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 | |
9eaac302 NC |
30 | #include "elf/internal.h" |
31 | #include "elf-bfd.h" | |
32 | ||
8d2e72a1 RH |
33 | #ifdef HAVE_GOOD_UTIME_H |
34 | #include <utime.h> | |
35 | #else /* ! HAVE_GOOD_UTIME_H */ | |
36 | #ifdef HAVE_UTIMES | |
37 | #include <sys/time.h> | |
38 | #endif /* HAVE_UTIMES */ | |
39 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
40 | ||
25fd0ed4 ILT |
41 | /* A list of symbols to explicitly strip out, or to keep. A linked |
42 | list is good enough for a small number from the command line, but | |
43 | this will slow things down a lot if many symbols are being | |
44 | deleted. */ | |
45 | ||
46 | struct symlist | |
47 | { | |
48 | const char *name; | |
49 | struct symlist *next; | |
50 | }; | |
51 | ||
8d2e72a1 RH |
52 | static void copy_usage PARAMS ((FILE *, int)); |
53 | static void strip_usage PARAMS ((FILE *, int)); | |
5ab41086 | 54 | static flagword parse_flags PARAMS ((const char *)); |
5ab41086 | 55 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); |
6c7ed084 ILT |
56 | static void setup_section PARAMS ((bfd *, asection *, PTR)); |
57 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
596d99ba | 58 | static void get_sections PARAMS ((bfd *, asection *, PTR)); |
22947e96 | 59 | static int compare_section_lma PARAMS ((const PTR, const PTR)); |
25fd0ed4 ILT |
60 | static void add_specific_symbol PARAMS ((const char *, struct symlist **)); |
61 | static boolean is_specified_symbol PARAMS ((const char *, struct symlist *)); | |
5ab41086 | 62 | static boolean is_strip_section PARAMS ((bfd *, asection *)); |
4af19c61 | 63 | static unsigned int filter_symbols |
8d2e72a1 | 64 | PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long)); |
6c7ed084 | 65 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); |
8d2e72a1 | 66 | static void filter_bytes PARAMS ((char *, bfd_size_type *)); |
f5818d79 | 67 | static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***)); |
8d2e72a1 RH |
68 | static void copy_object PARAMS ((bfd *, bfd *)); |
69 | static void copy_archive PARAMS ((bfd *, bfd *, const char *)); | |
70 | static void copy_file | |
71 | PARAMS ((const char *, const char *, const char *, const char *)); | |
72 | static int simple_copy PARAMS ((const char *, const char *)); | |
73 | static int smart_rename PARAMS ((const char *, const char *)); | |
74 | static void set_times PARAMS ((const char *, const struct stat *)); | |
75 | static int strip_main PARAMS ((int, char **)); | |
76 | static int copy_main PARAMS ((int, char **)); | |
c0367ba5 | 77 | |
9eaac302 | 78 | #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;} |
c0367ba5 | 79 | |
46050fe4 ILT |
80 | static asymbol **isympp = NULL; /* Input symbols */ |
81 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
f7b839f7 DM |
82 | |
83 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
84 | static int copy_byte = -1; | |
85 | static int interleave = 4; | |
86 | ||
46050fe4 | 87 | static boolean verbose; /* Print file and target names. */ |
22947e96 | 88 | static boolean preserve_dates; /* Preserve input file timestamp. */ |
f7b839f7 | 89 | static int status = 0; /* Exit status. */ |
c0367ba5 ILT |
90 | |
91 | enum strip_action | |
46050fe4 | 92 | { |
537b2e5e NC |
93 | STRIP_UNDEF, |
94 | STRIP_NONE, /* don't strip */ | |
95 | STRIP_DEBUG, /* strip all debugger symbols */ | |
96 | STRIP_UNNEEDED, /* strip unnecessary symbols */ | |
97 | STRIP_ALL /* strip all symbols */ | |
46050fe4 | 98 | }; |
c0367ba5 ILT |
99 | |
100 | /* Which symbols to remove. */ | |
46050fe4 | 101 | static enum strip_action strip_symbols; |
c0367ba5 ILT |
102 | |
103 | enum locals_action | |
46050fe4 | 104 | { |
537b2e5e NC |
105 | LOCALS_UNDEF, |
106 | LOCALS_START_L, /* discard locals starting with L */ | |
107 | LOCALS_ALL /* discard all locals */ | |
46050fe4 ILT |
108 | }; |
109 | ||
537b2e5e | 110 | /* Which local symbols to remove. Overrides STRIP_ALL. */ |
46050fe4 ILT |
111 | static enum locals_action discard_locals; |
112 | ||
537b2e5e NC |
113 | /* What kind of change to perform. */ |
114 | enum change_action | |
115 | { | |
116 | CHANGE_IGNORE, | |
117 | CHANGE_MODIFY, | |
118 | CHANGE_SET | |
119 | }; | |
6c7ed084 | 120 | |
537b2e5e | 121 | /* Structure used to hold lists of sections and actions to take. */ |
6c7ed084 ILT |
122 | struct section_list |
123 | { | |
537b2e5e NC |
124 | struct section_list * next; /* Next section to change. */ |
125 | const char * name; /* Section name. */ | |
126 | boolean used; /* Whether this entry was used. */ | |
127 | boolean remove; /* Whether to remove this section. */ | |
128 | enum change_action change_vma;/* Whether to change or set VMA. */ | |
129 | bfd_vma vma_val; /* Amount to change by or set to. */ | |
130 | enum change_action change_lma;/* Whether to change or set LMA. */ | |
131 | bfd_vma lma_val; /* Amount to change by or set to. */ | |
132 | boolean set_flags; /* Whether to set the section flags. */ | |
133 | flagword flags; /* What to set the section flags to. */ | |
6c7ed084 ILT |
134 | }; |
135 | ||
537b2e5e | 136 | static struct section_list *change_sections; |
5ab41086 | 137 | static boolean sections_removed; |
6c7ed084 | 138 | |
537b2e5e NC |
139 | /* Changes to the start address. */ |
140 | static bfd_vma change_start = 0; | |
6c7ed084 ILT |
141 | static boolean set_start_set = false; |
142 | static bfd_vma set_start; | |
143 | ||
537b2e5e NC |
144 | /* Changes to section addresses. */ |
145 | static bfd_vma change_section_address = 0; | |
6c7ed084 | 146 | |
596d99ba ILT |
147 | /* Filling gaps between sections. */ |
148 | static boolean gap_fill_set = false; | |
87a15686 ILT |
149 | static bfd_byte gap_fill = 0; |
150 | ||
151 | /* Pad to a given address. */ | |
152 | static boolean pad_to_set = false; | |
153 | static bfd_vma pad_to; | |
596d99ba | 154 | |
5ab41086 ILT |
155 | /* List of sections to add. */ |
156 | ||
157 | struct section_add | |
158 | { | |
159 | /* Next section to add. */ | |
160 | struct section_add *next; | |
161 | /* Name of section to add. */ | |
162 | const char *name; | |
163 | /* Name of file holding section contents. */ | |
164 | const char *filename; | |
165 | /* Size of file. */ | |
166 | size_t size; | |
167 | /* Contents of file. */ | |
168 | bfd_byte *contents; | |
169 | /* BFD section, after it has been added. */ | |
170 | asection *section; | |
171 | }; | |
172 | ||
173 | static struct section_add *add_sections; | |
174 | ||
f5818d79 ILT |
175 | /* Whether to convert debugging information. */ |
176 | ||
177 | static boolean convert_debugging = false; | |
178 | ||
8d2e72a1 RH |
179 | /* Whether to change the leading character in symbol names. */ |
180 | ||
181 | static boolean change_leading_char = false; | |
182 | ||
183 | /* Whether to remove the leading character from global symbol names. */ | |
184 | ||
185 | static boolean remove_leading_char = false; | |
186 | ||
25fd0ed4 ILT |
187 | /* List of symbols to strip, keep, localize, and weaken. */ |
188 | ||
189 | static struct symlist *strip_specific_list = NULL; | |
190 | static struct symlist *keep_specific_list = NULL; | |
191 | static struct symlist *localize_specific_list = NULL; | |
192 | static struct symlist *weaken_specific_list = NULL; | |
193 | ||
194 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
195 | ||
196 | static boolean weaken = false; | |
197 | ||
9135e5f8 ILT |
198 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
199 | ||
200 | #define OPTION_ADD_SECTION 150 | |
537b2e5e NC |
201 | #define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1) |
202 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1) | |
203 | #define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1) | |
204 | #define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1) | |
205 | #define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1) | |
206 | #define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1) | |
207 | #define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1) | |
208 | #define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1) | |
f5818d79 | 209 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) |
537b2e5e NC |
210 | #define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1) |
211 | #define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1) | |
8d2e72a1 RH |
212 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) |
213 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
9135e5f8 ILT |
214 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) |
215 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
8d2e72a1 | 216 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) |
9135e5f8 | 217 | |
46050fe4 ILT |
218 | /* Options to handle if running as "strip". */ |
219 | ||
220 | static struct option strip_options[] = | |
c0367ba5 | 221 | { |
46050fe4 ILT |
222 | {"discard-all", no_argument, 0, 'x'}, |
223 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 224 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
46050fe4 | 225 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 226 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 | 227 | {"input-target", required_argument, 0, 'I'}, |
9135e5f8 | 228 | {"keep-symbol", required_argument, 0, 'K'}, |
46050fe4 | 229 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 230 | {"output-target", required_argument, 0, 'O'}, |
8d2e72a1 | 231 | {"preserve-dates", no_argument, 0, 'p'}, |
6c7ed084 | 232 | {"remove-section", required_argument, 0, 'R'}, |
f7b839f7 DM |
233 | {"strip-all", no_argument, 0, 's'}, |
234 | {"strip-debug", no_argument, 0, 'S'}, | |
9135e5f8 | 235 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 236 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 237 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 238 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 239 | {"version", no_argument, 0, 'V'}, |
46050fe4 | 240 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
241 | }; |
242 | ||
46050fe4 | 243 | /* Options to handle if running as "objcopy". */ |
c0367ba5 | 244 | |
46050fe4 ILT |
245 | static struct option copy_options[] = |
246 | { | |
5ab41086 | 247 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, |
537b2e5e NC |
248 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, |
