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