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; |
252b5132 RH |
90 | |
91 | /* Maximum level of macro nesting. */ | |
252b5132 RH |
92 | int max_macro_nest = 100; |
93 | ||
76b0a8c0 | 94 | /* argv[0] */ |
33948635 | 95 | char * myname; |
252b5132 RH |
96 | |
97 | /* The default obstack chunk size. If we set this to zero, the | |
98 | obstack code will use whatever will fit in a 4096 byte block. */ | |
99 | int chunksize = 0; | |
100 | ||
101 | /* To monitor memory allocation more effectively, make this non-zero. | |
102 | Then the chunk sizes for gas and bfd will be reduced. */ | |
103 | int debug_memory = 0; | |
104 | ||
54cfded0 AM |
105 | /* Enable verbose mode. */ |
106 | int verbose = 0; | |
107 | ||
33948635 NC |
108 | #ifdef BFD_ASSEMBLER |
109 | segT reg_section; | |
110 | segT expr_section; | |
111 | segT text_section; | |
112 | segT data_section; | |
113 | segT bss_section; | |
114 | #endif | |
252b5132 | 115 | |
33948635 NC |
116 | /* Name of listing file. */ |
117 | static char *listing_filename = NULL; | |
252b5132 RH |
118 | |
119 | static struct defsym_list *defsyms; | |
120 | ||
33948635 | 121 | static struct itbl_file_list *itbl_files; |
252b5132 | 122 | |
33948635 | 123 | static long start_time; |
252b5132 | 124 | |
252b5132 | 125 | \f |
252b5132 RH |
126 | #ifdef USE_EMULATIONS |
127 | #define EMULATION_ENVIRON "AS_EMULATION" | |
128 | ||
129 | extern struct emulation mipsbelf, mipslelf, mipself; | |
130 | extern struct emulation mipsbecoff, mipslecoff, mipsecoff; | |
4c63da97 | 131 | extern struct emulation i386coff, i386elf, i386aout; |
3bcbcc3d | 132 | extern struct emulation crisaout, criself; |
252b5132 RH |
133 | |
134 | static struct emulation *const emulations[] = { EMULATIONS }; | |
135 | static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); | |
136 | ||
252b5132 | 137 | static void |
33948635 | 138 | select_emulation_mode (int argc, char **argv) |
252b5132 RH |
139 | { |
140 | int i; | |
141 | char *p, *em = 0; | |
142 | ||
143 | for (i = 1; i < argc; i++) | |
144 | if (!strncmp ("--em", argv[i], 4)) | |
145 | break; | |
146 | ||
147 | if (i == argc) | |
148 | goto do_default; | |
149 | ||
150 | p = strchr (argv[i], '='); | |
151 | if (p) | |
152 | p++; | |
153 | else | |
76b0a8c0 | 154 | p = argv[i + 1]; |
252b5132 RH |
155 | |
156 | if (!p || !*p) | |
157 | as_fatal (_("missing emulation mode name")); | |
158 | em = p; | |
159 | ||
160 | do_default: | |
161 | if (em == 0) | |
162 | em = getenv (EMULATION_ENVIRON); | |
163 | if (em == 0) | |
164 | em = DEFAULT_EMULATION; | |
165 | ||
166 | if (em) | |
167 | { | |
168 | for (i = 0; i < n_emulations; i++) | |
169 | if (!strcmp (emulations[i]->name, em)) | |
170 | break; | |
171 | if (i == n_emulations) | |
172 | as_fatal (_("unrecognized emulation name `%s'"), em); | |
173 | this_emulation = emulations[i]; | |
174 | } | |
175 | else | |
176 | this_emulation = emulations[0]; | |
177 | ||
178 | this_emulation->init (); | |
179 | } | |
180 | ||
181 | const char * | |
33948635 | 182 | default_emul_bfd_name (void) |
252b5132 RH |
183 | { |
184 | abort (); | |
185 | return NULL; | |
186 | } | |
187 | ||
188 | void | |
33948635 | 189 | common_emul_init (void) |
252b5132 RH |
190 | { |
191 | this_format = this_emulation->format; | |
192 | ||
193 | if (this_emulation->leading_underscore == 2) | |
194 | this_emulation->leading_underscore = this_format->dfl_leading_underscore; | |
195 | ||
196 | if (this_emulation->default_endian != 2) | |
197 | target_big_endian = this_emulation->default_endian; | |
198 | ||
199 | if (this_emulation->fake_label_name == 0) | |
200 | { | |
201 | if (this_emulation->leading_underscore) | |
202 | this_emulation->fake_label_name = "L0\001"; | |
203 | else | |
204 | /* What other parameters should we test? */ | |
205 | this_emulation->fake_label_name = ".L0\001"; | |
206 | } | |
207 | } | |
208 | #endif | |
209 | ||
4c63da97 | 210 | void |
33948635 | 211 | print_version_id (void) |
4c63da97 AM |
212 | { |
213 | static int printed; | |
33948635 | 214 | |
4c63da97 AM |
215 | if (printed) |
216 | return; | |
217 | printed = 1; | |
218 | ||
219 | #ifdef BFD_ASSEMBLER | |
220 | fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s"), | |
403487ec | 221 | VERSION, TARGET_ALIAS, BFD_VERSION_STRING); |
4c63da97 AM |
222 | #else |
223 | fprintf (stderr, _("GNU assembler version %s (%s)"), VERSION, TARGET_ALIAS); | |
224 | #endif | |
225 | fprintf (stderr, "\n"); | |
226 | } | |
227 | ||
228 | static void | |
33948635 | 229 | show_usage (FILE * stream) |
4c63da97 AM |
230 | { |
231 | fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname); | |
232 | ||
233 | fprintf (stream, _("\ | |
234 | Options:\n\ | |
235 | -a[sub-option...] turn on listings\n\ | |
236 | Sub-options [default hls]:\n\ | |
