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src/cpu/x86/vm/interpreter_x86.hpp@70aa912cebe5 (annotated)
src/cpu/x86/vm/interpreter_x86.hpp
Wed, 15 Apr 2020 11:49:55 +0800
- author
- aoqi
- date
- Wed, 15 Apr 2020 11:49:55 +0800
- changeset 9852
- 70aa912cebe5
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Merge
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | #ifndef CPU_X86_VM_INTERPRETER_X86_HPP |
| aoqi@0 | 26 | #define CPU_X86_VM_INTERPRETER_X86_HPP |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | public: |
| aoqi@0 | 29 | static Address::ScaleFactor stackElementScale() { |
| aoqi@0 | 30 | return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8); |
| aoqi@0 | 31 | } |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | // Offset from rsp (which points to the last stack element) |
| aoqi@0 | 34 | static int expr_offset_in_bytes(int i) { return stackElementSize * i; } |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | // Stack index relative to tos (which points at value) |
| aoqi@0 | 37 | static int expr_index_at(int i) { return stackElementWords * i; } |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | // Already negated by c++ interpreter |
| aoqi@0 | 40 | static int local_index_at(int i) { |
| aoqi@0 | 41 | assert(i <= 0, "local direction already negated"); |
| aoqi@0 | 42 | return stackElementWords * i; |
| aoqi@0 | 43 | } |
| aoqi@0 | 44 | |
| aoqi@0 | 45 | #endif // CPU_X86_VM_INTERPRETER_X86_HPP |
