* 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.
*/
/** 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 entity/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. */
};
-/** attributes 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. */
} atomic_ent_attr;
-/** attributes for compound entities */
+/** 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. */
+ 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" */
+/** A reserved value for "not yet set". */
#define VTABLE_NUM_NOT_SET ((unsigned)(-1))
-/** attributes for methods */
+/** 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 */
+ 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 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. */
- 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; /**< The 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 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 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 ---------------*/
+/** 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(entity *ent, ident *id) {
- assert(ent && ent->kind == k_entity);
- ent->name = id;
+_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;
}
/**
* 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->attr.mtd_attr.irg
- && is_pseudo_ir_graph(ent->attr.mtd_attr.irg))
- return NULL;
- return ent->attr.mtd_attr.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 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)
#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 /* _FIRM_TR_ENTITY_T_H_ */
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