X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity_t.h;h=120679f1fc8b4c6b75e894edd3ee77c33a0eb914;hb=d700598b67a2640467e8fbd303e321bb832610e2;hp=a5f39b6f495abc948470ee61c2f990fac960b1f3;hpb=94bbcab3411b7f309d30759258697f207509273c;p=libfirm diff --git a/ir/tr/entity_t.h b/ir/tr/entity_t.h index a5f39b6f4..120679f1f 100644 --- a/ir/tr/entity_t.h +++ b/ir/tr/entity_t.h @@ -1,106 +1,462 @@ /* - * Project: libFIRM - * File name: ir/tr/entity_t.h - * Purpose: Representation of all program known entities -- private header. - * Author: Martin Trapp, Christian Schaefer - * Modified by: Goetz Lindenmaier - * Created: - * CVS-ID: $Id$ - * Copyright: (c) 1998-2003 Universität Karlsruhe - * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. + * Copyright (C) 1995-2011 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 -- private header. + * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck + */ +#ifndef FIRM_TR_ENTITY_T_H +#define FIRM_TR_ENTITY_T_H + +#include +#include + +#include "typerep.h" +#include "type_t.h" +#include "ident.h" +#include "compound_path.h" + +typedef struct ir_initializer_base_t { + ir_initializer_kind_t kind; +} ir_initializer_base_t; + /** -* @file entity_t.h -* -* entity.h: entities represent all program known objects. -* -* @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier -* -* An entity is the representation of program known objects in Firm. -* The primary concept of entities is to represent members of complex -* types, i.e., fields and methods of classes. As not all programming -* language model all variables and methods as members of some class, -* the concept of entities is extended to cover also local and global -* variables, and arbitrary procedures. -* -* An entity always specifies the type of the object it represents and -* the type of the object it is a part of, the owner of the entity. -* Originally this is the type of the class of which the entity is a -* member. -* The owner of local variables is the procedure they are defined in. -* The owner of global variables and procedures visible in the whole -* program is a universally defined class type "GlobalType". The owner -* of procedures defined in the scope of an other procedure is the -* enclosing procedure. -*/ - - -# ifndef _ENTITY_T_H_ -# define _ENTITY_T_H_ - -# include "entity.h" - -/** A path in a compund graph. */ -struct compound_graph_path { - firm_kind kind; /**< dynamic type tag for compound graph path. */ - type *tp; - int len; - entity *nodes[1]; + * An compound initializer. + */ +typedef struct ir_initializer_compound_t { + ir_initializer_base_t base; + size_t n_initializers; + ir_initializer_t *initializers[1]; +} ir_initializer_compound_t; + +/** + * An initializer containing an ir_node, + */ +typedef struct ir_initializer_const_t { + ir_initializer_base_t base; + ir_node *value; +} ir_initializer_const_t ; + +/** + * An initializer containing a tarval. + */ +typedef struct ir_initializer_tarval_t { + ir_initializer_base_t base; + ir_tarval *value; +} ir_initializer_tarval_t ; + +union ir_initializer_t { + ir_initializer_kind_t kind; + ir_initializer_base_t base; + ir_initializer_compound_t compound; + ir_initializer_const_t consti; + ir_initializer_tarval_t tarval; }; -/** the type of an entity */ -struct entity { - firm_kind kind; /**< dynamic type tag for entity. */ - ident *name; /**< name of this entity */ - ident *ld_name; /**< Unique name of this entity, i.e., the mangled - name. If the field is read before written a default - magling is applies. The name of the owner is prepended - to the name of the entity, separated by a underscore. - E.g., for a class `A' with field `a' this - is the ident for `A_a'. */ - type *type; /**< The type of this entity, e.g., a method type, a - basic type of the language or a class itself */ - type *owner; /**< The compound type (e.g. class type) this entity belongs to. */ - ent_allocation allocation; /**< Distinguishes static and dynamically allocated - entities and some further cases. */ - ent_visibility visibility; /**< Specifies visibility to external program - fragments */ - ent_variability variability; /**< Specifies variability of entities content */ - ent_volatility volatility; /**< Specifies volatility of entities content */ - ent_stickyness stickyness; /**< Specifies whether this entity is sticky */ - int offset; /**< Offset in byte for this entity. Fixed when layout - of owner is determined. */ - void *link; /**< To store some intermediate information */ - unsigned long visit; /**< visited counter for walks of the type information */ - struct dbg_info* dbi; /**< A pointer to information for debug support. */ - - /* ------------- fields for atomic entities ---------------*/ - ir_node *value; /**< value if entity is not of variability uninitialized. - Only for atomic entities. */ - - /* ------------- fields for compound entities ---------------*/ - ir_node **values; /**< constant values of compound entities. Only available if - variablility not uninitialized. Must be set for variability constant - */ - compound_graph_path **val_paths; /**< paths corresponding to constant values. Only available if - variablility not uninitialized. Must be set for variability constant */ - - /* ------------- fields for entities owned by a class type ---------------*/ - entity **overwrites; /**< A list of entities this entity overwrites. */ - entity **overwrittenby; /**< A list of entities that overwrite this entity. */ - - /* ------------- fields for methods ---------------*/ - enum peculiarity peculiarity; - ir_graph *irg; /**< If (type == method_type) this is the corresponding irg. - The ir_graph constructor automatically sets this field. - Yes, it must be here. */ +/** The attributes for compound entities. */ +typedef struct compound_ent_attr { + ir_node **values; /**< constant values of compound entities. */ + compound_graph_path **val_paths; + /**< paths corresponding to constant values. */ +} compound_ent_attr; + +/** The attributes for methods. */ +typedef struct method_ent_attr { + ir_graph *irg; /**< The corresponding irg if known. + The ir_graph constructor automatically sets this field. */ + mtp_additional_properties irg_add_properties; /**< Additional graph properties can be + stored in a entity if no irg is available. */ + + unsigned vtable_number; /**< For a dynamically called method, the number assigned + in the virtual function table. */ + + ptr_access_kind *param_access; /**< the parameter access */ + unsigned *param_weight; /**< The weight of method's parameters. Parameters + with a high weight are good candidates for procedure cloning. */ +} method_ent_attr; + +/** additional attributes for code entities */ +typedef struct code_ent_attr { + ir_label_t label; /** label of the basic block */ +} code_ent_attr; + +typedef struct parameter_ent_attr { + /**< parameters might be compounds too */ + compound_ent_attr cmpd_attr; + + size_t number; /**< corresponding parameter number */ + ir_mode *doubleword_low_mode;/**< entity is a lowered doubleword parameter, + so additional stores because of calling + convention are correctly performed. + Matze: This is a hack. In an ideal + wor^H^H^Hlibfirm we would first establish + calling conventions and then perform doubleword + lowering...) */ +} parameter_ent_attr; + +typedef enum ir_entity_kind { + IR_ENTITY_NORMAL, + IR_ENTITY_METHOD, + IR_ENTITY_COMPOUND_MEMBER, + IR_ENTITY_PARAMETER, + IR_ENTITY_LABEL, + IR_ENTITY_UNKNOWN, +} ir_entity_kind; + +/** + * An abstract data type to represent program entities. + */ +struct ir_entity { + firm_kind kind; /**< The dynamic type tag for entity. */ + ident *name; /**< The name of this entity. */ + ident *ld_name; /**< Unique name of this entity, i.e., the mangled + name. May be NULL to indicate that a default + mangling based on the name should happen */ + ir_type *type; /**< The type of this entity */ + ir_type *owner; /**< The compound type (e.g. class type) this + entity belongs to. */ + unsigned entity_kind:3; /**< entity kind */ + unsigned linkage:10; /**< Specifies linkage type */ + unsigned volatility:1; /**< Specifies volatility of entities content.*/ + unsigned aligned:1; /**< Specifies alignment of entities content. */ + unsigned usage:4; /**< flag indicating usage types of this entity, + see ir_entity_usage. */ + unsigned compiler_gen:1; /**< If set, this entity was compiler generated. + */ + unsigned visibility:3; /**< @deprecated */ + unsigned allocation:3; /**< @deprecated */ + unsigned peculiarity:3; /**< @deprecated */ + unsigned final:1; /**< @deprecated */ + unsigned offset_bit_remainder:8; + /**< If the entity is a bit field, this is the + offset of the start of the bit field + within the byte specified by offset. */ + int offset; /**< Offset in bytes for this entity. Fixed + when layout of owner is determined. */ + unsigned alignment; /**< entity alignment in bytes */ + ir_visited_t visit; /**< visited counter for walks of the type + information. */ + struct dbg_info *dbi; /**< A