/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @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
#include <assert.h>
+#include <stdbool.h>
#include "typerep.h"
#include "type_t.h"
#include "ident.h"
-#include "pseudo_irg.h"
#include "compound_path.h"
typedef struct ir_initializer_base_t {
*/
typedef struct ir_initializer_compound_t {
ir_initializer_base_t base;
- unsigned n_initializers;
+ size_t n_initializers;
ir_initializer_t *initializers[1];
} ir_initializer_compound_t;
*/
typedef struct ir_initializer_tarval_t {
ir_initializer_base_t base;
- tarval *value;
+ ir_tarval *value;
} ir_initializer_tarval_t ;
union ir_initializer_t {
/**< paths corresponding to constant values. */
} 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
+ 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
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.
- *
- * @see ir_type
*/
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. */
- 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. */
- 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. */
-
- /* ------------- fields for atomic entities --------------- */
+ 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
+ long nr; /**< A unique node number for each node to make output
+ readable. */
+#endif
+
union {
/* ------------- fields for compound entities -------------- */
- compound_ent_attr cmpd_attr;
+ compound_ent_attr cmpd_attr;
/* ------------- fields for method entities ---------------- */
- method_ent_attr mtd_attr;
+ method_ent_attr mtd_attr;
/* fields for code entities */
- code_ent_attr code_attr;
+ code_ent_attr code_attr;
+ /** parameter number for parameter entities */
+ parameter_ent_attr parameter;
} attr; /**< type specific attributes */
-
- /* ------------- fields for analyses ---------------*/
-
-#ifdef DEBUG_libfirm
- long nr; /**< A unique node number for each node to make output
- readable. */
-#endif
};
/** Initialize the entity module. */
/** 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 ent->type;
}
-static inline void _set_entity_type(ir_entity *ent, ir_type *type)
-{
- assert(ent && ent->kind == k_entity);
- ent->type = type;
-}
-
static inline ir_linkage _get_entity_linkage(const ir_entity *ent)
{
assert(ent && ent->kind == k_entity);
- return ent->linkage;
+ return (ir_linkage) ent->linkage;
}
static inline ir_volatility _get_entity_volatility(const ir_entity *ent)
{
assert(ent && ent->kind == k_entity);
- return ent->volatility;
+ return (ir_volatility) ent->volatility;
}
static inline void _set_entity_volatility(ir_entity *ent, ir_volatility vol)
static inline ir_align _get_entity_aligned(const ir_entity *ent)
{
assert(ent && ent->kind == k_entity);
- return ent->aligned;
+ return (ir_align) ent->aligned;
}
static inline void _set_entity_aligned(ir_entity *ent, ir_align a)
static inline ir_entity_usage _get_entity_usage(const ir_entity *ent)
{
assert(ent && ent->kind == k_entity);
- return ent->usage;
+ return (ir_entity_usage) ent->usage;
}
static inline void _set_entity_usage(ir_entity *ent, ir_entity_usage state)
static inline ir_graph *_get_entity_irg(const ir_entity *ent)
{
- ir_graph *irg;
assert(ent && ent->kind == k_entity);
if (!is_Method_type(ent->type) || ent == unknown_entity) {
return NULL;
}
- irg = ent->attr.mtd_attr.irg;
- if (irg != NULL && !get_visit_pseudo_irgs() && is_pseudo_ir_graph(irg))
- return NULL;
- return irg;
+ return ent->attr.mtd_attr.irg;
}
static inline ir_visited_t _get_entity_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);
#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 set_entity_type(ent, type) _set_entity_type(ent, type)
#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_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)
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