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, 2007, 2008, 2009, 2010, 2011
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 3 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"
30 #include "filenames.h"
35 #include "coff/internal.h"
38 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
39 header in generic PE code. */
40 #include "coff/i386.h"
43 static bfd_vma pe_file_alignment
= (bfd_vma
) -1;
44 static bfd_vma pe_heap_commit
= (bfd_vma
) -1;
45 static bfd_vma pe_heap_reserve
= (bfd_vma
) -1;
46 static bfd_vma pe_image_base
= (bfd_vma
) -1;
47 static bfd_vma pe_section_alignment
= (bfd_vma
) -1;
48 static bfd_vma pe_stack_commit
= (bfd_vma
) -1;
49 static bfd_vma pe_stack_reserve
= (bfd_vma
) -1;
50 static short pe_subsystem
= -1;
51 static short pe_major_subsystem_version
= -1;
52 static short pe_minor_subsystem_version
= -1;
54 struct is_specified_symbol_predicate_data
60 /* A list to support redefine_sym. */
65 struct redefine_node
*next
;
68 typedef struct section_rename
70 const char * old_name
;
71 const char * new_name
;
73 struct section_rename
* next
;
77 /* List of sections to be renamed. */
78 static section_rename
*section_rename_list
;
80 static asymbol
**isympp
= NULL
; /* Input symbols. */
81 static asymbol
**osympp
= NULL
; /* Output symbols that survive stripping. */
83 /* If `copy_byte' >= 0, copy 'copy_width' byte(s) of every `interleave' bytes. */
84 static int copy_byte
= -1;
85 static int interleave
= 0; /* Initialised to 4 in copy_main(). */
86 static int copy_width
= 1;
88 static bfd_boolean verbose
; /* Print file and target names. */
89 static bfd_boolean preserve_dates
; /* Preserve input file timestamp. */
90 static int status
= 0; /* Exit status. */
95 STRIP_NONE
, /* Don't strip. */
96 STRIP_DEBUG
, /* Strip all debugger symbols. */
97 STRIP_UNNEEDED
, /* Strip unnecessary symbols. */
98 STRIP_NONDEBUG
, /* Strip everything but debug info. */
99 STRIP_ALL
/* Strip all symbols. */
102 /* Which symbols to remove. */
103 static enum strip_action strip_symbols
;
108 LOCALS_START_L
, /* Discard locals starting with L. */
109 LOCALS_ALL
/* Discard all locals. */
112 /* Which local symbols to remove. Overrides STRIP_ALL. */
113 static enum locals_action discard_locals
;
115 /* What kind of change to perform. */
123 /* Structure used to hold lists of sections and actions to take. */
126 struct section_list
* next
; /* Next section to change. */
127 const char * name
; /* Section name. */
128 bfd_boolean used
; /* Whether this entry was used. */
129 bfd_boolean remove
; /* Whether to remove this section. */
130 bfd_boolean copy
; /* Whether to copy this section. */
131 enum change_action change_vma
;/* Whether to change or set VMA. */
132 bfd_vma vma_val
; /* Amount to change by or set to. */
133 enum change_action change_lma
;/* Whether to change or set LMA. */
134 bfd_vma lma_val
; /* Amount to change by or set to. */
135 bfd_boolean set_flags
; /* Whether to set the section flags. */
136 flagword flags
; /* What to set the section flags to. */
139 static struct section_list
*change_sections
;
141 /* TRUE if some sections are to be removed. */
142 static bfd_boolean sections_removed
;
144 /* TRUE if only some sections are to be copied. */
145 static bfd_boolean sections_copied
;
147 /* Changes to the start address. */
148 static bfd_vma change_start
= 0;
149 static bfd_boolean set_start_set
= FALSE
;
150 static bfd_vma set_start
;
152 /* Changes to section addresses. */
153 static bfd_vma change_section_address
= 0;
155 /* Filling gaps between sections. */
156 static bfd_boolean gap_fill_set
= FALSE
;
157 static bfd_byte gap_fill
= 0;
159 /* Pad to a given address. */
160 static bfd_boolean pad_to_set
= FALSE
;
161 static bfd_vma pad_to
;
163 /* Use alternative machine code? */
164 static unsigned long use_alt_mach_code
= 0;
166 /* Output BFD flags user wants to set or clear */
167 static flagword bfd_flags_to_set
;
168 static flagword bfd_flags_to_clear
;
170 /* List of sections to add. */
173 /* Next section to add. */
174 struct section_add
*next
;
175 /* Name of section to add. */
177 /* Name of file holding section contents. */
178 const char *filename
;
181 /* Contents of file. */
183 /* BFD section, after it has been added. */
187 /* List of sections to add to the output BFD. */
188 static struct section_add
*add_sections
;
190 /* If non-NULL the argument to --add-gnu-debuglink.
191 This should be the filename to store in the .gnu_debuglink section. */
192 static const char * gnu_debuglink_filename
= NULL
;
194 /* Whether to convert debugging information. */
195 static bfd_boolean convert_debugging
= FALSE
;
197 /* Whether to compress/decompress DWARF debug sections. */
203 } do_debug_sections
= nothing
;
205 /* Whether to change the leading character in symbol names. */
206 static bfd_boolean change_leading_char
= FALSE
;
208 /* Whether to remove the leading character from global symbol names. */
209 static bfd_boolean remove_leading_char
= FALSE
;
211 /* Whether to permit wildcard in symbol comparison. */
212 static bfd_boolean wildcard
= FALSE
;
214 /* True if --localize-hidden is in effect. */
215 static bfd_boolean localize_hidden
= FALSE
;
217 /* List of symbols to strip, keep, localize, keep-global, weaken,
219 static htab_t strip_specific_htab
= NULL
;
220 static htab_t strip_unneeded_htab
= NULL
;
221 static htab_t keep_specific_htab
= NULL
;
222 static htab_t localize_specific_htab
= NULL
;
223 static htab_t globalize_specific_htab
= NULL
;
224 static htab_t keepglobal_specific_htab
= NULL
;
225 static htab_t weaken_specific_htab
= NULL
;
226 static struct redefine_node
*redefine_sym_list
= NULL
;
228 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
229 static bfd_boolean weaken
= FALSE
;
231 /* If this is TRUE, we retain BSF_FILE symbols. */
232 static bfd_boolean keep_file_symbols
= FALSE
;
234 /* Prefix symbols/sections. */
235 static char *prefix_symbols_string
= 0;
236 static char *prefix_sections_string
= 0;
237 static char *prefix_alloc_sections_string
= 0;
239 /* True if --extract-symbol was passed on the command line. */
240 static bfd_boolean extract_symbol
= FALSE
;
242 /* If `reverse_bytes' is nonzero, then reverse the order of every chunk
243 of <reverse_bytes> bytes within each output section. */
244 static int reverse_bytes
= 0;
246 /* For Coff objects, we may want to allow or disallow long section names,
247 or preserve them where found in the inputs. Debug info relies on them. */
248 enum long_section_name_handling
255 /* The default long section handling mode is to preserve them.
256 This is also the only behaviour for 'strip'. */
257 static enum long_section_name_handling long_section_names
= KEEP
;
259 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
260 enum command_line_switch
262 OPTION_ADD_SECTION
=150,
263 OPTION_CHANGE_ADDRESSES
,
264 OPTION_CHANGE_LEADING_CHAR
,
266 OPTION_CHANGE_SECTION_ADDRESS
,
267 OPTION_CHANGE_SECTION_LMA
,
268 OPTION_CHANGE_SECTION_VMA
,
269 OPTION_CHANGE_WARNINGS
,
270 OPTION_COMPRESS_DEBUG_SECTIONS
,
272 OPTION_DECOMPRESS_DEBUG_SECTIONS
,
274 OPTION_NO_CHANGE_WARNINGS
,
276 OPTION_REMOVE_LEADING_CHAR
,
277 OPTION_SET_SECTION_FLAGS
,
279 OPTION_STRIP_UNNEEDED
,
282 OPTION_REDEFINE_SYMS
,
285 OPTION_STRIP_SYMBOLS
,
286 OPTION_STRIP_UNNEEDED_SYMBOL
,
287 OPTION_STRIP_UNNEEDED_SYMBOLS
,
289 OPTION_LOCALIZE_HIDDEN
,
290 OPTION_LOCALIZE_SYMBOLS
,
291 OPTION_LONG_SECTION_NAMES
,
292 OPTION_GLOBALIZE_SYMBOL
,
293 OPTION_GLOBALIZE_SYMBOLS
,
294 OPTION_KEEPGLOBAL_SYMBOLS
,
295 OPTION_WEAKEN_SYMBOLS
,
296 OPTION_RENAME_SECTION
,
297 OPTION_ALT_MACH_CODE
,
298 OPTION_PREFIX_SYMBOLS
,
299 OPTION_PREFIX_SECTIONS
,
300 OPTION_PREFIX_ALLOC_SECTIONS
,
302 OPTION_ADD_GNU_DEBUGLINK
,
303 OPTION_ONLY_KEEP_DEBUG
,
304 OPTION_KEEP_FILE_SYMBOLS
,
305 OPTION_READONLY_TEXT
,
306 OPTION_WRITABLE_TEXT
,
309 OPTION_EXTRACT_SYMBOL
,
310 OPTION_REVERSE_BYTES
,
311 OPTION_FILE_ALIGNMENT
,
314 OPTION_SECTION_ALIGNMENT
,
316 OPTION_INTERLEAVE_WIDTH
,
320 /* Options to handle if running as "strip". */
322 static struct option strip_options
[] =
324 {"discard-all", no_argument
, 0, 'x'},
325 {"discard-locals", no_argument
, 0, 'X'},
326 {"format", required_argument
, 0, 'F'}, /* Obsolete */
327 {"help", no_argument
, 0, 'h'},
328 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
329 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
330 {"input-target", required_argument
, 0, 'I'},
331 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
332 {"keep-symbol", required_argument
, 0, 'K'},
333 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
334 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
335 {"output-target", required_argument
, 0, 'O'},
336 {"output-file", required_argument
, 0, 'o'},
337 {"preserve-dates", no_argument
, 0, 'p'},
338 {"remove-section", required_argument
, 0, 'R'},
339 {"strip-all", no_argument
, 0, 's'},
340 {"strip-debug", no_argument
, 0, 'S'},
341 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
342 {"strip-symbol", required_argument
, 0, 'N'},
343 {"target", required_argument
, 0, 'F'},
344 {"verbose", no_argument
, 0, 'v'},
345 {"version", no_argument
, 0, 'V'},
346 {"wildcard", no_argument
, 0, 'w'},
347 {0, no_argument
, 0, 0}
350 /* Options to handle if running as "objcopy". */
352 static struct option copy_options
[] =
354 {"add-gnu-debuglink", required_argument
, 0, OPTION_ADD_GNU_DEBUGLINK
},
355 {"add-section", required_argument
, 0, OPTION_ADD_SECTION
},
356 {"adjust-start", required_argument
, 0, OPTION_CHANGE_START
},
357 {"adjust-vma", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
358 {"adjust-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
359 {"adjust-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
360 {"alt-machine-code", required_argument
, 0, OPTION_ALT_MACH_CODE
},
361 {"binary-architecture", required_argument
, 0, 'B'},
362 {"byte", required_argument
, 0, 'b'},
363 {"change-addresses", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
364 {"change-leading-char", no_argument
, 0, OPTION_CHANGE_LEADING_CHAR
},
365 {"change-section-address", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
366 {"change-section-lma", required_argument
, 0, OPTION_CHANGE_SECTION_LMA
},
367 {"change-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_VMA
},
368 {"change-start", required_argument
, 0, OPTION_CHANGE_START
},
369 {"change-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
370 {"compress-debug-sections", no_argument
, 0, OPTION_COMPRESS_DEBUG_SECTIONS
},
371 {"debugging", no_argument
, 0, OPTION_DEBUGGING
},
372 {"decompress-debug-sections", no_argument
, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS
},
373 {"discard-all", no_argument
, 0, 'x'},
374 {"discard-locals", no_argument
, 0, 'X'},
375 {"extract-symbol", no_argument
, 0, OPTION_EXTRACT_SYMBOL
},
376 {"format", required_argument
, 0, 'F'}, /* Obsolete */
377 {"gap-fill", required_argument
, 0, OPTION_GAP_FILL
},
378 {"globalize-symbol", required_argument
, 0, OPTION_GLOBALIZE_SYMBOL
},
379 {"globalize-symbols", required_argument
, 0, OPTION_GLOBALIZE_SYMBOLS
},
380 {"help", no_argument
, 0, 'h'},
381 {"impure", no_argument
, 0, OPTION_IMPURE
},
382 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
383 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
384 {"input-target", required_argument
, 0, 'I'},
385 {"interleave", optional_argument
, 0, 'i'},
386 {"interleave-width", required_argument
, 0, OPTION_INTERLEAVE_WIDTH
},
387 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
388 {"keep-global-symbol", required_argument
, 0, 'G'},
389 {"keep-global-symbols", required_argument
, 0, OPTION_KEEPGLOBAL_SYMBOLS
},
390 {"keep-symbol", required_argument
, 0, 'K'},
391 {"keep-symbols", required_argument
, 0, OPTION_KEEP_SYMBOLS
},
392 {"localize-hidden", no_argument
, 0, OPTION_LOCALIZE_HIDDEN
},
393 {"localize-symbol", required_argument
, 0, 'L'},
394 {"localize-symbols", required_argument
, 0, OPTION_LOCALIZE_SYMBOLS
},
395 {"long-section-names", required_argument
, 0, OPTION_LONG_SECTION_NAMES
},
396 {"no-adjust-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
397 {"no-change-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
398 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
399 {"only-section", required_argument
, 0, 'j'},
400 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
401 {"output-target", required_argument
, 0, 'O'},
402 {"pad-to", required_argument
, 0, OPTION_PAD_TO
},
403 {"prefix-symbols", required_argument
, 0, OPTION_PREFIX_SYMBOLS
},
404 {"prefix-sections", required_argument
, 0, OPTION_PREFIX_SECTIONS
},
405 {"prefix-alloc-sections", required_argument
, 0, OPTION_PREFIX_ALLOC_SECTIONS
},
406 {"preserve-dates", no_argument
, 0, 'p'},
407 {"pure", no_argument
, 0, OPTION_PURE
},
408 {"readonly-text", no_argument
, 0, OPTION_READONLY_TEXT
},
409 {"redefine-sym", required_argument
, 0, OPTION_REDEFINE_SYM
},
410 {"redefine-syms", required_argument
, 0, OPTION_REDEFINE_SYMS
},
411 {"remove-leading-char", no_argument
, 0, OPTION_REMOVE_LEADING_CHAR
},
412 {"remove-section", required_argument
, 0, 'R'},
413 {"rename-section", required_argument
, 0, OPTION_RENAME_SECTION
},
414 {"reverse-bytes", required_argument
, 0, OPTION_REVERSE_BYTES
},
415 {"set-section-flags", required_argument
, 0, OPTION_SET_SECTION_FLAGS
},
416 {"set-start", required_argument
, 0, OPTION_SET_START
},
417 {"srec-len", required_argument
, 0, OPTION_SREC_LEN
},
418 {"srec-forceS3", no_argument
, 0, OPTION_SREC_FORCES3
},
419 {"strip-all", no_argument
, 0, 'S'},
420 {"strip-debug", no_argument
, 0, 'g'},
421 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
422 {"strip-unneeded-symbol", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOL
},
423 {"strip-unneeded-symbols", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOLS
},
424 {"strip-symbol", required_argument
, 0, 'N'},
425 {"strip-symbols", required_argument
, 0, OPTION_STRIP_SYMBOLS
},
426 {"target", required_argument
, 0, 'F'},
427 {"verbose", no_argument
, 0, 'v'},
428 {"version", no_argument
, 0, 'V'},
429 {"weaken", no_argument
, 0, OPTION_WEAKEN
},
430 {"weaken-symbol", required_argument
, 0, 'W'},
431 {"weaken-symbols", required_argument
, 0, OPTION_WEAKEN_SYMBOLS
},
432 {"wildcard", no_argument
, 0, 'w'},
433 {"writable-text", no_argument
, 0, OPTION_WRITABLE_TEXT
},
434 {"file-alignment", required_argument
, 0, OPTION_FILE_ALIGNMENT
},
435 {"heap", required_argument
, 0, OPTION_HEAP
},
436 {"image-base", required_argument
, 0 , OPTION_IMAGE_BASE
},
437 {"section-alignment", required_argument
, 0, OPTION_SECTION_ALIGNMENT
},
438 {"stack", required_argument
, 0, OPTION_STACK
},
439 {"subsystem", required_argument
, 0, OPTION_SUBSYSTEM
},
440 {0, no_argument
, 0, 0}
444 extern char *program_name
;
446 /* This flag distinguishes between strip and objcopy:
447 1 means this is 'strip'; 0 means this is 'objcopy'.
