xref: /openbsd-src/gnu/usr.bin/binutils/ld/lexsup.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /* Parse options for the GNU linker.
2    Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
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 
58 static int is_num PARAMS ((const char *, int, int, int));
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)
124 #define OPTION_INIT                     (OPTION_NO_UNDEFINED + 1)
125 #define OPTION_FINI                     (OPTION_INIT + 1)
126 
127 /* The long options.  This structure is used for both the option
128    parsing and the help text.  */
129 
130 struct ld_option
131 {
132   /* The long option information.  */
133   struct option opt;
134   /* The short option with the same meaning ('\0' if none).  */
135   char shortopt;
136   /* The name of the argument (NULL if none).  */
137   const char *arg;
138   /* The documentation string.  If this is NULL, this is a synonym for
139      the previous option.  */
140   const char *doc;
141   enum
142     {
143       /* Use one dash before long option name.  */
144       ONE_DASH,
145       /* Use two dashes before long option name.  */
146       TWO_DASHES,
147       /* Don't mention this option in --help output.  */
148       NO_HELP
149     } control;
150 };
151 
152 static const struct ld_option ld_options[] =
153 {
154   { {NULL, required_argument, NULL, '\0'},
155       'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
156       ONE_DASH },
157   { {"architecture", required_argument, NULL, 'A'},
158       'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
159   { {"format", required_argument, NULL, 'b'},
160       'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES },
161   { {"mri-script", required_argument, NULL, 'c'},
162       'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
163   { {"dc", no_argument, NULL, 'd'},
164       'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
165   { {"dp", no_argument, NULL, 'd'},
166       '\0', NULL, NULL, ONE_DASH },
167   { {"entry", required_argument, NULL, 'e'},
168       'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
169   { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
170       'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
171   { {"EB", no_argument, NULL, OPTION_EB},
172       '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
173   { {"EL", no_argument, NULL, OPTION_EL},
174       '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
175   { {"auxiliary", required_argument, NULL, 'f'},
176       'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
177       TWO_DASHES },
178   { {"filter", required_argument, NULL, 'F'},
179       'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES },
180   { {NULL, no_argument, NULL, '\0'},
181       'g', NULL, N_("Ignored"), ONE_DASH },
182   { {"gpsize", required_argument, NULL, 'G'},
183       'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
184       TWO_DASHES },
185   { {"soname", required_argument, NULL, OPTION_SONAME},
186       'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
187   { {"library", required_argument, NULL, 'l'},
188       'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
189   { {"library-path", required_argument, NULL, 'L'},
190       'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES },
191   { {NULL, required_argument, NULL, '\0'},
192       'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
193   { {"print-map", no_argument, NULL, 'M'},
194       'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
195   { {"nmagic", no_argument, NULL, 'n'},
196       'n', NULL, N_("Do not page align data"), TWO_DASHES },
197   { {"omagic", no_argument, NULL, 'N'},
198       'N', NULL, N_("Do not page align data, do not make text readonly"),
199       TWO_DASHES },
200   { {"output", required_argument, NULL, 'o'},
201       'o', N_("FILE"), N_("Set output file name"), TWO_DASHES },
202   { {NULL, required_argument, NULL, '\0'},
203       'O', NULL, N_("Optimize output file"), ONE_DASH },
204   { {"Qy", no_argument, NULL, OPTION_IGNORE},
205       '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
206   { {"relocateable", no_argument, NULL, 'r'},
207       'r', NULL, N_("Generate relocateable output"), TWO_DASHES },
208   { {NULL, no_argument, NULL, '\0'},
209       'i', NULL, NULL, ONE_DASH },
210   { {"just-symbols", required_argument, NULL, 'R'},
211       'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
212       TWO_DASHES },
213   { {"strip-all", no_argument, NULL, 's'},
214       's', NULL, N_("Strip all symbols"), TWO_DASHES },
215   { {"strip-debug", no_argument, NULL, 'S'},
216       'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
217   { {"trace", no_argument, NULL, 't'},
218       't', NULL, N_("Trace file opens"), TWO_DASHES },
219   { {"script", required_argument, NULL, 'T'},
220       'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
221   { {"undefined", required_argument, NULL, 'u'},
222       'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
223   { {"Ur", no_argument, NULL, OPTION_UR},
224       '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
225   { {"version", no_argument, NULL, OPTION_VERSION},
226       'v', NULL, N_("Print version information"), TWO_DASHES },
227   { {NULL, no_argument, NULL, '\0'},
228       'V', NULL, N_("Print version and emulation information"), ONE_DASH },
229   { {"discard-all", no_argument, NULL, 'x'},
230       'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
231   { {"discard-locals", no_argument, NULL, 'X'},
232       'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES },
233   { {"trace-symbol", required_argument, NULL, 'y'},
