-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer
-**
-*/
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief Representation of all program known entities.
+ * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
+ * @version $Id$
+ */
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+
+#include "xmalloc.h"
+#include "entity_t.h"
+#include "array.h"
+#include "irtools.h"
+#include "irhooks.h"
+#include "irprintf.h"
+
+#include "irprog_t.h"
+#include "ircons.h"
+#include "tv_t.h"
+#include "irdump.h"
+#include "irgraph_t.h"
+#include "callgraph.h"
+#include "error.h"
+#include "compound_path.h"
+
+/*-----------------------------------------------------------------*/
+/** general **/
+/*-----------------------------------------------------------------*/
+
+ir_entity *unknown_entity = NULL;
+
+ir_entity *get_unknown_entity(void) { return unknown_entity; }
+
+/** The name of the unknown entity. */
+#define UNKNOWN_ENTITY_NAME "unknown_entity"
-/* $Id$ */
+/*-----------------------------------------------------------------*/
+/* ENTITY */
+/*-----------------------------------------------------------------*/
-#ifdef HAVE_CONFIG_H
-# include <config.h>
+ir_entity *new_d_entity(ir_type *owner, ident *name, ir_type *type,
+ dbg_info *db)
+{
+ ir_entity *res;
+ ir_graph *rem;
+
+ assert(!id_contains_char(name, ' ') && "entity name should not contain spaces");
+
+ res = XMALLOCZ(ir_entity);
+
+ res->kind = k_entity;
+ res->name = name;
+ res->ld_name = NULL;
+ res->type = type;
+ res->owner = owner;
+
+ res->volatility = volatility_non_volatile;
+ res->aligned = align_is_aligned;
+ res->usage = ir_usage_unknown;
+ res->compiler_gen = 0;
+ res->visibility = ir_visibility_default;
+ res->offset = -1;
+ res->offset_bit_remainder = 0;
+ res->alignment = 0;
+ res->link = NULL;
+ res->repr_class = NULL;
+
+ if (is_Method_type(type)) {
+ symconst_symbol sym;
+ ir_mode *mode = is_Method_type(type) ? mode_P_code : mode_P_data;
+ sym.entity_p = res;
+ rem = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+ set_atomic_ent_value(res, new_SymConst(mode, sym, symconst_addr_ent));
+ current_ir_graph = rem;
+ res->linkage = IR_LINKAGE_CONSTANT;
+ res->attr.mtd_attr.irg_add_properties = mtp_property_inherited;
+ res->attr.mtd_attr.vtable_number = IR_VTABLE_NUM_NOT_SET;
+ res->attr.mtd_attr.param_access = NULL;
+ res->attr.mtd_attr.param_weight = NULL;
+ res->attr.mtd_attr.irg = NULL;
+ } else if (is_compound_type(type)) {
+ res->attr.cmpd_attr.values = NULL;
+ res->attr.cmpd_attr.val_paths = NULL;
+ } else if (is_code_type(type)) {
+ res->attr.code_attr.label = (ir_label_t) -1;
+ }
+
+ /* Remember entity in it's owner. */
+ if (owner != NULL)
+ add_compound_member(owner, res);
+
+#ifdef DEBUG_libfirm
+ res->nr = get_irp_new_node_nr();
#endif
-# include <stdlib.h>
-# include <stddef.h>
-# include <string.h>
+ res->visit = 0;
+ set_entity_dbg_info(res, db);
-# include "entity_t.h"
-# include "mangle.h"
-# include "typegmod_t.h"
-# include "array.h"
-/* All this is needed to build the constant node for methods: */
-# include "irprog.h"
-# include "ircons.h"
+ hook_new_entity(res);
-/*******************************************************************/
-/** general **/
-/*******************************************************************/
-
-void
-init_entity (void)
-{
-}
-
-/*******************************************************************/
-/** ENTITY **/
-/*******************************************************************/
-
-INLINE type *get_entity_owner (entity *ent);
-
-INLINE void insert_entity_in_owner (entity *ent) {
- type *owner = ent->owner;
- switch (get_type_tpop_code(owner)) {
- case tpo_class: {
- add_class_member (owner, ent);
- } break;
- case tpo_struct: {
- add_struct_member (owner, ent);
- } break;
- case tpo_union: {
- add_union_member (owner, ent);
- } break;
- case tpo_array: {
- set_array_element_entity(owner, ent);
- } break;
- default: assert(0);
- }
-}
-
-entity *
-new_entity (type *owner, ident *name, type *type)
-{
- entity *res;
- ir_graph *rem;
-
- res = (entity *) malloc (sizeof (entity));
- res->kind = k_entity;
- assert_legal_owner_of_ent(owner);
- res->owner = owner;
- res->name = name;
- res->type = type;
- if (get_type_tpop(type) == type_method)
- res->allocation = static_allocated;
- else
- res->allocation = automatic_allocated;
- res->visibility = local;
- res->offset = -1;
- if (is_method_type(type)) {
- res->variability = constant;
- rem = current_ir_graph;
- current_ir_graph = get_const_code_irg();
- res->value = new_Const(mode_p, tarval_p_from_entity(res));
