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b4c522fa | 1 | /* d-builtins.cc -- GCC builtins support for D. |
a5544970 | 2 | Copyright (C) 2006-2019 Free Software Foundation, Inc. |
b4c522fa IB |
3 | |
4 | GCC is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 3, or (at your option) | |
7 | any later version. | |
8 | ||
9 | GCC is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with GCC; see the file COPYING3. If not see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "config.h" | |
19 | #include "system.h" | |
20 | #include "coretypes.h" | |
21 | ||
22 | #include "dmd/attrib.h" | |
23 | #include "dmd/aggregate.h" | |
24 | #include "dmd/cond.h" | |
25 | #include "dmd/declaration.h" | |
26 | #include "dmd/expression.h" | |
27 | #include "dmd/identifier.h" | |
28 | #include "dmd/module.h" | |
29 | #include "dmd/mtype.h" | |
30 | ||
31 | #include "tree.h" | |
32 | #include "fold-const.h" | |
33 | #include "diagnostic.h" | |
34 | #include "langhooks.h" | |
35 | #include "target.h" | |
36 | #include "common/common-target.h" | |
37 | #include "stringpool.h" | |
38 | #include "stor-layout.h" | |
39 | ||
40 | #include "d-tree.h" | |
41 | #include "d-target.h" | |
42 | ||
43 | ||
44 | static GTY(()) vec<tree, va_gc> *gcc_builtins_functions = NULL; | |
45 | static GTY(()) vec<tree, va_gc> *gcc_builtins_libfuncs = NULL; | |
46 | static GTY(()) vec<tree, va_gc> *gcc_builtins_types = NULL; | |
47 | ||
48 | /* Record built-in types and their associated decls for re-use when | |
49 | generating the `gcc.builtins' module. */ | |
50 | ||
51 | struct builtin_data | |
52 | { | |
53 | Type *dtype; | |
54 | tree ctype; | |
55 | Dsymbol *dsym; | |
56 | ||
57 | builtin_data (Type *t, tree c, Dsymbol *d = NULL) | |
58 | : dtype(t), ctype(c), dsym(d) | |
59 | { } | |
60 | }; | |
61 | ||
62 | static vec<builtin_data> builtin_converted_decls; | |
63 | ||
64 | /* Build D frontend type from tree TYPE type given. This will set the | |
65 | back-end type symbol directly for complex types to save build_ctype() | |
66 | the work. For other types, it is not useful or will cause errors, such | |
67 | as casting from `C char' to `D char', which also means that `char *` | |
68 | needs to be specially handled. */ | |
69 | ||
70 | static Type * | |
71 | build_frontend_type (tree type) | |
72 | { | |
73 | Type *dtype; | |
74 | MOD mod = 0; | |
75 | ||
76 | if (TYPE_READONLY (type)) | |
77 | mod |= MODconst; | |
78 | if (TYPE_VOLATILE (type)) | |
79 | mod |= MODshared; | |
80 | ||
81 | /* If we've seen the type before, re-use the converted decl. */ | |
82 | for (size_t i = 0; i < builtin_converted_decls.length (); ++i) | |
83 | { | |
84 | tree t = builtin_converted_decls[i].ctype; | |
85 | if (TYPE_MAIN_VARIANT (t) == TYPE_MAIN_VARIANT (type)) | |
86 | return builtin_converted_decls[i].dtype; | |
87 | } | |
88 | ||
89 | switch (TREE_CODE (type)) | |
90 | { | |
91 | case POINTER_TYPE: | |
92 | dtype = build_frontend_type (TREE_TYPE (type)); | |
93 | if (dtype) | |
94 | { | |
95 | /* Check for char * first. Needs to be done for chars/string. */ | |
96 | if (TYPE_MAIN_VARIANT (TREE_TYPE (type)) == char_type_node) | |
97 | return Type::tchar->addMod (dtype->mod)->pointerTo ()->addMod (mod); | |
98 | ||
99 | if (dtype->ty == Tfunction) | |
100 | return (TypePointer::create (dtype))->addMod (mod); | |
101 | ||
102 | return dtype->pointerTo ()->addMod (mod); | |
103 | } | |
104 | break; | |
105 | ||
106 | case REFERENCE_TYPE: | |
107 | dtype = build_frontend_type (TREE_TYPE (type)); | |
108 | if (dtype) | |
109 | { | |
110 | /* Want to assign ctype directly so that the REFERENCE_TYPE code | |
111 | can be turned into as an `inout' argument. Can't use pointerTo(), | |
112 | because the returned Type is shared. */ | |
113 | dtype = (TypePointer::create (dtype))->addMod (mod); | |
114 | dtype->ctype = type; | |
115 | builtin_converted_decls.safe_push (builtin_data (dtype, type)); | |
116 | return dtype; | |
117 | } | |
118 | break; | |
119 | ||
120 | case BOOLEAN_TYPE: | |
121 | /* Should be no need for size checking. */ | |
122 | return Type::tbool->addMod (mod); | |
123 | ||
124 | case INTEGER_TYPE: | |
125 | { | |
126 | unsigned size = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (type)); | |
127 | bool unsignedp = TYPE_UNSIGNED (type); | |
128 | ||
129 | /* For now, skip support for cent/ucent until the frontend | |
130 | has better support for handling it. */ | |
131 | for (size_t i = Tint8; i <= Tuns64; i++) | |
132 | { | |
133 | dtype = Type::basic[i]; | |
134 | ||
135 | /* Search for type matching size and signedness. */ | |
136 | if (unsignedp != dtype->isunsigned () | |
137 | || size != dtype->size ()) | |
138 | continue; | |
139 | ||
140 | return dtype->addMod (mod); | |
141 | } | |
142 | break; | |
143 | } | |
144 | ||
145 | case REAL_TYPE: | |
146 | { | |
147 | unsigned size = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (type)); | |
148 | ||
149 | for (size_t i = Tfloat32; i <= Tfloat80; i++) | |
150 | { | |
151 | dtype = Type::basic[i]; | |
152 | ||
153 | /* Search for type matching size. */ | |
154 | if (dtype->size () != size) | |
155 | continue; | |
156 | ||
157 | return dtype->addMod (mod); | |
158 | } | |
159 | break; | |
160 | } | |
161 | ||
162 | case COMPLEX_TYPE: | |
163 | { | |
164 | unsigned size = TREE_INT_CST_LOW (TYPE_SIZE_UNIT (type)); | |
165 | for (size_t i = Tcomplex32; i <= Tcomplex80; i++) | |
166 | { | |
167 | dtype = Type::basic[i]; | |
168 | ||
169 | /* Search for type matching size. */ | |
170 | if (dtype->size () != size) | |
171 | continue; | |
172 | ||
173 | return dtype->addMod (mod); | |
174 | } | |
175 | break; | |
176 | } | |
177 | ||
178 | case VOID_TYPE: | |
179 | return Type::tvoid->addMod (mod); | |
180 | ||
181 | case ARRAY_TYPE: | |
182 | dtype = build_frontend_type (TREE_TYPE (type)); | |
183 | if (dtype) | |
