Mercurial > hg > CbC > CbC_gcc
annotate gcc/optc-gen.awk @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | a06113de4d67 |
children | b7f97abdc517 |
rev | line source |
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0 | 1 # Copyright (C) 2003, 2004, 2007, 2008, 2009 Free Software Foundation, Inc. |
2 # Contributed by Kelley Cook, June 2004. | |
3 # Original code from Neil Booth, May 2003. | |
4 # | |
5 # This program is free software; you can redistribute it and/or modify it | |
6 # under the terms of the GNU General Public License as published by the | |
7 # Free Software Foundation; either version 3, or (at your option) any | |
8 # later version. | |
9 # | |
10 # This program is distributed in the hope that it will be useful, | |
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 # GNU General Public License for more details. | |
14 # | |
15 # You should have received a copy of the GNU General Public License | |
16 # along with this program; see the file COPYING3. If not see | |
17 # <http://www.gnu.org/licenses/>. | |
18 | |
19 # This Awk script reads in the option records generated from | |
20 # opt-gather.awk, combines the flags of duplicate options and generates a | |
21 # C file. | |
22 # | |
23 # This program uses functions from opt-functions.awk | |
24 # | |
25 # Usage: awk -f opt-functions.awk -f optc-gen.awk \ | |
26 # [-v header_name=header.h] < inputfile > options.c | |
27 | |
28 BEGIN { | |
29 n_opts = 0 | |
30 n_langs = 0 | |
31 n_target_save = 0 | |
32 quote = "\042" | |
33 comma = "," | |
34 FS=SUBSEP | |
35 # Default the name of header created from opth-gen.awk to options.h | |
36 if (header_name == "") header_name="options.h" | |
37 } | |
38 | |
39 # Collect the text and flags of each option into an array | |
40 { | |
41 if ($1 == "Language") { | |
42 langs[n_langs] = $2 | |
43 n_langs++; | |
44 } | |
45 else if ($1 == "TargetSave") { | |
46 # Make sure the declarations are put in source order | |
47 target_save_decl[n_target_save] = $2 | |
48 n_target_save++ | |
49 } | |
50 else { | |
51 name = opt_args("Mask", $1) | |
52 if (name == "") { | |
53 opts[n_opts] = $1 | |
54 flags[n_opts] = $2 | |
55 help[n_opts] = $3 | |
56 for (i = 4; i <= NF; i++) | |
57 help[n_opts] = help[n_opts] " " $i | |
58 n_opts++; | |
59 } | |
60 } | |
61 } | |
62 | |
63 # Dump that array of options into a C file. | |
64 END { | |
65 print "/* This file is auto-generated by optc-gen.awk. */" | |
66 print "" | |
67 n_headers = split(header_name, headers, " ") | |
68 for (i = 1; i <= n_headers; i++) | |
69 print "#include " quote headers[i] quote | |
70 print "#include " quote "opts.h" quote | |
71 print "#include " quote "intl.h" quote | |
72 print "" | |
73 print "#ifdef GCC_DRIVER" | |
74 print "int target_flags;" | |
75 print "#else" | |
76 print "#include " quote "flags.h" quote | |
77 print "#include " quote "target.h" quote | |
78 print "#endif /* GCC_DRIVER */" | |
79 print "" | |
80 | |
81 have_save = 0; | |
82 for (i = 0; i < n_opts; i++) { | |
83 if (flag_set_p("Save", flags[i])) | |
84 have_save = 1; | |
85 | |
86 name = var_name(flags[i]); | |
87 if (name == "") | |
88 continue; | |
89 | |
90 if (flag_set_p("VarExists", flags[i])) { | |
91 # Need it for the gcc driver. | |
92 if (name in var_seen) | |
93 continue; | |
94 init = "" | |
95 gcc_driver = 1 | |
96 } | |
97 else { | |
98 init = opt_args("Init", flags[i]) | |
99 if (init != "") | |
100 init = " = " init; | |
101 else if (name in var_seen) | |
102 continue; | |
103 gcc_driver = 0 | |
104 } | |
105 | |
