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