Mercurial > hg > truffle
comparison src/share/tools/whitebox/sun/hotspot/WhiteBox.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 |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | 51612f0c0a79 |
children | 4102b59539ce |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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61 | 61 |
62 // Memory | 62 // Memory |
63 public native long getObjectAddress(Object o); | 63 public native long getObjectAddress(Object o); |
64 public native int getHeapOopSize(); | 64 public native int getHeapOopSize(); |
65 | 65 |
66 // Runtime | |
67 // Make sure class name is in the correct format | |
68 public boolean isClassAlive(String name) { | |
69 return isClassAlive0(name.replace('.', '/')); | |
70 } | |
71 private native boolean isClassAlive0(String name); | |
72 | |
66 // G1 | 73 // G1 |
67 public native boolean g1InConcurrentMark(); | 74 public native boolean g1InConcurrentMark(); |
68 public native boolean g1IsHumongous(Object o); | 75 public native boolean g1IsHumongous(Object o); |
69 public native long g1NumFreeRegions(); | 76 public native long g1NumFreeRegions(); |
70 public native int g1RegionSize(); | 77 public native int g1RegionSize(); |