Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* objcopy.c -- copy object file from input to output, optionally massaging it. |
8c2bc687 | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
92f01d61 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007 |
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 | |
b43b5d5f NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
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" |
5fe11841 | 30 | #include "fnmatch.h" |
f0312d39 | 31 | #include "elf-bfd.h" |
252b5132 | 32 | #include <sys/stat.h> |
6e2c86ac | 33 | #include "libbfd.h" |
252b5132 RH |
34 | |
35 | /* A list of symbols to explicitly strip out, or to keep. A linked | |
36 | list is good enough for a small number from the command line, but | |
37 | this will slow things down a lot if many symbols are being | |
0af11b59 | 38 | deleted. */ |
252b5132 RH |
39 | |
40 | struct symlist | |
41 | { | |
42 | const char *name; | |
43 | struct symlist *next; | |
44 | }; | |
45 | ||
57938635 AM |
46 | /* A list to support redefine_sym. */ |
47 | struct redefine_node | |
48 | { | |
49 | char *source; | |
50 | char *target; | |
51 | struct redefine_node *next; | |
52 | }; | |
53 | ||
594ef5db NC |
54 | typedef struct section_rename |
55 | { | |
56 | const char * old_name; | |
57 | const char * new_name; | |
58 | flagword flags; | |
59 | struct section_rename * next; | |
60 | } | |
61 | section_rename; | |
62 | ||
63 | /* List of sections to be renamed. */ | |
84e2f313 | 64 | static section_rename *section_rename_list; |
594ef5db | 65 | |
252b5132 RH |
66 | #define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;} |
67 | ||
84e2f313 NC |
68 | static asymbol **isympp = NULL; /* Input symbols. */ |
69 | static asymbol **osympp = NULL; /* Output symbols that survive stripping. */ | |
252b5132 RH |
70 | |
71 | /* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */ | |
72 | static int copy_byte = -1; | |
73 | static int interleave = 4; | |
74 | ||
b34976b6 AM |
75 | static bfd_boolean verbose; /* Print file and target names. */ |
76 | static bfd_boolean preserve_dates; /* Preserve input file timestamp. */ | |
252b5132 RH |
77 | static int status = 0; /* Exit status. */ |
78 | ||
79 | enum strip_action | |
80 | { | |
81 | STRIP_UNDEF, | |
84e2f313 NC |
82 | STRIP_NONE, /* Don't strip. */ |
83 | STRIP_DEBUG, /* Strip all debugger symbols. */ | |
84 | STRIP_UNNEEDED, /* Strip unnecessary symbols. */ | |
ed1653a7 | 85 | STRIP_NONDEBUG, /* Strip everything but debug info. */ |
84e2f313 | 86 | STRIP_ALL /* Strip all symbols. */ |
252b5132 RH |
87 | }; |
88 | ||
0af11b59 | 89 | /* Which symbols to remove. */ |
252b5132 RH |
90 | static enum strip_action strip_symbols; |
91 | ||
92 | enum locals_action | |
93 | { | |
94 | LOCALS_UNDEF, | |
84e2f313 NC |
95 | LOCALS_START_L, /* Discard locals starting with L. */ |
96 | LOCALS_ALL /* Discard all locals. */ | |
252b5132 RH |
97 | }; |
98 | ||
99 | /* Which local symbols to remove. Overrides STRIP_ALL. */ | |
100 | static enum locals_action discard_locals; | |
101 | ||
102 | /* What kind of change to perform. */ | |
103 | enum change_action | |
104 | { | |
105 | CHANGE_IGNORE, | |
106 | CHANGE_MODIFY, | |
107 | CHANGE_SET | |
108 | }; | |
109 | ||
110 | /* Structure used to hold lists of sections and actions to take. */ | |
111 | struct section_list | |
112 | { | |
b34976b6 AM |
113 | struct section_list * next; /* Next section to change. */ |
114 | const char * name; /* Section name. */ | |
115 | bfd_boolean used; /* Whether this entry was used. */ | |
116 | bfd_boolean remove; /* Whether to remove this section. */ | |
117 | bfd_boolean copy; /* Whether to copy this section. */ | |
118 | enum change_action change_vma;/* Whether to change or set VMA. */ | |
119 | bfd_vma vma_val; /* Amount to change by or set to. */ | |
120 | enum change_action change_lma;/* Whether to change or set LMA. */ | |
121 | bfd_vma lma_val; /* Amount to change by or set to. */ | |
122 | bfd_boolean set_flags; /* Whether to set the section flags. */ | |
123 | flagword flags; /* What to set the section flags to. */ | |
252b5132 RH |
124 | }; |
125 | ||
126 | static struct section_list *change_sections; | |
594ef5db | 127 | |
b34976b6 AM |
128 | /* TRUE if some sections are to be removed. */ |
129 | static bfd_boolean sections_removed; | |
594ef5db | 130 | |
b34976b6 AM |
131 | /* TRUE if only some sections are to be copied. */ |
132 | static bfd_boolean sections_copied; | |
252b5132 RH |
133 | |
134 | /* Changes to the start address. */ | |
135 | static bfd_vma change_start = 0; | |
b34976b6 | 136 | static bfd_boolean set_start_set = FALSE; |
252b5132 RH |
137 | static bfd_vma set_start; |
138 | ||
139 | /* Changes to section addresses. */ | |
140 | static bfd_vma change_section_address = 0; | |
141 | ||
142 | /* Filling gaps between sections. */ | |
b34976b6 | 143 | static bfd_boolean gap_fill_set = FALSE; |
252b5132 RH |
144 | static bfd_byte gap_fill = 0; |
145 | ||
146 | /* Pad to a given address. */ | |
b34976b6 | 147 | static bfd_boolean pad_to_set = FALSE; |
252b5132 RH |
148 | static bfd_vma pad_to; |
149 | ||
f9d4ad2a NC |
150 | /* Use alternative machine code? */ |
151 | static unsigned long use_alt_mach_code = 0; | |
1ae8b3d2 | 152 | |
4087920c MR |
153 | /* Output BFD flags user wants to set or clear */ |
154 | static flagword bfd_flags_to_set; | |
155 | static flagword bfd_flags_to_clear; | |
156 | ||
252b5132 | 157 | /* List of sections to add. */ |
252b5132 RH |
158 | struct section_add |
159 | { | |
160 | /* Next section to add. */ | |
161 | struct section_add *next; | |
162 | /* Name of section to add. */ | |
163 | const char *name; | |
164 | /* Name of file holding section contents. */ | |
165 | const char *filename; | |
166 | /* Size of file. */ | |
167 | size_t size; | |
168 | /* Contents of file. */ | |
169 | bfd_byte *contents; | |
170 | /* BFD section, after it has been added. */ | |
171 | asection *section; | |
172 | }; | |
173 | ||
594ef5db | 174 | /* List of sections to add to the output BFD. */ |
252b5132 RH |
175 | static struct section_add *add_sections; |
176 | ||
2593f09a NC |
177 | /* If non-NULL the argument to --add-gnu-debuglink. |
178 | This should be the filename to store in the .gnu_debuglink section. */ | |
179 | static const char * gnu_debuglink_filename = NULL; | |
180 | ||
252b5132 | 181 | /* Whether to convert debugging information. */ |
b34976b6 | 182 | static bfd_boolean convert_debugging = FALSE; |
252b5132 RH |
183 | |
184 | /* Whether to change the leading character in symbol names. */ | |
b34976b6 | 185 | static bfd_boolean change_leading_char = FALSE; |
252b5132 RH |
186 | |
187 | /* Whether to remove the leading character from global symbol names. */ | |
b34976b6 | 188 | static bfd_boolean remove_leading_char = FALSE; |
252b5132 | 189 | |
aaad4cf3 | 190 | /* Whether to permit wildcard in symbol comparison. */ |
5fe11841 NC |
191 | static bfd_boolean wildcard = FALSE; |
192 | ||
d58c2e3a RS |
193 | /* True if --localize-hidden is in effect. */ |
194 | static bfd_boolean localize_hidden = FALSE; | |
195 | ||
16b2b71c NC |
196 | /* List of symbols to strip, keep, localize, keep-global, weaken, |
197 | or redefine. */ | |
252b5132 | 198 | static struct symlist *strip_specific_list = NULL; |
bcf32829 | 199 | static struct symlist *strip_unneeded_list = NULL; |
252b5132 RH |
200 | static struct symlist *keep_specific_list = NULL; |
201 | static struct symlist *localize_specific_list = NULL; | |
7b4a0685 | 202 | static struct symlist *globalize_specific_list = NULL; |
16b2b71c | 203 | static struct symlist *keepglobal_specific_list = NULL; |
252b5132 | 204 | static struct symlist *weaken_specific_list = NULL; |
57938635 | 205 | static struct redefine_node *redefine_sym_list = NULL; |
252b5132 | 206 | |
b34976b6 AM |
207 | /* If this is TRUE, we weaken global symbols (set BSF_WEAK). */ |
208 | static bfd_boolean weaken = FALSE; | |
252b5132 | 209 | |
1637cd90 JB |
210 | /* If this is TRUE, we retain BSF_FILE symbols. */ |
211 | static bfd_boolean keep_file_symbols = FALSE; | |
212 | ||
d7fb0dd2 NC |
213 | /* Prefix symbols/sections. */ |
214 | static char *prefix_symbols_string = 0; | |
215 | static char *prefix_sections_string = 0; | |
216 | static char *prefix_alloc_sections_string = 0; | |
217 | ||
d3e52d40 RS |
218 | /* True if --extract-symbol was passed on the command line. */ |
219 | static bfd_boolean extract_symbol = FALSE; | |
220 | ||
252b5132 | 221 | /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ |
84e2f313 NC |
222 | enum command_line_switch |
223 | { | |
224 | OPTION_ADD_SECTION=150, | |
225 | OPTION_CHANGE_ADDRESSES, | |
226 | OPTION_CHANGE_LEADING_CHAR, | |
227 | OPTION_CHANGE_START, | |
228 | OPTION_CHANGE_SECTION_ADDRESS, | |
229 | OPTION_CHANGE_SECTION_LMA, | |
230 | OPTION_CHANGE_SECTION_VMA, | |
231 | OPTION_CHANGE_WARNINGS, | |
232 | OPTION_DEBUGGING, | |
233 | OPTION_GAP_FILL, | |
234 | OPTION_NO_CHANGE_WARNINGS, | |
235 | OPTION_PAD_TO, | |
236 | OPTION_REMOVE_LEADING_CHAR, | |
237 | OPTION_SET_SECTION_FLAGS, | |
238 | OPTION_SET_START, | |
239 | OPTION_STRIP_UNNEEDED, | |
240 | OPTION_WEAKEN, | |
241 | OPTION_REDEFINE_SYM, | |
242 | OPTION_REDEFINE_SYMS, | |
243 | OPTION_SREC_LEN, | |
244 | OPTION_SREC_FORCES3, | |
245 | OPTION_STRIP_SYMBOLS, | |
bcf32829 JB |
246 | OPTION_STRIP_UNNEEDED_SYMBOL, |
247 | OPTION_STRIP_UNNEEDED_SYMBOLS, | |
84e2f313 | 248 | OPTION_KEEP_SYMBOLS, |
d58c2e3a | 249 | OPTION_LOCALIZE_HIDDEN, |
84e2f313 | 250 | OPTION_LOCALIZE_SYMBOLS, |
7b4a0685 NC |
251 | OPTION_GLOBALIZE_SYMBOL, |
252 | OPTION_GLOBALIZE_SYMBOLS, | |
84e2f313 NC |
253 | OPTION_KEEPGLOBAL_SYMBOLS, |
254 | OPTION_WEAKEN_SYMBOLS, | |
255 | OPTION_RENAME_SECTION, | |
256 | OPTION_ALT_MACH_CODE, | |
257 | OPTION_PREFIX_SYMBOLS, | |
258 | OPTION_PREFIX_SECTIONS, | |
259 | OPTION_PREFIX_ALLOC_SECTIONS, | |
260 | OPTION_FORMATS_INFO, | |
261 | OPTION_ADD_GNU_DEBUGLINK, | |
4087920c | 262 | OPTION_ONLY_KEEP_DEBUG, |
1637cd90 | 263 | OPTION_KEEP_FILE_SYMBOLS, |
4087920c MR |
264 | OPTION_READONLY_TEXT, |
265 | OPTION_WRITABLE_TEXT, | |
266 | OPTION_PURE, | |
d3e52d40 RS |
267 | OPTION_IMPURE, |
268 | OPTION_EXTRACT_SYMBOL | |
84e2f313 | 269 | }; |
252b5132 RH |
270 | |
271 | /* Options to handle if running as "strip". */ | |
272 | ||
273 | static struct option strip_options[] = | |
274 | { | |
275 | {"discard-all", no_argument, 0, 'x'}, | |
276 | {"discard-locals", no_argument, 0, 'X'}, | |
277 | {"format", required_argument, 0, 'F'}, /* Obsolete */ | |
278 | {"help", no_argument, 0, 'h'}, | |
7c29036b | 279 | {"info", no_argument, 0, OPTION_FORMATS_INFO}, |
252b5132 RH |
280 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
281 | {"input-target", required_argument, 0, 'I'}, | |
1637cd90 | 282 | {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS}, |
252b5132 | 283 | {"keep-symbol", required_argument, 0, 'K'}, |
ed1653a7 | 284 | {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG}, |
252b5132 RH |
285 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
286 | {"output-target", required_argument, 0, 'O'}, | |
af3bdff7 | 287 | {"output-file", required_argument, 0, 'o'}, |
252b5132 RH |
288 | {"preserve-dates", no_argument, 0, 'p'}, |
289 | {"remove-section", required_argument, 0, 'R'}, | |
290 | {"strip-all", no_argument, 0, 's'}, | |
291 | {"strip-debug", no_argument, 0, 'S'}, | |
292 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
293 | {"strip-symbol", required_argument, 0, 'N'}, | |
294 | {"target", required_argument, 0, 'F'}, | |
295 | {"verbose", no_argument, 0, 'v'}, | |
296 | {"version", no_argument, 0, 'V'}, | |
5fe11841 | 297 | {"wildcard", no_argument, 0, 'w'}, |
252b5132 RH |
298 | {0, no_argument, 0, 0} |
299 | }; | |
300 | ||
301 | /* Options to handle if running as "objcopy". */ | |
302 | ||
303 | static struct option copy_options[] = | |
304 | { | |
2593f09a | 305 | {"add-gnu-debuglink", required_argument, 0, OPTION_ADD_GNU_DEBUGLINK}, |
252b5132 RH |
306 | {"add-section", required_argument, 0, OPTION_ADD_SECTION}, |
307 | {"adjust-start", required_argument, 0, OPTION_CHANGE_START}, | |
308 | {"adjust-vma", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
309 | {"adjust-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
310 | {"adjust-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
d7fb0dd2 | 311 | {"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE}, |
43a0748c | 312 | {"binary-architecture", required_argument, 0, 'B'}, |
252b5132 RH |
313 | {"byte", required_argument, 0, 'b'}, |
314 | {"change-addresses", required_argument, 0, OPTION_CHANGE_ADDRESSES}, | |
315 | {"change-leading-char", no_argument, 0, OPTION_CHANGE_LEADING_CHAR}, | |
316 | {"change-section-address", required_argument, 0, OPTION_CHANGE_SECTION_ADDRESS}, | |
317 | {"change-section-lma", required_argument, 0, OPTION_CHANGE_SECTION_LMA}, | |
318 | {"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA}, | |
319 | {"change-start", required_argument, 0, OPTION_CHANGE_START}, | |
320 | {"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS}, | |
321 | {"debugging", no_argument, 0, OPTION_DEBUGGING}, | |
322 | {"discard-all", no_argument, 0, 'x'}, | |
323 | {"discard-locals", no_argument, 0, 'X'}, | |
d3e52d40 | 324 | {"extract-symbol", no_argument, 0, OPTION_EXTRACT_SYMBOL}, |
252b5132 RH |
325 | {"format", required_argument, 0, 'F'}, /* Obsolete */ |
326 | {"gap-fill", required_argument, 0, OPTION_GAP_FILL}, | |
7b4a0685 NC |
327 | {"globalize-symbol", required_argument, 0, OPTION_GLOBALIZE_SYMBOL}, |
328 | {"globalize-symbols", required_argument, 0, OPTION_GLOBALIZE_SYMBOLS}, | |
252b5132 | 329 | {"help", no_argument, 0, 'h'}, |
4087920c | 330 | {"impure", no_argument, 0, OPTION_IMPURE}, |
7c29036b | 331 | {"info", no_argument, 0, OPTION_FORMATS_INFO}, |
252b5132 RH |
332 | {"input-format", required_argument, 0, 'I'}, /* Obsolete */ |
333 | {"input-target", required_argument, 0, 'I'}, | |
334 | {"interleave", required_argument, 0, 'i'}, | |
1637cd90 | 335 | {"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS}, |
d7fb0dd2 NC |
336 | {"keep-global-symbol", required_argument, 0, 'G'}, |
337 | {"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS}, | |
252b5132 | 338 | {"keep-symbol", required_argument, 0, 'K'}, |
d7fb0dd2 | 339 | {"keep-symbols", required_argument, 0, OPTION_KEEP_SYMBOLS}, |
d58c2e3a | 340 | {"localize-hidden", no_argument, 0, OPTION_LOCALIZE_HIDDEN}, |
d7fb0dd2 NC |
341 | {"localize-symbol", required_argument, 0, 'L'}, |
342 | {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS}, | |
252b5132 RH |
343 | {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, |
344 | {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, | |
ed1653a7 | 345 | {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG}, |
d7fb0dd2 | 346 | {"only-section", required_argument, 0, 'j'}, |
252b5132 RH |
347 | {"output-format", required_argument, 0, 'O'}, /* Obsolete */ |
348 | {"output-target", required_argument, 0, 'O'}, | |
349 | {"pad-to", required_argument, 0, OPTION_PAD_TO}, | |
d7fb0dd2 NC |
350 | {"prefix-symbols", required_argument, 0, OPTION_PREFIX_SYMBOLS}, |
351 | {"prefix-sections", required_argument, 0, OPTION_PREFIX_SECTIONS}, | |
352 | {"prefix-alloc-sections", required_argument, 0, OPTION_PREFIX_ALLOC_SECTIONS}, | |
252b5132 | 353 | {"preserve-dates", no_argument, 0, 'p'}, |
4087920c MR |
354 | {"pure", no_argument, 0, OPTION_PURE}, |
355 | {"readonly-text", no_argument, 0, OPTION_READONLY_TEXT}, | |
d7fb0dd2 | 356 | {"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM}, |
92991082 | 357 | {"redefine-syms", required_argument, 0, OPTION_REDEFINE_SYMS}, |
252b5132 RH |
358 | {"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR}, |
359 | {"remove-section", required_argument, 0, 'R'}, | |
594ef5db | 360 | {"rename-section", required_argument, 0, OPTION_RENAME_SECTION}, |
252b5132 RH |
361 | {"set-section-flags", required_argument, 0, OPTION_SET_SECTION_FLAGS}, |
362 | {"set-start", required_argument, 0, OPTION_SET_START}, | |
d7fb0dd2 NC |
363 | {"srec-len", required_argument, 0, OPTION_SREC_LEN}, |
364 | {"srec-forceS3", no_argument, 0, OPTION_SREC_FORCES3}, | |
252b5132 RH |
365 | {"strip-all", no_argument, 0, 'S'}, |
366 | {"strip-debug", no_argument, 0, 'g'}, | |