184 | { | |
185 | tree index = TYPE_DOMAIN (type); | |
186 | tree ub = TYPE_MAX_VALUE (index); | |
187 | tree lb = TYPE_MIN_VALUE (index); | |
188 | ||
189 | tree length = fold_build2 (MINUS_EXPR, TREE_TYPE (lb), ub, lb); | |
190 | length = size_binop (PLUS_EXPR, size_one_node, | |
191 | convert (sizetype, length)); | |
192 | ||
193 | dtype = dtype->sarrayOf (TREE_INT_CST_LOW (length))->addMod (mod); | |
194 | builtin_converted_decls.safe_push (builtin_data (dtype, type)); | |
195 | return dtype; | |
196 | } | |
197 | break; | |
198 | ||
199 | case VECTOR_TYPE: | |
200 | dtype = build_frontend_type (TREE_TYPE (type)); | |
201 | if (dtype) | |
202 | { | |
203 | poly_uint64 nunits = TYPE_VECTOR_SUBPARTS (type); | |
204 | dtype = dtype->sarrayOf (nunits.to_constant ())->addMod (mod); | |
205 | ||
206 | if (dtype->nextOf ()->isTypeBasic () == NULL) | |
207 | break; | |
208 | ||
209 | dtype = (TypeVector::create (Loc (), dtype))->addMod (mod); | |
210 | builtin_converted_decls.safe_push (builtin_data (dtype, type)); | |
211 | return dtype; | |
212 | } | |
213 | break; | |
214 | ||
215 | case RECORD_TYPE: | |
216 | if (TYPE_NAME (type)) | |
217 | { | |
218 | tree structname = DECL_NAME (TYPE_NAME (type)); | |
219 | Identifier *ident | |
220 | = Identifier::idPool (IDENTIFIER_POINTER (structname)); | |
221 | ||
222 | /* Neither the `object' and `gcc.builtins' modules will not exist when | |
223 | this is called. Use a stub 'object' module parent in the meantime. | |
224 | If `gcc.builtins' is later imported, the parent will be overridden | |
225 | with the correct module symbol. */ | |
226 | static Identifier *object = Identifier::idPool ("object"); | |
227 | static Module *stubmod = Module::create ("object.d", object, 0, 0); | |
228 | ||
229 | StructDeclaration *sdecl = StructDeclaration::create (Loc (), ident, | |
230 | false); | |
231 | sdecl->parent = stubmod; | |
232 | sdecl->structsize = int_size_in_bytes (type); | |
233 | sdecl->alignsize = TYPE_ALIGN_UNIT (type); | |
234 | sdecl->alignment = STRUCTALIGN_DEFAULT; | |
235 | sdecl->sizeok = SIZEOKdone; | |
236 | sdecl->type = (TypeStruct::create (sdecl))->addMod (mod); | |
237 | sdecl->type->ctype = type; | |
238 | sdecl->type->merge2 (); | |
239 | ||
240 | /* Does not seem necessary to convert fields, but the members field | |
241 | must be non-null for the above size setting to stick. */ | |
242 | sdecl->members = new Dsymbols; | |
243 | dtype = sdecl->type; | |
244 | builtin_converted_decls.safe_push (builtin_data (dtype, type, sdecl)); | |
245 | return dtype; | |
246 | } | |
247 | break; | |
248 | ||
249 | case FUNCTION_TYPE: | |
250 | dtype = build_frontend_type (TREE_TYPE (type)); | |
251 | if (dtype) | |
252 | { | |
253 | tree parms = TYPE_ARG_TYPES (type); | |
254 | int varargs_p = 1; | |
255 | ||
256 | Parameters *args = new Parameters; | |
257 | args->reserve (list_length (parms)); | |
258 | ||
259 | /* Attempt to convert all parameter types. */ | |
260 | for (tree parm = parms; parm != NULL_TREE; parm = TREE_CHAIN (parm)) | |
261 | { | |
262 | tree argtype = TREE_VALUE (parm); | |
263 | if (argtype == void_type_node) | |
264 | { | |
265 | varargs_p = 0; | |
266 | break; | |
267 | } | |
268 | ||
269 | StorageClass sc = STCundefined; | |
270 | if (TREE_CODE (argtype) == REFERENCE_TYPE) | |
271 | { | |
272 | argtype = TREE_TYPE (argtype); | |
273 | sc |= STCref; | |
274 | } | |
275 | ||
276 | Type *targ = build_frontend_type (argtype); | |
277 | if (!targ) | |
278 | { | |
279 | delete args; | |
280 | return NULL; | |
281 | } | |
282 | ||
283 | args->push (Parameter::create (sc, targ, NULL, NULL)); | |
284 | } | |
285 | ||
286 | /* GCC generic and placeholder built-ins are marked as variadic, yet | |
287 | have no named parameters, and so can't be represented in D. */ | |
288 | if (args->dim != 0 || !varargs_p) | |
289 | { | |
290 | dtype = TypeFunction::create (args, dtype, varargs_p, LINKc); | |
291 | return dtype->addMod (mod); | |
292 | } | |
293 | } | |
294 | break; | |
295 | ||
296 | default: | |
297 | break; | |
298 | } | |
299 | ||
300 | return NULL; | |
301 | } | |
302 | ||
303 | /* Attempt to convert GCC evaluated CST to a D Frontend Expression. | |
304 | This is used for getting the CTFE value out of a const-folded builtin, | |
305 | returns NULL if it cannot convert CST. */ | |
306 | ||
307 | Expression * | |
308 | d_eval_constant_expression (tree cst) | |
309 | { | |
310 | STRIP_TYPE_NOPS (cst); | |
311 | Type *type = build_frontend_type (TREE_TYPE (cst)); | |
312 | ||
313 | if (type) | |
314 | { | |
315 | /* Convert our GCC CST tree into a D Expression. This seems like we are | |
316 | trying too hard, as these will only be converted back to a tree again | |
317 | later in the codegen pass, but satisfies the need to have GCC built-ins | |
318 | CTFE-able in the frontend. */ | |
319 | tree_code code = TREE_CODE (cst); | |
320 | if (code == COMPLEX_CST) | |
321 | { | |
322 | real_value re = TREE_REAL_CST (TREE_REALPART (cst)); | |
323 | real_value im = TREE_REAL_CST (TREE_IMAGPART (cst)); | |
324 | complex_t value = complex_t (ldouble (re), ldouble (im)); | |
325 | return ComplexExp::create (Loc (), value, type); | |
326 | } | |
327 | else if (code == INTEGER_CST) | |
328 | { | |
329 | dinteger_t value = TREE_INT_CST_LOW (cst); | |
330 | return IntegerExp::create (Loc (), value, type); | |
331 | } | |
332 | else if (code == REAL_CST) | |
333 | { | |
334 | real_value value = TREE_REAL_CST (cst); | |
335 | return RealExp::create (Loc (), ldouble (value), type); | |
336 | } | |
337 | else if (code == STRING_CST) | |
338 | { | |
339 | const void *string = TREE_STRING_POINTER (cst); | |
340 | size_t len = TREE_STRING_LENGTH (cst); | |
341 | return StringExp::create (Loc (), CONST_CAST (void *, string), len); | |
342 | } | |
343 | else if (code == VECTOR_CST) | |
