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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 | ||
174 | /* List of sections to add. */ | |
252b5132 RH |
175 | struct section_add |
176 | { | |
177 | /* Next section to add. */ | |
178 | struct section_add *next; | |
179 | /* Name of section to add. */ | |
180 | const char *name; | |
181 | /* Name of file holding section contents. */ | |
182 | const char *filename; | |
183 | /* Size of file. */ | |
184 | size_t size; | |
185 | /* Contents of file. */ | |
186 | bfd_byte *contents; | |
187 | /* BFD section, after it has been added. */ | |
188 | asection *section; | |
189 | }; | |
190 | ||
594ef5db | 191 | /* List of sections to add to the output BFD. */ |
252b5132 RH |
192 | static struct section_add *add_sections; |
193 | ||
194 | /* Whether to convert debugging information. */ | |
252b5132 RH |
195 | static boolean convert_debugging = false; |
196 | ||
197 | /* Whether to change the leading character in symbol names. */ | |
252b5132 RH |
198 | static boolean change_leading_char = false; |
199 | ||
200 | /* Whether to remove the leading character from global symbol names. */ | |
252b5132 RH |
201 | static boolean remove_leading_char = false; |
202 | ||
16b2b71c NC |
203 | /* List of symbols to strip, keep, localize, keep-global, weaken, |
204 | or redefine. */ | |
252b5132 RH |
205 | static struct symlist *strip_specific_list = NULL; |
206 | static struct symlist *keep_specific_list = NULL; | |
207 | static struct symlist *localize_specific_list = NULL; | |
16b2b71c | 208 | static struct symlist *keepglobal_specific_list = NULL; |
252b5132 | 209 | static struct symlist *weaken_specific_list = NULL; |
57938635 | 210 | static struct redefine_node *redefine_sym_list = NULL; |
252b5132 RH |
211 | |
212 | /* If this is true, we weaken global symbols (set BSF_WEAK). */ | |
252b5132 RH |
213 | static boolean weaken = false; |
214 | ||
215 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ | |
216 | ||
217 | #define OPTION_ADD_SECTION 150 | |
218 | #define OPTION_CHANGE_ADDRESSES (OPTION_ADD_SECTION + 1) | |
219 | #define OPTION_CHANGE_LEADING_CHAR (OPTION_CHANGE_ADDRESSES + 1) | |
220 | #define OPTION_CHANGE_START (OPTION_CHANGE_LEADING_CHAR + 1) | |
221 | #define OPTION_CHANGE_SECTION_ADDRESS (OPTION_CHANGE_START + 1) | |
222 | #define OPTION_CHANGE_SECTION_LMA (OPTION_CHANGE_SECTION_ADDRESS + 1) | |
223 | #define OPTION_CHANGE_SECTION_VMA (OPTION_CHANGE_SECTION_LMA + 1) | |
224 | #define OPTION_CHANGE_WARNINGS (OPTION_CHANGE_SECTION_VMA + 1) | |
225 | #define OPTION_DEBUGGING (OPTION_CHANGE_WARNINGS + 1) | |
226 | #define OPTION_GAP_FILL (OPTION_DEBUGGING + 1) | |
227 | #define OPTION_NO_CHANGE_WARNINGS (OPTION_GAP_FILL + 1) | |
228 | #define OPTION_PAD_TO (OPTION_NO_CHANGE_WARNINGS + 1) | |
229 | #define OPTION_REMOVE_LEADING_CHAR (OPTION_PAD_TO + 1) | |
230 | #define OPTION_SET_SECTION_FLAGS (OPTION_REMOVE_LEADING_CHAR + 1) | |
231 | #define OPTION_SET_START (OPTION_SET_SECTION_FLAGS + 1) | |
232 | #define OPTION_STRIP_UNNEEDED (OPTION_SET_START + 1) | |
233 | #define OPTION_WEAKEN (OPTION_STRIP_UNNEEDED + 1) | |
57938635 | 234 | #define OPTION_REDEFINE_SYM (OPTION_WEAKEN + 1) |
420496c1 NC |
235 | #define OPTION_SREC_LEN (OPTION_REDEFINE_SYM + 1) |
236 | #define OPTION_SREC_FORCES3 (OPTION_SREC_LEN + 1) | |
16b2b71c NC |
237 | #define OPTION_STRIP_SYMBOLS (OPTION_SREC_FORCES3 + 1) |
238 | #define OPTION_KEEP_SYMBOLS (OPTION_STRIP_SYMBOLS + 1) | |
239 | #define OPTION_LOCALIZE_SYMBOLS (OPTION_KEEP_SYMBOLS + 1) | |
240 | #define OPTION_KEEPGLOBAL_SYMBOLS (OPTION_LOCALIZE_SYMBOLS + 1) | |
241 | #define OPTION_WEAKEN_SYMBOLS (OPTION_KEEPGLOBAL_SYMBOLS + 1) | |
594ef5db | 242 | #define OPTION_RENAME_SECTION (OPTION_WEAKEN_SYMBOLS + 1) |
252b5132 RH |
243 | |
244 | /* Options to handle if running as "strip". */ | |
245 | ||
246 | static struct option strip_options[] = | |
247 | { | |
248 | {"discard-all", no_argument, 0, 'x'}, | |
249 | {"discard-locals", no_argument, 0, 'X'}, | |
250 | {"format", required_argument, 0, 'F'}, /* Obsolete */ | |
251 | {"help", no_argument, 0, 'h'}, | |
252 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
253 | {"input-target", required_argument, 0, 'I'}, | |
254 | {"keep-symbol", required_argument, 0, 'K'}, | |
255 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
256 | {"output-target", required_argument, 0, 'O'}, | |
af3bdff7 | 257 | {"output-file", required_argument, 0, 'o'}, |
252b5132 RH |
258 | {"preserve-dates", no_argument, 0, 'p'}, |
259 | {"remove-section", required_argument, 0, 'R'}, | |
260 | {"strip-all", no_argument, 0, 's'}, | |
261 | {"strip-debug", no_argument, 0, 'S'}, | |
262 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
263 | {"strip-symbol", required_argument, 0, 'N'}, | |
264 | {"target", required_argument, 0, 'F'}, | |
265 | {"verbose", no_argument, 0, 'v'}, | |
266 | {"version", no_argument, 0, 'V'}, | |
267 | {0, no_argument, 0, 0} | |
268 | }; | |
269 | ||
270 | /* Options to handle if running as "objcopy". */ | |
271 | ||
272 | static struct option copy_options[] = | |
273 | { | |
274 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, | |
275 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, | |
276 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
277 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
278 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
43a0748c | 279 | {"binary-architecture", required_argument, 0, 'B'}, |
252b5132 RH |
280 | {"byte", required_argument, 0, 'b'}, |
281 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
282 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, | |
283 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
284 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
285 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
286 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
287 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
288 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, | |
289 | {"discard-all", no_argument, 0, 'x'}, | |
290 | {"discard-locals", no_argument, 0, 'X'}, | |
f91ea849 | 291 | {"only-section", required_argument, 0, 'j'}, |
252b5132 RH |
292 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
293 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, | |
294 | {"help", no_argument, 0, 'h'}, | |
295 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ | |
296 | {"input-target", required_argument, 0, 'I'}, | |
297 | {"interleave", required_argument, 0, 'i'}, | |
298 | {"keep-symbol", required_argument, 0, 'K'}, | |
299 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
300 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
301 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ | |
302 | {"output-target", required_argument, 0, 'O'}, | |
303 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, | |
304 | {"preserve-dates", no_argument, 0, 'p'}, | |
305 | {"localize-symbol", required_argument, 0, 'L'}, | |
16b2b71c | 306 | {"keep-global-symbol", required_argument, 0, 'G'}, |
252b5132 RH |
307 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
308 | {"remove-section", required_argument, 0, 'R'}, | |
594ef5db | 309 | {"rename-section", required_argument, 0, OPTION_RENAME_SECTION}, |
252b5132 RH |
310 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
311 | {"set-start", required_argument, 0, OPTION_SET_START}, | |
312 | {"strip-all", no_argument, 0, 'S'}, | |
313 | {"strip-debug", no_argument, 0, 'g'}, | |
314 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
315 | {"strip-symbol", required_argument, 0, 'N'}, | |
316 | {"target", required_argument, 0, 'F'}, | |
317 | {"verbose", no_argument, 0, 'v'}, | |
318 | {"version", no_argument, 0, 'V'}, | |
319 | {"weaken", no_argument, 0, OPTION_WEAKEN}, | |
320 | {"weaken-symbol", required_argument, 0, 'W'}, | |
57938635 | 321 | {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM}, |
420496c1 NC |
322 | {"srec-len", required_argument, 0, OPTION_SREC_LEN}, |
323 | {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3}, | |
16b2b71c NC |
324 | {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS}, |
325 | {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS}, | |
326 | {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS}, | |
327 | {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS}, | |
328 | {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS}, | |
252b5132 RH |
329 | {0, no_argument, 0, 0} |
330 | }; | |
331 | ||
332 | /* IMPORTS */ | |
333 | extern char *program_name; | |
334 | ||
335 | /* This flag distinguishes between strip and objcopy: | |
336 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
337 | -1 means if we should use argv[0] to decide. */ | |
338 | extern int is_strip; | |
339 | ||
420496c1 NC |
340 | /* The maximum length of an S record. This variable is declared in srec.c |
341 | and can be modified by the --srec-len parameter. */ | |
342 | extern unsigned int Chunk; | |
343 | ||
344 | /* Restrict the generation of Srecords to type S3 only. | |
345 | This variable is declare in bfd/srec.c and can be toggled | |
346 | on by the --srec-forceS3 command line switch. */ | |
347 | extern boolean S3Forced; | |
252b5132 | 348 | |
43a0748c NC |
349 | /* Defined in bfd/binary.c. Used to set architecture of input binary files. */ |
350 | extern enum bfd_architecture bfd_external_binary_architecture; | |
351 | ||
594ef5db | 352 | \f |
252b5132 RH |
353 | static void |
354 | copy_usage (stream, exit_status) | |
355 | FILE *stream; | |
356 | int exit_status; | |
357 | { | |
d5bcb29d NC |
358 | fprintf (stream, _("Usage: %s <switches> in-file [out-file]\n"), program_name); |
359 | fprintf (stream, _(" The switches are:\n")); | |
252b5132 | 360 | fprintf (stream, _("\ |
d5bcb29d NC |
361 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
362 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
43a0748c | 363 | -B --binary-architecture <arch> Set arch of output file, when input is binary\n\ |
d5bcb29d NC |
364 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ |
365 | --debugging Convert debugging information, if possible\n\ | |
366 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
367 | -j --only-section <name> Only copy section <name> into the output\n\ | |
368 | -R --remove-section <name> Remove section <name> from the output\n\ | |
369 | -S --strip-all Remove all symbol and relocation information\n\ | |
370 | -g --strip-debug Remove all debugging symbols\n\ | |
371 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
372 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
373 | -K --keep-symbol <name> Only copy symbol <name>\n\ | |
374 | -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\ | |
16b2b71c | 375 | -G --keep-global-symbol <name> Localize all symbols except <name>\n\ |
d5bcb29d NC |
376 | -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\ |
377 | --weaken Force all global symbols to be marked as weak\n\ | |
