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Commit | Line | Data |
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252b5132 | 1 | /* as.c - GAS main program. |
fd67aa11 | 2 | Copyright (C) 1987-2024 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
ec2655a6 | 8 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
9 | any later version. |
10 | ||
ec2655a6 NC |
11 | GAS is distributed in the hope that it will be useful, but WITHOUT |
12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
14 | License for more details. | |
252b5132 RH |
15 | |
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to the Free | |
4b4da160 NC |
18 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
252b5132 | 20 | |
76b0a8c0 | 21 | /* Main program for AS; a 32-bit assembler of GNU. |
33948635 NC |
22 | Understands command arguments. |
23 | Has a few routines that don't fit in other modules because they | |
24 | are shared. | |
34bca508 | 25 | |
33948635 | 26 | bugs |
34bca508 | 27 | |
33948635 NC |
28 | : initialisers |
29 | Since no-one else says they will support them in future: I | |
30 | don't support them now. */ | |
252b5132 | 31 | |
252b5132 RH |
32 | #define COMMON |
33 | ||
5f71e59e JW |
34 | /* Disable code to set FAKE_LABEL_NAME in obj-multi.h, to avoid circular |
35 | reference. */ | |
36 | #define INITIALIZING_EMULS | |
37 | ||
252b5132 RH |
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" |
ba646820 | 45 | #include "codeview.h" |
b95d15c6 | 46 | #include "bfdver.h" |
2469b3c5 | 47 | #include "write.h" |
c7defc53 | 48 | #include "ginsn.h" |
b95d15c6 | 49 | |
84be4d71 ILT |
50 | #ifdef HAVE_ITBL_CPU |
51 | #include "itbl-ops.h" | |
52 | #else | |
252b5132 RH |
53 | #define itbl_init() |
54 | #endif | |
55 | ||
9cc92a36 NC |
56 | #ifdef USING_CGEN |
57 | /* Perform any cgen specific initialisation for gas. */ | |
33948635 | 58 | extern void gas_cgen_begin (void); |
9cc92a36 | 59 | #endif |
252b5132 | 60 | |
33948635 NC |
61 | /* We build a list of defsyms as we read the options, and then define |
62 | them after we have initialized everything. */ | |
63 | struct defsym_list | |
64 | { | |
65 | struct defsym_list *next; | |
66 | char *name; | |
67 | valueT value; | |
68 | }; | |
69 | ||
70 | ||
76b0a8c0 KH |
71 | /* True if a listing is wanted. */ |
72 | int listing; | |
252b5132 | 73 | |
252b5132 | 74 | /* Type of debugging to generate. */ |
4dc7ead9 | 75 | enum debug_info_type debug_type = DEBUG_UNSPECIFIED; |
05da4302 | 76 | int use_gnu_debug_info_extensions = 0; |
252b5132 | 77 | |
329e276d NC |
78 | #ifndef MD_DEBUG_FORMAT_SELECTOR |
79 | #define MD_DEBUG_FORMAT_SELECTOR NULL | |
80 | #endif | |
81 | static enum debug_info_type (*md_debug_format_selector) (int *) = MD_DEBUG_FORMAT_SELECTOR; | |
82 | ||
252b5132 | 83 | /* Maximum level of macro nesting. */ |
252b5132 RH |
84 | int max_macro_nest = 100; |
85 | ||
76b0a8c0 | 86 | /* argv[0] */ |
87c245cc | 87 | static char * myname; |
252b5132 RH |
88 | |
89 | /* The default obstack chunk size. If we set this to zero, the | |
90 | obstack code will use whatever will fit in a 4096 byte block. */ | |
91 | int chunksize = 0; | |
92 | ||
93 | /* To monitor memory allocation more effectively, make this non-zero. | |
94 | Then the chunk sizes for gas and bfd will be reduced. */ | |
95 | int debug_memory = 0; | |
96 | ||
54cfded0 AM |
97 | /* Enable verbose mode. */ |
98 | int verbose = 0; | |
99 | ||
0ac2b354 AB |
100 | /* Which version of DWARF CIE to produce. This default value of -1 |
101 | indicates that this value has not been set yet, a default value is | |
102 | provided in dwarf2_init. A different value can also be supplied by the | |
103 | command line flag --gdwarf-cie-version, or by a target in | |
104 | MD_AFTER_PARSE_ARGS. */ | |
105 | int flag_dwarf_cie_version = -1; | |
66f8b2cb | 106 | |
3f853ba3 NC |
107 | /* The maximum level of DWARF DEBUG information we should manufacture. |
108 | This defaults to 3 unless overridden by a command line option. */ | |
109 | unsigned int dwarf_level = 3; | |
31bf1864 | 110 | |
b8871f35 L |
111 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
112 | int flag_use_elf_stt_common = DEFAULT_GENERATE_ELF_STT_COMMON; | |
5b7c81bd | 113 | bool flag_generate_build_notes = DEFAULT_GENERATE_BUILD_NOTES; |
b8871f35 L |
114 | #endif |
115 | ||
33948635 NC |
116 | segT reg_section; |
117 | segT expr_section; | |
118 | segT text_section; | |
119 | segT data_section; | |
120 | segT bss_section; | |
252b5132 | 121 | |
33948635 NC |
122 | /* Name of listing file. */ |
123 | static char *listing_filename = NULL; | |
252b5132 RH |
124 | |
125 | static struct defsym_list *defsyms; | |
126 | ||
33948635 | 127 | static long start_time; |
252b5132 | 128 | |
252b5132 | 129 | \f |
252b5132 RH |
130 | #ifdef USE_EMULATIONS |
131 | #define EMULATION_ENVIRON "AS_EMULATION" | |
132 | ||
133 | extern struct emulation mipsbelf, mipslelf, mipself; | |
4c63da97 | 134 | extern struct emulation i386coff, i386elf, i386aout; |
3bcbcc3d | 135 | extern struct emulation crisaout, criself; |
252b5132 RH |
136 | |
137 | static struct emulation *const emulations[] = { EMULATIONS }; | |
138 | static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]); | |
139 | ||
252b5132 | 140 | static void |
33948635 | 141 | select_emulation_mode (int argc, char **argv) |
252b5132 RH |
142 | { |
143 | int i; | |
e0471c16 TS |
144 | char *p; |
145 | const char *em = NULL; | |
252b5132 RH |
146 | |
147 | for (i = 1; i < argc; i++) | |
d34049e8 | 148 | if (startswith (argv[i], "--em")) |
252b5132 RH |
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) | |
2469b3c5 | 206 | this_emulation->fake_label_name = FAKE_LABEL_NAME; |
252b5132 RH |
207 | else |
208 | /* What other parameters should we test? */ | |
2469b3c5 | 209 | this_emulation->fake_label_name = "." FAKE_LABEL_NAME; |
252b5132 RH |
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 | ||
e12fe555 NC |
227 | #ifdef DEFAULT_FLAG_COMPRESS_DEBUG |
228 | enum compressed_debug_section_type flag_compress_debug | |
b0c295e1 | 229 | = DEFAULT_COMPRESSED_DEBUG_ALGORITHM; |
e9339bee JB |
230 | #define DEFAULT_COMPRESSED_DEBUG_ALGORITHM_HELP \ |
231 | DEFAULT_COMPRESSED_DEBUG_ALGORITHM | |
232 | #else | |
233 | #define DEFAULT_COMPRESSED_DEBUG_ALGORITHM_HELP COMPRESS_DEBUG_NONE | |
e12fe555 NC |
234 | #endif |
235 | ||
4c63da97 | 236 | static void |
33948635 | 237 | show_usage (FILE * stream) |
4c63da97 AM |
238 | { |
239 | fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname); | |
240 | ||
241 | fprintf (stream, _("\ | |
242 | Options:\n\ | |
243 | -a[sub-option...] turn on listings\n\ | |
244 | Sub-options [default hls]:\n\ | |
245 | c omit false conditionals\n\ | |
246 | d omit debugging directives\n\ | |
83f10cb2 | 247 | g include general info\n\ |
4c63da97 | 248 | h include high-level source\n\ |
c7defc53 | 249 | i include ginsn and synthesized CFI info\n\ |
4c63da97 AM |
250 | l include assembly\n\ |
251 | m include macro expansions\n\ | |
252 | n omit forms processing\n\ | |
253 | s include symbols\n\ | |
4c63da97 AM |
254 | =FILE list to FILE (must be last sub-option)\n")); |
255 | ||
caa32fe5 NC |
256 | fprintf (stream, _("\ |