367 | {"strip-unneeded", no_argument, 0, OPTION_STRIP_UNNEEDED}, | |
bcf32829 JB |
368 | {"strip-unneeded-symbol", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOL}, |
369 | {"strip-unneeded-symbols", required_argument, 0, OPTION_STRIP_UNNEEDED_SYMBOLS}, | |
252b5132 | 370 | {"strip-symbol", required_argument, 0, 'N'}, |
d7fb0dd2 | 371 | {"strip-symbols", required_argument, 0, OPTION_STRIP_SYMBOLS}, |
252b5132 RH |
372 | {"target", required_argument, 0, 'F'}, |
373 | {"verbose", no_argument, 0, 'v'}, | |
374 | {"version", no_argument, 0, 'V'}, | |
375 | {"weaken", no_argument, 0, OPTION_WEAKEN}, | |
376 | {"weaken-symbol", required_argument, 0, 'W'}, | |
16b2b71c | 377 | {"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS}, |
5fe11841 | 378 | {"wildcard", no_argument, 0, 'w'}, |
4087920c | 379 | {"writable-text", no_argument, 0, OPTION_WRITABLE_TEXT}, |
252b5132 RH |
380 | {0, no_argument, 0, 0} |
381 | }; | |
382 | ||
383 | /* IMPORTS */ | |
384 | extern char *program_name; | |
385 | ||
386 | /* This flag distinguishes between strip and objcopy: | |
387 | 1 means this is 'strip'; 0 means this is 'objcopy'. | |
0af11b59 | 388 | -1 means if we should use argv[0] to decide. */ |
252b5132 RH |
389 | extern int is_strip; |
390 | ||
420496c1 NC |
391 | /* The maximum length of an S record. This variable is declared in srec.c |
392 | and can be modified by the --srec-len parameter. */ | |
393 | extern unsigned int Chunk; | |
394 | ||
395 | /* Restrict the generation of Srecords to type S3 only. | |
396 | This variable is declare in bfd/srec.c and can be toggled | |
397 | on by the --srec-forceS3 command line switch. */ | |
b34976b6 | 398 | extern bfd_boolean S3Forced; |
252b5132 | 399 | |
b749473b NC |
400 | /* Defined in bfd/binary.c. Used to set architecture and machine of input |
401 | binary files. */ | |
402 | extern enum bfd_architecture bfd_external_binary_architecture; | |
403 | extern unsigned long bfd_external_machine; | |
43a0748c | 404 | |
d3ba0551 AM |
405 | /* Forward declarations. */ |
406 | static void setup_section (bfd *, asection *, void *); | |
80fccad2 | 407 | static void setup_bfd_headers (bfd *, bfd *); |
d3ba0551 AM |
408 | static void copy_section (bfd *, asection *, void *); |
409 | static void get_sections (bfd *, asection *, void *); | |
410 | static int compare_section_lma (const void *, const void *); | |
411 | static void mark_symbols_used_in_relocations (bfd *, asection *, void *); | |
412 | static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***); | |
413 | static const char *lookup_sym_redefinition (const char *); | |
594ef5db | 414 | \f |
252b5132 | 415 | static void |
84e2f313 | 416 | copy_usage (FILE *stream, int exit_status) |
252b5132 | 417 | { |
8b53311e NC |
418 | fprintf (stream, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name); |
419 | fprintf (stream, _(" Copies a binary file, possibly transforming it in the process\n")); | |
6364e0b4 | 420 | fprintf (stream, _(" The options are:\n")); |
252b5132 | 421 | fprintf (stream, _("\ |
d5bcb29d NC |
422 | -I --input-target <bfdname> Assume input file is in format <bfdname>\n\ |
423 | -O --output-target <bfdname> Create an output file in format <bfdname>\n\ | |
43a0748c | 424 | -B --binary-architecture <arch> Set arch of output file, when input is binary\n\ |
d5bcb29d NC |
425 | -F --target <bfdname> Set both input and output format to <bfdname>\n\ |
426 | --debugging Convert debugging information, if possible\n\ | |
427 | -p --preserve-dates Copy modified/access timestamps to the output\n\ | |
428 | -j --only-section <name> Only copy section <name> into the output\n\ | |
2593f09a | 429 | --add-gnu-debuglink=<file> Add section .gnu_debuglink linking to <file>\n\ |
d5bcb29d NC |
430 | -R --remove-section <name> Remove section <name> from the output\n\ |
431 | -S --strip-all Remove all symbol and relocation information\n\ | |
2593f09a | 432 | -g --strip-debug Remove all debugging symbols & sections\n\ |
d5bcb29d NC |
433 | --strip-unneeded Remove all symbols not needed by relocations\n\ |
434 | -N --strip-symbol <name> Do not copy symbol <name>\n\ | |
bcf32829 JB |
435 | --strip-unneeded-symbol <name>\n\ |
436 | Do not copy symbol <name> unless needed by\n\ | |
437 | relocations\n\ | |
6ea3dd37 | 438 | --only-keep-debug Strip everything but the debug information\n\ |
d3e52d40 | 439 | --extract-symbol Remove section contents but keep symbols\n\ |
e7f918ad | 440 | -K --keep-symbol <name> Do not strip symbol <name>\n\ |
1637cd90 | 441 | --keep-file-symbols Do not strip file symbol(s)\n\ |
d58c2e3a | 442 | --localize-hidden Turn all ELF hidden symbols into locals\n\ |
d5bcb29d | 443 | -L --localize-symbol <name> Force symbol <name> to be marked as a local\n\ |
7b4a0685 | 444 | --globalize-symbol <name> Force symbol <name> to be marked as a global\n\ |
16b2b71c | 445 | -G --keep-global-symbol <name> Localize all symbols except <name>\n\ |
d5bcb29d NC |
446 | -W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\ |
447 | --weaken Force all global symbols to be marked as weak\n\ | |
a95b5cf9 | 448 | -w --wildcard Permit wildcard in symbol comparison\n\ |
d5bcb29d NC |
449 | -x --discard-all Remove all non-global symbols\n\ |
450 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
451 | -i --interleave <number> Only copy one out of every <number> bytes\n\ | |
452 | -b --byte <num> Select byte <num> in every interleaved block\n\ | |
453 | --gap-fill <val> Fill gaps between sections with <val>\n\ | |
454 | --pad-to <addr> Pad the last section up to address <addr>\n\ | |
455 | --set-start <addr> Set the start address to <addr>\n\ | |
456 | {--change-start|--adjust-start} <incr>\n\ | |
457 | Add <incr> to the start address\n\ | |
458 | {--change-addresses|--adjust-vma} <incr>\n\ | |
459 | Add <incr> to LMA, VMA and start addresses\n\ | |
460 | {--change-section-address|--adjust-section-vma} <name>{=|+|-}<val>\n\ | |
461 | Change LMA and VMA of section <name> by <val>\n\ | |
462 | --change-section-lma <name>{=|+|-}<val>\n\ | |
463 | Change the LMA of section <name> by <val>\n\ | |
464 | --change-section-vma <name>{=|+|-}<val>\n\ | |
465 | Change the VMA of section <name> by <val>\n\ | |
466 | {--[no-]change-warnings|--[no-]adjust-warnings}\n\ | |
467 | Warn if a named section does not exist\n\ | |
468 | --set-section-flags <name>=<flags>\n\ | |
469 | Set section <name>'s properties to <flags>\n\ | |
470 | --add-section <name>=<file> Add section <name> found in <file> to output\n\ | |
594ef5db | 471 | --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\ |
d5bcb29d NC |
472 | --change-leading-char Force output format's leading character style\n\ |
473 | --remove-leading-char Remove leading character from global symbols\n\ | |
57938635 | 474 | --redefine-sym <old>=<new> Redefine symbol name <old> to <new>\n\ |
92991082 JT |
475 | --redefine-syms <file> --redefine-sym for all symbol pairs \n\ |
476 | listed in <file>\n\ | |
420496c1 NC |
477 | --srec-len <number> Restrict the length of generated Srecords\n\ |
478 | --srec-forceS3 Restrict the type of generated Srecords to S3\n\ | |
16b2b71c | 479 | --strip-symbols <file> -N for all symbols listed in <file>\n\ |
bcf32829 JB |
480 | --strip-unneeded-symbols <file>\n\ |
481 | --strip-unneeded-symbol for all symbols listed\n\ | |
482 | in <file>\n\ | |
16b2b71c NC |
483 | --keep-symbols <file> -K for all symbols listed in <file>\n\ |
484 | --localize-symbols <file> -L for all symbols listed in <file>\n\ | |
7b4a0685 | 485 | --globalize-symbols <file> --globalize-symbol for all in <file>\n\ |
16b2b71c NC |
486 | --keep-global-symbols <file> -G for all symbols listed in <file>\n\ |
487 | --weaken-symbols <file> -W for all symbols listed in <file>\n\ | |
f9d4ad2a | 488 | --alt-machine-code <index> Use the target's <index>'th alternative machine\n\ |
4087920c MR |
489 | --writable-text Mark the output text as writable\n\ |
490 | --readonly-text Make the output text write protected\n\ | |
491 | --pure Mark the output file as demand paged\n\ | |
492 | --impure Mark the output file as impure\n\ | |
d7fb0dd2 NC |
493 | --prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\ |
494 | --prefix-sections <prefix> Add <prefix> to start of every section name\n\ | |
495 | --prefix-alloc-sections <prefix>\n\ | |
496 | Add <prefix> to start of every allocatable\n\ | |
497 | section name\n\ | |
d5bcb29d | 498 | -v --verbose List all object files modified\n\ |
07012eee | 499 | @<file> Read options from <file>\n\ |
d5bcb29d NC |
500 | -V --version Display this program's version number\n\ |
501 | -h --help Display this output\n\ | |
7c29036b | 502 | --info List object formats & architectures supported\n\ |
d5bcb29d | 503 | ")); |
252b5132 | 504 | list_supported_targets (program_name, stream); |
92f01d61 | 505 | if (REPORT_BUGS_TO[0] && exit_status == 0) |
8ad3436c | 506 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
507 | exit (exit_status); |
508 | } | |
509 | ||
510 | static void | |
84e2f313 | 511 | strip_usage (FILE *stream, int exit_status) |
252b5132 | 512 | { |
8b53311e NC |
513 | fprintf (stream, _("Usage: %s <option(s)> in-file(s)\n"), program_name); |
514 | fprintf (stream, _(" Removes symbols and sections from files\n")); | |
6364e0b4 | 515 | fprintf (stream, _(" The options are:\n")); |
252b5132 | 516 | fprintf (stream, _("\ |
8b53311e NC |
517 | -I --input-target=<bfdname> Assume input file is in format <bfdname>\n\ |
518 | -O --output-target=<bfdname> Create an output file in format <bfdname>\n\ | |
519 | -F --target=<bfdname> Set both input and output format to <bfdname>\n\ | |
d5bcb29d | 520 | -p --preserve-dates Copy modified/access timestamps to the output\n\ |
8b53311e | 521 | -R --remove-section=<name> Remove section <name> from the output\n\ |
d5bcb29d | 522 | -s --strip-all Remove all symbol and relocation information\n\ |
2593f09a | 523 | -g -S -d --strip-debug Remove all debugging symbols & sections\n\ |
d5bcb29d | 524 | --strip-unneeded Remove all symbols not needed by relocations\n\ |
6ea3dd37 | 525 | --only-keep-debug Strip everything but the debug information\n\ |
8b53311e | 526 | -N --strip-symbol=<name> Do not copy symbol <name>\n\ |
5219e4c0 | 527 | -K --keep-symbol=<name> Do not strip symbol <name>\n\ |
1637cd90 | 528 | --keep-file-symbols Do not strip file symbol(s)\n\ |
a95b5cf9 | 529 | -w --wildcard Permit wildcard in symbol comparison\n\ |
d5bcb29d NC |
530 | -x --discard-all Remove all non-global symbols\n\ |
531 | -X --discard-locals Remove any compiler-generated symbols\n\ | |
532 | -v --verbose List all object files modified\n\ | |
533 | -V --version Display this program's version number\n\ | |
534 | -h --help Display this output\n\ | |
7c29036b | 535 | --info List object formats & architectures supported\n\ |
d5bcb29d NC |
536 | -o <file> Place stripped output into <file>\n\ |
537 | ")); | |
538 | ||
252b5132 | 539 | list_supported_targets (program_name, stream); |
92f01d61 | 540 | if (REPORT_BUGS_TO[0] && exit_status == 0) |
8ad3436c | 541 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
542 | exit (exit_status); |
543 | } | |
544 | ||
545 | /* Parse section flags into a flagword, with a fatal error if the | |
546 | string can't be parsed. */ | |
547 | ||
548 | static flagword | |
84e2f313 | 549 | parse_flags (const char *s) |
252b5132 RH |
550 | { |
551 | flagword ret; | |
552 | const char *snext; | |
553 | int len; | |
554 | ||
555 | ret = SEC_NO_FLAGS; | |
556 | ||
557 | do | |
558 | { | |
559 | snext = strchr (s, ','); | |
560 | if (snext == NULL) | |
561 | len = strlen (s); | |
562 | else | |
563 | { | |
564 | len = snext - s; | |
565 | ++snext; | |
566 | } | |
567 | ||
568 | if (0) ; | |
569 | #define PARSE_FLAG(fname,fval) \ | |
570 | else if (strncasecmp (fname, s, len) == 0) ret |= fval | |
571 | PARSE_FLAG ("alloc", SEC_ALLOC); | |
572 | PARSE_FLAG ("load", SEC_LOAD); | |
3994e2c6 | 573 | PARSE_FLAG ("noload", SEC_NEVER_LOAD); |
252b5132 | 574 | PARSE_FLAG ("readonly", SEC_READONLY); |
3994e2c6 | 575 | PARSE_FLAG ("debug", SEC_DEBUGGING); |
252b5132 RH |
576 | PARSE_FLAG ("code", SEC_CODE); |
577 | PARSE_FLAG ("data", SEC_DATA); | |
578 | PARSE_FLAG ("rom", SEC_ROM); | |
ebe372c1 | 579 | PARSE_FLAG ("share", SEC_COFF_SHARED); |
252b5132 RH |
580 | PARSE_FLAG ("contents", SEC_HAS_CONTENTS); |
581 | #undef PARSE_FLAG | |
582 | else | |
583 | { | |
584 | char *copy; | |
585 | ||
586 | copy = xmalloc (len + 1); | |
587 | strncpy (copy, s, len); | |
588 | copy[len] = '\0'; | |
589 | non_fatal (_("unrecognized section flag `%s'"), copy); | |
57938635 AM |
590 | fatal (_("supported flags: %s"), |
591 | "alloc, load, noload, readonly, debug, code, data, rom, share, contents"); | |
252b5132 RH |
592 | } |
593 | ||
594 | s = snext; | |
595 | } | |
596 | while (s != NULL); | |
597 | ||
598 | return ret; | |
599 | } | |
600 | ||
601 | /* Find and optionally add an entry in the change_sections list. */ | |
602 | ||
603 | static struct section_list * | |
84e2f313 | 604 | find_section_list (const char *name, bfd_boolean add) |
252b5132 | 605 | { |
84e2f313 | 606 | struct section_list *p; |
252b5132 RH |
607 | |
608 | for (p = change_sections; p != NULL; p = p->next) | |
609 | if (strcmp (p->name, name) == 0) | |
610 | return p; | |
611 | ||
612 | if (! add) | |
613 | return NULL; | |
614 | ||
d3ba0551 | 615 | p = xmalloc (sizeof (struct section_list)); |
252b5132 | 616 | p->name = name; |
b34976b6 AM |
617 | p->used = FALSE; |
618 | p->remove = FALSE; | |
619 | p->copy = FALSE; | |
252b5132 RH |
620 | p->change_vma = CHANGE_IGNORE; |
621 | p->change_lma = CHANGE_IGNORE; | |
622 | p->vma_val = 0; | |
623 | p->lma_val = 0; | |
b34976b6 | 624 | p->set_flags = FALSE; |
252b5132 RH |
625 | p->flags = 0; |
626 | ||
627 | p->next = change_sections; | |
628 | change_sections = p; | |
629 | ||
630 | return p; | |
631 | } | |
632 | ||
633 | /* Add a symbol to strip_specific_list. */ | |
634 | ||
57938635 | 635 | static void |
84e2f313 | 636 | add_specific_symbol (const char *name, struct symlist **list) |
252b5132 RH |
637 | { |
638 | struct symlist *tmp_list; | |
639 | ||
d3ba0551 | 640 | tmp_list = xmalloc (sizeof (struct symlist)); |
252b5132 RH |
641 | tmp_list->name = name; |
642 | tmp_list->next = *list; | |
643 | *list = tmp_list; | |
644 | } | |
645 | ||
0af11b59 | 646 | /* Add symbols listed in `filename' to strip_specific_list. */ |
16b2b71c NC |
647 | |
648 | #define IS_WHITESPACE(c) ((c) == ' ' || (c) == '\t') | |
649 | #define IS_LINE_TERMINATOR(c) ((c) == '\n' || (c) == '\r' || (c) == '\0') | |
650 | ||
651 | static void | |
84e2f313 | 652 | add_specific_symbols (const char *filename, struct symlist **list) |
16b2b71c | 653 | { |
f24ddbdd | 654 | off_t size; |
16b2b71c NC |
655 | FILE * f; |
656 | char * line; | |
657 | char * buffer; | |
658 | unsigned int line_count; | |
0af11b59 | 659 | |
f24ddbdd NC |
660 | size = get_file_size (filename); |
661 | if (size == 0) | |
d68c385b NC |
662 | { |
663 | status = 1; | |
664 | return; | |
665 | } | |
16b2b71c | 666 | |
f24ddbdd | 667 | buffer = xmalloc (size + 2); |
16b2b71c NC |
668 | f = fopen (filename, FOPEN_RT); |
669 | if (f == NULL) | |
f24ddbdd | 670 | fatal (_("cannot open '%s': %s"), filename, strerror (errno)); |
16b2b71c | 671 | |
f24ddbdd | 672 | if (fread (buffer, 1, size, f) == 0 || ferror (f)) |
16b2b71c NC |
673 | fatal (_("%s: fread failed"), filename); |
674 | ||
675 | fclose (f); | |
f24ddbdd NC |
676 | buffer [size] = '\n'; |
677 | buffer [size + 1] = '\0'; | |
16b2b71c NC |
678 | |
679 | line_count = 1; | |
0af11b59 | 680 | |
16b2b71c NC |
681 | for (line = buffer; * line != '\0'; line ++) |
682 | { | |
683 | char * eol; | |
684 | char * name; | |
685 | char * name_end; | |
b34976b6 | 686 | int finished = FALSE; |
16b2b71c NC |
687 | |
688 | for (eol = line;; eol ++) | |
689 | { | |
690 | switch (* eol) | |
691 | { | |
692 | case '\n': | |
693 | * eol = '\0'; | |
694 | /* Cope with \n\r. */ | |
695 | if (eol[1] == '\r') | |
696 | ++ eol; | |
b34976b6 | 697 | finished = TRUE; |
16b2b71c | 698 | break; |
0af11b59 | 699 | |
16b2b71c NC |
700 | case '\r': |
701 | * eol = '\0'; | |
702 | /* Cope with \r\n. */ | |
703 | if (eol[1] == '\n') | |
704 | ++ eol; | |
b34976b6 | 705 | finished = TRUE; |
16b2b71c | 706 | break; |
0af11b59 | 707 | |
