1 /* objcopy.c -- copy object file from input to output, optionally massaging it.
2 Copyright (C) 1991-2021 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
25 #include "libiberty.h"
28 #include "filenames.h"
31 #include "coff/internal.h"
33 #include "safe-ctype.h"
35 /* FIXME: See bfd/peXXigen.c for why we include an architecture specific
36 header in generic PE code. */
37 #include "coff/i386.h"
40 static bfd_vma pe_file_alignment
= (bfd_vma
) -1;
41 static bfd_vma pe_heap_commit
= (bfd_vma
) -1;
42 static bfd_vma pe_heap_reserve
= (bfd_vma
) -1;
43 static bfd_vma pe_image_base
= (bfd_vma
) -1;
44 static bfd_vma pe_section_alignment
= (bfd_vma
) -1;
45 static bfd_vma pe_stack_commit
= (bfd_vma
) -1;
46 static bfd_vma pe_stack_reserve
= (bfd_vma
) -1;
47 static short pe_subsystem
= -1;
48 static short pe_major_subsystem_version
= -1;
49 static short pe_minor_subsystem_version
= -1;
51 struct is_specified_symbol_predicate_data
57 /* A node includes symbol name mapping to support redefine_sym. */
66 struct addsym_node
*next
;
71 const char * othersym
;
74 typedef struct section_rename
76 const char * old_name
;
77 const char * new_name
;
79 struct section_rename
* next
;
83 /* List of sections to be renamed. */
84 static section_rename
*section_rename_list
;
86 static asymbol
**isympp
= NULL
; /* Input symbols. */
87 static asymbol
**osympp
= NULL
; /* Output symbols that survive stripping. */
89 /* If `copy_byte' >= 0, copy 'copy_width' byte(s) of every `interleave' bytes. */
90 static int copy_byte
= -1;
91 static int interleave
= 0; /* Initialised to 4 in copy_main(). */
92 static int copy_width
= 1;
94 static bfd_boolean verbose
; /* Print file and target names. */
95 static bfd_boolean preserve_dates
; /* Preserve input file timestamp. */
96 static int deterministic
= -1; /* Enable deterministic archives. */
97 static int status
= 0; /* Exit status. */
99 static bfd_boolean merge_notes
= FALSE
; /* Merge note sections. */
101 typedef struct merged_note_section
103 asection
* sec
; /* The section that is being merged. */
104 bfd_byte
* contents
;/* New contents of the section. */
105 bfd_size_type size
; /* New size of the section. */
106 struct merged_note_section
* next
; /* Link to next merged note section. */
107 } merged_note_section
;
112 STRIP_NONE
, /* Don't strip. */
113 STRIP_DEBUG
, /* Strip all debugger symbols. */
114 STRIP_UNNEEDED
, /* Strip unnecessary symbols. */
115 STRIP_NONDEBUG
, /* Strip everything but debug info. */
116 STRIP_DWO
, /* Strip all DWO info. */
117 STRIP_NONDWO
, /* Strip everything but DWO info. */
118 STRIP_ALL
/* Strip all symbols. */
121 /* Which symbols to remove. */
122 static enum strip_action strip_symbols
= STRIP_UNDEF
;
127 LOCALS_START_L
, /* Discard locals starting with L. */
128 LOCALS_ALL
/* Discard all locals. */
131 /* Which local symbols to remove. Overrides STRIP_ALL. */
132 static enum locals_action discard_locals
;
134 /* Structure used to hold lists of sections and actions to take. */
137 struct section_list
* next
; /* Next section to change. */
138 const char * pattern
; /* Section name pattern. */
139 bfd_boolean used
; /* Whether this entry was used. */
141 unsigned int context
; /* What to do with matching sections. */
142 /* Flag bits used in the context field.
143 COPY and REMOVE are mutually exlusive. SET and ALTER are mutually exclusive. */
144 #define SECTION_CONTEXT_REMOVE (1 << 0) /* Remove this section. */
145 #define SECTION_CONTEXT_COPY (1 << 1) /* Copy this section, delete all non-copied section. */
146 #define SECTION_CONTEXT_KEEP (1 << 2) /* Keep this section. */
147 #define SECTION_CONTEXT_SET_VMA (1 << 3) /* Set the sections' VMA address. */
148 #define SECTION_CONTEXT_ALTER_VMA (1 << 4) /* Increment or decrement the section's VMA address. */
149 #define SECTION_CONTEXT_SET_LMA (1 << 5) /* Set the sections' LMA address. */
150 #define SECTION_CONTEXT_ALTER_LMA (1 << 6) /* Increment or decrement the section's LMA address. */
151 #define SECTION_CONTEXT_SET_FLAGS (1 << 7) /* Set the section's flags. */
152 #define SECTION_CONTEXT_REMOVE_RELOCS (1 << 8) /* Remove relocations for this section. */
153 #define SECTION_CONTEXT_SET_ALIGNMENT (1 << 9) /* Set alignment for section. */
155 bfd_vma vma_val
; /* Amount to change by or set to. */
156 bfd_vma lma_val
; /* Amount to change by or set to. */
157 flagword flags
; /* What to set the section flags to. */
158 unsigned int alignment
; /* Alignment of output section. */
161 static struct section_list
*change_sections
;
163 /* TRUE if some sections are to be removed. */
164 static bfd_boolean sections_removed
;
166 /* TRUE if only some sections are to be copied. */
167 static bfd_boolean sections_copied
;
169 /* Changes to the start address. */
170 static bfd_vma change_start
= 0;
171 static bfd_boolean set_start_set
= FALSE
;
172 static bfd_vma set_start
;
174 /* Changes to section addresses. */
175 static bfd_vma change_section_address
= 0;
177 /* Filling gaps between sections. */
178 static bfd_boolean gap_fill_set
= FALSE
;
179 static bfd_byte gap_fill
= 0;
181 /* Pad to a given address. */
182 static bfd_boolean pad_to_set
= FALSE
;
183 static bfd_vma pad_to
;
185 /* Use alternative machine code? */
186 static unsigned long use_alt_mach_code
= 0;
188 /* Output BFD flags user wants to set or clear */
189 static flagword bfd_flags_to_set
;
190 static flagword bfd_flags_to_clear
;
192 /* List of sections to add. */
195 /* Next section to add. */
196 struct section_add
*next
;
197 /* Name of section to add. */
199 /* Name of file holding section contents. */
200 const char *filename
;
203 /* Contents of file. */
205 /* BFD section, after it has been added. */
209 /* List of sections to add to the output BFD. */
210 static struct section_add
*add_sections
;
212 /* List of sections to update in the output BFD. */
213 static struct section_add
*update_sections
;
215 /* List of sections to dump from the output BFD. */
216 static struct section_add
*dump_sections
;
218 /* If non-NULL the argument to --add-gnu-debuglink.
219 This should be the filename to store in the .gnu_debuglink section. */
220 static const char * gnu_debuglink_filename
= NULL
;
222 /* Whether to convert debugging information. */
223 static bfd_boolean convert_debugging
= FALSE
;
225 /* Whether to compress/decompress DWARF debug sections. */
230 compress_zlib
= compress
| 1 << 1,
231 compress_gnu_zlib
= compress
| 1 << 2,
232 compress_gabi_zlib
= compress
| 1 << 3,
234 } do_debug_sections
= nothing
;
236 /* Whether to generate ELF common symbols with the STT_COMMON type. */
237 static enum bfd_link_elf_stt_common do_elf_stt_common
= unchanged
;
239 /* Whether to change the leading character in symbol names. */
240 static bfd_boolean change_leading_char
= FALSE
;
242 /* Whether to remove the leading character from global symbol names. */
243 static bfd_boolean remove_leading_char
= FALSE
;
245 /* Whether to permit wildcard in symbol comparison. */
246 static bfd_boolean wildcard
= FALSE
;
248 /* True if --localize-hidden is in effect. */
249 static bfd_boolean localize_hidden
= FALSE
;
251 /* List of symbols to strip, keep, localize, keep-global, weaken,
253 static htab_t strip_specific_htab
= NULL
;
254 static htab_t strip_unneeded_htab
= NULL
;
255 static htab_t keep_specific_htab
= NULL
;
256 static htab_t localize_specific_htab
= NULL
;
257 static htab_t globalize_specific_htab
= NULL
;
258 static htab_t keepglobal_specific_htab
= NULL
;
259 static htab_t weaken_specific_htab
= NULL
;
260 static htab_t redefine_specific_htab
= NULL
;
261 static htab_t redefine_specific_reverse_htab
= NULL
;
262 static struct addsym_node
*add_sym_list
= NULL
, **add_sym_tail
= &add_sym_list
;
263 static int add_symbols
= 0;
265 static char *strip_specific_buffer
= NULL
;
266 static char *strip_unneeded_buffer
= NULL
;
267 static char *keep_specific_buffer
= NULL
;
268 static char *localize_specific_buffer
= NULL
;
269 static char *globalize_specific_buffer
= NULL
;
270 static char *keepglobal_specific_buffer
= NULL
;
271 static char *weaken_specific_buffer
= NULL
;
273 /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
274 static bfd_boolean weaken
= FALSE
;
276 /* If this is TRUE, we retain BSF_FILE symbols. */
277 static bfd_boolean keep_file_symbols
= FALSE
;
279 /* Prefix symbols/sections. */
280 static char *prefix_symbols_string
= 0;
281 static char *prefix_sections_string
= 0;
282 static char *prefix_alloc_sections_string
= 0;
284 /* True if --extract-symbol was passed on the command line. */
285 static bfd_boolean extract_symbol
= FALSE
;
287 /* If `reverse_bytes' is nonzero, then reverse the order of every chunk
288 of <reverse_bytes> bytes within each output section. */
289 static int reverse_bytes
= 0;
291 /* For Coff objects, we may want to allow or disallow long section names,
292 or preserve them where found in the inputs. Debug info relies on them. */
293 enum long_section_name_handling
300 /* The default long section handling mode is to preserve them.
301 This is also the only behaviour for 'strip'. */
302 static enum long_section_name_handling long_section_names
= KEEP
;
304 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
305 enum command_line_switch
307 OPTION_ADD_SECTION
=150,
308 OPTION_ADD_GNU_DEBUGLINK
,
310 OPTION_ALT_MACH_CODE
,
311 OPTION_CHANGE_ADDRESSES
,
312 OPTION_CHANGE_LEADING_CHAR
,
313 OPTION_CHANGE_SECTION_ADDRESS
,
314 OPTION_CHANGE_SECTION_LMA
,
315 OPTION_CHANGE_SECTION_VMA
,
317 OPTION_CHANGE_WARNINGS
,
318 OPTION_COMPRESS_DEBUG_SECTIONS
,
320 OPTION_DECOMPRESS_DEBUG_SECTIONS
,
322 OPTION_ELF_STT_COMMON
,
324 OPTION_EXTRACT_SYMBOL
,
325 OPTION_FILE_ALIGNMENT
,
328 OPTION_GLOBALIZE_SYMBOL
,
329 OPTION_GLOBALIZE_SYMBOLS
,
333 OPTION_INTERLEAVE_WIDTH
,
334 OPTION_KEEPGLOBAL_SYMBOLS
,
335 OPTION_KEEP_FILE_SYMBOLS
,
338 OPTION_LOCALIZE_HIDDEN
,
339 OPTION_LOCALIZE_SYMBOLS
,
340 OPTION_LONG_SECTION_NAMES
,
342 OPTION_NO_MERGE_NOTES
,
343 OPTION_NO_CHANGE_WARNINGS
,
344 OPTION_ONLY_KEEP_DEBUG
,
346 OPTION_PREFIX_ALLOC_SECTIONS
,
347 OPTION_PREFIX_SECTIONS
,
348 OPTION_PREFIX_SYMBOLS
,
350 OPTION_READONLY_TEXT
,
352 OPTION_REDEFINE_SYMS
,
353 OPTION_REMOVE_LEADING_CHAR
,
354 OPTION_REMOVE_RELOCS
,
355 OPTION_RENAME_SECTION
,
356 OPTION_REVERSE_BYTES
,
357 OPTION_PE_SECTION_ALIGNMENT
,
358 OPTION_SET_SECTION_FLAGS
,
359 OPTION_SET_SECTION_ALIGNMENT
,
365 OPTION_STRIP_SYMBOLS
,
366 OPTION_STRIP_UNNEEDED
,
367 OPTION_STRIP_UNNEEDED_SYMBOL
,
368 OPTION_STRIP_UNNEEDED_SYMBOLS
,
370 OPTION_UPDATE_SECTION
,
371 OPTION_VERILOG_DATA_WIDTH
,
373 OPTION_WEAKEN_SYMBOLS
,
377 /* Options to handle if running as "strip". */
379 static struct option strip_options
[] =
381 {"disable-deterministic-archives", no_argument
, 0, 'U'},
382 {"discard-all", no_argument
, 0, 'x'},
383 {"discard-locals", no_argument
, 0, 'X'},
384 {"enable-deterministic-archives", no_argument
, 0, 'D'},
385 {"format", required_argument
, 0, 'F'}, /* Obsolete */
386 {"help", no_argument
, 0, 'h'},
387 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
388 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
389 {"input-target", required_argument
, 0, 'I'},
390 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
391 {"keep-section", required_argument
, 0, OPTION_KEEP_SECTION
},
392 {"keep-symbol", required_argument
, 0, 'K'},
393 {"merge-notes", no_argument
, 0, 'M'},
394 {"no-merge-notes", no_argument
, 0, OPTION_NO_MERGE_NOTES
},
395 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
396 {"output-file", required_argument
, 0, 'o'},
397 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
398 {"output-target", required_argument
, 0, 'O'},
399 {"preserve-dates", no_argument
, 0, 'p'},
400 {"remove-section", required_argument
, 0, 'R'},
401 {"remove-relocations", required_argument
, 0, OPTION_REMOVE_RELOCS
},
402 {"strip-all", no_argument
, 0, 's'},
403 {"strip-debug", no_argument
, 0, 'S'},
404 {"strip-dwo", no_argument
, 0, OPTION_STRIP_DWO
},
405 {"strip-symbol", required_argument
, 0, 'N'},
406 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
407 {"target", required_argument
, 0, 'F'},
408 {"verbose", no_argument
, 0, 'v'},
409 {"version", no_argument
, 0, 'V'},
410 {"wildcard", no_argument
, 0, 'w'},
411 {0, no_argument
, 0, 0}
414 /* Options to handle if running as "objcopy". */
416 static struct option copy_options
[] =
418 {"add-gnu-debuglink", required_argument
, 0, OPTION_ADD_GNU_DEBUGLINK
},
419 {"add-section", required_argument
, 0, OPTION_ADD_SECTION
},
420 {"add-symbol", required_argument
, 0, OPTION_ADD_SYMBOL
},
421 {"adjust-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
422 {"adjust-start", required_argument
, 0, OPTION_CHANGE_START
},
423 {"adjust-vma", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
424 {"adjust-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
425 {"alt-machine-code", required_argument
, 0, OPTION_ALT_MACH_CODE
},
426 {"binary-architecture", required_argument
, 0, 'B'},
427 {"byte", required_argument
, 0, 'b'},
428 {"change-addresses", required_argument
, 0, OPTION_CHANGE_ADDRESSES
},
429 {"change-leading-char", no_argument
, 0, OPTION_CHANGE_LEADING_CHAR
},
430 {"change-section-address", required_argument
, 0, OPTION_CHANGE_SECTION_ADDRESS
},
431 {"change-section-lma", required_argument
, 0, OPTION_CHANGE_SECTION_LMA
},
432 {"change-section-vma", required_argument
, 0, OPTION_CHANGE_SECTION_VMA
},
433 {"change-start", required_argument
, 0, OPTION_CHANGE_START
},
434 {"change-warnings", no_argument
, 0, OPTION_CHANGE_WARNINGS
},
435 {"compress-debug-sections", optional_argument
, 0, OPTION_COMPRESS_DEBUG_SECTIONS
},
436 {"debugging", no_argument
, 0, OPTION_DEBUGGING
},
437 {"decompress-debug-sections", no_argument
, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS
},
438 {"disable-deterministic-archives", no_argument
, 0, 'U'},
439 {"discard-all", no_argument
, 0, 'x'},
440 {"discard-locals", no_argument
, 0, 'X'},
441 {"dump-section", required_argument
, 0, OPTION_DUMP_SECTION
},
442 {"elf-stt-common", required_argument
, 0, OPTION_ELF_STT_COMMON
},
443 {"enable-deterministic-archives", no_argument
, 0, 'D'},
444 {"extract-dwo", no_argument
, 0, OPTION_EXTRACT_DWO
},
445 {"extract-symbol", no_argument
, 0, OPTION_EXTRACT_SYMBOL
},
446 {"file-alignment", required_argument
, 0, OPTION_FILE_ALIGNMENT
},
447 {"format", required_argument
, 0, 'F'}, /* Obsolete */
448 {"gap-fill", required_argument
, 0, OPTION_GAP_FILL
},
449 {"globalize-symbol", required_argument
, 0, OPTION_GLOBALIZE_SYMBOL
},
450 {"globalize-symbols", required_argument
, 0, OPTION_GLOBALIZE_SYMBOLS
},
451 {"heap", required_argument
, 0, OPTION_HEAP
},
452 {"help", no_argument
, 0, 'h'},
453 {"image-base", required_argument
, 0 , OPTION_IMAGE_BASE
},
454 {"impure", no_argument
, 0, OPTION_IMPURE
},
455 {"info", no_argument
, 0, OPTION_FORMATS_INFO
},
456 {"input-format", required_argument
, 0, 'I'}, /* Obsolete */
457 {"input-target", required_argument
, 0, 'I'},
458 {"interleave", optional_argument
, 0, 'i'},
459 {"interleave-width", required_argument
, 0, OPTION_INTERLEAVE_WIDTH
},
460 {"keep-file-symbols", no_argument
, 0, OPTION_KEEP_FILE_SYMBOLS
},
461 {"keep-global-symbol", required_argument
, 0, 'G'},
462 {"keep-global-symbols", required_argument
, 0, OPTION_KEEPGLOBAL_SYMBOLS
},
463 {"keep-section", required_argument
, 0, OPTION_KEEP_SECTION
},
464 {"keep-symbol", required_argument
, 0, 'K'},
465 {"keep-symbols", required_argument
, 0, OPTION_KEEP_SYMBOLS
},
466 {"localize-hidden", no_argument
, 0, OPTION_LOCALIZE_HIDDEN
},
467 {"localize-symbol", required_argument
, 0, 'L'},
468 {"localize-symbols", required_argument
, 0, OPTION_LOCALIZE_SYMBOLS
},
469 {"long-section-names", required_argument
, 0, OPTION_LONG_SECTION_NAMES
},
470 {"merge-notes", no_argument
, 0, 'M'},
471 {"no-merge-notes", no_argument
, 0, OPTION_NO_MERGE_NOTES
},
472 {"no-adjust-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
473 {"no-change-warnings", no_argument
, 0, OPTION_NO_CHANGE_WARNINGS
},
474 {"only-keep-debug", no_argument
, 0, OPTION_ONLY_KEEP_DEBUG
},
475 {"only-section", required_argument
, 0, 'j'},
476 {"output-format", required_argument
, 0, 'O'}, /* Obsolete */
477 {"output-target", required_argument
, 0, 'O'},
478 {"pad-to", required_argument
, 0, OPTION_PAD_TO
},
479 {"prefix-alloc-sections", required_argument
, 0, OPTION_PREFIX_ALLOC_SECTIONS
},
480 {"prefix-sections", required_argument
, 0, OPTION_PREFIX_SECTIONS
},
481 {"prefix-symbols", required_argument
, 0, OPTION_PREFIX_SYMBOLS
},
482 {"preserve-dates", no_argument
, 0, 'p'},
483 {"pure", no_argument
, 0, OPTION_PURE
},
484 {"readonly-text", no_argument
, 0, OPTION_READONLY_TEXT
},
485 {"redefine-sym", required_argument
, 0, OPTION_REDEFINE_SYM
},
486 {"redefine-syms", required_argument
, 0, OPTION_REDEFINE_SYMS
},
487 {"remove-leading-char", no_argument
, 0, OPTION_REMOVE_LEADING_CHAR
},
488 {"remove-section", required_argument
, 0, 'R'},
489 {"remove-relocations", required_argument
, 0, OPTION_REMOVE_RELOCS
},
490 {"rename-section", required_argument
, 0, OPTION_RENAME_SECTION
},
491 {"reverse-bytes", required_argument
, 0, OPTION_REVERSE_BYTES
},
492 {"section-alignment", required_argument
, 0, OPTION_PE_SECTION_ALIGNMENT
},
493 {"set-section-flags", required_argument
, 0, OPTION_SET_SECTION_FLAGS
},
494 {"set-section-alignment", required_argument
, 0, OPTION_SET_SECTION_ALIGNMENT
},
495 {"set-start", required_argument
, 0, OPTION_SET_START
},
496 {"srec-forceS3", no_argument
, 0, OPTION_SREC_FORCES3
},
497 {"srec-len", required_argument
, 0, OPTION_SREC_LEN
},
498 {"stack", required_argument
, 0, OPTION_STACK
},
499 {"strip-all", no_argument
, 0, 'S'},
500 {"strip-debug", no_argument
, 0, 'g'},
501 {"strip-dwo", no_argument
, 0, OPTION_STRIP_DWO
},
502 {"strip-symbol", required_argument
, 0, 'N'},
503 {"strip-symbols", required_argument
, 0, OPTION_STRIP_SYMBOLS
},
504 {"strip-unneeded", no_argument
, 0, OPTION_STRIP_UNNEEDED
},
505 {"strip-unneeded-symbol", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOL
},
506 {"strip-unneeded-symbols", required_argument
, 0, OPTION_STRIP_UNNEEDED_SYMBOLS
},
507 {"subsystem", required_argument
, 0, OPTION_SUBSYSTEM
},
508 {"target", required_argument
, 0, 'F'},
509 {"update-section", required_argument
, 0, OPTION_UPDATE_SECTION
},
510 {"verbose", no_argument
, 0, 'v'},
511 {"verilog-data-width", required_argument
, 0, OPTION_VERILOG_DATA_WIDTH
},
512 {"version", no_argument
, 0, 'V'},
513 {"weaken", no_argument
, 0, OPTION_WEAKEN
},
514 {"weaken-symbol", required_argument
, 0, 'W'},
515 {"weaken-symbols", required_argument
, 0, OPTION_WEAKEN_SYMBOLS
},
516 {"wildcard", no_argument
, 0, 'w'},
517 {"writable-text", no_argument
, 0, OPTION_WRITABLE_TEXT
},
518 {0, no_argument
, 0, 0}
522 extern char *program_name
;
524 /* This flag distinguishes between strip and objcopy:
525 1 means this is 'strip'; 0 means this is 'objcopy'.
