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, 2012
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"
34 #include "coff/internal.h"
37 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
38 header in generic PE code. */
39 #include "coff/i386.h"
42 static bfd_vma pe_file_alignment
= (bfd_vma
) -1;
43 static bfd_vma pe_heap_commit
= (bfd_vma
) -1;
44 static bfd_vma pe_heap_reserve
= (bfd_vma
) -1;
45 static bfd_vma pe_image_base
= (bfd_vma
) -1;
46 static bfd_vma pe_section_alignment
= (bfd_vma
) -1;
47 static bfd_vma pe_stack_commit
= (bfd_vma
) -1;
48 static bfd_vma pe_stack_reserve
= (bfd_vma
) -1;
49 static short pe_subsystem
= -1;
50 static short pe_major_subsystem_version
= -1;
51 static short pe_minor_subsystem_version
= -1;
53 struct is_specified_symbol_predicate_data
59 /* A list to support redefine_sym. */
64 struct redefine_node
*next
;
67 typedef struct section_rename
69 const char * old_name
;
70 const char * new_name
;
72 struct section_rename
* next
;
76 /* List of sections to be renamed. */
77 static section_rename
*section_rename_list
;
79 static asymbol
**isympp
= NULL
; /* Input symbols. */
80 static asymbol
**osympp
= NULL
; /* Output symbols that survive stripping. */
82 /* If `copy_byte' >= 0, copy 'copy_width' byte(s) of every `interleave' bytes. */
83 static int copy_byte
= -1;
84 static int interleave
= 0; /* Initialised to 4 in copy_main(). */
85 static int copy_width
= 1;
87 static bfd_boolean verbose
; /* Print file and target names. */
88 static bfd_boolean preserve_dates
; /* Preserve input file timestamp. */
89 static bfd_boolean deterministic
; /* Enable deterministic archives. */
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_DWO
, /* Strip all DWO info. */
100 STRIP_NONDWO
, /* Strip everything but DWO info. */
101 STRIP_ALL
/* Strip all symbols. */
104 /* Which symbols to remove. */
105 static enum strip_action strip_symbols
= STRIP_UNDEF
;
110 LOCALS_START_L
, /* Discard locals starting with L. */
111 LOCALS_ALL
/* Discard all locals. */
114 /* Which local symbols to remove. Overrides STRIP_ALL. */
115 static enum locals_action discard_locals
;
117 /* What kind of change to perform. */
125 /* Structure used to hold lists of sections and actions to take. */
128 struct section_list
* next
; /* Next section to change. */
129 const char * name
; /* Section name. */
130 bfd_boolean used
; /* Whether this entry was used. */
131 bfd_boolean remove
; /* Whether to remove this section. */
132 bfd_boolean copy
; /* Whether to copy this section. */
133 enum change_action change_vma
;/* Whether to change or set VMA. */
134 bfd_vma vma_val
; /* Amount to change by or set to. */
135 enum change_action change_lma
;/* Whether to change or set LMA. */
136 bfd_vma lma_val
; /* Amount to change by or set to. */
137 bfd_boolean set_flags
; /* Whether to set the section flags. */
138 flagword flags
; /* What to set the section flags to. */
141 static struct section_list
*change_sections
;
143 /* TRUE if some sections are to be removed. */
144 static bfd_boolean sections_removed
;
146 /* TRUE if only some sections are to be copied. */
147 static bfd_boolean sections_copied
;
149 /* Changes to the start address. */
150 static bfd_vma change_start
= 0;
151 static bfd_boolean set_start_set
= FALSE
;
152 static bfd_vma set_start
;
154 /* Changes to section addresses. */
155 static bfd_vma change_section_address
= 0;
157 /* Filling gaps between sections. */
158 static bfd_boolean gap_fill_set
= FALSE
;
159 static bfd_byte gap_fill
= 0;
161 /* Pad to a given address. */
162 static bfd_boolean pad_to_set
= FALSE
;
163 static bfd_vma pad_to
;
165 /* Use alternative machine code? */
166 static unsigned long use_alt_mach_code
= 0;
168 /* Output BFD flags user wants to set or clear */
169 static flagword bfd_flags_to_set
;
170 static flagword bfd_flags_to_clear
;
172 /* List of sections to add. */
175 /* Next section to add. */
176 struct section_add
*next
;
177 /* Name of section to add. */
179 /* Name of file holding section contents. */
180 const char *filename
;
183 /* Contents of file. */
185 /* BFD section, after it has been added. */
189 /* List of sections to add to the output BFD. */
190 static struct section_add
*add_sections
;
192 /* If non-NULL the argument to --add-gnu-debuglink.
193 This should be the filename to store in the .gnu_debuglink section. */
194 static const char * gnu_debuglink_filename
= NULL
;
196 /* Whether to convert debugging information. */
197 static bfd_boolean convert_debugging
= FALSE
;
199 /* Whether to compress/decompress DWARF debug sections. */
205 } do_debug_sections
= nothing
;
207 /* Whether to change the leading character in symbol names. */
208 static bfd_boolean change_leading_char
= FALSE
;
210 /* Whether to remove the leading character from global symbol names. */
211 static bfd_boolean remove_leading_char
= FALSE
;
213 /* Whether to permit wildcard in symbol comparison. */
214 static bfd_boolean wildcard
= FALSE
;
216 /* True if --localize-hidden is in effect. */
217 static bfd_boolean localize_hidden
= FALSE
;
219 /* List of symbols to strip, keep, localize, keep-global, weaken,
221 static htab_t strip_specific_htab
= NULL
;
222 static htab_t strip_unneeded_htab
= NULL
;
223 static htab_t keep_specific_htab
= NULL
;
224 static htab_t localize_specific_htab
= NULL
;
225 static htab_t globalize_specific_htab
= NULL
;
226 static htab_t keepglobal_specific_htab
= NULL
;
227 static htab_t weaken_specific_htab
= NULL
;
228 static struct redefine_node
*redefine_sym_list
= NULL
;
230 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
231 static bfd_boolean weaken
= FALSE
;
233 /* If this is TRUE, we retain BSF_FILE symbols. */
234 static bfd_boolean keep_file_symbols
= FALSE
;
236 /* Prefix symbols/sections. */
237 static char *prefix_symbols_string
= 0;
238 static char *prefix_sections_string
= 0;
239 static char *prefix_alloc_sections_string
= 0;
241 /* True if --extract-symbol was passed on the command line. */
242 static bfd_boolean extract_symbol
= FALSE
;
244 /* If `reverse_bytes' is nonzero, then reverse the order of every chunk
245 of <reverse_bytes> bytes within each output section. */
246 static int reverse_bytes
= 0;
248 /* For Coff objects, we may want to allow or disallow long section names,
249 or preserve them where found in the inputs. Debug info relies on them. */
250 enum long_section_name_handling
257 /* The default long section handling mode is to preserve them.
258 This is also the only behaviour for 'strip'. */
259 static enum long_section_name_handling long_section_names
= KEEP
;
261 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
262 enum command_line_switch
264 OPTION_ADD_SECTION
=150,
265 OPTION_CHANGE_ADDRESSES
,
266 OPTION_CHANGE_LEADING_CHAR
,
268 OPTION_CHANGE_SECTION_ADDRESS
,
269 OPTION_CHANGE_SECTION_LMA
,
270 OPTION_CHANGE_SECTION_VMA
,
271 OPTION_CHANGE_WARNINGS
,
272 OPTION_COMPRESS_DEBUG_SECTIONS
,
274 OPTION_DECOMPRESS_DEBUG_SECTIONS
,
276 OPTION_NO_CHANGE_WARNINGS
,
278 OPTION_REMOVE_LEADING_CHAR
,
279 OPTION_SET_SECTION_FLAGS
,
281 OPTION_STRIP_UNNEEDED
,
284 OPTION_REDEFINE_SYMS
,
287 OPTION_STRIP_SYMBOLS
,
288 OPTION_STRIP_UNNEEDED_SYMBOL
,
289 OPTION_STRIP_UNNEEDED_SYMBOLS
,
291 OPTION_LOCALIZE_HIDDEN
,
292 OPTION_LOCALIZE_SYMBOLS
,
293 OPTION_LONG_SECTION_NAMES
,
294 OPTION_GLOBALIZE_SYMBOL
,
295 OPTION_GLOBALIZE_SYMBOLS
,
296 OPTION_KEEPGLOBAL_SYMBOLS
,
297 OPTION_WEAKEN_SYMBOLS
,
298 OPTION_RENAME_SECTION
,
299 OPTION_ALT_MACH_CODE
,
300 OPTION_PREFIX_SYMBOLS
,
301 OPTION_PREFIX_SECTIONS
,
302 OPTION_PREFIX_ALLOC_SECTIONS
,
304 OPTION_ADD_GNU_DEBUGLINK
,
305 OPTION_ONLY_KEEP_DEBUG
,
306 OPTION_KEEP_FILE_SYMBOLS
,
307 OPTION_READONLY_TEXT
,
308 OPTION_WRITABLE_TEXT
,
311 OPTION_EXTRACT_SYMBOL
,
312 OPTION_REVERSE_BYTES
,
313 OPTION_FILE_ALIGNMENT
,
316 OPTION_SECTION_ALIGNMENT
,
318 OPTION_INTERLEAVE_WIDTH
,
324 /* Options to handle if running as "strip". */
326 static struct option strip_options
[] =
328 {"discard-all", no_argument
, 0, 'x'},
329 {"discard-locals", no_argument
, 0, 'X'},
330 {"enable-deterministic-archives", no_argument
, 0, 'D'},
331 {"format", required_argument
, 0, 'F'}, /* Obsolete */
332 {"help", no_argument
, 0, 'h'},
333 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
334 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
335 {"input-target", required_argument
, 0, 'I'},
336 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
337 {"keep-symbol", required_argument
, 0, 'K'},
338 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
339 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
340 {"output-target", required_argument
, 0, 'O'},
341 {"output-file", required_argument
, 0, 'o'},
342 {"preserve-dates", no_argument
, 0, 'p'},
343 {"remove-section", required_argument
, 0, 'R'},
344 {"strip-all", no_argument
, 0, 's'},
345 {"strip-debug", no_argument
, 0, 'S'},
346 {"strip-dwo", no_argument
, 0, OPTION_STRIP_DWO
},
347 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
348 {"strip-symbol", required_argument
, 0, 'N'},
349 {"target", required_argument
, 0, 'F'},
350 {"verbose", no_argument
, 0, 'v'},
351 {"version", no_argument
, 0, 'V'},
352 {"wildcard", no_argument
, 0, 'w'},
353 {0, no_argument
, 0, 0}
356 /* Options to handle if running as "objcopy". */
358 static struct option copy_options
[] =
360 {"add-gnu-debuglink", required_argument
, 0, OPTION_ADD_GNU_DEBUGLINK
},
361 {"add-section", required_argument
, 0, OPTION_ADD_SECTION
},
362 {"adjust-start", required_argument
, 0, OPTION_CHANGE_START
},
363 {"adjust-vma", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
364 {"adjust-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
365 {"adjust-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
366 {"alt-machine-code", required_argument
, 0, OPTION_ALT_MACH_CODE
},
367 {"binary-architecture", required_argument
, 0, 'B'},
368 {"byte", required_argument
, 0, 'b'},
369 {"change-addresses", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
370 {"change-leading-char", no_argument
, 0, OPTION_CHANGE_LEADING_CHAR
},
371 {"change-section-address", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
372 {"change-section-lma", required_argument
, 0, OPTION_CHANGE_SECTION_LMA
},
373 {"change-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_VMA
},
374 {"change-start", required_argument
, 0, OPTION_CHANGE_START
},
375 {"change-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
376 {"compress-debug-sections", no_argument
, 0, OPTION_COMPRESS_DEBUG_SECTIONS
},
377 {"debugging", no_argument
, 0, OPTION_DEBUGGING
},
378 {"decompress-debug-sections", no_argument
, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS
},
379 {"discard-all", no_argument
, 0, 'x'},
380 {"discard-locals", no_argument
, 0, 'X'},
381 {"enable-deterministic-archives", no_argument
, 0, 'D'},
382 {"extract-dwo", no_argument
, 0, OPTION_EXTRACT_DWO
},
383 {"extract-symbol", no_argument
, 0, OPTION_EXTRACT_SYMBOL
},
384 {"format", required_argument
, 0, 'F'}, /* Obsolete */
385 {"gap-fill", required_argument
, 0, OPTION_GAP_FILL
},
386 {"globalize-symbol", required_argument
, 0, OPTION_GLOBALIZE_SYMBOL
},
387 {"globalize-symbols", required_argument
, 0, OPTION_GLOBALIZE_SYMBOLS
},
388 {"help", no_argument
, 0, 'h'},
389 {"impure", no_argument
, 0, OPTION_IMPURE
},
390 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
391 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
392 {"input-target", required_argument
, 0, 'I'},
393 {"interleave", optional_argument
, 0, 'i'},
394 {"interleave-width", required_argument
, 0, OPTION_INTERLEAVE_WIDTH
},
395 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
396 {"keep-global-symbol", required_argument
, 0, 'G'},
397 {"keep-global-symbols", required_argument
, 0, OPTION_KEEPGLOBAL_SYMBOLS
},
398 {"keep-symbol", required_argument
, 0, 'K'},
399 {"keep-symbols", required_argument
, 0, OPTION_KEEP_SYMBOLS
},
400 {"localize-hidden", no_argument
, 0, OPTION_LOCALIZE_HIDDEN
},
401 {"localize-symbol", required_argument
, 0, 'L'},
402 {"localize-symbols", required_argument
, 0, OPTION_LOCALIZE_SYMBOLS
},
403 {"long-section-names", required_argument
, 0, OPTION_LONG_SECTION_NAMES
},
404 {"no-adjust-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
405 {"no-change-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
406 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
407 {"only-section", required_argument
, 0, 'j'},
408 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
409 {"output-target", required_argument
, 0, 'O'},
410 {"pad-to", required_argument
, 0, OPTION_PAD_TO
},
411 {"prefix-symbols", required_argument
, 0, OPTION_PREFIX_SYMBOLS
},
412 {"prefix-sections", required_argument
, 0, OPTION_PREFIX_SECTIONS
},
413 {"prefix-alloc-sections", required_argument
, 0, OPTION_PREFIX_ALLOC_SECTIONS
},
414 {"preserve-dates", no_argument
, 0, 'p'},
415 {"pure", no_argument
, 0, OPTION_PURE
},
416 {"readonly-text", no_argument
, 0, OPTION_READONLY_TEXT
},
417 {"redefine-sym", required_argument
, 0, OPTION_REDEFINE_SYM
},
418 {"redefine-syms", required_argument
, 0, OPTION_REDEFINE_SYMS
},
419 {"remove-leading-char", no_argument
, 0, OPTION_REMOVE_LEADING_CHAR
},
420 {"remove-section", required_argument
, 0, 'R'},
421 {"rename-section", required_argument
, 0, OPTION_RENAME_SECTION
},
422 {"reverse-bytes", required_argument
, 0, OPTION_REVERSE_BYTES
},
423 {"set-section-flags", required_argument
, 0, OPTION_SET_SECTION_FLAGS
},
424 {"set-start", required_argument
, 0, OPTION_SET_START
},
425 {"srec-len", required_argument
, 0, OPTION_SREC_LEN
},
426 {"srec-forceS3", no_argument
, 0, OPTION_SREC_FORCES3
},
427 {"strip-all", no_argument
, 0, 'S'},
428 {"strip-debug", no_argument
, 0, 'g'},
429 {"strip-dwo", no_argument
, 0, OPTION_STRIP_DWO
},
430 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
431 {"strip-unneeded-symbol", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOL
},
432 {"strip-unneeded-symbols", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOLS
},
433 {"strip-symbol", required_argument
, 0, 'N'},
434 {"strip-symbols", required_argument
, 0, OPTION_STRIP_SYMBOLS
},
435 {"target", required_argument
, 0, 'F'},
436 {"verbose", no_argument
, 0, 'v'},
437 {"version", no_argument
, 0, 'V'},
438 {"weaken", no_argument
, 0, OPTION_WEAKEN
},
439 {"weaken-symbol", required_argument
, 0, 'W'},
440 {"weaken-symbols", required_argument
, 0, OPTION_WEAKEN_SYMBOLS
},
441 {"wildcard", no_argument
, 0, 'w'},
442 {"writable-text", no_argument
, 0, OPTION_WRITABLE_TEXT
},
443 {"file-alignment", required_argument
, 0, OPTION_FILE_ALIGNMENT
},
444 {"heap", required_argument
, 0, OPTION_HEAP
},
445 {"image-base", required_argument
, 0 , OPTION_IMAGE_BASE
},
446 {"section-alignment", required_argument
, 0, OPTION_SECTION_ALIGNMENT
},
447 {"stack", required_argument
, 0, OPTION_STACK
},
448 {"subsystem", required_argument
, 0, OPTION_SUBSYSTEM
},
449 {0, no_argument
, 0, 0}
453 extern char *program_name
;
455 /* This flag distinguishes between strip and objcopy:
456 1 means this is 'strip'; 0 means this is 'objcopy'.