16b2b71c | 708 | case 0: |
b34976b6 | 709 | finished = TRUE; |
16b2b71c | 710 | break; |
0af11b59 | 711 | |
16b2b71c NC |
712 | case '#': |
713 | /* Line comment, Terminate the line here, in case a | |
714 | name is present and then allow the rest of the | |
715 | loop to find the real end of the line. */ | |
716 | * eol = '\0'; | |
717 | break; | |
0af11b59 | 718 | |
16b2b71c NC |
719 | default: |
720 | break; | |
721 | } | |
722 | ||
723 | if (finished) | |
724 | break; | |
725 | } | |
726 | ||
727 | /* A name may now exist somewhere between 'line' and 'eol'. | |
728 | Strip off leading whitespace and trailing whitespace, | |
729 | then add it to the list. */ | |
730 | for (name = line; IS_WHITESPACE (* name); name ++) | |
731 | ; | |
732 | for (name_end = name; | |
733 | (! IS_WHITESPACE (* name_end)) | |
734 | && (! IS_LINE_TERMINATOR (* name_end)); | |
0af11b59 KH |
735 | name_end ++) |
736 | ; | |
16b2b71c NC |
737 | |
738 | if (! IS_LINE_TERMINATOR (* name_end)) | |
739 | { | |
740 | char * extra; | |
741 | ||
742 | for (extra = name_end + 1; IS_WHITESPACE (* extra); extra ++) | |
743 | ; | |
744 | ||
745 | if (! IS_LINE_TERMINATOR (* extra)) | |
d412a550 NC |
746 | non_fatal (_("%s:%d: Ignoring rubbish found on this line"), |
747 | filename, line_count); | |
16b2b71c | 748 | } |
0af11b59 | 749 | |
16b2b71c NC |
750 | * name_end = '\0'; |
751 | ||
752 | if (name_end > name) | |
753 | add_specific_symbol (name, list); | |
754 | ||
755 | /* Advance line pointer to end of line. The 'eol ++' in the for | |
756 | loop above will then advance us to the start of the next line. */ | |
757 | line = eol; | |
758 | line_count ++; | |
759 | } | |
760 | } | |
761 | ||
252b5132 RH |
762 | /* See whether a symbol should be stripped or kept based on |
763 | strip_specific_list and keep_symbols. */ | |
764 | ||
b34976b6 | 765 | static bfd_boolean |
84e2f313 | 766 | is_specified_symbol (const char *name, struct symlist *list) |
252b5132 RH |
767 | { |
768 | struct symlist *tmp_list; | |
769 | ||
5fe11841 NC |
770 | if (wildcard) |
771 | { | |
772 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) | |
773 | if (*(tmp_list->name) != '!') | |
774 | { | |
775 | if (!fnmatch (tmp_list->name, name, 0)) | |
776 | return TRUE; | |
777 | } | |
778 | else | |
779 | { | |
780 | if (fnmatch (tmp_list->name + 1, name, 0)) | |
781 | return TRUE; | |
782 | } | |
783 | } | |
784 | else | |
785 | { | |
786 | for (tmp_list = list; tmp_list; tmp_list = tmp_list->next) | |
787 | if (strcmp (name, tmp_list->name) == 0) | |
788 | return TRUE; | |
789 | } | |
594ef5db | 790 | |
b34976b6 | 791 | return FALSE; |
252b5132 RH |
792 | } |
793 | ||
30288845 AM |
794 | /* Return a pointer to the symbol used as a signature for GROUP. */ |
795 | ||
796 | static asymbol * | |
797 | group_signature (asection *group) | |
798 | { | |
799 | bfd *abfd = group->owner; | |
800 | Elf_Internal_Shdr *ghdr; | |
801 | ||
802 | if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) | |
803 | return NULL; | |
804 | ||
805 | ghdr = &elf_section_data (group)->this_hdr; | |
806 | if (ghdr->sh_link < elf_numsections (abfd)) | |
807 | { | |
808 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
809 | Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; | |
810 | ||
811 | if (symhdr->sh_type == SHT_SYMTAB | |
812 | && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) | |
748fc5e9 | 813 | return isympp[ghdr->sh_info - 1]; |
30288845 AM |
814 | } |
815 | return NULL; | |
816 | } | |
817 | ||
252b5132 RH |
818 | /* See if a section is being removed. */ |
819 | ||
b34976b6 | 820 | static bfd_boolean |
84e2f313 | 821 | is_strip_section (bfd *abfd ATTRIBUTE_UNUSED, asection *sec) |
252b5132 | 822 | { |
2593f09a NC |
823 | if (sections_removed || sections_copied) |
824 | { | |
825 | struct section_list *p; | |
826 | ||
827 | p = find_section_list (bfd_get_section_name (abfd, sec), FALSE); | |
828 | ||
829 | if (sections_removed && p != NULL && p->remove) | |
830 | return TRUE; | |
831 | if (sections_copied && (p == NULL || ! p->copy)) | |
832 | return TRUE; | |
833 | } | |
252b5132 | 834 | |
2593f09a NC |
835 | if ((bfd_get_section_flags (abfd, sec) & SEC_DEBUGGING) != 0) |
836 | { | |
837 | if (strip_symbols == STRIP_DEBUG | |
252b5132 RH |
838 | || strip_symbols == STRIP_UNNEEDED |
839 | || strip_symbols == STRIP_ALL | |
840 | || discard_locals == LOCALS_ALL | |
2593f09a NC |
841 | || convert_debugging) |
842 | return TRUE; | |
ed1653a7 NC |
843 | |
844 | if (strip_symbols == STRIP_NONDEBUG) | |
845 | return FALSE; | |
2593f09a | 846 | } |
f91ea849 | 847 | |
30288845 AM |
848 | if ((bfd_get_section_flags (abfd, sec) & SEC_GROUP) != 0) |
849 | { | |
850 | asymbol *gsym; | |
851 | const char *gname; | |
852 | ||
853 | /* PR binutils/3166 | |
854 | Group sections look like debugging sections but they are not. | |
855 | (They have a non-zero size but they are not ALLOCated). */ | |
856 | if (strip_symbols == STRIP_NONDEBUG) | |
857 | return TRUE; | |
858 | ||
859 | /* PR binutils/3181 | |
860 | If we are going to strip the group signature symbol, then | |
861 | strip the group section too. */ | |
862 | gsym = group_signature (sec); | |
863 | if (gsym != NULL) | |
864 | gname = gsym->name; | |
865 | else | |
866 | gname = sec->name; | |
867 | if ((strip_symbols == STRIP_ALL | |
868 | && !is_specified_symbol (gname, keep_specific_list)) | |
869 | || is_specified_symbol (gname, strip_specific_list)) | |
870 | return TRUE; | |
871 | } | |
91bb255c | 872 | |
f0312d39 | 873 | return FALSE; |
252b5132 RH |
874 | } |
875 | ||
d58c2e3a RS |
876 | /* Return true if SYM is a hidden symbol. */ |
877 | ||
878 | static bfd_boolean | |
879 | is_hidden_symbol (asymbol *sym) | |
880 | { | |
881 | elf_symbol_type *elf_sym; | |
882 | ||
883 | elf_sym = elf_symbol_from (sym->the_bfd, sym); | |
884 | if (elf_sym != NULL) | |
885 | switch (ELF_ST_VISIBILITY (elf_sym->internal_elf_sym.st_other)) | |
886 | { | |
887 | case STV_HIDDEN: | |
888 | case STV_INTERNAL: | |
889 | return TRUE; | |
890 | } | |
891 | return FALSE; | |
892 | } | |
893 | ||
252b5132 RH |
894 | /* Choose which symbol entries to copy; put the result in OSYMS. |
895 | We don't copy in place, because that confuses the relocs. | |
896 | Return the number of symbols to print. */ | |
897 | ||
898 | static unsigned int | |
84e2f313 NC |
899 | filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms, |
900 | asymbol **isyms, long symcount) | |
252b5132 | 901 | { |
84e2f313 | 902 | asymbol **from = isyms, **to = osyms; |
252b5132 | 903 | long src_count = 0, dst_count = 0; |
d8121479 L |
904 | int relocatable = (abfd->flags & (HAS_RELOC | EXEC_P | DYNAMIC)) |
905 | == HAS_RELOC; | |
252b5132 RH |
906 | |
907 | for (; src_count < symcount; src_count++) | |
908 | { | |
909 | asymbol *sym = from[src_count]; | |
910 | flagword flags = sym->flags; | |
d7fb0dd2 | 911 | char *name = (char *) bfd_asymbol_name (sym); |
252b5132 | 912 | int keep; |
b34976b6 | 913 | bfd_boolean undefined; |
d7fb0dd2 NC |
914 | bfd_boolean rem_leading_char; |
915 | bfd_boolean add_leading_char; | |
916 | ||
917 | undefined = bfd_is_und_section (bfd_get_section (sym)); | |
252b5132 | 918 | |
57938635 AM |
919 | if (redefine_sym_list) |
920 | { | |
d7fb0dd2 | 921 | char *old_name, *new_name; |
57938635 | 922 | |
d7fb0dd2 NC |
923 | old_name = (char *) bfd_asymbol_name (sym); |
924 | new_name = (char *) lookup_sym_redefinition (old_name); | |
66491ebc AM |
925 | bfd_asymbol_name (sym) = new_name; |
926 | name = new_name; | |
57938635 AM |
927 | } |
928 | ||
d7fb0dd2 NC |
929 | /* Check if we will remove the current leading character. */ |
930 | rem_leading_char = | |
931 | (name[0] == bfd_get_symbol_leading_char (abfd)) | |
932 | && (change_leading_char | |
933 | || (remove_leading_char | |
934 | && ((flags & (BSF_GLOBAL | BSF_WEAK)) != 0 | |
935 | || undefined | |
936 | || bfd_is_com_section (bfd_get_section (sym))))); | |
937 | ||
938 | /* Check if we will add a new leading character. */ | |
939 | add_leading_char = | |
940 | change_leading_char | |
941 | && (bfd_get_symbol_leading_char (obfd) != '\0') | |
942 | && (bfd_get_symbol_leading_char (abfd) == '\0' | |
943 | || (name[0] == bfd_get_symbol_leading_char (abfd))); | |
944 | ||
945 | /* Short circuit for change_leading_char if we can do it in-place. */ | |
946 | if (rem_leading_char && add_leading_char && !prefix_symbols_string) | |
947 | { | |
948 | name[0] = bfd_get_symbol_leading_char (obfd); | |
949 | bfd_asymbol_name (sym) = name; | |
950 | rem_leading_char = FALSE; | |
951 | add_leading_char = FALSE; | |
952 | } | |
953 | ||
954 | /* Remove leading char. */ | |
955 | if (rem_leading_char) | |
66491ebc | 956 | bfd_asymbol_name (sym) = ++name; |
d7fb0dd2 NC |
957 | |
958 | /* Add new leading char and/or prefix. */ | |
959 | if (add_leading_char || prefix_symbols_string) | |
960 | { | |
961 | char *n, *ptr; | |
962 | ||
84e2f313 NC |
963 | ptr = n = xmalloc (1 + strlen (prefix_symbols_string) |
964 | + strlen (name) + 1); | |
d7fb0dd2 NC |
965 | if (add_leading_char) |
966 | *ptr++ = bfd_get_symbol_leading_char (obfd); | |
967 | ||
968 | if (prefix_symbols_string) | |
969 | { | |
970 | strcpy (ptr, prefix_symbols_string); | |
971 | ptr += strlen (prefix_symbols_string); | |
972 | } | |
973 | ||
974 | strcpy (ptr, name); | |
66491ebc AM |
975 | bfd_asymbol_name (sym) = n; |
976 | name = n; | |
252b5132 RH |
977 | } |
978 | ||
252b5132 RH |
979 | if (strip_symbols == STRIP_ALL) |
980 | keep = 0; | |
981 | else if ((flags & BSF_KEEP) != 0 /* Used in relocation. */ | |
982 | || ((flags & BSF_SECTION_SYM) != 0 | |
983 | && ((*bfd_get_section (sym)->symbol_ptr_ptr)->flags | |
984 | & BSF_KEEP) != 0)) | |
985 | keep = 1; | |
0af11b59 | 986 | else if (relocatable /* Relocatable file. */ |
d8121479 L |
987 | && (flags & (BSF_GLOBAL | BSF_WEAK)) != 0) |
988 | keep = 1; | |
16b2b71c NC |
989 | else if (bfd_decode_symclass (sym) == 'I') |
990 | /* Global symbols in $idata sections need to be retained | |
b34976b6 | 991 | even if relocatable is FALSE. External users of the |
16b2b71c NC |
992 | library containing the $idata section may reference these |
993 | symbols. */ | |
af3bdff7 | 994 | keep = 1; |
252b5132 RH |
995 | else if ((flags & BSF_GLOBAL) != 0 /* Global symbol. */ |
996 | || (flags & BSF_WEAK) != 0 | |
24e01a36 | 997 | || undefined |
252b5132 RH |
998 | || bfd_is_com_section (bfd_get_section (sym))) |
999 | keep = strip_symbols != STRIP_UNNEEDED; | |
1000 | else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */ | |
1001 | keep = (strip_symbols != STRIP_DEBUG | |
1002 | && strip_symbols != STRIP_UNNEEDED | |
1003 | && ! convert_debugging); | |
082b7297 | 1004 | else if (bfd_coff_get_comdat_section (abfd, bfd_get_section (sym))) |
af3bdff7 NC |
1005 | /* COMDAT sections store special information in local |
1006 | symbols, so we cannot risk stripping any of them. */ | |
1007 | keep = 1; | |
252b5132 RH |
1008 | else /* Local symbol. */ |
1009 | keep = (strip_symbols != STRIP_UNNEEDED | |
1010 | && (discard_locals != LOCALS_ALL | |
1011 | && (discard_locals != LOCALS_START_L | |
1012 | || ! bfd_is_local_label (abfd, sym)))); | |
1013 | ||
1014 | if (keep && is_specified_symbol (name, strip_specific_list)) | |
1015 | keep = 0; | |
bcf32829 JB |
1016 | if (keep |
1017 | && !(flags & BSF_KEEP) | |
1018 | && is_specified_symbol (name, strip_unneeded_list)) | |
1019 | keep = 0; | |
1637cd90 JB |
1020 | if (!keep |
1021 | && ((keep_file_symbols && (flags & BSF_FILE)) | |
1022 | || is_specified_symbol (name, keep_specific_list))) | |
252b5132 RH |
1023 | keep = 1; |
1024 | if (keep && is_strip_section (abfd, bfd_get_section (sym))) | |
1025 | keep = 0; | |
e0c60db2 | 1026 | |
7b4a0685 | 1027 | if (keep) |
252b5132 | 1028 | { |
7b4a0685 NC |
1029 | if ((flags & BSF_GLOBAL) != 0 |
1030 | && (weaken || is_specified_symbol (name, weaken_specific_list))) | |
1031 | { | |
1032 | sym->flags &= ~ BSF_GLOBAL; | |
1033 | sym->flags |= BSF_WEAK; | |
1034 | } | |
252b5132 | 1035 | |
7b4a0685 NC |
1036 | if (!undefined |
1037 | && (flags & (BSF_GLOBAL | BSF_WEAK)) | |
1038 | && (is_specified_symbol (name, localize_specific_list) | |
1039 | || (keepglobal_specific_list != NULL | |
d58c2e3a RS |
1040 | && ! is_specified_symbol (name, keepglobal_specific_list)) |
1041 | || (localize_hidden && is_hidden_symbol (sym)))) | |
7b4a0685 NC |
1042 | { |
1043 | sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK); | |
1044 | sym->flags |= BSF_LOCAL; | |
1045 | } | |
1046 | ||
1047 | if (!undefined | |
1048 | && (flags & BSF_LOCAL) | |
1049 | && is_specified_symbol (name, globalize_specific_list)) | |
1050 | { | |
1051 | sym->flags &= ~ BSF_LOCAL; | |
1052 | sym->flags |= BSF_GLOBAL; | |
1053 | } | |
1054 | ||
1055 | to[dst_count++] = sym; | |
1056 | } | |
252b5132 RH |
1057 | } |
1058 | ||
1059 | to[dst_count] = NULL; | |
1060 | ||
1061 | return dst_count; | |
1062 | } | |
1063 | ||
594ef5db NC |
1064 | /* Find the redefined name of symbol SOURCE. */ |
1065 | ||
57938635 | 1066 | static const char * |
84e2f313 | 1067 | lookup_sym_redefinition (const char *source) |
57938635 | 1068 | { |
57938635 AM |
1069 | struct redefine_node *list; |
1070 | ||
57938635 | 1071 | for (list = redefine_sym_list; list != NULL; list = list->next) |
594ef5db NC |
1072 | if (strcmp (source, list->source) == 0) |
1073 | return list->target; | |
1074 | ||
1075 | return source; | |
57938635 AM |
1076 | } |
1077 | ||
594ef5db | 1078 | /* Add a node to a symbol redefine list. */ |
57938635 AM |
1079 | |
1080 | static void | |
84e2f313 | 1081 | redefine_list_append (const char *cause, const char *source, const char *target) |
57938635 AM |
1082 | { |
1083 | struct redefine_node **p; | |
1084 | struct redefine_node *list; | |
1085 | struct redefine_node *new_node; | |
1086 | ||
1087 | for (p = &redefine_sym_list; (list = *p) != NULL; p = &list->next) | |
1088 | { | |
1089 | if (strcmp (source, list->source) == 0) | |
594ef5db | 1090 | fatal (_("%s: Multiple redefinition of symbol \"%s\""), |
92991082 | 1091 | cause, source); |
57938635 AM |
1092 | |
1093 | if (strcmp (target, list->target) == 0) | |
594ef5db | 1094 | fatal (_("%s: Symbol \"%s\" is target of more than one redefinition"), |
92991082 | 1095 | cause, target); |
57938635 AM |
1096 | } |
1097 | ||
d3ba0551 | 1098 | new_node = xmalloc (sizeof (struct redefine_node)); |
57938635 AM |
1099 | |
1100 | new_node->source = strdup (source); | |
1101 | new_node->target = strdup (target); | |
1102 | new_node->next = NULL; | |
1103 | ||
1104 | *p = new_node; | |
1105 | } | |
1106 | ||
92991082 JT |
1107 | /* Handle the --redefine-syms option. Read lines containing "old new" |
1108 | from the file, and add them to the symbol redefine list. */ | |
1109 | ||
2593f09a | 1110 | static void |
84e2f313 | 1111 | add_redefine_syms_file (const char *filename) |
92991082 JT |
1112 | { |
1113 | FILE *file; | |
1114 | char *buf; | |
84e2f313 NC |
1115 | size_t bufsize; |
1116 | size_t len; | |
1117 | size_t outsym_off; | |
92991082 JT |
1118 | int c, lineno; |
1119 | ||
1120 | file = fopen (filename, "r"); | |
d3ba0551 | 1121 | if (file == NULL) |
92991082 JT |
1122 | fatal (_("couldn't open symbol redefinition file %s (error: %s)"), |
1123 | filename, strerror (errno)); | |
1124 | ||
1125 | bufsize = 100; | |
d3ba0551 | 1126 | buf = xmalloc (bufsize); |
92991082 JT |
1127 | |
1128 | lineno = 1; | |
1129 | c = getc (file); | |
1130 | len = 0; | |
1131 | outsym_off = 0; | |
1132 | while (c != EOF) | |
1133 | { | |
1134 | /* Collect the input symbol name. */ | |
1135 | while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF) | |
1136 | { | |
1137 | if (c == '#') | |
1138 | goto comment; | |
1139 | buf[len++] = c; | |
1140 | if (len >= bufsize) | |
1141 | { | |
1142 | bufsize *= 2; | |
1143 | buf = xrealloc (buf, bufsize); | |
1144 | } | |
1145 | c = getc (file); | |
1146 | } | |
1147 | buf[len++] = '\0'; | |
1148 | if (c == EOF) | |
1149 | break; | |
1150 | ||
1151 | /* Eat white space between the symbol names. */ | |
1152 | while (IS_WHITESPACE (c)) | |
1153 | c = getc (file); | |
1154 | if (c == '#' || IS_LINE_TERMINATOR (c)) | |
1155 | goto comment; | |
1156 | if (c == EOF) | |
1157 | break; | |
1158 | ||
1159 | /* Collect the output symbol name. */ | |
1160 | outsym_off = len; | |
