Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* as.c - GAS main program. |
f7e42eb4 | 2 | Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
2a538ba5 | 3 | 1999, 2000, 2001, 2002 |
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 | |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
76b0a8c0 | 21 | 02111-1307, 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" |
252b5132 | 45 | |
b95d15c6 AM |
46 | #ifdef BFD_ASSEMBLER |
47 | #include "bfdver.h" | |
48 | #endif | |
49 | ||
84be4d71 ILT |
50 | #ifdef HAVE_ITBL_CPU |
51 | #include "itbl-ops.h" | |
52 | #else | |
252b5132 RH |
53 | #define itbl_parse(itbl_file) 1 |
54 | #define itbl_init() | |
55 | #endif | |
56 | ||
57 | #ifdef HAVE_SBRK | |
58 | #ifdef NEED_DECLARATION_SBRK | |
59 | extern PTR sbrk (); | |
60 | #endif | |
61 | #endif | |
62 | ||
9cc92a36 NC |
63 | #ifdef USING_CGEN |
64 | /* Perform any cgen specific initialisation for gas. */ | |
33948635 | 65 | extern void gas_cgen_begin (void); |
9cc92a36 | 66 | #endif |
252b5132 | 67 | |
33948635 NC |
68 | /* Keep a record of the itbl files we read in. */ |
69 | struct itbl_file_list | |
70 | { | |
71 | struct itbl_file_list *next; | |
72 | char *name; | |
73 | }; | |
74 | ||
75 | /* We build a list of defsyms as we read the options, and then define | |
76 | them after we have initialized everything. */ | |
77 | struct defsym_list | |
78 | { | |
79 | struct defsym_list *next; | |
80 | char *name; | |
81 | valueT value; | |
82 | }; | |
83 | ||
84 | ||
76b0a8c0 KH |
85 | /* True if a listing is wanted. */ |
86 | int listing; | |
252b5132 | 87 | |
252b5132 | 88 | /* Type of debugging to generate. */ |
4dc7ead9 | 89 | enum debug_info_type debug_type = DEBUG_UNSPECIFIED; |
05da4302 | 90 | int use_gnu_debug_info_extensions = 0; |
252b5132 RH |
91 | |
92 | /* Maximum level of macro nesting. */ | |
252b5132 RH |
93 | int max_macro_nest = 100; |
94 | ||
76b0a8c0 | 95 | /* argv[0] */ |
33948635 | 96 | char * myname; |
252b5132 RH |
97 | |
98 | /* The default obstack chunk size. If we set this to zero, the | |
99 | obstack code will use whatever will fit in a 4096 byte block. */ | |
100 | int chunksize = 0; | |
101 | ||
102 | /* To monitor memory allocation more effectively, make this non-zero. | |
103 | Then the chunk sizes for gas and bfd will be reduced. */ | |
104 | int debug_memory = 0; | |
105 | ||
54cfded0 AM |
106 | /* Enable verbose mode. */ |
107 | int verbose = 0; | |
108 | ||
33948635 NC |
109 | #ifdef BFD_ASSEMBLER |
110 | segT reg_section; | |
111 | segT expr_section; | |
112 | segT text_section; | |
113 | segT data_section; | |
114 | segT bss_section; | |
115 | #endif | |
252b5132 | 116 | |
33948635 NC |
117 | /* Name of listing file. */ |
118 | static char *listing_filename = NULL; | |
252b5132 RH |
119 | |
120 | static struct defsym_list *defsyms; | |
121 | ||
33948635 | 122 | static struct itbl_file_list *itbl_files; |
252b5132 | 123 | |
33948635 | 124 | static long start_time; |
252b5132 | 125 | |
252b5132 | 126 | \f |
252b5132 RH |
127 | #ifdef USE_EMULATIONS |
128 | #define EMULATION_ENVIRON "AS_EMULATION" | |
129 | ||
130 | extern struct emulation mipsbelf, mipslelf, mipself; | |
131 | extern struct emulation mipsbecoff, mipslecoff, mipsecoff; | |
4c63da97 | 132 | extern struct emulation i386coff, i386elf, i386aout; |
3bcbcc3d | 133 | extern struct emulation crisaout, criself; |
252b5132 RH |
134 | |
135 | static struct emulation *const emulations[] = { EMULATIONS }; | |
136 | static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); | |
137 | ||
252b5132 | 138 | static void |
33948635 | 139 | select_emulation_mode (int argc, char **argv) |
252b5132 RH |
140 | { |
141 | int i; | |
142 | char *p, *em = 0; | |
143 | ||
144 | for (i = 1; i < argc; i++) | |
145 | if (!strncmp ("--em", argv[i], 4)) | |
146 | break; | |
147 | ||
148 | if (i == argc) | |
149 | goto do_default; | |
150 | ||
151 | p = strchr (argv[i], '='); | |
152 | if (p) | |
153 | p++; | |
154 | else | |
76b0a8c0 | 155 | p = argv[i + 1]; |
252b5132 RH |
156 | |
157 | if (!p || !*p) | |
158 | as_fatal (_("missing emulation mode name")); | |
159 | em = p; | |
160 | ||
161 | do_default: | |
162 | if (em == 0) | |
163 | em = getenv (EMULATION_ENVIRON); | |
164 | if (em == 0) | |
165 | em = DEFAULT_EMULATION; | |
166 | ||
167 | if (em) | |
168 | { | |
169 | for (i = 0; i < n_emulations; i++) | |
170 | if (!strcmp (emulations[i]->name, em)) | |
171 | break; | |
172 | if (i == n_emulations) | |
173 | as_fatal (_("unrecognized emulation name `%s'"), em); | |
174 | this_emulation = emulations[i]; | |
175 | } | |
176 | else | |
177 | this_emulation = emulations[0]; | |
178 | ||
179 | this_emulation->init (); | |
180 | } | |
181 | ||
182 | const char * | |
33948635 | 183 | default_emul_bfd_name (void) |
252b5132 RH |
184 | { |
185 | abort (); | |
186 | return NULL; | |
187 | } | |
