Joseph Wenninger
Christian Thalinger
- $Id: global.h 5175 2006-07-25 18:30:59Z twisti $
+ $Id: global.h 6030 2006-11-20 14:18:12Z michi $
*/
#define false 0
+#if defined(ENABLE_SSA)
+/* immediate to get an addidional target Local Var Index */
+/* for IINC in Combination with SSA */
+struct imm {
+ s4 i;
+ s4 op1_t;
+};
+#endif
+
/* immediate data union */
typedef union {
void *a;
functionptr fp;
u1 b[8];
+#if defined(ENABLE_SSA)
+ struct imm _i;
+#endif
} imm_union;
typedef struct java_objectarray java_objectarray;
-/* define some CACAO paths ****************************************************/
-
-#define CLASSPATH_LIBRARY_PATH CLASSPATH_LIBDIR "/classpath"
-
-
#define MAX_ALIGN 8 /* most generic alignment for JavaVM values */
#define TYPE_DBL 3
#define TYPE_ADR 4
+#define TYPE_RET 8 /* must not share bits with TYPE_FLT or TYPE_LNG */
+
#define TYPE_VOID 10
#define ACC_CLASS_REFLECT_MASK 0x0000ffff /* flags reported by reflection */
#define ACC_CLASS_HAS_POINTERS 0x00010000 /* instance contains pointers */
+/* special flags used in methodinfo *******************************************/
+
+#define ACC_METHOD_IMPLEMENTED 0x00010000 /* there is an implementation */
+#define ACC_METHOD_MONOMORPHIC 0x00020000 /* currently monomorphic method */
+
/* data structures of the runtime system **************************************/
All objects (and arrays) which resides on the heap need the
following header at the beginning of the data structure.
+ TODO: Include detailed description from the Wiki (ObjectHeader) here.
+
*******************************************************************************/
-struct java_objectheader { /* header for all objects */
- struct _vftbl *vftbl; /* pointer to virtual function table */
+#define HDRFLAG_FLC 0x01
+
+struct java_objectheader { /* header for all objects */
+ struct _vftbl *vftbl; /* pointer to virtual function table */
#if defined(ENABLE_THREADS)
struct lock_record_t *monitorPtr;
- ptrint flcword; /* word containing the FLC bit */
+#endif
+#if defined(ENABLE_THREADS) || defined(ENABLE_GC_CACAO)
+ ptrint hdrflags; /* word containing the FLC and GC bits */
#endif
};
void compiler_unlock();
#endif
+
+/* global constants related to the verifier ***********************************/
+
+/* The verifier needs additional variables in the variable array. Since these */
+/* must be reserved and set by parse.c and stack.c, we define these numbers */
+/* here to avoid mysterious hard-coded constants. */
+/* stack.c needs an extra variable if the verifier is disabled. */
+
+#if defined(ENABLE_VERIFIER)
+# define VERIFIER_EXTRA_LOCALS 1
+# define VERIFIER_EXTRA_VARS 1
+# define STACK_EXTRA_VARS 0
+#else
+# define VERIFIER_EXTRA_LOCALS 0
+# define VERIFIER_EXTRA_VARS 0
+# define STACK_EXTRA_VARS 1
+#endif
+
#endif /* _GLOBAL_H */