/*
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* Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "util.h"
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#include "ThreadReferenceImpl.h"
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#include "eventHandler.h"
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#include "threadControl.h"
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#include "inStream.h"
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#include "outStream.h"
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#include "FrameID.h"
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static jboolean
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name(PacketInputStream *in, PacketOutputStream *out)
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{
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JNIEnv *env;
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jthread thread;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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WITH_LOCAL_REFS(env, 1) {
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jvmtiThreadInfo info;
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jvmtiError error;
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(void)memset(&info, 0, sizeof(info));
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadInfo)
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(gdata->jvmti, thread, &info);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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} else {
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(void)outStream_writeString(out, info.name);
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}
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if ( info.name != NULL )
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jvmtiDeallocate(info.name);
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} END_WITH_LOCAL_REFS(env);
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return JNI_TRUE;
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}
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static jboolean
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suspend(PacketInputStream *in, PacketOutputStream *out)
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{
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jvmtiError error;
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jthread thread;
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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error = threadControl_suspendThread(thread, JNI_FALSE);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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}
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return JNI_TRUE;
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}
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static jboolean
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resume(PacketInputStream *in, PacketOutputStream *out)
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{
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jvmtiError error;
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jthread thread;
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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/* true means it is okay to unblock the commandLoop thread */
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error = threadControl_resumeThread(thread, JNI_TRUE);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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}
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return JNI_TRUE;
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}
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static jboolean
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status(PacketInputStream *in, PacketOutputStream *out)
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{
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jdwpThreadStatus threadStatus;
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jint statusFlags;
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jvmtiError error;
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jthread thread;
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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error = threadControl_applicationThreadStatus(thread, &threadStatus,
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&statusFlags);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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return JNI_TRUE;
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}
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(void)outStream_writeInt(out, threadStatus);
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(void)outStream_writeInt(out, statusFlags);
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return JNI_TRUE;
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}
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static jboolean
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threadGroup(PacketInputStream *in, PacketOutputStream *out)
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{
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JNIEnv *env;
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jthread thread;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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WITH_LOCAL_REFS(env, 1) {
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jvmtiThreadInfo info;
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jvmtiError error;
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(void)memset(&info, 0, sizeof(info));
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadInfo)
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(gdata->jvmti, thread, &info);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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} else {
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(void)outStream_writeObjectRef(env, out, info.thread_group);
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}
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if ( info.name!=NULL )
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jvmtiDeallocate(info.name);
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} END_WITH_LOCAL_REFS(env);
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return JNI_TRUE;
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}
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static jboolean
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validateSuspendedThread(PacketOutputStream *out, jthread thread)
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{
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jvmtiError error;
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jint count;
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error = threadControl_suspendCount(thread, &count);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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return JNI_FALSE;
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}
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if (count == 0) {
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outStream_setError(out, JDWP_ERROR(THREAD_NOT_SUSPENDED));
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return JNI_FALSE;
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}
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return JNI_TRUE;
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}
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static jboolean
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frames(PacketInputStream *in, PacketOutputStream *out)
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{
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jvmtiError error;
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FrameNumber fnum;
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jint count;
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JNIEnv *env;
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jthread thread;
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jint startIndex;
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jint length;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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startIndex = inStream_readInt(in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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length = inStream_readInt(in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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if (!validateSuspendedThread(out, thread)) {
