path: root/scripts/jni_desc

# jni_desc -- Descriptor file of JNI probe points for hotspot_jni.stp.in
# Copyright (C) 2009  Red Hat, Inc.
#
# This file is part of IcedTea.
#
# IcedTea is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# IcedTea is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with IcedTea; see the file COPYING.  If not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA.

# JNIProbeName<space>Description
# arg1_name<space><type><space>Description
# arg2_name...
# [ret<space><type><space>Description]
# blank line
#
# Notes:
# JNIProbeName doesn't include __entry or __return.
# ret is the the return argument
# (if there is a __return probe, only FatalError never returns)
# <type>/representation is one of:
# v - void, s - string, x - hex number, d - number
# void is only used for return ret arguments.

AllocObject Allocate object without calling any constructors.
env x JNIEnv pointer.
clazz x jclass pointer.
ret x jobject reference to allocated object or NULL

AttachCurrentThreadAsDaemon Attach the current thread as daemon.
vm x JavaVM pointer.
penv x pointer to JNIEnv pointer.
args x pointer to JavaVMAttachArgs struct.
ret d Zero on success, negative on error.

AttachCurrentThread Attach the current thread.
vm x JavaVM pointer.
penv x pointer to JNIEnv pointer.
args x pointer to JavaVMAttachArgs struct.
ret d Zero on success, negative on error.

CallBooleanMethodA Call virtual method returning a boolean using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallBooleanMethod Call virtual method returning a boolean.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallBooleanMethodV Call virtual method returning a boolean using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallByteMethodA Call virtual method returning a byte using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallByteMethod Call virtual method returning a byte.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallByteMethodV Call virtual method returning a byte using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallCharMethodA Call virtual method returning a char using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallCharMethod Call virtual method returning a char.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallCharMethodV Call virtual method returning a char using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallDoubleMethodA Call virtual method returning a double using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallDoubleMethod Call virtual method returning a double.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallDoubleMethodV Call virtual method returning a double using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallFloatMethodA Call virtual method returning a float using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallFloatMethod Call virtual method returning a float.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallFloatMethodV Call virtual method returning a float using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallIntMethodA Call virtual method returning a int using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallIntMethod Call virtual method returning a int.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallIntMethodV Call virtual method returning a int using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallLongMethodA Call virtual method returning a long using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallLongMethod Call virtual method returning a long.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallLongMethodV Call virtual method returning a long using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallObjectMethodA Call virtual method returning a object using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallObjectMethod Call virtual method returning a object.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallObjectMethodV Call virtual method returning a object using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallShortMethodA Call virtual method returning a short using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallShortMethod Call virtual method returning a short.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallShortMethodV Call virtual method returning a short using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallVoidMethodA Call virtual method returning void using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallVoidMethod Call virtual method returning void.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallVoidMethodV Call virtual method returning void using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualBooleanMethodA Call non-virtual method returning a boolean using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualBooleanMethod Call non-virtual method returning a boolean.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualBooleanMethodV Call non-virtual method returning a boolean using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualByteMethodA Call non-virtual method returning a byte using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualByteMethod Call non-virtual method returning a byte.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualByteMethodV Call non-virtual method returning a byte using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualCharMethodA Call non-virtual method returning a char using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualCharMethod Call non-virtual method returning a char.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualCharMethodV Call non-virtual method returning a char using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualDoubleMethodA Call non-virtual method returning a double using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualDoubleMethod Call non-virtual method returning a double.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualDoubleMethodV Call non-virtual method returning a double using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualFloatMethodA Call non-virtual method returning a float using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualFloatMethod Call non-virtual method returning a float.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualFloatMethodV Call non-virtual method returning a float using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualIntMethodA Call non-virtual method returning a int using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualIntMethod Call non-virtual method returning a int.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualIntMethodV Call non-virtual method returning a int using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualLongMethodA Call non-virtual method returning a long using an array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualLongMethod Call non-virtual method returning a long.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualLongMethodV Call non-virtual method returning a long using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualObjectMethodA Call non-virtual method returning a object using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallNonvirtualObjectMethod Call non-virtual method returning a object.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallNonvirtualObjectMethodV Call non-virtual method returning a object using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallNonvirtualShortMethodA Call non-virtual method returning a short using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualShortMethod Call non-virtual method returning a short.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualShortMethodV Call non-virtual method returning a short using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallNonvirtualVoidMethodA Call non-virtual method returning void using array as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualVoidMethod Call non-virtual method returning void.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallNonvirtualVoidMethodV Call non-virtual method returning void using va_list as arguments.
env x JNIEnv pointer.
obj x jobject reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticBooleanMethodA Call static method returning a boolean using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticBooleanMethod Call static method returning a boolean.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticBooleanMethodV Call static method returning a boolean using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticByteMethodA Call static method returning a byte using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticByteMethod Call static method returning a byte.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticByteMethodV Call static method returning a byte using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticCharMethodA Call static method returning a char using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticCharMethod Call static method returning a char.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticCharMethodV Call static method returning a char using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticDoubleMethodA Call static method returning a double using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticDoubleMethod Call static method returning a double.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticDoubleMethodV Call static method returning a double using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticFloatMethodA Call static method returning a float using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticFloatMethod Call static method returning a float.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticFloatMethodV Call static method returning a float using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticIntMethodA Call static method returning a int using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticIntMethod Call static method returning a int.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticIntMethodV Call static method returning a int using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticLongMethodA Call static method returning a long using an array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticLongMethod Call static method returning a long.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticLongMethodV Call static method returning a long using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticObjectMethodA Call static method returning a object using array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallStaticObjectMethod Call static method returning a object.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallStaticObjectMethodV Call static method returning a object using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret x The result of the method call.

