Commit | Line | Data |
---|---|---|
bae7f79e ILT |
1 | // options.c -- handle command line options for gold |
2 | ||
2571583a | 3 | // Copyright (C) 2006-2017 Free Software Foundation, Inc. |
6cb15b7f ILT |
4 | // Written by Ian Lance Taylor <iant@google.com>. |
5 | ||
6 | // This file is part of gold. | |
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 3 of the License, or | |
11 | // (at your option) any later version. | |
12 | ||
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
21 | // MA 02110-1301, USA. | |
22 | ||
ad2d6943 ILT |
23 | #include "gold.h" |
24 | ||
8c604651 | 25 | #include <cerrno> |
a2b1aa12 | 26 | #include <cstdlib> |
04bf7072 | 27 | #include <cstring> |
8c604651 | 28 | #include <fstream> |
ee1fe73e | 29 | #include <vector> |
bae7f79e | 30 | #include <iostream> |
ad2d6943 ILT |
31 | #include <sys/stat.h> |
32 | #include "filenames.h" | |
33 | #include "libiberty.h" | |
086a1841 | 34 | #include "demangle.h" |
819d6c3a | 35 | #include "../bfd/bfdver.h" |
bae7f79e | 36 | |
c7912668 | 37 | #include "debug.h" |
e5756efb | 38 | #include "script.h" |
ee1fe73e | 39 | #include "target-select.h" |
bae7f79e | 40 | #include "options.h" |
89fc3421 | 41 | #include "plugin.h" |
bae7f79e | 42 | |
61ba1cf9 ILT |
43 | namespace gold |
44 | { | |
45 | ||
ee1fe73e ILT |
46 | General_options |
47 | Position_dependent_options::default_options_; | |
bae7f79e | 48 | |
ee1fe73e | 49 | namespace options |
bae7f79e | 50 | { |
bae7f79e | 51 | |
293c1386 | 52 | // This flag is TRUE if we should register the command-line options as they |
9b547ce6 | 53 | // are constructed. It is set after construction of the options within |
293c1386 CC |
54 | // class Position_dependent_options. |
55 | static bool ready_to_register = false; | |
56 | ||
ee1fe73e ILT |
57 | // This global variable is set up as General_options is constructed. |
58 | static std::vector<const One_option*> registered_options; | |
bae7f79e | 59 | |
ee1fe73e ILT |
60 | // These are set up at the same time -- the variables that accept one |
61 | // dash, two, or require -z. A single variable may be in more than | |
9b547ce6 | 62 | // one of these data structures. |
ee1fe73e ILT |
63 | typedef Unordered_map<std::string, One_option*> Option_map; |
64 | static Option_map* long_options = NULL; | |
65 | static One_option* short_options[128]; | |
bae7f79e | 66 | |
ee1fe73e ILT |
67 | void |
68 | One_option::register_option() | |
35cdfc9a | 69 | { |
293c1386 CC |
70 | if (!ready_to_register) |
71 | return; | |
72 | ||
ee1fe73e | 73 | registered_options.push_back(this); |
35cdfc9a | 74 | |
ee1fe73e ILT |
75 | // We can't make long_options a static Option_map because we can't |
76 | // guarantee that will be initialized before register_option() is | |
77 | // first called. | |
78 | if (long_options == NULL) | |
79 | long_options = new Option_map; | |
cd72c291 | 80 | |
ee1fe73e ILT |
81 | // TWO_DASHES means that two dashes are preferred, but one is ok too. |
82 | if (!this->longname.empty()) | |
83 | (*long_options)[this->longname] = this; | |
35cdfc9a | 84 | |
ee1fe73e ILT |
85 | const int shortname_as_int = static_cast<int>(this->shortname); |
86 | gold_assert(shortname_as_int >= 0 && shortname_as_int < 128); | |
87 | if (this->shortname != '\0') | |
293c1386 CC |
88 | { |
89 | gold_assert(short_options[shortname_as_int] == NULL); | |
90 | short_options[shortname_as_int] = this; | |
91 | } | |
ee1fe73e | 92 | } |
c7912668 | 93 | |
ee1fe73e ILT |
94 | void |
95 | One_option::print() const | |
c7912668 | 96 | { |
ee1fe73e ILT |
97 | bool comma = false; |
98 | printf(" "); | |
99 | int len = 2; | |
100 | if (this->shortname != '\0') | |
101 | { | |
102 | len += printf("-%c", this->shortname); | |
103 | if (this->helparg) | |
bbc5ae17 RM |
104 | { |
105 | // -z takes long-names only. | |
106 | gold_assert(this->dashes != DASH_Z); | |
107 | len += printf(" %s", gettext(this->helparg)); | |
108 | } | |
ee1fe73e ILT |
109 | comma = true; |
110 | } | |
111 | if (!this->longname.empty() | |
112 | && !(this->longname[0] == this->shortname | |
113 | && this->longname[1] == '\0')) | |
114 | { | |
115 | if (comma) | |
bbc5ae17 | 116 | len += printf(", "); |
ee1fe73e | 117 | switch (this->dashes) |
bbc5ae17 RM |
118 | { |
119 | case options::ONE_DASH: case options::EXACTLY_ONE_DASH: | |
120 | len += printf("-"); | |
121 | break; | |
122 | case options::TWO_DASHES: case options::EXACTLY_TWO_DASHES: | |
123 | len += printf("--"); | |
124 | break; | |
125 | case options::DASH_Z: | |
126 | len += printf("-z "); | |
127 | break; | |
128 | default: | |
129 | gold_unreachable(); | |
130 | } | |
ee1fe73e ILT |
131 | len += printf("%s", this->longname.c_str()); |
132 | if (this->helparg) | |
bbc5ae17 RM |
133 | { |
134 | // For most options, we print "--frob FOO". But for -z | |
135 | // we print "-z frob=FOO". | |
136 | len += printf("%c%s", this->dashes == options::DASH_Z ? '=' : ' ', | |
137 | gettext(this->helparg)); | |
138 | } | |
ee1fe73e ILT |
139 | } |
140 | ||
141 | if (len >= 30) | |
142 | { | |
143 | printf("\n"); | |
144 | len = 0; | |
145 | } | |
146 | for (; len < 30; ++len) | |
147 | std::putchar(' '); | |
c7912668 | 148 | |
358a9718 CC |
149 | printf("%s", gettext(this->helpstring)); |
150 | if (this->is_default) | |
151 | printf(" (%s)", _("default")); | |
152 | printf("\n"); | |
ee1fe73e | 153 | } |
c7912668 | 154 | |
ee1fe73e ILT |
155 | void |
156 | help() | |
bae7f79e | 157 | { |
ee1fe73e | 158 | printf(_("Usage: %s [options] file...\nOptions:\n"), gold::program_name); |
bae7f79e | 159 | |
ee1fe73e ILT |
160 | std::vector<const One_option*>::const_iterator it; |
161 | for (it = registered_options.begin(); it != registered_options.end(); ++it) | |
162 | (*it)->print(); | |
e96caa79 ILT |
163 | |
164 | // config.guess and libtool.m4 look in ld --help output for the | |
165 | // string "supported targets". | |
166 | printf(_("%s: supported targets:"), gold::program_name); | |
167 | std::vector<const char*> supported_names; | |
168 | gold::supported_target_names(&supported_names); | |
169 | for (std::vector<const char*>::const_iterator p = supported_names.begin(); | |
170 | p != supported_names.end(); | |
171 | ++p) | |
172 | printf(" %s", *p); | |
173 | printf("\n"); | |
819d6c3a | 174 | |
03ef7571 ILT |
175 | printf(_("%s: supported emulations:"), gold::program_name); |
176 | supported_names.clear(); | |
177 | gold::supported_emulation_names(&supported_names); | |
178 | for (std::vector<const char*>::const_iterator p = supported_names.begin(); | |
179 | p != supported_names.end(); | |
180 | ++p) | |
181 | printf(" %s", *p); | |
182 | printf("\n"); | |
183 | ||
819d6c3a ILT |
184 | // REPORT_BUGS_TO is defined in bfd/bfdver.h. |
185 | const char* report = REPORT_BUGS_TO; | |
186 | if (*report != '\0') | |
187 | printf(_("Report bugs to %s\n"), report); | |
ee1fe73e | 188 | } |
61ba1cf9 | 189 | |
ee1fe73e ILT |
190 | // For bool, arg will be NULL (boolean options take no argument); |
191 | // we always just set to true. | |
192 | void | |
193 | parse_bool(const char*, const char*, bool* retval) | |
bae7f79e | 194 | { |
ee1fe73e ILT |
195 | *retval = true; |
196 | } | |
bae7f79e | 197 | |
ee1fe73e ILT |
198 | void |
199 | parse_uint(const char* option_name, const char* arg, int* retval) | |
200 | { | |
201 | char* endptr; | |
202 | *retval = strtol(arg, &endptr, 0); | |
6a59a5c2 | 203 | if (*endptr != '\0' || *retval < 0) |
ee1fe73e | 204 | gold_fatal(_("%s: invalid option value (expected an integer): %s"), |
bbc5ae17 | 205 | option_name, arg); |
ee1fe73e | 206 | } |
bc644c6c | 207 | |
c0a62865 DK |
208 | void |
209 | parse_int(const char* option_name, const char* arg, int* retval) | |
210 | { | |
211 | char* endptr; | |
212 | *retval = strtol(arg, &endptr, 0); | |
213 | if (*endptr != '\0') | |
