1 # Copyright (C) 2003, 2004, 2007, 2008 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];
151 back_chain
[i
] =
"N_OPTS";
152 indices
[opts
[i
]] = j
;
157 for (i =
0; i
< n_opts
; i
++) {
158 # Combine the flags of identical switches. Switches
159 # appear many times if they are handled by many front
161 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
162 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
166 len =
length (opts
[i
]);
167 enum =
"OPT_" opts
[i
]
168 if (opts
[i
] ==
"finline-limit=" || opts
[i
] ==
"Wlarger-than=")
170 gsub ("[^A-Za-z0-9]", "_", enum
)
172 # If this switch takes joined arguments, back-chain all
173 # subsequent switches to it for which it is a prefix. If
174 # a later switch S is a longer prefix of a switch T, T
175 # will be back-chained to S in a later iteration of this
176 # for() loop, which is what we want.
177 if (flag_set_p
("Joined.*", flags
[i
])) {
178 for (j = i
+ 1; j
< n_opts
; j
++) {
179 if (substr (opts
[j
], 1, len
) != opts
[i
])
181 back_chain
[j
] = enum
;
185 s =
substr(" ", length (opts
[i
]))
192 hlp = quote help
[i
] quote
;
194 neg = opt_args
("Negative", flags
[i
]);
198 if (flag_set_p
("RejectNegative", flags
[i
]))
201 if (opts
[i
] ~
"^[Wfm]")
202 idx = indices
[opts
[i
]];
207 # Split the printf after %u to work around an ia64-hp-hpux11.23
209 printf(" { %c-%s%c,\n %s,\n %s, %u,",
210 quote
, opts
[i
], quote
, hlp
, back_chain
[i
], len
)
211 printf(" %d,\n", idx
)
212 condition = opt_args
("Condition", flags
[i
])
213 cl_flags = switch_flags
(flags
[i
])
220 condition
, cl_flags
, cl_flags
)
222 printf(" %s,\n", cl_flags
)
223 printf(" %s, %s }%s\n", var_ref
(opts
[i
], flags
[i
]),
224 var_set
(flags
[i
]), comma
)
230 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
232 print "/* Save optimization variables into a structure. */"
234 print "cl_optimization_save (struct cl_optimization *ptr)";
241 var_opt_char
[0] =
"optimize";
242 var_opt_char
[1] =
"optimize_size";
243 var_opt_range
["optimize"] =
"0, 255";
244 var_opt_range
["optimize_size"] =
"0, 255";
246 # Sort by size to mimic how the structure is laid out to be friendlier to the
249 for (i =
0; i
< n_opts
; i
++) {
250 if (flag_set_p
("Optimization", flags
[i
])) {
251 name = var_name
(flags
[i
])
255 if(name in var_opt_seen
)
258 var_opt_seen
[name
]++;
259 otype = var_type_struct
(flags
[i
]);
260 if (otype ~
"^((un)?signed +)?int *$")
261 var_opt_int
[n_opt_int
++] = name
;
263 else if (otype ~
"^((un)?signed +)?short *$")
264 var_opt_short
[n_opt_short
++] = name
;
266 else if (otype ~
"^((un)?signed +)?char *$") {
267 var_opt_char
[n_opt_char
++] = name
;
268 if (otype ~
"^unsigned +char *$")
269 var_opt_range
[name
] =
"0, 255"
270 else if (otype ~
"^signed +char *$")
271 var_opt_range
[name
] =
"-128, 127"
274 var_opt_other
[n_opt_other
++] = name
;
278 for (i =
0; i
< n_opt_char
; i
++) {
279 name = var_opt_char
[i
];
280 if (var_opt_range
[name
] != "")
281 print " gcc_assert (IN_RANGE (" name
", " var_opt_range
[name
] "));";
285 for (i =
0; i
< n_opt_other
; i
++) {
286 print " ptr->" var_opt_other
[i
] " = " var_opt_other
[i
] ";";
289 for (i =
0; i
< n_opt_int
; i
++) {
290 print " ptr->" var_opt_int
[i
] " = " var_opt_int
[i
] ";";
293 for (i =
0; i
< n_opt_short
; i
++) {
294 print " ptr->" var_opt_short
[i
] " = " var_opt_short
[i
] ";";
297 for (i =
0; i
< n_opt_char
; i
++) {
298 print " ptr->" var_opt_char
[i
] " = " var_opt_char
[i
] ";";
304 print "/* Restore optimization options from a structure. */";
306 print "cl_optimization_restore (struct cl_optimization *ptr)";
309 for (i =
0; i
< n_opt_other
; i
++) {
310 print " " var_opt_other
[i
] " = ptr->" var_opt_other
[i
] ";";
313 for (i =
0; i
< n_opt_int
; i
++) {
314 print " " var_opt_int
[i
] " = ptr->" var_opt_int
[i
] ";";
317 for (i =
0; i
< n_opt_short
; i
++) {
318 print " " var_opt_short
[i
] " = ptr->" var_opt_short
[i
] ";";
321 for (i =
0; i
< n_opt_char
; i
++) {
322 print " " var_opt_char
[i
] " = ptr->" var_opt_char
[i
] ";";
328 print "/* Print optimization options from a structure. */";
330 print "cl_optimization_print (FILE *file,";
331 print " int indent_to,";
332 print " struct cl_optimization *ptr)";
335 print " fputs (\"\\n\", file);";
336 for (i =
0; i
< n_opt_other
; i
++) {
337 print " if (ptr->" var_opt_other
[i
] ")";
338 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
339 print " indent_to, \"\",";
340 print " \"" var_opt_other
[i
] "\",";
341 print " (unsigned long)ptr->" var_opt_other
[i
] ");";
345 for (i =
0; i
< n_opt_int
; i
++) {
346 print " if (ptr->" var_opt_int
