1 /* objcopy.c -- copy object file from input to output, optionally massaging it.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005
4 Free Software Foundation, Inc.
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
27 #include "libiberty.h"
29 #include "filenames.h"
34 /* A list of symbols to explicitly strip out, or to keep. A linked
35 list is good enough for a small number from the command line, but
36 this will slow things down a lot if many symbols are being
45 /* A list to support redefine_sym. */
50 struct redefine_node *next;
53 typedef struct section_rename
55 const char * old_name;
56 const char * new_name;
58 struct section_rename * next;
62 /* List of sections to be renamed. */
63 static section_rename *section_rename_list;
65 #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;}
67 static asymbol **isympp = NULL; /* Input symbols. */
68 static asymbol **osympp = NULL; /* Output symbols that survive stripping. */
70 /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
71 static int copy_byte = -1;
72 static int interleave = 4;
74 static bfd_boolean verbose; /* Print file and target names. */
75 static bfd_boolean preserve_dates; /* Preserve input file timestamp. */
76 static int status = 0; /* Exit status. */
81 STRIP_NONE, /* Don't strip. */
82 STRIP_DEBUG, /* Strip all debugger symbols. */
83 STRIP_UNNEEDED, /* Strip unnecessary symbols. */
84 STRIP_NONDEBUG, /* Strip everything but debug info. */
85 STRIP_ALL /* Strip all symbols. */
88 /* Which symbols to remove. */
89 static enum strip_action strip_symbols;
94 LOCALS_START_L, /* Discard locals starting with L. */
95 LOCALS_ALL /* Discard all locals. */
98 /* Which local symbols to remove. Overrides STRIP_ALL. */
99 static enum locals_action discard_locals;
101 /* What kind of change to perform. */
109 /* Structure used to hold lists of sections and actions to take. */
112 struct section_list * next; /* Next section to change. */
113 const char * name; /* Section name. */
114 bfd_boolean used; /* Whether this entry was used. */
115 bfd_boolean remove; /* Whether to remove this section. */
116 bfd_boolean copy; /* Whether to copy this section. */
117 enum change_action change_vma;/* Whether to change or set VMA. */
118 bfd_vma vma_val; /* Amount to change by or set to. */
119 enum change_action change_lma;/* Whether to change or set LMA. */
120 bfd_vma lma_val; /* Amount to change by or set to. */
121 bfd_boolean set_flags; /* Whether to set the section flags. */
122 flagword flags; /* What to set the section flags to. */
125 static struct section_list *change_sections;
127 /* TRUE if some sections are to be removed. */
128 static bfd_boolean sections_removed;
130 /* TRUE if only some sections are to be copied. */
131 static bfd_boolean sections_copied;
133 /* Changes to the start address. */
134 static bfd_vma change_start = 0;
135 static bfd_boolean set_start_set = FALSE;
136 static bfd_vma set_start;
138 /* Changes to section addresses. */
139 static bfd_vma change_section_address = 0;
141 /* Filling gaps between sections. */
142 static bfd_boolean gap_fill_set = FALSE;
143 static bfd_byte gap_fill = 0;
145 /* Pad to a given address. */
146 static bfd_boolean pad_to_set = FALSE;
147 static bfd_vma pad_to;
149 /* Use alternate machine code? */
150 static int use_alt_mach_code = 0;
152 /* Output BFD flags user wants to set or clear */
153 static flagword bfd_flags_to_set;
154 static flagword bfd_flags_to_clear;
156 /* List of sections to add. */
159 /* Next section to add. */
160 struct section_add *next;
161 /* Name of section to add. */
163 /* Name of file holding section contents. */
164 const char *filename;
167 /* Contents of file. */
169 /* BFD section, after it has been added. */
173 /* List of sections to add to the output BFD. */
174 static struct section_add *add_sections;
176 /* If non-NULL the argument to --add-gnu-debuglink.
177 This should be the filename to store in the .gnu_debuglink section. */
178 static const char * gnu_debuglink_filename = NULL;
180 /* Whether to convert debugging information. */
181 static bfd_boolean convert_debugging = FALSE;
183 /* Whether to change the leading character in symbol names. */
184 static bfd_boolean change_leading_char = FALSE;
186 /* Whether to remove the leading character from global symbol names. */
187 static bfd_boolean remove_leading_char = FALSE;
189 /* Whether to permit wildcard in symbol comparison. */
190 static bfd_boolean wildcard = FALSE;
192 /* List of symbols to strip, keep, localize, keep-global, weaken,
194 static struct symlist *strip_specific_list = NULL;
195 static struct symlist *strip_unneeded_list = NULL;
196 static struct symlist *keep_specific_list = NULL;
197 static struct symlist *localize_specific_list = NULL;
198 static struct symlist *globalize_specific_list = NULL;
199 static struct symlist *keepglobal_specific_list = NULL;
200 static struct symlist *weaken_specific_list = NULL;
201 static struct redefine_node *redefine_sym_list = NULL;
203 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
204 static bfd_boolean weaken = FALSE;
206 /* 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 @<file> Read options from <file>\n\
480 -V --version Display this program's version number\n\
481 -h --help Display this output\n\
482 --info List object formats & architectures supported\n\
484 list_supported_targets (program_name, stream);
485 if (exit_status == 0)
486 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
491 strip_usage (FILE *stream, int exit_status)
493 fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name);
494 fprintf (stream, _(" Removes symbols and sections from files\n"));
495 fprintf (stream, _(" The options are:\n"));
496 fprintf (stream, _("\
497 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
498 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
499 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
500 -p --preserve-dates Copy modified/access timestamps to the output\n\
501 -R --remove-section=<name> Remove section <name> from the output\n\
502 -s --strip-all Remove all symbol and relocation information\n\
503 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
504 --strip-unneeded Remove all symbols not needed by relocations\n\
505 --only-keep-debug Strip everything but the debug information\n\
506 -N --strip-symbol=<name> Do not copy symbol <name>\n\
507 -K --keep-symbol=<name> Do not strip symbol <name>\n\
508 -w --wildcard Permit wildcard in symbol comparison\n\
509 -x --discard-all Remove all non-global symbols\n\
510 -X --discard-locals Remove any compiler-generated symbols\n\
511 -v --verbose List all object files modified\n\
512 -V --version Display this program's version number\n\
513 -h --help Display this output\n\
514 --info List object formats & architectures supported\n\
515 -o <file> Place stripped output into <file>\n\
518 list_supported_targets (program_name, stream);
519 if (exit_status == 0)
520 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
524 /* Parse section flags into a flagword, with a fatal error if the
525 string can't be parsed. */
528 parse_flags (const char *s)
538 snext = strchr (s, ',');
548 #define PARSE_FLAG(fname,fval) \
549 else if (strncasecmp (fname, s, len) == 0) ret |= fval
550 PARSE_FLAG ("alloc", SEC_ALLOC);
551 PARSE_FLAG ("load", SEC_LOAD);
552 PARSE_FLAG ("noload", SEC_NEVER_LOAD);
553 PARSE_FLAG ("readonly", SEC_READONLY);
554 PARSE_FLAG ("debug", SEC_DEBUGGING);
555 PARSE_FLAG ("code", SEC_CODE);
556 PARSE_FLAG ("data", SEC_DATA);
557 PARSE_FLAG ("rom", SEC_ROM);
558 PARSE_FLAG ("share", SEC_COFF_SHARED);
559 PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
565 copy = xmalloc (len + 1);
566 strncpy (copy, s, len);
568 non_fatal (_("unrecognized section flag `%s'"), copy);
569 fatal (_("supported flags: %s"),
570 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
580 /* Find and optionally add an entry in the change_sections list. */
582 static struct section_list *
583 find_section_list (const char *name, bfd_boolean add)
585 struct section_list *p;
587 for (p = change_sections; p != NULL; p = p->next)
588 if (strcmp (p->name, name) == 0)
594 p = xmalloc (sizeof (struct section_list));
599 p->change_vma = CHANGE_IGNORE;
600 p->change_lma = CHANGE_IGNORE;
603 p->set_flags = FALSE;
606 p->next = change_sections;
612 /* Add a symbol to strip_specific_list. */
615 add_specific_symbol (const char *name, struct symlist **list)
617 struct symlist *tmp_list;
619 tmp_list = xmalloc (sizeof (struct symlist));
620 tmp_list->name = name;
621 tmp_list->next = *list;
625 /* Add symbols listed in `filename' to strip_specific_list. */
627 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
628 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
631 add_specific_symbols (const char *filename, struct symlist **list)
637 unsigned int line_count;
639 size = get_file_size (filename);
643 buffer = xmalloc (size + 2);
644 f = fopen (filename, FOPEN_RT);
646 fatal (_("cannot open '%s': %s"), filename, strerror (errno));
648 if (fread (buffer, 1, size, f) == 0 || ferror (f))
649 fatal (_("%s: fread failed"), filename);
652 buffer [size] = '\n';
653 buffer [size + 1] = '\0';
657 for (line = buffer; * line != '\0'; line ++)
662 int finished = FALSE;
664 for (eol = line;; eol ++)
670 /* Cope with \n\r. */
678 /* Cope with \r\n. */
689 /* Line comment, Terminate the line here, in case a
690 name is present and then allow the rest of the
691 loop to find the real end of the line. */
703 /* A name may now exist somewhere between 'line' and 'eol'.
