Commit | Line | Data |
---|---|---|
c0367ba5 | 1 | /* objcopy.c -- copy object file from input to output, optionally massaging it. |
f7b839f7 | 2 | Copyright (C) 1991, 92, 93, 94 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 | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | \f | |
c0367ba5 ILT |
20 | #include "bfd.h" |
21 | #include "sysdep.h" | |
5ab41086 | 22 | #include "progress.h" |
c0367ba5 ILT |
23 | #include "bucomm.h" |
24 | #include <getopt.h> | |
6c7ed084 | 25 | #include "libiberty.h" |
c0367ba5 | 26 | |
6c7ed084 | 27 | static bfd_vma parse_vma PARAMS ((const char *, const char *)); |
5ab41086 ILT |
28 | static flagword parse_flags PARAMS ((const char *)); |
29 | static char *make_tempname PARAMS ((char *)); | |
30 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); | |
6c7ed084 ILT |
31 | static void setup_section PARAMS ((bfd *, asection *, PTR)); |
32 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
596d99ba ILT |
33 | static void get_sections PARAMS ((bfd *, asection *, PTR)); |
34 | static int compare_section_vma PARAMS ((const PTR, const PTR)); | |
4af19c61 | 35 | static void add_strip_symbol PARAMS ((const char *)); |
5ab41086 ILT |
36 | static boolean is_strip_symbol PARAMS ((const char *)); |
37 | static boolean is_strip_section PARAMS ((bfd *, asection *)); | |
4af19c61 KR |
38 | static unsigned int filter_symbols |
39 | PARAMS ((bfd *, asymbol **, asymbol **, long)); | |
6c7ed084 | 40 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); |
c0367ba5 | 41 | |
46050fe4 | 42 | #define nonfatal(s) {bfd_nonfatal(s); status = 1; return;} |
c0367ba5 | 43 | |
46050fe4 ILT |
44 | static asymbol **isympp = NULL; /* Input symbols */ |
45 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
f7b839f7 DM |
46 | |
47 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
48 | static int copy_byte = -1; | |
49 | static int interleave = 4; | |
50 | ||
46050fe4 | 51 | static boolean verbose; /* Print file and target names. */ |
f7b839f7 | 52 | static int status = 0; /* Exit status. */ |
c0367ba5 ILT |
53 | |
54 | enum strip_action | |
46050fe4 ILT |
55 | { |
56 | strip_undef, | |
57 | strip_none, /* don't strip */ | |
58 | strip_debug, /* strip all debugger symbols */ | |
59 | strip_all /* strip all symbols */ | |
60 | }; | |
c0367ba5 ILT |
61 | |
62 | /* Which symbols to remove. */ | |
46050fe4 | 63 | static enum strip_action strip_symbols; |
c0367ba5 ILT |
64 | |
65 | enum locals_action | |
46050fe4 ILT |
66 | { |
67 | locals_undef, | |
68 | locals_start_L, /* discard locals starting with L */ | |
69 | locals_all /* discard all locals */ | |
70 | }; | |
71 | ||
72 | /* Which local symbols to remove. Overrides strip_all. */ | |
73 | static enum locals_action discard_locals; | |
74 | ||
6c7ed084 ILT |
75 | /* Structure used to hold lists of sections and actions to take. */ |
76 | ||
77 | struct section_list | |
78 | { | |
79 | /* Next section to adjust. */ | |
80 | struct section_list *next; | |
81 | /* Section name. */ | |
82 | const char *name; | |
83 | /* Whether this entry was used. */ | |
84 | boolean used; | |
5ab41086 ILT |
85 | /* Whether to remove this section. */ |
86 | boolean remove; | |
6c7ed084 | 87 | /* Whether to adjust or set VMA. */ |
5ab41086 | 88 | enum { ignore_vma, adjust_vma, set_vma } adjust; |
6c7ed084 ILT |
89 | /* Amount to adjust by or set to. */ |
90 | bfd_vma val; | |
5ab41086 ILT |
91 | /* Whether to set the section flags. */ |
92 | boolean set_flags; | |
93 | /* What to set the section flags to. */ | |
94 | flagword flags; | |
6c7ed084 ILT |
95 | }; |
96 | ||
5ab41086 ILT |
97 | static struct section_list *adjust_sections; |
98 | static boolean sections_removed; | |
6c7ed084 ILT |
99 | |
100 | /* Adjustments to the start address. */ | |
101 | static bfd_vma adjust_start = 0; | |
102 | static boolean set_start_set = false; | |
103 | static bfd_vma set_start; | |
104 | ||
105 | /* Adjustments to section VMA's. */ | |
106 | static bfd_vma adjust_section_vma = 0; | |
6c7ed084 | 107 | |
596d99ba ILT |
108 | /* Filling gaps between sections. */ |
109 | static boolean gap_fill_set = false; | |
87a15686 ILT |
110 | static bfd_byte gap_fill = 0; |
111 | ||
112 | /* Pad to a given address. */ | |
113 | static boolean pad_to_set = false; | |
114 | static bfd_vma pad_to; | |
596d99ba | 115 | |
5ab41086 ILT |
116 | /* List of sections to add. */ |
117 | ||
118 | struct section_add | |
119 | { | |
120 | /* Next section to add. */ | |
121 | struct section_add *next; | |
122 | /* Name of section to add. */ | |
123 | const char *name; | |
124 | /* Name of file holding section contents. */ | |
125 | const char *filename; | |
126 | /* Size of file. */ | |
127 | size_t size; | |
128 | /* Contents of file. */ | |
129 | bfd_byte *contents; | |
130 | /* BFD section, after it has been added. */ | |
131 | asection *section; | |
132 | }; | |
133 | ||
134 | static struct section_add *add_sections; | |
135 | ||
46050fe4 ILT |
136 | /* Options to handle if running as "strip". */ |
137 | ||
138 | static struct option strip_options[] = | |
c0367ba5 | 139 | { |
46050fe4 ILT |
140 | {"discard-all", no_argument, 0, 'x'}, |
141 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 142 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
46050fe4 | 143 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 144 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 | 145 | {"input-target", required_argument, 0, 'I'}, |
46050fe4 | 146 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 147 | {"output-target", required_argument, 0, 'O'}, |
6c7ed084 | 148 | {"remove-section", required_argument, 0, 'R'}, |
f7b839f7 DM |
149 | {"strip-all", no_argument, 0, 's'}, |
150 | {"strip-debug", no_argument, 0, 'S'}, | |
4af19c61 | 151 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 152 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 153 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 154 | {"version", no_argument, 0, 'V'}, |
46050fe4 | 155 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
156 | }; |
157 | ||
46050fe4 | 158 | /* Options to handle if running as "objcopy". */ |
c0367ba5 | 159 | |
6c7ed084 ILT |
160 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
161 | ||
5ab41086 ILT |
162 | #define OPTION_ADD_SECTION 150 |
163 | #define OPTION_ADJUST_START (OPTION_ADD_SECTION + 1) | |
6c7ed084 ILT |
164 | #define OPTION_ADJUST_VMA (OPTION_ADJUST_START + 1) |
165 | #define OPTION_ADJUST_SECTION_VMA (OPTION_ADJUST_VMA + 1) | |
166 | #define OPTION_ADJUST_WARNINGS (OPTION_ADJUST_SECTION_VMA + 1) | |
596d99ba ILT |
167 | #define OPTION_GAP_FILL (OPTION_ADJUST_WARNINGS + 1) |
168 | #define OPTION_NO_ADJUST_WARNINGS (OPTION_GAP_FILL + 1) | |
87a15686 | 169 | #define OPTION_PAD_TO (OPTION_NO_ADJUST_WARNINGS + 1) |
5ab41086 ILT |
170 | #define OPTION_SET_SECTION_FLAGS (OPTION_PAD_TO + 1) |
171 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) | |
6c7ed084 | 172 | |
46050fe4 ILT |
173 | static struct option copy_options[] = |
174 | { | |
5ab41086 | 175 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, |
6c7ed084 ILT |
176 | {"adjust-start", required_argument, 0, OPTION_ADJUST_START}, |
177 | {"adjust-vma", required_argument, 0, OPTION_ADJUST_VMA}, | |
178 | {"adjust-section-vma", required_argument, 0, OPTION_ADJUST_SECTION_VMA}, | |
179 | {"adjust-warnings", no_argument, 0, OPTION_ADJUST_WARNINGS}, | |
f7b839f7 | 180 | {"byte", required_argument, 0, 'b'}, |
46050fe4 ILT |
181 | {"discard-all", no_argument, 0, 'x'}, |
182 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 183 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
596d99ba | 184 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, |
