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