Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* objcopy.c -- copy object file from input to output, optionally massaging it. |
8c2bc687 NC |
2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
3 | 2001 | |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of GNU Binutils. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
22 | \f | |
23 | #include "bfd.h" | |
24 | #include "progress.h" | |
25 | #include "bucomm.h" | |
26 | #include "getopt.h" | |
27 | #include "libiberty.h" | |
28 | #include "budbg.h" | |
5af11cab | 29 | #include "filenames.h" |
252b5132 RH |
30 | #include <sys/stat.h> |
31 | ||
32 | /* A list of symbols to explicitly strip out, or to keep. A linked | |
33 | list is good enough for a small number from the command line, but | |
34 | this will slow things down a lot if many symbols are being | |
35 | deleted. */ | |
36 | ||
37 | struct symlist | |
38 | { | |
39 | const char *name; | |
40 | struct symlist *next; | |
41 | }; | |
42 | ||
57938635 AM |
43 | /* A list to support redefine_sym. */ |
44 | struct redefine_node | |
45 | { | |
46 | char *source; | |
47 | char *target; | |
48 | struct redefine_node *next; | |
49 | }; | |
50 | ||
252b5132 RH |
51 | static void copy_usage PARAMS ((FILE *, int)); |
52 | static void strip_usage PARAMS ((FILE *, int)); | |
53 | static flagword parse_flags PARAMS ((const char *)); | |
54 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); | |
55 | static void setup_section PARAMS ((bfd *, asection *, PTR)); | |
56 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
57 | static void get_sections PARAMS ((bfd *, asection *, PTR)); | |
58 | static int compare_section_lma PARAMS ((const PTR, const PTR)); | |
59 | static void add_specific_symbol PARAMS ((const char *, struct symlist **)); | |
16b2b71c | 60 | static void add_specific_symbols PARAMS ((const char *, struct symlist **)); |
252b5132 RH |
61 | static boolean is_specified_symbol PARAMS ((const char *, struct symlist *)); |
62 | static boolean is_strip_section PARAMS ((bfd *, asection *)); | |
63 | static unsigned int filter_symbols | |
64 | PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long)); | |
65 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); | |
66 | static void filter_bytes PARAMS ((char *, bfd_size_type *)); | |
67 | static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***)); | |
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 strip_main PARAMS ((int, char **)); | |
73 | static int copy_main PARAMS ((int, char **)); | |
57938635 AM |
74 | static const char *lookup_sym_redefinition PARAMS((const char *)); |
75 | static void redefine_list_append PARAMS ((const char *, const char *)); | |
252b5132 RH |
76 | |
77 | #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;} | |
78 | ||
79 | static asymbol **isympp = NULL; /* Input symbols */ | |
80 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
81 | ||
82 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
83 | static int copy_byte = -1; | |
84 | static int interleave = 4; | |
85 | ||
86 | static boolean verbose; /* Print file and target names. */ | |
87 | static boolean preserve_dates; /* Preserve input file timestamp. */ | |
88 | static int status = 0; /* Exit status. */ | |
89 | ||
90 | enum strip_action | |
91 | { | |
92 | STRIP_UNDEF, | |
93 | STRIP_NONE, /* don't strip */ | |
94 | STRIP_DEBUG, /* strip all debugger symbols */ | |
95 | STRIP_UNNEEDED, /* strip unnecessary symbols */ | |
96 | STRIP_ALL /* strip all symbols */ | |
97 | }; | |
98 | ||
99 | /* Which symbols to remove. */ | |
100 | static enum strip_action strip_symbols; | |
101 | ||
102 | enum locals_action | |
103 | { | |
104 | LOCALS_UNDEF, | |
105 | LOCALS_START_L, /* discard locals starting with L */ | |
106 | LOCALS_ALL /* discard all locals */ | |
107 | }; | |
108 | ||
109 | /* Which local symbols to remove. Overrides STRIP_ALL. */ | |
110 | static enum locals_action discard_locals; | |
111 | ||
112 | /* What kind of change to perform. */ | |
113 | enum change_action | |
114 | { | |
115 | CHANGE_IGNORE, | |
116 | CHANGE_MODIFY, | |
117 | CHANGE_SET | |
118 | }; | |
119 | ||
120 | /* Structure used to hold lists of sections and actions to take. */ | |
121 | struct section_list | |
122 | { | |
123 | struct section_list * next; /* Next section to change. */ | |
124 | const char * name; /* Section name. */ | |
125 | boolean used; /* Whether this entry was used. */ | |
126 | boolean remove; /* Whether to remove this section. */ | |
f91ea849 | 127 | boolean copy; /* Whether to copy this section. */ |
252b5132 RH |
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. */ | |
134 | }; | |
135 | ||
136 | static struct section_list *change_sections; | |
137 | static boolean sections_removed; | |
f91ea849 | 138 | static boolean sections_copied; |
252b5132 RH |
139 | |
140 | /* Changes to the start address. */ | |
141 | static bfd_vma change_start = 0; | |
142 | static boolean set_start_set = false; | |
143 | static bfd_vma set_start; | |
144 | ||
145 | /* Changes to section addresses. */ | |
146 | static bfd_vma change_section_address = 0; | |
147 | ||
148 | /* Filling gaps between sections. */ | |
149 | static boolean gap_fill_set = false; | |
150 | static bfd_byte gap_fill = 0; | |
151 | ||
152 | /* Pad to a given address. */ | |
153 | static boolean pad_to_set = false; | |
154 | static bfd_vma pad_to; | |
155 | ||
156 | /* List of sections to add. */ | |
157 | ||
158 | struct section_add | |
159 | { | |
160 | /* Next section to add. */ | |
161 | struct section_add *next; | |
162 | /* Name of section to add. */ | |
163 | const char *name; | |
164 | /* Name of file holding section contents. */ | |
165 | const char *filename; | |
166 | /* Size of file. */ | |
167 | size_t size; | |
168 | /* Contents of file. */ | |
169 | bfd_byte *contents; | |
170 | /* BFD section, after it has been added. */ | |
171 | asection *section; | |
172 | }; | |
173 | ||
174 | static struct section_add *add_sections; | |
175 | ||
176 | /* Whether to convert debugging information. */ | |
177 | ||
178 | static boolean convert_debugging = false; | |
179 | ||
180 | /* Whether to change the leading character in symbol names. */ | |
181 | ||
182 | static boolean change_leading_char = false; | |
183 | ||
184 | /* Whether to remove the leading character from global symbol names. */ | |
185 | ||
186 | static boolean remove_leading_char = false; | |
187 | ||
16b2b71c NC |
188 | /* List of symbols to strip, keep, localize, keep-global, weaken, |
189 | or redefine. */ | |
252b5132 RH |
190 | |
191 | static struct symlist *strip_specific_list = NULL; | |
192 | static struct symlist *keep_specific_list = NULL; | |
193 | static struct symlist *localize_specific_list = NULL; | |
16b2b71c | 194 | static struct symlist *keepglobal_specific_list = NULL; |
252b5132 | 195 | static struct symlist *weaken_specific_list = NULL; |
57938635 | 196 | static struct redefine_node *redefine_sym_list = NULL; |
252b5132 RH |
197 | |
198 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
199 | ||
200 | static boolean weaken = false; | |
201 | ||
202 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ | |
203 | ||
204 | #define OPTION_ADD_SECTION 150 | |
205 | #define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1) | |
206 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1) | |
207 | #define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1) | |
208 | #define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1) | |
209 | #define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1) | |
210 | #define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1) | |
211 | #define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1) | |
212 | #define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1) | |
213 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) | |
214 | #define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1) | |
215 | #define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1) | |
216 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) | |
217 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
218 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) | |
219 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
220 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) | |
57938635 | 221 | #define OPTION_REDEFINE_SYM (OPTION_WEAKEN + 1) |
420496c1 NC |
222 | #define OPTION_SREC_LEN (OPTION_REDEFINE_SYM + 1) |
223 | #define OPTION_SREC_FORCES3 (OPTION_SREC_LEN + 1) | |
16b2b71c NC |
224 | #define OPTION_STRIP_SYMBOLS (OPTION_SREC_FORCES3 + 1) |
225 | #define OPTION_KEEP_SYMBOLS (OPTION_STRIP_SYMBOLS + 1) | |
226 | #define OPTION_LOCALIZE_SYMBOLS (OPTION_KEEP_SYMBOLS + 1) | |
227 | #define OPTION_KEEPGLOBAL_SYMBOLS (OPTION_LOCALIZE_SYMBOLS + 1) | |
228 | #define OPTION_WEAKEN_SYMBOLS (OPTION_KEEPGLOBAL_SYMBOLS + 1) | |
252b5132 RH |
229 | |
230 | /* Options to handle if running as "strip". */ | |
231 | ||
232 | static struct option strip_options[] = | |
233 | { | |
234 | {"discard-all", no_argument, 0, 'x'}, | |
235 | {"discard-locals", no_argument, 0, 'X'}, | |
236 | {"format", required_argument, 0, 'F'}, /* Obsolete */ | |
237 | {"help", no_argument, 0, 'h'}, | |
238 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
239 | {"input-target", required_argument, 0, 'I'}, | |
240 | {"keep-symbol", required_argument, 0, 'K'}, | |
241 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
242 | {"output-target", required_argument, 0, 'O'}, | |
af3bdff7 | 243 | {"output-file", required_argument, 0, 'o'}, |
252b5132 RH |
244 | {"preserve-dates", no_argument, 0, 'p'}, |
245 | {"remove-section", required_argument, 0, 'R'}, | |
246 | {"strip-all", no_argument, 0, 's'}, | |
247 | {"strip-debug", no_argument, 0, 'S'}, | |
248 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
249 | {"strip-symbol", required_argument, 0, 'N'}, | |
250 | {"target", required_argument, 0, 'F'}, | |
251 | {"verbose", no_argument, 0, 'v'}, | |
252 | {"version", no_argument, 0, 'V'}, | |
253 | {0, no_argument, 0, 0} | |
254 | }; | |
255 | ||
256 | /* Options to handle if running as "objcopy". */ | |
257 | ||
258 | static struct option copy_options[] = | |
259 | { | |
260 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, | |
261 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, | |
262 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
263 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
264 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
43a0748c | 265 | {"binary-architecture", required_argument, 0, 'B'}, |
252b5132 RH |
266 | {"byte", required_argument, 0, 'b'}, |
267 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
268 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, | |
269 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
270 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
271 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
272 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
273 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
274 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, | |
275 | {"discard-all", no_argument, 0, 'x'}, | |
276 | {"discard-locals", no_argument, 0, 'X'}, | |
