objdump doesn't accept -L option
[binutils-gdb.git] / ld / lexsup.c
1 /* Parse options for the GNU linker.
2 Copyright (C) 1991-2021 Free Software Foundation, Inc.
3
4 This file is part of the GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
21 #include "sysdep.h"
22 #include "bfd.h"
23 #include "bfdver.h"
24 #include "libiberty.h"
25 #include "filenames.h"
26 #include <stdio.h>
27 #include <string.h>
28 #include <errno.h>
29 #include "safe-ctype.h"
30 #include "getopt.h"
31 #include "bfdlink.h"
32 #include "ctf-api.h"
33 #include "ld.h"
34 #include "ldmain.h"
35 #include "ldmisc.h"
36 #include "ldexp.h"
37 #include "ldlang.h"
38 #include <ldgram.h>
39 #include "ldlex.h"
40 #include "ldfile.h"
41 #include "ldver.h"
42 #include "ldemul.h"
43 #include "demangle.h"
44 #if BFD_SUPPORTS_PLUGINS
45 #include "plugin.h"
46 #endif /* BFD_SUPPORTS_PLUGINS */
47
48 #ifndef PATH_SEPARATOR
49 #if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
50 #define PATH_SEPARATOR ';'
51 #else
52 #define PATH_SEPARATOR ':'
53 #endif
54 #endif
55
56 /* Somewhere above, sys/stat.h got included . . . . */
57 #if !defined(S_ISDIR) && defined(S_IFDIR)
58 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
59 #endif
60
61 static void set_default_dirlist (char *);
62 static void set_section_start (char *, char *);
63 static void set_segment_start (const char *, char *);
64 static void help (void);
65
66 /* The long options. This structure is used for both the option
67 parsing and the help text. */
68
69 enum control_enum {
70 /* Use one dash before long option name. */
71 ONE_DASH = 1,
72 /* Use two dashes before long option name. */
73 TWO_DASHES = 2,
74 /* Only accept two dashes before the long option name.
75 This is an overloading of the use of this enum, since originally it
76 was only intended to tell the --help display function how to display
77 the long option name. This feature was added in order to resolve
78 the confusion about the -omagic command line switch. Is it setting
79 the output file name to "magic" or is it setting the NMAGIC flag on
80 the output ? It has been decided that it is setting the output file
81 name, and that if you want to set the NMAGIC flag you should use -N
82 or --omagic. */
83 EXACTLY_TWO_DASHES,
84 /* Don't mention this option in --help output. */
85 NO_HELP
86 };
87
88 struct ld_option
89 {
90 /* The long option information. */
91 struct option opt;
92 /* The short option with the same meaning ('\0' if none). */
93 char shortopt;
94 /* The name of the argument (NULL if none). */
95 const char *arg;
96 /* The documentation string. If this is NULL, this is a synonym for
97 the previous option. */
98 const char *doc;
99 enum control_enum control;
100 };
101
102 static const struct ld_option ld_options[] =
103 {
104 { {NULL, required_argument, NULL, '\0'},
105 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
106 ONE_DASH },
107 { {"architecture", required_argument, NULL, 'A'},
108 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
109 { {"format", required_argument, NULL, 'b'},
110 'b', N_("TARGET"), N_("Specify target for following input files"),
111 TWO_DASHES },
112 { {"mri-script", required_argument, NULL, 'c'},
113 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
114 { {"dc", no_argument, NULL, 'd'},
115 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
116 { {"dp", no_argument, NULL, 'd'},
117 '\0', NULL, NULL, ONE_DASH },
118 { {"dependency-file", required_argument, NULL, OPTION_DEPENDENCY_FILE},
119 '\0', N_("FILE"), N_("Write dependency file"), TWO_DASHES },
120 { {"force-group-allocation", no_argument, NULL,
121 OPTION_FORCE_GROUP_ALLOCATION},
122 '\0', NULL, N_("Force group members out of groups"), TWO_DASHES },
123 { {"entry", required_argument, NULL, 'e'},
124 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
125 { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
126 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
127 { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
128 '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
129 { {"enable-non-contiguous-regions", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS},
130 '\0', NULL, N_("Enable support of non-contiguous memory regions"), TWO_DASHES },
131 { {"enable-non-contiguous-regions-warnings", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS},
132 '\0', NULL, N_("Enable warnings when --enable-non-contiguous-regions may cause unexpected behaviour"), TWO_DASHES },
133 { {"EB", no_argument, NULL, OPTION_EB},
134 '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
135 { {"EL", no_argument, NULL, OPTION_EL},
136 '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
137 { {"auxiliary", required_argument, NULL, 'f'},
138 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
139 TWO_DASHES },
140 { {"filter", required_argument, NULL, 'F'},
141 'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
142 TWO_DASHES },
143 { {NULL, no_argument, NULL, '\0'},
144 'g', NULL, N_("Ignored"), ONE_DASH },
145 { {"gpsize", required_argument, NULL, 'G'},
146 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
147 TWO_DASHES },
148 { {"soname", required_argument, NULL, OPTION_SONAME},
149 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
150 { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
151 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
152 TWO_DASHES },
153 { {"no-dynamic-linker", no_argument, NULL, OPTION_NO_DYNAMIC_LINKER},
154 '\0', NULL, N_("Produce an executable with no program interpreter header"),
155 TWO_DASHES },
156 { {"library", required_argument, NULL, 'l'},
157 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
158 { {"library-path", required_argument, NULL, 'L'},
159 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
160 TWO_DASHES },
161 { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
162 '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
163 { {NULL, required_argument, NULL, '\0'},
164 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
165 { {"print-map", no_argument, NULL, 'M'},
166 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
167 { {"nmagic", no_argument, NULL, 'n'},
168 'n', NULL, N_("Do not page align data"), TWO_DASHES },
169 { {"omagic", no_argument, NULL, 'N'},
170 'N', NULL, N_("Do not page align data, do not make text readonly"),
171 EXACTLY_TWO_DASHES },
172 { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
173 '\0', NULL, N_("Page align data, make text readonly"),
174 EXACTLY_TWO_DASHES },
175 { {"output", required_argument, NULL, 'o'},
176 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
177 { {NULL, required_argument, NULL, '\0'},
178 'O', NULL, N_("Optimize output file"), ONE_DASH },
179 { {"out-implib", required_argument, NULL, OPTION_OUT_IMPLIB},
180 '\0', N_("FILE"), N_("Generate import library"), TWO_DASHES },
181 #if BFD_SUPPORTS_PLUGINS
182 { {"plugin", required_argument, NULL, OPTION_PLUGIN},
183 '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
184 { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
185 '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
186 { {"flto", optional_argument, NULL, OPTION_IGNORE},
187 '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
188 ONE_DASH },
189 { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
190 '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
191 ONE_DASH },
192 #else
193 { {"plugin", required_argument, NULL, OPTION_IGNORE},
194 '\0', N_("PLUGIN"), N_("Load named plugin (ignored)"), ONE_DASH },
195 { {"plugin-opt", required_argument, NULL, OPTION_IGNORE},
196 '\0', N_("ARG"), N_("Send arg to last-loaded plugin (ignored)"), ONE_DASH },
197 #endif /* BFD_SUPPORTS_PLUGINS */
198 { {"fuse-ld=", required_argument, NULL, OPTION_IGNORE},
199 '\0', NULL, N_("Ignored for GCC linker option compatibility"),
200 ONE_DASH },
201 { {"map-whole-files", optional_argument, NULL, OPTION_IGNORE},
202 '\0', NULL, N_("Ignored for gold option compatibility"),
203 TWO_DASHES },
204 { {"no-map-whole-files", optional_argument, NULL, OPTION_IGNORE},
205 '\0', NULL, N_("Ignored for gold option compatibility"),
206 TWO_DASHES },
207 { {"Qy", no_argument, NULL, OPTION_IGNORE},
208 '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
209 { {"emit-relocs", no_argument, NULL, 'q'},
210 'q', NULL, "Generate relocations in final output", TWO_DASHES },
211 { {"relocatable", no_argument, NULL, 'r'},
212 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
213 { {NULL, no_argument, NULL, '\0'},
214 'i', NULL, NULL, ONE_DASH },
215 { {"just-symbols", required_argument, NULL, 'R'},
216 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
217 TWO_DASHES },
218 { {"strip-all", no_argument, NULL, 's'},
219 's', NULL, N_("Strip all symbols"), TWO_DASHES },
220 { {"strip-debug", no_argument, NULL, 'S'},
221 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
222 { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
223 '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
224 { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
225 '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
226 { {"trace", no_argument, NULL, 't'},
227 't', NULL, N_("Trace file opens"), TWO_DASHES },
228 { {"script", required_argument, NULL, 'T'},
229 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
230 { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
231 '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
232 { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
233 '\0', NULL, NULL, ONE_DASH },
234 { {"undefined", required_argument, NULL, 'u'},
235 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
236 TWO_DASHES },
237 { {"require-defined", required_argument, NULL, OPTION_REQUIRE_DEFINED_SYMBOL},
238 '\0', N_("SYMBOL"), N_("Require SYMBOL be defined in the final output"),
239 TWO_DASHES },
240 { {"unique", optional_argument, NULL, OPTION_UNIQUE},
241 '\0', N_("[=SECTION]"),
242 N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
243 { {"Ur", no_argument, NULL, OPTION_UR},
244 '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
245 { {"version", no_argument, NULL, OPTION_VERSION},
246 'v', NULL, N_("Print version information"), TWO_DASHES },
247 { {NULL, no_argument, NULL, '\0'},
248 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
249 { {"discard-all", no_argument, NULL, 'x'},
250 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
251 { {"discard-locals", no_argument, NULL, 'X'},
252 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
253 { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
254 '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
255 { {"trace-symbol", required_argument, NULL, 'y'},
256 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
257 { {NULL, required_argument, NULL, '\0'},
258 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
259 ONE_DASH },
260 { {"start-group", no_argument, NULL, '('},
261 '(', NULL, N_("Start a group"), TWO_DASHES },
262 { {"end-group", no_argument, NULL, ')'},
263 ')', NULL, N_("End a group"), TWO_DASHES },
264 { {"accept-unknown-input-arch", no_argument, NULL,
265 OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
266 '\0', NULL,
267 N_("Accept input files whose architecture cannot be determined"),
268 TWO_DASHES },
269 { {"no-accept-unknown-input-arch", no_argument, NULL,
270 OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
271 '\0', NULL, N_("Reject input files whose architecture is unknown"),
