|  | /* | 
|  | * Copyright (c) 1998, 2005, 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 "util.h" | 
|  | #include "ArrayReferenceImpl.h" | 
|  | #include "inStream.h" | 
|  | #include "outStream.h" | 
|  |  | 
|  | static jboolean | 
|  | length(PacketInputStream *in, PacketOutputStream *out) | 
|  | { | 
|  | JNIEnv *env = getEnv(); | 
|  | jsize arrayLength; | 
|  |  | 
|  | jarray  array = inStream_readArrayRef(env, in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); | 
|  | (void)outStream_writeInt(out, arrayLength); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | static void * | 
|  | newComponents(PacketOutputStream *out, jint length, size_t nbytes) | 
|  | { | 
|  | void *ptr = NULL; | 
|  |  | 
|  | if ( length > 0 ) { | 
|  | ptr = jvmtiAllocate(length*((jint)nbytes)); | 
|  | if ( ptr == NULL ) { | 
|  | outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY)); | 
|  | } else { | 
|  | (void)memset(ptr, 0, length*nbytes); | 
|  | } | 
|  | } | 
|  | return ptr; | 
|  | } | 
|  |  | 
|  | static void | 
|  | deleteComponents(void *ptr) | 
|  | { | 
|  | jvmtiDeallocate(ptr); | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeBooleanComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jboolean *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jboolean)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetBooleanArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeBoolean(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeByteComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jbyte *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jbyte)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetByteArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeByte(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeCharComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jchar *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jchar)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetCharArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeChar(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeShortComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jshort *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jshort)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetShortArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeShort(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeIntComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jint *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jint)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetIntArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeInt(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeLongComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jlong *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jlong)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetLongArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeLong(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeFloatComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jfloat *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jfloat)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetFloatArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeFloat(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeDoubleComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  | jdouble *components; | 
|  |  | 
|  | components = newComponents(out, length, sizeof(jdouble)); | 
|  | if (components != NULL) { | 
|  | jint i; | 
|  | JNI_FUNC_PTR(env,GetDoubleArrayRegion)(env, array, index, length, components); | 
|  | for (i = 0; i < length; i++) { | 
|  | (void)outStream_writeDouble(out, components[i]); | 
|  | } | 
|  | deleteComponents(components); | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | writeObjectComponents(JNIEnv *env, PacketOutputStream *out, | 
|  | jarray array, jint index, jint length) | 
|  | { | 
|  |  | 
|  | WITH_LOCAL_REFS(env, length) { | 
|  |  | 
|  | int i; | 
|  | jobject component; | 
|  |  | 
|  | for (i = 0; i < length; i++) { | 
|  | component = JNI_FUNC_PTR(env,GetObjectArrayElement)(env, array, index + i); | 
|  | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { | 
|  | /* cleared by caller */ | 
|  | break; | 
|  | } | 
|  | (void)outStream_writeByte(out, specificTypeKey(env, component)); | 
|  | (void)outStream_writeObjectRef(env, out, component); | 
|  | } | 
|  |  | 
|  | } END_WITH_LOCAL_REFS(env); | 
|  | } | 
|  |  | 
|  | static jboolean | 
|  | getValues(PacketInputStream *in, PacketOutputStream *out) | 
|  | { | 
|  | JNIEnv *env = getEnv(); | 
|  | jint arrayLength; | 
|  | jarray array; | 
|  | jint index; | 
|  | jint length; | 
|  |  | 
|  | array = inStream_readArrayRef(env, in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  | index = inStream_readInt(in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  | length = inStream_readInt(in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); | 
|  |  | 
|  | if (length == -1) { | 
|  | length = arrayLength - index; | 
|  | } | 
|  |  | 
|  | if ((index < 0) || (index > arrayLength - 1)) { | 
|  | outStream_setError(out, JDWP_ERROR(INVALID_INDEX)); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | if ((length < 0) || (length + index > arrayLength)) { | 
|  | outStream_setError(out, JDWP_ERROR(INVALID_LENGTH)); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | WITH_LOCAL_REFS(env, 1) { | 
|  |  | 
|  | jclass arrayClass; | 
|  | char *signature = NULL; | 
|  | char *componentSignature; | 
|  | jbyte typeKey; | 
|  | jvmtiError error; | 
|  |  | 
|  | arrayClass = JNI_FUNC_PTR(env,GetObjectClass)(env, array); | 
|  | error = classSignature(arrayClass, &signature, NULL); | 
|  | if (error != JVMTI_ERROR_NONE) { | 
|  | goto err; | 
|  | } | 
|  | componentSignature = &signature[1]; | 
|  | typeKey = componentSignature[0]; | 
|  |  | 
|  | (void)outStream_writeByte(out, typeKey); | 
|  | (void)outStream_writeInt(out, length); | 
|  |  | 
|  | if (isObjectTag(typeKey)) { | 
|  | writeObjectComponents(env, out, array, index, length); | 
|  | } else { | 
|  | switch (typeKey) { | 
|  | case JDWP_TAG(BYTE): | 
|  | writeByteComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(CHAR): | 
|  | writeCharComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(FLOAT): | 
|  | writeFloatComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(DOUBLE): | 
|  | writeDoubleComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(INT): | 
|  | writeIntComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(LONG): | 
