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" |
b95d15c6 | 46 | #include "bfdver.h" |
b95d15c6 | 47 | |
84be4d71 ILT |
48 | #ifdef HAVE_ITBL_CPU |
49 | #include "itbl-ops.h" | |
50 | #else | |
252b5132 RH |
51 | #define itbl_parse(itbl_file) 1 |
52 | #define itbl_init() | |
53 | #endif | |
54 | ||
55 | #ifdef HAVE_SBRK | |
56 | #ifdef NEED_DECLARATION_SBRK | |
57 | extern PTR sbrk (); | |
58 | #endif | |
59 | #endif | |
60 | ||
9cc92a36 NC |
61 | #ifdef USING_CGEN |
62 | /* Perform any cgen specific initialisation for gas. */ | |
33948635 | 63 | extern void gas_cgen_begin (void); |
9cc92a36 | 64 | #endif |
252b5132 | 65 | |
33948635 NC |
66 | /* Keep a record of the itbl files we read in. */ |
67 | struct itbl_file_list | |
68 | { | |
69 | struct itbl_file_list *next; | |
70 | char *name; | |
71 | }; | |
72 | ||
73 | /* We build a list of defsyms as we read the options, and then define | |
74 | them after we have initialized everything. */ | |
75 | struct defsym_list | |
76 | { | |
77 | struct defsym_list *next; | |
78 | char *name; | |
79 | valueT value; | |
80 | }; | |
81 | ||
82 | ||
76b0a8c0 KH |
83 | /* True if a listing is wanted. */ |
84 | int listing; | |
252b5132 | 85 | |
252b5132 | 86 | /* Type of debugging to generate. */ |
4dc7ead9 | 87 | enum debug_info_type debug_type = DEBUG_UNSPECIFIED; |
05da4302 | 88 | int use_gnu_debug_info_extensions = 0; |
252b5132 | 89 | |
329e276d NC |
90 | #ifndef MD_DEBUG_FORMAT_SELECTOR |
91 | #define MD_DEBUG_FORMAT_SELECTOR NULL | |
92 | #endif | |
93 | static enum debug_info_type (*md_debug_format_selector) (int *) = MD_DEBUG_FORMAT_SELECTOR; | |
94 | ||
252b5132 | 95 | /* Maximum level of macro nesting. */ |
252b5132 RH |
96 | int max_macro_nest = 100; |
97 | ||
76b0a8c0 | 98 | /* argv[0] */ |
87c245cc | 99 | static char * myname; |
252b5132 RH |
100 | |
101 | /* The default obstack chunk size. If we set this to zero, the | |
102 | obstack code will use whatever will fit in a 4096 byte block. */ | |
103 | int chunksize = 0; | |
104 | ||
105 | /* To monitor memory allocation more effectively, make this non-zero. | |
106 | Then the chunk sizes for gas and bfd will be reduced. */ | |
107 | int debug_memory = 0; | |
108 | ||
54cfded0 AM |
109 | /* Enable verbose mode. */ |
110 | int verbose = 0; | |
111 | ||
33948635 NC |
112 | segT reg_section; |
113 | segT expr_section; | |
114 | segT text_section; | |
115 | segT data_section; | |
116 | segT bss_section; | |
252b5132 | 117 | |
33948635 NC |
118 | /* Name of listing file. */ |
119 | static char *listing_filename = NULL; | |
252b5132 RH |
120 | |
121 | static struct defsym_list *defsyms; | |
122 | ||
33948635 | 123 | static struct itbl_file_list *itbl_files; |
252b5132 | 124 | |
33948635 | 125 | static long start_time; |
252b5132 | 126 | |
caa32fe5 NC |
127 | static int flag_macro_alternate; |
128 | ||
252b5132 | 129 | \f |
252b5132 RH |
130 | #ifdef USE_EMULATIONS |
131 | #define EMULATION_ENVIRON "AS_EMULATION" | |
132 | ||
133 | extern struct emulation mipsbelf, mipslelf, mipself; | |
134 | extern struct emulation mipsbecoff, mipslecoff, mipsecoff; | |
4c63da97 | 135 | extern struct emulation i386coff, i386elf, i386aout; |
3bcbcc3d | 136 | extern struct emulation crisaout, criself; |
252b5132 RH |
137 | |
138 | static struct emulation *const emulations[] = { EMULATIONS }; | |
139 | static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); | |
140 | ||
252b5132 | 141 | static void |
33948635 | 142 | select_emulation_mode (int argc, char **argv) |
252b5132 RH |
143 | { |
144 | int i; | |
145 | char *p, *em = 0; | |
146 | ||
147 | for (i = 1; i < argc; i++) | |
148 | if (!strncmp ("--em", argv[i], 4)) | |
149 | break; | |
150 | ||
151 | if (i == argc) | |
152 | goto do_default; | |
153 | ||
154 | p = strchr (argv[i], '='); | |
155 | if (p) | |
156 | p++; | |
157 | else | |
76b0a8c0 | 158 | p = argv[i + 1]; |
252b5132 RH |
159 | |
160 | if (!p || !*p) | |
161 | as_fatal (_("missing emulation mode name")); | |
162 | em = p; | |
163 | ||
164 | do_default: | |
165 | if (em == 0) | |
166 | em = getenv (EMULATION_ENVIRON); | |
167 | if (em == 0) | |
168 | em = DEFAULT_EMULATION; | |
169 | ||
170 | if (em) | |
171 | { | |
172 | for (i = 0; i < n_emulations; i++) | |
173 | if (!strcmp (emulations[i]->name, em)) | |
174 | break; | |
175 | if (i == n_emulations) | |
176 | as_fatal (_("unrecognized emulation name `%s'"), em); | |
177 | this_emulation = emulations[i]; | |
178 | } | |
179 | else | |
180 | this_emulation = emulations[0]; | |
181 | ||
182 | this_emulation->init (); | |
183 | } | |
184 | ||
185 | const char * | |
33948635 | 186 | default_emul_bfd_name (void) |
252b5132 RH |
187 | { |
188 | abort (); | |
189 | return NULL; | |
190 | } | |
191 | ||
192 | void | |
33948635 | 193 | common_emul_init (void) |
252b5132 RH |
194 | { |
195 | this_format = this_emulation->format; | |
196 | ||
197 | if (this_emulation->leading_underscore == 2) | |
198 | this_emulation->leading_underscore = this_format->dfl_leading_underscore; | |
199 | ||
200 | if (this_emulation->default_endian != 2) | |
201 | target_big_endian = this_emulation->default_endian; | |
202 | ||
203 | if (this_emulation->fake_label_name == 0) | |
204 | { | |
205 | if (this_emulation->leading_underscore) | |