f91ea849 | 277 | {"only-section", required_argument, 0, 'j'}, |
252b5132 RH |
278 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
279 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, | |
280 | {"help", no_argument, 0, 'h'}, | |
281 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
282 | {"input-target", required_argument, 0, 'I'}, | |
283 | {"interleave", required_argument, 0, 'i'}, | |
284 | {"keep-symbol", required_argument, 0, 'K'}, | |
285 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
286 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
287 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
288 | {"output-target", required_argument, 0, 'O'}, | |
289 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, | |
290 | {"preserve-dates", no_argument, 0, 'p'}, | |
291 | {"localize-symbol", required_argument, 0, 'L'}, | |
16b2b71c | 292 | {"keep-global-symbol", required_argument, 0, 'G'}, |
252b5132 RH |
293 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
294 | {"remove-section", required_argument, 0, 'R'}, | |
295 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, | |
296 | {"set-start", required_argument, 0, OPTION_SET_START}, | |
297 | {"strip-all", no_argument, 0, 'S'}, | |
298 | {"strip-debug", no_argument, 0, 'g'}, | |
299 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
300 | {"strip-symbol", required_argument, 0, 'N'}, | |
301 | {"target", required_argument, 0, 'F'}, | |
302 | {"verbose", no_argument, 0, 'v'}, | |
303 | {"version", no_argument, 0, 'V'}, | |
304 | {"weaken", no_argument, 0, OPTION_WEAKEN}, | |
305 | {"weaken-symbol", required_argument, 0, 'W'}, | |
57938635 | 306 | {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM}, |
420496c1 NC |
307 | {"srec-len", required_argument, 0, OPTION_SREC_LEN}, |
308 | {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3}, | |
16b2b71c NC |
309 | {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS}, |
310 | {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS}, | |
311 | {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS}, | |
312 | {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS}, | |
313 | {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS}, | |
252b5132 RH |
314 | {0, no_argument, 0, 0} |
315 | }; | |
316 | ||
317 | /* IMPORTS */ | |
318 | extern char *program_name; | |
319 | ||
320 | /* This flag distinguishes between strip and objcopy: | |
321 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
322 | -1 means if we should use argv[0] to decide. */ | |
323 | extern int is_strip; | |
324 | ||
420496c1 NC |
325 | /* The maximum length of an S record. This variable is declared in srec.c |
326 | and can be modified by the --srec-len parameter. */ | |
327 | extern unsigned int Chunk; | |
328 | ||
329 | /* Restrict the generation of Srecords to type S3 only. | |
330 | This variable is declare in bfd/srec.c and can be toggled | |
331 | on by the --srec-forceS3 command line switch. */ | |
332 | extern boolean S3Forced; | |
252b5132 | 333 | |
43a0748c NC |
334 | /* Defined in bfd/binary.c. Used to set architecture of input binary files. */ |
335 | extern enum bfd_architecture bfd_external_binary_architecture; | |
336 | ||
252b5132 RH |
337 | static void |
338 | copy_usage (stream, exit_status) | |
339 | FILE *stream; | |
340 | int exit_status; | |
341 | { | |
d5bcb29d NC |
342 | fprintf (stream, _("Usage: %s <switches> in-file [out-file]\n"), program_name); |
343 | fprintf (stream, _(" The switches are:\n")); | |
252b5132 | 344 | fprintf (stream, _("\ |
d5bcb29d NC |
345 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
346 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
43a0748c | 347 | -B --binary-architecture <arch> Set arch of output file, when input is binary\n\ |
d5bcb29d NC |
348 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ |
349 | --debugging Convert debugging information, if possible\n\ | |
350 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
351 | -j --only-section <name> Only copy section <name> into the output\n\ | |
352 | -R --remove-section <name> Remove section <name> from the output\n\ | |
353 | -S --strip-all Remove all symbol and relocation information\n\ | |
354 | -g --strip-debug Remove all debugging symbols\n\ | |
355 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
356 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
357 | -K --keep-symbol <name> Only copy symbol <name>\n\ | |
358 | -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\ | |
16b2b71c | 359 | -G --keep-global-symbol <name> Localize all symbols except <name>\n\ |
d5bcb29d NC |
360 | -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\ |
361 | --weaken Force all global symbols to be marked as weak\n\ | |
362 | -x --discard-all Remove all non-global symbols\n\ | |
363 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
364 | -i --interleave <number> Only copy one out of every <number> bytes\n\ | |
365 | -b --byte <num> Select byte <num> in every interleaved block\n\ | |
366 | --gap-fill <val> Fill gaps between sections with <val>\n\ | |
367 | --pad-to <addr> Pad the last section up to address <addr>\n\ | |
368 | --set-start <addr> Set the start address to <addr>\n\ | |
369 | {--change-start|--adjust-start} <incr>\n\ | |
370 | Add <incr> to the start address\n\ | |
371 | {--change-addresses|--adjust-vma} <incr>\n\ | |
372 | Add <incr> to LMA, VMA and start addresses\n\ | |
373 | {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\ | |
374 | Change LMA and VMA of section <name> by <val>\n\ | |
375 | --change-section-lma <name>{=|+|-}<val>\n\ | |
376 | Change the LMA of section <name> by <val>\n\ | |
377 | --change-section-vma <name>{=|+|-}<val>\n\ | |
378 | Change the VMA of section <name> by <val>\n\ | |
379 | {--[no-]change-warnings|--[no-]adjust-warnings}\n\ | |
380 | Warn if a named section does not exist\n\ | |
381 | --set-section-flags <name>=<flags>\n\ | |
382 | Set section <name>'s properties to <flags>\n\ | |
383 | --add-section <name>=<file> Add section <name> found in <file> to output\n\ | |
384 | --change-leading-char Force output format's leading character style\n\ | |
385 | --remove-leading-char Remove leading character from global symbols\n\ | |
57938635 | 386 | --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\ |
420496c1 NC |
387 | --srec-len <number> Restrict the length of generated Srecords\n\ |
388 | --srec-forceS3 Restrict the type of generated Srecords to S3\n\ | |
16b2b71c NC |
389 | --strip-symbols <file> -N for all symbols listed in <file>\n\ |
390 | --keep-symbols <file> -K for all symbols listed in <file>\n\ | |
391 | --localize-symbols <file> -L for all symbols listed in <file>\n\ | |
392 | --keep-global-symbols <file> -G for all symbols listed in <file>\n\ | |
393 | --weaken-symbols <file> -W for all symbols listed in <file>\n\ | |
d5bcb29d NC |
394 | -v --verbose List all object files modified\n\ |
395 | -V --version Display this program's version number\n\ | |
396 | -h --help Display this output\n\ | |
397 | ")); | |
252b5132 RH |
398 | list_supported_targets (program_name, stream); |
399 | if (exit_status == 0) | |
8ad3436c | 400 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
401 | exit (exit_status); |
402 | } | |
403 | ||
404 | static void | |
405 | strip_usage (stream, exit_status) | |
406 | FILE *stream; | |
407 | int exit_status; | |
408 | { | |
d5bcb29d NC |
409 | fprintf (stream, _("Usage: %s <switches> in-file(s)\n"), program_name); |
410 | fprintf (stream, _(" The switches are:\n")); | |
252b5132 | 411 | fprintf (stream, _("\ |
d5bcb29d NC |
412 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
413 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
414 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ | |
415 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
416 | -R --remove-section <name> Remove section <name> from the output\n\ | |
417 | -s --strip-all Remove all symbol and relocation information\n\ | |
418 | -g -S --strip-debug Remove all debugging symbols\n\ | |
419 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
420 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
421 | -K --keep-symbol <name> Only copy symbol <name>\n\ | |
422 | -x --discard-all Remove all non-global symbols\n\ | |
423 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
424 | -v --verbose List all object files modified\n\ | |
425 | -V --version Display this program's version number\n\ | |
426 | -h --help Display this output\n\ | |
427 | -o <file> Place stripped output into <file>\n\ | |
428 | ")); | |
429 | ||
252b5132 RH |
430 | list_supported_targets (program_name, stream); |
431 | if (exit_status == 0) | |
8ad3436c | 432 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
433 | exit (exit_status); |
434 | } | |
435 | ||
436 | /* Parse section flags into a flagword, with a fatal error if the | |
437 | string can't be parsed. */ | |
438 | ||
439 | static flagword | |
440 | parse_flags (s) | |
441 | const char *s; | |
442 | { | |
443 | flagword ret; | |
444 | const char *snext; | |
445 | int len; | |
446 | ||
447 | ret = SEC_NO_FLAGS; | |
448 | ||
449 | do | |
450 | { | |
451 | snext = strchr (s, ','); | |
452 | if (snext == NULL) | |
453 | len = strlen (s); | |
454 | else | |
455 | { | |
456 | len = snext - s; | |
457 | ++snext; | |
458 | } | |
459 | ||
460 | if (0) ; | |
461 | #define PARSE_FLAG(fname,fval) \ | |
462 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
463 | PARSE_FLAG ("alloc", SEC_ALLOC); | |
464 | PARSE_FLAG ("load", SEC_LOAD); | |
3994e2c6 | 465 | PARSE_FLAG ("noload", SEC_NEVER_LOAD); |
252b5132 | 466 | PARSE_FLAG ("readonly", SEC_READONLY); |
3994e2c6 | 467 | PARSE_FLAG ("debug", SEC_DEBUGGING); |
252b5132 RH |
468 | PARSE_FLAG ("code", SEC_CODE); |
469 | PARSE_FLAG ("data", SEC_DATA); | |
470 | PARSE_FLAG ("rom", SEC_ROM); | |
3994e2c6 | 471 | PARSE_FLAG ("share", SEC_SHARED); |
252b5132 RH |
472 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
473 | #undef PARSE_FLAG | |
474 | else | |
475 | { | |
476 | char *copy; | |
477 | ||
478 | copy = xmalloc (len + 1); | |
479 | strncpy (copy, s, len); | |
480 | copy[len] = '\0'; | |
481 | non_fatal (_("unrecognized section flag `%s'"), copy); | |
57938635 AM |
482 | fatal (_("supported flags: %s"), |
483 | "alloc, load, noload, readonly, debug, code, data, rom, share, contents"); | |
252b5132 RH |
484 | } |
485 | ||
486 | s = snext; | |
487 | } | |
488 | while (s != NULL); | |
489 | ||
490 | return ret; | |
491 | } | |
492 | ||
493 | /* Find and optionally add an entry in the change_sections list. */ | |
494 | ||
495 | static struct section_list * | |
496 | find_section_list (name, add) | |
497 | const char *name; | |
498 | boolean add; | |
499 | { | |
500 | register struct section_list *p; | |
501 | ||
502 | for (p = change_sections; p != NULL; p = p->next) | |
503 | if (strcmp (p->name, name) == 0) | |
504 | return p; | |
505 | ||
506 | if (! add) | |
507 | return NULL; | |
508 | ||
509 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
510 | p->name = name; | |
511 | p->used = false; | |
512 | p->remove = false; | |
f91ea849 | 513 | p->copy = false; |
252b5132 RH |
514 | p->change_vma = CHANGE_IGNORE; |