344 | { | |
345 | dinteger_t nunits = VECTOR_CST_NELTS (cst).to_constant (); | |
346 | Expressions *elements = new Expressions; | |
347 | elements->setDim (nunits); | |
348 | ||
349 | for (size_t i = 0; i < nunits; i++) | |
350 | { | |
351 | Expression *elem | |
352 | = d_eval_constant_expression (VECTOR_CST_ELT (cst, i)); | |
353 | if (elem == NULL) | |
354 | return NULL; | |
355 | ||
356 | (*elements)[i] = elem; | |
357 | } | |
358 | ||
359 | Expression *e = ArrayLiteralExp::create (Loc (), elements); | |
360 | e->type = ((TypeVector *) type)->basetype; | |
361 | ||
362 | return VectorExp::create (Loc (), e, type); | |
363 | } | |
364 | } | |
365 | ||
366 | return NULL; | |
367 | } | |
368 | ||
369 | /* Callback for TARGET_D_CPU_VERSIONS and TARGET_D_OS_VERSIONS. | |
370 | Adds IDENT to the list of predefined version identifiers. */ | |
371 | ||
372 | void | |
373 | d_add_builtin_version (const char* ident) | |
374 | { | |
375 | /* For now, we need to tell the D frontend what platform is being targeted. | |
376 | This should be removed once the frontend has been fixed. */ | |
377 | if (strcmp (ident, "linux") == 0) | |
378 | global.params.isLinux = true; | |
379 | else if (strcmp (ident, "OSX") == 0) | |
380 | global.params.isOSX = true; | |
381 | else if (strcmp (ident, "Windows") == 0) | |
382 | global.params.isWindows = true; | |
383 | else if (strcmp (ident, "FreeBSD") == 0) | |
384 | global.params.isFreeBSD = true; | |
385 | else if (strcmp (ident, "OpenBSD") == 0) | |
386 | global.params.isOpenBSD = true; | |
387 | else if (strcmp (ident, "Solaris") == 0) | |
388 | global.params.isSolaris = true; | |
389 | /* The is64bit field only refers to x86_64 target. */ | |
390 | else if (strcmp (ident, "X86_64") == 0) | |
391 | global.params.is64bit = true; | |
392 | /* No other fields are required to be set for the frontend. */ | |
393 | ||
394 | VersionCondition::addPredefinedGlobalIdent (ident); | |
395 | } | |
396 | ||
397 | /* Initialize the list of all the predefined version identifiers. */ | |
398 | ||
399 | void | |
400 | d_init_versions (void) | |
401 | { | |
402 | VersionCondition::addPredefinedGlobalIdent ("GNU"); | |
403 | VersionCondition::addPredefinedGlobalIdent ("D_Version2"); | |
404 | ||
405 | if (BYTES_BIG_ENDIAN) | |
406 | VersionCondition::addPredefinedGlobalIdent ("BigEndian"); | |
407 | else | |
408 | VersionCondition::addPredefinedGlobalIdent ("LittleEndian"); | |
409 | ||
410 | if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ) | |
411 | VersionCondition::addPredefinedGlobalIdent ("GNU_SjLj_Exceptions"); | |
412 | else if (targetm_common.except_unwind_info (&global_options) == UI_SEH) | |
413 | VersionCondition::addPredefinedGlobalIdent ("GNU_SEH_Exceptions"); | |
414 | else if (targetm_common.except_unwind_info (&global_options) == UI_DWARF2) | |
415 | VersionCondition::addPredefinedGlobalIdent ("GNU_DWARF2_Exceptions"); | |
416 | ||
417 | if (!targetm.have_tls) | |
418 | VersionCondition::addPredefinedGlobalIdent ("GNU_EMUTLS"); | |
419 | ||
49686677 IB |
420 | if (STACK_GROWS_DOWNWARD) |
421 | VersionCondition::addPredefinedGlobalIdent ("GNU_StackGrowsDown"); | |
b4c522fa IB |
422 | |
423 | /* Should define this anyway to set us apart from the competition. */ | |
424 | VersionCondition::addPredefinedGlobalIdent ("GNU_InlineAsm"); | |
425 | ||
426 | /* LP64 only means 64bit pointers in D. */ | |
427 | if (global.params.isLP64) | |
428 | VersionCondition::addPredefinedGlobalIdent ("D_LP64"); | |
429 | ||
430 | /* Setting `global.params.cov' forces module info generation which is | |
431 | not needed for the GCC coverage implementation. Instead, just | |
432 | test flag_test_coverage while leaving `global.params.cov' unset. */ | |
433 | if (flag_test_coverage) | |
434 | VersionCondition::addPredefinedGlobalIdent ("D_Coverage"); | |
435 | if (flag_pic) | |
436 | VersionCondition::addPredefinedGlobalIdent ("D_PIC"); | |
437 | ||
438 | if (global.params.doDocComments) | |
439 | VersionCondition::addPredefinedGlobalIdent ("D_Ddoc"); | |
440 | ||
441 | if (global.params.useUnitTests) | |
442 | VersionCondition::addPredefinedGlobalIdent ("unittest"); | |
443 | ||
444 | if (global.params.useAssert) | |
445 | VersionCondition::addPredefinedGlobalIdent ("assert"); | |
446 | ||
447 | if (global.params.useArrayBounds == BOUNDSCHECKoff) | |
448 | VersionCondition::addPredefinedGlobalIdent ("D_NoBoundsChecks"); | |
449 | ||
c0aebc60 IB |
450 | if (global.params.betterC) |
451 | VersionCondition::addPredefinedGlobalIdent ("D_BetterC"); | |
452 | else | |
453 | { | |
454 | VersionCondition::addPredefinedGlobalIdent ("D_ModuleInfo"); | |
455 | VersionCondition::addPredefinedGlobalIdent ("D_Exceptions"); | |
456 | VersionCondition::addPredefinedGlobalIdent ("D_TypeInfo"); | |
457 | } | |
458 | ||
b4c522fa IB |
459 | VersionCondition::addPredefinedGlobalIdent ("all"); |
460 | ||
461 | /* Emit all target-specific version identifiers. */ | |
462 | targetdm.d_cpu_versions (); | |
463 | targetdm.d_os_versions (); | |
9503d7b1 IB |
464 | |
465 | VersionCondition::addPredefinedGlobalIdent ("CppRuntime_Gcc"); | |
b4c522fa IB |
466 | } |
467 | ||
468 | /* A helper for d_build_builtins_module. Return a new ALIAS for TYPE. | |
469 | Analogous to `alias ALIAS = TYPE' in D code. */ | |
470 | ||
471 | static AliasDeclaration * | |
472 | build_alias_declaration (const char *alias, Type *type) | |
473 | { | |
474 | return AliasDeclaration::create (Loc (), Identifier::idPool (alias), type); | |
475 | } | |
476 | ||
477 | /* A helper function for Target::loadModule. Generates all code for the | |
478 | `gcc.builtins' module, whose frontend symbol should be M. */ | |
479 | ||
480 | void | |
481 | d_build_builtins_module (Module *m) | |
482 | { | |
483 | Dsymbols *members = new Dsymbols; | |
484 | tree decl; | |
485 | ||
