Commit | Line | Data |
---|---|---|
c0367ba5 | 1 | /* objcopy.c -- copy object file from input to output, optionally massaging it. |
eaa147a6 ILT |
2 | Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 1998 |
3 | Free Software Foundation, Inc. | |
c0367ba5 | 4 | |
46050fe4 ILT |
5 | This file is part of GNU Binutils. |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
eaa147a6 ILT |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
20 | 02111-1307, USA. */ | |
46050fe4 | 21 | \f |
c0367ba5 | 22 | #include "bfd.h" |
5ab41086 | 23 | #include "progress.h" |
c0367ba5 | 24 | #include "bucomm.h" |
f5818d79 | 25 | #include "getopt.h" |
6c7ed084 | 26 | #include "libiberty.h" |
f5818d79 | 27 | #include "budbg.h" |
28b5eb12 | 28 | #include <sys/stat.h> |
c0367ba5 | 29 | |
8d2e72a1 RH |
30 | #ifdef HAVE_GOOD_UTIME_H |
31 | #include <utime.h> | |
32 | #else /* ! HAVE_GOOD_UTIME_H */ | |
33 | #ifdef HAVE_UTIMES | |
34 | #include <sys/time.h> | |
35 | #endif /* HAVE_UTIMES */ | |
36 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
37 | ||
25fd0ed4 ILT |
38 | /* A list of symbols to explicitly strip out, or to keep. A linked |
39 | list is good enough for a small number from the command line, but | |
40 | this will slow things down a lot if many symbols are being | |
41 | deleted. */ | |
42 | ||
43 | struct symlist | |
44 | { | |
45 | const char *name; | |
46 | struct symlist *next; | |
47 | }; | |
48 | ||
8d2e72a1 RH |
49 | static void copy_usage PARAMS ((FILE *, int)); |
50 | static void strip_usage PARAMS ((FILE *, int)); | |
5ab41086 | 51 | static flagword parse_flags PARAMS ((const char *)); |
5ab41086 | 52 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); |
6c7ed084 ILT |
53 | static void setup_section PARAMS ((bfd *, asection *, PTR)); |
54 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
596d99ba | 55 | static void get_sections PARAMS ((bfd *, asection *, PTR)); |
22947e96 | 56 | static int compare_section_lma PARAMS ((const PTR, const PTR)); |
25fd0ed4 ILT |
57 | static void add_specific_symbol PARAMS ((const char *, struct symlist **)); |
58 | static boolean is_specified_symbol PARAMS ((const char *, struct symlist *)); | |
5ab41086 | 59 | static boolean is_strip_section PARAMS ((bfd *, asection *)); |
4af19c61 | 60 | static unsigned int filter_symbols |
8d2e72a1 | 61 | PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long)); |
6c7ed084 | 62 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); |
8d2e72a1 | 63 | static void filter_bytes PARAMS ((char *, bfd_size_type *)); |
f5818d79 | 64 | static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***)); |
8d2e72a1 RH |
65 | static void copy_object PARAMS ((bfd *, bfd *)); |
66 | static void copy_archive PARAMS ((bfd *, bfd *, const char *)); | |
67 | static void copy_file | |
68 | PARAMS ((const char *, const char *, const char *, const char *)); | |
69 | static int simple_copy PARAMS ((const char *, const char *)); | |
70 | static int smart_rename PARAMS ((const char *, const char *)); | |
71 | static void set_times PARAMS ((const char *, const struct stat *)); | |
72 | static int strip_main PARAMS ((int, char **)); | |
73 | static int copy_main PARAMS ((int, char **)); | |
c0367ba5 | 74 | |
537b2e5e | 75 | #define RETURN_NONFATAL(s) {bfd_nonfatal(s); status = 1; return;} |
c0367ba5 | 76 | |
46050fe4 ILT |
77 | static asymbol **isympp = NULL; /* Input symbols */ |
78 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
f7b839f7 DM |
79 | |
80 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
81 | static int copy_byte = -1; | |
82 | static int interleave = 4; | |
83 | ||
46050fe4 | 84 | static boolean verbose; /* Print file and target names. */ |
22947e96 | 85 | static boolean preserve_dates; /* Preserve input file timestamp. */ |
f7b839f7 | 86 | static int status = 0; /* Exit status. */ |
c0367ba5 ILT |
87 | |
88 | enum strip_action | |
46050fe4 | 89 | { |
537b2e5e NC |
90 | STRIP_UNDEF, |
91 | STRIP_NONE, /* don't strip */ | |
92 | STRIP_DEBUG, /* strip all debugger symbols */ | |
93 | STRIP_UNNEEDED, /* strip unnecessary symbols */ | |
94 | STRIP_ALL /* strip all symbols */ | |
46050fe4 | 95 | }; |
c0367ba5 ILT |
96 | |
97 | /* Which symbols to remove. */ | |
46050fe4 | 98 | static enum strip_action strip_symbols; |
c0367ba5 ILT |
99 | |
100 | enum locals_action | |
46050fe4 | 101 | { |
537b2e5e NC |
102 | LOCALS_UNDEF, |
103 | LOCALS_START_L, /* discard locals starting with L */ | |
104 | LOCALS_ALL /* discard all locals */ | |
46050fe4 ILT |
105 | }; |
106 | ||
537b2e5e | 107 | /* Which local symbols to remove. Overrides STRIP_ALL. */ |
46050fe4 ILT |
108 | static enum locals_action discard_locals; |
109 | ||
537b2e5e NC |
110 | /* What kind of change to perform. */ |
111 | enum change_action | |
112 | { | |
113 | CHANGE_IGNORE, | |
114 | CHANGE_MODIFY, | |
115 | CHANGE_SET | |
116 | }; | |
6c7ed084 | 117 | |
537b2e5e | 118 | /* Structure used to hold lists of sections and actions to take. */ |
6c7ed084 ILT |
119 | struct section_list |
120 | { | |
537b2e5e NC |
121 | struct section_list * next; /* Next section to change. */ |
122 | const char * name; /* Section name. */ | |
123 | boolean used; /* Whether this entry was used. */ | |
124 | boolean remove; /* Whether to remove this section. */ | |
125 | enum change_action change_vma;/* Whether to change or set VMA. */ | |
126 | bfd_vma vma_val; /* Amount to change by or set to. */ | |
127 | enum change_action change_lma;/* Whether to change or set LMA. */ | |
128 | bfd_vma lma_val; /* Amount to change by or set to. */ | |
129 | boolean set_flags; /* Whether to set the section flags. */ | |
130 | flagword flags; /* What to set the section flags to. */ | |
6c7ed084 ILT |
131 | }; |
132 | ||
537b2e5e | 133 | static struct section_list *change_sections; |
5ab41086 | 134 | static boolean sections_removed; |
6c7ed084 | 135 | |
537b2e5e NC |
136 | /* Changes to the start address. */ |
137 | static bfd_vma change_start = 0; | |
6c7ed084 ILT |
138 | static boolean set_start_set = false; |
139 | static bfd_vma set_start; | |
140 | ||
537b2e5e NC |
141 | /* Changes to section addresses. */ |
142 | static bfd_vma change_section_address = 0; | |
6c7ed084 | 143 | |
596d99ba ILT |
144 | /* Filling gaps between sections. */ |
145 | static boolean gap_fill_set = false; | |
87a15686 ILT |
146 | static bfd_byte gap_fill = 0; |
147 | ||
148 | /* Pad to a given address. */ | |
149 | static boolean pad_to_set = false; | |
150 | static bfd_vma pad_to; | |
596d99ba | 151 | |
5ab41086 ILT |
152 | /* List of sections to add. */ |
153 | ||
154 | struct section_add | |
155 | { | |
156 | /* Next section to add. */ | |
157 | struct section_add *next; | |
158 | /* Name of section to add. */ | |
159 | const char *name; | |
160 | /* Name of file holding section contents. */ | |
161 | const char *filename; | |
162 | /* Size of file. */ | |
163 | size_t size; | |
164 | /* Contents of file. */ | |
165 | bfd_byte *contents; | |
166 | /* BFD section, after it has been added. */ | |
167 | asection *section; | |
168 | }; | |
169 | ||
170 | static struct section_add *add_sections; | |
171 | ||
f5818d79 ILT |
172 | /* Whether to convert debugging information. */ |
173 | ||
174 | static boolean convert_debugging = false; | |
175 | ||
8d2e72a1 RH |
176 | /* Whether to change the leading character in symbol names. */ |
177 | ||
178 | static boolean change_leading_char = false; | |
179 | ||
180 | /* Whether to remove the leading character from global symbol names. */ | |
181 | ||
182 | static boolean remove_leading_char = false; | |
183 | ||
25fd0ed4 ILT |
184 | /* List of symbols to strip, keep, localize, and weaken. */ |
185 | ||
186 | static struct symlist *strip_specific_list = NULL; | |
187 | static struct symlist *keep_specific_list = NULL; | |
188 | static struct symlist *localize_specific_list = NULL; | |
189 | static struct symlist *weaken_specific_list = NULL; | |
190 | ||
191 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
192 | ||
193 | static boolean weaken = false; | |
194 | ||
9135e5f8 ILT |
195 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
196 | ||
197 | #define OPTION_ADD_SECTION 150 | |
537b2e5e NC |
198 | #define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1) |
199 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1) | |
200 | #define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1) | |
201 | #define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1) | |
202 | #define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1) | |
203 | #define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1) | |
204 | #define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1) | |
205 | #define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1) | |
f5818d79 | 206 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) |
537b2e5e NC |
207 | #define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1) |
208 | #define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1) | |
8d2e72a1 RH |
209 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) |
210 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
9135e5f8 ILT |
211 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) |
212 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
8d2e72a1 | 213 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) |
9135e5f8 | 214 | |
46050fe4 ILT |
215 | /* Options to handle if running as "strip". */ |
216 | ||
217 | static struct option strip_options[] = | |
c0367ba5 | 218 | { |
46050fe4 ILT |
219 | {"discard-all", no_argument, 0, 'x'}, |
220 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 221 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
46050fe4 | 222 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 223 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 | 224 | {"input-target", required_argument, 0, 'I'}, |
9135e5f8 | 225 | {"keep-symbol", required_argument, 0, 'K'}, |
46050fe4 | 226 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 227 | {"output-target", required_argument, 0, 'O'}, |
8d2e72a1 | 228 | {"preserve-dates", no_argument, 0, 'p'}, |
6c7ed084 | 229 | {"remove-section", required_argument, 0, 'R'}, |
f7b839f7 DM |
230 | {"strip-all", no_argument, 0, 's'}, |
231 | {"strip-debug", no_argument, 0, 'S'}, | |