515 | p->change_lma = CHANGE_IGNORE; | |
516 | p->vma_val = 0; | |
517 | p->lma_val = 0; | |
518 | p->set_flags = false; | |
519 | p->flags = 0; | |
520 | ||
521 | p->next = change_sections; | |
522 | change_sections = p; | |
523 | ||
524 | return p; | |
525 | } | |
526 | ||
527 | /* Add a symbol to strip_specific_list. */ | |
528 | ||
57938635 | 529 | static void |
252b5132 RH |
530 | add_specific_symbol (name, list) |
531 | const char *name; | |
532 | struct symlist **list; | |
533 | { | |
534 | struct symlist *tmp_list; | |
535 | ||
536 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
537 | tmp_list->name = name; | |
538 | tmp_list->next = *list; | |
539 | *list = tmp_list; | |
540 | } | |
541 | ||
16b2b71c NC |
542 | /* Add symbols listed in `filename' to strip_specific_list. */ |
543 | ||
544 | #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t') | |
545 | #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0') | |
546 | ||
547 | static void | |
548 | add_specific_symbols (filename, list) | |
549 | const char *filename; | |
550 | struct symlist **list; | |
551 | { | |
552 | struct stat st; | |
553 | FILE * f; | |
554 | char * line; | |
555 | char * buffer; | |
556 | unsigned int line_count; | |
557 | ||
558 | if (stat (filename, & st) < 0) | |
559 | fatal (_("cannot stat: %s: %s"), filename, strerror (errno)); | |
560 | if (st.st_size == 0) | |
561 | return; | |
562 | ||
563 | buffer = (char *) xmalloc (st.st_size + 2); | |
564 | f = fopen (filename, FOPEN_RT); | |
565 | if (f == NULL) | |
566 | fatal (_("cannot open: %s: %s"), filename, strerror (errno)); | |
567 | ||
568 | if (fread (buffer, 1, st.st_size, f) == 0 || ferror (f)) | |
569 | fatal (_("%s: fread failed"), filename); | |
570 | ||
571 | fclose (f); | |
572 | buffer [st.st_size] = '\n'; | |
573 | buffer [st.st_size + 1] = '\0'; | |
574 | ||
575 | line_count = 1; | |
576 | ||
577 | for (line = buffer; * line != '\0'; line ++) | |
578 | { | |
579 | char * eol; | |
580 | char * name; | |
581 | char * name_end; | |
582 | int finished = false; | |
583 | ||
584 | for (eol = line;; eol ++) | |
585 | { | |
586 | switch (* eol) | |
587 | { | |
588 | case '\n': | |
589 | * eol = '\0'; | |
590 | /* Cope with \n\r. */ | |
591 | if (eol[1] == '\r') | |
592 | ++ eol; | |
593 | finished = true; | |
594 | break; | |
595 | ||
596 | case '\r': | |
597 | * eol = '\0'; | |
598 | /* Cope with \r\n. */ | |
599 | if (eol[1] == '\n') | |
600 | ++ eol; | |
601 | finished = true; | |
602 | break; | |
603 | ||
604 | case 0: | |
605 | finished = true; | |
606 | break; | |
607 | ||
608 | case '#': | |
609 | /* Line comment, Terminate the line here, in case a | |
610 | name is present and then allow the rest of the | |
611 | loop to find the real end of the line. */ | |
612 | * eol = '\0'; | |
613 | break; | |
614 | ||
615 | default: | |
616 | break; | |
617 | } | |
618 | ||
619 | if (finished) | |
620 | break; | |
621 | } | |
622 | ||
623 | /* A name may now exist somewhere between 'line' and 'eol'. | |
624 | Strip off leading whitespace and trailing whitespace, | |
625 | then add it to the list. */ | |
626 | for (name = line; IS_WHITESPACE (* name); name ++) | |
627 | ; | |
628 | for (name_end = name; | |
629 | (! IS_WHITESPACE (* name_end)) | |
630 | && (! IS_LINE_TERMINATOR (* name_end)); | |
631 | name_end ++) | |
632 | ; | |
633 | ||
634 | if (! IS_LINE_TERMINATOR (* name_end)) | |
635 | { | |
636 | char * extra; | |
637 | ||
638 | for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++) | |
639 | ; | |
640 | ||
641 | if (! IS_LINE_TERMINATOR (* extra)) | |
642 | non_fatal (_("Ignoring rubbish found on line %d of %s"), | |
643 | line_count, filename); | |
644 | } | |
645 | ||
646 | * name_end = '\0'; | |
647 | ||
648 | if (name_end > name) | |
649 | add_specific_symbol (name, list); | |
650 | ||
651 | /* Advance line pointer to end of line. The 'eol ++' in the for | |
652 | loop above will then advance us to the start of the next line. */ | |
653 | line = eol; | |
654 | line_count ++; | |
655 | } | |
656 | } | |
657 | ||
252b5132 RH |
658 | /* See whether a symbol should be stripped or kept based on |
659 | strip_specific_list and keep_symbols. */ | |
660 | ||
661 | static boolean | |
662 | is_specified_symbol (name, list) | |
663 | const char *name; | |
664 | struct symlist *list; | |
665 | { | |
666 | struct symlist *tmp_list; | |
667 | ||
668 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) | |
669 | { | |
670 | if (strcmp (name, tmp_list->name) == 0) | |
671 | return true; | |
672 | } | |
673 | return false; | |
674 | } | |
675 | ||
676 | /* See if a section is being removed. */ | |
677 | ||
678 | static boolean | |
679 | is_strip_section (abfd, sec) | |
b4c96d0d | 680 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
681 | asection *sec; |
682 | { | |
683 | struct section_list *p; | |
684 | ||
685 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 | |
686 | && (strip_symbols == STRIP_DEBUG | |
687 | || strip_symbols == STRIP_UNNEEDED | |
688 | || strip_symbols == STRIP_ALL | |
689 | || discard_locals == LOCALS_ALL | |
690 | || convert_debugging)) | |
691 | return true; | |
692 | ||
f91ea849 | 693 | if (! sections_removed && ! sections_copied) |
252b5132 | 694 | return false; |
f91ea849 | 695 | |
252b5132 | 696 | p = find_section_list (bfd_get_section_name (abfd, sec), false); |
f91ea849 ILT |
697 | if (sections_removed && p != NULL && p->remove) |
698 | return true; | |
699 | if (sections_copied && (p == NULL || ! p->copy)) | |
700 | return true; | |
701 | return false; | |
252b5132 RH |
702 | } |
703 | ||
704 | /* Choose which symbol entries to copy; put the result in OSYMS. | |
705 | We don't copy in place, because that confuses the relocs. | |
706 | Return the number of symbols to print. */ | |
707 | ||
708 | static unsigned int | |
709 | filter_symbols (abfd, obfd, osyms, isyms, symcount) | |
710 | bfd *abfd; | |
711 | bfd *obfd; | |
712 | asymbol **osyms, **isyms; | |
713 | long symcount; | |
714 | { | |
715 | register asymbol **from = isyms, **to = osyms; | |
716 | long src_count = 0, dst_count = 0; | |
d8121479 L |
717 | int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC)) |
718 | == HAS_RELOC; | |
252b5132 RH |
719 | |
720 | for (; src_count < symcount; src_count++) | |
721 | { | |
722 | asymbol *sym = from[src_count]; | |
723 | flagword flags = sym->flags; | |
724 | const char *name = bfd_asymbol_name (sym); | |
725 | int keep; | |
24e01a36 | 726 | boolean undefined; |
252b5132 | 727 | |
57938635 AM |
728 | if (redefine_sym_list) |
729 | { | |
730 | const char *old_name, *new_name; | |
731 | ||
732 | old_name = bfd_asymbol_name (sym); | |
733 | new_name = lookup_sym_redefinition (old_name); | |
734 | name = bfd_asymbol_name (sym) = new_name; | |
735 | } | |
736 | ||
252b5132 RH |
737 | if (change_leading_char |
738 | && (bfd_get_symbol_leading_char (abfd) | |
739 | != bfd_get_symbol_leading_char (obfd)) | |
740 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
741 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
742 | { | |
743 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
744 | name = bfd_asymbol_name (sym) = name + 1; | |
745 | else | |
746 | { | |
747 | char *n; | |
748 | ||
749 | n = xmalloc (strlen (name) + 2); | |
750 | n[0] = bfd_get_symbol_leading_char (obfd); | |
751 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
752 | strcpy (n + 1, name); | |
753 | else | |
754 | strcpy (n + 1, name + 1); | |
755 | name = bfd_asymbol_name (sym) = n; | |
756 | } | |
757 | } | |
758 | ||
24e01a36 L |
759 | undefined = bfd_is_und_section (bfd_get_section (sym)); |
760 | ||
252b5132 RH |
761 | if (remove_leading_char |
762 | && ((flags & BSF_GLOBAL) != 0 | |
763 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 764 | || undefined |
252b5132 RH |
765 | || bfd_is_com_section (bfd_get_section (sym))) |
766 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
767 | name = bfd_asymbol_name (sym) = name + 1; | |
768 | ||
769 | if (strip_symbols == STRIP_ALL) | |
770 | keep = 0; | |
771 | else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */ | |
772 | || ((flags & BSF_SECTION_SYM) != 0 | |
773 | && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags | |
774 | & BSF_KEEP) != 0)) | |
775 | keep = 1; | |
d8121479 L |
776 | else if (relocatable /* Relocatable file. */ |
777 | && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0) | |
778 | keep = 1; | |
16b2b71c NC |
779 | else if (bfd_decode_symclass (sym) == 'I') |
780 | /* Global symbols in $idata sections need to be retained | |
781 | even if relocatable is false. External users of the | |
782 | library containing the $idata section may reference these | |
783 | symbols. */ | |
af3bdff7 | 784 | keep = 1; |
252b5132 RH |
785 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
786 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 787 | || undefined |
252b5132 RH |
788 | || bfd_is_com_section (bfd_get_section (sym))) |
789 | keep = strip_symbols != STRIP_UNNEEDED; | |
790 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ | |
791 | keep = (strip_symbols != STRIP_DEBUG | |
792 | && strip_symbols != STRIP_UNNEEDED | |
793 | && ! convert_debugging); | |
af3bdff7 NC |
794 | else if (bfd_get_section (sym)->comdat) |
795 | /* COMDAT sections store special information in local | |
796 | symbols, so we cannot risk stripping any of them. */ | |
797 | keep = 1; | |
252b5132 RH |
798 | else /* Local symbol. */ |
799 | keep = (strip_symbols != STRIP_UNNEEDED | |
800 | && (discard_locals != LOCALS_ALL | |
801 | && (discard_locals != LOCALS_START_L | |
802 | || ! bfd_is_local_label (abfd, sym)))); | |
803 | ||
804 | if (keep && is_specified_symbol (name, strip_specific_list)) | |
805 | keep = 0; | |
806 | if (!keep && is_specified_symbol (name, keep_specific_list)) | |
807 | keep = 1; | |
808 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) | |
809 | keep = 0; | |
e0c60db2 | 810 | |
252b5132 RH |
811 | if (keep && (flags & BSF_GLOBAL) != 0 |
812 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
813 | { | |
814 | sym->flags &=~ BSF_GLOBAL; | |
815 | sym->flags |= BSF_WEAK; | |
816 | } | |
24e01a36 | 817 | if (keep && !undefined && (flags & (BSF_GLOBAL | BSF_WEAK)) |
16b2b71c NC |
818 | && (is_specified_symbol (name, localize_specific_list) |
819 | || (keepglobal_specific_list != NULL | |
820 | && ! is_specified_symbol (name, keepglobal_specific_list)))) | |
252b5132 RH |
821 | { |
822 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
823 | sym->flags |= BSF_LOCAL; | |
824 | } | |
825 | ||
826 | if (keep) | |
827 | to[dst_count++] = sym; | |
828 | } | |
829 | ||
830 | to[dst_count] = NULL; | |
831 | ||
832 | return dst_count; | |
833 | } | |
834 | ||
57938635 AM |
835 | static const char * |
836 | lookup_sym_redefinition (source) | |
837 | const char *source; | |
838 | { | |
839 | const char *result; | |
840 | struct redefine_node *list; | |
841 | ||
842 | result = source; | |
843 | ||
844 | for (list = redefine_sym_list; list != NULL; list = list->next) | |
845 | { | |
846 | if (strcmp (source, list->source) == 0) | |
847 | { | |
848 | result = list->target; | |
849 | break; | |
850 | } | |