237 | c omit false conditionals\n\ | |
238 | d omit debugging directives\n\ | |
239 | h include high-level source\n\ | |
240 | l include assembly\n\ | |
241 | m include macro expansions\n\ | |
242 | n omit forms processing\n\ | |
243 | s include symbols\n\ | |
4c63da97 AM |
244 | =FILE list to FILE (must be last sub-option)\n")); |
245 | ||
246 | fprintf (stream, _("\ | |
247 | -D produce assembler debugging messages\n")); | |
248 | fprintf (stream, _("\ | |
249 | --defsym SYM=VAL define symbol SYM to given value\n")); | |
250 | #ifdef USE_EMULATIONS | |
251 | { | |
252 | int i; | |
253 | char *def_em; | |
254 | ||
255 | fprintf (stream, "\ | |
256 | --em=["); | |
76b0a8c0 | 257 | for (i = 0; i < n_emulations - 1; i++) |
4c63da97 AM |
258 | fprintf (stream, "%s | ", emulations[i]->name); |
259 | fprintf (stream, "%s]\n", emulations[i]->name); | |
260 | ||
261 | def_em = getenv (EMULATION_ENVIRON); | |
76b0a8c0 | 262 | if (!def_em) |
4c63da97 AM |
263 | def_em = DEFAULT_EMULATION; |
264 | fprintf (stream, _("\ | |
265 | emulate output (default %s)\n"), def_em); | |
266 | } | |
68d55fe3 JJ |
267 | #endif |
268 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) | |
269 | fprintf (stream, _("\ | |
270 | --execstack require executable stack for this object\n")); | |
271 | fprintf (stream, _("\ | |
272 | --noexecstack don't require executable stack for this object\n")); | |
4c63da97 AM |
273 | #endif |
274 | fprintf (stream, _("\ | |
275 | -f skip whitespace and comment preprocessing\n")); | |
276 | fprintf (stream, _("\ | |
277 | --gstabs generate stabs debugging information\n")); | |
278 | fprintf (stream, _("\ | |
279 | --gdwarf2 generate DWARF2 debugging information\n")); | |
280 | fprintf (stream, _("\ | |
281 | --help show this message and exit\n")); | |
282 | fprintf (stream, _("\ | |
ea20a7da CC |
283 | --target-help show target specific options\n")); |
284 | fprintf (stream, _("\ | |
4c63da97 AM |
285 | -I DIR add DIR to search list for .include directives\n")); |
286 | fprintf (stream, _("\ | |
287 | -J don't warn about signed overflow\n")); | |
288 | fprintf (stream, _("\ | |
289 | -K warn when differences altered for long displacements\n")); | |
290 | fprintf (stream, _("\ | |
291 | -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); | |
292 | fprintf (stream, _("\ | |
293 | -M,--mri assemble in MRI compatibility mode\n")); | |
294 | fprintf (stream, _("\ | |
295 | --MD FILE write dependency information in FILE (default none)\n")); | |
296 | fprintf (stream, _("\ | |
297 | -nocpp ignored\n")); | |
298 | fprintf (stream, _("\ | |
299 | -o OBJFILE name the object-file output OBJFILE (default a.out)\n")); | |
300 | fprintf (stream, _("\ | |
301 | -R fold data section into text section\n")); | |
302 | fprintf (stream, _("\ | |
303 | --statistics print various measured statistics from execution\n")); | |
304 | fprintf (stream, _("\ | |
305 | --strip-local-absolute strip local absolute symbols\n")); | |
306 | fprintf (stream, _("\ | |
307 | --traditional-format Use same format as native assembler when possible\n")); | |
308 | fprintf (stream, _("\ | |
309 | --version print assembler version number and exit\n")); | |
310 | fprintf (stream, _("\ | |
311 | -W --no-warn suppress warnings\n")); | |
312 | fprintf (stream, _("\ | |
313 | --warn don't suppress warnings\n")); | |
314 | fprintf (stream, _("\ | |
315 | --fatal-warnings treat warnings as errors\n")); | |
316 | fprintf (stream, _("\ | |
317 | --itbl INSTTBL extend instruction set to include instructions\n\ | |
318 | matching the specifications defined in file INSTTBL\n")); | |
319 | fprintf (stream, _("\ | |
320 | -w ignored\n")); | |
321 | fprintf (stream, _("\ | |
322 | -X ignored\n")); | |
323 | fprintf (stream, _("\ | |
324 | -Z generate object file even after errors\n")); | |
325 | fprintf (stream, _("\ | |
326 | --listing-lhs-width set the width in words of the output data column of\n\ | |
327 | the listing\n")); | |
328 | fprintf (stream, _("\ | |
329 | --listing-lhs-width2 set the width in words of the continuation lines\n\ | |
330 | of the output data column; ignored if smaller than\n\ | |
331 | the width of the first line\n")); | |
332 | fprintf (stream, _("\ | |
333 | --listing-rhs-width set the max width in characters of the lines from\n\ | |
334 | the source file\n")); | |
335 | fprintf (stream, _("\ | |
336 | --listing-cont-lines set the maximum number of continuation lines used\n\ | |
337 | for the output data column of the listing\n")); | |
338 | ||
339 | md_show_usage (stream); | |
340 | ||
c20f4f8c | 341 | fputc ('\n', stream); |
8ad3436c | 342 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
4c63da97 AM |
343 | } |
344 | ||
76b0a8c0 KH |
345 | /* Since it is easy to do here we interpret the special arg "-" |
