X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity_t.h;h=43e7fd4aabe685fdd4f4bd06da5b6500cd3fb252;hb=d0d85962ef52c14950db90e5981a7bea36023ab3;hp=edd167dad3ec2bf1714701a088b99a1967b08818;hpb=e70c22e8aa4cc93e7d72f58453c03cb9bd797e31;p=libfirm diff --git a/ir/tr/entity_t.h b/ir/tr/entity_t.h index edd167dad..43e7fd4aa 100644 --- a/ir/tr/entity_t.h +++ b/ir/tr/entity_t.h @@ -3,10 +3,10 @@ * 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 + * Modified by: Goetz Lindenmaier, Michael Beck * Created: * CVS-ID: $Id$ - * Copyright: (c) 1998-2003 Universität Karlsruhe + * Copyright: (c) 1998-2006 Universität Karlsruhe * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE. */ @@ -35,8 +35,8 @@ * enclosing procedure. */ -# ifndef _ENTITY_T_H_ -# define _ENTITY_T_H_ +#ifndef _FIRM_TR_ENTITY_T_H_ +#define _FIRM_TR_ENTITY_T_H_ #include "firm_common_t.h" #include "firm_config.h" @@ -49,183 +49,214 @@ /** A path in a compound graph. */ struct compound_graph_path { - firm_kind kind; /**< dynamic type tag for compound graph path. */ - ir_type *tp; /**< The type this path belongs to. */ - int len; /**< length of the path */ - struct tuple { - int index; /**< Array index. To compute position of array elements */ - entity *node; /**< entity */ - } list[1]; /**< List of entitiy/index tuple of length len to express the - access 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. */ }; -/** 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 - mangling 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'. */ - 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. */ - ent_allocation allocation; /**< Distinguishes static and dynamically allocated - entities and some further cases. */ - 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 bits for this entity. Fixed when layout - of owner is determined. */ - peculiarity peculiarity; /**< peculiarity of this entity */ - 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 */ - - /* ------------- fields for atomic entities ---------------*/ - +/** 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. */ - - /* ------------- fields for compound entities ---------------*/ - - ir_node **values; /**< constant values of compound entities. Only available if - variability not uninitialized. Must be set for variability constant - */ - compound_graph_path **val_paths; /**< paths corresponding to constant values. Only available if - variability 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 ---------------*/ - - 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. */ - unsigned irg_add_properties; /**< Additional graph properties can be - stored in a entity if no irg is available. */ - - 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.*/ - - /* ------------- fields for analyses ---------------*/ - +} atomic_ent_attr; + +/** 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. */ + compound_graph_path **val_paths; + /**< paths corresponding to constant values. Only available if + variability not uninitialized. Must be set for variability constant. */ +} compound_ent_attr; + +/** A reserved value for "not yet set". */ +#define VTABLE_NUM_NOT_SET ((unsigned)(-1)) + +/** 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. */ + unsigned 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 */ + 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 */ +} method_ent_attr; + + +/** The type of an entity. */ +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. If the field is read before written a default + mangling 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'. */ + 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. */ + 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 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. */ + + /* ------------- 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. */ + + /* ------------- fields for atomic entities --------------- */ + ir_node *value; /**< value if entity is not of variability uninitialized. + Only for atomic entities. */ + union { + /* ------------- fields for compound entities -------------- */ + compound_ent_attr cmpd_attr; + /* ------------- fields for method entities ---------------- */ + method_ent_attr mtd_attr; + } attr; /**< type specific attributes */ + + /* ------------- fields for analyses ---------------*/ #ifdef DEBUG_libfirm - long 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 /* DEBUG_libfirm */ }; -/** Initialize entity module. */ +/** Initialize the entity module. */ void firm_init_entity(void); /* ----------------------- inline functions ------------------------ */ static INLINE int _is_entity(const void *thing) { - return get_kind(thing) == k_entity; + return get_kind(thing) == k_entity; } static INLINE const char * -_get_entity_name(const entity *ent) { - assert(ent && ent->kind == k_entity); - return get_id_str(get_entity_ident(ent)); +_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 entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->name; +_get_entity_ident(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->name; +} + +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(entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->owner = skip_tid(ent->owner); +_get_entity_owner(ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->owner = skip_tid(ent->owner); } static INLINE ident * -_get_entity_ld_ident(entity *ent) +_get_entity_ld_ident(ir_entity *ent) { - assert(ent && ent->kind == k_entity); - if (ent->ld_name == NULL) - ent->ld_name = mangle_entity(ent); - return ent->ld_name; + assert(ent && ent->kind == k_entity); + if (ent->ld_name == NULL) + ent->ld_name = mangle_entity(ent); + return ent->ld_name; } static INLINE void -_set_entity_ld_ident(entity *ent, ident *ld_ident) { - assert(ent && ent->kind == k_entity); - ent->ld_name = ld_ident; +_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(entity *ent) { - assert(ent && ent->kind == k_entity); - return get_id_str(get_entity_ld_ident(ent)); +_get_entity_ld_name(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(entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->type = skip_tid(ent->type); +_get_entity_type(ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->type = skip_tid(ent->type); } static INLINE void -_set_entity_type(entity *ent, ir_type *type) { - assert(ent && ent->kind == k_entity); - ent->type = type; +_set_entity_type(ir_entity *ent, ir_type *type) { + assert(ent && ent->kind == k_entity); + ent->type = type; } -static INLINE ent_allocation -_get_entity_allocation(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->allocation; +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(entity *ent, ent_allocation al) { - assert(ent && ent->kind == k_entity); - ent->allocation = al; +_set_entity_allocation(ir_entity *ent, ir_allocation al) { + assert(ent && ent->kind == k_entity); + ent->allocation = al; } -static INLINE visibility -_get_entity_visibility(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->visibility; +static INLINE ir_visibility +_get_entity_visibility(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->visibility; } -static INLINE ent_variability -_get_entity_variability(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->variability; +static INLINE ir_variability +_get_entity_variability(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->variability; } -static INLINE ent_volatility -_get_entity_volatility(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->volatility; +static INLINE ir_volatility +_get_entity_volatility(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->volatility; } static INLINE void -_set_entity_volatility(entity *ent, ent_volatility vol) { - assert(ent && ent->kind == k_entity); - ent->volatility = vol; +_set_entity_volatility(ir_entity *ent, ir_volatility vol) { + assert(ent && ent->kind == k_entity); + ent->volatility = vol; } -static INLINE peculiarity -_get_entity_peculiarity(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->peculiarity; +static INLINE ir_peculiarity +_get_entity_peculiarity(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->peculiarity; } /** @@ -236,104 +267,122 @@ _get_entity_peculiarity(const entity *ent) { * I removed the assertion. GL, 28.2.05 */ static INLINE void -_set_entity_peculiarity(entity *ent, peculiarity pec) { - assert(ent && ent->kind == k_entity); - /* @@@ why peculiarity only for methods? */ - //assert(is_Method_type(ent->type)); +_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; + ent->peculiarity = pec; } -static INLINE ent_stickyness -_get_entity_stickyness(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->stickyness; +static INLINE ir_stickyness +_get_entity_stickyness(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->stickyness; } static INLINE void -_set_entity_stickyness(entity *ent, ent_stickyness stickyness) -{ - assert(ent && ent->kind == k_entity); - ent->stickyness = stickyness; +_set_entity_stickyness(ir_entity *ent, ir_stickyness stickyness) { + assert(ent && ent->kind == k_entity); + ent->stickyness = stickyness; } static INLINE int -_get_entity_offset_bits(const entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->offset; +_get_entity_final(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return (int)ent->final; } -static INLINE int -_get_entity_offset_bytes(const entity *ent) { - int bits = _get_entity_offset_bits(ent); +static INLINE void +_set_entity_final(ir_entity *ent, int final) { + assert(ent && ent->kind == k_entity); + ent->final = final ? 1 : 0; +} - if (bits & 7) return -1; - return bits >> 3; +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_bits(entity *ent, int offset) { - assert(ent && ent->kind == k_entity); - ent->offset = offset; +_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_bytes(entity *ent, int offset) { - _set_entity_offset_bits(ent, offset * 8); +_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 entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->link; +_get_entity_link(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->link; } static INLINE void -_set_entity_link(entity *ent, void *l) { - assert(ent && ent->kind == k_entity); - ent->link = l; +_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 entity *ent) { - assert(ent && ent->kind == k_entity); - assert(ent == unknown_entity || is_Method_type(ent->type)); - if (!get_visit_pseudo_irgs() && ent->irg && is_pseudo_ir_graph(ent->irg)) - return NULL; - return ent->irg; +_get_entity_irg(const ir_entity *ent) { + 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)) + return NULL; + return ent->attr.mtd_attr.irg; } static INLINE unsigned long -_get_entity_visited(entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->visit; +_get_entity_visited(ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->visit; } static INLINE void -_set_entity_visited(entity *ent, unsigned long num) { - assert(ent && ent->kind == k_entity); - ent->visit = num; +_set_entity_visited(ir_entity *ent, unsigned long num) { + assert(ent && ent->kind == k_entity); + ent->visit = num; } static INLINE void -_mark_entity_visited(entity *ent) { - assert(ent && ent->kind == k_entity); - ent->visit = firm_type_visited; +_mark_entity_visited(ir_entity *ent) { + assert(ent && ent->kind == k_entity); + ent->visit = firm_type_visited; } static INLINE int -_entity_visited(entity *ent) { - return _get_entity_visited(ent) >= firm_type_visited; +_entity_visited(ir_entity *ent) { + return _get_entity_visited(ent) >= firm_type_visited; } static INLINE int -_entity_not_visited(entity *ent) { - return _get_entity_visited(ent) < firm_type_visited; +_entity_not_visited(ir_entity *ent) { + return _get_entity_visited(ent) < firm_type_visited; +} + +static INLINE ir_type * +_get_entity_repr_class(const ir_entity *ent) { + assert(ent && ent->kind == k_entity); + return ent->repr_class; } #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) @@ -350,10 +399,12 @@ _entity_not_visited(entity *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 get_entity_offset_bits(ent) _get_entity_offset_bits(ent) -#define get_entity_offset_bytes(ent) _get_entity_offset_bytes(ent) -#define set_entity_offset_bits(ent, offset) _set_entity_offset_bits(ent, offset) -#define set_entity_offset_bytes(ent, offset) _set_entity_offset_bytes(ent, offset) +#define get_entity_final(ent) _get_entity_final(ent) +#define set_entity_final(ent, final) _set_entity_final(ent, final) +#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) @@ -362,5 +413,7 @@ _entity_not_visited(entity *ent) { #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) + -# endif /* _ENTITY_T_H_ */ +#endif /* _FIRM_TR_ENTITY_T_H_ */