851 | } | |
852 | return result; | |
853 | } | |
854 | ||
855 | /* Add a node to a symbol redefine list */ | |
856 | ||
857 | static void | |
858 | redefine_list_append (source, target) | |
859 | const char *source; | |
860 | const char *target; | |
861 | { | |
862 | struct redefine_node **p; | |
863 | struct redefine_node *list; | |
864 | struct redefine_node *new_node; | |
865 | ||
866 | for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next) | |
867 | { | |
868 | if (strcmp (source, list->source) == 0) | |
869 | { | |
870 | fatal (_("%s: Multiple redefinition of symbol \"%s\""), | |
871 | "--redefine-sym", | |
872 | source); | |
873 | } | |
874 | ||
875 | if (strcmp (target, list->target) == 0) | |
876 | { | |
877 | fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"), | |
878 | "--redefine-sym", | |
879 | target); | |
880 | } | |
881 | } | |
882 | ||
883 | new_node = (struct redefine_node *) xmalloc (sizeof (struct redefine_node)); | |
884 | ||
885 | new_node->source = strdup (source); | |
886 | new_node->target = strdup (target); | |
887 | new_node->next = NULL; | |
888 | ||
889 | *p = new_node; | |
890 | } | |
891 | ||
892 | ||
252b5132 RH |
893 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
894 | Adjust *SIZE. */ | |
895 | ||
896 | static void | |
897 | filter_bytes (memhunk, size) | |
898 | char *memhunk; | |
899 | bfd_size_type *size; | |
900 | { | |
901 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
902 | ||
903 | for (; from < end; from += interleave) | |
904 | *to++ = *from; | |
b4c96d0d | 905 | if (*size % interleave > (bfd_size_type) copy_byte) |
252b5132 RH |
906 | *size = (*size / interleave) + 1; |
907 | else | |
908 | *size /= interleave; | |
909 | } | |
910 | ||
911 | /* Copy object file IBFD onto OBFD. */ | |
912 | ||
913 | static void | |
914 | copy_object (ibfd, obfd) | |
915 | bfd *ibfd; | |
916 | bfd *obfd; | |
917 | { | |
918 | bfd_vma start; | |
919 | long symcount; | |
920 | asection **osections = NULL; | |
921 | bfd_size_type *gaps = NULL; | |
922 | bfd_size_type max_gap = 0; | |
923 | long symsize; | |
924 | PTR dhandle; | |
925 | ||
23719f39 NC |
926 | if (ibfd->xvec->byteorder != obfd->xvec->byteorder |
927 | && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN | |
928 | && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN) | |
929 | { | |
930 | fatal (_("Unable to change endianness of input file(s)")); | |
931 | return; | |
932 | } | |
252b5132 RH |
933 | |
934 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
935 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
936 | ||
937 | if (verbose) | |
938 | printf (_("copy from %s(%s) to %s(%s)\n"), | |
939 | bfd_get_filename (ibfd), bfd_get_target (ibfd), | |
940 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
941 | ||
942 | if (set_start_set) | |
943 | start = set_start; | |
944 | else | |
945 | start = bfd_get_start_address (ibfd); | |
946 | start += change_start; | |
947 | ||
948 | if (!bfd_set_start_address (obfd, start) | |
949 | || !bfd_set_file_flags (obfd, | |
950 | (bfd_get_file_flags (ibfd) | |
951 | & bfd_applicable_file_flags (obfd)))) | |
952 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
953 | ||
954 | /* Copy architecture of input file to output file */ | |
955 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), | |
956 | bfd_get_mach (ibfd))) | |
957 | non_fatal (_("Warning: Output file cannot represent architecture %s"), | |
958 | bfd_printable_arch_mach (bfd_get_arch (ibfd), | |
959 | bfd_get_mach (ibfd))); | |
57938635 | 960 | |
252b5132 RH |
961 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
962 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
963 | ||
964 | if (isympp) | |
965 | free (isympp); | |
57938635 | 966 | |
252b5132 RH |
967 | if (osympp != isympp) |
968 | free (osympp); | |
969 | ||
970 | /* BFD mandates that all output sections be created and sizes set before | |
971 | any output is done. Thus, we traverse all sections multiple times. */ | |
972 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
973 | ||
974 | if (add_sections != NULL) | |
975 | { | |
976 | struct section_add *padd; | |
977 | struct section_list *pset; | |
978 | ||
979 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
980 | { | |
981 | padd->section = bfd_make_section (obfd, padd->name); | |
982 | if (padd->section == NULL) | |
983 | { | |
984 | non_fatal (_("can't create section `%s': %s"), | |
985 | padd->name, bfd_errmsg (bfd_get_error ())); | |
986 | status = 1; | |
987 | return; | |
988 | } | |
989 | else | |
990 | { | |
991 | flagword flags; | |
57938635 | 992 | |
252b5132 RH |
993 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) |
994 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
995 | ||
996 | pset = find_section_list (padd->name, false); | |
997 | if (pset != NULL) | |
998 | pset->used = true; | |
999 | ||
1000 | if (pset != NULL && pset->set_flags) | |
1001 | flags = pset->flags | SEC_HAS_CONTENTS; | |
1002 | else | |
1003 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
57938635 | 1004 | |
252b5132 RH |
1005 | if (! bfd_set_section_flags (obfd, padd->section, flags)) |
1006 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1007 | ||
1008 | if (pset != NULL) | |
1009 | { | |
1010 | if (pset->change_vma != CHANGE_IGNORE) | |
1011 | if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val)) | |
1012 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
57938635 | 1013 | |
252b5132 RH |
1014 | if (pset->change_lma != CHANGE_IGNORE) |
1015 | { | |
1016 | padd->section->lma = pset->lma_val; | |
57938635 | 1017 | |
252b5132 RH |
1018 | if (! bfd_set_section_alignment |
1019 | (obfd, padd->section, | |
1020 | bfd_section_alignment (obfd, padd->section))) | |
1021 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1022 | } | |
1023 | } | |
1024 | } | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | if (gap_fill_set || pad_to_set) | |
1029 | { | |
1030 | asection **set; | |
1031 | unsigned int c, i; | |
1032 | ||
1033 | /* We must fill in gaps between the sections and/or we must pad | |
1034 | the last section to a specified address. We do this by | |
1035 | grabbing a list of the sections, sorting them by VMA, and | |
1036 | increasing the section sizes as required to fill the gaps. | |
1037 | We write out the gap contents below. */ | |
1038 | ||
1039 | c = bfd_count_sections (obfd); | |
1040 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
1041 | set = osections; | |
1042 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
1043 | ||
1044 | qsort (osections, c, sizeof (asection *), compare_section_lma); | |
1045 | ||
1046 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
1047 | memset (gaps, 0, c * sizeof (bfd_size_type)); | |
1048 | ||
1049 | if (gap_fill_set) | |
1050 | { | |
1051 | for (i = 0; i < c - 1; i++) | |
1052 | { | |
1053 | flagword flags; | |
1054 | bfd_size_type size; | |
1055 | bfd_vma gap_start, gap_stop; | |
1056 | ||
1057 | flags = bfd_get_section_flags (obfd, osections[i]); | |
1058 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
1059 | || (flags & SEC_LOAD) == 0) | |
1060 | continue; | |
1061 | ||
1062 | size = bfd_section_size (obfd, osections[i]); | |
1063 | gap_start = bfd_section_lma (obfd, osections[i]) + size; | |
1064 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
1065 | if (gap_start < gap_stop) | |
1066 | { | |
1067 | if (! bfd_set_section_size (obfd, osections[i], | |
1068 | size + (gap_stop - gap_start))) | |
1069 | { | |
1070 | non_fatal (_("Can't fill gap after %s: %s"), | |
1071 | bfd_get_section_name (obfd, osections[i]), | |
1072 | bfd_errmsg (bfd_get_error ())); | |
1073 | status = 1; | |
1074 | break; | |
1075 | } | |
1076 | gaps[i] = gap_stop - gap_start; | |
1077 | if (max_gap < gap_stop - gap_start) | |
1078 | max_gap = gap_stop - gap_start; | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | if (pad_to_set) | |
1084 | { | |
1085 | bfd_vma lma; | |
1086 | bfd_size_type size; | |
1087 | ||
1088 | lma = bfd_section_lma (obfd, osections[c - 1]); | |
1089 | size = bfd_section_size (obfd, osections[c - 1]); | |
1090 | if (lma + size < pad_to) | |
1091 | { | |
1092 | if (! bfd_set_section_size (obfd, osections[c - 1], | |
1093 | pad_to - lma)) | |
1094 | { | |
1095 | non_fatal (_("Can't add padding to %s: %s"), | |
1096 | bfd_get_section_name (obfd, osections[c - 1]), | |
1097 | bfd_errmsg (bfd_get_error ())); | |
1098 | status = 1; | |
1099 | } | |
1100 | else | |
1101 | { | |
1102 | gaps[c - 1] = pad_to - (lma + size); | |
1103 | if (max_gap < pad_to - (lma + size)) | |
1104 | max_gap = pad_to - (lma + size); | |
1105 | } | |
1106 | } | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | /* Symbol filtering must happen after the output sections have | |
1111 | been created, but before their contents are set. */ | |
1112 | dhandle = NULL; | |
1113 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
1114 | if (symsize < 0) | |
1115 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1116 | |
252b5132 RH |
1117 | osympp = isympp = (asymbol **) xmalloc (symsize); |
1118 | symcount = bfd_canonicalize_symtab (ibfd, isympp); | |
1119 | if (symcount < 0) | |
1120 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1121 | |
252b5132 RH |
1122 | if (convert_debugging) |
1123 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
57938635 AM |
1124 | |
1125 | if (strip_symbols == STRIP_DEBUG | |
252b5132 RH |
1126 | || strip_symbols == STRIP_ALL |
1127 | || strip_symbols == STRIP_UNNEEDED | |
1128 | || discard_locals != LOCALS_UNDEF | |
1129 | || strip_specific_list != NULL | |
1130 | || keep_specific_list != NULL | |
1131 | || localize_specific_list != NULL | |
16b2b71c | 1132 | || keepglobal_specific_list != NULL |
252b5132 RH |
1133 | || weaken_specific_list != NULL |
1134 | || sections_removed | |
f91ea849 | 1135 | || sections_copied |
252b5132 RH |
1136 | || convert_debugging |
1137 | || change_leading_char | |
1138 | || remove_leading_char | |
57938635 | 1139 | || redefine_sym_list |
252b5132 RH |
1140 | || weaken) |
1141 | { | |
1142 | /* Mark symbols used in output relocations so that they | |
1143 | are kept, even if they are local labels or static symbols. | |
57938635 | 1144 | |
252b5132 RH |
1145 | Note we iterate over the input sections examining their |
1146 | relocations since the relocations for the output sections | |
1147 | haven't been set yet. mark_symbols_used_in_relocations will | |
1148 | ignore input sections which have no corresponding output | |
1149 | section. */ | |
1150 | if (strip_symbols != STRIP_ALL) | |
1151 | bfd_map_over_sections (ibfd, | |
1152 | mark_symbols_used_in_relocations, | |
1153 | (PTR)isympp); | |
1154 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); | |
1155 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
1156 | } | |
1157 | ||
1158 | if (convert_debugging && dhandle != NULL) | |
1159 | { | |
1160 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
1161 | { | |
1162 | status = 1; | |
1163 | return; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | bfd_set_symtab (obfd, osympp, symcount); | |
1168 | ||
1169 | /* This has to happen after the symbol table has been set. */ | |