346 | to mean "use stdin" and we set that argv[] pointing to "". | |
347 | After we have munged argv[], the only things left are source file | |
348 | name(s) and ""(s) denoting stdin. These file names are used | |
349 | (perhaps more than once) later. | |
350 | ||
351 | check for new machine-dep cmdline options in | |
352 | md_parse_option definitions in config/tc-*.c. */ | |
252b5132 RH |
353 | |
354 | static void | |
33948635 | 355 | parse_args (int * pargc, char *** pargv) |
252b5132 | 356 | { |
33948635 NC |
357 | int old_argc; |
358 | int new_argc; | |
359 | char ** old_argv; | |
360 | char ** new_argv; | |
252b5132 RH |
361 | /* Starting the short option string with '-' is for programs that |
362 | expect options and other ARGV-elements in any order and that care about | |
363 | the ordering of the two. We describe each non-option ARGV-element | |
364 | as if it were the argument of an option with character code 1. */ | |
252b5132 | 365 | char *shortopts; |
5a38dc70 | 366 | extern const char *md_shortopts; |
33948635 NC |
367 | static const char std_shortopts[] = |
368 | { | |
30a2b4ef | 369 | '-', 'J', |
252b5132 | 370 | #ifndef WORKING_DOT_WORD |
30a2b4ef KH |
371 | /* -K is not meaningful if .word is not being hacked. */ |
372 | 'K', | |
252b5132 | 373 | #endif |
d3fb7ca2 | 374 | 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'I', ':', 'o', ':', |
252b5132 | 375 | #ifndef VMS |
30a2b4ef KH |
376 | /* -v takes an argument on VMS, so we don't make it a generic |
377 | option. */ | |
378 | 'v', | |
252b5132 | 379 | #endif |
30a2b4ef | 380 | 'w', 'X', |
33948635 | 381 | /* New option for extending instruction set (see also --itbl below). */ |
30a2b4ef KH |
382 | 't', ':', |
383 | '\0' | |
384 | }; | |
252b5132 RH |
385 | struct option *longopts; |
386 | extern struct option md_longopts[]; | |
387 | extern size_t md_longopts_size; | |
33948635 NC |
388 | /* Codes used for the long options with no short synonyms. */ |
389 | enum option_values | |
390 | { | |
391 | OPTION_HELP = OPTION_STD_BASE, | |
392 | OPTION_NOCPP, | |
393 | OPTION_STATISTICS, | |
394 | OPTION_VERSION, | |
395 | OPTION_DUMPCONFIG, | |
396 | OPTION_VERBOSE, | |
397 | OPTION_EMULATION, | |
398 | OPTION_DEFSYM, | |
399 | OPTION_INSTTBL, | |
400 | OPTION_LISTING_LHS_WIDTH, | |
401 | OPTION_LISTING_LHS_WIDTH2, | |
402 | OPTION_LISTING_RHS_WIDTH, | |
403 | OPTION_LISTING_CONT_LINES, | |
404 | OPTION_DEPFILE, | |
405 | OPTION_GSTABS, | |
406 | OPTION_STRIP_LOCAL_ABSOLUTE, | |
407 | OPTION_TRADITIONAL_FORMAT, | |
408 | OPTION_GDWARF2, | |
409 | OPTION_WARN, | |
410 | OPTION_TARGET_HELP, | |
411 | OPTION_EXECSTACK, | |
412 | OPTION_NOEXECSTACK, | |
413 | OPTION_WARN_FATAL | |
414 | }; | |
415 | ||
416 | static const struct option std_longopts[] = | |
417 | { | |
252b5132 | 418 | {"help", no_argument, NULL, OPTION_HELP}, |
9c3b31c6 NC |
419 | /* getopt allows abbreviations, so we do this to stop it from |
420 | treating -k as an abbreviation for --keep-locals. Some | |
421 | ports use -k to enable PIC assembly. */ | |
422 | {"keep-locals", no_argument, NULL, 'L'}, | |
252b5132 RH |
423 | {"keep-locals", no_argument, NULL, 'L'}, |
424 | {"mri", no_argument, NULL, 'M'}, | |
252b5132 | 425 | {"nocpp", no_argument, NULL, OPTION_NOCPP}, |
252b5132 | 426 | {"statistics", no_argument, NULL, OPTION_STATISTICS}, |
252b5132 | 427 | {"version", no_argument, NULL, OPTION_VERSION}, |
252b5132 | 428 | {"dump-config", no_argument, NULL, OPTION_DUMPCONFIG}, |
252b5132 | 429 | {"verbose", no_argument, NULL, OPTION_VERBOSE}, |
252b5132 | 430 | {"emulation", required_argument, NULL, OPTION_EMULATION}, |
252b5132 | 431 | {"defsym", required_argument, NULL, OPTION_DEFSYM}, |
252b5132 RH |
432 | /* New option for extending instruction set (see also -t above). |
433 | The "-t file" or "--itbl file" option extends the basic set of | |
434 | valid instructions by reading "file", a text file containing a | |
435 | list of instruction formats. The additional opcodes and their | |
436 | formats are added to the built-in set of instructions, and | |
437 | mnemonics for new registers may also be defined. */ | |
438 | {"itbl", required_argument, NULL, OPTION_INSTTBL}, | |
252b5132 | 439 | {"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH}, |
3c5cdb54 | 440 | {"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2}, |
252b5132 | 441 | {"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH}, |
252b5132 | 442 | {"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES}, |
252b5132 | 443 | {"MD", required_argument, NULL, OPTION_DEPFILE}, |
252b5132 | 444 | {"gstabs", no_argument, NULL, OPTION_GSTABS}, |
252b5132 | 445 | {"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE}, |