457 -1 means if we should use argv[0] to decide. */
460 /* The maximum length of an S record. This variable is declared in srec.c
461 and can be modified by the --srec-len parameter. */
462 extern unsigned int Chunk
;
464 /* Restrict the generation of Srecords to type S3 only.
465 This variable is declare in bfd/srec.c and can be toggled
466 on by the --srec-forceS3 command line switch. */
467 extern bfd_boolean S3Forced
;
469 /* Forward declarations. */
470 static void setup_section (bfd
*, asection
*, void *);
471 static void setup_bfd_headers (bfd
*, bfd
*);
472 static void copy_relocations_in_section (bfd
*, asection
*, void *);
473 static void copy_section (bfd
*, asection
*, void *);
474 static void get_sections (bfd
*, asection
*, void *);
475 static int compare_section_lma (const void *, const void *);
476 static void mark_symbols_used_in_relocations (bfd
*, asection
*, void *);
477 static bfd_boolean
write_debugging_info (bfd
*, void *, long *, asymbol
***);
478 static const char *lookup_sym_redefinition (const char *);
481 copy_usage (FILE *stream
, int exit_status
)
483 fprintf (stream
, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name
);
484 fprintf (stream
, _(" Copies a binary file, possibly transforming it in the process\n"));
485 fprintf (stream
, _(" The options are:\n"));
486 fprintf (stream
, _("\
487 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
488 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
489 -B --binary-architecture <arch> Set output arch, when input is arch-less\n\
490 -F --target <bfdname> Set both input and output format to <bfdname>\n\
491 --debugging Convert debugging information, if possible\n\
492 -p --preserve-dates Copy modified/access timestamps to the output\n\
493 -D --enable-deterministic-archives\n\
494 Produce deterministic output when stripping archives\n\
495 -j --only-section <name> Only copy section <name> into the output\n\
496 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
497 -R --remove-section <name> Remove section <name> from the output\n\
498 -S --strip-all Remove all symbol and relocation information\n\
499 -g --strip-debug Remove all debugging symbols & sections\n\
500 --strip-dwo Remove all DWO sections\n\
501 --strip-unneeded Remove all symbols not needed by relocations\n\
502 -N --strip-symbol <name> Do not copy symbol <name>\n\
503 --strip-unneeded-symbol <name>\n\
504 Do not copy symbol <name> unless needed by\n\
506 --only-keep-debug Strip everything but the debug information\n\
507 --extract-dwo Copy only DWO sections\n\
508 --extract-symbol Remove section contents but keep symbols\n\
509 -K --keep-symbol <name> Do not strip symbol <name>\n\
510 --keep-file-symbols Do not strip file symbol(s)\n\
511 --localize-hidden Turn all ELF hidden symbols into locals\n\
512 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
513 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
514 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
515 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
516 --weaken Force all global symbols to be marked as weak\n\
517 -w --wildcard Permit wildcard in symbol comparison\n\
518 -x --discard-all Remove all non-global symbols\n\
519 -X --discard-locals Remove any compiler-generated symbols\n\
520 -i --interleave [<number>] Only copy N out of every <number> bytes\n\
521 --interleave-width <number> Set N for --interleave\n\
522 -b --byte <num> Select byte <num> in every interleaved block\n\
523 --gap-fill <val> Fill gaps between sections with <val>\n\
524 --pad-to <addr> Pad the last section up to address <addr>\n\
525 --set-start <addr> Set the start address to <addr>\n\
526 {--change-start|--adjust-start} <incr>\n\
527 Add <incr> to the start address\n\
528 {--change-addresses|--adjust-vma} <incr>\n\
529 Add <incr> to LMA, VMA and start addresses\n\
530 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
531 Change LMA and VMA of section <name> by <val>\n\
532 --change-section-lma <name>{=|+|-}<val>\n\
533 Change the LMA of section <name> by <val>\n\
534 --change-section-vma <name>{=|+|-}<val>\n\
535 Change the VMA of section <name> by <val>\n\
536 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
537 Warn if a named section does not exist\n\
538 --set-section-flags <name>=<flags>\n\
539 Set section <name>'s properties to <flags>\n\
540 --add-section <name>=<file> Add section <name> found in <file> to output\n\
541 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
542 --long-section-names {enable|disable|keep}\n\
543 Handle long section names in Coff objects.\n\
544 --change-leading-char Force output format's leading character style\n\
545 --remove-leading-char Remove leading character from global symbols\n\
546 --reverse-bytes=<num> Reverse <num> bytes at a time, in output sections with content\n\
547 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
548 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
550 --srec-len <number> Restrict the length of generated Srecords\n\
551 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
552 --strip-symbols <file> -N for all symbols listed in <file>\n\
553 --strip-unneeded-symbols <file>\n\
554 --strip-unneeded-symbol for all symbols listed\n\
556 --keep-symbols <file> -K for all symbols listed in <file>\n\
557 --localize-symbols <file> -L for all symbols listed in <file>\n\
558 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
559 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
560 --weaken-symbols <file> -W for all symbols listed in <file>\n\
561 --alt-machine-code <index> Use the target's <index>'th alternative machine\n\
562 --writable-text Mark the output text as writable\n\
563 --readonly-text Make the output text write protected\n\
564 --pure Mark the output file as demand paged\n\
565 --impure Mark the output file as impure\n\
566 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
567 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
568 --prefix-alloc-sections <prefix>\n\
569 Add <prefix> to start of every allocatable\n\
571 --file-alignment <num> Set PE file alignment to <num>\n\
572 --heap <reserve>[,<commit>] Set PE reserve/commit heap to <reserve>/\n\
574 --image-base <address> Set PE image base to <address>\n\
575 --section-alignment <num> Set PE section alignment to <num>\n\
576 --stack <reserve>[,<commit>] Set PE reserve/commit stack to <reserve>/\n\
578 --subsystem <name>[:<version>]\n\
579 Set PE subsystem to <name> [& <version>]\n\
580 --compress-debug-sections Compress DWARF debug sections using zlib\n\
581 --decompress-debug-sections Decompress DWARF debug sections using zlib\n\
582 -v --verbose List all object files modified\n\
583 @<file> Read options from <file>\n\
584 -V --version Display this program's version number\n\
585 -h --help Display this output\n\
586 --info List object formats & architectures supported\n\
588 list_supported_targets (program_name
, stream
);
589 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
590 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
595 strip_usage (FILE *stream
, int exit_status
)
597 fprintf (stream
, _("Usage: %s <option(s)> in-file(s)\n"), program_name
);
598 fprintf (stream
, _(" Removes symbols and sections from files\n"));
599 fprintf (stream
, _(" The options are:\n"));
600 fprintf (stream
, _("\
601 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
602 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
603 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
604 -p --preserve-dates Copy modified/access timestamps to the output\n\
605 -D --enable-deterministic-archives\n\
606 Produce deterministic output when stripping archives\n\
607 -R --remove-section=<name> Remove section <name> from the output\n\
608 -s --strip-all Remove all symbol and relocation information\n\
609 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
610 --strip-dwo Remove all DWO sections\n\
611 --strip-unneeded Remove all symbols not needed by relocations\n\
612 --only-keep-debug Strip everything but the debug information\n\
613 -N --strip-symbol=<name> Do not copy symbol <name>\n\
614 -K --keep-symbol=<name> Do not strip symbol <name>\n\
615 --keep-file-symbols Do not strip file symbol(s)\n\
616 -w --wildcard Permit wildcard in symbol comparison\n\
617 -x --discard-all Remove all non-global symbols\n\
618 -X --discard-locals Remove any compiler-generated symbols\n\
619 -v --verbose List all object files modified\n\
620 -V --version Display this program's version number\n\
621 -h --help Display this output\n\
622 --info List object formats & architectures supported\n\
623 -o <file> Place stripped output into <file>\n\
626 list_supported_targets (program_name
, stream
);
627 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
628 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
632 /* Parse section flags into a flagword, with a fatal error if the
633 string can't be parsed. */
636 parse_flags (const char *s
)
646 snext
= strchr (s
, ',');
656 #define PARSE_FLAG(fname,fval) \
657 else if (strncasecmp (fname, s, len) == 0) ret |= fval
658 PARSE_FLAG ("alloc", SEC_ALLOC
);
659 PARSE_FLAG ("load", SEC_LOAD
);
660 PARSE_FLAG ("noload", SEC_NEVER_LOAD
);
661 PARSE_FLAG ("readonly", SEC_READONLY
);
662 PARSE_FLAG ("debug", SEC_DEBUGGING
);
663 PARSE_FLAG ("code", SEC_CODE
);
664 PARSE_FLAG ("data", SEC_DATA
);
665 PARSE_FLAG ("rom", SEC_ROM
);
666 PARSE_FLAG ("share", SEC_COFF_SHARED
);
667 PARSE_FLAG ("contents", SEC_HAS_CONTENTS
);
673 copy
= (char *) xmalloc (len
+ 1);
674 strncpy (copy
, s
, len
);
676 non_fatal (_("unrecognized section flag `%s'"), copy
);
677 fatal (_("supported flags: %s"),
678 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
688 /* Find and optionally add an entry in the change_sections list. */
690 static struct section_list
*
691 find_section_list (const char *name
, bfd_boolean add
)
693 struct section_list
*p
;
695 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
696 if (strcmp (p
->name
, name
) == 0)
702 p
= (struct section_list
*) xmalloc (sizeof (struct section_list
));
707 p
->change_vma
= CHANGE_IGNORE
;
708 p
->change_lma
= CHANGE_IGNORE
;
711 p
->set_flags
= FALSE
;
714 p
->next
= change_sections
;
720 /* There is htab_hash_string but no htab_eq_string. Makes sense. */
723 eq_string (const void *s1
, const void *s2
)
725 return strcmp ((const char *) s1
, (const char *) s2
) == 0;
729 create_symbol_htab (void)
731 return htab_create_alloc (16, htab_hash_string
, eq_string
, NULL
, xcalloc
, free
);
735 create_symbol_htabs (void)
737 strip_specific_htab
= create_symbol_htab ();
738 strip_unneeded_htab
= create_symbol_htab ();
739 keep_specific_htab
= create_symbol_htab ();
740 localize_specific_htab
= create_symbol_htab ();
741 globalize_specific_htab
= create_symbol_htab ();
742 keepglobal_specific_htab
= create_symbol_htab ();
743 weaken_specific_htab
= create_symbol_htab ();
746 /* Add a symbol to strip_specific_list. */
749 add_specific_symbol (const char *name
, htab_t htab
)
751 *htab_find_slot (htab
, name
, INSERT
) = (char *) name
;
754 /* Add symbols listed in `filename' to strip_specific_list. */
756 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
757 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
760 add_specific_symbols (const char *filename
, htab_t htab
)
766 unsigned int line_count
;
768 size
= get_file_size (filename
);
775 buffer
= (char *) xmalloc (size
+ 2);
776 f
= fopen (filename
, FOPEN_RT
);
778 fatal (_("cannot open '%s': %s"), filename
, strerror (errno
));
780 if (fread (buffer
, 1, size
, f
) == 0 || ferror (f
))
781 fatal (_("%s: fread failed"), filename
);
784 buffer
[size
] = '\n';
785 buffer
[size
+ 1] = '\0';
789 for (line
= buffer
; * line
!= '\0'; line
++)
794 int finished
= FALSE
;
796 for (eol
= line
;; eol
++)
802 /* Cope with \n\r. */
810 /* Cope with \r\n. */
821 /* Line comment, Terminate the line here, in case a
822 name is present and then allow the rest of the
823 loop to find the real end of the line. */
835 /* A name may now exist somewhere between 'line' and 'eol'.
