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a16d1645 | 1 | # Copyright (C) 2003, 2004, 2007, 2008, 2009 Free Software Foundation, Inc. |
776dc15d KC |
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 | |
9dcd6f09 | 7 | # Free Software Foundation; either version 3, or (at your option) any |
776dc15d KC |
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 | |
9dcd6f09 NC |
16 | # along with this program; see the file COPYING3. If not see |
17 | # <http://www.gnu.org/licenses/>. | |
776dc15d KC |
18 | |
19 | # This Awk script reads in the option records generated from | |
fc54bc84 | 20 | # opt-gather.awk, combines the flags of duplicate options and generates a |
776dc15d KC |
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 | |
ab442df7 | 31 | n_target_save = 0 |
776dc15d KC |
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 | } | |
ab442df7 MM |
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 | } | |
776dc15d | 50 | else { |
fe609b0f EB |
51 | name = opt_args("Mask", $1) |
52 | if (name == "") { | |
53 | opts[n_opts] = $1 | |
54 | flags[n_opts] = $2 | |
55 | help[n_opts] = $3 | |
4d077054 RW |
56 | for (i = 4; i <= NF; i++) |
57 | help[n_opts] = help[n_opts] " " $i | |
fe609b0f EB |
58 | n_opts++; |
59 | } | |
776dc15d KC |
60 | } |
61 | } | |
62 | ||
63 | # Dump that array of options into a C file. | |
64 | END { | |
af47e6ac | 65 | print "/* This file is auto-generated by optc-gen.awk. */" |
776dc15d | 66 | print "" |
aeb70e78 RS |
67 | n_headers = split(header_name, headers, " ") |
68 | for (i = 1; i <= n_headers; i++) | |
69 | print "#include " quote headers[i] quote | |
776dc15d | 70 | print "#include " quote "opts.h" quote |
fb664b5a | 71 | print "#include " quote "intl.h" quote |
776dc15d | 72 | print "" |
8dc3f290 | 73 | print "#ifdef GCC_DRIVER" |
14c7833c | 74 | print "int target_flags;" |
ab442df7 MM |
75 | print "#else" |
76 | print "#include " quote "flags.h" quote | |
77 | print "#include " quote "target.h" quote | |
8dc3f290 | 78 | print "#endif /* GCC_DRIVER */" |
14c7833c | 79 | print "" |
776dc15d | 80 | |
ab442df7 | 81 | have_save = 0; |
776dc15d | 82 | for (i = 0; i < n_opts; i++) { |
ab442df7 MM |
83 | if (flag_set_p("Save", flags[i])) |
84 | have_save = 1; | |
85 | ||
776dc15d KC |
86 | name = var_name(flags[i]); |
87 | if (name == "") | |
88 | continue; | |
89 | ||
14c7833c L |
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 = "" | |
8dc3f290 | 95 | gcc_driver = 1 |
14c7833c L |
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; | |
8dc3f290 | 103 | gcc_driver = 0 |
14c7833c | 104 | } |
a56a0779 | 105 | |
8dc3f290 L |
106 | if (gcc_driver == 1) |
107 | print "#ifdef GCC_DRIVER" | |
55bea00a RS |
108 | print "/* Set by -" opts[i] "." |
109 | print " " help[i] " */" | |
110 | print var_type(flags[i]) name init ";" | |
8dc3f290 L |
111 | if (gcc_driver == 1) |
112 | print "#endif /* GCC_DRIVER */" | |
55bea00a | 113 | print "" |
f7f655c7 DD |
114 | |
115 | var_seen[name] = 1; | |
a56a0779 | 116 | } |
776dc15d | 117 | |
ee133b69 RS |
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 "" | |
776dc15d KC |
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" | |
c662432e | 137 | print "const unsigned int cl_lang_count = " n_langs ";\n" |
776dc15d KC |
138 | |
139 | print "const struct cl_option cl_options[] =\n{" | |
140 | ||
14c7833c L |