9135e5f8 | 232 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 233 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 234 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 235 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 236 | {"version", no_argument, 0, 'V'}, |
46050fe4 | 237 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
238 | }; |
239 | ||
46050fe4 | 240 | /* Options to handle if running as "objcopy". */ |
c0367ba5 | 241 | |
46050fe4 ILT |
242 | static struct option copy_options[] = |
243 | { | |
5ab41086 | 244 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, |
537b2e5e NC |
245 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, |
246 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
247 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
248 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
f7b839f7 | 249 | {"byte", required_argument, 0, 'b'}, |
537b2e5e | 250 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, |
8d2e72a1 | 251 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, |
537b2e5e NC |
252 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, |
253 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
254 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
255 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
256 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
f5818d79 | 257 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, |
46050fe4 ILT |
258 | {"discard-all", no_argument, 0, 'x'}, |
259 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 260 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
596d99ba | 261 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, |
46050fe4 | 262 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 263 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 DM |
264 | {"input-target", required_argument, 0, 'I'}, |
265 | {"interleave", required_argument, 0, 'i'}, | |
9135e5f8 | 266 | {"keep-symbol", required_argument, 0, 'K'}, |
537b2e5e NC |
267 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, |
268 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
46050fe4 | 269 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 270 | {"output-target", required_argument, 0, 'O'}, |
87a15686 | 271 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, |
8d2e72a1 | 272 | {"preserve-dates", no_argument, 0, 'p'}, |
246b7c9b | 273 | {"localize-symbol", required_argument, 0, 'L'}, |
8d2e72a1 | 274 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
6c7ed084 | 275 | {"remove-section", required_argument, 0, 'R'}, |
5ab41086 | 276 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
6c7ed084 | 277 | {"set-start", required_argument, 0, OPTION_SET_START}, |
f7b839f7 DM |
278 | {"strip-all", no_argument, 0, 'S'}, |
279 | {"strip-debug", no_argument, 0, 'g'}, | |
9135e5f8 | 280 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 281 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 282 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 283 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 284 | {"version", no_argument, 0, 'V'}, |
8d2e72a1 RH |
285 | {"weaken", no_argument, 0, OPTION_WEAKEN}, |
286 | {"weaken-symbol", required_argument, 0, 'W'}, | |
46050fe4 | 287 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
288 | }; |
289 | ||
290 | /* IMPORTS */ | |
46050fe4 | 291 | extern char *program_name; |
46050fe4 ILT |
292 | |
293 | /* This flag distinguishes between strip and objcopy: | |
294 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
295 | -1 means if we should use argv[0] to decide. */ | |
296 | extern int is_strip; | |
c0367ba5 ILT |
297 | |
298 | ||
46050fe4 | 299 | static void |
5ab41086 | 300 | copy_usage (stream, exit_status) |
c0367ba5 | 301 | FILE *stream; |
5ab41086 | 302 | int exit_status; |
c0367ba5 | 303 | { |
9d04d618 | 304 | fprintf (stream, _("\ |
8d2e72a1 | 305 | Usage: %s [-vVSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\ |
6c7ed084 | 306 | [-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\ |
46050fe4 | 307 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 | 308 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
9d04d618 | 309 | [--discard-locals] [--debugging] [--remove-section=section]\n"), |
5ab41086 | 310 | program_name); |
9d04d618 | 311 | fprintf (stream, _("\ |
8d2e72a1 | 312 | [--gap-fill=val] [--pad-to=address] [--preserve-dates]\n\ |
ce770ed5 NC |
313 | [--set-start=val] \n\ |
314 | [--change-start=incr] [--change-addresses=incr] \n\ | |
315 | (--adjust-start and --adjust-vma are aliases for these two) \n\ | |
537b2e5e NC |
316 | [--change-section-address=section{=,+,-}val]\n\ |
317 | (--adjust-section-vma is an alias for --change-section-address)\n\ | |
318 | [--change-section-lma=section{=,+,-}val]\n\ | |
319 | [--change-section-vma=section{=,+,-}val]\n\ | |
9135e5f8 | 320 | [--adjust-warnings] [--no-adjust-warnings]\n\ |
537b2e5e | 321 | [--change-warnings] [--no-change-warnings]\n\ |
9135e5f8 ILT |
322 | [--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\ |
323 | [--keep-symbol symbol] [-K symbol] [--strip-symbol symbol] [-N symbol]\n\ | |
246b7c9b | 324 | [--localize-symbol symbol] [-L symbol] [--weaken-symbol symbol]\n\ |
8d2e72a1 | 325 | [-W symbol] [--change-leading-char] [--remove-leading-char] [--weaken]\n\ |
9d04d618 | 326 | [--verbose] [--version] [--help] in-file [out-file]\n")); |
be1d162b | 327 | list_supported_targets (program_name, stream); |
8d2e72a1 | 328 | if (exit_status == 0) |
9d04d618 | 329 | fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n")); |
5ab41086 | 330 | exit (exit_status); |
c0367ba5 ILT |
331 | } |
332 | ||
46050fe4 | 333 | static void |
5ab41086 | 334 | strip_usage (stream, exit_status) |
c0367ba5 | 335 | FILE *stream; |
5ab41086 | 336 | int exit_status; |
c0367ba5 | 337 | { |
9d04d618 | 338 | fprintf (stream, _("\ |
8d2e72a1 | 339 | Usage: %s [-vVsSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-R section]\n\ |
46050fe4 | 340 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 ILT |
341 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
342 | [--discard-locals] [--keep-symbol symbol] [-K symbol]\n\ | |
343 | [--strip-symbol symbol] [-N symbol] [--remove-section=section]\n\ | |
9d04d618 | 344 | [-o file] [--preserve-dates] [--verbose] [--version] [--help] file...\n"), |
46050fe4 | 345 | program_name); |
be1d162b | 346 | list_supported_targets (program_name, stream); |
8d2e72a1 | 347 | if (exit_status == 0) |
9d04d618 | 348 | fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n")); |
5ab41086 | 349 | exit (exit_status); |
c0367ba5 ILT |
350 | } |
351 | ||
5ab41086 ILT |
352 | /* Parse section flags into a flagword, with a fatal error if the |
353 | string can't be parsed. */ | |
354 | ||
355 | static flagword | |
356 | parse_flags (s) | |
357 | const char *s; | |
358 | { | |
359 | flagword ret; | |
360 | const char *snext; | |
361 | int len; | |
362 | ||
363 | ret = SEC_NO_FLAGS; | |
364 | ||
365 | do | |
366 | { | |
367 | snext = strchr (s, ','); | |
368 | if (snext == NULL) | |
369 | len = strlen (s); | |
370 | else | |
371 | { | |
372 | len = snext - s; | |
373 | ++snext; | |
374 | } | |
375 | ||
ee1f0bd1 ILT |
376 | if (0) ; |
377 | #define PARSE_FLAG(fname,fval) \ | |
378 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
5ab41086 ILT |
379 | PARSE_FLAG ("alloc", SEC_ALLOC); |
380 | PARSE_FLAG ("load", SEC_LOAD); | |
381 | PARSE_FLAG ("readonly", SEC_READONLY); | |
382 | PARSE_FLAG ("code", SEC_CODE); | |
383 | PARSE_FLAG ("data", SEC_DATA); | |
384 | PARSE_FLAG ("rom", SEC_ROM); | |
ee1f0bd1 | 385 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
5ab41086 | 386 | #undef PARSE_FLAG |
ee1f0bd1 ILT |
387 | else |
388 | { | |
389 | char *copy; | |
390 | ||
391 | copy = xmalloc (len + 1); | |
392 | strncpy (copy, s, len); | |
393 | copy[len] = '\0'; | |
537b2e5e NC |
394 | non_fatal (_("unrecognized section flag `%s'"), copy); |
395 | fatal (_("supported flags: alloc, load, readonly, code, data, rom, contents")); | |
ee1f0bd1 | 396 | } |
5ab41086 ILT |
397 | |
398 | s = snext; | |
399 | } | |
400 | while (s != NULL); | |
401 | ||
402 | return ret; | |
403 | } | |
404 | ||
537b2e5e | 405 | /* Find and optionally add an entry in the change_sections list. */ |
5ab41086 ILT |
406 | |
407 | static struct section_list * | |
408 | find_section_list (name, add) | |
409 | const char *name; | |
410 | boolean add; | |
411 | { | |
412 | register struct section_list *p; | |
413 | ||
537b2e5e | 414 | for (p = change_sections; p != NULL; p = p->next) |
5ab41086 ILT |
415 | if (strcmp (p->name, name) == 0) |
416 | return p; | |
417 | ||
418 | if (! add) | |
419 | return NULL; | |
420 | ||
421 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
422 | p->name = name; | |
423 | p->used = false; | |
424 | p->remove = false; | |
537b2e5e NC |
425 | p->change_vma = CHANGE_IGNORE; |
426 | p->change_lma = CHANGE_IGNORE; | |
427 | p->vma_val = 0; | |
428 | p->lma_val = 0; | |
5ab41086 ILT |
429 | p->set_flags = false; |
430 | p->flags = 0; | |
431 | ||
537b2e5e NC |
432 | p->next = change_sections; |
433 | change_sections = p; | |
5ab41086 ILT |
434 | |
435 | return p; | |
436 | } | |
437 | ||
9135e5f8 ILT |
438 | /* Add a symbol to strip_specific_list. */ |
439 | ||
4af19c61 | 440 | static void |
8d2e72a1 | 441 | add_specific_symbol (name, list) |
4af19c61 | 442 | const char *name; |
8d2e72a1 | 443 | struct symlist **list; |
4af19c61 KR |
444 | { |
445 | struct symlist *tmp_list; | |
446 | ||
447 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
448 | tmp_list->name = name; | |
8d2e72a1 RH |
449 | tmp_list->next = *list; |
450 | *list = tmp_list; | |
4af19c61 KR |
451 | } |
452 | ||
9135e5f8 ILT |
453 | /* See whether a symbol should be stripped or kept based on |
454 | strip_specific_list and keep_symbols. */ | |
455 | ||
5ab41086 | 456 | static boolean |
8d2e72a1 | 457 | is_specified_symbol (name, list) |
4af19c61 | 458 | const char *name; |
8d2e72a1 | 459 | struct symlist *list; |
4af19c61 KR |
460 | { |
461 | struct symlist *tmp_list; | |
462 | ||
8d2e72a1 | 463 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) |
4af19c61 KR |
464 | { |
465 | if (strcmp (name, tmp_list->name) == 0) | |
8d2e72a1 | 466 | return true; |
4af19c61 | 467 | } |
8d2e72a1 | 468 | return false; |
5ab41086 ILT |
469 | } |
470 | ||
