/* src/vm/global.h - global definitions
- Copyright (C) 1996-2005, 2007, 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) 1996-2005, 2006, 2007, 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: global.h 8245 2007-07-31 09:55:04Z michi $
-
*/
#define _GLOBAL_H
#include "config.h"
+
+#include <stdint.h>
+
#include "vm/types.h"
#define true 1
#define false 0
-
#if defined(ENABLE_SSA)
/* immediate to get an addidional target Local Var Index */
/* for IINC in Combination with SSA */
#define ALIGN_2(a) ALIGN_EVEN(a)
+/* printf format defines ******************************************************/
+
+/* Define printf formats which change size between 32- and 64-bit. */
+
+#if SIZEOF_VOID_P == 8
+# define PRINTF_FORMAT_INT64_T "%ld"
+#else
+# define PRINTF_FORMAT_INT64_T "%lld"
+#endif
+
+
+/* convenience macros *********************************************************/
+
+/* Makes a string of the argument (which is not macro-expanded). */
+
+#define STR(a) #a
+
+
/* forward typedefs ***********************************************************/
-typedef struct java_objectheader java_objectheader;
-typedef struct java_objectarray java_objectarray;
+typedef struct java_object_t java_object_t;
+typedef struct java_objectarray_t java_objectarray_t;
#define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
#define ACC_CLASS_REFLECT_MASK 0x0000ffff/* flags reported by reflection */
-#define ACC_CLASS_PRIMITIVE 0x00010000/* class is a primitive class */
+#define ACC_CLASS_PRIMITIVE 0x00010000
+#define ACC_CLASS_MEMBER 0x00020000
+#define ACC_CLASS_ANONYMOUS 0x00040000
-#define ACC_CLASS_HAS_POINTERS 0x00020000/* instance contains pointers */
+#define ACC_CLASS_HAS_POINTERS 0x00080000/* instance contains pointers */
-#define ACC_CLASS_REFERENCE_MASK 0x001c0000
-#define ACC_CLASS_REFERENCE_SOFT 0x00040000
-#define ACC_CLASS_REFERENCE_WEAK 0x00080000
-#define ACC_CLASS_REFERENCE_PHANTOM 0x00100000
+#define ACC_CLASS_REFERENCE_MASK 0x00700000
+#define ACC_CLASS_REFERENCE_SOFT 0x00100000
+#define ACC_CLASS_REFERENCE_WEAK 0x00200000
+#define ACC_CLASS_REFERENCE_PHANTOM 0x00400000
/* special flags used in methodinfo *******************************************/
/* data structures of the runtime system **************************************/
-/* java_objectheader ***********************************************************
+/* java_object_t ***************************************************************
All objects (and arrays) which resides on the heap need the
following header at the beginning of the data structure.
*******************************************************************************/
-#define HDRFLAG_FLC 0x01
#define HDRFLAG_MARK1 0x02
#define HDRFLAG_MARK2 0x04
#define HDRFLAG_UNCOLLECTABLE 0x08
#define HDRFLAG_HASH_ATTACHED 0x20
#define HDRFLAG_REFERENCING 0x40
-struct java_objectheader { /* header for all objects */
- struct _vftbl *vftbl; /* pointer to virtual function table */
+struct java_object_t { /* header for all objects */
+ struct _vftbl *vftbl; /* pointer to virtual function table */
#if defined(ENABLE_THREADS)
- struct lock_record_t *monitorPtr;
+ uintptr_t lockword;
#endif
-#if defined(ENABLE_THREADS) || defined(ENABLE_GC_CACAO)
- ptrint hdrflags; /* word containing the FLC and GC bits */
+#if defined(ENABLE_GC_CACAO)
+ uintptr_t hdrflags; /* word containing the GC bits */
#endif
};
which is referenced by the vftbl.
