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
36 # Default the name of header created from opth-gen.awk to options.h
37 if (header_name ==
"") header_name=
"options.h"
40 # Collect the text and flags of each option into an array
42 if ($
1 ==
"Language") {
46 else if ($
1 ==
"TargetSave") {
47 # Make sure the declarations are put in source order
48 target_save_decl
[n_target_save
] = $
2
52 name = opt_args
("Mask", $
1)
57 for (i =
4; i
<=
NF; i
++)
58 help
[n_opts
] = help
[n_opts
] " " $i
64 # Dump that array of options into a C file.
66 print "/* This file is auto-generated by optc-gen.awk. */"
68 n_headers =
split(header_name
, headers
, " ")
69 for (i =
1; i
<= n_headers
; i
++)
70 print "#include " quote headers
[i
] quote
71 print "#include " quote
"opts.h" quote
72 print "#include " quote
"intl.h" quote
74 print "#ifdef GCC_DRIVER"
75 print "int target_flags;"
77 print "#include " quote
"flags.h" quote
78 print "#include " quote
"target.h" quote
79 print "#endif /* GCC_DRIVER */"
83 for (i =
0; i
< n_opts
; i
++) {
84 if (flag_set_p
("Save", flags
[i
]))
87 name = var_name
(flags
[i
]);
91 if (flag_set_p
("VarExists", flags
[i
])) {
92 # Need it for the gcc driver.
99 init = opt_args
("Init", flags
[i
])
102 else if (name in var_seen
)
108 print "#ifdef GCC_DRIVER"
109 print "/* Set by -" opts
[i
] "."
110 print " " help
[i
] " */"
111 print var_type
(flags
[i
]) name init
";"
113 print "#endif /* GCC_DRIVER */"
120 print "/* Local state variables. */"
121 for (i =
0; i
< n_opts
; i
++) {
122 name = static_var
(opts
[i
], flags
[i
]);
124 print "static " var_type
(flags
[i
]) name
";"
128 print "const char * const lang_names[] =\n{"
129 for (i =
0; i
< n_langs
; i
++) {
130 macros
[i
] =
"CL_" langs
[i
]
131 gsub( "[^A-Za-z0-9_]", "X", macros
[i
] )
132 s =
substr(" ", length (macros
[i
]))
133 print " " quote langs
[i
] quote
","
137 print "const unsigned int cl_options_count = N_OPTS;\n"
138 print "const unsigned int cl_lang_count = " n_langs
";\n"
140 print "const struct cl_option cl_options[] =\n{"
143 for (i =
0; i
< n_opts
; i
++) {
144 back_chain
[i
] =
"N_OPTS";
145 indices
[opts
[i
]] = j
;
146 # Combine the flags of identical switches. Switches
147 # appear many times if they are handled by many front
149 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
150 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
151 if (help
[i
+ 1] ==
"")
152 help
[i
+ 1] = help
[i
]
153 else if (help
[i
] != "" && help
[i
+ 1] != help
[i
])
154 print "warning: multiple different help strings for " \
155 opts
[i
] ":\n\t" help
[i
] "\n\t" help
[i
+ 1] \
158 back_chain
[i
] =
"N_OPTS";
159 indices
[opts
[i
]] = j
;
164 for (i =
0; i
< n_opts
; i
++) {
165 # With identical flags, pick only the last one. The
166 # earlier loop ensured that it has all flags merged,
167 # and a nonempty help text if one of the texts was nonempty.
168 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
172 len =
length (opts
[i
]);
173 enum = opt_enum
(opts
[i
])
175 # If this switch takes joined arguments, back-chain all
176 # subsequent switches to it for which it is a prefix. If
177 # a later switch S is a longer prefix of a switch T, T
178 # will be back-chained to S in a later iteration of this
179 # for() loop, which is what we want.
