6951784: Zero deoptimizer changes
Summary: The way Zero currently handles deoptimization can lead to methods being freed while they are still being executed.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
/*
* Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2007 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.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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*/
#include "incls/_precompiled.incl"
#include "incls/_icBuffer_zero.cpp.incl"
int InlineCacheBuffer::ic_stub_code_size() {
// NB set this once the functions below are implemented
return 4;
}
void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin,
oop cached_oop,
address entry_point) {
// NB ic_stub_code_size() must return the size of the code we generate
ShouldNotCallThis();
}
address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) {
// NB ic_stub_code_size() must return the size of the code we generate
ShouldNotCallThis();
}
oop InlineCacheBuffer::ic_buffer_cached_oop(address code_begin) {
// NB ic_stub_code_size() must return the size of the code we generate
ShouldNotCallThis();
}