Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* as.c - GAS main program. |
f7e42eb4 | 2 | Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
2da5c037 | 3 | 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of GAS, the GNU Assembler. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 | 22 | |
76b0a8c0 | 23 | /* Main program for AS; a 32-bit assembler of GNU. |
33948635 NC |
24 | Understands command arguments. |
25 | Has a few routines that don't fit in other modules because they | |
26 | are shared. | |
27 | ||
28 | bugs | |
29 | ||
30 | : initialisers | |
31 | Since no-one else says they will support them in future: I | |
32 | don't support them now. */ | |
252b5132 RH |
33 | |
34 | #include "ansidecl.h" | |
35 | ||
36 | #define COMMON | |
37 | ||
38 | #include "as.h" | |
39 | #include "subsegs.h" | |
40 | #include "output-file.h" | |
41 | #include "sb.h" | |
42 | #include "macro.h" | |
bccba5f0 | 43 | #include "dwarf2dbg.h" |
54cfded0 | 44 | #include "dw2gencfi.h" |
4bdd3565 | 45 | #include "hash.h" |
252b5132 | 46 | |
b95d15c6 AM |
47 | #ifdef BFD_ASSEMBLER |
48 | #include "bfdver.h" | |
49 | #endif | |
50 | ||
84be4d71 ILT |
51 | #ifdef HAVE_ITBL_CPU |
52 | #include "itbl-ops.h" | |
53 | #else | |
252b5132 RH |
54 | #define itbl_parse(itbl_file) 1 |
55 | #define itbl_init() | |
56 | #endif | |
57 | ||
58 | #ifdef HAVE_SBRK | |
59 | #ifdef NEED_DECLARATION_SBRK | |
60 | extern PTR sbrk (); | |
61 | #endif | |
62 | #endif | |
63 | ||
9cc92a36 NC |
64 | #ifdef USING_CGEN |
65 | /* Perform any cgen specific initialisation for gas. */ | |
33948635 | 66 | extern void gas_cgen_begin (void); |
9cc92a36 | 67 | #endif |
252b5132 | 68 | |
33948635 NC |
69 | /* Keep a record of the itbl files we read in. */ |
70 | struct itbl_file_list | |
71 | { | |
72 | struct itbl_file_list *next; | |
73 | char *name; | |
74 | }; | |
75 | ||
76 | /* We build a list of defsyms as we read the options, and then define | |
77 | them after we have initialized everything. */ | |
78 | struct defsym_list | |
79 | { | |
80 | struct defsym_list *next; | |
81 | char *name; | |
82 | valueT value; | |
83 | }; | |
84 | ||
85 | ||
76b0a8c0 KH |
86 | /* True if a listing is wanted. */ |
87 | int listing; | |
252b5132 | 88 | |
252b5132 | 89 | /* Type of debugging to generate. */ |
4dc7ead9 | 90 | enum debug_info_type debug_type = DEBUG_UNSPECIFIED; |
05da4302 | 91 | int use_gnu_debug_info_extensions = 0; |
252b5132 | 92 | |
329e276d NC |
93 | #ifndef MD_DEBUG_FORMAT_SELECTOR |
94 | #define MD_DEBUG_FORMAT_SELECTOR NULL | |
95 | #endif | |
96 | static enum debug_info_type (*md_debug_format_selector) (int *) = MD_DEBUG_FORMAT_SELECTOR; | |
97 | ||
252b5132 | 98 | /* Maximum level of macro nesting. */ |
252b5132 RH |
99 | int max_macro_nest = 100; |
100 | ||
76b0a8c0 | 101 | /* argv[0] */ |
87c245cc | 102 | static char * myname; |
252b5132 RH |
103 | |
104 | /* The default obstack chunk size. If we set this to zero, the | |
105 | obstack code will use whatever will fit in a 4096 byte block. */ | |
106 | int chunksize = 0; | |
107 | ||
108 | /* To monitor memory allocation more effectively, make this non-zero. | |
109 | Then the chunk sizes for gas and bfd will be reduced. */ | |
110 | int debug_memory = 0; | |
111 | ||
54cfded0 AM |
112 | /* Enable verbose mode. */ |
113 | int verbose = 0; | |
114 | ||
33948635 NC |
115 | #ifdef BFD_ASSEMBLER |
116 | segT reg_section; | |
117 | segT expr_section; | |
118 | segT text_section; | |
119 | segT data_section; | |
120 | segT bss_section; | |
121 | #endif | |
252b5132 | 122 | |
33948635 NC |
123 | /* Name of listing file. */ |
124 | static char *listing_filename = NULL; | |
252b5132 RH |
125 | |
126 | static struct defsym_list *defsyms; | |
127 | ||
33948635 | 128 | static struct itbl_file_list *itbl_files; |
252b5132 | 129 | |
33948635 | 130 | static long start_time; |
252b5132 | 131 | |
caa32fe5 NC |
132 | static int flag_macro_alternate; |
133 | ||
252b5132 | 134 | \f |
252b5132 RH |
135 | #ifdef USE_EMULATIONS |
136 | #define EMULATION_ENVIRON "AS_EMULATION" | |
137 | ||
138 | extern struct emulation mipsbelf, mipslelf, mipself; | |
139 | extern struct emulation mipsbecoff, mipslecoff, mipsecoff; | |
4c63da97 | 140 | extern struct emulation i386coff, i386elf, i386aout; |
3bcbcc3d | 141 | extern struct emulation crisaout, criself; |
252b5132 RH |
142 | |
143 | static struct emulation *const emulations[] = { EMULATIONS }; | |
144 | static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); | |
145 | ||
252b5132 | 146 | static void |
33948635 | 147 | select_emulation_mode (int argc, char **argv) |
252b5132 RH |
148 | { |
149 | int i; | |
150 | char *p, *em = 0; | |
151 | ||
152 | for (i = 1; i < argc; i++) | |
153 | if (!strncmp ("--em", argv[i], 4)) | |
154 | break; | |
155 | ||
156 | if (i == argc) | |
157 | goto do_default; | |
158 | ||
159 | p = strchr (argv[i], '='); | |
160 | if (p) | |
161 | p++; | |
162 | else | |
76b0a8c0 | 163 | p = argv[i + 1]; |
252b5132 RH |
164 | |
165 | if (!p || !*p) | |
166 | as_fatal (_("missing emulation mode name")); | |
167 | em = p; | |
168 | ||
169 | do_default: | |
170 | if (em == 0) | |
171 | em = getenv (EMULATION_ENVIRON); | |
172 | if (em == 0) | |
173 | em = DEFAULT_EMULATION; | |
174 | ||
175 | if (em) | |
176 | { | |
177 | for (i = 0; i < n_emulations; i++) | |
178 | if (!strcmp (emulations[i]->name, em)) | |
179 | break; | |
180 | if (i == n_emulations) | |
181 | as_fatal (_("unrecognized emulation name `%s'"), em); | |
182 | this_emulation = emulations[i]; | |
183 | } | |
184 | else | |
