1 /* Parse options for the GNU linker.
2 Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
4 This file is part of GLD, the Gnu Linker.
6 GLD is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GLD is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GLD; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
37 /* Omit args to avoid the possibility of clashing with a system header
38 that might disagree about consts. */
39 unsigned long strtoul ();
41 static void set_default_dirlist
PARAMS ((char *dirlist_ptr
));
42 static void set_section_start
PARAMS ((char *sect
, char *valstr
));
45 parse_args (argc
, argv
)
49 /* Starting the short option string with '-' is for programs that
50 expect options and other ARGV-elements in any order and that care about
51 the ordering of the two. We describe each non-option ARGV-element
52 as if it were the argument of an option with character code 1. */
54 const char *shortopts
= "-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:";
56 /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
58 static struct option longopts
[] = {
59 #define OPTION_CALL_SHARED 150
60 {"call_shared", no_argument
, NULL
, OPTION_CALL_SHARED
},
61 {"dc", no_argument
, NULL
, 'd'},
62 #define OPTION_DEFSYM 151
63 {"defsym", required_argument
, NULL
, OPTION_DEFSYM
},
64 {"dn", no_argument
, NULL
, OPTION_CALL_SHARED
},
65 {"dp", no_argument
, NULL
, 'd'},
67 {"EB", no_argument
, NULL
, OPTION_EB
},
69 {"EL", no_argument
, NULL
, OPTION_EL
},
70 {"format", required_argument
, NULL
, 'b'},
71 #define OPTION_HELP 154
72 {"help", no_argument
, NULL
, OPTION_HELP
},
73 #define OPTION_MAP 155
74 {"Map", required_argument
, NULL
, OPTION_MAP
},
75 #define OPTION_NO_KEEP_MEMORY 156
76 {"no-keep-memory", no_argument
, NULL
, OPTION_NO_KEEP_MEMORY
},
77 #define OPTION_NOINHIBIT_EXEC 157
78 {"noinhibit-exec", no_argument
, NULL
, OPTION_NOINHIBIT_EXEC
},
79 {"noinhibit_exec", no_argument
, NULL
, OPTION_NOINHIBIT_EXEC
},
80 {"non_shared", no_argument
, NULL
, OPTION_CALL_SHARED
},
81 #define OPTION_OFORMAT 158
82 {"oformat", required_argument
, NULL
, OPTION_OFORMAT
},
83 {"Qy", no_argument
, NULL
, OPTION_CALL_SHARED
},
84 #define OPTION_RELAX 159
85 {"relax", no_argument
, NULL
, OPTION_RELAX
},
86 #define OPTION_RETAIN_SYMBOLS_FILE 160
87 {"retain-symbols-file", no_argument
, NULL
, OPTION_RETAIN_SYMBOLS_FILE
},
88 #define OPTION_SORT_COMMON 161
89 {"sort-common", no_argument
, NULL
, OPTION_SORT_COMMON
},
90 {"sort_common", no_argument
, NULL
, OPTION_SORT_COMMON
},
91 #define OPTION_STATS 162
92 {"stats", no_argument
, NULL
, OPTION_STATS
},
93 #define OPTION_TBSS 163
94 {"Tbss", required_argument
, NULL
, OPTION_TBSS
},
95 #define OPTION_TDATA 164
96 {"Tdata", required_argument
, NULL
, OPTION_TDATA
},
97 #define OPTION_TTEXT 165
98 {"Ttext", required_argument
, NULL
, OPTION_TTEXT
},
100 {"Ur", no_argument
, NULL
, OPTION_UR
},
101 #define OPTION_VERSION 167
102 {"version", no_argument
, NULL
, OPTION_VERSION
},
103 #define OPTION_WARN_COMMON 168
104 {"warn-common", no_argument
, NULL
, OPTION_WARN_COMMON
},
105 {NULL
, no_argument
, NULL
, 0}
110 /* getopt_long_only is like getopt_long, but '-' as well as '--' can
111 indicate a long option. */
113 int optc
= getopt_long_only (argc
, argv
, shortopts
, longopts
