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

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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
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10
hotspot/src/share/vm/code/vtableStubs.cpp
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@ -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
@ -111,7 +111,7 @@ void VtableStubs::initialize() {
}
address VtableStubs::create_stub(bool is_vtable_stub, int vtable_index, methodOop method) {
address VtableStubs::create_stub(bool is_vtable_stub, int vtable_index, Method* method) {
assert(vtable_index >= 0, "must be positive");
VtableStub* s = ShareVtableStubs ? lookup(is_vtable_stub, vtable_index) : NULL;
@ -200,10 +200,10 @@ void vtableStubs_init() {
extern "C" void bad_compiled_vtable_index(JavaThread* thread, oop receiver, int index) {
ResourceMark rm;
HandleMark hm;
klassOop klass = receiver->klass();
instanceKlass* ik = instanceKlass::cast(klass);
Klass* klass = receiver->klass();
InstanceKlass* ik = InstanceKlass::cast(klass);
klassVtable* vt = ik->vtable();
klass->print();
ik->print();
fatal(err_msg("bad compiled vtable dispatch: receiver " INTPTR_FORMAT ", "
"index %d (vtable length %d)",
(address)receiver, index, vt->length()));