836 Strip off leading whitespace and trailing whitespace,
837 then add it to the list. */
838 for (name
= line
; IS_WHITESPACE (* name
); name
++)
840 for (name_end
= name
;
841 (! IS_WHITESPACE (* name_end
))
842 && (! IS_LINE_TERMINATOR (* name_end
));
846 if (! IS_LINE_TERMINATOR (* name_end
))
850 for (extra
= name_end
+ 1; IS_WHITESPACE (* extra
); extra
++)
853 if (! IS_LINE_TERMINATOR (* extra
))
854 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
855 filename
, line_count
);
861 add_specific_symbol (name
, htab
);
863 /* Advance line pointer to end of line. The 'eol ++' in the for
864 loop above will then advance us to the start of the next line. */
870 /* See whether a symbol should be stripped or kept
871 based on strip_specific_list and keep_symbols. */
874 is_specified_symbol_predicate (void **slot
, void *data
)
876 struct is_specified_symbol_predicate_data
*d
=
877 (struct is_specified_symbol_predicate_data
*) data
;
878 const char *slot_name
= (char *) *slot
;
880 if (*slot_name
!= '!')
882 if (! fnmatch (slot_name
, d
->name
, 0))
885 /* Stop traversal. */
891 if (fnmatch (slot_name
+ 1, d
->name
, 0))
894 /* Stop traversal. */
899 /* Continue traversal. */
904 is_specified_symbol (const char *name
, htab_t htab
)
908 struct is_specified_symbol_predicate_data data
;
913 htab_traverse (htab
, is_specified_symbol_predicate
, &data
);
918 return htab_find (htab
, name
) != NULL
;
921 /* Return a pointer to the symbol used as a signature for GROUP. */
924 group_signature (asection
*group
)
926 bfd
*abfd
= group
->owner
;
927 Elf_Internal_Shdr
*ghdr
;
929 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
932 ghdr
= &elf_section_data (group
)->this_hdr
;
933 if (ghdr
->sh_link
< elf_numsections (abfd
))
935 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
936 Elf_Internal_Shdr
*symhdr
= elf_elfsections (abfd
) [ghdr
->sh_link
];
938 if (symhdr
->sh_type
== SHT_SYMTAB
939 && ghdr
->sh_info
< symhdr
->sh_size
/ bed
->s
->sizeof_sym
)
940 return isympp
[ghdr
->sh_info
- 1];
945 /* Return TRUE if the section is a DWO section. */
948 is_dwo_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
950 const char *name
= bfd_get_section_name (abfd
, sec
);
951 int len
= strlen (name
);
953 return strncmp (name
+ len
- 4, ".dwo", 4) == 0;
956 /* See if a non-group section is being removed. */
959 is_strip_section_1 (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
961 if (sections_removed
|| sections_copied
)
963 struct section_list
*p
;
965 p
= find_section_list (bfd_get_section_name (abfd
, sec
), FALSE
);
967 if (sections_removed
&& p
!= NULL
&& p
->remove
)
969 if (sections_copied
&& (p
== NULL
|| ! p
->copy
))
973 if ((bfd_get_section_flags (abfd
, sec
) & SEC_DEBUGGING
) != 0)
975 if (strip_symbols
== STRIP_DEBUG
976 || strip_symbols
== STRIP_UNNEEDED
977 || strip_symbols
== STRIP_ALL
978 || discard_locals
== LOCALS_ALL
979 || convert_debugging
)
981 /* By default we don't want to strip .reloc section.
982 This section has for pe-coff special meaning. See
983 pe-dll.c file in ld, and peXXigen.c in bfd for details. */
984 if (strcmp (bfd_get_section_name (abfd
, sec
), ".reloc") != 0)
988 if (strip_symbols
== STRIP_DWO
)
989 return is_dwo_section (abfd
, sec
);
991 if (strip_symbols
== STRIP_NONDEBUG
)
995 if (strip_symbols
== STRIP_NONDWO
)
996 return !is_dwo_section (abfd
, sec
);
1001 /* See if a section is being removed. */
1004 is_strip_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
1006 if (is_strip_section_1 (abfd
, sec
))
1009 if ((bfd_get_section_flags (abfd
, sec
) & SEC_GROUP
) != 0)
1013 asection
*elt
, *first
;
1016 If we are going to strip the group signature symbol, then
1017 strip the group section too. */
1018 gsym
= group_signature (sec
);
1023 if ((strip_symbols
== STRIP_ALL
1024 && !is_specified_symbol (gname
, keep_specific_htab
))
1025 || is_specified_symbol (gname
, strip_specific_htab
))
1028 /* Remove the group section if all members are removed. */
1029 first
= elt
= elf_next_in_group (sec
);
1032 if (!is_strip_section_1 (abfd
, elt
))
1034 elt
= elf_next_in_group (elt
);
1045 /* Return true if SYM is a hidden symbol. */
1048 is_hidden_symbol (asymbol
*sym
)
1050 elf_symbol_type
*elf_sym
;
1052 elf_sym
= elf_symbol_from (sym
->the_bfd
, sym
);
1053 if (elf_sym
!= NULL
)
1054 switch (ELF_ST_VISIBILITY (elf_sym
->internal_elf_sym
.st_other
))
1063 /* Choose which symbol entries to copy; put the result in OSYMS.
1064 We don't copy in place, because that confuses the relocs.
1065 Return the number of symbols to print. */
1068 filter_symbols (bfd
*abfd
, bfd
*obfd
, asymbol
**osyms
,
1069 asymbol
**isyms
, long symcount
)
1071 asymbol
**from
= isyms
, **to
= osyms
;
1072 long src_count
= 0, dst_count
= 0;
1073 int relocatable
= (abfd
->flags
& (EXEC_P
| DYNAMIC
)) == 0;
1075 for (; src_count
< symcount
; src_count
++)
1077 asymbol
*sym
= from
[src_count
];
1078 flagword flags
= sym
->flags
;
1079 char *name
= (char *) bfd_asymbol_name (sym
);
1081 bfd_boolean used_in_reloc
= FALSE
;
1082 bfd_boolean undefined
;
1083 bfd_boolean rem_leading_char
;
1084 bfd_boolean add_leading_char
;
1086 undefined
= bfd_is_und_section (bfd_get_section (sym
));
1088 if (redefine_sym_list
)
1090 char *old_name
, *new_name
;
1092 old_name
= (char *) bfd_asymbol_name (sym
);
1093 new_name
= (char *) lookup_sym_redefinition (old_name
);
1094 bfd_asymbol_name (sym
) = new_name
;
1098 /* Check if we will remove the current leading character. */
1100 (name
[0] == bfd_get_symbol_leading_char (abfd
))
1101 && (change_leading_char
1102 || (remove_leading_char
1103 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1105 || bfd_is_com_section (bfd_get_section (sym
)))));
1107 /* Check if we will add a new leading character. */
1110 && (bfd_get_symbol_leading_char (obfd
) != '\0')
1111 && (bfd_get_symbol_leading_char (abfd
) == '\0'
1112 || (name
[0] == bfd_get_symbol_leading_char (abfd
)));
1114 /* Short circuit for change_leading_char if we can do it in-place. */
1115 if (rem_leading_char
&& add_leading_char
&& !prefix_symbols_string
)
1117 name
[0] = bfd_get_symbol_leading_char (obfd
);
1118 bfd_asymbol_name (sym
) = name
;
1119 rem_leading_char
= FALSE
;
1120 add_leading_char
= FALSE
;
1123 /* Remove leading char. */
1124 if (rem_leading_char
)
1125 bfd_asymbol_name (sym
) = ++name
;
1127 /* Add new leading char and/or prefix. */
1128 if (add_leading_char
|| prefix_symbols_string
)
1132 ptr
= n
= (char *) xmalloc (1 + strlen (prefix_symbols_string
)
1133 + strlen (name
) + 1);
1134 if (add_leading_char
)
1135 *ptr
++ = bfd_get_symbol_leading_char (obfd
);
1137 if (prefix_symbols_string
)
1139 strcpy (ptr
, prefix_symbols_string
);
1140 ptr
+= strlen (prefix_symbols_string
);
1144 bfd_asymbol_name (sym
) = n
;
1148 if (strip_symbols
== STRIP_ALL
)
1150 else if ((flags
& BSF_KEEP
) != 0 /* Used in relocation. */
1151 || ((flags
& BSF_SECTION_SYM
) != 0
1152 && ((*bfd_get_section (sym
)->symbol_ptr_ptr
)->flags
1156 used_in_reloc
= TRUE
;
1158 else if (relocatable
/* Relocatable file. */
1159 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1160 || bfd_is_com_section (bfd_get_section (sym
))))
1162 else if (bfd_decode_symclass (sym
) == 'I')
1163 /* Global symbols in $idata sections need to be retained
1164 even if relocatable is FALSE. External users of the
1165 library containing the $idata section may reference these
1168 else if ((flags
& BSF_GLOBAL
) != 0 /* Global symbol. */
1169 || (flags
& BSF_WEAK
) != 0
1171 || bfd_is_com_section (bfd_get_section (sym
)))
1172 keep
= strip_symbols
!= STRIP_UNNEEDED
;
1173 else if ((flags
& BSF_DEBUGGING
) != 0) /* Debugging symbol. */
1174 keep
= (strip_symbols
!= STRIP_DEBUG
1175 && strip_symbols
!= STRIP_UNNEEDED
1176 && ! convert_debugging
);
1177 else if (bfd_coff_get_comdat_section (abfd
, bfd_get_section (sym
)))
1178 /* COMDAT sections store special information in local
1179 symbols, so we cannot risk stripping any of them. */
1181 else /* Local symbol. */
1182 keep
= (strip_symbols
!= STRIP_UNNEEDED
1183 && (discard_locals
!= LOCALS_ALL
1184 && (discard_locals
!= LOCALS_START_L
1185 || ! bfd_is_local_label (abfd
, sym
))));
1187 if (keep
&& is_specified_symbol (name
, strip_specific_htab
))
1189 /* There are multiple ways to set 'keep' above, but if it
1190 was the relocatable symbol case, then that's an error. */
1193 non_fatal (_("not stripping symbol `%s' because it is named in a relocation"), name
);
1201 && !(flags
& BSF_KEEP
)
1202 && is_specified_symbol (name
, strip_unneeded_htab
))
1206 && ((keep_file_symbols
&& (flags
& BSF_FILE
))
1207 || is_specified_symbol (name
, keep_specific_htab
)))
1210 if (keep
&& is_strip_section (abfd
, bfd_get_section (sym
)))
1215 if ((flags
& BSF_GLOBAL
) != 0
1216 && (weaken
|| is_specified_symbol (name
, weaken_specific_htab
)))
1218 sym
->flags
&= ~ BSF_GLOBAL
;
1219 sym
->flags
|= BSF_WEAK
;
1223 && (flags
& (BSF_GLOBAL
| BSF_WEAK
))
1224 && (is_specified_symbol (name
, localize_specific_htab
)
1225 || (htab_elements (keepglobal_specific_htab
) != 0
1226 && ! is_specified_symbol (name
, keepglobal_specific_htab
))
1227 || (localize_hidden
&& is_hidden_symbol (sym
))))
1229 sym
->flags
&= ~ (BSF_GLOBAL
| BSF_WEAK
);
1230 sym
->flags
|= BSF_LOCAL
;
1234 && (flags
& BSF_LOCAL
)
1235 && is_specified_symbol (name
, globalize_specific_htab
))
1237 sym
->flags
&= ~ BSF_LOCAL
;
1238 sym
->flags
|= BSF_GLOBAL
;
1241 to
[dst_count
++] = sym
;
1245 to
[dst_count
] = NULL
;
1250 /* Find the redefined name of symbol SOURCE. */
1253 lookup_sym_redefinition (const char *source
)
1255 struct redefine_node
*list
;
1257 for (list
= redefine_sym_list
; list
!= NULL
; list
= list
->next
)
1258 if (strcmp (source
, list
->source
) == 0)
1259 return list
->target
;
1264 /* Add a node to a symbol redefine list. */
1267 redefine_list_append (const char *cause
, const char *source
, const char *target
)
1269 struct redefine_node
**p
;
1270 struct redefine_node
*list
;
1271 struct redefine_node
*new_node
;
1273 for (p
= &redefine_sym_list
; (list
= *p
) != NULL
; p
= &list
->next
)
1275 if (strcmp (source
, list
->source
) == 0)
1276 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
1279 if (strcmp (target
, list
->target
) == 0)
1280 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1284 new_node
= (struct redefine_node
*) xmalloc (sizeof (struct redefine_node
));
1286 new_node
->source
= strdup (source
);
1287 new_node
->target
= strdup (target
);
1288 new_node
->next
= NULL
;
1293 /* Handle the --redefine-syms option. Read lines containing "old new"
1294 from the file, and add them to the symbol redefine list. */
1297 add_redefine_syms_file (const char *filename
)
1306 file
= fopen (filename
, "r");
1308 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1309 filename
, strerror (errno
));
1312 buf
= (char *) xmalloc (bufsize
+ 1 /* For the terminating NUL. */);
1320 /* Collect the input symbol name. */
1321 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1329 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1337 /* Eat white space between the symbol names. */
1338 while (IS_WHITESPACE (c
))
1340 if (c
== '#' || IS_LINE_TERMINATOR (c
))
1345 /* Collect the output symbol name. */
1347 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1355 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1363 /* Eat white space at end of line. */
1364 while (! IS_LINE_TERMINATOR(c
) && c
!= EOF
&& IS_WHITESPACE (c
))
1369 if ((c
== '\r' && (c
= getc (file
)) == '\n')
1370 || c
== '\n' || c
== EOF
)
1373 /* Append the redefinition to the list. */
1375 redefine_list_append (filename
, &buf
[0], &buf
[outsym_off
]);
1386 fatal (_("%s:%d: garbage found at end of line"), filename
, lineno
);
1388 if (len
!= 0 && (outsym_off
== 0 || outsym_off
== len
))
1389 fatal (_("%s:%d: missing new symbol name"), filename
, lineno
);
1392 /* Eat the rest of the line and finish it. */
1393 while (c
!= '\n' && c
!= EOF
)
1399 fatal (_("%s:%d: premature end of file"), filename
, lineno
);
1404 /* Copy unkown object file IBFD onto OBFD.