185 | this_emulation = emulations[0]; | |
186 | ||
187 | this_emulation->init (); | |
188 | } | |
189 | ||
190 | const char * | |
33948635 | 191 | default_emul_bfd_name (void) |
252b5132 RH |
192 | { |
193 | abort (); | |
194 | return NULL; | |
195 | } | |
196 | ||
197 | void | |
33948635 | 198 | common_emul_init (void) |
252b5132 RH |
199 | { |
200 | this_format = this_emulation->format; | |
201 | ||
202 | if (this_emulation->leading_underscore == 2) | |
203 | this_emulation->leading_underscore = this_format->dfl_leading_underscore; | |
204 | ||
205 | if (this_emulation->default_endian != 2) | |
206 | target_big_endian = this_emulation->default_endian; | |
207 | ||
208 | if (this_emulation->fake_label_name == 0) | |
209 | { | |
210 | if (this_emulation->leading_underscore) | |
211 | this_emulation->fake_label_name = "L0\001"; | |
212 | else | |
213 | /* What other parameters should we test? */ | |
214 | this_emulation->fake_label_name = ".L0\001"; | |
215 | } | |
216 | } | |
217 | #endif | |
218 | ||
4c63da97 | 219 | void |
33948635 | 220 | print_version_id (void) |
4c63da97 AM |
221 | { |
222 | static int printed; | |
33948635 | 223 | |
4c63da97 AM |
224 | if (printed) |
225 | return; | |
226 | printed = 1; | |
227 | ||
228 | #ifdef BFD_ASSEMBLER | |
229 | fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s"), | |
403487ec | 230 | VERSION, TARGET_ALIAS, BFD_VERSION_STRING); |
4c63da97 AM |
231 | #else |
232 | fprintf (stderr, _("GNU assembler version %s (%s)"), VERSION, TARGET_ALIAS); | |
233 | #endif | |
234 | fprintf (stderr, "\n"); | |
235 | } | |
236 | ||
237 | static void | |
33948635 | 238 | show_usage (FILE * stream) |
4c63da97 AM |
239 | { |
240 | fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname); | |
241 | ||
242 | fprintf (stream, _("\ | |
243 | Options:\n\ | |
244 | -a[sub-option...] turn on listings\n\ | |
245 | Sub-options [default hls]:\n\ | |
246 | c omit false conditionals\n\ | |
247 | d omit debugging directives\n\ | |
248 | h include high-level source\n\ | |
249 | l include assembly\n\ | |
250 | m include macro expansions\n\ | |
251 | n omit forms processing\n\ | |
252 | s include symbols\n\ | |
4c63da97 AM |
253 | =FILE list to FILE (must be last sub-option)\n")); |
254 | ||
caa32fe5 NC |
255 | fprintf (stream, _("\ |
256 | --alternate initially turn on alternate macro syntax\n")); | |
4c63da97 AM |
257 | fprintf (stream, _("\ |
258 | -D produce assembler debugging messages\n")); | |
259 | fprintf (stream, _("\ | |
260 | --defsym SYM=VAL define symbol SYM to given value\n")); | |
261 | #ifdef USE_EMULATIONS | |
262 | { | |
263 | int i; | |
264 | char *def_em; | |
265 | ||
266 | fprintf (stream, "\ | |
267 | --em=["); | |
76b0a8c0 | 268 | for (i = 0; i < n_emulations - 1; i++) |
4c63da97 AM |
269 | fprintf (stream, "%s | ", emulations[i]->name); |
270 | fprintf (stream, "%s]\n", emulations[i]->name); | |
271 | ||
272 | def_em = getenv (EMULATION_ENVIRON); | |
76b0a8c0 | 273 | if (!def_em) |
4c63da97 AM |
274 | def_em = DEFAULT_EMULATION; |
275 | fprintf (stream, _("\ | |
276 | emulate output (default %s)\n"), def_em); | |
277 | } | |
68d55fe3 JJ |
278 | #endif |
279 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) | |
280 | fprintf (stream, _("\ | |
281 | --execstack require executable stack for this object\n")); | |
282 | fprintf (stream, _("\ | |
283 | --noexecstack don't require executable stack for this object\n")); | |
4c63da97 AM |
284 | #endif |
285 | fprintf (stream, _("\ | |
286 | -f skip whitespace and comment preprocessing\n")); | |
287 | fprintf (stream, _("\ | |
329e276d NC |
288 | -g --gen-debug generate debugging information\n")); |
289 | fprintf (stream, _("\ | |
290 | --gstabs generate STABS debugging information\n")); | |
4c63da97 | 291 | fprintf (stream, _("\ |
329e276d | 292 | --gstabs+ generate STABS debug info with GNU extensions\n")); |
05da4302 | 293 | fprintf (stream, _("\ |
329e276d | 294 | --gdwarf-2 generate DWARF2 debugging information\n")); |
4c63da97 | 295 | fprintf (stream, _("\ |
4bdd3565 NC |
296 | --hash-size=<value> set the hash table size close to <value>\n")); |
297 | fprintf (stream, _("\ | |
4c63da97 AM |
298 | --help show this message and exit\n")); |
299 | fprintf (stream, _("\ | |
ea20a7da CC |
300 | --target-help show target specific options\n")); |
301 | fprintf (stream, _("\ | |
4c63da97 AM |
302 | -I DIR add DIR to search list for .include directives\n")); |
303 | fprintf (stream, _("\ | |
304 | -J don't warn about signed overflow\n")); | |
305 | fprintf (stream, _("\ | |
306 | -K warn when differences altered for long displacements\n")); | |
307 | fprintf (stream, _("\ | |
308 | -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); | |
309 | fprintf (stream, _("\ | |
310 | -M,--mri assemble in MRI compatibility mode\n")); | |
311 | fprintf (stream, _("\ | |
312 | --MD FILE write dependency information in FILE (default none)\n")); | |
313 | fprintf (stream, _("\ | |
314 | -nocpp ignored\n")); | |
315 | fprintf (stream, _("\ | |
316 | -o OBJFILE name the object-file output OBJFILE (default a.out)\n")); | |
317 | fprintf (stream, _("\ | |
318 | -R fold data section into text section\n")); | |
319 | fprintf (stream, _("\ | |
4bdd3565 NC |
320 | --reduce-memory-overheads \n\ |
321 | prefer smaller memory use at the cost of longer\n\ | |
322 | assembly times\n")); | |
323 | fprintf (stream, _("\ | |
4c63da97 AM |
324 | --statistics print various measured statistics from execution\n")); |
325 | fprintf (stream, _("\ | |
326 | --strip-local-absolute strip local absolute symbols\n")); | |