378 | -x --discard-all Remove all non-global symbols\n\ | |
379 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
380 | -i --interleave <number> Only copy one out of every <number> bytes\n\ | |
381 | -b --byte <num> Select byte <num> in every interleaved block\n\ | |
382 | --gap-fill <val> Fill gaps between sections with <val>\n\ | |
383 | --pad-to <addr> Pad the last section up to address <addr>\n\ | |
384 | --set-start <addr> Set the start address to <addr>\n\ | |
385 | {--change-start|--adjust-start} <incr>\n\ | |
386 | Add <incr> to the start address\n\ | |
387 | {--change-addresses|--adjust-vma} <incr>\n\ | |
388 | Add <incr> to LMA, VMA and start addresses\n\ | |
389 | {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\ | |
390 | Change LMA and VMA of section <name> by <val>\n\ | |
391 | --change-section-lma <name>{=|+|-}<val>\n\ | |
392 | Change the LMA of section <name> by <val>\n\ | |
393 | --change-section-vma <name>{=|+|-}<val>\n\ | |
394 | Change the VMA of section <name> by <val>\n\ | |
395 | {--[no-]change-warnings|--[no-]adjust-warnings}\n\ | |
396 | Warn if a named section does not exist\n\ | |
397 | --set-section-flags <name>=<flags>\n\ | |
398 | Set section <name>'s properties to <flags>\n\ | |
399 | --add-section <name>=<file> Add section <name> found in <file> to output\n\ | |
594ef5db | 400 | --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\ |
d5bcb29d NC |
401 | --change-leading-char Force output format's leading character style\n\ |
402 | --remove-leading-char Remove leading character from global symbols\n\ | |
57938635 | 403 | --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\ |
420496c1 NC |
404 | --srec-len <number> Restrict the length of generated Srecords\n\ |
405 | --srec-forceS3 Restrict the type of generated Srecords to S3\n\ | |
16b2b71c NC |
406 | --strip-symbols <file> -N for all symbols listed in <file>\n\ |
407 | --keep-symbols <file> -K for all symbols listed in <file>\n\ | |
408 | --localize-symbols <file> -L for all symbols listed in <file>\n\ | |
409 | --keep-global-symbols <file> -G for all symbols listed in <file>\n\ | |
410 | --weaken-symbols <file> -W for all symbols listed in <file>\n\ | |
d5bcb29d NC |
411 | -v --verbose List all object files modified\n\ |
412 | -V --version Display this program's version number\n\ | |
413 | -h --help Display this output\n\ | |
414 | ")); | |
252b5132 RH |
415 | list_supported_targets (program_name, stream); |
416 | if (exit_status == 0) | |
8ad3436c | 417 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
418 | exit (exit_status); |
419 | } | |
420 | ||
421 | static void | |
422 | strip_usage (stream, exit_status) | |
423 | FILE *stream; | |
424 | int exit_status; | |
425 | { | |
d5bcb29d NC |
426 | fprintf (stream, _("Usage: %s <switches> in-file(s)\n"), program_name); |
427 | fprintf (stream, _(" The switches are:\n")); | |
252b5132 | 428 | fprintf (stream, _("\ |
d5bcb29d NC |
429 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
430 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
431 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ | |
432 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
433 | -R --remove-section <name> Remove section <name> from the output\n\ | |
434 | -s --strip-all Remove all symbol and relocation information\n\ | |
435 | -g -S --strip-debug Remove all debugging symbols\n\ | |
436 | --strip-unneeded Remove all symbols not needed by relocations\n\ | |
437 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
438 | -K --keep-symbol <name> Only copy symbol <name>\n\ | |
439 | -x --discard-all Remove all non-global symbols\n\ | |
440 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
441 | -v --verbose List all object files modified\n\ | |
442 | -V --version Display this program's version number\n\ | |
443 | -h --help Display this output\n\ | |
444 | -o <file> Place stripped output into <file>\n\ | |
445 | ")); | |
446 | ||
252b5132 RH |
447 | list_supported_targets (program_name, stream); |
448 | if (exit_status == 0) | |
8ad3436c | 449 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
450 | exit (exit_status); |
451 | } | |
452 | ||
453 | /* Parse section flags into a flagword, with a fatal error if the | |
454 | string can't be parsed. */ | |
455 | ||
456 | static flagword | |
457 | parse_flags (s) | |
458 | const char *s; | |
459 | { | |
460 | flagword ret; | |
461 | const char *snext; | |
462 | int len; | |
463 | ||
464 | ret = SEC_NO_FLAGS; | |
465 | ||
466 | do | |
467 | { | |
468 | snext = strchr (s, ','); | |
469 | if (snext == NULL) | |
470 | len = strlen (s); | |
471 | else | |
472 | { | |
473 | len = snext - s; | |
474 | ++snext; | |
475 | } | |
476 | ||
477 | if (0) ; | |
478 | #define PARSE_FLAG(fname,fval) \ | |
479 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
480 | PARSE_FLAG ("alloc", SEC_ALLOC); | |
481 | PARSE_FLAG ("load", SEC_LOAD); | |
3994e2c6 | 482 | PARSE_FLAG ("noload", SEC_NEVER_LOAD); |
252b5132 | 483 | PARSE_FLAG ("readonly", SEC_READONLY); |
3994e2c6 | 484 | PARSE_FLAG ("debug", SEC_DEBUGGING); |
252b5132 RH |
485 | PARSE_FLAG ("code", SEC_CODE); |
486 | PARSE_FLAG ("data", SEC_DATA); | |
487 | PARSE_FLAG ("rom", SEC_ROM); | |
3994e2c6 | 488 | PARSE_FLAG ("share", SEC_SHARED); |
252b5132 RH |
489 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
490 | #undef PARSE_FLAG | |
491 | else | |
492 | { | |
493 | char *copy; | |
494 | ||
495 | copy = xmalloc (len + 1); | |
496 | strncpy (copy, s, len); | |
497 | copy[len] = '\0'; | |
498 | non_fatal (_("unrecognized section flag `%s'"), copy); | |
57938635 AM |
499 | fatal (_("supported flags: %s"), |
500 | "alloc, load, noload, readonly, debug, code, data, rom, share, contents"); | |
252b5132 RH |
501 | } |
502 | ||
503 | s = snext; | |
504 | } | |
505 | while (s != NULL); | |
506 | ||
507 | return ret; | |
508 | } | |
509 | ||
510 | /* Find and optionally add an entry in the change_sections list. */ | |
511 | ||
512 | static struct section_list * | |
513 | find_section_list (name, add) | |
514 | const char *name; | |
515 | boolean add; | |
516 | { | |
517 | register struct section_list *p; | |
518 | ||
519 | for (p = change_sections; p != NULL; p = p->next) | |
520 | if (strcmp (p->name, name) == 0) | |
521 | return p; | |
522 | ||
523 | if (! add) | |
524 | return NULL; | |
525 | ||
526 | p = (struct section_list *) xmalloc (sizeof (struct section_list)); | |
527 | p->name = name; | |
528 | p->used = false; | |
529 | p->remove = false; | |
f91ea849 | 530 | p->copy = false; |
252b5132 RH |
531 | p->change_vma = CHANGE_IGNORE; |
532 | p->change_lma = CHANGE_IGNORE; | |
533 | p->vma_val = 0; | |
534 | p->lma_val = 0; | |
535 | p->set_flags = false; | |
536 | p->flags = 0; | |
537 | ||
538 | p->next = change_sections; | |
539 | change_sections = p; | |
540 | ||
541 | return p; | |
542 | } | |
543 | ||
544 | /* Add a symbol to strip_specific_list. */ | |
545 | ||
57938635 | 546 | static void |
252b5132 RH |
547 | add_specific_symbol (name, list) |
548 | const char *name; | |
549 | struct symlist **list; | |
550 | { | |
551 | struct symlist *tmp_list; | |
552 | ||
553 | tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist)); | |
554 | tmp_list->name = name; | |
555 | tmp_list->next = *list; | |
556 | *list = tmp_list; | |
557 | } | |
558 | ||
16b2b71c NC |
559 | /* Add symbols listed in `filename' to strip_specific_list. */ |
560 | ||
561 | #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t') | |
562 | #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0') | |
563 | ||
564 | static void | |
565 | add_specific_symbols (filename, list) | |
566 | const char *filename; | |
567 | struct symlist **list; | |
568 | { | |
569 | struct stat st; | |
570 | FILE * f; | |
571 | char * line; | |
572 | char * buffer; | |
573 | unsigned int line_count; | |
574 | ||
575 | if (stat (filename, & st) < 0) | |
576 | fatal (_("cannot stat: %s: %s"), filename, strerror (errno)); | |
577 | if (st.st_size == 0) | |
578 | return; | |
579 | ||
580 | buffer = (char *) xmalloc (st.st_size + 2); | |
581 | f = fopen (filename, FOPEN_RT); | |
582 | if (f == NULL) | |
583 | fatal (_("cannot open: %s: %s"), filename, strerror (errno)); | |
584 | ||
585 | if (fread (buffer, 1, st.st_size, f) == 0 || ferror (f)) | |
586 | fatal (_("%s: fread failed"), filename); | |
587 | ||
588 | fclose (f); | |
589 | buffer [st.st_size] = '\n'; | |
590 | buffer [st.st_size + 1] = '\0'; | |
591 | ||
592 | line_count = 1; | |
593 | ||
594 | for (line = buffer; * line != '\0'; line ++) | |
595 | { | |
596 | char * eol; | |
597 | char * name; | |
598 | char * name_end; | |
599 | int finished = false; | |
600 | ||
601 | for (eol = line;; eol ++) | |
602 | { | |
603 | switch (* eol) | |
604 | { | |
605 | case '\n': | |
606 | * eol = '\0'; | |
607 | /* Cope with \n\r. */ | |
608 | if (eol[1] == '\r') | |
609 | ++ eol; | |
610 | finished = true; | |
611 | break; | |
612 | ||
613 | case '\r': | |
614 | * eol = '\0'; | |
615 | /* Cope with \r\n. */ | |
616 | if (eol[1] == '\n') | |
617 | ++ eol; | |
618 | finished = true; | |
619 | break; | |
620 | ||
621 | case 0: | |
622 | finished = true; | |
623 | break; | |
624 | ||
625 | case '#': | |
626 | /* Line comment, Terminate the line here, in case a | |
627 | name is present and then allow the rest of the | |
628 | loop to find the real end of the line. */ | |
629 | * eol = '\0'; | |
630 | break; | |
631 | ||
632 | default: | |
633 | break; | |
634 | } | |
635 | ||
636 | if (finished) | |
637 | break; | |
638 | } | |
639 | ||
640 | /* A name may now exist somewhere between 'line' and 'eol'. | |
641 | Strip off leading whitespace and trailing whitespace, | |
642 | then add it to the list. */ | |
643 | for (name = line; IS_WHITESPACE (* name); name ++) | |
644 | ; | |
645 | for (name_end = name; | |
646 | (! IS_WHITESPACE (* name_end)) | |
647 | && (! IS_LINE_TERMINATOR (* name_end)); | |
648 | name_end ++) | |
649 | ; | |
650 | ||
651 | if (! IS_LINE_TERMINATOR (* name_end)) | |
652 | { | |
653 | char * extra; | |
654 | ||
655 | for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++) | |
656 | ; | |
657 | ||
658 | if (! IS_LINE_TERMINATOR (* extra)) | |
659 | non_fatal (_("Ignoring rubbish found on line %d of %s"), | |
660 | line_count, filename); | |
661 | } | |
662 | ||
663 | * name_end = '\0'; | |
664 | ||
665 | if (name_end > name) | |
666 | add_specific_symbol (name, list); | |
667 | ||
668 | /* Advance line pointer to end of line. The 'eol ++' in the for | |
669 | loop above will then advance us to the start of the next line. */ | |
670 | line = eol; | |
671 | line_count ++; | |
672 | } | |
673 | } | |
674 | ||
252b5132 RH |
675 | /* See whether a symbol should be stripped or kept based on |
676 | strip_specific_list and keep_symbols. */ | |
677 | ||
678 | static boolean | |
679 | is_specified_symbol (name, list) | |
680 | const char *name; | |
681 | struct symlist *list; | |
682 | { | |
683 | struct symlist *tmp_list; | |
684 | ||