1405 Returns TRUE upon success, FALSE otherwise. */
1408 copy_unknown_object (bfd
*ibfd
, bfd
*obfd
)
1416 if (bfd_stat_arch_elt (ibfd
, &buf
) != 0)
1418 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1425 non_fatal (_("stat returns negative size for `%s'"),
1426 bfd_get_archive_filename (ibfd
));
1430 if (bfd_seek (ibfd
, (file_ptr
) 0, SEEK_SET
) != 0)
1432 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1437 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1438 bfd_get_archive_filename (ibfd
), bfd_get_filename (obfd
));
1440 cbuf
= (char *) xmalloc (BUFSIZE
);
1442 while (ncopied
< size
)
1444 tocopy
= size
- ncopied
;
1445 if (tocopy
> BUFSIZE
)
1448 if (bfd_bread (cbuf
, (bfd_size_type
) tocopy
, ibfd
)
1449 != (bfd_size_type
) tocopy
)
1451 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1456 if (bfd_bwrite (cbuf
, (bfd_size_type
) tocopy
, obfd
)
1457 != (bfd_size_type
) tocopy
)
1459 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
1467 /* We should at least to be able to read it back when copying an
1468 unknown object in an archive. */
1469 chmod (bfd_get_filename (obfd
), buf
.st_mode
| S_IRUSR
);
1474 /* Copy object file IBFD onto OBFD.
1475 Returns TRUE upon success, FALSE otherwise. */
1478 copy_object (bfd
*ibfd
, bfd
*obfd
, const bfd_arch_info_type
*input_arch
)
1482 asection
**osections
= NULL
;
1483 asection
*gnu_debuglink_section
= NULL
;
1484 bfd_size_type
*gaps
= NULL
;
1485 bfd_size_type max_gap
= 0;
1488 enum bfd_architecture iarch
;
1491 if (ibfd
->xvec
->byteorder
!= obfd
->xvec
->byteorder
1492 && ibfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
1493 && obfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
)
1494 fatal (_("Unable to change endianness of input file(s)"));
1496 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1498 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
1503 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1504 bfd_get_archive_filename (ibfd
), bfd_get_target (ibfd
),
1505 bfd_get_filename (obfd
), bfd_get_target (obfd
));
1514 start
= bfd_get_start_address (ibfd
);
1515 start
+= change_start
;
1518 /* Neither the start address nor the flags
1519 need to be set for a core file. */
1520 if (bfd_get_format (obfd
) != bfd_core
)
1524 flags
= bfd_get_file_flags (ibfd
);
1525 flags
|= bfd_flags_to_set
;
1526 flags
&= ~bfd_flags_to_clear
;
1527 flags
&= bfd_applicable_file_flags (obfd
);
1529 if (strip_symbols
== STRIP_ALL
)
1530 flags
&= ~HAS_RELOC
;
1532 if (!bfd_set_start_address (obfd
, start
)
1533 || !bfd_set_file_flags (obfd
, flags
))
1535 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1540 /* Copy architecture of input file to output file. */
1541 iarch
= bfd_get_arch (ibfd
);
1542 imach
= bfd_get_mach (ibfd
);
1545 if (bfd_get_arch_info (ibfd
) == NULL
1546 || bfd_get_arch_info (ibfd
)->arch
== bfd_arch_unknown
)
1548 iarch
= input_arch
->arch
;
1549 imach
= input_arch
->mach
;
1552 non_fatal (_("Input file `%s' ignores binary architecture parameter."),
1553 bfd_get_archive_filename (ibfd
));
1555 if (!bfd_set_arch_mach (obfd
, iarch
, imach
)
1556 && (ibfd
->target_defaulted
1557 || bfd_get_arch (ibfd
) != bfd_get_arch (obfd
)))
1559 if (bfd_get_arch (ibfd
) == bfd_arch_unknown
)
1560 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1561 bfd_get_archive_filename (ibfd
));
1563 non_fatal (_("Output file cannot represent architecture `%s'"),
1564 bfd_printable_arch_mach (bfd_get_arch (ibfd
),
1565 bfd_get_mach (ibfd
)));
1569 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
1571 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1575 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
1576 && bfd_pei_p (obfd
))
1578 /* Set up PE parameters. */
1579 pe_data_type
*pe
= pe_data (obfd
);
1581 /* Copy PE parameters before changing them. */
1582 if (ibfd
->xvec
->flavour
== bfd_target_coff_flavour
1583 && bfd_pei_p (ibfd
))
1584 pe
->pe_opthdr
= pe_data (ibfd
)->pe_opthdr
;
1586 if (pe_file_alignment
!= (bfd_vma
) -1)
1587 pe
->pe_opthdr
.FileAlignment
= pe_file_alignment
;
1589 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
1591 if (pe_heap_commit
!= (bfd_vma
) -1)
1592 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_commit
;
1594 if (pe_heap_reserve
!= (bfd_vma
) -1)
1595 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_reserve
;
1597 if (pe_image_base
!= (bfd_vma
) -1)
1598 pe
->pe_opthdr
.ImageBase
= pe_image_base
;
1600 if (pe_section_alignment
!= (bfd_vma
) -1)
1601 pe
->pe_opthdr
.SectionAlignment
= pe_section_alignment
;
1603 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
1605 if (pe_stack_commit
!= (bfd_vma
) -1)
1606 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_commit
;
1608 if (pe_stack_reserve
!= (bfd_vma
) -1)
1609 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_reserve
;
1611 if (pe_subsystem
!= -1)
1612 pe
->pe_opthdr
.Subsystem
= pe_subsystem
;
1614 if (pe_major_subsystem_version
!= -1)
1615 pe
->pe_opthdr
.MajorSubsystemVersion
= pe_major_subsystem_version
;
1617 if (pe_minor_subsystem_version
!= -1)
1618 pe
->pe_opthdr
.MinorSubsystemVersion
= pe_minor_subsystem_version
;
1620 if (pe_file_alignment
> pe_section_alignment
)
1622 char file_alignment
[20], section_alignment
[20];
1624 sprintf_vma (file_alignment
, pe_file_alignment
);
1625 sprintf_vma (section_alignment
, pe_section_alignment
);
1626 non_fatal (_("warning: file alignment (0x%s) > section alignment (0x%s)"),
1628 file_alignment
, section_alignment
);
1635 if (osympp
!= isympp
)
1641 symsize
= bfd_get_symtab_upper_bound (ibfd
);
1644 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1648 osympp
= isympp
= (asymbol
**) xmalloc (symsize
);
1649 symcount
= bfd_canonicalize_symtab (ibfd
, isympp
);
1652 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1656 /* BFD mandates that all output sections be created and sizes set before
1657 any output is done. Thus, we traverse all sections multiple times. */
1658 bfd_map_over_sections (ibfd
, setup_section
, obfd
);
1660 if (!extract_symbol
)
1661 setup_bfd_headers (ibfd
, obfd
);
1663 if (add_sections
!= NULL
)
1665 struct section_add
*padd
;
1666 struct section_list
*pset
;
1668 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1672 pset
= find_section_list (padd
->name
, FALSE
);
1676 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DATA
;
1677 if (pset
!= NULL
&& pset
->set_flags
)
1678 flags
= pset
->flags
| SEC_HAS_CONTENTS
;
1680 /* bfd_make_section_with_flags() does not return very helpful
1681 error codes, so check for the most likely user error first. */
1682 if (bfd_get_section_by_name (obfd
, padd
->name
))
1684 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1685 _("can't add section '%s'"), padd
->name
);
1690 /* We use LINKER_CREATED here so that the backend hooks
1691 will create any special section type information,
1692 instead of presuming we know what we're doing merely
1693 because we set the flags. */
1694 padd
->section
= bfd_make_section_with_flags
1695 (obfd
, padd
->name
, flags
| SEC_LINKER_CREATED
);
1696 if (padd
->section
== NULL
)
1698 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1699 _("can't create section `%s'"),
1705 if (! bfd_set_section_size (obfd
, padd
->section
, padd
->size
))
1707 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1713 if (pset
->change_vma
!= CHANGE_IGNORE
)
1714 if (! bfd_set_section_vma (obfd
, padd
->section
,
1717 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1721 if (pset
->change_lma
!= CHANGE_IGNORE
)
1723 padd
->section
->lma
= pset
->lma_val
;
1725 if (! bfd_set_section_alignment
1726 (obfd
, padd
->section
,
1727 bfd_section_alignment (obfd
, padd
->section
)))
1729 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1737 if (gnu_debuglink_filename
!= NULL
)
1739 gnu_debuglink_section
= bfd_create_gnu_debuglink_section
1740 (obfd
, gnu_debuglink_filename
);
1742 if (gnu_debuglink_section
== NULL
)
1744 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1745 _("cannot create debug link section `%s'"),
1746 gnu_debuglink_filename
);
1750 /* Special processing for PE format files. We
1751 have no way to distinguish PE from COFF here. */
1752 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
)
1754 bfd_vma debuglink_vma
;
1755 asection
* highest_section
;
1758 /* The PE spec requires that all sections be adjacent and sorted
1759 in ascending order of VMA. It also specifies that debug
1760 sections should be last. This is despite the fact that debug
1761 sections are not loaded into memory and so in theory have no
1764 This means that the debuglink section must be given a non-zero
1765 VMA which makes it contiguous with other debug sections. So
1766 walk the current section list, find the section with the
1767 highest VMA and start the debuglink section after that one. */
1768 for (sec
= obfd
->sections
, highest_section
= NULL
;
1772 && (highest_section
== NULL
1773 || sec
->vma
> highest_section
->vma
))
1774 highest_section
= sec
;
1776 if (highest_section
)
1777 debuglink_vma
= BFD_ALIGN (highest_section
->vma
1778 + highest_section
->size
,
1779 /* FIXME: We ought to be using
1780 COFF_PAGE_SIZE here or maybe
1781 bfd_get_section_alignment() (if it
1782 was set) but since this is for PE
1783 and we know the required alignment
1784 it is easier just to hard code it. */
1787 /* Umm, not sure what to do in this case. */
1788 debuglink_vma
= 0x1000;
1790 bfd_set_section_vma (obfd
, gnu_debuglink_section
, debuglink_vma
);
1794 if (bfd_count_sections (obfd
) != 0
1795 && (gap_fill_set
|| pad_to_set
))
1800 /* We must fill in gaps between the sections and/or we must pad
1801 the last section to a specified address. We do this by
1802 grabbing a list of the sections, sorting them by VMA, and
1803 increasing the section sizes as required to fill the gaps.
