final class com.oracle.svm.core.genscavenge.OldGeneration extends com.oracle.svm.core.genscavenge.Generation
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: com.oracle.svm.core.genscavenge.OldGeneration
super_class: com.oracle.svm.core.genscavenge.Generation
{
private final com.oracle.svm.core.genscavenge.Space fromSpace;
descriptor: Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final com.oracle.svm.core.genscavenge.Space toSpace;
descriptor: Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final com.oracle.svm.core.genscavenge.GreyObjectsWalker toGreyObjectsWalker;
descriptor: Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
static final boolean $assertionsDisabled;
descriptor: Z
flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc Lcom/oracle/svm/core/genscavenge/OldGeneration;
invokevirtual java.lang.Class.desiredAssertionStatus:()Z
ifne 1
iconst_1
goto 2
StackMap locals:
StackMap stack:
1: iconst_0
StackMap locals:
StackMap stack: int
2: putstatic com.oracle.svm.core.genscavenge.OldGeneration.$assertionsDisabled:Z
return
LocalVariableTable:
Start End Slot Name Signature
void <init>(java.lang.String);
descriptor: (Ljava/lang/String;)V
flags: (0x0000)
Code:
stack=6, locals=3, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokespecial com.oracle.svm.core.genscavenge.Generation.<init>:(Ljava/lang/String;)V
1: aload 0
new com.oracle.svm.core.genscavenge.GreyObjectsWalker
dup
invokespecial com.oracle.svm.core.genscavenge.GreyObjectsWalker.<init>:()V
putfield com.oracle.svm.core.genscavenge.OldGeneration.toGreyObjectsWalker:Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
2: invokestatic com.oracle.svm.core.genscavenge.HeapPolicy.getMaxSurvivorSpaces:()I
iconst_1
iadd
istore 2
start local 2 3: aload 0
new com.oracle.svm.core.genscavenge.Space
dup
ldc "oldFromSpace"
iconst_1
iload 2
invokespecial com.oracle.svm.core.genscavenge.Space.<init>:(Ljava/lang/String;ZI)V
putfield com.oracle.svm.core.genscavenge.OldGeneration.fromSpace:Lcom/oracle/svm/core/genscavenge/Space;
4: aload 0
new com.oracle.svm.core.genscavenge.Space
dup
ldc "oldToSpace"
iconst_0
iload 2
invokespecial com.oracle.svm.core.genscavenge.Space.<init>:(Ljava/lang/String;ZI)V
putfield com.oracle.svm.core.genscavenge.OldGeneration.toSpace:Lcom/oracle/svm/core/genscavenge/Space;
5: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 6 1 name Ljava/lang/String;
3 6 2 age I
RuntimeVisibleAnnotations:
org.graalvm.nativeimage.Platforms(value = {Lorg/graalvm/nativeimage/Platform$HOSTED_ONLY;})
MethodParameters:
Name Flags
name
void tearDown();
descriptor: ()V
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.fromSpace:Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.tearDown:()V
1: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.toSpace:Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.tearDown:()V
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
public boolean walkObjects(com.oracle.svm.core.heap.ObjectVisitor);
descriptor: (Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
ifeq 1
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
ifeq 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 2 1 visitor Lcom/oracle/svm/core/heap/ObjectVisitor;
MethodParameters:
Name Flags
visitor
public java.lang.Object promoteObject(java.lang.Object, org.graalvm.word.UnsignedWord);
descriptor: (Ljava/lang/Object;Lorg/graalvm/word/UnsignedWord;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 1
aload 2
invokestatic com.oracle.svm.core.genscavenge.ObjectHeaderImpl.isAlignedHeader:(Ljava/lang/Object;Lorg/graalvm/word/UnsignedWord;)Z
ifeq 5
1: aload 1
invokestatic com.oracle.svm.core.genscavenge.AlignedHeapChunk.getEnclosingChunk:(Ljava/lang/Object;)Lcom/oracle/svm/core/genscavenge/AlignedHeapChunk$AlignedHeader;
astore 3
start local 3 2: aload 3
invokestatic com.oracle.svm.core.genscavenge.HeapChunk.getSpace:(Lcom/oracle/svm/core/genscavenge/HeapChunk$Header;)Lcom/oracle/svm/core/genscavenge/Space;
astore 4
start local 4 3: aload 4
invokevirtual com.oracle.svm.core.genscavenge.Space.isFromSpace:()Z
ifeq 10
4: aload 0
aload 1
aload 4
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.promoteAlignedObject:(Ljava/lang/Object;Lcom/oracle/svm/core/genscavenge/Space;)Ljava/lang/Object;
areturn
end local 4 end local 3 5: StackMap locals:
