]> git.ipfire.org Git - thirdparty/gcc.git/blame - gcc/opth-gen.awk
gfortran.h (gfc_symbol): Add pointer to next derived type.
[thirdparty/gcc.git] / gcc / opth-gen.awk
CommitLineData
85ec4feb 1# Copyright (C) 2003-2018 Free Software Foundation, Inc.
776dc15d
KC
2# Contributed by Kelley Cook, June 2004.
3# Original code from Neil Booth, May 2003.
4#
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
9dcd6f09 7# Free Software Foundation; either version 3, or (at your option) any
776dc15d
KC
8# later version.
9#
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.
14#
15# You should have received a copy of the GNU General Public License
9dcd6f09
NC
16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
776dc15d
KC
18
19# This Awk script reads in the option records generated from
20# opt-gather.awk, combines the flags of duplicate options and generates a
21# C header file.
22#
86fa5de4
JM
23# This program uses functions from opt-functions.awk and code from
24# opt-read.awk.
25# Usage: awk -f opt-functions.awk -f opt-read.awk -f opth-gen.awk \
26# < inputfile > options.h
776dc15d
KC
27
28# Dump out an enumeration into a .h file.
29# Combine the flags of duplicate options.
30END {
14078ff6 31print "/* This file is auto-generated by opth-gen.awk. */"
776dc15d
KC
32print ""
33print "#ifndef OPTIONS_H"
34print "#define OPTIONS_H"
35print ""
f938f60c
JM
36print "#include \"flag-types.h\""
37print ""
776dc15d 38
fd438373
MM
39if (n_extra_h_includes > 0) {
40 for (i = 0; i < n_extra_h_includes; i++) {
41 print "#include " quote extra_h_includes[i] quote
42 }
43 print ""
44}
ab442df7 45
a75bfaa6 46print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
e3339d0f 47print "#ifndef GENERATOR_FILE"
57dfdff0 48print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS)"
fd438373
MM
49print "struct GTY(()) gcc_options"
50print "#else"
51print "struct gcc_options"
52print "#endif"
53print "{"
e3339d0f
JM
54print "#endif"
55
e90afde6
JM
56for (i = 0; i < n_extra_vars; i++) {
57 var = extra_vars[i]
58 sub(" *=.*", "", var)
e3339d0f
JM
59 orig_var = var
60 name = var
61 type = var
69ccdddb 62 type_after = var
e3339d0f 63 sub("^.*[ *]", "", name)
69ccdddb
JM
64 sub("\\[.*\\]$", "", name)
65 sub("\\[.*\\]$", "", type)
e3339d0f 66 sub(" *" name "$", "", type)
69ccdddb 67 sub("^.*" name, "", type_after)
e3339d0f
JM
68 var_seen[name] = 1
69 print "#ifdef GENERATOR_FILE"
70 print "extern " orig_var ";"
71 print "#else"
69ccdddb 72 print " " type " x_" name type_after ";"
e3339d0f
JM
73 print "#define " name " global_options.x_" name
74 print "#endif"
e90afde6
JM
75}
76
776dc15d 77for (i = 0; i < n_opts; i++) {
ab442df7
MM
78 if (flag_set_p("Save", flags[i]))
79 have_save = 1;
80
776dc15d
KC
81 name = var_name(flags[i]);
82 if (name == "")
83 continue;
84
ab442df7
MM
85 if (name in var_seen)
86 continue;
87
88 var_seen[name] = 1;
e3339d0f 89 print "#ifdef GENERATOR_FILE"
55bea00a 90 print "extern " var_type(flags[i]) name ";"
e3339d0f
JM
91 print "#else"
92 print " " var_type(flags[i]) "x_" name ";"
93 print "#define " name " global_options.x_" name
94 print "#endif"
55bea00a 95}
46625112
JM
96for (i = 0; i < n_opts; i++) {
97 name = static_var(opts[i], flags[i]);
98 if (name != "") {
99 print "#ifndef GENERATOR_FILE"
100 print " " var_type(flags[i]) "x_" name ";"
101 print "#define x_" name " do_not_use"
102 print "#endif"
103 }
104}
5e46b0c6
ILT
105for (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]) ";"
109 print "#endif"
110 }
111}
e3339d0f
JM
112print "#ifndef GENERATOR_FILE"
113print "};"
114print "extern struct gcc_options global_options;"
a75bfaa6 115print "extern const struct gcc_options global_options_init;"
d4d24ba4 116print "extern struct gcc_options global_options_set;"
70e8b89b 117print "#define target_flags_explicit global_options_set.x_target_flags"
e3339d0f 118print "#endif"
a75bfaa6 119print "#endif"
55bea00a 120print ""
776dc15d 121
ab442df7
MM
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.