180 if (flag_set_p
("Joined.*", flags
[i
])) {
181 for (j = i
+ 1; j
< n_opts
; j
++) {
182 if (substr (opts
[j
], 1, len
) != opts
[i
])
184 back_chain
[j
] = enum
;
188 s =
substr(" ", length (opts
[i
]))
195 hlp = quote help
[i
] quote
;
197 missing_arg_error = opt_args
("MissingArgError", flags
[i
])
198 if (missing_arg_error ==
"")
199 missing_arg_error =
"0"
201 missing_arg_error = quote missing_arg_error quote
203 neg = opt_args
("Negative", flags
[i
]);
207 if (flag_set_p
("RejectNegative", flags
[i
]))
210 if (opts
[i
] ~
"^[Wfm]")
211 idx = indices
[opts
[i
]];
216 # Split the printf after %u to work around an ia64-hp-hpux11.23
218 printf(" { %c-%s%c,\n %s,\n %s,\n %s, %u,",
219 quote
, opts
[i
], quote
, hlp
, missing_arg_error
,
221 printf(" %d,\n", idx
)
222 condition = opt_args
("Condition", flags
[i
])
223 cl_flags = switch_flags
(flags
[i
])
230 condition
, cl_flags
, cl_flags
)
232 printf(" %s,\n", cl_flags
)
233 printf(" %s, %s }%s\n", var_ref
(opts
[i
], flags
[i
]),
234 var_set
(flags
[i
]), comma
)
240 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
242 print "/* Save optimization variables into a structure. */"
244 print "cl_optimization_save (struct cl_optimization *ptr)";
251 var_opt_char
[0] =
"optimize";
252 var_opt_char
[1] =
"optimize_size";
253 var_opt_range
["optimize"] =
"0, 255";
254 var_opt_range
["optimize_size"] =
"0, 255";
256 # Sort by size to mimic how the structure is laid out to be friendlier to the
259 for (i =
0; i
< n_opts
; i
++) {
260 if (flag_set_p
("Optimization", flags
[i
])) {
261 name = var_name
(flags
[i
])
265 if(name in var_opt_seen
)
268 var_opt_seen
[name
]++;
269 otype = var_type_struct
(flags
[i
]);
270 if (otype ~
"^((un)?signed +)?int *$")
271 var_opt_int
[n_opt_int
++] = name
;
273 else if (otype ~
"^((un)?signed +)?short *$")
274 var_opt_short
[n_opt_short
++] = name
;
276 else if (otype ~
"^((un)?signed +)?char *$") {
277 var_opt_char
[n_opt_char
++] = name
;
278 if (otype ~
"^unsigned +char *$")
279 var_opt_range
[name
] =
"0, 255"
280 else if (otype ~
"^signed +char *$")
281 var_opt_range
[name
] =
"-128, 127"
284 var_opt_other
[n_opt_other
++] = name
;
288 for (i =
0; i
< n_opt_char
; i
++) {
289 name = var_opt_char
[i
];
290 if (var_opt_range
[name
] != "")
291 print " gcc_assert (IN_RANGE (" name
", " var_opt_range
[name
] "));";
295 for (i =
0; i
< n_opt_other
; i
++) {
296 print " ptr->" var_opt_other
[i
] " = " var_opt_other
[i
] ";";
299 for (i =
0; i
< n_opt_int
; i
++) {
300 print " ptr->" var_opt_int
[i
] " = " var_opt_int
[i
] ";";
303 for (i =
0; i
< n_opt_short
; i
++) {
304 print " ptr->" var_opt_short
[i
] " = " var_opt_short
[i
] ";";
307 for (i =
0; i
< n_opt_char
; i
++) {
308 print " ptr->" var_opt_char
[i
] " = " var_opt_char
[i
] ";";
314 print "/* Restore optimization options from a structure. */";
316 print "cl_optimization_restore (struct cl_optimization *ptr)";
319 for (i =
0; i
< n_opt_other
; i
++) {
320 print " " var_opt_other
[i
] " = ptr->" var_opt_other
[i
] ";";
323 for (i =
0; i
< n_opt_int
; i
++) {
324 print " " var_opt_int
[i
] " = ptr->" var_opt_int
[i
] ";";
327 for (i =
0; i
< n_opt_short
; i
++) {
328 print " " var_opt_short
[i
] " = ptr->" var_opt_short
[i
] ";";
331 for (i =
0; i
< n_opt_char
; i
++) {
332 print " " var_opt_char
[i
] " = ptr->" var_opt_char
[i
] ";";
335 print " targetm.override_options_after_change ();";
339 print "/* Print optimization options from a structure. */";
341 print "cl_optimization_print (FILE *file,";
342 print " int indent_to,";
343 print " struct cl_optimization *ptr)";
346 print " fputs (\"\\n\", file);";
347 for (i =
0; i
< n_opt_other
; i
++) {
348 print " if (ptr->" var_opt_other
[i
] ")";
349 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
350 print " indent_to, \"\",";
351 print " \"" var_opt_other
[i
] "\",";
352 print " (unsigned long)ptr->" var_opt_other
[i
] ");";
356 for (i =
0; i
< n_opt_int
; i
++) {
357 print " if (ptr->" var_opt_int
[i
] ")";
358 print " fprintf (file, \"%*s%s (%#x)\\n\",";
359 print " indent_to, \"\",";
360 print " \"" var_opt_int
[i
] "\",";
361 print " ptr->" var_opt_int
[i
] ");";
365 for (i =
0; i
< n_opt_short
; i
++) {
366 print " if (ptr->" var_opt_short
[i
] ")";
367 print " fprintf (file, \"%*s%s (%#x)\\n\",";