704 Strip off leading whitespace and trailing whitespace,
705 then add it to the list. */
706 for (name = line; IS_WHITESPACE (* name); name ++)
708 for (name_end = name;
709 (! IS_WHITESPACE (* name_end))
710 && (! IS_LINE_TERMINATOR (* name_end));
714 if (! IS_LINE_TERMINATOR (* name_end))
718 for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++)
721 if (! IS_LINE_TERMINATOR (* extra))
722 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
723 filename, line_count);
729 add_specific_symbol (name, list);
731 /* Advance line pointer to end of line. The 'eol ++' in the for
732 loop above will then advance us to the start of the next line. */
738 /* See whether a symbol should be stripped or kept based on
739 strip_specific_list and keep_symbols. */
742 is_specified_symbol (const char *name, struct symlist *list)
744 struct symlist *tmp_list;
748 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
749 if (*(tmp_list->name) != '!')
751 if (!fnmatch (tmp_list->name, name, 0))
756 if (fnmatch (tmp_list->name + 1, name, 0))
762 for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
763 if (strcmp (name, tmp_list->name) == 0)
770 /* See if a section is being removed. */
773 is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
775 if (sections_removed || sections_copied)
777 struct section_list *p;
779 p = find_section_list (bfd_get_section_name (abfd, sec), FALSE);
781 if (sections_removed && p != NULL && p->remove)
783 if (sections_copied && (p == NULL || ! p->copy))
787 if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0)
789 if (strip_symbols == STRIP_DEBUG
790 || strip_symbols == STRIP_UNNEEDED
791 || strip_symbols == STRIP_ALL
792 || discard_locals == LOCALS_ALL
793 || convert_debugging)
796 if (strip_symbols == STRIP_NONDEBUG)
803 /* Choose which symbol entries to copy; put the result in OSYMS.
804 We don't copy in place, because that confuses the relocs.
805 Return the number of symbols to print. */
808 filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
809 asymbol **isyms, long symcount)
811 asymbol **from = isyms, **to = osyms;
812 long src_count = 0, dst_count = 0;
813 int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC))
816 for (; src_count < symcount; src_count++)
818 asymbol *sym = from[src_count];
819 flagword flags = sym->flags;
820 char *name = (char *) bfd_asymbol_name (sym);
822 bfd_boolean undefined;
823 bfd_boolean rem_leading_char;
824 bfd_boolean add_leading_char;
826 undefined = bfd_is_und_section (bfd_get_section (sym));
828 if (redefine_sym_list)
830 char *old_name, *new_name;
832 old_name = (char *) bfd_asymbol_name (sym);
833 new_name = (char *) lookup_sym_redefinition (old_name);
834 bfd_asymbol_name (sym) = new_name;
838 /* Check if we will remove the current leading character. */
840 (name[0] == bfd_get_symbol_leading_char (abfd))
841 && (change_leading_char
842 || (remove_leading_char
843 && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
845 || bfd_is_com_section (bfd_get_section (sym)))));
847 /* Check if we will add a new leading character. */
850 && (bfd_get_symbol_leading_char (obfd) != '\0')
851 && (bfd_get_symbol_leading_char (abfd) == '\0'
852 || (name[0] == bfd_get_symbol_leading_char (abfd)));
854 /* Short circuit for change_leading_char if we can do it in-place. */
855 if (rem_leading_char && add_leading_char && !prefix_symbols_string)
857 name[0] = bfd_get_symbol_leading_char (obfd);
858 bfd_asymbol_name (sym) = name;
859 rem_leading_char = FALSE;
860 add_leading_char = FALSE;
863 /* Remove leading char. */
864 if (rem_leading_char)
865 bfd_asymbol_name (sym) = ++name;
867 /* Add new leading char and/or prefix. */
868 if (add_leading_char || prefix_symbols_string)
872 ptr = n = xmalloc (1 + strlen (prefix_symbols_string)
873 + strlen (name) + 1);
874 if (add_leading_char)
875 *ptr++ = bfd_get_symbol_leading_char (obfd);
877 if (prefix_symbols_string)
879 strcpy (ptr, prefix_symbols_string);
880 ptr += strlen (prefix_symbols_string);
884 bfd_asymbol_name (sym) = n;
888 if (strip_symbols == STRIP_ALL)
890 else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
891 || ((flags & BSF_SECTION_SYM) != 0
892 && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
895 else if (relocatable /* Relocatable file. */
896 && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0)
898 else if (bfd_decode_symclass (sym) == 'I')
899 /* Global symbols in $idata sections need to be retained
900 even if relocatable is FALSE. External users of the
901 library containing the $idata section may reference these
904 else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
905 || (flags & BSF_WEAK) != 0
907 || bfd_is_com_section (bfd_get_section (sym)))
908 keep = strip_symbols != STRIP_UNNEEDED;
909 else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
910 keep = (strip_symbols != STRIP_DEBUG
911 && strip_symbols != STRIP_UNNEEDED
912 && ! convert_debugging);
913 else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym)))
914 /* COMDAT sections store special information in local
915 symbols, so we cannot risk stripping any of them. */
917 else /* Local symbol. */
918 keep = (strip_symbols != STRIP_UNNEEDED
919 && (discard_locals != LOCALS_ALL
920 && (discard_locals != LOCALS_START_L
921 || ! bfd_is_local_label (abfd, sym))));
923 if (keep && is_specified_symbol (name, strip_specific_list))
926 && !(flags & BSF_KEEP)
927 && is_specified_symbol (name, strip_unneeded_list))
929 if (!keep && is_specified_symbol (name, keep_specific_list))
931 if (keep && is_strip_section (abfd, bfd_get_section (sym)))
936 if ((flags & BSF_GLOBAL) != 0
937 && (weaken || is_specified_symbol (name, weaken_specific_list)))
939 sym->flags &= ~ BSF_GLOBAL;
940 sym->flags |= BSF_WEAK;
944 && (flags & (BSF_GLOBAL | BSF_WEAK))
945 && (is_specified_symbol (name, localize_specific_list)
946 || (keepglobal_specific_list != NULL
947 && ! is_specified_symbol (name, keepglobal_specific_list))))
949 sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK);
950 sym->flags |= BSF_LOCAL;
954 && (flags & BSF_LOCAL)
955 && is_specified_symbol (name, globalize_specific_list))
957 sym->flags &= ~ BSF_LOCAL;
958 sym->flags |= BSF_GLOBAL;
961 to[dst_count++] = sym;
965 to[dst_count] = NULL;
970 /* Find the redefined name of symbol SOURCE. */
973 lookup_sym_redefinition (const char *source)
975 struct redefine_node *list;
977 for (list = redefine_sym_list; list != NULL; list = list->next)
978 if (strcmp (source, list->source) == 0)
984 /* Add a node to a symbol redefine list. */
987 redefine_list_append (const char *cause, const char *source, const char *target)
989 struct redefine_node **p;
990 struct redefine_node *list;
991 struct redefine_node *new_node;
993 for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next)
995 if (strcmp (source, list->source) == 0)
996 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
999 if (strcmp (target, list->target) == 0)
1000 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1004 new_node = xmalloc (sizeof (struct redefine_node));
1006 new_node->source = strdup (source);
1007 new_node->target = strdup (target);
1008 new_node->next = NULL;
1013 /* Handle the --redefine-syms option. Read lines containing "old new"
1014 from the file, and add them to the symbol redefine list. */
1017 add_redefine_syms_file (const char *filename)
1026 file = fopen (filename, "r");
1028 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1029 filename, strerror (errno));
1032 buf = xmalloc (bufsize);
1040 /* Collect the input symbol name. */
1041 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1049 buf = xrealloc (buf, bufsize);
1057 /* Eat white space between the symbol names. */
1058 while (IS_WHITESPACE (c))
1060 if (c == '#' || IS_LINE_TERMINATOR (c))
1065 /* Collect the output symbol name. */
1067 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1075 buf = xrealloc (buf, bufsize);
1083 /* Eat white space at end of line. */
1084 while (! IS_LINE_TERMINATOR(c) && c != EOF && IS_WHITESPACE (c))
1089 if ((c == '\r' && (c = getc (file)) == '\n')
1090 || c == '\n' || c == EOF)
1093 /* Append the redefinition to the list. */
1095 redefine_list_append (filename, &buf[0], &buf[outsym_off]);
1106 fatal (_("%s:%d: garbage found at end of line"), filename, lineno);
1108 if (len != 0 && (outsym_off == 0 || outsym_off == len))
1109 fatal (_("%s:%d: missing new symbol name"), filename, lineno);
1112 /* Eat the rest of the line and finish it. */
1113 while (c != '\n' && c != EOF)
1119 fatal (_("%s:%d: premature end of file"), filename, lineno);
1124 /* Copy unkown object file IBFD onto OBFD.
