Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Parse options for the GNU linker. |
a2b64bed | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
aef6203b | 3 | 2001, 2002, 2003, 2004, 2005 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
53b2a62f | 6 | This file is part of GLD, the Gnu Linker. |
252b5132 | 7 | |
53b2a62f NC |
8 | GLD is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
252b5132 | 12 | |
53b2a62f NC |
13 | GLD 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. | |
252b5132 | 17 | |
53b2a62f NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with GLD; see the file COPYING. If not, write to the Free | |
75be928b NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 | 22 | |
34875e64 | 23 | #include "config.h" |
252b5132 RH |
24 | #include "bfd.h" |
25 | #include "sysdep.h" | |
26 | #include "libiberty.h" | |
27 | #include <stdio.h> | |
28 | #include <string.h> | |
3882b010 | 29 | #include "safe-ctype.h" |
252b5132 RH |
30 | #include "getopt.h" |
31 | #include "bfdlink.h" | |
32 | #include "ld.h" | |
33 | #include "ldmain.h" | |
34 | #include "ldmisc.h" | |
35 | #include "ldexp.h" | |
36 | #include "ldlang.h" | |
df2a7313 | 37 | #include <ldgram.h> |
252b5132 RH |
38 | #include "ldlex.h" |
39 | #include "ldfile.h" | |
40 | #include "ldver.h" | |
41 | #include "ldemul.h" | |
28c309a2 | 42 | #include "demangle.h" |
252b5132 RH |
43 | |
44 | #ifndef PATH_SEPARATOR | |
45 | #if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__)) | |
46 | #define PATH_SEPARATOR ';' | |
47 | #else | |
48 | #define PATH_SEPARATOR ':' | |
49 | #endif | |
50 | #endif | |
51 | ||
5cc18311 | 52 | /* Somewhere above, sys/stat.h got included . . . . */ |
252b5132 RH |
53 | #if !defined(S_ISDIR) && defined(S_IFDIR) |
54 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
55 | #endif | |
56 | ||
1579bae1 AM |
57 | static void set_default_dirlist (char *); |
58 | static void set_section_start (char *, char *); | |
ba916c8a | 59 | static void set_segment_start (const char *, char *); |
1579bae1 | 60 | static void help (void); |
252b5132 RH |
61 | |
62 | /* Non-zero if we are processing a --defsym from the command line. */ | |
63 | int parsing_defsym = 0; | |
64 | ||
65 | /* Codes used for the long options with no short synonyms. 150 isn't | |
66 | special; it's just an arbitrary non-ASCII char value. */ | |
560e09e9 NC |
67 | enum option_values |
68 | { | |
69 | OPTION_ASSERT = 150, | |
70 | OPTION_CALL_SHARED, | |
71 | OPTION_CREF, | |
72 | OPTION_DEFSYM, | |
73 | OPTION_DEMANGLE, | |
74 | OPTION_DYNAMIC_LINKER, | |
e2243057 | 75 | OPTION_SYSROOT, |
560e09e9 NC |
76 | OPTION_EB, |
77 | OPTION_EL, | |
78 | OPTION_EMBEDDED_RELOCS, | |
79 | OPTION_EXPORT_DYNAMIC, | |
80 | OPTION_HELP, | |
81 | OPTION_IGNORE, | |
82 | OPTION_MAP, | |
83 | OPTION_NO_DEMANGLE, | |
84 | OPTION_NO_KEEP_MEMORY, | |
85 | OPTION_NO_WARN_MISMATCH, | |
86 | OPTION_NOINHIBIT_EXEC, | |
87 | OPTION_NON_SHARED, | |
88 | OPTION_NO_WHOLE_ARCHIVE, | |
89 | OPTION_OFORMAT, | |
90 | OPTION_RELAX, | |
91 | OPTION_RETAIN_SYMBOLS_FILE, | |
92 | OPTION_RPATH, | |
93 | OPTION_RPATH_LINK, | |
94 | OPTION_SHARED, | |
95 | OPTION_SONAME, | |
96 | OPTION_SORT_COMMON, | |
bcaa7b3e | 97 | OPTION_SORT_SECTION, |
560e09e9 NC |
98 | OPTION_STATS, |
99 | OPTION_SYMBOLIC, | |
100 | OPTION_TASK_LINK, | |
101 | OPTION_TBSS, | |
102 | OPTION_TDATA, | |
103 | OPTION_TTEXT, | |
104 | OPTION_TRADITIONAL_FORMAT, | |
105 | OPTION_UR, | |
106 | OPTION_VERBOSE, | |
107 | OPTION_VERSION, | |
108 | OPTION_VERSION_SCRIPT, | |
109 | OPTION_VERSION_EXPORTS_SECTION, | |
55255dae L |
110 | OPTION_DYNAMIC_LIST, |
111 | OPTION_DYNAMIC_LIST_CPP_TYPEINFO, | |
560e09e9 NC |
112 | OPTION_WARN_COMMON, |
113 | OPTION_WARN_CONSTRUCTORS, | |
114 | OPTION_WARN_FATAL, | |
115 | OPTION_WARN_MULTIPLE_GP, | |
116 | OPTION_WARN_ONCE, | |
117 | OPTION_WARN_SECTION_ALIGN, | |
118 | OPTION_SPLIT_BY_RELOC, | |
119 | OPTION_SPLIT_BY_FILE , | |
120 | OPTION_WHOLE_ARCHIVE, | |
e56f61be L |
121 | OPTION_ADD_NEEDED, |
122 | OPTION_NO_ADD_NEEDED, | |
4a43e768 AM |
123 | OPTION_AS_NEEDED, |
124 | OPTION_NO_AS_NEEDED, | |
560e09e9 NC |
125 | OPTION_WRAP, |
126 | OPTION_FORCE_EXE_SUFFIX, | |
127 | OPTION_GC_SECTIONS, | |
128 | OPTION_NO_GC_SECTIONS, | |
c17d87de NC |
129 | OPTION_PRINT_GC_SECTIONS, |
130 | OPTION_NO_PRINT_GC_SECTIONS, | |
2d643429 | 131 | OPTION_HASH_SIZE, |
560e09e9 NC |
132 | OPTION_CHECK_SECTIONS, |
133 | OPTION_NO_CHECK_SECTIONS, | |
560e09e9 NC |
134 | OPTION_NO_UNDEFINED, |
135 | OPTION_INIT, | |
136 | OPTION_FINI, | |
137 | OPTION_SECTION_START, | |
138 | OPTION_UNIQUE, | |
139 | OPTION_TARGET_HELP, | |
140 | OPTION_ALLOW_SHLIB_UNDEFINED, | |
141 | OPTION_NO_ALLOW_SHLIB_UNDEFINED, | |
142 | OPTION_ALLOW_MULTIPLE_DEFINITION, | |
143 | OPTION_NO_UNDEFINED_VERSION, | |
3e3b46e5 | 144 | OPTION_DEFAULT_SYMVER, |
fc0e6df6 | 145 | OPTION_DEFAULT_IMPORTED_SYMVER, |
560e09e9 NC |
146 | OPTION_DISCARD_NONE, |
147 | OPTION_SPARE_DYNAMIC_TAGS, | |
148 | OPTION_NO_DEFINE_COMMON, | |
149 | OPTION_NOSTDLIB, | |
150 | OPTION_NO_OMAGIC, | |
151 | OPTION_STRIP_DISCARDED, | |
152 | OPTION_NO_STRIP_DISCARDED, | |
153 | OPTION_ACCEPT_UNKNOWN_INPUT_ARCH, | |
154 | OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH, | |
155 | OPTION_PIE, | |
156 | OPTION_UNRESOLVED_SYMBOLS, | |
157 | OPTION_WARN_UNRESOLVED_SYMBOLS, | |
35835446 | 158 | OPTION_ERROR_UNRESOLVED_SYMBOLS, |
8fdd7217 | 159 | OPTION_WARN_SHARED_TEXTREL, |
35835446 | 160 | OPTION_REDUCE_MEMORY_OVERHEADS |
560e09e9 | 161 | }; |
252b5132 RH |
162 | |
163 | /* The long options. This structure is used for both the option | |
164 | parsing and the help text. */ | |
165 | ||
b79e8c78 NC |
166 | struct ld_option |
167 | { | |
252b5132 RH |
168 | /* The long option information. */ |
169 | struct option opt; | |
170 | /* The short option with the same meaning ('\0' if none). */ | |
171 | char shortopt; | |
172 | /* The name of the argument (NULL if none). */ | |
173 | const char *arg; | |
174 | /* The documentation string. If this is NULL, this is a synonym for | |
175 | the previous option. */ | |
176 | const char *doc; | |
e47d05ad KH |
177 | enum { |
178 | /* Use one dash before long option name. */ | |
179 | ONE_DASH, | |
180 | /* Use two dashes before long option name. */ | |
181 | TWO_DASHES, | |
e4897a32 NC |
182 | /* Only accept two dashes before the long option name. |
183 | This is an overloading of the use of this enum, since originally it | |
184 | was only intended to tell the --help display function how to display | |
185 | the long option name. This feature was added in order to resolve | |
186 | the confusion about the -omagic command line switch. Is it setting | |
187 | the output file name to "magic" or is it setting the NMAGIC flag on | |
188 | the output ? It has been decided that it is setting the output file | |
189 | name, and that if you want to set the NMAGIC flag you should use -N | |
190 | or --omagic. */ | |
191 | EXACTLY_TWO_DASHES, | |
e47d05ad KH |
192 | /* Don't mention this option in --help output. */ |
193 | NO_HELP | |
194 | } control; | |
252b5132 RH |
195 | }; |
196 | ||
b79e8c78 NC |
197 | static const struct ld_option ld_options[] = |
198 | { | |
252b5132 | 199 | { {NULL, required_argument, NULL, '\0'}, |
6feb9908 AM |
200 | 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"), |
201 | ONE_DASH }, | |
252b5132 | 202 | { {"architecture", required_argument, NULL, 'A'}, |
6feb9908 | 203 | 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES }, |
252b5132 | 204 | { {"format", required_argument, NULL, 'b'}, |
6feb9908 AM |
205 | 'b', N_("TARGET"), N_("Specify target for following input files"), |
206 | TWO_DASHES }, | |
252b5132 | 207 | { {"mri-script", required_argument, NULL, 'c'}, |
6feb9908 | 208 | 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES }, |
252b5132 | 209 | { {"dc", no_argument, NULL, 'd'}, |
6feb9908 | 210 | 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH }, |
252b5132 | 211 | { {"dp", no_argument, NULL, 'd'}, |
6feb9908 | 212 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 213 | { {"entry", required_argument, NULL, 'e'}, |
6feb9908 | 214 | 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES }, |
252b5132 | 215 | { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC}, |
6feb9908 | 216 | 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES }, |
252b5132 | 217 | { {"EB", no_argument, NULL, OPTION_EB}, |
6feb9908 | 218 | '\0', NULL, N_("Link big-endian objects"), ONE_DASH }, |
252b5132 | 219 | { {"EL", no_argument, NULL, OPTION_EL}, |
6feb9908 | 220 | '\0', NULL, N_("Link little-endian objects"), ONE_DASH }, |
