Commit | Line | Data |
---|---|---|
c0367ba5 | 1 | /* objcopy.c -- copy object file from input to output, optionally massaging it. |
eaa147a6 ILT |
2 | Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 1998 |
3 | Free Software Foundation, Inc. | |
c0367ba5 | 4 | |
46050fe4 ILT |
5 | This file is part of GNU Binutils. |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
eaa147a6 ILT |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
20 | 02111-1307, USA. */ | |
46050fe4 | 21 | \f |
c0367ba5 | 22 | #include "bfd.h" |
5ab41086 | 23 | #include "progress.h" |
c0367ba5 | 24 | #include "bucomm.h" |
f5818d79 | 25 | #include "getopt.h" |
6c7ed084 | 26 | #include "libiberty.h" |
f5818d79 | 27 | #include "budbg.h" |
28b5eb12 | 28 | #include <sys/stat.h> |
c0367ba5 | 29 | |
8d2e72a1 RH |
30 | #ifdef HAVE_GOOD_UTIME_H |
31 | #include <utime.h> | |
32 | #else /* ! HAVE_GOOD_UTIME_H */ | |
33 | #ifdef HAVE_UTIMES | |
34 | #include <sys/time.h> | |
35 | #endif /* HAVE_UTIMES */ | |
36 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
37 | ||
25fd0ed4 ILT |
38 | /* A list of symbols to explicitly strip out, or to keep. A linked |
39 | list is good enough for a small number from the command line, but | |
40 | this will slow things down a lot if many symbols are being | |
41 | deleted. */ | |
42 | ||
43 | struct symlist | |
44 | { | |
45 | const char *name; | |
46 | struct symlist *next; | |
47 | }; | |
48 | ||
8d2e72a1 RH |
49 | static void copy_usage PARAMS ((FILE *, int)); |
50 | static void strip_usage PARAMS ((FILE *, int)); | |
5ab41086 | 51 | static flagword parse_flags PARAMS ((const char *)); |
5ab41086 | 52 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); |
6c7ed084 ILT |
53 | static void setup_section PARAMS ((bfd *, asection *, PTR)); |
54 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
596d99ba ILT |
55 | static void get_sections PARAMS ((bfd *, asection *, PTR)); |
56 | static int compare_section_vma PARAMS ((const PTR, const PTR)); | |
25fd0ed4 ILT |
57 | static void add_specific_symbol PARAMS ((const char *, struct symlist **)); |
58 | static boolean is_specified_symbol PARAMS ((const char *, struct symlist *)); | |
5ab41086 | 59 | static boolean is_strip_section PARAMS ((bfd *, asection *)); |
4af19c61 | 60 | static unsigned int filter_symbols |
8d2e72a1 | 61 | PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long)); |
6c7ed084 | 62 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); |
8d2e72a1 | 63 | static void filter_bytes PARAMS ((char *, bfd_size_type *)); |
f5818d79 | 64 | static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***)); |
8d2e72a1 RH |
65 | static void copy_object PARAMS ((bfd *, bfd *)); |
66 | static void copy_archive PARAMS ((bfd *, bfd *, const char *)); | |
67 | static void copy_file | |
68 | PARAMS ((const char *, const char *, const char *, const char *)); | |
69 | static int simple_copy PARAMS ((const char *, const char *)); | |
70 | static int smart_rename PARAMS ((const char *, const char *)); | |
71 | static void set_times PARAMS ((const char *, const struct stat *)); | |
72 | static int strip_main PARAMS ((int, char **)); | |
73 | static int copy_main PARAMS ((int, char **)); | |
c0367ba5 | 74 | |
46050fe4 | 75 | #define nonfatal(s) {bfd_nonfatal(s); status = 1; return;} |
c0367ba5 | 76 | |
46050fe4 ILT |
77 | static asymbol **isympp = NULL; /* Input symbols */ |
78 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
f7b839f7 DM |
79 | |
80 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
81 | static int copy_byte = -1; | |
82 | static int interleave = 4; | |
83 | ||
46050fe4 | 84 | static boolean verbose; /* Print file and target names. */ |
f7b839f7 | 85 | static int status = 0; /* Exit status. */ |
c0367ba5 ILT |
86 | |
87 | enum strip_action | |
46050fe4 ILT |
88 | { |
89 | strip_undef, | |
90 | strip_none, /* don't strip */ | |
91 | strip_debug, /* strip all debugger symbols */ | |
9135e5f8 | 92 | strip_unneeded, /* strip unnecessary symbols */ |
46050fe4 ILT |
93 | strip_all /* strip all symbols */ |
94 | }; | |
c0367ba5 ILT |
95 | |
96 | /* Which symbols to remove. */ | |
46050fe4 | 97 | static enum strip_action strip_symbols; |
c0367ba5 ILT |
98 | |
99 | enum locals_action | |
46050fe4 ILT |
100 | { |
101 | locals_undef, | |
102 | locals_start_L, /* discard locals starting with L */ | |
103 | locals_all /* discard all locals */ | |
104 | }; | |
105 | ||
106 | /* Which local symbols to remove. Overrides strip_all. */ | |
107 | static enum locals_action discard_locals; | |
108 | ||
6c7ed084 ILT |
109 | /* Structure used to hold lists of sections and actions to take. */ |
110 | ||
111 | struct section_list | |
112 | { | |
113 | /* Next section to adjust. */ | |
114 | struct section_list *next; | |
115 | /* Section name. */ | |
116 | const char *name; | |
117 | /* Whether this entry was used. */ | |
118 | boolean used; | |
5ab41086 ILT |
119 | /* Whether to remove this section. */ |
120 | boolean remove; | |
6c7ed084 | 121 | /* Whether to adjust or set VMA. */ |
5ab41086 | 122 | enum { ignore_vma, adjust_vma, set_vma } adjust; |
6c7ed084 ILT |
123 | /* Amount to adjust by or set to. */ |
124 | bfd_vma val; | |
5ab41086 ILT |
125 | /* Whether to set the section flags. */ |
126 | boolean set_flags; | |
127 | /* What to set the section flags to. */ | |
128 | flagword flags; | |
6c7ed084 ILT |
129 | }; |
130 | ||
5ab41086 ILT |
131 | static struct section_list *adjust_sections; |
132 | static boolean sections_removed; | |
6c7ed084 ILT |
133 | |
134 | /* Adjustments to the start address. */ | |
135 | static bfd_vma adjust_start = 0; | |
136 | static boolean set_start_set = false; | |
137 | static bfd_vma set_start; | |
138 | ||
139 | /* Adjustments to section VMA's. */ | |
140 | static bfd_vma adjust_section_vma = 0; | |
6c7ed084 | 141 | |
596d99ba ILT |
142 | /* Filling gaps between sections. */ |
143 | static boolean gap_fill_set = false; | |
87a15686 ILT |
144 | static bfd_byte gap_fill = 0; |
145 | ||
146 | /* Pad to a given address. */ | |
147 | static boolean pad_to_set = false; | |
148 | static bfd_vma pad_to; | |
596d99ba | 149 | |
5ab41086 ILT |
150 | /* List of sections to add. */ |
151 | ||
152 | struct section_add | |
153 | { | |
154 | /* Next section to add. */ | |
155 | struct section_add *next; | |
156 | /* Name of section to add. */ | |
157 | const char *name; | |
158 | /* Name of file holding section contents. */ | |
159 | const char *filename; | |
160 | /* Size of file. */ | |
161 | size_t size; | |
162 | /* Contents of file. */ | |
163 | bfd_byte *contents; | |
164 | /* BFD section, after it has been added. */ | |
165 | asection *section; | |
166 | }; | |
167 | ||
168 | static struct section_add *add_sections; | |
169 | ||
f5818d79 ILT |
170 | /* Whether to convert debugging information. */ |
171 | ||
172 | static boolean convert_debugging = false; | |
173 | ||
8d2e72a1 RH |
174 | /* Whether to change the leading character in symbol names. */ |
175 | ||
176 | static boolean change_leading_char = false; | |
177 | ||
178 | /* Whether to remove the leading character from global symbol names. */ | |
179 | ||
180 | static boolean remove_leading_char = false; | |
181 | ||
25fd0ed4 ILT |
182 | /* List of symbols to strip, keep, localize, and weaken. */ |
183 | ||
184 | static struct symlist *strip_specific_list = NULL; | |
185 | static struct symlist *keep_specific_list = NULL; | |
186 | static struct symlist *localize_specific_list = NULL; | |
187 | static struct symlist *weaken_specific_list = NULL; | |
188 | ||
189 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
190 | ||
191 | static boolean weaken = false; | |
192 | ||
9135e5f8 ILT |
193 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
194 | ||
195 | #define OPTION_ADD_SECTION 150 | |
196 | #define OPTION_ADJUST_START (OPTION_ADD_SECTION + 1) | |
197 | #define OPTION_ADJUST_VMA (OPTION_ADJUST_START + 1) | |
198 | #define OPTION_ADJUST_SECTION_VMA (OPTION_ADJUST_VMA + 1) | |
199 | #define OPTION_ADJUST_WARNINGS (OPTION_ADJUST_SECTION_VMA + 1) | |
8d2e72a1 RH |
200 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_ADJUST_WARNINGS + 1) |
201 | #define OPTION_DEBUGGING (OPTION_CHANGE_LEADING_CHAR + 1) | |
f5818d79 | 202 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) |
9135e5f8 ILT |
203 | #define OPTION_NO_ADJUST_WARNINGS (OPTION_GAP_FILL + 1) |
204 | #define OPTION_PAD_TO (OPTION_NO_ADJUST_WARNINGS + 1) | |
8d2e72a1 RH |
205 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) |
206 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
9135e5f8 ILT |
207 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) |
208 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
8d2e72a1 | 209 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) |
9135e5f8 | 210 | |
46050fe4 ILT |
211 | /* Options to handle if running as "strip". */ |
212 | ||
213 | static struct option strip_options[] = | |
c0367ba5 | 214 | { |
46050fe4 ILT |
215 | {"discard-all", no_argument, 0, 'x'}, |
216 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 217 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
46050fe4 | 218 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 219 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 | 220 | {"input-target", required_argument, 0, 'I'}, |
9135e5f8 | 221 | {"keep-symbol", required_argument, 0, 'K'}, |
46050fe4 | 222 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 223 | {"output-target", required_argument, 0, 'O'}, |
8d2e72a1 | 224 | {"preserve-dates", no_argument, 0, 'p'}, |
6c7ed084 | 225 | {"remove-section", required_argument, 0, 'R'}, |
f7b839f7 DM |
226 | {"strip-all", no_argument, 0, 's'}, |
227 | {"strip-debug", no_argument, 0, 'S'}, | |