448 -1 means if we should use argv[0] to decide. */
451 /* The maximum length of an S record. This variable is declared in srec.c
452 and can be modified by the --srec-len parameter. */
453 extern unsigned int Chunk
;
455 /* Restrict the generation of Srecords to type S3 only.
456 This variable is declare in bfd/srec.c and can be toggled
457 on by the --srec-forceS3 command line switch. */
458 extern bfd_boolean S3Forced
;
460 /* Forward declarations. */
461 static void setup_section (bfd
*, asection
*, void *);
462 static void setup_bfd_headers (bfd
*, bfd
*);
463 static void copy_section (bfd
*, asection
*, void *);
464 static void get_sections (bfd
*, asection
*, void *);
465 static int compare_section_lma (const void *, const void *);
466 static void mark_symbols_used_in_relocations (bfd
*, asection
*, void *);
467 static bfd_boolean
write_debugging_info (bfd
*, void *, long *, asymbol
***);
468 static const char *lookup_sym_redefinition (const char *);
471 copy_usage (FILE *stream
, int exit_status
)
473 fprintf (stream
, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name
);
474 fprintf (stream
, _(" Copies a binary file, possibly transforming it in the process\n"));
475 fprintf (stream
, _(" The options are:\n"));
476 fprintf (stream
, _("\
477 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
478 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
479 -B --binary-architecture <arch> Set output arch, when input is arch-less\n\
480 -F --target <bfdname> Set both input and output format to <bfdname>\n\
481 --debugging Convert debugging information, if possible\n\
482 -p --preserve-dates Copy modified/access timestamps to the output\n\
483 -j --only-section <name> Only copy section <name> into the output\n\
484 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
485 -R --remove-section <name> Remove section <name> from the output\n\
486 -S --strip-all Remove all symbol and relocation information\n\
487 -g --strip-debug Remove all debugging symbols & sections\n\
488 --strip-unneeded Remove all symbols not needed by relocations\n\
489 -N --strip-symbol <name> Do not copy symbol <name>\n\
490 --strip-unneeded-symbol <name>\n\
491 Do not copy symbol <name> unless needed by\n\
493 --only-keep-debug Strip everything but the debug information\n\
494 --extract-symbol Remove section contents but keep symbols\n\
495 -K --keep-symbol <name> Do not strip symbol <name>\n\
496 --keep-file-symbols Do not strip file symbol(s)\n\
497 --localize-hidden Turn all ELF hidden symbols into locals\n\
498 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
499 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
500 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
501 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
502 --weaken Force all global symbols to be marked as weak\n\
503 -w --wildcard Permit wildcard in symbol comparison\n\
504 -x --discard-all Remove all non-global symbols\n\
505 -X --discard-locals Remove any compiler-generated symbols\n\
506 -i --interleave [<number>] Only copy N out of every <number> bytes\n\
507 --interleave-width <number> Set N for --interleave\n\
508 -b --byte <num> Select byte <num> in every interleaved block\n\
509 --gap-fill <val> Fill gaps between sections with <val>\n\
510 --pad-to <addr> Pad the last section up to address <addr>\n\
511 --set-start <addr> Set the start address to <addr>\n\
512 {--change-start|--adjust-start} <incr>\n\
513 Add <incr> to the start address\n\
514 {--change-addresses|--adjust-vma} <incr>\n\
515 Add <incr> to LMA, VMA and start addresses\n\
516 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
517 Change LMA and VMA of section <name> by <val>\n\
518 --change-section-lma <name>{=|+|-}<val>\n\
519 Change the LMA of section <name> by <val>\n\
520 --change-section-vma <name>{=|+|-}<val>\n\
521 Change the VMA of section <name> by <val>\n\
522 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
523 Warn if a named section does not exist\n\
524 --set-section-flags <name>=<flags>\n\
525 Set section <name>'s properties to <flags>\n\
526 --add-section <name>=<file> Add section <name> found in <file> to output\n\
527 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
528 --long-section-names {enable|disable|keep}\n\
529 Handle long section names in Coff objects.\n\
530 --change-leading-char Force output format's leading character style\n\
531 --remove-leading-char Remove leading character from global symbols\n\
532 --reverse-bytes=<num> Reverse <num> bytes at a time, in output sections with content\n\
533 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
534 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
536 --srec-len <number> Restrict the length of generated Srecords\n\
537 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
538 --strip-symbols <file> -N for all symbols listed in <file>\n\
539 --strip-unneeded-symbols <file>\n\
540 --strip-unneeded-symbol for all symbols listed\n\
542 --keep-symbols <file> -K for all symbols listed in <file>\n\
543 --localize-symbols <file> -L for all symbols listed in <file>\n\
544 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
545 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
546 --weaken-symbols <file> -W for all symbols listed in <file>\n\
547 --alt-machine-code <index> Use the target's <index>'th alternative machine\n\
548 --writable-text Mark the output text as writable\n\
549 --readonly-text Make the output text write protected\n\
550 --pure Mark the output file as demand paged\n\
551 --impure Mark the output file as impure\n\
552 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
553 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
554 --prefix-alloc-sections <prefix>\n\
555 Add <prefix> to start of every allocatable\n\
557 --file-alignment <num> Set PE file alignment to <num>\n\
558 --heap <reserve>[,<commit>] Set PE reserve/commit heap to <reserve>/\n\
560 --image-base <address> Set PE image base to <address>\n\
561 --section-alignment <num> Set PE section alignment to <num>\n\
562 --stack <reserve>[,<commit>] Set PE reserve/commit stack to <reserve>/\n\
564 --subsystem <name>[:<version>]\n\
565 Set PE subsystem to <name> [& <version>]\n\
566 --compress-debug-sections Compress DWARF debug sections using zlib\n\
567 --decompress-debug-sections Decompress DWARF debug sections using zlib\n\
568 -v --verbose List all object files modified\n\
569 @<file> Read options from <file>\n\
570 -V --version Display this program's version number\n\
571 -h --help Display this output\n\
572 --info List object formats & architectures supported\n\
574 list_supported_targets (program_name
, stream
);
575 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
576 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
581 strip_usage (FILE *stream
, int exit_status
)
583 fprintf (stream
, _("Usage: %s <option(s)> in-file(s)\n"), program_name
);
584 fprintf (stream
, _(" Removes symbols and sections from files\n"));
585 fprintf (stream
, _(" The options are:\n"));
586 fprintf (stream
, _("\
587 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
588 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
589 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
590 -p --preserve-dates Copy modified/access timestamps to the output\n\
591 -R --remove-section=<name> Remove section <name> from the output\n\
592 -s --strip-all Remove all symbol and relocation information\n\
593 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
594 --strip-unneeded Remove all symbols not needed by relocations\n\
595 --only-keep-debug Strip everything but the debug information\n\
596 -N --strip-symbol=<name> Do not copy symbol <name>\n\
597 -K --keep-symbol=<name> Do not strip symbol <name>\n\
598 --keep-file-symbols Do not strip file symbol(s)\n\
599 -w --wildcard Permit wildcard in symbol comparison\n\
600 -x --discard-all Remove all non-global symbols\n\
601 -X --discard-locals Remove any compiler-generated symbols\n\
602 -v --verbose List all object files modified\n\
603 -V --version Display this program's version number\n\
604 -h --help Display this output\n\
605 --info List object formats & architectures supported\n\
606 -o <file> Place stripped output into <file>\n\
609 list_supported_targets (program_name
, stream
);
610 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
611 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
615 /* Parse section flags into a flagword, with a fatal error if the
616 string can't be parsed. */
619 parse_flags (const char *s
)
629 snext
= strchr (s
, ',');
639 #define PARSE_FLAG(fname,fval) \
640 else if (strncasecmp (fname, s, len) == 0) ret |= fval
641 PARSE_FLAG ("alloc", SEC_ALLOC
);
642 PARSE_FLAG ("load", SEC_LOAD
);
643 PARSE_FLAG ("noload", SEC_NEVER_LOAD
);
644 PARSE_FLAG ("readonly", SEC_READONLY
);
645 PARSE_FLAG ("debug", SEC_DEBUGGING
);
646 PARSE_FLAG ("code", SEC_CODE
);
647 PARSE_FLAG ("data", SEC_DATA
);
648 PARSE_FLAG ("rom", SEC_ROM
);
649 PARSE_FLAG ("share", SEC_COFF_SHARED
);
650 PARSE_FLAG ("contents", SEC_HAS_CONTENTS
);
656 copy
= (char *) xmalloc (len
+ 1);
657 strncpy (copy
, s
, len
);
659 non_fatal (_("unrecognized section flag `%s'"), copy
);
660 fatal (_("supported flags: %s"),
661 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
671 /* Find and optionally add an entry in the change_sections list. */
673 static struct section_list
*
674 find_section_list (const char *name
, bfd_boolean add
)
676 struct section_list
*p
;
678 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
679 if (strcmp (p
->name
, name
) == 0)
685 p
= (struct section_list
*) xmalloc (sizeof (struct section_list
));
690 p
->change_vma
= CHANGE_IGNORE
;
691 p
->change_lma
= CHANGE_IGNORE
;
694 p
->set_flags
= FALSE
;
697 p
->next
= change_sections
;
703 /* There is htab_hash_string but no htab_eq_string. Makes sense. */
706 eq_string (const void *s1
, const void *s2
)
708 return strcmp ((const char *) s1
, (const char *) s2
) == 0;
712 create_symbol_htab (void)
714 return htab_create_alloc (16, htab_hash_string
, eq_string
, NULL
, xcalloc
, free
);
718 create_symbol_htabs (void)
720 strip_specific_htab
= create_symbol_htab ();
721 strip_unneeded_htab
= create_symbol_htab ();
722 keep_specific_htab
= create_symbol_htab ();
723 localize_specific_htab
= create_symbol_htab ();
724 globalize_specific_htab
= create_symbol_htab ();
725 keepglobal_specific_htab
= create_symbol_htab ();
726 weaken_specific_htab
= create_symbol_htab ();
729 /* Add a symbol to strip_specific_list. */
732 add_specific_symbol (const char *name
, htab_t htab
)
734 *htab_find_slot (htab
, name
, INSERT
) = (char *) name
;
737 /* Add symbols listed in `filename' to strip_specific_list. */
739 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
740 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
743 add_specific_symbols (const char *filename
, htab_t htab
)
749 unsigned int line_count
;
751 size
= get_file_size (filename
);
758 buffer
= (char *) xmalloc (size
+ 2);
759 f
= fopen (filename
, FOPEN_RT
);
761 fatal (_("cannot open '%s': %s"), filename
, strerror (errno
));
763 if (fread (buffer
, 1, size
, f
) == 0 || ferror (f
))
764 fatal (_("%s: fread failed"), filename
);
767 buffer
[size
] = '\n';
768 buffer
[size
+ 1] = '\0';
772 for (line
= buffer
; * line
!= '\0'; line
++)
777 int finished
= FALSE
;
779 for (eol
= line
;; eol
++)
785 /* Cope with \n\r. */
793 /* Cope with \r\n. */
804 /* Line comment, Terminate the line here, in case a
805 name is present and then allow the rest of the
806 loop to find the real end of the line. */
818 /* A name may now exist somewhere between 'line' and 'eol'.