252b5132 | 221 | { {"auxiliary", required_argument, NULL, 'f'}, |
6feb9908 AM |
222 | 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"), |
223 | TWO_DASHES }, | |
252b5132 | 224 | { {"filter", required_argument, NULL, 'F'}, |
6feb9908 AM |
225 | 'F', N_("SHLIB"), N_("Filter for shared object symbol table"), |
226 | TWO_DASHES }, | |
252b5132 | 227 | { {NULL, no_argument, NULL, '\0'}, |
6feb9908 | 228 | 'g', NULL, N_("Ignored"), ONE_DASH }, |
252b5132 | 229 | { {"gpsize", required_argument, NULL, 'G'}, |
6feb9908 AM |
230 | 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"), |
231 | TWO_DASHES }, | |
252b5132 | 232 | { {"soname", required_argument, NULL, OPTION_SONAME}, |
6feb9908 | 233 | 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH }, |
506eee22 | 234 | { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER}, |
6feb9908 AM |
235 | 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"), |
236 | TWO_DASHES }, | |
252b5132 | 237 | { {"library", required_argument, NULL, 'l'}, |
6feb9908 | 238 | 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES }, |
252b5132 | 239 | { {"library-path", required_argument, NULL, 'L'}, |
6feb9908 AM |
240 | 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), |
241 | TWO_DASHES }, | |
e2243057 RS |
242 | { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT}, |
243 | '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES }, | |
252b5132 | 244 | { {NULL, required_argument, NULL, '\0'}, |
6feb9908 | 245 | 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH }, |
252b5132 | 246 | { {"print-map", no_argument, NULL, 'M'}, |
6feb9908 | 247 | 'M', NULL, N_("Print map file on standard output"), TWO_DASHES }, |
252b5132 | 248 | { {"nmagic", no_argument, NULL, 'n'}, |
6feb9908 | 249 | 'n', NULL, N_("Do not page align data"), TWO_DASHES }, |
252b5132 | 250 | { {"omagic", no_argument, NULL, 'N'}, |
6feb9908 AM |
251 | 'N', NULL, N_("Do not page align data, do not make text readonly"), |
252 | EXACTLY_TWO_DASHES }, | |
63fd3b82 | 253 | { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC}, |
6feb9908 AM |
254 | '\0', NULL, N_("Page align data, make text readonly"), |
255 | EXACTLY_TWO_DASHES }, | |
252b5132 | 256 | { {"output", required_argument, NULL, 'o'}, |
6feb9908 | 257 | 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES }, |
252b5132 | 258 | { {NULL, required_argument, NULL, '\0'}, |
6feb9908 | 259 | 'O', NULL, N_("Optimize output file"), ONE_DASH }, |
252b5132 | 260 | { {"Qy", no_argument, NULL, OPTION_IGNORE}, |
6feb9908 | 261 | '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH }, |
a712da20 | 262 | { {"emit-relocs", no_argument, NULL, 'q'}, |
6feb9908 | 263 | 'q', NULL, "Generate relocations in final output", TWO_DASHES }, |
1049f94e | 264 | { {"relocatable", no_argument, NULL, 'r'}, |
6feb9908 | 265 | 'r', NULL, N_("Generate relocatable output"), TWO_DASHES }, |
252b5132 | 266 | { {NULL, no_argument, NULL, '\0'}, |
6feb9908 | 267 | 'i', NULL, NULL, ONE_DASH }, |
252b5132 | 268 | { {"just-symbols", required_argument, NULL, 'R'}, |
6feb9908 AM |
269 | 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"), |
270 | TWO_DASHES }, | |
252b5132 | 271 | { {"strip-all", no_argument, NULL, 's'}, |
6feb9908 | 272 | 's', NULL, N_("Strip all symbols"), TWO_DASHES }, |
252b5132 | 273 | { {"strip-debug", no_argument, NULL, 'S'}, |
6feb9908 | 274 | 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES }, |
d5cd3933 | 275 | { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED}, |
6feb9908 | 276 | '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES }, |
d5cd3933 | 277 | { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED}, |
6feb9908 | 278 | '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES }, |
252b5132 | 279 | { {"trace", no_argument, NULL, 't'}, |
6feb9908 | 280 | 't', NULL, N_("Trace file opens"), TWO_DASHES }, |
252b5132 | 281 | { {"script", required_argument, NULL, 'T'}, |
6feb9908 | 282 | 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES }, |
252b5132 | 283 | { {"undefined", required_argument, NULL, 'u'}, |
6feb9908 AM |
284 | 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), |
285 | TWO_DASHES }, | |
577a0623 | 286 | { {"unique", optional_argument, NULL, OPTION_UNIQUE}, |
6feb9908 AM |
287 | '\0', N_("[=SECTION]"), |
288 | N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES }, | |
252b5132 | 289 | { {"Ur", no_argument, NULL, OPTION_UR}, |
6feb9908 | 290 | '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH }, |
252b5132 | 291 | { {"version", no_argument, NULL, OPTION_VERSION}, |
6feb9908 | 292 | 'v', NULL, N_("Print version information"), TWO_DASHES }, |
252b5132 | 293 | { {NULL, no_argument, NULL, '\0'}, |
6feb9908 | 294 | 'V', NULL, N_("Print version and emulation information"), ONE_DASH }, |
252b5132 | 295 | { {"discard-all", no_argument, NULL, 'x'}, |
6feb9908 | 296 | 'x', NULL, N_("Discard all local symbols"), TWO_DASHES }, |
252b5132 | 297 | { {"discard-locals", no_argument, NULL, 'X'}, |
6feb9908 | 298 | 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES }, |
f5fa8ca2 | 299 | { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE}, |
6feb9908 | 300 | '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES }, |
252b5132 | 301 | { {"trace-symbol", required_argument, NULL, 'y'}, |
6feb9908 | 302 | 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES }, |
252b5132 | 303 | { {NULL, required_argument, NULL, '\0'}, |
6feb9908 AM |
304 | 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), |
305 | ONE_DASH }, | |
252b5132 | 306 | { {"start-group", no_argument, NULL, '('}, |
6feb9908 | 307 | '(', NULL, N_("Start a group"), TWO_DASHES }, |
252b5132 | 308 | { {"end-group", no_argument, NULL, ')'}, |
6feb9908 AM |
309 | ')', NULL, N_("End a group"), TWO_DASHES }, |
310 | { {"accept-unknown-input-arch", no_argument, NULL, | |
311 | OPTION_ACCEPT_UNKNOWN_INPUT_ARCH}, | |
312 | '\0', NULL, | |
313 | N_("Accept input files whose architecture cannot be determined"), | |
314 | TWO_DASHES }, | |
315 | { {"no-accept-unknown-input-arch", no_argument, NULL, | |
316 | OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH}, | |
317 | '\0', NULL, N_("Reject input files whose architecture is unknown"), | |
318 | TWO_DASHES }, | |
8fdd7217 NC |
319 | { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED}, |
320 | '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n" | |
321 | "\t\t\t\tfollowing dynamic libs"), TWO_DASHES }, | |
322 | { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED}, | |
323 | '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n" | |
324 | "\t\t\t\tin following dynamic libs"), TWO_DASHES }, | |
325 | { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED}, | |
326 | '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"), | |
327 | TWO_DASHES }, | |
328 | { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED}, | |
329 | '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"), | |
330 | TWO_DASHES }, | |
252b5132 | 331 | { {"assert", required_argument, NULL, OPTION_ASSERT}, |
6feb9908 | 332 | '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH }, |
252b5132 | 333 | { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED}, |
6feb9908 | 334 | '\0', NULL, N_("Link against shared libraries"), ONE_DASH }, |
252b5132 | 335 | { {"dy", no_argument, NULL, OPTION_CALL_SHARED}, |
6feb9908 | 336 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 337 | { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED}, |
6feb9908 | 338 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 339 | { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED}, |
6feb9908 | 340 | '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH }, |
252b5132 | 341 | { {"dn", no_argument, NULL, OPTION_NON_SHARED}, |
6feb9908 | 342 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 343 | { {"non_shared", no_argument, NULL, OPTION_NON_SHARED}, |
6feb9908 | 344 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 345 | { {"static", no_argument, NULL, OPTION_NON_SHARED}, |
6feb9908 | 346 | '\0', NULL, NULL, ONE_DASH }, |
252b5132 | 347 | { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC}, |
6feb9908 | 348 | '\0', NULL, N_("Bind global references locally"), ONE_DASH }, |
252b5132 | 349 | { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS}, |
6feb9908 AM |
350 | '\0', NULL, N_("Check section addresses for overlaps (default)"), |
351 | TWO_DASHES }, | |
252b5132 | 352 | { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS}, |
6feb9908 AM |
353 | '\0', NULL, N_("Do not check section addresses for overlaps"), |
354 | TWO_DASHES }, | |