327 | fprintf (stream, _("\ | |
328 | --traditional-format Use same format as native assembler when possible\n")); | |
329 | fprintf (stream, _("\ | |
330 | --version print assembler version number and exit\n")); | |
331 | fprintf (stream, _("\ | |
332 | -W --no-warn suppress warnings\n")); | |
333 | fprintf (stream, _("\ | |
334 | --warn don't suppress warnings\n")); | |
335 | fprintf (stream, _("\ | |
336 | --fatal-warnings treat warnings as errors\n")); | |
337 | fprintf (stream, _("\ | |
338 | --itbl INSTTBL extend instruction set to include instructions\n\ | |
339 | matching the specifications defined in file INSTTBL\n")); | |
340 | fprintf (stream, _("\ | |
341 | -w ignored\n")); | |
342 | fprintf (stream, _("\ | |
343 | -X ignored\n")); | |
344 | fprintf (stream, _("\ | |
345 | -Z generate object file even after errors\n")); | |
346 | fprintf (stream, _("\ | |
347 | --listing-lhs-width set the width in words of the output data column of\n\ | |
348 | the listing\n")); | |
349 | fprintf (stream, _("\ | |
350 | --listing-lhs-width2 set the width in words of the continuation lines\n\ | |
351 | of the output data column; ignored if smaller than\n\ | |
352 | the width of the first line\n")); | |
353 | fprintf (stream, _("\ | |
354 | --listing-rhs-width set the max width in characters of the lines from\n\ | |
355 | the source file\n")); | |
356 | fprintf (stream, _("\ | |
357 | --listing-cont-lines set the maximum number of continuation lines used\n\ | |
358 | for the output data column of the listing\n")); | |
359 | ||
360 | md_show_usage (stream); | |
361 | ||
c20f4f8c | 362 | fputc ('\n', stream); |
8ad3436c | 363 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
4c63da97 AM |
364 | } |
365 | ||
76b0a8c0 KH |
366 | /* Since it is easy to do here we interpret the special arg "-" |
367 | to mean "use stdin" and we set that argv[] pointing to "". | |
368 | After we have munged argv[], the only things left are source file | |
369 | name(s) and ""(s) denoting stdin. These file names are used | |
370 | (perhaps more than once) later. | |
371 | ||
372 | check for new machine-dep cmdline options in | |
373 | md_parse_option definitions in config/tc-*.c. */ | |
252b5132 RH |
374 | |
375 | static void | |
33948635 | 376 | parse_args (int * pargc, char *** pargv) |
252b5132 | 377 | { |
33948635 NC |
378 | int old_argc; |
379 | int new_argc; | |
380 | char ** old_argv; | |
381 | char ** new_argv; | |
252b5132 RH |
382 | /* Starting the short option string with '-' is for programs that |
383 | expect options and other ARGV-elements in any order and that care about | |
384 | the ordering of the two. We describe each non-option ARGV-element | |
385 | as if it were the argument of an option with character code 1. */ | |
252b5132 | 386 | char *shortopts; |
5a38dc70 | 387 | extern const char *md_shortopts; |
33948635 NC |
388 | static const char std_shortopts[] = |
389 | { | |
30a2b4ef | 390 | '-', 'J', |
252b5132 | 391 | #ifndef WORKING_DOT_WORD |
30a2b4ef KH |
392 | /* -K is not meaningful if .word is not being hacked. */ |
393 | 'K', | |
252b5132 | 394 | #endif |
8f94ae4d | 395 | 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', 'o', ':', |
252b5132 | 396 | #ifndef VMS |
30a2b4ef KH |
397 | /* -v takes an argument on VMS, so we don't make it a generic |
398 | option. */ | |
399 | 'v', | |
252b5132 | 400 | #endif |
30a2b4ef | 401 | 'w', 'X', |
33948635 | 402 | /* New option for extending instruction set (see also --itbl below). */ |
30a2b4ef KH |
403 | 't', ':', |
404 | '\0' | |
405 | }; | |
252b5132 RH |
406 | struct option *longopts; |
407 | extern struct option md_longopts[]; | |
408 | extern size_t md_longopts_size; | |
33948635 NC |
409 | /* Codes used for the long options with no short synonyms. */ |
410 | enum option_values | |
411 | { | |
412 | OPTION_HELP = OPTION_STD_BASE, | |
413 | OPTION_NOCPP, | |
414 | OPTION_STATISTICS, | |
415 | OPTION_VERSION, | |
416 | OPTION_DUMPCONFIG, | |
417 | OPTION_VERBOSE, | |
418 | OPTION_EMULATION, | |
419 | OPTION_DEFSYM, | |
420 | OPTION_INSTTBL, | |
421 | OPTION_LISTING_LHS_WIDTH, | |
422 | OPTION_LISTING_LHS_WIDTH2, | |
423 | OPTION_LISTING_RHS_WIDTH, | |
424 | OPTION_LISTING_CONT_LINES, | |
425 | OPTION_DEPFILE, | |
426 | OPTION_GSTABS, | |
05da4302 | 427 | OPTION_GSTABS_PLUS, |
329e276d | 428 | OPTION_GDWARF2, |
33948635 NC |
429 | OPTION_STRIP_LOCAL_ABSOLUTE, |
430 | OPTION_TRADITIONAL_FORMAT, | |
33948635 NC |
431 | OPTION_WARN, |
432 | OPTION_TARGET_HELP, | |
433 | OPTION_EXECSTACK, | |
434 | OPTION_NOEXECSTACK, | |
caa32fe5 | 435 | OPTION_ALTERNATE, |
4bdd3565 NC |
436 | OPTION_HASH_TABLE_SIZE, |
437 | OPTION_REDUCE_MEMORY_OVERHEADS, | |
33948635 | 438 | OPTION_WARN_FATAL |
329e276d NC |
439 | /* When you add options here, check that they do |
440 | not collide with OPTION_MD_BASE. See as.h. */ | |
33948635 NC |
441 | }; |
442 | ||
443 | static const struct option std_longopts[] = | |
444 | { | |
329e276d NC |
445 | /* Note: commas are placed at the start of the line rather than |
446 | the end of the preceeding line so that it is simpler to | |
447 | selectively add and remove lines from this list. */ | |
448 | {"alternate", no_argument, NULL, OPTION_ALTERNATE} | |
fb767913 NC |
449 | /* The entry for "a" is here to prevent getopt_long_only() from |
450 | considering that -a is an abbreviation for --alternate. This is | |
451 | necessary because -a=<FILE> is a valid switch but getopt would | |
452 | normally reject it since --alternate does not take an argument. */ | |
453 | ,{"a", optional_argument, NULL, 'a'} | |
