final class jdk.jfr.internal.instrument.JIClassInstrumentation
minor version: 0
major version: 59
flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
this_class: jdk.jfr.internal.instrument.JIClassInstrumentation
super_class: java.lang.Object
{
private final java.lang.Class<?> instrumentor;
descriptor: Ljava/lang/Class;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Ljava/lang/Class<*>;
private final java.lang.String targetName;
descriptor: Ljava/lang/String;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.lang.String instrumentorName;
descriptor: Ljava/lang/String;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final byte[] newBytes;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final jdk.internal.org.objectweb.asm.ClassReader targetClassReader;
descriptor: Ljdk/internal/org/objectweb/asm/ClassReader;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final jdk.internal.org.objectweb.asm.ClassReader instrClassReader;
descriptor: Ljdk/internal/org/objectweb/asm/ClassReader;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
void <init>(java.lang.Class<?>, java.lang.Class<?>, );
descriptor: (Ljava/lang/Class;Ljava/lang/Class;[B)V
flags: (0x0000)
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aload 1
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrumentorName:Ljava/lang/String;
2: aload 0
aload 2
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.targetName:Ljava/lang/String;
3: aload 0
aload 1
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrumentor:Ljava/lang/Class;
4: aload 0
new jdk.internal.org.objectweb.asm.ClassReader
dup
aload 3
invokespecial jdk.internal.org.objectweb.asm.ClassReader.<init>:([B)V
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.targetClassReader:Ljdk/internal/org/objectweb/asm/ClassReader;
5: aload 0
new jdk.internal.org.objectweb.asm.ClassReader
dup
aload 1
invokestatic jdk.jfr.internal.instrument.JIClassInstrumentation.getOriginalClassBytes:(Ljava/lang/Class;)[B
invokespecial jdk.internal.org.objectweb.asm.ClassReader.<init>:([B)V
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrClassReader:Ljdk/internal/org/objectweb/asm/ClassReader;
6: aload 0
aload 0
invokevirtual jdk.jfr.internal.instrument.JIClassInstrumentation.makeBytecode:()[B
putfield jdk.jfr.internal.instrument.JIClassInstrumentation.newBytes:[B
7: aload 2
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.newBytes:[B
invokestatic jdk.jfr.internal.Utils.writeGeneratedASM:(Ljava/lang/String;[B)V
8: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljdk/jfr/internal/instrument/JIClassInstrumentation;
0 9 1 instrumentor Ljava/lang/Class<*>;
0 9 2 target Ljava/lang/Class<*>;
0 9 3 old_target_bytes [B
Exceptions:
throws java.lang.ClassNotFoundException, java.io.IOException
Signature: (Ljava/lang/Class<*>;Ljava/lang/Class<*>;[B)V
MethodParameters:
Name Flags
instrumentor
target
old_target_bytes
private static byte[] getOriginalClassBytes(java.lang.Class<?>);
descriptor: (Ljava/lang/Class;)[B
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=6, args_size=1
start local 0 0: new java.io.ByteArrayOutputStream
dup
invokespecial java.io.ByteArrayOutputStream.<init>:()V
astore 1
start local 1 1: new java.lang.StringBuilder
dup
ldc "/"
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.Class.getName:()Ljava/lang/String;
ldc "."
ldc "/"
invokevirtual java.lang.String.replace:(Ljava/lang/CharSequence;Ljava/lang/CharSequence;)Ljava/lang/String;
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
ldc ".class"
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
astore 2
start local 2 2: aload 2
invokestatic jdk.jfr.internal.SecuritySupport.getResourceAsStream:(Ljava/lang/String;)Ljava/io/InputStream;
astore 3
start local 3 3: sipush 16384
newarray 8
astore 5
start local 5 4: goto 6
start local 4 5: StackMap locals: java.lang.Class java.io.ByteArrayOutputStream java.lang.String java.io.InputStream int byte[]
StackMap stack:
aload 1
aload 5
iconst_0
iload 4
invokevirtual java.io.ByteArrayOutputStream.write:([BII)V
end local 4 6: StackMap locals: java.lang.Class java.io.ByteArrayOutputStream java.lang.String java.io.InputStream top byte[]
StackMap stack:
aload 3
aload 5
iconst_0
aload 5
arraylength
invokevirtual java.io.InputStream.read:([BII)I
dup
istore 4
start local 4 7: iconst_m1
if_icmpne 5
8: aload 1
invokevirtual java.io.ByteArrayOutputStream.flush:()V
9: aload 3
invokevirtual java.io.InputStream.close:()V
10: aload 1
invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
areturn
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 11 0 clazz Ljava/lang/Class<*>;
