public final class jdk.jfr.internal.JVMSupport
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: jdk.jfr.internal.JVMSupport
  super_class: java.lang.Object
{
  private static final java.lang.String UNSUPPORTED_VM_MESSAGE;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "Flight Recorder is not supported on this VM"

  private static final boolean notAvailable;
    descriptor: Z
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 41
            invokestatic jdk.jfr.internal.JVMSupport.checkAvailability:()Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: putstatic jdk.jfr.internal.JVMSupport.notAvailable:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.jfr.internal.JVMSupport this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // jdk.jfr.internal.JVMSupport this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/jfr/internal/JVMSupport;

  private static boolean checkAvailability();
    descriptor: ()Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 46
            ldc "jfr.unsupported.vm"
            invokestatic jdk.jfr.internal.SecuritySupport.getBooleanProperty:(Ljava/lang/String;)Z
            ifeq 4
         1: .line 47
            iconst_0
            ireturn
         2: .line 49
      StackMap locals:
      StackMap stack: java.lang.NoClassDefFoundError
            pop
         3: .line 51
            iconst_0
            ireturn
         4: .line 56
      StackMap locals:
      StackMap stack:
            invokestatic jdk.jfr.internal.JVM.getJVM:()Ljdk/jfr/internal/JVM;
            invokevirtual jdk.jfr.internal.JVM.isAvailable:()Z
            pop
         5: .line 57
            iconst_1
            ireturn
         6: .line 58
      StackMap locals:
      StackMap stack: java.lang.Throwable
            pop
         7: .line 59
            iconst_0
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.NoClassDefFoundError
           4     5       6  Class java.lang.Throwable

  public static void ensureWithInternalError();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 64
            getstatic jdk.jfr.internal.JVMSupport.notAvailable:Z
            ifeq 2
         1: .line 65
            new java.lang.InternalError
            dup
            ldc "Flight Recorder is not supported on this VM"
            invokespecial java.lang.InternalError.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 67
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void ensureWithIOException();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 70
            getstatic jdk.jfr.internal.JVMSupport.notAvailable:Z
            ifeq 2
         1: .line 71
            new java.io.IOException
            dup
            ldc "Flight Recorder is not supported on this VM"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 73
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    Exceptions:
      throws java.io.IOException

  public static void ensureWithIllegalStateException();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 76
            getstatic jdk.jfr.internal.JVMSupport.notAvailable:Z
            ifeq 2
         1: .line 77
            new java.lang.IllegalStateException
            dup
            ldc "Flight Recorder is not supported on this VM"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 79
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static boolean isNotAvailable();
    descriptor: ()Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 82
            getstatic jdk.jfr.internal.JVMSupport.notAvailable:Z
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static void tryToInitializeJVM();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=0, locals=0, args_size=0
         0: .line 86
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "JVMSupport.java"