471 | /* See if a section is being removed. */ | |
472 | ||
473 | static boolean | |
474 | is_strip_section (abfd, sec) | |
475 | bfd *abfd; | |
476 | asection *sec; | |
477 | { | |
478 | struct section_list *p; | |
479 | ||
be1d162b | 480 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 |
537b2e5e NC |
481 | && (strip_symbols == STRIP_DEBUG |
482 | || strip_symbols == STRIP_UNNEEDED | |
483 | || strip_symbols == STRIP_ALL | |
484 | || discard_locals == LOCALS_ALL | |
f5818d79 | 485 | || convert_debugging)) |
be1d162b ILT |
486 | return true; |
487 | ||
5ab41086 ILT |
488 | if (! sections_removed) |
489 | return false; | |
490 | p = find_section_list (bfd_get_section_name (abfd, sec), false); | |
491 | return p != NULL && p->remove ? true : false; | |
4af19c61 KR |
492 | } |
493 | ||
46050fe4 | 494 | /* Choose which symbol entries to copy; put the result in OSYMS. |
c0367ba5 | 495 | We don't copy in place, because that confuses the relocs. |
46050fe4 ILT |
496 | Return the number of symbols to print. */ |
497 | ||
c0367ba5 | 498 | static unsigned int |
8d2e72a1 | 499 | filter_symbols (abfd, obfd, osyms, isyms, symcount) |
c0367ba5 | 500 | bfd *abfd; |
8d2e72a1 | 501 | bfd *obfd; |
c0367ba5 | 502 | asymbol **osyms, **isyms; |
ae5d2ff5 | 503 | long symcount; |
c0367ba5 ILT |
504 | { |
505 | register asymbol **from = isyms, **to = osyms; | |
ae5d2ff5 | 506 | long src_count = 0, dst_count = 0; |
c0367ba5 | 507 | |
46050fe4 ILT |
508 | for (; src_count < symcount; src_count++) |
509 | { | |
510 | asymbol *sym = from[src_count]; | |
511 | flagword flags = sym->flags; | |
8d2e72a1 | 512 | const char *name = bfd_asymbol_name (sym); |
46050fe4 | 513 | int keep; |
c0367ba5 | 514 | |
8d2e72a1 RH |
515 | if (change_leading_char |
516 | && (bfd_get_symbol_leading_char (abfd) | |
517 | != bfd_get_symbol_leading_char (obfd)) | |
518 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
519 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
520 | { | |
521 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
522 | name = bfd_asymbol_name (sym) = name + 1; | |
523 | else | |
524 | { | |
525 | char *n; | |
526 | ||
527 | n = xmalloc (strlen (name) + 2); | |
528 | n[0] = bfd_get_symbol_leading_char (obfd); | |
529 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
530 | strcpy (n + 1, name); | |
531 | else | |
532 | strcpy (n + 1, name + 1); | |
533 | name = bfd_asymbol_name (sym) = n; | |
534 | } | |
535 | } | |
536 | ||
537 | if (remove_leading_char | |
538 | && ((flags & BSF_GLOBAL) != 0 | |
539 | || (flags & BSF_WEAK) != 0 | |
540 | || bfd_is_und_section (bfd_get_section (sym)) | |
541 | || bfd_is_com_section (bfd_get_section (sym))) | |
542 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
543 | name = bfd_asymbol_name (sym) = name + 1; | |
544 | ||
9135e5f8 | 545 | if ((flags & BSF_KEEP) != 0) /* Used in relocation. */ |
46050fe4 | 546 | keep = 1; |
9135e5f8 | 547 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
8d2e72a1 | 548 | || (flags & BSF_WEAK) != 0 |
9135e5f8 ILT |
549 | || bfd_is_und_section (bfd_get_section (sym)) |
550 | || bfd_is_com_section (bfd_get_section (sym))) | |
537b2e5e | 551 | keep = strip_symbols != STRIP_UNNEEDED; |
46050fe4 | 552 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ |
537b2e5e NC |
553 | keep = (strip_symbols != STRIP_DEBUG |
554 | && strip_symbols != STRIP_UNNEEDED | |
f5818d79 | 555 | && ! convert_debugging); |
46050fe4 | 556 | else /* Local symbol. */ |
537b2e5e NC |
557 | keep = (strip_symbols != STRIP_UNNEEDED |
558 | && (discard_locals != LOCALS_ALL | |
559 | && (discard_locals != LOCALS_START_L | |
9135e5f8 | 560 | || ! bfd_is_local_label (abfd, sym)))); |
4af19c61 | 561 | |
8d2e72a1 | 562 | if (keep && is_specified_symbol (name, strip_specific_list)) |
4af19c61 | 563 | keep = 0; |
8d2e72a1 RH |
564 | if (!keep && is_specified_symbol (name, keep_specific_list)) |
565 | keep = 1; | |
5ab41086 ILT |
566 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) |
567 | keep = 0; | |
4af19c61 | 568 | |
8d2e72a1 RH |
569 | if (keep && (flags & BSF_GLOBAL) != 0 |
570 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
571 | { | |
572 | sym->flags &=~ BSF_GLOBAL; | |
573 | sym->flags |= BSF_WEAK; | |
574 | } | |
575 | if (keep && (flags & (BSF_GLOBAL | BSF_WEAK)) | |
246b7c9b | 576 | && is_specified_symbol (name, localize_specific_list)) |
8d2e72a1 RH |
577 | { |
578 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
579 | sym->flags |= BSF_LOCAL; | |
580 | } | |
581 | ||
46050fe4 ILT |
582 | if (keep) |
583 | to[dst_count++] = sym; | |
c0367ba5 | 584 | } |
c0367ba5 | 585 | |
8d2e72a1 RH |
586 | to[dst_count] = NULL; |
587 | ||
c0367ba5 ILT |
588 | return dst_count; |
589 | } | |
590 | ||
f7b839f7 DM |
591 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
592 | Adjust *SIZE. */ | |
593 | ||
8d2e72a1 | 594 | static void |
f7b839f7 | 595 | filter_bytes (memhunk, size) |
5d2f7e30 | 596 | char *memhunk; |
f7b839f7 DM |
597 | bfd_size_type *size; |
598 | { | |
599 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
600 | ||
601 | for (; from < end; from += interleave) | |
602 | *to++ = *from; | |
603 | *size /= interleave; | |
604 | } | |
605 | ||
46050fe4 ILT |
606 | /* Copy object file IBFD onto OBFD. */ |
607 | ||
c0367ba5 | 608 | static void |
46050fe4 ILT |
609 | copy_object (ibfd, obfd) |
610 | bfd *ibfd; | |
611 | bfd *obfd; | |
c0367ba5 | 612 | { |
6c7ed084 | 613 | bfd_vma start; |
ae5d2ff5 | 614 | long symcount; |
596d99ba ILT |
615 | asection **osections = NULL; |
616 | bfd_size_type *gaps = NULL; | |
617 | bfd_size_type max_gap = 0; | |
c0367ba5 | 618 | |
46050fe4 | 619 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
537b2e5e | 620 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 621 | |
46050fe4 | 622 | if (verbose) |
9d04d618 | 623 | printf (_("copy from %s(%s) to %s(%s)\n"), |
46050fe4 ILT |
624 | bfd_get_filename(ibfd), bfd_get_target(ibfd), |
625 | bfd_get_filename(obfd), bfd_get_target(obfd)); | |
c0367ba5 | 626 | |
6c7ed084 ILT |
627 | if (set_start_set) |
628 | start = set_start; | |
629 | else | |
a6afc090 | 630 | start = bfd_get_start_address (ibfd); |
537b2e5e | 631 | start += change_start; |
6c7ed084 ILT |
632 | |
633 | if (!bfd_set_start_address (obfd, start) | |
46050fe4 ILT |
634 | || !bfd_set_file_flags (obfd, |
635 | (bfd_get_file_flags (ibfd) | |
636 | & bfd_applicable_file_flags (obfd)))) | |
537b2e5e | 637 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
c0367ba5 | 638 | |
46050fe4 ILT |
639 | /* Copy architecture of input file to output file */ |
640 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
641 | bfd_get_mach (ibfd))) | |
537b2e5e | 642 | non_fatal (_("Warning: Output file cannot represent architecture %s"), |
46050fe4 ILT |
643 | bfd_printable_arch_mach (bfd_get_arch (ibfd), |
644 | bfd_get_mach (ibfd))); | |
537b2e5e | 645 | |
46050fe4 | 646 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
537b2e5e | 647 | RETURN_NONFATAL (bfd_get_filename(ibfd)); |
c0367ba5 | 648 | |
46050fe4 ILT |
649 | if (isympp) |
650 | free (isympp); | |
651 | if (osympp != isympp) | |
652 | free (osympp); | |
c0367ba5 | 653 | |
77ccab3c JL |
654 | /* bfd mandates that all output sections be created and sizes set before |
655 | any output is done. Thus, we traverse all sections multiple times. */ | |
656 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
657 | ||
5ab41086 ILT |
658 | if (add_sections != NULL) |
659 | { | |
660 | struct section_add *padd; | |
661 | struct section_list *pset; | |
662 | ||
663 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
664 | { | |
665 | padd->section = bfd_make_section (obfd, padd->name); | |
666 | if (padd->section == NULL) | |
667 | { | |
537b2e5e NC |
668 | non_fatal (_("can't create section `%s': %s"), |
669 | padd->name, bfd_errmsg (bfd_get_error ())); | |
5ab41086 ILT |
670 | status = 1; |
671 | return; | |
672 | } | |
673 | else | |
674 | { | |
675 | flagword flags; | |
676 | ||
677 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) | |
537b2e5e | 678 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 ILT |
679 | |
680 | pset = find_section_list (padd->name, false); | |
681 | if (pset != NULL) | |
682 | pset->used = true; | |
683 | ||
684 | if (pset != NULL && pset->set_flags) | |
685 | flags = pset->flags | SEC_HAS_CONTENTS; | |
686 | else | |
687 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
537b2e5e | 688 | |
5ab41086 | 689 | if (! bfd_set_section_flags (obfd, padd->section, flags)) |
537b2e5e | 690 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 | 691 | |
537b2e5e | 692 | if (pset != NULL) |
5ab41086 | 693 | { |
537b2e5e NC |
694 | if (pset->change_vma != CHANGE_IGNORE) |
695 | if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val)) | |
696 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
697 | ||
698 | if (pset->change_lma != CHANGE_IGNORE) | |
699 | { | |
700 | padd->section->lma = pset->lma_val; | |
701 | ||
702 | if (! bfd_set_section_alignment | |
703 | (obfd, padd->section, | |
704 | bfd_section_alignment (obfd, padd->section))) | |
705 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
706 | } | |
5ab41086 ILT |
707 | } |
708 | } | |
709 | } | |
710 | } | |
711 | ||
87a15686 | 712 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
713 | { |
714 | asection **set; | |
715 | unsigned int c, i; | |
716 | ||
87a15686 ILT |
717 | /* We must fill in gaps between the sections and/or we must pad |
718 | the last section to a specified address. We do this by | |
596d99ba | 719 | grabbing a list of the sections, sorting them by VMA, and |
87a15686 ILT |
720 | increasing the section sizes as required to fill the gaps. |
721 | We write out the gap contents below. */ | |
596d99ba ILT |
722 | |
723 | c = bfd_count_sections (obfd); | |
724 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
725 | set = osections; | |
726 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
727 | ||
22947e96 | 728 | qsort (osections, c, sizeof (asection *), compare_section_lma); |
596d99ba ILT |
729 | |
730 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
87a15686 ILT |
731 | memset (gaps, 0, c * sizeof (bfd_size_type)); |
732 | ||
733 | if (gap_fill_set) | |
734 | { | |
735 | for (i = 0; i < c - 1; i++) | |
736 | { | |
737 | flagword flags; | |
738 | bfd_size_type size; | |