1804 We write out the gap contents below. */
1806 c
= bfd_count_sections (obfd
);
1807 osections
= (asection
**) xmalloc (c
* sizeof (asection
*));
1809 bfd_map_over_sections (obfd
, get_sections
, &set
);
1811 qsort (osections
, c
, sizeof (asection
*), compare_section_lma
);
1813 gaps
= (bfd_size_type
*) xmalloc (c
* sizeof (bfd_size_type
));
1814 memset (gaps
, 0, c
* sizeof (bfd_size_type
));
1818 for (i
= 0; i
< c
- 1; i
++)
1822 bfd_vma gap_start
, gap_stop
;
1824 flags
= bfd_get_section_flags (obfd
, osections
[i
]);
1825 if ((flags
& SEC_HAS_CONTENTS
) == 0
1826 || (flags
& SEC_LOAD
) == 0)
1829 size
= bfd_section_size (obfd
, osections
[i
]);
1830 gap_start
= bfd_section_lma (obfd
, osections
[i
]) + size
;
1831 gap_stop
= bfd_section_lma (obfd
, osections
[i
+ 1]);
1832 if (gap_start
< gap_stop
)
1834 if (! bfd_set_section_size (obfd
, osections
[i
],
1835 size
+ (gap_stop
- gap_start
)))
1837 bfd_nonfatal_message (NULL
, obfd
, osections
[i
],
1838 _("Can't fill gap after section"));
1842 gaps
[i
] = gap_stop
- gap_start
;
1843 if (max_gap
< gap_stop
- gap_start
)
1844 max_gap
= gap_stop
- gap_start
;
1854 lma
= bfd_section_lma (obfd
, osections
[c
- 1]);
1855 size
= bfd_section_size (obfd
, osections
[c
- 1]);
1856 if (lma
+ size
< pad_to
)
1858 if (! bfd_set_section_size (obfd
, osections
[c
- 1],
1861 bfd_nonfatal_message (NULL
, obfd
, osections
[c
- 1],
1862 _("can't add padding"));
1867 gaps
[c
- 1] = pad_to
- (lma
+ size
);
1868 if (max_gap
< pad_to
- (lma
+ size
))
1869 max_gap
= pad_to
- (lma
+ size
);
1875 /* Symbol filtering must happen after the output sections
1876 have been created, but before their contents are set. */
1878 if (convert_debugging
)
1879 dhandle
= read_debugging_info (ibfd
, isympp
, symcount
, FALSE
);
1881 if (strip_symbols
== STRIP_DEBUG
1882 || strip_symbols
== STRIP_ALL
1883 || strip_symbols
== STRIP_UNNEEDED
1884 || strip_symbols
== STRIP_NONDEBUG
1885 || strip_symbols
== STRIP_DWO
1886 || strip_symbols
== STRIP_NONDWO
1887 || discard_locals
!= LOCALS_UNDEF
1889 || htab_elements (strip_specific_htab
) != 0
1890 || htab_elements (keep_specific_htab
) != 0
1891 || htab_elements (localize_specific_htab
) != 0
1892 || htab_elements (globalize_specific_htab
) != 0
1893 || htab_elements (keepglobal_specific_htab
) != 0
1894 || htab_elements (weaken_specific_htab
) != 0
1895 || prefix_symbols_string
1898 || convert_debugging
1899 || change_leading_char
1900 || remove_leading_char
1901 || redefine_sym_list
1904 /* Mark symbols used in output relocations so that they
1905 are kept, even if they are local labels or static symbols.
1907 Note we iterate over the input sections examining their
1908 relocations since the relocations for the output sections
1909 haven't been set yet. mark_symbols_used_in_relocations will
1910 ignore input sections which have no corresponding output
1912 if (strip_symbols
!= STRIP_ALL
)
1913 bfd_map_over_sections (ibfd
,
1914 mark_symbols_used_in_relocations
,
1916 osympp
= (asymbol
**) xmalloc ((symcount
+ 1) * sizeof (asymbol
*));
1917 symcount
= filter_symbols (ibfd
, obfd
, osympp
, isympp
, symcount
);
1920 if (convert_debugging
&& dhandle
!= NULL
)
1922 if (! write_debugging_info (obfd
, dhandle
, &symcount
, &osympp
))
1929 bfd_set_symtab (obfd
, osympp
, symcount
);
1931 /* This has to happen before section positions are set. */
1932 bfd_map_over_sections (ibfd
, copy_relocations_in_section
, obfd
);
1934 /* This has to happen after the symbol table has been set. */
1935 bfd_map_over_sections (ibfd
, copy_section
, obfd
);
1937 if (add_sections
!= NULL
)
1939 struct section_add
*padd
;
1941 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
1943 if (! bfd_set_section_contents (obfd
, padd
->section
, padd
->contents
,
1946 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
1952 if (gnu_debuglink_filename
!= NULL
)
1954 if (! bfd_fill_in_gnu_debuglink_section
1955 (obfd
, gnu_debuglink_section
, gnu_debuglink_filename
))
1957 bfd_nonfatal_message (NULL
, obfd
, NULL
,
1958 _("cannot fill debug link section `%s'"),
1959 gnu_debuglink_filename
);
1964 if (gap_fill_set
|| pad_to_set
)
1969 /* Fill in the gaps. */
1972 buf
= (bfd_byte
*) xmalloc (max_gap
);
1973 memset (buf
, gap_fill
, max_gap
);
1975 c
= bfd_count_sections (obfd
);
1976 for (i
= 0; i
< c
; i
++)
1984 off
= bfd_section_size (obfd
, osections
[i
]) - left
;
1995 if (! bfd_set_section_contents (obfd
, osections
[i
], buf
,
1998 bfd_nonfatal_message (NULL
, obfd
, osections
[i
], NULL
);
2009 /* Do not copy backend data if --extract-symbol is passed; anything
2010 that needs to look at the section contents will fail. */
2014 /* Allow the BFD backend to copy any private data it understands
2015 from the input BFD to the output BFD. This is done last to
2016 permit the routine to look at the filtered symbol table, which is
2017 important for the ECOFF code at least. */
2018 if (! bfd_copy_private_bfd_data (ibfd
, obfd
))
2020 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2021 _("error copying private BFD data"));
2025 /* Switch to the alternate machine code. We have to do this at the
2026 very end, because we only initialize the header when we create
2027 the first section. */
2028 if (use_alt_mach_code
!= 0)
2030 if (! bfd_alt_mach_code (obfd
, use_alt_mach_code
))
2032 non_fatal (_("this target does not support %lu alternative machine codes"),
2034 if (bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
2036 non_fatal (_("treating that number as an absolute e_machine value instead"));
2037 elf_elfheader (obfd
)->e_machine
= use_alt_mach_code
;
2040 non_fatal (_("ignoring the alternative value"));
2047 /* Read each archive element in turn from IBFD, copy the
2048 contents to temp file, and keep the temp file handle.
2049 If 'force_output_target' is TRUE then make sure that
2050 all elements in the new archive are of the type
2054 copy_archive (bfd
*ibfd
, bfd
*obfd
, const char *output_target
,
2055 bfd_boolean force_output_target
,
2056 const bfd_arch_info_type
*input_arch
)
2060 struct name_list
*next
;
2064 bfd
**ptr
= &obfd
->archive_head
;
2067 const char *filename
;
2069 /* Make a temp directory to hold the contents. */
2070 dir
= make_tempdir (bfd_get_filename (obfd
));
2072 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2075 if (strip_symbols
== STRIP_ALL
)
2076 obfd
->has_armap
= FALSE
;
2078 obfd
->has_armap
= ibfd
->has_armap
;
2079 obfd
->is_thin_archive
= ibfd
->is_thin_archive
;
2082 obfd
->flags
|= BFD_DETERMINISTIC_OUTPUT
;
2086 this_element
= bfd_openr_next_archived_file (ibfd
, NULL
);
2088 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
2091 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
2095 while (!status
&& this_element
!= NULL
)
2101 int stat_status
= 0;
2102 bfd_boolean del
= TRUE
;
2103 bfd_boolean ok_object
;
2105 /* Create an output file for this member. */
2106 output_name
= concat (dir
, "/",
2107 bfd_get_filename (this_element
), (char *) 0);
2109 /* If the file already exists, make another temp dir. */
2110 if (stat (output_name
, &buf
) >= 0)
2112 output_name
= make_tempdir (output_name
);
2113 if (output_name
== NULL
)
2114 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2117 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
2118 l
->name
= output_name
;
2122 output_name
= concat (output_name
, "/",
2123 bfd_get_filename (this_element
), (char *) 0);
2128 stat_status
= bfd_stat_arch_elt (this_element
, &buf
);
2130 if (stat_status
!= 0)
2131 non_fatal (_("internal stat error on %s"),
2132 bfd_get_filename (this_element
));
2135 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
2136 l
->name
= output_name
;
2141 ok_object
= bfd_check_format (this_element
, bfd_object
);
2143 bfd_nonfatal_message (NULL
, this_element
, NULL
,
2144 _("Unable to recognise the format of file"));
2146 /* PR binutils/3110: Cope with archives
2147 containing multiple target types. */
2148 if (force_output_target
|| !ok_object
)
2149 output_bfd
= bfd_openw (output_name
, output_target
);
2151 output_bfd
= bfd_openw (output_name
, bfd_get_target (this_element
));
2153 if (output_bfd
== NULL
)
2155 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2162 del
= !copy_object (this_element
, output_bfd
, input_arch
);
2164 if (del
&& bfd_get_arch (this_element
) == bfd_arch_unknown
)
2165 /* Try again as an unknown object file. */
2167 else if (!bfd_close (output_bfd
))
2169 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2170 /* Error in new object file. Don't change archive. */
2177 del
= !copy_unknown_object (this_element
, output_bfd
);
2178 if (!bfd_close_all_done (output_bfd
))
2180 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
2181 /* Error in new object file. Don't change archive. */
2188 unlink (output_name
);
2193 if (preserve_dates
&& stat_status
== 0)
2194 set_times (output_name
, &buf
);
2196 /* Open the newly output file and attach to our list. */
2197 output_bfd
= bfd_openr (output_name
, output_target
);
2199 l
->obfd
= output_bfd
;
2202 ptr
= &output_bfd
->archive_next
;
2204 last_element
= this_element
;
2206 this_element
= bfd_openr_next_archived_file (ibfd
, last_element
);
2208 bfd_close (last_element
);
2213 filename
= bfd_get_filename (obfd
);
2214 if (!bfd_close (obfd
))
2217 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
2221 filename
= bfd_get_filename (ibfd
);
2222 if (!bfd_close (ibfd
))
2225 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
2229 /* Delete all the files that we opened. */
2230 for (l
= list
; l
!= NULL
; l
= l
->next
)
2232 if (l
->obfd
== NULL
)
2236 bfd_close (l
->obfd
);
2244 set_long_section_mode (bfd
*output_bfd
, bfd
*input_bfd
, enum long_section_name_handling style
)
2246 /* This is only relevant to Coff targets. */
2247 if (bfd_get_flavour (output_bfd
) == bfd_target_coff_flavour
)
2250 && bfd_get_flavour (input_bfd
) == bfd_target_coff_flavour
)
2251 style
= bfd_coff_long_section_names (input_bfd
) ? ENABLE
: DISABLE
;
2252 bfd_coff_set_long_section_names (output_bfd
, style
!= DISABLE
);
2256 /* The top-level control. */
2259 copy_file (const char *input_filename
, const char *output_filename
,
2260 const char *input_target
, const char *output_target
,
2261 const bfd_arch_info_type
*input_arch
)
2264 char **obj_matching
;
2265 char **core_matching
;
2266 off_t size
= get_file_size (input_filename
);
2271 non_fatal (_("error: the input file '%s' is empty"),
2277 /* To allow us to do "strip *" without dying on the first
2278 non-object file, failures are nonfatal. */
2279 ibfd
= bfd_openr (input_filename
, input_target
);
2282 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2287 switch (do_debug_sections
)
2290 ibfd
->flags
|= BFD_COMPRESS
;
2293 ibfd
->flags
|= BFD_DECOMPRESS
;
2299 if (bfd_check_format (ibfd
, bfd_archive
))
2301 bfd_boolean force_output_target
;
2304 /* bfd_get_target does not return the correct value until
2305 bfd_check_format succeeds. */
2306 if (output_target
== NULL
)
2308 output_target
= bfd_get_target (ibfd
);
2309 force_output_target
= FALSE
;
2312 force_output_target
= TRUE
;
2314 obfd
= bfd_openw (output_filename
, output_target
);
2317 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2321 /* This is a no-op on non-Coff targets. */
2322 set_long_section_mode (obfd
, ibfd
, long_section_names
);
2324 copy_archive (ibfd
, obfd
, output_target
, force_output_target
, input_arch
);
2326 else if (bfd_check_format_matches (ibfd
, bfd_object
, &obj_matching
))
2331 /* bfd_get_target does not return the correct value until
2332 bfd_check_format succeeds. */
2333 if (output_target
== NULL
)
2334 output_target
= bfd_get_target (ibfd
);
2336 obfd
= bfd_openw (output_filename
, output_target
);
2339 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2343 /* This is a no-op on non-Coff targets. */
2344 set_long_section_mode (obfd
, ibfd
, long_section_names
);
2346 if (! copy_object (ibfd
, obfd
, input_arch
))
2349 if (!bfd_close (obfd
))
2352 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
2356 if (!bfd_close (ibfd
))
2359 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2365 bfd_error_type obj_error
= bfd_get_error ();
2366 bfd_error_type core_error
;
2368 if (bfd_check_format_matches (ibfd
, bfd_core
, &core_matching
))
2370 /* This probably can't happen.. */
2371 if (obj_error
== bfd_error_file_ambiguously_recognized
)
2372 free (obj_matching
);
2376 core_error
= bfd_get_error ();
2377 /* Report the object error in preference to the core error. */
2378 if (obj_error
!= core_error
)
2379 bfd_set_error (obj_error
);
2381 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
2383 if (obj_error
== bfd_error_file_ambiguously_recognized
)
2385 list_matching_formats (obj_matching
);
2386 free (obj_matching
);
2388 if (core_error
== bfd_error_file_ambiguously_recognized
)
2390 list_matching_formats (core_matching
);
2391 free (core_matching
);
2398 /* Add a name to the section renaming list. */
2401 add_section_rename (const char * old_name
, const char * new_name
,
2404 section_rename
* srename
;
2406 /* Check for conflicts first. */
2407 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
2408 if (strcmp (srename
->old_name
, old_name
) == 0)
2410 /* Silently ignore duplicate definitions. */
2411 if (strcmp (srename
->new_name
, new_name
) == 0
2412 && srename
->flags
== flags
)
2415 fatal (_("Multiple renames of section %s"), old_name
);
2418 srename
= (section_rename
*) xmalloc (sizeof (* srename
));
2420 srename
->old_name
= old_name
;
2421 srename
->new_name
= new_name
;
2422 srename
->flags
= flags
;
2423 srename
->next
= section_rename_list
;
2425 section_rename_list
= srename
;
