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) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 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
@ -45,22 +45,6 @@ class VM_ParallelGCFailedAllocation: public VM_GC_Operation {
HeapWord* result() const { return _result; }
};
class VM_ParallelGCFailedPermanentAllocation: public VM_GC_Operation {
private:
size_t _size;
HeapWord* _result;
public:
VM_ParallelGCFailedPermanentAllocation(size_t size,
unsigned int gc_count,
unsigned int full_gc_count);
virtual VMOp_Type type() const {
return VMOp_ParallelGCFailedPermanentAllocation;
}
virtual void doit();
HeapWord* result() const { return _result; }
};
class VM_ParallelGCSystemGC: public VM_GC_Operation {
public:
VM_ParallelGCSystemGC(unsigned int gc_count, unsigned int full_gc_count,