2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Representation of all program known entities.
23 * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
43 #include "irgraph_t.h"
44 #include "callgraph.h"
46 #include "compound_path.h"
48 /*-----------------------------------------------------------------*/
50 /*-----------------------------------------------------------------*/
52 ir_entity *unknown_entity = NULL;
54 ir_entity *get_unknown_entity(void) { return unknown_entity; }
56 /** The name of the unknown entity. */
57 #define UNKNOWN_ENTITY_NAME "unknown_entity"
59 /*-----------------------------------------------------------------*/
61 /*-----------------------------------------------------------------*/
64 * Add an entity to it's already set owner type.
66 static inline void insert_entity_in_owner(ir_entity *ent) {
67 ir_type *owner = ent->owner;
68 switch (get_type_tpop_code(owner)) {
70 add_class_member(owner, ent);
73 add_struct_member(owner, ent);
76 add_union_member(owner, ent);
79 set_array_element_entity(owner, ent);
82 panic("Unsupported type kind");
84 } /* insert_entity_in_owner */
87 * Creates a new entity. This entity is NOT inserted in the owner type.
89 * @param db debug info for this entity
90 * @param owner the owner type of the new entity
91 * @param name the name of the new entity
92 * @param type the type of the new entity
94 * @return the new created entity
96 static inline ir_entity *
97 new_rd_entity(dbg_info *db, ir_type *owner, ident *name, ir_type *type)
102 assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
104 res = XMALLOCZ(ir_entity);
106 res->kind = k_entity;
112 res->volatility = volatility_non_volatile;
113 res->aligned = align_is_aligned;
114 res->usage = ir_usage_unknown;
115 res->compiler_gen = 0;
116 res->visibility = ir_visibility_default;
118 res->offset_bit_remainder = 0;
121 res->repr_class = NULL;
123 if (is_Method_type(type)) {
125 ir_mode *mode = is_Method_type(type) ? mode_P_code : mode_P_data;
127 rem = current_ir_graph;
128 current_ir_graph = get_const_code_irg();
129 set_atomic_ent_value(res, new_SymConst(mode, sym, symconst_addr_ent));
130 current_ir_graph = rem;
131 res->linkage = IR_LINKAGE_CONSTANT;
132 res->attr.mtd_attr.irg_add_properties = mtp_property_inherited;
133 res->attr.mtd_attr.vtable_number = VTABLE_NUM_NOT_SET;
134 res->attr.mtd_attr.param_access = NULL;
135 res->attr.mtd_attr.param_weight = NULL;
136 res->attr.mtd_attr.irg = NULL;
137 } else if (is_compound_type(type)) {
138 res->attr.cmpd_attr.values = NULL;
139 res->attr.cmpd_attr.val_paths = NULL;
140 } else if (is_code_type(type)) {
141 res->attr.code_attr.label = (ir_label_t) -1;
144 if (is_Class_type(owner)) {
145 res->overwrites = NEW_ARR_F(ir_entity *, 0);
146 res->overwrittenby = NEW_ARR_F(ir_entity *, 0);
148 res->overwrites = NULL;
149 res->overwrittenby = NULL;
153 res->nr = get_irp_new_node_nr();
154 #endif /* DEBUG_libfirm */
157 set_entity_dbg_info(res, db);
160 } /* new_rd_entity */
163 new_d_entity(ir_type *owner, ident *name, ir_type *type, dbg_info *db) {
166 assert(is_compound_type(owner));
167 res = new_rd_entity(db, owner, name, type);
168 /* Remember entity in it's owner. */
169 insert_entity_in_owner(res);
171 hook_new_entity(res);
176 new_entity(ir_type *owner, ident *name, ir_type *type) {
177 return new_d_entity(owner, name, type, NULL);
181 * Free entity attributes.