272 TWO_DASHES },
273
274 /* The next two options are deprecated because of their similarity to
275 --as-needed and --no-as-needed. They have been replaced by
276 --copy-dt-needed-entries and --no-copy-dt-needed-entries. */
277 { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
278 '\0', NULL, NULL, NO_HELP },
279 { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
280 '\0', NULL, NULL, NO_HELP },
281
282 { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
283 '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
284 TWO_DASHES },
285 { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
286 '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
287 " the command line"),
288 TWO_DASHES },
289 { {"assert", required_argument, NULL, OPTION_ASSERT},
290 '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
291 { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
292 '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
293 { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
294 '\0', NULL, NULL, ONE_DASH },
295 { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
296 '\0', NULL, NULL, ONE_DASH },
297 { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
298 '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
299 { {"dn", no_argument, NULL, OPTION_NON_SHARED},
300 '\0', NULL, NULL, ONE_DASH },
301 { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
302 '\0', NULL, NULL, ONE_DASH },
303 { {"static", no_argument, NULL, OPTION_NON_SHARED},
304 '\0', NULL, NULL, ONE_DASH },
305 { {"Bno-symbolic", no_argument, NULL, OPTION_NO_SYMBOLIC},
306 '\0', NULL, N_("Don't bind global references locally"), ONE_DASH },
307 { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
308 '\0', NULL, N_("Bind global references locally"), ONE_DASH },
309 { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
310 '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
311 { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
312 '\0', NULL, N_("Check section addresses for overlaps (default)"),
313 TWO_DASHES },
314 { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
315 '\0', NULL, N_("Do not check section addresses for overlaps"),
316 TWO_DASHES },
317 { {"copy-dt-needed-entries", no_argument, NULL,
318 OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
319 '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
320 TWO_DASHES },
321 { {"no-copy-dt-needed-entries", no_argument, NULL,
322 OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
323 '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
324 TWO_DASHES },
325
326 { {"cref", no_argument, NULL, OPTION_CREF},
327 '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
328 { {"defsym", required_argument, NULL, OPTION_DEFSYM},
329 '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
330 { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
331 '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
332 TWO_DASHES },
333 { {"disable-multiple-abs-defs", no_argument, NULL,
334 OPTION_DISABLE_MULTIPLE_DEFS_ABS},
335 '\0', NULL, N_("Do not allow multiple definitions with symbols included\n"
336 " in filename invoked by -R or --just-symbols"),
337 TWO_DASHES},
338 { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
339 '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
340 { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
341 '\0', NULL, N_("Treat warnings as errors"),
342 TWO_DASHES },
343 { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
344 '\0', NULL, N_("Do not treat warnings as errors (default)"),
345 TWO_DASHES },
346 { {"fini", required_argument, NULL, OPTION_FINI},
347 '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
348 { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
349 '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
350 { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
351 '\0', NULL, N_("Remove unused sections (on some targets)"),
352 TWO_DASHES },
353 { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
354 '\0', NULL, N_("Don't remove unused sections (default)"),
355 TWO_DASHES },
356 { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
357 '\0', NULL, N_("List removed unused sections on stderr"),
358 TWO_DASHES },
359 { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
360 '\0', NULL, N_("Do not list removed unused sections"),
361 TWO_DASHES },
362 { {"gc-keep-exported", no_argument, NULL, OPTION_GC_KEEP_EXPORTED},
363 '\0', NULL, N_("Keep exported symbols when removing unused sections"),
364 TWO_DASHES },
365 { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
366 '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
367 TWO_DASHES },
368 { {"help", no_argument, NULL, OPTION_HELP},
369 '\0', NULL, N_("Print option help"), TWO_DASHES },
370 { {"init", required_argument, NULL, OPTION_INIT},
371 '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
372 { {"Map", required_argument, NULL, OPTION_MAP},
373 '\0', N_("FILE/DIR"), N_("Write a linker map to FILE or DIR/<outputname>.map"), ONE_DASH },
374 { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
375 '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
376 { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
377 '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
378 { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
379 '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
380 { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
381 '\0', NULL, N_("Do not allow unresolved references in object files"),
382 TWO_DASHES },
383 { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
384 '\0', NULL, N_("Allow unresolved references in shared libraries"),
385 TWO_DASHES },
386 { {"no-allow-shlib-undefined", no_argument, NULL,
387 OPTION_NO_ALLOW_SHLIB_UNDEFINED},
388 '\0', NULL, N_("Do not allow unresolved references in shared libs"),
389 TWO_DASHES },
390 { {"allow-multiple-definition", no_argument, NULL,
391 OPTION_ALLOW_MULTIPLE_DEFINITION},
392 '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
393 #if SUPPORT_ERROR_HANDLING_SCRIPT
394 { {"error-handling-script", required_argument, NULL,
395 OPTION_ERROR_HANDLING_SCRIPT},
396 '\0', N_("SCRIPT"), N_("Provide a script to help with undefined symbol errors"), TWO_DASHES},
397 #endif
398 { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
399 '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
400 { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
401 '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
402 { {"default-imported-symver", no_argument, NULL,
403 OPTION_DEFAULT_IMPORTED_SYMVER},
404 '\0', NULL, N_("Create default symbol version for imported symbols"),
405 TWO_DASHES },
406 { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
407 '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
408 { {"no-warn-search-mismatch", no_argument, NULL,
409 OPTION_NO_WARN_SEARCH_MISMATCH},
410 '\0', NULL, N_("Don't warn on finding an incompatible library"),
411 TWO_DASHES},
412 { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
413 '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
414 { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
415 '\0', NULL, N_("Create an output file even if errors occur"),
416 TWO_DASHES },
417 { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
418 '\0', NULL, NULL, NO_HELP },
419 { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
420 '\0', NULL, N_("Only use library directories specified on\n"
421 " the command line"),
422 ONE_DASH },
423 { {"oformat", required_argument, NULL, OPTION_OFORMAT},
424 '\0', N_("TARGET"), N_("Specify target of output file"),
425 EXACTLY_TWO_DASHES },
426 { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
427 '\0', NULL, N_("Print default output format"), TWO_DASHES },
428 { {"print-sysroot", no_argument, NULL, OPTION_PRINT_SYSROOT},
429 '\0', NULL, N_("Print current sysroot"), TWO_DASHES },
430 { {"qmagic", no_argument, NULL, OPTION_IGNORE},
431 '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
432 { {"reduce-memory-overheads", no_argument, NULL,
433 OPTION_REDUCE_MEMORY_OVERHEADS},
434 '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
435 TWO_DASHES },
436 { {"max-cache-size=SIZE", required_argument, NULL,
437 OPTION_MAX_CACHE_SIZE},
438 '\0', NULL, N_("Set the maximum cache size to SIZE bytes"),
439 TWO_DASHES },
440 { {"relax", no_argument, NULL, OPTION_RELAX},
441 '\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES },
442 { {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
443 '\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES },
444 { {"retain-symbols-file", required_argument, NULL,
445 OPTION_RETAIN_SYMBOLS_FILE},
446 '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
447 { {"rpath", required_argument, NULL, OPTION_RPATH},
448 '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
449 { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
450 '\0', N_("PATH"), N_("Set link time shared library search path"),
451 ONE_DASH },
452 { {"shared", no_argument, NULL, OPTION_SHARED},
453 '\0', NULL, N_("Create a shared library"), ONE_DASH },
454 { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
455 '\0', NULL, NULL, ONE_DASH },
456 { {"pie", no_argument, NULL, OPTION_PIE},
457 '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
458 { {"pic-executable", no_argument, NULL, OPTION_PIE},
459 '\0', NULL, NULL, TWO_DASHES },
460 { {"no-pie", no_argument, NULL, OPTION_NO_PIE},
461 '\0', NULL, N_("Create a position dependent executable (default)"), ONE_DASH },
462 { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
463 '\0', N_("[=ascending|descending]"),
464 N_("Sort common symbols by alignment [in specified order]"),
465 TWO_DASHES },
466 { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
467 '\0', NULL, NULL, NO_HELP },
468 { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
469 '\0', N_("name|alignment"),
470 N_("Sort sections by name or maximum alignment"), TWO_DASHES },
471 { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
472 '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
473 TWO_DASHES },
474 { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
475 '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
476 TWO_DASHES },
477 { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
478 '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
479 TWO_DASHES },
480 { {"stats", no_argument, NULL, OPTION_STATS},
481 '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
482 { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
483 '\0', NULL, N_("Display target specific options"), TWO_DASHES },
484 { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
485 '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
486 { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
487 '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
488 { {"section-start", required_argument, NULL, OPTION_SECTION_START},
489 '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
490 TWO_DASHES },
491 { {"Tbss", required_argument, NULL, OPTION_TBSS},
492 '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
493 { {"Tdata", required_argument, NULL, OPTION_TDATA},
494 '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
495 { {"Ttext", required_argument, NULL, OPTION_TTEXT},
496 '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
497 { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
