final class com.oracle.svm.core.genscavenge.YoungGeneration 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.YoungGeneration
super_class: com.oracle.svm.core.genscavenge.Generation
{
private final com.oracle.svm.core.genscavenge.Space eden;
descriptor: Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final com.oracle.svm.core.genscavenge.Space[] survivorFromSpaces;
descriptor: [Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final com.oracle.svm.core.genscavenge.Space[] survivorToSpaces;
descriptor: [Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final com.oracle.svm.core.genscavenge.GreyObjectsWalker[] survivorGreyObjectsWalkers;
descriptor: [Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final int maxSurvivorSpaces;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
static final boolean $assertionsDisabled;
descriptor: Z
flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc Lcom/oracle/svm/core/genscavenge/YoungGeneration;
invokevirtual java.lang.Class.desiredAssertionStatus:()Z
ifne 1
iconst_1
goto 2
StackMap locals:
StackMap stack:
1: iconst_0
StackMap locals:
StackMap stack: int
2: putstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
return
LocalVariableTable:
Start End Slot Name Signature
void <init>(java.lang.String);
descriptor: (Ljava/lang/String;)V
flags: (0x0000)
Code:
stack=8, 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.Space
dup
ldc "edenSpace"
iconst_1
iconst_0
invokespecial com.oracle.svm.core.genscavenge.Space.<init>:(Ljava/lang/String;ZI)V
putfield com.oracle.svm.core.genscavenge.YoungGeneration.eden:Lcom/oracle/svm/core/genscavenge/Space;
2: aload 0
invokestatic com.oracle.svm.core.genscavenge.HeapPolicy.getMaxSurvivorSpaces:()I
putfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
3: aload 0
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
anewarray com.oracle.svm.core.genscavenge.Space
putfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
4: aload 0
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
anewarray com.oracle.svm.core.genscavenge.Space
putfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
5: aload 0
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
anewarray com.oracle.svm.core.genscavenge.GreyObjectsWalker
putfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorGreyObjectsWalkers:[Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
6: iconst_0
istore 2
start local 2 7: goto 12
8: StackMap locals: com.oracle.svm.core.genscavenge.YoungGeneration java.lang.String int
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
new com.oracle.svm.core.genscavenge.Space
dup
new java.lang.StringBuilder
dup
ldc "Survivor-"
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 2
iconst_1
iadd
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
ldc " From"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
iconst_1
iload 2
iconst_1
iadd
invokespecial com.oracle.svm.core.genscavenge.Space.<init>:(Ljava/lang/String;ZI)V
aastore
9: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
new com.oracle.svm.core.genscavenge.Space
dup
new java.lang.StringBuilder
dup
ldc "Survivor-"
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 2
iconst_1
iadd
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
ldc " To"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
iconst_0
iload 2
iconst_1
iadd
invokespecial com.oracle.svm.core.genscavenge.Space.<init>:(Ljava/lang/String;ZI)V
aastore
10: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorGreyObjectsWalkers:[Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
iload 2
new com.oracle.svm.core.genscavenge.GreyObjectsWalker
dup
invokespecial com.oracle.svm.core.genscavenge.GreyObjectsWalker.<init>:()V
aastore
11: iinc 2 1
StackMap locals:
StackMap stack:
12: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 8
end local 2 13: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 14 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 14 1 name Ljava/lang/String;
7 13 2 i 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=2, locals=2, args_size=1
start local 0 0: invokestatic com.oracle.svm.core.genscavenge.ThreadLocalAllocation.tearDown:()V
1: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.eden:Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.tearDown:()V
2: iconst_0
istore 1
start local 1 3: goto 7
4: StackMap locals: int
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 1
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.tearDown:()V
5: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 1
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.tearDown:()V
6: iinc 1 1
StackMap locals:
StackMap stack:
7: iload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 4
end local 1 8: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
3 8 1 i I
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=3, args_size=2
start local 0 start local 1 0: invokestatic com.oracle.svm.core.genscavenge.ThreadLocalAllocation.disableAndFlushForAllThreads:()V