257 | --alternate initially turn on alternate macro syntax\n")); | |
4c63da97 | 258 | fprintf (stream, _("\ |
2cac01e3 | 259 | --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi|zstd}]\n\ |
857bddbe | 260 | compress DWARF debug sections\n")), |
e12fe555 | 261 | fprintf (stream, _("\ |
857bddbe | 262 | Default: %s\n"), |
e9339bee JB |
263 | bfd_get_compression_algorithm_name |
264 | (DEFAULT_COMPRESSED_DEBUG_ALGORITHM_HELP)); | |
857bddbe | 265 | |
e12fe555 NC |
266 | fprintf (stream, _("\ |
267 | --nocompress-debug-sections\n\ | |
857bddbe | 268 | don't compress DWARF debug sections\n")); |
700c4060 | 269 | fprintf (stream, _("\ |
4c63da97 AM |
270 | -D produce assembler debugging messages\n")); |
271 | fprintf (stream, _("\ | |
7ebd68d1 NC |
272 | --dump-config display how the assembler is configured and then exit\n")); |
273 | fprintf (stream, _("\ | |
700c4060 CC |
274 | --debug-prefix-map OLD=NEW\n\ |
275 | map OLD to NEW in debug information\n")); | |
3d6b762c | 276 | fprintf (stream, _("\ |
4c63da97 AM |
277 | --defsym SYM=VAL define symbol SYM to given value\n")); |
278 | #ifdef USE_EMULATIONS | |
279 | { | |
280 | int i; | |
e0471c16 | 281 | const char *def_em; |
4c63da97 AM |
282 | |
283 | fprintf (stream, "\ | |
7ebd68d1 | 284 | --emulation=["); |
76b0a8c0 | 285 | for (i = 0; i < n_emulations - 1; i++) |
4c63da97 AM |
286 | fprintf (stream, "%s | ", emulations[i]->name); |
287 | fprintf (stream, "%s]\n", emulations[i]->name); | |
288 | ||
289 | def_em = getenv (EMULATION_ENVIRON); | |
76b0a8c0 | 290 | if (!def_em) |
4c63da97 AM |
291 | def_em = DEFAULT_EMULATION; |
292 | fprintf (stream, _("\ | |
293 | emulate output (default %s)\n"), def_em); | |
294 | } | |
68d55fe3 | 295 | #endif |
7be1c489 | 296 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
297 | fprintf (stream, _("\ |
298 | --execstack require executable stack for this object\n")); | |
299 | fprintf (stream, _("\ | |
300 | --noexecstack don't require executable stack for this object\n")); | |
21be61f5 L |
301 | fprintf (stream, _("\ |
302 | --size-check=[error|warning]\n\ | |
303 | ELF .size directive check (default --size-check=error)\n")); | |
451133ce | 304 | fprintf (stream, _("\ |
3a53fb12 L |
305 | --elf-stt-common=[no|yes] ")); |
306 | if (DEFAULT_GENERATE_ELF_STT_COMMON) | |
307 | fprintf (stream, _("(default: yes)\n")); | |
308 | else | |
309 | fprintf (stream, _("(default: no)\n")); | |
310 | fprintf (stream, _("\ | |
b8871f35 L |
311 | generate ELF common symbols with STT_COMMON type\n")); |
312 | fprintf (stream, _("\ | |
451133ce | 313 | --sectname-subst enable section name substitution sequences\n")); |
0df8ad28 NC |
314 | |
315 | fprintf (stream, _("\ | |
316 | --generate-missing-build-notes=[no|yes] ")); | |
317 | #if DEFAULT_GENERATE_BUILD_NOTES | |
318 | fprintf (stream, _("(default: yes)\n")); | |
319 | #else | |
320 | fprintf (stream, _("(default: no)\n")); | |
4c63da97 | 321 | #endif |
0df8ad28 NC |
322 | fprintf (stream, _("\ |
323 | generate GNU Build notes if none are present in the input\n")); | |
b07a2978 | 324 | fprintf (stream, _("\ |
3e3e792a | 325 | --gsframe generate SFrame stack trace information\n")); |
ad9bd833 IB |
326 | # if defined (TARGET_USE_SCFI) && defined (TARGET_USE_GINSN) |
327 | fprintf (stream, _("\ | |
328 | --scfi=experimental Synthesize DWARF CFI for hand-written asm\n\ | |
329 | (experimental support)\n")); | |
330 | # endif | |
0df8ad28 NC |
331 | #endif /* OBJ_ELF */ |
332 | ||
4c63da97 AM |
333 | fprintf (stream, _("\ |
334 | -f skip whitespace and comment preprocessing\n")); | |
335 | fprintf (stream, _("\ | |
329e276d NC |
336 | -g --gen-debug generate debugging information\n")); |
337 | fprintf (stream, _("\ | |
338 | --gstabs generate STABS debugging information\n")); | |
4c63da97 | 339 | fprintf (stream, _("\ |
329e276d | 340 | --gstabs+ generate STABS debug info with GNU extensions\n")); |
05da4302 | 341 | fprintf (stream, _("\ |
31bf1864 | 342 | --gdwarf-<N> generate DWARF<N> debugging information. 2 <= <N> <= 5\n")); |
4c63da97 | 343 | fprintf (stream, _("\ |
7ebd68d1 NC |
344 | --gdwarf-cie-version=<N> generate version 1, 3 or 4 DWARF CIEs\n")); |
345 | fprintf (stream, _("\ | |
b40bf0a2 | 346 | --gdwarf-sections generate per-function section names for DWARF line information\n")); |
0b7186b9 | 347 | #if defined (TE_PE) && defined (O_secrel) |
ba646820 MH |
348 | fprintf (stream, _("\ |
349 | --gcodeview generate CodeView debugging information\n")); | |
350 | #endif | |
b40bf0a2 | 351 | fprintf (stream, _("\ |
7ebd68d1 NC |
352 | --hash-size=<N> ignored\n")); |
353 | fprintf (stream, _("\ | |
354 | --help show all assembler options\n")); | |
355 | fprintf (stream, _("\ | |
ea20a7da CC |
356 | --target-help show target specific options\n")); |
357 | fprintf (stream, _("\ | |
4c63da97 AM |
358 | -I DIR add DIR to search list for .include directives\n")); |
359 | fprintf (stream, _("\ | |
360 | -J don't warn about signed overflow\n")); | |
361 | fprintf (stream, _("\ | |
362 | -K warn when differences altered for long displacements\n")); | |
363 | fprintf (stream, _("\ | |
364 | -L,--keep-locals keep local symbols (e.g. starting with `L')\n")); | |
365 | fprintf (stream, _("\ | |
366 | -M,--mri assemble in MRI compatibility mode\n")); | |
367 | fprintf (stream, _("\ | |
368 | --MD FILE write dependency information in FILE (default none)\n")); | |
369 | fprintf (stream, _("\ | |
7ebd68d1 NC |
370 | --multibyte-handling=<method>\n\ |
371 | what to do with multibyte characters encountered in the input\n")); | |
372 | fprintf (stream, _("\ | |
4c63da97 AM |
373 | -nocpp ignored\n")); |
374 | fprintf (stream, _("\ | |
2edb36e7 NC |
375 | -no-pad-sections do not pad the end of sections to alignment boundaries\n")); |
376 | fprintf (stream, _("\ | |
4c63da97 AM |
377 | -o OBJFILE name the object-file output OBJFILE (default a.out)\n")); |
378 | fprintf (stream, _("\ | |
379 | -R fold data section into text section\n")); | |
380 | fprintf (stream, _("\ | |
7ebd68d1 NC |
381 | --reduce-memory-overheads ignored\n")); |
382 | fprintf (stream, _("\ | |
4c63da97 AM |
383 | --statistics print various measured statistics from execution\n")); |
384 | fprintf (stream, _("\ | |
385 | --strip-local-absolute strip local absolute symbols\n")); | |
386 | fprintf (stream, _("\ | |
387 | --traditional-format Use same format as native assembler when possible\n")); | |
388 | fprintf (stream, _("\ | |
389 | --version print assembler version number and exit\n")); | |
390 | fprintf (stream, _("\ | |
391 | -W --no-warn suppress warnings\n")); | |
392 | fprintf (stream, _("\ | |
393 | --warn don't suppress warnings\n")); | |
394 | fprintf (stream, _("\ | |
395 | --fatal-warnings treat warnings as errors\n")); | |
732f54cd | 396 | #ifdef HAVE_ITBL_CPU |
4c63da97 AM |
397 | fprintf (stream, _("\ |
398 | --itbl INSTTBL extend instruction set to include instructions\n\ | |
399 | matching the specifications defined in file INSTTBL\n")); | |
732f54cd | 400 | #endif |
4c63da97 AM |
401 | fprintf (stream, _("\ |
402 | -w ignored\n")); | |
403 | fprintf (stream, _("\ | |
404 | -X ignored\n")); | |
405 | fprintf (stream, _("\ | |