685 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) | |
594ef5db NC |
686 | if (strcmp (name, tmp_list->name) == 0) |
687 | return true; | |
688 | ||
252b5132 RH |
689 | return false; |
690 | } | |
691 | ||
692 | /* See if a section is being removed. */ | |
693 | ||
694 | static boolean | |
695 | is_strip_section (abfd, sec) | |
b4c96d0d | 696 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
697 | asection *sec; |
698 | { | |
699 | struct section_list *p; | |
700 | ||
701 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0 | |
702 | && (strip_symbols == STRIP_DEBUG | |
703 | || strip_symbols == STRIP_UNNEEDED | |
704 | || strip_symbols == STRIP_ALL | |
705 | || discard_locals == LOCALS_ALL | |
706 | || convert_debugging)) | |
707 | return true; | |
708 | ||
f91ea849 | 709 | if (! sections_removed && ! sections_copied) |
252b5132 | 710 | return false; |
f91ea849 | 711 | |
252b5132 | 712 | p = find_section_list (bfd_get_section_name (abfd, sec), false); |
f91ea849 ILT |
713 | if (sections_removed && p != NULL && p->remove) |
714 | return true; | |
715 | if (sections_copied && (p == NULL || ! p->copy)) | |
716 | return true; | |
717 | return false; | |
252b5132 RH |
718 | } |
719 | ||
720 | /* Choose which symbol entries to copy; put the result in OSYMS. | |
721 | We don't copy in place, because that confuses the relocs. | |
722 | Return the number of symbols to print. */ | |
723 | ||
724 | static unsigned int | |
725 | filter_symbols (abfd, obfd, osyms, isyms, symcount) | |
726 | bfd *abfd; | |
727 | bfd *obfd; | |
728 | asymbol **osyms, **isyms; | |
729 | long symcount; | |
730 | { | |
731 | register asymbol **from = isyms, **to = osyms; | |
732 | long src_count = 0, dst_count = 0; | |
d8121479 L |
733 | int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC)) |
734 | == HAS_RELOC; | |
252b5132 RH |
735 | |
736 | for (; src_count < symcount; src_count++) | |
737 | { | |
738 | asymbol *sym = from[src_count]; | |
739 | flagword flags = sym->flags; | |
740 | const char *name = bfd_asymbol_name (sym); | |
741 | int keep; | |
24e01a36 | 742 | boolean undefined; |
252b5132 | 743 | |
57938635 AM |
744 | if (redefine_sym_list) |
745 | { | |
746 | const char *old_name, *new_name; | |
747 | ||
748 | old_name = bfd_asymbol_name (sym); | |
749 | new_name = lookup_sym_redefinition (old_name); | |
750 | name = bfd_asymbol_name (sym) = new_name; | |
751 | } | |
752 | ||
252b5132 RH |
753 | if (change_leading_char |
754 | && (bfd_get_symbol_leading_char (abfd) | |
755 | != bfd_get_symbol_leading_char (obfd)) | |
756 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
757 | || (name[0] == bfd_get_symbol_leading_char (abfd)))) | |
758 | { | |
759 | if (bfd_get_symbol_leading_char (obfd) == '\0') | |
760 | name = bfd_asymbol_name (sym) = name + 1; | |
761 | else | |
762 | { | |
763 | char *n; | |
764 | ||
765 | n = xmalloc (strlen (name) + 2); | |
766 | n[0] = bfd_get_symbol_leading_char (obfd); | |
767 | if (bfd_get_symbol_leading_char (abfd) == '\0') | |
768 | strcpy (n + 1, name); | |
769 | else | |
770 | strcpy (n + 1, name + 1); | |
771 | name = bfd_asymbol_name (sym) = n; | |
772 | } | |
773 | } | |
774 | ||
24e01a36 L |
775 | undefined = bfd_is_und_section (bfd_get_section (sym)); |
776 | ||
252b5132 RH |
777 | if (remove_leading_char |
778 | && ((flags & BSF_GLOBAL) != 0 | |
779 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 780 | || undefined |
252b5132 RH |
781 | || bfd_is_com_section (bfd_get_section (sym))) |
782 | && name[0] == bfd_get_symbol_leading_char (abfd)) | |
783 | name = bfd_asymbol_name (sym) = name + 1; | |
784 | ||
785 | if (strip_symbols == STRIP_ALL) | |
786 | keep = 0; | |
787 | else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */ | |
788 | || ((flags & BSF_SECTION_SYM) != 0 | |
789 | && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags | |
790 | & BSF_KEEP) != 0)) | |
791 | keep = 1; | |
d8121479 L |
792 | else if (relocatable /* Relocatable file. */ |
793 | && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0) | |
794 | keep = 1; | |
16b2b71c NC |
795 | else if (bfd_decode_symclass (sym) == 'I') |
796 | /* Global symbols in $idata sections need to be retained | |
797 | even if relocatable is false. External users of the | |
798 | library containing the $idata section may reference these | |
799 | symbols. */ | |
af3bdff7 | 800 | keep = 1; |
252b5132 RH |
801 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
802 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 803 | || undefined |
252b5132 RH |
804 | || bfd_is_com_section (bfd_get_section (sym))) |
805 | keep = strip_symbols != STRIP_UNNEEDED; | |
806 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ | |
807 | keep = (strip_symbols != STRIP_DEBUG | |
808 | && strip_symbols != STRIP_UNNEEDED | |
809 | && ! convert_debugging); | |
af3bdff7 NC |
810 | else if (bfd_get_section (sym)->comdat) |
811 | /* COMDAT sections store special information in local | |
812 | symbols, so we cannot risk stripping any of them. */ | |
813 | keep = 1; | |
252b5132 RH |
814 | else /* Local symbol. */ |
815 | keep = (strip_symbols != STRIP_UNNEEDED | |
816 | && (discard_locals != LOCALS_ALL | |
817 | && (discard_locals != LOCALS_START_L | |
818 | || ! bfd_is_local_label (abfd, sym)))); | |
819 | ||
820 | if (keep && is_specified_symbol (name, strip_specific_list)) | |
821 | keep = 0; | |
822 | if (!keep && is_specified_symbol (name, keep_specific_list)) | |
823 | keep = 1; | |
824 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) | |
825 | keep = 0; | |
e0c60db2 | 826 | |
252b5132 RH |
827 | if (keep && (flags & BSF_GLOBAL) != 0 |
828 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
829 | { | |
830 | sym->flags &=~ BSF_GLOBAL; | |
831 | sym->flags |= BSF_WEAK; | |
832 | } | |
24e01a36 | 833 | if (keep && !undefined && (flags & (BSF_GLOBAL | BSF_WEAK)) |
16b2b71c NC |
834 | && (is_specified_symbol (name, localize_specific_list) |
835 | || (keepglobal_specific_list != NULL | |
836 | && ! is_specified_symbol (name, keepglobal_specific_list)))) | |
252b5132 RH |
837 | { |
838 | sym->flags &= ~(BSF_GLOBAL | BSF_WEAK); | |
839 | sym->flags |= BSF_LOCAL; | |
840 | } | |
841 | ||
842 | if (keep) | |
843 | to[dst_count++] = sym; | |
844 | } | |
845 | ||
846 | to[dst_count] = NULL; | |
847 | ||
848 | return dst_count; | |
849 | } | |
850 | ||
594ef5db NC |
851 | /* Find the redefined name of symbol SOURCE. */ |
852 | ||
57938635 AM |
853 | static const char * |
854 | lookup_sym_redefinition (source) | |
855 | const char *source; | |
856 | { | |
57938635 AM |
857 | struct redefine_node *list; |
858 | ||
57938635 | 859 | for (list = redefine_sym_list; list != NULL; list = list->next) |
594ef5db NC |
860 | if (strcmp (source, list->source) == 0) |
861 | return list->target; | |
862 | ||
863 | return source; | |
57938635 AM |
864 | } |
865 | ||
594ef5db | 866 | /* Add a node to a symbol redefine list. */ |
57938635 AM |
867 | |
868 | static void | |
869 | redefine_list_append (source, target) | |
870 | const char *source; | |
871 | const char *target; | |
872 | { | |
873 | struct redefine_node **p; | |
874 | struct redefine_node *list; | |
875 | struct redefine_node *new_node; | |
876 | ||
877 | for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next) | |
878 | { | |
879 | if (strcmp (source, list->source) == 0) | |
594ef5db NC |
880 | fatal (_("%s: Multiple redefinition of symbol \"%s\""), |
881 | "--redefine-sym", | |
882 | source); | |
57938635 AM |
883 | |
884 | if (strcmp (target, list->target) == 0) | |
594ef5db NC |
885 | fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"), |
886 | "--redefine-sym", | |
887 | target); | |
57938635 AM |
888 | } |
889 | ||
890 | new_node = (struct redefine_node *) xmalloc (sizeof (struct redefine_node)); | |
891 | ||
892 | new_node->source = strdup (source); | |
893 | new_node->target = strdup (target); | |
894 | new_node->next = NULL; | |
895 | ||
896 | *p = new_node; | |
897 | } | |
898 | ||
252b5132 RH |
899 | /* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long. |
900 | Adjust *SIZE. */ | |
901 | ||
902 | static void | |
903 | filter_bytes (memhunk, size) | |
904 | char *memhunk; | |
905 | bfd_size_type *size; | |
906 | { | |
907 | char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size; | |
908 | ||
909 | for (; from < end; from += interleave) | |
910 | *to++ = *from; | |
594ef5db | 911 | |
b4c96d0d | 912 | if (*size % interleave > (bfd_size_type) copy_byte) |
252b5132 RH |
913 | *size = (*size / interleave) + 1; |
914 | else | |
915 | *size /= interleave; | |
916 | } | |
917 | ||
918 | /* Copy object file IBFD onto OBFD. */ | |
919 | ||
920 | static void | |
921 | copy_object (ibfd, obfd) | |
922 | bfd *ibfd; | |
923 | bfd *obfd; | |
924 | { | |
925 | bfd_vma start; | |
926 | long symcount; | |
927 | asection **osections = NULL; | |
928 | bfd_size_type *gaps = NULL; | |
929 | bfd_size_type max_gap = 0; | |
930 | long symsize; | |
931 | PTR dhandle; | |
932 | ||
23719f39 NC |
933 | if (ibfd->xvec->byteorder != obfd->xvec->byteorder |
934 | && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN | |
935 | && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN) | |
936 | { | |
937 | fatal (_("Unable to change endianness of input file(s)")); | |
938 | return; | |
939 | } | |
252b5132 RH |
940 | |
941 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
942 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
943 | ||
944 | if (verbose) | |
945 | printf (_("copy from %s(%s) to %s(%s)\n"), | |
946 | bfd_get_filename (ibfd), bfd_get_target (ibfd), | |
947 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
948 | ||
949 | if (set_start_set) | |
950 | start = set_start; | |
951 | else | |
952 | start = bfd_get_start_address (ibfd); | |
953 | start += change_start; | |
954 | ||
955 | if (!bfd_set_start_address (obfd, start) | |
956 | || !bfd_set_file_flags (obfd, | |
957 | (bfd_get_file_flags (ibfd) | |
958 | & bfd_applicable_file_flags (obfd)))) | |
959 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
960 | ||
594ef5db | 961 | /* Copy architecture of input file to output file. */ |
252b5132 RH |
962 | if (!bfd_set_arch_mach (obfd, bfd_get_arch (ibfd), |
963 | bfd_get_mach (ibfd))) | |
964 | non_fatal (_("Warning: Output file cannot represent architecture %s"), | |
965 | bfd_printable_arch_mach (bfd_get_arch (ibfd), | |
966 | bfd_get_mach (ibfd))); | |
57938635 | 967 | |
252b5132 RH |
968 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
969 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
970 | ||
971 | if (isympp) | |
972 | free (isympp); | |
57938635 | 973 | |
252b5132 RH |
974 | if (osympp != isympp) |
975 | free (osympp); | |
976 | ||
977 | /* BFD mandates that all output sections be created and sizes set before | |
978 | any output is done. Thus, we traverse all sections multiple times. */ | |
979 | bfd_map_over_sections (ibfd, setup_section, (void *) obfd); | |
980 | ||
981 | if (add_sections != NULL) | |
982 | { | |
