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)
68 ir_type *owner = ent->owner;
69 switch (get_type_tpop_code(owner)) {
71 add_class_member(owner, ent);
74 add_struct_member(owner, ent);
77 add_union_member(owner, ent);
80 set_array_element_entity(owner, ent);
83 panic("Unsupported type kind");
85 } /* insert_entity_in_owner */
88 * Creates a new entity. This entity is NOT inserted in the owner type.
90 * @param db debug info for this entity
91 * @param owner the owner type of the new entity
92 * @param name the name of the new entity
93 * @param type the type of the new entity
95 * @return the new created entity
97 static inline ir_entity *new_rd_entity(dbg_info *db, ir_type *owner,
98 ident *name, ir_type *type)
103 assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
105 res = XMALLOCZ(ir_entity);
107 res->kind = k_entity;
113 res->volatility = volatility_non_volatile;
114 res->aligned = align_is_aligned;
115 res->usage = ir_usage_unknown;
116 res->compiler_gen = 0;
117 res->visibility = ir_visibility_default;
119 res->offset_bit_remainder = 0;
122 res->repr_class = NULL;
124 if (is_Method_type(type)) {
126 ir_mode *mode = is_Method_type(type) ? mode_P_code : mode_P_data;
128 rem = current_ir_graph;
129 current_ir_graph = get_const_code_irg();
130 set_atomic_ent_value(res, new_SymConst(mode, sym, symconst_addr_ent));
131 current_ir_graph = rem;
132 res->linkage = IR_LINKAGE_CONSTANT;
133 res->attr.mtd_attr.irg_add_properties = mtp_property_inherited;
134 res->attr.mtd_attr.vtable_number = VTABLE_NUM_NOT_SET;
135 res->attr.mtd_attr.param_access = NULL;
136 res->attr.mtd_attr.param_weight = NULL;
137 res->attr.mtd_attr.irg = NULL;
138 } else if (is_compound_type(type)) {
139 res->attr.cmpd_attr.values = NULL;
140 res->attr.cmpd_attr.val_paths = NULL;
141 } else if (is_code_type(type)) {
142 res->attr.code_attr.label = (ir_label_t) -1;
146 res->nr = get_irp_new_node_nr();
147 #endif /* DEBUG_libfirm */
150 set_entity_dbg_info(res, db);
153 } /* new_rd_entity */
155 ir_entity *new_d_entity(ir_type *owner, ident *name, ir_type *type, dbg_info *db)
159 assert(is_compound_type(owner));
160 res = new_rd_entity(db, owner, name, type);
161 /* Remember entity in it's owner. */
162 insert_entity_in_owner(res);
164 hook_new_entity(res);
168 ir_entity *new_entity(ir_type *owner, ident *name, ir_type *type)
170 return new_d_entity(owner, name, type, NULL);
174 * Free entity attributes.
176 * @param ent the entity
178 static void free_entity_attrs(ir_entity *ent)
181 if (ent->overwrites != NULL) {
182 DEL_ARR_F(ent->overwrites);
183 ent->overwrites = NULL;
185 if (ent->overwrittenby != NULL) {
186 DEL_ARR_F(ent->overwrittenby);
187 ent->overwrittenby = NULL;
190 if (ent->initializer != NULL) {
191 /* TODO: free initializers */
192 } else if (entity_has_compound_ent_values(ent)) {
193 if (ent->attr.cmpd_attr.val_paths) {
194 for (i = get_compound_ent_n_values(ent) - 1; i >= 0; --i)
195 if (ent->attr.cmpd_attr.val_paths[i]) {
196 /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */
197 /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */
198 /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */
200 ent->attr.cmpd_attr.val_paths = NULL;
203 if (is_compound_entity(ent)) {
204 if (ent->attr.cmpd_attr.values) {
205 /*DEL_ARR_F(ent->attr.cmpd_attr.values)*/;
207 ent->attr.cmpd_attr.values = NULL;
208 } else if (is_method_entity(ent)) {
209 if (ent->attr.mtd_attr.param_access) {
210 DEL_ARR_F(ent->attr.mtd_attr.param_access);
211 ent->attr.mtd_attr.param_access = NULL;
213 if (ent->attr.mtd_attr.param_weight) {
214 DEL_ARR_F(ent->attr.mtd_attr.param_weight);
215 ent->attr.mtd_attr.param_weight = NULL;
218 } /* free_entity_attrs */
221 * Creates a deep copy of an entity.