183 * @param ent the entity
185 static void free_entity_attrs(ir_entity *ent)
188 if (get_type_tpop(get_entity_owner(ent)) == type_class) {
189 DEL_ARR_F(ent->overwrites); ent->overwrites = NULL;
190 DEL_ARR_F(ent->overwrittenby); ent->overwrittenby = NULL;
192 assert(ent->overwrites == NULL);
193 assert(ent->overwrittenby == NULL);
195 if (ent->initializer != NULL) {
196 /* TODO: free initializers */
197 } else if (entity_has_compound_ent_values(ent)) {
198 if (ent->attr.cmpd_attr.val_paths) {
199 for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i)
200 if (ent->attr.cmpd_attr.val_paths[i]) {
201 /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */
202 /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
203 /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */
205 ent->attr.cmpd_attr.val_paths = NULL;
208 if (is_compound_entity(ent)) {
209 if (ent->attr.cmpd_attr.values) {
210 /*DEL_ARR_F(ent->attr.cmpd_attr.values)*/;
212 ent->attr.cmpd_attr.values = NULL;
213 } else if (is_method_entity(ent)) {
214 if (ent->attr.mtd_attr.param_access) {
215 DEL_ARR_F(ent->attr.mtd_attr.param_access);
216 ent->attr.mtd_attr.param_access = NULL;
218 if (ent->attr.mtd_attr.param_weight) {
219 DEL_ARR_F(ent->attr.mtd_attr.param_weight);
220 ent->attr.mtd_attr.param_weight = NULL;
223 } /* free_entity_attrs */
226 * Creates a deep copy of an entity.
228 static ir_entity *deep_entity_copy(ir_entity *old)
230 ir_entity *newe = XMALLOC(ir_entity);
233 if (old->initializer != NULL) {
234 /* FIXME: the initializers are NOT copied */
235 } else if (entity_has_compound_ent_values(old)) {
236 newe->attr.cmpd_attr.values = NULL;
237 newe->attr.cmpd_attr.val_paths = NULL;
238 if (old->attr.cmpd_attr.values)
239 newe->attr.cmpd_attr.values = DUP_ARR_F(ir_node *, old->attr.cmpd_attr.values);
241 /* FIXME: the compound graph paths are NOT copied */
242 if (old->attr.cmpd_attr.val_paths)
243 newe->attr.cmpd_attr.val_paths = DUP_ARR_F(compound_graph_path *, old->attr.cmpd_attr.val_paths);
244 } else if (is_method_entity(old)) {
245 /* do NOT copy them, reanalyze. This might be the best solution */
246 newe->attr.mtd_attr.param_access = NULL;
247 newe->attr.mtd_attr.param_weight = NULL;
251 newe->nr = get_irp_new_node_nr();
256 * Copies the entity if the new_owner is different from the
257 * owner of the old entity, else returns the old entity.
260 copy_entity_own(ir_entity *old, ir_type *new_owner) {
262 assert(is_entity(old));
263 assert(is_compound_type(new_owner));
264 assert(get_type_state(new_owner) != layout_fixed);
266 if (old->owner == new_owner)
269 /* create a deep copy so we are safe of aliasing and double-freeing. */
270 newe = deep_entity_copy(old);
271 newe->owner = new_owner;
273 if (is_Class_type(new_owner)) {
274 newe->overwrites = NEW_ARR_F(ir_entity *, 0);
275 newe->overwrittenby = NEW_ARR_F(ir_entity *, 0);
278 insert_entity_in_owner(newe);
280 } /* copy_entity_own */
283 copy_entity_name(ir_entity *old, ident *new_name) {
285 assert(old && old->kind == k_entity);
287 if (old->name == new_name) return old;
288 newe = deep_entity_copy(old);
289 newe->name = new_name;
290 newe->ld_name = NULL;
292 if (is_Class_type(newe->owner)) {
293 newe->overwrites = DUP_ARR_F(ir_entity *, old->overwrites);
294 newe->overwrittenby = DUP_ARR_F(ir_entity *, old->overwrittenby);
296 insert_entity_in_owner(newe);
299 } /* copy_entity_name */
302 free_entity(ir_entity *ent) {
303 assert(ent && ent->kind == k_entity);
304 free_entity_attrs(ent);
309 /* Outputs a unique number for this node */
311 get_entity_nr(const ir_entity *ent) {
312 assert(ent && ent->kind == k_entity);
316 return (long)PTR_TO_INT(ent);
318 } /* get_entity_nr */
321 (get_entity_name)(const ir_entity *ent) {
322 return _get_entity_name(ent);
326 (get_entity_ident)(const ir_entity *ent) {