- current_ir_graph = rem;
- } else {
- res->variability = uninitialized;
- }
- res->peculiarity = existent;
- res->volatility = non_volatile;
- res->ld_name = NULL;
- res->overwrites = NEW_ARR_F(entity *, 1);
- res->overwrittenby = NEW_ARR_F(entity *, 1);
-
- res->irg = NULL;
-
- res->visit = 0;
-
- /* Remember entity in it's owner. */
- insert_entity_in_owner (res);
- return res;
-}
-entity *
-new_d_entity (type *owner, ident *name, type *type, dbg_info *db) {
- entity *res = new_entity(owner, name, type);
- set_entity_dbg_info(res, db);
- return res;
-}
-INLINE void free_entity_attrs(entity *ent) {
- assert(ent);
- if (get_type_tpop(get_entity_owner(ent)) == type_class) {
- DEL_ARR_F(ent->overwrites);
- DEL_ARR_F(ent->overwrittenby);
- }
-}
-
-entity *
-copy_entity_own (entity *old, type *new_owner) {
- entity *new;
-
- assert_legal_owner_of_ent(new_owner);
- if (old->owner == new_owner) return old;
- new = (entity *) malloc (sizeof (entity));
- memcpy (new, old, sizeof (entity));
- new->owner = new_owner;
- if ((get_type_tpop(get_entity_owner(old)) == type_class) &&
- (get_type_tpop(new_owner) == type_class)) {
- new->overwrites = DUP_ARR_F(entity *, old->overwrites);
- new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
- } else if ((get_type_tpop(get_entity_owner(old)) != type_class) &&
- (get_type_tpop(new_owner) == type_class)) {
- new->overwrites = NEW_ARR_F(entity *, 1);
- new->overwrittenby = NEW_ARR_F(entity *, 1);
- }
-
- insert_entity_in_owner (new);
-
- return new;
-}
-
-entity *
-copy_entity_name (entity *old, ident *new_name) {
- entity *new;
-
- if (old->name == new_name) return old;
- new = (entity *) malloc (sizeof (entity));
- memcpy (new, old, sizeof (entity));
- new->name = new_name;
- new->ld_name = NULL;
- new->overwrites = DUP_ARR_F(entity *, old->overwrites);
- new->overwrittenby = DUP_ARR_F(entity *, old->overwrittenby);
-
- insert_entity_in_owner (new);
-
- return new;
-}
-
-void
-free_entity (entity *ent) {
- free_entity_attrs(ent);
- free(ent);
-}
-
-INLINE const char *
-get_entity_name (entity *ent) {
- assert (ent);
- return id_to_str(get_entity_ident(ent));
-}
-
-ident *
-get_entity_ident (entity *ent) {
- assert(ent);
- return ent->name;
+ return res;
+}
+
+ir_entity *new_entity(ir_type *owner, ident *name, ir_type *type)
+{
+ return new_d_entity(owner, name, type, NULL);
+}
+
+/**
+ * Free entity attributes.
+ *
+ * @param ent the entity
+ */
+static void free_entity_attrs(ir_entity *ent)
+{
+ if (ent->overwrites != NULL) {
+ DEL_ARR_F(ent->overwrites);
+ ent->overwrites = NULL;
+ }
+ if (ent->overwrittenby != NULL) {
+ DEL_ARR_F(ent->overwrittenby);
+ ent->overwrittenby = NULL;
+ }
+
+ if (ent->initializer != NULL) {
+ /* TODO: free initializers */
+ } else if (entity_has_compound_ent_values(ent)) {
+ /* can't free compound graph path as it might be used
+ * multiple times */
+ ent->attr.cmpd_attr.val_paths = NULL;
+ }
+ if (is_compound_entity(ent)) {
+ ent->attr.cmpd_attr.values = NULL;
+ } else if (is_method_entity(ent)) {
+ if (ent->attr.mtd_attr.param_access) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_access);
+ ent->attr.mtd_attr.param_access = NULL;
+ }
+ if (ent->attr.mtd_attr.param_weight) {
+ DEL_ARR_F(ent->attr.mtd_attr.param_weight);
+ ent->attr.mtd_attr.param_weight = NULL;
+ }
+ }
+}
+
+/**
+ * Creates a deep copy of an entity.
+ */
+static ir_entity *deep_entity_copy(ir_entity *old)
+{
+ ir_entity *newe = XMALLOC(ir_entity);
+
+ *newe = *old;
+ if (old->initializer != NULL) {
+ /* FIXME: the initializers are NOT copied */
+ } else if (entity_has_compound_ent_values(old)) {
+ newe->attr.cmpd_attr.values = NULL;
+ newe->attr.cmpd_attr.val_paths = NULL;
+ if (old->attr.cmpd_attr.values)
+ newe->attr.cmpd_attr.values = DUP_ARR_F(ir_node *, old->attr.cmpd_attr.values);
+
+ /* FIXME: the compound graph paths are NOT copied */
+ if (old->attr.cmpd_attr.val_paths)
+ newe->attr.cmpd_attr.val_paths = DUP_ARR_F(compound_graph_path *, old->attr.cmpd_attr.val_paths);
+ } else if (is_method_entity(old)) {
+ /* do NOT copy them, reanalyze. This might be the best solution */
+ newe->attr.mtd_attr.param_access = NULL;
+ newe->attr.mtd_attr.param_weight = NULL;
+ }
+ newe->overwrites = NULL;
+ newe->overwrittenby = NULL;
+
+#ifdef DEBUG_libfirm
+ newe->nr = get_irp_new_node_nr();
+#endif
+ return newe;
}
/*
-void set_entitye_ld_name (entity *, char *ld_name);
-void set_entity_ld_ident (entity *, ident *ld_ident);
-*/
+ * Copies the entity if the new_owner is different from the
+ * owner of the old entity, else returns the old entity.