249 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
250 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
251 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
f7b839f7 | 252 | {"byte", required_argument, 0, 'b'}, |
537b2e5e | 253 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, |
8d2e72a1 | 254 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, |
537b2e5e NC |
255 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, |
256 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
257 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
258 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
259 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
f5818d79 | 260 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, |
46050fe4 ILT |
261 | {"discard-all", no_argument, 0, 'x'}, |
262 | {"discard-locals", no_argument, 0, 'X'}, | |
f7b839f7 | 263 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
596d99ba | 264 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, |
46050fe4 | 265 | {"help", no_argument, 0, 'h'}, |
46050fe4 | 266 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
f7b839f7 DM |
267 | {"input-target", required_argument, 0, 'I'}, |
268 | {"interleave", required_argument, 0, 'i'}, | |
9135e5f8 | 269 | {"keep-symbol", required_argument, 0, 'K'}, |
537b2e5e NC |
270 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, |
271 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
46050fe4 | 272 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
f7b839f7 | 273 | {"output-target", required_argument, 0, 'O'}, |
87a15686 | 274 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, |
8d2e72a1 | 275 | {"preserve-dates", no_argument, 0, 'p'}, |
246b7c9b | 276 | {"localize-symbol", required_argument, 0, 'L'}, |
8d2e72a1 | 277 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
6c7ed084 | 278 | {"remove-section", required_argument, 0, 'R'}, |
5ab41086 | 279 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
6c7ed084 | 280 | {"set-start", required_argument, 0, OPTION_SET_START}, |
f7b839f7 DM |
281 | {"strip-all", no_argument, 0, 'S'}, |
282 | {"strip-debug", no_argument, 0, 'g'}, | |
9135e5f8 | 283 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, |
4af19c61 | 284 | {"strip-symbol", required_argument, 0, 'N'}, |
46050fe4 | 285 | {"target", required_argument, 0, 'F'}, |
46050fe4 | 286 | {"verbose", no_argument, 0, 'v'}, |
f7b839f7 | 287 | {"version", no_argument, 0, 'V'}, |
8d2e72a1 RH |
288 | {"weaken", no_argument, 0, OPTION_WEAKEN}, |
289 | {"weaken-symbol", required_argument, 0, 'W'}, | |
46050fe4 | 290 | {0, no_argument, 0, 0} |
c0367ba5 ILT |
291 | }; |
292 | ||
293 | /* IMPORTS */ | |
46050fe4 | 294 | extern char *program_name; |
46050fe4 ILT |
295 | |
296 | /* This flag distinguishes between strip and objcopy: | |
297 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
298 | -1 means if we should use argv[0] to decide. */ | |
299 | extern int is_strip; | |
c0367ba5 ILT |
300 | |
301 | ||
46050fe4 | 302 | static void |
5ab41086 | 303 | copy_usage (stream, exit_status) |
c0367ba5 | 304 | FILE *stream; |
5ab41086 | 305 | int exit_status; |
c0367ba5 | 306 | { |
9d04d618 | 307 | fprintf (stream, _("\ |
8d2e72a1 | 308 | Usage: %s [-vVSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\ |
6c7ed084 | 309 | [-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\ |
46050fe4 | 310 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 | 311 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
9d04d618 | 312 | [--discard-locals] [--debugging] [--remove-section=section]\n"), |
5ab41086 | 313 | program_name); |
9d04d618 | 314 | fprintf (stream, _("\ |
8d2e72a1 | 315 | [--gap-fill=val] [--pad-to=address] [--preserve-dates]\n\ |
ce770ed5 NC |
316 | [--set-start=val] \n\ |
317 | [--change-start=incr] [--change-addresses=incr] \n\ | |
318 | (--adjust-start and --adjust-vma are aliases for these two) \n\ | |
537b2e5e NC |
319 | [--change-section-address=section{=,+,-}val]\n\ |
320 | (--adjust-section-vma is an alias for --change-section-address)\n\ | |
321 | [--change-section-lma=section{=,+,-}val]\n\ | |
322 | [--change-section-vma=section{=,+,-}val]\n\ | |
9135e5f8 | 323 | [--adjust-warnings] [--no-adjust-warnings]\n\ |
537b2e5e | 324 | [--change-warnings] [--no-change-warnings]\n\ |
9135e5f8 ILT |
325 | [--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\ |
326 | [--keep-symbol symbol] [-K symbol] [--strip-symbol symbol] [-N symbol]\n\ | |
246b7c9b | 327 | [--localize-symbol symbol] [-L symbol] [--weaken-symbol symbol]\n\ |
8d2e72a1 | 328 | [-W symbol] [--change-leading-char] [--remove-leading-char] [--weaken]\n\ |
9d04d618 | 329 | [--verbose] [--version] [--help] in-file [out-file]\n")); |
be1d162b | 330 | list_supported_targets (program_name, stream); |
8d2e72a1 | 331 | if (exit_status == 0) |
9d04d618 | 332 | fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n")); |
5ab41086 | 333 | exit (exit_status); |
c0367ba5 ILT |
334 | } |
335 | ||
46050fe4 | 336 | static void |
5ab41086 | 337 | strip_usage (stream, exit_status) |
c0367ba5 | 338 | FILE *stream; |
5ab41086 | 339 | int exit_status; |
c0367ba5 | 340 | { |
9d04d618 | 341 | fprintf (stream, _("\ |
8d2e72a1 | 342 | Usage: %s [-vVsSpgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-R section]\n\ |
46050fe4 | 343 | [--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\ |
9135e5f8 ILT |
344 | [--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\ |
345 | [--discard-locals] [--keep-symbol symbol] [-K symbol]\n\ | |
346 | [--strip-symbol symbol] [-N symbol] [--remove-section=section]\n\ | |
9d04d618 | 347 | [-o file] [--preserve-dates] [--verbose] [--version] [--help] file...\n"), |
46050fe4 | 348 | program_name); |
be1d162b | 349 | list_supported_targets (program_name, stream); |
8d2e72a1 | 350 | if (exit_status == 0) |
9d04d618 | 351 | fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n")); |
5ab41086 | 352 | exit (exit_status); |
c0367ba5 ILT |
353 | } |
354 | ||
5ab41086 ILT |
355 | /* Parse section flags into a flagword, with a fatal error if the |
356 | string can't be parsed. */ | |
357 | ||
358 | static flagword | |
359 | parse_flags (s) | |
360 | const char *s; | |
361 | { | |
362 | flagword ret; | |
363 | const char *snext; | |
364 | int len; | |
365 | ||
366 | ret = SEC_NO_FLAGS; | |
367 | ||
368 | do | |
369 | { | |
370 | snext = strchr (s, ','); | |
371 | if (snext == NULL) | |
372 | len = strlen (s); | |
373 | else | |
374 | { | |
375 | len = snext - s; | |
376 | ++snext; | |
377 | } | |
378 | ||
ee1f0bd1 ILT |
379 | if (0) ; |
380 | #define PARSE_FLAG(fname,fval) \ | |
381 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
5ab41086 ILT |
382 | PARSE_FLAG ("alloc", SEC_ALLOC); |
383 | PARSE_FLAG ("load", SEC_LOAD); | |
384 | PARSE_FLAG ("readonly", SEC_READONLY); | |
385 | PARSE_FLAG ("code", SEC_CODE); | |
386 | PARSE_FLAG ("data", SEC_DATA); | |
387 | PARSE_FLAG ("rom", SEC_ROM); | |
ee1f0bd1 | 388 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
5ab41086 | 389 | #undef PARSE_FLAG |
ee1f0bd1 ILT |
390 | else |
391 | { | |
392 | char *copy; | |
393 | ||
394 | copy = xmalloc (len + 1); | |
395 | strncpy (copy, s, len); | |
396 | copy[len] = '\0'; | |
537b2e5e NC |
397 | non_fatal (_("unrecognized section flag `%s'"), copy); |
398 | fatal (_("supported flags: alloc, load, readonly, code, data, rom, contents")); | |
ee1f0bd1 | 399 | } |
5ab41086 ILT |
400 | |
401 | s = snext; | |
402 | } | |
403 | while (s != NULL); | |
404 | ||
405 | return ret; | |
406 | } | |
407 | ||
537b2e5e | 408 | /* Find and optionally add an entry in the change_sections list. */ |
5ab41086 ILT |
409 | |
410 | static struct section_list * | |
411 | find_section_list (name, add) | |
412 | const char *name; | |
413 | boolean add; | |
414 | { | |
415 | register struct section_list *p; | |
416 | ||
537b2e5e | 417 | for (p = change_sections; p != NULL; p = p->next) |
5ab41086 ILT |
418 | if (strcmp (p->name, name) == 0) |
419 | return p; | |
420 | ||
421 | if (! add) | |
422 | return NULL; | |
423 | ||
424 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
425 | p->name = name; | |
426 | p->used = false; | |
427 | p->remove = false; | |
537b2e5e NC |
428 | p->change_vma = CHANGE_IGNORE; |
429 | p->change_lma = CHANGE_IGNORE; | |
430 | p->vma_val = 0; | |
431 | p->lma_val = 0; | |
5ab41086 ILT |
432 | p->set_flags = false; |
433 | p->flags = 0; | |
434 | ||
537b2e5e NC |
435 | p->next = change_sections; |
436 | change_sections = p; | |
5ab41086 ILT |
437 | |
438 | return p; | |
439 | } | |
440 | ||
9135e5f8 ILT |
441 | /* Add a symbol to strip_specific_list. */ |
442 | ||
4af19c61 | 443 | static void |
8d2e72a1 | 444 | add_specific_symbol (name, list) |
4af19c61 | 445 | const char *name; |
8d2e72a1 | 446 | struct symlist **list; |
4af19c61 KR |
447 | { |
448 | struct symlist *tmp_list; | |
449 | ||
450 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
451 | tmp_list->name = name; | |
8d2e72a1 RH |
452 | tmp_list->next = *list; |
453 | *list = tmp_list; | |
4af19c61 KR |
454 | } |
455 | ||
9135e5f8 ILT |
456 | /* See whether a symbol should be stripped or kept based on |
457 | strip_specific_list and keep_symbols. */ | |
458 | ||
5ab41086 | 459 | static boolean |
8d2e72a1 | 460 | is_specified_symbol (name, list) |
4af19c61 | 461 | const char *name; |
8d2e72a1 | 462 | struct symlist *list; |
4af19c61 KR |
463 | { |
464 | struct symlist *tmp_list; | |
465 | ||
8d2e72a1 | 466 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) |
4af19c61 KR |
467 | { |
468 | if (strcmp (name, tmp_list->name) == 0) | |
8d2e72a1 | 469 | return true; |
4af19c61 | 470 | } |
8d2e72a1 | 471 | return false; |
5ab41086 ILT |
472 | } |
473 | ||
474 | /* See if a section is being removed. */ | |
475 | ||
476 | static boolean | |
477 | is_strip_section (abfd, sec) | |
478 | bfd *abfd; | |
479 | asection *sec; | |
480 | { | |
481 | struct section_list *p; | |
482 | ||
be1d162b | 483 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 |
537b2e5e NC |
484 | && (strip_symbols == STRIP_DEBUG |
485 | || strip_symbols == STRIP_UNNEEDED | |
486 | || strip_symbols == STRIP_ALL | |
487 | || discard_locals == LOCALS_ALL | |
f5818d79 | 488 | || convert_debugging)) |
be1d162b ILT |
489 | return true; |
490 | ||