106 if (gcc_driver == 1) | |
107 print "#ifdef GCC_DRIVER" | |
108 print "/* Set by -" opts[i] "." | |
109 print " " help[i] " */" | |
110 print var_type(flags[i]) name init ";" | |
111 if (gcc_driver == 1) | |
112 print "#endif /* GCC_DRIVER */" | |
113 print "" | |
114 | |
115 var_seen[name] = 1; | |
116 } | |
117 | |
118 print "" | |
119 print "/* Local state variables. */" | |
120 for (i = 0; i < n_opts; i++) { | |
121 name = static_var(opts[i], flags[i]); | |
122 if (name != "") | |
123 print "static " var_type(flags[i]) name ";" | |
124 } | |
125 print "" | |
126 | |
127 print "const char * const lang_names[] =\n{" | |
128 for (i = 0; i < n_langs; i++) { | |
129 macros[i] = "CL_" langs[i] | |
130 gsub( "[^A-Za-z0-9_]", "X", macros[i] ) | |
131 s = substr(" ", length (macros[i])) | |
132 print " " quote langs[i] quote "," | |
133 } | |
134 | |
135 print " 0\n};\n" | |
136 print "const unsigned int cl_options_count = N_OPTS;\n" | |
137 print "const unsigned int cl_lang_count = " n_langs ";\n" | |
138 | |
139 print "const struct cl_option cl_options[] =\n{" | |
140 | |
141 j = 0 | |
142 for (i = 0; i < n_opts; i++) { | |
143 back_chain[i] = "N_OPTS"; | |
144 indices[opts[i]] = j; | |
145 # Combine the flags of identical switches. Switches | |
146 # appear many times if they are handled by many front | |
147 # ends, for example. | |
148 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { | |
149 flags[i + 1] = flags[i] " " flags[i + 1]; | |
150 if (help[i + 1] == "") | |
151 help[i + 1] = help[i] | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
152 else if (help[i] != "" && help[i + 1] != help[i]) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
153 print "warning: multiple different help strings for " \ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
154 opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
155 | "cat 1>&2" |
0 | 156 i++; |
157 back_chain[i] = "N_OPTS"; | |
158 indices[opts[i]] = j; | |
159 } | |
160 j++; | |
161 } | |
162 | |
163 for (i = 0; i < n_opts; i++) { | |
164 # With identical flags, pick only the last one. The | |
165 # earlier loop ensured that it has all flags merged, | |
166 # and a nonempty help text if one of the texts was nonempty. | |
167 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { | |
168 i++; | |
169 } | |
170 | |
171 len = length (opts[i]); | |
172 enum = "OPT_" opts[i] | |
173 if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=") | |
174 enum = enum "eq" | |
175 gsub ("[^A-Za-z0-9]", "_", enum) | |
176 | |
177 # If this switch takes joined arguments, back-chain all | |
178 # subsequent switches to it for which it is a prefix. If | |
179 # a later switch S is a longer prefix of a switch T, T | |
180 # will be back-chained to S in a later iteration of this | |
181 # for() loop, which is what we want. | |
182 if (flag_set_p("Joined.*", flags[i])) { | |
183 for (j = i + 1; j < n_opts; j++) { | |
184 if (substr (opts[j], 1, len) != opts[i]) | |
185 break; | |
186 back_chain[j] = enum; | |
187 } | |
188 } | |
189 | |
190 s = substr(" ", length (opts[i])) | |
191 if (i + 1 == n_opts) | |
192 comma = "" | |
193 | |
194 if (help[i] == "") | |
195 hlp = "0" | |
196 else | |
197 hlp = quote help[i] quote; | |
198 | |
199 neg = opt_args("Negative", flags[i]); | |
200 if (neg != "") | |
201 idx = indices[neg] | |
202 else { | |
203 if (flag_set_p("RejectNegative", flags[i])) | |
204 idx = -1; | |
205 else { | |
206 if (opts[i] ~ "^[Wfm]") | |
207 idx = indices[opts[i]]; | |
208 else | |
209 idx = -1; | |
210 } | |
211 } | |