819 Strip off leading whitespace and trailing whitespace,
820 then add it to the list. */
821 for (name
= line
; IS_WHITESPACE (* name
); name
++)
823 for (name_end
= name
;
824 (! IS_WHITESPACE (* name_end
))
825 && (! IS_LINE_TERMINATOR (* name_end
));
829 if (! IS_LINE_TERMINATOR (* name_end
))
833 for (extra
= name_end
+ 1; IS_WHITESPACE (* extra
); extra
++)
836 if (! IS_LINE_TERMINATOR (* extra
))
837 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
838 filename
, line_count
);
844 add_specific_symbol (name
, htab
);
846 /* Advance line pointer to end of line. The 'eol ++' in the for
847 loop above will then advance us to the start of the next line. */
853 /* See whether a symbol should be stripped or kept
854 based on strip_specific_list and keep_symbols. */
857 is_specified_symbol_predicate (void **slot
, void *data
)
859 struct is_specified_symbol_predicate_data
*d
=
860 (struct is_specified_symbol_predicate_data
*) data
;
861 const char *slot_name
= (char *) *slot
;
863 if (*slot_name
!= '!')
865 if (! fnmatch (slot_name
, d
->name
, 0))
868 /* Stop traversal. */
874 if (fnmatch (slot_name
+ 1, d
->name
, 0))
877 /* Stop traversal. */
882 /* Continue traversal. */
887 is_specified_symbol (const char *name
, htab_t htab
)
891 struct is_specified_symbol_predicate_data data
;
896 htab_traverse (htab
, is_specified_symbol_predicate
, &data
);
901 return htab_find (htab
, name
) != NULL
;
904 /* Return a pointer to the symbol used as a signature for GROUP. */
907 group_signature (asection
*group
)
909 bfd
*abfd
= group
->owner
;
910 Elf_Internal_Shdr
*ghdr
;
912 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
915 ghdr
= &elf_section_data (group
)->this_hdr
;
916 if (ghdr
->sh_link
< elf_numsections (abfd
))
918 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
919 Elf_Internal_Shdr
*symhdr
= elf_elfsections (abfd
) [ghdr
->sh_link
];
921 if (symhdr
->sh_type
== SHT_SYMTAB
922 && ghdr
->sh_info
< symhdr
->sh_size
/ bed
->s
->sizeof_sym
)
923 return isympp
[ghdr
->sh_info
- 1];
928 /* See if a section is being removed. */
931 is_strip_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
933 if (sections_removed
|| sections_copied
)
935 struct section_list
*p
;
937 p
= find_section_list (bfd_get_section_name (abfd
, sec
), FALSE
);
939 if (sections_removed
&& p
!= NULL
&& p
->remove
)
941 if (sections_copied
&& (p
== NULL
|| ! p
->copy
))
945 if ((bfd_get_section_flags (abfd
, sec
) & SEC_DEBUGGING
) != 0)
947 if (strip_symbols
== STRIP_DEBUG
948 || strip_symbols
== STRIP_UNNEEDED
949 || strip_symbols
== STRIP_ALL
950 || discard_locals
== LOCALS_ALL
951 || convert_debugging
)
954 if (strip_symbols
== STRIP_NONDEBUG
)
958 if ((bfd_get_section_flags (abfd
, sec
) & SEC_GROUP
) != 0)
964 If we are going to strip the group signature symbol, then
965 strip the group section too. */
966 gsym
= group_signature (sec
);
971 if ((strip_symbols
== STRIP_ALL
972 && !is_specified_symbol (gname
, keep_specific_htab
))
973 || is_specified_symbol (gname
, strip_specific_htab
))
980 /* Return true if SYM is a hidden symbol. */
983 is_hidden_symbol (asymbol
*sym
)
985 elf_symbol_type
*elf_sym
;
987 elf_sym
= elf_symbol_from (sym
->the_bfd
, sym
);
989 switch (ELF_ST_VISIBILITY (elf_sym
->internal_elf_sym
.st_other
))
998 /* Choose which symbol entries to copy; put the result in OSYMS.
999 We don't copy in place, because that confuses the relocs.
1000 Return the number of symbols to print. */
1003 filter_symbols (bfd
*abfd
, bfd
*obfd
, asymbol
**osyms
,
1004 asymbol
**isyms
, long symcount
)
1006 asymbol
**from
= isyms
, **to
= osyms
;
1007 long src_count
= 0, dst_count
= 0;
1008 int relocatable
= (abfd
->flags
& (EXEC_P
| DYNAMIC
)) == 0;
1010 for (; src_count
< symcount
; src_count
++)
1012 asymbol
*sym
= from
[src_count
];
1013 flagword flags
= sym
->flags
;
1014 char *name
= (char *) bfd_asymbol_name (sym
);
1016 bfd_boolean used_in_reloc
= FALSE
;
1017 bfd_boolean undefined
;
1018 bfd_boolean rem_leading_char
;
1019 bfd_boolean add_leading_char
;
1021 undefined
= bfd_is_und_section (bfd_get_section (sym
));
1023 if (redefine_sym_list
)
1025 char *old_name
, *new_name
;
1027 old_name
= (char *) bfd_asymbol_name (sym
);
1028 new_name
= (char *) lookup_sym_redefinition (old_name
);
1029 bfd_asymbol_name (sym
) = new_name
;
1033 /* Check if we will remove the current leading character. */
1035 (name
[0] == bfd_get_symbol_leading_char (abfd
))
1036 && (change_leading_char
1037 || (remove_leading_char
1038 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1040 || bfd_is_com_section (bfd_get_section (sym
)))));
1042 /* Check if we will add a new leading character. */
1045 && (bfd_get_symbol_leading_char (obfd
) != '\0')
1046 && (bfd_get_symbol_leading_char (abfd
) == '\0'
1047 || (name
[0] == bfd_get_symbol_leading_char (abfd
)));
1049 /* Short circuit for change_leading_char if we can do it in-place. */
1050 if (rem_leading_char
&& add_leading_char
&& !prefix_symbols_string
)
1052 name
[0] = bfd_get_symbol_leading_char (obfd
);
1053 bfd_asymbol_name (sym
) = name
;
1054 rem_leading_char
= FALSE
;
1055 add_leading_char
= FALSE
;
1058 /* Remove leading char. */
1059 if (rem_leading_char
)
1060 bfd_asymbol_name (sym
) = ++name
;
1062 /* Add new leading char and/or prefix. */
1063 if (add_leading_char
|| prefix_symbols_string
)
1067 ptr
= n
= (char *) xmalloc (1 + strlen (prefix_symbols_string
)
1068 + strlen (name
) + 1);
1069 if (add_leading_char
)
1070 *ptr
++ = bfd_get_symbol_leading_char (obfd
);
1072 if (prefix_symbols_string
)
1074 strcpy (ptr
, prefix_symbols_string
);
1075 ptr
+= strlen (prefix_symbols_string
);
1079 bfd_asymbol_name (sym
) = n
;
1083 if (strip_symbols
== STRIP_ALL
)
1085 else if ((flags
& BSF_KEEP
) != 0 /* Used in relocation. */
1086 || ((flags
& BSF_SECTION_SYM
) != 0
1087 && ((*bfd_get_section (sym
)->symbol_ptr_ptr
)->flags
1091 used_in_reloc
= TRUE
;
1093 else if (relocatable
/* Relocatable file. */
1094 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1095 || bfd_is_com_section (bfd_get_section (sym
))))
1097 else if (bfd_decode_symclass (sym
) == 'I')
1098 /* Global symbols in $idata sections need to be retained
1099 even if relocatable is FALSE. External users of the
1100 library containing the $idata section may reference these
1103 else if ((flags
& BSF_GLOBAL
) != 0 /* Global symbol. */
1104 || (flags
& BSF_WEAK
) != 0
1106 || bfd_is_com_section (bfd_get_section (sym
)))
1107 keep
= strip_symbols
!= STRIP_UNNEEDED
;
1108 else if ((flags
& BSF_DEBUGGING
) != 0) /* Debugging symbol. */
1109 keep
= (strip_symbols
!= STRIP_DEBUG
1110 && strip_symbols
!= STRIP_UNNEEDED
1111 && ! convert_debugging
);
1112 else if (bfd_coff_get_comdat_section (abfd
, bfd_get_section (sym
)))
1113 /* COMDAT sections store special information in local
1114 symbols, so we cannot risk stripping any of them. */
1116 else /* Local symbol. */
1117 keep
= (strip_symbols
!= STRIP_UNNEEDED
1118 && (discard_locals
!= LOCALS_ALL
1119 && (discard_locals
!= LOCALS_START_L
1120 || ! bfd_is_local_label (abfd
, sym
))));
1122 if (keep
&& is_specified_symbol (name
, strip_specific_htab
))
1124 /* There are multiple ways to set 'keep' above, but if it
1125 was the relocatable symbol case, then that's an error. */
1128 non_fatal (_("not stripping symbol `%s' because it is named in a relocation"), name
);
1136 && !(flags
& BSF_KEEP
)
1137 && is_specified_symbol (name
, strip_unneeded_htab
))
1141 && ((keep_file_symbols
&& (flags
& BSF_FILE
))
1142 || is_specified_symbol (name
, keep_specific_htab
)))
1145 if (keep
&& is_strip_section (abfd
, bfd_get_section (sym
)))
1150 if ((flags
& BSF_GLOBAL
) != 0
1151 && (weaken
|| is_specified_symbol (name
, weaken_specific_htab
)))
1153 sym
->flags
&= ~ BSF_GLOBAL
;
1154 sym
->flags
|= BSF_WEAK
;
1158 && (flags
& (BSF_GLOBAL
| BSF_WEAK
))
1159 && (is_specified_symbol (name
, localize_specific_htab
)
1160 || (htab_elements (keepglobal_specific_htab
) != 0
1161 && ! is_specified_symbol (name
, keepglobal_specific_htab
))
1162 || (localize_hidden
&& is_hidden_symbol (sym
))))
1164 sym
->flags
&= ~ (BSF_GLOBAL
| BSF_WEAK
);
1165 sym
->flags
|= BSF_LOCAL
;
1169 && (flags
& BSF_LOCAL
)
1170 && is_specified_symbol (name
, globalize_specific_htab
))
1172 sym
->flags
&= ~ BSF_LOCAL
;
1173 sym
->flags
|= BSF_GLOBAL
;
1176 to
[dst_count
++] = sym
;
1180 to
[dst_count
] = NULL
;
1185 /* Find the redefined name of symbol SOURCE. */
1188 lookup_sym_redefinition (const char *source
)
1190 struct redefine_node
*list
;
1192 for (list
= redefine_sym_list
; list
!= NULL
; list
= list
->next
)
1193 if (strcmp (source
, list
->source
) == 0)
1194 return list
->target
;
1199 /* Add a node to a symbol redefine list. */
1202 redefine_list_append (const char *cause
, const char *source
, const char *target
)
1204 struct redefine_node
**p
;
1205 struct redefine_node
*list
;
1206 struct redefine_node
*new_node
;
1208 for (p
= &redefine_sym_list
; (list
= *p
) != NULL
; p
= &list
->next
)
1210 if (strcmp (source
, list
->source
) == 0)
1211 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
1214 if (strcmp (target
, list
->target
) == 0)
1215 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1219 new_node
= (struct redefine_node
*) xmalloc (sizeof (struct redefine_node
));
1221 new_node
->source
= strdup (source
);
1222 new_node
->target
= strdup (target
);
1223 new_node
->next
= NULL
;
1228 /* Handle the --redefine-syms option. Read lines containing "old new"
1229 from the file, and add them to the symbol redefine list. */
1232 add_redefine_syms_file (const char *filename
)
1241 file
= fopen (filename
, "r");
1243 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1244 filename
, strerror (errno
));
1247 buf
= (char *) xmalloc (bufsize
+ 1 /* For the terminating NUL. */);
1255 /* Collect the input symbol name. */
1256 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1264 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1272 /* Eat white space between the symbol names. */
1273 while (IS_WHITESPACE (c
))
1275 if (c
== '#' || IS_LINE_TERMINATOR (c
))
1280 /* Collect the output symbol name. */
1282 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1290 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1298 /* Eat white space at end of line. */
1299 while (! IS_LINE_TERMINATOR(c
) && c
!= EOF
&& IS_WHITESPACE (c
))
1304 if ((c
== '\r' && (c
= getc (file
)) == '\n')
1305 || c
== '\n' || c
== EOF
)
1308 /* Append the redefinition to the list. */
1310 redefine_list_append (filename
, &buf
[0], &buf
[outsym_off
]);
1321 fatal (_("%s:%d: garbage found at end of line"), filename
, lineno
);
1323 if (len
!= 0 && (outsym_off
== 0 || outsym_off
== len
))
1324 fatal (_("%s:%d: missing new symbol name"), filename
, lineno
);
1327 /* Eat the rest of the line and finish it. */
1328 while (c
!= '\n' && c
!= EOF
)
1334 fatal (_("%s:%d: premature end of file"), filename
, lineno
);
1339 /* Copy unkown object file IBFD onto OBFD.