1170 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); | |
1171 | ||
1172 | if (add_sections != NULL) | |
1173 | { | |
1174 | struct section_add *padd; | |
1175 | ||
1176 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1177 | { | |
1178 | if (! bfd_set_section_contents (obfd, padd->section, | |
1179 | (PTR) padd->contents, | |
1180 | (file_ptr) 0, | |
1181 | (bfd_size_type) padd->size)) | |
1182 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1183 | } | |
1184 | } | |
1185 | ||
1186 | if (gap_fill_set || pad_to_set) | |
1187 | { | |
1188 | bfd_byte *buf; | |
1189 | int c, i; | |
1190 | ||
1191 | /* Fill in the gaps. */ | |
1192 | ||
1193 | if (max_gap > 8192) | |
1194 | max_gap = 8192; | |
1195 | buf = (bfd_byte *) xmalloc (max_gap); | |
1196 | memset (buf, gap_fill, (size_t) max_gap); | |
1197 | ||
1198 | c = bfd_count_sections (obfd); | |
1199 | for (i = 0; i < c; i++) | |
1200 | { | |
1201 | if (gaps[i] != 0) | |
1202 | { | |
1203 | bfd_size_type left; | |
1204 | file_ptr off; | |
1205 | ||
1206 | left = gaps[i]; | |
1207 | off = bfd_section_size (obfd, osections[i]) - left; | |
1208 | while (left > 0) | |
1209 | { | |
1210 | bfd_size_type now; | |
1211 | ||
1212 | if (left > 8192) | |
1213 | now = 8192; | |
1214 | else | |
1215 | now = left; | |
1216 | ||
1217 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
1218 | off, now)) | |
1219 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1220 | ||
1221 | left -= now; | |
1222 | off += now; | |
1223 | } | |
1224 | } | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | /* Allow the BFD backend to copy any private data it understands | |
1229 | from the input BFD to the output BFD. This is done last to | |
1230 | permit the routine to look at the filtered symbol table, which is | |
1231 | important for the ECOFF code at least. */ | |
1232 | if (!bfd_copy_private_bfd_data (ibfd, obfd)) | |
1233 | { | |
1234 | non_fatal (_("%s: error copying private BFD data: %s"), | |
1235 | bfd_get_filename (obfd), | |
1236 | bfd_errmsg (bfd_get_error ())); | |
1237 | status = 1; | |
1238 | return; | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | /* Read each archive element in turn from IBFD, copy the | |
1243 | contents to temp file, and keep the temp file handle. */ | |
1244 | ||
1245 | static void | |
1246 | copy_archive (ibfd, obfd, output_target) | |
1247 | bfd *ibfd; | |
1248 | bfd *obfd; | |
1249 | const char *output_target; | |
1250 | { | |
1251 | struct name_list | |
1252 | { | |
1253 | struct name_list *next; | |
1254 | char *name; | |
1255 | bfd *obfd; | |
1256 | } *list, *l; | |
1257 | bfd **ptr = &obfd->archive_head; | |
1258 | bfd *this_element; | |
1259 | char *dir = make_tempname (bfd_get_filename (obfd)); | |
1260 | ||
1261 | /* Make a temp directory to hold the contents. */ | |
1262 | #if defined (_WIN32) && !defined (__CYGWIN32__) | |
1263 | if (mkdir (dir) != 0) | |
1264 | #else | |
1265 | if (mkdir (dir, 0700) != 0) | |
1266 | #endif | |
1267 | { | |
1268 | fatal (_("cannot mkdir %s for archive copying (error: %s)"), | |
1269 | dir, strerror (errno)); | |
1270 | } | |
1271 | obfd->has_armap = ibfd->has_armap; | |
1272 | ||
1273 | list = NULL; | |
1274 | ||
1275 | this_element = bfd_openr_next_archived_file (ibfd, NULL); | |
1276 | while (!status && this_element != (bfd *) NULL) | |
1277 | { | |
1278 | /* Create an output file for this member. */ | |
1279 | char *output_name = concat (dir, "/", bfd_get_filename (this_element), | |
1280 | (char *) NULL); | |
1281 | bfd *output_bfd = bfd_openw (output_name, output_target); | |
1282 | bfd *last_element; | |
8066d1a2 AS |
1283 | struct stat buf; |
1284 | int stat_status = 0; | |
1285 | ||
1286 | if (preserve_dates) | |
1287 | { | |
1288 | stat_status = bfd_stat_arch_elt (this_element, &buf); | |
1289 | if (stat_status != 0) | |
1290 | non_fatal (_("internal stat error on %s"), | |
1291 | bfd_get_filename (this_element)); | |
1292 | } | |
252b5132 RH |
1293 | |
1294 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
1295 | l->name = output_name; | |
1296 | l->next = list; | |
1297 | list = l; | |
1298 | ||
1299 | if (output_bfd == (bfd *) NULL) | |
1300 | RETURN_NONFATAL (output_name); | |
1301 | ||
1302 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
1303 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1304 | ||
1305 | if (bfd_check_format (this_element, bfd_object) == true) | |
1306 | copy_object (this_element, output_bfd); | |
1307 | ||
1308 | if (!bfd_close (output_bfd)) | |
1309 | { | |
1310 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
1311 | /* Error in new object file. Don't change archive. */ | |
1312 | status = 1; | |
1313 | } | |
1314 | ||
8066d1a2 AS |
1315 | if (preserve_dates && stat_status == 0) |
1316 | set_times (output_name, &buf); | |
1317 | ||
252b5132 RH |
1318 | /* Open the newly output file and attach to our list. */ |
1319 | output_bfd = bfd_openr (output_name, output_target); | |
1320 | ||
1321 | l->obfd = output_bfd; | |
1322 | ||
1323 | *ptr = output_bfd; | |
1324 | ptr = &output_bfd->next; | |
1325 | ||
1326 | last_element = this_element; | |
1327 | ||
1328 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
1329 | ||
1330 | bfd_close (last_element); | |
1331 | } | |
1332 | *ptr = (bfd *) NULL; | |
1333 | ||
1334 | if (!bfd_close (obfd)) | |
1335 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1336 | ||
1337 | if (!bfd_close (ibfd)) | |
1338 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1339 | ||
1340 | /* Delete all the files that we opened. */ | |
1341 | for (l = list; l != NULL; l = l->next) | |
1342 | { | |
1343 | bfd_close (l->obfd); | |
1344 | unlink (l->name); | |
1345 | } | |
1346 | rmdir (dir); | |
1347 | } | |
1348 | ||
1349 | /* The top-level control. */ | |
1350 | ||
1351 | static void | |
1352 | copy_file (input_filename, output_filename, input_target, output_target) | |
1353 | const char *input_filename; | |
1354 | const char *output_filename; | |
1355 | const char *input_target; | |
1356 | const char *output_target; | |
1357 | { | |
1358 | bfd *ibfd; | |
1359 | char **matching; | |
1360 | ||
1361 | /* To allow us to do "strip *" without dying on the first | |
1362 | non-object file, failures are nonfatal. */ | |
1363 | ||
1364 | ibfd = bfd_openr (input_filename, input_target); | |
1365 | if (ibfd == NULL) | |
1366 | RETURN_NONFATAL (input_filename); | |
1367 | ||
1368 | if (bfd_check_format (ibfd, bfd_archive)) | |
1369 | { | |
1370 | bfd *obfd; | |
1371 | ||
1372 | /* bfd_get_target does not return the correct value until | |
1373 | bfd_check_format succeeds. */ | |
1374 | if (output_target == NULL) | |
1375 | output_target = bfd_get_target (ibfd); | |
1376 | ||
1377 | obfd = bfd_openw (output_filename, output_target); | |
1378 | if (obfd == NULL) | |
1379 | RETURN_NONFATAL (output_filename); | |
1380 | ||
1381 | copy_archive (ibfd, obfd, output_target); | |
1382 | } | |
1383 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
1384 | { | |
1385 | bfd *obfd; | |
1386 | ||
1387 | /* bfd_get_target does not return the correct value until | |
1388 | bfd_check_format succeeds. */ | |
1389 | if (output_target == NULL) | |
1390 | output_target = bfd_get_target (ibfd); | |
1391 | ||
1392 | obfd = bfd_openw (output_filename, output_target); | |
1393 | if (obfd == NULL) | |
1394 | RETURN_NONFATAL (output_filename); | |
1395 | ||
1396 | copy_object (ibfd, obfd); | |
1397 | ||
1398 | if (!bfd_close (obfd)) | |
1399 | RETURN_NONFATAL (output_filename); | |
1400 | ||
1401 | if (!bfd_close (ibfd)) | |
1402 | RETURN_NONFATAL (input_filename); | |
1403 | } | |
1404 | else | |
1405 | { | |
1406 | bfd_nonfatal (input_filename); | |
57938635 | 1407 | |
252b5132 RH |
1408 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
1409 | { | |
1410 | list_matching_formats (matching); | |
1411 | free (matching); | |
1412 | } | |
57938635 | 1413 | |
252b5132 RH |
1414 | status = 1; |
1415 | } | |
1416 | } | |
1417 | ||
1418 | /* Create a section in OBFD with the same name and attributes | |
1419 | as ISECTION in IBFD. */ | |
1420 | ||
1421 | static void | |
1422 | setup_section (ibfd, isection, obfdarg) | |
1423 | bfd *ibfd; | |
1424 | sec_ptr isection; | |
1425 | PTR obfdarg; | |
1426 | { | |
1427 | bfd *obfd = (bfd *) obfdarg; | |
1428 | struct section_list *p; | |
1429 | sec_ptr osection; | |
1430 | bfd_size_type size; | |
1431 | bfd_vma vma; | |
1432 | bfd_vma lma; | |
1433 | flagword flags; | |
1a89cc7d | 1434 | const char *err; |
252b5132 RH |
1435 | |
1436 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 | |
1437 | && (strip_symbols == STRIP_DEBUG | |
1438 | || strip_symbols == STRIP_UNNEEDED | |
1439 | || strip_symbols == STRIP_ALL | |
1440 | || discard_locals == LOCALS_ALL | |
1441 | || convert_debugging)) | |
1442 | return; | |
1443 | ||
1444 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1445 | if (p != NULL) | |
1446 | p->used = true; | |
1447 | ||
f91ea849 ILT |
1448 | if (sections_removed && p != NULL && p->remove) |
1449 | return; | |
1450 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1451 | return; |
1452 | ||
1453 | osection = bfd_make_section_anyway (obfd, bfd_section_name (ibfd, isection)); | |
57938635 | 1454 | |
252b5132 RH |
1455 | if (osection == NULL) |
1456 | { | |
1a89cc7d | 1457 | err = _("making"); |
252b5132 RH |
1458 | goto loser; |
1459 | } | |
1460 | ||
1461 | size = bfd_section_size (ibfd, isection); | |
1462 | if (copy_byte >= 0) | |
1463 | size = (size + interleave - 1) / interleave; | |
1464 | if (! bfd_set_section_size (obfd, osection, size)) | |
1465 | { | |
1a89cc7d | 1466 | err = _("size"); |
252b5132 RH |
1467 | goto loser; |
1468 | } | |
57938635 | 1469 | |
252b5132 RH |
1470 | vma = bfd_section_vma (ibfd, isection); |
1471 | if (p != NULL && p->change_vma == CHANGE_MODIFY) | |
1472 | vma += p->vma_val; | |
1473 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
1474 | vma = p->vma_val; | |
1475 | else | |
1476 | vma += change_section_address; | |
57938635 | 1477 | |
252b5132 RH |
1478 | if (! bfd_set_section_vma (obfd, osection, vma)) |
1479 | { | |
1a89cc7d | 1480 | err = _("vma"); |
252b5132 RH |
1481 | goto loser; |
1482 | } | |
1483 | ||
1484 | lma = isection->lma; | |
1485 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) | |
1486 | { | |
1487 | if (p->change_lma == CHANGE_MODIFY) | |
1488 | lma += p->lma_val; | |
1489 | else if (p->change_lma == CHANGE_SET) | |
1490 | lma = p->lma_val; | |
1491 | else | |
1492 | abort (); | |
1493 | } | |
1494 | else | |
1495 | lma += change_section_address; | |
57938635 | 1496 | |
252b5132 RH |
1497 | osection->lma = lma; |
1498 | ||
1499 | /* FIXME: This is probably not enough. If we change the LMA we | |
1500 | may have to recompute the header for the file as well. */ | |
1501 | if (bfd_set_section_alignment (obfd, | |
1502 | osection, | |
1503 | bfd_section_alignment (ibfd, isection)) | |
1504 | == false) | |
1505 | { | |
1a89cc7d | 1506 | err = _("alignment"); |
252b5132 RH |
1507 | goto loser; |
1508 | } | |
1509 | ||
1510 | flags = bfd_get_section_flags (ibfd, isection); | |
1511 | if (p != NULL && p->set_flags) | |
1512 | flags = p->flags | (flags & SEC_HAS_CONTENTS); | |
