get_error ();
1897 bfd_error_type core_error;
1899 if (bfd_check_format_matches (ibfd, bfd_core, &core_matching))
1901 /* This probably can't happen.. */
1902 if (obj_error == bfd_error_file_ambiguously_recognized)
1903 free (obj_matching);
1907 core_error = bfd_get_error ();
1908 /* Report the object error in preference to the core error. */
1909 if (obj_error != core_error)
1910 bfd_set_error (obj_error);
1912 bfd_nonfatal (input_filename);
1914 if (obj_error == bfd_error_file_ambiguously_recognized)
1916 list_matching_formats (obj_matching);
1917 free (obj_matching);
1919 if (core_error == bfd_error_file_ambiguously_recognized)
1921 list_matching_formats (core_matching);
1922 free (core_matching);
1929 /* Add a name to the section renaming list. */
1932 add_section_rename (const char * old_name, const char * new_name,
1935 section_rename * rename;
1937 /* Check for conflicts first. */
1938 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1939 if (strcmp (rename->old_name, old_name) == 0)
1941 /* Silently ignore duplicate definitions. */
1942 if (strcmp (rename->new_name, new_name) == 0
1943 && rename->flags == flags)
1946 fatal (_("Multiple renames of section %s"), old_name);
1949 rename = xmalloc (sizeof (* rename));
1951 rename->old_name = old_name;
1952 rename->new_name = new_name;
1953 rename->flags = flags;
1954 rename->next = section_rename_list;
1956 section_rename_list = rename;
1959 /* Check the section rename list for a new name of the input section
1960 ISECTION. Return the new name if one is found.
1961 Also set RETURNED_FLAGS to the flags to be used for this section. */
1964 find_section_rename (bfd * ibfd ATTRIBUTE_UNUSED, sec_ptr isection,
1965 flagword * returned_flags)
1967 const char * old_name = bfd_section_name (ibfd, isection);
1968 section_rename * rename;
1970 /* Default to using the flags of the input section. */
1971 * returned_flags = bfd_get_section_flags (ibfd, isection);
1973 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1974 if (strcmp (rename->old_name, old_name) == 0)
1976 if (rename->flags != (flagword) -1)
1977 * returned_flags = rename->flags;
1979 return rename->new_name;
1985 /* Once each of the sections is copied, we may still need to do some
1986 finalization work for private section headers. Do that here. */
1989 setup_bfd_headers (bfd *ibfd, bfd *obfd)
1993 /* Allow the BFD backend to copy any private data it understands
1994 from the input section to the output section. */
1995 if (! bfd_copy_private_header_data (ibfd, obfd))
1997 err = _("private header data");
2001 /* All went well. */
2005 non_fatal (_("%s: error in %s: %s"),
2006 bfd_get_filename (ibfd),
2007 err, bfd_errmsg (bfd_get_error ()));
2011 /* Create a section in OBFD with the same
2012 name and attributes as ISECTION in IBFD. */
2015 setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
2017 bfd *obfd = obfdarg;
2018 struct section_list *p;
2026 char *prefix = NULL;
2028 if (is_strip_section (ibfd, isection))
2031 p = find_section_list (bfd_section_name (ibfd, isection), FALSE);
2035 /* Get the, possibly new, name of the output section. */
2036 name = find_section_rename (ibfd, isection, & flags);
2038 /* Prefix sections. */
2039 if ((prefix_alloc_sections_string)
2040 && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC))
2041 prefix = prefix_alloc_sections_string;
2042 else if (prefix_sections_string)
2043 prefix = prefix_sections_string;
2049 n = xmalloc (strlen (prefix) + strlen (name) + 1);
2055 if (p != NULL && p->set_flags)
2056 flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
2057 else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0)
2058 flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
2060 osection = bfd_make_section_anyway_with_flags (obfd, name, flags);