188 | ||
189 | void | |
33948635 | 190 | common_emul_init (void) |
252b5132 RH |
191 | { |
192 | this_format = this_emulation->format; | |
193 | ||
194 | if (this_emulation->leading_underscore == 2) | |
195 | this_emulation->leading_underscore = this_format->dfl_leading_underscore; | |
196 | ||
197 | if (this_emulation->default_endian != 2) | |
198 | target_big_endian = this_emulation->default_endian; | |
199 | ||
200 | if (this_emulation->fake_label_name == 0) | |
201 | { | |
202 | if (this_emulation->leading_underscore) | |
203 | this_emulation->fake_label_name = "L0\001"; | |
204 | else | |
205 | /* What other parameters should we test? */ | |
206 | this_emulation->fake_label_name = ".L0\001"; | |
207 | } | |
208 | } | |
209 | #endif | |
210 | ||
4c63da97 | 211 | void |
33948635 | 212 | print_version_id (void) |
4c63da97 AM |
213 | { |
214 | static int printed; | |
33948635 | 215 | |
4c63da97 AM |
216 | if (printed) |
217 | return; | |
218 | printed = 1; | |
219 | ||
220 | #ifdef BFD_ASSEMBLER | |
221 | fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s"), | |
403487ec | 222 | VERSION, TARGET_ALIAS, BFD_VERSION_STRING); |
4c63da97 AM |
223 | #else |
224 | fprintf (stderr, _("GNU assembler version %s (%s)"), VERSION, TARGET_ALIAS); | |
225 | #endif | |
226 | fprintf (stderr, "\n"); | |
227 | } | |
228 | ||
229 | static void | |
33948635 | 230 | show_usage (FILE * stream) |
4c63da97 AM |
231 | { |
232 | fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname); | |
233 | ||
234 | fprintf (stream, _("\ | |
235 | Options:\n\ | |
236 | -a[sub-option...] turn on listings\n\ | |
237 | Sub-options [default hls]:\n\ | |
238 | c omit false conditionals\n\ | |
239 | d omit debugging directives\n\ | |
240 | h include high-level source\n\ | |
241 | l include assembly\n\ | |
242 | m include macro expansions\n\ | |
243 | n omit forms processing\n\ | |
244 | s include symbols\n\ | |
4c63da97 AM |
245 | =FILE list to FILE (must be last sub-option)\n")); |
246 | ||
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 JJ |
268 | #endif |
269 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) | |
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, _("\ | |
278 | --gstabs generate stabs debugging information\n")); | |
279 | fprintf (stream, _("\ | |
05da4302 NC |
280 | --gstabs+ generate stabs debug info with GNU extensions\n")); |
281 | fprintf (stream, _("\ | |
4c63da97 AM |
282 | --gdwarf2 generate DWARF2 debugging information\n")); |
283 | fprintf (stream, _("\ | |
284 | --help show this message and exit\n")); | |
285 | fprintf (stream, _("\ | |
ea20a7da CC |
286 | --target-help show target specific options\n")); |
287 | fprintf (stream, _("\ | |
4c63da97 AM |
288 | -I DIR add DIR to search list for .include directives\n")); |
289 | fprintf (stream, _("\ | |
290 | -J don't warn about signed overflow\n")); | |
291 | fprintf (stream, _("\ | |
292 | -K warn when differences altered for long displacements\n")); | |
293 | fprintf (stream, _("\ | |
294 | -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); | |
295 | fprintf (stream, _("\ | |
296 | -M,--mri assemble in MRI compatibility mode\n")); | |
297 | fprintf (stream, _("\ | |
298 | --MD FILE write dependency information in FILE (default none)\n")); | |
299 | fprintf (stream, _("\ | |
300 | -nocpp ignored\n")); | |
301 | fprintf (stream, _("\ | |
302 | -o OBJFILE name the object-file output OBJFILE (default a.out)\n")); | |
303 | fprintf (stream, _("\ | |
304 | -R fold data section into text section\n")); | |
305 | fprintf (stream, _("\ | |
306 | --statistics print various measured statistics from execution\n")); | |
307 | fprintf (stream, _("\ | |
308 | --strip-local-absolute strip local absolute symbols\n")); | |
309 | fprintf (stream, _("\ | |
310 | --traditional-format Use same format as native assembler when possible\n")); | |
311 | fprintf (stream, _("\ | |
312 | --version print assembler version number and exit\n")); | |
313 | fprintf (stream, _("\ | |
314 | -W --no-warn suppress warnings\n")); | |
315 | fprintf (stream, _("\ | |
316 | --warn don't suppress warnings\n")); | |
317 | fprintf (stream, _("\ | |
318 | --fatal-warnings treat warnings as errors\n")); | |
319 | fprintf (stream, _("\ | |
320 | --itbl INSTTBL extend instruction set to include instructions\n\ | |
321 | matching the specifications defined in file INSTTBL\n")); | |
322 | fprintf (stream, _("\ | |
323 | -w ignored\n")); | |
324 | fprintf (stream, _("\ | |
325 | -X ignored\n")); | |
326 | fprintf (stream, _("\ | |
327 | -Z generate object file even after errors\n")); | |
328 | fprintf (stream, _("\ | |
329 | --listing-lhs-width set the width in words of the output data column of\n\ | |
330 | the listing\n")); | |
331 | fprintf (stream, _("\ | |
332 | --listing-lhs-width2 set the width in words of the continuation lines\n\ | |
