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* sysdep.h: Include sys/stat.h here.
[binutils.git] / binutils / objcopy.c
CommitLineData
252b5132 1/* objcopy.c -- copy object file from input to output, optionally massaging it.
8c2bc687 2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
dbb7c441 3 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
252b5132
RH		 4 Free Software Foundation, Inc.
5
6 This file is part of GNU Binutils.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
32866df7 10 the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
b43b5d5f
NC		 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, USA. */
252b5132 22\f
3db64b00 23#include "sysdep.h"
252b5132
RH		 24#include "bfd.h"
25#include "progress.h"
252b5132
RH		 26#include "getopt.h"
27#include "libiberty.h"
3db64b00 28#include "bucomm.h"
252b5132 29#include "budbg.h"
5af11cab 30#include "filenames.h"
5fe11841 31#include "fnmatch.h"
f0312d39 32#include "elf-bfd.h"
6e2c86ac 33#include "libbfd.h"
0408dee6
DK		 34#include "coff/internal.h"
35#include "libcoff.h"
252b5132 36
92dd4511
L		 37/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
38 header in generic PE code. */
39#include "coff/i386.h"
40#include "coff/pe.h"
41
42static bfd_vma pe_file_alignment = (bfd_vma) -1;
43static bfd_vma pe_heap_commit = (bfd_vma) -1;
44static bfd_vma pe_heap_reserve = (bfd_vma) -1;
45static bfd_vma pe_image_base = (bfd_vma) -1;
46static bfd_vma pe_section_alignment = (bfd_vma) -1;
47static bfd_vma pe_stack_commit = (bfd_vma) -1;
48static bfd_vma pe_stack_reserve = (bfd_vma) -1;
49static short pe_subsystem = -1;
50static short pe_major_subsystem_version = -1;
51static short pe_minor_subsystem_version = -1;
52
047c9024 53struct is_specified_symbol_predicate_data
252b5132 54{
047c9024
NC		 55 const char *name;
56 bfd_boolean found;
252b5132
RH		 57};
58
57938635
AM		 59/* A list to support redefine_sym. */
60struct redefine_node
61{
62 char *source;
63 char *target;
64 struct redefine_node *next;
65};
66
594ef5db
NC		 67typedef struct section_rename
68{
69 const char * old_name;
70 const char * new_name;
71 flagword flags;
72 struct section_rename * next;
73}
74section_rename;
75
76/* List of sections to be renamed. */
84e2f313 77static section_rename *section_rename_list;
594ef5db 78
84e2f313
NC		 79static asymbol **isympp = NULL; /* Input symbols. */
80static asymbol **osympp = NULL; /* Output symbols that survive stripping. */
252b5132 81
b7dd81f7 82/* If `copy_byte' >= 0, copy 'copy_width' byte(s) of every `interleave' bytes. */
252b5132 83static int copy_byte = -1;
b7dd81f7
NC		 84static int interleave = 0; /* Initialised to 4 in copy_main(). */
85static int copy_width = 1;
252b5132 86
b34976b6
AM		 87static bfd_boolean verbose; /* Print file and target names. */
88static bfd_boolean preserve_dates; /* Preserve input file timestamp. */
252b5132
RH		 89static int status = 0; /* Exit status. */
90
91enum strip_action
92 {
93 STRIP_UNDEF,
84e2f313
NC		 94 STRIP_NONE, /* Don't strip. */
95 STRIP_DEBUG, /* Strip all debugger symbols. */
96 STRIP_UNNEEDED, /* Strip unnecessary symbols. */
ed1653a7 97 STRIP_NONDEBUG, /* Strip everything but debug info. */
84e2f313 98 STRIP_ALL /* Strip all symbols. */
252b5132
RH		 99 };
100
0af11b59 101/* Which symbols to remove. */
252b5132
RH		 102static enum strip_action strip_symbols;
103
104enum locals_action
105 {
106 LOCALS_UNDEF,
84e2f313
NC		 107 LOCALS_START_L, /* Discard locals starting with L. */
108 LOCALS_ALL /* Discard all locals. */
252b5132
RH		 109 };
110
111/* Which local symbols to remove. Overrides STRIP_ALL. */
112static enum locals_action discard_locals;
113
114/* What kind of change to perform. */
115enum change_action
116{
117 CHANGE_IGNORE,
118 CHANGE_MODIFY,
119 CHANGE_SET
120};
121
122/* Structure used to hold lists of sections and actions to take. */
123struct section_list
124{
b34976b6
AM		 125 struct section_list * next; /* Next section to change. */
126 const char * name; /* Section name. */
127 bfd_boolean used; /* Whether this entry was used. */
128 bfd_boolean remove; /* Whether to remove this section. */
129 bfd_boolean copy; /* Whether to copy this section. */
130 enum change_action change_vma;/* Whether to change or set VMA. */
131 bfd_vma vma_val; /* Amount to change by or set to. */
132 enum change_action change_lma;/* Whether to change or set LMA. */
133 bfd_vma lma_val; /* Amount to change by or set to. */
134 bfd_boolean set_flags; /* Whether to set the section flags. */
135 flagword flags; /* What to set the section flags to. */
252b5132
RH		 136};
137
138static struct section_list *change_sections;
594ef5db 139
b34976b6
AM		 140/* TRUE if some sections are to be removed. */
141static bfd_boolean sections_removed;
594ef5db 142
b34976b6
AM		 143/* TRUE if only some sections are to be copied. */
144static bfd_boolean sections_copied;
252b5132
RH		 145
146/* Changes to the start address. */
147static bfd_vma change_start = 0;
b34976b6 148static bfd_boolean set_start_set = FALSE;
252b5132
RH		 149static bfd_vma set_start;
150
151/* Changes to section addresses. */
152static bfd_vma change_section_address = 0;
153
154/* Filling gaps between sections. */
b34976b6 155static bfd_boolean gap_fill_set = FALSE;
252b5132
RH		 156static bfd_byte gap_fill = 0;
157
158/* Pad to a given address. */
b34976b6 159static bfd_boolean pad_to_set = FALSE;
252b5132
RH		 160static bfd_vma pad_to;
161
f9d4ad2a
NC		 162/* Use alternative machine code? */
163static unsigned long use_alt_mach_code = 0;
1ae8b3d2 164
4087920c
MR		 165/* Output BFD flags user wants to set or clear */
166static flagword bfd_flags_to_set;
167static flagword bfd_flags_to_clear;
168
252b5132 169/* List of sections to add. */
252b5132
RH		 170struct section_add
171{
172 /* Next section to add. */
173 struct section_add *next;
174 /* Name of section to add. */
175 const char *name;
176 /* Name of file holding section contents. */
177 const char *filename;
178 /* Size of file. */
179 size_t size;
180 /* Contents of file. */
181 bfd_byte *contents;
182 /* BFD section, after it has been added. */
183 asection *section;
184};
185
594ef5db 186/* List of sections to add to the output BFD. */
252b5132
RH		 187static struct section_add *add_sections;
188
2593f09a
NC		 189/* If non-NULL the argument to --add-gnu-debuglink.
190 This should be the filename to store in the .gnu_debuglink section. */
191static const char * gnu_debuglink_filename = NULL;
192
252b5132 193/* Whether to convert debugging information. */
b34976b6 194static bfd_boolean convert_debugging = FALSE;
252b5132 195
4a114e3e
L		 196/* Whether to compress/decompress DWARF debug sections. */
197static enum
198{
199 nothing,
200 compress,
201 decompress
202} do_debug_sections = nothing;
203
252b5132 204/* Whether to change the leading character in symbol names. */
b34976b6 205static bfd_boolean change_leading_char = FALSE;
252b5132
RH		 206
207/* Whether to remove the leading character from global symbol names. */
b34976b6 208static bfd_boolean remove_leading_char = FALSE;
252b5132 209
aaad4cf3 210/* Whether to permit wildcard in symbol comparison. */
5fe11841
NC		 211static bfd_boolean wildcard = FALSE;
212
d58c2e3a
RS		 213/* True if --localize-hidden is in effect. */
214static bfd_boolean localize_hidden = FALSE;
215
16b2b71c
NC		 216/* List of symbols to strip, keep, localize, keep-global, weaken,
217 or redefine. */
047c9024
NC		 218static htab_t strip_specific_htab = NULL;
219static htab_t strip_unneeded_htab = NULL;
220static htab_t keep_specific_htab = NULL;
221static htab_t localize_specific_htab = NULL;
222static htab_t globalize_specific_htab = NULL;
223static htab_t keepglobal_specific_htab = NULL;
224static htab_t weaken_specific_htab = NULL;
57938635 225static struct redefine_node *redefine_sym_list = NULL;
252b5132 226
b34976b6
AM		 227/* If this is TRUE, we weaken global symbols (set BSF_WEAK). */
228static bfd_boolean weaken = FALSE;
252b5132 229
1637cd90
JB		 230/* If this is TRUE, we retain BSF_FILE symbols. */
231static bfd_boolean keep_file_symbols = FALSE;
232
d7fb0dd2
NC		 233/* Prefix symbols/sections. */
234static char *prefix_symbols_string = 0;
235static char *prefix_sections_string = 0;
236static char *prefix_alloc_sections_string = 0;
237
d3e52d40
RS		 238/* True if --extract-symbol was passed on the command line. */
239static bfd_boolean extract_symbol = FALSE;
240
9e48b4c6
NC		 241/* If `reverse_bytes' is nonzero, then reverse the order of every chunk
242 of <reverse_bytes> bytes within each output section. */
243static int reverse_bytes = 0;
244
0408dee6
DK		 245/* For Coff objects, we may want to allow or disallow long section names,
246 or preserve them where found in the inputs. Debug info relies on them. */
247enum long_section_name_handling
248 {
249 DISABLE,
250 ENABLE,
251 KEEP
252 };
253
254/* The default long section handling mode is to preserve them.
255 This is also the only behaviour for 'strip'. */
256static enum long_section_name_handling long_section_names = KEEP;
9e48b4c6 257
252b5132 258/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
84e2f313
NC		 259enum command_line_switch
260 {
261 OPTION_ADD_SECTION=150,
262 OPTION_CHANGE_ADDRESSES,
263 OPTION_CHANGE_LEADING_CHAR,
264 OPTION_CHANGE_START,
265 OPTION_CHANGE_SECTION_ADDRESS,
266 OPTION_CHANGE_SECTION_LMA,
267 OPTION_CHANGE_SECTION_VMA,
268 OPTION_CHANGE_WARNINGS,
4a114e3e 269 OPTION_COMPRESS_DEBUG_SECTIONS,
84e2f313 270 OPTION_DEBUGGING,
4a114e3e 271 OPTION_DECOMPRESS_DEBUG_SECTIONS,
84e2f313
NC		 272 OPTION_GAP_FILL,
273 OPTION_NO_CHANGE_WARNINGS,
274 OPTION_PAD_TO,
275 OPTION_REMOVE_LEADING_CHAR,
276 OPTION_SET_SECTION_FLAGS,
277 OPTION_SET_START,
278 OPTION_STRIP_UNNEEDED,
279 OPTION_WEAKEN,
280 OPTION_REDEFINE_SYM,
281 OPTION_REDEFINE_SYMS,
282 OPTION_SREC_LEN,
283 OPTION_SREC_FORCES3,
284 OPTION_STRIP_SYMBOLS,
bcf32829
JB		 285 OPTION_STRIP_UNNEEDED_SYMBOL,
286 OPTION_STRIP_UNNEEDED_SYMBOLS,
84e2f313 287 OPTION_KEEP_SYMBOLS,
d58c2e3a 288 OPTION_LOCALIZE_HIDDEN,
84e2f313 289 OPTION_LOCALIZE_SYMBOLS,
0408dee6 290 OPTION_LONG_SECTION_NAMES,
7b4a0685
NC		 291 OPTION_GLOBALIZE_SYMBOL,
292 OPTION_GLOBALIZE_SYMBOLS,
84e2f313
NC		 293 OPTION_KEEPGLOBAL_SYMBOLS,
294 OPTION_WEAKEN_SYMBOLS,
295 OPTION_RENAME_SECTION,
296 OPTION_ALT_MACH_CODE,
297 OPTION_PREFIX_SYMBOLS,
298 OPTION_PREFIX_SECTIONS,
299 OPTION_PREFIX_ALLOC_SECTIONS,
300 OPTION_FORMATS_INFO,
301 OPTION_ADD_GNU_DEBUGLINK,
4087920c 302 OPTION_ONLY_KEEP_DEBUG,
1637cd90 303 OPTION_KEEP_FILE_SYMBOLS,
4087920c
MR		 304 OPTION_READONLY_TEXT,
305 OPTION_WRITABLE_TEXT,
306 OPTION_PURE,
d3e52d40 307 OPTION_IMPURE,
9e48b4c6 308 OPTION_EXTRACT_SYMBOL,
92dd4511
L		 309 OPTION_REVERSE_BYTES,
310 OPTION_FILE_ALIGNMENT,
311 OPTION_HEAP,
312 OPTION_IMAGE_BASE,
313 OPTION_SECTION_ALIGNMENT,
314 OPTION_STACK,
b7dd81f7 315 OPTION_INTERLEAVE_WIDTH,
92dd4511 316 OPTION_SUBSYSTEM
84e2f313 317 };
252b5132
RH		 318
319/* Options to handle if running as "strip". */
320
321static struct option strip_options[] =
322{
323 {"discard-all", no_argument, 0, 'x'},
324 {"discard-locals", no_argument, 0, 'X'},
325 {"format", required_argument, 0, 'F'}, /* Obsolete */
326 {"help", no_argument, 0, 'h'},
7c29036b 327 {"info", no_argument, 0, OPTION_FORMATS_INFO},
252b5132
RH		 328 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
329 {"input-target", required_argument, 0, 'I'},
1637cd90 330 {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
252b5132 331 {"keep-symbol", required_argument, 0, 'K'},
ed1653a7 332 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
252b5132
RH		 333 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
334 {"output-target", required_argument, 0, 'O'},
af3bdff7 335 {"output-file", required_argument, 0, 'o'},
252b5132
RH		 336 {"preserve-dates", no_argument, 0, 'p'},
337 {"remove-section", required_argument, 0, 'R'},
338 {"strip-all", no_argument, 0, 's'},
339 {"strip-debug", no_argument, 0, 'S'},
340 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
341 {"strip-symbol", required_argument, 0, 'N'},
342 {"target", required_argument, 0, 'F'},
343 {"verbose", no_argument, 0, 'v'},
344 {"version", no_argument, 0, 'V'},
5fe11841 345 {"wildcard", no_argument, 0, 'w'},
252b5132
RH		 346 {0, no_argument, 0, 0}
347};
348
349/* Options to handle if running as "objcopy". */
350
351static struct option copy_options[] =
352{
2593f09a 353 {"add-gnu-debuglink", required_argument, 0, OPTION_ADD_GNU_DEBUGLINK},
252b5132
RH		 354 {"add-section", required_argument, 0, OPTION_ADD_SECTION},
355 {"adjust-start", required_argument, 0, OPTION_CHANGE_START},
356 {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES},
357 {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
358 {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
d7fb0dd2 359 {"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE},
43a0748c 360 {"binary-architecture", required_argument, 0, 'B'},
252b5132
RH		 361 {"byte", required_argument, 0, 'b'},
362 {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES},
363 {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR},
364 {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS},
365 {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA},
366 {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA},
367 {"change-start", required_argument, 0, OPTION_CHANGE_START},
368 {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
4a114e3e 369 {"compress-debug-sections", no_argument, 0, OPTION_COMPRESS_DEBUG_SECTIONS},
252b5132 370 {"debugging", no_argument, 0, OPTION_DEBUGGING},
4a114e3e 371 {"decompress-debug-sections", no_argument, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS},
252b5132
RH		 372 {"discard-all", no_argument, 0, 'x'},
373 {"discard-locals", no_argument, 0, 'X'},
d3e52d40 374 {"extract-symbol", no_argument, 0, OPTION_EXTRACT_SYMBOL},
252b5132
RH		 375 {"format", required_argument, 0, 'F'}, /* Obsolete */
376 {"gap-fill", required_argument, 0, OPTION_GAP_FILL},
7b4a0685
NC		 377 {"globalize-symbol", required_argument, 0, OPTION_GLOBALIZE_SYMBOL},
378 {"globalize-symbols", required_argument, 0, OPTION_GLOBALIZE_SYMBOLS},
252b5132 379 {"help", no_argument, 0, 'h'},
4087920c 380 {"impure", no_argument, 0, OPTION_IMPURE},
7c29036b 381 {"info", no_argument, 0, OPTION_FORMATS_INFO},
252b5132
RH		 382 {"input-format", required_argument, 0, 'I'}, /* Obsolete */
383 {"input-target", required_argument, 0, 'I'},
b7dd81f7
NC		 384 {"interleave", optional_argument, 0, 'i'},
385 {"interleave-width", required_argument, 0, OPTION_INTERLEAVE_WIDTH},
1637cd90 386 {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
d7fb0dd2
NC		 387 {"keep-global-symbol", required_argument, 0, 'G'},
388 {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
252b5132 389 {"keep-symbol", required_argument, 0, 'K'},
d7fb0dd2 390 {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS},
d58c2e3a 391 {"localize-hidden", no_argument, 0, OPTION_LOCALIZE_HIDDEN},
d7fb0dd2
NC		 392 {"localize-symbol", required_argument, 0, 'L'},
393 {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS},
0408dee6 394 {"long-section-names", required_argument, 0, OPTION_LONG_SECTION_NAMES},
252b5132
RH		 395 {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
396 {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS},
ed1653a7 397 {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG},
d7fb0dd2 398 {"only-section", required_argument, 0, 'j'},
252b5132
RH		 399 {"output-format", required_argument, 0, 'O'}, /* Obsolete */
400 {"output-target", required_argument, 0, 'O'},
401 {"pad-to", required_argument, 0, OPTION_PAD_TO},
d7fb0dd2
NC		 402 {"prefix-symbols", required_argument, 0, OPTION_PREFIX_SYMBOLS},
403 {"prefix-sections", required_argument, 0, OPTION_PREFIX_SECTIONS},
404 {"prefix-alloc-sections", required_argument, 0, OPTION_PREFIX_ALLOC_SECTIONS},
252b5132 405 {"preserve-dates", no_argument, 0, 'p'},
4087920c
MR		 406 {"pure", no_argument, 0, OPTION_PURE},
407 {"readonly-text", no_argument, 0, OPTION_READONLY_TEXT},
d7fb0dd2 408 {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM},
92991082 409 {"redefine-syms", required_argument, 0, OPTION_REDEFINE_SYMS},
252b5132
RH		 410 {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR},
411 {"remove-section", required_argument, 0, 'R'},
594ef5db 412 {"rename-section", required_argument, 0, OPTION_RENAME_SECTION},
9e48b4c6 413 {"reverse-bytes", required_argument, 0, OPTION_REVERSE_BYTES},
252b5132
RH		 414 {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS},
415 {"set-start", required_argument, 0, OPTION_SET_START},
d7fb0dd2
NC		 416 {"srec-len", required_argument, 0, OPTION_SREC_LEN},
417 {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3},
252b5132
RH		 418 {"strip-all", no_argument, 0, 'S'},
419 {"strip-debug", no_argument, 0, 'g'},
420 {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED},
bcf32829
JB		 421 {"strip-unneeded-symbol", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOL},
422 {"strip-unneeded-symbols", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOLS},
252b5132 423 {"strip-symbol", required_argument, 0, 'N'},
d7fb0dd2 424 {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS},
252b5132
RH		 425 {"target", required_argument, 0, 'F'},
426 {"verbose", no_argument, 0, 'v'},
427 {"version", no_argument, 0, 'V'},
428 {"weaken", no_argument, 0, OPTION_WEAKEN},
429 {"weaken-symbol", required_argument, 0, 'W'},
16b2b71c 430 {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS},
5fe11841 431 {"wildcard", no_argument, 0, 'w'},
4087920c 432 {"writable-text", no_argument, 0, OPTION_WRITABLE_TEXT},
92dd4511
L		 433 {"file-alignment", required_argument, 0, OPTION_FILE_ALIGNMENT},
434 {"heap", required_argument, 0, OPTION_HEAP},
435 {"image-base", required_argument, 0 , OPTION_IMAGE_BASE},
436 {"section-alignment", required_argument, 0, OPTION_SECTION_ALIGNMENT},
437 {"stack", required_argument, 0, OPTION_STACK},
438 {"subsystem", required_argument, 0, OPTION_SUBSYSTEM},
252b5132
RH		 439 {0, no_argument, 0, 0}
440};
441
442/* IMPORTS */
443extern char *program_name;
444
445/* This flag distinguishes between strip and objcopy:
446 1 means this is 'strip'; 0 means this is 'objcopy'.