983 | struct section_add *padd; | |
984 | struct section_list *pset; | |
985 | ||
986 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
987 | { | |
988 | padd->section = bfd_make_section (obfd, padd->name); | |
989 | if (padd->section == NULL) | |
990 | { | |
991 | non_fatal (_("can't create section `%s': %s"), | |
992 | padd->name, bfd_errmsg (bfd_get_error ())); | |
993 | status = 1; | |
994 | return; | |
995 | } | |
996 | else | |
997 | { | |
998 | flagword flags; | |
57938635 | 999 | |
252b5132 RH |
1000 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) |
1001 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1002 | ||
1003 | pset = find_section_list (padd->name, false); | |
1004 | if (pset != NULL) | |
1005 | pset->used = true; | |
1006 | ||
1007 | if (pset != NULL && pset->set_flags) | |
1008 | flags = pset->flags | SEC_HAS_CONTENTS; | |
1009 | else | |
1010 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
57938635 | 1011 | |
252b5132 RH |
1012 | if (! bfd_set_section_flags (obfd, padd->section, flags)) |
1013 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1014 | ||
1015 | if (pset != NULL) | |
1016 | { | |
1017 | if (pset->change_vma != CHANGE_IGNORE) | |
1018 | if (! bfd_set_section_vma (obfd, padd->section, pset->vma_val)) | |
1019 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
57938635 | 1020 | |
252b5132 RH |
1021 | if (pset->change_lma != CHANGE_IGNORE) |
1022 | { | |
1023 | padd->section->lma = pset->lma_val; | |
57938635 | 1024 | |
252b5132 RH |
1025 | if (! bfd_set_section_alignment |
1026 | (obfd, padd->section, | |
1027 | bfd_section_alignment (obfd, padd->section))) | |
1028 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1029 | } | |
1030 | } | |
1031 | } | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | if (gap_fill_set || pad_to_set) | |
1036 | { | |
1037 | asection **set; | |
1038 | unsigned int c, i; | |
1039 | ||
1040 | /* We must fill in gaps between the sections and/or we must pad | |
1041 | the last section to a specified address. We do this by | |
1042 | grabbing a list of the sections, sorting them by VMA, and | |
1043 | increasing the section sizes as required to fill the gaps. | |
1044 | We write out the gap contents below. */ | |
1045 | ||
1046 | c = bfd_count_sections (obfd); | |
1047 | osections = (asection **) xmalloc (c * sizeof (asection *)); | |
1048 | set = osections; | |
1049 | bfd_map_over_sections (obfd, get_sections, (void *) &set); | |
1050 | ||
1051 | qsort (osections, c, sizeof (asection *), compare_section_lma); | |
1052 | ||
1053 | gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type)); | |
1054 | memset (gaps, 0, c * sizeof (bfd_size_type)); | |
1055 | ||
1056 | if (gap_fill_set) | |
1057 | { | |
1058 | for (i = 0; i < c - 1; i++) | |
1059 | { | |
1060 | flagword flags; | |
1061 | bfd_size_type size; | |
1062 | bfd_vma gap_start, gap_stop; | |
1063 | ||
1064 | flags = bfd_get_section_flags (obfd, osections[i]); | |
1065 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
1066 | || (flags & SEC_LOAD) == 0) | |
1067 | continue; | |
1068 | ||
1069 | size = bfd_section_size (obfd, osections[i]); | |
1070 | gap_start = bfd_section_lma (obfd, osections[i]) + size; | |
1071 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
1072 | if (gap_start < gap_stop) | |
1073 | { | |
1074 | if (! bfd_set_section_size (obfd, osections[i], | |
1075 | size + (gap_stop - gap_start))) | |
1076 | { | |
1077 | non_fatal (_("Can't fill gap after %s: %s"), | |
1078 | bfd_get_section_name (obfd, osections[i]), | |
1079 | bfd_errmsg (bfd_get_error ())); | |
1080 | status = 1; | |
1081 | break; | |
1082 | } | |
1083 | gaps[i] = gap_stop - gap_start; | |
1084 | if (max_gap < gap_stop - gap_start) | |
1085 | max_gap = gap_stop - gap_start; | |
1086 | } | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | if (pad_to_set) | |
1091 | { | |
1092 | bfd_vma lma; | |
1093 | bfd_size_type size; | |
1094 | ||
1095 | lma = bfd_section_lma (obfd, osections[c - 1]); | |
1096 | size = bfd_section_size (obfd, osections[c - 1]); | |
1097 | if (lma + size < pad_to) | |
1098 | { | |
1099 | if (! bfd_set_section_size (obfd, osections[c - 1], | |
1100 | pad_to - lma)) | |
1101 | { | |
1102 | non_fatal (_("Can't add padding to %s: %s"), | |
1103 | bfd_get_section_name (obfd, osections[c - 1]), | |
1104 | bfd_errmsg (bfd_get_error ())); | |
1105 | status = 1; | |
1106 | } | |
1107 | else | |
1108 | { | |
1109 | gaps[c - 1] = pad_to - (lma + size); | |
1110 | if (max_gap < pad_to - (lma + size)) | |
1111 | max_gap = pad_to - (lma + size); | |
1112 | } | |
1113 | } | |
1114 | } | |
1115 | } | |
1116 | ||
594ef5db NC |
1117 | /* Symbol filtering must happen after the output sections |
1118 | have been created, but before their contents are set. */ | |
252b5132 RH |
1119 | dhandle = NULL; |
1120 | symsize = bfd_get_symtab_upper_bound (ibfd); | |
1121 | if (symsize < 0) | |
1122 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1123 | |
252b5132 RH |
1124 | osympp = isympp = (asymbol **) xmalloc (symsize); |
1125 | symcount = bfd_canonicalize_symtab (ibfd, isympp); | |
1126 | if (symcount < 0) | |
1127 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1128 | |
252b5132 RH |
1129 | if (convert_debugging) |
1130 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
57938635 AM |
1131 | |
1132 | if (strip_symbols == STRIP_DEBUG | |
252b5132 RH |
1133 | || strip_symbols == STRIP_ALL |
1134 | || strip_symbols == STRIP_UNNEEDED | |
1135 | || discard_locals != LOCALS_UNDEF | |
1136 | || strip_specific_list != NULL | |
1137 | || keep_specific_list != NULL | |
1138 | || localize_specific_list != NULL | |
16b2b71c | 1139 | || keepglobal_specific_list != NULL |
252b5132 RH |
1140 | || weaken_specific_list != NULL |
1141 | || sections_removed | |
f91ea849 | 1142 | || sections_copied |
252b5132 RH |
1143 | || convert_debugging |
1144 | || change_leading_char | |
1145 | || remove_leading_char | |
57938635 | 1146 | || redefine_sym_list |
252b5132 RH |
1147 | || weaken) |
1148 | { | |
1149 | /* Mark symbols used in output relocations so that they | |
1150 | are kept, even if they are local labels or static symbols. | |
57938635 | 1151 | |
252b5132 RH |
1152 | Note we iterate over the input sections examining their |
1153 | relocations since the relocations for the output sections | |
1154 | haven't been set yet. mark_symbols_used_in_relocations will | |
1155 | ignore input sections which have no corresponding output | |
1156 | section. */ | |
1157 | if (strip_symbols != STRIP_ALL) | |
1158 | bfd_map_over_sections (ibfd, | |
1159 | mark_symbols_used_in_relocations, | |
1160 | (PTR)isympp); | |
1161 | osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *)); | |
1162 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); | |
1163 | } | |
1164 | ||
1165 | if (convert_debugging && dhandle != NULL) | |
1166 | { | |
1167 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
1168 | { | |
1169 | status = 1; | |
1170 | return; | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | bfd_set_symtab (obfd, osympp, symcount); | |
1175 | ||
1176 | /* This has to happen after the symbol table has been set. */ | |
1177 | bfd_map_over_sections (ibfd, copy_section, (void *) obfd); | |
1178 | ||
1179 | if (add_sections != NULL) | |
1180 | { | |
1181 | struct section_add *padd; | |
1182 | ||
1183 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1184 | { | |
1185 | if (! bfd_set_section_contents (obfd, padd->section, | |
1186 | (PTR) padd->contents, | |
1187 | (file_ptr) 0, | |
1188 | (bfd_size_type) padd->size)) | |
1189 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1190 | } | |
1191 | } | |
1192 | ||
1193 | if (gap_fill_set || pad_to_set) | |
1194 | { | |
1195 | bfd_byte *buf; | |
1196 | int c, i; | |
1197 | ||
1198 | /* Fill in the gaps. */ | |
252b5132 RH |
1199 | if (max_gap > 8192) |
1200 | max_gap = 8192; | |
1201 | buf = (bfd_byte *) xmalloc (max_gap); | |
1202 | memset (buf, gap_fill, (size_t) max_gap); | |
1203 | ||
1204 | c = bfd_count_sections (obfd); | |
1205 | for (i = 0; i < c; i++) | |
1206 | { | |
1207 | if (gaps[i] != 0) | |
1208 | { | |
1209 | bfd_size_type left; | |
1210 | file_ptr off; | |
1211 | ||
1212 | left = gaps[i]; | |
1213 | off = bfd_section_size (obfd, osections[i]) - left; | |
594ef5db | 1214 | |
252b5132 RH |
1215 | while (left > 0) |
1216 | { | |
1217 | bfd_size_type now; | |
1218 | ||
1219 | if (left > 8192) | |
1220 | now = 8192; | |
1221 | else | |
1222 | now = left; | |
1223 | ||
1224 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
1225 | off, now)) | |
1226 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1227 | ||
1228 | left -= now; | |
1229 | off += now; | |
1230 | } | |
1231 | } | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | /* Allow the BFD backend to copy any private data it understands | |
1236 | from the input BFD to the output BFD. This is done last to | |
1237 | permit the routine to look at the filtered symbol table, which is | |
1238 | important for the ECOFF code at least. */ | |
594ef5db | 1239 | if (! bfd_copy_private_bfd_data (ibfd, obfd)) |
252b5132 RH |
1240 | { |
1241 | non_fatal (_("%s: error copying private BFD data: %s"), | |
1242 | bfd_get_filename (obfd), | |
1243 | bfd_errmsg (bfd_get_error ())); | |
1244 | status = 1; | |
1245 | return; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | /* Read each archive element in turn from IBFD, copy the | |
1250 | contents to temp file, and keep the temp file handle. */ | |
1251 | ||
1252 | static void | |
1253 | copy_archive (ibfd, obfd, output_target) | |
1254 | bfd *ibfd; | |
1255 | bfd *obfd; | |
1256 | const char *output_target; | |
1257 | { | |
1258 | struct name_list | |
1259 | { | |
1260 | struct name_list *next; | |
1261 | char *name; | |
1262 | bfd *obfd; | |
1263 | } *list, *l; | |
1264 | bfd **ptr = &obfd->archive_head; | |
1265 | bfd *this_element; | |
1266 | char *dir = make_tempname (bfd_get_filename (obfd)); | |
1267 | ||
1268 | /* Make a temp directory to hold the contents. */ | |
1269 | #if defined (_WIN32) && !defined (__CYGWIN32__) | |
1270 | if (mkdir (dir) != 0) | |
1271 | #else | |
1272 | if (mkdir (dir, 0700) != 0) | |
1273 | #endif | |
1274 | { | |
1275 | fatal (_("cannot mkdir %s for archive copying (error: %s)"), | |
1276 | dir, strerror (errno)); | |
1277 | } | |
1278 | obfd->has_armap = ibfd->has_armap; | |
1279 | ||
1280 | list = NULL; | |
1281 | ||
1282 | this_element = bfd_openr_next_archived_file (ibfd, NULL); | |
594ef5db | 1283 | |
252b5132 RH |
1284 | while (!status && this_element != (bfd *) NULL) |
1285 | { | |
1286 | /* Create an output file for this member. */ | |
1287 | char *output_name = concat (dir, "/", bfd_get_filename (this_element), | |
1288 | (char *) NULL); | |
1289 | bfd *output_bfd = bfd_openw (output_name, output_target); | |
1290 | bfd *last_element; | |
8066d1a2 AS |
1291 | struct stat buf; |
1292 | int stat_status = 0; | |
1293 | ||
1294 | if (preserve_dates) | |
1295 | { | |
