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 | ||
594ef5db NC |
51 | typedef struct section_rename |
52 | { | |
53 | const char * old_name; | |
54 | const char * new_name; | |
55 | flagword flags; | |
56 | struct section_rename * next; | |
57 | } | |
58 | section_rename; | |
59 | ||
60 | /* List of sections to be renamed. */ | |
61 | static section_rename * section_rename_list; | |
62 | ||
252b5132 RH |
63 | static void copy_usage PARAMS ((FILE *, int)); |
64 | static void strip_usage PARAMS ((FILE *, int)); | |
65 | static flagword parse_flags PARAMS ((const char *)); | |
66 | static struct section_list *find_section_list PARAMS ((const char *, boolean)); | |
67 | static void setup_section PARAMS ((bfd *, asection *, PTR)); | |
68 | static void copy_section PARAMS ((bfd *, asection *, PTR)); | |
69 | static void get_sections PARAMS ((bfd *, asection *, PTR)); | |
70 | static int compare_section_lma PARAMS ((const PTR, const PTR)); | |
71 | static void add_specific_symbol PARAMS ((const char *, struct symlist **)); | |
16b2b71c | 72 | static void add_specific_symbols PARAMS ((const char *, struct symlist **)); |
252b5132 RH |
73 | static boolean is_specified_symbol PARAMS ((const char *, struct symlist *)); |
74 | static boolean is_strip_section PARAMS ((bfd *, asection *)); | |
75 | static unsigned int filter_symbols | |
76 | PARAMS ((bfd *, bfd *, asymbol **, asymbol **, long)); | |
77 | static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR)); | |
78 | static void filter_bytes PARAMS ((char *, bfd_size_type *)); | |
79 | static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***)); | |
80 | static void copy_object PARAMS ((bfd *, bfd *)); | |
81 | static void copy_archive PARAMS ((bfd *, bfd *, const char *)); | |
82 | static void copy_file | |
83 | PARAMS ((const char *, const char *, const char *, const char *)); | |
84 | static int strip_main PARAMS ((int, char **)); | |
85 | static int copy_main PARAMS ((int, char **)); | |
57938635 AM |
86 | static const char *lookup_sym_redefinition PARAMS((const char *)); |
87 | static void redefine_list_append PARAMS ((const char *, const char *)); | |
594ef5db NC |
88 | static const char * find_section_rename PARAMS ((bfd *, sec_ptr, flagword *)); |
89 | static void add_section_rename PARAMS ((const char *, const char *, flagword)); | |
252b5132 RH |
90 | |
91 | #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;} | |
92 | ||
93 | static asymbol **isympp = NULL; /* Input symbols */ | |
94 | static asymbol **osympp = NULL; /* Output symbols that survive stripping */ | |
95 | ||
96 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
97 | static int copy_byte = -1; | |
98 | static int interleave = 4; | |
99 | ||
100 | static boolean verbose; /* Print file and target names. */ | |
101 | static boolean preserve_dates; /* Preserve input file timestamp. */ | |
102 | static int status = 0; /* Exit status. */ | |
103 | ||
104 | enum strip_action | |
105 | { | |
106 | STRIP_UNDEF, | |
107 | STRIP_NONE, /* don't strip */ | |
108 | STRIP_DEBUG, /* strip all debugger symbols */ | |
109 | STRIP_UNNEEDED, /* strip unnecessary symbols */ | |
110 | STRIP_ALL /* strip all symbols */ | |
111 | }; | |
112 | ||
113 | /* Which symbols to remove. */ | |
114 | static enum strip_action strip_symbols; | |
115 | ||
116 | enum locals_action | |
117 | { | |
118 | LOCALS_UNDEF, | |
119 | LOCALS_START_L, /* discard locals starting with L */ | |
120 | LOCALS_ALL /* discard all locals */ | |
121 | }; | |
122 | ||
123 | /* Which local symbols to remove. Overrides STRIP_ALL. */ | |
124 | static enum locals_action discard_locals; | |
125 | ||
126 | /* What kind of change to perform. */ | |
127 | enum change_action | |
128 | { | |
129 | CHANGE_IGNORE, | |
130 | CHANGE_MODIFY, | |
131 | CHANGE_SET | |
132 | }; | |
133 | ||
134 | /* Structure used to hold lists of sections and actions to take. */ | |
135 | struct section_list | |
136 | { | |
137 | struct section_list * next; /* Next section to change. */ | |
138 | const char * name; /* Section name. */ | |
139 | boolean used; /* Whether this entry was used. */ | |
140 | boolean remove; /* Whether to remove this section. */ | |
f91ea849 | 141 | boolean copy; /* Whether to copy this section. */ |
252b5132 RH |
142 | enum change_action change_vma;/* Whether to change or set VMA. */ |
143 | bfd_vma vma_val; /* Amount to change by or set to. */ | |
144 | enum change_action change_lma;/* Whether to change or set LMA. */ | |
145 | bfd_vma lma_val; /* Amount to change by or set to. */ | |
146 | boolean set_flags; /* Whether to set the section flags. */ | |
147 | flagword flags; /* What to set the section flags to. */ | |
148 | }; | |
149 | ||
150 | static struct section_list *change_sections; | |
594ef5db NC |
151 | |
152 | /* True if some sections are to be removed. */ | |
252b5132 | 153 | static boolean sections_removed; |
594ef5db NC |
154 | |
155 | /* True if only some sections are to be copied. */ | |
f91ea849 | 156 | static boolean sections_copied; |
252b5132 RH |
157 | |
158 | /* Changes to the start address. */ | |
159 | static bfd_vma change_start = 0; | |
160 | static boolean set_start_set = false; | |
161 | static bfd_vma set_start; | |
162 | ||
163 | /* Changes to section addresses. */ | |
164 | static bfd_vma change_section_address = 0; | |
165 | ||
166 | /* Filling gaps between sections. */ | |
167 | static boolean gap_fill_set = false; | |
168 | static bfd_byte gap_fill = 0; | |
169 | ||
170 | /* Pad to a given address. */ | |
171 | static boolean pad_to_set = false; | |
172 | static bfd_vma pad_to; | |
173 | ||
1ae8b3d2 AO |
174 | /* Use alternate machine code? */ |
175 | static int use_alt_mach_code = 0; | |
176 | ||
252b5132 | 177 | /* List of sections to add. */ |
252b5132 RH |
178 | struct section_add |
179 | { | |
180 | /* Next section to add. */ | |
181 | struct section_add *next; | |
182 | /* Name of section to add. */ | |
183 | const char *name; | |
184 | /* Name of file holding section contents. */ | |
185 | const char *filename; | |
186 | /* Size of file. */ | |
187 | size_t size; | |
188 | /* Contents of file. */ | |
189 | bfd_byte *contents; | |
190 | /* BFD section, after it has been added. */ | |
191 | asection *section; | |
192 | }; | |
193 | ||
594ef5db | 194 | /* List of sections to add to the output BFD. */ |
252b5132 RH |
195 | static struct section_add *add_sections; |
196 | ||
197 | /* Whether to convert debugging information. */ | |
252b5132 RH |
198 | static boolean convert_debugging = false; |
199 | ||
200 | /* Whether to change the leading character in symbol names. */ | |
252b5132 RH |
201 | static boolean change_leading_char = false; |
202 | ||
203 | /* Whether to remove the leading character from global symbol names. */ | |
252b5132 RH |
204 | static boolean remove_leading_char = false; |
205 | ||
16b2b71c NC |
206 | /* List of symbols to strip, keep, localize, keep-global, weaken, |
207 | or redefine. */ | |
252b5132 RH |
208 | static struct symlist *strip_specific_list = NULL; |
209 | static struct symlist *keep_specific_list = NULL; | |
210 | static struct symlist *localize_specific_list = NULL; | |
16b2b71c | 211 | static struct symlist *keepglobal_specific_list = NULL; |
252b5132 | 212 | static struct symlist *weaken_specific_list = NULL; |
57938635 | 213 | static struct redefine_node *redefine_sym_list = NULL; |
252b5132 RH |
214 | |
215 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
252b5132 RH |
216 | static boolean weaken = false; |
217 | ||
218 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ | |
219 | ||
220 | #define OPTION_ADD_SECTION 150 | |
221 | #define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1) | |
222 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1) | |
223 | #define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1) | |
224 | #define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1) | |
225 | #define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1) | |
226 | #define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1) | |
227 | #define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1) | |
228 | #define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1) | |
229 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) | |
230 | #define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1) | |
231 | #define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1) | |
232 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) | |
233 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
234 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) | |
235 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
236 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) | |
57938635 | 237 | #define OPTION_REDEFINE_SYM (OPTION_WEAKEN + 1) |
420496c1 NC |
238 | #define OPTION_SREC_LEN (OPTION_REDEFINE_SYM + 1) |
239 | #define OPTION_SREC_FORCES3 (OPTION_SREC_LEN + 1) | |
16b2b71c NC |
240 | #define OPTION_STRIP_SYMBOLS (OPTION_SREC_FORCES3 + 1) |
241 | #define OPTION_KEEP_SYMBOLS (OPTION_STRIP_SYMBOLS + 1) | |
242 | #define OPTION_LOCALIZE_SYMBOLS (OPTION_KEEP_SYMBOLS + 1) | |
243 | #define OPTION_KEEPGLOBAL_SYMBOLS (OPTION_LOCALIZE_SYMBOLS + 1) | |
244 | #define OPTION_WEAKEN_SYMBOLS (OPTION_KEEPGLOBAL_SYMBOLS + 1) | |
594ef5db | 245 | #define OPTION_RENAME_SECTION (OPTION_WEAKEN_SYMBOLS + 1) |
1ae8b3d2 | 246 | #define OPTION_ALT_MACH_CODE (OPTION_RENAME_SECTION + 1) |
252b5132 RH |
247 | |
248 | /* Options to handle if running as "strip". */ | |
249 | ||
250 | static struct option strip_options[] = | |
251 | { | |
252 | {"discard-all", no_argument, 0, 'x'}, | |
253 | {"discard-locals", no_argument, 0, 'X'}, | |
254 | {"format", required_argument, 0, 'F'}, /* Obsolete */ | |
255 | {"help", no_argument, 0, 'h'}, | |
256 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
257 | {"input-target", required_argument, 0, 'I'}, | |
258 | {"keep-symbol", required_argument, 0, 'K'}, | |
259 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
260 | {"output-target", required_argument, 0, 'O'}, | |
af3bdff7 | 261 | {"output-file", required_argument, 0, 'o'}, |
252b5132 RH |
262 | {"preserve-dates", no_argument, 0, 'p'}, |
263 | {"remove-section", required_argument, 0, 'R'}, | |
264 | {"strip-all", no_argument, 0, 's'}, | |
265 | {"strip-debug", no_argument, 0, 'S'}, | |
266 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
267 | {"strip-symbol", required_argument, 0, 'N'}, | |
268 | {"target", required_argument, 0, 'F'}, | |
269 | {"verbose", no_argument, 0, 'v'}, | |
270 | {"version", no_argument, 0, 'V'}, | |
271 | {0, no_argument, 0, 0} | |
272 | }; | |
273 | ||
274 | /* Options to handle if running as "objcopy". */ | |
275 | ||
276 | static struct option copy_options[] = | |
277 | { | |
278 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, | |
279 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, | |
280 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
281 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
282 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
43a0748c | 283 | {"binary-architecture", required_argument, 0, 'B'}, |
252b5132 RH |
284 | {"byte", required_argument, 0, 'b'}, |
285 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
286 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, | |
287 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
288 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
289 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
290 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
291 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
292 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, | |
293 | {"discard-all", no_argument, 0, 'x'}, | |
294 | {"discard-locals", no_argument, 0, 'X'}, | |
f91ea849 | 295 | {"only-section", required_argument, 0, 'j'}, |
252b5132 RH |
296 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
