public bool IsInstanceOf(jobject @object, jclass @class)
{
byte result = RawInterface.IsInstanceOf(this, @object, @class);
HandleException();
return(result != 0);
}
public LocalClassReferenceHolder(JniEnvironment nativeEnvironment, jclass reference)
{
Contract.Requires <ArgumentNullException>(nativeEnvironment != null, "nativeEnvironment");
_nativeEnvironment = nativeEnvironment;
_reference = (jclass)_nativeEnvironment.NewLocalReference(reference);
}
public jclass GetObjectClass(jobject @object)
{
jclass result = RawInterface.GetObjectClass(this, @object);
HandleException();
return(result);
}
public jclass GetSuperclass(jclass @class)
{
jclass result = RawInterface.GetSuperclass(this, @class);
HandleException();
return(result);
}
public jvmtiError GetConstantPool(jclass classHandle, out ConstantPoolEntry[] entries)
{
entries = null;
int constantPoolCount;
int constantPoolByteCount;
IntPtr constantPoolBytesPtr;
jvmtiError error = RawInterface.GetConstantPool(this, classHandle, out constantPoolCount, out constantPoolByteCount, out constantPoolBytesPtr);
if (error != jvmtiError.None)
{
return(error);
}
try
{
List <ConstantPoolEntry> entryList = new List <ConstantPoolEntry>();
IntPtr currentPosition = constantPoolBytesPtr;
for (int i = 0; i < constantPoolCount; i++)
{
entryList.Add(ConstantPoolEntry.FromMemory(ref currentPosition));
}
entries = entryList.ToArray();
return(jvmtiError.None);
}
finally
{
Deallocate(constantPoolBytesPtr);
}
}
public jclass FindClass(string name)
{
jclass result = RawInterface.FindClass(this, name);
HandleException();
return(result);
}
internal jobject CallNonvirtualObjectMethodA(jobject instanceHandle, jclass classHandle, jmethodID methodId, params jvalue[] args)
{
var result = RawInterface.CallNonvirtualObjectMethodA(this, instanceHandle, classHandle, methodId, args);
HandleException();
return(result);
}
public jclass DefineClass(string name, jobject loader, byte[] data)
{
jclass result = RawInterface.DefineClass(this, name, loader, data, data.Length);
HandleException();
return(result);
}
internal bool CallStaticBooleanMethodA(jclass classHandle, jmethodID methodId, params jvalue[] args)
{
var result = RawInterface.CallStaticBooleanMethodA(this, classHandle, methodId, args) != 0;
HandleException();
return(result);
}
internal jobject CallStaticObjectMethodA(jclass classHandle, jmethodID methodId, params jvalue[] args)
{
var result = RawInterface.CallStaticObjectMethodA(this, classHandle, methodId, args);
HandleException();
return(result);
}
internal jobject GetStaticObjectField(jclass classHandle, jfieldID fieldId)
{
var result = RawInterface.GetStaticObjectField(this, classHandle, fieldId);
HandleException();
return(result);
}
internal double GetStaticDoubleField(jclass classHandle, jfieldID fieldId)
{
var result = RawInterface.GetStaticDoubleField(this, classHandle, fieldId);
HandleException();
return(result);
}
internal bool GetStaticBooleanField(jclass classHandle, jfieldID fieldId)
{
bool result = RawInterface.GetStaticBooleanField(this, classHandle, fieldId) != 0;
HandleException();
return(result);
}
public jmethodID GetMethodId(jclass @class, string name, string signature)
{
jmethodID result = RawInterface.GetMethodID(this, @class, name, signature);
HandleException();
return(result);
}
internal jobject NewObjectArray(int length, jclass elementType, jobject initialElement)
{
var result = RawInterface.NewObjectArray(this, length, elementType, initialElement);
HandleException();
return(result);
}
public jvmtiError GetClassSignature(jclass classHandle, out string signature, out string genericSignature)
{
signature = null;
genericSignature = null;
IntPtr signaturePtr;
IntPtr genericPtr;
RawInterface.GetClassSignature(this, classHandle, out signaturePtr, out genericPtr);
try
{
unsafe
{
if (signaturePtr != IntPtr.Zero)
{
signature = ModifiedUTF8Encoding.GetString((byte *)signaturePtr);
}
if (genericPtr != IntPtr.Zero)
{
genericSignature = ModifiedUTF8Encoding.GetString((byte *)genericPtr);
}
}
return(jvmtiError.None);
}
finally
{