327 return _get_entity_ident(ent);
331 (set_entity_ident)(ir_entity *ent, ident *id) {
332 _set_entity_ident(ent, id);
336 (get_entity_owner)(const ir_entity *ent) {
337 return _get_entity_owner(ent);
341 set_entity_owner(ir_entity *ent, ir_type *owner) {
342 assert(is_entity(ent));
343 assert(is_compound_type(owner));
347 ident *(get_entity_ld_ident)(const ir_entity *ent)
349 return _get_entity_ld_ident(ent);
353 (set_entity_ld_ident)(ir_entity *ent, ident *ld_ident) {
354 _set_entity_ld_ident(ent, ld_ident);
357 const char *(get_entity_ld_name)(const ir_entity *ent)
359 return _get_entity_ld_name(ent);
363 (get_entity_type)(const ir_entity *ent) {
364 return _get_entity_type(ent);
368 (set_entity_type)(ir_entity *ent, ir_type *type) {
369 _set_entity_type(ent, type);
373 (get_entity_volatility)(const ir_entity *ent) {
374 return _get_entity_volatility(ent);
378 (set_entity_volatility)(ir_entity *ent, ir_volatility vol) {
379 _set_entity_volatility(ent, vol);
382 /* Return the name of the volatility. */
383 const char *get_volatility_name(ir_volatility var)
385 #define X(a) case a: return #a
387 X(volatility_non_volatile);
388 X(volatility_is_volatile);
389 default: return "BAD VALUE";
392 } /* get_volatility_name */
395 (get_entity_aligned)(const ir_entity *ent) {
396 return _get_entity_aligned(ent);
400 (set_entity_aligned)(ir_entity *ent, ir_align a) {
401 _set_entity_aligned(ent, a);
405 (get_entity_alignment)(const ir_entity *ent) {
406 return _get_entity_alignment(ent);
410 (set_entity_alignment)(ir_entity *ent, unsigned alignment) {
411 _set_entity_alignment(ent, alignment);
414 /* Return the name of the alignment. */
415 const char *get_align_name(ir_align a)
417 #define X(a) case a: return #a
419 X(align_non_aligned);
421 default: return "BAD VALUE";
424 } /* get_align_name */
427 set_entity_label(ir_entity *ent, ir_label_t label)
429 ent->attr.code_attr.label = label;
432 ir_label_t get_entity_label(const ir_entity *ent)
434 return ent->attr.code_attr.label;
437 static void verify_visibility(const ir_entity *entity)
439 if (get_entity_visibility(entity) == ir_visibility_external
440 && !is_method_entity(entity)) {
441 assert(!entity_has_definition(entity));
445 void set_entity_visibility(ir_entity *entity, ir_visibility visibility)
447 entity->visibility = visibility;
448 verify_visibility(entity);
451 ir_visibility get_entity_visibility(const ir_entity *entity)
453 return entity->visibility;
456 static void verify_linkage(const ir_entity *entity)
458 ir_linkage linkage = entity->linkage;
459 /* weak symbols can't really be constant, since someone else can always
461 assert(! ((linkage & IR_LINKAGE_CONSTANT) && (linkage & IR_LINKAGE_WEAK)));
464 void set_entity_linkage(ir_entity *entity, ir_linkage linkage)
466 entity->linkage = linkage;
467 verify_linkage(entity);
470 ir_linkage (get_entity_linkage)(const ir_entity *entity)
472 return get_entity_linkage(entity);
475 void add_entity_linkage(ir_entity *entity, ir_linkage linkage)
477 entity->linkage |= linkage;
478 verify_linkage(entity);
481 void remove_entity_linkage(ir_entity *entity, ir_linkage linkage)
483 entity->linkage &= ~linkage;
484 verify_linkage(entity);
487 /* Checks if an entity is compiler generated */
488 int (is_entity_compiler_generated)(const ir_entity *ent) {
489 return _is_entity_compiler_generated(ent);
490 } /* is_entity_compiler_generated */
492 /* Sets/resets the compiler generated flag */
493 void (set_entity_compiler_generated)(ir_entity *ent, int flag) {
494 _set_entity_compiler_generated(ent, flag);
495 } /* set_entity_compiler_generated */
497 ir_entity_usage (get_entity_usage)(const ir_entity *ent) {
498 return _get_entity_usage(ent);
501 void (set_entity_usage)(ir_entity *ent, ir_entity_usage flags) {
502 _set_entity_usage(ent, flags);