+ */
+ir_entity *copy_entity_own(ir_entity *old, ir_type *new_owner)
+{
+ ir_entity *newe;
+ assert(is_entity(old));
+ assert(is_compound_type(new_owner));
+ assert(get_type_state(new_owner) != layout_fixed);
+
+ if (old->owner == new_owner)
+ return old;
+
+ /* create a deep copy so we are safe of aliasing and double-freeing. */
+ newe = deep_entity_copy(old);
+ newe->owner = new_owner;
+ add_compound_member(new_owner, newe);
+
+ return newe;
+}
+
+ir_entity *copy_entity_name(ir_entity *old, ident *new_name)
+{
+ ir_entity *newe;
+ assert(old && old->kind == k_entity);
+
+ if (old->name == new_name)
+ return old;
+
+ newe = deep_entity_copy(old);
+ newe->name = new_name;
+ newe->ld_name = NULL;
+ add_compound_member(old->owner, newe);
+
+ return newe;
+}
+
+void free_entity(ir_entity *ent)
+{
+ if (ent->owner != NULL && !is_Array_type(ent->owner))
+ remove_compound_member(ent->owner, ent);
+
+ assert(ent && ent->kind == k_entity);
+ free_entity_attrs(ent);
+ ent->kind = k_BAD;
+ xfree(ent);
+}
+
+/* Outputs a unique number for this node */
+long get_entity_nr(const ir_entity *ent)
+{
+ assert(ent && ent->kind == k_entity);
+#ifdef DEBUG_libfirm
+ return ent->nr;
+#else
+ return (long)PTR_TO_INT(ent);
+#endif
+}
+
+const char *(get_entity_name)(const ir_entity *ent)
+{
+ return _get_entity_name(ent);
+}
+
+ident *(get_entity_ident)(const ir_entity *ent)
+{
+ return _get_entity_ident(ent);
+}
+
+void (set_entity_ident)(ir_entity *ent, ident *id)
+{
+ _set_entity_ident(ent, id);
+}
+
+ir_type *(get_entity_owner)(const ir_entity *ent)
+{
+ return _get_entity_owner(ent);
+}
+
+void set_entity_owner(ir_entity *ent, ir_type *owner)
+{
+ assert(is_entity(ent));
+ assert(is_compound_type(owner));
+
+ remove_compound_member(ent->owner, ent);
+ add_compound_member(owner, ent);
+ ent->owner = owner;
+}
+
+ident *(get_entity_ld_ident)(const ir_entity *ent)
+{
+ return _get_entity_ld_ident(ent);
+}
+
+void (set_entity_ld_ident)(ir_entity *ent, ident *ld_ident)
+{
+ _set_entity_ld_ident(ent, ld_ident);
+}
+
+const char *(get_entity_ld_name)(const ir_entity *ent)
+{
+ return _get_entity_ld_name(ent);
+}
+
+ir_type *(get_entity_type)(const ir_entity *ent)
+{
+ return _get_entity_type(ent);
+}
+
+void (set_entity_type)(ir_entity *ent, ir_type *type)
+{
+ _set_entity_type(ent, type);
+}
-INLINE type *
-get_entity_owner (entity *ent) {
- return ent->owner = skip_tid(ent->owner);
+ir_volatility (get_entity_volatility)(const ir_entity *ent)
+{
+ return _get_entity_volatility(ent);
}
-INLINE void
-set_entity_owner (entity *ent, type *owner) {
- assert_legal_owner_of_ent(owner);
- ent->owner = owner;
+void (set_entity_volatility)(ir_entity *ent, ir_volatility vol)
+{
+ _set_entity_volatility(ent, vol);
}
-INLINE void /* should this go into type.c? */
-assert_legal_owner_of_ent(type *owner) {
- assert (get_type_tpop_code(owner) == tpo_class ||
- get_type_tpop_code(owner) == tpo_union ||
- get_type_tpop_code(owner) == tpo_struct ||
- get_type_tpop_code(owner) == tpo_array); /* Yes, array has an entity
- -- to select fields! */
+/* Return the name of the volatility. */
+const char *get_volatility_name(ir_volatility var)
+{
+#define X(a) case a: return #a
+ switch (var) {
+ X(volatility_non_volatile);
+ X(volatility_is_volatile);
+ default: return "BAD VALUE";
+ }
+#undef X
}
-INLINE ident *
-get_entity_ld_ident (entity *ent)
+ir_align (get_entity_aligned)(const ir_entity *ent)
{
- if (ent->ld_name == NULL)
- ent->ld_name = mangle_entity (ent);
- return ent->ld_name;
+ return _get_entity_aligned(ent);
}
-INLINE void
-set_entity_ld_ident (entity *ent, ident *ld_ident) {
- ent->ld_name = ld_ident;
+void (set_entity_aligned)(ir_entity *ent, ir_align a)
+{
+ _set_entity_aligned(ent, a);
}
-INLINE const char *
-get_entity_ld_name (entity *ent) {
- return id_to_str(get_entity_ld_ident(ent));
+unsigned (get_entity_alignment)(const ir_entity *ent)
+{
+ return _get_entity_alignment(ent);
+}
+
+void (set_entity_alignment)(ir_entity *ent, unsigned alignment)
+{
+ _set_entity_alignment(ent, alignment);
+}
+
+/* Return the name of the alignment. */
+const char *get_align_name(ir_align a)
+{
+#define X(a) case a: return #a
+ switch (a) {
+ X(align_non_aligned);
+ X(align_is_aligned);
+ default: return "BAD VALUE";
+ }
+#undef X
+}
+
+void set_entity_label(ir_entity *ent, ir_label_t label)
+{
+ ent->attr.code_attr.label = label;
+}
+
+ir_label_t get_entity_label(const ir_entity *ent)
+{
+ return ent->attr.code_attr.label;
+}
+
+static void verify_visibility(const ir_entity *entity)
+{
+ if (get_entity_visibility(entity) == ir_visibility_external
+ && !is_method_entity(entity)) {
+ assert(!entity_has_definition(entity));
+ }
+}
+
+void set_entity_visibility(ir_entity *entity, ir_visibility visibility)
+{
+ entity->visibility = visibility;
+ verify_visibility(entity);
+}
+
+ir_visibility get_entity_visibility(const ir_entity *entity)
+{
+ return entity->visibility;
+}
+
+void set_entity_linkage(ir_entity *entity, ir_linkage linkage)
+{
+ entity->linkage = linkage;
