X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity_t.h;h=2aa1a175684ee17c5708f93b4abbba9fa39f086f;hb=64723d1bd8ace74ca5f0018db8655f2a1f443532;hp=d043e6131cf372d5ce70f6b4a368a4d404572e10;hpb=eb08138c6b80c169945568e4414f491a9bc20388;p=libfirm diff --git a/ir/tr/entity_t.h b/ir/tr/entity_t.h index d043e6131..2aa1a1756 100644 --- a/ir/tr/entity_t.h +++ b/ir/tr/entity_t.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -18,78 +18,64 @@ */ /* - * 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, Michael Beck - * Created: - * CVS-ID: $Id$ - * Copyright: (c) 1998-2007 Universität Karlsruhe + * @file + * @brief Representation of all program known entities -- private header. + * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck + * @version $Id$ */ +#ifndef FIRM_TR_ENTITY_T_H +#define FIRM_TR_ENTITY_T_H -/** - * @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 _FIRM_TR_ENTITY_T_H_ -#define _FIRM_TR_ENTITY_T_H_ - -#include "firm_common_t.h" -#include "firm_config.h" +#include +#include "typerep.h" #include "type_t.h" -#include "entity.h" -#include "typegmod.h" -#include "mangle.h" +#include "ident.h" #include "pseudo_irg.h" +#include "compound_path.h" -/** A path in a compound graph. */ -struct compound_graph_path { - firm_kind kind; /**< The dynamic type tag for compound graph path. */ - ir_type *tp; /**< The type this path belongs to. */ - int len; /**< The length of the path. */ - struct tuple { - int index; /**< Array index. To compute position of array elements */ - ir_entity *node; /**< The accessed entity. */ - } list[1]; /**< List of entity/index tuple of length len to express the - access path. */ -}; +typedef struct ir_initializer_base_t { + ir_initializer_kind_t kind; +} ir_initializer_base_t; -/** The attributes for atomic entities. */ -typedef struct atomic_ent_attr { - ir_node *value; /**< value if entity is not of variability uninitialized. - Only for atomic entities. */ -} atomic_ent_attr; +/** + * An compound initializer. + */ +typedef struct ir_initializer_compound_t { + ir_initializer_base_t base; + unsigned 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; + 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 attributes for compound entities. */ typedef struct compound_ent_attr { - ir_node **values; /**< constant values of compound entities. Only available if - variability not uninitialized. Must be set for variability constant. */ + ir_node **values; /**< constant values of compound entities. */ compound_graph_path **val_paths; - /**< paths corresponding to constant values. Only available if - variability not uninitialized. Must be set for variability constant. */ + /**< paths corresponding to constant values. */ } compound_ent_attr; /** A reserved value for "not yet set". */ @@ -106,11 +92,15 @@ typedef struct method_ent_attr { in the virtual function table. */ ptr_access_kind *param_access; /**< the parameter access */ - float *param_weight; /**< The weight of method's parameters. Parameters - with a high weight are good for procedure cloning. */ - ir_img_section section; /**< The code section where this method should be placed */ + 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; + /** * An abstract data type to represent program entities. @@ -129,303 +119,286 @@ struct ir_entity { ir_type *type; /**< The type of this entity, e.g., a method type, a basic type of the language or a class itself. */ ir_type *owner; /**< The compound type (e.g. class type) this entity belongs to. */ - ir_allocation allocation:3; /**< Distinguishes static and dynamically allocated - entities and some further cases. */ - ir_visibility visibility:3; /**< Specifies visibility to external program fragments. */ - ir_variability variability:3; /**< Specifies variability of entities content. */ - ir_volatility volatility:2; /**< Specifies volatility of entities content. */ - ir_stickyness stickyness:2; /**< Specifies whether this entity is sticky. */ - ir_peculiarity peculiarity:3; /**< The peculiarity of this entity. */ - ir_address_taken_state address_taken:3; /**< A flag that can be set to mark address taken entities. */ - unsigned final:1; /**< If set, this entity cannot be overridden. */ - unsigned compiler_gen:1; /**< If set, this entity was compiler generated. */ - int offset; /**< Offset in bytes for this entity. Fixed when layout - of owner is determined. */ + 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 */ + int offset; /**< Offset in bytes for this entity. Fixed + when layout of owner is determined. */ + unsigned alignment; /**< entity alignment in bytes */ unsigned char offset_bit_remainder; - /**< If the entity is a bit field, this is the offset of - the start of the bit field within the byte specified - by offset. */ - unsigned long 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. */ + /**< If the entity is a bit field, this is the + offset of the start of the bit field + within the byte specified by offset. */ + 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. */ /* ------------- fields for entities owned by a class type ---------------*/ - ir_entity **overwrites; /**< A list of entities this entity overwrites. */ - ir_entity **overwrittenby; /**< A list of entities that overwrite this entity. */ + ir_entity **overwrites; /**< A list of entities this entity overwrites. + */ + ir_entity **overwrittenby; /**< A list of entities that overwrite this + entity. */ /* ------------- fields for atomic entities --------------- */ - ir_node *value; /**< value if entity is not of variability uninitialized. - Only for atomic entities. */ + ir_initializer_t *initializer; /**< entity initializer */ 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; } attr; /**< type specific attributes */ /* ------------- fields for analyses ---------------*/ #ifdef DEBUG_libfirm - long nr; /**< A unique node number for each node to make output readable. */ -# endif /* DEBUG_libfirm */ + long nr; /**< A unique node number for each node to make output + readable. */ +#endif }; /** Initialize the entity module. */ void firm_init_entity(void); - /* ----------------------- inline functions ------------------------ */ -static INLINE int +static inline int _is_entity(const void *thing) { return get_kind(thing) == k_entity; } -static INLINE const char * +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 * +static inline ident * _get_entity_ident(const ir_entity *ent) { assert(ent && ent->kind == k_entity); return ent->name; } -static INLINE void +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(ir_entity *ent) { +static inline ir_type * +_get_entity_owner(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return ent->owner = skip_tid(ent->owner); + return ent->owner; } -static INLINE ident * -_get_entity_ld_ident(ir_entity *ent) +static inline ident * +_get_entity_ld_ident(const ir_entity *ent) { assert(ent && ent->kind == k_entity); if (ent->ld_name == NULL) - ent->ld_name = mangle_entity(ent); + return ent->name; return ent->ld_name; } -static INLINE void +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(ir_entity *ent) { +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(ir_entity *ent) { +static inline ir_type * +_get_entity_type(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return ent->type = skip_tid(ent->type); + return ent->type; } -static INLINE void +static inline void _set_entity_type(ir_entity *ent, ir_type *type) { assert(ent && ent->kind == k_entity); ent->type = type; } -static INLINE ir_allocation -_get_entity_allocation(const ir_entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->allocation; -} - -static INLINE void -_set_entity_allocation(ir_entity *ent, ir_allocation al) { - assert(ent && ent->kind == k_entity); - ent->allocation = al; -} - -static INLINE ir_visibility -_get_entity_visibility(const ir_entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->visibility; -} - -static INLINE ir_variability -_get_entity_variability(const ir_entity *ent) { +static inline ir_linkage +_get_entity_linkage(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return ent->variability; + return ent->linkage; } -static INLINE ir_volatility +static inline ir_volatility _get_entity_volatility(const ir_entity *ent) { assert(ent && ent->kind == k_entity); return ent->volatility; } -static INLINE void +static inline void _set_entity_volatility(ir_entity *ent, ir_volatility vol) { assert(ent && ent->kind == k_entity); ent->volatility = vol; } -static INLINE ir_peculiarity -_get_entity_peculiarity(const ir_entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->peculiarity; -} - -/** - * @todo Why peculiarity only for methods? - * Good question. Originally, there were only description and - * existent. The thought was, what sense does it make to - * describe a field? With inherited the situation changed. So - * I removed the assertion. GL, 28.2.05 - */ -static INLINE void -_set_entity_peculiarity(ir_entity *ent, ir_peculiarity pec) { - assert(ent && ent->kind == k_entity); - /* @@@ why peculiarity only for methods? */ - //assert(is_Method_type(ent->type)); - - ent->peculiarity = pec; -} - -static INLINE ir_stickyness -_get_entity_stickyness(const ir_entity *ent) { +static inline unsigned +_get_entity_alignment(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return ent->stickyness; + return ent->alignment; } -static INLINE void -_set_entity_stickyness(ir_entity *ent, ir_stickyness stickyness) { +static inline void +_set_entity_alignment(ir_entity *ent, unsigned alignment) { assert(ent && ent->kind == k_entity); - ent->stickyness = stickyness; + ent->alignment = alignment; } -static INLINE int -_is_entity_final(const ir_entity *ent) { +static inline ir_align +_get_entity_aligned(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return (int)ent->final; + return ent->aligned; } -static INLINE void -_set_entity_final(ir_entity *ent, int final) { +static inline void +_set_entity_aligned(ir_entity *ent, ir_align a) { assert(ent && ent->kind == k_entity); - ent->final = final ? 