fac0d250 | 446 | {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}, |
2bdd6cf5 GK |
447 | {"gdwarf2", no_argument, NULL, OPTION_GDWARF2}, |
448 | {"no-warn", no_argument, NULL, 'W'}, | |
2bdd6cf5 | 449 | {"warn", no_argument, NULL, OPTION_WARN}, |
ea20a7da | 450 | {"target-help", no_argument, NULL, OPTION_TARGET_HELP}, |
68d55fe3 | 451 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
68d55fe3 | 452 | {"execstack", no_argument, NULL, OPTION_EXECSTACK}, |
68d55fe3 JJ |
453 | {"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK}, |
454 | #endif | |
d3fb7ca2 NC |
455 | /* Treat '-f' as a long switch so that getopt will not accept |
456 | -f<some-text> as a synonym for -f. This can cause confusion | |
457 | when -f switches are passed through from the compiler. | |
458 | FIXME - should we handle other single character switches in the | |
459 | same way ? */ | |
460 | {"f", no_argument, NULL, 'f'}, | |
33948635 | 461 | {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}, |
2bdd6cf5 | 462 | {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL} |
d8374dcd HPN |
463 | /* When you add options here, check that they do not collide with |
464 | OPTION_MD_BASE. See as.h. */ | |
252b5132 RH |
465 | }; |
466 | ||
beb2de9b AC |
467 | /* Construct the option lists from the standard list and the target |
468 | dependent list. Include space for an extra NULL option and | |
76b0a8c0 | 469 | always NULL terminate. */ |
252b5132 | 470 | shortopts = concat (std_shortopts, md_shortopts, (char *) NULL); |
33948635 | 471 | longopts = xmalloc (sizeof (std_longopts) + md_longopts_size + sizeof (struct option)); |
252b5132 | 472 | memcpy (longopts, std_longopts, sizeof (std_longopts)); |
33948635 NC |
473 | memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size); |
474 | memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size, | |
beb2de9b | 475 | 0, sizeof (struct option)); |
252b5132 RH |
476 | |
477 | /* Make a local copy of the old argv. */ | |
478 | old_argc = *pargc; | |
479 | old_argv = *pargv; | |
480 | ||
481 | /* Initialize a new argv that contains no options. */ | |
33948635 | 482 | new_argv = xmalloc (sizeof (char *) * (old_argc + 1)); |
252b5132 RH |
483 | new_argv[0] = old_argv[0]; |
484 | new_argc = 1; | |
485 | new_argv[new_argc] = NULL; | |
486 | ||
487 | while (1) | |
488 | { | |
489 | /* getopt_long_only is like getopt_long, but '-' as well as '--' can | |
490 | indicate a long option. */ | |
491 | int longind; | |
492 | int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts, | |
493 | &longind); | |
494 | ||
495 | if (optc == -1) | |
496 | break; | |
497 | ||
498 | switch (optc) | |
499 | { | |
500 | default: | |
501 | /* md_parse_option should return 1 if it recognizes optc, | |
502 | 0 if not. */ | |
503 | if (md_parse_option (optc, optarg) != 0) | |
504 | break; | |
505 | /* `-v' isn't included in the general short_opts list, so check for | |
506 | it explicity here before deciding we've gotten a bad argument. */ | |
507 | if (optc == 'v') | |
508 | { | |
509 | #ifdef VMS | |
510 | /* Telling getopt to treat -v's value as optional can result | |
511 | in it picking up a following filename argument here. The | |
512 | VMS code in md_parse_option can return 0 in that case, | |
513 | but it has no way of pushing the filename argument back. */ | |
514 | if (optarg && *optarg) | |
30a2b4ef | 515 | new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; |
252b5132 RH |
516 | else |
517 | #else | |
518 | case 'v': | |
519 | #endif | |
520 | case OPTION_VERBOSE: | |
521 | print_version_id (); | |
54cfded0 | 522 | verbose = 1; |
252b5132 RH |
523 | break; |
524 | } | |
76b0a8c0 | 525 | /* Fall through. */ |
252b5132 RH |
526 | |
527 | case '?': | |
528 | exit (EXIT_FAILURE); | |
529 | ||
530 | case 1: /* File name. */ | |
531 | if (!strcmp (optarg, "-")) | |
532 | optarg = ""; | |
533 | new_argv[new_argc++] = optarg; | |
534 | new_argv[new_argc] = NULL; | |
535 | break; | |
ef99799a | 536 | |
ea20a7da | 537 | case OPTION_TARGET_HELP: |
411863a4 KH |
538 | md_show_usage (stdout); |
539 | exit (EXIT_SUCCESS); | |
252b5132 RH |
540 | |
541 | case OPTION_HELP: | |
542 | show_usage (stdout); | |
543 | exit (EXIT_SUCCESS); | |
544 | ||
545 | case OPTION_NOCPP: | |
546 | break; | |
547 | ||
548 | case OPTION_STATISTICS: | |
549 | flag_print_statistics = 1; | |
550 | break; | |
551 | ||
552 | case OPTION_STRIP_LOCAL_ABSOLUTE: | |
553 | flag_strip_local_absolute = 1; | |
554 | break; | |
555 | ||
556 | case OPTION_TRADITIONAL_FORMAT: | |
557 | flag_traditional_format = 1; | |
558 | break; | |
559 | ||
560 | case OPTION_VERSION: | |
561 | /* This output is intended to follow the GNU standards document. */ | |
edde18a5 | 562 | #ifdef BFD_ASSEMBLER |
6c19f338 | 563 | printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); |