252b5132 | 355 | { {"cref", no_argument, NULL, OPTION_CREF}, |
6feb9908 | 356 | '\0', NULL, N_("Output cross reference table"), TWO_DASHES }, |
252b5132 | 357 | { {"defsym", required_argument, NULL, OPTION_DEFSYM}, |
6feb9908 | 358 | '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES }, |
28c309a2 | 359 | { {"demangle", optional_argument, NULL, OPTION_DEMANGLE}, |
6feb9908 AM |
360 | '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"), |
361 | TWO_DASHES }, | |
252b5132 | 362 | { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS}, |
6feb9908 | 363 | '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES}, |
8fdd7217 NC |
364 | { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}, |
365 | '\0', NULL, N_("Treat warnings as errors"), | |
366 | TWO_DASHES }, | |
3dbf70a2 | 367 | { {"fini", required_argument, NULL, OPTION_FINI}, |
6feb9908 | 368 | '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH }, |
252b5132 | 369 | { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX}, |
6feb9908 | 370 | '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES}, |
252b5132 | 371 | { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS}, |
6feb9908 AM |
372 | '\0', NULL, N_("Remove unused sections (on some targets)"), |
373 | TWO_DASHES }, | |
252b5132 | 374 | { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS}, |
6feb9908 AM |
375 | '\0', NULL, N_("Don't remove unused sections (default)"), |
376 | TWO_DASHES }, | |
c17d87de NC |
377 | { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS}, |
378 | '\0', NULL, N_("List removed unused sections on stderr"), | |
379 | TWO_DASHES }, | |
380 | { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS}, | |
381 | '\0', NULL, N_("Do not list removed unused sections"), | |
382 | TWO_DASHES }, | |
2d643429 | 383 | { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE}, |
6feb9908 AM |
384 | '\0', NULL, N_("Set default hash table size close to <NUMBER>"), |
385 | TWO_DASHES }, | |
252b5132 | 386 | { {"help", no_argument, NULL, OPTION_HELP}, |
6feb9908 | 387 | '\0', NULL, N_("Print option help"), TWO_DASHES }, |
3dbf70a2 | 388 | { {"init", required_argument, NULL, OPTION_INIT}, |
6feb9908 | 389 | '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH }, |
252b5132 | 390 | { {"Map", required_argument, NULL, OPTION_MAP}, |
6feb9908 | 391 | '\0', N_("FILE"), N_("Write a map file"), ONE_DASH }, |
4818e05f | 392 | { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON}, |
6feb9908 | 393 | '\0', NULL, N_("Do not define Common storage"), TWO_DASHES }, |
252b5132 | 394 | { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE }, |
6feb9908 | 395 | '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES }, |
252b5132 | 396 | { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY}, |
6feb9908 | 397 | '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES }, |
252b5132 | 398 | { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED}, |
6feb9908 AM |
399 | '\0', NULL, N_("Do not allow unresolved references in object files"), |
400 | TWO_DASHES }, | |
b79e8c78 | 401 | { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED}, |
6feb9908 AM |
402 | '\0', NULL, N_("Allow unresolved references in shared libaries"), |
403 | TWO_DASHES }, | |
404 | { {"no-allow-shlib-undefined", no_argument, NULL, | |
405 | OPTION_NO_ALLOW_SHLIB_UNDEFINED}, | |
406 | '\0', NULL, N_("Do not allow unresolved references in shared libs"), | |
407 | TWO_DASHES }, | |
408 | { {"allow-multiple-definition", no_argument, NULL, | |
409 | OPTION_ALLOW_MULTIPLE_DEFINITION}, | |
410 | '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES }, | |
31941635 | 411 | { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION}, |
6feb9908 | 412 | '\0', NULL, N_("Disallow undefined version"), TWO_DASHES }, |
3e3b46e5 PB |
413 | { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER}, |
414 | '\0', NULL, N_("Create default symbol version"), TWO_DASHES }, | |
fc0e6df6 PB |
415 | { {"default-imported-symver", no_argument, NULL, |
416 | OPTION_DEFAULT_IMPORTED_SYMVER}, | |
417 | '\0', NULL, N_("Create default symbol version for imported symbols"), | |
418 | TWO_DASHES }, | |
252b5132 | 419 | { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH}, |
6feb9908 | 420 | '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES}, |
252b5132 | 421 | { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE}, |
6feb9908 | 422 | '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES }, |
252b5132 | 423 | { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC}, |
6feb9908 AM |
424 | '\0', NULL, N_("Create an output file even if errors occur"), |
425 | TWO_DASHES }, | |
252b5132 | 426 | { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC}, |
6feb9908 | 427 | '\0', NULL, NULL, NO_HELP }, |
361b220e | 428 | { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB}, |
6feb9908 AM |
429 | '\0', NULL, N_("Only use library directories specified on\n" |
430 | "\t\t\t\tthe command line"), ONE_DASH }, | |
252b5132 | 431 | { {"oformat", required_argument, NULL, OPTION_OFORMAT}, |
6feb9908 AM |
432 | '\0', N_("TARGET"), N_("Specify target of output file"), |
433 | EXACTLY_TWO_DASHES }, | |
252b5132 | 434 | { {"qmagic", no_argument, NULL, OPTION_IGNORE}, |
6feb9908 AM |
435 | '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH }, |
436 | { {"reduce-memory-overheads", no_argument, NULL, | |
437 | OPTION_REDUCE_MEMORY_OVERHEADS}, | |
438 | '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"), | |
439 | TWO_DASHES }, | |
252b5132 | 440 | { {"relax", no_argument, NULL, OPTION_RELAX}, |
6feb9908 | 441 | '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES }, |
252b5132 | 442 | { {"retain-symbols-file", required_argument, NULL, |
6feb9908 AM |
443 | OPTION_RETAIN_SYMBOLS_FILE}, |
444 | '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES }, | |
252b5132 | 445 | { {"rpath", required_argument, NULL, OPTION_RPATH}, |
6feb9908 | 446 | '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH }, |
252b5132 | 447 | { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK}, |
6feb9908 AM |
448 | '\0', N_("PATH"), N_("Set link time shared library search path"), |
449 | ONE_DASH }, | |
252b5132 | 450 | { {"shared", no_argument, NULL, OPTION_SHARED}, |
6feb9908 | 451 | '\0', NULL, N_("Create a shared library"), ONE_DASH }, |
252b5132 | 452 | { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */ |
6feb9908 | 453 | '\0', NULL, NULL, ONE_DASH }, |
36af4a4e | 454 | { {"pie", no_argument, NULL, OPTION_PIE}, |
6feb9908 | 455 | '\0', NULL, N_("Create a position independent executable"), ONE_DASH }, |
36af4a4e | 456 | { {"pic-executable", no_argument, NULL, OPTION_PIE}, |
6feb9908 | 457 | '\0', NULL, NULL, TWO_DASHES }, |
252b5132 | 458 | { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON}, |
6feb9908 | 459 | '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES }, |
252b5132 | 460 | { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON}, |
6feb9908 | 461 | '\0', NULL, NULL, NO_HELP }, |
bcaa7b3e L |
462 | { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION}, |
463 | '\0', N_("name|alignment"), | |
464 | N_("Sort sections by name or maximum alignment"), TWO_DASHES }, | |
db6751f2 | 465 | { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS}, |
6feb9908 AM |
466 | '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"), |
467 | TWO_DASHES }, | |
a854a4a7 | 468 | { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE}, |
6feb9908 AM |
469 | '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"), |
470 | TWO_DASHES }, | |
a854a4a7 | 471 | { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC}, |
6feb9908 AM |
472 | '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"), |
473 | TWO_DASHES }, | |
252b5132 | 474 | { {"stats", no_argument, NULL, OPTION_STATS}, |
6feb9908 | 475 | '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES }, |
ea20a7da | 476 | { {"target-help", no_argument, NULL, OPTION_TARGET_HELP}, |
6feb9908 | 477 | '\0', NULL, N_("Display target specific options"), TWO_DASHES }, |
252b5132 | 478 | { {"task-link", required_argument, NULL, OPTION_TASK_LINK}, |
6feb9908 | 479 | '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES }, |
252b5132 | 480 | { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}, |
6feb9908 | 481 | '\0', NULL, N_("Use same format as native linker"), TWO_DASHES }, |
176355da | 482 | { {"section-start", required_argument, NULL, OPTION_SECTION_START}, |
6feb9908 AM |
483 | '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"), |
484 | TWO_DASHES }, | |
252b5132 | 485 | { {"Tbss", required_argument, NULL, OPTION_TBSS}, |