0af11b59 447 -1 means if we should use argv[0] to decide. */
252b5132
RH		 448extern int is_strip;
449
420496c1
NC		 450/* The maximum length of an S record. This variable is declared in srec.c
451 and can be modified by the --srec-len parameter. */
452extern unsigned int Chunk;
453
454/* Restrict the generation of Srecords to type S3 only.
455 This variable is declare in bfd/srec.c and can be toggled
456 on by the --srec-forceS3 command line switch. */
b34976b6 457extern bfd_boolean S3Forced;
252b5132 458
d3ba0551
AM		 459/* Forward declarations. */
460static void setup_section (bfd *, asection *, void *);
80fccad2 461static void setup_bfd_headers (bfd *, bfd *);
d3ba0551
AM		 462static void copy_section (bfd *, asection *, void *);
463static void get_sections (bfd *, asection *, void *);
464static int compare_section_lma (const void *, const void *);
465static void mark_symbols_used_in_relocations (bfd *, asection *, void *);
466static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***);
467static const char *lookup_sym_redefinition (const char *);
594ef5db 468\f
252b5132 469static void
84e2f313 470copy_usage (FILE *stream, int exit_status)
252b5132 471{
8b53311e
NC		 472 fprintf (stream, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
473 fprintf (stream, _(" Copies a binary file, possibly transforming it in the process\n"));
6364e0b4 474 fprintf (stream, _(" The options are:\n"));
252b5132 475 fprintf (stream, _("\
d5bcb29d
NC		 476 -I --input-target <bfdname> Assume input file is in format <bfdname>\n\
477 -O --output-target <bfdname> Create an output file in format <bfdname>\n\
8b31b6c4 478 -B --binary-architecture <arch> Set output arch, when input is arch-less\n\
d5bcb29d
NC		 479 -F --target <bfdname> Set both input and output format to <bfdname>\n\
480 --debugging Convert debugging information, if possible\n\
481 -p --preserve-dates Copy modified/access timestamps to the output\n\
482 -j --only-section <name> Only copy section <name> into the output\n\
2593f09a 483 --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\
d5bcb29d
NC		 484 -R --remove-section <name> Remove section <name> from the output\n\
485 -S --strip-all Remove all symbol and relocation information\n\
2593f09a 486 -g --strip-debug Remove all debugging symbols & sections\n\
d5bcb29d
NC		 487 --strip-unneeded Remove all symbols not needed by relocations\n\
488 -N --strip-symbol <name> Do not copy symbol <name>\n\
bcf32829
JB		 489 --strip-unneeded-symbol <name>\n\
490 Do not copy symbol <name> unless needed by\n\
491 relocations\n\
6ea3dd37 492 --only-keep-debug Strip everything but the debug information\n\
d3e52d40 493 --extract-symbol Remove section contents but keep symbols\n\
e7f918ad 494 -K --keep-symbol <name> Do not strip symbol <name>\n\
1637cd90 495 --keep-file-symbols Do not strip file symbol(s)\n\
d58c2e3a 496 --localize-hidden Turn all ELF hidden symbols into locals\n\
d5bcb29d 497 -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
7b4a0685 498 --globalize-symbol <name> Force symbol <name> to be marked as a global\n\
16b2b71c 499 -G --keep-global-symbol <name> Localize all symbols except <name>\n\
d5bcb29d
NC		 500 -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
501 --weaken Force all global symbols to be marked as weak\n\
a95b5cf9 502 -w --wildcard Permit wildcard in symbol comparison\n\
d5bcb29d
NC		 503 -x --discard-all Remove all non-global symbols\n\
504 -X --discard-locals Remove any compiler-generated symbols\n\
b7dd81f7
NC		 505 -i --interleave [<number>] Only copy N out of every <number> bytes\n\
506 --interleave-width <number> Set N for --interleave\n\
d5bcb29d
NC		 507 -b --byte <num> Select byte <num> in every interleaved block\n\
508 --gap-fill <val> Fill gaps between sections with <val>\n\
509 --pad-to <addr> Pad the last section up to address <addr>\n\
510 --set-start <addr> Set the start address to <addr>\n\
511 {--change-start|--adjust-start} <incr>\n\
512 Add <incr> to the start address\n\
513 {--change-addresses|--adjust-vma} <incr>\n\
514 Add <incr> to LMA, VMA and start addresses\n\
515 {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\
516 Change LMA and VMA of section <name> by <val>\n\
517 --change-section-lma <name>{=|+|-}<val>\n\
518 Change the LMA of section <name> by <val>\n\
519 --change-section-vma <name>{=|+|-}<val>\n\
520 Change the VMA of section <name> by <val>\n\
521 {--[no-]change-warnings|--[no-]adjust-warnings}\n\
522 Warn if a named section does not exist\n\
523 --set-section-flags <name>=<flags>\n\
524 Set section <name>'s properties to <flags>\n\
525 --add-section <name>=<file> Add section <name> found in <file> to output\n\
594ef5db 526 --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\
0408dee6
DK		 527 --long-section-names {enable|disable|keep}\n\
528 Handle long section names in Coff objects.\n\
d5bcb29d
NC		 529 --change-leading-char Force output format's leading character style\n\
530 --remove-leading-char Remove leading character from global symbols\n\
9e48b4c6 531 --reverse-bytes=<num> Reverse <num> bytes at a time, in output sections with content\n\
57938635 532 --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\
92991082
JT		 533 --redefine-syms <file> --redefine-sym for all symbol pairs \n\
534 listed in <file>\n\
420496c1
NC		 535 --srec-len <number> Restrict the length of generated Srecords\n\
536 --srec-forceS3 Restrict the type of generated Srecords to S3\n\
16b2b71c 537 --strip-symbols <file> -N for all symbols listed in <file>\n\
bcf32829
JB		 538 --strip-unneeded-symbols <file>\n\
539 --strip-unneeded-symbol for all symbols listed\n\
540 in <file>\n\
16b2b71c
NC		 541 --keep-symbols <file> -K for all symbols listed in <file>\n\
542 --localize-symbols <file> -L for all symbols listed in <file>\n\
7b4a0685 543 --globalize-symbols <file> --globalize-symbol for all in <file>\n\
16b2b71c
NC		 544 --keep-global-symbols <file> -G for all symbols listed in <file>\n\
545 --weaken-symbols <file> -W for all symbols listed in <file>\n\
f9d4ad2a 546 --alt-machine-code <index> Use the target's <index>'th alternative machine\n\
4087920c
MR		 547 --writable-text Mark the output text as writable\n\
548 --readonly-text Make the output text write protected\n\
549 --pure Mark the output file as demand paged\n\
550 --impure Mark the output file as impure\n\
d7fb0dd2
NC		 551 --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
552 --prefix-sections <prefix> Add <prefix> to start of every section name\n\
553 --prefix-alloc-sections <prefix>\n\
554 Add <prefix> to start of every allocatable\n\
555 section name\n\
92dd4511
L		 556 --file-alignment <num> Set PE file alignment to <num>\n\
557 --heap <reserve>[,<commit>] Set PE reserve/commit heap to <reserve>/\n\
558 <commit>\n\
559 --image-base <address> Set PE image base to <address>\n\
560 --section-alignment <num> Set PE section alignment to <num>\n\
561 --stack <reserve>[,<commit>] Set PE reserve/commit stack to <reserve>/\n\
562 <commit>\n\
563 --subsystem <name>[:<version>]\n\
447049af 564 Set PE subsystem to <name> [& <version>]\n\
4a114e3e
L		 565 --compress-debug-sections Compress DWARF debug sections using zlib\n\
566 --decompress-debug-sections Decompress DWARF debug sections using zlib\n\
d5bcb29d 567 -v --verbose List all object files modified\n\
07012eee 568 @<file> Read options from <file>\n\
d5bcb29d
NC		 569 -V --version Display this program's version number\n\
570 -h --help Display this output\n\
7c29036b 571 --info List object formats & architectures supported\n\
d5bcb29d 572"));
252b5132 573 list_supported_targets (program_name, stream);
92f01d61 574 if (REPORT_BUGS_TO[0] && exit_status == 0)
8ad3436c 575 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
252b5132
RH		 576 exit (exit_status);
577}
578
579static void
84e2f313 580strip_usage (FILE *stream, int exit_status)
252b5132 581{
8b53311e
NC		 582 fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name);
583 fprintf (stream, _(" Removes symbols and sections from files\n"));
6364e0b4 584 fprintf (stream, _(" The options are:\n"));
252b5132 585 fprintf (stream, _("\
8b53311e
NC		 586 -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\
587 -O --output-target=<bfdname> Create an output file in format <bfdname>\n\
588 -F --target=<bfdname> Set both input and output format to <bfdname>\n\
d5bcb29d 589 -p --preserve-dates Copy modified/access timestamps to the output\n\
8b53311e 590 -R --remove-section=<name> Remove section <name> from the output\n\
d5bcb29d 591 -s --strip-all Remove all symbol and relocation information\n\
2593f09a 592 -g -S -d --strip-debug Remove all debugging symbols & sections\n\
d5bcb29d 593 --strip-unneeded Remove all symbols not needed by relocations\n\
6ea3dd37 594 --only-keep-debug Strip everything but the debug information\n\
8b53311e 595 -N --strip-symbol=<name> Do not copy symbol <name>\n\
5219e4c0 596 -K --keep-symbol=<name> Do not strip symbol <name>\n\
1637cd90 597 --keep-file-symbols Do not strip file symbol(s)\n\
a95b5cf9 598 -w --wildcard Permit wildcard in symbol comparison\n\
d5bcb29d
NC		 599 -x --discard-all Remove all non-global symbols\n\
600 -X --discard-locals Remove any compiler-generated symbols\n\
601 -v --verbose List all object files modified\n\
602 -V --version Display this program's version number\n\
603 -h --help Display this output\n\
7c29036b 604 --info List object formats & architectures supported\n\
d5bcb29d
NC		 605 -o <file> Place stripped output into <file>\n\
606"));
607
252b5132 608 list_supported_targets (program_name, stream);
92f01d61 609 if (REPORT_BUGS_TO[0] && exit_status == 0)
8ad3436c 610 fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
252b5132
RH		 611 exit (exit_status);
612}
613
614/* Parse section flags into a flagword, with a fatal error if the
615 string can't be parsed. */
616
617static flagword
84e2f313 618parse_flags (const char *s)
252b5132
RH		 619{
620 flagword ret;
621 const char *snext;
622 int len;
623
624 ret = SEC_NO_FLAGS;
625
626 do
627 {
628 snext = strchr (s, ',');
629 if (snext == NULL)
630 len = strlen (s);
631 else
632 {
633 len = snext - s;
634 ++snext;
635 }
636
637 if (0) ;
638#define PARSE_FLAG(fname,fval) \
639 else if (strncasecmp (fname, s, len) == 0) ret |= fval
640 PARSE_FLAG ("alloc", SEC_ALLOC);
641 PARSE_FLAG ("load", SEC_LOAD);
3994e2c6 642 PARSE_FLAG ("noload", SEC_NEVER_LOAD);
252b5132 643 PARSE_FLAG ("readonly", SEC_READONLY);
3994e2c6 644 PARSE_FLAG ("debug", SEC_DEBUGGING);
252b5132
RH		 645 PARSE_FLAG ("code", SEC_CODE);
646 PARSE_FLAG ("data", SEC_DATA);
647 PARSE_FLAG ("rom", SEC_ROM);
ebe372c1 648 PARSE_FLAG ("share", SEC_COFF_SHARED);
252b5132
RH		 649 PARSE_FLAG ("contents", SEC_HAS_CONTENTS);
650#undef PARSE_FLAG
651 else
652 {
653 char *copy;
654
3f5e193b 655 copy = (char *) xmalloc (len + 1);
252b5132
RH		 656 strncpy (copy, s, len);
657 copy[len] = '\0';
658 non_fatal (_("unrecognized section flag `%s'"), copy);
57938635
AM		 659 fatal (_("supported flags: %s"),
660 "alloc, load, noload, readonly, debug, code, data, rom, share, contents");
252b5132
RH		 661 }
662
663 s = snext;
664 }
665 while (s != NULL);
666
667 return ret;
668}
669
670/* Find and optionally add an entry in the change_sections list. */
671
672static struct section_list *
84e2f313 673find_section_list (const char *name, bfd_boolean add)
252b5132 674{
84e2f313 675 struct section_list *p;
252b5132
RH		 676
677 for (p = change_sections; p != NULL; p = p->next)
678 if (strcmp (p->name, name) == 0)
679 return p;
680
681 if (! add)
682 return NULL;
683
3f5e193b 684 p = (struct section_list *) xmalloc (sizeof (struct section_list));
252b5132 685 p->name = name;
b34976b6
AM		 686 p->used = FALSE;
687 p->remove = FALSE;
688 p->copy = FALSE;
252b5132
RH		 689 p->change_vma = CHANGE_IGNORE;
690 p->change_lma = CHANGE_IGNORE;
691 p->vma_val = 0;
692 p->lma_val = 0;
b34976b6 693 p->set_flags = FALSE;
252b5132
RH		 694 p->flags = 0;
695
696 p->next = change_sections;
697 change_sections = p;
698
699 return p;
700}
701
047c9024
NC		 702/* There is htab_hash_string but no htab_eq_string. Makes sense. */
703
704static int
705eq_string (const void *s1, const void *s2)
706{
3f5e193b 707 return strcmp ((const char *) s1, (const char *) s2) == 0;
047c9024
NC		 708}
709
710static htab_t
711create_symbol_htab (void)
712{
713 return htab_create_alloc (16, htab_hash_string, eq_string, NULL, xcalloc, free);
714}
252b5132 715
57938635 716static void
047c9024 717create_symbol_htabs (void)
252b5132 718{
047c9024
NC		 719 strip_specific_htab = create_symbol_htab ();
720 strip_unneeded_htab = create_symbol_htab ();
721 keep_specific_htab = create_symbol_htab ();
722 localize_specific_htab = create_symbol_htab ();
723 globalize_specific_htab = create_symbol_htab ();
724 keepglobal_specific_htab = create_symbol_htab ();
725 weaken_specific_htab = create_symbol_htab ();
726}
727
728/* Add a symbol to strip_specific_list. */
252b5132 729
047c9024
NC		 730static void
731add_specific_symbol (const char *name, htab_t htab)
732{
733 *htab_find_slot (htab, name, INSERT) = (char *) name;
252b5132
RH		 734}
735
0af11b59 736/* Add symbols listed in `filename' to strip_specific_list. */
16b2b71c
NC		 737
738#define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t')
739#define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0')
740
741static void
047c9024 742add_specific_symbols (const char *filename, htab_t htab)
16b2b71c 743{
f24ddbdd 744 off_t size;
16b2b71c
NC		 745 FILE * f;
746 char * line;
747 char * buffer;
748 unsigned int line_count;
0af11b59 749
f24ddbdd
NC		 750 size = get_file_size (filename);
751 if (size == 0)
d68c385b
NC		 752 {
753 status = 1;
754 return;
755 }
16b2b71c 756
3f5e193b 757 buffer = (char *) xmalloc (size + 2);
16b2b71c
NC		 758 f = fopen (filename, FOPEN_RT);
759 if (f == NULL)
f24ddbdd 760 fatal (_("cannot open '%s': %s"), filename, strerror (errno));
16b2b71c 761
f24ddbdd 762 if (fread (buffer, 1, size, f) == 0 || ferror (f))
16b2b71c
NC		 763 fatal (_("%s: fread failed"), filename);
764
765 fclose (f);
f24ddbdd
NC		 766 buffer [size] = '\n';
767 buffer [size + 1] = '\0';
16b2b71c
NC		 768
769 line_count = 1;
0af11b59 770
16b2b71c
NC		 771 for (line = buffer; * line != '\0'; line ++)
772 {
773 char * eol;
774 char * name;
775 char * name_end;
b34976b6 776 int finished = FALSE;
16b2b71c
NC		 777
778 for (eol = line;; eol ++)
779 {
780 switch (* eol)
781 {
782 case '\n':
783 * eol = '\0';
784 /* Cope with \n\r. */
785 if (eol[1] == '\r')
786 ++ eol;
b34976b6 787 finished = TRUE;
16b2b71c 788 break;
0af11b59 789
16b2b71c
NC		 790 case '\r':
791 * eol = '\0';
792 /* Cope with \r\n. */
793 if (eol[1] == '\n')
794 ++ eol;
b34976b6 795 finished = TRUE;
16b2b71c 796 break;
0af11b59 797
16b2b71c 798 case 0:
b34976b6 799 finished = TRUE;
16b2b71c 800 break;
0af11b59 801
16b2b71c
NC		 802 case '#':
803 /* Line comment, Terminate the line here, in case a
804 name is present and then allow the rest of the
805 loop to find the real end of the line. */
806 * eol = '\0';
807 break;
0af11b59 808
16b2b71c
NC		 809 default:
810 break;
811 }
812
813 if (finished)
814 break;
815 }
816
817 /* A name may now exist somewhere between 'line' and 'eol'.
818 Strip off leading whitespace and trailing whitespace,
819 then add it to the list. */
820 for (name = line; IS_WHITESPACE (* name); name ++)
821 ;
822 for (name_end = name;
823 (! IS_WHITESPACE (* name_end))
824 && (! IS_LINE_TERMINATOR (* name_end));
0af11b59
KH		 825 name_end ++)
826 ;
16b2b71c
NC		 827
828 if (! IS_LINE_TERMINATOR (* name_end))
829 {
830 char * extra;
831
832 for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++)
833 ;
834
835 if (! IS_LINE_TERMINATOR (* extra))
d412a550
NC		 836 non_fatal (_("%s:%d: Ignoring rubbish found on this line"),
837 filename, line_count);
16b2b71c 838 }
0af11b59 839
16b2b71c
NC		 840 * name_end = '\0';
841
842 if (name_end > name)
047c9024 843 add_specific_symbol (name, htab);
16b2b71c
NC		 844
845 /* Advance line pointer to end of line. The 'eol ++' in the for
846 loop above will then advance us to the start of the next line. */
847 line = eol;
848 line_count ++;
849 }
850}
851
047c9024
NC		 852/* See whether a symbol should be stripped or kept
853 based on strip_specific_list and keep_symbols. */
252b5132 854
047c9024
NC		 855static int
856is_specified_symbol_predicate (void **slot, void *data)
252b5132 857{
3f5e193b
NC		 858 struct is_specified_symbol_predicate_data *d =
859 (struct is_specified_symbol_predicate_data *) data;
860 const char *slot_name = (char *) *slot;
252b5132 861
047c9024 862 if (*slot_name != '!')
