| /* |
| * 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 "ArrayTypeImpl.h" |
| #include "util.h" |
| #include "inStream.h" |
| #include "outStream.h" |
| |
| /* |
| * Determine the component class by looking thru all classes for |
| * one that has the signature of the component and the same class loadeer |
| * as the array. See JVM spec 5.3.3: |
| * If the component type is a reference type, C is marked as having |
| * been defined by the defining class loader of the component type. |
| */ |
| static jdwpError |
| getComponentClass(JNIEnv *env, jclass arrayClass, char *componentSignature, |
| jclass *componentClassPtr) |
| { |
| jobject arrayClassLoader; |
| jclass *classes; |
| jint count; |
| jclass componentClass = NULL; |
| jdwpError serror; |
| jvmtiError error; |
| |
| serror = JDWP_ERROR(NONE); |
| |
| error = classLoader(arrayClass, &arrayClassLoader); |
| if (error != JVMTI_ERROR_NONE) { |
| return map2jdwpError(error); |
| } |
| |
| error = allLoadedClasses(&classes, &count); |
| if (error != JVMTI_ERROR_NONE) { |
| serror = map2jdwpError(error); |
| } else { |
| int i; |
| for (i = 0; (i < count) && (componentClass == NULL); i++) { |
| char *signature = NULL; |
| jclass clazz = classes[i]; |
| jboolean match; |
| jvmtiError error; |
| |
| /* signature must match */ |
| error = classSignature(clazz, &signature, NULL); |
| if (error != JVMTI_ERROR_NONE) { |
| serror = map2jdwpError(error); |
| break; |
| } |
| match = strcmp(signature, componentSignature) == 0; |
| jvmtiDeallocate(signature); |
| |
| /* if signature matches, get class loader to check if |
| * it matches |
| */ |
| if (match) { |
| jobject loader; |
| error = classLoader(clazz, &loader); |
| if (error != JVMTI_ERROR_NONE) { |
| return map2jdwpError(error); |
| } |
| match = isSameObject(env, loader, arrayClassLoader); |
| } |
| |
| if (match) { |
| componentClass = clazz; |
| } |
| } |
| jvmtiDeallocate(classes); |
| |
| *componentClassPtr = componentClass; |
| } |
| |
| if (serror == JDWP_ERROR(NONE) && componentClass == NULL) { |
| /* per JVM spec, component class is always loaded |
| * before array class, so this should never occur. |
| */ |
| serror = JDWP_ERROR(NOT_FOUND); |
| } |
| |
| return serror; |
| } |
| |
| static void |
| writeNewObjectArray(JNIEnv *env, PacketOutputStream *out, |
| jclass arrayClass, jint size, char *componentSignature) |
| { |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jarray array; |
| jclass componentClass = NULL; |
| jdwpError serror; |
| |
| serror = getComponentClass(env, arrayClass, |
| componentSignature, &componentClass); |
| if (serror != JDWP_ERROR(NONE)) { |
| outStream_setError(out, serror); |
| } else { |
| |
| array = JNI_FUNC_PTR(env,NewObjectArray)(env, size, componentClass, 0); |
| if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| array = NULL; |
| } |
| |
| if (array == NULL) { |
| outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY)); |
| } else { |
| (void)outStream_writeByte(out, specificTypeKey(env, array)); |
| (void)outStream_writeObjectRef(env, out, array); |
| } |
| |
| } |
| |
| } END_WITH_LOCAL_REFS(env); |
| } |
| |
| static void |
| writeNewPrimitiveArray(JNIEnv *env, PacketOutputStream *out, |
| jclass arrayClass, jint size, char *componentSignature) |
| { |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jarray array = NULL; |
| |
| switch (componentSignature[0]) { |
| case JDWP_TAG(BYTE): |
| array = JNI_FUNC_PTR(env,NewByteArray)(env, size); |
| break; |
| |
| case JDWP_TAG(CHAR): |
| array = JNI_FUNC_PTR(env,NewCharArray)(env, size); |
| break; |
| |
| case JDWP_TAG(FLOAT): |
| array = JNI_FUNC_PTR(env,NewFloatArray)(env, size); |
| break; |
| |
| case JDWP_TAG(DOUBLE): |
| array = JNI_FUNC_PTR(env,NewDoubleArray)(env, size); |
| break; |
| |
| case JDWP_TAG(INT): |
| array = JNI_FUNC_PTR(env,NewIntArray)(env, size); |
| break; |
| |
| case JDWP_TAG(LONG): |
| array = JNI_FUNC_PTR(env,NewLongArray)(env, size); |
| break; |
| |
| case JDWP_TAG(SHORT): |
| array = JNI_FUNC_PTR(env,NewShortArray)(env, size); |
| break; |
| |
| case JDWP_TAG(BOOLEAN): |
| array = JNI_FUNC_PTR(env,NewBooleanArray)(env, size); |
| break; |
| |
| default: |
| outStream_setError(out, JDWP_ERROR(TYPE_MISMATCH)); |
| break; |
| } |
| |
| if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) { |
| JNI_FUNC_PTR(env,ExceptionClear)(env); |
| array = NULL; |
| } |
| |
| if (array == NULL) { |
| outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY)); |
| } else { |
| (void)outStream_writeByte(out, specificTypeKey(env, array)); |
| (void)outStream_writeObjectRef(env, out, array); |
| } |
| |
| } END_WITH_LOCAL_REFS(env); |
| } |
| |
| static jboolean |
| newInstance(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| char *signature = NULL; |
| char *componentSignature; |
| jclass arrayClass; |
| jint size; |
| jvmtiError error; |
| |
| env = getEnv(); |
| |
| arrayClass = inStream_readClassRef(env, in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| size = inStream_readInt(in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| error = classSignature(arrayClass, &signature, NULL); |
| if ( error != JVMTI_ERROR_NONE ) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_FALSE; |
| } |
| componentSignature = &signature[1]; |
| |
| if ((componentSignature[0] == JDWP_TAG(OBJECT)) || |
| (componentSignature[0] == JDWP_TAG(ARRAY))) { |
| writeNewObjectArray(env, out, arrayClass, size, componentSignature); |
| } else { |
| writeNewPrimitiveArray(env, out, arrayClass, size, componentSignature); |
| } |
| |
| jvmtiDeallocate(signature); |
| return JNI_TRUE; |
| } |
| |
| void *ArrayType_Cmds[] = { (void *)0x1 |
| ,(void *)newInstance}; |