6feb9908 | 486 | '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH }, |
252b5132 | 487 | { {"Tdata", required_argument, NULL, OPTION_TDATA}, |
6feb9908 | 488 | '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH }, |
252b5132 | 489 | { {"Ttext", required_argument, NULL, OPTION_TTEXT}, |
6feb9908 AM |
490 | '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH }, |
491 | { {"unresolved-symbols=<method>", required_argument, NULL, | |
492 | OPTION_UNRESOLVED_SYMBOLS}, | |
493 | '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n" | |
494 | "\t\t\t\tignore-all, report-all, ignore-in-object-files,\n" | |
495 | "\t\t\t\tignore-in-shared-libs"), TWO_DASHES }, | |
252b5132 | 496 | { {"verbose", no_argument, NULL, OPTION_VERBOSE}, |
6feb9908 | 497 | '\0', NULL, N_("Output lots of information during link"), TWO_DASHES }, |
252b5132 | 498 | { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */ |
6feb9908 | 499 | '\0', NULL, NULL, NO_HELP }, |
252b5132 | 500 | { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT }, |
6feb9908 | 501 | '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES }, |
252b5132 RH |
502 | { {"version-exports-section", required_argument, NULL, |
503 | OPTION_VERSION_EXPORTS_SECTION }, | |
6feb9908 AM |
504 | '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n" |
505 | "\t\t\t\tSYMBOL as the version."), TWO_DASHES }, | |
55255dae L |
506 | { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO}, |
507 | '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES }, | |
508 | { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST}, | |
509 | '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES }, | |
252b5132 | 510 | { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON}, |
6feb9908 | 511 | '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES }, |
252b5132 | 512 | { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS}, |
6feb9908 AM |
513 | '\0', NULL, N_("Warn if global constructors/destructors are seen"), |
514 | TWO_DASHES }, | |
252b5132 | 515 | { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP}, |
6feb9908 | 516 | '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES }, |
252b5132 | 517 | { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE}, |
6feb9908 | 518 | '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES }, |
252b5132 | 519 | { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN}, |
6feb9908 AM |
520 | '\0', NULL, N_("Warn if start of section changes due to alignment"), |
521 | TWO_DASHES }, | |
8fdd7217 NC |
522 | { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL}, |
523 | '\0', NULL, N_("Warn if shared object has DT_TEXTREL"), | |
524 | TWO_DASHES }, | |
6feb9908 AM |
525 | { {"warn-unresolved-symbols", no_argument, NULL, |
526 | OPTION_WARN_UNRESOLVED_SYMBOLS}, | |
560e09e9 | 527 | '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES }, |
6feb9908 AM |
528 | { {"error-unresolved-symbols", no_argument, NULL, |
529 | OPTION_ERROR_UNRESOLVED_SYMBOLS}, | |
560e09e9 | 530 | '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES }, |
252b5132 | 531 | { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE}, |
6feb9908 AM |
532 | '\0', NULL, N_("Include all objects from following archives"), |
533 | TWO_DASHES }, | |
252b5132 | 534 | { {"wrap", required_argument, NULL, OPTION_WRAP}, |
6feb9908 | 535 | '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES }, |
252b5132 RH |
536 | }; |
537 | ||
e4897a32 | 538 | #define OPTION_COUNT ARRAY_SIZE (ld_options) |
252b5132 | 539 | |
252b5132 | 540 | void |
1579bae1 | 541 | parse_args (unsigned argc, char **argv) |
252b5132 | 542 | { |
e4897a32 NC |
543 | unsigned i; |
544 | int is, il, irl; | |
252b5132 RH |
545 | int ingroup = 0; |
546 | char *default_dirlist = NULL; | |
3bcf5557 AM |
547 | char *shortopts; |
548 | struct option *longopts; | |
549 | struct option *really_longopts; | |
252b5132 | 550 | int last_optind; |
560e09e9 | 551 | enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR; |
252b5132 | 552 | |
1579bae1 AM |
553 | shortopts = xmalloc (OPTION_COUNT * 3 + 2); |
554 | longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1)); | |
555 | really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1)); | |
3bcf5557 | 556 | |
252b5132 RH |
557 | /* Starting the short option string with '-' is for programs that |
558 | expect options and other ARGV-elements in any order and that care about | |
559 | the ordering of the two. We describe each non-option ARGV-element | |
560 | as if it were the argument of an option with character code 1. */ | |
561 | shortopts[0] = '-'; | |
562 | is = 1; | |
563 | il = 0; | |
e4897a32 | 564 | irl = 0; |
252b5132 RH |
565 | for (i = 0; i < OPTION_COUNT; i++) |
566 | { | |
567 | if (ld_options[i].shortopt != '\0') | |
568 | { | |
569 | shortopts[is] = ld_options[i].shortopt; | |
570 | ++is; | |
571 | if (ld_options[i].opt.has_arg == required_argument | |
572 | || ld_options[i].opt.has_arg == optional_argument) | |
573 | { | |
574 | shortopts[is] = ':'; | |
575 | ++is; | |
576 | if (ld_options[i].opt.has_arg == optional_argument) | |
577 | { | |
578 | shortopts[is] = ':'; | |
579 | ++is; | |
580 | } | |
581 | } | |
582 | } | |
583 | if (ld_options[i].opt.name != NULL) | |
584 | { | |
e4897a32 NC |
585 | if (ld_options[i].control == EXACTLY_TWO_DASHES) |
586 | { | |
587 | really_longopts[irl] = ld_options[i].opt; | |
588 | ++irl; | |
589 | } | |
590 | else | |
591 | { | |
592 | longopts[il] = ld_options[i].opt; | |
593 | ++il; | |
594 | } | |
252b5132 RH |
595 | } |
596 | } | |
597 | shortopts[is] = '\0'; | |
598 | longopts[il].name = NULL; | |
e4897a32 | 599 | really_longopts[irl].name = NULL; |
252b5132 | 600 | |
3bcf5557 AM |
601 | ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts); |
602 | ||
252b5132 RH |
603 | /* The -G option is ambiguous on different platforms. Sometimes it |
604 | specifies the largest data size to put into the small data | |
605 | section. Sometimes it is equivalent to --shared. Unfortunately, | |
606 | the first form takes an argument, while the second does not. | |
607 | ||
608 | We need to permit the --shared form because on some platforms, | |
609 | such as Solaris, gcc -shared will pass -G to the linker. | |
610 | ||
611 | To permit either usage, we look through the argument list. If we | |
612 | find -G not followed by a number, we change it into --shared. | |
613 | This will work for most normal cases. */ | |
614 | for (i = 1; i < argc; i++) | |
615 | if (strcmp (argv[i], "-G") == 0 | |
616 | && (i + 1 >= argc | |
3882b010 | 617 | || ! ISDIGIT (argv[i + 1][0]))) |
252b5132 RH |
618 | argv[i] = (char *) "--shared"; |
619 | ||
620 | /* Because we permit long options to start with a single dash, and | |
621 | we have a --library option, and the -l option is conventionally | |
622 | used with an immediately following argument, we can have bad | |
623 | results if somebody tries to use -l with a library whose name | |
624 | happens to start with "ibrary", as in -li. We avoid problems by | |
625 | simply turning -l into --library. This means that users will | |
626 | have to use two dashes in order to use --library, which is OK | |
627 | since that's how it is documented. | |
628 | ||
629 | FIXME: It's possible that this problem can arise for other short | |
630 | options as well, although the user does always have the recourse | |
631 | of adding a space between the option and the argument. */ | |
632 | for (i = 1; i < argc; i++) | |
633 | { | |
634 | if (argv[i][0] == '-' | |
635 | && argv[i][1] == 'l' | |
636 | && argv[i][2] != '\0') | |
637 | { | |
638 | char *n; | |
639 | ||
1579bae1 | 640 | n = xmalloc (strlen (argv[i]) + 20); |
252b5132 RH |
641 | sprintf (n, "--library=%s", argv[i] + 2); |
642 | argv[i] = n; | |
643 | } | |
644 | } | |
645 | ||
646 | last_optind = -1; | |
647 | while (1) | |
648 | { | |
89894c62 | 649 | int longind; |
252b5132 RH |
650 | int optc; |
651 | ||
652 | /* Using last_optind lets us avoid calling ldemul_parse_args | |
653 | multiple times on a single option, which would lead to | |
654 | confusion in the internal static variables maintained by | |
655 | getopt. This could otherwise happen for an argument like | |
656 | -nx, in which the -n is parsed as a single option, and we | |
657 | loop around to pick up the -x. */ | |
658 | if (optind != last_optind) | |
89894c62 AM |
659 | if (ldemul_parse_args (argc, argv)) |
660 | continue; | |
252b5132 RH |
661 | |
662 | /* getopt_long_only is like getopt_long, but '-' as well as '--' | |
663 | can indicate a long option. */ | |
0fc3347a | 664 | opterr = 0; |