5fe11841 863 {
047c9024
NC		 864 if (! fnmatch (slot_name, d->name, 0))
865 {
866 d->found = TRUE;
867 /* Stop traversal. */
868 return 0;
869 }
5fe11841
NC		 870 }
871 else
872 {
047c9024
NC		 873 if (fnmatch (slot_name + 1, d->name, 0))
874 {
875 d->found = TRUE;
876 /* Stop traversal. */
877 return 0;
878 }
5fe11841 879 }
594ef5db 880
047c9024
NC		 881 /* Continue traversal. */
882 return 1;
883}
884
885static bfd_boolean
886is_specified_symbol (const char *name, htab_t htab)
887{
888 if (wildcard)
889 {
890 struct is_specified_symbol_predicate_data data;
891
892 data.name = name;
893 data.found = FALSE;
894
895 htab_traverse (htab, is_specified_symbol_predicate, &data);
896
897 return data.found;
898 }
899
900 return htab_find (htab, name) != NULL;
252b5132
RH		 901}
902
30288845
AM		 903/* Return a pointer to the symbol used as a signature for GROUP. */
904
905static asymbol *
906group_signature (asection *group)
907{
908 bfd *abfd = group->owner;
909 Elf_Internal_Shdr *ghdr;
910
911 if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
912 return NULL;
913
914 ghdr = &elf_section_data (group)->this_hdr;
915 if (ghdr->sh_link < elf_numsections (abfd))
916 {
917 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
918 Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link];
919
920 if (symhdr->sh_type == SHT_SYMTAB
921 && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym)
748fc5e9 922 return isympp[ghdr->sh_info - 1];
30288845
AM		 923 }
924 return NULL;
925}
926
4c8e8a7e 927/* See if a non-group section is being removed. */
252b5132 928
b34976b6 929static bfd_boolean
4c8e8a7e 930is_strip_section_1 (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
252b5132 931{
2593f09a
NC		 932 if (sections_removed || sections_copied)
933 {
934 struct section_list *p;
935
936 p = find_section_list (bfd_get_section_name (abfd, sec), FALSE);
937
938 if (sections_removed && p != NULL && p->remove)
939 return TRUE;
940 if (sections_copied && (p == NULL || ! p->copy))
941 return TRUE;
942 }
252b5132 943
2593f09a
NC		 944 if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0)
945 {
946 if (strip_symbols == STRIP_DEBUG
252b5132
RH		 947 || strip_symbols == STRIP_UNNEEDED
948 || strip_symbols == STRIP_ALL
949 || discard_locals == LOCALS_ALL
2593f09a
NC		 950 || convert_debugging)
951 return TRUE;
ed1653a7
NC		 952
953 if (strip_symbols == STRIP_NONDEBUG)
954 return FALSE;
2593f09a 955 }
f91ea849 956
4c8e8a7e
L		 957 return FALSE;
958}
959
960/* See if a section is being removed. */
961
962static bfd_boolean
963is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec)
964{
965 if (is_strip_section_1 (abfd, sec))
966 return TRUE;
967
30288845
AM		 968 if ((bfd_get_section_flags (abfd, sec) & SEC_GROUP) != 0)
969 {
970 asymbol *gsym;
971 const char *gname;
4c8e8a7e 972 asection *elt, *first;
30288845 973
30288845
AM		 974 /* PR binutils/3181
975 If we are going to strip the group signature symbol, then
976 strip the group section too. */
977 gsym = group_signature (sec);
978 if (gsym != NULL)
979 gname = gsym->name;
980 else
981 gname = sec->name;
982 if ((strip_symbols == STRIP_ALL
047c9024
NC		 983 && !is_specified_symbol (gname, keep_specific_htab))
984 || is_specified_symbol (gname, strip_specific_htab))
30288845 985 return TRUE;
4c8e8a7e
L		 986
987 /* Remove the group section if all members are removed. */
988 first = elt = elf_next_in_group (sec);
989 while (elt != NULL)
990 {
991 if (!is_strip_section_1 (abfd, elt))
992 return FALSE;
993 elt = elf_next_in_group (elt);
994 if (elt == first)
995 break;
996 }
997
998 return TRUE;
30288845 999 }
91bb255c 1000
f0312d39 1001 return FALSE;
252b5132
RH		 1002}
1003
d58c2e3a
RS		 1004/* Return true if SYM is a hidden symbol. */
1005
1006static bfd_boolean
1007is_hidden_symbol (asymbol *sym)
1008{
1009 elf_symbol_type *elf_sym;
1010
1011 elf_sym = elf_symbol_from (sym->the_bfd, sym);
1012 if (elf_sym != NULL)
1013 switch (ELF_ST_VISIBILITY (elf_sym->internal_elf_sym.st_other))
1014 {
1015 case STV_HIDDEN:
1016 case STV_INTERNAL:
1017 return TRUE;
1018 }
1019 return FALSE;
1020}
1021
252b5132
RH		 1022/* Choose which symbol entries to copy; put the result in OSYMS.
1023 We don't copy in place, because that confuses the relocs.
1024 Return the number of symbols to print. */
1025
1026static unsigned int
84e2f313
NC		 1027filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
1028 asymbol **isyms, long symcount)
252b5132 1029{
84e2f313 1030 asymbol **from = isyms, **to = osyms;
252b5132 1031 long src_count = 0, dst_count = 0;
e205a099 1032 int relocatable = (abfd->flags & (EXEC_P | DYNAMIC)) == 0;
252b5132
RH		 1033
1034 for (; src_count < symcount; src_count++)
1035 {
1036 asymbol *sym = from[src_count];
1037 flagword flags = sym->flags;
d7fb0dd2 1038 char *name = (char *) bfd_asymbol_name (sym);
312aaa3c
NC		 1039 bfd_boolean keep;
1040 bfd_boolean used_in_reloc = FALSE;
b34976b6 1041 bfd_boolean undefined;
d7fb0dd2
NC		 1042 bfd_boolean rem_leading_char;
1043 bfd_boolean add_leading_char;
1044
1045 undefined = bfd_is_und_section (bfd_get_section (sym));
252b5132 1046
57938635
AM		 1047 if (redefine_sym_list)
1048 {
d7fb0dd2 1049 char *old_name, *new_name;
57938635 1050
d7fb0dd2
NC		 1051 old_name = (char *) bfd_asymbol_name (sym);
1052 new_name = (char *) lookup_sym_redefinition (old_name);
66491ebc
AM		 1053 bfd_asymbol_name (sym) = new_name;
1054 name = new_name;
57938635
AM		 1055 }
1056
d7fb0dd2
NC		 1057 /* Check if we will remove the current leading character. */
1058 rem_leading_char =
1059 (name[0] == bfd_get_symbol_leading_char (abfd))
1060 && (change_leading_char
1061 || (remove_leading_char
1062 && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
1063 || undefined
1064 || bfd_is_com_section (bfd_get_section (sym)))));
1065
1066 /* Check if we will add a new leading character. */
1067 add_leading_char =
1068 change_leading_char
1069 && (bfd_get_symbol_leading_char (obfd) != '\0')
1070 && (bfd_get_symbol_leading_char (abfd) == '\0'
1071 || (name[0] == bfd_get_symbol_leading_char (abfd)));
1072
1073 /* Short circuit for change_leading_char if we can do it in-place. */
1074 if (rem_leading_char && add_leading_char && !prefix_symbols_string)
1075 {
1076 name[0] = bfd_get_symbol_leading_char (obfd);
1077 bfd_asymbol_name (sym) = name;
1078 rem_leading_char = FALSE;
1079 add_leading_char = FALSE;
1080 }
1081
1082 /* Remove leading char. */
1083 if (rem_leading_char)
66491ebc 1084 bfd_asymbol_name (sym) = ++name;
d7fb0dd2
NC		 1085
1086 /* Add new leading char and/or prefix. */
1087 if (add_leading_char || prefix_symbols_string)
1088 {
1089 char *n, *ptr;
1090
3f5e193b
NC		 1091 ptr = n = (char *) xmalloc (1 + strlen (prefix_symbols_string)
1092 + strlen (name) + 1);
d7fb0dd2
NC		 1093 if (add_leading_char)
1094 *ptr++ = bfd_get_symbol_leading_char (obfd);
1095
1096 if (prefix_symbols_string)
1097 {
1098 strcpy (ptr, prefix_symbols_string);
1099 ptr += strlen (prefix_symbols_string);
1100 }
1101
1102 strcpy (ptr, name);
66491ebc
AM		 1103 bfd_asymbol_name (sym) = n;
1104 name = n;
252b5132
RH		 1105 }
1106
252b5132 1107 if (strip_symbols == STRIP_ALL)
312aaa3c 1108 keep = FALSE;
252b5132
RH		 1109 else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */
1110 || ((flags & BSF_SECTION_SYM) != 0
1111 && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags
1112 & BSF_KEEP) != 0))
312aaa3c
NC		 1113 {
1114 keep = TRUE;
1115 used_in_reloc = TRUE;
1116 }
0af11b59 1117 else if (relocatable /* Relocatable file. */
0691f7af
L		 1118 && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0
1119 || bfd_is_com_section (bfd_get_section (sym))))
312aaa3c 1120 keep = TRUE;
16b2b71c
NC		 1121 else if (bfd_decode_symclass (sym) == 'I')
1122 /* Global symbols in $idata sections need to be retained
b34976b6 1123 even if relocatable is FALSE. External users of the
16b2b71c
NC		 1124 library containing the $idata section may reference these
1125 symbols. */
312aaa3c 1126 keep = TRUE;
252b5132
RH		 1127 else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */
1128 || (flags & BSF_WEAK) != 0
24e01a36 1129 || undefined
252b5132
RH		 1130 || bfd_is_com_section (bfd_get_section (sym)))
1131 keep = strip_symbols != STRIP_UNNEEDED;
1132 else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
1133 keep = (strip_symbols != STRIP_DEBUG
1134 && strip_symbols != STRIP_UNNEEDED
1135 && ! convert_debugging);
082b7297 1136 else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym)))
af3bdff7
NC		 1137 /* COMDAT sections store special information in local
1138 symbols, so we cannot risk stripping any of them. */
312aaa3c 1139 keep = TRUE;
252b5132
RH		 1140 else /* Local symbol. */
1141 keep = (strip_symbols != STRIP_UNNEEDED
1142 && (discard_locals != LOCALS_ALL
1143 && (discard_locals != LOCALS_START_L
1144 || ! bfd_is_local_label (abfd, sym))));
1145
047c9024 1146 if (keep && is_specified_symbol (name, strip_specific_htab))
312aaa3c
NC		 1147 {
1148 /* There are multiple ways to set 'keep' above, but if it
1149 was the relocatable symbol case, then that's an error. */
1150 if (used_in_reloc)
1151 {
1152 non_fatal (_("not stripping symbol `%s' because it is named in a relocation"), name);
1153 status = 1;
1154 }
1155 else
1156 keep = FALSE;
1157 }
1158
bcf32829
JB		 1159 if (keep
1160 && !(flags & BSF_KEEP)
047c9024 1161 && is_specified_symbol (name, strip_unneeded_htab))
312aaa3c
NC		 1162 keep = FALSE;
1163
1637cd90
JB		 1164 if (!keep
1165 && ((keep_file_symbols && (flags & BSF_FILE))
047c9024 1166 || is_specified_symbol (name, keep_specific_htab)))
312aaa3c
NC		 1167 keep = TRUE;
1168
252b5132 1169 if (keep && is_strip_section (abfd, bfd_get_section (sym)))
312aaa3c 1170 keep = FALSE;
e0c60db2 1171
7b4a0685 1172 if (keep)
252b5132 1173 {
7b4a0685 1174 if ((flags & BSF_GLOBAL) != 0
047c9024 1175 && (weaken || is_specified_symbol (name, weaken_specific_htab)))
7b4a0685
NC		 1176 {
1177 sym->flags &= ~ BSF_GLOBAL;
1178 sym->flags |= BSF_WEAK;
1179 }
252b5132 1180
7b4a0685
NC		 1181 if (!undefined
1182 && (flags & (BSF_GLOBAL | BSF_WEAK))
047c9024
NC		 1183 && (is_specified_symbol (name, localize_specific_htab)
1184 || (htab_elements (keepglobal_specific_htab) != 0
1185 && ! is_specified_symbol (name, keepglobal_specific_htab))
d58c2e3a 1186 || (localize_hidden && is_hidden_symbol (sym))))
7b4a0685
NC		 1187 {
1188 sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK);
1189 sym->flags |= BSF_LOCAL;
1190 }
1191
1192 if (!undefined
c1c0eb9e 1193 && (flags & BSF_LOCAL)
047c9024 1194 && is_specified_symbol (name, globalize_specific_htab))
7b4a0685
NC		 1195 {
1196 sym->flags &= ~ BSF_LOCAL;
1197 sym->flags |= BSF_GLOBAL;
1198 }
1199
1200 to[dst_count++] = sym;
1201 }
252b5132
RH		 1202 }
1203
1204 to[dst_count] = NULL;
1205
1206 return dst_count;
1207}
1208
594ef5db
NC		 1209/* Find the redefined name of symbol SOURCE. */
1210
57938635 1211static const char *
84e2f313 1212lookup_sym_redefinition (const char *source)
57938635 1213{
57938635
AM		 1214 struct redefine_node *list;
1215
57938635 1216 for (list = redefine_sym_list; list != NULL; list = list->next)
594ef5db
NC		 1217 if (strcmp (source, list->source) == 0)
1218 return list->target;
1219
1220 return source;
57938635
AM		 1221}
1222
594ef5db 1223/* Add a node to a symbol redefine list. */
57938635
AM		 1224
1225static void
84e2f313 1226redefine_list_append (const char *cause, const char *source, const char *target)
57938635
AM		 1227{
1228 struct redefine_node **p;
1229 struct redefine_node *list;
1230 struct redefine_node *new_node;
1231
1232 for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next)
1233 {
1234 if (strcmp (source, list->source) == 0)
594ef5db 1235 fatal (_("%s: Multiple redefinition of symbol \"%s\""),
92991082 1236 cause, source);
57938635
AM		 1237
1238 if (strcmp (target, list->target) == 0)
594ef5db 1239 fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"),
92991082 1240 cause, target);
57938635
AM		 1241 }
1242
3f5e193b 1243 new_node = (struct redefine_node *) xmalloc (sizeof (struct redefine_node));
57938635
AM		 1244
1245 new_node->source = strdup (source);
1246 new_node->target = strdup (target);
1247 new_node->next = NULL;
1248
1249 *p = new_node;
1250}
1251
92991082
JT		 1252/* Handle the --redefine-syms option. Read lines containing "old new"
1253 from the file, and add them to the symbol redefine list. */
1254
2593f09a 1255static void
84e2f313 1256add_redefine_syms_file (const char *filename)
92991082
JT		 1257{
1258 FILE *file;
1259 char *buf;
84e2f313
NC		 1260 size_t bufsize;
1261 size_t len;
1262 size_t outsym_off;
92991082
JT		 1263 int c, lineno;
1264
1265 file = fopen (filename, "r");
d3ba0551 1266 if (file == NULL)
92991082
JT		 1267 fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
1268 filename, strerror (errno));
1269
1270 bufsize = 100;
a6da20b5 1271 buf = (char *) xmalloc (bufsize + 1 /* For the terminating NUL. */);
92991082
JT		 1272
1273 lineno = 1;
1274 c = getc (file);
1275 len = 0;
1276 outsym_off = 0;
1277 while (c != EOF)
1278 {
1279 /* Collect the input symbol name. */
1280 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1281 {
1282 if (c == '#')
1283 goto comment;
1284 buf[len++] = c;
1285 if (len >= bufsize)
1286 {
1287 bufsize *= 2;
a6da20b5 1288 buf = (char *) xrealloc (buf, bufsize + 1);
92991082
JT		 1289 }
1290 c = getc (file);
1291 }
1292 buf[len++] = '\0';
1293 if (c == EOF)
1294 break;
1295
1296 /* Eat white space between the symbol names. */
1297 while (IS_WHITESPACE (c))
1298 c = getc (file);
1299 if (c == '#' || IS_LINE_TERMINATOR (c))
1300 goto comment;
1301 if (c == EOF)
1302 break;
1303
1304 /* Collect the output symbol name. */
1305 outsym_off = len;
1306 while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF)
1307 {
1308 if (c == '#')
1309 goto comment;
1310 buf[len++] = c;
1311 if (len >= bufsize)
1312 {
1313 bufsize *= 2;
a6da20b5 1314 buf = (char *) xrealloc (buf, bufsize + 1);
92991082
JT		 1315 }
1316 c = getc (file);
1317 }
1318 buf[len++] = '\0';
1319 if (c == EOF)
1320 break;
1321
1322 /* Eat white space at end of line. */
1323 while (! IS_LINE_TERMINATOR(c) && c != EOF && IS_WHITESPACE (c))
1324 c = getc (file);
1325 if (c == '#')
1326 goto comment;
1327 /* Handle \r\n. */
1328 if ((c == '\r' && (c = getc (file)) == '\n')
1329 || c == '\n' || c == EOF)
1330 {
1331 end_of_line:
1332 /* Append the redefinition to the list. */
1333 if (buf[0] != '\0')
1334 redefine_list_append (filename, &buf[0], &buf[outsym_off]);
1335
c1c0eb9e 1336 lineno++;
92991082
JT		 1337 len = 0;
1338 outsym_off = 0;
1339 if (c == EOF)
1340 break;
1341 c = getc (file);
1342 continue;
1343 }
1344 else
d412a550 1345 fatal (_("%s:%d: garbage found at end of line"), filename, lineno);
92991082
JT		 1346 comment:
1347 if (len != 0 && (outsym_off == 0 || outsym_off == len))
d412a550 1348 fatal (_("%s:%d: missing new symbol name"), filename, lineno);
92991082
JT		 1349 buf[len++] = '\0';
1350
1351 /* Eat the rest of the line and finish it. */
1352 while (c != '\n' && c != EOF)
1353 c = getc (file);
1354 goto end_of_line;
1355 }
1356
1357 if (len != 0)
d412a550 1358 fatal (_("%s:%d: premature end of file"), filename, lineno);
92991082
JT		 1359
1360 free (buf);
1361}
1362
77f762d6
L		 1363/* Copy unkown object file IBFD onto OBFD.
1364 Returns TRUE upon success, FALSE otherwise. */
1365
1366static bfd_boolean
1367copy_unknown_object (bfd *ibfd, bfd *obfd)
1368{
1369 char *cbuf;
1370 int tocopy;
1371 long ncopied;
1372 long size;
1373 struct stat buf;
1374
1375 if (bfd_stat_arch_elt (ibfd, &buf) != 0)
1376 {
8d8e0703 1377 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
77f762d6
L		 1378 return FALSE;
1379 }
1380
1381 size = buf.st_size;
1382 if (size < 0)
1383 {
1384 non_fatal (_("stat returns negative size for `%s'"),
1385 bfd_get_archive_filename (ibfd));
1386 return FALSE;
1387 }
1388
1389 if (bfd_seek (ibfd, (file_ptr) 0, SEEK_SET) != 0)
1390 {
1391 bfd_nonfatal (bfd_get_archive_filename (ibfd));
1392 return FALSE;
1393 }
1394
1395 if (verbose)
1396 printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"),
1397 bfd_get_archive_filename (ibfd), bfd_get_filename (obfd));
1398
3f5e193b 1399 cbuf = (char *) xmalloc (BUFSIZE);
77f762d6
L		 1400 ncopied = 0;
1401 while (ncopied < size)
1402 {
1403 tocopy = size - ncopied;
1404 if (tocopy > BUFSIZE)
1405 tocopy = BUFSIZE;
1406
1407 if (bfd_bread (cbuf, (bfd_size_type) tocopy, ibfd)
1408 != (bfd_size_type) tocopy)
1409 {
8d8e0703 1410 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
77f762d6
L		 1411 free (cbuf);
1412 return FALSE;
1413 }
1414
1415 if (bfd_bwrite (cbuf, (bfd_size_type) tocopy, obfd)
1416 != (bfd_size_type) tocopy)
1417 {
2db6cde7 1418 bfd_nonfatal_message (NULL, obfd, NULL, NULL);
77f762d6
L		 1419 free (cbuf);
1420 return FALSE;
1421 }
1422
1423 ncopied += tocopy;
1424 }
1425
1e99536a
L		 1426 /* We should at least to be able to read it back when copying an
1427 unknown object in an archive. */
1428 chmod (bfd_get_filename (obfd), buf.st_mode | S_IRUSR);
77f762d6
L		 1429 free (cbuf);
1430 return TRUE;
1431}
1432
950d48e7 1433/* Copy object file IBFD onto OBFD.
