| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * 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_X86_VM_INTERPRETER_X86_HPP |
| #define CPU_X86_VM_INTERPRETER_X86_HPP |
| |
| public: |
| static Address::ScaleFactor stackElementScale() { |
| return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8); |
| } |
| |
| // Offset from rsp (which points to the last stack element) |
| static int expr_offset_in_bytes(int i) { return stackElementSize * i; } |
| |
| // Stack index relative to tos (which points at value) |
| static int expr_index_at(int i) { return stackElementWords * i; } |
| |
| // Already negated by c++ interpreter |
| static int local_index_at(int i) { |
| assert(i <= 0, "local direction already negated"); |
| return stackElementWords * i; |
| } |
| |
| #endif // CPU_X86_VM_INTERPRETER_X86_HPP |