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.OldGeneration.$assertionsDisabled:Z
ifne 6
aload 1
aload 2
invokestatic com.oracle.svm.core.genscavenge.ObjectHeaderImpl.isUnalignedHeader:(Ljava/lang/Object;Lorg/graalvm/word/UnsignedWord;)Z
ifne 6
new java.lang.AssertionError
dup
invokespecial java.lang.AssertionError.<init>:()V
athrow
6: StackMap locals:
StackMap stack:
aload 1
invokestatic com.oracle.svm.core.genscavenge.UnalignedHeapChunk.getEnclosingChunk:(Ljava/lang/Object;)Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;
astore 3
start local 3 7: aload 3
invokestatic com.oracle.svm.core.genscavenge.HeapChunk.getSpace:(Lcom/oracle/svm/core/genscavenge/HeapChunk$Header;)Lcom/oracle/svm/core/genscavenge/Space;
astore 4
start local 4 8: aload 4
invokevirtual com.oracle.svm.core.genscavenge.Space.isFromSpace:()Z
ifeq 10
9: aload 0
aload 3
aload 4
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.promoteUnalignedChunk:(Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
end local 4 end local 3 10: StackMap locals:
StackMap stack:
aload 1
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 11 1 original Ljava/lang/Object;
0 11 2 header Lorg/graalvm/word/UnsignedWord;
2 5 3 chunk Lcom/oracle/svm/core/genscavenge/AlignedHeapChunk$AlignedHeader;
3 5 4 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
7 10 3 chunk Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;
8 10 4 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
original
header
public java.lang.Object promoteAlignedObject(java.lang.Object, com.oracle.svm.core.genscavenge.Space);
descriptor: (Ljava/lang/Object;Lcom/oracle/svm/core/genscavenge/Space;)Ljava/lang/Object;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.promoteAlignedObject:(Ljava/lang/Object;Lcom/oracle/svm/core/genscavenge/Space;)Ljava/lang/Object;
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 1 1 original Ljava/lang/Object;
0 1 2 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
original
originalSpace
public void (com.oracle.svm.core.genscavenge.UnalignedHeapChunk$UnalignedHeader, com.oracle.svm.core.genscavenge.Space);
descriptor: (Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.promoteUnalignedHeapChunk:(Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 2 1 chunk Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;
0 2 2 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
chunk
originalSpace
public void promoteObjectChunk(java.lang.Object);
descriptor: (Ljava/lang/Object;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.promoteObjectChunk:(Ljava/lang/Object;)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 2 1 obj Ljava/lang/Object;
MethodParameters:
Name Flags
obj
void releaseSpaces(com.oracle.svm.core.genscavenge.GCImpl$ChunkReleaser);
descriptor: (Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.releaseChunks:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
1: invokestatic com.oracle.svm.core.genscavenge.HeapImpl.getHeapImpl:()Lcom/oracle/svm/core/genscavenge/HeapImpl;
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getGCImpl:()Lcom/oracle/svm/core/genscavenge/GCImpl;
invokevirtual com.oracle.svm.core.genscavenge.GCImpl.isCompleteCollection:()Z
ifeq 3
2: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.cleanRememberedSet:()V
3: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 4 1 chunkReleaser Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;
MethodParameters:
Name Flags
chunkReleaser
void walkDirtyObjects(com.oracle.svm.core.heap.ObjectVisitor, boolean);
descriptor: (Lcom/oracle/svm/core/heap/ObjectVisitor;Z)V
flags: (0x0000)
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
iload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.walkDirtyObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;Z)Z
pop
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 2 1 visitor Lcom/oracle/svm/core/heap/ObjectVisitor;
0 2 2 clean Z
MethodParameters:
Name Flags
visitor
clean
void prepareForPromotion();
descriptor: ()V
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.toGreyObjectsWalker:Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.setScanStart:(Lcom/oracle/svm/core/genscavenge/Space;)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
boolean scanGreyObjects();
descriptor: ()Z