5b8c74e6 1434 Returns TRUE upon success, FALSE otherwise. */
252b5132 1435
950d48e7 1436static bfd_boolean
8b31b6c4 1437copy_object (bfd *ibfd, bfd *obfd, const bfd_arch_info_type *input_arch)
252b5132
RH		 1438{
1439 bfd_vma start;
1440 long symcount;
1441 asection **osections = NULL;
84e2f313 1442 asection *gnu_debuglink_section = NULL;
252b5132
RH		 1443 bfd_size_type *gaps = NULL;
1444 bfd_size_type max_gap = 0;
1445 long symsize;
84e2f313 1446 void *dhandle;
66491ebc
AM		 1447 enum bfd_architecture iarch;
1448 unsigned int imach;
252b5132 1449
23719f39
NC		 1450 if (ibfd->xvec->byteorder != obfd->xvec->byteorder
1451 && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
1452 && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
950d48e7 1453 fatal (_("Unable to change endianness of input file(s)"));
252b5132
RH		 1454
1455 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
950d48e7 1456 {
2db6cde7 1457 bfd_nonfatal_message (NULL, obfd, NULL, NULL);
950d48e7
NC		 1458 return FALSE;
1459 }
252b5132
RH		 1460
1461 if (verbose)
77f762d6
L		 1462 printf (_("copy from `%s' [%s] to `%s' [%s]\n"),
1463 bfd_get_archive_filename (ibfd), bfd_get_target (ibfd),
252b5132
RH		 1464 bfd_get_filename (obfd), bfd_get_target (obfd));
1465
d3e52d40
RS		 1466 if (extract_symbol)
1467 start = 0;
252b5132 1468 else
d3e52d40
RS		 1469 {
1470 if (set_start_set)
1471 start = set_start;
1472 else
1473 start = bfd_get_start_address (ibfd);
1474 start += change_start;
1475 }
252b5132 1476
0af11b59
KH		 1477 /* Neither the start address nor the flags
1478 need to be set for a core file. */
4dd67f29
MS		 1479 if (bfd_get_format (obfd) != bfd_core)
1480 {
4087920c
MR		 1481 flagword flags;
1482
1483 flags = bfd_get_file_flags (ibfd);
1484 flags |= bfd_flags_to_set;
1485 flags &= ~bfd_flags_to_clear;
1486 flags &= bfd_applicable_file_flags (obfd);
1487
3516e984
L		 1488 if (strip_symbols == STRIP_ALL)
1489 flags &= ~HAS_RELOC;
1490
4dd67f29 1491 if (!bfd_set_start_address (obfd, start)
4087920c 1492 || !bfd_set_file_flags (obfd, flags))
950d48e7 1493 {
8d8e0703 1494 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
950d48e7
NC		 1495 return FALSE;
1496 }
4dd67f29 1497 }
252b5132 1498
594ef5db 1499 /* Copy architecture of input file to output file. */
66491ebc
AM		 1500 iarch = bfd_get_arch (ibfd);
1501 imach = bfd_get_mach (ibfd);
8b31b6c4
NC		 1502 if (input_arch)
1503 {
1504 if (bfd_get_arch_info (ibfd) == NULL
1505 || bfd_get_arch_info (ibfd)->arch == bfd_arch_unknown)
1506 {
1507 iarch = input_arch->arch;
1508 imach = input_arch->mach;
1509 }
1510 else
1511 non_fatal (_("Input file `%s' ignores binary architecture parameter."),
1512 bfd_get_archive_filename (ibfd));
1513 }
66491ebc 1514 if (!bfd_set_arch_mach (obfd, iarch, imach)
212a3c4d
L		 1515 && (ibfd->target_defaulted
1516 || bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
f57a841a
NC		 1517 {
1518 if (bfd_get_arch (ibfd) == bfd_arch_unknown)
77f762d6
L		 1519 non_fatal (_("Unable to recognise the format of the input file `%s'"),
1520 bfd_get_archive_filename (ibfd));
f57a841a 1521 else
c1e2cb9d 1522 non_fatal (_("Output file cannot represent architecture `%s'"),
77f762d6
L		 1523 bfd_printable_arch_mach (bfd_get_arch (ibfd),
1524 bfd_get_mach (ibfd)));
1525 return FALSE;
f57a841a 1526 }
57938635 1527
252b5132 1528 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
950d48e7 1529 {
8d8e0703 1530 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
950d48e7
NC		 1531 return FALSE;
1532 }
252b5132 1533
92dd4511
L		 1534 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
1535 && bfd_pei_p (obfd))
1536 {
1537 /* Set up PE parameters. */
1538 pe_data_type *pe = pe_data (obfd);
1539
325c681d
L		 1540 /* Copy PE parameters before changing them. */
1541 if (ibfd->xvec->flavour == bfd_target_coff_flavour
1542 && bfd_pei_p (ibfd))
1543 pe->pe_opthdr = pe_data (ibfd)->pe_opthdr;
1544
92dd4511
L		 1545 if (pe_file_alignment != (bfd_vma) -1)
1546 pe->pe_opthdr.FileAlignment = pe_file_alignment;
1547 else
1548 pe_file_alignment = PE_DEF_FILE_ALIGNMENT;
1549
1550 if (pe_heap_commit != (bfd_vma) -1)
1551 pe->pe_opthdr.SizeOfHeapCommit = pe_heap_commit;
1552
1553 if (pe_heap_reserve != (bfd_vma) -1)
1554 pe->pe_opthdr.SizeOfHeapCommit = pe_heap_reserve;
1555
1556 if (pe_image_base != (bfd_vma) -1)
1557 pe->pe_opthdr.ImageBase = pe_image_base;
1558
1559 if (pe_section_alignment != (bfd_vma) -1)
1560 pe->pe_opthdr.SectionAlignment = pe_section_alignment;
1561 else
1562 pe_section_alignment = PE_DEF_SECTION_ALIGNMENT;
1563
1564 if (pe_stack_commit != (bfd_vma) -1)
1565 pe->pe_opthdr.SizeOfStackCommit = pe_stack_commit;
1566
1567 if (pe_stack_reserve != (bfd_vma) -1)
1568 pe->pe_opthdr.SizeOfStackCommit = pe_stack_reserve;
1569
1570 if (pe_subsystem != -1)
1571 pe->pe_opthdr.Subsystem = pe_subsystem;
1572
1573 if (pe_major_subsystem_version != -1)
1574 pe->pe_opthdr.MajorSubsystemVersion = pe_major_subsystem_version;
1575
1576 if (pe_minor_subsystem_version != -1)
1577 pe->pe_opthdr.MinorSubsystemVersion = pe_minor_subsystem_version;
1578
1579 if (pe_file_alignment > pe_section_alignment)
1580 {
1581 char file_alignment[20], section_alignment[20];
1582
1583 sprintf_vma (file_alignment, pe_file_alignment);
1584 sprintf_vma (section_alignment, pe_section_alignment);
1585 non_fatal (_("warning: file alignment (0x%s) > section alignment (0x%s)"),
1586
1587 file_alignment, section_alignment);
1588 }
1589 }
1590
252b5132 1591 if (isympp)
62d732f5 1592 free (isympp);
57938635 1593
252b5132 1594 if (osympp != isympp)
62d732f5
AM		 1595 free (osympp);
1596
1597 isympp = NULL;
1598 osympp = NULL;
252b5132 1599
c39ada54
AM		 1600 symsize = bfd_get_symtab_upper_bound (ibfd);
1601 if (symsize < 0)
1602 {
8d8e0703 1603 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
c39ada54
AM		 1604 return FALSE;
1605 }
1606
3f5e193b 1607 osympp = isympp = (asymbol **) xmalloc (symsize);
c39ada54
AM		 1608 symcount = bfd_canonicalize_symtab (ibfd, isympp);
1609 if (symcount < 0)
1610 {
2db6cde7 1611 bfd_nonfatal_message (NULL, ibfd, NULL, NULL);
c39ada54
AM		 1612 return FALSE;
1613 }
1614
252b5132
RH		 1615 /* BFD mandates that all output sections be created and sizes set before
1616 any output is done. Thus, we traverse all sections multiple times. */
d3ba0551 1617 bfd_map_over_sections (ibfd, setup_section, obfd);
252b5132 1618
237dcb53
AM		 1619 if (!extract_symbol)
1620 setup_bfd_headers (ibfd, obfd);
80fccad2 1621
252b5132
RH		 1622 if (add_sections != NULL)
1623 {
1624 struct section_add *padd;
1625 struct section_list *pset;
1626
1627 for (padd = add_sections; padd != NULL; padd = padd->next)
1628 {
2593f09a
NC		 1629 flagword flags;
1630
551b43fd
AM		 1631 pset = find_section_list (padd->name, FALSE);
1632 if (pset != NULL)
1633 pset->used = TRUE;
1634
1635 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
1636 if (pset != NULL && pset->set_flags)
1637 flags = pset->flags | SEC_HAS_CONTENTS;
1638
c8782eee
NC		 1639 /* bfd_make_section_with_flags() does not return very helpful
1640 error codes, so check for the most likely user error first. */
1641 if (bfd_get_section_by_name (obfd, padd->name))
252b5132 1642 {
2db6cde7
NS		 1643 bfd_nonfatal_message (NULL, obfd, NULL,
1644 _("can't add section '%s'"), padd->name);
950d48e7 1645 return FALSE;
252b5132 1646 }
c8782eee
NC		 1647 else
1648 {
0930eddd
NS		 1649 /* We use LINKER_CREATED here so that the backend hooks
1650 will create any special section type information,
1651 instead of presuming we know what we're doing merely
1652 because we set the flags. */
1653 padd->section = bfd_make_section_with_flags
1654 (obfd, padd->name, flags | SEC_LINKER_CREATED);
c8782eee
NC		 1655 if (padd->section == NULL)
1656 {
2db6cde7
NS		 1657 bfd_nonfatal_message (NULL, obfd, NULL,
1658 _("can't create section `%s'"),
1659 padd->name);
c8782eee
NC		 1660 return FALSE;
1661 }
1662 }
252b5132 1663
2593f09a 1664 if (! bfd_set_section_size (obfd, padd->section, padd->size))
950d48e7 1665 {
2db6cde7 1666 bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
950d48e7
NC		 1667 return FALSE;
1668 }
252b5132 1669
2593f09a
NC		 1670 if (pset != NULL)
1671 {
1672 if (pset->change_vma != CHANGE_IGNORE)
84e2f313
NC		 1673 if (! bfd_set_section_vma (obfd, padd->section,
1674 pset->vma_val))
950d48e7 1675 {
2db6cde7 1676 bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
950d48e7
NC		 1677 return FALSE;
1678 }
57938635 1679
2593f09a
NC		 1680 if (pset->change_lma != CHANGE_IGNORE)
1681 {
1682 padd->section->lma = pset->lma_val;
950d48e7 1683
2593f09a
NC		 1684 if (! bfd_set_section_alignment
1685 (obfd, padd->section,
1686 bfd_section_alignment (obfd, padd->section)))
950d48e7 1687 {
2db6cde7 1688 bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
950d48e7
NC		 1689 return FALSE;
1690 }
252b5132
RH		 1691 }
1692 }
1693 }
1694 }
1695
2593f09a
NC		 1696 if (gnu_debuglink_filename != NULL)
1697 {
84e2f313
NC		 1698 gnu_debuglink_section = bfd_create_gnu_debuglink_section
1699 (obfd, gnu_debuglink_filename);
e7c81c25
NC		 1700
1701 if (gnu_debuglink_section == NULL)
950d48e7 1702 {
2db6cde7
NS		 1703 bfd_nonfatal_message (NULL, obfd, NULL,
1704 _("cannot create debug link section `%s'"),
1705 gnu_debuglink_filename);
950d48e7
NC		 1706 return FALSE;
1707 }
6e2c86ac
NC		 1708
1709 /* Special processing for PE format files. We
1710 have no way to distinguish PE from COFF here. */
1711 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour)
1712 {
1713 bfd_vma debuglink_vma;
1714 asection * highest_section;
1715 asection * sec;
1716
1717 /* The PE spec requires that all sections be adjacent and sorted
1718 in ascending order of VMA. It also specifies that debug
1719 sections should be last. This is despite the fact that debug
1720 sections are not loaded into memory and so in theory have no
1721 use for a VMA.
1722
1723 This means that the debuglink section must be given a non-zero
1724 VMA which makes it contiguous with other debug sections. So
1725 walk the current section list, find the section with the
1726 highest VMA and start the debuglink section after that one. */
1727 for (sec = obfd->sections, highest_section = NULL;
1728 sec != NULL;
1729 sec = sec->next)
1730 if (sec->vma > 0
1731 && (highest_section == NULL
1732 || sec->vma > highest_section->vma))
1733 highest_section = sec;
1734
1735 if (highest_section)
1736 debuglink_vma = BFD_ALIGN (highest_section->vma
1737 + highest_section->size,
1738 /* FIXME: We ought to be using
1739 COFF_PAGE_SIZE here or maybe
1740 bfd_get_section_alignment() (if it
1741 was set) but since this is for PE
1742 and we know the required alignment
1743 it is easier just to hard code it. */
1744 0x1000);
1745 else
1746 /* Umm, not sure what to do in this case. */
1747 debuglink_vma = 0x1000;
1748
1749 bfd_set_section_vma (obfd, gnu_debuglink_section, debuglink_vma);
1750 }
950d48e7
NC		 1751 }
1752
1aa9ef63
L		 1753 if (bfd_count_sections (obfd) != 0
1754 && (gap_fill_set || pad_to_set))
252b5132
RH		 1755 {
1756 asection **set;
1757 unsigned int c, i;
1758
1759 /* We must fill in gaps between the sections and/or we must pad
1760 the last section to a specified address. We do this by
1761 grabbing a list of the sections, sorting them by VMA, and
1762 increasing the section sizes as required to fill the gaps.
1763 We write out the gap contents below. */
1764
1765 c = bfd_count_sections (obfd);
3f5e193b 1766 osections = (asection **) xmalloc (c * sizeof (asection *));
252b5132 1767 set = osections;
d3ba0551 1768 bfd_map_over_sections (obfd, get_sections, &set);
252b5132
RH		 1769
1770 qsort (osections, c, sizeof (asection *), compare_section_lma);
1771
3f5e193b 1772 gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type));
252b5132
RH		 1773 memset (gaps, 0, c * sizeof (bfd_size_type));
1774
1775 if (gap_fill_set)
1776 {
1777 for (i = 0; i < c - 1; i++)
1778 {
1779 flagword flags;
1780 bfd_size_type size;
1781 bfd_vma gap_start, gap_stop;
1782
1783 flags = bfd_get_section_flags (obfd, osections[i]);
1784 if ((flags & SEC_HAS_CONTENTS) == 0
1785 || (flags & SEC_LOAD) == 0)
1786 continue;
1787
1788 size = bfd_section_size (obfd, osections[i]);
1789 gap_start = bfd_section_lma (obfd, osections[i]) + size;
1790 gap_stop = bfd_section_lma (obfd, osections[i + 1]);
1791 if (gap_start < gap_stop)
1792 {
1793 if (! bfd_set_section_size (obfd, osections[i],
1794 size + (gap_stop - gap_start)))
1795 {
2db6cde7
NS		 1796 bfd_nonfatal_message (NULL, obfd, osections[i],
1797 _("Can't fill gap after section"));
252b5132
RH		 1798 status = 1;
1799 break;
1800 }
1801 gaps[i] = gap_stop - gap_start;
1802 if (max_gap < gap_stop - gap_start)
1803 max_gap = gap_stop - gap_start;
1804 }
1805 }
1806 }
1807
1808 if (pad_to_set)
1809 {
1810 bfd_vma lma;
1811 bfd_size_type size;
1812
1813 lma = bfd_section_lma (obfd, osections[c - 1]);
1814 size = bfd_section_size (obfd, osections[c - 1]);
1815 if (lma + size < pad_to)
1816 {
1817 if (! bfd_set_section_size (obfd, osections[c - 1],
1818 pad_to - lma))
1819 {
2db6cde7
NS		 1820 bfd_nonfatal_message (NULL, obfd, osections[c - 1],
1821 _("can't add padding"));
252b5132
RH		 1822 status = 1;
1823 }
1824 else
1825 {
1826 gaps[c - 1] = pad_to - (lma + size);
1827 if (max_gap < pad_to - (lma + size))
1828 max_gap = pad_to - (lma + size);
1829 }
1830 }
1831 }
1832 }
1833
594ef5db
NC		 1834 /* Symbol filtering must happen after the output sections
1835 have been created, but before their contents are set. */
252b5132 1836 dhandle = NULL;
252b5132 1837 if (convert_debugging)
b922d590 1838 dhandle = read_debugging_info (ibfd, isympp, symcount, FALSE);
57938635
AM		 1839
1840 if (strip_symbols == STRIP_DEBUG
252b5132
RH		 1841 || strip_symbols == STRIP_ALL
1842 || strip_symbols == STRIP_UNNEEDED
ed1653a7 1843 || strip_symbols == STRIP_NONDEBUG
252b5132 1844 || discard_locals != LOCALS_UNDEF
d58c2e3a 1845 || localize_hidden
047c9024
NC		 1846 || htab_elements (strip_specific_htab) != 0
1847 || htab_elements (keep_specific_htab) != 0
1848 || htab_elements (localize_specific_htab) != 0
1849 || htab_elements (globalize_specific_htab) != 0
1850 || htab_elements (keepglobal_specific_htab) != 0
1851 || htab_elements (weaken_specific_htab) != 0
d7fb0dd2 1852 || prefix_symbols_string
252b5132 1853 || sections_removed
f91ea849 1854 || sections_copied
252b5132
RH		 1855 || convert_debugging
1856 || change_leading_char
1857 || remove_leading_char
57938635 1858 || redefine_sym_list
252b5132
RH		 1859 || weaken)
1860 {
1861 /* Mark symbols used in output relocations so that they
1862 are kept, even if they are local labels or static symbols.