+}
+
+ir_linkage (get_entity_linkage)(const ir_entity *entity)
+{
+ return get_entity_linkage(entity);
+}
+
+void add_entity_linkage(ir_entity *entity, ir_linkage linkage)
+{
+ entity->linkage |= linkage;
+}
+
+void remove_entity_linkage(ir_entity *entity, ir_linkage linkage)
+{
+ entity->linkage &= ~linkage;
+}
+
+/* Checks if an entity is compiler generated */
+int (is_entity_compiler_generated)(const ir_entity *ent)
+{
+ return _is_entity_compiler_generated(ent);
+}
+
+/* Sets/resets the compiler generated flag */
+void (set_entity_compiler_generated)(ir_entity *ent, int flag)
+{
+ _set_entity_compiler_generated(ent, flag);
+}
+
+ir_entity_usage (get_entity_usage)(const ir_entity *ent)
+{
+ return _get_entity_usage(ent);
+}
+
+void (set_entity_usage)(ir_entity *ent, ir_entity_usage flags)
+{
+ _set_entity_usage(ent, flags);
+}
+
+/* Set has no effect for existent entities of type method. */
+ir_node *get_atomic_ent_value(ir_entity *entity)
+{
+ ir_initializer_t *initializer = get_entity_initializer(entity);
+
+ assert(entity && is_atomic_entity(entity));
+ if (initializer == NULL) {
+ ir_type *type = get_entity_type(entity);
+ return new_r_Unknown(get_const_code_irg(), get_type_mode(type));
+ }
+
+ switch (get_initializer_kind(initializer)) {
+ case IR_INITIALIZER_NULL: {
+ ir_type *type = get_entity_type(entity);
+ ir_mode *mode = get_type_mode(type);
+ return new_r_Const(get_const_code_irg(), get_mode_null(mode));
+ }
+ case IR_INITIALIZER_TARVAL: {
+ tarval *tv = get_initializer_tarval_value(initializer);
+ return new_r_Const(get_const_code_irg(), tv);
+ }
+ case IR_INITIALIZER_CONST:
+ return get_initializer_const_value(initializer);
+ case IR_INITIALIZER_COMPOUND:
+ panic("compound initializer in atomic entity not allowed (%+F)", entity);
+ }
+
+ panic("invalid initializer kind in get_atomic_ent_value(%+F)", entity);
+}
+
+void set_atomic_ent_value(ir_entity *entity, ir_node *val)
+{
+ ir_initializer_t *initializer;
+
+ assert(is_atomic_entity(entity));
+
+ assert(is_Dummy(val) || get_irn_mode(val) == get_type_mode(entity->type));
+ initializer = create_initializer_const(val);
+ entity->initializer = initializer;
+}
+
+/* Returns true if the the node is representable as code on
+ * const_code_irg. */
+int is_irn_const_expression(ir_node *n)
+{
+ ir_mode *m;
+
+ /* we are in danger iff an exception will arise. TODO: be more precisely,
+ * for instance Div. will NOT rise if divisor != 0
+ */
+ if (is_binop(n) && !is_fragile_op(n))
+ return is_irn_const_expression(get_binop_left(n)) && is_irn_const_expression(get_binop_right(n));
+
+ m = get_irn_mode(n);
+ switch (get_irn_opcode(n)) {
+ case iro_Const:
+ case iro_SymConst:
+ case iro_Unknown:
+ return 1;
+ case iro_Conv:
+ case iro_Cast:
+ return is_irn_const_expression(get_irn_n(n, 0));
+ default:
+ break;
+ }
+ return 0;
}
/*
-char *get_entity_ld_name (entity *);
-void set_entity_ld_name (entity *, char *ld_name);
-*/
+ * Copies a firm subgraph that complies to the restrictions for
+ * constant expressions to current_block in current_ir_graph.
+ */
+ir_node *copy_const_value(dbg_info *dbg, ir_node *n)
+{
+ ir_node *nn;
+ ir_mode *m;
+
+ /* @@@ GL I think we should implement this using the routines from irgopt for
+ dead node elimination/inlineing. */
+
+ m = get_irn_mode(n);
+ switch (get_irn_opcode(n)) {
+ case iro_Const:
+ nn = new_d_Const_type(dbg, get_Const_tarval(n), get_Const_type(n));
+ break;
+ case iro_SymConst:
+ nn = new_d_SymConst_type(dbg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n),
+ get_SymConst_value_type(n));
+ break;
+ case iro_Add:
+ nn = new_d_Add(dbg, copy_const_value(dbg, get_Add_left(n)),
+ copy_const_value(dbg, get_Add_right(n)), m); break;
+ case iro_Sub:
+ nn = new_d_Sub(dbg, copy_const_value(dbg, get_Sub_left(n)),
+ copy_const_value(dbg, get_Sub_right(n)), m); break;
+ case iro_Mul:
+ nn = new_d_Mul(dbg, copy_const_value(dbg, get_Mul_left(n)),
+ copy_const_value(dbg, get_Mul_right(n)), m); break;
+ case iro_And:
+ nn = new_d_And(dbg, copy_const_value(dbg, get_And_left(n)),
+ copy_const_value(dbg, get_And_right(n)), m); break;
+ case iro_Or:
+ nn = new_d_Or(dbg, copy_const_value(dbg, get_Or_left(n)),
+ copy_const_value(dbg, get_Or_right(n)), m); break;
+ case iro_Eor:
+ nn = new_d_Eor(dbg, copy_const_value(dbg, get_Eor_left(n)),
+ copy_const_value(dbg, get_Eor_right(n)), m); break;
+ case iro_Cast:
+ nn = new_d_Cast(dbg, copy_const_value(dbg, get_Cast_op(n)), get_Cast_type(n)); break;
+ case iro_Conv:
+ nn = new_d_Conv(dbg, copy_const_value(dbg, get_Conv_op(n)), m); break;
+ case iro_Unknown:
+ nn = new_Unknown(m); break;
+ default:
+ panic("opcode invalid or not implemented");
+ }
+ return nn;
+}
-INLINE type *
-get_entity_type (entity *ent) {
- return ent->type = skip_tid(ent->type);
+/** Return the name of the initializer kind. */
+const char *get_initializer_kind_name(ir_initializer_kind_t ini)
+{
+#define X(a) case a: return #a
+ switch (ini) {
+ X(IR_INITIALIZER_CONST);
+ X(IR_INITIALIZER_TARVAL);
+ X(IR_INITIALIZER_NULL);