486 | for (size_t i = 0; vec_safe_iterate (gcc_builtins_functions, i, &decl); ++i) | |
487 | { | |
488 | const char *name = IDENTIFIER_POINTER (DECL_NAME (decl)); | |
489 | TypeFunction *tf | |
490 | = (TypeFunction *) build_frontend_type (TREE_TYPE (decl)); | |
491 | ||
492 | /* Cannot create built-in function type for DECL. */ | |
493 | if (!tf) | |
494 | continue; | |
495 | ||
496 | /* A few notes on D2 attributes applied to builtin functions: | |
497 | - It is assumed that built-ins solely provided by the compiler are | |
498 | considered @safe and pure. | |
499 | - Built-ins that correspond to `extern(C)' functions in the standard | |
500 | library that have `__attribute__(nothrow)' are considered `@trusted'. | |
501 | - The purity of a built-in can vary depending on compiler flags set | |
502 | upon initialization, or by the `-foptions' passed, such as | |
503 | flag_unsafe_math_optimizations. | |
504 | - Built-ins never use the GC or raise a D exception, and so are always | |
505 | marked as `nothrow' and `@nogc'. */ | |
506 | tf->purity = DECL_PURE_P (decl) ? PUREstrong | |
507 | : TREE_READONLY (decl) ? PUREconst | |
508 | : DECL_IS_NOVOPS (decl) ? PUREweak | |
509 | : !DECL_ASSEMBLER_NAME_SET_P (decl) ? PUREweak | |
510 | : PUREimpure; | |
511 | tf->trust = !DECL_ASSEMBLER_NAME_SET_P (decl) ? TRUSTsafe | |
512 | : TREE_NOTHROW (decl) ? TRUSTtrusted | |
513 | : TRUSTsystem; | |
514 | tf->isnothrow = true; | |
515 | tf->isnogc = true; | |
516 | ||
517 | FuncDeclaration *func | |
518 | = FuncDeclaration::create (Loc (), Loc (), | |
519 | Identifier::idPool (name), | |
520 | STCextern, tf); | |
521 | DECL_LANG_SPECIFIC (decl) = build_lang_decl (func); | |
522 | func->csym = decl; | |
523 | func->builtin = BUILTINyes; | |
524 | ||
525 | members->push (func); | |
526 | } | |
527 | ||
528 | for (size_t i = 0; vec_safe_iterate (gcc_builtins_types, i, &decl); ++i) | |
529 | { | |
530 | const char *name = IDENTIFIER_POINTER (DECL_NAME (decl)); | |
531 | Type *t = build_frontend_type (TREE_TYPE (decl)); | |
532 | ||
533 | /* Cannot create built-in type for DECL. */ | |
534 | if (!t) | |
535 | continue; | |
536 | ||
537 | members->push (build_alias_declaration (name, t)); | |
538 | } | |
539 | ||
540 | /* Iterate through the target-specific builtin types for va_list. */ | |
541 | if (targetm.enum_va_list_p) | |
542 | { | |
543 | const char *name; | |
544 | tree type; | |
545 | ||
546 | for (int i = 0; targetm.enum_va_list_p (i, &name, &type); ++i) | |
547 | { | |
548 | Type *t = build_frontend_type (type); | |
549 | /* Cannot create built-in type. */ | |
550 | if (!t) | |
551 | continue; | |
552 | ||
553 | members->push (build_alias_declaration (name, t)); | |
554 | } | |
555 | } | |
556 | ||
557 | /* Push out declarations for any RECORD_TYPE types encountered when building | |
558 | all builtin functions and types. */ | |
559 | for (size_t i = 0; i < builtin_converted_decls.length (); ++i) | |
560 | { | |
561 | /* Currently, there is no need to run semantic, but we do want to output | |
562 | initializers, typeinfo, and others on demand. */ | |
563 | Dsymbol *dsym = builtin_converted_decls[i].dsym; | |
564 | if (dsym != NULL) | |
565 | { | |
566 | dsym->parent = m; | |
567 | members->push (dsym); | |
568 | } | |
569 | } | |
570 | ||
571 | /* va_list should already be built, so no need to convert to D type again. */ | |
572 | members->push (build_alias_declaration ("__builtin_va_list", Type::tvalist)); | |
573 | ||
574 | /* Expose target-specific integer types to the builtins module. */ | |
575 | { | |
576 | Type *t = build_frontend_type (long_integer_type_node); | |
577 | members->push (build_alias_declaration ("__builtin_clong", t)); | |
578 | ||
579 | t = build_frontend_type (long_unsigned_type_node); | |
580 | members->push (build_alias_declaration ("__builtin_culong", t)); | |
581 | ||
582 | t = build_frontend_type (long_long_integer_type_node); | |
583 | members->push (build_alias_declaration ("__builtin_clonglong", t)); | |
584 | ||
585 | t = build_frontend_type (long_long_unsigned_type_node); | |
586 | members->push (build_alias_declaration ("__builtin_culonglong", t)); | |
587 | ||
588 | t = build_frontend_type (lang_hooks.types.type_for_mode (byte_mode, 0)); | |
589 | members->push (build_alias_declaration ("__builtin_machine_byte", t)); | |
590 | ||
591 | t = build_frontend_type (lang_hooks.types.type_for_mode (byte_mode, 1)); | |
592 | members->push (build_alias_declaration ("__builtin_machine_ubyte", t)); | |
593 | ||
594 | t = build_frontend_type (lang_hooks.types.type_for_mode (word_mode, 0)); | |
595 | members->push (build_alias_declaration ("__builtin_machine_int", t)); | |
596 | ||
597 | t = build_frontend_type (lang_hooks.types.type_for_mode (word_mode, 1)); | |
598 | members->push (build_alias_declaration ("__builtin_machine_uint", t)); | |
599 | ||
600 | t = build_frontend_type (lang_hooks.types.type_for_mode (ptr_mode, 0)); | |
601 | members->push (build_alias_declaration ("__builtin_pointer_int", t)); | |
602 | ||
603 | t = build_frontend_type (lang_hooks.types.type_for_mode (ptr_mode, 1)); | |
604 | members->push (build_alias_declaration ("__builtin_pointer_uint", t)); | |
605 | ||
606 | /* _Unwind_Word has its own target specific mode. */ | |
607 | machine_mode mode = targetm.unwind_word_mode (); | |
608 | t = build_frontend_type (lang_hooks.types.type_for_mode (mode, 0)); | |
609 | members->push (build_alias_declaration ("__builtin_unwind_int", t)); | |
610 | ||
611 | t = build_frontend_type (lang_hooks.types.type_for_mode (mode, 1)); | |
612 | members->push (build_alias_declaration ("__builtin_unwind_uint", t)); | |
613 | } | |
614 | ||
615 | m->members->push (LinkDeclaration::create (LINKc, members)); | |
616 | } | |
617 | ||
618 | /* Search for any `extern(C)' functions that match any known GCC library builtin | |
