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 void set_entity_linkage(ir_entity *entity, ir_linkage linkage)
458 entity->linkage = linkage;
461 ir_linkage (get_entity_linkage)(const ir_entity *entity)
463 return get_entity_linkage(entity);
466 void add_entity_linkage(ir_entity *entity, ir_linkage linkage)
468 entity->linkage |= linkage;
471 void remove_entity_linkage(ir_entity *entity, ir_linkage linkage)
473 entity->linkage &= ~linkage;
476 /* Checks if an entity is compiler generated */
477 int (is_entity_compiler_generated)(const ir_entity *ent) {
478 return _is_entity_compiler_generated(ent);
479 } /* is_entity_compiler_generated */
481 /* Sets/resets the compiler generated flag */
482 void (set_entity_compiler_generated)(ir_entity *ent, int flag) {
483 _set_entity_compiler_generated(ent, flag);
484 } /* set_entity_compiler_generated */
486 ir_entity_usage (get_entity_usage)(const ir_entity *ent) {
487 return _get_entity_usage(ent);
490 void (set_entity_usage)(ir_entity *ent, ir_entity_usage flags) {
491 _set_entity_usage(ent, flags);
494 /* Set has no effect for existent entities of type method. */
495 ir_node *get_atomic_ent_value(ir_entity *entity)
497 ir_initializer_t *initializer = get_entity_initializer(entity);
499 assert(entity && is_atomic_entity(entity));
500 if (initializer == NULL) {
501 ir_type *type = get_entity_type(entity);
502 return new_r_Unknown(get_const_code_irg(), get_type_mode(type));
505 switch (get_initializer_kind(initializer)) {
506 case IR_INITIALIZER_NULL: {
507 ir_type *type = get_entity_type(entity);
508 ir_mode *mode = get_type_mode(type);
509 return new_r_Const(get_const_code_irg(), get_mode_null(mode));
511 case IR_INITIALIZER_TARVAL: {
512 tarval *tv = get_initializer_tarval_value(initializer);
513 return new_r_Const(get_const_code_irg(), tv);
515 case IR_INITIALIZER_CONST:
516 return get_initializer_const_value(initializer);
517 case IR_INITIALIZER_COMPOUND:
518 panic("compound initializer in atomic entity not allowed (%+F)", entity);
521 panic("invalid initializer kind in get_atomic_ent_value(%+F)", entity);
524 void set_atomic_ent_value(ir_entity *entity, ir_node *val)
526 ir_initializer_t *initializer;
528 assert(is_atomic_entity(entity));
529 assert(get_entity_peculiarity(entity) != peculiarity_description);
531 assert(is_Dummy(val) || get_irn_mode(val) == get_type_mode(entity->type));
532 initializer = create_initializer_const(val);
533 entity->initializer = initializer;
536 /* Returns true if the the node is representable as code on
538 int is_irn_const_expression(ir_node *n) {
541 /* we are in danger iff an exception will arise. TODO: be more precisely,
542 * for instance Div. will NOT rise if divisor != 0
544 if (is_binop(n) && !is_fragile_op(n))
545 return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
548 switch (get_irn_opcode(n)) {
555 return is_irn_const_expression(get_irn_n(n, 0));
560 } /* is_irn_const_expression */
563 * Copies a firm subgraph that complies to the restrictions for
564 * constant expressions to current_block in current_ir_graph.