505 /* Set has no effect for existent entities of type method. */
506 ir_node *get_atomic_ent_value(ir_entity *entity)
508 ir_initializer_t *initializer = get_entity_initializer(entity);
510 assert(entity && is_atomic_entity(entity));
511 if (initializer == NULL) {
512 ir_type *type = get_entity_type(entity);
513 return new_r_Unknown(get_const_code_irg(), get_type_mode(type));
516 switch (get_initializer_kind(initializer)) {
517 case IR_INITIALIZER_NULL: {
518 ir_type *type = get_entity_type(entity);
519 ir_mode *mode = get_type_mode(type);
520 return new_r_Const(get_const_code_irg(), get_mode_null(mode));
522 case IR_INITIALIZER_TARVAL: {
523 tarval *tv = get_initializer_tarval_value(initializer);
524 return new_r_Const(get_const_code_irg(), tv);
526 case IR_INITIALIZER_CONST:
527 return get_initializer_const_value(initializer);
528 case IR_INITIALIZER_COMPOUND:
529 panic("compound initializer in atomic entity not allowed (%+F)", entity);
532 panic("invalid initializer kind in get_atomic_ent_value(%+F)", entity);
535 void set_atomic_ent_value(ir_entity *entity, ir_node *val)
537 ir_initializer_t *initializer;
539 assert(is_atomic_entity(entity));
540 assert(get_entity_peculiarity(entity) != peculiarity_description);
542 assert(is_Dummy(val) || get_irn_mode(val) == get_type_mode(entity->type));
543 initializer = create_initializer_const(val);
544 entity->initializer = initializer;
547 /* Returns true if the the node is representable as code on
549 int is_irn_const_expression(ir_node *n) {
552 /* we are in danger iff an exception will arise. TODO: be more precisely,
553 * for instance Div. will NOT rise if divisor != 0
555 if (is_binop(n) && !is_fragile_op(n))
556 return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
559 switch (get_irn_opcode(n)) {
566 return is_irn_const_expression(get_irn_n(n, 0));
571 } /* is_irn_const_expression */
574 * Copies a firm subgraph that complies to the restrictions for
575 * constant expressions to current_block in current_ir_graph.
577 ir_node *copy_const_value(dbg_info *dbg, ir_node *n) {
581 /* @@@ GL I think we should implement this using the routines from irgopt for
582 dead node elimination/inlineing. */
585 switch (get_irn_opcode(n)) {
587 nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
590 nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
591 get_SymConst_value_type(n));
594 nn = new_d_Add(dbg, copy_const_value(dbg, get_Add_left(n)),
595 copy_const_value(dbg, get_Add_right(n)), m); break;
597 nn = new_d_Sub(dbg, copy_const_value(dbg, get_Sub_left(n)),
598 copy_const_value(dbg, get_Sub_right(n)), m); break;
600 nn = new_d_Mul(dbg, copy_const_value(dbg, get_Mul_left(n)),
601 copy_const_value(dbg, get_Mul_right(n)), m); break;
603 nn = new_d_And(dbg, copy_const_value(dbg, get_And_left(n)),
604 copy_const_value(dbg, get_And_right(n)), m); break;
606 nn = new_d_Or(dbg, copy_const_value(dbg, get_Or_left(n)),
607 copy_const_value(dbg, get_Or_right(n)), m); break;
609 nn = new_d_Eor(dbg, copy_const_value(dbg, get_Eor_left(n)),
610 copy_const_value(dbg, get_Eor_right(n)), m); break;
612 nn = new_d_Cast(dbg, copy_const_value(dbg, get_Cast_op(n)), get_Cast_type(n)); break;
614 nn = new_d_Conv(dbg, copy_const_value(dbg, get_Conv_op(n)), m); break;
616 nn = new_Unknown(m); break;
618 assert(0 && "opcode invalid or not implemented");
623 } /* copy_const_value */
625 /** Return the name of the initializer kind. */
626 const char *get_initializer_kind_name(ir_initializer_kind_t ini)
628 #define X(a) case a: return #a
630 X(IR_INITIALIZER_CONST);
631 X(IR_INITIALIZER_TARVAL);
632 X(IR_INITIALIZER_NULL);
633 X(IR_INITIALIZER_COMPOUND);
634 default: return "BAD VALUE";
639 static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL };
641 ir_initializer_t *get_initializer_null(void)