1: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
ifne 3
2: iconst_0
ireturn
3: StackMap locals:
StackMap stack:
iconst_0
istore 2
start local 2 4: goto 10
5: StackMap locals: int
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
ifne 7
6: iconst_0
ireturn
7: StackMap locals:
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkObjects:(Lcom/oracle/svm/core/heap/ObjectVisitor;)Z
ifne 9
8: iconst_0
ireturn
9: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
10: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 5
end local 2 11: iconst_1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 12 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 12 1 visitor Lcom/oracle/svm/core/heap/ObjectVisitor;
4 11 2 i I
MethodParameters:
Name Flags
visitor
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=4, args_size=3
start local 0 start local 1 start local 2 0: aload 1
ldc "[Young 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 1
ldc "[Eden: "
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
2: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()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;
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;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
4: aload 1
ldc "[Survivors: "
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
5: iconst_0
istore 3
start local 3 6: goto 12
7: StackMap locals: int
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 3
aaload
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
8: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 3
aaload
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;
pop
9: iload 3
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
iconst_1
isub
if_icmpge 11
10: aload 1
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
11: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
12: iload 3
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 7
end local 3 13: 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;
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
14: aload 1
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 15 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 15 1 log Lcom/oracle/svm/core/log/Log;
0 15 2 traceHeapChunks Z
6 13 3 i I
MethodParameters:
Name Flags
log
traceHeapChunks
com.oracle.svm.core.genscavenge.Space getEden();
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.YoungGeneration.eden: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/YoungGeneration;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.Uninterruptible(reason = "Called from uninterruptible code.", mayBeInlined = true)
com.oracle.svm.core.genscavenge.Space getSurvivorToSpaceAt(int);
descriptor: (I)Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0000)
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 2
iload 1
iflt 1
iload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 2
StackMap locals:
StackMap stack:
1: new java.lang.AssertionError
dup
ldc "Survivor index should be between 0 and NumberOfSurvivorSpaces"
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 1
aaload
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 3 1 index I
MethodParameters:
Name Flags
index
com.oracle.svm.core.genscavenge.Space getSurvivorFromSpaceAt(int);
descriptor: (I)Lcom/oracle/svm/core/genscavenge/Space;
flags: (0x0000)
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 2
iload 1
iflt 1
iload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 2
StackMap locals:
StackMap stack:
1: new java.lang.AssertionError
dup
ldc "Survivor index should be between 0 and NumberOfSurvivorSpaces"
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 1
aaload
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 3 1 index I
MethodParameters:
Name Flags
index
private com.oracle.svm.core.genscavenge.GreyObjectsWalker getSurvivorGreyObjectsWalker(int);
descriptor: (I)Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorGreyObjectsWalkers:[Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
iload 1
aaload
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 1 1 index I
MethodParameters:
Name Flags
index
protected java.lang.Object promoteObject(java.lang.Object, org.graalvm.word.UnsignedWord);
descriptor: (Ljava/lang/Object;Lorg/graalvm/word/UnsignedWord;)Ljava/lang/Object;
flags: (0x0004) ACC_PROTECTED
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 1
aload 2
invokestatic com.oracle.svm.core.genscavenge.ObjectHeaderImpl.isAlignedHeader:(Ljava/lang/Object;Lorg/graalvm/word/UnsignedWord;)Z
ifeq 5
1: aload 1
invokestatic com.oracle.svm.core.genscavenge.AlignedHeapChunk.getEnclosingChunk:(Ljava/lang/Object;)Lcom/oracle/svm/core/genscavenge/AlignedHeapChunk$AlignedHeader;
astore 3
start local 3 2: aload 3
invokestatic com.oracle.svm.core.genscavenge.HeapChunk.getSpace:(Lcom/oracle/svm/core/genscavenge/HeapChunk$Header;)Lcom/oracle/svm/core/genscavenge/Space;