333 | of the output data column; ignored if smaller than\n\ | |
334 | the width of the first line\n")); | |
335 | fprintf (stream, _("\ | |
336 | --listing-rhs-width set the max width in characters of the lines from\n\ | |
337 | the source file\n")); | |
338 | fprintf (stream, _("\ | |
339 | --listing-cont-lines set the maximum number of continuation lines used\n\ | |
340 | for the output data column of the listing\n")); | |
341 | ||
342 | md_show_usage (stream); | |
343 | ||
c20f4f8c | 344 | fputc ('\n', stream); |
8ad3436c | 345 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
4c63da97 AM |
346 | } |
347 | ||
76b0a8c0 KH |
348 | /* Since it is easy to do here we interpret the special arg "-" |
349 | to mean "use stdin" and we set that argv[] pointing to "". | |
350 | After we have munged argv[], the only things left are source file | |
351 | name(s) and ""(s) denoting stdin. These file names are used | |
352 | (perhaps more than once) later. | |
353 | ||
354 | check for new machine-dep cmdline options in | |
355 | md_parse_option definitions in config/tc-*.c. */ | |
252b5132 RH |
356 | |
357 | static void | |
33948635 | 358 | parse_args (int * pargc, char *** pargv) |
252b5132 | 359 | { |
33948635 NC |
360 | int old_argc; |
361 | int new_argc; | |
362 | char ** old_argv; | |
363 | char ** new_argv; | |
252b5132 RH |
364 | /* Starting the short option string with '-' is for programs that |
365 | expect options and other ARGV-elements in any order and that care about | |
366 | the ordering of the two. We describe each non-option ARGV-element | |
367 | as if it were the argument of an option with character code 1. */ | |
252b5132 | 368 | char *shortopts; |
5a38dc70 | 369 | extern const char *md_shortopts; |
33948635 NC |
370 | static const char std_shortopts[] = |
371 | { | |
30a2b4ef | 372 | '-', 'J', |
252b5132 | 373 | #ifndef WORKING_DOT_WORD |
30a2b4ef KH |
374 | /* -K is not meaningful if .word is not being hacked. */ |
375 | 'K', | |
252b5132 | 376 | #endif |
c2059446 | 377 | 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'I', ':', 'o', ':', |
252b5132 | 378 | #ifndef VMS |
30a2b4ef KH |
379 | /* -v takes an argument on VMS, so we don't make it a generic |
380 | option. */ | |
381 | 'v', | |
252b5132 | 382 | #endif |
30a2b4ef | 383 | 'w', 'X', |
33948635 | 384 | /* New option for extending instruction set (see also --itbl below). */ |
30a2b4ef KH |
385 | 't', ':', |
386 | '\0' | |
387 | }; | |
252b5132 RH |
388 | struct option *longopts; |
389 | extern struct option md_longopts[]; | |
390 | extern size_t md_longopts_size; | |
33948635 NC |
391 | /* Codes used for the long options with no short synonyms. */ |
392 | enum option_values | |
393 | { | |
394 | OPTION_HELP = OPTION_STD_BASE, | |
395 | OPTION_NOCPP, | |
396 | OPTION_STATISTICS, | |
397 | OPTION_VERSION, | |
398 | OPTION_DUMPCONFIG, | |
399 | OPTION_VERBOSE, | |
400 | OPTION_EMULATION, | |
401 | OPTION_DEFSYM, | |
402 | OPTION_INSTTBL, | |
403 | OPTION_LISTING_LHS_WIDTH, | |
404 | OPTION_LISTING_LHS_WIDTH2, | |
405 | OPTION_LISTING_RHS_WIDTH, | |
406 | OPTION_LISTING_CONT_LINES, | |
407 | OPTION_DEPFILE, | |
408 | OPTION_GSTABS, | |
05da4302 | 409 | OPTION_GSTABS_PLUS, |
33948635 NC |
410 | OPTION_STRIP_LOCAL_ABSOLUTE, |
411 | OPTION_TRADITIONAL_FORMAT, | |
412 | OPTION_GDWARF2, | |
413 | OPTION_WARN, | |
414 | OPTION_TARGET_HELP, | |
415 | OPTION_EXECSTACK, | |
416 | OPTION_NOEXECSTACK, | |
417 | OPTION_WARN_FATAL | |
418 | }; | |
419 | ||
420 | static const struct option std_longopts[] = | |
421 | { | |
252b5132 | 422 | {"help", no_argument, NULL, OPTION_HELP}, |
9c3b31c6 NC |
423 | /* getopt allows abbreviations, so we do this to stop it from |
424 | treating -k as an abbreviation for --keep-locals. Some | |
425 | ports use -k to enable PIC assembly. */ | |
426 | {"keep-locals", no_argument, NULL, 'L'}, | |
252b5132 RH |
427 | {"keep-locals", no_argument, NULL, 'L'}, |
428 | {"mri", no_argument, NULL, 'M'}, | |
252b5132 | 429 | {"nocpp", no_argument, NULL, OPTION_NOCPP}, |
252b5132 | 430 | {"statistics", no_argument, NULL, OPTION_STATISTICS}, |
252b5132 | 431 | {"version", no_argument, NULL, OPTION_VERSION}, |
252b5132 | 432 | {"dump-config", no_argument, NULL, OPTION_DUMPCONFIG}, |
252b5132 | 433 | {"verbose", no_argument, NULL, OPTION_VERBOSE}, |
252b5132 | 434 | {"emulation", required_argument, NULL, OPTION_EMULATION}, |
252b5132 | 435 | {"defsym", required_argument, NULL, OPTION_DEFSYM}, |
252b5132 RH |
436 | /* New option for extending instruction set (see also -t above). |
437 | The "-t file" or "--itbl file" option extends the basic set of | |
438 | valid instructions by reading "file", a text file containing a | |
439 | list of instruction formats. The additional opcodes and their | |
440 | formats are added to the built-in set of instructions, and | |
441 | mnemonics for new registers may also be defined. */ | |