CallStaticShortMethodA Call static method returning a short using array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticShortMethod Call static method returning a short.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticShortMethodV Call static method returning a short using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret d The result of the method call.

CallStaticVoidMethodA Call static method returning void using array as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticVoidMethod Call static method returning void.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CallStaticVoidMethodV Call static method returning void using va_list as arguments.
env x JNIEnv pointer.
clazz x jclass reference.
methodid x ID of the method to call.
ret v The result of the method call.

CreateJavaVM Creates a java virtual machine instance.
vm x pointer to a JavaVM pointer.
penv x pointer to JNIEnv pointer.
args x pointer to JavaVMInitArgs struct.
ret d Zero on success, negative on error.

DefineClass Defines a java.lang.Class instance from byte code array.
env x JNIEnv pointer.
clazz s Name of class.
loader x jobject of ClassLoader.
buf x Pointer to jbyte array.
buflen d Size of jbyte array.
ret x jclass or NULL on error.

DeleteGlobalRef Delete a global jobject reference.
env x JNIEnv pointer.
gref x jobject reference to free.
ret v Nothing returned.

DeleteLocalRef Delete a local jobject reference.
env x JNIEnv pointer.
lref x jobject reference to free.
ret v Nothing returned.

DeleteWeakGlobalRef Delete a weak global jobject reference.
env x JNIEnv pointer.
wref x jobject reference to free.
ret v Nothing returned.

DestroyJavaVM Destroys the given java virtual machine instance.
vm x JavaVM pointer.
ret d Zero on success, negative on failure.

DetachCurrentThread Detaches current thread.
vm x JavaVM pointer.
ret d Zero on success, negative on failure.

EnsureLocalCapacity Make sure capacity local references can be created.
env x JNIEnv pointer.
capacity d Number of desired local references.
ret d Returns zero on success, negative otherwise.

ExceptionCheck Check whether there is a pending exception.
env x JNIEnv pointer.
ret d One if there is a pending exception, zero if not.

ExceptionClear Clear any pending exception.
env x JNIEnv pointer.
ret v Nothing to return.

ExceptionDescribe Print any pending exception plus backtrace, clearing exception.
env x JNIEnv pointer.
ret v Nothing to return.