297 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, | |
298 | {"help", no_argument, 0, 'h'}, | |
299 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
300 | {"input-target", required_argument, 0, 'I'}, | |
301 | {"interleave", required_argument, 0, 'i'}, | |
302 | {"keep-symbol", required_argument, 0, 'K'}, | |
303 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
304 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
305 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
306 | {"output-target", required_argument, 0, 'O'}, | |
307 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, | |
308 | {"preserve-dates", no_argument, 0, 'p'}, | |
309 | {"localize-symbol", required_argument, 0, 'L'}, | |
16b2b71c | 310 | {"keep-global-symbol", required_argument, 0, 'G'}, |
252b5132 RH |
311 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
312 | {"remove-section", required_argument, 0, 'R'}, | |
594ef5db | 313 | {"rename-section", required_argument, 0, OPTION_RENAME_SECTION}, |
252b5132 RH |
314 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
315 | {"set-start", required_argument, 0, OPTION_SET_START}, | |
316 | {"strip-all", no_argument, 0, 'S'}, | |
317 | {"strip-debug", no_argument, 0, 'g'}, | |
318 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
319 | {"strip-symbol", required_argument, 0, 'N'}, | |
320 | {"target", required_argument, 0, 'F'}, | |
321 | {"verbose", no_argument, 0, 'v'}, | |
322 | {"version", no_argument, 0, 'V'}, | |
323 | {"weaken", no_argument, 0, OPTION_WEAKEN}, | |
324 | {"weaken-symbol", required_argument, 0, 'W'}, | |
57938635 | 325 | {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM}, |
420496c1 NC |
326 | {"srec-len", required_argument, 0, OPTION_SREC_LEN}, |
327 | {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3}, | |
16b2b71c NC |
328 | {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS}, |
329 | {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS}, | |
330 | {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS}, | |
331 | {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS}, | |
332 | {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS}, | |
1ae8b3d2 | 333 | {"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE}, |
252b5132 RH |
334 | {0, no_argument, 0, 0} |
335 | }; | |
336 | ||
337 | /* IMPORTS */ | |
338 | extern char *program_name; | |
339 | ||
340 | /* This flag distinguishes between strip and objcopy: | |
341 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
342 | -1 means if we should use argv[0] to decide. */ | |
343 | extern int is_strip; | |
344 | ||
420496c1 NC |
345 | /* The maximum length of an S record. This variable is declared in srec.c |
346 | and can be modified by the --srec-len parameter. */ | |
347 | extern unsigned int Chunk; | |
348 | ||
349 | /* Restrict the generation of Srecords to type S3 only. | |
350 | This variable is declare in bfd/srec.c and can be toggled | |
351 | on by the --srec-forceS3 command line switch. */ | |
352 | extern boolean S3Forced; | |
252b5132 | 353 | |
43a0748c NC |
354 | /* Defined in bfd/binary.c. Used to set architecture of input binary files. */ |
355 | extern enum bfd_architecture bfd_external_binary_architecture; | |
356 | ||
594ef5db | 357 | \f |
252b5132 RH |
358 | static void |
359 | copy_usage (stream, exit_status) | |
360 | FILE *stream; | |
361 | int exit_status; | |
362 | { | |
8b53311e NC |
363 | fprintf (stream, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name); |
364 | fprintf (stream, _(" Copies a binary file, possibly transforming it in the process\n")); | |
6364e0b4 | 365 | fprintf (stream, _(" The options are:\n")); |
252b5132 | 366 | fprintf (stream, _("\ |
d5bcb29d NC |
367 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
368 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
43a0748c | 369 | -B --binary-architecture <arch> Set arch of output file, when input is binary\n\ |
d5bcb29d NC |
370 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ |
371 | --debugging Convert debugging information, if possible\n\ | |
372 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
373 | -j --only-section <name> Only copy section <name> into the output\n\ | |
374 | -R --remove-section <name> Remove section <name> from the output\n\ | |
375 | -S --strip-all Remove all symbol and relocation information\n\ | |
376 | -g --strip-debug Remove all debugging symbols\n\ | |
377 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
378 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
379 | -K --keep-symbol <name> Only copy symbol <name>\n\ | |
380 | -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\ | |
16b2b71c | 381 | -G --keep-global-symbol <name> Localize all symbols except <name>\n\ |
d5bcb29d NC |
382 | -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\ |
383 | --weaken Force all global symbols to be marked as weak\n\ | |
384 | -x --discard-all Remove all non-global symbols\n\ | |
385 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
386 | -i --interleave <number> Only copy one out of every <number> bytes\n\ | |
387 | -b --byte <num> Select byte <num> in every interleaved block\n\ | |
388 | --gap-fill <val> Fill gaps between sections with <val>\n\ | |
389 | --pad-to <addr> Pad the last section up to address <addr>\n\ | |
390 | --set-start <addr> Set the start address to <addr>\n\ | |
391 | {--change-start|--adjust-start} <incr>\n\ | |
392 | Add <incr> to the start address\n\ | |
393 | {--change-addresses|--adjust-vma} <incr>\n\ | |
394 | Add <incr> to LMA, VMA and start addresses\n\ | |
395 | {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\ | |
396 | Change LMA and VMA of section <name> by <val>\n\ | |
397 | --change-section-lma <name>{=|+|-}<val>\n\ | |
398 | Change the LMA of section <name> by <val>\n\ | |
399 | --change-section-vma <name>{=|+|-}<val>\n\ | |
400 | Change the VMA of section <name> by <val>\n\ | |
401 | {--[no-]change-warnings|--[no-]adjust-warnings}\n\ | |
402 | Warn if a named section does not exist\n\ | |
403 | --set-section-flags <name>=<flags>\n\ | |
404 | Set section <name>'s properties to <flags>\n\ | |
405 | --add-section <name>=<file> Add section <name> found in <file> to output\n\ | |
594ef5db | 406 | --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\ |
d5bcb29d NC |
407 | --change-leading-char Force output format's leading character style\n\ |
408 | --remove-leading-char Remove leading character from global symbols\n\ | |
57938635 | 409 | --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\ |
420496c1 NC |
410 | --srec-len <number> Restrict the length of generated Srecords\n\ |
411 | --srec-forceS3 Restrict the type of generated Srecords to S3\n\ | |
16b2b71c NC |
412 | --strip-symbols <file> -N for all symbols listed in <file>\n\ |
413 | --keep-symbols <file> -K for all symbols listed in <file>\n\ | |
414 | --localize-symbols <file> -L for all symbols listed in <file>\n\ | |
415 | --keep-global-symbols <file> -G for all symbols listed in <file>\n\ | |
416 | --weaken-symbols <file> -W for all symbols listed in <file>\n\ | |
1ae8b3d2 | 417 | --alt-machine-code <index> Use alternate machine code for output\n\ |
d5bcb29d NC |
418 | -v --verbose List all object files modified\n\ |
419 | -V --version Display this program's version number\n\ | |
420 | -h --help Display this output\n\ | |
421 | ")); | |
252b5132 RH |
422 | list_supported_targets (program_name, stream); |
423 | if (exit_status == 0) | |
8ad3436c | 424 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
425 | exit (exit_status); |
426 | } | |
427 | ||
428 | static void | |
429 | strip_usage (stream, exit_status) | |
430 | FILE *stream; | |
431 | int exit_status; | |
432 | { | |
8b53311e NC |
433 | fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name); |
434 | fprintf (stream, _(" Removes symbols and sections from files\n")); | |
6364e0b4 | 435 | fprintf (stream, _(" The options are:\n")); |
252b5132 | 436 | fprintf (stream, _("\ |
8b53311e NC |
437 | -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\ |
438 | -O --output-target=<bfdname> Create an output file in format <bfdname>\n\ | |
439 | -F --target=<bfdname> Set both input and output format to <bfdname>\n\ | |
d5bcb29d | 440 | -p --preserve-dates Copy modified/access timestamps to the output\n\ |
8b53311e | 441 | -R --remove-section=<name> Remove section <name> from the output\n\ |
d5bcb29d NC |
442 | -s --strip-all Remove all symbol and relocation information\n\ |
443 | -g -S --strip-debug Remove all debugging symbols\n\ | |
444 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
8b53311e NC |
445 | -N --strip-symbol=<name> Do not copy symbol <name>\n\ |
446 | -K --keep-symbol=<name> Only copy symbol <name>\n\ | |
d5bcb29d NC |
447 | -x --discard-all Remove all non-global symbols\n\ |
448 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
449 | -v --verbose List all object files modified\n\ | |
450 | -V --version Display this program's version number\n\ | |
451 | -h --help Display this output\n\ | |
452 | -o <file> Place stripped output into <file>\n\ | |
453 | ")); | |
454 | ||
252b5132 RH |
455 | list_supported_targets (program_name, stream); |
456 | if (exit_status == 0) | |
8ad3436c | 457 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
458 | exit (exit_status); |
459 | } | |
460 | ||
461 | /* Parse section flags into a flagword, with a fatal error if the | |
462 | string can't be parsed. */ | |
463 | ||
464 | static flagword | |
465 | parse_flags (s) | |
466 | const char *s; | |
467 | { | |
468 | flagword ret; | |
469 | const char *snext; | |
470 | int len; | |
471 | ||
472 | ret = SEC_NO_FLAGS; | |
473 | ||
474 | do | |
475 | { | |
476 | snext = strchr (s, ','); | |
477 | if (snext == NULL) | |
478 | len = strlen (s); | |
479 | else | |
480 | { | |
481 | len = snext - s; | |
482 | ++snext; | |
483 | } | |
484 | ||
485 | if (0) ; | |
486 | #define PARSE_FLAG(fname,fval) \ | |
487 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
488 | PARSE_FLAG ("alloc", SEC_ALLOC); | |
489 | PARSE_FLAG ("load", SEC_LOAD); | |
3994e2c6 | 490 | PARSE_FLAG ("noload", SEC_NEVER_LOAD); |
252b5132 | 491 | PARSE_FLAG ("readonly", SEC_READONLY); |
3994e2c6 | 492 | PARSE_FLAG ("debug", SEC_DEBUGGING); |
252b5132 RH |
493 | PARSE_FLAG ("code", SEC_CODE); |
494 | PARSE_FLAG ("data", SEC_DATA); | |
495 | PARSE_FLAG ("rom", SEC_ROM); | |
3994e2c6 | 496 | PARSE_FLAG ("share", SEC_SHARED); |
252b5132 RH |
497 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
498 | #undef PARSE_FLAG | |
499 | else | |
500 | { | |
501 | char *copy; | |
502 | ||
503 | copy = xmalloc (len + 1); | |
504 | strncpy (copy, s, len); | |
505 | copy[len] = '\0'; | |
506 | non_fatal (_("unrecognized section flag `%s'"), copy); | |
57938635 AM |
507 | fatal (_("supported flags: %s"), |
508 | "alloc, load, noload, readonly, debug, code, data, rom, share, contents"); | |
252b5132 RH |
509 | } |
510 | ||
511 | s = snext; | |
512 | } | |
513 | while (s != NULL); | |
514 | ||
515 | return ret; | |
516 | } | |
517 | ||
518 | /* Find and optionally add an entry in the change_sections list. */ | |
519 | ||
520 | static struct section_list * | |
521 | find_section_list (name, add) | |
522 | const char *name; | |
523 | boolean add; | |
524 | { | |
525 | register struct section_list *p; | |
526 | ||
527 | for (p = change_sections; p != NULL; p = p->next) | |
528 | if (strcmp (p->name, name) == 0) | |
529 | return p; | |
530 | ||
531 | if (! add) | |
532 | return NULL; | |
533 | ||
534 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
535 | p->name = name; | |
536 | p->used = false; | |
537 | p->remove = false; | |
f91ea849 | 538 | p->copy = false; |
252b5132 RH |
539 | p->change_vma = CHANGE_IGNORE; |
540 | p->change_lma = CHANGE_IGNORE; | |
541 | p->vma_val = 0; | |
542 | p->lma_val = 0; | |
543 | p->set_flags = false; | |
544 | p->flags = 0; | |