329e276d NC |
454 | ,{"defsym", required_argument, NULL, OPTION_DEFSYM} |
455 | ,{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG} | |
456 | ,{"emulation", required_argument, NULL, OPTION_EMULATION} | |
457 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) | |
458 | ,{"execstack", no_argument, NULL, OPTION_EXECSTACK} | |
459 | ,{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK} | |
460 | #endif | |
461 | ,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL} | |
462 | ,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF2} | |
463 | /* GCC uses --gdwarf-2 but GAS uses to use --gdwarf2, | |
464 | so we keep it here for backwards compatibility. */ | |
465 | ,{"gdwarf2", no_argument, NULL, OPTION_GDWARF2} | |
466 | ,{"gen-debug", no_argument, NULL, 'g'} | |
467 | ,{"gstabs", no_argument, NULL, OPTION_GSTABS} | |
468 | ,{"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS} | |
4bdd3565 | 469 | ,{"hash-size", required_argument, NULL, OPTION_HASH_TABLE_SIZE} |
329e276d | 470 | ,{"help", no_argument, NULL, OPTION_HELP} |
252b5132 RH |
471 | /* New option for extending instruction set (see also -t above). |
472 | The "-t file" or "--itbl file" option extends the basic set of | |
473 | valid instructions by reading "file", a text file containing a | |
474 | list of instruction formats. The additional opcodes and their | |
475 | formats are added to the built-in set of instructions, and | |
476 | mnemonics for new registers may also be defined. */ | |
329e276d NC |
477 | ,{"itbl", required_argument, NULL, OPTION_INSTTBL} |
478 | /* getopt allows abbreviations, so we do this to stop it from | |
479 | treating -k as an abbreviation for --keep-locals. Some | |
480 | ports use -k to enable PIC assembly. */ | |
481 | ,{"keep-locals", no_argument, NULL, 'L'} | |
482 | ,{"keep-locals", no_argument, NULL, 'L'} | |
483 | ,{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH} | |
484 | ,{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2} | |
485 | ,{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH} | |
486 | ,{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES} | |
487 | ,{"MD", required_argument, NULL, OPTION_DEPFILE} | |
488 | ,{"mri", no_argument, NULL, 'M'} | |
489 | ,{"nocpp", no_argument, NULL, OPTION_NOCPP} | |
490 | ,{"no-warn", no_argument, NULL, 'W'} | |
4bdd3565 | 491 | ,{"reduce-memory-overheads", no_argument, NULL, OPTION_REDUCE_MEMORY_OVERHEADS} |
329e276d NC |
492 | ,{"statistics", no_argument, NULL, OPTION_STATISTICS} |
493 | ,{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE} | |
494 | ,{"version", no_argument, NULL, OPTION_VERSION} | |
495 | ,{"verbose", no_argument, NULL, OPTION_VERBOSE} | |
496 | ,{"target-help", no_argument, NULL, OPTION_TARGET_HELP} | |
497 | ,{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT} | |
498 | ,{"warn", no_argument, NULL, OPTION_WARN} | |
252b5132 RH |
499 | }; |
500 | ||
beb2de9b AC |
501 | /* Construct the option lists from the standard list and the target |
502 | dependent list. Include space for an extra NULL option and | |
76b0a8c0 | 503 | always NULL terminate. */ |
252b5132 | 504 | shortopts = concat (std_shortopts, md_shortopts, (char *) NULL); |
33948635 | 505 | longopts = xmalloc (sizeof (std_longopts) + md_longopts_size + sizeof (struct option)); |
252b5132 | 506 | memcpy (longopts, std_longopts, sizeof (std_longopts)); |
33948635 NC |
507 | memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size); |
508 | memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size, | |
beb2de9b | 509 | 0, sizeof (struct option)); |
252b5132 RH |
510 | |
511 | /* Make a local copy of the old argv. */ | |
512 | old_argc = *pargc; | |
513 | old_argv = *pargv; | |
514 | ||
515 | /* Initialize a new argv that contains no options. */ | |
33948635 | 516 | new_argv = xmalloc (sizeof (char *) * (old_argc + 1)); |
252b5132 RH |
517 | new_argv[0] = old_argv[0]; |
518 | new_argc = 1; | |
519 | new_argv[new_argc] = NULL; | |
520 | ||
521 | while (1) | |
522 | { | |
523 | /* getopt_long_only is like getopt_long, but '-' as well as '--' can | |
524 | indicate a long option. */ | |
525 | int longind; | |
526 | int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts, | |
527 | &longind); | |
528 | ||
529 | if (optc == -1) | |
530 | break; | |
531 | ||
532 | switch (optc) | |
533 | { | |
534 | default: | |
535 | /* md_parse_option should return 1 if it recognizes optc, | |
536 | 0 if not. */ | |
537 | if (md_parse_option (optc, optarg) != 0) | |
538 | break; | |
539 | /* `-v' isn't included in the general short_opts list, so check for | |
47eebc20 | 540 | it explicitly here before deciding we've gotten a bad argument. */ |
252b5132 RH |
541 | if (optc == 'v') |
542 | { | |
543 | #ifdef VMS | |
544 | /* Telling getopt to treat -v's value as optional can result | |
545 | in it picking up a following filename argument here. The | |
546 | VMS code in md_parse_option can return 0 in that case, | |
547 | but it has no way of pushing the filename argument back. */ | |
548 | if (optarg && *optarg) | |
30a2b4ef | 549 | new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; |
252b5132 RH |
550 | else |
551 | #else | |
552 | case 'v': | |
553 | #endif | |
554 | case OPTION_VERBOSE: | |
555 | print_version_id (); | |
54cfded0 | 556 | verbose = 1; |
252b5132 RH |
557 | break; |
558 | } | |
329e276d NC |
559 | else |
560 | as_bad (_("unrecognized option -%c%s"), optc, optarg ? optarg : ""); | |
76b0a8c0 | 561 | /* Fall through. */ |
252b5132 RH |
562 | |
563 | case '?': | |
564 | exit (EXIT_FAILURE); | |