, &longind
);
122 case 1: /* File name. */
123 lang_add_input_file (optarg
, lang_input_file_is_file_enum
,
128 ldfile_add_arch (optarg
);
134 lang_add_target (optarg
);
137 ldfile_open_command_file (optarg
);
138 parser_input
= input_mri_script
;
141 case OPTION_CALL_SHARED
:
142 set_default_dirlist ((char *) longopts
[longind
].name
);
145 command_line
.force_common_definition
= true;
148 lex_redirect (optarg
);
149 parser_input
= input_defsym
;
153 /* FIXME: This is currently ignored. It means
154 ``produce a big-endian object file''. It could
155 be used to select an output format. */
158 /* FIXME: This is currently ignored. It means
159 ``produce a little-endian object file''. It could
160 be used to select an output format. */
163 lang_add_entry (optarg
);
171 g_switch_value
= strtoul (optarg
, &end
, 0);
173 einfo ("%P%F: invalid number `%s'\n", optarg
);
184 ldfile_add_library_path (optarg
);
187 lang_add_input_file (optarg
, lang_input_file_is_l_enum
,
191 config
.map_filename
= "-";
194 /* Ignore. Was handled in a pre-parse. */
198 config
.map_filename
= optarg
;
201 config
.text_read_only
= false;
202 config
.magic_demand_paged
= false;
205 config
.magic_demand_paged
= false;
207 case OPTION_NO_KEEP_MEMORY
:
208 link_info
.keep_memory
= false;
210 case OPTION_NOINHIBIT_EXEC
:
211 force_make_executable
= true;
214 /* FIXME "-O<non-digits> <value>" used to set the address of
215 section <non-digits>. Was this for compatibility with
216 something, or can we create a new option to do that
217 (with a syntax similar to -defsym)?
218 getopt can't handle two args to an option without kludges. */
219 set_default_dirlist (optarg
);
222 lang_add_output (optarg
, 0);
225 lang_add_output_format (optarg
, 0);
228 link_info
.relocateable
= true;
229 config
.build_constructors
= false;
230 config
.magic_demand_paged
= false;
231 config
.text_read_only
= false;
234 lang_add_input_file (optarg
,
235 lang_input_file_is_symbols_only_enum
,
239 command_line
.relax
= true;
241 case OPTION_RETAIN_SYMBOLS_FILE
:
242 add_keepsyms_file (optarg
);
245 link_info
.strip
= strip_debugger
;
248 link_info
.strip
= strip_all
;
250 case OPTION_SORT_COMMON
:
251 config
.sort_common
= true;
260 ldfile_open_command_file (optarg
);
261 parser_input
= input_script
;
265 set_section_start (".bss", optarg
);
268 set_section_start (".data", optarg
);
271 set_section_start (".text", optarg
);
274 link_info
.relocateable
= true;
275 config
.build_constructors
= true;
276 config
.magic_demand_paged
= false;
277 config
.text_read_only
= false;
280 ldlang_add_undef (optarg
);
284 version_printed
= true;
285 trace_file_tries
= true;
289 version_printed
= true;
293 version_printed
= true;
295 case OPTION_WARN_COMMON
:
296 config
.warn_common
= true;
299 link_info
.discard
= discard_l
;
302 link_info
.discard
= discard_all
;
305 set_default_dirlist (optarg
);
314 /* Add the (colon-separated) elements of DIRLIST_PTR to the
315 library search path. */
318 set_default_dirlist (dirlist_ptr
)
325 p
= strchr (dirlist_ptr
, ':');
329 ldfile_add_library_path (dirlist_ptr
);
338 set_section_start (sect
, valstr
)
342 unsigned long val
= strtoul (valstr
, &end
, 16);
344 einfo ("%P%F: invalid hex number `%s'\n", valstr
);
345 lang_section_start (sect
, exp_intop (val
));