46050fe4 | 185 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 186 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 DM |
187 | {"input-target", required_argument, 0, 'I'}, |
188 | {"interleave", required_argument, 0, 'i'}, | |
6c7ed084 | 189 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_ADJUST_WARNINGS}, |
46050fe4 | 190 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 191 | {"output-target", required_argument, 0, 'O'}, |
87a15686 | 192 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, |
6c7ed084 | 193 | {"remove-section", required_argument, 0, 'R'}, |
5ab41086 | 194 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
6c7ed084 | 195 | {"set-start", required_argument, 0, OPTION_SET_START}, |
f7b839f7 DM |
196 | {"strip-all", no_argument, 0, 'S'}, |
197 | {"strip-debug", no_argument, 0, 'g'}, | |
4af19c61 | 198 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 199 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 200 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 201 | {"version", no_argument, 0, 'V'}, |
46050fe4 | 202 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
203 | }; |
204 | ||
205 | /* IMPORTS */ | |
46050fe4 ILT |
206 | extern char *program_name; |
207 | extern char *program_version; | |
208 | ||
209 | /* This flag distinguishes between strip and objcopy: | |
210 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
211 | -1 means if we should use argv[0] to decide. */ | |
212 | extern int is_strip; | |
c0367ba5 ILT |
213 | |
214 | ||
46050fe4 | 215 | static void |
5ab41086 | 216 | copy_usage (stream, exit_status) |
c0367ba5 | 217 | FILE *stream; |
5ab41086 | 218 | int exit_status; |
c0367ba5 | 219 | { |
46050fe4 | 220 | fprintf (stream, "\ |
f7b839f7 | 221 | Usage: %s [-vVSgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\ |
6c7ed084 | 222 | [-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\ |
46050fe4 ILT |
223 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
224 | [--strip-all] [--strip-debug] [--discard-all] [--discard-locals]\n\ | |
5ab41086 ILT |
225 | [--remove-section=section] [--gap-fill=val] [--pad-to=address]\n", |
226 | program_name); | |
227 | fprintf (stream, "\ | |
87a15686 | 228 | [--set-start=val] [--adjust-start=incr] [--adjust-vma=incr]\n\ |
596d99ba | 229 | [--adjust-section-vma=section{=,+,-}val] [--adjust-warnings]\n\ |
5ab41086 ILT |
230 | [--no-adjust-warnings] [--set-section-flags=section=flags]\n\ |
231 | [--add-section=sectionname=filename]\n\ | |
232 | [--strip-symbol symbol] [-N symbol] [--verbose]\n\ | |
233 | [--version] [--help]\n\ | |
234 | in-file [out-file]\n"); | |
be1d162b | 235 | list_supported_targets (program_name, stream); |
5ab41086 | 236 | exit (exit_status); |
c0367ba5 ILT |
237 | } |
238 | ||
46050fe4 | 239 | static void |
5ab41086 | 240 | strip_usage (stream, exit_status) |
c0367ba5 | 241 | FILE *stream; |
5ab41086 | 242 | int exit_status; |
c0367ba5 | 243 | { |
46050fe4 | 244 | fprintf (stream, "\ |
6c7ed084 | 245 | Usage: %s [-vVsSgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-R section]\n\ |
46050fe4 ILT |
246 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
247 | [--strip-all] [--strip-debug] [--discard-all] [--discard-locals]\n\ | |
4af19c61 | 248 | [--strip-symbol symbol] [-N symbol]\n\ |
6c7ed084 | 249 | [--remove-section=section] [--verbose] [--version] [--help] file...\n", |
46050fe4 | 250 | program_name); |
be1d162b | 251 | list_supported_targets (program_name, stream); |
5ab41086 | 252 | exit (exit_status); |
c0367ba5 ILT |
253 | } |
254 | ||
6c7ed084 ILT |
255 | /* Parse a string into a VMA, with a fatal error if it can't be |
256 | parsed. */ | |
257 | ||
258 | static bfd_vma | |
259 | parse_vma (s, arg) | |
260 | const char *s; | |
261 | const char *arg; | |
262 | { | |
263 | bfd_vma ret; | |
264 | const char *end; | |
265 | ||
266 | ret = bfd_scan_vma (s, &end, 0); | |
267 | if (*end != '\0') | |
268 | { | |
269 | fprintf (stderr, "%s: %s: bad number: %s\n", program_name, arg, s); | |
270 | exit (1); | |
271 | } | |
272 | return ret; | |
273 | } | |
c0367ba5 | 274 | |
5ab41086 ILT |
275 | /* Parse section flags into a flagword, with a fatal error if the |
276 | string can't be parsed. */ | |
277 | ||
278 | static flagword | |
279 | parse_flags (s) | |
280 | const char *s; | |
281 | { | |
282 | flagword ret; | |
283 | const char *snext; | |
284 | int len; | |
285 | ||
286 | ret = SEC_NO_FLAGS; | |
287 | ||
288 | do | |
289 | { | |
290 | snext = strchr (s, ','); | |
291 | if (snext == NULL) | |
292 | len = strlen (s); | |
293 | else | |
294 | { | |
295 | len = snext - s; | |
296 | ++snext; | |
297 | } | |
298 | ||
299 | #define PARSE_FLAG(fname,fval) if (strncmp (fname, s, len) == 0) ret |= fval; | |
300 | PARSE_FLAG ("alloc", SEC_ALLOC); | |
301 | PARSE_FLAG ("load", SEC_LOAD); | |
302 | PARSE_FLAG ("readonly", SEC_READONLY); | |
303 | PARSE_FLAG ("code", SEC_CODE); | |
304 | PARSE_FLAG ("data", SEC_DATA); | |
305 | PARSE_FLAG ("rom", SEC_ROM); | |
306 | #undef PARSE_FLAG | |
307 | ||
308 | s = snext; | |
309 | } | |
310 | while (s != NULL); | |
311 | ||
312 | return ret; | |
313 | } | |
314 | ||
46050fe4 | 315 | /* Return the name of a temporary file in the same directory as FILENAME. */ |
c0367ba5 | 316 | |
46050fe4 ILT |
317 | static char * |
318 | make_tempname (filename) | |
319 | char *filename; | |
c0367ba5 | 320 | { |
46050fe4 ILT |
321 | static char template[] = "stXXXXXX"; |
322 | char *tmpname; | |
323 | char *slash = strrchr (filename, '/'); | |
324 | ||
325 | if (slash != (char *) NULL) | |
326 | { | |
327 | *slash = 0; | |
328 | tmpname = xmalloc (strlen (filename) + sizeof (template) + 1); | |
329 | strcpy (tmpname, filename); | |
330 | strcat (tmpname, "/"); | |
331 | strcat (tmpname, template); | |
332 | mktemp (tmpname); | |
333 | *slash = '/'; | |
334 | } | |
335 | else | |
336 | { | |
337 | tmpname = xmalloc (sizeof (template)); | |
338 | strcpy (tmpname, template); | |
339 | mktemp (tmpname); | |
c0367ba5 | 340 | } |
46050fe4 | 341 | return tmpname; |
c0367ba5 ILT |
342 | } |
343 | ||
5ab41086 ILT |
344 | /* Find and optionally add an entry in the adjust_sections list. */ |
345 | ||
346 | static struct section_list * | |
347 | find_section_list (name, add) | |
348 | const char *name; | |
349 | boolean add; | |
350 | { | |
351 | register struct section_list *p; | |
352 | ||
353 | for (p = adjust_sections; p != NULL; p = p->next) | |
354 | if (strcmp (p->name, name) == 0) | |
355 | return p; | |
356 | ||
357 | if (! add) | |
358 | return NULL; | |
359 | ||
360 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
361 | p->name = name; | |
362 | p->used = false; | |
363 | p->remove = false; | |
364 | p->adjust = ignore_vma; | |
365 | p->val = 0; | |
366 | p->set_flags = false; | |
367 | p->flags = 0; | |
368 | ||
369 | p->next = adjust_sections; | |
370 | adjust_sections = p; | |
371 | ||
372 | return p; | |
373 | } | |
374 | ||
4af19c61 KR |
375 | /* Make a list of symbols to explicitly strip out. A linked list is |
376 | good enough for a small number from the command line, but this will | |
377 | slow things down a lot if many symbols are being deleted. */ | |
378 | ||
379 | struct symlist | |
380 | { | |
381 | const char *name; | |
382 | struct symlist *next; | |
383 | }; | |
384 | ||
385 | static struct symlist *strip_specific_list = NULL; | |
386 | ||
387 | static void | |
388 | add_strip_symbol (name) | |
389 | const char *name; | |
390 | { | |
391 | struct symlist *tmp_list; | |
392 | ||
393 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
394 | tmp_list->name = name; | |
395 | tmp_list->next = strip_specific_list; | |
396 | strip_specific_list = tmp_list; | |
