1 /* Support functions for general registry objects.
3 Copyright (C) 2011, 2012
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "gdb_assert.h"
24 #include "gdb_string.h"
26 const struct registry_data
*
27 register_data_with_cleanup (struct registry_data_registry
*registry
,
28 registry_data_callback save
,
29 registry_data_callback free
)
31 struct registry_data_registration
**curr
;
33 /* Append new registration. */
34 for (curr
= ®istry
->registrations
;
36 curr
= &(*curr
)->next
)
39 *curr
= XMALLOC (struct registry_data_registration
);
41 (*curr
)->data
= XMALLOC (struct registry_data
);
42 (*curr
)->data
->index
= registry
->num_registrations
++;
43 (*curr
)->data
->save
= save
;
44 (*curr
)->data
->free
= free
;
50 registry_alloc_data (struct registry_data_registry
*registry
,
51 struct registry_fields
*fields
)
53 gdb_assert (fields
->data
== NULL
);
54 fields
->num_data
= registry
->num_registrations
;
55 fields
->data
= XCALLOC (fields
->num_data
, void *);
59 registry_clear_data (struct registry_data_registry
*data_registry
,
60 registry_callback_adaptor adaptor
,
61 struct registry_container
*container
,
62 struct registry_fields
*fields
)
64 struct registry_data_registration
*registration
;
67 gdb_assert (fields
->data
!= NULL
);
69 /* Process all the save handlers. */
71 for (registration
= data_registry
->registrations
, i
= 0;
73 registration
= registration
->next
, i
++)
74 if (fields
->data
[i
] != NULL
&& registration
->data
->save
!= NULL
)
75 adaptor (registration
->data
->save
, container
, fields
->data
[i
]);
77 /* Now process all the free handlers. */
79 for (registration
= data_registry
->registrations
, i
= 0;
81 registration
= registration
->next
, i
++)
82 if (fields
->data
[i
] != NULL
&& registration
->data
->free
!= NULL
)
83 adaptor (registration
->data
->free
, container
, fields
->data
[i
]);
85 memset (fields
->data
, 0, fields
->num_data
* sizeof (void *));
89 registry_container_free_data (struct registry_data_registry
*data_registry
,
90 registry_callback_adaptor adaptor
,
91 struct registry_container
*container
,
92 struct registry_fields
*fields
)
94 void ***rdata
= &fields
->data
;
95 gdb_assert (*rdata
!= NULL
);
96 registry_clear_data (data_registry
, adaptor
, container
, fields
);
102 registry_set_data (struct registry_fields
*fields
,
103 const struct registry_data
*data
,
106 gdb_assert (data
->index
< fields
->num_data
);
107 fields
->data
[data
->index
] = value
;
111 registry_data (struct registry_fields
*fields
,
112 const struct registry_data
*data
)
114 gdb_assert (data
->index
< fields
->num_data
);
115 return fields
->data
[data
->index
];