1513 | if (!bfd_set_section_flags (obfd, osection, flags)) | |
1514 | { | |
1a89cc7d | 1515 | err = _("flags"); |
252b5132 RH |
1516 | goto loser; |
1517 | } | |
1518 | ||
1519 | /* This used to be mangle_section; we do here to avoid using | |
1520 | bfd_get_section_by_name since some formats allow multiple | |
1521 | sections with the same name. */ | |
1522 | isection->output_section = osection; | |
1523 | isection->output_offset = 0; | |
1524 | ||
1525 | /* Allow the BFD backend to copy any private data it understands | |
1526 | from the input section to the output section. */ | |
1527 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1528 | { | |
1a89cc7d | 1529 | err = _("private data"); |
252b5132 RH |
1530 | goto loser; |
1531 | } | |
1532 | ||
1533 | /* All went well */ | |
1534 | return; | |
1535 | ||
1536 | loser: | |
1537 | non_fatal (_("%s: section `%s': error in %s: %s"), | |
1538 | bfd_get_filename (ibfd), | |
1539 | bfd_section_name (ibfd, isection), | |
1540 | err, bfd_errmsg (bfd_get_error ())); | |
1541 | status = 1; | |
1542 | } | |
1543 | ||
1544 | /* Copy the data of input section ISECTION of IBFD | |
1545 | to an output section with the same name in OBFD. | |
1546 | If stripping then don't copy any relocation info. */ | |
1547 | ||
1548 | static void | |
1549 | copy_section (ibfd, isection, obfdarg) | |
1550 | bfd *ibfd; | |
1551 | sec_ptr isection; | |
1552 | PTR obfdarg; | |
1553 | { | |
1554 | bfd *obfd = (bfd *) obfdarg; | |
1555 | struct section_list *p; | |
1556 | arelent **relpp; | |
1557 | long relcount; | |
1558 | sec_ptr osection; | |
1559 | bfd_size_type size; | |
1560 | long relsize; | |
1561 | ||
1562 | /* If we have already failed earlier on, do not keep on generating | |
1563 | complaints now. */ | |
1564 | if (status != 0) | |
1565 | return; | |
57938635 | 1566 | |
252b5132 RH |
1567 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
1568 | && (strip_symbols == STRIP_DEBUG | |
1569 | || strip_symbols == STRIP_UNNEEDED | |
1570 | || strip_symbols == STRIP_ALL | |
1571 | || discard_locals == LOCALS_ALL | |
1572 | || convert_debugging)) | |
e0c60db2 | 1573 | return; |
252b5132 RH |
1574 | |
1575 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1576 | ||
f91ea849 ILT |
1577 | if (sections_removed && p != NULL && p->remove) |
1578 | return; | |
1579 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1580 | return; |
1581 | ||
1582 | osection = isection->output_section; | |
1583 | size = bfd_get_section_size_before_reloc (isection); | |
1584 | ||
1585 | if (size == 0 || osection == 0) | |
1586 | return; | |
1587 | ||
252b5132 RH |
1588 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1589 | if (relsize < 0) | |
1590 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1591 | |
252b5132 RH |
1592 | if (relsize == 0) |
1593 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1594 | else | |
1595 | { | |
1596 | relpp = (arelent **) xmalloc (relsize); | |
1597 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1598 | if (relcount < 0) | |
1599 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1600 | |
252b5132 RH |
1601 | if (strip_symbols == STRIP_ALL) |
1602 | { | |
1603 | /* Remove relocations which are not in | |
1604 | keep_strip_specific_list. */ | |
1605 | arelent **temp_relpp; | |
1606 | long temp_relcount = 0; | |
1607 | long i; | |
57938635 | 1608 | |
252b5132 RH |
1609 | temp_relpp = (arelent **) xmalloc (relsize); |
1610 | for (i = 0; i < relcount; i++) | |
1611 | if (is_specified_symbol | |
1612 | (bfd_asymbol_name (*relpp [i]->sym_ptr_ptr), | |
1613 | keep_specific_list)) | |
1614 | temp_relpp [temp_relcount++] = relpp [i]; | |
1615 | relcount = temp_relcount; | |
1616 | free (relpp); | |
1617 | relpp = temp_relpp; | |
1618 | } | |
e0c60db2 NC |
1619 | else if (sections_removed) |
1620 | { | |
1621 | /* Remove relocations which are against symbols | |
1622 | in sections that have been removed, unless | |
1623 | the symbols are going to be preserved. */ | |
1624 | arelent ** temp_relpp; | |
1625 | asymbol * sym; | |
1626 | long temp_relcount = 0; | |
1627 | long i; | |
1628 | ||
1629 | temp_relpp = (arelent **) xmalloc (relsize); | |
1630 | for (i = 0; i < relcount; i++) | |
1631 | { | |
1632 | sym = *relpp [i]->sym_ptr_ptr; | |
1633 | ||
1634 | /* FIXME: Should we warn about deleted relocs ? */ | |
1635 | if (is_specified_symbol (bfd_asymbol_name (sym), | |
1636 | keep_specific_list) | |
1637 | || bfd_get_output_section (sym) != NULL) | |
1638 | temp_relpp [temp_relcount++] = relpp [i]; | |
1639 | } | |
1640 | ||
1641 | relcount = temp_relcount; | |
1642 | free (relpp); | |
1643 | relpp = temp_relpp; | |
1644 | } | |
1645 | ||
252b5132 RH |
1646 | bfd_set_reloc (obfd, osection, |
1647 | (relcount == 0 ? (arelent **) NULL : relpp), relcount); | |
1648 | } | |
57938635 | 1649 | |
252b5132 RH |
1650 | isection->_cooked_size = isection->_raw_size; |
1651 | isection->reloc_done = true; | |
1652 | ||
1653 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) | |
1654 | { | |
1655 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1656 | ||
1657 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, | |
1658 | size)) | |
1659 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1660 | ||
57938635 | 1661 | if (copy_byte >= 0) |
252b5132 RH |
1662 | filter_bytes (memhunk, &size); |
1663 | ||
1664 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1665 | size)) | |
1666 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1667 | ||
1668 | free (memhunk); | |
1669 | } | |
1670 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) | |
1671 | { | |
1672 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1673 | ||
1674 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1675 | flag--they can just remove the section entirely and add it | |
1676 | back again. However, we do permit them to turn on the | |
1677 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1678 | contents should be zeroed out. */ | |
1679 | ||
1680 | memset (memhunk, 0, size); | |
1681 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1682 | size)) | |
1683 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1684 | free (memhunk); | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | /* Get all the sections. This is used when --gap-fill or --pad-to is | |
1689 | used. */ | |
1690 | ||
1691 | static void | |
1692 | get_sections (obfd, osection, secppparg) | |
b4c96d0d | 1693 | bfd *obfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1694 | asection *osection; |
1695 | PTR secppparg; | |
1696 | { | |
1697 | asection ***secppp = (asection ***) secppparg; | |
1698 | ||
1699 | **secppp = osection; | |
1700 | ++(*secppp); | |
1701 | } | |
1702 | ||
1703 | /* Sort sections by VMA. This is called via qsort, and is used when | |
1704 | --gap-fill or --pad-to is used. We force non loadable or empty | |
1705 | sections to the front, where they are easier to ignore. */ | |
1706 | ||
1707 | static int | |
1708 | compare_section_lma (arg1, arg2) | |
1709 | const PTR arg1; | |
1710 | const PTR arg2; | |
1711 | { | |
1712 | const asection **sec1 = (const asection **) arg1; | |
1713 | const asection **sec2 = (const asection **) arg2; | |
1714 | flagword flags1, flags2; | |
1715 | ||
1716 | /* Sort non loadable sections to the front. */ | |
1717 | flags1 = (*sec1)->flags; | |
1718 | flags2 = (*sec2)->flags; | |
1719 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1720 | || (flags1 & SEC_LOAD) == 0) | |
1721 | { | |
1722 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1723 | && (flags2 & SEC_LOAD) != 0) | |
1724 | return -1; | |
1725 | } | |
1726 | else | |
1727 | { | |
1728 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1729 | || (flags2 & SEC_LOAD) == 0) | |
1730 | return 1; | |
1731 | } | |
1732 | ||
1733 | /* Sort sections by LMA. */ | |
1734 | if ((*sec1)->lma > (*sec2)->lma) | |
1735 | return 1; | |
1736 | else if ((*sec1)->lma < (*sec2)->lma) | |
1737 | return -1; | |
1738 | ||
1739 | /* Sort sections with the same LMA by size. */ | |
1740 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) | |
1741 | return 1; | |
1742 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1743 | return -1; | |
1744 | ||
1745 | return 0; | |
1746 | } | |
1747 | ||
1748 | /* Mark all the symbols which will be used in output relocations with | |
1749 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1750 | ||
1751 | Ignore relocations which will not appear in the output file. */ | |
1752 | ||
1753 | static void | |
1754 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) | |
1755 | bfd *ibfd; | |
1756 | sec_ptr isection; | |
1757 | PTR symbolsarg; | |
1758 | { | |
1759 | asymbol **symbols = (asymbol **) symbolsarg; | |
1760 | long relsize; | |
1761 | arelent **relpp; | |
1762 | long relcount, i; | |
1763 | ||
1764 | /* Ignore an input section with no corresponding output section. */ | |
1765 | if (isection->output_section == NULL) | |
1766 | return; | |
1767 | ||
1768 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1769 | if (relsize < 0) | |
1770 | bfd_fatal (bfd_get_filename (ibfd)); | |
1771 | ||
1772 | if (relsize == 0) | |
1773 | return; | |
1774 | ||
1775 | relpp = (arelent **) xmalloc (relsize); | |
1776 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); | |
1777 | if (relcount < 0) | |
1778 | bfd_fatal (bfd_get_filename (ibfd)); | |
1779 | ||
e0c60db2 | 1780 | /* Examine each symbol used in a relocation. */ |
252b5132 RH |
1781 | for (i = 0; i < relcount; i++) |
1782 | { | |
e0c60db2 NC |
1783 | asymbol * sym = * relpp[i]->sym_ptr_ptr; |
1784 | ||
1785 | /* If the symbol's output section does not exist (because it | |
1786 | has been removed with -R) then do not keep the symbol. */ | |
1787 | if (bfd_get_output_section (sym) == NULL) | |
1788 | continue; | |
1789 | ||
1790 | /* If the symbols is not one of the special bfd | |
1791 | section symbols, then mark it with BSF_KEEP. */ | |
1792 | if (sym != bfd_com_section_ptr->symbol | |
1793 | && sym != bfd_abs_section_ptr->symbol | |
1794 | && sym != bfd_und_section_ptr->symbol) | |
1795 | sym->flags |= BSF_KEEP; | |
252b5132 RH |
1796 | } |
1797 | ||
1798 | if (relpp != NULL) | |
1799 | free (relpp); | |
1800 | } | |
1801 | ||
1802 | /* Write out debugging information. */ | |
1803 | ||
1804 | static boolean | |
1805 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1806 | bfd *obfd; | |
1807 | PTR dhandle; | |
b4c96d0d ILT |
1808 | long *symcountp ATTRIBUTE_UNUSED; |
1809 | asymbol ***symppp ATTRIBUTE_UNUSED; | |
252b5132 RH |
1810 | { |
1811 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1812 | return write_ieee_debugging_info (obfd, dhandle); | |
1813 | ||
1814 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour | |
1815 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1816 | { | |
1817 | bfd_byte *syms, *strings; | |
1818 | bfd_size_type symsize, stringsize; | |
1819 | asection *stabsec, *stabstrsec; | |
1820 | ||
1821 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1822 | &symsize, &strings, | |
1823 | &stringsize)) | |
1824 | return false; | |
1825 | ||
1826 | stabsec = bfd_make_section (obfd, ".stab"); | |
1827 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1828 | if (stabsec == NULL | |