739 | bfd_vma gap_start, gap_stop; | |
740 | ||
741 | flags = bfd_get_section_flags (obfd, osections[i]); | |
742 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
743 | || (flags & SEC_LOAD) == 0) | |
744 | continue; | |
745 | ||
746 | size = bfd_section_size (obfd, osections[i]); | |
22947e96 ILT |
747 | gap_start = bfd_section_lma (obfd, osections[i]) + size; |
748 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
87a15686 ILT |
749 | if (gap_start < gap_stop) |
750 | { | |
751 | if (! bfd_set_section_size (obfd, osections[i], | |
752 | size + (gap_stop - gap_start))) | |
753 | { | |
537b2e5e | 754 | non_fatal (_("Can't fill gap after %s: %s"), |
87a15686 ILT |
755 | bfd_get_section_name (obfd, osections[i]), |
756 | bfd_errmsg (bfd_get_error())); | |
757 | status = 1; | |
758 | break; | |
759 | } | |
760 | gaps[i] = gap_stop - gap_start; | |
761 | if (max_gap < gap_stop - gap_start) | |
762 | max_gap = gap_stop - gap_start; | |
763 | } | |
764 | } | |
765 | } | |
766 | ||
767 | if (pad_to_set) | |
596d99ba | 768 | { |
22947e96 | 769 | bfd_vma lma; |
596d99ba | 770 | bfd_size_type size; |
87a15686 | 771 | |
22947e96 | 772 | lma = bfd_section_lma (obfd, osections[c - 1]); |
87a15686 | 773 | size = bfd_section_size (obfd, osections[c - 1]); |
22947e96 | 774 | if (lma + size < pad_to) |
596d99ba | 775 | { |
87a15686 | 776 | if (! bfd_set_section_size (obfd, osections[c - 1], |
22947e96 | 777 | pad_to - lma)) |
596d99ba | 778 | { |
537b2e5e | 779 | non_fatal (_("Can't add padding to %s: %s"), |
87a15686 ILT |
780 | bfd_get_section_name (obfd, osections[c - 1]), |
781 | bfd_errmsg (bfd_get_error ())); | |
596d99ba | 782 | status = 1; |
596d99ba | 783 | } |
87a15686 ILT |
784 | else |
785 | { | |
22947e96 ILT |
786 | gaps[c - 1] = pad_to - (lma + size); |
787 | if (max_gap < pad_to - (lma + size)) | |
788 | max_gap = pad_to - (lma + size); | |
87a15686 | 789 | } |
596d99ba | 790 | } |
22947e96 | 791 | } |
596d99ba ILT |
792 | } |
793 | ||
77ccab3c JL |
794 | /* Symbol filtering must happen after the output sections have |
795 | been created, but before their contents are set. */ | |
537b2e5e | 796 | if (strip_symbols == STRIP_ALL) |
46050fe4 ILT |
797 | { |
798 | osympp = isympp = NULL; | |
799 | symcount = 0; | |
c0367ba5 | 800 | } |
46050fe4 ILT |
801 | else |
802 | { | |
ae5d2ff5 | 803 | long symsize; |
f5818d79 | 804 | PTR dhandle = NULL; |
ae5d2ff5 ILT |
805 | |
806 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
807 | if (symsize < 0) | |
537b2e5e | 808 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
ae5d2ff5 ILT |
809 | |
810 | osympp = isympp = (asymbol **) xmalloc (symsize); | |
46050fe4 | 811 | symcount = bfd_canonicalize_symtab (ibfd, isympp); |
ae5d2ff5 | 812 | if (symcount < 0) |
537b2e5e | 813 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
46050fe4 | 814 | |
f5818d79 ILT |
815 | if (convert_debugging) |
816 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
817 | ||
537b2e5e NC |
818 | if (strip_symbols == STRIP_DEBUG |
819 | || strip_symbols == STRIP_UNNEEDED | |
820 | || discard_locals != LOCALS_UNDEF | |
9135e5f8 | 821 | || strip_specific_list != NULL |
8d2e72a1 | 822 | || keep_specific_list != NULL |
246b7c9b | 823 | || localize_specific_list != NULL |
8d2e72a1 | 824 | || weaken_specific_list != NULL |
f5818d79 | 825 | || sections_removed |
8d2e72a1 RH |
826 | || convert_debugging |
827 | || change_leading_char | |
828 | || remove_leading_char | |
829 | || weaken) | |
c0367ba5 | 830 | { |
77ccab3c JL |
831 | /* Mark symbols used in output relocations so that they |
832 | are kept, even if they are local labels or static symbols. | |
833 | ||
834 | Note we iterate over the input sections examining their | |
835 | relocations since the relocations for the output sections | |
836 | haven't been set yet. mark_symbols_used_in_relocations will | |
837 | ignore input sections which have no corresponding output | |
838 | section. */ | |
839 | bfd_map_over_sections (ibfd, | |
840 | mark_symbols_used_in_relocations, | |
6c7ed084 | 841 | (PTR)isympp); |
8d2e72a1 RH |
842 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); |
843 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
c0367ba5 | 844 | } |
f5818d79 ILT |
845 | |
846 | if (convert_debugging && dhandle != NULL) | |
847 | { | |
848 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
849 | { | |
850 | status = 1; | |
851 | return; | |
852 | } | |
853 | } | |
46050fe4 ILT |
854 | } |
855 | ||
856 | bfd_set_symtab (obfd, osympp, symcount); | |
c0367ba5 | 857 | |
77ccab3c | 858 | /* This has to happen after the symbol table has been set. */ |
f7b839f7 | 859 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); |
6f9077cd | 860 | |
5ab41086 ILT |
861 | if (add_sections != NULL) |
862 | { | |
863 | struct section_add *padd; | |
864 | ||
865 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
866 | { | |
867 | if (! bfd_set_section_contents (obfd, padd->section, | |
868 | (PTR) padd->contents, | |
869 | (file_ptr) 0, | |
870 | (bfd_size_type) padd->size)) | |
537b2e5e | 871 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 ILT |
872 | } |
873 | } | |
874 | ||
87a15686 | 875 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
876 | { |
877 | bfd_byte *buf; | |
878 | int c, i; | |
879 | ||
880 | /* Fill in the gaps. */ | |
881 | ||
882 | if (max_gap > 8192) | |
883 | max_gap = 8192; | |
884 | buf = (bfd_byte *) xmalloc (max_gap); | |
a445cee7 | 885 | memset (buf, gap_fill, (size_t) max_gap); |
596d99ba ILT |
886 | |
887 | c = bfd_count_sections (obfd); | |
87a15686 | 888 | for (i = 0; i < c; i++) |
596d99ba ILT |
889 | { |
890 | if (gaps[i] != 0) | |
891 | { | |
892 | bfd_size_type left; | |
893 | file_ptr off; | |
894 | ||
895 | left = gaps[i]; | |
896 | off = bfd_section_size (obfd, osections[i]) - left; | |
897 | while (left > 0) | |
898 | { | |
899 | bfd_size_type now; | |
900 | ||
901 | if (left > 8192) | |
902 | now = 8192; | |
903 | else | |
904 | now = left; | |
905 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
906 | off, now)) | |
537b2e5e NC |
907 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
908 | ||
596d99ba ILT |
909 | left -= now; |
910 | off += now; | |
911 | } | |
912 | } | |
913 | } | |
914 | } | |
915 | ||
6f9077cd JM |
916 | /* Allow the BFD backend to copy any private data it understands |
917 | from the input BFD to the output BFD. This is done last to | |
918 | permit the routine to look at the filtered symbol table, which is | |
919 | important for the ECOFF code at least. */ | |
920 | if (!bfd_copy_private_bfd_data (ibfd, obfd)) | |
921 | { | |
537b2e5e NC |
922 | non_fatal (_("%s: error copying private BFD data: %s"), |
923 | bfd_get_filename (obfd), | |
924 | bfd_errmsg (bfd_get_error ())); | |
6f9077cd JM |
925 | status = 1; |
926 | return; | |
927 | } | |
c0367ba5 | 928 | } |
46050fe4 | 929 | |
46050fe4 ILT |
930 | /* Read each archive element in turn from IBFD, copy the |
931 | contents to temp file, and keep the temp file handle. */ | |
932 | ||
933 | static void | |
934 | copy_archive (ibfd, obfd, output_target) | |
935 | bfd *ibfd; | |
936 | bfd *obfd; | |
8d2e72a1 | 937 | const char *output_target; |
c0367ba5 | 938 | { |
87a15686 ILT |
939 | struct name_list |
940 | { | |
941 | struct name_list *next; | |
942 | char *name; | |
4c8d7e6b | 943 | bfd *obfd; |
87a15686 | 944 | } *list, *l; |
46050fe4 ILT |
945 | bfd **ptr = &obfd->archive_head; |
946 | bfd *this_element; | |
90f6517d | 947 | char *dir = make_tempname (bfd_get_filename (obfd)); |
46050fe4 ILT |
948 | |
949 | /* Make a temp directory to hold the contents. */ | |
eaa147a6 ILT |
950 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
951 | if (mkdir (dir) != 0) | |
952 | #else | |
9135e5f8 | 953 | if (mkdir (dir, 0700) != 0) |
eaa147a6 | 954 | #endif |
9135e5f8 | 955 | { |
9d04d618 | 956 | fatal (_("cannot mkdir %s for archive copying (error: %s)"), |
9135e5f8 ILT |
957 | dir, strerror (errno)); |
958 | } | |
46050fe4 ILT |
959 | obfd->has_armap = ibfd->has_armap; |
960 | ||
87a15686 ILT |
961 | list = NULL; |
962 | ||
46050fe4 | 963 | this_element = bfd_openr_next_archived_file (ibfd, NULL); |
46050fe4 ILT |
964 | while (this_element != (bfd *) NULL) |
965 | { | |
966 | /* Create an output file for this member. */ | |
8d2e72a1 RH |
967 | char *output_name = concat (dir, "/", bfd_get_filename(this_element), |
968 | (char *) NULL); | |
46050fe4 | 969 | bfd *output_bfd = bfd_openw (output_name, output_target); |
87a15686 ILT |
970 | bfd *last_element; |
971 | ||
972 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
973 | l->name = output_name; | |
974 | l->next = list; | |
975 | list = l; | |
46050fe4 ILT |
976 | |
977 | if (output_bfd == (bfd *) NULL) | |
537b2e5e NC |
978 | RETURN_NONFATAL (output_name); |
979 | ||
46050fe4 | 980 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
537b2e5e | 981 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 982 | |
46050fe4 | 983 | if (bfd_check_format (this_element, bfd_object) == true) |
537b2e5e | 984 | copy_object (this_element, output_bfd); |
c0367ba5 | 985 | |
46050fe4 | 986 | bfd_close (output_bfd); |
87a15686 ILT |
987 | |
988 | /* Open the newly output file and attach to our list. */ | |
46050fe4 | 989 | output_bfd = bfd_openr (output_name, output_target); |
c0367ba5 | 990 | |
4c8d7e6b ILT |
991 | l->obfd = output_bfd; |
992 | ||
46050fe4 ILT |
993 | *ptr = output_bfd; |
994 | ptr = &output_bfd->next; | |
87a15686 ILT |
995 | |
996 | last_element = this_element; | |
997 | ||
998 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
999 | ||
1000 | bfd_close (last_element); | |
c0367ba5 | 1001 | } |
46050fe4 | 1002 | *ptr = (bfd *) NULL; |
c0367ba5 | 1003 | |
46050fe4 | 1004 | if (!bfd_close (obfd)) |
537b2e5e | 1005 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 1006 | |
46050fe4 | 1007 | if (!bfd_close (ibfd)) |
537b2e5e | 1008 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
4c8d7e6b ILT |
1009 | |
1010 | /* Delete all the files that we opened. */ | |
1011 | for (l = list; l != NULL; l = l->next) | |
1012 | { | |
1013 | bfd_close (l->obfd); | |
1014 | unlink (l->name); | |
1015 | } | |
1016 | rmdir (dir); | |
c0367ba5 ILT |
1017 | } |
1018 | ||
46050fe4 ILT |
1019 | /* The top-level control. */ |
1020 | ||
1021 | static void | |