1296 | stat_status = bfd_stat_arch_elt (this_element, &buf); | |
594ef5db | 1297 | |
8066d1a2 AS |
1298 | if (stat_status != 0) |
1299 | non_fatal (_("internal stat error on %s"), | |
1300 | bfd_get_filename (this_element)); | |
1301 | } | |
252b5132 RH |
1302 | |
1303 | l = (struct name_list *) xmalloc (sizeof (struct name_list)); | |
1304 | l->name = output_name; | |
1305 | l->next = list; | |
1306 | list = l; | |
1307 | ||
1308 | if (output_bfd == (bfd *) NULL) | |
1309 | RETURN_NONFATAL (output_name); | |
1310 | ||
1311 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
1312 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1313 | ||
1314 | if (bfd_check_format (this_element, bfd_object) == true) | |
1315 | copy_object (this_element, output_bfd); | |
1316 | ||
1317 | if (!bfd_close (output_bfd)) | |
1318 | { | |
1319 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
1320 | /* Error in new object file. Don't change archive. */ | |
1321 | status = 1; | |
1322 | } | |
1323 | ||
8066d1a2 AS |
1324 | if (preserve_dates && stat_status == 0) |
1325 | set_times (output_name, &buf); | |
1326 | ||
252b5132 RH |
1327 | /* Open the newly output file and attach to our list. */ |
1328 | output_bfd = bfd_openr (output_name, output_target); | |
1329 | ||
1330 | l->obfd = output_bfd; | |
1331 | ||
1332 | *ptr = output_bfd; | |
1333 | ptr = &output_bfd->next; | |
1334 | ||
1335 | last_element = this_element; | |
1336 | ||
1337 | this_element = bfd_openr_next_archived_file (ibfd, last_element); | |
1338 | ||
1339 | bfd_close (last_element); | |
1340 | } | |
1341 | *ptr = (bfd *) NULL; | |
1342 | ||
1343 | if (!bfd_close (obfd)) | |
1344 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1345 | ||
1346 | if (!bfd_close (ibfd)) | |
1347 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1348 | ||
1349 | /* Delete all the files that we opened. */ | |
1350 | for (l = list; l != NULL; l = l->next) | |
1351 | { | |
1352 | bfd_close (l->obfd); | |
1353 | unlink (l->name); | |
1354 | } | |
1355 | rmdir (dir); | |
1356 | } | |
1357 | ||
1358 | /* The top-level control. */ | |
1359 | ||
1360 | static void | |
1361 | copy_file (input_filename, output_filename, input_target, output_target) | |
1362 | const char *input_filename; | |
1363 | const char *output_filename; | |
1364 | const char *input_target; | |
1365 | const char *output_target; | |
1366 | { | |
1367 | bfd *ibfd; | |
1368 | char **matching; | |
1369 | ||
1370 | /* To allow us to do "strip *" without dying on the first | |
1371 | non-object file, failures are nonfatal. */ | |
252b5132 RH |
1372 | ibfd = bfd_openr (input_filename, input_target); |
1373 | if (ibfd == NULL) | |
1374 | RETURN_NONFATAL (input_filename); | |
1375 | ||
1376 | if (bfd_check_format (ibfd, bfd_archive)) | |
1377 | { | |
1378 | bfd *obfd; | |
1379 | ||
1380 | /* bfd_get_target does not return the correct value until | |
1381 | bfd_check_format succeeds. */ | |
1382 | if (output_target == NULL) | |
1383 | output_target = bfd_get_target (ibfd); | |
1384 | ||
1385 | obfd = bfd_openw (output_filename, output_target); | |
1386 | if (obfd == NULL) | |
1387 | RETURN_NONFATAL (output_filename); | |
1388 | ||
1389 | copy_archive (ibfd, obfd, output_target); | |
1390 | } | |
1391 | else if (bfd_check_format_matches (ibfd, bfd_object, &matching)) | |
1392 | { | |
1393 | bfd *obfd; | |
1394 | ||
1395 | /* bfd_get_target does not return the correct value until | |
1396 | bfd_check_format succeeds. */ | |
1397 | if (output_target == NULL) | |
1398 | output_target = bfd_get_target (ibfd); | |
1399 | ||
1400 | obfd = bfd_openw (output_filename, output_target); | |
1401 | if (obfd == NULL) | |
1402 | RETURN_NONFATAL (output_filename); | |
1403 | ||
1404 | copy_object (ibfd, obfd); | |
1405 | ||
1406 | if (!bfd_close (obfd)) | |
1407 | RETURN_NONFATAL (output_filename); | |
1408 | ||
1409 | if (!bfd_close (ibfd)) | |
1410 | RETURN_NONFATAL (input_filename); | |
1411 | } | |
1412 | else | |
1413 | { | |
1414 | bfd_nonfatal (input_filename); | |
57938635 | 1415 | |
252b5132 RH |
1416 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) |
1417 | { | |
1418 | list_matching_formats (matching); | |
1419 | free (matching); | |
1420 | } | |
57938635 | 1421 | |
252b5132 RH |
1422 | status = 1; |
1423 | } | |
1424 | } | |
1425 | ||
594ef5db NC |
1426 | /* Add a name to the section renaming list. */ |
1427 | ||
1428 | static void | |
1429 | add_section_rename (old_name, new_name, flags) | |
1430 | const char * old_name; | |
1431 | const char * new_name; | |
1432 | flagword flags; | |
1433 | { | |
1434 | section_rename * rename; | |
1435 | ||
1436 | /* Check for conflicts first. */ | |
1437 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
1438 | if (strcmp (rename->old_name, old_name) == 0) | |
1439 | { | |
1440 | /* Silently ignore duplicate definitions. */ | |
1441 | if (strcmp (rename->new_name, new_name) == 0 | |
1442 | && rename->flags == flags) | |
1443 | return; | |
1444 | ||
1445 | fatal (_("Multiple renames of section %s"), old_name); | |
1446 | } | |
1447 | ||
1448 | rename = (section_rename *) xmalloc (sizeof (* rename)); | |
1449 | ||
1450 | rename->old_name = old_name; | |
1451 | rename->new_name = new_name; | |
1452 | rename->flags = flags; | |
1453 | rename->next = section_rename_list; | |
1454 | ||
1455 | section_rename_list = rename; | |
1456 | } | |
1457 | ||
1458 | /* Check the section rename list for a new name of the input section | |
1459 | ISECTION. Return the new name if one is found. | |
1460 | Also set RETURNED_FLAGS to the flags to be used for this section. */ | |
1461 | ||
1462 | static const char * | |
1463 | find_section_rename (ibfd, isection, returned_flags) | |
1464 | bfd * ibfd ATTRIBUTE_UNUSED; | |
1465 | sec_ptr isection; | |
1466 | flagword * returned_flags; | |
1467 | { | |
1468 | const char * old_name = bfd_section_name (ibfd, isection); | |
1469 | section_rename * rename; | |
1470 | ||
1471 | /* Default to using the flags of the input section. */ | |
1472 | * returned_flags = bfd_get_section_flags (ibfd, isection); | |
1473 | ||
1474 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
1475 | if (strcmp (rename->old_name, old_name) == 0) | |
1476 | { | |
1477 | if (rename->flags != (flagword) -1) | |
1478 | * returned_flags = rename->flags; | |
1479 | ||
1480 | return rename->new_name; | |
1481 | } | |
1482 | ||
1483 | return old_name; | |
1484 | } | |
1485 | ||
1486 | /* Create a section in OBFD with the same | |
1487 | name and attributes as ISECTION in IBFD. */ | |
252b5132 RH |
1488 | |
1489 | static void | |
1490 | setup_section (ibfd, isection, obfdarg) | |
1491 | bfd *ibfd; | |
1492 | sec_ptr isection; | |
1493 | PTR obfdarg; | |
1494 | { | |
1495 | bfd *obfd = (bfd *) obfdarg; | |
1496 | struct section_list *p; | |
1497 | sec_ptr osection; | |
1498 | bfd_size_type size; | |
1499 | bfd_vma vma; | |
1500 | bfd_vma lma; | |
1501 | flagword flags; | |
1a89cc7d | 1502 | const char *err; |
594ef5db NC |
1503 | const char * name; |
1504 | ||
252b5132 RH |
1505 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
1506 | && (strip_symbols == STRIP_DEBUG | |
1507 | || strip_symbols == STRIP_UNNEEDED | |
1508 | || strip_symbols == STRIP_ALL | |
1509 | || discard_locals == LOCALS_ALL | |
1510 | || convert_debugging)) | |
1511 | return; | |
1512 | ||
1513 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1514 | if (p != NULL) | |
1515 | p->used = true; | |
1516 | ||
f91ea849 ILT |
1517 | if (sections_removed && p != NULL && p->remove) |
1518 | return; | |
1519 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1520 | return; |
1521 | ||
594ef5db NC |
1522 | /* Get the, possibly new, name of the output section. */ |
1523 | name = find_section_rename (ibfd, isection, & flags); | |
1524 | ||
1525 | osection = bfd_make_section_anyway (obfd, name); | |
57938635 | 1526 | |
252b5132 RH |
1527 | if (osection == NULL) |
1528 | { | |
1a89cc7d | 1529 | err = _("making"); |
252b5132 RH |
1530 | goto loser; |
1531 | } | |
1532 | ||
1533 | size = bfd_section_size (ibfd, isection); | |
1534 | if (copy_byte >= 0) | |
1535 | size = (size + interleave - 1) / interleave; | |
1536 | if (! bfd_set_section_size (obfd, osection, size)) | |
1537 | { | |
1a89cc7d | 1538 | err = _("size"); |
252b5132 RH |
1539 | goto loser; |
1540 | } | |
57938635 | 1541 | |
252b5132 RH |
1542 | vma = bfd_section_vma (ibfd, isection); |
1543 | if (p != NULL && p->change_vma == CHANGE_MODIFY) | |
1544 | vma += p->vma_val; | |
1545 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
1546 | vma = p->vma_val; | |
1547 | else | |
1548 | vma += change_section_address; | |
57938635 | 1549 | |
252b5132 RH |
1550 | if (! bfd_set_section_vma (obfd, osection, vma)) |
1551 | { | |
1a89cc7d | 1552 | err = _("vma"); |
252b5132 RH |
1553 | goto loser; |
1554 | } | |
1555 | ||
1556 | lma = isection->lma; | |
1557 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) | |
1558 | { | |
1559 | if (p->change_lma == CHANGE_MODIFY) | |
1560 | lma += p->lma_val; | |
1561 | else if (p->change_lma == CHANGE_SET) | |
1562 | lma = p->lma_val; | |
1563 | else | |
1564 | abort (); | |
1565 | } | |
1566 | else | |
1567 | lma += change_section_address; | |
57938635 | 1568 | |
252b5132 RH |
1569 | osection->lma = lma; |
1570 | ||
1571 | /* FIXME: This is probably not enough. If we change the LMA we | |
1572 | may have to recompute the header for the file as well. */ | |
1573 | if (bfd_set_section_alignment (obfd, | |
1574 | osection, | |
1575 | bfd_section_alignment (ibfd, isection)) | |
1576 | == false) | |
1577 | { | |
1a89cc7d | 1578 | err = _("alignment"); |
252b5132 RH |
1579 | goto loser; |
1580 | } | |
1581 | ||
252b5132 RH |
1582 | if (p != NULL && p->set_flags) |
1583 | flags = p->flags | (flags & SEC_HAS_CONTENTS); | |
1584 | if (!bfd_set_section_flags (obfd, osection, flags)) | |
1585 | { | |
1a89cc7d | 1586 | err = _("flags"); |
252b5132 RH |
1587 | goto loser; |
1588 | } | |
1589 | ||
1590 | /* This used to be mangle_section; we do here to avoid using | |
1591 | bfd_get_section_by_name since some formats allow multiple | |
1592 | sections with the same name. */ | |
1593 | isection->output_section = osection; | |
1594 | isection->output_offset = 0; | |
1595 | ||
1596 | /* Allow the BFD backend to copy any private data it understands | |
1597 | from the input section to the output section. */ | |
1598 | if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
1599 | { | |
1a89cc7d | 1600 | err = _("private data"); |
252b5132 RH |
1601 | goto loser; |
1602 | } | |
1603 | ||
594ef5db | 1604 | /* All went well. */ |
252b5132 RH |
1605 | return; |
1606 | ||
1607 | loser: | |
1608 | non_fatal (_("%s: section `%s': error in %s: %s"), | |
1609 | bfd_get_filename (ibfd), | |
1610 | bfd_section_name (ibfd, isection), | |
1611 | err, bfd_errmsg (bfd_get_error ())); | |
1612 | status = 1; | |
1613 | } | |
1614 | ||
1615 | /* Copy the data of input section ISECTION of IBFD | |
1616 | to an output section with the same name in OBFD. | |
