1 # Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
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
37 # Default the name of header created from opth-gen.awk to options.h
38 if (header_name ==
"") header_name=
"options.h"
41 # Collect the text and flags of each option into an array
43 if ($
1 ==
"Language") {
47 else if ($
1 ==
"TargetSave") {
48 # Make sure the declarations are put in source order
49 target_save_decl
[n_target_save
] = $
2
52 else if ($
1 ==
"Variable") {
53 extra_vars
[n_extra_vars
] = $
2
57 name = opt_args
("Mask", $
1)
62 for (i =
4; i
<=
NF; i
++)
63 help
[n_opts
] = help
[n_opts
] " " $i
69 # Dump that array of options into a C file.
71 print "/* This file is auto-generated by optc-gen.awk. */"
73 n_headers =
split(header_name
, headers
, " ")
74 for (i =
1; i
<= n_headers
; i
++)
75 print "#include " quote headers
[i
] quote
76 print "#include " quote
"opts.h" quote
77 print "#include " quote
"intl.h" quote
79 print "#ifndef GCC_DRIVER"
80 print "#include " quote
"flags.h" quote
81 print "#include " quote
"target.h" quote
82 print "#endif /* GCC_DRIVER */"
86 print "const struct gcc_options global_options_init =\n{"
87 for (i =
0; i
< n_extra_vars
; i
++) {
91 sub(".*= *", "", init
)
93 sub("^.*[ *]", "", var
)
98 print " " init
", /* " var
" */"
100 for (i =
0; i
< n_opts
; i
++) {
101 if (flag_set_p
("Save", flags
[i
]))
104 name = var_name
(flags
[i
]);
108 init = opt_args
("Init", flags
[i
])
110 if (name in var_init
&& var_init
[name
] != init
)
111 print "#error multiple initializers for " name
112 var_init
[name
] = init
115 for (i =
0; i
< n_opts
; i
++) {
116 name = var_name
(flags
[i
]);
120 if (name in var_seen
)
123 if (name in var_init
)
124 init = var_init
[name
]
128 print " " init
", /* " name
" */"
132 for (i =
0; i
< n_opts
; i
++) {
133 name = static_var
(opts
[i
], flags
[i
]);
135 print " 0, /* " name
" (private state) */"
136 print "#undef x_" name
141 print "struct gcc_options global_options;"
142 print "struct gcc_options global_options_set;"
145 print "const char * const lang_names[] =\n{"
146 for (i =
0; i
< n_langs
; i
++) {
147 macros
[i
] =
"CL_" langs
[i
]
148 gsub( "[^" alnum
"_]", "X", macros
[i
] )
149 s =
substr(" ", length (macros
[i
]))
150 print " " quote langs
[i
] quote
","
154 print "const unsigned int cl_options_count = N_OPTS;\n"
155 print "const unsigned int cl_lang_count = " n_langs
";\n"
157 print "const struct cl_option cl_options[] =\n{"
160 for (i =
0; i
< n_opts
; i
++) {
161 back_chain
[i
] =
"N_OPTS";
162 indices
[opts
[i
]] = j
;
163 # Combine the flags of identical switches. Switches
164 # appear many times if they are handled by many front
166 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
167 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
168 if (help
[i
+ 1] ==
"")
169 help
[i
+ 1] = help
[i
]
170 else if (help
[i
] != "" && help
[i
+ 1] != help
[i
])
171 print "warning: multiple different help strings for " \
172 opts
[i
] ":\n\t" help
[i
] "\n\t" help
[i
+ 1] \
175 back_chain
[i
] =
"N_OPTS";
176 indices
[opts
[i
]] = j
;
181 for (i =
0; i
< n_opts
; i
++) {
182 # With identical flags, pick only the last one. The
183 # earlier loop ensured that it has all flags merged,
184 # and a nonempty help text if one of the texts was nonempty.
185 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
189 len =
length (opts
[i
]);
190 enum = opt_enum
(opts
[i
])
192 # If this switch takes joined arguments, back-chain all
193 # subsequent switches to it for which it is a prefix. If
194 # a later switch S is a longer prefix of a switch T, T
195 # will be back-chained to S in a later iteration of this
196 # for() loop, which is what we want.