+ X(IR_INITIALIZER_COMPOUND);
+ default: return "BAD VALUE";
+ }
+#undef X
}
-INLINE void
-set_entity_type (entity *ent, type *type) {
- ent->type = type;
+static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL };
+
+ir_initializer_t *get_initializer_null(void)
+{
+ return &null_initializer;
}
+ir_initializer_t *create_initializer_const(ir_node *value)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
+
+ ir_initializer_t *initializer
+ = obstack_alloc(obst, sizeof(ir_initializer_const_t));
+ initializer->kind = IR_INITIALIZER_CONST;
+ initializer->consti.value = value;
-INLINE ent_allocation
-get_entity_allocation (entity *ent) {
- return ent->allocation;
+ return initializer;
}
-INLINE void
-set_entity_allocation (entity *ent, ent_allocation al) {
- ent->allocation = al;
+ir_initializer_t *create_initializer_tarval(tarval *tv)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
+
+ ir_initializer_t *initializer
+ = obstack_alloc(obst, sizeof(ir_initializer_tarval_t));
+ initializer->kind = IR_INITIALIZER_TARVAL;
+ initializer->tarval.value = tv;
+
+ return initializer;
}
+ir_initializer_t *create_initializer_compound(unsigned n_entries)
+{
+ struct obstack *obst = get_irg_obstack(get_const_code_irg());
-INLINE ent_visibility
-get_entity_visibility (entity *ent) {
- return ent->visibility;
+ size_t i;
+ size_t size = sizeof(ir_initializer_compound_t)
+ + (n_entries-1) * sizeof(ir_initializer_t*);
+
+ ir_initializer_t *initializer = obstack_alloc(obst, size);
+ initializer->kind = IR_INITIALIZER_COMPOUND;
+ initializer->compound.n_initializers = n_entries;
+
+ for (i = 0; i < n_entries; ++i) {
+ initializer->compound.initializers[i] = get_initializer_null();
+ }
+
+ return initializer;
}
-INLINE void
-set_entity_visibility (entity *ent, ent_visibility vis) {
- if (vis != local) assert(ent->allocation == static_allocated);
- ent->visibility = vis;
+ir_node *get_initializer_const_value(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_CONST);
+ return skip_Id(initializer->consti.value);
}
-INLINE ent_variability
-get_entity_variability (entity *ent) {
- return ent->variability;
+tarval *get_initializer_tarval_value(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_TARVAL);
+ return initializer->tarval.value;
}
-INLINE void
-set_entity_variability (entity *ent, ent_variability var){
- if (var == part_constant)
- assert(is_class_type(ent->type) || is_struct_type(ent->type));
- if ((is_compound_type(ent->type)) &&
- (ent->variability == uninitialized) && (var != uninitialized)) {
- /* Allocate datastructures for constant values */
- ent->values = NEW_ARR_F(ir_node *, 1);
- ent->val_ents = NEW_ARR_F(entity *, 1);
- }
- if ((is_compound_type(ent->type)) &&
- (var == uninitialized) && (ent->variability != uninitialized)) {
- /* Free datastructures for constant values */
- DEL_ARR_F(ent->values);
- DEL_ARR_F(ent->val_ents);
- }
- ent->variability = var;
+unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ return initializer->compound.n_initializers;
}
+void set_initializer_compound_value(ir_initializer_t *initializer,
+ unsigned index, ir_initializer_t *value)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ assert(index < initializer->compound.n_initializers);
-INLINE ent_volatility
-get_entity_volatility (entity *ent) {
- assert (ent);
- return ent->volatility;
+ initializer->compound.initializers[index] = value;
}
-INLINE void
-set_entity_volatility (entity *ent, ent_volatility vol) {
- assert (ent);
- ent->volatility = vol;
+ir_initializer_t *get_initializer_compound_value(
+ const ir_initializer_t *initializer, unsigned index)
+{
+ assert(initializer->kind == IR_INITIALIZER_COMPOUND);
+ assert(index < initializer->compound.n_initializers);
+
+ return initializer->compound.initializers[index];
}
-INLINE peculiarity
-get_entity_peculiarity (entity *ent) {
- assert (ent);
- return ent->peculiarity;
+ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer)
+{
+ return initializer->kind;
}
-INLINE void
-set_entity_peculiarity (entity *ent, peculiarity pec) {
- assert (ent);
- /* @@@ why peculiarity only for methods? */
- assert (is_method_type(ent->type));
- ent->peculiarity = pec;
+static void check_entity_initializer(ir_entity *entity)
+{
+#ifndef NDEBUG
+ ir_initializer_t *initializer = entity->initializer;
+ ir_type *entity_tp = get_entity_type(entity);
+ switch (initializer->kind) {
+ case IR_INITIALIZER_COMPOUND:
+ assert(is_compound_type(entity_tp) || is_Array_type(entity_tp));
+ break;
+ case IR_INITIALIZER_CONST:
+ /* methods are initialized by a SymConst */
+ assert(is_atomic_type(entity_tp) || is_Method_type(entity_tp));
+ break;
+ case IR_INITIALIZER_TARVAL:
+ assert(is_atomic_type(entity_tp));
+ break;
+ case IR_INITIALIZER_NULL:
+ break;
+ }
+#endif
}
-/* Set has no effect for entities of type method. */
-INLINE ir_node *
-get_atomic_ent_value(entity *ent) {
- assert(ent); assert(is_atomic_entity(ent));
- assert((ent->variability != uninitialized));
- return ent->value;