2062 if (osection == NULL)
2068 if (strip_symbols == STRIP_NONDEBUG
2069 && obfd->xvec->flavour == bfd_target_elf_flavour
2070 && (flags & SEC_ALLOC) != 0
2071 && (p == NULL || !p->set_flags))
2072 elf_section_type (osection) = SHT_NOBITS;
2074 size = bfd_section_size (ibfd, isection);
2076 size = (size + interleave - 1) / interleave;
2077 if (! bfd_set_section_size (obfd, osection, size))
2083 vma = bfd_section_vma (ibfd, isection);
2084 if (p != NULL && p->change_vma == CHANGE_MODIFY)
2086 else if (p != NULL && p->change_vma == CHANGE_SET)
2089 vma += change_section_address;
2091 if (! bfd_set_section_vma (obfd, osection, vma))
2097 lma = isection->lma;
2098 if ((p != NULL) && p->change_lma != CHANGE_IGNORE)
2100 if (p->change_lma == CHANGE_MODIFY)
2102 else if (p->change_lma == CHANGE_SET)
2108 lma += change_section_address;
2110 osection->lma = lma;
2112 /* FIXME: This is probably not enough. If we change the LMA we
2113 may have to recompute the header for the file as well. */
2114 if (!bfd_set_section_alignment (obfd,
2116 bfd_section_alignment (ibfd, isection)))
2118 err = _("alignment");
2122 /* Copy merge entity size. */
2123 osection->entsize = isection->entsize;
2125 /* This used to be mangle_section; we do here to avoid using
2126 bfd_get_section_by_name since some formats allow multiple
2127 sections with the same name. */
2128 isection->output_section = osection;
2129 isection->output_offset = 0;
2131 /* Allow the BFD backend to copy any private data it understands
2132 from the input section to the output section. */
2133 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
2134 && strip_symbols == STRIP_NONDEBUG)
2135 /* Do not copy the private data when creating an ELF format
2136 debug info file. We do not want the program headers. */
2138 else if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
2140 err = _("private data");
2144 /* All went well. */
2148 non_fatal (_("%s: section `%s': error in %s: %s"),
2149 bfd_get_filename (ibfd),
2150 bfd_section_name (ibfd, isection),
2151 err, bfd_errmsg (bfd_get_error ()));
2155 /* Copy the data of input section ISECTION of IBFD
2156 to an output section with the same name in OBFD.
2157 If stripping then don't copy any relocation info. */
2160 copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
2162 bfd *obfd = obfdarg;
2163 struct section_list *p;
2171 /* If we have already failed earlier on,
2172 do not keep on generating complaints now. */
2176 if (is_strip_section (ibfd, isection))
2179 flags = bfd_get_section_flags (ibfd, isection);
2180 if ((flags & SEC_GROUP) != 0)
2183 osection = isection->output_section;
2184 size = bfd_get_section_size (isection);
2186 if (size == 0 || osection == 0)
2189 p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE);
2191 /* Core files do not need to be relocated. */
2192 if (bfd_get_format (obfd) == bfd_core)
2196 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2200 /* Do not complain if the target does not support relocations. */
2201 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2204 RETURN_NONFATAL (bfd_get_filename (ibfd));
2209 bfd_set_reloc (obfd, osection, NULL, 0);
2212 relpp = xmalloc (relsize);
2213 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
2215 RETURN_NONFATAL (bfd_get_filename (ibfd));
2217 if (strip_symbols == STRIP_ALL)
2219 /* Remove relocations which are not in
2220 keep_strip_specific_list. */
2221 arelent **temp_relpp;
2222 long temp_relcount = 0;
2225 temp_relpp = xmalloc (relsize);
2226 for (i = 0; i < relcount; i++)
2227 if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr),
2228 keep_specific_list))
2229 temp_relpp [temp_relcount++] = relpp [i];
2230 relcount = temp_relcount;
2235 bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount);