442 | {"itbl", required_argument, NULL, OPTION_INSTTBL}, | |
252b5132 | 443 | {"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH}, |
3c5cdb54 | 444 | {"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2}, |
252b5132 | 445 | {"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH}, |
252b5132 | 446 | {"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES}, |
252b5132 | 447 | {"MD", required_argument, NULL, OPTION_DEPFILE}, |
252b5132 | 448 | {"gstabs", no_argument, NULL, OPTION_GSTABS}, |
05da4302 | 449 | {"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS}, |
252b5132 | 450 | {"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE}, |
fac0d250 | 451 | {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}, |
2bdd6cf5 GK |
452 | {"gdwarf2", no_argument, NULL, OPTION_GDWARF2}, |
453 | {"no-warn", no_argument, NULL, 'W'}, | |
2bdd6cf5 | 454 | {"warn", no_argument, NULL, OPTION_WARN}, |
ea20a7da | 455 | {"target-help", no_argument, NULL, OPTION_TARGET_HELP}, |
68d55fe3 | 456 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
68d55fe3 | 457 | {"execstack", no_argument, NULL, OPTION_EXECSTACK}, |
68d55fe3 JJ |
458 | {"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK}, |
459 | #endif | |
2bdd6cf5 | 460 | {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL} |
d8374dcd HPN |
461 | /* When you add options here, check that they do not collide with |
462 | OPTION_MD_BASE. See as.h. */ | |
252b5132 RH |
463 | }; |
464 | ||
beb2de9b AC |
465 | /* Construct the option lists from the standard list and the target |
466 | dependent list. Include space for an extra NULL option and | |
76b0a8c0 | 467 | always NULL terminate. */ |
252b5132 | 468 | shortopts = concat (std_shortopts, md_shortopts, (char *) NULL); |
33948635 | 469 | longopts = xmalloc (sizeof (std_longopts) + md_longopts_size + sizeof (struct option)); |
252b5132 | 470 | memcpy (longopts, std_longopts, sizeof (std_longopts)); |
33948635 NC |
471 | memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size); |
472 | memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size, | |
beb2de9b | 473 | 0, sizeof (struct option)); |
252b5132 RH |
474 | |
475 | /* Make a local copy of the old argv. */ | |
476 | old_argc = *pargc; | |
477 | old_argv = *pargv; | |
478 | ||
479 | /* Initialize a new argv that contains no options. */ | |
33948635 | 480 | new_argv = xmalloc (sizeof (char *) * (old_argc + 1)); |
252b5132 RH |
481 | new_argv[0] = old_argv[0]; |
482 | new_argc = 1; | |
483 | new_argv[new_argc] = NULL; | |
484 | ||
485 | while (1) | |
486 | { | |
487 | /* getopt_long_only is like getopt_long, but '-' as well as '--' can | |
488 | indicate a long option. */ | |
489 | int longind; | |
490 | int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts, | |
491 | &longind); | |
492 | ||
493 | if (optc == -1) | |
494 | break; | |
495 | ||
496 | switch (optc) | |
497 | { | |
498 | default: | |
499 | /* md_parse_option should return 1 if it recognizes optc, | |
500 | 0 if not. */ | |
501 | if (md_parse_option (optc, optarg) != 0) | |
502 | break; | |
503 | /* `-v' isn't included in the general short_opts list, so check for | |
47eebc20 | 504 | it explicitly here before deciding we've gotten a bad argument. */ |
252b5132 RH |
505 | if (optc == 'v') |
506 | { | |
507 | #ifdef VMS | |
508 | /* Telling getopt to treat -v's value as optional can result | |
509 | in it picking up a following filename argument here. The | |
510 | VMS code in md_parse_option can return 0 in that case, | |
511 | but it has no way of pushing the filename argument back. */ | |
512 | if (optarg && *optarg) | |
30a2b4ef | 513 | new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; |
252b5132 RH |
514 | else |
515 | #else | |
516 | case 'v': | |
517 | #endif | |
518 | case OPTION_VERBOSE: | |
519 | print_version_id (); | |
54cfded0 | 520 | verbose = 1; |
252b5132 RH |
521 | break; |
522 | } | |
76b0a8c0 | 523 | /* Fall through. */ |
252b5132 RH |
524 | |
525 | case '?': | |
526 | exit (EXIT_FAILURE); | |
527 | ||
528 | case 1: /* File name. */ | |
529 | if (!strcmp (optarg, "-")) | |
530 | optarg = ""; | |
531 | new_argv[new_argc++] = optarg; | |
532 | new_argv[new_argc] = NULL; | |
533 | break; | |
ef99799a | 534 | |
ea20a7da | 535 | case OPTION_TARGET_HELP: |
411863a4 KH |
536 | md_show_usage (stdout); |
537 | exit (EXIT_SUCCESS); | |
252b5132 RH |
538 | |
539 | case OPTION_HELP: | |
540 | show_usage (stdout); | |
541 | exit (EXIT_SUCCESS); | |
542 | ||
543 | case OPTION_NOCPP: | |
544 | break; | |
545 | ||
546 | case OPTION_STATISTICS: | |
547 | flag_print_statistics = 1; | |
548 | break; | |
549 | ||
550 | case OPTION_STRIP_LOCAL_ABSOLUTE: | |
551 | flag_strip_local_absolute = 1; | |
552 | break; | |
553 | ||
554 | case OPTION_TRADITIONAL_FORMAT: | |
555 | flag_traditional_format = 1; | |