124
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.
128
f6d08ab2 129print "#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)"
ab442df7
MM
130print ""
131print "/* Structure to save/restore optimization and target specific options. */";
d1b38208 132print "struct GTY(()) cl_optimization";
ab442df7
MM
133print "{";
134
b16650ac 135n_opt_char = 3;
ab442df7
MM
136n_opt_short = 0;
137n_opt_int = 0;
bea30e0d 138n_opt_enum = 0;
ab442df7 139n_opt_other = 0;
e3339d0f
JM
140var_opt_char[0] = "unsigned char x_optimize";
141var_opt_char[1] = "unsigned char x_optimize_size";
b16650ac 142var_opt_char[2] = "unsigned char x_optimize_debug";
ab442df7
MM
143
144for (i = 0; i < n_opts; i++) {
ff98fa95 145 if (flag_set_p("(Optimization|PerFunction)", flags[i])) {
ab442df7
MM
146 name = var_name(flags[i])
147 if(name == "")
148 continue;
149
150 if(name in var_opt_seen)
151 continue;
152
153 var_opt_seen[name]++;
154 otype = var_type_struct(flags[i]);
155 if (otype ~ "^((un)?signed +)?int *$")
e3339d0f 156 var_opt_int[n_opt_int++] = otype "x_" name;
ab442df7
MM
157
158 else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f 159 var_opt_short[n_opt_short++] = otype "x_" name;
ab442df7
MM
160
161 else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f 162 var_opt_char[n_opt_char++] = otype "x_" name;
ab442df7 163
fd438373
MM
164 else if (otype ~ ("^enum +[_" alnum "]+ *$"))
165 var_opt_enum[n_opt_enum++] = otype "x_" name;
166
ab442df7 167 else
e3339d0f 168 var_opt_other[n_opt_other++] = otype "x_" name;
ab442df7
MM
169 }
170}
171
172for (i = 0; i < n_opt_other; i++) {
173 print " " var_opt_other[i] ";";
174}
175
176for (i = 0; i < n_opt_int; i++) {
177 print " " var_opt_int[i] ";";
178}
179
fd438373
MM
180for (i = 0; i < n_opt_enum; i++) {
181 print " " var_opt_enum[i] ";";
182}
183
ab442df7
MM
184for (i = 0; i < n_opt_short; i++) {
185 print " " var_opt_short[i] ";";
186}
187
188for (i = 0; i < n_opt_char; i++) {
189 print " " var_opt_char[i] ";";
190}
191
192print "};";
193print "";
194
195# Target and optimization save/restore/print functions.
196print "/* Structure to save/restore selected target specific options. */";
d1b38208 197print "struct GTY(()) cl_target_option";
ab442df7
MM
198print "{";
199
200n_target_char = 0;
201n_target_short = 0;
202n_target_int = 0;
fd438373 203n_target_enum = 0;
ab442df7
MM
204n_target_other = 0;
205
206for (i = 0; i < n_target_save; i++) {
e4590d63 207 if (target_save_decl[i] ~ "^((un)?signed +)?int +[_" alnum "]+$")
ab442df7
MM
208 var_target_int[n_target_int++] = target_save_decl[i];
209
e4590d63 210 else if (target_save_decl[i] ~ "^((un)?signed +)?short +[_" alnum "]+$")
ab442df7
MM
211 var_target_short[n_target_short++] = target_save_decl[i];
212
e4590d63 213 else if (target_save_decl[i] ~ "^((un)?signed +)?char +[_ " alnum "]+$")
ab442df7
MM
214 var_target_char[n_target_char++] = target_save_decl[i];
215
fd438373
MM
216 else if (target_save_decl[i] ~ ("^enum +[_" alnum "]+ +[_" alnum "]+$")) {
217 var_target_enum[n_target_enum++] = target_save_decl[i];
218 }
ab442df7
MM
219 else
220 var_target_other[n_target_other++] = target_save_decl[i];
221}
222
223if (have_save) {
224 for (i = 0; i < n_opts; i++) {
225 if (flag_set_p("Save", flags[i])) {
226 name = var_name(flags[i])
227 if(name == "")
228 name = "target_flags";
229
230 if(name in var_save_seen)
231 continue;
232
233 var_save_seen[name]++;
234 otype = var_type_struct(flags[i])
235 if (otype ~ "^((un)?signed +)?int *$")
e3339d0f 236 var_target_int[n_target_int++] = otype "x_" name;
ab442df7
MM
237
238 else if (otype ~ "^((un)?signed +)?short *$")
e3339d0f 239 var_target_short[n_target_short++] = otype "x_" name;
ab442df7
MM
240
241 else if (otype ~ "^((un)?signed +)?char *$")
e3339d0f 242 var_target_char[n_target_char++] = otype "x_" name;
ab442df7 243
fd438373
MM
244 else if (otype ~ ("^enum +[_" alnum "]+ +[_" alnum "]+"))
245 var_target_enum[n_target_enum++] = otype "x_" name;