214 | gold_fatal(_("%s: invalid option value (expected an integer): %s"), | |
bbc5ae17 | 215 | option_name, arg); |
c0a62865 DK |
216 | } |
217 | ||
ee1fe73e | 218 | void |
ca09d69a | 219 | parse_uint64(const char* option_name, const char* arg, uint64_t* retval) |
bc644c6c | 220 | { |
ee1fe73e ILT |
221 | char* endptr; |
222 | *retval = strtoull(arg, &endptr, 0); | |
223 | if (*endptr != '\0') | |
224 | gold_fatal(_("%s: invalid option value (expected an integer): %s"), | |
bbc5ae17 | 225 | option_name, arg); |
ee1fe73e ILT |
226 | } |
227 | ||
c18476e7 ILT |
228 | void |
229 | parse_double(const char* option_name, const char* arg, double* retval) | |
230 | { | |
231 | char* endptr; | |
232 | *retval = strtod(arg, &endptr); | |
233 | if (*endptr != '\0') | |
234 | gold_fatal(_("%s: invalid option value " | |
235 | "(expected a floating point number): %s"), | |
236 | option_name, arg); | |
237 | } | |
238 | ||
9fbd3822 CC |
239 | void |
240 | parse_percent(const char* option_name, const char* arg, double* retval) | |
241 | { | |
242 | char* endptr; | |
243 | *retval = strtod(arg, &endptr) / 100.0; | |
244 | if (*endptr != '\0') | |
245 | gold_fatal(_("%s: invalid option value " | |
246 | "(expected a floating point number): %s"), | |
247 | option_name, arg); | |
248 | } | |
249 | ||
ee1fe73e ILT |
250 | void |
251 | parse_string(const char* option_name, const char* arg, const char** retval) | |
252 | { | |
253 | if (*arg == '\0') | |
254 | gold_fatal(_("%s: must take a non-empty argument"), option_name); | |
255 | *retval = arg; | |
256 | } | |
257 | ||
086a1841 ILT |
258 | void |
259 | parse_optional_string(const char*, const char* arg, const char** retval) | |
260 | { | |
261 | *retval = arg; | |
262 | } | |
263 | ||
ee1fe73e ILT |
264 | void |
265 | parse_dirlist(const char*, const char* arg, Dir_list* retval) | |
266 | { | |
267 | retval->push_back(Search_directory(arg, false)); | |
268 | } | |
269 | ||
c5818ff1 CC |
270 | void |
271 | parse_set(const char*, const char* arg, String_set* retval) | |
272 | { | |
273 | retval->insert(std::string(arg)); | |
274 | } | |
275 | ||
ee1fe73e ILT |
276 | void |
277 | parse_choices(const char* option_name, const char* arg, const char** retval, | |
bbc5ae17 | 278 | const char* choices[], int num_choices) |
ee1fe73e ILT |
279 | { |
280 | for (int i = 0; i < num_choices; i++) | |
281 | if (strcmp(choices[i], arg) == 0) | |
282 | { | |
bbc5ae17 RM |
283 | *retval = arg; |
284 | return; | |
ee1fe73e ILT |
285 | } |
286 | ||
287 | // If we get here, the user did not enter a valid choice, so we die. | |
288 | std::string choices_list; | |
289 | for (int i = 0; i < num_choices; i++) | |
bc644c6c | 290 | { |
ee1fe73e ILT |
291 | choices_list += choices[i]; |
292 | if (i != num_choices - 1) | |
bbc5ae17 | 293 | choices_list += ", "; |
bc644c6c | 294 | } |
ee1fe73e | 295 | gold_fatal(_("%s: must take one of the following arguments: %s"), |
bbc5ae17 | 296 | option_name, choices_list.c_str()); |
bc644c6c ILT |
297 | } |
298 | ||
ee1fe73e | 299 | } // End namespace options. |
a5dc0706 | 300 | |
ee1fe73e ILT |
301 | // Define the handler for "special" options (set via DEFINE_special). |
302 | ||
303 | void | |
304 | General_options::parse_help(const char*, const char*, Command_line*) | |
a5dc0706 | 305 | { |
ee1fe73e ILT |
306 | options::help(); |
307 | ::exit(EXIT_SUCCESS); | |
a5dc0706 ILT |
308 | } |
309 | ||
ee1fe73e ILT |
310 | void |
311 | General_options::parse_version(const char* opt, const char*, Command_line*) | |
312 | { | |
329ca2b1 ST |
313 | bool print_short = (opt[0] == '-' && opt[1] == 'v'); |
314 | gold::print_version(print_short); | |
3dcad376 | 315 | this->printed_version_ = true; |
329ca2b1 ST |
316 | if (!print_short) |
317 | ::exit(EXIT_SUCCESS); | |
ee1fe73e | 318 | } |
61ba1cf9 | 319 | |
b5be4a7c DM |
320 | void |
321 | General_options::parse_V(const char*, const char*, Command_line*) | |
322 | { | |
323 | gold::print_version(true); | |
459c9f1c | 324 | this->printed_version_ = true; |
03ef7571 | 325 | |
b5be4a7c DM |
326 | printf(_(" Supported targets:\n")); |
327 | std::vector<const char*> supported_names; | |
328 | gold::supported_target_names(&supported_names); | |
329 | for (std::vector<const char*>::const_iterator p = supported_names.begin(); | |
330 | p != supported_names.end(); | |
331 | ++p) | |
332 | printf(" %s\n", *p); | |
03ef7571 ILT |
333 | |
334 | printf(_(" Supported emulations:\n")); | |
335 | supported_names.clear(); | |
336 | gold::supported_emulation_names(&supported_names); | |
337 | for (std::vector<const char*>::const_iterator p = supported_names.begin(); | |
338 | p != supported_names.end(); | |
339 | ++p) | |
340 | printf(" %s\n", *p); | |
b5be4a7c DM |
341 | } |
342 | ||
ee1fe73e ILT |
343 | void |
344 | General_options::parse_defsym(const char*, const char* arg, | |
bbc5ae17 | 345 | Command_line* cmdline) |
ee1fe73e ILT |
346 | { |
347 | cmdline->script_options().define_symbol(arg); | |
348 | } | |
88dd47ac | 349 | |
cd3c333f CC |
350 | void |
351 | General_options::parse_discard_all(const char*, const char*, | |
352 | Command_line*) | |
353 | { | |
354 | this->discard_locals_ = DISCARD_ALL; | |
355 | } | |
356 | ||
357 | void | |
358 | General_options::parse_discard_locals(const char*, const char*, | |
359 | Command_line*) | |
360 | { | |
361 | this->discard_locals_ = DISCARD_LOCALS; | |
362 | } | |
363 | ||
364 | void | |
365 | General_options::parse_discard_none(const char*, const char*, | |
366 | Command_line*) | |
367 | { | |
368 | this->discard_locals_ = DISCARD_NONE; | |
369 | } | |
370 | ||
8c21d9d3 CC |
371 | void |
372 | General_options::parse_incremental(const char*, const char*, | |
bbc5ae17 | 373 | Command_line*) |
8c21d9d3 CC |
374 | { |
375 | this->incremental_mode_ = INCREMENTAL_AUTO; | |
376 | } | |
377 | ||
378 | void | |
379 | General_options::parse_no_incremental(const char*, const char*, | |
bbc5ae17 | 380 | Command_line*) |
8c21d9d3 CC |
381 | { |
382 | this->incremental_mode_ = INCREMENTAL_OFF; | |
383 | } | |
384 | ||
385 | void | |
386 | General_options::parse_incremental_full(const char*, const char*, | |
387 | Command_line*) | |
388 | { | |
389 | this->incremental_mode_ = INCREMENTAL_FULL; | |
390 | } | |
391 | ||
392 | void | |
393 | General_options::parse_incremental_update(const char*, const char*, | |
394 | Command_line*) | |
395 | { | |
396 | this->incremental_mode_ = INCREMENTAL_UPDATE; | |
397 | } | |
398 | ||
266d0a74 ILT |
399 | void |
400 | General_options::parse_incremental_changed(const char*, const char*, | |
bbc5ae17 | 401 | Command_line*) |
266d0a74 ILT |
402 | { |
403 | this->implicit_incremental_ = true; | |
404 | this->incremental_disposition_ = INCREMENTAL_CHANGED; | |
405 | } | |
406 | ||
407 | void | |
408 | General_options::parse_incremental_unchanged(const char*, const char*, | |
bbc5ae17 | 409 | Command_line*) |
266d0a74 ILT |
410 | { |
411 | this->implicit_incremental_ = true; | |
412 | this->incremental_disposition_ = INCREMENTAL_UNCHANGED; | |
413 | } | |
414 | ||
415 | void | |
416 | General_options::parse_incremental_unknown(const char*, const char*, | |
bbc5ae17 | 417 | Command_line*) |
266d0a74 ILT |
418 | { |
419 | this->implicit_incremental_ = true; | |
420 | this->incremental_disposition_ = INCREMENTAL_CHECK; | |
421 | } | |
422 | ||
221597a5 CC |
423 | void |
424 | General_options::parse_incremental_startup_unchanged(const char*, const char*, | |
425 | Command_line*) | |
426 | { | |
427 | this->implicit_incremental_ = true; | |
428 | this->incremental_startup_disposition_ = INCREMENTAL_UNCHANGED; | |
429 | } | |
430 | ||
ee1fe73e ILT |
431 | void |
432 | General_options::parse_library(const char*, const char* arg, | |
bbc5ae17 | 433 | Command_line* cmdline) |
ee1fe73e | 434 | { |
