117 lines
4.1 KiB
C
117 lines
4.1 KiB
C
/*
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* Copyright (c) 2019, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "jni.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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JNIEXPORT jbyte JNICALL
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Java_TestNative_getByteRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jbyte *arr = (jbyte*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jbyte JNICALL
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Java_TestNative_getByteBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getByteRaw(env, cls, addr, index);
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}
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JNIEXPORT jchar JNICALL
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Java_TestNative_getCharRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jchar *arr = (jchar*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jchar JNICALL
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Java_TestNative_getCharBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getCharRaw(env, cls, addr, index);
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}
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JNIEXPORT jshort JNICALL
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Java_TestNative_getShortRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jshort *arr = (jshort*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jshort JNICALL
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Java_TestNative_getShortBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getShortRaw(env, cls, addr, index);
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}
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JNIEXPORT jint JNICALL
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Java_TestNative_getIntRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jint *arr = (jint*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jint JNICALL
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Java_TestNative_getIntBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getIntRaw(env, cls, addr, index);
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}
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JNIEXPORT jfloat JNICALL
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Java_TestNative_getFloatRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jfloat *arr = (jfloat*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jfloat JNICALL
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Java_TestNative_getFloatBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getFloatRaw(env, cls, addr, index);
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}
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JNIEXPORT jlong JNICALL
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Java_TestNative_getLongRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jlong *arr = (jlong*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jlong JNICALL
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Java_TestNative_getLongBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getLongRaw(env, cls, addr, index);
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}
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JNIEXPORT jdouble JNICALL
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Java_TestNative_getDoubleRaw(JNIEnv *env, jclass cls, jlong addr, jint index) {
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jdouble *arr = (jdouble*)(uintptr_t)addr;
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return arr[index];
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}
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JNIEXPORT jdouble JNICALL
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Java_TestNative_getDoubleBuffer(JNIEnv *env, jclass cls, jobject buf, jint index) {
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jlong addr = (jlong)(uintptr_t)(*env)->GetDirectBufferAddress(env, buf);
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return Java_TestNative_getDoubleRaw(env, cls, addr, index);
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}
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JNIEXPORT jlong JNICALL
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Java_TestNative_getCapacity(JNIEnv *env, jclass cls, jobject buf) {
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return (*env)->GetDirectBufferCapacity(env, buf);
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}
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