2240 if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
2241 && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
2243 void *memhunk = xmalloc (size);
2245 if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size))
2246 RETURN_NONFATAL (bfd_get_filename (ibfd));
2250 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2251 char *from = (char *) memhunk + copy_byte;
2253 char *end = (char *) memhunk + size;
2255 for (; from < end; from += interleave)
2258 size = (size + interleave - 1 - copy_byte) / interleave;
2259 osection->lma /= interleave;
2262 if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2263 RETURN_NONFATAL (bfd_get_filename (obfd));
2267 else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
2269 void *memhunk = xmalloc (size);
2271 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2272 flag--they can just remove the section entirely and add it
2273 back again. However, we do permit them to turn on the
2274 SEC_HAS_CONTENTS flag, and take it to mean that the section
2275 contents should be zeroed out. */
2277 memset (memhunk, 0, size);
2278 if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2279 RETURN_NONFATAL (bfd_get_filename (obfd));
2284 /* Get all the sections. This is used when --gap-fill or --pad-to is
2288 get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
2290 asection ***secppp = secppparg;
2292 **secppp = osection;
2296 /* Sort sections by VMA. This is called via qsort, and is used when
2297 --gap-fill or --pad-to is used. We force non loadable or empty
2298 sections to the front, where they are easier to ignore. */
2301 compare_section_lma (const void *arg1, const void *arg2)
2303 const asection *const *sec1 = arg1;
2304 const asection *const *sec2 = arg2;
2305 flagword flags1, flags2;
2307 /* Sort non loadable sections to the front. */
2308 flags1 = (*sec1)->flags;
2309 flags2 = (*sec2)->flags;
2310 if ((flags1 & SEC_HAS_CONTENTS) == 0
2311 || (flags1 & SEC_LOAD) == 0)
2313 if ((flags2 & SEC_HAS_CONTENTS) != 0
2314 && (flags2 & SEC_LOAD) != 0)
2319 if ((flags2 & SEC_HAS_CONTENTS) == 0
2320 || (flags2 & SEC_LOAD) == 0)
2324 /* Sort sections by LMA. */
2325 if ((*sec1)->lma > (*sec2)->lma)
2327 else if ((*sec1)->lma < (*sec2)->lma)
2330 /* Sort sections with the same LMA by size. */
2331 if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2))
2333 else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2))
2339 /* Mark all the symbols which will be used in output relocations with
2340 the BSF_KEEP flag so that those symbols will not be stripped.
2342 Ignore relocations which will not appear in the output file. */
2345 mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg)
2347 asymbol **symbols = symbolsarg;
2352 /* Ignore an input section with no corresponding output section. */
2353 if (isection->output_section == NULL)
2356 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2359 /* Do not complain if the target does not support relocations. */
2360 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2362 bfd_fatal (bfd_get_filename (ibfd));
2368 relpp = xmalloc (relsize);
2369 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
2371 bfd_fatal (bfd_get_filename (ibfd));
2373 /* Examine each symbol used in a relocation. If it's not one of the
2374 special bfd section symbols, then mark it with BSF_KEEP. */
2375 for (i = 0; i < relcount; i++)
2377 if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol
2378 && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol
2379 && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol)
2380 (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
2387 /* Write out debugging information. */
2390 write_debugging_info (bfd *obfd, void *dhandle,
2391 long *symcountp ATTRIBUTE_UNUSED,