498 '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
499 { {"Trodata-segment", required_argument, NULL, OPTION_TRODATA_SEGMENT},
500 '\0', N_("ADDRESS"), N_("Set address of rodata segment"), ONE_DASH },
501 { {"Tldata-segment", required_argument, NULL, OPTION_TLDATA_SEGMENT},
502 '\0', N_("ADDRESS"), N_("Set address of ldata segment"), ONE_DASH },
503 { {"unresolved-symbols=<method>", required_argument, NULL,
504 OPTION_UNRESOLVED_SYMBOLS},
505 '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n"
506 " ignore-all, report-all, ignore-in-object-files,\n"
507 " ignore-in-shared-libs"),
508 TWO_DASHES },
509 { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
510 '\0', N_("[=NUMBER]"),
511 N_("Output lots of information during link"), TWO_DASHES },
512 { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
513 '\0', NULL, NULL, NO_HELP },
514 { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
515 '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
516 { {"version-exports-section", required_argument, NULL,
517 OPTION_VERSION_EXPORTS_SECTION },
518 '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
519 " SYMBOL as the version."),
520 TWO_DASHES },
521 { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
522 '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
523 { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
524 '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
525 { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
526 '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
527 { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
528 '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
529 { {"export-dynamic-symbol", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL},
530 '\0', N_("SYMBOL"), N_("Export the specified symbol"), EXACTLY_TWO_DASHES },
531 { {"export-dynamic-symbol-list", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL_LIST},
532 '\0', N_("FILE"), N_("Read export dynamic symbol list"), EXACTLY_TWO_DASHES },
533 { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
534 '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
535 { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
536 '\0', NULL, N_("Warn if global constructors/destructors are seen"),
537 TWO_DASHES },
538 { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
539 '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
540 { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
541 '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
542 { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
543 '\0', NULL, N_("Warn if start of section changes due to alignment"),
544 TWO_DASHES },
545 { {"warn-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
546 '\0', NULL,
547 #if DEFAULT_LD_TEXTREL_CHECK_WARNING
548 N_("Warn if output has DT_TEXTREL (default)"),
549 #else
550 N_("Warn if output has DT_TEXTREL"),
551 #endif
552 TWO_DASHES },
553 { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_TEXTREL},
554 '\0', NULL, NULL, NO_HELP },
555 { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
556 '\0', NULL, N_("Warn if an object has alternate ELF machine code"),
557 TWO_DASHES },
558 { {"warn-unresolved-symbols", no_argument, NULL,
559 OPTION_WARN_UNRESOLVED_SYMBOLS},
560 '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
561 { {"error-unresolved-symbols", no_argument, NULL,
562 OPTION_ERROR_UNRESOLVED_SYMBOLS},
563 '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
564 { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
565 '\0', NULL, N_("Include all objects from following archives"),
566 TWO_DASHES },
567 { {"wrap", required_argument, NULL, OPTION_WRAP},
568 '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
569 { {"ignore-unresolved-symbol", required_argument, NULL,
570 OPTION_IGNORE_UNRESOLVED_SYMBOL},
571 '\0', N_("SYMBOL"),
572 N_("Unresolved SYMBOL will not cause an error or warning"), TWO_DASHES },
573 { {"push-state", no_argument, NULL, OPTION_PUSH_STATE},
574 '\0', NULL, N_("Push state of flags governing input file handling"),
575 TWO_DASHES },
576 { {"pop-state", no_argument, NULL, OPTION_POP_STATE},
577 '\0', NULL, N_("Pop state of flags governing input file handling"),
578 TWO_DASHES },
579 { {"print-memory-usage", no_argument, NULL, OPTION_PRINT_MEMORY_USAGE},
580 '\0', NULL, N_("Report target memory usage"), TWO_DASHES },
581 { {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING},
582 '\0', N_("=MODE"), N_("Control how orphan sections are handled."),
583 TWO_DASHES },
584 { {"print-map-discarded", no_argument, NULL, OPTION_PRINT_MAP_DISCARDED},
585 '\0', NULL, N_("Show discarded sections in map file output (default)"),
586 TWO_DASHES },
587 { {"no-print-map-discarded", no_argument, NULL, OPTION_NO_PRINT_MAP_DISCARDED},
588 '\0', NULL, N_("Do not show discarded sections in map file output"),
589 TWO_DASHES },
590 { {"ctf-variables", no_argument, NULL, OPTION_CTF_VARIABLES},
591 '\0', NULL, N_("Emit names and types of static variables in CTF"),
592 TWO_DASHES },
593 { {"no-ctf-variables", no_argument, NULL, OPTION_NO_CTF_VARIABLES},
594 '\0', NULL, N_("Do not emit names and types of static variables in CTF"),
595 TWO_DASHES },
596 { {"ctf-share-types=<method>", required_argument, NULL,
597 OPTION_CTF_SHARE_TYPES},
598 '\0', NULL, N_("How to share CTF types between translation units.\n"
599 " <method> is: share-unconflicted (default),\n"
600 " share-duplicated"),
601 TWO_DASHES },
602 };
603
604 #define OPTION_COUNT ARRAY_SIZE (ld_options)
605
606 void
607 parse_args (unsigned argc, char **argv)
608 {
609 unsigned i;
610 int is, il, irl;
611 int ingroup = 0;
612 char *default_dirlist = NULL;
613 char *shortopts;
614 struct option *longopts;
615 struct option *really_longopts;
616 int last_optind;
617 enum symbolic_enum
618 {
619 symbolic_unset = 0,
620 symbolic,
621 symbolic_functions,
622 } opt_symbolic = symbolic_unset;
623 enum dynamic_list_enum
624 {
625 dynamic_list_unset = 0,
626 dynamic_list_data,
627 dynamic_list
628 } opt_dynamic_list = dynamic_list_unset;
629 struct bfd_elf_dynamic_list *export_list = NULL;
630
631 shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
632 longopts = (struct option *)
633 xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
634 really_longopts = (struct option *)
635 xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
636
637 /* Starting the short option string with '-' is for programs that
638 expect options and other ARGV-elements in any order and that care about
639 the ordering of the two. We describe each non-option ARGV-element
640 as if it were the argument of an option with character code 1. */
641 shortopts[0] = '-';
642 is = 1;
643 il = 0;
644 irl = 0;
645 for (i = 0; i < OPTION_COUNT; i++)
646 {
647 if (ld_options[i].shortopt != '\0')
648 {
649 shortopts[is] = ld_options[i].shortopt;
650 ++is;
651 if (ld_options[i].opt.has_arg == required_argument
652 || ld_options[i].opt.has_arg == optional_argument)
653 {
654 shortopts[is] = ':';
655 ++is;
656 if (ld_options[i].opt.has_arg == optional_argument)
657 {
658 shortopts[is] = ':';
659 ++is;
660 }
661 }
662 }
663 if (ld_options[i].opt.name != NULL)
664 {
665 if (ld_options[i].control == EXACTLY_TWO_DASHES)
666 {
667 really_longopts[irl] = ld_options[i].opt;
668 ++irl;
669 }
670 else
671 {
672 longopts[il] = ld_options[i].opt;
673 ++il;
674 }
675 }
676 }
677 shortopts[is] = '\0';
678 longopts[il].name = NULL;
679 really_longopts[irl].name = NULL;
680
681 ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
682
683 /* The -G option is ambiguous on different platforms. Sometimes it
684 specifies the largest data size to put into the small data
685 section. Sometimes it is equivalent to --shared. Unfortunately,
686 the first form takes an argument, while the second does not.
687
688 We need to permit the --shared form because on some platforms,
689 such as Solaris, gcc -shared will pass -G to the linker.
690
691 To permit either usage, we look through the argument list. If we
692 find -G not followed by a number, we change it into --shared.
693 This will work for most normal cases. */
694 for (i = 1; i < argc; i++)
695 if (strcmp (argv[i], "-G") == 0
696 && (i + 1 >= argc
697 || ! ISDIGIT (argv[i + 1][0])))
698 argv[i] = (char *) "--shared";
699
700 /* Because we permit long options to start with a single dash, and
701 we have a --library option, and the -l option is conventionally
702 used with an immediately following argument, we can have bad
703 results if somebody tries to use -l with a library whose name
704 happens to start with "ibrary", as in -li. We avoid problems by
705 simply turning -l into --library. This means that users will
706 have to use two dashes in order to use --library, which is OK
707 since that's how it is documented.
708
709 FIXME: It's possible that this problem can arise for other short
710 options as well, although the user does always have the recourse
711 of adding a space between the option and the argument. */
712 for (i = 1; i < argc; i++)
713 {
714 if (argv[i][0] == '-'
715 && argv[i][1] == 'l'
716 && argv[i][2] != '\0')
717 {
718 char *n;
719
720 n = (char *) xmalloc (strlen (argv[i]) + 20);
721 sprintf (n, "--library=%s", argv[i] + 2);
722 argv[i] = n;
723 }
724 }
725
726 last_optind = -1;
727 while (1)
728 {
729 int longind = 0;
730 int optc;
731 static unsigned int defsym_count;
732
733 /* Using last_optind lets us avoid calling ldemul_parse_args
734 multiple times on a single option, which would lead to
735 confusion in the internal static variables maintained by
736 getopt. This could otherwise happen for an argument like
737 -nx, in which the -n is parsed as a single option, and we
738 loop around to pick up the -x. */
739 if (optind != last_optind)
740 if (ldemul_parse_args (argc, argv))
741 continue;
742
743 /* getopt_long_only is like getopt_long, but '-' as well as '--'
744 can indicate a long option. */
745 opterr = 0;
746 last_optind = optind;
747 optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
748 if (optc == '?')
749 {
750 optind = last_optind;
751 optc = getopt_long (argc, argv, "-", really_longopts, &longind);
752 }
753 /* Attempt to detect grouped short options, eg: "-non-start".
754 Accepting such options is error prone as it is not clear if the user
755 intended "-n -o n-start" or "--non-start". */
756 else if (longind == 0 /* This is a short option. */
757 && optc > 32 /* It is a valid option. */
758 /* The character is not the second character of argv[last_optind]. */
759 && optc != argv[last_optind][1])
760 {
761 if (optarg)
762 einfo (_("%F%P: Error: unable to disambiguate: %s (did you mean -%s ?)\n"),
763 argv[last_optind], argv[last_optind]);
764 else
765 einfo (_("%P: Warning: grouped short command line options are deprecated: %s\n"), argv[last_optind]);
766 }
767
768 if (ldemul_handle_option (optc))
769 continue;
770
771 if (optc == -1)
772 break;
773
774 switch (optc)
775 {
776 case '?':
777 {
778 /* If the last word on the command line is an option that
779 requires an argument, getopt will refuse to recognise it.
780 Try to catch such options here and issue a more helpful
781 error message than just "unrecognized option". */
782 int opt;
783
784 for (opt = ARRAY_SIZE (ld_options); opt--;)
785 if (ld_options[opt].opt.has_arg == required_argument
786 /* FIXME: There are a few short options that do not
787 have long equivalents, but which require arguments.