406 | -Z generate object file even after errors\n")); | |
407 | fprintf (stream, _("\ | |
408 | --listing-lhs-width set the width in words of the output data column of\n\ | |
409 | the listing\n")); | |
410 | fprintf (stream, _("\ | |
411 | --listing-lhs-width2 set the width in words of the continuation lines\n\ | |
412 | of the output data column; ignored if smaller than\n\ | |
413 | the width of the first line\n")); | |
414 | fprintf (stream, _("\ | |
415 | --listing-rhs-width set the max width in characters of the lines from\n\ | |
416 | the source file\n")); | |
417 | fprintf (stream, _("\ | |
418 | --listing-cont-lines set the maximum number of continuation lines used\n\ | |
419 | for the output data column of the listing\n")); | |
a55ff675 | 420 | fprintf (stream, _("\ |
34bca508 | 421 | @FILE read options from FILE\n")); |
4c63da97 AM |
422 | |
423 | md_show_usage (stream); | |
424 | ||
c20f4f8c | 425 | fputc ('\n', stream); |
92f01d61 JM |
426 | |
427 | if (REPORT_BUGS_TO[0] && stream == stdout) | |
428 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); | |
4c63da97 AM |
429 | } |
430 | ||
76b0a8c0 KH |
431 | /* Since it is easy to do here we interpret the special arg "-" |
432 | to mean "use stdin" and we set that argv[] pointing to "". | |
433 | After we have munged argv[], the only things left are source file | |
434 | name(s) and ""(s) denoting stdin. These file names are used | |
435 | (perhaps more than once) later. | |
436 | ||
437 | check for new machine-dep cmdline options in | |
438 | md_parse_option definitions in config/tc-*.c. */ | |
252b5132 RH |
439 | |
440 | static void | |
33948635 | 441 | parse_args (int * pargc, char *** pargv) |
252b5132 | 442 | { |
33948635 NC |
443 | int old_argc; |
444 | int new_argc; | |
445 | char ** old_argv; | |
446 | char ** new_argv; | |
252b5132 RH |
447 | /* Starting the short option string with '-' is for programs that |
448 | expect options and other ARGV-elements in any order and that care about | |
449 | the ordering of the two. We describe each non-option ARGV-element | |
450 | as if it were the argument of an option with character code 1. */ | |
252b5132 | 451 | char *shortopts; |
5a38dc70 | 452 | extern const char *md_shortopts; |
33948635 NC |
453 | static const char std_shortopts[] = |
454 | { | |
30a2b4ef | 455 | '-', 'J', |
252b5132 | 456 | #ifndef WORKING_DOT_WORD |
30a2b4ef KH |
457 | /* -K is not meaningful if .word is not being hacked. */ |
458 | 'K', | |
252b5132 | 459 | #endif |
8f94ae4d | 460 | 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', 'o', ':', |
252b5132 | 461 | #ifndef VMS |
30a2b4ef KH |
462 | /* -v takes an argument on VMS, so we don't make it a generic |
463 | option. */ | |
464 | 'v', | |
252b5132 | 465 | #endif |
30a2b4ef | 466 | 'w', 'X', |
732f54cd | 467 | #ifdef HAVE_ITBL_CPU |
33948635 | 468 | /* New option for extending instruction set (see also --itbl below). */ |
30a2b4ef | 469 | 't', ':', |
732f54cd | 470 | #endif |
30a2b4ef KH |
471 | '\0' |
472 | }; | |
252b5132 RH |
473 | struct option *longopts; |
474 | extern struct option md_longopts[]; | |
475 | extern size_t md_longopts_size; | |
33948635 NC |
476 | /* Codes used for the long options with no short synonyms. */ |
477 | enum option_values | |
478 | { | |
479 | OPTION_HELP = OPTION_STD_BASE, | |
480 | OPTION_NOCPP, | |
481 | OPTION_STATISTICS, | |
482 | OPTION_VERSION, | |
483 | OPTION_DUMPCONFIG, | |
484 | OPTION_VERBOSE, | |
485 | OPTION_EMULATION, | |
3d6b762c | 486 | OPTION_DEBUG_PREFIX_MAP, |
33948635 | 487 | OPTION_DEFSYM, |
33948635 | 488 | OPTION_LISTING_LHS_WIDTH, |
578c64a4 | 489 | OPTION_LISTING_LHS_WIDTH2, /* = STD_BASE + 10 */ |
33948635 NC |
490 | OPTION_LISTING_RHS_WIDTH, |
491 | OPTION_LISTING_CONT_LINES, | |
492 | OPTION_DEPFILE, | |
493 | OPTION_GSTABS, | |
05da4302 | 494 | OPTION_GSTABS_PLUS, |
31bf1864 NC |
495 | OPTION_GDWARF_2, |
496 | OPTION_GDWARF_3, | |
497 | OPTION_GDWARF_4, | |
498 | OPTION_GDWARF_5, | |
578c64a4 | 499 | OPTION_GDWARF_SECTIONS, /* = STD_BASE + 20 */ |
66f8b2cb | 500 | OPTION_GDWARF_CIE_VERSION, |
ba646820 | 501 | OPTION_GCODEVIEW, |
33948635 NC |
502 | OPTION_STRIP_LOCAL_ABSOLUTE, |
503 | OPTION_TRADITIONAL_FORMAT, | |
33948635 NC |
504 | OPTION_WARN, |
505 | OPTION_TARGET_HELP, | |
506 | OPTION_EXECSTACK, | |
507 | OPTION_NOEXECSTACK, | |
21be61f5 | 508 | OPTION_SIZE_CHECK, |
b8871f35 | 509 | OPTION_ELF_STT_COMMON, |
578c64a4 | 510 | OPTION_ELF_BUILD_NOTES, /* = STD_BASE + 30 */ |
451133ce | 511 | OPTION_SECTNAME_SUBST, |
caa32fe5 | 512 | OPTION_ALTERNATE, |
5a14ab23 | 513 | OPTION_AL, |
4bdd3565 NC |
514 | OPTION_HASH_TABLE_SIZE, |
515 | OPTION_REDUCE_MEMORY_OVERHEADS, | |
0acf065b CC |
516 | OPTION_WARN_FATAL, |
517 | OPTION_COMPRESS_DEBUG, | |
2edb36e7 | 518 | OPTION_NOCOMPRESS_DEBUG, |
578c64a4 | 519 | OPTION_NO_PAD_SECTIONS, |
b07a2978 | 520 | OPTION_MULTIBYTE_HANDLING, /* = STD_BASE + 40 */ |
ad9bd833 IB |
521 | OPTION_SFRAME, |
522 | OPTION_SCFI | |
329e276d NC |
523 | /* When you add options here, check that they do |
524 | not collide with OPTION_MD_BASE. See as.h. */ | |
33948635 | 525 | }; |
34bca508 | 526 | |
33948635 NC |
527 | static const struct option std_longopts[] = |
528 | { | |
329e276d | 529 | /* Note: commas are placed at the start of the line rather than |
cc643b88 | 530 | the end of the preceding line so that it is simpler to |
329e276d NC |
531 | selectively add and remove lines from this list. */ |
532 | {"alternate", no_argument, NULL, OPTION_ALTERNATE} | |
fb767913 NC |
533 | /* The entry for "a" is here to prevent getopt_long_only() from |
534 | considering that -a is an abbreviation for --alternate. This is | |
535 | necessary because -a=<FILE> is a valid switch but getopt would | |
536 | normally reject it since --alternate does not take an argument. */ | |
537 | ,{"a", optional_argument, NULL, 'a'} | |
5a14ab23 L |
538 | /* Handle -al=<FILE>. */ |
539 | ,{"al", optional_argument, NULL, OPTION_AL} | |
151411f8 | 540 | ,{"compress-debug-sections", optional_argument, NULL, OPTION_COMPRESS_DEBUG} |
0acf065b | 541 | ,{"nocompress-debug-sections", no_argument, NULL, OPTION_NOCOMPRESS_DEBUG} |
3d6b762c | 542 | ,{"debug-prefix-map", required_argument, NULL, OPTION_DEBUG_PREFIX_MAP} |
329e276d NC |
543 | ,{"defsym", required_argument, NULL, OPTION_DEFSYM} |
544 | ,{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG} | |
545 | ,{"emulation", required_argument, NULL, OPTION_EMULATION} | |
7be1c489 | 546 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
329e276d NC |
547 | ,{"execstack", no_argument, NULL, OPTION_EXECSTACK} |
548 | ,{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK} | |
21be61f5 | 549 | ,{"size-check", required_argument, NULL, OPTION_SIZE_CHECK} |
b8871f35 | 550 | ,{"elf-stt-common", required_argument, NULL, OPTION_ELF_STT_COMMON} |
451133ce | 551 | ,{"sectname-subst", no_argument, NULL, OPTION_SECTNAME_SUBST} |
0df8ad28 | 552 | ,{"generate-missing-build-notes", required_argument, NULL, OPTION_ELF_BUILD_NOTES} |
b07a2978 | 553 | ,{"gsframe", no_argument, NULL, OPTION_SFRAME} |
ad9bd833 IB |
554 | # if defined (TARGET_USE_SCFI) && defined (TARGET_USE_GINSN) |
555 | ,{"scfi", required_argument, NULL, OPTION_SCFI} | |
