1010N/A/*
1879N/A * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
1434N/A * Copyright 2008, 2009, 2010 Red Hat, Inc.
1010N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1010N/A *
1010N/A * This code is free software; you can redistribute it and/or modify it
1010N/A * under the terms of the GNU General Public License version 2 only, as
1010N/A * published by the Free Software Foundation.
1010N/A *
1010N/A * This code is distributed in the hope that it will be useful, but WITHOUT
1010N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1010N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1010N/A * version 2 for more details (a copy is included in the LICENSE file that
1010N/A * accompanied this code).
1010N/A *
1010N/A * You should have received a copy of the GNU General Public License version
1010N/A * 2 along with this work; if not, write to the Free Software Foundation,
1010N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1010N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
1472N/A * questions.
1010N/A *
1010N/A */
1010N/A
1879N/A#ifndef CPU_ZERO_VM_ENTRY_ZERO_HPP
1879N/A#define CPU_ZERO_VM_ENTRY_ZERO_HPP
1879N/A
1010N/Aclass ZeroEntry {
1010N/A public:
1010N/A ZeroEntry() {
1010N/A ShouldNotCallThis();
1010N/A }
1010N/A
1010N/A private:
1010N/A address _entry_point;
1010N/A
1010N/A public:
1010N/A address entry_point() const {
1010N/A return _entry_point;
1010N/A }
1010N/A void set_entry_point(address entry_point) {
1010N/A _entry_point = entry_point;
1010N/A }
1010N/A
1010N/A private:
1434N/A typedef int (*NormalEntryFunc)(methodOop method,
1434N/A intptr_t base_pc,
1434N/A TRAPS);
1434N/A typedef int (*OSREntryFunc)(methodOop method,
1434N/A address osr_buf,
1434N/A intptr_t base_pc,
1434N/A TRAPS);
1010N/A
1010N/A public:
1010N/A void invoke(methodOop method, TRAPS) const {
1434N/A maybe_deoptimize(
1434N/A ((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD),
1434N/A THREAD);
1010N/A }
1010N/A void invoke_osr(methodOop method, address osr_buf, TRAPS) const {
1434N/A maybe_deoptimize(
1434N/A ((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD),
1434N/A THREAD);
1434N/A }
1434N/A
1434N/A private:
1434N/A static void maybe_deoptimize(int deoptimized_frames, TRAPS) {
1434N/A if (deoptimized_frames)
1434N/A CppInterpreter::main_loop(deoptimized_frames - 1, THREAD);
1010N/A }
1010N/A
1010N/A public:
1010N/A static ByteSize entry_point_offset() {
1010N/A return byte_offset_of(ZeroEntry, _entry_point);
1010N/A }
1010N/A};
1879N/A
1879N/A#endif // CPU_ZERO_VM_ENTRY_ZERO_HPP