1829 | || stabstrsec == NULL | |
1830 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1831 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1832 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1833 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1834 | || ! bfd_set_section_flags (obfd, stabsec, | |
1835 | (SEC_HAS_CONTENTS | |
1836 | | SEC_READONLY | |
1837 | | SEC_DEBUGGING)) | |
1838 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1839 | (SEC_HAS_CONTENTS | |
1840 | | SEC_READONLY | |
1841 | | SEC_DEBUGGING))) | |
1842 | { | |
1843 | non_fatal (_("%s: can't create debugging section: %s"), | |
1844 | bfd_get_filename (obfd), | |
1845 | bfd_errmsg (bfd_get_error ())); | |
1846 | return false; | |
1847 | } | |
1848 | ||
1849 | /* We can get away with setting the section contents now because | |
1850 | the next thing the caller is going to do is copy over the | |
1851 | real sections. We may someday have to split the contents | |
1852 | setting out of this function. */ | |
1853 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1854 | symsize) | |
1855 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1856 | (file_ptr) 0, stringsize)) | |
1857 | { | |
1858 | non_fatal (_("%s: can't set debugging section contents: %s"), | |
1859 | bfd_get_filename (obfd), | |
1860 | bfd_errmsg (bfd_get_error ())); | |
1861 | return false; | |
1862 | } | |
1863 | ||
1864 | return true; | |
1865 | } | |
1866 | ||
1867 | non_fatal (_("%s: don't know how to write debugging information for %s"), | |
1868 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
1869 | return false; | |
1870 | } | |
1871 | ||
1872 | static int | |
1873 | strip_main (argc, argv) | |
1874 | int argc; | |
1875 | char *argv[]; | |
1876 | { | |
1877 | char *input_target = NULL, *output_target = NULL; | |
1878 | boolean show_version = false; | |
1879 | int c, i; | |
1880 | struct section_list *p; | |
1881 | char *output_file = NULL; | |
1882 | ||
6d900bf6 | 1883 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXVv", |
252b5132 RH |
1884 | strip_options, (int *) 0)) != EOF) |
1885 | { | |
1886 | switch (c) | |
1887 | { | |
1888 | case 'I': | |
1889 | input_target = optarg; | |
1890 | break; | |
1891 | case 'O': | |
1892 | output_target = optarg; | |
1893 | break; | |
1894 | case 'F': | |
1895 | input_target = output_target = optarg; | |
1896 | break; | |
1897 | case 'R': | |
1898 | p = find_section_list (optarg, true); | |
1899 | p->remove = true; | |
1900 | sections_removed = true; | |
1901 | break; | |
1902 | case 's': | |
1903 | strip_symbols = STRIP_ALL; | |
1904 | break; | |
1905 | case 'S': | |
1906 | case 'g': | |
db4f6831 | 1907 | case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */ |
252b5132 RH |
1908 | strip_symbols = STRIP_DEBUG; |
1909 | break; | |
1910 | case OPTION_STRIP_UNNEEDED: | |
1911 | strip_symbols = STRIP_UNNEEDED; | |
1912 | break; | |
1913 | case 'K': | |
1914 | add_specific_symbol (optarg, &keep_specific_list); | |
1915 | break; | |
1916 | case 'N': | |
1917 | add_specific_symbol (optarg, &strip_specific_list); | |
1918 | break; | |
1919 | case 'o': | |
1920 | output_file = optarg; | |
1921 | break; | |
1922 | case 'p': | |
1923 | preserve_dates = true; | |
1924 | break; | |
1925 | case 'x': | |
1926 | discard_locals = LOCALS_ALL; | |
1927 | break; | |
1928 | case 'X': | |
1929 | discard_locals = LOCALS_START_L; | |
1930 | break; | |
1931 | case 'v': | |
1932 | verbose = true; | |
1933 | break; | |
1934 | case 'V': | |
1935 | show_version = true; | |
1936 | break; | |
1937 | case 0: | |
1938 | break; /* we've been given a long option */ | |
1939 | case 'h': | |
1940 | strip_usage (stdout, 0); | |
1941 | default: | |
1942 | strip_usage (stderr, 1); | |
1943 | } | |
1944 | } | |
1945 | ||
1946 | if (show_version) | |
1947 | print_version ("strip"); | |
1948 | ||
1949 | /* Default is to strip all symbols. */ | |
1950 | if (strip_symbols == STRIP_UNDEF | |
1951 | && discard_locals == LOCALS_UNDEF | |
1952 | && strip_specific_list == NULL) | |
1953 | strip_symbols = STRIP_ALL; | |
1954 | ||
1955 | if (output_target == (char *) NULL) | |
1956 | output_target = input_target; | |
1957 | ||
1958 | i = optind; | |
1959 | if (i == argc | |
1960 | || (output_file != NULL && (i + 1) < argc)) | |
1961 | strip_usage (stderr, 1); | |
1962 | ||
1963 | for (; i < argc; i++) | |
1964 | { | |
1965 | int hold_status = status; | |
1966 | struct stat statbuf; | |
1967 | char *tmpname; | |
1968 | ||
1969 | if (preserve_dates) | |
1970 | { | |
1971 | if (stat (argv[i], &statbuf) < 0) | |
1972 | { | |
1973 | non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno)); | |
1974 | continue; | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | if (output_file != NULL) | |
1979 | tmpname = output_file; | |
1980 | else | |
1981 | tmpname = make_tempname (argv[i]); | |
1982 | status = 0; | |
1983 | ||
1984 | copy_file (argv[i], tmpname, input_target, output_target); | |
1985 | if (status == 0) | |
1986 | { | |
1987 | if (preserve_dates) | |
1988 | set_times (tmpname, &statbuf); | |
1989 | if (output_file == NULL) | |
1990 | smart_rename (tmpname, argv[i], preserve_dates); | |
1991 | status = hold_status; | |
1992 | } | |
1993 | else | |
1994 | unlink (tmpname); | |
1995 | if (output_file == NULL) | |
1996 | free (tmpname); | |
1997 | } | |
1998 | ||
1999 | return 0; | |
2000 | } | |
2001 | ||
2002 | static int | |
2003 | copy_main (argc, argv) | |
2004 | int argc; | |
2005 | char *argv[]; | |
2006 | { | |
43a0748c | 2007 | char * binary_architecture = NULL; |
252b5132 RH |
2008 | char *input_filename = NULL, *output_filename = NULL; |
2009 | char *input_target = NULL, *output_target = NULL; | |
2010 | boolean show_version = false; | |
2011 | boolean change_warn = true; | |
2012 | int c; | |
2013 | struct section_list *p; | |
2014 | struct stat statbuf; | |
2015 | ||
6d900bf6 | 2016 | while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXVvW:", |
252b5132 RH |
2017 | copy_options, (int *) 0)) != EOF) |
2018 | { | |
2019 | switch (c) | |
2020 | { | |
2021 | case 'b': | |
2022 | copy_byte = atoi (optarg); | |
2023 | if (copy_byte < 0) | |
2024 | fatal (_("byte number must be non-negative")); | |
2025 | break; | |
57938635 | 2026 | |
43a0748c NC |
2027 | case 'B': |
2028 | binary_architecture = optarg; | |
2029 | break; | |
2030 | ||
252b5132 RH |
2031 | case 'i': |
2032 | interleave = atoi (optarg); | |
2033 | if (interleave < 1) | |
2034 | fatal (_("interleave must be positive")); | |
2035 | break; | |
57938635 | 2036 | |
252b5132 RH |
2037 | case 'I': |
2038 | case 's': /* "source" - 'I' is preferred */ | |
2039 | input_target = optarg; | |
2040 | break; | |
57938635 | 2041 | |
252b5132 RH |
2042 | case 'O': |
2043 | case 'd': /* "destination" - 'O' is preferred */ | |
2044 | output_target = optarg; | |
2045 | break; | |
57938635 | 2046 | |
252b5132 RH |
2047 | case 'F': |
2048 | input_target = output_target = optarg; | |
2049 | break; | |
57938635 | 2050 | |
f91ea849 ILT |
2051 | case 'j': |
2052 | p = find_section_list (optarg, true); | |
2053 | if (p->remove) | |
2054 | fatal (_("%s both copied and removed"), optarg); | |
2055 | p->copy = true; | |
2056 | sections_copied = true; | |
2057 | break; | |
57938635 | 2058 | |
252b5132 RH |
2059 | case 'R': |
2060 | p = find_section_list (optarg, true); | |
f91ea849 ILT |
2061 | if (p->copy) |
2062 | fatal (_("%s both copied and removed"), optarg); | |
252b5132 RH |
2063 | p->remove = true; |
2064 | sections_removed = true; | |
2065 | break; | |
57938635 | 2066 | |
252b5132 RH |
2067 | case 'S': |
2068 | strip_symbols = STRIP_ALL; | |
2069 | break; | |
57938635 | 2070 | |
252b5132 RH |
2071 | case 'g': |
2072 | strip_symbols = STRIP_DEBUG; | |
2073 | break; | |
57938635 | 2074 | |
252b5132 RH |
2075 | case OPTION_STRIP_UNNEEDED: |
2076 | strip_symbols = STRIP_UNNEEDED; | |
2077 | break; | |
57938635 | 2078 | |
252b5132 RH |
2079 | case 'K': |
2080 | add_specific_symbol (optarg, &keep_specific_list); | |
2081 | break; | |
57938635 | 2082 | |
252b5132 RH |
2083 | case 'N': |
2084 | add_specific_symbol (optarg, &strip_specific_list); | |
2085 | break; | |
57938635 | 2086 | |
252b5132 RH |
2087 | case 'L': |
2088 | add_specific_symbol (optarg, &localize_specific_list); | |
2089 | break; | |
57938635 | 2090 | |
16b2b71c NC |
2091 | case 'G': |
2092 | add_specific_symbol (optarg, &keepglobal_specific_list); | |
2093 | break; | |
2094 | ||
252b5132 RH |
2095 | case 'W': |
2096 | add_specific_symbol (optarg, &weaken_specific_list); | |
2097 | break; | |
57938635 | 2098 | |
252b5132 RH |
2099 | case 'p': |
2100 | preserve_dates = true; | |
2101 | break; | |
57938635 | 2102 | |
252b5132 RH |
2103 | case 'x': |
2104 | discard_locals = LOCALS_ALL; | |
2105 | break; | |
57938635 | 2106 | |
252b5132 RH |
2107 | case 'X': |
2108 | discard_locals = LOCALS_START_L; | |
2109 | break; | |
57938635 | 2110 | |
252b5132 RH |
2111 | case 'v': |
2112 | verbose = true; | |
2113 | break; | |
57938635 | 2114 | |
252b5132 RH |
2115 | case 'V': |
2116 | show_version = true; | |
2117 | break; | |
57938635 | 2118 | |
252b5132 RH |
2119 | case OPTION_WEAKEN: |
2120 | weaken = true; | |
2121 | break; | |
57938635 | 2122 | |
252b5132 RH |
2123 | case OPTION_ADD_SECTION: |
2124 | { | |
2125 | const char *s; | |
2126 | struct stat st; | |
2127 | struct section_add *pa; | |
2128 | int len; | |
2129 | char *name; | |
2130 | FILE *f; | |
2131 | ||
2132 | s = strchr (optarg, '='); | |
57938635 | 2133 | |
252b5132 | 2134 | if (s == NULL) |
57938635 | 2135 | fatal (_("bad format for %s"), "--add-section"); |
252b5132 RH |
2136 | |
2137 | if (stat (s + 1, & st) < 0) | |
2138 | fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno)); | |
2139 | ||
2140 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
2141 | ||
2142 | len = s - optarg; | |
2143 | name = (char *) xmalloc (len + 1); | |
2144 | strncpy (name, optarg, len); | |
2145 | name[len] = '\0'; | |
2146 | pa->name = name; | |
2147 | ||
2148 | pa->filename = s + 1; | |
2149 | ||
2150 | pa->size = st.st_size; | |
2151 | ||
2152 | pa->contents = (bfd_byte *) xmalloc (pa->size); | |
2153 | f = fopen (pa->filename, FOPEN_RB); | |
57938635 | 2154 | |
252b5132 RH |
2155 | if (f == NULL) |
2156 | fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno)); | |
57938635 | 2157 | |
252b5132 RH |
2158 | if (fread (pa->contents, 1, pa->size, f) == 0 |
2159 | || ferror (f)) | |
2160 | fatal (_("%s: fread failed"), pa->filename); | |
2161 | ||
2162 | fclose (f); | |
2163 | ||
2164 | pa->next = add_sections; | |
2165 | add_sections = pa; | |
2166 | } | |
2167 | break; | |
57938635 | 2168 | |
252b5132 RH |
2169 | case OPTION_CHANGE_START: |
2170 | change_start = parse_vma (optarg, "--change-start"); | |
2171 | break; | |
57938635 | 2172 | |
252b5132 RH |
2173 | case OPTION_CHANGE_SECTION_ADDRESS: |
2174 | case OPTION_CHANGE_SECTION_LMA: | |
2175 | case OPTION_CHANGE_SECTION_VMA: | |
2176 | { | |
2177 | const char *s; | |
2178 | int len; | |
2179 | char *name; | |
b4c96d0d | 2180 | char *option = NULL; |
252b5132 | 2181 | bfd_vma val; |
b4c96d0d | 2182 | enum change_action what = CHANGE_IGNORE; |
57938635 | 2183 | |