89894c62 | 665 | last_optind = optind; |
252b5132 | 666 | optc = getopt_long_only (argc, argv, shortopts, longopts, &longind); |
0fc3347a NC |
667 | if (optc == '?') |
668 | { | |
89894c62 AM |
669 | optind = last_optind; |
670 | optc = getopt_long (argc, argv, "-", really_longopts, &longind); | |
0fc3347a | 671 | } |
b7ed8fad | 672 | |
3bcf5557 AM |
673 | if (ldemul_handle_option (optc)) |
674 | continue; | |
675 | ||
252b5132 RH |
676 | if (optc == -1) |
677 | break; | |
0fc3347a | 678 | |
252b5132 RH |
679 | switch (optc) |
680 | { | |
0fc3347a | 681 | case '?': |
89894c62 | 682 | einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]); |
058a363d BE |
683 | /* Fall through. */ |
684 | ||
252b5132 | 685 | default: |
210a7bd1 NC |
686 | einfo (_("%P%F: use the --help option for usage information\n")); |
687 | ||
252b5132 | 688 | case 1: /* File name. */ |
1579bae1 | 689 | lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL); |
252b5132 RH |
690 | break; |
691 | ||
692 | case OPTION_IGNORE: | |
693 | break; | |
694 | case 'a': | |
695 | /* For HP/UX compatibility. Actually -a shared should mean | |
1579bae1 AM |
696 | ``use only shared libraries'' but, then, we don't |
697 | currently support shared libraries on HP/UX anyhow. */ | |
252b5132 | 698 | if (strcmp (optarg, "archive") == 0) |
b34976b6 | 699 | config.dynamic_link = FALSE; |
252b5132 RH |
700 | else if (strcmp (optarg, "shared") == 0 |
701 | || strcmp (optarg, "default") == 0) | |
b34976b6 | 702 | config.dynamic_link = TRUE; |
252b5132 RH |
703 | else |
704 | einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg); | |
705 | break; | |
706 | case OPTION_ASSERT: | |
707 | /* FIXME: We just ignore these, but we should handle them. */ | |
708 | if (strcmp (optarg, "definitions") == 0) | |
709 | ; | |
710 | else if (strcmp (optarg, "nodefinitions") == 0) | |
711 | ; | |
712 | else if (strcmp (optarg, "nosymbolic") == 0) | |
713 | ; | |
714 | else if (strcmp (optarg, "pure-text") == 0) | |
715 | ; | |
716 | else | |
717 | einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg); | |
718 | break; | |
719 | case 'A': | |
720 | ldfile_add_arch (optarg); | |
721 | break; | |
722 | case 'b': | |
723 | lang_add_target (optarg); | |
724 | break; | |
725 | case 'c': | |
726 | ldfile_open_command_file (optarg); | |
727 | parser_input = input_mri_script; | |
728 | yyparse (); | |
729 | break; | |
730 | case OPTION_CALL_SHARED: | |
b34976b6 | 731 | config.dynamic_link = TRUE; |
252b5132 RH |
732 | break; |
733 | case OPTION_NON_SHARED: | |
b34976b6 | 734 | config.dynamic_link = FALSE; |
252b5132 RH |
735 | break; |
736 | case OPTION_CREF: | |
b34976b6 AM |
737 | command_line.cref = TRUE; |
738 | link_info.notice_all = TRUE; | |
252b5132 RH |
739 | break; |
740 | case 'd': | |
b34976b6 | 741 | command_line.force_common_definition = TRUE; |
252b5132 RH |
742 | break; |
743 | case OPTION_DEFSYM: | |
744 | lex_string = optarg; | |
745 | lex_redirect (optarg); | |
746 | parser_input = input_defsym; | |
747 | parsing_defsym = 1; | |
748 | yyparse (); | |
749 | parsing_defsym = 0; | |
750 | lex_string = NULL; | |
751 | break; | |
752 | case OPTION_DEMANGLE: | |
b34976b6 | 753 | demangling = TRUE; |
28c309a2 NC |
754 | if (optarg != NULL) |
755 | { | |
756 | enum demangling_styles style; | |
5cc18311 | 757 | |
28c309a2 | 758 | style = cplus_demangle_name_to_style (optarg); |
5cc18311 | 759 | if (style == unknown_demangling) |
28c309a2 NC |
760 | einfo (_("%F%P: unknown demangling style `%s'"), |
761 | optarg); | |
5cc18311 | 762 | |
28c309a2 | 763 | cplus_demangle_set_style (style); |
e47d05ad | 764 | } |
252b5132 | 765 | break; |
506eee22 | 766 | case 'I': /* Used on Solaris. */ |
252b5132 RH |
767 | case OPTION_DYNAMIC_LINKER: |
768 | command_line.interpreter = optarg; | |
769 | break; | |
e2243057 RS |
770 | case OPTION_SYSROOT: |
771 | /* Already handled in ldmain.c. */ | |
772 | break; | |
252b5132 RH |
773 | case OPTION_EB: |
774 | command_line.endian = ENDIAN_BIG; | |
775 | break; | |
776 | case OPTION_EL: | |
777 | command_line.endian = ENDIAN_LITTLE; | |
778 | break; | |
779 | case OPTION_EMBEDDED_RELOCS: | |
b34976b6 | 780 | command_line.embedded_relocs = TRUE; |
252b5132 RH |
781 | break; |
782 | case OPTION_EXPORT_DYNAMIC: | |
783 | case 'E': /* HP/UX compatibility. */ | |
b34976b6 | 784 | link_info.export_dynamic = TRUE; |
252b5132 RH |
785 | break; |
786 | case 'e': | |
b34976b6 | 787 | lang_add_entry (optarg, TRUE); |
252b5132 RH |
788 | break; |
789 | case 'f': | |
790 | if (command_line.auxiliary_filters == NULL) | |
791 | { | |
1579bae1 | 792 | command_line.auxiliary_filters = xmalloc (2 * sizeof (char *)); |
252b5132 RH |
793 | command_line.auxiliary_filters[0] = optarg; |
794 | command_line.auxiliary_filters[1] = NULL; | |
795 | } | |
796 | else | |
797 | { | |
798 | int c; | |
799 | char **p; | |
800 | ||
801 | c = 0; | |
802 | for (p = command_line.auxiliary_filters; *p != NULL; p++) | |
803 | ++c; | |
1579bae1 AM |
804 | command_line.auxiliary_filters |
805 | = xrealloc (command_line.auxiliary_filters, | |
806 | (c + 2) * sizeof (char *)); | |
252b5132 RH |
807 | command_line.auxiliary_filters[c] = optarg; |
808 | command_line.auxiliary_filters[c + 1] = NULL; | |
809 | } | |
810 | break; | |
811 | case 'F': | |
812 | command_line.filter_shlib = optarg; | |
813 | break; | |
814 | case OPTION_FORCE_EXE_SUFFIX: | |
b34976b6 | 815 | command_line.force_exe_suffix = TRUE; |
252b5132 RH |
816 | break; |
817 | case 'G': | |
818 | { | |
819 | char *end; | |
820 | g_switch_value = strtoul (optarg, &end, 0); | |
821 | if (*end) | |
822 | einfo (_("%P%F: invalid number `%s'\n"), optarg); | |
823 | } | |
824 | break; | |
825 | case 'g': | |
826 | /* Ignore. */ | |
827 | break; | |
828 | case OPTION_GC_SECTIONS: | |
57316bff | 829 | link_info.gc_sections = TRUE; |
252b5132 | 830 | break; |
c17d87de NC |
831 | case OPTION_PRINT_GC_SECTIONS: |
832 | link_info.print_gc_sections = TRUE; | |
833 | break; | |
252b5132 RH |
834 | case OPTION_HELP: |
835 | help (); | |
836 | xexit (0); | |
837 | break; | |
838 | case 'L': | |
b34976b6 | 839 | ldfile_add_library_path (optarg, TRUE); |
252b5132 RH |
840 | break; |
841 | case 'l': | |
1579bae1 | 842 | lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL); |
252b5132 RH |
843 | break; |
844 | case 'M': | |
845 | config.map_filename = "-"; | |
846 | break; | |
847 | case 'm': | |
848 | /* Ignore. Was handled in a pre-parse. */ | |
849 | break; | |
850 | case OPTION_MAP: | |
851 | config.map_filename = optarg; | |
852 | break; | |
853 | case 'N': | |
b34976b6 AM |
854 | config.text_read_only = FALSE; |
855 | config.magic_demand_paged = FALSE; | |
856 | config.dynamic_link = FALSE; | |
252b5132 | 857 | break; |
63fd3b82 | 858 | case OPTION_NO_OMAGIC: |
b34976b6 AM |
859 | config.text_read_only = TRUE; |
860 | config.magic_demand_paged = TRUE; | |
861 | /* NB/ Does not set dynamic_link to TRUE. | |
63fd3b82 NC |
862 | Use --call-shared or -Bdynamic for this. */ |
863 | break; | |
252b5132 | 864 | case 'n': |
b34976b6 AM |
865 | config.magic_demand_paged = FALSE; |
866 | config.dynamic_link = FALSE; | |
252b5132 | 867 | break; |
4818e05f | 868 | case OPTION_NO_DEFINE_COMMON: |
b34976b6 | 869 | command_line.inhibit_common_definition = TRUE; |
4818e05f | 870 | break; |
252b5132 | 871 | case OPTION_NO_DEMANGLE: |
b34976b6 | 872 | demangling = FALSE; |
252b5132 RH |
873 | break; |
874 | case OPTION_NO_GC_SECTIONS: | |
57316bff | 875 | link_info.gc_sections = FALSE; |
252b5132 | 876 | break; |
c17d87de NC |
877 | case OPTION_NO_PRINT_GC_SECTIONS: |
878 | link_info.print_gc_sections = FALSE; | |
879 | break; | |
252b5132 | 880 | case OPTION_NO_KEEP_MEMORY: |
b34976b6 | 881 | link_info.keep_memory = FALSE; |
252b5132 RH |
882 | break; |
883 | case OPTION_NO_UNDEFINED: | |
6feb9908 AM |
884 | link_info.unresolved_syms_in_objects |
885 | = how_to_report_unresolved_symbols; | |
252b5132 | 886 | break; |
b79e8c78 | 887 | case OPTION_ALLOW_SHLIB_UNDEFINED: |
560e09e9 | 888 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; |
b79e8c78 | 889 | break; |
ae9a127f | 890 | case OPTION_NO_ALLOW_SHLIB_UNDEFINED: |
6feb9908 AM |
891 | link_info.unresolved_syms_in_shared_libs |
892 | = how_to_report_unresolved_symbols; | |
ae9a127f | 893 | break; |
560e09e9 NC |
894 | case OPTION_UNRESOLVED_SYMBOLS: |
895 | if (strcmp (optarg, "ignore-all") == 0) | |
896 | { | |
897 | link_info.unresolved_syms_in_objects = RM_IGNORE; | |
898 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; | |
899 | } | |
900 | else if (strcmp (optarg, "report-all") == 0) | |
901 | { | |
6feb9908 AM |