141 | j = 0 |
142 | for (i = 0; i < n_opts; i++) { | |
776dc15d | 143 | back_chain[i] = "N_OPTS"; |
14c7833c L |
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]; | |
a16d1645 RW |
150 | if (help[i + 1] == "") |
151 | help[i + 1] = help[i] | |
14c7833c L |
152 | i++; |
153 | back_chain[i] = "N_OPTS"; | |
154 | indices[opts[i]] = j; | |
155 | } | |
156 | j++; | |
157 | } | |
776dc15d | 158 | |
b167666c | 159 | for (i = 0; i < n_opts; i++) { |
a16d1645 RW |
160 | # With identical flags, pick only the last one. The |
161 | # earlier loop ensured that it has all flags merged, | |
162 | # and a nonempty help text if one of the texts was nonempty. | |
b167666c | 163 | while( i + 1 != n_opts && opts[i] == opts[i + 1] ) { |
b167666c RS |
164 | i++; |
165 | } | |
776dc15d | 166 | |
b167666c RS |
167 | len = length (opts[i]); |
168 | enum = "OPT_" opts[i] | |
e8fc888d | 169 | if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=") |
b167666c RS |
170 | enum = enum "eq" |
171 | gsub ("[^A-Za-z0-9]", "_", enum) | |
172 | ||
173 | # If this switch takes joined arguments, back-chain all | |
174 | # subsequent switches to it for which it is a prefix. If | |
175 | # a later switch S is a longer prefix of a switch T, T | |
176 | # will be back-chained to S in a later iteration of this | |
177 | # for() loop, which is what we want. | |
178 | if (flag_set_p("Joined.*", flags[i])) { | |
179 | for (j = i + 1; j < n_opts; j++) { | |
180 | if (substr (opts[j], 1, len) != opts[i]) | |
181 | break; | |
182 | back_chain[j] = enum; | |
776dc15d | 183 | } |
b167666c | 184 | } |
776dc15d | 185 | |
b167666c RS |
186 | s = substr(" ", length (opts[i])) |
187 | if (i + 1 == n_opts) | |
188 | comma = "" | |
776dc15d | 189 | |
b167666c RS |
190 | if (help[i] == "") |
191 | hlp = "0" | |
192 | else | |
193 | hlp = quote help[i] quote; | |
776dc15d | 194 | |
14c7833c L |
195 | neg = opt_args("Negative", flags[i]); |
196 | if (neg != "") | |
197 | idx = indices[neg] | |
198 | else { | |
199 | if (flag_set_p("RejectNegative", flags[i])) | |
200 | idx = -1; | |
201 | else { | |
202 | if (opts[i] ~ "^[Wfm]") | |
203 | idx = indices[opts[i]]; | |
204 | else | |
205 | idx = -1; | |
206 | } | |
207 | } | |
b1c61c7e RW |
208 | # Split the printf after %u to work around an ia64-hp-hpux11.23 |
209 | # awk bug. | |
210 | printf(" { %c-%s%c,\n %s,\n %s, %u,", | |
211 | quote, opts[i], quote, hlp, back_chain[i], len) | |
212 | printf(" %d,\n", idx) | |
aeb70e78 RS |
213 | condition = opt_args("Condition", flags[i]) |
214 | cl_flags = switch_flags(flags[i]) | |
215 | if (condition != "") | |
216 | printf("#if %s\n" \ | |
217 | " %s,\n" \ | |
218 | "#else\n" \ | |
219 | " CL_DISABLED,\n" \ | |
220 | "#endif\n", | |
221 | condition, cl_flags, cl_flags) | |
222 | else | |
223 | printf(" %s,\n", cl_flags) | |
ee133b69 RS |
224 | printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]), |
225 | var_set(flags[i]), comma) | |
776dc15d KC |
226 | } |
227 | ||
228 | print "};" | |
ab442df7 MM |
229 | |
230 | print ""; | |
e62fe68a | 231 | print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)" |
ab442df7 MM |
232 | print ""; |
233 | print "/* Save optimization variables into a structure. */" | |
234 | print "void"; | |
235 | print "cl_optimization_save (struct cl_optimization *ptr)"; | |
236 | print "{"; | |
237 | ||
238 | n_opt_char = 2; | |