397 | } | |
398 | ||
5ab41086 | 399 | static boolean |
4af19c61 KR |
400 | is_strip_symbol (name) |
401 | const char *name; | |
402 | { | |
403 | struct symlist *tmp_list; | |
404 | ||
405 | for (tmp_list = strip_specific_list; tmp_list; tmp_list = tmp_list->next) | |
406 | { | |
407 | if (strcmp (name, tmp_list->name) == 0) | |
5ab41086 | 408 | return true; |
4af19c61 | 409 | } |
5ab41086 ILT |
410 | return false; |
411 | } | |
412 | ||
413 | /* See if a section is being removed. */ | |
414 | ||
415 | static boolean | |
416 | is_strip_section (abfd, sec) | |
417 | bfd *abfd; | |
418 | asection *sec; | |
419 | { | |
420 | struct section_list *p; | |
421 | ||
be1d162b ILT |
422 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 |
423 | && (strip_symbols == strip_debug | |
424 | || strip_symbols == strip_all | |
425 | || discard_locals == locals_all)) | |
426 | return true; | |
427 | ||
5ab41086 ILT |
428 | if (! sections_removed) |
429 | return false; | |
430 | p = find_section_list (bfd_get_section_name (abfd, sec), false); | |
431 | return p != NULL && p->remove ? true : false; | |
4af19c61 KR |
432 | } |
433 | ||
46050fe4 | 434 | /* Choose which symbol entries to copy; put the result in OSYMS. |
c0367ba5 | 435 | We don't copy in place, because that confuses the relocs. |
46050fe4 ILT |
436 | Return the number of symbols to print. */ |
437 | ||
c0367ba5 ILT |
438 | static unsigned int |
439 | filter_symbols (abfd, osyms, isyms, symcount) | |
440 | bfd *abfd; | |
441 | asymbol **osyms, **isyms; | |
ae5d2ff5 | 442 | long symcount; |
c0367ba5 ILT |
443 | { |
444 | register asymbol **from = isyms, **to = osyms; | |
ae5d2ff5 | 445 | long src_count = 0, dst_count = 0; |
c0367ba5 | 446 | |
46050fe4 ILT |
447 | for (; src_count < symcount; src_count++) |
448 | { | |
449 | asymbol *sym = from[src_count]; | |
450 | flagword flags = sym->flags; | |
451 | int keep; | |
c0367ba5 | 452 | |
46050fe4 | 453 | if ((flags & BSF_GLOBAL) /* Keep if external. */ |
77ccab3c | 454 | || (flags & BSF_KEEP) /* Keep if used in a relocation. */ |
6c7ed084 | 455 | || bfd_is_und_section (bfd_get_section (sym)) |
46050fe4 ILT |
456 | || bfd_is_com_section (bfd_get_section (sym))) |
457 | keep = 1; | |
458 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ | |
459 | keep = strip_symbols != strip_debug; | |
460 | else /* Local symbol. */ | |
461 | keep = discard_locals != locals_all | |
462 | && (discard_locals != locals_start_L || | |
77ccab3c | 463 | ! bfd_is_local_label (abfd, sym)); |
4af19c61 KR |
464 | |
465 | if (keep && is_strip_symbol (bfd_asymbol_name (sym))) | |
466 | keep = 0; | |
5ab41086 ILT |
467 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) |
468 | keep = 0; | |
4af19c61 | 469 | |
46050fe4 ILT |
470 | if (keep) |
471 | to[dst_count++] = sym; | |
c0367ba5 | 472 | } |
c0367ba5 ILT |
473 | |
474 | return dst_count; | |
475 | } | |
476 | ||
f7b839f7 DM |
477 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
478 | Adjust *SIZE. */ | |
479 | ||
480 | void | |
481 | filter_bytes (memhunk, size) | |
5d2f7e30 | 482 | char *memhunk; |
f7b839f7 DM |
483 | bfd_size_type *size; |
484 | { | |
485 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
486 | ||
487 | for (; from < end; from += interleave) | |
488 | *to++ = *from; | |
489 | *size /= interleave; | |
490 | } | |
491 | ||
46050fe4 ILT |
492 | /* Copy object file IBFD onto OBFD. */ |
493 | ||
c0367ba5 | 494 | static void |
46050fe4 ILT |
495 | copy_object (ibfd, obfd) |
496 | bfd *ibfd; | |
497 | bfd *obfd; | |
c0367ba5 | 498 | { |
6c7ed084 | 499 | bfd_vma start; |
ae5d2ff5 | 500 | long symcount; |
596d99ba ILT |
501 | asection **osections = NULL; |
502 | bfd_size_type *gaps = NULL; | |
503 | bfd_size_type max_gap = 0; | |
c0367ba5 | 504 | |
46050fe4 ILT |
505 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
506 | { | |
507 | nonfatal (bfd_get_filename (obfd)); | |
508 | } | |
c0367ba5 | 509 | |
46050fe4 ILT |
510 | if (verbose) |
511 | printf ("copy from %s(%s) to %s(%s)\n", | |
512 | bfd_get_filename(ibfd), bfd_get_target(ibfd), | |
513 | bfd_get_filename(obfd), bfd_get_target(obfd)); | |
c0367ba5 | 514 | |
6c7ed084 ILT |
515 | if (set_start_set) |
516 | start = set_start; | |
517 | else | |
a6afc090 | 518 | start = bfd_get_start_address (ibfd); |
6c7ed084 ILT |
519 | start += adjust_start; |
520 | ||
521 | if (!bfd_set_start_address (obfd, start) | |
46050fe4 ILT |
522 | || !bfd_set_file_flags (obfd, |
523 | (bfd_get_file_flags (ibfd) | |
524 | & bfd_applicable_file_flags (obfd)))) | |
525 | { | |
526 | nonfatal (bfd_get_filename (ibfd)); | |
527 | } | |
c0367ba5 | 528 | |
46050fe4 ILT |
529 | /* Copy architecture of input file to output file */ |
530 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
531 | bfd_get_mach (ibfd))) | |
532 | { | |
533 | fprintf (stderr, "Output file cannot represent architecture %s\n", | |
534 | bfd_printable_arch_mach (bfd_get_arch (ibfd), | |
535 | bfd_get_mach (ibfd))); | |
536 | } | |
537 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
538 | { | |
539 | nonfatal (bfd_get_filename(ibfd)); | |
540 | } | |
c0367ba5 | 541 | |
46050fe4 ILT |
542 | if (isympp) |
543 | free (isympp); | |
544 | if (osympp != isympp) | |
545 | free (osympp); | |
c0367ba5 | 546 | |
77ccab3c JL |
547 | /* bfd mandates that all output sections be created and sizes set before |
548 | any output is done. Thus, we traverse all sections multiple times. */ | |
549 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
550 | ||
5ab41086 ILT |
551 | if (add_sections != NULL) |
552 | { | |
553 | struct section_add *padd; | |
554 | struct section_list *pset; | |
555 | ||
556 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
557 | { | |
558 | padd->section = bfd_make_section (obfd, padd->name); | |
559 | if (padd->section == NULL) | |
560 | { | |
561 | fprintf (stderr, "%s: can't create section `%s': %s\n", | |
562 | program_name, padd->name, | |
563 | bfd_errmsg (bfd_get_error ())); | |
564 | status = 1; | |
565 | return; | |
566 | } | |
567 | else | |
568 | { | |
569 | flagword flags; | |
570 | ||
571 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) | |
572 | nonfatal (bfd_get_filename (obfd)); | |
573 | ||
574 | pset = find_section_list (padd->name, false); | |
575 | if (pset != NULL) | |
576 | pset->used = true; | |
577 | ||
578 | if (pset != NULL && pset->set_flags) | |
579 | flags = pset->flags | SEC_HAS_CONTENTS; | |
580 | else | |
581 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
582 | if (! bfd_set_section_flags (obfd, padd->section, flags)) | |
583 | nonfatal (bfd_get_filename (obfd)); | |
584 | ||
585 | if (pset != NULL | |
586 | && (pset->adjust == adjust_vma | |
587 | || pset->adjust == set_vma)) | |
588 | { | |
589 | if (! bfd_set_section_vma (obfd, padd->section, pset->val)) | |
590 | nonfatal (bfd_get_filename (obfd)); | |
591 | } | |
592 | } | |
593 | } | |
594 | } | |
595 | ||
87a15686 | 596 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
597 | { |
598 | asection **set; | |
599 | unsigned int c, i; | |
600 | ||
87a15686 ILT |
601 | /* We must fill in gaps between the sections and/or we must pad |
602 | the last section to a specified address. We do this by | |
596d99ba | 603 | grabbing a list of the sections, sorting them by VMA, and |
87a15686 ILT |
604 | increasing the section sizes as required to fill the gaps. |
605 | We write out the gap contents below. */ | |
596d99ba ILT |
606 | |
607 | c = bfd_count_sections (obfd); | |
608 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
609 | set = osections; | |
610 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
611 | ||
612 | qsort (osections, c, sizeof (asection *), compare_section_vma); | |