2392 asymbol ***symppp ATTRIBUTE_UNUSED)
2394 if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
2395 return write_ieee_debugging_info (obfd, dhandle);
2397 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
2398 || bfd_get_flavour (obfd) == bfd_target_elf_flavour)
2400 bfd_byte *syms, *strings;
2401 bfd_size_type symsize, stringsize;
2402 asection *stabsec, *stabstrsec;
2405 if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
2410 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
2411 stabsec = bfd_make_section_with_flags (obfd, ".stab", flags);
2412 stabstrsec = bfd_make_section_with_flags (obfd, ".stabstr", flags);
2414 || stabstrsec == NULL
2415 || ! bfd_set_section_size (obfd, stabsec, symsize)
2416 || ! bfd_set_section_size (obfd, stabstrsec, stringsize)
2417 || ! bfd_set_section_alignment (obfd, stabsec, 2)
2418 || ! bfd_set_section_alignment (obfd, stabstrsec, 0))
2420 non_fatal (_("%s: can't create debugging section: %s"),
2421 bfd_get_filename (obfd),
2422 bfd_errmsg (bfd_get_error ()));
2426 /* We can get away with setting the section contents now because
2427 the next thing the caller is going to do is copy over the
2428 real sections. We may someday have to split the contents
2429 setting out of this function. */
2430 if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize)
2431 || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0,
2434 non_fatal (_("%s: can't set debugging section contents: %s"),
2435 bfd_get_filename (obfd),
2436 bfd_errmsg (bfd_get_error ()));
2443 non_fatal (_("%s: don't know how to write debugging information for %s"),
2444 bfd_get_filename (obfd), bfd_get_target (obfd));
2449 strip_main (int argc, char *argv[])
2451 char *input_target = NULL;
2452 char *output_target = NULL;
2453 bfd_boolean show_version = FALSE;
2454 bfd_boolean formats_info = FALSE;
2457 struct section_list *p;
2458 char *output_file = NULL;
2460 while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
2461 strip_options, (int *) 0)) != EOF)
2466 input_target = optarg;
2469 output_target = optarg;
2472 input_target = output_target = optarg;
2475 p = find_section_list (optarg, TRUE);
2477 sections_removed = TRUE;
2480 strip_symbols = STRIP_ALL;
2484 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
2485 strip_symbols = STRIP_DEBUG;
2487 case OPTION_STRIP_UNNEEDED:
2488 strip_symbols = STRIP_UNNEEDED;
2491 add_specific_symbol (optarg, &keep_specific_list);
2494 add_specific_symbol (optarg, &strip_specific_list);
2497 output_file = optarg;
2500 preserve_dates = TRUE;
2503 discard_locals = LOCALS_ALL;
2506 discard_locals = LOCALS_START_L;
2512 show_version = TRUE;
2514 case OPTION_FORMATS_INFO:
2515 formats_info = TRUE;
2517 case OPTION_ONLY_KEEP_DEBUG:
2518 strip_symbols = STRIP_NONDEBUG;
2520 case OPTION_KEEP_FILE_SYMBOLS:
2521 keep_file_symbols = 1;
2524 /* We've been given a long option. */
2531 strip_usage (stdout, 0);
2533 strip_usage (stderr, 1);
2544 print_version ("strip");
2546 /* Default is to strip all symbols. */
2547 if (strip_symbols == STRIP_UNDEF
2548 && discard_locals == LOCALS_UNDEF
2549 && strip_specific_list == NULL)
2550 strip_symbols = STRIP_ALL;
2552 if (output_target == NULL)
2553 output_target = input_target;
2557 || (output_file != NULL && (i + 1) < argc))
2558 strip_usage (stderr, 1);
2560 for (; i < argc; i++)
2562 int hold_status = status;
2563 struct stat statbuf;
2566 if (get_file_size (argv[i]) < 1)
2570 /* No need to check the return value of stat().
2571 It has already been checked in get_file_size(). */
2572 stat (argv[i], &statbuf);
2574 if (output_file != NULL)
2575 tmpname = output_file;
2577 tmpname = make_tempname (argv[i]);
2580 copy_file (argv[i], tmpname, input_target, output_target);
2584 set_times (tmpname, &statbuf);
