1 # Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
2 # Free Software Foundation, Inc.
3 # Contributed by Kelley Cook, June 2004.
4 # Original code from Neil Booth, May 2003.
6 # This program is free software; you can redistribute it and/or modify it
7 # under the terms of the GNU General Public License as published by the
8 # Free Software Foundation; either version 3, or (at your option) any
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; see the file COPYING3. If not see
18 # <http://www.gnu.org/licenses/>.
20 # This Awk script reads in the option records generated from
21 # opt-gather.awk, combines the flags of duplicate options and generates a
24 # This program uses functions from opt-functions.awk
26 # Usage: awk -f opt-functions.awk -f optc-gen.awk \
27 # [-v header_name=header.h] < inputfile > options.c
34 n_extra_target_vars = 0
35 n_extra_c_includes = 0
36 n_extra_h_includes = 0
41 # Default the name of header created from opth-gen.awk to options.h
42 if (header_name == "") header_name="options.h"
45 # Collect the text and flags of each option into an array
47 if ($1 == "Language") {
51 else if ($1 == "TargetSave") {
52 # Make sure the declarations are put in source order
53 target_save_decl[n_target_save] = $2
56 else if ($1 == "Variable") {
57 extra_vars[n_extra_vars] = $2
60 else if ($1 == "TargetVariable") {
61 # Combination of TargetSave and Variable
62 extra_vars[n_extra_vars] = $2
70 sub("^.*[ *]", "", name)
71 sub(" *" name "$", "", type)
72 target_save_decl[n_target_save] = type " x_" name
75 extra_target_vars[n_extra_target_vars] = name
76 n_extra_target_vars++;
78 else if ($1 == "HeaderInclude") {
79 extra_h_includes[n_extra_h_includes++] = $2;
81 else if ($1 == "SourceInclude") {
82 extra_c_includes[n_extra_c_includes++] = $2;
84 else if ($1 == "Enum") {
86 name = opt_args("Name", props)
87 type = opt_args("Type", props)
88 unknown_error = opt_args("UnknownError", props)
89 enum_names[n_enums] = name
90 enum_type[name] = type
91 enum_index[name] = n_enums
92 enum_unknown_error[name] = unknown_error
96 else if ($1 == "EnumValue") {
98 enum_name = opt_args("Enum", props)
99 string = opt_args("String", props)
100 value = opt_args("Value", props)
102 val_flags = val_flags \
103 test_flag("Canonical", props, "| CL_ENUM_CANONICAL") \
104 test_flag("DriverOnly", props, "| CL_ENUM_DRIVER_ONLY")
105 enum_data[enum_name] = enum_data[enum_name] \
106 " { " quote string quote ", " value ", " val_flags \
110 name = opt_args("Mask", $1)
115 for (i = 4; i <= NF; i++)
116 help[n_opts] = help[n_opts] " " $i
122 # Dump that array of options into a C file.
124 print "/* This file is auto-generated by optc-gen.awk. */"
126 n_headers = split(header_name, headers, " ")
127 for (i = 1; i <= n_headers; i++)
128 print "#include " quote headers[i] quote
129 print "#include " quote "opts.h" quote
130 print "#include " quote "intl.h" quote
132 print "#ifndef GCC_DRIVER"
133 print "#include " quote "flags.h" quote
134 print "#include " quote "target.h" quote
135 print "#endif /* GCC_DRIVER */"
138 if (n_extra_c_includes > 0) {
139 for (i = 0; i < n_extra_c_includes; i++) {
140 print "#include " quote extra_c_includes[i] quote
145 for (i = 0; i < n_enums; i++) {
147 type = enum_type[name]
148 print "static const struct cl_enum_arg cl_enum_" name \
151 print enum_data[name] " { NULL, 0, 0 }"
155 print "cl_enum_" name "_set (void *var, int value)"