57938635 1863
252b5132
RH		 1864 Note we iterate over the input sections examining their
1865 relocations since the relocations for the output sections
1866 haven't been set yet. mark_symbols_used_in_relocations will
1867 ignore input sections which have no corresponding output
1868 section. */
1869 if (strip_symbols != STRIP_ALL)
1870 bfd_map_over_sections (ibfd,
1871 mark_symbols_used_in_relocations,
d3ba0551 1872 isympp);
3f5e193b 1873 osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *));
252b5132
RH		 1874 symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
1875 }
1876
1877 if (convert_debugging && dhandle != NULL)
1878 {
1879 if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
1880 {
1881 status = 1;
950d48e7 1882 return FALSE;
252b5132
RH		 1883 }
1884 }
1885
1886 bfd_set_symtab (obfd, osympp, symcount);
1887
1888 /* This has to happen after the symbol table has been set. */
d3ba0551 1889 bfd_map_over_sections (ibfd, copy_section, obfd);
252b5132
RH		 1890
1891 if (add_sections != NULL)
1892 {
1893 struct section_add *padd;
1894
1895 for (padd = add_sections; padd != NULL; padd = padd->next)
1896 {
d3ba0551
AM		 1897 if (! bfd_set_section_contents (obfd, padd->section, padd->contents,
1898 0, padd->size))
950d48e7 1899 {
2db6cde7 1900 bfd_nonfatal_message (NULL, obfd, padd->section, NULL);
950d48e7
NC		 1901 return FALSE;
1902 }
252b5132
RH		 1903 }
1904 }
1905
e7c81c25
NC		 1906 if (gnu_debuglink_filename != NULL)
1907 {
1908 if (! bfd_fill_in_gnu_debuglink_section
1909 (obfd, gnu_debuglink_section, gnu_debuglink_filename))
950d48e7 1910 {
2db6cde7
NS		 1911 bfd_nonfatal_message (NULL, obfd, NULL,
1912 _("cannot fill debug link section `%s'"),
1913 gnu_debuglink_filename);
950d48e7
NC		 1914 return FALSE;
1915 }
e7c81c25
NC		 1916 }
1917
252b5132
RH		 1918 if (gap_fill_set || pad_to_set)
1919 {
1920 bfd_byte *buf;
1921 int c, i;
1922
1923 /* Fill in the gaps. */
252b5132
RH		 1924 if (max_gap > 8192)
1925 max_gap = 8192;
3f5e193b 1926 buf = (bfd_byte *) xmalloc (max_gap);
d3ba0551 1927 memset (buf, gap_fill, max_gap);
252b5132
RH		 1928
1929 c = bfd_count_sections (obfd);
1930 for (i = 0; i < c; i++)
1931 {
1932 if (gaps[i] != 0)
1933 {
1934 bfd_size_type left;
1935 file_ptr off;
1936
1937 left = gaps[i];
1938 off = bfd_section_size (obfd, osections[i]) - left;
594ef5db 1939
252b5132
RH		 1940 while (left > 0)
1941 {
1942 bfd_size_type now;
1943
1944 if (left > 8192)
1945 now = 8192;
1946 else
1947 now = left;
1948
1949 if (! bfd_set_section_contents (obfd, osections[i], buf,
1950 off, now))
950d48e7 1951 {
2db6cde7 1952 bfd_nonfatal_message (NULL, obfd, osections[i], NULL);
950d48e7
NC		 1953 return FALSE;
1954 }
252b5132
RH		 1955
1956 left -= now;
1957 off += now;
1958 }
1959 }
1960 }
1961 }
1962
d3e52d40
RS		 1963 /* Do not copy backend data if --extract-symbol is passed; anything
1964 that needs to look at the section contents will fail. */
1965 if (extract_symbol)
1966 return TRUE;
1967
252b5132
RH		 1968 /* Allow the BFD backend to copy any private data it understands
1969 from the input BFD to the output BFD. This is done last to
1970 permit the routine to look at the filtered symbol table, which is
1971 important for the ECOFF code at least. */
42bb2e33 1972 if (! bfd_copy_private_bfd_data (ibfd, obfd))
252b5132 1973 {
2db6cde7
NS		 1974 bfd_nonfatal_message (NULL, obfd, NULL,
1975 _("error copying private BFD data"));
950d48e7 1976 return FALSE;
252b5132 1977 }
1ae8b3d2
AO		 1978
1979 /* Switch to the alternate machine code. We have to do this at the
1980 very end, because we only initialize the header when we create
1981 the first section. */
f9d4ad2a
NC		 1982 if (use_alt_mach_code != 0)
1983 {
1984 if (! bfd_alt_mach_code (obfd, use_alt_mach_code))
1985 {
1986 non_fatal (_("this target does not support %lu alternative machine codes"),
1987 use_alt_mach_code);
1988 if (bfd_get_flavour (obfd) == bfd_target_elf_flavour)
1989 {
1990 non_fatal (_("treating that number as an absolute e_machine value instead"));
1991 elf_elfheader (obfd)->e_machine = use_alt_mach_code;
1992 }
1993 else
1994 non_fatal (_("ignoring the alternative value"));
1995 }
1996 }
950d48e7
NC		 1997
1998 return TRUE;
252b5132
RH		 1999}
2000
2001/* Read each archive element in turn from IBFD, copy the
ee873e00
NC		 2002 contents to temp file, and keep the temp file handle.
2003 If 'force_output_target' is TRUE then make sure that
2004 all elements in the new archive are of the type
2005 'output_target'. */
252b5132
RH		 2006
2007static void
ee873e00 2008copy_archive (bfd *ibfd, bfd *obfd, const char *output_target,
8b31b6c4
NC		 2009 bfd_boolean force_output_target,
2010 const bfd_arch_info_type *input_arch)
252b5132
RH		 2011{
2012 struct name_list
2013 {
2014 struct name_list *next;
4c168fa3 2015 const char *name;
252b5132
RH		 2016 bfd *obfd;
2017 } *list, *l;
2018 bfd **ptr = &obfd->archive_head;
2019 bfd *this_element;
8d8e0703
AM		 2020 char *dir;
2021 const char *filename;
252b5132
RH		 2022
2023 /* Make a temp directory to hold the contents. */
f9c026a8 2024 dir = make_tempdir (bfd_get_filename (obfd));
f9c026a8
NC		 2025 if (dir == NULL)
2026 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2027 strerror (errno));
84e2f313 2028
252b5132 2029 obfd->has_armap = ibfd->has_armap;
a8da6403 2030 obfd->is_thin_archive = ibfd->is_thin_archive;
252b5132
RH		 2031
2032 list = NULL;
2033
2034 this_element = bfd_openr_next_archived_file (ibfd, NULL);
594ef5db 2035
b667df2e 2036 if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
8d8e0703
AM		 2037 {
2038 status = 1;
2039 bfd_nonfatal_message (NULL, obfd, NULL, NULL);
2040 return;
2041 }
b667df2e 2042
d3ba0551 2043 while (!status && this_element != NULL)
252b5132 2044 {
4c168fa3
AM		 2045 char *output_name;
2046 bfd *output_bfd;
252b5132 2047 bfd *last_element;
8066d1a2
AS		 2048 struct stat buf;
2049 int stat_status = 0;
3f5e193b 2050 bfd_boolean del = TRUE;
19094d10 2051 bfd_boolean ok_object;
8066d1a2 2052
4c168fa3
AM		 2053 /* Create an output file for this member. */
2054 output_name = concat (dir, "/",
2055 bfd_get_filename (this_element), (char *) 0);
2056
2057 /* If the file already exists, make another temp dir. */
2058 if (stat (output_name, &buf) >= 0)
2059 {
f9c026a8
NC		 2060 output_name = make_tempdir (output_name);
2061 if (output_name == NULL)
485be063
AM		 2062 fatal (_("cannot create tempdir for archive copying (error: %s)"),
2063 strerror (errno));
84e2f313 2064
3f5e193b 2065 l = (struct name_list *) xmalloc (sizeof (struct name_list));
4c168fa3
AM		 2066 l->name = output_name;
2067 l->next = list;
2068 l->obfd = NULL;
2069 list = l;
2070 output_name = concat (output_name, "/",
2071 bfd_get_filename (this_element), (char *) 0);
2072 }
2073
8066d1a2
AS		 2074 if (preserve_dates)
2075 {
2076 stat_status = bfd_stat_arch_elt (this_element, &buf);
594ef5db 2077
8066d1a2
AS		 2078 if (stat_status != 0)
2079 non_fatal (_("internal stat error on %s"),
2080 bfd_get_filename (this_element));
2081 }
252b5132 2082
3f5e193b 2083 l = (struct name_list *) xmalloc (sizeof (struct name_list));
252b5132
RH		 2084 l->name = output_name;
2085 l->next = list;
bee59fd2 2086 l->obfd = NULL;
252b5132
RH		 2087 list = l;
2088
19094d10
AM		 2089 ok_object = bfd_check_format (this_element, bfd_object);
2090 if (!ok_object)
2091 bfd_nonfatal_message (NULL, this_element, NULL,
2092 _("Unable to recognise the format of file"));
2093
2094 /* PR binutils/3110: Cope with archives
2095 containing multiple target types. */
2096 if (force_output_target || !ok_object)
2097 output_bfd = bfd_openw (output_name, output_target);
2098 else
2099 output_bfd = bfd_openw (output_name, bfd_get_target (this_element));
2100
2101 if (output_bfd == NULL)
77f762d6 2102 {
19094d10
AM		 2103 bfd_nonfatal_message (output_name, NULL, NULL, NULL);
2104 status = 1;
2105 return;
2106 }
2107
2108 if (ok_object)
2109 {
2110 del = !copy_object (this_element, output_bfd, input_arch);
ee873e00 2111
19094d10
AM		 2112 if (del && bfd_get_arch (this_element) == bfd_arch_unknown)
2113 /* Try again as an unknown object file. */
2114 ok_object = FALSE;
2115 else if (!bfd_close (output_bfd))
2db6cde7
NS		 2116 {
2117 bfd_nonfatal_message (output_name, NULL, NULL, NULL);
19094d10 2118 /* Error in new object file. Don't change archive. */
2db6cde7 2119 status = 1;
77f762d6 2120 }
77f762d6 2121 }
77f762d6 2122
19094d10
AM		 2123 if (!ok_object)
2124 {
3f5e193b 2125 del = !copy_unknown_object (this_element, output_bfd);
77f762d6
L		 2126 if (!bfd_close_all_done (output_bfd))
2127 {
8d8e0703 2128 bfd_nonfatal_message (output_name, NULL, NULL, NULL);
77f762d6
L		 2129 /* Error in new object file. Don't change archive. */
2130 status = 1;
2131 }
252b5132
RH		 2132 }
2133
3f5e193b 2134 if (del)
950d48e7
NC		 2135 {
2136 unlink (output_name);
2137 status = 1;
2138 }
2139 else
2140 {
2141 if (preserve_dates && stat_status == 0)
2142 set_times (output_name, &buf);
8066d1a2 2143
950d48e7
NC		 2144 /* Open the newly output file and attach to our list. */
2145 output_bfd = bfd_openr (output_name, output_target);
252b5132 2146
950d48e7 2147 l->obfd = output_bfd;
252b5132 2148
950d48e7 2149 *ptr = output_bfd;
cc481421 2150 ptr = &output_bfd->archive_next;
252b5132 2151
950d48e7 2152 last_element = this_element;
252b5132 2153
950d48e7 2154 this_element = bfd_openr_next_archived_file (ibfd, last_element);
252b5132 2155
950d48e7
NC		 2156 bfd_close (last_element);
2157 }
252b5132 2158 }
d3ba0551 2159 *ptr = NULL;
252b5132 2160
8d8e0703 2161 filename = bfd_get_filename (obfd);
252b5132 2162 if (!bfd_close (obfd))
8d8e0703
AM		 2163 {
2164 status = 1;
2165 bfd_nonfatal_message (filename, NULL, NULL, NULL);
2166 return;
2167 }
252b5132 2168
8d8e0703 2169 filename = bfd_get_filename (ibfd);
252b5132 2170 if (!bfd_close (ibfd))
8d8e0703
AM		 2171 {
2172 status = 1;
2173 bfd_nonfatal_message (filename, NULL, NULL, NULL);
2174 return;
2175 }
252b5132
RH		 2176
2177 /* Delete all the files that we opened. */
2178 for (l = list; l != NULL; l = l->next)
2179 {
4c168fa3
AM		 2180 if (l->obfd == NULL)
2181 rmdir (l->name);
2182 else
2183 {
2184 bfd_close (l->obfd);
2185 unlink (l->name);
2186 }
252b5132
RH		 2187 }
2188 rmdir (dir);
2189}
2190
0408dee6
DK		 2191static void
2192set_long_section_mode (bfd *output_bfd, bfd *input_bfd, enum long_section_name_handling style)
2193{
2194 /* This is only relevant to Coff targets. */
2195 if (bfd_get_flavour (output_bfd) == bfd_target_coff_flavour)
2196 {
78e82dc3
AM		 2197 if (style == KEEP
2198 && bfd_get_flavour (input_bfd) == bfd_target_coff_flavour)
0408dee6
DK		 2199 style = bfd_coff_long_section_names (input_bfd) ? ENABLE : DISABLE;
2200 bfd_coff_set_long_section_names (output_bfd, style != DISABLE);
2201 }
2202}
2203
252b5132
RH		 2204/* The top-level control. */
2205
2206static void
84e2f313 2207copy_file (const char *input_filename, const char *output_filename,
8b31b6c4
NC		 2208 const char *input_target, const char *output_target,
2209 const bfd_arch_info_type *input_arch)
252b5132
RH		 2210{
2211 bfd *ibfd;
49c12576
AM		 2212 char **obj_matching;
2213 char **core_matching;
52a476ee 2214 off_t size = get_file_size (input_filename);
252b5132 2215
52a476ee 2216 if (size < 1)
f24ddbdd 2217 {
52a476ee
L		 2218 if (size == 0)
2219 non_fatal (_("error: the input file '%s' is empty"),
2220 input_filename);
f24ddbdd
NC		 2221 status = 1;
2222 return;
2223 }
2224
252b5132
RH		 2225 /* To allow us to do "strip *" without dying on the first
2226 non-object file, failures are nonfatal. */
252b5132
RH		 2227 ibfd = bfd_openr (input_filename, input_target);
2228 if (ibfd == NULL)
2db6cde7
NS		 2229 {
2230 bfd_nonfatal_message (input_filename, NULL, NULL, NULL);
2231 status = 1;
2232 return;
2233 }
252b5132 2234
4a114e3e
L		 2235 switch (do_debug_sections)
2236 {
2237 case compress:
2238 ibfd->flags |= BFD_COMPRESS;
2239 break;
2240 case decompress:
2241 ibfd->flags |= BFD_DECOMPRESS;
2242 break;
2243 default:
2244 break;
2245 }
2246
252b5132
RH		 2247 if (bfd_check_format (ibfd, bfd_archive))
2248 {
ee873e00 2249 bfd_boolean force_output_target;
252b5132
RH		 2250 bfd *obfd;
2251
2252 /* bfd_get_target does not return the correct value until
2253 bfd_check_format succeeds. */
2254 if (output_target == NULL)
ee873e00
NC		 2255 {
2256 output_target = bfd_get_target (ibfd);
2257 force_output_target = FALSE;
2258 }
2259 else
2260 force_output_target = TRUE;
252b5132
RH		 2261
2262 obfd = bfd_openw (output_filename, output_target);
2263 if (obfd == NULL)
2db6cde7
NS		 2264 {
2265 bfd_nonfatal_message (output_filename, NULL, NULL, NULL);
2266 status = 1;
2267 return;
2268 }
0408dee6
DK		 2269 /* This is a no-op on non-Coff targets. */
2270 set_long_section_mode (obfd, ibfd, long_section_names);
252b5132 2271
8b31b6c4 2272 copy_archive (ibfd, obfd, output_target, force_output_target, input_arch);
252b5132 2273 }
49c12576 2274 else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
252b5132
RH		 2275 {
2276 bfd *obfd;
49c12576 2277 do_copy:
950d48e7 2278
252b5132
RH		 2279 /* bfd_get_target does not return the correct value until
2280 bfd_check_format succeeds. */
2281 if (output_target == NULL)
2282 output_target = bfd_get_target (ibfd);
2283
2284 obfd = bfd_openw (output_filename, output_target);
2285 if (obfd == NULL)
2db6cde7
NS		 2286 {
2287 bfd_nonfatal_message (output_filename, NULL, NULL, NULL);
2288 status = 1;
2289 return;
2290 }
0408dee6
DK		 2291 /* This is a no-op on non-Coff targets. */
2292 set_long_section_mode (obfd, ibfd, long_section_names);
252b5132 2293
8b31b6c4 2294 if (! copy_object (ibfd, obfd, input_arch))
a580b8e0 2295 status = 1;
252b5132
RH		 2296
2297 if (!bfd_close (obfd))
8d8e0703
AM		 2298 {
2299 status = 1;
2300 bfd_nonfatal_message (output_filename, NULL, NULL, NULL);
2301 return;
2302 }
252b5132
RH		 2303
2304 if (!bfd_close (ibfd))
8d8e0703
AM		 2305 {
2306 status = 1;
2307 bfd_nonfatal_message (input_filename, NULL, NULL, NULL);
2308 return;
2309 }
252b5132
RH		 2310 }
2311 else
2312 {
49c12576
AM		 2313 bfd_error_type obj_error = bfd_get_error ();
2314 bfd_error_type core_error;
b34976b6 2315
49c12576
AM		 2316 if (bfd_check_format_matches (ibfd, bfd_core, &core_matching))
2317 {
2318 /* This probably can't happen.. */
2319 if (obj_error == bfd_error_file_ambiguously_recognized)
2320 free (obj_matching);
2321 goto do_copy;
2322 }
2323
2324 core_error = bfd_get_error ();
2325 /* Report the object error in preference to the core error. */
2326 if (obj_error != core_error)
2327 bfd_set_error (obj_error);
2328
2db6cde7 2329 bfd_nonfatal_message (input_filename, NULL, NULL, NULL);
57938635 2330
49c12576
AM		 2331 if (obj_error == bfd_error_file_ambiguously_recognized)
2332 {
2333 list_matching_formats (obj_matching);
2334 free (obj_matching);
2335 }
2336 if (core_error == bfd_error_file_ambiguously_recognized)
252b5132 2337 {
49c12576
AM		 2338 list_matching_formats (core_matching);
2339 free (core_matching);
252b5132 2340 }
57938635 2341
252b5132
RH		 2342 status = 1;
2343 }
2344}
2345
594ef5db
NC		 2346/* Add a name to the section renaming list. */
2347
2348static void
84e2f313
NC		 2349add_section_rename (const char * old_name, const char * new_name,
2350 flagword flags)
594ef5db 2351{
91d6fa6a 2352 section_rename * srename;
594ef5db
NC		 2353
2354 /* Check for conflicts first. */
91d6fa6a
NC		 2355 for (srename = section_rename_list; srename != NULL; srename = srename->next)
2356 if (strcmp (srename->old_name, old_name) == 0)
594ef5db
NC		 2357 {
2358 /* Silently ignore duplicate definitions. */
91d6fa6a
NC		 2359 if (strcmp (srename->new_name, new_name) == 0
2360 && srename->flags == flags)
594ef5db 2361 return;
0af11b59 2362
594ef5db
NC		 2363 fatal (_("Multiple renames of section %s"), old_name);
2364 }
2365
91d6fa6a 2366 srename = (section_rename *) xmalloc (sizeof (* srename));
594ef5db 2367
91d6fa6a
NC		 2368 srename->old_name = old_name;
2369 srename->new_name = new_name;
2370 srename->flags = flags;
2371 srename->next = section_rename_list;
0af11b59 2372
91d6fa6a 2373 section_rename_list = srename;