2428 /* Check the section rename list for a new name of the input section
2429 ISECTION. Return the new name if one is found.
2430 Also set RETURNED_FLAGS to the flags to be used for this section. */
2433 find_section_rename (bfd
* ibfd ATTRIBUTE_UNUSED
, sec_ptr isection
,
2434 flagword
* returned_flags
)
2436 const char * old_name
= bfd_section_name (ibfd
, isection
);
2437 section_rename
* srename
;
2439 /* Default to using the flags of the input section. */
2440 * returned_flags
= bfd_get_section_flags (ibfd
, isection
);
2442 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
2443 if (strcmp (srename
->old_name
, old_name
) == 0)
2445 if (srename
->flags
!= (flagword
) -1)
2446 * returned_flags
= srename
->flags
;
2448 return srename
->new_name
;
2454 /* Once each of the sections is copied, we may still need to do some
2455 finalization work for private section headers. Do that here. */
2458 setup_bfd_headers (bfd
*ibfd
, bfd
*obfd
)
2460 /* Allow the BFD backend to copy any private data it understands
2461 from the input section to the output section. */
2462 if (! bfd_copy_private_header_data (ibfd
, obfd
))
2465 bfd_nonfatal_message (NULL
, ibfd
, NULL
,
2466 _("error in private header data"));
2470 /* All went well. */
2474 /* Create a section in OBFD with the same
2475 name and attributes as ISECTION in IBFD. */
2478 setup_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2480 bfd
*obfd
= (bfd
*) obfdarg
;
2481 struct section_list
*p
;
2489 char *prefix
= NULL
;
2490 bfd_boolean make_nobits
;
2492 if (is_strip_section (ibfd
, isection
))
2495 p
= find_section_list (bfd_section_name (ibfd
, isection
), FALSE
);
2499 /* Get the, possibly new, name of the output section. */
2500 name
= find_section_rename (ibfd
, isection
, & flags
);
2502 /* Prefix sections. */
2503 if ((prefix_alloc_sections_string
)
2504 && (bfd_get_section_flags (ibfd
, isection
) & SEC_ALLOC
))
2505 prefix
= prefix_alloc_sections_string
;
2506 else if (prefix_sections_string
)
2507 prefix
= prefix_sections_string
;
2513 n
= (char *) xmalloc (strlen (prefix
) + strlen (name
) + 1);
2519 make_nobits
= FALSE
;
2520 if (p
!= NULL
&& p
->set_flags
)
2521 flags
= p
->flags
| (flags
& (SEC_HAS_CONTENTS
| SEC_RELOC
));
2522 else if (strip_symbols
== STRIP_NONDEBUG
2523 && (flags
& (SEC_ALLOC
| SEC_GROUP
)) != 0
2524 && !(ibfd
->xvec
->flavour
== bfd_target_elf_flavour
2525 && elf_section_type (isection
) == SHT_NOTE
))
2527 flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
2528 if (obfd
->xvec
->flavour
== bfd_target_elf_flavour
)
2532 /* Twiddle the input section flags so that it seems to
2533 elf.c:copy_private_bfd_data that section flags have not
2534 changed between input and output sections. This hack
2535 prevents wholesale rewriting of the program headers. */
2536 isection
->flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
2540 osection
= bfd_make_section_anyway_with_flags (obfd
, name
, flags
);
2542 if (osection
== NULL
)
2544 err
= _("failed to create output section");
2549 elf_section_type (osection
) = SHT_NOBITS
;
2551 size
= bfd_section_size (ibfd
, isection
);
2553 size
= (size
+ interleave
- 1) / interleave
* copy_width
;
2554 else if (extract_symbol
)
2556 if (! bfd_set_section_size (obfd
, osection
, size
))
2558 err
= _("failed to set size");
2562 vma
= bfd_section_vma (ibfd
, isection
);
2563 if (p
!= NULL
&& p
->change_vma
== CHANGE_MODIFY
)
2565 else if (p
!= NULL
&& p
->change_vma
== CHANGE_SET
)
2568 vma
+= change_section_address
;
2570 if (! bfd_set_section_vma (obfd
, osection
, vma
))
2572 err
= _("failed to set vma");
2576 lma
= isection
->lma
;
2577 if ((p
!= NULL
) && p
->change_lma
!= CHANGE_IGNORE
)
2579 if (p
->change_lma
== CHANGE_MODIFY
)
2581 else if (p
->change_lma
== CHANGE_SET
)
2587 lma
+= change_section_address
;
2589 osection
->lma
= lma
;
2591 /* FIXME: This is probably not enough. If we change the LMA we
2592 may have to recompute the header for the file as well. */
2593 if (!bfd_set_section_alignment (obfd
,
2595 bfd_section_alignment (ibfd
, isection
)))
2597 err
= _("failed to set alignment");
2601 /* Copy merge entity size. */
2602 osection
->entsize
= isection
->entsize
;
2604 /* This used to be mangle_section; we do here to avoid using
2605 bfd_get_section_by_name since some formats allow multiple
2606 sections with the same name. */
2607 isection
->output_section
= osection
;
2608 isection
->output_offset
= 0;
2610 /* Do not copy backend data if --extract-symbol is passed; anything
2611 that needs to look at the section contents will fail. */
2615 if ((isection
->flags
& SEC_GROUP
) != 0)
2617 asymbol
*gsym
= group_signature (isection
);
2621 gsym
->flags
|= BSF_KEEP
;
2622 if (ibfd
->xvec
->flavour
== bfd_target_elf_flavour
)
2623 elf_group_id (isection
) = gsym
;
2627 /* Allow the BFD backend to copy any private data it understands
2628 from the input section to the output section. */
2629 if (!bfd_copy_private_section_data (ibfd
, isection
, obfd
, osection
))
2631 err
= _("failed to copy private data");
2635 /* All went well. */
2640 bfd_nonfatal_message (NULL
, obfd
, osection
, err
);
2643 /* Return TRUE if input section ISECTION should be skipped. */
2646 skip_section (bfd
*ibfd
, sec_ptr isection
)
2652 /* If we have already failed earlier on,
2653 do not keep on generating complaints now. */
2660 if (is_strip_section (ibfd
, isection
))
2663 flags
= bfd_get_section_flags (ibfd
, isection
);
2664 if ((flags
& SEC_GROUP
) != 0)
2667 osection
= isection
->output_section
;
2668 size
= bfd_get_section_size (isection
);
2670 if (size
== 0 || osection
== 0)
2676 /* Copy relocations in input section ISECTION of IBFD to an output
2677 section with the same name in OBFDARG. If stripping then don't
2678 copy any relocation info. */
2681 copy_relocations_in_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2683 bfd
*obfd
= (bfd
*) obfdarg
;
2689 if (skip_section (ibfd
, isection
))
2692 osection
= isection
->output_section
;
2694 /* Core files and DWO files do not need to be relocated. */
2695 if (bfd_get_format (obfd
) == bfd_core
|| strip_symbols
== STRIP_NONDWO
)
2699 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2703 /* Do not complain if the target does not support relocations. */
2704 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2709 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
2717 bfd_set_reloc (obfd
, osection
, NULL
, 0);
2718 osection
->flags
&= ~SEC_RELOC
;
2722 relpp
= (arelent
**) xmalloc (relsize
);
2723 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, isympp
);
2727 bfd_nonfatal_message (NULL
, ibfd
, isection
,
2728 _("relocation count is negative"));
2732 if (strip_symbols
== STRIP_ALL
)
2734 /* Remove relocations which are not in
2735 keep_strip_specific_list. */
2736 arelent
**temp_relpp
;
2737 long temp_relcount
= 0;
2740 temp_relpp
= (arelent
**) xmalloc (relsize
);
2741 for (i
= 0; i
< relcount
; i
++)
2742 if (is_specified_symbol (bfd_asymbol_name (*relpp
[i
]->sym_ptr_ptr
),
2743 keep_specific_htab
))
2744 temp_relpp
[temp_relcount
++] = relpp
[i
];
2745 relcount
= temp_relcount
;
2750 bfd_set_reloc (obfd
, osection
, relcount
== 0 ? NULL
: relpp
, relcount
);
2753 osection
->flags
&= ~SEC_RELOC
;
2759 /* Copy the data of input section ISECTION of IBFD
2760 to an output section with the same name in OBFD. */
2763 copy_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
2765 bfd
*obfd
= (bfd
*) obfdarg
;
2766 struct section_list
*p
;
2770 if (skip_section (ibfd
, isection
))
2773 osection
= isection
->output_section
;
2774 size
= bfd_get_section_size (isection
);
2776 p
= find_section_list (bfd_get_section_name (ibfd
, isection
), FALSE
);
2778 if (bfd_get_section_flags (ibfd
, isection
) & SEC_HAS_CONTENTS
2779 && bfd_get_section_flags (obfd
, osection
) & SEC_HAS_CONTENTS
)
2781 bfd_byte
*memhunk
= NULL
;
2783 if (!bfd_get_full_section_contents (ibfd
, isection
, &memhunk
))
2786 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
2792 /* We don't handle leftover bytes (too many possible behaviors,
2793 and we don't know what the user wants). The section length
2794 must be a multiple of the number of bytes to swap. */
2795 if ((size
% reverse_bytes
) == 0)
2800 for (i
= 0; i
< size
; i
+= reverse_bytes
)
2801 for (j
= 0; j
< (unsigned long)(reverse_bytes
/ 2); j
++)
2803 bfd_byte
*m
= (bfd_byte
*) memhunk
;
2806 m
[i
+ j
] = m
[(i
+ reverse_bytes
) - (j
+ 1)];
2807 m
[(i
+ reverse_bytes
) - (j
+ 1)] = b
;
2811 /* User must pad the section up in order to do this. */
2812 fatal (_("cannot reverse bytes: length of section %s must be evenly divisible by %d"),
2813 bfd_section_name (ibfd
, isection
), reverse_bytes
);
2818 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2819 char *from
= (char *) memhunk
+ copy_byte
;
2820 char *to
= (char *) memhunk
;
2821 char *end
= (char *) memhunk
+ size
;
2824 for (; from
< end
; from
+= interleave
)
2825 for (i
= 0; i
< copy_width
; i
++)
2828 size
= (size
+ interleave
- 1 - copy_byte
) / interleave
* copy_width
;
2829 osection
->lma
/= interleave
;
2832 if (!bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2835 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
2840 else if (p
!= NULL
&& p
->set_flags
&& (p
->flags
& SEC_HAS_CONTENTS
) != 0)
2842 void *memhunk
= xmalloc (size
);
2844 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2845 flag--they can just remove the section entirely and add it
2846 back again. However, we do permit them to turn on the
2847 SEC_HAS_CONTENTS flag, and take it to mean that the section
2848 contents should be zeroed out. */
2850 memset (memhunk
, 0, size
);
2851 if (! bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
2854 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
2861 /* Get all the sections. This is used when --gap-fill or --pad-to is
2865 get_sections (bfd
*obfd ATTRIBUTE_UNUSED
, asection
*osection
, void *secppparg
)
2867 asection
***secppp
= (asection
***) secppparg
;
2869 **secppp
= osection
;
2873 /* Sort sections by VMA. This is called via qsort, and is used when
2874 --gap-fill or --pad-to is used. We force non loadable or empty
2875 sections to the front, where they are easier to ignore. */
2878 compare_section_lma (const void *arg1
, const void *arg2
)
2880 const asection
*const *sec1
= (const asection
* const *) arg1
;
2881 const asection
*const *sec2
= (const asection
* const *) arg2
;
2882 flagword flags1
, flags2
;
2884 /* Sort non loadable sections to the front. */
2885 flags1
= (*sec1
)->flags
;
2886 flags2
= (*sec2
)->flags
;
2887 if ((flags1
& SEC_HAS_CONTENTS
) == 0
2888 || (flags1
& SEC_LOAD
) == 0)
2890 if ((flags2
& SEC_HAS_CONTENTS
) != 0
2891 && (flags2
& SEC_LOAD
) != 0)
2896 if ((flags2
& SEC_HAS_CONTENTS
) == 0
2897 || (flags2
& SEC_LOAD
) == 0)
2901 /* Sort sections by LMA. */
2902 if ((*sec1
)->lma
> (*sec2
)->lma
)
2904 else if ((*sec1
)->lma
< (*sec2
)->lma
)
2907 /* Sort sections with the same LMA by size. */
2908 if (bfd_get_section_size (*sec1
) > bfd_get_section_size (*sec2
))
2910 else if (bfd_get_section_size (*sec1
) < bfd_get_section_size (*sec2
))
2916 /* Mark all the symbols which will be used in output relocations with
2917 the BSF_KEEP flag so that those symbols will not be stripped.