526 -1 means if we should use argv[0] to decide. */
529 /* The maximum length of an S record. This variable is defined in srec.c
530 and can be modified by the --srec-len parameter. */
531 extern unsigned int _bfd_srec_len
;
533 /* Restrict the generation of Srecords to type S3 only.
534 This variable is defined in bfd/srec.c and can be toggled
535 on by the --srec-forceS3 command line switch. */
536 extern bfd_boolean _bfd_srec_forceS3
;
538 /* Width of data in bytes for verilog output.
539 This variable is declared in bfd/verilog.c and can be modified by
540 the --verilog-data-width parameter. */
541 extern unsigned int VerilogDataWidth
;
543 /* Forward declarations. */
544 static void setup_section (bfd
*, asection
*, void *);
545 static void setup_bfd_headers (bfd
*, bfd
*);
546 static void copy_relocations_in_section (bfd
*, asection
*, void *);
547 static void copy_section (bfd
*, asection
*, void *);
548 static void get_sections (bfd
*, asection
*, void *);
549 static int compare_section_lma (const void *, const void *);
550 static void mark_symbols_used_in_relocations (bfd
*, asection
*, void *);
551 static bfd_boolean
write_debugging_info (bfd
*, void *, long *, asymbol
***);
552 static const char *lookup_sym_redefinition (const char *);
553 static const char *find_section_rename (const char *, flagword
*);
555 ATTRIBUTE_NORETURN
static void
556 copy_usage (FILE *stream
, int exit_status
)
558 fprintf (stream
, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name
);
559 fprintf (stream
, _(" Copies a binary file, possibly transforming it in the process\n"));
560 fprintf (stream
, _(" The options are:\n"));
561 fprintf (stream
, _("\
562 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
563 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
564 -B --binary-architecture <arch> Set output arch, when input is arch-less\n\
565 -F --target <bfdname> Set both input and output format to <bfdname>\n\
566 --debugging Convert debugging information, if possible\n\
567 -p --preserve-dates Copy modified/access timestamps to the output\n"));
568 if (DEFAULT_AR_DETERMINISTIC
)
569 fprintf (stream
, _("\
570 -D --enable-deterministic-archives\n\
571 Produce deterministic output when stripping archives (default)\n\
572 -U --disable-deterministic-archives\n\
573 Disable -D behavior\n"));
575 fprintf (stream
, _("\
576 -D --enable-deterministic-archives\n\
577 Produce deterministic output when stripping archives\n\
578 -U --disable-deterministic-archives\n\
579 Disable -D behavior (default)\n"));
580 fprintf (stream
, _("\
581 -j --only-section <name> Only copy section <name> into the output\n\
582 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
583 -R --remove-section <name> Remove section <name> from the output\n\
584 --remove-relocations <name> Remove relocations from section <name>\n\
585 -S --strip-all Remove all symbol and relocation information\n\
586 -g --strip-debug Remove all debugging symbols & sections\n\
587 --strip-dwo Remove all DWO sections\n\
588 --strip-unneeded Remove all symbols not needed by relocations\n\
589 -N --strip-symbol <name> Do not copy symbol <name>\n\
590 --strip-unneeded-symbol <name>\n\
591 Do not copy symbol <name> unless needed by\n\
593 --only-keep-debug Strip everything but the debug information\n\
594 --extract-dwo Copy only DWO sections\n\
595 --extract-symbol Remove section contents but keep symbols\n\
596 --keep-section <name> Do not strip section <name>\n\
597 -K --keep-symbol <name> Do not strip symbol <name>\n\
598 --keep-file-symbols Do not strip file symbol(s)\n\
599 --localize-hidden Turn all ELF hidden symbols into locals\n\
600 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
601 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
602 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
603 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
604 --weaken Force all global symbols to be marked as weak\n\
605 -w --wildcard Permit wildcard in symbol comparison\n\
606 -x --discard-all Remove all non-global symbols\n\
607 -X --discard-locals Remove any compiler-generated symbols\n\
608 -i --interleave[=<number>] Only copy N out of every <number> bytes\n\
609 --interleave-width <number> Set N for --interleave\n\
610 -b --byte <num> Select byte <num> in every interleaved block\n\
611 --gap-fill <val> Fill gaps between sections with <val>\n\
612 --pad-to <addr> Pad the last section up to address <addr>\n\
613 --set-start <addr> Set the start address to <addr>\n\
614 {--change-start|--adjust-start} <incr>\n\
615 Add <incr> to the start address\n\
616 {--change-addresses|--adjust-vma} <incr>\n\
617 Add <incr> to LMA, VMA and start addresses\n\
618 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
619 Change LMA and VMA of section <name> by <val>\n\
620 --change-section-lma <name>{=|+|-}<val>\n\
621 Change the LMA of section <name> by <val>\n\
622 --change-section-vma <name>{=|+|-}<val>\n\
623 Change the VMA of section <name> by <val>\n\
624 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
625 Warn if a named section does not exist\n\
626 --set-section-flags <name>=<flags>\n\
627 Set section <name>'s properties to <flags>\n\
628 --set-section-alignment <name>=<align>\n\
629 Set section <name>'s alignment to <align> bytes\n\
630 --add-section <name>=<file> Add section <name> found in <file> to output\n\
631 --update-section <name>=<file>\n\
632 Update contents of section <name> with\n\
633 contents found in <file>\n\
634 --dump-section <name>=<file> Dump the contents of section <name> into <file>\n\
635 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
636 --long-section-names {enable|disable|keep}\n\
637 Handle long section names in Coff objects.\n\
638 --change-leading-char Force output format's leading character style\n\
639 --remove-leading-char Remove leading character from global symbols\n\
640 --reverse-bytes=<num> Reverse <num> bytes at a time, in output sections with content\n\
641 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
642 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
644 --srec-len <number> Restrict the length of generated Srecords\n\
645 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
646 --strip-symbols <file> -N for all symbols listed in <file>\n\
647 --strip-unneeded-symbols <file>\n\
648 --strip-unneeded-symbol for all symbols listed\n\
650 --keep-symbols <file> -K for all symbols listed in <file>\n\
651 --localize-symbols <file> -L for all symbols listed in <file>\n\
652 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
653 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
654 --weaken-symbols <file> -W for all symbols listed in <file>\n\
655 --add-symbol <name>=[<section>:]<value>[,<flags>] Add a symbol\n\
656 --alt-machine-code <index> Use the target's <index>'th alternative machine\n\
657 --writable-text Mark the output text as writable\n\
658 --readonly-text Make the output text write protected\n\
659 --pure Mark the output file as demand paged\n\
660 --impure Mark the output file as impure\n\
661 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
662 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
663 --prefix-alloc-sections <prefix>\n\
664 Add <prefix> to start of every allocatable\n\
666 --file-alignment <num> Set PE file alignment to <num>\n\
667 --heap <reserve>[,<commit>] Set PE reserve/commit heap to <reserve>/\n\
669 --image-base <address> Set PE image base to <address>\n\
670 --section-alignment <num> Set PE section alignment to <num>\n\
671 --stack <reserve>[,<commit>] Set PE reserve/commit stack to <reserve>/\n\
673 --subsystem <name>[:<version>]\n\
674 Set PE subsystem to <name> [& <version>]\n\
675 --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\
676 Compress DWARF debug sections using zlib\n\
677 --decompress-debug-sections Decompress DWARF debug sections using zlib\n\
678 --elf-stt-common=[yes|no] Generate ELF common symbols with STT_COMMON\n\
680 --verilog-data-width <number> Specifies data width, in bytes, for verilog output\n\
681 -M --merge-notes Remove redundant entries in note sections\n\
682 --no-merge-notes Do not attempt to remove redundant notes (default)\n\
683 -v --verbose List all object files modified\n\
684 @<file> Read options from <file>\n\
685 -V --version Display this program's version number\n\
686 -h --help Display this output\n\
687 --info List object formats & architectures supported\n\
689 list_supported_targets (program_name
, stream
);
690 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
691 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
695 ATTRIBUTE_NORETURN
static void
696 strip_usage (FILE *stream
, int exit_status
)
698 fprintf (stream
, _("Usage: %s <option(s)> in-file(s)\n"), program_name
);
699 fprintf (stream
, _(" Removes symbols and sections from files\n"));
700 fprintf (stream
, _(" The options are:\n"));
701 fprintf (stream
, _("\
702 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
703 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
704 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
705 -p --preserve-dates Copy modified/access timestamps to the output\n\
707 if (DEFAULT_AR_DETERMINISTIC
)
708 fprintf (stream
, _("\
709 -D --enable-deterministic-archives\n\
710 Produce deterministic output when stripping archives (default)\n\
711 -U --disable-deterministic-archives\n\
712 Disable -D behavior\n"));
714 fprintf (stream
, _("\
715 -D --enable-deterministic-archives\n\
716 Produce deterministic output when stripping archives\n\
717 -U --disable-deterministic-archives\n\
718 Disable -D behavior (default)\n"));
719 fprintf (stream
, _("\
720 -R --remove-section=<name> Also remove section <name> from the output\n\
721 --remove-relocations <name> Remove relocations from section <name>\n\
722 -s --strip-all Remove all symbol and relocation information\n\
723 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
724 --strip-dwo Remove all DWO sections\n\
725 --strip-unneeded Remove all symbols not needed by relocations\n\
726 --only-keep-debug Strip everything but the debug information\n\
727 -M --merge-notes Remove redundant entries in note sections (default)\n\
728 --no-merge-notes Do not attempt to remove redundant notes\n\
729 -N --strip-symbol=<name> Do not copy symbol <name>\n\
730 --keep-section=<name> Do not strip section <name>\n\
731 -K --keep-symbol=<name> Do not strip symbol <name>\n\
732 --keep-file-symbols Do not strip file symbol(s)\n\
733 -w --wildcard Permit wildcard in symbol comparison\n\
734 -x --discard-all Remove all non-global symbols\n\
735 -X --discard-locals Remove any compiler-generated symbols\n\
736 -v --verbose List all object files modified\n\
737 -V --version Display this program's version number\n\
738 -h --help Display this output\n\
739 --info List object formats & architectures supported\n\
740 -o <file> Place stripped output into <file>\n\
743 list_supported_targets (program_name
, stream
);
744 if (REPORT_BUGS_TO
[0] && exit_status
== 0)
745 fprintf (stream
, _("Report bugs to %s\n"), REPORT_BUGS_TO
);
749 /* Parse section flags into a flagword, with a fatal error if the
750 string can't be parsed. */
753 parse_flags (const char *s
)
763 snext
= strchr (s
, ',');
773 #define PARSE_FLAG(fname,fval) \
774 else if (strncasecmp (fname, s, len) == 0) ret |= fval
775 PARSE_FLAG ("alloc", SEC_ALLOC
);
776 PARSE_FLAG ("load", SEC_LOAD
);
777 PARSE_FLAG ("noload", SEC_NEVER_LOAD
);
778 PARSE_FLAG ("readonly", SEC_READONLY
);
779 PARSE_FLAG ("debug", SEC_DEBUGGING
);
780 PARSE_FLAG ("code", SEC_CODE
);
781 PARSE_FLAG ("data", SEC_DATA
);
782 PARSE_FLAG ("rom", SEC_ROM
);
783 PARSE_FLAG ("exclude", SEC_EXCLUDE
);
784 PARSE_FLAG ("share", SEC_COFF_SHARED
);
785 PARSE_FLAG ("contents", SEC_HAS_CONTENTS
);
786 PARSE_FLAG ("merge", SEC_MERGE
);
787 PARSE_FLAG ("strings", SEC_STRINGS
);
793 copy
= (char *) xmalloc (len
+ 1);
794 strncpy (copy
, s
, len
);
796 non_fatal (_("unrecognized section flag `%s'"), copy
);
797 fatal (_("supported flags: %s"),
798 "alloc, load, noload, readonly, debug, code, data, rom, exclude, share, contents, merge, strings");
808 /* Parse symbol flags into a flagword, with a fatal error if the
809 string can't be parsed. */
812 parse_symflags (const char *s
, const char **other
)
822 snext
= strchr (s
, ',');
831 #define PARSE_FLAG(fname, fval) \
832 else if (len == sizeof fname - 1 \
833 && strncasecmp (fname, s, len) == 0) \
836 #define PARSE_OTHER(fname, fval) \
837 else if (len >= sizeof fname \
838 && strncasecmp (fname, s, sizeof fname - 1) == 0) \
839 fval = xstrndup (s + sizeof fname - 1, len - sizeof fname + 1)
842 PARSE_FLAG ("local", BSF_LOCAL
);
843 PARSE_FLAG ("global", BSF_GLOBAL
);
844 PARSE_FLAG ("export", BSF_EXPORT
);
845 PARSE_FLAG ("debug", BSF_DEBUGGING
);
846 PARSE_FLAG ("function", BSF_FUNCTION
);
847 PARSE_FLAG ("weak", BSF_WEAK
);
848 PARSE_FLAG ("section", BSF_SECTION_SYM
);
849 PARSE_FLAG ("constructor", BSF_CONSTRUCTOR
);
850 PARSE_FLAG ("warning", BSF_WARNING
);
851 PARSE_FLAG ("indirect", BSF_INDIRECT
);
852 PARSE_FLAG ("file", BSF_FILE
);
853 PARSE_FLAG ("object", BSF_OBJECT
);
854 PARSE_FLAG ("synthetic", BSF_SYNTHETIC
);
855 PARSE_FLAG ("indirect-function", BSF_GNU_INDIRECT_FUNCTION
| BSF_FUNCTION
);
856 PARSE_FLAG ("unique-object", BSF_GNU_UNIQUE
| BSF_OBJECT
);
857 PARSE_OTHER ("before=", *other
);
865 copy
= (char *) xmalloc (len
+ 1);
866 strncpy (copy
, s
, len
);
868 non_fatal (_("unrecognized symbol flag `%s'"), copy
);
869 fatal (_("supported flags: %s"),
870 "local, global, export, debug, function, weak, section, "
871 "constructor, warning, indirect, file, object, synthetic, "
872 "indirect-function, unique-object, before=<othersym>");
882 /* Find and optionally add an entry in the change_sections list.
884 We need to be careful in how we match section names because of the support
885 for wildcard characters. For example suppose that the user has invoked
888 --set-section-flags .debug_*=debug
889 --set-section-flags .debug_str=readonly,debug
890 --change-section-address .debug_*ranges=0x1000
892 With the idea that all debug sections will receive the DEBUG flag, the
893 .debug_str section will also receive the READONLY flag and the
894 .debug_ranges and .debug_aranges sections will have their address set to
895 0x1000. (This may not make much sense, but it is just an example).
897 When adding the section name patterns to the section list we need to make
898 sure that previous entries do not match with the new entry, unless the
899 match is exact. (In which case we assume that the user is overriding
900 the previous entry with the new context).
902 When matching real section names to the section list we make use of the
903 wildcard characters, but we must do so in context. Eg if we are setting
904 section addresses then we match for .debug_ranges but not for .debug_info.
906 Finally, if ADD is false and we do find a match, we mark the section list
909 static struct section_list
*
910 find_section_list (const char *name
, bfd_boolean add
, unsigned int context
)
912 struct section_list
*p
, *match
= NULL
;
914 /* assert ((context & ((1 << 7) - 1)) != 0); */
916 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
920 if (strcmp (p
->pattern
, name
) == 0)
922 /* Check for context conflicts. */
923 if (((p
->context
& SECTION_CONTEXT_REMOVE
)
924 && (context
& SECTION_CONTEXT_COPY
))
925 || ((context
& SECTION_CONTEXT_REMOVE
)
926 && (p
->context
& SECTION_CONTEXT_COPY
)))
927 fatal (_("error: %s both copied and removed"), name
);
929 if (((p
->context
& SECTION_CONTEXT_SET_VMA
)
930 && (context
& SECTION_CONTEXT_ALTER_VMA
))
931 || ((context
& SECTION_CONTEXT_SET_VMA
)
932 && (context
& SECTION_CONTEXT_ALTER_VMA
)))
933 fatal (_("error: %s both sets and alters VMA"), name
);
935 if (((p
->context
& SECTION_CONTEXT_SET_LMA
)
936 && (context
& SECTION_CONTEXT_ALTER_LMA
))
937 || ((context
& SECTION_CONTEXT_SET_LMA
)
938 && (context
& SECTION_CONTEXT_ALTER_LMA
)))
939 fatal (_("error: %s both sets and alters LMA"), name
);
941 /* Extend the context. */
942 p
->context
|= context
;
946 /* If we are not adding a new name/pattern then
947 only check for a match if the context applies. */
948 else if (p
->context
& context
)
950 /* We could check for the presence of wildchar characters
951 first and choose between calling strcmp and fnmatch,
952 but is that really worth it ? */
953 if (p
->pattern
[0] == '!')
955 if (fnmatch (p
->pattern
+ 1, name
, 0) == 0)
963 if (fnmatch (p
->pattern
, name
, 0) == 0)
979 p
= (struct section_list
*) xmalloc (sizeof (struct section_list
));
982 p
->context
= context
;
987 p
->next
= change_sections
;
993 /* S1 is the entry node already in the table, S2 is the key node. */
996 eq_string_redefnode (const void *s1
, const void *s2
)
998 struct redefine_node
*node1
= (struct redefine_node
*) s1
;
999 struct redefine_node
*node2
= (struct redefine_node
*) s2
;
1000 return !strcmp ((const char *) node1
->source
, (const char *) node2
->source
);
1003 /* P is redefine node. Hash value is generated from its "source" filed. */
1006 htab_hash_redefnode (const void *p
)
1008 struct redefine_node
*redefnode
= (struct redefine_node
*) p
;
1009 return htab_hash_string (redefnode
->source
);
1012 /* Create hashtab used for redefine node. */
1015 create_symbol2redef_htab (void)
1017 return htab_create_alloc (16, htab_hash_redefnode
, eq_string_redefnode
, NULL
,
1021 /* There is htab_hash_string but no htab_eq_string. Makes sense. */
1024 eq_string (const void *s1
, const void *s2
)
1026 return strcmp ((const char *) s1
, (const char *) s2
) == 0;
1030 create_symbol_htab (void)
1032 return htab_create_alloc (16, htab_hash_string
, eq_string
, NULL
, xcalloc
, free
);
1036 create_symbol_htabs (void)
1038 strip_specific_htab
= create_symbol_htab ();
1039 strip_unneeded_htab
= create_symbol_htab ();
1040 keep_specific_htab
= create_symbol_htab ();
1041 localize_specific_htab
= create_symbol_htab ();
1042 globalize_specific_htab
= create_symbol_htab ();
1043 keepglobal_specific_htab
= create_symbol_htab ();
1044 weaken_specific_htab
= create_symbol_htab ();
1045 redefine_specific_htab
= create_symbol2redef_htab ();
1046 /* As there is no bidirectional hash table in libiberty, need a reverse table
1047 to check duplicated target string. */
1048 redefine_specific_reverse_htab
= create_symbol_htab ();
1051 /* Add a symbol to strip_specific_list. */
1054 add_specific_symbol (const char *name
, htab_t htab
)
1056 *htab_find_slot (htab
, name
, INSERT
) = (char *) name
;
1059 /* Like add_specific_symbol, but the element type is void *. */
1062 add_specific_symbol_node (const void *node
, htab_t htab
)
1064 *htab_find_slot (htab
, node
, INSERT
) = (void *) node
;
1067 /* Add symbols listed in `filename' to strip_specific_list. */
1069 #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
1070 #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
1073 add_specific_symbols (const char *filename
, htab_t htab
, char **buffer_p
)
1079 unsigned int line_count
;
1081 size
= get_file_size (filename
);
1088 buffer
= (char *) xmalloc (size
+ 2);
1089 f
= fopen (filename
, FOPEN_RT
);
1091 fatal (_("cannot open '%s': %s"), filename
, strerror (errno
));
1093 if (fread (buffer
, 1, size
, f
) == 0 || ferror (f
))
1094 fatal (_("%s: fread failed"), filename
);
1097 buffer
[size
] = '\n';
1098 buffer
[size
+ 1] = '\0';
1102 for (line
= buffer
; * line
!= '\0'; line
++)
1107 int finished
= FALSE
;
1109 for (eol
= line
;; eol
++)
1115 /* Cope with \n\r. */
1123 /* Cope with \r\n. */
1134 /* Line comment, Terminate the line here, in case a
1135 name is present and then allow the rest of the
1136 loop to find the real end of the line. */
1148 /* A name may now exist somewhere between 'line' and 'eol'.