643 return &null_initializer;
646 ir_initializer_t *create_initializer_const(ir_node *value)
648 struct obstack *obst = get_irg_obstack(get_const_code_irg());
650 ir_initializer_t *initializer
651 = obstack_alloc(obst, sizeof(ir_initializer_const_t));
652 initializer->kind = IR_INITIALIZER_CONST;
653 initializer->consti.value = value;
658 ir_initializer_t *create_initializer_tarval(tarval *tv)
660 struct obstack *obst = get_irg_obstack(get_const_code_irg());
662 ir_initializer_t *initializer
663 = obstack_alloc(obst, sizeof(ir_initializer_tarval_t));
664 initializer->kind = IR_INITIALIZER_TARVAL;
665 initializer->tarval.value = tv;
670 ir_initializer_t *create_initializer_compound(unsigned n_entries)
672 struct obstack *obst = get_irg_obstack(get_const_code_irg());
675 size_t size = sizeof(ir_initializer_compound_t)
676 + (n_entries-1) * sizeof(ir_initializer_t*);
678 ir_initializer_t *initializer = obstack_alloc(obst, size);
679 initializer->kind = IR_INITIALIZER_COMPOUND;
680 initializer->compound.n_initializers = n_entries;
682 for(i = 0; i < n_entries; ++i) {
683 initializer->compound.initializers[i] = get_initializer_null();
689 ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
691 assert(initializer->kind == IR_INITIALIZER_CONST);
692 return skip_Id(initializer->consti.value);
695 tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
697 assert(initializer->kind == IR_INITIALIZER_TARVAL);
698 return initializer->tarval.value;
701 unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer)
703 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
704 return initializer->compound.n_initializers;
707 void set_initializer_compound_value(ir_initializer_t *initializer,
708 unsigned index, ir_initializer_t *value)
710 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
711 assert(index < initializer->compound.n_initializers);
713 initializer->compound.initializers[index] = value;
716 ir_initializer_t *get_initializer_compound_value(
717 const ir_initializer_t *initializer, unsigned index)
719 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
720 assert(index < initializer->compound.n_initializers);
722 return initializer->compound.initializers[index];
725 ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer)
727 return initializer->kind;
730 static void check_entity_initializer(ir_entity *entity)
733 ir_initializer_t *initializer = entity->initializer;
734 switch (initializer->kind) {
735 case IR_INITIALIZER_COMPOUND:
736 assert(is_compound_entity(entity));
738 case IR_INITIALIZER_CONST:
739 case IR_INITIALIZER_TARVAL:
740 assert(is_atomic_entity(entity));
742 case IR_INITIALIZER_NULL:
748 void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer)
750 entity->initializer = initializer;
751 check_entity_initializer(entity);
754 int has_entity_initializer(const ir_entity *entity)
756 return entity->initializer != NULL;
759 ir_initializer_t *get_entity_initializer(const ir_entity *entity)
761 return entity->initializer;
764 int (get_entity_offset)(const ir_entity *ent)
766 return _get_entity_offset(ent);
769 void (set_entity_offset)(ir_entity *ent, int offset)
771 _set_entity_offset(ent, offset);
774 unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent)
776 return _get_entity_offset_bits_remainder(ent);
779 void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset)
781 _set_entity_offset_bits_remainder(ent, offset);
784 void add_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
787 ir_type *owner = get_entity_owner(ent);
788 ir_type *ovw_ovner = get_entity_owner(overwritten);
789 assert(is_Class_type(owner));
790 assert(is_Class_type(ovw_ovner));
791 assert(! is_class_final(ovw_ovner));
793 ARR_APP1(ir_entity *, ent->overwrites, overwritten);
794 ARR_APP1(ir_entity *, overwritten->overwrittenby, ent);