619 | function in D and override its internal back-end symbol. */ | |
620 | ||
621 | static void | |
622 | maybe_set_builtin_1 (Dsymbol *d) | |
623 | { | |
624 | AttribDeclaration *ad = d->isAttribDeclaration (); | |
625 | FuncDeclaration *fd = d->isFuncDeclaration (); | |
626 | ||
627 | if (ad != NULL) | |
628 | { | |
629 | /* Recursively search through attribute decls. */ | |
630 | Dsymbols *decls = ad->include (NULL, NULL); | |
631 | if (decls && decls->dim) | |
632 | { | |
633 | for (size_t i = 0; i < decls->dim; i++) | |
634 | { | |
635 | Dsymbol *sym = (*decls)[i]; | |
636 | maybe_set_builtin_1 (sym); | |
637 | } | |
638 | } | |
639 | } | |
640 | else if (fd && !fd->fbody) | |
641 | { | |
642 | tree t; | |
643 | ||
644 | for (size_t i = 0; vec_safe_iterate (gcc_builtins_libfuncs, i, &t); ++i) | |
645 | { | |
646 | gcc_assert (DECL_ASSEMBLER_NAME_SET_P (t)); | |
647 | ||
648 | const char *name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (t)); | |
649 | if (fd->ident != Identifier::idPool (name)) | |
650 | continue; | |
651 | ||
652 | /* Found a match, tell the frontend this is a builtin. */ | |
653 | DECL_LANG_SPECIFIC (t) = build_lang_decl (fd); | |
654 | fd->csym = t; | |
655 | fd->builtin = BUILTINyes; | |
656 | return; | |
657 | } | |
658 | } | |
659 | } | |
660 | ||
661 | /* A helper function for Target::loadModule. Traverse all members in module M | |
662 | to search for any functions that can be mapped to any GCC builtin. */ | |
663 | ||
664 | void | |
665 | d_maybe_set_builtin (Module *m) | |
666 | { | |
667 | if (!m || !m->members) | |
668 | return; | |
669 | ||
670 | for (size_t i = 0; i < m->members->dim; i++) | |
671 | { | |
672 | Dsymbol *sym = (*m->members)[i]; | |
673 | maybe_set_builtin_1 (sym); | |
674 | } | |
675 | } | |
676 | ||
677 | /* Used to help initialize the builtin-types.def table. When a type of | |
678 | the correct size doesn't exist, use error_mark_node instead of NULL. | |
679 | The latter results in segfaults even when a decl using the type doesn't | |
680 | get invoked. */ | |
681 | ||
682 | static tree | |
683 | builtin_type_for_size (int size, bool unsignedp) | |
684 | { | |
685 | tree type = lang_hooks.types.type_for_size (size, unsignedp); | |
686 | return type ? type : error_mark_node; | |
687 | } | |
688 | ||
689 | /* Support for DEF_BUILTIN. */ | |
690 | ||
691 | static void | |
692 | do_build_builtin_fn (built_in_function fncode, | |
693 | const char *name, | |
694 | built_in_class fnclass, | |
695 | tree fntype, bool both_p, bool fallback_p, | |
696 | tree fnattrs, bool implicit_p) | |
697 | { | |
698 | tree decl; | |
699 | const char *libname; | |
700 | ||
701 | if (fntype == error_mark_node) | |
702 | return; | |
703 | ||
704 | gcc_assert ((!both_p && !fallback_p) | |
705 | || !strncmp (name, "__builtin_", | |
706 | strlen ("__builtin_"))); | |
707 | ||
708 | libname = name + strlen ("__builtin_"); | |
709 | ||
710 | decl = add_builtin_function (name, fntype, fncode, fnclass, | |
711 | fallback_p ? libname : NULL, fnattrs); | |
712 | ||
713 | set_builtin_decl (fncode, decl, implicit_p); | |
714 | } | |
715 | ||
716 | /* Standard data types to be used in builtin argument declarations. */ | |
717 | ||
718 | static GTY(()) tree string_type_node; | |
719 | static GTY(()) tree const_string_type_node; | |
720 | static GTY(()) tree wint_type_node; | |
721 | static GTY(()) tree intmax_type_node; | |
722 | static GTY(()) tree uintmax_type_node; | |
723 | static GTY(()) tree signed_size_type_node; | |
724 | ||
725 | ||
726 | /* Build nodes that would have been created by the C front-end; necessary | |
727 | for including builtin-types.def and ultimately builtins.def. */ | |
728 | ||
729 | static void | |
730 | d_build_c_type_nodes (void) | |
731 | { | |
732 | void_list_node = build_tree_list (NULL_TREE, void_type_node); | |
733 | string_type_node = build_pointer_type (char_type_node); | |
734 | const_string_type_node | |
735 | = build_pointer_type (build_qualified_type (char_type_node, | |
736 | TYPE_QUAL_CONST)); | |
737 | ||
738 | if (strcmp (SIZE_TYPE, "unsigned int") == 0) | |
739 | { | |
740 | intmax_type_node = integer_type_node; | |
741 | uintmax_type_node = unsigned_type_node; | |
742 | signed_size_type_node = integer_type_node; | |
743 | } | |
744 | else if (strcmp (SIZE_TYPE, "long unsigned int") == 0) | |
745 | { | |
746 | intmax_type_node = long_integer_type_node; | |
747 | uintmax_type_node = long_unsigned_type_node; | |
748 | signed_size_type_node = long_integer_type_node; | |
749 | } | |
750 | else if (strcmp (SIZE_TYPE, "long long unsigned int") == 0) | |
751 | { | |
752 | intmax_type_node = long_long_integer_type_node; | |
753 | uintmax_type_node = long_long_unsigned_type_node; | |
754 | signed_size_type_node = long_long_integer_type_node; | |
755 | } | |
756 | else | |
757 | gcc_unreachable (); | |
758 | ||
759 | wint_type_node = unsigned_type_node; | |
760 | pid_type_node = integer_type_node; | |
761 | } | |
762 | ||
763 | /* Build nodes that are used by the D front-end. | |
764 | These are distinct from C types. */ | |
765 | ||
766 | static void | |
767 | d_build_d_type_nodes (void) | |
768 | { | |
769 | /* Integral types. */ | |
770 | d_byte_type = make_signed_type (8); | |
771 | d_ubyte_type = make_unsigned_type (8); | |
772 | ||
773 | d_short_type = make_signed_type (16); | |
774 | d_ushort_type = make_unsigned_type (16); | |
775 | ||
776 | d_int_type = make_signed_type (32); | |
777 | d_uint_type = make_unsigned_type (32); | |
778 | ||
779 | d_long_type = make_signed_type (64); | |
780 | d_ulong_type = make_unsigned_type (64); | |
781 | ||
782 | d_cent_type = make_signed_type (128); | |
783 | d_ucent_type = make_unsigned_type (128); | |
784 | ||
785 | { | |
786 | /* Re-define size_t as a D type. */ | |
787 | machine_mode type_mode = TYPE_MODE (size_type_node); | |