234       'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
235   { {NULL, required_argument, NULL, '\0'},
236       'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
237   { {NULL, required_argument, NULL, '\0'},
238       'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH },
239   { {"start-group", no_argument, NULL, '('},
240       '(', NULL, N_("Start a group"), TWO_DASHES },
241   { {"end-group", no_argument, NULL, ')'},
242       ')', NULL, N_("End a group"), TWO_DASHES },
243   { {"assert", required_argument, NULL, OPTION_ASSERT},
244       '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
245   { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
246       '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
247   { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
248       '\0', NULL, NULL, ONE_DASH },
249   { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
250       '\0', NULL, NULL, ONE_DASH },
251   { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
252       '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
253   { {"dn", no_argument, NULL, OPTION_NON_SHARED},
254       '\0', NULL, NULL, ONE_DASH },
255   { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
256       '\0', NULL, NULL, ONE_DASH },
257   { {"static", no_argument, NULL, OPTION_NON_SHARED},
258       '\0', NULL, NULL, ONE_DASH },
259   { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
260       '\0', NULL, N_("Bind global references locally"), ONE_DASH },
261   { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
262       '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES },
263   { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
264       '\0', NULL, N_("Do not check section addresses for overlaps"),
265       TWO_DASHES },
266   { {"cref", no_argument, NULL, OPTION_CREF},
267       '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
268   { {"defsym", required_argument, NULL, OPTION_DEFSYM},
269       '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
270   { {"demangle", no_argument, NULL, OPTION_DEMANGLE},
271       '\0', NULL, N_("Demangle symbol names"), TWO_DASHES },
272   { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
273       '\0', N_("PROGRAM"), N_("Set the dynamic linker to use"), TWO_DASHES },
274   { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
275       '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
276   { {"fini", required_argument, NULL, OPTION_FINI},
277      '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
278   { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
279       '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
280   { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
281       '\0', NULL, N_("Remove unused sections (on some targets)"),
282       TWO_DASHES },
283   { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
284       '\0', NULL, N_("Don't remove unused sections (default)"),
285       TWO_DASHES },
286   { {"help", no_argument, NULL, OPTION_HELP},
287       '\0', NULL, N_("Print option help"), TWO_DASHES },
288   { {"init", required_argument, NULL, OPTION_INIT},
289      '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
290   { {"Map", required_argument, NULL, OPTION_MAP},
291       '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
292   { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
293       '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
294   { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
295       '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
296   { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
297      '\0', NULL, N_("Allow no undefined symbols"), TWO_DASHES },
298   { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
299       '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
300   { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
301       '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
302   { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
303       '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES },
304   { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
305       '\0', NULL, NULL, NO_HELP },
306   { {"oformat", required_argument, NULL, OPTION_OFORMAT},
307       '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES },
308   { {"qmagic", no_argument, NULL, OPTION_IGNORE},
309       '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
310   { {"relax", no_argument, NULL, OPTION_RELAX},
311       '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
312   { {"retain-symbols-file", required_argument, NULL,
313        OPTION_RETAIN_SYMBOLS_FILE},
314       '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
315   { {"rpath", required_argument, NULL, OPTION_RPATH},
316       '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
317   { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
318       '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH },
319   { {"shared", no_argument, NULL, OPTION_SHARED},
320       '\0', NULL, N_("Create a shared library"), ONE_DASH },
321   { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD.  */
322       '\0', NULL, NULL, ONE_DASH },
323   { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
324       '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
325   { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
326       '\0', NULL, NULL, NO_HELP },
327   { {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
328       '\0', NULL, N_("Split output sections for each file"), TWO_DASHES },
329   { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
330       '\0', N_("COUNT"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
