2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Representation of all program known entities -- private header.
23 * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck
26 #ifndef FIRM_TR_ENTITY_T_H
27 #define FIRM_TR_ENTITY_T_H
34 #include "pseudo_irg.h"
35 #include "compound_path.h"
37 typedef struct ir_initializer_base_t {
38 ir_initializer_kind_t kind;
39 } ir_initializer_base_t;
42 * An compound initializer.
44 typedef struct ir_initializer_compound_t {
45 ir_initializer_base_t base;
46 unsigned n_initializers;
47 ir_initializer_t *initializers[1];
48 } ir_initializer_compound_t;
51 * An initializer containing an ir_node,
53 typedef struct ir_initializer_const_t {
54 ir_initializer_base_t base;
56 } ir_initializer_const_t ;
59 * An initializer containing a tarval.
61 typedef struct ir_initializer_tarval_t {
62 ir_initializer_base_t base;
64 } ir_initializer_tarval_t ;
66 union ir_initializer_t {
67 ir_initializer_kind_t kind;
68 ir_initializer_base_t base;
69 ir_initializer_compound_t compound;
70 ir_initializer_const_t consti;
71 ir_initializer_tarval_t tarval;
74 /** The attributes for compound entities. */
75 typedef struct compound_ent_attr {
76 ir_node **values; /**< constant values of compound entities. */
77 compound_graph_path **val_paths;
78 /**< paths corresponding to constant values. */
81 /** The attributes for methods. */
82 typedef struct method_ent_attr {
83 ir_graph *irg; /**< The corresponding irg if known.
84 The ir_graph constructor automatically sets this field. */
85 unsigned irg_add_properties; /**< Additional graph properties can be
86 stored in a entity if no irg is available. */
88 unsigned vtable_number; /**< For a dynamically called method, the number assigned
89 in the virtual function table. */
91 ptr_access_kind *param_access; /**< the parameter access */
92 unsigned *param_weight; /**< The weight of method's parameters. Parameters
93 with a high weight are good candidates for procedure cloning. */
96 /** additional attributes for code entities */
97 typedef struct code_ent_attr {
98 ir_label_t label; /** label of the basic block */
103 * An abstract data type to represent program entities.
108 firm_kind kind; /**< The dynamic type tag for entity. */
109 ident *name; /**< The name of this entity. */
110 ident *ld_name; /**< Unique name of this entity, i.e., the mangled
111 name. If the field is read before written a default
112 mangling is applies. The name of the owner is prepended
113 to the name of the entity, separated by a underscore.
114 E.g., for a class `A' with field `a' this
115 is the ident for `A_a'. */
116 ir_type *type; /**< The type of this entity, e.g., a method type, a
117 basic type of the language or a class itself. */
118 ir_type *owner; /**< The compound type (e.g. class type) this entity belongs to. */
119 unsigned linkage:10; /**< Specifies linkage type */
120 unsigned volatility:1; /**< Specifies volatility of entities content.*/
121 unsigned aligned:1; /**< Specifies alignment of entities content. */
122 unsigned usage:4; /**< flag indicating usage types of this entity,
123 see ir_entity_usage. */
124 unsigned compiler_gen:1; /**< If set, this entity was compiler generated.
126 unsigned visibility:3; /**< @deprecated */
127 unsigned allocation:3; /**< @deprecated */
128 unsigned peculiarity:3; /**< @deprecated */
129 unsigned final:1; /**< @deprecated */
130 int offset; /**< Offset in bytes for this entity. Fixed
131 when layout of owner is determined. */
132 unsigned alignment; /**< entity alignment in bytes */
133 unsigned char offset_bit_remainder;
134 /**< If the entity is a bit field, this is the
135 offset of the start of the bit field
136 within the byte specified by offset. */
137 ir_visited_t visit; /**< visited counter for walks of the type
139 struct dbg_info *dbi; /**< A pointer to information for debug support.
141 void *link; /**< To store some intermediate information. */
142 ir_type *repr_class; /**< If this entity represents a class info, the
145 /* ------------- fields for entities owned by a class type ---------------*/
147 ir_entity **overwrites; /**< A list of entities this entity overwrites.
