6964458: Reimplement class meta-data storage to use native memory

Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -123,7 +123,7 @@ class VtableStubs : AllStatic {
static inline uint hash (bool is_vtable_stub, int vtable_index);
public:
static address create_stub(bool is_vtable_stub, int vtable_index, methodOop method); // return the entry point of a stub for this call
static address create_stub(bool is_vtable_stub, int vtable_index, Method* method); // return the entry point of a stub for this call
static bool is_entry_point(address pc); // is pc a vtable stub entry point?
static bool contains(address pc); // is pc within any stub?
static VtableStub* stub_containing(address pc); // stub containing pc or NULL