331   { {"stats", no_argument, NULL, OPTION_STATS},
332       '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
333   { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
334       '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
335   { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
336       '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
337   { {"Tbss", required_argument, NULL, OPTION_TBSS},
338       '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
339   { {"Tdata", required_argument, NULL, OPTION_TDATA},
340       '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
341   { {"Ttext", required_argument, NULL, OPTION_TTEXT},
342       '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
343   { {"verbose", no_argument, NULL, OPTION_VERBOSE},
344       '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
345   { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux.  */
346       '\0', NULL, NULL, NO_HELP },
347   { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
348       '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
349   { {"version-exports-section", required_argument, NULL,
350      OPTION_VERSION_EXPORTS_SECTION },
351     '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."),
352     TWO_DASHES },
353   { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
354       '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
355   { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
356       '\0', NULL, N_("Warn if global constructors/destructors are seen"),
357       TWO_DASHES },
358   { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
359       '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
360   { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
361       '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
362   { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
363       '\0', NULL, N_("Warn if start of section changes due to alignment"),
364       TWO_DASHES },
365   { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
366       '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
367   { {"wrap", required_argument, NULL, OPTION_WRAP},
368       '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
369   { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0},
370       '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES }
371 };
372 
373 #define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0]))
374 
375 /* Test STRING for containing a string of digits that form a number
376    between MIN and MAX.  The return value is the number or ERR.  */
377 
378 static int
379 is_num (string, min, max, err)
380      const char *string;
381      int min;
382      int max;
383      int err;
384 {
385   int result = 0;
386 
387   for (; *string; ++string)
388     {
389       if (! isdigit (*string))
390 	{
391 	  result = err;
392 	  break;
393 	}
394       result = result * 10 + (*string - '0');
395     }
396   if (result < min || result > max)
397     result = err;
398 
399   return result;
400 }
401 
402 void
403 parse_args (argc, argv)
404      int argc;
405      char **argv;
406 {
407   int i, is, il;
408   int ingroup = 0;
409   char *default_dirlist = NULL;
410   char shortopts[OPTION_COUNT * 3 + 2];
411   struct option longopts[OPTION_COUNT + 1];
412   int last_optind;
413 
414   /* Starting the short option string with '-' is for programs that
415      expect options and other ARGV-elements in any order and that care about
416      the ordering of the two.  We describe each non-option ARGV-element
417      as if it were the argument of an option with character code 1.  */
418   shortopts[0] = '-';
419   is = 1;
420   il = 0;
421   for (i = 0; i < OPTION_COUNT; i++)
422     {
423       if (ld_options[i].shortopt != '\0')
424 	{
425 	  shortopts[is] = ld_options[i].shortopt;
426 	  ++is;
427 	  if (ld_options[i].opt.has_arg == required_argument
428 	      || ld_options[i].opt.has_arg == optional_argument)
429 	    {
430 	      shortopts[is] = ':';
431 	      ++is;
432 	      if (ld_options[i].opt.has_arg == optional_argument)
433 		{
434 		  shortopts[is] = ':';
435 		  ++is;
436 		}
437 	    }
438 	}
439       if (ld_options[i].opt.name != NULL)
440 	{
441 	  longopts[il] = ld_options[i].opt;
442 	  ++il;
443 	}
444     }
445   shortopts[is] = '\0';
446   longopts[il].name = NULL;
447 
448   /* The -G option is ambiguous on different platforms.  Sometimes it
449      specifies the largest data size to put into the small data
450      section.  Sometimes it is equivalent to --shared.  Unfortunately,
451      the first form takes an argument, while the second does not.
452 
453      We need to permit the --shared form because on some platforms,
454      such as Solaris, gcc -shared will pass -G to the linker.
455 
456      To permit either usage, we look through the argument list.  If we
457      find -G not followed by a number, we change it into --shared.
458      This will work for most normal cases.  */
459   for (i = 1; i < argc; i++)
460     if (strcmp (argv[i], "-G") == 0
461 	&& (i + 1 >= argc
462 	    || ! isdigit ((unsigned char) argv[i + 1][0])))
463       argv[i] = (char *) "--shared";
464 
465   /* Because we permit long options to start with a single dash, and
466      we have a --library option, and the -l option is conventionally
467      used with an immediately following argument, we can have bad
468      results if somebody tries to use -l with a library whose name
469      happens to start with "ibrary", as in -li.  We avoid problems by
470      simply turning -l into --library.  This means that users will
471      have to use two dashes in order to use --library, which is OK
472      since that's how it is documented.