902 | link_info.unresolved_syms_in_objects |
903 | = how_to_report_unresolved_symbols; | |
904 | link_info.unresolved_syms_in_shared_libs | |
905 | = how_to_report_unresolved_symbols; | |
560e09e9 NC |
906 | } |
907 | else if (strcmp (optarg, "ignore-in-object-files") == 0) | |
908 | { | |
909 | link_info.unresolved_syms_in_objects = RM_IGNORE; | |
6feb9908 AM |
910 | link_info.unresolved_syms_in_shared_libs |
911 | = how_to_report_unresolved_symbols; | |
560e09e9 NC |
912 | } |
913 | else if (strcmp (optarg, "ignore-in-shared-libs") == 0) | |
914 | { | |
6feb9908 AM |
915 | link_info.unresolved_syms_in_objects |
916 | = how_to_report_unresolved_symbols; | |
560e09e9 NC |
917 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; |
918 | } | |
919 | else | |
920 | einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg); | |
921 | break; | |
922 | case OPTION_WARN_UNRESOLVED_SYMBOLS: | |
923 | how_to_report_unresolved_symbols = RM_GENERATE_WARNING; | |
924 | if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR) | |
925 | link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING; | |
926 | if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR) | |
927 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING; | |
928 | break; | |
6feb9908 | 929 | |
560e09e9 NC |
930 | case OPTION_ERROR_UNRESOLVED_SYMBOLS: |
931 | how_to_report_unresolved_symbols = RM_GENERATE_ERROR; | |
932 | if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING) | |
933 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; | |
934 | if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING) | |
935 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
6feb9908 | 936 | break; |
aa713662 | 937 | case OPTION_ALLOW_MULTIPLE_DEFINITION: |
b34976b6 | 938 | link_info.allow_multiple_definition = TRUE; |
aa713662 | 939 | break; |
31941635 | 940 | case OPTION_NO_UNDEFINED_VERSION: |
b34976b6 | 941 | link_info.allow_undefined_version = FALSE; |
31941635 | 942 | break; |
3e3b46e5 PB |
943 | case OPTION_DEFAULT_SYMVER: |
944 | link_info.create_default_symver = TRUE; | |
945 | break; | |
fc0e6df6 PB |
946 | case OPTION_DEFAULT_IMPORTED_SYMVER: |
947 | link_info.default_imported_symver = TRUE; | |
948 | break; | |
252b5132 | 949 | case OPTION_NO_WARN_MISMATCH: |
b34976b6 | 950 | command_line.warn_mismatch = FALSE; |
252b5132 RH |
951 | break; |
952 | case OPTION_NOINHIBIT_EXEC: | |
b34976b6 | 953 | force_make_executable = TRUE; |
252b5132 | 954 | break; |
361b220e | 955 | case OPTION_NOSTDLIB: |
b34976b6 | 956 | config.only_cmd_line_lib_dirs = TRUE; |
361b220e | 957 | break; |
252b5132 | 958 | case OPTION_NO_WHOLE_ARCHIVE: |
b34976b6 | 959 | whole_archive = FALSE; |
252b5132 RH |
960 | break; |
961 | case 'O': | |
962 | /* FIXME "-O<non-digits> <value>" used to set the address of | |
963 | section <non-digits>. Was this for compatibility with | |
964 | something, or can we create a new option to do that | |
965 | (with a syntax similar to -defsym)? | |
966 | getopt can't handle two args to an option without kludges. */ | |
967 | ||
968 | /* Enable optimizations of output files. */ | |
b34976b6 | 969 | link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE; |
252b5132 RH |
970 | break; |
971 | case 'o': | |
5cc18311 | 972 | lang_add_output (optarg, 0); |
252b5132 RH |
973 | break; |
974 | case OPTION_OFORMAT: | |
1579bae1 | 975 | lang_add_output_format (optarg, NULL, NULL, 0); |
252b5132 | 976 | break; |
a712da20 | 977 | case 'q': |
b34976b6 | 978 | link_info.emitrelocations = TRUE; |
a712da20 | 979 | break; |
8c5ff972 | 980 | case 'i': |
252b5132 | 981 | case 'r': |
210a7bd1 NC |
982 | if (optind == last_optind) |
983 | /* This can happen if the user put "-rpath,a" on the command | |
984 | line. (Or something similar. The comma is important). | |
985 | Getopt becomes confused and thinks that this is a -r option | |
986 | but it cannot parse the text after the -r so it refuses to | |
987 | increment the optind counter. Detect this case and issue | |
988 | an error message here. We cannot just make this a warning, | |
989 | increment optind, and continue because getopt is too confused | |
990 | and will seg-fault the next time around. */ | |
991 | einfo(_("%P%F: bad -rpath option\n")); | |
b7a26f91 | 992 | |
1049f94e | 993 | link_info.relocatable = TRUE; |
b34976b6 AM |
994 | config.build_constructors = FALSE; |
995 | config.magic_demand_paged = FALSE; | |
996 | config.text_read_only = FALSE; | |
997 | config.dynamic_link = FALSE; | |
252b5132 RH |
998 | break; |
999 | case 'R': | |
1000 | /* The GNU linker traditionally uses -R to mean to include | |
1001 | only the symbols from a file. The Solaris linker uses -R | |
1002 | to set the path used by the runtime linker to find | |
1003 | libraries. This is the GNU linker -rpath argument. We | |
1004 | try to support both simultaneously by checking the file | |
1005 | named. If it is a directory, rather than a regular file, | |
1006 | we assume -rpath was meant. */ | |
1007 | { | |
1008 | struct stat s; | |
1009 | ||
1010 | if (stat (optarg, &s) >= 0 | |
1011 | && ! S_ISDIR (s.st_mode)) | |
1012 | { | |
1013 | lang_add_input_file (optarg, | |
1014 | lang_input_file_is_symbols_only_enum, | |
1579bae1 | 1015 | NULL); |
252b5132 RH |
1016 | break; |
1017 | } | |
1018 | } | |
1019 | /* Fall through. */ | |
1020 | case OPTION_RPATH: | |
1021 | if (command_line.rpath == NULL) | |
d1b2b2dc | 1022 | command_line.rpath = xstrdup (optarg); |
252b5132 RH |
1023 | else |
1024 | { | |
1025 | size_t rpath_len = strlen (command_line.rpath); | |
1026 | size_t optarg_len = strlen (optarg); | |
1027 | char *buf; | |
1028 | char *cp = command_line.rpath; | |
1029 | ||
1030 | /* First see whether OPTARG is already in the path. */ | |
1031 | do | |
1032 | { | |
1033 | size_t idx = 0; | |
210a7bd1 | 1034 | |
252b5132 RH |
1035 | while (optarg[idx] != '\0' && optarg[idx] == cp[idx]) |
1036 | ++idx; | |
1037 | if (optarg[idx] == '\0' | |
1038 | && (cp[idx] == '\0' || cp[idx] == ':')) | |
1039 | /* We found it. */ | |
1040 | break; | |
1041 | ||
1042 | /* Not yet found. */ | |
1043 | cp = strchr (cp, ':'); | |
1044 | if (cp != NULL) | |
1045 | ++cp; | |
1046 | } | |
1047 | while (cp != NULL); | |
1048 | ||
1049 | if (cp == NULL) | |
1050 | { | |
1051 | buf = xmalloc (rpath_len + optarg_len + 2); | |
1052 | sprintf (buf, "%s:%s", command_line.rpath, optarg); | |
1053 | free (command_line.rpath); | |
1054 | command_line.rpath = buf; | |
1055 | } | |
1056 | } | |
1057 | break; | |
1058 | case OPTION_RPATH_LINK: | |
1059 | if (command_line.rpath_link == NULL) | |
d1b2b2dc | 1060 | command_line.rpath_link = xstrdup (optarg); |
252b5132 RH |
1061 | else |
1062 | { | |
1063 | char *buf; | |
1064 | ||
1065 | buf = xmalloc (strlen (command_line.rpath_link) | |
1066 | + strlen (optarg) | |
1067 | + 2); | |
1068 | sprintf (buf, "%s:%s", command_line.rpath_link, optarg); | |
1069 | free (command_line.rpath_link); | |
1070 | command_line.rpath_link = buf; | |
1071 | } | |
1072 | break; | |
1073 | case OPTION_RELAX: | |
b34976b6 | 1074 | command_line.relax = TRUE; |
252b5132 RH |
1075 | break; |
1076 | case OPTION_RETAIN_SYMBOLS_FILE: | |
1077 | add_keepsyms_file (optarg); | |
1078 | break; | |
1079 | case 'S': | |
1080 | link_info.strip = strip_debugger; | |
1081 | break; | |
1082 | case 's': | |
1083 | link_info.strip = strip_all; | |
1084 | break; | |
d5cd3933 AM |
1085 | case OPTION_STRIP_DISCARDED: |
1086 | link_info.strip_discarded = TRUE; | |
1087 | break; | |
1088 | case OPTION_NO_STRIP_DISCARDED: | |
1089 | link_info.strip_discarded = FALSE; | |
1090 | break; | |
252b5132 RH |
1091 | case OPTION_SHARED: |
1092 | if (config.has_shared) | |
560e09e9 NC |
1093 | { |
1094 | link_info.shared = TRUE; | |
1095 | /* When creating a shared library, the default | |
1096 | behaviour is to ignore any unresolved references. */ | |
1097 | if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET) | |
1098 | link_info.unresolved_syms_in_objects = RM_IGNORE; | |
1099 | if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET) | |
1100 | link_info.unresolved_syms_in_shared_libs = RM_IGNORE; | |
1101 | } | |
252b5132 RH |
1102 | else |
1103 | einfo (_("%P%F: -shared not supported\n")); | |
1104 | break; | |
36af4a4e JJ |
1105 | case OPTION_PIE: |
1106 | if (config.has_shared) | |
1107 | { | |
1108 | link_info.shared = TRUE; | |
1109 | link_info.pie = TRUE; | |
1110 | } | |
1111 | else | |
1112 | einfo (_("%P%F: -pie not supported\n")); | |
1113 | break; | |
252b5132 RH |
1114 | case 'h': /* Used on Solaris. */ |
1115 | case OPTION_SONAME: | |
1116 | command_line.soname = optarg; | |
1117 | break; | |
