--- /dev/null 2015-06-23 14:29:28.000000000 +0200 +++ new/src/java.base/share/native/libjava/Image.c 2015-06-23 14:29:27.000000000 +0200 @@ -0,0 +1,177 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include + +#include "jni.h" +#include "jvm.h" +#include "jdk_internal_jimage_ImageNativeSubstrate.h" + +JNIEXPORT jlong JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_openImage(JNIEnv *env, + jclass cls, jstring path, jboolean big_endian) { + const char *nativePath; + jlong ret; + + nativePath = (*env)->GetStringUTFChars(env, path, NULL); + ret = JVM_ImageOpen(env, nativePath, big_endian); + (*env)->ReleaseStringUTFChars(env, path, nativePath); + return ret; +} + +JNIEXPORT void JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_closeImage(JNIEnv *env, + jclass cls, jlong id) { + JVM_ImageClose(env, id); +} + +JNIEXPORT jlong JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_getIndexAddress(JNIEnv *env, + jclass cls, jlong id) { + return JVM_ImageGetIndexAddress(env, id); +} + +JNIEXPORT jlong JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_getDataAddress(JNIEnv *env, + jclass cls, jlong id) { + return JVM_ImageGetDataAddress(env, id); +} + +JNIEXPORT jboolean JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_read(JNIEnv *env, + jclass cls, jlong id, jlong offset, + jobject uncompressedBuffer, jlong uncompressed_size) { + unsigned char* uncompressedAddress; + + uncompressedAddress = (unsigned char*) (*env)->GetDirectBufferAddress(env, uncompressedBuffer); + if (uncompressedBuffer == NULL) { + return JNI_FALSE; + } + return JVM_ImageRead(env, id, offset, uncompressedAddress, uncompressed_size); +} + +JNIEXPORT jboolean JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_readCompressed(JNIEnv *env, + jclass cls, jlong id, jlong offset, + jobject compressedBuffer, jlong compressed_size, + jobject uncompressedBuffer, jlong uncompressed_size) { + // Get address of read direct buffer. + unsigned char* compressedAddress; + unsigned char* uncompressedAddress; + + compressedAddress = (unsigned char*) (*env)->GetDirectBufferAddress(env, compressedBuffer); + // Get address of decompression direct buffer. + uncompressedAddress = (unsigned char*) (*env)->GetDirectBufferAddress(env, uncompressedBuffer); + if (uncompressedBuffer == NULL || compressedBuffer == NULL) { + return JNI_FALSE; + } + return JVM_ImageReadCompressed(env, id, offset, compressedAddress, compressed_size, + uncompressedAddress, uncompressed_size); +} + +JNIEXPORT jbyteArray JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_getStringBytes(JNIEnv *env, + jclass cls, jlong id, jint offset) { + const char* data; + size_t size; + jbyteArray byteArray; + jbyte* rawBytes; + + data = JVM_ImageGetStringBytes(env, id, offset); + // Determine String length. + size = strlen(data); + // Allocate byte array. + byteArray = (*env)->NewByteArray(env, (jsize) size); + // Get array base address. + rawBytes = (*env)->GetByteArrayElements(env, byteArray, NULL); + // Copy bytes from image string table. + memcpy(rawBytes, data, size); + // Release byte array base address. + (*env)->ReleaseByteArrayElements(env, byteArray, rawBytes, 0); + return byteArray; +} + +JNIEXPORT jlongArray JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_getAttributes(JNIEnv *env, + jclass cls, jlong id, jint offset) { + // Allocate a jlong large enough for all location attributes. + jlongArray attributes; + jlong* rawAttributes; + jlong* ret; + + attributes = (*env)->NewLongArray(env, JVM_ImageGetAttributesCount(env)); + // Get base address for jlong array. + rawAttributes = (*env)->GetLongArrayElements(env, attributes, NULL); + ret = JVM_ImageGetAttributes(env, rawAttributes, id, offset); + // Release jlong array base address. + (*env)->ReleaseLongArrayElements(env, attributes, rawAttributes, 0); + return ret == NULL ? NULL : attributes; +} + +JNIEXPORT jlongArray JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_findAttributes(JNIEnv *env, + jclass cls, jlong id, jbyteArray utf8) { + // Allocate a jlong large enough for all location attributes. + jsize count; + jlongArray attributes; + jlong* rawAttributes; + jsize size; + jbyte* rawBytes; + jlong* ret; + + count = JVM_ImageGetAttributesCount(env); + attributes = (*env)->NewLongArray(env, JVM_ImageGetAttributesCount(env)); + // Get base address for jlong array. + rawAttributes = (*env)->GetLongArrayElements(env, attributes, NULL); + size = (*env)->GetArrayLength(env, utf8); + rawBytes = (*env)->GetByteArrayElements(env, utf8, NULL); + ret = JVM_ImageFindAttributes(env, rawAttributes, rawBytes, size, id); + (*env)->ReleaseByteArrayElements(env, utf8, rawBytes, 0); + // Release jlong array base address. + (*env)->ReleaseLongArrayElements(env, attributes, rawAttributes, 0); + return ret == NULL ? NULL : attributes; + +} + +JNIEXPORT jintArray JNICALL +Java_jdk_internal_jimage_ImageNativeSubstrate_attributeOffsets(JNIEnv *env, + jclass cls, jlong id) { + unsigned int length; + jintArray offsets; + jint* rawOffsets; + jint* ret; + + length = JVM_ImageAttributeOffsetsLength(env, id); + offsets = (*env)->NewIntArray(env, length); + // Get base address of result. + rawOffsets = (*env)->GetIntArrayElements(env, offsets, NULL); + ret = JVM_ImageAttributeOffsets(env, rawOffsets, length, id); + if (length == 0) { + return NULL; + } + // Release result base address. + (*env)->ReleaseIntArrayElements(env, offsets, rawOffsets, 0); + return ret == NULL ? NULL : offsets; +}