556 | # endif | |
557 | #endif /* OBJ_ELF || OBJ_MAYBE_ELF. */ | |
329e276d | 558 | ,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL} |
31bf1864 NC |
559 | ,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF_2} |
560 | ,{"gdwarf-3", no_argument, NULL, OPTION_GDWARF_3} | |
561 | ,{"gdwarf-4", no_argument, NULL, OPTION_GDWARF_4} | |
562 | ,{"gdwarf-5", no_argument, NULL, OPTION_GDWARF_5} | |
563 | /* GCC uses --gdwarf-2 but GAS used to to use --gdwarf2, | |
329e276d | 564 | so we keep it here for backwards compatibility. */ |
31bf1864 | 565 | ,{"gdwarf2", no_argument, NULL, OPTION_GDWARF_2} |
b40bf0a2 | 566 | ,{"gdwarf-sections", no_argument, NULL, OPTION_GDWARF_SECTIONS} |
66f8b2cb | 567 | ,{"gdwarf-cie-version", required_argument, NULL, OPTION_GDWARF_CIE_VERSION} |
0b7186b9 | 568 | #if defined (TE_PE) && defined (O_secrel) |
ba646820 MH |
569 | ,{"gcodeview", no_argument, NULL, OPTION_GCODEVIEW} |
570 | #endif | |
329e276d NC |
571 | ,{"gen-debug", no_argument, NULL, 'g'} |
572 | ,{"gstabs", no_argument, NULL, OPTION_GSTABS} | |
573 | ,{"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS} | |
4bdd3565 | 574 | ,{"hash-size", required_argument, NULL, OPTION_HASH_TABLE_SIZE} |
329e276d | 575 | ,{"help", no_argument, NULL, OPTION_HELP} |
732f54cd | 576 | #ifdef HAVE_ITBL_CPU |
252b5132 RH |
577 | /* New option for extending instruction set (see also -t above). |
578 | The "-t file" or "--itbl file" option extends the basic set of | |
579 | valid instructions by reading "file", a text file containing a | |
580 | list of instruction formats. The additional opcodes and their | |
581 | formats are added to the built-in set of instructions, and | |
582 | mnemonics for new registers may also be defined. */ | |
732f54cd JB |
583 | ,{"itbl", required_argument, NULL, 't'} |
584 | #endif | |
329e276d NC |
585 | /* getopt allows abbreviations, so we do this to stop it from |
586 | treating -k as an abbreviation for --keep-locals. Some | |
587 | ports use -k to enable PIC assembly. */ | |
588 | ,{"keep-locals", no_argument, NULL, 'L'} | |
589 | ,{"keep-locals", no_argument, NULL, 'L'} | |
590 | ,{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH} | |
591 | ,{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2} | |
592 | ,{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH} | |
593 | ,{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES} | |
594 | ,{"MD", required_argument, NULL, OPTION_DEPFILE} | |
595 | ,{"mri", no_argument, NULL, 'M'} | |
596 | ,{"nocpp", no_argument, NULL, OPTION_NOCPP} | |
2edb36e7 | 597 | ,{"no-pad-sections", no_argument, NULL, OPTION_NO_PAD_SECTIONS} |
329e276d | 598 | ,{"no-warn", no_argument, NULL, 'W'} |
4bdd3565 | 599 | ,{"reduce-memory-overheads", no_argument, NULL, OPTION_REDUCE_MEMORY_OVERHEADS} |
329e276d NC |
600 | ,{"statistics", no_argument, NULL, OPTION_STATISTICS} |
601 | ,{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE} | |
602 | ,{"version", no_argument, NULL, OPTION_VERSION} | |
603 | ,{"verbose", no_argument, NULL, OPTION_VERBOSE} | |
604 | ,{"target-help", no_argument, NULL, OPTION_TARGET_HELP} | |
605 | ,{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT} | |
606 | ,{"warn", no_argument, NULL, OPTION_WARN} | |
578c64a4 | 607 | ,{"multibyte-handling", required_argument, NULL, OPTION_MULTIBYTE_HANDLING} |
252b5132 RH |
608 | }; |
609 | ||
beb2de9b AC |
610 | /* Construct the option lists from the standard list and the target |
611 | dependent list. Include space for an extra NULL option and | |
76b0a8c0 | 612 | always NULL terminate. */ |
252b5132 | 613 | shortopts = concat (std_shortopts, md_shortopts, (char *) NULL); |
1e9cc1c2 NC |
614 | longopts = (struct option *) xmalloc (sizeof (std_longopts) |
615 | + md_longopts_size + sizeof (struct option)); | |
252b5132 | 616 | memcpy (longopts, std_longopts, sizeof (std_longopts)); |
33948635 NC |
617 | memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size); |
618 | memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size, | |
beb2de9b | 619 | 0, sizeof (struct option)); |
252b5132 RH |
620 | |
621 | /* Make a local copy of the old argv. */ | |
622 | old_argc = *pargc; | |
623 | old_argv = *pargv; | |
624 | ||
625 | /* Initialize a new argv that contains no options. */ | |
af3d7ab7 | 626 | new_argv = notes_alloc (sizeof (char *) * (old_argc + 1)); |
252b5132 RH |
627 | new_argv[0] = old_argv[0]; |
628 | new_argc = 1; | |
629 | new_argv[new_argc] = NULL; | |
630 | ||
631 | while (1) | |
632 | { | |
633 | /* getopt_long_only is like getopt_long, but '-' as well as '--' can | |
634 | indicate a long option. */ | |
635 | int longind; | |
636 | int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts, | |
637 | &longind); | |
638 | ||
639 | if (optc == -1) | |
640 | break; | |
641 | ||
642 | switch (optc) | |
643 | { | |
644 | default: | |
645 | /* md_parse_option should return 1 if it recognizes optc, | |
646 | 0 if not. */ | |
647 | if (md_parse_option (optc, optarg) != 0) | |
648 | break; | |
649 | /* `-v' isn't included in the general short_opts list, so check for | |
47eebc20 | 650 | it explicitly here before deciding we've gotten a bad argument. */ |
252b5132 RH |
651 | if (optc == 'v') |
652 | { | |
653 | #ifdef VMS | |
654 | /* Telling getopt to treat -v's value as optional can result | |
655 | in it picking up a following filename argument here. The | |
656 | VMS code in md_parse_option can return 0 in that case, | |
657 | but it has no way of pushing the filename argument back. */ | |
658 | if (optarg && *optarg) | |
30a2b4ef | 659 | new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL; |
252b5132 RH |
660 | else |
661 | #else | |
662 | case 'v': | |
663 | #endif | |
664 | case OPTION_VERBOSE: | |
665 | print_version_id (); | |
54cfded0 | 666 | verbose = 1; |
252b5132 RH |
667 | break; |
668 | } | |
329e276d NC |
669 | else |
670 | as_bad (_("unrecognized option -%c%s"), optc, optarg ? optarg : ""); | |
76b0a8c0 | 671 | /* Fall through. */ |
252b5132 RH |
672 | |
673 | case '?': | |
674 | exit (EXIT_FAILURE); | |
675 | ||
676 | case 1: /* File name. */ | |
677 | if (!strcmp (optarg, "-")) | |
97830986 | 678 | optarg = (char *) ""; |
252b5132 RH |
679 | new_argv[new_argc++] = optarg; |
680 | new_argv[new_argc] = NULL; | |
681 | break; | |
ef99799a | 682 | |
ea20a7da | 683 | case OPTION_TARGET_HELP: |
411863a4 KH |
684 | md_show_usage (stdout); |
685 | exit (EXIT_SUCCESS); | |
252b5132 RH |
686 | |
687 | case OPTION_HELP: | |
688 | show_usage (stdout); | |
689 | exit (EXIT_SUCCESS); | |
690 | ||
691 | case OPTION_NOCPP: | |
692 | break; | |
693 | ||
2edb36e7 NC |
694 | case OPTION_NO_PAD_SECTIONS: |
695 | do_not_pad_sections_to_alignment = 1; | |
696 | break; | |
697 | ||
252b5132 RH |
698 | case OPTION_STATISTICS: |
699 | flag_print_statistics = 1; | |
700 | break; | |
701 | ||
702 | case OPTION_STRIP_LOCAL_ABSOLUTE: | |
703 | flag_strip_local_absolute = 1; | |
704 | break; | |
705 | ||
706 | case OPTION_TRADITIONAL_FORMAT: | |
707 | flag_traditional_format = 1; | |
708 | break; | |
709 | ||
578c64a4 NC |
710 | case OPTION_MULTIBYTE_HANDLING: |
711 | if (strcmp (optarg, "allow") == 0) | |
712 | multibyte_handling = multibyte_allow; | |