556 | break; | |
557 | ||
558 | case OPTION_VERSION: | |
559 | /* This output is intended to follow the GNU standards document. */ | |
edde18a5 | 560 | #ifdef BFD_ASSEMBLER |
6c19f338 | 561 | printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); |
edde18a5 AM |
562 | #else |
563 | printf (_("GNU assembler %s\n"), VERSION); | |
564 | #endif | |
2a538ba5 | 565 | printf (_("Copyright 2002 Free Software Foundation, Inc.\n")); |
252b5132 RH |
566 | printf (_("\ |
567 | This program is free software; you may redistribute it under the terms of\n\ | |
568 | the GNU General Public License. This program has absolutely no warranty.\n")); | |
569 | printf (_("This assembler was configured for a target of `%s'.\n"), | |
570 | TARGET_ALIAS); | |
571 | exit (EXIT_SUCCESS); | |
572 | ||
573 | case OPTION_EMULATION: | |
574 | #ifdef USE_EMULATIONS | |
575 | if (strcmp (optarg, this_emulation->name)) | |
576 | as_fatal (_("multiple emulation names specified")); | |
577 | #else | |
578 | as_fatal (_("emulations not handled in this configuration")); | |
579 | #endif | |
580 | break; | |
581 | ||
582 | case OPTION_DUMPCONFIG: | |
583 | fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS); | |
584 | fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL); | |
585 | fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU); | |
586 | #ifdef TARGET_OBJ_FORMAT | |
587 | fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT); | |
588 | #endif | |
589 | #ifdef TARGET_FORMAT | |
590 | fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT); | |
591 | #endif | |
592 | exit (EXIT_SUCCESS); | |
593 | ||
594 | case OPTION_DEFSYM: | |
595 | { | |
596 | char *s; | |
a38cf1db | 597 | valueT i; |
252b5132 RH |
598 | struct defsym_list *n; |
599 | ||
600 | for (s = optarg; *s != '\0' && *s != '='; s++) | |
601 | ; | |
602 | if (*s == '\0') | |
603 | as_fatal (_("bad defsym; format is --defsym name=value")); | |
604 | *s++ = '\0'; | |
a38cf1db AM |
605 | #ifdef BFD_ASSEMBLER |
606 | i = bfd_scan_vma (s, (const char **) NULL, 0); | |
607 | #else | |
252b5132 | 608 | i = strtol (s, (char **) NULL, 0); |
a38cf1db | 609 | #endif |
33948635 | 610 | n = xmalloc (sizeof *n); |
252b5132 RH |
611 | n->next = defsyms; |
612 | n->name = optarg; | |
613 | n->value = i; | |
614 | defsyms = n; | |
615 | } | |
616 | break; | |
617 | ||
618 | case OPTION_INSTTBL: | |
619 | case 't': | |
620 | { | |
76b0a8c0 KH |
621 | /* optarg is the name of the file containing the instruction |
622 | formats, opcodes, register names, etc. */ | |
252b5132 RH |
623 | struct itbl_file_list *n; |
624 | ||
625 | if (optarg == NULL) | |
626 | { | |
0e389e77 | 627 | as_warn (_("no file name following -t option")); |
252b5132 RH |
628 | break; |
629 | } | |
76b0a8c0 | 630 | |
33948635 | 631 | n = xmalloc (sizeof * n); |
252b5132 RH |
632 | n->next = itbl_files; |
633 | n->name = optarg; | |
634 | itbl_files = n; | |
635 | ||
636 | /* Parse the file and add the new instructions to our internal | |
76b0a8c0 KH |
637 | table. If multiple instruction tables are specified, the |
638 | information from this table gets appended onto the existing | |
639 | internal table. */ | |
252b5132 RH |
640 | itbl_files->name = xstrdup (optarg); |
641 | if (itbl_parse (itbl_files->name) != 0) | |
0e389e77 AM |
642 | as_fatal (_("failed to read instruction table %s\n"), |
643 | itbl_files->name); | |
252b5132 RH |
644 | } |
645 | break; | |
646 | ||
647 | case OPTION_DEPFILE: | |
648 | start_dependencies (optarg); | |
649 | break; | |
650 | ||
05da4302 NC |
651 | case OPTION_GSTABS_PLUS: |
652 | use_gnu_debug_info_extensions = 1; | |
653 | /* Fall through. */ | |
252b5132 RH |
654 | case OPTION_GSTABS: |
655 | debug_type = DEBUG_STABS; | |
656 | break; | |
76b0a8c0 | 657 | |
fac0d250 RH |
658 | case OPTION_GDWARF2: |
659 | debug_type = DEBUG_DWARF2; | |
660 | break; | |
661 | ||
252b5132 RH |
662 | case 'J': |
663 | flag_signed_overflow_ok = 1; | |
664 | break; | |
665 | ||
666 | #ifndef WORKING_DOT_WORD | |
667 | case 'K': | |
668 | flag_warn_displacement = 1; | |
669 | break; | |
670 | #endif | |
252b5132 RH |
671 | case 'L': |
672 | flag_keep_locals = 1; | |
673 | break; | |
674 | ||
675 | case OPTION_LISTING_LHS_WIDTH: | |
76b0a8c0 | 676 | listing_lhs_width = atoi (optarg); |
252b5132 RH |
677 | if (listing_lhs_width_second < listing_lhs_width) |
678 | listing_lhs_width_second = listing_lhs_width; | |
679 | break; | |
680 | case OPTION_LISTING_LHS_WIDTH2: | |
681 | { | |
76b0a8c0 | 682 | int tmp = atoi (optarg); |
252b5132 RH |
683 | if (tmp > listing_lhs_width) |
684 | listing_lhs_width_second = tmp; | |
685 | } | |
686 | break; | |
687 | case OPTION_LISTING_RHS_WIDTH: | |
76b0a8c0 | 688 | listing_rhs_width = atoi (optarg); |
252b5132 RH |
689 | break; |
690 | case OPTION_LISTING_CONT_LINES: | |
76b0a8c0 | 691 | listing_lhs_cont_lines = atoi (optarg); |