1617 | If stripping then don't copy any relocation info. */ | |
1618 | ||
1619 | static void | |
1620 | copy_section (ibfd, isection, obfdarg) | |
1621 | bfd *ibfd; | |
1622 | sec_ptr isection; | |
1623 | PTR obfdarg; | |
1624 | { | |
1625 | bfd *obfd = (bfd *) obfdarg; | |
1626 | struct section_list *p; | |
1627 | arelent **relpp; | |
1628 | long relcount; | |
1629 | sec_ptr osection; | |
1630 | bfd_size_type size; | |
1631 | long relsize; | |
1632 | ||
594ef5db NC |
1633 | /* If we have already failed earlier on, |
1634 | do not keep on generating complaints now. */ | |
252b5132 RH |
1635 | if (status != 0) |
1636 | return; | |
57938635 | 1637 | |
252b5132 RH |
1638 | if ((bfd_get_section_flags (ibfd, isection) & SEC_DEBUGGING) != 0 |
1639 | && (strip_symbols == STRIP_DEBUG | |
1640 | || strip_symbols == STRIP_UNNEEDED | |
1641 | || strip_symbols == STRIP_ALL | |
1642 | || discard_locals == LOCALS_ALL | |
1643 | || convert_debugging)) | |
e0c60db2 | 1644 | return; |
252b5132 RH |
1645 | |
1646 | p = find_section_list (bfd_section_name (ibfd, isection), false); | |
1647 | ||
f91ea849 ILT |
1648 | if (sections_removed && p != NULL && p->remove) |
1649 | return; | |
1650 | if (sections_copied && (p == NULL || ! p->copy)) | |
252b5132 RH |
1651 | return; |
1652 | ||
1653 | osection = isection->output_section; | |
1654 | size = bfd_get_section_size_before_reloc (isection); | |
1655 | ||
1656 | if (size == 0 || osection == 0) | |
1657 | return; | |
1658 | ||
252b5132 RH |
1659 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); |
1660 | if (relsize < 0) | |
1661 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1662 | |
252b5132 RH |
1663 | if (relsize == 0) |
1664 | bfd_set_reloc (obfd, osection, (arelent **) NULL, 0); | |
1665 | else | |
1666 | { | |
1667 | relpp = (arelent **) xmalloc (relsize); | |
1668 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); | |
1669 | if (relcount < 0) | |
1670 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 1671 | |
252b5132 RH |
1672 | if (strip_symbols == STRIP_ALL) |
1673 | { | |
1674 | /* Remove relocations which are not in | |
1675 | keep_strip_specific_list. */ | |
1676 | arelent **temp_relpp; | |
1677 | long temp_relcount = 0; | |
1678 | long i; | |
57938635 | 1679 | |
252b5132 RH |
1680 | temp_relpp = (arelent **) xmalloc (relsize); |
1681 | for (i = 0; i < relcount; i++) | |
1682 | if (is_specified_symbol | |
1683 | (bfd_asymbol_name (*relpp [i]->sym_ptr_ptr), | |
1684 | keep_specific_list)) | |
1685 | temp_relpp [temp_relcount++] = relpp [i]; | |
1686 | relcount = temp_relcount; | |
1687 | free (relpp); | |
1688 | relpp = temp_relpp; | |
1689 | } | |
e0c60db2 | 1690 | |
252b5132 RH |
1691 | bfd_set_reloc (obfd, osection, |
1692 | (relcount == 0 ? (arelent **) NULL : relpp), relcount); | |
1693 | } | |
57938635 | 1694 | |
252b5132 RH |
1695 | isection->_cooked_size = isection->_raw_size; |
1696 | isection->reloc_done = true; | |
1697 | ||
1698 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) | |
1699 | { | |
1700 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1701 | ||
1702 | if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0, | |
1703 | size)) | |
1704 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1705 | ||
57938635 | 1706 | if (copy_byte >= 0) |
252b5132 RH |
1707 | filter_bytes (memhunk, &size); |
1708 | ||
1709 | if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1710 | size)) | |
1711 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1712 | ||
1713 | free (memhunk); | |
1714 | } | |
1715 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) | |
1716 | { | |
1717 | PTR memhunk = (PTR) xmalloc ((unsigned) size); | |
1718 | ||
1719 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
1720 | flag--they can just remove the section entirely and add it | |
1721 | back again. However, we do permit them to turn on the | |
1722 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
1723 | contents should be zeroed out. */ | |
1724 | ||
1725 | memset (memhunk, 0, size); | |
1726 | if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0, | |
1727 | size)) | |
1728 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1729 | free (memhunk); | |
1730 | } | |
1731 | } | |
1732 | ||
1733 | /* Get all the sections. This is used when --gap-fill or --pad-to is | |
1734 | used. */ | |
1735 | ||
1736 | static void | |
1737 | get_sections (obfd, osection, secppparg) | |
b4c96d0d | 1738 | bfd *obfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1739 | asection *osection; |
1740 | PTR secppparg; | |
1741 | { | |
1742 | asection ***secppp = (asection ***) secppparg; | |
1743 | ||
1744 | **secppp = osection; | |
1745 | ++(*secppp); | |
1746 | } | |
1747 | ||
1748 | /* Sort sections by VMA. This is called via qsort, and is used when | |
1749 | --gap-fill or --pad-to is used. We force non loadable or empty | |
1750 | sections to the front, where they are easier to ignore. */ | |
1751 | ||
1752 | static int | |
1753 | compare_section_lma (arg1, arg2) | |
1754 | const PTR arg1; | |
1755 | const PTR arg2; | |
1756 | { | |
1757 | const asection **sec1 = (const asection **) arg1; | |
1758 | const asection **sec2 = (const asection **) arg2; | |
1759 | flagword flags1, flags2; | |
1760 | ||
1761 | /* Sort non loadable sections to the front. */ | |
1762 | flags1 = (*sec1)->flags; | |
1763 | flags2 = (*sec2)->flags; | |
1764 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
1765 | || (flags1 & SEC_LOAD) == 0) | |
1766 | { | |
1767 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
1768 | && (flags2 & SEC_LOAD) != 0) | |
1769 | return -1; | |
1770 | } | |
1771 | else | |
1772 | { | |
1773 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
1774 | || (flags2 & SEC_LOAD) == 0) | |
1775 | return 1; | |
1776 | } | |
1777 | ||
1778 | /* Sort sections by LMA. */ | |
1779 | if ((*sec1)->lma > (*sec2)->lma) | |
1780 | return 1; | |
1781 | else if ((*sec1)->lma < (*sec2)->lma) | |
1782 | return -1; | |
1783 | ||
1784 | /* Sort sections with the same LMA by size. */ | |
1785 | if ((*sec1)->_raw_size > (*sec2)->_raw_size) | |
1786 | return 1; | |
1787 | else if ((*sec1)->_raw_size < (*sec2)->_raw_size) | |
1788 | return -1; | |
1789 | ||
1790 | return 0; | |
1791 | } | |
1792 | ||
1793 | /* Mark all the symbols which will be used in output relocations with | |
1794 | the BSF_KEEP flag so that those symbols will not be stripped. | |
1795 | ||
1796 | Ignore relocations which will not appear in the output file. */ | |
1797 | ||
1798 | static void | |
1799 | mark_symbols_used_in_relocations (ibfd, isection, symbolsarg) | |
1800 | bfd *ibfd; | |
1801 | sec_ptr isection; | |
1802 | PTR symbolsarg; | |
1803 | { | |
1804 | asymbol **symbols = (asymbol **) symbolsarg; | |
1805 | long relsize; | |
1806 | arelent **relpp; | |
1807 | long relcount, i; | |
1808 | ||
1809 | /* Ignore an input section with no corresponding output section. */ | |
1810 | if (isection->output_section == NULL) | |
1811 | return; | |
1812 | ||
1813 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
1814 | if (relsize < 0) | |
1815 | bfd_fatal (bfd_get_filename (ibfd)); | |
1816 | ||
1817 | if (relsize == 0) | |
1818 | return; | |
1819 | ||
1820 | relpp = (arelent **) xmalloc (relsize); | |
1821 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); | |
1822 | if (relcount < 0) | |
1823 | bfd_fatal (bfd_get_filename (ibfd)); | |
1824 | ||
ec5d57d5 NC |
1825 | /* Examine each symbol used in a relocation. If it's not one of the |
1826 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
252b5132 RH |
1827 | for (i = 0; i < relcount; i++) |
1828 | { | |
ec5d57d5 NC |
1829 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
1830 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
1831 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
1832 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; | |
252b5132 RH |
1833 | } |
1834 | ||
1835 | if (relpp != NULL) | |
1836 | free (relpp); | |
1837 | } | |
1838 | ||
1839 | /* Write out debugging information. */ | |
1840 | ||
1841 | static boolean | |
1842 | write_debugging_info (obfd, dhandle, symcountp, symppp) | |
1843 | bfd *obfd; | |
1844 | PTR dhandle; | |
b4c96d0d ILT |
1845 | long *symcountp ATTRIBUTE_UNUSED; |
1846 | asymbol ***symppp ATTRIBUTE_UNUSED; | |
252b5132 RH |
1847 | { |
1848 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
1849 | return write_ieee_debugging_info (obfd, dhandle); | |
1850 | ||
1851 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour | |
1852 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1853 | { | |
1854 | bfd_byte *syms, *strings; | |
1855 | bfd_size_type symsize, stringsize; | |
1856 | asection *stabsec, *stabstrsec; | |
1857 | ||
1858 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
1859 | &symsize, &strings, | |
1860 | &stringsize)) | |
1861 | return false; | |
1862 | ||
1863 | stabsec = bfd_make_section (obfd, ".stab"); | |
1864 | stabstrsec = bfd_make_section (obfd, ".stabstr"); | |
1865 | if (stabsec == NULL | |
1866 | || stabstrsec == NULL | |
1867 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
1868 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
1869 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
1870 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0) | |
1871 | || ! bfd_set_section_flags (obfd, stabsec, | |
1872 | (SEC_HAS_CONTENTS | |
1873 | | SEC_READONLY | |
1874 | | SEC_DEBUGGING)) | |
1875 | || ! bfd_set_section_flags (obfd, stabstrsec, | |
1876 | (SEC_HAS_CONTENTS | |
1877 | | SEC_READONLY | |
1878 | | SEC_DEBUGGING))) | |
1879 | { | |
1880 | non_fatal (_("%s: can't create debugging section: %s"), | |
1881 | bfd_get_filename (obfd), | |
1882 | bfd_errmsg (bfd_get_error ())); | |
1883 | return false; | |
1884 | } | |
1885 | ||
1886 | /* We can get away with setting the section contents now because | |
1887 | the next thing the caller is going to do is copy over the | |
1888 | real sections. We may someday have to split the contents | |
1889 | setting out of this function. */ | |
1890 | if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0, | |
1891 | symsize) | |
1892 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, | |
1893 | (file_ptr) 0, stringsize)) | |
1894 | { | |
1895 | non_fatal (_("%s: can't set debugging section contents: %s"), | |
1896 | bfd_get_filename (obfd), | |
1897 | bfd_errmsg (bfd_get_error ())); | |
1898 | return false; | |
1899 | } | |
1900 | ||
1901 | return true; | |
1902 | } | |
1903 | ||
1904 | non_fatal (_("%s: don't know how to write debugging information for %s"), | |
1905 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
1906 | return false; | |
1907 | } | |
1908 | ||
1909 | static int | |
1910 | strip_main (argc, argv) | |
1911 | int argc; | |
1912 | char *argv[]; | |
1913 | { | |
1914 | char *input_target = NULL, *output_target = NULL; | |
1915 | boolean show_version = false; | |
1916 | int c, i; | |
1917 | struct section_list *p; | |