1149 Strip off leading whitespace and trailing whitespace,
1150 then add it to the list. */
1151 for (name
= line
; IS_WHITESPACE (* name
); name
++)
1153 for (name_end
= name
;
1154 (! IS_WHITESPACE (* name_end
))
1155 && (! IS_LINE_TERMINATOR (* name_end
));
1159 if (! IS_LINE_TERMINATOR (* name_end
))
1163 for (extra
= name_end
+ 1; IS_WHITESPACE (* extra
); extra
++)
1166 if (! IS_LINE_TERMINATOR (* extra
))
1167 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
1168 filename
, line_count
);
1173 if (name_end
> name
)
1174 add_specific_symbol (name
, htab
);
1176 /* Advance line pointer to end of line. The 'eol ++' in the for
1177 loop above will then advance us to the start of the next line. */
1182 /* Do not free the buffer. Parts of it will have been referenced
1183 in the calls to add_specific_symbol. */
1187 /* See whether a symbol should be stripped or kept
1188 based on strip_specific_list and keep_symbols. */
1191 is_specified_symbol_predicate (void **slot
, void *data
)
1193 struct is_specified_symbol_predicate_data
*d
=
1194 (struct is_specified_symbol_predicate_data
*) data
;
1195 const char *slot_name
= (char *) *slot
;
1197 if (*slot_name
!= '!')
1199 if (! fnmatch (slot_name
, d
->name
, 0))
1202 /* Continue traversal, there might be a non-match rule. */
1208 if (! fnmatch (slot_name
+ 1, d
->name
, 0))
1211 /* Stop traversal. */
1216 /* Continue traversal. */
1221 is_specified_symbol (const char *name
, htab_t htab
)
1225 struct is_specified_symbol_predicate_data data
;
1230 htab_traverse (htab
, is_specified_symbol_predicate
, &data
);
1235 return htab_find (htab
, name
) != NULL
;
1238 /* Return a pointer to the symbol used as a signature for GROUP. */
1241 group_signature (asection
*group
)
1243 bfd
*abfd
= group
->owner
;
1244 Elf_Internal_Shdr
*ghdr
;
1246 /* PR 20089: An earlier error may have prevented us from loading the symbol table. */
1250 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
1253 ghdr
= &elf_section_data (group
)->this_hdr
;
1254 if (ghdr
->sh_link
== elf_onesymtab (abfd
))
1256 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1257 Elf_Internal_Shdr
*symhdr
= &elf_symtab_hdr (abfd
);
1259 if (ghdr
->sh_info
> 0
1260 && ghdr
->sh_info
< symhdr
->sh_size
/ bed
->s
->sizeof_sym
)
1261 return isympp
[ghdr
->sh_info
- 1];
1266 /* Return TRUE if the section is a DWO section. */
1269 is_dwo_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
1274 if (sec
== NULL
|| (name
= bfd_section_name (sec
)) == NULL
)
1277 len
= strlen (name
);
1281 return strncmp (name
+ len
- 4, ".dwo", 4) == 0;
1284 /* Return TRUE if section SEC is in the update list. */
1287 is_update_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
1289 if (update_sections
!= NULL
)
1291 struct section_add
*pupdate
;
1293 for (pupdate
= update_sections
;
1295 pupdate
= pupdate
->next
)
1297 if (strcmp (sec
->name
, pupdate
->name
) == 0)
1306 is_mergeable_note_section (bfd
* abfd
, asection
* sec
)
1309 && bfd_get_flavour (abfd
) == bfd_target_elf_flavour
1310 && elf_section_data (sec
)->this_hdr
.sh_type
== SHT_NOTE
1311 /* FIXME: We currently only support merging GNU_BUILD_NOTEs.
1312 We should add support for more note types. */
1313 && (CONST_STRNEQ (sec
->name
, GNU_BUILD_ATTRS_SECTION_NAME
)))
1319 /* See if a non-group section is being removed. */
1322 is_strip_section_1 (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
1324 if (find_section_list (bfd_section_name (sec
), FALSE
, SECTION_CONTEXT_KEEP
)
1328 if (sections_removed
|| sections_copied
)
1330 struct section_list
*p
;
1331 struct section_list
*q
;
1333 p
= find_section_list (bfd_section_name (sec
), FALSE
,
1334 SECTION_CONTEXT_REMOVE
);
1335 q
= find_section_list (bfd_section_name (sec
), FALSE
,
1336 SECTION_CONTEXT_COPY
);
1339 fatal (_("error: section %s matches both remove and copy options"),
1340 bfd_section_name (sec
));
1341 if (p
&& is_update_section (abfd
, sec
))
1342 fatal (_("error: section %s matches both update and remove options"),
1343 bfd_section_name (sec
));
1347 if (sections_copied
&& q
== NULL
)
1351 if ((bfd_section_flags (sec
) & SEC_DEBUGGING
) != 0)
1353 if (strip_symbols
== STRIP_DEBUG
1354 || strip_symbols
== STRIP_UNNEEDED
1355 || strip_symbols
== STRIP_ALL
1356 || discard_locals
== LOCALS_ALL
1357 || convert_debugging
)
1359 /* By default we don't want to strip .reloc section.
1360 This section has for pe-coff special meaning. See
1361 pe-dll.c file in ld, and peXXigen.c in bfd for details. */
1362 if (strcmp (bfd_section_name (sec
), ".reloc") != 0)
1366 if (strip_symbols
== STRIP_DWO
)
1367 return is_dwo_section (abfd
, sec
);
1369 if (strip_symbols
== STRIP_NONDEBUG
)
1373 if (strip_symbols
== STRIP_NONDWO
)
1374 return !is_dwo_section (abfd
, sec
);
1379 /* See if a section is being removed. */
1382 is_strip_section (bfd
*abfd ATTRIBUTE_UNUSED
, asection
*sec
)
1384 if (is_strip_section_1 (abfd
, sec
))
1387 if ((bfd_section_flags (sec
) & SEC_GROUP
) != 0)
1391 asection
*elt
, *first
;
1393 gsym
= group_signature (sec
);
1394 /* Strip groups without a valid signature. */
1399 If we are going to strip the group signature symbol, then
1400 strip the group section too. */
1402 if ((strip_symbols
== STRIP_ALL
1403 && !is_specified_symbol (gname
, keep_specific_htab
))
1404 || is_specified_symbol (gname
, strip_specific_htab
))
1407 /* Remove the group section if all members are removed. */
1408 first
= elt
= elf_next_in_group (sec
);
1411 if (!is_strip_section_1 (abfd
, elt
))
1413 elt
= elf_next_in_group (elt
);
1425 is_nondebug_keep_contents_section (bfd
*ibfd
, asection
*isection
)
1427 /* Always keep ELF note sections. */
1428 if (bfd_get_flavour (ibfd
) == bfd_target_elf_flavour
)
1429 return elf_section_type (isection
) == SHT_NOTE
;
1431 /* Always keep the .buildid section for PE/COFF.
1433 Strictly, this should be written "always keep the section storing the debug
1434 directory", but that may be the .text section for objects produced by some
1435 tools, which it is not sensible to keep. */
1436 if (bfd_get_flavour (ibfd
) == bfd_target_coff_flavour
)
1437 return strcmp (bfd_section_name (isection
), ".buildid") == 0;
1442 /* Return true if SYM is a hidden symbol. */
1445 is_hidden_symbol (asymbol
*sym
)
1447 elf_symbol_type
*elf_sym
;
1449 elf_sym
= elf_symbol_from (sym
);
1450 if (elf_sym
!= NULL
)
1451 switch (ELF_ST_VISIBILITY (elf_sym
->internal_elf_sym
.st_other
))
1460 /* Empty name is hopefully never a valid symbol name. */
1461 static const char * empty_name
= "";
1464 need_sym_before (struct addsym_node
**node
, const char *sym
)
1467 struct addsym_node
*ptr
= add_sym_list
;
1469 /* 'othersym' symbols are at the front of the list. */
1470 for (count
= 0; count
< add_symbols
; count
++)
1474 if (ptr
->othersym
== empty_name
)
1476 else if (strcmp (ptr
->othersym
, sym
) == 0)
1478 free ((char *) ptr
->othersym
);
1479 ptr
->othersym
= empty_name
;
1489 create_new_symbol (struct addsym_node
*ptr
, bfd
*obfd
)
1491 asymbol
*sym
= bfd_make_empty_symbol (obfd
);
1493 bfd_set_asymbol_name (sym
, ptr
->symdef
);
1494 sym
->value
= ptr
->symval
;
1495 sym
->flags
= ptr
->flags
;
1498 asection
*sec
= bfd_get_section_by_name (obfd
, ptr
->section
);
1500 fatal (_("Section %s not found"), ptr
->section
);
1504 sym
->section
= bfd_abs_section_ptr
;
1508 /* Choose which symbol entries to copy; put the result in OSYMS.
1509 We don't copy in place, because that confuses the relocs.
1510 Return the number of symbols to print. */
1513 filter_symbols (bfd
*abfd
, bfd
*obfd
, asymbol
**osyms
,
1514 asymbol
**isyms
, long symcount
)
1516 asymbol
**from
= isyms
, **to
= osyms
;
1517 long src_count
= 0, dst_count
= 0;
1518 int relocatable
= (abfd
->flags
& (EXEC_P
| DYNAMIC
)) == 0;
1520 for (; src_count
< symcount
; src_count
++)
1522 asymbol
*sym
= from
[src_count
];
1523 flagword flags
= sym
->flags
;
1524 char *name
= (char *) bfd_asymbol_name (sym
);
1526 bfd_boolean used_in_reloc
= FALSE
;
1527 bfd_boolean undefined
;
1528 bfd_boolean rem_leading_char
;
1529 bfd_boolean add_leading_char
;
1531 undefined
= bfd_is_und_section (bfd_asymbol_section (sym
));
1535 struct addsym_node
*ptr
;
1537 if (need_sym_before (&ptr
, name
))
1538 to
[dst_count
++] = create_new_symbol (ptr
, obfd
);
1541 if (htab_elements (redefine_specific_htab
) || section_rename_list
)
1545 new_name
= (char *) lookup_sym_redefinition (name
);
1546 if (new_name
== name
1547 && (flags
& BSF_SECTION_SYM
) != 0)
1548 new_name
= (char *) find_section_rename (name
, NULL
);
1549 bfd_set_asymbol_name (sym
, new_name
);
1553 /* Check if we will remove the current leading character. */
1556 && name
[0] == bfd_get_symbol_leading_char (abfd
)
1557 && (change_leading_char
1558 || (remove_leading_char
1559 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1561 || bfd_is_com_section (bfd_asymbol_section (sym
))))));
1563 /* Check if we will add a new leading character. */
1566 && (bfd_get_symbol_leading_char (obfd
) != '\0')
1567 && (bfd_get_symbol_leading_char (abfd
) == '\0'
1568 || (name
[0] == bfd_get_symbol_leading_char (abfd
)));
1570 /* Short circuit for change_leading_char if we can do it in-place. */
1571 if (rem_leading_char
&& add_leading_char
&& !prefix_symbols_string
)
1573 name
[0] = bfd_get_symbol_leading_char (obfd
);
1574 bfd_set_asymbol_name (sym
, name
);
1575 rem_leading_char
= FALSE
;
1576 add_leading_char
= FALSE
;
1579 /* Remove leading char. */
1580 if (rem_leading_char
)
1581 bfd_set_asymbol_name (sym
, ++name
);
1583 /* Add new leading char and/or prefix. */
1584 if (add_leading_char
|| prefix_symbols_string
)
1587 size_t len
= strlen (name
) + 1;
1589 if (add_leading_char
)
1591 if (prefix_symbols_string
)
1592 len
+= strlen (prefix_symbols_string
);
1594 ptr
= n
= (char *) xmalloc (len
);
1595 if (add_leading_char
)
1596 *ptr
++ = bfd_get_symbol_leading_char (obfd
);
1598 if (prefix_symbols_string
)
1600 strcpy (ptr
, prefix_symbols_string
);
1601 ptr
+= strlen (prefix_symbols_string
);
1605 bfd_set_asymbol_name (sym
, n
);
1609 if (strip_symbols
== STRIP_ALL
)
1611 else if ((flags
& BSF_KEEP
) != 0 /* Used in relocation. */
1612 || ((flags
& BSF_SECTION_SYM
) != 0
1613 && ((*bfd_asymbol_section (sym
)->symbol_ptr_ptr
)->flags
1617 used_in_reloc
= TRUE
;
1619 else if (relocatable
/* Relocatable file. */
1620 && ((flags
& (BSF_GLOBAL
| BSF_WEAK
)) != 0
1621 || bfd_is_com_section (bfd_asymbol_section (sym
))))
1623 else if (bfd_decode_symclass (sym
) == 'I')
1624 /* Global symbols in $idata sections need to be retained
1625 even if relocatable is FALSE. External users of the
1626 library containing the $idata section may reference these
1629 else if ((flags
& BSF_GLOBAL
) != 0 /* Global symbol. */
1630 || (flags
& BSF_WEAK
) != 0
1632 || bfd_is_com_section (bfd_asymbol_section (sym
)))
1633 keep
= strip_symbols
!= STRIP_UNNEEDED
;
1634 else if ((flags
& BSF_DEBUGGING
) != 0) /* Debugging symbol. */
1635 keep
= (strip_symbols
!= STRIP_DEBUG
1636 && strip_symbols
!= STRIP_UNNEEDED
1637 && ! convert_debugging
);
1638 else if (bfd_coff_get_comdat_section (abfd
, bfd_asymbol_section (sym
)))
1639 /* COMDAT sections store special information in local
1640 symbols, so we cannot risk stripping any of them. */
1642 else /* Local symbol. */
1643 keep
= (strip_symbols
!= STRIP_UNNEEDED
1644 && (discard_locals
!= LOCALS_ALL
1645 && (discard_locals
!= LOCALS_START_L
1646 || ! bfd_is_local_label (abfd
, sym
))));
1648 if (keep
&& is_specified_symbol (name
, strip_specific_htab
))
1650 /* There are multiple ways to set 'keep' above, but if it
1651 was the relocatable symbol case, then that's an error. */
1654 non_fatal (_("not stripping symbol `%s' because it is named in a relocation"), name
);
1662 && !(flags
& BSF_KEEP
)
1663 && is_specified_symbol (name
, strip_unneeded_htab
))
1667 && ((keep_file_symbols
&& (flags
& BSF_FILE
))
1668 || is_specified_symbol (name
, keep_specific_htab
)))
1671 if (keep
&& is_strip_section (abfd
, bfd_asymbol_section (sym
)))
1676 if ((flags
& BSF_GLOBAL
) != 0
1677 && (weaken
|| is_specified_symbol (name
, weaken_specific_htab
)))
1679 sym
->flags
&= ~ BSF_GLOBAL
;
1680 sym
->flags
|= BSF_WEAK
;
1684 && (flags
& (BSF_GLOBAL
| BSF_WEAK
))
1685 && (is_specified_symbol (name
, localize_specific_htab
)
1686 || (htab_elements (keepglobal_specific_htab
) != 0
1687 && ! is_specified_symbol (name
, keepglobal_specific_htab
))
1688 || (localize_hidden
&& is_hidden_symbol (sym
))))
1690 sym
->flags
&= ~ (BSF_GLOBAL
| BSF_WEAK
);
1691 sym
->flags
|= BSF_LOCAL
;
1695 && (flags
& BSF_LOCAL
)
1696 && is_specified_symbol (name
, globalize_specific_htab
))
1698 sym
->flags
&= ~ BSF_LOCAL
;
1699 sym
->flags
|= BSF_GLOBAL
;
1702 to
[dst_count
++] = sym
;
1707 struct addsym_node
*ptr
= add_sym_list
;
1709 for (src_count
= 0; src_count
< add_symbols
; src_count
++)
1713 if (ptr
->othersym
!= empty_name
)
1714 fatal (_("'before=%s' not found"), ptr
->othersym
);
1717 to
[dst_count
++] = create_new_symbol (ptr
, obfd
);
1723 to
[dst_count
] = NULL
;
1728 /* Find the redefined name of symbol SOURCE. */
1731 lookup_sym_redefinition (const char *source
)
1733 struct redefine_node key_node
= {(char *) source
, NULL
};
1734 struct redefine_node
*redef_node
1735 = (struct redefine_node
*) htab_find (redefine_specific_htab
, &key_node
);
1737 return redef_node
== NULL
? source
: redef_node
->target
;
1740 /* Insert a node into symbol redefine hash tabel. */
1743 add_redefine_and_check (const char *cause
, const char *source
,
1746 struct redefine_node
*new_node
1747 = (struct redefine_node
*) xmalloc (sizeof (struct redefine_node
));
1749 new_node
->source
= strdup (source
);
1750 new_node
->target
= strdup (target
);
1752 if (htab_find (redefine_specific_htab
, new_node
) != HTAB_EMPTY_ENTRY
)
1753 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
1756 if (htab_find (redefine_specific_reverse_htab
, target
) != HTAB_EMPTY_ENTRY
)
1757 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
1760 /* Insert the NEW_NODE into hash table for quick search. */
1761 add_specific_symbol_node (new_node
, redefine_specific_htab
);
1763 /* Insert the target string into the reverse hash table, this is needed for
1764 duplicated target string check. */
1765 add_specific_symbol (new_node
->target
, redefine_specific_reverse_htab
);
1769 /* Handle the --redefine-syms option. Read lines containing "old new"
1770 from the file, and add them to the symbol redefine list. */
1773 add_redefine_syms_file (const char *filename
)
1782 file
= fopen (filename
, "r");
1784 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1785 filename
, strerror (errno
));
1788 buf
= (char *) xmalloc (bufsize
+ 1 /* For the terminating NUL. */);
1796 /* Collect the input symbol name. */
1797 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1805 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1813 /* Eat white space between the symbol names. */
1814 while (IS_WHITESPACE (c
))
1816 if (c
== '#' || IS_LINE_TERMINATOR (c
))
1821 /* Collect the output symbol name. */
1823 while (! IS_WHITESPACE (c
) && ! IS_LINE_TERMINATOR (c
) && c
!= EOF
)
1831 buf
= (char *) xrealloc (buf
, bufsize
+ 1);
1839 /* Eat white space at end of line. */
1840 while (! IS_LINE_TERMINATOR(c
) && c
!= EOF
&& IS_WHITESPACE (c
))
1845 if ((c
== '\r' && (c
= getc (file
)) == '\n')
1846 || c
== '\n' || c
== EOF
)
1849 /* Append the redefinition to the list. */
1851 add_redefine_and_check (filename
, &buf
[0], &buf
[outsym_off
]);
1862 fatal (_("%s:%d: garbage found at end of line"), filename
, lineno
);
1864 if (len
!= 0 && (outsym_off
== 0 || outsym_off
== len
))
1865 fatal (_("%s:%d: missing new symbol name"), filename
, lineno
);
1868 /* Eat the rest of the line and finish it. */
1869 while (c
!= '\n' && c
!= EOF
)
1875 fatal (_("%s:%d: premature end of file"), filename
, lineno
);
1881 /* Copy unknown object file IBFD onto OBFD.
1882 Returns TRUE upon success, FALSE otherwise. */
1885 copy_unknown_object (bfd
*ibfd
, bfd
*obfd
)
1893 if (bfd_stat_arch_elt (ibfd
, &buf
) != 0)
1895 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1902 non_fatal (_("stat returns negative size for `%s'"),
1903 bfd_get_archive_filename (ibfd
));
1907 if (bfd_seek (ibfd
, (file_ptr
) 0, SEEK_SET
) != 0)
1909 bfd_nonfatal (bfd_get_archive_filename (ibfd
));
1914 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1915 bfd_get_archive_filename (ibfd
), bfd_get_filename (obfd
));
1917 cbuf
= (char *) xmalloc (BUFSIZE
);
1919 while (ncopied
< size
)
1921 tocopy
= size
- ncopied
;
1922 if (tocopy
> BUFSIZE
)
1925 if (bfd_bread (cbuf
, (bfd_size_type
) tocopy
, ibfd
)
1926 != (bfd_size_type
) tocopy
)
1928 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
1933 if (bfd_bwrite (cbuf
, (bfd_size_type
) tocopy
, obfd
)
1934 != (bfd_size_type
) tocopy
)
1936 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
1944 /* We should at least to be able to read it back when copying an
1945 unknown object in an archive. */
1946 chmod (bfd_get_filename (obfd
), buf
.st_mode
| S_IRUSR
);
1951 typedef struct objcopy_internal_note
1953 Elf_Internal_Note note
;
1954 unsigned long padded_namesz
;
1957 } objcopy_internal_note
;
1959 #define DEBUG_MERGE 0
1962 #define merge_debug(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
1964 #define merge_debug(format, ...)
1967 /* Returns TRUE iff PNOTE1 overlaps or adjoins PNOTE2. */
1970 overlaps_or_adjoins (objcopy_internal_note
* pnote1
,
1971 objcopy_internal_note
* pnote2
)
1973 if (pnote1
->end
< pnote2
->start
)
1974 /* FIXME: Alignment of 16 bytes taken from x86_64 binaries.