1125 Returns TRUE upon success, FALSE otherwise. */
1128 copy_unknown_object (bfd *ibfd, bfd *obfd)
1136 if (bfd_stat_arch_elt (ibfd, &buf) != 0)
1138 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1145 non_fatal (_("stat returns negative size for `%s'"),
1146 bfd_get_archive_filename (ibfd));
1150 if (bfd_seek (ibfd, (file_ptr) 0, SEEK_SET) != 0)
1152 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1157 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1158 bfd_get_archive_filename (ibfd), bfd_get_filename (obfd));
1160 cbuf = xmalloc (BUFSIZE);
1162 while (ncopied < size)
1164 tocopy = size - ncopied;
1165 if (tocopy > BUFSIZE)
1168 if (bfd_bread (cbuf, (bfd_size_type) tocopy, ibfd)
1169 != (bfd_size_type) tocopy)
1171 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1176 if (bfd_bwrite (cbuf, (bfd_size_type) tocopy, obfd)
1177 != (bfd_size_type) tocopy)
1179 bfd_nonfatal (bfd_get_filename (obfd));
1187 chmod (bfd_get_filename (obfd), buf.st_mode);
1192 /* Copy object file IBFD onto OBFD.
1193 Returns TRUE upon success, FALSE otherwise. */
1196 copy_object (bfd *ibfd, bfd *obfd)
1200 asection **osections = NULL;
1201 asection *gnu_debuglink_section = NULL;
1202 bfd_size_type *gaps = NULL;
1203 bfd_size_type max_gap = 0;
1206 enum bfd_architecture iarch;
1209 if (ibfd->xvec->byteorder != obfd->xvec->byteorder
1210 && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
1211 && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
1212 fatal (_("Unable to change endianness of input file(s)"));
1214 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1216 bfd_nonfatal (bfd_get_filename (obfd));
1221 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1222 bfd_get_archive_filename (ibfd), bfd_get_target (ibfd),
1223 bfd_get_filename (obfd), bfd_get_target (obfd));
1228 start = bfd_get_start_address (ibfd);
1229 start += change_start;
1231 /* Neither the start address nor the flags
1232 need to be set for a core file. */
1233 if (bfd_get_format (obfd) != bfd_core)
1237 flags = bfd_get_file_flags (ibfd);
1238 flags |= bfd_flags_to_set;
1239 flags &= ~bfd_flags_to_clear;
1240 flags &= bfd_applicable_file_flags (obfd);
1242 if (!bfd_set_start_address (obfd, start)
1243 || !bfd_set_file_flags (obfd, flags))
1245 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1250 /* Copy architecture of input file to output file. */
1251 iarch = bfd_get_arch (ibfd);
1252 imach = bfd_get_mach (ibfd);
1253 if (!bfd_set_arch_mach (obfd, iarch, imach)
1254 && (ibfd->target_defaulted
1255 || bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
1257 if (bfd_get_arch (ibfd) == bfd_arch_unknown)
1258 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1259 bfd_get_archive_filename (ibfd));
1261 non_fatal (_("Warning: Output file cannot represent architecture `%s'"),
1262 bfd_printable_arch_mach (bfd_get_arch (ibfd),
1263 bfd_get_mach (ibfd)));
1267 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1269 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1276 if (osympp != isympp)
1279 /* BFD mandates that all output sections be created and sizes set before
1280 any output is done. Thus, we traverse all sections multiple times. */
1281 bfd_map_over_sections (ibfd, setup_section, obfd);
1283 setup_bfd_headers (ibfd, obfd);
1285 if (add_sections != NULL)
1287 struct section_add *padd;
1288 struct section_list *pset;
1290 for (padd = add_sections; padd != NULL; padd = padd->next)
1294 pset = find_section_list (padd->name, FALSE);
1298 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
1299 if (pset != NULL && pset->set_flags)
1300 flags = pset->flags | SEC_HAS_CONTENTS;
1302 padd->section = bfd_make_section_with_flags (obfd, padd->name, flags);
1303 if (padd->section == NULL)
1305 non_fatal (_("can't create section `%s': %s"),
1306 padd->name, bfd_errmsg (bfd_get_error ()));
1310 if (! bfd_set_section_size (obfd, padd->section, padd->size))
1312 bfd_nonfatal (bfd_get_filename (obfd));
1318 if (pset->change_vma != CHANGE_IGNORE)
1319 if (! bfd_set_section_vma (obfd, padd->section,
1322 bfd_nonfatal (bfd_get_filename (obfd));
1326 if (pset->change_lma != CHANGE_IGNORE)
1328 padd->section->lma = pset->lma_val;
1330 if (! bfd_set_section_alignment
1331 (obfd, padd->section,
1332 bfd_section_alignment (obfd, padd->section)))
1334 bfd_nonfatal (bfd_get_filename (obfd));
1342 if (gnu_debuglink_filename != NULL)
1344 gnu_debuglink_section = bfd_create_gnu_debuglink_section
1345 (obfd, gnu_debuglink_filename);
1347 if (gnu_debuglink_section == NULL)
1349 bfd_nonfatal (gnu_debuglink_filename);
1353 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour)
1354 /* Try to set the VMA of the section to some non-zero value so
1355 that it will work for PE format files. (We have no way to
1356 distinguish between COFF and PE flavours). If this does not
1357 work, just ignore the failure. */
1358 bfd_set_section_vma (obfd, gnu_debuglink_section, 0xf0000000);
1361 if (bfd_count_sections (obfd) == 0)
1363 non_fatal (_("there are no sections to be copied!"));
1367 if (gap_fill_set || pad_to_set)
1372 /* We must fill in gaps between the sections and/or we must pad
1373 the last section to a specified address. We do this by
1374 grabbing a list of the sections, sorting them by VMA, and
1375 increasing the section sizes as required to fill the gaps.
