Commit | Line | Data |
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252b5132 | 1 | /* Parse options for the GNU linker. |
93697284 | 2 | Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000 |
252b5132 RH |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GLD, the Gnu Linker. | |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GLD; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "libiberty.h" | |
25 | #include <stdio.h> | |
26 | #include <string.h> | |
27 | #include <ctype.h> | |
28 | #include "getopt.h" | |
29 | #include "bfdlink.h" | |
30 | #include "ld.h" | |
31 | #include "ldmain.h" | |
32 | #include "ldmisc.h" | |
33 | #include "ldexp.h" | |
34 | #include "ldlang.h" | |
35 | #include "ldgram.h" | |
36 | #include "ldlex.h" | |
37 | #include "ldfile.h" | |
38 | #include "ldver.h" | |
39 | #include "ldemul.h" | |
40 | ||
41 | #ifndef PATH_SEPARATOR | |
42 | #if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__)) | |
43 | #define PATH_SEPARATOR ';' | |
44 | #else | |
45 | #define PATH_SEPARATOR ':' | |
46 | #endif | |
47 | #endif | |
48 | ||
49 | /* Somewhere above, sys/stat.h got included . . . . */ | |
50 | #if !defined(S_ISDIR) && defined(S_IFDIR) | |
51 | #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) | |
52 | #endif | |
53 | ||
54 | /* Omit args to avoid the possibility of clashing with a system header | |
55 | that might disagree about consts. */ | |
56 | unsigned long strtoul (); | |
57 | ||
3d9f6277 | 58 | static int is_num PARAMS ((const char *, int, int, int)); |
252b5132 RH |
59 | static void set_default_dirlist PARAMS ((char *dirlist_ptr)); |
60 | static void set_section_start PARAMS ((char *sect, char *valstr)); | |
61 | static void help PARAMS ((void)); | |
62 | ||
63 | /* Non-zero if we are processing a --defsym from the command line. */ | |
64 | int parsing_defsym = 0; | |
65 | ||
66 | /* Codes used for the long options with no short synonyms. 150 isn't | |
67 | special; it's just an arbitrary non-ASCII char value. */ | |
68 | ||
69 | #define OPTION_ASSERT 150 | |
70 | #define OPTION_CALL_SHARED (OPTION_ASSERT + 1) | |
71 | #define OPTION_CREF (OPTION_CALL_SHARED + 1) | |
72 | #define OPTION_DEFSYM (OPTION_CREF + 1) | |
73 | #define OPTION_DEMANGLE (OPTION_DEFSYM + 1) | |
74 | #define OPTION_DYNAMIC_LINKER (OPTION_DEMANGLE + 1) | |
75 | #define OPTION_EB (OPTION_DYNAMIC_LINKER + 1) | |
76 | #define OPTION_EL (OPTION_EB + 1) | |
77 | #define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1) | |
78 | #define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1) | |
79 | #define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1) | |
80 | #define OPTION_IGNORE (OPTION_HELP + 1) | |
81 | #define OPTION_MAP (OPTION_IGNORE + 1) | |
82 | #define OPTION_NO_DEMANGLE (OPTION_MAP + 1) | |
83 | #define OPTION_NO_KEEP_MEMORY (OPTION_NO_DEMANGLE + 1) | |
84 | #define OPTION_NO_WARN_MISMATCH (OPTION_NO_KEEP_MEMORY + 1) | |
85 | #define OPTION_NOINHIBIT_EXEC (OPTION_NO_WARN_MISMATCH + 1) | |
86 | #define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1) | |
87 | #define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1) | |
88 | #define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1) | |
89 | #define OPTION_RELAX (OPTION_OFORMAT + 1) | |
90 | #define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1) | |
91 | #define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1) | |
92 | #define OPTION_RPATH_LINK (OPTION_RPATH + 1) | |
93 | #define OPTION_SHARED (OPTION_RPATH_LINK + 1) | |
94 | #define OPTION_SONAME (OPTION_SHARED + 1) | |
95 | #define OPTION_SORT_COMMON (OPTION_SONAME + 1) | |
96 | #define OPTION_STATS (OPTION_SORT_COMMON + 1) | |
97 | #define OPTION_SYMBOLIC (OPTION_STATS + 1) | |
98 | #define OPTION_TASK_LINK (OPTION_SYMBOLIC + 1) | |
99 | #define OPTION_TBSS (OPTION_TASK_LINK + 1) | |
100 | #define OPTION_TDATA (OPTION_TBSS + 1) | |
101 | #define OPTION_TTEXT (OPTION_TDATA + 1) | |
102 | #define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1) | |
103 | #define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1) | |
104 | #define OPTION_VERBOSE (OPTION_UR + 1) | |
105 | #define OPTION_VERSION (OPTION_VERBOSE + 1) | |
106 | #define OPTION_VERSION_SCRIPT (OPTION_VERSION + 1) | |
107 | #define OPTION_VERSION_EXPORTS_SECTION (OPTION_VERSION_SCRIPT + 1) | |
108 | #define OPTION_WARN_COMMON (OPTION_VERSION_EXPORTS_SECTION + 1) | |
109 | #define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1) | |
110 | #define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_CONSTRUCTORS + 1) | |
111 | #define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1) | |
112 | #define OPTION_WARN_SECTION_ALIGN (OPTION_WARN_ONCE + 1) | |
113 | #define OPTION_SPLIT_BY_RELOC (OPTION_WARN_SECTION_ALIGN + 1) | |
114 | #define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1) | |
115 | #define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1) | |
116 | #define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1) | |
117 | #define OPTION_FORCE_EXE_SUFFIX (OPTION_WRAP + 1) | |
118 | #define OPTION_GC_SECTIONS (OPTION_FORCE_EXE_SUFFIX + 1) | |
119 | #define OPTION_NO_GC_SECTIONS (OPTION_GC_SECTIONS + 1) | |
120 | #define OPTION_CHECK_SECTIONS (OPTION_NO_GC_SECTIONS + 1) | |
121 | #define OPTION_NO_CHECK_SECTIONS (OPTION_CHECK_SECTIONS + 1) | |
122 | #define OPTION_MPC860C0 (OPTION_NO_CHECK_SECTIONS + 1) | |
123 | #define OPTION_NO_UNDEFINED (OPTION_MPC860C0 + 1) | |
3dbf70a2 MM |
124 | #define OPTION_INIT (OPTION_NO_UNDEFINED + 1) |
125 | #define OPTION_FINI (OPTION_INIT + 1) | |
176355da | 126 | #define OPTION_SECTION_START (OPTION_FINI + 1) |
252b5132 RH |
127 | |
128 | /* The long options. This structure is used for both the option | |
129 | parsing and the help text. */ | |
130 | ||
131 | struct ld_option | |
132 | { | |
133 | /* The long option information. */ | |
134 | struct option opt; | |