astore 4
start local 4 3: aload 4
invokevirtual com.oracle.svm.core.genscavenge.Space.isFromSpace:()Z
ifeq 10
4: aload 0
aload 1
aload 4
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.promoteAlignedObject:(Ljava/lang/Object;Lcom/oracle/svm/core/genscavenge/Space;)Ljava/lang/Object;
areturn
end local 4 end local 3 5: StackMap locals:
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$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.YoungGeneration.promoteUnalignedObject:(Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
end local 4 end local 3 10: StackMap locals:
StackMap stack:
aload 1
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 11 1 original Ljava/lang/Object;
0 11 2 header Lorg/graalvm/word/UnsignedWord;
2 5 3 originalChunk Lcom/oracle/svm/core/genscavenge/AlignedHeapChunk$AlignedHeader;
3 5 4 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
7 10 3 chunk Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;
8 10 4 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
original
header
private void releaseSurvivorSpaces(com.oracle.svm.core.genscavenge.GCImpl$ChunkReleaser, boolean);
descriptor: (Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;Z)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=4, args_size=3
start local 0 start local 1 start local 2 0: iconst_0
istore 3
start local 3 1: goto 7
2: StackMap locals: int
StackMap stack:
iload 2
ifeq 5
3: aload 0
iload 3
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.releaseChunks:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
4: goto 6
5: StackMap locals:
StackMap stack:
aload 0
iload 3
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.releaseChunks:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
6: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
7: iload 3
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 2
end local 3 8: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 9 1 chunkReleaser Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;
0 9 2 isFromSpace Z
1 8 3 i I
MethodParameters:
Name Flags
chunkReleaser
isFromSpace
void releaseSpaces(com.oracle.svm.core.genscavenge.GCImpl$ChunkReleaser);
descriptor: (Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
flags: (0x0000)
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.releaseChunks:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;)V
1: aload 0
aload 1
iconst_1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.releaseSurvivorSpaces:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;Z)V
2: 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 4
3: aload 0
aload 1
iconst_0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.releaseSurvivorSpaces:(Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;Z)V
4: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 5 1 chunkReleaser Lcom/oracle/svm/core/genscavenge/GCImpl$ChunkReleaser;
MethodParameters:
Name Flags
chunkReleaser
void swapSpaces();
descriptor: ()V
flags: (0x0000)
Code:
stack=3, locals=2, args_size=1
start local 0 0: iconst_0
istore 1
start local 1 1: goto 6
2: StackMap locals: int
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 3
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.isEmpty:()Z
ifne 3
new java.lang.AssertionError
dup
ldc "Survivor fromSpace should be empty."
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
3: StackMap locals:
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 4
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
iconst_0
invokeinterface org.graalvm.word.UnsignedWord.equal:(I)Z
ifne 4
new java.lang.AssertionError
dup
ldc "Chunk bytes must be 0"
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
4: StackMap locals:
StackMap stack:
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.absorb:(Lcom/oracle/svm/core/genscavenge/Space;)V
5: iinc 1 1
StackMap locals:
StackMap stack:
6: iload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 2
end local 1 7: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
1 7 1 i I
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=3, locals=7, 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 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.initialize:(Lcom/oracle/svm/core/genscavenge/Space;)V
5: 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$Occasion.equals:(Ljava/lang/Object;)Z
ifeq 10
6: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.containsChunks:()Z
ifeq 13
7: iconst_0
istore 2
8: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " eden space contains chunks after collection"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
9: goto 13
StackMap locals: com.oracle.svm.core.genscavenge.YoungGeneration com.oracle.svm.core.genscavenge.HeapVerifier$Occasion int com.oracle.svm.core.genscavenge.HeapImpl com.oracle.svm.core.genscavenge.HeapVerifier com.oracle.svm.core.genscavenge.SpaceVerifier
StackMap stack:
10: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verify:()Z
ifne 13
11: iconst_0
istore 2
12: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " eden 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
13: StackMap locals:
StackMap stack:
iconst_0
istore 6
start local 6 14: goto 28
15: StackMap locals: int
StackMap stack:
aload 5
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 6
aaload
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.initialize:(Lcom/oracle/svm/core/genscavenge/Space;)V
16: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verify:()Z
ifne 19
17: iconst_0
istore 2
18: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " survivor 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
19: StackMap locals:
StackMap stack:
aload 5
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 6
aaload
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.initialize:(Lcom/oracle/svm/core/genscavenge/Space;)V
20: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.verify:()Z
ifne 23
21: iconst_0
istore 2
22: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " survivor 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
23: 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$Occasion.equals:(Ljava/lang/Object;)Z
ifne 27
24: aload 5
invokevirtual com.oracle.svm.core.genscavenge.SpaceVerifier.containsChunks:()Z
ifeq 27
25: iconst_0
istore 2
26: aload 4
invokevirtual com.oracle.svm.core.genscavenge.HeapVerifier.getWitnessLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.verify:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc " survivor to space contains chunks"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
ldc "]"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
invokevirtual com.oracle.svm.core.log.Log.newline:()Lcom/oracle/svm/core/log/Log;
pop
27: StackMap locals:
StackMap stack:
iinc 6 1
StackMap locals:
StackMap stack:
28: iload 6
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 15
end local 6 29: iload 2
ireturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 30 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 30 1 occasion Lcom/oracle/svm/core/genscavenge/HeapVerifier$Occasion;
1 30 2 result Z
2 30 3 heap Lcom/oracle/svm/core/genscavenge/HeapImpl;
3 30 4 heapVerifier Lcom/oracle/svm/core/genscavenge/HeapVerifier;
4 30 5 spaceVerifier Lcom/oracle/svm/core/genscavenge/SpaceVerifier;
14 29 6 i I
MethodParameters:
Name Flags
occasion
boolean slowlyFindPointer(org.graalvm.word.Pointer);
descriptor: (Lorg/graalvm/word/Pointer;)Z
flags: (0x0000)
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()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
ifeq 2
1: iconst_1
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
istore 2
start local 2 3: goto 9
4: StackMap locals: int
StackMap stack:
aload 0
iload 2
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)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
ifeq 6
5: iconst_1
ireturn
6: StackMap locals:
StackMap stack:
aload 0
iload 2
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)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
ifeq 8
7: iconst_1
ireturn
8: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
9: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 4
end local 2 10: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 11 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 11 1 p Lorg/graalvm/word/Pointer;
3 10 2 i I
MethodParameters:
Name Flags
p
boolean walkHeapChunks(com.oracle.svm.core.MemoryWalker$Visitor);
descriptor: (Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
flags: (0x0000)
Code:
stack=2, locals=3, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkHeapChunks:(Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
ifeq 8
1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: int
StackMap stack:
aload 0
iload 2
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorFromSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkHeapChunks:(Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
ifeq 4
aload 0
iload 2
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
aload 1
invokevirtual com.oracle.svm.core.genscavenge.Space.walkHeapChunks:(Lcom/oracle/svm/core/MemoryWalker$Visitor;)Z
ifne 5
4: StackMap locals:
StackMap stack:
iconst_0
ireturn
5: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 3
end local 2 7: iconst_1
ireturn
8: StackMap locals:
StackMap stack:
iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 9 1 visitor Lcom/oracle/svm/core/MemoryWalker$Visitor;
2 7 2 i I
MethodParameters:
Name Flags
visitor
void prepareForPromotion();
descriptor: ()V
flags: (0x0000)
Code:
stack=3, locals=2, args_size=1
start local 0 0: iconst_0
istore 1
start local 1 1: goto 5
2: StackMap locals: int
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 3
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.isEmpty:()Z
ifne 3
new java.lang.AssertionError
dup
ldc "SurvivorToSpace should be empty."