1376 We write out the gap contents below. */
1378 c = bfd_count_sections (obfd);
1379 osections = xmalloc (c * sizeof (asection *));
1381 bfd_map_over_sections (obfd, get_sections, &set);
1383 qsort (osections, c, sizeof (asection *), compare_section_lma);
1385 gaps = xmalloc (c * sizeof (bfd_size_type));
1386 memset (gaps, 0, c * sizeof (bfd_size_type));
1390 for (i = 0; i < c - 1; i++)
1394 bfd_vma gap_start, gap_stop;
1396 flags = bfd_get_section_flags (obfd, osections[i]);
1397 if ((flags & SEC_HAS_CONTENTS) == 0
1398 || (flags & SEC_LOAD) == 0)
1401 size = bfd_section_size (obfd, osections[i]);
1402 gap_start = bfd_section_lma (obfd, osections[i]) + size;
1403 gap_stop = bfd_section_lma (obfd, osections[i + 1]);
1404 if (gap_start < gap_stop)
1406 if (! bfd_set_section_size (obfd, osections[i],
1407 size + (gap_stop - gap_start)))
1409 non_fatal (_("Can't fill gap after %s: %s"),
1410 bfd_get_section_name (obfd, osections[i]),
1411 bfd_errmsg (bfd_get_error ()));
1415 gaps[i] = gap_stop - gap_start;
1416 if (max_gap < gap_stop - gap_start)
1417 max_gap = gap_stop - gap_start;
1427 lma = bfd_section_lma (obfd, osections[c - 1]);
1428 size = bfd_section_size (obfd, osections[c - 1]);
1429 if (lma + size < pad_to)
1431 if (! bfd_set_section_size (obfd, osections[c - 1],
1434 non_fatal (_("Can't add padding to %s: %s"),
1435 bfd_get_section_name (obfd, osections[c - 1]),
1436 bfd_errmsg (bfd_get_error ()));
1441 gaps[c - 1] = pad_to - (lma + size);
1442 if (max_gap < pad_to - (lma + size))
1443 max_gap = pad_to - (lma + size);
1449 /* Symbol filtering must happen after the output sections
1450 have been created, but before their contents are set. */
1452 symsize = bfd_get_symtab_upper_bound (ibfd);
1455 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1459 osympp = isympp = xmalloc (symsize);
1460 symcount = bfd_canonicalize_symtab (ibfd, isympp);
1463 bfd_nonfatal (bfd_get_filename (ibfd));
1467 if (convert_debugging)
1468 dhandle = read_debugging_info (ibfd, isympp, symcount);
1470 if (strip_symbols == STRIP_DEBUG
1471 || strip_symbols == STRIP_ALL
1472 || strip_symbols == STRIP_UNNEEDED
1473 || strip_symbols == STRIP_NONDEBUG
1474 || discard_locals != LOCALS_UNDEF
1475 || strip_specific_list != NULL
1476 || keep_specific_list != NULL
1477 || localize_specific_list != NULL
1478 || globalize_specific_list != NULL
1479 || keepglobal_specific_list != NULL
1480 || weaken_specific_list != NULL
1481 || prefix_symbols_string
1484 || convert_debugging
1485 || change_leading_char
1486 || remove_leading_char
1487 || redefine_sym_list
1490 /* Mark symbols used in output relocations so that they
1491 are kept, even if they are local labels or static symbols.
1493 Note we iterate over the input sections examining their
1494 relocations since the relocations for the output sections
1495 haven't been set yet. mark_symbols_used_in_relocations will
1496 ignore input sections which have no corresponding output
1498 if (strip_symbols != STRIP_ALL)
1499 bfd_map_over_sections (ibfd,
1500 mark_symbols_used_in_relocations,
1502 osympp = xmalloc ((symcount + 1) * sizeof (asymbol *));
1503 symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
1506 if (convert_debugging && dhandle != NULL)
1508 if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
1515 bfd_set_symtab (obfd, osympp, symcount);
1517 /* This has to happen after the symbol table has been set. */
1518 bfd_map_over_sections (ibfd, copy_section, obfd);
1520 if (add_sections != NULL)
1522 struct section_add *padd;
1524 for (padd = add_sections; padd != NULL; padd = padd->next)
1526 if (! bfd_set_section_contents (obfd, padd->section, padd->contents,
1529 bfd_nonfatal (bfd_get_filename (obfd));
1535 if (gnu_debuglink_filename != NULL)
1537 if (! bfd_fill_in_gnu_debuglink_section
1538 (obfd, gnu_debuglink_section, gnu_debuglink_filename))
1540 bfd_nonfatal (gnu_debuglink_filename);
1545 if (gap_fill_set || pad_to_set)
1550 /* Fill in the gaps. */
1553 buf = xmalloc (max_gap);
1554 memset (buf, gap_fill, max_gap);
1556 c = bfd_count_sections (obfd);
1557 for (i = 0; i < c; i++)
1565 off = bfd_section_size (obfd, osections[i]) - left;
1576 if (! bfd_set_section_contents (obfd, osections[i], buf,
1579 bfd_nonfatal (bfd_get_filename (obfd));
1590 /* Allow the BFD backend to copy any private data it understands
1591 from the input BFD to the output BFD. This is done last to
1592 permit the routine to look at the filtered symbol table, which is
1593 important for the ECOFF code at least. */
1594 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
1595 && strip_symbols == STRIP_NONDEBUG)
1596 /* Do not copy the private data when creating an ELF format
1597 debug info file. We do not want the program headers. */
1599 else if (! bfd_copy_private_bfd_data (ibfd, obfd))
1601 non_fatal (_("%s: error copying private BFD data: %s"),
1602 bfd_get_filename (obfd),
1603 bfd_errmsg (bfd_get_error ()));
1607 /* Switch to the alternate machine code. We have to do this at the
1608 very end, because we only initialize the header when we create
1609 the first section. */
1610 if (use_alt_mach_code != 0
1611 && ! bfd_alt_mach_code (obfd, use_alt_mach_code))
1612 non_fatal (_("unknown alternate machine code, ignored"));
1618 #if defined (_WIN32) && !defined (__CYGWIN32__)
1619 #define MKDIR(DIR, MODE) mkdir (DIR)
1621 #define MKDIR(DIR, MODE) mkdir (DIR, MODE)
1624 /* Read each archive element in turn from IBFD, copy the
1625 contents to temp file, and keep the temp file handle. */
1628 copy_archive (bfd *ibfd, bfd *obfd, const char *output_target)
1632 struct name_list *next;
1636 bfd **ptr = &obfd->archive_head;
1638 char *dir = make_tempname (bfd_get_filename (obfd));
1640 /* Make a temp directory to hold the contents. */
1641 if (MKDIR (dir, 0700) != 0)
1642 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1643 dir, strerror (errno));
1645 obfd->has_armap = ibfd->has_armap;
1649 this_element = bfd_openr_next_archived_file (ibfd, NULL);
1651 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
1652 RETURN_NONFATAL (bfd_get_filename (obfd));
1654 while (!status && this_element != NULL)
1660 int stat_status = 0;
1661 bfd_boolean delete = TRUE;
1663 /* Create an output file for this member. */
1664 output_name = concat (dir, "/",
1665 bfd_get_filename (this_element), (char *) 0);
1667 /* If the file already exists, make another temp dir. */
1668 if (stat (output_name, &buf) >= 0)
1670 output_name = make_tempname (output_name);
1671 if (MKDIR (output_name, 0700) != 0)
1672 fatal (_("cannot mkdir %s for archive copying (error: %s)"),
1673 output_name, strerror (errno));
1675 l = xmalloc (sizeof (struct name_list));
1676 l->name = output_name;
1680 output_name = concat (output_name, "/",
1681 bfd_get_filename (this_element), (char *) 0);
1684 output_bfd = bfd_openw (output_name, output_target);
1687 stat_status = bfd_stat_arch_elt (this_element, &buf);
1689 if (stat_status != 0)
1690 non_fatal (_("internal stat error on %s"),
1691 bfd_get_filename (this_element));
1694 l = xmalloc (sizeof (struct name_list));
1695 l->name = output_name;
1700 if (output_bfd == NULL)
1701 RETURN_NONFATAL (output_name);
1703 if (bfd_check_format (this_element, bfd_object))
1705 delete = ! copy_object (this_element, output_bfd);
1708 || bfd_get_arch (this_element) != bfd_arch_unknown)
1710 if (!bfd_close (output_bfd))
1712 bfd_nonfatal (bfd_get_filename (output_bfd));
1713 /* Error in new object file. Don't change archive. */
1718 goto copy_unknown_element;
1722 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1723 bfd_get_archive_filename (this_element));
1725 copy_unknown_element:
1726 delete = !copy_unknown_object (this_element, output_bfd);
1727 if (!bfd_close_all_done (output_bfd))
1729 bfd_nonfatal (bfd_get_filename (output_bfd));
1730 /* Error in new object file. Don't change archive. */
1737 unlink (output_name);
1742 if (preserve_dates && stat_status == 0)
1743 set_times (output_name, &buf);
1745 /* Open the newly output file and attach to our list. */