pointer to information for debug support. */ + void *link; /**< To store some intermediate information. */ + ir_type *repr_class; /**< If this entity represents a class info, the + associated class. */ + + ir_entity **overwrites; /**< A list of entities this entity overwrites. */ + ir_entity **overwrittenby; /**< A list of entities that overwrite this + entity. */ + + ir_initializer_t *initializer; /**< entity initializer */ #ifdef DEBUG_libfirm - int nr; /**< a unique node number for each node to make output - readable. */ + long nr; /**< A unique node number for each node to make output + readable. */ #endif + + union { + /* ------------- fields for compound entities -------------- */ + compound_ent_attr cmpd_attr; + /* ------------- fields for method entities ---------------- */ + method_ent_attr mtd_attr; + /* fields for code entities */ + code_ent_attr code_attr; + /** parameter number for parameter entities */ + parameter_ent_attr parameter; + } attr; /**< type specific attributes */ }; -INLINE long get_entity_nr(entity *ent); +/** Initialize the entity module. */ +void ir_init_entity(void); +/** Cleanup entity module */ +void ir_finish_entity(void); + +/** + * Creates an entity corresponding to the start address of a basic block + * (the basic block is marked with a label id). + */ +ir_entity *new_label_entity(ir_label_t label); + +/** + * Like new_label_entity() but with debug information. + */ +ir_entity *new_d_label_entity(ir_label_t label, dbg_info *dbgi); + +void set_entity_irg(ir_entity *ent, ir_graph *irg); + +/* ----------------------- inline functions ------------------------ */ +static inline int _is_entity(const void *thing) +{ + return get_kind(thing) == k_entity; +} + +static inline const char *_get_entity_name(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return get_id_str(get_entity_ident(ent)); +} + +static inline ident *_get_entity_ident(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->name; +} -# endif /* _ENTITY_T_H_ */ +static inline void _set_entity_ident(ir_entity *ent, ident *id) +{ + assert(ent && ent->kind == k_entity); + ent->name = id; +} + +static inline ir_type *_get_entity_owner(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->owner; +} + +static inline ident *_get_entity_ld_ident(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + if (ent->ld_name == NULL) + return ent->name; + return ent->ld_name; +} + +static inline void _set_entity_ld_ident(ir_entity *ent, ident *ld_ident) +{ + assert(ent && ent->kind == k_entity); + ent->ld_name = ld_ident; +} + +static inline const char *_get_entity_ld_name(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return get_id_str(get_entity_ld_ident(ent)); +} + +static inline ir_type *_get_entity_type(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->type; +} + +static inline ir_linkage _get_entity_linkage(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return (ir_linkage) ent->linkage; +} + +static inline ir_volatility _get_entity_volatility(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return (ir_volatility) ent->volatility; +} + +static inline void _set_entity_volatility(ir_entity *ent, ir_volatility vol) +{ + assert(ent && ent->kind == k_entity); + ent->volatility = vol; +} + +static inline unsigned _get_entity_alignment(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->alignment; +} + +static inline void _set_entity_alignment(ir_entity *ent, unsigned alignment) +{ + assert(ent && ent->kind == k_entity); + ent->alignment = alignment; +} + +static inline ir_align _get_entity_aligned(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return (ir_align) ent->aligned; +} + +static inline void _set_entity_aligned(ir_entity *ent, ir_align a) +{ + assert(ent && ent->kind == k_entity); + ent->aligned = a; +} + +static inline int _is_entity_compiler_generated(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->compiler_gen; +} + +static inline void _set_entity_compiler_generated(ir_entity *ent, int flag) +{ + assert(ent && ent->kind == k_entity); + ent->compiler_gen = flag ? 