1 # Copyright (C) 2003,2004,2005,2006,2007,2008, 2010, 2011
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 and code from
26 # Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
27 # < inputfile > options.h
29 # Dump out an enumeration into a .h file.
30 # Combine the flags of duplicate options.
32 print "/* This file is auto-generated by opth-gen.awk. */"
34 print "#ifndef OPTIONS_H"
35 print "#define OPTIONS_H"
37 print "#include \"flag-types.h\""
40 if (n_extra_h_includes
> 0) {
41 for (i =
0; i
< n_extra_h_includes
; i
++) {
42 print "#include " quote extra_h_includes
[i
] quote
47 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
48 print "#ifndef GENERATOR_FILE"
49 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
50 print "struct GTY(()) gcc_options"
52 print "struct gcc_options"
57 for (i =
0; i
< n_extra_vars
; i
++) {
64 sub("^.*[ *]", "", name
)
65 sub("\\[.*\\]$", "", name
)
66 sub("\\[.*\\]$", "", type
)
67 sub(" *" name
"$", "", type
)
68 sub("^.*" name
, "", type_after
)
70 print "#ifdef GENERATOR_FILE"
71 print "extern " orig_var
";"
73 print " " type
" x_" name type_after
";"
74 print "#define " name
" global_options.x_" name
78 for (i =
0; i
< n_opts
; i
++) {
79 if (flag_set_p
("Save", flags
[i
]))
82 name = var_name
(flags
[i
]);
90 print "#ifdef GENERATOR_FILE"
91 print "extern " var_type
(flags
[i
]) name
";"
93 print " " var_type
(flags
[i
]) "x_" name
";"
94 print "#define " name
" global_options.x_" name
97 for (i =
0; i
< n_opts
; i
++) {
98 name = static_var
(opts
[i
], flags
[i
]);
100 print "#ifndef GENERATOR_FILE"
101 print " " var_type
(flags
[i
]) "x_" name
";"
102 print "#define x_" name
" do_not_use"
106 for (i =
0; i
< n_opts
; i
++) {
107 if (flag_set_p
("SetByCombined", flags
[i
])) {
108 print "#ifndef GENERATOR_FILE"
109 print " bool frontend_set_" var_name
(flags
[i
]) ";"
113 print "#ifndef GENERATOR_FILE"
115 print "extern struct gcc_options global_options;"
116 print "extern const struct gcc_options global_options_init;"
117 print "extern struct gcc_options global_options_set;"
118 print "#define target_flags_explicit global_options_set.x_target_flags"
123 # All of the optimization switches gathered together so they can be saved and restored.
124 # This will allow attribute((cold)) to turn on space optimization.
126 # Change the type of normal switches from int to unsigned char to save space.
127 # Also, order the structure so that pointer fields occur first, then int
128 # fields, and then char fields to provide the best packing.
130 print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
132 print "/* Structure to save/restore optimization and target specific options. */";
133 print "struct GTY(()) cl_optimization";
141 var_opt_char
[0] =
"unsigned char x_optimize";
142 var_opt_char
[1] =
"unsigned char x_optimize_size";
143 var_opt_enum
[0] =
"enum fp_contract_mode x_flag_fp_contract_mode";
145 for (i =
0; i
< n_opts
; i
++) {
146 if (flag_set_p
("Optimization", flags
[i
])) {
147 name = var_name
(flags
[i
])
151 if(name in var_opt_seen
)
154 var_opt_seen
[name
]++;
155 otype = var_type_struct
(flags
[i
]);
156 if (otype ~
"^((un)?signed +)?int *$")
157 var_opt_int
[n_opt_int
++] = otype
"x_" name
;
159 else if (otype ~
"^((un)?signed +)?short *$")
160 var_opt_short
[n_opt_short
++] = otype
"x_" name
;
162 else if (otype ~
"^((un)?signed +)?char *$")
163 var_opt_char
[n_opt_char
++] = otype
"x_" name
;
165 else if (otype ~
("^enum +[_" alnum
"]+ *$"))
166 var_opt_enum
[n_opt_enum
++] = otype
"x_" name
;
169 var_opt_other
[n_opt_other
++] = otype
"x_" name
;
173 for (i =
0; i
< n_opt_other
; i
++) {
174 print " " var_opt_other
[i
] ";";
177 for (i =
0; i
< n_opt_int
; i
++) {
178 print " " var_opt_int
[i
] ";";
181 for (i =
0; i
< n_opt_enum
; i
++) {
182 print " " var_opt_enum
[i
] ";";
185 for (i =
0; i
< n_opt_short
; i
++) {
186 print " " var_opt_short
[i
] ";";
189 for (i =
0; i
< n_opt_char
; i
++) {
190 print " " var_opt_char
[i
] ";";
196 # Target and optimization save/restore/print functions.