788 We should handle them too. */
789 && ld_options[opt].opt.name != NULL
790 && strcmp (argv[last_optind] + ld_options[opt].control, ld_options[opt].opt.name) == 0)
791 {
792 einfo (_("%P: %s: missing argument\n"), argv[last_optind]);
793 break;
794 }
795
796 if (opt == -1)
797 einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
798 }
799 /* Fall through. */
800
801 default:
802 einfo (_("%F%P: use the --help option for usage information\n"));
803 break;
804
805 case 1: /* File name. */
806 lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
807 break;
808
809 case OPTION_IGNORE:
810 break;
811 case 'a':
812 /* For HP/UX compatibility. Actually -a shared should mean
813 ``use only shared libraries'' but, then, we don't
814 currently support shared libraries on HP/UX anyhow. */
815 if (strcmp (optarg, "archive") == 0)
816 input_flags.dynamic = false;
817 else if (strcmp (optarg, "shared") == 0
818 || strcmp (optarg, "default") == 0)
819 input_flags.dynamic = true;
820 else
821 einfo (_("%F%P: unrecognized -a option `%s'\n"), optarg);
822 break;
823 case OPTION_ASSERT:
824 /* FIXME: We just ignore these, but we should handle them. */
825 if (strcmp (optarg, "definitions") == 0)
826 ;
827 else if (strcmp (optarg, "nodefinitions") == 0)
828 ;
829 else if (strcmp (optarg, "nosymbolic") == 0)
830 ;
831 else if (strcmp (optarg, "pure-text") == 0)
832 ;
833 else
834 einfo (_("%F%P: unrecognized -assert option `%s'\n"), optarg);
835 break;
836 case 'A':
837 ldfile_add_arch (optarg);
838 break;
839 case 'b':
840 lang_add_target (optarg);
841 break;
842 case 'c':
843 ldfile_open_command_file (optarg);
844 parser_input = input_mri_script;
845 yyparse ();
846 break;
847 case OPTION_CALL_SHARED:
848 input_flags.dynamic = true;
849 break;
850 case OPTION_NON_SHARED:
851 input_flags.dynamic = false;
852 break;
853 case OPTION_CREF:
854 command_line.cref = true;
855 link_info.notice_all = true;
856 break;
857 case 'd':
858 command_line.force_common_definition = true;
859 break;
860 case OPTION_FORCE_GROUP_ALLOCATION:
861 command_line.force_group_allocation = true;
862 break;
863 case OPTION_DEFSYM:
864 lex_string = optarg;
865 lex_redirect (optarg, "--defsym", ++defsym_count);
866 parser_input = input_defsym;
867 yyparse ();
868 lex_string = NULL;
869 break;
870 case OPTION_DEMANGLE:
871 demangling = true;
872 if (optarg != NULL)
873 {
874 enum demangling_styles style;
875
876 style = cplus_demangle_name_to_style (optarg);
877 if (style == unknown_demangling)
878 einfo (_("%F%P: unknown demangling style `%s'\n"),
879 optarg);
880
881 cplus_demangle_set_style (style);
882 }
883 break;
884 case 'I': /* Used on Solaris. */
885 case OPTION_DYNAMIC_LINKER:
886 command_line.interpreter = optarg;
887 link_info.nointerp = 0;
888 break;
889 case OPTION_NO_DYNAMIC_LINKER:
890 link_info.nointerp = 1;
891 break;
892 case OPTION_SYSROOT:
893 /* Already handled in ldmain.c. */
894 break;
895 case OPTION_EB:
896 command_line.endian = ENDIAN_BIG;
897 break;
898 case OPTION_EL:
899 command_line.endian = ENDIAN_LITTLE;
900 break;
901 case OPTION_EMBEDDED_RELOCS:
902 command_line.embedded_relocs = true;
903 break;
904 case OPTION_EXPORT_DYNAMIC:
905 case 'E': /* HP/UX compatibility. */
906 link_info.export_dynamic = true;
907 break;
908 case OPTION_NO_EXPORT_DYNAMIC:
909 link_info.export_dynamic = false;
910 break;
911 case OPTION_NON_CONTIGUOUS_REGIONS:
912 link_info.non_contiguous_regions = true;
913 break;
914 case OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS:
915 link_info.non_contiguous_regions_warnings = true;
916 break;
917 case 'e':
918 lang_add_entry (optarg, true);
919 break;
920 case 'f':
921 if (command_line.auxiliary_filters == NULL)
922 {
923 command_line.auxiliary_filters = (char **)
924 xmalloc (2 * sizeof (char *));
925 command_line.auxiliary_filters[0] = optarg;
926 command_line.auxiliary_filters[1] = NULL;
927 }
928 else
929 {
930 int c;
931 char **p;
932
933 c = 0;
934 for (p = command_line.auxiliary_filters; *p != NULL; p++)
935 ++c;
936 command_line.auxiliary_filters = (char **)
937 xrealloc (command_line.auxiliary_filters,
938 (c + 2) * sizeof (char *));
939 command_line.auxiliary_filters[c] = optarg;
940 command_line.auxiliary_filters[c + 1] = NULL;
941 }
942 break;
943 case 'F':
944 command_line.filter_shlib = optarg;
945 break;
946 case OPTION_FORCE_EXE_SUFFIX:
947 command_line.force_exe_suffix = true;
948 break;
949 case 'G':
950 {
951 char *end;
952 g_switch_value = strtoul (optarg, &end, 0);
953 if (*end)
954 einfo (_("%F%P: invalid number `%s'\n"), optarg);
955 }
956 break;
957 case 'g':
958 /* Ignore. */
959 break;
960 case OPTION_GC_SECTIONS:
961 link_info.gc_sections = true;
962 break;
963 case OPTION_PRINT_GC_SECTIONS:
964 link_info.print_gc_sections = true;
965 break;
966 case OPTION_GC_KEEP_EXPORTED:
967 link_info.gc_keep_exported = true;
968 break;
969 case OPTION_HELP:
970 help ();
971 xexit (0);
972 break;
973 case 'L':
974 ldfile_add_library_path (optarg, true);
975 break;
976 case 'l':
977 lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
978 break;
979 case 'M':
980 config.map_filename = "-";
981 break;
982 case 'm':
983 /* Ignore. Was handled in a pre-parse. */
984 break;
985 case OPTION_MAP:
986 config.map_filename = optarg;
987 break;
988 case 'N':
989 config.text_read_only = false;
990 config.magic_demand_paged = false;
991 input_flags.dynamic = false;
992 break;
993 case OPTION_NO_OMAGIC:
994 config.text_read_only = true;
995 config.magic_demand_paged = true;
996 /* NB/ Does not set input_flags.dynamic to TRUE.
997 Use --call-shared or -Bdynamic for this. */
998 break;
999 case 'n':
1000 config.text_read_only = true;
1001 config.magic_demand_paged = false;
1002 input_flags.dynamic = false;
1003 break;
1004 case OPTION_NO_DEFINE_COMMON:
1005 link_info.inhibit_common_definition = true;
1006 break;
1007 case OPTION_NO_DEMANGLE:
1008 demangling = false;
1009 break;
1010 case OPTION_NO_GC_SECTIONS:
1011 link_info.gc_sections = false;
1012 break;
1013 case OPTION_NO_PRINT_GC_SECTIONS:
1014 link_info.print_gc_sections = false;
1015 break;
1016 case OPTION_NO_KEEP_MEMORY:
1017 link_info.keep_memory = false;
1018 break;
1019 case OPTION_NO_UNDEFINED:
1020 link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
1021 break;
1022 case OPTION_ALLOW_SHLIB_UNDEFINED:
1023 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1024 break;
1025 case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
1026 link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
1027 break;
1028 case OPTION_UNRESOLVED_SYMBOLS:
1029 if (strcmp (optarg, "ignore-all") == 0)
1030 {
1031 link_info.unresolved_syms_in_objects = RM_IGNORE;
1032 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1033 }
1034 else if (strcmp (optarg, "report-all") == 0)
1035 {
1036 link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
1037 link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
1038 }
1039 else if (strcmp (optarg, "ignore-in-object-files") == 0)
1040 {
1041 link_info.unresolved_syms_in_objects = RM_IGNORE;
1042 link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
1043 }
1044 else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
1045 {
1046 link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
1047 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1048 }
1049 else
1050 einfo (_("%F%P: bad --unresolved-symbols option: %s\n"), optarg);
1051 break;
1052 case OPTION_WARN_UNRESOLVED_SYMBOLS:
1053 link_info.warn_unresolved_syms = true;
1054 break;
1055 case OPTION_ERROR_UNRESOLVED_SYMBOLS:
1056 link_info.warn_unresolved_syms = false;
1057 break;
1058 case OPTION_ALLOW_MULTIPLE_DEFINITION:
1059 link_info.allow_multiple_definition = true;
1060 break;
1061
1062 #if SUPPORT_ERROR_HANDLING_SCRIPT
1063 case OPTION_ERROR_HANDLING_SCRIPT:
1064 /* FIXME: Should we warn if the script is being overridden by another ?
1065 Or maybe they should be chained together ? */
1066 error_handling_script = optarg;
1067 break;
1068 #endif
1069
1070 case OPTION_NO_UNDEFINED_VERSION:
1071 link_info.allow_undefined_version = false;
1072 break;
1073 case OPTION_DEFAULT_SYMVER:
1074 link_info.create_default_symver = true;
1075 break;
1076 case OPTION_DEFAULT_IMPORTED_SYMVER:
1077 link_info.default_imported_symver = true;
1078 break;
1079 case OPTION_NO_WARN_MISMATCH:
1080 command_line.warn_mismatch = false;
1081 break;
1082 case OPTION_NO_WARN_SEARCH_MISMATCH:
1083 command_line.warn_search_mismatch = false;
1084 break;
1085 case OPTION_NOINHIBIT_EXEC:
1086 force_make_executable = true;
1087 break;
1088 case OPTION_NOSTDLIB:
1089 config.only_cmd_line_lib_dirs = true;
1090 break;
1091 case OPTION_NO_WHOLE_ARCHIVE:
1092 input_flags.whole_archive = false;
1093 break;
1094 case 'O':
1095 /* FIXME "-O<non-digits> <value>" used to set the address of
1096 section <non-digits>. Was this for compatibility with
1097 something, or can we create a new option to do that
1098 (with a syntax similar to -defsym)?
1099 getopt can't handle two args to an option without kludges. */
1100
1101 /* Enable optimizations of output files. */
1102 link_info.optimize = strtoul (optarg, NULL, 0) != 0;
1103 break;
1104 case 'o':
1105 lang_add_output (optarg, 0);
1106 break;
1107 case OPTION_OFORMAT:
1108 lang_add_output_format (optarg, NULL, NULL, 0);
1109 break;
1110 case OPTION_OUT_IMPLIB:
1111 command_line.out_implib_filename = xstrdup (optarg);
1112 break;
1113 case OPTION_PRINT_SYSROOT:
1114 if (*ld_sysroot)
1115 puts (ld_sysroot);
1116 xexit (0);
1117 break;
1118 case OPTION_PRINT_OUTPUT_FORMAT:
1119 command_line.print_output_format = true;
1120 break;
1121 #if BFD_SUPPORTS_PLUGINS
1122 case OPTION_PLUGIN:
1123 plugin_opt_plugin (optarg);
1124 break;
1125 case OPTION_PLUGIN_OPT:
1126 if (plugin_opt_plugin_arg (optarg))
1127 einfo (_("%F%P: bad -plugin-opt option\n"));
1128 break;
1129 #endif /* BFD_SUPPORTS_PLUGINS */
1130 case 'q':
1131 link_info.emitrelocations = true;
1132 break;
1133 case 'i':
1134 case 'r':
1135 if (optind == last_optind)
1136 /* This can happen if the user put "-rpath,a" on the command
1137 line. (Or something similar. The comma is important).