9135e5f8 | 228 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 229 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 230 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 231 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 232 | {"version", no_argument, 0, 'V'}, |
46050fe4 | 233 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
234 | }; |
235 | ||
46050fe4 | 236 | /* Options to handle if running as "objcopy". */ |
c0367ba5 | 237 | |
46050fe4 ILT |
238 | static struct option copy_options[] = |
239 | { | |
5ab41086 | 240 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, |
6c7ed084 ILT |
241 | {"adjust-start", required_argument, 0, OPTION_ADJUST_START}, |
242 | {"adjust-vma", required_argument, 0, OPTION_ADJUST_VMA}, | |
243 | {"adjust-section-vma", required_argument, 0, OPTION_ADJUST_SECTION_VMA}, | |
244 | {"adjust-warnings", no_argument, 0, OPTION_ADJUST_WARNINGS}, | |
f7b839f7 | 245 | {"byte", required_argument, 0, 'b'}, |
8d2e72a1 | 246 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, |
f5818d79 | 247 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, |
46050fe4 ILT |
248 | {"discard-all", no_argument, 0, 'x'}, |
249 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 250 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
596d99ba | 251 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, |
46050fe4 | 252 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 253 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 DM |
254 | {"input-target", required_argument, 0, 'I'}, |
255 | {"interleave", required_argument, 0, 'i'}, | |
9135e5f8 | 256 | {"keep-symbol", required_argument, 0, 'K'}, |
6c7ed084 | 257 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_ADJUST_WARNINGS}, |
46050fe4 | 258 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 259 | {"output-target", required_argument, 0, 'O'}, |
87a15686 | 260 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, |
8d2e72a1 | 261 | {"preserve-dates", no_argument, 0, 'p'}, |
246b7c9b | 262 | {"localize-symbol", required_argument, 0, 'L'}, |
8d2e72a1 | 263 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
6c7ed084 | 264 | {"remove-section", required_argument, 0, 'R'}, |
5ab41086 | 265 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
6c7ed084 | 266 | {"set-start", required_argument, 0, OPTION_SET_START}, |
f7b839f7 DM |
267 | {"strip-all", no_argument, 0, 'S'}, |
268 | {"strip-debug", no_argument, 0, 'g'}, | |
9135e5f8 | 269 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 270 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 271 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 272 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 273 | {"version", no_argument, 0, 'V'}, |
8d2e72a1 RH |
274 | {"weaken", no_argument, 0, OPTION_WEAKEN}, |
275 | {"weaken-symbol", required_argument, 0, 'W'}, | |
46050fe4 | 276 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
277 | }; |
278 | ||
279 | /* IMPORTS */ | |
46050fe4 | 280 | extern char *program_name; |
46050fe4 ILT |
281 | |
282 | /* This flag distinguishes between strip and objcopy: | |
283 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
284 | -1 means if we should use argv[0] to decide. */ | |
285 | extern int is_strip; | |
c0367ba5 ILT |
286 | |
287 | ||
46050fe4 | 288 | static void |
5ab41086 | 289 | copy_usage (stream, exit_status) |
c0367ba5 | 290 | FILE *stream; |
5ab41086 | 291 | int exit_status; |
c0367ba5 | 292 | { |
46050fe4 | 293 | fprintf (stream, "\ |
8d2e72a1 | 294 | Usage: %s [-vVSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\ |
6c7ed084 | 295 | [-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\ |
46050fe4 | 296 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 | 297 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
f5818d79 | 298 | [--discard-locals] [--debugging] [--remove-section=section]\n", |
5ab41086 ILT |
299 | program_name); |
300 | fprintf (stream, "\ | |
8d2e72a1 | 301 | [--gap-fill=val] [--pad-to=address] [--preserve-dates]\n\ |
f5818d79 | 302 | [--set-start=val] [--adjust-start=incr]\n\ |
9135e5f8 ILT |
303 | [--adjust-vma=incr] [--adjust-section-vma=section{=,+,-}val]\n\ |
304 | [--adjust-warnings] [--no-adjust-warnings]\n\ | |
305 | [--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\ | |
306 | [--keep-symbol symbol] [-K symbol] [--strip-symbol symbol] [-N symbol]\n\ | |
246b7c9b | 307 | [--localize-symbol symbol] [-L symbol] [--weaken-symbol symbol]\n\ |
8d2e72a1 RH |
308 | [-W symbol] [--change-leading-char] [--remove-leading-char] [--weaken]\n\ |
309 | [--verbose] [--version] [--help] in-file [out-file]\n"); | |
be1d162b | 310 | list_supported_targets (program_name, stream); |
8d2e72a1 | 311 | if (exit_status == 0) |
eaa147a6 | 312 | fprintf (stream, "Report bugs to bug-gnu-utils@gnu.org\n"); |
5ab41086 | 313 | exit (exit_status); |
c0367ba5 ILT |
314 | } |
315 | ||
46050fe4 | 316 | static void |
5ab41086 | 317 | strip_usage (stream, exit_status) |
c0367ba5 | 318 | FILE *stream; |
5ab41086 | 319 | int exit_status; |
c0367ba5 | 320 | { |
46050fe4 | 321 | fprintf (stream, "\ |
8d2e72a1 | 322 | Usage: %s [-vVsSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-R section]\n\ |
46050fe4 | 323 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 ILT |
324 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
325 | [--discard-locals] [--keep-symbol symbol] [-K symbol]\n\ | |
326 | [--strip-symbol symbol] [-N symbol] [--remove-section=section]\n\ | |
8d2e72a1 | 327 | [-o file] [--preserve-dates] [--verbose] [--version] [--help] file...\n", |
46050fe4 | 328 | program_name); |
be1d162b | 329 | list_supported_targets (program_name, stream); |
8d2e72a1 | 330 | if (exit_status == 0) |
eaa147a6 | 331 | fprintf (stream, "Report bugs to bug-gnu-utils@gnu.org\n"); |
5ab41086 | 332 | exit (exit_status); |
c0367ba5 ILT |
333 | } |
334 | ||
5ab41086 ILT |
335 | /* Parse section flags into a flagword, with a fatal error if the |
336 | string can't be parsed. */ | |
337 | ||
338 | static flagword | |
339 | parse_flags (s) | |
340 | const char *s; | |
341 | { | |
342 | flagword ret; | |
343 | const char *snext; | |
344 | int len; | |
345 | ||
346 | ret = SEC_NO_FLAGS; | |
347 | ||
348 | do | |
349 | { | |
350 | snext = strchr (s, ','); | |
351 | if (snext == NULL) | |
352 | len = strlen (s); | |
353 | else | |
354 | { | |
355 | len = snext - s; | |
356 | ++snext; | |
357 | } | |
358 | ||
ee1f0bd1 ILT |
359 | if (0) ; |
360 | #define PARSE_FLAG(fname,fval) \ | |
361 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
5ab41086 ILT |
362 | PARSE_FLAG ("alloc", SEC_ALLOC); |
363 | PARSE_FLAG ("load", SEC_LOAD); | |
364 | PARSE_FLAG ("readonly", SEC_READONLY); | |
365 | PARSE_FLAG ("code", SEC_CODE); | |
366 | PARSE_FLAG ("data", SEC_DATA); | |
367 | PARSE_FLAG ("rom", SEC_ROM); | |
ee1f0bd1 | 368 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
5ab41086 | 369 | #undef PARSE_FLAG |
ee1f0bd1 ILT |
370 | else |
371 | { | |
372 | char *copy; | |
373 | ||
374 | copy = xmalloc (len + 1); | |
375 | strncpy (copy, s, len); | |
376 | copy[len] = '\0'; | |
377 | fprintf (stderr, "%s: unrecognized section flag `%s'\n", | |
378 | program_name, copy); | |
379 | fprintf (stderr, | |
380 | "%s: supported flags: alloc, load, readonly, code, data, rom, contents\n", | |
381 | program_name); | |
382 | exit (1); | |
383 | } | |
5ab41086 ILT |
384 | |
385 | s = snext; | |
386 | } | |
387 | while (s != NULL); | |
388 | ||
389 | return ret; | |
390 | } | |
391 | ||
5ab41086 ILT |
392 | /* Find and optionally add an entry in the adjust_sections list. */ |
393 | ||
394 | static struct section_list * | |
395 | find_section_list (name, add) | |
396 | const char *name; | |
397 | boolean add; | |
398 | { | |
399 | register struct section_list *p; | |
400 | ||
401 | for (p = adjust_sections; p != NULL; p = p->next) | |
402 | if (strcmp (p->name, name) == 0) | |
403 | return p; | |
404 | ||
405 | if (! add) | |
406 | return NULL; | |
407 | ||
408 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
409 | p->name = name; | |
410 | p->used = false; | |
411 | p->remove = false; | |
412 | p->adjust = ignore_vma; | |
413 | p->val = 0; | |
414 | p->set_flags = false; | |
415 | p->flags = 0; | |
416 | ||
417 | p->next = adjust_sections; | |
418 | adjust_sections = p; | |
419 | ||
420 | return p; | |
421 | } | |
422 | ||
9135e5f8 ILT |
423 | /* Add a symbol to strip_specific_list. */ |
424 | ||
4af19c61 | 425 | static void |
8d2e72a1 | 426 | add_specific_symbol (name, list) |
4af19c61 | 427 | const char *name; |
8d2e72a1 | 428 | struct symlist **list; |
4af19c61 KR |
429 | { |
430 | struct symlist *tmp_list; | |
431 | ||
432 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
433 | tmp_list->name = name; | |
8d2e72a1 RH |
434 | tmp_list->next = *list; |
435 | *list = tmp_list; | |
4af19c61 KR |
436 | } |
437 | ||
9135e5f8 ILT |
438 | /* See whether a symbol should be stripped or kept based on |
439 | strip_specific_list and keep_symbols. */ | |
440 | ||
5ab41086 | 441 | static boolean |
8d2e72a1 | 442 | is_specified_symbol (name, list) |
4af19c61 | 443 | const char *name; |
8d2e72a1 | 444 | struct symlist *list; |
4af19c61 KR |
445 | { |
446 | struct symlist *tmp_list; | |
447 | ||
8d2e72a1 | 448 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) |
4af19c61 KR |
449 | { |
450 | if (strcmp (name, tmp_list->name) == 0) | |
8d2e72a1 | 451 | return true; |
4af19c61 | 452 | } |
8d2e72a1 | 453 | return false; |
5ab41086 ILT |
454 | } |
455 | ||
456 | /* See if a section is being removed. */ | |
457 | ||
458 | static boolean | |
459 | is_strip_section (abfd, sec) | |
460 | bfd *abfd; | |
461 | asection *sec; | |
462 | { | |
463 | struct section_list *p; | |
464 | ||
be1d162b ILT |
465 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 |
466 | && (strip_symbols == strip_debug | |
9135e5f8 | 467 | || strip_symbols == strip_unneeded |
be1d162b | 468 | || strip_symbols == strip_all |