223 static ir_entity *deep_entity_copy(ir_entity *old)
225 ir_entity *newe = XMALLOC(ir_entity);
228 if (old->initializer != NULL) {
229 /* FIXME: the initializers are NOT copied */
230 } else if (entity_has_compound_ent_values(old)) {
231 newe->attr.cmpd_attr.values = NULL;
232 newe->attr.cmpd_attr.val_paths = NULL;
233 if (old->attr.cmpd_attr.values)
234 newe->attr.cmpd_attr.values = DUP_ARR_F(ir_node *, old->attr.cmpd_attr.values);
236 /* FIXME: the compound graph paths are NOT copied */
237 if (old->attr.cmpd_attr.val_paths)
238 newe->attr.cmpd_attr.val_paths = DUP_ARR_F(compound_graph_path *, old->attr.cmpd_attr.val_paths);
239 } else if (is_method_entity(old)) {
240 /* do NOT copy them, reanalyze. This might be the best solution */
241 newe->attr.mtd_attr.param_access = NULL;
242 newe->attr.mtd_attr.param_weight = NULL;
244 newe->overwrites = NULL;
245 newe->overwrittenby = NULL;
248 newe->nr = get_irp_new_node_nr();
253 * Copies the entity if the new_owner is different from the
254 * owner of the old entity, else returns the old entity.
256 ir_entity *copy_entity_own(ir_entity *old, ir_type *new_owner)
259 assert(is_entity(old));
260 assert(is_compound_type(new_owner));
261 assert(get_type_state(new_owner) != layout_fixed);
263 if (old->owner == new_owner)
266 /* create a deep copy so we are safe of aliasing and double-freeing. */
267 newe = deep_entity_copy(old);
268 newe->owner = new_owner;
270 insert_entity_in_owner(newe);
272 } /* copy_entity_own */
274 ir_entity *copy_entity_name(ir_entity *old, ident *new_name)
277 assert(old && old->kind == k_entity);
279 if (old->name == new_name) return old;
280 newe = deep_entity_copy(old);
281 newe->name = new_name;
282 newe->ld_name = NULL;
283 insert_entity_in_owner(newe);
286 } /* copy_entity_name */
288 void free_entity(ir_entity *ent)
290 assert(ent && ent->kind == k_entity);
291 free_entity_attrs(ent);
296 /* Outputs a unique number for this node */
297 long get_entity_nr(const ir_entity *ent)
299 assert(ent && ent->kind == k_entity);
303 return (long)PTR_TO_INT(ent);
305 } /* get_entity_nr */
307 const char *(get_entity_name)(const ir_entity *ent)
309 return _get_entity_name(ent);
312 ident *(get_entity_ident)(const ir_entity *ent)
314 return _get_entity_ident(ent);
317 void (set_entity_ident)(ir_entity *ent, ident *id)
319 _set_entity_ident(ent, id);
322 ir_type *(get_entity_owner)(const ir_entity *ent)
324 return _get_entity_owner(ent);
327 void set_entity_owner(ir_entity *ent, ir_type *owner)
329 assert(is_entity(ent));
330 assert(is_compound_type(owner));
334 ident *(get_entity_ld_ident)(const ir_entity *ent)
336 return _get_entity_ld_ident(ent);
339 void (set_entity_ld_ident)(ir_entity *ent, ident *ld_ident)
341 _set_entity_ld_ident(ent, ld_ident);
344 const char *(get_entity_ld_name)(const ir_entity *ent)
346 return _get_entity_ld_name(ent);
349 ir_type *(get_entity_type)(const ir_entity *ent)
351 return _get_entity_type(ent);
354 void (set_entity_type)(ir_entity *ent, ir_type *type)
356 _set_entity_type(ent, type);
359 ir_volatility (get_entity_volatility)(const ir_entity *ent)
361 return _get_entity_volatility(ent);
364 void (set_entity_volatility)(ir_entity *ent, ir_volatility vol)
366 _set_entity_volatility(ent, vol);
369 /* Return the name of the volatility. */
370 const char *get_volatility_name(ir_volatility var)
372 #define X(a) case a: return #a
374 X(volatility_non_volatile);