797 int get_entity_n_overwrites(const ir_entity *ent)
799 assert(is_Class_type(get_entity_owner(ent)));
800 return (ARR_LEN(ent->overwrites));
803 int get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten)
806 assert(is_Class_type(get_entity_owner(ent)));
807 n = get_entity_n_overwrites(ent);
808 for (i = 0; i < n; ++i) {
809 if (get_entity_overwrites(ent, i) == overwritten)
815 ir_entity *get_entity_overwrites(const ir_entity *ent, int pos)
817 assert(is_Class_type(get_entity_owner(ent)));
818 assert(pos < get_entity_n_overwrites(ent));
819 return ent->overwrites[pos];
822 void set_entity_overwrites(ir_entity *ent, int pos, ir_entity *overwritten)
824 assert(is_Class_type(get_entity_owner(ent)));
825 assert(pos < get_entity_n_overwrites(ent));
826 ent->overwrites[pos] = overwritten;
829 void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
832 assert(is_Class_type(get_entity_owner(ent)));
833 n = ARR_LEN(ent->overwrites);
834 for (i = 0; i < n; ++i) {
835 if (ent->overwrites[i] == overwritten) {
836 for (; i < n - 1; i++)
837 ent->overwrites[i] = ent->overwrites[i+1];
838 ARR_SETLEN(ir_entity*, ent->overwrites, n - 1);
844 void add_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
846 add_entity_overwrites(overwrites, ent);
849 int get_entity_n_overwrittenby(const ir_entity *ent)
851 assert(is_Class_type(get_entity_owner(ent)));
852 return ARR_LEN(ent->overwrittenby);
855 int get_entity_overwrittenby_index(const ir_entity *ent, ir_entity *overwrites)
858 assert(is_Class_type(get_entity_owner(ent)));
859 n = get_entity_n_overwrittenby(ent);
860 for (i = 0; i < n; ++i) {
861 if (get_entity_overwrittenby(ent, i) == overwrites)
867 ir_entity *get_entity_overwrittenby(const ir_entity *ent, int pos)
869 assert(is_Class_type(get_entity_owner(ent)));
870 assert(pos < get_entity_n_overwrittenby(ent));
871 return ent->overwrittenby[pos];
874 void set_entity_overwrittenby(ir_entity *ent, int pos, ir_entity *overwrites)
876 assert(is_Class_type(get_entity_owner(ent)));
877 assert(pos < get_entity_n_overwrittenby(ent));
878 ent->overwrittenby[pos] = overwrites;
881 void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
884 assert(is_Class_type(get_entity_owner(ent)));
886 n = ARR_LEN(ent->overwrittenby);
887 for (i = 0; i < n; ++i) {
888 if (ent->overwrittenby[i] == overwrites) {
889 for(; i < n - 1; ++i)
890 ent->overwrittenby[i] = ent->overwrittenby[i+1];
891 ARR_SETLEN(ir_entity*, ent->overwrittenby, n - 1);
897 void *(get_entity_link)(const ir_entity *ent)
899 return _get_entity_link(ent);
902 void (set_entity_link)(ir_entity *ent, void *l)
904 _set_entity_link(ent, l);
907 ir_graph *(get_entity_irg)(const ir_entity *ent)
909 return _get_entity_irg(ent);
912 void set_entity_irg(ir_entity *ent, ir_graph *irg)
914 assert(is_method_entity(ent));
915 assert(get_entity_peculiarity(ent) == peculiarity_existent);
916 ent->attr.mtd_attr.irg = irg;
919 unsigned get_entity_vtable_number(const ir_entity *ent)
921 assert(is_method_entity((ir_entity *)ent));
922 return ent->attr.mtd_attr.vtable_number;
925 void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number)
927 assert(is_method_entity(ent));
928 ent->attr.mtd_attr.vtable_number = vtable_number;
931 int (is_entity)(const void *thing)
933 return _is_entity(thing);
936 int is_atomic_entity(const ir_entity *ent)
938 ir_type *t = get_entity_type(ent);
939 const tp_op *op = get_type_tpop(t);
940 return (op == type_primitive || op == type_pointer ||
941 op == type_enumeration || op == type_method);
944 int is_compound_entity(const ir_entity *ent)
946 ir_type *t = get_entity_type(ent);
947 const tp_op *op = get_type_tpop(t);
948 return (op == type_class || op == type_struct ||
949 op == type_array || op == type_union);
952 int is_method_entity(const ir_entity *ent)
954 ir_type *t = get_entity_type(ent);