1022 | copy_file (input_filename, output_filename, input_target, output_target) | |
8d2e72a1 RH |
1023 | const char *input_filename; |
1024 | const char *output_filename; | |
1025 | const char *input_target; | |
1026 | const char *output_target; | |
c0367ba5 | 1027 | { |
46050fe4 | 1028 | bfd *ibfd; |
cef35d48 | 1029 | char **matching; |
c0367ba5 ILT |
1030 | |
1031 | /* To allow us to do "strip *" without dying on the first | |
1032 | non-object file, failures are nonfatal. */ | |
1033 | ||
46050fe4 | 1034 | ibfd = bfd_openr (input_filename, input_target); |
c0367ba5 | 1035 | if (ibfd == NULL) |
537b2e5e | 1036 | RETURN_NONFATAL (input_filename); |
c0367ba5 | 1037 | |
cef35d48 DM |
1038 | if (bfd_check_format (ibfd, bfd_archive)) |
1039 | { | |
6c7ed084 ILT |
1040 | bfd *obfd; |
1041 | ||
1042 | /* bfd_get_target does not return the correct value until | |
1043 | bfd_check_format succeeds. */ | |
1044 | if (output_target == NULL) | |
1045 | output_target = bfd_get_target (ibfd); | |
1046 | ||
1047 | obfd = bfd_openw (output_filename, output_target); | |
cef35d48 | 1048 | if (obfd == NULL) |
537b2e5e NC |
1049 | RETURN_NONFATAL (output_filename); |
1050 | ||
cef35d48 DM |
1051 | copy_archive (ibfd, obfd, output_target); |
1052 | } | |
1053 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
46050fe4 | 1054 | { |
6c7ed084 ILT |
1055 | bfd *obfd; |
1056 | ||
1057 | /* bfd_get_target does not return the correct value until | |
1058 | bfd_check_format succeeds. */ | |
1059 | if (output_target == NULL) | |
1060 | output_target = bfd_get_target (ibfd); | |
1061 | ||
1062 | obfd = bfd_openw (output_filename, output_target); | |
46050fe4 | 1063 | if (obfd == NULL) |
537b2e5e | 1064 | RETURN_NONFATAL (output_filename); |
c0367ba5 | 1065 | |
46050fe4 | 1066 | copy_object (ibfd, obfd); |
c0367ba5 | 1067 | |
46050fe4 | 1068 | if (!bfd_close (obfd)) |
537b2e5e | 1069 | RETURN_NONFATAL (output_filename); |
46050fe4 ILT |
1070 | |
1071 | if (!bfd_close (ibfd)) | |
537b2e5e | 1072 | RETURN_NONFATAL (input_filename); |
46050fe4 | 1073 | } |
cef35d48 | 1074 | else |
46050fe4 | 1075 | { |
cef35d48 | 1076 | bfd_nonfatal (input_filename); |
537b2e5e | 1077 | |
c9563567 | 1078 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
46050fe4 | 1079 | { |
cef35d48 DM |
1080 | list_matching_formats (matching); |
1081 | free (matching); | |
46050fe4 | 1082 | } |
537b2e5e | 1083 | |
cef35d48 | 1084 | status = 1; |
46050fe4 ILT |
1085 | } |
1086 | } | |
1087 | ||
1088 | /* Create a section in OBFD with the same name and attributes | |
1089 | as ISECTION in IBFD. */ | |
c0367ba5 | 1090 | |
c0367ba5 | 1091 | static void |
6c7ed084 | 1092 | setup_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1093 | bfd *ibfd; |
1094 | sec_ptr isection; | |
6c7ed084 | 1095 | PTR obfdarg; |
c0367ba5 | 1096 | { |
6c7ed084 ILT |
1097 | bfd *obfd = (bfd *) obfdarg; |
1098 | struct section_list *p; | |
46050fe4 | 1099 | sec_ptr osection; |
6c7ed084 | 1100 | bfd_vma vma; |
f5818d79 | 1101 | bfd_vma lma; |
5ab41086 | 1102 | flagword flags; |
46050fe4 ILT |
1103 | char *err; |
1104 | ||
1105 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
537b2e5e NC |
1106 | && (strip_symbols == STRIP_DEBUG |
1107 | || strip_symbols == STRIP_UNNEEDED | |
1108 | || strip_symbols == STRIP_ALL | |
1109 | || discard_locals == LOCALS_ALL | |
f5818d79 | 1110 | || convert_debugging)) |
46050fe4 ILT |
1111 | return; |
1112 | ||
5ab41086 ILT |
1113 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1114 | if (p != NULL) | |
1115 | p->used = true; | |
1116 | ||
1117 | if (p != NULL && p->remove) | |
1118 | return; | |
6c7ed084 | 1119 | |
77ccab3c | 1120 | osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection)); |
46050fe4 ILT |
1121 | if (osection == NULL) |
1122 | { | |
77ccab3c JL |
1123 | err = "making"; |
1124 | goto loser; | |
c0367ba5 ILT |
1125 | } |
1126 | ||
46050fe4 ILT |
1127 | if (!bfd_set_section_size (obfd, |
1128 | osection, | |
1129 | bfd_section_size (ibfd, isection))) | |
1130 | { | |
1131 | err = "size"; | |
1132 | goto loser; | |
c0367ba5 ILT |
1133 | } |
1134 | ||
6c7ed084 | 1135 | vma = bfd_section_vma (ibfd, isection); |
537b2e5e NC |
1136 | if (p != NULL && p->change_vma == CHANGE_MODIFY) |
1137 | vma += p->vma_val; | |
1138 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
1139 | vma = p->vma_val; | |
5ab41086 | 1140 | else |
537b2e5e NC |
1141 | vma += change_section_address; |
1142 | ||
6c7ed084 | 1143 | if (! bfd_set_section_vma (obfd, osection, vma)) |
46050fe4 ILT |
1144 | { |
1145 | err = "vma"; | |
1146 | goto loser; | |
1147 | } | |
c0367ba5 | 1148 | |
f5818d79 | 1149 | lma = isection->lma; |
537b2e5e NC |
1150 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) |
1151 | { | |
1152 | if (p->change_lma == CHANGE_MODIFY) | |
1153 | lma += p->lma_val; | |
1154 | else if (p->change_lma == CHANGE_SET) | |
1155 | lma = p->lma_val; | |
1156 | else | |
1157 | abort(); | |
1158 | } | |
f5818d79 | 1159 | else |
537b2e5e NC |
1160 | lma += change_section_address; |
1161 | ||
f5818d79 ILT |
1162 | osection->lma = lma; |
1163 | ||
537b2e5e NC |
1164 | /* FIXME: This is probably not enough. If we change the LMA we |
1165 | may have to recompute the header for the file as well. */ | |
46050fe4 ILT |
1166 | if (bfd_set_section_alignment (obfd, |
1167 | osection, | |
1168 | bfd_section_alignment (ibfd, isection)) | |
1169 | == false) | |
1170 | { | |
1171 | err = "alignment"; | |
1172 | goto loser; | |
1173 | } | |
c0367ba5 | 1174 | |
842eba66 | 1175 | flags = bfd_get_section_flags (ibfd, isection); |
5ab41086 | 1176 | if (p != NULL && p->set_flags) |
842eba66 | 1177 | flags = p->flags | (flags & SEC_HAS_CONTENTS); |
5ab41086 | 1178 | if (!bfd_set_section_flags (obfd, osection, flags)) |
46050fe4 ILT |
1179 | { |
1180 | err = "flags"; | |
1181 | goto loser; | |
c0367ba5 ILT |
1182 | } |
1183 | ||
c9563567 JL |
1184 | /* This used to be mangle_section; we do here to avoid using |
1185 | bfd_get_section_by_name since some formats allow multiple | |
1186 | sections with the same name. */ | |
1187 | isection->output_section = osection; | |
1188 | isection->output_offset = 0; | |
1189 | ||
77ccab3c JL |
1190 | /* Allow the BFD backend to copy any private data it understands |
1191 | from the input section to the output section. */ | |
1192 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1193 | { | |
1194 | err = "private data"; | |
1195 | goto loser; | |
1196 | } | |
1197 | ||
46050fe4 ILT |
1198 | /* All went well */ |
1199 | return; | |
c0367ba5 ILT |
1200 | |
1201 | loser: | |
537b2e5e NC |
1202 | non_fatal (_("%s: section `%s': error in %s: %s"), |
1203 | bfd_get_filename (ibfd), | |
1204 | bfd_section_name (ibfd, isection), | |
1205 | err, bfd_errmsg (bfd_get_error ())); | |
46050fe4 ILT |
1206 | status = 1; |
1207 | } | |
1208 | ||
1209 | /* Copy the data of input section ISECTION of IBFD | |
1210 | to an output section with the same name in OBFD. | |
1211 | If stripping then don't copy any relocation info. */ | |
1212 | ||
c0367ba5 | 1213 | static void |
6c7ed084 | 1214 | copy_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1215 | bfd *ibfd; |
1216 | sec_ptr isection; | |
6c7ed084 | 1217 | PTR obfdarg; |
c0367ba5 | 1218 | { |
6c7ed084 ILT |
1219 | bfd *obfd = (bfd *) obfdarg; |
1220 | struct section_list *p; | |
46050fe4 | 1221 | arelent **relpp; |
ae5d2ff5 | 1222 | long relcount; |
46050fe4 ILT |
1223 | sec_ptr osection; |
1224 | bfd_size_type size; | |
1225 | ||
537b2e5e NC |
1226 | /* If we have already failed earlier on, do not keep on generating |
1227 | complaints now. */ | |
1228 | if (status != 0) | |
1229 | return; | |
1230 | ||
46050fe4 | 1231 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
537b2e5e NC |
1232 | && (strip_symbols == STRIP_DEBUG |
1233 | || strip_symbols == STRIP_UNNEEDED | |
1234 | || strip_symbols == STRIP_ALL | |
1235 | || discard_locals == LOCALS_ALL | |
f5818d79 | 1236 | || convert_debugging)) |
46050fe4 ILT |
1237 | { |
1238 | return; | |
1239 | } | |
c0367ba5 | 1240 | |
5ab41086 ILT |
1241 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1242 | ||
1243 | if (p != NULL && p->remove) | |
1244 | return; | |
6c7ed084 | 1245 | |
77ccab3c | 1246 | osection = isection->output_section; |
46050fe4 | 1247 | size = bfd_get_section_size_before_reloc (isection); |
c0367ba5 | 1248 | |
77ccab3c | 1249 | if (size == 0 || osection == 0) |
c0367ba5 ILT |
1250 | return; |
1251 | ||
537b2e5e | 1252 | if (strip_symbols == STRIP_ALL) |
ae5d2ff5 | 1253 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); |
46050fe4 | 1254 | else |
c0367ba5 | 1255 | { |
ae5d2ff5 ILT |
1256 | long relsize; |
1257 | ||
1258 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1259 | if (relsize < 0) | |
537b2e5e NC |
1260 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
1261 | ||
ae5d2ff5 ILT |
1262 | if (relsize == 0) |
1263 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1264 | else | |
1265 | { | |
1266 | relpp = (arelent **) xmalloc (relsize); | |
1267 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1268 | if (relcount < 0) | |
537b2e5e NC |
1269 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
1270 | ||
ae5d2ff5 ILT |
1271 | bfd_set_reloc (obfd, osection, relpp, relcount); |
1272 | } | |
c0367ba5 ILT |
1273 | } |
1274 | ||
1275 | isection->_cooked_size = isection->_raw_size; | |
46050fe4 | 1276 | isection->reloc_done = true; |
c0367ba5 | 1277 | |
46050fe4 | 1278 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) |
c0367ba5 | 1279 | { |
46050fe4 | 1280 | PTR memhunk = (PTR) xmalloc ((unsigned) size); |
c0367ba5 | 1281 | |
46050fe4 ILT |
1282 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, |
1283 | size)) | |
537b2e5e | 1284 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
c0367ba5 | 1285 | |
6f9077cd JM |
1286 | if (copy_byte >= 0) |
1287 | { | |
1288 | filter_bytes (memhunk, &size); | |
1289 | /* The section has gotten smaller. */ | |
1290 | if (!bfd_set_section_size (obfd, osection, size)) | |
537b2e5e | 1291 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
6f9077cd | 1292 | } |
f7b839f7 | 1293 | |
46050fe4 ILT |
1294 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, |
1295 | size)) | |
537b2e5e NC |
1296 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
1297 | ||
46050fe4 | 1298 | free (memhunk); |