788 | size_type_node = lang_hooks.types.type_for_mode (type_mode, 1); | |
789 | } | |
790 | ||
791 | /* Bool and Character types. */ | |
792 | d_bool_type = make_unsigned_type (1); | |
793 | TREE_SET_CODE (d_bool_type, BOOLEAN_TYPE); | |
794 | ||
795 | char8_type_node = make_unsigned_type (8); | |
796 | TYPE_STRING_FLAG (char8_type_node) = 1; | |
797 | ||
798 | char16_type_node = make_unsigned_type (16); | |
799 | TYPE_STRING_FLAG (char16_type_node) = 1; | |
800 | ||
801 | char32_type_node = make_unsigned_type (32); | |
802 | TYPE_STRING_FLAG (char32_type_node) = 1; | |
803 | ||
804 | /* Imaginary types. */ | |
805 | ifloat_type_node = build_distinct_type_copy (float_type_node); | |
806 | TYPE_IMAGINARY_FLOAT (ifloat_type_node) = 1; | |
807 | ||
808 | idouble_type_node = build_distinct_type_copy (double_type_node); | |
809 | TYPE_IMAGINARY_FLOAT (idouble_type_node) = 1; | |
810 | ||
811 | ireal_type_node = build_distinct_type_copy (long_double_type_node); | |
812 | TYPE_IMAGINARY_FLOAT (ireal_type_node) = 1; | |
813 | ||
814 | /* Used for ModuleInfo, ClassInfo, and Interface decls. */ | |
815 | unknown_type_node = make_node (RECORD_TYPE); | |
816 | ||
817 | /* Make sure we get a unique function type, so we can give | |
818 | its pointer type a name. (This wins for gdb). */ | |
819 | { | |
820 | tree vfunc_type = make_node (FUNCTION_TYPE); | |
821 | TREE_TYPE (vfunc_type) = d_int_type; | |
822 | TYPE_ARG_TYPES (vfunc_type) = NULL_TREE; | |
823 | layout_type (vfunc_type); | |
824 | ||
825 | vtable_entry_type = build_pointer_type (vfunc_type); | |
826 | } | |
827 | ||
828 | vtbl_ptr_type_node = build_pointer_type (vtable_entry_type); | |
829 | layout_type (vtbl_ptr_type_node); | |
830 | ||
831 | /* When an object is accessed via an interface, this type appears | |
832 | as the first entry in its vtable. */ | |
833 | { | |
834 | tree domain = build_index_type (size_int (3)); | |
835 | vtbl_interface_type_node = build_array_type (ptr_type_node, domain); | |
836 | } | |
837 | ||
838 | /* Use `void[]' as a generic dynamic array type. */ | |
839 | array_type_node = make_struct_type ("__builtin_void[]", 2, | |
840 | get_identifier ("length"), size_type_node, | |
841 | get_identifier ("ptr"), ptr_type_node); | |
842 | TYPE_DYNAMIC_ARRAY (array_type_node) = 1; | |
843 | ||
844 | null_array_node = d_array_value (array_type_node, size_zero_node, | |
845 | null_pointer_node); | |
846 | } | |
847 | ||
848 | /* Handle default attributes. */ | |
849 | ||
850 | enum built_in_attribute | |
851 | { | |
852 | #define DEF_ATTR_NULL_TREE(ENUM) ENUM, | |
853 | #define DEF_ATTR_INT(ENUM, VALUE) ENUM, | |
854 | #define DEF_ATTR_STRING(ENUM, VALUE) ENUM, | |
855 | #define DEF_ATTR_IDENT(ENUM, STRING) ENUM, | |
856 | #define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN) ENUM, | |
857 | #include "builtin-attrs.def" | |
858 | #undef DEF_ATTR_NULL_TREE | |
859 | #undef DEF_ATTR_INT | |
860 | #undef DEF_ATTR_STRING | |
861 | #undef DEF_ATTR_IDENT | |
862 | #undef DEF_ATTR_TREE_LIST | |
863 | ATTR_LAST | |
864 | }; | |
865 | ||
866 | static GTY(()) tree built_in_attributes[(int) ATTR_LAST]; | |
867 | ||
868 | /* Initialize the attribute table for all the supported builtins. */ | |
869 | ||
870 | static void | |
871 | d_init_attributes (void) | |
872 | { | |
873 | /* Fill in the built_in_attributes array. */ | |
874 | #define DEF_ATTR_NULL_TREE(ENUM) \ | |
875 | built_in_attributes[(int) ENUM] = NULL_TREE; | |
876 | # define DEF_ATTR_INT(ENUM, VALUE) \ | |
877 | built_in_attributes[(int) ENUM] = build_int_cst (NULL_TREE, VALUE); | |
878 | #define DEF_ATTR_STRING(ENUM, VALUE) \ | |
879 | built_in_attributes[(int) ENUM] = build_string (strlen (VALUE), VALUE); | |
880 | #define DEF_ATTR_IDENT(ENUM, STRING) \ | |
881 | built_in_attributes[(int) ENUM] = get_identifier (STRING); | |
882 | #define DEF_ATTR_TREE_LIST(ENUM, PURPOSE, VALUE, CHAIN) \ | |
883 | built_in_attributes[(int) ENUM] \ | |
884 | = tree_cons (built_in_attributes[(int) PURPOSE], \ | |
885 | built_in_attributes[(int) VALUE], \ | |
886 | built_in_attributes[(int) CHAIN]); | |
887 | #include "builtin-attrs.def" | |
888 | #undef DEF_ATTR_NULL_TREE | |
889 | #undef DEF_ATTR_INT | |
890 | #undef DEF_ATTR_STRING | |
891 | #undef DEF_ATTR_IDENT | |
892 | #undef DEF_ATTR_TREE_LIST | |
893 | } | |
894 | ||
895 | /* Builtin types. */ | |
896 | ||
897 | enum d_builtin_type | |
898 | { | |
899 | #define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME, | |
900 | #define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME, | |
901 | #define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME, | |
902 | #define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME, | |
903 | #define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME, | |
904 | #define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME, | |
905 | #define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME, | |
906 | #define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
907 | ARG6) NAME, | |
908 | #define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
909 | ARG6, ARG7) NAME, | |
910 | #define DEF_FUNCTION_TYPE_8(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
911 | ARG6, ARG7, ARG8) NAME, | |
912 | #define DEF_FUNCTION_TYPE_9(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
913 | ARG6, ARG7, ARG8, ARG9) NAME, | |
914 | #define DEF_FUNCTION_TYPE_10(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
915 | ARG6, ARG7, ARG8, ARG9, ARG10) NAME, | |
916 | #define DEF_FUNCTION_TYPE_11(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
917 | ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) NAME, | |
918 | #define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME, | |
919 | #define DEF_FUNCTION_TYPE_VAR_1(NAME, RETURN, ARG1) NAME, | |
920 | #define DEF_FUNCTION_TYPE_VAR_2(NAME, RETURN, ARG1, ARG2) NAME, | |