613 | ||
614 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
87a15686 ILT |
615 | memset (gaps, 0, c * sizeof (bfd_size_type)); |
616 | ||
617 | if (gap_fill_set) | |
618 | { | |
619 | for (i = 0; i < c - 1; i++) | |
620 | { | |
621 | flagword flags; | |
622 | bfd_size_type size; | |
623 | bfd_vma gap_start, gap_stop; | |
624 | ||
625 | flags = bfd_get_section_flags (obfd, osections[i]); | |
626 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
627 | || (flags & SEC_LOAD) == 0) | |
628 | continue; | |
629 | ||
630 | size = bfd_section_size (obfd, osections[i]); | |
631 | gap_start = bfd_section_vma (obfd, osections[i]) + size; | |
632 | gap_stop = bfd_section_vma (obfd, osections[i + 1]); | |
633 | if (gap_start < gap_stop) | |
634 | { | |
635 | if (! bfd_set_section_size (obfd, osections[i], | |
636 | size + (gap_stop - gap_start))) | |
637 | { | |
638 | fprintf (stderr, "%s: Can't fill gap after %s: %s\n", | |
639 | program_name, | |
640 | bfd_get_section_name (obfd, osections[i]), | |
641 | bfd_errmsg (bfd_get_error())); | |
642 | status = 1; | |
643 | break; | |
644 | } | |
645 | gaps[i] = gap_stop - gap_start; | |
646 | if (max_gap < gap_stop - gap_start) | |
647 | max_gap = gap_stop - gap_start; | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
652 | if (pad_to_set) | |
596d99ba | 653 | { |
87a15686 | 654 | bfd_vma vma; |
596d99ba | 655 | bfd_size_type size; |
87a15686 ILT |
656 | |
657 | vma = bfd_section_vma (obfd, osections[c - 1]); | |
658 | size = bfd_section_size (obfd, osections[c - 1]); | |
659 | if (vma + size < pad_to) | |
596d99ba | 660 | { |
87a15686 ILT |
661 | if (! bfd_set_section_size (obfd, osections[c - 1], |
662 | pad_to - vma)) | |
596d99ba | 663 | { |
87a15686 | 664 | fprintf (stderr, "%s: Can't add padding to %s: %s\n", |
596d99ba | 665 | program_name, |
87a15686 ILT |
666 | bfd_get_section_name (obfd, osections[c - 1]), |
667 | bfd_errmsg (bfd_get_error ())); | |
596d99ba | 668 | status = 1; |
596d99ba | 669 | } |
87a15686 ILT |
670 | else |
671 | { | |
672 | gaps[c - 1] = pad_to - (vma + size); | |
673 | if (max_gap < pad_to - (vma + size)) | |
674 | max_gap = pad_to - (vma + size); | |
675 | } | |
596d99ba | 676 | } |
87a15686 | 677 | } |
596d99ba ILT |
678 | } |
679 | ||
77ccab3c JL |
680 | /* Symbol filtering must happen after the output sections have |
681 | been created, but before their contents are set. */ | |
46050fe4 ILT |
682 | if (strip_symbols == strip_all && discard_locals == locals_undef) |
683 | { | |
684 | osympp = isympp = NULL; | |
685 | symcount = 0; | |
c0367ba5 | 686 | } |
46050fe4 ILT |
687 | else |
688 | { | |
ae5d2ff5 ILT |
689 | long symsize; |
690 | ||
691 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
692 | if (symsize < 0) | |
693 | { | |
694 | nonfatal (bfd_get_filename (ibfd)); | |
695 | } | |
696 | ||
697 | osympp = isympp = (asymbol **) xmalloc (symsize); | |
46050fe4 | 698 | symcount = bfd_canonicalize_symtab (ibfd, isympp); |
ae5d2ff5 ILT |
699 | if (symcount < 0) |
700 | { | |
701 | nonfatal (bfd_get_filename (ibfd)); | |
702 | } | |
46050fe4 | 703 | |
4af19c61 KR |
704 | if (strip_symbols == strip_debug |
705 | || discard_locals != locals_undef | |
5ab41086 ILT |
706 | || strip_specific_list |
707 | || sections_removed) | |
c0367ba5 | 708 | { |
77ccab3c JL |
709 | /* Mark symbols used in output relocations so that they |
710 | are kept, even if they are local labels or static symbols. | |
711 | ||
712 | Note we iterate over the input sections examining their | |
713 | relocations since the relocations for the output sections | |
714 | haven't been set yet. mark_symbols_used_in_relocations will | |
715 | ignore input sections which have no corresponding output | |
716 | section. */ | |
717 | bfd_map_over_sections (ibfd, | |
718 | mark_symbols_used_in_relocations, | |
6c7ed084 | 719 | (PTR)isympp); |
46050fe4 ILT |
720 | osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); |
721 | symcount = filter_symbols (ibfd, osympp, isympp, symcount); | |
c0367ba5 | 722 | } |
46050fe4 ILT |
723 | } |
724 | ||
725 | bfd_set_symtab (obfd, osympp, symcount); | |
c0367ba5 | 726 | |
77ccab3c | 727 | /* This has to happen after the symbol table has been set. */ |
f7b839f7 | 728 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); |
6f9077cd | 729 | |
5ab41086 ILT |
730 | if (add_sections != NULL) |
731 | { | |
732 | struct section_add *padd; | |
733 | ||
734 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
735 | { | |
736 | if (! bfd_set_section_contents (obfd, padd->section, | |
737 | (PTR) padd->contents, | |
738 | (file_ptr) 0, | |
739 | (bfd_size_type) padd->size)) | |
740 | nonfatal (bfd_get_filename (obfd)); | |
741 | } | |
742 | } | |
743 | ||
87a15686 | 744 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
745 | { |
746 | bfd_byte *buf; | |
747 | int c, i; | |
748 | ||
749 | /* Fill in the gaps. */ | |
750 | ||
751 | if (max_gap > 8192) | |
752 | max_gap = 8192; | |
753 | buf = (bfd_byte *) xmalloc (max_gap); | |
754 | memset (buf, gap_fill, max_gap); | |
755 | ||
756 | c = bfd_count_sections (obfd); | |
87a15686 | 757 | for (i = 0; i < c; i++) |
596d99ba ILT |
758 | { |
759 | if (gaps[i] != 0) | |
760 | { | |
761 | bfd_size_type left; | |
762 | file_ptr off; | |
763 | ||
764 | left = gaps[i]; | |
765 | off = bfd_section_size (obfd, osections[i]) - left; | |
766 | while (left > 0) | |
767 | { | |
768 | bfd_size_type now; | |
769 | ||
770 | if (left > 8192) | |
771 | now = 8192; | |
772 | else | |
773 | now = left; | |
774 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
775 | off, now)) | |
776 | { | |
777 | nonfatal (bfd_get_filename (obfd)); | |
596d99ba ILT |
778 | } |
779 | left -= now; | |
780 | off += now; | |
781 | } | |
782 | } | |
783 | } | |
784 | } | |
785 | ||
6f9077cd JM |
786 | /* Allow the BFD backend to copy any private data it understands |
787 | from the input BFD to the output BFD. This is done last to | |
788 | permit the routine to look at the filtered symbol table, which is | |
789 | important for the ECOFF code at least. */ | |
790 | if (!bfd_copy_private_bfd_data (ibfd, obfd)) | |
791 | { | |
792 | fprintf (stderr, "%s: %s: error copying private BFD data: %s\n", | |
793 | program_name, bfd_get_filename (obfd), | |
794 | bfd_errmsg (bfd_get_error ())); | |
795 | status = 1; | |
796 | return; | |
797 | } | |
c0367ba5 | 798 | } |
46050fe4 ILT |
799 | |
800 | static char * | |
801 | cat (a, b, c) | |
802 | char *a; | |
803 | char *b; | |
804 | char *c; | |
c0367ba5 | 805 | { |
46050fe4 ILT |
806 | size_t size = strlen (a) + strlen (b) + strlen (c); |
807 | char *r = xmalloc (size + 1); | |
808 | ||
809 | strcpy (r, a); | |
810 | strcat (r, b); | |
811 | strcat (r, c); | |
812 | return r; | |
c0367ba5 ILT |
813 | } |
814 | ||
46050fe4 ILT |
815 | /* Read each archive element in turn from IBFD, copy the |
816 | contents to temp file, and keep the temp file handle. */ | |
817 | ||
818 | static void | |
819 | copy_archive (ibfd, obfd, output_target) | |
820 | bfd *ibfd; | |
821 | bfd *obfd; | |
822 | char *output_target; | |
c0367ba5 | 823 | { |
87a15686 ILT |
824 | struct name_list |
825 | { | |
826 | struct name_list *next; | |
827 | char *name; | |
828 | } *list, *l; | |
46050fe4 ILT |
829 | bfd **ptr = &obfd->archive_head; |
830 | bfd *this_element; | |
90f6517d | 831 | char *dir = make_tempname (bfd_get_filename (obfd)); |
46050fe4 ILT |
832 | |
833 | /* Make a temp directory to hold the contents. */ | |
90f6517d | 834 | mkdir (dir, 0700); |
46050fe4 ILT |
835 | obfd->has_armap = ibfd->has_armap; |
836 | ||
87a15686 ILT |
837 | list = NULL; |
838 | ||
46050fe4 | 839 | this_element = bfd_openr_next_archived_file (ibfd, NULL); |