2919 Ignore relocations which will not appear in the output file. */
2922 mark_symbols_used_in_relocations (bfd
*ibfd
, sec_ptr isection
, void *symbolsarg
)
2924 asymbol
**symbols
= (asymbol
**) symbolsarg
;
2929 /* Ignore an input section with no corresponding output section. */
2930 if (isection
->output_section
== NULL
)
2933 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
2936 /* Do not complain if the target does not support relocations. */
2937 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
2939 bfd_fatal (bfd_get_filename (ibfd
));
2945 relpp
= (arelent
**) xmalloc (relsize
);
2946 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, symbols
);
2948 bfd_fatal (bfd_get_filename (ibfd
));
2950 /* Examine each symbol used in a relocation. If it's not one of the
2951 special bfd section symbols, then mark it with BSF_KEEP. */
2952 for (i
= 0; i
< relcount
; i
++)
2954 if (*relpp
[i
]->sym_ptr_ptr
!= bfd_com_section_ptr
->symbol
2955 && *relpp
[i
]->sym_ptr_ptr
!= bfd_abs_section_ptr
->symbol
2956 && *relpp
[i
]->sym_ptr_ptr
!= bfd_und_section_ptr
->symbol
)
2957 (*relpp
[i
]->sym_ptr_ptr
)->flags
|= BSF_KEEP
;
2964 /* Write out debugging information. */
2967 write_debugging_info (bfd
*obfd
, void *dhandle
,
2968 long *symcountp ATTRIBUTE_UNUSED
,
2969 asymbol
***symppp ATTRIBUTE_UNUSED
)
2971 if (bfd_get_flavour (obfd
) == bfd_target_ieee_flavour
)
2972 return write_ieee_debugging_info (obfd
, dhandle
);
2974 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
2975 || bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
2977 bfd_byte
*syms
, *strings
;
2978 bfd_size_type symsize
, stringsize
;
2979 asection
*stabsec
, *stabstrsec
;
2982 if (! write_stabs_in_sections_debugging_info (obfd
, dhandle
, &syms
,
2987 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DEBUGGING
;
2988 stabsec
= bfd_make_section_with_flags (obfd
, ".stab", flags
);
2989 stabstrsec
= bfd_make_section_with_flags (obfd
, ".stabstr", flags
);
2991 || stabstrsec
== NULL
2992 || ! bfd_set_section_size (obfd
, stabsec
, symsize
)
2993 || ! bfd_set_section_size (obfd
, stabstrsec
, stringsize
)
2994 || ! bfd_set_section_alignment (obfd
, stabsec
, 2)
2995 || ! bfd_set_section_alignment (obfd
, stabstrsec
, 0))
2997 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2998 _("can't create debugging section"));
3002 /* We can get away with setting the section contents now because
3003 the next thing the caller is going to do is copy over the
3004 real sections. We may someday have to split the contents
3005 setting out of this function. */
3006 if (! bfd_set_section_contents (obfd
, stabsec
, syms
, 0, symsize
)
3007 || ! bfd_set_section_contents (obfd
, stabstrsec
, strings
, 0,
3010 bfd_nonfatal_message (NULL
, obfd
, NULL
,
3011 _("can't set debugging section contents"));
3018 bfd_nonfatal_message (NULL
, obfd
, NULL
,
3019 _("don't know how to write debugging information for %s"),
3020 bfd_get_target (obfd
));
3025 strip_main (int argc
, char *argv
[])
3027 char *input_target
= NULL
;
3028 char *output_target
= NULL
;
3029 bfd_boolean show_version
= FALSE
;
3030 bfd_boolean formats_info
= FALSE
;
3033 struct section_list
*p
;
3034 char *output_file
= NULL
;
3036 while ((c
= getopt_long (argc
, argv
, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
3037 strip_options
, (int *) 0)) != EOF
)
3042 input_target
= optarg
;
3045 output_target
= optarg
;
3048 input_target
= output_target
= optarg
;
3051 p
= find_section_list (optarg
, TRUE
);
3053 sections_removed
= TRUE
;
3056 strip_symbols
= STRIP_ALL
;
3060 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
3061 strip_symbols
= STRIP_DEBUG
;
3063 case OPTION_STRIP_DWO
:
3064 strip_symbols
= STRIP_DWO
;
3066 case OPTION_STRIP_UNNEEDED
:
3067 strip_symbols
= STRIP_UNNEEDED
;
3070 add_specific_symbol (optarg
, keep_specific_htab
);
3073 add_specific_symbol (optarg
, strip_specific_htab
);
3076 output_file
= optarg
;
3079 preserve_dates
= TRUE
;
3082 deterministic
= TRUE
;
3085 discard_locals
= LOCALS_ALL
;
3088 discard_locals
= LOCALS_START_L
;
3094 show_version
= TRUE
;
3096 case OPTION_FORMATS_INFO
:
3097 formats_info
= TRUE
;
3099 case OPTION_ONLY_KEEP_DEBUG
:
3100 strip_symbols
= STRIP_NONDEBUG
;
3102 case OPTION_KEEP_FILE_SYMBOLS
:
3103 keep_file_symbols
= 1;
3106 /* We've been given a long option. */
3113 strip_usage (stdout
, 0);
3115 strip_usage (stderr
, 1);
3126 print_version ("strip");
3128 /* Default is to strip all symbols. */
3129 if (strip_symbols
== STRIP_UNDEF
3130 && discard_locals
== LOCALS_UNDEF
3131 && htab_elements (strip_specific_htab
) == 0)
3132 strip_symbols
= STRIP_ALL
;
3134 if (output_target
== NULL
)
3135 output_target
= input_target
;
3139 || (output_file
!= NULL
&& (i
+ 1) < argc
))
3140 strip_usage (stderr
, 1);
3142 for (; i
< argc
; i
++)
3144 int hold_status
= status
;
3145 struct stat statbuf
;
3148 if (get_file_size (argv
[i
]) < 1)
3155 /* No need to check the return value of stat().
3156 It has already been checked in get_file_size(). */
3157 stat (argv
[i
], &statbuf
);
3159 if (output_file
== NULL
3160 || filename_cmp (argv
[i
], output_file
) == 0)
3161 tmpname
= make_tempname (argv
[i
]);
3163 tmpname
= output_file
;
3165 if (tmpname
== NULL
)
3167 bfd_nonfatal_message (argv
[i
], NULL
, NULL
,
3168 _("could not create temporary file to hold stripped copy"));
3174 copy_file (argv
[i
], tmpname
, input_target
, output_target
, NULL
);
3178 set_times (tmpname
, &statbuf
);
3179 if (output_file
!= tmpname
)
3180 status
= (smart_rename (tmpname
,
3181 output_file
? output_file
: argv
[i
],
3182 preserve_dates
) != 0);
3184 status
= hold_status
;
3187 unlink_if_ordinary (tmpname
);
3188 if (output_file
!= tmpname
)
3195 /* Set up PE subsystem. */
3198 set_pe_subsystem (const char *s
)
3200 const char *version
, *subsystem
;
3210 { "native", 0, IMAGE_SUBSYSTEM_NATIVE
},
3211 { "windows", 0, IMAGE_SUBSYSTEM_WINDOWS_GUI
},
3212 { "console", 0, IMAGE_SUBSYSTEM_WINDOWS_CUI
},
3213 { "posix", 0, IMAGE_SUBSYSTEM_POSIX_CUI
},
3214 { "wince", 0, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI
},
3215 { "efi-app", 1, IMAGE_SUBSYSTEM_EFI_APPLICATION
},
3216 { "efi-bsd", 1, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
},
3217 { "efi-rtd", 1, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
},
3218 { "sal-rtd", 1, IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER
},
3219 { "xbox", 0, IMAGE_SUBSYSTEM_XBOX
}
3225 /* Check for the presence of a version number. */
3226 version
= strchr (s
, ':');
3227 if (version
== NULL
)
3231 int len
= version
- s
;
3235 version
= copy
+ 1 + len
;
3236 pe_major_subsystem_version
= strtoul (version
, ©
, 0);
3238 pe_minor_subsystem_version
= strtoul (copy
+ 1, ©
, 0);
3240 non_fatal (_("%s: bad version in PE subsystem"), s
);
3243 /* Check for numeric subsystem. */
3244 value
= (short) strtol (subsystem
, ©
, 0);
3247 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
3248 if (v
[i
].value
== value
)
3250 pe_subsystem
= value
;
3251 set_def
= v
[i
].set_def
;
3257 /* Search for subsystem by name. */
3258 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
3259 if (strcmp (subsystem
, v
[i
].name
) == 0)
3261 pe_subsystem
= v
[i
].value
;
3262 set_def
= v
[i
].set_def
;
3270 fatal (_("unknown PE subsystem: %s"), s
);
3275 if (pe_file_alignment
== (bfd_vma
) -1)
3276 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
3277 if (pe_section_alignment
== (bfd_vma
) -1)
3278 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
3282 free ((char *) subsystem
);
3285 /* Convert EFI target to PEI target. */
3288 convert_efi_target (char *efi
)
3294 if (strcmp (efi
+ 4, "ia32") == 0)
3296 /* Change ia32 to i386. */
3301 else if (strcmp (efi
+ 4, "x86_64") == 0)
3303 /* Change x86_64 to x86-64. */
3309 copy_main (int argc
, char *argv
[])
3311 char *input_filename
= NULL
;
3312 char *output_filename
= NULL
;
3314 char *input_target
= NULL
;
3315 char *output_target
= NULL
;
3316 bfd_boolean show_version
= FALSE
;
3317 bfd_boolean change_warn
= TRUE
;
3318 bfd_boolean formats_info
= FALSE
;
3320 struct section_list
*p
;
3321 struct stat statbuf
;
3322 const bfd_arch_info_type
*input_arch
= NULL
;
3324 while ((c
= getopt_long (argc
, argv
, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
3325 copy_options
, (int *) 0)) != EOF
)
3330 copy_byte
= atoi (optarg
);
3332 fatal (_("byte number must be non-negative"));
3336 input_arch
= bfd_scan_arch (optarg
);
3337 if (input_arch
== NULL
)
3338 fatal (_("architecture %s unknown"), optarg
);
3344 interleave
= atoi (optarg
);
3346 fatal (_("interleave must be positive"));
3352 case OPTION_INTERLEAVE_WIDTH
:
3353 copy_width
= atoi (optarg
);
3355 fatal(_("interleave width must be positive"));
3359 case 's': /* "source" - 'I' is preferred */
3360 input_target
= optarg
;
3364 case 'd': /* "destination" - 'O' is preferred */
3365 output_target
= optarg
;
3369 input_target
= output_target
= optarg
;
3373 p
= find_section_list (optarg
, TRUE
);
3375 fatal (_("%s both copied and removed"), optarg
);
3377 sections_copied
= TRUE
;
3381 p
= find_section_list (optarg
, TRUE
);
3383 fatal (_("%s both copied and removed"), optarg
);
3385 sections_removed
= TRUE
;
3389 strip_symbols
= STRIP_ALL
;
3393 strip_symbols
= STRIP_DEBUG
;
3396 case OPTION_STRIP_DWO
:
3397 strip_symbols
= STRIP_DWO
;
3400 case OPTION_STRIP_UNNEEDED
:
3401 strip_symbols
= STRIP_UNNEEDED
;
3404 case OPTION_ONLY_KEEP_DEBUG
:
3405 strip_symbols
= STRIP_NONDEBUG
;
3408 case OPTION_KEEP_FILE_SYMBOLS
:
3409 keep_file_symbols
= 1;
3412 case OPTION_ADD_GNU_DEBUGLINK
:
3413 gnu_debuglink_filename
= optarg
;
3417 add_specific_symbol (optarg
, keep_specific_htab
);
3421 add_specific_symbol (optarg
, strip_specific_htab
);
3424 case OPTION_STRIP_UNNEEDED_SYMBOL
:
3425 add_specific_symbol (optarg
, strip_unneeded_htab
);
3429 add_specific_symbol (optarg
, localize_specific_htab
);
3432 case OPTION_GLOBALIZE_SYMBOL
:
3433 add_specific_symbol (optarg
, globalize_specific_htab
);
3437 add_specific_symbol (optarg
, keepglobal_specific_htab
);
3441 add_specific_symbol (optarg
, weaken_specific_htab
);
3445 preserve_dates
= TRUE
;
3449 deterministic
= TRUE
;
3457 discard_locals
= LOCALS_ALL
;
3461 discard_locals
= LOCALS_START_L
;
3469 show_version
= TRUE
;
3472 case OPTION_FORMATS_INFO
:
3473 formats_info
= TRUE
;
3480 case OPTION_ADD_SECTION
:
3484 struct section_add
*pa
;
3487 s
= strchr (optarg
, '=');
3490 fatal (_("bad format for %s"), "--add-section");
3492 pa
= (struct section_add
*) xmalloc (sizeof (struct section_add
));
3493 pa
->name
= xstrndup (optarg
, s
- optarg
);
3494 pa
->filename
= s
+ 1;
3496 /* We don't use get_file_size so that we can do
3497 --add-section .note.GNU_stack=/dev/null
3498 get_file_size doesn't work on /dev/null. */
3500 f
= fopen (pa
->filename
, FOPEN_RB
);
3502 fatal (_("cannot open: %s: %s"),
3503 pa
->filename
, strerror (errno
));
3507 pa
->contents
= (bfd_byte
*) xmalloc (alloc
);
3515 pa
->contents
= (bfd_byte
*) xrealloc (pa
->contents
, alloc
);
3518 got
= fread (pa
->contents
+ off
, 1, alloc
- off
, f
);
3520 fatal (_("%s: fread failed"), pa
->filename
);
3529 pa
->next
= add_sections
;
3534 case OPTION_CHANGE_START
:
3535 change_start
= parse_vma (optarg
, "--change-start");
3538 case OPTION_CHANGE_SECTION_ADDRESS
:
3539 case OPTION_CHANGE_SECTION_LMA
:
3540 case OPTION_CHANGE_SECTION_VMA
:
3545 char *option
= NULL
;
3547 enum change_action what