212 # Split the printf after %u to work around an ia64-hp-hpux11.23 | |
213 # awk bug. | |
214 printf(" { %c-%s%c,\n %s,\n %s, %u,", | |
215 quote, opts[i], quote, hlp, back_chain[i], len) | |
216 printf(" %d,\n", idx) | |
217 condition = opt_args("Condition", flags[i]) | |
218 cl_flags = switch_flags(flags[i]) | |
219 if (condition != "") | |
220 printf("#if %s\n" \ | |
221 " %s,\n" \ | |
222 "#else\n" \ | |
223 " CL_DISABLED,\n" \ | |
224 "#endif\n", | |
225 condition, cl_flags, cl_flags) | |
226 else | |
227 printf(" %s,\n", cl_flags) | |
228 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]), | |
229 var_set(flags[i]), comma) | |
230 } | |
231 | |
232 print "};" | |
233 | |
234 print ""; | |
235 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)" | |
236 print ""; | |
237 print "/* Save optimization variables into a structure. */" | |
238 print "void"; | |
239 print "cl_optimization_save (struct cl_optimization *ptr)"; | |
240 print "{"; | |
241 | |
242 n_opt_char = 2; | |
243 n_opt_short = 0; | |
244 n_opt_int = 0; | |
245 n_opt_other = 0; | |
246 var_opt_char[0] = "optimize"; | |
247 var_opt_char[1] = "optimize_size"; | |
248 var_opt_range["optimize"] = "0, 255"; | |
249 var_opt_range["optimize_size"] = "0, 255"; | |
250 | |
251 # Sort by size to mimic how the structure is laid out to be friendlier to the | |
252 # cache. | |
253 | |
254 for (i = 0; i < n_opts; i++) { | |
255 if (flag_set_p("Optimization", flags[i])) { | |
256 name = var_name(flags[i]) | |
257 if(name == "") | |
258 continue; | |
259 | |
260 if(name in var_opt_seen) | |
261 continue; | |
262 | |
263 var_opt_seen[name]++; | |
264 otype = var_type_struct(flags[i]); | |
265 if (otype ~ "^((un)?signed +)?int *$") | |
266 var_opt_int[n_opt_int++] = name; | |
267 | |
268 else if (otype ~ "^((un)?signed +)?short *$") | |
269 var_opt_short[n_opt_short++] = name; | |
270 | |
271 else if (otype ~ "^((un)?signed +)?char *$") { | |
272 var_opt_char[n_opt_char++] = name; | |
273 if (otype ~ "^unsigned +char *$") | |
274 var_opt_range[name] = "0, 255" | |
275 else if (otype ~ "^signed +char *$") | |
276 var_opt_range[name] = "-128, 127" | |
277 } | |
278 else | |
279 var_opt_other[n_opt_other++] = name; | |
280 } | |
281 } | |
282 | |
283 for (i = 0; i < n_opt_char; i++) { | |
284 name = var_opt_char[i]; | |
285 if (var_opt_range[name] != "") | |
286 print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));"; | |
287 } | |
288 | |
289 print ""; | |
290 for (i = 0; i < n_opt_other; i++) { | |
291 print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";"; | |
292 } | |
293 | |
294 for (i = 0; i < n_opt_int; i++) { | |
295 print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";"; | |
296 } | |
297 | |
298 for (i = 0; i < n_opt_short; i++) { | |
299 print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";"; | |
300 } | |
301 | |
302 for (i = 0; i < n_opt_char; i++) { | |
303 print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";"; | |
304 } | |
305 | |
306 print "}"; | |
307 | |
308 print ""; | |
309 print "/* Restore optimization options from a structure. */"; | |
310 print "void"; | |
311 print "cl_optimization_restore (struct cl_optimization *ptr)"; | |
312 print "{"; | |
313 | |
314 for (i = 0; i < n_opt_other; i++) { | |
315 print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";"; | |
316 } | |
317 | |
318 for (i = 0; i < n_opt_int; i++) { | |
319 print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";"; | |
320 } | |
321 | |
322 for (i = 0; i < n_opt_short; i++) { | |