713 | else if (strcmp (optarg, "warn") == 0) | |
714 | multibyte_handling = multibyte_warn; | |
715 | else if (strcmp (optarg, "warn-sym-only") == 0) | |
716 | multibyte_handling = multibyte_warn_syms; | |
717 | else if (strcmp (optarg, "warn_sym_only") == 0) | |
718 | multibyte_handling = multibyte_warn_syms; | |
719 | else | |
720 | as_fatal (_("unexpected argument to --multibyte-input-option: '%s'"), optarg); | |
721 | break; | |
722 | ||
252b5132 RH |
723 | case OPTION_VERSION: |
724 | /* This output is intended to follow the GNU standards document. */ | |
6c19f338 | 725 | printf (_("GNU assembler %s\n"), BFD_VERSION_STRING); |
fd67aa11 | 726 | printf (_("Copyright (C) 2024 Free Software Foundation, Inc.\n")); |
252b5132 RH |
727 | printf (_("\ |
728 | This program is free software; you may redistribute it under the terms of\n\ | |
ec2655a6 NC |
729 | the GNU General Public License version 3 or later.\n\ |
730 | This program has absolutely no warranty.\n")); | |
9004b6bd AB |
731 | #ifdef TARGET_WITH_CPU |
732 | printf (_("This assembler was configured for a target of `%s' " | |
733 | "and default,\ncpu type `%s'.\n"), | |
734 | TARGET_ALIAS, TARGET_WITH_CPU); | |
735 | #else | |
252b5132 RH |
736 | printf (_("This assembler was configured for a target of `%s'.\n"), |
737 | TARGET_ALIAS); | |
9004b6bd | 738 | #endif |
252b5132 RH |
739 | exit (EXIT_SUCCESS); |
740 | ||
741 | case OPTION_EMULATION: | |
742 | #ifdef USE_EMULATIONS | |
743 | if (strcmp (optarg, this_emulation->name)) | |
744 | as_fatal (_("multiple emulation names specified")); | |
745 | #else | |
746 | as_fatal (_("emulations not handled in this configuration")); | |
747 | #endif | |
748 | break; | |
749 | ||
750 | case OPTION_DUMPCONFIG: | |
751 | fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS); | |
752 | fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL); | |
753 | fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU); | |
754 | #ifdef TARGET_OBJ_FORMAT | |
755 | fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT); | |
756 | #endif | |
757 | #ifdef TARGET_FORMAT | |
758 | fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT); | |
759 | #endif | |
760 | exit (EXIT_SUCCESS); | |
761 | ||
0acf065b | 762 | case OPTION_COMPRESS_DEBUG: |
151411f8 L |
763 | if (optarg) |
764 | { | |
765 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF | |
857bddbe ML |
766 | flag_compress_debug = bfd_get_compression_algorithm (optarg); |
767 | #ifndef HAVE_ZSTD | |
768 | if (flag_compress_debug == COMPRESS_DEBUG_ZSTD) | |
2cac01e3 FS |
769 | as_fatal (_ ("--compress-debug-sections=zstd: gas is not " |
770 | "built with zstd support")); | |
771 | #endif | |
857bddbe | 772 | if (flag_compress_debug == COMPRESS_UNKNOWN) |
151411f8 L |
773 | as_fatal (_("Invalid --compress-debug-sections option: `%s'"), |
774 | optarg); | |
775 | #else | |
776 | as_fatal (_("--compress-debug-sections=%s is unsupported"), | |
777 | optarg); | |
778 | #endif | |
779 | } | |
780 | else | |
e9339bee | 781 | flag_compress_debug = DEFAULT_COMPRESSED_DEBUG_ALGORITHM; |
0acf065b CC |
782 | break; |
783 | ||
784 | case OPTION_NOCOMPRESS_DEBUG: | |
151411f8 | 785 | flag_compress_debug = COMPRESS_DEBUG_NONE; |
0acf065b CC |
786 | break; |
787 | ||
3d6b762c JM |
788 | case OPTION_DEBUG_PREFIX_MAP: |
789 | add_debug_prefix_map (optarg); | |
790 | break; | |
791 | ||
252b5132 RH |
792 | case OPTION_DEFSYM: |
793 | { | |
794 | char *s; | |
a38cf1db | 795 | valueT i; |
252b5132 RH |
796 | struct defsym_list *n; |
797 | ||
798 | for (s = optarg; *s != '\0' && *s != '='; s++) | |
799 | ; | |
800 | if (*s == '\0') | |
801 | as_fatal (_("bad defsym; format is --defsym name=value")); | |
802 | *s++ = '\0'; | |
a38cf1db | 803 | i = bfd_scan_vma (s, (const char **) NULL, 0); |
add39d23 | 804 | n = XNEW (struct defsym_list); |
252b5132 RH |
805 | n->next = defsyms; |
806 | n->name = optarg; | |
807 | n->value = i; | |
808 | defsyms = n; | |
809 | } | |
810 | break; | |
811 | ||
732f54cd | 812 | #ifdef HAVE_ITBL_CPU |
252b5132 RH |
813 | case 't': |
814 | { | |
76b0a8c0 KH |
815 | /* optarg is the name of the file containing the instruction |
816 | formats, opcodes, register names, etc. */ | |
252b5132 RH |
817 | if (optarg == NULL) |
818 | { | |
0e389e77 | 819 | as_warn (_("no file name following -t option")); |
252b5132 RH |
820 | break; |
821 | } | |
76b0a8c0 | 822 | |
252b5132 | 823 | /* Parse the file and add the new instructions to our internal |
76b0a8c0 KH |
824 | table. If multiple instruction tables are specified, the |
825 | information from this table gets appended onto the existing | |
826 | internal table. */ | |
f1307e43 | 827 | if (itbl_parse (optarg) != 0) |
0e389e77 | 828 | as_fatal (_("failed to read instruction table %s\n"), |
f1307e43 | 829 | optarg); |
252b5132 RH |
830 | } |
831 | break; | |
732f54cd | 832 | #endif |
252b5132 RH |
833 | |
834 | case OPTION_DEPFILE: | |
835 | start_dependencies (optarg); | |
836 | break; | |
837 | ||
329e276d | 838 | case 'g': |
8f94ae4d NC |
839 | /* Some backends, eg Alpha and Mips, use the -g switch for their |
840 | own purposes. So we check here for an explicit -g and allow | |
329e276d NC |
841 | the backend to decide if it wants to process it. */ |
842 | if ( old_argv[optind - 1][1] == 'g' | |
329e276d NC |
843 | && md_parse_option (optc, optarg)) |
844 | continue; | |
845 | ||
4a5700b6 MW |
846 | /* We end up here for any -gsomething-not-already-a-long-option. |
847 | give some useful feedback on not (yet) supported -gdwarfxxx | |
848 | versions/sections/options. */ | |
d34049e8 | 849 | if (startswith (old_argv[optind - 1], "-gdwarf")) |
4a5700b6 | 850 | as_fatal (_("unknown DWARF option %s\n"), old_argv[optind - 1]); |
6ea673e2 L |
851 | else if (old_argv[optind - 1][1] == 'g' && optarg != NULL) |
852 | as_fatal (_("unknown option `%s'"), old_argv[optind - 1]); | |
4a5700b6 | 853 | |
329e276d NC |
854 | if (md_debug_format_selector) |
855 | debug_type = md_debug_format_selector (& use_gnu_debug_info_extensions); | |
856 | else if (IS_ELF) | |
31bf1864 NC |
857 | { |
858 | debug_type = DEBUG_DWARF2; | |
859 | dwarf_level = 2; | |
860 | } | |
329e276d NC |
861 | else |
862 | debug_type = DEBUG_STABS; | |
863 | break; | |
864 | ||
05da4302 NC |
865 | case OPTION_GSTABS_PLUS: |
866 | use_gnu_debug_info_extensions = 1; | |
867 | /* Fall through. */ | |
252b5132 RH |
868 | case OPTION_GSTABS: |
869 | debug_type = DEBUG_STABS; | |
870 | break; | |
76b0a8c0 | 871 | |
31bf1864 NC |
872 | case OPTION_GDWARF_2: |
873 | debug_type = DEBUG_DWARF2; | |
874 | dwarf_level = 2; | |
875 | break; | |
876 | ||
877 | case OPTION_GDWARF_3: | |
878 | debug_type = DEBUG_DWARF2; | |
879 | dwarf_level = 3; | |
880 | break; | |
881 | ||
882 | case OPTION_GDWARF_4: | |
fac0d250 | 883 | debug_type = DEBUG_DWARF2; |
31bf1864 NC |
884 | dwarf_level = 4; |
885 | break; | |
886 | ||
887 | case OPTION_GDWARF_5: | |
888 | debug_type = DEBUG_DWARF2; | |
889 | dwarf_level = 5; | |
fac0d250 RH |
890 | break; |
891 | ||
b40bf0a2 | 892 | case OPTION_GDWARF_SECTIONS: |
5b7c81bd | 893 | flag_dwarf_sections = true; |
b40bf0a2 NC |
894 | break; |
895 | ||