545 | ||
546 | p->next = change_sections; | |
547 | change_sections = p; | |
548 | ||
549 | return p; | |
550 | } | |
551 | ||
552 | /* Add a symbol to strip_specific_list. */ | |
553 | ||
57938635 | 554 | static void |
252b5132 RH |
555 | add_specific_symbol (name, list) |
556 | const char *name; | |
557 | struct symlist **list; | |
558 | { | |
559 | struct symlist *tmp_list; | |
560 | ||
561 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
562 | tmp_list->name = name; | |
563 | tmp_list->next = *list; | |
564 | *list = tmp_list; | |
565 | } | |
566 | ||
16b2b71c NC |
567 | /* Add symbols listed in `filename' to strip_specific_list. */ |
568 | ||
569 | #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t') | |
570 | #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0') | |
571 | ||
572 | static void | |
573 | add_specific_symbols (filename, list) | |
574 | const char *filename; | |
575 | struct symlist **list; | |
576 | { | |
577 | struct stat st; | |
578 | FILE * f; | |
579 | char * line; | |
580 | char * buffer; | |
581 | unsigned int line_count; | |
582 | ||
583 | if (stat (filename, & st) < 0) | |
584 | fatal (_("cannot stat: %s: %s"), filename, strerror (errno)); | |
585 | if (st.st_size == 0) | |
586 | return; | |
587 | ||
588 | buffer = (char *) xmalloc (st.st_size + 2); | |
589 | f = fopen (filename, FOPEN_RT); | |
590 | if (f == NULL) | |
591 | fatal (_("cannot open: %s: %s"), filename, strerror (errno)); | |
592 | ||
593 | if (fread (buffer, 1, st.st_size, f) == 0 || ferror (f)) | |
594 | fatal (_("%s: fread failed"), filename); | |
595 | ||
596 | fclose (f); | |
597 | buffer [st.st_size] = '\n'; | |
598 | buffer [st.st_size + 1] = '\0'; | |
599 | ||
600 | line_count = 1; | |
601 | ||
602 | for (line = buffer; * line != '\0'; line ++) | |
603 | { | |
604 | char * eol; | |
605 | char * name; | |
606 | char * name_end; | |
607 | int finished = false; | |
608 | ||
609 | for (eol = line;; eol ++) | |
610 | { | |
611 | switch (* eol) | |
612 | { | |
613 | case '\n': | |
614 | * eol = '\0'; | |
615 | /* Cope with \n\r. */ | |
616 | if (eol[1] == '\r') | |
617 | ++ eol; | |
618 | finished = true; | |
619 | break; | |
620 | ||
621 | case '\r': | |
622 | * eol = '\0'; | |
623 | /* Cope with \r\n. */ | |
624 | if (eol[1] == '\n') | |
625 | ++ eol; | |
626 | finished = true; | |
627 | break; | |
628 | ||
629 | case 0: | |
630 | finished = true; | |
631 | break; | |
632 | ||
633 | case '#': | |
634 | /* Line comment, Terminate the line here, in case a | |
635 | name is present and then allow the rest of the | |
636 | loop to find the real end of the line. */ | |
637 | * eol = '\0'; | |
638 | break; | |
639 | ||
640 | default: | |
641 | break; | |
642 | } | |
643 | ||
644 | if (finished) | |
645 | break; | |
646 | } | |
647 | ||
648 | /* A name may now exist somewhere between 'line' and 'eol'. | |
649 | Strip off leading whitespace and trailing whitespace, | |
650 | then add it to the list. */ | |
651 | for (name = line; IS_WHITESPACE (* name); name ++) | |
652 | ; | |
653 | for (name_end = name; | |
654 | (! IS_WHITESPACE (* name_end)) | |
655 | && (! IS_LINE_TERMINATOR (* name_end)); | |
656 | name_end ++) | |
657 | ; | |
658 | ||
659 | if (! IS_LINE_TERMINATOR (* name_end)) | |
660 | { | |
661 | char * extra; | |
662 | ||
663 | for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++) | |
664 | ; | |
665 | ||
666 | if (! IS_LINE_TERMINATOR (* extra)) | |
667 | non_fatal (_("Ignoring rubbish found on line %d of %s"), | |
668 | line_count, filename); | |
669 | } | |
670 | ||
671 | * name_end = '\0'; | |
672 | ||
673 | if (name_end > name) | |
674 | add_specific_symbol (name, list); | |
675 | ||
676 | /* Advance line pointer to end of line. The 'eol ++' in the for | |
677 | loop above will then advance us to the start of the next line. */ | |
678 | line = eol; | |
679 | line_count ++; | |
680 | } | |
681 | } | |
682 | ||
252b5132 RH |
683 | /* See whether a symbol should be stripped or kept based on |
684 | strip_specific_list and keep_symbols. */ | |
685 | ||
686 | static boolean | |
687 | is_specified_symbol (name, list) | |
688 | const char *name; | |
689 | struct symlist *list; | |
690 | { | |
691 | struct symlist *tmp_list; | |
692 | ||
693 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) | |
594ef5db NC |
694 | if (strcmp (name, tmp_list->name) == 0) |
695 | return true; | |
696 | ||
252b5132 RH |
697 | return false; |
698 | } | |
699 | ||
700 | /* See if a section is being removed. */ | |
701 | ||
702 | static boolean | |
703 | is_strip_section (abfd, sec) | |
b4c96d0d | 704 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
705 | asection *sec; |
706 | { | |
707 | struct section_list *p; | |
708 | ||
709 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 | |
710 | && (strip_symbols == STRIP_DEBUG | |
711 | || strip_symbols == STRIP_UNNEEDED | |
712 | || strip_symbols == STRIP_ALL | |
713 | || discard_locals == LOCALS_ALL | |
714 | || convert_debugging)) | |
715 | return true; | |
716 | ||
f91ea849 | 717 | if (! sections_removed && ! sections_copied) |
252b5132 | 718 | return false; |
f91ea849 | 719 | |
252b5132 | 720 | p = find_section_list (bfd_get_section_name (abfd, sec), false); |
f91ea849 ILT |
721 | if (sections_removed && p != NULL && p->remove) |
722 | return true; | |
723 | if (sections_copied && (p == NULL || ! p->copy)) | |
724 | return true; | |
725 | return false; | |
252b5132 RH |
726 | } |
727 | ||
728 | /* Choose which symbol entries to copy; put the result in OSYMS. | |
729 | We don't copy in place, because that confuses the relocs. | |
730 | Return the number of symbols to print. */ | |
731 | ||
732 | static unsigned int | |
733 | filter_symbols (abfd, obfd, osyms, isyms, symcount) | |
734 | bfd *abfd; | |
735 | bfd *obfd; | |
736 | asymbol **osyms, **isyms; | |
737 | long symcount; | |
738 | { | |
739 | register asymbol **from = isyms, **to = osyms; | |
740 | long src_count = 0, dst_count = 0; | |
d8121479 L |
741 | int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC)) |
742 | == HAS_RELOC; | |
252b5132 RH |
743 | |
744 | for (; src_count < symcount; src_count++) | |
745 | { | |
746 | asymbol *sym = from[src_count]; | |
747 | flagword flags = sym->flags; | |
748 | const char *name = bfd_asymbol_name (sym); | |
749 | int keep; | |
24e01a36 | 750 | boolean undefined; |
252b5132 | 751 | |
57938635 AM |
752 | if (redefine_sym_list) |
753 | { | |
754 | const char *old_name, *new_name; | |
755 | ||
756 | old_name = bfd_asymbol_name (sym); | |
757 | new_name = lookup_sym_redefinition (old_name); | |
758 | name = bfd_asymbol_name (sym) = new_name; | |
759 | } | |
760 | ||
252b5132 RH |
761 | if (change_leading_char |
762 | && (bfd_get_symbol_leading_char (abfd) | |
763 | != bfd_get_symbol_leading_char (obfd)) | |
764 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
765 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
766 | { | |
767 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
768 | name = bfd_asymbol_name (sym) = name + 1; | |
769 | else | |
770 | { | |
771 | char *n; | |
772 | ||
773 | n = xmalloc (strlen (name) + 2); | |
774 | n[0] = bfd_get_symbol_leading_char (obfd); | |
775 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
776 | strcpy (n + 1, name); | |
777 | else | |
778 | strcpy (n + 1, name + 1); | |
779 | name = bfd_asymbol_name (sym) = n; | |
780 | } | |
781 | } | |
782 | ||
24e01a36 L |
783 | undefined = bfd_is_und_section (bfd_get_section (sym)); |
784 | ||
252b5132 RH |
785 | if (remove_leading_char |
786 | && ((flags & BSF_GLOBAL) != 0 | |
787 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 788 | || undefined |
252b5132 RH |
789 | || bfd_is_com_section (bfd_get_section (sym))) |
790 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
791 | name = bfd_asymbol_name (sym) = name + 1; | |
792 | ||
793 | if (strip_symbols == STRIP_ALL) | |
794 | keep = 0; | |
795 | else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */ | |
796 | || ((flags & BSF_SECTION_SYM) != 0 | |
797 | && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags | |
798 | & BSF_KEEP) != 0)) | |
799 | keep = 1; | |
d8121479 L |
800 | else if (relocatable /* Relocatable file. */ |
801 | && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0) | |
802 | keep = 1; | |
16b2b71c NC |
803 | else if (bfd_decode_symclass (sym) == 'I') |
804 | /* Global symbols in $idata sections need to be retained | |
805 | even if relocatable is false. External users of the | |
806 | library containing the $idata section may reference these | |
807 | symbols. */ | |
af3bdff7 | 808 | keep = 1; |
252b5132 RH |
809 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
810 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 811 | || undefined |
252b5132 RH |
812 | || bfd_is_com_section (bfd_get_section (sym))) |
813 | keep = strip_symbols != STRIP_UNNEEDED; | |
814 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ | |
815 | keep = (strip_symbols != STRIP_DEBUG | |
816 | && strip_symbols != STRIP_UNNEEDED | |
817 | && ! convert_debugging); | |
af3bdff7 NC |
818 | else if (bfd_get_section (sym)->comdat) |
819 | /* COMDAT sections store special information in local | |
820 | symbols, so we cannot risk stripping any of them. */ | |
821 | keep = 1; | |
252b5132 RH |
822 | else /* Local symbol. */ |
823 | keep = (strip_symbols != STRIP_UNNEEDED | |
824 | && (discard_locals != LOCALS_ALL | |
825 | && (discard_locals != LOCALS_START_L | |
826 | || ! bfd_is_local_label (abfd, sym)))); | |
827 | ||
828 | if (keep && is_specified_symbol (name, strip_specific_list)) | |
829 | keep = 0; | |
830 | if (!keep && is_specified_symbol (name, keep_specific_list)) | |
831 | keep = 1; | |
832 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) | |
833 | keep = 0; | |
e0c60db2 | 834 | |
252b5132 RH |
835 | if (keep && (flags & BSF_GLOBAL) != 0 |
836 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
837 | { | |
838 | sym->flags &=~ BSF_GLOBAL; | |
839 | sym->flags |= BSF_WEAK; | |
840 | } | |
24e01a36 | 841 | if (keep && !undefined && (flags & (BSF_GLOBAL | BSF_WEAK)) |
16b2b71c NC |
842 | && (is_specified_symbol (name, localize_specific_list) |
843 | || (keepglobal_specific_list != NULL | |
844 | && ! is_specified_symbol (name, keepglobal_specific_list)))) | |
252b5132 RH |
845 | { |
846 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
847 | sym->flags |= BSF_LOCAL; | |
848 | } | |
849 | ||
850 | if (keep) | |
851 | to[dst_count++] = sym; | |
852 | } | |
853 | ||
854 | to[dst_count] = NULL; | |
855 | ||
856 | return dst_count; | |
857 | } | |
858 | ||
594ef5db NC |
859 | /* Find the redefined name of symbol SOURCE. */ |
860 | ||
57938635 AM |
861 | static const char * |
862 | lookup_sym_redefinition (source) | |
863 | const char *source; | |
864 | { | |
57938635 AM |
865 | struct redefine_node *list; |
866 | ||
57938635 | 867 | for (list = redefine_sym_list; list != NULL; list = list->next) |
594ef5db NC |
868 | if (strcmp (source, list->source) == 0) |
869 | return list->target; | |
870 | ||
871 | return source; | |
57938635 AM |
872 | } |
873 | ||
594ef5db | 874 | /* Add a node to a symbol redefine list. */ |
57938635 AM |
875 | |
876 | static void | |
877 | redefine_list_append (source, target) | |
878 | const char *source; | |
879 | const char *target; | |
880 | { | |
881 | struct redefine_node **p; | |
882 | struct redefine_node *list; | |
883 | struct redefine_node *new_node; | |
884 | ||
885 | for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next) | |
886 | { | |
887 | if (strcmp (source, list->source) == 0) | |
594ef5db NC |
888 | fatal (_("%s: Multiple redefinition of symbol \"%s\""), |
889 | "--redefine-sym", | |
890 | source); | |
57938635 AM |
891 | |
892 | if (strcmp (target, list->target) == 0) | |
594ef5db NC |
893 | fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"), |
894 | "--redefine-sym", | |
895 | target); | |