1975 Really we should extract the alignment of the section
1976 covered by the notes. */
1977 return BFD_ALIGN (pnote1
->end
, 16) < pnote2
->start
;
1979 if (pnote2
->end
< pnote2
->start
)
1980 return BFD_ALIGN (pnote2
->end
, 16) < pnote1
->start
;
1982 if (pnote1
->end
< pnote2
->end
)
1985 if (pnote2
->end
< pnote1
->end
)
1991 /* Returns TRUE iff NEEDLE is fully contained by HAYSTACK. */
1994 contained_by (objcopy_internal_note
* needle
,
1995 objcopy_internal_note
* haystack
)
1997 return needle
->start
>= haystack
->start
&& needle
->end
<= haystack
->end
;
2001 is_open_note (objcopy_internal_note
* pnote
)
2003 return pnote
->note
.type
== NT_GNU_BUILD_ATTRIBUTE_OPEN
;
2007 is_func_note (objcopy_internal_note
* pnote
)
2009 return pnote
->note
.type
== NT_GNU_BUILD_ATTRIBUTE_FUNC
;
2013 is_deleted_note (objcopy_internal_note
* pnote
)
2015 return pnote
->note
.type
== 0;
2019 is_version_note (objcopy_internal_note
* pnote
)
2021 return (pnote
->note
.namesz
> 4
2022 && pnote
->note
.namedata
[0] == 'G'
2023 && pnote
->note
.namedata
[1] == 'A'
2024 && pnote
->note
.namedata
[2] == '$'
2025 && pnote
->note
.namedata
[3] == GNU_BUILD_ATTRIBUTE_VERSION
);
2029 is_64bit (bfd
* abfd
)
2031 /* Should never happen, but let's be paranoid. */
2032 if (bfd_get_flavour (abfd
) != bfd_target_elf_flavour
)
2035 return elf_elfheader (abfd
)->e_ident
[EI_CLASS
] == ELFCLASS64
;
2038 /* This sorting function is used to get the notes into an order
2039 that makes merging easy. */
2042 compare_gnu_build_notes (const void * data1
, const void * data2
)
2044 objcopy_internal_note
* pnote1
= (objcopy_internal_note
*) data1
;
2045 objcopy_internal_note
* pnote2
= (objcopy_internal_note
*) data2
;
2047 /* Sort notes based upon the attribute they record. */
2048 int cmp
= memcmp (pnote1
->note
.namedata
+ 3,
2049 pnote2
->note
.namedata
+ 3,
2050 pnote1
->note
.namesz
< pnote2
->note
.namesz
?
2051 pnote1
->note
.namesz
- 3 : pnote2
->note
.namesz
- 3);
2055 if (pnote1
->end
< pnote2
->start
)
2057 if (pnote1
->start
> pnote2
->end
)
2060 /* Overlaps - we should merge the two ranges. */
2061 if (pnote1
->start
< pnote2
->start
)
2063 if (pnote1
->end
> pnote2
->end
)
2065 if (pnote1
->end
< pnote2
->end
)
2068 /* Put OPEN notes before function notes. */
2069 if (is_open_note (pnote1
) && ! is_open_note (pnote2
))
2071 if (! is_open_note (pnote1
) && is_open_note (pnote2
))
2077 /* This sorting function is used to get the notes into an order
2078 that makes eliminating address ranges easier. */
2081 sort_gnu_build_notes (const void * data1
, const void * data2
)
2083 objcopy_internal_note
* pnote1
= (objcopy_internal_note
*) data1
;
2084 objcopy_internal_note
* pnote2
= (objcopy_internal_note
*) data2
;
2086 if (pnote1
->note
.type
!= pnote2
->note
.type
)
2088 /* Move deleted notes to the end. */
2089 if (is_deleted_note (pnote1
)) /* 1: OFD 2: OFD */
2092 /* Move OPEN notes to the start. */
2093 if (is_open_note (pnote1
)) /* 1: OF 2: OFD */
2096 if (is_deleted_note (pnote2
)) /* 1: F 2: O D */
2099 return 1; /* 1: F 2: O */
2102 /* Sort by starting address. */
2103 if (pnote1
->start
< pnote2
->start
)
2105 if (pnote1
->start
> pnote2
->start
)
2108 /* Then by end address (bigger range first). */
2109 if (pnote1
->end
> pnote2
->end
)
2111 if (pnote1
->end
< pnote2
->end
)
2114 /* Then by attribute type. */
2115 if (pnote1
->note
.namesz
> 4
2116 && pnote2
->note
.namesz
> 4
2117 && pnote1
->note
.namedata
[3] != pnote2
->note
.namedata
[3])
2118 return pnote1
->note
.namedata
[3] - pnote2
->note
.namedata
[3];
2123 /* Merge the notes on SEC, removing redundant entries.
2124 Returns the new, smaller size of the section upon success. */
2126 static bfd_size_type
2127 merge_gnu_build_notes (bfd
* abfd
,
2130 bfd_byte
* contents
)
2132 objcopy_internal_note
* pnotes_end
;
2133 objcopy_internal_note
* pnotes
= NULL
;
2134 objcopy_internal_note
* pnote
;
2135 bfd_size_type remain
= size
;
2136 unsigned version_1_seen
= 0;
2137 unsigned version_2_seen
= 0;
2138 unsigned version_3_seen
= 0;
2139 const char * err
= NULL
;
2140 bfd_byte
* in
= contents
;
2141 unsigned long previous_func_start
= 0;
2142 unsigned long previous_open_start
= 0;
2143 unsigned long previous_func_end
= 0;
2144 unsigned long previous_open_end
= 0;
2147 relsize
= bfd_get_reloc_upper_bound (abfd
, sec
);
2153 /* If there are relocs associated with this section then we
2154 cannot safely merge it. */
2155 relpp
= (arelent
**) xmalloc (relsize
);
2156 relcount
= bfd_canonicalize_reloc (abfd
, sec
, relpp
, isympp
);
2161 non_fatal (_("%s[%s]: Cannot merge - there are relocations against this section"),
2162 bfd_get_filename (abfd
), bfd_section_name (sec
));
2167 /* Make a copy of the notes and convert to our internal format.
2168 Minimum size of a note is 12 bytes. Also locate the version
2169 notes and check them. */
2170 pnote
= pnotes
= (objcopy_internal_note
*)
2171 xcalloc ((size
/ 12), sizeof (* pnote
));
2172 while (remain
>= 12)
2176 pnote
->note
.namesz
= bfd_get_32 (abfd
, in
);
2177 pnote
->note
.descsz
= bfd_get_32 (abfd
, in
+ 4);
2178 pnote
->note
.type
= bfd_get_32 (abfd
, in
+ 8);
2179 pnote
->padded_namesz
= (pnote
->note
.namesz
+ 3) & ~3;
2181 if (((pnote
->note
.descsz
+ 3) & ~3) != pnote
->note
.descsz
)
2183 err
= _("corrupt GNU build attribute note: description size not a factor of 4");
2187 if (pnote
->note
.type
!= NT_GNU_BUILD_ATTRIBUTE_OPEN
2188 && pnote
->note
.type
!= NT_GNU_BUILD_ATTRIBUTE_FUNC
)
2190 err
= _("corrupt GNU build attribute note: wrong note type");
2194 if (pnote
->padded_namesz
+ pnote
->note
.descsz
+ 12 > remain
)
2196 err
= _("corrupt GNU build attribute note: note too big");
2200 if (pnote
->note
.namesz
< 2)
2202 err
= _("corrupt GNU build attribute note: name too small");
2206 pnote
->note
.namedata
= (char *)(in
+ 12);
2207 pnote
->note
.descdata
= (char *)(in
+ 12 + pnote
->padded_namesz
);
2209 remain
-= 12 + pnote
->padded_namesz
+ pnote
->note
.descsz
;
2210 in
+= 12 + pnote
->padded_namesz
+ pnote
->note
.descsz
;
2212 if (pnote
->note
.namesz
> 2
2213 && pnote
->note
.namedata
[0] == '$'
2214 && pnote
->note
.namedata
[1] == GNU_BUILD_ATTRIBUTE_VERSION
2215 && pnote
->note
.namedata
[2] == '1')
2217 else if (is_version_note (pnote
))
2219 if (pnote
->note
.namedata
[4] == '2')
2221 else if (pnote
->note
.namedata
[4] == '3')
2225 err
= _("corrupt GNU build attribute note: unsupported version");
2230 switch (pnote
->note
.descsz
)
2237 start
= bfd_get_32 (abfd
, pnote
->note
.descdata
);
2238 /* FIXME: For version 1 and 2 notes we should try to
2239 calculate the end address by finding a symbol whose
2240 value is START, and then adding in its size.
2242 For now though, since v1 and v2 was not intended to
2243 handle gaps, we chose an artificially large end
2249 start
= bfd_get_32 (abfd
, pnote
->note
.descdata
);
2250 end
= bfd_get_32 (abfd
, pnote
->note
.descdata
+ 4);
2254 start
= bfd_get_64 (abfd
, pnote
->note
.descdata
);
2255 end
= bfd_get_64 (abfd
, pnote
->note
.descdata
+ 8);
2259 err
= _("corrupt GNU build attribute note: bad description size");
2264 /* This can happen with PPC64LE binaries where empty notes are
2265 encoded as start = end + 4. */
2268 if (is_open_note (pnote
))
2271 previous_open_start
= start
;
2273 pnote
->start
= previous_open_start
;
2276 previous_open_end
= end
;
2278 pnote
->end
= previous_open_end
;
2283 previous_func_start
= start
;
2285 pnote
->start
= previous_func_start
;
2288 previous_func_end
= end
;
2290 pnote
->end
= previous_func_end
;
2293 if (pnote
->note
.namedata
[pnote
->note
.namesz
- 1] != 0)
2295 err
= _("corrupt GNU build attribute note: name not NUL terminated");
2304 /* Check that the notes are valid. */
2307 err
= _("corrupt GNU build attribute notes: excess data at end");
2311 if (version_1_seen
== 0 && version_2_seen
== 0 && version_3_seen
== 0)
2314 err
= _("bad GNU build attribute notes: no known versions detected");
2317 /* This happens with glibc. No idea why. */
2318 non_fatal (_("%s[%s]: Warning: version note missing - assuming version 3"),
2319 bfd_get_filename (abfd
), bfd_section_name (sec
));
2324 if ( (version_1_seen
> 0 && version_2_seen
> 0)
2325 || (version_1_seen
> 0 && version_3_seen
> 0)
2326 || (version_2_seen
> 0 && version_3_seen
> 0))
2328 err
= _("bad GNU build attribute notes: multiple different versions");
2332 /* We are now only supporting the merging v3+ notes
2333 - it makes things much simpler. */
2334 if (version_3_seen
== 0)
2336 merge_debug ("%s: skipping merge - not using v3 notes", bfd_section_name (sec
));
2340 merge_debug ("Merging section %s which contains %ld notes\n",
2341 sec
->name
, pnotes_end
- pnotes
);
2343 /* Sort the notes. */
2344 qsort (pnotes
, pnotes_end
- pnotes
, sizeof (* pnotes
),
2345 compare_gnu_build_notes
);
2348 merge_debug ("Results of initial sort:\n");
2349 for (pnote
= pnotes
; pnote
< pnotes_end
; pnote
++)
2350 merge_debug ("offset %#08lx range %#08lx..%#08lx type %ld attribute %d namesz %ld\n",
2351 (pnote
->note
.namedata
- (char *) contents
) - 12,
2352 pnote
->start
, pnote
->end
,
2354 pnote
->note
.namedata
[3],
2359 /* Now merge the notes. The rules are:
2360 1. If a note has a zero range, it can be eliminated.
2361 2. If two notes have the same namedata then:
2362 2a. If one note's range is fully covered by the other note
2363 then it can be deleted.
2364 2b. If one note's range partially overlaps or adjoins the
2365 other note then if they are both of the same type (open
2366 or func) then they can be merged and one deleted. If
2367 they are of different types then they cannot be merged. */
2368 for (pnote
= pnotes
; pnote
< pnotes_end
; pnote
++)
2370 /* Skip already deleted notes.
2371 FIXME: Can this happen ? We are scanning forwards and
2372 deleting backwards after all. */
2373 if (is_deleted_note (pnote
))
2376 /* Rule 1 - delete 0-range notes. */
2377 if (pnote
->start
== pnote
->end
)
2379 merge_debug ("Delete note at offset %#08lx - empty range\n",
2380 (pnote
->note
.namedata
- (char *) contents
) - 12);
2381 pnote
->note
.type
= 0;
2386 objcopy_internal_note
* back
;
2388 /* Rule 2: Check to see if there is an identical previous note. */
2389 for (iter
= 0, back
= pnote
- 1; back
>= pnotes
; back
--)
2391 if (is_deleted_note (back
))
2394 /* Our sorting function should have placed all identically
2395 attributed notes together, so if we see a note of a different
2396 attribute type stop searching. */
2397 if (back
->note
.namesz
!= pnote
->note
.namesz
2398 || memcmp (back
->note
.namedata
,
2399 pnote
->note
.namedata
, pnote
->note
.namesz
) != 0)
2402 if (back
->start
== pnote
->start
2403 && back
->end
== pnote
->end
)
2405 merge_debug ("Delete note at offset %#08lx - duplicate of note at offset %#08lx\n",
2406 (pnote
->note
.namedata
- (char *) contents
) - 12,
2407 (back
->note
.namedata
- (char *) contents
) - 12);
2408 pnote
->note
.type
= 0;
2413 if (contained_by (pnote
, back
))
2415 merge_debug ("Delete note at offset %#08lx - fully contained by note at %#08lx\n",
2416 (pnote
->note
.namedata
- (char *) contents
) - 12,
2417 (back
->note
.namedata
- (char *) contents
) - 12);
2418 pnote
->note
.type
= 0;
2423 /* This should not happen as we have sorted the
2424 notes with earlier starting addresses first. */
2425 if (contained_by (back
, pnote
))
2426 merge_debug ("ERROR: UNEXPECTED CONTAINMENT\n");
2430 if (overlaps_or_adjoins (back
, pnote
)
2431 && is_func_note (back
) == is_func_note (pnote
))
2433 merge_debug ("Delete note at offset %#08lx - merge into note at %#08lx\n",
2434 (pnote
->note
.namedata
- (char *) contents
) - 12,
2435 (back
->note
.namedata
- (char *) contents
) - 12);
2437 back
->end
= back
->end
> pnote
->end
? back
->end
: pnote
->end
;
2438 back
->start
= back
->start
< pnote
->start
? back
->start
: pnote
->start
;
2439 pnote
->note
.type
= 0;
2443 /* Don't scan too far back however. */
2446 /* FIXME: Not sure if this can ever be triggered. */
2447 merge_debug ("ITERATION LIMIT REACHED\n");
2452 if (! is_deleted_note (pnote
))
2453 merge_debug ("Unable to do anything with note at %#08lx\n",
2454 (pnote
->note
.namedata
- (char *) contents
) - 12);
2458 /* Resort the notes. */
2459 merge_debug ("Final sorting of notes\n");
2460 qsort (pnotes
, pnotes_end
- pnotes
, sizeof (* pnotes
), sort_gnu_build_notes
);
2462 /* Reconstruct the ELF notes. */
2463 bfd_byte
* new_contents
;
2466 bfd_size_type new_size
;
2467 bfd_vma prev_start
= 0;
2468 bfd_vma prev_end
= 0;
2470 /* Not sure how, but the notes might grow in size.
2471 (eg see PR 1774507). Allow for this here. */
2472 new = new_contents
= xmalloc (size
* 2);
2473 for (pnote
= pnotes
, old
= contents
;
2477 bfd_size_type note_size
= 12 + pnote
->padded_namesz
+ pnote
->note
.descsz
;
2479 if (! is_deleted_note (pnote
))
2481 /* Create the note, potentially using the
2482 address range of the previous note. */
2483 if (pnote
->start
== prev_start
&& pnote
->end
== prev_end
)
2485 bfd_put_32 (abfd
, pnote
->note
.namesz
, new);
2486 bfd_put_32 (abfd
, 0, new + 4);
2487 bfd_put_32 (abfd
, pnote
->note
.type
, new + 8);
2489 memcpy (new, pnote
->note
.namedata
, pnote
->note
.namesz
);
2490 if (pnote
->note
.namesz
< pnote
->padded_namesz
)
2491 memset (new + pnote
->note
.namesz
, 0, pnote
->padded_namesz
- pnote
->note
.namesz
);
2492 new += pnote
->padded_namesz
;
2496 bfd_put_32 (abfd
, pnote
->note
.namesz
, new);
2497 bfd_put_32 (abfd
, is_64bit (abfd
) ? 16 : 8, new + 4);
2498 bfd_put_32 (abfd
, pnote
->note
.type
, new + 8);
2500 memcpy (new, pnote
->note
.namedata
, pnote
->note
.namesz
);
2501 if (pnote
->note
.namesz
< pnote
->padded_namesz
)
2502 memset (new + pnote
->note
.namesz
, 0, pnote
->padded_namesz
- pnote
->note
.namesz
);
2503 new += pnote
->padded_namesz
;
2504 if (is_64bit (abfd
))
2506 bfd_put_64 (abfd
, pnote
->start
, new);
2507 bfd_put_64 (abfd
, pnote
->end
, new + 8);
2512 bfd_put_32 (abfd
, pnote
->start
, new);
2513 bfd_put_32 (abfd
, pnote
->end
, new + 4);
2517 prev_start
= pnote
->start
;
2518 prev_end
= pnote
->end
;
2526 merge_debug ("Results of merge:\n");
2527 for (pnote
= pnotes
; pnote
< pnotes_end
; pnote
++)
2528 if (! is_deleted_note (pnote
))
2529 merge_debug ("offset %#08lx range %#08lx..%#08lx type %ld attribute %d namesz %ld\n",
2530 (pnote
->note
.namedata
- (char *) contents
) - 12,
2531 pnote
->start
, pnote
->end
,
2533 pnote
->note
.namedata
[3],
2538 new_size
= new - new_contents
;
2539 if (new_size
< size
)
2541 memcpy (contents
, new_contents
, new_size
);
2544 free (new_contents
);
2549 bfd_set_error (bfd_error_bad_value
);
2550 bfd_nonfatal_message (NULL
, abfd
, sec
, err
);
2559 check_new_section_flags (flagword flags
, bfd
* abfd
, const char * secname
)
2561 /* Only set the SEC_COFF_SHARED flag on COFF files.
2562 The same bit value is used by ELF targets to indicate
2563 compressed sections, and setting that flag here breaks
2565 if ((flags
& SEC_COFF_SHARED
)
2566 && bfd_get_flavour (abfd
) != bfd_target_coff_flavour
)
2568 non_fatal (_("%s[%s]: Note - dropping 'share' flag as output format is not COFF"),
2569 bfd_get_filename (abfd
), secname
);
2570 flags
&= ~ SEC_COFF_SHARED
;
2575 /* Copy object file IBFD onto OBFD.
