* src/native/localref.c: Moved to C++.

[cacao.git] / src / native / localref.hpp

diff --git a/src/native/localref.hpp b/src/native/localref.hpp
new file mode 100644 (file)
index 0000000..41142d9
--- /dev/null
+++ b/src/native/localref.hpp
@@ -0,0 +1,112 @@
+/* src/native/localref.hpp - Management of local reference tables
+
+   Copyright (C) 1996-2005, 2006, 2007, 2008
+   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+
+   This file is part of CACAO.
+
+   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, 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., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.
+
+*/
+
+
+#ifndef _LOCALREF_HPP
+#define _LOCALREF_HPP
+
+/* forward typedefs ***********************************************************/
+
+typedef struct localref_table localref_table;
+
+#include "config.h"
+
+#include "vm/types.h"
+
+#include "vm/global.h"
+#include "vm/method.h"
+
+
+/* localref_table **************************************************************
+
+   ATTENTION: keep this structure a multiple of 8-bytes!!! This is
+   essential for the native stub on 64-bit architectures.
+
+*******************************************************************************/
+
+#define LOCALREFTABLE_CAPACITY    16
+
+struct localref_table {
+       s4                 capacity;        /* table size                         */
+       s4                 used;            /* currently used references          */
+       s4                 localframes;     /* number of current frames           */
+       s4                 PADDING;         /* 8-byte padding                     */
+       localref_table    *prev;            /* link to prev table (LocalFrame)    */
+       java_object_t     *refs[LOCALREFTABLE_CAPACITY]; /* references            */
+};
+
+
+#if defined(ENABLE_THREADS)
+#define LOCALREFTABLE    (THREADOBJECT->_localref_table)
+#else
+extern localref_table *_no_threads_localref_table;
+
+#define LOCALREFTABLE    (_no_threads_localref_table)
+#endif
+
+
+/* function prototypes ********************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool localref_table_init(void);
+bool localref_table_destroy(void);
+void localref_table_add(localref_table *lrt);
+void localref_table_remove();
+
+bool localref_frame_push(int32_t capacity);
+void localref_frame_pop_all(void);
+
+java_handle_t *localref_add(java_object_t *o);
+void           localref_del(java_handle_t *localref);
+
+void localref_native_enter(methodinfo *m, uint64_t *argument_regs, uint64_t *argument_stack);
+void localref_native_exit(methodinfo *m, uint64_t *return_regs);
+
+#if !defined(NDEBUG)
+void localref_dump(void);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _LOCALREF_HPP
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c++
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ * vim:noexpandtab:sw=4:ts=4:
+ */