|  | writeLongComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(SHORT): | 
|  | writeShortComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(BOOLEAN): | 
|  | writeBooleanComponents(env, out, array, index, length); | 
|  | break; | 
|  |  | 
|  | default: | 
|  | outStream_setError(out, JDWP_ERROR(INVALID_TAG)); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | jvmtiDeallocate(signature); | 
|  |  | 
|  | err:; | 
|  |  | 
|  | } END_WITH_LOCAL_REFS(env); | 
|  |  | 
|  | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { | 
|  | outStream_setError(out, JDWP_ERROR(INTERNAL)); | 
|  | JNI_FUNC_PTR(env,ExceptionClear)(env); | 
|  | } | 
|  |  | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readBooleanComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jboolean component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readBoolean(in); | 
|  | JNI_FUNC_PTR(env,SetBooleanArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readByteComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jbyte component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readByte(in); | 
|  | JNI_FUNC_PTR(env,SetByteArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readCharComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jchar component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readChar(in); | 
|  | JNI_FUNC_PTR(env,SetCharArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readShortComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jshort component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readShort(in); | 
|  | JNI_FUNC_PTR(env,SetShortArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readIntComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jint component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readInt(in); | 
|  | JNI_FUNC_PTR(env,SetIntArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readLongComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jlong component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readLong(in); | 
|  | JNI_FUNC_PTR(env,SetLongArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readFloatComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jfloat component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readFloat(in); | 
|  | JNI_FUNC_PTR(env,SetFloatArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  | static jdwpError | 
|  | readDoubleComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | { | 
|  | int i; | 
|  | jdouble component; | 
|  |  | 
|  | for (i = 0; (i < length) && !inStream_error(in); i++) { | 
|  | component = inStream_readDouble(in); | 
|  | JNI_FUNC_PTR(env,SetDoubleArrayRegion)(env, array, index + i, 1, &component); | 
|  | } | 
|  | return inStream_error(in); | 
|  | } | 
|  |  | 
|  |  | 
|  | static jdwpError | 
|  | readObjectComponents(JNIEnv *env, PacketInputStream *in, | 
|  | jarray array, int index, int length) | 
|  | /* char *componentSignature) */ | 
|  | { | 
|  | int i; | 
|  |  | 
|  | for (i = 0; i < length; i++) { | 
|  | jobject object = inStream_readObjectRef(env, in); | 
|  |  | 
|  | JNI_FUNC_PTR(env,SetObjectArrayElement)(env, array, index + i, object); | 
|  | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { | 
|  | /* caller will clear */ | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | return JDWP_ERROR(NONE); | 
|  | } | 
|  |  | 
|  |  | 
|  | static jboolean | 
|  | setValues(PacketInputStream *in, PacketOutputStream *out) | 
|  | { | 
|  | JNIEnv *env = getEnv(); | 
|  | jdwpError serror = JDWP_ERROR(NONE); | 
|  | int arrayLength; | 
|  | jarray array; | 
|  | jint index; | 
|  | jint length; | 
|  |  | 
|  | array = inStream_readArrayRef(env, in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  | index = inStream_readInt(in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  | length = inStream_readInt(in); | 
|  | if (inStream_error(in)) { | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | arrayLength = JNI_FUNC_PTR(env,GetArrayLength)(env, array); | 
|  |  | 
|  | if ((index < 0) || (index > arrayLength - 1)) { | 
|  | outStream_setError(out, JDWP_ERROR(INVALID_INDEX)); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | if ((length < 0) || (length + index > arrayLength)) { | 
|  | outStream_setError(out, JDWP_ERROR(INVALID_LENGTH)); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  | WITH_LOCAL_REFS(env, 1)  { | 
|  |  | 
|  | jclass arrayClass; | 
|  | char *signature = NULL; | 
|  | char *componentSignature; | 
|  | jvmtiError error; | 
|  |  | 
|  | arrayClass = JNI_FUNC_PTR(env,GetObjectClass)(env, array); | 
|  | error = classSignature(arrayClass, &signature, NULL); | 
|  | if (error != JVMTI_ERROR_NONE) { | 
|  | goto err; | 
|  | } | 
|  | componentSignature = &signature[1]; | 
|  |  | 
|  | switch (componentSignature[0]) { | 
|  | case JDWP_TAG(OBJECT): | 
|  | case JDWP_TAG(ARRAY): | 
|  | serror = readObjectComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(BYTE): | 
|  | serror = readByteComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(CHAR): | 
|  | serror = readCharComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(FLOAT): | 
|  | serror = readFloatComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(DOUBLE): | 
|  | serror = readDoubleComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(INT): | 
|  | serror = readIntComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(LONG): | 
|  | serror = readLongComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(SHORT): | 
|  | serror = readShortComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | case JDWP_TAG(BOOLEAN): | 
|  | serror = readBooleanComponents(env, in, array, index, length); | 
|  | break; | 
|  |  | 
|  | default: | 
|  | { | 
|  | ERROR_MESSAGE(("Invalid array component signature: %s", | 
|  | componentSignature)); | 
|  | EXIT_ERROR(AGENT_ERROR_INVALID_OBJECT,NULL); | 
|  | } | 
|  | break; | 
|  | } | 
|  |  | 
|  | jvmtiDeallocate(signature); | 
|  |  | 
|  | err:; | 
|  |  | 
|  | } END_WITH_LOCAL_REFS(env); | 
|  |  | 
|  | if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { | 
|  | /* | 
|  | * TO DO: Check exception type | 
|  | */ | 
|  | serror = JDWP_ERROR(TYPE_MISMATCH); | 
|  | JNI_FUNC_PTR(env,ExceptionClear)(env); | 
|  | } | 
|  |  | 
|  | outStream_setError(out, serror); | 
|  | return JNI_TRUE; | 
|  | } | 
|  |  | 
|  |  | 
|  | void *ArrayReference_Cmds[] = { (void *)0x3 | 
|  | ,(void *)length | 
|  | ,(void *)getValues | 
|  | ,(void *)setValues}; |