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src/cpu/zero/vm/sharkFrame_zero.hpp@710a3c8b516e (annotated)
src/cpu/zero/vm/sharkFrame_zero.hpp
Tue, 08 Aug 2017 15:57:29 +0800
- author
- aoqi
- date
- Tue, 08 Aug 2017 15:57:29 +0800
- changeset 6876
- 710a3c8b516e
- parent 6198
- 55fb97c4c58d
- parent 0
- f90c822e73f8
- permissions
- -rw-r--r--
merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * Copyright 2008, 2009 Red Hat, Inc. |
| aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 5 | * |
| aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 8 | * published by the Free Software Foundation. |
| aoqi@0 | 9 | * |
| aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 14 | * accompanied this code). |
| aoqi@0 | 15 | * |
| aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 19 | * |
| aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 22 | * questions. |
| aoqi@0 | 23 | * |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | #ifndef CPU_ZERO_VM_SHARKFRAME_ZERO_HPP |
| aoqi@0 | 27 | #define CPU_ZERO_VM_SHARKFRAME_ZERO_HPP |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | #include "oops/method.hpp" |
| aoqi@0 | 30 | #include "stack_zero.hpp" |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | // | ... | |
| aoqi@0 | 33 | // +--------------------+ ------------------ |
| aoqi@0 | 34 | // | stack slot n-1 | low addresses |
| aoqi@0 | 35 | // | ... | |
| aoqi@0 | 36 | // | stack slot 0 | |
| aoqi@0 | 37 | // | monitor m-1 | |
| aoqi@0 | 38 | // | ... | |
| aoqi@0 | 39 | // | monitor 0 | |
| aoqi@0 | 40 | // | oop_tmp | |
| aoqi@0 | 41 | // | method | |
| aoqi@0 | 42 | // | unextended_sp | |
| aoqi@0 | 43 | // | pc | |
| aoqi@0 | 44 | // | frame_type | |
| aoqi@0 | 45 | // | next_frame | high addresses |
| aoqi@0 | 46 | // +--------------------+ ------------------ |
| aoqi@0 | 47 | // | ... | |
| aoqi@0 | 48 | |
| aoqi@0 | 49 | class SharkFrame : public ZeroFrame { |
| aoqi@0 | 50 | friend class SharkStack; |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | private: |
| aoqi@0 | 53 | SharkFrame() : ZeroFrame() { |
| aoqi@0 | 54 | ShouldNotCallThis(); |
| aoqi@0 | 55 | } |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | protected: |
| aoqi@0 | 58 | enum Layout { |
| aoqi@0 | 59 | pc_off = jf_header_words, |
| aoqi@0 | 60 | unextended_sp_off, |
| aoqi@0 | 61 | method_off, |
| aoqi@0 | 62 | oop_tmp_off, |
| aoqi@0 | 63 | header_words |
| aoqi@0 | 64 | }; |
| aoqi@0 | 65 | |
| aoqi@0 | 66 | public: |
| aoqi@0 | 67 | address pc() const { |
| aoqi@0 | 68 | return (address) value_of_word(pc_off); |
| aoqi@0 | 69 | } |
| aoqi@0 | 70 | |
| aoqi@0 | 71 | void set_pc(address pc) const { |
| aoqi@0 | 72 | *((address*) addr_of_word(pc_off)) = pc; |
| aoqi@0 | 73 | } |
| aoqi@0 | 74 | |
| aoqi@0 | 75 | intptr_t* unextended_sp() const { |
| aoqi@0 | 76 | return (intptr_t *) value_of_word(unextended_sp_off); |
| aoqi@0 | 77 | } |
| aoqi@0 | 78 | |
| aoqi@0 | 79 | Method* method() const { |
| aoqi@0 | 80 | return (Method*) value_of_word(method_off); |
| aoqi@0 | 81 | } |
| aoqi@0 | 82 | |
| aoqi@0 | 83 | public: |
| aoqi@0 | 84 | void identify_word(int frame_index, |
| aoqi@0 | 85 | int offset, |
| aoqi@0 | 86 | char* fieldbuf, |
| aoqi@0 | 87 | char* valuebuf, |
| aoqi@0 | 88 | int buflen) const; |
| aoqi@0 | 89 | }; |
| aoqi@0 | 90 | |
| aoqi@0 | 91 | #endif // CPU_ZERO_VM_SHARKFRAME_ZERO_HPP |