323 print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";"; | |
324 } | |
325 | |
326 for (i = 0; i < n_opt_char; i++) { | |
327 print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";"; | |
328 } | |
329 | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
330 print " targetm.override_options_after_change ();"; |
0 | 331 print "}"; |
332 | |
333 print ""; | |
334 print "/* Print optimization options from a structure. */"; | |
335 print "void"; | |
336 print "cl_optimization_print (FILE *file,"; | |
337 print " int indent_to,"; | |
338 print " struct cl_optimization *ptr)"; | |
339 print "{"; | |
340 | |
341 print " fputs (\"\\n\", file);"; | |
342 for (i = 0; i < n_opt_other; i++) { | |
343 print " if (ptr->" var_opt_other[i] ")"; | |
344 print " fprintf (file, \"%*s%s (0x%lx)\\n\","; | |
345 print " indent_to, \"\","; | |
346 print " \"" var_opt_other[i] "\","; | |
347 print " (unsigned long)ptr->" var_opt_other[i] ");"; | |
348 print ""; | |
349 } | |
350 | |
351 for (i = 0; i < n_opt_int; i++) { | |
352 print " if (ptr->" var_opt_int[i] ")"; | |
353 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
354 print " indent_to, \"\","; | |
355 print " \"" var_opt_int[i] "\","; | |
356 print " ptr->" var_opt_int[i] ");"; | |
357 print ""; | |
358 } | |
359 | |
360 for (i = 0; i < n_opt_short; i++) { | |
361 print " if (ptr->" var_opt_short[i] ")"; | |
362 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
363 print " indent_to, \"\","; | |
364 print " \"" var_opt_short[i] "\","; | |
365 print " ptr->" var_opt_short[i] ");"; | |
366 print ""; | |
367 } | |
368 | |
369 for (i = 0; i < n_opt_char; i++) { | |
370 print " if (ptr->" var_opt_char[i] ")"; | |
371 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
372 print " indent_to, \"\","; | |
373 print " \"" var_opt_char[i] "\","; | |
374 print " ptr->" var_opt_char[i] ");"; | |
375 print ""; | |
376 } | |
377 | |
378 print "}"; | |
379 | |
380 print ""; | |
381 print "/* Save selected option variables into a structure. */" | |
382 print "void"; | |
383 print "cl_target_option_save (struct cl_target_option *ptr)"; | |
384 print "{"; | |
385 | |
386 n_target_char = 0; | |
387 n_target_short = 0; | |
388 n_target_int = 0; | |
389 n_target_other = 0; | |
390 | |
391 if (have_save) { | |
392 for (i = 0; i < n_opts; i++) { | |
393 if (flag_set_p("Save", flags[i])) { | |
394 name = var_name(flags[i]) | |
395 if(name == "") | |
396 name = "target_flags"; | |
397 | |
398 if(name in var_save_seen) | |
399 continue; | |
400 | |
401 var_save_seen[name]++; | |
402 otype = var_type_struct(flags[i]) | |
403 if (otype ~ "^((un)?signed +)?int *$") | |
404 var_target_int[n_target_int++] = name; | |
405 | |
406 else if (otype ~ "^((un)?signed +)?short *$") | |
407 var_target_short[n_target_short++] = name; | |
408 | |
409 else if (otype ~ "^((un)?signed +)?char *$") { | |
410 var_target_char[n_target_char++] = name; | |
411 if (otype ~ "^unsigned +char *$") | |
412 var_target_range[name] = "0, 255" | |
413 else if (otype ~ "^signed +char *$") | |
414 var_target_range[name] = "-128, 127" | |
415 } | |
416 else | |
417 var_target_other[n_target_other++] = name; | |
418 } | |
419 } | |
420 } else { | |
421 var_target_int[n_target_int++] = "target_flags"; | |
422 } | |
423 | |
424 have_assert = 0; | |
425 for (i = 0; i < n_target_char; i++) { | |
426 name = var_target_char[i]; | |
427 if (var_target_range[name] != "") { | |
428 have_assert = 1; | |
429 print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));"; | |
430 } | |
431 } | |
432 | |
433 if (have_assert) | |