135 | /* The short option with the same meaning ('\0' if none). */ | |
136 | char shortopt; | |
137 | /* The name of the argument (NULL if none). */ | |
138 | const char *arg; | |
139 | /* The documentation string. If this is NULL, this is a synonym for | |
140 | the previous option. */ | |
141 | const char *doc; | |
142 | enum | |
143 | { | |
144 | /* Use one dash before long option name. */ | |
145 | ONE_DASH, | |
146 | /* Use two dashes before long option name. */ | |
147 | TWO_DASHES, | |
148 | /* Don't mention this option in --help output. */ | |
149 | NO_HELP | |
150 | } control; | |
151 | }; | |
152 | ||
153 | static const struct ld_option ld_options[] = | |
154 | { | |
155 | { {NULL, required_argument, NULL, '\0'}, | |
156 | 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"), | |
157 | ONE_DASH }, | |
158 | { {"architecture", required_argument, NULL, 'A'}, | |
159 | 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES }, | |
160 | { {"format", required_argument, NULL, 'b'}, | |
161 | 'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES }, | |
162 | { {"mri-script", required_argument, NULL, 'c'}, | |
163 | 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES }, | |
164 | { {"dc", no_argument, NULL, 'd'}, | |
165 | 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH }, | |
166 | { {"dp", no_argument, NULL, 'd'}, | |
167 | '\0', NULL, NULL, ONE_DASH }, | |
168 | { {"entry", required_argument, NULL, 'e'}, | |
169 | 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES }, | |
170 | { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC}, | |
171 | 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES }, | |
172 | { {"EB", no_argument, NULL, OPTION_EB}, | |
173 | '\0', NULL, N_("Link big-endian objects"), ONE_DASH }, | |
174 | { {"EL", no_argument, NULL, OPTION_EL}, | |
175 | '\0', NULL, N_("Link little-endian objects"), ONE_DASH }, | |
176 | { {"auxiliary", required_argument, NULL, 'f'}, | |
177 | 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"), | |
178 | TWO_DASHES }, | |
179 | { {"filter", required_argument, NULL, 'F'}, | |
180 | 'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES }, | |
181 | { {NULL, no_argument, NULL, '\0'}, | |
182 | 'g', NULL, N_("Ignored"), ONE_DASH }, | |
183 | { {"gpsize", required_argument, NULL, 'G'}, | |
184 | 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"), | |
185 | TWO_DASHES }, | |
186 | { {"soname", required_argument, NULL, OPTION_SONAME}, | |
187 | 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH }, | |
188 | { {"library", required_argument, NULL, 'l'}, | |
189 | 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES }, | |
190 | { {"library-path", required_argument, NULL, 'L'}, | |
191 | 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES }, | |
192 | { {NULL, required_argument, NULL, '\0'}, | |
193 | 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH }, | |
194 | { {"print-map", no_argument, NULL, 'M'}, | |
195 | 'M', NULL, N_("Print map file on standard output"), TWO_DASHES }, | |
196 | { {"nmagic", no_argument, NULL, 'n'}, | |
197 | 'n', NULL, N_("Do not page align data"), TWO_DASHES }, | |
198 | { {"omagic", no_argument, NULL, 'N'}, | |
199 | 'N', NULL, N_("Do not page align data, do not make text readonly"), | |
200 | TWO_DASHES }, | |
201 | { {"output", required_argument, NULL, 'o'}, | |
202 | 'o', N_("FILE"), N_("Set output file name"), TWO_DASHES }, | |
203 | { {NULL, required_argument, NULL, '\0'}, | |
204 | 'O', NULL, N_("Optimize output file"), ONE_DASH }, | |
205 | { {"Qy", no_argument, NULL, OPTION_IGNORE}, | |
206 | '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH }, | |
a712da20 NC |
207 | { {"emit-relocs", no_argument, NULL, 'q'}, |
208 | 'q', NULL, "Generate relocations in final output", TWO_DASHES }, | |
079a8e4a NC |
209 | { {"relocateable", no_argument, NULL, 'r'}, |
210 | 'r', NULL, N_("Generate relocateable output"), TWO_DASHES }, | |
252b5132 RH |
211 | { {NULL, no_argument, NULL, '\0'}, |
212 | 'i', NULL, NULL, ONE_DASH }, | |
213 | { {"just-symbols", required_argument, NULL, 'R'}, | |
214 | 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"), | |
215 | TWO_DASHES }, | |
216 | { {"strip-all", no_argument, NULL, 's'}, | |
217 | 's', NULL, N_("Strip all symbols"), TWO_DASHES }, | |
218 | { {"strip-debug", no_argument, NULL, 'S'}, | |
219 | 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES }, | |
220 | { {"trace", no_argument, NULL, 't'}, | |
221 | 't', NULL, N_("Trace file opens"), TWO_DASHES }, | |
222 | { {"script", required_argument, NULL, 'T'}, | |
223 | 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES }, | |
224 | { {"undefined", required_argument, NULL, 'u'}, | |
225 | 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES }, | |
226 | { {"Ur", no_argument, NULL, OPTION_UR}, | |
227 | '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH }, | |
228 | { {"version", no_argument, NULL, OPTION_VERSION}, | |
229 | 'v', NULL, N_("Print version information"), TWO_DASHES }, | |
230 | { {NULL, no_argument, NULL, '\0'}, | |
231 | 'V', NULL, N_("Print version and emulation information"), ONE_DASH }, | |
232 | { {"discard-all", no_argument, NULL, 'x'}, | |
233 | 'x', NULL, N_("Discard all local symbols"), TWO_DASHES }, | |
234 | { {"discard-locals", no_argument, NULL, 'X'}, | |
235 | 'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES }, | |
236 | { {"trace-symbol", required_argument, NULL, 'y'}, | |
237 | 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES }, | |
238 | { {NULL, required_argument, NULL, '\0'}, | |
239 | 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH }, | |
240 | { {NULL, required_argument, NULL, '\0'}, | |
241 | 'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH }, | |
242 | { {"start-group", no_argument, NULL, '('}, | |
243 | '(', NULL, N_("Start a group"), TWO_DASHES }, | |
