| /* |
| * Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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. |
| * |
| * 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_SHARKFRAME_ZERO_HPP |
| #define CPU_ZERO_VM_SHARKFRAME_ZERO_HPP |
| |
| #include "oops/method.hpp" |
| #include "stack_zero.hpp" |
| |
| // | ... | |
| // +--------------------+ ------------------ |
| // | stack slot n-1 | low addresses |
| // | ... | |
| // | stack slot 0 | |
| // | monitor m-1 | |
| // | ... | |
| // | monitor 0 | |
| // | oop_tmp | |
| // | method | |
| // | unextended_sp | |
| // | pc | |
| // | frame_type | |
| // | next_frame | high addresses |
| // +--------------------+ ------------------ |
| // | ... | |
| |
| class SharkFrame : public ZeroFrame { |
| friend class SharkStack; |
| |
| private: |
| SharkFrame() : ZeroFrame() { |
| ShouldNotCallThis(); |
| } |
| |
| protected: |
| enum Layout { |
| pc_off = jf_header_words, |
| unextended_sp_off, |
| method_off, |
| oop_tmp_off, |
| header_words |
| }; |
| |
| public: |
| address pc() const { |
| return (address) value_of_word(pc_off); |
| } |
| |
| void set_pc(address pc) const { |
| *((address*) addr_of_word(pc_off)) = pc; |
| } |
| |
| intptr_t* unextended_sp() const { |
| return (intptr_t *) value_of_word(unextended_sp_off); |
| } |
| |
| Method* method() const { |
| return (Method*) value_of_word(method_off); |
| } |
| |
| public: |
| void identify_word(int frame_index, |
| int offset, |
| char* fieldbuf, |
| char* valuebuf, |
| int buflen) const; |
| }; |
| |
| #endif // CPU_ZERO_VM_SHARKFRAME_ZERO_HPP |