ExceptionOccurred Returns any pending exception.
env x JNIEnv pointer.
ret x Pending jthrowable or NULL when no exception pending.

FatalError Abort JVM because of fatal error.
env x JNIEnv pointer.
msg s Fatal exception message.
# No ret, because never returns.

FindClass Finds the named class.
env x JNIEnv pointer.
clazz s Class descriptor.
ret x jclass pointer or NULL when class cannot be found.

FromReflectedField Returns a jfieldID from a Field instance.
env x JNIEnv pointer.
field x jobject field.
ret x jfieldID or NULL on error.

FromReflectedMethod Returns a jmethodID from a Method instance.
env x JNIEnv pointer.
method x jobject method.
ret x jmethodID or NULL on error.

GetArrayLength Gets the length of an array.
env x JNIEnv pointer.
array x jarray.
ret d Length of the jarray.

GetBooleanArrayElements Returns jboolean array elements.
env x JNIEnv pointer.
array x jbooleanArray.
iscopy x Pointer to jboolean.
ret x Pointer to jboolean array.

GetBooleanArrayRegion Copies a region out of a jboolean array elements.
env x JNIEnv pointer.
array x jbooleanArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jboolean array pointer to copy into.
ret v Nothing to return.

GetBooleanField Get non-static jboolean field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jboolean value.

GetByteArrayElements Returns jbyte array elements.
env x JNIEnv pointer.
array x jbyteArray.
iscopy x Pointer to jboolean.
ret x Pointer to jbyte array.

GetByteArrayRegion Copies a region out of a jbyte array elements.
env x JNIEnv pointer.
array x jbyteArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jbyte array pointer to copy into.
ret v Nothing to return.

GetByteField Get non-static jbyte field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jbyte value.

GetCharArrayElements Returns jchar array elements.
env x JNIEnv pointer.
array x jcharArray.
iscopy x Pointer to jboolean.
ret x Pointer to jchar array.

GetCharArrayRegion Copies a region out of a jchar array elements.
env x JNIEnv pointer.
array x jcharArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jchar array pointer to copy into.
ret v Nothing to return.

GetCharField Get non-static jchar field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jchar value.

GetCreatedJavaVMs Return all created Java Virtual Machines.
vmbuf x Pointer to JavaVM pointer.
buflen d Max number of vms returned.
nvms d Number of JavaVMs returned.
ret d Zero on success, negative on error.

GetDefaultJavaVMInitArgs Returns default vm configuration.
vm_args x JDK1_1InitArgs pointer
ret d Zero if JDK1_1InitArgs version field supporter, negative otherwise.

GetDirectBufferAddress Returns starting memory address of given Buffer.
env x JNIEnv pointer.
buf x java.nio.Buffer jobject.
ret x Address or NULL on error.

GetDirectBufferCapacity Returns size of memory region of given Buffer.
env x JNIEnv pointer.
buf x java.nio.Buffer jobject.
ret d Capacity of buffer or -1 on error.

GetDoubleArrayElements Returns jdouble array elements.
env x JNIEnv pointer.
array x jdoubleArray.
iscopy x Pointer to jboolean.
ret x Pointer to jdouble array.

GetDoubleArrayRegion Copies a region out of a jdouble array elements.
env x JNIEnv pointer.
array x jdoubleArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jdouble array pointer to copy into.
ret v Nothing to return.

GetDoubleField Get non-static jdouble field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret v Doesn't return jdouble value.

GetEnv Returns JNIEnv for current thread if attached and jni version supported.
vm x JavaVM pointer.
penv x Pointer to JNIEnv pointer.
version x JNI version requested.
ret Zero on success, negative on error.

GetFieldID Get jfieldID of a non-static field of a jclass.
env x JNIEnv pointer.
clazz x jclass object.
field s UTF-8 field name.
sig s UTF-8 signature of the field.
ret x jfieldID or NULL on failure.

GetFloatArrayElements Returns jfloat array elements.
env x JNIEnv pointer.
array x jfloatArray.
iscopy x Pointer to jboolean.
ret x Pointer to jfloat array.