ae3b5189 | 435 | Input_file_argument::Input_file_type type; |
ca09d69a | 436 | const char* name; |
ae3b5189 CD |
437 | if (arg[0] == ':') |
438 | { | |
439 | type = Input_file_argument::INPUT_FILE_TYPE_SEARCHED_FILE; | |
440 | name = arg + 1; | |
441 | } | |
442 | else | |
443 | { | |
444 | type = Input_file_argument::INPUT_FILE_TYPE_LIBRARY; | |
445 | name = arg; | |
446 | } | |
447 | Input_file_argument file(name, type, "", false, *this); | |
ee1fe73e ILT |
448 | cmdline->inputs().add_file(file); |
449 | } | |
450 | ||
89fc3421 CC |
451 | #ifdef ENABLE_PLUGINS |
452 | void | |
453 | General_options::parse_plugin(const char*, const char* arg, | |
bbc5ae17 | 454 | Command_line*) |
89fc3421 CC |
455 | { |
456 | this->add_plugin(arg); | |
457 | } | |
4674ecfc CC |
458 | |
459 | // Parse --plugin-opt. | |
460 | ||
461 | void | |
462 | General_options::parse_plugin_opt(const char*, const char* arg, | |
bbc5ae17 | 463 | Command_line*) |
4674ecfc CC |
464 | { |
465 | this->add_plugin_option(arg); | |
466 | } | |
89fc3421 CC |
467 | #endif // ENABLE_PLUGINS |
468 | ||
ee1fe73e ILT |
469 | void |
470 | General_options::parse_R(const char* option, const char* arg, | |
bbc5ae17 | 471 | Command_line* cmdline) |
88dd47ac | 472 | { |
88dd47ac | 473 | struct stat s; |
ee1fe73e ILT |
474 | if (::stat(arg, &s) != 0 || S_ISDIR(s.st_mode)) |
475 | this->add_to_rpath(arg); | |
88dd47ac | 476 | else |
ee1fe73e | 477 | this->parse_just_symbols(option, arg, cmdline); |
88dd47ac ILT |
478 | } |
479 | ||
ee1fe73e ILT |
480 | void |
481 | General_options::parse_just_symbols(const char*, const char* arg, | |
bbc5ae17 | 482 | Command_line* cmdline) |
88dd47ac | 483 | { |
ae3b5189 CD |
484 | Input_file_argument file(arg, Input_file_argument::INPUT_FILE_TYPE_FILE, |
485 | "", true, *this); | |
ee1fe73e | 486 | cmdline->inputs().add_file(file); |
88dd47ac ILT |
487 | } |
488 | ||
a192ba05 ILT |
489 | // Handle --section-start. |
490 | ||
491 | void | |
492 | General_options::parse_section_start(const char*, const char* arg, | |
493 | Command_line*) | |
494 | { | |
495 | const char* eq = strchr(arg, '='); | |
496 | if (eq == NULL) | |
497 | { | |
498 | gold_error(_("invalid argument to --section-start; " | |
499 | "must be SECTION=ADDRESS")); | |
500 | return; | |
501 | } | |
502 | ||
503 | std::string section_name(arg, eq - arg); | |
504 | ||
505 | ++eq; | |
506 | const char* val_start = eq; | |
507 | if (eq[0] == '0' && (eq[1] == 'x' || eq[1] == 'X')) | |
508 | eq += 2; | |
509 | if (*eq == '\0') | |
510 | { | |
511 | gold_error(_("--section-start address missing")); | |
512 | return; | |
513 | } | |
514 | uint64_t addr = 0; | |
515 | hex_init(); | |
516 | for (; *eq != '\0'; ++eq) | |
517 | { | |
518 | if (!hex_p(*eq)) | |
519 | { | |
520 | gold_error(_("--section-start argument %s is not a valid hex number"), | |
521 | val_start); | |
522 | return; | |
523 | } | |
524 | addr <<= 4; | |
525 | addr += hex_value(*eq); | |
526 | } | |
527 | ||
528 | this->section_starts_[section_name] = addr; | |
529 | } | |
530 | ||
531 | // Look up a --section-start value. | |
532 | ||
533 | bool | |
534 | General_options::section_start(const char* secname, uint64_t* paddr) const | |
535 | { | |
536 | if (this->section_starts_.empty()) | |
537 | return false; | |
538 | std::map<std::string, uint64_t>::const_iterator p = | |
539 | this->section_starts_.find(secname); | |
540 | if (p == this->section_starts_.end()) | |
541 | return false; | |
542 | *paddr = p->second; | |
543 | return true; | |
544 | } | |
545 | ||
ee1fe73e ILT |
546 | void |
547 | General_options::parse_static(const char*, const char*, Command_line*) | |
3c2fafa5 | 548 | { |
ee1fe73e | 549 | this->set_static(true); |
09124467 ILT |
550 | } |
551 | ||
ee1fe73e ILT |
552 | void |
553 | General_options::parse_script(const char*, const char* arg, | |
bbc5ae17 | 554 | Command_line* cmdline) |
09124467 | 555 | { |
ee1fe73e ILT |
556 | if (!read_commandline_script(arg, cmdline)) |
557 | gold::gold_fatal(_("unable to parse script file %s"), arg); | |
61ba1cf9 ILT |
558 | } |
559 | ||
ee1fe73e ILT |
560 | void |
561 | General_options::parse_version_script(const char*, const char* arg, | |
bbc5ae17 | 562 | Command_line* cmdline) |
ead1e424 | 563 | { |
ee1fe73e ILT |
564 | if (!read_version_script(arg, cmdline)) |
565 | gold::gold_fatal(_("unable to parse version script file %s"), arg); | |
ead1e424 ILT |
566 | } |
567 | ||
c82fbeee CS |
568 | void |
569 | General_options::parse_dynamic_list(const char*, const char* arg, | |
bbc5ae17 | 570 | Command_line* cmdline) |
c82fbeee CS |
571 | { |
572 | if (!read_dynamic_list(arg, cmdline, &this->dynamic_list_)) | |
573 | gold::gold_fatal(_("unable to parse dynamic-list script file %s"), arg); | |
fd834e57 | 574 | this->have_dynamic_list_ = true; |
c82fbeee CS |
575 | } |
576 | ||
ee1fe73e ILT |
577 | void |
578 | General_options::parse_start_group(const char*, const char*, | |
bbc5ae17 | 579 | Command_line* cmdline) |
ee1fe73e ILT |
580 | { |
581 | cmdline->inputs().start_group(); | |
582 | } | |
ead1e424 | 583 | |
ee1fe73e ILT |
584 | void |
585 | General_options::parse_end_group(const char*, const char*, | |
bbc5ae17 | 586 | Command_line* cmdline) |
ead1e424 | 587 | { |
ee1fe73e | 588 | cmdline->inputs().end_group(); |
ead1e424 ILT |
589 | } |
590 | ||
b0193076 RÁE |
591 | void |
592 | General_options::parse_start_lib(const char*, const char*, | |
bbc5ae17 | 593 | Command_line* cmdline) |
b0193076 RÁE |
594 | { |
595 | cmdline->inputs().start_lib(cmdline->position_dependent_options()); | |
596 | } | |
597 | ||
598 | void | |
599 | General_options::parse_end_lib(const char*, const char*, | |
bbc5ae17 | 600 | Command_line* cmdline) |
b0193076 RÁE |
601 | { |
602 | cmdline->inputs().end_lib(); | |
603 | } | |
604 | ||
65514900 | 605 | // The function add_excluded_libs() in ld/ldlang.c of GNU ld breaks up a list |
9b547ce6 | 606 | // of names separated by commas or colons and puts them in a linked list. |
65514900 CC |
607 | // We implement the same parsing of names here but store names in an unordered |
608 | // map to speed up searching of names. | |
609 | ||
610 | void | |
611 | General_options::parse_exclude_libs(const char*, const char* arg, | |
bbc5ae17 | 612 | Command_line*) |
65514900 | 613 | { |
ca09d69a | 614 | const char* p = arg; |
65514900 CC |
615 | |
616 | while (*p != '\0') | |
617 | { | |
618 | size_t length = strcspn(p, ",:"); | |
619 | this->excluded_libs_.insert(std::string(p, length)); | |
620 | p += (p[length] ? length + 1 : length); | |
621 | } | |
622 | } | |
623 | ||
624 | // The checking logic is based on the function check_excluded_libs() in | |
625 | // ld/ldlang.c of GNU ld but our implementation is different because we use | |
626 | // an unordered map instead of a linked list, which is what GNU ld uses. GNU | |
627 | // ld searches sequentially in the excluded libs list. For a given archive, | |
628 | // a match is found if the archive's name matches exactly one of the list | |
629 | // entry or if the archive's name is of the form FOO.a and FOO matches exactly | |
630 | // one of the list entry. An entry "ALL" in the list is considered as a | |
631 | // wild-card and matches any given name. | |
632 | ||
633 | bool | |
ca09d69a | 634 | General_options::check_excluded_libs(const std::string &name) const |
65514900 CC |
635 | { |
636 | Unordered_set<std::string>::const_iterator p; | |
637 | ||
638 | // Exit early for the most common case. | |
639 | if (excluded_libs_.empty()) | |
640 | return false; | |
641 | ||
642 | // If we see "ALL", all archives are excluded from automatic export. | |
643 | p = excluded_libs_.find(std::string("ALL")); | |
644 | if (p != excluded_libs_.end()) | |
645 | return true; | |
646 | ||
2fdd743f | 647 | // First strip off any directories in name. |