197 if (flag_set_p
("Joined.*", flags
[i
])) {
198 for (j = i
+ 1; j
< n_opts
; j
++) {
199 if (substr (opts
[j
], 1, len
) != opts
[i
])
201 back_chain
[j
] = enum
;
205 s =
substr(" ", length (opts
[i
]))
212 hlp = quote help
[i
] quote
;
214 missing_arg_error = opt_args
("MissingArgError", flags
[i
])
215 if (missing_arg_error ==
"")
216 missing_arg_error =
"0"
218 missing_arg_error = quote missing_arg_error quote
221 warn_message = opt_args
("Warn", flags
[i
])
222 if (warn_message ==
"")
225 warn_message = quote warn_message quote
227 alias_arg = opt_args
("Alias", flags
[i
])
228 if (alias_arg ==
"") {
229 if (flag_set_p
("Ignore", flags
[i
]))
230 alias_data =
"NULL, NULL, OPT_SPECIAL_ignore"
232 alias_data =
"NULL, NULL, N_OPTS"
234 alias_opt = nth_arg
(0, alias_arg
)
235 alias_posarg = nth_arg
(1, alias_arg
)
236 alias_negarg = nth_arg
(2, alias_arg
)
238 if (var_ref
(opts
[i
], flags
[i
]) != "-1")
239 print "#error Alias setting variable"
241 if (alias_posarg
!= "" && alias_negarg ==
"") {
242 if (!flag_set_p
("RejectNegative", flags
[i
]) \
243 && opts
[i
] ~
"^[Wfm]")
244 print "#error Alias with single argument " \
245 "allowing negative form"
248 alias_opt = opt_enum
(alias_opt
)
249 if (alias_posarg ==
"")
250 alias_posarg =
"NULL"
252 alias_posarg = quote alias_posarg quote
253 if (alias_negarg ==
"")
254 alias_negarg =
"NULL"
256 alias_negarg = quote alias_negarg quote
257 alias_data = alias_posarg
", " alias_negarg
", " alias_opt
260 neg = opt_args
("Negative", flags
[i
]);
264 if (flag_set_p
("RejectNegative", flags
[i
]))
267 if (opts
[i
] ~
"^[Wfm]")
268 idx = indices
[opts
[i
]];
273 # Split the printf after %u to work around an ia64-hp-hpux11.23
275 printf(" { %c-%s%c,\n %s,\n %s,\n %s,\n %s, %s, %u,",
276 quote
, opts
[i
], quote
, hlp
, missing_arg_error
, warn_message
,
277 alias_data
, back_chain
[i
], len
)
278 printf(" %d,\n", idx
)
279 condition = opt_args
("Condition", flags
[i
])
280 cl_flags = switch_flags
(flags
[i
])
287 condition
, cl_flags
, cl_flags
)
289 printf(" %s,\n", cl_flags
)
290 printf(" %s, %s }%s\n", var_ref
(opts
[i
], flags
[i
]),
291 var_set
(flags
[i
]), comma
)
297 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
299 print "/* Save optimization variables into a structure. */"
301 print "cl_optimization_save (struct cl_optimization *ptr, struct gcc_options *opts)";
308 var_opt_char
[0] =
"optimize";
309 var_opt_char
[1] =
"optimize_size";
310 var_opt_range
["optimize"] =
"0, 255";
311 var_opt_range
["optimize_size"] =
"0, 255";
313 # Sort by size to mimic how the structure is laid out to be friendlier to the
316 for (i =
0; i
< n_opts
; i
++) {
317 if (flag_set_p
("Optimization", flags
[i
])) {
318 name = var_name
(flags
[i
])
322 if(name in var_opt_seen
)
325 var_opt_seen
[name
]++;
326 otype = var_type_struct
(flags
[i
]);
327 if (otype ~
"^((un)?signed +)?int *$")
328 var_opt_int
[n_opt_int
++] = name
;
330 else if (otype ~
"^((un)?signed +)?short *$")
331 var_opt_short
[n_opt_short
++] = name
;
333 else if (otype ~
"^((un)?signed +)?char *$") {
334 var_opt_char
[n_opt_char
++] = name
;
335 if (otype ~
"^unsigned +char *$")
336 var_opt_range
[name
] =
"0, 255"
337 else if (otype ~
"^signed +char *$")
338 var_opt_range
[name
] =
"-128, 127"
341 var_opt_other
[n_opt_other
++] = name
;
345 for (i =