f5818d79 ILT |
469 | || discard_locals == locals_all |
470 | || convert_debugging)) | |
be1d162b ILT |
471 | return true; |
472 | ||
5ab41086 ILT |
473 | if (! sections_removed) |
474 | return false; | |
475 | p = find_section_list (bfd_get_section_name (abfd, sec), false); | |
476 | return p != NULL && p->remove ? true : false; | |
4af19c61 KR |
477 | } |
478 | ||
46050fe4 | 479 | /* Choose which symbol entries to copy; put the result in OSYMS. |
c0367ba5 | 480 | We don't copy in place, because that confuses the relocs. |
46050fe4 ILT |
481 | Return the number of symbols to print. */ |
482 | ||
c0367ba5 | 483 | static unsigned int |
8d2e72a1 | 484 | filter_symbols (abfd, obfd, osyms, isyms, symcount) |
c0367ba5 | 485 | bfd *abfd; |
8d2e72a1 | 486 | bfd *obfd; |
c0367ba5 | 487 | asymbol **osyms, **isyms; |
ae5d2ff5 | 488 | long symcount; |
c0367ba5 ILT |
489 | { |
490 | register asymbol **from = isyms, **to = osyms; | |
ae5d2ff5 | 491 | long src_count = 0, dst_count = 0; |
c0367ba5 | 492 | |
46050fe4 ILT |
493 | for (; src_count < symcount; src_count++) |
494 | { | |
495 | asymbol *sym = from[src_count]; | |
496 | flagword flags = sym->flags; | |
8d2e72a1 | 497 | const char *name = bfd_asymbol_name (sym); |
46050fe4 | 498 | int keep; |
c0367ba5 | 499 | |
8d2e72a1 RH |
500 | if (change_leading_char |
501 | && (bfd_get_symbol_leading_char (abfd) | |
502 | != bfd_get_symbol_leading_char (obfd)) | |
503 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
504 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
505 | { | |
506 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
507 | name = bfd_asymbol_name (sym) = name + 1; | |
508 | else | |
509 | { | |
510 | char *n; | |
511 | ||
512 | n = xmalloc (strlen (name) + 2); | |
513 | n[0] = bfd_get_symbol_leading_char (obfd); | |
514 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
515 | strcpy (n + 1, name); | |
516 | else | |
517 | strcpy (n + 1, name + 1); | |
518 | name = bfd_asymbol_name (sym) = n; | |
519 | } | |
520 | } | |
521 | ||
522 | if (remove_leading_char | |
523 | && ((flags & BSF_GLOBAL) != 0 | |
524 | || (flags & BSF_WEAK) != 0 | |
525 | || bfd_is_und_section (bfd_get_section (sym)) | |
526 | || bfd_is_com_section (bfd_get_section (sym))) | |
527 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
528 | name = bfd_asymbol_name (sym) = name + 1; | |
529 | ||
9135e5f8 | 530 | if ((flags & BSF_KEEP) != 0) /* Used in relocation. */ |
46050fe4 | 531 | keep = 1; |
9135e5f8 | 532 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
8d2e72a1 | 533 | || (flags & BSF_WEAK) != 0 |
9135e5f8 ILT |
534 | || bfd_is_und_section (bfd_get_section (sym)) |
535 | || bfd_is_com_section (bfd_get_section (sym))) | |
536 | keep = strip_symbols != strip_unneeded; | |
46050fe4 | 537 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ |
9135e5f8 | 538 | keep = (strip_symbols != strip_debug |
f5818d79 ILT |
539 | && strip_symbols != strip_unneeded |
540 | && ! convert_debugging); | |
46050fe4 | 541 | else /* Local symbol. */ |
9135e5f8 ILT |
542 | keep = (strip_symbols != strip_unneeded |
543 | && (discard_locals != locals_all | |
544 | && (discard_locals != locals_start_L | |
545 | || ! bfd_is_local_label (abfd, sym)))); | |
4af19c61 | 546 | |
8d2e72a1 | 547 | if (keep && is_specified_symbol (name, strip_specific_list)) |
4af19c61 | 548 | keep = 0; |
8d2e72a1 RH |
549 | if (!keep && is_specified_symbol (name, keep_specific_list)) |
550 | keep = 1; | |
5ab41086 ILT |
551 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) |
552 | keep = 0; | |
4af19c61 | 553 | |
8d2e72a1 RH |
554 | if (keep && (flags & BSF_GLOBAL) != 0 |
555 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
556 | { | |
557 | sym->flags &=~ BSF_GLOBAL; | |
558 | sym->flags |= BSF_WEAK; | |
559 | } | |
560 | if (keep && (flags & (BSF_GLOBAL | BSF_WEAK)) | |
246b7c9b | 561 | && is_specified_symbol (name, localize_specific_list)) |
8d2e72a1 RH |
562 | { |
563 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
564 | sym->flags |= BSF_LOCAL; | |
565 | } | |
566 | ||
46050fe4 ILT |
567 | if (keep) |
568 | to[dst_count++] = sym; | |
c0367ba5 | 569 | } |
c0367ba5 | 570 | |
8d2e72a1 RH |
571 | to[dst_count] = NULL; |
572 | ||
c0367ba5 ILT |
573 | return dst_count; |
574 | } | |
575 | ||
f7b839f7 DM |
576 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
577 | Adjust *SIZE. */ | |
578 | ||
8d2e72a1 | 579 | static void |
f7b839f7 | 580 | filter_bytes (memhunk, size) |
5d2f7e30 | 581 | char *memhunk; |
f7b839f7 DM |
582 | bfd_size_type *size; |
583 | { | |
584 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
585 | ||
586 | for (; from < end; from += interleave) | |
587 | *to++ = *from; | |
588 | *size /= interleave; | |
589 | } | |
590 | ||
46050fe4 ILT |
591 | /* Copy object file IBFD onto OBFD. */ |
592 | ||
c0367ba5 | 593 | static void |
46050fe4 ILT |
594 | copy_object (ibfd, obfd) |
595 | bfd *ibfd; | |
596 | bfd *obfd; | |
c0367ba5 | 597 | { |
6c7ed084 | 598 | bfd_vma start; |
ae5d2ff5 | 599 | long symcount; |
596d99ba ILT |
600 | asection **osections = NULL; |
601 | bfd_size_type *gaps = NULL; | |
602 | bfd_size_type max_gap = 0; | |
c0367ba5 | 603 | |
46050fe4 ILT |
604 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
605 | { | |
606 | nonfatal (bfd_get_filename (obfd)); | |
607 | } | |
c0367ba5 | 608 | |
46050fe4 ILT |
609 | if (verbose) |
610 | printf ("copy from %s(%s) to %s(%s)\n", | |
611 | bfd_get_filename(ibfd), bfd_get_target(ibfd), | |
612 | bfd_get_filename(obfd), bfd_get_target(obfd)); | |
c0367ba5 | 613 | |
6c7ed084 ILT |
614 | if (set_start_set) |
615 | start = set_start; | |
616 | else | |
a6afc090 | 617 | start = bfd_get_start_address (ibfd); |
6c7ed084 ILT |
618 | start += adjust_start; |
619 | ||
620 | if (!bfd_set_start_address (obfd, start) | |
46050fe4 ILT |
621 | || !bfd_set_file_flags (obfd, |
622 | (bfd_get_file_flags (ibfd) | |
623 | & bfd_applicable_file_flags (obfd)))) | |
624 | { | |
625 | nonfatal (bfd_get_filename (ibfd)); | |
626 | } | |
c0367ba5 | 627 | |
46050fe4 ILT |
628 | /* Copy architecture of input file to output file */ |
629 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
630 | bfd_get_mach (ibfd))) | |
631 | { | |
8d2e72a1 RH |
632 | fprintf (stderr, |
633 | "Warning: Output file cannot represent architecture %s\n", | |
46050fe4 ILT |
634 | bfd_printable_arch_mach (bfd_get_arch (ibfd), |
635 | bfd_get_mach (ibfd))); | |
636 | } | |
637 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
638 | { | |
639 | nonfatal (bfd_get_filename(ibfd)); | |
640 | } | |
c0367ba5 | 641 | |
46050fe4 ILT |
642 | if (isympp) |
643 | free (isympp); | |
644 | if (osympp != isympp) | |
645 | free (osympp); | |
c0367ba5 | 646 | |
77ccab3c JL |
647 | /* bfd mandates that all output sections be created and sizes set before |
648 | any output is done. Thus, we traverse all sections multiple times. */ | |
649 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
650 | ||
5ab41086 ILT |
651 | if (add_sections != NULL) |
652 | { | |
653 | struct section_add *padd; | |
654 | struct section_list *pset; | |
655 | ||
656 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
657 | { | |
658 | padd->section = bfd_make_section (obfd, padd->name); | |
659 | if (padd->section == NULL) | |
660 | { | |
661 | fprintf (stderr, "%s: can't create section `%s': %s\n", | |
662 | program_name, padd->name, | |
663 | bfd_errmsg (bfd_get_error ())); | |
664 | status = 1; | |
665 | return; | |
666 | } | |
667 | else | |
668 | { | |
669 | flagword flags; | |
670 | ||
671 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) | |
672 | nonfatal (bfd_get_filename (obfd)); | |
673 | ||
674 | pset = find_section_list (padd->name, false); | |
675 | if (pset != NULL) | |
676 | pset->used = true; | |
677 | ||
678 | if (pset != NULL && pset->set_flags) | |
679 | flags = pset->flags | SEC_HAS_CONTENTS; | |
680 | else | |
681 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
682 | if (! bfd_set_section_flags (obfd, padd->section, flags)) | |
683 | nonfatal (bfd_get_filename (obfd)); | |
684 | ||
685 | if (pset != NULL | |
686 | && (pset->adjust == adjust_vma | |
687 | || pset->adjust == set_vma)) | |
688 | { | |
689 | if (! bfd_set_section_vma (obfd, padd->section, pset->val)) | |
690 | nonfatal (bfd_get_filename (obfd)); | |
691 | } | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
87a15686 | 696 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
697 | { |
698 | asection **set; | |
699 | unsigned int c, i; | |
700 | ||
87a15686 ILT |
701 | /* We must fill in gaps between the sections and/or we must pad |
702 | the last section to a specified address. We do this by | |
596d99ba | 703 | grabbing a list of the sections, sorting them by VMA, and |
87a15686 ILT |
704 | increasing the section sizes as required to fill the gaps. |
705 | We write out the gap contents below. */ | |
596d99ba ILT |
706 | |
707 | c = bfd_count_sections (obfd); | |
708 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
709 | set = osections; | |
710 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
711 | ||
712 | qsort (osections, c, sizeof (asection *), compare_section_vma); | |
713 | ||
714 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
87a15686 ILT |
715 | memset (gaps, 0, c * sizeof (bfd_size_type)); |
716 | ||
717 | if (gap_fill_set) | |
718 | { | |
719 | for (i = 0; i < c - 1; i++) | |
720 | { | |
721 | flagword flags; | |
722 | bfd_size_type size; | |
723 | bfd_vma gap_start, gap_stop; | |
724 | ||
725 | flags = bfd_get_section_flags (obfd, osections[i]); | |
726 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
727 | || (flags & SEC_LOAD) == 0) | |
728 | continue; | |
729 | ||
730 | size = bfd_section_size (obfd, osections[i]); | |
731 | gap_start = bfd_section_vma (obfd, osections[i]) + size; | |