1 : 0; +} + +static inline ir_entity_usage _get_entity_usage(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return (ir_entity_usage) ent->usage; +} + +static inline void _set_entity_usage(ir_entity *ent, ir_entity_usage state) +{ + assert(ent && ent->kind == k_entity); + ent->usage = state; +} + +static inline int _get_entity_offset(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->offset; +} + +static inline void _set_entity_offset(ir_entity *ent, int offset) +{ + assert(ent && ent->kind == k_entity); + ent->offset = offset; +} + +static inline unsigned char _get_entity_offset_bits_remainder(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->offset_bit_remainder; +} + +static inline void _set_entity_offset_bits_remainder(ir_entity *ent, unsigned char offset) +{ + assert(ent && ent->kind == k_entity); + ent->offset_bit_remainder = offset; +} + +static inline void *_get_entity_link(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->link; +} + +static inline void _set_entity_link(ir_entity *ent, void *l) +{ + assert(ent && ent->kind == k_entity); + ent->link = l; +} + +static inline ir_graph *_get_entity_irg(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + if (!is_Method_type(ent->type) || ent == unknown_entity) { + return NULL; + } + + return ent->attr.mtd_attr.irg; +} + +static inline ir_visited_t _get_entity_visited(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->visit; +} + +static inline void _set_entity_visited(ir_entity *ent, ir_visited_t num) +{ + assert(ent && ent->kind == k_entity); + ent->visit = num; +} + +static inline void _mark_entity_visited(ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + ent->visit = firm_type_visited; +} + +static inline int _entity_visited(const ir_entity *ent) +{ + return _get_entity_visited(ent) >= firm_type_visited; +} + +static inline int _entity_not_visited(const ir_entity *ent) +{ + return _get_entity_visited(ent) < firm_type_visited; +} + +static inline int _is_parameter_entity(const ir_entity *entity) +{ + return entity->entity_kind == IR_ENTITY_PARAMETER; +} + +static inline size_t _get_entity_parameter_number(const ir_entity *entity) +{ + assert(entity->entity_kind == IR_ENTITY_PARAMETER); + return entity->attr.parameter.number; +} + +static inline ir_type *_get_entity_repr_class(const ir_entity *ent) +{ + assert(ent && ent->kind == k_entity); + return ent->repr_class; +} + +static inline dbg_info *_get_entity_dbg_info(const ir_entity *ent) +{ + return ent->dbi; +} + +static inline void _set_entity_dbg_info(ir_entity *ent, dbg_info *db) +{ + ent->dbi = db; +} + +#define is_entity(thing) _is_entity(thing) +#define get_entity_name(ent) _get_entity_name(ent) +#define get_entity_ident(ent) _get_entity_ident(ent) +#define set_entity_ident(ent, id) _set_entity_ident(ent, id) +#define get_entity_owner(ent) _get_entity_owner(ent) +#define get_entity_ld_ident(ent) _get_entity_ld_ident(ent) +#define set_entity_ld_ident(ent, ld_ident) _set_entity_ld_ident(ent, ld_ident) +#define get_entity_ld_name(ent) _get_entity_ld_name(ent) +#define get_entity_type(ent) _get_entity_type(ent) +#define get_entity_linkage(ent) _get_entity_linkage(ent) +#define get_entity_volatility(ent) _get_entity_volatility(ent) +#define set_entity_volatility(ent, vol) _set_entity_volatility(ent, vol) +#define set_entity_alignment(ent, alignment) _set_entity_alignment(ent, alignment) +#define get_entity_alignment(ent) _get_entity_alignment(ent) +#define get_entity_align(ent) _get_entity_align(ent) +#define set_entity_align(ent, a) _set_entity_align(ent, a) +#define is_entity_compiler_generated(ent) _is_entity_compiler_generated(ent) +#define set_entity_compiler_generated(ent, flag) _set_entity_compiler_generated(ent, flag) +#define get_entity_usage(ent) _get_entity_usage(ent) +#define set_entity_usage(ent, flags) _set_entity_usage(ent, flags) +#define get_entity_offset(ent) _get_entity_offset(ent) +#define set_entity_offset(ent, offset) _set_entity_offset(ent, offset) +#define get_entity_offset_bits_remainder(ent) _get_entity_offset_bits_remainder(ent) +#define set_entity_offset_bits_remainder(ent, o) _set_entity_offset_bits_remainder(ent, o) +#define get_entity_link(ent) _get_entity_link(ent) +#define set_entity_link(ent, l) _set_entity_link(ent, l) +#define get_entity_irg(ent) _get_entity_irg(ent) +#define is_parameter_entity(ent) _is_parameter_entity(ent) +#define get_entity_parameter_number(ent) _get_entity_parameter_number(ent) +#define get_entity_visited(ent) _get_entity_visited(ent) +#define set_entity_visited(ent, num) _set_entity_visited(ent, num) +#define mark_entity_visited(ent) _mark_entity_visited(ent) +#define entity_visited(ent) _entity_visited(ent) +#define entity_not_visited(ent) _entity_not_visited(ent) +#define get_entity_repr_class(ent) _get_entity_repr_class(ent) +#define get_entity_dbg_info(ent) _get_entity_dbg_info(ent) +#define set_entity_dbg_info(ent, db) _set_entity_dbg_info(ent, db) + +#endif