ca09d69a | 648 | const char* basename = lbasename(name.c_str()); |
2fdd743f | 649 | |
65514900 | 650 | // Try finding an exact match. |
2fdd743f | 651 | p = excluded_libs_.find(std::string(basename)); |
65514900 CC |
652 | if (p != excluded_libs_.end()) |
653 | return true; | |
654 | ||
655 | // Try matching NAME without ".a" at the end. | |
2fdd743f | 656 | size_t length = strlen(basename); |
65514900 | 657 | if ((length >= 2) |
2fdd743f DK |
658 | && (basename[length - 2] == '.') |
659 | && (basename[length - 1] == 'a')) | |
65514900 | 660 | { |
2fdd743f | 661 | p = excluded_libs_.find(std::string(basename, length - 2)); |
65514900 CC |
662 | if (p != excluded_libs_.end()) |
663 | return true; | |
664 | } | |
665 | ||
666 | return false; | |
667 | } | |
668 | ||
e6a307ba ILT |
669 | // Recognize input and output target names. The GNU linker accepts |
670 | // these with --format and --oformat. This code is intended to be | |
671 | // minimally compatible. In practice for an ELF target this would be | |
672 | // the same target as the input files; that name always start with | |
673 | // "elf". Non-ELF targets would be "srec", "symbolsrec", "tekhex", | |
674 | // "binary", "ihex". | |
675 | ||
676 | General_options::Object_format | |
677 | General_options::string_to_object_format(const char* arg) | |
678 | { | |
956b03bb | 679 | if (strncmp(arg, "elf", 3) == 0 || strcmp(arg, "default") == 0) |
e6a307ba ILT |
680 | return gold::General_options::OBJECT_FORMAT_ELF; |
681 | else if (strcmp(arg, "binary") == 0) | |
682 | return gold::General_options::OBJECT_FORMAT_BINARY; | |
683 | else | |
684 | { | |
685 | gold::gold_error(_("format '%s' not supported; treating as elf " | |
bbc5ae17 RM |
686 | "(supported formats: elf, binary)"), |
687 | arg); | |
e6a307ba ILT |
688 | return gold::General_options::OBJECT_FORMAT_ELF; |
689 | } | |
690 | } | |
691 | ||
376c3ecd CC |
692 | const char* |
693 | General_options::object_format_to_string(General_options::Object_format fmt) | |
694 | { | |
695 | switch (fmt) | |
696 | { | |
697 | case General_options::OBJECT_FORMAT_ELF: | |
698 | return "elf"; | |
699 | case General_options::OBJECT_FORMAT_BINARY: | |
700 | return "binary"; | |
701 | default: | |
702 | gold_unreachable(); | |
703 | } | |
704 | } | |
705 | ||
9b2fd367 DK |
706 | void |
707 | General_options::parse_fix_v4bx(const char*, const char*, | |
bbc5ae17 | 708 | Command_line*) |
9b2fd367 DK |
709 | { |
710 | this->fix_v4bx_ = FIX_V4BX_REPLACE; | |
711 | } | |
712 | ||
713 | void | |
714 | General_options::parse_fix_v4bx_interworking(const char*, const char*, | |
715 | Command_line*) | |
716 | { | |
717 | this->fix_v4bx_ = FIX_V4BX_INTERWORKING; | |
718 | } | |
719 | ||
7296d933 DK |
720 | void |
721 | General_options::parse_EB(const char*, const char*, Command_line*) | |
722 | { | |
723 | this->endianness_ = ENDIANNESS_BIG; | |
724 | } | |
725 | ||
726 | void | |
727 | General_options::parse_EL(const char*, const char*, Command_line*) | |
728 | { | |
729 | this->endianness_ = ENDIANNESS_LITTLE; | |
730 | } | |
731 | ||
376c3ecd CC |
732 | void |
733 | General_options::copy_from_posdep_options( | |
734 | const Position_dependent_options& posdep) | |
735 | { | |
736 | this->set_as_needed(posdep.as_needed()); | |
737 | this->set_Bdynamic(posdep.Bdynamic()); | |
738 | this->set_format( | |
739 | General_options::object_format_to_string(posdep.format_enum())); | |
740 | this->set_whole_archive(posdep.whole_archive()); | |
741 | this->set_incremental_disposition(posdep.incremental_disposition()); | |
742 | } | |
743 | ||
744 | void | |
745 | General_options::parse_push_state(const char*, const char*, Command_line*) | |
746 | { | |
747 | Position_dependent_options* posdep = new Position_dependent_options(*this); | |
748 | this->options_stack_.push_back(posdep); | |
749 | } | |
750 | ||
751 | void | |
752 | General_options::parse_pop_state(const char*, const char*, Command_line*) | |
753 | { | |
754 | if (this->options_stack_.empty()) | |
755 | { | |
756 | gold::gold_error(_("unbalanced --push-state/--pop-state")); | |
757 | return; | |
758 | } | |
759 | Position_dependent_options* posdep = this->options_stack_.back(); | |
760 | this->options_stack_.pop_back(); | |
761 | this->copy_from_posdep_options(*posdep); | |
762 | delete posdep; | |
763 | } | |
764 | ||
ee1fe73e | 765 | } // End namespace gold. |
bae7f79e | 766 | |
ee1fe73e | 767 | namespace |
bae7f79e | 768 | { |
bae7f79e | 769 | |
ee1fe73e ILT |
770 | void |
771 | usage() | |
772 | { | |
773 | fprintf(stderr, | |
bbc5ae17 RM |
774 | _("%s: use the --help option for usage information\n"), |
775 | gold::program_name); | |
ee1fe73e ILT |
776 | ::exit(EXIT_FAILURE); |
777 | } | |
bae7f79e | 778 | |
ee1fe73e | 779 | void |
ca09d69a | 780 | usage(const char* msg, const char* opt) |
ee1fe73e ILT |
781 | { |
782 | fprintf(stderr, | |
bbc5ae17 RM |
783 | _("%s: %s: %s\n"), |
784 | gold::program_name, opt, msg); | |
ee1fe73e | 785 | usage(); |
bae7f79e ILT |
786 | } |
787 | ||
ad2d6943 ILT |
788 | // If the default sysroot is relocatable, try relocating it based on |
789 | // the prefix FROM. | |
790 | ||
fd9d194f | 791 | static char* |
ad2d6943 ILT |
792 | get_relative_sysroot(const char* from) |
793 | { | |
794 | char* path = make_relative_prefix(gold::program_name, from, | |
bbc5ae17 | 795 | TARGET_SYSTEM_ROOT); |
ad2d6943 ILT |
796 | if (path != NULL) |
797 | { | |
798 | struct stat s; | |
799 | if (::stat(path, &s) == 0 && S_ISDIR(s.st_mode)) | |
bbc5ae17 | 800 | return path; |
ad2d6943 ILT |
801 | free(path); |
802 | } | |
803 | ||
804 | return NULL; | |
805 | } | |
806 | ||
807 | // Return the default sysroot. This is set by the --with-sysroot | |
ee1fe73e ILT |
808 | // option to configure. Note we do not free the return value of |
809 | // get_relative_sysroot, which is a small memory leak, but is | |
810 | // necessary since we store this pointer directly in General_options. | |
ad2d6943 | 811 | |
fd9d194f | 812 | static const char* |
ad2d6943 ILT |
813 | get_default_sysroot() |
814 | { | |
815 | const char* sysroot = TARGET_SYSTEM_ROOT; | |
816 | if (*sysroot == '\0') | |
ee1fe73e | 817 | return NULL; |
ad2d6943 ILT |
818 | |
819 | if (TARGET_SYSTEM_ROOT_RELOCATABLE) | |
820 | { | |
ee1fe73e | 821 | char* path = get_relative_sysroot(BINDIR); |
ad2d6943 | 822 | if (path == NULL) |
bbc5ae17 | 823 | path = get_relative_sysroot(TOOLBINDIR); |
ad2d6943 | 824 | if (path != NULL) |
bbc5ae17 | 825 | return path; |
ad2d6943 ILT |
826 | } |
827 | ||
828 | return sysroot; | |
829 | } | |
830 | ||
ee1fe73e ILT |
831 | // Parse a long option. Such options have the form |
832 | // <-|--><option>[=arg]. If "=arg" is not present but the option | |
833 | // takes an argument, the next word is taken to the be the argument. | |
834 | // If equals_only is set, then only the <option>=<arg> form is | |
835 | // accepted, not the <option><space><arg> form. Returns a One_option | |
836 | // struct or NULL if argv[i] cannot be parsed as a long option. In | |
837 | // the not-NULL case, *arg is set to the option's argument (NULL if | |
838 | // the option takes no argument), and *i is advanced past this option. | |
839 | // NOTE: it is safe for argv and arg to point to the same place. | |
840 | gold::options::One_option* | |
841 | parse_long_option(int argc, const char** argv, bool equals_only, | |
bbc5ae17 | 842 | const char** arg, int* i) |
61ba1cf9 | 843 | { |
ee1fe73e | 844 | const char* const this_argv = argv[*i]; |
bae7f79e | 845 | |
ee1fe73e ILT |
846 | const char* equals = strchr(this_argv, '='); |
847 | const char* option_start = this_argv + strspn(this_argv, "-"); | |
848 | std::string option(option_start, | |
bbc5ae17 | 849 | equals ? equals - option_start : strlen(option_start)); |
35cdfc9a | 850 | |