473 
474      FIXME: It's possible that this problem can arise for other short
475      options as well, although the user does always have the recourse
476      of adding a space between the option and the argument.  */
477   for (i = 1; i < argc; i++)
478     {
479       if (argv[i][0] == '-'
480 	  && argv[i][1] == 'l'
481 	  && argv[i][2] != '\0')
482 	{
483 	  char *n;
484 
485 	  n = (char *) xmalloc (strlen (argv[i]) + 20);
486 	  sprintf (n, "--library=%s", argv[i] + 2);
487 	  argv[i] = n;
488 	}
489     }
490 
491   last_optind = -1;
492   while (1)
493     {
494       int longind;
495       int optc;
496 
497       /* Using last_optind lets us avoid calling ldemul_parse_args
498 	 multiple times on a single option, which would lead to
499 	 confusion in the internal static variables maintained by
500 	 getopt.  This could otherwise happen for an argument like
501 	 -nx, in which the -n is parsed as a single option, and we
502 	 loop around to pick up the -x.  */
503       if (optind != last_optind)
504 	{
505 	  if (ldemul_parse_args (argc, argv))
506 	    continue;
507 	  last_optind = optind;
508 	}
509 
510       /* getopt_long_only is like getopt_long, but '-' as well as '--'
511 	 can indicate a long option.  */
512       optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
513 
514       if (optc == -1)
515 	break;
516       switch (optc)
517 	{
518 	default:
519 	  fprintf (stderr,
520 		   _("%s: use the --help option for usage information\n"),
521 		   program_name);
522 	  xexit (1);
523 	case 1:			/* File name.  */
524 	  lang_add_input_file (optarg, lang_input_file_is_file_enum,
525 			       (char *) NULL);
526 	  break;
527 
528 	case OPTION_IGNORE:
529 	  break;
530 	case 'a':
531 	  /* For HP/UX compatibility.  Actually -a shared should mean
532              ``use only shared libraries'' but, then, we don't
533              currently support shared libraries on HP/UX anyhow.  */
534 	  if (strcmp (optarg, "archive") == 0)
535 	    config.dynamic_link = false;
536 	  else if (strcmp (optarg, "shared") == 0
537 		   || strcmp (optarg, "default") == 0)
538 	    config.dynamic_link = true;
539 	  else
540 	    einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
541 	  break;
542 	case OPTION_ASSERT:
543 	  /* FIXME: We just ignore these, but we should handle them.  */
544 	  if (strcmp (optarg, "definitions") == 0)
545 	    ;
546 	  else if (strcmp (optarg, "nodefinitions") == 0)
547 	    ;
548 	  else if (strcmp (optarg, "nosymbolic") == 0)
549 	    ;
550 	  else if (strcmp (optarg, "pure-text") == 0)
551 	    ;
552 	  else
553 	    einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
554 	  break;
555 	case 'A':
556 	  ldfile_add_arch (optarg);
557 	  break;
558 	case 'b':
559 	  lang_add_target (optarg);
560 	  break;
561 	case 'c':
562 	  ldfile_open_command_file (optarg);
563 	  parser_input = input_mri_script;
564 	  yyparse ();
565 	  break;
566 	case OPTION_CALL_SHARED:
567 	  config.dynamic_link = true;
568 	  break;
569 	case OPTION_NON_SHARED:
570 	  config.dynamic_link = false;
571 	  break;
572 	case OPTION_CREF:
573 	  command_line.cref = true;
574 	  link_info.notice_all = true;
575 	  break;
576 	case 'd':
577 	  command_line.force_common_definition = true;
578 	  break;
579 	case OPTION_DEFSYM:
580 	  lex_string = optarg;
581 	  lex_redirect (optarg);
582 	  parser_input = input_defsym;
583 	  parsing_defsym = 1;
584 	  yyparse ();
585 	  parsing_defsym = 0;
586 	  lex_string = NULL;
587 	  break;
588 	case OPTION_DEMANGLE:
589 	  demangling = true;
590 	  break;
591 	case OPTION_DYNAMIC_LINKER:
592 	  command_line.interpreter = optarg;
593 	  break;
594 	case OPTION_EB:
595 	  command_line.endian = ENDIAN_BIG;
596 	  break;
597 	case OPTION_EL:
598 	  command_line.endian = ENDIAN_LITTLE;
599 	  break;
600 	case OPTION_EMBEDDED_RELOCS:
601 	  command_line.embedded_relocs = true;
602 	  break;
603 	case OPTION_EXPORT_DYNAMIC:
604 	case 'E': /* HP/UX compatibility.  */
605 	  command_line.export_dynamic = true;