1161 | while (! IS_WHITESPACE (c) && ! IS_LINE_TERMINATOR (c) && c != EOF) | |
1162 | { | |
1163 | if (c == '#') | |
1164 | goto comment; | |
1165 | buf[len++] = c; | |
1166 | if (len >= bufsize) | |
1167 | { | |
1168 | bufsize *= 2; | |
1169 | buf = xrealloc (buf, bufsize); | |
1170 | } | |
1171 | c = getc (file); | |
1172 | } | |
1173 | buf[len++] = '\0'; | |
1174 | if (c == EOF) | |
1175 | break; | |
1176 | ||
1177 | /* Eat white space at end of line. */ | |
1178 | while (! IS_LINE_TERMINATOR(c) && c != EOF && IS_WHITESPACE (c)) | |
1179 | c = getc (file); | |
1180 | if (c == '#') | |
1181 | goto comment; | |
1182 | /* Handle \r\n. */ | |
1183 | if ((c == '\r' && (c = getc (file)) == '\n') | |
1184 | || c == '\n' || c == EOF) | |
1185 | { | |
1186 | end_of_line: | |
1187 | /* Append the redefinition to the list. */ | |
1188 | if (buf[0] != '\0') | |
1189 | redefine_list_append (filename, &buf[0], &buf[outsym_off]); | |
1190 | ||
1191 | lineno++; | |
1192 | len = 0; | |
1193 | outsym_off = 0; | |
1194 | if (c == EOF) | |
1195 | break; | |
1196 | c = getc (file); | |
1197 | continue; | |
1198 | } | |
1199 | else | |
d412a550 | 1200 | fatal (_("%s:%d: garbage found at end of line"), filename, lineno); |
92991082 JT |
1201 | comment: |
1202 | if (len != 0 && (outsym_off == 0 || outsym_off == len)) | |
d412a550 | 1203 | fatal (_("%s:%d: missing new symbol name"), filename, lineno); |
92991082 JT |
1204 | buf[len++] = '\0'; |
1205 | ||
1206 | /* Eat the rest of the line and finish it. */ | |
1207 | while (c != '\n' && c != EOF) | |
1208 | c = getc (file); | |
1209 | goto end_of_line; | |
1210 | } | |
1211 | ||
1212 | if (len != 0) | |
d412a550 | 1213 | fatal (_("%s:%d: premature end of file"), filename, lineno); |
92991082 JT |
1214 | |
1215 | free (buf); | |
1216 | } | |
1217 | ||
77f762d6 L |
1218 | /* Copy unkown object file IBFD onto OBFD. |
1219 | Returns TRUE upon success, FALSE otherwise. */ | |
1220 | ||
1221 | static bfd_boolean | |
1222 | copy_unknown_object (bfd *ibfd, bfd *obfd) | |
1223 | { | |
1224 | char *cbuf; | |
1225 | int tocopy; | |
1226 | long ncopied; | |
1227 | long size; | |
1228 | struct stat buf; | |
1229 | ||
1230 | if (bfd_stat_arch_elt (ibfd, &buf) != 0) | |
1231 | { | |
1232 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); | |
1233 | return FALSE; | |
1234 | } | |
1235 | ||
1236 | size = buf.st_size; | |
1237 | if (size < 0) | |
1238 | { | |
1239 | non_fatal (_("stat returns negative size for `%s'"), | |
1240 | bfd_get_archive_filename (ibfd)); | |
1241 | return FALSE; | |
1242 | } | |
1243 | ||
1244 | if (bfd_seek (ibfd, (file_ptr) 0, SEEK_SET) != 0) | |
1245 | { | |
1246 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); | |
1247 | return FALSE; | |
1248 | } | |
1249 | ||
1250 | if (verbose) | |
1251 | printf (_("copy from `%s' [unknown] to `%s' [unknown]\n"), | |
1252 | bfd_get_archive_filename (ibfd), bfd_get_filename (obfd)); | |
1253 | ||
1254 | cbuf = xmalloc (BUFSIZE); | |
1255 | ncopied = 0; | |
1256 | while (ncopied < size) | |
1257 | { | |
1258 | tocopy = size - ncopied; | |
1259 | if (tocopy > BUFSIZE) | |
1260 | tocopy = BUFSIZE; | |
1261 | ||
1262 | if (bfd_bread (cbuf, (bfd_size_type) tocopy, ibfd) | |
1263 | != (bfd_size_type) tocopy) | |
1264 | { | |
1265 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); | |
1266 | free (cbuf); | |
1267 | return FALSE; | |
1268 | } | |
1269 | ||
1270 | if (bfd_bwrite (cbuf, (bfd_size_type) tocopy, obfd) | |
1271 | != (bfd_size_type) tocopy) | |
1272 | { | |
1273 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1274 | free (cbuf); | |
1275 | return FALSE; | |
1276 | } | |
1277 | ||
1278 | ncopied += tocopy; | |
1279 | } | |
1280 | ||
1281 | chmod (bfd_get_filename (obfd), buf.st_mode); | |
1282 | free (cbuf); | |
1283 | return TRUE; | |
1284 | } | |
1285 | ||
950d48e7 | 1286 | /* Copy object file IBFD onto OBFD. |
5b8c74e6 | 1287 | Returns TRUE upon success, FALSE otherwise. */ |
252b5132 | 1288 | |
950d48e7 | 1289 | static bfd_boolean |
84e2f313 | 1290 | copy_object (bfd *ibfd, bfd *obfd) |
252b5132 RH |
1291 | { |
1292 | bfd_vma start; | |
1293 | long symcount; | |
1294 | asection **osections = NULL; | |
84e2f313 | 1295 | asection *gnu_debuglink_section = NULL; |
252b5132 RH |
1296 | bfd_size_type *gaps = NULL; |
1297 | bfd_size_type max_gap = 0; | |
1298 | long symsize; | |
84e2f313 | 1299 | void *dhandle; |
66491ebc AM |
1300 | enum bfd_architecture iarch; |
1301 | unsigned int imach; | |
252b5132 | 1302 | |
23719f39 NC |
1303 | if (ibfd->xvec->byteorder != obfd->xvec->byteorder |
1304 | && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN | |
1305 | && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN) | |
950d48e7 | 1306 | fatal (_("Unable to change endianness of input file(s)")); |
252b5132 RH |
1307 | |
1308 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) | |
950d48e7 NC |
1309 | { |
1310 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1311 | return FALSE; | |
1312 | } | |
252b5132 RH |
1313 | |
1314 | if (verbose) | |
77f762d6 L |
1315 | printf (_("copy from `%s' [%s] to `%s' [%s]\n"), |
1316 | bfd_get_archive_filename (ibfd), bfd_get_target (ibfd), | |
252b5132 RH |
1317 | bfd_get_filename (obfd), bfd_get_target (obfd)); |
1318 | ||
d3e52d40 RS |
1319 | if (extract_symbol) |
1320 | start = 0; | |
252b5132 | 1321 | else |
d3e52d40 RS |
1322 | { |
1323 | if (set_start_set) | |
1324 | start = set_start; | |
1325 | else | |
1326 | start = bfd_get_start_address (ibfd); | |
1327 | start += change_start; | |
1328 | } | |
252b5132 | 1329 | |
0af11b59 KH |
1330 | /* Neither the start address nor the flags |
1331 | need to be set for a core file. */ | |
4dd67f29 MS |
1332 | if (bfd_get_format (obfd) != bfd_core) |
1333 | { | |
4087920c MR |
1334 | flagword flags; |
1335 | ||
1336 | flags = bfd_get_file_flags (ibfd); | |
1337 | flags |= bfd_flags_to_set; | |
1338 | flags &= ~bfd_flags_to_clear; | |
1339 | flags &= bfd_applicable_file_flags (obfd); | |
1340 | ||
4dd67f29 | 1341 | if (!bfd_set_start_address (obfd, start) |
4087920c | 1342 | || !bfd_set_file_flags (obfd, flags)) |
950d48e7 | 1343 | { |
77f762d6 | 1344 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); |
950d48e7 NC |
1345 | return FALSE; |
1346 | } | |
4dd67f29 | 1347 | } |
252b5132 | 1348 | |
594ef5db | 1349 | /* Copy architecture of input file to output file. */ |
66491ebc AM |
1350 | iarch = bfd_get_arch (ibfd); |
1351 | imach = bfd_get_mach (ibfd); | |
1352 | if (!bfd_set_arch_mach (obfd, iarch, imach) | |
212a3c4d L |
1353 | && (ibfd->target_defaulted |
1354 | || bfd_get_arch (ibfd) != bfd_get_arch (obfd))) | |
f57a841a NC |
1355 | { |
1356 | if (bfd_get_arch (ibfd) == bfd_arch_unknown) | |
77f762d6 L |
1357 | non_fatal (_("Unable to recognise the format of the input file `%s'"), |
1358 | bfd_get_archive_filename (ibfd)); | |
f57a841a | 1359 | else |
77f762d6 L |
1360 | non_fatal (_("Warning: Output file cannot represent architecture `%s'"), |
1361 | bfd_printable_arch_mach (bfd_get_arch (ibfd), | |
1362 | bfd_get_mach (ibfd))); | |
1363 | return FALSE; | |
f57a841a | 1364 | } |
57938635 | 1365 | |
252b5132 | 1366 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
950d48e7 | 1367 | { |
77f762d6 | 1368 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); |
950d48e7 NC |
1369 | return FALSE; |
1370 | } | |
252b5132 RH |
1371 | |
1372 | if (isympp) | |
62d732f5 | 1373 | free (isympp); |
57938635 | 1374 | |
252b5132 | 1375 | if (osympp != isympp) |
62d732f5 AM |
1376 | free (osympp); |
1377 | ||
1378 | isympp = NULL; | |
1379 | osympp = NULL; | |
252b5132 | 1380 | |
c39ada54 AM |
1381 | symsize = bfd_get_symtab_upper_bound (ibfd); |
1382 | if (symsize < 0) | |
1383 | { | |
1384 | bfd_nonfatal (bfd_get_archive_filename (ibfd)); | |
1385 | return FALSE; | |
1386 | } | |
1387 | ||
1388 | osympp = isympp = xmalloc (symsize); | |
1389 | symcount = bfd_canonicalize_symtab (ibfd, isympp); | |
1390 | if (symcount < 0) | |
1391 | { | |
1392 | bfd_nonfatal (bfd_get_filename (ibfd)); | |
1393 | return FALSE; | |
1394 | } | |
1395 | ||
252b5132 RH |
1396 | /* BFD mandates that all output sections be created and sizes set before |
1397 | any output is done. Thus, we traverse all sections multiple times. */ | |
d3ba0551 | 1398 | bfd_map_over_sections (ibfd, setup_section, obfd); |
252b5132 | 1399 | |
80fccad2 BW |
1400 | setup_bfd_headers (ibfd, obfd); |
1401 | ||
252b5132 RH |
1402 | if (add_sections != NULL) |
1403 | { | |
1404 | struct section_add *padd; | |
1405 | struct section_list *pset; | |
1406 | ||
1407 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1408 | { | |
2593f09a NC |
1409 | flagword flags; |
1410 | ||
551b43fd AM |
1411 | pset = find_section_list (padd->name, FALSE); |
1412 | if (pset != NULL) | |
1413 | pset->used = TRUE; | |
1414 | ||
1415 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA; | |
1416 | if (pset != NULL && pset->set_flags) | |
1417 | flags = pset->flags | SEC_HAS_CONTENTS; | |
1418 | ||
c8782eee NC |
1419 | /* bfd_make_section_with_flags() does not return very helpful |
1420 | error codes, so check for the most likely user error first. */ | |
1421 | if (bfd_get_section_by_name (obfd, padd->name)) | |
252b5132 | 1422 | { |
c8782eee | 1423 | non_fatal (_("can't add section '%s' - it already exists!"), padd->name); |
950d48e7 | 1424 | return FALSE; |
252b5132 | 1425 | } |
c8782eee NC |
1426 | else |
1427 | { | |
1428 | padd->section = bfd_make_section_with_flags (obfd, padd->name, flags); | |
1429 | if (padd->section == NULL) | |
1430 | { | |
1431 | non_fatal (_("can't create section `%s': %s"), | |
1432 | padd->name, bfd_errmsg (bfd_get_error ())); | |
1433 | return FALSE; | |
1434 | } | |
1435 | } | |
252b5132 | 1436 | |
2593f09a | 1437 | if (! bfd_set_section_size (obfd, padd->section, padd->size)) |
950d48e7 NC |
1438 | { |
1439 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1440 | return FALSE; | |
1441 | } | |
252b5132 | 1442 | |
2593f09a NC |
1443 | if (pset != NULL) |
1444 | { | |
1445 | if (pset->change_vma != CHANGE_IGNORE) | |
84e2f313 NC |
1446 | if (! bfd_set_section_vma (obfd, padd->section, |
1447 | pset->vma_val)) | |
950d48e7 NC |
1448 | { |
1449 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1450 | return FALSE; | |
1451 | } | |
57938635 | 1452 | |
2593f09a NC |
1453 | if (pset->change_lma != CHANGE_IGNORE) |
1454 | { | |
1455 | padd->section->lma = pset->lma_val; | |
950d48e7 | 1456 | |
2593f09a NC |
1457 | if (! bfd_set_section_alignment |
1458 | (obfd, padd->section, | |
1459 | bfd_section_alignment (obfd, padd->section))) | |
950d48e7 NC |
1460 | { |
1461 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1462 | return FALSE; | |
1463 | } | |
252b5132 RH |
1464 | } |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | ||
2593f09a NC |
1469 | if (gnu_debuglink_filename != NULL) |
1470 | { | |
84e2f313 NC |
1471 | gnu_debuglink_section = bfd_create_gnu_debuglink_section |
1472 | (obfd, gnu_debuglink_filename); | |
e7c81c25 NC |
1473 | |
1474 | if (gnu_debuglink_section == NULL) | |
950d48e7 NC |
1475 | { |
1476 | bfd_nonfatal (gnu_debuglink_filename); | |
1477 | return FALSE; | |
1478 | } | |
6e2c86ac NC |
1479 | |
1480 | /* Special processing for PE format files. We | |
1481 | have no way to distinguish PE from COFF here. */ | |
1482 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour) | |
1483 | { | |
1484 | bfd_vma debuglink_vma; | |
1485 | asection * highest_section; | |
1486 | asection * sec; | |
1487 | ||
1488 | /* The PE spec requires that all sections be adjacent and sorted | |
1489 | in ascending order of VMA. It also specifies that debug | |
1490 | sections should be last. This is despite the fact that debug | |
1491 | sections are not loaded into memory and so in theory have no | |
1492 | use for a VMA. | |
1493 | ||
1494 | This means that the debuglink section must be given a non-zero | |
1495 | VMA which makes it contiguous with other debug sections. So | |
1496 | walk the current section list, find the section with the | |
1497 | highest VMA and start the debuglink section after that one. */ | |
1498 | for (sec = obfd->sections, highest_section = NULL; | |
1499 | sec != NULL; | |
1500 | sec = sec->next) | |
1501 | if (sec->vma > 0 | |
1502 | && (highest_section == NULL | |
1503 | || sec->vma > highest_section->vma)) | |
1504 | highest_section = sec; | |
1505 | ||
1506 | if (highest_section) | |
1507 | debuglink_vma = BFD_ALIGN (highest_section->vma | |
1508 | + highest_section->size, | |
1509 | /* FIXME: We ought to be using | |
1510 | COFF_PAGE_SIZE here or maybe | |
1511 | bfd_get_section_alignment() (if it | |
1512 | was set) but since this is for PE | |
1513 | and we know the required alignment | |
1514 | it is easier just to hard code it. */ | |
1515 | 0x1000); | |
1516 | else | |
1517 | /* Umm, not sure what to do in this case. */ | |
1518 | debuglink_vma = 0x1000; | |
1519 | ||
1520 | bfd_set_section_vma (obfd, gnu_debuglink_section, debuglink_vma); | |
1521 | } | |
950d48e7 NC |
1522 | } |
1523 | ||
1524 | if (bfd_count_sections (obfd) == 0) | |
1525 | { | |
1526 | non_fatal (_("there are no sections to be copied!")); | |
1527 | return FALSE; | |
2593f09a NC |
1528 | } |
1529 | ||
252b5132 RH |
1530 | if (gap_fill_set || pad_to_set) |
1531 | { | |
1532 | asection **set; | |
1533 | unsigned int c, i; | |
1534 | ||
1535 | /* We must fill in gaps between the sections and/or we must pad | |
1536 | the last section to a specified address. We do this by | |
1537 | grabbing a list of the sections, sorting them by VMA, and | |
1538 | increasing the section sizes as required to fill the gaps. | |
1539 | We write out the gap contents below. */ | |
1540 | ||
1541 | c = bfd_count_sections (obfd); | |
d3ba0551 | 1542 | osections = xmalloc (c * sizeof (asection *)); |
252b5132 | 1543 | set = osections; |
d3ba0551 | 1544 | bfd_map_over_sections (obfd, get_sections, &set); |
252b5132 RH |
1545 | |
1546 | qsort (osections, c, sizeof (asection *), compare_section_lma); | |
1547 | ||
d3ba0551 | 1548 | gaps = xmalloc (c * sizeof (bfd_size_type)); |
252b5132 RH |
1549 | memset (gaps, 0, c * sizeof (bfd_size_type)); |
1550 | ||
1551 | if (gap_fill_set) | |
1552 | { | |
1553 | for (i = 0; i < c - 1; i++) | |
1554 | { | |
1555 | flagword flags; | |
1556 | bfd_size_type size; | |
1557 | bfd_vma gap_start, gap_stop; | |
1558 | ||
1559 | flags = bfd_get_section_flags (obfd, osections[i]); | |
1560 | if ((flags & SEC_HAS_CONTENTS) == 0 | |
1561 | || (flags & SEC_LOAD) == 0) | |
1562 | continue; | |
1563 | ||
1564 | size = bfd_section_size (obfd, osections[i]); | |
1565 | gap_start = bfd_section_lma (obfd, osections[i]) + size; | |
1566 | gap_stop = bfd_section_lma (obfd, osections[i + 1]); | |
1567 | if (gap_start < gap_stop) | |
1568 | { | |
1569 | if (! bfd_set_section_size (obfd, osections[i], | |
1570 | size + (gap_stop - gap_start))) | |
1571 | { | |
1572 | non_fatal (_("Can't fill gap after %s: %s"), | |
0af11b59 KH |
1573 | bfd_get_section_name (obfd, osections[i]), |
1574 | bfd_errmsg (bfd_get_error ())); | |
252b5132 RH |
1575 | status = 1; |
1576 | break; | |
1577 | } | |
1578 | gaps[i] = gap_stop - gap_start; | |
1579 | if (max_gap < gap_stop - gap_start) | |
1580 | max_gap = gap_stop - gap_start; | |
1581 | } | |
1582 | } | |
1583 | } | |
1584 | ||
1585 | if (pad_to_set) | |
1586 | { | |
1587 | bfd_vma lma; | |
1588 | bfd_size_type size; | |
1589 | ||
1590 | lma = bfd_section_lma (obfd, osections[c - 1]); | |
1591 | size = bfd_section_size (obfd, osections[c - 1]); | |
1592 | if (lma + size < pad_to) | |
1593 | { | |
1594 | if (! bfd_set_section_size (obfd, osections[c - 1], | |
1595 | pad_to - lma)) | |
1596 | { | |
1597 | non_fatal (_("Can't add padding to %s: %s"), | |
0af11b59 KH |
1598 | bfd_get_section_name (obfd, osections[c - 1]), |
1599 | bfd_errmsg (bfd_get_error ())); | |
252b5132 RH |
1600 | status = 1; |
1601 | } | |
1602 | else | |
1603 | { | |
1604 | gaps[c - 1] = pad_to - (lma + size); | |
1605 | if (max_gap < pad_to - (lma + size)) | |
1606 | max_gap = pad_to - (lma + size); | |
1607 | } | |
1608 | } | |
1609 | } | |
1610 | } | |
1611 | ||
594ef5db NC |
1612 | /* Symbol filtering must happen after the output sections |
1613 | have been created, but before their contents are set. */ | |