ee1f0bd1 | 1299 | } |
eaa147a6 | 1300 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) |
ee1f0bd1 ILT |
1301 | { |
1302 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1303 | ||
1304 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1305 | flag--they can just remove the section entirely and add it | |
1306 | back again. However, we do permit them to turn on the | |
1307 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1308 | contents should be zeroed out. */ | |
1309 | ||
1310 | memset (memhunk, 0, size); | |
1311 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1312 | size)) | |
537b2e5e | 1313 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
ee1f0bd1 | 1314 | free (memhunk); |
c0367ba5 | 1315 | } |
46050fe4 | 1316 | } |
c0367ba5 | 1317 | |
87a15686 ILT |
1318 | /* Get all the sections. This is used when --gap-fill or --pad-to is |
1319 | used. */ | |
596d99ba ILT |
1320 | |
1321 | static void | |
1322 | get_sections (obfd, osection, secppparg) | |
1323 | bfd *obfd; | |
1324 | asection *osection; | |
1325 | PTR secppparg; | |
1326 | { | |
1327 | asection ***secppp = (asection ***) secppparg; | |
1328 | ||
1329 | **secppp = osection; | |
1330 | ++(*secppp); | |
1331 | } | |
1332 | ||
1333 | /* Sort sections by VMA. This is called via qsort, and is used when | |
87a15686 ILT |
1334 | --gap-fill or --pad-to is used. We force non loadable or empty |
1335 | sections to the front, where they are easier to ignore. */ | |
596d99ba ILT |
1336 | |
1337 | static int | |
22947e96 | 1338 | compare_section_lma (arg1, arg2) |
596d99ba ILT |
1339 | const PTR arg1; |
1340 | const PTR arg2; | |
1341 | { | |
1342 | const asection **sec1 = (const asection **) arg1; | |
1343 | const asection **sec2 = (const asection **) arg2; | |
87a15686 ILT |
1344 | flagword flags1, flags2; |
1345 | ||
1346 | /* Sort non loadable sections to the front. */ | |
1347 | flags1 = (*sec1)->flags; | |
1348 | flags2 = (*sec2)->flags; | |
1349 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1350 | || (flags1 & SEC_LOAD) == 0) | |
1351 | { | |
1352 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1353 | && (flags2 & SEC_LOAD) != 0) | |
1354 | return -1; | |
1355 | } | |
1356 | else | |
1357 | { | |
1358 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1359 | || (flags2 & SEC_LOAD) == 0) | |
1360 | return 1; | |
1361 | } | |
596d99ba | 1362 | |
22947e96 ILT |
1363 | /* Sort sections by LMA. */ |
1364 | if ((*sec1)->lma > (*sec2)->lma) | |
596d99ba | 1365 | return 1; |
22947e96 | 1366 | else if ((*sec1)->lma < (*sec2)->lma) |
596d99ba | 1367 | return -1; |
87a15686 | 1368 | |
22947e96 | 1369 | /* Sort sections with the same LMA by size. */ |
87a15686 ILT |
1370 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) |
1371 | return 1; | |
1372 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1373 | return -1; | |
1374 | ||
1375 | return 0; | |
596d99ba ILT |
1376 | } |
1377 | ||
77ccab3c JL |
1378 | /* Mark all the symbols which will be used in output relocations with |
1379 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1380 | ||
1381 | Ignore relocations which will not appear in the output file. */ | |
1382 | ||
1383 | static void | |
6c7ed084 | 1384 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) |
77ccab3c JL |
1385 | bfd *ibfd; |
1386 | sec_ptr isection; | |
6c7ed084 | 1387 | PTR symbolsarg; |
77ccab3c | 1388 | { |
6c7ed084 | 1389 | asymbol **symbols = (asymbol **) symbolsarg; |
ae5d2ff5 | 1390 | long relsize; |
77ccab3c | 1391 | arelent **relpp; |
ae5d2ff5 | 1392 | long relcount, i; |
77ccab3c JL |
1393 | |
1394 | /* Ignore an input section with no corresponding output section. */ | |
1395 | if (isection->output_section == NULL) | |
1396 | return; | |
1397 | ||
ae5d2ff5 ILT |
1398 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1399 | if (relsize < 0) | |
1400 | bfd_fatal (bfd_get_filename (ibfd)); | |
1401 | ||
a445cee7 | 1402 | if (relsize == 0) |
28b5eb12 | 1403 | return; |
a445cee7 | 1404 | |
ae5d2ff5 | 1405 | relpp = (arelent **) xmalloc (relsize); |
77ccab3c | 1406 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); |
ae5d2ff5 ILT |
1407 | if (relcount < 0) |
1408 | bfd_fatal (bfd_get_filename (ibfd)); | |
77ccab3c JL |
1409 | |
1410 | /* Examine each symbol used in a relocation. If it's not one of the | |
1411 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
1412 | for (i = 0; i < relcount; i++) | |
1413 | { | |
6c7ed084 ILT |
1414 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1415 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1416 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
77ccab3c JL |
1417 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; |
1418 | } | |
1419 | ||
1420 | if (relpp != NULL) | |
1421 | free (relpp); | |
1422 | } | |
1423 | ||
f5818d79 ILT |
1424 | /* Write out debugging information. */ |
1425 | ||
1426 | static boolean | |
1427 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1428 | bfd *obfd; | |
1429 | PTR dhandle; | |
1430 | long *symcountp; | |
1431 | asymbol ***symppp; | |
1432 | { | |
1433 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1434 | return write_ieee_debugging_info (obfd, dhandle); | |
1435 | ||
8d2e72a1 RH |
1436 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour |
1437 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1438 | { | |
1439 | bfd_byte *syms, *strings; | |
1440 | bfd_size_type symsize, stringsize; | |
1441 | asection *stabsec, *stabstrsec; | |
1442 | ||
1443 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1444 | &symsize, &strings, | |
1445 | &stringsize)) | |
1446 | return false; | |
1447 | ||
1448 | stabsec = bfd_make_section (obfd, ".stab"); | |
1449 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1450 | if (stabsec == NULL | |
1451 | || stabstrsec == NULL | |
1452 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1453 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1454 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1455 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1456 | || ! bfd_set_section_flags (obfd, stabsec, | |
1457 | (SEC_HAS_CONTENTS | |
1458 | | SEC_READONLY | |
1459 | | SEC_DEBUGGING)) | |
1460 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1461 | (SEC_HAS_CONTENTS | |
1462 | | SEC_READONLY | |
1463 | | SEC_DEBUGGING))) | |
1464 | { | |
537b2e5e NC |
1465 | non_fatal (_("%s: can't create debugging section: %s"), |
1466 | bfd_get_filename (obfd), | |
1467 | bfd_errmsg (bfd_get_error ())); | |
8d2e72a1 RH |
1468 | return false; |
1469 | } | |
1470 | ||
1471 | /* We can get away with setting the section contents now because | |
1472 | the next thing the caller is going to do is copy over the | |
1473 | real sections. We may someday have to split the contents | |
1474 | setting out of this function. */ | |
1475 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1476 | symsize) | |
1477 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1478 | (file_ptr) 0, stringsize)) | |
1479 | { | |
537b2e5e NC |
1480 | non_fatal (_("%s: can't set debugging section contents: %s"), |
1481 | bfd_get_filename (obfd), | |
1482 | bfd_errmsg (bfd_get_error ())); | |
8d2e72a1 RH |
1483 | return false; |
1484 | } | |
1485 | ||
1486 | return true; | |
1487 | } | |
1488 | ||
537b2e5e NC |
1489 | non_fatal (_("%s: don't know how to write debugging information for %s"), |
1490 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
f5818d79 ILT |
1491 | return false; |
1492 | } | |
1493 | ||
46050fe4 ILT |
1494 | /* The number of bytes to copy at once. */ |
1495 | #define COPY_BUF 8192 | |
1496 | ||
1497 | /* Copy file FROM to file TO, performing no translations. | |
1498 | Return 0 if ok, -1 if error. */ | |
1499 | ||
1500 | static int | |
1501 | simple_copy (from, to) | |
8d2e72a1 RH |
1502 | const char *from; |
1503 | const char *to; | |
c0367ba5 | 1504 | { |
46050fe4 | 1505 | int fromfd, tofd, nread; |
d1a917c5 | 1506 | int saved; |
46050fe4 ILT |
1507 | char buf[COPY_BUF]; |
1508 | ||
1509 | fromfd = open (from, O_RDONLY); | |
1510 | if (fromfd < 0) | |
1511 | return -1; | |
28b5eb12 | 1512 | tofd = creat (to, 0777); |
46050fe4 ILT |
1513 | if (tofd < 0) |
1514 | { | |
d1a917c5 | 1515 | saved = errno; |
46050fe4 | 1516 | close (fromfd); |
d1a917c5 | 1517 | errno = saved; |
46050fe4 ILT |
1518 | return -1; |
1519 | } | |
1520 | while ((nread = read (fromfd, buf, sizeof buf)) > 0) | |
1521 | { | |
1522 | if (write (tofd, buf, nread) != nread) | |
1523 | { | |
d1a917c5 | 1524 | saved = errno; |
46050fe4 ILT |
1525 | close (fromfd); |
1526 | close (tofd); | |
d1a917c5 | 1527 | errno = saved; |
46050fe4 ILT |
1528 | return -1; |
1529 | } | |
1530 | } | |
d1a917c5 | 1531 | saved = errno; |
46050fe4 ILT |
1532 | close (fromfd); |
1533 | close (tofd); | |
1534 | if (nread < 0) | |
d1a917c5 ILT |
1535 | { |
1536 | errno = saved; | |
1537 | return -1; | |
1538 | } | |
46050fe4 ILT |
1539 | return 0; |
1540 | } | |
c0367ba5 | 1541 | |
46050fe4 ILT |
1542 | #ifndef S_ISLNK |
1543 | #ifdef S_IFLNK | |
1544 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | |
1545 | #else | |
1546 | #define S_ISLNK(m) 0 | |
1547 | #define lstat stat | |
1548 | #endif | |
1549 | #endif | |
1550 | ||
1551 | /* Rename FROM to TO, copying if TO is a link. | |
1552 | Assumes that TO already exists, because FROM is a temp file. | |
1553 | Return 0 if ok, -1 if error. */ | |
1554 | ||
1555 | static int | |
1556 | smart_rename (from, to) | |
8d2e72a1 RH |
1557 | const char *from; |
1558 | const char *to; | |
46050fe4 ILT |
1559 | { |
1560 | struct stat s; | |
1561 | int ret = 0; | |
c0367ba5 | 1562 | |
46050fe4 ILT |
1563 | if (lstat (to, &s)) |
1564 | return -1; | |
c0367ba5 | 1565 | |
eaa147a6 ILT |
1566 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
1567 | /* Win32, unlike unix, will not erase `to' in `rename(from, to)' but | |
1568 | fail instead. Also, chown is not present. */ | |
1569 | ||
1570 | if (stat (to, &s) == 0) | |
1571 | remove (to); | |
1572 | ||
1573 | ret = rename (from, to); | |
1574 | if (ret != 0) | |
1575 | { | |
1576 | /* We have to clean up here. */ | |
537b2e5e NC |
1577 | |
1578 | non_fatal (_("%s: rename: %s"), to, strerror (errno)); | |
eaa147a6 ILT |
1579 | unlink (from); |
1580 | } | |
1581 | #else | |
46050fe4 ILT |