606 	  break;
607 	case 'e':
608 	  lang_add_entry (optarg, true);
609 	  break;
610 	case 'f':
611 	  if (command_line.auxiliary_filters == NULL)
612 	    {
613 	      command_line.auxiliary_filters =
614 		(char **) xmalloc (2 * sizeof (char *));
615 	      command_line.auxiliary_filters[0] = optarg;
616 	      command_line.auxiliary_filters[1] = NULL;
617 	    }
618 	  else
619 	    {
620 	      int c;
621 	      char **p;
622 
623 	      c = 0;
624 	      for (p = command_line.auxiliary_filters; *p != NULL; p++)
625 		++c;
626 	      command_line.auxiliary_filters =
627 		(char **) xrealloc (command_line.auxiliary_filters,
628 				    (c + 2) * sizeof (char *));
629 	      command_line.auxiliary_filters[c] = optarg;
630 	      command_line.auxiliary_filters[c + 1] = NULL;
631 	    }
632 	  break;
633 	case 'F':
634 	  command_line.filter_shlib = optarg;
635 	  break;
636 	case OPTION_FORCE_EXE_SUFFIX:
637 	  command_line.force_exe_suffix = true;
638 	  break;
639 	case 'G':
640 	  {
641 	    char *end;
642 	    g_switch_value = strtoul (optarg, &end, 0);
643 	    if (*end)
644 	      einfo (_("%P%F: invalid number `%s'\n"), optarg);
645 	  }
646 	  break;
647 	case 'g':
648 	  /* Ignore.  */
649 	  break;
650 	case OPTION_GC_SECTIONS:
651 	  command_line.gc_sections = true;
652 	  break;
653 	case OPTION_HELP:
654 	  help ();
655 	  xexit (0);
656 	  break;
657 	case 'L':
658 	  ldfile_add_library_path (optarg, true);
659 	  break;
660 	case 'l':
661 	  lang_add_input_file (optarg, lang_input_file_is_l_enum,
662 			       (char *) NULL);
663 	  break;
664 	case 'M':
665 	  config.map_filename = "-";
666 	  break;
667 	case 'm':
668 	  /* Ignore.  Was handled in a pre-parse.   */
669 	  break;
670 	case OPTION_MAP:
671 	  config.map_filename = optarg;
672 	  break;
673 	case 'N':
674 	  config.text_read_only = false;
675 	  config.magic_demand_paged = false;
676 	  config.dynamic_link = false;
677 	  break;
678 	case 'n':
679 	  config.magic_demand_paged = false;
680 	  config.dynamic_link = false;
681 	  break;
682 	case OPTION_NO_DEMANGLE:
683 	  demangling = false;
684 	  break;
685 	case OPTION_NO_GC_SECTIONS:
686 	  command_line.gc_sections = false;
687 	  break;
688 	case OPTION_NO_KEEP_MEMORY:
689 	  link_info.keep_memory = false;
690 	  break;
691 	case OPTION_NO_UNDEFINED:
692 	  link_info.no_undefined = true;
693 	  break;
694 	case OPTION_NO_WARN_MISMATCH:
695 	  command_line.warn_mismatch = false;
696 	  break;
697 	case OPTION_NOINHIBIT_EXEC:
698 	  force_make_executable = true;
699 	  break;
700 	case OPTION_NO_WHOLE_ARCHIVE:
701 	  whole_archive = false;
702 	  break;
703 	case 'O':
704 	  /* FIXME "-O<non-digits> <value>" used to set the address of
705 	     section <non-digits>.  Was this for compatibility with
706 	     something, or can we create a new option to do that
707 	     (with a syntax similar to -defsym)?
708 	     getopt can't handle two args to an option without kludges.  */
709 
710 	  /* Enable optimizations of output files.  */
711 	  link_info.optimize = strtoul (optarg, NULL, 0) ? true : false;
712 	  break;
713 	case 'o':
714 	  lang_add_output (optarg, 0);
715 	  break;
716 	case OPTION_OFORMAT:
717 	  lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0);
718 	  break;
719 	case 'i':
720 	case 'r':
721 	  link_info.relocateable = true;
722 	  config.build_constructors = false;
723 	  config.magic_demand_paged = false;
724 	  config.text_read_only = false;
725 	  config.dynamic_link = false;
726 	  break;
727 	case 'R':
728 	  /* The GNU linker traditionally uses -R to mean to include
729 	     only the symbols from a file.  The Solaris linker uses -R
730 	     to set the path used by the runtime linker to find
731 	     libraries.  This is the GNU linker -rpath argument.  We
732 	     try to support both simultaneously by checking the file
733 	     named.  If it is a directory, rather than a regular file,
734 	     we assume -rpath was meant.  */
735 	  {
736 	    struct stat s;
