1 # Copyright (C) 2003-2015 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;"
117 print "#define target_flags_explicit global_options_set.x_target_flags"
122 # All of the optimization switches gathered together so they can be saved and restored.
123 # This will allow attribute((cold)) to turn on space optimization.
125 # Change the type of normal switches from int to unsigned char to save space.
126 # Also, order the structure so that pointer fields occur first, then int
127 # fields, and then char fields to provide the best packing.
129 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
131 print "/* Structure to save/restore optimization and target specific options. */";
132 print "struct GTY(()) cl_optimization";
140 var_opt_char
[0] =
"unsigned char x_optimize";
141 var_opt_char
[1] =
"unsigned char x_optimize_size";
142 var_opt_enum
[0] =
"enum fp_contract_mode x_flag_fp_contract_mode";
144 for (i =
0; i
< n_opts
; i
++) {
145 if (flag_set_p
("Optimization", flags
[i
])) {
146 name = var_name
(flags
[i
])
150 if(name in var_opt_seen
)
153 var_opt_seen
[name
]++;
154 otype = var_type_struct
(flags
[i
]);
155 if (otype ~
"^((un)?signed +)?int *$")
156 var_opt_int
[n_opt_int
++] = otype
"x_" name
;
158 else if (otype ~
"^((un)?signed +)?short *$")
159 var_opt_short
[n_opt_short
++] = otype
"x_" name
;
161 else if (otype ~
"^((un)?signed +)?char *$")
162 var_opt_char
[n_opt_char
++] = otype
"x_" name
;
164 else if (otype ~
("^enum +[_" alnum
"]+ *$"))
165 var_opt_enum
[n_opt_enum
++] = otype
"x_" name
;
168 var_opt_other
[n_opt_other
++] = otype
"x_" name
;
172 for (i =
0; i
< n_opt_other
; i
++) {
173 print " " var_opt_other
[i
] ";";
176 for (i =
0; i
< n_opt_int
; i
++) {
177 print " " var_opt_int
[i
] ";";
180 for (i =
0; i
< n_opt_enum
; i
++) {
181 print " " var_opt_enum
[i
] ";";
184 for (i =
0; i
< n_opt_short
; i
++) {
185 print " " var_opt_short
[i
] ";";
188 for (i =
0; i
< n_opt_char
; i
++) {
189 print " " var_opt_char
[i
] ";";
195 # Target and optimization save/restore/print functions.
196 print "/* Structure to save/restore selected target specific options. */";
197 print "struct GTY(()) cl_target_option";
206 for (i =
0; i
< n_target_save
; i
++) {
207 if (target_save_decl
[i
] ~
"^((un)?signed +)?int +[_" alnum
"]+$")
208 var_target_int
[n_target_int
++] = target_save_decl
[i
];
210 else if (target_save_decl
[i
] ~
"^((un)?signed +)?short +[_" alnum
"]+$")
211 var_target_short
[n_target_short
++] = target_save_decl
[i
];
213 else if (target_save_decl
[i
] ~
"^((un)?signed +)?char +[_ " alnum
"]+$")
214 var_target_char
[n_target_char
++] = target_save_decl
[i
];
216 else if (target_save_decl
[i
] ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+$")) {
217 var_target_enum
[n_target_enum
++] = target_save_decl
[i
];
220 var_target_other
[n_target_other
++] = target_save_decl
[i
];
224 for (i =
0; i
< n_opts
; i
++) {
225 if (flag_set_p
("Save", flags
[i
])) {
226 name = var_name
(flags
[i
])
228 name =
"target_flags";
230 if(name in var_save_seen
)
233 var_save_seen
[name
]++;
234 otype = var_type_struct
(flags
[i
])
235 if (otype ~
"^((un)?signed +)?int *$")
236 var_target_int
[n_target_int
++] = otype
"x_" name
;
238 else if (otype ~
"^((un)?signed +)?short *$")
239 var_target_short
[n_target_short
++] = otype
"x_" name
;
241 else if (otype ~
"^((un)?signed +)?char *$")
242 var_target_char
[n_target_char
++] = otype
"x_" name
;
244 else if (otype ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+"))
245 var_target_enum
[n_target_enum
++] = otype
"x_" name
;
248 var_target_other
[n_target_other
++] = otype
"x_" name
;
252 var_target_int