1340 Returns TRUE upon success, FALSE otherwise. */
1343 copy_unknown_object (bfd
*ibfd
, bfd
*obfd
)
1351 if (bfd_stat_arch_elt (ibfd
, &buf
) != 0)
1353 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1360 non_fatal (_("stat returns negative size for `%s'"),
1361 bfd_get_archive_filename (ibfd
));
1365 if (bfd_seek (ibfd
, (file_ptr
) 0, SEEK_SET
) != 0)
1367 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1372 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1373 bfd_get_archive_filename (ibfd
), bfd_get_filename (obfd
));
1375 cbuf
= (char *) xmalloc (BUFSIZE
);
1377 while (ncopied
< size
)
1379 tocopy
= size
- ncopied
;
1380 if (tocopy
> BUFSIZE
)
1383 if (bfd_bread (cbuf
, (bfd_size_type
) tocopy
, ibfd
)
1384 != (bfd_size_type
) tocopy
)
1386 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1391 if (bfd_bwrite (cbuf
, (bfd_size_type
) tocopy
, obfd
)
1392 != (bfd_size_type
) tocopy
)
1394 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
1402 /* We should at least to be able to read it back when copying an
1403 unknown object in an archive. */
1404 chmod (bfd_get_filename (obfd
), buf
.st_mode
| S_IRUSR
);
1409 /* Copy object file IBFD onto OBFD.
1410 Returns TRUE upon success, FALSE otherwise. */
1413 copy_object (bfd
*ibfd
, bfd
*obfd
, const bfd_arch_info_type
*input_arch
)
1417 asection
**osections
= NULL
;
1418 asection
*gnu_debuglink_section
= NULL
;
1419 bfd_size_type
*gaps
= NULL
;
1420 bfd_size_type max_gap
= 0;
1423 enum bfd_architecture iarch
;
1426 if (ibfd
->xvec
->byteorder
!= obfd
->xvec
->byteorder
1427 && ibfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
1428 && obfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
)
1429 fatal (_("Unable to change endianness of input file(s)"));
1431 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1433 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
1438 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1439 bfd_get_archive_filename (ibfd
), bfd_get_target (ibfd
),
1440 bfd_get_filename (obfd
), bfd_get_target (obfd
));
1449 start
= bfd_get_start_address (ibfd
);
1450 start
+= change_start
;
1453 /* Neither the start address nor the flags
1454 need to be set for a core file. */
1455 if (bfd_get_format (obfd
) != bfd_core
)
1459 flags
= bfd_get_file_flags (ibfd
);
1460 flags
|= bfd_flags_to_set
;
1461 flags
&= ~bfd_flags_to_clear
;
1462 flags
&= bfd_applicable_file_flags (obfd
);
1464 if (strip_symbols
== STRIP_ALL
)
1465 flags
&= ~HAS_RELOC
;
1467 if (!bfd_set_start_address (obfd
, start
)
1468 || !bfd_set_file_flags (obfd
, flags
))
1470 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1475 /* Copy architecture of input file to output file. */
1476 iarch
= bfd_get_arch (ibfd
);
1477 imach
= bfd_get_mach (ibfd
);
1480 if (bfd_get_arch_info (ibfd
) == NULL
1481 || bfd_get_arch_info (ibfd
)->arch
== bfd_arch_unknown
)
1483 iarch
= input_arch
->arch
;
1484 imach
= input_arch
->mach
;
1487 non_fatal (_("Input file `%s' ignores binary architecture parameter."),
1488 bfd_get_archive_filename (ibfd
));
1490 if (!bfd_set_arch_mach (obfd
, iarch
, imach
)
1491 && (ibfd
->target_defaulted
1492 || bfd_get_arch (ibfd
) != bfd_get_arch (obfd
)))
1494 if (bfd_get_arch (ibfd
) == bfd_arch_unknown
)
1495 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1496 bfd_get_archive_filename (ibfd
));
1498 non_fatal (_("Output file cannot represent architecture `%s'"),
1499 bfd_printable_arch_mach (bfd_get_arch (ibfd
),
1500 bfd_get_mach (ibfd
)));
1504 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1506 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1510 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
1511 && bfd_pei_p (obfd
))
1513 /* Set up PE parameters. */
1514 pe_data_type
*pe
= pe_data (obfd
);
1516 /* Copy PE parameters before changing them. */
1517 if (ibfd
->xvec
->flavour
== bfd_target_coff_flavour
1518 && bfd_pei_p (ibfd
))
1519 pe
->pe_opthdr
= pe_data (ibfd
)->pe_opthdr
;
1521 if (pe_file_alignment
!= (bfd_vma
) -1)
1522 pe
->pe_opthdr
.FileAlignment
= pe_file_alignment
;
1524 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
1526 if (pe_heap_commit
!= (bfd_vma
) -1)
1527 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_commit
;
1529 if (pe_heap_reserve
!= (bfd_vma
) -1)
1530 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_reserve
;
1532 if (pe_image_base
!= (bfd_vma
) -1)
1533 pe
->pe_opthdr
.ImageBase
= pe_image_base
;
1535 if (pe_section_alignment
!= (bfd_vma
) -1)
1536 pe
->pe_opthdr
.SectionAlignment
= pe_section_alignment
;
1538 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
1540 if (pe_stack_commit
!= (bfd_vma
) -1)
1541 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_commit
;
1543 if (pe_stack_reserve
!= (bfd_vma
) -1)
1544 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_reserve
;
1546 if (pe_subsystem
!= -1)
1547 pe
->pe_opthdr
.Subsystem
= pe_subsystem
;
1549 if (pe_major_subsystem_version
!= -1)
1550 pe
->pe_opthdr
.MajorSubsystemVersion
= pe_major_subsystem_version
;
1552 if (pe_minor_subsystem_version
!= -1)
1553 pe
->pe_opthdr
.MinorSubsystemVersion
= pe_minor_subsystem_version
;
1555 if (pe_file_alignment
> pe_section_alignment
)
1557 char file_alignment
[20], section_alignment
[20];
1559 sprintf_vma (file_alignment
, pe_file_alignment
);
1560 sprintf_vma (section_alignment
, pe_section_alignment
);
1561 non_fatal (_("warning: file alignment (0x%s) > section alignment (0x%s)"),
1563 file_alignment
, section_alignment
);
1570 if (osympp
!= isympp
)
1576 symsize
= bfd_get_symtab_upper_bound (ibfd
);
1579 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1583 osympp
= isympp
= (asymbol
**) xmalloc (symsize
);
1584 symcount
= bfd_canonicalize_symtab (ibfd
, isympp
);
1587 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1591 /* BFD mandates that all output sections be created and sizes set before
1592 any output is done. Thus, we traverse all sections multiple times. */
1593 bfd_map_over_sections (ibfd
, setup_section
, obfd
);
1595 if (!extract_symbol
)
1596 setup_bfd_headers (ibfd
, obfd
);
1598 if (add_sections
!= NULL
)
1600 struct section_add
*padd
;
1601 struct section_list
*pset
;
1603 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1607 pset
= find_section_list (padd
->name
, FALSE
);
1611 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DATA
;
1612 if (pset
!= NULL
&& pset
->set_flags
)
1613 flags
= pset
->flags
| SEC_HAS_CONTENTS
;
1615 /* bfd_make_section_with_flags() does not return very helpful
1616 error codes, so check for the most likely user error first. */
1617 if (bfd_get_section_by_name (obfd
, padd
->name
))
1619 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1620 _("can't add section '%s'"), padd
->name
);
1625 /* We use LINKER_CREATED here so that the backend hooks
1626 will create any special section type information,
1627 instead of presuming we know what we're doing merely
1628 because we set the flags. */
1629 padd
->section
= bfd_make_section_with_flags
1630 (obfd
, padd
->name
, flags
| SEC_LINKER_CREATED
);
1631 if (padd
->section
== NULL
)
1633 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1634 _("can't create section `%s'"),
1640 if (! bfd_set_section_size (obfd
, padd
->section
, padd
->size
))
1642 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1648 if (pset
->change_vma
!= CHANGE_IGNORE
)
1649 if (! bfd_set_section_vma (obfd
, padd
->section
,
1652 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1656 if (pset
->change_lma
!= CHANGE_IGNORE
)
1658 padd
->section
->lma
= pset
->lma_val
;
1660 if (! bfd_set_section_alignment
1661 (obfd
, padd
->section
,
1662 bfd_section_alignment (obfd
, padd
->section
)))
1664 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1672 if (gnu_debuglink_filename
!= NULL
)
1674 gnu_debuglink_section
= bfd_create_gnu_debuglink_section
1675 (obfd
, gnu_debuglink_filename
);
1677 if (gnu_debuglink_section
== NULL
)
1679 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1680 _("cannot create debug link section `%s'"),
1681 gnu_debuglink_filename
);
1685 /* Special processing for PE format files. We
1686 have no way to distinguish PE from COFF here. */
1687 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
)
1689 bfd_vma debuglink_vma
;
1690 asection
* highest_section
;
1693 /* The PE spec requires that all sections be adjacent and sorted
1694 in ascending order of VMA. It also specifies that debug
1695 sections should be last. This is despite the fact that debug
1696 sections are not loaded into memory and so in theory have no
1699 This means that the debuglink section must be given a non-zero
1700 VMA which makes it contiguous with other debug sections. So
1701 walk the current section list, find the section with the
1702 highest VMA and start the debuglink section after that one. */
1703 for (sec
= obfd
->sections
, highest_section
= NULL
;
1707 && (highest_section
== NULL
1708 || sec
->vma
> highest_section
->vma
))
1709 highest_section
= sec
;
1711 if (highest_section
)
1712 debuglink_vma
= BFD_ALIGN (highest_section
->vma
1713 + highest_section
->size
,
1714 /* FIXME: We ought to be using
1715 COFF_PAGE_SIZE here or maybe
1716 bfd_get_section_alignment() (if it
1717 was set) but since this is for PE
1718 and we know the required alignment
1719 it is easier just to hard code it. */
1722 /* Umm, not sure what to do in this case. */
1723 debuglink_vma
= 0x1000;
1725 bfd_set_section_vma (obfd
, gnu_debuglink_section
, debuglink_vma
);
1729 if (bfd_count_sections (obfd
) != 0
1730 && (gap_fill_set
|| pad_to_set
))
1735 /* We must fill in gaps between the sections and/or we must pad
1736 the last section to a specified address. We do this by
1737 grabbing a list of the sections, sorting them by VMA, and
1738 increasing the section sizes as required to fill the gaps.