edde18a5 AM |
564 | #else |
565 | printf (_("GNU assembler %s\n"), VERSION); | |
566 | #endif | |
2a538ba5 | 567 | printf (_("Copyright 2002 Free Software Foundation, Inc.\n")); |
252b5132 RH |
568 | printf (_("\ |
569 | This program is free software; you may redistribute it under the terms of\n\ | |
570 | the GNU General Public License. This program has absolutely no warranty.\n")); | |
571 | printf (_("This assembler was configured for a target of `%s'.\n"), | |
572 | TARGET_ALIAS); | |
573 | exit (EXIT_SUCCESS); | |
574 | ||
575 | case OPTION_EMULATION: | |
576 | #ifdef USE_EMULATIONS | |
577 | if (strcmp (optarg, this_emulation->name)) | |
578 | as_fatal (_("multiple emulation names specified")); | |
579 | #else | |
580 | as_fatal (_("emulations not handled in this configuration")); | |
581 | #endif | |
582 | break; | |
583 | ||
584 | case OPTION_DUMPCONFIG: | |
585 | fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS); | |
586 | fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL); | |
587 | fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU); | |
588 | #ifdef TARGET_OBJ_FORMAT | |
589 | fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT); | |
590 | #endif | |
591 | #ifdef TARGET_FORMAT | |
592 | fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT); | |
593 | #endif | |
594 | exit (EXIT_SUCCESS); | |
595 | ||
596 | case OPTION_DEFSYM: | |
597 | { | |
598 | char *s; | |
a38cf1db | 599 | valueT i; |
252b5132 RH |
600 | struct defsym_list *n; |
601 | ||
602 | for (s = optarg; *s != '\0' && *s != '='; s++) | |
603 | ; | |
604 | if (*s == '\0') | |
605 | as_fatal (_("bad defsym; format is --defsym name=value")); | |
606 | *s++ = '\0'; | |
a38cf1db AM |
607 | #ifdef BFD_ASSEMBLER |
608 | i = bfd_scan_vma (s, (const char **) NULL, 0); | |
609 | #else | |
252b5132 | 610 | i = strtol (s, (char **) NULL, 0); |
a38cf1db | 611 | #endif |
33948635 | 612 | n = xmalloc (sizeof *n); |
252b5132 RH |
613 | n->next = defsyms; |
614 | n->name = optarg; | |
615 | n->value = i; | |
616 | defsyms = n; | |
617 | } | |
618 | break; | |
619 | ||
620 | case OPTION_INSTTBL: | |
621 | case 't': | |
622 | { | |
76b0a8c0 KH |
623 | /* optarg is the name of the file containing the instruction |
624 | formats, opcodes, register names, etc. */ | |
252b5132 RH |
625 | struct itbl_file_list *n; |
626 | ||
627 | if (optarg == NULL) | |
628 | { | |
0e389e77 | 629 | as_warn (_("no file name following -t option")); |
252b5132 RH |
630 | break; |
631 | } | |
76b0a8c0 | 632 | |
33948635 | 633 | n = xmalloc (sizeof * n); |
252b5132 RH |
634 | n->next = itbl_files; |
635 | n->name = optarg; | |
636 | itbl_files = n; | |
637 | ||
638 | /* Parse the file and add the new instructions to our internal | |
76b0a8c0 KH |
639 | table. If multiple instruction tables are specified, the |
640 | information from this table gets appended onto the existing | |
641 | internal table. */ | |
252b5132 RH |
642 | itbl_files->name = xstrdup (optarg); |
643 | if (itbl_parse (itbl_files->name) != 0) | |
0e389e77 AM |
644 | as_fatal (_("failed to read instruction table %s\n"), |
645 | itbl_files->name); | |
252b5132 RH |
646 | } |
647 | break; | |
648 | ||
649 | case OPTION_DEPFILE: | |
650 | start_dependencies (optarg); | |
651 | break; | |
652 | ||
653 | case OPTION_GSTABS: | |
654 | debug_type = DEBUG_STABS; | |
655 | break; | |
76b0a8c0 | 656 | |
fac0d250 RH |
657 | case OPTION_GDWARF2: |
658 | debug_type = DEBUG_DWARF2; | |
659 | break; | |
660 | ||
252b5132 RH |
661 | case 'J': |
662 | flag_signed_overflow_ok = 1; | |
663 | break; | |
664 | ||
665 | #ifndef WORKING_DOT_WORD | |
666 | case 'K': | |
667 | flag_warn_displacement = 1; | |
668 | break; | |
669 | #endif | |
252b5132 RH |
670 | case 'L': |
671 | flag_keep_locals = 1; | |
672 | break; | |
673 | ||
674 | case OPTION_LISTING_LHS_WIDTH: | |
76b0a8c0 | 675 | listing_lhs_width = atoi (optarg); |
252b5132 RH |
676 | if (listing_lhs_width_second < listing_lhs_width) |
677 | listing_lhs_width_second = listing_lhs_width; | |
678 | break; | |
679 | case OPTION_LISTING_LHS_WIDTH2: | |
680 | { | |
76b0a8c0 | 681 | int tmp = atoi (optarg); |
252b5132 RH |
682 | if (tmp > listing_lhs_width) |
683 | listing_lhs_width_second = tmp; | |
684 | } | |
685 | break; | |
686 | case OPTION_LISTING_RHS_WIDTH: | |
76b0a8c0 | 687 | listing_rhs_width = atoi (optarg); |
252b5132 RH |
688 | break; |
689 | case OPTION_LISTING_CONT_LINES: | |
76b0a8c0 | 690 | listing_lhs_cont_lines = atoi (optarg); |
252b5132 RH |
691 | break; |
692 | ||
693 | case 'M': | |
694 | flag_mri = 1; | |
695 | #ifdef TC_M68K | |
696 | flag_m68k_mri = 1; | |
697 | #endif | |
698 | break; | |
699 | ||
700 | case 'R': | |
701 | flag_readonly_data_in_text = 1; | |
702 | break; | |