149 ir_entity **overwrittenby; /**< A list of entities that overwrite this
152 /* ------------- fields for atomic entities --------------- */
153 ir_initializer_t *initializer; /**< entity initializer */
155 /* ------------- fields for compound entities -------------- */
156 compound_ent_attr cmpd_attr;
157 /* ------------- fields for method entities ---------------- */
158 method_ent_attr mtd_attr;
159 /* fields for code entities */
160 code_ent_attr code_attr;
161 } attr; /**< type specific attributes */
163 /* ------------- fields for analyses ---------------*/
166 long nr; /**< A unique node number for each node to make output
171 /** Initialize the entity module. */
172 void ir_init_entity(void);
173 /** Cleanup entity module */
174 void ir_finish_entity(void);
176 /* ----------------------- inline functions ------------------------ */
177 static inline int _is_entity(const void *thing)
179 return get_kind(thing) == k_entity;
182 static inline const char *_get_entity_name(const ir_entity *ent)
184 assert(ent && ent->kind == k_entity);
185 return get_id_str(get_entity_ident(ent));
188 static inline ident *_get_entity_ident(const ir_entity *ent)
190 assert(ent && ent->kind == k_entity);
194 static inline void _set_entity_ident(ir_entity *ent, ident *id)
196 assert(ent && ent->kind == k_entity);
200 static inline ir_type *_get_entity_owner(const ir_entity *ent)
202 assert(ent && ent->kind == k_entity);
206 static inline ident *_get_entity_ld_ident(const ir_entity *ent)
208 assert(ent && ent->kind == k_entity);
209 if (ent->ld_name == NULL)
214 static inline void _set_entity_ld_ident(ir_entity *ent, ident *ld_ident)
216 assert(ent && ent->kind == k_entity);
217 ent->ld_name = ld_ident;
220 static inline const char *_get_entity_ld_name(const ir_entity *ent)
222 assert(ent && ent->kind == k_entity);
223 return get_id_str(get_entity_ld_ident(ent));
226 static inline ir_type *_get_entity_type(const ir_entity *ent)
228 assert(ent && ent->kind == k_entity);
232 static inline void _set_entity_type(ir_entity *ent, ir_type *type)
234 assert(ent && ent->kind == k_entity);
238 static inline ir_linkage _get_entity_linkage(const ir_entity *ent)
240 assert(ent && ent->kind == k_entity);
244 static inline ir_volatility _get_entity_volatility(const ir_entity *ent)
246 assert(ent && ent->kind == k_entity);
247 return ent->volatility;
250 static inline void _set_entity_volatility(ir_entity *ent, ir_volatility vol)
252 assert(ent && ent->kind == k_entity);
253 ent->volatility = vol;
256 static inline unsigned _get_entity_alignment(const ir_entity *ent)
258 assert(ent && ent->kind == k_entity);
259 return ent->alignment;
262 static inline void _set_entity_alignment(ir_entity *ent, unsigned alignment)
264 assert(ent && ent->kind == k_entity);
265 ent->alignment = alignment;
268 static inline ir_align _get_entity_aligned(const ir_entity *ent)
270 assert(ent && ent->kind == k_entity);
274 static inline void _set_entity_aligned(ir_entity *ent, ir_align a)
276 assert(ent && ent->kind == k_entity);
280 static inline int _is_entity_compiler_generated(const ir_entity *ent)
282 assert(ent && ent->kind == k_entity);
283 return ent->compiler_gen;
286 static inline void _set_entity_compiler_generated(ir_entity *ent, int flag)
288 assert(ent && ent->kind == k_entity);
289 ent->compiler_gen = flag ? 1 : 0;
292 static inline ir_entity_usage _get_entity_usage(const ir_entity *ent)
294 assert(ent && ent->kind == k_entity);
298 static inline void _set_entity_usage(ir_entity *ent, ir_entity_usage state)
300 assert(ent && ent->kind == k_entity);
304 static inline int _get_entity_offset(const ir_entity *ent)
306 assert(ent && ent->kind == k_entity);
310 static inline void _set_entity_offset(ir_entity *ent, int offset)
312 assert(ent && ent->kind == k_entity);
313 ent->offset = offset;
316 static inline unsigned char _get_entity_offset_bits_remainder(const ir_entity *ent)
318 assert(ent && ent->kind == k_entity);
319 return ent->offset_bit_remainder;