239 | n_opt_short = 0; | |
240 | n_opt_int = 0; | |
241 | n_opt_other = 0; | |
242 | var_opt_char[0] = "optimize"; | |
243 | var_opt_char[1] = "optimize_size"; | |
244 | var_opt_range["optimize"] = "0, 255"; | |
245 | var_opt_range["optimize_size"] = "0, 255"; | |
246 | ||
247 | # Sort by size to mimic how the structure is laid out to be friendlier to the | |
248 | # cache. | |
249 | ||
250 | for (i = 0; i < n_opts; i++) { | |
251 | if (flag_set_p("Optimization", flags[i])) { | |
252 | name = var_name(flags[i]) | |
253 | if(name == "") | |
254 | continue; | |
255 | ||
256 | if(name in var_opt_seen) | |
257 | continue; | |
258 | ||
259 | var_opt_seen[name]++; | |
260 | otype = var_type_struct(flags[i]); | |
261 | if (otype ~ "^((un)?signed +)?int *$") | |
262 | var_opt_int[n_opt_int++] = name; | |
263 | ||
264 | else if (otype ~ "^((un)?signed +)?short *$") | |
265 | var_opt_short[n_opt_short++] = name; | |
266 | ||
267 | else if (otype ~ "^((un)?signed +)?char *$") { | |
268 | var_opt_char[n_opt_char++] = name; | |
269 | if (otype ~ "^unsigned +char *$") | |
270 | var_opt_range[name] = "0, 255" | |
271 | else if (otype ~ "^signed +char *$") | |
272 | var_opt_range[name] = "-128, 127" | |
273 | } | |
274 | else | |
275 | var_opt_other[n_opt_other++] = name; | |
276 | } | |
277 | } | |
278 | ||
279 | for (i = 0; i < n_opt_char; i++) { | |
280 | name = var_opt_char[i]; | |
281 | if (var_opt_range[name] != "") | |
282 | print " gcc_assert (IN_RANGE (" name ", " var_opt_range[name] "));"; | |
283 | } | |
284 | ||
285 | print ""; | |
286 | for (i = 0; i < n_opt_other; i++) { | |
287 | print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";"; | |
288 | } | |
289 | ||
290 | for (i = 0; i < n_opt_int; i++) { | |
291 | print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";"; | |
292 | } | |
293 | ||
294 | for (i = 0; i < n_opt_short; i++) { | |
295 | print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";"; | |
296 | } | |
297 | ||
298 | for (i = 0; i < n_opt_char; i++) { | |
299 | print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";"; | |
300 | } | |
301 | ||
302 | print "}"; | |
303 | ||
304 | print ""; | |
305 | print "/* Restore optimization options from a structure. */"; | |
306 | print "void"; | |
307 | print "cl_optimization_restore (struct cl_optimization *ptr)"; | |
308 | print "{"; | |
309 | ||
310 | for (i = 0; i < n_opt_other; i++) { | |
311 | print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";"; | |
312 | } | |
313 | ||
314 | for (i = 0; i < n_opt_int; i++) { | |
315 | print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";"; | |
316 | } | |
317 | ||
318 | for (i = 0; i < n_opt_short; i++) { | |
319 | print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";"; | |
320 | } | |
321 | ||
322 | for (i = 0; i < n_opt_char; i++) { | |
323 | print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";"; | |
324 | } | |
325 | ||
326 | print "}"; | |
327 | ||
328 | print ""; | |
329 | print "/* Print optimization options from a structure. */"; | |
330 | print "void"; | |
331 | print "cl_optimization_print (FILE *file,"; | |
332 | print " int indent_to,"; | |
333 | print " struct cl_optimization *ptr)"; | |
334 | print "{"; | |
335 | ||
336 | print " fputs (\"\\n\", file);"; | |
337 | for (i = 0; i < n_opt_other; i++) { | |
338 | print " if (ptr->" var_opt_other[i] ")"; | |