1138 Getopt becomes confused and thinks that this is a -r option
1139 but it cannot parse the text after the -r so it refuses to
1140 increment the optind counter. Detect this case and issue
1141 an error message here. We cannot just make this a warning,
1142 increment optind, and continue because getopt is too confused
1143 and will seg-fault the next time around. */
1144 einfo(_("%F%P: unrecognised option: %s\n"), argv[optind]);
1145
1146 if (bfd_link_pic (&link_info))
1147 einfo (_("%F%P: -r and %s may not be used together\n"),
1148 bfd_link_dll (&link_info) ? "-shared" : "-pie");
1149
1150 link_info.type = type_relocatable;
1151 config.build_constructors = false;
1152 config.magic_demand_paged = false;
1153 config.text_read_only = false;
1154 input_flags.dynamic = false;
1155 break;
1156 case 'R':
1157 /* The GNU linker traditionally uses -R to mean to include
1158 only the symbols from a file. The Solaris linker uses -R
1159 to set the path used by the runtime linker to find
1160 libraries. This is the GNU linker -rpath argument. We
1161 try to support both simultaneously by checking the file
1162 named. If it is a directory, rather than a regular file,
1163 we assume -rpath was meant. */
1164 {
1165 struct stat s;
1166
1167 if (stat (optarg, &s) >= 0
1168 && ! S_ISDIR (s.st_mode))
1169 {
1170 lang_add_input_file (optarg,
1171 lang_input_file_is_symbols_only_enum,
1172 NULL);
1173 break;
1174 }
1175 }
1176 /* Fall through. */
1177 case OPTION_RPATH:
1178 if (command_line.rpath == NULL)
1179 command_line.rpath = xstrdup (optarg);
1180 else
1181 {
1182 size_t rpath_len = strlen (command_line.rpath);
1183 size_t optarg_len = strlen (optarg);
1184 char *buf;
1185 char *cp = command_line.rpath;
1186
1187 /* First see whether OPTARG is already in the path. */
1188 do
1189 {
1190 if (strncmp (optarg, cp, optarg_len) == 0
1191 && (cp[optarg_len] == 0
1192 || cp[optarg_len] == config.rpath_separator))
1193 /* We found it. */
1194 break;
1195
1196 /* Not yet found. */
1197 cp = strchr (cp, config.rpath_separator);
1198 if (cp != NULL)
1199 ++cp;
1200 }
1201 while (cp != NULL);
1202
1203 if (cp == NULL)
1204 {
1205 buf = (char *) xmalloc (rpath_len + optarg_len + 2);
1206 sprintf (buf, "%s%c%s", command_line.rpath,
1207 config.rpath_separator, optarg);
1208 free (command_line.rpath);
1209 command_line.rpath = buf;
1210 }
1211 }
1212 break;
1213 case OPTION_RPATH_LINK:
1214 if (command_line.rpath_link == NULL)
1215 command_line.rpath_link = xstrdup (optarg);
1216 else
1217 {
1218 char *buf;
1219
1220 buf = (char *) xmalloc (strlen (command_line.rpath_link)
1221 + strlen (optarg)
1222 + 2);
1223 sprintf (buf, "%s%c%s", command_line.rpath_link,
1224 config.rpath_separator, optarg);
1225 free (command_line.rpath_link);
1226 command_line.rpath_link = buf;
1227 }
1228 break;
1229 case OPTION_NO_RELAX:
1230 DISABLE_RELAXATION;
1231 break;
1232 case OPTION_RELAX:
1233 ENABLE_RELAXATION;
1234 break;
1235 case OPTION_RETAIN_SYMBOLS_FILE:
1236 add_keepsyms_file (optarg);
1237 break;
1238 case 'S':
1239 link_info.strip = strip_debugger;
1240 break;
1241 case 's':
1242 link_info.strip = strip_all;
1243 break;
1244 case OPTION_STRIP_DISCARDED:
1245 link_info.strip_discarded = true;
1246 break;
1247 case OPTION_NO_STRIP_DISCARDED:
1248 link_info.strip_discarded = false;
1249 break;
1250 case OPTION_DISABLE_MULTIPLE_DEFS_ABS:
1251 link_info.prohibit_multiple_definition_absolute = true;
1252 break;
1253 case OPTION_SHARED:
1254 if (config.has_shared)
1255 {
1256 if (bfd_link_relocatable (&link_info))
1257 einfo (_("%F%P: -r and %s may not be used together\n"),
1258 "-shared");
1259
1260 link_info.type = type_dll;
1261 /* When creating a shared library, the default
1262 behaviour is to ignore any unresolved references. */
1263 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1264 link_info.unresolved_syms_in_objects = RM_IGNORE;
1265 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1266 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1267 }
1268 else
1269 einfo (_("%F%P: -shared not supported\n"));
1270 break;
1271 case OPTION_NO_PIE:
1272 link_info.type = type_pde;
1273 break;
1274 case OPTION_PIE:
1275 if (config.has_shared)
1276 {
1277 if (bfd_link_relocatable (&link_info))
1278 einfo (_("%F%P: -r and %s may not be used together\n"), "-pie");
1279
1280 link_info.type = type_pie;
1281 }
1282 else
1283 einfo (_("%F%P: -pie not supported\n"));
1284 break;
1285 case 'h': /* Used on Solaris. */
1286 case OPTION_SONAME:
1287 if (optarg[0] == '\0' && command_line.soname
1288 && command_line.soname[0])
1289 einfo (_("%P: SONAME must not be empty string; keeping previous one\n"));
1290 else
1291 command_line.soname = optarg;
1292 break;
1293 case OPTION_SORT_COMMON:
1294 if (optarg == NULL
1295 || strcmp (optarg, N_("descending")) == 0)
1296 config.sort_common = sort_descending;
1297 else if (strcmp (optarg, N_("ascending")) == 0)
1298 config.sort_common = sort_ascending;
1299 else
1300 einfo (_("%F%P: invalid common section sorting option: %s\n"),
1301 optarg);
1302 break;
1303 case OPTION_SORT_SECTION:
1304 if (strcmp (optarg, N_("name")) == 0)
1305 sort_section = by_name;
1306 else if (strcmp (optarg, N_("alignment")) == 0)
1307 sort_section = by_alignment;
1308 else
1309 einfo (_("%F%P: invalid section sorting option: %s\n"),
1310 optarg);
1311 break;
1312 case OPTION_STATS:
1313 config.stats = true;
1314 break;
1315 case OPTION_NO_SYMBOLIC:
1316 opt_symbolic = symbolic_unset;
1317 break;
1318 case OPTION_SYMBOLIC:
1319 opt_symbolic = symbolic;
1320 break;
1321 case OPTION_SYMBOLIC_FUNCTIONS:
1322 opt_symbolic = symbolic_functions;
1323 break;
1324 case 't':
1325 ++trace_files;
1326 break;
1327 case 'T':
1328 previous_script_handle = saved_script_handle;
1329 ldfile_open_script_file (optarg);
1330 parser_input = input_script;
1331 yyparse ();
1332 previous_script_handle = NULL;
1333 break;
1334 case OPTION_DEFAULT_SCRIPT:
1335 command_line.default_script = optarg;
1336 break;
1337 case OPTION_SECTION_START:
1338 {
1339 char *optarg2;
1340 char *sec_name;
1341 int len;
1342
1343 /* Check for <something>=<somthing>... */
1344 optarg2 = strchr (optarg, '=');
1345 if (optarg2 == NULL)
1346 einfo (_("%F%P: invalid argument to option"
1347 " \"--section-start\"\n"));
1348
1349 optarg2++;
1350
1351 /* So far so good. Are all the args present? */
1352 if ((*optarg == '\0') || (*optarg2 == '\0'))
1353 einfo (_("%F%P: missing argument(s) to option"
1354 " \"--section-start\"\n"));
1355
1356 /* We must copy the section name as set_section_start
1357 doesn't do it for us. */
1358 len = optarg2 - optarg;
1359 sec_name = (char *) xmalloc (len);
1360 memcpy (sec_name, optarg, len - 1);
1361 sec_name[len - 1] = 0;
1362
1363 /* Then set it... */
1364 set_section_start (sec_name, optarg2);
1365 }
1366 break;
1367 case OPTION_TARGET_HELP:
1368 /* Mention any target specific options. */
1369 ldemul_list_emulation_options (stdout);
1370 exit (0);
1371 case OPTION_TBSS:
1372 set_segment_start (".bss", optarg);
1373 break;
1374 case OPTION_TDATA:
1375 set_segment_start (".data", optarg);
1376 break;
1377 case OPTION_TTEXT:
1378 set_segment_start (".text", optarg);
1379 break;
1380 case OPTION_TTEXT_SEGMENT:
1381 set_segment_start (".text-segment", optarg);
1382 break;
1383 case OPTION_TRODATA_SEGMENT:
1384 set_segment_start (".rodata-segment", optarg);
1385 break;
1386 case OPTION_TLDATA_SEGMENT:
1387 set_segment_start (".ldata-segment", optarg);
1388 break;
1389 case OPTION_TRADITIONAL_FORMAT:
1390 link_info.traditional_format = true;
1391 break;
1392 case OPTION_TASK_LINK:
1393 link_info.task_link = true;
1394 /* Fall through. */
1395 case OPTION_UR:
1396 if (bfd_link_pic (&link_info))
1397 einfo (_("%F%P: -r and %s may not be used together\n"),
1398 bfd_link_dll (&link_info) ? "-shared" : "-pie");
1399
1400 link_info.type = type_relocatable;
1401 config.build_constructors = true;
1402 config.magic_demand_paged = false;
1403 config.text_read_only = false;
1404 input_flags.dynamic = false;
1405 break;
1406 case 'u':
1407 ldlang_add_undef (optarg, true);
1408 break;
1409 case OPTION_REQUIRE_DEFINED_SYMBOL:
1410 ldlang_add_require_defined (optarg);
1411 break;
1412 case OPTION_UNIQUE:
1413 if (optarg != NULL)
1414 lang_add_unique (optarg);
1415 else
1416 config.unique_orphan_sections = true;
1417 break;
1418 case OPTION_VERBOSE:
1419 ldversion (1);
1420 version_printed = true;
1421 verbose = true;
1422 overflow_cutoff_limit = -2;
1423 if (optarg != NULL)
1424 {
1425 char *end;
1426 int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
1427 if (*end)
1428 einfo (_("%F%P: invalid number `%s'\n"), optarg);
1429 #if BFD_SUPPORTS_PLUGINS
1430 report_plugin_symbols = level > 1;
1431 #endif /* BFD_SUPPORTS_PLUGINS */
1432 }
1433 break;
1434 case 'v':
1435 ldversion (0);