1582 | /* Use rename only if TO is not a symbolic link and has |
1583 | only one hard link. */ | |
1584 | if (!S_ISLNK (s.st_mode) && s.st_nlink == 1) | |
1585 | { | |
1586 | ret = rename (from, to); | |
1587 | if (ret == 0) | |
1588 | { | |
8d2e72a1 RH |
1589 | /* Try to preserve the permission bits and ownership of TO. |
1590 | First get the mode right except for the setuid bit. Then | |
1591 | change the ownership. Then fix the setuid bit. We do | |
1592 | the chmod before the chown because if the chown succeeds, | |
1593 | and we are a normal user, we won't be able to do the | |
1594 | chmod afterward. We don't bother to fix the setuid bit | |
1595 | first because that might introduce a fleeting security | |
1596 | problem, and because the chown will clear the setuid bit | |
1597 | anyhow. We only fix the setuid bit if the chown | |
1598 | succeeds, because we don't want to introduce an | |
1599 | unexpected setuid file owned by the user running objcopy. */ | |
1600 | chmod (to, s.st_mode & 0777); | |
1601 | if (chown (to, s.st_uid, s.st_gid) >= 0) | |
1602 | chmod (to, s.st_mode & 07777); | |
46050fe4 | 1603 | } |
9135e5f8 ILT |
1604 | else |
1605 | { | |
1606 | /* We have to clean up here. */ | |
537b2e5e | 1607 | non_fatal (_("%s: rename: %s"), to, strerror (errno)); |
9135e5f8 ILT |
1608 | unlink (from); |
1609 | } | |
46050fe4 ILT |
1610 | } |
1611 | else | |
1612 | { | |
1613 | ret = simple_copy (from, to); | |
d1a917c5 | 1614 | if (ret != 0) |
537b2e5e NC |
1615 | non_fatal (_("%s: simple_copy: %s"), to, strerror (errno)); |
1616 | ||
22947e96 ILT |
1617 | if (preserve_dates) |
1618 | set_times (to, &s); | |
d1a917c5 | 1619 | unlink (from); |
46050fe4 | 1620 | } |
eaa147a6 ILT |
1621 | #endif /* _WIN32 && !__CYGWIN32__ */ |
1622 | ||
46050fe4 ILT |
1623 | return ret; |
1624 | } | |
1625 | ||
8d2e72a1 RH |
1626 | /* Set the times of the file DESTINATION to be the same as those in |
1627 | STATBUF. */ | |
1628 | ||
1629 | static void | |
1630 | set_times (destination, statbuf) | |
1631 | const char *destination; | |
1632 | const struct stat *statbuf; | |
1633 | { | |
1634 | int result; | |
1635 | ||
1636 | { | |
1637 | #ifdef HAVE_GOOD_UTIME_H | |
1638 | struct utimbuf tb; | |
1639 | ||
1640 | tb.actime = statbuf->st_atime; | |
1641 | tb.modtime = statbuf->st_mtime; | |
1642 | result = utime (destination, &tb); | |
1643 | #else /* ! HAVE_GOOD_UTIME_H */ | |
1644 | #ifndef HAVE_UTIMES | |
1645 | long tb[2]; | |
1646 | ||
1647 | tb[0] = statbuf->st_atime; | |
1648 | tb[1] = statbuf->st_mtime; | |
1649 | result = utime (destination, tb); | |
1650 | #else /* HAVE_UTIMES */ | |
1651 | struct timeval tv[2]; | |
1652 | ||
1653 | tv[0].tv_sec = statbuf->st_atime; | |
1654 | tv[0].tv_usec = 0; | |
1655 | tv[1].tv_sec = statbuf->st_mtime; | |
1656 | tv[1].tv_usec = 0; | |
1657 | result = utimes (destination, tv); | |
1658 | #endif /* HAVE_UTIMES */ | |
1659 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
1660 | } | |
1661 | ||
1662 | if (result != 0) | |
537b2e5e | 1663 | non_fatal (_("%s: cannot set time: %s"), destination, strerror (errno)); |
8d2e72a1 RH |
1664 | } |
1665 | ||
46050fe4 ILT |
1666 | static int |
1667 | strip_main (argc, argv) | |
1668 | int argc; | |
1669 | char *argv[]; | |
1670 | { | |
1671 | char *input_target = NULL, *output_target = NULL; | |
1672 | boolean show_version = false; | |
1673 | int c, i; | |
5ab41086 | 1674 | struct section_list *p; |
8d2e72a1 | 1675 | char *output_file = NULL; |
46050fe4 | 1676 | |
8d2e72a1 | 1677 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpgxXVv", |
46050fe4 ILT |
1678 | strip_options, (int *) 0)) != EOF) |
1679 | { | |
1680 | switch (c) | |
1681 | { | |
1682 | case 'I': | |
1683 | input_target = optarg; | |
704bbd0d | 1684 | break; |
46050fe4 ILT |
1685 | case 'O': |
1686 | output_target = optarg; | |
1687 | break; | |
1688 | case 'F': | |
1689 | input_target = output_target = optarg; | |
1690 | break; | |
6c7ed084 | 1691 | case 'R': |
5ab41086 ILT |
1692 | p = find_section_list (optarg, true); |
1693 | p->remove = true; | |
1694 | sections_removed = true; | |
6c7ed084 | 1695 | break; |
46050fe4 | 1696 | case 's': |
537b2e5e | 1697 | strip_symbols = STRIP_ALL; |
46050fe4 ILT |
1698 | break; |
1699 | case 'S': | |
1700 | case 'g': | |
537b2e5e | 1701 | strip_symbols = STRIP_DEBUG; |
46050fe4 | 1702 | break; |
9135e5f8 | 1703 | case OPTION_STRIP_UNNEEDED: |
537b2e5e | 1704 | strip_symbols = STRIP_UNNEEDED; |
9135e5f8 ILT |
1705 | break; |
1706 | case 'K': | |
8d2e72a1 | 1707 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1708 | break; |
4af19c61 | 1709 | case 'N': |
8d2e72a1 RH |
1710 | add_specific_symbol (optarg, &strip_specific_list); |
1711 | break; | |
1712 | case 'o': | |
1713 | output_file = optarg; | |
1714 | break; | |
1715 | case 'p': | |
1716 | preserve_dates = true; | |
4af19c61 | 1717 | break; |
46050fe4 | 1718 | case 'x': |
537b2e5e | 1719 | discard_locals = LOCALS_ALL; |
46050fe4 ILT |
1720 | break; |
1721 | case 'X': | |
537b2e5e | 1722 | discard_locals = LOCALS_START_L; |
46050fe4 ILT |
1723 | break; |
1724 | case 'v': | |
1725 | verbose = true; | |
1726 | break; | |
1727 | case 'V': | |
1728 | show_version = true; | |
1729 | break; | |
1730 | case 0: | |
1731 | break; /* we've been given a long option */ | |
1732 | case 'h': | |
1733 | strip_usage (stdout, 0); | |
1734 | default: | |
1735 | strip_usage (stderr, 1); | |
1736 | } | |
1737 | } | |
1738 | ||
1739 | if (show_version) | |
8d2e72a1 | 1740 | print_version ("strip"); |
c0367ba5 | 1741 | |
46050fe4 | 1742 | /* Default is to strip all symbols. */ |
537b2e5e NC |
1743 | if (strip_symbols == STRIP_UNDEF |
1744 | && discard_locals == LOCALS_UNDEF | |
4af19c61 | 1745 | && strip_specific_list == NULL) |
537b2e5e | 1746 | strip_symbols = STRIP_ALL; |
46050fe4 ILT |
1747 | |
1748 | if (output_target == (char *) NULL) | |
1749 | output_target = input_target; | |
1750 | ||
1751 | i = optind; | |
8d2e72a1 RH |
1752 | if (i == argc |
1753 | || (output_file != NULL && (i + 1) < argc)) | |
46050fe4 ILT |
1754 | strip_usage (stderr, 1); |
1755 | ||
1756 | for (; i < argc; i++) | |
1757 | { | |
1758 | int hold_status = status; | |
8d2e72a1 RH |
1759 | struct stat statbuf; |
1760 | char *tmpname; | |
1761 | ||
1762 | if (preserve_dates) | |
1763 | { | |
1764 | if (stat (argv[i], &statbuf) < 0) | |
1765 | { | |
537b2e5e | 1766 | non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno)); |
8d2e72a1 RH |
1767 | continue; |
1768 | } | |
1769 | } | |
c0367ba5 | 1770 | |
8d2e72a1 RH |
1771 | if (output_file != NULL) |
1772 | tmpname = output_file; | |
1773 | else | |
1774 | tmpname = make_tempname (argv[i]); | |
46050fe4 | 1775 | status = 0; |
8d2e72a1 | 1776 | |
46050fe4 ILT |
1777 | copy_file (argv[i], tmpname, input_target, output_target); |
1778 | if (status == 0) | |
1779 | { | |
8d2e72a1 RH |
1780 | if (preserve_dates) |
1781 | set_times (tmpname, &statbuf); | |
1782 | if (output_file == NULL) | |
1783 | smart_rename (tmpname, argv[i]); | |
46050fe4 | 1784 | status = hold_status; |
c0367ba5 | 1785 | } |
46050fe4 ILT |
1786 | else |
1787 | unlink (tmpname); | |
8d2e72a1 RH |
1788 | if (output_file == NULL) |
1789 | free (tmpname); | |
46050fe4 ILT |
1790 | } |
1791 | ||
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | static int | |
1796 | copy_main (argc, argv) | |
1797 | int argc; | |
1798 | char *argv[]; | |
1799 | { | |
6c7ed084 | 1800 | char *input_filename = NULL, *output_filename = NULL; |
46050fe4 ILT |
1801 | char *input_target = NULL, *output_target = NULL; |
1802 | boolean show_version = false; | |
537b2e5e | 1803 | boolean change_warn = true; |
46050fe4 | 1804 | int c; |
6c7ed084 | 1805 | struct section_list *p; |
8d2e72a1 | 1806 | struct stat statbuf; |
46050fe4 | 1807 | |
246b7c9b | 1808 | while ((c = getopt_long (argc, argv, "b:i:I:K:N:s:O:d:F:L:R:SpgxXVvW:", |
46050fe4 ILT |
1809 | copy_options, (int *) 0)) != EOF) |
1810 | { | |
1811 | switch (c) | |
1812 | { | |
f7b839f7 DM |
1813 | case 'b': |
1814 | copy_byte = atoi(optarg); | |
1815 | if (copy_byte < 0) | |
537b2e5e | 1816 | fatal (_("byte number must be non-negative")); |
f7b839f7 DM |
1817 | break; |
1818 | case 'i': | |
1819 | interleave = atoi(optarg); | |
1820 | if (interleave < 1) | |
537b2e5e | 1821 | fatal (_("interleave must be positive")); |
f7b839f7 | 1822 | break; |
c0367ba5 | 1823 | case 'I': |
46050fe4 | 1824 | case 's': /* "source" - 'I' is preferred */ |
c0367ba5 | 1825 | input_target = optarg; |
704bbd0d | 1826 | break; |
c0367ba5 | 1827 | case 'O': |
46050fe4 | 1828 | case 'd': /* "destination" - 'O' is preferred */ |
c0367ba5 ILT |
1829 | output_target = optarg; |
1830 | break; | |
1831 | case 'F': | |
c0367ba5 ILT |
1832 | input_target = output_target = optarg; |
1833 | break; | |
6c7ed084 | 1834 | case 'R': |
5ab41086 ILT |
1835 | p = find_section_list (optarg, true); |
1836 | p->remove = true; | |
1837 | sections_removed = true; | |
6c7ed084 | 1838 | break; |
c0367ba5 | 1839 | case 'S': |
537b2e5e | 1840 | strip_symbols = STRIP_ALL; |
c0367ba5 ILT |
1841 | break; |
1842 | case 'g': | |
537b2e5e | 1843 | strip_symbols = STRIP_DEBUG; |
c0367ba5 | 1844 | break; |
9135e5f8 | 1845 | case OPTION_STRIP_UNNEEDED: |
537b2e5e | 1846 | strip_symbols = STRIP_UNNEEDED; |
9135e5f8 ILT |
1847 | break; |
1848 | case 'K': | |
8d2e72a1 | 1849 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1850 | break; |
4af19c61 | 1851 | case 'N': |
8d2e72a1 RH |
1852 | add_specific_symbol (optarg, &strip_specific_list); |
1853 | break; | |
246b7c9b RH |
1854 | case 'L': |
1855 | add_specific_symbol (optarg, &localize_specific_list); | |
8d2e72a1 RH |
1856 | break; |
1857 | case 'W': | |
1858 | add_specific_symbol (optarg, &weaken_specific_list); | |
1859 | break; | |
1860 | case 'p': | |
1861 | preserve_dates = true; | |
4af19c61 | 1862 | break; |
c0367ba5 | 1863 | case 'x': |
537b2e5e | 1864 | discard_locals = LOCALS_ALL; |
c0367ba5 ILT |
1865 | break; |
1866 | case 'X': | |
537b2e5e | 1867 | discard_locals = LOCALS_START_L; |
c0367ba5 ILT |
1868 | break; |
1869 | case 'v': | |
1870 | verbose = true; | |
1871 | break; | |
1872 | case 'V': | |
1873 | show_version = true; | |
1874 | break; | |
8d2e72a1 RH |
1875 | case OPTION_WEAKEN: |
1876 | weaken = true; | |
1877 | break; | |
5ab41086 ILT |
1878 | case OPTION_ADD_SECTION: |