157 print " *((" type " *) var) = (" type ") value;"
161 print "cl_enum_" name "_get (const void *var)"
163 print " return (int) *((const " type " *) var);"
168 print "const struct cl_enum cl_enums[] ="
170 for (i = 0; i < n_enums; i++) {
172 ehelp = enum_help[name]
176 ehelp = quote ehelp quote
177 unknown_error = enum_unknown_error[name]
178 if (unknown_error == "")
179 unknown_error = "NULL"
181 unknown_error = quote unknown_error quote
184 print " " unknown_error ","
185 print " cl_enum_" name "_data,"
186 print " sizeof (" enum_type[name] "),"
187 print " cl_enum_" name "_set,"
188 print " cl_enum_" name "_get"
192 print "const unsigned int cl_enums_count = " n_enums ";"
196 if (n_extra_target_vars)
199 print "const struct gcc_options global_options_init =\n{"
200 for (i = 0; i < n_extra_vars; i++) {
204 sub(".*= *", "", init)
208 sub(" *=.*", "", var)
210 sub("^.*[ *]", "", name)
211 sub("\\[.*\\]$", "", name)
213 print " " init ", /* " name " */"
215 for (i = 0; i < n_opts; i++) {
216 if (flag_set_p("Save", flags[i]))
219 name = var_name(flags[i]);
223 init = opt_args("Init", flags[i])
225 if (name in var_init && var_init[name] != init)
226 print "#error multiple initializers for " name
227 var_init[name] = init
230 for (i = 0; i < n_opts; i++) {
231 name = var_name(flags[i]);
235 if (name in var_seen)
238 if (name in var_init)
239 init = var_init[name]
243 print " " init ", /* " name " */"
247 for (i = 0; i < n_opts; i++) {
248 name = static_var(opts[i], flags[i]);
250 print " 0, /* " name " (private state) */"
251 print "#undef x_" name
254 for (i = 0; i < n_opts; i++) {
255 if (flag_set_p("SetByCombined", flags[i]))
256 print " false, /* frontend_set_" var_name(flags[i]) " */"
260 print "struct gcc_options global_options;"
261 print "struct gcc_options global_options_set;"
264 print "const char * const lang_names[] =\n{"
265 for (i = 0; i < n_langs; i++) {
266 macros[i] = "CL_" langs[i]
267 gsub( "[^" alnum "_]", "X", macros[i] )
268 s = substr(" ", length (macros[i]))
269 print " " quote langs[i] quote ","
273 print "const unsigned int cl_options_count = N_OPTS;\n"
274 print "const unsigned int cl_lang_count = " n_langs ";\n"
276 print "const struct cl_option cl_options[] =\n{"
279 for (i = 0; i < n_opts; i++) {
280 back_chain[i] = "N_OPTS";
281 indices[opts[i]] = j;
282 # Combine the flags of identical switches. Switches
283 # appear many times if they are handled by many front
285 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
286 flags[i + 1] = flags[i] " " flags[i + 1];
287 if (help[i + 1] == "")
288 help[i + 1] = help[i]
289 else if (help[i] != "" && help[i + 1] != help[i])
290 print "warning: multiple different help strings for " \
291 opts[i] ":\n\t" help[i] "\n\t" help[i + 1] \
294 back_chain[i] = "N_OPTS";
295 indices[opts[i]] = j;
300 for (i = 0; i < n_opts; i++) {
301 # With identical flags, pick only the last one. The
302 # earlier loop ensured that it has all flags merged,
303 # and a nonempty help text if one of the texts was nonempty.
304 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
308 len = length (opts[i]);
309 enum = opt_enum(opts[i])
311 # If this switch takes joined arguments, back-chain all
312 # subsequent switches to it for which it is a prefix. If
313 # a later switch S is a longer prefix of a switch T, T
314 # will be back-chained to S in a later iteration of this
315 # for() loop, which is what we want.