246
ab442df7 247 else
e3339d0f 248 var_target_other[n_target_other++] = otype "x_" name;
ab442df7
MM
249 }
250 }
251} else {
e3339d0f 252 var_target_int[n_target_int++] = "int x_target_flags";
ab442df7
MM
253}
254
255for (i = 0; i < n_target_other; i++) {
256 print " " var_target_other[i] ";";
257}
258
fd438373
MM
259for (i = 0; i < n_target_enum; i++) {
260 print " " var_target_enum[i] ";";
261}
262
ab442df7
MM
263for (i = 0; i < n_target_int; i++) {
264 print " " var_target_int[i] ";";
265}
266
267for (i = 0; i < n_target_short; i++) {
268 print " " var_target_short[i] ";";
269}
270
271for (i = 0; i < n_target_char; i++) {
272 print " " var_target_char[i] ";";
273}
274
275print "};";
276print "";
277print "";
278print "/* Save optimization variables into a structure. */"
46625112 279print "extern void cl_optimization_save (struct cl_optimization *, struct gcc_options *);";
ab442df7
MM
280print "";
281print "/* Restore optimization variables from a structure. */";
46625112 282print "extern void cl_optimization_restore (struct gcc_options *, struct cl_optimization *);";
ab442df7
MM
283print "";
284print "/* Print optimization variables from a structure. */";
285print "extern void cl_optimization_print (FILE *, int, struct cl_optimization *);";
286print "";
eaabbb00
ML
287print "/* Print different optimization variables from structures provided as arguments. */";
288print "extern void cl_optimization_print_diff (FILE *, int, cl_optimization *ptr1, cl_optimization *ptr2);";
289print "";
ab442df7 290print "/* Save selected option variables into a structure. */"
46625112 291print "extern void cl_target_option_save (struct cl_target_option *, struct gcc_options *);";
ab442df7
MM
292print "";
293print "/* Restore selected option variables from a structure. */"
46625112 294print "extern void cl_target_option_restore (struct gcc_options *, struct cl_target_option *);";
ab442df7
MM
295print "";
296print "/* Print target option variables from a structure. */";
297print "extern void cl_target_option_print (FILE *, int, struct cl_target_option *);";
7d5a5747 298print "";
eaabbb00
ML
299print "/* Print different target option variables from structures provided as arguments. */";
300print "extern void cl_target_option_print_diff (FILE *, int, cl_target_option *ptr1, cl_target_option *ptr2);";
301print "";
54e774c0
JH
302print "/* Compare two target option variables from a structure. */";
303print "extern bool cl_target_option_eq (const struct cl_target_option *, const struct cl_target_option *);";
304print "";
305print "/* Hash option variables from a structure. */";
306print "extern hashval_t cl_target_option_hash (const struct cl_target_option *);";
307print "";
ca9a04da
JH
308print "/* Hash optimization from a structure. */";
309print "extern hashval_t cl_optimization_hash (const struct cl_optimization *);";
310print "";
c518c102
ML
311print "/* Compare two optimization options. */";
312print "extern bool cl_optimization_option_eq (cl_optimization const *ptr1, cl_optimization const *ptr2);"
313print "";
903f5c23
AM
314print "/* Generator files may not have access to location_t, and don't need these. */"
315print "#if defined(UNKNOWN_LOCATION)"
7d5a5747
MLI
316print "bool "
317print "common_handle_option_auto (struct gcc_options *opts, "
318print " struct gcc_options *opts_set, "
319print " const struct cl_decoded_option *decoded, "
320print " unsigned int lang_mask, int kind, "
321print " location_t loc, "
322print " const struct cl_option_handlers *handlers, "
323print " diagnostic_context *dc); "
f2bc201f
MLI
324for (i = 0; i < n_langs; i++) {
325 lang_name = lang_sanitized_name(langs[i]);
326 print "bool "
327 print lang_name "_handle_option_auto (struct gcc_options *opts, "
328 print " struct gcc_options *opts_set, "
329 print " size_t scode, const char *arg, int value, "
330 print " unsigned int lang_mask, int kind, "
331 print " location_t loc, "