1746 output_bfd = bfd_openr (output_name, output_target);
1748 l->obfd = output_bfd;
1751 ptr = &output_bfd->next;
1753 last_element = this_element;
1755 this_element = bfd_openr_next_archived_file (ibfd, last_element);
1757 bfd_close (last_element);
1762 if (!bfd_close (obfd))
1763 RETURN_NONFATAL (bfd_get_filename (obfd));
1765 if (!bfd_close (ibfd))
1766 RETURN_NONFATAL (bfd_get_filename (ibfd));
1768 /* Delete all the files that we opened. */
1769 for (l = list; l != NULL; l = l->next)
1771 if (l->obfd == NULL)
1775 bfd_close (l->obfd);
1782 /* The top-level control. */
1785 copy_file (const char *input_filename, const char *output_filename,
1786 const char *input_target, const char *output_target)
1789 char **obj_matching;
1790 char **core_matching;
1792 if (get_file_size (input_filename) < 1)
1794 non_fatal (_("error: the input file '%s' is empty"), input_filename);
1799 /* To allow us to do "strip *" without dying on the first
1800 non-object file, failures are nonfatal. */
1801 ibfd = bfd_openr (input_filename, input_target);
1803 RETURN_NONFATAL (input_filename);
1805 if (bfd_check_format (ibfd, bfd_archive))
1809 /* bfd_get_target does not return the correct value until
1810 bfd_check_format succeeds. */
1811 if (output_target == NULL)
1812 output_target = bfd_get_target (ibfd);
1814 obfd = bfd_openw (output_filename, output_target);
1816 RETURN_NONFATAL (output_filename);
1818 copy_archive (ibfd, obfd, output_target);
1820 else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
1825 /* bfd_get_target does not return the correct value until
1826 bfd_check_format succeeds. */
1827 if (output_target == NULL)
1828 output_target = bfd_get_target (ibfd);
1830 obfd = bfd_openw (output_filename, output_target);
1832 RETURN_NONFATAL (output_filename);
1834 if (! copy_object (ibfd, obfd))
1837 if (!bfd_close (obfd))
1838 RETURN_NONFATAL (output_filename);
1840 if (!bfd_close (ibfd))
1841 RETURN_NONFATAL (input_filename);
1846 bfd_error_type obj_error = bfd_get_error ();
1847 bfd_error_type core_error;
1849 if (bfd_check_format_matches (ibfd, bfd_core, &core_matching))
1851 /* This probably can't happen.. */
1852 if (obj_error == bfd_error_file_ambiguously_recognized)
1853 free (obj_matching);
1857 core_error = bfd_get_error ();
1858 /* Report the object error in preference to the core error. */
1859 if (obj_error != core_error)
1860 bfd_set_error (obj_error);
1862 bfd_nonfatal (input_filename);
1864 if (obj_error == bfd_error_file_ambiguously_recognized)
1866 list_matching_formats (obj_matching);
1867 free (obj_matching);
1869 if (core_error == bfd_error_file_ambiguously_recognized)
1871 list_matching_formats (core_matching);
1872 free (core_matching);
1879 /* Add a name to the section renaming list. */
1882 add_section_rename (const char * old_name, const char * new_name,
1885 section_rename * rename;
1887 /* Check for conflicts first. */
1888 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1889 if (strcmp (rename->old_name, old_name) == 0)
1891 /* Silently ignore duplicate definitions. */
1892 if (strcmp (rename->new_name, new_name) == 0
1893 && rename->flags == flags)
1896 fatal (_("Multiple renames of section %s"), old_name);
1899 rename = xmalloc (sizeof (* rename));
1901 rename->old_name = old_name;
1902 rename->new_name = new_name;
1903 rename->flags = flags;
1904 rename->next = section_rename_list;
1906 section_rename_list = rename;
1909 /* Check the section rename list for a new name of the input section
1910 ISECTION. Return the new name if one is found.
1911 Also set RETURNED_FLAGS to the flags to be used for this section. */
1914 find_section_rename (bfd * ibfd ATTRIBUTE_UNUSED, sec_ptr isection,
1915 flagword * returned_flags)
1917 const char * old_name = bfd_section_name (ibfd, isection);
1918 section_rename * rename;
1920 /* Default to using the flags of the input section. */
1921 * returned_flags = bfd_get_section_flags (ibfd, isection);
1923 for (rename = section_rename_list; rename != NULL; rename = rename->next)
1924 if (strcmp (rename->old_name, old_name) == 0)
1926 if (rename->flags != (flagword) -1)
1927 * returned_flags = rename->flags;
1929 return rename->new_name;
1935 /* Once each of the sections is copied, we may still need to do some
1936 finalization work for private section headers. Do that here. */
1939 setup_bfd_headers (bfd *ibfd, bfd *obfd)
1943 /* Allow the BFD backend to copy any private data it understands
1944 from the input section to the output section. */
1945 if (! bfd_copy_private_header_data (ibfd, obfd))
1947 err = _("private header data");
1951 /* All went well. */
1955 non_fatal (_("%s: error in %s: %s"),
1956 bfd_get_filename (ibfd),
1957 err, bfd_errmsg (bfd_get_error ()));
1961 /* Create a section in OBFD with the same
1962 name and attributes as ISECTION in IBFD. */
1965 setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
1967 bfd *obfd = obfdarg;
1968 struct section_list *p;
1976 char *prefix = NULL;
1978 if (is_strip_section (ibfd, isection))
1981 p = find_section_list (bfd_section_name (ibfd, isection), FALSE);
1985 /* Get the, possibly new, name of the output section. */
1986 name = find_section_rename (ibfd, isection, & flags);
1988 /* Prefix sections. */
1989 if ((prefix_alloc_sections_string)
1990 && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC))
1991 prefix = prefix_alloc_sections_string;
1992 else if (prefix_sections_string)
1993 prefix = prefix_sections_string;
1999 n = xmalloc (strlen (prefix) + strlen (name) + 1);
2005 if (p != NULL && p->set_flags)
2006 flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
2007 else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0)
2008 flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
2010 osection = bfd_make_section_anyway_with_flags (obfd, name, flags);
2012 if (osection == NULL)
2018 if (strip_symbols == STRIP_NONDEBUG
2019 && obfd->xvec->flavour == bfd_target_elf_flavour
2020 && (flags & SEC_ALLOC) != 0
2021 && (p == NULL || !p->set_flags))
2022 elf_section_type (osection) = SHT_NOBITS;
2024 size = bfd_section_size (ibfd, isection);
2026 size = (size + interleave - 1) / interleave;
2027 if (! bfd_set_section_size (obfd, osection, size))
2033 vma = bfd_section_vma (ibfd, isection);
2034 if (p != NULL && p->change_vma == CHANGE_MODIFY)
2036 else if (p != NULL && p->change_vma == CHANGE_SET)
2039 vma += change_section_address;
2041 if (! bfd_set_section_vma (obfd, osection, vma))
2047 lma = isection->lma;
2048 if ((p != NULL) && p->change_lma != CHANGE_IGNORE)
2050 if (p->change_lma == CHANGE_MODIFY)
2052 else if (p->change_lma == CHANGE_SET)
2058 lma += change_section_address;
2060 osection->lma = lma;
2062 /* FIXME: This is probably not enough. If we change the LMA we
2063 may have to recompute the header for the file as well. */
2064 if (!bfd_set_section_alignment (obfd,
2066 bfd_section_alignment (ibfd, isection)))
2068 err = _("alignment");
2072 /* Copy merge entity size. */
2073 osection->entsize = isection->entsize;
2075 /* This used to be mangle_section; we do here to avoid using
2076 bfd_get_section_by_name since some formats allow multiple
2077 sections with the same name. */
2078 isection->output_section = osection;
2079 isection->output_offset = 0;
2081 /* Allow the BFD backend to copy any private data it understands
2082 from the input section to the output section. */
2083 if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
2084 && strip_symbols == STRIP_NONDEBUG)
2085 /* Do not copy the private data when creating an ELF format
2086 debug info file. We do not want the program headers. */
2088 else if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
2090 err = _("private data");
2094 /* All went well. */
2098 non_fatal (_("%s: section `%s': error in %s: %s"),
2099 bfd_get_filename (ibfd),
2100 bfd_section_name (ibfd, isection),
2101 err, bfd_errmsg (bfd_get_error ()));
2105 /* Copy the data of input section ISECTION of IBFD
2106 to an output section with the same name in OBFD.