244 | { {"end-group", no_argument, NULL, ')'}, | |
245 | ')', NULL, N_("End a group"), TWO_DASHES }, | |
246 | { {"assert", required_argument, NULL, OPTION_ASSERT}, | |
247 | '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH }, | |
248 | { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED}, | |
249 | '\0', NULL, N_("Link against shared libraries"), ONE_DASH }, | |
250 | { {"dy", no_argument, NULL, OPTION_CALL_SHARED}, | |
251 | '\0', NULL, NULL, ONE_DASH }, | |
252 | { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED}, | |
253 | '\0', NULL, NULL, ONE_DASH }, | |
254 | { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED}, | |
255 | '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH }, | |
256 | { {"dn", no_argument, NULL, OPTION_NON_SHARED}, | |
257 | '\0', NULL, NULL, ONE_DASH }, | |
258 | { {"non_shared", no_argument, NULL, OPTION_NON_SHARED}, | |
259 | '\0', NULL, NULL, ONE_DASH }, | |
260 | { {"static", no_argument, NULL, OPTION_NON_SHARED}, | |
261 | '\0', NULL, NULL, ONE_DASH }, | |
262 | { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC}, | |
263 | '\0', NULL, N_("Bind global references locally"), ONE_DASH }, | |
264 | { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS}, | |
265 | '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES }, | |
266 | { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS}, | |
267 | '\0', NULL, N_("Do not check section addresses for overlaps"), | |
268 | TWO_DASHES }, | |
269 | { {"cref", no_argument, NULL, OPTION_CREF}, | |
270 | '\0', NULL, N_("Output cross reference table"), TWO_DASHES }, | |
271 | { {"defsym", required_argument, NULL, OPTION_DEFSYM}, | |
272 | '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES }, | |
273 | { {"demangle", no_argument, NULL, OPTION_DEMANGLE}, | |
274 | '\0', NULL, N_("Demangle symbol names"), TWO_DASHES }, | |
275 | { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER}, | |
276 | '\0', N_("PROGRAM"), N_("Set the dynamic linker to use"), TWO_DASHES }, | |
277 | { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS}, | |
278 | '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES}, | |
3dbf70a2 MM |
279 | { {"fini", required_argument, NULL, OPTION_FINI}, |
280 | '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH }, | |
252b5132 RH |
281 | { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX}, |
282 | '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES}, | |
283 | { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS}, | |
284 | '\0', NULL, N_("Remove unused sections (on some targets)"), | |
285 | TWO_DASHES }, | |
286 | { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS}, | |
287 | '\0', NULL, N_("Don't remove unused sections (default)"), | |
288 | TWO_DASHES }, | |
289 | { {"help", no_argument, NULL, OPTION_HELP}, | |
290 | '\0', NULL, N_("Print option help"), TWO_DASHES }, | |
3dbf70a2 MM |
291 | { {"init", required_argument, NULL, OPTION_INIT}, |
292 | '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH }, | |
252b5132 RH |
293 | { {"Map", required_argument, NULL, OPTION_MAP}, |
294 | '\0', N_("FILE"), N_("Write a map file"), ONE_DASH }, | |
295 | { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE }, | |
296 | '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES }, | |
297 | { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY}, | |
298 | '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES }, | |
299 | { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED}, | |
300 | '\0', NULL, N_("Allow no undefined symbols"), TWO_DASHES }, | |
301 | { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH}, | |
302 | '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES}, | |
303 | { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE}, | |
304 | '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES }, | |
305 | { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC}, | |
306 | '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES }, | |
307 | { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC}, | |
308 | '\0', NULL, NULL, NO_HELP }, | |
309 | { {"oformat", required_argument, NULL, OPTION_OFORMAT}, | |
310 | '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES }, | |
311 | { {"qmagic", no_argument, NULL, OPTION_IGNORE}, | |
312 | '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH }, | |
313 | { {"relax", no_argument, NULL, OPTION_RELAX}, | |
314 | '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES }, | |
315 | { {"retain-symbols-file", required_argument, NULL, | |
316 | OPTION_RETAIN_SYMBOLS_FILE}, | |
317 | '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES }, | |
318 | { {"rpath", required_argument, NULL, OPTION_RPATH}, | |
319 | '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH }, | |
320 | { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK}, | |
321 | '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH }, | |
322 | { {"shared", no_argument, NULL, OPTION_SHARED}, | |
323 | '\0', NULL, N_("Create a shared library"), ONE_DASH }, | |
324 | { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */ | |
325 | '\0', NULL, NULL, ONE_DASH }, | |
326 | { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON}, | |
327 | '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES }, | |
328 | { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON}, | |
329 | '\0', NULL, NULL, NO_HELP }, | |
330 | { {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE}, | |
331 | '\0', NULL, N_("Split output sections for each file"), TWO_DASHES }, | |
332 | { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC}, | |
333 | '\0', N_("COUNT"), N_("Split output sections every COUNT relocs"), TWO_DASHES }, | |
334 | { {"stats", no_argument, NULL, OPTION_STATS}, | |
335 | '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES }, | |
336 | { {"task-link", required_argument, NULL, OPTION_TASK_LINK}, | |
