1 # Copyright (C) 2003-2013 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 and code from
25 # Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
26 # < inputfile > options.h
28 # Dump out an enumeration into a .h file.
29 # Combine the flags of duplicate options.
31 print "/* This file is auto-generated by opth-gen.awk. */"
33 print "#ifndef OPTIONS_H"
34 print "#define OPTIONS_H"
36 print "#include \"flag-types.h\""
39 if (n_extra_h_includes
> 0) {
40 for (i =
0; i
< n_extra_h_includes
; i
++) {
41 print "#include " quote extra_h_includes
[i
] quote
46 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
47 print "#ifndef GENERATOR_FILE"
48 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
49 print "struct GTY(()) gcc_options"
51 print "struct gcc_options"
56 for (i =
0; i
< n_extra_vars
; i
++) {
63 sub("^.*[ *]", "", name
)
64 sub("\\[.*\\]$", "", name
)
65 sub("\\[.*\\]$", "", type
)
66 sub(" *" name
"$", "", type
)
67 sub("^.*" name
, "", type_after
)
69 print "#ifdef GENERATOR_FILE"
70 print "extern " orig_var
";"
72 print " " type
" x_" name type_after
";"
73 print "#define " name
" global_options.x_" name
77 for (i =
0; i
< n_opts
; i
++) {
78 if (flag_set_p
("Save", flags
[i
]))
81 name = var_name
(flags
[i
]);
89 print "#ifdef GENERATOR_FILE"
90 print "extern " var_type
(flags
[i
]) name
";"
92 print " " var_type
(flags
[i
]) "x_" name
";"
93 print "#define " name
" global_options.x_" name
96 for (i =
0; i
< n_opts
; i
++) {
97 name = static_var
(opts
[i
], flags
[i
]);
99 print "#ifndef GENERATOR_FILE"
100 print " " var_type
(flags
[i
]) "x_" name
";"
101 print "#define x_" name
" do_not_use"
105 for (i =
0; i
< n_opts
; i
++) {
106 if (flag_set_p
("SetByCombined", flags
[i
])) {
107 print "#ifndef GENERATOR_FILE"
108 print " bool frontend_set_" var_name
(flags
[i
]) ";"
112 print "#ifndef GENERATOR_FILE"
114 print "extern struct gcc_options global_options;"
115 print "extern const struct gcc_options global_options_init;"
116 print "extern struct gcc_options global_options_set;"
121 # All of the optimization switches gathered together so they can be saved and restored.
122 # This will allow attribute((cold)) to turn on space optimization.
124 # Change the type of normal switches from int to unsigned char to save space.
125 # Also, order the structure so that pointer fields occur first, then int
126 # fields, and then char fields to provide the best packing.
128 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
130 print "/* Structure to save/restore optimization and target specific options. */";
131 print "struct GTY(()) cl_optimization";
139 var_opt_char
[0] =
"unsigned char x_optimize";
140 var_opt_char
[1] =
"unsigned char x_optimize_size";
141 var_opt_enum
[0] =
"enum fp_contract_mode x_flag_fp_contract_mode";
143 for (i =
0; i
< n_opts
; i
++) {
144 if (flag_set_p
("Optimization", flags
[i
])) {
145 name = var_name
(flags
[i
])
149 if(name in var_opt_seen
)
152 var_opt_seen
[name
]++;
153 otype = var_type_struct
(flags
[i
]);
154 if (otype ~
"^((un)?signed +)?int *$")
155 var_opt_int
[n_opt_int
++] = otype
"x_" name
;
157 else if (otype ~
"^((un)?signed +)?short *$")
158 var_opt_short
[n_opt_short
++] = otype
"x_" name
;
160 else if (otype ~
"^((un)?signed +)?char *$")
161 var_opt_char
[n_opt_char
++] = otype
"x_" name
;
163 else if (otype ~
("^enum +[_" alnum
"]+ *$"))
164 var_opt_enum
[n_opt_enum
++] = otype
"x_" name
;
167 var_opt_other
[n_opt_other
++] = otype
"x_" name
;
171 for (i =
0; i
< n_opt_other
; i
++) {
172 print " " var_opt_other
[i
] ";";
175 for (i =
0; i
< n_opt_int
; i
++) {
176 print " " var_opt_int
[i
] ";";
179 for (i =
0; i
< n_opt_enum
; i
++) {
180 print " " var_opt_enum
[i
] ";";
183 for (i =
0; i
< n_opt_short
; i
++) {
184 print " " var_opt_short
[i
] ";";
187 for (i =
0; i
< n_opt_char
; i
++) {
188 print " " var_opt_char
[i
] ";";
194 # Target and optimization save/restore/print functions.
