mirror of
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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
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* Copyright 2008, 2009 Red Hat, Inc.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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class ZeroEntry {
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public:
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ZeroEntry() {
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ShouldNotCallThis();
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}
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private:
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address _entry_point;
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public:
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address entry_point() const {
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return _entry_point;
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}
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void set_entry_point(address entry_point) {
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_entry_point = entry_point;
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}
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private:
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typedef void (*NormalEntryFunc)(methodOop method,
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intptr_t base_pc,
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TRAPS);
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typedef void (*OSREntryFunc)(methodOop method,
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address osr_buf,
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intptr_t base_pc,
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TRAPS);
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public:
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void invoke(methodOop method, TRAPS) const {
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((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD);
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}
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void invoke_osr(methodOop method, address osr_buf, TRAPS) const {
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((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD);
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}
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public:
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static ByteSize entry_point_offset() {
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return byte_offset_of(ZeroEntry, _entry_point);
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}
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};
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