GetFloatArrayRegion Copies a region out of a jfloat array elements.
env x JNIEnv pointer.
array x jfloatArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jfloat array pointer to copy into.
ret v Nothing to return.

GetFloatField Get non-static jfloat field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret v Doesn't return jfloat value.

GetIntArrayElements Returns jint array elements.
env x JNIEnv pointer.
array x jintArray.
iscopy x Pointer to jboolean.
ret x Pointer to jint array.

GetIntArrayRegion Copies a region out of a jint array elements.
env x JNIEnv pointer.
array x jintArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jint array pointer to copy into.
ret v Nothing to return.

GetIntField Get non-static jint field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jint value.

GetJavaVM Get the JavaVM struct associated with the current JNIEnv.
env x JNIEnv pointer.
pvm x Pointer to JavaVM pointer.
ret d Zero on success, negative on failure.

GetLongArrayElements Returns jlong array elements.
env x JNIEnv pointer.
array x jlongArray.
iscopy x Pointer to jboolean.
ret x Pointer to jlong array.

GetLongArrayRegion Copies a region out of a jlong array elements.
env x JNIEnv pointer.
array x jlongArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jlong array pointer to copy into.
ret v Nothing to return.

GetLongField Get non-static jlong field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jlong value.

GetMethodID Returns jmethodID of requested method.
env x JINEnv pointer.
clazz x jclass pointer.
method s Name of the method.
sig s Signature of the method.
ret x jmethodID of the requested method or NULL on failure.

GetObjectArrayElement Get Object element from array.
env x JNIEnv pointer.
array x jobjectArray.
index d Element index.
ret x jobject or NULL on failure.

GetObjectClass Returns the class of a given object.
env x JNIEnv pointer.
obj x jobject pointer.
ret x jclass of the given jobject.

GetObjectField Get non-static jobject field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret x jobject value.

GetObjectRefType Whether a jobject is a local, global or weak reference.
env x JNIEnv pointer.
obj x jobject.
ret d 0 for invalid, 1 for local, 2 for global or 3 for weak references.

GetPrimitiveArrayCritical Get pointer to primitive array elements.
env x JNIEnv pointer.
array x jarray.
iscopy x Pointer to jboolean.
ret x Address of jarray elements or NULL on error.

GetShortArrayElements Returns jshort array elements.
env x JNIEnv pointer.
array x jshortArray.
iscopy x Pointer to jboolean.
ret x Pointer to jshort array.

GetShortArrayRegion Copies a region out of a jshort array elements.
env x JNIEnv pointer.
array x jshortArray to copy from.
start d Starting index.
len d Number of elements to copy.
buf x Native jshort array pointer to copy into.
ret v Nothing to return.

GetShortField Get non-static jshort field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret d jshort value.

GetStaticBooleanField Get static jboolean field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jboolean value.

GetStaticByteField Get static jbyte field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jbyte value.

GetStaticCharField Get static jchar field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jchar value.

GetStaticDoubleField Get static jdouble field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret v Does not return jdouble value.

GetStaticFieldID Get jfieldID of a static field of a jclass.
env x JNIEnv pointer.
clazz x jclass object.
field s UTF-8 field name.
sig s UTF-8 signature of the field.
ret x jfieldID or NULL on failure.

GetStaticFloatField Get static jfloat field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret v Does not return jfloat value.

GetStaticIntField Get static jint field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jint value.

GetStaticLongField Get static jlong field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jlong value.

GetStaticMethodID Returns jmethodID of requested static method.
env x JINEnv pointer.
clazz x jclass pointer.
method s Name of the method.
sig s Signature of the method.
ret x jmethodID of the requested method or NULL on failure.

GetStaticObjectField Get static jobject field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jobject value.

GetStaticShortField Get static jshort field value.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret d jshort value.

GetStringChars Get unicode jchar array of jstring.
env x JNIEnv pointer.
str x jstring.
iscopy x Pointer to jboolean.
ret x Pointer to jchar array.

