Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/oops/AccessFlags.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | 71afdabfd05b |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6100
diff
changeset
|
2 * Copyright (c) 2000, 2012, 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.oops; | |
| 26 | |
| 27 import sun.jvm.hotspot.runtime.ClassConstants; | |
| 28 import java.io.*; | |
| 29 | |
| 30 public class AccessFlags implements /* imports */ ClassConstants { | |
| 31 public AccessFlags(long flags) { | |
| 32 this.flags = flags; | |
| 33 } | |
| 34 | |
| 35 private long flags; | |
| 36 | |
| 37 // Java access flags | |
| 38 public boolean isPublic () { return (flags & JVM_ACC_PUBLIC ) != 0; } | |
| 39 public boolean isPrivate () { return (flags & JVM_ACC_PRIVATE ) != 0; } | |
| 40 public boolean isProtected () { return (flags & JVM_ACC_PROTECTED ) != 0; } | |
| 41 public boolean isStatic () { return (flags & JVM_ACC_STATIC ) != 0; } | |
| 42 public boolean isFinal () { return (flags & JVM_ACC_FINAL ) != 0; } | |
| 43 public boolean isSynchronized() { return (flags & JVM_ACC_SYNCHRONIZED) != 0; } | |
| 44 public boolean isSuper () { return (flags & JVM_ACC_SUPER ) != 0; } | |
| 45 public boolean isVolatile () { return (flags & JVM_ACC_VOLATILE ) != 0; } | |
| 46 public boolean isBridge () { return (flags & JVM_ACC_BRIDGE ) != 0; } | |
| 47 public boolean isTransient () { return (flags & JVM_ACC_TRANSIENT ) != 0; } | |
| 48 public boolean isVarArgs () { return (flags & JVM_ACC_VARARGS ) != 0; } | |
| 49 public boolean isNative () { return (flags & JVM_ACC_NATIVE ) != 0; } | |
| 50 public boolean isEnum () { return (flags & JVM_ACC_ENUM ) != 0; } | |
| 51 public boolean isAnnotation () { return (flags & JVM_ACC_ANNOTATION ) != 0; } | |
| 52 public boolean isInterface () { return (flags & JVM_ACC_INTERFACE ) != 0; } | |
| 53 public boolean isAbstract () { return (flags & JVM_ACC_ABSTRACT ) != 0; } | |
| 54 public boolean isStrict () { return (flags & JVM_ACC_STRICT ) != 0; } | |
| 55 public boolean isSynthetic () { return (flags & JVM_ACC_SYNTHETIC ) != 0; } | |
| 56 | |
| 57 public long getValue () { return flags; } | |
| 58 | |
| 59 // Hotspot internal flags | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6100
diff
changeset
|
60 // Method* flags |
| 0 | 61 public boolean isMonitorMatching () { return (flags & JVM_ACC_MONITOR_MATCH ) != 0; } |
| 62 public boolean hasMonitorBytecodes () { return (flags & JVM_ACC_HAS_MONITOR_BYTECODES ) != 0; } | |
| 63 public boolean hasLoops () { return (flags & JVM_ACC_HAS_LOOPS ) != 0; } | |
| 64 public boolean loopsFlagInit () { return (flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; } | |
| 65 public boolean queuedForCompilation() { return (flags & JVM_ACC_QUEUED ) != 0; } | |
| 66 public boolean isNotOsrCompilable () { return (flags & JVM_ACC_NOT_OSR_COMPILABLE ) != 0; } | |
| 67 public boolean hasLineNumberTable () { return (flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; } | |
| 68 public boolean hasCheckedExceptions() { return (flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; } | |
| 69 public boolean hasJsrs () { return (flags & JVM_ACC_HAS_JSRS ) != 0; } | |
| 70 public boolean isObsolete () { return (flags & JVM_ACC_IS_OBSOLETE ) != 0; } | |
| 71 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6100
diff
changeset
|
72 // Klass* flags |
| 0 | 73 public boolean hasMirandaMethods () { return (flags & JVM_ACC_HAS_MIRANDA_METHODS ) != 0; } |
| 74 public boolean hasVanillaConstructor() { return (flags & JVM_ACC_HAS_VANILLA_CONSTRUCTOR) != 0; } | |
| 75 public boolean hasFinalizer () { return (flags & JVM_ACC_HAS_FINALIZER ) != 0; } | |
| 76 public boolean isCloneable () { return (flags & JVM_ACC_IS_CLONEABLE ) != 0; } | |
| 77 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6100
diff
changeset
|
78 // Klass* and Method* flags |
| 0 | 79 public boolean hasLocalVariableTable() { return (flags & JVM_ACC_HAS_LOCAL_VARIABLE_TABLE ) != 0; } |
| 80 | |
| 81 // field flags | |
| 82 public boolean fieldAccessWatched () { return (flags & JVM_ACC_FIELD_ACCESS_WATCHED) != 0; } | |
| 83 public boolean fieldModificationWatched() { return (flags & JVM_ACC_FIELD_MODIFICATION_WATCHED) != 0; } | |
|
6100
71afdabfd05b
7168280: Eliminate the generic signature index slot from field array for field without generic signature.
jiangli
parents:
1552
diff
changeset
|
84 public boolean fieldHasGenericSignature() { return (flags & JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE)!= 0; } |
| 0 | 85 |
| 86 public void printOn(PrintStream tty) { | |
| 87 // prints only .class flags and not the hotspot internal flags | |
| 88 if (isPublic ()) tty.print("public " ); | |
| 89 if (isPrivate ()) tty.print("private " ); | |
| 90 if (isProtected ()) tty.print("protected " ); | |
| 91 if (isStatic ()) tty.print("static " ); | |
| 92 if (isFinal ()) tty.print("final " ); | |
| 93 if (isSynchronized()) tty.print("synchronized "); | |
| 94 if (isVolatile ()) tty.print("volatile " ); | |
| 95 if (isBridge ()) tty.print("bridge " ); | |
| 96 if (isTransient ()) tty.print("transient " ); | |
| 97 if (isVarArgs ()) tty.print("varargs " ); | |
| 98 if (isNative ()) tty.print("native " ); | |
| 99 if (isEnum ()) tty.print("enum " ); | |
| 100 if (isInterface ()) tty.print("interface " ); | |
| 101 if (isAbstract ()) tty.print("abstract " ); | |
| 102 if (isStrict ()) tty.print("strict " ); | |
| 103 if (isSynthetic ()) tty.print("synthetic " ); | |
| 104 } | |
| 105 | |
| 106 // get flags written to .class files | |
| 107 public int getStandardFlags() { | |
| 108 return (int) (flags & JVM_ACC_WRITTEN_FLAGS); | |
| 109 } | |
| 110 } |