566 ir_node *copy_const_value(dbg_info *dbg, ir_node *n) {
570 /* @@@ GL I think we should implement this using the routines from irgopt for
571 dead node elimination/inlineing. */
574 switch (get_irn_opcode(n)) {
576 nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
579 nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
580 get_SymConst_value_type(n));
583 nn = new_d_Add(dbg, copy_const_value(dbg, get_Add_left(n)),
584 copy_const_value(dbg, get_Add_right(n)), m); break;
586 nn = new_d_Sub(dbg, copy_const_value(dbg, get_Sub_left(n)),
587 copy_const_value(dbg, get_Sub_right(n)), m); break;
589 nn = new_d_Mul(dbg, copy_const_value(dbg, get_Mul_left(n)),
590 copy_const_value(dbg, get_Mul_right(n)), m); break;
592 nn = new_d_And(dbg, copy_const_value(dbg, get_And_left(n)),
593 copy_const_value(dbg, get_And_right(n)), m); break;
595 nn = new_d_Or(dbg, copy_const_value(dbg, get_Or_left(n)),
596 copy_const_value(dbg, get_Or_right(n)), m); break;
598 nn = new_d_Eor(dbg, copy_const_value(dbg, get_Eor_left(n)),
599 copy_const_value(dbg, get_Eor_right(n)), m); break;
601 nn = new_d_Cast(dbg, copy_const_value(dbg, get_Cast_op(n)), get_Cast_type(n)); break;
603 nn = new_d_Conv(dbg, copy_const_value(dbg, get_Conv_op(n)), m); break;
605 nn = new_Unknown(m); break;
607 assert(0 && "opcode invalid or not implemented");
612 } /* copy_const_value */
614 /** Return the name of the initializer kind. */
615 const char *get_initializer_kind_name(ir_initializer_kind_t ini)
617 #define X(a) case a: return #a
619 X(IR_INITIALIZER_CONST);
620 X(IR_INITIALIZER_TARVAL);
621 X(IR_INITIALIZER_NULL);
622 X(IR_INITIALIZER_COMPOUND);
623 default: return "BAD VALUE";
628 static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL };
630 ir_initializer_t *get_initializer_null(void)
632 return &null_initializer;
635 ir_initializer_t *create_initializer_const(ir_node *value)
637 struct obstack *obst = get_irg_obstack(get_const_code_irg());
639 ir_initializer_t *initializer
640 = obstack_alloc(obst, sizeof(ir_initializer_const_t));
641 initializer->kind = IR_INITIALIZER_CONST;
642 initializer->consti.value = value;
647 ir_initializer_t *create_initializer_tarval(tarval *tv)
649 struct obstack *obst = get_irg_obstack(get_const_code_irg());
651 ir_initializer_t *initializer
652 = obstack_alloc(obst, sizeof(ir_initializer_tarval_t));
653 initializer->kind = IR_INITIALIZER_TARVAL;
654 initializer->tarval.value = tv;
659 ir_initializer_t *create_initializer_compound(unsigned n_entries)
661 struct obstack *obst = get_irg_obstack(get_const_code_irg());
664 size_t size = sizeof(ir_initializer_compound_t)
665 + (n_entries-1) * sizeof(ir_initializer_t*);
667 ir_initializer_t *initializer = obstack_alloc(obst, size);
668 initializer->kind = IR_INITIALIZER_COMPOUND;
669 initializer->compound.n_initializers = n_entries;
671 for(i = 0; i < n_entries; ++i) {
672 initializer->compound.initializers[i] = get_initializer_null();
678 ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
680 assert(initializer->kind == IR_INITIALIZER_CONST);
681 return skip_Id(initializer->consti.value);
684 tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
686 assert(initializer->kind == IR_INITIALIZER_TARVAL);
687 return initializer->tarval.value;
690 unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer)
692 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
693 return initializer->compound.n_initializers;
696 void set_initializer_compound_value(ir_initializer_t *initializer,
697 unsigned index, ir_initializer_t *value)
699 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
700 assert(index < initializer->compound.n_initializers);
702 initializer->compound.initializers[index] = value;
705 ir_initializer_t *get_initializer_compound_value(
706 const ir_initializer_t *initializer, unsigned index)
708 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
709 assert(index < initializer->compound.n_initializers);
711 return initializer->compound.initializers[index];
714 ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer)
716 return initializer->kind;
719 static void check_entity_initializer(ir_entity *entity)
722 ir_initializer_t *initializer = entity->initializer;
723 switch (initializer->kind) {
724 case IR_INITIALIZER_COMPOUND:
725 assert(is_compound_entity(entity));
727 case IR_INITIALIZER_CONST:
728 case IR_INITIALIZER_TARVAL:
729 assert(is_atomic_entity(entity));