737 
738 	    if (stat (optarg, &s) >= 0
739 		&& ! S_ISDIR (s.st_mode))
740 	      {
741 		lang_add_input_file (optarg,
742 				     lang_input_file_is_symbols_only_enum,
743 				     (char *) NULL);
744 		break;
745 	      }
746 	  }
747 	  /* Fall through.  */
748 	case OPTION_RPATH:
749 	  if (command_line.rpath == NULL)
750 	    command_line.rpath = buystring (optarg);
751 	  else
752 	    {
753 	      size_t rpath_len = strlen (command_line.rpath);
754 	      size_t optarg_len = strlen (optarg);
755 	      char *buf;
756 	      char *cp = command_line.rpath;
757 
758 	      /* First see whether OPTARG is already in the path.  */
759 	      do
760 		{
761 		  size_t idx = 0;
762 		  while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
763 		    ++idx;
764 		  if (optarg[idx] == '\0'
765 		      && (cp[idx] == '\0' || cp[idx] == ':'))
766 		    /* We found it.  */
767 		    break;
768 
769 		  /* Not yet found.  */
770 		  cp = strchr (cp, ':');
771 		  if (cp != NULL)
772 		    ++cp;
773 		}
774 	      while (cp != NULL);
775 
776 	      if (cp == NULL)
777 		{
778 		  buf = xmalloc (rpath_len + optarg_len + 2);
779 		  sprintf (buf, "%s:%s", command_line.rpath, optarg);
780 		  free (command_line.rpath);
781 		  command_line.rpath = buf;
782 		}
783 	    }
784 	  break;
785 	case OPTION_RPATH_LINK:
786 	  if (command_line.rpath_link == NULL)
787 	    command_line.rpath_link = buystring (optarg);
788 	  else
789 	    {
790 	      char *buf;
791 
792 	      buf = xmalloc (strlen (command_line.rpath_link)
793 			     + strlen (optarg)
794 			     + 2);
795 	      sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
796 	      free (command_line.rpath_link);
797 	      command_line.rpath_link = buf;
798 	    }
799 	  break;
800 	case OPTION_RELAX:
801 	  command_line.relax = true;
802 	  break;
803 	case OPTION_RETAIN_SYMBOLS_FILE:
804 	  add_keepsyms_file (optarg);
805 	  break;
806 	case 'S':
807 	  link_info.strip = strip_debugger;
808 	  break;
809 	case 's':
810 	  link_info.strip = strip_all;
811 	  break;
812 	case OPTION_SHARED:
813 	  if (config.has_shared)
814 	    link_info.shared = true;
815 	  else
816 	    einfo (_("%P%F: -shared not supported\n"));
817 	  break;
818 	case 'h':		/* Used on Solaris.  */
819 	case OPTION_SONAME:
820 	  command_line.soname = optarg;
821 	  break;
822 	case OPTION_SORT_COMMON:
823 	  config.sort_common = true;
824 	  break;
825 	case OPTION_STATS:
826 	  config.stats = true;
827 	  break;
828 	case OPTION_SYMBOLIC:
829 	  link_info.symbolic = true;
830 	  break;
831 	case 't':
832 	  trace_files = true;
833 	  break;
834 	case 'T':
835 	  ldfile_open_command_file (optarg);
836 	  parser_input = input_script;
837 	  yyparse ();
838 	  break;
839 	case OPTION_TBSS:
840 	  set_section_start (".bss", optarg);
841 	  break;
842 	case OPTION_TDATA:
843 	  set_section_start (".data", optarg);
844 	  break;
845 	case OPTION_TTEXT:
846 	  set_section_start (".text", optarg);
847 	  break;
848 	case OPTION_TRADITIONAL_FORMAT:
849 	  link_info.traditional_format = true;
850 	  break;
851 	case OPTION_TASK_LINK:
852 	  link_info.task_link = true;
853 	  /* Fall through - do an implied -r option.  */
854 	case OPTION_UR:
855 	  link_info.relocateable = true;
856 	  config.build_constructors = true;
857 	  config.magic_demand_paged = false;
858 	  config.text_read_only = false;
859 	  config.dynamic_link = false;
860 	  break;
861 	case 'u':
862 	  ldlang_add_undef (optarg);
863 	  break;
864 	case OPTION_VERBOSE:
865 	  ldversion (1);
866 	  version_printed = true;
867 	  trace_file_tries = true;
868 	  break;
869 	case 'v':
870 	  ldversion (0);
871 	  version_printed = true;
872 	  break;
873 	case 'V':
874 	  ldversion (1);
875 	  version_printed = true;
876 	  break;
877 	case OPTION_VERSION:
878 	  /* This output is intended to follow the GNU standards document.  */
879 	  printf ("GNU ld %s\n", ld_program_version);
880 	  printf (_("Copyright 2000 Free Software Foundation, Inc.\n"));
881 	  printf (_("\