1879 | { | |
1880 | const char *s; | |
1881 | struct stat st; | |
1882 | struct section_add *pa; | |
1883 | int len; | |
1884 | char *name; | |
1885 | FILE *f; | |
1886 | ||
1887 | s = strchr (optarg, '='); | |
537b2e5e | 1888 | |
5ab41086 | 1889 | if (s == NULL) |
537b2e5e | 1890 | fatal (_("bad format for --add-section NAME=FILENAME")); |
5ab41086 | 1891 | |
537b2e5e NC |
1892 | if (stat (s + 1, & st) < 0) |
1893 | fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno)); | |
5ab41086 ILT |
1894 | |
1895 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
1896 | ||
1897 | len = s - optarg; | |
1898 | name = (char *) xmalloc (len + 1); | |
1899 | strncpy (name, optarg, len); | |
1900 | name[len] = '\0'; | |
1901 | pa->name = name; | |
1902 | ||
1903 | pa->filename = s + 1; | |
1904 | ||
1905 | pa->size = st.st_size; | |
1906 | ||
9135e5f8 | 1907 | pa->contents = (bfd_byte *) xmalloc (pa->size); |
5ab41086 | 1908 | f = fopen (pa->filename, FOPEN_RB); |
537b2e5e | 1909 | |
5ab41086 | 1910 | if (f == NULL) |
537b2e5e NC |
1911 | fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno)); |
1912 | ||
5ab41086 ILT |
1913 | if (fread (pa->contents, 1, pa->size, f) == 0 |
1914 | || ferror (f)) | |
537b2e5e NC |
1915 | fatal (_("%s: fread failed"), pa->filename); |
1916 | ||
5ab41086 ILT |
1917 | fclose (f); |
1918 | ||
1919 | pa->next = add_sections; | |
1920 | add_sections = pa; | |
1921 | } | |
1922 | break; | |
537b2e5e NC |
1923 | case OPTION_CHANGE_START: |
1924 | change_start = parse_vma (optarg, "--change-start"); | |
6c7ed084 | 1925 | break; |
537b2e5e NC |
1926 | case OPTION_CHANGE_SECTION_ADDRESS: |
1927 | case OPTION_CHANGE_SECTION_LMA: | |
1928 | case OPTION_CHANGE_SECTION_VMA: | |
6c7ed084 ILT |
1929 | { |
1930 | const char *s; | |
1931 | int len; | |
1932 | char *name; | |
537b2e5e NC |
1933 | char *option; |
1934 | bfd_vma val; | |
1935 | enum change_action what; | |
1936 | ||
1937 | switch (c) | |
1938 | { | |
1939 | case OPTION_CHANGE_SECTION_ADDRESS: option = "--change-section-address"; break; | |
1940 | case OPTION_CHANGE_SECTION_LMA: option = "--change-section-lma"; break; | |
1941 | case OPTION_CHANGE_SECTION_VMA: option = "--change-section-vma"; break; | |
1942 | } | |
1943 | ||
6c7ed084 | 1944 | s = strchr (optarg, '='); |
5ab41086 | 1945 | if (s == NULL) |
6c7ed084 ILT |
1946 | { |
1947 | s = strchr (optarg, '+'); | |
1948 | if (s == NULL) | |
1949 | { | |
1950 | s = strchr (optarg, '-'); | |
1951 | if (s == NULL) | |
537b2e5e | 1952 | fatal (_("bad format for %s"), option); |
6c7ed084 | 1953 | } |
6c7ed084 ILT |
1954 | } |
1955 | ||
1956 | len = s - optarg; | |
1957 | name = (char *) xmalloc (len + 1); | |
1958 | strncpy (name, optarg, len); | |
1959 | name[len] = '\0'; | |
6c7ed084 | 1960 | |
5ab41086 ILT |
1961 | p = find_section_list (name, true); |
1962 | ||
537b2e5e | 1963 | val = parse_vma (s + 1, option); |
6c7ed084 | 1964 | |
537b2e5e NC |
1965 | switch (*s) |
1966 | { | |
1967 | case '=': what = CHANGE_SET; break; | |
1968 | case '-': val = - val; /* Drop through. */ | |
1969 | case '+': what = CHANGE_MODIFY; break; | |
1970 | } | |
1971 | ||
1972 | switch (c) | |
5ab41086 | 1973 | { |
537b2e5e NC |
1974 | case OPTION_CHANGE_SECTION_ADDRESS: |
1975 | p->change_vma = what; | |
1976 | p->vma_val = val; | |
1977 | /* Drop through. */ | |
1978 | ||
1979 | case OPTION_CHANGE_SECTION_LMA: | |
1980 | p->change_lma = what; | |
1981 | p->lma_val = val; | |
1982 | break; | |
1983 | ||
1984 | case OPTION_CHANGE_SECTION_VMA: | |
1985 | p->change_vma = what; | |
1986 | p->vma_val = val; | |
1987 | break; | |
5ab41086 | 1988 | } |
6c7ed084 ILT |
1989 | } |
1990 | break; | |
537b2e5e NC |
1991 | case OPTION_CHANGE_ADDRESSES: |
1992 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
1993 | change_start = change_section_address; | |
6c7ed084 | 1994 | break; |
537b2e5e NC |
1995 | case OPTION_CHANGE_WARNINGS: |
1996 | change_warn = true; | |
6c7ed084 | 1997 | break; |
8d2e72a1 RH |
1998 | case OPTION_CHANGE_LEADING_CHAR: |
1999 | change_leading_char = true; | |
2000 | break; | |
f5818d79 ILT |
2001 | case OPTION_DEBUGGING: |
2002 | convert_debugging = true; | |
2003 | break; | |
596d99ba ILT |
2004 | case OPTION_GAP_FILL: |
2005 | { | |
2006 | bfd_vma gap_fill_vma; | |
2007 | ||
2008 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2009 | gap_fill = (bfd_byte) gap_fill_vma; | |
2010 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2011 | { | |
537b2e5e NC |
2012 | char buff[20]; |
2013 | ||
2014 | sprintf_vma (buff, gap_fill_vma); | |
2015 | ||
2016 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), | |
2017 | buff, gap_fill); | |
596d99ba ILT |
2018 | } |
2019 | gap_fill_set = true; | |
2020 | } | |
2021 | break; | |
537b2e5e NC |
2022 | case OPTION_NO_CHANGE_WARNINGS: |
2023 | change_warn = false; | |
6c7ed084 | 2024 | break; |
87a15686 ILT |
2025 | case OPTION_PAD_TO: |
2026 | pad_to = parse_vma (optarg, "--pad-to"); | |
2027 | pad_to_set = true; | |
2028 | break; | |
8d2e72a1 RH |
2029 | case OPTION_REMOVE_LEADING_CHAR: |
2030 | remove_leading_char = true; | |
2031 | break; | |
5ab41086 ILT |
2032 | case OPTION_SET_SECTION_FLAGS: |
2033 | { | |
2034 | const char *s; | |
2035 | int len; | |
2036 | char *name; | |
2037 | ||
2038 | s = strchr (optarg, '='); | |
2039 | if (s == NULL) | |
537b2e5e | 2040 | fatal (_("bad format for --set-section-flags")); |
5ab41086 ILT |
2041 | |
2042 | len = s - optarg; | |
2043 | name = (char *) xmalloc (len + 1); | |
2044 | strncpy (name, optarg, len); | |
2045 | name[len] = '\0'; | |
2046 | ||
2047 | p = find_section_list (name, true); | |
2048 | ||
2049 | p->set_flags = true; | |
2050 | p->flags = parse_flags (s + 1); | |
2051 | } | |
2052 | break; | |
6c7ed084 ILT |
2053 | case OPTION_SET_START: |
2054 | set_start = parse_vma (optarg, "--set-start"); | |
2055 | set_start_set = true; | |
2056 | break; | |
46050fe4 | 2057 | case 0: |
c0367ba5 ILT |
2058 | break; /* we've been given a long option */ |
2059 | case 'h': | |
2060 | copy_usage (stdout, 0); | |
2061 | default: | |
2062 | copy_usage (stderr, 1); | |
46050fe4 ILT |
2063 | } |
2064 | } | |
2065 | ||
2066 | if (show_version) | |
8d2e72a1 | 2067 | print_version ("objcopy"); |
c0367ba5 | 2068 | |
f7b839f7 | 2069 | if (copy_byte >= interleave) |
537b2e5e | 2070 | fatal (_("byte number must be less than interleave")); |
f7b839f7 | 2071 | |
46050fe4 ILT |
2072 | if (optind == argc || optind + 2 < argc) |
2073 | copy_usage (stderr, 1); | |
c0367ba5 ILT |
2074 | |
2075 | input_filename = argv[optind]; | |
2076 | if (optind + 1 < argc) | |
46050fe4 | 2077 | output_filename = argv[optind + 1]; |
c0367ba5 ILT |
2078 | |
2079 | /* Default is to strip no symbols. */ | |
537b2e5e NC |
2080 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) |
2081 | strip_symbols = STRIP_NONE; | |
c0367ba5 ILT |
2082 | |
2083 | if (output_target == (char *) NULL) | |
2084 | output_target = input_target; | |
2085 | ||
8d2e72a1 RH |
2086 | if (preserve_dates) |
2087 | { | |
2088 | if (stat (input_filename, &statbuf) < 0) | |
537b2e5e | 2089 | fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno)); |
8d2e72a1 RH |
2090 | } |
2091 | ||
46050fe4 ILT |
2092 | /* If there is no destination file then create a temp and rename |
2093 | the result into the input. */ | |
2094 | ||
2095 | if (output_filename == (char *) NULL) | |
2096 | { | |
2097 | char *tmpname = make_tempname (input_filename); | |
8d2e72a1 | 2098 | |
46050fe4 ILT |
2099 | copy_file (input_filename, tmpname, input_target, output_target); |
2100 | if (status == 0) | |
8d2e72a1 RH |
2101 | { |
2102 | if (preserve_dates) | |
2103 | set_times (tmpname, &statbuf); | |
2104 | smart_rename (tmpname, input_filename); | |
2105 | } | |
46050fe4 ILT |
2106 | else |
2107 | unlink (tmpname); | |
2108 | } | |
2109 | else | |
2110 | { | |
2111 | copy_file (input_filename, output_filename, input_target, output_target); | |
8d2e72a1 RH |
2112 | if (status == 0 && preserve_dates) |
2113 | set_times (output_filename, &statbuf); | |
46050fe4 ILT |
2114 | } |
2115 | ||
537b2e5e | 2116 | if (change_warn) |
6c7ed084 | 2117 | { |
537b2e5e | 2118 | for (p = change_sections; p != NULL; p = p->next) |
6c7ed084 | 2119 | { |
537b2e5e | 2120 | if (! p->used) |
6c7ed084 | 2121 | { |
537b2e5e NC |
2122 | if (p->change_vma != CHANGE_IGNORE) |
2123 | { | |
2124 | char buff [20]; | |
2125 | ||
2126 | sprintf_vma (buff, p->vma_val); | |
2127 | ||
2128 | /* xgettext:c-format */ | |
2129 | non_fatal (_("Warning: --change-section-vma %s%c0x%s never used"), | |
2130 | p->name, | |
2131 | p->change_vma == CHANGE_SET ? '=' : '+', | |
2132 | buff); | |
2133 | } | |
2134 | ||
2135 | if (p->change_lma != CHANGE_IGNORE) | |
2136 | { | |
2137 | char buff [20]; | |
2138 | ||
2139 | sprintf_vma (buff, p->lma_val); | |
2140 | ||
2141 | /* xgettext:c-format */ | |
2142 | non_fatal (_("Warning: --change-section-lma %s%c0x%s never used"), | |
2143 | p->name, | |
2144 | p->change_lma == CHANGE_SET ? '=' : '+', | |
2145 | buff); | |
2146 | } | |
6c7ed084 ILT |
2147 | } |
2148 | } | |
2149 | } | |
2150 | ||
c0367ba5 ILT |
2151 | return 0; |
2152 | } | |
46050fe4 ILT |
2153 | |
2154 | int | |
2155 | main (argc, argv) | |
2156 | int argc; | |
2157 | char *argv[]; | |
2158 | { | |
537b2e5e | 2159 | #ifdef HAVE_SETLOCALE |
19ac4b08 | 2160 | setlocale (LC_MESSAGES, ""); |
537b2e5e | 2161 | #endif |
19ac4b08 TT |
2162 | bindtextdomain (PACKAGE, LOCALEDIR); |
2163 | textdomain (PACKAGE); | |
2164 | ||
46050fe4 | 2165 | program_name = argv[0]; |
704bbd0d | 2166 | xmalloc_set_program_name (program_name); |
5ab41086 ILT |
2167 | |
2168 | START_PROGRESS (program_name, 0); | |
2169 | ||
537b2e5e NC |
2170 | strip_symbols = STRIP_UNDEF; |
2171 | discard_locals = LOCALS_UNDEF; | |
46050fe4 ILT |
2172 | |
2173 | bfd_init (); | |
8d2e72a1 | 2174 | set_default_bfd_target (); |
46050fe4 ILT |
2175 | |
2176 | if (is_strip < 0) | |
2177 | { | |
2178 | int i = strlen (program_name); | |
87a15686 | 2179 | is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip") == 0); |
46050fe4 ILT |
2180 | } |
2181 | ||
2182 | if (is_strip) | |
2183 | strip_main (argc, argv); | |
2184 | else | |
2185 | copy_main (argc, argv); | |
2186 | ||
5ab41086 ILT |
2187 | END_PROGRESS (program_name); |
2188 | ||
46050fe4 ILT |
2189 | return status; |
2190 | } |