206 | this_emulation->fake_label_name = "L0\001"; | |
207 | else | |
208 | /* What other parameters should we test? */ | |
209 | this_emulation->fake_label_name = ".L0\001"; | |
210 | } | |
211 | } | |
212 | #endif | |
213 | ||
4c63da97 | 214 | void |
33948635 | 215 | print_version_id (void) |
4c63da97 AM |
216 | { |
217 | static int printed; | |
33948635 | 218 | |
4c63da97 AM |
219 | if (printed) |
220 | return; | |
221 | printed = 1; | |
222 | ||
7be1c489 | 223 | fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s\n"), |
403487ec | 224 | VERSION, TARGET_ALIAS, BFD_VERSION_STRING); |
4c63da97 AM |
225 | } |
226 | ||
227 | static void | |
33948635 | 228 | show_usage (FILE * stream) |
4c63da97 AM |
229 | { |
230 | fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname); | |
231 | ||
232 | fprintf (stream, _("\ | |
233 | Options:\n\ | |
234 | -a[sub-option...] turn on listings\n\ | |
235 | Sub-options [default hls]:\n\ | |
236 | c omit false conditionals\n\ | |
237 | d omit debugging directives\n\ | |
238 | h include high-level source\n\ | |
239 | l include assembly\n\ | |
240 | m include macro expansions\n\ | |
241 | n omit forms processing\n\ | |
242 | s include symbols\n\ | |
4c63da97 AM |
243 | =FILE list to FILE (must be last sub-option)\n")); |
244 | ||
caa32fe5 NC |
245 | fprintf (stream, _("\ |
246 | --alternate initially turn on alternate macro syntax\n")); | |
4c63da97 AM |
247 | fprintf (stream, _("\ |
248 | -D produce assembler debugging messages\n")); | |
249 | fprintf (stream, _("\ | |
250 | --defsym SYM=VAL define symbol SYM to given value\n")); | |
251 | #ifdef USE_EMULATIONS | |
252 | { | |
253 | int i; | |
254 | char *def_em; | |
255 | ||
256 | fprintf (stream, "\ | |
257 | --em=["); | |
76b0a8c0 | 258 | for (i = 0; i < n_emulations - 1; i++) |
4c63da97 AM |
259 | fprintf (stream, "%s | ", emulations[i]->name); |
260 | fprintf (stream, "%s]\n", emulations[i]->name); | |
261 | ||
262 | def_em = getenv (EMULATION_ENVIRON); | |
76b0a8c0 | 263 | if (!def_em) |
4c63da97 AM |
264 | def_em = DEFAULT_EMULATION; |
265 | fprintf (stream, _("\ | |
266 | emulate output (default %s)\n"), def_em); | |
267 | } | |
68d55fe3 | 268 | #endif |
7be1c489 | 269 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
270 | fprintf (stream, _("\ |
271 | --execstack require executable stack for this object\n")); | |
272 | fprintf (stream, _("\ | |
273 | --noexecstack don't require executable stack for this object\n")); | |
4c63da97 AM |
274 | #endif |
275 | fprintf (stream, _("\ | |
276 | -f skip whitespace and comment preprocessing\n")); | |
277 | fprintf (stream, _("\ | |
329e276d NC |
278 | -g --gen-debug generate debugging information\n")); |
279 | fprintf (stream, _("\ | |
280 | --gstabs generate STABS debugging information\n")); | |
4c63da97 | 281 | fprintf (stream, _("\ |
329e276d | 282 | --gstabs+ generate STABS debug info with GNU extensions\n")); |
05da4302 | 283 | fprintf (stream, _("\ |
329e276d | 284 | --gdwarf-2 generate DWARF2 debugging information\n")); |
4c63da97 | 285 | fprintf (stream, _("\ |
4bdd3565 NC |
286 | --hash-size=<value> set the hash table size close to <value>\n")); |
287 | fprintf (stream, _("\ | |
4c63da97 AM |
288 | --help show this message and exit\n")); |
289 | fprintf (stream, _("\ | |
ea20a7da CC |
290 | --target-help show target specific options\n")); |
291 | fprintf (stream, _("\ | |
4c63da97 AM |
292 | -I DIR add DIR to search list for .include directives\n")); |
293 | fprintf (stream, _("\ | |
294 | -J don't warn about signed overflow\n")); | |
295 | fprintf (stream, _("\ | |
296 | -K warn when differences altered for long displacements\n")); | |
297 | fprintf (stream, _("\ | |
298 | -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); | |
299 | fprintf (stream, _("\ | |
300 | -M,--mri assemble in MRI compatibility mode\n")); | |
301 | fprintf (stream, _("\ | |
302 | --MD FILE write dependency information in FILE (default none)\n")); | |
303 | fprintf (stream, _("\ | |
304 | -nocpp ignored\n")); | |
305 | fprintf (stream, _("\ | |
306 | -o OBJFILE name the object-file output OBJFILE (default a.out)\n")); | |
307 | fprintf (stream, _("\ | |
308 | -R fold data section into text section\n")); | |
309 | fprintf (stream, _("\ | |
4bdd3565 NC |
310 | --reduce-memory-overheads \n\ |
311 | prefer smaller memory use at the cost of longer\n\ | |
312 | assembly times\n")); | |
313 | fprintf (stream, _("\ | |
4c63da97 AM |
314 | --statistics print various measured statistics from execution\n")); |
315 | fprintf (stream, _("\ | |
316 | --strip-local-absolute strip local absolute symbols\n")); | |
317 | fprintf (stream, _("\ | |
318 | --traditional-format Use same format as native assembler when possible\n")); | |
319 | fprintf (stream, _("\ | |
320 | --version print assembler version number and exit\n")); | |
321 | fprintf (stream, _("\ | |
322 | -W --no-warn suppress warnings\n")); | |
323 | fprintf (stream, _("\ | |
324 | --warn don't suppress warnings\n")); | |
325 | fprintf (stream, _("\ | |
326 | --fatal-warnings treat warnings as errors\n")); | |
327 | fprintf (stream, _("\ | |
328 | --itbl INSTTBL extend instruction set to include instructions\n\ | |
329 | matching the specifications defined in file INSTTBL\n")); | |