316 if (flag_set_p("Joined.*", flags[i])) {
317 for (j = i + 1; j < n_opts; j++) {
318 if (substr (opts[j], 1, len) != opts[i])
320 back_chain[j] = enum;
324 s = substr(" ", length (opts[i]))
331 hlp = quote help[i] quote;
333 missing_arg_error = opt_args("MissingArgError", flags[i])
334 if (missing_arg_error == "")
335 missing_arg_error = "0"
337 missing_arg_error = quote missing_arg_error quote
340 warn_message = opt_args("Warn", flags[i])
341 if (warn_message == "")
344 warn_message = quote warn_message quote
346 alias_arg = opt_args("Alias", flags[i])
347 if (alias_arg == "") {
348 if (flag_set_p("Ignore", flags[i]))
349 alias_data = "NULL, NULL, OPT_SPECIAL_ignore"
351 alias_data = "NULL, NULL, N_OPTS"
353 alias_opt = nth_arg(0, alias_arg)
354 alias_posarg = nth_arg(1, alias_arg)
355 alias_negarg = nth_arg(2, alias_arg)
357 if (var_ref(opts[i], flags[i]) != "-1")
358 print "#error Alias setting variable"
360 if (alias_posarg != "" && alias_negarg == "") {
361 if (!flag_set_p("RejectNegative", flags[i]) \
362 && opts[i] ~ "^[Wfm]")
363 print "#error Alias with single argument " \
364 "allowing negative form"
366 if (alias_posarg != "" \
367 && flag_set_p("NegativeAlias", flags[i])) {
368 print "#error Alias with multiple arguments " \
369 "used with NegativeAlias"
372 alias_opt = opt_enum(alias_opt)
373 if (alias_posarg == "")
374 alias_posarg = "NULL"
376 alias_posarg = quote alias_posarg quote
377 if (alias_negarg == "")
378 alias_negarg = "NULL"
380 alias_negarg = quote alias_negarg quote
381 alias_data = alias_posarg ", " alias_negarg ", " alias_opt
384 neg = opt_args("Negative", flags[i]);
388 if (flag_set_p("RejectNegative", flags[i]))
391 if (opts[i] ~ "^[Wfm]")
392 idx = indices[opts[i]];
397 # Split the printf after %u to work around an ia64-hp-hpux11.23
399 printf(" { %c-%s%c,\n %s,\n %s,\n %s,\n %s, %s, %u,",
400 quote, opts[i], quote, hlp, missing_arg_error, warn_message,
401 alias_data, back_chain[i], len)
402 printf(" %d,\n", idx)
403 condition = opt_args("Condition", flags[i])
404 cl_flags = switch_flags(flags[i])
405 cl_bit_fields = switch_bit_fields(flags[i])
406 cl_zero_bit_fields = switch_bit_fields("")
413 " 1 /* Disabled. */, %s,\n" \
415 condition, cl_flags, cl_bit_fields, cl_zero_bit_fields)
419 cl_flags, cl_bit_fields)
420 printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
421 var_set(flags[i]), comma)
427 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
429 print "/* Save optimization variables into a structure. */"
431 print "cl_optimization_save (struct cl_optimization *ptr, struct gcc_options *opts)";
439 var_opt_char[0] = "optimize";
440 var_opt_char[1] = "optimize_size";
441 var_opt_range["optimize"] = "0, 255";
442 var_opt_range["optimize_size"] = "0, 255";
443 var_opt_enum[0] = "flag_fp_contract_mode";
445 # Sort by size to mimic how the structure is laid out to be friendlier to the
448 for (i = 0; i < n_opts; i++) {
449 if (flag_set_p("Optimization", flags[i])) {
450 name = var_name(flags[i])
454 if(name in var_opt_seen)
457 var_opt_seen[name]++;
458 otype = var_type_struct(flags[i]);
459 if (otype ~ "^((un)?signed +)?int *$")
460 var_opt_int[n_opt_int++] = name;
462 else if (otype ~ "^((un)?signed +)?short *$")
463 var_opt_short[n_opt_short++] = name;
465 else if (otype ~ ("^enum +[_" alnum "]+ *"))
466 var_opt_enum[n_opt_enum++] = name;
468 else if (otype ~ "^((un)?signed +)?char *$") {
469 var_opt_char[n_opt_char++] = name;
470 if (otype ~ "^unsigned +char *$")
471 var_opt_range[name] = "0, 255"
472 else if (otype ~ "^signed +char *$")
473 var_opt_range[name] = "-128, 127"
476 var_opt_other[n_opt_other++] = name;
480 for (i = 0; i < n_opt_char; i++) {
481 name = var_opt_char[i];
482 if (var_opt_range[name] != "")
483 print " gcc_assert (IN_RANGE (opts->x_" name ", " var_opt_range[name] "));";