322 static inline void _set_entity_offset_bits_remainder(ir_entity *ent, unsigned char offset)
324 assert(ent && ent->kind == k_entity);
325 ent->offset_bit_remainder = offset;
328 static inline void *_get_entity_link(const ir_entity *ent)
330 assert(ent && ent->kind == k_entity);
334 static inline void _set_entity_link(ir_entity *ent, void *l)
336 assert(ent && ent->kind == k_entity);
340 static inline ir_graph *_get_entity_irg(const ir_entity *ent)
343 assert(ent && ent->kind == k_entity);
344 if (!is_Method_type(ent->type) || ent == unknown_entity) {
348 irg = ent->attr.mtd_attr.irg;
349 if (irg != NULL && !get_visit_pseudo_irgs() && is_pseudo_ir_graph(irg))
354 static inline ir_visited_t _get_entity_visited(const ir_entity *ent)
356 assert(ent && ent->kind == k_entity);
360 static inline void _set_entity_visited(ir_entity *ent, ir_visited_t num)
362 assert(ent && ent->kind == k_entity);
366 static inline void _mark_entity_visited(ir_entity *ent)
368 assert(ent && ent->kind == k_entity);
369 ent->visit = firm_type_visited;
372 static inline int _entity_visited(const ir_entity *ent)
374 return _get_entity_visited(ent) >= firm_type_visited;
377 static inline int _entity_not_visited(const ir_entity *ent)
379 return _get_entity_visited(ent) < firm_type_visited;
382 static inline ir_type *_get_entity_repr_class(const ir_entity *ent)
384 assert(ent && ent->kind == k_entity);
385 return ent->repr_class;
388 static inline dbg_info *_get_entity_dbg_info(const ir_entity *ent)
393 static inline void _set_entity_dbg_info(ir_entity *ent, dbg_info *db)
398 #define is_entity(thing) _is_entity(thing)
399 #define get_entity_name(ent) _get_entity_name(ent)
400 #define get_entity_ident(ent) _get_entity_ident(ent)
401 #define set_entity_ident(ent, id) _set_entity_ident(ent, id)
402 #define get_entity_owner(ent) _get_entity_owner(ent)
403 #define get_entity_ld_ident(ent) _get_entity_ld_ident(ent)
404 #define set_entity_ld_ident(ent, ld_ident) _set_entity_ld_ident(ent, ld_ident)
405 #define get_entity_ld_name(ent) _get_entity_ld_name(ent)
406 #define get_entity_type(ent) _get_entity_type(ent)
407 #define set_entity_type(ent, type) _set_entity_type(ent, type)
408 #define get_entity_linkage(ent) _get_entity_linkage(ent)
409 #define get_entity_volatility(ent) _get_entity_volatility(ent)
410 #define set_entity_volatility(ent, vol) _set_entity_volatility(ent, vol)
411 #define set_entity_alignment(ent, alignment) _set_entity_alignment(ent, alignment)
412 #define get_entity_alignment(ent) _get_entity_alignment(ent)
413 #define get_entity_align(ent) _get_entity_align(ent)
414 #define set_entity_align(ent, a) _set_entity_align(ent, a)
415 #define is_entity_compiler_generated(ent) _is_entity_compiler_generated(ent)
416 #define set_entity_compiler_generated(ent, flag) _set_entity_compiler_generated(ent, flag)
417 #define get_entity_usage(ent) _get_entity_usage(ent)
418 #define set_entity_usage(ent, flags) _set_entity_usage(ent, flags)
419 #define get_entity_offset(ent) _get_entity_offset(ent)
420 #define set_entity_offset(ent, offset) _set_entity_offset(ent, offset)
421 #define get_entity_offset_bits_remainder(ent) _get_entity_offset_bits_remainder(ent)
422 #define set_entity_offset_bits_remainder(ent, o) _set_entity_offset_bits_remainder(ent, o)
423 #define get_entity_link(ent) _get_entity_link(ent)
424 #define set_entity_link(ent, l) _set_entity_link(ent, l)
425 #define get_entity_irg(ent) _get_entity_irg(ent)
426 #define get_entity_visited(ent) _get_entity_visited(ent)
427 #define set_entity_visited(ent, num) _set_entity_visited(ent, num)
428 #define mark_entity_visited(ent) _mark_entity_visited(ent)
429 #define entity_visited(ent) _entity_visited(ent)
430 #define entity_not_visited(ent) _entity_not_visited(ent)
431 #define get_entity_repr_class(ent) _get_entity_repr_class(ent)
432 #define get_entity_dbg_info(ent) _get_entity_dbg_info(ent)
433 #define set_entity_dbg_info(ent, db) _set_entity_dbg_info(ent, db)