594ef5db
NC		 2374}
2375
2376/* Check the section rename list for a new name of the input section
2377 ISECTION. Return the new name if one is found.
2378 Also set RETURNED_FLAGS to the flags to be used for this section. */
2379
2380static const char *
84e2f313
NC		 2381find_section_rename (bfd * ibfd ATTRIBUTE_UNUSED, sec_ptr isection,
2382 flagword * returned_flags)
594ef5db
NC		 2383{
2384 const char * old_name = bfd_section_name (ibfd, isection);
91d6fa6a 2385 section_rename * srename;
594ef5db
NC		 2386
2387 /* Default to using the flags of the input section. */
2388 * returned_flags = bfd_get_section_flags (ibfd, isection);
2389
91d6fa6a
NC		 2390 for (srename = section_rename_list; srename != NULL; srename = srename->next)
2391 if (strcmp (srename->old_name, old_name) == 0)
594ef5db 2392 {
91d6fa6a
NC		 2393 if (srename->flags != (flagword) -1)
2394 * returned_flags = srename->flags;
594ef5db 2395
91d6fa6a 2396 return srename->new_name;
594ef5db
NC		 2397 }
2398
2399 return old_name;
2400}
2401
80fccad2
BW		 2402/* Once each of the sections is copied, we may still need to do some
2403 finalization work for private section headers. Do that here. */
2404
2405static void
2406setup_bfd_headers (bfd *ibfd, bfd *obfd)
2407{
80fccad2
BW		 2408 /* Allow the BFD backend to copy any private data it understands
2409 from the input section to the output section. */
2410 if (! bfd_copy_private_header_data (ibfd, obfd))
2411 {
2db6cde7
NS		 2412 status = 1;
2413 bfd_nonfatal_message (NULL, ibfd, NULL,
8d8e0703 2414 _("error in private header data"));
2db6cde7 2415 return;
80fccad2
BW		 2416 }
2417
2418 /* All went well. */
2419 return;
80fccad2
BW		 2420}
2421
594ef5db
NC		 2422/* Create a section in OBFD with the same
2423 name and attributes as ISECTION in IBFD. */
252b5132
RH		 2424
2425static void
84e2f313 2426setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
252b5132 2427{
3f5e193b 2428 bfd *obfd = (bfd *) obfdarg;
252b5132
RH		 2429 struct section_list *p;
2430 sec_ptr osection;
2431 bfd_size_type size;
2432 bfd_vma vma;
2433 bfd_vma lma;
2434 flagword flags;
1a89cc7d 2435 const char *err;
594ef5db 2436 const char * name;
d7fb0dd2 2437 char *prefix = NULL;
66125551 2438 bfd_boolean make_nobits;
0af11b59 2439
2593f09a 2440 if (is_strip_section (ibfd, isection))
252b5132
RH		 2441 return;
2442
b34976b6 2443 p = find_section_list (bfd_section_name (ibfd, isection), FALSE);
252b5132 2444 if (p != NULL)
b34976b6 2445 p->used = TRUE;
252b5132 2446
594ef5db
NC		 2447 /* Get the, possibly new, name of the output section. */
2448 name = find_section_rename (ibfd, isection, & flags);
0af11b59 2449
d7fb0dd2 2450 /* Prefix sections. */
84e2f313
NC		 2451 if ((prefix_alloc_sections_string)
2452 && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC))
d7fb0dd2
NC		 2453 prefix = prefix_alloc_sections_string;
2454 else if (prefix_sections_string)
2455 prefix = prefix_sections_string;
2456
2457 if (prefix)
2458 {
2459 char *n;
2460
3f5e193b 2461 n = (char *) xmalloc (strlen (prefix) + strlen (name) + 1);
d7fb0dd2
NC		 2462 strcpy (n, prefix);
2463 strcat (n, name);
2464 name = n;
2465 }
66491ebc 2466
66125551 2467 make_nobits = FALSE;
551b43fd
AM		 2468 if (p != NULL && p->set_flags)
2469 flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
42bb2e33 2470 else if (strip_symbols == STRIP_NONDEBUG
6c67a030
AM		 2471 && (flags & (SEC_ALLOC | SEC_GROUP)) != 0
2472 && !(ibfd->xvec->flavour == bfd_target_elf_flavour
2473 && elf_section_type (isection) == SHT_NOTE))
66125551 2474 {
6c67a030 2475 flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD | SEC_GROUP);
66125551
AM		 2476 if (obfd->xvec->flavour == bfd_target_elf_flavour)
2477 {
2478 make_nobits = TRUE;
2479
2480 /* Twiddle the input section flags so that it seems to
2481 elf.c:copy_private_bfd_data that section flags have not
2482 changed between input and output sections. This hack
2483 prevents wholesale rewriting of the program headers. */
6c67a030 2484 isection->flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD | SEC_GROUP);
66125551
AM		 2485 }
2486 }
551b43fd
AM		 2487
2488 osection = bfd_make_section_anyway_with_flags (obfd, name, flags);
57938635 2489
252b5132
RH		 2490 if (osection == NULL)
2491 {
2db6cde7 2492 err = _("failed to create output section");
252b5132
RH		 2493 goto loser;
2494 }
2495
66125551 2496 if (make_nobits)
551b43fd
AM		 2497 elf_section_type (osection) = SHT_NOBITS;
2498
252b5132
RH		 2499 size = bfd_section_size (ibfd, isection);
2500 if (copy_byte >= 0)
b7dd81f7 2501 size = (size + interleave - 1) / interleave * copy_width;
d3e52d40
RS		 2502 else if (extract_symbol)
2503 size = 0;
252b5132
RH		 2504 if (! bfd_set_section_size (obfd, osection, size))
2505 {
2db6cde7 2506 err = _("failed to set size");
252b5132
RH		 2507 goto loser;
2508 }
57938635 2509
252b5132
RH		 2510 vma = bfd_section_vma (ibfd, isection);
2511 if (p != NULL && p->change_vma == CHANGE_MODIFY)
2512 vma += p->vma_val;
2513 else if (p != NULL && p->change_vma == CHANGE_SET)
2514 vma = p->vma_val;
2515 else
2516 vma += change_section_address;
57938635 2517
237dcb53 2518 if (! bfd_set_section_vma (obfd, osection, vma))
252b5132 2519 {
2db6cde7 2520 err = _("failed to set vma");
252b5132
RH		 2521 goto loser;
2522 }
2523
2524 lma = isection->lma;
2525 if ((p != NULL) && p->change_lma != CHANGE_IGNORE)
2526 {
2527 if (p->change_lma == CHANGE_MODIFY)
2528 lma += p->lma_val;
2529 else if (p->change_lma == CHANGE_SET)
2530 lma = p->lma_val;
2531 else
2532 abort ();
2533 }
2534 else
2535 lma += change_section_address;
57938635 2536
237dcb53 2537 osection->lma = lma;
252b5132
RH		 2538
2539 /* FIXME: This is probably not enough. If we change the LMA we
2540 may have to recompute the header for the file as well. */
b34976b6
AM		 2541 if (!bfd_set_section_alignment (obfd,
2542 osection,
2543 bfd_section_alignment (ibfd, isection)))
252b5132 2544 {
2db6cde7 2545 err = _("failed to set alignment");
252b5132
RH		 2546 goto loser;
2547 }
2548
bc408b8a
JJ		 2549 /* Copy merge entity size. */
2550 osection->entsize = isection->entsize;
2551
252b5132
RH		 2552 /* This used to be mangle_section; we do here to avoid using
2553 bfd_get_section_by_name since some formats allow multiple
2554 sections with the same name. */
2555 isection->output_section = osection;
237dcb53 2556 isection->output_offset = 0;
d3e52d40
RS		 2557
2558 /* Do not copy backend data if --extract-symbol is passed; anything
2559 that needs to look at the section contents will fail. */
2560 if (extract_symbol)
2561 return;
252b5132 2562
119f4245
AM		 2563 if ((isection->flags & SEC_GROUP) != 0)
2564 {
2565 asymbol *gsym = group_signature (isection);
2566
2567 if (gsym != NULL)
2568 {
2569 gsym->flags |= BSF_KEEP;
2570 if (ibfd->xvec->flavour == bfd_target_elf_flavour)
2571 elf_group_id (isection) = gsym;
2572 }
2573 }
2574
252b5132
RH		 2575 /* Allow the BFD backend to copy any private data it understands
2576 from the input section to the output section. */
42bb2e33 2577 if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection))
252b5132 2578 {
2db6cde7 2579 err = _("failed to copy private data");
252b5132
RH		 2580 goto loser;
2581 }
2582
594ef5db 2583 /* All went well. */
252b5132
RH		 2584 return;
2585
2586loser:
252b5132 2587 status = 1;
2db6cde7 2588 bfd_nonfatal_message (NULL, obfd, osection, err);
252b5132
RH		 2589}
2590
2591/* Copy the data of input section ISECTION of IBFD
2592 to an output section with the same name in OBFD.
2593 If stripping then don't copy any relocation info. */
2594
2595static void
84e2f313 2596copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
252b5132 2597{
3f5e193b 2598 bfd *obfd = (bfd *) obfdarg;
252b5132
RH		 2599 struct section_list *p;
2600 arelent **relpp;
2601 long relcount;
2602 sec_ptr osection;
2603 bfd_size_type size;
2604 long relsize;
dc156bc0 2605 flagword flags;
252b5132 2606
594ef5db
NC		 2607 /* If we have already failed earlier on,
2608 do not keep on generating complaints now. */
252b5132
RH		 2609 if (status != 0)
2610 return;
57938635 2611
2593f09a 2612 if (is_strip_section (ibfd, isection))
e0c60db2 2613 return;
252b5132 2614
2593f09a 2615 flags = bfd_get_section_flags (ibfd, isection);
dc156bc0
AM		 2616 if ((flags & SEC_GROUP) != 0)
2617 return;
2618
252b5132 2619 osection = isection->output_section;
135dfb4a 2620 size = bfd_get_section_size (isection);
252b5132
RH		 2621
2622 if (size == 0 || osection == 0)
2623 return;
2624
237dcb53
AM		 2625 if (extract_symbol)
2626 return;
2627
2593f09a
NC		 2628 p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE);
2629
0af11b59 2630 /* Core files do not need to be relocated. */
4dd67f29
MS		 2631 if (bfd_get_format (obfd) == bfd_core)
2632 relsize = 0;
2633 else
ed570f48
NC		 2634 {
2635 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
4dd67f29 2636
ed570f48
NC		 2637 if (relsize < 0)
2638 {
2639 /* Do not complain if the target does not support relocations. */
2640 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2641 relsize = 0;
2642 else
2db6cde7
NS		 2643 {
2644 status = 1;
2645 bfd_nonfatal_message (NULL, ibfd, isection, NULL);
2646 return;
2647 }
ed570f48
NC		 2648 }
2649 }
57938635 2650
252b5132 2651 if (relsize == 0)
d3ba0551 2652 bfd_set_reloc (obfd, osection, NULL, 0);
252b5132
RH		 2653 else
2654 {
3f5e193b 2655 relpp = (arelent **) xmalloc (relsize);
252b5132
RH		 2656 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
2657 if (relcount < 0)
2db6cde7
NS		 2658 {
2659 status = 1;
2660 bfd_nonfatal_message (NULL, ibfd, isection,
2661 _("relocation count is negative"));
2662 return;
2663 }
57938635 2664
252b5132
RH		 2665 if (strip_symbols == STRIP_ALL)
2666 {
2667 /* Remove relocations which are not in
0af11b59 2668 keep_strip_specific_list. */
252b5132
RH		 2669 arelent **temp_relpp;
2670 long temp_relcount = 0;
2671 long i;
57938635 2672
3f5e193b 2673 temp_relpp = (arelent **) xmalloc (relsize);
252b5132 2674 for (i = 0; i < relcount; i++)
d3ba0551 2675 if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr),
047c9024 2676 keep_specific_htab))
252b5132
RH		 2677 temp_relpp [temp_relcount++] = relpp [i];
2678 relcount = temp_relcount;
2679 free (relpp);
2680 relpp = temp_relpp;
2681 }
e0c60db2 2682
d3ba0551 2683 bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount);
f0312d39
JJ		 2684 if (relcount == 0)
2685 free (relpp);
252b5132 2686 }
57938635 2687
0af11b59 2688 if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
4dd67f29 2689 && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
252b5132 2690 {
4a114e3e 2691 bfd_byte *memhunk = NULL;
252b5132 2692
4a114e3e 2693 if (!bfd_get_full_section_contents (ibfd, isection, &memhunk))
2db6cde7
NS		 2694 {
2695 status = 1;
2696 bfd_nonfatal_message (NULL, ibfd, isection, NULL);
2697 return;
2698 }
252b5132 2699
9e48b4c6
NC		 2700 if (reverse_bytes)
2701 {
2702 /* We don't handle leftover bytes (too many possible behaviors,
2703 and we don't know what the user wants). The section length
2704 must be a multiple of the number of bytes to swap. */
2705 if ((size % reverse_bytes) == 0)
2706 {
2707 unsigned long i, j;
2708 bfd_byte b;
2709
2710 for (i = 0; i < size; i += reverse_bytes)
2711 for (j = 0; j < (unsigned long)(reverse_bytes / 2); j++)
2712 {
2713 bfd_byte *m = (bfd_byte *) memhunk;
2714
2715 b = m[i + j];
2716 m[i + j] = m[(i + reverse_bytes) - (j + 1)];
2717 m[(i + reverse_bytes) - (j + 1)] = b;
2718 }
2719 }
2720 else
2721 /* User must pad the section up in order to do this. */
2722 fatal (_("cannot reverse bytes: length of section %s must be evenly divisible by %d"),
2723 bfd_section_name (ibfd, isection), reverse_bytes);
2724 }
2725
57938635 2726 if (copy_byte >= 0)
5e675b72
AM		 2727 {
2728 /* Keep only every `copy_byte'th byte in MEMHUNK. */
2f01ffbf 2729 char *from = (char *) memhunk + copy_byte;
3f5e193b 2730 char *to = (char *) memhunk;
2f01ffbf 2731 char *end = (char *) memhunk + size;
b7dd81f7 2732 int i;
5e675b72
AM		 2733
2734 for (; from < end; from += interleave)
b7dd81f7
NC		 2735 for (i = 0; i < copy_width; i++)
2736 *to++ = from[i];
5e675b72 2737
b7dd81f7 2738 size = (size + interleave - 1 - copy_byte) / interleave * copy_width;
5e675b72
AM		 2739 osection->lma /= interleave;
2740 }
252b5132 2741
d3ba0551 2742 if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2db6cde7
NS		 2743 {
2744 status = 1;
2745 bfd_nonfatal_message (NULL, obfd, osection, NULL);
2746 return;
2747 }
252b5132
RH		 2748 free (memhunk);
2749 }
2750 else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
2751 {
d3ba0551 2752 void *memhunk = xmalloc (size);
252b5132
RH		 2753
2754 /* We don't permit the user to turn off the SEC_HAS_CONTENTS
2755 flag--they can just remove the section entirely and add it
2756 back again. However, we do permit them to turn on the
2757 SEC_HAS_CONTENTS flag, and take it to mean that the section
2758 contents should be zeroed out. */
2759
2760 memset (memhunk, 0, size);
d3ba0551 2761 if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size))
2db6cde7
NS		 2762 {
2763 status = 1;
2764 bfd_nonfatal_message (NULL, obfd, osection, NULL);
2765 return;
2766 }
252b5132
RH		 2767 free (memhunk);
2768 }
2769}
2770
2771/* Get all the sections. This is used when --gap-fill or --pad-to is
2772 used. */
2773
2774static void
84e2f313 2775get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
252b5132 2776{
3f5e193b 2777 asection ***secppp = (asection ***) secppparg;
252b5132
RH		 2778
2779 **secppp = osection;
2780 ++(*secppp);
2781}
2782
2783/* Sort sections by VMA. This is called via qsort, and is used when
2784 --gap-fill or --pad-to is used. We force non loadable or empty
2785 sections to the front, where they are easier to ignore. */
2786
2787static int
84e2f313 2788compare_section_lma (const void *arg1, const void *arg2)
252b5132 2789{
3f5e193b
NC		 2790 const asection *const *sec1 = (const asection * const *) arg1;
2791 const asection *const *sec2 = (const asection * const *) arg2;
252b5132
RH		 2792 flagword flags1, flags2;
2793
2794 /* Sort non loadable sections to the front. */
2795 flags1 = (*sec1)->flags;
2796 flags2 = (*sec2)->flags;
2797 if ((flags1 & SEC_HAS_CONTENTS) == 0
2798 || (flags1 & SEC_LOAD) == 0)
2799 {
2800 if ((flags2 & SEC_HAS_CONTENTS) != 0
2801 && (flags2 & SEC_LOAD) != 0)
2802 return -1;
2803 }
2804 else
2805 {
2806 if ((flags2 & SEC_HAS_CONTENTS) == 0
2807 || (flags2 & SEC_LOAD) == 0)
2808 return 1;
2809 }
2810
2811 /* Sort sections by LMA. */
2812 if ((*sec1)->lma > (*sec2)->lma)
2813 return 1;
2814 else if ((*sec1)->lma < (*sec2)->lma)
2815 return -1;
2816
2817 /* Sort sections with the same LMA by size. */
135dfb4a 2818 if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2))
252b5132 2819 return 1;
135dfb4a 2820 else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2))
252b5132
RH		 2821 return -1;
2822
2823 return 0;
2824}
2825
2826/* Mark all the symbols which will be used in output relocations with
2827 the BSF_KEEP flag so that those symbols will not be stripped.
2828
2829 Ignore relocations which will not appear in the output file. */
2830
2831static void
84e2f313 2832mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg)
252b5132 2833{
3f5e193b 2834 asymbol **symbols = (asymbol **) symbolsarg;
252b5132
RH		 2835 long relsize;
2836 arelent **relpp;
2837 long relcount, i;
2838
2839 /* Ignore an input section with no corresponding output section. */
2840 if (isection->output_section == NULL)
2841 return;
2842
2843 relsize = bfd_get_reloc_upper_bound (ibfd, isection);
2844 if (relsize < 0)
ed570f48
NC		 2845 {
2846 /* Do not complain if the target does not support relocations. */
2847 if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
2848 return;
2849 bfd_fatal (bfd_get_filename (ibfd));
2850 }
252b5132
RH		 2851
2852 if (relsize == 0)
2853 return;
2854
3f5e193b 2855 relpp = (arelent **) xmalloc (relsize);
252b5132
RH		 2856 relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
2857 if (relcount < 0)
2858 bfd_fatal (bfd_get_filename (ibfd));
2859
ec5d57d5
NC		 2860 /* Examine each symbol used in a relocation. If it's not one of the
2861 special bfd section symbols, then mark it with BSF_KEEP. */
252b5132
RH		 2862 for (i = 0; i < relcount; i++)
2863 {
ec5d57d5
NC		 2864 if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol
2865 && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol
2866 && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol)
2867 (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP;
252b5132
RH		 2868 }
2869
2870 if (relpp != NULL)
2871 free (relpp);
2872}
2873
2874/* Write out debugging information. */
2875
b34976b6 2876static bfd_boolean
84e2f313
NC		 2877write_debugging_info (bfd *obfd, void *dhandle,
2878 long *symcountp ATTRIBUTE_UNUSED,
2879 asymbol ***symppp ATTRIBUTE_UNUSED)
252b5132
RH		 2880{
2881 if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
2882 return write_ieee_debugging_info (obfd, dhandle);
2883
2884 if (bfd_get_flavour (obfd) == bfd_target_coff_flavour
2885 || bfd_get_flavour (obfd) == bfd_target_elf_flavour)
2886 {
2887 bfd_byte *syms, *strings;
2888 bfd_size_type symsize, stringsize;
2889 asection *stabsec, *stabstrsec;
551b43fd 2890 flagword flags;
252b5132
RH		 2891
2892 if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms,
2893 &symsize, &strings,
2894 &stringsize))
b34976b6 2895 return FALSE;
252b5132 2896
551b43fd
AM		 2897 flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING;
2898 stabsec = bfd_make_section_with_flags (obfd, ".stab", flags);
2899 stabstrsec = bfd_make_section_with_flags (obfd, ".stabstr", flags);
252b5132
RH		 2900 if (stabsec == NULL
2901 || stabstrsec == NULL
2902 || ! bfd_set_section_size (obfd, stabsec, symsize)
2903 || ! bfd_set_section_size (obfd, stabstrsec, stringsize)
2904 || ! bfd_set_section_alignment (obfd, stabsec, 2)
551b43fd 2905 || ! bfd_set_section_alignment (obfd, stabstrsec, 0))
252b5132 2906 {
2db6cde7
NS		 2907 bfd_nonfatal_message (NULL, obfd, NULL,
2908 _("can't create debugging section"));
b34976b6 2909 return FALSE;
252b5132
RH		 2910 }
2911
2912 /* We can get away with setting the section contents now because
2913 the next thing the caller is going to do is copy over the
2914 real sections. We may someday have to split the contents
2915 setting out of this function. */
d3ba0551
AM		 2916 if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize)
2917 || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0,
2918 stringsize))
252b5132 2919 {
2db6cde7
NS		 2920 bfd_nonfatal_message (NULL, obfd, NULL,
2921 _("can't set debugging section contents"));
b34976b6 2922 return FALSE;
252b5132
RH		 2923 }
2924
b34976b6 2925 return TRUE;
252b5132
RH		 2926 }
2927
2db6cde7
NS		 2928 bfd_nonfatal_message (NULL, obfd, NULL,
2929 _("don't know how to write debugging information for %s"),
2930 bfd_get_target (obfd));
b34976b6 2931 return FALSE;
252b5132
RH		 2932}
2933
2934static int
84e2f313 2935strip_main (int argc, char *argv[])
252b5132 2936{
7c29036b
NC		 2937 char *input_target = NULL;
2938 char *output_target = NULL;
b34976b6 2939 bfd_boolean show_version = FALSE;
7c29036b
NC		 2940 bfd_boolean formats_info = FALSE;
2941 int c;
2942 int i;
252b5132
RH		 2943 struct section_list *p;
2944 char *output_file = NULL;
2945
5fe11841 2946 while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
252b5132
RH		 2947 strip_options, (int *) 0)) != EOF)
2948 {
2949 switch (c)
2950 {
2951 case 'I':
2952 input_target = optarg;
2953 break;
2954 case 'O':
2955 output_target = optarg;
2956 break;
2957 case 'F':
2958 input_target = output_target = optarg;
2959 break;
2960 case 'R':
b34976b6
AM		 2961 p = find_section_list (optarg, TRUE);
2962 p->remove = TRUE;
2963 sections_removed = TRUE;
252b5132
RH		 2964 break;
2965 case 's':
2966 strip_symbols = STRIP_ALL;
2967 break;
2968 case 'S':
2969 case 'g':
db4f6831 2970 case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */
252b5132
RH		 2971 strip_symbols = STRIP_DEBUG;
2972 break;
2973 case OPTION_STRIP_UNNEEDED:
2974 strip_symbols = STRIP_UNNEEDED;
2975 break;
2976 case 'K':
047c9024 2977 add_specific_symbol (optarg, keep_specific_htab);
252b5132
RH		 2978 break;
2979 case 'N':
047c9024 2980 add_specific_symbol (optarg, strip_specific_htab);
252b5132
RH		 2981 break;
2982 case 'o':
2983 output_file = optarg;
2984 break;
2985 case 'p':
b34976b6 2986 preserve_dates = TRUE;
252b5132
RH		 2987 break;
2988 case 'x':
2989 discard_locals = LOCALS_ALL;
2990 break;
2991 case 'X':
2992 discard_locals = LOCALS_START_L;
2993 break;
2994 case 'v':
b34976b6 2995 verbose = TRUE;
252b5132
RH		 2996 break;
2997 case 'V':
b34976b6 2998 show_version = TRUE;
252b5132 2999 break;
7c29036b
NC		 3000 case OPTION_FORMATS_INFO:
3001 formats_info = TRUE;
3002 break;
ed1653a7
NC		 3003 case OPTION_ONLY_KEEP_DEBUG:
3004 strip_symbols = STRIP_NONDEBUG;
3005 break;
1637cd90
JB		 3006 case OPTION_KEEP_FILE_SYMBOLS:
3007 keep_file_symbols = 1;
3008 break;
252b5132 3009 case 0:
594ef5db
NC		 3010 /* We've been given a long option. */
3011 break;
5fe11841
NC		 3012 case 'w':
3013 wildcard = TRUE;
3014 break;
8b53311e 3015 case 'H':
252b5132
RH		 3016 case 'h':
3017 strip_usage (stdout, 0);
3018 default:
3019 strip_usage (stderr, 1);
3020 }
3021 }
3022
84e2f313
NC		 3023 if (formats_info)
3024 {
3025 display_info ();
3026 return 0;
3027 }
c1c0eb9e 3028
252b5132
RH		 3029 if (show_version)
3030 print_version ("strip");
3031
3032 /* Default is to strip all symbols. */
3033 if (strip_symbols == STRIP_UNDEF
3034 && discard_locals == LOCALS_UNDEF
047c9024 3035 && htab_elements (strip_specific_htab) == 0)
252b5132
RH		 3036 strip_symbols = STRIP_ALL;
3037
d3ba0551 3038 if (output_target == NULL)
252b5132
RH		 3039 output_target = input_target;
3040
3041 i = optind;
3042 if (i == argc
3043 || (output_file != NULL && (i + 1) < argc))
3044 strip_usage (stderr, 1);
3045
3046 for (; i < argc; i++)
3047 {
3048 int hold_status = status;
3049 struct stat statbuf;
3050 char *tmpname;
3051
f24ddbdd 3052 if (get_file_size (argv[i]) < 1)
d68c385b
NC		 3053 {
3054 status = 1;
3055 continue;
3056 }
f24ddbdd 3057
252b5132 3058 if (preserve_dates)
f24ddbdd
NC		 3059 /* No need to check the return value of stat().