46050fe4 ILT |
840 | while (this_element != (bfd *) NULL) |
841 | { | |
842 | /* Create an output file for this member. */ | |
843 | char *output_name = cat (dir, "/", bfd_get_filename(this_element)); | |
844 | bfd *output_bfd = bfd_openw (output_name, output_target); | |
87a15686 ILT |
845 | bfd *last_element; |
846 | ||
847 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
848 | l->name = output_name; | |
849 | l->next = list; | |
850 | list = l; | |
46050fe4 ILT |
851 | |
852 | if (output_bfd == (bfd *) NULL) | |
853 | { | |
854 | nonfatal (output_name); | |
c0367ba5 | 855 | } |
46050fe4 ILT |
856 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
857 | { | |
858 | nonfatal (bfd_get_filename (obfd)); | |
c0367ba5 ILT |
859 | } |
860 | ||
46050fe4 ILT |
861 | if (bfd_check_format (this_element, bfd_object) == true) |
862 | { | |
863 | copy_object (this_element, output_bfd); | |
864 | } | |
c0367ba5 | 865 | |
46050fe4 | 866 | bfd_close (output_bfd); |
87a15686 ILT |
867 | |
868 | /* Open the newly output file and attach to our list. */ | |
46050fe4 | 869 | output_bfd = bfd_openr (output_name, output_target); |
c0367ba5 | 870 | |
46050fe4 ILT |
871 | *ptr = output_bfd; |
872 | ptr = &output_bfd->next; | |
87a15686 ILT |
873 | |
874 | last_element = this_element; | |
875 | ||
876 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
877 | ||
878 | bfd_close (last_element); | |
c0367ba5 | 879 | } |
46050fe4 | 880 | *ptr = (bfd *) NULL; |
c0367ba5 | 881 | |
46050fe4 ILT |
882 | if (!bfd_close (obfd)) |
883 | { | |
884 | nonfatal (bfd_get_filename (obfd)); | |
c0367ba5 | 885 | } |
c0367ba5 | 886 | |
87a15686 ILT |
887 | /* Delete all the files that we opened. */ |
888 | for (l = list; l != NULL; l = l->next) | |
889 | unlink (l->name); | |
46050fe4 | 890 | rmdir (dir); |
87a15686 | 891 | |
46050fe4 ILT |
892 | if (!bfd_close (ibfd)) |
893 | { | |
894 | nonfatal (bfd_get_filename (ibfd)); | |
895 | } | |
c0367ba5 ILT |
896 | } |
897 | ||
46050fe4 ILT |
898 | /* The top-level control. */ |
899 | ||
900 | static void | |
901 | copy_file (input_filename, output_filename, input_target, output_target) | |
902 | char *input_filename; | |
903 | char *output_filename; | |
904 | char *input_target; | |
905 | char *output_target; | |
c0367ba5 | 906 | { |
46050fe4 | 907 | bfd *ibfd; |
cef35d48 | 908 | char **matching; |
c0367ba5 ILT |
909 | |
910 | /* To allow us to do "strip *" without dying on the first | |
911 | non-object file, failures are nonfatal. */ | |
912 | ||
46050fe4 | 913 | ibfd = bfd_openr (input_filename, input_target); |
c0367ba5 ILT |
914 | if (ibfd == NULL) |
915 | { | |
46050fe4 | 916 | nonfatal (input_filename); |
c0367ba5 ILT |
917 | } |
918 | ||
cef35d48 DM |
919 | if (bfd_check_format (ibfd, bfd_archive)) |
920 | { | |
6c7ed084 ILT |
921 | bfd *obfd; |
922 | ||
923 | /* bfd_get_target does not return the correct value until | |
924 | bfd_check_format succeeds. */ | |
925 | if (output_target == NULL) | |
926 | output_target = bfd_get_target (ibfd); | |
927 | ||
928 | obfd = bfd_openw (output_filename, output_target); | |
cef35d48 DM |
929 | if (obfd == NULL) |
930 | { | |
931 | nonfatal (output_filename); | |
932 | } | |
933 | copy_archive (ibfd, obfd, output_target); | |
934 | } | |
935 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
46050fe4 | 936 | { |
6c7ed084 ILT |
937 | bfd *obfd; |
938 | ||
939 | /* bfd_get_target does not return the correct value until | |
940 | bfd_check_format succeeds. */ | |
941 | if (output_target == NULL) | |
942 | output_target = bfd_get_target (ibfd); | |
943 | ||
944 | obfd = bfd_openw (output_filename, output_target); | |
46050fe4 ILT |
945 | if (obfd == NULL) |
946 | { | |
947 | nonfatal (output_filename); | |
948 | } | |
c0367ba5 | 949 | |
46050fe4 | 950 | copy_object (ibfd, obfd); |
c0367ba5 | 951 | |
46050fe4 ILT |
952 | if (!bfd_close (obfd)) |
953 | { | |
954 | nonfatal (output_filename); | |
955 | } | |
956 | ||
957 | if (!bfd_close (ibfd)) | |
958 | { | |
959 | nonfatal (input_filename); | |
960 | } | |
961 | } | |
cef35d48 | 962 | else |
46050fe4 | 963 | { |
cef35d48 | 964 | bfd_nonfatal (input_filename); |
c9563567 | 965 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
46050fe4 | 966 | { |
cef35d48 DM |
967 | list_matching_formats (matching); |
968 | free (matching); | |
46050fe4 | 969 | } |
cef35d48 | 970 | status = 1; |
46050fe4 ILT |
971 | } |
972 | } | |
973 | ||
974 | /* Create a section in OBFD with the same name and attributes | |
975 | as ISECTION in IBFD. */ | |
c0367ba5 | 976 | |
c0367ba5 | 977 | static void |
6c7ed084 | 978 | setup_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
979 | bfd *ibfd; |
980 | sec_ptr isection; | |
6c7ed084 | 981 | PTR obfdarg; |
c0367ba5 | 982 | { |
6c7ed084 ILT |
983 | bfd *obfd = (bfd *) obfdarg; |
984 | struct section_list *p; | |
46050fe4 | 985 | sec_ptr osection; |
6c7ed084 | 986 | bfd_vma vma; |
5ab41086 | 987 | flagword flags; |
46050fe4 ILT |
988 | char *err; |
989 | ||
990 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
991 | && (strip_symbols == strip_debug | |
992 | || strip_symbols == strip_all | |
993 | || discard_locals == locals_all)) | |
994 | return; | |
995 | ||
5ab41086 ILT |
996 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
997 | if (p != NULL) | |
998 | p->used = true; | |
999 | ||
1000 | if (p != NULL && p->remove) | |
1001 | return; | |
6c7ed084 | 1002 | |
77ccab3c | 1003 | osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection)); |
46050fe4 ILT |
1004 | if (osection == NULL) |
1005 | { | |
77ccab3c JL |
1006 | err = "making"; |
1007 | goto loser; | |
c0367ba5 ILT |
1008 | } |
1009 | ||
46050fe4 ILT |
1010 | if (!bfd_set_section_size (obfd, |
1011 | osection, | |
1012 | bfd_section_size (ibfd, isection))) | |
1013 | { | |
1014 | err = "size"; | |
1015 | goto loser; | |
c0367ba5 ILT |
1016 | } |
1017 | ||
6c7ed084 | 1018 | vma = bfd_section_vma (ibfd, isection); |
5ab41086 ILT |
1019 | if (p != NULL && p->adjust == adjust_vma) |
1020 | vma += p->val; | |
1021 | else if (p != NULL && p->adjust == set_vma) | |
1022 | vma = p->val; | |
1023 | else | |
6c7ed084 | 1024 | vma += adjust_section_vma; |
6c7ed084 | 1025 | if (! bfd_set_section_vma (obfd, osection, vma)) |
46050fe4 ILT |
1026 | { |
1027 | err = "vma"; | |
1028 | goto loser; | |
1029 | } | |
c0367ba5 | 1030 | |
46050fe4 ILT |
1031 | if (bfd_set_section_alignment (obfd, |
1032 | osection, | |
1033 | bfd_section_alignment (ibfd, isection)) | |
1034 | == false) | |
1035 | { | |
1036 | err = "alignment"; | |
1037 | goto loser; | |
1038 | } | |
c0367ba5 | 1039 | |
842eba66 | 1040 | flags = bfd_get_section_flags (ibfd, isection); |
5ab41086 | 1041 | if (p != NULL && p->set_flags) |
842eba66 | 1042 | flags = p->flags | (flags & SEC_HAS_CONTENTS); |
5ab41086 | 1043 | if (!bfd_set_section_flags (obfd, osection, flags)) |
46050fe4 ILT |
1044 | { |
1045 | err = "flags"; | |
1046 | goto loser; | |
c0367ba5 ILT |
1047 | } |
1048 | ||
c9563567 JL |
1049 | /* This used to be mangle_section; we do here to avoid using |
1050 | bfd_get_section_by_name since some formats allow multiple | |
1051 | sections with the same name. */ | |
1052 | isection->output_section = osection; | |
1053 | isection->output_offset = 0; | |
1054 | ||
77ccab3c JL |
1055 | /* Allow the BFD backend to copy any private data it understands |
1056 | from the input section to the output section. */ | |
1057 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1058 | { | |
1059 | err = "private data"; | |
1060 | goto loser; | |
1061 | } | |
1062 | ||
46050fe4 ILT |
1063 | /* All went well */ |
1064 | return; | |
c0367ba5 ILT |
1065 | |
1066 | loser: | |