1 : 0; + ent->aligned = a; } -static INLINE int +static inline int _is_entity_compiler_generated(const ir_entity *ent) { assert(ent && ent->kind == k_entity); return ent->compiler_gen; } -static INLINE void +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_address_taken_state -_get_entity_address_taken(const ir_entity *ent) { +static inline ir_entity_usage +_get_entity_usage(const ir_entity *ent) { assert(ent && ent->kind == k_entity); - return ent->address_taken; + return ent->usage; } -static INLINE void -_set_entity_address_taken(ir_entity *ent, ir_address_taken_state state) { +static inline void +_set_entity_usage(ir_entity *ent, ir_entity_usage state) { assert(ent && ent->kind == k_entity); - assert(ir_address_not_taken <= state && state <= ir_address_taken); - ent->address_taken = state; + ent->usage = state; } -static INLINE int +static inline int _get_entity_offset(const ir_entity *ent) { assert(ent && ent->kind == k_entity); return ent->offset; } -static INLINE void +static inline void _set_entity_offset(ir_entity *ent, int offset) { assert(ent && ent->kind == k_entity); ent->offset = offset; } -static INLINE unsigned char +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 +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 * +static inline void * _get_entity_link(const ir_entity *ent) { assert(ent && ent->kind == k_entity); return ent->link; } -static INLINE void +static inline void _set_entity_link(ir_entity *ent, void *l) { assert(ent && ent->kind == k_entity); ent->link = l; } -static INLINE ir_graph * +static inline ir_graph * _get_entity_irg(const ir_entity *ent) { + ir_graph *irg; assert(ent && ent->kind == k_entity); - assert(ent == unknown_entity || is_Method_type(ent->type)); - if (!get_visit_pseudo_irgs() && ent->attr.mtd_attr.irg - && is_pseudo_ir_graph(ent->attr.mtd_attr.irg)) + if (!is_Method_type(ent->type) || ent == unknown_entity) { return NULL; - return ent->attr.mtd_attr.irg; + } + + irg = ent->attr.mtd_attr.irg; + if (irg != NULL && !get_visit_pseudo_irgs() && is_pseudo_ir_graph(irg)) + return NULL; + return irg; } -static INLINE unsigned long -_get_entity_visited(ir_entity *ent) { +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, unsigned long num) { +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) { +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(ir_entity *ent) { +static inline int _entity_visited(const ir_entity *ent) +{ return _get_entity_visited(ent) >= firm_type_visited; } -static INLINE int -_entity_not_visited(ir_entity *ent) { +static inline int _entity_not_visited(const ir_entity *ent) +{ return _get_entity_visited(ent) < firm_type_visited; } -static INLINE ir_type * -_get_entity_repr_class(const ir_entity *ent) { +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; +} + +int is_entity_final(const ir_entity *entity); + #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) @@ -436,22 +409,17 @@ _get_entity_repr_class(const ir_entity *ent) { #define get_entity_ld_name(ent) _get_entity_ld_name(ent) #define get_entity_type(ent) _get_entity_type(ent) #define set_entity_type(ent, type) _set_entity_type(ent, type) -#define get_entity_allocation(ent) _get_entity_allocation(ent) -#define set_entity_allocation(ent, al) _set_entity_allocation(ent, al) -#define get_entity_visibility(ent) _get_entity_visibility(ent) -#define get_entity_variability(ent) _get_entity_variability(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 get_entity_peculiarity(ent) _get_entity_peculiarity(ent) -#define set_entity_peculiarity(ent, pec) _set_entity_peculiarity(ent, pec) -#define get_entity_stickyness(ent) _get_entity_stickyness(ent) -#define set_entity_stickyness(ent, stickyness) _set_entity_stickyness(ent, stickyness) -#define is_entity_final(ent) _is_entity_final(ent) -#define set_entity_final(ent, final) _set_entity_final(ent, final) +#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_address_taken(ent) _get_entity_address_taken(ent) -#define set_entity_address_taken(ent, flag) _set_entity_address_taken(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) @@ -465,6 +433,7 @@ _get_entity_repr_class(const ir_entity *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 /* _FIRM_TR_ENTITY_T_H_ */ +#endif