197 print "/* Structure to save/restore selected target specific options. */";
198 print "struct GTY(()) cl_target_option";
207 for (i =
0; i
< n_target_save
; i
++) {
208 if (target_save_decl
[i
] ~
"^((un)?signed +)?int +[_" alnum
"]+$")
209 var_target_int
[n_target_int
++] = target_save_decl
[i
];
211 else if (target_save_decl
[i
] ~
"^((un)?signed +)?short +[_" alnum
"]+$")
212 var_target_short
[n_target_short
++] = target_save_decl
[i
];
214 else if (target_save_decl
[i
] ~
"^((un)?signed +)?char +[_ " alnum
"]+$")
215 var_target_char
[n_target_char
++] = target_save_decl
[i
];
217 else if (target_save_decl
[i
] ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+$")) {
218 var_target_enum
[n_target_enum
++] = target_save_decl
[i
];
221 var_target_other
[n_target_other
++] = target_save_decl
[i
];
225 for (i =
0; i
< n_opts
; i
++) {
226 if (flag_set_p
("Save", flags
[i
])) {
227 name = var_name
(flags
[i
])
229 name =
"target_flags";
231 if(name in var_save_seen
)
234 var_save_seen
[name
]++;
235 otype = var_type_struct
(flags
[i
])
236 if (otype ~
"^((un)?signed +)?int *$")
237 var_target_int
[n_target_int
++] = otype
"x_" name
;
239 else if (otype ~
"^((un)?signed +)?short *$")
240 var_target_short
[n_target_short
++] = otype
"x_" name
;
242 else if (otype ~
"^((un)?signed +)?char *$")
243 var_target_char
[n_target_char
++] = otype
"x_" name
;
245 else if (otype ~
("^enum +[_" alnum
"]+ +[_" alnum
"]+"))
246 var_target_enum
[n_target_enum
++] = otype
"x_" name
;
249 var_target_other
[n_target_other
++] = otype
"x_" name
;
253 var_target_int
[n_target_int
++] =
"int x_target_flags";
256 for (i =
0; i
< n_target_other
; i
++) {
257 print " " var_target_other
[i
] ";";
260 for (i =
0; i
< n_target_enum
; i
++) {
261 print " " var_target_enum
[i
] ";";
264 for (i =
0; i
< n_target_int
; i
++) {
265 print " " var_target_int
[i
] ";";
268 for (i =
0; i
< n_target_short
; i
++) {
269 print " " var_target_short
[i
] ";";
272 for (i =
0; i
< n_target_char
; i
++) {
273 print " " var_target_char
[i
] ";";
279 print "/* Save optimization variables into a structure. */"
280 print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
282 print "/* Restore optimization variables from a structure. */";
283 print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
285 print "/* Print optimization variables from a structure. */";
286 print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
288 print "/* Save selected option variables into a structure. */"
289 print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
291 print "/* Restore selected option variables from a structure. */"
292 print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
294 print "/* Print target option variables from a structure. */";
295 print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
299 for (i =
0; i
< n_opts
; i
++) {
300 name = opt_args