0; i
< n_opt_char
; i
++) {
346 name = var_opt_char
[i
];
347 if (var_opt_range
[name
] != "")
348 print " gcc_assert (IN_RANGE (opts->x_" name
", " var_opt_range
[name
] "));";
352 for (i =
0; i
< n_opt_other
; i
++) {
353 print " ptr->x_" var_opt_other
[i
] " = opts->x_" var_opt_other
[i
] ";";
356 for (i =
0; i
< n_opt_int
; i
++) {
357 print " ptr->x_" var_opt_int
[i
] " = opts->x_" var_opt_int
[i
] ";";
360 for (i =
0; i
< n_opt_short
; i
++) {
361 print " ptr->x_" var_opt_short
[i
] " = opts->x_" var_opt_short
[i
] ";";
364 for (i =
0; i
< n_opt_char
; i
++) {
365 print " ptr->x_" var_opt_char
[i
] " = opts->x_" var_opt_char
[i
] ";";
371 print "/* Restore optimization options from a structure. */";
373 print "cl_optimization_restore (struct gcc_options *opts, struct cl_optimization *ptr)";
376 for (i =
0; i
< n_opt_other
; i
++) {
377 print " opts->x_" var_opt_other
[i
] " = ptr->x_" var_opt_other
[i
] ";";
380 for (i =
0; i
< n_opt_int
; i
++) {
381 print " opts->x_" var_opt_int
[i
] " = ptr->x_" var_opt_int
[i
] ";";
384 for (i =
0; i
< n_opt_short
; i
++) {
385 print " opts->x_" var_opt_short
[i
] " = ptr->x_" var_opt_short
[i
] ";";
388 for (i =
0; i
< n_opt_char
; i
++) {
389 print " opts->x_" var_opt_char
[i
] " = ptr->x_" var_opt_char
[i
] ";";
392 print " targetm.override_options_after_change ();";
396 print "/* Print optimization options from a structure. */";
398 print "cl_optimization_print (FILE *file,";
399 print " int indent_to,";
400 print " struct cl_optimization *ptr)";
403 print " fputs (\"\\n\", file);";
404 for (i =
0; i
< n_opt_other
; i
++) {
405 print " if (ptr->x_" var_opt_other
[i
] ")";
406 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
407 print " indent_to, \"\",";
408 print " \"" var_opt_other
[i
] "\",";
409 print " (unsigned long)ptr->x_" var_opt_other
[i
] ");";
413 for (i =
0; i
< n_opt_int
; i
++) {
414 print " if (ptr->x_" var_opt_int
[i
] ")";
415 print " fprintf (file, \"%*s%s (%#x)\\n\",";
416 print " indent_to, \"\",";
417 print " \"" var_opt_int
[i
] "\",";
418 print " ptr->x_" var_opt_int
[i
] ");";
422 for (i =
0; i
< n_opt_short
; i
++) {
423 print " if (ptr->x_" var_opt_short
[i
] ")";
424 print " fprintf (file, \"%*s%s (%#x)\\n\",";
425 print " indent_to, \"\",";
426 print " \"" var_opt_short
[i
] "\",";
427 print " ptr->x_" var_opt_short
[i
] ");";
431 for (i =
0; i
< n_opt_char
; i
++) {
432 print " if (ptr->x_" var_opt_char
[i
] ")";
433 print " fprintf (file, \"%*s%s (%#x)\\n\",";
434 print " indent_to, \"\",";
435 print " \"" var_opt_char
[i
] "\",";
436 print " ptr->x_" var_opt_char
[i
] ");";
443 print "/* Save selected option variables into a structure. */"
445 print "cl_target_option_save (struct cl_target_option *ptr, struct gcc_options *opts)";
454 for (i =
0; i
< n_opts
; i
++) {
455 if (flag_set_p
("Save", flags
[i
])) {
456 name = var_name
(flags
[i
])
458 name =
"target_flags";
460 if(name in var_save_seen
)
463 var_save_seen
[name
]++;
464 otype = var_type_struct
(flags
[i
])
465 if (otype ~
"^((un)?signed +)?int *$")
466 var_target_int
[n_target_int
++] = name
;
468 else if (otype ~
"^((un)?signed +)?short *$")
469 var_target_short
[n_target_short
++] = name
;
471 else if (otype ~
"^((un)?signed +)?char *$") {
472 var_target_char
[n_target_char
++] = name
;
473 if (otype ~