487 for (i = 0; i < n_opt_other; i++) {
488 print " ptr->x_" var_opt_other[i] " = opts->x_" var_opt_other[i] ";";
491 for (i = 0; i < n_opt_int; i++) {
492 print " ptr->x_" var_opt_int[i] " = opts->x_" var_opt_int[i] ";";
495 for (i = 0; i < n_opt_enum; i++) {
496 print " ptr->x_" var_opt_enum[i] " = opts->x_" var_opt_enum[i] ";";
499 for (i = 0; i < n_opt_short; i++) {
500 print " ptr->x_" var_opt_short[i] " = opts->x_" var_opt_short[i] ";";
503 for (i = 0; i < n_opt_char; i++) {
504 print " ptr->x_" var_opt_char[i] " = opts->x_" var_opt_char[i] ";";
510 print "/* Restore optimization options from a structure. */";
512 print "cl_optimization_restore (struct gcc_options *opts, struct cl_optimization *ptr)";
515 for (i = 0; i < n_opt_other; i++) {
516 print " opts->x_" var_opt_other[i] " = ptr->x_" var_opt_other[i] ";";
519 for (i = 0; i < n_opt_int; i++) {
520 print " opts->x_" var_opt_int[i] " = ptr->x_" var_opt_int[i] ";";
523 for (i = 0; i < n_opt_enum; i++) {
524 print " opts->x_" var_opt_enum[i] " = ptr->x_" var_opt_enum[i] ";";
527 for (i = 0; i < n_opt_short; i++) {
528 print " opts->x_" var_opt_short[i] " = ptr->x_" var_opt_short[i] ";";
531 for (i = 0; i < n_opt_char; i++) {
532 print " opts->x_" var_opt_char[i] " = ptr->x_" var_opt_char[i] ";";
535 print " targetm.override_options_after_change ();";
539 print "/* Print optimization options from a structure. */";
541 print "cl_optimization_print (FILE *file,";
542 print " int indent_to,";
543 print " struct cl_optimization *ptr)";
546 print " fputs (\"\\n\", file);";
547 for (i = 0; i < n_opt_other; i++) {
548 print " if (ptr->x_" var_opt_other[i] ")";
549 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
550 print " indent_to, \"\",";
551 print " \"" var_opt_other[i] "\",";
552 print " (unsigned long)ptr->x_" var_opt_other[i] ");";
556 for (i = 0; i < n_opt_int; i++) {
557 print " if (ptr->x_" var_opt_int[i] ")";
558 print " fprintf (file, \"%*s%s (%#x)\\n\",";
559 print " indent_to, \"\",";
560 print " \"" var_opt_int[i] "\",";
561 print " ptr->x_" var_opt_int[i] ");";
565 for (i = 0; i < n_opt_enum; i++) {
566 print " fprintf (file, \"%*s%s (%#x)\\n\",";
567 print " indent_to, \"\",";
568 print " \"" var_opt_enum[i] "\",";
569 print " (int) ptr->x_" var_opt_enum[i] ");";
573 for (i = 0; i < n_opt_short; i++) {
574 print " if (ptr->x_" var_opt_short[i] ")";
575 print " fprintf (file, \"%*s%s (%#x)\\n\",";
576 print " indent_to, \"\",";
577 print " \"" var_opt_short[i] "\",";
578 print " ptr->x_" var_opt_short[i] ");";
582 for (i = 0; i < n_opt_char; i++) {
583 print " if (ptr->x_" var_opt_char[i] ")";
584 print " fprintf (file, \"%*s%s (%#x)\\n\",";
585 print " indent_to, \"\",";
586 print " \"" var_opt_char[i] "\",";
587 print " ptr->x_" var_opt_char[i] ");";
594 print "/* Save selected option variables into a structure. */"
596 print "cl_target_option_save (struct cl_target_option *ptr, struct gcc_options *opts)";
606 for (i = 0; i < n_opts; i++) {
607 if (flag_set_p("Save", flags[i])) {
608 name = var_name(flags[i])
610 name = "target_flags";
612 if(name in var_save_seen)
615 var_save_seen[name]++;
616 otype = var_type_struct(flags[i])
617 if (otype ~ "^((un)?signed +)?int *$")
618 var_target_int[n_target_int++] = name;
620 else if (otype ~ "^((un)?signed +)?short *$")
621 var_target_short[n_target_short++] = name;
623 else if (otype ~ ("^enum +[_" alnum "]+ *$"))
624 var_target_enum[n_target_enum++] = name;
626 else if (otype ~ "^((un)?signed +)?char *$") {
627 var_target_char[n_target_char++] = name;
628 if (otype ~ "^unsigned +char *$")
629 var_target_range[name] = "0, 255"
630 else if (otype ~ "^signed +char *$")
631 var_target_range[name] = "-128, 127"
632 if (otype == var_type(flags[i]))
633 var_target_range[name] = ""
636 var_target_other[n_target_other++] = name;
