0N/A/*
2117N/A * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1472N/A * or visit www.oracle.com if you need additional information or have any
1472N/A * questions.
0N/A *
0N/A */
0N/A
1879N/A#ifndef CPU_X86_VM_INTERPRETER_X86_HPP
1879N/A#define CPU_X86_VM_INTERPRETER_X86_HPP
1879N/A
0N/A public:
2460N/A static Address::ScaleFactor stackElementScale() {
2460N/A return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8);
2460N/A }
0N/A
0N/A // Offset from rsp (which points to the last stack element)
1426N/A static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
0N/A
0N/A // Stack index relative to tos (which points at value)
1426N/A static int expr_index_at(int i) { return stackElementWords * i; }
0N/A
0N/A // Already negated by c++ interpreter
1426N/A static int local_index_at(int i) {
1426N/A assert(i <= 0, "local direction already negated");
1426N/A return stackElementWords * i;
0N/A }
1879N/A
1879N/A#endif // CPU_X86_VM_INTERPRETER_X86_HPP