2576 Returns TRUE upon success, FALSE otherwise. */
2579 copy_object (bfd
*ibfd
, bfd
*obfd
, const bfd_arch_info_type
*input_arch
)
2583 asection
**osections
= NULL
;
2585 asection
*gnu_debuglink_section
= NULL
;
2586 bfd_size_type
*gaps
= NULL
;
2587 bfd_size_type max_gap
= 0;
2590 enum bfd_architecture iarch
;
2592 unsigned int num_sec
, i
;
2594 if (ibfd
->xvec
->byteorder
!= obfd
->xvec
->byteorder
2595 && ibfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
2596 && obfd
->xvec
->byteorder
!= BFD_ENDIAN_UNKNOWN
)
2598 /* PR 17636: Call non-fatal so that we return to our parent who
2599 may need to tidy temporary files. */
2600 non_fatal (_("unable to change endianness of '%s'"),
2601 bfd_get_archive_filename (ibfd
));
2605 if (ibfd
->read_only
)
2607 non_fatal (_("unable to modify '%s' due to errors"),
2608 bfd_get_archive_filename (ibfd
));
2612 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
2614 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
2618 if (ibfd
->sections
== NULL
)
2620 non_fatal (_("error: the input file '%s' has no sections"),
2621 bfd_get_archive_filename (ibfd
));
2625 if (bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
)
2627 if ((do_debug_sections
& compress
) != 0
2628 && do_debug_sections
!= compress
)
2630 non_fatal (_("--compress-debug-sections=[zlib|zlib-gnu|zlib-gabi] is unsupported on `%s'"),
2631 bfd_get_archive_filename (ibfd
));
2635 if (do_elf_stt_common
)
2637 non_fatal (_("--elf-stt-common=[yes|no] is unsupported on `%s'"),
2638 bfd_get_archive_filename (ibfd
));
2644 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
2645 bfd_get_archive_filename (ibfd
), bfd_get_target (ibfd
),
2646 bfd_get_filename (obfd
), bfd_get_target (obfd
));
2655 start
= bfd_get_start_address (ibfd
);
2656 start
+= change_start
;
2659 /* Neither the start address nor the flags
2660 need to be set for a core file. */
2661 if (bfd_get_format (obfd
) != bfd_core
)
2665 flags
= bfd_get_file_flags (ibfd
);
2666 flags
|= bfd_flags_to_set
;
2667 flags
&= ~bfd_flags_to_clear
;
2668 flags
&= bfd_applicable_file_flags (obfd
);
2670 if (strip_symbols
== STRIP_ALL
)
2671 flags
&= ~HAS_RELOC
;
2673 if (!bfd_set_start_address (obfd
, start
)
2674 || !bfd_set_file_flags (obfd
, flags
))
2676 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
2681 /* Copy architecture of input file to output file. */
2682 iarch
= bfd_get_arch (ibfd
);
2683 imach
= bfd_get_mach (ibfd
);
2686 if (iarch
== bfd_arch_unknown
)
2688 iarch
= input_arch
->arch
;
2689 imach
= input_arch
->mach
;
2692 non_fatal (_("Input file `%s' ignores binary architecture parameter."),
2693 bfd_get_archive_filename (ibfd
));
2695 if (iarch
== bfd_arch_unknown
2696 && bfd_get_flavour (ibfd
) != bfd_target_elf_flavour
2697 && bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
2699 const struct elf_backend_data
*bed
= get_elf_backend_data (obfd
);
2703 if (!bfd_set_arch_mach (obfd
, iarch
, imach
)
2704 && (ibfd
->target_defaulted
2705 || bfd_get_arch (ibfd
) != bfd_get_arch (obfd
)))
2707 if (bfd_get_arch (ibfd
) == bfd_arch_unknown
)
2708 non_fatal (_("Unable to recognise the format of the input file `%s'"),
2709 bfd_get_archive_filename (ibfd
));
2711 non_fatal (_("Output file cannot represent architecture `%s'"),
2712 bfd_printable_arch_mach (bfd_get_arch (ibfd
),
2713 bfd_get_mach (ibfd
)));
2717 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
2719 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
2723 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
2724 && bfd_pei_p (obfd
))
2726 /* Set up PE parameters. */
2727 pe_data_type
*pe
= pe_data (obfd
);
2729 /* Copy PE parameters before changing them. */
2730 if (bfd_get_flavour (ibfd
) == bfd_target_coff_flavour
2731 && bfd_pei_p (ibfd
))
2732 pe
->pe_opthdr
= pe_data (ibfd
)->pe_opthdr
;
2734 if (pe_file_alignment
!= (bfd_vma
) -1)
2735 pe
->pe_opthdr
.FileAlignment
= pe_file_alignment
;
2737 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
2739 if (pe_heap_commit
!= (bfd_vma
) -1)
2740 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_commit
;
2742 if (pe_heap_reserve
!= (bfd_vma
) -1)
2743 pe
->pe_opthdr
.SizeOfHeapCommit
= pe_heap_reserve
;
2745 if (pe_image_base
!= (bfd_vma
) -1)
2746 pe
->pe_opthdr
.ImageBase
= pe_image_base
;
2748 if (pe_section_alignment
!= (bfd_vma
) -1)
2749 pe
->pe_opthdr
.SectionAlignment
= pe_section_alignment
;
2751 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
2753 if (pe_stack_commit
!= (bfd_vma
) -1)
2754 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_commit
;
2756 if (pe_stack_reserve
!= (bfd_vma
) -1)
2757 pe
->pe_opthdr
.SizeOfStackCommit
= pe_stack_reserve
;
2759 if (pe_subsystem
!= -1)
2760 pe
->pe_opthdr
.Subsystem
= pe_subsystem
;
2762 if (pe_major_subsystem_version
!= -1)
2763 pe
->pe_opthdr
.MajorSubsystemVersion
= pe_major_subsystem_version
;
2765 if (pe_minor_subsystem_version
!= -1)
2766 pe
->pe_opthdr
.MinorSubsystemVersion
= pe_minor_subsystem_version
;
2768 if (pe_file_alignment
> pe_section_alignment
)
2770 char file_alignment
[20], section_alignment
[20];
2772 sprintf_vma (file_alignment
, pe_file_alignment
);
2773 sprintf_vma (section_alignment
, pe_section_alignment
);
2774 non_fatal (_("warning: file alignment (0x%s) > section alignment (0x%s)"),
2776 file_alignment
, section_alignment
);
2780 && bfd_get_flavour (ibfd
) == bfd_target_coff_flavour
2781 && bfd_pei_p (ibfd
))
2782 pe
->timestamp
= pe_data (ibfd
)->coff
.timestamp
;
2787 if (osympp
!= isympp
)
2793 symsize
= bfd_get_symtab_upper_bound (ibfd
);
2796 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
2800 osympp
= isympp
= (asymbol
**) xmalloc (symsize
);
2801 symcount
= bfd_canonicalize_symtab (ibfd
, isympp
);
2804 bfd_nonfatal_message (NULL
, ibfd
, NULL
, NULL
);
2807 /* PR 17512: file: d6323821
2808 If the symbol table could not be loaded do not pretend that we have
2809 any symbols. This trips us up later on when we load the relocs. */
2813 osympp
= isympp
= NULL
;
2816 /* BFD mandates that all output sections be created and sizes set before
2817 any output is done. Thus, we traverse all sections multiple times. */
2818 bfd_map_over_sections (ibfd
, setup_section
, obfd
);
2820 if (!extract_symbol
)
2821 setup_bfd_headers (ibfd
, obfd
);
2823 if (add_sections
!= NULL
)
2825 struct section_add
*padd
;
2826 struct section_list
*pset
;
2828 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
2832 pset
= find_section_list (padd
->name
, FALSE
,
2833 SECTION_CONTEXT_SET_FLAGS
);
2836 flags
= pset
->flags
| SEC_HAS_CONTENTS
;
2837 flags
= check_new_section_flags (flags
, obfd
, padd
->name
);
2840 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DATA
;
2842 /* bfd_make_section_with_flags() does not return very helpful
2843 error codes, so check for the most likely user error first. */
2844 if (bfd_get_section_by_name (obfd
, padd
->name
))
2846 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2847 _("can't add section '%s'"), padd
->name
);
2852 /* We use LINKER_CREATED here so that the backend hooks
2853 will create any special section type information,
2854 instead of presuming we know what we're doing merely
2855 because we set the flags. */
2856 padd
->section
= bfd_make_section_with_flags
2857 (obfd
, padd
->name
, flags
| SEC_LINKER_CREATED
);
2858 if (padd
->section
== NULL
)
2860 bfd_nonfatal_message (NULL
, obfd
, NULL
,
2861 _("can't create section `%s'"),
2867 if (!bfd_set_section_size (padd
->section
, padd
->size
))
2869 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
2873 pset
= find_section_list (padd
->name
, FALSE
,
2874 SECTION_CONTEXT_SET_VMA
| SECTION_CONTEXT_ALTER_VMA
);
2876 && !bfd_set_section_vma (padd
->section
, pset
->vma_val
))
2878 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
2882 pset
= find_section_list (padd
->name
, FALSE
,
2883 SECTION_CONTEXT_SET_LMA
| SECTION_CONTEXT_ALTER_LMA
);
2886 padd
->section
->lma
= pset
->lma_val
;
2888 if (!bfd_set_section_alignment
2889 (padd
->section
, bfd_section_alignment (padd
->section
)))
2891 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
2898 if (update_sections
!= NULL
)
2900 struct section_add
*pupdate
;
2902 for (pupdate
= update_sections
;
2904 pupdate
= pupdate
->next
)
2906 pupdate
->section
= bfd_get_section_by_name (ibfd
, pupdate
->name
);
2907 if (pupdate
->section
== NULL
)
2909 non_fatal (_("error: %s not found, can't be updated"), pupdate
->name
);
2913 osec
= pupdate
->section
->output_section
;
2914 if (!bfd_set_section_size (osec
, pupdate
->size
))
2916 bfd_nonfatal_message (NULL
, obfd
, osec
, NULL
);
2922 merged_note_section
* merged_note_sections
= NULL
;
2925 /* This palaver is necessary because we must set the output
2926 section size first, before its contents are ready. */
2927 for (osec
= ibfd
->sections
; osec
!= NULL
; osec
= osec
->next
)
2929 if (! is_mergeable_note_section (ibfd
, osec
))
2932 /* If the section is going to be completly deleted then
2933 do not bother to merge it. */
2934 if (osec
->output_section
== NULL
)
2937 bfd_size_type size
= bfd_section_size (osec
);
2941 bfd_nonfatal_message (NULL
, ibfd
, osec
,
2942 _("warning: note section is empty"));
2946 merged_note_section
* merged
= xmalloc (sizeof * merged
);
2947 merged
->contents
= NULL
;
2948 if (! bfd_get_full_section_contents (ibfd
, osec
, & merged
->contents
))
2950 bfd_nonfatal_message (NULL
, ibfd
, osec
,
2951 _("warning: could not load note section"));
2956 merged
->size
= merge_gnu_build_notes (ibfd
, osec
, size
,
2959 /* FIXME: Once we have read the contents in, we must write
2960 them out again. So even if the mergeing has achieved
2961 nothing we still add this entry to the merge list. */
2963 if (size
!= merged
->size
2964 && !bfd_set_section_size (osec
->output_section
, merged
->size
))
2966 bfd_nonfatal_message (NULL
, obfd
, osec
,
2967 _("warning: failed to set merged notes size"));
2968 free (merged
->contents
);
2973 /* Add section to list of merged sections. */
2975 merged
->next
= merged_note_sections
;
2976 merged_note_sections
= merged
;
2980 if (dump_sections
!= NULL
)
2982 struct section_add
* pdump
;
2984 for (pdump
= dump_sections
; pdump
!= NULL
; pdump
= pdump
->next
)
2989 osec
= bfd_get_section_by_name (ibfd
, pdump
->name
);
2992 bfd_nonfatal_message (NULL
, ibfd
, NULL
,
2993 _("can't dump section '%s' - it does not exist"),
2998 if ((bfd_section_flags (osec
) & SEC_HAS_CONTENTS
) == 0)
3000 bfd_nonfatal_message (NULL
, ibfd
, osec
,
3001 _("can't dump section - it has no contents"));
3005 bfd_size_type size
= bfd_section_size (osec
);
3006 /* Note - we allow the dumping of zero-sized sections,
3007 creating an empty file. */
3009 f
= fopen (pdump
->filename
, FOPEN_WB
);
3012 bfd_nonfatal_message (pdump
->filename
, NULL
, NULL
,
3013 _("could not open section dump file"));
3017 if (bfd_malloc_and_get_section (ibfd
, osec
, &contents
))
3019 if (size
!= 0 && fwrite (contents
, 1, size
, f
) != size
)
3021 non_fatal (_("error writing section contents to %s (error: %s)"),
3030 bfd_nonfatal_message (NULL
, ibfd
, osec
,
3031 _("could not retrieve section contents"));
3038 if (gnu_debuglink_filename
!= NULL
)
3040 /* PR 15125: Give a helpful warning message if
3041 the debuglink section already exists, and
3042 allow the rest of the copy to complete. */
3043 if (bfd_get_section_by_name (obfd
, ".gnu_debuglink"))
3045 non_fatal (_("%s: debuglink section already exists"),
3046 bfd_get_filename (obfd
));
3047 gnu_debuglink_filename
= NULL
;
3051 gnu_debuglink_section
= bfd_create_gnu_debuglink_section
3052 (obfd
, gnu_debuglink_filename
);
3054 if (gnu_debuglink_section
== NULL
)
3056 bfd_nonfatal_message (NULL
, obfd
, NULL
,
3057 _("cannot create debug link section `%s'"),
3058 gnu_debuglink_filename
);
3062 /* Special processing for PE format files. We
3063 have no way to distinguish PE from COFF here. */
3064 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
)
3066 bfd_vma debuglink_vma
;
3067 asection
* highest_section
;
3069 /* The PE spec requires that all sections be adjacent and sorted
3070 in ascending order of VMA. It also specifies that debug
3071 sections should be last. This is despite the fact that debug
3072 sections are not loaded into memory and so in theory have no
3075 This means that the debuglink section must be given a non-zero
3076 VMA which makes it contiguous with other debug sections. So
3077 walk the current section list, find the section with the
3078 highest VMA and start the debuglink section after that one. */
3079 for (osec
= obfd
->sections
, highest_section
= NULL
;
3083 && (highest_section
== NULL
3084 || osec
->vma
> highest_section
->vma
))
3085 highest_section
= osec
;
3087 if (highest_section
)
3088 debuglink_vma
= BFD_ALIGN (highest_section
->vma
3089 + highest_section
->size
,
3090 /* FIXME: We ought to be using
3091 COFF_PAGE_SIZE here or maybe
3092 bfd_section_alignment() (if it
3093 was set) but since this is for PE
3094 and we know the required alignment
3095 it is easier just to hard code it. */
3098 /* Umm, not sure what to do in this case. */
3099 debuglink_vma
= 0x1000;
3101 bfd_set_section_vma (gnu_debuglink_section
, debuglink_vma
);
3106 num_sec
= bfd_count_sections (obfd
);
3108 && (gap_fill_set
|| pad_to_set
))
3112 /* We must fill in gaps between the sections and/or we must pad
3113 the last section to a specified address. We do this by
3114 grabbing a list of the sections, sorting them by VMA, and
3115 increasing the section sizes as required to fill the gaps.
3116 We write out the gap contents below. */
3118 osections
= xmalloc (num_sec
* sizeof (*osections
));
3120 bfd_map_over_sections (obfd
, get_sections
, &set
);
3122 qsort (osections
, num_sec
, sizeof (*osections
), compare_section_lma
);
3124 gaps
= xmalloc (num_sec
* sizeof (*gaps
));
3125 memset (gaps
, 0, num_sec
* sizeof (*gaps
));
3129 for (i
= 0; i
< num_sec
- 1; i
++)
3132 bfd_size_type size
; /* Octets. */
3133 bfd_vma gap_start
, gap_stop
; /* Octets. */
3134 unsigned int opb1
= bfd_octets_per_byte (obfd
, osections
[i
]);
3135 unsigned int opb2
= bfd_octets_per_byte (obfd
, osections
[i
+1]);
3137 flags
= bfd_section_flags (osections
[i
]);
3138 if ((flags
& SEC_HAS_CONTENTS
) == 0
3139 || (flags
& SEC_LOAD
) == 0)
3142 size
= bfd_section_size (osections
[i
]);
3143 gap_start
= bfd_section_lma (osections
[i
]) * opb1
+ size
;
3144 gap_stop
= bfd_section_lma (osections
[i
+ 1]) * opb2
;
3145 if (gap_start
< gap_stop
)
3147 if (!bfd_set_section_size (osections
[i
],
3148 size
+ (gap_stop
- gap_start
)))
3150 bfd_nonfatal_message (NULL
, obfd
, osections
[i
],
3151 _("Can't fill gap after section"));
3155 gaps
[i
] = gap_stop
- gap_start
;
3156 if (max_gap
< gap_stop
- gap_start
)
3157 max_gap
= gap_stop
- gap_start
;
3164 bfd_vma lma
; /* Octets. */
3165 bfd_size_type size
; /* Octets. */
3166 unsigned int opb
= bfd_octets_per_byte (obfd
, osections
[num_sec
- 1]);
3167 bfd_vma _pad_to
= pad_to
* opb
;
3169 lma
= bfd_section_lma (osections
[num_sec
- 1]) * opb
;
3170 size
= bfd_section_size (osections
[num_sec
- 1]);
3171 if (lma
+ size
< _pad_to
)
3173 if (!bfd_set_section_size (osections
[num_sec
- 1], _pad_to
- lma
))
3175 bfd_nonfatal_message (NULL
, obfd
, osections
[num_sec
- 1],
3176 _("can't add padding"));
3181 gaps
[num_sec
- 1] = _pad_to
- (lma
+ size
);
3182 if (max_gap
< _pad_to
- (lma
+ size
))
3183 max_gap
= _pad_to
- (lma
+ size
);
3189 /* Symbol filtering must happen after the output sections
3190 have been created, but before their contents are set. */
3192 if (convert_debugging
)
3193 dhandle
= read_debugging_info (ibfd
, isympp
, symcount
, FALSE
);
3195 if ((obfd
->flags
& (EXEC_P
| DYNAMIC
)) != 0
3196 && (obfd
->flags
& HAS_RELOC
) == 0)
3198 if (bfd_keep_unused_section_symbols (obfd
))
3200 /* Non-relocatable inputs may not have the unused section
3201 symbols. Mark all section symbols as used to generate
3204 for (asect
= obfd
->sections
; asect
!= NULL
; asect
= asect
->next
)
3206 asect
->symbol
->flags
|= BSF_SECTION_SYM_USED
;
3210 /* Non-relocatable inputs may have the unused section symbols.
3211 Mark all section symbols as unused to excluded them. */
3213 for (s
= 0; s
< symcount
; s
++)
3214 if ((isympp
[s
]->flags
& BSF_SECTION_SYM_USED
))
3215 isympp
[s
]->flags
&= ~BSF_SECTION_SYM_USED
;
3219 if (strip_symbols
== STRIP_DEBUG
3220 || strip_symbols
== STRIP_ALL
3221 || strip_symbols
== STRIP_UNNEEDED
3222 || strip_symbols
== STRIP_NONDEBUG
3223 || strip_symbols
== STRIP_DWO
3224 || strip_symbols
== STRIP_NONDWO
3225 || discard_locals
!= LOCALS_UNDEF
3227 || htab_elements (strip_specific_htab
) != 0
3228 || htab_elements (keep_specific_htab
) != 0
3229 || htab_elements (localize_specific_htab
) != 0
3230 || htab_elements (globalize_specific_htab
) != 0
3231 || htab_elements (keepglobal_specific_htab
) != 0
3232 || htab_elements (weaken_specific_htab
) != 0
3233 || htab_elements (redefine_specific_htab
) != 0
3234 || prefix_symbols_string
3237 || convert_debugging
3238 || change_leading_char
3239 || remove_leading_char
3240 || section_rename_list
3244 /* Mark symbols used in output relocations so that they
3245 are kept, even if they are local labels or static symbols.
3247 Note we iterate over the input sections examining their
3248 relocations since the relocations for the output sections
3249 haven't been set yet. mark_symbols_used_in_relocations will
3250 ignore input sections which have no corresponding output
3252 if (strip_symbols
!= STRIP_ALL
)
3254 bfd_set_error (bfd_error_no_error
);
3255 bfd_map_over_sections (ibfd
,
3256 mark_symbols_used_in_relocations
,
3258 if (bfd_get_error () != bfd_error_no_error
)
3265 osympp
= (asymbol
**) xmalloc ((symcount
+ add_symbols
+ 1) * sizeof (asymbol
*));
3266 symcount
= filter_symbols (ibfd
, obfd
, osympp
, isympp
, symcount
);
3269 if (convert_debugging
&& dhandle
!= NULL
)
3273 res
= write_debugging_info (obfd
, dhandle
, &symcount
, &osympp
);
3276 dhandle
= NULL
; /* Paranoia... */
3285 bfd_set_symtab (obfd
, osympp
, symcount
);
3287 /* This has to happen before section positions are set. */
3288 bfd_map_over_sections (ibfd
, copy_relocations_in_section
, obfd
);
3290 /* This has to happen after the symbol table has been set. */
3291 bfd_map_over_sections (ibfd
, copy_section
, obfd
);
3293 if (add_sections
!= NULL
)
3295 struct section_add
*padd
;
3297 for (padd
= add_sections
; padd
!= NULL
; padd
= padd
->next
)
3299 if (! bfd_set_section_contents (obfd
, padd
->section
, padd
->contents
,
3302 bfd_nonfatal_message (NULL
, obfd
, padd
->section
, NULL
);
3308 if (update_sections
!= NULL
)
3310 struct section_add
*pupdate
;
3312 for (pupdate
= update_sections
;
3314 pupdate
= pupdate
->next
)
3316 osec
= pupdate
->section
->output_section
;
3317 if (! bfd_set_section_contents (obfd
, osec
, pupdate
->contents
,
3320 bfd_nonfatal_message (NULL
, obfd
, osec
, NULL
);
3326 if (merged_note_sections
!= NULL
)
3328 merged_note_section
* merged
= NULL
;
3330 for (osec
= obfd
->sections
; osec
!= NULL
; osec
= osec
->next
)
3332 if (! is_mergeable_note_section (obfd
, osec
))
3336 merged
= merged_note_sections
;
3338 /* It is likely that output sections are in the same order
3339 as the input sections, but do not assume that this is
3341 if (merged
->sec
->output_section
!= osec
)
3343 for (merged
= merged_note_sections
;
3345 merged
= merged
->next
)
3346 if (merged
->sec
->output_section
== osec
)
3351 bfd_nonfatal_message
3353 _("error: failed to locate merged notes"));
3358 if (merged
->contents
== NULL
)
3360 bfd_nonfatal_message
3362 _("error: failed to merge notes"));
3366 if (! bfd_set_section_contents (obfd
, osec
, merged
->contents
, 0,
3369 bfd_nonfatal_message
3371 _("error: failed to copy merged notes into output"));
3375 merged
= merged
->next
;
3378 /* Free the memory. */
3379 merged_note_section
* next
;
3380 for (merged
= merged_note_sections
; merged
!= NULL
; merged
= next
)
3382 next
= merged
->next
;
3383 free (merged
->contents
);
3387 else if (merge_notes
&& ! is_strip
)
3388 non_fatal (_("%s: Could not find any mergeable note sections"),
3389 bfd_get_filename (ibfd
));
3391 if (gnu_debuglink_filename
!= NULL
)
3393 if (! bfd_fill_in_gnu_debuglink_section
3394 (obfd
, gnu_debuglink_section
, gnu_debuglink_filename
))
3396 bfd_nonfatal_message (NULL
, obfd
, NULL
,
3397 _("cannot fill debug link section `%s'"),
3398 gnu_debuglink_filename
);
3407 /* Fill in the gaps. */
3410 buf
= (bfd_byte
*) xmalloc (max_gap
);
3411 memset (buf
, gap_fill
, max_gap
);
3413 for (i
= 0; i
< num_sec
; i
++)
3421 off
= bfd_section_size (osections
[i
]) - left
;
3432 if (! bfd_set_section_contents (obfd
, osections
[i
], buf
,
3435 bfd_nonfatal_message (NULL
, obfd
, osections
[i
], NULL
);
3451 /* Allow the BFD backend to copy any private data it understands
3452 from the input BFD to the output BFD. This is done last to
3453 permit the routine to look at the filtered symbol table, which is
3454 important for the ECOFF code at least. */
3455 if (! bfd_copy_private_bfd_data (ibfd
, obfd
))
3457 bfd_nonfatal_message (NULL
, obfd
, NULL
,
3458 _("error copying private BFD data"));
3462 /* Switch to the alternate machine code. We have to do this at the
3463 very end, because we only initialize the header when we create
3464 the first section. */
3465 if (use_alt_mach_code
!= 0)
3467 if (! bfd_alt_mach_code (obfd
, use_alt_mach_code
))
3469 non_fatal (_("this target does not support %lu alternative machine codes"),
3471 if (bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
3473 non_fatal (_("treating that number as an absolute e_machine value instead"));
3474 elf_elfheader (obfd
)->e_machine
= use_alt_mach_code
;
3477 non_fatal (_("ignoring the alternative value"));
3484 /* Read each archive element in turn from IBFD, copy the
3485 contents to temp file, and keep the temp file handle.
3486 If 'force_output_target' is TRUE then make sure that
3487 all elements in the new archive are of the type
3491 copy_archive (bfd
*ibfd
, bfd
*obfd
, const char *output_target
,
3492 bfd_boolean force_output_target
,
3493 const bfd_arch_info_type
*input_arch
)
3497 struct name_list
*next
;
3501 bfd
**ptr
= &obfd
->archive_head
;
3504 const char *filename
;
3506 /* PR 24281: It is not clear what should happen when copying a thin archive.