+void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer)
+{
+ entity->initializer = initializer;
+ check_entity_initializer(entity);
}
-INLINE void
-set_atomic_ent_value(entity *ent, ir_node *val) {
- assert(ent && is_atomic_entity(ent) && (ent->variability != uninitialized));
- if (is_method_type(ent->type)) return;
- ent->value = val;
+int has_entity_initializer(const ir_entity *entity)
+{
+ return entity->initializer != NULL;
}
+ir_initializer_t *get_entity_initializer(const ir_entity *entity)
+{
+ return entity->initializer;
+}
-ir_node *copy_const_value(ir_node *n) {
- ir_node *nn;
- ir_mode *m;
+int (get_entity_offset)(const ir_entity *ent)
+{
+ return _get_entity_offset(ent);
+}
- m = get_irn_mode(n);
- switch(get_irn_opcode(n)) {
- case iro_Const:
- nn = new_Const(m, get_Const_tarval(n)); break;
- case iro_SymConst:
- nn = new_SymConst(get_SymConst_type_or_id(n), get_SymConst_kind(n)); break;
- case iro_Add:
- nn = new_Add(copy_const_value(get_Add_left(n)), copy_const_value(get_Add_right(n)), m); break;
- default:
- assert(0 && "opdope invalid or not implemented"); break;
- }
- return nn;
-}
+void (set_entity_offset)(ir_entity *ent, int offset)
+{
+ _set_entity_offset(ent, offset);
+}
-/* A value of a compound entity is a pair of value and the corresponding member of
- the compound. */
-INLINE void
-add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- ARR_APP1 (ir_node *, ent->values, val);
- ARR_APP1 (entity *, ent->val_ents, member);
-}
-
-/* Copies the firm subgraph referenced by val to const_code_irg and adds
- the node as constant initialization to ent.
- The subgraph may not contain control flow operations.
-INLINE void
-copy_and_add_compound_ent_value(entity *ent, ir_node *val, entity *member) {
- ir_graph *rem = current_ir_graph;
-
- assert(get_entity_variability(ent) != uninitialized);
- current_ir_graph = get_const_code_irg();
-
- val = copy_const_value(val);
- add_compound_ent_value(ent, val, member);
- current_ir_graph = rem;
- }*/
-
-INLINE int
-get_compound_ent_n_values(entity *ent) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- return (ARR_LEN (ent->values))-1;
-}
-
-INLINE ir_node *
-get_compound_ent_value(entity *ent, int pos) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- return ent->values[pos+1];
+unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent)
+{
+ return _get_entity_offset_bits_remainder(ent);
}
-/* Copies the value i of the entity to current_block in current_ir_graph.
-ir_node *
-copy_compound_ent_value(entity *ent, int pos) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- return copy_const_value(ent->values[pos+1]);
- }*/
+void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset)
+{
+ _set_entity_offset_bits_remainder(ent, offset);
+}
-INLINE entity *
-get_compound_ent_value_member(entity *ent, int pos) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- return ent->val_ents[pos+1];
-}
-
-INLINE void
-set_compound_ent_value(entity *ent, ir_node *val, entity *member, int pos) {
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- ent->values[pos+1] = val;
- ent->val_ents[pos+1] = member;
-}
-
-void
-remove_compound_ent_value(entity *ent, entity *value_ent) {
- int i;
- assert(ent && is_compound_entity(ent) && (ent->variability != uninitialized));
- for (i = 1; i < (ARR_LEN (ent->val_ents)); i++) {
- if (ent->val_ents[i] == value_ent) {
- for(; i < (ARR_LEN (ent->val_ents))-1; i++) {
- ent->val_ents[i] = ent->val_ents[i+1];
- ent->values[i] = ent->values[i+1];
- }
- ARR_SETLEN(entity*, ent->val_ents, ARR_LEN(ent->val_ents) - 1);
- ARR_SETLEN(ir_node*, ent->values, ARR_LEN(ent->values) - 1);
- break;
- }
- }
-}
+void add_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
+{
+ if (ent->overwrites == NULL) {
+ ent->overwrites = NEW_ARR_F(ir_entity*, 0);
+ }
+ ARR_APP1(ir_entity *, ent->overwrites, overwritten);
+ if (overwritten->overwrittenby == NULL) {
+ overwritten->overwrittenby = NEW_ARR_F(ir_entity*, 0);
+ }
+ ARR_APP1(ir_entity *, overwritten->overwrittenby, ent);
+}
+
+int get_entity_n_overwrites(const ir_entity *ent)
+{
+ if (ent->overwrites == NULL)
+ return 0;
+ return ARR_LEN(ent->overwrites);
+}
-void
-set_array_entity_values(entity *ent, tarval **values, int num_vals) {
- int i;
- ir_graph *rem = current_ir_graph;
- type *arrtp = get_entity_type(ent);
- ir_node *val;
+int get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten)
+{
+ int i, n;
+ n = get_entity_n_overwrites(ent);
+ for (i = 0; i < n; ++i) {
+ if (get_entity_overwrites(ent, i) == overwritten)
+ return i;
+ }
+ return -1;
+}
- assert(is_array_type(arrtp));
- assert(get_array_n_dimensions(arrtp) == 1);
- /* One bound is sufficient, the nunmber of constant fields makes the
- size. */
- assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0));
- assert(get_entity_variability(ent) != uninitialized);
- current_ir_graph = get_const_code_irg();
-
- for (i = 0; i < num_vals; i++) {
- val = new_Const(get_tv_mode (values[i]), values[i]);
- add_compound_ent_value(ent, val, get_array_element_entity(arrtp));