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.toGreyObjectsWalker:Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.haveGreyObjects:()Z
ifne 2
1: iconst_0
ireturn
2: StackMap locals:
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.toGreyObjectsWalker:Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.walkGreyObjects:()V
3: iconst_1
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
public com.oracle.svm.core.log.Log report(com.oracle.svm.core.log.Log, boolean);
descriptor: (Lcom/oracle/svm/core/log/Log;Z)Lcom/oracle/svm/core/log/Log;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 1
ldc "[Old generation: "
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
iconst_1
invokevirtual com.oracle.svm.core.log.Log.indent:(Z)Lcom/oracle/svm/core/log/Log;
pop
1: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
iload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.report:(Lcom/oracle/svm/core/log/Log;Z)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
2: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
iload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.report:(Lcom/oracle/svm/core/log/Log;Z)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
3: aload 1
iconst_0
invokevirtual com.oracle.svm.core.log.Log.redent:(Z)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
pop
4: aload 1
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 5 1 log Lcom/oracle/svm/core/log/Log;
0 5 2 traceHeapChunks Z
MethodParameters:
Name Flags
log
traceHeapChunks
protected boolean verify(com.oracle.svm.core.genscavenge.HeapVerifier$Occasion);
descriptor: (Lcom/oracle/svm/core/genscavenge/HeapVerifier$Occasion;)Z
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=6, args_size=2
start local 0 start local 1 0: iconst_1
istore 2
start local 2 1: invokestatic com.oracle.svm.core.genscavenge.HeapImpl.getHeapImpl:()Lcom/oracle/svm/core/genscavenge/HeapImpl;
astore 3
start local 3 2: aload 3
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getHeapVerifier:()Lcom/oracle/svm/core/genscavenge/HeapVerifier;
astore 4
start local 4 3: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getSpaceVerifier:()Lcom/oracle/svm/core/genscavenge/SpaceVerifier;
astore 5
start local 5 4: aload 5
aload 3
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getOldGeneration:()Lcom/oracle/svm/core/genscavenge/OldGeneration;
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.initialize:(Lcom/oracle/svm/core/genscavenge/Space;)V
5: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verify:()Z
ifne 8
6: iconst_0
istore 2
7: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[OldGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " old from space fails to verify"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
8: StackMap locals: com.oracle.svm.core.genscavenge.OldGeneration com.oracle.svm.core.genscavenge.HeapVerifier$Occasion int com.oracle.svm.core.genscavenge.HeapImpl com.oracle.svm.core.genscavenge.HeapVerifier com.oracle.svm.core.genscavenge.SpaceVerifier
StackMap stack:
aload 1
getstatic com.oracle.svm.core.genscavenge.HeapVerifier$Occasion.AFTER_COLLECTION:Lcom/oracle/svm/core/genscavenge/HeapVerifier$Occasion;
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier$Occasion.equals:(Ljava/lang/Object;)Z
ifeq 12
9: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verifyOnlyCleanCards:()Z
ifne 12
10: iconst_0
istore 2
11: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[OldGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " old from space contains dirty cards"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
12: StackMap locals:
StackMap stack:
aload 5
aload 3
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getOldGeneration:()Lcom/oracle/svm/core/genscavenge/OldGeneration;
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.initialize:(Lcom/oracle/svm/core/genscavenge/Space;)V
13: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verify:()Z
ifne 16
14: iconst_0
istore 2
15: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[OldGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " old to space fails to verify"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
16: StackMap locals:
StackMap stack:
aload 1
getstatic com.oracle.svm.core.genscavenge.HeapVerifier$Occasion.DURING_COLLECTION:Lcom/oracle/svm/core/genscavenge/HeapVerifier$Occasion;