330 | fprintf (stream, _("\ | |
331 | -w ignored\n")); | |
332 | fprintf (stream, _("\ | |
333 | -X ignored\n")); | |
334 | fprintf (stream, _("\ | |
335 | -Z generate object file even after errors\n")); | |
336 | fprintf (stream, _("\ | |
337 | --listing-lhs-width set the width in words of the output data column of\n\ | |
338 | the listing\n")); | |
339 | fprintf (stream, _("\ | |
340 | --listing-lhs-width2 set the width in words of the continuation lines\n\ | |
341 | of the output data column; ignored if smaller than\n\ | |
342 | the width of the first line\n")); | |
343 | fprintf (stream, _("\ | |
344 | --listing-rhs-width set the max width in characters of the lines from\n\ | |
345 | the source file\n")); | |
346 | fprintf (stream, _("\ | |
347 | --listing-cont-lines set the maximum number of continuation lines used\n\ | |
348 | for the output data column of the listing\n")); | |
a55ff675 MM |
349 | fprintf (stream, _("\ |
350 | @FILE read options from FILE\n")); | |
4c63da97 AM |
351 | |
352 | md_show_usage (stream); | |
353 | ||
c20f4f8c | 354 | fputc ('\n', stream); |
8ad3436c | 355 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
4c63da97 AM |
356 | } |
357 | ||
76b0a8c0 KH |
358 | /* Since it is easy to do here we interpret the special arg "-" |
359 | to mean "use stdin" and we set that argv[] pointing to "". | |
360 | After we have munged argv[], the only things left are source file | |
361 | name(s) and ""(s) denoting stdin. These file names are used | |
362 | (perhaps more than once) later. | |
363 | ||
364 | check for new machine-dep cmdline options in | |
365 | md_parse_option definitions in config/tc-*.c. */ | |
252b5132 RH |
366 | |
367 | static void | |
33948635 | 368 | parse_args (int * pargc, char *** pargv) |
252b5132 | 369 | { |
33948635 NC |
370 | int old_argc; |
371 | int new_argc; | |
372 | char ** old_argv; | |
373 | char ** new_argv; | |
252b5132 RH |
374 | /* Starting the short option string with '-' is for programs that |
375 | expect options and other ARGV-elements in any order and that care about | |
376 | the ordering of the two. We describe each non-option ARGV-element | |
377 | as if it were the argument of an option with character code 1. */ | |
252b5132 | 378 | char *shortopts; |
5a38dc70 | 379 | extern const char *md_shortopts; |
33948635 NC |
380 | static const char std_shortopts[] = |
381 | { | |
30a2b4ef | 382 | '-', 'J', |
252b5132 | 383 | #ifndef WORKING_DOT_WORD |
30a2b4ef KH |
384 | /* -K is not meaningful if .word is not being hacked. */ |
385 | 'K', | |
252b5132 | 386 | #endif |
8f94ae4d | 387 | 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', 'o', ':', |
252b5132 | 388 | #ifndef VMS |
30a2b4ef KH |
389 | /* -v takes an argument on VMS, so we don't make it a generic |
390 | option. */ | |
391 | 'v', | |
252b5132 | 392 | #endif |
30a2b4ef | 393 | 'w', 'X', |
33948635 | 394 | /* New option for extending instruction set (see also --itbl below). */ |
30a2b4ef KH |
395 | 't', ':', |
396 | '\0' | |
397 | }; | |
252b5132 RH |
398 | struct option *longopts; |
399 | extern struct option md_longopts[]; | |
400 | extern size_t md_longopts_size; | |
33948635 NC |
401 | /* Codes used for the long options with no short synonyms. */ |
402 | enum option_values | |
403 | { | |
404 | OPTION_HELP = OPTION_STD_BASE, | |
405 | OPTION_NOCPP, | |
406 | OPTION_STATISTICS, | |
407 | OPTION_VERSION, | |
408 | OPTION_DUMPCONFIG, | |
409 | OPTION_VERBOSE, | |
410 | OPTION_EMULATION, | |
411 | OPTION_DEFSYM, | |
412 | OPTION_INSTTBL, | |
413 | OPTION_LISTING_LHS_WIDTH, | |
414 | OPTION_LISTING_LHS_WIDTH2, | |
415 | OPTION_LISTING_RHS_WIDTH, | |
416 | OPTION_LISTING_CONT_LINES, | |
417 | OPTION_DEPFILE, | |
418 | OPTION_GSTABS, | |
05da4302 | 419 | OPTION_GSTABS_PLUS, |
329e276d | 420 | OPTION_GDWARF2, |
33948635 NC |
421 | OPTION_STRIP_LOCAL_ABSOLUTE, |
422 | OPTION_TRADITIONAL_FORMAT, | |
33948635 NC |
423 | OPTION_WARN, |
424 | OPTION_TARGET_HELP, | |
425 | OPTION_EXECSTACK, | |
426 | OPTION_NOEXECSTACK, | |
caa32fe5 | 427 | OPTION_ALTERNATE, |
5a14ab23 | 428 | OPTION_AL, |
4bdd3565 NC |
429 | OPTION_HASH_TABLE_SIZE, |
430 | OPTION_REDUCE_MEMORY_OVERHEADS, | |
33948635 | 431 | OPTION_WARN_FATAL |
329e276d NC |
432 | /* When you add options here, check that they do |
433 | not collide with OPTION_MD_BASE. See as.h. */ | |
33948635 NC |
434 | }; |
435 | ||
436 | static const struct option std_longopts[] = | |
437 | { | |
329e276d NC |
438 | /* Note: commas are placed at the start of the line rather than |
439 | the end of the preceeding line so that it is simpler to | |
440 | selectively add and remove lines from this list. */ | |
441 | {"alternate", no_argument, NULL, OPTION_ALTERNATE} | |
fb767913 NC |
442 | /* The entry for "a" is here to prevent getopt_long_only() from |
443 | considering that -a is an abbreviation for --alternate. This is | |
444 | necessary because -a=<FILE> is a valid switch but getopt would | |
445 | normally reject it since --alternate does not take an argument. */ | |
446 | ,{"a", optional_argument, NULL, 'a'} | |
5a14ab23 L |
447 | /* Handle -al=<FILE>. */ |
448 | ,{"al", optional_argument, NULL, OPTION_AL} | |
329e276d NC |
449 | ,{"defsym", required_argument, NULL, OPTION_DEFSYM} |
450 | ,{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG} | |