703 | ||
704 | case 'W': | |
705 | flag_no_warnings = 1; | |
706 | break; | |
707 | ||
2bdd6cf5 GK |
708 | case OPTION_WARN: |
709 | flag_no_warnings = 0; | |
710 | flag_fatal_warnings = 0; | |
711 | break; | |
712 | ||
713 | case OPTION_WARN_FATAL: | |
714 | flag_no_warnings = 0; | |
715 | flag_fatal_warnings = 1; | |
716 | break; | |
717 | ||
68d55fe3 JJ |
718 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
719 | case OPTION_EXECSTACK: | |
720 | flag_execstack = 1; | |
721 | flag_noexecstack = 0; | |
722 | break; | |
723 | ||
724 | case OPTION_NOEXECSTACK: | |
725 | flag_noexecstack = 1; | |
726 | flag_execstack = 0; | |
727 | break; | |
728 | #endif | |
252b5132 RH |
729 | case 'Z': |
730 | flag_always_generate_output = 1; | |
731 | break; | |
732 | ||
733 | case 'a': | |
734 | if (optarg) | |
735 | { | |
7f6d05e8 CP |
736 | if (md_parse_option (optc, optarg) != 0) |
737 | break; | |
738 | ||
252b5132 RH |
739 | while (*optarg) |
740 | { | |
741 | switch (*optarg) | |
742 | { | |
743 | case 'c': | |
744 | listing |= LISTING_NOCOND; | |
745 | break; | |
746 | case 'd': | |
747 | listing |= LISTING_NODEBUG; | |
748 | break; | |
749 | case 'h': | |
750 | listing |= LISTING_HLL; | |
751 | break; | |
752 | case 'l': | |
753 | listing |= LISTING_LISTING; | |
754 | break; | |
755 | case 'm': | |
756 | listing |= LISTING_MACEXP; | |
757 | break; | |
758 | case 'n': | |
759 | listing |= LISTING_NOFORM; | |
760 | break; | |
761 | case 's': | |
762 | listing |= LISTING_SYMBOLS; | |
763 | break; | |
764 | case '=': | |
765 | listing_filename = xstrdup (optarg + 1); | |
766 | optarg += strlen (listing_filename); | |
767 | break; | |
768 | default: | |
769 | as_fatal (_("invalid listing option `%c'"), *optarg); | |
770 | break; | |
771 | } | |
772 | optarg++; | |
773 | } | |
774 | } | |
775 | if (!listing) | |
776 | listing = LISTING_DEFAULT; | |
777 | break; | |
778 | ||
779 | case 'D': | |
76b0a8c0 KH |
780 | /* DEBUG is implemented: it debugs different |
781 | things from other people's assemblers. */ | |
252b5132 RH |
782 | flag_debug = 1; |
783 | break; | |
784 | ||
785 | case 'f': | |
786 | flag_no_comments = 1; | |
787 | break; | |
788 | ||
789 | case 'I': | |
76b0a8c0 | 790 | { /* Include file directory. */ |
252b5132 RH |
791 | char *temp = xstrdup (optarg); |
792 | add_include_dir (temp); | |
793 | break; | |
794 | } | |
795 | ||
796 | case 'o': | |
797 | out_file_name = xstrdup (optarg); | |
798 | break; | |
799 | ||
800 | case 'w': | |
801 | break; | |
802 | ||
803 | case 'X': | |
76b0a8c0 | 804 | /* -X means treat warnings as errors. */ |
252b5132 RH |
805 | break; |
806 | } | |
807 | } | |
808 | ||
809 | free (shortopts); | |
810 | free (longopts); | |
811 | ||
812 | *pargc = new_argc; | |
813 | *pargv = new_argv; | |
acebd4ce AS |
814 | |
815 | #ifdef md_after_parse_args | |
816 | md_after_parse_args (); | |
817 | #endif | |
252b5132 RH |
818 | } |
819 | ||
33948635 NC |
820 | static void |
821 | dump_statistics (void) | |
822 | { | |
823 | #ifdef HAVE_SBRK | |
824 | char *lim = (char *) sbrk (0); | |
825 | #endif | |
826 | long run_time = get_run_time () - start_time; | |
827 | ||
828 | fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"), | |
829 | myname, run_time / 1000000, run_time % 1000000); | |
830 | #ifdef HAVE_SBRK | |
831 | fprintf (stderr, _("%s: data size %ld\n"), | |
832 | myname, (long) (lim - (char *) &environ)); | |
833 | #endif | |
252b5132 | 834 | |
33948635 NC |
835 | subsegs_print_statistics (stderr); |
836 | write_print_statistics (stderr); | |
837 | symbol_print_statistics (stderr); | |
838 | read_print_statistics (stderr); | |
839 | ||
840 | #ifdef tc_print_statistics | |
841 | tc_print_statistics (stderr); | |
842 | #endif | |
843 | ||
844 | #ifdef obj_print_statistics | |
845 | obj_print_statistics (stderr); | |
846 | #endif | |
847 | } | |
848 | ||
849 | /* The interface between the macro code and gas expression handling. */ | |
850 | ||
851 | static int | |
852 | macro_expr (const char *emsg, int idx, sb *in, int *val) | |
853 | { | |
854 | char *hold; | |
855 | expressionS ex; | |
856 | ||
857 | sb_terminate (in); | |
858 | ||
859 | hold = input_line_pointer; | |
860 | input_line_pointer = in->ptr + idx; | |
861 | expression (&ex); | |
862 | idx = input_line_pointer - in->ptr; | |
863 | input_line_pointer = hold; | |
864 | ||
865 | if (ex.X_op != O_constant) | |
866 | as_bad ("%s", emsg); | |
867 | ||
868 | *val = (int) ex.X_add_number; | |
869 | ||
870 | return idx; | |
871 | } | |
872 | \f | |
873 | /* Here to attempt 1 pass over each input file. | |
874 | We scan argv[*] looking for filenames or exactly "" which is | |
875 | shorthand for stdin. Any argv that is NULL is not a file-name. | |
876 | We set need_pass_2 TRUE if, after this, we still have unresolved | |