5ab41086 ILT |
491 | if (! sections_removed) |
492 | return false; | |
493 | p = find_section_list (bfd_get_section_name (abfd, sec), false); | |
494 | return p != NULL && p->remove ? true : false; | |
4af19c61 KR |
495 | } |
496 | ||
46050fe4 | 497 | /* Choose which symbol entries to copy; put the result in OSYMS. |
c0367ba5 | 498 | We don't copy in place, because that confuses the relocs. |
46050fe4 ILT |
499 | Return the number of symbols to print. */ |
500 | ||
c0367ba5 | 501 | static unsigned int |
8d2e72a1 | 502 | filter_symbols (abfd, obfd, osyms, isyms, symcount) |
c0367ba5 | 503 | bfd *abfd; |
8d2e72a1 | 504 | bfd *obfd; |
c0367ba5 | 505 | asymbol **osyms, **isyms; |
ae5d2ff5 | 506 | long symcount; |
c0367ba5 ILT |
507 | { |
508 | register asymbol **from = isyms, **to = osyms; | |
ae5d2ff5 | 509 | long src_count = 0, dst_count = 0; |
c0367ba5 | 510 | |
46050fe4 ILT |
511 | for (; src_count < symcount; src_count++) |
512 | { | |
513 | asymbol *sym = from[src_count]; | |
514 | flagword flags = sym->flags; | |
8d2e72a1 | 515 | const char *name = bfd_asymbol_name (sym); |
46050fe4 | 516 | int keep; |
c0367ba5 | 517 | |
8d2e72a1 RH |
518 | if (change_leading_char |
519 | && (bfd_get_symbol_leading_char (abfd) | |
520 | != bfd_get_symbol_leading_char (obfd)) | |
521 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
522 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
523 | { | |
524 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
525 | name = bfd_asymbol_name (sym) = name + 1; | |
526 | else | |
527 | { | |
528 | char *n; | |
529 | ||
530 | n = xmalloc (strlen (name) + 2); | |
531 | n[0] = bfd_get_symbol_leading_char (obfd); | |
532 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
533 | strcpy (n + 1, name); | |
534 | else | |
535 | strcpy (n + 1, name + 1); | |
536 | name = bfd_asymbol_name (sym) = n; | |
537 | } | |
538 | } | |
539 | ||
540 | if (remove_leading_char | |
541 | && ((flags & BSF_GLOBAL) != 0 | |
542 | || (flags & BSF_WEAK) != 0 | |
543 | || bfd_is_und_section (bfd_get_section (sym)) | |
544 | || bfd_is_com_section (bfd_get_section (sym))) | |
545 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
546 | name = bfd_asymbol_name (sym) = name + 1; | |
547 | ||
9135e5f8 | 548 | if ((flags & BSF_KEEP) != 0) /* Used in relocation. */ |
46050fe4 | 549 | keep = 1; |
9135e5f8 | 550 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
8d2e72a1 | 551 | || (flags & BSF_WEAK) != 0 |
9135e5f8 ILT |
552 | || bfd_is_und_section (bfd_get_section (sym)) |
553 | || bfd_is_com_section (bfd_get_section (sym))) | |
537b2e5e | 554 | keep = strip_symbols != STRIP_UNNEEDED; |
46050fe4 | 555 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ |
537b2e5e NC |
556 | keep = (strip_symbols != STRIP_DEBUG |
557 | && strip_symbols != STRIP_UNNEEDED | |
f5818d79 | 558 | && ! convert_debugging); |
46050fe4 | 559 | else /* Local symbol. */ |
537b2e5e NC |
560 | keep = (strip_symbols != STRIP_UNNEEDED |
561 | && (discard_locals != LOCALS_ALL | |
562 | && (discard_locals != LOCALS_START_L | |
9135e5f8 | 563 | || ! bfd_is_local_label (abfd, sym)))); |
4af19c61 | 564 | |
8d2e72a1 | 565 | if (keep && is_specified_symbol (name, strip_specific_list)) |
4af19c61 | 566 | keep = 0; |
8d2e72a1 RH |
567 | if (!keep && is_specified_symbol (name, keep_specific_list)) |
568 | keep = 1; | |
5ab41086 ILT |
569 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) |
570 | keep = 0; | |
4af19c61 | 571 | |
8d2e72a1 RH |
572 | if (keep && (flags & BSF_GLOBAL) != 0 |
573 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
574 | { | |
575 | sym->flags &=~ BSF_GLOBAL; | |
576 | sym->flags |= BSF_WEAK; | |
577 | } | |
578 | if (keep && (flags & (BSF_GLOBAL | BSF_WEAK)) | |
246b7c9b | 579 | && is_specified_symbol (name, localize_specific_list)) |
8d2e72a1 RH |
580 | { |
581 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
582 | sym->flags |= BSF_LOCAL; | |
583 | } | |
584 | ||
46050fe4 ILT |
585 | if (keep) |
586 | to[dst_count++] = sym; | |
c0367ba5 | 587 | } |
c0367ba5 | 588 | |
8d2e72a1 RH |
589 | to[dst_count] = NULL; |
590 | ||
c0367ba5 ILT |
591 | return dst_count; |
592 | } | |
593 | ||
f7b839f7 DM |
594 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
595 | Adjust *SIZE. */ | |
596 | ||
8d2e72a1 | 597 | static void |
f7b839f7 | 598 | filter_bytes (memhunk, size) |
5d2f7e30 | 599 | char *memhunk; |
f7b839f7 DM |
600 | bfd_size_type *size; |
601 | { | |
602 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
603 | ||
604 | for (; from < end; from += interleave) | |
605 | *to++ = *from; | |
606 | *size /= interleave; | |
607 | } | |
608 | ||
46050fe4 ILT |
609 | /* Copy object file IBFD onto OBFD. */ |
610 | ||
c0367ba5 | 611 | static void |
46050fe4 ILT |
612 | copy_object (ibfd, obfd) |
613 | bfd *ibfd; | |
614 | bfd *obfd; | |
c0367ba5 | 615 | { |
6c7ed084 | 616 | bfd_vma start; |
ae5d2ff5 | 617 | long symcount; |
596d99ba ILT |
618 | asection **osections = NULL; |
619 | bfd_size_type *gaps = NULL; | |
620 | bfd_size_type max_gap = 0; | |
c0367ba5 | 621 | |
46050fe4 | 622 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
537b2e5e | 623 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 624 | |
46050fe4 | 625 | if (verbose) |
9d04d618 | 626 | printf (_("copy from %s(%s) to %s(%s)\n"), |
9eaac302 NC |
627 | bfd_get_filename (ibfd), bfd_get_target (ibfd), |
628 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
c0367ba5 | 629 | |
6c7ed084 ILT |
630 | if (set_start_set) |
631 | start = set_start; | |
632 | else | |
a6afc090 | 633 | start = bfd_get_start_address (ibfd); |
537b2e5e | 634 | start += change_start; |
6c7ed084 ILT |
635 | |
636 | if (!bfd_set_start_address (obfd, start) | |
46050fe4 ILT |
637 | || !bfd_set_file_flags (obfd, |
638 | (bfd_get_file_flags (ibfd) | |
639 | & bfd_applicable_file_flags (obfd)))) | |
537b2e5e | 640 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
c0367ba5 | 641 | |
46050fe4 ILT |
642 | /* Copy architecture of input file to output file */ |
643 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
644 | bfd_get_mach (ibfd))) | |
537b2e5e | 645 | non_fatal (_("Warning: Output file cannot represent architecture %s"), |
46050fe4 ILT |
646 | bfd_printable_arch_mach (bfd_get_arch (ibfd), |
647 | bfd_get_mach (ibfd))); | |
537b2e5e | 648 | |
46050fe4 | 649 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
9eaac302 | 650 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
c0367ba5 | 651 | |
46050fe4 ILT |
652 | if (isympp) |
653 | free (isympp); | |
9eaac302 | 654 | |
46050fe4 ILT |
655 | if (osympp != isympp) |
656 | free (osympp); | |
c0367ba5 | 657 | |
9eaac302 | 658 | /* BFD mandates that all output sections be created and sizes set before |
77ccab3c JL |
659 | any output is done. Thus, we traverse all sections multiple times. */ |
660 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
661 | ||
5ab41086 ILT |
662 | if (add_sections != NULL) |
663 | { | |
664 | struct section_add *padd; | |
665 | struct section_list *pset; | |
666 | ||
667 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
668 | { | |
669 | padd->section = bfd_make_section (obfd, padd->name); | |
670 | if (padd->section == NULL) | |
671 | { | |
537b2e5e NC |
672 | non_fatal (_("can't create section `%s': %s"), |
673 | padd->name, bfd_errmsg (bfd_get_error ())); | |
5ab41086 ILT |
674 | status = 1; |
675 | return; | |
676 | } | |
677 | else | |
678 | { | |
679 | flagword flags; | |
680 | ||
681 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) | |
537b2e5e | 682 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 ILT |
683 | |
684 | pset = find_section_list (padd->name, false); | |
685 | if (pset != NULL) | |
686 | pset->used = true; | |
687 | ||
688 | if (pset != NULL && pset->set_flags) | |
689 | flags = pset->flags | SEC_HAS_CONTENTS; | |
690 | else | |
691 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
537b2e5e | 692 | |
5ab41086 | 693 | if (! bfd_set_section_flags (obfd, padd->section, flags)) |
537b2e5e | 694 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 | 695 | |
537b2e5e | 696 | if (pset != NULL) |
5ab41086 | 697 | { |
537b2e5e NC |
698 | if (pset->change_vma != CHANGE_IGNORE) |
699 | if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val)) | |
700 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
701 | ||
702 | if (pset->change_lma != CHANGE_IGNORE) | |
703 | { | |
704 | padd->section->lma = pset->lma_val; | |
705 | ||
706 | if (! bfd_set_section_alignment | |
707 | (obfd, padd->section, | |
708 | bfd_section_alignment (obfd, padd->section))) | |
709 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
710 | } | |
5ab41086 ILT |
711 | } |
712 | } | |
713 | } | |
714 | } | |
715 | ||
87a15686 | 716 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
717 | { |
718 | asection **set; | |
719 | unsigned int c, i; | |
720 | ||
87a15686 ILT |
721 | /* We must fill in gaps between the sections and/or we must pad |
722 | the last section to a specified address. We do this by | |
596d99ba | 723 | grabbing a list of the sections, sorting them by VMA, and |
87a15686 ILT |
724 | increasing the section sizes as required to fill the gaps. |
725 | We write out the gap contents below. */ | |
596d99ba ILT |
726 | |
727 | c = bfd_count_sections (obfd); | |
728 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
729 | set = osections; | |
730 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
731 | ||
22947e96 | 732 | qsort (osections, c, sizeof (asection *), compare_section_lma); |
596d99ba ILT |
733 | |
734 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
87a15686 ILT |
735 | memset (gaps, 0, c * sizeof (bfd_size_type)); |
736 | ||
737 | if (gap_fill_set) | |
738 | { | |
739 | for (i = 0; i < c - 1; i++) | |
740 | { | |
741 | flagword flags; | |
742 | bfd_size_type size; | |
743 | bfd_vma gap_start, gap_stop; | |
744 | ||
745 | flags = bfd_get_section_flags (obfd, osections[i]); | |
746 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
747 | || (flags & SEC_LOAD) == 0) | |
748 | continue; | |
749 | ||
750 | size = bfd_section_size (obfd, osections[i]); | |
22947e96 ILT |
751 | gap_start = bfd_section_lma (obfd, osections[i]) + size; |
752 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
87a15686 ILT |
753 | if (gap_start < gap_stop) |