451 | ,{"emulation", required_argument, NULL, OPTION_EMULATION} | |
7be1c489 | 452 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
329e276d NC |
453 | ,{"execstack", no_argument, NULL, OPTION_EXECSTACK} |
454 | ,{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK} | |
455 | #endif | |
456 | ,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL} | |
457 | ,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF2} | |
458 | /* GCC uses --gdwarf-2 but GAS uses to use --gdwarf2, | |
459 | so we keep it here for backwards compatibility. */ | |
460 | ,{"gdwarf2", no_argument, NULL, OPTION_GDWARF2} | |
461 | ,{"gen-debug", no_argument, NULL, 'g'} | |
462 | ,{"gstabs", no_argument, NULL, OPTION_GSTABS} | |
463 | ,{"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS} | |
4bdd3565 | 464 | ,{"hash-size", required_argument, NULL, OPTION_HASH_TABLE_SIZE} |
329e276d | 465 | ,{"help", no_argument, NULL, OPTION_HELP} |
252b5132 RH |
466 | /* New option for extending instruction set (see also -t above). |
467 | The "-t file" or "--itbl file" option extends the basic set of | |
468 | valid instructions by reading "file", a text file containing a | |
469 | list of instruction formats. The additional opcodes and their | |
470 | formats are added to the built-in set of instructions, and | |
471 | mnemonics for new registers may also be defined. */ | |
329e276d NC |
472 | ,{"itbl", required_argument, NULL, OPTION_INSTTBL} |
473 | /* getopt allows abbreviations, so we do this to stop it from | |
474 | treating -k as an abbreviation for --keep-locals. Some | |
475 | ports use -k to enable PIC assembly. */ | |
476 | ,{"keep-locals", no_argument, NULL, 'L'} | |
477 | ,{"keep-locals", no_argument, NULL, 'L'} | |
478 | ,{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH} | |
479 | ,{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2} | |
480 | ,{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH} | |
481 | ,{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES} | |
482 | ,{"MD", required_argument, NULL, OPTION_DEPFILE} | |
483 | ,{"mri", no_argument, NULL, 'M'} | |
484 | ,{"nocpp", no_argument, NULL, OPTION_NOCPP} | |
485 | ,{"no-warn", no_argument, NULL, 'W'} | |
4bdd3565 | 486 | ,{"reduce-memory-overheads", no_argument, NULL, OPTION_REDUCE_MEMORY_OVERHEADS} |
329e276d NC |
487 | ,{"statistics", no_argument, NULL, OPTION_STATISTICS} |
488 | ,{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE} | |
489 | ,{"version", no_argument, NULL, OPTION_VERSION} | |
490 | ,{"verbose", no_argument, NULL, OPTION_VERBOSE} | |
491 | ,{"target-help", no_argument, NULL, OPTION_TARGET_HELP} | |
492 | ,{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT} | |
493 | ,{"warn", no_argument, NULL, OPTION_WARN} | |
252b5132 RH |
494 | }; |
495 | ||
beb2de9b AC |
496 | /* Construct the option lists from the standard list and the target |
497 | dependent list. Include space for an extra NULL option and | |
76b0a8c0 | 498 | always NULL terminate. */ |
252b5132 | 499 | shortopts = concat (std_shortopts, md_shortopts, (char *) NULL); |
33948635 | 500 | longopts = xmalloc (sizeof (std_longopts) + md_longopts_size + sizeof (struct option)); |
252b5132 | 501 | memcpy (longopts, std_longopts, sizeof (std_longopts)); |
33948635 NC |
502 | memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size); |
503 | memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size, | |
beb2de9b | 504 | 0, sizeof (struct option)); |
252b5132 RH |
505 | |
506 | /* Make a local copy of the old argv. */ | |
507 | old_argc = *pargc; | |
508 | old_argv = *pargv; | |
509 | ||
510 | /* Initialize a new argv that contains no options. */ | |
33948635 | 511 | new_argv = xmalloc (sizeof (char *) * (old_argc + 1)); |
252b5132 RH |
512 | new_argv[0] = old_argv[0]; |
513 | new_argc = 1; | |
514 | new_argv[new_argc] = NULL; | |
515 | ||
516 | while (1) | |
517 | { | |
518 | /* getopt_long_only is like getopt_long, but '-' as well as '--' can | |
519 | indicate a long option. */ | |
520 | int longind; | |
521 | int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts, | |
522 | &longind); | |
523 | ||
524 | if (optc == -1) | |
525 | break; | |
526 | ||
527 | switch (optc) | |
528 | { | |
529 | default: | |
530 | /* md_parse_option should return 1 if it recognizes optc, | |
531 | 0 if not. */ | |
532 | if (md_parse_option (optc, optarg) != 0) | |
533 | break; | |
534 | /* `-v' isn't included in the general short_opts list, so check for | |
47eebc20 | 535 | it explicitly here before deciding we've gotten a bad argument. */ |
252b5132 RH |
536 | if (optc == 'v') |
537 | { | |
538 | #ifdef VMS | |
539 | /* Telling getopt to treat -v's value as optional can result | |
540 | in it picking up a following filename argument here. The | |
541 | VMS code in md_parse_option can return 0 in that case, | |
542 | but it has no way of pushing the filename argument back. */ | |
543 | if (optarg && *optarg) | |
30a2b4ef | 544 | new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; |
252b5132 RH |
545 | else |
546 | #else | |
547 | case 'v': | |
548 | #endif | |
549 | case OPTION_VERBOSE: | |
550 | print_version_id (); | |
54cfded0 | 551 | verbose = 1; |
252b5132 RH |
552 | break; |
553 | } | |