("Mask", flags
[i
])
301 vname = var_name
(flags
[i
])
304 mask =
"OPTION_MASK_"
306 if (name
!= "" && !flag_set_p
("MaskExists", flags
[i
]))
307 print "#define " mask name
" (1 << " masknum
[vname
]++ ")"
309 for (i =
0; i
< n_extra_masks
; i
++) {
310 print "#define MASK_" extra_masks
[i
] " (1 << " masknum
[""]++ ")"
313 for (var in masknum
) {
314 if (masknum
[var
] > 31) {
316 print "#error too many target masks"
318 print "#error too many masks for " var
323 for (i =
0; i
< n_opts
; i
++) {
324 name = opt_args
("Mask", flags
[i
])
325 vname = var_name
(flags
[i
])
327 mask =
"OPTION_MASK_"
329 vname =
"target_flags"
333 if (name
!= "" && !flag_set_p
("MaskExists", flags
[i
]))
334 print "#define " macro name \
335 " ((" vname
" & " mask name
") != 0)"
337 for (i =
0; i
< n_extra_masks
; i
++) {
338 print "#define TARGET_" extra_masks
[i
] \
339 " ((target_flags & MASK_" extra_masks
[i
] ") != 0)"
343 for (i =
0; i
< n_opts
; i
++) {
344 opt = opt_args
("InverseMask", flags
[i
])
346 vname = var_name
(flags
[i
])
348 mask =
"OPTION_MASK_"
350 vname =
"target_flags"
354 print "#define " macro nth_arg
(1, opt
) \
355 " ((" vname
" & " mask nth_arg
(0, opt
) ") == 0)"
360 for (i =
0; i
< n_langs
; i
++) {
361 macros
[i
] =
"CL_" langs
[i
]
362 gsub( "[^" alnum
"_]", "X", macros
[i
] )
363 s =
substr(" ", length (macros
[i
]))
364 print "#define " macros
[i
] s
" (1U << " i
")"
366 print "#define CL_LANG_ALL ((1U << " n_langs
") - 1)"
369 print "enum opt_code"
372 for (i =
0; i
< n_opts
; i
++)
373 back_chain
[i
] =
"N_OPTS";
376 for (i =
0; i
< n_opts
; i
++) {
377 # Combine the flags of identical switches. Switches
378 # appear many times if they are handled by many front
380 while( i
+ 1 != n_opts
&& opts
[i
] == opts
[i
+ 1] ) {
381 flags
[i
+ 1] = flags
[i
] " " flags
[i
+ 1];
385 len =
length (opts
[i
]);
386 enum = opt_enum
(opts
[i
])
387 enum_string = enum
" = " enum_value
","
389 # Aliases do not get enumeration names.
390 if ((flag_set_p
("Alias.*", flags
[i
]) \
391 && !flag_set_p
("SeparateAlias", flags
[i
])) \
392 || flag_set_p
("Ignore", flags
[i
])) {
393 enum_string =
"/* " enum_string
" */"
396 # If this switch takes joined arguments, back-chain all
397 # subsequent switches to it for which it is a prefix. If
398 # a later switch S is a longer prefix of a switch T, T
399 # will be back-chained to S in a later iteration of this
400 # for() loop, which is what we want.
401 if (flag_set_p
("Joined.*", flags
[i
])) {
402 for (j = i
+ 1; j
< n_opts
; j
++) {
403 if (substr (opts
[j
], 1, len
) != opts
[i
])
405 back_chain
[j
] = enum
;
410 length (enum_string
))
415 hlp =
"N_(\"" help
[i
] "\")";
417 print " " enum_string s
"/* -" opts
[i
] " */"
422 print " OPT_SPECIAL_unknown,"
423 print " OPT_SPECIAL_ignore,"
424 print " OPT_SPECIAL_program_name,"
425 print " OPT_SPECIAL_input_file"
428 print "#endif /* OPTIONS_H */"