337 | '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES }, | |
338 | { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}, | |
339 | '\0', NULL, N_("Use same format as native linker"), TWO_DASHES }, | |
176355da NC |
340 | { {"section-start", required_argument, NULL, OPTION_SECTION_START}, |
341 | '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"), TWO_DASHES }, | |
252b5132 RH |
342 | { {"Tbss", required_argument, NULL, OPTION_TBSS}, |
343 | '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH }, | |
344 | { {"Tdata", required_argument, NULL, OPTION_TDATA}, | |
345 | '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH }, | |
346 | { {"Ttext", required_argument, NULL, OPTION_TTEXT}, | |
347 | '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH }, | |
348 | { {"verbose", no_argument, NULL, OPTION_VERBOSE}, | |
349 | '\0', NULL, N_("Output lots of information during link"), TWO_DASHES }, | |
350 | { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */ | |
351 | '\0', NULL, NULL, NO_HELP }, | |
352 | { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT }, | |
353 | '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES }, | |
354 | { {"version-exports-section", required_argument, NULL, | |
355 | OPTION_VERSION_EXPORTS_SECTION }, | |
b3043ee4 | 356 | '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."), |
252b5132 RH |
357 | TWO_DASHES }, |
358 | { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON}, | |
359 | '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES }, | |
360 | { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS}, | |
361 | '\0', NULL, N_("Warn if global constructors/destructors are seen"), | |
362 | TWO_DASHES }, | |
363 | { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP}, | |
364 | '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES }, | |
365 | { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE}, | |
366 | '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES }, | |
367 | { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN}, | |
368 | '\0', NULL, N_("Warn if start of section changes due to alignment"), | |
369 | TWO_DASHES }, | |
370 | { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE}, | |
371 | '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES }, | |
372 | { {"wrap", required_argument, NULL, OPTION_WRAP}, | |
373 | '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES }, | |
374 | { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0}, | |
b3043ee4 | 375 | '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES } |
252b5132 RH |
376 | }; |
377 | ||
378 | #define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0])) | |
379 | ||
3d9f6277 ILT |
380 | /* Test STRING for containing a string of digits that form a number |
381 | between MIN and MAX. The return value is the number or ERR. */ | |
382 | ||
383 | static int | |
384 | is_num (string, min, max, err) | |
385 | const char *string; | |
386 | int min; | |
387 | int max; | |
388 | int err; | |
252b5132 RH |
389 | { |
390 | int result = 0; | |
391 | ||
3d9f6277 | 392 | for (; *string; ++string) |
252b5132 | 393 | { |
3d9f6277 ILT |
394 | if (! isdigit (*string)) |
395 | { | |
396 | result = err; | |
397 | break; | |
398 | } | |
399 | result = result * 10 + (*string - '0'); | |
252b5132 | 400 | } |
252b5132 RH |
401 | if (result < min || result > max) |
402 | result = err; | |
403 | ||
404 | return result; | |
405 | } | |
406 | ||
407 | void | |
408 | parse_args (argc, argv) | |
409 | int argc; | |
410 | char **argv; | |
411 | { | |
412 | int i, is, il; | |
413 | int ingroup = 0; | |
414 | char *default_dirlist = NULL; | |
415 | char shortopts[OPTION_COUNT * 3 + 2]; | |
416 | struct option longopts[OPTION_COUNT + 1]; | |
417 | int last_optind; | |
418 | ||
419 | /* Starting the short option string with '-' is for programs that | |
420 | expect options and other ARGV-elements in any order and that care about | |
421 | the ordering of the two. We describe each non-option ARGV-element | |
422 | as if it were the argument of an option with character code 1. */ | |
423 | shortopts[0] = '-'; | |
424 | is = 1; | |
425 | il = 0; | |
426 | for (i = 0; i < OPTION_COUNT; i++) | |
427 | { | |
428 | if (ld_options[i].shortopt != '\0') | |
429 | { | |
430 | shortopts[is] = ld_options[i].shortopt; | |
431 | ++is; | |
432 | if (ld_options[i].opt.has_arg == required_argument | |
433 | || ld_options[i].opt.has_arg == optional_argument) | |
434 | { | |
435 | shortopts[is] = ':'; | |
436 | ++is; | |
437 | if (ld_options[i].opt.has_arg == optional_argument) | |
438 | { | |
439 | shortopts[is] = ':'; | |
440 | ++is; | |
441 | } | |
442 | } | |
443 | } | |
444 | if (ld_options[i].opt.name != NULL) | |
445 | { | |
446 | longopts[il] = ld_options[i].opt; | |
447 | ++il; | |
448 | } | |
449 | } | |
450 | shortopts[is] = '\0'; | |
451 | longopts[il].name = NULL; | |
452 | ||
453 | /* The -G option is ambiguous on different platforms. Sometimes it | |
454 | specifies the largest data size to put into the small data | |
455 | section. Sometimes it is equivalent to --shared. Unfortunately, | |
456 | the first form takes an argument, while the second does not. | |
457 | ||
458 | We need to permit the --shared form because on some platforms, | |
459 | such as Solaris, gcc -shared will pass -G to the linker. | |
460 | ||
461 | To permit either usage, we look through the argument list. If we | |
462 | find -G not followed by a number, we change it into --shared. | |
463 | This will work for most normal cases. */ | |
464 | for (i = 1; i < argc; i++) | |
465 | if (strcmp (argv[i], "-G") == 0 | |
466 | && (i + 1 >= argc | |
467 | || ! isdigit ((unsigned char) argv[i + 1][0]))) | |
468 | argv[i] = (char *) "--shared"; | |
469 | ||
470 | /* Because we permit long options to start with a single dash, and | |