329e276d NC |
554 | else |
555 | as_bad (_("unrecognized option -%c%s"), optc, optarg ? optarg : ""); | |
76b0a8c0 | 556 | /* Fall through. */ |
252b5132 RH |
557 | |
558 | case '?': | |
559 | exit (EXIT_FAILURE); | |
560 | ||
561 | case 1: /* File name. */ | |
562 | if (!strcmp (optarg, "-")) | |
563 | optarg = ""; | |
564 | new_argv[new_argc++] = optarg; | |
565 | new_argv[new_argc] = NULL; | |
566 | break; | |
ef99799a | 567 | |
ea20a7da | 568 | case OPTION_TARGET_HELP: |
411863a4 KH |
569 | md_show_usage (stdout); |
570 | exit (EXIT_SUCCESS); | |
252b5132 RH |
571 | |
572 | case OPTION_HELP: | |
573 | show_usage (stdout); | |
574 | exit (EXIT_SUCCESS); | |
575 | ||
576 | case OPTION_NOCPP: | |
577 | break; | |
578 | ||
579 | case OPTION_STATISTICS: | |
580 | flag_print_statistics = 1; | |
581 | break; | |
582 | ||
583 | case OPTION_STRIP_LOCAL_ABSOLUTE: | |
584 | flag_strip_local_absolute = 1; | |
585 | break; | |
586 | ||
587 | case OPTION_TRADITIONAL_FORMAT: | |
588 | flag_traditional_format = 1; | |
589 | break; | |
590 | ||
591 | case OPTION_VERSION: | |
592 | /* This output is intended to follow the GNU standards document. */ | |
6c19f338 | 593 | printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); |
d342277e | 594 | printf (_("Copyright 2005 Free Software Foundation, Inc.\n")); |
252b5132 RH |
595 | printf (_("\ |
596 | This program is free software; you may redistribute it under the terms of\n\ | |
597 | the GNU General Public License. This program has absolutely no warranty.\n")); | |
598 | printf (_("This assembler was configured for a target of `%s'.\n"), | |
599 | TARGET_ALIAS); | |
600 | exit (EXIT_SUCCESS); | |
601 | ||
602 | case OPTION_EMULATION: | |
603 | #ifdef USE_EMULATIONS | |
604 | if (strcmp (optarg, this_emulation->name)) | |
605 | as_fatal (_("multiple emulation names specified")); | |
606 | #else | |
607 | as_fatal (_("emulations not handled in this configuration")); | |
608 | #endif | |
609 | break; | |
610 | ||
611 | case OPTION_DUMPCONFIG: | |
612 | fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS); | |
613 | fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL); | |
614 | fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU); | |
615 | #ifdef TARGET_OBJ_FORMAT | |
616 | fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT); | |
617 | #endif | |
618 | #ifdef TARGET_FORMAT | |
619 | fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT); | |
620 | #endif | |
621 | exit (EXIT_SUCCESS); | |
622 | ||
623 | case OPTION_DEFSYM: | |
624 | { | |
625 | char *s; | |
a38cf1db | 626 | valueT i; |
252b5132 RH |
627 | struct defsym_list *n; |
628 | ||
629 | for (s = optarg; *s != '\0' && *s != '='; s++) | |
630 | ; | |
631 | if (*s == '\0') | |
632 | as_fatal (_("bad defsym; format is --defsym name=value")); | |
633 | *s++ = '\0'; | |
a38cf1db | 634 | i = bfd_scan_vma (s, (const char **) NULL, 0); |
33948635 | 635 | n = xmalloc (sizeof *n); |
252b5132 RH |
636 | n->next = defsyms; |
637 | n->name = optarg; | |
638 | n->value = i; | |
639 | defsyms = n; | |
640 | } | |
641 | break; | |
642 | ||
643 | case OPTION_INSTTBL: | |
644 | case 't': | |
645 | { | |
76b0a8c0 KH |
646 | /* optarg is the name of the file containing the instruction |
647 | formats, opcodes, register names, etc. */ | |
252b5132 RH |
648 | struct itbl_file_list *n; |
649 | ||
650 | if (optarg == NULL) | |
651 | { | |
0e389e77 | 652 | as_warn (_("no file name following -t option")); |
252b5132 RH |
653 | break; |
654 | } | |
76b0a8c0 | 655 | |
33948635 | 656 | n = xmalloc (sizeof * n); |
252b5132 RH |
657 | n->next = itbl_files; |
658 | n->name = optarg; | |
659 | itbl_files = n; | |
660 | ||
661 | /* Parse the file and add the new instructions to our internal | |
76b0a8c0 KH |
662 | table. If multiple instruction tables are specified, the |
663 | information from this table gets appended onto the existing | |
664 | internal table. */ | |
252b5132 RH |
665 | itbl_files->name = xstrdup (optarg); |
666 | if (itbl_parse (itbl_files->name) != 0) | |
0e389e77 AM |
667 | as_fatal (_("failed to read instruction table %s\n"), |
668 | itbl_files->name); | |
252b5132 RH |
669 | } |
670 | break; | |
671 | ||
672 | case OPTION_DEPFILE: | |
673 | start_dependencies (optarg); | |
674 | break; | |
675 | ||
329e276d | 676 | case 'g': |
8f94ae4d NC |
677 | /* Some backends, eg Alpha and Mips, use the -g switch for their |
678 | own purposes. So we check here for an explicit -g and allow | |
329e276d NC |
679 | the backend to decide if it wants to process it. */ |
680 | if ( old_argv[optind - 1][1] == 'g' | |
329e276d NC |
681 | && md_parse_option (optc, optarg)) |
682 | continue; | |
683 | ||
684 | if (md_debug_format_selector) | |
685 | debug_type = md_debug_format_selector (& use_gnu_debug_info_extensions); | |
686 | else if (IS_ELF) | |
687 | debug_type = DEBUG_DWARF2; | |
688 | else | |
689 | debug_type = DEBUG_STABS; | |
690 | break; | |
691 | ||
05da4302 NC |
692 | case OPTION_GSTABS_PLUS: |
693 | use_gnu_debug_info_extensions = 1; | |
694 | /* Fall through. */ | |
252b5132 RH |
695 | case OPTION_GSTABS: |
696 | debug_type = DEBUG_STABS; | |
697 | break; | |
76b0a8c0 | 698 | |
fac0d250 RH |
699 | case OPTION_GDWARF2: |
700 | debug_type = DEBUG_DWARF2; | |
701 | break; | |