252b5132 RH |
692 | break; |
693 | ||
694 | case 'M': | |
695 | flag_mri = 1; | |
696 | #ifdef TC_M68K | |
697 | flag_m68k_mri = 1; | |
698 | #endif | |
699 | break; | |
700 | ||
701 | case 'R': | |
702 | flag_readonly_data_in_text = 1; | |
703 | break; | |
704 | ||
705 | case 'W': | |
706 | flag_no_warnings = 1; | |
707 | break; | |
708 | ||
2bdd6cf5 GK |
709 | case OPTION_WARN: |
710 | flag_no_warnings = 0; | |
711 | flag_fatal_warnings = 0; | |
712 | break; | |
713 | ||
714 | case OPTION_WARN_FATAL: | |
715 | flag_no_warnings = 0; | |
716 | flag_fatal_warnings = 1; | |
717 | break; | |
718 | ||
68d55fe3 JJ |
719 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
720 | case OPTION_EXECSTACK: | |
721 | flag_execstack = 1; | |
722 | flag_noexecstack = 0; | |
723 | break; | |
724 | ||
725 | case OPTION_NOEXECSTACK: | |
726 | flag_noexecstack = 1; | |
727 | flag_execstack = 0; | |
728 | break; | |
729 | #endif | |
252b5132 RH |
730 | case 'Z': |
731 | flag_always_generate_output = 1; | |
732 | break; | |
733 | ||
734 | case 'a': | |
735 | if (optarg) | |
736 | { | |
7f6d05e8 CP |
737 | if (md_parse_option (optc, optarg) != 0) |
738 | break; | |
739 | ||
252b5132 RH |
740 | while (*optarg) |
741 | { | |
742 | switch (*optarg) | |
743 | { | |
744 | case 'c': | |
745 | listing |= LISTING_NOCOND; | |
746 | break; | |
747 | case 'd': | |
748 | listing |= LISTING_NODEBUG; | |
749 | break; | |
750 | case 'h': | |
751 | listing |= LISTING_HLL; | |
752 | break; | |
753 | case 'l': | |
754 | listing |= LISTING_LISTING; | |
755 | break; | |
756 | case 'm': | |
757 | listing |= LISTING_MACEXP; | |
758 | break; | |
759 | case 'n': | |
760 | listing |= LISTING_NOFORM; | |
761 | break; | |
762 | case 's': | |
763 | listing |= LISTING_SYMBOLS; | |
764 | break; | |
765 | case '=': | |
766 | listing_filename = xstrdup (optarg + 1); | |
767 | optarg += strlen (listing_filename); | |
768 | break; | |
769 | default: | |
770 | as_fatal (_("invalid listing option `%c'"), *optarg); | |
771 | break; | |
772 | } | |
773 | optarg++; | |
774 | } | |
775 | } | |
776 | if (!listing) | |
777 | listing = LISTING_DEFAULT; | |
778 | break; | |
779 | ||
780 | case 'D': | |
76b0a8c0 KH |
781 | /* DEBUG is implemented: it debugs different |
782 | things from other people's assemblers. */ | |
252b5132 RH |
783 | flag_debug = 1; |
784 | break; | |
785 | ||
786 | case 'f': | |
787 | flag_no_comments = 1; | |
788 | break; | |
789 | ||
790 | case 'I': | |
76b0a8c0 | 791 | { /* Include file directory. */ |
252b5132 RH |
792 | char *temp = xstrdup (optarg); |
793 | add_include_dir (temp); | |
794 | break; | |
795 | } | |
796 | ||
797 | case 'o': | |
798 | out_file_name = xstrdup (optarg); | |
799 | break; | |
800 | ||
801 | case 'w': | |
802 | break; | |
803 | ||
804 | case 'X': | |
76b0a8c0 | 805 | /* -X means treat warnings as errors. */ |
252b5132 RH |
806 | break; |
807 | } | |
808 | } | |
809 | ||
810 | free (shortopts); | |
811 | free (longopts); | |
812 | ||
813 | *pargc = new_argc; | |
814 | *pargv = new_argv; | |
acebd4ce AS |
815 | |
816 | #ifdef md_after_parse_args | |
817 | md_after_parse_args (); | |
818 | #endif | |
252b5132 RH |
819 | } |
820 | ||
33948635 NC |
821 | static void |
822 | dump_statistics (void) | |
823 | { | |
824 | #ifdef HAVE_SBRK | |
825 | char *lim = (char *) sbrk (0); | |
826 | #endif | |
827 | long run_time = get_run_time () - start_time; | |
828 | ||
829 | fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"), | |
830 | myname, run_time / 1000000, run_time % 1000000); | |
831 | #ifdef HAVE_SBRK | |
832 | fprintf (stderr, _("%s: data size %ld\n"), | |
833 | myname, (long) (lim - (char *) &environ)); | |
834 | #endif | |
252b5132 | 835 | |
33948635 NC |
836 | subsegs_print_statistics (stderr); |
837 | write_print_statistics (stderr); | |
838 | symbol_print_statistics (stderr); | |
839 | read_print_statistics (stderr); | |
840 | ||
841 | #ifdef tc_print_statistics | |
842 | tc_print_statistics (stderr); | |
843 | #endif | |
844 | ||
845 | #ifdef obj_print_statistics | |
846 | obj_print_statistics (stderr); | |
847 | #endif | |
848 | } | |
849 | ||
850 | /* The interface between the macro code and gas expression handling. */ | |
851 | ||
852 | static int | |
853 | macro_expr (const char *emsg, int idx, sb *in, int *val) | |
854 | { | |
855 | char *hold; | |
856 | expressionS ex; | |
857 | ||
858 | sb_terminate (in); | |
859 | ||
860 | hold = input_line_pointer; | |
861 | input_line_pointer = in->ptr + idx; | |
862 | expression (&ex); | |
863 | idx = input_line_pointer - in->ptr; | |
864 | input_line_pointer = hold; | |
865 | ||
866 | if (ex.X_op != O_constant) | |
867 | as_bad ("%s", emsg); | |
868 | ||
869 | *val = (int) ex.X_add_number; | |
870 | ||
871 | return idx; | |
872 | } | |
873 | \f | |
874 | /* Here to attempt 1 pass over each input file. | |