2585 if (output_file == NULL)
2586 smart_rename (tmpname, argv[i], preserve_dates);
2587 status = hold_status;
2590 unlink_if_ordinary (tmpname);
2591 if (output_file == NULL)
2599 copy_main (int argc, char *argv[])
2601 char * binary_architecture = NULL;
2602 char *input_filename = NULL;
2603 char *output_filename = NULL;
2604 char *input_target = NULL;
2605 char *output_target = NULL;
2606 bfd_boolean show_version = FALSE;
2607 bfd_boolean change_warn = TRUE;
2608 bfd_boolean formats_info = FALSE;
2610 struct section_list *p;
2611 struct stat statbuf;
2613 while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
2614 copy_options, (int *) 0)) != EOF)
2619 copy_byte = atoi (optarg);
2621 fatal (_("byte number must be non-negative"));
2625 binary_architecture = optarg;
2629 interleave = atoi (optarg);
2631 fatal (_("interleave must be positive"));
2635 case 's': /* "source" - 'I' is preferred */
2636 input_target = optarg;
2640 case 'd': /* "destination" - 'O' is preferred */
2641 output_target = optarg;
2645 input_target = output_target = optarg;
2649 p = find_section_list (optarg, TRUE);
2651 fatal (_("%s both copied and removed"), optarg);
2653 sections_copied = TRUE;
2657 p = find_section_list (optarg, TRUE);
2659 fatal (_("%s both copied and removed"), optarg);
2661 sections_removed = TRUE;
2665 strip_symbols = STRIP_ALL;
2669 strip_symbols = STRIP_DEBUG;
2672 case OPTION_STRIP_UNNEEDED:
2673 strip_symbols = STRIP_UNNEEDED;
2676 case OPTION_ONLY_KEEP_DEBUG:
2677 strip_symbols = STRIP_NONDEBUG;
2680 case OPTION_KEEP_FILE_SYMBOLS:
2681 keep_file_symbols = 1;
2684 case OPTION_ADD_GNU_DEBUGLINK:
2685 gnu_debuglink_filename = optarg;
2689 add_specific_symbol (optarg, &keep_specific_list);
2693 add_specific_symbol (optarg, &strip_specific_list);
2696 case OPTION_STRIP_UNNEEDED_SYMBOL:
2697 add_specific_symbol (optarg, &strip_unneeded_list);
2701 add_specific_symbol (optarg, &localize_specific_list);
2704 case OPTION_GLOBALIZE_SYMBOL:
2705 add_specific_symbol (optarg, &globalize_specific_list);
2709 add_specific_symbol (optarg, &keepglobal_specific_list);
2713 add_specific_symbol (optarg, &weaken_specific_list);
2717 preserve_dates = TRUE;
2725 discard_locals = LOCALS_ALL;
2729 discard_locals = LOCALS_START_L;
2737 show_version = TRUE;
2740 case OPTION_FORMATS_INFO:
2741 formats_info = TRUE;
2748 case OPTION_ADD_SECTION:
2752 struct section_add *pa;
2757 s = strchr (optarg, '=');
2760 fatal (_("bad format for %s"), "--add-section");
2762 size = get_file_size (s + 1);
2766 pa = xmalloc (sizeof (struct section_add));
2769 name = xmalloc (len + 1);
2770 strncpy (name, optarg, len);
2774 pa->filename = s + 1;
2776 pa->contents = xmalloc (size);
2778 f = fopen (pa->filename, FOPEN_RB);
2781 fatal (_("cannot open: %s: %s"),
2782 pa->filename, strerror (errno));
2784 if (fread (pa->contents, 1, pa->size, f) == 0
2786 fatal (_("%s: fread failed"), pa->filename);
2790 pa->next = add_sections;
2795 case OPTION_CHANGE_START:
2796 change_start = parse_vma (optarg, "--change-start");
2799 case OPTION_CHANGE_SECTION_ADDRESS:
2800 case OPTION_CHANGE_SECTION_LMA:
2801 case OPTION_CHANGE_SECTION_VMA:
2806 char *option = NULL;
2808 enum change_action what = CHANGE_IGNORE;
2812 case OPTION_CHANGE_SECTION_ADDRESS:
2813 option = "--change-section-address";
2815 case OPTION_CHANGE_SECTION_LMA:
2816 option = "--change-section-lma";
2818 case OPTION_CHANGE_SECTION_VMA:
2819 option = "--change-section-vma";
2823 s = strchr (optarg, '=');
2826 s = strchr (optarg, '+');
2829 s = strchr (optarg, '-');
2831 fatal (_("bad format for %s"), option);
2836 name = xmalloc (len + 1);
2837 strncpy (name, optarg, len);
2840 p = find_section_list (name, TRUE);
2842 val = parse_vma (s + 1, option);
2846 case '=': what = CHANGE_SET; break;