57938635 AM |
896 | } |
897 | ||
898 | new_node = (struct redefine_node *) xmalloc (sizeof (struct redefine_node)); | |
899 | ||
900 | new_node->source = strdup (source); | |
901 | new_node->target = strdup (target); | |
902 | new_node->next = NULL; | |
903 | ||
904 | *p = new_node; | |
905 | } | |
906 | ||
252b5132 RH |
907 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
908 | Adjust *SIZE. */ | |
909 | ||
910 | static void | |
911 | filter_bytes (memhunk, size) | |
912 | char *memhunk; | |
913 | bfd_size_type *size; | |
914 | { | |
915 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
916 | ||
917 | for (; from < end; from += interleave) | |
918 | *to++ = *from; | |
594ef5db | 919 | |
b4c96d0d | 920 | if (*size % interleave > (bfd_size_type) copy_byte) |
252b5132 RH |
921 | *size = (*size / interleave) + 1; |
922 | else | |
923 | *size /= interleave; | |
924 | } | |
925 | ||
926 | /* Copy object file IBFD onto OBFD. */ | |
927 | ||
928 | static void | |
929 | copy_object (ibfd, obfd) | |
930 | bfd *ibfd; | |
931 | bfd *obfd; | |
932 | { | |
933 | bfd_vma start; | |
934 | long symcount; | |
935 | asection **osections = NULL; | |
936 | bfd_size_type *gaps = NULL; | |
937 | bfd_size_type max_gap = 0; | |
938 | long symsize; | |
939 | PTR dhandle; | |
940 | ||
23719f39 NC |
941 | if (ibfd->xvec->byteorder != obfd->xvec->byteorder |
942 | && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN | |
943 | && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN) | |
944 | { | |
945 | fatal (_("Unable to change endianness of input file(s)")); | |
946 | return; | |
947 | } | |
252b5132 RH |
948 | |
949 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
950 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
951 | ||
952 | if (verbose) | |
953 | printf (_("copy from %s(%s) to %s(%s)\n"), | |
954 | bfd_get_filename (ibfd), bfd_get_target (ibfd), | |
955 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
956 | ||
957 | if (set_start_set) | |
958 | start = set_start; | |
959 | else | |
960 | start = bfd_get_start_address (ibfd); | |
961 | start += change_start; | |
962 | ||
4dd67f29 MS |
963 | /* Neither the start address nor the flags |
964 | need to be set for a core file. */ | |
965 | if (bfd_get_format (obfd) != bfd_core) | |
966 | { | |
967 | if (!bfd_set_start_address (obfd, start) | |
968 | || !bfd_set_file_flags (obfd, | |
969 | (bfd_get_file_flags (ibfd) | |
970 | & bfd_applicable_file_flags (obfd)))) | |
971 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
972 | } | |
252b5132 | 973 | |
594ef5db | 974 | /* Copy architecture of input file to output file. */ |
252b5132 RH |
975 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), |
976 | bfd_get_mach (ibfd))) | |
977 | non_fatal (_("Warning: Output file cannot represent architecture %s"), | |
978 | bfd_printable_arch_mach (bfd_get_arch (ibfd), | |
979 | bfd_get_mach (ibfd))); | |
57938635 | 980 | |
252b5132 RH |
981 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
982 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
983 | ||
984 | if (isympp) | |
985 | free (isympp); | |
57938635 | 986 | |
252b5132 RH |
987 | if (osympp != isympp) |
988 | free (osympp); | |
989 | ||
990 | /* BFD mandates that all output sections be created and sizes set before | |
991 | any output is done. Thus, we traverse all sections multiple times. */ | |
992 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
993 | ||
994 | if (add_sections != NULL) | |
995 | { | |
996 | struct section_add *padd; | |
997 | struct section_list *pset; | |
998 | ||
999 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1000 | { | |
1001 | padd->section = bfd_make_section (obfd, padd->name); | |
1002 | if (padd->section == NULL) | |
1003 | { | |
1004 | non_fatal (_("can't create section `%s': %s"), | |
1005 | padd->name, bfd_errmsg (bfd_get_error ())); | |
1006 | status = 1; | |
1007 | return; | |
1008 | } | |
1009 | else | |
1010 | { | |
1011 | flagword flags; | |
57938635 | 1012 | |
252b5132 RH |
1013 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) |
1014 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1015 | ||
1016 | pset = find_section_list (padd->name, false); | |
1017 | if (pset != NULL) | |
1018 | pset->used = true; | |
1019 | ||
1020 | if (pset != NULL && pset->set_flags) | |
1021 | flags = pset->flags | SEC_HAS_CONTENTS; | |
1022 | else | |
1023 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
57938635 | 1024 | |
252b5132 RH |
1025 | if (! bfd_set_section_flags (obfd, padd->section, flags)) |
1026 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1027 | ||
1028 | if (pset != NULL) | |
1029 | { | |
1030 | if (pset->change_vma != CHANGE_IGNORE) | |
1031 | if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val)) | |
1032 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
57938635 | 1033 | |
252b5132 RH |
1034 | if (pset->change_lma != CHANGE_IGNORE) |
1035 | { | |
1036 | padd->section->lma = pset->lma_val; | |
57938635 | 1037 | |
252b5132 RH |
1038 | if (! bfd_set_section_alignment |
1039 | (obfd, padd->section, | |
1040 | bfd_section_alignment (obfd, padd->section))) | |
1041 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1042 | } | |
1043 | } | |
1044 | } | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | if (gap_fill_set || pad_to_set) | |
1049 | { | |
1050 | asection **set; | |
1051 | unsigned int c, i; | |
1052 | ||
1053 | /* We must fill in gaps between the sections and/or we must pad | |
1054 | the last section to a specified address. We do this by | |
1055 | grabbing a list of the sections, sorting them by VMA, and | |
1056 | increasing the section sizes as required to fill the gaps. | |
1057 | We write out the gap contents below. */ | |
1058 | ||
1059 | c = bfd_count_sections (obfd); | |
1060 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
1061 | set = osections; | |
1062 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
1063 | ||
1064 | qsort (osections, c, sizeof (asection *), compare_section_lma); | |
1065 | ||
1066 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
1067 | memset (gaps, 0, c * sizeof (bfd_size_type)); | |
1068 | ||
1069 | if (gap_fill_set) | |
1070 | { | |
1071 | for (i = 0; i < c - 1; i++) | |
1072 | { | |
1073 | flagword flags; | |
1074 | bfd_size_type size; | |
1075 | bfd_vma gap_start, gap_stop; | |
1076 | ||
1077 | flags = bfd_get_section_flags (obfd, osections[i]); | |
1078 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
1079 | || (flags & SEC_LOAD) == 0) | |
1080 | continue; | |
1081 | ||
1082 | size = bfd_section_size (obfd, osections[i]); | |
1083 | gap_start = bfd_section_lma (obfd, osections[i]) + size; | |
1084 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
1085 | if (gap_start < gap_stop) | |
1086 | { | |
1087 | if (! bfd_set_section_size (obfd, osections[i], | |
1088 | size + (gap_stop - gap_start))) | |
1089 | { | |
1090 | non_fatal (_("Can't fill gap after %s: %s"), | |
1091 | bfd_get_section_name (obfd, osections[i]), | |
1092 | bfd_errmsg (bfd_get_error ())); | |
1093 | status = 1; | |
1094 | break; | |
1095 | } | |
1096 | gaps[i] = gap_stop - gap_start; | |
1097 | if (max_gap < gap_stop - gap_start) | |
1098 | max_gap = gap_stop - gap_start; | |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | if (pad_to_set) | |
1104 | { | |
1105 | bfd_vma lma; | |
1106 | bfd_size_type size; | |
1107 | ||
1108 | lma = bfd_section_lma (obfd, osections[c - 1]); | |
1109 | size = bfd_section_size (obfd, osections[c - 1]); | |
1110 | if (lma + size < pad_to) | |
1111 | { | |
1112 | if (! bfd_set_section_size (obfd, osections[c - 1], | |
1113 | pad_to - lma)) | |
1114 | { | |
1115 | non_fatal (_("Can't add padding to %s: %s"), | |
1116 | bfd_get_section_name (obfd, osections[c - 1]), | |
1117 | bfd_errmsg (bfd_get_error ())); | |
1118 | status = 1; | |
1119 | } | |
1120 | else | |
1121 | { | |
1122 | gaps[c - 1] = pad_to - (lma + size); | |
1123 | if (max_gap < pad_to - (lma + size)) | |
1124 | max_gap = pad_to - (lma + size); | |
1125 | } | |
1126 | } | |
1127 | } | |
1128 | } | |
1129 | ||
594ef5db NC |
1130 | /* Symbol filtering must happen after the output sections |
1131 | have been created, but before their contents are set. */ | |
252b5132 RH |
1132 | dhandle = NULL; |
1133 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
1134 | if (symsize < 0) | |
1135 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1136 | |
252b5132 RH |
1137 | osympp = isympp = (asymbol **) xmalloc (symsize); |
1138 | symcount = bfd_canonicalize_symtab (ibfd, isympp); | |
1139 | if (symcount < 0) | |
1140 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1141 | |
252b5132 RH |
1142 | if (convert_debugging) |
1143 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
57938635 AM |
1144 | |
1145 | if (strip_symbols == STRIP_DEBUG | |
252b5132 RH |
1146 | || strip_symbols == STRIP_ALL |
1147 | || strip_symbols == STRIP_UNNEEDED | |
1148 | || discard_locals != LOCALS_UNDEF | |
1149 | || strip_specific_list != NULL | |
1150 | || keep_specific_list != NULL | |
1151 | || localize_specific_list != NULL | |
16b2b71c | 1152 | || keepglobal_specific_list != NULL |
252b5132 RH |
1153 | || weaken_specific_list != NULL |
1154 | || sections_removed | |
f91ea849 | 1155 | || sections_copied |
252b5132 RH |
1156 | || convert_debugging |
1157 | || change_leading_char | |
1158 | || remove_leading_char | |
57938635 | 1159 | || redefine_sym_list |
252b5132 RH |
1160 | || weaken) |
1161 | { | |
1162 | /* Mark symbols used in output relocations so that they | |
1163 | are kept, even if they are local labels or static symbols. | |
57938635 | 1164 | |
252b5132 RH |
1165 | Note we iterate over the input sections examining their |
1166 | relocations since the relocations for the output sections | |
1167 | haven't been set yet. mark_symbols_used_in_relocations will | |
1168 | ignore input sections which have no corresponding output | |
1169 | section. */ | |
1170 | if (strip_symbols != STRIP_ALL) | |
1171 | bfd_map_over_sections (ibfd, | |
1172 | mark_symbols_used_in_relocations, | |
1173 | (PTR)isympp); | |
1174 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); | |
1175 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
1176 | } | |
1177 | ||
1178 | if (convert_debugging && dhandle != NULL) | |
1179 | { | |
1180 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
1181 | { | |
1182 | status = 1; | |
1183 | return; | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | bfd_set_symtab (obfd, osympp, symcount); | |
1188 | ||
1189 | /* This has to happen after the symbol table has been set. */ | |
1190 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); | |
1191 | ||
1192 | if (add_sections != NULL) | |
1193 | { | |
1194 | struct section_add *padd; | |
1195 | ||
1196 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1197 | { | |
1198 | if (! bfd_set_section_contents (obfd, padd->section, | |
1199 | (PTR) padd->contents, | |
1200 | (file_ptr) 0, | |
1201 | (bfd_size_type) padd->size)) | |
1202 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | if (gap_fill_set || pad_to_set) | |
1207 | { | |
1208 | bfd_byte *buf; | |
1209 | int c, i; | |
1210 | ||
1211 | /* Fill in the gaps. */ | |
252b5132 RH |
1212 | if (max_gap > 8192) |
1213 | max_gap = 8192; | |
1214 | buf = (bfd_byte *) xmalloc (max_gap); | |
1215 | memset (buf, gap_fill, (size_t) max_gap); | |
1216 | ||
1217 | c = bfd_count_sections (obfd); | |
1218 | for (i = 0; i < c; i++) | |
1219 | { | |
1220 | if (gaps[i] != 0) | |
1221 | { | |
1222 | bfd_size_type left; | |
1223 | file_ptr off; | |
1224 | ||
1225 | left = gaps[i]; | |
1226 | off = bfd_section_size (obfd, osections[i]) - left; | |
594ef5db | 1227 | |
252b5132 RH |
1228 | while (left > 0) |
1229 | { | |
1230 | bfd_size_type now; | |
1231 | ||
1232 | if (left > 8192) | |
1233 | now = 8192; | |
1234 | else | |
1235 | now = left; | |