955 return is_Method_type(t);
958 ir_visited_t (get_entity_visited)(const ir_entity *ent)
960 return _get_entity_visited(ent);
963 void (set_entity_visited)(ir_entity *ent, ir_visited_t num)
965 _set_entity_visited(ent, num);
968 void (mark_entity_visited)(ir_entity *ent)
970 _mark_entity_visited(ent);
973 int (entity_visited)(const ir_entity *ent)
975 return _entity_visited(ent);
978 int (entity_not_visited)(const ir_entity *ent)
980 return _entity_not_visited(ent);
983 unsigned get_entity_additional_properties(const ir_entity *ent)
987 assert(is_method_entity(ent));
989 /* first check, if the graph has additional properties */
990 irg = get_entity_irg(ent);
993 return get_irg_additional_properties(irg);
995 if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
996 return get_method_additional_properties(get_entity_type(ent));
998 return ent->attr.mtd_attr.irg_add_properties;
1001 void set_entity_additional_properties(ir_entity *ent, unsigned property_mask)
1005 assert(is_method_entity(ent));
1007 /* first check, if the graph exists */
1008 irg = get_entity_irg(ent);
1010 set_irg_additional_properties(irg, property_mask);
1012 /* do not allow to set the mtp_property_inherited flag or
1013 * the automatic inheritance of flags will not work */
1014 ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
1018 void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag)
1022 assert(is_method_entity(ent));
1024 /* first check, if the graph exists */
1025 irg = get_entity_irg(ent);
1027 set_irg_additional_property(irg, flag);
1029 unsigned mask = ent->attr.mtd_attr.irg_add_properties;
1031 if (mask & mtp_property_inherited)
1032 mask = get_method_additional_properties(get_entity_type(ent));
1034 /* do not allow to set the mtp_property_inherited flag or
1035 * the automatic inheritance of flags will not work */
1036 ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
1040 /* Returns the class type that this type info entity represents or NULL
1041 if ent is no type info entity. */
1042 ir_type *(get_entity_repr_class)(const ir_entity *ent)
1044 return _get_entity_repr_class(ent);
1047 dbg_info *(get_entity_dbg_info)(const ir_entity *ent)
1049 return _get_entity_dbg_info(ent);
1052 void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db)
1054 _set_entity_dbg_info(ent, db);
1057 int entity_is_externally_visible(const ir_entity *entity)
1059 return get_entity_visibility(entity) != ir_visibility_local
1060 || (get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER);
1063 int entity_has_definition(const ir_entity *entity)
1065 return entity->initializer != NULL
1066 || get_entity_irg(entity) != NULL
1067 || entity_has_compound_ent_values(entity);
1070 void firm_init_entity(void)
1072 symconst_symbol sym;
1074 assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
1075 assert(!unknown_entity && "Call firm_init_entity() only once!");
1077 unknown_entity = new_rd_entity(NULL, firm_unknown_type, new_id_from_str(UNKNOWN_ENTITY_NAME), firm_unknown_type);
1078 set_entity_visibility(unknown_entity, ir_visibility_external);
1080 set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
1082 current_ir_graph = get_const_code_irg();
1083 sym.entity_p = unknown_entity;
1086 ir_allocation get_entity_allocation(const ir_entity *entity)
1088 return entity->allocation;
1091 void set_entity_allocation(ir_entity *entity, ir_allocation allocation)
1093 entity->allocation = allocation;
1096 ir_peculiarity get_entity_peculiarity(const ir_entity *entity)
1098 return entity->peculiarity;
1101 void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity)
1103 entity->peculiarity = peculiarity;
1106 void set_entity_final(ir_entity *entity, int final)
1108 entity->final = final;
1111 int is_entity_final(const ir_entity *entity)
1113 return entity->final;