921 | #define DEF_FUNCTION_TYPE_VAR_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME, | |
922 | #define DEF_FUNCTION_TYPE_VAR_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME, | |
923 | #define DEF_FUNCTION_TYPE_VAR_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ | |
924 | NAME, | |
925 | #define DEF_FUNCTION_TYPE_VAR_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
926 | ARG6) NAME, | |
927 | #define DEF_FUNCTION_TYPE_VAR_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
928 | ARG6, ARG7) NAME, | |
929 | #define DEF_FUNCTION_TYPE_VAR_11(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
930 | ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) NAME, | |
931 | #define DEF_POINTER_TYPE(NAME, TYPE) NAME, | |
932 | #include "builtin-types.def" | |
933 | #undef DEF_PRIMITIVE_TYPE | |
934 | #undef DEF_FUNCTION_TYPE_0 | |
935 | #undef DEF_FUNCTION_TYPE_1 | |
936 | #undef DEF_FUNCTION_TYPE_2 | |
937 | #undef DEF_FUNCTION_TYPE_3 | |
938 | #undef DEF_FUNCTION_TYPE_4 | |
939 | #undef DEF_FUNCTION_TYPE_5 | |
940 | #undef DEF_FUNCTION_TYPE_6 | |
941 | #undef DEF_FUNCTION_TYPE_7 | |
942 | #undef DEF_FUNCTION_TYPE_8 | |
943 | #undef DEF_FUNCTION_TYPE_9 | |
944 | #undef DEF_FUNCTION_TYPE_10 | |
945 | #undef DEF_FUNCTION_TYPE_11 | |
946 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
947 | #undef DEF_FUNCTION_TYPE_VAR_1 | |
948 | #undef DEF_FUNCTION_TYPE_VAR_2 | |
949 | #undef DEF_FUNCTION_TYPE_VAR_3 | |
950 | #undef DEF_FUNCTION_TYPE_VAR_4 | |
951 | #undef DEF_FUNCTION_TYPE_VAR_5 | |
952 | #undef DEF_FUNCTION_TYPE_VAR_6 | |
953 | #undef DEF_FUNCTION_TYPE_VAR_7 | |
954 | #undef DEF_FUNCTION_TYPE_VAR_11 | |
955 | #undef DEF_POINTER_TYPE | |
956 | BT_LAST | |
957 | }; | |
958 | ||
959 | typedef enum d_builtin_type builtin_type; | |
960 | ||
961 | /* A temporary array used in communication with def_fn_type. */ | |
962 | static GTY(()) tree builtin_types[(int) BT_LAST + 1]; | |
963 | ||
964 | /* A helper function for d_init_builtins. Build function type for DEF with | |
965 | return type RET and N arguments. If VAR is true, then the function should | |
966 | be variadic after those N arguments. | |
967 | ||
968 | Takes special care not to ICE if any of the types involved are | |
969 | error_mark_node, which indicates that said type is not in fact available | |
970 | (see builtin_type_for_size). In which case the function type as a whole | |
971 | should be error_mark_node. */ | |
972 | ||
973 | static void | |
974 | def_fn_type (builtin_type def, builtin_type ret, bool var, int n, ...) | |
975 | { | |
976 | tree t; | |
977 | tree *args = XALLOCAVEC (tree, n); | |
978 | va_list list; | |
979 | int i; | |
980 | ||
981 | va_start (list, n); | |
982 | for (i = 0; i < n; ++i) | |
983 | { | |
984 | builtin_type a = (builtin_type) va_arg (list, int); | |
985 | t = builtin_types[a]; | |
986 | if (t == error_mark_node) | |
987 | goto egress; | |
988 | args[i] = t; | |
989 | } | |
990 | ||
991 | t = builtin_types[ret]; | |
992 | if (t == error_mark_node) | |
993 | goto egress; | |
994 | if (var) | |
995 | t = build_varargs_function_type_array (t, n, args); | |
996 | else | |
997 | t = build_function_type_array (t, n, args); | |
998 | ||
999 | egress: | |
1000 | builtin_types[def] = t; | |
1001 | va_end (list); | |
1002 | } | |
1003 | ||
1004 | /* Create builtin types and functions. VA_LIST_REF_TYPE_NODE and | |
1005 | VA_LIST_ARG_TYPE_NODE are used in builtin-types.def. */ | |
1006 | ||
1007 | static void | |
1008 | d_define_builtins (tree va_list_ref_type_node ATTRIBUTE_UNUSED, | |
1009 | tree va_list_arg_type_node ATTRIBUTE_UNUSED) | |
1010 | { | |
1011 | #define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \ | |
1012 | builtin_types[(int) ENUM] = VALUE; | |
1013 | #define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \ | |
1014 | def_fn_type (ENUM, RETURN, 0, 0); | |
1015 | #define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \ | |
1016 | def_fn_type (ENUM, RETURN, 0, 1, ARG1); | |
1017 | #define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \ | |
1018 | def_fn_type (ENUM, RETURN, 0, 2, ARG1, ARG2); | |
1019 | #define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \ | |
1020 | def_fn_type (ENUM, RETURN, 0, 3, ARG1, ARG2, ARG3); | |
1021 | #define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \ | |
1022 | def_fn_type (ENUM, RETURN, 0, 4, ARG1, ARG2, ARG3, ARG4); | |
1023 | #define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ | |
1024 | def_fn_type (ENUM, RETURN, 0, 5, ARG1, ARG2, ARG3, ARG4, ARG5); | |
1025 | #define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1026 | ARG6) \ | |
1027 | def_fn_type (ENUM, RETURN, 0, 6, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); | |
1028 | #define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1029 | ARG6, ARG7) \ | |
1030 | def_fn_type (ENUM, RETURN, 0, 7, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7); | |
1031 | #define DEF_FUNCTION_TYPE_8(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1032 | ARG6, ARG7, ARG8) \ | |
1033 | def_fn_type (ENUM, RETURN, 0, 8, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \ | |
1034 | ARG7, ARG8); | |
1035 | #define DEF_FUNCTION_TYPE_9(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1036 | ARG6, ARG7, ARG8, ARG9) \ | |
1037 | def_fn_type (ENUM, RETURN, 0, 9, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \ | |
1038 | ARG7, ARG8, ARG9); | |
1039 | #define DEF_FUNCTION_TYPE_10(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1040 | ARG6, ARG7, ARG8, ARG9, ARG10) \ | |
1041 | def_fn_type (ENUM, RETURN, 0, 10, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \ | |
1042 | ARG7, ARG8, ARG9, ARG10); | |
1043 | #define DEF_FUNCTION_TYPE_11(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1044 | ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) \ | |
