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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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6
hotspot/src/share/vm/runtime/unhandledOops.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 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
@ -84,7 +84,7 @@ bool match_oop_entry(void *op, UnhandledOopEntry e) {
void UnhandledOops::allow_unhandled_oop(oop* op) {
assert (CheckUnhandledOops, "should only be called with checking option");
int i = _oop_list->find_at_end(op, match_oop_entry);
int i = _oop_list->find_from_end(op, match_oop_entry);
assert(i!=-1, "safe for gc oop not in unhandled_oop_list");
UnhandledOopEntry entry = _oop_list->at(i);
@ -106,7 +106,7 @@ void UnhandledOops::unregister_unhandled_oop(oop* op) {
tty->print_cr("u "INTPTR_FORMAT, op);
}
int i = _oop_list->find_at_end(op, match_oop_entry);
int i = _oop_list->find_from_end(op, match_oop_entry);
assert(i!=-1, "oop not in unhandled_oop_list");
_oop_list->remove_at(i);
}