3060 It has already been checked in get_file_size(). */
3061 stat (argv[i], &statbuf);
252b5132 3062
8b6efd89
KT		 3063 if (output_file == NULL
3064 || filename_cmp (argv[i], output_file) == 0)
252b5132 3065 tmpname = make_tempname (argv[i]);
12f498a7
NS		 3066 else
3067 tmpname = output_file;
252b5132 3068
f9c026a8
NC		 3069 if (tmpname == NULL)
3070 {
2db6cde7
NS		 3071 bfd_nonfatal_message (argv[i], NULL, NULL,
3072 _("could not create temporary file to hold stripped copy"));
f9c026a8
NC		 3073 status = 1;
3074 continue;
3075 }
3076
d68c385b 3077 status = 0;
8b31b6c4 3078 copy_file (argv[i], tmpname, input_target, output_target, NULL);
252b5132
RH		 3079 if (status == 0)
3080 {
3081 if (preserve_dates)
3082 set_times (tmpname, &statbuf);
12f498a7 3083 if (output_file != tmpname)
92fac5ec
L		 3084 status = (smart_rename (tmpname,
3085 output_file ? output_file : argv[i],
3086 preserve_dates) != 0);
3087 if (status == 0)
3088 status = hold_status;
252b5132
RH		 3089 }
3090 else
bb14f524 3091 unlink_if_ordinary (tmpname);
12f498a7 3092 if (output_file != tmpname)
252b5132
RH		 3093 free (tmpname);
3094 }
3095
d68c385b 3096 return status;
252b5132
RH		 3097}
3098
92dd4511
L		 3099/* Set up PE subsystem. */
3100
3101static void
3102set_pe_subsystem (const char *s)
3103{
3104 const char *version, *subsystem;
3105 size_t i;
3106 static const struct
3107 {
3108 const char *name;
3109 const char set_def;
3110 const short value;
3111 }
3112 v[] =
3113 {
3114 { "native", 0, IMAGE_SUBSYSTEM_NATIVE },
3115 { "windows", 0, IMAGE_SUBSYSTEM_WINDOWS_GUI },
3116 { "console", 0, IMAGE_SUBSYSTEM_WINDOWS_CUI },
3117 { "posix", 0, IMAGE_SUBSYSTEM_POSIX_CUI },
3118 { "wince", 0, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI },
3119 { "efi-app", 1, IMAGE_SUBSYSTEM_EFI_APPLICATION },
3120 { "efi-bsd", 1, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER },
3121 { "efi-rtd", 1, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER },
d9118602 3122 { "sal-rtd", 1, IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER },
92dd4511
L		 3123 { "xbox", 0, IMAGE_SUBSYSTEM_XBOX }
3124 };
3125 short value;
3126 char *copy;
3127 int set_def = -1;
3128
3129 /* Check for the presence of a version number. */
3130 version = strchr (s, ':');
3131 if (version == NULL)
3132 subsystem = s;
3133 else
3134 {
3135 int len = version - s;
3136 copy = xstrdup (s);
3137 subsystem = copy;
3138 copy[len] = '\0';
3139 version = copy + 1 + len;
3140 pe_major_subsystem_version = strtoul (version, &copy, 0);
3141 if (*copy == '.')
3142 pe_minor_subsystem_version = strtoul (copy + 1, &copy, 0);
3143 if (*copy != '\0')
3144 non_fatal (_("%s: bad version in PE subsystem"), s);
3145 }
3146
3147 /* Check for numeric subsystem. */
3148 value = (short) strtol (subsystem, &copy, 0);
3149 if (*copy == '\0')
3150 {
3151 for (i = 0; i < ARRAY_SIZE (v); i++)
3152 if (v[i].value == value)
3153 {
3154 pe_subsystem = value;
3155 set_def = v[i].set_def;
3156 break;
3157 }
3158 }
3159 else
3160 {
3161 /* Search for subsystem by name. */
3162 for (i = 0; i < ARRAY_SIZE (v); i++)
3163 if (strcmp (subsystem, v[i].name) == 0)
3164 {
3165 pe_subsystem = v[i].value;
3166 set_def = v[i].set_def;
3167 break;
3168 }
3169 }
3170
3171 switch (set_def)
3172 {
3173 case -1:
3174 fatal (_("unknown PE subsystem: %s"), s);
3175 break;
3176 case 0:
3177 break;
3178 default:
3179 if (pe_file_alignment == (bfd_vma) -1)
3180 pe_file_alignment = PE_DEF_FILE_ALIGNMENT;
3181 if (pe_section_alignment == (bfd_vma) -1)
3182 pe_section_alignment = PE_DEF_SECTION_ALIGNMENT;
3183 break;
3184 }
0cbf3531
MS		 3185 if (s != subsystem)
3186 free ((char *) subsystem);
92dd4511
L		 3187}
3188
3189/* Convert EFI target to PEI target. */
3190
3191static void
3192convert_efi_target (char *efi)
3193{
3194 efi[0] = 'p';
3195 efi[1] = 'e';
3196 efi[2] = 'i';
3197
3198 if (strcmp (efi + 4, "ia32") == 0)
3199 {
3200 /* Change ia32 to i386. */
3201 efi[5]= '3';
3202 efi[6]= '8';
3203 efi[7]= '6';
3204 }
3205 else if (strcmp (efi + 4, "x86_64") == 0)
3206 {
3207 /* Change x86_64 to x86-64. */
3208 efi[7] = '-';
3209 }
3210}
3211
252b5132 3212static int
84e2f313 3213copy_main (int argc, char *argv[])
252b5132 3214{
7c29036b
NC		 3215 char *input_filename = NULL;
3216 char *output_filename = NULL;
c1c0eb9e 3217 char *tmpname;
7c29036b
NC		 3218 char *input_target = NULL;
3219 char *output_target = NULL;
b34976b6
AM		 3220 bfd_boolean show_version = FALSE;
3221 bfd_boolean change_warn = TRUE;
7c29036b 3222 bfd_boolean formats_info = FALSE;
252b5132
RH		 3223 int c;
3224 struct section_list *p;
3225 struct stat statbuf;
8b31b6c4 3226 const bfd_arch_info_type *input_arch = NULL;
252b5132 3227
5fe11841 3228 while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
252b5132
RH		 3229 copy_options, (int *) 0)) != EOF)
3230 {
3231 switch (c)
3232 {
3233 case 'b':
3234 copy_byte = atoi (optarg);
3235 if (copy_byte < 0)
3236 fatal (_("byte number must be non-negative"));
3237 break;
57938635 3238
0af11b59 3239 case 'B':
8b31b6c4
NC		 3240 input_arch = bfd_scan_arch (optarg);
3241 if (input_arch == NULL)
3242 fatal (_("architecture %s unknown"), optarg);
0af11b59 3243 break;
43a0748c 3244
252b5132 3245 case 'i':
b7dd81f7
NC		 3246 if (optarg)
3247 {
3248 interleave = atoi (optarg);
3249 if (interleave < 1)
3250 fatal (_("interleave must be positive"));
3251 }
3252 else
3253 interleave = 4;
3254 break;
3255
3256 case OPTION_INTERLEAVE_WIDTH:
3257 copy_width = atoi (optarg);
3258 if (copy_width < 1)
3259 fatal(_("interleave width must be positive"));
252b5132 3260 break;
57938635 3261
252b5132
RH		 3262 case 'I':
3263 case 's': /* "source" - 'I' is preferred */
3264 input_target = optarg;
3265 break;
57938635 3266
252b5132
RH		 3267 case 'O':
3268 case 'd': /* "destination" - 'O' is preferred */
3269 output_target = optarg;
3270 break;
57938635 3271
252b5132
RH		 3272 case 'F':
3273 input_target = output_target = optarg;
3274 break;
57938635 3275
f91ea849 3276 case 'j':
b34976b6 3277 p = find_section_list (optarg, TRUE);
f91ea849
ILT		 3278 if (p->remove)
3279 fatal (_("%s both copied and removed"), optarg);
b34976b6
AM		 3280 p->copy = TRUE;
3281 sections_copied = TRUE;
f91ea849 3282 break;
57938635 3283
252b5132 3284 case 'R':
b34976b6 3285 p = find_section_list (optarg, TRUE);
f91ea849
ILT		 3286 if (p->copy)
3287 fatal (_("%s both copied and removed"), optarg);
b34976b6
AM		 3288 p->remove = TRUE;
3289 sections_removed = TRUE;
252b5132 3290 break;
57938635 3291
252b5132
RH		 3292 case 'S':
3293 strip_symbols = STRIP_ALL;
3294 break;
57938635 3295
252b5132
RH		 3296 case 'g':
3297 strip_symbols = STRIP_DEBUG;
3298 break;
57938635 3299
252b5132
RH		 3300 case OPTION_STRIP_UNNEEDED:
3301 strip_symbols = STRIP_UNNEEDED;
3302 break;
57938635 3303
ed1653a7
NC		 3304 case OPTION_ONLY_KEEP_DEBUG:
3305 strip_symbols = STRIP_NONDEBUG;
3306 break;
3307
1637cd90
JB		 3308 case OPTION_KEEP_FILE_SYMBOLS:
3309 keep_file_symbols = 1;
3310 break;
3311
2593f09a
NC		 3312 case OPTION_ADD_GNU_DEBUGLINK:
3313 gnu_debuglink_filename = optarg;
3314 break;
3315
252b5132 3316 case 'K':
047c9024 3317 add_specific_symbol (optarg, keep_specific_htab);
252b5132 3318 break;
57938635 3319
252b5132 3320 case 'N':
047c9024 3321 add_specific_symbol (optarg, strip_specific_htab);
252b5132 3322 break;
57938635 3323
bcf32829 3324 case OPTION_STRIP_UNNEEDED_SYMBOL:
047c9024 3325 add_specific_symbol (optarg, strip_unneeded_htab);
bcf32829
JB		 3326 break;
3327
252b5132 3328 case 'L':
047c9024 3329 add_specific_symbol (optarg, localize_specific_htab);
252b5132 3330 break;
57938635 3331
7b4a0685 3332 case OPTION_GLOBALIZE_SYMBOL:
047c9024 3333 add_specific_symbol (optarg, globalize_specific_htab);
7b4a0685
NC		 3334 break;
3335
16b2b71c 3336 case 'G':
047c9024 3337 add_specific_symbol (optarg, keepglobal_specific_htab);
16b2b71c
NC		 3338 break;
3339
252b5132 3340 case 'W':
047c9024 3341 add_specific_symbol (optarg, weaken_specific_htab);
252b5132 3342 break;
57938635 3343
252b5132 3344 case 'p':
b34976b6 3345 preserve_dates = TRUE;
252b5132 3346 break;
57938635 3347
5fe11841
NC		 3348 case 'w':
3349 wildcard = TRUE;
3350 break;
3351
252b5132
RH		 3352 case 'x':
3353 discard_locals = LOCALS_ALL;
3354 break;
57938635 3355
252b5132
RH		 3356 case 'X':
3357 discard_locals = LOCALS_START_L;
3358 break;
57938635 3359
252b5132 3360 case 'v':
b34976b6 3361 verbose = TRUE;
252b5132 3362 break;
57938635 3363
252b5132 3364 case 'V':
b34976b6 3365 show_version = TRUE;
252b5132 3366 break;
57938635 3367
7c29036b
NC		 3368 case OPTION_FORMATS_INFO:
3369 formats_info = TRUE;
3370 break;
3371
252b5132 3372 case OPTION_WEAKEN:
b34976b6 3373 weaken = TRUE;
252b5132 3374 break;
57938635 3375
252b5132
RH		 3376 case OPTION_ADD_SECTION:
3377 {
3378 const char *s;
500ee42e 3379 size_t off, alloc;
252b5132 3380 struct section_add *pa;
252b5132
RH		 3381 FILE *f;
3382
3383 s = strchr (optarg, '=');
57938635 3384
252b5132 3385 if (s == NULL)
57938635 3386 fatal (_("bad format for %s"), "--add-section");
252b5132 3387
3f5e193b 3388 pa = (struct section_add *) xmalloc (sizeof (struct section_add));
500ee42e 3389 pa->name = xstrndup (optarg, s - optarg);
252b5132
RH		 3390 pa->filename = s + 1;
3391
500ee42e
ILT		 3392 /* We don't use get_file_size so that we can do
3393 --add-section .note.GNU_stack=/dev/null
3394 get_file_size doesn't work on /dev/null. */
57938635 3395
500ee42e 3396 f = fopen (pa->filename, FOPEN_RB);
252b5132 3397 if (f == NULL)
84e2f313
NC		 3398 fatal (_("cannot open: %s: %s"),
3399 pa->filename, strerror (errno));
57938635 3400
500ee42e
ILT		 3401 off = 0;
3402 alloc = 4096;
3403 pa->contents = (bfd_byte *) xmalloc (alloc);
3404 while (!feof (f))
3405 {
3406 off_t got;
3407
3408 if (off == alloc)
3409 {
3410 alloc <<= 1;
3411 pa->contents = (bfd_byte *) xrealloc (pa->contents, alloc);
3412 }
3413
3414 got = fread (pa->contents + off, 1, alloc - off, f);
3415 if (ferror (f))
3416 fatal (_("%s: fread failed"), pa->filename);
3417
3418 off += got;
3419 }
3420
3421 pa->size = off;
252b5132
RH		 3422
3423 fclose (f);
3424
3425 pa->next = add_sections;
3426 add_sections = pa;
3427 }
3428 break;
57938635 3429
252b5132
RH		 3430 case OPTION_CHANGE_START:
3431 change_start = parse_vma (optarg, "--change-start");
3432 break;
57938635 3433
252b5132
RH		 3434 case OPTION_CHANGE_SECTION_ADDRESS:
3435 case OPTION_CHANGE_SECTION_LMA:
3436 case OPTION_CHANGE_SECTION_VMA:
3437 {
3438 const char *s;
3439 int len;
3440 char *name;
b4c96d0d 3441 char *option = NULL;
252b5132 3442 bfd_vma val;
b4c96d0d 3443 enum change_action what = CHANGE_IGNORE;
57938635 3444
252b5132
RH		 3445 switch (c)
3446 {
b4c96d0d
ILT		 3447 case OPTION_CHANGE_SECTION_ADDRESS:
3448 option = "--change-section-address";
3449 break;
3450 case OPTION_CHANGE_SECTION_LMA:
3451 option = "--change-section-lma";
3452 break;
3453 case OPTION_CHANGE_SECTION_VMA:
3454 option = "--change-section-vma";
3455 break;
252b5132 3456 }
57938635 3457
252b5132
RH		 3458 s = strchr (optarg, '=');
3459 if (s == NULL)
3460 {
3461 s = strchr (optarg, '+');
3462 if (s == NULL)
3463 {
3464 s = strchr (optarg, '-');
3465 if (s == NULL)
3466 fatal (_("bad format for %s"), option);
3467 }
3468 }
3469
3470 len = s - optarg;
3f5e193b 3471 name = (char *) xmalloc (len + 1);
252b5132
RH		 3472 strncpy (name, optarg, len);
3473 name[len] = '\0';
3474
b34976b6 3475 p = find_section_list (name, TRUE);
252b5132
RH		 3476
3477 val = parse_vma (s + 1, option);
3478
3479 switch (*s)
3480 {
3481 case '=': what = CHANGE_SET; break;
3482 case '-': val = - val; /* Drop through. */
3483 case '+': what = CHANGE_MODIFY; break;
3484 }
57938635 3485
252b5132
RH		 3486 switch (c)
3487 {
3488 case OPTION_CHANGE_SECTION_ADDRESS:
3489 p->change_vma = what;
3490 p->vma_val = val;
3491 /* Drop through. */
57938635 3492
252b5132
RH		 3493 case OPTION_CHANGE_SECTION_LMA:
3494 p->change_lma = what;
3495 p->lma_val = val;
3496 break;
57938635 3497
252b5132
RH		 3498 case OPTION_CHANGE_SECTION_VMA:
3499 p->change_vma = what;
3500 p->vma_val = val;
3501 break;
3502 }
3503 }
3504 break;
57938635 3505
252b5132
RH		 3506 case OPTION_CHANGE_ADDRESSES:
3507 change_section_address = parse_vma (optarg, "--change-addresses");
3508 change_start = change_section_address;
3509 break;
57938635 3510
252b5132 3511 case OPTION_CHANGE_WARNINGS:
b34976b6 3512 change_warn = TRUE;
252b5132 3513 break;
57938635 3514
252b5132 3515 case OPTION_CHANGE_LEADING_CHAR:
b34976b6 3516 change_leading_char = TRUE;
252b5132 3517 break;
57938635 3518
4a114e3e
L		 3519 case OPTION_COMPRESS_DEBUG_SECTIONS:
3520 do_debug_sections = compress;
3521 break;
3522
252b5132 3523 case OPTION_DEBUGGING:
b34976b6 3524 convert_debugging = TRUE;
252b5132 3525 break;
57938635 3526
4a114e3e
L		 3527 case OPTION_DECOMPRESS_DEBUG_SECTIONS:
3528 do_debug_sections = decompress;
3529 break;
3530
252b5132
RH		 3531 case OPTION_GAP_FILL:
3532 {
3533 bfd_vma gap_fill_vma;
3534
3535 gap_fill_vma = parse_vma (optarg, "--gap-fill");
3536 gap_fill = (bfd_byte) gap_fill_vma;
3537 if ((bfd_vma) gap_fill != gap_fill_vma)
3538 {
3539 char buff[20];
57938635 3540
252b5132 3541 sprintf_vma (buff, gap_fill_vma);
57938635 3542
252b5132
RH		 3543 non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"),
3544 buff, gap_fill);
3545 }
b34976b6 3546 gap_fill_set = TRUE;
252b5132
RH		 3547 }
3548 break;
57938635 3549
252b5132 3550 case OPTION_NO_CHANGE_WARNINGS:
b34976b6 3551 change_warn = FALSE;
252b5132 3552 break;
57938635 3553
252b5132
RH		 3554 case OPTION_PAD_TO:
3555 pad_to = parse_vma (optarg, "--pad-to");
b34976b6 3556 pad_to_set = TRUE;
252b5132 3557 break;
57938635 3558
252b5132 3559 case OPTION_REMOVE_LEADING_CHAR:
