Mercurial > hg > truffle
annotate src/cpu/x86/vm/interpreter_x86.hpp @ 7482:989155e2d07a
Merge with hs25-b15.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 16 Jan 2013 01:34:24 +0100 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_INTERPRETER_X86_HPP |
26 #define CPU_X86_VM_INTERPRETER_X86_HPP | |
27 | |
0 | 28 public: |
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29 static Address::ScaleFactor stackElementScale() { |
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30 return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8); |
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31 } |
0 | 32 |
33 // Offset from rsp (which points to the last stack element) | |
1506 | 34 static int expr_offset_in_bytes(int i) { return stackElementSize * i; } |
0 | 35 |
36 // Stack index relative to tos (which points at value) | |
1506 | 37 static int expr_index_at(int i) { return stackElementWords * i; } |
0 | 38 |
39 // Already negated by c++ interpreter | |
1506 | 40 static int local_index_at(int i) { |
41 assert(i <= 0, "local direction already negated"); | |
42 return stackElementWords * i; | |
0 | 43 } |
1972 | 44 |
45 #endif // CPU_X86_VM_INTERPRETER_X86_HPP |