0b7186b9 | 896 | #if defined (TE_PE) && defined (O_secrel) |
ba646820 MH |
897 | case OPTION_GCODEVIEW: |
898 | debug_type = DEBUG_CODEVIEW; | |
899 | break; | |
900 | #endif | |
901 | ||
66f8b2cb AB |
902 | case OPTION_GDWARF_CIE_VERSION: |
903 | flag_dwarf_cie_version = atoi (optarg); | |
904 | /* The available CIE versions are 1 (DWARF 2), 3 (DWARF 3), and 4 | |
905 | (DWARF 4 and 5). */ | |
906 | if (flag_dwarf_cie_version < 1 | |
907 | || flag_dwarf_cie_version == 2 | |
908 | || flag_dwarf_cie_version > 4) | |
909 | as_fatal (_("Invalid --gdwarf-cie-version `%s'"), optarg); | |
31bf1864 NC |
910 | switch (flag_dwarf_cie_version) |
911 | { | |
912 | case 1: | |
913 | if (dwarf_level < 2) | |
914 | dwarf_level = 2; | |
915 | break; | |
916 | case 3: | |
917 | if (dwarf_level < 3) | |
918 | dwarf_level = 3; | |
919 | break; | |
920 | default: | |
921 | if (dwarf_level < 4) | |
922 | dwarf_level = 4; | |
923 | break; | |
924 | } | |
66f8b2cb AB |
925 | break; |
926 | ||
252b5132 RH |
927 | case 'J': |
928 | flag_signed_overflow_ok = 1; | |
929 | break; | |
930 | ||
931 | #ifndef WORKING_DOT_WORD | |
932 | case 'K': | |
933 | flag_warn_displacement = 1; | |
934 | break; | |
935 | #endif | |
252b5132 RH |
936 | case 'L': |
937 | flag_keep_locals = 1; | |
938 | break; | |
939 | ||
940 | case OPTION_LISTING_LHS_WIDTH: | |
76b0a8c0 | 941 | listing_lhs_width = atoi (optarg); |
252b5132 RH |
942 | if (listing_lhs_width_second < listing_lhs_width) |
943 | listing_lhs_width_second = listing_lhs_width; | |
944 | break; | |
945 | case OPTION_LISTING_LHS_WIDTH2: | |
946 | { | |
76b0a8c0 | 947 | int tmp = atoi (optarg); |
329e276d | 948 | |
252b5132 RH |
949 | if (tmp > listing_lhs_width) |
950 | listing_lhs_width_second = tmp; | |
951 | } | |
952 | break; | |
953 | case OPTION_LISTING_RHS_WIDTH: | |
76b0a8c0 | 954 | listing_rhs_width = atoi (optarg); |
252b5132 RH |
955 | break; |
956 | case OPTION_LISTING_CONT_LINES: | |
76b0a8c0 | 957 | listing_lhs_cont_lines = atoi (optarg); |
252b5132 RH |
958 | break; |
959 | ||
960 | case 'M': | |
961 | flag_mri = 1; | |
962 | #ifdef TC_M68K | |
963 | flag_m68k_mri = 1; | |
964 | #endif | |
965 | break; | |
966 | ||
967 | case 'R': | |
968 | flag_readonly_data_in_text = 1; | |
969 | break; | |
970 | ||
971 | case 'W': | |
972 | flag_no_warnings = 1; | |
973 | break; | |
974 | ||
2bdd6cf5 GK |
975 | case OPTION_WARN: |
976 | flag_no_warnings = 0; | |
977 | flag_fatal_warnings = 0; | |
978 | break; | |
979 | ||
980 | case OPTION_WARN_FATAL: | |
981 | flag_no_warnings = 0; | |
982 | flag_fatal_warnings = 1; | |
983 | break; | |
984 | ||
7be1c489 | 985 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
986 | case OPTION_EXECSTACK: |
987 | flag_execstack = 1; | |
988 | flag_noexecstack = 0; | |
989 | break; | |
990 | ||
991 | case OPTION_NOEXECSTACK: | |
992 | flag_noexecstack = 1; | |
993 | flag_execstack = 0; | |
994 | break; | |
21be61f5 | 995 | |
ad9bd833 IB |
996 | # if defined (TARGET_USE_SCFI) && defined (TARGET_USE_GINSN) |
997 | case OPTION_SCFI: | |
998 | if (optarg && strcasecmp (optarg, "experimental") == 0) | |
999 | flag_synth_cfi = SYNTH_CFI_EXPERIMENTAL; | |
1000 | else | |
1001 | as_fatal (_("Invalid --scfi= option: `%s'; suggested option: experimental"), | |
1002 | optarg); | |
1003 | break; | |
1004 | # endif | |
1005 | ||
21be61f5 L |
1006 | case OPTION_SIZE_CHECK: |
1007 | if (strcasecmp (optarg, "error") == 0) | |
5b7c81bd | 1008 | flag_allow_nonconst_size = false; |
21be61f5 | 1009 | else if (strcasecmp (optarg, "warning") == 0) |
5b7c81bd | 1010 | flag_allow_nonconst_size = true; |
21be61f5 L |
1011 | else |
1012 | as_fatal (_("Invalid --size-check= option: `%s'"), optarg); | |
1013 | break; | |
451133ce | 1014 | |
b8871f35 L |
1015 | case OPTION_ELF_STT_COMMON: |
1016 | if (strcasecmp (optarg, "no") == 0) | |
1017 | flag_use_elf_stt_common = 0; | |
1018 | else if (strcasecmp (optarg, "yes") == 0) | |
1019 | flag_use_elf_stt_common = 1; | |
1020 | else | |
1021 | as_fatal (_("Invalid --elf-stt-common= option: `%s'"), | |
1022 | optarg); | |
1023 | break; | |
1024 | ||
451133ce NP |
1025 | case OPTION_SECTNAME_SUBST: |
1026 | flag_sectname_subst = 1; | |
1027 | break; | |
0df8ad28 NC |
1028 | |
1029 | case OPTION_ELF_BUILD_NOTES: | |
1030 | if (strcasecmp (optarg, "no") == 0) | |
5b7c81bd | 1031 | flag_generate_build_notes = false; |
0df8ad28 | 1032 | else if (strcasecmp (optarg, "yes") == 0) |
5b7c81bd | 1033 | flag_generate_build_notes = true; |
0df8ad28 NC |
1034 | else |
1035 | as_fatal (_("Invalid --generate-missing-build-notes option: `%s'"), | |
1036 | optarg); | |
1037 | break; | |
1038 | ||
b07a2978 IB |
1039 | case OPTION_SFRAME: |
1040 | flag_gen_sframe = 1; | |
1041 | break; | |
1042 | ||
0df8ad28 NC |
1043 | #endif /* OBJ_ELF */ |
1044 | ||
252b5132 RH |
1045 | case 'Z': |
1046 | flag_always_generate_output = 1; | |
1047 | break; | |
1048 | ||
5a14ab23 L |
1049 | case OPTION_AL: |
1050 | listing |= LISTING_LISTING; | |
1051 | if (optarg) | |
af3d7ab7 | 1052 | listing_filename = notes_strdup (optarg); |
5a14ab23 L |
1053 | break; |
1054 | ||
caa32fe5 NC |
1055 | case OPTION_ALTERNATE: |
1056 | optarg = old_argv [optind - 1]; | |
1057 | while (* optarg == '-') | |
1058 | optarg ++; | |
1059 | ||
1060 | if (strcmp (optarg, "alternate") == 0) | |
1061 | { | |
1062 | flag_macro_alternate = 1; | |
1063 | break; | |
1064 | } | |
1065 | optarg ++; | |
1066 | /* Fall through. */ | |
1067 | ||
252b5132 RH |
1068 | case 'a': |
1069 | if (optarg) | |
1070 | { | |
fb767913 NC |
1071 | if (optarg != old_argv[optind] && optarg[-1] == '=') |
1072 | --optarg; | |
1073 | ||
7f6d05e8 CP |
1074 | if (md_parse_option (optc, optarg) != 0) |
1075 | break; | |
1076 | ||
252b5132 RH |
1077 | while (*optarg) |
1078 | { | |
1079 | switch (*optarg) | |
1080 | { | |
1081 | case 'c': | |
1082 | listing |= LISTING_NOCOND; | |
1083 | break; | |
1084 | case 'd': | |
1085 | listing |= LISTING_NODEBUG; | |
1086 | break; | |
83f10cb2 NC |
1087 | case 'g': |
1088 | listing |= LISTING_GENERAL; | |
1089 | break; | |
252b5132 RH |
1090 | case 'h': |
1091 | listing |= LISTING_HLL; | |
1092 | break; | |
c7defc53 IB |
1093 | case 'i': |
1094 | listing |= LISTING_GINSN_SCFI; | |
1095 | break; | |
252b5132 RH |
1096 | case 'l': |
1097 | listing |= LISTING_LISTING; | |
1098 | break; | |
1099 | case 'm': | |
1100 | listing |= LISTING_MACEXP; | |
1101 | break; | |
1102 | case 'n': | |
1103 | listing |= LISTING_NOFORM; | |
1104 | break; | |
1105 | case 's': | |
1106 | listing |= LISTING_SYMBOLS; | |
1107 | break; | |
1108 | case '=': | |
af3d7ab7 | 1109 | listing_filename = notes_strdup (optarg + 1); |
252b5132 RH |
1110 | optarg += strlen (listing_filename); |
1111 | break; | |
1112 | default: | |
1113 | as_fatal (_("invalid listing option `%c'"), *optarg); | |
1114 | break; | |
1115 | } | |
1116 | optarg++; | |
1117 | } | |
1118 | } | |
1119 | if (!listing) | |
1120 | listing = LISTING_DEFAULT; | |
1121 | break; | |
1122 | ||
1123 | case 'D': | |
76b0a8c0 KH |
1124 | /* DEBUG is implemented: it debugs different |
1125 | things from other people's assemblers. */ | |
252b5132 RH |
1126 | flag_debug = 1; |
1127 | break; | |
1128 | ||
1129 | case 'f': | |