ee1fe73e ILT |
851 | gold::options::Option_map::iterator it |
852 | = gold::options::long_options->find(option); | |
853 | if (it == gold::options::long_options->end()) | |
854 | return NULL; | |
35cdfc9a | 855 | |
ee1fe73e | 856 | gold::options::One_option* retval = it->second; |
c7912668 | 857 | |
ee1fe73e ILT |
858 | // If the dash-count doesn't match, we fail. |
859 | if (this_argv[0] != '-') // no dashes at all: had better be "-z <longopt>" | |
860 | { | |
861 | if (retval->dashes != gold::options::DASH_Z) | |
bbc5ae17 | 862 | return NULL; |
ee1fe73e ILT |
863 | } |
864 | else if (this_argv[1] != '-') // one dash | |
865 | { | |
866 | if (retval->dashes != gold::options::ONE_DASH | |
bbc5ae17 RM |
867 | && retval->dashes != gold::options::EXACTLY_ONE_DASH |
868 | && retval->dashes != gold::options::TWO_DASHES) | |
869 | return NULL; | |
ee1fe73e ILT |
870 | } |
871 | else // two dashes (or more!) | |
872 | { | |
873 | if (retval->dashes != gold::options::TWO_DASHES | |
bbc5ae17 RM |
874 | && retval->dashes != gold::options::EXACTLY_TWO_DASHES |
875 | && retval->dashes != gold::options::ONE_DASH) | |
876 | return NULL; | |
ee1fe73e | 877 | } |
bae7f79e | 878 | |
ee1fe73e ILT |
879 | // Now that we know the option is good (or else bad in a way that |
880 | // will cause us to die), increment i to point past this argv. | |
881 | ++(*i); | |
bae7f79e | 882 | |
ee1fe73e ILT |
883 | // Figure out the option's argument, if any. |
884 | if (!retval->takes_argument()) | |
885 | { | |
886 | if (equals) | |
bbc5ae17 | 887 | usage(_("unexpected argument"), this_argv); |
ee1fe73e | 888 | else |
bbc5ae17 | 889 | *arg = NULL; |
ee1fe73e ILT |
890 | } |
891 | else | |
892 | { | |
893 | if (equals) | |
bbc5ae17 | 894 | *arg = equals + 1; |
086a1841 ILT |
895 | else if (retval->takes_optional_argument()) |
896 | *arg = retval->default_value; | |
ee1fe73e | 897 | else if (*i < argc && !equals_only) |
bbc5ae17 | 898 | *arg = argv[(*i)++]; |
ee1fe73e | 899 | else |
bbc5ae17 | 900 | usage(_("missing argument"), this_argv); |
ee1fe73e | 901 | } |
516cb3d0 | 902 | |
ee1fe73e ILT |
903 | return retval; |
904 | } | |
905 | ||
906 | // Parse a short option. Such options have the form -<option>[arg]. | |
907 | // If "arg" is not present but the option takes an argument, the next | |
908 | // word is taken to the be the argument. If the option does not take | |
909 | // an argument, it may be followed by another short option. Returns a | |
910 | // One_option struct or NULL if argv[i] cannot be parsed as a short | |
911 | // option. In the not-NULL case, *arg is set to the option's argument | |
912 | // (NULL if the option takes no argument), and *i is advanced past | |
913 | // this option. This function keeps *i the same if we parsed a short | |
914 | // option that does not take an argument, that looks to be followed by | |
915 | // another short option in the same word. | |
916 | gold::options::One_option* | |
917 | parse_short_option(int argc, const char** argv, int pos_in_argv_i, | |
bbc5ae17 | 918 | const char** arg, int* i) |
ee1fe73e ILT |
919 | { |
920 | const char* const this_argv = argv[*i]; | |
921 | ||
922 | if (this_argv[0] != '-') | |
923 | return NULL; | |
924 | ||
925 | // We handle -z as a special case. | |
926 | static gold::options::One_option dash_z("", gold::options::DASH_Z, | |
bbc5ae17 | 927 | 'z', "", NULL, "Z-OPTION", false, |
358a9718 | 928 | NULL, false); |
ee1fe73e ILT |
929 | gold::options::One_option* retval = NULL; |
930 | if (this_argv[pos_in_argv_i] == 'z') | |
931 | retval = &dash_z; | |
932 | else | |
933 | { | |
934 | const int char_as_int = static_cast<int>(this_argv[pos_in_argv_i]); | |
935 | if (char_as_int > 0 && char_as_int < 128) | |
bbc5ae17 | 936 | retval = gold::options::short_options[char_as_int]; |
ee1fe73e | 937 | } |
516cb3d0 | 938 | |
ee1fe73e ILT |
939 | if (retval == NULL) |
940 | return NULL; | |
35cdfc9a | 941 | |
ee1fe73e ILT |
942 | // Figure out the option's argument, if any. |
943 | if (!retval->takes_argument()) | |
cd72c291 | 944 | { |
ee1fe73e ILT |
945 | *arg = NULL; |
946 | // We only advance past this argument if it's the only one in argv. | |
947 | if (this_argv[pos_in_argv_i + 1] == '\0') | |
bbc5ae17 | 948 | ++(*i); |
cd72c291 ILT |
949 | } |
950 | else | |
ee1fe73e ILT |
951 | { |
952 | // If we take an argument, we'll eat up this entire argv entry. | |
953 | ++(*i); | |
954 | if (this_argv[pos_in_argv_i + 1] != '\0') | |
bbc5ae17 | 955 | *arg = this_argv + pos_in_argv_i + 1; |
086a1841 ILT |
956 | else if (retval->takes_optional_argument()) |
957 | *arg = retval->default_value; | |
ee1fe73e | 958 | else if (*i < argc) |
bbc5ae17 | 959 | *arg = argv[(*i)++]; |
ee1fe73e | 960 | else |
bbc5ae17 | 961 | usage(_("missing argument"), this_argv); |
ee1fe73e | 962 | } |
cd72c291 | 963 | |
ee1fe73e ILT |
964 | // If we're a -z option, we need to parse our argument as a |
965 | // long-option, e.g. "-z stacksize=8192". | |
966 | if (retval == &dash_z) | |
35cdfc9a | 967 | { |
ee1fe73e ILT |
968 | int dummy_i = 0; |
969 | const char* dash_z_arg = *arg; | |
970 | retval = parse_long_option(1, arg, true, arg, &dummy_i); | |
971 | if (retval == NULL) | |
bbc5ae17 | 972 | usage(_("unknown -z option"), dash_z_arg); |
35cdfc9a ILT |
973 | } |
974 | ||
ee1fe73e | 975 | return retval; |
c7912668 ILT |
976 | } |
977 | ||
ee1fe73e | 978 | } // End anonymous namespace. |
c7912668 | 979 | |
ee1fe73e | 980 | namespace gold |
c7912668 | 981 | { |
c7912668 | 982 | |
ee1fe73e | 983 | General_options::General_options() |
459c9f1c | 984 | : printed_version_(false), |
a192ba05 ILT |
985 | execstack_status_(EXECSTACK_FROM_INPUT), |
986 | icf_status_(ICF_NONE), | |
987 | static_(false), | |
988 | do_demangle_(false), | |
989 | plugins_(NULL), | |
990 | dynamic_list_(), | |
fd834e57 | 991 | have_dynamic_list_(false), |
8c21d9d3 | 992 | incremental_mode_(INCREMENTAL_OFF), |
221597a5 CC |
993 | incremental_disposition_(INCREMENTAL_STARTUP), |
994 | incremental_startup_disposition_(INCREMENTAL_CHECK), | |
a192ba05 ILT |
995 | implicit_incremental_(false), |
996 | excluded_libs_(), | |
997 | symbols_to_retain_(), | |
2fd9ae7a | 998 | section_starts_(), |
7296d933 | 999 | fix_v4bx_(FIX_V4BX_NONE), |
cd3c333f | 1000 | endianness_(ENDIANNESS_NOT_SET), |
591be3e4 CC |
1001 | discard_locals_(DISCARD_SEC_MERGE), |
1002 | orphan_handling_enum_(ORPHAN_PLACE) | |
ee1fe73e | 1003 | { |
293c1386 CC |
1004 | // Turn off option registration once construction is complete. |
1005 | gold::options::ready_to_register = false; | |
ee1fe73e ILT |
1006 | } |
1007 | ||
1008 | General_options::Object_format | |
1009 | General_options::format_enum() const | |
1010 | { | |
e6a307ba | 1011 | return General_options::string_to_object_format(this->format()); |
ee1fe73e ILT |
1012 | } |
1013 | ||
1014 | General_options::Object_format | |
1015 | General_options::oformat_enum() const | |
1016 | { | |
e6a307ba | 1017 | return General_options::string_to_object_format(this->oformat()); |
35cdfc9a ILT |
1018 | } |
1019 | ||
ad2d6943 ILT |
1020 | // Add the sysroot, if any, to the search paths. |
1021 | ||
1022 | void | |
1023 | General_options::add_sysroot() | |
1024 | { | |
ee1fe73e | 1025 | if (this->sysroot() == NULL || this->sysroot()[0] == '\0') |
ad2d6943 | 1026 | { |
ee1fe73e ILT |
1027 | this->set_sysroot(get_default_sysroot()); |
1028 | if (this->sysroot() == NULL || this->sysroot()[0] == '\0') | |
bbc5ae17 | 1029 | return; |
ad2d6943 ILT |
1030 | } |
1031 | ||
ee1fe73e | 1032 | char* canonical_sysroot = lrealpath(this->sysroot()); |
ad2d6943 | 1033 | |
ee1fe73e ILT |
1034 | for (Dir_list::iterator p = this->library_path_.value.begin(); |
1035 | p != this->library_path_.value.end(); | |
ad2d6943 | 1036 | ++p) |
ee1fe73e | 1037 | p->add_sysroot(this->sysroot(), canonical_sysroot); |