754 | { | |
755 | if (! bfd_set_section_size (obfd, osections[i], | |
756 | size + (gap_stop - gap_start))) | |
757 | { | |
537b2e5e | 758 | non_fatal (_("Can't fill gap after %s: %s"), |
87a15686 | 759 | bfd_get_section_name (obfd, osections[i]), |
9eaac302 | 760 | bfd_errmsg (bfd_get_error ())); |
87a15686 ILT |
761 | status = 1; |
762 | break; | |
763 | } | |
764 | gaps[i] = gap_stop - gap_start; | |
765 | if (max_gap < gap_stop - gap_start) | |
766 | max_gap = gap_stop - gap_start; | |
767 | } | |
768 | } | |
769 | } | |
770 | ||
771 | if (pad_to_set) | |
596d99ba | 772 | { |
22947e96 | 773 | bfd_vma lma; |
596d99ba | 774 | bfd_size_type size; |
87a15686 | 775 | |
22947e96 | 776 | lma = bfd_section_lma (obfd, osections[c - 1]); |
87a15686 | 777 | size = bfd_section_size (obfd, osections[c - 1]); |
22947e96 | 778 | if (lma + size < pad_to) |
596d99ba | 779 | { |
87a15686 | 780 | if (! bfd_set_section_size (obfd, osections[c - 1], |
22947e96 | 781 | pad_to - lma)) |
596d99ba | 782 | { |
537b2e5e | 783 | non_fatal (_("Can't add padding to %s: %s"), |
87a15686 ILT |
784 | bfd_get_section_name (obfd, osections[c - 1]), |
785 | bfd_errmsg (bfd_get_error ())); | |
596d99ba | 786 | status = 1; |
596d99ba | 787 | } |
87a15686 ILT |
788 | else |
789 | { | |
22947e96 ILT |
790 | gaps[c - 1] = pad_to - (lma + size); |
791 | if (max_gap < pad_to - (lma + size)) | |
792 | max_gap = pad_to - (lma + size); | |
87a15686 | 793 | } |
596d99ba | 794 | } |
22947e96 | 795 | } |
596d99ba ILT |
796 | } |
797 | ||
77ccab3c JL |
798 | /* Symbol filtering must happen after the output sections have |
799 | been created, but before their contents are set. */ | |
537b2e5e | 800 | if (strip_symbols == STRIP_ALL) |
46050fe4 ILT |
801 | { |
802 | osympp = isympp = NULL; | |
803 | symcount = 0; | |
c0367ba5 | 804 | } |
46050fe4 ILT |
805 | else |
806 | { | |
ae5d2ff5 | 807 | long symsize; |
f5818d79 | 808 | PTR dhandle = NULL; |
ae5d2ff5 ILT |
809 | |
810 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
811 | if (symsize < 0) | |
537b2e5e | 812 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
ae5d2ff5 ILT |
813 | |
814 | osympp = isympp = (asymbol **) xmalloc (symsize); | |
46050fe4 | 815 | symcount = bfd_canonicalize_symtab (ibfd, isympp); |
ae5d2ff5 | 816 | if (symcount < 0) |
537b2e5e | 817 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
46050fe4 | 818 | |
f5818d79 ILT |
819 | if (convert_debugging) |
820 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
821 | ||
537b2e5e NC |
822 | if (strip_symbols == STRIP_DEBUG |
823 | || strip_symbols == STRIP_UNNEEDED | |
824 | || discard_locals != LOCALS_UNDEF | |
9135e5f8 | 825 | || strip_specific_list != NULL |
8d2e72a1 | 826 | || keep_specific_list != NULL |
246b7c9b | 827 | || localize_specific_list != NULL |
8d2e72a1 | 828 | || weaken_specific_list != NULL |
f5818d79 | 829 | || sections_removed |
8d2e72a1 RH |
830 | || convert_debugging |
831 | || change_leading_char | |
832 | || remove_leading_char | |
833 | || weaken) | |
c0367ba5 | 834 | { |
77ccab3c JL |
835 | /* Mark symbols used in output relocations so that they |
836 | are kept, even if they are local labels or static symbols. | |
837 | ||
838 | Note we iterate over the input sections examining their | |
839 | relocations since the relocations for the output sections | |
840 | haven't been set yet. mark_symbols_used_in_relocations will | |
841 | ignore input sections which have no corresponding output | |
842 | section. */ | |
843 | bfd_map_over_sections (ibfd, | |
844 | mark_symbols_used_in_relocations, | |
6c7ed084 | 845 | (PTR)isympp); |
8d2e72a1 RH |
846 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); |
847 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
c0367ba5 | 848 | } |
f5818d79 ILT |
849 | |
850 | if (convert_debugging && dhandle != NULL) | |
851 | { | |
852 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
853 | { | |
854 | status = 1; | |
855 | return; | |
856 | } | |
857 | } | |
46050fe4 ILT |
858 | } |
859 | ||
860 | bfd_set_symtab (obfd, osympp, symcount); | |
c0367ba5 | 861 | |
77ccab3c | 862 | /* This has to happen after the symbol table has been set. */ |
f7b839f7 | 863 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); |
6f9077cd | 864 | |
5ab41086 ILT |
865 | if (add_sections != NULL) |
866 | { | |
867 | struct section_add *padd; | |
868 | ||
869 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
870 | { | |
871 | if (! bfd_set_section_contents (obfd, padd->section, | |
872 | (PTR) padd->contents, | |
873 | (file_ptr) 0, | |
874 | (bfd_size_type) padd->size)) | |
537b2e5e | 875 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
5ab41086 ILT |
876 | } |
877 | } | |
878 | ||
87a15686 | 879 | if (gap_fill_set || pad_to_set) |
596d99ba ILT |
880 | { |
881 | bfd_byte *buf; | |
882 | int c, i; | |
883 | ||
884 | /* Fill in the gaps. */ | |
885 | ||
886 | if (max_gap > 8192) | |
887 | max_gap = 8192; | |
888 | buf = (bfd_byte *) xmalloc (max_gap); | |
a445cee7 | 889 | memset (buf, gap_fill, (size_t) max_gap); |
596d99ba ILT |
890 | |
891 | c = bfd_count_sections (obfd); | |
87a15686 | 892 | for (i = 0; i < c; i++) |
596d99ba ILT |
893 | { |
894 | if (gaps[i] != 0) | |
895 | { | |
896 | bfd_size_type left; | |
897 | file_ptr off; | |
898 | ||
899 | left = gaps[i]; | |
900 | off = bfd_section_size (obfd, osections[i]) - left; | |
901 | while (left > 0) | |
902 | { | |
903 | bfd_size_type now; | |
904 | ||
905 | if (left > 8192) | |
906 | now = 8192; | |
907 | else | |
908 | now = left; | |
9eaac302 | 909 | |
596d99ba ILT |
910 | if (! bfd_set_section_contents (obfd, osections[i], buf, |
911 | off, now)) | |
537b2e5e NC |
912 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
913 | ||
596d99ba ILT |
914 | left -= now; |
915 | off += now; | |
916 | } | |
917 | } | |
918 | } | |
919 | } | |
920 | ||
6f9077cd JM |
921 | /* Allow the BFD backend to copy any private data it understands |
922 | from the input BFD to the output BFD. This is done last to | |
923 | permit the routine to look at the filtered symbol table, which is | |
924 | important for the ECOFF code at least. */ | |
925 | if (!bfd_copy_private_bfd_data (ibfd, obfd)) | |
926 | { | |
537b2e5e NC |
927 | non_fatal (_("%s: error copying private BFD data: %s"), |
928 | bfd_get_filename (obfd), | |
929 | bfd_errmsg (bfd_get_error ())); | |
6f9077cd JM |
930 | status = 1; |
931 | return; | |
932 | } | |
c0367ba5 | 933 | } |
46050fe4 | 934 | |
46050fe4 ILT |
935 | /* Read each archive element in turn from IBFD, copy the |
936 | contents to temp file, and keep the temp file handle. */ | |
937 | ||
938 | static void | |
939 | copy_archive (ibfd, obfd, output_target) | |
940 | bfd *ibfd; | |
941 | bfd *obfd; | |
8d2e72a1 | 942 | const char *output_target; |
c0367ba5 | 943 | { |
87a15686 ILT |
944 | struct name_list |
945 | { | |
946 | struct name_list *next; | |
947 | char *name; | |
4c8d7e6b | 948 | bfd *obfd; |
87a15686 | 949 | } *list, *l; |
46050fe4 ILT |
950 | bfd **ptr = &obfd->archive_head; |
951 | bfd *this_element; | |
90f6517d | 952 | char *dir = make_tempname (bfd_get_filename (obfd)); |
46050fe4 ILT |
953 | |
954 | /* Make a temp directory to hold the contents. */ | |
eaa147a6 ILT |
955 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
956 | if (mkdir (dir) != 0) | |
957 | #else | |
9135e5f8 | 958 | if (mkdir (dir, 0700) != 0) |
eaa147a6 | 959 | #endif |
9135e5f8 | 960 | { |
9d04d618 | 961 | fatal (_("cannot mkdir %s for archive copying (error: %s)"), |
9135e5f8 ILT |
962 | dir, strerror (errno)); |
963 | } | |
46050fe4 ILT |
964 | obfd->has_armap = ibfd->has_armap; |
965 | ||
87a15686 ILT |
966 | list = NULL; |
967 | ||
46050fe4 | 968 | this_element = bfd_openr_next_archived_file (ibfd, NULL); |
6cddf7d9 | 969 | while (!status && this_element != (bfd *) NULL) |
46050fe4 ILT |
970 | { |
971 | /* Create an output file for this member. */ | |
9eaac302 | 972 | char *output_name = concat (dir, "/", bfd_get_filename (this_element), |
8d2e72a1 | 973 | (char *) NULL); |
46050fe4 | 974 | bfd *output_bfd = bfd_openw (output_name, output_target); |
87a15686 ILT |
975 | bfd *last_element; |
976 | ||
977 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
978 | l->name = output_name; | |
979 | l->next = list; | |
980 | list = l; | |
46050fe4 ILT |
981 | |
982 | if (output_bfd == (bfd *) NULL) | |
537b2e5e NC |
983 | RETURN_NONFATAL (output_name); |
984 | ||
46050fe4 | 985 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
537b2e5e | 986 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 987 | |
46050fe4 | 988 | if (bfd_check_format (this_element, bfd_object) == true) |
537b2e5e | 989 | copy_object (this_element, output_bfd); |
c0367ba5 | 990 | |
6cddf7d9 VM |
991 | if (!bfd_close (output_bfd)) |
992 | { | |
993 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
994 | /* Error in new object file. Don't change archive. */ | |
995 | status = 1; | |
996 | } | |
87a15686 ILT |
997 | |
998 | /* Open the newly output file and attach to our list. */ | |
46050fe4 | 999 | output_bfd = bfd_openr (output_name, output_target); |
c0367ba5 | 1000 | |
4c8d7e6b ILT |
1001 | l->obfd = output_bfd; |
1002 | ||
46050fe4 ILT |
1003 | *ptr = output_bfd; |
1004 | ptr = &output_bfd->next; | |
87a15686 ILT |
1005 | |
1006 | last_element = this_element; | |
1007 | ||
1008 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
1009 | ||
1010 | bfd_close (last_element); | |
c0367ba5 | 1011 | } |
46050fe4 | 1012 | *ptr = (bfd *) NULL; |
c0367ba5 | 1013 | |
46050fe4 | 1014 | if (!bfd_close (obfd)) |
537b2e5e | 1015 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
c0367ba5 | 1016 | |
46050fe4 | 1017 | if (!bfd_close (ibfd)) |
537b2e5e | 1018 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
4c8d7e6b ILT |
1019 | |
1020 | /* Delete all the files that we opened. */ | |
1021 | for (l = list; l != NULL; l = l->next) | |
1022 | { | |
1023 | bfd_close (l->obfd); | |
1024 | unlink (l->name); | |
1025 | } | |
1026 | rmdir (dir); | |
c0367ba5 ILT |
1027 | } |
1028 | ||
46050fe4 ILT |
1029 | /* The top-level control. */ |
1030 | ||
1031 | static void | |
1032 | copy_file (input_filename, output_filename, input_target, output_target) | |
8d2e72a1 RH |
1033 | const char *input_filename; |
1034 | const char *output_filename; | |