702 | ||
252b5132 RH |
703 | case 'J': |
704 | flag_signed_overflow_ok = 1; | |
705 | break; | |
706 | ||
707 | #ifndef WORKING_DOT_WORD | |
708 | case 'K': | |
709 | flag_warn_displacement = 1; | |
710 | break; | |
711 | #endif | |
252b5132 RH |
712 | case 'L': |
713 | flag_keep_locals = 1; | |
714 | break; | |
715 | ||
716 | case OPTION_LISTING_LHS_WIDTH: | |
76b0a8c0 | 717 | listing_lhs_width = atoi (optarg); |
252b5132 RH |
718 | if (listing_lhs_width_second < listing_lhs_width) |
719 | listing_lhs_width_second = listing_lhs_width; | |
720 | break; | |
721 | case OPTION_LISTING_LHS_WIDTH2: | |
722 | { | |
76b0a8c0 | 723 | int tmp = atoi (optarg); |
329e276d | 724 | |
252b5132 RH |
725 | if (tmp > listing_lhs_width) |
726 | listing_lhs_width_second = tmp; | |
727 | } | |
728 | break; | |
729 | case OPTION_LISTING_RHS_WIDTH: | |
76b0a8c0 | 730 | listing_rhs_width = atoi (optarg); |
252b5132 RH |
731 | break; |
732 | case OPTION_LISTING_CONT_LINES: | |
76b0a8c0 | 733 | listing_lhs_cont_lines = atoi (optarg); |
252b5132 RH |
734 | break; |
735 | ||
736 | case 'M': | |
737 | flag_mri = 1; | |
738 | #ifdef TC_M68K | |
739 | flag_m68k_mri = 1; | |
740 | #endif | |
741 | break; | |
742 | ||
743 | case 'R': | |
744 | flag_readonly_data_in_text = 1; | |
745 | break; | |
746 | ||
747 | case 'W': | |
748 | flag_no_warnings = 1; | |
749 | break; | |
750 | ||
2bdd6cf5 GK |
751 | case OPTION_WARN: |
752 | flag_no_warnings = 0; | |
753 | flag_fatal_warnings = 0; | |
754 | break; | |
755 | ||
756 | case OPTION_WARN_FATAL: | |
757 | flag_no_warnings = 0; | |
758 | flag_fatal_warnings = 1; | |
759 | break; | |
760 | ||
7be1c489 | 761 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
762 | case OPTION_EXECSTACK: |
763 | flag_execstack = 1; | |
764 | flag_noexecstack = 0; | |
765 | break; | |
766 | ||
767 | case OPTION_NOEXECSTACK: | |
768 | flag_noexecstack = 1; | |
769 | flag_execstack = 0; | |
770 | break; | |
771 | #endif | |
252b5132 RH |
772 | case 'Z': |
773 | flag_always_generate_output = 1; | |
774 | break; | |
775 | ||
5a14ab23 L |
776 | case OPTION_AL: |
777 | listing |= LISTING_LISTING; | |
778 | if (optarg) | |
779 | listing_filename = xstrdup (optarg); | |
780 | break; | |
781 | ||
caa32fe5 NC |
782 | case OPTION_ALTERNATE: |
783 | optarg = old_argv [optind - 1]; | |
784 | while (* optarg == '-') | |
785 | optarg ++; | |
786 | ||
787 | if (strcmp (optarg, "alternate") == 0) | |
788 | { | |
789 | flag_macro_alternate = 1; | |
790 | break; | |
791 | } | |
792 | optarg ++; | |
793 | /* Fall through. */ | |
794 | ||
252b5132 RH |
795 | case 'a': |
796 | if (optarg) | |
797 | { | |
fb767913 NC |
798 | if (optarg != old_argv[optind] && optarg[-1] == '=') |
799 | --optarg; | |
800 | ||
7f6d05e8 CP |
801 | if (md_parse_option (optc, optarg) != 0) |
802 | break; | |
803 | ||
252b5132 RH |
804 | while (*optarg) |
805 | { | |
806 | switch (*optarg) | |
807 | { | |
808 | case 'c': | |
809 | listing |= LISTING_NOCOND; | |
810 | break; | |
811 | case 'd': | |
812 | listing |= LISTING_NODEBUG; | |
813 | break; | |
814 | case 'h': | |
815 | listing |= LISTING_HLL; | |
816 | break; | |
817 | case 'l': | |
818 | listing |= LISTING_LISTING; | |
819 | break; | |
820 | case 'm': | |
821 | listing |= LISTING_MACEXP; | |
822 | break; | |
823 | case 'n': | |
824 | listing |= LISTING_NOFORM; | |
825 | break; | |
826 | case 's': | |
827 | listing |= LISTING_SYMBOLS; | |
828 | break; | |
829 | case '=': | |
830 | listing_filename = xstrdup (optarg + 1); | |
831 | optarg += strlen (listing_filename); | |
832 | break; | |
833 | default: | |
834 | as_fatal (_("invalid listing option `%c'"), *optarg); | |
835 | break; | |
836 | } | |
837 | optarg++; | |
838 | } | |
839 | } | |
840 | if (!listing) | |
841 | listing = LISTING_DEFAULT; | |
842 | break; | |
843 | ||
844 | case 'D': | |
76b0a8c0 KH |
845 | /* DEBUG is implemented: it debugs different |
846 | things from other people's assemblers. */ | |
252b5132 RH |
847 | flag_debug = 1; |
848 | break; | |
849 | ||
850 | case 'f': | |
851 | flag_no_comments = 1; | |
852 | break; | |
853 | ||
854 | case 'I': | |
76b0a8c0 | 855 | { /* Include file directory. */ |
252b5132 | 856 | char *temp = xstrdup (optarg); |
329e276d | 857 | |
252b5132 RH |
858 | add_include_dir (temp); |
859 | break; | |
860 | } | |
861 | ||
862 | case 'o': | |
863 | out_file_name = xstrdup (optarg); | |
864 | break; | |
865 | ||
866 | case 'w': | |
867 | break; | |
868 | ||
869 | case 'X': | |
76b0a8c0 | 870 | /* -X means treat warnings as errors. */ |
252b5132 | 871 | break; |
4bdd3565 NC |
872 | |
873 | case OPTION_REDUCE_MEMORY_OVERHEADS: | |
874 | /* The only change we make at the moment is to reduce | |
875 | the size of the hash tables that we use. */ | |
876 | set_gas_hash_table_size (4051); | |
877 | break; | |
878 | ||
879 | case OPTION_HASH_TABLE_SIZE: | |
880 | { | |
f7a568ea | 881 | unsigned long new_size; |
4bdd3565 NC |
882 | |
883 | new_size = strtoul (optarg, NULL, 0); | |
884 | if (new_size) | |
885 | set_gas_hash_table_size (new_size); | |
886 | else | |
887 | as_fatal (_("--hash-size needs a numeric argument")); | |
888 | break; | |
889 | } | |
252b5132 RH |
890 | } |
891 | } | |
892 | ||
893 | free (shortopts); | |
894 | free (longopts); | |
895 | ||