252b5132 | 1614 | dhandle = NULL; |
252b5132 RH |
1615 | if (convert_debugging) |
1616 | dhandle = read_debugging_info (ibfd, isympp, symcount); | |
57938635 AM |
1617 | |
1618 | if (strip_symbols == STRIP_DEBUG | |
252b5132 RH |
1619 | || strip_symbols == STRIP_ALL |
1620 | || strip_symbols == STRIP_UNNEEDED | |
ed1653a7 | 1621 | || strip_symbols == STRIP_NONDEBUG |
252b5132 | 1622 | || discard_locals != LOCALS_UNDEF |
d58c2e3a | 1623 | || localize_hidden |
252b5132 RH |
1624 | || strip_specific_list != NULL |
1625 | || keep_specific_list != NULL | |
1626 | || localize_specific_list != NULL | |
7b4a0685 | 1627 | || globalize_specific_list != NULL |
16b2b71c | 1628 | || keepglobal_specific_list != NULL |
252b5132 | 1629 | || weaken_specific_list != NULL |
d7fb0dd2 | 1630 | || prefix_symbols_string |
252b5132 | 1631 | || sections_removed |
f91ea849 | 1632 | || sections_copied |
252b5132 RH |
1633 | || convert_debugging |
1634 | || change_leading_char | |
1635 | || remove_leading_char | |
57938635 | 1636 | || redefine_sym_list |
252b5132 RH |
1637 | || weaken) |
1638 | { | |
1639 | /* Mark symbols used in output relocations so that they | |
1640 | are kept, even if they are local labels or static symbols. | |
57938635 | 1641 | |
252b5132 RH |
1642 | Note we iterate over the input sections examining their |
1643 | relocations since the relocations for the output sections | |
1644 | haven't been set yet. mark_symbols_used_in_relocations will | |
1645 | ignore input sections which have no corresponding output | |
1646 | section. */ | |
1647 | if (strip_symbols != STRIP_ALL) | |
1648 | bfd_map_over_sections (ibfd, | |
1649 | mark_symbols_used_in_relocations, | |
d3ba0551 AM |
1650 | isympp); |
1651 | osympp = xmalloc ((symcount + 1) * sizeof (asymbol *)); | |
252b5132 RH |
1652 | symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount); |
1653 | } | |
1654 | ||
1655 | if (convert_debugging && dhandle != NULL) | |
1656 | { | |
1657 | if (! write_debugging_info (obfd, dhandle, &symcount, &osympp)) | |
1658 | { | |
1659 | status = 1; | |
950d48e7 | 1660 | return FALSE; |
252b5132 RH |
1661 | } |
1662 | } | |
1663 | ||
1664 | bfd_set_symtab (obfd, osympp, symcount); | |
1665 | ||
1666 | /* This has to happen after the symbol table has been set. */ | |
d3ba0551 | 1667 | bfd_map_over_sections (ibfd, copy_section, obfd); |
252b5132 RH |
1668 | |
1669 | if (add_sections != NULL) | |
1670 | { | |
1671 | struct section_add *padd; | |
1672 | ||
1673 | for (padd = add_sections; padd != NULL; padd = padd->next) | |
1674 | { | |
d3ba0551 AM |
1675 | if (! bfd_set_section_contents (obfd, padd->section, padd->contents, |
1676 | 0, padd->size)) | |
950d48e7 NC |
1677 | { |
1678 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1679 | return FALSE; | |
1680 | } | |
252b5132 RH |
1681 | } |
1682 | } | |
1683 | ||
e7c81c25 NC |
1684 | if (gnu_debuglink_filename != NULL) |
1685 | { | |
1686 | if (! bfd_fill_in_gnu_debuglink_section | |
1687 | (obfd, gnu_debuglink_section, gnu_debuglink_filename)) | |
950d48e7 NC |
1688 | { |
1689 | bfd_nonfatal (gnu_debuglink_filename); | |
1690 | return FALSE; | |
1691 | } | |
e7c81c25 NC |
1692 | } |
1693 | ||
252b5132 RH |
1694 | if (gap_fill_set || pad_to_set) |
1695 | { | |
1696 | bfd_byte *buf; | |
1697 | int c, i; | |
1698 | ||
1699 | /* Fill in the gaps. */ | |
252b5132 RH |
1700 | if (max_gap > 8192) |
1701 | max_gap = 8192; | |
d3ba0551 AM |
1702 | buf = xmalloc (max_gap); |
1703 | memset (buf, gap_fill, max_gap); | |
252b5132 RH |
1704 | |
1705 | c = bfd_count_sections (obfd); | |
1706 | for (i = 0; i < c; i++) | |
1707 | { | |
1708 | if (gaps[i] != 0) | |
1709 | { | |
1710 | bfd_size_type left; | |
1711 | file_ptr off; | |
1712 | ||
1713 | left = gaps[i]; | |
1714 | off = bfd_section_size (obfd, osections[i]) - left; | |
594ef5db | 1715 | |
252b5132 RH |
1716 | while (left > 0) |
1717 | { | |
1718 | bfd_size_type now; | |
1719 | ||
1720 | if (left > 8192) | |
1721 | now = 8192; | |
1722 | else | |
1723 | now = left; | |
1724 | ||
1725 | if (! bfd_set_section_contents (obfd, osections[i], buf, | |
1726 | off, now)) | |
950d48e7 NC |
1727 | { |
1728 | bfd_nonfatal (bfd_get_filename (obfd)); | |
1729 | return FALSE; | |
1730 | } | |
252b5132 RH |
1731 | |
1732 | left -= now; | |
1733 | off += now; | |
1734 | } | |
1735 | } | |
1736 | } | |
1737 | } | |
1738 | ||
d3e52d40 RS |
1739 | /* Do not copy backend data if --extract-symbol is passed; anything |
1740 | that needs to look at the section contents will fail. */ | |
1741 | if (extract_symbol) | |
1742 | return TRUE; | |
1743 | ||
252b5132 RH |
1744 | /* Allow the BFD backend to copy any private data it understands |
1745 | from the input BFD to the output BFD. This is done last to | |
1746 | permit the routine to look at the filtered symbol table, which is | |
1747 | important for the ECOFF code at least. */ | |
ed1653a7 NC |
1748 | if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour |
1749 | && strip_symbols == STRIP_NONDEBUG) | |
1750 | /* Do not copy the private data when creating an ELF format | |
1751 | debug info file. We do not want the program headers. */ | |
1752 | ; | |
1753 | else if (! bfd_copy_private_bfd_data (ibfd, obfd)) | |
252b5132 RH |
1754 | { |
1755 | non_fatal (_("%s: error copying private BFD data: %s"), | |
1756 | bfd_get_filename (obfd), | |
1757 | bfd_errmsg (bfd_get_error ())); | |
950d48e7 | 1758 | return FALSE; |
252b5132 | 1759 | } |
1ae8b3d2 AO |
1760 | |
1761 | /* Switch to the alternate machine code. We have to do this at the | |
1762 | very end, because we only initialize the header when we create | |
1763 | the first section. */ | |
f9d4ad2a NC |
1764 | if (use_alt_mach_code != 0) |
1765 | { | |
1766 | if (! bfd_alt_mach_code (obfd, use_alt_mach_code)) | |
1767 | { | |
1768 | non_fatal (_("this target does not support %lu alternative machine codes"), | |
1769 | use_alt_mach_code); | |
1770 | if (bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
1771 | { | |
1772 | non_fatal (_("treating that number as an absolute e_machine value instead")); | |
1773 | elf_elfheader (obfd)->e_machine = use_alt_mach_code; | |
1774 | } | |
1775 | else | |
1776 | non_fatal (_("ignoring the alternative value")); | |
1777 | } | |
1778 | } | |
950d48e7 NC |
1779 | |
1780 | return TRUE; | |
252b5132 RH |
1781 | } |
1782 | ||
1783 | /* Read each archive element in turn from IBFD, copy the | |
ee873e00 NC |
1784 | contents to temp file, and keep the temp file handle. |
1785 | If 'force_output_target' is TRUE then make sure that | |
1786 | all elements in the new archive are of the type | |
1787 | 'output_target'. */ | |
252b5132 RH |
1788 | |
1789 | static void | |
ee873e00 NC |
1790 | copy_archive (bfd *ibfd, bfd *obfd, const char *output_target, |
1791 | bfd_boolean force_output_target) | |
252b5132 RH |
1792 | { |
1793 | struct name_list | |
1794 | { | |
1795 | struct name_list *next; | |
4c168fa3 | 1796 | const char *name; |
252b5132 RH |
1797 | bfd *obfd; |
1798 | } *list, *l; | |
1799 | bfd **ptr = &obfd->archive_head; | |
1800 | bfd *this_element; | |
f9c026a8 | 1801 | char * dir; |
252b5132 RH |
1802 | |
1803 | /* Make a temp directory to hold the contents. */ | |
f9c026a8 | 1804 | dir = make_tempdir (bfd_get_filename (obfd)); |
f9c026a8 NC |
1805 | if (dir == NULL) |
1806 | fatal (_("cannot create tempdir for archive copying (error: %s)"), | |
1807 | strerror (errno)); | |
84e2f313 | 1808 | |
252b5132 RH |
1809 | obfd->has_armap = ibfd->has_armap; |
1810 | ||
1811 | list = NULL; | |
1812 | ||
1813 | this_element = bfd_openr_next_archived_file (ibfd, NULL); | |
594ef5db | 1814 | |
b667df2e AM |
1815 | if (!bfd_set_format (obfd, bfd_get_format (ibfd))) |
1816 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1817 | ||
d3ba0551 | 1818 | while (!status && this_element != NULL) |
252b5132 | 1819 | { |
4c168fa3 AM |
1820 | char *output_name; |
1821 | bfd *output_bfd; | |
252b5132 | 1822 | bfd *last_element; |
8066d1a2 AS |
1823 | struct stat buf; |
1824 | int stat_status = 0; | |
950d48e7 | 1825 | bfd_boolean delete = TRUE; |
8066d1a2 | 1826 | |
4c168fa3 AM |
1827 | /* Create an output file for this member. */ |
1828 | output_name = concat (dir, "/", | |
1829 | bfd_get_filename (this_element), (char *) 0); | |
1830 | ||
1831 | /* If the file already exists, make another temp dir. */ | |
1832 | if (stat (output_name, &buf) >= 0) | |
1833 | { | |
f9c026a8 NC |
1834 | output_name = make_tempdir (output_name); |
1835 | if (output_name == NULL) | |
485be063 AM |
1836 | fatal (_("cannot create tempdir for archive copying (error: %s)"), |
1837 | strerror (errno)); | |
84e2f313 | 1838 | |
d3ba0551 | 1839 | l = xmalloc (sizeof (struct name_list)); |
4c168fa3 AM |
1840 | l->name = output_name; |
1841 | l->next = list; | |
1842 | l->obfd = NULL; | |
1843 | list = l; | |
1844 | output_name = concat (output_name, "/", | |
1845 | bfd_get_filename (this_element), (char *) 0); | |
1846 | } | |
1847 | ||
8066d1a2 AS |
1848 | if (preserve_dates) |
1849 | { | |
1850 | stat_status = bfd_stat_arch_elt (this_element, &buf); | |
594ef5db | 1851 | |
8066d1a2 AS |
1852 | if (stat_status != 0) |
1853 | non_fatal (_("internal stat error on %s"), | |
1854 | bfd_get_filename (this_element)); | |
1855 | } | |
252b5132 | 1856 | |
d3ba0551 | 1857 | l = xmalloc (sizeof (struct name_list)); |
252b5132 RH |
1858 | l->name = output_name; |
1859 | l->next = list; | |
bee59fd2 | 1860 | l->obfd = NULL; |
252b5132 RH |
1861 | list = l; |
1862 | ||
b34976b6 | 1863 | if (bfd_check_format (this_element, bfd_object)) |
77f762d6 | 1864 | { |
ee873e00 NC |
1865 | /* PR binutils/3110: Cope with archives |
1866 | containing multiple target types. */ | |
1867 | if (force_output_target) | |
1868 | output_bfd = bfd_openw (output_name, output_target); | |
1869 | else | |
1870 | output_bfd = bfd_openw (output_name, bfd_get_target (this_element)); | |
1871 | ||
1872 | if (output_bfd == NULL) | |
1873 | RETURN_NONFATAL (output_name); | |
1874 | ||
77f762d6 | 1875 | delete = ! copy_object (this_element, output_bfd); |
252b5132 | 1876 | |
77f762d6 L |
1877 | if (! delete |
1878 | || bfd_get_arch (this_element) != bfd_arch_unknown) | |
1879 | { | |
1880 | if (!bfd_close (output_bfd)) | |
1881 | { | |
1882 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
1883 | /* Error in new object file. Don't change archive. */ | |
1884 | status = 1; | |
1885 | } | |
1886 | } | |
1887 | else | |
1888 | goto copy_unknown_element; | |
1889 | } | |
1890 | else | |
252b5132 | 1891 | { |
77f762d6 L |
1892 | non_fatal (_("Unable to recognise the format of the input file `%s'"), |
1893 | bfd_get_archive_filename (this_element)); | |
1894 | ||
ee873e00 | 1895 | output_bfd = bfd_openw (output_name, output_target); |
77f762d6 L |
1896 | copy_unknown_element: |
1897 | delete = !copy_unknown_object (this_element, output_bfd); | |
1898 | if (!bfd_close_all_done (output_bfd)) | |
1899 | { | |
1900 | bfd_nonfatal (bfd_get_filename (output_bfd)); | |
1901 | /* Error in new object file. Don't change archive. */ | |
1902 | status = 1; | |
1903 | } | |
252b5132 RH |
1904 | } |
1905 | ||
950d48e7 NC |
1906 | if (delete) |
1907 | { | |
1908 | unlink (output_name); | |
1909 | status = 1; | |
1910 | } | |
1911 | else | |
1912 | { | |
1913 | if (preserve_dates && stat_status == 0) | |
1914 | set_times (output_name, &buf); | |
8066d1a2 | 1915 | |
950d48e7 NC |
1916 | /* Open the newly output file and attach to our list. */ |
1917 | output_bfd = bfd_openr (output_name, output_target); | |
252b5132 | 1918 | |
950d48e7 | 1919 | l->obfd = output_bfd; |
252b5132 | 1920 | |
950d48e7 NC |
1921 | *ptr = output_bfd; |
1922 | ptr = &output_bfd->next; | |
252b5132 | 1923 | |
950d48e7 | 1924 | last_element = this_element; |
252b5132 | 1925 | |
950d48e7 | 1926 | this_element = bfd_openr_next_archived_file (ibfd, last_element); |
252b5132 | 1927 | |
950d48e7 NC |
1928 | bfd_close (last_element); |
1929 | } | |
252b5132 | 1930 | } |
d3ba0551 | 1931 | *ptr = NULL; |
252b5132 RH |
1932 | |
1933 | if (!bfd_close (obfd)) | |
1934 | RETURN_NONFATAL (bfd_get_filename (obfd)); | |
1935 | ||
1936 | if (!bfd_close (ibfd)) | |
1937 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
1938 | ||
1939 | /* Delete all the files that we opened. */ | |
1940 | for (l = list; l != NULL; l = l->next) | |
1941 | { | |
4c168fa3 AM |
1942 | if (l->obfd == NULL) |
1943 | rmdir (l->name); | |
1944 | else | |
1945 | { | |
1946 | bfd_close (l->obfd); | |
1947 | unlink (l->name); | |
1948 | } | |
252b5132 RH |
1949 | } |
1950 | rmdir (dir); | |
1951 | } | |
1952 | ||
1953 | /* The top-level control. */ | |
1954 | ||
1955 | static void | |
84e2f313 NC |
1956 | copy_file (const char *input_filename, const char *output_filename, |
1957 | const char *input_target, const char *output_target) | |
252b5132 RH |
1958 | { |
1959 | bfd *ibfd; | |
49c12576 AM |
1960 | char **obj_matching; |
1961 | char **core_matching; | |
252b5132 | 1962 | |
f24ddbdd NC |
1963 | if (get_file_size (input_filename) < 1) |
1964 | { | |
1965 | status = 1; | |
1966 | return; | |
1967 | } | |
1968 | ||
252b5132 RH |
1969 | /* To allow us to do "strip *" without dying on the first |
1970 | non-object file, failures are nonfatal. */ | |
252b5132 RH |
1971 | ibfd = bfd_openr (input_filename, input_target); |
1972 | if (ibfd == NULL) | |
1973 | RETURN_NONFATAL (input_filename); | |
1974 | ||
1975 | if (bfd_check_format (ibfd, bfd_archive)) | |
1976 | { | |
ee873e00 | 1977 | bfd_boolean force_output_target; |
252b5132 RH |
1978 | bfd *obfd; |
1979 | ||
1980 | /* bfd_get_target does not return the correct value until | |
1981 | bfd_check_format succeeds. */ | |
1982 | if (output_target == NULL) | |
ee873e00 NC |
1983 | { |
1984 | output_target = bfd_get_target (ibfd); | |
1985 | force_output_target = FALSE; | |
1986 | } | |
1987 | else | |
1988 | force_output_target = TRUE; | |
252b5132 RH |
1989 | |
1990 | obfd = bfd_openw (output_filename, output_target); | |
1991 | if (obfd == NULL) | |
1992 | RETURN_NONFATAL (output_filename); | |
1993 | ||
ee873e00 | 1994 | copy_archive (ibfd, obfd, output_target, force_output_target); |
252b5132 | 1995 | } |
49c12576 | 1996 | else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching)) |
252b5132 RH |
1997 | { |
1998 | bfd *obfd; | |
49c12576 | 1999 | do_copy: |
950d48e7 | 2000 | |
252b5132 RH |
2001 | /* bfd_get_target does not return the correct value until |
2002 | bfd_check_format succeeds. */ | |
2003 | if (output_target == NULL) | |
2004 | output_target = bfd_get_target (ibfd); | |
2005 | ||
2006 | obfd = bfd_openw (output_filename, output_target); | |
2007 | if (obfd == NULL) | |
2008 | RETURN_NONFATAL (output_filename); | |
2009 | ||
a580b8e0 JB |
2010 | if (! copy_object (ibfd, obfd)) |
2011 | status = 1; | |
252b5132 RH |
2012 | |
2013 | if (!bfd_close (obfd)) | |
2014 | RETURN_NONFATAL (output_filename); | |
2015 | ||
2016 | if (!bfd_close (ibfd)) | |
2017 | RETURN_NONFATAL (input_filename); | |
950d48e7 | 2018 | |
252b5132 RH |
2019 | } |
2020 | else | |
2021 | { | |
49c12576 AM |
2022 | bfd_error_type obj_error = bfd_get_error (); |
2023 | bfd_error_type core_error; | |
b34976b6 | 2024 | |
49c12576 AM |
2025 | if (bfd_check_format_matches (ibfd, bfd_core, &core_matching)) |
2026 | { | |
2027 | /* This probably can't happen.. */ | |
2028 | if (obj_error == bfd_error_file_ambiguously_recognized) | |
2029 | free (obj_matching); | |
2030 | goto do_copy; | |
2031 | } | |
2032 | ||
2033 | core_error = bfd_get_error (); | |
2034 | /* Report the object error in preference to the core error. */ | |
2035 | if (obj_error != core_error) | |
2036 | bfd_set_error (obj_error); | |
2037 | ||
252b5132 | 2038 | bfd_nonfatal (input_filename); |
57938635 | 2039 | |
49c12576 AM |
2040 | if (obj_error == bfd_error_file_ambiguously_recognized) |
2041 | { | |
2042 | list_matching_formats (obj_matching); | |
2043 | free (obj_matching); | |
2044 | } | |
2045 | if (core_error == bfd_error_file_ambiguously_recognized) | |
252b5132 | 2046 | { |
49c12576 AM |
2047 | list_matching_formats (core_matching); |
2048 | free (core_matching); | |
252b5132 | 2049 | } |
57938635 | 2050 | |
252b5132 RH |
2051 | status = 1; |
2052 | } | |
2053 | } | |
2054 | ||
594ef5db NC |
2055 | /* Add a name to the section renaming list. */ |
