X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fentity_t.h;h=e8b6d9d90a57ffacb3065d8276d741c931b42f2d;hb=274626e2d58cfa247b88ee05adaca8906b025d93;hp=cc5e82fcfddce94308ece0dc611e3cba7e67b00e;hpb=2eddc0b5f311a0f7438d41c45b6bca364457290f;p=libfirm diff --git a/ir/tr/entity_t.h b/ir/tr/entity_t.h index cc5e82fcf..e8b6d9d90 100644 --- a/ir/tr/entity_t.h +++ b/ir/tr/entity_t.h @@ -1,5 +1,5 @@ /* - * 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. * @@ -18,22 +18,20 @@ */ /* - * @file entity_t.h + * @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 - -#include "firm_common_t.h" +#include #include "typerep.h" #include "type_t.h" #include "ident.h" -#include "pseudo_irg.h" +#include "compound_path.h" typedef struct ir_initializer_base_t { ir_initializer_kind_t kind; @@ -44,7 +42,7 @@ 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; @@ -61,7 +59,7 @@ typedef struct ir_initializer_const_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 { @@ -72,41 +70,18 @@ union ir_initializer_t { ir_initializer_tarval_t tarval; }; -/** 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. */ -}; - -/** 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; - /** 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". */ -#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 @@ -117,361 +92,335 @@ typedef struct method_ent_attr { 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; + +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 allocation:3; /**< Distinguishes static and dynamically allocated - entities and some further cases. */ - unsigned visibility:3; /**< Specifies visibility to external program fragments. */ - unsigned variability:3; /**< Specifies variability of entities content. */ - unsigned volatility:1; /**< Specifies volatility of entities content. */ - unsigned align:1; /**< Specifies alignment of entities content. */ - unsigned stickyness:2; /**< Specifies whether this entity is sticky. */ - unsigned peculiarity:3; /**< The peculiarity of this entity. */ - unsigned usage:4; /**< flag indicating usage types of this entity, see ir_entity_usage. */ - unsigned final:1; /**< If set, this entity cannot be overridden. */ - unsigned compiler_gen:1; /**< If set, this entity was compiler generated. */ - unsigned backend_marked:1; /**< If set, this entity was marked by the backend for emission. */ - unsigned has_initializer:1; /**< if set, this entity is initialized by new style initializers. */ - 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. */ - 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 --------------- */ - ir_node *value; /**< value if entity is not of variability uninitialized. - Only 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; - /* entity initializer */ - ir_initializer_t *initializer; + method_ent_attr mtd_attr; + /* fields for code entities */ + 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 /* DEBUG_libfirm */ }; /** Initialize the entity module. */ -void firm_init_entity(void); +void ir_init_entity(ir_prog *irp); +/** Cleanup entity module */ +void ir_finish_entity(ir_prog *irp); + +/** + * 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) { +static inline int _is_entity(const void *thing) +{ return get_kind(thing) == k_entity; } -static inline const char * -_get_entity_name(const ir_entity *ent) { +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 * -_get_entity_ident(const ir_entity *ent) { +static inline ident *_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) { +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 = id_mangle_entity(ent); + return ent->name; return ent->ld_name; } -static inline void -_set_entity_ld_ident(ir_entity *ent, ident *ld_ident) { +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) { - assert(ent && ent->kind == k_entity); - return ent->type = skip_tid(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_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) { +static inline ir_type *_get_entity_type(const ir_entity *ent) +{ assert(ent && ent->kind == k_entity); - return ent->visibility; + return ent->type; } -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 (ir_linkage) ent->linkage; } -static inline ir_volatility -_get_entity_volatility(const ir_entity *ent) { +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 void _set_entity_volatility(ir_entity *ent, ir_volatility vol) +{ assert(ent && ent->kind == k_entity); ent->volatility = vol; } -static inline ir_align -_get_entity_align(const ir_entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->align; -} - -static inline void -_set_entity_align(ir_entity *ent, ir_align a) { - assert(ent && ent->kind == k_entity); - ent->align = a; -} - -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 (ir_align) 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 -_is_entity_compiler_generated(const ir_entity *ent) { +static inline int _is_entity_compiler_generated(const ir_entity *ent) +{ assert(ent && ent->kind == k_entity); return ent->compiler_gen; } -static inline void -_set_entity_compiler_generated(ir_entity *ent, int flag) { +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 int -_is_entity_backend_marked(const ir_entity *ent) { - assert(ent && ent->kind == k_entity); - return ent->backend_marked; -} - -static inline void -_set_entity_backend_marked(ir_entity *ent, int flag) { - assert(ent && ent->kind == k_entity); - ent->backend_marked = flag ? 1 : 0; -} - -static inline ir_entity_usage -_get_entity_usage(const ir_entity *ent) { +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 void _set_entity_usage(ir_entity *ent, ir_entity_usage state) +{ assert(ent && ent->kind == k_entity); ent->usage = state; } -static inline int -_get_entity_offset(const ir_entity *ent) { +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(ir_entity *ent, int offset) { +static inline void _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) { +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_bits_remainder(ir_entity *ent, unsigned char offset) { +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 * -_get_entity_link(const ir_entity *ent) { +static inline void *_get_entity_link(const ir_entity *ent) +{ assert(ent && ent->kind == k_entity); return ent->link; } -static inline void -_set_entity_link(ir_entity *ent, void *l) { +static inline void _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 ir_entity *ent) { - ir_graph *irg; +static inline ir_graph *_get_entity_irg(const ir_entity *ent) +{ assert(ent && ent->kind == k_entity); - assert(ent == unknown_entity || is_Method_type(ent->type)); - irg = ent->attr.mtd_attr.irg; - if (irg != NULL && !get_visit_pseudo_irgs() && is_pseudo_ir_graph(irg)) + if (!is_Method_type(ent->type) || is_unknown_entity(ent)) { return NULL; - return irg; + } + + return ent->attr.mtd_attr.irg; } -static inline ir_visited_t -_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, ir_visited_t 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 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); return ent->repr_class; } -static inline dbg_info * -_get_entity_dbg_info(const ir_entity *ent) { +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) { +static inline void _set_entity_dbg_info(ir_entity *ent, dbg_info *db) +{ ent->dbi = db; } - #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) @@ -481,25 +430,15 @@ _set_entity_dbg_info(ir_entity *ent, dbg_info *db) { #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_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 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 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 is_entity_compiler_generated(ent) _is_entity_compiler_generated(ent) #define set_entity_compiler_generated(ent, flag) _set_entity_compiler_generated(ent, flag) -#define is_entity_backend_marked(ent) _is_entity_backend_marked(ent) -#define set_entity_backend_marked(ent, flag) _set_entity_backend_marked(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) @@ -509,6 +448,8 @@ _set_entity_dbg_info(ir_entity *ent, dbg_info *db) { #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) @@ -518,5 +459,4 @@ _set_entity_dbg_info(ir_entity *ent, dbg_info *db) { #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