1035 | const char *input_target; | |
1036 | const char *output_target; | |
c0367ba5 | 1037 | { |
46050fe4 | 1038 | bfd *ibfd; |
cef35d48 | 1039 | char **matching; |
c0367ba5 ILT |
1040 | |
1041 | /* To allow us to do "strip *" without dying on the first | |
1042 | non-object file, failures are nonfatal. */ | |
1043 | ||
46050fe4 | 1044 | ibfd = bfd_openr (input_filename, input_target); |
c0367ba5 | 1045 | if (ibfd == NULL) |
537b2e5e | 1046 | RETURN_NONFATAL (input_filename); |
c0367ba5 | 1047 | |
cef35d48 DM |
1048 | if (bfd_check_format (ibfd, bfd_archive)) |
1049 | { | |
6c7ed084 ILT |
1050 | bfd *obfd; |
1051 | ||
1052 | /* bfd_get_target does not return the correct value until | |
1053 | bfd_check_format succeeds. */ | |
1054 | if (output_target == NULL) | |
1055 | output_target = bfd_get_target (ibfd); | |
1056 | ||
1057 | obfd = bfd_openw (output_filename, output_target); | |
cef35d48 | 1058 | if (obfd == NULL) |
537b2e5e NC |
1059 | RETURN_NONFATAL (output_filename); |
1060 | ||
cef35d48 DM |
1061 | copy_archive (ibfd, obfd, output_target); |
1062 | } | |
1063 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
46050fe4 | 1064 | { |
6c7ed084 ILT |
1065 | bfd *obfd; |
1066 | ||
1067 | /* bfd_get_target does not return the correct value until | |
1068 | bfd_check_format succeeds. */ | |
1069 | if (output_target == NULL) | |
1070 | output_target = bfd_get_target (ibfd); | |
1071 | ||
1072 | obfd = bfd_openw (output_filename, output_target); | |
46050fe4 | 1073 | if (obfd == NULL) |
537b2e5e | 1074 | RETURN_NONFATAL (output_filename); |
c0367ba5 | 1075 | |
46050fe4 | 1076 | copy_object (ibfd, obfd); |
c0367ba5 | 1077 | |
46050fe4 | 1078 | if (!bfd_close (obfd)) |
537b2e5e | 1079 | RETURN_NONFATAL (output_filename); |
46050fe4 ILT |
1080 | |
1081 | if (!bfd_close (ibfd)) | |
537b2e5e | 1082 | RETURN_NONFATAL (input_filename); |
46050fe4 | 1083 | } |
cef35d48 | 1084 | else |
46050fe4 | 1085 | { |
cef35d48 | 1086 | bfd_nonfatal (input_filename); |
537b2e5e | 1087 | |
c9563567 | 1088 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
46050fe4 | 1089 | { |
cef35d48 DM |
1090 | list_matching_formats (matching); |
1091 | free (matching); | |
46050fe4 | 1092 | } |
537b2e5e | 1093 | |
cef35d48 | 1094 | status = 1; |
46050fe4 ILT |
1095 | } |
1096 | } | |
1097 | ||
1098 | /* Create a section in OBFD with the same name and attributes | |
1099 | as ISECTION in IBFD. */ | |
c0367ba5 | 1100 | |
c0367ba5 | 1101 | static void |
6c7ed084 | 1102 | setup_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1103 | bfd *ibfd; |
1104 | sec_ptr isection; | |
6c7ed084 | 1105 | PTR obfdarg; |
c0367ba5 | 1106 | { |
6c7ed084 ILT |
1107 | bfd *obfd = (bfd *) obfdarg; |
1108 | struct section_list *p; | |
46050fe4 | 1109 | sec_ptr osection; |
6cddf7d9 | 1110 | bfd_size_type size; |
6c7ed084 | 1111 | bfd_vma vma; |
f5818d79 | 1112 | bfd_vma lma; |
5ab41086 | 1113 | flagword flags; |
46050fe4 ILT |
1114 | char *err; |
1115 | ||
1116 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
537b2e5e NC |
1117 | && (strip_symbols == STRIP_DEBUG |
1118 | || strip_symbols == STRIP_UNNEEDED | |
1119 | || strip_symbols == STRIP_ALL | |
1120 | || discard_locals == LOCALS_ALL | |
f5818d79 | 1121 | || convert_debugging)) |
46050fe4 ILT |
1122 | return; |
1123 | ||
5ab41086 ILT |
1124 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1125 | if (p != NULL) | |
1126 | p->used = true; | |
1127 | ||
1128 | if (p != NULL && p->remove) | |
1129 | return; | |
6c7ed084 | 1130 | |
77ccab3c | 1131 | osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection)); |
9eaac302 | 1132 | |
46050fe4 ILT |
1133 | if (osection == NULL) |
1134 | { | |
77ccab3c JL |
1135 | err = "making"; |
1136 | goto loser; | |
c0367ba5 ILT |
1137 | } |
1138 | ||
6cddf7d9 VM |
1139 | size = bfd_section_size (ibfd, isection); |
1140 | if (copy_byte >= 0) | |
1141 | size = (size + interleave - 1) / interleave; | |
1142 | if (! bfd_set_section_size (obfd, osection, size)) | |
46050fe4 ILT |
1143 | { |
1144 | err = "size"; | |
1145 | goto loser; | |
c0367ba5 | 1146 | } |
9eaac302 | 1147 | |
6c7ed084 | 1148 | vma = bfd_section_vma (ibfd, isection); |
537b2e5e NC |
1149 | if (p != NULL && p->change_vma == CHANGE_MODIFY) |
1150 | vma += p->vma_val; | |
1151 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
1152 | vma = p->vma_val; | |
5ab41086 | 1153 | else |
537b2e5e NC |
1154 | vma += change_section_address; |
1155 | ||
6c7ed084 | 1156 | if (! bfd_set_section_vma (obfd, osection, vma)) |
46050fe4 ILT |
1157 | { |
1158 | err = "vma"; | |
1159 | goto loser; | |
1160 | } | |
c0367ba5 | 1161 | |
f5818d79 | 1162 | lma = isection->lma; |
537b2e5e NC |
1163 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) |
1164 | { | |
1165 | if (p->change_lma == CHANGE_MODIFY) | |
1166 | lma += p->lma_val; | |
1167 | else if (p->change_lma == CHANGE_SET) | |
1168 | lma = p->lma_val; | |
1169 | else | |
9eaac302 | 1170 | abort (); |
537b2e5e | 1171 | } |
f5818d79 | 1172 | else |
537b2e5e NC |
1173 | lma += change_section_address; |
1174 | ||
f5818d79 ILT |
1175 | osection->lma = lma; |
1176 | ||
537b2e5e NC |
1177 | /* FIXME: This is probably not enough. If we change the LMA we |
1178 | may have to recompute the header for the file as well. */ | |
46050fe4 ILT |
1179 | if (bfd_set_section_alignment (obfd, |
1180 | osection, | |
1181 | bfd_section_alignment (ibfd, isection)) | |
1182 | == false) | |
1183 | { | |
1184 | err = "alignment"; | |
1185 | goto loser; | |
1186 | } | |
c0367ba5 | 1187 | |
842eba66 | 1188 | flags = bfd_get_section_flags (ibfd, isection); |
5ab41086 | 1189 | if (p != NULL && p->set_flags) |
842eba66 | 1190 | flags = p->flags | (flags & SEC_HAS_CONTENTS); |
5ab41086 | 1191 | if (!bfd_set_section_flags (obfd, osection, flags)) |
46050fe4 ILT |
1192 | { |
1193 | err = "flags"; | |
1194 | goto loser; | |
c0367ba5 ILT |
1195 | } |
1196 | ||
c9563567 JL |
1197 | /* This used to be mangle_section; we do here to avoid using |
1198 | bfd_get_section_by_name since some formats allow multiple | |
1199 | sections with the same name. */ | |
1200 | isection->output_section = osection; | |
1201 | isection->output_offset = 0; | |
1202 | ||
77ccab3c JL |
1203 | /* Allow the BFD backend to copy any private data it understands |
1204 | from the input section to the output section. */ | |
1205 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1206 | { | |
1207 | err = "private data"; | |
1208 | goto loser; | |
1209 | } | |
1210 | ||
46050fe4 ILT |
1211 | /* All went well */ |
1212 | return; | |
c0367ba5 ILT |
1213 | |
1214 | loser: | |
537b2e5e NC |
1215 | non_fatal (_("%s: section `%s': error in %s: %s"), |
1216 | bfd_get_filename (ibfd), | |
1217 | bfd_section_name (ibfd, isection), | |
1218 | err, bfd_errmsg (bfd_get_error ())); | |
46050fe4 ILT |
1219 | status = 1; |
1220 | } | |
1221 | ||
1222 | /* Copy the data of input section ISECTION of IBFD | |
1223 | to an output section with the same name in OBFD. | |
1224 | If stripping then don't copy any relocation info. */ | |
1225 | ||
c0367ba5 | 1226 | static void |
6c7ed084 | 1227 | copy_section (ibfd, isection, obfdarg) |
46050fe4 ILT |
1228 | bfd *ibfd; |
1229 | sec_ptr isection; | |
6c7ed084 | 1230 | PTR obfdarg; |
c0367ba5 | 1231 | { |
6c7ed084 ILT |
1232 | bfd *obfd = (bfd *) obfdarg; |
1233 | struct section_list *p; | |
46050fe4 | 1234 | arelent **relpp; |
ae5d2ff5 | 1235 | long relcount; |
46050fe4 ILT |
1236 | sec_ptr osection; |
1237 | bfd_size_type size; | |
1238 | ||
537b2e5e NC |
1239 | /* If we have already failed earlier on, do not keep on generating |
1240 | complaints now. */ | |
1241 | if (status != 0) | |
1242 | return; | |
1243 | ||
46050fe4 | 1244 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
537b2e5e NC |
1245 | && (strip_symbols == STRIP_DEBUG |
1246 | || strip_symbols == STRIP_UNNEEDED | |
1247 | || strip_symbols == STRIP_ALL | |
1248 | || discard_locals == LOCALS_ALL | |
f5818d79 | 1249 | || convert_debugging)) |
46050fe4 ILT |
1250 | { |
1251 | return; | |
1252 | } | |
c0367ba5 | 1253 | |
5ab41086 ILT |
1254 | p = find_section_list (bfd_section_name (ibfd, isection), false); |
1255 | ||
1256 | if (p != NULL && p->remove) | |
1257 | return; | |
6c7ed084 | 1258 | |
77ccab3c | 1259 | osection = isection->output_section; |
46050fe4 | 1260 | size = bfd_get_section_size_before_reloc (isection); |
c0367ba5 | 1261 | |
77ccab3c | 1262 | if (size == 0 || osection == 0) |
c0367ba5 ILT |
1263 | return; |
1264 | ||
537b2e5e | 1265 | if (strip_symbols == STRIP_ALL) |
ae5d2ff5 | 1266 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); |
46050fe4 | 1267 | else |
c0367ba5 | 1268 | { |
ae5d2ff5 ILT |
1269 | long relsize; |
1270 | ||
1271 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1272 | if (relsize < 0) | |
537b2e5e NC |
1273 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
1274 | ||
ae5d2ff5 ILT |
1275 | if (relsize == 0) |
1276 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1277 | else | |
1278 | { | |
1279 | relpp = (arelent **) xmalloc (relsize); | |
1280 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1281 | if (relcount < 0) | |
537b2e5e NC |
1282 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
1283 | ||
ae5d2ff5 ILT |
1284 | bfd_set_reloc (obfd, osection, relpp, relcount); |
1285 | } | |
c0367ba5 ILT |
1286 | } |
1287 | ||
1288 | isection->_cooked_size = isection->_raw_size; | |
46050fe4 | 1289 | isection->reloc_done = true; |
c0367ba5 | 1290 | |
46050fe4 | 1291 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) |
c0367ba5 | 1292 | { |
46050fe4 | 1293 | PTR memhunk = (PTR) xmalloc ((unsigned) size); |
c0367ba5 | 1294 | |
46050fe4 ILT |
1295 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, |
1296 | size)) | |
537b2e5e | 1297 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
c0367ba5 | 1298 | |
6f9077cd | 1299 | if (copy_byte >= 0) |
6cddf7d9 | 1300 | filter_bytes (memhunk, &size); |
f7b839f7 | 1301 | |
46050fe4 ILT |
1302 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, |
1303 | size)) | |
537b2e5e NC |
1304 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
1305 | ||
46050fe4 | 1306 | free (memhunk); |
ee1f0bd1 | 1307 | } |
eaa147a6 | 1308 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) |
ee1f0bd1 ILT |
1309 | { |