732 | gap_stop = bfd_section_vma (obfd, osections[i + 1]); | |
733 | if (gap_start < gap_stop) | |
734 | { | |
735 | if (! bfd_set_section_size (obfd, osections[i], | |
736 | size + (gap_stop - gap_start))) | |
737 | { | |
738 | fprintf (stderr, "%s: Can't fill gap after %s: %s\n", | |
739 | program_name, | |
740 | bfd_get_section_name (obfd, osections[i]), | |
741 | bfd_errmsg (bfd_get_error())); | |
742 | status = 1; | |
743 | break; | |
744 | } | |
745 | gaps[i] = gap_stop - gap_start; | |
746 | if (max_gap < gap_stop - gap_start) | |
747 | max_gap = gap_stop - gap_start; | |
748 | } | |
749 | } | |
750 | } | |
751 | ||
752 | if (pad_to_set) | |
596d99ba | 753 | { |
87a15686 | 754 | bfd_vma vma; |
596d99ba | 755 | bfd_size_type size; |
87a15686 ILT |
756 | |
757 | vma = bfd_section_vma (obfd, osections[c - 1]); | |
758 | size = bfd_section_size (obfd, osections[c - 1]); | |
759 | if (vma + size < pad_to) | |
596d99ba | 760 | { |
87a15686 ILT |
761 | if (! bfd_set_section_size (obfd, osections[c - 1], |
762 | pad_to - vma)) | |
596d99ba | 763 | { |
87a15686 | 764 | fprintf (stderr, "%s: Can't add padding to %s: %s\n", |
596d99ba | 765 | program_name, |
87a15686 ILT |
766 | bfd_get_section_name (obfd, osections[c - 1]), |
767 | bfd_errmsg (bfd_get_error ())); | |
596d99ba | 768 | status = 1; |
596d99ba | 769 | } |
87a15686 ILT |
770 | else |
771 | { | |
772 | gaps[c - 1] = pad_to - (vma + size); | |
773 | if (max_gap < pad_to - (vma + size)) | |
774 | max_gap = pad_to - (vma + size); | |
775 | } | |
596d99ba | 776 | } |
87a15686 | 777 | } |
596d99ba ILT |
778 | } |
779 | ||
77ccab3c JL |
780 | /* Symbol filtering must happen after the output sections have |
781 | been created, but before their contents are set. */ | |
9135e5f8 | 782 | if (strip_symbols == strip_all) |
46050fe4 ILT |
783 | { |
784 | osympp = isympp = NULL; | |
785 | symcount = 0; | |
c0367ba5 | 786 | } |
46050fe4 ILT |
787 | else |
788 | { | |
ae5d2ff5 | 789 | long symsize; |
f5818d79 | 790 | PTR dhandle = NULL; |
ae5d2ff5 ILT |
791 | |
792 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
793 | if (symsize < 0) | |
794 | { | |
795 | nonfatal (bfd_get_filename (ibfd)); | |
796 | } | |
797 | ||
798 | osympp = isympp = (asymbol **) xmalloc (symsize); | |
46050fe4 | 799 | symcount = bfd_canonicalize_symtab (ibfd, isympp); |
ae5d2ff5 ILT |
800 | if (symcount < 0) |
801 | { | |
802 | nonfatal (bfd_get_filename (ibfd)); | |
803 | } | |
46050fe4 | 804 | |
f5818d79 ILT |
805 | if (convert_debugging) |
806 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
807 | ||
4af19c61 | 808 | if (strip_symbols == strip_debug |
9135e5f8 | 809 | || strip_symbols == strip_unneeded |
4af19c61 | 810 | || discard_locals != locals_undef |
9135e5f8 | 811 | || strip_specific_list != NULL |
8d2e72a1 | 812 | || keep_specific_list != NULL |
246b7c9b | 813 | || localize_specific_list != NULL |
8d2e72a1 | 814 | || weaken_specific_list != NULL |
f5818d79 | 815 | || sections_removed |
8d2e72a1 RH |
816 | || convert_debugging |
817 | || change_leading_char | |
818 | || remove_leading_char | |
819 | || weaken) | |
c0367ba5 | 820 | { |
77ccab3c JL |
821 | /* Mark symbols used in output relocations so that they |
822 | are kept, even if they are local labels or static symbols. | |
823 | ||
824 | Note we iterate over the input sections examining their | |
825 | relocations since the relocations for the output sections | |
826 | haven't been set yet. mark_symbols_used_in_relocations will | |
827 | ignore input sections which have no corresponding output | |
828 | section. */ | |
829 | bfd_map_over_sections (ibfd, | |
830 | mark_symbols_used_in_relocations, | |
6c7ed084 | 831 | (PTR)isympp); |
8d2e72a1 RH |
832 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); |
833 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
c0367ba5 | 834 | } |
f5818d79 ILT |
835 | |
836 | if (convert_debugging && dhandle != NULL) | |
837 | { | |
838 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
839 | { | |
840 | status = 1; | |
841 | return; | |
842 | } | |
843 | } | |
46050fe4 ILT |
844 | } |
845 | ||
846 | bfd_set_symtab (obfd, osympp, symcount); | |
c0367ba5 | 847 | |
77ccab3c | 848 | /* This has to happen after the symbol table has been set. */ |
f7b839f7 | 849 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); |
6f9077cd | 850 | |
5ab41086 ILT |
851 | if (add_sections != NULL) |
852 | { | |
853 | struct section_add *padd; | |
854 | ||
855 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
856 | { | |
857 | if (! bfd_set_section_contents (obfd, padd->section, | |
858 | (PTR) padd->contents, | |
859 | (file_ptr) 0, | |
860 | (bfd_size_type) padd->size)) | |
861 | nonfatal (bfd_get_filename (obfd)); | |
862 | } | |
863 | } | |
864 | ||
87a15686 | 865 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
866 | { |
867 | bfd_byte *buf; | |
868 | int c, i; | |
869 | ||
870 | /* Fill in the gaps. */ | |
871 | ||
872 | if (max_gap > 8192) | |
873 | max_gap = 8192; | |
874 | buf = (bfd_byte *) xmalloc (max_gap); | |
a445cee7 | 875 | memset (buf, gap_fill, (size_t) max_gap); |
596d99ba ILT |
876 | |
877 | c = bfd_count_sections (obfd); | |
87a15686 | 878 | for (i = 0; i < c; i++) |
596d99ba ILT |
879 | { |
880 | if (gaps[i] != 0) | |
881 | { | |
882 | bfd_size_type left; | |
883 | file_ptr off; | |
884 | ||
885 | left = gaps[i]; | |
886 | off = bfd_section_size (obfd, osections[i]) - left; | |
887 | while (left > 0) | |
888 | { | |
889 | bfd_size_type now; | |
890 | ||
891 | if (left > 8192) | |
892 | now = 8192; | |
893 | else | |
894 | now = left; | |
895 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
896 | off, now)) | |
897 | { | |
898 | nonfatal (bfd_get_filename (obfd)); | |
596d99ba ILT |
899 | } |
900 | left -= now; | |
901 | off += now; | |
902 | } | |
903 | } | |
904 | } | |
905 | } | |
906 | ||
6f9077cd JM |
907 | /* Allow the BFD backend to copy any private data it understands |
908 | from the input BFD to the output BFD. This is done last to | |
909 | permit the routine to look at the filtered symbol table, which is | |
910 | important for the ECOFF code at least. */ | |
911 | if (!bfd_copy_private_bfd_data (ibfd, obfd)) | |
912 | { | |
913 | fprintf (stderr, "%s: %s: error copying private BFD data: %s\n", | |
914 | program_name, bfd_get_filename (obfd), | |
915 | bfd_errmsg (bfd_get_error ())); | |
916 | status = 1; | |
917 | return; | |
918 | } | |
c0367ba5 | 919 | } |
46050fe4 | 920 | |
46050fe4 ILT |
921 | /* Read each archive element in turn from IBFD, copy the |
922 | contents to temp file, and keep the temp file handle. */ | |
923 | ||
924 | static void | |
925 | copy_archive (ibfd, obfd, output_target) | |
926 | bfd *ibfd; | |
927 | bfd *obfd; | |
8d2e72a1 | 928 | const char *output_target; |
c0367ba5 | 929 | { |
87a15686 ILT |
930 | struct name_list |
931 | { | |
932 | struct name_list *next; | |
933 | char *name; | |
4c8d7e6b | 934 | bfd *obfd; |
87a15686 | 935 | } *list, *l; |
46050fe4 ILT |
936 | bfd **ptr = &obfd->archive_head; |
937 | bfd *this_element; | |
90f6517d | 938 | char *dir = make_tempname (bfd_get_filename (obfd)); |
46050fe4 ILT |
939 | |
940 | /* Make a temp directory to hold the contents. */ | |
eaa147a6 ILT |
941 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
942 | if (mkdir (dir) != 0) | |
943 | #else | |
9135e5f8 | 944 | if (mkdir (dir, 0700) != 0) |
eaa147a6 | 945 | #endif |
9135e5f8 ILT |
946 | { |
947 | fatal ("cannot mkdir %s for archive copying (error: %s)", | |
948 | dir, strerror (errno)); | |
949 | } | |
46050fe4 ILT |
950 | obfd->has_armap = ibfd->has_armap; |
951 | ||
87a15686 ILT |
952 | list = NULL; |
953 | ||
46050fe4 | 954 | this_element = bfd_openr_next_archived_file (ibfd, NULL); |
46050fe4 ILT |
955 | while (this_element != (bfd *) NULL) |
956 | { | |
957 | /* Create an output file for this member. */ | |
8d2e72a1 RH |
958 | char *output_name = concat (dir, "/", bfd_get_filename(this_element), |
959 | (char *) NULL); | |
46050fe4 | 960 | bfd *output_bfd = bfd_openw (output_name, output_target); |
87a15686 ILT |
961 | bfd *last_element; |
962 | ||
963 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
964 | l->name = output_name; | |
965 | l->next = list; | |
966 | list = l; | |
46050fe4 ILT |
967 | |
968 | if (output_bfd == (bfd *) NULL) | |
969 | { | |
970 | nonfatal (output_name); | |
c0367ba5 | 971 | } |
46050fe4 ILT |
972 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
973 | { | |
974 | nonfatal (bfd_get_filename (obfd)); | |
c0367ba5 ILT |
975 | } |
976 | ||
46050fe4 ILT |
977 | if (bfd_check_format (this_element, bfd_object) == true) |
978 | { | |
979 | copy_object (this_element, output_bfd); | |
980 | } | |
c0367ba5 | 981 | |
46050fe4 | 982 | bfd_close (output_bfd); |
87a15686 ILT |
983 | |
984 | /* Open the newly output file and attach to our list. */ | |
46050fe4 | 985 | output_bfd = bfd_openr (output_name, output_target); |
c0367ba5 | 986 | |
4c8d7e6b ILT |
987 | l->obfd = output_bfd; |
988 | ||
46050fe4 ILT |
989 | *ptr = output_bfd; |
990 | ptr = &output_bfd->next; | |
87a15686 ILT |
991 | |
992 | last_element = this_element; | |
993 | ||
994 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
995 | ||
996 | bfd_close (last_element); | |
c0367ba5 | 997 | } |
46050fe4 | 998 | *ptr = (bfd *) NULL; |
c0367ba5 | 999 | |
46050fe4 ILT |
1000 | if (!bfd_close (obfd)) |
1001 | { | |
1002 | nonfatal (bfd_get_filename (obfd)); | |
c0367ba5 | 1003 | } |
c0367ba5 | 1004 | |
46050fe4 ILT |
1005 | if (!bfd_close (ibfd)) |
1006 | { | |
1007 | nonfatal (bfd_get_filename (ibfd)); | |
1008 | } | |
4c8d7e6b ILT |
1009 | |
1010 | /* Delete all the files that we opened. */ | |
1011 | for (l = list; l != NULL; l = l->next) | |
1012 | { | |
1013 | bfd_close (l->obfd); | |
1014 | unlink (l->name); | |
1015 | } | |
1016 | rmdir (dir); | |
c0367ba5 ILT |
1017 | } |
1018 | ||