896 | *pargc = new_argc; | |
897 | *pargv = new_argv; | |
acebd4ce AS |
898 | |
899 | #ifdef md_after_parse_args | |
900 | md_after_parse_args (); | |
901 | #endif | |
252b5132 RH |
902 | } |
903 | ||
33948635 NC |
904 | static void |
905 | dump_statistics (void) | |
906 | { | |
907 | #ifdef HAVE_SBRK | |
908 | char *lim = (char *) sbrk (0); | |
909 | #endif | |
910 | long run_time = get_run_time () - start_time; | |
911 | ||
912 | fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"), | |
913 | myname, run_time / 1000000, run_time % 1000000); | |
914 | #ifdef HAVE_SBRK | |
915 | fprintf (stderr, _("%s: data size %ld\n"), | |
916 | myname, (long) (lim - (char *) &environ)); | |
917 | #endif | |
252b5132 | 918 | |
33948635 NC |
919 | subsegs_print_statistics (stderr); |
920 | write_print_statistics (stderr); | |
921 | symbol_print_statistics (stderr); | |
922 | read_print_statistics (stderr); | |
923 | ||
924 | #ifdef tc_print_statistics | |
925 | tc_print_statistics (stderr); | |
926 | #endif | |
927 | ||
928 | #ifdef obj_print_statistics | |
929 | obj_print_statistics (stderr); | |
930 | #endif | |
931 | } | |
932 | ||
933 | /* The interface between the macro code and gas expression handling. */ | |
934 | ||
935 | static int | |
936 | macro_expr (const char *emsg, int idx, sb *in, int *val) | |
937 | { | |
938 | char *hold; | |
939 | expressionS ex; | |
940 | ||
941 | sb_terminate (in); | |
942 | ||
943 | hold = input_line_pointer; | |
944 | input_line_pointer = in->ptr + idx; | |
9497f5ac | 945 | expression_and_evaluate (&ex); |
33948635 NC |
946 | idx = input_line_pointer - in->ptr; |
947 | input_line_pointer = hold; | |
948 | ||
949 | if (ex.X_op != O_constant) | |
950 | as_bad ("%s", emsg); | |
951 | ||
952 | *val = (int) ex.X_add_number; | |
953 | ||
954 | return idx; | |
955 | } | |
956 | \f | |
957 | /* Here to attempt 1 pass over each input file. | |
958 | We scan argv[*] looking for filenames or exactly "" which is | |
959 | shorthand for stdin. Any argv that is NULL is not a file-name. | |
960 | We set need_pass_2 TRUE if, after this, we still have unresolved | |
961 | expressions of the form (unknown value)+-(unknown value). | |
962 | ||
963 | Note the un*x semantics: there is only 1 logical input file, but it | |
964 | may be a catenation of many 'physical' input files. */ | |
965 | ||
966 | static void | |
967 | perform_an_assembly_pass (int argc, char ** argv) | |
968 | { | |
969 | int saw_a_file = 0; | |
33948635 | 970 | flagword applicable; |
33948635 NC |
971 | |
972 | need_pass_2 = 0; | |
973 | ||
33948635 NC |
974 | /* Create the standard sections, and those the assembler uses |
975 | internally. */ | |
976 | text_section = subseg_new (TEXT_SECTION_NAME, 0); | |
977 | data_section = subseg_new (DATA_SECTION_NAME, 0); | |
978 | bss_section = subseg_new (BSS_SECTION_NAME, 0); | |
979 | /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed | |
980 | to have relocs, otherwise we don't find out in time. */ | |
981 | applicable = bfd_applicable_section_flags (stdoutput); | |
982 | bfd_set_section_flags (stdoutput, text_section, | |
983 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
984 | | SEC_CODE | SEC_READONLY)); | |
985 | bfd_set_section_flags (stdoutput, data_section, | |
986 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
987 | | SEC_DATA)); | |
988 | bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC); | |
989 | seg_info (bss_section)->bss = 1; | |
990 | subseg_new (BFD_ABS_SECTION_NAME, 0); | |
991 | subseg_new (BFD_UND_SECTION_NAME, 0); | |
992 | reg_section = subseg_new ("*GAS `reg' section*", 0); | |
993 | expr_section = subseg_new ("*GAS `expr' section*", 0); | |
994 | ||
33948635 NC |
995 | subseg_set (text_section, 0); |
996 | ||
997 | /* This may add symbol table entries, which requires having an open BFD, | |
7be1c489 | 998 | and sections already created. */ |
33948635 NC |
999 | md_begin (); |
1000 | ||
1001 | #ifdef USING_CGEN | |
1002 | gas_cgen_begin (); | |
1003 | #endif | |
1004 | #ifdef obj_begin | |
1005 | obj_begin (); | |
1006 | #endif | |
1007 | ||
1008 | /* Skip argv[0]. */ | |
1009 | argv++; | |
1010 | argc--; | |
1011 | ||
1012 | while (argc--) | |
1013 | { | |
1014 | if (*argv) | |
1015 | { /* Is it a file-name argument? */ | |
1016 | PROGRESS (1); | |
1017 | saw_a_file++; | |
1018 | /* argv->"" if stdin desired, else->filename. */ | |
1019 | read_a_source_file (*argv); | |
1020 | } | |
1021 | argv++; /* Completed that argv. */ | |
1022 | } | |
1023 | if (!saw_a_file) | |
1024 | read_a_source_file (""); | |
1025 | } | |
1026 | \f | |
a80076a1 | 1027 | |
76b0a8c0 | 1028 | int |
33948635 | 1029 | main (int argc, char ** argv) |
252b5132 | 1030 | { |
252b5132 RH |
1031 | int macro_strip_at; |
1032 | int keep_it; | |
1033 | ||
1034 | start_time = get_run_time (); | |
1035 | ||
1036 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
1037 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
1038 | #endif |
1039 | #if defined (HAVE_SETLOCALE) | |
1040 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
1041 | #endif |
1042 | bindtextdomain (PACKAGE, LOCALEDIR); | |
1043 | textdomain (PACKAGE); | |
1044 | ||
1045 | if (debug_memory) | |
091e58c1 | 1046 | chunksize = 64; |
252b5132 RH |
1047 | |
