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_" opts
[i
]
174 if (opts
[i
] ==
"finline-limit=" || opts
[i
] ==
"Wlarger-than=" \
175 || opts
[i
] ==
"ftemplate-depth=")
177 gsub ("[^A-Za-z0-9]", "_", enum
)
179 # If this switch takes joined arguments, back-chain all
180 # subsequent switches to it for which it is a prefix. If
181 # a later switch S is a longer prefix of a switch T, T
182 # will be back-chained to S in a later iteration of this
183 # for() loop, which is what we want.
184 if (flag_set_p
("Joined.*", flags
[i
])) {
185 for (j = i
+ 1; j
< n_opts
; j
++) {
186 if (substr (opts
[j
], 1, len
) != opts
[i
])
188 back_chain
[j
] = enum
;
192 s =
substr(" ", length (opts
[i
]))
199 hlp = quote help
[i
] quote
;
201 neg = opt_args
("Negative", flags
[i
]);
205 if (flag_set_p
("RejectNegative", flags
[i
]))
208 if (opts
[i
] ~
"^[Wfm]")
209 idx = indices
[opts
[i
]];
214 # Split the printf after %u to work around an ia64-hp-hpux11.23
216 printf(" { %c-%s%c,\n %s,\n %s, %u,",
217 quote
, opts
[i
], quote
, hlp
, back_chain
[i
], len
)
218 printf(" %d,\n", idx
)
219 condition = opt_args
("Condition", flags
[i
])
220 cl_flags = switch_flags
(flags
[i
])
227 condition
, cl_flags
, cl_flags
)
229 printf(" %s,\n", cl_flags
)
230 printf(" %s, %s }%s\n", var_ref
(opts
[i
], flags
[i
]),
231 var_set
(flags
[i
]), comma
)
237 print "#if !defined(GCC_DRIVER) && !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
239 print "/* Save optimization variables into a structure. */"
241 print "cl_optimization_save (struct cl_optimization *ptr)";
248 var_opt_char
[0] =
"optimize";
249 var_opt_char
[1] =
"optimize_size";
250 var_opt_range
["optimize"] =
"0, 255";
251 var_opt_range
["optimize_size"] =
"0, 255";
253 # Sort by size to mimic how the structure is laid out to be friendlier to the
256 for (i =
0; i
< n_opts
; i
++) {
257 if (flag_set_p
("Optimization", flags
[i
])) {
258 name = var_name
(flags
[i
])
262 if(name in var_opt_seen
)
265 var_opt_seen
[name
]++;
266 otype = var_type_struct
(flags
[i
]);
267 if (otype ~
"^((un)?signed +)?int *$")
268 var_opt_int
[n_opt_int
++] = name
;
270 else if (otype ~
"^((un)?signed +)?short *$")
271 var_opt_short
[n_opt_short
++] = name
;
273 else if (otype ~
"^((un)?signed +)?char *$") {
274 var_opt_char
[n_opt_char
++] = name
;
275 if (otype ~
"^unsigned +char *$")
276 var_opt_range
[name
] =
"0, 255"
277 else if (otype ~
"^signed +char *$")
278 var_opt_range
[name
] =
"-128, 127"
281 var_opt_other
[n_opt_other
++] = name
;
285 for (i =
0; i
< n_opt_char
; i
++) {
286 name = var_opt_char
[i
];
287 if (var_opt_range
[name
] != "")
288 print " gcc_assert (IN_RANGE (" name
", " var_opt_range
[name
] "));";
292 for (i =
0; i
< n_opt_other
; i
++) {
293 print " ptr->" var_opt_other
[i
] " = " var_opt_other
[i
] ";";
296 for (i =
0; i
< n_opt_int
; i
++) {
297 print " ptr->" var_opt_int
[i
] " = " var_opt_int
[i
] ";";
300 for (i =
0; i
< n_opt_short
; i
++) {
301 print " ptr->" var_opt_short
[i
] " = " var_opt_short
[i
] ";";
304 for (i =
0; i
< n_opt_char
; i
++) {
305 print " ptr->" var_opt_char
[i
] " = " var_opt_char
[i
] ";";
311 print "/* Restore optimization options from a structure. */";
313 print "cl_optimization_restore (struct cl_optimization *ptr)";
316 for (i =
0; i
< n_opt_other
; i
++) {
317 print " " var_opt_other
[i
] " = ptr->" var_opt_other
[i
] ";";
320 for (i =
0; i
< n_opt_int
; i
++) {
321 print " " var_opt_int
[i
] " = ptr->" var_opt_int
[i
] ";";
324 for (i =
0; i
< n_opt_short
; i
++) {
325 print " " var_opt_short
[i
] " = ptr->" var_opt_short
[i
] ";";
328 for (i =
0; i
< n_opt_char
; i
++) {
329 print " " var_opt_char
[i
] " = ptr->" var_opt_char
[i
] ";";
332 print " targetm.override_options_after_change ();";
336 print "/* Print optimization options from a structure. */";
338 print "cl_optimization_print (FILE *file,";
339 print " int indent_to,";
340 print " struct cl_optimization *ptr)";
343 print " fputs (\"\\n\", file);";
344 for (i =
0; i
< n_opt_other
; i
++) {
345 print " if (ptr->" var_opt_other
[i
] ")";
346 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
347 print " indent_to, \"\",";
348 print " \"" var_opt_other
[i
] "\",";
349 print " (unsigned long)ptr->" var_opt_other
[i
] ");";
353 for (i =
0; i
< n_opt_int
; i
++) {
354 print " if (ptr->" var_opt_int
[i
] ")";
355 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
356 print " indent_to, \"\",";
357 print " \"" var_opt_int
[i
] "\",";