882 This program is free software; you may redistribute it under the terms of\n\
883 the GNU General Public License.  This program has absolutely no warranty.\n"));
884 	  {
885 	    ld_emulation_xfer_type **ptr = ld_emulations;
886 
887 	    printf (_("  Supported emulations:\n"));
888 	    while (*ptr)
889 	      {
890 		printf ("   %s\n", (*ptr)->emulation_name);
891 		ptr++;
892 	      }
893 	  }
894 	  xexit (0);
895 	  break;
896 	case OPTION_VERSION_SCRIPT:
897 	  /* This option indicates a small script that only specifies
898              version information.  Read it, but don't assume that
899              we've seen a linker script.  */
900 	  {
901 	    boolean hold_had_script;
902 
903 	    hold_had_script = had_script;
904 	    ldfile_open_command_file (optarg);
905 	    had_script = hold_had_script;
906 	    parser_input = input_version_script;
907 	    yyparse ();
908 	  }
909 	  break;
910 	case OPTION_VERSION_EXPORTS_SECTION:
911 	  /* This option records a version symbol to be applied to the
912 	     symbols listed for export to be found in the object files
913 	     .exports sections.  */
914 	  command_line.version_exports_section = optarg;
915 	  break;
916 	case OPTION_WARN_COMMON:
917 	  config.warn_common = true;
918 	  break;
919 	case OPTION_WARN_CONSTRUCTORS:
920 	  config.warn_constructors = true;
921 	  break;
922 	case OPTION_WARN_MULTIPLE_GP:
923 	  config.warn_multiple_gp = true;
924 	  break;
925 	case OPTION_WARN_ONCE:
926 	  config.warn_once = true;
927 	  break;
928 	case OPTION_WARN_SECTION_ALIGN:
929 	  config.warn_section_align = true;
930 	  break;
931 	case OPTION_WHOLE_ARCHIVE:
932 	  whole_archive = true;
933 	  break;
934 	case OPTION_WRAP:
935 	  add_wrap (optarg);
936 	  break;
937 	case 'X':
938 	  link_info.discard = discard_l;
939 	  break;
940 	case 'x':
941 	  link_info.discard = discard_all;
942 	  break;
943 	case 'Y':
944 	  if (strncmp (optarg, "P,", 2) == 0)
945 	    optarg += 2;
946 	  default_dirlist = xstrdup (optarg);
947 	  break;
948 	case 'y':
949 	  add_ysym (optarg);
950 	  break;
951 	case 'z':
952 	  /* We accept and ignore this option for Solaris
953              compatibility.  Actually, on Solaris, optarg is not
954              ignored.  Someday we should handle it correctly.  FIXME.  */
955 	  break;
956 	case OPTION_SPLIT_BY_RELOC:
957 	  config.split_by_reloc = strtoul (optarg, NULL, 0);
958 	  break;
959 	case OPTION_SPLIT_BY_FILE:
960 	  config.split_by_file = true;
961 	  break;
962 	case OPTION_CHECK_SECTIONS:
963 	  command_line.check_section_addresses = true;
964 	  break;
965 	case OPTION_NO_CHECK_SECTIONS:
966 	  command_line.check_section_addresses = false;
967 	  break;
968 	case '(':
969 	  if (ingroup)
970 	    {
971 	      fprintf (stderr,
972 		       _("%s: may not nest groups (--help for usage)\n"),
973 		       program_name);
974 	      xexit (1);
975 	    }
976 	  lang_enter_group ();
977 	  ingroup = 1;
978 	  break;
979 	case ')':
980 	  if (! ingroup)
981 	    {
982 	      fprintf (stderr,
983 		       _("%s: group ended before it began (--help for usage)\n"),
984 		       program_name);
985 	      xexit (1);
986 	    }
987 	  lang_leave_group ();
988 	  ingroup = 0;
989 	  break;
990       case OPTION_MPC860C0:
991           link_info.mpc860c0 = 20;      /* default value (in bytes) */
992           if (optarg)
993             {
994               unsigned words;
995 
996               words = is_num (optarg, 1, 10, 0);
997               if (words == 0)
998                 {
999                   fprintf (stderr,
1000 			   _("%s: Invalid argument to option \"mpc860c0\"\n"),
1001 			   program_name);
1002                   xexit (1);
1003                 }
1004               link_info.mpc860c0 = words * 4;   /* convert words to bytes */
1005             }
1006           command_line.relax = true;
1007           break;
1008 
1009 	case OPTION_INIT:
1010 	  link_info.init_function = optarg;
1011 	  break;
1012 
1013 	case OPTION_FINI:
1014 	  link_info.fini_function = optarg;
1015 	  break;
1016 	}
1017     }
1018 
1019   if (ingroup)
1020     lang_leave_group ();
1021 
1022   if (default_dirlist != NULL)
1023     set_default_dirlist (default_dirlist);
1024 
1025 }
1026 
1027 /* Add the (colon-separated) elements of DIRLIST_PTR to the
1028    library search path.  */
1029 
1030 static void
1031 set_default_dirlist (dirlist_ptr)
1032      char *dirlist_ptr;
1033 {
1034   char *p;
1035 
1036   while (1)
1037     {
1038       p = strchr (dirlist_ptr, PATH_SEPARATOR);
1039       if (p != NULL)
1040 	*p = '\0';
1041       if (*dirlist_ptr != '\0')
1042 	ldfile_add_library_path (dirlist_ptr, true);
1043       if (p == NULL)
1044 	break;
1045       dirlist_ptr = p + 1;
1046     }
1047 }
1048 
1049 static void
1050 set_section_start (sect, valstr)
1051      char *sect, *valstr;
1052 {
1053   const char *end;
1054   bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1055   if (*end)
1056     einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1057   lang_section_start (sect, exp_intop (val));
1058 }
1059 
1060 /* Print help messages for the options.  */
1061 
1062 static void
1063 help ()
1064 {
1065   int i;
1066   const char **targets, **pp;
1067 
1068   printf (_("Usage: %s [options] file...\n"), program_name);
1069 
1070   printf (_("Options:\n"));
1071   for (i = 0; i < OPTION_COUNT; i++)
1072     {
1073       if (ld_options[i].doc != NULL)
1074 	{
1075 	  boolean comma;
1076 	  int len;
1077 	  int j;
1078 
1079 	  printf ("  ");
1080 
1081 	  comma = false;
1082 	  len = 2;
1083 
1084 	  j = i;
1085 	  do
1086 	    {
1087 	      if (ld_options[j].shortopt != '\0'
1088 		  && ld_options[j].control != NO_HELP)
1089 		{
1090 		  printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1091 		  len += (comma ? 2 : 0) + 2;
1092 		  if (ld_options[j].arg != NULL)
1093 		    {
1094 		      if (ld_options[j].opt.has_arg != optional_argument)
1095 			{
1096 			  printf (" ");
1097 			  ++len;
1098 			}
1099 		      printf ("%s", _(ld_options[j].arg));
1100 		      len += strlen (_(ld_options[j].arg));
1101 		    }
1102 		  comma = true;
1103 		}
1104 	      ++j;
1105 	    }
1106 	  while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1107 
1108 	  j = i;
1109 	  do
1110 	    {
1111 	      if (ld_options[j].opt.name != NULL
1112 		  && ld_options[j].control != NO_HELP)
1113 		{
1114 		  printf ("%s-%s%s",
1115 			  comma ? ", " : "",
1116 			  ld_options[j].control == TWO_DASHES ? "-" : "",
1117 			  ld_options[j].opt.name);
1118 		  len += ((comma ? 2 : 0)
1119 			  + 1
1120 			  + (ld_options[j].control == TWO_DASHES ? 1 : 0)
1121 			  + strlen (ld_options[j].opt.name));
1122 		  if (ld_options[j].arg != NULL)
1123 		    {
1124 		      printf (" %s", _(ld_options[j].arg));
1125 		      len += 1 + strlen (_(ld_options[j].arg));
1126 		    }
1127 		  comma = true;
1128 		}
1129 	      ++j;
1130 	    }
1131 	  while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1132 
1133 	  if (len >= 30)
1134 	    {
1135 	      printf ("\n");
1136 	      len = 0;
1137 	    }
1138 
1139 	  for (; len < 30; len++)
1140 	    putchar (' ');
1141 
1142 	  printf ("%s\n", _(ld_options[i].doc));
1143 	}
1144     }
1145 
1146   /* Note: Various tools (such as libtool) depend upon the
1147      format of the listings below - do not change them.  */
1148   /* xgettext:c-format */
1149   printf (_("%s: supported targets:"), program_name);
1150   targets = bfd_target_list ();
1151   for (pp = targets; *pp != NULL; pp++)
1152     printf (" %s", *pp);
1153   free (targets);
1154   printf ("\n");
1155 
1156   /* xgettext:c-format */
1157   printf (_("%s: supported emulations: "), program_name);
1158   ldemul_list_emulations (stdout);
1159   printf ("\n");
1160 
1161   /* xgettext:c-format */
1162   printf (_("%s: emulation specific options:\n"), program_name);
1163   ldemul_list_emulation_options (stdout);
1164   printf ("\n");
1165 
1166   printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
1167 }
1168