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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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8
hotspot/src/share/vm/memory/blockOffsetTable.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 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
@ -42,7 +42,6 @@
//
class ContiguousSpace;
class SerializeOopClosure;
//////////////////////////////////////////////////////////////////////////
// The BlockOffsetTable "interface"
@ -258,9 +257,6 @@ public:
// returned to the start of a region. It is a simple
// primitive.
HeapWord* inc_by_region_size(HeapWord* p) const { return p + N_words; }
// Shared space support
void serialize(SerializeOopClosure* soc, HeapWord* start, HeapWord* end);
};
//////////////////////////////////////////////////////////////////////////
@ -563,8 +559,6 @@ class BlockOffsetArrayContigSpace: public BlockOffsetArray {
HeapWord* block_start_unsafe(const void* addr) const;
void serialize(SerializeOopClosure* soc);
// Debugging support
virtual size_t last_active_index() const;
};