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
3: StackMap locals:
StackMap stack:
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorGreyObjectsWalker:(I)Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
aload 0
iload 1
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.setScanStart:(Lcom/oracle/svm/core/genscavenge/Space;)V
4: iinc 1 1
StackMap locals:
StackMap stack:
5: iload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 2
end local 1 6: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
1 6 1 i I
boolean scanGreyObjects();
descriptor: ()Z
flags: (0x0000)
Code:
stack=2, locals=4, args_size=1
start local 0 0: invokestatic com.oracle.svm.core.log.Log.noopLog:()Lcom/oracle/svm/core/log/Log;
ldc "[YoungGeneration.scanGreyObjects:"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: iconst_0
istore 3
start local 3 3: goto 8
4: StackMap locals: com.oracle.svm.core.log.Log int int
StackMap stack:
aload 0
iload 3
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorGreyObjectsWalker:(I)Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.haveGreyObjects:()Z
ifeq 7
5: iconst_1
istore 2
6: goto 9
7: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
8: iload 3
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 4
end local 3 9: StackMap locals:
StackMap stack:
iload 2
ifne 11
10: iconst_0
ireturn
11: StackMap locals:
StackMap stack:
iconst_0
istore 3
start local 3 12: goto 16
13: StackMap locals: int
StackMap stack:
aload 1
ldc "[Scanning survivor-"
invokevirtual com.oracle.svm.core.log.Log.string:(Ljava/lang/String;)Lcom/oracle/svm/core/log/Log;
iload 3
invokevirtual com.oracle.svm.core.log.Log.signed:(I)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
14: aload 0
iload 3
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorGreyObjectsWalker:(I)Lcom/oracle/svm/core/genscavenge/GreyObjectsWalker;
invokevirtual com.oracle.svm.core.genscavenge.GreyObjectsWalker.walkGreyObjects:()V
15: iinc 3 1
StackMap locals:
StackMap stack:
16: iload 3
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 13
end local 3 17: aload 1
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
18: iconst_1
ireturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 19 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
1 19 1 trace Lcom/oracle/svm/core/log/Log;
2 19 2 needScan Z
3 9 3 i I
12 17 3 i I
org.graalvm.word.UnsignedWord getChunkBytes();
descriptor: ()Lorg/graalvm/word/UnsignedWord;
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorChunkBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
private org.graalvm.word.UnsignedWord getSurvivorChunkBytes();
descriptor: ()Lorg/graalvm/word/UnsignedWord;
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=3, args_size=1
start local 0 0: invokestatic org.graalvm.word.WordFactory.zero:()Lorg/graalvm/word/WordBase;
checkcast org.graalvm.word.UnsignedWord
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: org.graalvm.word.UnsignedWord int
StackMap stack:
aload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
astore 1
4: aload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.getChunkBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
astore 1
5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 3
end local 2 7: aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
1 8 1 chunkBytes Lorg/graalvm/word/UnsignedWord;
2 7 2 i I
org.graalvm.word.UnsignedWord computeObjectBytes();
descriptor: ()Lorg/graalvm/word/UnsignedWord;
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getEden:()Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.computeObjectBytes:()Lorg/graalvm/word/UnsignedWord;
aload 0
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.computeSurvivorObjectBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
private org.graalvm.word.UnsignedWord computeSurvivorObjectBytes();
descriptor: ()Lorg/graalvm/word/UnsignedWord;
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=3, args_size=1
start local 0 0: invokestatic org.graalvm.word.WordFactory.zero:()Lorg/graalvm/word/WordBase;
checkcast org.graalvm.word.UnsignedWord
astore 1
start local 1 1: iconst_0
istore 2
start local 2 2: goto 6
3: StackMap locals: org.graalvm.word.UnsignedWord int
StackMap stack:
aload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorFromSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.computeObjectBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
astore 1
4: aload 1
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.survivorToSpaces:[Lcom/oracle/svm/core/genscavenge/Space;
iload 2
aaload
invokevirtual com.oracle.svm.core.genscavenge.Space.computeObjectBytes:()Lorg/graalvm/word/UnsignedWord;
invokeinterface org.graalvm.word.UnsignedWord.add:(Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/UnsignedWord;
astore 1
5: iinc 2 1
StackMap locals:
StackMap stack:
6: iload 2
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmplt 3
end local 2 7: aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
1 8 1 usedObjectBytes Lorg/graalvm/word/UnsignedWord;
2 7 2 i I
boolean contains(java.lang.Object);
descriptor: (Ljava/lang/Object;)Z
flags: (0x0000)
Code:
stack=1, locals=2, args_size=2
start local 0 start local 1 0: aload 1
invokestatic com.oracle.svm.core.genscavenge.HeapChunk.getEnclosingHeapChunk:(Ljava/lang/Object;)Lcom/oracle/svm/core/genscavenge/HeapChunk$Header;
invokestatic com.oracle.svm.core.genscavenge.HeapChunk.getSpace:(Lcom/oracle/svm/core/genscavenge/HeapChunk$Header;)Lcom/oracle/svm/core/genscavenge/Space;
invokevirtual com.oracle.svm.core.genscavenge.Space.isYoungSpace:()Z
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 1 1 object Ljava/lang/Object;
MethodParameters:
Name Flags
object
private java.lang.Object promoteAlignedObject(java.lang.Object, com.oracle.svm.core.genscavenge.Space);
descriptor: (Ljava/lang/Object;Lcom/oracle/svm/core/genscavenge/Space;)Ljava/lang/Object;
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 1
aload 1
invokestatic com.oracle.svm.core.genscavenge.ObjectHeaderImpl.isAlignedObject:(Ljava/lang/Object;)Z
ifne 1
new java.lang.AssertionError
dup
invokespecial java.lang.AssertionError.<init>:()V
athrow
1: StackMap locals:
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 2
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.isEdenSpace:()Z
ifne 2
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.isSurvivorSpace:()Z
ifne 2
new java.lang.AssertionError
dup
ldc "Should be Eden or survivor."