252b5132 RH |
2184 | switch (c) |
2185 | { | |
b4c96d0d ILT |
2186 | case OPTION_CHANGE_SECTION_ADDRESS: |
2187 | option = "--change-section-address"; | |
2188 | break; | |
2189 | case OPTION_CHANGE_SECTION_LMA: | |
2190 | option = "--change-section-lma"; | |
2191 | break; | |
2192 | case OPTION_CHANGE_SECTION_VMA: | |
2193 | option = "--change-section-vma"; | |
2194 | break; | |
252b5132 | 2195 | } |
57938635 | 2196 | |
252b5132 RH |
2197 | s = strchr (optarg, '='); |
2198 | if (s == NULL) | |
2199 | { | |
2200 | s = strchr (optarg, '+'); | |
2201 | if (s == NULL) | |
2202 | { | |
2203 | s = strchr (optarg, '-'); | |
2204 | if (s == NULL) | |
2205 | fatal (_("bad format for %s"), option); | |
2206 | } | |
2207 | } | |
2208 | ||
2209 | len = s - optarg; | |
2210 | name = (char *) xmalloc (len + 1); | |
2211 | strncpy (name, optarg, len); | |
2212 | name[len] = '\0'; | |
2213 | ||
2214 | p = find_section_list (name, true); | |
2215 | ||
2216 | val = parse_vma (s + 1, option); | |
2217 | ||
2218 | switch (*s) | |
2219 | { | |
2220 | case '=': what = CHANGE_SET; break; | |
2221 | case '-': val = - val; /* Drop through. */ | |
2222 | case '+': what = CHANGE_MODIFY; break; | |
2223 | } | |
57938635 | 2224 | |
252b5132 RH |
2225 | switch (c) |
2226 | { | |
2227 | case OPTION_CHANGE_SECTION_ADDRESS: | |
2228 | p->change_vma = what; | |
2229 | p->vma_val = val; | |
2230 | /* Drop through. */ | |
57938635 | 2231 | |
252b5132 RH |
2232 | case OPTION_CHANGE_SECTION_LMA: |
2233 | p->change_lma = what; | |
2234 | p->lma_val = val; | |
2235 | break; | |
57938635 | 2236 | |
252b5132 RH |
2237 | case OPTION_CHANGE_SECTION_VMA: |
2238 | p->change_vma = what; | |
2239 | p->vma_val = val; | |
2240 | break; | |
2241 | } | |
2242 | } | |
2243 | break; | |
57938635 | 2244 | |
252b5132 RH |
2245 | case OPTION_CHANGE_ADDRESSES: |
2246 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
2247 | change_start = change_section_address; | |
2248 | break; | |
57938635 | 2249 | |
252b5132 RH |
2250 | case OPTION_CHANGE_WARNINGS: |
2251 | change_warn = true; | |
2252 | break; | |
57938635 | 2253 | |
252b5132 RH |
2254 | case OPTION_CHANGE_LEADING_CHAR: |
2255 | change_leading_char = true; | |
2256 | break; | |
57938635 | 2257 | |
252b5132 RH |
2258 | case OPTION_DEBUGGING: |
2259 | convert_debugging = true; | |
2260 | break; | |
57938635 | 2261 | |
252b5132 RH |
2262 | case OPTION_GAP_FILL: |
2263 | { | |
2264 | bfd_vma gap_fill_vma; | |
2265 | ||
2266 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2267 | gap_fill = (bfd_byte) gap_fill_vma; | |
2268 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2269 | { | |
2270 | char buff[20]; | |
57938635 | 2271 | |
252b5132 | 2272 | sprintf_vma (buff, gap_fill_vma); |
57938635 | 2273 | |
252b5132 RH |
2274 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), |
2275 | buff, gap_fill); | |
2276 | } | |
2277 | gap_fill_set = true; | |
2278 | } | |
2279 | break; | |
57938635 | 2280 | |
252b5132 RH |
2281 | case OPTION_NO_CHANGE_WARNINGS: |
2282 | change_warn = false; | |
2283 | break; | |
57938635 | 2284 | |
252b5132 RH |
2285 | case OPTION_PAD_TO: |
2286 | pad_to = parse_vma (optarg, "--pad-to"); | |
2287 | pad_to_set = true; | |
2288 | break; | |
57938635 | 2289 | |
252b5132 RH |
2290 | case OPTION_REMOVE_LEADING_CHAR: |
2291 | remove_leading_char = true; | |
2292 | break; | |
57938635 AM |
2293 | |
2294 | case OPTION_REDEFINE_SYM: | |
2295 | { | |
2296 | /* Push this redefinition onto redefine_symbol_list. */ | |
2297 | ||
2298 | int len; | |
2299 | const char *s; | |
2300 | const char *nextarg; | |
2301 | char *source, *target; | |
2302 | ||
2303 | s = strchr (optarg, '='); | |
2304 | if (s == NULL) | |
2305 | { | |
2306 | fatal (_("bad format for %s"), "--redefine-sym"); | |
2307 | } | |
2308 | ||
2309 | len = s - optarg; | |
2310 | source = (char *) xmalloc (len + 1); | |
2311 | strncpy (source, optarg, len); | |
2312 | source[len] = '\0'; | |
2313 | ||
2314 | nextarg = s + 1; | |
2315 | len = strlen (nextarg); | |
2316 | target = (char *) xmalloc (len + 1); | |
2317 | strcpy (target, nextarg); | |
2318 | ||
2319 | redefine_list_append (source, target); | |
2320 | ||
2321 | free (source); | |
2322 | free (target); | |
2323 | } | |
2324 | break; | |
2325 | ||
252b5132 RH |
2326 | case OPTION_SET_SECTION_FLAGS: |
2327 | { | |
2328 | const char *s; | |
2329 | int len; | |
2330 | char *name; | |
2331 | ||
2332 | s = strchr (optarg, '='); | |
2333 | if (s == NULL) | |
57938635 | 2334 | fatal (_("bad format for %s"), "--set-section-flags"); |
252b5132 RH |
2335 | |
2336 | len = s - optarg; | |
2337 | name = (char *) xmalloc (len + 1); | |
2338 | strncpy (name, optarg, len); | |
2339 | name[len] = '\0'; | |
2340 | ||
2341 | p = find_section_list (name, true); | |
2342 | ||
2343 | p->set_flags = true; | |
2344 | p->flags = parse_flags (s + 1); | |
2345 | } | |
2346 | break; | |
57938635 | 2347 | |
252b5132 RH |
2348 | case OPTION_SET_START: |
2349 | set_start = parse_vma (optarg, "--set-start"); | |
2350 | set_start_set = true; | |
2351 | break; | |
57938635 | 2352 | |
420496c1 NC |
2353 | case OPTION_SREC_LEN: |
2354 | Chunk = parse_vma (optarg, "--srec-len"); | |
2355 | break; | |
2356 | ||
2357 | case OPTION_SREC_FORCES3: | |
2358 | S3Forced = true; | |
2359 | break; | |
2360 | ||
16b2b71c NC |
2361 | case OPTION_STRIP_SYMBOLS: |
2362 | add_specific_symbols (optarg, &strip_specific_list); | |
2363 | break; | |
2364 | ||
2365 | case OPTION_KEEP_SYMBOLS: | |
2366 | add_specific_symbols (optarg, &keep_specific_list); | |
2367 | break; | |
2368 | ||
2369 | case OPTION_LOCALIZE_SYMBOLS: | |
2370 | add_specific_symbols (optarg, &localize_specific_list); | |
2371 | break; | |
2372 | ||
2373 | case OPTION_KEEPGLOBAL_SYMBOLS: | |
2374 | add_specific_symbols (optarg, &keepglobal_specific_list); | |
2375 | break; | |
2376 | ||
2377 | case OPTION_WEAKEN_SYMBOLS: | |
2378 | add_specific_symbols (optarg, &weaken_specific_list); | |
2379 | break; | |
2380 | ||
252b5132 RH |
2381 | case 0: |
2382 | break; /* we've been given a long option */ | |
57938635 | 2383 | |
252b5132 RH |
2384 | case 'h': |
2385 | copy_usage (stdout, 0); | |
57938635 | 2386 | |
252b5132 RH |
2387 | default: |
2388 | copy_usage (stderr, 1); | |
2389 | } | |
2390 | } | |
2391 | ||
2392 | if (show_version) | |
2393 | print_version ("objcopy"); | |
2394 | ||
2395 | if (copy_byte >= interleave) | |
2396 | fatal (_("byte number must be less than interleave")); | |
2397 | ||
2398 | if (optind == argc || optind + 2 < argc) | |
2399 | copy_usage (stderr, 1); | |
2400 | ||
2401 | input_filename = argv[optind]; | |
2402 | if (optind + 1 < argc) | |
2403 | output_filename = argv[optind + 1]; | |
2404 | ||
2405 | /* Default is to strip no symbols. */ | |
2406 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) | |
2407 | strip_symbols = STRIP_NONE; | |
2408 | ||
2409 | if (output_target == (char *) NULL) | |
2410 | output_target = input_target; | |
2411 | ||
43a0748c | 2412 | if (binary_architecture != (char *) NULL) |
252b5132 | 2413 | { |
43a0748c NC |
2414 | if (input_target && strcmp (input_target, "binary") == 0) |
2415 | { | |
2416 | const bfd_arch_info_type * temp_arch_info; | |
2417 | ||
2418 | temp_arch_info = bfd_scan_arch (binary_architecture); | |
2419 | ||
2420 | if (temp_arch_info != NULL) | |
2421 | bfd_external_binary_architecture = temp_arch_info->arch; | |
2422 | else | |
2423 | fatal (_("architecture %s unknown"), binary_architecture); | |
2424 | } | |
2425 | else | |
2426 | { | |
2427 | non_fatal (_("Warning: input target 'binary' required for binary architecture parameter.")); | |
2428 | non_fatal (_(" Argument %s ignored"), binary_architecture); | |
2429 | } | |
252b5132 RH |
2430 | } |
2431 | ||
43a0748c NC |
2432 | if (preserve_dates) |
2433 | if (stat (input_filename, & statbuf) < 0) | |
2434 | fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno)); | |
2435 | ||
252b5132 RH |
2436 | /* If there is no destination file then create a temp and rename |
2437 | the result into the input. */ | |
2438 | ||
2439 | if (output_filename == (char *) NULL) | |
2440 | { | |
2441 | char *tmpname = make_tempname (input_filename); | |
2442 | ||
2443 | copy_file (input_filename, tmpname, input_target, output_target); | |
2444 | if (status == 0) | |
57938635 | 2445 | { |
252b5132 RH |
2446 | if (preserve_dates) |
2447 | set_times (tmpname, &statbuf); | |
2448 | smart_rename (tmpname, input_filename, preserve_dates); | |
2449 | } | |
2450 | else | |
2451 | unlink (tmpname); | |
2452 | } | |
2453 | else | |
2454 | { | |
2455 | copy_file (input_filename, output_filename, input_target, output_target); | |
2456 | if (status == 0 && preserve_dates) | |
2457 | set_times (output_filename, &statbuf); | |
2458 | } | |
2459 | ||
2460 | if (change_warn) | |
2461 | { | |
2462 | for (p = change_sections; p != NULL; p = p->next) | |
2463 | { | |
2464 | if (! p->used) | |
2465 | { | |
2466 | if (p->change_vma != CHANGE_IGNORE) | |
2467 | { | |
2468 | char buff [20]; | |
2469 | ||
2470 | sprintf_vma (buff, p->vma_val); | |
57938635 | 2471 | |
252b5132 | 2472 | /* xgettext:c-format */ |
57938635 AM |
2473 | non_fatal (_("%s %s%c0x%s never used"), |
2474 | "--change-section-vma", | |
252b5132 RH |
2475 | p->name, |
2476 | p->change_vma == CHANGE_SET ? '=' : '+', | |
2477 | buff); | |
2478 | } | |
57938635 | 2479 | |
252b5132 RH |
2480 | if (p->change_lma != CHANGE_IGNORE) |
2481 | { | |
2482 | char buff [20]; | |
2483 | ||
2484 | sprintf_vma (buff, p->lma_val); | |
57938635 | 2485 | |
252b5132 | 2486 | /* xgettext:c-format */ |
57938635 AM |
2487 | non_fatal (_("%s %s%c0x%s never used"), |
2488 | "--change-section-lma", | |
252b5132 RH |
2489 | p->name, |
2490 | p->change_lma == CHANGE_SET ? '=' : '+', | |
2491 | buff); | |
2492 | } | |
2493 | } | |
2494 | } | |
2495 | } | |
2496 | ||
2497 | return 0; | |
2498 | } | |
2499 | ||
2500 | int | |
2501 | main (argc, argv) | |
2502 | int argc; | |
2503 | char *argv[]; | |
2504 | { | |
2505 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
2506 | setlocale (LC_MESSAGES, ""); | |
2507 | #endif | |
2508 | bindtextdomain (PACKAGE, LOCALEDIR); | |
2509 | textdomain (PACKAGE); | |
2510 | ||
2511 | program_name = argv[0]; | |
2512 | xmalloc_set_program_name (program_name); | |
2513 | ||
2514 | START_PROGRESS (program_name, 0); | |
2515 | ||
2516 | strip_symbols = STRIP_UNDEF; | |
2517 | discard_locals = LOCALS_UNDEF; | |
2518 | ||
2519 | bfd_init (); | |
2520 | set_default_bfd_target (); | |
2521 | ||
2522 | if (is_strip < 0) | |
2523 | { | |
2524 | int i = strlen (program_name); | |
5af11cab AM |
2525 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
2526 | /* Drop the .exe suffix, if any. */ | |
2527 | if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0) | |
2528 | { | |
2529 | i -= 4; | |
2530 | program_name[i] = '\0'; | |
2531 | } | |
2532 | #endif | |
2533 | is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0); | |
252b5132 RH |
2534 | } |
2535 | ||
2536 | if (is_strip) | |
2537 | strip_main (argc, argv); | |
2538 | else | |
2539 | copy_main (argc, argv); | |
2540 | ||
2541 | END_PROGRESS (program_name); | |
2542 | ||
2543 | return status; | |
2544 | } |