731 case IR_INITIALIZER_NULL:
737 void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer)
739 entity->initializer = initializer;
740 check_entity_initializer(entity);
743 int has_entity_initializer(const ir_entity *entity)
745 return entity->initializer != NULL;
748 ir_initializer_t *get_entity_initializer(const ir_entity *entity)
750 return entity->initializer;
753 int (get_entity_offset)(const ir_entity *ent)
755 return _get_entity_offset(ent);
758 void (set_entity_offset)(ir_entity *ent, int offset)
760 _set_entity_offset(ent, offset);
763 unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent)
765 return _get_entity_offset_bits_remainder(ent);
768 void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset)
770 _set_entity_offset_bits_remainder(ent, offset);
773 void add_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
776 ir_type *owner = get_entity_owner(ent);
777 ir_type *ovw_ovner = get_entity_owner(overwritten);
778 assert(is_Class_type(owner));
779 assert(is_Class_type(ovw_ovner));
780 assert(! is_class_final(ovw_ovner));
782 ARR_APP1(ir_entity *, ent->overwrites, overwritten);
783 ARR_APP1(ir_entity *, overwritten->overwrittenby, ent);
786 int get_entity_n_overwrites(const ir_entity *ent)
788 assert(is_Class_type(get_entity_owner(ent)));
789 return (ARR_LEN(ent->overwrites));
792 int get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten)
795 assert(is_Class_type(get_entity_owner(ent)));
796 n = get_entity_n_overwrites(ent);
797 for (i = 0; i < n; ++i) {
798 if (get_entity_overwrites(ent, i) == overwritten)
804 ir_entity *get_entity_overwrites(const ir_entity *ent, int pos)
806 assert(is_Class_type(get_entity_owner(ent)));
807 assert(pos < get_entity_n_overwrites(ent));
808 return ent->overwrites[pos];
811 void set_entity_overwrites(ir_entity *ent, int pos, ir_entity *overwritten)
813 assert(is_Class_type(get_entity_owner(ent)));
814 assert(pos < get_entity_n_overwrites(ent));
815 ent->overwrites[pos] = overwritten;
818 void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
821 assert(is_Class_type(get_entity_owner(ent)));
822 n = ARR_LEN(ent->overwrites);
823 for (i = 0; i < n; ++i) {
824 if (ent->overwrites[i] == overwritten) {
825 for (; i < n - 1; i++)
826 ent->overwrites[i] = ent->overwrites[i+1];
827 ARR_SETLEN(ir_entity*, ent->overwrites, n - 1);
833 void add_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
835 add_entity_overwrites(overwrites, ent);
838 int get_entity_n_overwrittenby(const ir_entity *ent)
840 assert(is_Class_type(get_entity_owner(ent)));
841 return ARR_LEN(ent->overwrittenby);
844 int get_entity_overwrittenby_index(const ir_entity *ent, ir_entity *overwrites)
847 assert(is_Class_type(get_entity_owner(ent)));
848 n = get_entity_n_overwrittenby(ent);
849 for (i = 0; i < n; ++i) {
850 if (get_entity_overwrittenby(ent, i) == overwrites)
856 ir_entity *get_entity_overwrittenby(const ir_entity *ent, int pos)
858 assert(is_Class_type(get_entity_owner(ent)));
859 assert(pos < get_entity_n_overwrittenby(ent));
860 return ent->overwrittenby[pos];
863 void set_entity_overwrittenby(ir_entity *ent, int pos, ir_entity *overwrites)
865 assert(is_Class_type(get_entity_owner(ent)));
866 assert(pos < get_entity_n_overwrittenby(ent));
867 ent->overwrittenby[pos] = overwrites;
870 void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
873 assert(is_Class_type(get_entity_owner(ent)));
875 n = ARR_LEN(ent->overwrittenby);
876 for (i = 0; i < n; ++i) {
877 if (ent->overwrittenby[i] == overwrites) {
878 for(; i < n - 1; ++i)
879 ent->overwrittenby[i] = ent->overwrittenby[i+1];
880 ARR_SETLEN(ir_entity*, ent->overwrittenby, n - 1);
886 void *(get_entity_link)(const ir_entity *ent)
888 return _get_entity_link(ent);
891 void (set_entity_link)(ir_entity *ent, void *l)
893 _set_entity_link(ent, l);
896 ir_graph *(get_entity_irg)(const ir_entity *ent)
898 return _get_entity_irg(ent);
901 void set_entity_irg(ir_entity *ent, ir_graph *irg)
903 assert(is_method_entity(ent));
904 assert(get_entity_peculiarity(ent) == peculiarity_existent);
905 ent->attr.mtd_attr.irg = irg;
908 unsigned get_entity_vtable_number(const ir_entity *ent)
910 assert(is_method_entity((ir_entity *)ent));
911 return ent->attr.mtd_attr.vtable_number;
914 void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number)
916 assert(is_method_entity(ent));
917 ent->attr.mtd_attr.vtable_number = vtable_number;