375 X(volatility_is_volatile);
376 default: return "BAD VALUE";
379 } /* get_volatility_name */
381 ir_align (get_entity_aligned)(const ir_entity *ent)
383 return _get_entity_aligned(ent);
386 void (set_entity_aligned)(ir_entity *ent, ir_align a)
388 _set_entity_aligned(ent, a);
391 unsigned (get_entity_alignment)(const ir_entity *ent)
393 return _get_entity_alignment(ent);
396 void (set_entity_alignment)(ir_entity *ent, unsigned alignment)
398 _set_entity_alignment(ent, alignment);
401 /* Return the name of the alignment. */
402 const char *get_align_name(ir_align a)
404 #define X(a) case a: return #a
406 X(align_non_aligned);
408 default: return "BAD VALUE";
411 } /* get_align_name */
413 void set_entity_label(ir_entity *ent, ir_label_t label)
415 ent->attr.code_attr.label = label;
418 ir_label_t get_entity_label(const ir_entity *ent)
420 return ent->attr.code_attr.label;
423 static void verify_visibility(const ir_entity *entity)
425 if (get_entity_visibility(entity) == ir_visibility_external
426 && !is_method_entity(entity)) {
427 assert(!entity_has_definition(entity));
431 void set_entity_visibility(ir_entity *entity, ir_visibility visibility)
433 entity->visibility = visibility;
434 verify_visibility(entity);
437 ir_visibility get_entity_visibility(const ir_entity *entity)
439 return entity->visibility;
442 void set_entity_linkage(ir_entity *entity, ir_linkage linkage)
444 entity->linkage = linkage;
447 ir_linkage (get_entity_linkage)(const ir_entity *entity)
449 return get_entity_linkage(entity);
452 void add_entity_linkage(ir_entity *entity, ir_linkage linkage)
454 entity->linkage |= linkage;
457 void remove_entity_linkage(ir_entity *entity, ir_linkage linkage)
459 entity->linkage &= ~linkage;
462 /* Checks if an entity is compiler generated */
463 int (is_entity_compiler_generated)(const ir_entity *ent)
465 return _is_entity_compiler_generated(ent);
466 } /* is_entity_compiler_generated */
468 /* Sets/resets the compiler generated flag */
469 void (set_entity_compiler_generated)(ir_entity *ent, int flag)
471 _set_entity_compiler_generated(ent, flag);
472 } /* set_entity_compiler_generated */
474 ir_entity_usage (get_entity_usage)(const ir_entity *ent)
476 return _get_entity_usage(ent);
479 void (set_entity_usage)(ir_entity *ent, ir_entity_usage flags)
481 _set_entity_usage(ent, flags);
484 /* Set has no effect for existent entities of type method. */
485 ir_node *get_atomic_ent_value(ir_entity *entity)
487 ir_initializer_t *initializer = get_entity_initializer(entity);
489 assert(entity && is_atomic_entity(entity));
490 if (initializer == NULL) {
491 ir_type *type = get_entity_type(entity);
492 return new_r_Unknown(get_const_code_irg(), get_type_mode(type));
495 switch (get_initializer_kind(initializer)) {
496 case IR_INITIALIZER_NULL: {
497 ir_type *type = get_entity_type(entity);
498 ir_mode *mode = get_type_mode(type);
499 return new_r_Const(get_const_code_irg(), get_mode_null(mode));
501 case IR_INITIALIZER_TARVAL: {
502 tarval *tv = get_initializer_tarval_value(initializer);
503 return new_r_Const(get_const_code_irg(), tv);
505 case IR_INITIALIZER_CONST:
506 return get_initializer_const_value(initializer);
507 case IR_INITIALIZER_COMPOUND:
508 panic("compound initializer in atomic entity not allowed (%+F)", entity);
511 panic("invalid initializer kind in get_atomic_ent_value(%+F)", entity);
514 void set_atomic_ent_value(ir_entity *entity, ir_node *val)