1739 We write out the gap contents below. */
1741 c
= bfd_count_sections (obfd
);
1742 osections
= (asection
**) xmalloc (c
* sizeof (asection
*));
1744 bfd_map_over_sections (obfd
, get_sections
, &set
);
1746 qsort (osections
, c
, sizeof (asection
*), compare_section_lma
);
1748 gaps
= (bfd_size_type
*) xmalloc (c
* sizeof (bfd_size_type
));
1749 memset (gaps
, 0, c
* sizeof (bfd_size_type
));
1753 for (i
= 0; i
< c
- 1; i
++)
1757 bfd_vma gap_start
, gap_stop
;
1759 flags
= bfd_get_section_flags (obfd
, osections
[i
]);
1760 if ((flags
& SEC_HAS_CONTENTS
) == 0
1761 || (flags
& SEC_LOAD
) == 0)
1764 size
= bfd_section_size (obfd
, osections
[i
]);
1765 gap_start
= bfd_section_lma (obfd
, osections
[i
]) + size
;
1766 gap_stop
= bfd_section_lma (obfd
, osections
[i
+ 1]);
1767 if (gap_start
< gap_stop
)
1769 if (! bfd_set_section_size (obfd
, osections
[i
],
1770 size
+ (gap_stop
- gap_start
)))
1772 bfd_nonfatal_message (NULL
, obfd
, osections
[i
],
1773 _("Can't fill gap after section"));
1777 gaps
[i
] = gap_stop
- gap_start
;
1778 if (max_gap
< gap_stop
- gap_start
)
1779 max_gap
= gap_stop
- gap_start
;
1789 lma
= bfd_section_lma (obfd
, osections
[c
- 1]);
1790 size
= bfd_section_size (obfd
, osections
[c
- 1]);
1791 if (lma
+ size
< pad_to
)
1793 if (! bfd_set_section_size (obfd
, osections
[c
- 1],
1796 bfd_nonfatal_message (NULL
, obfd
, osections
[c
- 1],
1797 _("can't add padding"));
1802 gaps
[c
- 1] = pad_to
- (lma
+ size
);
1803 if (max_gap
< pad_to
- (lma
+ size
))
1804 max_gap
= pad_to
- (lma
+ size
);
1810 /* Symbol filtering must happen after the output sections
1811 have been created, but before their contents are set. */
1813 if (convert_debugging
)
1814 dhandle
= read_debugging_info (ibfd
, isympp
, symcount
, FALSE
);
1816 if (strip_symbols
== STRIP_DEBUG
1817 || strip_symbols
== STRIP_ALL
1818 || strip_symbols
== STRIP_UNNEEDED
1819 || strip_symbols
== STRIP_NONDEBUG
1820 || discard_locals
!= LOCALS_UNDEF
1822 || htab_elements (strip_specific_htab
) != 0
1823 || htab_elements (keep_specific_htab
) != 0
1824 || htab_elements (localize_specific_htab
) != 0
1825 || htab_elements (globalize_specific_htab
) != 0
1826 || htab_elements (keepglobal_specific_htab
) != 0
1827 || htab_elements (weaken_specific_htab
) != 0
1828 || prefix_symbols_string
1831 || convert_debugging
1832 || change_leading_char
1833 || remove_leading_char
1834 || redefine_sym_list
1837 /* Mark symbols used in output relocations so that they
1838 are kept, even if they are local labels or static symbols.
1840 Note we iterate over the input sections examining their
1841 relocations since the relocations for the output sections
1842 haven't been set yet. mark_symbols_used_in_relocations will
1843 ignore input sections which have no corresponding output
1845 if (strip_symbols
!= STRIP_ALL
)
1846 bfd_map_over_sections (ibfd
,
1847 mark_symbols_used_in_relocations
,
1849 osympp
= (asymbol
**) xmalloc ((symcount
+ 1) * sizeof (asymbol
*));
1850 symcount
= filter_symbols (ibfd
, obfd
, osympp
, isympp
, symcount
);
1853 if (convert_debugging
&& dhandle
!= NULL
)
1855 if (! write_debugging_info (obfd
, dhandle
, &symcount
, &osympp
))
1862 bfd_set_symtab (obfd
, osympp
, symcount
);
1864 /* This has to happen after the symbol table has been set. */
1865 bfd_map_over_sections (ibfd
, copy_section
, obfd
);
1867 if (add_sections
!= NULL
)
1869 struct section_add
*padd
;
1871 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1873 if (! bfd_set_section_contents (obfd
, padd
->section
, padd
->contents
,
1876 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1882 if (gnu_debuglink_filename
!= NULL
)
1884 if (! bfd_fill_in_gnu_debuglink_section
1885 (obfd
, gnu_debuglink_section
, gnu_debuglink_filename
))
1887 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1888 _("cannot fill debug link section `%s'"),
1889 gnu_debuglink_filename
);
1894 if (gap_fill_set
|| pad_to_set
)
1899 /* Fill in the gaps. */
1902 buf
= (bfd_byte
*) xmalloc (max_gap
);
1903 memset (buf
, gap_fill
, max_gap
);
1905 c
= bfd_count_sections (obfd
);
1906 for (i
= 0; i
< c
; i
++)
1914 off
= bfd_section_size (obfd
, osections
[i
]) - left
;
1925 if (! bfd_set_section_contents (obfd
, osections
[i
], buf
,
1928 bfd_nonfatal_message (NULL
, obfd
, osections
[i
], NULL
);
1939 /* Do not copy backend data if --extract-symbol is passed; anything
1940 that needs to look at the section contents will fail. */
1944 /* Allow the BFD backend to copy any private data it understands
1945 from the input BFD to the output BFD. This is done last to
1946 permit the routine to look at the filtered symbol table, which is
1947 important for the ECOFF code at least. */
1948 if (! bfd_copy_private_bfd_data (ibfd
, obfd
))
1950 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1951 _("error copying private BFD data"));
1955 /* Switch to the alternate machine code. We have to do this at the
1956 very end, because we only initialize the header when we create
1957 the first section. */
1958 if (use_alt_mach_code
!= 0)
1960 if (! bfd_alt_mach_code (obfd
, use_alt_mach_code
))
1962 non_fatal (_("this target does not support %lu alternative machine codes"),
1964 if (bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
1966 non_fatal (_("treating that number as an absolute e_machine value instead"));
1967 elf_elfheader (obfd
)->e_machine
= use_alt_mach_code
;
1970 non_fatal (_("ignoring the alternative value"));
1977 /* Read each archive element in turn from IBFD, copy the
1978 contents to temp file, and keep the temp file handle.
1979 If 'force_output_target' is TRUE then make sure that
1980 all elements in the new archive are of the type
1984 copy_archive (bfd
*ibfd
, bfd
*obfd
, const char *output_target
,
1985 bfd_boolean force_output_target
,
1986 const bfd_arch_info_type
*input_arch
)
1990 struct name_list
*next
;
1994 bfd
**ptr
= &obfd
->archive_head
;
1997 const char *filename
;
1999 /* Make a temp directory to hold the contents. */
2000 dir
= make_tempdir (bfd_get_filename (obfd
));
2002 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2005 obfd
->has_armap
= ibfd
->has_armap
;
2006 obfd
->is_thin_archive
= ibfd
->is_thin_archive
;
2010 this_element
= bfd_openr_next_archived_file (ibfd
, NULL
);
2012 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
2015 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
2019 while (!status
&& this_element
!= NULL
)
2025 int stat_status
= 0;
2026 bfd_boolean del
= TRUE
;
2027 bfd_boolean ok_object
;
2029 /* Create an output file for this member. */
2030 output_name
= concat (dir
, "/",
2031 bfd_get_filename (this_element
), (char *) 0);
2033 /* If the file already exists, make another temp dir. */
2034 if (stat (output_name
, &buf
) >= 0)
2036 output_name
= make_tempdir (output_name
);
2037 if (output_name
== NULL
)
2038 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2041 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
2042 l
->name
= output_name
;
2046 output_name
= concat (output_name
, "/",
2047 bfd_get_filename (this_element
), (char *) 0);
2052 stat_status
= bfd_stat_arch_elt (this_element
, &buf
);
2054 if (stat_status
!= 0)
2055 non_fatal (_("internal stat error on %s"),
2056 bfd_get_filename (this_element
));
2059 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
2060 l
->name
= output_name
;
2065 ok_object
= bfd_check_format (this_element
, bfd_object
);
2067 bfd_nonfatal_message (NULL
, this_element
, NULL
,
2068 _("Unable to recognise the format of file"));
2070 /* PR binutils/3110: Cope with archives
2071 containing multiple target types. */
2072 if (force_output_target
|| !ok_object
)
2073 output_bfd
= bfd_openw (output_name
, output_target
);
2075 output_bfd
= bfd_openw (output_name
, bfd_get_target (this_element
));
2077 if (output_bfd
== NULL
)
2079 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2086 del
= !copy_object (this_element
, output_bfd
, input_arch
);
2088 if (del
&& bfd_get_arch (this_element
) == bfd_arch_unknown
)
2089 /* Try again as an unknown object file. */
2091 else if (!bfd_close (output_bfd
))
2093 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2094 /* Error in new object file. Don't change archive. */
2101 del
= !copy_unknown_object (this_element
, output_bfd
);
2102 if (!bfd_close_all_done (output_bfd
))
2104 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2105 /* Error in new object file. Don't change archive. */
2112 unlink (output_name
);
2117 if (preserve_dates
&& stat_status
== 0)
2118 set_times (output_name
, &buf
);
2120 /* Open the newly output file and attach to our list. */
2121 output_bfd
= bfd_openr (output_name
, output_target
);
2123 l
->obfd
= output_bfd
;
2126 ptr
= &output_bfd
->archive_next
;
2128 last_element
= this_element
;
2130 this_element
= bfd_openr_next_archived_file (ibfd
, last_element
);
2132 bfd_close (last_element
);
2137 filename
= bfd_get_filename (obfd
);
2138 if (!bfd_close (obfd
))
2141 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
2145 filename
= bfd_get_filename (ibfd
);
2146 if (!bfd_close (ibfd
))
2149 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
2153 /* Delete all the files that we opened. */
2154 for (l
= list
; l
!= NULL
; l
= l
->next
)
2156 if (l
->obfd
== NULL
)
2160 bfd_close (l
->obfd
);
2168 set_long_section_mode (bfd
*output_bfd
, bfd
*input_bfd
, enum long_section_name_handling style
)
2170 /* This is only relevant to Coff targets. */
2171 if (bfd_get_flavour (output_bfd
) == bfd_target_coff_flavour
)
2174 && bfd_get_flavour (input_bfd
) == bfd_target_coff_flavour
)
2175 style
= bfd_coff_long_section_names (input_bfd
) ? ENABLE
: DISABLE
;
2176 bfd_coff_set_long_section_names (output_bfd
, style
!= DISABLE
);
2180 /* The top-level control. */
2183 copy_file (const char *input_filename
, const char *output_filename
,
2184 const char *input_target
, const char *output_target
,
2185 const bfd_arch_info_type
*input_arch
)
2188 char **obj_matching
;
2189 char **core_matching
;
2190 off_t size
= get_file_size (input_filename
);
2195 non_fatal (_("error: the input file '%s' is empty"),
2201 /* To allow us to do "strip *" without dying on the first
2202 non-object file, failures are nonfatal. */
2203 ibfd
= bfd_openr (input_filename
, input_target
);
2206 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2211 switch (do_debug_sections
)
2214 ibfd
->flags
|= BFD_COMPRESS
;
2217 ibfd
->flags
|= BFD_DECOMPRESS
;
2223 if (bfd_check_format (ibfd
, bfd_archive
))
2225 bfd_boolean force_output_target
;
2228 /* bfd_get_target does not return the correct value until
2229 bfd_check_format succeeds. */
2230 if (output_target
== NULL
)
2232 output_target
= bfd_get_target (ibfd
);
2233 force_output_target
= FALSE
;
2236 force_output_target
= TRUE
;
2238 obfd
= bfd_openw (output_filename
, output_target
);
2241 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2245 /* This is a no-op on non-Coff targets. */
2246 set_long_section_mode (obfd
, ibfd
, long_section_names
);
2248 copy_archive (ibfd
, obfd
, output_target
, force_output_target
, input_arch
);
2250 else if (bfd_check_format_matches (ibfd
, bfd_object
, &obj_matching
))
2255 /* bfd_get_target does not return the correct value until
2256 bfd_check_format succeeds. */
2257 if (output_target
== NULL
)
2258 output_target
= bfd_get_target (ibfd
);
2260 obfd
= bfd_openw (output_filename
, output_target
);
2263 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2267 /* This is a no-op on non-Coff targets. */
2268 set_long_section_mode (obfd
, ibfd
, long_section_names
);
2270 if (! copy_object (ibfd
, obfd
, input_arch
))
2273 if (!bfd_close (obfd
))
2276 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2280 if (!bfd_close (ibfd
))
2283 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2289 bfd_error_type obj_error
= bfd_get_error ();
2290 bfd_error_type core_error
;
2292 if (bfd_check_format_matches (ibfd
, bfd_core
, &core_matching
))
2294 /* This probably can't happen.. */
2295 if (obj_error
== bfd_error_file_ambiguously_recognized
)
2296 free (obj_matching
);
2300 core_error
= bfd_get_error ();
2301 /* Report the object error in preference to the core error. */
2302 if (obj_error
!= core_error
)
2303 bfd_set_error (obj_error
);
2305 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2307 if (obj_error
== bfd_error_file_ambiguously_recognized
)
2309 list_matching_formats (obj_matching
);
2310 free (obj_matching
);
2312 if (core_error
== bfd_error_file_ambiguously_recognized
)
2314 list_matching_formats (core_matching
);
2315 free (core_matching
);
2322 /* Add a name to the section renaming list. */
2325 add_section_rename (const char * old_name
, const char * new_name
,
2328 section_rename
* srename
;
2330 /* Check for conflicts first. */
2331 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
2332 if (strcmp (srename
->old_name
, old_name
) == 0)
2334 /* Silently ignore duplicate definitions. */
2335 if (strcmp (srename
->new_name
, new_name
) == 0
2336 && srename
->flags
== flags
)
2339 fatal (_("Multiple renames of section %s"), old_name
);
2342 srename
= (section_rename
*) xmalloc (sizeof (* srename
));
2344 srename
->old_name
= old_name
;
2345 srename
->new_name
= new_name
;
2346 srename
->flags
= flags
;
2347 srename
->next
= section_rename_list
;
2349 section_rename_list
= srename
;