565 | ||
566 | case 1: /* File name. */ | |
567 | if (!strcmp (optarg, "-")) | |
568 | optarg = ""; | |
569 | new_argv[new_argc++] = optarg; | |
570 | new_argv[new_argc] = NULL; | |
571 | break; | |
ef99799a | 572 | |
ea20a7da | 573 | case OPTION_TARGET_HELP: |
411863a4 KH |
574 | md_show_usage (stdout); |
575 | exit (EXIT_SUCCESS); | |
252b5132 RH |
576 | |
577 | case OPTION_HELP: | |
578 | show_usage (stdout); | |
579 | exit (EXIT_SUCCESS); | |
580 | ||
581 | case OPTION_NOCPP: | |
582 | break; | |
583 | ||
584 | case OPTION_STATISTICS: | |
585 | flag_print_statistics = 1; | |
586 | break; | |
587 | ||
588 | case OPTION_STRIP_LOCAL_ABSOLUTE: | |
589 | flag_strip_local_absolute = 1; | |
590 | break; | |
591 | ||
592 | case OPTION_TRADITIONAL_FORMAT: | |
593 | flag_traditional_format = 1; | |
594 | break; | |
595 | ||
596 | case OPTION_VERSION: | |
597 | /* This output is intended to follow the GNU standards document. */ | |
edde18a5 | 598 | #ifdef BFD_ASSEMBLER |
6c19f338 | 599 | printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); |
edde18a5 AM |
600 | #else |
601 | printf (_("GNU assembler %s\n"), VERSION); | |
602 | #endif | |
d342277e | 603 | printf (_("Copyright 2005 Free Software Foundation, Inc.\n")); |
252b5132 RH |
604 | printf (_("\ |
605 | This program is free software; you may redistribute it under the terms of\n\ | |
606 | the GNU General Public License. This program has absolutely no warranty.\n")); | |
607 | printf (_("This assembler was configured for a target of `%s'.\n"), | |
608 | TARGET_ALIAS); | |
609 | exit (EXIT_SUCCESS); | |
610 | ||
611 | case OPTION_EMULATION: | |
612 | #ifdef USE_EMULATIONS | |
613 | if (strcmp (optarg, this_emulation->name)) | |
614 | as_fatal (_("multiple emulation names specified")); | |
615 | #else | |
616 | as_fatal (_("emulations not handled in this configuration")); | |
617 | #endif | |
618 | break; | |
619 | ||
620 | case OPTION_DUMPCONFIG: | |
621 | fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS); | |
622 | fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL); | |
623 | fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU); | |
624 | #ifdef TARGET_OBJ_FORMAT | |
625 | fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT); | |
626 | #endif | |
627 | #ifdef TARGET_FORMAT | |
628 | fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT); | |
629 | #endif | |
630 | exit (EXIT_SUCCESS); | |
631 | ||
632 | case OPTION_DEFSYM: | |
633 | { | |
634 | char *s; | |
a38cf1db | 635 | valueT i; |
252b5132 RH |
636 | struct defsym_list *n; |
637 | ||
638 | for (s = optarg; *s != '\0' && *s != '='; s++) | |
639 | ; | |
640 | if (*s == '\0') | |
641 | as_fatal (_("bad defsym; format is --defsym name=value")); | |
642 | *s++ = '\0'; | |
a38cf1db AM |
643 | #ifdef BFD_ASSEMBLER |
644 | i = bfd_scan_vma (s, (const char **) NULL, 0); | |
645 | #else | |
252b5132 | 646 | i = strtol (s, (char **) NULL, 0); |
a38cf1db | 647 | #endif |
33948635 | 648 | n = xmalloc (sizeof *n); |
252b5132 RH |
649 | n->next = defsyms; |
650 | n->name = optarg; | |
651 | n->value = i; | |
652 | defsyms = n; | |
653 | } | |
654 | break; | |
655 | ||
656 | case OPTION_INSTTBL: | |
657 | case 't': | |
658 | { | |
76b0a8c0 KH |
659 | /* optarg is the name of the file containing the instruction |
660 | formats, opcodes, register names, etc. */ | |
252b5132 RH |
661 | struct itbl_file_list *n; |
662 | ||
663 | if (optarg == NULL) | |
664 | { | |
0e389e77 | 665 | as_warn (_("no file name following -t option")); |
252b5132 RH |
666 | break; |
667 | } | |
76b0a8c0 | 668 | |
33948635 | 669 | n = xmalloc (sizeof * n); |
252b5132 RH |
670 | n->next = itbl_files; |
671 | n->name = optarg; | |
672 | itbl_files = n; | |
673 | ||
674 | /* Parse the file and add the new instructions to our internal | |
76b0a8c0 KH |
675 | table. If multiple instruction tables are specified, the |
676 | information from this table gets appended onto the existing | |
677 | internal table. */ | |
252b5132 RH |
678 | itbl_files->name = xstrdup (optarg); |
679 | if (itbl_parse (itbl_files->name) != 0) | |
0e389e77 AM |
680 | as_fatal (_("failed to read instruction table %s\n"), |
681 | itbl_files->name); | |
252b5132 RH |
682 | } |
683 | break; | |
684 | ||
685 | case OPTION_DEPFILE: | |
686 | start_dependencies (optarg); | |
687 | break; | |
688 | ||
329e276d | 689 | case 'g': |
8f94ae4d NC |
690 | /* Some backends, eg Alpha and Mips, use the -g switch for their |
691 | own purposes. So we check here for an explicit -g and allow | |
329e276d NC |
692 | the backend to decide if it wants to process it. */ |
693 | if ( old_argv[optind - 1][1] == 'g' | |
329e276d NC |
694 | && md_parse_option (optc, optarg)) |
695 | continue; | |
696 | ||
697 | if (md_debug_format_selector) | |
698 | debug_type = md_debug_format_selector (& use_gnu_debug_info_extensions); | |
699 | else if (IS_ELF) | |
700 | debug_type = DEBUG_DWARF2; | |
701 | else | |
702 | debug_type = DEBUG_STABS; | |
703 | break; | |
704 | ||
05da4302 NC |
705 | case OPTION_GSTABS_PLUS: |
706 | use_gnu_debug_info_extensions = 1; | |
707 | /* Fall through. */ | |
252b5132 RH |
708 | case OPTION_GSTABS: |
709 | debug_type = DEBUG_STABS; | |
710 | break; | |
76b0a8c0 | 711 | |
fac0d250 RH |
712 | case OPTION_GDWARF2: |
713 | debug_type = DEBUG_DWARF2; | |
714 | break; | |
715 | ||
252b5132 RH |
716 | case 'J': |
717 | flag_signed_overflow_ok = 1; | |
718 | break; | |
719 | ||
720 | #ifndef WORKING_DOT_WORD | |
721 | case 'K': | |
722 | flag_warn_displacement = 1; | |
723 | break; | |
724 | #endif | |
252b5132 RH |