1130 | flag_no_comments = 1; | |
1131 | break; | |
1132 | ||
1133 | case 'I': | |
76b0a8c0 | 1134 | { /* Include file directory. */ |
af3d7ab7 | 1135 | char *temp = notes_strdup (optarg); |
329e276d | 1136 | |
252b5132 RH |
1137 | add_include_dir (temp); |
1138 | break; | |
1139 | } | |
1140 | ||
1141 | case 'o': | |
af3d7ab7 | 1142 | out_file_name = notes_strdup (optarg); |
252b5132 RH |
1143 | break; |
1144 | ||
1145 | case 'w': | |
1146 | break; | |
1147 | ||
1148 | case 'X': | |
76b0a8c0 | 1149 | /* -X means treat warnings as errors. */ |
252b5132 | 1150 | break; |
4bdd3565 NC |
1151 | |
1152 | case OPTION_REDUCE_MEMORY_OVERHEADS: | |
4bdd3565 NC |
1153 | break; |
1154 | ||
1155 | case OPTION_HASH_TABLE_SIZE: | |
a0522545 | 1156 | break; |
252b5132 RH |
1157 | } |
1158 | } | |
1159 | ||
1160 | free (shortopts); | |
1161 | free (longopts); | |
1162 | ||
1163 | *pargc = new_argc; | |
1164 | *pargv = new_argv; | |
acebd4ce AS |
1165 | |
1166 | #ifdef md_after_parse_args | |
1167 | md_after_parse_args (); | |
1168 | #endif | |
252b5132 RH |
1169 | } |
1170 | ||
33948635 NC |
1171 | static void |
1172 | dump_statistics (void) | |
1173 | { | |
33948635 NC |
1174 | long run_time = get_run_time () - start_time; |
1175 | ||
1176 | fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"), | |
1177 | myname, run_time / 1000000, run_time % 1000000); | |
252b5132 | 1178 | |
33948635 NC |
1179 | subsegs_print_statistics (stderr); |
1180 | write_print_statistics (stderr); | |
1181 | symbol_print_statistics (stderr); | |
1182 | read_print_statistics (stderr); | |
1183 | ||
1184 | #ifdef tc_print_statistics | |
1185 | tc_print_statistics (stderr); | |
1186 | #endif | |
1187 | ||
1188 | #ifdef obj_print_statistics | |
1189 | obj_print_statistics (stderr); | |
1190 | #endif | |
1191 | } | |
33948635 NC |
1192 | \f |
1193 | /* Here to attempt 1 pass over each input file. | |
1194 | We scan argv[*] looking for filenames or exactly "" which is | |
1195 | shorthand for stdin. Any argv that is NULL is not a file-name. | |
1196 | We set need_pass_2 TRUE if, after this, we still have unresolved | |
1197 | expressions of the form (unknown value)+-(unknown value). | |
1198 | ||
1199 | Note the un*x semantics: there is only 1 logical input file, but it | |
1200 | may be a catenation of many 'physical' input files. */ | |
1201 | ||
1202 | static void | |
1203 | perform_an_assembly_pass (int argc, char ** argv) | |
1204 | { | |
1205 | int saw_a_file = 0; | |
bcf0aac6 | 1206 | #ifndef OBJ_MACH_O |
33948635 | 1207 | flagword applicable; |
bcf0aac6 | 1208 | #endif |
33948635 NC |
1209 | |
1210 | need_pass_2 = 0; | |
1211 | ||
bcf0aac6 | 1212 | #ifndef OBJ_MACH_O |
33948635 NC |
1213 | /* Create the standard sections, and those the assembler uses |
1214 | internally. */ | |
1215 | text_section = subseg_new (TEXT_SECTION_NAME, 0); | |
1216 | data_section = subseg_new (DATA_SECTION_NAME, 0); | |
1217 | bss_section = subseg_new (BSS_SECTION_NAME, 0); | |
1218 | /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed | |
1219 | to have relocs, otherwise we don't find out in time. */ | |
1220 | applicable = bfd_applicable_section_flags (stdoutput); | |
fd361982 | 1221 | bfd_set_section_flags (text_section, |
33948635 NC |
1222 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
1223 | | SEC_CODE | SEC_READONLY)); | |
fd361982 | 1224 | bfd_set_section_flags (data_section, |
33948635 NC |
1225 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
1226 | | SEC_DATA)); | |
fd361982 | 1227 | bfd_set_section_flags (bss_section, applicable & SEC_ALLOC); |
33948635 | 1228 | seg_info (bss_section)->bss = 1; |
bcf0aac6 | 1229 | #endif |
33948635 NC |
1230 | subseg_new (BFD_ABS_SECTION_NAME, 0); |
1231 | subseg_new (BFD_UND_SECTION_NAME, 0); | |
1232 | reg_section = subseg_new ("*GAS `reg' section*", 0); | |
1233 | expr_section = subseg_new ("*GAS `expr' section*", 0); | |
1234 | ||
bcf0aac6 | 1235 | #ifndef OBJ_MACH_O |
33948635 | 1236 | subseg_set (text_section, 0); |
bcf0aac6 | 1237 | #endif |
33948635 NC |
1238 | |
1239 | /* This may add symbol table entries, which requires having an open BFD, | |
7be1c489 | 1240 | and sections already created. */ |
33948635 NC |
1241 | md_begin (); |
1242 | ||
1243 | #ifdef USING_CGEN | |
1244 | gas_cgen_begin (); | |
1245 | #endif | |
1246 | #ifdef obj_begin | |
1247 | obj_begin (); | |
1248 | #endif | |
1249 | ||
1250 | /* Skip argv[0]. */ | |
1251 | argv++; | |
1252 | argc--; | |
1253 | ||
1254 | while (argc--) | |
1255 | { | |
1256 | if (*argv) | |
1257 | { /* Is it a file-name argument? */ | |
33948635 NC |
1258 | saw_a_file++; |
1259 | /* argv->"" if stdin desired, else->filename. */ | |
1260 | read_a_source_file (*argv); | |
1261 | } | |
1262 | argv++; /* Completed that argv. */ | |
1263 | } | |
1264 | if (!saw_a_file) | |
1265 | read_a_source_file (""); | |
1266 | } | |
af3d7ab7 AM |
1267 | |
1268 | static void | |
1269 | free_notes (void) | |
1270 | { | |
1271 | _obstack_free (¬es, NULL); | |
1272 | } | |
a80076a1 | 1273 | |
103357fb | 1274 | /* Early initialisation, before gas prints messages. */ |
252b5132 | 1275 | |
103357fb AM |
1276 | static void |
1277 | gas_early_init (int *argcp, char ***argvp) | |
1278 | { | |
252b5132 | 1279 | start_time = get_run_time (); |
1ec4b9f2 | 1280 | signal_init (); |
252b5132 | 1281 | |
23d61380 | 1282 | #ifdef HAVE_LC_MESSAGES |
252b5132 | 1283 | setlocale (LC_MESSAGES, ""); |
3882b010 | 1284 | #endif |
3882b010 | 1285 | setlocale (LC_CTYPE, ""); |
252b5132 RH |
1286 | bindtextdomain (PACKAGE, LOCALEDIR); |
1287 | textdomain (PACKAGE); | |
1288 | ||
1289 | if (debug_memory) | |
091e58c1 | 1290 | chunksize = 64; |
252b5132 | 1291 | |
252b5132 RH |
1292 | #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME |
1293 | #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out" | |
1294 | #endif | |
1295 | ||
1296 | out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME; | |
1297 | ||
1298 | hex_init (); | |
bf2dd8d7 AM |
1299 | if (bfd_init () != BFD_INIT_MAGIC) |
1300 | as_fatal (_("libbfd ABI mismatch")); | |
103357fb AM |
1301 | |
1302 | obstack_begin (¬es, chunksize); | |
1303 | xatexit (free_notes); | |
1304 | ||
1305 | myname = **argvp; | |
1306 | xmalloc_set_program_name (myname); | |
252b5132 | 1307 | bfd_set_error_program_name (myname); |
103357fb AM |
1308 | |
1309 | expandargv (argcp, argvp); | |
1310 | ||
adb9ac5f AM |
1311 | init_include_dir (); |
1312 | ||
103357fb AM |
1313 | #ifdef HOST_SPECIAL_INIT |
1314 | HOST_SPECIAL_INIT (*argcp, *argvp); | |
1315 | #endif | |
252b5132 RH |
1316 | |
1317 | #ifdef USE_EMULATIONS | |
103357fb | 1318 | select_emulation_mode (*argcp, *argvp); |
252b5132 | 1319 | #endif |
103357fb | 1320 | } |
af3d7ab7 | 1321 | |
7f27b6b1 | 1322 | /* The bulk of gas initialisation. This is after args are parsed. */ |
103357fb AM |
1323 | |
1324 | static void | |
7f27b6b1 | 1325 | gas_init (void) |
103357fb AM |
1326 | { |
1327 | symbol_begin (); | |
1328 | frag_init (); | |
1329 | subsegs_begin (); | |
1330 | read_begin (); | |
1331 | input_scrub_begin (); | |
1332 | expr_begin (); | |
4148b4fe | 1333 | eh_begin (); |
103357fb | 1334 | |
1250cd63 | 1335 | macro_init (); |