877 | expressions of the form (unknown value)+-(unknown value). | |
878 | ||
879 | Note the un*x semantics: there is only 1 logical input file, but it | |
880 | may be a catenation of many 'physical' input files. */ | |
881 | ||
882 | static void | |
883 | perform_an_assembly_pass (int argc, char ** argv) | |
884 | { | |
885 | int saw_a_file = 0; | |
886 | #ifdef BFD_ASSEMBLER | |
887 | flagword applicable; | |
888 | #endif | |
889 | ||
890 | need_pass_2 = 0; | |
891 | ||
892 | #ifndef BFD_ASSEMBLER | |
893 | #ifdef MANY_SEGMENTS | |
894 | { | |
895 | unsigned int i; | |
896 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
897 | segment_info[i].fix_root = 0; | |
898 | } | |
899 | /* Create the three fixed ones. */ | |
900 | { | |
901 | segT seg; | |
902 | ||
903 | #ifdef TE_APOLLO | |
904 | seg = subseg_new (".wtext", 0); | |
905 | #else | |
906 | seg = subseg_new (".text", 0); | |
907 | #endif | |
908 | assert (seg == SEG_E0); | |
909 | seg = subseg_new (".data", 0); | |
910 | assert (seg == SEG_E1); | |
911 | seg = subseg_new (".bss", 0); | |
912 | assert (seg == SEG_E2); | |
913 | #ifdef TE_APOLLO | |
914 | create_target_segments (); | |
915 | #endif | |
916 | } | |
917 | ||
918 | #else /* not MANY_SEGMENTS. */ | |
919 | text_fix_root = NULL; | |
920 | data_fix_root = NULL; | |
921 | bss_fix_root = NULL; | |
922 | #endif /* not MANY_SEGMENTS. */ | |
923 | #else /* BFD_ASSEMBLER. */ | |
924 | /* Create the standard sections, and those the assembler uses | |
925 | internally. */ | |
926 | text_section = subseg_new (TEXT_SECTION_NAME, 0); | |
927 | data_section = subseg_new (DATA_SECTION_NAME, 0); | |
928 | bss_section = subseg_new (BSS_SECTION_NAME, 0); | |
929 | /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed | |
930 | to have relocs, otherwise we don't find out in time. */ | |
931 | applicable = bfd_applicable_section_flags (stdoutput); | |
932 | bfd_set_section_flags (stdoutput, text_section, | |
933 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
934 | | SEC_CODE | SEC_READONLY)); | |
935 | bfd_set_section_flags (stdoutput, data_section, | |
936 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
937 | | SEC_DATA)); | |
938 | bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC); | |
939 | seg_info (bss_section)->bss = 1; | |
940 | subseg_new (BFD_ABS_SECTION_NAME, 0); | |
941 | subseg_new (BFD_UND_SECTION_NAME, 0); | |
942 | reg_section = subseg_new ("*GAS `reg' section*", 0); | |
943 | expr_section = subseg_new ("*GAS `expr' section*", 0); | |
944 | ||
945 | #endif /* BFD_ASSEMBLER. */ | |
946 | ||
947 | subseg_set (text_section, 0); | |
948 | ||
949 | /* This may add symbol table entries, which requires having an open BFD, | |
950 | and sections already created, in BFD_ASSEMBLER mode. */ | |
951 | md_begin (); | |
952 | ||
953 | #ifdef USING_CGEN | |
954 | gas_cgen_begin (); | |
955 | #endif | |
956 | #ifdef obj_begin | |
957 | obj_begin (); | |
958 | #endif | |
959 | ||
960 | /* Skip argv[0]. */ | |
961 | argv++; | |
962 | argc--; | |
963 | ||
964 | while (argc--) | |
965 | { | |
966 | if (*argv) | |
967 | { /* Is it a file-name argument? */ | |
968 | PROGRESS (1); | |
969 | saw_a_file++; | |
970 | /* argv->"" if stdin desired, else->filename. */ | |
971 | read_a_source_file (*argv); | |
972 | } | |
973 | argv++; /* Completed that argv. */ | |
974 | } | |
975 | if (!saw_a_file) | |
976 | read_a_source_file (""); | |
977 | } | |
978 | \f | |
a80076a1 | 979 | |
76b0a8c0 | 980 | int |
33948635 | 981 | main (int argc, char ** argv) |
252b5132 RH |
982 | { |
983 | int macro_alternate; | |
984 | int macro_strip_at; | |
985 | int keep_it; | |
986 | ||
987 | start_time = get_run_time (); | |
988 | ||
989 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
990 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
991 | #endif |
992 | #if defined (HAVE_SETLOCALE) | |
993 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
994 | #endif |
995 | bindtextdomain (PACKAGE, LOCALEDIR); | |
996 | textdomain (PACKAGE); | |
997 | ||
998 | if (debug_memory) | |
091e58c1 | 999 | chunksize = 64; |
252b5132 RH |
1000 | |
1001 | #ifdef HOST_SPECIAL_INIT | |
1002 | HOST_SPECIAL_INIT (argc, argv); | |
1003 | #endif | |
1004 | ||
1005 | myname = argv[0]; | |
1006 | xmalloc_set_program_name (myname); | |
1007 | ||
1008 | START_PROGRESS (myname, 0); | |
1009 | ||
1010 | #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME | |
1011 | #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out" | |
1012 | #endif | |
1013 | ||
1014 | out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; | |
1015 | ||
1016 | hex_init (); | |
1017 | #ifdef BFD_ASSEMBLER | |
1018 | bfd_init (); | |
1019 | bfd_set_error_program_name (myname); | |
1020 | #endif | |