434 print ""; | |
435 | |
436 print " if (targetm.target_option.save)"; | |
437 print " targetm.target_option.save (ptr);"; | |
438 print ""; | |
439 | |
440 for (i = 0; i < n_target_other; i++) { | |
441 print " ptr->" var_target_other[i] " = " var_target_other[i] ";"; | |
442 } | |
443 | |
444 for (i = 0; i < n_target_int; i++) { | |
445 print " ptr->" var_target_int[i] " = " var_target_int[i] ";"; | |
446 } | |
447 | |
448 for (i = 0; i < n_target_short; i++) { | |
449 print " ptr->" var_target_short[i] " = " var_target_short[i] ";"; | |
450 } | |
451 | |
452 for (i = 0; i < n_target_char; i++) { | |
453 print " ptr->" var_target_char[i] " = " var_target_char[i] ";"; | |
454 } | |
455 | |
456 print "}"; | |
457 | |
458 print ""; | |
459 print "/* Restore selected current options from a structure. */"; | |
460 print "void"; | |
461 print "cl_target_option_restore (struct cl_target_option *ptr)"; | |
462 print "{"; | |
463 | |
464 for (i = 0; i < n_target_other; i++) { | |
465 print " " var_target_other[i] " = ptr->" var_target_other[i] ";"; | |
466 } | |
467 | |
468 for (i = 0; i < n_target_int; i++) { | |
469 print " " var_target_int[i] " = ptr->" var_target_int[i] ";"; | |
470 } | |
471 | |
472 for (i = 0; i < n_target_short; i++) { | |
473 print " " var_target_short[i] " = ptr->" var_target_short[i] ";"; | |
474 } | |
475 | |
476 for (i = 0; i < n_target_char; i++) { | |
477 print " " var_target_char[i] " = ptr->" var_target_char[i] ";"; | |
478 } | |
479 | |
480 # This must occur after the normal variables in case the code depends on those | |
481 # variables. | |
482 print ""; | |
483 print " if (targetm.target_option.restore)"; | |
484 print " targetm.target_option.restore (ptr);"; | |
485 | |
486 print "}"; | |
487 | |
488 print ""; | |
489 print "/* Print optimization options from a structure. */"; | |
490 print "void"; | |
491 print "cl_target_option_print (FILE *file,"; | |
492 print " int indent,"; | |
493 print " struct cl_target_option *ptr)"; | |
494 print "{"; | |
495 | |
496 print " fputs (\"\\n\", file);"; | |
497 for (i = 0; i < n_target_other; i++) { | |
498 print " if (ptr->" var_target_other[i] ")"; | |
499 print " fprintf (file, \"%*s%s (0x%lx)\\n\","; | |
500 print " indent, \"\","; | |
501 print " \"" var_target_other[i] "\","; | |
502 print " (unsigned long)ptr->" var_target_other[i] ");"; | |
503 print ""; | |
504 } | |
505 | |
506 for (i = 0; i < n_target_int; i++) { | |
507 print " if (ptr->" var_target_int[i] ")"; | |
508 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
509 print " indent, \"\","; | |
510 print " \"" var_target_int[i] "\","; | |
511 print " ptr->" var_target_int[i] ");"; | |
512 print ""; | |
513 } | |
514 | |
515 for (i = 0; i < n_target_short; i++) { | |
516 print " if (ptr->" var_target_short[i] ")"; | |
517 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
518 print " indent, \"\","; | |
519 print " \"" var_target_short[i] "\","; | |
520 print " ptr->" var_target_short[i] ");"; | |
521 print ""; | |
522 } | |
523 | |
524 for (i = 0; i < n_target_char; i++) { | |
525 print " if (ptr->" var_target_char[i] ")"; | |
526 print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
527 print " indent, \"\","; | |
528 print " \"" var_target_char[i] "\","; | |
529 print " ptr->" var_target_char[i] ");"; | |
530 print ""; | |
531 } | |
532 | |
533 print ""; | |
534 print " if (targetm.target_option.print)"; | |
535 print " targetm.target_option.print (file, indent, ptr);"; | |
536 | |
537 print "}"; | |
538 print "#endif"; | |
539 | |
540 } |