Deallocate(signaturePtr);
Deallocate(genericPtr);
}
}
public jobject NewObject(jclass @class, jmethodID ctorMethodId, params jvalue[] args)
{
jobject result = RawInterface.NewObjectA(this, @class, ctorMethodId, args);
HandleException();
return(result);
}
public jvmtiError IsArrayClass(jclass classHandle, out bool result)
{
byte arrayClass;
jvmtiError error = RawInterface.IsArrayClass(this, classHandle, out arrayClass);
result = arrayClass != 0;
return(error);
}
public jvmtiError IsInterface(jclass classHandle, out bool result)
{
byte isInterface;
jvmtiError error = RawInterface.IsInterface(this, classHandle, out isInterface);
result = isInterface != 0;
return(error);
}
internal jvmtiError GetClass(ReferenceTypeId classId, out jclass @class)
{
lock (_classes)
{
if (!_classes.TryGetValue(classId, out @class))
{
return(jvmtiError.InvalidClass);
}
return(jvmtiError.None);
}
}
internal TaggedReferenceTypeId TrackLocalClassReference(jclass classHandle, JvmtiEnvironment environment, JniEnvironment nativeEnvironment, bool freeLocalReference)
{
if (classHandle == jclass.Null)
{
return(default(TaggedReferenceTypeId));
}
bool isArrayClass;
JvmtiErrorHandler.ThrowOnFailure(environment.IsArrayClass(classHandle, out isArrayClass));
bool isInterface;
JvmtiErrorHandler.ThrowOnFailure(environment.IsInterface(classHandle, out isInterface));
TypeTag typeTag = isArrayClass ? TypeTag.Array : (isInterface ? TypeTag.Interface : TypeTag.Class);
int hashCode;
JvmtiErrorHandler.ThrowOnFailure(environment.GetObjectHashCode(classHandle, out hashCode));
ReferenceTypeId typeId = new ReferenceTypeId(hashCode);
TaggedReferenceTypeId taggedTypeId = new TaggedReferenceTypeId(typeTag, typeId);
lock (_classes)
{
if (!_classes.ContainsKey(typeId))
{
jweak weak = nativeEnvironment.NewWeakGlobalReference(classHandle);
bool added = false;
if (!_classes.ContainsKey(typeId))
{
_classes.Add(typeId, new jclass(weak.Handle));
added = true;
}
if (!added)
{
nativeEnvironment.DeleteWeakGlobalReference(weak);
}
}
}
if (freeLocalReference)
{
nativeEnvironment.DeleteLocalReference(classHandle);
}
return(taggedTypeId);
}
public jvmtiError GetFieldDeclaringClass(JniEnvironment nativeEnvironment, jclass classHandle, FieldId fieldId, out TaggedReferenceTypeId declaringClass)
{
declaringClass = default(TaggedReferenceTypeId);
jclass declaringClassHandle;
jvmtiError error = RawInterface.GetFieldDeclaringClass(this, classHandle, fieldId, out declaringClassHandle);
if (error != jvmtiError.None)
{
return(error);
}
declaringClass = VirtualMachine.TrackLocalClassReference(declaringClassHandle, this, nativeEnvironment, true);
return(jvmtiError.None);
}
public jvmtiError GetFieldName(jclass classHandle, FieldId fieldId, out string name, out string signature, out string genericSignature)
{
name = null;
signature = null;
genericSignature = null;
IntPtr namePtr;
IntPtr signaturePtr;
IntPtr genericPtr;
jvmtiError error = RawInterface.GetFieldName(this, classHandle, fieldId, out namePtr, out signaturePtr, out genericPtr);
if (error != jvmtiError.None)
{
return(error);
}
try
{
unsafe
{
if (namePtr != IntPtr.Zero)
{
name = ModifiedUTF8Encoding.GetString((byte *)namePtr);
}
if (signaturePtr != IntPtr.Zero)
{
signature = ModifiedUTF8Encoding.GetString((byte *)signaturePtr);
}
if (genericPtr != IntPtr.Zero)
{
genericSignature = ModifiedUTF8Encoding.GetString((byte *)genericPtr);
}
}
}
finally
{
Deallocate(namePtr);
Deallocate(signaturePtr);
Deallocate(genericPtr);
}
return(jvmtiError.None);
}
public jvmtiError GetImplementedInterfaces(JniEnvironment nativeEnvironment, jclass classHandle, out TaggedReferenceTypeId[] interfaces)
{
interfaces = null;
int interfacesCount;
IntPtr interfacesPtr;
jvmtiError error = RawInterface.GetImplementedInterfaces(this, classHandle, out interfacesCount, out interfacesPtr);
if (error != jvmtiError.None)
{
return(error);
}
try
{
List <TaggedReferenceTypeId> interfaceList = new List <TaggedReferenceTypeId>();
unsafe
{
jclass *interfaceHandles = (jclass *)interfacesPtr;
for (int i = 0; i < interfacesCount; i++)
{