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return JNI_TRUE;
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}
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameCount)
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(gdata->jvmti, thread, &count);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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return JNI_TRUE;
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}
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if (length == -1) {
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length = count - startIndex;
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}
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if (length == 0) {
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(void)outStream_writeInt(out, 0);
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return JNI_TRUE;
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}
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if ((startIndex < 0) || (startIndex > count - 1)) {
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outStream_setError(out, JDWP_ERROR(INVALID_INDEX));
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return JNI_TRUE;
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}
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if ((length < 0) || (length + startIndex > count)) {
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outStream_setError(out, JDWP_ERROR(INVALID_LENGTH));
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return JNI_TRUE;
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}
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(void)outStream_writeInt(out, length);
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for(fnum = startIndex ; fnum < startIndex+length ; fnum++ ) {
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WITH_LOCAL_REFS(env, 1) {
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jclass clazz;
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jmethodID method;
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jlocation location;
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/* Get location info */
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameLocation)
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(gdata->jvmti, thread, fnum, &method, &location);
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if (error == JVMTI_ERROR_OPAQUE_FRAME) {
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clazz = NULL;
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location = -1L;
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error = JVMTI_ERROR_NONE;
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} else if ( error == JVMTI_ERROR_NONE ) {
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error = methodClass(method, &clazz);
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if ( error == JVMTI_ERROR_NONE ) {
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FrameID frame;
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frame = createFrameID(thread, fnum);
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(void)outStream_writeFrameID(out, frame);
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writeCodeLocation(out, clazz, method, location);
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}
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}
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} END_WITH_LOCAL_REFS(env);
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if (error != JVMTI_ERROR_NONE)
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break;
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}
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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}
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return JNI_TRUE;
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}
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static jboolean
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getFrameCount(PacketInputStream *in, PacketOutputStream *out)
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{
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jvmtiError error;
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jint count;
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jthread thread;
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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if (!validateSuspendedThread(out, thread)) {
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return JNI_TRUE;
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}
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameCount)
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(gdata->jvmti, thread, &count);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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return JNI_TRUE;
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}
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(void)outStream_writeInt(out, count);
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return JNI_TRUE;
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}
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static jboolean
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ownedMonitors(PacketInputStream *in, PacketOutputStream *out)
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{
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JNIEnv *env;
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jthread thread;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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if (!validateSuspendedThread(out, thread)) {
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return JNI_TRUE;
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}
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WITH_LOCAL_REFS(env, 1) {
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jvmtiError error;
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jint count = 0;
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jobject *monitors = NULL;
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorInfo)
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(gdata->jvmti, thread, &count, &monitors);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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} else {
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int i;
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(void)outStream_writeInt(out, count);
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for (i = 0; i < count; i++) {
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jobject monitor = monitors[i];
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(void)outStream_writeByte(out, specificTypeKey(env, monitor));
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(void)outStream_writeObjectRef(env, out, monitor);
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}
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}
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if (monitors != NULL)
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jvmtiDeallocate(monitors);
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} END_WITH_LOCAL_REFS(env);
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return JNI_TRUE;
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}
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static jboolean
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currentContendedMonitor(PacketInputStream *in, PacketOutputStream *out)
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{
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JNIEnv *env;
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jthread thread;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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if (thread == NULL || threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
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if (!validateSuspendedThread(out, thread)) {
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return JNI_TRUE;
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}
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WITH_LOCAL_REFS(env, 1) {
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jobject monitor;
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jvmtiError error;
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetCurrentContendedMonitor)
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(gdata->jvmti, thread, &monitor);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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} else {