3507 One part is straight forward - if the output archive is in a different
3508 directory from the input archive then any relative paths in the library
3509 should be adjusted to the new location. But if any transformation
3510 options are active (eg strip, rename, add, etc) then the implication is
3511 that these should be applied to the files pointed to by the archive.
3512 But since objcopy is not destructive, this means that new files must be
3513 created, and there is no guidance for the names of the new files. (Plus
3514 this conflicts with one of the goals of thin libraries - only taking up
3515 a minimal amount of space in the file system).
3517 So for now we fail if an attempt is made to copy such libraries. */
3518 if (ibfd
->is_thin_archive
)
3521 bfd_set_error (bfd_error_invalid_operation
);
3522 bfd_nonfatal_message (NULL
, ibfd
, NULL
,
3523 _("sorry: copying thin archives is not currently supported"));
3527 /* Make a temp directory to hold the contents. */
3528 dir
= make_tempdir (bfd_get_filename (obfd
));
3530 fatal (_("cannot create tempdir for archive copying (error: %s)"),
3533 if (strip_symbols
== STRIP_ALL
)
3534 obfd
->has_armap
= FALSE
;
3536 obfd
->has_armap
= ibfd
->has_armap
;
3537 obfd
->is_thin_archive
= ibfd
->is_thin_archive
;
3540 obfd
->flags
|= BFD_DETERMINISTIC_OUTPUT
;
3544 this_element
= bfd_openr_next_archived_file (ibfd
, NULL
);
3546 if (!bfd_set_format (obfd
, bfd_get_format (ibfd
)))
3549 bfd_nonfatal_message (NULL
, obfd
, NULL
, NULL
);
3550 goto cleanup_and_exit
;
3553 while (!status
&& this_element
!= NULL
)
3559 int stat_status
= 0;
3560 bfd_boolean del
= TRUE
;
3561 bfd_boolean ok_object
;
3563 /* PR binutils/17533: Do not allow directory traversal
3564 outside of the current directory tree by archive members. */
3565 if (! is_valid_archive_path (bfd_get_filename (this_element
)))
3567 non_fatal (_("illegal pathname found in archive member: %s"),
3568 bfd_get_filename (this_element
));
3570 goto cleanup_and_exit
;
3573 /* Create an output file for this member. */
3574 output_name
= concat (dir
, "/",
3575 bfd_get_filename (this_element
), (char *) 0);
3577 /* If the file already exists, make another temp dir. */
3578 if (stat (output_name
, &buf
) >= 0)
3580 char * tmpdir
= make_tempdir (output_name
);
3585 non_fatal (_("cannot create tempdir for archive copying (error: %s)"),
3588 goto cleanup_and_exit
;
3591 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
3596 output_name
= concat (tmpdir
, "/",
3597 bfd_get_filename (this_element
), (char *) 0);
3602 stat_status
= bfd_stat_arch_elt (this_element
, &buf
);
3604 if (stat_status
!= 0)
3605 non_fatal (_("internal stat error on %s"),
3606 bfd_get_filename (this_element
));
3609 l
= (struct name_list
*) xmalloc (sizeof (struct name_list
));
3610 l
->name
= output_name
;
3615 ok_object
= bfd_check_format (this_element
, bfd_object
);
3617 bfd_nonfatal_message (NULL
, this_element
, NULL
,
3618 _("Unable to recognise the format of file"));
3620 /* PR binutils/3110: Cope with archives
3621 containing multiple target types. */
3622 if (force_output_target
|| !ok_object
)
3623 output_bfd
= bfd_openw (output_name
, output_target
);
3625 output_bfd
= bfd_openw (output_name
, bfd_get_target (this_element
));
3627 if (output_bfd
== NULL
)
3629 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
3631 goto cleanup_and_exit
;
3636 del
= !copy_object (this_element
, output_bfd
, input_arch
);
3638 if (del
&& bfd_get_arch (this_element
) == bfd_arch_unknown
)
3639 /* Try again as an unknown object file. */
3641 else if (!bfd_close (output_bfd
))
3643 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
3644 /* Error in new object file. Don't change archive. */
3651 del
= !copy_unknown_object (this_element
, output_bfd
);
3652 if (!bfd_close_all_done (output_bfd
))
3654 bfd_nonfatal_message (output_name
, NULL
, NULL
, NULL
);
3655 /* Error in new object file. Don't change archive. */
3662 unlink (output_name
);
3667 if (preserve_dates
&& stat_status
== 0)
3668 set_times (output_name
, &buf
);
3670 /* Open the newly output file and attach to our list. */
3671 output_bfd
= bfd_openr (output_name
, output_target
);
3673 l
->obfd
= output_bfd
;
3676 ptr
= &output_bfd
->archive_next
;
3678 last_element
= this_element
;
3680 this_element
= bfd_openr_next_archived_file (ibfd
, last_element
);
3682 bfd_close (last_element
);
3687 filename
= bfd_get_filename (obfd
);
3688 if (!bfd_close (obfd
))
3691 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
3694 filename
= bfd_get_filename (ibfd
);
3695 if (!bfd_close (ibfd
))
3698 bfd_nonfatal_message (filename
, NULL
, NULL
, NULL
);
3702 /* Delete all the files that we opened. */
3704 struct name_list
* next
;
3706 for (l
= list
; l
!= NULL
; l
= next
)
3708 if (l
->obfd
== NULL
)
3712 bfd_close (l
->obfd
);
3724 set_long_section_mode (bfd
*output_bfd
, bfd
*input_bfd
, enum long_section_name_handling style
)
3726 /* This is only relevant to Coff targets. */
3727 if (bfd_get_flavour (output_bfd
) == bfd_target_coff_flavour
)
3730 && bfd_get_flavour (input_bfd
) == bfd_target_coff_flavour
)
3731 style
= bfd_coff_long_section_names (input_bfd
) ? ENABLE
: DISABLE
;
3732 bfd_coff_set_long_section_names (output_bfd
, style
!= DISABLE
);
3736 /* The top-level control. */
3739 copy_file (const char *input_filename
, const char *output_filename
, int ofd
,
3740 struct stat
*in_stat
, const char *input_target
,
3741 const char *output_target
, const bfd_arch_info_type
*input_arch
)
3744 char **obj_matching
;
3745 char **core_matching
;
3746 off_t size
= get_file_size (input_filename
);
3751 non_fatal (_("error: the input file '%s' is empty"),
3757 /* To allow us to do "strip *" without dying on the first
3758 non-object file, failures are nonfatal. */
3759 ibfd
= bfd_openr (input_filename
, input_target
);
3760 if (ibfd
== NULL
|| bfd_stat (ibfd
, in_stat
) != 0)
3762 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
3767 switch (do_debug_sections
)
3771 case compress_gnu_zlib
:
3772 case compress_gabi_zlib
:
3773 ibfd
->flags
|= BFD_COMPRESS
;
3774 /* Don't check if input is ELF here since this information is
3775 only available after bfd_check_format_matches is called. */
3776 if (do_debug_sections
!= compress_gnu_zlib
)
3777 ibfd
->flags
|= BFD_COMPRESS_GABI
;
3780 ibfd
->flags
|= BFD_DECOMPRESS
;
3786 switch (do_elf_stt_common
)
3788 case elf_stt_common
:
3789 ibfd
->flags
|= BFD_CONVERT_ELF_COMMON
| BFD_USE_ELF_STT_COMMON
;
3792 case no_elf_stt_common
:
3793 ibfd
->flags
|= BFD_CONVERT_ELF_COMMON
;
3799 if (bfd_check_format (ibfd
, bfd_archive
))
3801 bfd_boolean force_output_target
;
3804 /* bfd_get_target does not return the correct value until
3805 bfd_check_format succeeds. */
3806 if (output_target
== NULL
)
3808 output_target
= bfd_get_target (ibfd
);
3809 force_output_target
= FALSE
;
3812 force_output_target
= TRUE
;
3815 obfd
= bfd_fdopenw (output_filename
, output_target
, ofd
);
3817 obfd
= bfd_openw (output_filename
, output_target
);
3822 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
3827 if (gnu_debuglink_filename
!= NULL
)
3829 non_fatal (_("--add-gnu-debuglink ignored for archive %s"),
3830 bfd_get_filename (ibfd
));
3831 gnu_debuglink_filename
= NULL
;
3834 /* This is a no-op on non-Coff targets. */
3835 set_long_section_mode (obfd
, ibfd
, long_section_names
);
3837 copy_archive (ibfd
, obfd
, output_target
, force_output_target
, input_arch
);
3839 else if (bfd_check_format_matches (ibfd
, bfd_object
, &obj_matching
))
3844 /* bfd_get_target does not return the correct value until
3845 bfd_check_format succeeds. */
3846 if (output_target
== NULL
)
3847 output_target
= bfd_get_target (ibfd
);
3850 obfd
= bfd_fdopenw (output_filename
, output_target
, ofd
);
3852 obfd
= bfd_openw (output_filename
, output_target
);
3857 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
3862 /* This is a no-op on non-Coff targets. */
3863 set_long_section_mode (obfd
, ibfd
, long_section_names
);
3865 if (! copy_object (ibfd
, obfd
, input_arch
))
3868 /* PR 17512: file: 0f15796a.
3869 If the file could not be copied it may not be in a writeable
3870 state. So use bfd_close_all_done to avoid the possibility of
3871 writing uninitialised data into the file. */
3872 if (! (status
? bfd_close_all_done (obfd
) : bfd_close (obfd
)))
3875 bfd_nonfatal_message (output_filename
, NULL
, NULL
, NULL
);
3879 if (!bfd_close (ibfd
))
3882 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
3888 bfd_error_type obj_error
= bfd_get_error ();
3889 bfd_error_type core_error
;
3891 if (bfd_check_format_matches (ibfd
, bfd_core
, &core_matching
))
3893 /* This probably can't happen.. */
3894 if (obj_error
== bfd_error_file_ambiguously_recognized
)
3895 free (obj_matching
);
3899 core_error
= bfd_get_error ();
3900 /* Report the object error in preference to the core error. */
3901 if (obj_error
!= core_error
)
3902 bfd_set_error (obj_error
);
3904 bfd_nonfatal_message (input_filename
, NULL
, NULL
, NULL
);
3906 if (obj_error
== bfd_error_file_ambiguously_recognized
)
3908 list_matching_formats (obj_matching
);
3909 free (obj_matching
);
3911 if (core_error
== bfd_error_file_ambiguously_recognized
)
3913 list_matching_formats (core_matching
);
3914 free (core_matching
);
3921 /* Add a name to the section renaming list. */
3924 add_section_rename (const char * old_name
, const char * new_name
,
3927 section_rename
* srename
;
3929 /* Check for conflicts first. */
3930 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
3931 if (strcmp (srename
->old_name
, old_name
) == 0)
3933 /* Silently ignore duplicate definitions. */
3934 if (strcmp (srename
->new_name
, new_name
) == 0
3935 && srename
->flags
== flags
)
3938 fatal (_("Multiple renames of section %s"), old_name
);
3941 srename
= (section_rename
*) xmalloc (sizeof (* srename
));
3943 srename
->old_name
= old_name
;
3944 srename
->new_name
= new_name
;
3945 srename
->flags
= flags
;
3946 srename
->next
= section_rename_list
;
3948 section_rename_list
= srename
;
3951 /* Check the section rename list for a new name of the input section
3952 called OLD_NAME. Returns the new name if one is found and sets
3953 RETURNED_FLAGS if non-NULL to the flags to be used for this section. */
3956 find_section_rename (const char *old_name
, flagword
*returned_flags
)
3958 const section_rename
*srename
;
3960 for (srename
= section_rename_list
; srename
!= NULL
; srename
= srename
->next
)
3961 if (strcmp (srename
->old_name
, old_name
) == 0)
3963 if (returned_flags
!= NULL
&& srename
->flags
!= (flagword
) -1)
3964 *returned_flags
= srename
->flags
;
3966 return srename
->new_name
;
3972 /* Once each of the sections is copied, we may still need to do some
3973 finalization work for private section headers. Do that here. */
3976 setup_bfd_headers (bfd
*ibfd
, bfd
*obfd
)
3978 /* Allow the BFD backend to copy any private data it understands
3979 from the input section to the output section. */
3980 if (! bfd_copy_private_header_data (ibfd
, obfd
))
3983 bfd_nonfatal_message (NULL
, ibfd
, NULL
,
3984 _("error in private header data"));
3988 /* All went well. */
3992 /* Create a section in OBFD with the same
3993 name and attributes as ISECTION in IBFD. */
3996 setup_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
3998 bfd
*obfd
= (bfd
*) obfdarg
;
3999 struct section_list
*p
;
4007 const char * new_name
;
4008 char *prefix
= NULL
;
4009 bfd_boolean make_nobits
;
4010 unsigned int alignment
;
4012 if (is_strip_section (ibfd
, isection
))
4015 /* Get the, possibly new, name of the output section. */
4016 name
= bfd_section_name (isection
);
4017 flags
= bfd_section_flags (isection
);
4018 if (bfd_get_flavour (ibfd
) != bfd_get_flavour (obfd
))
4020 flags
&= bfd_applicable_section_flags (ibfd
);
4021 flags
&= bfd_applicable_section_flags (obfd
);
4023 new_name
= find_section_rename (name
, &flags
);
4024 if (new_name
!= name
)
4027 flags
= check_new_section_flags (flags
, obfd
, name
);
4030 /* Prefix sections. */
4031 if (prefix_alloc_sections_string
4032 && (bfd_section_flags (isection
) & SEC_ALLOC
) != 0)
4033 prefix
= prefix_alloc_sections_string
;
4034 else if (prefix_sections_string
)
4035 prefix
= prefix_sections_string
;
4041 n
= (char *) xmalloc (strlen (prefix
) + strlen (name
) + 1);
4047 make_nobits
= FALSE
;
4049 p
= find_section_list (bfd_section_name (isection
), FALSE
,
4050 SECTION_CONTEXT_SET_FLAGS
);
4053 flags
= p
->flags
| (flags
& (SEC_HAS_CONTENTS
| SEC_RELOC
));
4054 flags
= check_new_section_flags (flags
, obfd
, bfd_section_name (isection
));
4056 else if (strip_symbols
== STRIP_NONDEBUG
4057 && (flags
& (SEC_ALLOC
| SEC_GROUP
)) != 0
4058 && !is_nondebug_keep_contents_section (ibfd
, isection
))
4060 flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
4061 if (bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
4065 /* Twiddle the input section flags so that it seems to
4066 elf.c:copy_private_bfd_data that section flags have not
4067 changed between input and output sections. This hack
4068 prevents wholesale rewriting of the program headers. */
4069 isection
->flags
&= ~(SEC_HAS_CONTENTS
| SEC_LOAD
| SEC_GROUP
);
4073 osection
= bfd_make_section_anyway_with_flags (obfd
, name
, flags
);
4075 if (osection
== NULL
)
4077 err
= _("failed to create output section");
4082 elf_section_type (osection
) = SHT_NOBITS
;
4084 size
= bfd_section_size (isection
);
4085 size
= bfd_convert_section_size (ibfd
, isection
, obfd
, size
);
4087 size
= (size
+ interleave
- 1) / interleave
* copy_width
;
4088 else if (extract_symbol
)
4090 if (!bfd_set_section_size (osection
, size
))
4092 err
= _("failed to set size");
4096 vma
= bfd_section_vma (isection
);
4097 p
= find_section_list (bfd_section_name (isection
), FALSE
,
4098 SECTION_CONTEXT_ALTER_VMA
| SECTION_CONTEXT_SET_VMA
);
4101 if (p
->context
& SECTION_CONTEXT_SET_VMA
)
4107 vma
+= change_section_address
;
4109 if (!bfd_set_section_vma (osection
, vma
))
4111 err
= _("failed to set vma");
4115 lma
= isection
->lma
;
4116 p
= find_section_list (bfd_section_name (isection
), FALSE
,
4117 SECTION_CONTEXT_ALTER_LMA
| SECTION_CONTEXT_SET_LMA
);
4120 if (p
->context
& SECTION_CONTEXT_ALTER_LMA
)
4126 lma
+= change_section_address
;
4128 osection
->lma
= lma
;
4130 p
= find_section_list (bfd_section_name (isection
), FALSE
,
4131 SECTION_CONTEXT_SET_ALIGNMENT
);
4133 alignment
= p
->alignment
;
4135 alignment
= bfd_section_alignment (isection
);
4137 /* FIXME: This is probably not enough. If we change the LMA we
4138 may have to recompute the header for the file as well. */
4139 if (!bfd_set_section_alignment (osection
, alignment
))
4141 err
= _("failed to set alignment");
4145 /* Copy merge entity size. */
4146 osection
->entsize
= isection
->entsize
;
4148 /* Copy compress status. */
4149 osection
->compress_status
= isection
->compress_status
;
4151 /* This used to be mangle_section; we do here to avoid using
4152 bfd_get_section_by_name since some formats allow multiple
4153 sections with the same name. */
4154 isection
->output_section
= osection
;
4155 isection
->output_offset
= 0;
4157 if ((isection
->flags
& SEC_GROUP
) != 0)
4159 asymbol
*gsym
= group_signature (isection
);
4163 gsym
->flags
|= BSF_KEEP
;
4164 if (bfd_get_flavour (ibfd
) == bfd_target_elf_flavour
)
4165 elf_group_id (isection
) = gsym
;
4169 /* Allow the BFD backend to copy any private data it understands
4170 from the input section to the output section. */
4171 if (!bfd_copy_private_section_data (ibfd
, isection
, obfd
, osection
))
4173 err
= _("failed to copy private data");
4177 /* All went well. */
4182 bfd_nonfatal_message (NULL
, obfd
, osection
, err
);
4185 /* Return TRUE if input section ISECTION should be skipped. */
4188 skip_section (bfd
*ibfd
, sec_ptr isection
, bfd_boolean skip_copy
)
4194 /* If we have already failed earlier on,
4195 do not keep on generating complaints now. */
4202 if (is_strip_section (ibfd
, isection
))
4205 if (is_update_section (ibfd
, isection
))
4208 /* When merging a note section we skip the copying of the contents,
4209 but not the copying of the relocs associated with the contents. */
4210 if (skip_copy
&& is_mergeable_note_section (ibfd
, isection
))
4213 flags
= bfd_section_flags (isection
);
4214 if ((flags
& SEC_GROUP
) != 0)
4217 osection
= isection
->output_section
;
4218 size
= bfd_section_size (isection
);
4220 if (size
== 0 || osection
== 0)
4226 /* Add section SECTION_PATTERN to the list of sections that will have their
4227 relocations removed. */
4230 handle_remove_relocations_option (const char *section_pattern
)
4232 find_section_list (section_pattern
, TRUE
, SECTION_CONTEXT_REMOVE_RELOCS
);
4235 /* Return TRUE if ISECTION from IBFD should have its relocations removed,
4236 otherwise return FALSE. If the user has requested that relocations be
4237 removed from a section that does not have relocations then this
4238 function will still return TRUE. */
4241 discard_relocations (bfd
*ibfd ATTRIBUTE_UNUSED
, asection
*isection
)
4243 return (find_section_list (bfd_section_name (isection
), FALSE
,
4244 SECTION_CONTEXT_REMOVE_RELOCS
) != NULL
);
4247 /* Wrapper for dealing with --remove-section (-R) command line arguments.