ad2d6943 ILT |
1038 | |
1039 | free(canonical_sysroot); | |
1040 | } | |
1041 | ||
fd9d194f ILT |
1042 | // Return whether FILENAME is in a system directory. |
1043 | ||
1044 | bool | |
1045 | General_options::is_in_system_directory(const std::string& filename) const | |
1046 | { | |
1047 | for (Dir_list::const_iterator p = this->library_path_.value.begin(); | |
1048 | p != this->library_path_.value.end(); | |
1049 | ++p) | |
1050 | { | |
1051 | // We use a straight string comparison rather than calling | |
1052 | // FILENAME_CMP because we are only interested in the cases | |
1053 | // where we found the file in a system directory, which means | |
1054 | // that we used the directory name as a prefix for a -L search. | |
1055 | if (p->is_system_directory() | |
1056 | && filename.compare(0, p->name().size(), p->name()) == 0) | |
1057 | return true; | |
1058 | } | |
1059 | return false; | |
1060 | } | |
1061 | ||
4674ecfc | 1062 | // Add a plugin to the list of plugins. |
89fc3421 CC |
1063 | |
1064 | void | |
4674ecfc | 1065 | General_options::add_plugin(const char* filename) |
89fc3421 CC |
1066 | { |
1067 | if (this->plugins_ == NULL) | |
1068 | this->plugins_ = new Plugin_manager(*this); | |
4674ecfc CC |
1069 | this->plugins_->add_plugin(filename); |
1070 | } | |
1071 | ||
1072 | // Add a plugin option to a plugin. | |
1073 | ||
1074 | void | |
1075 | General_options::add_plugin_option(const char* arg) | |
1076 | { | |
1077 | if (this->plugins_ == NULL) | |
1078 | gold_fatal("--plugin-opt requires --plugin."); | |
1079 | this->plugins_->add_plugin_option(arg); | |
89fc3421 CC |
1080 | } |
1081 | ||
ee1fe73e ILT |
1082 | // Set up variables and other state that isn't set up automatically by |
1083 | // the parse routine, and ensure options don't contradict each other | |
1084 | // and are otherwise kosher. | |
e5756efb | 1085 | |
ee1fe73e ILT |
1086 | void |
1087 | General_options::finalize() | |
bc644c6c | 1088 | { |
ee1fe73e | 1089 | // Normalize the strip modifiers. They have a total order: |
62b01cb5 ILT |
1090 | // strip_all > strip_debug > strip_non_line > strip_debug_gdb. |
1091 | // If one is true, set all beneath it to true as well. | |
ee1fe73e ILT |
1092 | if (this->strip_all()) |
1093 | this->set_strip_debug(true); | |
1094 | if (this->strip_debug()) | |
62b01cb5 ILT |
1095 | this->set_strip_debug_non_line(true); |
1096 | if (this->strip_debug_non_line()) | |
ee1fe73e | 1097 | this->set_strip_debug_gdb(true); |
bc644c6c | 1098 | |
3b293544 CF |
1099 | if (this->Bshareable()) |
1100 | this->set_shared(true); | |
1101 | ||
ee1fe73e ILT |
1102 | // If the user specifies both -s and -r, convert the -s to -S. |
1103 | // -r requires us to keep externally visible symbols! | |
1104 | if (this->strip_all() && this->relocatable()) | |
1105 | { | |
1106 | this->set_strip_all(false); | |
1107 | gold_assert(this->strip_debug()); | |
1108 | } | |
bc644c6c | 1109 | |
ee1fe73e ILT |
1110 | // For us, -dc and -dp are synonyms for --define-common. |
1111 | if (this->dc()) | |
1112 | this->set_define_common(true); | |
1113 | if (this->dp()) | |
1114 | this->set_define_common(true); | |
1115 | ||
1116 | // We also set --define-common if we're not relocatable, as long as | |
1117 | // the user didn't explicitly ask for something different. | |
1118 | if (!this->user_set_define_common()) | |
1119 | this->set_define_common(!this->relocatable()); | |
1120 | ||
1121 | // execstack_status_ is a three-state variable; update it based on | |
1122 | // -z [no]execstack. | |
1123 | if (this->execstack()) | |
1124 | this->set_execstack_status(EXECSTACK_YES); | |
1125 | else if (this->noexecstack()) | |
1126 | this->set_execstack_status(EXECSTACK_NO); | |
1127 | ||
032ce4e9 ST |
1128 | // icf_status_ is a three-state variable; update it based on the |
1129 | // value of this->icf(). | |
1130 | if (strcmp(this->icf(), "none") == 0) | |
1131 | this->set_icf_status(ICF_NONE); | |
1132 | else if (strcmp(this->icf(), "safe") == 0) | |
1133 | this->set_icf_status(ICF_SAFE); | |
1134 | else | |
1135 | this->set_icf_status(ICF_ALL); | |
1136 | ||
086a1841 ILT |
1137 | // Handle the optional argument for --demangle. |
1138 | if (this->user_set_demangle()) | |
1139 | { | |
1140 | this->set_do_demangle(true); | |
1141 | const char* style = this->demangle(); | |
1142 | if (*style != '\0') | |
1143 | { | |
1144 | enum demangling_styles style_code; | |
1145 | ||
1146 | style_code = cplus_demangle_name_to_style(style); | |
1147 | if (style_code == unknown_demangling) | |
1148 | gold_fatal("unknown demangling style '%s'", style); | |
1149 | cplus_demangle_set_style(style_code); | |
1150 | } | |
1151 | } | |
1152 | else if (this->user_set_no_demangle()) | |
1153 | this->set_do_demangle(false); | |
1154 | else | |
1155 | { | |
1156 | // Testing COLLECT_NO_DEMANGLE makes our default demangling | |
1157 | // behaviour identical to that of gcc's linker wrapper. | |
1158 | this->set_do_demangle(getenv("COLLECT_NO_DEMANGLE") == NULL); | |
1159 | } | |
1160 | ||
591be3e4 CC |
1161 | // Parse the --orphan-handling argument. |
1162 | if (this->user_set_orphan_handling()) | |
1163 | { | |
1164 | if (strcmp(this->orphan_handling(), "place") == 0) | |
1165 | this->set_orphan_handling_enum(ORPHAN_PLACE); | |
1166 | else if (strcmp(this->orphan_handling(), "discard") == 0) | |
1167 | this->set_orphan_handling_enum(ORPHAN_DISCARD); | |
1168 | else if (strcmp(this->orphan_handling(), "warn") == 0) | |
1169 | this->set_orphan_handling_enum(ORPHAN_WARN); | |
1170 | else if (strcmp(this->orphan_handling(), "error") == 0) | |
1171 | this->set_orphan_handling_enum(ORPHAN_ERROR); | |
1172 | } | |
1173 | ||
7d9e3d98 ILT |
1174 | // -M is equivalent to "-Map -". |
1175 | if (this->print_map() && !this->user_set_Map()) | |
1176 | { | |
1177 | this->set_Map("-"); | |
1178 | this->set_user_set_Map(); | |
1179 | } | |
1180 | ||
af6156ef ILT |
1181 | // Using -n or -N implies -static. |
1182 | if (this->nmagic() || this->omagic()) | |
1183 | this->set_static(true); | |
1184 | ||
ee1fe73e ILT |
1185 | // If --thread_count is specified, it applies to |
1186 | // --thread-count-{initial,middle,final}, though it doesn't override | |
1187 | // them. | |
1188 | if (this->thread_count() > 0 && this->thread_count_initial() == 0) | |
1189 | this->set_thread_count_initial(this->thread_count()); | |
1190 | if (this->thread_count() > 0 && this->thread_count_middle() == 0) | |
1191 | this->set_thread_count_middle(this->thread_count()); | |
1192 | if (this->thread_count() > 0 && this->thread_count_final() == 0) | |
1193 | this->set_thread_count_final(this->thread_count()); | |
1194 | ||
09ffbbe0 ILT |
1195 | // Let's warn if you set the thread-count but we're going to ignore it. |
1196 | #ifndef ENABLE_THREADS | |
1197 | if (this->threads()) | |
1198 | { | |
1199 | gold_warning(_("ignoring --threads: " | |
1200 | "%s was compiled without thread support"), | |
1201 | program_name); | |
1202 | this->set_threads(false); | |
1203 | } | |
1204 | if (this->thread_count() > 0 || this->thread_count_initial() > 0 | |
1205 | || this->thread_count_middle() > 0 || this->thread_count_final() > 0) | |
1206 | gold_warning(_("ignoring --thread-count: " | |
bbc5ae17 RM |
1207 | "%s was compiled without thread support"), |
1208 | program_name); | |
09ffbbe0 ILT |
1209 | #endif |
1210 | ||
3f3cddf1 | 1211 | std::string libpath; |
706e1f5e ILT |
1212 | if (this->user_set_Y()) |
1213 | { | |
3f3cddf1 ILT |
1214 | libpath = this->Y(); |
1215 | if (libpath.compare(0, 2, "P,") == 0) | |
1216 | libpath.erase(0, 2); | |
1217 | } | |
1218 | else if (!this->nostdlib()) | |
1219 | { | |
1220 | #ifndef NATIVE_LINKER | |
1221 | #define NATIVE_LINKER 0 | |
1222 | #endif | |
1223 | const char* p = LIB_PATH; | |