= CHANGE_IGNORE
;
3551 case OPTION_CHANGE_SECTION_ADDRESS
:
3552 option
= "--change-section-address";
3554 case OPTION_CHANGE_SECTION_LMA
:
3555 option
= "--change-section-lma";
3557 case OPTION_CHANGE_SECTION_VMA
:
3558 option
= "--change-section-vma";
3562 s
= strchr (optarg
, '=');
3565 s
= strchr (optarg
, '+');
3568 s
= strchr (optarg
, '-');
3570 fatal (_("bad format for %s"), option
);
3575 name
= (char *) xmalloc (len
+ 1);
3576 strncpy (name
, optarg
, len
);
3579 p
= find_section_list (name
, TRUE
);
3581 val
= parse_vma (s
+ 1, option
);
3585 case '=': what
= CHANGE_SET
; break;
3586 case '-': val
= - val
; /* Drop through. */
3587 case '+': what
= CHANGE_MODIFY
; break;
3592 case OPTION_CHANGE_SECTION_ADDRESS
:
3593 p
->change_vma
= what
;
3597 case OPTION_CHANGE_SECTION_LMA
:
3598 p
->change_lma
= what
;
3602 case OPTION_CHANGE_SECTION_VMA
:
3603 p
->change_vma
= what
;
3610 case OPTION_CHANGE_ADDRESSES
:
3611 change_section_address
= parse_vma (optarg
, "--change-addresses");
3612 change_start
= change_section_address
;
3615 case OPTION_CHANGE_WARNINGS
:
3619 case OPTION_CHANGE_LEADING_CHAR
:
3620 change_leading_char
= TRUE
;
3623 case OPTION_COMPRESS_DEBUG_SECTIONS
:
3624 do_debug_sections
= compress
;
3627 case OPTION_DEBUGGING
:
3628 convert_debugging
= TRUE
;
3631 case OPTION_DECOMPRESS_DEBUG_SECTIONS
:
3632 do_debug_sections
= decompress
;
3635 case OPTION_GAP_FILL
:
3637 bfd_vma gap_fill_vma
;
3639 gap_fill_vma
= parse_vma (optarg
, "--gap-fill");
3640 gap_fill
= (bfd_byte
) gap_fill_vma
;
3641 if ((bfd_vma
) gap_fill
!= gap_fill_vma
)
3645 sprintf_vma (buff
, gap_fill_vma
);
3647 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
3650 gap_fill_set
= TRUE
;
3654 case OPTION_NO_CHANGE_WARNINGS
:
3655 change_warn
= FALSE
;
3659 pad_to
= parse_vma (optarg
, "--pad-to");
3663 case OPTION_REMOVE_LEADING_CHAR
:
3664 remove_leading_char
= TRUE
;
3667 case OPTION_REDEFINE_SYM
:
3669 /* Push this redefinition onto redefine_symbol_list. */
3673 const char *nextarg
;
3674 char *source
, *target
;
3676 s
= strchr (optarg
, '=');
3678 fatal (_("bad format for %s"), "--redefine-sym");
3681 source
= (char *) xmalloc (len
+ 1);
3682 strncpy (source
, optarg
, len
);
3686 len
= strlen (nextarg
);
3687 target
= (char *) xmalloc (len
+ 1);
3688 strcpy (target
, nextarg
);
3690 redefine_list_append ("--redefine-sym", source
, target
);
3697 case OPTION_REDEFINE_SYMS
:
3698 add_redefine_syms_file (optarg
);
3701 case OPTION_SET_SECTION_FLAGS
:
3707 s
= strchr (optarg
, '=');
3709 fatal (_("bad format for %s"), "--set-section-flags");
3712 name
= (char *) xmalloc (len
+ 1);
3713 strncpy (name
, optarg
, len
);
3716 p
= find_section_list (name
, TRUE
);
3718 p
->set_flags
= TRUE
;
3719 p
->flags
= parse_flags (s
+ 1);
3723 case OPTION_RENAME_SECTION
:
3726 const char *eq
, *fl
;
3731 eq
= strchr (optarg
, '=');
3733 fatal (_("bad format for %s"), "--rename-section");
3737 fatal (_("bad format for %s"), "--rename-section");
3739 old_name
= (char *) xmalloc (len
+ 1);
3740 strncpy (old_name
, optarg
, len
);
3744 fl
= strchr (eq
, ',');
3747 flags
= parse_flags (fl
+ 1);
3757 fatal (_("bad format for %s"), "--rename-section");
3759 new_name
= (char *) xmalloc (len
+ 1);
3760 strncpy (new_name
, eq
, len
);
3763 add_section_rename (old_name
, new_name
, flags
);
3767 case OPTION_SET_START
:
3768 set_start
= parse_vma (optarg
, "--set-start");
3769 set_start_set
= TRUE
;
3772 case OPTION_SREC_LEN
:
3773 Chunk
= parse_vma (optarg
, "--srec-len");
3776 case OPTION_SREC_FORCES3
:
3780 case OPTION_STRIP_SYMBOLS
:
3781 add_specific_symbols (optarg
, strip_specific_htab
);
3784 case OPTION_STRIP_UNNEEDED_SYMBOLS
:
3785 add_specific_symbols (optarg
, strip_unneeded_htab
);
3788 case OPTION_KEEP_SYMBOLS
:
3789 add_specific_symbols (optarg
, keep_specific_htab
);
3792 case OPTION_LOCALIZE_HIDDEN
:
3793 localize_hidden
= TRUE
;
3796 case OPTION_LOCALIZE_SYMBOLS
:
3797 add_specific_symbols (optarg
, localize_specific_htab
);
3800 case OPTION_LONG_SECTION_NAMES
:
3801 if (!strcmp ("enable", optarg
))
3802 long_section_names
= ENABLE
;
3803 else if (!strcmp ("disable", optarg
))
3804 long_section_names
= DISABLE
;
3805 else if (!strcmp ("keep", optarg
))
3806 long_section_names
= KEEP
;
3808 fatal (_("unknown long section names option '%s'"), optarg
);
3811 case OPTION_GLOBALIZE_SYMBOLS
:
3812 add_specific_symbols (optarg
, globalize_specific_htab
);
3815 case OPTION_KEEPGLOBAL_SYMBOLS
:
3816 add_specific_symbols (optarg
, keepglobal_specific_htab
);
3819 case OPTION_WEAKEN_SYMBOLS
:
3820 add_specific_symbols (optarg
, weaken_specific_htab
);
3823 case OPTION_ALT_MACH_CODE
:
3824 use_alt_mach_code
= strtoul (optarg
, NULL
, 0);
3825 if (use_alt_mach_code
== 0)
3826 fatal (_("unable to parse alternative machine code"));
3829 case OPTION_PREFIX_SYMBOLS
:
3830 prefix_symbols_string
= optarg
;
3833 case OPTION_PREFIX_SECTIONS
:
3834 prefix_sections_string
= optarg
;
3837 case OPTION_PREFIX_ALLOC_SECTIONS
:
3838 prefix_alloc_sections_string
= optarg
;
3841 case OPTION_READONLY_TEXT
:
3842 bfd_flags_to_set
|= WP_TEXT
;
3843 bfd_flags_to_clear
&= ~WP_TEXT
;
3846 case OPTION_WRITABLE_TEXT
:
3847 bfd_flags_to_clear
|= WP_TEXT
;
3848 bfd_flags_to_set
&= ~WP_TEXT
;
3852 bfd_flags_to_set
|= D_PAGED
;
3853 bfd_flags_to_clear
&= ~D_PAGED
;
3857 bfd_flags_to_clear
|= D_PAGED
;
3858 bfd_flags_to_set
&= ~D_PAGED
;
3861 case OPTION_EXTRACT_DWO
:
3862 strip_symbols
= STRIP_NONDWO
;
3865 case OPTION_EXTRACT_SYMBOL
:
3866 extract_symbol
= TRUE
;
3869 case OPTION_REVERSE_BYTES
:
3871 int prev
= reverse_bytes
;
3873 reverse_bytes
= atoi (optarg
);
3874 if ((reverse_bytes
<= 0) || ((reverse_bytes
% 2) != 0))
3875 fatal (_("number of bytes to reverse must be positive and even"));
3877 if (prev
&& prev
!= reverse_bytes
)
3878 non_fatal (_("Warning: ignoring previous --reverse-bytes value of %d"),
3883 case OPTION_FILE_ALIGNMENT
:
3884 pe_file_alignment
= parse_vma (optarg
, "--file-alignment");
3890 pe_heap_reserve
= strtoul (optarg
, &end
, 0);
3892 || (*end
!= '.' && *end
!= '\0'))
3893 non_fatal (_("%s: invalid reserve value for --heap"),
3895 else if (*end
!= '\0')
3897 pe_heap_commit
= strtoul (end
+ 1, &end
, 0);
3899 non_fatal (_("%s: invalid commit value for --heap"),
3905 case OPTION_IMAGE_BASE
:
3906 pe_image_base
= parse_vma (optarg
, "--image-base");
3909 case OPTION_SECTION_ALIGNMENT
:
3910 pe_section_alignment
= parse_vma (optarg
,
3911 "--section-alignment");
3914 case OPTION_SUBSYSTEM
:
3915 set_pe_subsystem (optarg
);
3921 pe_stack_reserve
= strtoul (optarg
, &end
, 0);
3923 || (*end
!= '.' && *end
!= '\0'))
3924 non_fatal (_("%s: invalid reserve value for --stack"),
3926 else if (*end
!= '\0')
3928 pe_stack_commit
= strtoul (end
+ 1, &end
, 0);
3930 non_fatal (_("%s: invalid commit value for --stack"),
3937 /* We've been given a long option. */
3942 copy_usage (stdout
, 0);
3945 copy_usage (stderr
, 1);
3956 print_version ("objcopy");
3958 if (interleave
&& copy_byte
== -1)
3959 fatal (_("interleave start byte must be set with --byte"));
3961 if (copy_byte
>= interleave
)
3962 fatal (_("byte number must be less than interleave"));
3964 if (copy_width
> interleave
- copy_byte
)
3965 fatal (_("interleave width must be less than or equal to interleave - byte`"));
3967 if (optind
== argc
|| optind
+ 2 < argc
)
3968 copy_usage (stderr
, 1);
3970 input_filename
= argv
[optind
];
3971 if (optind
+ 1 < argc
)
3972 output_filename
= argv
[optind
+ 1];
3974 /* Default is to strip no symbols. */
3975 if (strip_symbols
== STRIP_UNDEF
&& discard_locals
== LOCALS_UNDEF
)
3976 strip_symbols
= STRIP_NONE
;
3978 if (output_target
== NULL
)
3979 output_target
= input_target
;
3981 /* Convert input EFI target to PEI target. */
3982 if (input_target
!= NULL
3983 && strncmp (input_target
, "efi-", 4) == 0)
3987 efi
= xstrdup (output_target
+ 4);
3988 if (strncmp (efi
, "bsdrv-", 6) == 0
3989 || strncmp (efi
, "rtdrv-", 6) == 0)
3991 else if (strncmp (efi
, "app-", 4) != 0)
3992 fatal (_("unknown input EFI target: %s"), input_target
);
3995 convert_efi_target (efi
);
3998 /* Convert output EFI target to PEI target. */
3999 if (output_target
!= NULL
4000 && strncmp (output_target
, "efi-", 4) == 0)
4004 efi
= xstrdup (output_target
+ 4);
4005 if (strncmp (efi
, "app-", 4) == 0)
4007 if (pe_subsystem
== -1)
4008 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_APPLICATION
;
4010 else if (strncmp (efi
, "bsdrv-", 6) == 0)
4012 if (pe_subsystem
== -1)
4013 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
4016 else if (strncmp (efi
, "rtdrv-", 6) == 0)
4018 if (pe_subsystem
== -1)
4019 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
;
4023 fatal (_("unknown output EFI target: %s"), output_target
);
4025 if (pe_file_alignment
== (bfd_vma
) -1)
4026 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
4027 if (pe_section_alignment
== (bfd_vma
) -1)
4028 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
4030 output_target
= efi
;
4031 convert_efi_target (efi
);
4035 if (stat (input_filename
, & statbuf
) < 0)
4036 fatal (_("warning: could not locate '%s'. System error message: %s"),
4037 input_filename
, strerror (errno
));
4039 /* If there is no destination file, or the source and destination files
4040 are the same, then create a temp and rename the result into the input. */
4041 if (output_filename
== NULL
4042 || filename_cmp (input_filename
, output_filename
) == 0)
4043 tmpname
= make_tempname (input_filename
);
4045 tmpname
= output_filename
;
4047 if (tmpname
== NULL
)
4048 fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
4049 input_filename
, strerror (errno
));
4051 copy_file (input_filename
, tmpname
, input_target
, output_target
, input_arch
);
4055 set_times (tmpname
, &statbuf
);
4056 if (tmpname
!= output_filename
)
4057 status
= (smart_rename (tmpname
, input_filename
,
4058 preserve_dates
) != 0);
4061 unlink_if_ordinary (tmpname
);
4065 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
4069 if (p
->change_vma
!= CHANGE_IGNORE
)
4073 sprintf_vma (buff
, p
->vma_val
);
4075 /* xgettext:c-format */
4076 non_fatal (_("%s %s%c0x%s never used"),
4077 "--change-section-vma",
4079 p
->change_vma
== CHANGE_SET
? '=' : '+',
4083 if (p
->change_lma
!= CHANGE_IGNORE
)
4087 sprintf_vma (buff
, p
->lma_val
);
4089 /* xgettext:c-format */
4090 non_fatal (_("%s %s%c0x%s never used"),
4091 "--change-section-lma",
4093 p
->change_lma
== CHANGE_SET
? '=' : '+',
4104 main (int argc
, char *argv
[])
4106 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
4107 setlocale (LC_MESSAGES
, "");
4109 #if defined (HAVE_SETLOCALE)
4110 setlocale (LC_CTYPE
, "");
4112 bindtextdomain (PACKAGE
, LOCALEDIR
);
4113 textdomain (PACKAGE
);
4115 program_name
= argv
[0];
4116 xmalloc_set_program_name (program_name
);
4118 START_PROGRESS (program_name
, 0);
4120 expandargv (&argc
, &argv
);
4122 strip_symbols
= STRIP_UNDEF
;
4123 discard_locals
= LOCALS_UNDEF
;
4126 set_default_bfd_target ();
4130 int i
= strlen (program_name
);
4131 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
4132 /* Drop the .exe suffix, if any. */
4133 if (i
> 4 && FILENAME_CMP (program_name
+ i
- 4, ".exe") == 0)
4136 program_name
[i
] = '\0';
4139 is_strip
= (i
>= 5 && FILENAME_CMP (program_name
+ i
- 5, "strip") == 0);
4142 create_symbol_htabs ();
4145 strip_main (argc
, argv
);
4147 copy_main (argc
, argv
);
4149 END_PROGRESS (program_name
);