X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity.h;h=f6f4cfaea2b1121ae2349ae6d1bde165bc54335e;hb=b8f363d7be29eb5702e130be3796ff7162410e6a;hp=72ac0bf1f258f0d05f6a71cde9aa4cb56f4f2d6b;hpb=f9b36e5483d60c3f4a509bd1f20b73881f42108f;p=libfirm diff --git a/ir/tr/entity.h b/ir/tr/entity.h index 72ac0bf1f..f6f4cfaea 100644 --- a/ir/tr/entity.h +++ b/ir/tr/entity.h @@ -46,10 +46,10 @@ * basic type of the language or a class itself. * - type *owner: The class this entity belongs to. In case of local * variables the method they are defined in. -* - int offset: Offset in byte for this entity. Fixed when layout +* - int offset: Offset in bits for this entity. Fixed when layout * of owner is determined. * - ir_graph *irg: If (type == method_type) this is the corresponding irg. -* The ir_graph constructor automatically sets this field. +* The ir_graph constructor automatically sets this field. * If (type != method_type) access of this field will cause * an assertion. */ @@ -95,7 +95,7 @@ typedef struct ir_graph ir_graph; * @param variability A flag indicating the variability of this entity (values: * uninitialized, initalized, part_constant, constant) * @param volatility @@@ - * @param offset The offset of the entity within the compound object. Only set + * @param offset The offset of the entity within the compound object in bits. Only set * if the owner in the state "layout_fixed". * @param overwrites A list of entities overwritten by this entity. This list is only * existent if the owner of this entity is a class. The members in @@ -202,7 +202,7 @@ type *get_entity_owner (entity *ent); void set_entity_owner (entity *ent, type *owner); /** Asserts if the type owner is neither a compound type or an array */ -INLINE void assert_legal_owner_of_ent(type *owner); +void assert_legal_owner_of_ent(type *owner); /** Returns the type of an entity. */ type *get_entity_type (entity *ent); @@ -213,13 +213,13 @@ void set_entity_type (entity *ent, type *tp); /** The allocation type. */ typedef enum { allocation_automatic, /**< The entity is allocated during runtime, implicitly - as component of a compound type. This is the default. */ + as component of a compound type. This is the default. */ allocation_parameter, /**< The entity is a parameter. It is also automatic allocated. - We distinguish the allocation of paramters from the allocation - of local variables as their placement depends on the calling - conventions. */ + We distinguish the allocation of paramters from the allocation + of local variables as their placement depends on the calling + conventions. */ allocation_dynamic, /**< The entity is allocated during runtime, explicitly - by an Alloc node. */ + by an Alloc node. */ allocation_static /**< The entity is allocated statically. We can use a Const as address of the entity. */ } ent_allocation; @@ -240,12 +240,12 @@ const char *get_allocation_name(ent_allocation vis); typedef enum { visibility_local, /**< The entity is only visible locally. This is the default. */ visibility_external_visible, /**< The entity is visible to other external program parts, but - it is defined here. It may not be optimized away. The entity must - be static_allocated. */ - visibility_external_allocated /**< The entity is defined and allocated externally. This compilation - must not allocate memory for this entity. The entity must - be static_allocated. This can also be an external defined - method. */ + it is defined here. It may not be optimized away. The entity must + be static_allocated. */ + visibility_external_allocated, /**< The entity is defined and allocated externally. This compilation + must not allocate memory for this entity. The entity must + be static_allocated. This can also be an external defined + method. */ } ent_visibility; /** Returns the visibility of an entity. */ @@ -261,10 +261,10 @@ const char *get_visibility_name(ent_visibility vis); typedef enum { variability_uninitialized, /**< The content of the entity is completely unknown. */ variability_initialized, /**< After allocation the entity is initalized with the - value given somewhere in the entity. */ + value given somewhere in the entity. */ variability_part_constant, /**< For entities of compound types. Some members of the entity - are constant. The others are uninitialized. Those members - given a value for are constant. */ + are constant. The others are uninitialized. Those members + given a value for are constant. */ variability_constant /**< The entity is constant. */ } ent_variability; @@ -292,11 +292,32 @@ void set_entity_volatility (entity *ent, ent_volatility vol); /* Return the name of the volatility. */ const char *get_volatility_name(ent_volatility var); -/** Returns the offset of an entity (in a compound). Only set if layout = fixed. */ -int get_entity_offset (entity *ent); +/** This enumeration flags the stickyness of an entity. */ +typedef enum { + stickyness_unsticky, /**< The entity can be removed from + the program, unless contraindicated + by other attributes */ + stickyness_sticky /**< The entity must remain in the + program in any case */ +} ent_stickyness; + +/** Get the entity's stickyness */ +ent_stickyness get_entity_stickyness(entity *ent); + +/** Set the entity's stickyness */ +void set_entity_stickyness(entity *ent, ent_stickyness stickyness); + +/** Returns the offset of an entity (in a compound) in bytes. Only set if layout = fixed. */ +int get_entity_offset_bytes(entity *ent); -/** Sets the offset of an entity (in a compound). */ -void set_entity_offset (entity *ent, int offset); +/** Returns the offset of an entity (in a compound) in bits. Only set if layout = fixed. */ +int get_entity_offset_bits(entity *ent); + +/** Sets the offset of an entity (in a compound) in bytes. */ +void set_entity_offset_bytes(entity *ent, int offset); + +/** Sets the offset of an entity (in a compound) in bits. */ +void set_entity_offset_bits(entity *ent, int offset); /** Returns the stored intermediate information. */ void* get_entity_link(entity *ent); @@ -434,7 +455,7 @@ bool equal_entity(entity *ent1, entity *ent2); /** Outputs a unique number for this entity if libfirm is compiled for debugging, (configure with --enable-debug) else returns 0. */ -INLINE long get_entity_nr(entity *ent); +long get_entity_nr(entity *ent); /** Returns the entitys visited count. */ unsigned long get_entity_visited(entity *ent); @@ -451,4 +472,21 @@ bool entity_visited(entity *ent); /** Returns true if this entity was not visited. */ bool entity_not_visited(entity *ent); +/** Returns the dynamically referenced entity if the static entity and the + * dynamic type are given. */ +entity *resolve_ent_polymorphy(type *dynamic_class, entity* static_ent); + + +/*-----------------------------------------------------------------*/ +/* Debug aides */ +/*-----------------------------------------------------------------*/ + + +/** Write the entity and all its attributes to stdout. + * + * Writes the entity and all its attributes to stdout if DEBUG_libfirm + * is set. Else does nothing. */ +void dump_entity (entity *ent); + + # endif /* _ENTITY_H_ */