if (interfaceHandles[i] == jclass.Null)
{
continue;
}
interfaceList.Add(VirtualMachine.TrackLocalClassReference(interfaceHandles[i], this, nativeEnvironment, true));
}
}
interfaces = interfaceList.ToArray();
return(jvmtiError.None);
}
finally
{
Deallocate(interfacesPtr);
}
}
internal jclass FindBaseClass(JvmtiEnvironment environment, JniEnvironment nativeEnvironment, jclass classHandle, string signature)
{
string currentSignature;
string genericSignature;
JvmtiErrorHandler.ThrowOnFailure(environment.GetClassSignature(classHandle, out currentSignature, out genericSignature));
if (currentSignature == signature)
{
return((jclass)nativeEnvironment.NewGlobalReference(classHandle));
}
jclass superClass = nativeEnvironment.GetSuperclass(classHandle);
if (superClass == jclass.Null)
{
return(jclass.Null);
}
jclass result = FindBaseClass(environment, nativeEnvironment, superClass, signature);
nativeEnvironment.DeleteLocalReference(superClass);
return(result);
}
public jvmtiError GetSourceDebugExtension(jclass classHandle, out string extension)
{
extension = null;
IntPtr sourceDebugExtensionPtr;
jvmtiError error = RawInterface.GetSourceDebugExtension(this, classHandle, out sourceDebugExtensionPtr);
if (error != jvmtiError.None)
{
return(error);
}
if (sourceDebugExtensionPtr != IntPtr.Zero)
{
unsafe
{
extension = ModifiedUTF8Encoding.GetString((byte *)sourceDebugExtensionPtr);
Deallocate(sourceDebugExtensionPtr);
}
}
return(jvmtiError.None);
}
internal void HandleVMInit(JvmtiEnvironment environment, JniEnvironment nativeEnvironment, jthread thread)
{
jclass threadClass = nativeEnvironment.GetObjectClass(thread);
_threadClass = FindBaseClass(environment, nativeEnvironment, threadClass, "Ljava/lang/Thread;");
{
jclass classClass = nativeEnvironment.GetObjectClass(threadClass);
_classClass = FindBaseClass(environment, nativeEnvironment, classClass, "Ljava/lang/Class;");
nativeEnvironment.DeleteLocalReference(classClass);
}
{
jvmtiThreadInfo threadInfo;
JvmtiErrorHandler.ThrowOnFailure(environment.GetThreadInfo(thread, out threadInfo));
jclass threadGroupClass = nativeEnvironment.GetObjectClass(threadInfo._threadGroup);
_threadGroupClass = FindBaseClass(environment, nativeEnvironment, threadGroupClass, "Ljava/lang/ThreadGroup;");
jclass classLoaderClass = nativeEnvironment.GetObjectClass(threadInfo._contextClassLoader);
_classLoaderClass = FindBaseClass(environment, nativeEnvironment, classLoaderClass, "Ljava/lang/ClassLoader;");
nativeEnvironment.DeleteLocalReference(classLoaderClass);
nativeEnvironment.DeleteLocalReference(threadGroupClass);
nativeEnvironment.DeleteLocalReference(threadInfo._contextClassLoader);
nativeEnvironment.DeleteLocalReference(threadInfo._threadGroup);
environment.Deallocate(threadInfo._name);
}
nativeEnvironment.DeleteLocalReference(threadClass);
jobject stringObject = nativeEnvironment.NewString(string.Empty);
jclass stringClass = nativeEnvironment.GetObjectClass(stringObject);
_stringClass = FindBaseClass(environment, nativeEnvironment, stringClass, "Ljava/lang/String;");
nativeEnvironment.DeleteLocalReference(stringObject);
nativeEnvironment.DeleteLocalReference(stringClass);
}
public jvmtiError GetConstantPool(jclass classHandle, out int constantPoolCount, out byte[] data)
{
data = null;
int constantPoolByteCount;
IntPtr constantPoolBytesPtr;
jvmtiError error = RawInterface.GetConstantPool(this, classHandle, out constantPoolCount, out constantPoolByteCount, out constantPoolBytesPtr);
if (error != jvmtiError.None)
{
return(error);
}
try
{
data = new byte[constantPoolByteCount];
Marshal.Copy(constantPoolBytesPtr, data, 0, constantPoolByteCount);
return(jvmtiError.None);
}
finally
{
Deallocate(constantPoolBytesPtr);
}
}
public jvmtiError GetFieldModifiers(jclass classHandle, FieldId fieldId, out JvmAccessModifiers modifiers)
{
return(RawInterface.GetFieldModifiers(this, classHandle, fieldId, out modifiers));
}
public jvmtiError GetClassLoader(jclass @class, out jobject classLoader)
{
return(RawInterface.GetClassLoader(this, @class, out classLoader));
}
