Thu, 14 Apr 2011 13:45:41 -0700
Merge
1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef CPU_X86_VM_INTERPRETER_X86_HPP
26 #define CPU_X86_VM_INTERPRETER_X86_HPP
28 public:
29 static Address::ScaleFactor stackElementScale() { return Address::times_4; }
31 // Offset from rsp (which points to the last stack element)
32 static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
34 // Stack index relative to tos (which points at value)
35 static int expr_index_at(int i) { return stackElementWords * i; }
37 // Already negated by c++ interpreter
38 static int local_index_at(int i) {
39 assert(i <= 0, "local direction already negated");
40 return stackElementWords * i;
41 }
43 #endif // CPU_X86_VM_INTERPRETER_X86_HPP