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