- }
- current_ir_graph = rem;
-}
-
-INLINE int
-get_entity_offset (entity *ent) {
- return ent->offset;
+ir_entity *get_entity_overwrites(const ir_entity *ent, int pos)
+{
+ assert(pos < get_entity_n_overwrites(ent));
+ return ent->overwrites[pos];
}
-
-INLINE void
-set_entity_offset (entity *ent, int offset) {
- ent->offset = offset;
+
+void set_entity_overwrites(ir_entity *ent, int pos, ir_entity *overwritten)
+{
+ assert(pos < get_entity_n_overwrites(ent));
+ ent->overwrites[pos] = overwritten;
}
-INLINE void
-add_entity_overwrites (entity *ent, entity *overwritten) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- ARR_APP1 (entity *, ent->overwrites, overwritten);
- ARR_APP1 (entity *, overwritten->overwrittenby, ent);
+void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten)
+{
+ int i, n;
+ n = get_entity_n_overwrites(ent);
+ for (i = 0; i < n; ++i) {
+ if (ent->overwrites[i] == overwritten) {
+ for (; i < n - 1; i++)
+ ent->overwrites[i] = ent->overwrites[i+1];
+ ARR_SETLEN(ir_entity*, ent->overwrites, n - 1);
+ break;
+ }
+ }
}
-INLINE int
-get_entity_n_overwrites (entity *ent) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- return (ARR_LEN (ent->overwrites))-1;
+
+int get_entity_n_overwrittenby(const ir_entity *ent)
+{
+ if (ent->overwrittenby == NULL)
+ return 0;
+ return ARR_LEN(ent->overwrittenby);
}
-INLINE entity *
-get_entity_overwrites (entity *ent, int pos) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrites(ent));
- return ent->overwrites[pos+1];
+int get_entity_overwrittenby_index(const ir_entity *ent, ir_entity *overwrites)
+{
+ int i, n;
+ n = get_entity_n_overwrittenby(ent);
+ for (i = 0; i < n; ++i) {
+ if (get_entity_overwrittenby(ent, i) == overwrites)
+ return i;
+ }
+ return -1;
}
-INLINE void
-set_entity_overwrites (entity *ent, int pos, entity *overwritten) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrites(ent));
- ent->overwrites[pos+1] = overwritten;
+ir_entity *get_entity_overwrittenby(const ir_entity *ent, int pos)
+{
+ assert(pos < get_entity_n_overwrittenby(ent));
+ return ent->overwrittenby[pos];
}
-INLINE void
-add_entity_overwrittenby (entity *ent, entity *overwrites) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- add_entity_overwrites(overwrites, ent);
+void set_entity_overwrittenby(ir_entity *ent, int pos, ir_entity *overwrites)
+{
+ assert(pos < get_entity_n_overwrittenby(ent));
+ ent->overwrittenby[pos] = overwrites;
}
-INLINE int
-get_entity_n_overwrittenby (entity *ent) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- return (ARR_LEN (ent->overwrittenby))-1;
+void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites)
+{
+ int i, n;
+
+ n = get_entity_n_overwrittenby(ent);
+ for (i = 0; i < n; ++i) {
+ if (ent->overwrittenby[i] == overwrites) {
+ for (; i < n - 1; ++i)
+ ent->overwrittenby[i] = ent->overwrittenby[i+1];
+ ARR_SETLEN(ir_entity*, ent->overwrittenby, n - 1);
+ break;
+ }
+ }
}
-INLINE entity *
-get_entity_overwrittenby (entity *ent, int pos) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrittenby(ent));
- return ent->overwrittenby[pos+1];
+void *(get_entity_link)(const ir_entity *ent)
+{
+ return _get_entity_link(ent);
}
-INLINE void
-set_entity_overwrittenby (entity *ent, int pos, entity *overwrites) {
- assert(ent);
- assert(is_class_type(get_entity_owner(ent)));
- assert(pos < get_entity_n_overwrittenby(ent));
- ent->overwrittenby[pos+1] = overwrites;
+void (set_entity_link)(ir_entity *ent, void *l)
+{
+ _set_entity_link(ent, l);
}
-/* A link to store intermediate information */
-void *
-get_entity_link(entity *ent) {
- assert(ent);
- return ent->link;
+ir_graph *(get_entity_irg)(const ir_entity *ent)
+{
+ return _get_entity_irg(ent);
}
-void
-set_entity_link(entity *ent, void *l) {
- assert(ent);
- ent->link = l;
+void set_entity_irg(ir_entity *ent, ir_graph *irg)
+{
+ assert(is_method_entity(ent));
+ assert(get_entity_peculiarity(ent) == peculiarity_existent);
+ ent->attr.mtd_attr.irg = irg;
}
-INLINE ir_graph *
-get_entity_irg(entity *ent) {
- assert (ent);
- assert (is_method_type(ent->type));
- return ent->irg;
+unsigned get_entity_vtable_number(const ir_entity *ent)
+{
+ assert(is_method_entity((ir_entity *)ent));
+ return ent->attr.mtd_attr.vtable_number;
}
-INLINE void
-set_entity_irg(entity *ent, ir_graph *irg) {
- assert (ent && ent->type);
- /* Wie kann man die Referenz auf einen IRG löschen, z.B. wenn die
- * Methode selbst nicht mehr aufgerufen werden kann, die Entität
- * aber erhalten bleiben soll. */
- /* assert (irg); */
- assert (is_method_type(ent->type));
- assert (ent->peculiarity == existent);
- ent->irg = irg;
+void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number)
+{
+ assert(is_method_entity(ent));
+ ent->attr.mtd_attr.vtable_number = vtable_number;
}
-int is_atomic_entity(entity *ent) {
- type* t = get_entity_type(ent);
- return (is_primitive_type(t) || is_pointer_type(t) ||
- is_enumeration_type(t) || is_method_type(t));
+int (is_entity)(const void *thing)