2352 /* Check the section rename list for a new name of the input section
2353 ISECTION. Return the new name if one is found.
2354 Also set RETURNED_FLAGS to the flags to be used for this section. */
2357 find_section_rename (bfd
* ibfd ATTRIBUTE_UNUSED
, sec_ptr isection
,
2358 flagword
* returned_flags
)
2360 const char * old_name
= bfd_section_name (ibfd
, isection
);
2361 section_rename
* srename
;
2363 /* Default to using the flags of the input section. */
2364 * returned_flags
= bfd_get_section_flags (ibfd
, isection
);
2366 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
2367 if (strcmp (srename
->old_name
, old_name
) == 0)
2369 if (srename
->flags
!= (flagword
) -1)
2370 * returned_flags
= srename
->flags
;
2372 return srename
->new_name
;
2378 /* Once each of the sections is copied, we may still need to do some
2379 finalization work for private section headers. Do that here. */
2382 setup_bfd_headers (bfd
*ibfd
, bfd
*obfd
)
2384 /* Allow the BFD backend to copy any private data it understands
2385 from the input section to the output section. */
2386 if (! bfd_copy_private_header_data (ibfd
, obfd
))
2389 bfd_nonfatal_message (NULL
, ibfd
, NULL
,
2390 _("error in private header data"));
2394 /* All went well. */
2398 /* Create a section in OBFD with the same
2399 name and attributes as ISECTION in IBFD. */
2402 setup_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2404 bfd
*obfd
= (bfd
*) obfdarg
;
2405 struct section_list
*p
;
2413 char *prefix
= NULL
;
2414 bfd_boolean make_nobits
;
2416 if (is_strip_section (ibfd
, isection
))
2419 p
= find_section_list (bfd_section_name (ibfd
, isection
), FALSE
);
2423 /* Get the, possibly new, name of the output section. */
2424 name
= find_section_rename (ibfd
, isection
, & flags
);
2426 /* Prefix sections. */
2427 if ((prefix_alloc_sections_string
)
2428 && (bfd_get_section_flags (ibfd
, isection
) & SEC_ALLOC
))
2429 prefix
= prefix_alloc_sections_string
;
2430 else if (prefix_sections_string
)
2431 prefix
= prefix_sections_string
;
2437 n
= (char *) xmalloc (strlen (prefix
) + strlen (name
) + 1);
2443 make_nobits
= FALSE
;
2444 if (p
!= NULL
&& p
->set_flags
)
2445 flags
= p
->flags
| (flags
& (SEC_HAS_CONTENTS
| SEC_RELOC
));
2446 else if (strip_symbols
== STRIP_NONDEBUG
2447 && (flags
& (SEC_ALLOC
| SEC_GROUP
)) != 0
2448 && !(ibfd
->xvec
->flavour
== bfd_target_elf_flavour
2449 && elf_section_type (isection
) == SHT_NOTE
))
2451 flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
2452 if (obfd
->xvec
->flavour
== bfd_target_elf_flavour
)
2456 /* Twiddle the input section flags so that it seems to
2457 elf.c:copy_private_bfd_data that section flags have not
2458 changed between input and output sections. This hack
2459 prevents wholesale rewriting of the program headers. */
2460 isection
->flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
2464 osection
= bfd_make_section_anyway_with_flags (obfd
, name
, flags
);
2466 if (osection
== NULL
)
2468 err
= _("failed to create output section");
2473 elf_section_type (osection
) = SHT_NOBITS
;
2475 size
= bfd_section_size (ibfd
, isection
);
2477 size
= (size
+ interleave
- 1) / interleave
* copy_width
;
2478 else if (extract_symbol
)
2480 if (! bfd_set_section_size (obfd
, osection
, size
))
2482 err
= _("failed to set size");
2486 vma
= bfd_section_vma (ibfd
, isection
);
2487 if (p
!= NULL
&& p
->change_vma
== CHANGE_MODIFY
)
2489 else if (p
!= NULL
&& p
->change_vma
== CHANGE_SET
)
2492 vma
+= change_section_address
;
2494 if (! bfd_set_section_vma (obfd
, osection
, vma
))
2496 err
= _("failed to set vma");
2500 lma
= isection
->lma
;
2501 if ((p
!= NULL
) && p
->change_lma
!= CHANGE_IGNORE
)
2503 if (p
->change_lma
== CHANGE_MODIFY
)
2505 else if (p
->change_lma
== CHANGE_SET
)
2511 lma
+= change_section_address
;
2513 osection
->lma
= lma
;
2515 /* FIXME: This is probably not enough. If we change the LMA we
2516 may have to recompute the header for the file as well. */
2517 if (!bfd_set_section_alignment (obfd
,
2519 bfd_section_alignment (ibfd
, isection
)))
2521 err
= _("failed to set alignment");
2525 /* Copy merge entity size. */
2526 osection
->entsize
= isection
->entsize
;
2528 /* This used to be mangle_section; we do here to avoid using
2529 bfd_get_section_by_name since some formats allow multiple
2530 sections with the same name. */
2531 isection
->output_section
= osection
;
2532 isection
->output_offset
= 0;
2534 /* Do not copy backend data if --extract-symbol is passed; anything
2535 that needs to look at the section contents will fail. */
2539 if ((isection
->flags
& SEC_GROUP
) != 0)
2541 asymbol
*gsym
= group_signature (isection
);
2545 gsym
->flags
|= BSF_KEEP
;
2546 if (ibfd
->xvec
->flavour
== bfd_target_elf_flavour
)
2547 elf_group_id (isection
) = gsym
;
2551 /* Allow the BFD backend to copy any private data it understands
2552 from the input section to the output section. */
2553 if (!bfd_copy_private_section_data (ibfd
, isection
, obfd
, osection
))
2555 err
= _("failed to copy private data");
2559 /* All went well. */
2564 bfd_nonfatal_message (NULL
, obfd
, osection
, err
);
2567 /* Copy the data of input section ISECTION of IBFD
2568 to an output section with the same name in OBFD.
2569 If stripping then don't copy any relocation info. */
2572 copy_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2574 bfd
*obfd
= (bfd
*) obfdarg
;
2575 struct section_list
*p
;
2583 /* If we have already failed earlier on,
2584 do not keep on generating complaints now. */
2588 if (is_strip_section (ibfd
, isection
))
2591 flags
= bfd_get_section_flags (ibfd
, isection
);
2592 if ((flags
& SEC_GROUP
) != 0)
2595 osection
= isection
->output_section
;
2596 size
= bfd_get_section_size (isection
);
2598 if (size
== 0 || osection
== 0)
2604 p
= find_section_list (bfd_get_section_name (ibfd
, isection
), FALSE
);
2606 /* Core files do not need to be relocated. */
2607 if (bfd_get_format (obfd
) == bfd_core
)
2611 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2615 /* Do not complain if the target does not support relocations. */
2616 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2621 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
2628 bfd_set_reloc (obfd
, osection
, NULL
, 0);
2631 relpp
= (arelent
**) xmalloc (relsize
);
2632 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, isympp
);
2636 bfd_nonfatal_message (NULL
, ibfd
, isection
,
2637 _("relocation count is negative"));
2641 if (strip_symbols
== STRIP_ALL
)
2643 /* Remove relocations which are not in
2644 keep_strip_specific_list. */
2645 arelent
**temp_relpp
;
2646 long temp_relcount
= 0;
2649 temp_relpp
= (arelent
**) xmalloc (relsize
);
2650 for (i
= 0; i
< relcount
; i
++)
2651 if (is_specified_symbol (bfd_asymbol_name (*relpp
[i
]->sym_ptr_ptr
),
2652 keep_specific_htab
))
2653 temp_relpp
[temp_relcount
++] = relpp
[i
];
2654 relcount
= temp_relcount
;
2659 bfd_set_reloc (obfd
, osection
, relcount
== 0 ? NULL
: relpp
, relcount
);
2664 if (bfd_get_section_flags (ibfd
, isection
) & SEC_HAS_CONTENTS
2665 && bfd_get_section_flags (obfd
, osection
) & SEC_HAS_CONTENTS
)
2667 bfd_byte
*memhunk
= NULL
;
2669 if (!bfd_get_full_section_contents (ibfd
, isection
, &memhunk
))
2672 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
2678 /* We don't handle leftover bytes (too many possible behaviors,
2679 and we don't know what the user wants). The section length
2680 must be a multiple of the number of bytes to swap. */
2681 if ((size
% reverse_bytes
) == 0)
2686 for (i
= 0; i
< size
; i
+= reverse_bytes
)
2687 for (j
= 0; j
< (unsigned long)(reverse_bytes
/ 2); j
++)
2689 bfd_byte
*m
= (bfd_byte
*) memhunk
;
2692 m
[i
+ j
] = m
[(i
+ reverse_bytes
) - (j
+ 1)];
2693 m
[(i
+ reverse_bytes
) - (j
+ 1)] = b
;
2697 /* User must pad the section up in order to do this. */
2698 fatal (_("cannot reverse bytes: length of section %s must be evenly divisible by %d"),
2699 bfd_section_name (ibfd
, isection
), reverse_bytes
);
2704 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2705 char *from
= (char *) memhunk
+ copy_byte
;
2706 char *to
= (char *) memhunk
;
2707 char *end
= (char *) memhunk
+ size
;
2710 for (; from
< end
; from
+= interleave
)
2711 for (i
= 0; i
< copy_width
; i
++)
2714 size
= (size
+ interleave
- 1 - copy_byte
) / interleave
* copy_width
;
2715 osection
->lma
/= interleave
;
2718 if (!bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2721 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
2726 else if (p
!= NULL
&& p
->set_flags
&& (p
->flags
& SEC_HAS_CONTENTS
) != 0)
2728 void *memhunk
= xmalloc (size
);
2730 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2731 flag--they can just remove the section entirely and add it
2732 back again. However, we do permit them to turn on the
2733 SEC_HAS_CONTENTS flag, and take it to mean that the section
2734 contents should be zeroed out. */
2736 memset (memhunk
, 0, size
);
2737 if (! bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2740 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
2747 /* Get all the sections. This is used when --gap-fill or --pad-to is
2751 get_sections (bfd
*obfd ATTRIBUTE_UNUSED
, asection
*osection
, void *secppparg
)
2753 asection
***secppp
= (asection
***) secppparg
;
2755 **secppp
= osection
;
2759 /* Sort sections by VMA. This is called via qsort, and is used when
2760 --gap-fill or --pad-to is used. We force non loadable or empty
2761 sections to the front, where they are easier to ignore. */
2764 compare_section_lma (const void *arg1
, const void *arg2
)
2766 const asection
*const *sec1
= (const asection
* const *) arg1
;
2767 const asection
*const *sec2
= (const asection
* const *) arg2
;
2768 flagword flags1
, flags2
;
2770 /* Sort non loadable sections to the front. */
2771 flags1
= (*sec1
)->flags
;
2772 flags2
= (*sec2
)->flags
;
2773 if ((flags1
& SEC_HAS_CONTENTS
) == 0
2774 || (flags1
& SEC_LOAD
) == 0)
2776 if ((flags2
& SEC_HAS_CONTENTS
) != 0
2777 && (flags2
& SEC_LOAD
) != 0)
2782 if ((flags2
& SEC_HAS_CONTENTS
) == 0
2783 || (flags2
& SEC_LOAD
) == 0)
2787 /* Sort sections by LMA. */
2788 if ((*sec1
)->lma
> (*sec2
)->lma
)
2790 else if ((*sec1
)->lma
< (*sec2
)->lma
)
2793 /* Sort sections with the same LMA by size. */
2794 if (bfd_get_section_size (*sec1
) > bfd_get_section_size (*sec2
))
2796 else if (bfd_get_section_size (*sec1
) < bfd_get_section_size (*sec2
))
2802 /* Mark all the symbols which will be used in output relocations with
2803 the BSF_KEEP flag so that those symbols will not be stripped.
