X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity.c;h=f67d0e6657e193c40befbe95170b6667f0715d88;hb=2c8cc375a52fbfb9bdf15ebed6278a6d7b23a6ff;hp=89bab580181430818e82d33b102656e571829974;hpb=a748501db974593cc1ddd3955c1663340c5af353;p=libfirm diff --git a/ir/tr/entity.c b/ir/tr/entity.c index 89bab5801..f67d0e665 100644 --- a/ir/tr/entity.c +++ b/ir/tr/entity.c @@ -1,185 +1,129 @@ /* - * Project: libFIRM - * File name: ir/tr/entity.c - * Purpose: Representation of all program known entities. - * Author: Martin Trapp, Christian Schaefer - * Modified by: Goetz Lindenmaier, Michael Beck - * Created: - * CVS-ID: $Id$ - * Copyright: (c) 1998-2006 Universität Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * 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. */ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif -#ifdef HAVE_STRING_H -# include -#endif -#ifdef HAVE_STDLIB_H -# include -#endif -#ifdef HAVE_STDDEF_H -# include -#endif -#ifdef HAVE_MALLOC_H -# include -#endif -#ifdef HAVE_ALLOCA_H -# include -#endif +/** + * @file + * @brief Representation of all program known entities. + * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck + * @version $Id$ + */ +#include "config.h" -#include "firm_common_t.h" +#include +#include +#include #include "xmalloc.h" #include "entity_t.h" -#include "mangle.h" -#include "typegmod.h" #include "array.h" #include "irtools.h" #include "irhooks.h" #include "irprintf.h" -/* All this is needed to build the constant node for methods: */ #include "irprog_t.h" #include "ircons.h" #include "tv_t.h" -#include "irdump.h" /* for output if errors occur. */ +#include "irdump.h" +#include "irgraph_t.h" +#include "callgraph.h" +#include "error.h" +#include "compound_path.h" -#include "callgraph.h" /* for dumping debug output */ - -/*******************************************************************/ +/*-----------------------------------------------------------------*/ /** 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" /*-----------------------------------------------------------------*/ /* ENTITY */ /*-----------------------------------------------------------------*/ -static INLINE void insert_entity_in_owner(ir_entity *ent) { - ir_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); - } -} +ir_entity *new_d_entity(ir_type *owner, ident *name, ir_type *type, + dbg_info *db) +{ + ir_entity *res; + + 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)) { + ir_graph *irg = get_const_code_irg(); + symconst_symbol sym; + ir_mode *mode = is_Method_type(type) ? mode_P_code : mode_P_data; + sym.entity_p = res; + set_atomic_ent_value(res, new_r_SymConst(irg, mode, sym, symconst_addr_ent)); + 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; + } -/** - * Creates a new entity. This entity is NOT inserted in the owner type. - * - * @param db debug info for this entity - * @param owner the owner type of the new entity - * @param name the name of the new entity - * @param type the type of the new entity - * - * @return the new created entity - */ -static INLINE ir_entity * -new_rd_entity(dbg_info *db, ir_type *owner, ident *name, ir_type *type) -{ - ir_entity *res; - ir_graph *rem; - - assert(!id_contains_char(name, ' ') && "entity name should not contain spaces"); - - res = xmalloc(sizeof(*res)); - memset(res, 0, sizeof(*res)); - - res->kind = k_entity; - res->name = name; - res->ld_name = NULL; - res->type = type; - res->owner = owner; - - res->allocation = allocation_automatic; - res->visibility = visibility_local; - res->volatility = volatility_non_volatile; - res->stickyness = stickyness_unsticky; - res->peculiarity = peculiarity_existent; - res->final = 0; - res->compiler_gen = 0; - res->offset = -1; - res->link = NULL; - res->repr_class = NULL; - - if (is_Method_type(type)) { - symconst_symbol sym; - sym.entity_p = res; - rem = current_ir_graph; - current_ir_graph = get_const_code_irg(); - res->value = new_SymConst(sym, symconst_addr_ent); - current_ir_graph = rem; - res->allocation = allocation_static; - res->variability = variability_constant; - res->attr.mtd_attr.irg_add_properties = mtp_property_inherited; - res->attr.mtd_attr.vtable_number = VTABLE_NUM_NOT_SET; - res->attr.mtd_attr.param_access = NULL; - res->attr.mtd_attr.param_weight = NULL; - res->attr.mtd_attr.irg = NULL; - res->attr.mtd_attr.section = section_text; - } - else if (is_compound_type(type)) { - res->variability = variability_uninitialized; - res->value = NULL; - res->attr.cmpd_attr.values = NULL; - res->attr.cmpd_attr.val_paths = NULL; - } - else { - res->variability = variability_uninitialized; - res->value = NULL; - } - - if (is_Class_type(owner)) { - res->overwrites = NEW_ARR_F(ir_entity *, 0); - res->overwrittenby = NEW_ARR_F(ir_entity *, 0); - } else { - res->overwrites = NULL; - res->overwrittenby = NULL; - } + /* 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 /* DEBUG_libfirm */ - - res->visit = 0; - set_entity_dbg_info(res, db); - - return res; -} + res->nr = get_irp_new_node_nr(); +#endif -ir_entity * -new_d_entity(ir_type *owner, ident *name, ir_type *type, dbg_info *db) { - ir_entity *res; + res->visit = 0; + set_entity_dbg_info(res, db); - assert(is_compound_type(owner)); - res = new_rd_entity(db, owner, name, type); - /* Remember entity in it's owner. */ - insert_entity_in_owner(res); + hook_new_entity(res); - hook_new_entity(res); - return res; + return res; } -ir_entity * -new_entity(ir_type *owner, ident *name, ir_type *type) { - return new_d_entity(owner, name, type, NULL); +ir_entity *new_entity(ir_type *owner, ident *name, ir_type *type) +{ + return new_d_entity(owner, name, type, NULL); } /** @@ -187,1216 +131,936 @@ new_entity(ir_type *owner, ident *name, ir_type *type) { * * @param ent the entity */ -static void free_entity_attrs(ir_entity *ent) { - int i; - if (get_type_tpop(get_entity_owner(ent)) == type_class) { - DEL_ARR_F(ent->overwrites); ent->overwrites = NULL; - DEL_ARR_F(ent->overwrittenby); ent->overwrittenby = NULL; - } else { - assert(ent->overwrites == NULL); - assert(ent->overwrittenby == NULL); - } - if (is_compound_entity(ent)) { - if (ent->attr.cmpd_attr.val_paths) { - for (i = 0; i < get_compound_ent_n_values(ent); i++) - if (ent->attr.cmpd_attr.val_paths[i]) { - /* free_compound_graph_path(ent->attr.cmpd_attr.val_paths[i]) ; * @@@ warum nich? */ - /* Geht nich: wird mehrfach verwendet!!! ==> mehrfach frei gegeben. */ - /* DEL_ARR_F(ent->attr.cmpd_attr.val_paths); */ - } - ent->attr.cmpd_attr.val_paths = NULL; - } - /* if (ent->attr.cmpd_attr.values) DEL_ARR_F(ent->attr.cmpd_attr.values); *//* @@@ warum nich? */ - 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; - } - } -} - -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)); - - if (old->owner == new_owner) return old; - newe = xmalloc(sizeof(*newe)); - memcpy(newe, old, sizeof(*newe)); - newe->owner = new_owner; - if (is_Class_type(new_owner)) { - newe->overwrites = NEW_ARR_F(ir_entity *, 0); - newe->overwrittenby = NEW_ARR_F(ir_entity *, 0); - } +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(); + newe->nr = get_irp_new_node_nr(); #endif + return newe; +} + +/* + * 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); - insert_entity_in_owner(newe); + if (old->owner == new_owner) + return old; - return newe; + /* 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); +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 = xmalloc(sizeof(*newe)); - memcpy(newe, old, sizeof(*newe)); - newe->name = new_name; - newe->ld_name = NULL; - if (is_Class_type(newe->owner)) { - newe->overwrites = DUP_ARR_F(ir_entity *, old->overwrites); - newe->overwrittenby = DUP_ARR_F(ir_entity *, old->overwrittenby); - } -#ifdef DEBUG_libfirm - newe->nr = get_irp_new_node_nr(); -#endif + if (old->name == new_name) + return old; - insert_entity_in_owner (newe); + newe = deep_entity_copy(old); + newe->name = new_name; + newe->ld_name = NULL; + add_compound_member(old->owner, newe); - return newe; + return newe; } +void free_entity(ir_entity *ent) +{ + if (ent->owner != NULL && !is_Array_type(ent->owner)) + remove_compound_member(ent->owner, ent); -void -free_entity (ir_entity *ent) { - assert(ent && ent->kind == k_entity); - free_entity_attrs(ent); - ent->kind = k_BAD; - free(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(ir_entity *ent) { - assert(ent && ent->kind == k_entity); +long get_entity_nr(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); #ifdef DEBUG_libfirm - return ent->nr; + return ent->nr; #else - return (long)PTR_TO_INT(ent); + 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); +const char *(get_entity_name)(const ir_entity *ent) +{ + return _get_entity_name(ent); } -void -(set_entity_ident)(ir_entity *ent, ident *id) { - _set_entity_ident(ent, id); +ident *(get_entity_ident)(const ir_entity *ent) +{ + return _get_entity_ident(ent); } -ir_type * -(get_entity_owner)(ir_entity *ent) { - return _get_entity_owner(ent); +void (set_entity_ident)(ir_entity *ent, ident *id) +{ + _set_entity_ident(ent, id); } -void -set_entity_owner(ir_entity *ent, ir_type *owner) { - assert(is_entity(ent)); - assert(is_compound_type(owner)); - ent->owner = owner; +ir_type *(get_entity_owner)(const ir_entity *ent) +{ + return _get_entity_owner(ent); } -ident * -(get_entity_ld_ident)(ir_entity *ent) { - return _get_entity_ld_ident(ent); -} +void set_entity_owner(ir_entity *ent, ir_type *owner) +{ + assert(is_entity(ent)); + assert(is_compound_type(owner)); -void -(set_entity_ld_ident)(ir_entity *ent, ident *ld_ident) { - _set_entity_ld_ident(ent, ld_ident); + remove_compound_member(ent->owner, ent); + add_compound_member(owner, ent); + ent->owner = owner; } -const char * -(get_entity_ld_name)(ir_entity *ent) { - return _get_entity_ld_name(ent); +ident *(get_entity_ld_ident)(const ir_entity *ent) +{ + return _get_entity_ld_ident(ent); } -ir_type * -(get_entity_type)(ir_entity *ent) { - return _get_entity_type(ent); +void (set_entity_ld_ident)(ir_entity *ent, ident *ld_ident) +{ + _set_entity_ld_ident(ent, ld_ident); } -void -(set_entity_type)(ir_entity *ent, ir_type *type) { - _set_entity_type(ent, type); +const char *(get_entity_ld_name)(const ir_entity *ent) +{ + return _get_entity_ld_name(ent); } -ir_allocation -(get_entity_allocation)(const ir_entity *ent) { - return _get_entity_allocation(ent); +int entity_has_ld_ident(const ir_entity *entity) +{ + return entity->ld_name != NULL; } -void -(set_entity_allocation)(ir_entity *ent, ir_allocation al) { - _set_entity_allocation(ent, al); +ir_type *(get_entity_type)(const ir_entity *ent) +{ + return _get_entity_type(ent); } -/* return the name of the visibility */ -const char *get_allocation_name(ir_allocation all) +void (set_entity_type)(ir_entity *ent, ir_type *type) { -#define X(a) case a: return #a - switch (all) { - X(allocation_automatic); - X(allocation_parameter); - X(allocation_dynamic); - X(allocation_static); - default: return "BAD VALUE"; - } -#undef X + _set_entity_type(ent, type); } - -ir_visibility -(get_entity_visibility)(const ir_entity *ent) { - return _get_entity_visibility(ent); +ir_volatility (get_entity_volatility)(const ir_entity *ent) +{ + return _get_entity_volatility(ent); } -void -set_entity_visibility(ir_entity *ent, ir_visibility vis) { - assert(ent && ent->kind == k_entity); - if (vis != visibility_local) - assert((ent->allocation == allocation_static) || - (ent->allocation == allocation_automatic)); - /* @@@ Test that the owner type is not local, but how?? - && get_class_visibility(get_entity_owner(ent)) != local));*/ - ent->visibility = vis; +void (set_entity_volatility)(ir_entity *ent, ir_volatility vol) +{ + _set_entity_volatility(ent, vol); } -/* return the name of the visibility */ -const char *get_visibility_name(ir_visibility vis) +/* Return the name of the volatility. */ +const char *get_volatility_name(ir_volatility var) { #define X(a) case a: return #a - switch (vis) { - X(visibility_local); - X(visibility_external_visible); - X(visibility_external_allocated); + switch (var) { + X(volatility_non_volatile); + X(volatility_is_volatile); default: return "BAD VALUE"; - } + } #undef X } -ir_variability -(get_entity_variability)(const ir_entity *ent) { - return _get_entity_variability(ent); +ir_align (get_entity_aligned)(const ir_entity *ent) +{ + return _get_entity_aligned(ent); } -void -set_entity_variability (ir_entity *ent, ir_variability var) +void (set_entity_aligned)(ir_entity *ent, ir_align a) { - assert(ent && ent->kind == k_entity); - if (var == variability_part_constant) - assert(is_Class_type(ent->type) || is_Struct_type(ent->type)); + _set_entity_aligned(ent, a); +} - if ((is_compound_type(ent->type)) && - (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) { - /* Allocate data structures for constant values */ - ent->attr.cmpd_attr.values = NEW_ARR_F(ir_node *, 0); - ent->attr.cmpd_attr.val_paths = NEW_ARR_F(compound_graph_path *, 0); - } - if ((is_atomic_type(ent->type)) && - (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) { - /* Set default constant value. */ - ent->value = new_rd_Unknown(get_const_code_irg(), get_type_mode(ent->type)); - } +unsigned (get_entity_alignment)(const ir_entity *ent) +{ + return _get_entity_alignment(ent); +} - if ((is_compound_type(ent->type)) && - (var == variability_uninitialized) && (ent->variability != variability_uninitialized)) { - /* Free data structures for constant values */ - DEL_ARR_F(ent->attr.cmpd_attr.values); ent->attr.cmpd_attr.values = NULL; - DEL_ARR_F(ent->attr.cmpd_attr.val_paths); ent->attr.cmpd_attr.val_paths = NULL; - } - ent->variability = var; +void (set_entity_alignment)(ir_entity *ent, unsigned alignment) +{ + _set_entity_alignment(ent, alignment); } -/* return the name of the variability */ -const char *get_variability_name(ir_variability var) +/* Return the name of the alignment. */ +const char *get_align_name(ir_align a) { #define X(a) case a: return #a - switch (var) { - X(variability_uninitialized); - X(variability_initialized); - X(variability_part_constant); - X(variability_constant); - default: return "BAD VALUE"; - } + switch (a) { + X(align_non_aligned); + X(align_is_aligned); + default: return "BAD VALUE"; + } #undef X } -ir_volatility -(get_entity_volatility)(const ir_entity *ent) { - return _get_entity_volatility(ent); +void set_entity_label(ir_entity *ent, ir_label_t label) +{ + ent->attr.code_attr.label = label; } -void -(set_entity_volatility)(ir_entity *ent, ir_volatility vol) { - _set_entity_volatility(ent, vol); +ir_label_t get_entity_label(const ir_entity *ent) +{ + return ent->attr.code_attr.label; } -/* return the name of the volatility */ -const char *get_volatility_name(ir_volatility var) +static void verify_visibility(const ir_entity *entity) { -#define X(a) case a: return #a - switch (var) { - X(volatility_non_volatile); - X(volatility_is_volatile); - default: return "BAD VALUE"; - } -#undef X + if (get_entity_visibility(entity) == ir_visibility_external + && !is_method_entity(entity)) { + assert(!entity_has_definition(entity)); + } } -ir_peculiarity -(get_entity_peculiarity)(const ir_entity *ent) { - return _get_entity_peculiarity(ent); +void set_entity_visibility(ir_entity *entity, ir_visibility visibility) +{ + entity->visibility = visibility; + verify_visibility(entity); } -void -(set_entity_peculiarity)(ir_entity *ent, ir_peculiarity pec) { - _set_entity_peculiarity(ent, pec); +ir_visibility get_entity_visibility(const ir_entity *entity) +{ + return (ir_visibility)entity->visibility; } -/* Checks if an entity cannot be overridden anymore. */ -int (get_entity_final)(const ir_entity *ent) { - return _get_entity_final(ent); +void set_entity_linkage(ir_entity *entity, ir_linkage linkage) +{ + entity->linkage = linkage; } -/* Sets/resets the final flag of an entity. */ -void (set_entity_final)(ir_entity *ent, int final) { - _set_entity_final(ent, final); +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) { - assert(is_entity(ent)); - return ent->compiler_gen; +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) { - assert(is_entity(ent)); - ent->compiler_gen = flag ? 1 : 0; +void (set_entity_compiler_generated)(ir_entity *ent, int flag) +{ + _set_entity_compiler_generated(ent, flag); } -/* Get the entity's stickyness */ -ir_stickyness -(get_entity_stickyness)(const ir_entity *ent) { - return _get_entity_stickyness(ent); +ir_entity_usage (get_entity_usage)(const ir_entity *ent) +{ + return _get_entity_usage(ent); } -/* Set the entity's stickyness */ -void -(set_entity_stickyness)(ir_entity *ent, ir_stickyness stickyness) { - _set_entity_stickyness(ent, stickyness); +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 *ent) +ir_node *get_atomic_ent_value(ir_entity *entity) { - assert(ent && is_atomic_entity(ent)); - assert(ent->variability != variability_uninitialized); - return skip_Id (ent->value); + 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: { + ir_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 *ent, ir_node *val) { - assert(is_atomic_entity(ent) && (ent->variability != variability_uninitialized)); - if (is_Method_type(ent->type) && (ent->peculiarity == peculiarity_existent)) - return; - ent->value = val; +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; +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; } /* * Copies a firm subgraph that complies to the restrictions for - * constant expressions to current_block in current_ir_graph. + * constant expressions to block. */ -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, m, get_Const_tarval(n), get_Const_type(n)); - break; - case iro_SymConst: - nn = new_d_SymConst_type(dbg, 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_d_Unknown(m); break; - default: - DDMN(n); - assert(0 && "opcode invalid or not implemented"); - nn = NULL; - break; - } - return nn; -} - -/* Creates a new compound graph path. */ -compound_graph_path * -new_compound_graph_path(ir_type *tp, int length) { - compound_graph_path *res; - - assert(is_compound_type(tp)); - assert(length > 0); - - res = xmalloc(sizeof(*res) + (length-1) * sizeof(res->list[0])); - memset(res, 0, sizeof(*res) + (length-1) * sizeof(res->list[0])); - res->kind = k_ir_compound_graph_path; - res->tp = tp; - res->len = length; - - return res; -} - -/* Frees an graph path object */ -void free_compound_graph_path (compound_graph_path *gr) { - assert(gr && is_compound_graph_path(gr)); - gr->kind = k_BAD; - free(gr); -} - -/* Returns non-zero if an object is a compound graph path */ -int is_compound_graph_path(const void *thing) { - return (get_kind(thing) == k_ir_compound_graph_path); -} - -/* Checks whether the path up to pos is correct. If the path contains a NULL, - * assumes the path is not complete and returns 'true'. */ -int is_proper_compound_graph_path(compound_graph_path *gr, int pos) { - int i; - ir_entity *node; - ir_type *owner = gr->tp; - - for (i = 0; i <= pos; i++) { - node = get_compound_graph_path_node(gr, i); - if (node == NULL) - /* Path not yet complete. */ - return 1; - if (get_entity_owner(node) != owner) - return 0; - owner = get_entity_type(node); - } - if (pos == get_compound_graph_path_length(gr)) - if (!is_atomic_type(owner)) - return 0; - return 1; -} - -/* Returns the length of a graph path */ -int get_compound_graph_path_length(const compound_graph_path *gr) { - assert(gr && is_compound_graph_path(gr)); - return gr->len; -} - -ir_entity * -get_compound_graph_path_node(const compound_graph_path *gr, int pos) { - assert(gr && is_compound_graph_path(gr)); - assert(pos >= 0 && pos < gr->len); - return gr->list[pos].node; -} - -void -set_compound_graph_path_node(compound_graph_path *gr, int pos, ir_entity *node) { - assert(gr && is_compound_graph_path(gr)); - assert(pos >= 0 && pos < gr->len); - assert(is_entity(node)); - gr->list[pos].node = node; - assert(is_proper_compound_graph_path(gr, pos)); -} - -int -get_compound_graph_path_array_index(const compound_graph_path *gr, int pos) { - assert(gr && is_compound_graph_path(gr)); - assert(pos >= 0 && pos < gr->len); - return gr->list[pos].index; -} - -void -set_compound_graph_path_array_index(compound_graph_path *gr, int pos, int index) { - assert(gr && is_compound_graph_path(gr)); - assert(pos >= 0 && pos < gr->len); - gr->list[pos].index = index; -} - -/* A value of a compound entity is a pair of value and the corresponding path to a member of - the compound. */ -void -add_compound_ent_value_w_path(ir_entity *ent, ir_node *val, compound_graph_path *path) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - assert(is_compound_graph_path(path)); - ARR_APP1(ir_node *, ent->attr.cmpd_attr.values, val); - ARR_APP1(compound_graph_path *, ent->attr.cmpd_attr.val_paths, path); +ir_node *copy_const_value(dbg_info *dbg, ir_node *n, ir_node *block) +{ + ir_graph *irg = get_irn_irg(block); + 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_rd_Const(dbg, irg, get_Const_tarval(n)); + break; + case iro_SymConst: + nn = new_rd_SymConst(dbg, irg, get_irn_mode(n), get_SymConst_symbol(n), get_SymConst_kind(n)); + break; + case iro_Add: + nn = new_rd_Add(dbg, block, + copy_const_value(dbg, get_Add_left(n), block), + copy_const_value(dbg, get_Add_right(n), block), m); + break; + case iro_Sub: + nn = new_rd_Sub(dbg, block, + copy_const_value(dbg, get_Sub_left(n), block), + copy_const_value(dbg, get_Sub_right(n), block), m); + break; + case iro_Mul: + nn = new_rd_Mul(dbg, block, + copy_const_value(dbg, get_Mul_left(n), block), + copy_const_value(dbg, get_Mul_right(n), block), m); + break; + case iro_And: + nn = new_rd_And(dbg, block, + copy_const_value(dbg, get_And_left(n), block), + copy_const_value(dbg, get_And_right(n), block), m); + break; + case iro_Or: + nn = new_rd_Or(dbg, block, + copy_const_value(dbg, get_Or_left(n), block), + copy_const_value(dbg, get_Or_right(n), block), m); + break; + case iro_Eor: + nn = new_rd_Eor(dbg, block, + copy_const_value(dbg, get_Eor_left(n), block), + copy_const_value(dbg, get_Eor_right(n), block), m); + break; + case iro_Cast: + nn = new_rd_Cast(dbg, block, + copy_const_value(dbg, get_Cast_op(n), block), + get_Cast_type(n)); + break; + case iro_Conv: + nn = new_rd_Conv(dbg, block, + copy_const_value(dbg, get_Conv_op(n), block), m); + break; + case iro_Unknown: + nn = new_r_Unknown(irg, m); break; + default: + panic("opcode invalid or not implemented"); + } + return nn; } -void -set_compound_ent_value_w_path(ir_entity *ent, ir_node *val, compound_graph_path *path, int pos) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - assert(is_compound_graph_path(path)); - assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.values)); - ent->attr.cmpd_attr.values[pos] = val; - ent->attr.cmpd_attr.val_paths[pos] = path; +/** 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 } -int -get_compound_ent_n_values(ir_entity *ent) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - return ARR_LEN(ent->attr.cmpd_attr.values); +static ir_initializer_t null_initializer = { IR_INITIALIZER_NULL }; + +ir_initializer_t *get_initializer_null(void) +{ + return &null_initializer; } -ir_node * -get_compound_ent_value(ir_entity *ent, int pos) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.values)); - return ent->attr.cmpd_attr.values[pos]; +ir_initializer_t *create_initializer_const(ir_node *value) +{ + struct obstack *obst = get_irg_obstack(get_const_code_irg()); + + ir_initializer_t *initializer + = (ir_initializer_t*)OALLOC(obst, ir_initializer_const_t); + initializer->kind = IR_INITIALIZER_CONST; + initializer->consti.value = value; + + return initializer; } -compound_graph_path * -get_compound_ent_value_path(ir_entity *ent, int pos) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - assert(0 <= pos && pos < ARR_LEN(ent->attr.cmpd_attr.val_paths)); - return ent->attr.cmpd_attr.val_paths[pos]; +ir_initializer_t *create_initializer_tarval(ir_tarval *tv) +{ + struct obstack *obst = get_irg_obstack(get_const_code_irg()); + + ir_initializer_t *initializer + = (ir_initializer_t*)OALLOC(obst, ir_initializer_tarval_t); + initializer->kind = IR_INITIALIZER_TARVAL; + initializer->tarval.value = tv; + + return initializer; } -/** - * Returns non-zero, if two compound_graph_pathes are equal - */ -static int equal_paths(compound_graph_path *path1, int *visited_indices, compound_graph_path *path2) { - int i; - int len1 = get_compound_graph_path_length(path1); - int len2 = get_compound_graph_path_length(path2); - - if (len2 > len1) return 0; - - for (i = 0; i < len1; i++) { - ir_type *tp; - ir_entity *node1 = get_compound_graph_path_node(path1, i); - ir_entity *node2 = get_compound_graph_path_node(path2, i); - - if (node1 != node2) return 0; - - tp = get_entity_owner(node1); - if (is_Array_type(tp)) { - long low; - - /* Compute the index of this node. */ - assert(get_array_n_dimensions(tp) == 1 && "multidim not implemented"); - - low = get_array_lower_bound_int(tp, 0); - if (low + visited_indices[i] < get_compound_graph_path_array_index(path2, i)) { - visited_indices[i]++; - return 