b34976b6 3560 remove_leading_char = TRUE;
252b5132 3561 break;
57938635
AM		 3562
3563 case OPTION_REDEFINE_SYM:
3564 {
3565 /* Push this redefinition onto redefine_symbol_list. */
3566
3567 int len;
3568 const char *s;
3569 const char *nextarg;
3570 char *source, *target;
3571
3572 s = strchr (optarg, '=');
3573 if (s == NULL)
594ef5db 3574 fatal (_("bad format for %s"), "--redefine-sym");
57938635
AM		 3575
3576 len = s - optarg;
3f5e193b 3577 source = (char *) xmalloc (len + 1);
57938635
AM		 3578 strncpy (source, optarg, len);
3579 source[len] = '\0';
3580
3581 nextarg = s + 1;
3582 len = strlen (nextarg);
3f5e193b 3583 target = (char *) xmalloc (len + 1);
57938635
AM		 3584 strcpy (target, nextarg);
3585
92991082 3586 redefine_list_append ("--redefine-sym", source, target);
57938635
AM		 3587
3588 free (source);
3589 free (target);
3590 }
3591 break;
3592
92991082
JT		 3593 case OPTION_REDEFINE_SYMS:
3594 add_redefine_syms_file (optarg);
3595 break;
3596
252b5132
RH		 3597 case OPTION_SET_SECTION_FLAGS:
3598 {
3599 const char *s;
3600 int len;
3601 char *name;
3602
3603 s = strchr (optarg, '=');
3604 if (s == NULL)
57938635 3605 fatal (_("bad format for %s"), "--set-section-flags");
252b5132
RH		 3606
3607 len = s - optarg;
3f5e193b 3608 name = (char *) xmalloc (len + 1);
252b5132
RH		 3609 strncpy (name, optarg, len);
3610 name[len] = '\0';
3611
b34976b6 3612 p = find_section_list (name, TRUE);
252b5132 3613
b34976b6 3614 p->set_flags = TRUE;
252b5132
RH		 3615 p->flags = parse_flags (s + 1);
3616 }
3617 break;
57938635 3618
594ef5db
NC		 3619 case OPTION_RENAME_SECTION:
3620 {
3621 flagword flags;
3bcfb3e4
AM		 3622 const char *eq, *fl;
3623 char *old_name;
3624 char *new_name;
594ef5db
NC		 3625 unsigned int len;
3626
3bcfb3e4
AM		 3627 eq = strchr (optarg, '=');
3628 if (eq == NULL)
594ef5db
NC		 3629 fatal (_("bad format for %s"), "--rename-section");
3630
3bcfb3e4 3631 len = eq - optarg;
594ef5db 3632 if (len == 0)
3bcfb3e4 3633 fatal (_("bad format for %s"), "--rename-section");
594ef5db 3634
3f5e193b 3635 old_name = (char *) xmalloc (len + 1);
594ef5db
NC		 3636 strncpy (old_name, optarg, len);
3637 old_name[len] = 0;
3638
3bcfb3e4
AM		 3639 eq++;
3640 fl = strchr (eq, ',');
3641 if (fl)
594ef5db 3642 {
3bcfb3e4
AM		 3643 flags = parse_flags (fl + 1);
3644 len = fl - eq;
594ef5db
NC		 3645 }
3646 else
3647 {
594ef5db 3648 flags = -1;
3bcfb3e4 3649 len = strlen (eq);
594ef5db
NC		 3650 }
3651
3bcfb3e4
AM		 3652 if (len == 0)
3653 fatal (_("bad format for %s"), "--rename-section");
3654
3f5e193b 3655 new_name = (char *) xmalloc (len + 1);
3bcfb3e4
AM		 3656 strncpy (new_name, eq, len);
3657 new_name[len] = 0;
3658
594ef5db
NC		 3659 add_section_rename (old_name, new_name, flags);
3660 }
3661 break;
3662
252b5132
RH		 3663 case OPTION_SET_START:
3664 set_start = parse_vma (optarg, "--set-start");
b34976b6 3665 set_start_set = TRUE;
252b5132 3666 break;
57938635 3667
0af11b59
KH		 3668 case OPTION_SREC_LEN:
3669 Chunk = parse_vma (optarg, "--srec-len");
3670 break;
420496c1 3671
0af11b59 3672 case OPTION_SREC_FORCES3:
b34976b6 3673 S3Forced = TRUE;
0af11b59 3674 break;
420496c1 3675
16b2b71c 3676 case OPTION_STRIP_SYMBOLS:
047c9024 3677 add_specific_symbols (optarg, strip_specific_htab);
16b2b71c
NC		 3678 break;
3679
bcf32829 3680 case OPTION_STRIP_UNNEEDED_SYMBOLS:
047c9024 3681 add_specific_symbols (optarg, strip_unneeded_htab);
bcf32829
JB		 3682 break;
3683
16b2b71c 3684 case OPTION_KEEP_SYMBOLS:
047c9024 3685 add_specific_symbols (optarg, keep_specific_htab);
16b2b71c
NC		 3686 break;
3687
d58c2e3a
RS		 3688 case OPTION_LOCALIZE_HIDDEN:
3689 localize_hidden = TRUE;
3690 break;
3691
16b2b71c 3692 case OPTION_LOCALIZE_SYMBOLS:
047c9024 3693 add_specific_symbols (optarg, localize_specific_htab);
16b2b71c
NC		 3694 break;
3695
0408dee6
DK		 3696 case OPTION_LONG_SECTION_NAMES:
3697 if (!strcmp ("enable", optarg))
3698 long_section_names = ENABLE;
3699 else if (!strcmp ("disable", optarg))
3700 long_section_names = DISABLE;
3701 else if (!strcmp ("keep", optarg))
3702 long_section_names = KEEP;
3703 else
3704 fatal (_("unknown long section names option '%s'"), optarg);
3705 break;
3706
7b4a0685 3707 case OPTION_GLOBALIZE_SYMBOLS:
047c9024 3708 add_specific_symbols (optarg, globalize_specific_htab);
7b4a0685
NC		 3709 break;
3710
16b2b71c 3711 case OPTION_KEEPGLOBAL_SYMBOLS:
047c9024 3712 add_specific_symbols (optarg, keepglobal_specific_htab);
16b2b71c
NC		 3713 break;
3714
3715 case OPTION_WEAKEN_SYMBOLS:
047c9024 3716 add_specific_symbols (optarg, weaken_specific_htab);
16b2b71c
NC		 3717 break;
3718
1ae8b3d2 3719 case OPTION_ALT_MACH_CODE:
f9d4ad2a
NC		 3720 use_alt_mach_code = strtoul (optarg, NULL, 0);
3721 if (use_alt_mach_code == 0)
3722 fatal (_("unable to parse alternative machine code"));
1ae8b3d2
AO		 3723 break;
3724
d7fb0dd2
NC		 3725 case OPTION_PREFIX_SYMBOLS:
3726 prefix_symbols_string = optarg;
3727 break;
3728
3729 case OPTION_PREFIX_SECTIONS:
3730 prefix_sections_string = optarg;
3731 break;
3732
3733 case OPTION_PREFIX_ALLOC_SECTIONS:
3734 prefix_alloc_sections_string = optarg;
3735 break;
3736
4087920c
MR		 3737 case OPTION_READONLY_TEXT:
3738 bfd_flags_to_set |= WP_TEXT;
3739 bfd_flags_to_clear &= ~WP_TEXT;
3740 break;
3741
3742 case OPTION_WRITABLE_TEXT:
3743 bfd_flags_to_clear |= WP_TEXT;
3744 bfd_flags_to_set &= ~WP_TEXT;
3745 break;
3746
3747 case OPTION_PURE:
3748 bfd_flags_to_set |= D_PAGED;
3749 bfd_flags_to_clear &= ~D_PAGED;
3750 break;
3751
3752 case OPTION_IMPURE:
3753 bfd_flags_to_clear |= D_PAGED;
3754 bfd_flags_to_set &= ~D_PAGED;
3755 break;
3756
d3e52d40
RS		 3757 case OPTION_EXTRACT_SYMBOL:
3758 extract_symbol = TRUE;
3759 break;
3760
9e48b4c6
NC		 3761 case OPTION_REVERSE_BYTES:
3762 {
3763 int prev = reverse_bytes;
3764
3765 reverse_bytes = atoi (optarg);
3766 if ((reverse_bytes <= 0) || ((reverse_bytes % 2) != 0))
3767 fatal (_("number of bytes to reverse must be positive and even"));
3768
3769 if (prev && prev != reverse_bytes)
3770 non_fatal (_("Warning: ignoring previous --reverse-bytes value of %d"),
3771 prev);
3772 break;
3773 }
3774
92dd4511
L		 3775 case OPTION_FILE_ALIGNMENT:
3776 pe_file_alignment = parse_vma (optarg, "--file-alignment");
3777 break;
3778
3779 case OPTION_HEAP:
3780 {
3781 char *end;
3782 pe_heap_reserve = strtoul (optarg, &end, 0);
3783 if (end == optarg
3784 || (*end != '.' && *end != '\0'))
3785 non_fatal (_("%s: invalid reserve value for --heap"),
3786 optarg);
3787 else if (*end != '\0')
3788 {
3789 pe_heap_commit = strtoul (end + 1, &end, 0);
3790 if (*end != '\0')
3791 non_fatal (_("%s: invalid commit value for --heap"),
3792 optarg);
3793 }
3794 }
3795 break;
3796
3797 case OPTION_IMAGE_BASE:
3798 pe_image_base = parse_vma (optarg, "--image-base");
3799 break;
3800
3801 case OPTION_SECTION_ALIGNMENT:
3802 pe_section_alignment = parse_vma (optarg,
3803 "--section-alignment");
3804 break;
3805
3806 case OPTION_SUBSYSTEM:
3807 set_pe_subsystem (optarg);
3808 break;
3809
3810 case OPTION_STACK:
3811 {
3812 char *end;
3813 pe_stack_reserve = strtoul (optarg, &end, 0);
3814 if (end == optarg
3815 || (*end != '.' && *end != '\0'))
3816 non_fatal (_("%s: invalid reserve value for --stack"),
3817 optarg);
3818 else if (*end != '\0')
3819 {
3820 pe_stack_commit = strtoul (end + 1, &end, 0);
3821 if (*end != '\0')
3822 non_fatal (_("%s: invalid commit value for --stack"),
3823 optarg);
3824 }
3825 }
3826 break;
3827
252b5132 3828 case 0:
2593f09a
NC		 3829 /* We've been given a long option. */
3830 break;
57938635 3831
8b53311e 3832 case 'H':
252b5132
RH		 3833 case 'h':
3834 copy_usage (stdout, 0);
57938635 3835
252b5132
RH		 3836 default:
3837 copy_usage (stderr, 1);
3838 }
3839 }
3840
7c29036b
NC		 3841 if (formats_info)
3842 {
3843 display_info ();
3844 return 0;
3845 }
c1c0eb9e 3846
252b5132
RH		 3847 if (show_version)
3848 print_version ("objcopy");
3849
b7dd81f7
NC		 3850 if (interleave && copy_byte == -1)
3851 fatal (_("interleave start byte must be set with --byte"));
3852
252b5132
RH		 3853 if (copy_byte >= interleave)
3854 fatal (_("byte number must be less than interleave"));
3855
b7dd81f7
NC		 3856 if (copy_width > interleave - copy_byte)
3857 fatal (_("interleave width must be less than or equal to interleave - byte`"));
3858
252b5132
RH		 3859 if (optind == argc || optind + 2 < argc)
3860 copy_usage (stderr, 1);
3861
3862 input_filename = argv[optind];
3863 if (optind + 1 < argc)
3864 output_filename = argv[optind + 1];
3865
3866 /* Default is to strip no symbols. */
3867 if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF)
3868 strip_symbols = STRIP_NONE;
3869
d3ba0551 3870 if (output_target == NULL)
252b5132
RH		 3871 output_target = input_target;
3872
92dd4511
L		 3873 /* Convert input EFI target to PEI target. */
3874 if (input_target != NULL
3875 && strncmp (input_target, "efi-", 4) == 0)
3876 {
3877 char *efi;
3878
3879 efi = xstrdup (output_target + 4);
3880 if (strncmp (efi, "bsdrv-", 6) == 0
3881 || strncmp (efi, "rtdrv-", 6) == 0)
3882 efi += 2;
3883 else if (strncmp (efi, "app-", 4) != 0)
3884 fatal (_("unknown input EFI target: %s"), input_target);
3885
3886 input_target = efi;
3887 convert_efi_target (efi);
3888 }
3889
3890 /* Convert output EFI target to PEI target. */
3891 if (output_target != NULL
3892 && strncmp (output_target, "efi-", 4) == 0)
3893 {
3894 char *efi;
3895
3896 efi = xstrdup (output_target + 4);
3897 if (strncmp (efi, "app-", 4) == 0)
3898 {
3899 if (pe_subsystem == -1)
3900 pe_subsystem = IMAGE_SUBSYSTEM_EFI_APPLICATION;
3901 }
3902 else if (strncmp (efi, "bsdrv-", 6) == 0)
3903 {
3904 if (pe_subsystem == -1)
3905 pe_subsystem = IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER;
3906 efi += 2;
3907 }
3908 else if (strncmp (efi, "rtdrv-", 6) == 0)
3909 {
3910 if (pe_subsystem == -1)
3911 pe_subsystem = IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER;
3912 efi += 2;
3913 }
3914 else
3915 fatal (_("unknown output EFI target: %s"), output_target);
3916
3917 if (pe_file_alignment == (bfd_vma) -1)
3918 pe_file_alignment = PE_DEF_FILE_ALIGNMENT;
3919 if (pe_section_alignment == (bfd_vma) -1)
3920 pe_section_alignment = PE_DEF_SECTION_ALIGNMENT;
3921
3922 output_target = efi;
3923 convert_efi_target (efi);
3924 }
3925
43a0748c
NC		 3926 if (preserve_dates)
3927 if (stat (input_filename, & statbuf) < 0)
f24ddbdd
NC		 3928 fatal (_("warning: could not locate '%s'. System error message: %s"),
3929 input_filename, strerror (errno));
43a0748c 3930
0fcdcb91 3931 /* If there is no destination file, or the source and destination files
d3ba0551 3932 are the same, then create a temp and rename the result into the input. */
8b6efd89
KT		 3933 if (output_filename == NULL
3934 || filename_cmp (input_filename, output_filename) == 0)
12f498a7 3935 tmpname = make_tempname (input_filename);
252b5132 3936 else
12f498a7 3937 tmpname = output_filename;
c1c0eb9e 3938
12f498a7
NS		 3939 if (tmpname == NULL)
3940 fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
3941 input_filename, strerror (errno));
594ef5db 3942
8b31b6c4 3943 copy_file (input_filename, tmpname, input_target, output_target, input_arch);
12f498a7
NS		 3944 if (status == 0)
3945 {
3946 if (preserve_dates)
3947 set_times (tmpname, &statbuf);
3948 if (tmpname != output_filename)
92fac5ec
L		 3949 status = (smart_rename (tmpname, input_filename,
3950 preserve_dates) != 0);
252b5132 3951 }
12f498a7
NS		 3952 else
3953 unlink_if_ordinary (tmpname);
252b5132
RH		 3954
3955 if (change_warn)
3956 {
3957 for (p = change_sections; p != NULL; p = p->next)
3958 {
3959 if (! p->used)
3960 {
3961 if (p->change_vma != CHANGE_IGNORE)
3962 {
3963 char buff [20];
3964
3965 sprintf_vma (buff, p->vma_val);
57938635 3966
252b5132 3967 /* xgettext:c-format */
57938635
AM		 3968 non_fatal (_("%s %s%c0x%s never used"),
3969 "--change-section-vma",
252b5132
RH		 3970 p->name,
3971 p->change_vma == CHANGE_SET ? '=' : '+',
3972 buff);
3973 }
57938635 3974
252b5132
RH		 3975 if (p->change_lma != CHANGE_IGNORE)
3976 {
3977 char buff [20];
3978
3979 sprintf_vma (buff, p->lma_val);
57938635 3980
252b5132 3981 /* xgettext:c-format */
57938635
AM		 3982 non_fatal (_("%s %s%c0x%s never used"),
3983 "--change-section-lma",
252b5132
RH		 3984 p->name,
3985 p->change_lma == CHANGE_SET ? '=' : '+',
3986 buff);
3987 }
3988 }
3989 }
3990 }
3991
3992 return 0;
3993}
3994
3995int
84e2f313 3996main (int argc, char *argv[])
252b5132
RH		 3997{
3998#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
3999 setlocale (LC_MESSAGES, "");
3882b010
L		 4000#endif
4001#if defined (HAVE_SETLOCALE)
4002 setlocale (LC_CTYPE, "");
252b5132
RH		 4003#endif
4004 bindtextdomain (PACKAGE, LOCALEDIR);
4005 textdomain (PACKAGE);
4006
4007 program_name = argv[0];
4008 xmalloc_set_program_name (program_name);
4009
4010 START_PROGRESS (program_name, 0);
4011
869b9d07
MM		 4012 expandargv (&argc, &argv);
4013
252b5132
RH		 4014 strip_symbols = STRIP_UNDEF;
4015 discard_locals = LOCALS_UNDEF;
4016
4017 bfd_init ();
4018 set_default_bfd_target ();
4019
4020 if (is_strip < 0)
4021 {
4022 int i = strlen (program_name);
5af11cab
AM		 4023#ifdef HAVE_DOS_BASED_FILE_SYSTEM
4024 /* Drop the .exe suffix, if any. */
4025 if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0)
4026 {
4027 i -= 4;
4028 program_name[i] = '\0';
4029 }
4030#endif
4031 is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0);
252b5132
RH		 4032 }
4033
047c9024
NC		 4034 create_symbol_htabs ();
4035
252b5132
RH		 4036 if (is_strip)
4037 strip_main (argc, argv);
4038 else
4039 copy_main (argc, argv);
4040
4041 END_PROGRESS (program_name);
4042
4043 return status;
4044}
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