2107 If stripping then don't copy any relocation info. */
2110 copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
2112 bfd *obfd = obfdarg;
2113 struct section_list *p;
2121 /* If we have already failed earlier on,
2122 do not keep on generating complaints now. */
2126 if (is_strip_section (ibfd, isection))
2129 flags = bfd_get_section_flags (ibfd, isection);
2130 if ((flags & SEC_GROUP) != 0)
2133 osection = isection->output_section;
2134 size = bfd_get_section_size (isection);
2136 if (size == 0 || osection == 0)
2139 p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE);
2141 /* Core files do not need to be relocated. */
2142 if (bfd_get_format (obfd) == bfd_core)
2146 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2150 /* Do not complain if the target does not support relocations. */
2151 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2154 RETURN_NONFATAL (bfd_get_filename (ibfd));
2159 bfd_set_reloc (obfd, osection, NULL, 0);
2162 relpp = xmalloc (relsize);
2163 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
2165 RETURN_NONFATAL (bfd_get_filename (ibfd));
2167 if (strip_symbols == STRIP_ALL)
2169 /* Remove relocations which are not in
2170 keep_strip_specific_list. */
2171 arelent **temp_relpp;
2172 long temp_relcount = 0;
2175 temp_relpp = xmalloc (relsize);
2176 for (i = 0; i < relcount; i++)
2177 if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr),
2178 keep_specific_list))
2179 temp_relpp [temp_relcount++] = relpp [i];
2180 relcount = temp_relcount;
2185 bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount);
2190 if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
2191 && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
2193 void *memhunk = xmalloc (size);
2195 if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size))
2196 RETURN_NONFATAL (bfd_get_filename (ibfd));
2200 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2201 char *from = (char *) memhunk + copy_byte;
2203 char *end = (char *) memhunk + size;
2205 for (; from < end; from += interleave)
2208 size = (size + interleave - 1 - copy_byte) / interleave;
2209 osection->lma /= interleave;
2212 if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2213 RETURN_NONFATAL (bfd_get_filename (obfd));
2217 else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
2219 void *memhunk = xmalloc (size);
2221 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2222 flag--they can just remove the section entirely and add it
2223 back again. However, we do permit them to turn on the
2224 SEC_HAS_CONTENTS flag, and take it to mean that the section
2225 contents should be zeroed out. */
2227 memset (memhunk, 0, size);
2228 if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2229 RETURN_NONFATAL (bfd_get_filename (obfd));
2234 /* Get all the sections. This is used when --gap-fill or --pad-to is
2238 get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
2240 asection ***secppp = secppparg;
2242 **secppp = osection;
2246 /* Sort sections by VMA. This is called via qsort, and is used when
2247 --gap-fill or --pad-to is used. We force non loadable or empty
2248 sections to the front, where they are easier to ignore. */
2251 compare_section_lma (const void *arg1, const void *arg2)
2253 const asection *const *sec1 = arg1;
2254 const asection *const *sec2 = arg2;
2255 flagword flags1, flags2;
2257 /* Sort non loadable sections to the front. */
2258 flags1 = (*sec1)->flags;
2259 flags2 = (*sec2)->flags;
2260 if ((flags1 & SEC_HAS_CONTENTS) == 0
2261 || (flags1 & SEC_LOAD) == 0)
2263 if ((flags2 & SEC_HAS_CONTENTS) != 0
2264 && (flags2 & SEC_LOAD) != 0)
2269 if ((flags2 & SEC_HAS_CONTENTS) == 0
2270 || (flags2 & SEC_LOAD) == 0)
2274 /* Sort sections by LMA. */
2275 if ((*sec1)->lma > (*sec2)->lma)
2277 else if ((*sec1)->lma < (*sec2)->lma)
2280 /* Sort sections with the same LMA by size. */
2281 if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2))
2283 else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2))
2289 /* Mark all the symbols which will be used in output relocations with
2290 the BSF_KEEP flag so that those symbols will not be stripped.
2292 Ignore relocations which will not appear in the output file. */
2295 mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg)
2297 asymbol **symbols = symbolsarg;
2302 /* Ignore an input section with no corresponding output section. */
2303 if (isection->output_section == NULL)
2306 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2309 /* Do not complain if the target does not support relocations. */
2310 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2312 bfd_fatal (bfd_get_filename (ibfd));
2318 relpp = xmalloc (relsize);
2319 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
2321 bfd_fatal (bfd_get_filename (ibfd));
2323 /* Examine each symbol used in a relocation. If it's not one of the
2324 special bfd section symbols, then mark it with BSF_KEEP. */
2325 for (i = 0; i < relcount; i++)
2327 if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol
2328 && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol
2329 && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol)
2330 (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
2337 /* Write out debugging information. */
2340 write_debugging_info (bfd *obfd, void *dhandle,
2341 long *symcountp ATTRIBUTE_UNUSED,
2342 asymbol ***symppp ATTRIBUTE_UNUSED)
2344 if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
2345 return write_ieee_debugging_info (obfd, dhandle);
2347 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
2348 || bfd_get_flavour (obfd) == bfd_target_elf_flavour)
2350 bfd_byte *syms, *strings;
2351 bfd_size_type symsize, stringsize;
2352 asection *stabsec, *stabstrsec;
2355 if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
2360 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
2361 stabsec = bfd_make_section_with_flags (obfd, ".stab", flags);
2362 stabstrsec = bfd_make_section_with_flags (obfd, ".stabstr", flags);
2364 || stabstrsec == NULL
2365 || ! bfd_set_section_size (obfd, stabsec, symsize)
2366 || ! bfd_set_section_size (obfd, stabstrsec, stringsize)
2367 || ! bfd_set_section_alignment (obfd, stabsec, 2)
2368 || ! bfd_set_section_alignment (obfd, stabstrsec, 0))
2370 non_fatal (_("%s: can't create debugging section: %s"),
2371 bfd_get_filename (obfd),
2372 bfd_errmsg (bfd_get_error ()));
2376 /* We can get away with setting the section contents now because
2377 the next thing the caller is going to do is copy over the
2378 real sections. We may someday have to split the contents
2379 setting out of this function. */
2380 if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize)
2381 || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0,
2384 non_fatal (_("%s: can't set debugging section contents: %s"),
2385 bfd_get_filename (obfd),
2386 bfd_errmsg (bfd_get_error ()));
2393 non_fatal (_("%s: don't know how to write debugging information for %s"),
2394 bfd_get_filename (obfd), bfd_get_target (obfd));
2399 strip_main (int argc, char *argv[])
2401 char *input_target = NULL;
2402 char *output_target = NULL;
2403 bfd_boolean show_version = FALSE;
2404 bfd_boolean formats_info = FALSE;
2407 struct section_list *p;
2408 char *output_file = NULL;
2410 while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
2411 strip_options, (int *) 0)) != EOF)
2416 input_target = optarg;
2419 output_target = optarg;
2422 input_target = output_target = optarg;
2425 p = find_section_list (optarg, TRUE);
2427 sections_removed = TRUE;
2430 strip_symbols = STRIP_ALL;
2434 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
2435 strip_symbols = STRIP_DEBUG;
2437 case OPTION_STRIP_UNNEEDED:
2438 strip_symbols = STRIP_UNNEEDED;
2441 add_specific_symbol (optarg, &keep_specific_list);
2444 add_specific_symbol (optarg, &strip_specific_list);
2447 output_file = optarg;
2450 preserve_dates = TRUE;
2453 discard_locals = LOCALS_ALL;
2456 discard_locals = LOCALS_START_L;
2462 show_version = TRUE;
2464 case OPTION_FORMATS_INFO:
2465 formats_info = TRUE;
2467 case OPTION_ONLY_KEEP_DEBUG:
2468 strip_symbols = STRIP_NONDEBUG;
2471 /* We've been given a long option. */
2478 strip_usage (stdout, 0);
2480 strip_usage (stderr, 1);
2491 print_version ("strip");
2493 /* Default is to strip all symbols. */
2494 if (strip_symbols == STRIP_UNDEF
2495 && discard_locals == LOCALS_UNDEF
2496 && strip_specific_list == NULL)
2497 strip_symbols = STRIP_ALL;
2499 if (output_target == NULL)
2500 output_target = input_target;
2504 || (output_file != NULL && (i + 1) < argc))
2505 strip_usage (stderr, 1);
2507 for (; i < argc; i++)
2509 int hold_status = status;
2510 struct stat statbuf;
2513 if (get_file_size (argv[i]) < 1)
2517 /* No need to check the return value of stat().