GetStringCritical Get critical unicode jchar array of jstring.
env x JNIEnv pointer.
str x jstring.
iscopy x Pointer to jboolean.
ret x Pointer to jchar array.

GetStringLength Returns number of unicode jchars in jstring.
env x JNIEnv pointer.
str x jstring.
ret d Length of string.

GetStringRegion Retrieves jchar unicode characters from jstring.
env x JNIEnv pointer.
str x jstring.
start d Starting character to copy.
len d Number of jchars to copy.
buf x Pointer to jchar buffer to copy unicode characters in.
ret v Nothing to return.

GetStringUTFChars Retrieves UTF-8 encoded chars from jstring.
env x JNIEnv pointer.
str x jstring pointer.
iscopy x pointer to a jboolean.
ret s Pointer to a UTF-8 string or NULL when called failed.

GetStringUTFLength Returns length of jstring in UTF-8 encoded chars.
env x JNIEnv pointer.
str x jstring pointer.
ret d Number of UTF-8 chars in jstring.

GetStringUTFRegion 
env x JNIEnv pointer.
str x jstring.
start d jchar offset to start at.
len d Number of jchars to get from jstring.
buf x Native char array to put UTF-8 encoded strings in.
ret v Nothing to return.

GetSuperclass Returns super class of given jclass.
env x JNIEnv pointer.
clazz x jclass.
ret x Super jclass or NULL if the given jclass is Object or an interface.

GetVersion Returns JNI version.
env x JNIEnv pointer.
ret x JNI version.

IsAssignableFrom Whether a given jclass can be cast to another jclass.
env x JNIEnv pointer.
clazz1 x jclass to cast from.
clazz2 x jclass to cast to.
ret d One if clazz1 can be cast to clazz2, zero otherwise.

IsInstanceOf Whether a given jobject is an instance of a jclass.
env x JNIEnv pointer.
obj x jobject.
clazz x jclass.
ret d One if obj can be cast to clazz, zero otherwise.

IsSameObject Whether two jobjects identify the same java object.
env x JNIEnv pointer.
obj1 x jobject.
obj2 x jobject.
ret d One if obj1 and obj2 are references to the same java object.

MonitorEnter Enter monitor for given jobject.
env x JNIEnv pointer.
obj x jobject.
ret d Zero on success, negative on failure.

MonitorExit Exit monitor for given jobject.
env x JNIEnv pointer.
obj x jobject.
ret d Zero on success, negative on failure.

NewBooleanArray Create new boolean array.
env x JNIEnv pointer.
length d size of the array.
ret x jbooleanArray or NULL on failure.

NewByteArray Create new byte array.
env x JNIEnv pointer.
length d size of the array.
ret x jbyteArray or NULL on failure.

NewCharArray Create new char array.
env x JNIEnv pointer.
length d size of the array.
ret x jcharArray or NULL on failure.

NewDirectByteBuffer Create DirectByteBuffer for given address and size.
env x JNIEnv pointer.
addr x Address to start.
size d Capacity of the buffer.
ret x DirectByteBuffer jobject or NULL on failure.

NewDoubleArray Create new double array.
env x JNIEnv pointer.
length d size of the array.
ret x jdoubleArray or NULL on failure.

NewFloatArray Create new floar array.
env x JNIEnv pointer.
length d size of the array.
ret x jfloatArray or NULL on failure.

NewGlobalRef Create a new global reference for a jobject.
env x JNIEnv pointer.
obj x jobject to create a global reference for.
ret x Global jobject reference, or NULL on failure.

NewIntArray Create new int array.
env x JNIEnv pointer.
length d size of the array.
ret x jintArray or NULL on failure.

NewLocalRef Create a new local reference for a jobject.
env x JNIEnv pointer.
obj x jobject to create a local reference for.
ret x Global jobject reference, or NULL on failure.

NewLongArray Create new long array.
env x JNIEnv pointer.
length d size of the array.
ret x jlongArray or NULL on failure.