2056 | ||
2057 | static void | |
84e2f313 NC |
2058 | add_section_rename (const char * old_name, const char * new_name, |
2059 | flagword flags) | |
594ef5db NC |
2060 | { |
2061 | section_rename * rename; | |
2062 | ||
2063 | /* Check for conflicts first. */ | |
2064 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
2065 | if (strcmp (rename->old_name, old_name) == 0) | |
2066 | { | |
2067 | /* Silently ignore duplicate definitions. */ | |
2068 | if (strcmp (rename->new_name, new_name) == 0 | |
2069 | && rename->flags == flags) | |
2070 | return; | |
0af11b59 | 2071 | |
594ef5db NC |
2072 | fatal (_("Multiple renames of section %s"), old_name); |
2073 | } | |
2074 | ||
d3ba0551 | 2075 | rename = xmalloc (sizeof (* rename)); |
594ef5db NC |
2076 | |
2077 | rename->old_name = old_name; | |
2078 | rename->new_name = new_name; | |
2079 | rename->flags = flags; | |
2080 | rename->next = section_rename_list; | |
0af11b59 | 2081 | |
594ef5db NC |
2082 | section_rename_list = rename; |
2083 | } | |
2084 | ||
2085 | /* Check the section rename list for a new name of the input section | |
2086 | ISECTION. Return the new name if one is found. | |
2087 | Also set RETURNED_FLAGS to the flags to be used for this section. */ | |
2088 | ||
2089 | static const char * | |
84e2f313 NC |
2090 | find_section_rename (bfd * ibfd ATTRIBUTE_UNUSED, sec_ptr isection, |
2091 | flagword * returned_flags) | |
594ef5db NC |
2092 | { |
2093 | const char * old_name = bfd_section_name (ibfd, isection); | |
2094 | section_rename * rename; | |
2095 | ||
2096 | /* Default to using the flags of the input section. */ | |
2097 | * returned_flags = bfd_get_section_flags (ibfd, isection); | |
2098 | ||
2099 | for (rename = section_rename_list; rename != NULL; rename = rename->next) | |
2100 | if (strcmp (rename->old_name, old_name) == 0) | |
2101 | { | |
2102 | if (rename->flags != (flagword) -1) | |
2103 | * returned_flags = rename->flags; | |
2104 | ||
2105 | return rename->new_name; | |
2106 | } | |
2107 | ||
2108 | return old_name; | |
2109 | } | |
2110 | ||
80fccad2 BW |
2111 | /* Once each of the sections is copied, we may still need to do some |
2112 | finalization work for private section headers. Do that here. */ | |
2113 | ||
2114 | static void | |
2115 | setup_bfd_headers (bfd *ibfd, bfd *obfd) | |
2116 | { | |
2117 | const char *err; | |
2118 | ||
2119 | /* Allow the BFD backend to copy any private data it understands | |
2120 | from the input section to the output section. */ | |
2121 | if (! bfd_copy_private_header_data (ibfd, obfd)) | |
2122 | { | |
2123 | err = _("private header data"); | |
2124 | goto loser; | |
2125 | } | |
2126 | ||
2127 | /* All went well. */ | |
2128 | return; | |
2129 | ||
2130 | loser: | |
2131 | non_fatal (_("%s: error in %s: %s"), | |
2132 | bfd_get_filename (ibfd), | |
2133 | err, bfd_errmsg (bfd_get_error ())); | |
2134 | status = 1; | |
2135 | } | |
2136 | ||
594ef5db NC |
2137 | /* Create a section in OBFD with the same |
2138 | name and attributes as ISECTION in IBFD. */ | |
252b5132 RH |
2139 | |
2140 | static void | |
84e2f313 | 2141 | setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg) |
252b5132 | 2142 | { |
d3ba0551 | 2143 | bfd *obfd = obfdarg; |
252b5132 RH |
2144 | struct section_list *p; |
2145 | sec_ptr osection; | |
2146 | bfd_size_type size; | |
2147 | bfd_vma vma; | |
2148 | bfd_vma lma; | |
2149 | flagword flags; | |
1a89cc7d | 2150 | const char *err; |
594ef5db | 2151 | const char * name; |
d7fb0dd2 | 2152 | char *prefix = NULL; |
0af11b59 | 2153 | |
2593f09a | 2154 | if (is_strip_section (ibfd, isection)) |
252b5132 RH |
2155 | return; |
2156 | ||
b34976b6 | 2157 | p = find_section_list (bfd_section_name (ibfd, isection), FALSE); |
252b5132 | 2158 | if (p != NULL) |
b34976b6 | 2159 | p->used = TRUE; |
252b5132 | 2160 | |
594ef5db NC |
2161 | /* Get the, possibly new, name of the output section. */ |
2162 | name = find_section_rename (ibfd, isection, & flags); | |
0af11b59 | 2163 | |
d7fb0dd2 | 2164 | /* Prefix sections. */ |
84e2f313 NC |
2165 | if ((prefix_alloc_sections_string) |
2166 | && (bfd_get_section_flags (ibfd, isection) & SEC_ALLOC)) | |
d7fb0dd2 NC |
2167 | prefix = prefix_alloc_sections_string; |
2168 | else if (prefix_sections_string) | |
2169 | prefix = prefix_sections_string; | |
2170 | ||
2171 | if (prefix) | |
2172 | { | |
2173 | char *n; | |
2174 | ||
2175 | n = xmalloc (strlen (prefix) + strlen (name) + 1); | |
2176 | strcpy (n, prefix); | |
2177 | strcat (n, name); | |
2178 | name = n; | |
2179 | } | |
66491ebc | 2180 | |
551b43fd AM |
2181 | if (p != NULL && p->set_flags) |
2182 | flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC)); | |
2183 | else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0) | |
2184 | flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD); | |
2185 | ||
2186 | osection = bfd_make_section_anyway_with_flags (obfd, name, flags); | |
57938635 | 2187 | |
252b5132 RH |
2188 | if (osection == NULL) |
2189 | { | |
1a89cc7d | 2190 | err = _("making"); |
252b5132 RH |
2191 | goto loser; |
2192 | } | |
2193 | ||
551b43fd AM |
2194 | if (strip_symbols == STRIP_NONDEBUG |
2195 | && obfd->xvec->flavour == bfd_target_elf_flavour | |
2196 | && (flags & SEC_ALLOC) != 0 | |
2197 | && (p == NULL || !p->set_flags)) | |
2198 | elf_section_type (osection) = SHT_NOBITS; | |
2199 | ||
252b5132 RH |
2200 | size = bfd_section_size (ibfd, isection); |
2201 | if (copy_byte >= 0) | |
2202 | size = (size + interleave - 1) / interleave; | |
d3e52d40 RS |
2203 | else if (extract_symbol) |
2204 | size = 0; | |
252b5132 RH |
2205 | if (! bfd_set_section_size (obfd, osection, size)) |
2206 | { | |
1a89cc7d | 2207 | err = _("size"); |
252b5132 RH |
2208 | goto loser; |
2209 | } | |
57938635 | 2210 | |
252b5132 RH |
2211 | vma = bfd_section_vma (ibfd, isection); |
2212 | if (p != NULL && p->change_vma == CHANGE_MODIFY) | |
2213 | vma += p->vma_val; | |
2214 | else if (p != NULL && p->change_vma == CHANGE_SET) | |
2215 | vma = p->vma_val; | |
2216 | else | |
2217 | vma += change_section_address; | |
57938635 | 2218 | |
d3e52d40 | 2219 | if (! bfd_set_section_vma (obfd, osection, extract_symbol ? 0 : vma)) |
252b5132 | 2220 | { |
1a89cc7d | 2221 | err = _("vma"); |
252b5132 RH |
2222 | goto loser; |
2223 | } | |
2224 | ||
2225 | lma = isection->lma; | |
2226 | if ((p != NULL) && p->change_lma != CHANGE_IGNORE) | |
2227 | { | |
2228 | if (p->change_lma == CHANGE_MODIFY) | |
2229 | lma += p->lma_val; | |
2230 | else if (p->change_lma == CHANGE_SET) | |
2231 | lma = p->lma_val; | |
2232 | else | |
2233 | abort (); | |
2234 | } | |
2235 | else | |
2236 | lma += change_section_address; | |
57938635 | 2237 | |
d3e52d40 | 2238 | osection->lma = extract_symbol ? 0 : lma; |
252b5132 RH |
2239 | |
2240 | /* FIXME: This is probably not enough. If we change the LMA we | |
2241 | may have to recompute the header for the file as well. */ | |
b34976b6 AM |
2242 | if (!bfd_set_section_alignment (obfd, |
2243 | osection, | |
2244 | bfd_section_alignment (ibfd, isection))) | |
252b5132 | 2245 | { |
1a89cc7d | 2246 | err = _("alignment"); |
252b5132 RH |
2247 | goto loser; |
2248 | } | |
2249 | ||
bc408b8a JJ |
2250 | /* Copy merge entity size. */ |
2251 | osection->entsize = isection->entsize; | |
2252 | ||
252b5132 RH |
2253 | /* This used to be mangle_section; we do here to avoid using |
2254 | bfd_get_section_by_name since some formats allow multiple | |
2255 | sections with the same name. */ | |
2256 | isection->output_section = osection; | |
d3e52d40 RS |
2257 | isection->output_offset = extract_symbol ? vma : 0; |
2258 | ||
2259 | /* Do not copy backend data if --extract-symbol is passed; anything | |
2260 | that needs to look at the section contents will fail. */ | |
2261 | if (extract_symbol) | |
2262 | return; | |
252b5132 RH |
2263 | |
2264 | /* Allow the BFD backend to copy any private data it understands | |
2265 | from the input section to the output section. */ | |
ed1653a7 NC |
2266 | if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour |
2267 | && strip_symbols == STRIP_NONDEBUG) | |
2268 | /* Do not copy the private data when creating an ELF format | |
2269 | debug info file. We do not want the program headers. */ | |
2270 | ; | |
2271 | else if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) | |
252b5132 | 2272 | { |
1a89cc7d | 2273 | err = _("private data"); |
252b5132 RH |
2274 | goto loser; |
2275 | } | |
30288845 | 2276 | else if ((isection->flags & SEC_GROUP) != 0) |
c39ada54 | 2277 | { |
30288845 | 2278 | asymbol *gsym = group_signature (isection); |
c39ada54 | 2279 | |
30288845 AM |
2280 | if (gsym != NULL) |
2281 | gsym->flags |= BSF_KEEP; | |
c39ada54 | 2282 | } |
252b5132 | 2283 | |
594ef5db | 2284 | /* All went well. */ |
252b5132 RH |
2285 | return; |
2286 | ||
2287 | loser: | |
2288 | non_fatal (_("%s: section `%s': error in %s: %s"), | |
2289 | bfd_get_filename (ibfd), | |
2290 | bfd_section_name (ibfd, isection), | |
2291 | err, bfd_errmsg (bfd_get_error ())); | |
2292 | status = 1; | |
2293 | } | |
2294 | ||
2295 | /* Copy the data of input section ISECTION of IBFD | |
2296 | to an output section with the same name in OBFD. | |
2297 | If stripping then don't copy any relocation info. */ | |
2298 | ||
2299 | static void | |
84e2f313 | 2300 | copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg) |
252b5132 | 2301 | { |
d3ba0551 | 2302 | bfd *obfd = obfdarg; |
252b5132 RH |
2303 | struct section_list *p; |
2304 | arelent **relpp; | |
2305 | long relcount; | |
2306 | sec_ptr osection; | |
2307 | bfd_size_type size; | |
2308 | long relsize; | |
dc156bc0 | 2309 | flagword flags; |
252b5132 | 2310 | |
594ef5db NC |
2311 | /* If we have already failed earlier on, |
2312 | do not keep on generating complaints now. */ | |
252b5132 RH |
2313 | if (status != 0) |
2314 | return; | |
57938635 | 2315 | |
2593f09a | 2316 | if (is_strip_section (ibfd, isection)) |
e0c60db2 | 2317 | return; |
252b5132 | 2318 | |
2593f09a | 2319 | flags = bfd_get_section_flags (ibfd, isection); |
dc156bc0 AM |
2320 | if ((flags & SEC_GROUP) != 0) |
2321 | return; | |
2322 | ||
252b5132 | 2323 | osection = isection->output_section; |
135dfb4a | 2324 | size = bfd_get_section_size (isection); |
252b5132 RH |
2325 | |
2326 | if (size == 0 || osection == 0) | |
2327 | return; | |
2328 | ||
2593f09a NC |
2329 | p = find_section_list (bfd_get_section_name (ibfd, isection), FALSE); |
2330 | ||
0af11b59 | 2331 | /* Core files do not need to be relocated. */ |
4dd67f29 MS |
2332 | if (bfd_get_format (obfd) == bfd_core) |
2333 | relsize = 0; | |
2334 | else | |
ed570f48 NC |
2335 | { |
2336 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
4dd67f29 | 2337 | |
ed570f48 NC |
2338 | if (relsize < 0) |
2339 | { | |
2340 | /* Do not complain if the target does not support relocations. */ | |
2341 | if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation) | |
2342 | relsize = 0; | |
2343 | else | |
2344 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
2345 | } | |
2346 | } | |
57938635 | 2347 | |
252b5132 | 2348 | if (relsize == 0) |
d3ba0551 | 2349 | bfd_set_reloc (obfd, osection, NULL, 0); |
252b5132 RH |
2350 | else |
2351 | { | |
d3ba0551 | 2352 | relpp = xmalloc (relsize); |
252b5132 RH |
2353 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); |
2354 | if (relcount < 0) | |
2355 | RETURN_NONFATAL (bfd_get_filename (ibfd)); | |
57938635 | 2356 | |
252b5132 RH |
2357 | if (strip_symbols == STRIP_ALL) |
2358 | { | |
2359 | /* Remove relocations which are not in | |
0af11b59 | 2360 | keep_strip_specific_list. */ |
252b5132 RH |
2361 | arelent **temp_relpp; |
2362 | long temp_relcount = 0; | |
2363 | long i; | |
57938635 | 2364 | |
d3ba0551 | 2365 | temp_relpp = xmalloc (relsize); |
252b5132 | 2366 | for (i = 0; i < relcount; i++) |
d3ba0551 AM |
2367 | if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr), |
2368 | keep_specific_list)) | |
252b5132 RH |
2369 | temp_relpp [temp_relcount++] = relpp [i]; |
2370 | relcount = temp_relcount; | |
2371 | free (relpp); | |
2372 | relpp = temp_relpp; | |
2373 | } | |
e0c60db2 | 2374 | |
d3ba0551 | 2375 | bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount); |
f0312d39 JJ |
2376 | if (relcount == 0) |
2377 | free (relpp); | |
252b5132 | 2378 | } |
57938635 | 2379 | |
d3e52d40 RS |
2380 | if (extract_symbol) |
2381 | return; | |
2382 | ||
0af11b59 | 2383 | if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS |
4dd67f29 | 2384 | && bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS) |
252b5132 | 2385 | { |
d3ba0551 | 2386 | void *memhunk = xmalloc (size); |
252b5132 | 2387 | |
d3ba0551 | 2388 | if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size)) |
252b5132 RH |
2389 | RETURN_NONFATAL (bfd_get_filename (ibfd)); |
2390 | ||
57938635 | 2391 | if (copy_byte >= 0) |
5e675b72 AM |
2392 | { |
2393 | /* Keep only every `copy_byte'th byte in MEMHUNK. */ | |
2f01ffbf | 2394 | char *from = (char *) memhunk + copy_byte; |
5e675b72 | 2395 | char *to = memhunk; |
2f01ffbf | 2396 | char *end = (char *) memhunk + size; |
5e675b72 AM |
2397 | |
2398 | for (; from < end; from += interleave) | |
2399 | *to++ = *from; | |
2400 | ||
2401 | size = (size + interleave - 1 - copy_byte) / interleave; | |
2402 | osection->lma /= interleave; | |
2403 | } | |
252b5132 | 2404 | |
d3ba0551 | 2405 | if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size)) |
252b5132 RH |
2406 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
2407 | ||
2408 | free (memhunk); | |
2409 | } | |
2410 | else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0) | |
2411 | { | |
d3ba0551 | 2412 | void *memhunk = xmalloc (size); |
252b5132 RH |
2413 | |
2414 | /* We don't permit the user to turn off the SEC_HAS_CONTENTS | |
2415 | flag--they can just remove the section entirely and add it | |
2416 | back again. However, we do permit them to turn on the | |
2417 | SEC_HAS_CONTENTS flag, and take it to mean that the section | |
2418 | contents should be zeroed out. */ | |
2419 | ||
2420 | memset (memhunk, 0, size); | |
d3ba0551 | 2421 | if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size)) |
252b5132 RH |
2422 | RETURN_NONFATAL (bfd_get_filename (obfd)); |
2423 | free (memhunk); | |
2424 | } | |
2425 | } | |
2426 | ||
2427 | /* Get all the sections. This is used when --gap-fill or --pad-to is | |
2428 | used. */ | |
2429 | ||
2430 | static void | |
84e2f313 | 2431 | get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg) |
252b5132 | 2432 | { |
d3ba0551 | 2433 | asection ***secppp = secppparg; |
252b5132 RH |
2434 | |
2435 | **secppp = osection; | |
2436 | ++(*secppp); | |
2437 | } | |
2438 | ||
2439 | /* Sort sections by VMA. This is called via qsort, and is used when | |
2440 | --gap-fill or --pad-to is used. We force non loadable or empty | |
2441 | sections to the front, where they are easier to ignore. */ | |
2442 | ||
2443 | static int | |
84e2f313 | 2444 | compare_section_lma (const void *arg1, const void *arg2) |
252b5132 | 2445 | { |
d3ba0551 AM |
2446 | const asection *const *sec1 = arg1; |
2447 | const asection *const *sec2 = arg2; | |
252b5132 RH |
2448 | flagword flags1, flags2; |
2449 | ||
2450 | /* Sort non loadable sections to the front. */ | |
2451 | flags1 = (*sec1)->flags; | |
2452 | flags2 = (*sec2)->flags; | |
2453 | if ((flags1 & SEC_HAS_CONTENTS) == 0 | |
2454 | || (flags1 & SEC_LOAD) == 0) | |
2455 | { | |
2456 | if ((flags2 & SEC_HAS_CONTENTS) != 0 | |
2457 | && (flags2 & SEC_LOAD) != 0) | |
2458 | return -1; | |
2459 | } | |
2460 | else | |
2461 | { | |
2462 | if ((flags2 & SEC_HAS_CONTENTS) == 0 | |
2463 | || (flags2 & SEC_LOAD) == 0) | |
2464 | return 1; | |
2465 | } | |
2466 | ||
2467 | /* Sort sections by LMA. */ | |
2468 | if ((*sec1)->lma > (*sec2)->lma) | |
2469 | return 1; | |
2470 | else if ((*sec1)->lma < (*sec2)->lma) | |
2471 | return -1; | |
2472 | ||
2473 | /* Sort sections with the same LMA by size. */ | |
135dfb4a | 2474 | if (bfd_get_section_size (*sec1) > bfd_get_section_size (*sec2)) |
252b5132 | 2475 | return 1; |
135dfb4a | 2476 | else if (bfd_get_section_size (*sec1) < bfd_get_section_size (*sec2)) |
252b5132 RH |
2477 | return -1; |
2478 | ||
2479 | return 0; | |
2480 | } | |
2481 | ||
2482 | /* Mark all the symbols which will be used in output relocations with | |