339 | print " fprintf (file, \"%*s%s (0x%lx)\\n\","; | |
340 | print " indent_to, \"\","; | |
341 | print " \"" var_opt_other[i] "\","; | |
342 | print " (unsigned long)ptr->" var_opt_other[i] ");"; | |
343 | print ""; | |
344 | } | |
345 | ||
346 | for (i = 0; i < n_opt_int; i++) { | |
347 | print " if (ptr->" var_opt_int[i] ")"; | |
348 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
349 | print " indent_to, \"\","; | |
350 | print " \"" var_opt_int[i] "\","; | |
351 | print " ptr->" var_opt_int[i] ");"; | |
352 | print ""; | |
353 | } | |
354 | ||
355 | for (i = 0; i < n_opt_short; i++) { | |
356 | print " if (ptr->" var_opt_short[i] ")"; | |
357 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
358 | print " indent_to, \"\","; | |
359 | print " \"" var_opt_short[i] "\","; | |
360 | print " ptr->" var_opt_short[i] ");"; | |
361 | print ""; | |
362 | } | |
363 | ||
364 | for (i = 0; i < n_opt_char; i++) { | |
365 | print " if (ptr->" var_opt_char[i] ")"; | |
366 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
367 | print " indent_to, \"\","; | |
368 | print " \"" var_opt_char[i] "\","; | |
369 | print " ptr->" var_opt_char[i] ");"; | |
370 | print ""; | |
371 | } | |
372 | ||
373 | print "}"; | |
374 | ||
375 | print ""; | |
376 | print "/* Save selected option variables into a structure. */" | |
377 | print "void"; | |
378 | print "cl_target_option_save (struct cl_target_option *ptr)"; | |
379 | print "{"; | |
380 | ||
381 | n_target_char = 0; | |
382 | n_target_short = 0; | |
383 | n_target_int = 0; | |
384 | n_target_other = 0; | |
385 | ||
386 | if (have_save) { | |
387 | for (i = 0; i < n_opts; i++) { | |
388 | if (flag_set_p("Save", flags[i])) { | |
389 | name = var_name(flags[i]) | |
390 | if(name == "") | |
391 | name = "target_flags"; | |
392 | ||
393 | if(name in var_save_seen) | |
394 | continue; | |
395 | ||
396 | var_save_seen[name]++; | |
397 | otype = var_type_struct(flags[i]) | |
398 | if (otype ~ "^((un)?signed +)?int *$") | |
399 | var_target_int[n_target_int++] = name; | |
400 | ||
401 | else if (otype ~ "^((un)?signed +)?short *$") | |
402 | var_target_short[n_target_short++] = name; | |
403 | ||
404 | else if (otype ~ "^((un)?signed +)?char *$") { | |
405 | var_target_char[n_target_char++] = name; | |
406 | if (otype ~ "^unsigned +char *$") | |
407 | var_target_range[name] = "0, 255" | |
408 | else if (otype ~ "^signed +char *$") | |
409 | var_target_range[name] = "-128, 127" | |
410 | } | |
411 | else | |
412 | var_target_other[n_target_other++] = name; | |
413 | } | |
414 | } | |
415 | } else { | |
416 | var_target_int[n_target_int++] = "target_flags"; | |
417 | } | |
418 | ||
419 | have_assert = 0; | |
420 | for (i = 0; i < n_target_char; i++) { | |
421 | name = var_target_char[i]; | |
422 | if (var_target_range[name] != "") { | |
423 | have_assert = 1; | |
424 | print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));"; | |
425 | } | |
426 | } | |
427 | ||
428 | if (have_assert) | |
429 | print ""; | |
430 | ||
431 | print " if (targetm.target_option.save)"; | |
432 | print " targetm.target_option.save (ptr);"; | |
433 | print ""; | |
434 | ||
435 | for (i = 0; i < n_target_other; i++) { | |
436 | print " ptr->" var_target_other[i] " = " var_target_other[i] ";"; | |
437 | } | |
438 | ||
439 | for (i = 0; i < n_target_int; i++) { | |