1436 version_printed = true;
1437 break;
1438 case 'V':
1439 ldversion (1);
1440 version_printed = true;
1441 break;
1442 case OPTION_VERSION:
1443 ldversion (2);
1444 xexit (0);
1445 break;
1446 case OPTION_VERSION_SCRIPT:
1447 /* This option indicates a small script that only specifies
1448 version information. Read it, but don't assume that
1449 we've seen a linker script. */
1450 {
1451 FILE *hold_script_handle;
1452
1453 hold_script_handle = saved_script_handle;
1454 ldfile_open_command_file (optarg);
1455 saved_script_handle = hold_script_handle;
1456 parser_input = input_version_script;
1457 yyparse ();
1458 }
1459 break;
1460 case OPTION_VERSION_EXPORTS_SECTION:
1461 /* This option records a version symbol to be applied to the
1462 symbols listed for export to be found in the object files
1463 .exports sections. */
1464 command_line.version_exports_section = optarg;
1465 break;
1466 case OPTION_DYNAMIC_LIST_DATA:
1467 opt_dynamic_list = dynamic_list_data;
1468 break;
1469 case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1470 lang_append_dynamic_list_cpp_typeinfo ();
1471 if (opt_dynamic_list != dynamic_list_data)
1472 opt_dynamic_list = dynamic_list;
1473 break;
1474 case OPTION_DYNAMIC_LIST_CPP_NEW:
1475 lang_append_dynamic_list_cpp_new ();
1476 if (opt_dynamic_list != dynamic_list_data)
1477 opt_dynamic_list = dynamic_list;
1478 break;
1479 case OPTION_DYNAMIC_LIST:
1480 /* This option indicates a small script that only specifies
1481 a dynamic list. Read it, but don't assume that we've
1482 seen a linker script. */
1483 {
1484 FILE *hold_script_handle;
1485
1486 hold_script_handle = saved_script_handle;
1487 ldfile_open_command_file (optarg);
1488 saved_script_handle = hold_script_handle;
1489 parser_input = input_dynamic_list;
1490 current_dynamic_list_p = &link_info.dynamic_list;
1491 yyparse ();
1492 }
1493 if (opt_dynamic_list != dynamic_list_data)
1494 opt_dynamic_list = dynamic_list;
1495 break;
1496 case OPTION_EXPORT_DYNAMIC_SYMBOL:
1497 {
1498 struct bfd_elf_version_expr *expr
1499 = lang_new_vers_pattern (NULL, xstrdup (optarg), NULL,
1500 false);
1501 lang_append_dynamic_list (&export_list, expr);
1502 }
1503 break;
1504 case OPTION_EXPORT_DYNAMIC_SYMBOL_LIST:
1505 /* This option indicates a small script that only specifies
1506 an export list. Read it, but don't assume that we've
1507 seen a linker script. */
1508 {
1509 FILE *hold_script_handle;
1510
1511 hold_script_handle = saved_script_handle;
1512 ldfile_open_command_file (optarg);
1513 saved_script_handle = hold_script_handle;
1514 parser_input = input_dynamic_list;
1515 current_dynamic_list_p = &export_list;
1516 yyparse ();
1517 }
1518 break;
1519 case OPTION_WARN_COMMON:
1520 config.warn_common = true;
1521 break;
1522 case OPTION_WARN_CONSTRUCTORS:
1523 config.warn_constructors = true;
1524 break;
1525 case OPTION_WARN_FATAL:
1526 config.fatal_warnings = true;
1527 break;
1528 case OPTION_NO_WARN_FATAL:
1529 config.fatal_warnings = false;
1530 break;
1531 case OPTION_WARN_MULTIPLE_GP:
1532 config.warn_multiple_gp = true;
1533 break;
1534 case OPTION_WARN_ONCE:
1535 config.warn_once = true;
1536 break;
1537 case OPTION_WARN_SECTION_ALIGN:
1538 config.warn_section_align = true;
1539 break;
1540 case OPTION_WARN_TEXTREL:
1541 link_info.textrel_check = textrel_check_warning;
1542 break;
1543 case OPTION_WARN_ALTERNATE_EM:
1544 link_info.warn_alternate_em = true;
1545 break;
1546 case OPTION_WHOLE_ARCHIVE:
1547 input_flags.whole_archive = true;
1548 break;
1549 case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
1550 input_flags.add_DT_NEEDED_for_dynamic = true;
1551 break;
1552 case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
1553 input_flags.add_DT_NEEDED_for_dynamic = false;
1554 break;
1555 case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
1556 input_flags.add_DT_NEEDED_for_regular = true;
1557 break;
1558 case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
1559 input_flags.add_DT_NEEDED_for_regular = false;
1560 break;
1561 case OPTION_WRAP:
1562 add_wrap (optarg);
1563 break;
1564 case OPTION_IGNORE_UNRESOLVED_SYMBOL:
1565 add_ignoresym (&link_info, optarg);
1566 break;
1567 case OPTION_DISCARD_NONE:
1568 link_info.discard = discard_none;
1569 break;
1570 case 'X':
1571 link_info.discard = discard_l;
1572 break;
1573 case 'x':
1574 link_info.discard = discard_all;
1575 break;
1576 case 'Y':
1577 if (startswith (optarg, "P,"))
1578 optarg += 2;
1579 free (default_dirlist);
1580 default_dirlist = xstrdup (optarg);
1581 break;
1582 case 'y':
1583 add_ysym (optarg);
1584 break;
1585 case OPTION_SPARE_DYNAMIC_TAGS:
1586 link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1587 break;
1588 case OPTION_SPLIT_BY_RELOC:
1589 if (optarg != NULL)
1590 config.split_by_reloc = strtoul (optarg, NULL, 0);
1591 else
1592 config.split_by_reloc = 32768;
1593 break;
1594 case OPTION_SPLIT_BY_FILE:
1595 if (optarg != NULL)
1596 config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1597 else
1598 config.split_by_file = 1;
1599 break;
1600 case OPTION_CHECK_SECTIONS:
1601 command_line.check_section_addresses = 1;
1602 break;
1603 case OPTION_NO_CHECK_SECTIONS:
1604 command_line.check_section_addresses = 0;
1605 break;
1606 case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1607 command_line.accept_unknown_input_arch = true;
1608 break;
1609 case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1610 command_line.accept_unknown_input_arch = false;
1611 break;
1612 case '(':
1613 lang_enter_group ();
1614 ingroup++;
1615 break;
1616 case ')':
1617 if (! ingroup)
1618 einfo (_("%F%P: group ended before it began (--help for usage)\n"));
1619
1620 lang_leave_group ();
1621 ingroup--;
1622 break;
1623
1624 case OPTION_INIT:
1625 link_info.init_function = optarg;
1626 break;
1627
1628 case OPTION_FINI:
1629 link_info.fini_function = optarg;
1630 break;
1631
1632 case OPTION_REDUCE_MEMORY_OVERHEADS:
1633 link_info.reduce_memory_overheads = true;
1634 if (config.hash_table_size == 0)
1635 config.hash_table_size = 1021;
1636 break;
1637
1638 case OPTION_MAX_CACHE_SIZE:
1639 {
1640 char *end;
1641 bfd_size_type cache_size = strtoul (optarg, &end, 0);
1642 if (*end != '\0')
1643 einfo (_("%F%P: invalid cache memory size: %s\n"),
1644 optarg);
1645 link_info.max_cache_size = cache_size;
1646 }
1647 break;
1648
1649 case OPTION_HASH_SIZE:
1650 {
1651 bfd_size_type new_size;
1652
1653 new_size = strtoul (optarg, NULL, 0);
1654 if (new_size)
1655 config.hash_table_size = new_size;
1656 else
1657 einfo (_("%X%P: --hash-size needs a numeric argument\n"));
1658 }
1659 break;
1660
1661 case OPTION_PUSH_STATE:
1662 input_flags.pushed = xmemdup (&input_flags,
1663 sizeof (input_flags),
1664 sizeof (input_flags));
1665 break;
1666
1667 case OPTION_POP_STATE:
1668 if (input_flags.pushed == NULL)
1669 einfo (_("%F%P: no state pushed before popping\n"));
1670 else
1671 {
1672 struct lang_input_statement_flags *oldp = input_flags.pushed;
1673 memcpy (&input_flags, oldp, sizeof (input_flags));
1674 free (oldp);
1675 }
1676 break;
1677
1678 case OPTION_PRINT_MEMORY_USAGE:
1679 command_line.print_memory_usage = true;
1680 break;
1681
1682 case OPTION_ORPHAN_HANDLING:
1683 if (strcasecmp (optarg, "place") == 0)
1684 config.orphan_handling = orphan_handling_place;
1685 else if (strcasecmp (optarg, "warn") == 0)
1686 config.orphan_handling = orphan_handling_warn;
1687 else if (strcasecmp (optarg, "error") == 0)
1688 config.orphan_handling = orphan_handling_error;
1689 else if (strcasecmp (optarg, "discard") == 0)
1690 config.orphan_handling = orphan_handling_discard;
1691 else
1692 einfo (_("%F%P: invalid argument to option"
1693 " \"--orphan-handling\"\n"));
1694 break;
1695
1696 case OPTION_NO_PRINT_MAP_DISCARDED:
1697 config.print_map_discarded = false;
1698 break;
1699
1700 case OPTION_PRINT_MAP_DISCARDED:
1701 config.print_map_discarded = true;
1702 break;
1703
1704 case OPTION_DEPENDENCY_FILE:
1705 config.dependency_file = optarg;
1706 break;
1707
1708 case OPTION_CTF_VARIABLES:
1709 config.ctf_variables = true;
1710 break;
1711
1712 case OPTION_NO_CTF_VARIABLES:
1713 config.ctf_variables = false;
1714 break;
1715
1716 case OPTION_CTF_SHARE_TYPES:
1717 if (strcmp (optarg, "share-unconflicted") == 0)
1718 config.ctf_share_duplicated = false;
1719 else if (strcmp (optarg, "share-duplicated") == 0)
1720 config.ctf_share_duplicated = true;
1721 else
1722 einfo (_("%F%P: bad --ctf-share-types option: %s\n"), optarg);
1723 break;
1724 }
1725 }
1726
1727 free (really_longopts);
1728 free (longopts);
1729 free (shortopts);
1730
1731 /* Run a couple of checks on the map filename. */
1732 if (config.map_filename)
1733 {
1734 char * new_name = NULL;
1735 char * percent;
1736 int res = 0;
1737
1738 if (config.map_filename[0] == 0)
1739 {
