X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Fircons.h;h=c665f569f0ede919ea1aeaa936a81907ddb8c906;hb=b78bdd4d94de46de4156272e6dbfe44e97933a5b;hp=d761a62e5ff58dc6ea69c4005b28c7b2f531009a;hpb=cb23558d99ae5a5e98531ec861ba32497fb5a93f;p=libfirm diff --git a/ir/ir/ircons.h b/ir/ir/ircons.h index d761a62e5..c665f569f 100644 --- a/ir/ir/ircons.h +++ b/ir/ir/ircons.h @@ -522,15 +522,18 @@ * --------------------------------------------------------------------------- * * There are three kinds of symbolic constants: - * symconst_type_tag The symbolic constant represents a type tag. - * symconst_size The symbolic constant represents the size of a class. - * symconst_addr_name Information for the linker, e.g. the name of a global - * variable. + * symconst_type_tag The symbolic constant represents a type tag. + * symconst_type_size The symbolic constant represents the size of a type. + * symconst_type_align The symbolic constant represents the alignment of a type. + * symconst_addr_name Information for the linker, e.g. the name of a global + * variable. + * symconst_addr_name The symbolic constant represents the address of an entity. + * * To represent a pointer to an entity that is represented by an entity * datastructure don't use * new_SymConst((type_or_id*)get_entity_ld_ident(ent), symconst_addr_name);. * Use a real const instead: - * new_SymConst(mode_P_mach, tarval_p_from_entity(ent)); + * new_SymConst(ent, symconst_addr_ent); * This makes the Constant independent of name changes of the entity due to * mangling. * @@ -548,9 +551,13 @@ * Attributes: * attr.i.num The symconst_addr_ent, i.e. one of * -symconst_type_tag - * -symconst_size - * - symconst_addr_name - * If the attr.i.num is symconst_type_tag or symconst_size, the node contains an attribute + * -symconst_type_size + * -symconst_type_align + * -symconst_addr_name + * + * If the attr.i.num is symconst_type_tag, symconst_type_size or symconst_type_align, + * the node contains an attribute: + * * attr.i.*type, a pointer to a type_class. The mode of the node is mode_Is. * if it is linkage_ptr_info it contains * attr.i.*ptrinfo, an ident holding information for the linker. The mode @@ -1087,8 +1094,8 @@ * node. * */ -#ifndef _IRCONS_H_ -#define _IRCONS_H_ +#ifndef _FIRM_IR_IRCONS_H_ +#define _FIRM_IR_IRCONS_H_ #include "firm_common.h" #include "irnode.h" @@ -1231,17 +1238,20 @@ ir_node *new_rd_Const (dbg_info *db, ir_graph *irg, ir_node *block, * * This is the constructor for a symbolic constant. * There are four kinds of symbolic constants: - * - type_tag The symbolic constant represents a type tag. The type the - * tag stands for is given explicitly. - * - size The symbolic constant represents the size of a type. The - * type of which the constant represents the size is given - * explicitly. - * - addr_name The symbolic constant represents the address of an entity - * (variable or method). The variable is indicated by a name - * that is valid for linking. + * - type_tag The symbolic constant represents a type tag. The type the + * tag stands for is given explicitly. + * - type_size The symbolic constant represents the size of a type. The + * type of which the constant represents the size is given + * explicitly. + * - type_align The symbolic constant represents the alignment of a type. The + * type of which the constant represents the size is given + * explicitly. + * - addr_name The symbolic constant represents the address of an entity + * (variable or method). The variable is indicated by a name + * that is valid for linking. * - addr_ent The symbolic constant represents the address of an entity - * (variable or method). The variable is given explicitly by - * a firm entity. + * (variable or method). The variable is given explicitly by + * a firm entity. * * Inputs to the node: * No inputs except the block it belongs to. @@ -1291,10 +1301,17 @@ ir_node *new_rd_SymConst_type_tag (dbg_info *db, ir_graph *irg, ir_type *symbol, /** Constructor for a SymConst size node. * * Same as new_rd_SymConst_type, except that the constructor is tailored for - * symconst_addr_ent. + * symconst_type_size. * Adds the SymConst to the start block of irg. */ ir_node *new_rd_SymConst_size (dbg_info *db, ir_graph *irg, ir_type *symbol, ir_type *tp); +/** Constructor for a SymConst size node. + * + * Same as new_rd_SymConst_type, except that the constructor is tailored for + * symconst_type_align. + * Adds the SymConst to the start block of irg. */ +ir_node *new_rd_SymConst_align (dbg_info *db, ir_graph *irg, ir_type *symbol, ir_type *tp); + /** Constructor for a simpleSel node. * * This is a shortcut for the new_rd_Sel() constructor. To be used for @@ -2447,7 +2464,7 @@ ir_node *new_r_Alloc (ir_graph *irg, ir_node *block, ir_node *store, ir_node *new_r_Free (ir_graph *irg, ir_node *block, ir_node *store, ir_node *ptr, ir_node *size, ir_type *free_type, where_alloc where); -/** Constructor for a Sync node. +/** Constructor for a Sync node. * * Merges several memory values. The node assumes that a variable * either occurs only in one of the memories, or it contains the same @@ -2459,7 +2476,7 @@ ir_node *new_r_Free (ir_graph *irg, ir_node *block, ir_node *store, * @param *in[] An array of pointers to nodes that produce an output of type memory. * The constructor copies this array. */ -ir_node *new_r_Sync (ir_graph *irg, ir_node *block, int arity, ir_node *in[]); +ir_node *new_r_Sync (ir_graph *irg, ir_node *block, int arity, ir_node *in[]); /** Constructor for a Proj node. * @@ -2850,8 +2867,8 @@ ir_node *new_d_Const (dbg_info *db, ir_mode *mode, tarval *con); * * @param *db A pointer for debug information. * @param value A type, entity or ident depending on the SymConst kind. - * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_size - * or symconst_addr_name. + * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_type_size, + * symconst_type_align, symconst_addr_name or symconst_addr_ent. * @param tp The source type of the constant. */ ir_node *new_d_SymConst_type (dbg_info *db, union symconst_symbol value, symconst_kind kind, ir_type *tp); @@ -3580,6 +3597,9 @@ ir_node *new_Const_type(tarval *con, ir_type *tp); * -# size The symbolic constant represents the size of a type. The * type of which the constant represents the size is given * explicitly. + * -# align The symbolic constant represents the alignment of a type. The + * type of which the constant represents the size is given + * explicitly. * -# addr_name The symbolic constant represents the address of an entity * (variable or method). The variable is indicated by a name * that is valid for linking. @@ -3593,7 +3613,8 @@ ir_node *new_Const_type(tarval *con, ir_type *tp); * An unsigned integer (I_u) or a pointer (P). * * @param value A type or a ident depending on the SymConst kind. - * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_size or symconst_addr_name. + * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_type_size + * symconst_type_align, symconst_addr_name or symconst_addr_ent. */ ir_node *new_SymConst (union symconst_symbol value, symconst_kind kind); @@ -3920,7 +3941,7 @@ ir_node *new_Alloc (ir_node *store, ir_node *size, ir_type *alloc_type, ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size, ir_type *free_type, where_alloc where); -/** Constructor for a Sync node. +/** Constructor for a Sync node. * * Merges several memory values. The node assumes that a variable * either occurs only in one of the memories, or it contains the same @@ -4205,4 +4226,4 @@ void irp_finalize_cons(void); */ typedef ir_node *uninitialized_local_variable_func_t(ir_graph *irg, ir_mode *mode, int pos); -#endif /* _IRCONS_H_ */ +#endif /* _FIRM_IR_IRCONS_H_ */