+{
+ return _is_entity(thing);
}
-int is_compound_entity(entity *ent) {
- type* t = get_entity_type(ent);
- return (is_class_type(t) || is_struct_type(t) ||
- is_array_type(t) || is_union_type(t));
+int is_atomic_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ const tp_op *op = get_type_tpop(t);
+ return (op == type_primitive || op == type_pointer ||
+ op == type_enumeration || op == type_method);
}
-bool equal_entity(entity *ent1, entity *ent2) {
- return true;
+int is_compound_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ const tp_op *op = get_type_tpop(t);
+ return (op == type_class || op == type_struct ||
+ op == type_array || op == type_union);
}
+int is_method_entity(const ir_entity *ent)
+{
+ ir_type *t = get_entity_type(ent);
+ return is_Method_type(t);
+}
-unsigned long get_entity_visited(entity *entity) {
- assert (entity);
- return entity->visit;
+ir_visited_t (get_entity_visited)(const ir_entity *ent)
+{
+ return _get_entity_visited(ent);
}
-void set_entity_visited(entity *entity, unsigned long num) {
- assert (entity);
- entity->visit = num;
+
+void (set_entity_visited)(ir_entity *ent, ir_visited_t num)
+{
+ _set_entity_visited(ent, num);
}
-/* Sets visited field in entity to entity_visited. */
-void mark_entity_visited(entity *entity) {
- assert (entity);
- entity->visit = type_visited;
+
+void (mark_entity_visited)(ir_entity *ent)
+{
+ _mark_entity_visited(ent);
+}
+
+int (entity_visited)(const ir_entity *ent)
+{
+ return _entity_visited(ent);
+}
+
+int (entity_not_visited)(const ir_entity *ent)
+{
+ return _entity_not_visited(ent);
+}
+
+unsigned get_entity_additional_properties(const ir_entity *ent)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph has additional properties */
+ irg = get_entity_irg(ent);
+
+ if (irg)
+ return get_irg_additional_properties(irg);
+
+ if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited)
+ return get_method_additional_properties(get_entity_type(ent));
+
+ return ent->attr.mtd_attr.irg_add_properties;
+}
+
+void set_entity_additional_properties(ir_entity *ent, unsigned property_mask)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph exists */
+ irg = get_entity_irg(ent);
+ if (irg)
+ set_irg_additional_properties(irg, property_mask);
+ else {
+ /* do not allow to set the mtp_property_inherited flag or
+ * the automatic inheritance of flags will not work */
+ ent->attr.mtd_attr.irg_add_properties = property_mask & ~mtp_property_inherited;
+ }
+}
+
+void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag)
+{
+ ir_graph *irg;
+
+ assert(is_method_entity(ent));
+
+ /* first check, if the graph exists */
+ irg = get_entity_irg(ent);
+ if (irg)
+ set_irg_additional_property(irg, flag);
+ else {
+ unsigned mask = ent->attr.mtd_attr.irg_add_properties;
+
+ if (mask & mtp_property_inherited)
+ mask = get_method_additional_properties(get_entity_type(ent));
+
+ /* do not allow to set the mtp_property_inherited flag or
+ * the automatic inheritance of flags will not work */
+ ent->attr.mtd_attr.irg_add_properties = mask | (flag & ~mtp_property_inherited);
+ }
+}
+
+/* Returns the class type that this type info entity represents or NULL
+ if ent is no type info entity. */
+ir_type *(get_entity_repr_class)(const ir_entity *ent)
+{
+ return _get_entity_repr_class(ent);
+}
+
+dbg_info *(get_entity_dbg_info)(const ir_entity *ent)
+{
+ return _get_entity_dbg_info(ent);
+}
+
+void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db)
+{
+ _set_entity_dbg_info(ent, db);
+}
+
+int entity_is_externally_visible(const ir_entity *entity)
+{
+ return get_entity_visibility(entity) != ir_visibility_local
+ || (get_entity_linkage(entity) & IR_LINKAGE_HIDDEN_USER);
+}
+
+int entity_has_definition(const ir_entity *entity)
+{
+ return entity->initializer != NULL
+ || get_entity_irg(entity) != NULL
+ || entity_has_compound_ent_values(entity);
+}
+
+void ir_init_entity(void)
+{
+ assert(firm_unknown_type && "Call init_type() before firm_init_entity()!");
+ assert(!unknown_entity && "Call firm_init_entity() only once!");
+
+ unknown_entity = new_d_entity(NULL, new_id_from_str(UNKNOWN_ENTITY_NAME),
+ firm_unknown_type, NULL);
+ set_entity_visibility(unknown_entity, ir_visibility_external);
+ set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity));
+}
+
+void ir_finish_entity(void)
+{
+ if (unknown_entity != NULL) {
+ free_entity(unknown_entity);
+ unknown_entity = NULL;
+ }
+}
+
+ir_allocation get_entity_allocation(const ir_entity *entity)
+{
+ return entity->allocation;
+}
+
+void set_entity_allocation(ir_entity *entity, ir_allocation allocation)
+{
+ entity->allocation = allocation;
+}
+
+ir_peculiarity get_entity_peculiarity(const ir_entity *entity)
+{
+ return entity->peculiarity;
+}
+
+void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity)
+{
+ entity->peculiarity = peculiarity;
+}
+
+void set_entity_final(ir_entity *entity, int final)
+{
+ entity->final = final;
+}
+
+int is_entity_final(const ir_entity *entity)
+{
+ return entity->final;
}