640 var_target_int[n_target_int++] = "target_flags";
644 for (i = 0; i < n_target_char; i++) {
645 name = var_target_char[i];
646 if (var_target_range[name] != "") {
648 print " gcc_assert (IN_RANGE (opts->x_" name ", " var_target_range[name] "));";
655 print " if (targetm.target_option.save)";
656 print " targetm.target_option.save (ptr);";
659 for (i = 0; i < n_extra_target_vars; i++) {
660 print " ptr->x_" extra_target_vars[i] " = opts->x_" extra_target_vars[i] ";";
663 for (i = 0; i < n_target_other; i++) {
664 print " ptr->x_" var_target_other[i] " = opts->x_" var_target_other[i] ";";
667 for (i = 0; i < n_target_enum; i++) {
668 print " ptr->x_" var_target_enum[i] " = opts->x_" var_target_enum[i] ";";
671 for (i = 0; i < n_target_int; i++) {
672 print " ptr->x_" var_target_int[i] " = opts->x_" var_target_int[i] ";";
675 for (i = 0; i < n_target_short; i++) {
676 print " ptr->x_" var_target_short[i] " = opts->x_" var_target_short[i] ";";
679 for (i = 0; i < n_target_char; i++) {
680 print " ptr->x_" var_target_char[i] " = opts->x_" var_target_char[i] ";";
686 print "/* Restore selected current options from a structure. */";
688 print "cl_target_option_restore (struct gcc_options *opts, struct cl_target_option *ptr)";
691 for (i = 0; i < n_extra_target_vars; i++) {
692 print " opts->x_" extra_target_vars[i] " = ptr->x_" extra_target_vars[i] ";";
695 for (i = 0; i < n_target_other; i++) {
696 print " opts->x_" var_target_other[i] " = ptr->x_" var_target_other[i] ";";
699 for (i = 0; i < n_target_enum; i++) {
700 print " opts->x_" var_target_enum[i] " = ptr->x_" var_target_enum[i] ";";
703 for (i = 0; i < n_target_int; i++) {
704 print " opts->x_" var_target_int[i] " = ptr->x_" var_target_int[i] ";";
707 for (i = 0; i < n_target_short; i++) {
708 print " opts->x_" var_target_short[i] " = ptr->x_" var_target_short[i] ";";
711 for (i = 0; i < n_target_char; i++) {
712 print " opts->x_" var_target_char[i] " = ptr->x_" var_target_char[i] ";";
715 # This must occur after the normal variables in case the code depends on those
718 print " if (targetm.target_option.restore)";
719 print " targetm.target_option.restore (ptr);";
724 print "/* Print optimization options from a structure. */";
726 print "cl_target_option_print (FILE *file,";
727 print " int indent,";
728 print " struct cl_target_option *ptr)";
731 print " fputs (\"\\n\", file);";
732 for (i = 0; i < n_target_other; i++) {
733 print " if (ptr->x_" var_target_other[i] ")";
734 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
735 print " indent, \"\",";
736 print " \"" var_target_other[i] "\",";
737 print " (unsigned long)ptr->x_" var_target_other[i] ");";
741 for (i = 0; i < n_target_enum; i++) {
742 print " if (ptr->x_" var_target_enum[i] ")";
743 print " fprintf (file, \"%*s%s (%#x)\\n\",";
744 print " indent, \"\",";
745 print " \"" var_target_enum[i] "\",";
746 print " ptr->x_" var_target_enum[i] ");";
750 for (i = 0; i < n_target_int; i++) {
751 print " if (ptr->x_" var_target_int[i] ")";
752 print " fprintf (file, \"%*s%s (%#x)\\n\",";
753 print " indent, \"\",";
754 print " \"" var_target_int[i] "\",";
755 print " ptr->x_" var_target_int[i] ");";
759 for (i = 0; i < n_target_short; i++) {
760 print " if (ptr->x_" var_target_short[i] ")";
761 print " fprintf (file, \"%*s%s (%#x)\\n\",";
762 print " indent, \"\",";
763 print " \"" var_target_short[i] "\",";
764 print " ptr->x_" var_target_short[i] ");";
768 for (i = 0; i < n_target_char; i++) {
769 print " if (ptr->x_" var_target_char[i] ")";
770 print " fprintf (file, \"%*s%s (%#x)\\n\",";
771 print " indent, \"\",";
772 print " \"" var_target_char[i] "\",";
773 print " ptr->x_" var_target_char[i] ");";
778 print " if (targetm.target_option.print)";
779 print " targetm.target_option.print (file, indent, ptr);";