1310 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1311 | ||
1312 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1313 | flag--they can just remove the section entirely and add it | |
1314 | back again. However, we do permit them to turn on the | |
1315 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1316 | contents should be zeroed out. */ | |
1317 | ||
1318 | memset (memhunk, 0, size); | |
1319 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1320 | size)) | |
537b2e5e | 1321 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
ee1f0bd1 | 1322 | free (memhunk); |
c0367ba5 | 1323 | } |
46050fe4 | 1324 | } |
c0367ba5 | 1325 | |
87a15686 ILT |
1326 | /* Get all the sections. This is used when --gap-fill or --pad-to is |
1327 | used. */ | |
596d99ba ILT |
1328 | |
1329 | static void | |
1330 | get_sections (obfd, osection, secppparg) | |
1331 | bfd *obfd; | |
1332 | asection *osection; | |
1333 | PTR secppparg; | |
1334 | { | |
1335 | asection ***secppp = (asection ***) secppparg; | |
1336 | ||
1337 | **secppp = osection; | |
1338 | ++(*secppp); | |
1339 | } | |
1340 | ||
1341 | /* Sort sections by VMA. This is called via qsort, and is used when | |
87a15686 ILT |
1342 | --gap-fill or --pad-to is used. We force non loadable or empty |
1343 | sections to the front, where they are easier to ignore. */ | |
596d99ba ILT |
1344 | |
1345 | static int | |
22947e96 | 1346 | compare_section_lma (arg1, arg2) |
596d99ba ILT |
1347 | const PTR arg1; |
1348 | const PTR arg2; | |
1349 | { | |
1350 | const asection **sec1 = (const asection **) arg1; | |
1351 | const asection **sec2 = (const asection **) arg2; | |
87a15686 ILT |
1352 | flagword flags1, flags2; |
1353 | ||
1354 | /* Sort non loadable sections to the front. */ | |
1355 | flags1 = (*sec1)->flags; | |
1356 | flags2 = (*sec2)->flags; | |
1357 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1358 | || (flags1 & SEC_LOAD) == 0) | |
1359 | { | |
1360 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1361 | && (flags2 & SEC_LOAD) != 0) | |
1362 | return -1; | |
1363 | } | |
1364 | else | |
1365 | { | |
1366 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1367 | || (flags2 & SEC_LOAD) == 0) | |
1368 | return 1; | |
1369 | } | |
596d99ba | 1370 | |
22947e96 ILT |
1371 | /* Sort sections by LMA. */ |
1372 | if ((*sec1)->lma > (*sec2)->lma) | |
596d99ba | 1373 | return 1; |
22947e96 | 1374 | else if ((*sec1)->lma < (*sec2)->lma) |
596d99ba | 1375 | return -1; |
87a15686 | 1376 | |
22947e96 | 1377 | /* Sort sections with the same LMA by size. */ |
87a15686 ILT |
1378 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) |
1379 | return 1; | |
1380 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1381 | return -1; | |
1382 | ||
1383 | return 0; | |
596d99ba ILT |
1384 | } |
1385 | ||
77ccab3c JL |
1386 | /* Mark all the symbols which will be used in output relocations with |
1387 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1388 | ||
1389 | Ignore relocations which will not appear in the output file. */ | |
1390 | ||
1391 | static void | |
6c7ed084 | 1392 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) |
77ccab3c JL |
1393 | bfd *ibfd; |
1394 | sec_ptr isection; | |
6c7ed084 | 1395 | PTR symbolsarg; |
77ccab3c | 1396 | { |
6c7ed084 | 1397 | asymbol **symbols = (asymbol **) symbolsarg; |
ae5d2ff5 | 1398 | long relsize; |
77ccab3c | 1399 | arelent **relpp; |
ae5d2ff5 | 1400 | long relcount, i; |
77ccab3c JL |
1401 | |
1402 | /* Ignore an input section with no corresponding output section. */ | |
1403 | if (isection->output_section == NULL) | |
1404 | return; | |
1405 | ||
ae5d2ff5 ILT |
1406 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1407 | if (relsize < 0) | |
1408 | bfd_fatal (bfd_get_filename (ibfd)); | |
1409 | ||
a445cee7 | 1410 | if (relsize == 0) |
28b5eb12 | 1411 | return; |
a445cee7 | 1412 | |
ae5d2ff5 | 1413 | relpp = (arelent **) xmalloc (relsize); |
77ccab3c | 1414 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); |
ae5d2ff5 ILT |
1415 | if (relcount < 0) |
1416 | bfd_fatal (bfd_get_filename (ibfd)); | |
77ccab3c JL |
1417 | |
1418 | /* Examine each symbol used in a relocation. If it's not one of the | |
1419 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
1420 | for (i = 0; i < relcount; i++) | |
1421 | { | |
6c7ed084 ILT |
1422 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1423 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1424 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
77ccab3c JL |
1425 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; |
1426 | } | |
1427 | ||
1428 | if (relpp != NULL) | |
1429 | free (relpp); | |
1430 | } | |
1431 | ||
f5818d79 ILT |
1432 | /* Write out debugging information. */ |
1433 | ||
1434 | static boolean | |
1435 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1436 | bfd *obfd; | |
1437 | PTR dhandle; | |
1438 | long *symcountp; | |
1439 | asymbol ***symppp; | |
1440 | { | |
1441 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1442 | return write_ieee_debugging_info (obfd, dhandle); | |
1443 | ||
8d2e72a1 RH |
1444 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour |
1445 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1446 | { | |
1447 | bfd_byte *syms, *strings; | |
1448 | bfd_size_type symsize, stringsize; | |
1449 | asection *stabsec, *stabstrsec; | |
1450 | ||
1451 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1452 | &symsize, &strings, | |
1453 | &stringsize)) | |
1454 | return false; | |
1455 | ||
1456 | stabsec = bfd_make_section (obfd, ".stab"); | |
1457 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1458 | if (stabsec == NULL | |
1459 | || stabstrsec == NULL | |
1460 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1461 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1462 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1463 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1464 | || ! bfd_set_section_flags (obfd, stabsec, | |
1465 | (SEC_HAS_CONTENTS | |
1466 | | SEC_READONLY | |
1467 | | SEC_DEBUGGING)) | |
1468 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1469 | (SEC_HAS_CONTENTS | |
1470 | | SEC_READONLY | |
1471 | | SEC_DEBUGGING))) | |
1472 | { | |
537b2e5e NC |
1473 | non_fatal (_("%s: can't create debugging section: %s"), |
1474 | bfd_get_filename (obfd), | |
1475 | bfd_errmsg (bfd_get_error ())); | |
8d2e72a1 RH |
1476 | return false; |
1477 | } | |
1478 | ||
1479 | /* We can get away with setting the section contents now because | |
1480 | the next thing the caller is going to do is copy over the | |
1481 | real sections. We may someday have to split the contents | |
1482 | setting out of this function. */ | |
1483 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1484 | symsize) | |
1485 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1486 | (file_ptr) 0, stringsize)) | |
1487 | { | |
537b2e5e NC |
1488 | non_fatal (_("%s: can't set debugging section contents: %s"), |
1489 | bfd_get_filename (obfd), | |
1490 | bfd_errmsg (bfd_get_error ())); | |
8d2e72a1 RH |
1491 | return false; |
1492 | } | |
1493 | ||
1494 | return true; | |
1495 | } | |
1496 | ||
537b2e5e NC |
1497 | non_fatal (_("%s: don't know how to write debugging information for %s"), |
1498 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
f5818d79 ILT |
1499 | return false; |
1500 | } | |
1501 | ||
46050fe4 ILT |
1502 | /* The number of bytes to copy at once. */ |
1503 | #define COPY_BUF 8192 | |
1504 | ||
1505 | /* Copy file FROM to file TO, performing no translations. | |
1506 | Return 0 if ok, -1 if error. */ | |
1507 | ||
1508 | static int | |
1509 | simple_copy (from, to) | |
8d2e72a1 RH |
1510 | const char *from; |
1511 | const char *to; | |
c0367ba5 | 1512 | { |
46050fe4 | 1513 | int fromfd, tofd, nread; |
d1a917c5 | 1514 | int saved; |
46050fe4 ILT |
1515 | char buf[COPY_BUF]; |
1516 | ||
1517 | fromfd = open (from, O_RDONLY); | |
1518 | if (fromfd < 0) | |
1519 | return -1; | |
28b5eb12 | 1520 | tofd = creat (to, 0777); |
46050fe4 ILT |
1521 | if (tofd < 0) |
1522 | { | |
d1a917c5 | 1523 | saved = errno; |
46050fe4 | 1524 | close (fromfd); |
d1a917c5 | 1525 | errno = saved; |
46050fe4 ILT |
1526 | return -1; |
1527 | } | |
1528 | while ((nread = read (fromfd, buf, sizeof buf)) > 0) | |
1529 | { | |
1530 | if (write (tofd, buf, nread) != nread) | |
1531 | { | |
d1a917c5 | 1532 | saved = errno; |
46050fe4 ILT |
1533 | close (fromfd); |
1534 | close (tofd); | |
d1a917c5 | 1535 | errno = saved; |
46050fe4 ILT |
1536 | return -1; |
1537 | } | |
1538 | } | |
d1a917c5 | 1539 | saved = errno; |
46050fe4 ILT |
1540 | close (fromfd); |
1541 | close (tofd); | |
1542 | if (nread < 0) | |
d1a917c5 ILT |
1543 | { |
1544 | errno = saved; | |
1545 | return -1; | |
1546 | } | |
46050fe4 ILT |
1547 | return 0; |
1548 | } | |
c0367ba5 | 1549 | |
46050fe4 ILT |
1550 | #ifndef S_ISLNK |
1551 | #ifdef S_IFLNK | |
1552 | #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) | |
1553 | #else | |
1554 | #define S_ISLNK(m) 0 | |
1555 | #define lstat stat | |
1556 | #endif | |
1557 | #endif | |
1558 | ||
1559 | /* Rename FROM to TO, copying if TO is a link. | |
1560 | Assumes that TO already exists, because FROM is a temp file. | |
1561 | Return 0 if ok, -1 if error. */ | |
1562 | ||
1563 | static int | |
1564 | smart_rename (from, to) | |
8d2e72a1 RH |
1565 | const char *from; |
1566 | const char *to; | |
46050fe4 ILT |
1567 | { |
1568 | struct stat s; | |
1569 | int ret = 0; | |
c0367ba5 | 1570 | |
46050fe4 ILT |
1571 | if (lstat (to, &s)) |
1572 | return -1; | |
c0367ba5 | 1573 | |
eaa147a6 ILT |
1574 | #if defined (_WIN32) && !defined (__CYGWIN32__) |
1575 | /* Win32, unlike unix, will not erase `to' in `rename(from, to)' but | |
1576 | fail instead. Also, chown is not present. */ | |
1577 | ||
1578 | if (stat (to, &s) == 0) | |
1579 | remove (to); | |
1580 | ||
1581 | ret = rename (from, to); | |
1582 | if (ret != 0) | |
1583 | { | |
1584 | /* We have to clean up here. */ | |
537b2e5e NC |
1585 | |
1586 | non_fatal (_("%s: rename: %s"), to, strerror (errno)); | |
eaa147a6 ILT |
1587 | unlink (from); |
1588 | } | |
1589 | #else | |
46050fe4 ILT |
1590 | /* Use rename only if TO is not a symbolic link and has |
1591 | only one hard link. */ | |
1592 | if (!S_ISLNK (s.st_mode) && s.st_nlink == 1) | |