1224 | if (strcmp(p, "::DEFAULT::") != 0) | |
1225 | libpath = p; | |
1226 | else if (NATIVE_LINKER | |
1227 | || this->user_set_sysroot() | |
1228 | || *TARGET_SYSTEM_ROOT != '\0') | |
1229 | { | |
1230 | this->add_to_library_path_with_sysroot("/lib"); | |
1231 | this->add_to_library_path_with_sysroot("/usr/lib"); | |
1232 | } | |
1233 | else | |
1234 | this->add_to_library_path_with_sysroot(TOOLLIBDIR); | |
1235 | } | |
706e1f5e | 1236 | |
3f3cddf1 ILT |
1237 | if (!libpath.empty()) |
1238 | { | |
706e1f5e ILT |
1239 | size_t pos = 0; |
1240 | size_t next_pos; | |
1241 | do | |
1242 | { | |
3f3cddf1 | 1243 | next_pos = libpath.find(':', pos); |
706e1f5e ILT |
1244 | size_t len = (next_pos == std::string::npos |
1245 | ? next_pos | |
1246 | : next_pos - pos); | |
1247 | if (len != 0) | |
3f3cddf1 | 1248 | this->add_to_library_path_with_sysroot(libpath.substr(pos, len)); |
706e1f5e ILT |
1249 | pos = next_pos + 1; |
1250 | } | |
1251 | while (next_pos != std::string::npos); | |
1252 | } | |
ee1fe73e | 1253 | |
8c604651 CS |
1254 | // Parse the contents of -retain-symbols-file into a set. |
1255 | if (this->retain_symbols_file()) | |
1256 | { | |
1257 | std::ifstream in; | |
1258 | in.open(this->retain_symbols_file()); | |
1259 | if (!in) | |
bbc5ae17 RM |
1260 | gold_fatal(_("unable to open -retain-symbols-file file %s: %s"), |
1261 | this->retain_symbols_file(), strerror(errno)); | |
8c604651 CS |
1262 | std::string line; |
1263 | std::getline(in, line); // this chops off the trailing \n, if any | |
1264 | while (in) | |
bbc5ae17 RM |
1265 | { |
1266 | if (!line.empty() && line[line.length() - 1] == '\r') // Windows | |
1267 | line.resize(line.length() - 1); | |
1268 | this->symbols_to_retain_.insert(line); | |
1269 | std::getline(in, line); | |
1270 | } | |
8c604651 CS |
1271 | } |
1272 | ||
e2153196 ILT |
1273 | // -Bgroup implies --unresolved-symbols=report-all. |
1274 | if (this->Bgroup() && !this->user_set_unresolved_symbols()) | |
1275 | this->set_unresolved_symbols("report-all"); | |
1276 | ||
1277 | // -shared implies --allow-shlib-undefined. Currently | |
1278 | // ---allow-shlib-undefined controls warnings issued based on the | |
1279 | // -symbol table. --unresolved-symbols controls warnings issued | |
1280 | // -based on relocations. | |
d7ab2a47 KVH |
1281 | if (this->shared() && !this->user_set_allow_shlib_undefined()) |
1282 | this->set_allow_shlib_undefined(true); | |
1283 | ||
ee1fe73e ILT |
1284 | // Normalize library_path() by adding the sysroot to all directories |
1285 | // in the path, as appropriate. | |
1286 | this->add_sysroot(); | |
1287 | ||
1288 | // Now that we've normalized the options, check for contradictory ones. | |
4e1e25e0 CC |
1289 | if (this->shared() && this->is_static()) |
1290 | gold_fatal(_("-shared and -static are incompatible")); | |
374ad285 ILT |
1291 | if (this->shared() && this->pie()) |
1292 | gold_fatal(_("-shared and -pie are incompatible")); | |
f9fa4a63 CC |
1293 | if (this->pie() && this->is_static()) |
1294 | gold_fatal(_("-pie and -static are incompatible")); | |
4e1e25e0 | 1295 | |
ee1fe73e ILT |
1296 | if (this->shared() && this->relocatable()) |
1297 | gold_fatal(_("-shared and -r are incompatible")); | |
374ad285 ILT |
1298 | if (this->pie() && this->relocatable()) |
1299 | gold_fatal(_("-pie and -r are incompatible")); | |
ee1fe73e | 1300 | |
886288f1 ILT |
1301 | if (!this->shared()) |
1302 | { | |
1303 | if (this->filter() != NULL) | |
1304 | gold_fatal(_("-F/--filter may not used without -shared")); | |
1305 | if (this->any_auxiliary()) | |
1306 | gold_fatal(_("-f/--auxiliary may not be used without -shared")); | |
1307 | } | |
1308 | ||
8c604651 CS |
1309 | // TODO: implement support for -retain-symbols-file with -r, if needed. |
1310 | if (this->relocatable() && this->retain_symbols_file()) | |
1311 | gold_fatal(_("-retain-symbols-file does not yet work with -r")); | |
1312 | ||
ee1fe73e | 1313 | if (this->oformat_enum() != General_options::OBJECT_FORMAT_ELF |
374ad285 ILT |
1314 | && (this->shared() |
1315 | || this->pie() | |
1316 | || this->relocatable())) | |
1317 | gold_fatal(_("binary output format not compatible " | |
1318 | "with -shared or -pie or -r")); | |
ee1fe73e | 1319 | |
c18476e7 ILT |
1320 | if (this->user_set_hash_bucket_empty_fraction() |
1321 | && (this->hash_bucket_empty_fraction() < 0.0 | |
1322 | || this->hash_bucket_empty_fraction() >= 1.0)) | |
1323 | gold_fatal(_("--hash-bucket-empty-fraction value %g out of range " | |
1324 | "[0.0, 1.0)"), | |
1325 | this->hash_bucket_empty_fraction()); | |
1326 | ||
8c21d9d3 | 1327 | if (this->implicit_incremental_ && this->incremental_mode_ == INCREMENTAL_OFF) |
266d0a74 | 1328 | gold_fatal(_("Options --incremental-changed, --incremental-unchanged, " |
bbc5ae17 | 1329 | "--incremental-unknown require the use of --incremental")); |
266d0a74 | 1330 | |
403a3331 CC |
1331 | // Check for options that are not compatible with incremental linking. |
1332 | // Where an option can be disabled without seriously changing the semantics | |
1333 | // of the link, we turn the option off; otherwise, we issue a fatal error. | |
1334 | ||
1335 | if (this->incremental_mode_ != INCREMENTAL_OFF) | |
1336 | { | |
1337 | if (this->relocatable()) | |
1338 | gold_fatal(_("incremental linking is not compatible with -r")); | |
1339 | if (this->emit_relocs()) | |
1340 | gold_fatal(_("incremental linking is not compatible with " | |
1341 | "--emit-relocs")); | |
1342 | if (this->has_plugins()) | |
1343 | gold_fatal(_("incremental linking is not compatible with --plugin")); | |
943c8b43 CC |
1344 | if (this->relro()) |
1345 | gold_fatal(_("incremental linking is not compatible with -z relro")); | |
158600eb CC |
1346 | if (this->pie()) |
1347 | gold_fatal(_("incremental linking is not compatible with -pie")); | |
403a3331 CC |
1348 | if (this->gc_sections()) |
1349 | { | |
1350 | gold_warning(_("ignoring --gc-sections for an incremental link")); | |
1351 | this->set_gc_sections(false); | |
1352 | } | |
1353 | if (this->icf_enabled()) | |
1354 | { | |
1355 | gold_warning(_("ignoring --icf for an incremental link")); | |
1356 | this->set_icf_status(ICF_NONE); | |
1357 | } | |
1358 | if (strcmp(this->compress_debug_sections(), "none") != 0) | |
1359 | { | |
1360 | gold_warning(_("ignoring --compress-debug-sections for an " | |
1361 | "incremental link")); | |
1362 | this->set_compress_debug_sections("none"); | |
1363 | } | |
1364 | } | |
1365 | ||
bbc5ae17 RM |
1366 | // --rosegment-gap implies --rosegment. |
1367 | if (this->user_set_rosegment_gap()) | |
1368 | this->set_rosegment(true); | |
1369 | ||
ee1fe73e | 1370 | // FIXME: we can/should be doing a lot more sanity checking here. |
e5756efb ILT |
1371 | } |
1372 | ||
ad2d6943 ILT |
1373 | // Search_directory methods. |
1374 | ||
1375 | // This is called if we have a sysroot. Apply the sysroot if | |
1376 | // appropriate. Record whether the directory is in the sysroot. | |
1377 | ||
1378 | void | |
1379 | Search_directory::add_sysroot(const char* sysroot, | |
bbc5ae17 | 1380 | const char* canonical_sysroot) |
ad2d6943 ILT |
1381 | { |
1382 | gold_assert(*sysroot != '\0'); | |
1383 | if (this->put_in_sysroot_) | |
1384 | { | |
1385 | if (!IS_DIR_SEPARATOR(this->name_[0]) | |
bbc5ae17 RM |
1386 | && !IS_DIR_SEPARATOR(sysroot[strlen(sysroot) - 1])) |
1387 | this->name_ = '/' + this->name_; | |
ad2d6943 ILT |
1388 | this->name_ = sysroot + this->name_; |
1389 | this->is_in_sysroot_ = true; | |
1390 | } | |
1391 | else | |
1392 | { | |
1393 | // Check whether this entry is in the sysroot. To do this | |
1394 | // correctly, we need to use canonical names. Otherwise we will | |
1395 | // get confused by the ../../.. paths that gcc tends to use. | |
1396 | char* canonical_name = lrealpath(this->name_.c_str()); | |
