| /* |
| * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. |
| * Copyright 2008, 2009, 2010 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. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_ZERO_VM_ENTRY_ZERO_HPP |
| #define CPU_ZERO_VM_ENTRY_ZERO_HPP |
| |
| class ZeroEntry { |
| public: |
| ZeroEntry() { |
| ShouldNotCallThis(); |
| } |
| |
| private: |
| address _entry_point; |
| |
| public: |
| address entry_point() const { |
| return _entry_point; |
| } |
| void set_entry_point(address entry_point) { |
| _entry_point = entry_point; |
| } |
| |
| private: |
| typedef int (*NormalEntryFunc)(Method* method, |
| intptr_t base_pc, |
| TRAPS); |
| typedef int (*OSREntryFunc)(Method* method, |
| address osr_buf, |
| intptr_t base_pc, |
| TRAPS); |
| |
| public: |
| void invoke(Method* method, TRAPS) const { |
| maybe_deoptimize( |
| ((NormalEntryFunc) entry_point())(method, (intptr_t) this, THREAD), |
| THREAD); |
| } |
| void invoke_osr(Method* method, address osr_buf, TRAPS) const { |
| maybe_deoptimize( |
| ((OSREntryFunc) entry_point())(method, osr_buf, (intptr_t) this, THREAD), |
| THREAD); |
| } |
| |
| private: |
| static void maybe_deoptimize(int deoptimized_frames, TRAPS) { |
| if (deoptimized_frames) |
| CppInterpreter::main_loop(deoptimized_frames - 1, THREAD); |
| } |
| |
| public: |
| static ByteSize entry_point_offset() { |
| return byte_offset_of(ZeroEntry, _entry_point); |
| } |
| }; |
| |
| #endif // CPU_ZERO_VM_ENTRY_ZERO_HPP |