[n_target_int
++] =
"int x_target_flags";
255 for (i =
0; i
< n_target_other
; i
++) {
256 print " " var_target_other
[i
] ";";
259 for (i =
0; i
< n_target_enum
; i
++) {
260 print " " var_target_enum
[i
] ";";
263 for (i =
0; i
< n_target_int
; i
++) {
264 print " " var_target_int
[i
] ";";
267 for (i =
0; i
< n_target_short
; i
++) {
268 print " " var_target_short
[i
] ";";
271 for (i =
0; i
< n_target_char
; i
++) {
272 print " " var_target_char
[i
] ";";
278 print "/* Save optimization variables into a structure. */"
279 print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
281 print "/* Restore optimization variables from a structure. */";
282 print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
284 print "/* Print optimization variables from a structure. */";
285 print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
287 print "/* Save selected option variables into a structure. */"
288 print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
290 print "/* Restore selected option variables from a structure. */"
291 print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
293 print "/* Print target option variables from a structure. */";
294 print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
296 print "/* Compare two target option variables from a structure. */";
297 print "extern bool cl_target_option_eq (const struct cl_target_option *, const struct cl_target_option *);";
299 print "/* Hash option variables from a structure. */";
300 print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
302 print "/* Hash optimization from a structure. */";
303 print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
305 print "/* Anything that includes tm.h, does not necessarily need this. */"
306 print "#if !defined(GCC_TM_H)"
307 print "#include \"input.h\" /* for location_t */"
309 print "common_handle_option_auto (struct gcc_options *opts, "
310 print " struct gcc_options *opts_set, "
311 print " const struct cl_decoded_option *decoded, "
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); "
316 for (i =
0; i
< n_langs
; i
++) {
317 lang_name = lang_sanitized_name
(langs
[i
]);
319 print lang_name
"_handle_option_auto (struct gcc_options *opts, "
320 print " struct gcc_options *opts_set, "
321 print " size_t scode, const char *arg, int value, "
322 print " unsigned int lang_mask, int kind, "
323 print " location_t loc, "
324 print " const struct cl_option_handlers *handlers, "
325 print " diagnostic_context *dc); "
327 print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
328 print " struct cpp_options * cpp_opts);"
329 print "void init_global_opts_from_cpp(struct gcc_options * opts, "
330 print " const struct cpp_options * cpp_opts);"
335 for (i =
0; i
< n_opts
; i
++) {
336 name = opt_args
("Mask", flags
[i
])
338 opt = opt_args
("InverseMask", flags
[i
])
340 name = nth_arg
(0, opt
)
344 if (name
!= "" && mask_bits
[name
] ==
0) {
346 vname = var_name
(flags
[i
])
350 mask =
"OPTION_MASK_"
351 if (host_wide_int
[vname
] ==
"yes")
352 mask_1 =
"HOST_WIDE_INT_1"
354 extra_mask_bits
[name
] =
1
355 print "#define " mask name
" (" mask_1
" << " masknum
[vname
]++ ")"
358 for (i =
0; i
< n_extra_masks
; i
++) {
359 if (extra_mask_bits
[extra_masks
[i
]] ==
0)
360 print "#define MASK_" extra_masks
[i
] " (1 << " masknum
[""]++ ")"
363 for (var in masknum
) {
364 if (var
!= "" && host_wide_int
[var
] ==
"yes") {
365 print" #if defined(HOST_BITS_PER_WIDE_INT) && " masknum
[var
] " >= HOST_BITS_PER_WIDE_INT"
366 print "#error too many masks for " var
369 else if (masknum
[var
] > 31) {
371 print "#error too many target masks"