[i
] ")";
347 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
348 print " indent_to, \"\",";
349 print " \"" var_opt_int
[i
] "\",";
350 print " ptr->" var_opt_int
[i
] ");";
354 for (i =
0; i
< n_opt_short
; i
++) {
355 print " if (ptr->" var_opt_short
[i
] ")";
356 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
357 print " indent_to, \"\",";
358 print " \"" var_opt_short
[i
] "\",";
359 print " ptr->" var_opt_short
[i
] ");";
363 for (i =
0; i
< n_opt_char
; i
++) {
364 print " if (ptr->" var_opt_char
[i
] ")";
365 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
366 print " indent_to, \"\",";
367 print " \"" var_opt_char
[i
] "\",";
368 print " ptr->" var_opt_char
[i
] ");";
375 print "/* Save selected option variables into a structure. */"
377 print "cl_target_option_save (struct cl_target_option *ptr)";
386 for (i =
0; i
< n_opts
; i
++) {
387 if (flag_set_p
("Save", flags
[i
])) {
388 name = var_name
(flags
[i
])
390 name =
"target_flags";
392 if(name in var_save_seen
)
395 var_save_seen
[name
]++;
396 otype = var_type_struct
(flags
[i
])
397 if (otype ~
"^((un)?signed +)?int *$")
398 var_target_int
[n_target_int
++] = name
;
400 else if (otype ~
"^((un)?signed +)?short *$")
401 var_target_short
[n_target_short
++] = name
;
403 else if (otype ~
"^((un)?signed +)?char *$") {
404 var_target_char
[n_target_char
++] = name
;
405 if (otype ~
"^unsigned +char *$")
406 var_target_range
[name
] =
"0, 255"
407 else if (otype ~
"^signed +char *$")
408 var_target_range
[name
] =
"-128, 127"
411 var_target_other
[n_target_other
++] = name
;
415 var_target_int
[n_target_int
++] =
"target_flags";
419 for (i =
0; i
< n_target_char
; i
++) {
420 name = var_target_char
[i
];
421 if (var_target_range
[name
] != "") {
423 print " gcc_assert (IN_RANGE (" name
", " var_target_range
[name
] "));";
430 print " if (targetm.target_option.save)";
431 print " targetm.target_option.save (ptr);";
434 for (i =
0; i
< n_target_other
; i
++) {
435 print " ptr->" var_target_other
[i
] " = " var_target_other
[i
] ";";
438 for (i =
0; i
< n_target_int
; i
++) {
439 print " ptr->" var_target_int
[i
] " = " var_target_int
[i
] ";";
442 for (i =
0; i
< n_target_short
; i
++) {
443 print " ptr->" var_target_short
[i
] " = " var_target_short
[i
] ";";
446 for (i =
0; i
< n_target_char
; i
++) {
447 print " ptr->" var_target_char
[i
] " = " var_target_char
[i
] ";";
453 print "/* Restore selected current options from a structure. */";
455 print "cl_target_option_restore (struct cl_target_option *ptr)";
458 for (i =
0; i
< n_target_other
; i
++) {
459 print " " var_target_other
[i
] " = ptr->" var_target_other
[i
] ";";
462 for (i =
0; i
< n_target_int
; i
++) {
463 print " " var_target_int
[i
] " = ptr->" var_target_int
[i
] ";";
466 for (i =
0; i
< n_target_short
; i
++) {
467 print " " var_target_short
[i
] " = ptr->" var_target_short
[i
] ";";
470 for (i =
0; i
< n_target_char
; i
++) {
471 print " " var_target_char
[i
] " = ptr->" var_target_char
[i
] ";";
474 # This must occur after the normal variables in case the code depends on those
477 print " if (targetm.target_option.restore)";
478 print " targetm.target_option.restore (ptr);";
483 print "/* Print optimization options from a structure. */";
485 print "cl_target_option_print (FILE *file,";
486 print " int indent,";
487 print " struct cl_target_option *ptr)";
490 print " fputs (\"\\n\", file);";
491 for (i =
0; i
< n_target_other
; i
++) {
492 print " if (ptr->" var_target_other
[i
] ")";
493 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
494 print " indent, \"\",";
495 print " \"" var_target_other
[i
] "\",";
496 print " (unsigned long)ptr->" var_target_other
[i
] ");";
500 for (i =
0; i
< n_target_int
; i
++) {
501 print " if (ptr->" var_target_int
[i
] ")";
502 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
503 print " indent, \"\",";
504 print " \"" var_target_int
[i
] "\",";
505 print " ptr->" var_target_int
[i
] ");";
509 for (i =
0; i
< n_target_short
; i
++) {
510 print " if (ptr->" var_target_short
[i
] ")";
511 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
512 print " indent, \"\",";
513 print " \"" var_target_short
[i
] "\",";
514 print " ptr->" var_target_short
[i
] ");";
518 for (i =
0; i
< n_target_char
; i
++) {
519 print " if (ptr->" var_target_char
[i
] ")";
520 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
521 print " indent, \"\",";
522 print " \"" var_target_char
[i
] "\",";
523 print " ptr->" var_target_char
[i
] ");";
528 print " if (targetm.target_option.print)";
529 print " targetm.target_option.print (file, indent, ptr);";