1236 | ||
1237 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
1238 | off, now)) | |
1239 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1240 | ||
1241 | left -= now; | |
1242 | off += now; | |
1243 | } | |
1244 | } | |
1245 | } | |
1246 | } | |
1247 | ||
1248 | /* Allow the BFD backend to copy any private data it understands | |
1249 | from the input BFD to the output BFD. This is done last to | |
1250 | permit the routine to look at the filtered symbol table, which is | |
1251 | important for the ECOFF code at least. */ | |
594ef5db | 1252 | if (! bfd_copy_private_bfd_data (ibfd, obfd)) |
252b5132 RH |
1253 | { |
1254 | non_fatal (_("%s: error copying private BFD data: %s"), | |
1255 | bfd_get_filename (obfd), | |
1256 | bfd_errmsg (bfd_get_error ())); | |
1257 | status = 1; | |
1258 | return; | |
1259 | } | |
1ae8b3d2 AO |
1260 | |
1261 | /* Switch to the alternate machine code. We have to do this at the | |
1262 | very end, because we only initialize the header when we create | |
1263 | the first section. */ | |
1264 | if (use_alt_mach_code != 0) | |
1265 | { | |
1266 | if (!bfd_alt_mach_code (obfd, use_alt_mach_code)) | |
1267 | non_fatal (_("unknown alternate machine code, ignored")); | |
1268 | } | |
252b5132 RH |
1269 | } |
1270 | ||
1271 | /* Read each archive element in turn from IBFD, copy the | |
1272 | contents to temp file, and keep the temp file handle. */ | |
1273 | ||
1274 | static void | |
1275 | copy_archive (ibfd, obfd, output_target) | |
1276 | bfd *ibfd; | |
1277 | bfd *obfd; | |
1278 | const char *output_target; | |
1279 | { | |
1280 | struct name_list | |
1281 | { | |
1282 | struct name_list *next; | |
1283 | char *name; | |
1284 | bfd *obfd; | |
1285 | } *list, *l; | |
1286 | bfd **ptr = &obfd->archive_head; | |
1287 | bfd *this_element; | |
1288 | char *dir = make_tempname (bfd_get_filename (obfd)); | |
1289 | ||
1290 | /* Make a temp directory to hold the contents. */ | |
1291 | #if defined (_WIN32) && !defined (__CYGWIN32__) | |
1292 | if (mkdir (dir) != 0) | |
1293 | #else | |
1294 | if (mkdir (dir, 0700) != 0) | |
1295 | #endif | |
1296 | { | |
1297 | fatal (_("cannot mkdir %s for archive copying (error: %s)"), | |
1298 | dir, strerror (errno)); | |
1299 | } | |
1300 | obfd->has_armap = ibfd->has_armap; | |
1301 | ||
1302 | list = NULL; | |
1303 | ||
1304 | this_element = bfd_openr_next_archived_file (ibfd, NULL); | |
594ef5db | 1305 | |
b667df2e AM |
1306 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
1307 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1308 | ||
252b5132 RH |
1309 | while (!status && this_element != (bfd *) NULL) |
1310 | { | |
1311 | /* Create an output file for this member. */ | |
1312 | char *output_name = concat (dir, "/", bfd_get_filename (this_element), | |
1313 | (char *) NULL); | |
1314 | bfd *output_bfd = bfd_openw (output_name, output_target); | |
1315 | bfd *last_element; | |
8066d1a2 AS |
1316 | struct stat buf; |
1317 | int stat_status = 0; | |
1318 | ||
1319 | if (preserve_dates) | |
1320 | { | |
1321 | stat_status = bfd_stat_arch_elt (this_element, &buf); | |
594ef5db | 1322 | |
8066d1a2 AS |
1323 | if (stat_status != 0) |
1324 | non_fatal (_("internal stat error on %s"), | |
1325 | bfd_get_filename (this_element)); | |
1326 | } | |
252b5132 RH |
1327 | |
1328 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
1329 | l->name = output_name; | |
1330 | l->next = list; | |
1331 | list = l; | |
1332 | ||
1333 | if (output_bfd == (bfd *) NULL) | |
1334 | RETURN_NONFATAL (output_name); | |
1335 | ||
252b5132 RH |
1336 | if (bfd_check_format (this_element, bfd_object) == true) |
1337 | copy_object (this_element, output_bfd); | |
1338 | ||
1339 | if (!bfd_close (output_bfd)) | |
1340 | { | |
1341 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
1342 | /* Error in new object file. Don't change archive. */ | |
1343 | status = 1; | |
1344 | } | |
1345 | ||
8066d1a2 AS |
1346 | if (preserve_dates && stat_status == 0) |
1347 | set_times (output_name, &buf); | |
1348 | ||
252b5132 RH |
1349 | /* Open the newly output file and attach to our list. */ |
1350 | output_bfd = bfd_openr (output_name, output_target); | |
1351 | ||
1352 | l->obfd = output_bfd; | |
1353 | ||
1354 | *ptr = output_bfd; | |
1355 | ptr = &output_bfd->next; | |
1356 | ||
1357 | last_element = this_element; | |
1358 | ||
1359 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
1360 | ||
1361 | bfd_close (last_element); | |
1362 | } | |
1363 | *ptr = (bfd *) NULL; | |
1364 | ||
1365 | if (!bfd_close (obfd)) | |
1366 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1367 | ||
1368 | if (!bfd_close (ibfd)) | |
1369 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1370 | ||
1371 | /* Delete all the files that we opened. */ | |
1372 | for (l = list; l != NULL; l = l->next) | |
1373 | { | |
1374 | bfd_close (l->obfd); | |
1375 | unlink (l->name); | |
1376 | } | |
1377 | rmdir (dir); | |
1378 | } | |
1379 | ||
1380 | /* The top-level control. */ | |
1381 | ||
1382 | static void | |
1383 | copy_file (input_filename, output_filename, input_target, output_target) | |
1384 | const char *input_filename; | |
1385 | const char *output_filename; | |
1386 | const char *input_target; | |
1387 | const char *output_target; | |
1388 | { | |
1389 | bfd *ibfd; | |
1390 | char **matching; | |
1391 | ||
1392 | /* To allow us to do "strip *" without dying on the first | |
1393 | non-object file, failures are nonfatal. */ | |
252b5132 RH |
1394 | ibfd = bfd_openr (input_filename, input_target); |
1395 | if (ibfd == NULL) | |
1396 | RETURN_NONFATAL (input_filename); | |
1397 | ||
1398 | if (bfd_check_format (ibfd, bfd_archive)) | |
1399 | { | |
1400 | bfd *obfd; | |
1401 | ||
1402 | /* bfd_get_target does not return the correct value until | |
1403 | bfd_check_format succeeds. */ | |
1404 | if (output_target == NULL) | |
1405 | output_target = bfd_get_target (ibfd); | |
1406 | ||
1407 | obfd = bfd_openw (output_filename, output_target); | |
1408 | if (obfd == NULL) | |
1409 | RETURN_NONFATAL (output_filename); | |
1410 | ||
1411 | copy_archive (ibfd, obfd, output_target); | |
1412 | } | |
4dd67f29 MS |
1413 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching) |
1414 | || bfd_check_format_matches (ibfd, bfd_core, &matching)) | |
252b5132 RH |
1415 | { |
1416 | bfd *obfd; | |
1417 | ||
1418 | /* bfd_get_target does not return the correct value until | |
1419 | bfd_check_format succeeds. */ | |
1420 | if (output_target == NULL) | |
1421 | output_target = bfd_get_target (ibfd); | |
1422 | ||
1423 | obfd = bfd_openw (output_filename, output_target); | |
1424 | if (obfd == NULL) | |
1425 | RETURN_NONFATAL (output_filename); | |
1426 | ||
1427 | copy_object (ibfd, obfd); | |
1428 | ||
1429 | if (!bfd_close (obfd)) | |
1430 | RETURN_NONFATAL (output_filename); | |
1431 | ||
1432 | if (!bfd_close (ibfd)) | |
1433 | RETURN_NONFATAL (input_filename); | |
1434 | } | |
1435 | else | |
1436 | { | |
1437 | bfd_nonfatal (input_filename); | |
57938635 | 1438 | |
252b5132 RH |
1439 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
1440 | { | |
1441 | list_matching_formats (matching); | |
1442 | free (matching); | |
1443 | } | |
57938635 | 1444 | |
252b5132 RH |
1445 | status = 1; |
1446 | } | |
1447 | } | |
1448 | ||
594ef5db NC |
1449 | /* Add a name to the section renaming list. */ |
1450 | ||
1451 | static void | |
1452 | add_section_rename (old_name, new_name, flags) | |
1453 | const char * old_name; | |
1454 | const char * new_name; | |
1455 | flagword flags; | |
1456 | { | |
1457 | section_rename * rename; | |
1458 | ||
1459 | /* Check for conflicts first. */ | |
1460 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
1461 | if (strcmp (rename->old_name, old_name) == 0) | |
1462 | { | |
1463 | /* Silently ignore duplicate definitions. */ | |
1464 | if (strcmp (rename->new_name, new_name) == 0 | |
1465 | && rename->flags == flags) | |
1466 | return; | |
1467 | ||
1468 | fatal (_("Multiple renames of section %s"), old_name); | |
1469 | } | |
1470 | ||
1471 | rename = (section_rename *) xmalloc (sizeof (* rename)); | |
1472 | ||
1473 | rename->old_name = old_name; | |
1474 | rename->new_name = new_name; | |
1475 | rename->flags = flags; | |
1476 | rename->next = section_rename_list; | |
1477 | ||
1478 | section_rename_list = rename; | |
1479 | } | |
1480 | ||
1481 | /* Check the section rename list for a new name of the input section | |
1482 | ISECTION. Return the new name if one is found. | |
1483 | Also set RETURNED_FLAGS to the flags to be used for this section. */ | |
1484 | ||
1485 | static const char * | |
1486 | find_section_rename (ibfd, isection, returned_flags) | |
1487 | bfd * ibfd ATTRIBUTE_UNUSED; | |
1488 | sec_ptr isection; | |
1489 | flagword * returned_flags; | |
1490 | { | |
1491 | const char * old_name = bfd_section_name (ibfd, isection); | |
1492 | section_rename * rename; | |
1493 | ||
1494 | /* Default to using the flags of the input section. */ | |
1495 | * returned_flags = bfd_get_section_flags (ibfd, isection); | |
1496 | ||
1497 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
1498 | if (strcmp (rename->old_name, old_name) == 0) | |
1499 | { | |
1500 | if (rename->flags != (flagword) -1) | |
1501 | * returned_flags = rename->flags; | |
1502 | ||
1503 | return rename->new_name; | |
1504 | } | |
1505 | ||
1506 | return old_name; | |
1507 | } | |
1508 | ||
1509 | /* Create a section in OBFD with the same | |
1510 | name and attributes as ISECTION in IBFD. */ | |
252b5132 RH |
1511 | |
1512 | static void | |
1513 | setup_section (ibfd, isection, obfdarg) | |
1514 | bfd *ibfd; | |
1515 | sec_ptr isection; | |
1516 | PTR obfdarg; | |
1517 | { | |
1518 | bfd *obfd = (bfd *) obfdarg; | |
1519 | struct section_list *p; | |
1520 | sec_ptr osection; | |
1521 | bfd_size_type size; | |
1522 | bfd_vma vma; | |
1523 | bfd_vma lma; | |
1524 | flagword flags; | |
1a89cc7d | 1525 | const char *err; |
594ef5db NC |
1526 | const char * name; |
1527 | ||
252b5132 RH |
1528 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
1529 | && (strip_symbols == STRIP_DEBUG | |
1530 | || strip_symbols == STRIP_UNNEEDED | |
1531 | || strip_symbols == STRIP_ALL | |
1532 | || discard_locals == LOCALS_ALL | |
1533 | || convert_debugging)) | |
1534 | return; | |
1535 | ||
1536 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1537 | if (p != NULL) | |
1538 | p->used = true; | |
1539 | ||
f91ea849 ILT |
1540 | if (sections_removed && p != NULL && p->remove) |
1541 | return; | |
1542 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1543 | return; |
1544 | ||
594ef5db NC |
1545 | /* Get the, possibly new, name of the output section. */ |
1546 | name = find_section_rename (ibfd, isection, & flags); | |
1547 | ||
1548 | osection = bfd_make_section_anyway (obfd, name); | |
57938635 | 1549 | |
252b5132 RH |
1550 | if (osection == NULL) |
1551 | { | |
1a89cc7d | 1552 | err = _("making"); |
252b5132 RH |
1553 | goto loser; |
1554 | } | |
1555 | ||
1556 | size = bfd_section_size (ibfd, isection); | |
1557 | if (copy_byte >= 0) | |
1558 | size = (size + interleave - 1) / interleave; | |
1559 | if (! bfd_set_section_size (obfd, osection, size)) | |
1560 | { | |
1a89cc7d | 1561 | err = _("size"); |
252b5132 RH |
1562 | goto loser; |
1563 | } | |
57938635 | 1564 | |
252b5132 RH |
1565 | vma = bfd_section_vma (ibfd, isection); |
1566 | if (p != NULL && p->change_vma == CHANGE_MODIFY) | |
1567 | vma += p->vma_val; | |
1568 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
1569 | vma = p->vma_val; | |
1570 | else | |
1571 | vma += change_section_address; | |
57938635 | 1572 | |
252b5132 RH |
1573 | if (! bfd_set_section_vma (obfd, osection, vma)) |
1574 | { | |
1a89cc7d | 1575 | err = _("vma"); |
252b5132 RH |
1576 | goto loser; |
1577 | } | |
1578 | ||
1579 | lma = isection->lma; | |
1580 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) | |
