1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
|
/* Parse options for the GNU linker.
Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GLD is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GLD is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GLD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "bfd.h"
#include "sysdep.h"
#include <stdio.h>
#include <string.h>
#include "getopt.h"
#include "bfdlink.h"
#include "config.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldgram.h"
#include "ldlex.h"
#include "ldfile.h"
#include "ldver.h"
/* Omit args to avoid the possibility of clashing with a system header
that might disagree about consts. */
unsigned long strtoul ();
static void set_default_dirlist PARAMS ((char *dirlist_ptr));
static void set_section_start PARAMS ((char *sect, char *valstr));
void
parse_args (argc, argv)
int argc;
char **argv;
{
/* Starting the short option string with '-' is for programs that
expect options and other ARGV-elements in any order and that care about
the ordering of the two. We describe each non-option ARGV-element
as if it were the argument of an option with character code 1. */
const char *shortopts = "-A:B::b:cde:F::G:giL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:";
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
#define OPTION_CALL_SHARED 150
#define OPTION_DEFSYM (OPTION_CALL_SHARED + 1)
#define OPTION_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
#define OPTION_EL (OPTION_EB + 1)
#define OPTION_HELP (OPTION_EL + 1)
#define OPTION_IGNORE (OPTION_HELP + 1)
#define OPTION_MAP (OPTION_IGNORE + 1)
#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
#define OPTION_OFORMAT (OPTION_NON_SHARED + 1)
#define OPTION_RELAX (OPTION_OFORMAT + 1)
#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
#define OPTION_SORT_COMMON (OPTION_RETAIN_SYMBOLS_FILE + 1)
#define OPTION_STATS (OPTION_SORT_COMMON + 1)
#define OPTION_TBSS (OPTION_STATS + 1)
#define OPTION_TDATA (OPTION_TBSS + 1)
#define OPTION_TTEXT (OPTION_TDATA + 1)
#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
#define OPTION_VERSION (OPTION_UR + 1)
#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
static struct option longopts[] = {
{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
{"dc", no_argument, NULL, 'd'},
{"defsym", required_argument, NULL, OPTION_DEFSYM},
{"dn", no_argument, NULL, OPTION_NON_SHARED},
{"dp", no_argument, NULL, 'd'},
{"dy", no_argument, NULL, OPTION_CALL_SHARED},
{"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
{"EB", no_argument, NULL, OPTION_EB},
{"EL", no_argument, NULL, OPTION_EL},
{"format", required_argument, NULL, 'b'},
{"help", no_argument, NULL, OPTION_HELP},
{"Map", required_argument, NULL, OPTION_MAP},
{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
{"oformat", required_argument, NULL, OPTION_OFORMAT},
{"Qy", no_argument, NULL, OPTION_IGNORE},
{"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
{"relax", no_argument, NULL, OPTION_RELAX},
{"retain-symbols-file", no_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
{"stats", no_argument, NULL, OPTION_STATS},
{"Tbss", required_argument, NULL, OPTION_TBSS},
{"Tdata", required_argument, NULL, OPTION_TDATA},
{"Ttext", required_argument, NULL, OPTION_TTEXT},
{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
{"Ur", no_argument, NULL, OPTION_UR},
{"version", no_argument, NULL, OPTION_VERSION},
{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
{NULL, no_argument, NULL, 0}
};
while (1)
{
/* getopt_long_only is like getopt_long, but '-' as well as '--' can
indicate a long option. */
int longind;
int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
if (optc == -1)
break;
switch (optc)
{
default:
xexit (1);
case 1: /* File name. */
lang_add_input_file (optarg, lang_input_file_is_file_enum,
(char *) NULL);
break;
case OPTION_IGNORE:
break;
case 'A':
ldfile_add_arch (optarg);
break;
case 'B':
/* Ignore. */
break;
case 'b':
lang_add_target (optarg);
break;
case 'c':
ldfile_open_command_file (optarg);
parser_input = input_mri_script;
yyparse ();
break;
case OPTION_CALL_SHARED:
config.dynamic_link = true;