471 | we have a --library option, and the -l option is conventionally | |
472 | used with an immediately following argument, we can have bad | |
473 | results if somebody tries to use -l with a library whose name | |
474 | happens to start with "ibrary", as in -li. We avoid problems by | |
475 | simply turning -l into --library. This means that users will | |
476 | have to use two dashes in order to use --library, which is OK | |
477 | since that's how it is documented. | |
478 | ||
479 | FIXME: It's possible that this problem can arise for other short | |
480 | options as well, although the user does always have the recourse | |
481 | of adding a space between the option and the argument. */ | |
482 | for (i = 1; i < argc; i++) | |
483 | { | |
484 | if (argv[i][0] == '-' | |
485 | && argv[i][1] == 'l' | |
486 | && argv[i][2] != '\0') | |
487 | { | |
488 | char *n; | |
489 | ||
490 | n = (char *) xmalloc (strlen (argv[i]) + 20); | |
491 | sprintf (n, "--library=%s", argv[i] + 2); | |
492 | argv[i] = n; | |
493 | } | |
494 | } | |
495 | ||
496 | last_optind = -1; | |
497 | while (1) | |
498 | { | |
499 | int longind; | |
500 | int optc; | |
501 | ||
502 | /* Using last_optind lets us avoid calling ldemul_parse_args | |
503 | multiple times on a single option, which would lead to | |
504 | confusion in the internal static variables maintained by | |
505 | getopt. This could otherwise happen for an argument like | |
506 | -nx, in which the -n is parsed as a single option, and we | |
507 | loop around to pick up the -x. */ | |
508 | if (optind != last_optind) | |
509 | { | |
510 | if (ldemul_parse_args (argc, argv)) | |
511 | continue; | |
512 | last_optind = optind; | |
513 | } | |
514 | ||
515 | /* getopt_long_only is like getopt_long, but '-' as well as '--' | |
516 | can indicate a long option. */ | |
517 | optc = getopt_long_only (argc, argv, shortopts, longopts, &longind); | |
518 | ||
519 | if (optc == -1) | |
520 | break; | |
521 | switch (optc) | |
522 | { | |
523 | default: | |
03983865 ILT |
524 | fprintf (stderr, |
525 | _("%s: use the --help option for usage information\n"), | |
526 | program_name); | |
252b5132 RH |
527 | xexit (1); |
528 | case 1: /* File name. */ | |
529 | lang_add_input_file (optarg, lang_input_file_is_file_enum, | |
530 | (char *) NULL); | |
531 | break; | |
532 | ||
533 | case OPTION_IGNORE: | |
534 | break; | |
535 | case 'a': | |
536 | /* For HP/UX compatibility. Actually -a shared should mean | |
537 | ``use only shared libraries'' but, then, we don't | |
538 | currently support shared libraries on HP/UX anyhow. */ | |
539 | if (strcmp (optarg, "archive") == 0) | |
540 | config.dynamic_link = false; | |
541 | else if (strcmp (optarg, "shared") == 0 | |
542 | || strcmp (optarg, "default") == 0) | |
543 | config.dynamic_link = true; | |
544 | else | |
545 | einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg); | |
546 | break; | |
547 | case OPTION_ASSERT: | |
548 | /* FIXME: We just ignore these, but we should handle them. */ | |
549 | if (strcmp (optarg, "definitions") == 0) | |
550 | ; | |
551 | else if (strcmp (optarg, "nodefinitions") == 0) | |
552 | ; | |
553 | else if (strcmp (optarg, "nosymbolic") == 0) | |
554 | ; | |
555 | else if (strcmp (optarg, "pure-text") == 0) | |
556 | ; | |
557 | else | |
558 | einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg); | |
559 | break; | |
560 | case 'A': | |
561 | ldfile_add_arch (optarg); | |
562 | break; | |
563 | case 'b': | |
564 | lang_add_target (optarg); | |
565 | break; | |
566 | case 'c': | |
567 | ldfile_open_command_file (optarg); | |
568 | parser_input = input_mri_script; | |
569 | yyparse (); | |
570 | break; | |
571 | case OPTION_CALL_SHARED: | |
572 | config.dynamic_link = true; | |
573 | break; | |
574 | case OPTION_NON_SHARED: | |
575 | config.dynamic_link = false; | |
576 | break; | |
577 | case OPTION_CREF: | |
578 | command_line.cref = true; | |
579 | link_info.notice_all = true; | |
580 | break; | |
581 | case 'd': | |
582 | command_line.force_common_definition = true; | |
583 | break; | |
584 | case OPTION_DEFSYM: | |
585 | lex_string = optarg; | |
586 | lex_redirect (optarg); | |
587 | parser_input = input_defsym; | |
588 | parsing_defsym = 1; | |
589 | yyparse (); | |
590 | parsing_defsym = 0; | |
591 | lex_string = NULL; | |
592 | break; | |
593 | case OPTION_DEMANGLE: | |
594 | demangling = true; | |
595 | break; | |
596 | case OPTION_DYNAMIC_LINKER: | |
597 | command_line.interpreter = optarg; | |
598 | break; | |
599 | case OPTION_EB: | |
600 | command_line.endian = ENDIAN_BIG; | |
601 | break; | |
602 | case OPTION_EL: | |
603 | command_line.endian = ENDIAN_LITTLE; | |
604 | break; | |
605 | case OPTION_EMBEDDED_RELOCS: | |
606 | command_line.embedded_relocs = true; | |
607 | break; | |
608 | case OPTION_EXPORT_DYNAMIC: | |
609 | case 'E': /* HP/UX compatibility. */ | |
610 | command_line.export_dynamic = true; | |
611 | break; | |
612 | case 'e': | |
613 | lang_add_entry (optarg, true); | |
614 | break; | |
615 | case 'f': | |
616 | if (command_line.auxiliary_filters == NULL) | |
617 | { | |
618 | command_line.auxiliary_filters = | |
619 | (char **) xmalloc (2 * sizeof (char *)); | |
620 | command_line.auxiliary_filters[0] = optarg; | |
621 | command_line.auxiliary_filters[1] = NULL; | |
622 | } | |
623 | else | |
624 | { | |
625 | int c; | |
626 | char **p; | |
627 | ||
628 | c = 0; | |
629 | for (p = command_line.auxiliary_filters; *p != NULL; p++) | |
630 | ++c; | |
631 | command_line.auxiliary_filters = | |
632 | (char **) xrealloc (command_line.auxiliary_filters, | |
633 | (c + 2) * sizeof (char *)); | |
634 | command_line.auxiliary_filters[c] = optarg; | |
635 | command_line.auxiliary_filters[c + 1] = NULL; | |
636 | } | |
637 | break; | |
638 | case 'F': | |
639 | command_line.filter_shlib = optarg; | |
640 | break; | |
641 | case OPTION_FORCE_EXE_SUFFIX: | |