1593 | { | |
1594 | ret = rename (from, to); | |
1595 | if (ret == 0) | |
1596 | { | |
8d2e72a1 RH |
1597 | /* Try to preserve the permission bits and ownership of TO. |
1598 | First get the mode right except for the setuid bit. Then | |
1599 | change the ownership. Then fix the setuid bit. We do | |
1600 | the chmod before the chown because if the chown succeeds, | |
1601 | and we are a normal user, we won't be able to do the | |
1602 | chmod afterward. We don't bother to fix the setuid bit | |
1603 | first because that might introduce a fleeting security | |
1604 | problem, and because the chown will clear the setuid bit | |
1605 | anyhow. We only fix the setuid bit if the chown | |
1606 | succeeds, because we don't want to introduce an | |
1607 | unexpected setuid file owned by the user running objcopy. */ | |
1608 | chmod (to, s.st_mode & 0777); | |
1609 | if (chown (to, s.st_uid, s.st_gid) >= 0) | |
1610 | chmod (to, s.st_mode & 07777); | |
46050fe4 | 1611 | } |
9135e5f8 ILT |
1612 | else |
1613 | { | |
1614 | /* We have to clean up here. */ | |
537b2e5e | 1615 | non_fatal (_("%s: rename: %s"), to, strerror (errno)); |
9135e5f8 ILT |
1616 | unlink (from); |
1617 | } | |
46050fe4 ILT |
1618 | } |
1619 | else | |
1620 | { | |
1621 | ret = simple_copy (from, to); | |
d1a917c5 | 1622 | if (ret != 0) |
537b2e5e NC |
1623 | non_fatal (_("%s: simple_copy: %s"), to, strerror (errno)); |
1624 | ||
22947e96 ILT |
1625 | if (preserve_dates) |
1626 | set_times (to, &s); | |
d1a917c5 | 1627 | unlink (from); |
46050fe4 | 1628 | } |
eaa147a6 ILT |
1629 | #endif /* _WIN32 && !__CYGWIN32__ */ |
1630 | ||
46050fe4 ILT |
1631 | return ret; |
1632 | } | |
1633 | ||
8d2e72a1 RH |
1634 | /* Set the times of the file DESTINATION to be the same as those in |
1635 | STATBUF. */ | |
1636 | ||
1637 | static void | |
1638 | set_times (destination, statbuf) | |
1639 | const char *destination; | |
1640 | const struct stat *statbuf; | |
1641 | { | |
1642 | int result; | |
1643 | ||
1644 | { | |
1645 | #ifdef HAVE_GOOD_UTIME_H | |
1646 | struct utimbuf tb; | |
1647 | ||
1648 | tb.actime = statbuf->st_atime; | |
1649 | tb.modtime = statbuf->st_mtime; | |
1650 | result = utime (destination, &tb); | |
1651 | #else /* ! HAVE_GOOD_UTIME_H */ | |
1652 | #ifndef HAVE_UTIMES | |
1653 | long tb[2]; | |
1654 | ||
1655 | tb[0] = statbuf->st_atime; | |
1656 | tb[1] = statbuf->st_mtime; | |
1657 | result = utime (destination, tb); | |
1658 | #else /* HAVE_UTIMES */ | |
1659 | struct timeval tv[2]; | |
1660 | ||
1661 | tv[0].tv_sec = statbuf->st_atime; | |
1662 | tv[0].tv_usec = 0; | |
1663 | tv[1].tv_sec = statbuf->st_mtime; | |
1664 | tv[1].tv_usec = 0; | |
1665 | result = utimes (destination, tv); | |
1666 | #endif /* HAVE_UTIMES */ | |
1667 | #endif /* ! HAVE_GOOD_UTIME_H */ | |
1668 | } | |
1669 | ||
1670 | if (result != 0) | |
537b2e5e | 1671 | non_fatal (_("%s: cannot set time: %s"), destination, strerror (errno)); |
8d2e72a1 RH |
1672 | } |
1673 | ||
46050fe4 ILT |
1674 | static int |
1675 | strip_main (argc, argv) | |
1676 | int argc; | |
1677 | char *argv[]; | |
1678 | { | |
1679 | char *input_target = NULL, *output_target = NULL; | |
1680 | boolean show_version = false; | |
1681 | int c, i; | |
5ab41086 | 1682 | struct section_list *p; |
8d2e72a1 | 1683 | char *output_file = NULL; |
46050fe4 | 1684 | |
8d2e72a1 | 1685 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpgxXVv", |
46050fe4 ILT |
1686 | strip_options, (int *) 0)) != EOF) |
1687 | { | |
1688 | switch (c) | |
1689 | { | |
1690 | case 'I': | |
1691 | input_target = optarg; | |
704bbd0d | 1692 | break; |
46050fe4 ILT |
1693 | case 'O': |
1694 | output_target = optarg; | |
1695 | break; | |
1696 | case 'F': | |
1697 | input_target = output_target = optarg; | |
1698 | break; | |
6c7ed084 | 1699 | case 'R': |
5ab41086 ILT |
1700 | p = find_section_list (optarg, true); |
1701 | p->remove = true; | |
1702 | sections_removed = true; | |
6c7ed084 | 1703 | break; |
46050fe4 | 1704 | case 's': |
537b2e5e | 1705 | strip_symbols = STRIP_ALL; |
46050fe4 ILT |
1706 | break; |
1707 | case 'S': | |
1708 | case 'g': | |
537b2e5e | 1709 | strip_symbols = STRIP_DEBUG; |
46050fe4 | 1710 | break; |
9135e5f8 | 1711 | case OPTION_STRIP_UNNEEDED: |
537b2e5e | 1712 | strip_symbols = STRIP_UNNEEDED; |
9135e5f8 ILT |
1713 | break; |
1714 | case 'K': | |
8d2e72a1 | 1715 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1716 | break; |
4af19c61 | 1717 | case 'N': |
8d2e72a1 RH |
1718 | add_specific_symbol (optarg, &strip_specific_list); |
1719 | break; | |
1720 | case 'o': | |
1721 | output_file = optarg; | |
1722 | break; | |
1723 | case 'p': | |
1724 | preserve_dates = true; | |
4af19c61 | 1725 | break; |
46050fe4 | 1726 | case 'x': |
537b2e5e | 1727 | discard_locals = LOCALS_ALL; |
46050fe4 ILT |
1728 | break; |
1729 | case 'X': | |
537b2e5e | 1730 | discard_locals = LOCALS_START_L; |
46050fe4 ILT |
1731 | break; |
1732 | case 'v': | |
1733 | verbose = true; | |
1734 | break; | |
1735 | case 'V': | |
1736 | show_version = true; | |
1737 | break; | |
1738 | case 0: | |
1739 | break; /* we've been given a long option */ | |
1740 | case 'h': | |
1741 | strip_usage (stdout, 0); | |
1742 | default: | |
1743 | strip_usage (stderr, 1); | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | if (show_version) | |
8d2e72a1 | 1748 | print_version ("strip"); |
c0367ba5 | 1749 | |
46050fe4 | 1750 | /* Default is to strip all symbols. */ |
537b2e5e NC |
1751 | if (strip_symbols == STRIP_UNDEF |
1752 | && discard_locals == LOCALS_UNDEF | |
6cddf7d9 VM |
1753 | && strip_specific_list == NULL |
1754 | && keep_specific_list == NULL) | |
537b2e5e | 1755 | strip_symbols = STRIP_ALL; |
46050fe4 ILT |
1756 | |
1757 | if (output_target == (char *) NULL) | |
1758 | output_target = input_target; | |
1759 | ||
1760 | i = optind; | |
8d2e72a1 RH |
1761 | if (i == argc |
1762 | || (output_file != NULL && (i + 1) < argc)) | |
46050fe4 ILT |
1763 | strip_usage (stderr, 1); |
1764 | ||
1765 | for (; i < argc; i++) | |
1766 | { | |
1767 | int hold_status = status; | |
8d2e72a1 RH |
1768 | struct stat statbuf; |
1769 | char *tmpname; | |
1770 | ||
1771 | if (preserve_dates) | |
1772 | { | |
1773 | if (stat (argv[i], &statbuf) < 0) | |
1774 | { | |
537b2e5e | 1775 | non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno)); |
8d2e72a1 RH |
1776 | continue; |
1777 | } | |
1778 | } | |
c0367ba5 | 1779 | |
8d2e72a1 RH |
1780 | if (output_file != NULL) |
1781 | tmpname = output_file; | |
1782 | else | |
1783 | tmpname = make_tempname (argv[i]); | |
46050fe4 | 1784 | status = 0; |
8d2e72a1 | 1785 | |
46050fe4 ILT |
1786 | copy_file (argv[i], tmpname, input_target, output_target); |
1787 | if (status == 0) | |
1788 | { | |
8d2e72a1 RH |
1789 | if (preserve_dates) |
1790 | set_times (tmpname, &statbuf); | |
1791 | if (output_file == NULL) | |
1792 | smart_rename (tmpname, argv[i]); | |
46050fe4 | 1793 | status = hold_status; |
c0367ba5 | 1794 | } |
46050fe4 ILT |
1795 | else |
1796 | unlink (tmpname); | |
8d2e72a1 RH |
1797 | if (output_file == NULL) |
1798 | free (tmpname); | |
46050fe4 ILT |
1799 | } |
1800 | ||
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | static int | |
1805 | copy_main (argc, argv) | |
1806 | int argc; | |
1807 | char *argv[]; | |
1808 | { | |
6c7ed084 | 1809 | char *input_filename = NULL, *output_filename = NULL; |
46050fe4 ILT |
1810 | char *input_target = NULL, *output_target = NULL; |
1811 | boolean show_version = false; | |
537b2e5e | 1812 | boolean change_warn = true; |
46050fe4 | 1813 | int c; |
6c7ed084 | 1814 | struct section_list *p; |
8d2e72a1 | 1815 | struct stat statbuf; |
46050fe4 | 1816 | |
246b7c9b | 1817 | while ((c = getopt_long (argc, argv, "b:i:I:K:N:s:O:d:F:L:R:SpgxXVvW:", |
46050fe4 ILT |
1818 | copy_options, (int *) 0)) != EOF) |
1819 | { | |
1820 | switch (c) | |
1821 | { | |
f7b839f7 | 1822 | case 'b': |
9eaac302 | 1823 | copy_byte = atoi (optarg); |
f7b839f7 | 1824 | if (copy_byte < 0) |
537b2e5e | 1825 | fatal (_("byte number must be non-negative")); |
f7b839f7 DM |
1826 | break; |
1827 | case 'i': | |
9eaac302 | 1828 | interleave = atoi (optarg); |
f7b839f7 | 1829 | if (interleave < 1) |
537b2e5e | 1830 | fatal (_("interleave must be positive")); |
f7b839f7 | 1831 | break; |
c0367ba5 | 1832 | case 'I': |
46050fe4 | 1833 | case 's': /* "source" - 'I' is preferred */ |
c0367ba5 | 1834 | input_target = optarg; |
704bbd0d | 1835 | break; |
c0367ba5 | 1836 | case 'O': |
46050fe4 | 1837 | case 'd': /* "destination" - 'O' is preferred */ |
c0367ba5 ILT |
1838 | output_target = optarg; |
1839 | break; | |
1840 | case 'F': | |
c0367ba5 ILT |
1841 | input_target = output_target = optarg; |
1842 | break; | |
6c7ed084 | 1843 | case 'R': |
5ab41086 ILT |
1844 | p = find_section_list (optarg, true); |
1845 | p->remove = true; | |
1846 | sections_removed = true; | |
6c7ed084 | 1847 | break; |
c0367ba5 | 1848 | case 'S': |
537b2e5e | 1849 | strip_symbols = STRIP_ALL; |
c0367ba5 ILT |
1850 | break; |
1851 | case 'g': | |
537b2e5e | 1852 | strip_symbols = STRIP_DEBUG; |
c0367ba5 | 1853 | break; |
9135e5f8 | 1854 | case OPTION_STRIP_UNNEEDED: |
537b2e5e | 1855 | strip_symbols = STRIP_UNNEEDED; |
9135e5f8 ILT |
1856 | break; |
1857 | case 'K': | |
8d2e72a1 | 1858 | add_specific_symbol (optarg, &keep_specific_list); |
9135e5f8 | 1859 | break; |
4af19c61 | 1860 | case 'N': |
8d2e72a1 RH |
1861 | add_specific_symbol (optarg, &strip_specific_list); |
1862 | break; | |
246b7c9b RH |
1863 | case 'L': |
1864 | add_specific_symbol (optarg, &localize_specific_list); | |
8d2e72a1 RH |
1865 | break; |
1866 | case 'W': | |
1867 | add_specific_symbol (optarg, &weaken_specific_list); | |
1868 | break; | |
1869 | case 'p': | |
1870 | preserve_dates = true; | |
4af19c61 | 1871 | break; |
c0367ba5 | 1872 | case 'x': |
537b2e5e | 1873 | discard_locals = LOCALS_ALL; |
c0367ba5 ILT |
1874 | break; |
1875 | case 'X': | |
537b2e5e | 1876 | discard_locals = LOCALS_START_L; |
c0367ba5 ILT |
1877 | break; |
1878 | case 'v': | |
1879 | verbose = true; | |
1880 | break; | |
1881 | case 'V': | |
1882 | show_version = true; | |
1883 | break; | |
8d2e72a1 RH |
1884 | case OPTION_WEAKEN: |
1885 | weaken = true; | |
1886 | break; | |
5ab41086 ILT |
1887 | case OPTION_ADD_SECTION: |
1888 | { | |