252b5132 | 1336 | |
103357fb AM |
1337 | dwarf2_init (); |
1338 | ||
7f27b6b1 AM |
1339 | local_symbol_make (".gasversion.", absolute_section, |
1340 | &predefined_address_frag, BFD_VERSION / 10000UL); | |
1341 | ||
1342 | /* Note: Put new initialisation calls that don't depend on stdoutput | |
1343 | being open above this point. stdoutput must be open for anything | |
1344 | that might use stdoutput objalloc memory, eg. calling bfd_alloc | |
1345 | or creating global symbols (via bfd_make_empty_symbol). */ | |
1346 | xatexit (output_file_close); | |
1347 | output_file_create (out_file_name); | |
1348 | gas_assert (stdoutput != 0); | |
1349 | ||
1350 | /* Must be called before output_file_close. xexit calls the xatexit | |
1351 | list in reverse order. */ | |
1352 | if (flag_print_statistics) | |
1353 | xatexit (dump_statistics); | |
1354 | ||
103357fb AM |
1355 | dot_symbol_init (); |
1356 | ||
1357 | #ifdef tc_init_after_args | |
1358 | tc_init_after_args (); | |
1359 | #endif | |
1360 | ||
1361 | itbl_init (); | |
1362 | ||
103357fb AM |
1363 | /* Now that we have fully initialized, and have created the output |
1364 | file, define any symbols requested by --defsym command line | |
1365 | arguments. */ | |
1366 | while (defsyms != NULL) | |
1367 | { | |
1368 | symbolS *sym; | |
1369 | struct defsym_list *next; | |
1370 | ||
1371 | sym = symbol_new (defsyms->name, absolute_section, | |
1372 | &zero_address_frag, defsyms->value); | |
1373 | /* Make symbols defined on the command line volatile, so that they | |
1374 | can be redefined inside a source file. This makes this assembler's | |
1375 | behaviour compatible with earlier versions, but it may not be | |
1376 | completely intuitive. */ | |
1377 | S_SET_VOLATILE (sym); | |
1378 | symbol_table_insert (sym); | |
1379 | next = defsyms->next; | |
1380 | free (defsyms); | |
1381 | defsyms = next; | |
1382 | } | |
1383 | } | |
1384 | ||
1385 | int | |
1386 | main (int argc, char ** argv) | |
1387 | { | |
1388 | char ** argv_orig = argv; | |
1389 | struct stat sob; | |
1390 | ||
1391 | gas_early_init (&argc, &argv); | |
103357fb | 1392 | |
7f27b6b1 | 1393 | /* Call parse_args before gas_init so that switches like |
103357fb | 1394 | --hash-size can be honored. */ |
f7a568ea | 1395 | parse_args (&argc, &argv); |
67f846b5 JD |
1396 | |
1397 | if (argc > 1 && stat (out_file_name, &sob) == 0) | |
1398 | { | |
1399 | int i; | |
1400 | ||
1401 | for (i = 1; i < argc; ++i) | |
1402 | { | |
1403 | struct stat sib; | |
1404 | ||
2a50366d RY |
1405 | /* Check that the input file and output file are different. */ |
1406 | if (stat (argv[i], &sib) == 0 | |
1407 | && sib.st_ino == sob.st_ino | |
1408 | /* POSIX emulating systems may support stat() but if the | |
1409 | underlying file system does not support a file serial number | |
1410 | of some kind then they will return 0 for the inode. So | |
1411 | two files with an inode of 0 may not actually be the same. | |
1412 | On real POSIX systems no ordinary file will ever have an | |
1413 | inode of 0. */ | |
1414 | && sib.st_ino != 0 | |
1415 | /* Different files may have the same inode number if they | |
1416 | reside on different devices, so check the st_dev field as | |
1417 | well. */ | |
3c968de5 NC |
1418 | && sib.st_dev == sob.st_dev |
1419 | /* PR 25572: Only check regular files. Devices, sockets and so | |
1420 | on might actually work as both input and output. Plus there | |
1421 | is a use case for using /dev/null as both input and output | |
1422 | when checking for command line option support in a script: | |
1423 | as --foo /dev/null -o /dev/null; if $? then ... */ | |
1424 | && S_ISREG (sib.st_mode)) | |
67f846b5 | 1425 | { |
2a50366d RY |
1426 | const char *saved_out_file_name = out_file_name; |
1427 | ||
1428 | /* Don't let as_fatal remove the output file! */ | |
1429 | out_file_name = NULL; | |
1430 | as_fatal (_("The input '%s' and output '%s' files are the same"), | |
1431 | argv[i], saved_out_file_name); | |
67f846b5 JD |
1432 | } |
1433 | } | |
1434 | } | |
1435 | ||
7f27b6b1 | 1436 | gas_init (); |
252b5132 | 1437 | |
76b0a8c0 KH |
1438 | /* Assemble it. */ |
1439 | perform_an_assembly_pass (argc, argv); | |
252b5132 RH |
1440 | |
1441 | cond_finish_check (-1); | |
1442 | ||
ed2917de AM |
1443 | #ifdef md_finish |
1444 | md_finish (); | |
252b5132 | 1445 | #endif |
104d59d1 | 1446 | |
7be1c489 | 1447 | #if defined OBJ_ELF || defined OBJ_MAYBE_ELF |
68d55fe3 JJ |
1448 | if ((flag_execstack || flag_noexecstack) |
1449 | && OUTPUT_FLAVOR == bfd_target_elf_flavour) | |
1450 | { | |
1451 | segT gnustack; | |
1452 | ||
1453 | gnustack = subseg_new (".note.GNU-stack", 0); | |
fd361982 | 1454 | bfd_set_section_flags (gnustack, |
68d55fe3 | 1455 | SEC_READONLY | (flag_execstack ? SEC_CODE : 0)); |
34bca508 | 1456 | |
68d55fe3 JJ |
1457 | } |
1458 | #endif | |
1459 | ||
ba646820 MH |
1460 | codeview_finish (); |
1461 | ||
43ad3147 | 1462 | /* If we've been collecting dwarf2 .debug_line info, either for |
39bb5fe6 RH |
1463 | assembly debugging or on behalf of the compiler, emit it now. */ |
1464 | dwarf2_finish (); | |
1465 | ||
34bca508 | 1466 | /* If we constructed dwarf2 .eh_frame info, either via .cfi |
a4447b93 | 1467 | directives from the user or by the backend, emit it now. */ |
54cfded0 | 1468 | cfi_finish (); |
54cfded0 | 1469 | |
85024cd8 AM |
1470 | keep_it = 0; |
1471 | if (seen_at_least_1_file ()) | |
1472 | { | |
1473 | int n_warns, n_errs; | |
1474 | char warn_msg[50]; | |
1475 | char err_msg[50]; | |
1476 | ||
1477 | write_object_file (); | |
1478 | ||
1479 | n_warns = had_warnings (); | |
1480 | n_errs = had_errors (); | |
1481 | ||
992a06ee AM |
1482 | sprintf (warn_msg, |
1483 | ngettext ("%d warning", "%d warnings", n_warns), n_warns); | |
1484 | sprintf (err_msg, | |
1485 | ngettext ("%d error", "%d errors", n_errs), n_errs); | |
85024cd8 AM |
1486 | if (flag_fatal_warnings && n_warns != 0) |
1487 | { | |
1488 | if (n_errs == 0) | |
1489 | as_bad (_("%s, treating warnings as errors"), warn_msg); | |
1490 | n_errs += n_warns; | |
1491 | } | |
252b5132 | 1492 | |
85024cd8 AM |
1493 | if (n_errs == 0) |
1494 | keep_it = 1; | |
1495 | else if (flag_always_generate_output) | |
1496 | { | |
1497 | /* The -Z flag indicates that an object file should be generated, | |
1498 | regardless of warnings and errors. */ | |
1499 | keep_it = 1; | |
1500 | fprintf (stderr, _("%s, %s, generating bad object file\n"), | |
1501 | err_msg, warn_msg); | |
1502 | } | |
1503 | } | |
252b5132 | 1504 | |
7f6a71ff JM |
1505 | fflush (stderr); |
1506 | ||
252b5132 | 1507 | #ifndef NO_LISTING |
83f10cb2 | 1508 | listing_print (listing_filename, argv_orig); |
252b5132 RH |
1509 | #endif |
1510 | ||
252b5132 RH |
1511 | input_scrub_end (); |
1512 | ||
252b5132 RH |
1513 | /* Use xexit instead of return, because under VMS environments they |
1514 | may not place the same interpretation on the value given. */ | |
85024cd8 | 1515 | if (had_errors () != 0) |
252b5132 RH |
1516 | xexit (EXIT_FAILURE); |
1517 | ||
1518 | /* Only generate dependency file if assembler was successful. */ | |
1519 | print_dependencies (); | |
1520 | ||
1521 | xexit (EXIT_SUCCESS); | |
1522 | } |