1581 | { | |
1582 | if (p->change_lma == CHANGE_MODIFY) | |
1583 | lma += p->lma_val; | |
1584 | else if (p->change_lma == CHANGE_SET) | |
1585 | lma = p->lma_val; | |
1586 | else | |
1587 | abort (); | |
1588 | } | |
1589 | else | |
1590 | lma += change_section_address; | |
57938635 | 1591 | |
252b5132 RH |
1592 | osection->lma = lma; |
1593 | ||
1594 | /* FIXME: This is probably not enough. If we change the LMA we | |
1595 | may have to recompute the header for the file as well. */ | |
1596 | if (bfd_set_section_alignment (obfd, | |
1597 | osection, | |
1598 | bfd_section_alignment (ibfd, isection)) | |
1599 | == false) | |
1600 | { | |
1a89cc7d | 1601 | err = _("alignment"); |
252b5132 RH |
1602 | goto loser; |
1603 | } | |
1604 | ||
252b5132 | 1605 | if (p != NULL && p->set_flags) |
17978339 | 1606 | flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC)); |
252b5132 RH |
1607 | if (!bfd_set_section_flags (obfd, osection, flags)) |
1608 | { | |
1a89cc7d | 1609 | err = _("flags"); |
252b5132 RH |
1610 | goto loser; |
1611 | } | |
1612 | ||
bc408b8a JJ |
1613 | /* Copy merge entity size. */ |
1614 | osection->entsize = isection->entsize; | |
1615 | ||
252b5132 RH |
1616 | /* This used to be mangle_section; we do here to avoid using |
1617 | bfd_get_section_by_name since some formats allow multiple | |
1618 | sections with the same name. */ | |
1619 | isection->output_section = osection; | |
1620 | isection->output_offset = 0; | |
1621 | ||
1622 | /* Allow the BFD backend to copy any private data it understands | |
1623 | from the input section to the output section. */ | |
1624 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1625 | { | |
1a89cc7d | 1626 | err = _("private data"); |
252b5132 RH |
1627 | goto loser; |
1628 | } | |
1629 | ||
594ef5db | 1630 | /* All went well. */ |
252b5132 RH |
1631 | return; |
1632 | ||
1633 | loser: | |
1634 | non_fatal (_("%s: section `%s': error in %s: %s"), | |
1635 | bfd_get_filename (ibfd), | |
1636 | bfd_section_name (ibfd, isection), | |
1637 | err, bfd_errmsg (bfd_get_error ())); | |
1638 | status = 1; | |
1639 | } | |
1640 | ||
1641 | /* Copy the data of input section ISECTION of IBFD | |
1642 | to an output section with the same name in OBFD. | |
1643 | If stripping then don't copy any relocation info. */ | |
1644 | ||
1645 | static void | |
1646 | copy_section (ibfd, isection, obfdarg) | |
1647 | bfd *ibfd; | |
1648 | sec_ptr isection; | |
1649 | PTR obfdarg; | |
1650 | { | |
1651 | bfd *obfd = (bfd *) obfdarg; | |
1652 | struct section_list *p; | |
1653 | arelent **relpp; | |
1654 | long relcount; | |
1655 | sec_ptr osection; | |
1656 | bfd_size_type size; | |
1657 | long relsize; | |
1658 | ||
594ef5db NC |
1659 | /* If we have already failed earlier on, |
1660 | do not keep on generating complaints now. */ | |
252b5132 RH |
1661 | if (status != 0) |
1662 | return; | |
57938635 | 1663 | |
252b5132 RH |
1664 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
1665 | && (strip_symbols == STRIP_DEBUG | |
1666 | || strip_symbols == STRIP_UNNEEDED | |
1667 | || strip_symbols == STRIP_ALL | |
1668 | || discard_locals == LOCALS_ALL | |
1669 | || convert_debugging)) | |
e0c60db2 | 1670 | return; |
252b5132 RH |
1671 | |
1672 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1673 | ||
f91ea849 ILT |
1674 | if (sections_removed && p != NULL && p->remove) |
1675 | return; | |
1676 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1677 | return; |
1678 | ||
1679 | osection = isection->output_section; | |
1680 | size = bfd_get_section_size_before_reloc (isection); | |
1681 | ||
1682 | if (size == 0 || osection == 0) | |
1683 | return; | |
1684 | ||
4dd67f29 MS |
1685 | /* Core files do not need to be relocated. */ |
1686 | if (bfd_get_format (obfd) == bfd_core) | |
1687 | relsize = 0; | |
1688 | else | |
1689 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1690 | ||
252b5132 RH |
1691 | if (relsize < 0) |
1692 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1693 | |
252b5132 RH |
1694 | if (relsize == 0) |
1695 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1696 | else | |
1697 | { | |
1698 | relpp = (arelent **) xmalloc (relsize); | |
1699 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1700 | if (relcount < 0) | |
1701 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1702 | |
252b5132 RH |
1703 | if (strip_symbols == STRIP_ALL) |
1704 | { | |
1705 | /* Remove relocations which are not in | |
1706 | keep_strip_specific_list. */ | |
1707 | arelent **temp_relpp; | |
1708 | long temp_relcount = 0; | |
1709 | long i; | |
57938635 | 1710 | |
252b5132 RH |
1711 | temp_relpp = (arelent **) xmalloc (relsize); |
1712 | for (i = 0; i < relcount; i++) | |
1713 | if (is_specified_symbol | |
1714 | (bfd_asymbol_name (*relpp [i]->sym_ptr_ptr), | |
1715 | keep_specific_list)) | |
1716 | temp_relpp [temp_relcount++] = relpp [i]; | |
1717 | relcount = temp_relcount; | |
1718 | free (relpp); | |
1719 | relpp = temp_relpp; | |
1720 | } | |
e0c60db2 | 1721 | |
252b5132 RH |
1722 | bfd_set_reloc (obfd, osection, |
1723 | (relcount == 0 ? (arelent **) NULL : relpp), relcount); | |
1724 | } | |
57938635 | 1725 | |
252b5132 RH |
1726 | isection->_cooked_size = isection->_raw_size; |
1727 | isection->reloc_done = true; | |
1728 | ||
4dd67f29 MS |
1729 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS |
1730 | && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS) | |
252b5132 RH |
1731 | { |
1732 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1733 | ||
1734 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, | |
1735 | size)) | |
1736 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1737 | ||
57938635 | 1738 | if (copy_byte >= 0) |
252b5132 RH |
1739 | filter_bytes (memhunk, &size); |
1740 | ||
1741 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1742 | size)) | |
1743 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1744 | ||
1745 | free (memhunk); | |
1746 | } | |
1747 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) | |
1748 | { | |
1749 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1750 | ||
1751 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1752 | flag--they can just remove the section entirely and add it | |
1753 | back again. However, we do permit them to turn on the | |
1754 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1755 | contents should be zeroed out. */ | |
1756 | ||
1757 | memset (memhunk, 0, size); | |
1758 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1759 | size)) | |
1760 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1761 | free (memhunk); | |
1762 | } | |
1763 | } | |
1764 | ||
1765 | /* Get all the sections. This is used when --gap-fill or --pad-to is | |
1766 | used. */ | |
1767 | ||
1768 | static void | |
1769 | get_sections (obfd, osection, secppparg) | |
b4c96d0d | 1770 | bfd *obfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1771 | asection *osection; |
1772 | PTR secppparg; | |
1773 | { | |
1774 | asection ***secppp = (asection ***) secppparg; | |
1775 | ||
1776 | **secppp = osection; | |
1777 | ++(*secppp); | |
1778 | } | |
1779 | ||
1780 | /* Sort sections by VMA. This is called via qsort, and is used when | |
1781 | --gap-fill or --pad-to is used. We force non loadable or empty | |
1782 | sections to the front, where they are easier to ignore. */ | |
1783 | ||
1784 | static int | |
1785 | compare_section_lma (arg1, arg2) | |
1786 | const PTR arg1; | |
1787 | const PTR arg2; | |
1788 | { | |
1789 | const asection **sec1 = (const asection **) arg1; | |
1790 | const asection **sec2 = (const asection **) arg2; | |
1791 | flagword flags1, flags2; | |
1792 | ||
1793 | /* Sort non loadable sections to the front. */ | |
1794 | flags1 = (*sec1)->flags; | |
1795 | flags2 = (*sec2)->flags; | |
1796 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1797 | || (flags1 & SEC_LOAD) == 0) | |
1798 | { | |
1799 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1800 | && (flags2 & SEC_LOAD) != 0) | |
1801 | return -1; | |
1802 | } | |
1803 | else | |
1804 | { | |
1805 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1806 | || (flags2 & SEC_LOAD) == 0) | |
1807 | return 1; | |
1808 | } | |
1809 | ||
1810 | /* Sort sections by LMA. */ | |
1811 | if ((*sec1)->lma > (*sec2)->lma) | |
1812 | return 1; | |
1813 | else if ((*sec1)->lma < (*sec2)->lma) | |
1814 | return -1; | |
1815 | ||
1816 | /* Sort sections with the same LMA by size. */ | |
1817 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) | |
1818 | return 1; | |
1819 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1820 | return -1; | |
1821 | ||
1822 | return 0; | |
1823 | } | |
1824 | ||
1825 | /* Mark all the symbols which will be used in output relocations with | |
1826 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1827 | ||
1828 | Ignore relocations which will not appear in the output file. */ | |
1829 | ||
1830 | static void | |
1831 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) | |
1832 | bfd *ibfd; | |
1833 | sec_ptr isection; | |
1834 | PTR symbolsarg; | |
1835 | { | |
1836 | asymbol **symbols = (asymbol **) symbolsarg; | |
1837 | long relsize; | |
1838 | arelent **relpp; | |
1839 | long relcount, i; | |
1840 | ||
1841 | /* Ignore an input section with no corresponding output section. */ | |
1842 | if (isection->output_section == NULL) | |
1843 | return; | |
1844 | ||
1845 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1846 | if (relsize < 0) | |
1847 | bfd_fatal (bfd_get_filename (ibfd)); | |
1848 | ||
1849 | if (relsize == 0) | |
1850 | return; | |
1851 | ||
1852 | relpp = (arelent **) xmalloc (relsize); | |
1853 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); | |
1854 | if (relcount < 0) | |
1855 | bfd_fatal (bfd_get_filename (ibfd)); | |
1856 | ||
ec5d57d5 NC |
1857 | /* Examine each symbol used in a relocation. If it's not one of the |
1858 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
252b5132 RH |
1859 | for (i = 0; i < relcount; i++) |
1860 | { | |
ec5d57d5 NC |
1861 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1862 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1863 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
1864 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; | |
252b5132 RH |
1865 | } |
1866 | ||
1867 | if (relpp != NULL) | |
1868 | free (relpp); | |
1869 | } | |
1870 | ||
1871 | /* Write out debugging information. */ | |
1872 | ||
1873 | static boolean | |
1874 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1875 | bfd *obfd; | |
1876 | PTR dhandle; | |
b4c96d0d ILT |
1877 | long *symcountp ATTRIBUTE_UNUSED; |
1878 | asymbol ***symppp ATTRIBUTE_UNUSED; | |
252b5132 RH |
1879 | { |
1880 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1881 | return write_ieee_debugging_info (obfd, dhandle); | |
1882 | ||
1883 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour | |
1884 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1885 | { | |
1886 | bfd_byte *syms, *strings; | |
1887 | bfd_size_type symsize, stringsize; | |
1888 | asection *stabsec, *stabstrsec; | |
1889 | ||
1890 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1891 | &symsize, &strings, | |
1892 | &stringsize)) | |
1893 | return false; | |
1894 | ||
1895 | stabsec = bfd_make_section (obfd, ".stab"); | |
1896 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1897 | if (stabsec == NULL | |
1898 | || stabstrsec == NULL | |
1899 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1900 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1901 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1902 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1903 | || ! bfd_set_section_flags (obfd, stabsec, | |
1904 | (SEC_HAS_CONTENTS | |
1905 | | SEC_READONLY | |
1906 | | SEC_DEBUGGING)) | |
1907 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1908 | (SEC_HAS_CONTENTS | |
1909 | | SEC_READONLY | |