46050fe4 ILT |
1019 | /* The top-level control. */ |
1020 | ||
1021 | static void | |
1022 | copy_file (input_filename, output_filename, input_target, output_target) | |
8d2e72a1 RH |
1023 | const char *input_filename; |
1024 | const char *output_filename; | |
1025 | const char *input_target; | |
1026 | const char *output_target; | |
c0367ba5 | 1027 | { |
46050fe4 | 1028 | bfd *ibfd; |
cef35d48 | 1029 | char **matching; |
c0367ba5 ILT |
1030 | |
1031 | /* To allow us to do "strip *" without dying on the first | |
1032 | non-object file, failures are nonfatal. */ | |
1033 | ||
46050fe4 | 1034 | ibfd = bfd_openr (input_filename, input_target); |
c0367ba5 ILT |
1035 | if (ibfd == NULL) |
1036 | { | |
46050fe4 | 1037 | nonfatal (input_filename); |
c0367ba5 ILT |
1038 | } |
1039 | ||
cef35d48 DM |
1040 | if (bfd_check_format (ibfd, bfd_archive)) |
1041 | { | |
6c7ed084 ILT |
1042 | bfd *obfd; |
1043 | ||
1044 | /* bfd_get_target does not return the correct value until | |
1045 | bfd_check_format succeeds. */ | |
1046 | if (output_target == NULL) | |
1047 | output_target = bfd_get_target (ibfd); | |
1048 | ||
1049 | obfd = bfd_openw (output_filename, output_target); | |
cef35d48 DM |
1050 | if (obfd == NULL) |
1051 | { | |
1052 | nonfatal (output_filename); | |
1053 | } | |
1054 | copy_archive (ibfd, obfd, output_target); | |
1055 | } | |
1056 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
46050fe4 | 1057 | { |
6c7ed084 ILT |
1058 | bfd *obfd; |
1059 | ||
1060 | /* bfd_get_target does not return the correct value until | |
1061 | bfd_check_format succeeds. */ | |
1062 | if (output_target == NULL) | |
1063 | output_target = bfd_get_target (ibfd); | |
1064 | ||
1065 | obfd = bfd_openw (output_filename, output_target); | |
46050fe4 ILT |
1066 | if (obfd == NULL) |
1067 | { | |
1068 | nonfatal (output_filename); | |
1069 | } | |
c0367ba5 | 1070 | |
46050fe4 | 1071 | copy_object (ibfd, obfd); |
c0367ba5 | 1072 | |
46050fe4 ILT |
1073 | if (!bfd_close (obfd)) |
1074 | { | |
1075 | nonfatal (output_filename); | |
1076 | } | |
1077 | ||
1078 | if (!bfd_close (ibfd)) | |
1079 | { | |
1080 | nonfatal (input_filename); | |
1081 | } | |
1082 | } | |
cef35d48 | 1083 | else |
46050fe4 | 1084 | { |
cef35d48 | 1085 | bfd_nonfatal (input_filename); |
c9563567 | 1086 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
46050fe4 | 1087 | { |
cef35d48 DM |
1088 | list_matching_formats (matching); |
1089 | free (matching); | |
46050fe4 | 1090 | } |
cef35d48 | 1091 | status = 1; |
46050fe4 ILT |
1092 | } |
1093 | } | |
1094 | ||
1095 | /* Create a section in OBFD with the same name and attributes | |
1096 | as ISECTION in IBFD. */ | |
c0367ba5 | 1097 | |
c0367ba5 | 1098 | static void |
6c7ed084 | 1099 | setup_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1100 | bfd *ibfd; |
1101 | sec_ptr isection; | |
6c7ed084 | 1102 | PTR obfdarg; |
c0367ba5 | 1103 | { |
6c7ed084 ILT |
1104 | bfd *obfd = (bfd *) obfdarg; |
1105 | struct section_list *p; | |
46050fe4 | 1106 | sec_ptr osection; |
6c7ed084 | 1107 | bfd_vma vma; |
f5818d79 | 1108 | bfd_vma lma; |
5ab41086 | 1109 | flagword flags; |
46050fe4 ILT |
1110 | char *err; |
1111 | ||
1112 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
1113 | && (strip_symbols == strip_debug | |
9135e5f8 | 1114 | || strip_symbols == strip_unneeded |
46050fe4 | 1115 | || strip_symbols == strip_all |
f5818d79 ILT |
1116 | || discard_locals == locals_all |
1117 | || convert_debugging)) | |
46050fe4 ILT |
1118 | return; |
1119 | ||
5ab41086 ILT |
1120 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1121 | if (p != NULL) | |
1122 | p->used = true; | |
1123 | ||
1124 | if (p != NULL && p->remove) | |
1125 | return; | |
6c7ed084 | 1126 | |
77ccab3c | 1127 | osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection)); |
46050fe4 ILT |
1128 | if (osection == NULL) |
1129 | { | |
77ccab3c JL |
1130 | err = "making"; |
1131 | goto loser; | |
c0367ba5 ILT |
1132 | } |
1133 | ||
46050fe4 ILT |
1134 | if (!bfd_set_section_size (obfd, |
1135 | osection, | |
1136 | bfd_section_size (ibfd, isection))) | |
1137 | { | |
1138 | err = "size"; | |
1139 | goto loser; | |
c0367ba5 ILT |
1140 | } |
1141 | ||
6c7ed084 | 1142 | vma = bfd_section_vma (ibfd, isection); |
5ab41086 ILT |
1143 | if (p != NULL && p->adjust == adjust_vma) |
1144 | vma += p->val; | |
1145 | else if (p != NULL && p->adjust == set_vma) | |
1146 | vma = p->val; | |
1147 | else | |
6c7ed084 | 1148 | vma += adjust_section_vma; |
6c7ed084 | 1149 | if (! bfd_set_section_vma (obfd, osection, vma)) |
46050fe4 ILT |
1150 | { |
1151 | err = "vma"; | |
1152 | goto loser; | |
1153 | } | |
c0367ba5 | 1154 | |
f5818d79 ILT |
1155 | lma = isection->lma; |
1156 | if (p != NULL && p->adjust == adjust_vma) | |
1157 | lma += p->val; | |
1158 | else if (p != NULL && p->adjust == set_vma) | |
1159 | lma = p->val; | |
1160 | else | |
1161 | lma += adjust_section_vma; | |
1162 | osection->lma = lma; | |
1163 | ||
46050fe4 ILT |
1164 | if (bfd_set_section_alignment (obfd, |
1165 | osection, | |
1166 | bfd_section_alignment (ibfd, isection)) | |
1167 | == false) | |
1168 | { | |
1169 | err = "alignment"; | |
1170 | goto loser; | |
1171 | } | |
c0367ba5 | 1172 | |
842eba66 | 1173 | flags = bfd_get_section_flags (ibfd, isection); |
5ab41086 | 1174 | if (p != NULL && p->set_flags) |
842eba66 | 1175 | flags = p->flags | (flags & SEC_HAS_CONTENTS); |
5ab41086 | 1176 | if (!bfd_set_section_flags (obfd, osection, flags)) |
46050fe4 ILT |
1177 | { |
1178 | err = "flags"; | |
1179 | goto loser; | |
c0367ba5 ILT |
1180 | } |
1181 | ||
c9563567 JL |
1182 | /* This used to be mangle_section; we do here to avoid using |
1183 | bfd_get_section_by_name since some formats allow multiple | |
1184 | sections with the same name. */ | |
1185 | isection->output_section = osection; | |
1186 | isection->output_offset = 0; | |
1187 | ||
77ccab3c JL |
1188 | /* Allow the BFD backend to copy any private data it understands |
1189 | from the input section to the output section. */ | |
1190 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1191 | { | |
1192 | err = "private data"; | |
1193 | goto loser; | |
1194 | } | |
1195 | ||
46050fe4 ILT |
1196 | /* All went well */ |
1197 | return; | |
c0367ba5 ILT |
1198 | |
1199 | loser: | |
46050fe4 ILT |
1200 | fprintf (stderr, "%s: %s: section `%s': error in %s: %s\n", |
1201 | program_name, | |
1202 | bfd_get_filename (ibfd), bfd_section_name (ibfd, isection), | |
c9563567 | 1203 | err, bfd_errmsg (bfd_get_error ())); |
46050fe4 ILT |
1204 | status = 1; |
1205 | } | |
1206 | ||
1207 | /* Copy the data of input section ISECTION of IBFD | |
1208 | to an output section with the same name in OBFD. | |
1209 | If stripping then don't copy any relocation info. */ | |
1210 | ||
c0367ba5 | 1211 | static void |
6c7ed084 | 1212 | copy_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1213 | bfd *ibfd; |
1214 | sec_ptr isection; | |
6c7ed084 | 1215 | PTR obfdarg; |
c0367ba5 | 1216 | { |
6c7ed084 ILT |
1217 | bfd *obfd = (bfd *) obfdarg; |
1218 | struct section_list *p; | |
46050fe4 | 1219 | arelent **relpp; |
ae5d2ff5 | 1220 | long relcount; |
46050fe4 ILT |
1221 | sec_ptr osection; |
1222 | bfd_size_type size; | |
1223 | ||
1224 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
1225 | && (strip_symbols == strip_debug | |
9135e5f8 | 1226 | || strip_symbols == strip_unneeded |
46050fe4 | 1227 | || strip_symbols == strip_all |
f5818d79 ILT |
1228 | || discard_locals == locals_all |
1229 | || convert_debugging)) | |
46050fe4 ILT |
1230 | { |
1231 | return; | |
1232 | } | |
c0367ba5 | 1233 | |
5ab41086 ILT |
1234 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1235 | ||
1236 | if (p != NULL && p->remove) | |
1237 | return; | |
6c7ed084 | 1238 | |
77ccab3c | 1239 | osection = isection->output_section; |
46050fe4 | 1240 | size = bfd_get_section_size_before_reloc (isection); |
c0367ba5 | 1241 | |
77ccab3c | 1242 | if (size == 0 || osection == 0) |
c0367ba5 ILT |
1243 | return; |
1244 | ||
ae5d2ff5 ILT |
1245 | if (strip_symbols == strip_all) |
1246 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
46050fe4 | 1247 | else |
c0367ba5 | 1248 | { |
ae5d2ff5 ILT |
1249 | long relsize; |
1250 | ||
1251 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1252 | if (relsize < 0) | |
1253 | { | |
1254 | nonfatal (bfd_get_filename (ibfd)); | |
1255 | } | |
1256 | if (relsize == 0) | |
1257 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1258 | else | |
1259 | { | |
1260 | relpp = (arelent **) xmalloc (relsize); | |
1261 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1262 | if (relcount < 0) | |
1263 | { | |
1264 | nonfatal (bfd_get_filename (ibfd)); | |
1265 | } | |
1266 | bfd_set_reloc (obfd, osection, relpp, relcount); | |
1267 | } | |
c0367ba5 ILT |
1268 | } |
1269 | ||
1270 | isection->_cooked_size = isection->_raw_size; | |
46050fe4 | 1271 | isection->reloc_done = true; |
c0367ba5 | 1272 | |
46050fe4 | 1273 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) |
c0367ba5 | 1274 | { |
46050fe4 | 1275 | PTR memhunk = (PTR) xmalloc ((unsigned) size); |
c0367ba5 | 1276 | |
46050fe4 ILT |
1277 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, |
1278 | size)) | |
1279 | { | |
1280 | nonfatal (bfd_get_filename (ibfd)); | |
1281 | } | |
c0367ba5 | 1282 | |
6f9077cd JM |
1283 | if (copy_byte >= 0) |
1284 | { | |
1285 | filter_bytes (memhunk, &size); | |
1286 | /* The section has gotten smaller. */ | |
1287 | if (!bfd_set_section_size (obfd, osection, size)) | |
1288 | nonfatal (bfd_get_filename (obfd)); | |
1289 | } | |
f7b839f7 | 1290 | |
46050fe4 ILT |
1291 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, |
1292 | size)) | |
1293 | { | |
1294 | nonfatal (bfd_get_filename (obfd)); | |
1295 | } | |
1296 | free (memhunk); | |
ee1f0bd1 | 1297 | } |