1740 einfo (_("%P: no file/directory name provided for map output; ignored\n"));
1741 config.map_filename = NULL;
1742 }
1743 else if (strcmp (config.map_filename, "-") == 0)
1744 ; /* Write to stdout. Handled in main(). */
1745 else if ((percent = strchr (config.map_filename, '%')) != NULL)
1746 {
1747 /* FIXME: Check for a second % character and issue an error ? */
1748
1749 /* Construct a map file by replacing the % character with the (full)
1750 output filename. If the % character was the last character in
1751 the original map filename then add a .map extension. */
1752 percent[0] = 0;
1753 res = asprintf (&new_name, "%s%s%s", config.map_filename,
1754 output_filename,
1755 percent[1] ? percent + 1 : ".map");
1756
1757 /* FIXME: Should we ensure that any directory components in new_name exist ? */
1758 }
1759 else
1760 {
1761 struct stat s;
1762
1763 /* If the map filename is actually a directory then create
1764 a file inside it, based upon the output filename. */
1765 if (stat (config.map_filename, &s) < 0)
1766 {
1767 if (errno != ENOENT)
1768 einfo (_("%P: cannot stat linker map file: %E\n"));
1769 }
1770 else if (S_ISDIR (s.st_mode))
1771 {
1772 char lastc = config.map_filename[strlen (config.map_filename) - 1];
1773 res = asprintf (&new_name, "%s%s%s.map",
1774 config.map_filename,
1775 IS_DIR_SEPARATOR (lastc) ? "" : "/",
1776 lbasename (output_filename));
1777 }
1778 else if (! S_ISREG (s.st_mode))
1779 {
1780 einfo (_("%P: linker map file is not a regular file\n"));
1781 config.map_filename = NULL;
1782 }
1783 /* else FIXME: Check write permission ? */
1784 }
1785
1786 if (res < 0)
1787 {
1788 /* If the asprintf failed then something is probably very
1789 wrong. Better to halt now rather than continue on
1790 into more problems. */
1791 einfo (_("%P%F: cannot create name for linker map file: %E\n"));
1792 }
1793 else if (new_name != NULL)
1794 {
1795 /* This is a trivial memory leak. */
1796 config.map_filename = new_name;
1797 }
1798 }
1799
1800 if (command_line.soname && command_line.soname[0] == '\0')
1801 {
1802 einfo (_("%P: SONAME must not be empty string; ignored\n"));
1803 command_line.soname = NULL;
1804 }
1805
1806 while (ingroup)
1807 {
1808 einfo (_("%P: missing --end-group; added as last command line option\n"));
1809 lang_leave_group ();
1810 ingroup--;
1811 }
1812
1813 if (default_dirlist != NULL)
1814 {
1815 set_default_dirlist (default_dirlist);
1816 free (default_dirlist);
1817 }
1818
1819 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1820 /* FIXME: Should we allow emulations a chance to set this ? */
1821 link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
1822
1823 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1824 /* FIXME: Should we allow emulations a chance to set this ? */
1825 link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
1826
1827 if (bfd_link_relocatable (&link_info)
1828 && command_line.check_section_addresses < 0)
1829 command_line.check_section_addresses = 0;
1830
1831 if (export_list)
1832 {
1833 struct bfd_elf_version_expr *head = export_list->head.list;
1834 struct bfd_elf_version_expr *next;
1835
1836 /* For --export-dynamic-symbol[-list]:
1837 1. When building executable, treat like --dynamic-list.
1838 2. When building shared object:
1839 a. If -Bsymbolic or --dynamic-list are used, treat like
1840 --dynamic-list.
1841 b. Otherwise, ignored.
1842 */
1843 if (!bfd_link_relocatable (&link_info)
1844 && (bfd_link_executable (&link_info)
1845 || opt_symbolic != symbolic_unset
1846 || opt_dynamic_list != dynamic_list_unset))
1847 {
1848 /* Append the export list to link_info.dynamic_list. */
1849 if (link_info.dynamic_list)
1850 {
1851 for (next = head; next->next != NULL; next = next->next)
1852 ;
1853 next->next = link_info.dynamic_list->head.list;
1854 link_info.dynamic_list->head.list = head;
1855 }
1856 else
1857 link_info.dynamic_list = export_list;
1858
1859 if (opt_dynamic_list != dynamic_list_data)
1860 opt_dynamic_list = dynamic_list;
1861 }
1862 else
1863 {
1864 /* Free the export list. */
1865 for (; head->next != NULL; head = next)
1866 {
1867 next = head->next;
1868 free (head);
1869 }
1870 free (export_list);
1871 }
1872 }
1873
1874 switch (opt_dynamic_list)
1875 {
1876 case dynamic_list_unset:
1877 break;
1878 case dynamic_list_data:
1879 link_info.dynamic_data = true;
1880 /* Fall through. */
1881 case dynamic_list:
1882 link_info.dynamic = true;
1883 opt_symbolic = symbolic_unset;
1884 break;
1885 }
1886
1887 /* -Bsymbolic and -Bsymbols-functions are for shared library output. */
1888 if (bfd_link_dll (&link_info))
1889 switch (opt_symbolic)
1890 {
1891 case symbolic_unset:
1892 break;
1893 case symbolic:
1894 link_info.symbolic = true;
1895 if (link_info.dynamic_list)
1896 {
1897 struct bfd_elf_version_expr *ent, *next;
1898 for (ent = link_info.dynamic_list->head.list; ent; ent = next)
1899 {
1900 next = ent->next;
1901 free (ent);
1902 }
1903 free (link_info.dynamic_list);
1904 link_info.dynamic_list = NULL;
1905 }
1906 break;
1907 case symbolic_functions:
1908 link_info.dynamic = true;
1909 link_info.dynamic_data = true;
1910 break;
1911 }
1912
1913 if (!bfd_link_dll (&link_info))
1914 {
1915 if (command_line.filter_shlib)
1916 einfo (_("%F%P: -F may not be used without -shared\n"));
1917 if (command_line.auxiliary_filters)
1918 einfo (_("%F%P: -f may not be used without -shared\n"));
1919 }
1920
1921 /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I
1922 don't see how else this can be handled, since in this case we
1923 must preserve all externally visible symbols. */
1924 if (bfd_link_relocatable (&link_info) && link_info.strip == strip_all)
1925 {
1926 link_info.strip = strip_debugger;
1927 if (link_info.discard == discard_sec_merge)
1928 link_info.discard = discard_all;
1929 }
1930 }
1931
1932 /* Add the (colon-separated) elements of DIRLIST_PTR to the
1933 library search path. */
1934
1935 static void
1936 set_default_dirlist (char *dirlist_ptr)
1937 {
1938 char *p;
1939
1940 while (1)
1941 {
1942 p = strchr (dirlist_ptr, PATH_SEPARATOR);
1943 if (p != NULL)
1944 *p = '\0';
1945 if (*dirlist_ptr != '\0')
1946 ldfile_add_library_path (dirlist_ptr, true);
1947 if (p == NULL)
1948 break;
1949 dirlist_ptr = p + 1;
1950 }
1951 }
1952
1953 static void
1954 set_section_start (char *sect, char *valstr)
1955 {
1956 const char *end;
1957 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1958 if (*end)
1959 einfo (_("%F%P: invalid hex number `%s'\n"), valstr);
1960 lang_section_start (sect, exp_intop (val), NULL);
1961 }
1962
1963 static void
1964 set_segment_start (const char *section, char *valstr)
1965 {
1966 const char *name;
1967 const char *end;
1968 segment_type *seg;
1969
1970 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1971 if (*end)
1972 einfo (_("%F%P: invalid hex number `%s'\n"), valstr);
1973 /* If we already have an entry for this segment, update the existing
1974 value. */
1975 name = section + 1;
1976 for (seg = segments; seg; seg = seg->next)
1977 if (strcmp (seg->name, name) == 0)
1978 {
1979 seg->value = val;
1980 lang_section_start (section, exp_intop (val), seg);
1981 return;
1982 }
1983 /* There was no existing value so we must create a new segment
1984 entry. */
1985 seg = stat_alloc (sizeof (*seg));
1986 seg->name = name;
1987 seg->value = val;
1988 seg->used = false;
1989 /* Add it to the linked list of segments. */
1990 seg->next = segments;
1991 segments = seg;
1992 /* Historically, -Ttext and friends set the base address of a
1993 particular section. For backwards compatibility, we still do
1994 that. If a SEGMENT_START directive is seen, the section address
1995 assignment will be disabled. */
1996 lang_section_start (section, exp_intop (val), seg);
1997 }
1998
1999 static void
2000 elf_shlib_list_options (FILE *file)
2001 {
2002 fprintf (file, _("\
2003 --audit=AUDITLIB Specify a library to use for auditing\n"));
2004 fprintf (file, _("\
2005 -Bgroup Selects group name lookup rules for DSO\n"));
2006 fprintf (file, _("\
2007 --disable-new-dtags Disable new dynamic tags\n"));
2008 fprintf (file, _("\
2009 --enable-new-dtags Enable new dynamic tags\n"));
2010 fprintf (file, _("\
2011 --eh-frame-hdr Create .eh_frame_hdr section\n"));
2012 fprintf (file, _("\
2013 --no-eh-frame-hdr Do not create .eh_frame_hdr section\n"));
2014 fprintf (file, _("\
2015 --exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
2016 fprintf (file, _("\
2017 --hash-style=STYLE Set hash style to sysv/gnu/both. Default: "));
2018 if (DEFAULT_EMIT_SYSV_HASH)
2019 {
2020 /* Note - these strings are not translated as
2021 they are keywords not descriptive text. */
2022 if (DEFAULT_EMIT_GNU_HASH)
2023 fprintf (file, "both\n");
2024 else
2025 fprintf (file, "sysv\n");
2026 }
2027 else
2028 {
2029 if (DEFAULT_EMIT_GNU_HASH)
2030 fprintf (file, "gnu\n");
2031 else