1910 | | SEC_DEBUGGING))) | |
1911 | { | |
1912 | non_fatal (_("%s: can't create debugging section: %s"), | |
1913 | bfd_get_filename (obfd), | |
1914 | bfd_errmsg (bfd_get_error ())); | |
1915 | return false; | |
1916 | } | |
1917 | ||
1918 | /* We can get away with setting the section contents now because | |
1919 | the next thing the caller is going to do is copy over the | |
1920 | real sections. We may someday have to split the contents | |
1921 | setting out of this function. */ | |
1922 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1923 | symsize) | |
1924 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1925 | (file_ptr) 0, stringsize)) | |
1926 | { | |
1927 | non_fatal (_("%s: can't set debugging section contents: %s"), | |
1928 | bfd_get_filename (obfd), | |
1929 | bfd_errmsg (bfd_get_error ())); | |
1930 | return false; | |
1931 | } | |
1932 | ||
1933 | return true; | |
1934 | } | |
1935 | ||
1936 | non_fatal (_("%s: don't know how to write debugging information for %s"), | |
1937 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
1938 | return false; | |
1939 | } | |
1940 | ||
1941 | static int | |
1942 | strip_main (argc, argv) | |
1943 | int argc; | |
1944 | char *argv[]; | |
1945 | { | |
1946 | char *input_target = NULL, *output_target = NULL; | |
1947 | boolean show_version = false; | |
1948 | int c, i; | |
1949 | struct section_list *p; | |
1950 | char *output_file = NULL; | |
1951 | ||
8b53311e | 1952 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVv", |
252b5132 RH |
1953 | strip_options, (int *) 0)) != EOF) |
1954 | { | |
1955 | switch (c) | |
1956 | { | |
1957 | case 'I': | |
1958 | input_target = optarg; | |
1959 | break; | |
1960 | case 'O': | |
1961 | output_target = optarg; | |
1962 | break; | |
1963 | case 'F': | |
1964 | input_target = output_target = optarg; | |
1965 | break; | |
1966 | case 'R': | |
1967 | p = find_section_list (optarg, true); | |
1968 | p->remove = true; | |
1969 | sections_removed = true; | |
1970 | break; | |
1971 | case 's': | |
1972 | strip_symbols = STRIP_ALL; | |
1973 | break; | |
1974 | case 'S': | |
1975 | case 'g': | |
db4f6831 | 1976 | case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */ |
252b5132 RH |
1977 | strip_symbols = STRIP_DEBUG; |
1978 | break; | |
1979 | case OPTION_STRIP_UNNEEDED: | |
1980 | strip_symbols = STRIP_UNNEEDED; | |
1981 | break; | |
1982 | case 'K': | |
1983 | add_specific_symbol (optarg, &keep_specific_list); | |
1984 | break; | |
1985 | case 'N': | |
1986 | add_specific_symbol (optarg, &strip_specific_list); | |
1987 | break; | |
1988 | case 'o': | |
1989 | output_file = optarg; | |
1990 | break; | |
1991 | case 'p': | |
1992 | preserve_dates = true; | |
1993 | break; | |
1994 | case 'x': | |
1995 | discard_locals = LOCALS_ALL; | |
1996 | break; | |
1997 | case 'X': | |
1998 | discard_locals = LOCALS_START_L; | |
1999 | break; | |
2000 | case 'v': | |
2001 | verbose = true; | |
2002 | break; | |
2003 | case 'V': | |
2004 | show_version = true; | |
2005 | break; | |
2006 | case 0: | |
594ef5db NC |
2007 | /* We've been given a long option. */ |
2008 | break; | |
8b53311e | 2009 | case 'H': |
252b5132 RH |
2010 | case 'h': |
2011 | strip_usage (stdout, 0); | |
2012 | default: | |
2013 | strip_usage (stderr, 1); | |
2014 | } | |
2015 | } | |
2016 | ||
2017 | if (show_version) | |
2018 | print_version ("strip"); | |
2019 | ||
2020 | /* Default is to strip all symbols. */ | |
2021 | if (strip_symbols == STRIP_UNDEF | |
2022 | && discard_locals == LOCALS_UNDEF | |
2023 | && strip_specific_list == NULL) | |
2024 | strip_symbols = STRIP_ALL; | |
2025 | ||
2026 | if (output_target == (char *) NULL) | |
2027 | output_target = input_target; | |
2028 | ||
2029 | i = optind; | |
2030 | if (i == argc | |
2031 | || (output_file != NULL && (i + 1) < argc)) | |
2032 | strip_usage (stderr, 1); | |
2033 | ||
2034 | for (; i < argc; i++) | |
2035 | { | |
2036 | int hold_status = status; | |
2037 | struct stat statbuf; | |
2038 | char *tmpname; | |
2039 | ||
2040 | if (preserve_dates) | |
2041 | { | |
2042 | if (stat (argv[i], &statbuf) < 0) | |
2043 | { | |
2044 | non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno)); | |
2045 | continue; | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | if (output_file != NULL) | |
2050 | tmpname = output_file; | |
2051 | else | |
2052 | tmpname = make_tempname (argv[i]); | |
2053 | status = 0; | |
2054 | ||
2055 | copy_file (argv[i], tmpname, input_target, output_target); | |
2056 | if (status == 0) | |
2057 | { | |
2058 | if (preserve_dates) | |
2059 | set_times (tmpname, &statbuf); | |
2060 | if (output_file == NULL) | |
2061 | smart_rename (tmpname, argv[i], preserve_dates); | |
2062 | status = hold_status; | |
2063 | } | |
2064 | else | |
2065 | unlink (tmpname); | |
2066 | if (output_file == NULL) | |
2067 | free (tmpname); | |
2068 | } | |
2069 | ||
2070 | return 0; | |
2071 | } | |
2072 | ||
2073 | static int | |
2074 | copy_main (argc, argv) | |
2075 | int argc; | |
2076 | char *argv[]; | |
2077 | { | |
43a0748c | 2078 | char * binary_architecture = NULL; |
252b5132 RH |
2079 | char *input_filename = NULL, *output_filename = NULL; |
2080 | char *input_target = NULL, *output_target = NULL; | |
2081 | boolean show_version = false; | |
2082 | boolean change_warn = true; | |
2083 | int c; | |
2084 | struct section_list *p; | |
2085 | struct stat statbuf; | |
2086 | ||
8b53311e | 2087 | while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:", |
252b5132 RH |
2088 | copy_options, (int *) 0)) != EOF) |
2089 | { | |
2090 | switch (c) | |
2091 | { | |
2092 | case 'b': | |
2093 | copy_byte = atoi (optarg); | |
2094 | if (copy_byte < 0) | |
2095 | fatal (_("byte number must be non-negative")); | |
2096 | break; | |
57938635 | 2097 | |
43a0748c NC |
2098 | case 'B': |
2099 | binary_architecture = optarg; | |
2100 | break; | |
2101 | ||
252b5132 RH |
2102 | case 'i': |
2103 | interleave = atoi (optarg); | |
2104 | if (interleave < 1) | |
2105 | fatal (_("interleave must be positive")); | |
2106 | break; | |
57938635 | 2107 | |
252b5132 RH |
2108 | case 'I': |
2109 | case 's': /* "source" - 'I' is preferred */ | |
2110 | input_target = optarg; | |
2111 | break; | |
57938635 | 2112 | |
252b5132 RH |
2113 | case 'O': |
2114 | case 'd': /* "destination" - 'O' is preferred */ | |
2115 | output_target = optarg; | |
2116 | break; | |
57938635 | 2117 | |
252b5132 RH |
2118 | case 'F': |
2119 | input_target = output_target = optarg; | |
2120 | break; | |
57938635 | 2121 | |
f91ea849 ILT |
2122 | case 'j': |
2123 | p = find_section_list (optarg, true); | |
2124 | if (p->remove) | |
2125 | fatal (_("%s both copied and removed"), optarg); | |
2126 | p->copy = true; | |
2127 | sections_copied = true; | |
2128 | break; | |
57938635 | 2129 | |
252b5132 RH |
2130 | case 'R': |
2131 | p = find_section_list (optarg, true); | |
f91ea849 ILT |
2132 | if (p->copy) |
2133 | fatal (_("%s both copied and removed"), optarg); | |
252b5132 RH |
2134 | p->remove = true; |
2135 | sections_removed = true; | |
2136 | break; | |
57938635 | 2137 | |
252b5132 RH |
2138 | case 'S': |
2139 | strip_symbols = STRIP_ALL; | |
2140 | break; | |
57938635 | 2141 | |
252b5132 RH |
2142 | case 'g': |
2143 | strip_symbols = STRIP_DEBUG; | |
2144 | break; | |
57938635 | 2145 | |
252b5132 RH |
2146 | case OPTION_STRIP_UNNEEDED: |
2147 | strip_symbols = STRIP_UNNEEDED; | |
2148 | break; | |
57938635 | 2149 | |
252b5132 RH |
2150 | case 'K': |
2151 | add_specific_symbol (optarg, &keep_specific_list); | |
2152 | break; | |
57938635 | 2153 | |
252b5132 RH |
2154 | case 'N': |
2155 | add_specific_symbol (optarg, &strip_specific_list); | |
2156 | break; | |
57938635 | 2157 | |
252b5132 RH |
2158 | case 'L': |
2159 | add_specific_symbol (optarg, &localize_specific_list); | |
2160 | break; | |
57938635 | 2161 | |
16b2b71c NC |
2162 | case 'G': |
2163 | add_specific_symbol (optarg, &keepglobal_specific_list); | |
2164 | break; | |
2165 | ||
252b5132 RH |
2166 | case 'W': |
2167 | add_specific_symbol (optarg, &weaken_specific_list); | |
2168 | break; | |
57938635 | 2169 | |
252b5132 RH |
2170 | case 'p': |
2171 | preserve_dates = true; | |
2172 | break; | |
57938635 | 2173 | |
252b5132 RH |
2174 | case 'x': |
2175 | discard_locals = LOCALS_ALL; | |
2176 | break; | |
57938635 | 2177 | |
252b5132 RH |
2178 | case 'X': |
2179 | discard_locals = LOCALS_START_L; | |
2180 | break; | |
57938635 | 2181 | |
252b5132 RH |
2182 | case 'v': |
2183 | verbose = true; | |
2184 | break; | |
57938635 | 2185 | |
252b5132 RH |
2186 | case 'V': |
2187 | show_version = true; | |
2188 | break; | |
57938635 | 2189 | |
252b5132 RH |
2190 | case OPTION_WEAKEN: |
2191 | weaken = true; | |
2192 | break; | |
57938635 | 2193 | |
252b5132 RH |
2194 | case OPTION_ADD_SECTION: |
2195 | { | |
2196 | const char *s; | |
2197 | struct stat st; | |
2198 | struct section_add *pa; | |
2199 | int len; | |
2200 | char *name; | |
2201 | FILE *f; | |
2202 | ||
2203 | s = strchr (optarg, '='); | |
57938635 | 2204 | |
252b5132 | 2205 | if (s == NULL) |
57938635 | 2206 | fatal (_("bad format for %s"), "--add-section"); |
252b5132 RH |
2207 | |
2208 | if (stat (s + 1, & st) < 0) | |
2209 | fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno)); | |
2210 | ||
2211 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
2212 | ||
2213 | len = s - optarg; | |
2214 | name = (char *) xmalloc (len + 1); | |
2215 | strncpy (name, optarg, len); | |
2216 | name[len] = '\0'; | |
2217 | pa->name = name; | |
2218 | ||
2219 | pa->filename = s + 1; | |
2220 | ||
2221 | pa->size = st.st_size; | |
2222 | ||
2223 | pa->contents = (bfd_byte *) xmalloc (pa->size); | |
2224 | f = fopen (pa->filename, FOPEN_RB); | |
57938635 | 2225 | |
252b5132 RH |
2226 | if (f == NULL) |
2227 | fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno)); | |
57938635 | 2228 | |
252b5132 RH |
2229 | if (fread (pa->contents, 1, pa->size, f) == 0 |
2230 | || ferror (f)) | |
2231 | fatal (_("%s: fread failed"), pa->filename); | |
2232 | ||
2233 | fclose (f); | |
2234 | ||
2235 | pa->next = add_sections; | |
2236 | add_sections = pa; | |
2237 | } | |
2238 | break; | |
57938635 | 2239 | |
252b5132 RH |
2240 | case OPTION_CHANGE_START: |
2241 | change_start = parse_vma (optarg, "--change-start"); | |
2242 | break; | |
57938635 | 2243 | |
252b5132 RH |
2244 | case OPTION_CHANGE_SECTION_ADDRESS: |
2245 | case OPTION_CHANGE_SECTION_LMA: | |
2246 | case OPTION_CHANGE_SECTION_VMA: | |
2247 | { | |
2248 | const char *s; | |
2249 | int len; | |
2250 | char *name; | |
b4c96d0d | 2251 | char *option = NULL; |
252b5132 | 2252 | bfd_vma val; |
b4c96d0d | 2253 | enum change_action what = CHANGE_IGNORE; |
57938635 | 2254 | |
252b5132 RH |
2255 | switch (c) |
2256 | { | |
b4c96d0d ILT |
2257 | case OPTION_CHANGE_SECTION_ADDRESS: |
2258 | option = "--change-section-address"; | |
2259 | break; | |
2260 | case OPTION_CHANGE_SECTION_LMA: | |
2261 | option = "--change-section-lma"; | |
2262 | break; | |
2263 | case OPTION_CHANGE_SECTION_VMA: | |
2264 | option = "--change-section-vma"; | |
2265 | break; | |
252b5132 | 2266 | } |
57938635 | 2267 | |
252b5132 RH |
2268 | s = strchr (optarg, '='); |
2269 | if (s == NULL) | |
2270 | { | |
2271 | s = strchr (optarg, '+'); | |
2272 | if (s == NULL) | |
2273 | { | |
2274 | s = strchr (optarg, '-'); | |
2275 | if (s == NULL) | |
2276 | fatal (_("bad format for %s"), option); | |
2277 | } | |
2278 | } | |
2279 | ||
2280 | len = s - optarg; | |
2281 | name = (char *) xmalloc (len + 1); | |
2282 | strncpy (name, optarg, len); | |
2283 | name[len] = '\0'; | |
2284 | ||
2285 | p = find_section_list (name, true); | |
2286 | ||
2287 | val = parse_vma (s + 1, option); | |
2288 | ||
2289 | switch (*s) | |
2290 | { | |
2291 | case '=': what = CHANGE_SET; break; | |
2292 | case '-': val = - val; /* Drop through. */ | |
2293 | case '+': what = CHANGE_MODIFY; break; | |