2805 Ignore relocations which will not appear in the output file. */
2808 mark_symbols_used_in_relocations (bfd
*ibfd
, sec_ptr isection
, void *symbolsarg
)
2810 asymbol
**symbols
= (asymbol
**) symbolsarg
;
2815 /* Ignore an input section with no corresponding output section. */
2816 if (isection
->output_section
== NULL
)
2819 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2822 /* Do not complain if the target does not support relocations. */
2823 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2825 bfd_fatal (bfd_get_filename (ibfd
));
2831 relpp
= (arelent
**) xmalloc (relsize
);
2832 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, symbols
);
2834 bfd_fatal (bfd_get_filename (ibfd
));
2836 /* Examine each symbol used in a relocation. If it's not one of the
2837 special bfd section symbols, then mark it with BSF_KEEP. */
2838 for (i
= 0; i
< relcount
; i
++)
2840 if (*relpp
[i
]->sym_ptr_ptr
!= bfd_com_section_ptr
->symbol
2841 && *relpp
[i
]->sym_ptr_ptr
!= bfd_abs_section_ptr
->symbol
2842 && *relpp
[i
]->sym_ptr_ptr
!= bfd_und_section_ptr
->symbol
)
2843 (*relpp
[i
]->sym_ptr_ptr
)->flags
|= BSF_KEEP
;
2850 /* Write out debugging information. */
2853 write_debugging_info (bfd
*obfd
, void *dhandle
,
2854 long *symcountp ATTRIBUTE_UNUSED
,
2855 asymbol
***symppp ATTRIBUTE_UNUSED
)
2857 if (bfd_get_flavour (obfd
) == bfd_target_ieee_flavour
)
2858 return write_ieee_debugging_info (obfd
, dhandle
);
2860 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
2861 || bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
2863 bfd_byte
*syms
, *strings
;
2864 bfd_size_type symsize
, stringsize
;
2865 asection
*stabsec
, *stabstrsec
;
2868 if (! write_stabs_in_sections_debugging_info (obfd
, dhandle
, &syms
,
2873 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DEBUGGING
;
2874 stabsec
= bfd_make_section_with_flags (obfd
, ".stab", flags
);
2875 stabstrsec
= bfd_make_section_with_flags (obfd
, ".stabstr", flags
);
2877 || stabstrsec
== NULL
2878 || ! bfd_set_section_size (obfd
, stabsec
, symsize
)
2879 || ! bfd_set_section_size (obfd
, stabstrsec
, stringsize
)
2880 || ! bfd_set_section_alignment (obfd
, stabsec
, 2)
2881 || ! bfd_set_section_alignment (obfd
, stabstrsec
, 0))
2883 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2884 _("can't create debugging section"));
2888 /* We can get away with setting the section contents now because
2889 the next thing the caller is going to do is copy over the
2890 real sections. We may someday have to split the contents
2891 setting out of this function. */
2892 if (! bfd_set_section_contents (obfd
, stabsec
, syms
, 0, symsize
)
2893 || ! bfd_set_section_contents (obfd
, stabstrsec
, strings
, 0,
2896 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2897 _("can't set debugging section contents"));
2904 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2905 _("don't know how to write debugging information for %s"),
2906 bfd_get_target (obfd
));
2911 strip_main (int argc
, char *argv
[])
2913 char *input_target
= NULL
;
2914 char *output_target
= NULL
;
2915 bfd_boolean show_version
= FALSE
;
2916 bfd_boolean formats_info
= FALSE
;
2919 struct section_list
*p
;
2920 char *output_file
= NULL
;
2922 while ((c
= getopt_long (argc
, argv
, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
2923 strip_options
, (int *) 0)) != EOF
)
2928 input_target
= optarg
;
2931 output_target
= optarg
;
2934 input_target
= output_target
= optarg
;
2937 p
= find_section_list (optarg
, TRUE
);
2939 sections_removed
= TRUE
;
2942 strip_symbols
= STRIP_ALL
;
2946 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
2947 strip_symbols
= STRIP_DEBUG
;
2949 case OPTION_STRIP_UNNEEDED
:
2950 strip_symbols
= STRIP_UNNEEDED
;
2953 add_specific_symbol (optarg
, keep_specific_htab
);
2956 add_specific_symbol (optarg
, strip_specific_htab
);
2959 output_file
= optarg
;
2962 preserve_dates
= TRUE
;
2965 discard_locals
= LOCALS_ALL
;
2968 discard_locals
= LOCALS_START_L
;
2974 show_version
= TRUE
;
2976 case OPTION_FORMATS_INFO
:
2977 formats_info
= TRUE
;
2979 case OPTION_ONLY_KEEP_DEBUG
:
2980 strip_symbols
= STRIP_NONDEBUG
;
2982 case OPTION_KEEP_FILE_SYMBOLS
:
2983 keep_file_symbols
= 1;
2986 /* We've been given a long option. */
2993 strip_usage (stdout
, 0);
2995 strip_usage (stderr
, 1);
3006 print_version ("strip");
3008 /* Default is to strip all symbols. */
3009 if (strip_symbols
== STRIP_UNDEF
3010 && discard_locals
== LOCALS_UNDEF
3011 && htab_elements (strip_specific_htab
) == 0)
3012 strip_symbols
= STRIP_ALL
;
3014 if (output_target
== NULL
)
3015 output_target
= input_target
;
3019 || (output_file
!= NULL
&& (i
+ 1) < argc
))
3020 strip_usage (stderr
, 1);
3022 for (; i
< argc
; i
++)
3024 int hold_status
= status
;
3025 struct stat statbuf
;
3028 if (get_file_size (argv
[i
]) < 1)
3035 /* No need to check the return value of stat().
3036 It has already been checked in get_file_size(). */
3037 stat (argv
[i
], &statbuf
);
3039 if (output_file
== NULL
3040 || filename_cmp (argv
[i
], output_file
) == 0)
3041 tmpname
= make_tempname (argv
[i
]);
3043 tmpname
= output_file
;
3045 if (tmpname
== NULL
)
3047 bfd_nonfatal_message (argv
[i
], NULL
, NULL
,
3048 _("could not create temporary file to hold stripped copy"));
3054 copy_file (argv
[i
], tmpname
, input_target
, output_target
, NULL
);
3058 set_times (tmpname
, &statbuf
);
3059 if (output_file
!= tmpname
)
3060 status
= (smart_rename (tmpname
,
3061 output_file
? output_file
: argv
[i
],
3062 preserve_dates
) != 0);
3064 status
= hold_status
;
3067 unlink_if_ordinary (tmpname
);
3068 if (output_file
!= tmpname
)
3075 /* Set up PE subsystem. */
3078 set_pe_subsystem (const char *s
)
3080 const char *version
, *subsystem
;
3090 { "native", 0, IMAGE_SUBSYSTEM_NATIVE
},
3091 { "windows", 0, IMAGE_SUBSYSTEM_WINDOWS_GUI
},
3092 { "console", 0, IMAGE_SUBSYSTEM_WINDOWS_CUI
},
3093 { "posix", 0, IMAGE_SUBSYSTEM_POSIX_CUI
},
3094 { "wince", 0, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI
},
3095 { "efi-app", 1, IMAGE_SUBSYSTEM_EFI_APPLICATION
},
3096 { "efi-bsd", 1, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
},
3097 { "efi-rtd", 1, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
},
3098 { "sal-rtd", 1, IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER
},
3099 { "xbox", 0, IMAGE_SUBSYSTEM_XBOX
}
3105 /* Check for the presence of a version number. */
3106 version
= strchr (s
, ':');
3107 if (version
== NULL
)
3111 int len
= version
- s
;
3115 version
= copy
+ 1 + len
;
3116 pe_major_subsystem_version
= strtoul (version
, ©
, 0);
3118 pe_minor_subsystem_version
= strtoul (copy
+ 1, ©
, 0);
3120 non_fatal (_("%s: bad version in PE subsystem"), s
);
3123 /* Check for numeric subsystem. */
3124 value
= (short) strtol (subsystem
, ©
, 0);
3127 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
3128 if (v
[i
].value
== value
)
3130 pe_subsystem
= value
;
3131 set_def
= v
[i
].set_def
;
3137 /* Search for subsystem by name. */
3138 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
3139 if (strcmp (subsystem
, v
[i
].name
) == 0)
3141 pe_subsystem
= v
[i
].value
;
3142 set_def
= v
[i
].set_def
;
3150 fatal (_("unknown PE subsystem: %s"), s
);
3155 if (pe_file_alignment
== (bfd_vma
) -1)
3156 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
3157 if (pe_section_alignment
== (bfd_vma
) -1)
3158 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
3162 free ((char *) subsystem
);
3165 /* Convert EFI target to PEI target. */
3168 convert_efi_target (char *efi
)
3174 if (strcmp (efi
+ 4, "ia32") == 0)
3176 /* Change ia32 to i386. */
3181 else if (strcmp (efi
+ 4, "x86_64") == 0)
3183 /* Change x86_64 to x86-64. */
3189 copy_main (int argc
, char *argv
[])
3191 char *input_filename
= NULL
;
3192 char *output_filename
= NULL
;
3194 char *input_target
= NULL
;
3195 char *output_target
= NULL
;
3196 bfd_boolean show_version
= FALSE
;
3197 bfd_boolean change_warn
= TRUE
;
3198 bfd_boolean formats_info
= FALSE
;
3200 struct section_list
*p
;
3201 struct stat statbuf
;
3202 const bfd_arch_info_type
*input_arch
= NULL
;
3204 while ((c
= getopt_long (argc
, argv
, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
3205 copy_options
, (int *) 0)) != EOF
)
3210 copy_byte
= atoi (optarg
);
3212 fatal (_("byte number must be non-negative"));
3216 input_arch
= bfd_scan_arch (optarg
);
3217 if (input_arch
== NULL
)
3218 fatal (_("architecture %s unknown"), optarg
);
3224 interleave
= atoi (optarg
);
3226 fatal (_("interleave must be positive"));
3232 case OPTION_INTERLEAVE_WIDTH
:
3233 copy_width
= atoi (optarg
);
3235 fatal(_("interleave width must be positive"));
3239 case 's': /* "source" - 'I' is preferred */
3240 input_target
= optarg
;
3244 case 'd': /* "destination" - 'O' is preferred */
3245 output_target
= optarg
;
3249 input_target
= output_target
= optarg
;
3253 p
= find_section_list (optarg
, TRUE
);
3255 fatal (_("%s both copied and removed"), optarg
);
3257 sections_copied
= TRUE
;
3261 p
= find_section_list (optarg
, TRUE
);
3263 fatal (_("%s both copied and removed"), optarg
);
3265 sections_removed
= TRUE
;
3269 strip_symbols
= STRIP_ALL
;
3273 strip_symbols
= STRIP_DEBUG
;
3276 case OPTION_STRIP_UNNEEDED
:
3277 strip_symbols
= STRIP_UNNEEDED
;
3280 case OPTION_ONLY_KEEP_DEBUG
:
3281 strip_symbols
= STRIP_NONDEBUG
;
3284 case OPTION_KEEP_FILE_SYMBOLS
:
3285 keep_file_symbols
= 1;
3288 case OPTION_ADD_GNU_DEBUGLINK
:
3289 gnu_debuglink_filename
= optarg
;
3293 add_specific_symbol (optarg
, keep_specific_htab
);
3297 add_specific_symbol (optarg
, strip_specific_htab
);
3300 case OPTION_STRIP_UNNEEDED_SYMBOL
:
3301 add_specific_symbol (optarg
, strip_unneeded_htab
);
3305 add_specific_symbol (optarg
, localize_specific_htab
);
3308 case OPTION_GLOBALIZE_SYMBOL
:
3309 add_specific_symbol (optarg
, globalize_specific_htab
);
3313 add_specific_symbol (optarg
, keepglobal_specific_htab
);
3317 add_specific_symbol (optarg
, weaken_specific_htab
);
3321 preserve_dates
= TRUE
;
3329 discard_locals
= LOCALS_ALL
;
3333 discard_locals
= LOCALS_START_L
;
3341 show_version
= TRUE
;
3344 case OPTION_FORMATS_INFO
:
3345 formats_info
= TRUE
;
3352 case OPTION_ADD_SECTION
:
3356 struct section_add
*pa
;
3359 s
= strchr (optarg
, '=');
3362 fatal (_("bad format for %s"), "--add-section");
3364 pa
= (struct section_add
*) xmalloc (sizeof (struct section_add
));
3365 pa
->name
= xstrndup (optarg
, s
- optarg
);
3366 pa
->filename
= s
+ 1;
3368 /* We don't use get_file_size so that we can do
3369 --add-section .note.GNU_stack=/dev/null
3370 get_file_size doesn't work on /dev/null. */
3372 f
= fopen (pa
->filename
, FOPEN_RB
);
3374 fatal (_("cannot open: %s: %s"),
3375 pa
->filename
, strerror (errno
));
3379 pa
->contents
= (bfd_byte
*) xmalloc (alloc
);
3387 pa
->contents
= (bfd_byte
*) xrealloc (pa
->contents
, alloc
);
3390 got
= fread (pa
->contents
+ off
, 1, alloc
- off
, f
);
3392 fatal (_("%s: fread failed"), pa
->filename
);
3401 pa
->next
= add_sections
;
3406 case OPTION_CHANGE_START
:
3407 change_start
= parse_vma (optarg
, "--change-start");
3410 case OPTION_CHANGE_SECTION_ADDRESS
:
3411 case OPTION_CHANGE_SECTION_LMA
:
3412 case OPTION_CHANGE_SECTION_VMA
:
3417 char *option
= NULL
;
3419 enum change_action what
= CHANGE_IGNORE
;
3423 case OPTION_CHANGE_SECTION_ADDRESS