1021 | ||
1022 | #ifdef USE_EMULATIONS | |
1023 | select_emulation_mode (argc, argv); | |
1024 | #endif | |
1025 | ||
1026 | PROGRESS (1); | |
1027 | symbol_begin (); | |
1028 | frag_init (); | |
1029 | subsegs_begin (); | |
76b0a8c0 | 1030 | parse_args (&argc, &argv); |
252b5132 RH |
1031 | read_begin (); |
1032 | input_scrub_begin (); | |
1033 | expr_begin (); | |
1034 | ||
1035 | if (flag_print_statistics) | |
1036 | xatexit (dump_statistics); | |
1037 | ||
1038 | macro_alternate = 0; | |
1039 | macro_strip_at = 0; | |
1040 | #ifdef TC_I960 | |
1041 | macro_strip_at = flag_mri; | |
1042 | #endif | |
1043 | #ifdef TC_A29K | |
1044 | /* For compatibility with the AMD 29K family macro assembler | |
1045 | specification. */ | |
1046 | macro_alternate = 1; | |
1047 | macro_strip_at = 1; | |
1048 | #endif | |
1049 | ||
1050 | macro_init (macro_alternate, flag_mri, macro_strip_at, macro_expr); | |
1051 | ||
1052 | PROGRESS (1); | |
1053 | ||
1054 | #ifdef BFD_ASSEMBLER | |
1055 | output_file_create (out_file_name); | |
1056 | assert (stdoutput != 0); | |
1057 | #endif | |
1058 | ||
1059 | #ifdef tc_init_after_args | |
1060 | tc_init_after_args (); | |
1061 | #endif | |
1062 | ||
1063 | itbl_init (); | |
1064 | ||
1065 | /* Now that we have fully initialized, and have created the output | |
1066 | file, define any symbols requested by --defsym command line | |
1067 | arguments. */ | |
1068 | while (defsyms != NULL) | |
1069 | { | |
1070 | symbolS *sym; | |
1071 | struct defsym_list *next; | |
1072 | ||
1073 | sym = symbol_new (defsyms->name, absolute_section, defsyms->value, | |
1074 | &zero_address_frag); | |
1075 | symbol_table_insert (sym); | |
1076 | next = defsyms->next; | |
1077 | free (defsyms); | |
1078 | defsyms = next; | |
1079 | } | |
1080 | ||
1081 | PROGRESS (1); | |
1082 | ||
76b0a8c0 KH |
1083 | /* Assemble it. */ |
1084 | perform_an_assembly_pass (argc, argv); | |
252b5132 RH |
1085 | |
1086 | cond_finish_check (-1); | |
1087 | ||
1088 | #ifdef md_end | |
1089 | md_end (); | |
1090 | #endif | |
1091 | ||
68d55fe3 JJ |
1092 | #if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF) |
1093 | if ((flag_execstack || flag_noexecstack) | |
1094 | && OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
1095 | { | |
1096 | segT gnustack; | |
1097 | ||
1098 | gnustack = subseg_new (".note.GNU-stack", 0); | |
1099 | bfd_set_section_flags (stdoutput, gnustack, | |
1100 | SEC_READONLY | (flag_execstack ? SEC_CODE : 0)); | |
1101 | ||
1102 | } | |
1103 | #endif | |
1104 | ||
43ad3147 | 1105 | /* If we've been collecting dwarf2 .debug_line info, either for |
39bb5fe6 RH |
1106 | assembly debugging or on behalf of the compiler, emit it now. */ |
1107 | dwarf2_finish (); | |
1108 | ||
a4447b93 RH |
1109 | /* If we constructed dwarf2 .eh_frame info, either via .cfi |
1110 | directives from the user or by the backend, emit it now. */ | |
54cfded0 | 1111 | cfi_finish (); |
54cfded0 | 1112 | |
252b5132 RH |
1113 | if (seen_at_least_1_file () |
1114 | && (flag_always_generate_output || had_errors () == 0)) | |
1115 | keep_it = 1; | |
1116 | else | |
1117 | keep_it = 0; | |
1118 | ||
1119 | #if defined (BFD_ASSEMBLER) || !defined (BFD) | |
1120 | /* This used to be done at the start of write_object_file in | |
1121 | write.c, but that caused problems when doing listings when | |
1122 | keep_it was zero. This could probably be moved above md_end, but | |
1123 | I didn't want to risk the change. */ | |
1124 | subsegs_finish (); | |
1125 | #endif | |
1126 | ||
1127 | if (keep_it) | |
1128 | write_object_file (); | |
1129 | ||
1130 | #ifndef NO_LISTING | |
1131 | listing_print (listing_filename); | |
1132 | #endif | |
1133 | ||
33948635 | 1134 | #ifndef OBJ_VMS /* Does its own file handling. */ |
252b5132 RH |
1135 | #ifndef BFD_ASSEMBLER |
1136 | if (keep_it) | |
1137 | #endif | |
1138 | output_file_close (out_file_name); | |
1139 | #endif | |
1140 | ||
76b0a8c0 KH |
1141 | if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0) |
1142 | as_bad (_("%d warnings, treating warnings as errors"), had_warnings ()); | |
2bdd6cf5 | 1143 | |
252b5132 RH |
1144 | if (had_errors () > 0 && ! flag_always_generate_output) |
1145 | keep_it = 0; | |
1146 | ||
1147 | if (!keep_it) | |
1148 | unlink (out_file_name); | |
1149 | ||
1150 | input_scrub_end (); | |
1151 | ||
1152 | END_PROGRESS (myname); | |
1153 | ||
1154 | /* Use xexit instead of return, because under VMS environments they | |
1155 | may not place the same interpretation on the value given. */ | |
1156 | if (had_errors () > 0) | |
1157 | xexit (EXIT_FAILURE); | |
1158 | ||
1159 | /* Only generate dependency file if assembler was successful. */ | |
1160 | print_dependencies (); | |
1161 | ||
1162 | xexit (EXIT_SUCCESS); | |
1163 | } | |
1164 |