6950178: Zero stack improvements
Summary: Moves the logic for determining the size of the Zero stack into the ZeroStack class.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
/*
* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2008, 2009 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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protected:
MacroAssembler* assembler() const {
return _masm;
}
protected:
address generate_entry(address entry_point) {
ZeroEntry *entry = (ZeroEntry *) assembler()->pc();
assembler()->advance(sizeof(ZeroEntry));
entry->set_entry_point(entry_point);
return (address) entry;
}