332 print " const struct cl_option_handlers *handlers, "
333 print " diagnostic_context *dc); "
334}
43f9a13c
MLI
335print "void cpp_handle_option_auto (const struct gcc_options * opts, size_t scode,"
336print " struct cpp_options * cpp_opts);"
337print "void init_global_opts_from_cpp(struct gcc_options * opts, "
338print " const struct cpp_options * cpp_opts);"
7d5a5747 339print "#endif";
ab442df7
MM
340print "#endif";
341print "";
342
75685792
RS
343for (i = 0; i < n_opts; i++) {
344 name = opt_args("Mask", flags[i])
1ad36b7e
L
345 if (name == "") {
346 opt = opt_args("InverseMask", flags[i])
347 if (opt ~ ",")
348 name = nth_arg(0, opt)
349 else
350 name = opt
f7f655c7 351 }
1ad36b7e
L
352 if (name != "" && mask_bits[name] == 0) {
353 mask_bits[name] = 1
354 vname = var_name(flags[i])
355 mask = "MASK_"
d5c45ad7 356 mask_1 = "1U"
1ad36b7e
L
357 if (vname != "") {
358 mask = "OPTION_MASK_"
359 if (host_wide_int[vname] == "yes")
d5c45ad7 360 mask_1 = "HOST_WIDE_INT_1U"
eefdb8e6
L
361 } else
362 extra_mask_bits[name] = 1
99114bbf 363 print "#define " mask name " (" mask_1 " << " masknum[vname]++ ")"
1ad36b7e 364 }
75685792 365}
fe609b0f 366for (i = 0; i < n_extra_masks; i++) {
eefdb8e6 367 if (extra_mask_bits[extra_masks[i]] == 0)
d5c45ad7 368 print "#define MASK_" extra_masks[i] " (1U << " masknum[""]++ ")"
f7f655c7
DD
369}
370
371for (var in masknum) {
99114bbf 372 if (var != "" && host_wide_int[var] == "yes") {
d5c45ad7 373 print "#if defined(HOST_BITS_PER_WIDE_INT) && " masknum[var] " > HOST_BITS_PER_WIDE_INT"
99114bbf
L
374 print "#error too many masks for " var
375 print "#endif"
376 }
d5c45ad7 377 else if (masknum[var] > 32) {
f7f655c7
DD
378 if (var == "")
379 print "#error too many target masks"
380 else
381 print "#error too many masks for " var
382 }
fe609b0f 383}
75685792
RS
384print ""
385
386for (i = 0; i < n_opts; i++) {
387 name = opt_args("Mask", flags[i])
1ad36b7e
L
388 if (name == "") {
389 opt = opt_args("InverseMask", flags[i])
390 if (opt ~ ",")
391 name = nth_arg(0, opt)
392 else
393 name = opt
f7f655c7 394 }
1ad36b7e
L
395 if (name != "" && mask_macros[name] == 0) {
396 mask_macros[name] = 1
397 vname = var_name(flags[i])
1ad36b7e
L
398 mask = "OPTION_MASK_"
399 if (vname == "") {
400 vname = "target_flags"
1ad36b7e 401 mask = "MASK_"
eefdb8e6 402 extra_mask_macros[name] = 1
1ad36b7e 403 }
90922d36 404 print "#define TARGET_" name \
f7f655c7 405 " ((" vname " & " mask name ") != 0)"
bf7b5747 406 print "#define TARGET_" name "_P(" vname ")" \
d5c45ad7 407 " (((" vname ") & " mask name ") != 0)"
1ad36b7e 408 }
75685792 409}
fe609b0f 410for (i = 0; i < n_extra_masks; i++) {
eefdb8e6
L
411 if (extra_mask_macros[extra_masks[i]] == 0)
412 print "#define TARGET_" extra_masks[i] \
413 " ((target_flags & MASK_" extra_masks[i] ") != 0)"
fe609b0f 414}
75685792
RS
415print ""
416
417for (i = 0; i < n_opts; i++) {
418 opt = opt_args("InverseMask", flags[i])
7bd85ce0
JM
419 if (opt ~ ",") {
420 vname = var_name(flags[i])
7bd85ce0
JM
421 mask = "OPTION_MASK_"
422 if (vname == "") {
423 vname = "target_flags"
7bd85ce0
JM
424 mask = "MASK_"
425 }
90922d36 426 print "#define TARGET_" nth_arg(1, opt) \
7bd85ce0
JM
427 " ((" vname " & " mask nth_arg(0, opt) ") == 0)"
428 }
75685792
RS
429}
430print ""
776dc15d
KC
431
432for (i = 0; i < n_langs; i++) {
f2bc201f 433 macros[i] = "CL_" lang_sanitized_name(langs[i])
776dc15d 434 s = substr(" ", length (macros[i]))
eb50f63a 435 print "#define " macros[i] s " (1U << " i ")"
776dc15d 436 }
eb50f63a 437print "#define CL_LANG_ALL ((1U << " n_langs ") - 1)"
776dc15d
KC
438
439print ""
440print "enum opt_code"
441print "{"
442
443for (i = 0; i < n_opts; i++)
444 back_chain[i] = "N_OPTS";
445
5de8299c 446enum_value = 0
64fbae21
RS
447for (i = 0; i < n_opts; i++) {
448 # Combine the flags of identical switches. Switches
449 # appear many times if they are handled by many front
450 # ends, for example.