195 print "/* Structure to save/restore selected target specific options. */";
196 print "struct GTY(()) cl_target_option";
205 for (i =
0; i
< n_target_save
; i
++) {
206 if (target_save_decl
[i
] ~
"^((un)?signed +)?int +[_" alnum
"]+$")
207 var_target_int
[n_target_int
++] = target_save_decl
[i
];
209 else if (target_save_decl
[i
] ~
"^((un)?signed +)?short +[_" alnum
"]+$")
210 var_target_short
[n_target_short
++] = target_save_decl
[i
];
212 else if (target_save_decl
[i
] ~
"^((un)?signed +)?char +[_ " alnum
"]+$")
213 var_target_char
[n_target_char
++] = target_save_decl
[i
];
215 else if (target_save_decl
[i
] ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+$")) {
216 var_target_enum
[n_target_enum
++] = target_save_decl
[i
];
219 var_target_other
[n_target_other
++] = target_save_decl
[i
];
223 for (i =
0; i
< n_opts
; i
++) {
224 if (flag_set_p
("Save", flags
[i
])) {
225 name = var_name
(flags
[i
])
227 name =
"target_flags";
229 if(name in var_save_seen
)
232 var_save_seen
[name
]++;
233 otype = var_type_struct
(flags
[i
])
234 if (otype ~
"^((un)?signed +)?int *$")
235 var_target_int
[n_target_int
++] = otype
"x_" name
;
237 else if (otype ~
"^((un)?signed +)?short *$")
238 var_target_short
[n_target_short
++] = otype
"x_" name
;
240 else if (otype ~
"^((un)?signed +)?char *$")
241 var_target_char
[n_target_char
++] = otype
"x_" name
;
243 else if (otype ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+"))
244 var_target_enum
[n_target_enum
++] = otype
"x_" name
;
247 var_target_other
[n_target_other
++] = otype
"x_" name
;
251 var_target_int
[n_target_int
++] =
"int x_target_flags";
254 for (i =
0; i
< n_target_other
; i
++) {
255 print " " var_target_other
[i
] ";";
258 for (i =
0; i
< n_target_enum
; i
++) {
259 print " " var_target_enum
[i
] ";";
262 for (i =
0; i
< n_target_int
; i
++) {
263 print " " var_target_int
[i
] ";";
266 for (i =
0; i
< n_target_short
; i
++) {
267 print " " var_target_short
[i
] ";";
270 for (i =
0; i
< n_target_char
; i
++) {
271 print " " var_target_char
[i
] ";";
277 print "/* Save optimization variables into a structure. */"
278 print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
280 print "/* Restore optimization variables from a structure. */";
281 print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
283 print "/* Print optimization variables from a structure. */";
284 print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
286 print "/* Save selected option variables into a structure. */"
287 print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
289 print "/* Restore selected option variables from a structure. */"
290 print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
292 print "/* Print target option variables from a structure. */";
293 print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
295 print "/* Anything that includes tm.h, does not necessarily need this. */"
296 print "#if !defined(GCC_TM_H)"
297 print "#include \"input.h\" /* for location_t */"
299 print "common_handle_option_auto (struct gcc_options *opts, "
300 print " struct gcc_options *opts_set, "
301 print " const struct cl_decoded_option *decoded, "
302 print " unsigned int lang_mask, int kind, "
303 print " location_t loc, "
304 print " const struct cl_option_handlers *handlers, "
305 print " diagnostic_context *dc); "
306 for (i =
0; i
< n_langs
; i
++) {
307 lang_name = lang_sanitized_name
(langs
[i
]);
309 print lang_name
"_handle_option_auto (struct gcc_options *opts, "
310 print " struct gcc_options *opts_set, "
311 print " size_t scode, const char *arg, int value, "
312 print " unsigned int lang_mask, int kind, "
313 print " location_t loc, "