1918 | char *output_file = NULL; | |
1919 | ||
6d900bf6 | 1920 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXVv", |
252b5132 RH |
1921 | strip_options, (int *) 0)) != EOF) |
1922 | { | |
1923 | switch (c) | |
1924 | { | |
1925 | case 'I': | |
1926 | input_target = optarg; | |
1927 | break; | |
1928 | case 'O': | |
1929 | output_target = optarg; | |
1930 | break; | |
1931 | case 'F': | |
1932 | input_target = output_target = optarg; | |
1933 | break; | |
1934 | case 'R': | |
1935 | p = find_section_list (optarg, true); | |
1936 | p->remove = true; | |
1937 | sections_removed = true; | |
1938 | break; | |
1939 | case 's': | |
1940 | strip_symbols = STRIP_ALL; | |
1941 | break; | |
1942 | case 'S': | |
1943 | case 'g': | |
db4f6831 | 1944 | case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */ |
252b5132 RH |
1945 | strip_symbols = STRIP_DEBUG; |
1946 | break; | |
1947 | case OPTION_STRIP_UNNEEDED: | |
1948 | strip_symbols = STRIP_UNNEEDED; | |
1949 | break; | |
1950 | case 'K': | |
1951 | add_specific_symbol (optarg, &keep_specific_list); | |
1952 | break; | |
1953 | case 'N': | |
1954 | add_specific_symbol (optarg, &strip_specific_list); | |
1955 | break; | |
1956 | case 'o': | |
1957 | output_file = optarg; | |
1958 | break; | |
1959 | case 'p': | |
1960 | preserve_dates = true; | |
1961 | break; | |
1962 | case 'x': | |
1963 | discard_locals = LOCALS_ALL; | |
1964 | break; | |
1965 | case 'X': | |
1966 | discard_locals = LOCALS_START_L; | |
1967 | break; | |
1968 | case 'v': | |
1969 | verbose = true; | |
1970 | break; | |
1971 | case 'V': | |
1972 | show_version = true; | |
1973 | break; | |
1974 | case 0: | |
594ef5db NC |
1975 | /* We've been given a long option. */ |
1976 | break; | |
252b5132 RH |
1977 | case 'h': |
1978 | strip_usage (stdout, 0); | |
1979 | default: | |
1980 | strip_usage (stderr, 1); | |
1981 | } | |
1982 | } | |
1983 | ||
1984 | if (show_version) | |
1985 | print_version ("strip"); | |
1986 | ||
1987 | /* Default is to strip all symbols. */ | |
1988 | if (strip_symbols == STRIP_UNDEF | |
1989 | && discard_locals == LOCALS_UNDEF | |
1990 | && strip_specific_list == NULL) | |
1991 | strip_symbols = STRIP_ALL; | |
1992 | ||
1993 | if (output_target == (char *) NULL) | |
1994 | output_target = input_target; | |
1995 | ||
1996 | i = optind; | |
1997 | if (i == argc | |
1998 | || (output_file != NULL && (i + 1) < argc)) | |
1999 | strip_usage (stderr, 1); | |
2000 | ||
2001 | for (; i < argc; i++) | |
2002 | { | |
2003 | int hold_status = status; | |
2004 | struct stat statbuf; | |
2005 | char *tmpname; | |
2006 | ||
2007 | if (preserve_dates) | |
2008 | { | |
2009 | if (stat (argv[i], &statbuf) < 0) | |
2010 | { | |
2011 | non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno)); | |
2012 | continue; | |
2013 | } | |
2014 | } | |
2015 | ||
2016 | if (output_file != NULL) | |
2017 | tmpname = output_file; | |
2018 | else | |
2019 | tmpname = make_tempname (argv[i]); | |
2020 | status = 0; | |
2021 | ||
2022 | copy_file (argv[i], tmpname, input_target, output_target); | |
2023 | if (status == 0) | |
2024 | { | |
2025 | if (preserve_dates) | |
2026 | set_times (tmpname, &statbuf); | |
2027 | if (output_file == NULL) | |
2028 | smart_rename (tmpname, argv[i], preserve_dates); | |
2029 | status = hold_status; | |
2030 | } | |
2031 | else | |
2032 | unlink (tmpname); | |
2033 | if (output_file == NULL) | |
2034 | free (tmpname); | |
2035 | } | |
2036 | ||
2037 | return 0; | |
2038 | } | |
2039 | ||
2040 | static int | |
2041 | copy_main (argc, argv) | |
2042 | int argc; | |
2043 | char *argv[]; | |
2044 | { | |
43a0748c | 2045 | char * binary_architecture = NULL; |
252b5132 RH |
2046 | char *input_filename = NULL, *output_filename = NULL; |
2047 | char *input_target = NULL, *output_target = NULL; | |
2048 | boolean show_version = false; | |
2049 | boolean change_warn = true; | |
2050 | int c; | |
2051 | struct section_list *p; | |
2052 | struct stat statbuf; | |
2053 | ||
6d900bf6 | 2054 | while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXVvW:", |
252b5132 RH |
2055 | copy_options, (int *) 0)) != EOF) |
2056 | { | |
2057 | switch (c) | |
2058 | { | |
2059 | case 'b': | |
2060 | copy_byte = atoi (optarg); | |
2061 | if (copy_byte < 0) | |
2062 | fatal (_("byte number must be non-negative")); | |
2063 | break; | |
57938635 | 2064 | |
43a0748c NC |
2065 | case 'B': |
2066 | binary_architecture = optarg; | |
2067 | break; | |
2068 | ||
252b5132 RH |
2069 | case 'i': |
2070 | interleave = atoi (optarg); | |
2071 | if (interleave < 1) | |
2072 | fatal (_("interleave must be positive")); | |
2073 | break; | |
57938635 | 2074 | |
252b5132 RH |
2075 | case 'I': |
2076 | case 's': /* "source" - 'I' is preferred */ | |
2077 | input_target = optarg; | |
2078 | break; | |
57938635 | 2079 | |
252b5132 RH |
2080 | case 'O': |
2081 | case 'd': /* "destination" - 'O' is preferred */ | |
2082 | output_target = optarg; | |
2083 | break; | |
57938635 | 2084 | |
252b5132 RH |
2085 | case 'F': |
2086 | input_target = output_target = optarg; | |
2087 | break; | |
57938635 | 2088 | |
f91ea849 ILT |
2089 | case 'j': |
2090 | p = find_section_list (optarg, true); | |
2091 | if (p->remove) | |
2092 | fatal (_("%s both copied and removed"), optarg); | |
2093 | p->copy = true; | |
2094 | sections_copied = true; | |
2095 | break; | |
57938635 | 2096 | |
252b5132 RH |
2097 | case 'R': |
2098 | p = find_section_list (optarg, true); | |
f91ea849 ILT |
2099 | if (p->copy) |
2100 | fatal (_("%s both copied and removed"), optarg); | |
252b5132 RH |
2101 | p->remove = true; |
2102 | sections_removed = true; | |
2103 | break; | |
57938635 | 2104 | |
252b5132 RH |
2105 | case 'S': |
2106 | strip_symbols = STRIP_ALL; | |
2107 | break; | |
57938635 | 2108 | |
252b5132 RH |
2109 | case 'g': |
2110 | strip_symbols = STRIP_DEBUG; | |
2111 | break; | |
57938635 | 2112 | |
252b5132 RH |
2113 | case OPTION_STRIP_UNNEEDED: |
2114 | strip_symbols = STRIP_UNNEEDED; | |
2115 | break; | |
57938635 | 2116 | |
252b5132 RH |
2117 | case 'K': |
2118 | add_specific_symbol (optarg, &keep_specific_list); | |
2119 | break; | |
57938635 | 2120 | |
252b5132 RH |
2121 | case 'N': |
2122 | add_specific_symbol (optarg, &strip_specific_list); | |
2123 | break; | |
57938635 | 2124 | |
252b5132 RH |
2125 | case 'L': |
2126 | add_specific_symbol (optarg, &localize_specific_list); | |
2127 | break; | |
57938635 | 2128 | |
16b2b71c NC |
2129 | case 'G': |
2130 | add_specific_symbol (optarg, &keepglobal_specific_list); | |
2131 | break; | |
2132 | ||
252b5132 RH |
2133 | case 'W': |
2134 | add_specific_symbol (optarg, &weaken_specific_list); | |
2135 | break; | |
57938635 | 2136 | |
252b5132 RH |
2137 | case 'p': |
2138 | preserve_dates = true; | |
2139 | break; | |
57938635 | 2140 | |
252b5132 RH |
2141 | case 'x': |
2142 | discard_locals = LOCALS_ALL; | |
2143 | break; | |
57938635 | 2144 | |
252b5132 RH |
2145 | case 'X': |
2146 | discard_locals = LOCALS_START_L; | |
2147 | break; | |
57938635 | 2148 | |
252b5132 RH |
2149 | case 'v': |
2150 | verbose = true; | |
2151 | break; | |
57938635 | 2152 | |
252b5132 RH |
2153 | case 'V': |
2154 | show_version = true; | |
2155 | break; | |
57938635 | 2156 | |
252b5132 RH |
2157 | case OPTION_WEAKEN: |
2158 | weaken = true; | |
2159 | break; | |
57938635 | 2160 | |
252b5132 RH |
2161 | case OPTION_ADD_SECTION: |
2162 | { | |
2163 | const char *s; | |
2164 | struct stat st; | |
2165 | struct section_add *pa; | |
2166 | int len; | |
2167 | char *name; | |
2168 | FILE *f; | |
2169 | ||
2170 | s = strchr (optarg, '='); | |
57938635 | 2171 | |
252b5132 | 2172 | if (s == NULL) |
57938635 | 2173 | fatal (_("bad format for %s"), "--add-section"); |
252b5132 RH |
2174 | |
2175 | if (stat (s + 1, & st) < 0) | |
2176 | fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno)); | |
2177 | ||
2178 | pa = (struct section_add *) xmalloc (sizeof (struct section_add)); | |
2179 | ||
2180 | len = s - optarg; | |
2181 | name = (char *) xmalloc (len + 1); | |
2182 | strncpy (name, optarg, len); | |
2183 | name[len] = '\0'; | |
2184 | pa->name = name; | |
2185 | ||
2186 | pa->filename = s + 1; | |
2187 | ||
2188 | pa->size = st.st_size; | |
2189 | ||
2190 | pa->contents = (bfd_byte *) xmalloc (pa->size); | |
2191 | f = fopen (pa->filename, FOPEN_RB); | |
57938635 | 2192 | |
252b5132 RH |
2193 | if (f == NULL) |
2194 | fatal (_("cannot open: %s: %s"), pa->filename, strerror (errno)); | |
57938635 | 2195 | |
252b5132 RH |
2196 | if (fread (pa->contents, 1, pa->size, f) == 0 |
2197 | || ferror (f)) | |
2198 | fatal (_("%s: fread failed"), pa->filename); | |
2199 | ||
2200 | fclose (f); | |
2201 | ||
2202 | pa->next = add_sections; | |
2203 | add_sections = pa; | |
2204 | } | |
2205 | break; | |
57938635 | 2206 | |
252b5132 RH |
2207 | case OPTION_CHANGE_START: |
2208 | change_start = parse_vma (optarg, "--change-start"); | |
2209 | break; | |
57938635 | 2210 | |
252b5132 RH |
2211 | case OPTION_CHANGE_SECTION_ADDRESS: |
2212 | case OPTION_CHANGE_SECTION_LMA: | |
2213 | case OPTION_CHANGE_SECTION_VMA: | |
2214 | { | |
2215 | const char *s; | |
2216 | int len; | |
2217 | char *name; | |
b4c96d0d | 2218 | char *option = NULL; |
252b5132 | 2219 | bfd_vma val; |
b4c96d0d | 2220 | enum change_action what = CHANGE_IGNORE; |
57938635 | 2221 | |
252b5132 RH |
2222 | switch (c) |
2223 | { | |
b4c96d0d ILT |
2224 | case OPTION_CHANGE_SECTION_ADDRESS: |
2225 | option = "--change-section-address"; | |
2226 | break; | |
2227 | case OPTION_CHANGE_SECTION_LMA: | |
2228 | option = "--change-section-lma"; | |
2229 | break; | |
2230 | case OPTION_CHANGE_SECTION_VMA: | |
2231 | option = "--change-section-vma"; | |
2232 | break; | |
252b5132 | 2233 | } |
57938635 | 2234 | |
252b5132 RH |
2235 | s = strchr (optarg, '='); |
2236 | if (s == NULL) | |
2237 | { | |
2238 | s = strchr (optarg, '+'); | |
2239 | if (s == NULL) | |
2240 | { | |
2241 | s = strchr (optarg, '-'); | |
2242 | if (s == NULL) | |
2243 | fatal (_("bad format for %s"), option); | |
2244 | } | |
2245 | } | |
2246 | ||
2247 | len = s - optarg; | |
2248 | name = (char *) xmalloc (len + 1); | |
2249 | strncpy (name, optarg, len); | |
2250 | name[len] = '\0'; | |
2251 | ||
2252 | p = find_section_list (name, true); | |
2253 | ||
2254 | val = parse_vma (s + 1, option); | |
2255 | ||
2256 | switch (*s) | |
2257 | { | |
2258 | case '=': what = CHANGE_SET; break; | |
2259 | case '-': val = - val; /* Drop through. */ | |
2260 | case '+': what = CHANGE_MODIFY; break; | |
2261 | } | |
57938635 | 2262 | |
252b5132 RH |
2263 | switch (c) |
2264 | { | |
2265 | case OPTION_CHANGE_SECTION_ADDRESS: | |
2266 | p->change_vma = what; | |
2267 | p->vma_val = val; | |
2268 | /* Drop through. */ | |
57938635 | 2269 | |
252b5132 RH |
2270 | case OPTION_CHANGE_SECTION_LMA: |
2271 | p->change_lma = what; | |
2272 | p->lma_val = val; | |
2273 | break; | |
57938635 | 2274 | |
252b5132 RH |
2275 | case OPTION_CHANGE_SECTION_VMA: |
2276 | p->change_vma = what; | |
2277 | p->vma_val = val; | |