725 | case 'L': |
726 | flag_keep_locals = 1; | |
727 | break; | |
728 | ||
729 | case OPTION_LISTING_LHS_WIDTH: | |
76b0a8c0 | 730 | listing_lhs_width = atoi (optarg); |
252b5132 RH |
731 | if (listing_lhs_width_second < listing_lhs_width) |
732 | listing_lhs_width_second = listing_lhs_width; | |
733 | break; | |
734 | case OPTION_LISTING_LHS_WIDTH2: | |
735 | { | |
76b0a8c0 | 736 | int tmp = atoi (optarg); |
329e276d | 737 | |
252b5132 RH |
738 | if (tmp > listing_lhs_width) |
739 | listing_lhs_width_second = tmp; | |
740 | } | |
741 | break; | |
742 | case OPTION_LISTING_RHS_WIDTH: | |
76b0a8c0 | 743 | listing_rhs_width = atoi (optarg); |
252b5132 RH |
744 | break; |
745 | case OPTION_LISTING_CONT_LINES: | |
76b0a8c0 | 746 | listing_lhs_cont_lines = atoi (optarg); |
252b5132 RH |
747 | break; |
748 | ||
749 | case 'M': | |
750 | flag_mri = 1; | |
751 | #ifdef TC_M68K | |
752 | flag_m68k_mri = 1; | |
753 | #endif | |
754 | break; | |
755 | ||
756 | case 'R': | |
757 | flag_readonly_data_in_text = 1; | |
758 | break; | |
759 | ||
760 | case 'W': | |
761 | flag_no_warnings = 1; | |
762 | break; | |
763 | ||
2bdd6cf5 GK |
764 | case OPTION_WARN: |
765 | flag_no_warnings = 0; | |
766 | flag_fatal_warnings = 0; | |
767 | break; | |
768 | ||
769 | case OPTION_WARN_FATAL: | |
770 | flag_no_warnings = 0; | |
771 | flag_fatal_warnings = 1; | |
772 | break; | |
773 | ||
68d55fe3 JJ |
774 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
775 | case OPTION_EXECSTACK: | |
776 | flag_execstack = 1; | |
777 | flag_noexecstack = 0; | |
778 | break; | |
779 | ||
780 | case OPTION_NOEXECSTACK: | |
781 | flag_noexecstack = 1; | |
782 | flag_execstack = 0; | |
783 | break; | |
784 | #endif | |
252b5132 RH |
785 | case 'Z': |
786 | flag_always_generate_output = 1; | |
787 | break; | |
788 | ||
caa32fe5 NC |
789 | case OPTION_ALTERNATE: |
790 | optarg = old_argv [optind - 1]; | |
791 | while (* optarg == '-') | |
792 | optarg ++; | |
793 | ||
794 | if (strcmp (optarg, "alternate") == 0) | |
795 | { | |
796 | flag_macro_alternate = 1; | |
797 | break; | |
798 | } | |
799 | optarg ++; | |
800 | /* Fall through. */ | |
801 | ||
252b5132 RH |
802 | case 'a': |
803 | if (optarg) | |
804 | { | |
fb767913 NC |
805 | if (optarg != old_argv[optind] && optarg[-1] == '=') |
806 | --optarg; | |
807 | ||
7f6d05e8 CP |
808 | if (md_parse_option (optc, optarg) != 0) |
809 | break; | |
810 | ||
252b5132 RH |
811 | while (*optarg) |
812 | { | |
813 | switch (*optarg) | |
814 | { | |
815 | case 'c': | |
816 | listing |= LISTING_NOCOND; | |
817 | break; | |
818 | case 'd': | |
819 | listing |= LISTING_NODEBUG; | |
820 | break; | |
821 | case 'h': | |
822 | listing |= LISTING_HLL; | |
823 | break; | |
824 | case 'l': | |
825 | listing |= LISTING_LISTING; | |
826 | break; | |
827 | case 'm': | |
828 | listing |= LISTING_MACEXP; | |
829 | break; | |
830 | case 'n': | |
831 | listing |= LISTING_NOFORM; | |
832 | break; | |
833 | case 's': | |
834 | listing |= LISTING_SYMBOLS; | |
835 | break; | |
836 | case '=': | |
837 | listing_filename = xstrdup (optarg + 1); | |
838 | optarg += strlen (listing_filename); | |
839 | break; | |
840 | default: | |
841 | as_fatal (_("invalid listing option `%c'"), *optarg); | |
842 | break; | |
843 | } | |
844 | optarg++; | |
845 | } | |
846 | } | |
847 | if (!listing) | |
848 | listing = LISTING_DEFAULT; | |
849 | break; | |
850 | ||
851 | case 'D': | |
76b0a8c0 KH |
852 | /* DEBUG is implemented: it debugs different |
853 | things from other people's assemblers. */ | |
252b5132 RH |
854 | flag_debug = 1; |
855 | break; | |
856 | ||
857 | case 'f': | |
858 | flag_no_comments = 1; | |
859 | break; | |
860 | ||
861 | case 'I': | |
76b0a8c0 | 862 | { /* Include file directory. */ |
252b5132 | 863 | char *temp = xstrdup (optarg); |
329e276d | 864 | |
252b5132 RH |
865 | add_include_dir (temp); |
866 | break; | |
867 | } | |
868 | ||
869 | case 'o': | |
870 | out_file_name = xstrdup (optarg); | |
871 | break; | |
872 | ||
873 | case 'w': | |
874 | break; | |
875 | ||
876 | case 'X': | |
76b0a8c0 | 877 | /* -X means treat warnings as errors. */ |
252b5132 | 878 | break; |
4bdd3565 NC |
879 | |
880 | case OPTION_REDUCE_MEMORY_OVERHEADS: | |
881 | /* The only change we make at the moment is to reduce | |
882 | the size of the hash tables that we use. */ | |
883 | set_gas_hash_table_size (4051); | |
884 | break; | |
885 | ||
886 | case OPTION_HASH_TABLE_SIZE: | |
887 | { | |
f7a568ea | 888 | unsigned long new_size; |
4bdd3565 NC |
889 | |
890 | new_size = strtoul (optarg, NULL, 0); | |
891 | if (new_size) | |
892 | set_gas_hash_table_size (new_size); | |
893 | else | |
894 | as_fatal (_("--hash-size needs a numeric argument")); | |
895 | break; | |
896 | } | |
252b5132 RH |
897 | } |
898 | } | |
899 | ||
900 | free (shortopts); | |
901 | free (longopts); | |
902 | ||
903 | *pargc = new_argc; | |
904 | *pargv = new_argv; | |
acebd4ce AS |
905 | |
906 | #ifdef md_after_parse_args | |
907 | md_after_parse_args (); | |
908 | #endif | |
252b5132 RH |
909 | } |
910 | ||
33948635 NC |
911 | static void |
912 | dump_statistics (void) | |
913 | { | |
914 | #ifdef HAVE_SBRK | |
915 | char *lim = (char *) sbrk (0); | |
916 | #endif | |
917 | long run_time = get_run_time () - start_time; | |
918 | ||
919 | fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"), | |
920 | myname, run_time / 1000000, run_time % 1000000); | |
921 | #ifdef HAVE_SBRK | |
922 | fprintf (stderr, _("%s: data size %ld\n"), | |
923 | myname, (long) (lim - (char *) &environ)); | |
924 | #endif | |
252b5132 | 925 | |