1048 | #ifdef HOST_SPECIAL_INIT | |
1049 | HOST_SPECIAL_INIT (argc, argv); | |
1050 | #endif | |
1051 | ||
1052 | myname = argv[0]; | |
1053 | xmalloc_set_program_name (myname); | |
1054 | ||
869b9d07 MM |
1055 | expandargv (&argc, &argv); |
1056 | ||
252b5132 RH |
1057 | START_PROGRESS (myname, 0); |
1058 | ||
1059 | #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME | |
1060 | #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out" | |
1061 | #endif | |
1062 | ||
1063 | out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; | |
1064 | ||
1065 | hex_init (); | |
252b5132 RH |
1066 | bfd_init (); |
1067 | bfd_set_error_program_name (myname); | |
252b5132 RH |
1068 | |
1069 | #ifdef USE_EMULATIONS | |
1070 | select_emulation_mode (argc, argv); | |
1071 | #endif | |
1072 | ||
1073 | PROGRESS (1); | |
f7a568ea NC |
1074 | /* Call parse_args before any of the init/begin functions |
1075 | so that switches like --hash-size can be honored. */ | |
1076 | parse_args (&argc, &argv); | |
252b5132 RH |
1077 | symbol_begin (); |
1078 | frag_init (); | |
1079 | subsegs_begin (); | |
252b5132 RH |
1080 | read_begin (); |
1081 | input_scrub_begin (); | |
1082 | expr_begin (); | |
1083 | ||
1084 | if (flag_print_statistics) | |
1085 | xatexit (dump_statistics); | |
1086 | ||
252b5132 RH |
1087 | macro_strip_at = 0; |
1088 | #ifdef TC_I960 | |
1089 | macro_strip_at = flag_mri; | |
1090 | #endif | |
252b5132 | 1091 | |
caa32fe5 | 1092 | macro_init (flag_macro_alternate, flag_mri, macro_strip_at, macro_expr); |
252b5132 RH |
1093 | |
1094 | PROGRESS (1); | |
1095 | ||
252b5132 RH |
1096 | output_file_create (out_file_name); |
1097 | assert (stdoutput != 0); | |
252b5132 RH |
1098 | |
1099 | #ifdef tc_init_after_args | |
1100 | tc_init_after_args (); | |
1101 | #endif | |
1102 | ||
1103 | itbl_init (); | |
1104 | ||
1105 | /* Now that we have fully initialized, and have created the output | |
1106 | file, define any symbols requested by --defsym command line | |
1107 | arguments. */ | |
1108 | while (defsyms != NULL) | |
1109 | { | |
1110 | symbolS *sym; | |
1111 | struct defsym_list *next; | |
1112 | ||
1113 | sym = symbol_new (defsyms->name, absolute_section, defsyms->value, | |
1114 | &zero_address_frag); | |
1115 | symbol_table_insert (sym); | |
1116 | next = defsyms->next; | |
1117 | free (defsyms); | |
1118 | defsyms = next; | |
1119 | } | |
1120 | ||
1121 | PROGRESS (1); | |
1122 | ||
76b0a8c0 KH |
1123 | /* Assemble it. */ |
1124 | perform_an_assembly_pass (argc, argv); | |
252b5132 RH |
1125 | |
1126 | cond_finish_check (-1); | |
1127 | ||
1128 | #ifdef md_end | |
1129 | md_end (); | |
1130 | #endif | |
1131 | ||
7be1c489 | 1132 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
1133 | if ((flag_execstack || flag_noexecstack) |
1134 | && OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
1135 | { | |
1136 | segT gnustack; | |
1137 | ||
1138 | gnustack = subseg_new (".note.GNU-stack", 0); | |
1139 | bfd_set_section_flags (stdoutput, gnustack, | |
1140 | SEC_READONLY | (flag_execstack ? SEC_CODE : 0)); | |
1141 | ||
1142 | } | |
1143 | #endif | |
1144 | ||
43ad3147 | 1145 | /* If we've been collecting dwarf2 .debug_line info, either for |
39bb5fe6 RH |
1146 | assembly debugging or on behalf of the compiler, emit it now. */ |
1147 | dwarf2_finish (); | |
1148 | ||
a4447b93 RH |
1149 | /* If we constructed dwarf2 .eh_frame info, either via .cfi |
1150 | directives from the user or by the backend, emit it now. */ | |
54cfded0 | 1151 | cfi_finish (); |
54cfded0 | 1152 | |
252b5132 RH |
1153 | if (seen_at_least_1_file () |
1154 | && (flag_always_generate_output || had_errors () == 0)) | |
1155 | keep_it = 1; | |
1156 | else | |
1157 | keep_it = 0; | |
1158 | ||
252b5132 RH |
1159 | /* This used to be done at the start of write_object_file in |
1160 | write.c, but that caused problems when doing listings when | |
1161 | keep_it was zero. This could probably be moved above md_end, but | |
1162 | I didn't want to risk the change. */ | |
1163 | subsegs_finish (); | |
252b5132 RH |
1164 | |
1165 | if (keep_it) | |
1166 | write_object_file (); | |
1167 | ||
1168 | #ifndef NO_LISTING | |
1169 | listing_print (listing_filename); | |
1170 | #endif | |
1171 | ||
33948635 | 1172 | #ifndef OBJ_VMS /* Does its own file handling. */ |
7be1c489 | 1173 | output_file_close (out_file_name); |
252b5132 RH |
1174 | #endif |
1175 | ||
76b0a8c0 KH |
1176 | if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0) |
1177 | as_bad (_("%d warnings, treating warnings as errors"), had_warnings ()); | |
2bdd6cf5 | 1178 | |
252b5132 RH |
1179 | if (had_errors () > 0 && ! flag_always_generate_output) |
1180 | keep_it = 0; | |
1181 | ||
1182 | if (!keep_it) | |
bb14f524 | 1183 | unlink_if_ordinary (out_file_name); |
252b5132 RH |
1184 | |
1185 | input_scrub_end (); | |
1186 | ||
1187 | END_PROGRESS (myname); | |
1188 | ||
1189 | /* Use xexit instead of return, because under VMS environments they | |
1190 | may not place the same interpretation on the value given. */ | |
1191 | if (had_errors () > 0) | |
1192 | xexit (EXIT_FAILURE); | |
1193 | ||
1194 | /* Only generate dependency file if assembler was successful. */ | |
1195 | print_dependencies (); | |
1196 | ||
1197 | xexit (EXIT_SUCCESS); | |
1198 | } |