440 | print " ptr->" var_target_int[i] " = " var_target_int[i] ";"; | |
441 | } | |
442 | ||
443 | for (i = 0; i < n_target_short; i++) { | |
444 | print " ptr->" var_target_short[i] " = " var_target_short[i] ";"; | |
445 | } | |
446 | ||
447 | for (i = 0; i < n_target_char; i++) { | |
448 | print " ptr->" var_target_char[i] " = " var_target_char[i] ";"; | |
449 | } | |
450 | ||
451 | print "}"; | |
452 | ||
453 | print ""; | |
454 | print "/* Restore selected current options from a structure. */"; | |
455 | print "void"; | |
456 | print "cl_target_option_restore (struct cl_target_option *ptr)"; | |
457 | print "{"; | |
458 | ||
459 | for (i = 0; i < n_target_other; i++) { | |
460 | print " " var_target_other[i] " = ptr->" var_target_other[i] ";"; | |
461 | } | |
462 | ||
463 | for (i = 0; i < n_target_int; i++) { | |
464 | print " " var_target_int[i] " = ptr->" var_target_int[i] ";"; | |
465 | } | |
466 | ||
467 | for (i = 0; i < n_target_short; i++) { | |
468 | print " " var_target_short[i] " = ptr->" var_target_short[i] ";"; | |
469 | } | |
470 | ||
471 | for (i = 0; i < n_target_char; i++) { | |
472 | print " " var_target_char[i] " = ptr->" var_target_char[i] ";"; | |
473 | } | |
474 | ||
475 | # This must occur after the normal variables in case the code depends on those | |
476 | # variables. | |
477 | print ""; | |
478 | print " if (targetm.target_option.restore)"; | |
479 | print " targetm.target_option.restore (ptr);"; | |
480 | ||
481 | print "}"; | |
482 | ||
483 | print ""; | |
484 | print "/* Print optimization options from a structure. */"; | |
485 | print "void"; | |
486 | print "cl_target_option_print (FILE *file,"; | |
487 | print " int indent,"; | |
488 | print " struct cl_target_option *ptr)"; | |
489 | print "{"; | |
490 | ||
491 | print " fputs (\"\\n\", file);"; | |
492 | for (i = 0; i < n_target_other; i++) { | |
493 | print " if (ptr->" var_target_other[i] ")"; | |
494 | print " fprintf (file, \"%*s%s (0x%lx)\\n\","; | |
495 | print " indent, \"\","; | |
496 | print " \"" var_target_other[i] "\","; | |
497 | print " (unsigned long)ptr->" var_target_other[i] ");"; | |
498 | print ""; | |
499 | } | |
500 | ||
501 | for (i = 0; i < n_target_int; i++) { | |
502 | print " if (ptr->" var_target_int[i] ")"; | |
503 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
504 | print " indent, \"\","; | |
505 | print " \"" var_target_int[i] "\","; | |
506 | print " ptr->" var_target_int[i] ");"; | |
507 | print ""; | |
508 | } | |
509 | ||
510 | for (i = 0; i < n_target_short; i++) { | |
511 | print " if (ptr->" var_target_short[i] ")"; | |
512 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
513 | print " indent, \"\","; | |
514 | print " \"" var_target_short[i] "\","; | |
515 | print " ptr->" var_target_short[i] ");"; | |
516 | print ""; | |
517 | } | |
518 | ||
519 | for (i = 0; i < n_target_char; i++) { | |
520 | print " if (ptr->" var_target_char[i] ")"; | |
521 | print " fprintf (file, \"%*s%s (0x%x)\\n\","; | |
522 | print " indent, \"\","; | |
523 | print " \"" var_target_char[i] "\","; | |
524 | print " ptr->" var_target_char[i] ");"; | |
525 | print ""; | |
526 | } | |
527 | ||
528 | print ""; | |
529 | print " if (targetm.target_option.print)"; | |
530 | print " targetm.target_option.print (file, indent, ptr);"; | |
531 | ||
532 | print "}"; | |
533 | print "#endif"; | |
534 | ||
776dc15d | 535 | } |