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.
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
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.
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/>.
19 # This Awk script reads in the option records generated from
20 # opt-gather.awk, combines the flags of duplicate options and generates a
23 # This program uses functions from opt-functions.awk
25 # Usage: awk -f opt-functions.awk -f optc-gen.awk \
26 # [-v header_name=header.h] < inputfile > options.c
35 # Default the name of header created from opth-gen.awk to options.h
36 if (header_name == "") header_name="options.h"
39 # Collect the text and flags of each option into an array
41 if ($1 == "Language") {
45 else if ($1 == "TargetSave") {
46 # Make sure the declarations are put in source order
47 target_save_decl[n_target_save] = $2
51 name = opt_args("Mask", $1)
56 for (i = 4; i <= NF; i++)
57 help[n_opts] = help[n_opts] " " $i
63 # Dump that array of options into a C file.
65 print "/* This file is auto-generated by optc-gen.awk. */"
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
73 print "#ifdef GCC_DRIVER"
74 print "int target_flags;"
76 print "#include " quote "flags.h" quote
77 print "#include " quote "target.h" quote
78 print "#endif /* GCC_DRIVER */"
82 for (i = 0; i < n_opts; i++) {
83 if (flag_set_p("Save", flags[i]))
86 name = var_name(flags[i]);
90 if (flag_set_p("VarExists", flags[i])) {
91 # Need it for the gcc driver.
98 init = opt_args("Init", flags[i])
101 else if (name in var_seen)
107 print "#ifdef GCC_DRIVER"
108 print "/* Set by -" opts[i] "."
109 print " " help[i] " */"
110 print var_type(flags[i]) name init ";"
112 print "#endif /* GCC_DRIVER */"
119 print "/* Local state variables. */"
120 for (i = 0; i < n_opts; i++) {
121 name = static_var(opts[i], flags[i]);
123 print "static " var_type(flags[i]) name ";"
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 ","
136 print "const unsigned int cl_options_count = N_OPTS;\n"
137 print "const unsigned int cl_lang_count = " n_langs ";\n"
139 print "const struct cl_option cl_options[] =\n{"
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
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]
152 else if (help[i] != "" && help[i + 1] != help[i])
153 print "warning: multiple different help strings for " \
154 opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
157 back_chain[i] = "N_OPTS";
158 indices[opts[i]] = j;
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] ) {
171 len = length (opts[i]);
172 enum = "OPT_" opts[i]
173 if (opts[i] == "finline-limit=" || opts[i] == "Wlarger-than=")
175 gsub ("[^A-Za-z0-9]", "_", enum)
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])
186 back_chain[j] = enum;
190 s = substr(" ", length (opts[i]))
197 hlp = quote help[i] quote;
199 neg = opt_args("Negative", flags[i]);
203 if (flag_set_p("RejectNegative", flags[i]))
206 if (opts[i] ~ "^[Wfm]")
207 idx = indices[opts[i]];
212 # Split the printf after %u to work around an ia64-hp-hpux11.23
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])
225 condition, cl_flags, cl_flags)
227 printf(" %s,\n", cl_flags)
228 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
229 var_set(flags[i]), comma)
235 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
237 print "/* Save optimization variables into a structure. */"
239 print "cl_optimization_save (struct cl_optimization *ptr)";
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";
251 # Sort by size to mimic how the structure is laid out to be friendlier to the
254 for (i = 0; i < n_opts; i++) {
255 if (flag_set_p("Optimization", flags[i])) {
256 name = var_name(flags[i])
260 if(name in var_opt_seen)
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;
268 else if (otype ~ "^((un)?signed +)?short *$")
269 var_opt_short[n_opt_short++] = name;
271 else if (otype ~ "^((un)?signed +)?char *$") {
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"
279 var_opt_other[n_opt_other++] = name;
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] "));";
290 for (i = 0; i < n_opt_other; i++) {
291 print " ptr->" var_opt_other[i] " = " var_opt_other[i] ";";
294 for (i = 0; i < n_opt_int; i++) {
295 print " ptr->" var_opt_int[i] " = " var_opt_int[i] ";";
298 for (i = 0; i < n_opt_short; i++) {
299 print " ptr->" var_opt_short[i] " = " var_opt_short[i] ";";
302 for (i = 0; i < n_opt_char; i++) {
303 print " ptr->" var_opt_char[i] " = " var_opt_char[i] ";";
309 print "/* Restore optimization options from a structure. */";
311 print "cl_optimization_restore (struct cl_optimization *ptr)";
314 for (i = 0; i < n_opt_other; i++) {
315 print " " var_opt_other[i] " = ptr->" var_opt_other[i] ";";
318 for (i = 0; i < n_opt_int; i++) {
319 print " " var_opt_int[i] " = ptr->" var_opt_int[i] ";";
322 for (i = 0; i < n_opt_short; i++) {
323 print " " var_opt_short[i] " = ptr->" var_opt_short[i] ";";
326 for (i = 0; i < n_opt_char; i++) {
327 print " " var_opt_char[i] " = ptr->" var_opt_char[i] ";";