1118 | case OPTION_SORT_COMMON: | |
b34976b6 | 1119 | config.sort_common = TRUE; |
252b5132 | 1120 | break; |
bcaa7b3e L |
1121 | case OPTION_SORT_SECTION: |
1122 | if (strcmp (optarg, N_("name")) == 0) | |
1123 | sort_section = by_name; | |
1124 | else if (strcmp (optarg, N_("alignment")) == 0) | |
1125 | sort_section = by_alignment; | |
1126 | else | |
1127 | einfo (_("%P%F: invalid section sorting option: %s\n"), | |
1128 | optarg); | |
1129 | break; | |
252b5132 | 1130 | case OPTION_STATS: |
b34976b6 | 1131 | config.stats = TRUE; |
252b5132 RH |
1132 | break; |
1133 | case OPTION_SYMBOLIC: | |
b34976b6 | 1134 | link_info.symbolic = TRUE; |
252b5132 RH |
1135 | break; |
1136 | case 't': | |
b34976b6 | 1137 | trace_files = TRUE; |
252b5132 RH |
1138 | break; |
1139 | case 'T': | |
1140 | ldfile_open_command_file (optarg); | |
1141 | parser_input = input_script; | |
1142 | yyparse (); | |
1143 | break; | |
176355da NC |
1144 | case OPTION_SECTION_START: |
1145 | { | |
1146 | char *optarg2; | |
227aeb07 AM |
1147 | char *sec_name; |
1148 | int len; | |
176355da NC |
1149 | |
1150 | /* Check for <something>=<somthing>... */ | |
1151 | optarg2 = strchr (optarg, '='); | |
1152 | if (optarg2 == NULL) | |
6feb9908 AM |
1153 | einfo (_("%P%F: invalid argument to option" |
1154 | " \"--section-start\"\n")); | |
176355da | 1155 | |
e47d05ad | 1156 | optarg2++; |
5cc18311 | 1157 | |
176355da NC |
1158 | /* So far so good. Are all the args present? */ |
1159 | if ((*optarg == '\0') || (*optarg2 == '\0')) | |
6feb9908 AM |
1160 | einfo (_("%P%F: missing argument(s) to option" |
1161 | " \"--section-start\"\n")); | |
176355da | 1162 | |
227aeb07 AM |
1163 | /* We must copy the section name as set_section_start |
1164 | doesn't do it for us. */ | |
1165 | len = optarg2 - optarg; | |
1166 | sec_name = xmalloc (len); | |
1167 | memcpy (sec_name, optarg, len - 1); | |
1168 | sec_name[len - 1] = 0; | |
176355da NC |
1169 | |
1170 | /* Then set it... */ | |
227aeb07 | 1171 | set_section_start (sec_name, optarg2); |
176355da NC |
1172 | } |
1173 | break; | |
ea20a7da CC |
1174 | case OPTION_TARGET_HELP: |
1175 | /* Mention any target specific options. */ | |
b7a26f91 KH |
1176 | ldemul_list_emulation_options (stdout); |
1177 | exit (0); | |
252b5132 | 1178 | case OPTION_TBSS: |
ba916c8a | 1179 | set_segment_start (".bss", optarg); |
252b5132 RH |
1180 | break; |
1181 | case OPTION_TDATA: | |
ba916c8a | 1182 | set_segment_start (".data", optarg); |
252b5132 RH |
1183 | break; |
1184 | case OPTION_TTEXT: | |
ba916c8a | 1185 | set_segment_start (".text", optarg); |
252b5132 RH |
1186 | break; |
1187 | case OPTION_TRADITIONAL_FORMAT: | |
b34976b6 | 1188 | link_info.traditional_format = TRUE; |
252b5132 RH |
1189 | break; |
1190 | case OPTION_TASK_LINK: | |
b34976b6 | 1191 | link_info.task_link = TRUE; |
252b5132 RH |
1192 | /* Fall through - do an implied -r option. */ |
1193 | case OPTION_UR: | |
1049f94e | 1194 | link_info.relocatable = TRUE; |
b34976b6 AM |
1195 | config.build_constructors = TRUE; |
1196 | config.magic_demand_paged = FALSE; | |
1197 | config.text_read_only = FALSE; | |
1198 | config.dynamic_link = FALSE; | |
252b5132 RH |
1199 | break; |
1200 | case 'u': | |
1201 | ldlang_add_undef (optarg); | |
1202 | break; | |
a854a4a7 | 1203 | case OPTION_UNIQUE: |
577a0623 AM |
1204 | if (optarg != NULL) |
1205 | lang_add_unique (optarg); | |
1206 | else | |
b34976b6 | 1207 | config.unique_orphan_sections = TRUE; |
a854a4a7 | 1208 | break; |
252b5132 RH |
1209 | case OPTION_VERBOSE: |
1210 | ldversion (1); | |
b34976b6 AM |
1211 | version_printed = TRUE; |
1212 | trace_file_tries = TRUE; | |
8aae64e6 | 1213 | overflow_cutoff_limit = -2; |
252b5132 RH |
1214 | break; |
1215 | case 'v': | |
1216 | ldversion (0); | |
b34976b6 | 1217 | version_printed = TRUE; |
252b5132 RH |
1218 | break; |
1219 | case 'V': | |
1220 | ldversion (1); | |
b34976b6 | 1221 | version_printed = TRUE; |
252b5132 RH |
1222 | break; |
1223 | case OPTION_VERSION: | |
d32820f2 | 1224 | ldversion (2); |
252b5132 RH |
1225 | xexit (0); |
1226 | break; | |
1227 | case OPTION_VERSION_SCRIPT: | |
1228 | /* This option indicates a small script that only specifies | |
1579bae1 AM |
1229 | version information. Read it, but don't assume that |
1230 | we've seen a linker script. */ | |
252b5132 | 1231 | { |
b7a26f91 | 1232 | FILE *hold_script_handle; |
252b5132 | 1233 | |
b9a8de1e | 1234 | hold_script_handle = saved_script_handle; |
252b5132 | 1235 | ldfile_open_command_file (optarg); |
b9a8de1e | 1236 | saved_script_handle = hold_script_handle; |
252b5132 RH |
1237 | parser_input = input_version_script; |
1238 | yyparse (); | |
1239 | } | |
1240 | break; | |
1241 | case OPTION_VERSION_EXPORTS_SECTION: | |
1242 | /* This option records a version symbol to be applied to the | |
1243 | symbols listed for export to be found in the object files | |
1244 | .exports sections. */ | |
1245 | command_line.version_exports_section = optarg; | |
1246 | break; | |
55255dae L |
1247 | case OPTION_DYNAMIC_LIST_CPP_TYPEINFO: |
1248 | lang_append_dynamic_list_cpp_typeinfo (); | |
1249 | break; | |
1250 | case OPTION_DYNAMIC_LIST: | |
1251 | /* This option indicates a small script that only specifies | |
1252 | a dynamic list. Read it, but don't assume that we've | |
1253 | seen a linker script. */ | |
1254 | { | |
1255 | FILE *hold_script_handle; | |
1256 | ||
1257 | hold_script_handle = saved_script_handle; | |
1258 | ldfile_open_command_file (optarg); | |
1259 | saved_script_handle = hold_script_handle; | |
1260 | parser_input = input_dynamic_list; | |
1261 | yyparse (); | |
1262 | } | |
1263 | break; | |
252b5132 | 1264 | case OPTION_WARN_COMMON: |
b34976b6 | 1265 | config.warn_common = TRUE; |
252b5132 RH |
1266 | break; |
1267 | case OPTION_WARN_CONSTRUCTORS: | |
b34976b6 | 1268 | config.warn_constructors = TRUE; |
252b5132 | 1269 | break; |
7ce691ae | 1270 | case OPTION_WARN_FATAL: |
b34976b6 | 1271 | config.fatal_warnings = TRUE; |
7ce691ae | 1272 | break; |
252b5132 | 1273 | case OPTION_WARN_MULTIPLE_GP: |
b34976b6 | 1274 | config.warn_multiple_gp = TRUE; |
252b5132 RH |
1275 | break; |
1276 | case OPTION_WARN_ONCE: | |
b34976b6 | 1277 | config.warn_once = TRUE; |
252b5132 RH |
1278 | break; |
1279 | case OPTION_WARN_SECTION_ALIGN: | |
b34976b6 | 1280 | config.warn_section_align = TRUE; |
252b5132 | 1281 | break; |
8fdd7217 NC |
1282 | case OPTION_WARN_SHARED_TEXTREL: |
1283 | link_info.warn_shared_textrel = TRUE; | |
1284 | break; | |
252b5132 | 1285 | case OPTION_WHOLE_ARCHIVE: |
b34976b6 | 1286 | whole_archive = TRUE; |
252b5132 | 1287 | break; |
e56f61be L |
1288 | case OPTION_ADD_NEEDED: |
1289 | add_needed = TRUE; | |
1290 | break; | |
1291 | case OPTION_NO_ADD_NEEDED: | |
1292 | add_needed = FALSE; | |
1293 | break; | |
4a43e768 AM |
1294 | case OPTION_AS_NEEDED: |
1295 | as_needed = TRUE; | |
1296 | break; | |
1297 | case OPTION_NO_AS_NEEDED: | |
1298 | as_needed = FALSE; | |
1299 | break; | |
252b5132 RH |
1300 | case OPTION_WRAP: |
1301 | add_wrap (optarg); | |
1302 | break; | |
f5fa8ca2 JJ |
1303 | case OPTION_DISCARD_NONE: |
1304 | link_info.discard = discard_none; | |
1305 | break; | |
252b5132 RH |
1306 | case 'X': |
1307 | link_info.discard = discard_l; | |
1308 | break; | |
1309 | case 'x': | |
1310 | link_info.discard = discard_all; | |
1311 | break; | |
1312 | case 'Y': | |
0112cd26 | 1313 | if (CONST_STRNEQ (optarg, "P,")) |
252b5132 | 1314 | optarg += 2; |
5ed6aba4 NC |
1315 | if (default_dirlist != NULL) |
1316 | free (default_dirlist); | |
252b5132 RH |
1317 | default_dirlist = xstrdup (optarg); |
1318 | break; | |
1319 | case 'y': | |
1320 | add_ysym (optarg); | |
1321 | break; | |
db6751f2 JJ |
1322 | case OPTION_SPARE_DYNAMIC_TAGS: |
1323 | link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0); | |
1324 | break; | |
252b5132 | 1325 | case OPTION_SPLIT_BY_RELOC: |
a854a4a7 AM |
1326 | if (optarg != NULL) |
1327 | config.split_by_reloc = strtoul (optarg, NULL, 0); | |
1328 | else | |
1329 | config.split_by_reloc = 32768; | |
5cc18311 | 1330 | break; |
252b5132 | 1331 | case OPTION_SPLIT_BY_FILE: |
a854a4a7 AM |
1332 | if (optarg != NULL) |
1333 | config.split_by_file = bfd_scan_vma (optarg, NULL, 0); | |
1334 | else | |
1335 | config.split_by_file = 1; | |
5cc18311 | 1336 | break; |
252b5132 | 1337 | case OPTION_CHECK_SECTIONS: |
b34976b6 | 1338 | command_line.check_section_addresses = TRUE; |
252b5132 RH |
1339 | break; |
1340 | case OPTION_NO_CHECK_SECTIONS: | |
b34976b6 | 1341 | command_line.check_section_addresses = FALSE; |
252b5132 | 1342 | break; |
312b768e NC |