break;
case OPTION_NON_SHARED:
config.dynamic_link = false;
break;
case 'd':
command_line.force_common_definition = true;
break;
case OPTION_DEFSYM:
lex_redirect (optarg);
parser_input = input_defsym;
yyparse ();
break;
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
case OPTION_EB:
/* FIXME: This is currently ignored. It means
``produce a big-endian object file''. It could
be used to select an output format. */
break;
case OPTION_EL:
/* FIXME: This is currently ignored. It means
``produce a little-endian object file''. It could
be used to select an output format. */
break;
case 'e':
lang_add_entry (optarg, 1);
break;
case 'F':
/* Ignore. */
break;
case 'G':
{
char *end;
g_switch_value = strtoul (optarg, &end, 0);
if (*end)
einfo ("%P%F: invalid number `%s'\n", optarg);
}
break;
case 'g':
/* Ignore. */
break;
case OPTION_HELP:
help ();
xexit (0);
break;
case 'L':
ldfile_add_library_path (optarg, true);
break;
case 'l':
lang_add_input_file (optarg, lang_input_file_is_l_enum,
(char *) NULL);
break;
case 'M':
config.map_filename = "-";
break;
case 'm':
/* Ignore. Was handled in a pre-parse. */
break;
case OPTION_MAP:
config.map_filename = optarg;
break;
case 'N':
config.text_read_only = false;
config.magic_demand_paged = false;
break;
case 'n':
config.magic_demand_paged = false;
break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = false;
break;
case OPTION_NOINHIBIT_EXEC:
force_make_executable = true;
break;
case 'O':
/* FIXME "-O<non-digits> <value>" used to set the address of
section <non-digits>. Was this for compatibility with
something, or can we create a new option to do that
(with a syntax similar to -defsym)?
getopt can't handle two args to an option without kludges. */
set_default_dirlist (optarg);
break;
case 'o':
lang_add_output (optarg, 0);
break;
case OPTION_OFORMAT:
lang_add_output_format (optarg, 0);
break;
case 'i':
case 'r':
link_info.relocateable = true;
config.build_constructors = false;
config.magic_demand_paged = false;
config.text_read_only = false;
config.dynamic_link = false;
break;
case 'R':
lang_add_input_file (optarg,
lang_input_file_is_symbols_only_enum,
(char *) NULL);
break;
case OPTION_RELAX:
command_line.relax = true;
break;
case OPTION_RETAIN_SYMBOLS_FILE:
add_keepsyms_file (optarg);
break;
case 'S':
link_info.strip = strip_debugger;
break;
case 's':
link_info.strip = strip_all;
break;
case OPTION_SORT_COMMON:
config.sort_common = true;
break;
case OPTION_STATS:
config.stats = true;
break;
case 't':
trace_files = true;
break;
case 'T':
ldfile_open_command_file (optarg);
parser_input = input_script;
yyparse ();
break;
case OPTION_TBSS:
set_section_start (".bss", optarg);
break;
case OPTION_TDATA:
set_section_start (".data", optarg);
break;
case OPTION_TTEXT:
set_section_start (".text", optarg);
break;
case OPTION_TRADITIONAL_FORMAT:
config.traditional_format = true;
break;
case OPTION_UR:
link_info.relocateable = true;
config.build_constructors = true;
config.magic_demand_paged = false;
config.text_read_only = false;
config.dynamic_link = false;
break;
case 'u':
ldlang_add_undef (optarg);
break;
case 'V':
ldversion (1);
version_printed = true;
trace_file_tries = true;
break;
case 'v':
ldversion (0);
version_printed = true;
break;
case OPTION_VERSION:
ldversion (0);
version_printed = true;
break;
case OPTION_WARN_COMMON:
config.warn_common = true;
break;
case 'X':
link_info.discard = discard_l;
break;
case 'x':
link_info.discard = discard_all;
break;
case 'Y':
set_default_dirlist (optarg);
break;
case 'y':
add_ysym (optarg);
break;
}
}
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
library search path. */
static void
set_default_dirlist (dirlist_ptr)
char *dirlist_ptr;
{
char *p;
while (1)
{
p = strchr (dirlist_ptr, ':');
if (p != NULL)
*p = 0;
if (*dirlist_ptr)
ldfile_add_library_path (dirlist_ptr, true);
if (p == NULL)
break;
*p = ':';
dirlist_ptr = p + 1;
}
}
static void
set_section_start (sect, valstr)
char *sect, *valstr;
{
char *end;
unsigned long val = strtoul (valstr, &end, 16);
if (*end)
einfo ("%P%F: invalid hex number `%s'\n", valstr);
lang_section_start (sect, exp_intop (val));
}
|