373 print "#error too many masks for " var
378 for (i =
0; i
< n_opts
; i
++) {
379 name = opt_args
("Mask", flags
[i
])
381 opt = opt_args
("InverseMask", flags
[i
])
383 name = nth_arg
(0, opt
)
387 if (name
!= "" && mask_macros
[name
] ==
0) {
388 mask_macros
[name
] =
1
389 vname = var_name
(flags
[i
])
390 mask =
"OPTION_MASK_"
392 vname =
"target_flags"
394 extra_mask_macros
[name
] =
1
396 print "#define TARGET_" name \
397 " ((" vname
" & " mask name
") != 0)"
398 print "#define TARGET_" name
"_P(" vname
")" \
399 " ((" vname
" & " mask name
") != 0)"
402 for (i =
0; i
< n_extra_masks
; i
++) {
403 if (extra_mask_macros
[extra_masks
[i
]] ==
0)
404 print "#define TARGET_" extra_masks
[i
] \
405 " ((target_flags & MASK_" extra_masks
[i
] ") != 0)"
409 for (i =
0; i
< n_opts
; i
++) {
410 opt = opt_args
("InverseMask", flags
[i
])
412 vname = var_name
(flags
[i
])
413 mask =
"OPTION_MASK_"
415 vname =
"target_flags"
418 print "#define TARGET_" nth_arg
(1, opt
) \
419 " ((" vname
" & " mask nth_arg
(0, opt
) ") == 0)"
424 for (i =
0; i
< n_langs
; i
++) {
425 macros
[i
] =
"CL_" lang_sanitized_name
(langs
[i
])
426 s =
substr(" ", length (macros
[i
]))
427 print "#define " macros
[i
] s
" (1U << " i
")"
429 print "#define CL_LANG_ALL ((1U << " n_langs
") - 1)"
432 print "enum opt_code"
435 for (i =
0; i
< n_opts
; i
++)
436 back_chain
[i
] =
"N_OPTS";
439 for (i =
0; i
< n_opts
; i
++) {
440 # Combine the flags of identical switches. Switches
441 # appear many times if they are handled by many front
443 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
444 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
448 len =
length (opts
[i
]);
449 enum = opt_enum
(opts
[i
])
450 enum_string = enum
" = " enum_value
","
452 # Aliases do not get enumeration names.
453 if ((flag_set_p
("Alias.*", flags
[i
]) \
454 && !flag_set_p
("SeparateAlias", flags
[i
])) \
455 || flag_set_p
("Ignore", flags
[i
])) {
456 enum_string =
"/* " enum_string
" */"
459 # If this switch takes joined arguments, back-chain all
460 # subsequent switches to it for which it is a prefix. If
461 # a later switch S is a longer prefix of a switch T, T
462 # will be back-chained to S in a later iteration of this
463 # for() loop, which is what we want.
464 if (flag_set_p
("Joined.*", flags
[i
])) {
465 for (j = i
+ 1; j
< n_opts
; j
++) {
466 if (substr (opts
[j
], 1, len
) != opts
[i
])
468 back_chain
[j
] = enum
;
473 length (enum_string
))
478 hlp =
"N_(\"" help
[i
] "\")";
480 print " " enum_string s
"/* -" opts
[i
] " */"
485 print " OPT_SPECIAL_unknown,"
486 print " OPT_SPECIAL_ignore,"
487 print " OPT_SPECIAL_program_name,"
488 print " OPT_SPECIAL_input_file"
491 print "#ifdef GCC_C_COMMON_C"
492 print "/* Mapping from cpp message reasons to the options that enable them. */"
493 print "#include <cpplib.h>"
494 print "struct cpp_reason_option_codes_t"
496 print " const int reason; /* cpplib message reason. */"
497 print " const int option_code; /* gcc option that controls this message. */"
500 print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
501 for (i =
0; i
< n_opts
; i
++) {
502 # With identical flags, pick only the last one. The
503 # earlier loop ensured that it has all flags merged,
504 # and a nonempty help text if one of the texts was nonempty.
505 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
508 cpp_reason = nth_arg
(0, opt_args
("CppReason", flags
[i
]));
509 if (cpp_reason
!= "") {
510 cpp_reason = cpp_reason
",";
511 printf(" {%-40s %s},\n", cpp_reason
, opt_enum
(opts
[i
]))
514 printf(" {%-40s 0},\n", "CPP_W_NONE,")
518 print "#endif /* OPTIONS_H */"