Sat, 07 Nov 2020 10:30:02 +0800
Added tag mips-jdk8u275-b01 for changeset d3b4d62f391f
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() {
30 return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8);
31 }
33 // Offset from rsp (which points to the last stack element)
34 static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
36 // Stack index relative to tos (which points at value)
37 static int expr_index_at(int i) { return stackElementWords * i; }
39 // Already negated by c++ interpreter
40 static int local_index_at(int i) {
41 assert(i <= 0, "local direction already negated");
42 return stackElementWords * i;
43 }
45 #endif // CPU_X86_VM_INTERPRETER_X86_HPP