/*
* 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 "MethodImpl.h"
#include "inStream.h"
#include "outStream.h"
static jboolean
lineTable(PacketInputStream *in, PacketOutputStream *out)
{
jvmtiError error;
jint count = 0;
jvmtiLineNumberEntry *table = NULL;
jmethodID method;
jlocation firstCodeIndex;
jlocation lastCodeIndex;
jboolean isNative;
/* JVMDI needed the class, but JVMTI does not so we ignore it */
(void)inStream_readClassRef(getEnv(), in);
if (inStream_error(in)) {
return JNI_TRUE;
}
method = inStream_readMethodID(in);
if (inStream_error(in)) {
return JNI_TRUE;
}
/*
* JVMTI behavior for the calls below is unspecified for native
* methods, so we must check explicitly.
*/
isNative = isMethodNative(method);
if (isNative) {
outStream_setError(out, JDWP_ERROR(NATIVE_METHOD));
return JNI_TRUE;
}
error = methodLocation(method, &firstCodeIndex, &lastCodeIndex);
if (error != JVMTI_ERROR_NONE) {
outStream_setError(out, map2jdwpError(error));
return JNI_TRUE;
}
(void)outStream_writeLocation(out, firstCodeIndex);
(void)outStream_writeLocation(out, lastCodeIndex);
error = JVMTI_FUNC_PTR(gdata->jvmti,GetLineNumberTable)
(gdata->jvmti, method, &count, &table);
if (error == JVMTI_ERROR_ABSENT_INFORMATION) {
/*
* Indicate no line info with an empty table. The code indices
* are still useful, so we don't want to return an error
*/
(void)outStream_writeInt(out, 0);
} else if (error == JVMTI_ERROR_NONE) {
jint i;
(void)outStream_writeInt(out, count);
for (i = 0; (i < count) && !outStream_error(out); i++) {
(void)outStream_writeLocation(out, table[i].start_location);
(void)outStream_writeInt(out, table[i].line_number);
}
jvmtiDeallocate(table);
} else {
outStream_setError(out, map2jdwpError(error));
}
return JNI_TRUE;
}
static jboolean
doVariableTable(PacketInputStream *in, PacketOutputStream *out,
int outputGenerics)
{
jvmtiError error;
jint count;
jvmtiLocalVariableEntry *table;
jmethodID method;
jint argsSize;
jboolean isNative;
/* JVMDI needed the class, but JVMTI does not so we ignore it */
(void)inStream_readClassRef(getEnv(), in);
if (inStream_error(in)) {
return JNI_TRUE;
}
method = inStream_readMethodID(in);
if (inStream_error(in)) {
return JNI_TRUE;
}
/*
* JVMTI behavior for the calls below is unspecified for native
* methods, so we must check explicitly.
*/
isNative = isMethodNative(method);
if (isNative) {
outStream_setError(out, JDWP_ERROR(NATIVE_METHOD));
return JNI_TRUE;
}
error = JVMTI_FUNC_PTR(gdata->jvmti,GetArgumentsSize)
(gdata->jvmti, method, &argsSize);
if (error != JVMTI_ERROR_NONE) {
outStream_setError(out, map2jdwpError(error));
return JNI_TRUE;
}
error = JVMTI_FUNC_PTR(gdata->jvmti,GetLocalVariableTable)
(gdata->jvmti, method, &count, &table);
if (error == JVMTI_ERROR_NONE) {
jint i;
(void)outStream_writeInt(out, argsSize);
(void)outStream_writeInt(out, count);
for (i = 0; (i < count) && !outStream_error(out); i++) {
jvmtiLocalVariableEntry *entry = &table[i];
(void)outStream_writeLocation(out, entry->start_location);
(void)outStream_writeString(out, entry->name);
(void)outStream_writeString(out, entry->signature);
if (outputGenerics == 1) {
writeGenericSignature(out, entry->generic_signature);
}
(void)outStream_writeInt(out, entry->length);
(void)outStream_writeInt(out, entry->slot);
jvmtiDeallocate(entry->name);
jvmtiDeallocate(entry->signature);
if (entry->generic_signature != NULL) {
jvmtiDeallocate(entry->generic_signature);
}
}
jvmtiDeallocate(table);
} else {
outStream_setError(out, map2jdwpError(error));
}
return JNI_TRUE;
}
static jboolean
variableTable(PacketInputStream *in, PacketOutputStream *out) {
return doVariableTable(in, out, 0);
}
static jboolean
variableTableWithGenerics(PacketInputStream *in, PacketOutputStream *out) {
return doVariableTable(in, out, 1);
}
static jboolean
bytecodes(PacketInputStream *in, PacketOutputStream *out)
{
jvmtiError error;
unsigned char * bcp;
jint bytecodeCount;
jmethodID method;
/* JVMDI needed the class, but JVMTI does not so we ignore it */
(void)inStream_readClassRef(getEnv(), in);
if (inStream_error(in)) {
return JNI_TRUE;
}
method = inStream_readMethodID(in);
if (inStream_error(in)) {
return JNI_TRUE;
}
/* Initialize assuming no bytecodes and no error */
error = JVMTI_ERROR_NONE;
bytecodeCount = 0;
bcp = NULL;
/* Only non-native methods have bytecodes, don't even ask if native. */
if ( !isMethodNative(method) ) {
error = JVMTI_FUNC_PTR(gdata->jvmti,GetBytecodes)
(gdata->jvmti, method, &bytecodeCount, &bcp);
}
if (error != JVMTI_ERROR_NONE) {
outStream_setError(out, map2jdwpError(error));
} else {
(void)outStream_writeByteArray(out, bytecodeCount, (jbyte *)bcp);
jvmtiDeallocate(bcp);
}
return JNI_TRUE;
}
static jboolean
isObsolete(PacketInputStream *in, PacketOutputStream *out)
{
jboolean isObsolete;
jmethodID method;
/* JVMDI needed the class, but JVMTI does not so we ignore it */
(void)inStream_readClassRef(getEnv(), in);
if (inStream_error(in)) {
return JNI_TRUE;
}
method = inStream_readMethodID(in);
if (inStream_error(in)) {
return JNI_TRUE;
}
isObsolete = isMethodObsolete(method);
(void)outStream_writeBoolean(out, isObsolete);
return JNI_TRUE;
}
void *Method_Cmds[] = { (void *)0x5
,(void *)lineTable
,(void *)variableTable
,(void *)bytecodes
,(void *)isObsolete
,(void *)variableTableWithGenerics
};