1045 | def_fn_type (ENUM, RETURN, 0, 11, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \ | |
1046 | ARG7, ARG8, ARG9, ARG10, ARG11); | |
1047 | #define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \ | |
1048 | def_fn_type (ENUM, RETURN, 1, 0); | |
1049 | #define DEF_FUNCTION_TYPE_VAR_1(ENUM, RETURN, ARG1) \ | |
1050 | def_fn_type (ENUM, RETURN, 1, 1, ARG1); | |
1051 | #define DEF_FUNCTION_TYPE_VAR_2(ENUM, RETURN, ARG1, ARG2) \ | |
1052 | def_fn_type (ENUM, RETURN, 1, 2, ARG1, ARG2); | |
1053 | #define DEF_FUNCTION_TYPE_VAR_3(ENUM, RETURN, ARG1, ARG2, ARG3) \ | |
1054 | def_fn_type (ENUM, RETURN, 1, 3, ARG1, ARG2, ARG3); | |
1055 | #define DEF_FUNCTION_TYPE_VAR_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \ | |
1056 | def_fn_type (ENUM, RETURN, 1, 4, ARG1, ARG2, ARG3, ARG4); | |
1057 | #define DEF_FUNCTION_TYPE_VAR_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ | |
1058 | def_fn_type (ENUM, RETURN, 1, 5, ARG1, ARG2, ARG3, ARG4, ARG5); | |
1059 | #define DEF_FUNCTION_TYPE_VAR_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1060 | ARG6) \ | |
1061 | def_fn_type (ENUM, RETURN, 1, 6, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6); | |
1062 | #define DEF_FUNCTION_TYPE_VAR_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1063 | ARG6, ARG7) \ | |
1064 | def_fn_type (ENUM, RETURN, 1, 7, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7); | |
1065 | #define DEF_FUNCTION_TYPE_VAR_11(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ | |
1066 | ARG6, ARG7, ARG8, ARG9, ARG10, ARG11) \ | |
1067 | def_fn_type (ENUM, RETURN, 1, 11, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, \ | |
1068 | ARG7, ARG8, ARG9, ARG10, ARG11); | |
1069 | #define DEF_POINTER_TYPE(ENUM, TYPE) \ | |
1070 | builtin_types[(int) ENUM] = build_pointer_type (builtin_types[(int) TYPE]); | |
1071 | ||
1072 | #include "builtin-types.def" | |
1073 | ||
1074 | #undef DEF_PRIMITIVE_TYPE | |
1075 | #undef DEF_FUNCTION_TYPE_1 | |
1076 | #undef DEF_FUNCTION_TYPE_2 | |
1077 | #undef DEF_FUNCTION_TYPE_3 | |
1078 | #undef DEF_FUNCTION_TYPE_4 | |
1079 | #undef DEF_FUNCTION_TYPE_5 | |
1080 | #undef DEF_FUNCTION_TYPE_6 | |
1081 | #undef DEF_FUNCTION_TYPE_7 | |
1082 | #undef DEF_FUNCTION_TYPE_8 | |
1083 | #undef DEF_FUNCTION_TYPE_9 | |
1084 | #undef DEF_FUNCTION_TYPE_10 | |
1085 | #undef DEF_FUNCTION_TYPE_11 | |
1086 | #undef DEF_FUNCTION_TYPE_VAR_0 | |
1087 | #undef DEF_FUNCTION_TYPE_VAR_1 | |
1088 | #undef DEF_FUNCTION_TYPE_VAR_2 | |
1089 | #undef DEF_FUNCTION_TYPE_VAR_3 | |
1090 | #undef DEF_FUNCTION_TYPE_VAR_4 | |
1091 | #undef DEF_FUNCTION_TYPE_VAR_5 | |
1092 | #undef DEF_FUNCTION_TYPE_VAR_6 | |
1093 | #undef DEF_FUNCTION_TYPE_VAR_7 | |
1094 | #undef DEF_FUNCTION_TYPE_VAR_11 | |
1095 | #undef DEF_POINTER_TYPE | |
1096 | builtin_types[(int) BT_LAST] = NULL_TREE; | |
1097 | ||
1098 | d_init_attributes (); | |
1099 | ||
1100 | #define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P, FALLBACK_P, \ | |
1101 | NONANSI_P, ATTRS, IMPLICIT, COND) \ | |
1102 | if (NAME && COND) \ | |
1103 | do_build_builtin_fn (ENUM, NAME, CLASS, \ | |
1104 | builtin_types[(int) TYPE], \ | |
1105 | BOTH_P, FALLBACK_P, \ | |
1106 | built_in_attributes[(int) ATTRS], IMPLICIT); | |
1107 | #include "builtins.def" | |
1108 | #undef DEF_BUILTIN | |
1109 | } | |
1110 | ||
1111 | /* Build builtin functions and types for the D language frontend. */ | |
1112 | ||
1113 | void | |
1114 | d_init_builtins (void) | |
1115 | { | |
1116 | /* Build the "standard" abi va_list. */ | |
1117 | Type::tvalist = build_frontend_type (va_list_type_node); | |
1118 | if (!Type::tvalist) | |
1119 | { | |
a9c697b8 | 1120 | error ("cannot represent built-in %<va_list%> type in D"); |
b4c522fa IB |
1121 | gcc_unreachable (); |
1122 | } | |
1123 | ||
1124 | /* Map the va_list type to the D frontend Type. This is to prevent both | |
1125 | errors in gimplification or an ICE in targetm.canonical_va_list_type. */ | |
1126 | Type::tvalist->ctype = va_list_type_node; | |
1127 | TYPE_LANG_SPECIFIC (va_list_type_node) = build_lang_type (Type::tvalist); | |
1128 | ||
1129 | d_build_c_type_nodes (); | |
1130 | d_build_d_type_nodes (); | |
1131 | ||
1132 | if (TREE_CODE (va_list_type_node) == ARRAY_TYPE) | |
1133 | { | |
1134 | /* It might seem natural to make the argument type a pointer, but there | |
1135 | is no implicit casting from arrays to pointers in D. */ | |
1136 | d_define_builtins (va_list_type_node, va_list_type_node); | |
1137 | } | |
1138 | else | |
1139 | { | |
1140 | d_define_builtins (build_reference_type (va_list_type_node), | |
1141 | va_list_type_node); | |
1142 | } | |
1143 | ||
1144 | targetm.init_builtins (); | |
1145 | build_common_builtin_nodes (); | |
1146 | } | |
1147 | ||
1148 | /* Registration of machine- or os-specific builtin types. | |
1149 | Add to builtin types list for maybe processing later | |
1150 | if `gcc.builtins' was imported into the current module. */ | |
1151 | ||
1152 | void | |
1153 | d_register_builtin_type (tree type, const char *name) | |
1154 | { | |
1155 | tree decl = build_decl (UNKNOWN_LOCATION, TYPE_DECL, | |
1156 | get_identifier (name), type); | |
1157 | DECL_ARTIFICIAL (decl) = 1; | |
1158 | ||
1159 | if (!TYPE_NAME (type)) | |
1160 | TYPE_NAME (type) = decl; | |
1161 | ||
1162 | vec_safe_push (gcc_builtins_types, decl); | |
1163 | } | |
1164 | ||
1165 | /* Add DECL to builtin functions list for maybe processing later | |
1166 | if `gcc.builtins' was imported into the current module. */ | |
1167 | ||
1168 | tree | |
1169 | d_builtin_function (tree decl) | |
1170 | { | |
1171 | if (!flag_no_builtin && DECL_ASSEMBLER_NAME_SET_P (decl)) | |
1172 | vec_safe_push (gcc_builtins_libfuncs, decl); | |
1173 | ||
1174 | vec_safe_push (gcc_builtins_functions, decl); | |
1175 | return decl; | |
1176 | } | |
1177 | ||
1178 | ||
1179 | #include "gt-d-d-builtins.h" |