4248 A special case is detected here, if the user asks to remove a relocation
4249 section (one starting with ".rela" or ".rel") then this removal must
4250 be done using a different technique in a relocatable object. */
4253 handle_remove_section_option (const char *section_pattern
)
4255 find_section_list (section_pattern
, TRUE
, SECTION_CONTEXT_REMOVE
);
4256 if (strncmp (section_pattern
, ".rel", 4) == 0)
4258 section_pattern
+= 4;
4259 if (*section_pattern
== 'a')
4261 if (*section_pattern
)
4262 handle_remove_relocations_option (section_pattern
);
4264 sections_removed
= TRUE
;
4267 /* Copy relocations in input section ISECTION of IBFD to an output
4268 section with the same name in OBFDARG. If stripping then don't
4269 copy any relocation info. */
4272 copy_relocations_in_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
4274 bfd
*obfd
= (bfd
*) obfdarg
;
4280 if (skip_section (ibfd
, isection
, FALSE
))
4283 osection
= isection
->output_section
;
4285 /* Core files and DWO files do not need to be relocated. */
4286 if (bfd_get_format (obfd
) == bfd_core
4287 || strip_symbols
== STRIP_NONDWO
4288 || discard_relocations (ibfd
, isection
))
4292 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
4296 /* Do not complain if the target does not support relocations. */
4297 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
4302 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
4310 bfd_set_reloc (obfd
, osection
, NULL
, 0);
4311 osection
->flags
&= ~SEC_RELOC
;
4315 if (isection
->orelocation
!= NULL
)
4317 /* Some other function has already set up the output relocs
4318 for us, so scan those instead of the default relocs. */
4319 relcount
= isection
->reloc_count
;
4320 relpp
= isection
->orelocation
;
4324 relpp
= (arelent
**) xmalloc (relsize
);
4325 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, isympp
);
4329 bfd_nonfatal_message (NULL
, ibfd
, isection
,
4330 _("relocation count is negative"));
4336 if (strip_symbols
== STRIP_ALL
)
4338 /* Remove relocations which are not in
4339 keep_strip_specific_list. */
4340 arelent
**temp_relpp
;
4341 long temp_relcount
= 0;
4344 temp_relpp
= (arelent
**) xmalloc (relsize
);
4345 for (i
= 0; i
< relcount
; i
++)
4347 /* PR 17512: file: 9e907e0c. */
4348 if (relpp
[i
]->sym_ptr_ptr
4350 && * relpp
[i
]->sym_ptr_ptr
)
4351 if (is_specified_symbol (bfd_asymbol_name (*relpp
[i
]->sym_ptr_ptr
),
4352 keep_specific_htab
))
4353 temp_relpp
[temp_relcount
++] = relpp
[i
];
4355 relcount
= temp_relcount
;
4356 if (relpp
!= isection
->orelocation
)
4361 bfd_set_reloc (obfd
, osection
, relcount
== 0 ? NULL
: relpp
, relcount
);
4364 osection
->flags
&= ~SEC_RELOC
;
4365 if (relpp
!= isection
->orelocation
)
4371 /* Copy the data of input section ISECTION of IBFD
4372 to an output section with the same name in OBFD. */
4375 copy_section (bfd
*ibfd
, sec_ptr isection
, void *obfdarg
)
4377 bfd
*obfd
= (bfd
*) obfdarg
;
4378 struct section_list
*p
;
4382 if (skip_section (ibfd
, isection
, TRUE
))
4385 osection
= isection
->output_section
;
4386 /* The output SHF_COMPRESSED section size is different from input if
4387 ELF classes of input and output aren't the same. We can't use
4388 the output section size since --interleave will shrink the output
4389 section. Size will be updated if the section is converted. */
4390 size
= bfd_section_size (isection
);
4392 if (bfd_section_flags (isection
) & SEC_HAS_CONTENTS
4393 && bfd_section_flags (osection
) & SEC_HAS_CONTENTS
)
4395 bfd_byte
*memhunk
= NULL
;
4397 if (!bfd_get_full_section_contents (ibfd
, isection
, &memhunk
)
4398 || !bfd_convert_section_contents (ibfd
, isection
, obfd
,
4402 bfd_nonfatal_message (NULL
, ibfd
, isection
, NULL
);
4409 /* We don't handle leftover bytes (too many possible behaviors,
4410 and we don't know what the user wants). The section length
4411 must be a multiple of the number of bytes to swap. */
4412 if ((size
% reverse_bytes
) == 0)
4417 for (i
= 0; i
< size
; i
+= reverse_bytes
)
4418 for (j
= 0; j
< (unsigned long)(reverse_bytes
/ 2); j
++)
4420 bfd_byte
*m
= (bfd_byte
*) memhunk
;
4423 m
[i
+ j
] = m
[(i
+ reverse_bytes
) - (j
+ 1)];
4424 m
[(i
+ reverse_bytes
) - (j
+ 1)] = b
;
4428 /* User must pad the section up in order to do this. */
4429 fatal (_("cannot reverse bytes: length of section %s must be evenly divisible by %d"),
4430 bfd_section_name (isection
), reverse_bytes
);
4435 /* Keep only every `copy_byte'th byte in MEMHUNK. */
4436 char *from
= (char *) memhunk
+ copy_byte
;
4437 char *to
= (char *) memhunk
;
4438 char *end
= (char *) memhunk
+ size
;
4441 /* If the section address is not exactly divisible by the interleave,
4442 then we must bias the from address. If the copy_byte is less than
4443 the bias, then we must skip forward one interleave, and increment
4445 int extra
= isection
->lma
% interleave
;
4447 if (copy_byte
< extra
)
4450 for (; from
< end
; from
+= interleave
)
4451 for (i
= 0; i
< copy_width
; i
++)
4453 if (&from
[i
] >= end
)
4458 size
= (size
+ interleave
- 1 - copy_byte
) / interleave
* copy_width
;
4459 osection
->lma
/= interleave
;
4460 if (copy_byte
< extra
)
4464 if (!bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
4467 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
4473 else if ((p
= find_section_list (bfd_section_name (isection
),
4474 FALSE
, SECTION_CONTEXT_SET_FLAGS
)) != NULL
4475 && (p
->flags
& SEC_HAS_CONTENTS
) != 0)
4477 void *memhunk
= xmalloc (size
);
4479 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
4480 flag--they can just remove the section entirely and add it
4481 back again. However, we do permit them to turn on the
4482 SEC_HAS_CONTENTS flag, and take it to mean that the section
4483 contents should be zeroed out. */
4485 memset (memhunk
, 0, size
);
4486 if (! bfd_set_section_contents (obfd
, osection
, memhunk
, 0, size
))
4489 bfd_nonfatal_message (NULL
, obfd
, osection
, NULL
);
4497 /* Get all the sections. This is used when --gap-fill or --pad-to is
4501 get_sections (bfd
*obfd ATTRIBUTE_UNUSED
, asection
*osection
, void *secppparg
)
4503 asection
***secppp
= (asection
***) secppparg
;
4505 **secppp
= osection
;
4509 /* Sort sections by LMA. This is called via qsort, and is used when
4510 --gap-fill or --pad-to is used. We force non loadable or empty
4511 sections to the front, where they are easier to ignore. */
4514 compare_section_lma (const void *arg1
, const void *arg2
)
4516 const asection
*sec1
= *(const asection
**) arg1
;
4517 const asection
*sec2
= *(const asection
**) arg2
;
4518 flagword flags1
, flags2
;
4520 /* Sort non loadable sections to the front. */
4521 flags1
= sec1
->flags
;
4522 flags2
= sec2
->flags
;
4523 if ((flags1
& SEC_HAS_CONTENTS
) == 0
4524 || (flags1
& SEC_LOAD
) == 0)
4526 if ((flags2
& SEC_HAS_CONTENTS
) != 0
4527 && (flags2
& SEC_LOAD
) != 0)
4532 if ((flags2
& SEC_HAS_CONTENTS
) == 0
4533 || (flags2
& SEC_LOAD
) == 0)
4537 /* Sort sections by LMA. */
4538 if (sec1
->lma
> sec2
->lma
)
4540 if (sec1
->lma
< sec2
->lma
)
4543 /* Sort sections with the same LMA by size. */
4544 if (bfd_section_size (sec1
) > bfd_section_size (sec2
))
4546 if (bfd_section_size (sec1
) < bfd_section_size (sec2
))
4549 if (sec1
->id
> sec2
->id
)
4551 if (sec1
->id
< sec2
->id
)
4556 /* Mark all the symbols which will be used in output relocations with
4557 the BSF_KEEP flag so that those symbols will not be stripped.
4559 Ignore relocations which will not appear in the output file. */
4562 mark_symbols_used_in_relocations (bfd
*ibfd
, sec_ptr isection
, void *symbolsarg
)
4564 asymbol
**symbols
= (asymbol
**) symbolsarg
;
4569 /* Ignore an input section with no corresponding output section. */
4570 if (isection
->output_section
== NULL
)
4573 relsize
= bfd_get_reloc_upper_bound (ibfd
, isection
);
4576 /* Do not complain if the target does not support relocations. */
4577 if (relsize
== -1 && bfd_get_error () == bfd_error_invalid_operation
)
4579 bfd_fatal (bfd_get_filename (ibfd
));
4585 relpp
= (arelent
**) xmalloc (relsize
);
4586 relcount
= bfd_canonicalize_reloc (ibfd
, isection
, relpp
, symbols
);
4588 bfd_fatal (bfd_get_filename (ibfd
));
4590 /* Examine each symbol used in a relocation. If it's not one of the
4591 special bfd section symbols, then mark it with BSF_KEEP. */
4592 for (i
= 0; i
< relcount
; i
++)
4594 /* See PRs 20923 and 20930 for reproducers for the NULL tests. */
4595 if (relpp
[i
]->sym_ptr_ptr
!= NULL
4596 && * relpp
[i
]->sym_ptr_ptr
!= NULL
4597 && *relpp
[i
]->sym_ptr_ptr
!= bfd_com_section_ptr
->symbol
4598 && *relpp
[i
]->sym_ptr_ptr
!= bfd_abs_section_ptr
->symbol
4599 && *relpp
[i
]->sym_ptr_ptr
!= bfd_und_section_ptr
->symbol
)
4600 (*relpp
[i
]->sym_ptr_ptr
)->flags
|= BSF_KEEP
;
4606 /* Write out debugging information. */
4609 write_debugging_info (bfd
*obfd
, void *dhandle
,
4610 long *symcountp ATTRIBUTE_UNUSED
,
4611 asymbol
***symppp ATTRIBUTE_UNUSED
)
4613 if (bfd_get_flavour (obfd
) == bfd_target_coff_flavour
4614 || bfd_get_flavour (obfd
) == bfd_target_elf_flavour
)
4616 bfd_byte
*syms
, *strings
= NULL
;
4617 bfd_size_type symsize
, stringsize
;
4618 asection
*stabsec
, *stabstrsec
;
4621 if (! write_stabs_in_sections_debugging_info (obfd
, dhandle
, &syms
,
4626 flags
= SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_DEBUGGING
;
4627 stabsec
= bfd_make_section_with_flags (obfd
, ".stab", flags
);
4628 stabstrsec
= bfd_make_section_with_flags (obfd
, ".stabstr", flags
);
4630 || stabstrsec
== NULL
4631 || !bfd_set_section_size (stabsec
, symsize
)
4632 || !bfd_set_section_size (stabstrsec
, stringsize
)
4633 || !bfd_set_section_alignment (stabsec
, 2)
4634 || !bfd_set_section_alignment (stabstrsec
, 0))
4636 bfd_nonfatal_message (NULL
, obfd
, NULL
,
4637 _("can't create debugging section"));
4642 /* We can get away with setting the section contents now because
4643 the next thing the caller is going to do is copy over the
4644 real sections. We may someday have to split the contents
4645 setting out of this function. */
4646 if (! bfd_set_section_contents (obfd
, stabsec
, syms
, 0, symsize
)
4647 || ! bfd_set_section_contents (obfd
, stabstrsec
, strings
, 0,
4650 bfd_nonfatal_message (NULL
, obfd
, NULL
,
4651 _("can't set debugging section contents"));
4659 bfd_nonfatal_message (NULL
, obfd
, NULL
,
4660 _("don't know how to write debugging information for %s"),
4661 bfd_get_target (obfd
));
4665 /* If neither -D nor -U was specified explicitly,
4666 then use the configured default. */
4668 default_deterministic (void)
4670 if (deterministic
< 0)
4671 deterministic
= DEFAULT_AR_DETERMINISTIC
;
4675 strip_main (int argc
, char *argv
[])
4677 char *input_target
= NULL
;
4678 char *output_target
= NULL
;
4679 bfd_boolean show_version
= FALSE
;
4680 bfd_boolean formats_info
= FALSE
;
4683 char *output_file
= NULL
;
4684 bfd_boolean merge_notes_set
= FALSE
;
4686 while ((c
= getopt_long (argc
, argv
, "I:O:F:K:MN:R:o:sSpdgxXHhVvwDU",
4687 strip_options
, (int *) 0)) != EOF
)
4692 input_target
= optarg
;
4695 output_target
= optarg
;
4698 input_target
= output_target
= optarg
;
4701 handle_remove_section_option (optarg
);
4703 case OPTION_KEEP_SECTION
:
4704 find_section_list (optarg
, TRUE
, SECTION_CONTEXT_KEEP
);
4706 case OPTION_REMOVE_RELOCS
:
4707 handle_remove_relocations_option (optarg
);
4710 strip_symbols
= STRIP_ALL
;
4714 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
4715 strip_symbols
= STRIP_DEBUG
;
4717 case OPTION_STRIP_DWO
:
4718 strip_symbols
= STRIP_DWO
;
4720 case OPTION_STRIP_UNNEEDED
:
4721 strip_symbols
= STRIP_UNNEEDED
;
4724 add_specific_symbol (optarg
, keep_specific_htab
);
4728 merge_notes_set
= TRUE
;
4730 case OPTION_NO_MERGE_NOTES
:
4731 merge_notes
= FALSE
;
4732 merge_notes_set
= TRUE
;
4735 add_specific_symbol (optarg
, strip_specific_htab
);
4738 output_file
= optarg
;
4741 preserve_dates
= TRUE
;
4744 deterministic
= TRUE
;
4747 deterministic
= FALSE
;
4750 discard_locals
= LOCALS_ALL
;
4753 discard_locals
= LOCALS_START_L
;
4759 show_version
= TRUE
;
4761 case OPTION_FORMATS_INFO
:
4762 formats_info
= TRUE
;
4764 case OPTION_ONLY_KEEP_DEBUG
:
4765 strip_symbols
= STRIP_NONDEBUG
;
4767 case OPTION_KEEP_FILE_SYMBOLS
:
4768 keep_file_symbols
= 1;
4771 /* We've been given a long option. */
4778 strip_usage (stdout
, 0);
4780 strip_usage (stderr
, 1);
4784 /* If the user has not expressly chosen to merge/not-merge ELF notes
4785 then enable the merging unless we are stripping debug or dwo info. */
4786 if (! merge_notes_set
4787 && (strip_symbols
== STRIP_UNDEF
4788 || strip_symbols
== STRIP_ALL
4789 || strip_symbols
== STRIP_UNNEEDED
4790 || strip_symbols
== STRIP_NONDEBUG
4791 || strip_symbols
== STRIP_NONDWO
))
4801 print_version ("strip");
4803 default_deterministic ();
4805 /* Default is to strip all symbols. */
4806 if (strip_symbols
== STRIP_UNDEF
4807 && discard_locals
== LOCALS_UNDEF
4808 && htab_elements (strip_specific_htab
) == 0)
4809 strip_symbols
= STRIP_ALL
;
4811 if (output_target
== NULL
)
4812 output_target
= input_target
;
4816 || (output_file
!= NULL
&& (i
+ 1) < argc
))
4817 strip_usage (stderr
, 1);
4819 for (; i
< argc
; i
++)
4821 int hold_status
= status
;
4822 struct stat statbuf
;
4827 if (get_file_size (argv
[i
]) < 1)
4833 if (output_file
== NULL
4834 || filename_cmp (argv
[i
], output_file
) == 0)
4836 tmpname
= make_tempname (argv
[i
], &tmpfd
);
4838 copyfd
= dup (tmpfd
);
4841 tmpname
= output_file
;
4843 if (tmpname
== NULL
)
4845 bfd_nonfatal_message (argv
[i
], NULL
, NULL
,
4846 _("could not create temporary file to hold stripped copy"));
4852 copy_file (argv
[i
], tmpname
, tmpfd
, &statbuf
, input_target
,
4853 output_target
, NULL
);
4856 if (output_file
!= tmpname
)
4857 status
= smart_rename (tmpname
,
4858 output_file
? output_file
: argv
[i
],
4859 copyfd
, &statbuf
, preserve_dates
) != 0;
4861 status
= hold_status
;
4867 unlink_if_ordinary (tmpname
);
4869 if (output_file
!= tmpname
)
4876 /* Set up PE subsystem. */
4879 set_pe_subsystem (const char *s
)
4881 const char *version
, *subsystem
;
4891 { "native", 0, IMAGE_SUBSYSTEM_NATIVE
},
4892 { "windows", 0, IMAGE_SUBSYSTEM_WINDOWS_GUI
},
4893 { "console", 0, IMAGE_SUBSYSTEM_WINDOWS_CUI
},
4894 { "posix", 0, IMAGE_SUBSYSTEM_POSIX_CUI
},
4895 { "wince", 0, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI
},
4896 { "efi-app", 1, IMAGE_SUBSYSTEM_EFI_APPLICATION
},
4897 { "efi-bsd", 1, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
},
4898 { "efi-rtd", 1, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
},
4899 { "sal-rtd", 1, IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER
},
4900 { "xbox", 0, IMAGE_SUBSYSTEM_XBOX
}
4906 /* Check for the presence of a version number. */
4907 version
= strchr (s
, ':');
4908 if (version
== NULL
)
4912 int len
= version
- s
;
4916 version
= copy
+ 1 + len
;
4917 pe_major_subsystem_version
= strtoul (version
, ©
, 0);
4919 pe_minor_subsystem_version
= strtoul (copy
+ 1, ©
, 0);
4921 non_fatal (_("%s: bad version in PE subsystem"), s
);
4924 /* Check for numeric subsystem. */
4925 value
= (short) strtol (subsystem
, ©
, 0);
4928 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
4929 if (v
[i
].value
== value
)
4931 pe_subsystem
= value
;
4932 set_def
= v
[i
].set_def
;
4938 /* Search for subsystem by name. */
4939 for (i
= 0; i
< ARRAY_SIZE (v
); i
++)
4940 if (strcmp (subsystem
, v
[i
].name
) == 0)
4942 pe_subsystem
= v
[i
].value
;
4943 set_def
= v
[i
].set_def
;
4951 fatal (_("unknown PE subsystem: %s"), s
);
4956 if (pe_file_alignment
== (bfd_vma
) -1)
4957 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
4958 if (pe_section_alignment
== (bfd_vma
) -1)
4959 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
4963 free ((char *) subsystem
);
4966 /* Convert EFI target to PEI target. */
4969 convert_efi_target (char *efi
)
4975 if (strcmp (efi
+ 4, "ia32") == 0)
4977 /* Change ia32 to i386. */
4982 else if (strcmp (efi
+ 4, "x86_64") == 0)
4984 /* Change x86_64 to x86-64. */
4989 /* Allocate and return a pointer to a struct section_add, initializing the
4990 structure using ARG, a string in the format "sectionname=filename".
