Revision: 15684
http://jikesrvm.svn.sourceforge.net/jikesrvm/?rev=15684&view=revAuthor: dgrove-oss
Date: 2009-05-07 20:08:18 +0000 (Thu, 07 May 2009)
Log Message:
-----------
RVM-709 : Document meaning of constants in BuildReferenceMaps
Modified Paths:
--------------
rvmroot/trunk/rvm/src/org/jikesrvm/compilers/baseline/BuildReferenceMaps.java
Modified: rvmroot/trunk/rvm/src/org/jikesrvm/compilers/baseline/BuildReferenceMaps.java
===================================================================
--- rvmroot/trunk/rvm/src/org/jikesrvm/compilers/baseline/BuildReferenceMaps.java 2009-05-07 17:48:22 UTC (rev 15683)
+++ rvmroot/trunk/rvm/src/org/jikesrvm/compilers/baseline/BuildReferenceMaps.java 2009-05-07 20:08:18 UTC (rev 15684)
@@ -35,11 +35,29 @@
*/
final class BuildReferenceMaps implements BytecodeConstants, ClassLoaderConstants, BBConstants {
+ /**
+ * The entry in the reference map contains a value that is not a reference.
+ */
static final byte NON_REFERENCE = 0;
+ /**
+ * The entry in the reference map contains a value that is a reference.
+ */
static final byte REFERENCE = 1;
+ /**
+ * The entry in the reference map contains a JSR return address.
+ */
static final byte RETURN_ADDRESS = 2;
+ /**
+ * The entry in the reference map is not set in a JSR body.
+ */
static final byte NOT_SET = 0;
+ /**
+ * The entry in the reference map is set to a value that is a reference within a JSR body.
+ */
static final byte SET_TO_REFERENCE = 1;
+ /**
+ * The entry in the reference map is set to a value that is not a reference within a JSR body.
+ */
static final byte SET_TO_NONREFERENCE = 3;
private static enum PrimitiveSize {
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