/* src/mm/cacao-gc/gc.h - main garbage collector header
- Copyright (C) 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 2006, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id$
-
*/
#include "config.h"
#include "vm/types.h"
-#if defined(ENABLE_THREADS)
-# include "threads/native/threads.h"
-#endif
+#include "threads/thread.h"
+#include "toolbox/list.h"
#include "vm/jit/replace.h"
# error "GC does only work with replacement enabled!"
#endif
-#if 1 && !defined(__ALPHA__) && !defined(__I386__) && !defined(__POWERPC__) && !defined(__X86_64__)
-# error "GC was only ported to i386 so far!"
+#if 1 && !defined(ENABLE_HANDLES)
+# error "GC does only work with handles (indirection cells) enabled!"
+#endif
+
+#if 1 && !defined(__ALPHA__) && !defined(__ARM__) && !defined(__I386__) && !defined(__POWERPC__) && !defined(__X86_64__) && !defined(__M68K__) && !defined(__SPARC_64__)
+# error "GC was only ported to some architectures so far!"
#endif
#define POINTS_INTO(ptr, ptr_start, ptr_end) \
((void *) (ptr) >= (ptr_start) && (void *) (ptr) < (ptr_end))
+#define GC_ALIGN_SIZE SIZEOF_VOID_P
+#define GC_ALIGN(val,size) ((((val) + (size) - 1) / (size)) * (size))
+
/* Global Variables ***********************************************************/
extern bool gc_pending;
extern bool gc_notify_finalizer;
+extern list_t *gc_reflist_strong;
+extern list_t *gc_reflist_weak;
+
+
+/* Structures *****************************************************************/
+
+typedef struct list_gcref_entry_t list_gcref_entry_t;
+
+struct list_gcref_entry_t {
+ listnode_t linkage;
+ java_object_t **ref;
+#if !defined(NDEBUG)
+ s4 reftype;
+#endif
+};
+
+
+/* Global GC mutext stuff *****************************************************/
+
+#if defined(ENABLE_THREADS)
+# define GC_MUTEX_LOCK threads_mutex_gc_lock()
+# define GC_MUTEX_UNLOCK threads_mutex_gc_unlock()
+#else
+# define GC_MUTEX_LOCK
+# define GC_MUTEX_UNLOCK
+#endif
+
/* No-Thread specific stuff ***************************************************/
#define GCSTAT_DEC(cnt) { (cnt)--; GC_ASSERT((cnt) >= 0); }
#define GCSTAT_COUNT_MAX(cnt,max) { (cnt)++; if ((cnt) > (max)) (max) = (cnt); }
+extern int gcstat_collections;
+extern int gcstat_collections_forced;
extern int gcstat_mark_depth;
extern int gcstat_mark_depth_max;
extern int gcstat_mark_count;
void gcstat_println();
+#else /* defined(ENABLE_STATISTICS) */
+
+#define GCSTAT_INIT(cnt)
+#define GCSTAT_COUNT(cnt)
+#define GCSTAT_DEC(cnt)
+#define GCSTAT_COUNT_MAX(cnt,max)
+
#endif /* defined(ENABLE_STATISTICS) */