2518 It has already been checked in get_file_size(). */
2519 stat (argv[i], &statbuf);
2521 if (output_file != NULL)
2522 tmpname = output_file;
2524 tmpname = make_tempname (argv[i]);
2527 copy_file (argv[i], tmpname, input_target, output_target);
2531 set_times (tmpname, &statbuf);
2532 if (output_file == NULL)
2533 smart_rename (tmpname, argv[i], preserve_dates);
2534 status = hold_status;
2537 unlink_if_ordinary (tmpname);
2538 if (output_file == NULL)
2546 copy_main (int argc, char *argv[])
2548 char * binary_architecture = NULL;
2549 char *input_filename = NULL;
2550 char *output_filename = NULL;
2551 char *input_target = NULL;
2552 char *output_target = NULL;
2553 bfd_boolean show_version = FALSE;
2554 bfd_boolean change_warn = TRUE;
2555 bfd_boolean formats_info = FALSE;
2557 struct section_list *p;
2558 struct stat statbuf;
2560 while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
2561 copy_options, (int *) 0)) != EOF)
2566 copy_byte = atoi (optarg);
2568 fatal (_("byte number must be non-negative"));
2572 binary_architecture = optarg;
2576 interleave = atoi (optarg);
2578 fatal (_("interleave must be positive"));
2582 case 's': /* "source" - 'I' is preferred */
2583 input_target = optarg;
2587 case 'd': /* "destination" - 'O' is preferred */
2588 output_target = optarg;
2592 input_target = output_target = optarg;
2596 p = find_section_list (optarg, TRUE);
2598 fatal (_("%s both copied and removed"), optarg);
2600 sections_copied = TRUE;
2604 p = find_section_list (optarg, TRUE);
2606 fatal (_("%s both copied and removed"), optarg);
2608 sections_removed = TRUE;
2612 strip_symbols = STRIP_ALL;
2616 strip_symbols = STRIP_DEBUG;
2619 case OPTION_STRIP_UNNEEDED:
2620 strip_symbols = STRIP_UNNEEDED;
2623 case OPTION_ONLY_KEEP_DEBUG:
2624 strip_symbols = STRIP_NONDEBUG;
2627 case OPTION_ADD_GNU_DEBUGLINK:
2628 gnu_debuglink_filename = optarg;
2632 add_specific_symbol (optarg, &keep_specific_list);
2636 add_specific_symbol (optarg, &strip_specific_list);
2639 case OPTION_STRIP_UNNEEDED_SYMBOL:
2640 add_specific_symbol (optarg, &strip_unneeded_list);
2644 add_specific_symbol (optarg, &localize_specific_list);
2647 case OPTION_GLOBALIZE_SYMBOL:
2648 add_specific_symbol (optarg, &globalize_specific_list);
2652 add_specific_symbol (optarg, &keepglobal_specific_list);
2656 add_specific_symbol (optarg, &weaken_specific_list);
2660 preserve_dates = TRUE;
2668 discard_locals = LOCALS_ALL;
2672 discard_locals = LOCALS_START_L;
2680 show_version = TRUE;
2683 case OPTION_FORMATS_INFO:
2684 formats_info = TRUE;
2691 case OPTION_ADD_SECTION:
2695 struct section_add *pa;
2700 s = strchr (optarg, '=');
2703 fatal (_("bad format for %s"), "--add-section");
2705 size = get_file_size (s + 1);
2709 pa = xmalloc (sizeof (struct section_add));
2712 name = xmalloc (len + 1);
2713 strncpy (name, optarg, len);
2717 pa->filename = s + 1;
2719 pa->contents = xmalloc (size);
2721 f = fopen (pa->filename, FOPEN_RB);
2724 fatal (_("cannot open: %s: %s"),
2725 pa->filename, strerror (errno));
2727 if (fread (pa->contents, 1, pa->size, f) == 0
2729 fatal (_("%s: fread failed"), pa->filename);
2733 pa->next = add_sections;
2738 case OPTION_CHANGE_START:
2739 change_start = parse_vma (optarg, "--change-start");
2742 case OPTION_CHANGE_SECTION_ADDRESS:
2743 case OPTION_CHANGE_SECTION_LMA:
2744 case OPTION_CHANGE_SECTION_VMA:
2749 char *option = NULL;
2751 enum change_action what = CHANGE_IGNORE;
2755 case OPTION_CHANGE_SECTION_ADDRESS:
2756 option = "--change-section-address";
2758 case OPTION_CHANGE_SECTION_LMA:
2759 option = "--change-section-lma";
2761 case OPTION_CHANGE_SECTION_VMA:
2762 option = "--change-section-vma";
2766 s = strchr (optarg, '=');
2769 s = strchr (optarg, '+');
2772 s = strchr (optarg, '-');
2774 fatal (_("bad format for %s"), option);
2779 name = xmalloc (len + 1);
2780 strncpy (name, optarg, len);
2783 p = find_section_list (name, TRUE);
2785 val = parse_vma (s + 1, option);
2789 case '=': what = CHANGE_SET; break;
2790 case '-': val = - val; /* Drop through. */
2791 case '+': what = CHANGE_MODIFY; break;
2796 case OPTION_CHANGE_SECTION_ADDRESS:
2797 p->change_vma = what;
2801 case OPTION_CHANGE_SECTION_LMA:
2802 p->change_lma = what;
2806 case OPTION_CHANGE_SECTION_VMA:
2807 p->change_vma = what;
2814 case OPTION_CHANGE_ADDRESSES:
2815 change_section_address = parse_vma (optarg, "--change-addresses");
2816 change_start = change_section_address;
2819 case OPTION_CHANGE_WARNINGS:
2823 case OPTION_CHANGE_LEADING_CHAR:
2824 change_leading_char = TRUE;
2827 case OPTION_DEBUGGING:
2828 convert_debugging = TRUE;
2831 case OPTION_GAP_FILL:
2833 bfd_vma gap_fill_vma;
2835 gap_fill_vma = parse_vma (optarg, "--gap-fill");
2836 gap_fill = (bfd_byte) gap_fill_vma;
2837 if ((bfd_vma) gap_fill != gap_fill_vma)
2841 sprintf_vma (buff, gap_fill_vma);
2843 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
2846 gap_fill_set = TRUE;
2850 case OPTION_NO_CHANGE_WARNINGS:
2851 change_warn = FALSE;
2855 pad_to = parse_vma (optarg, "--pad-to");
2859 case OPTION_REMOVE_LEADING_CHAR:
2860 remove_leading_char = TRUE;
2863 case OPTION_REDEFINE_SYM:
2865 /* Push this redefinition onto redefine_symbol_list. */
2869 const char *nextarg;
2870 char *source, *target;
2872 s = strchr (optarg, '=');
2874 fatal (_("bad format for %s"), "--redefine-sym");
2877 source = xmalloc (len + 1);
2878 strncpy (source, optarg, len);
2882 len = strlen (nextarg);
2883 target = xmalloc (len + 1);
2884 strcpy (target, nextarg);
2886 redefine_list_append ("--redefine-sym", source, target);
2893 case OPTION_REDEFINE_SYMS:
2894 add_redefine_syms_file (optarg);
2897 case OPTION_SET_SECTION_FLAGS:
2903 s = strchr (optarg, '=');
2905 fatal (_("bad format for %s"), "--set-section-flags");