2032 /* FIXME: Can this happen ? */
2033 fprintf (file, "none\n");
2034 }
2035 fprintf (file, _("\
2036 -P AUDITLIB, --depaudit=AUDITLIB\n" "\
2037 Specify a library to use for auditing dependencies\n"));
2038 fprintf (file, _("\
2039 -z combreloc Merge dynamic relocs into one section and sort\n"));
2040 fprintf (file, _("\
2041 -z nocombreloc Don't merge dynamic relocs into one section\n"));
2042 fprintf (file, _("\
2043 -z global Make symbols in DSO available for subsequently\n\
2044 loaded objects\n"));
2045 fprintf (file, _("\
2046 -z initfirst Mark DSO to be initialized first at runtime\n"));
2047 fprintf (file, _("\
2048 -z interpose Mark object to interpose all DSOs but executable\n"));
2049 fprintf (file, _("\
2050 -z unique Mark DSO to be loaded at most once by default, and only in the main namespace\n"));
2051 fprintf (file, _("\
2052 -z nounique Don't mark DSO as a loadable at most once\n"));
2053 fprintf (file, _("\
2054 -z lazy Mark object lazy runtime binding (default)\n"));
2055 fprintf (file, _("\
2056 -z loadfltr Mark object requiring immediate process\n"));
2057 fprintf (file, _("\
2058 -z nocopyreloc Don't create copy relocs\n"));
2059 fprintf (file, _("\
2060 -z nodefaultlib Mark object not to use default search paths\n"));
2061 fprintf (file, _("\
2062 -z nodelete Mark DSO non-deletable at runtime\n"));
2063 fprintf (file, _("\
2064 -z nodlopen Mark DSO not available to dlopen\n"));
2065 fprintf (file, _("\
2066 -z nodump Mark DSO not available to dldump\n"));
2067 fprintf (file, _("\
2068 -z now Mark object non-lazy runtime binding\n"));
2069 fprintf (file, _("\
2070 -z origin Mark object requiring immediate $ORIGIN\n\
2071 processing at runtime\n"));
2072 #if DEFAULT_LD_Z_RELRO
2073 fprintf (file, _("\
2074 -z relro Create RELRO program header (default)\n"));
2075 fprintf (file, _("\
2076 -z norelro Don't create RELRO program header\n"));
2077 #else
2078 fprintf (file, _("\
2079 -z relro Create RELRO program header\n"));
2080 fprintf (file, _("\
2081 -z norelro Don't create RELRO program header (default)\n"));
2082 #endif
2083 #if DEFAULT_LD_Z_SEPARATE_CODE
2084 fprintf (file, _("\
2085 -z separate-code Create separate code program header (default)\n"));
2086 fprintf (file, _("\
2087 -z noseparate-code Don't create separate code program header\n"));
2088 #else
2089 fprintf (file, _("\
2090 -z separate-code Create separate code program header\n"));
2091 fprintf (file, _("\
2092 -z noseparate-code Don't create separate code program header (default)\n"));
2093 #endif
2094 fprintf (file, _("\
2095 -z common Generate common symbols with STT_COMMON type\n"));
2096 fprintf (file, _("\
2097 -z nocommon Generate common symbols with STT_OBJECT type\n"));
2098 if (link_info.textrel_check == textrel_check_error)
2099 fprintf (file, _("\
2100 -z text Treat DT_TEXTREL in output as error (default)\n"));
2101 else
2102 fprintf (file, _("\
2103 -z text Treat DT_TEXTREL in output as error\n"));
2104 if (link_info.textrel_check == textrel_check_none)
2105 {
2106 fprintf (file, _("\
2107 -z notext Don't treat DT_TEXTREL in output as error (default)\n"));
2108 fprintf (file, _("\
2109 -z textoff Don't treat DT_TEXTREL in output as error (default)\n"));
2110 }
2111 else
2112 {
2113 fprintf (file, _("\
2114 -z notext Don't treat DT_TEXTREL in output as error\n"));
2115 fprintf (file, _("\
2116 -z textoff Don't treat DT_TEXTREL in output as error\n"));
2117 }
2118 }
2119
2120 static void
2121 elf_static_list_options (FILE *file)
2122 {
2123 fprintf (file, _("\
2124 --build-id[=STYLE] Generate build ID note\n"));
2125 fprintf (file, _("\
2126 --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]\n\
2127 Compress DWARF debug sections using zlib\n"));
2128 #ifdef DEFAULT_FLAG_COMPRESS_DEBUG
2129 fprintf (file, _("\
2130 Default: zlib-gabi\n"));
2131 #else
2132 fprintf (file, _("\
2133 Default: none\n"));
2134 #endif
2135 fprintf (file, _("\
2136 -z common-page-size=SIZE Set common page size to SIZE\n"));
2137 fprintf (file, _("\
2138 -z max-page-size=SIZE Set maximum page size to SIZE\n"));
2139 fprintf (file, _("\
2140 -z defs Report unresolved symbols in object files\n"));
2141 fprintf (file, _("\
2142 -z undefs Ignore unresolved symbols in object files\n"));
2143 fprintf (file, _("\
2144 -z muldefs Allow multiple definitions\n"));
2145 fprintf (file, _("\
2146 -z stack-size=SIZE Set size of stack segment\n"));
2147 fprintf (file, _("\
2148 -z execstack Mark executable as requiring executable stack\n"));
2149 fprintf (file, _("\
2150 -z noexecstack Mark executable as not requiring executable stack\n"));
2151 fprintf (file, _("\
2152 -z unique-symbol Avoid duplicated local symbol names\n"));
2153 fprintf (file, _("\
2154 -z nounique-symbol Keep duplicated local symbol names (default)\n"));
2155 fprintf (file, _("\
2156 -z globalaudit Mark executable requiring global auditing\n"));
2157 fprintf (file, _("\
2158 -z start-stop-gc Enable garbage collection on __start/__stop\n"));
2159 fprintf (file, _("\
2160 -z nostart-stop-gc Don't garbage collect __start/__stop (default)\n"));
2161 fprintf (file, _("\
2162 -z start-stop-visibility=V Set visibility of built-in __start/__stop symbols\n\
2163 to DEFAULT, PROTECTED, HIDDEN or INTERNAL\n"));
2164 }
2165
2166 static void
2167 elf_plt_unwind_list_options (FILE *file)
2168 {
2169 fprintf (file, _("\
2170 --ld-generated-unwind-info Generate exception handling info for PLT\n"));
2171 fprintf (file, _("\
2172 --no-ld-generated-unwind-info\n\
2173 Don't generate exception handling info for PLT\n"));
2174 }
2175
2176 static void
2177 ld_list_options (FILE *file, bool elf, bool shlib, bool plt_unwind)
2178 {
2179 if (!elf)
2180 return;
2181 printf (_("ELF emulations:\n"));
2182 if (plt_unwind)
2183 elf_plt_unwind_list_options (file);
2184 elf_static_list_options (file);
2185 if (shlib)
2186 elf_shlib_list_options (file);
2187 }
2188
2189 \f
2190 /* Print help messages for the options. */
2191
2192 static void
2193 help (void)
2194 {
2195 unsigned i;
2196 const char **targets, **pp;
2197 int len;
2198
2199 printf (_("Usage: %s [options] file...\n"), program_name);
2200
2201 printf (_("Options:\n"));
2202 for (i = 0; i < OPTION_COUNT; i++)
2203 {
2204 if (ld_options[i].doc != NULL)
2205 {
2206 bool comma;
2207 unsigned j;
2208
2209 printf (" ");
2210
2211 comma = false;
2212 len = 2;
2213
2214 j = i;
2215 do
2216 {
2217 if (ld_options[j].shortopt != '\0'
2218 && ld_options[j].control != NO_HELP)
2219 {
2220 printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
2221 len += (comma ? 2 : 0) + 2;
2222 if (ld_options[j].arg != NULL)
2223 {
2224 if (ld_options[j].opt.has_arg != optional_argument)
2225 {
2226 printf (" ");
2227 ++len;
2228 }
2229 printf ("%s", _(ld_options[j].arg));
2230 len += strlen (_(ld_options[j].arg));
2231 }
2232 comma = true;
2233 }
2234 ++j;
2235 }
2236 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
2237
2238 j = i;
2239 do
2240 {
2241 if (ld_options[j].opt.name != NULL
2242 && ld_options[j].control != NO_HELP)
2243 {
2244 int two_dashes =
2245 (ld_options[j].control == TWO_DASHES
2246 || ld_options[j].control == EXACTLY_TWO_DASHES);
2247
2248 printf ("%s-%s%s",
2249 comma ? ", " : "",
2250 two_dashes ? "-" : "",
2251 ld_options[j].opt.name);
2252 len += ((comma ? 2 : 0)
2253 + 1
2254 + (two_dashes ? 1 : 0)
2255 + strlen (ld_options[j].opt.name));
2256 if (ld_options[j].arg != NULL)
2257 {
2258 printf (" %s", _(ld_options[j].arg));
2259 len += 1 + strlen (_(ld_options[j].arg));
2260 }
2261 comma = true;
2262 }
2263 ++j;
2264 }
2265 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
2266
2267 if (len >= 30)
2268 {
2269 printf ("\n");
2270 len = 0;
2271 }
2272
2273 for (; len < 30; len++)
2274 putchar (' ');
2275
2276 printf ("%s\n", _(ld_options[i].doc));
2277 }
2278 }
2279 printf (_(" @FILE"));
2280 for (len = strlen (" @FILE"); len < 30; len++)
2281 putchar (' ');
2282 printf (_("Read options from FILE\n"));
2283
2284 /* Note: Various tools (such as libtool) depend upon the
2285 format of the listings below - do not change them. */
2286 /* xgettext:c-format */
2287 printf (_("%s: supported targets:"), program_name);
2288 targets = bfd_target_list ();
2289 for (pp = targets; *pp != NULL; pp++)
2290 printf (" %s", *pp);
2291 free (targets);
2292 printf ("\n");
2293
2294 /* xgettext:c-format */
2295 printf (_("%s: supported emulations: "), program_name);
2296 ldemul_list_emulations (stdout);
2297 printf ("\n");
2298
2299 /* xgettext:c-format */
2300 printf (_("%s: emulation specific options:\n"), program_name);
2301 ld_list_options (stdout, ELF_LIST_OPTIONS, ELF_SHLIB_LIST_OPTIONS,
2302 ELF_PLT_UNWIND_LIST_OPTIONS);
2303 ldemul_list_emulation_options (stdout);
2304 printf ("\n");
2305
2306 if (REPORT_BUGS_TO[0])
2307 printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
2308 }