875 | We scan argv[*] looking for filenames or exactly "" which is | |
876 | shorthand for stdin. Any argv that is NULL is not a file-name. | |
877 | We set need_pass_2 TRUE if, after this, we still have unresolved | |
878 | expressions of the form (unknown value)+-(unknown value). | |
879 | ||
880 | Note the un*x semantics: there is only 1 logical input file, but it | |
881 | may be a catenation of many 'physical' input files. */ | |
882 | ||
883 | static void | |
884 | perform_an_assembly_pass (int argc, char ** argv) | |
885 | { | |
886 | int saw_a_file = 0; | |
887 | #ifdef BFD_ASSEMBLER | |
888 | flagword applicable; | |
889 | #endif | |
890 | ||
891 | need_pass_2 = 0; | |
892 | ||
893 | #ifndef BFD_ASSEMBLER | |
894 | #ifdef MANY_SEGMENTS | |
895 | { | |
896 | unsigned int i; | |
897 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
898 | segment_info[i].fix_root = 0; | |
899 | } | |
900 | /* Create the three fixed ones. */ | |
901 | { | |
902 | segT seg; | |
903 | ||
904 | #ifdef TE_APOLLO | |
905 | seg = subseg_new (".wtext", 0); | |
906 | #else | |
907 | seg = subseg_new (".text", 0); | |
908 | #endif | |
909 | assert (seg == SEG_E0); | |
910 | seg = subseg_new (".data", 0); | |
911 | assert (seg == SEG_E1); | |
912 | seg = subseg_new (".bss", 0); | |
913 | assert (seg == SEG_E2); | |
914 | #ifdef TE_APOLLO | |
915 | create_target_segments (); | |
916 | #endif | |
917 | } | |
918 | ||
919 | #else /* not MANY_SEGMENTS. */ | |
920 | text_fix_root = NULL; | |
921 | data_fix_root = NULL; | |
922 | bss_fix_root = NULL; | |
923 | #endif /* not MANY_SEGMENTS. */ | |
924 | #else /* BFD_ASSEMBLER. */ | |
925 | /* Create the standard sections, and those the assembler uses | |
926 | internally. */ | |
927 | text_section = subseg_new (TEXT_SECTION_NAME, 0); | |
928 | data_section = subseg_new (DATA_SECTION_NAME, 0); | |
929 | bss_section = subseg_new (BSS_SECTION_NAME, 0); | |
930 | /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed | |
931 | to have relocs, otherwise we don't find out in time. */ | |
932 | applicable = bfd_applicable_section_flags (stdoutput); | |
933 | bfd_set_section_flags (stdoutput, text_section, | |
934 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
935 | | SEC_CODE | SEC_READONLY)); | |
936 | bfd_set_section_flags (stdoutput, data_section, | |
937 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
938 | | SEC_DATA)); | |
939 | bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC); | |
940 | seg_info (bss_section)->bss = 1; | |
941 | subseg_new (BFD_ABS_SECTION_NAME, 0); | |
942 | subseg_new (BFD_UND_SECTION_NAME, 0); | |
943 | reg_section = subseg_new ("*GAS `reg' section*", 0); | |
944 | expr_section = subseg_new ("*GAS `expr' section*", 0); | |
945 | ||
946 | #endif /* BFD_ASSEMBLER. */ | |
947 | ||
948 | subseg_set (text_section, 0); | |
949 | ||
950 | /* This may add symbol table entries, which requires having an open BFD, | |
951 | and sections already created, in BFD_ASSEMBLER mode. */ | |
952 | md_begin (); | |
953 | ||
954 | #ifdef USING_CGEN | |
955 | gas_cgen_begin (); | |
956 | #endif | |
957 | #ifdef obj_begin | |
958 | obj_begin (); | |
959 | #endif | |
960 | ||
961 | /* Skip argv[0]. */ | |
962 | argv++; | |
963 | argc--; | |
964 | ||
965 | while (argc--) | |
966 | { | |
967 | if (*argv) | |
968 | { /* Is it a file-name argument? */ | |
969 | PROGRESS (1); | |
970 | saw_a_file++; | |
971 | /* argv->"" if stdin desired, else->filename. */ | |
972 | read_a_source_file (*argv); | |
973 | } | |
974 | argv++; /* Completed that argv. */ | |
975 | } | |
976 | if (!saw_a_file) | |
977 | read_a_source_file (""); | |
978 | } | |
979 | \f | |
a80076a1 | 980 | |
76b0a8c0 | 981 | int |
33948635 | 982 | main (int argc, char ** argv) |
252b5132 RH |
983 | { |
984 | int macro_alternate; | |
985 | int macro_strip_at; | |
986 | int keep_it; | |
987 | ||
988 | start_time = get_run_time (); | |
989 | ||
990 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
991 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
992 | #endif |
993 | #if defined (HAVE_SETLOCALE) | |
994 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
995 | #endif |
996 | bindtextdomain (PACKAGE, LOCALEDIR); | |
997 | textdomain (PACKAGE); | |
998 | ||
999 | if (debug_memory) | |
091e58c1 | 1000 | chunksize = 64; |
252b5132 RH |
1001 | |
1002 | #ifdef HOST_SPECIAL_INIT | |
1003 | HOST_SPECIAL_INIT (argc, argv); | |
1004 | #endif | |
1005 | ||
1006 | myname = argv[0]; | |
1007 | xmalloc_set_program_name (myname); | |
1008 | ||
1009 | START_PROGRESS (myname, 0); | |
1010 | ||
1011 | #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME | |
1012 | #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out" | |
1013 | #endif | |
1014 | ||
1015 | out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; | |
1016 | ||
1017 | hex_init (); | |
1018 | #ifdef BFD_ASSEMBLER | |