2847 case '-': val = - val; /* Drop through. */
2848 case '+': what = CHANGE_MODIFY; break;
2853 case OPTION_CHANGE_SECTION_ADDRESS:
2854 p->change_vma = what;
2858 case OPTION_CHANGE_SECTION_LMA:
2859 p->change_lma = what;
2863 case OPTION_CHANGE_SECTION_VMA:
2864 p->change_vma = what;
2871 case OPTION_CHANGE_ADDRESSES:
2872 change_section_address = parse_vma (optarg, "--change-addresses");
2873 change_start = change_section_address;
2876 case OPTION_CHANGE_WARNINGS:
2880 case OPTION_CHANGE_LEADING_CHAR:
2881 change_leading_char = TRUE;
2884 case OPTION_DEBUGGING:
2885 convert_debugging = TRUE;
2888 case OPTION_GAP_FILL:
2890 bfd_vma gap_fill_vma;
2892 gap_fill_vma = parse_vma (optarg, "--gap-fill");
2893 gap_fill = (bfd_byte) gap_fill_vma;
2894 if ((bfd_vma) gap_fill != gap_fill_vma)
2898 sprintf_vma (buff, gap_fill_vma);
2900 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
2903 gap_fill_set = TRUE;
2907 case OPTION_NO_CHANGE_WARNINGS:
2908 change_warn = FALSE;
2912 pad_to = parse_vma (optarg, "--pad-to");
2916 case OPTION_REMOVE_LEADING_CHAR:
2917 remove_leading_char = TRUE;
2920 case OPTION_REDEFINE_SYM:
2922 /* Push this redefinition onto redefine_symbol_list. */
2926 const char *nextarg;
2927 char *source, *target;
2929 s = strchr (optarg, '=');
2931 fatal (_("bad format for %s"), "--redefine-sym");
2934 source = xmalloc (len + 1);
2935 strncpy (source, optarg, len);
2939 len = strlen (nextarg);
2940 target = xmalloc (len + 1);
2941 strcpy (target, nextarg);
2943 redefine_list_append ("--redefine-sym", source, target);
2950 case OPTION_REDEFINE_SYMS:
2951 add_redefine_syms_file (optarg);
2954 case OPTION_SET_SECTION_FLAGS:
2960 s = strchr (optarg, '=');
2962 fatal (_("bad format for %s"), "--set-section-flags");
2965 name = xmalloc (len + 1);
2966 strncpy (name, optarg, len);
2969 p = find_section_list (name, TRUE);
2971 p->set_flags = TRUE;
2972 p->flags = parse_flags (s + 1);
2976 case OPTION_RENAME_SECTION:
2979 const char *eq, *fl;
2984 eq = strchr (optarg, '=');
2986 fatal (_("bad format for %s"), "--rename-section");
2990 fatal (_("bad format for %s"), "--rename-section");
2992 old_name = xmalloc (len + 1);
2993 strncpy (old_name, optarg, len);
2997 fl = strchr (eq, ',');
3000 flags = parse_flags (fl + 1);
3010 fatal (_("bad format for %s"), "--rename-section");
3012 new_name = xmalloc (len + 1);
3013 strncpy (new_name, eq, len);
3016 add_section_rename (old_name, new_name, flags);
3020 case OPTION_SET_START:
3021 set_start = parse_vma (optarg, "--set-start");
3022 set_start_set = TRUE;
3025 case OPTION_SREC_LEN:
3026 Chunk = parse_vma (optarg, "--srec-len");
3029 case OPTION_SREC_FORCES3:
3033 case OPTION_STRIP_SYMBOLS:
3034 add_specific_symbols (optarg, &strip_specific_list);
3037 case OPTION_STRIP_UNNEEDED_SYMBOLS:
3038 add_specific_symbols (optarg, &strip_unneeded_list);
3041 case OPTION_KEEP_SYMBOLS:
3042 add_specific_symbols (optarg, &keep_specific_list);
3045 case OPTION_LOCALIZE_SYMBOLS:
3046 add_specific_symbols (optarg, &localize_specific_list);
3049 case OPTION_GLOBALIZE_SYMBOLS:
3050 add_specific_symbols (optarg, &globalize_specific_list);
3053 case OPTION_KEEPGLOBAL_SYMBOLS:
3054 add_specific_symbols (optarg, &keepglobal_specific_list);
3057 case OPTION_WEAKEN_SYMBOLS:
3058 add_specific_symbols (optarg, &weaken_specific_list);
3061 case OPTION_ALT_MACH_CODE:
3062 use_alt_mach_code = atoi (optarg);
3063 if (use_alt_mach_code <= 0)
3064 fatal (_("alternate machine code index must be positive"));
3067 case OPTION_PREFIX_SYMBOLS:
3068 prefix_symbols_string = optarg;
3071 case OPTION_PREFIX_SECTIONS:
3072 prefix_sections_string = optarg;
3075 case OPTION_PREFIX_ALLOC_SECTIONS:
3076 prefix_alloc_sections_string = optarg;
3079 case OPTION_READONLY_TEXT:
3080 bfd_flags_to_set |= WP_TEXT;
3081 bfd_flags_to_clear &= ~WP_TEXT;
3084 case OPTION_WRITABLE_TEXT:
3085 bfd_flags_to_clear |= WP_TEXT;
3086 bfd_flags_to_set &= ~WP_TEXT;
3090 bfd_flags_to_set |= D_PAGED;
3091 bfd_flags_to_clear &= ~D_PAGED;
3095 bfd_flags_to_clear |= D_PAGED;
3096 bfd_flags_to_set &= ~D_PAGED;
3100 /* We've been given a long option. */
3105 copy_usage (stdout, 0);
3108 copy_usage (stderr, 1);
3119 print_version ("objcopy");
3121 if (copy_byte >= interleave)
3122 fatal (_("byte number must be less than interleave"));
3124 if (optind == argc || optind + 2 < argc)
3125 copy_usage (stderr, 1);
3127 input_filename = argv[optind];
3128 if (optind + 1 < argc)
3129 output_filename = argv[optind + 1];
3131 /* Default is to strip no symbols. */
3132 if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF)
3133 strip_symbols = STRIP_NONE;
3135 if (output_target == NULL)
3136 output_target = input_target;
3138 if (binary_architecture != NULL)
3140 if (input_target && strcmp (input_target, "binary") == 0)
3142 const bfd_arch_info_type * temp_arch_info;
3144 temp_arch_info = bfd_scan_arch (binary_architecture);
3146 if (temp_arch_info != NULL)
3148 bfd_external_binary_architecture = temp_arch_info->arch;
3149 bfd_external_machine = temp_arch_info->mach;
3152 fatal (_("architecture %s unknown"), binary_architecture);
3156 non_fatal (_("Warning: input target 'binary' required for binary architecture parameter."));
3157 non_fatal (_(" Argument %s ignored"), binary_architecture);
3162 if (stat (input_filename, & statbuf) < 0)
3163 fatal (_("warning: could not locate '%s'. System error message: %s"),
3164 input_filename, strerror (errno));
3166 /* If there is no destination file, or the source and destination files
3167 are the same, then create a temp and rename the result into the input. */
3168 if (output_filename == NULL || strcmp (input_filename, output_filename) == 0)
3170 char *tmpname = make_tempname (input_filename);
3172 copy_file (input_filename, tmpname, input_target, output_target);
3176 set_times (tmpname, &statbuf);
3177 smart_rename (tmpname, input_filename, preserve_dates);
3184 copy_file (input_filename, output_filename, input_target, output_target);
3186 if (status == 0 && preserve_dates)
3187 set_times (output_filename, &statbuf);
3188 else if (status != 0)
3189 unlink_if_ordinary (output_filename);
3194 for (p = change_sections; p != NULL; p = p->next)
3198 if (p->change_vma != CHANGE_IGNORE)
3202 sprintf_vma (buff, p->vma_val);
3204 /* xgettext:c-format */
3205 non_fatal (_("%s %s%c0x%s never used"),
3206 "--change-section-vma",
3208 p->change_vma == CHANGE_SET ? '=' : '+',
3212 if (p->change_lma != CHANGE_IGNORE)
3216 sprintf_vma (buff, p->lma_val);
3218 /* xgettext:c-format */
3219 non_fatal (_("%s %s%c0x%s never used"),
3220 "--change-section-lma",
3222 p->change_lma == CHANGE_SET ? '=' : '+',
3233 main (int argc, char *argv[])
3235 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3236 setlocale (LC_MESSAGES, "");
3238 #if defined (HAVE_SETLOCALE)
3239 setlocale (LC_CTYPE, "");
3241 bindtextdomain (PACKAGE, LOCALEDIR);
3242 textdomain (PACKAGE);
3244 program_name = argv[0];
3245 xmalloc_set_program_name (program_name);
3247 START_PROGRESS (program_name, 0);
3249 expandargv (&argc, &argv);
3251 strip_symbols = STRIP_UNDEF;
3252 discard_locals = LOCALS_UNDEF;
3255 set_default_bfd_target ();
3259 int i = strlen (program_name);
3260 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
3261 /* Drop the .exe suffix, if any. */
3262 if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0)
3265 program_name[i] = '\0';
3268 is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0);
3272 strip_main (argc, argv);
3274 copy_main (argc, argv);
3276 END_PROGRESS (program_name);