NewObjectA Create a new object from jclass from arguments in array.
env x JNIEnv pointer.
clazz x jclass.
methodid x jmethodID of constructor to call.
ret x jobject or NULL on failure.

NewObjectArray Create new jobject array of given element type.
env x JNIEnv pointer.
length d size of the array.
element x jclass of the elements in the array.
initial x jobject initial value.
ret x jarray or NULL on failure.

NewObject Create a new object from jclass using the jmethodID constructor.
env x JNIEnv pointer.
clazz x jclass.
methodid x jmethodID of constructor to call.
ret x jobject or NULL on failure.

NewObjectV Create a new object from jclass from va_list arguments.
env x JNIEnv pointer.
clazz x jclass.
methodid x jmethodID of constructor to call.
ret x jobject or NULL on failure.

NewShortArray Create new short array.
env x JNIEnv pointer.
length d size of the array.
ret x jlongArray or NULL on failure.

NewString Create a new string from jchar unicode characters.
env x JNIEnv pointer.
chars x jchar array.
len d Length of jchar array.
ret x jstring or NULL on error.

NewStringUTF Creates a new string from a UTF-8 array.
env x JNIEnv pointer.
bytes s UTF-8 array.
ret x jstring created or NULL on failure.

NewWeakGlobalRef Create a new weak reference for a jobject.
env x JNIEnv pointer.
obj x jobject to create a weak reference for.
ret x jweak reference, or NULL on failure.

PopLocalFrame Pops local reference frame.
env x JNIEnv pointer.
obj x jobject reference in current frame.
ret x jobject reference in previous frame for given obj or NULL when non given.

PushLocalFrame Pushes local reference frame.
env x JNIEnv pointer.
capacity d Minimum number of references needed.
ret d Zero on success, negative on failure.

RegisterNatives Registers native methods for class.
env x JNIEnv pointer.
clazz x jclass to register methods for.
methods x pointer to JNINativeMethods array.
nmethods x number of methods.
ret d Zero on success, negative otherwise.

ReleaseBooleanArrayElements Releases boolean array elements.
env x JNIEnv pointer.
array x jbooleanArray.
elems x jboolean array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseByteArrayElements Releases byte array elements.
env x JNIEnv pointer.
array x jbyteArray.
elems x jbyte array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseCharArrayElements Releases char array elements.
env x JNIEnv pointer.
array x jcharArray.
elems x jchar array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseDoubleArrayElements Releases double array elements.
env x JNIEnv pointer.
array x jdoubleArray.
elems x jdouble array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseFloatArrayElements Releases float array elements.
env x JNIEnv pointer.
array x jfloatArray.
elems x jfloat array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseIntArrayElements Releases int array elements.
env x JNIEnv pointer.
array x jintArray.
elems x jint array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleaseLongArrayElements Releases long array elements.
env x JNIEnv pointer.
array x jlongArray.
elems x jlong array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing returned.

ReleasePrimitiveArrayCritical Releases critical array elements.
env x JNIEnv pointer.
array x jarray.
carray x Native elements pointer.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back).
ret v Nothing to return.

ReleaseShortArrayElements Releases short array elements.
env x JNIEnv pointer.
array x jshortArray.
elems x jshort array.
mode d How array should be released (0 commit back and free, 1 commit back and do not free, 2 free but do not commit back)
ret v Nothing to return.

ReleaseStringChars Releases GetStringChar jchar array.
env x JNIEnv pointer.
str x jstring.
chars x jchar array to release.
ret v Nothing to return.

ReleaseStringCritical Releases GetStringCritical jchar array.
env x JNIEnv pointer.
str x jstring.
chars x jchar array to release.
ret v Nothing to return.

ReleaseStringUTFChars Releases GetStringUTF char array.
env x JNIEnv pointer.
str x jstring pointer.
utf s Pointer to utf-8 chars to release.
ret v Returns nothing

SetBooleanArrayRegion Copies a region into a jboolean array.
env x JNIEnv pointer.
array x jbooleanArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jboolean array pointer to copy from.
ret v Nothing to return.