46050fe4 ILT |
1067 | fprintf (stderr, "%s: %s: section `%s': error in %s: %s\n", |
1068 | program_name, | |
1069 | bfd_get_filename (ibfd), bfd_section_name (ibfd, isection), | |
c9563567 | 1070 | err, bfd_errmsg (bfd_get_error ())); |
46050fe4 ILT |
1071 | status = 1; |
1072 | } | |
1073 | ||
1074 | /* Copy the data of input section ISECTION of IBFD | |
1075 | to an output section with the same name in OBFD. | |
1076 | If stripping then don't copy any relocation info. */ | |
1077 | ||
c0367ba5 | 1078 | static void |
6c7ed084 | 1079 | copy_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1080 | bfd *ibfd; |
1081 | sec_ptr isection; | |
6c7ed084 | 1082 | PTR obfdarg; |
c0367ba5 | 1083 | { |
6c7ed084 ILT |
1084 | bfd *obfd = (bfd *) obfdarg; |
1085 | struct section_list *p; | |
46050fe4 | 1086 | arelent **relpp; |
ae5d2ff5 | 1087 | long relcount; |
46050fe4 ILT |
1088 | sec_ptr osection; |
1089 | bfd_size_type size; | |
1090 | ||
1091 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
1092 | && (strip_symbols == strip_debug | |
1093 | || strip_symbols == strip_all | |
1094 | || discard_locals == locals_all)) | |
1095 | { | |
1096 | return; | |
1097 | } | |
c0367ba5 | 1098 | |
5ab41086 ILT |
1099 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1100 | ||
1101 | if (p != NULL && p->remove) | |
1102 | return; | |
6c7ed084 | 1103 | |
77ccab3c | 1104 | osection = isection->output_section; |
46050fe4 | 1105 | size = bfd_get_section_size_before_reloc (isection); |
c0367ba5 | 1106 | |
77ccab3c | 1107 | if (size == 0 || osection == 0) |
c0367ba5 ILT |
1108 | return; |
1109 | ||
ae5d2ff5 ILT |
1110 | if (strip_symbols == strip_all) |
1111 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
46050fe4 | 1112 | else |
c0367ba5 | 1113 | { |
ae5d2ff5 ILT |
1114 | long relsize; |
1115 | ||
1116 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1117 | if (relsize < 0) | |
1118 | { | |
1119 | nonfatal (bfd_get_filename (ibfd)); | |
1120 | } | |
1121 | if (relsize == 0) | |
1122 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1123 | else | |
1124 | { | |
1125 | relpp = (arelent **) xmalloc (relsize); | |
1126 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1127 | if (relcount < 0) | |
1128 | { | |
1129 | nonfatal (bfd_get_filename (ibfd)); | |
1130 | } | |
1131 | bfd_set_reloc (obfd, osection, relpp, relcount); | |
1132 | } | |
c0367ba5 ILT |
1133 | } |
1134 | ||
1135 | isection->_cooked_size = isection->_raw_size; | |
46050fe4 | 1136 | isection->reloc_done = true; |
c0367ba5 | 1137 | |
46050fe4 | 1138 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) |
c0367ba5 | 1139 | { |
46050fe4 | 1140 | PTR memhunk = (PTR) xmalloc ((unsigned) size); |
c0367ba5 | 1141 | |
46050fe4 ILT |
1142 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, |
1143 | size)) | |
1144 | { | |
1145 | nonfatal (bfd_get_filename (ibfd)); | |
1146 | } | |
c0367ba5 | 1147 | |
6f9077cd JM |
1148 | if (copy_byte >= 0) |
1149 | { | |
1150 | filter_bytes (memhunk, &size); | |
1151 | /* The section has gotten smaller. */ | |
1152 | if (!bfd_set_section_size (obfd, osection, size)) | |
1153 | nonfatal (bfd_get_filename (obfd)); | |
1154 | } | |
f7b839f7 | 1155 | |
46050fe4 ILT |
1156 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, |
1157 | size)) | |
1158 | { | |
1159 | nonfatal (bfd_get_filename (obfd)); | |
1160 | } | |
1161 | free (memhunk); | |
c0367ba5 | 1162 | } |
46050fe4 | 1163 | } |
c0367ba5 | 1164 | |
87a15686 ILT |
1165 | /* Get all the sections. This is used when --gap-fill or --pad-to is |
1166 | used. */ | |
596d99ba ILT |
1167 | |
1168 | static void | |
1169 | get_sections (obfd, osection, secppparg) | |
1170 | bfd *obfd; | |
1171 | asection *osection; | |
1172 | PTR secppparg; | |
1173 | { | |
1174 | asection ***secppp = (asection ***) secppparg; | |
1175 | ||
1176 | **secppp = osection; | |
1177 | ++(*secppp); | |
1178 | } | |
1179 | ||
1180 | /* Sort sections by VMA. This is called via qsort, and is used when | |
87a15686 ILT |
1181 | --gap-fill or --pad-to is used. We force non loadable or empty |
1182 | sections to the front, where they are easier to ignore. */ | |
596d99ba ILT |
1183 | |
1184 | static int | |
1185 | compare_section_vma (arg1, arg2) | |
1186 | const PTR arg1; | |
1187 | const PTR arg2; | |
1188 | { | |
1189 | const asection **sec1 = (const asection **) arg1; | |
1190 | const asection **sec2 = (const asection **) arg2; | |
87a15686 ILT |
1191 | flagword flags1, flags2; |
1192 | ||
1193 | /* Sort non loadable sections to the front. */ | |
1194 | flags1 = (*sec1)->flags; | |
1195 | flags2 = (*sec2)->flags; | |
1196 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1197 | || (flags1 & SEC_LOAD) == 0) | |
1198 | { | |
1199 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1200 | && (flags2 & SEC_LOAD) != 0) | |
1201 | return -1; | |
1202 | } | |
1203 | else | |
1204 | { | |
1205 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1206 | || (flags2 & SEC_LOAD) == 0) | |
1207 | return 1; | |
1208 | } | |
596d99ba | 1209 | |
87a15686 | 1210 | /* Sort sections by VMA. */ |
596d99ba ILT |
1211 | if ((*sec1)->vma > (*sec2)->vma) |
1212 | return 1; | |
1213 | else if ((*sec1)->vma < (*sec2)->vma) | |
1214 | return -1; | |
87a15686 ILT |
1215 | |
1216 | /* Sort sections with the same VMA by size. */ | |
1217 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) | |
1218 | return 1; | |
1219 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1220 | return -1; | |
1221 | ||
1222 | return 0; | |
596d99ba ILT |
1223 | } |
1224 | ||
77ccab3c JL |
1225 | /* Mark all the symbols which will be used in output relocations with |
1226 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1227 | ||
1228 | Ignore relocations which will not appear in the output file. */ | |
1229 | ||
1230 | static void | |
6c7ed084 | 1231 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) |
77ccab3c JL |
1232 | bfd *ibfd; |
1233 | sec_ptr isection; | |
6c7ed084 | 1234 | PTR symbolsarg; |
77ccab3c | 1235 | { |
6c7ed084 | 1236 | asymbol **symbols = (asymbol **) symbolsarg; |
ae5d2ff5 | 1237 | long relsize; |
77ccab3c | 1238 | arelent **relpp; |
ae5d2ff5 | 1239 | long relcount, i; |
77ccab3c JL |
1240 | |
1241 | /* Ignore an input section with no corresponding output section. */ | |
1242 | if (isection->output_section == NULL) | |
1243 | return; | |
1244 | ||
ae5d2ff5 ILT |
1245 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1246 | if (relsize < 0) | |
1247 | bfd_fatal (bfd_get_filename (ibfd)); | |
1248 | ||
1249 | relpp = (arelent **) xmalloc (relsize); | |
77ccab3c | 1250 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); |
ae5d2ff5 ILT |
1251 | if (relcount < 0) |
1252 | bfd_fatal (bfd_get_filename (ibfd)); | |
77ccab3c JL |
1253 | |
1254 | /* Examine each symbol used in a relocation. If it's not one of the | |
1255 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
1256 | for (i = 0; i < relcount; i++) | |
1257 | { | |
6c7ed084 ILT |
1258 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1259 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1260 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
77ccab3c JL |
1261 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; |
1262 | } | |
1263 | ||
1264 | if (relpp != NULL) | |
1265 | free (relpp); | |
1266 | } | |
1267 | ||
46050fe4 ILT |
1268 | /* The number of bytes to copy at once. */ |
1269 | #define COPY_BUF 8192 | |
1270 | ||
1271 | /* Copy file FROM to file TO, performing no translations. | |
1272 | Return 0 if ok, -1 if error. */ | |
1273 | ||
1274 | static int | |
1275 | simple_copy (from, to) | |
1276 | char *from, *to; | |
c0367ba5 | 1277 | { |
46050fe4 ILT |