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier$Occasion.equals:(Ljava/lang/Object;)Z
ifne 20
17: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.containsChunks:()Z
ifeq 20
18: iconst_0
istore 2
19: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[OldGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " old to space contains chunks"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
20: StackMap locals:
StackMap stack:
iload 2
ireturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 21 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 21 1 occasion Lcom/oracle/svm/core/genscavenge/HeapVerifier$Occasion;
1 21 2 result Z
2 21 3 heap Lcom/oracle/svm/core/genscavenge/HeapImpl;
3 21 4 heapVerifier Lcom/oracle/svm/core/genscavenge/HeapVerifier;
4 21 5 spaceVerifier Lcom/oracle/svm/core/genscavenge/SpaceVerifier;
MethodParameters:
Name Flags
occasion
void verifyDirtyCards(boolean);
descriptor: (Z)V
flags: (0x0000)
Code:
stack=1, locals=2, args_size=2
start local 0 start local 1 0: iload 1
ifeq 3
1: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.verifyDirtyCards:()V
2: goto 4
3: StackMap locals:
StackMap stack:
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.verifyDirtyCards:()V
4: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 5 1 inToSpace Z
MethodParameters:
Name Flags
inToSpace
boolean slowlyFindPointer(org.graalvm.word.Pointer);
descriptor: (Lorg/graalvm/word/Pointer;)Z
flags: (0x0000)
Code:
stack=2, locals=5, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.slowlyFindPointerInFromSpace:(Lorg/graalvm/word/Pointer;)Z
ifeq 2
1: iconst_1
ireturn
2: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.slowlyFindPointerInToSpace:(Lorg/graalvm/word/Pointer;)Z
ifeq 17
3: aconst_null
astore 2
aconst_null
astore 3
4: invokestatic com.oracle.svm.core.log.Log.noopLog:()Lcom/oracle/svm/core/log/Log;
astore 4
start local 4 5: aload 4
invokevirtual com.oracle.svm.core.log.Log.isEnabled:()Z
ifeq 10
6: aload 4
ldc "[OldGeneration.slowlyFindPointerInOldGeneration:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
pop
7: aload 4
ldc " p: "
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
aload 1
invokevirtual com.oracle.svm.core.log.Log.hex:(Lorg/graalvm/word/WordBase;)Lcom/oracle/svm/core/log/Log;
pop
8: aload 4
ldc " found in: "
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.getName:()Ljava/lang/String;
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
pop
9: aload 4
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
10: StackMap locals: java.lang.Throwable java.lang.Throwable com.oracle.svm.core.log.Log
StackMap stack:
aload 4
ifnull 16
aload 4
invokevirtual com.oracle.svm.core.log.Log.close:()V
goto 16
StackMap locals:
StackMap stack: java.lang.Throwable
11: astore 2
aload 4
ifnull 12
aload 4
invokevirtual com.oracle.svm.core.log.Log.close:()V
end local 4 StackMap locals:
StackMap stack:
12: aload 2
athrow
StackMap locals:
StackMap stack: java.lang.Throwable
13: astore 3
aload 2
ifnonnull 14
aload 3
astore 2
goto 15
StackMap locals:
StackMap stack:
14: aload 2
aload 3
if_acmpeq 15
aload 2
aload 3
invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
StackMap locals:
StackMap stack:
15: aload 2
athrow
16: StackMap locals:
StackMap stack:
iconst_0
ireturn
17: StackMap locals:
StackMap stack:
iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 18 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 18 1 p Lorg/graalvm/word/Pointer;
5 12 4 paranoia Lcom/oracle/svm/core/log/Log;
Exception table:
from to target type
5 10 11 any
4 13 13 any
MethodParameters:
Name Flags
p
boolean slowlyFindPointerInFromSpace(org.graalvm.word.Pointer);
descriptor: (Lorg/graalvm/word/Pointer;)Z
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokestatic com.oracle.svm.core.genscavenge.HeapVerifier.slowlyFindPointerInSpace:(Lcom/oracle/svm/core/genscavenge/Space;Lorg/graalvm/word/Pointer;)Z
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 1 1 p Lorg/graalvm/word/Pointer;
MethodParameters:
Name Flags
p
boolean slowlyFindPointerInToSpace(org.graalvm.word.Pointer);
descriptor: (Lorg/graalvm/word/Pointer;)Z
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokestatic com.oracle.svm.core.genscavenge.HeapVerifier.slowlyFindPointerInSpace:(Lcom/oracle/svm/core/genscavenge/Space;Lorg/graalvm/word/Pointer;)Z