4991 The returned structure will have its next pointer set to NEXT. The
4992 OPTION field is the name of the command line option currently being
4993 parsed, and is only used if an error needs to be reported. */
4995 static struct section_add
*
4996 init_section_add (const char *arg
,
4997 struct section_add
*next
,
5000 struct section_add
*pa
;
5003 s
= strchr (arg
, '=');
5005 fatal (_("bad format for %s"), option
);
5007 pa
= (struct section_add
*) xmalloc (sizeof (struct section_add
));
5008 pa
->name
= xstrndup (arg
, s
- arg
);
5009 pa
->filename
= s
+ 1;
5011 pa
->contents
= NULL
;
5017 /* Load the file specified in PA, allocating memory to hold the file
5018 contents, and store a pointer to the allocated memory in the contents
5019 field of PA. The size field of PA is also updated. All errors call
5023 section_add_load_file (struct section_add
*pa
)
5028 /* We don't use get_file_size so that we can do
5029 --add-section .note.GNU_stack=/dev/null
5030 get_file_size doesn't work on /dev/null. */
5032 f
= fopen (pa
->filename
, FOPEN_RB
);
5034 fatal (_("cannot open: %s: %s"),
5035 pa
->filename
, strerror (errno
));
5039 pa
->contents
= (bfd_byte
*) xmalloc (alloc
);
5047 pa
->contents
= (bfd_byte
*) xrealloc (pa
->contents
, alloc
);
5050 got
= fread (pa
->contents
+ off
, 1, alloc
- off
, f
);
5052 fatal (_("%s: fread failed"), pa
->filename
);
5063 copy_main (int argc
, char *argv
[])
5065 char *input_filename
= NULL
;
5066 char *output_filename
= NULL
;
5068 char *input_target
= NULL
;
5069 char *output_target
= NULL
;
5070 bfd_boolean show_version
= FALSE
;
5071 bfd_boolean change_warn
= TRUE
;
5072 bfd_boolean formats_info
= FALSE
;
5073 bfd_boolean use_globalize
= FALSE
;
5074 bfd_boolean use_keep_global
= FALSE
;
5078 struct stat statbuf
;
5079 const bfd_arch_info_type
*input_arch
= NULL
;
5081 while ((c
= getopt_long (argc
, argv
, "b:B:i:I:j:K:MN:s:O:d:F:L:G:R:SpgxXHhVvW:wDU",
5082 copy_options
, (int *) 0)) != EOF
)
5087 copy_byte
= atoi (optarg
);
5089 fatal (_("byte number must be non-negative"));
5093 input_arch
= bfd_scan_arch (optarg
);
5094 if (input_arch
== NULL
)
5095 fatal (_("architecture %s unknown"), optarg
);
5101 interleave
= atoi (optarg
);
5103 fatal (_("interleave must be positive"));
5109 case OPTION_INTERLEAVE_WIDTH
:
5110 copy_width
= atoi (optarg
);
5112 fatal(_("interleave width must be positive"));
5116 case 's': /* "source" - 'I' is preferred */
5117 input_target
= optarg
;
5121 case 'd': /* "destination" - 'O' is preferred */
5122 output_target
= optarg
;
5126 input_target
= output_target
= optarg
;
5130 find_section_list (optarg
, TRUE
, SECTION_CONTEXT_COPY
);
5131 sections_copied
= TRUE
;
5135 handle_remove_section_option (optarg
);
5138 case OPTION_KEEP_SECTION
:
5139 find_section_list (optarg
, TRUE
, SECTION_CONTEXT_KEEP
);
5142 case OPTION_REMOVE_RELOCS
:
5143 handle_remove_relocations_option (optarg
);
5147 strip_symbols
= STRIP_ALL
;
5151 strip_symbols
= STRIP_DEBUG
;
5154 case OPTION_STRIP_DWO
:
5155 strip_symbols
= STRIP_DWO
;
5158 case OPTION_STRIP_UNNEEDED
:
5159 strip_symbols
= STRIP_UNNEEDED
;
5162 case OPTION_ONLY_KEEP_DEBUG
:
5163 strip_symbols
= STRIP_NONDEBUG
;
5166 case OPTION_KEEP_FILE_SYMBOLS
:
5167 keep_file_symbols
= 1;
5170 case OPTION_ADD_GNU_DEBUGLINK
:
5171 long_section_names
= ENABLE
;
5172 gnu_debuglink_filename
= optarg
;
5176 add_specific_symbol (optarg
, keep_specific_htab
);
5182 case OPTION_NO_MERGE_NOTES
:
5183 merge_notes
= FALSE
;
5187 add_specific_symbol (optarg
, strip_specific_htab
);
5190 case OPTION_STRIP_UNNEEDED_SYMBOL
:
5191 add_specific_symbol (optarg
, strip_unneeded_htab
);
5195 add_specific_symbol (optarg
, localize_specific_htab
);
5198 case OPTION_GLOBALIZE_SYMBOL
:
5199 use_globalize
= TRUE
;
5200 add_specific_symbol (optarg
, globalize_specific_htab
);
5204 use_keep_global
= TRUE
;
5205 add_specific_symbol (optarg
, keepglobal_specific_htab
);
5209 add_specific_symbol (optarg
, weaken_specific_htab
);
5213 preserve_dates
= TRUE
;
5217 deterministic
= TRUE
;
5221 deterministic
= FALSE
;
5229 discard_locals
= LOCALS_ALL
;
5233 discard_locals
= LOCALS_START_L
;
5241 show_version
= TRUE
;
5244 case OPTION_FORMATS_INFO
:
5245 formats_info
= TRUE
;
5252 case OPTION_ADD_SECTION
:
5253 add_sections
= init_section_add (optarg
, add_sections
,
5255 section_add_load_file (add_sections
);
5258 case OPTION_UPDATE_SECTION
:
5259 update_sections
= init_section_add (optarg
, update_sections
,
5260 "--update-section");
5261 section_add_load_file (update_sections
);
5264 case OPTION_DUMP_SECTION
:
5265 dump_sections
= init_section_add (optarg
, dump_sections
,
5269 case OPTION_ADD_SYMBOL
:
5272 struct addsym_node
*newsym
= xmalloc (sizeof *newsym
);
5274 newsym
->next
= NULL
;
5275 s
= strchr (optarg
, '=');
5277 fatal (_("bad format for %s"), "--add-symbol");
5278 t
= strchr (s
+ 1, ':');
5280 newsym
->symdef
= xstrndup (optarg
, s
- optarg
);
5283 newsym
->section
= xstrndup (s
+ 1, t
- (s
+ 1));
5284 newsym
->symval
= strtol (t
+ 1, NULL
, 0);
5288 newsym
->section
= NULL
;
5289 newsym
->symval
= strtol (s
+ 1, NULL
, 0);
5293 t
= strchr (t
+ 1, ',');
5294 newsym
->othersym
= NULL
;
5296 newsym
->flags
= parse_symflags (t
+1, &newsym
->othersym
);
5298 newsym
->flags
= BSF_GLOBAL
;
5300 /* Keep 'othersym' symbols at the front of the list. */
5301 if (newsym
->othersym
)
5303 newsym
->next
= add_sym_list
;
5305 add_sym_tail
= &newsym
->next
;
5306 add_sym_list
= newsym
;
5310 *add_sym_tail
= newsym
;
5311 add_sym_tail
= &newsym
->next
;
5317 case OPTION_CHANGE_START
:
5318 change_start
= parse_vma (optarg
, "--change-start");
5321 case OPTION_CHANGE_SECTION_ADDRESS
:
5322 case OPTION_CHANGE_SECTION_LMA
:
5323 case OPTION_CHANGE_SECTION_VMA
:
5325 struct section_list
* p
;
5326 unsigned int context
= 0;
5330 char *option
= NULL
;
5335 case OPTION_CHANGE_SECTION_ADDRESS
:
5336 option
= "--change-section-address";
5337 context
= SECTION_CONTEXT_ALTER_LMA
| SECTION_CONTEXT_ALTER_VMA
;
5339 case OPTION_CHANGE_SECTION_LMA
:
5340 option
= "--change-section-lma";
5341 context
= SECTION_CONTEXT_ALTER_LMA
;
5343 case OPTION_CHANGE_SECTION_VMA
:
5344 option
= "--change-section-vma";
5345 context
= SECTION_CONTEXT_ALTER_VMA
;
5349 s
= strchr (optarg
, '=');
5352 s
= strchr (optarg
, '+');
5355 s
= strchr (optarg
, '-');
5357 fatal (_("bad format for %s"), option
);
5362 /* Correct the context. */
5365 case OPTION_CHANGE_SECTION_ADDRESS
:
5366 context
= SECTION_CONTEXT_SET_LMA
| SECTION_CONTEXT_SET_VMA
;
5368 case OPTION_CHANGE_SECTION_LMA
:
5369 context
= SECTION_CONTEXT_SET_LMA
;
5371 case OPTION_CHANGE_SECTION_VMA
:
5372 context
= SECTION_CONTEXT_SET_VMA
;
5378 name
= (char *) xmalloc (len
+ 1);
5379 strncpy (name
, optarg
, len
);
5382 p
= find_section_list (name
, TRUE
, context
);
5384 val
= parse_vma (s
+ 1, option
);
5390 case OPTION_CHANGE_SECTION_ADDRESS
:
5394 case OPTION_CHANGE_SECTION_LMA
:
5398 case OPTION_CHANGE_SECTION_VMA
:
5405 case OPTION_CHANGE_ADDRESSES
:
5406 change_section_address
= parse_vma (optarg
, "--change-addresses");
5407 change_start
= change_section_address
;
5410 case OPTION_CHANGE_WARNINGS
:
5414 case OPTION_CHANGE_LEADING_CHAR
:
5415 change_leading_char
= TRUE
;
5418 case OPTION_COMPRESS_DEBUG_SECTIONS
:
5421 if (strcasecmp (optarg
, "none") == 0)
5422 do_debug_sections
= decompress
;
5423 else if (strcasecmp (optarg
, "zlib") == 0)
5424 do_debug_sections
= compress_zlib
;
5425 else if (strcasecmp (optarg
, "zlib-gnu") == 0)
5426 do_debug_sections
= compress_gnu_zlib
;
5427 else if (strcasecmp (optarg
, "zlib-gabi") == 0)
5428 do_debug_sections
= compress_gabi_zlib
;
5430 fatal (_("unrecognized --compress-debug-sections type `%s'"),
5434 do_debug_sections
= compress
;
5437 case OPTION_DEBUGGING
:
5438 convert_debugging
= TRUE
;
5441 case OPTION_DECOMPRESS_DEBUG_SECTIONS
:
5442 do_debug_sections
= decompress
;
5445 case OPTION_ELF_STT_COMMON
:
5446 if (strcasecmp (optarg
, "yes") == 0)
5447 do_elf_stt_common
= elf_stt_common
;
5448 else if (strcasecmp (optarg
, "no") == 0)
5449 do_elf_stt_common
= no_elf_stt_common
;
5451 fatal (_("unrecognized --elf-stt-common= option `%s'"),
5455 case OPTION_GAP_FILL
:
5457 bfd_vma gap_fill_vma
;
5459 gap_fill_vma
= parse_vma (optarg
, "--gap-fill");
5460 gap_fill
= (bfd_byte
) gap_fill_vma
;
5461 if ((bfd_vma
) gap_fill
!= gap_fill_vma
)
5465 sprintf_vma (buff
, gap_fill_vma
);
5467 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
5470 gap_fill_set
= TRUE
;
5474 case OPTION_NO_CHANGE_WARNINGS
:
5475 change_warn
= FALSE
;
5479 pad_to
= parse_vma (optarg
, "--pad-to");
5483 case OPTION_REMOVE_LEADING_CHAR
:
5484 remove_leading_char
= TRUE
;
5487 case OPTION_REDEFINE_SYM
:
5489 /* Insert this redefinition onto redefine_specific_htab. */
5493 const char *nextarg
;
5494 char *source
, *target
;
5496 s
= strchr (optarg
, '=');
5498 fatal (_("bad format for %s"), "--redefine-sym");
5501 source
= (char *) xmalloc (len
+ 1);
5502 strncpy (source
, optarg
, len
);
5506 len
= strlen (nextarg
);
5507 target
= (char *) xmalloc (len
+ 1);
5508 strcpy (target
, nextarg
);
5510 add_redefine_and_check ("--redefine-sym", source
, target
);
5517 case OPTION_REDEFINE_SYMS
:
5518 add_redefine_syms_file (optarg
);
5521 case OPTION_SET_SECTION_FLAGS
:
5523 struct section_list
*p
;
5528 s
= strchr (optarg
, '=');
5530 fatal (_("bad format for %s"), "--set-section-flags");
5533 name
= (char *) xmalloc (len
+ 1);
5534 strncpy (name
, optarg
, len
);
5537 p
= find_section_list (name
, TRUE
, SECTION_CONTEXT_SET_FLAGS
);
5539 p
->flags
= parse_flags (s
+ 1);
5543 case OPTION_SET_SECTION_ALIGNMENT
:
5545 struct section_list
*p
;
5551 s
= strchr (optarg
, '=');
5553 fatal (_("bad format for --set-section-alignment: argument needed"));
5555 align
= atoi (s
+ 1);
5557 fatal (_("bad format for --set-section-alignment: numeric argument needed"));
5559 /* Convert integer alignment into a power-of-two alignment. */
5561 while ((align
& 1) == 0)
5568 /* Number has more than on 1, i.e. wasn't a power of 2. */
5569 fatal (_("bad format for --set-section-alignment: alignment is not a power of two"));
5571 /* Add the alignment setting to the section list. */
5573 name
= (char *) xmalloc (len
+ 1);
5574 strncpy (name
, optarg
, len
);
5577 p
= find_section_list (name
, TRUE
, SECTION_CONTEXT_SET_ALIGNMENT
);
5579 p
->alignment
= palign
;
5583 case OPTION_RENAME_SECTION
:
5586 const char *eq
, *fl
;
5591 eq
= strchr (optarg
, '=');
5593 fatal (_("bad format for %s"), "--rename-section");
5597 fatal (_("bad format for %s"), "--rename-section");
5599 old_name
= (char *) xmalloc (len
+ 1);
5600 strncpy (old_name
, optarg
, len
);
5604 fl
= strchr (eq
, ',');
5607 flags
= parse_flags (fl
+ 1);
5617 fatal (_("bad format for %s"), "--rename-section");
5619 new_name
= (char *) xmalloc (len
+ 1);
5620 strncpy (new_name
, eq
, len
);
5623 add_section_rename (old_name
, new_name
, flags
);
5627 case OPTION_SET_START
:
5628 set_start
= parse_vma (optarg
, "--set-start");
5629 set_start_set
= TRUE
;
5632 case OPTION_SREC_LEN
:
5633 _bfd_srec_len
= parse_vma (optarg
, "--srec-len");
5636 case OPTION_SREC_FORCES3
:
5637 _bfd_srec_forceS3
= TRUE
;
5640 case OPTION_STRIP_SYMBOLS
:
5641 add_specific_symbols (optarg
, strip_specific_htab
,
5642 &strip_specific_buffer
);
5645 case OPTION_STRIP_UNNEEDED_SYMBOLS
:
5646 add_specific_symbols (optarg
, strip_unneeded_htab
,
5647 &strip_unneeded_buffer
);
5650 case OPTION_KEEP_SYMBOLS
:
5651 add_specific_symbols (optarg
, keep_specific_htab
,
5652 &keep_specific_buffer
);
5655 case OPTION_LOCALIZE_HIDDEN
:
5656 localize_hidden
= TRUE
;
5659 case OPTION_LOCALIZE_SYMBOLS
:
5660 add_specific_symbols (optarg
, localize_specific_htab
,
5661 &localize_specific_buffer
);
5664 case OPTION_LONG_SECTION_NAMES
:
5665 if (!strcmp ("enable", optarg
))
5666 long_section_names
= ENABLE
;
5667 else if (!strcmp ("disable", optarg
))
5668 long_section_names
= DISABLE
;
5669 else if (!strcmp ("keep", optarg
))
5670 long_section_names
= KEEP
;
5672 fatal (_("unknown long section names option '%s'"), optarg
);
5675 case OPTION_GLOBALIZE_SYMBOLS
:
5676 use_globalize
= TRUE
;
5677 add_specific_symbols (optarg
, globalize_specific_htab
,
5678 &globalize_specific_buffer
);
5681 case OPTION_KEEPGLOBAL_SYMBOLS
:
5682 use_keep_global
= TRUE
;
5683 add_specific_symbols (optarg
, keepglobal_specific_htab
,
5684 &keepglobal_specific_buffer
);
5687 case OPTION_WEAKEN_SYMBOLS
:
5688 add_specific_symbols (optarg
, weaken_specific_htab
,
5689 &weaken_specific_buffer
);
5692 case OPTION_ALT_MACH_CODE
:
5693 use_alt_mach_code
= strtoul (optarg
, NULL
, 0);
5694 if (use_alt_mach_code
== 0)
5695 fatal (_("unable to parse alternative machine code"));
5698 case OPTION_PREFIX_SYMBOLS
:
5699 prefix_symbols_string
= optarg
;
5702 case OPTION_PREFIX_SECTIONS
:
5703 prefix_sections_string
= optarg
;
5706 case OPTION_PREFIX_ALLOC_SECTIONS
:
5707 prefix_alloc_sections_string
= optarg
;
5710 case OPTION_READONLY_TEXT
:
5711 bfd_flags_to_set
|= WP_TEXT
;
5712 bfd_flags_to_clear
&= ~WP_TEXT
;
5715 case OPTION_WRITABLE_TEXT
:
5716 bfd_flags_to_clear
|= WP_TEXT
;
5717 bfd_flags_to_set
&= ~WP_TEXT
;
5721 bfd_flags_to_set
|= D_PAGED
;
5722 bfd_flags_to_clear
&= ~D_PAGED
;
5726 bfd_flags_to_clear
|= D_PAGED
;
5727 bfd_flags_to_set
&= ~D_PAGED
;
5730 case OPTION_EXTRACT_DWO
:
5731 strip_symbols
= STRIP_NONDWO
;
5734 case OPTION_EXTRACT_SYMBOL
:
5735 extract_symbol
= TRUE
;
5738 case OPTION_REVERSE_BYTES
:
5740 int prev
= reverse_bytes
;
5742 reverse_bytes
= atoi (optarg
);
5743 if ((reverse_bytes
<= 0) || ((reverse_bytes
% 2) != 0))
5744 fatal (_("number of bytes to reverse must be positive and even"));
5746 if (prev
&& prev
!= reverse_bytes
)
5747 non_fatal (_("Warning: ignoring previous --reverse-bytes value of %d"),
5752 case OPTION_FILE_ALIGNMENT
:
5753 pe_file_alignment
= parse_vma (optarg
, "--file-alignment");
5759 pe_heap_reserve
= strtoul (optarg
, &end
, 0);
5761 || (*end
!= '.' && *end
!= '\0'))
5762 non_fatal (_("%s: invalid reserve value for --heap"),
5764 else if (*end
!= '\0')
5766 pe_heap_commit
= strtoul (end
+ 1, &end
, 0);
5768 non_fatal (_("%s: invalid commit value for --heap"),
5774 case OPTION_IMAGE_BASE
:
5775 pe_image_base
= parse_vma (optarg
, "--image-base");
5778 case OPTION_PE_SECTION_ALIGNMENT
:
5779 pe_section_alignment
= parse_vma (optarg
,
5780 "--section-alignment");
5783 case OPTION_SUBSYSTEM
:
5784 set_pe_subsystem (optarg
);
5790 pe_stack_reserve
= strtoul (optarg
, &end
, 0);
5792 || (*end
!= '.' && *end
!= '\0'))
5793 non_fatal (_("%s: invalid reserve value for --stack"),
5795 else if (*end
!= '\0')
5797 pe_stack_commit
= strtoul (end
+ 1, &end
, 0);
5799 non_fatal (_("%s: invalid commit value for --stack"),
5805 case OPTION_VERILOG_DATA_WIDTH
:
5806 VerilogDataWidth
= parse_vma (optarg
, "--verilog-data-width");
5807 if (VerilogDataWidth
< 1)
5808 fatal (_("verilog data width must be at least 1 byte"));
5812 /* We've been given a long option. */
5817 copy_usage (stdout
, 0);
5820 copy_usage (stderr
, 1);
5824 if (use_globalize
&& use_keep_global
)
5825 fatal(_("--globalize-symbol(s) is incompatible with -G/--keep-global-symbol(s)"));
5834 print_version ("objcopy");
5836 if (interleave
&& copy_byte
== -1)
5837 fatal (_("interleave start byte must be set with --byte"));
5839 if (copy_byte
>= interleave
)
5840 fatal (_("byte number must be less than interleave"));
5842 if (copy_width
> interleave
- copy_byte
)
5843 fatal (_("interleave width must be less than or equal to interleave - byte`"));
5845 if (optind
== argc
|| optind
+ 2 < argc
)
5846 copy_usage (stderr
, 1);
5848 input_filename
= argv
[optind
];
5849 if (optind
+ 1 < argc
)
5850 output_filename
= argv
[optind
+ 1];
5852 default_deterministic ();
5854 /* Default is to strip no symbols. */
5855 if (strip_symbols
== STRIP_UNDEF
&& discard_locals
== LOCALS_UNDEF
)
5856 strip_symbols
= STRIP_NONE
;
5858 if (output_target
== NULL
)
5859 output_target
= input_target
;
5861 /* Convert input EFI target to PEI target. */
5862 if (input_target
!= NULL
5863 && strncmp (input_target
, "efi-", 4) == 0)
5867 efi
= xstrdup (output_target
+ 4);
5868 if (strncmp (efi
, "bsdrv-", 6) == 0
5869 || strncmp (efi
, "rtdrv-", 6) == 0)
5871 else if (strncmp (efi
, "app-", 4) != 0)
5872 fatal (_("unknown input EFI target: %s"), input_target
);
5875 convert_efi_target (efi
);
5878 /* Convert output EFI target to PEI target. */
5879 if (output_target
!= NULL
5880 && strncmp (output_target
, "efi-", 4) == 0)
5884 efi
= xstrdup (output_target
+ 4);
5885 if (strncmp (efi
, "app-", 4) == 0)
5887 if (pe_subsystem
== -1)
5888 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_APPLICATION
;
5890 else if (strncmp (efi
, "bsdrv-", 6) == 0)
5892 if (pe_subsystem
== -1)
5893 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER
;
5896 else if (strncmp (efi
, "rtdrv-", 6) == 0)
5898 if (pe_subsystem
== -1)
5899 pe_subsystem
= IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER
;
5903 fatal (_("unknown output EFI target: %s"), output_target
);
5905 if (pe_file_alignment
== (bfd_vma
) -1)
5906 pe_file_alignment
= PE_DEF_FILE_ALIGNMENT
;
5907 if (pe_section_alignment
== (bfd_vma
) -1)
5908 pe_section_alignment
= PE_DEF_SECTION_ALIGNMENT
;
5910 output_target
= efi
;
5911 convert_efi_target (efi
);
5914 /* If there is no destination file, or the source and destination files
5915 are the same, then create a temp and copy the result into the input. */
5917 if (output_filename
== NULL
5918 || filename_cmp (input_filename
, output_filename
) == 0)
5920 tmpname
= make_tempname (input_filename
, &tmpfd
);
5922 copyfd
= dup (tmpfd
);
5925 tmpname
= output_filename
;
5927 if (tmpname
== NULL
)
5929 fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
5930 input_filename
, strerror (errno
));
5933 copy_file (input_filename
, tmpname
, tmpfd
, &statbuf
, input_target
,
5934 output_target
, input_arch
);
5937 if (tmpname
!= output_filename
)
5938 status
= smart_rename (tmpname
, input_filename
, copyfd
,
5939 &statbuf
, preserve_dates
) != 0;
5945 unlink_if_ordinary (tmpname
);
5948 if (tmpname
!= output_filename
)
5953 struct section_list
*p
;
5955 for (p
= change_sections
; p
!= NULL
; p
= p
->next
)
5959 if (p
->context
& (SECTION_CONTEXT_SET_VMA
| SECTION_CONTEXT_ALTER_VMA
))
5963 sprintf_vma (buff
, p
->vma_val
);
5965 /* xgettext:c-format */
5966 non_fatal (_("%s %s%c0x%s never used"),
5967 "--change-section-vma",
5969 p
->context
& SECTION_CONTEXT_SET_VMA
? '=' : '+',
5973 if (p
->context
& (SECTION_CONTEXT_SET_LMA
| SECTION_CONTEXT_ALTER_LMA
))
5977 sprintf_vma (buff
, p
->lma_val
);
5979 /* xgettext:c-format */
5980 non_fatal (_("%s %s%c0x%s never used"),
5981 "--change-section-lma",
5983 p
->context
& SECTION_CONTEXT_SET_LMA
? '=' : '+',
5990 free (strip_specific_buffer
);
5991 free (strip_unneeded_buffer
);
5992 free (keep_specific_buffer
);
5993 free (localize_specific_buffer
);
5994 free (globalize_specific_buffer
);
5995 free (keepglobal_specific_buffer
);
5996 free (weaken_specific_buffer
);
6002 main (int argc
, char *argv
[])
6004 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
6005 setlocale (LC_MESSAGES
, "");
6007 #if defined (HAVE_SETLOCALE)
6008 setlocale (LC_CTYPE
, "");
6010 bindtextdomain (PACKAGE
, LOCALEDIR
);
6011 textdomain (PACKAGE
);
6013 program_name
= argv
[0];
6014 xmalloc_set_program_name (program_name
);
6016 START_PROGRESS (program_name
, 0);
6018 expandargv (&argc
, &argv
);
6020 strip_symbols
= STRIP_UNDEF
;
6021 discard_locals
= LOCALS_UNDEF
;
6023 if (bfd_init () != BFD_INIT_MAGIC
)
6024 fatal (_("fatal error: libbfd ABI mismatch"));
6025 set_default_bfd_target ();
6029 int i
= strlen (program_name
);
6030 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
6031 /* Drop the .exe suffix, if any. */
6032 if (i
> 4 && FILENAME_CMP (program_name
+ i
- 4, ".exe") == 0)
6035 program_name
[i
] = '\0';
6038 is_strip
= (i
>= 5 && FILENAME_CMP (program_name
+ i
- 5, "strip") == 0);
6041 create_symbol_htabs ();
6044 bfd_set_error_program_name (argv
[0]);
6047 strip_main (argc
, argv
);
6049 copy_main (argc
, argv
);
6051 END_PROGRESS (program_name
);