"^unsigned +char *$")
474 var_target_range
[name
] =
"0, 255"
475 else if (otype ~
"^signed +char *$")
476 var_target_range
[name
] =
"-128, 127"
479 var_target_other
[n_target_other
++] = name
;
483 var_target_int
[n_target_int
++] =
"target_flags";
487 for (i =
0; i
< n_target_char
; i
++) {
488 name = var_target_char
[i
];
489 if (var_target_range
[name
] != "") {
491 print " gcc_assert (IN_RANGE (opts->x_" name
", " var_target_range
[name
] "));";
498 print " if (targetm.target_option.save)";
499 print " targetm.target_option.save (ptr);";
502 for (i =
0; i
< n_target_other
; i
++) {
503 print " ptr->x_" var_target_other
[i
] " = opts->x_" var_target_other
[i
] ";";
506 for (i =
0; i
< n_target_int
; i
++) {
507 print " ptr->x_" var_target_int
[i
] " = opts->x_" var_target_int
[i
] ";";
510 for (i =
0; i
< n_target_short
; i
++) {
511 print " ptr->x_" var_target_short
[i
] " = opts->x_" var_target_short
[i
] ";";
514 for (i =
0; i
< n_target_char
; i
++) {
515 print " ptr->x_" var_target_char
[i
] " = opts->x_" var_target_char
[i
] ";";
521 print "/* Restore selected current options from a structure. */";
523 print "cl_target_option_restore (struct gcc_options *opts, struct cl_target_option *ptr)";
526 for (i =
0; i
< n_target_other
; i
++) {
527 print " opts->x_" var_target_other
[i
] " = ptr->x_" var_target_other
[i
] ";";
530 for (i =
0; i
< n_target_int
; i
++) {
531 print " opts->x_" var_target_int
[i
] " = ptr->x_" var_target_int
[i
] ";";
534 for (i =
0; i
< n_target_short
; i
++) {
535 print " opts->x_" var_target_short
[i
] " = ptr->x_" var_target_short
[i
] ";";
538 for (i =
0; i
< n_target_char
; i
++) {
539 print " opts->x_" var_target_char
[i
] " = ptr->x_" var_target_char
[i
] ";";
542 # This must occur after the normal variables in case the code depends on those
545 print " if (targetm.target_option.restore)";
546 print " targetm.target_option.restore (ptr);";
551 print "/* Print optimization options from a structure. */";
553 print "cl_target_option_print (FILE *file,";
554 print " int indent,";
555 print " struct cl_target_option *ptr)";
558 print " fputs (\"\\n\", file);";
559 for (i =
0; i
< n_target_other
; i
++) {
560 print " if (ptr->x_" var_target_other
[i
] ")";
561 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
562 print " indent, \"\",";
563 print " \"" var_target_other
[i
] "\",";
564 print " (unsigned long)ptr->x_" var_target_other
[i
] ");";
568 for (i =
0; i
< n_target_int
; i
++) {
569 print " if (ptr->x_" var_target_int
[i
] ")";
570 print " fprintf (file, \"%*s%s (%#x)\\n\",";
571 print " indent, \"\",";
572 print " \"" var_target_int
[i
] "\",";
573 print " ptr->x_" var_target_int
[i
] ");";
577 for (i =
0; i
< n_target_short
; i
++) {
578 print " if (ptr->x_" var_target_short
[i
] ")";
579 print " fprintf (file, \"%*s%s (%#x)\\n\",";
580 print " indent, \"\",";
581 print " \"" var_target_short
[i
] "\",";
582 print " ptr->x_" var_target_short
[i
] ");";
586 for (i =
0; i
< n_target_char
; i
++) {
587 print " if (ptr->x_" var_target_char
[i
] ")";
588 print " fprintf (file, \"%*s%s (%#x)\\n\",";
589 print " indent, \"\",";
590 print " \"" var_target_char
[i
] "\",";
591 print " ptr->x_" var_target_char
[i
] ");";
596 print " if (targetm.target_option.print)";
597 print " targetm.target_option.print (file, indent, ptr);";