451 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
452 flags[i + 1] = flags[i] " " flags[i + 1];
453 i++;
454 }
776dc15d
KC
455
456 len = length (opts[i]);
9db94baa 457 enum = opt_enum(opts[i])
5de8299c
JM
458 enum_string = enum " = " enum_value ","
459
460 # Aliases do not get enumeration names.
d1583032
JM
461 if ((flag_set_p("Alias.*", flags[i]) \
462 && !flag_set_p("SeparateAlias", flags[i])) \
463 || flag_set_p("Ignore", flags[i])) {
5de8299c
JM
464 enum_string = "/* " enum_string " */"
465 }
776dc15d
KC
466
467 # If this switch takes joined arguments, back-chain all
468 # subsequent switches to it for which it is a prefix. If
469 # a later switch S is a longer prefix of a switch T, T
470 # will be back-chained to S in a later iteration of this
471 # for() loop, which is what we want.
a56a0779 472 if (flag_set_p("Joined.*", flags[i])) {
776dc15d
KC
473 for (j = i + 1; j < n_opts; j++) {
474 if (substr (opts[j], 1, len) != opts[i])
475 break;
476 back_chain[j] = enum;
477 }
478 }
479
5de8299c
JM
480 s = substr(" ",
481 length (enum_string))
776dc15d
KC
482
483 if (help[i] == "")
484 hlp = "0"
485 else
486 hlp = "N_(\"" help[i] "\")";
487
5de8299c
JM
488 print " " enum_string s "/* -" opts[i] " */"
489 enum_value++
776dc15d
KC
490}
491
6e2f1956
JM
492print " N_OPTS,"
493print " OPT_SPECIAL_unknown,"
2d2bd949 494print " OPT_SPECIAL_ignore,"
6e2f1956
JM
495print " OPT_SPECIAL_program_name,"
496print " OPT_SPECIAL_input_file"
776dc15d
KC
497print "};"
498print ""
40e23961 499print "#ifdef GCC_C_COMMON_C"
b559c810
MLI
500print "/* Mapping from cpp message reasons to the options that enable them. */"
501print "#include <cpplib.h>"
502print "struct cpp_reason_option_codes_t"
503print "{"
504print " const int reason; /* cpplib message reason. */"
505print " const int option_code; /* gcc option that controls this message. */"
506print "};"
507print ""
508print "static const struct cpp_reason_option_codes_t cpp_reason_option_codes[] = {"
509for (i = 0; i < n_opts; i++) {
510 # With identical flags, pick only the last one. The
511 # earlier loop ensured that it has all flags merged,
512 # and a nonempty help text if one of the texts was nonempty.
513 while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
514 i++;
515 }
516 cpp_reason = nth_arg(0, opt_args("CppReason", flags[i]));
517 if (cpp_reason != "") {
518 cpp_reason = cpp_reason ",";
519 printf(" {%-40s %s},\n", cpp_reason, opt_enum(opts[i]))
520 }
521}
522printf(" {%-40s 0},\n", "CPP_W_NONE,")
523print "};"
524print "#endif"
525print ""
776dc15d
KC
526print "#endif /* OPTIONS_H */"
527}