642 | command_line.force_exe_suffix = true; | |
643 | break; | |
644 | case 'G': | |
645 | { | |
646 | char *end; | |
647 | g_switch_value = strtoul (optarg, &end, 0); | |
648 | if (*end) | |
649 | einfo (_("%P%F: invalid number `%s'\n"), optarg); | |
650 | } | |
651 | break; | |
652 | case 'g': | |
653 | /* Ignore. */ | |
654 | break; | |
655 | case OPTION_GC_SECTIONS: | |
656 | command_line.gc_sections = true; | |
657 | break; | |
658 | case OPTION_HELP: | |
659 | help (); | |
660 | xexit (0); | |
661 | break; | |
662 | case 'L': | |
663 | ldfile_add_library_path (optarg, true); | |
664 | break; | |
665 | case 'l': | |
666 | lang_add_input_file (optarg, lang_input_file_is_l_enum, | |
667 | (char *) NULL); | |
668 | break; | |
669 | case 'M': | |
670 | config.map_filename = "-"; | |
671 | break; | |
672 | case 'm': | |
673 | /* Ignore. Was handled in a pre-parse. */ | |
674 | break; | |
675 | case OPTION_MAP: | |
676 | config.map_filename = optarg; | |
677 | break; | |
678 | case 'N': | |
679 | config.text_read_only = false; | |
680 | config.magic_demand_paged = false; | |
681 | config.dynamic_link = false; | |
682 | break; | |
683 | case 'n': | |
684 | config.magic_demand_paged = false; | |
685 | config.dynamic_link = false; | |
686 | break; | |
687 | case OPTION_NO_DEMANGLE: | |
688 | demangling = false; | |
689 | break; | |
690 | case OPTION_NO_GC_SECTIONS: | |
691 | command_line.gc_sections = false; | |
692 | break; | |
693 | case OPTION_NO_KEEP_MEMORY: | |
694 | link_info.keep_memory = false; | |
695 | break; | |
696 | case OPTION_NO_UNDEFINED: | |
697 | link_info.no_undefined = true; | |
698 | break; | |
699 | case OPTION_NO_WARN_MISMATCH: | |
700 | command_line.warn_mismatch = false; | |
701 | break; | |
702 | case OPTION_NOINHIBIT_EXEC: | |
703 | force_make_executable = true; | |
704 | break; | |
705 | case OPTION_NO_WHOLE_ARCHIVE: | |
706 | whole_archive = false; | |
707 | break; | |
708 | case 'O': | |
709 | /* FIXME "-O<non-digits> <value>" used to set the address of | |
710 | section <non-digits>. Was this for compatibility with | |
711 | something, or can we create a new option to do that | |
712 | (with a syntax similar to -defsym)? | |
713 | getopt can't handle two args to an option without kludges. */ | |
714 | ||
715 | /* Enable optimizations of output files. */ | |
716 | link_info.optimize = strtoul (optarg, NULL, 0) ? true : false; | |
717 | break; | |
718 | case 'o': | |
719 | lang_add_output (optarg, 0); | |
720 | break; | |
721 | case OPTION_OFORMAT: | |
722 | lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0); | |
723 | break; | |
a712da20 NC |
724 | case 'q': |
725 | link_info.emitrelocations = true; | |
726 | break; | |
8c5ff972 | 727 | case 'i': |
252b5132 RH |
728 | case 'r': |
729 | link_info.relocateable = true; | |
730 | config.build_constructors = false; | |
731 | config.magic_demand_paged = false; | |
732 | config.text_read_only = false; | |
733 | config.dynamic_link = false; | |
734 | break; | |
735 | case 'R': | |
736 | /* The GNU linker traditionally uses -R to mean to include | |
737 | only the symbols from a file. The Solaris linker uses -R | |
738 | to set the path used by the runtime linker to find | |
739 | libraries. This is the GNU linker -rpath argument. We | |
740 | try to support both simultaneously by checking the file | |
741 | named. If it is a directory, rather than a regular file, | |
742 | we assume -rpath was meant. */ | |
743 | { | |
744 | struct stat s; | |
745 | ||
746 | if (stat (optarg, &s) >= 0 | |
747 | && ! S_ISDIR (s.st_mode)) | |
748 | { | |
749 | lang_add_input_file (optarg, | |
750 | lang_input_file_is_symbols_only_enum, | |
751 | (char *) NULL); | |
752 | break; | |
753 | } | |
754 | } | |
755 | /* Fall through. */ | |
756 | case OPTION_RPATH: | |
757 | if (command_line.rpath == NULL) | |
758 | command_line.rpath = buystring (optarg); | |
759 | else | |
760 | { | |
761 | size_t rpath_len = strlen (command_line.rpath); | |
762 | size_t optarg_len = strlen (optarg); | |
763 | char *buf; | |
764 | char *cp = command_line.rpath; | |
765 | ||
766 | /* First see whether OPTARG is already in the path. */ | |
767 | do | |
768 | { | |
769 | size_t idx = 0; | |
770 | while (optarg[idx] != '\0' && optarg[idx] == cp[idx]) | |
771 | ++idx; | |
772 | if (optarg[idx] == '\0' | |
773 | && (cp[idx] == '\0' || cp[idx] == ':')) | |
774 | /* We found it. */ | |
775 | break; | |
776 | ||
777 | /* Not yet found. */ | |
778 | cp = strchr (cp, ':'); | |
779 | if (cp != NULL) | |
780 | ++cp; | |
781 | } | |
782 | while (cp != NULL); | |
783 | ||
784 | if (cp == NULL) | |
785 | { | |
786 | buf = xmalloc (rpath_len + optarg_len + 2); | |
787 | sprintf (buf, "%s:%s", command_line.rpath, optarg); | |
788 | free (command_line.rpath); | |
789 | command_line.rpath = buf; | |
790 | } | |
791 | } | |
792 | break; | |
793 | case OPTION_RPATH_LINK: | |
794 | if (command_line.rpath_link == NULL) | |
795 | command_line.rpath_link = buystring (optarg); | |
796 | else | |
797 | { | |
798 | char *buf; | |
799 | ||
800 | buf = xmalloc (strlen (command_line.rpath_link) | |
801 | + strlen (optarg) | |
802 | + 2); | |
803 | sprintf (buf, "%s:%s", command_line.rpath_link, optarg); | |
804 | free (command_line.rpath_link); | |
805 | command_line.rpath_link = buf; | |
806 | } | |
807 | break; | |
808 | case OPTION_RELAX: | |
809 | command_line.relax = true; | |
810 | break; | |
811 | case OPTION_RETAIN_SYMBOLS_FILE: | |
812 | add_keepsyms_file (optarg); | |
813 | break; | |
814 | case 'S': | |
815 | link_info.strip = strip_debugger; | |
816 | break; | |
817 | case 's': | |
818 | link_info.strip = strip_all; | |
819 | break; | |
820 | case OPTION_SHARED: | |
821 | if (config.has_shared) | |
822 | link_info.shared = true; | |
823 | else | |
824 | einfo (_("%P%F: -shared not supported\n")); | |
825 | break; | |
826 | case 'h': /* Used on Solaris. */ | |