2278 | break; | |
2279 | } | |
2280 | } | |
2281 | break; | |
57938635 | 2282 | |
252b5132 RH |
2283 | case OPTION_CHANGE_ADDRESSES: |
2284 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
2285 | change_start = change_section_address; | |
2286 | break; | |
57938635 | 2287 | |
252b5132 RH |
2288 | case OPTION_CHANGE_WARNINGS: |
2289 | change_warn = true; | |
2290 | break; | |
57938635 | 2291 | |
252b5132 RH |
2292 | case OPTION_CHANGE_LEADING_CHAR: |
2293 | change_leading_char = true; | |
2294 | break; | |
57938635 | 2295 | |
252b5132 RH |
2296 | case OPTION_DEBUGGING: |
2297 | convert_debugging = true; | |
2298 | break; | |
57938635 | 2299 | |
252b5132 RH |
2300 | case OPTION_GAP_FILL: |
2301 | { | |
2302 | bfd_vma gap_fill_vma; | |
2303 | ||
2304 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
2305 | gap_fill = (bfd_byte) gap_fill_vma; | |
2306 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
2307 | { | |
2308 | char buff[20]; | |
57938635 | 2309 | |
252b5132 | 2310 | sprintf_vma (buff, gap_fill_vma); |
57938635 | 2311 | |
252b5132 RH |
2312 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), |
2313 | buff, gap_fill); | |
2314 | } | |
2315 | gap_fill_set = true; | |
2316 | } | |
2317 | break; | |
57938635 | 2318 | |
252b5132 RH |
2319 | case OPTION_NO_CHANGE_WARNINGS: |
2320 | change_warn = false; | |
2321 | break; | |
57938635 | 2322 | |
252b5132 RH |
2323 | case OPTION_PAD_TO: |
2324 | pad_to = parse_vma (optarg, "--pad-to"); | |
2325 | pad_to_set = true; | |
2326 | break; | |
57938635 | 2327 | |
252b5132 RH |
2328 | case OPTION_REMOVE_LEADING_CHAR: |
2329 | remove_leading_char = true; | |
2330 | break; | |
57938635 AM |
2331 | |
2332 | case OPTION_REDEFINE_SYM: | |
2333 | { | |
2334 | /* Push this redefinition onto redefine_symbol_list. */ | |
2335 | ||
2336 | int len; | |
2337 | const char *s; | |
2338 | const char *nextarg; | |
2339 | char *source, *target; | |
2340 | ||
2341 | s = strchr (optarg, '='); | |
2342 | if (s == NULL) | |
594ef5db | 2343 | fatal (_("bad format for %s"), "--redefine-sym"); |
57938635 AM |
2344 | |
2345 | len = s - optarg; | |
2346 | source = (char *) xmalloc (len + 1); | |
2347 | strncpy (source, optarg, len); | |
2348 | source[len] = '\0'; | |
2349 | ||
2350 | nextarg = s + 1; | |
2351 | len = strlen (nextarg); | |
2352 | target = (char *) xmalloc (len + 1); | |
2353 | strcpy (target, nextarg); | |
2354 | ||
2355 | redefine_list_append (source, target); | |
2356 | ||
2357 | free (source); | |
2358 | free (target); | |
2359 | } | |
2360 | break; | |
2361 | ||
252b5132 RH |
2362 | case OPTION_SET_SECTION_FLAGS: |
2363 | { | |
2364 | const char *s; | |
2365 | int len; | |
2366 | char *name; | |
2367 | ||
2368 | s = strchr (optarg, '='); | |
2369 | if (s == NULL) | |
57938635 | 2370 | fatal (_("bad format for %s"), "--set-section-flags"); |
252b5132 RH |
2371 | |
2372 | len = s - optarg; | |
2373 | name = (char *) xmalloc (len + 1); | |
2374 | strncpy (name, optarg, len); | |
2375 | name[len] = '\0'; | |
2376 | ||
2377 | p = find_section_list (name, true); | |
2378 | ||
2379 | p->set_flags = true; | |
2380 | p->flags = parse_flags (s + 1); | |
2381 | } | |
2382 | break; | |
57938635 | 2383 | |
594ef5db NC |
2384 | case OPTION_RENAME_SECTION: |
2385 | { | |
2386 | flagword flags; | |
2387 | const char * s; | |
2388 | char * old_name; | |
2389 | char * new_name; | |
2390 | unsigned int len; | |
2391 | ||
2392 | s = strchr (optarg, '='); | |
2393 | if (s == NULL) | |
2394 | fatal (_("bad format for %s"), "--rename-section"); | |
2395 | ||
2396 | len = s - optarg; | |
2397 | if (len == 0) | |
2398 | fatal (_("no old name is %s"), "--rename-section"); | |
2399 | ||
2400 | old_name = (char *) xmalloc (len + 1); | |
2401 | strncpy (old_name, optarg, len); | |
2402 | old_name[len] = 0; | |
2403 | ||
2404 | s = strchr (optarg + len, ','); | |
2405 | if (s) | |
2406 | { | |
2407 | unsigned int new_len; | |
2408 | ||
2409 | flags = parse_flags (s + 1); | |
2410 | new_len = s - (optarg + len); | |
2411 | if (new_len == 0) | |
2412 | fatal (_("no new name in %s"), "--rename-section"); | |
2413 | new_name = (char *) xmalloc (new_len + 1); | |
2414 | strncpy (new_name, optarg + len, new_len); | |
2415 | new_name [new_len] = 0; | |
2416 | } | |
2417 | else | |
2418 | { | |
2419 | s = optarg + len; | |
2420 | len = strlen (s); | |
2421 | if (len == 0) | |
2422 | fatal (_("no new name in %s"), "--rename-section"); | |
2423 | new_name = (char *) xmalloc (len + 1); | |
2424 | strcpy (new_name, s); | |
2425 | flags = -1; | |
2426 | } | |
2427 | ||
2428 | add_section_rename (old_name, new_name, flags); | |
2429 | } | |
2430 | break; | |
2431 | ||
252b5132 RH |
2432 | case OPTION_SET_START: |
2433 | set_start = parse_vma (optarg, "--set-start"); | |
2434 | set_start_set = true; | |
2435 | break; | |
57938635 | 2436 | |
420496c1 NC |
2437 | case OPTION_SREC_LEN: |
2438 | Chunk = parse_vma (optarg, "--srec-len"); | |
2439 | break; | |
2440 | ||
2441 | case OPTION_SREC_FORCES3: | |
2442 | S3Forced = true; | |
2443 | break; | |
2444 | ||
16b2b71c NC |
2445 | case OPTION_STRIP_SYMBOLS: |
2446 | add_specific_symbols (optarg, &strip_specific_list); | |
2447 | break; | |
2448 | ||
2449 | case OPTION_KEEP_SYMBOLS: | |
2450 | add_specific_symbols (optarg, &keep_specific_list); | |
2451 | break; | |
2452 | ||
2453 | case OPTION_LOCALIZE_SYMBOLS: | |
2454 | add_specific_symbols (optarg, &localize_specific_list); | |
2455 | break; | |
2456 | ||
2457 | case OPTION_KEEPGLOBAL_SYMBOLS: | |
2458 | add_specific_symbols (optarg, &keepglobal_specific_list); | |
2459 | break; | |
2460 | ||
2461 | case OPTION_WEAKEN_SYMBOLS: | |
2462 | add_specific_symbols (optarg, &weaken_specific_list); | |
2463 | break; | |
2464 | ||
252b5132 RH |
2465 | case 0: |
2466 | break; /* we've been given a long option */ | |
57938635 | 2467 | |
252b5132 RH |
2468 | case 'h': |
2469 | copy_usage (stdout, 0); | |
57938635 | 2470 | |
252b5132 RH |
2471 | default: |
2472 | copy_usage (stderr, 1); | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | if (show_version) | |
2477 | print_version ("objcopy"); | |
2478 | ||
2479 | if (copy_byte >= interleave) | |
2480 | fatal (_("byte number must be less than interleave")); | |
2481 | ||
2482 | if (optind == argc || optind + 2 < argc) | |
2483 | copy_usage (stderr, 1); | |
2484 | ||
2485 | input_filename = argv[optind]; | |
2486 | if (optind + 1 < argc) | |
2487 | output_filename = argv[optind + 1]; | |
2488 | ||
2489 | /* Default is to strip no symbols. */ | |
2490 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) | |
2491 | strip_symbols = STRIP_NONE; | |
2492 | ||
2493 | if (output_target == (char *) NULL) | |
2494 | output_target = input_target; | |
2495 | ||
43a0748c | 2496 | if (binary_architecture != (char *) NULL) |
252b5132 | 2497 | { |
43a0748c NC |
2498 | if (input_target && strcmp (input_target, "binary") == 0) |
2499 | { | |
2500 | const bfd_arch_info_type * temp_arch_info; | |
2501 | ||
2502 | temp_arch_info = bfd_scan_arch (binary_architecture); | |
2503 | ||
2504 | if (temp_arch_info != NULL) | |
2505 | bfd_external_binary_architecture = temp_arch_info->arch; | |
2506 | else | |
2507 | fatal (_("architecture %s unknown"), binary_architecture); | |
2508 | } | |
2509 | else | |
2510 | { | |
2511 | non_fatal (_("Warning: input target 'binary' required for binary architecture parameter.")); | |
2512 | non_fatal (_(" Argument %s ignored"), binary_architecture); | |
2513 | } | |
252b5132 RH |
2514 | } |
2515 | ||
43a0748c NC |
2516 | if (preserve_dates) |
2517 | if (stat (input_filename, & statbuf) < 0) | |
2518 | fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno)); | |
2519 | ||
252b5132 RH |
2520 | /* If there is no destination file then create a temp and rename |
2521 | the result into the input. */ | |
2522 | ||
2523 | if (output_filename == (char *) NULL) | |
2524 | { | |
2525 | char *tmpname = make_tempname (input_filename); | |
2526 | ||
2527 | copy_file (input_filename, tmpname, input_target, output_target); | |
2528 | if (status == 0) | |
57938635 | 2529 | { |
252b5132 RH |
2530 | if (preserve_dates) |
2531 | set_times (tmpname, &statbuf); | |
2532 | smart_rename (tmpname, input_filename, preserve_dates); | |
2533 | } | |
2534 | else | |
2535 | unlink (tmpname); | |
2536 | } | |
2537 | else | |
2538 | { | |
2539 | copy_file (input_filename, output_filename, input_target, output_target); | |
594ef5db | 2540 | |
252b5132 RH |
2541 | if (status == 0 && preserve_dates) |
2542 | set_times (output_filename, &statbuf); | |
2543 | } | |
2544 | ||
2545 | if (change_warn) | |
2546 | { | |
2547 | for (p = change_sections; p != NULL; p = p->next) | |
2548 | { | |
2549 | if (! p->used) | |
2550 | { | |
2551 | if (p->change_vma != CHANGE_IGNORE) | |
2552 | { | |
2553 | char buff [20]; | |
2554 | ||
2555 | sprintf_vma (buff, p->vma_val); | |
57938635 | 2556 | |
252b5132 | 2557 | /* xgettext:c-format */ |
57938635 AM |
2558 | non_fatal (_("%s %s%c0x%s never used"), |
2559 | "--change-section-vma", | |
252b5132 RH |
2560 | p->name, |
2561 | p->change_vma == CHANGE_SET ? '=' : '+', | |
2562 | buff); | |
2563 | } | |
57938635 | 2564 | |
252b5132 RH |
2565 | if (p->change_lma != CHANGE_IGNORE) |
2566 | { | |
2567 | char buff [20]; | |
2568 | ||
2569 | sprintf_vma (buff, p->lma_val); | |
57938635 | 2570 | |
252b5132 | 2571 | /* xgettext:c-format */ |
57938635 AM |
2572 | non_fatal (_("%s %s%c0x%s never used"), |
2573 | "--change-section-lma", | |
252b5132 RH |
2574 | p->name, |
2575 | p->change_lma == CHANGE_SET ? '=' : '+', | |
2576 | buff); | |
2577 | } | |
2578 | } | |
2579 | } | |
2580 | } | |
2581 | ||
2582 | return 0; | |
2583 | } | |
2584 | ||
2585 | int | |
2586 | main (argc, argv) | |
2587 | int argc; | |
2588 | char *argv[]; | |
2589 | { | |
2590 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
2591 | setlocale (LC_MESSAGES, ""); | |
2592 | #endif | |
2593 | bindtextdomain (PACKAGE, LOCALEDIR); | |
2594 | textdomain (PACKAGE); | |
2595 | ||
2596 | program_name = argv[0]; | |
2597 | xmalloc_set_program_name (program_name); | |
2598 | ||
2599 | START_PROGRESS (program_name, 0); | |
2600 | ||
2601 | strip_symbols = STRIP_UNDEF; | |
2602 | discard_locals = LOCALS_UNDEF; | |
2603 | ||
2604 | bfd_init (); | |
2605 | set_default_bfd_target (); | |
2606 | ||
2607 | if (is_strip < 0) | |
2608 | { | |
2609 | int i = strlen (program_name); | |
5af11cab AM |
2610 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
2611 | /* Drop the .exe suffix, if any. */ | |
2612 | if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0) | |
2613 | { | |
2614 | i -= 4; | |
2615 | program_name[i] = '\0'; | |
2616 | } | |
2617 | #endif | |
2618 | is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0); | |
252b5132 RH |
2619 | } |
2620 | ||
2621 | if (is_strip) | |
2622 | strip_main (argc, argv); | |
2623 | else | |
2624 | copy_main (argc, argv); | |
2625 | ||
2626 | END_PROGRESS (program_name); | |
2627 | ||
2628 | return status; | |
2629 | } |