1 11 1 baos Ljava/io/ByteArrayOutputStream;
2 11 2 name Ljava/lang/String;
3 11 3 is Ljava/io/InputStream;
5 6 4 bytesRead I
7 11 4 bytesRead I
4 11 5 buffer [B
Exceptions:
throws java.io.IOException
Signature: (Ljava/lang/Class<*>;)[B
MethodParameters:
Name Flags
clazz
private byte[] makeBytecode();
descriptor: ()[B
flags: (0x0002) ACC_PRIVATE
Code:
stack=8, locals=7, args_size=1
start local 0 0: new java.util.ArrayList
dup
invokespecial java.util.ArrayList.<init>:()V
astore 1
start local 1 1: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrumentor:Ljava/lang/Class;
invokevirtual java.lang.Class.getDeclaredMethods:()[Ljava/lang/reflect/Method;
dup
astore 5
arraylength
istore 4
iconst_0
istore 3
goto 7
StackMap locals: jdk.jfr.internal.instrument.JIClassInstrumentation java.util.List top int int java.lang.reflect.Method[]
StackMap stack:
2: aload 5
iload 3
aaload
astore 2
start local 2 3: aload 2
ldc Ljdk/jfr/internal/instrument/JIInstrumentationMethod;
invokevirtual java.lang.reflect.Method.getAnnotation:(Ljava/lang/Class;)Ljava/lang/annotation/Annotation;
checkcast jdk.jfr.internal.instrument.JIInstrumentationMethod
astore 6
start local 6 4: aload 6
ifnull 6
5: aload 1
aload 2
invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
pop
end local 6 end local 2 6: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
7: iload 3
iload 4
if_icmplt 2
8: new jdk.internal.org.objectweb.asm.tree.ClassNode
dup
invokespecial jdk.internal.org.objectweb.asm.tree.ClassNode.<init>:()V
astore 2
start local 2 9: new jdk.jfr.internal.instrument.JIInliner
dup
10: ldc 327680
11: aload 2
12: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.targetName:Ljava/lang/String;
13: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrumentorName:Ljava/lang/String;
14: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.targetClassReader:Ljdk/internal/org/objectweb/asm/ClassReader;
15: aload 1
16: invokespecial jdk.jfr.internal.instrument.JIInliner.<init>:(ILjdk/internal/org/objectweb/asm/ClassVisitor;Ljava/lang/String;Ljava/lang/String;Ljdk/internal/org/objectweb/asm/ClassReader;Ljava/util/List;)V
astore 3
start local 3 17: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrClassReader:Ljdk/internal/org/objectweb/asm/ClassReader;
aload 3
bipush 8
invokevirtual jdk.internal.org.objectweb.asm.ClassReader.accept:(Ljdk/internal/org/objectweb/asm/ClassVisitor;I)V
18: new jdk.internal.org.objectweb.asm.ClassWriter
dup
iconst_2
invokespecial jdk.internal.org.objectweb.asm.ClassWriter.<init>:(I)V
astore 4
start local 4 19: new jdk.jfr.internal.instrument.JIMethodMergeAdapter
dup
20: aload 4
21: aload 2
22: aload 1
23: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.instrumentor:Ljava/lang/Class;
ldc Ljdk/jfr/internal/instrument/JITypeMapping;
invokevirtual java.lang.Class.getAnnotationsByType:(Ljava/lang/Class;)[Ljava/lang/annotation/Annotation;
checkcast jdk.jfr.internal.instrument.JITypeMapping[]
24: invokespecial jdk.jfr.internal.instrument.JIMethodMergeAdapter.<init>:(Ljdk/internal/org/objectweb/asm/ClassVisitor;Ljdk/internal/org/objectweb/asm/tree/ClassNode;Ljava/util/List;[Ljdk/jfr/internal/instrument/JITypeMapping;)V
astore 5
start local 5 25: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.targetClassReader:Ljdk/internal/org/objectweb/asm/ClassReader;
aload 5
bipush 8
invokevirtual jdk.internal.org.objectweb.asm.ClassReader.accept:(Ljdk/internal/org/objectweb/asm/ClassVisitor;I)V
26: aload 4
invokevirtual jdk.internal.org.objectweb.asm.ClassWriter.toByteArray:()[B
areturn
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 27 0 this Ljdk/jfr/internal/instrument/JIClassInstrumentation;
1 27 1 instrumentationMethods Ljava/util/List<Ljava/lang/reflect/Method;>;
3 6 2 m Ljava/lang/reflect/Method;
4 6 6 im Ljdk/jfr/internal/instrument/JIInstrumentationMethod;
9 27 2 temporary Ljdk/internal/org/objectweb/asm/tree/ClassNode;
17 27 3 inliner Ljdk/internal/org/objectweb/asm/ClassVisitor;
19 27 4 cw Ljdk/internal/org/objectweb/asm/ClassWriter;
25 27 5 ma Ljdk/jfr/internal/instrument/JIMethodMergeAdapter;
Exceptions:
throws java.io.IOException, java.lang.ClassNotFoundException
public byte[] getNewBytes();
descriptor: ()[B
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield jdk.jfr.internal.instrument.JIClassInstrumentation.newBytes:[B
invokevirtual byte[].clone:()Ljava/lang/Object;
checkcast byte[]
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljdk/jfr/internal/instrument/JIClassInstrumentation;
}
SourceFile: "JIClassInstrumentation.java"
RuntimeVisibleAnnotations:
java.lang.Deprecated()