Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9MembarInstruction.java @ 2177:3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
author | coleenp |
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date | Thu, 27 Jan 2011 16:11:27 -0800 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, 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 |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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 | |
25 package sun.jvm.hotspot.asm.sparc; | |
26 | |
27 import sun.jvm.hotspot.asm.SymbolFinder; | |
28 import java.util.Vector; | |
29 | |
30 public class SPARCV9MembarInstruction extends SPARCInstruction | |
31 implements SPARCV9Instruction { | |
32 final private int mmask; | |
33 final private int cmask; | |
34 final private String description; | |
35 | |
36 public SPARCV9MembarInstruction(int mmask, int cmask) { | |
37 super("membar"); | |
38 this.mmask = mmask & 0xF; | |
39 this.cmask = cmask & 0x7; | |
40 description = initDescription(); | |
41 } | |
42 | |
43 private String initDescription() { | |
44 StringBuffer buf = new StringBuffer(); | |
45 buf.append(getName()); | |
46 buf.append(spaces); | |
47 | |
48 Vector masks = new Vector(); | |
49 if ((mmask & 0x1) != 0) | |
50 masks.add("#LoadLoad"); | |
51 if ((mmask & 0x2) != 0) | |
52 masks.add("#StoreLoad"); | |
53 if ((mmask & 0x4) != 0) | |
54 masks.add("#LoadStore"); | |
55 if ((mmask & 0x8) != 0) | |
56 masks.add("#StoreStore"); | |
57 | |
58 if ((cmask & 0x1) != 0) | |
59 masks.add("#Lookaside"); | |
60 if ((cmask & 0x2) != 0) | |
61 masks.add("#MemIssue"); | |
62 if ((cmask & 0x4) != 0) | |
63 masks.add("#Sync"); | |
64 | |
65 // add all masks | |
66 Object[] tempMasks = masks.toArray(); | |
67 for (int i=0; i < tempMasks.length - 1; i++) { | |
68 buf.append((String)tempMasks[i]); | |
69 buf.append("| "); | |
70 } | |
71 buf.append((String)tempMasks[tempMasks.length - 1]); | |
72 | |
73 return buf.toString(); | |
74 } | |
75 | |
76 public int getMMask() { | |
77 return mmask; | |
78 } | |
79 | |
80 public int getCMask() { | |
81 return cmask; | |
82 } | |
83 | |
84 public String asString(long currentPc, SymbolFinder symFinder) { | |
85 return description; | |
86 } | |
87 } |