2908 name = xmalloc (len + 1);
2909 strncpy (name, optarg, len);
2912 p = find_section_list (name, TRUE);
2914 p->set_flags = TRUE;
2915 p->flags = parse_flags (s + 1);
2919 case OPTION_RENAME_SECTION:
2922 const char *eq, *fl;
2927 eq = strchr (optarg, '=');
2929 fatal (_("bad format for %s"), "--rename-section");
2933 fatal (_("bad format for %s"), "--rename-section");
2935 old_name = xmalloc (len + 1);
2936 strncpy (old_name, optarg, len);
2940 fl = strchr (eq, ',');
2943 flags = parse_flags (fl + 1);
2953 fatal (_("bad format for %s"), "--rename-section");
2955 new_name = xmalloc (len + 1);
2956 strncpy (new_name, eq, len);
2959 add_section_rename (old_name, new_name, flags);
2963 case OPTION_SET_START:
2964 set_start = parse_vma (optarg, "--set-start");
2965 set_start_set = TRUE;
2968 case OPTION_SREC_LEN:
2969 Chunk = parse_vma (optarg, "--srec-len");
2972 case OPTION_SREC_FORCES3:
2976 case OPTION_STRIP_SYMBOLS:
2977 add_specific_symbols (optarg, &strip_specific_list);
2980 case OPTION_STRIP_UNNEEDED_SYMBOLS:
2981 add_specific_symbols (optarg, &strip_unneeded_list);
2984 case OPTION_KEEP_SYMBOLS:
2985 add_specific_symbols (optarg, &keep_specific_list);
2988 case OPTION_LOCALIZE_SYMBOLS:
2989 add_specific_symbols (optarg, &localize_specific_list);
2992 case OPTION_GLOBALIZE_SYMBOLS:
2993 add_specific_symbols (optarg, &globalize_specific_list);
2996 case OPTION_KEEPGLOBAL_SYMBOLS:
2997 add_specific_symbols (optarg, &keepglobal_specific_list);
3000 case OPTION_WEAKEN_SYMBOLS:
3001 add_specific_symbols (optarg, &weaken_specific_list);
3004 case OPTION_ALT_MACH_CODE:
3005 use_alt_mach_code = atoi (optarg);
3006 if (use_alt_mach_code <= 0)
3007 fatal (_("alternate machine code index must be positive"));
3010 case OPTION_PREFIX_SYMBOLS:
3011 prefix_symbols_string = optarg;
3014 case OPTION_PREFIX_SECTIONS:
3015 prefix_sections_string = optarg;
3018 case OPTION_PREFIX_ALLOC_SECTIONS:
3019 prefix_alloc_sections_string = optarg;
3022 case OPTION_READONLY_TEXT:
3023 bfd_flags_to_set |= WP_TEXT;
3024 bfd_flags_to_clear &= ~WP_TEXT;
3027 case OPTION_WRITABLE_TEXT:
3028 bfd_flags_to_clear |= WP_TEXT;
3029 bfd_flags_to_set &= ~WP_TEXT;
3033 bfd_flags_to_set |= D_PAGED;
3034 bfd_flags_to_clear &= ~D_PAGED;
3038 bfd_flags_to_clear |= D_PAGED;
3039 bfd_flags_to_set &= ~D_PAGED;
3043 /* We've been given a long option. */
3048 copy_usage (stdout, 0);
3051 copy_usage (stderr, 1);
3062 print_version ("objcopy");
3064 if (copy_byte >= interleave)
3065 fatal (_("byte number must be less than interleave"));
3067 if (optind == argc || optind + 2 < argc)
3068 copy_usage (stderr, 1);
3070 input_filename = argv[optind];
3071 if (optind + 1 < argc)
3072 output_filename = argv[optind + 1];
3074 /* Default is to strip no symbols. */
3075 if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF)
3076 strip_symbols = STRIP_NONE;
3078 if (output_target == NULL)
3079 output_target = input_target;
3081 if (binary_architecture != NULL)
3083 if (input_target && strcmp (input_target, "binary") == 0)
3085 const bfd_arch_info_type * temp_arch_info;
3087 temp_arch_info = bfd_scan_arch (binary_architecture);
3089 if (temp_arch_info != NULL)
3091 bfd_external_binary_architecture = temp_arch_info->arch;
3092 bfd_external_machine = temp_arch_info->mach;
3095 fatal (_("architecture %s unknown"), binary_architecture);
3099 non_fatal (_("Warning: input target 'binary' required for binary architecture parameter."));
3100 non_fatal (_(" Argument %s ignored"), binary_architecture);
3105 if (stat (input_filename, & statbuf) < 0)
3106 fatal (_("warning: could not locate '%s'. System error message: %s"),
3107 input_filename, strerror (errno));
3109 /* If there is no destination file, or the source and destination files
3110 are the same, then create a temp and rename the result into the input. */
3111 if (output_filename == NULL || strcmp (input_filename, output_filename) == 0)
3113 char *tmpname = make_tempname (input_filename);
3115 copy_file (input_filename, tmpname, input_target, output_target);
3119 set_times (tmpname, &statbuf);
3120 smart_rename (tmpname, input_filename, preserve_dates);
3127 copy_file (input_filename, output_filename, input_target, output_target);
3129 if (status == 0 && preserve_dates)
3130 set_times (output_filename, &statbuf);
3131 else if (status != 0)
3132 unlink_if_ordinary (output_filename);
3137 for (p = change_sections; p != NULL; p = p->next)
3141 if (p->change_vma != CHANGE_IGNORE)
3145 sprintf_vma (buff, p->vma_val);
3147 /* xgettext:c-format */
3148 non_fatal (_("%s %s%c0x%s never used"),
3149 "--change-section-vma",
3151 p->change_vma == CHANGE_SET ? '=' : '+',
3155 if (p->change_lma != CHANGE_IGNORE)
3159 sprintf_vma (buff, p->lma_val);
3161 /* xgettext:c-format */
3162 non_fatal (_("%s %s%c0x%s never used"),
3163 "--change-section-lma",
3165 p->change_lma == CHANGE_SET ? '=' : '+',
3176 main (int argc, char *argv[])
3178 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3179 setlocale (LC_MESSAGES, "");
3181 #if defined (HAVE_SETLOCALE)
3182 setlocale (LC_CTYPE, "");
3184 bindtextdomain (PACKAGE, LOCALEDIR);
3185 textdomain (PACKAGE);
3187 program_name = argv[0];
3188 xmalloc_set_program_name (program_name);
3190 START_PROGRESS (program_name, 0);
3192 expandargv (&argc, &argv);
3194 strip_symbols = STRIP_UNDEF;
3195 discard_locals = LOCALS_UNDEF;
3198 set_default_bfd_target ();
3202 int i = strlen (program_name);
3203 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
3204 /* Drop the .exe suffix, if any. */
3205 if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0)
3208 program_name[i] = '\0';
3211 is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0);
3215 strip_main (argc, argv);
3217 copy_main (argc, argv);
3219 END_PROGRESS (program_name);