eaa147a6 | 1298 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) |
ee1f0bd1 ILT |
1299 | { |
1300 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1301 | ||
1302 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1303 | flag--they can just remove the section entirely and add it | |
1304 | back again. However, we do permit them to turn on the | |
1305 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1306 | contents should be zeroed out. */ | |
1307 | ||
1308 | memset (memhunk, 0, size); | |
1309 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1310 | size)) | |
1311 | nonfatal (bfd_get_filename (obfd)); | |
1312 | free (memhunk); | |
c0367ba5 | 1313 | } |
46050fe4 | 1314 | } |
c0367ba5 | 1315 | |
87a15686 ILT |
1316 | /* Get all the sections. This is used when --gap-fill or --pad-to is |
1317 | used. */ | |
596d99ba ILT |
1318 | |
1319 | static void | |
1320 | get_sections (obfd, osection, secppparg) | |
1321 | bfd *obfd; | |
1322 | asection *osection; | |
1323 | PTR secppparg; | |
1324 | { | |
1325 | asection ***secppp = (asection ***) secppparg; | |
1326 | ||
1327 | **secppp = osection; | |
1328 | ++(*secppp); | |
1329 | } | |
1330 | ||
1331 | /* Sort sections by VMA. This is called via qsort, and is used when | |
87a15686 ILT |
1332 | --gap-fill or --pad-to is used. We force non loadable or empty |
1333 | sections to the front, where they are easier to ignore. */ | |
596d99ba ILT |
1334 | |
1335 | static int | |
1336 | compare_section_vma (arg1, arg2) | |
1337 | const PTR arg1; | |
1338 | const PTR arg2; | |
1339 | { | |
1340 | const asection **sec1 = (const asection **) arg1; | |
1341 | const asection **sec2 = (const asection **) arg2; | |
87a15686 ILT |
1342 | flagword flags1, flags2; |
1343 | ||
1344 | /* Sort non loadable sections to the front. */ | |
1345 | flags1 = (*sec1)->flags; | |
1346 | flags2 = (*sec2)->flags; | |
1347 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1348 | || (flags1 & SEC_LOAD) == 0) | |
1349 | { | |
1350 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1351 | && (flags2 & SEC_LOAD) != 0) | |
1352 | return -1; | |
1353 | } | |
1354 | else | |
1355 | { | |
1356 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1357 | || (flags2 & SEC_LOAD) == 0) | |
1358 | return 1; | |
1359 | } | |
596d99ba | 1360 | |
87a15686 | 1361 | /* Sort sections by VMA. */ |
596d99ba ILT |
1362 | if ((*sec1)->vma > (*sec2)->vma) |
1363 | return 1; | |
1364 | else if ((*sec1)->vma < (*sec2)->vma) | |
1365 | return -1; | |
87a15686 ILT |
1366 | |
1367 | /* Sort sections with the same VMA by size. */ | |
1368 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) | |
1369 | return 1; | |
1370 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1371 | return -1; | |
1372 | ||
1373 | return 0; | |
596d99ba ILT |
1374 | } |
1375 | ||
77ccab3c JL |
1376 | /* Mark all the symbols which will be used in output relocations with |
1377 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1378 | ||
1379 | Ignore relocations which will not appear in the output file. */ | |
1380 | ||
1381 | static void | |
6c7ed084 | 1382 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) |
77ccab3c JL |
1383 | bfd *ibfd; |
1384 | sec_ptr isection; | |
6c7ed084 | 1385 | PTR symbolsarg; |
77ccab3c | 1386 | { |
6c7ed084 | 1387 | asymbol **symbols = (asymbol **) symbolsarg; |
ae5d2ff5 | 1388 | long relsize; |
77ccab3c | 1389 | arelent **relpp; |
ae5d2ff5 | 1390 | long relcount, i; |
77ccab3c JL |
1391 | |
1392 | /* Ignore an input section with no corresponding output section. */ | |
1393 | if (isection->output_section == NULL) | |
1394 | return; | |
1395 | ||
ae5d2ff5 ILT |
1396 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1397 | if (relsize < 0) | |
1398 | bfd_fatal (bfd_get_filename (ibfd)); | |
1399 | ||
a445cee7 | 1400 | if (relsize == 0) |
28b5eb12 | 1401 | return; |
a445cee7 | 1402 | |
ae5d2ff5 | 1403 | relpp = (arelent **) xmalloc (relsize); |
77ccab3c | 1404 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); |
ae5d2ff5 ILT |
1405 | if (relcount < 0) |
1406 | bfd_fatal (bfd_get_filename (ibfd)); | |
77ccab3c JL |
1407 | |
1408 | /* Examine each symbol used in a relocation. If it's not one of the | |
1409 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
1410 | for (i = 0; i < relcount; i++) | |
1411 | { | |
6c7ed084 ILT |
1412 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1413 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1414 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
77ccab3c JL |
1415 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; |
1416 | } | |
1417 | ||
1418 | if (relpp != NULL) | |
1419 | free (relpp); | |
1420 | } | |
1421 | ||
f5818d79 ILT |
1422 | /* Write out debugging information. */ |
1423 | ||
1424 | static boolean | |
1425 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1426 | bfd *obfd; | |
1427 | PTR dhandle; | |
1428 | long *symcountp; | |
1429 | asymbol ***symppp; | |
1430 | { | |
1431 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1432 | return write_ieee_debugging_info (obfd, dhandle); | |
1433 | ||
8d2e72a1 RH |
1434 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour |
1435 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1436 | { | |
1437 | bfd_byte *syms, *strings; | |
1438 | bfd_size_type symsize, stringsize; | |
1439 | asection *stabsec, *stabstrsec; | |
1440 | ||
1441 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1442 | &symsize, &strings, | |
1443 | &stringsize)) | |
1444 | return false; | |
1445 | ||
1446 | stabsec = bfd_make_section (obfd, ".stab"); | |
1447 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1448 | if (stabsec == NULL | |
1449 | || stabstrsec == NULL | |
1450 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1451 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1452 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1453 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1454 | || ! bfd_set_section_flags (obfd, stabsec, | |
1455 | (SEC_HAS_CONTENTS | |
1456 | | SEC_READONLY | |
1457 | | SEC_DEBUGGING)) | |
1458 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1459 | (SEC_HAS_CONTENTS | |
1460 | | SEC_READONLY | |
1461 | | SEC_DEBUGGING))) | |
1462 | { | |
1463 | fprintf (stderr, "%s: can't create debugging section: %s\n", | |
1464 | bfd_get_filename (obfd), bfd_errmsg (bfd_get_error ())); | |
1465 | return false; | |
1466 | } | |
1467 | ||
1468 | /* We can get away with setting the section contents now because | |
1469 | the next thing the caller is going to do is copy over the | |
1470 | real sections. We may someday have to split the contents | |
1471 | setting out of this function. */ | |
1472 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1473 | symsize) | |
1474 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1475 | (file_ptr) 0, stringsize)) | |
1476 | { | |
1477 | fprintf (stderr, "%s: can't set debugging section contents: %s\n", | |
1478 | bfd_get_filename (obfd), bfd_errmsg (bfd_get_error ())); | |
1479 | return false; | |
1480 | } | |
1481 | ||
1482 | return true; | |
1483 | } | |
1484 | ||
f5818d79 ILT |
1485 | fprintf (stderr, |
1486 | "%s: don't know how to write debugging information for %s\n", | |
1487 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
1488 | return false; | |
1489 | } | |
1490 | ||
46050fe4 ILT |
1491 | /* The number of bytes to copy at once. */ |
1492 | #define COPY_BUF 8192 | |
1493 | ||
1494 | /* Copy file FROM to file TO, performing no translations. | |
1495 | Return 0 if ok, -1 if error. */ | |
1496 | ||
1497 | static int | |
1498 | simple_copy (from, to) | |
8d2e72a1 RH |
1499 | const char *from; |
1500 | const char *to; | |
c0367ba5 | 1501 | { |
46050fe4 | 1502 | int fromfd, tofd, nread; |
d1a917c5 | 1503 | int saved; |
46050fe4 ILT |
1504 | char buf[COPY_BUF]; |
1505 | ||
1506 | fromfd = open (from, O_RDONLY); | |
1507 | if (fromfd < 0) | |
1508 | return -1; | |
28b5eb12 | 1509 | tofd = creat (to, 0777); |
46050fe4 ILT |
1510 | if (tofd < 0) |
1511 | { | |
d1a917c5 | 1512 | saved = errno; |
46050fe4 | 1513 | close (fromfd); |
d1a917c5 | 1514 | errno = saved; |
46050fe4 ILT |
1515 | return -1; |
1516 | } | |
1517 | while ((nread = read (fromfd, buf, sizeof buf)) > 0) | |
1518 | { | |
1519 | if (write (tofd, buf, nread) != nread) | |
1520 | { | |
d1a917c5 | 1521 | saved = errno; |
46050fe4 ILT |
1522 | close (fromfd); |
1523 | close (tofd); | |
d1a917c5 | 1524 | errno = saved; |
46050fe4 ILT |
1525 | return -1; |
1526 | } | |
1527 | } | |
d1a917c5 | 1528 | saved = errno; |
46050fe4 ILT |
1529 | close (fromfd); |
1530 | close (tofd); | |
1531 | if (nread < 0) | |
d1a917c5 ILT |
1532 | { |
1533 | errno = saved; | |
1534 | return -1; | |
1535 | } | |
46050fe4 ILT |
1536 | return 0; |
1537 | } | |
c0367ba5 | 1538 | |
46050fe4 ILT |
1539 | #ifndef S_ISLNK |
1540 | #ifdef S_IFLNK | |
1541 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | |
1542 | #else | |
1543 | #define S_ISLNK(m) 0 | |
1544 | #define lstat stat | |
1545 | #endif | |
1546 | #endif | |
1547 | ||
1548 | /* Rename FROM to TO, copying if TO is a link. | |
1549 | Assumes that TO already exists, because FROM is a temp file. | |
1550 | Return 0 if ok, -1 if error. */ | |
1551 | ||
1552 | static int | |
1553 | smart_rename (from, to) | |
8d2e72a1 RH |
1554 | const char *from; |
1555 | const char *to; | |
46050fe4 ILT |
1556 | { |
1557 | struct stat s; | |
1558 | int ret = 0; | |
c0367ba5 | 1559 | |
46050fe4 ILT |
1560 | if (lstat (to, &s)) |
1561 | return -1; | |
c0367ba5 | 1562 | |
eaa147a6 ILT |
1563 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
1564 | /* Win32, unlike unix, will not erase `to' in `rename(from, to)' but | |
1565 | fail instead. Also, chown is not present. */ | |
1566 | ||
1567 | if (stat (to, &s) == 0) | |
1568 | remove (to); | |
1569 | ||
1570 | ret = rename (from, to); | |