920 int (is_entity)(const void *thing)
922 return _is_entity(thing);
925 int is_atomic_entity(const ir_entity *ent)
927 ir_type *t = get_entity_type(ent);
928 const tp_op *op = get_type_tpop(t);
929 return (op == type_primitive || op == type_pointer ||
930 op == type_enumeration || op == type_method);
933 int is_compound_entity(const ir_entity *ent)
935 ir_type *t = get_entity_type(ent);
936 const tp_op *op = get_type_tpop(t);
937 return (op == type_class || op == type_struct ||
938 op == type_array || op == type_union);
941 int is_method_entity(const ir_entity *ent)
943 ir_type *t = get_entity_type(ent);
944 return is_Method_type(t);
947 ir_visited_t (get_entity_visited)(const ir_entity *ent)
949 return _get_entity_visited(ent);
952 void (set_entity_visited)(ir_entity *ent, ir_visited_t num)
954 _set_entity_visited(ent, num);
957 void (mark_entity_visited)(ir_entity *ent)
959 _mark_entity_visited(ent);
962 int (entity_visited)(const ir_entity *ent)
964 return _entity_visited(ent);
967 int (entity_not_visited)(const ir_entity *ent)
969 return _entity_not_visited(ent);
972 unsigned get_entity_additional_properties(const ir_entity *ent)
976 assert(is_method_entity(ent));
978 /* first check, if the graph has additional properties */
979 irg = get_entity_irg(ent);
982 return get_irg_additional_properties(irg);
984 if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
985 return get_method_additional_properties(get_entity_type(ent));
987 return ent->attr.mtd_attr.irg_add_properties;
990 void set_entity_additional_properties(ir_entity *ent, unsigned property_mask)
994 assert(is_method_entity(ent));
996 /* first check, if the graph exists */
997 irg = get_entity_irg(ent);
999 set_irg_additional_properties(irg, property_mask);
1001 /* do not allow to set the mtp_property_inherited flag or
1002 * the automatic inheritance of flags will not work */
1003 ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
1007 void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag)
1011 assert(is_method_entity(ent));
1013 /* first check, if the graph exists */
1014 irg = get_entity_irg(ent);
1016 set_irg_additional_property(irg, flag);
1018 unsigned mask = ent->attr.mtd_attr.irg_add_properties;
1020 if (mask & mtp_property_inherited)
1021 mask = get_method_additional_properties(get_entity_type(ent));
1023 /* do not allow to set the mtp_property_inherited flag or
1024 * the automatic inheritance of flags will not work */
1025 ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
1029 /* Returns the class type that this type info entity represents or NULL
1030 if ent is no type info entity. */
1031 ir_type *(get_entity_repr_class)(const ir_entity *ent)
1033 return _get_entity_repr_class(ent);
1036 dbg_info *(get_entity_dbg_info)(const ir_entity *ent)
1038 return _get_entity_dbg_info(ent);
1041 void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db)
1043 _set_entity_dbg_info(ent, db);
1046 int entity_is_externally_visible(const ir_entity *entity)
1048 return get_entity_visibility(entity) != ir_visibility_local
1049 || (get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER);
1052 int entity_has_definition(const ir_entity *entity)
1054 return entity->initializer != NULL
1055 || get_entity_irg(entity) != NULL
1056 || entity_has_compound_ent_values(entity);
1059 void firm_init_entity(void)
1061 symconst_symbol sym;
1063 assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
1064 assert(!unknown_entity && "Call firm_init_entity() only once!");
1066 unknown_entity = new_rd_entity(NULL, firm_unknown_type, new_id_from_str(UNKNOWN_ENTITY_NAME), firm_unknown_type);
1067 set_entity_visibility(unknown_entity, ir_visibility_external);
1069 set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
1071 current_ir_graph = get_const_code_irg();
1072 sym.entity_p = unknown_entity;
1075 ir_allocation get_entity_allocation(const ir_entity *entity)
1077 return entity->allocation;
1080 void set_entity_allocation(ir_entity *entity, ir_allocation allocation)
1082 entity->allocation = allocation;
1085 ir_peculiarity get_entity_peculiarity(const ir_entity *entity)
1087 return entity->peculiarity;
1090 void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity)
1092 entity->peculiarity = peculiarity;
1095 void set_entity_final(ir_entity *entity, int final)
1097 entity->final = final;
1100 int is_entity_final(const ir_entity *entity)
1102 return entity->final;