2294 | } | |
57938635 | 2295 | |
252b5132 RH |
2296 | switch (c) |
2297 | { | |
2298 | case OPTION_CHANGE_SECTION_ADDRESS: | |
2299 | p->change_vma = what; | |
2300 | p->vma_val = val; | |
2301 | /* Drop through. */ | |
57938635 | 2302 | |
252b5132 RH |
2303 | case OPTION_CHANGE_SECTION_LMA: |
2304 | p->change_lma = what; | |
2305 | p->lma_val = val; | |
2306 | break; | |
57938635 | 2307 | |
252b5132 RH |
2308 | case OPTION_CHANGE_SECTION_VMA: |
2309 | p->change_vma = what; | |
2310 | p->vma_val = val; | |
2311 | break; | |
2312 | } | |
2313 | } | |
2314 | break; | |
57938635 | 2315 | |
252b5132 RH |
2316 | case OPTION_CHANGE_ADDRESSES: |
2317 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
2318 | change_start = change_section_address; | |
2319 | break; | |
57938635 | 2320 | |
252b5132 RH |
2321 | case OPTION_CHANGE_WARNINGS: |
2322 | change_warn = true; | |
2323 | break; | |
57938635 | 2324 | |
252b5132 RH |
2325 | case OPTION_CHANGE_LEADING_CHAR: |
2326 | change_leading_char = true; | |
2327 | break; | |
57938635 | 2328 | |
252b5132 RH |
2329 | case OPTION_DEBUGGING: |
2330 | convert_debugging = true; | |
2331 | break; | |
57938635 | 2332 | |
252b5132 RH |
2333 | case OPTION_GAP_FILL: |
2334 | { | |
2335 | bfd_vma gap_fill_vma; | |
2336 | ||
2337 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2338 | gap_fill = (bfd_byte) gap_fill_vma; | |
2339 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2340 | { | |
2341 | char buff[20]; | |
57938635 | 2342 | |
252b5132 | 2343 | sprintf_vma (buff, gap_fill_vma); |
57938635 | 2344 | |
252b5132 RH |
2345 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), |
2346 | buff, gap_fill); | |
2347 | } | |
2348 | gap_fill_set = true; | |
2349 | } | |
2350 | break; | |
57938635 | 2351 | |
252b5132 RH |
2352 | case OPTION_NO_CHANGE_WARNINGS: |
2353 | change_warn = false; | |
2354 | break; | |
57938635 | 2355 | |
252b5132 RH |
2356 | case OPTION_PAD_TO: |
2357 | pad_to = parse_vma (optarg, "--pad-to"); | |
2358 | pad_to_set = true; | |
2359 | break; | |
57938635 | 2360 | |
252b5132 RH |
2361 | case OPTION_REMOVE_LEADING_CHAR: |
2362 | remove_leading_char = true; | |
2363 | break; | |
57938635 AM |
2364 | |
2365 | case OPTION_REDEFINE_SYM: | |
2366 | { | |
2367 | /* Push this redefinition onto redefine_symbol_list. */ | |
2368 | ||
2369 | int len; | |
2370 | const char *s; | |
2371 | const char *nextarg; | |
2372 | char *source, *target; | |
2373 | ||
2374 | s = strchr (optarg, '='); | |
2375 | if (s == NULL) | |
594ef5db | 2376 | fatal (_("bad format for %s"), "--redefine-sym"); |
57938635 AM |
2377 | |
2378 | len = s - optarg; | |
2379 | source = (char *) xmalloc (len + 1); | |
2380 | strncpy (source, optarg, len); | |
2381 | source[len] = '\0'; | |
2382 | ||
2383 | nextarg = s + 1; | |
2384 | len = strlen (nextarg); | |
2385 | target = (char *) xmalloc (len + 1); | |
2386 | strcpy (target, nextarg); | |
2387 | ||
2388 | redefine_list_append (source, target); | |
2389 | ||
2390 | free (source); | |
2391 | free (target); | |
2392 | } | |
2393 | break; | |
2394 | ||
252b5132 RH |
2395 | case OPTION_SET_SECTION_FLAGS: |
2396 | { | |
2397 | const char *s; | |
2398 | int len; | |
2399 | char *name; | |
2400 | ||
2401 | s = strchr (optarg, '='); | |
2402 | if (s == NULL) | |
57938635 | 2403 | fatal (_("bad format for %s"), "--set-section-flags"); |
252b5132 RH |
2404 | |
2405 | len = s - optarg; | |
2406 | name = (char *) xmalloc (len + 1); | |
2407 | strncpy (name, optarg, len); | |
2408 | name[len] = '\0'; | |
2409 | ||
2410 | p = find_section_list (name, true); | |
2411 | ||
2412 | p->set_flags = true; | |
2413 | p->flags = parse_flags (s + 1); | |
2414 | } | |
2415 | break; | |
57938635 | 2416 | |
594ef5db NC |
2417 | case OPTION_RENAME_SECTION: |
2418 | { | |
2419 | flagword flags; | |
3bcfb3e4 AM |
2420 | const char *eq, *fl; |
2421 | char *old_name; | |
2422 | char *new_name; | |
594ef5db NC |
2423 | unsigned int len; |
2424 | ||
3bcfb3e4 AM |
2425 | eq = strchr (optarg, '='); |
2426 | if (eq == NULL) | |
594ef5db NC |
2427 | fatal (_("bad format for %s"), "--rename-section"); |
2428 | ||
3bcfb3e4 | 2429 | len = eq - optarg; |
594ef5db | 2430 | if (len == 0) |
3bcfb3e4 | 2431 | fatal (_("bad format for %s"), "--rename-section"); |
594ef5db NC |
2432 | |
2433 | old_name = (char *) xmalloc (len + 1); | |
2434 | strncpy (old_name, optarg, len); | |
2435 | old_name[len] = 0; | |
2436 | ||
3bcfb3e4 AM |
2437 | eq++; |
2438 | fl = strchr (eq, ','); | |
2439 | if (fl) | |
594ef5db | 2440 | { |
3bcfb3e4 AM |
2441 | flags = parse_flags (fl + 1); |
2442 | len = fl - eq; | |
594ef5db NC |
2443 | } |
2444 | else | |
2445 | { | |
594ef5db | 2446 | flags = -1; |
3bcfb3e4 | 2447 | len = strlen (eq); |
594ef5db NC |
2448 | } |
2449 | ||
3bcfb3e4 AM |
2450 | if (len == 0) |
2451 | fatal (_("bad format for %s"), "--rename-section"); | |
2452 | ||
2453 | new_name = (char *) xmalloc (len + 1); | |
2454 | strncpy (new_name, eq, len); | |
2455 | new_name[len] = 0; | |
2456 | ||
594ef5db NC |
2457 | add_section_rename (old_name, new_name, flags); |
2458 | } | |
2459 | break; | |
2460 | ||
252b5132 RH |
2461 | case OPTION_SET_START: |
2462 | set_start = parse_vma (optarg, "--set-start"); | |
2463 | set_start_set = true; | |
2464 | break; | |
57938635 | 2465 | |
420496c1 NC |
2466 | case OPTION_SREC_LEN: |
2467 | Chunk = parse_vma (optarg, "--srec-len"); | |
2468 | break; | |
2469 | ||
2470 | case OPTION_SREC_FORCES3: | |
2471 | S3Forced = true; | |
2472 | break; | |
2473 | ||
16b2b71c NC |
2474 | case OPTION_STRIP_SYMBOLS: |
2475 | add_specific_symbols (optarg, &strip_specific_list); | |
2476 | break; | |
2477 | ||
2478 | case OPTION_KEEP_SYMBOLS: | |
2479 | add_specific_symbols (optarg, &keep_specific_list); | |
2480 | break; | |
2481 | ||
2482 | case OPTION_LOCALIZE_SYMBOLS: | |
2483 | add_specific_symbols (optarg, &localize_specific_list); | |
2484 | break; | |
2485 | ||
2486 | case OPTION_KEEPGLOBAL_SYMBOLS: | |
2487 | add_specific_symbols (optarg, &keepglobal_specific_list); | |
2488 | break; | |
2489 | ||
2490 | case OPTION_WEAKEN_SYMBOLS: | |
2491 | add_specific_symbols (optarg, &weaken_specific_list); | |
2492 | break; | |
2493 | ||
1ae8b3d2 AO |
2494 | case OPTION_ALT_MACH_CODE: |
2495 | use_alt_mach_code = atoi (optarg); | |
2496 | if (use_alt_mach_code <= 0) | |
2497 | fatal (_("alternate machine code index must be positive")); | |
2498 | break; | |
2499 | ||
252b5132 RH |
2500 | case 0: |
2501 | break; /* we've been given a long option */ | |
57938635 | 2502 | |
8b53311e | 2503 | case 'H': |
252b5132 RH |
2504 | case 'h': |
2505 | copy_usage (stdout, 0); | |
57938635 | 2506 | |
252b5132 RH |
2507 | default: |
2508 | copy_usage (stderr, 1); | |
2509 | } | |
2510 | } | |
2511 | ||
2512 | if (show_version) | |
2513 | print_version ("objcopy"); | |
2514 | ||
2515 | if (copy_byte >= interleave) | |
2516 | fatal (_("byte number must be less than interleave")); | |
2517 | ||
2518 | if (optind == argc || optind + 2 < argc) | |
2519 | copy_usage (stderr, 1); | |
2520 | ||
2521 | input_filename = argv[optind]; | |
2522 | if (optind + 1 < argc) | |
2523 | output_filename = argv[optind + 1]; | |
2524 | ||
2525 | /* Default is to strip no symbols. */ | |
2526 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) | |
2527 | strip_symbols = STRIP_NONE; | |
2528 | ||
2529 | if (output_target == (char *) NULL) | |
2530 | output_target = input_target; | |
2531 | ||
43a0748c | 2532 | if (binary_architecture != (char *) NULL) |
252b5132 | 2533 | { |
43a0748c NC |
2534 | if (input_target && strcmp (input_target, "binary") == 0) |
2535 | { | |
2536 | const bfd_arch_info_type * temp_arch_info; | |
2537 | ||
2538 | temp_arch_info = bfd_scan_arch (binary_architecture); | |
2539 | ||
2540 | if (temp_arch_info != NULL) | |
2541 | bfd_external_binary_architecture = temp_arch_info->arch; | |
2542 | else | |
2543 | fatal (_("architecture %s unknown"), binary_architecture); | |
2544 | } | |
2545 | else | |
2546 | { | |
2547 | non_fatal (_("Warning: input target 'binary' required for binary architecture parameter.")); | |
2548 | non_fatal (_(" Argument %s ignored"), binary_architecture); | |
2549 | } | |
252b5132 RH |
2550 | } |
2551 | ||
43a0748c NC |
2552 | if (preserve_dates) |
2553 | if (stat (input_filename, & statbuf) < 0) | |
2554 | fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno)); | |
2555 | ||
252b5132 RH |
2556 | /* If there is no destination file then create a temp and rename |
2557 | the result into the input. */ | |
2558 | ||
2559 | if (output_filename == (char *) NULL) | |
2560 | { | |
2561 | char *tmpname = make_tempname (input_filename); | |
2562 | ||
2563 | copy_file (input_filename, tmpname, input_target, output_target); | |
2564 | if (status == 0) | |
57938635 | 2565 | { |
252b5132 RH |
2566 | if (preserve_dates) |
2567 | set_times (tmpname, &statbuf); | |
2568 | smart_rename (tmpname, input_filename, preserve_dates); | |
2569 | } | |
2570 | else | |
2571 | unlink (tmpname); | |
2572 | } | |
2573 | else | |
2574 | { | |
2575 | copy_file (input_filename, output_filename, input_target, output_target); | |
594ef5db | 2576 | |
252b5132 RH |
2577 | if (status == 0 && preserve_dates) |
2578 | set_times (output_filename, &statbuf); | |
2579 | } | |
2580 | ||
2581 | if (change_warn) | |
2582 | { | |
2583 | for (p = change_sections; p != NULL; p = p->next) | |
2584 | { | |
2585 | if (! p->used) | |
2586 | { | |
2587 | if (p->change_vma != CHANGE_IGNORE) | |
2588 | { | |
2589 | char buff [20]; | |
2590 | ||
2591 | sprintf_vma (buff, p->vma_val); | |
57938635 | 2592 | |
252b5132 | 2593 | /* xgettext:c-format */ |
57938635 AM |
2594 | non_fatal (_("%s %s%c0x%s never used"), |
2595 | "--change-section-vma", | |
252b5132 RH |
2596 | p->name, |
2597 | p->change_vma == CHANGE_SET ? '=' : '+', | |
2598 | buff); | |
2599 | } | |
57938635 | 2600 | |
252b5132 RH |
2601 | if (p->change_lma != CHANGE_IGNORE) |
2602 | { | |
2603 | char buff [20]; | |
2604 | ||
2605 | sprintf_vma (buff, p->lma_val); | |
57938635 | 2606 | |
252b5132 | 2607 | /* xgettext:c-format */ |
57938635 AM |
2608 | non_fatal (_("%s %s%c0x%s never used"), |
2609 | "--change-section-lma", | |
252b5132 RH |
2610 | p->name, |
2611 | p->change_lma == CHANGE_SET ? '=' : '+', | |
2612 | buff); | |
2613 | } | |
2614 | } | |
2615 | } | |
2616 | } | |
2617 | ||
2618 | return 0; | |
2619 | } | |
2620 | ||
65de42c0 TS |
2621 | int main PARAMS ((int, char **)); |
2622 | ||
252b5132 RH |
2623 | int |
2624 | main (argc, argv) | |
2625 | int argc; | |
2626 | char *argv[]; | |
2627 | { | |
2628 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
2629 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
2630 | #endif |
2631 | #if defined (HAVE_SETLOCALE) | |
2632 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
2633 | #endif |
2634 | bindtextdomain (PACKAGE, LOCALEDIR); | |
2635 | textdomain (PACKAGE); | |
2636 | ||
2637 | program_name = argv[0]; | |
2638 | xmalloc_set_program_name (program_name); | |
2639 | ||
2640 | START_PROGRESS (program_name, 0); | |
2641 | ||
2642 | strip_symbols = STRIP_UNDEF; | |
2643 | discard_locals = LOCALS_UNDEF; | |
2644 | ||
2645 | bfd_init (); | |
2646 | set_default_bfd_target (); | |
2647 | ||
2648 | if (is_strip < 0) | |
2649 | { | |
2650 | int i = strlen (program_name); | |
5af11cab AM |
2651 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
2652 | /* Drop the .exe suffix, if any. */ | |
2653 | if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0) | |
2654 | { | |
2655 | i -= 4; | |
2656 | program_name[i] = '\0'; | |
2657 | } | |
2658 | #endif | |
2659 | is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0); | |
252b5132 RH |
2660 | } |
2661 | ||
2662 | if (is_strip) | |
2663 | strip_main (argc, argv); | |
2664 | else | |
2665 | copy_main (argc, argv); | |
2666 | ||
2667 | END_PROGRESS (program_name); | |
2668 | ||
2669 | return status; | |
2670 | } |