1571 | if (ret != 0) | |
1572 | { | |
1573 | /* We have to clean up here. */ | |
1574 | int saved = errno; | |
1575 | fprintf (stderr, "%s: %s: ", program_name, to); | |
1576 | errno = saved; | |
1577 | perror ("rename"); | |
1578 | unlink (from); | |
1579 | } | |
1580 | #else | |
46050fe4 ILT |
1581 | /* Use rename only if TO is not a symbolic link and has |
1582 | only one hard link. */ | |
1583 | if (!S_ISLNK (s.st_mode) && s.st_nlink == 1) | |
1584 | { | |
1585 | ret = rename (from, to); | |
1586 | if (ret == 0) | |
1587 | { | |
8d2e72a1 RH |
1588 | /* Try to preserve the permission bits and ownership of TO. |
1589 | First get the mode right except for the setuid bit. Then | |
1590 | change the ownership. Then fix the setuid bit. We do | |
1591 | the chmod before the chown because if the chown succeeds, | |
1592 | and we are a normal user, we won't be able to do the | |
1593 | chmod afterward. We don't bother to fix the setuid bit | |
1594 | first because that might introduce a fleeting security | |
1595 | problem, and because the chown will clear the setuid bit | |
1596 | anyhow. We only fix the setuid bit if the chown | |
1597 | succeeds, because we don't want to introduce an | |
1598 | unexpected setuid file owned by the user running objcopy. */ | |
1599 | chmod (to, s.st_mode & 0777); | |
1600 | if (chown (to, s.st_uid, s.st_gid) >= 0) | |
1601 | chmod (to, s.st_mode & 07777); | |
46050fe4 | 1602 | } |
9135e5f8 ILT |
1603 | else |
1604 | { | |
1605 | /* We have to clean up here. */ | |
1606 | int saved = errno; | |
d1a917c5 | 1607 | fprintf (stderr, "%s: %s: ", program_name, to); |
9135e5f8 ILT |
1608 | errno = saved; |
1609 | perror ("rename"); | |
1610 | unlink (from); | |
1611 | } | |
46050fe4 ILT |
1612 | } |
1613 | else | |
1614 | { | |
1615 | ret = simple_copy (from, to); | |
d1a917c5 ILT |
1616 | if (ret != 0) |
1617 | { | |
1618 | int saved = errno; | |
1619 | fprintf (stderr, "%s: %s: ", program_name, to); | |
1620 | errno = saved; | |
1621 | perror ("simple_copy"); | |
1622 | } | |
1623 | unlink (from); | |
46050fe4 | 1624 | } |
eaa147a6 ILT |
1625 | #endif /* _WIN32 && !__CYGWIN32__ */ |
1626 | ||
46050fe4 ILT |
1627 | return ret; |
1628 | } | |
1629 | ||
8d2e72a1 RH |
1630 | /* Set the times of the file DESTINATION to be the same as those in |
1631 | STATBUF. */ | |
1632 | ||
1633 | static void | |
1634 | set_times (destination, statbuf) | |
1635 | const char *destination; | |
1636 | const struct stat *statbuf; | |
1637 | { | |
1638 | int result; | |
1639 | ||
1640 | { | |
1641 | #ifdef HAVE_GOOD_UTIME_H | |
1642 | struct utimbuf tb; | |
1643 | ||
1644 | tb.actime = statbuf->st_atime; | |
1645 | tb.modtime = statbuf->st_mtime; | |
1646 | result = utime (destination, &tb); | |
1647 | #else /* ! HAVE_GOOD_UTIME_H */ | |
1648 | #ifndef HAVE_UTIMES | |
1649 | long tb[2]; | |
1650 | ||
1651 | tb[0] = statbuf->st_atime; | |
1652 | tb[1] = statbuf->st_mtime; | |
1653 | result = utime (destination, tb); | |
1654 | #else /* HAVE_UTIMES */ | |
1655 | struct timeval tv[2]; | |
1656 | ||
1657 | tv[0].tv_sec = statbuf->st_atime; | |
1658 | tv[0].tv_usec = 0; | |
1659 | tv[1].tv_sec = statbuf->st_mtime; | |
1660 | tv[1].tv_usec = 0; | |
1661 | result = utimes (destination, tv); | |
1662 | #endif /* HAVE_UTIMES */ | |
1663 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
1664 | } | |
1665 | ||
1666 | if (result != 0) | |
1667 | { | |
1668 | fprintf (stderr, "%s: ", destination); | |
1669 | perror ("can not set time"); | |
1670 | } | |
1671 | } | |
1672 | ||
46050fe4 ILT |
1673 | static int |
1674 | strip_main (argc, argv) | |
1675 | int argc; | |
1676 | char *argv[]; | |
1677 | { | |
1678 | char *input_target = NULL, *output_target = NULL; | |
1679 | boolean show_version = false; | |
8d2e72a1 | 1680 | boolean preserve_dates = false; |
46050fe4 | 1681 | int c, i; |
5ab41086 | 1682 | struct section_list *p; |
8d2e72a1 | 1683 | char *output_file = NULL; |
46050fe4 | 1684 | |
8d2e72a1 | 1685 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpgxXVv", |
46050fe4 ILT |
1686 | strip_options, (int *) 0)) != EOF) |
1687 | { | |
1688 | switch (c) | |
1689 | { | |
1690 | case 'I': | |
1691 | input_target = optarg; | |
704bbd0d | 1692 | break; |
46050fe4 ILT |
1693 | case 'O': |
1694 | output_target = optarg; | |
1695 | break; | |
1696 | case 'F': | |
1697 | input_target = output_target = optarg; | |
1698 | break; | |
6c7ed084 | 1699 | case 'R': |
5ab41086 ILT |
1700 | p = find_section_list (optarg, true); |
1701 | p->remove = true; | |
1702 | sections_removed = true; | |
6c7ed084 | 1703 | break; |
46050fe4 | 1704 | case 's': |
c0367ba5 | 1705 | strip_symbols = strip_all; |
46050fe4 ILT |
1706 | break; |
1707 | case 'S': | |
1708 | case 'g': | |
1709 | strip_symbols = strip_debug; | |
1710 | break; | |
9135e5f8 ILT |
1711 | case OPTION_STRIP_UNNEEDED: |
1712 | strip_symbols = strip_unneeded; | |
1713 | break; | |
1714 | case 'K': | |
8d2e72a1 | 1715 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1716 | break; |
4af19c61 | 1717 | case 'N': |
8d2e72a1 RH |
1718 | add_specific_symbol (optarg, &strip_specific_list); |
1719 | break; | |
1720 | case 'o': | |
1721 | output_file = optarg; | |
1722 | break; | |
1723 | case 'p': | |
1724 | preserve_dates = true; | |
4af19c61 | 1725 | break; |
46050fe4 ILT |
1726 | case 'x': |
1727 | discard_locals = locals_all; | |
1728 | break; | |
1729 | case 'X': | |
1730 | discard_locals = locals_start_L; | |
1731 | break; | |
1732 | case 'v': | |
1733 | verbose = true; | |
1734 | break; | |
1735 | case 'V': | |
1736 | show_version = true; | |
1737 | break; | |
1738 | case 0: | |
1739 | break; /* we've been given a long option */ | |
1740 | case 'h': | |
1741 | strip_usage (stdout, 0); | |
1742 | default: | |
1743 | strip_usage (stderr, 1); | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | if (show_version) | |
8d2e72a1 | 1748 | print_version ("strip"); |
c0367ba5 | 1749 | |
46050fe4 | 1750 | /* Default is to strip all symbols. */ |
4af19c61 KR |
1751 | if (strip_symbols == strip_undef |
1752 | && discard_locals == locals_undef | |
1753 | && strip_specific_list == NULL) | |
46050fe4 ILT |
1754 | strip_symbols = strip_all; |
1755 | ||
1756 | if (output_target == (char *) NULL) | |
1757 | output_target = input_target; | |
1758 | ||
1759 | i = optind; | |
8d2e72a1 RH |
1760 | if (i == argc |
1761 | || (output_file != NULL && (i + 1) < argc)) | |
46050fe4 ILT |
1762 | strip_usage (stderr, 1); |
1763 | ||
1764 | for (; i < argc; i++) | |
1765 | { | |
1766 | int hold_status = status; | |
8d2e72a1 RH |
1767 | struct stat statbuf; |
1768 | char *tmpname; | |
1769 | ||
1770 | if (preserve_dates) | |
1771 | { | |
1772 | if (stat (argv[i], &statbuf) < 0) | |
1773 | { | |
1774 | fprintf (stderr, "%s: ", argv[i]); | |
1775 | perror ("cannot stat"); | |
1776 | continue; | |
1777 | } | |
1778 | } | |
c0367ba5 | 1779 | |
8d2e72a1 RH |
1780 | if (output_file != NULL) |
1781 | tmpname = output_file; | |
1782 | else | |
1783 | tmpname = make_tempname (argv[i]); | |
46050fe4 | 1784 | status = 0; |
8d2e72a1 | 1785 | |
46050fe4 ILT |
1786 | copy_file (argv[i], tmpname, input_target, output_target); |
1787 | if (status == 0) | |
1788 | { | |
8d2e72a1 RH |
1789 | if (preserve_dates) |
1790 | set_times (tmpname, &statbuf); | |
1791 | if (output_file == NULL) | |
1792 | smart_rename (tmpname, argv[i]); | |
46050fe4 | 1793 | status = hold_status; |
c0367ba5 | 1794 | } |
46050fe4 ILT |
1795 | else |
1796 | unlink (tmpname); | |
8d2e72a1 RH |
1797 | if (output_file == NULL) |
1798 | free (tmpname); | |
46050fe4 ILT |
1799 | } |
1800 | ||
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | static int | |
1805 | copy_main (argc, argv) | |
1806 | int argc; | |
1807 | char *argv[]; | |
1808 | { | |
6c7ed084 | 1809 | char *input_filename = NULL, *output_filename = NULL; |
46050fe4 ILT |
1810 | char *input_target = NULL, *output_target = NULL; |
1811 | boolean show_version = false; | |
6c7ed084 | 1812 | boolean adjust_warn = true; |
8d2e72a1 | 1813 | boolean preserve_dates = false; |
46050fe4 | 1814 | int c; |
6c7ed084 | 1815 | struct section_list *p; |
8d2e72a1 | 1816 | struct stat statbuf; |
46050fe4 | 1817 | |
246b7c9b | 1818 | while ((c = getopt_long (argc, argv, "b:i:I:K:N:s:O:d:F:L:R:SpgxXVvW:", |
46050fe4 ILT |
1819 | copy_options, (int *) 0)) != EOF) |
1820 | { | |
1821 | switch (c) | |
1822 | { | |
f7b839f7 DM |
1823 | case 'b': |
1824 | copy_byte = atoi(optarg); | |
1825 | if (copy_byte < 0) | |
1826 | { | |
1827 | fprintf (stderr, "%s: byte number must be non-negative\n", | |
1828 | program_name); | |
1829 | exit (1); | |
1830 | } | |
1831 | break; | |
1832 | case 'i': | |
1833 | interleave = atoi(optarg); | |
1834 | if (interleave < 1) | |
1835 | { | |
1836 | fprintf(stderr, "%s: interleave must be positive\n", | |
1837 | program_name); | |
1838 | exit (1); | |
1839 | } | |
1840 | break; | |
c0367ba5 | 1841 | case 'I': |
46050fe4 | 1842 | case 's': /* "source" - 'I' is preferred */ |
c0367ba5 | 1843 | input_target = optarg; |
704bbd0d | 1844 | break; |
c0367ba5 | 1845 | case 'O': |
46050fe4 | 1846 | case 'd': /* "destination" - 'O' is preferred */ |
c0367ba5 ILT |
1847 | output_target = optarg; |
1848 | break; | |
1849 | case 'F': | |
c0367ba5 ILT |
1850 | input_target = output_target = optarg; |
1851 | break; | |
6c7ed084 | 1852 | case 'R': |
5ab41086 ILT |
1853 | p = find_section_list (optarg, true); |
1854 | p->remove = true; | |
1855 | sections_removed = true; | |
6c7ed084 | 1856 | break; |
c0367ba5 ILT |
1857 | case 'S': |
1858 | strip_symbols = strip_all; | |
1859 | break; | |
1860 | case 'g': | |
1861 | strip_symbols = strip_debug; | |
1862 | break; | |
9135e5f8 ILT |
1863 | case OPTION_STRIP_UNNEEDED: |
1864 | strip_symbols = strip_unneeded; | |
1865 | break; | |
1866 | case 'K': | |