314 print " const struct cl_option_handlers *handlers, "
315 print " diagnostic_context *dc); "
321 for (i =
0; i
< n_opts
; i
++) {
322 name = opt_args
("Mask", flags
[i
])
324 opt = opt_args
("InverseMask", flags
[i
])
326 name = nth_arg
(0, opt
)
330 if (name
!= "" && mask_bits
[name
] ==
0) {
332 vname = var_name
(flags
[i
])
336 mask =
"OPTION_MASK_"
337 if (host_wide_int
[vname
] ==
"yes")
338 mask_1 =
"HOST_WIDE_INT_1"
340 extra_mask_bits
[name
] =
1
341 print "#define " mask name
" (" mask_1
" << " masknum
[vname
]++ ")"
344 for (i =
0; i
< n_extra_masks
; i
++) {
345 if (extra_mask_bits
[extra_masks
[i
]] ==
0)
346 print "#define MASK_" extra_masks
[i
] " (1 << " masknum
[""]++ ")"
349 for (var in masknum
) {
350 if (var
!= "" && host_wide_int
[var
] ==
"yes") {
351 print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum
[var
] " >= HOST_BITS_PER_WIDE_INT"
352 print "#error too many masks for " var
355 else if (masknum
[var
] > 31) {
357 print "#error too many target masks"
359 print "#error too many masks for " var
364 for (i =
0; i
< n_opts
; i
++) {
365 name = opt_args
("Mask", flags
[i
])
367 opt = opt_args
("InverseMask", flags
[i
])
369 name = nth_arg
(0, opt
)
373 if (name
!= "" && mask_macros
[name
] ==
0) {
374 mask_macros
[name
] =
1
375 vname = var_name
(flags
[i
])
376 mask =
"OPTION_MASK_"
378 vname =
"target_flags"
380 extra_mask_macros
[name
] =
1
382 print "#define TARGET_" name \
383 " ((" vname
" & " mask name
") != 0)"
384 print "#define TARGET_" name
"_P(" vname
")" \
385 " ((" vname
" & " mask name
") != 0)"
388 for (i =
0; i
< n_extra_masks
; i
++) {
389 if (extra_mask_macros
[extra_masks
[i
]] ==
0)
390 print "#define TARGET_" extra_masks
[i
] \
391 " ((target_flags & MASK_" extra_masks
[i
] ") != 0)"
395 for (i =
0; i
< n_opts
; i
++) {
396 opt = opt_args
("InverseMask", flags
[i
])
398 vname = var_name
(flags
[i
])
399 mask =
"OPTION_MASK_"
401 vname =
"target_flags"
404 print "#define TARGET_" nth_arg
(1, opt
) \
405 " ((" vname
" & " mask nth_arg
(0, opt
) ") == 0)"
410 for (i =
0; i
< n_langs
; i
++) {
411 macros
[i
] =
"CL_" lang_sanitized_name
(langs
[i
])
412 s =
substr(" ", length (macros
[i
]))
413 print "#define " macros
[i
] s
" (1U << " i
")"
415 print "#define CL_LANG_ALL ((1U << " n_langs
") - 1)"
418 print "enum opt_code"
421 for (i =
0; i
< n_opts
; i
++)
422 back_chain
[i
] =
"N_OPTS";
425 for (i =
0; i
< n_opts
; i
++) {
426 # Combine the flags of identical switches. Switches
427 # appear many times if they are handled by many front
429 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
430 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
434 len =
length (opts
[i
]);
435 enum = opt_enum
(opts
[i
])
436 enum_string = enum
" = " enum_value
","
438 # Aliases do not get enumeration names.
439 if ((flag_set_p
("Alias.*", flags
[i
]) \
440 && !flag_set_p
("SeparateAlias", flags
[i
])) \
441 || flag_set_p
("Ignore", flags
[i
])) {
442 enum_string =
"/* " enum_string
" */"
445 # If this switch takes joined arguments, back-chain all
446 # subsequent switches to it for which it is a prefix. If
447 # a later switch S is a longer prefix of a switch T, T
448 # will be back-chained to S in a later iteration of this
449 # for() loop, which is what we want.
450 if (flag_set_p
("Joined.*", flags
[i
])) {
451 for (j = i
+ 1; j
< n_opts
; j
++) {
452 if (substr (opts
[j
], 1, len
) != opts
[i
])
454 back_chain
[j
] = enum
;
459 length (enum_string
))
464 hlp =
"N_(\"" help
[i
] "\")";
466 print " " enum_string s
"/* -" opts
[i
] " */"
471 print " OPT_SPECIAL_unknown,"
472 print " OPT_SPECIAL_ignore,"
473 print " OPT_SPECIAL_program_name,"
474 print " OPT_SPECIAL_input_file"
477 print "#endif /* OPTIONS_H */"