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From: cvs at opencores.org<cvs@o...>
Date: Sat Dec 30 18:05:36 CET 2006
Subject: [cvs-checkins] MODIFIED: jop ...
Date: 00/06/12 30:18:05

Modified: jop/java/tools/src/com/jopdesign/build ClassInfo.java
Log:
comments


Revision Changes Path
1.10 jop/java/tools/src/com/jopdesign/build/ClassInfo.java

http://www.opencores.org/cvsweb.shtml/jop/java/tools/src/com/jopdesign/build/ClassInfo.java.diff?r1=1.9&r2=1.10

(In the diff below, changes in quantity of whitespace are not shown.)

Index: ClassInfo.java
===================================================================
RCS file: /cvsroot/martin/jop/java/tools/src/com/jopdesign/build/ClassInfo.java,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -b -r1.9 -r1.10
--- ClassInfo.java 16 Aug 2005 12:39:01 -0000 1.9
+++ ClassInfo.java 30 Dec 2006 17:05:35 -0000 1.10
@@ -16,7 +16,6 @@
*
* Class struct:
*
- * -n: class variables
* 0: instance size (class reference)
* 1: GC info field (one bit per field)
* 2: pointer to interface table
@@ -25,35 +24,26 @@
* : constant pool (cp)
* : optional interface table
*
- * Flavius type class struct:
+ * class variables are collected in one area for
+ * easier GC access of the reference types
*
- * A Class struct image should look as follows:
- * (the byte code for used Methods is output and at known locations)
- *
- * a. GCInfo: USE length + PACKED 2w into 1w ? (not big anyway)
- * b. static fields
- * c. -2. addrOf(staticfields)
- * c. -1. addrOf(GCInfo)
- * c. 0. instance size (class struct ptr)
- * c. 1. addrOf(interfaces)
- * d. method table, 2w per entry
- * - uses f or other classes' f
- * e. addrOf(class struct)
- * f. constant pool
- * - length
- * - uses entries in b. and d.
*/

public class ClassInfo {

+ /**
+ * Size of the class header.
+ * Difference between class pointer and mtab pointer.
+ */
static final int CLS_HEAD = 3;
+ /**
+ * Size of a method table entry.
+ */
static final int METH_STR = 2;
- static final int CONST_STR = 1;

static class IT {
int nr;
String key;
-// String nativeName;
MethodInfo meth;
}