8d2e72a1 | 1867 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1868 | break; |
4af19c61 | 1869 | case 'N': |
8d2e72a1 RH |
1870 | add_specific_symbol (optarg, &strip_specific_list); |
1871 | break; | |
246b7c9b RH |
1872 | case 'L': |
1873 | add_specific_symbol (optarg, &localize_specific_list); | |
8d2e72a1 RH |
1874 | break; |
1875 | case 'W': | |
1876 | add_specific_symbol (optarg, &weaken_specific_list); | |
1877 | break; | |
1878 | case 'p': | |
1879 | preserve_dates = true; | |
4af19c61 | 1880 | break; |
c0367ba5 ILT |
1881 | case 'x': |
1882 | discard_locals = locals_all; | |
1883 | break; | |
1884 | case 'X': | |
1885 | discard_locals = locals_start_L; | |
1886 | break; | |
1887 | case 'v': | |
1888 | verbose = true; | |
1889 | break; | |
1890 | case 'V': | |
1891 | show_version = true; | |
1892 | break; | |
8d2e72a1 RH |
1893 | case OPTION_WEAKEN: |
1894 | weaken = true; | |
1895 | break; | |
5ab41086 ILT |
1896 | case OPTION_ADD_SECTION: |
1897 | { | |
1898 | const char *s; | |
1899 | struct stat st; | |
1900 | struct section_add *pa; | |
1901 | int len; | |
1902 | char *name; | |
1903 | FILE *f; | |
1904 | ||
1905 | s = strchr (optarg, '='); | |
1906 | if (s == NULL) | |
1907 | { | |
1908 | fprintf (stderr, | |
1909 | "%s: bad format for --add-section NAME=FILENAME\n", | |
1910 | program_name); | |
1911 | exit (1); | |
1912 | } | |
1913 | ||
1914 | if (stat (s + 1, &st) < 0) | |
1915 | { | |
1916 | fprintf (stderr, "%s: ", program_name); | |
1917 | perror (s + 1); | |
1918 | exit (1); | |
1919 | } | |
1920 | ||
1921 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
1922 | ||
1923 | len = s - optarg; | |
1924 | name = (char *) xmalloc (len + 1); | |
1925 | strncpy (name, optarg, len); | |
1926 | name[len] = '\0'; | |
1927 | pa->name = name; | |
1928 | ||
1929 | pa->filename = s + 1; | |
1930 | ||
1931 | pa->size = st.st_size; | |
1932 | ||
9135e5f8 | 1933 | pa->contents = (bfd_byte *) xmalloc (pa->size); |
5ab41086 ILT |
1934 | f = fopen (pa->filename, FOPEN_RB); |
1935 | if (f == NULL) | |
1936 | { | |
1937 | fprintf (stderr, "%s: ", program_name); | |
1938 | perror (pa->filename); | |
1939 | exit (1); | |
1940 | } | |
1941 | if (fread (pa->contents, 1, pa->size, f) == 0 | |
1942 | || ferror (f)) | |
1943 | { | |
1944 | fprintf (stderr, "%s: %s: fread failed\n", | |
1945 | program_name, pa->filename); | |
1946 | exit (1); | |
1947 | } | |
1948 | fclose (f); | |
1949 | ||
1950 | pa->next = add_sections; | |
1951 | add_sections = pa; | |
1952 | } | |
1953 | break; | |
6c7ed084 ILT |
1954 | case OPTION_ADJUST_START: |
1955 | adjust_start = parse_vma (optarg, "--adjust-start"); | |
1956 | break; | |
1957 | case OPTION_ADJUST_SECTION_VMA: | |
1958 | { | |
1959 | const char *s; | |
1960 | int len; | |
1961 | char *name; | |
1962 | ||
6c7ed084 | 1963 | s = strchr (optarg, '='); |
5ab41086 | 1964 | if (s == NULL) |
6c7ed084 ILT |
1965 | { |
1966 | s = strchr (optarg, '+'); | |
1967 | if (s == NULL) | |
1968 | { | |
1969 | s = strchr (optarg, '-'); | |
1970 | if (s == NULL) | |
1971 | { | |
1972 | fprintf (stderr, | |
1973 | "%s: bad format for --adjust-section-vma\n", | |
1974 | program_name); | |
1975 | exit (1); | |
1976 | } | |
1977 | } | |
6c7ed084 ILT |
1978 | } |
1979 | ||
1980 | len = s - optarg; | |
1981 | name = (char *) xmalloc (len + 1); | |
1982 | strncpy (name, optarg, len); | |
1983 | name[len] = '\0'; | |
6c7ed084 | 1984 | |
5ab41086 ILT |
1985 | p = find_section_list (name, true); |
1986 | ||
1987 | p->val = parse_vma (s + 1, "--adjust-section-vma"); | |
6c7ed084 | 1988 | |
5ab41086 ILT |
1989 | if (*s == '=') |
1990 | p->adjust = set_vma; | |
1991 | else | |
1992 | { | |
1993 | p->adjust = adjust_vma; | |
1994 | if (*s == '-') | |
1995 | p->val = - p->val; | |
1996 | } | |
6c7ed084 ILT |
1997 | } |
1998 | break; | |
1999 | case OPTION_ADJUST_VMA: | |
2000 | adjust_section_vma = parse_vma (optarg, "--adjust-vma"); | |
2001 | adjust_start = adjust_section_vma; | |
2002 | break; | |
2003 | case OPTION_ADJUST_WARNINGS: | |
2004 | adjust_warn = true; | |
2005 | break; | |
8d2e72a1 RH |
2006 | case OPTION_CHANGE_LEADING_CHAR: |
2007 | change_leading_char = true; | |
2008 | break; | |
f5818d79 ILT |
2009 | case OPTION_DEBUGGING: |
2010 | convert_debugging = true; | |
2011 | break; | |
596d99ba ILT |
2012 | case OPTION_GAP_FILL: |
2013 | { | |
2014 | bfd_vma gap_fill_vma; | |
2015 | ||
2016 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2017 | gap_fill = (bfd_byte) gap_fill_vma; | |
2018 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2019 | { | |
2020 | fprintf (stderr, "%s: warning: truncating gap-fill from 0x", | |
2021 | program_name); | |
2022 | fprintf_vma (stderr, gap_fill_vma); | |
2023 | fprintf (stderr, "to 0x%x\n", (unsigned int) gap_fill); | |
2024 | } | |
2025 | gap_fill_set = true; | |
2026 | } | |
2027 | break; | |
6c7ed084 ILT |
2028 | case OPTION_NO_ADJUST_WARNINGS: |
2029 | adjust_warn = false; | |
2030 | break; | |
87a15686 ILT |
2031 | case OPTION_PAD_TO: |
2032 | pad_to = parse_vma (optarg, "--pad-to"); | |
2033 | pad_to_set = true; | |
2034 | break; | |
8d2e72a1 RH |
2035 | case OPTION_REMOVE_LEADING_CHAR: |
2036 | remove_leading_char = true; | |
2037 | break; | |
5ab41086 ILT |
2038 | case OPTION_SET_SECTION_FLAGS: |
2039 | { | |
2040 | const char *s; | |
2041 | int len; | |
2042 | char *name; | |
2043 | ||
2044 | s = strchr (optarg, '='); | |
2045 | if (s == NULL) | |
2046 | { | |
2047 | fprintf (stderr, "%s: bad format for --set-section-flags\n", | |
2048 | program_name); | |
2049 | exit (1); | |
2050 | } | |
2051 | ||
2052 | len = s - optarg; | |
2053 | name = (char *) xmalloc (len + 1); | |
2054 | strncpy (name, optarg, len); | |
2055 | name[len] = '\0'; | |
2056 | ||
2057 | p = find_section_list (name, true); | |
2058 | ||
2059 | p->set_flags = true; | |
2060 | p->flags = parse_flags (s + 1); | |
2061 | } | |
2062 | break; | |
6c7ed084 ILT |
2063 | case OPTION_SET_START: |
2064 | set_start = parse_vma (optarg, "--set-start"); | |
2065 | set_start_set = true; | |
2066 | break; | |
46050fe4 | 2067 | case 0: |
c0367ba5 ILT |
2068 | break; /* we've been given a long option */ |
2069 | case 'h': | |
2070 | copy_usage (stdout, 0); | |
2071 | default: | |
2072 | copy_usage (stderr, 1); | |
46050fe4 ILT |
2073 | } |
2074 | } | |
2075 | ||
2076 | if (show_version) | |
8d2e72a1 | 2077 | print_version ("objcopy"); |
c0367ba5 | 2078 | |
f7b839f7 DM |
2079 | if (copy_byte >= interleave) |
2080 | { | |
2081 | fprintf (stderr, "%s: byte number must be less than interleave\n", | |
2082 | program_name); | |
2083 | exit (1); | |
2084 | } | |
2085 | ||
46050fe4 ILT |
2086 | if (optind == argc || optind + 2 < argc) |
2087 | copy_usage (stderr, 1); | |
c0367ba5 ILT |
2088 | |
2089 | input_filename = argv[optind]; | |
2090 | if (optind + 1 < argc) | |
46050fe4 | 2091 | output_filename = argv[optind + 1]; |
c0367ba5 ILT |
2092 | |
2093 | /* Default is to strip no symbols. */ | |
2094 | if (strip_symbols == strip_undef && discard_locals == locals_undef) | |
46050fe4 | 2095 | strip_symbols = strip_none; |
c0367ba5 ILT |
2096 | |
2097 | if (output_target == (char *) NULL) | |
2098 | output_target = input_target; | |
2099 | ||
8d2e72a1 RH |
2100 | if (preserve_dates) |
2101 | { | |
2102 | if (stat (input_filename, &statbuf) < 0) | |
2103 | { | |
2104 | fprintf (stderr, "%s: ", input_filename); | |
2105 | perror ("cannot stat"); | |
2106 | exit (1); | |
2107 | } | |
2108 | } | |
2109 | ||
46050fe4 ILT |
2110 | /* If there is no destination file then create a temp and rename |
2111 | the result into the input. */ | |
2112 | ||
2113 | if (output_filename == (char *) NULL) | |
2114 | { | |
2115 | char *tmpname = make_tempname (input_filename); | |
8d2e72a1 | 2116 | |
46050fe4 ILT |
2117 | copy_file (input_filename, tmpname, input_target, output_target); |
2118 | if (status == 0) | |
8d2e72a1 RH |
2119 | { |
2120 | if (preserve_dates) | |
2121 | set_times (tmpname, &statbuf); | |
2122 | smart_rename (tmpname, input_filename); | |
2123 | } | |
46050fe4 ILT |
2124 | else |
2125 | unlink (tmpname); | |
2126 | } | |
2127 | else | |
2128 | { | |
2129 | copy_file (input_filename, output_filename, input_target, output_target); | |
8d2e72a1 RH |
2130 | if (status == 0 && preserve_dates) |
2131 | set_times (output_filename, &statbuf); | |
46050fe4 ILT |
2132 | } |
2133 | ||
6c7ed084 ILT |
2134 | if (adjust_warn) |
2135 | { | |
2136 | for (p = adjust_sections; p != NULL; p = p->next) | |
2137 | { | |
5ab41086 | 2138 | if (! p->used && p->adjust != ignore_vma) |
6c7ed084 ILT |
2139 | { |
2140 | fprintf (stderr, "%s: warning: --adjust-section-vma %s%c0x", | |
2141 | program_name, p->name, | |
5ab41086 | 2142 | p->adjust == set_vma ? '=' : '+'); |
6c7ed084 ILT |
2143 | fprintf_vma (stderr, p->val); |
2144 | fprintf (stderr, " never used\n"); | |
2145 | } | |
2146 | } | |
2147 | } | |
2148 | ||
c0367ba5 ILT |
2149 | return 0; |
2150 | } | |
46050fe4 ILT |
2151 | |
2152 | int | |
2153 | main (argc, argv) | |
2154 | int argc; | |
2155 | char *argv[]; | |
2156 | { | |
2157 | program_name = argv[0]; | |
704bbd0d | 2158 | xmalloc_set_program_name (program_name); |
5ab41086 ILT |
2159 | |
2160 | START_PROGRESS (program_name, 0); | |
2161 | ||
46050fe4 ILT |
2162 | strip_symbols = strip_undef; |
2163 | discard_locals = locals_undef; | |
2164 | ||
2165 | bfd_init (); | |
8d2e72a1 | 2166 | set_default_bfd_target (); |
46050fe4 ILT |
2167 | |
2168 | if (is_strip < 0) | |
2169 | { | |
2170 | int i = strlen (program_name); | |
87a15686 | 2171 | is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip") == 0); |
46050fe4 ILT |
2172 | } |
2173 | ||
2174 | if (is_strip) | |
2175 | strip_main (argc, argv); | |
2176 | else | |
2177 | copy_main (argc, argv); | |
2178 | ||
5ab41086 ILT |
2179 | END_PROGRESS (program_name); |
2180 | ||
46050fe4 ILT |
2181 | return status; |
2182 | } |