358 print " ptr->" var_opt_int
[i
] ");";
362 for (i =
0; i
< n_opt_short
; i
++) {
363 print " if (ptr->" var_opt_short
[i
] ")";
364 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
365 print " indent_to, \"\",";
366 print " \"" var_opt_short
[i
] "\",";
367 print " ptr->" var_opt_short
[i
] ");";
371 for (i =
0; i
< n_opt_char
; i
++) {
372 print " if (ptr->" var_opt_char
[i
] ")";
373 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
374 print " indent_to, \"\",";
375 print " \"" var_opt_char
[i
] "\",";
376 print " ptr->" var_opt_char
[i
] ");";
383 print "/* Save selected option variables into a structure. */"
385 print "cl_target_option_save (struct cl_target_option *ptr)";
394 for (i =
0; i
< n_opts
; i
++) {
395 if (flag_set_p
("Save", flags
[i
])) {
396 name = var_name
(flags
[i
])
398 name =
"target_flags";
400 if(name in var_save_seen
)
403 var_save_seen
[name
]++;
404 otype = var_type_struct
(flags
[i
])
405 if (otype ~
"^((un)?signed +)?int *$")
406 var_target_int
[n_target_int
++] = name
;
408 else if (otype ~
"^((un)?signed +)?short *$")
409 var_target_short
[n_target_short
++] = name
;
411 else if (otype ~
"^((un)?signed +)?char *$") {
412 var_target_char
[n_target_char
++] = name
;
413 if (otype ~
"^unsigned +char *$")
414 var_target_range
[name
] =
"0, 255"
415 else if (otype ~
"^signed +char *$")
416 var_target_range
[name
] =
"-128, 127"
419 var_target_other
[n_target_other
++] = name
;
423 var_target_int
[n_target_int
++] =
"target_flags";
427 for (i =
0; i
< n_target_char
; i
++) {
428 name = var_target_char
[i
];
429 if (var_target_range
[name
] != "") {
431 print " gcc_assert (IN_RANGE (" name
", " var_target_range
[name
] "));";
438 print " if (targetm.target_option.save)";
439 print " targetm.target_option.save (ptr);";
442 for (i =
0; i
< n_target_other
; i
++) {
443 print " ptr->" var_target_other
[i
] " = " var_target_other
[i
] ";";
446 for (i =
0; i
< n_target_int
; i
++) {
447 print " ptr->" var_target_int
[i
] " = " var_target_int
[i
] ";";
450 for (i =
0; i
< n_target_short
; i
++) {
451 print " ptr->" var_target_short
[i
] " = " var_target_short
[i
] ";";
454 for (i =
0; i
< n_target_char
; i
++) {
455 print " ptr->" var_target_char
[i
] " = " var_target_char
[i
] ";";
461 print "/* Restore selected current options from a structure. */";
463 print "cl_target_option_restore (struct cl_target_option *ptr)";
466 for (i =
0; i
< n_target_other
; i
++) {
467 print " " var_target_other
[i
] " = ptr->" var_target_other
[i
] ";";
470 for (i =
0; i
< n_target_int
; i
++) {
471 print " " var_target_int
[i
] " = ptr->" var_target_int
[i
] ";";
474 for (i =
0; i
< n_target_short
; i
++) {
475 print " " var_target_short
[i
] " = ptr->" var_target_short
[i
] ";";
478 for (i =
0; i
< n_target_char
; i
++) {
479 print " " var_target_char
[i
] " = ptr->" var_target_char
[i
] ";";
482 # This must occur after the normal variables in case the code depends on those
485 print " if (targetm.target_option.restore)";
486 print " targetm.target_option.restore (ptr);";
491 print "/* Print optimization options from a structure. */";
493 print "cl_target_option_print (FILE *file,";
494 print " int indent,";
495 print " struct cl_target_option *ptr)";
498 print " fputs (\"\\n\", file);";
499 for (i =
0; i
< n_target_other
; i
++) {
500 print " if (ptr->" var_target_other
[i
] ")";
501 print " fprintf (file, \"%*s%s (0x%lx)\\n\",";
502 print " indent, \"\",";
503 print " \"" var_target_other
[i
] "\",";
504 print " (unsigned long)ptr->" var_target_other
[i
] ");";
508 for (i =
0; i
< n_target_int
; i
++) {
509 print " if (ptr->" var_target_int
[i
] ")";
510 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
511 print " indent, \"\",";
512 print " \"" var_target_int
[i
] "\",";
513 print " ptr->" var_target_int
[i
] ");";
517 for (i =
0; i
< n_target_short
; i
++) {
518 print " if (ptr->" var_target_short
[i
] ")";
519 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
520 print " indent, \"\",";
521 print " \"" var_target_short
[i
] "\",";
522 print " ptr->" var_target_short
[i
] ");";
526 for (i =
0; i
< n_target_char
; i
++) {
527 print " if (ptr->" var_target_char
[i
] ")";
528 print " fprintf (file, \"%*s%s (0x%x)\\n\",";
529 print " indent, \"\",";
530 print " \"" var_target_char
[i
] "\",";
531 print " ptr->" var_target_char
[i
] ");";
536 print " if (targetm.target_option.print)";
537 print " targetm.target_option.print (file, indent, ptr);";