1343 | case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH: |
1344 | command_line.accept_unknown_input_arch = TRUE; | |
1345 | break; | |
1346 | case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH: | |
1347 | command_line.accept_unknown_input_arch = FALSE; | |
1348 | break; | |
252b5132 RH |
1349 | case '(': |
1350 | if (ingroup) | |
210a7bd1 NC |
1351 | einfo (_("%P%F: may not nest groups (--help for usage)\n")); |
1352 | ||
252b5132 RH |
1353 | lang_enter_group (); |
1354 | ingroup = 1; | |
1355 | break; | |
1356 | case ')': | |
1357 | if (! ingroup) | |
210a7bd1 NC |
1358 | einfo (_("%P%F: group ended before it began (--help for usage)\n")); |
1359 | ||
252b5132 RH |
1360 | lang_leave_group (); |
1361 | ingroup = 0; | |
1362 | break; | |
3dbf70a2 MM |
1363 | |
1364 | case OPTION_INIT: | |
1365 | link_info.init_function = optarg; | |
1366 | break; | |
5cc18311 | 1367 | |
3dbf70a2 MM |
1368 | case OPTION_FINI: |
1369 | link_info.fini_function = optarg; | |
1370 | break; | |
2d643429 | 1371 | |
35835446 | 1372 | case OPTION_REDUCE_MEMORY_OVERHEADS: |
c0f00686 | 1373 | link_info.reduce_memory_overheads = TRUE; |
2d643429 NC |
1374 | if (config.hash_table_size == 0) |
1375 | config.hash_table_size = 1021; | |
35835446 | 1376 | break; |
2d643429 NC |
1377 | |
1378 | case OPTION_HASH_SIZE: | |
1379 | { | |
1380 | bfd_size_type new_size; | |
1381 | ||
1382 | new_size = strtoul (optarg, NULL, 0); | |
1383 | if (new_size) | |
1384 | config.hash_table_size = new_size; | |
1385 | else | |
1386 | einfo (_("%P%X: --hash-size needs a numeric argument\n")); | |
1387 | } | |
1388 | break; | |
252b5132 RH |
1389 | } |
1390 | } | |
1391 | ||
1392 | if (ingroup) | |
1393 | lang_leave_group (); | |
1394 | ||
1395 | if (default_dirlist != NULL) | |
5ed6aba4 NC |
1396 | { |
1397 | set_default_dirlist (default_dirlist); | |
1398 | free (default_dirlist); | |
1399 | } | |
560e09e9 NC |
1400 | |
1401 | if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET) | |
1402 | /* FIXME: Should we allow emulations a chance to set this ? */ | |
1403 | link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols; | |
6feb9908 | 1404 | |
560e09e9 NC |
1405 | if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET) |
1406 | /* FIXME: Should we allow emulations a chance to set this ? */ | |
1407 | link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols; | |
252b5132 RH |
1408 | } |
1409 | ||
1410 | /* Add the (colon-separated) elements of DIRLIST_PTR to the | |
1411 | library search path. */ | |
1412 | ||
1413 | static void | |
1579bae1 | 1414 | set_default_dirlist (char *dirlist_ptr) |
252b5132 RH |
1415 | { |
1416 | char *p; | |
1417 | ||
1418 | while (1) | |
1419 | { | |
1420 | p = strchr (dirlist_ptr, PATH_SEPARATOR); | |
1421 | if (p != NULL) | |
1422 | *p = '\0'; | |
1423 | if (*dirlist_ptr != '\0') | |
b34976b6 | 1424 | ldfile_add_library_path (dirlist_ptr, TRUE); |
252b5132 RH |
1425 | if (p == NULL) |
1426 | break; | |
1427 | dirlist_ptr = p + 1; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | static void | |
1579bae1 | 1432 | set_section_start (char *sect, char *valstr) |
252b5132 | 1433 | { |
93697284 AM |
1434 | const char *end; |
1435 | bfd_vma val = bfd_scan_vma (valstr, &end, 16); | |
252b5132 RH |
1436 | if (*end) |
1437 | einfo (_("%P%F: invalid hex number `%s'\n"), valstr); | |
ba916c8a | 1438 | lang_section_start (sect, exp_intop (val), NULL); |
252b5132 | 1439 | } |
ba916c8a MM |
1440 | |
1441 | static void | |
1442 | set_segment_start (const char *section, char *valstr) | |
1443 | { | |
1444 | const char *name; | |
1445 | const char *end; | |
1446 | segment_type *seg; | |
1447 | ||
1448 | bfd_vma val = bfd_scan_vma (valstr, &end, 16); | |
1449 | if (*end) | |
1450 | einfo (_("%P%F: invalid hex number `%s'\n"), valstr); | |
1451 | /* If we already have an entry for this segment, update the existing | |
1452 | value. */ | |
1453 | name = section + 1; | |
1454 | for (seg = segments; seg; seg = seg->next) | |
1455 | if (strcmp (seg->name, name) == 0) | |
1456 | { | |
1457 | seg->value = val; | |
1458 | return; | |
1459 | } | |
1460 | /* There was no existing value so we must create a new segment | |
1461 | entry. */ | |
1462 | seg = stat_alloc (sizeof (*seg)); | |
1463 | seg->name = name; | |
1464 | seg->value = val; | |
1465 | seg->used = FALSE; | |
1466 | /* Add it to the linked list of segments. */ | |
1467 | seg->next = segments; | |
1468 | segments = seg; | |
1469 | /* Historically, -Ttext and friends set the base address of a | |
1470 | particular section. For backwards compatibility, we still do | |
1471 | that. If a SEGMENT_START directive is seen, the section address | |
1472 | assignment will be disabled. */ | |
1473 | lang_section_start (section, exp_intop (val), seg); | |
1474 | } | |
1475 | ||
252b5132 RH |
1476 | \f |
1477 | /* Print help messages for the options. */ | |
1478 | ||
1479 | static void | |
1579bae1 | 1480 | help (void) |
252b5132 | 1481 | { |
e4897a32 | 1482 | unsigned i; |
252b5132 | 1483 | const char **targets, **pp; |
a55ff675 | 1484 | int len; |
252b5132 RH |
1485 | |
1486 | printf (_("Usage: %s [options] file...\n"), program_name); | |
1487 | ||
1488 | printf (_("Options:\n")); | |
1489 | for (i = 0; i < OPTION_COUNT; i++) | |
1490 | { | |
1491 | if (ld_options[i].doc != NULL) | |
1492 | { | |
b34976b6 | 1493 | bfd_boolean comma; |
e4897a32 | 1494 | unsigned j; |
252b5132 RH |
1495 | |
1496 | printf (" "); | |
1497 | ||
b34976b6 | 1498 | comma = FALSE; |
252b5132 RH |
1499 | len = 2; |
1500 | ||
1501 | j = i; | |
1502 | do | |
1503 | { | |
1504 | if (ld_options[j].shortopt != '\0' | |
1505 | && ld_options[j].control != NO_HELP) | |
1506 | { | |
1507 | printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt); | |
1508 | len += (comma ? 2 : 0) + 2; | |
1509 | if (ld_options[j].arg != NULL) | |
1510 | { | |
1511 | if (ld_options[j].opt.has_arg != optional_argument) | |
1512 | { | |
1513 | printf (" "); | |
1514 | ++len; | |
1515 | } | |
1516 | printf ("%s", _(ld_options[j].arg)); | |
1517 | len += strlen (_(ld_options[j].arg)); | |
1518 | } | |
b34976b6 | 1519 | comma = TRUE; |
252b5132 RH |
1520 | } |
1521 | ++j; | |
1522 | } | |
1523 | while (j < OPTION_COUNT && ld_options[j].doc == NULL); | |
1524 | ||
1525 | j = i; | |
1526 | do | |
1527 | { | |
1528 | if (ld_options[j].opt.name != NULL | |
1529 | && ld_options[j].control != NO_HELP) | |
1530 | { | |
e4897a32 NC |
1531 | int two_dashes = |
1532 | (ld_options[j].control == TWO_DASHES | |
1533 | || ld_options[j].control == EXACTLY_TWO_DASHES); | |
b7a26f91 | 1534 | |
252b5132 RH |
1535 | printf ("%s-%s%s", |
1536 | comma ? ", " : "", | |
e4897a32 | 1537 | two_dashes ? "-" : "", |
252b5132 RH |
1538 | ld_options[j].opt.name); |
1539 | len += ((comma ? 2 : 0) | |
1540 | + 1 | |
e4897a32 | 1541 | + (two_dashes ? 1 : 0) |
252b5132 RH |
1542 | + strlen (ld_options[j].opt.name)); |
1543 | if (ld_options[j].arg != NULL) | |
1544 | { | |
1545 | printf (" %s", _(ld_options[j].arg)); | |
1546 | len += 1 + strlen (_(ld_options[j].arg)); | |
1547 | } | |
b34976b6 | 1548 | comma = TRUE; |
252b5132 RH |
1549 | } |
1550 | ++j; | |
1551 | } | |
1552 | while (j < OPTION_COUNT && ld_options[j].doc == NULL); | |
1553 | ||
1554 | if (len >= 30) | |
1555 | { | |
1556 | printf ("\n"); | |
1557 | len = 0; | |
1558 | } | |
1559 | ||
1560 | for (; len < 30; len++) | |
1561 | putchar (' '); | |
1562 | ||
1563 | printf ("%s\n", _(ld_options[i].doc)); | |
1564 | } | |
1565 | } | |
a55ff675 MM |
1566 | printf (_(" @FILE")); |
1567 | for (len = strlen (" @FILE"); len < 30; len++) | |
1568 | putchar (' '); | |
1569 | printf (_("Read options from FILE\n")); | |
252b5132 | 1570 | |
f75692fe NC |
1571 | /* Note: Various tools (such as libtool) depend upon the |
1572 | format of the listings below - do not change them. */ | |
252b5132 | 1573 | /* xgettext:c-format */ |
f75692fe | 1574 | printf (_("%s: supported targets:"), program_name); |
252b5132 RH |
1575 | targets = bfd_target_list (); |
1576 | for (pp = targets; *pp != NULL; pp++) | |
1577 | printf (" %s", *pp); | |
1578 | free (targets); | |
1579 | printf ("\n"); | |
1580 | ||
1581 | /* xgettext:c-format */ | |
f75692fe | 1582 | printf (_("%s: supported emulations: "), program_name); |
252b5132 RH |
1583 | ldemul_list_emulations (stdout); |
1584 | printf ("\n"); | |
1585 | ||
1586 | /* xgettext:c-format */ | |
1587 | printf (_("%s: emulation specific options:\n"), program_name); | |
1588 | ldemul_list_emulation_options (stdout); | |
1589 | printf ("\n"); | |
c20f4f8c | 1590 | |
8ad3436c | 1591 | printf (_("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 | 1592 | } |