1889 | const char *s; | |
1890 | struct stat st; | |
1891 | struct section_add *pa; | |
1892 | int len; | |
1893 | char *name; | |
1894 | FILE *f; | |
1895 | ||
1896 | s = strchr (optarg, '='); | |
537b2e5e | 1897 | |
5ab41086 | 1898 | if (s == NULL) |
537b2e5e | 1899 | fatal (_("bad format for --add-section NAME=FILENAME")); |
5ab41086 | 1900 | |
537b2e5e NC |
1901 | if (stat (s + 1, & st) < 0) |
1902 | fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno)); | |
5ab41086 ILT |
1903 | |
1904 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
1905 | ||
1906 | len = s - optarg; | |
1907 | name = (char *) xmalloc (len + 1); | |
1908 | strncpy (name, optarg, len); | |
1909 | name[len] = '\0'; | |
1910 | pa->name = name; | |
1911 | ||
1912 | pa->filename = s + 1; | |
1913 | ||
1914 | pa->size = st.st_size; | |
1915 | ||
9135e5f8 | 1916 | pa->contents = (bfd_byte *) xmalloc (pa->size); |
5ab41086 | 1917 | f = fopen (pa->filename, FOPEN_RB); |
537b2e5e | 1918 | |
5ab41086 | 1919 | if (f == NULL) |
537b2e5e NC |
1920 | fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno)); |
1921 | ||
5ab41086 ILT |
1922 | if (fread (pa->contents, 1, pa->size, f) == 0 |
1923 | || ferror (f)) | |
537b2e5e NC |
1924 | fatal (_("%s: fread failed"), pa->filename); |
1925 | ||
5ab41086 ILT |
1926 | fclose (f); |
1927 | ||
1928 | pa->next = add_sections; | |
1929 | add_sections = pa; | |
1930 | } | |
1931 | break; | |
537b2e5e NC |
1932 | case OPTION_CHANGE_START: |
1933 | change_start = parse_vma (optarg, "--change-start"); | |
6c7ed084 | 1934 | break; |
537b2e5e NC |
1935 | case OPTION_CHANGE_SECTION_ADDRESS: |
1936 | case OPTION_CHANGE_SECTION_LMA: | |
1937 | case OPTION_CHANGE_SECTION_VMA: | |
6c7ed084 ILT |
1938 | { |
1939 | const char *s; | |
1940 | int len; | |
1941 | char *name; | |
537b2e5e NC |
1942 | char *option; |
1943 | bfd_vma val; | |
1944 | enum change_action what; | |
1945 | ||
1946 | switch (c) | |
1947 | { | |
1948 | case OPTION_CHANGE_SECTION_ADDRESS: option = "--change-section-address"; break; | |
1949 | case OPTION_CHANGE_SECTION_LMA: option = "--change-section-lma"; break; | |
1950 | case OPTION_CHANGE_SECTION_VMA: option = "--change-section-vma"; break; | |
1951 | } | |
1952 | ||
6c7ed084 | 1953 | s = strchr (optarg, '='); |
5ab41086 | 1954 | if (s == NULL) |
6c7ed084 ILT |
1955 | { |
1956 | s = strchr (optarg, '+'); | |
1957 | if (s == NULL) | |
1958 | { | |
1959 | s = strchr (optarg, '-'); | |
1960 | if (s == NULL) | |
537b2e5e | 1961 | fatal (_("bad format for %s"), option); |
6c7ed084 | 1962 | } |
6c7ed084 ILT |
1963 | } |
1964 | ||
1965 | len = s - optarg; | |
1966 | name = (char *) xmalloc (len + 1); | |
1967 | strncpy (name, optarg, len); | |
1968 | name[len] = '\0'; | |
6c7ed084 | 1969 | |
5ab41086 ILT |
1970 | p = find_section_list (name, true); |
1971 | ||
537b2e5e | 1972 | val = parse_vma (s + 1, option); |
6c7ed084 | 1973 | |
537b2e5e NC |
1974 | switch (*s) |
1975 | { | |
1976 | case '=': what = CHANGE_SET; break; | |
1977 | case '-': val = - val; /* Drop through. */ | |
1978 | case '+': what = CHANGE_MODIFY; break; | |
1979 | } | |
1980 | ||
1981 | switch (c) | |
5ab41086 | 1982 | { |
537b2e5e NC |
1983 | case OPTION_CHANGE_SECTION_ADDRESS: |
1984 | p->change_vma = what; | |
1985 | p->vma_val = val; | |
1986 | /* Drop through. */ | |
1987 | ||
1988 | case OPTION_CHANGE_SECTION_LMA: | |
1989 | p->change_lma = what; | |
1990 | p->lma_val = val; | |
1991 | break; | |
1992 | ||
1993 | case OPTION_CHANGE_SECTION_VMA: | |
1994 | p->change_vma = what; | |
1995 | p->vma_val = val; | |
1996 | break; | |
5ab41086 | 1997 | } |
6c7ed084 ILT |
1998 | } |
1999 | break; | |
537b2e5e NC |
2000 | case OPTION_CHANGE_ADDRESSES: |
2001 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
2002 | change_start = change_section_address; | |
6c7ed084 | 2003 | break; |
537b2e5e NC |
2004 | case OPTION_CHANGE_WARNINGS: |
2005 | change_warn = true; | |
6c7ed084 | 2006 | break; |
8d2e72a1 RH |
2007 | case OPTION_CHANGE_LEADING_CHAR: |
2008 | change_leading_char = true; | |
2009 | break; | |
f5818d79 ILT |
2010 | case OPTION_DEBUGGING: |
2011 | convert_debugging = true; | |
2012 | break; | |
596d99ba ILT |
2013 | case OPTION_GAP_FILL: |
2014 | { | |
2015 | bfd_vma gap_fill_vma; | |
2016 | ||
2017 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2018 | gap_fill = (bfd_byte) gap_fill_vma; | |
2019 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2020 | { | |
537b2e5e NC |
2021 | char buff[20]; |
2022 | ||
2023 | sprintf_vma (buff, gap_fill_vma); | |
2024 | ||
2025 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), | |
2026 | buff, gap_fill); | |
596d99ba ILT |
2027 | } |
2028 | gap_fill_set = true; | |
2029 | } | |
2030 | break; | |
537b2e5e NC |
2031 | case OPTION_NO_CHANGE_WARNINGS: |
2032 | change_warn = false; | |
6c7ed084 | 2033 | break; |
87a15686 ILT |
2034 | case OPTION_PAD_TO: |
2035 | pad_to = parse_vma (optarg, "--pad-to"); | |
2036 | pad_to_set = true; | |
2037 | break; | |
8d2e72a1 RH |
2038 | case OPTION_REMOVE_LEADING_CHAR: |
2039 | remove_leading_char = true; | |
2040 | break; | |
5ab41086 ILT |
2041 | case OPTION_SET_SECTION_FLAGS: |
2042 | { | |
2043 | const char *s; | |
2044 | int len; | |
2045 | char *name; | |
2046 | ||
2047 | s = strchr (optarg, '='); | |
2048 | if (s == NULL) | |
537b2e5e | 2049 | fatal (_("bad format for --set-section-flags")); |
5ab41086 ILT |
2050 | |
2051 | len = s - optarg; | |
2052 | name = (char *) xmalloc (len + 1); | |
2053 | strncpy (name, optarg, len); | |
2054 | name[len] = '\0'; | |
2055 | ||
2056 | p = find_section_list (name, true); | |
2057 | ||
2058 | p->set_flags = true; | |
2059 | p->flags = parse_flags (s + 1); | |
2060 | } | |
2061 | break; | |
6c7ed084 ILT |
2062 | case OPTION_SET_START: |
2063 | set_start = parse_vma (optarg, "--set-start"); | |
2064 | set_start_set = true; | |
2065 | break; | |
46050fe4 | 2066 | case 0: |
c0367ba5 ILT |
2067 | break; /* we've been given a long option */ |
2068 | case 'h': | |
2069 | copy_usage (stdout, 0); | |
2070 | default: | |
2071 | copy_usage (stderr, 1); | |
46050fe4 ILT |
2072 | } |
2073 | } | |
2074 | ||
2075 | if (show_version) | |
8d2e72a1 | 2076 | print_version ("objcopy"); |
c0367ba5 | 2077 | |
f7b839f7 | 2078 | if (copy_byte >= interleave) |
537b2e5e | 2079 | fatal (_("byte number must be less than interleave")); |
f7b839f7 | 2080 | |
46050fe4 ILT |
2081 | if (optind == argc || optind + 2 < argc) |
2082 | copy_usage (stderr, 1); | |
c0367ba5 ILT |
2083 | |
2084 | input_filename = argv[optind]; | |
2085 | if (optind + 1 < argc) | |
46050fe4 | 2086 | output_filename = argv[optind + 1]; |
c0367ba5 ILT |
2087 | |
2088 | /* Default is to strip no symbols. */ | |
537b2e5e NC |
2089 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) |
2090 | strip_symbols = STRIP_NONE; | |
c0367ba5 ILT |
2091 | |
2092 | if (output_target == (char *) NULL) | |
2093 | output_target = input_target; | |
2094 | ||
8d2e72a1 RH |
2095 | if (preserve_dates) |
2096 | { | |
2097 | if (stat (input_filename, &statbuf) < 0) | |
537b2e5e | 2098 | fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno)); |
8d2e72a1 RH |
2099 | } |
2100 | ||
46050fe4 ILT |
2101 | /* If there is no destination file then create a temp and rename |
2102 | the result into the input. */ | |
2103 | ||
2104 | if (output_filename == (char *) NULL) | |
2105 | { | |
2106 | char *tmpname = make_tempname (input_filename); | |
8d2e72a1 | 2107 | |
46050fe4 ILT |
2108 | copy_file (input_filename, tmpname, input_target, output_target); |
2109 | if (status == 0) | |
8d2e72a1 RH |
2110 | { |
2111 | if (preserve_dates) | |
2112 | set_times (tmpname, &statbuf); | |
2113 | smart_rename (tmpname, input_filename); | |
2114 | } | |
46050fe4 ILT |
2115 | else |
2116 | unlink (tmpname); | |
2117 | } | |
2118 | else | |
2119 | { | |
2120 | copy_file (input_filename, output_filename, input_target, output_target); | |
8d2e72a1 RH |
2121 | if (status == 0 && preserve_dates) |
2122 | set_times (output_filename, &statbuf); | |
46050fe4 ILT |
2123 | } |
2124 | ||
537b2e5e | 2125 | if (change_warn) |
6c7ed084 | 2126 | { |
537b2e5e | 2127 | for (p = change_sections; p != NULL; p = p->next) |
6c7ed084 | 2128 | { |
537b2e5e | 2129 | if (! p->used) |
6c7ed084 | 2130 | { |
537b2e5e NC |
2131 | if (p->change_vma != CHANGE_IGNORE) |
2132 | { | |
2133 | char buff [20]; | |
2134 | ||
2135 | sprintf_vma (buff, p->vma_val); | |
2136 | ||
2137 | /* xgettext:c-format */ | |
2138 | non_fatal (_("Warning: --change-section-vma %s%c0x%s never used"), | |
2139 | p->name, | |
2140 | p->change_vma == CHANGE_SET ? '=' : '+', | |
2141 | buff); | |
2142 | } | |
2143 | ||
2144 | if (p->change_lma != CHANGE_IGNORE) | |
2145 | { | |
2146 | char buff [20]; | |
2147 | ||
2148 | sprintf_vma (buff, p->lma_val); | |
2149 | ||
2150 | /* xgettext:c-format */ | |
2151 | non_fatal (_("Warning: --change-section-lma %s%c0x%s never used"), | |
2152 | p->name, | |
2153 | p->change_lma == CHANGE_SET ? '=' : '+', | |
2154 | buff); | |
2155 | } | |
6c7ed084 ILT |
2156 | } |
2157 | } | |
2158 | } | |
2159 | ||
c0367ba5 ILT |
2160 | return 0; |
2161 | } | |
46050fe4 ILT |
2162 | |
2163 | int | |
2164 | main (argc, argv) | |
2165 | int argc; | |
2166 | char *argv[]; | |
2167 | { | |
537b2e5e | 2168 | #ifdef HAVE_SETLOCALE |
19ac4b08 | 2169 | setlocale (LC_MESSAGES, ""); |
537b2e5e | 2170 | #endif |
19ac4b08 TT |
2171 | bindtextdomain (PACKAGE, LOCALEDIR); |
2172 | textdomain (PACKAGE); | |
2173 | ||
46050fe4 | 2174 | program_name = argv[0]; |
704bbd0d | 2175 | xmalloc_set_program_name (program_name); |
5ab41086 ILT |
2176 | |
2177 | START_PROGRESS (program_name, 0); | |
2178 | ||
537b2e5e NC |
2179 | strip_symbols = STRIP_UNDEF; |
2180 | discard_locals = LOCALS_UNDEF; | |
46050fe4 ILT |
2181 | |
2182 | bfd_init (); | |
8d2e72a1 | 2183 | set_default_bfd_target (); |
46050fe4 ILT |
2184 | |
2185 | if (is_strip < 0) | |
2186 | { | |
2187 | int i = strlen (program_name); | |
87a15686 | 2188 | is_strip = (i >= 5 && strcmp (program_name + i - 5, "strip") == 0); |
46050fe4 ILT |
2189 | } |
2190 | ||
2191 | if (is_strip) | |
2192 | strip_main (argc, argv); | |
2193 | else | |
2194 | copy_main (argc, argv); | |
2195 | ||
5ab41086 ILT |
2196 | END_PROGRESS (program_name); |
2197 | ||
46050fe4 ILT |
2198 | return status; |
2199 | } |