0; - } - else - assert(low + visited_indices[i] == get_compound_graph_path_array_index(path2, i)); - } - } - return 1; -} - -/* Returns the position of a value with the given path. - * The path must contain array indices for all array element entities. */ -int get_compound_ent_pos_by_path(ir_entity *ent, compound_graph_path *path) { - int i, n_paths = get_compound_ent_n_values(ent); - int *visited_indices; - int path_len = get_compound_graph_path_length(path); - - NEW_ARR_A(int *, visited_indices, path_len); - memset(visited_indices, 0, sizeof(*visited_indices) * path_len); - for (i = 0; i < n_paths; i ++) { - if (equal_paths(get_compound_ent_value_path(ent, i), visited_indices, path)) - return i; - } - -#if 0 - { - int j; - printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); - printf("Entity %s : ", get_entity_name(ent)); - for (j = 0; j < get_compound_graph_path_length(path); ++j) { - ir_entity *node = get_compound_graph_path_node(path, j); - printf("%s", get_entity_name(node)); - if (is_Array_type(get_entity_owner(node))) - printf("[%d]", get_compound_graph_path_array_index(path, j)); - } - printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); - } -#endif +ir_initializer_t *create_initializer_compound(unsigned n_entries) +{ + struct obstack *obst = get_irg_obstack(get_const_code_irg()); - assert(0 && "path not found"); - return -1; -} - -/* Returns a constant value given the access path. - * The path must contain array indices for all array element entities. */ -ir_node *get_compound_ent_value_by_path(ir_entity *ent, compound_graph_path *path) { - return get_compound_ent_value(ent, get_compound_ent_pos_by_path(ent, path)); -} - - -void -remove_compound_ent_value(ir_entity *ent, ir_entity *value_ent) { - int i; - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - for (i = 0; i < (ARR_LEN(ent->attr.cmpd_attr.val_paths)); ++i) { - compound_graph_path *path = ent->attr.cmpd_attr.val_paths[i]; - if (path->list[path->len-1].node == value_ent) { - for (; i < (ARR_LEN(ent->attr.cmpd_attr.val_paths))-1; ++i) { - ent->attr.cmpd_attr.val_paths[i] = ent->attr.cmpd_attr.val_paths[i+1]; - ent->attr.cmpd_attr.values[i] = ent->attr.cmpd_attr.values[i+1]; - } - ARR_SETLEN(ir_entity*, ent->attr.cmpd_attr.val_paths, ARR_LEN(ent->attr.cmpd_attr.val_paths) - 1); - ARR_SETLEN(ir_node*, ent->attr.cmpd_attr.values, ARR_LEN(ent->attr.cmpd_attr.values) - 1); - break; - } - } -} - -void -add_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member) { - compound_graph_path *path; - ir_type *owner_tp = get_entity_owner(member); - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - path = new_compound_graph_path(get_entity_type(ent), 1); - path->list[0].node = member; - if (is_Array_type(owner_tp)) { - int max; - int i, n; - - assert(get_array_n_dimensions(owner_tp) == 1 && has_array_lower_bound(owner_tp, 0)); - max = get_array_lower_bound_int(owner_tp, 0) -1; - for (i = 0, n = get_compound_ent_n_values(ent); i < n; ++i) { - int index = get_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0); - if (index > max) { - max = index; - } - } - path->list[0].index = max + 1; - } - add_compound_ent_value_w_path(ent, val, path); -} - -/* 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. -void -copy_and_add_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member) { - ir_graph *rem = current_ir_graph; - - assert(get_entity_variability(ent) != variability_uninitialized); - current_ir_graph = get_const_code_irg(); - - val = copy_const_value(val); - add_compound_ent_value(ent, val, member); - current_ir_graph = rem; - }*/ - -/* Copies the value i of the entity to current_block in current_ir_graph. -ir_node * -copy_compound_ent_value(ir_entity *ent, int pos) { - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - return copy_const_value(ent->values[pos+1]); - }*/ - -ir_entity * -get_compound_ent_value_member(ir_entity *ent, int pos) { - compound_graph_path *path; - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - path = get_compound_ent_value_path(ent, pos); - - return get_compound_graph_path_node(path, get_compound_graph_path_length(path)-1); -} - -void -set_compound_ent_value(ir_entity *ent, ir_node *val, ir_entity *member, int pos) { - compound_graph_path *path; - assert(is_compound_entity(ent) && (ent->variability != variability_uninitialized)); - path = get_compound_ent_value_path(ent, pos); - set_compound_graph_path_node(path, 0, member); - set_compound_ent_value_w_path(ent, val, path, pos); -} - -void -set_array_entity_values(ir_entity *ent, tarval **values, int num_vals) { - int i; - ir_graph *rem = current_ir_graph; - ir_type *arrtp = get_entity_type(ent); - ir_node *val; - ir_type *elttp = get_array_element_type(arrtp); - - assert(is_Array_type(arrtp)); - assert(get_array_n_dimensions(arrtp) == 1); - /* One bound is sufficient, the number of constant fields makes the - size. */ - assert(get_array_lower_bound (arrtp, 0) || get_array_upper_bound (arrtp, 0)); - assert(get_entity_variability(ent) != variability_uninitialized); - current_ir_graph = get_const_code_irg(); - - for (i = 0; i < num_vals; i++) { - val = new_Const_type(values[i], elttp); - add_compound_ent_value(ent, val, get_array_element_entity(arrtp)); - set_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0, i); - } - current_ir_graph = rem; -} - -int get_compound_ent_value_offset_bytes(ir_entity *ent, int pos) { - compound_graph_path *path; - int path_len, i; - int offset = 0; - - assert(get_type_state(get_entity_type(ent)) == layout_fixed); - - path = get_compound_ent_value_path(ent, pos); - path_len = get_compound_graph_path_length(path); - - for (i = 0; i < path_len; ++i) { - ir_entity *node = get_compound_graph_path_node(path, i); - ir_type *node_tp = get_entity_type(node); - ir_type *owner_tp = get_entity_owner(node); - - if (owner_tp != NULL && is_Array_type(owner_tp)) { - int size = get_type_size_bits(node_tp); - int align = get_type_alignment_bits(node_tp); - if(size % align > 0) { - size += align - (size % align); - } - assert(size % 8 == 0); - size /= 8; - offset += size * get_compound_graph_path_array_index(path, i - 1); - } else { - int node_offset = get_entity_offset_bits(node); - - if(node_offset % 8 != 0) { - assert(i == path_len - 1); - } - offset += node_offset / 8; - } + size_t i; + size_t size = sizeof(ir_initializer_compound_t) + + (n_entries-1) * sizeof(ir_initializer_t*); + + ir_initializer_t *initializer + = (ir_initializer_t*)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 offset; + return initializer; } -int get_compound_ent_value_offset_bit_part(ir_entity *ent, int pos) { - compound_graph_path *path; - int path_len; - int offset = 0; - ir_entity *last_node; +ir_node *get_initializer_const_value(const ir_initializer_t *initializer) +{ + assert(initializer->kind == IR_INITIALIZER_CONST); + return skip_Id(initializer->consti.value); +} - assert(get_type_state(get_entity_type(ent)) == layout_fixed); +ir_tarval *get_initializer_tarval_value(const ir_initializer_t *initializer) +{ + assert(initializer->kind == IR_INITIALIZER_TARVAL); + return initializer->tarval.value; +} - path = get_compound_ent_value_path(ent, pos); - path_len = get_compound_graph_path_length(path); - last_node = get_compound_graph_path_node(path, path_len - 1); +unsigned get_initializer_compound_n_entries(const ir_initializer_t *initializer) +{ + assert(initializer->kind == IR_INITIALIZER_COMPOUND); + return initializer->compound.n_initializers; +} - offset = get_entity_offset_bits(last_node); - if(offset < 0) - return 0; +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); - return offset % 8; + initializer->compound.initializers[index] = value; } -typedef struct { - /** number of elements the array can hold */ - int n_elems; - /** current array index */ - int current_elem; - ir_entity *ent; -} array_info; - -/* Compute the array indices in compound graph paths of initialized entities. - * - * All arrays must have fixed lower and upper bounds. One array can - * have an open bound. If there are several open bounds, we do - * nothing. There must be initializer elements for all array - * elements. Uses the link field in the array element entities. The - * array bounds must be representable as ints. - * - * WARNING: it is impossible to get this 100% right with the current - * design... (in array of structs you cant know when a struct is - * really finished and the next array element starts) - * - * (If the bounds are not representable as ints we have to represent - * the indices as firm nodes. But still we must be able to - * evaluate the index against the upper bound.) - */ -int compute_compound_ent_array_indices(ir_entity *ent) { - ir_type *tp = get_entity_type(ent); - int i, n_vals; - int max_len = 0; - array_info *array_infos; +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); - assert(is_compound_type(tp)); + return initializer->compound.initializers[index]; +} - if (!is_compound_type(tp) || - (ent->variability == variability_uninitialized)) - return 1; +ir_initializer_kind_t get_initializer_kind(const ir_initializer_t *initializer) +{ + return initializer->kind; +} - n_vals = get_compound_ent_n_values(ent); - for(i = 0; i < n_vals; ++i) { - compound_graph_path *path = get_compound_ent_value_path(ent, i); - int len = get_compound_graph_path_length(path); - if(len > max_len) - max_len = len; +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 +} - array_infos = alloca(max_len * sizeof(array_infos[0])); - memset(array_infos, 0, max_len * sizeof(array_infos[0])); - - for(i = 0; i < n_vals; ++i) { - compound_graph_path *path = get_compound_ent_value_path(ent, i); - int path_len = get_compound_graph_path_length(path); - int j; - int needadd = 0; - ir_entity *prev_node = NULL; - - for(j = path_len-1; j >= 0; --j) { - int dim, dims; - int n_elems; - ir_entity *node = get_compound_graph_path_node(path, j); - const ir_type *node_type = get_entity_type(node); - array_info *info = &array_infos[j]; - - if(is_atomic_entity(node)) { - needadd = 1; - set_compound_graph_path_array_index(path, j, -1); - prev_node = node; - continue; - } else if(is_compound_type(node_type) && !is_Array_type(node_type)) { - int n_members = get_compound_n_members(node_type); - ir_entity *last = get_compound_member(node_type, n_members - 1); - if(needadd && last == prev_node) { - needadd = 1; - } else { - needadd = 0; - } - set_compound_graph_path_array_index(path, j, -1); - prev_node = node; - continue; - } - - if(info->ent != node) { - n_elems = 1; - dims = get_array_n_dimensions(node_type); - for(dim = 0; dim < dims; ++dim) { - long lower_bound = 0; - long upper_bound = -1; - - if(has_array_lower_bound(node_type, 0)) { - lower_bound = get_array_lower_bound_int(node_type, 0); - } - if(has_array_upper_bound(node_type, 0)) { - upper_bound = get_array_upper_bound_int(node_type, 0); - assert(upper_bound >= lower_bound); - n_elems *= (upper_bound - lower_bound); - } else { - assert(dim == dims-1); - n_elems = -1; - } - } - - info->ent = node; - info->n_elems = n_elems; - info->current_elem = 0; - } - - set_compound_graph_path_array_index(path, j, info->current_elem); - - if(needadd) { - info->current_elem++; - if(info->current_elem >= info->n_elems) { - needadd = 1; - info->current_elem = 0; - } else { - needadd = 0; - } - } - - prev_node = node; - } - } +void set_entity_initializer(ir_entity *entity, ir_initializer_t *initializer) +{ + entity->initializer = initializer; + check_entity_initializer(entity); +} - return 1; +int has_entity_initializer(const ir_entity *entity) +{ + return entity->initializer != NULL; } -int -(get_entity_offset_bytes)(const ir_entity *ent) { - return _get_entity_offset_bytes(ent); +ir_initializer_t *get_entity_initializer(const ir_entity *entity) +{ + return entity->initializer; } -int -(get_entity_offset_bits)(const ir_entity *ent) { - return _get_entity_offset_bits(ent); +int (get_entity_offset)(const ir_entity *ent) +{ + return _get_entity_offset(ent); } -void -(set_entity_offset_bytes)(ir_entity *ent, int offset) { - _set_entity_offset_bytes(ent, offset); +void (set_entity_offset)(ir_entity *ent, int offset) +{ + _set_entity_offset(ent, offset); } -void -(set_entity_offset_bits)(ir_entity *ent, int offset) { - _set_entity_offset_bits(ent, offset); +unsigned char (get_entity_offset_bits_remainder)(const ir_entity *ent) +{ + return _get_entity_offset_bits_remainder(ent); } -void -add_entity_overwrites(ir_entity *ent, ir_entity *overwritten) { -#ifndef NDEBUG - ir_type *owner = get_entity_owner(ent); - ir_type *ovw_ovner = get_entity_owner(overwritten); - assert(is_Class_type(owner)); - assert(is_Class_type(ovw_ovner)); - assert(! is_class_final(ovw_ovner)); -#endif /* NDEBUG */ - ARR_APP1(ir_entity *, ent->overwrites, overwritten); - ARR_APP1(ir_entity *, overwritten->overwrittenby, ent); -} +void (set_entity_offset_bits_remainder)(ir_entity *ent, unsigned char offset) +{ + _set_entity_offset_bits_remainder(ent, offset); +} -int -get_entity_n_overwrites(ir_entity *ent) { - assert(is_Class_type(get_entity_owner(ent))); - return (ARR_LEN(ent->overwrites)); +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_overwrites_index(ir_entity *ent, ir_entity *overwritten) { - int i; - assert(is_Class_type(get_entity_owner(ent))); - for (i = 0; i < get_entity_n_overwrites(ent); i++) - if (get_entity_overwrites(ent, i) == overwritten) - return i; - return -1; -} - -ir_entity * -get_entity_overwrites (ir_entity *ent, int pos) { - assert(is_Class_type(get_entity_owner(ent))); - assert(pos < get_entity_n_overwrites(ent)); - return ent->overwrites[pos]; -} - -void -set_entity_overwrites (ir_entity *ent, int pos, ir_entity *overwritten) { - assert(is_Class_type(get_entity_owner(ent))); - assert(pos < get_entity_n_overwrites(ent)); - ent->overwrites[pos] = overwritten; +size_t get_entity_n_overwrites(const ir_entity *ent) +{ + if (ent->overwrites == NULL) + return 0; + return ARR_LEN(ent->overwrites); } - -void -remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten) { - int i; - assert(is_Class_type(get_entity_owner(ent))); - for (i = 0; i < (ARR_LEN (ent->overwrites)); i++) - if (ent->overwrites[i] == overwritten) { - for(; i < (ARR_LEN (ent->overwrites))-1; i++) - ent->overwrites[i] = ent->overwrites[i+1]; - ARR_SETLEN(ir_entity*, ent->overwrites, ARR_LEN(ent->overwrites) - 1); - break; - } + +size_t get_entity_overwrites_index(const ir_entity *ent, ir_entity *overwritten) +{ + size_t i; + size_t n = get_entity_n_overwrites(ent); + for (i = 0; i < n; ++i) { + if (get_entity_overwrites(ent, i) == overwritten) + return i; + } + return (size_t)-1; } -void -add_entity_overwrittenby (ir_entity *ent, ir_entity *overwrites) { - add_entity_overwrites(overwrites, ent); +ir_entity *get_entity_overwrites(const ir_entity *ent, size_t pos) +{ + assert(pos < get_entity_n_overwrites(ent)); + return ent->overwrites[pos]; } -int -get_entity_n_overwrittenby (ir_entity *ent) { - assert(is_Class_type(get_entity_owner(ent))); - return (ARR_LEN (ent->overwrittenby)); +void set_entity_overwrites(ir_entity *ent, size_t pos, ir_entity *overwritten) +{ + assert(pos < get_entity_n_overwrites(ent)); + ent->overwrites[pos] = overwritten; } -int -get_entity_overwrittenby_index(ir_entity *ent, ir_entity *overwrites) { - int i; - assert(is_Class_type(get_entity_owner(ent))); - for (i = 0; i < get_entity_n_overwrittenby(ent); i++) - if (get_entity_overwrittenby(ent, i) == overwrites) - return i; - return -1; +void remove_entity_overwrites(ir_entity *ent, ir_entity *overwritten) +{ + size_t i; + size_t 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; + } + } } -ir_entity * -get_entity_overwrittenby (ir_entity *ent, int pos) { - assert(is_Class_type(get_entity_owner(ent))); - assert(pos < get_entity_n_overwrittenby(ent)); - return ent->overwrittenby[pos]; + +size_t get_entity_n_overwrittenby(const ir_entity *ent) +{ + if (ent->overwrittenby == NULL) + return 0; + return ARR_LEN(ent->overwrittenby); } -void -set_entity_overwrittenby (ir_entity *ent, int pos, ir_entity *overwrites) { - assert(is_Class_type(get_entity_owner(ent))); - assert(pos < get_entity_n_overwrittenby(ent)); - ent->overwrittenby[pos] = overwrites; +size_t get_entity_overwrittenby_index(const ir_entity *ent, + ir_entity *overwrites) +{ + size_t i; + size_t n = get_entity_n_overwrittenby(ent); + for (i = 0; i < n; ++i) { + if (get_entity_overwrittenby(ent, i) == overwrites) + return i; + } + return (size_t)-1; } -void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites) { - int i; - assert(is_Class_type(get_entity_owner(ent))); - for (i = 0; i < (ARR_LEN (ent->overwrittenby)); i++) - if (ent->overwrittenby[i] == overwrites) { - for(; i < (ARR_LEN (ent->overwrittenby))-1; i++) - ent->overwrittenby[i] = ent->overwrittenby[i+1]; - ARR_SETLEN(ir_entity*, ent->overwrittenby, ARR_LEN(ent->overwrittenby) - 1); - break; - } +ir_entity *get_entity_overwrittenby(const ir_entity *ent, size_t pos) +{ + assert(pos < get_entity_n_overwrittenby(ent)); + return ent->overwrittenby[pos]; } -/* A link to store intermediate information */ -void * -(get_entity_link)(const ir_entity *ent) { - return _get_entity_link(ent); +void set_entity_overwrittenby(ir_entity *ent, size_t pos, ir_entity *overwrites) +{ + assert(pos < get_entity_n_overwrittenby(ent)); + ent->overwrittenby[pos] = overwrites; } -void -(set_entity_link)(ir_entity *ent, void *l) { - _set_entity_link(ent, l); +void remove_entity_overwrittenby(ir_entity *ent, ir_entity *overwrites) +{ + size_t i; + size_t 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; + } + } } -ir_graph * -(get_entity_irg)(const ir_entity *ent) { - return _get_entity_irg(ent); +void *(get_entity_link)(const ir_entity *ent) +{ + return _get_entity_link(ent); } -void -set_entity_irg(ir_entity *ent, ir_graph *irg) { - assert(is_method_entity(ent)); - /* 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? Wandle die Entitaet in description oder - * inherited um! */ - /* assert(irg); */ - assert((irg && ent->peculiarity == peculiarity_existent) || - (!irg && (ent->peculiarity == peculiarity_existent) - && (ent -> visibility == visibility_external_allocated)) || - (!irg && ent->peculiarity == peculiarity_description) || - (!irg && ent->peculiarity == peculiarity_inherited)); - ent->attr.mtd_attr.irg = irg; +void (set_entity_link)(ir_entity *ent, void *l) +{ + _set_entity_link(ent, l); } -unsigned get_entity_vtable_number(ir_entity *ent) { - assert(is_method_entity(ent)); - return ent->attr.mtd_attr.vtable_number; +ir_graph *(get_entity_irg)(const ir_entity *ent) +{ + return _get_entity_irg(ent); } -void set_entity_vtable_number(ir_entity *ent, unsigned vtable_number) { - assert(is_method_entity(ent)); - ent->attr.mtd_attr.vtable_number = vtable_number; +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; } -/* Returns the section of a method. */ -ir_img_section get_method_img_section(const ir_entity *ent) { - assert(is_method_entity(ent)); - return ent->attr.mtd_attr.section; +unsigned get_entity_vtable_number(const ir_entity *ent) +{ + assert(is_method_entity((ir_entity *)ent)); + return ent->attr.mtd_attr.vtable_number; } -/* Sets the section of a method. */ -void set_method_img_section(ir_entity *ent, ir_img_section section) { - assert(is_method_entity(ent)); - ent->attr.mtd_attr.section = section; +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_entity)(const void *thing) { - return _is_entity(thing); +int (is_entity)(const void *thing) +{ + return _is_entity(thing); } -int is_atomic_entity(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); +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); } -int is_compound_entity(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_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(ir_entity *ent) { - ir_type *t = get_entity_type(ent); - return is_Method_type(t); +int is_method_entity(const ir_entity *ent) +{ + ir_type *t = get_entity_type(ent); + return is_Method_type(t); } -/** - * @todo not implemented!!! */ -int equal_entity(ir_entity *ent1, ir_entity *ent2) { - fprintf(stderr, " calling unimplemented equal entity!!! \n"); - return 1; +ir_visited_t (get_entity_visited)(const ir_entity *ent) +{ + return _get_entity_visited(ent); } +void (set_entity_visited)(ir_entity *ent, ir_visited_t num) +{ + _set_entity_visited(ent, num); +} -unsigned long (get_entity_visited)(ir_entity *ent) { - return _get_entity_visited(ent); +void (mark_entity_visited)(ir_entity *ent) +{ + _mark_entity_visited(ent); } -void (set_entity_visited)(ir_entity *ent, unsigned long num) { - _set_entity_visited(ent, num); +int (entity_visited)(const ir_entity *ent) +{ + return _entity_visited(ent); } -/* Sets visited field in ir_entity to entity_visited. */ -void (mark_entity_visited)(ir_entity *ent) { - _mark_entity_visited(ent); +int (entity_not_visited)(const ir_entity *ent) +{ + return _entity_not_visited(ent); } -int (entity_visited)(ir_entity *ent) { - return _entity_visited(ent); +mtp_additional_properties 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; } -int (entity_not_visited)(ir_entity *ent) { - return _entity_not_visited(ent); +void set_entity_additional_properties(ir_entity *ent, mtp_additional_properties 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; + } } -/* Returns the mask of the additional entity properties. */ -unsigned get_entity_additional_properties(ir_entity *ent) { - ir_graph *irg; +void add_entity_additional_properties(ir_entity *ent, mtp_additional_properties properties) +{ + ir_graph *irg; - assert(is_method_entity(ent)); + assert(is_method_entity(ent)); - /* first check, if the graph has additional properties */ - irg = get_entity_irg(ent); + /* first check, if the graph exists */ + irg = get_entity_irg(ent); + if (irg) + add_irg_additional_properties(irg, properties); + else { + mtp_additional_properties mask = ent->attr.mtd_attr.irg_add_properties; - if (irg) - return get_irg_additional_properties(irg); + if (mask & mtp_property_inherited) + mask = get_method_additional_properties(get_entity_type(ent)); - if (ent->attr.mtd_attr.irg_add_properties & mtp_property_inherited) - return 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 | (properties & ~mtp_property_inherited); + } +} - return ent->attr.mtd_attr.irg_add_properties; +/* 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); } -/* Sets the mask of the additional graph properties. */ -void set_entity_additional_properties(ir_entity *ent, unsigned property_mask) +dbg_info *(get_entity_dbg_info)(const ir_entity *ent) { - ir_graph *irg; + return _get_entity_dbg_info(ent); +} - assert(is_method_entity(ent)); +void (set_entity_dbg_info)(ir_entity *ent, dbg_info *db) +{ + _set_entity_dbg_info(ent, db); +} - /* 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; - } +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); } -/* Sets one additional graph property. */ -void set_entity_additional_property(ir_entity *ent, mtp_additional_property flag) +int entity_has_definition(const ir_entity *entity) { - ir_graph *irg; + return entity->initializer != NULL + || get_entity_irg(entity) != NULL + || entity_has_compound_ent_values(entity); +} - assert(is_method_entity(ent)); +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!"); - /* 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; + 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)); +} - if (mask & mtp_property_inherited) - mask = get_method_additional_properties(get_entity_type(ent)); +void ir_finish_entity(void) +{ + if (unknown_entity != NULL) { + free_entity(unknown_entity); + unknown_entity = NULL; + } +} - /* 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); - } +ir_allocation get_entity_allocation(const ir_entity *entity) +{ + return (ir_allocation)entity->allocation; } -/* 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); +void set_entity_allocation(ir_entity *entity, ir_allocation allocation) +{ + entity->allocation = allocation; } -/* Initialize entity module. */ -void firm_init_entity(void) +ir_peculiarity get_entity_peculiarity(const ir_entity *entity) { - symconst_symbol sym; + return (ir_peculiarity)entity->peculiarity; +} - assert(firm_unknown_type && "Call init_type() before firm_init_entity()!"); - assert(!unknown_entity && "Call firm_init_entity() only once!"); +void set_entity_peculiarity(ir_entity *entity, ir_peculiarity peculiarity) +{ + entity->peculiarity = peculiarity; +} - unknown_entity = new_rd_entity(NULL, firm_unknown_type, new_id_from_str(UNKNOWN_ENTITY_NAME), firm_unknown_type); - set_entity_visibility(unknown_entity, visibility_external_allocated); - set_entity_ld_ident(unknown_entity, get_entity_ident(unknown_entity)); +void set_entity_final(ir_entity *entity, int final) +{ + entity->final = final; +} - current_ir_graph = get_const_code_irg(); - sym.entity_p = unknown_entity; - unknown_entity->value = new_SymConst(sym, symconst_addr_ent); +int is_entity_final(const ir_entity *entity) +{ + return entity->final; }