516 ir_initializer_t *initializer;
518 assert(is_atomic_entity(entity));
520 assert(is_Dummy(val) || get_irn_mode(val) == get_type_mode(entity->type));
521 initializer = create_initializer_const(val);
522 entity->initializer = initializer;
525 /* Returns true if the the node is representable as code on
527 int is_irn_const_expression(ir_node *n)
531 /* we are in danger iff an exception will arise. TODO: be more precisely,
532 * for instance Div. will NOT rise if divisor != 0
534 if (is_binop(n) && !is_fragile_op(n))
535 return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
538 switch (get_irn_opcode(n)) {
545 return is_irn_const_expression(get_irn_n(n, 0));
550 } /* is_irn_const_expression */
553 * Copies a firm subgraph that complies to the restrictions for
554 * constant expressions to current_block in current_ir_graph.
556 ir_node *copy_const_value(dbg_info *dbg, ir_node *n)
561 /* @@@ GL I think we should implement this using the routines from irgopt for
562 dead node elimination/inlineing. */
565 switch (get_irn_opcode(n)) {
567 nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
570 nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
571 get_SymConst_value_type(n));
574 nn = new_d_Add(dbg, copy_const_value(dbg, get_Add_left(n)),
575 copy_const_value(dbg, get_Add_right(n)), m); break;
577 nn = new_d_Sub(dbg, copy_const_value(dbg, get_Sub_left(n)),
578 copy_const_value(dbg, get_Sub_right(n)), m); break;
580 nn = new_d_Mul(dbg, copy_const_value(dbg, get_Mul_left(n)),
581 copy_const_value(dbg, get_Mul_right(n)), m); break;
583 nn = new_d_And(dbg, copy_const_value(dbg, get_And_left(n)),
584 copy_const_value(dbg, get_And_right(n)), m); break;
586 nn = new_d_Or(dbg, copy_const_value(dbg, get_Or_left(n)),
587 copy_const_value(dbg, get_Or_right(n)), m); break;
589 nn = new_d_Eor(dbg, copy_const_value(dbg, get_Eor_left(n)),
590 copy_const_value(dbg, get_Eor_right(n)), m); break;
592 nn = new_d_Cast(dbg, copy_const_value(dbg, get_Cast_op(n)), get_Cast_type(n)); break;
594 nn = new_d_Conv(dbg, copy_const_value(dbg, get_Conv_op(n)), m); break;
596 nn = new_Unknown(m); break;
598 panic("opcode invalid or not implemented");
601 } /* copy_const_value */
603 /** Return the name of the initializer kind. */
604 const char *get_initializer_kind_name(ir_initializer_kind_t ini)
606 #define X(a) case a: return #a
608 X(IR_INITIALIZER_CONST);
609 X(IR_INITIALIZER_TARVAL);
610 X(IR_INITIALIZER_NULL);
611 X(IR_INITIALIZER_COMPOUND);
612 default: return "BAD VALUE";
617 static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL };
619 ir_initializer_t *get_initializer_null(void)
621 return &null_initializer;
624 ir_initializer_t *create_initializer_const(ir_node *value)
626 struct obstack *obst = get_irg_obstack(get_const_code_irg());
628 ir_initializer_t *initializer
629 = obstack_alloc(obst, sizeof(ir_initializer_const_t));
630 initializer->kind = IR_INITIALIZER_CONST;
631 initializer->consti.value = value;
636 ir_initializer_t *create_initializer_tarval(tarval *tv)
638 struct obstack *obst = get_irg_obstack(get_const_code_irg());
640 ir_initializer_t *initializer
641 = obstack_alloc(obst, sizeof(ir_initializer_tarval_t));
642 initializer->kind = IR_INITIALIZER_TARVAL;
643 initializer->tarval.value = tv;
648 ir_initializer_t *create_initializer_compound(unsigned n_entries)
650 struct obstack *obst = get_irg_obstack(get_const_code_irg());