:
3424 option
= "--change-section-address";
3426 case OPTION_CHANGE_SECTION_LMA
:
3427 option
= "--change-section-lma";
3429 case OPTION_CHANGE_SECTION_VMA
:
3430 option
= "--change-section-vma";
3434 s
= strchr (optarg
, '=');
3437 s
= strchr (optarg
, '+');
3440 s
= strchr (optarg
, '-');
3442 fatal (_("bad format for %s"), option
);
3447 name
= (char *) xmalloc (len
+ 1);
3448 strncpy (name
, optarg
, len
);
3451 p
= find_section_list (name
, TRUE
);
3453 val
= parse_vma (s
+ 1, option
);
3457 case '=': what
= CHANGE_SET
; break;
3458 case '-': val
= - val
; /* Drop through. */
3459 case '+': what
= CHANGE_MODIFY
; break;
3464 case OPTION_CHANGE_SECTION_ADDRESS
:
3465 p
->change_vma
= what
;
3469 case OPTION_CHANGE_SECTION_LMA
:
3470 p
->change_lma
= what
;
3474 case OPTION_CHANGE_SECTION_VMA
:
3475 p
->change_vma
= what
;
3482 case OPTION_CHANGE_ADDRESSES
:
3483 change_section_address
= parse_vma (optarg
, "--change-addresses");
3484 change_start
= change_section_address
;
3487 case OPTION_CHANGE_WARNINGS
:
3491 case OPTION_CHANGE_LEADING_CHAR
:
3492 change_leading_char
= TRUE
;
3495 case OPTION_COMPRESS_DEBUG_SECTIONS
:
3496 do_debug_sections
= compress
;
3499 case OPTION_DEBUGGING
:
3500 convert_debugging
= TRUE
;
3503 case OPTION_DECOMPRESS_DEBUG_SECTIONS
:
3504 do_debug_sections
= decompress
;
3507 case OPTION_GAP_FILL
:
3509 bfd_vma gap_fill_vma
;
3511 gap_fill_vma
= parse_vma (optarg
, "--gap-fill");
3512 gap_fill
= (bfd_byte
) gap_fill_vma
;
3513 if ((bfd_vma
) gap_fill
!= gap_fill_vma
)
3517 sprintf_vma (buff
, gap_fill_vma
);
3519 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
3522 gap_fill_set
= TRUE
;
3526 case OPTION_NO_CHANGE_WARNINGS
:
3527 change_warn
= FALSE
;
3531 pad_to
= parse_vma (optarg
, "--pad-to");
3535 case OPTION_REMOVE_LEADING_CHAR
:
3536 remove_leading_char
= TRUE
;
3539 case OPTION_REDEFINE_SYM
:
3541 /* Push this redefinition onto redefine_symbol_list. */
3545 const char *nextarg
;
3546 char *source
, *target
;
3548 s
= strchr (optarg
, '=');
3550 fatal (_("bad format for %s"), "--redefine-sym");
3553 source
= (char *) xmalloc (len
+ 1);
3554 strncpy (source
, optarg
, len
);
3558 len
= strlen (nextarg
);
3559 target
= (char *) xmalloc (len
+ 1);
3560 strcpy (target
, nextarg
);
3562 redefine_list_append ("--redefine-sym", source
, target
);
3569 case OPTION_REDEFINE_SYMS
:
3570 add_redefine_syms_file (optarg
);
3573 case OPTION_SET_SECTION_FLAGS
:
3579 s
= strchr (optarg
, '=');
3581 fatal (_("bad format for %s"), "--set-section-flags");
3584 name
= (char *) xmalloc (len
+ 1);
3585 strncpy (name
, optarg
, len
);
3588 p
= find_section_list (name
, TRUE
);
3590 p
->set_flags
= TRUE
;
3591 p
->flags
= parse_flags (s
+ 1);
3595 case OPTION_RENAME_SECTION
:
3598 const char *eq
, *fl
;
3603 eq
= strchr (optarg
, '=');
3605 fatal (_("bad format for %s"), "--rename-section");
3609 fatal (_("bad format for %s"), "--rename-section");
3611 old_name
= (char *) xmalloc (len
+ 1);
3612 strncpy (old_name
, optarg
, len
);
3616 fl
= strchr (eq
, ',');
3619 flags
= parse_flags (fl
+ 1);
3629 fatal (_("bad format for %s"), "--rename-section");
3631 new_name
= (char *) xmalloc (len
+ 1);
3632 strncpy (new_name
, eq
, len
);
3635 add_section_rename (old_name
, new_name
, flags
);
3639 case OPTION_SET_START
:
3640 set_start
= parse_vma (optarg
, "--set-start");
3641 set_start_set
= TRUE
;
3644 case OPTION_SREC_LEN
:
3645 Chunk
= parse_vma (optarg
, "--srec-len");
3648 case OPTION_SREC_FORCES3
:
3652 case OPTION_STRIP_SYMBOLS
:
3653 add_specific_symbols (optarg
, strip_specific_htab
);
3656 case OPTION_STRIP_UNNEEDED_SYMBOLS
:
3657 add_specific_symbols (optarg
, strip_unneeded_htab
);
3660 case OPTION_KEEP_SYMBOLS
:
3661 add_specific_symbols (optarg
, keep_specific_htab
);
3664 case OPTION_LOCALIZE_HIDDEN
:
3665 localize_hidden
= TRUE
;
3668 case OPTION_LOCALIZE_SYMBOLS
:
3669 add_specific_symbols (optarg
, localize_specific_htab
);
3672 case OPTION_LONG_SECTION_NAMES
:
3673 if (!strcmp ("enable", optarg
))
3674 long_section_names
= ENABLE
;
3675 else if (!strcmp ("disable", optarg
))
3676 long_section_names
= DISABLE
;
3677 else if (!strcmp ("keep", optarg
))
3678 long_section_names
= KEEP
;
3680 fatal (_("unknown long section names option '%s'"), optarg
);
3683 case OPTION_GLOBALIZE_SYMBOLS
:
3684 add_specific_symbols (optarg
, globalize_specific_htab
);
3687 case OPTION_KEEPGLOBAL_SYMBOLS
:
3688 add_specific_symbols (optarg
, keepglobal_specific_htab
);
3691 case OPTION_WEAKEN_SYMBOLS
:
3692 add_specific_symbols (optarg
, weaken_specific_htab
);
3695 case OPTION_ALT_MACH_CODE
:
3696 use_alt_mach_code
= strtoul (optarg
, NULL
, 0);
3697 if (use_alt_mach_code
== 0)
3698 fatal (_("unable to parse alternative machine code"));
3701 case OPTION_PREFIX_SYMBOLS
:
3702 prefix_symbols_string
= optarg
;
3705 case OPTION_PREFIX_SECTIONS
:
3706 prefix_sections_string
= optarg
;
3709 case OPTION_PREFIX_ALLOC_SECTIONS
:
3710 prefix_alloc_sections_string
= optarg
;
3713 case OPTION_READONLY_TEXT
:
3714 bfd_flags_to_set
|= WP_TEXT
;
3715 bfd_flags_to_clear
&= ~WP_TEXT
;
3718 case OPTION_WRITABLE_TEXT
:
3719 bfd_flags_to_clear
|= WP_TEXT
;
3720 bfd_flags_to_set
&= ~WP_TEXT
;
3724 bfd_flags_to_set
|= D_PAGED
;
3725 bfd_flags_to_clear
&= ~D_PAGED
;
3729 bfd_flags_to_clear
|= D_PAGED
;
3730 bfd_flags_to_set
&= ~D_PAGED
;
3733 case OPTION_EXTRACT_SYMBOL
:
3734 extract_symbol
= TRUE
;
3737 case OPTION_REVERSE_BYTES
:
3739 int prev
= reverse_bytes
;
3741 reverse_bytes
= atoi (optarg
);
3742 if ((reverse_bytes
<= 0) || ((reverse_bytes
% 2) != 0))
3743 fatal (_("number of bytes to reverse must be positive and even"));
3745 if (prev
&& prev
!= reverse_bytes
)
3746 non_fatal (_("Warning: ignoring previous --reverse-bytes value of %d"),
3751 case OPTION_FILE_ALIGNMENT
:
3752 pe_file_alignment
= parse_vma (optarg
, "--file-alignment");
3758 pe_heap_reserve
= strtoul (optarg
, &end
, 0);
3760 || (*end
!= '.' && *end
!= '\0'))
3761 non_fatal (_("%s: invalid reserve value for --heap"),
3763 else if (*end
!= '\0')
3765 pe_heap_commit
= strtoul (end
+ 1, &end
, 0);
3767 non_fatal (_("%s: invalid commit value for --heap"),
3773 case OPTION_IMAGE_BASE
:
3774 pe_image_base
= parse_vma (optarg
, "--image-base");
3777 case OPTION_SECTION_ALIGNMENT
:
3778 pe_section_alignment
= parse_vma (optarg
,
3779 "--section-alignment");
3782 case OPTION_SUBSYSTEM
:
3783 set_pe_subsystem (optarg
);
3789 pe_stack_reserve
= strtoul (optarg
, &end
, 0);
3791 || (*end
!= '.' && *end
!= '\0'))
3792 non_fatal (_("%s: invalid reserve value for --stack"),
3794 else if (*end
!= '\0')
3796 pe_stack_commit
= strtoul (end
+ 1, &end
, 0);
3798 non_fatal (_("%s: invalid commit value for --stack"),
3805 /* We've been given a long option. */
3810 copy_usage (stdout
, 0);
3813 copy_usage (stderr
, 1);
3824 print_version ("objcopy");
3826 if (interleave
&& copy_byte
== -1)
3827 fatal (_("interleave start byte must be set with --byte"));
3829 if (copy_byte
>= interleave
)
3830 fatal (_("byte number must be less than interleave"));
3832 if (copy_width
> interleave
- copy_byte
)
3833 fatal (_("interleave width must be less than or equal to interleave - byte`"));
3835 if (optind
== argc
|| optind
+ 2 < argc
)
3836 copy_usage (stderr
, 1);
3838 input_filename
= argv
[optind
];
3839 if (optind
+ 1 < argc
)
3840 output_filename
= argv
[optind
+ 1];
3842 /* Default is to strip no symbols. */
3843 if (strip_symbols
== STRIP_UNDEF
&& discard_locals
== LOCALS_UNDEF
)
3844 strip_symbols
= STRIP_NONE
;
3846 if (output_target
== NULL
)
3847 output_target
= input_target
;
3849 /* Convert input EFI target to PEI target. */
3850 if (input_target
!= NULL
3851 && strncmp (input_target
, "efi-", 4) == 0)
3855 efi
= xstrdup (output_target
+ 4);
3856 if (strncmp (efi
, "bsdrv-", 6) == 0
3857 || strncmp (efi
, "rtdrv-", 6) == 0)
3859 else if (strncmp (efi
, "app-", 4) != 0)
3860 fatal (_("unknown input EFI target: %s"), input_target
);
3863 convert_efi_target (efi
);
3866 /* Convert output EFI target to PEI target. */
3867 if (output_target
!= NULL
3868 && strncmp (output_target
, "efi-", 4) == 0)
3872 efi
= xstrdup (output_target
+ 4);
3873 if (strncmp (efi
, "app-", 4) == 0)
3875 if (pe_subsystem
== -1)
3876 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_APPLICATION
;
3878 else if (strncmp (efi
, "bsdrv-", 6) == 0)
3880 if (pe_subsystem
== -1)
3881 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
3884 else if (strncmp (efi
, "rtdrv-", 6) == 0)
3886 if (pe_subsystem
== -1)
3887 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
;
3891 fatal (_("unknown output EFI target: %s"), output_target
);
3893 if (pe_file_alignment
== (bfd_vma
) -1)
3894 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
3895 if (pe_section_alignment
== (bfd_vma
) -1)
3896 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
3898 output_target
= efi
;
3899 convert_efi_target (efi
);
3903 if (stat (input_filename
, & statbuf
) < 0)
3904 fatal (_("warning: could not locate '%s'. System error message: %s"),
3905 input_filename
, strerror (errno
));
3907 /* If there is no destination file, or the source and destination files
3908 are the same, then create a temp and rename the result into the input. */
3909 if (output_filename
== NULL
3910 || filename_cmp (input_filename
, output_filename
) == 0)
3911 tmpname
= make_tempname (input_filename
);
3913 tmpname
= output_filename
;
3915 if (tmpname
== NULL
)
3916 fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
3917 input_filename
, strerror (errno
));
3919 copy_file (input_filename
, tmpname
, input_target
, output_target
, input_arch
);
3923 set_times (tmpname
, &statbuf
);
3924 if (tmpname
!= output_filename
)
3925 status
= (smart_rename (tmpname
, input_filename
,
3926 preserve_dates
) != 0);
3929 unlink_if_ordinary (tmpname
);
3933 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
3937 if (p
->change_vma
!= CHANGE_IGNORE
)
3941 sprintf_vma (buff
, p
->vma_val
);
3943 /* xgettext:c-format */
3944 non_fatal (_("%s %s%c0x%s never used"),
3945 "--change-section-vma",
3947 p
->change_vma
== CHANGE_SET
? '=' : '+',
3951 if (p
->change_lma
!= CHANGE_IGNORE
)
3955 sprintf_vma (buff
, p
->lma_val
);
3957 /* xgettext:c-format */
3958 non_fatal (_("%s %s%c0x%s never used"),
3959 "--change-section-lma",
3961 p
->change_lma
== CHANGE_SET
? '=' : '+',
3972 main (int argc
, char *argv
[])
3974 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3975 setlocale (LC_MESSAGES
, "");
3977 #if defined (HAVE_SETLOCALE)
3978 setlocale (LC_CTYPE
, "");
3980 bindtextdomain (PACKAGE
, LOCALEDIR
);
3981 textdomain (PACKAGE
);
3983 program_name
= argv
[0];
3984 xmalloc_set_program_name (program_name
);
3986 START_PROGRESS (program_name
, 0);
3988 expandargv (&argc
, &argv
);
3990 strip_symbols
= STRIP_UNDEF
;
3991 discard_locals
= LOCALS_UNDEF
;
3994 set_default_bfd_target ();
3998 int i
= strlen (program_name
);
3999 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
4000 /* Drop the .exe suffix, if any. */
4001 if (i
> 4 && FILENAME_CMP (program_name
+ i
- 4, ".exe") == 0)
4004 program_name
[i
] = '\0';
4007 is_strip
= (i
>= 5 && FILENAME_CMP (program_name
+ i
- 5, "strip") == 0);
4010 create_symbol_htabs ();
4013 strip_main (argc
, argv
);
4015 copy_main (argc
, argv
);
4017 END_PROGRESS (program_name
);