333 print "/* Print optimization options from a structure. */";
335 print "cl_optimization_print (FILE *file,";
336 print " int indent_to,";
337 print " struct cl_optimization *ptr)";
340 print " fputs (\"\\n\", file);";
341 for (i = 0; i < n_opt_other; i++) {
342 print " if (ptr->" var_opt_other[i] ")";
343 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
344 print " indent_to, \"\",";
345 print " \"" var_opt_other[i] "\",";
346 print " (unsigned long)ptr->" var_opt_other[i] ");";
350 for (i = 0; i < n_opt_int; i++) {
351 print " if (ptr->" var_opt_int[i] ")";
352 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
353 print " indent_to, \"\",";
354 print " \"" var_opt_int[i] "\",";
355 print " ptr->" var_opt_int[i] ");";
359 for (i = 0; i < n_opt_short; i++) {
360 print " if (ptr->" var_opt_short[i] ")";
361 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
362 print " indent_to, \"\",";
363 print " \"" var_opt_short[i] "\",";
364 print " ptr->" var_opt_short[i] ");";
368 for (i = 0; i < n_opt_char; i++) {
369 print " if (ptr->" var_opt_char[i] ")";
370 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
371 print " indent_to, \"\",";
372 print " \"" var_opt_char[i] "\",";
373 print " ptr->" var_opt_char[i] ");";
380 print "/* Save selected option variables into a structure. */"
382 print "cl_target_option_save (struct cl_target_option *ptr)";
391 for (i = 0; i < n_opts; i++) {
392 if (flag_set_p("Save", flags[i])) {
393 name = var_name(flags[i])
395 name = "target_flags";
397 if(name in var_save_seen)
400 var_save_seen[name]++;
401 otype = var_type_struct(flags[i])
402 if (otype ~ "^((un)?signed +)?int *$")
403 var_target_int[n_target_int++] = name;
405 else if (otype ~ "^((un)?signed +)?short *$")
406 var_target_short[n_target_short++] = name;
408 else if (otype ~ "^((un)?signed +)?char *$") {
409 var_target_char[n_target_char++] = name;
410 if (otype ~ "^unsigned +char *$")
411 var_target_range[name] = "0, 255"
412 else if (otype ~ "^signed +char *$")
413 var_target_range[name] = "-128, 127"
416 var_target_other[n_target_other++] = name;
420 var_target_int[n_target_int++] = "target_flags";
424 for (i = 0; i < n_target_char; i++) {
425 name = var_target_char[i];
426 if (var_target_range[name] != "") {
428 print " gcc_assert (IN_RANGE (" name ", " var_target_range[name] "));";
435 print " if (targetm.target_option.save)";
436 print " targetm.target_option.save (ptr);";
439 for (i = 0; i < n_target_other; i++) {
440 print " ptr->" var_target_other[i] " = " var_target_other[i] ";";
443 for (i = 0; i < n_target_int; i++) {
444 print " ptr->" var_target_int[i] " = " var_target_int[i] ";";
447 for (i = 0; i < n_target_short; i++) {
448 print " ptr->" var_target_short[i] " = " var_target_short[i] ";";
451 for (i = 0; i < n_target_char; i++) {
452 print " ptr->" var_target_char[i] " = " var_target_char[i] ";";
458 print "/* Restore selected current options from a structure. */";
460 print "cl_target_option_restore (struct cl_target_option *ptr)";
463 for (i = 0; i < n_target_other; i++) {
464 print " " var_target_other[i] " = ptr->" var_target_other[i] ";";
467 for (i = 0; i < n_target_int; i++) {
468 print " " var_target_int[i] " = ptr->" var_target_int[i] ";";
471 for (i = 0; i < n_target_short; i++) {
472 print " " var_target_short[i] " = ptr->" var_target_short[i] ";";
475 for (i = 0; i < n_target_char; i++) {
476 print " " var_target_char[i] " = ptr->" var_target_char[i] ";";
479 # This must occur after the normal variables in case the code depends on those
482 print " if (targetm.target_option.restore)";
483 print " targetm.target_option.restore (ptr);";
488 print "/* Print optimization options from a structure. */";
490 print "cl_target_option_print (FILE *file,";
491 print " int indent,";
492 print " struct cl_target_option *ptr)";
495 print " fputs (\"\\n\", file);";
496 for (i = 0; i < n_target_other; i++) {
497 print " if (ptr->" var_target_other[i] ")";
498 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
499 print " indent, \"\",";
500 print " \"" var_target_other[i] "\",";
501 print " (unsigned long)ptr->" var_target_other[i] ");";
505 for (i = 0; i < n_target_int; i++) {
506 print " if (ptr->" var_target_int[i] ")";
507 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
508 print " indent, \"\",";
509 print " \"" var_target_int[i] "\",";
510 print " ptr->" var_target_int[i] ");";
514 for (i = 0; i < n_target_short; i++) {
515 print " if (ptr->" var_target_short[i] ")";
516 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
517 print " indent, \"\",";
518 print " \"" var_target_short[i] "\",";
519 print " ptr->" var_target_short[i] ");";
523 for (i = 0; i < n_target_char; i++) {
524 print " if (ptr->" var_target_char[i] ")";
525 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
526 print " indent, \"\",";
527 print " \"" var_target_char[i] "\",";
528 print " ptr->" var_target_char[i] ");";
533 print " if (targetm.target_option.print)";
534 print " targetm.target_option.print (file, indent, ptr);";