653 size_t size = sizeof(ir_initializer_compound_t)
654 + (n_entries-1) * sizeof(ir_initializer_t*);
656 ir_initializer_t *initializer = obstack_alloc(obst, size);
657 initializer->kind = IR_INITIALIZER_COMPOUND;
658 initializer->compound.n_initializers = n_entries;
660 for (i = 0; i < n_entries; ++i) {
661 initializer->compound.initializers[i] = get_initializer_null();
667 ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
669 assert(initializer->kind == IR_INITIALIZER_CONST);
670 return skip_Id(initializer->consti.value);
673 tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
675 assert(initializer->kind == IR_INITIALIZER_TARVAL);
676 return initializer->tarval.value;
679 unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer)
681 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
682 return initializer->compound.n_initializers;
685 void set_initializer_compound_value(ir_initializer_t *initializer,
686 unsigned index, ir_initializer_t *value)
688 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
689 assert(index < initializer->compound.n_initializers);
691 initializer->compound.initializers[index] = value;
694 ir_initializer_t *get_initializer_compound_value(
695 const ir_initializer_t *initializer, unsigned index)
697 assert(initializer->kind == IR_INITIALIZER_COMPOUND);
698 assert(index < initializer->compound.n_initializers);
700 return initializer->compound.initializers[index];
703 ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer)
705 return initializer->kind;
708 static void check_entity_initializer(ir_entity *entity)
711 ir_initializer_t *initializer = entity->initializer;
712 ir_type *entity_tp = get_entity_type(entity);
713 switch (initializer->kind) {
714 case IR_INITIALIZER_COMPOUND:
715 assert(is_compound_type(entity_tp));
717 case IR_INITIALIZER_CONST:
718 /* methods are initialized by a SymConst */
719 assert(is_atomic_type(entity_tp) || is_Method_type(entity_tp));
721 case IR_INITIALIZER_TARVAL:
722 assert(is_atomic_type(entity_tp));
724 case IR_INITIALIZER_NULL:
730 void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer)
732 entity->initializer = initializer;
733 check_entity_initializer(entity);
736 int has_entity_initializer(const ir_entity *entity)
738 return entity->initializer != NULL;
741 ir_initializer_t *get_entity_initializer(const ir_entity *entity)
743 return entity->initializer;
746 int (get_entity_offset)(const ir_entity *ent)
748 return _get_entity_offset(ent);
751 void (set_entity_offset)(ir_entity *ent, int offset)
753 _set_entity_offset(ent, offset);
756 unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent)
758 return _get_entity_offset_bits_remainder(ent);
761 void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset)
763 _set_entity_offset_bits_remainder(ent, offset);
766 void add_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
768 if (ent->overwrites == NULL) {
769 ent->overwrites = NEW_ARR_F(ir_entity*, 0);
771 ARR_APP1(ir_entity *, ent->overwrites, overwritten);
772 if (overwritten->overwrittenby == NULL) {
773 overwritten->overwrittenby = NEW_ARR_F(ir_entity*, 0);
775 ARR_APP1(ir_entity *, overwritten->overwrittenby, ent);
778 int get_entity_n_overwrites(const ir_entity *ent)
780 if (ent->overwrites == NULL)
782 return ARR_LEN(ent->overwrites);
785 int get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten)
788 n = get_entity_n_overwrites(ent);
789 for (i = 0; i < n; ++i) {
