/*
* 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};