1019 | bfd_init (); | |
1020 | bfd_set_error_program_name (myname); | |
1021 | #endif | |
1022 | ||
1023 | #ifdef USE_EMULATIONS | |
1024 | select_emulation_mode (argc, argv); | |
1025 | #endif | |
1026 | ||
1027 | PROGRESS (1); | |
1028 | symbol_begin (); | |
1029 | frag_init (); | |
1030 | subsegs_begin (); | |
76b0a8c0 | 1031 | parse_args (&argc, &argv); |
252b5132 RH |
1032 | read_begin (); |
1033 | input_scrub_begin (); | |
1034 | expr_begin (); | |
1035 | ||
1036 | if (flag_print_statistics) | |
1037 | xatexit (dump_statistics); | |
1038 | ||
1039 | macro_alternate = 0; | |
1040 | macro_strip_at = 0; | |
1041 | #ifdef TC_I960 | |
1042 | macro_strip_at = flag_mri; | |
1043 | #endif | |
1044 | #ifdef TC_A29K | |
1045 | /* For compatibility with the AMD 29K family macro assembler | |
1046 | specification. */ | |
1047 | macro_alternate = 1; | |
1048 | macro_strip_at = 1; | |
1049 | #endif | |
1050 | ||
1051 | macro_init (macro_alternate, flag_mri, macro_strip_at, macro_expr); | |
1052 | ||
1053 | PROGRESS (1); | |
1054 | ||
1055 | #ifdef BFD_ASSEMBLER | |
1056 | output_file_create (out_file_name); | |
1057 | assert (stdoutput != 0); | |
1058 | #endif | |
1059 | ||
1060 | #ifdef tc_init_after_args | |
1061 | tc_init_after_args (); | |
1062 | #endif | |
1063 | ||
1064 | itbl_init (); | |
1065 | ||
1066 | /* Now that we have fully initialized, and have created the output | |
1067 | file, define any symbols requested by --defsym command line | |
1068 | arguments. */ | |
1069 | while (defsyms != NULL) | |
1070 | { | |
1071 | symbolS *sym; | |
1072 | struct defsym_list *next; | |
1073 | ||
1074 | sym = symbol_new (defsyms->name, absolute_section, defsyms->value, | |
1075 | &zero_address_frag); | |
1076 | symbol_table_insert (sym); | |
1077 | next = defsyms->next; | |
1078 | free (defsyms); | |
1079 | defsyms = next; | |
1080 | } | |
1081 | ||
1082 | PROGRESS (1); | |
1083 | ||
76b0a8c0 KH |
1084 | /* Assemble it. */ |
1085 | perform_an_assembly_pass (argc, argv); | |
252b5132 RH |
1086 | |
1087 | cond_finish_check (-1); | |
1088 | ||
1089 | #ifdef md_end | |
1090 | md_end (); | |
1091 | #endif | |
1092 | ||
68d55fe3 JJ |
1093 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
1094 | if ((flag_execstack || flag_noexecstack) | |
1095 | && OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
1096 | { | |
1097 | segT gnustack; | |
1098 | ||
1099 | gnustack = subseg_new (".note.GNU-stack", 0); | |
1100 | bfd_set_section_flags (stdoutput, gnustack, | |
1101 | SEC_READONLY | (flag_execstack ? SEC_CODE : 0)); | |
1102 | ||
1103 | } | |
1104 | #endif | |
1105 | ||
43ad3147 | 1106 | /* If we've been collecting dwarf2 .debug_line info, either for |
39bb5fe6 RH |
1107 | assembly debugging or on behalf of the compiler, emit it now. */ |
1108 | dwarf2_finish (); | |
1109 | ||
a4447b93 RH |
1110 | /* If we constructed dwarf2 .eh_frame info, either via .cfi |
1111 | directives from the user or by the backend, emit it now. */ | |
54cfded0 | 1112 | cfi_finish (); |
54cfded0 | 1113 | |
252b5132 RH |
1114 | if (seen_at_least_1_file () |
1115 | && (flag_always_generate_output || had_errors () == 0)) | |
1116 | keep_it = 1; | |
1117 | else | |
1118 | keep_it = 0; | |
1119 | ||
1120 | #if defined (BFD_ASSEMBLER) || !defined (BFD) | |
1121 | /* This used to be done at the start of write_object_file in | |
1122 | write.c, but that caused problems when doing listings when | |
1123 | keep_it was zero. This could probably be moved above md_end, but | |
1124 | I didn't want to risk the change. */ | |
1125 | subsegs_finish (); | |
1126 | #endif | |
1127 | ||
1128 | if (keep_it) | |
1129 | write_object_file (); | |
1130 | ||
1131 | #ifndef NO_LISTING | |
1132 | listing_print (listing_filename); | |
1133 | #endif | |
1134 | ||
33948635 | 1135 | #ifndef OBJ_VMS /* Does its own file handling. */ |
252b5132 RH |
1136 | #ifndef BFD_ASSEMBLER |
1137 | if (keep_it) | |
1138 | #endif | |
1139 | output_file_close (out_file_name); | |
1140 | #endif | |
1141 | ||
76b0a8c0 KH |
1142 | if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0) |
1143 | as_bad (_("%d warnings, treating warnings as errors"), had_warnings ()); | |
2bdd6cf5 | 1144 | |
252b5132 RH |
1145 | if (had_errors () > 0 && ! flag_always_generate_output) |
1146 | keep_it = 0; | |
1147 | ||
1148 | if (!keep_it) | |
1149 | unlink (out_file_name); | |
1150 | ||
1151 | input_scrub_end (); | |
1152 | ||
1153 | END_PROGRESS (myname); | |
1154 | ||
1155 | /* Use xexit instead of return, because under VMS environments they | |
1156 | may not place the same interpretation on the value given. */ | |
1157 | if (had_errors () > 0) | |
1158 | xexit (EXIT_FAILURE); | |
1159 | ||
1160 | /* Only generate dependency file if assembler was successful. */ | |
1161 | print_dependencies (); | |
1162 | ||
1163 | xexit (EXIT_SUCCESS); | |
1164 | } | |
1165 |