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 1 1 p Lorg/graalvm/word/Pointer;
MethodParameters:
Name Flags
p
int classifyPointer(org.graalvm.word.Pointer);
descriptor: (Lorg/graalvm/word/Pointer;)I
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 1
invokeinterface org.graalvm.word.Pointer.isNull:()Z
ifeq 2
1: iconst_0
ireturn
2: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.slowlyFindPointerInFromSpace:(Lorg/graalvm/word/Pointer;)Z
ifeq 4
3: iconst_1
ireturn
4: StackMap locals:
StackMap stack:
aload 0
aload 1
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.slowlyFindPointerInToSpace:(Lorg/graalvm/word/Pointer;)Z
ifeq 6
5: iconst_2
ireturn
6: StackMap locals:
StackMap stack:
iconst_m1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 7 1 p Lorg/graalvm/word/Pointer;
MethodParameters:
Name Flags
p
com.oracle.svm.core.genscavenge.Space getFromSpace();
descriptor: ()Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.fromSpace:Lcom/oracle/svm/core/genscavenge/Space;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
com.oracle.svm.core.genscavenge.Space getToSpace();
descriptor: ()Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0000)
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield com.oracle.svm.core.genscavenge.OldGeneration.toSpace:Lcom/oracle/svm/core/genscavenge/Space;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
void swapSpaces();
descriptor: ()V
flags: (0x0000)
Code:
stack=3, locals=1, args_size=1
start local 0 0: getstatic com.oracle.svm.core.genscavenge.OldGeneration.$assertionsDisabled:Z
ifne 1
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.isEmpty:()Z
ifne 1
new java.lang.AssertionError
dup
ldc "fromSpace should be empty."
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
1: StackMap locals:
StackMap stack:
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.absorb:(Lcom/oracle/svm/core/genscavenge/Space;)V
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
void emptyFromSpaceIntoToSpace();
descriptor: ()V
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.absorb:(Lcom/oracle/svm/core/genscavenge/Space;)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
boolean walkHeapChunks(com.oracle.svm.core.MemoryWalker$Visitor);
descriptor: (Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
flags: (0x0000)
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkHeapChunks:(Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
ifeq 1
aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkHeapChunks:(Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
ifeq 1
iconst_1
ireturn
StackMap locals:
StackMap stack:
1: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
0 2 1 visitor Lcom/oracle/svm/core/MemoryWalker$Visitor;
MethodParameters:
Name Flags
visitor
org.graalvm.word.UnsignedWord getChunkBytes();
descriptor: ()Lorg/graalvm/word/UnsignedWord;
flags: (0x0000)
Code:
stack=2, locals=3, args_size=1
start local 0 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getFromSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
astore 1
start local 1 1: aload 0
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.getToSpace:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
astore 2
start local 2 2: aload 1
aload 2
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/oracle/svm/core/genscavenge/OldGeneration;
1 3 1 fromBytes Lorg/graalvm/word/UnsignedWord;
2 3 2 toBytes Lorg/graalvm/word/UnsignedWord;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
}
SourceFile: "OldGeneration.java"
InnerClasses:
public abstract Visitor = com.oracle.svm.core.MemoryWalker$Visitor of com.oracle.svm.core.MemoryWalker
public abstract AlignedHeader = com.oracle.svm.core.genscavenge.AlignedHeapChunk$AlignedHeader of com.oracle.svm.core.genscavenge.AlignedHeapChunk
public ChunkReleaser = com.oracle.svm.core.genscavenge.GCImpl$ChunkReleaser of com.oracle.svm.core.genscavenge.GCImpl
public abstract Header = com.oracle.svm.core.genscavenge.HeapChunk$Header of com.oracle.svm.core.genscavenge.HeapChunk
public final Occasion = com.oracle.svm.core.genscavenge.HeapVerifier$Occasion of com.oracle.svm.core.genscavenge.HeapVerifier
public abstract UnalignedHeader = com.oracle.svm.core.genscavenge.UnalignedHeapChunk$UnalignedHeader of com.oracle.svm.core.genscavenge.UnalignedHeapChunk