1278 | int fromfd, tofd, nread; |
1279 | char buf[COPY_BUF]; | |
1280 | ||
1281 | fromfd = open (from, O_RDONLY); | |
1282 | if (fromfd < 0) | |
1283 | return -1; | |
1284 | tofd = open (to, O_WRONLY | O_CREAT | O_TRUNC); | |
1285 | if (tofd < 0) | |
1286 | { | |
1287 | close (fromfd); | |
1288 | return -1; | |
1289 | } | |
1290 | while ((nread = read (fromfd, buf, sizeof buf)) > 0) | |
1291 | { | |
1292 | if (write (tofd, buf, nread) != nread) | |
1293 | { | |
1294 | close (fromfd); | |
1295 | close (tofd); | |
1296 | return -1; | |
1297 | } | |
1298 | } | |
1299 | close (fromfd); | |
1300 | close (tofd); | |
1301 | if (nread < 0) | |
1302 | return -1; | |
1303 | return 0; | |
1304 | } | |
c0367ba5 | 1305 | |
46050fe4 ILT |
1306 | #ifndef S_ISLNK |
1307 | #ifdef S_IFLNK | |
1308 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | |
1309 | #else | |
1310 | #define S_ISLNK(m) 0 | |
1311 | #define lstat stat | |
1312 | #endif | |
1313 | #endif | |
1314 | ||
1315 | /* Rename FROM to TO, copying if TO is a link. | |
1316 | Assumes that TO already exists, because FROM is a temp file. | |
1317 | Return 0 if ok, -1 if error. */ | |
1318 | ||
1319 | static int | |
1320 | smart_rename (from, to) | |
1321 | char *from, *to; | |
1322 | { | |
1323 | struct stat s; | |
1324 | int ret = 0; | |
c0367ba5 | 1325 | |
46050fe4 ILT |
1326 | if (lstat (to, &s)) |
1327 | return -1; | |
c0367ba5 | 1328 | |
46050fe4 ILT |
1329 | /* Use rename only if TO is not a symbolic link and has |
1330 | only one hard link. */ | |
1331 | if (!S_ISLNK (s.st_mode) && s.st_nlink == 1) | |
1332 | { | |
1333 | ret = rename (from, to); | |
1334 | if (ret == 0) | |
1335 | { | |
1336 | /* Try to preserve the permission bits and ownership of TO. */ | |
1337 | chmod (to, s.st_mode & 07777); | |
1338 | chown (to, s.st_uid, s.st_gid); | |
1339 | } | |
1340 | } | |
1341 | else | |
1342 | { | |
1343 | ret = simple_copy (from, to); | |
1344 | if (ret == 0) | |
1345 | unlink (from); | |
1346 | } | |
1347 | return ret; | |
1348 | } | |
1349 | ||
1350 | static int | |
1351 | strip_main (argc, argv) | |
1352 | int argc; | |
1353 | char *argv[]; | |
1354 | { | |
1355 | char *input_target = NULL, *output_target = NULL; | |
1356 | boolean show_version = false; | |
1357 | int c, i; | |
5ab41086 | 1358 | struct section_list *p; |
46050fe4 | 1359 | |
4af19c61 | 1360 | while ((c = getopt_long (argc, argv, "I:O:F:R:sSgxXVvN:", |
46050fe4 ILT |
1361 | strip_options, (int *) 0)) != EOF) |
1362 | { | |
1363 | switch (c) | |
1364 | { | |
1365 | case 'I': | |
1366 | input_target = optarg; | |
704bbd0d | 1367 | break; |
46050fe4 ILT |
1368 | case 'O': |
1369 | output_target = optarg; | |
1370 | break; | |
1371 | case 'F': | |
1372 | input_target = output_target = optarg; | |
1373 | break; | |
6c7ed084 | 1374 | case 'R': |
5ab41086 ILT |
1375 | p = find_section_list (optarg, true); |
1376 | p->remove = true; | |
1377 | sections_removed = true; | |
6c7ed084 | 1378 | break; |
46050fe4 | 1379 | case 's': |
c0367ba5 | 1380 | strip_symbols = strip_all; |
46050fe4 ILT |
1381 | break; |
1382 | case 'S': | |
1383 | case 'g': | |
1384 | strip_symbols = strip_debug; | |
1385 | break; | |
4af19c61 KR |
1386 | case 'N': |
1387 | add_strip_symbol (optarg); | |
1388 | break; | |
46050fe4 ILT |
1389 | case 'x': |
1390 | discard_locals = locals_all; | |
1391 | break; | |
1392 | case 'X': | |
1393 | discard_locals = locals_start_L; | |
1394 | break; | |
1395 | case 'v': | |
1396 | verbose = true; | |
1397 | break; | |
1398 | case 'V': | |
1399 | show_version = true; | |
1400 | break; | |
1401 | case 0: | |
1402 | break; /* we've been given a long option */ | |
1403 | case 'h': | |
1404 | strip_usage (stdout, 0); | |
1405 | default: | |
1406 | strip_usage (stderr, 1); | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | if (show_version) | |
1411 | { | |
1412 | printf ("GNU %s version %s\n", program_name, program_version); | |
1413 | exit (0); | |
1414 | } | |
c0367ba5 | 1415 | |
46050fe4 | 1416 | /* Default is to strip all symbols. */ |
4af19c61 KR |
1417 | if (strip_symbols == strip_undef |
1418 | && discard_locals == locals_undef | |
1419 | && strip_specific_list == NULL) | |
46050fe4 ILT |
1420 | strip_symbols = strip_all; |
1421 | ||
1422 | if (output_target == (char *) NULL) | |
1423 | output_target = input_target; | |
1424 | ||
1425 | i = optind; | |
1426 | if (i == argc) | |
1427 | strip_usage (stderr, 1); | |
1428 | ||
1429 | for (; i < argc; i++) | |
1430 | { | |
1431 | int hold_status = status; | |
c0367ba5 | 1432 | |
46050fe4 ILT |
1433 | char *tmpname = make_tempname (argv[i]); |
1434 | status = 0; | |
1435 | copy_file (argv[i], tmpname, input_target, output_target); | |
1436 | if (status == 0) | |
1437 | { | |
1438 | smart_rename (tmpname, argv[i]); | |
1439 | status = hold_status; | |
c0367ba5 | 1440 | } |
46050fe4 ILT |
1441 | else |
1442 | unlink (tmpname); | |
1443 | free (tmpname); | |
1444 | } | |
1445 | ||
1446 | return 0; | |
1447 | } | |
1448 | ||
1449 | static int | |
1450 | copy_main (argc, argv) | |
1451 | int argc; | |
1452 | char *argv[]; | |
1453 | { | |
6c7ed084 | 1454 | char *input_filename = NULL, *output_filename = NULL; |
46050fe4 ILT |
1455 | char *input_target = NULL, *output_target = NULL; |
1456 | boolean show_version = false; | |
6c7ed084 | 1457 | boolean adjust_warn = true; |
46050fe4 | 1458 | int c; |
6c7ed084 | 1459 | struct section_list *p; |
46050fe4 | 1460 | |
4af19c61 | 1461 | while ((c = getopt_long (argc, argv, "b:i:I:s:O:d:F:R:SgxXVvN:", |
46050fe4 ILT |
1462 | copy_options, (int *) 0)) != EOF) |
1463 | { | |
1464 | switch (c) | |
1465 | { | |
f7b839f7 DM |
1466 | case 'b': |
1467 | copy_byte = atoi(optarg); | |
1468 | if (copy_byte < 0) | |
1469 | { | |
1470 | fprintf (stderr, "%s: byte number must be non-negative\n", | |
1471 | program_name); | |
1472 | exit (1); | |
1473 | } | |
1474 | break; | |
1475 | case 'i': | |
1476 | interleave = atoi(optarg); | |
1477 | if (interleave < 1) | |
1478 | { | |
1479 | fprintf(stderr, "%s: interleave must be positive\n", | |
1480 | program_name); | |
1481 | exit (1); | |
1482 | } | |
1483 | break; | |
c0367ba5 | 1484 | case 'I': |
46050fe4 | 1485 | case 's': /* "source" - 'I' is preferred */ |
c0367ba5 | 1486 | input_target = optarg; |
704bbd0d | 1487 | break; |
c0367ba5 | 1488 | case 'O': |
46050fe4 | 1489 | case 'd': /* "destination" - 'O' is preferred */ |
c0367ba5 ILT |
1490 | output_target = optarg; |
1491 | break; | |
1492 | case 'F': | |
c0367ba5 ILT |
1493 | input_target = output_target = optarg; |
1494 | break; | |
6c7ed084 | 1495 | case 'R': |
5ab41086 ILT |
1496 | p = find_section_list (optarg, true); |
1497 | p->remove = true; | |
1498 | sections_removed = true; | |
6c7ed084 | 1499 | break; |
c0367ba5 ILT |
1500 | case 'S': |
1501 | strip_symbols = strip_all; | |
1502 | break; | |
1503 | case 'g': | |
1504 | strip_symbols = strip_debug; | |
1505 | break; | |
4af19c61 KR |
1506 | case 'N': |
1507 | add_strip_symbol (optarg); | |
1508 | break; | |
c0367ba5 ILT |
1509 | case 'x': |
1510 | discard_locals = locals_all; | |
1511 | break; | |
1512 | case 'X': | |
1513 | discard_locals = locals_start_L; | |
1514 | break; | |
1515 | case 'v': | |
1516 | verbose = true; | |
1517 | break; | |
1518 | case 'V': | |
1519 | show_version = true; | |
1520 | break; | |
5ab41086 ILT |
1521 | case OPTION_ADD_SECTION: |
1522 | { | |
1523 | const char *s; | |
1524 | struct stat st; | |
1525 | struct section_add *pa; | |
1526 | int len; | |
1527 | char *name; | |
1528 | FILE *f; | |
1529 | ||
1530 | s = strchr (optarg, '='); | |
1531 | if (s == NULL) | |
1532 | { | |
1533 | fprintf (stderr, | |
1534 | "%s: bad format for --add-section NAME=FILENAME\n", | |