*/
-typedef struct java_arrayheader { /* header for all arrays */
- java_objectheader objheader; /* object header */
+typedef struct java_array_t { /* header for all arrays */
+ java_object_t objheader; /* object header */
s4 size; /* array size */
-} java_arrayheader;
+} java_array_t;
/* booleanarray and bytearray need identical memory layout (access methods
use the same machine code */
-typedef struct java_booleanarray {
- java_arrayheader header;
+typedef struct java_booleanarray_t {
+ java_array_t header;
u1 data[1];
-} java_booleanarray;
+} java_booleanarray_t;
-typedef struct java_bytearray {
- java_arrayheader header;
+typedef struct java_bytearray_t {
+ java_array_t header;
s1 data[1];
-} java_bytearray;
+} java_bytearray_t;
-typedef struct java_chararray {
- java_arrayheader header;
+typedef struct java_chararray_t {
+ java_array_t header;
u2 data[1];
-} java_chararray;
+} java_chararray_t;
-typedef struct java_shortarray {
- java_arrayheader header;
+typedef struct java_shortarray_t {
+ java_array_t header;
s2 data[1];
-} java_shortarray;
+} java_shortarray_t;
-typedef struct java_intarray {
- java_arrayheader header;
+typedef struct java_intarray_t {
+ java_array_t header;
s4 data[1];
-} java_intarray;
+} java_intarray_t;
-typedef struct java_longarray {
- java_arrayheader header;
+typedef struct java_longarray_t {
+ java_array_t header;
s8 data[1];
-} java_longarray;
+} java_longarray_t;
-typedef struct java_floatarray {
- java_arrayheader header;
+typedef struct java_floatarray_t {
+ java_array_t header;
float data[1];
-} java_floatarray;
+} java_floatarray_t;
-typedef struct java_doublearray {
- java_arrayheader header;
+typedef struct java_doublearray_t {
+ java_array_t header;
double data[1];
-} java_doublearray;
+} java_doublearray_t;
/* objectarray and arrayarray need identical memory layout (access methods
use the same machine code */
-struct java_objectarray {
- java_arrayheader header;
- java_objectheader *data[1];
+struct java_objectarray_t {
+ java_array_t header;
+ java_object_t *data[1];
};
+/* java_handle_t ***************************************************************
+
+ TODO: document me!
+
+*******************************************************************************/
+
+#if defined(ENABLE_HANDLES)
+typedef struct java_handle_t {
+ java_object_t *heap_object;
+} java_handle_t;
+
+typedef struct java_handle_objectarray_t { java_objectarray_t *heap_object; } java_handle_objectarray_t;
+typedef struct java_handle_booleanarray_t { java_booleanarray_t *heap_object; } java_handle_booleanarray_t;
+typedef struct java_handle_bytearray_t { java_bytearray_t *heap_object; } java_handle_bytearray_t;
+typedef struct java_handle_chararray_t { java_chararray_t *heap_object; } java_handle_chararray_t;
+typedef struct java_handle_shortarray_t { java_shortarray_t *heap_object; } java_handle_shortarray_t;
+typedef struct java_handle_intarray_t { java_intarray_t *heap_object; } java_handle_intarray_t;
+typedef struct java_handle_longarray_t { java_longarray_t *heap_object; } java_handle_longarray_t;
+typedef struct java_handle_floatarray_t { java_floatarray_t *heap_object; } java_handle_floatarray_t;
+typedef struct java_handle_doublearray_t { java_doublearray_t *heap_object; } java_handle_doublearray_t;
+#else
+typedef java_object_t java_handle_t;
+typedef java_objectarray_t java_handle_objectarray_t;
+typedef java_booleanarray_t java_handle_booleanarray_t;
+typedef java_bytearray_t java_handle_bytearray_t;
+typedef java_chararray_t java_handle_chararray_t;
+typedef java_shortarray_t java_handle_shortarray_t;
+typedef java_intarray_t java_handle_intarray_t;
+typedef java_longarray_t java_handle_longarray_t;
+typedef java_floatarray_t java_handle_floatarray_t;
+typedef java_doublearray_t java_handle_doublearray_t;
+#endif
+
+
/* global constants related to the verifier ***********************************/
/* The verifier needs additional variables in the variable array. Since these */
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