368 print " indent_to, \"\",";
369 print " \"" var_opt_short
[i
] "\",";
370 print " ptr->" var_opt_short
[i
] ");";
374 for (i =
0; i
< n_opt_char
; i
++) {
375 print " if (ptr->" var_opt_char
[i
] ")";
376 print " fprintf (file, \"%*s%s (%#x)\\n\",";
377 print " indent_to, \"\",";
378 print " \"" var_opt_char
[i
] "\",";
379 print " ptr->" var_opt_char
[i
] ");";
386 print "/* Save selected option variables into a structure. */"
388 print "cl_target_option_save (struct cl_target_option *ptr)";
397 for (i =
0; i
< n_opts
; i
++) {
398 if (flag_set_p
("Save", flags
[i
])) {
399 name = var_name
(flags
[i
])
401 name =
"target_flags";
403 if(name in var_save_seen
)
406 var_save_seen
[name
]++;
407 otype = var_type_struct
(flags
[i
])
408 if (otype ~
"^((un)?signed +)?int *$")
409 var_target_int
[n_target_int
++] = name
;
411 else if (otype ~
"^((un)?signed +)?short *$")
412 var_target_short
[n_target_short
++] = name
;
414 else if (otype ~
"^((un)?signed +)?char *$") {
415 var_target_char
[n_target_char
++] = name
;
416 if (otype ~
"^unsigned +char *$")
417 var_target_range
[name
] =
"0, 255"
418 else if (otype ~
"^signed +char *$")
419 var_target_range
[name
] =
"-128, 127"
422 var_target_other
[n_target_other
++] = name
;
426 var_target_int
[n_target_int
++] =
"target_flags";
430 for (i =
0; i
< n_target_char
; i
++) {
431 name = var_target_char
[i
];
432 if (var_target_range
[name
] != "") {
434 print " gcc_assert (IN_RANGE (" name
", " var_target_range
[name
] "));";
441 print " if (targetm.target_option.save)";
442 print " targetm.target_option.save (ptr);";
445 for (i =
0; i
< n_target_other
; i
++) {
446 print " ptr->" var_target_other
[i
] " = " var_target_other
[i
] ";";
449 for (i =
0; i
< n_target_int
; i
++) {
450 print " ptr->" var_target_int
[i
] " = " var_target_int
[i
] ";";
453 for (i =
0; i
< n_target_short
; i
++) {
454 print " ptr->" var_target_short
[i
] " = " var_target_short
[i
] ";";
457 for (i =
0; i
< n_target_char
; i
++) {
458 print " ptr->" var_target_char
[i
] " = " var_target_char
[i
] ";";
464 print "/* Restore selected current options from a structure. */";
466 print "cl_target_option_restore (struct cl_target_option *ptr)";
469 for (i =
0; i
< n_target_other
; i
++) {
470 print " " var_target_other
[i
] " = ptr->" var_target_other
[i
] ";";
473 for (i =
0; i
< n_target_int
; i
++) {
474 print " " var_target_int
[i
] " = ptr->" var_target_int
[i
] ";";
477 for (i =
0; i
< n_target_short
; i
++) {
478 print " " var_target_short
[i
] " = ptr->" var_target_short
[i
] ";";
481 for (i =
0; i
< n_target_char
; i
++) {
482 print " " var_target_char
[i
] " = ptr->" var_target_char
[i
] ";";
485 # This must occur after the normal variables in case the code depends on those
488 print " if (targetm.target_option.restore)";
489 print " targetm.target_option.restore (ptr);";
494 print "/* Print optimization options from a structure. */";
496 print "cl_target_option_print (FILE *file,";
497 print " int indent,";
498 print " struct cl_target_option *ptr)";
501 print " fputs (\"\\n\", file);";
502 for (i =
0; i
< n_target_other
; i
++) {
503 print " if (ptr->" var_target_other
[i
] ")";
504 print " fprintf (file, \"%*s%s (%#lx)\\n\",";
505 print " indent, \"\",";
506 print " \"" var_target_other
[i
] "\",";
507 print " (unsigned long)ptr->" var_target_other
[i
] ");";
511 for (i =
0; i
< n_target_int
; i
++) {
512 print " if (ptr->" var_target_int
[i
] ")";
513 print " fprintf (file, \"%*s%s (%#x)\\n\",";
514 print " indent, \"\",";
515 print " \"" var_target_int
[i
] "\",";
516 print " ptr->" var_target_int
[i
] ");";
520 for (i =
0; i
< n_target_short
; i
++) {
521 print " if (ptr->" var_target_short
[i
] ")";
522 print " fprintf (file, \"%*s%s (%#x)\\n\",";
523 print " indent, \"\",";
524 print " \"" var_target_short
[i
] "\",";
525 print " ptr->" var_target_short
[i
] ");";
529 for (i =
0; i
< n_target_char
; i
++) {
530 print " if (ptr->" var_target_char
[i
] ")";
531 print " fprintf (file, \"%*s%s (%#x)\\n\",";
532 print " indent, \"\",";
533 print " \"" var_target_char
[i
] "\",";
534 print " ptr->" var_target_char
[i
] ");";
539 print " if (targetm.target_option.print)";
540 print " targetm.target_option.print (file, indent, ptr);";