790 if (get_entity_overwrites(ent, i) == overwritten)
796 ir_entity *get_entity_overwrites(const ir_entity *ent, int pos)
798 assert(pos < get_entity_n_overwrites(ent));
799 return ent->overwrites[pos];
802 void set_entity_overwrites(ir_entity *ent, int pos, ir_entity *overwritten)
804 assert(pos < get_entity_n_overwrites(ent));
805 ent->overwrites[pos] = overwritten;
808 void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
811 n = get_entity_n_overwrites(ent);
812 for (i = 0; i < n; ++i) {
813 if (ent->overwrites[i] == overwritten) {
814 for (; i < n - 1; i++)
815 ent->overwrites[i] = ent->overwrites[i+1];
816 ARR_SETLEN(ir_entity*, ent->overwrites, n - 1);
823 int get_entity_n_overwrittenby(const ir_entity *ent)
825 if (ent->overwrittenby == NULL)
827 return ARR_LEN(ent->overwrittenby);
830 int get_entity_overwrittenby_index(const ir_entity *ent, ir_entity *overwrites)
833 n = get_entity_n_overwrittenby(ent);
834 for (i = 0; i < n; ++i) {
835 if (get_entity_overwrittenby(ent, i) == overwrites)
841 ir_entity *get_entity_overwrittenby(const ir_entity *ent, int pos)
843 assert(pos < get_entity_n_overwrittenby(ent));
844 return ent->overwrittenby[pos];
847 void set_entity_overwrittenby(ir_entity *ent, int pos, ir_entity *overwrites)
849 assert(pos < get_entity_n_overwrittenby(ent));
850 ent->overwrittenby[pos] = overwrites;
853 void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
857 n = get_entity_n_overwrittenby(ent);
858 for (i = 0; i < n; ++i) {
859 if (ent->overwrittenby[i] == overwrites) {
860 for (; i < n - 1; ++i)
861 ent->overwrittenby[i] = ent->overwrittenby[i+1];
862 ARR_SETLEN(ir_entity*, ent->overwrittenby, n - 1);
868 void *(get_entity_link)(const ir_entity *ent)
870 return _get_entity_link(ent);
873 void (set_entity_link)(ir_entity *ent, void *l)
875 _set_entity_link(ent, l);
878 ir_graph *(get_entity_irg)(const ir_entity *ent)
880 return _get_entity_irg(ent);
883 void set_entity_irg(ir_entity *ent, ir_graph *irg)
885 assert(is_method_entity(ent));
886 assert(get_entity_peculiarity(ent) == peculiarity_existent);
887 ent->attr.mtd_attr.irg = irg;
890 unsigned get_entity_vtable_number(const ir_entity *ent)
892 assert(is_method_entity((ir_entity *)ent));
893 return ent->attr.mtd_attr.vtable_number;
896 void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number)
898 assert(is_method_entity(ent));
899 ent->attr.mtd_attr.vtable_number = vtable_number;
902 int (is_entity)(const void *thing)
904 return _is_entity(thing);
907 int is_atomic_entity(const ir_entity *ent)
909 ir_type *t = get_entity_type(ent);
910 const tp_op *op = get_type_tpop(t);
911 return (op == type_primitive || op == type_pointer ||
912 op == type_enumeration || op == type_method);
915 int is_compound_entity(const ir_entity *ent)
917 ir_type *t = get_entity_type(ent);
918 const tp_op *op = get_type_tpop(t);
919 return (op == type_class || op == type_struct ||
920 op == type_array || op == type_union);
923 int is_method_entity(const ir_entity *ent)
925 ir_type *t = get_entity_type(ent);
926 return is_Method_type(t);
929 ir_visited_t (get_entity_visited)(const ir_entity *ent)
931 return _get_entity_visited(ent);
934 void (set_entity_visited)(ir_entity *ent, ir_visited_t num)
936 _set_entity_visited(ent, num);
939 void (mark_entity_visited)(ir_entity *ent)
941 _mark_entity_visited(ent);
944 int (entity_visited)(const ir_entity *ent)
946 return _entity_visited(ent);