33948635 NC |
926 | subsegs_print_statistics (stderr); |
927 | write_print_statistics (stderr); | |
928 | symbol_print_statistics (stderr); | |
929 | read_print_statistics (stderr); | |
930 | ||
931 | #ifdef tc_print_statistics | |
932 | tc_print_statistics (stderr); | |
933 | #endif | |
934 | ||
935 | #ifdef obj_print_statistics | |
936 | obj_print_statistics (stderr); | |
937 | #endif | |
938 | } | |
939 | ||
940 | /* The interface between the macro code and gas expression handling. */ | |
941 | ||
942 | static int | |
943 | macro_expr (const char *emsg, int idx, sb *in, int *val) | |
944 | { | |
945 | char *hold; | |
946 | expressionS ex; | |
947 | ||
948 | sb_terminate (in); | |
949 | ||
950 | hold = input_line_pointer; | |
951 | input_line_pointer = in->ptr + idx; | |
952 | expression (&ex); | |
953 | idx = input_line_pointer - in->ptr; | |
954 | input_line_pointer = hold; | |
955 | ||
956 | if (ex.X_op != O_constant) | |
957 | as_bad ("%s", emsg); | |
958 | ||
959 | *val = (int) ex.X_add_number; | |
960 | ||
961 | return idx; | |
962 | } | |
963 | \f | |
964 | /* Here to attempt 1 pass over each input file. | |
965 | We scan argv[*] looking for filenames or exactly "" which is | |
966 | shorthand for stdin. Any argv that is NULL is not a file-name. | |
967 | We set need_pass_2 TRUE if, after this, we still have unresolved | |
968 | expressions of the form (unknown value)+-(unknown value). | |
969 | ||
970 | Note the un*x semantics: there is only 1 logical input file, but it | |
971 | may be a catenation of many 'physical' input files. */ | |
972 | ||
973 | static void | |
974 | perform_an_assembly_pass (int argc, char ** argv) | |
975 | { | |
976 | int saw_a_file = 0; | |
977 | #ifdef BFD_ASSEMBLER | |
978 | flagword applicable; | |
979 | #endif | |
980 | ||
981 | need_pass_2 = 0; | |
982 | ||
983 | #ifndef BFD_ASSEMBLER | |
984 | #ifdef MANY_SEGMENTS | |
985 | { | |
986 | unsigned int i; | |
987 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
988 | segment_info[i].fix_root = 0; | |
989 | } | |
990 | /* Create the three fixed ones. */ | |
991 | { | |
992 | segT seg; | |
993 | ||
994 | #ifdef TE_APOLLO | |
995 | seg = subseg_new (".wtext", 0); | |
996 | #else | |
997 | seg = subseg_new (".text", 0); | |
998 | #endif | |
999 | assert (seg == SEG_E0); | |
1000 | seg = subseg_new (".data", 0); | |
1001 | assert (seg == SEG_E1); | |
1002 | seg = subseg_new (".bss", 0); | |
1003 | assert (seg == SEG_E2); | |
1004 | #ifdef TE_APOLLO | |
1005 | create_target_segments (); | |
1006 | #endif | |
1007 | } | |
1008 | ||
1009 | #else /* not MANY_SEGMENTS. */ | |
1010 | text_fix_root = NULL; | |
1011 | data_fix_root = NULL; | |
1012 | bss_fix_root = NULL; | |
1013 | #endif /* not MANY_SEGMENTS. */ | |
1014 | #else /* BFD_ASSEMBLER. */ | |
1015 | /* Create the standard sections, and those the assembler uses | |
1016 | internally. */ | |
1017 | text_section = subseg_new (TEXT_SECTION_NAME, 0); | |
1018 | data_section = subseg_new (DATA_SECTION_NAME, 0); | |
1019 | bss_section = subseg_new (BSS_SECTION_NAME, 0); | |
1020 | /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed | |
1021 | to have relocs, otherwise we don't find out in time. */ | |
1022 | applicable = bfd_applicable_section_flags (stdoutput); | |
1023 | bfd_set_section_flags (stdoutput, text_section, | |
1024 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
1025 | | SEC_CODE | SEC_READONLY)); | |
1026 | bfd_set_section_flags (stdoutput, data_section, | |
1027 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
1028 | | SEC_DATA)); | |
1029 | bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC); | |
1030 | seg_info (bss_section)->bss = 1; | |
1031 | subseg_new (BFD_ABS_SECTION_NAME, 0); | |
1032 | subseg_new (BFD_UND_SECTION_NAME, 0); | |
1033 | reg_section = subseg_new ("*GAS `reg' section*", 0); | |
1034 | expr_section = subseg_new ("*GAS `expr' section*", 0); | |
1035 | ||
1036 | #endif /* BFD_ASSEMBLER. */ | |
1037 | ||
1038 | subseg_set (text_section, 0); | |
1039 | ||
1040 | /* This may add symbol table entries, which requires having an open BFD, | |
1041 | and sections already created, in BFD_ASSEMBLER mode. */ | |
1042 | md_begin (); | |
1043 | ||
1044 | #ifdef USING_CGEN | |
1045 | gas_cgen_begin (); | |
1046 | #endif | |
1047 | #ifdef obj_begin | |
1048 | obj_begin (); | |
1049 | #endif | |
1050 | ||
1051 | /* Skip argv[0]. */ | |
1052 | argv++; | |
1053 | argc--; | |
1054 | ||
1055 | while (argc--) | |
1056 | { | |
1057 | if (*argv) | |
1058 | { /* Is it a file-name argument? */ | |
1059 | PROGRESS (1); | |
1060 | saw_a_file++; | |
1061 | /* argv->"" if stdin desired, else->filename. */ | |
1062 | read_a_source_file (*argv); | |
1063 | } | |
1064 | argv++; /* Completed that argv. */ | |
1065 | } | |
1066 | if (!saw_a_file) | |
1067 | read_a_source_file (""); | |
1068 | } | |
1069 | \f | |
a80076a1 | 1070 | |
76b0a8c0 | 1071 | int |
33948635 | 1072 | main (int argc, char ** argv) |
252b5132 | 1073 | { |
252b5132 RH |
1074 | int macro_strip_at; |
1075 | int keep_it; | |
1076 | ||
1077 | start_time = get_run_time (); | |
1078 | ||
1079 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
1080 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
1081 | #endif |
1082 | #if defined (HAVE_SETLOCALE) | |
1083 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
1084 | #endif |
1085 | bindtextdomain (PACKAGE, LOCALEDIR); | |
1086 | textdomain (PACKAGE); | |
1087 | ||
1088 | if (debug_memory) | |
091e58c1 | 1089 | chunksize = 64; |
252b5132 RH |
1090 | |
1091 | #ifdef HOST_SPECIAL_INIT | |