1397 | int canonical_name_len = strlen(canonical_name); | |
1398 | int canonical_sysroot_len = strlen(canonical_sysroot); | |
1399 | if (canonical_name_len > canonical_sysroot_len | |
bbc5ae17 RM |
1400 | && IS_DIR_SEPARATOR(canonical_name[canonical_sysroot_len])) |
1401 | { | |
1402 | canonical_name[canonical_sysroot_len] = '\0'; | |
1403 | if (FILENAME_CMP(canonical_name, canonical_sysroot) == 0) | |
1404 | this->is_in_sysroot_ = true; | |
1405 | } | |
ad2d6943 ILT |
1406 | free(canonical_name); |
1407 | } | |
1408 | } | |
1409 | ||
dbe717ef ILT |
1410 | // Input_arguments methods. |
1411 | ||
1412 | // Add a file to the list. | |
1413 | ||
c7975edd | 1414 | Input_argument& |
cdc29364 | 1415 | Input_arguments::add_file(Input_file_argument& file) |
dbe717ef | 1416 | { |
cdc29364 | 1417 | file.set_arg_serial(++this->file_count_); |
b0193076 | 1418 | if (this->in_group_) |
dbe717ef | 1419 | { |
a3ad94ed ILT |
1420 | gold_assert(!this->input_argument_list_.empty()); |
1421 | gold_assert(this->input_argument_list_.back().is_group()); | |
c7975edd | 1422 | return this->input_argument_list_.back().group()->add_file(file); |
dbe717ef | 1423 | } |
c7975edd | 1424 | if (this->in_lib_) |
b0193076 RÁE |
1425 | { |
1426 | gold_assert(!this->input_argument_list_.empty()); | |
1427 | gold_assert(this->input_argument_list_.back().is_lib()); | |
c7975edd | 1428 | return this->input_argument_list_.back().lib()->add_file(file); |
b0193076 | 1429 | } |
c7975edd CC |
1430 | this->input_argument_list_.push_back(Input_argument(file)); |
1431 | return this->input_argument_list_.back(); | |
dbe717ef ILT |
1432 | } |
1433 | ||
1434 | // Start a group. | |
1435 | ||
1436 | void | |
1437 | Input_arguments::start_group() | |
1438 | { | |
ee1fe73e ILT |
1439 | if (this->in_group_) |
1440 | gold_fatal(_("May not nest groups")); | |
b0193076 RÁE |
1441 | if (this->in_lib_) |
1442 | gold_fatal(_("may not nest groups in libraries")); | |
dbe717ef ILT |
1443 | Input_file_group* group = new Input_file_group(); |
1444 | this->input_argument_list_.push_back(Input_argument(group)); | |
1445 | this->in_group_ = true; | |
1446 | } | |
1447 | ||
1448 | // End a group. | |
1449 | ||
1450 | void | |
1451 | Input_arguments::end_group() | |
1452 | { | |
ee1fe73e ILT |
1453 | if (!this->in_group_) |
1454 | gold_fatal(_("Group end without group start")); | |
dbe717ef ILT |
1455 | this->in_group_ = false; |
1456 | } | |
1457 | ||
b0193076 RÁE |
1458 | // Start a lib. |
1459 | ||
1460 | void | |
1461 | Input_arguments::start_lib(const Position_dependent_options& options) | |
1462 | { | |
1463 | if (this->in_lib_) | |
1464 | gold_fatal(_("may not nest libraries")); | |
1465 | if (this->in_group_) | |
1466 | gold_fatal(_("may not nest libraries in groups")); | |
1467 | Input_file_lib* lib = new Input_file_lib(options); | |
1468 | this->input_argument_list_.push_back(Input_argument(lib)); | |
1469 | this->in_lib_ = true; | |
1470 | } | |
1471 | ||
1472 | // End a lib. | |
1473 | ||
1474 | void | |
1475 | Input_arguments::end_lib() | |
1476 | { | |
1477 | if (!this->in_lib_) | |
1478 | gold_fatal(_("lib end without lib start")); | |
1479 | this->in_lib_ = false; | |
1480 | } | |
1481 | ||
ead1e424 | 1482 | // Command_line options. |
bae7f79e | 1483 | |
a5dc0706 | 1484 | Command_line::Command_line() |
bae7f79e ILT |
1485 | { |
1486 | } | |
1487 | ||
293c1386 CC |
1488 | // Pre_options is the hook that sets the ready_to_register flag. |
1489 | ||
1490 | Command_line::Pre_options::Pre_options() | |
1491 | { | |
1492 | gold::options::ready_to_register = true; | |
1493 | } | |
1494 | ||
ee1fe73e ILT |
1495 | // Process the command line options. For process_one_option, i is the |
1496 | // index of argv to process next, and must be an option (that is, | |
1497 | // start with a dash). The return value is the index of the next | |
1498 | // option to process (i+1 or i+2, or argc to indicate processing is | |
1499 | // done). no_more_options is set to true if (and when) "--" is seen | |
1500 | // as an option. | |
bae7f79e | 1501 | |
a0451b38 | 1502 | int |
ee1fe73e | 1503 | Command_line::process_one_option(int argc, const char** argv, int i, |
bbc5ae17 | 1504 | bool* no_more_options) |
bae7f79e | 1505 | { |
ee1fe73e | 1506 | gold_assert(argv[i][0] == '-' && !(*no_more_options)); |
a0451b38 | 1507 | |
ee1fe73e ILT |
1508 | // If we are reading "--", then just set no_more_options and return. |
1509 | if (argv[i][1] == '-' && argv[i][2] == '\0') | |
bae7f79e | 1510 | { |
ee1fe73e | 1511 | *no_more_options = true; |
a0451b38 ILT |
1512 | return i + 1; |
1513 | } | |
bae7f79e | 1514 | |
ee1fe73e ILT |
1515 | int new_i = i; |
1516 | options::One_option* option = NULL; | |
1517 | const char* arg = NULL; | |
bae7f79e | 1518 | |
ee1fe73e ILT |
1519 | // First, try to process argv as a long option. |
1520 | option = parse_long_option(argc, argv, false, &arg, &new_i); | |
1521 | if (option) | |
a0451b38 | 1522 | { |
ee1fe73e ILT |
1523 | option->reader->parse_to_value(argv[i], arg, this, &this->options_); |
1524 | return new_i; | |
a0451b38 | 1525 | } |
bae7f79e | 1526 | |
ee1fe73e ILT |
1527 | // Now, try to process argv as a short option. Since several short |
1528 | // options can be combined in one argv, we may have to parse a lot | |
1529 | // until we're done reading this argv. | |
1530 | int pos_in_argv_i = 1; | |
1531 | while (new_i == i) | |
a0451b38 | 1532 | { |
ee1fe73e ILT |
1533 | option = parse_short_option(argc, argv, pos_in_argv_i, &arg, &new_i); |
1534 | if (!option) | |
bbc5ae17 | 1535 | break; |
ee1fe73e ILT |
1536 | option->reader->parse_to_value(argv[i], arg, this, &this->options_); |
1537 | ++pos_in_argv_i; | |
a0451b38 | 1538 | } |
ee1fe73e ILT |
1539 | if (option) |
1540 | return new_i; | |
a0451b38 | 1541 | |
ee1fe73e ILT |
1542 | // I guess it's neither a long option nor a short option. |
1543 | usage(_("unknown option"), argv[i]); | |
1544 | return argc; | |
a0451b38 | 1545 | } |
bae7f79e | 1546 | |
bae7f79e | 1547 | |
a0451b38 | 1548 | void |
ee1fe73e | 1549 | Command_line::process(int argc, const char** argv) |
a0451b38 ILT |
1550 | { |
1551 | bool no_more_options = false; | |
1552 | int i = 0; | |
1553 | while (i < argc) | |
ead1e424 | 1554 | { |
ee1fe73e ILT |
1555 | this->position_options_.copy_from_options(this->options()); |
1556 | if (no_more_options || argv[i][0] != '-') | |
bbc5ae17 | 1557 | { |
ae3b5189 CD |
1558 | Input_file_argument file(argv[i], |
1559 | Input_file_argument::INPUT_FILE_TYPE_FILE, | |
1560 | "", false, this->position_options_); | |
bbc5ae17 RM |
1561 | this->inputs_.add_file(file); |
1562 | ++i; | |
1563 | } | |
bae7f79e | 1564 | else |
bbc5ae17 | 1565 | i = process_one_option(argc, argv, i, &no_more_options); |
bae7f79e | 1566 | } |
bae7f79e | 1567 | |
dbe717ef | 1568 | if (this->inputs_.in_group()) |
ee1fe73e ILT |
1569 | { |
1570 | fprintf(stderr, _("%s: missing group end\n"), program_name); | |
1571 | usage(); | |
1572 | } | |
bae7f79e | 1573 | |
bd2e3511 BP |
1574 | if (this->inputs_.in_lib()) |
1575 | { | |
1576 | fprintf(stderr, _("%s: missing lib end\n"), program_name); | |
1577 | usage(); | |
1578 | } | |
1579 | ||
ee1fe73e ILT |
1580 | // Normalize the options and ensure they don't contradict each other. |
1581 | this->options_.finalize(); | |
bae7f79e | 1582 | } |
61ba1cf9 | 1583 | |
6affe781 ILT |
1584 | // Finalize the version script options and return them. |
1585 | ||
1586 | const Version_script_info& | |
1587 | Command_line::version_script() | |
1588 | { | |
1589 | this->options_.finalize_dynamic_list(); | |
1590 | Version_script_info* vsi = this->script_options_.version_script_info(); | |
1591 | vsi->finalize(); | |
11e32464 | 1592 | return *vsi; |
6affe781 ILT |
1593 | } |
1594 | ||
61ba1cf9 | 1595 | } // End namespace gold. |