1 // Copyright (C) 1994-2018 Free Software Foundation, Inc.
3 // This file is part of GCC.
5 // GCC is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 3, or (at your option)
10 // GCC is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // Under Section 7 of GPL version 3, you are granted additional
16 // permissions described in the GCC Runtime Library Exception, version
17 // 3.1, as published by the Free Software Foundation.
19 // You should have received a copy of the GNU General Public License and
20 // a copy of the GCC Runtime Library Exception along with this program;
21 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
22 // <http://www.gnu.org/licenses/>.
26 namespace __cxxabiv1
{
28 __si_class_type_info::
29 ~__si_class_type_info ()
32 __class_type_info::__sub_kind
__si_class_type_info::
33 __do_find_public_src (ptrdiff_t src2dst
,
35 const __class_type_info
*src_type
,
36 const void *src_ptr
) const
38 if (src_ptr
== obj_ptr
&& *this == *src_type
)
39 return __contained_public
;
40 return __base_type
->__do_find_public_src (src2dst
, obj_ptr
, src_type
, src_ptr
);
43 bool __si_class_type_info::
44 __do_dyncast (ptrdiff_t src2dst
,
45 __sub_kind access_path
,
46 const __class_type_info
*dst_type
,
48 const __class_type_info
*src_type
,
50 __dyncast_result
&__restrict result
) const
52 if (*this == *dst_type
)
54 result
.dst_ptr
= obj_ptr
;
55 result
.whole2dst
= access_path
;
57 result
.dst2src
= adjust_pointer
<void> (obj_ptr
, src2dst
) == src_ptr
58 ? __contained_public
: __not_contained
;
59 else if (src2dst
== -2)
60 result
.dst2src
= __not_contained
;
63 if (obj_ptr
== src_ptr
&& *this == *src_type
)
65 // The src object we started from. Indicate how we are accessible from
66 // the most derived object.
67 result
.whole2src
= access_path
;
70 return __base_type
->__do_dyncast (src2dst
, access_path
, dst_type
, obj_ptr
,
71 src_type
, src_ptr
, result
);
74 bool __si_class_type_info::
75 __do_upcast (const __class_type_info
*dst
, const void *obj_ptr
,
76 __upcast_result
&__restrict result
) const
78 if (__class_type_info::__do_upcast (dst
, obj_ptr
, result
))
81 return __base_type
->__do_upcast (dst
, obj_ptr
, result
);