1535 | program_name); | |
1536 | exit (1); | |
1537 | } | |
1538 | ||
1539 | if (stat (s + 1, &st) < 0) | |
1540 | { | |
1541 | fprintf (stderr, "%s: ", program_name); | |
1542 | perror (s + 1); | |
1543 | exit (1); | |
1544 | } | |
1545 | ||
1546 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
1547 | ||
1548 | len = s - optarg; | |
1549 | name = (char *) xmalloc (len + 1); | |
1550 | strncpy (name, optarg, len); | |
1551 | name[len] = '\0'; | |
1552 | pa->name = name; | |
1553 | ||
1554 | pa->filename = s + 1; | |
1555 | ||
1556 | pa->size = st.st_size; | |
1557 | ||
1558 | pa->contents = xmalloc (pa->size); | |
1559 | f = fopen (pa->filename, FOPEN_RB); | |
1560 | if (f == NULL) | |
1561 | { | |
1562 | fprintf (stderr, "%s: ", program_name); | |
1563 | perror (pa->filename); | |
1564 | exit (1); | |
1565 | } | |
1566 | if (fread (pa->contents, 1, pa->size, f) == 0 | |
1567 | || ferror (f)) | |
1568 | { | |
1569 | fprintf (stderr, "%s: %s: fread failed\n", | |
1570 | program_name, pa->filename); | |
1571 | exit (1); | |
1572 | } | |
1573 | fclose (f); | |
1574 | ||
1575 | pa->next = add_sections; | |
1576 | add_sections = pa; | |
1577 | } | |
1578 | break; | |
6c7ed084 ILT |
1579 | case OPTION_ADJUST_START: |
1580 | adjust_start = parse_vma (optarg, "--adjust-start"); | |
1581 | break; | |
1582 | case OPTION_ADJUST_SECTION_VMA: | |
1583 | { | |
1584 | const char *s; | |
1585 | int len; | |
1586 | char *name; | |
1587 | ||
6c7ed084 | 1588 | s = strchr (optarg, '='); |
5ab41086 | 1589 | if (s == NULL) |
6c7ed084 ILT |
1590 | { |
1591 | s = strchr (optarg, '+'); | |
1592 | if (s == NULL) | |
1593 | { | |
1594 | s = strchr (optarg, '-'); | |
1595 | if (s == NULL) | |
1596 | { | |
1597 | fprintf (stderr, | |
1598 | "%s: bad format for --adjust-section-vma\n", | |
1599 | program_name); | |
1600 | exit (1); | |
1601 | } | |
1602 | } | |
6c7ed084 ILT |
1603 | } |
1604 | ||
1605 | len = s - optarg; | |
1606 | name = (char *) xmalloc (len + 1); | |
1607 | strncpy (name, optarg, len); | |
1608 | name[len] = '\0'; | |
6c7ed084 | 1609 | |
5ab41086 ILT |
1610 | p = find_section_list (name, true); |
1611 | ||
1612 | p->val = parse_vma (s + 1, "--adjust-section-vma"); | |
6c7ed084 | 1613 | |
5ab41086 ILT |
1614 | if (*s == '=') |
1615 | p->adjust = set_vma; | |
1616 | else | |
1617 | { | |
1618 | p->adjust = adjust_vma; | |
1619 | if (*s == '-') | |
1620 | p->val = - p->val; | |
1621 | } | |
6c7ed084 ILT |
1622 | } |
1623 | break; | |
1624 | case OPTION_ADJUST_VMA: | |
1625 | adjust_section_vma = parse_vma (optarg, "--adjust-vma"); | |
1626 | adjust_start = adjust_section_vma; | |
1627 | break; | |
1628 | case OPTION_ADJUST_WARNINGS: | |
1629 | adjust_warn = true; | |
1630 | break; | |
596d99ba ILT |
1631 | case OPTION_GAP_FILL: |
1632 | { | |
1633 | bfd_vma gap_fill_vma; | |
1634 | ||
1635 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
1636 | gap_fill = (bfd_byte) gap_fill_vma; | |
1637 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
1638 | { | |
1639 | fprintf (stderr, "%s: warning: truncating gap-fill from 0x", | |
1640 | program_name); | |
1641 | fprintf_vma (stderr, gap_fill_vma); | |
1642 | fprintf (stderr, "to 0x%x\n", (unsigned int) gap_fill); | |
1643 | } | |
1644 | gap_fill_set = true; | |
1645 | } | |
1646 | break; | |
6c7ed084 ILT |
1647 | case OPTION_NO_ADJUST_WARNINGS: |
1648 | adjust_warn = false; | |
1649 | break; | |
87a15686 ILT |
1650 | case OPTION_PAD_TO: |
1651 | pad_to = parse_vma (optarg, "--pad-to"); | |
1652 | pad_to_set = true; | |
1653 | break; | |
5ab41086 ILT |
1654 | case OPTION_SET_SECTION_FLAGS: |
1655 | { | |
1656 | const char *s; | |
1657 | int len; | |
1658 | char *name; | |
1659 | ||
1660 | s = strchr (optarg, '='); | |
1661 | if (s == NULL) | |
1662 | { | |
1663 | fprintf (stderr, "%s: bad format for --set-section-flags\n", | |
1664 | program_name); | |
1665 | exit (1); | |
1666 | } | |
1667 | ||
1668 | len = s - optarg; | |
1669 | name = (char *) xmalloc (len + 1); | |
1670 | strncpy (name, optarg, len); | |
1671 | name[len] = '\0'; | |
1672 | ||
1673 | p = find_section_list (name, true); | |
1674 | ||
1675 | p->set_flags = true; | |
1676 | p->flags = parse_flags (s + 1); | |
1677 | } | |
1678 | break; | |
6c7ed084 ILT |
1679 | case OPTION_SET_START: |
1680 | set_start = parse_vma (optarg, "--set-start"); | |
1681 | set_start_set = true; | |
1682 | break; | |
46050fe4 | 1683 | case 0: |
c0367ba5 ILT |
1684 | break; /* we've been given a long option */ |
1685 | case 'h': | |
1686 | copy_usage (stdout, 0); | |
1687 | default: | |
1688 | copy_usage (stderr, 1); | |
46050fe4 ILT |
1689 | } |
1690 | } | |
1691 | ||
1692 | if (show_version) | |
1693 | { | |
1694 | printf ("GNU %s version %s\n", program_name, program_version); | |
1695 | exit (0); | |
1696 | } | |
c0367ba5 | 1697 | |
f7b839f7 DM |
1698 | if (copy_byte >= interleave) |
1699 | { | |
1700 | fprintf (stderr, "%s: byte number must be less than interleave\n", | |
1701 | program_name); | |
1702 | exit (1); | |
1703 | } | |
1704 | ||
46050fe4 ILT |
1705 | if (optind == argc || optind + 2 < argc) |
1706 | copy_usage (stderr, 1); | |
c0367ba5 ILT |
1707 | |
1708 | input_filename = argv[optind]; | |
1709 | if (optind + 1 < argc) | |
46050fe4 | 1710 | output_filename = argv[optind + 1]; |
c0367ba5 ILT |
1711 | |
1712 | /* Default is to strip no symbols. */ | |
1713 | if (strip_symbols == strip_undef && discard_locals == locals_undef) | |
46050fe4 | 1714 | strip_symbols = strip_none; |
c0367ba5 ILT |
1715 | |
1716 | if (output_target == (char *) NULL) | |
1717 | output_target = input_target; | |
1718 | ||
46050fe4 ILT |
1719 | /* If there is no destination file then create a temp and rename |
1720 | the result into the input. */ | |
1721 | ||
1722 | if (output_filename == (char *) NULL) | |
1723 | { | |
1724 | char *tmpname = make_tempname (input_filename); | |
1725 | copy_file (input_filename, tmpname, input_target, output_target); | |
1726 | if (status == 0) | |
1727 | smart_rename (tmpname, input_filename); | |
1728 | else | |
1729 | unlink (tmpname); | |
1730 | } | |
1731 | else | |
1732 | { | |
1733 | copy_file (input_filename, output_filename, input_target, output_target); | |
1734 | } | |
1735 | ||
6c7ed084 ILT |
1736 | if (adjust_warn) |
1737 | { | |
1738 | for (p = adjust_sections; p != NULL; p = p->next) | |
1739 | { | |
5ab41086 | 1740 | if (! p->used && p->adjust != ignore_vma) |
6c7ed084 ILT |
1741 | { |
1742 | fprintf (stderr, "%s: warning: --adjust-section-vma %s%c0x", | |
1743 | program_name, p->name, | |
5ab41086 | 1744 | p->adjust == set_vma ? '=' : '+'); |
6c7ed084 ILT |
1745 | fprintf_vma (stderr, p->val); |
1746 | fprintf (stderr, " never used\n"); | |
1747 | } | |
1748 | } | |
1749 | } | |
1750 | ||
c0367ba5 ILT |
1751 | return 0; |
1752 | } | |
46050fe4 ILT |
1753 | |
1754 | int | |
1755 | main (argc, argv) | |
1756 | int argc; | |
1757 | char *argv[]; | |
1758 | { | |
1759 | program_name = argv[0]; | |
704bbd0d | 1760 | xmalloc_set_program_name (program_name); |
5ab41086 ILT |
1761 | |
1762 | START_PROGRESS (program_name, 0); | |
1763 | ||
46050fe4 ILT |
1764 | strip_symbols = strip_undef; |
1765 | discard_locals = locals_undef; | |
1766 | ||
1767 | bfd_init (); | |
1768 | ||
1769 | if (is_strip < 0) | |
1770 | { | |
1771 | int i = strlen (program_name); | |
87a15686 | 1772 | is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip") == 0); |
46050fe4 ILT |
1773 | } |
1774 | ||
1775 | if (is_strip) | |
1776 | strip_main (argc, argv); | |
1777 | else | |
1778 | copy_main (argc, argv); | |
1779 | ||
5ab41086 ILT |
1780 | END_PROGRESS (program_name); |
1781 | ||
46050fe4 ILT |
1782 | return status; |
1783 | } |