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8174749: Use hash table/oops for MemberName table

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Add a Java type called ResolvedMethodName which is immutable and can be stored in a hashtable, that is weakly collected by gc

Reviewed-by: sspitsyn, stefank, jrose
This commit is contained in:
Coleen Phillimore 2017-05-27 09:21:21 -04:00
parent c6116bc283
commit ad874355d3
1 changed files with 9 additions and 4 deletions
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13
jdk/src/java.base/share/classes/java/lang/invoke/MemberName.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -70,13 +70,18 @@ import static java.lang.invoke.MethodHandleStatics.newInternalError;
* and those seven fields omit much of the information in Method. * and those seven fields omit much of the information in Method.
* @author jrose * @author jrose
*/ */
/*non-public*/ final class ResolvedMethodName {
//@Injected JVM_Method* vmtarget;
//@Injected Class<?> vmholder;
};
/*non-public*/ final class MemberName implements Member, Cloneable { /*non-public*/ final class MemberName implements Member, Cloneable {
private Class<?> clazz; // class in which the method is defined private Class<?> clazz; // class in which the member is defined
private String name; // may be null if not yet materialized private String name; // may be null if not yet materialized
private Object type; // may be null if not yet materialized private Object type; // may be null if not yet materialized
private int flags; // modifier bits; see reflect.Modifier private int flags; // modifier bits; see reflect.Modifier
//@Injected JVM_Method* vmtarget; private ResolvedMethodName method; // cached resolved method information
//@Injected int vmindex; //@Injected intptr_t vmindex; // vtable index or offset of resolved member
Object resolution; // if null, this guy is resolved Object resolution; // if null, this guy is resolved
/** Return the declaring class of this member. /** Return the declaring class of this member.