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(void)outStream_writeByte(out, specificTypeKey(env, monitor));
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(void)outStream_writeObjectRef(env, out, monitor);
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}
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} END_WITH_LOCAL_REFS(env);
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return JNI_TRUE;
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}
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static jboolean
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stop(PacketInputStream *in, PacketOutputStream *out)
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{
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jvmtiError error;
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jthread thread;
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jobject throwable;
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JNIEnv *env;
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env = getEnv();
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thread = inStream_readThreadRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
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throwable = inStream_readObjectRef(env, in);
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if (inStream_error(in)) {
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return JNI_TRUE;
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}
|
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if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
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}
|
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error = threadControl_stop(thread, throwable);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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}
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return JNI_TRUE;
|
}
|
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static jboolean
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interrupt(PacketInputStream *in, PacketOutputStream *out)
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{
|
jvmtiError error;
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jthread thread;
|
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
|
}
|
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if (threadControl_isDebugThread(thread)) {
|
outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
|
}
|
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error = threadControl_interrupt(thread);
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if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
|
}
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return JNI_TRUE;
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}
|
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static jboolean
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suspendCount(PacketInputStream *in, PacketOutputStream *out)
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{
|
jvmtiError error;
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jint count;
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jthread thread;
|
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
|
}
|
|
if (threadControl_isDebugThread(thread)) {
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outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
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return JNI_TRUE;
|
}
|
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error = threadControl_suspendCount(thread, &count);
|
if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
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return JNI_TRUE;
|
}
|
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(void)outStream_writeInt(out, count);
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return JNI_TRUE;
|
}
|
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static jboolean
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ownedMonitorsWithStackDepth(PacketInputStream *in, PacketOutputStream *out)
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{
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JNIEnv *env;
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jthread thread;
|
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thread = inStream_readThreadRef(getEnv(), in);
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if (inStream_error(in)) {
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return JNI_TRUE;
|
}
|
|
if (thread == NULL || threadControl_isDebugThread(thread)) {
|
outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
|
return JNI_TRUE;
|
}
|
|
if (!validateSuspendedThread(out, thread)) {
|
return JNI_TRUE;
|
}
|
|
env = getEnv();
|
|
WITH_LOCAL_REFS(env, 1) {
|
|
jvmtiError error = JVMTI_ERROR_NONE;
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jint count = 0;
|
jvmtiMonitorStackDepthInfo *monitors=NULL;
|
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error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorStackDepthInfo)
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(gdata->jvmti, thread, &count, &monitors);
|
|
if (error != JVMTI_ERROR_NONE) {
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outStream_setError(out, map2jdwpError(error));
|
} else {
|
int i;
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(void)outStream_writeInt(out, count);
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for (i = 0; i < count; i++) {
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jobject monitor = monitors[i].monitor;
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(void)outStream_writeByte(out, specificTypeKey(env, monitor));
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(void)outStream_writeObjectRef(getEnv(), out, monitor);
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(void)outStream_writeInt(out,monitors[i].stack_depth);
|
}
|
}
|
if (monitors != NULL) {
|
jvmtiDeallocate(monitors);
|
}
|
|
} END_WITH_LOCAL_REFS(env);
|
|
return JNI_TRUE;
|
}
|
|
static jboolean
|
forceEarlyReturn(PacketInputStream *in, PacketOutputStream *out)
|
{
|
JNIEnv *env;
|
jthread thread;
|
jvalue value;
|
jbyte typeKey;
|
jvmtiError error;
|
|
env = getEnv();
|
thread = inStream_readThreadRef(env, in);
|
if (inStream_error(in)) {
|
return JNI_TRUE;
|
}
|
|
if (threadControl_isDebugThread(thread)) {
|
outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
|
return JNI_TRUE;
|
}
|
|
typeKey = inStream_readByte(in);
|
if (inStream_error(in)) {
|
return JNI_TRUE;
|
}
|
|
if (isObjectTag(typeKey)) {
|
value.l = inStream_readObjectRef(env, in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnObject)
|
(gdata->jvmti, thread, value.l);
|
} else {
|
switch (typeKey) {
|
case JDWP_TAG(VOID):
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnVoid)
|
(gdata->jvmti, thread);
|
break;
|
case JDWP_TAG(BYTE):
|
value.b = inStream_readByte(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
|
(gdata->jvmti, thread, value.b);
|
break;
|
|
case JDWP_TAG(CHAR):
|
value.c = inStream_readChar(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
|
(gdata->jvmti, thread, value.c);
|
break;
|
|
case JDWP_TAG(FLOAT):
|
value.f = inStream_readFloat(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnFloat)
|
(gdata->jvmti, thread, value.f);
|
break;
|
|
case JDWP_TAG(DOUBLE):
|
value.d = inStream_readDouble(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnDouble)
|
(gdata->jvmti, thread, value.d);
|
break;
|
|
case JDWP_TAG(INT):
|
value.i = inStream_readInt(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
|
(gdata->jvmti, thread, value.i);
|
break;
|
|
case JDWP_TAG(LONG):
|
value.j = inStream_readLong(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnLong)
|
(gdata->jvmti, thread, value.j);
|
break;
|
|
case JDWP_TAG(SHORT):
|
value.s = inStream_readShort(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
|
(gdata->jvmti, thread, value.s);
|
break;
|
|
case JDWP_TAG(BOOLEAN):
|
value.z = inStream_readBoolean(in);
|
error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
|
(gdata->jvmti, thread, value.z);
|
break;
|
|
default:
|
error = AGENT_ERROR_INVALID_TAG;
|
break;
|
}
|
}
|
{
|
jdwpError serror = map2jdwpError(error);
|
if (serror != JDWP_ERROR(NONE)) {
|
outStream_setError(out, serror);
|
}
|
}
|
return JNI_TRUE;
|
}
|
|
|
void *ThreadReference_Cmds[] = { (void *)14,
|
(void *)name,
|
(void *)suspend,
|
(void *)resume,
|
(void *)status,
|
(void *)threadGroup,
|
(void *)frames,
|
(void *)getFrameCount,
|
(void *)ownedMonitors,
|
(void *)currentContendedMonitor,
|
(void *)stop,
|
(void *)interrupt,
|
(void *)suspendCount,
|
(void *)ownedMonitorsWithStackDepth,
|
(void *)forceEarlyReturn
|
};
|
