| /* Abstraction of various C++ ABI's we support, and the info we need |
| to get from them. |
| Contributed by Daniel Berlin <dberlin@redhat.com> |
| Copyright 2001 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or |
| modify |
| it under the terms of the GNU General Public License as published |
| by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef CP_ABI_H_ |
| #define CP_ABI_H_ 1 |
| |
| /* Kinds of constructors. All these values are guaranteed to be |
| non-zero. */ |
| enum ctor_kinds { |
| |
| /* Initialize a complete object, including virtual bases, using |
| memory provided by caller. */ |
| complete_object_ctor = 1, |
| |
| /* Initialize a base object of some larger object. */ |
| base_object_ctor, |
| |
| /* An allocating complete-object constructor. */ |
| complete_object_allocating_ctor |
| }; |
| |
| |
| /* Kinds of destructors. All these values are guaranteed to be |
| non-zero. */ |
| enum dtor_kinds { |
| |
| /* A destructor which finalizes the entire object, and then calls |
| `delete' on its storage. */ |
| deleting_dtor = 1, |
| |
| /* A destructor which finalizes the entire object, but does not call |
| `delete'. */ |
| complete_object_dtor, |
| |
| /* A destructor which finalizes a subobject of some larger object. */ |
| base_object_dtor |
| }; |
| |
| |
| struct cp_abi_ops |
| { |
| const char *shortname; |
| const char *longname; |
| const char *doc; |
| |
| /* The functions here that attempt to determine what sort of thing a |
| mangled name refers to may well be revised in the future. It |
| would certainly be cleaner to carry this information explicitly |
| in GDB's data structures than to derive it from the mangled name. */ |
| |
| /* Return non-zero iff NAME is the mangled name of a constructor. |
| Actually, return an `enum ctor_kind' value describing what *kind* |
| of constructor it is. */ |
| enum ctor_kinds (*is_constructor_name) (const char *name); |
| |
| /* Return non-zero iff NAME is the mangled name of a destructor. |
| Actually, return an `enum dtor_kind' value describing what *kind* |
| of destructor it is. */ |
| enum dtor_kinds (*is_destructor_name) (const char *name); |
| |
| /* Return non-zero iff NAME is the mangled name of a vtable. */ |
| int (*is_vtable_name) (const char *name); |
| |
| /* Return non-zero iff NAME is the un-mangled name of an operator, |
| perhaps scoped within some class. */ |
| int (*is_operator_name) (const char *name); |
| |
| value_ptr (*virtual_fn_field) (value_ptr * arg1p, struct fn_field * f, |
| int j, struct type * type, int offset); |
| |
| /* Find the real run-time type of a value using RTTI. |
| * V is a pointer to the value. |
| * A pointer to the struct type entry of the run-time type |
| * is returneed. |
| * FULL is a flag that is set only if the value V includes |
| * the entire contents of an object of the RTTI type. |
| * TOP is the offset to the top of the enclosing object of |
| * the real run-time type. This offset may be for the embedded |
| * object, or for the enclosing object of V. |
| * USING_ENC is the flag that distinguishes the two cases. |
| * If it is 1, then the offset is for the enclosing object, |
| * otherwise for the embedded object. |
| * |
| */ |
| |
| struct type *(*rtti_type) (value_ptr v, int *full, int *top, |
| int *using_enc); |
| }; |
| |
| |
| extern struct cp_abi_ops *cp_abis; |
| |
| extern int num_cp_abis; |
| |
| extern struct cp_abi_ops current_cp_abi; |
| |
| extern enum ctor_kinds is_constructor_name (const char *name); |
| extern enum dtor_kinds is_destructor_name (const char *name); |
| extern int is_vtable_name (const char *name); |
| extern int is_operator_name (const char *name); |
| extern value_ptr value_virtual_fn_field (value_ptr * arg1p, |
| struct fn_field *f, int j, |
| struct type *type, int offset); |
| extern struct type *value_rtti_type (value_ptr v, int *full, int *top, |
| int *using_enc); |
| extern int register_cp_abi (struct cp_abi_ops abi); |
| extern int switch_to_cp_abi (const char *short_name); |
| |
| #endif |
| |