949 int (entity_not_visited)(const ir_entity *ent)
951 return _entity_not_visited(ent);
954 unsigned get_entity_additional_properties(const ir_entity *ent)
958 assert(is_method_entity(ent));
960 /* first check, if the graph has additional properties */
961 irg = get_entity_irg(ent);
964 return get_irg_additional_properties(irg);
966 if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
967 return get_method_additional_properties(get_entity_type(ent));
969 return ent->attr.mtd_attr.irg_add_properties;
972 void set_entity_additional_properties(ir_entity *ent, unsigned property_mask)
976 assert(is_method_entity(ent));
978 /* first check, if the graph exists */
979 irg = get_entity_irg(ent);
981 set_irg_additional_properties(irg, property_mask);
983 /* do not allow to set the mtp_property_inherited flag or
984 * the automatic inheritance of flags will not work */
985 ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
989 void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag)
993 assert(is_method_entity(ent));
995 /* first check, if the graph exists */
996 irg = get_entity_irg(ent);
998 set_irg_additional_property(irg, flag);
1000 unsigned mask = ent->attr.mtd_attr.irg_add_properties;
1002 if (mask & mtp_property_inherited)
1003 mask = get_method_additional_properties(get_entity_type(ent));
1005 /* do not allow to set the mtp_property_inherited flag or
1006 * the automatic inheritance of flags will not work */
1007 ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
1011 /* Returns the class type that this type info entity represents or NULL
1012 if ent is no type info entity. */
1013 ir_type *(get_entity_repr_class)(const ir_entity *ent)
1015 return _get_entity_repr_class(ent);
1018 dbg_info *(get_entity_dbg_info)(const ir_entity *ent)
1020 return _get_entity_dbg_info(ent);
1023 void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db)
1025 _set_entity_dbg_info(ent, db);
1028 int entity_is_externally_visible(const ir_entity *entity)
1030 return get_entity_visibility(entity) != ir_visibility_local
1031 || (get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER);
1034 int entity_has_definition(const ir_entity *entity)
1036 return entity->initializer != NULL
1037 || get_entity_irg(entity) != NULL
1038 || entity_has_compound_ent_values(entity);
1041 void firm_init_entity(void)
1043 symconst_symbol sym;
1045 assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
1046 assert(!unknown_entity && "Call firm_init_entity() only once!");
1048 unknown_entity = new_rd_entity(NULL, firm_unknown_type, new_id_from_str(UNKNOWN_ENTITY_NAME), firm_unknown_type);
1049 set_entity_visibility(unknown_entity, ir_visibility_external);
1051 set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
1053 current_ir_graph = get_const_code_irg();
1054 sym.entity_p = unknown_entity;
1057 ir_allocation get_entity_allocation(const ir_entity *entity)
1059 return entity->allocation;
1062 void set_entity_allocation(ir_entity *entity, ir_allocation allocation)
1064 entity->allocation = allocation;
1067 ir_peculiarity get_entity_peculiarity(const ir_entity *entity)
1069 return entity->peculiarity;
1072 void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity)
1074 entity->peculiarity = peculiarity;
1077 void set_entity_final(ir_entity *entity, int final)
1079 entity->final = final;
1082 int is_entity_final(const ir_entity *entity)
1084 return entity->final;