Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCJmplInstruction.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
| author | jrose |
|---|---|
| date | Sat, 30 Oct 2010 13:08:23 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 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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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.asm.sparc; | |
| 26 | |
| 27 import sun.jvm.hotspot.asm.*; | |
| 28 | |
| 29 public class SPARCJmplInstruction extends SPARCInstruction | |
| 30 implements BranchInstruction { | |
| 31 final protected SPARCRegisterIndirectAddress addr; | |
| 32 final protected SPARCRegister rd; | |
| 33 | |
| 34 protected SPARCJmplInstruction(String name, SPARCRegisterIndirectAddress addr, SPARCRegister rd) { | |
| 35 super(name); | |
| 36 this.addr = addr; | |
| 37 this.rd = rd; | |
| 38 } | |
| 39 | |
| 40 public SPARCJmplInstruction(SPARCRegisterIndirectAddress addr, SPARCRegister rd) { | |
| 41 this("jmpl", addr, rd); | |
| 42 } | |
| 43 | |
| 44 protected String getDescription() { | |
| 45 StringBuffer buf = new StringBuffer(); | |
| 46 String addrStr = addr.toString(); | |
| 47 // remove '[' & ']' from address | |
| 48 addrStr = addrStr.substring(1, addrStr.length() - 1); | |
| 49 if (rd == SPARCRegisters.G0) { | |
| 50 buf.append("jmp"); | |
| 51 buf.append(spaces); | |
| 52 buf.append(addrStr); | |
| 53 } else { | |
| 54 buf.append(getName()); | |
| 55 buf.append(spaces); | |
| 56 buf.append(addrStr); | |
| 57 buf.append(comma); | |
| 58 buf.append(rd.toString()); | |
| 59 } | |
| 60 | |
| 61 return buf.toString(); | |
| 62 } | |
| 63 | |
| 64 public String asString(long currentPc, SymbolFinder symFinder) { | |
| 65 return getDescription(); | |
| 66 } | |
| 67 | |
| 68 public Address getBranchDestination() { | |
| 69 return addr; | |
| 70 } | |
| 71 | |
| 72 public SPARCRegister getReturnAddressRegister() { | |
| 73 return rd; | |
| 74 } | |
| 75 | |
| 76 public boolean isAnnuledBranch() { | |
| 77 return false; | |
| 78 } | |
| 79 | |
| 80 public boolean isBranch() { | |
| 81 return true; | |
| 82 } | |
| 83 | |
| 84 public boolean isConditional() { | |
| 85 return false; | |
| 86 } | |
| 87 } |