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
2: StackMap locals:
StackMap stack:
getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 3
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.isFromSpace:()Z
ifne 3
new java.lang.AssertionError
dup
ldc "must not be called for other objects"
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
3: StackMap locals:
StackMap stack:
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.getAge:()I
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmpge 7
4: aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.getNextAgeForPromotion:()I
istore 3
start local 3 5: aload 0
iload 3
iconst_1
isub
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
astore 4
start local 4 6: aload 4
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 4 end local 3 7: StackMap locals:
StackMap stack:
invokestatic com.oracle.svm.core.genscavenge.HeapImpl.getHeapImpl:()Lcom/oracle/svm/core/genscavenge/HeapImpl;
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getOldGeneration:()Lcom/oracle/svm/core/genscavenge/OldGeneration;
aload 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.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 8 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 8 1 original Ljava/lang/Object;
0 8 2 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
5 7 3 age I
6 7 4 toSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
original
originalSpace
private 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: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: getstatic com.oracle.svm.core.genscavenge.YoungGeneration.$assertionsDisabled:Z
ifne 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.isFromSpace:()Z
ifne 1
new java.lang.AssertionError
dup
ldc "must not be called for other objects"
invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
athrow
1: StackMap locals:
StackMap stack:
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.getAge:()I
aload 0
getfield com.oracle.svm.core.genscavenge.YoungGeneration.maxSurvivorSpaces:I
if_icmpge 6
2: aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.getNextAgeForPromotion:()I
istore 3
start local 3 3: aload 0
iload 3
iconst_1
isub
invokevirtual com.oracle.svm.core.genscavenge.YoungGeneration.getSurvivorToSpaceAt:(I)Lcom/oracle/svm/core/genscavenge/Space;
astore 4
start local 4 4: aload 4
aload 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.Space.promoteUnalignedHeapChunk:(Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
end local 4 end local 3 5: goto 7
6: StackMap locals:
StackMap stack:
invokestatic com.oracle.svm.core.genscavenge.HeapImpl.getHeapImpl:()Lcom/oracle/svm/core/genscavenge/HeapImpl;
invokevirtual com.oracle.svm.core.genscavenge.HeapImpl.getOldGeneration:()Lcom/oracle/svm/core/genscavenge/OldGeneration;
aload 1
aload 2
invokevirtual com.oracle.svm.core.genscavenge.OldGeneration.promoteUnalignedChunk:(Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;Lcom/oracle/svm/core/genscavenge/Space;)V
7: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lcom/oracle/svm/core/genscavenge/YoungGeneration;
0 8 1 originalChunk Lcom/oracle/svm/core/genscavenge/UnalignedHeapChunk$UnalignedHeader;
0 8 2 originalSpace Lcom/oracle/svm/core/genscavenge/Space;
3 5 3 age I
4 5 4 toSpace Lcom/oracle/svm/core/genscavenge/Space;
RuntimeVisibleAnnotations:
com.oracle.svm.core.annotate.AlwaysInline(value = "GC performance")
MethodParameters:
Name Flags
originalChunk
originalSpace
}
SourceFile: "YoungGeneration.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