2483 | the BSF_KEEP flag so that those symbols will not be stripped. | |
2484 | ||
2485 | Ignore relocations which will not appear in the output file. */ | |
2486 | ||
2487 | static void | |
84e2f313 | 2488 | mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg) |
252b5132 | 2489 | { |
d3ba0551 | 2490 | asymbol **symbols = symbolsarg; |
252b5132 RH |
2491 | long relsize; |
2492 | arelent **relpp; | |
2493 | long relcount, i; | |
2494 | ||
2495 | /* Ignore an input section with no corresponding output section. */ | |
2496 | if (isection->output_section == NULL) | |
2497 | return; | |
2498 | ||
2499 | relsize = bfd_get_reloc_upper_bound (ibfd, isection); | |
2500 | if (relsize < 0) | |
ed570f48 NC |
2501 | { |
2502 | /* Do not complain if the target does not support relocations. */ | |
2503 | if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation) | |
2504 | return; | |
2505 | bfd_fatal (bfd_get_filename (ibfd)); | |
2506 | } | |
252b5132 RH |
2507 | |
2508 | if (relsize == 0) | |
2509 | return; | |
2510 | ||
d3ba0551 | 2511 | relpp = xmalloc (relsize); |
252b5132 RH |
2512 | relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols); |
2513 | if (relcount < 0) | |
2514 | bfd_fatal (bfd_get_filename (ibfd)); | |
2515 | ||
ec5d57d5 NC |
2516 | /* Examine each symbol used in a relocation. If it's not one of the |
2517 | special bfd section symbols, then mark it with BSF_KEEP. */ | |
252b5132 RH |
2518 | for (i = 0; i < relcount; i++) |
2519 | { | |
ec5d57d5 NC |
2520 | if (*relpp[i]->sym_ptr_ptr != bfd_com_section_ptr->symbol |
2521 | && *relpp[i]->sym_ptr_ptr != bfd_abs_section_ptr->symbol | |
2522 | && *relpp[i]->sym_ptr_ptr != bfd_und_section_ptr->symbol) | |
2523 | (*relpp[i]->sym_ptr_ptr)->flags |= BSF_KEEP; | |
252b5132 RH |
2524 | } |
2525 | ||
2526 | if (relpp != NULL) | |
2527 | free (relpp); | |
2528 | } | |
2529 | ||
2530 | /* Write out debugging information. */ | |
2531 | ||
b34976b6 | 2532 | static bfd_boolean |
84e2f313 NC |
2533 | write_debugging_info (bfd *obfd, void *dhandle, |
2534 | long *symcountp ATTRIBUTE_UNUSED, | |
2535 | asymbol ***symppp ATTRIBUTE_UNUSED) | |
252b5132 RH |
2536 | { |
2537 | if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour) | |
2538 | return write_ieee_debugging_info (obfd, dhandle); | |
2539 | ||
2540 | if (bfd_get_flavour (obfd) == bfd_target_coff_flavour | |
2541 | || bfd_get_flavour (obfd) == bfd_target_elf_flavour) | |
2542 | { | |
2543 | bfd_byte *syms, *strings; | |
2544 | bfd_size_type symsize, stringsize; | |
2545 | asection *stabsec, *stabstrsec; | |
551b43fd | 2546 | flagword flags; |
252b5132 RH |
2547 | |
2548 | if (! write_stabs_in_sections_debugging_info (obfd, dhandle, &syms, | |
2549 | &symsize, &strings, | |
2550 | &stringsize)) | |
b34976b6 | 2551 | return FALSE; |
252b5132 | 2552 | |
551b43fd AM |
2553 | flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DEBUGGING; |
2554 | stabsec = bfd_make_section_with_flags (obfd, ".stab", flags); | |
2555 | stabstrsec = bfd_make_section_with_flags (obfd, ".stabstr", flags); | |
252b5132 RH |
2556 | if (stabsec == NULL |
2557 | || stabstrsec == NULL | |
2558 | || ! bfd_set_section_size (obfd, stabsec, symsize) | |
2559 | || ! bfd_set_section_size (obfd, stabstrsec, stringsize) | |
2560 | || ! bfd_set_section_alignment (obfd, stabsec, 2) | |
551b43fd | 2561 | || ! bfd_set_section_alignment (obfd, stabstrsec, 0)) |
252b5132 RH |
2562 | { |
2563 | non_fatal (_("%s: can't create debugging section: %s"), | |
2564 | bfd_get_filename (obfd), | |
2565 | bfd_errmsg (bfd_get_error ())); | |
b34976b6 | 2566 | return FALSE; |
252b5132 RH |
2567 | } |
2568 | ||
2569 | /* We can get away with setting the section contents now because | |
2570 | the next thing the caller is going to do is copy over the | |
2571 | real sections. We may someday have to split the contents | |
2572 | setting out of this function. */ | |
d3ba0551 AM |
2573 | if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize) |
2574 | || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0, | |
2575 | stringsize)) | |
252b5132 RH |
2576 | { |
2577 | non_fatal (_("%s: can't set debugging section contents: %s"), | |
2578 | bfd_get_filename (obfd), | |
2579 | bfd_errmsg (bfd_get_error ())); | |
b34976b6 | 2580 | return FALSE; |
252b5132 RH |
2581 | } |
2582 | ||
b34976b6 | 2583 | return TRUE; |
252b5132 RH |
2584 | } |
2585 | ||
2586 | non_fatal (_("%s: don't know how to write debugging information for %s"), | |
2587 | bfd_get_filename (obfd), bfd_get_target (obfd)); | |
b34976b6 | 2588 | return FALSE; |
252b5132 RH |
2589 | } |
2590 | ||
2591 | static int | |
84e2f313 | 2592 | strip_main (int argc, char *argv[]) |
252b5132 | 2593 | { |
7c29036b NC |
2594 | char *input_target = NULL; |
2595 | char *output_target = NULL; | |
b34976b6 | 2596 | bfd_boolean show_version = FALSE; |
7c29036b NC |
2597 | bfd_boolean formats_info = FALSE; |
2598 | int c; | |
2599 | int i; | |
252b5132 RH |
2600 | struct section_list *p; |
2601 | char *output_file = NULL; | |
2602 | ||
5fe11841 | 2603 | while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw", |
252b5132 RH |
2604 | strip_options, (int *) 0)) != EOF) |
2605 | { | |
2606 | switch (c) | |
2607 | { | |
2608 | case 'I': | |
2609 | input_target = optarg; | |
2610 | break; | |
2611 | case 'O': | |
2612 | output_target = optarg; | |
2613 | break; | |
2614 | case 'F': | |
2615 | input_target = output_target = optarg; | |
2616 | break; | |
2617 | case 'R': | |
b34976b6 AM |
2618 | p = find_section_list (optarg, TRUE); |
2619 | p->remove = TRUE; | |
2620 | sections_removed = TRUE; | |
252b5132 RH |
2621 | break; |
2622 | case 's': | |
2623 | strip_symbols = STRIP_ALL; | |
2624 | break; | |
2625 | case 'S': | |
2626 | case 'g': | |
db4f6831 | 2627 | case 'd': /* Historic BSD alias for -g. Used by early NetBSD. */ |
252b5132 RH |
2628 | strip_symbols = STRIP_DEBUG; |
2629 | break; | |
2630 | case OPTION_STRIP_UNNEEDED: | |
2631 | strip_symbols = STRIP_UNNEEDED; | |
2632 | break; | |
2633 | case 'K': | |
2634 | add_specific_symbol (optarg, &keep_specific_list); | |
2635 | break; | |
2636 | case 'N': | |
2637 | add_specific_symbol (optarg, &strip_specific_list); | |
2638 | break; | |
2639 | case 'o': | |
2640 | output_file = optarg; | |
2641 | break; | |
2642 | case 'p': | |
b34976b6 | 2643 | preserve_dates = TRUE; |
252b5132 RH |
2644 | break; |
2645 | case 'x': | |
2646 | discard_locals = LOCALS_ALL; | |
2647 | break; | |
2648 | case 'X': | |
2649 | discard_locals = LOCALS_START_L; | |
2650 | break; | |
2651 | case 'v': | |
b34976b6 | 2652 | verbose = TRUE; |
252b5132 RH |
2653 | break; |
2654 | case 'V': | |
b34976b6 | 2655 | show_version = TRUE; |
252b5132 | 2656 | break; |
7c29036b NC |
2657 | case OPTION_FORMATS_INFO: |
2658 | formats_info = TRUE; | |
2659 | break; | |
ed1653a7 NC |
2660 | case OPTION_ONLY_KEEP_DEBUG: |
2661 | strip_symbols = STRIP_NONDEBUG; | |
2662 | break; | |
1637cd90 JB |
2663 | case OPTION_KEEP_FILE_SYMBOLS: |
2664 | keep_file_symbols = 1; | |
2665 | break; | |
252b5132 | 2666 | case 0: |
594ef5db NC |
2667 | /* We've been given a long option. */ |
2668 | break; | |
5fe11841 NC |
2669 | case 'w': |
2670 | wildcard = TRUE; | |
2671 | break; | |
8b53311e | 2672 | case 'H': |
252b5132 RH |
2673 | case 'h': |
2674 | strip_usage (stdout, 0); | |
2675 | default: | |
2676 | strip_usage (stderr, 1); | |
2677 | } | |
2678 | } | |
2679 | ||
84e2f313 NC |
2680 | if (formats_info) |
2681 | { | |
2682 | display_info (); | |
2683 | return 0; | |
2684 | } | |
7c29036b | 2685 | |
252b5132 RH |
2686 | if (show_version) |
2687 | print_version ("strip"); | |
2688 | ||
2689 | /* Default is to strip all symbols. */ | |
2690 | if (strip_symbols == STRIP_UNDEF | |
2691 | && discard_locals == LOCALS_UNDEF | |
2692 | && strip_specific_list == NULL) | |
2693 | strip_symbols = STRIP_ALL; | |
2694 | ||
d3ba0551 | 2695 | if (output_target == NULL) |
252b5132 RH |
2696 | output_target = input_target; |
2697 | ||
2698 | i = optind; | |
2699 | if (i == argc | |
2700 | || (output_file != NULL && (i + 1) < argc)) | |
2701 | strip_usage (stderr, 1); | |
2702 | ||
2703 | for (; i < argc; i++) | |
2704 | { | |
2705 | int hold_status = status; | |
2706 | struct stat statbuf; | |
2707 | char *tmpname; | |
2708 | ||
f24ddbdd | 2709 | if (get_file_size (argv[i]) < 1) |
d68c385b NC |
2710 | { |
2711 | status = 1; | |
2712 | continue; | |
2713 | } | |
f24ddbdd | 2714 | |
252b5132 | 2715 | if (preserve_dates) |
f24ddbdd NC |
2716 | /* No need to check the return value of stat(). |
2717 | It has already been checked in get_file_size(). */ | |
2718 | stat (argv[i], &statbuf); | |
252b5132 RH |
2719 | |
2720 | if (output_file != NULL) | |
2721 | tmpname = output_file; | |
2722 | else | |
2723 | tmpname = make_tempname (argv[i]); | |
252b5132 | 2724 | |
f9c026a8 NC |
2725 | if (tmpname == NULL) |
2726 | { | |
2727 | non_fatal (_("could not create temporary file to hold stripped copy of '%s'"), | |
2728 | argv[i]); | |
2729 | status = 1; | |
2730 | continue; | |
2731 | } | |
2732 | ||
d68c385b | 2733 | status = 0; |
252b5132 RH |
2734 | copy_file (argv[i], tmpname, input_target, output_target); |
2735 | if (status == 0) | |
2736 | { | |
2737 | if (preserve_dates) | |
2738 | set_times (tmpname, &statbuf); | |
2739 | if (output_file == NULL) | |
2740 | smart_rename (tmpname, argv[i], preserve_dates); | |
2741 | status = hold_status; | |
2742 | } | |
2743 | else | |
bb14f524 | 2744 | unlink_if_ordinary (tmpname); |
252b5132 RH |
2745 | if (output_file == NULL) |
2746 | free (tmpname); | |
2747 | } | |
2748 | ||
d68c385b | 2749 | return status; |
252b5132 RH |
2750 | } |
2751 | ||
2752 | static int | |
84e2f313 | 2753 | copy_main (int argc, char *argv[]) |
252b5132 | 2754 | { |
43a0748c | 2755 | char * binary_architecture = NULL; |
7c29036b NC |
2756 | char *input_filename = NULL; |
2757 | char *output_filename = NULL; | |
2758 | char *input_target = NULL; | |
2759 | char *output_target = NULL; | |
b34976b6 AM |
2760 | bfd_boolean show_version = FALSE; |
2761 | bfd_boolean change_warn = TRUE; | |
7c29036b | 2762 | bfd_boolean formats_info = FALSE; |
252b5132 RH |
2763 | int c; |
2764 | struct section_list *p; | |
2765 | struct stat statbuf; | |
2766 | ||
5fe11841 | 2767 | while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w", |
252b5132 RH |
2768 | copy_options, (int *) 0)) != EOF) |
2769 | { | |
2770 | switch (c) | |
2771 | { | |
2772 | case 'b': | |
2773 | copy_byte = atoi (optarg); | |
2774 | if (copy_byte < 0) | |
2775 | fatal (_("byte number must be non-negative")); | |
2776 | break; | |
57938635 | 2777 | |
0af11b59 KH |
2778 | case 'B': |
2779 | binary_architecture = optarg; | |
2780 | break; | |
43a0748c | 2781 | |
252b5132 RH |
2782 | case 'i': |
2783 | interleave = atoi (optarg); | |
2784 | if (interleave < 1) | |
2785 | fatal (_("interleave must be positive")); | |
2786 | break; | |
57938635 | 2787 | |
252b5132 RH |
2788 | case 'I': |
2789 | case 's': /* "source" - 'I' is preferred */ | |
2790 | input_target = optarg; | |
2791 | break; | |
57938635 | 2792 | |
252b5132 RH |
2793 | case 'O': |
2794 | case 'd': /* "destination" - 'O' is preferred */ | |
2795 | output_target = optarg; | |
2796 | break; | |
57938635 | 2797 | |
252b5132 RH |
2798 | case 'F': |
2799 | input_target = output_target = optarg; | |
2800 | break; | |
57938635 | 2801 | |
f91ea849 | 2802 | case 'j': |
b34976b6 | 2803 | p = find_section_list (optarg, TRUE); |
f91ea849 ILT |
2804 | if (p->remove) |
2805 | fatal (_("%s both copied and removed"), optarg); | |
b34976b6 AM |
2806 | p->copy = TRUE; |
2807 | sections_copied = TRUE; | |
f91ea849 | 2808 | break; |
57938635 | 2809 | |
252b5132 | 2810 | case 'R': |
b34976b6 | 2811 | p = find_section_list (optarg, TRUE); |
f91ea849 ILT |
2812 | if (p->copy) |
2813 | fatal (_("%s both copied and removed"), optarg); | |
b34976b6 AM |
2814 | p->remove = TRUE; |
2815 | sections_removed = TRUE; | |
252b5132 | 2816 | break; |
57938635 | 2817 | |
252b5132 RH |
2818 | case 'S': |
2819 | strip_symbols = STRIP_ALL; | |
2820 | break; | |
57938635 | 2821 | |
252b5132 RH |
2822 | case 'g': |
2823 | strip_symbols = STRIP_DEBUG; | |
2824 | break; | |
57938635 | 2825 | |
252b5132 RH |
2826 | case OPTION_STRIP_UNNEEDED: |
2827 | strip_symbols = STRIP_UNNEEDED; | |
2828 | break; | |
57938635 | 2829 | |
ed1653a7 NC |
2830 | case OPTION_ONLY_KEEP_DEBUG: |
2831 | strip_symbols = STRIP_NONDEBUG; | |
2832 | break; | |
2833 | ||
1637cd90 JB |
2834 | case OPTION_KEEP_FILE_SYMBOLS: |
2835 | keep_file_symbols = 1; | |
2836 | break; | |
2837 | ||
2593f09a NC |
2838 | case OPTION_ADD_GNU_DEBUGLINK: |
2839 | gnu_debuglink_filename = optarg; | |
2840 | break; | |
2841 | ||
252b5132 RH |
2842 | case 'K': |
2843 | add_specific_symbol (optarg, &keep_specific_list); | |
2844 | break; | |
57938635 | 2845 | |
252b5132 RH |
2846 | case 'N': |
2847 | add_specific_symbol (optarg, &strip_specific_list); | |
2848 | break; | |
57938635 | 2849 | |
bcf32829 JB |
2850 | case OPTION_STRIP_UNNEEDED_SYMBOL: |
2851 | add_specific_symbol (optarg, &strip_unneeded_list); | |
2852 | break; | |
2853 | ||
252b5132 RH |
2854 | case 'L': |
2855 | add_specific_symbol (optarg, &localize_specific_list); | |
2856 | break; | |
57938635 | 2857 | |
7b4a0685 NC |
2858 | case OPTION_GLOBALIZE_SYMBOL: |
2859 | add_specific_symbol (optarg, &globalize_specific_list); | |
2860 | break; | |
2861 | ||
16b2b71c NC |
2862 | case 'G': |
2863 | add_specific_symbol (optarg, &keepglobal_specific_list); | |
2864 | break; | |
2865 | ||
252b5132 RH |
2866 | case 'W': |
2867 | add_specific_symbol (optarg, &weaken_specific_list); | |
2868 | break; | |
57938635 | 2869 | |
252b5132 | 2870 | case 'p': |
b34976b6 | 2871 | preserve_dates = TRUE; |
252b5132 | 2872 | break; |
57938635 | 2873 | |
5fe11841 NC |
2874 | case 'w': |
2875 | wildcard = TRUE; | |
2876 | break; | |
2877 | ||
252b5132 RH |
2878 | case 'x': |
2879 | discard_locals = LOCALS_ALL; | |
2880 | break; | |
57938635 | 2881 | |
252b5132 RH |
2882 | case 'X': |
2883 | discard_locals = LOCALS_START_L; | |
2884 | break; | |
57938635 | 2885 | |
252b5132 | 2886 | case 'v': |
b34976b6 | 2887 | verbose = TRUE; |
252b5132 | 2888 | break; |
57938635 | 2889 | |
252b5132 | 2890 | case 'V': |
b34976b6 | 2891 | show_version = TRUE; |
252b5132 | 2892 | break; |
57938635 | 2893 | |
7c29036b NC |
2894 | case OPTION_FORMATS_INFO: |
2895 | formats_info = TRUE; | |
2896 | break; | |
2897 | ||
252b5132 | 2898 | case OPTION_WEAKEN: |
b34976b6 | 2899 | weaken = TRUE; |
252b5132 | 2900 | break; |
57938635 | 2901 | |
252b5132 RH |
2902 | case OPTION_ADD_SECTION: |
2903 | { | |
2904 | const char *s; | |
f24ddbdd | 2905 | off_t size; |
252b5132 RH |
2906 | struct section_add *pa; |
2907 | int len; | |
2908 | char *name; | |
2909 | FILE *f; | |
2910 | ||
2911 | s = strchr (optarg, '='); | |
57938635 | 2912 | |
252b5132 | 2913 | if (s == NULL) |
57938635 | 2914 | fatal (_("bad format for %s"), "--add-section"); |
252b5132 | 2915 | |
f24ddbdd NC |
2916 | size = get_file_size (s + 1); |
2917 | if (size < 1) | |
d68c385b NC |
2918 | { |
2919 | status = 1; | |
2920 | break; | |
2921 | } | |
252b5132 | 2922 | |
d3ba0551 | 2923 | pa = xmalloc (sizeof (struct section_add)); |
252b5132 RH |
2924 | |
2925 | len = s - optarg; | |
d3ba0551 | 2926 | name = xmalloc (len + 1); |
252b5132 RH |
2927 | strncpy (name, optarg, len); |
2928 | name[len] = '\0'; | |
2929 | pa->name = name; | |
2930 | ||
2931 | pa->filename = s + 1; | |
f24ddbdd NC |
2932 | pa->size = size; |
2933 | pa->contents = xmalloc (size); | |
252b5132 | 2934 | |
252b5132 | 2935 | f = fopen (pa->filename, FOPEN_RB); |
57938635 | 2936 | |
252b5132 | 2937 | if (f == NULL) |
84e2f313 NC |
2938 | fatal (_("cannot open: %s: %s"), |
2939 | pa->filename, strerror (errno)); | |
57938635 | 2940 | |
252b5132 RH |
2941 | if (fread (pa->contents, 1, pa->size, f) == 0 |
2942 | || ferror (f)) | |
2943 | fatal (_("%s: fread failed"), pa->filename); | |
2944 | ||
2945 | fclose (f); | |
2946 | ||
2947 | pa->next = add_sections; | |
2948 | add_sections = pa; | |
2949 | } | |
2950 | break; | |
57938635 | 2951 | |
252b5132 RH |
2952 | case OPTION_CHANGE_START: |
2953 | change_start = parse_vma (optarg, "--change-start"); | |
2954 | break; | |
57938635 | 2955 | |