1092 | HOST_SPECIAL_INIT (argc, argv); | |
1093 | #endif | |
1094 | ||
1095 | myname = argv[0]; | |
1096 | xmalloc_set_program_name (myname); | |
1097 | ||
1098 | START_PROGRESS (myname, 0); | |
1099 | ||
1100 | #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME | |
1101 | #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out" | |
1102 | #endif | |
1103 | ||
1104 | out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; | |
1105 | ||
1106 | hex_init (); | |
1107 | #ifdef BFD_ASSEMBLER | |
1108 | bfd_init (); | |
1109 | bfd_set_error_program_name (myname); | |
1110 | #endif | |
1111 | ||
1112 | #ifdef USE_EMULATIONS | |
1113 | select_emulation_mode (argc, argv); | |
1114 | #endif | |
1115 | ||
1116 | PROGRESS (1); | |
f7a568ea NC |
1117 | /* Call parse_args before any of the init/begin functions |
1118 | so that switches like --hash-size can be honored. */ | |
1119 | parse_args (&argc, &argv); | |
252b5132 RH |
1120 | symbol_begin (); |
1121 | frag_init (); | |
1122 | subsegs_begin (); | |
252b5132 RH |
1123 | read_begin (); |
1124 | input_scrub_begin (); | |
1125 | expr_begin (); | |
1126 | ||
1127 | if (flag_print_statistics) | |
1128 | xatexit (dump_statistics); | |
1129 | ||
252b5132 RH |
1130 | macro_strip_at = 0; |
1131 | #ifdef TC_I960 | |
1132 | macro_strip_at = flag_mri; | |
1133 | #endif | |
1134 | #ifdef TC_A29K | |
1135 | /* For compatibility with the AMD 29K family macro assembler | |
1136 | specification. */ | |
caa32fe5 | 1137 | flag_macro_alternate = 1; |
252b5132 RH |
1138 | macro_strip_at = 1; |
1139 | #endif | |
1140 | ||
caa32fe5 | 1141 | macro_init (flag_macro_alternate, flag_mri, macro_strip_at, macro_expr); |
252b5132 RH |
1142 | |
1143 | PROGRESS (1); | |
1144 | ||
1145 | #ifdef BFD_ASSEMBLER | |
1146 | output_file_create (out_file_name); | |
1147 | assert (stdoutput != 0); | |
1148 | #endif | |
1149 | ||
1150 | #ifdef tc_init_after_args | |
1151 | tc_init_after_args (); | |
1152 | #endif | |
1153 | ||
1154 | itbl_init (); | |
1155 | ||
1156 | /* Now that we have fully initialized, and have created the output | |
1157 | file, define any symbols requested by --defsym command line | |
1158 | arguments. */ | |
1159 | while (defsyms != NULL) | |
1160 | { | |
1161 | symbolS *sym; | |
1162 | struct defsym_list *next; | |
1163 | ||
1164 | sym = symbol_new (defsyms->name, absolute_section, defsyms->value, | |
1165 | &zero_address_frag); | |
1166 | symbol_table_insert (sym); | |
1167 | next = defsyms->next; | |
1168 | free (defsyms); | |
1169 | defsyms = next; | |
1170 | } | |
1171 | ||
1172 | PROGRESS (1); | |
1173 | ||
76b0a8c0 KH |
1174 | /* Assemble it. */ |
1175 | perform_an_assembly_pass (argc, argv); | |
252b5132 RH |
1176 | |
1177 | cond_finish_check (-1); | |
1178 | ||
1179 | #ifdef md_end | |
1180 | md_end (); | |
1181 | #endif | |
1182 | ||
68d55fe3 JJ |
1183 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
1184 | if ((flag_execstack || flag_noexecstack) | |
1185 | && OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
1186 | { | |
1187 | segT gnustack; | |
1188 | ||
1189 | gnustack = subseg_new (".note.GNU-stack", 0); | |
1190 | bfd_set_section_flags (stdoutput, gnustack, | |
1191 | SEC_READONLY | (flag_execstack ? SEC_CODE : 0)); | |
1192 | ||
1193 | } | |
1194 | #endif | |
1195 | ||
43ad3147 | 1196 | /* If we've been collecting dwarf2 .debug_line info, either for |
39bb5fe6 RH |
1197 | assembly debugging or on behalf of the compiler, emit it now. */ |
1198 | dwarf2_finish (); | |
1199 | ||
a4447b93 RH |
1200 | /* If we constructed dwarf2 .eh_frame info, either via .cfi |
1201 | directives from the user or by the backend, emit it now. */ | |
54cfded0 | 1202 | cfi_finish (); |
54cfded0 | 1203 | |
252b5132 RH |
1204 | if (seen_at_least_1_file () |
1205 | && (flag_always_generate_output || had_errors () == 0)) | |
1206 | keep_it = 1; | |
1207 | else | |
1208 | keep_it = 0; | |
1209 | ||
1210 | #if defined (BFD_ASSEMBLER) || !defined (BFD) | |
1211 | /* This used to be done at the start of write_object_file in | |
1212 | write.c, but that caused problems when doing listings when | |
1213 | keep_it was zero. This could probably be moved above md_end, but | |
1214 | I didn't want to risk the change. */ | |
1215 | subsegs_finish (); | |
1216 | #endif | |
1217 | ||
1218 | if (keep_it) | |
1219 | write_object_file (); | |
1220 | ||
1221 | #ifndef NO_LISTING | |
1222 | listing_print (listing_filename); | |
1223 | #endif | |
1224 | ||
33948635 | 1225 | #ifndef OBJ_VMS /* Does its own file handling. */ |
252b5132 RH |
1226 | #ifndef BFD_ASSEMBLER |
1227 | if (keep_it) | |
1228 | #endif | |
1229 | output_file_close (out_file_name); | |
1230 | #endif | |
1231 | ||
76b0a8c0 KH |
1232 | if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0) |
1233 | as_bad (_("%d warnings, treating warnings as errors"), had_warnings ()); | |
2bdd6cf5 | 1234 | |
252b5132 RH |
1235 | if (had_errors () > 0 && ! flag_always_generate_output) |
1236 | keep_it = 0; | |
1237 | ||
1238 | if (!keep_it) | |
bb14f524 | 1239 | unlink_if_ordinary (out_file_name); |
252b5132 RH |
1240 | |
1241 | input_scrub_end (); | |
1242 | ||
1243 | END_PROGRESS (myname); | |
1244 | ||
1245 | /* Use xexit instead of return, because under VMS environments they | |
1246 | may not place the same interpretation on the value given. */ | |
1247 | if (had_errors () > 0) | |
1248 | xexit (EXIT_FAILURE); | |
1249 | ||
1250 | /* Only generate dependency file if assembler was successful. */ | |
1251 | print_dependencies (); | |
1252 | ||
1253 | xexit (EXIT_SUCCESS); | |
1254 | } |