SetBooleanField Set non-static jboolean field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jboolean value.
ret v Nothing to return.

SetByteArrayRegion Copies a region into a jbyte array.
env x JNIEnv pointer.
array x jbyteArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jbyte array pointer to copy from.
ret v Nothing to return.

SetByteField Set non-static jbyte field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jbyte value.
ret v Nothing to return.

SetCharArrayRegion Copies a region into a jchar array.
env x JNIEnv pointer.
array x jcharArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jchar array pointer to copy from.
ret v Nothing to return.

SetCharField Set non-static jchar field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jchar value.
ret v Nothing to return.

SetDoubleArrayRegion Copies a region into a jdouble array.
env x JNIEnv pointer.
array x jdoubleArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jdouble array pointer to copy from.
ret v Nothing to return.

SetDoubleField Set non-static jdouble field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret v Nothing to return.

SetFloatArrayRegion Copies a region into a jfloat array.
env x JNIEnv pointer.
array x jfloatArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jfloat array pointer to copy from.
ret v Nothing to return.

SetFloatField Set non-static jfloat field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
ret v Nothing to return.

SetIntArrayRegion Copies a region into a jint array.
env x JNIEnv pointer.
array x jintArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jint array pointer to copy from.
ret v Nothing to return.

SetIntField Set non-static jint field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jint value.
ret v Nothing to return.

SetLongArrayRegion Copies a region into a jlong arry.
env x JNIEnv pointer.
array x jlongArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x Native jlong array pointer to copy from.
ret v Nothing to return.

SetLongField Set non-static jlong field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jlong value.
ret v Nothing to return.

SetObjectArrayElement Set jobjectArray element.
env x JNIEnv pointer.
array x jobjectArray.
index d Element index to set.
value x jobject value.
ret v Nothing to return.

SetObjectField Set non-static jobject field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value x jobject value.
ret v Nothing to return.

SetShortArrayRegion Copies a region into a jshort array.
env x JNIEnv pointer.
array x jshortArray to copy into.
start d Starting index.
len d Number of elements to copy.
buf x jshort array pointer to copy from.
ret v Nothing to return.

SetShortField Set non-static jshort field value.
env x JNIEnv pointer.
obj x jobject.
field x jfieldID.
value d jshort value.
ret v Nothing to return.

SetStaticBooleanField Set static jboolean field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jboolean value.
ret v Nothing to return.

SetStaticByteField Set static jbyte field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jbyte value.
ret v Nothing to return.

SetStaticCharField Set static jchar field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jchar value.
ret v Nothing to return.

SetStaticDoubleField Set static jdouble field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
ret v Nothing to return.

SetStaticFloatField Set static jfloat field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
ret v Nothing to return.

SetStaticIntField Set static jint field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jint value.
ret v Nothing to return.

SetStaticLongField Set static jlong field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jlong value.
ret v Nothing to return.

SetStaticObjectField Set static jobject field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value x jobject value.
ret v Nothing to return.

SetStaticShortField Set static jshort field value.
env x JNIEnv pointer.
clazz x jclazz.
field x jfieldID.
value d jshort value.
ret v Nothing to return.

Throw Throws a given jthrowable object.
env x JNIEnv pointer.
obj x jthrowable to throw.
ret d Zero on success, negative on error.

ThrowNew Throws a new instance of the given jclass throwable with message.
env x JNIEnv pointer.
clazz x jclass of the throwable.
msg s Message of the throwable.
ret d Zero on success, negative on error.

ToReflectedField Get Field object from jfieldID.
env x JNIEnv pointer.
clazz x jclass.
field x jfieldID.
ret x jobject to instance of Field or NULL on failure

ToReflectedMethod Get Method object from jmethodID.
env x JNIEnv pointer.
clazz x jclass.
method x jmethodID.
ret x jobject to instance of Method or NULL on failure

UnregisterNatives Unregisters native methods from the given jclass.
env x JNIEnv pointer.
clazz x jclass to unregister native methods from.
ret d Zero on success, negative on error.