252b5132 RH |
2956 | case OPTION_CHANGE_SECTION_ADDRESS: |
2957 | case OPTION_CHANGE_SECTION_LMA: | |
2958 | case OPTION_CHANGE_SECTION_VMA: | |
2959 | { | |
2960 | const char *s; | |
2961 | int len; | |
2962 | char *name; | |
b4c96d0d | 2963 | char *option = NULL; |
252b5132 | 2964 | bfd_vma val; |
b4c96d0d | 2965 | enum change_action what = CHANGE_IGNORE; |
57938635 | 2966 | |
252b5132 RH |
2967 | switch (c) |
2968 | { | |
b4c96d0d ILT |
2969 | case OPTION_CHANGE_SECTION_ADDRESS: |
2970 | option = "--change-section-address"; | |
2971 | break; | |
2972 | case OPTION_CHANGE_SECTION_LMA: | |
2973 | option = "--change-section-lma"; | |
2974 | break; | |
2975 | case OPTION_CHANGE_SECTION_VMA: | |
2976 | option = "--change-section-vma"; | |
2977 | break; | |
252b5132 | 2978 | } |
57938635 | 2979 | |
252b5132 RH |
2980 | s = strchr (optarg, '='); |
2981 | if (s == NULL) | |
2982 | { | |
2983 | s = strchr (optarg, '+'); | |
2984 | if (s == NULL) | |
2985 | { | |
2986 | s = strchr (optarg, '-'); | |
2987 | if (s == NULL) | |
2988 | fatal (_("bad format for %s"), option); | |
2989 | } | |
2990 | } | |
2991 | ||
2992 | len = s - optarg; | |
d3ba0551 | 2993 | name = xmalloc (len + 1); |
252b5132 RH |
2994 | strncpy (name, optarg, len); |
2995 | name[len] = '\0'; | |
2996 | ||
b34976b6 | 2997 | p = find_section_list (name, TRUE); |
252b5132 RH |
2998 | |
2999 | val = parse_vma (s + 1, option); | |
3000 | ||
3001 | switch (*s) | |
3002 | { | |
3003 | case '=': what = CHANGE_SET; break; | |
3004 | case '-': val = - val; /* Drop through. */ | |
3005 | case '+': what = CHANGE_MODIFY; break; | |
3006 | } | |
57938635 | 3007 | |
252b5132 RH |
3008 | switch (c) |
3009 | { | |
3010 | case OPTION_CHANGE_SECTION_ADDRESS: | |
3011 | p->change_vma = what; | |
3012 | p->vma_val = val; | |
3013 | /* Drop through. */ | |
57938635 | 3014 | |
252b5132 RH |
3015 | case OPTION_CHANGE_SECTION_LMA: |
3016 | p->change_lma = what; | |
3017 | p->lma_val = val; | |
3018 | break; | |
57938635 | 3019 | |
252b5132 RH |
3020 | case OPTION_CHANGE_SECTION_VMA: |
3021 | p->change_vma = what; | |
3022 | p->vma_val = val; | |
3023 | break; | |
3024 | } | |
3025 | } | |
3026 | break; | |
57938635 | 3027 | |
252b5132 RH |
3028 | case OPTION_CHANGE_ADDRESSES: |
3029 | change_section_address = parse_vma (optarg, "--change-addresses"); | |
3030 | change_start = change_section_address; | |
3031 | break; | |
57938635 | 3032 | |
252b5132 | 3033 | case OPTION_CHANGE_WARNINGS: |
b34976b6 | 3034 | change_warn = TRUE; |
252b5132 | 3035 | break; |
57938635 | 3036 | |
252b5132 | 3037 | case OPTION_CHANGE_LEADING_CHAR: |
b34976b6 | 3038 | change_leading_char = TRUE; |
252b5132 | 3039 | break; |
57938635 | 3040 | |
252b5132 | 3041 | case OPTION_DEBUGGING: |
b34976b6 | 3042 | convert_debugging = TRUE; |
252b5132 | 3043 | break; |
57938635 | 3044 | |
252b5132 RH |
3045 | case OPTION_GAP_FILL: |
3046 | { | |
3047 | bfd_vma gap_fill_vma; | |
3048 | ||
3049 | gap_fill_vma = parse_vma (optarg, "--gap-fill"); | |
3050 | gap_fill = (bfd_byte) gap_fill_vma; | |
3051 | if ((bfd_vma) gap_fill != gap_fill_vma) | |
3052 | { | |
3053 | char buff[20]; | |
57938635 | 3054 | |
252b5132 | 3055 | sprintf_vma (buff, gap_fill_vma); |
57938635 | 3056 | |
252b5132 RH |
3057 | non_fatal (_("Warning: truncating gap-fill from 0x%s to 0x%x"), |
3058 | buff, gap_fill); | |
3059 | } | |
b34976b6 | 3060 | gap_fill_set = TRUE; |
252b5132 RH |
3061 | } |
3062 | break; | |
57938635 | 3063 | |
252b5132 | 3064 | case OPTION_NO_CHANGE_WARNINGS: |
b34976b6 | 3065 | change_warn = FALSE; |
252b5132 | 3066 | break; |
57938635 | 3067 | |
252b5132 RH |
3068 | case OPTION_PAD_TO: |
3069 | pad_to = parse_vma (optarg, "--pad-to"); | |
b34976b6 | 3070 | pad_to_set = TRUE; |
252b5132 | 3071 | break; |
57938635 | 3072 | |
252b5132 | 3073 | case OPTION_REMOVE_LEADING_CHAR: |
b34976b6 | 3074 | remove_leading_char = TRUE; |
252b5132 | 3075 | break; |
57938635 AM |
3076 | |
3077 | case OPTION_REDEFINE_SYM: | |
3078 | { | |
3079 | /* Push this redefinition onto redefine_symbol_list. */ | |
3080 | ||
3081 | int len; | |
3082 | const char *s; | |
3083 | const char *nextarg; | |
3084 | char *source, *target; | |
3085 | ||
3086 | s = strchr (optarg, '='); | |
3087 | if (s == NULL) | |
594ef5db | 3088 | fatal (_("bad format for %s"), "--redefine-sym"); |
57938635 AM |
3089 | |
3090 | len = s - optarg; | |
d3ba0551 | 3091 | source = xmalloc (len + 1); |
57938635 AM |
3092 | strncpy (source, optarg, len); |
3093 | source[len] = '\0'; | |
3094 | ||
3095 | nextarg = s + 1; | |
3096 | len = strlen (nextarg); | |
d3ba0551 | 3097 | target = xmalloc (len + 1); |
57938635 AM |
3098 | strcpy (target, nextarg); |
3099 | ||
92991082 | 3100 | redefine_list_append ("--redefine-sym", source, target); |
57938635 AM |
3101 | |
3102 | free (source); | |
3103 | free (target); | |
3104 | } | |
3105 | break; | |
3106 | ||
92991082 JT |
3107 | case OPTION_REDEFINE_SYMS: |
3108 | add_redefine_syms_file (optarg); | |
3109 | break; | |
3110 | ||
252b5132 RH |
3111 | case OPTION_SET_SECTION_FLAGS: |
3112 | { | |
3113 | const char *s; | |
3114 | int len; | |
3115 | char *name; | |
3116 | ||
3117 | s = strchr (optarg, '='); | |
3118 | if (s == NULL) | |
57938635 | 3119 | fatal (_("bad format for %s"), "--set-section-flags"); |
252b5132 RH |
3120 | |
3121 | len = s - optarg; | |
d3ba0551 | 3122 | name = xmalloc (len + 1); |
252b5132 RH |
3123 | strncpy (name, optarg, len); |
3124 | name[len] = '\0'; | |
3125 | ||
b34976b6 | 3126 | p = find_section_list (name, TRUE); |
252b5132 | 3127 | |
b34976b6 | 3128 | p->set_flags = TRUE; |
252b5132 RH |
3129 | p->flags = parse_flags (s + 1); |
3130 | } | |
3131 | break; | |
57938635 | 3132 | |
594ef5db NC |
3133 | case OPTION_RENAME_SECTION: |
3134 | { | |
3135 | flagword flags; | |
3bcfb3e4 AM |
3136 | const char *eq, *fl; |
3137 | char *old_name; | |
3138 | char *new_name; | |
594ef5db NC |
3139 | unsigned int len; |
3140 | ||
3bcfb3e4 AM |
3141 | eq = strchr (optarg, '='); |
3142 | if (eq == NULL) | |
594ef5db NC |
3143 | fatal (_("bad format for %s"), "--rename-section"); |
3144 | ||
3bcfb3e4 | 3145 | len = eq - optarg; |
594ef5db | 3146 | if (len == 0) |
3bcfb3e4 | 3147 | fatal (_("bad format for %s"), "--rename-section"); |
594ef5db | 3148 | |
d3ba0551 | 3149 | old_name = xmalloc (len + 1); |
594ef5db NC |
3150 | strncpy (old_name, optarg, len); |
3151 | old_name[len] = 0; | |
3152 | ||
3bcfb3e4 AM |
3153 | eq++; |
3154 | fl = strchr (eq, ','); | |
3155 | if (fl) | |
594ef5db | 3156 | { |
3bcfb3e4 AM |
3157 | flags = parse_flags (fl + 1); |
3158 | len = fl - eq; | |
594ef5db NC |
3159 | } |
3160 | else | |
3161 | { | |
594ef5db | 3162 | flags = -1; |
3bcfb3e4 | 3163 | len = strlen (eq); |
594ef5db NC |
3164 | } |
3165 | ||
3bcfb3e4 AM |
3166 | if (len == 0) |
3167 | fatal (_("bad format for %s"), "--rename-section"); | |
3168 | ||
d3ba0551 | 3169 | new_name = xmalloc (len + 1); |
3bcfb3e4 AM |
3170 | strncpy (new_name, eq, len); |
3171 | new_name[len] = 0; | |
3172 | ||
594ef5db NC |
3173 | add_section_rename (old_name, new_name, flags); |
3174 | } | |
3175 | break; | |
3176 | ||
252b5132 RH |
3177 | case OPTION_SET_START: |
3178 | set_start = parse_vma (optarg, "--set-start"); | |
b34976b6 | 3179 | set_start_set = TRUE; |
252b5132 | 3180 | break; |
57938635 | 3181 | |
0af11b59 KH |
3182 | case OPTION_SREC_LEN: |
3183 | Chunk = parse_vma (optarg, "--srec-len"); | |
3184 | break; | |
420496c1 | 3185 | |
0af11b59 | 3186 | case OPTION_SREC_FORCES3: |
b34976b6 | 3187 | S3Forced = TRUE; |
0af11b59 | 3188 | break; |
420496c1 | 3189 | |
16b2b71c NC |
3190 | case OPTION_STRIP_SYMBOLS: |
3191 | add_specific_symbols (optarg, &strip_specific_list); | |
3192 | break; | |
3193 | ||
bcf32829 JB |
3194 | case OPTION_STRIP_UNNEEDED_SYMBOLS: |
3195 | add_specific_symbols (optarg, &strip_unneeded_list); | |
3196 | break; | |
3197 | ||
16b2b71c NC |
3198 | case OPTION_KEEP_SYMBOLS: |
3199 | add_specific_symbols (optarg, &keep_specific_list); | |
3200 | break; | |
3201 | ||
d58c2e3a RS |
3202 | case OPTION_LOCALIZE_HIDDEN: |
3203 | localize_hidden = TRUE; | |
3204 | break; | |
3205 | ||
16b2b71c NC |
3206 | case OPTION_LOCALIZE_SYMBOLS: |
3207 | add_specific_symbols (optarg, &localize_specific_list); | |
3208 | break; | |
3209 | ||
7b4a0685 NC |
3210 | case OPTION_GLOBALIZE_SYMBOLS: |
3211 | add_specific_symbols (optarg, &globalize_specific_list); | |
3212 | break; | |
3213 | ||
16b2b71c NC |
3214 | case OPTION_KEEPGLOBAL_SYMBOLS: |
3215 | add_specific_symbols (optarg, &keepglobal_specific_list); | |
3216 | break; | |
3217 | ||
3218 | case OPTION_WEAKEN_SYMBOLS: | |
3219 | add_specific_symbols (optarg, &weaken_specific_list); | |
3220 | break; | |
3221 | ||
1ae8b3d2 | 3222 | case OPTION_ALT_MACH_CODE: |
f9d4ad2a NC |
3223 | use_alt_mach_code = strtoul (optarg, NULL, 0); |
3224 | if (use_alt_mach_code == 0) | |
3225 | fatal (_("unable to parse alternative machine code")); | |
1ae8b3d2 AO |
3226 | break; |
3227 | ||
d7fb0dd2 NC |
3228 | case OPTION_PREFIX_SYMBOLS: |
3229 | prefix_symbols_string = optarg; | |
3230 | break; | |
3231 | ||
3232 | case OPTION_PREFIX_SECTIONS: | |
3233 | prefix_sections_string = optarg; | |
3234 | break; | |
3235 | ||
3236 | case OPTION_PREFIX_ALLOC_SECTIONS: | |
3237 | prefix_alloc_sections_string = optarg; | |
3238 | break; | |
3239 | ||
4087920c MR |
3240 | case OPTION_READONLY_TEXT: |
3241 | bfd_flags_to_set |= WP_TEXT; | |
3242 | bfd_flags_to_clear &= ~WP_TEXT; | |
3243 | break; | |
3244 | ||
3245 | case OPTION_WRITABLE_TEXT: | |
3246 | bfd_flags_to_clear |= WP_TEXT; | |
3247 | bfd_flags_to_set &= ~WP_TEXT; | |
3248 | break; | |
3249 | ||
3250 | case OPTION_PURE: | |
3251 | bfd_flags_to_set |= D_PAGED; | |
3252 | bfd_flags_to_clear &= ~D_PAGED; | |
3253 | break; | |
3254 | ||
3255 | case OPTION_IMPURE: | |
3256 | bfd_flags_to_clear |= D_PAGED; | |
3257 | bfd_flags_to_set &= ~D_PAGED; | |
3258 | break; | |
3259 | ||
d3e52d40 RS |
3260 | case OPTION_EXTRACT_SYMBOL: |
3261 | extract_symbol = TRUE; | |
3262 | break; | |
3263 | ||
252b5132 | 3264 | case 0: |
2593f09a NC |
3265 | /* We've been given a long option. */ |
3266 | break; | |
57938635 | 3267 | |
8b53311e | 3268 | case 'H': |
252b5132 RH |
3269 | case 'h': |
3270 | copy_usage (stdout, 0); | |
57938635 | 3271 | |
252b5132 RH |
3272 | default: |
3273 | copy_usage (stderr, 1); | |
3274 | } | |
3275 | } | |
3276 | ||
7c29036b NC |
3277 | if (formats_info) |
3278 | { | |
3279 | display_info (); | |
3280 | return 0; | |
3281 | } | |
3282 | ||
252b5132 RH |
3283 | if (show_version) |
3284 | print_version ("objcopy"); | |
3285 | ||
3286 | if (copy_byte >= interleave) | |
3287 | fatal (_("byte number must be less than interleave")); | |
3288 | ||
3289 | if (optind == argc || optind + 2 < argc) | |
3290 | copy_usage (stderr, 1); | |
3291 | ||
3292 | input_filename = argv[optind]; | |
3293 | if (optind + 1 < argc) | |
3294 | output_filename = argv[optind + 1]; | |
3295 | ||
3296 | /* Default is to strip no symbols. */ | |
3297 | if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF) | |
3298 | strip_symbols = STRIP_NONE; | |
3299 | ||
d3ba0551 | 3300 | if (output_target == NULL) |
252b5132 RH |
3301 | output_target = input_target; |
3302 | ||
d3ba0551 | 3303 | if (binary_architecture != NULL) |
252b5132 | 3304 | { |
43a0748c | 3305 | if (input_target && strcmp (input_target, "binary") == 0) |
0af11b59 KH |
3306 | { |
3307 | const bfd_arch_info_type * temp_arch_info; | |
43a0748c NC |
3308 | |
3309 | temp_arch_info = bfd_scan_arch (binary_architecture); | |
3310 | ||
0af11b59 | 3311 | if (temp_arch_info != NULL) |
b749473b NC |
3312 | { |
3313 | bfd_external_binary_architecture = temp_arch_info->arch; | |
3314 | bfd_external_machine = temp_arch_info->mach; | |
3315 | } | |
0af11b59 KH |
3316 | else |
3317 | fatal (_("architecture %s unknown"), binary_architecture); | |
3318 | } | |
43a0748c NC |
3319 | else |
3320 | { | |
3321 | non_fatal (_("Warning: input target 'binary' required for binary architecture parameter.")); | |
3322 | non_fatal (_(" Argument %s ignored"), binary_architecture); | |
3323 | } | |
252b5132 RH |
3324 | } |
3325 | ||
43a0748c NC |
3326 | if (preserve_dates) |
3327 | if (stat (input_filename, & statbuf) < 0) | |
f24ddbdd NC |
3328 | fatal (_("warning: could not locate '%s'. System error message: %s"), |
3329 | input_filename, strerror (errno)); | |
43a0748c | 3330 | |
0fcdcb91 | 3331 | /* If there is no destination file, or the source and destination files |
d3ba0551 AM |
3332 | are the same, then create a temp and rename the result into the input. */ |
3333 | if (output_filename == NULL || strcmp (input_filename, output_filename) == 0) | |
252b5132 RH |
3334 | { |
3335 | char *tmpname = make_tempname (input_filename); | |
3336 | ||
f9c026a8 NC |
3337 | if (tmpname == NULL) |
3338 | fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"), | |
3339 | input_filename, strerror (errno)); | |
3340 | ||
252b5132 RH |
3341 | copy_file (input_filename, tmpname, input_target, output_target); |
3342 | if (status == 0) | |
57938635 | 3343 | { |
252b5132 RH |
3344 | if (preserve_dates) |
3345 | set_times (tmpname, &statbuf); | |
3346 | smart_rename (tmpname, input_filename, preserve_dates); | |
3347 | } | |
3348 | else | |
3349 | unlink (tmpname); | |
3350 | } | |
3351 | else | |
3352 | { | |
3353 | copy_file (input_filename, output_filename, input_target, output_target); | |
594ef5db | 3354 | |
252b5132 RH |
3355 | if (status == 0 && preserve_dates) |
3356 | set_times (output_filename, &statbuf); | |
a580b8e0 JB |
3357 | else if (status != 0) |
3358 | unlink_if_ordinary (output_filename); | |
252b5132 RH |
3359 | } |
3360 | ||
3361 | if (change_warn) | |
3362 | { | |
3363 | for (p = change_sections; p != NULL; p = p->next) | |
3364 | { | |
3365 | if (! p->used) | |
3366 | { | |
3367 | if (p->change_vma != CHANGE_IGNORE) | |
3368 | { | |
3369 | char buff [20]; | |
3370 | ||
3371 | sprintf_vma (buff, p->vma_val); | |
57938635 | 3372 | |
252b5132 | 3373 | /* xgettext:c-format */ |
57938635 AM |
3374 | non_fatal (_("%s %s%c0x%s never used"), |
3375 | "--change-section-vma", | |
252b5132 RH |
3376 | p->name, |
3377 | p->change_vma == CHANGE_SET ? '=' : '+', | |
3378 | buff); | |
3379 | } | |
57938635 | 3380 | |
252b5132 RH |
3381 | if (p->change_lma != CHANGE_IGNORE) |
3382 | { | |
3383 | char buff [20]; | |
3384 | ||
3385 | sprintf_vma (buff, p->lma_val); | |
57938635 | 3386 | |
252b5132 | 3387 | /* xgettext:c-format */ |
57938635 AM |
3388 | non_fatal (_("%s %s%c0x%s never used"), |
3389 | "--change-section-lma", | |
252b5132 RH |
3390 | p->name, |
3391 | p->change_lma == CHANGE_SET ? '=' : '+', | |
3392 | buff); | |
3393 | } | |
3394 | } | |
3395 | } | |
3396 | } | |
3397 | ||
3398 | return 0; | |
3399 | } | |
3400 | ||
3401 | int | |
84e2f313 | 3402 | main (int argc, char *argv[]) |
252b5132 RH |
3403 | { |
3404 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
3405 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
3406 | #endif |
3407 | #if defined (HAVE_SETLOCALE) | |
3408 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
3409 | #endif |
3410 | bindtextdomain (PACKAGE, LOCALEDIR); | |
3411 | textdomain (PACKAGE); | |
3412 | ||
3413 | program_name = argv[0]; | |
3414 | xmalloc_set_program_name (program_name); | |
3415 | ||
3416 | START_PROGRESS (program_name, 0); | |
3417 | ||
869b9d07 MM |
3418 | expandargv (&argc, &argv); |
3419 | ||
252b5132 RH |
3420 | strip_symbols = STRIP_UNDEF; |
3421 | discard_locals = LOCALS_UNDEF; | |
3422 | ||
3423 | bfd_init (); | |
3424 | set_default_bfd_target (); | |
3425 | ||
3426 | if (is_strip < 0) | |
3427 | { | |
3428 | int i = strlen (program_name); | |
5af11cab AM |
3429 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
3430 | /* Drop the .exe suffix, if any. */ | |
3431 | if (i > 4 && FILENAME_CMP (program_name + i - 4, ".exe") == 0) | |
3432 | { | |
3433 | i -= 4; | |
3434 | program_name[i] = '\0'; | |
3435 | } | |
3436 | #endif | |
3437 | is_strip = (i >= 5 && FILENAME_CMP (program_name + i - 5, "strip") == 0); | |
252b5132 RH |
3438 | } |
3439 | ||
3440 | if (is_strip) | |
3441 | strip_main (argc, argv); | |
3442 | else | |
3443 | copy_main (argc, argv); | |
3444 | ||
3445 | END_PROGRESS (program_name); | |
3446 | ||
3447 | return status; | |
3448 | } |