1 /* src/native/localref.h - Management of local reference tables
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 $Id: localref.h 8313 2007-08-15 22:11:35Z twisti $
33 /* forward typedefs ***********************************************************/
35 typedef struct localref_table localref_table;
40 #include "vm/global.h"
43 /* localref_table **************************************************************
45 ATTENTION: keep this structure a multiple of 8-bytes!!! This is
46 essential for the native stub on 64-bit architectures.
48 *******************************************************************************/
50 #define LOCALREFTABLE_CAPACITY 16
52 struct localref_table {
53 s4 capacity; /* table size */
54 s4 used; /* currently used references */
55 s4 localframes; /* number of current frames */
56 s4 PADDING; /* 8-byte padding */
57 localref_table *prev; /* link to prev table (LocalFrame) */
58 java_object_t *refs[LOCALREFTABLE_CAPACITY]; /* references */
62 #if defined(ENABLE_THREADS)
63 #define LOCALREFTABLE (THREADOBJECT->_localref_table)
65 extern localref_table *_no_threads_localref_table;
67 #define LOCALREFTABLE (_no_threads_localref_table)
71 /* function prototypes ********************************************************/
73 bool localref_table_init(void);
74 void localref_table_add(localref_table *lrt);
75 void localref_table_remove();
76 bool localref_frame_push(int32_t capacity);
77 void localref_frame_pop_all(void);
80 void localref_dump(void);
84 #endif /* _LOCALREF_H */
88 * These are local overrides for various environment variables in Emacs.
89 * Please do not remove this and leave it at the end of the file, where
90 * Emacs will automagically detect them.
91 * ---------------------------------------------------------------------