827 | case OPTION_SONAME: | |
828 | command_line.soname = optarg; | |
829 | break; | |
830 | case OPTION_SORT_COMMON: | |
831 | config.sort_common = true; | |
832 | break; | |
833 | case OPTION_STATS: | |
834 | config.stats = true; | |
835 | break; | |
836 | case OPTION_SYMBOLIC: | |
837 | link_info.symbolic = true; | |
838 | break; | |
839 | case 't': | |
840 | trace_files = true; | |
841 | break; | |
842 | case 'T': | |
843 | ldfile_open_command_file (optarg); | |
844 | parser_input = input_script; | |
845 | yyparse (); | |
846 | break; | |
176355da NC |
847 | case OPTION_SECTION_START: |
848 | { | |
849 | char *optarg2; | |
850 | ||
851 | /* Check for <something>=<somthing>... */ | |
852 | optarg2 = strchr (optarg, '='); | |
853 | if (optarg2 == NULL) | |
854 | { | |
855 | fprintf (stderr, | |
856 | _("%s: Invalid argument to option \"--section-start\"\n"), | |
857 | program_name); | |
858 | xexit (1); | |
859 | } | |
860 | ||
861 | optarg2 ++; | |
862 | ||
863 | /* So far so good. Are all the args present? */ | |
864 | if ((*optarg == '\0') || (*optarg2 == '\0')) | |
865 | { | |
866 | fprintf (stderr, | |
867 | _("%s: Missing argument(s) to option \"--section-start\"\n"), | |
868 | program_name); | |
869 | xexit (1); | |
870 | } | |
871 | ||
872 | optarg2[-1] = '\0'; | |
873 | ||
874 | /* Then set it... */ | |
875 | set_section_start (optarg, optarg2); | |
876 | ||
877 | optarg2[-1] = '='; | |
878 | } | |
879 | break; | |
252b5132 RH |
880 | case OPTION_TBSS: |
881 | set_section_start (".bss", optarg); | |
882 | break; | |
883 | case OPTION_TDATA: | |
884 | set_section_start (".data", optarg); | |
885 | break; | |
886 | case OPTION_TTEXT: | |
887 | set_section_start (".text", optarg); | |
888 | break; | |
889 | case OPTION_TRADITIONAL_FORMAT: | |
890 | link_info.traditional_format = true; | |
891 | break; | |
892 | case OPTION_TASK_LINK: | |
893 | link_info.task_link = true; | |
894 | /* Fall through - do an implied -r option. */ | |
895 | case OPTION_UR: | |
896 | link_info.relocateable = true; | |
897 | config.build_constructors = true; | |
898 | config.magic_demand_paged = false; | |
899 | config.text_read_only = false; | |
900 | config.dynamic_link = false; | |
901 | break; | |
902 | case 'u': | |
903 | ldlang_add_undef (optarg); | |
904 | break; | |
905 | case OPTION_VERBOSE: | |
906 | ldversion (1); | |
907 | version_printed = true; | |
908 | trace_file_tries = true; | |
909 | break; | |
910 | case 'v': | |
911 | ldversion (0); | |
912 | version_printed = true; | |
913 | break; | |
914 | case 'V': | |
915 | ldversion (1); | |
916 | version_printed = true; | |
917 | break; | |
918 | case OPTION_VERSION: | |
919 | /* This output is intended to follow the GNU standards document. */ | |
920 | printf ("GNU ld %s\n", ld_program_version); | |
c2f1343c | 921 | printf (_("Copyright 2000 Free Software Foundation, Inc.\n")); |
252b5132 RH |
922 | printf (_("\ |
923 | This program is free software; you may redistribute it under the terms of\n\ | |
924 | the GNU General Public License. This program has absolutely no warranty.\n")); | |
925 | { | |
926 | ld_emulation_xfer_type **ptr = ld_emulations; | |
927 | ||
928 | printf (_(" Supported emulations:\n")); | |
929 | while (*ptr) | |
930 | { | |
931 | printf (" %s\n", (*ptr)->emulation_name); | |
932 | ptr++; | |
933 | } | |
934 | } | |
935 | xexit (0); | |
936 | break; | |
937 | case OPTION_VERSION_SCRIPT: | |
938 | /* This option indicates a small script that only specifies | |
939 | version information. Read it, but don't assume that | |
940 | we've seen a linker script. */ | |
941 | { | |
942 | boolean hold_had_script; | |
943 | ||
944 | hold_had_script = had_script; | |
945 | ldfile_open_command_file (optarg); | |
946 | had_script = hold_had_script; | |
947 | parser_input = input_version_script; | |
948 | yyparse (); | |
949 | } | |
950 | break; | |
951 | case OPTION_VERSION_EXPORTS_SECTION: | |
952 | /* This option records a version symbol to be applied to the | |
953 | symbols listed for export to be found in the object files | |
954 | .exports sections. */ | |
955 | command_line.version_exports_section = optarg; | |
956 | break; | |
957 | case OPTION_WARN_COMMON: | |
958 | config.warn_common = true; | |
959 | break; | |
960 | case OPTION_WARN_CONSTRUCTORS: | |
961 | config.warn_constructors = true; | |
962 | break; | |
963 | case OPTION_WARN_MULTIPLE_GP: | |
964 | config.warn_multiple_gp = true; | |
965 | break; | |
966 | case OPTION_WARN_ONCE: | |
967 | config.warn_once = true; | |
968 | break; | |
969 | case OPTION_WARN_SECTION_ALIGN: | |
970 | config.warn_section_align = true; | |
971 | break; | |
972 | case OPTION_WHOLE_ARCHIVE: | |
973 | whole_archive = true; | |
974 | break; | |
975 | case OPTION_WRAP: | |
976 | add_wrap (optarg); | |
977 | break; | |
978 | case 'X': | |
979 | link_info.discard = discard_l; | |
980 | break; | |
981 | case 'x': | |
982 | link_info.discard = discard_all; | |
983 | break; | |
984 | case 'Y': | |
985 | if (strncmp (optarg, "P,", 2) == 0) | |
986 | optarg += 2; | |
987 | default_dirlist = xstrdup (optarg); | |
988 | break; | |
989 | case 'y': | |
990 | add_ysym (optarg); | |
991 | break; | |
992 | case 'z': | |
993 | /* We accept and ignore this option for Solaris | |
994 | compatibility. Actually, on Solaris, optarg is not | |
995 | ignored. Someday we should handle it correctly. FIXME. */ | |
996 | break; | |
997 | case OPTION_SPLIT_BY_RELOC: | |
d98dd8ba | 998 | config.split_by_reloc = strtoul (optarg, NULL, 0); |
252b5132 RH |
999 | break; |
1000 | case OPTION_SPLIT_BY_FILE: | |
1001 | config.split_by_file = true; | |
1002 | break; | |
1003 | case OPTION_CHECK_SECTIONS: | |
1004 | command_line.check_section_addresses = true; | |
1005 | break; | |
1006 | case OPTION_NO_CHECK_SECTIONS: | |
1007 | command_line.check_section_addresses = false; | |
1008 | break; | |
1009 | case '(': | |
1010 | if (ingroup) | |
1011 | { | |
1012 | fprintf (stderr, | |
1013 | _("%s: may not nest groups (--help for usage)\n"), | |
1014 | program_name); | |
1015 | xexit (1); | |
1016 | } | |
1017 | lang_enter_group (); | |
1018 | ingroup = 1; | |
1019 | break; | |
1020 | case ')': | |
1021 | if (! ingroup) | |
1022 | { | |
1023 | fprintf (stderr, | |
1024 | _("%s: group ended before it began (--help for usage)\n"), | |
1025 | program_name); | |
1026 | xexit (1); | |
1027 | } | |
1028 | lang_leave_group (); | |
1029 | ingroup = 0; | |
1030 | break; | |
1031 | case OPTION_MPC860C0: | |
1032 | link_info.mpc860c0 = 20; /* default value (in bytes) */ | |
1033 | if (optarg) | |
1034 | { | |
1035 | unsigned words; | |
1036 | ||
1037 | words = is_num (optarg, 1, 10, 0); | |
1038 | if (words == 0) | |
1039 | { | |
3d9f6277 ILT |
1040 | fprintf (stderr, |
1041 | _("%s: Invalid argument to option \"mpc860c0\"\n"), | |
1042 | program_name); | |
252b5132 RH |
1043 | xexit (1); |
1044 | } | |
1045 | link_info.mpc860c0 = words * 4; /* convert words to bytes */ | |
1046 | } | |
1047 | command_line.relax = true; | |
1048 | break; | |
3dbf70a2 MM |
1049 | |
1050 | case OPTION_INIT: | |
1051 | link_info.init_function = optarg; | |
1052 | break; | |
1053 | ||
1054 | case OPTION_FINI: | |
1055 | link_info.fini_function = optarg; | |
1056 | break; | |
252b5132 RH |
1057 | } |
1058 | } | |
1059 | ||
1060 | if (ingroup) | |
1061 | lang_leave_group (); | |
1062 | ||
1063 | if (default_dirlist != NULL) | |
1064 | set_default_dirlist (default_dirlist); | |
1065 | ||
1066 | } | |
1067 | ||
1068 | /* Add the (colon-separated) elements of DIRLIST_PTR to the | |
1069 | library search path. */ | |
1070 | ||
1071 | static void | |
1072 | set_default_dirlist (dirlist_ptr) | |
1073 | char *dirlist_ptr; | |
1074 | { | |
1075 | char *p; | |
1076 | ||
1077 | while (1) | |
1078 | { | |
1079 | p = strchr (dirlist_ptr, PATH_SEPARATOR); | |
1080 | if (p != NULL) | |
1081 | *p = '\0'; | |
1082 | if (*dirlist_ptr != '\0') | |
1083 | ldfile_add_library_path (dirlist_ptr, true); | |
1084 | if (p == NULL) | |
1085 | break; | |
1086 | dirlist_ptr = p + 1; | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | static void | |
1091 | set_section_start (sect, valstr) | |
1092 | char *sect, *valstr; | |
1093 | { | |
93697284 AM |
1094 | const char *end; |
1095 | bfd_vma val = bfd_scan_vma (valstr, &end, 16); | |
252b5132 RH |
1096 | if (*end) |
1097 | einfo (_("%P%F: invalid hex number `%s'\n"), valstr); | |
1098 | lang_section_start (sect, exp_intop (val)); | |
1099 | } | |
1100 | \f | |
1101 | /* Print help messages for the options. */ | |
1102 | ||
1103 | static void | |
1104 | help () | |
1105 | { | |
1106 | int i; | |
1107 | const char **targets, **pp; | |
1108 | ||
1109 | printf (_("Usage: %s [options] file...\n"), program_name); | |
1110 | ||
1111 | printf (_("Options:\n")); | |
1112 | for (i = 0; i < OPTION_COUNT; i++) | |
1113 | { | |
1114 | if (ld_options[i].doc != NULL) | |
1115 | { | |
1116 | boolean comma; | |
1117 | int len; | |
1118 | int j; | |
1119 | ||
1120 | printf (" "); | |
1121 | ||
1122 | comma = false; | |
1123 | len = 2; | |
1124 | ||
1125 | j = i; | |
1126 | do | |
1127 | { | |
1128 | if (ld_options[j].shortopt != '\0' | |
1129 | && ld_options[j].control != NO_HELP) | |
1130 | { | |
1131 | printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt); | |
1132 | len += (comma ? 2 : 0) + 2; | |
1133 | if (ld_options[j].arg != NULL) | |
1134 | { | |
1135 | if (ld_options[j].opt.has_arg != optional_argument) | |
1136 | { | |
1137 | printf (" "); | |
1138 | ++len; | |
1139 | } | |
1140 | printf ("%s", _(ld_options[j].arg)); | |
1141 | len += strlen (_(ld_options[j].arg)); | |
1142 | } | |
1143 | comma = true; | |
1144 | } | |
1145 | ++j; | |
1146 | } | |
1147 | while (j < OPTION_COUNT && ld_options[j].doc == NULL); | |
1148 | ||
1149 | j = i; | |
1150 | do | |
1151 | { | |
1152 | if (ld_options[j].opt.name != NULL | |
1153 | && ld_options[j].control != NO_HELP) | |
1154 | { | |
1155 | printf ("%s-%s%s", | |
1156 | comma ? ", " : "", | |
1157 | ld_options[j].control == TWO_DASHES ? "-" : "", | |
1158 | ld_options[j].opt.name); | |
1159 | len += ((comma ? 2 : 0) | |
1160 | + 1 | |
1161 | + (ld_options[j].control == TWO_DASHES ? 1 : 0) | |
1162 | + strlen (ld_options[j].opt.name)); | |
1163 | if (ld_options[j].arg != NULL) | |
1164 | { | |
1165 | printf (" %s", _(ld_options[j].arg)); | |
1166 | len += 1 + strlen (_(ld_options[j].arg)); | |
1167 | } | |
1168 | comma = true; | |
1169 | } | |
1170 | ++j; | |
1171 | } | |
1172 | while (j < OPTION_COUNT && ld_options[j].doc == NULL); | |
1173 | ||
1174 | if (len >= 30) | |
1175 | { | |
1176 | printf ("\n"); | |
1177 | len = 0; | |
1178 | } | |
1179 | ||
1180 | for (; len < 30; len++) | |
1181 | putchar (' '); | |
1182 | ||
1183 | printf ("%s\n", _(ld_options[i].doc)); | |
1184 | } | |
1185 | } | |
1186 | ||
f75692fe NC |
1187 | /* Note: Various tools (such as libtool) depend upon the |
1188 | format of the listings below - do not change them. */ | |
252b5132 | 1189 | /* xgettext:c-format */ |
f75692fe | 1190 | printf (_("%s: supported targets:"), program_name); |
252b5132 RH |
1191 | targets = bfd_target_list (); |
1192 | for (pp = targets; *pp != NULL; pp++) | |
1193 | printf (" %s", *pp); | |
1194 | free (targets); | |
1195 | printf ("\n"); | |
1196 | ||
1197 | /* xgettext:c-format */ | |
f75692fe | 1198 | printf (_("%s: supported emulations: "), program_name); |
252b5132 RH |
1199 | ldemul_list_emulations (stdout); |
1200 | printf ("\n"); | |
1201 | ||
1202 | /* xgettext:c-format */ | |
1203 | printf (_("%s: emulation specific options:\n"), program_name); | |
1204 | ldemul_list_emulation_options (stdout); | |
1205 | printf ("\n"); | |
c20f4f8c | 1206 | |
8ad3436c | 1207 | printf (_("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 | 1208 | } |