| /* |
| * Copyright (c) 1998, 2008, 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 "ThreadReferenceImpl.h" |
| #include "eventHandler.h" |
| #include "threadControl.h" |
| #include "inStream.h" |
| #include "outStream.h" |
| #include "FrameID.h" |
| |
| static jboolean |
| name(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| jthread thread; |
| |
| 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; |
| } |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jvmtiThreadInfo info; |
| jvmtiError error; |
| |
| (void)memset(&info, 0, sizeof(info)); |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadInfo) |
| (gdata->jvmti, thread, &info); |
| |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } else { |
| (void)outStream_writeString(out, info.name); |
| } |
| |
| if ( info.name != NULL ) |
| jvmtiDeallocate(info.name); |
| |
| } END_WITH_LOCAL_REFS(env); |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| suspend(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| error = threadControl_suspendThread(thread, JNI_FALSE); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| resume(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| /* true means it is okay to unblock the commandLoop thread */ |
| error = threadControl_resumeThread(thread, JNI_TRUE); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| status(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jdwpThreadStatus threadStatus; |
| jint statusFlags; |
| jvmtiError error; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| error = threadControl_applicationThreadStatus(thread, &threadStatus, |
| &statusFlags); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_TRUE; |
| } |
| (void)outStream_writeInt(out, threadStatus); |
| (void)outStream_writeInt(out, statusFlags); |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| threadGroup(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| jthread thread; |
| |
| 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; |
| } |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jvmtiThreadInfo info; |
| jvmtiError error; |
| |
| (void)memset(&info, 0, sizeof(info)); |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadInfo) |
| (gdata->jvmti, thread, &info); |
| |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } else { |
| (void)outStream_writeObjectRef(env, out, info.thread_group); |
| } |
| |
| if ( info.name!=NULL ) |
| jvmtiDeallocate(info.name); |
| |
| } END_WITH_LOCAL_REFS(env); |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| validateSuspendedThread(PacketOutputStream *out, jthread thread) |
| { |
| jvmtiError error; |
| jint count; |
| |
| error = threadControl_suspendCount(thread, &count); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_FALSE; |
| } |
| |
| if (count == 0) { |
| outStream_setError(out, JDWP_ERROR(THREAD_NOT_SUSPENDED)); |
| return JNI_FALSE; |
| } |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| frames(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| FrameNumber fnum; |
| jint count; |
| JNIEnv *env; |
| jthread thread; |
| jint startIndex; |
| jint length; |
| |
| env = getEnv(); |
| |
| thread = inStream_readThreadRef(env, in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| startIndex = inStream_readInt(in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| length = inStream_readInt(in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| if (!validateSuspendedThread(out, thread)) { |
| return JNI_TRUE; |
| } |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameCount) |
| (gdata->jvmti, thread, &count); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_TRUE; |
| } |
| |
| if (length == -1) { |
| length = count - startIndex; |
| } |
| |
| if (length == 0) { |
| (void)outStream_writeInt(out, 0); |
| return JNI_TRUE; |
| } |
| |
| if ((startIndex < 0) || (startIndex > count - 1)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_INDEX)); |
| return JNI_TRUE; |
| } |
| |
| if ((length < 0) || (length + startIndex > count)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_LENGTH)); |
| return JNI_TRUE; |
| } |
| |
| (void)outStream_writeInt(out, length); |
| |
| for(fnum = startIndex ; fnum < startIndex+length ; fnum++ ) { |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jclass clazz; |
| jmethodID method; |
| jlocation location; |
| |
| /* Get location info */ |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameLocation) |
| (gdata->jvmti, thread, fnum, &method, &location); |
| if (error == JVMTI_ERROR_OPAQUE_FRAME) { |
| clazz = NULL; |
| location = -1L; |
| error = JVMTI_ERROR_NONE; |
| } else if ( error == JVMTI_ERROR_NONE ) { |
| error = methodClass(method, &clazz); |
| if ( error == JVMTI_ERROR_NONE ) { |
| FrameID frame; |
| frame = createFrameID(thread, fnum); |
| (void)outStream_writeFrameID(out, frame); |
| writeCodeLocation(out, clazz, method, location); |
| } |
| } |
| |
| } END_WITH_LOCAL_REFS(env); |
| |
| if (error != JVMTI_ERROR_NONE) |
| break; |
| |
| } |
| |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| getFrameCount(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jint count; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| if (!validateSuspendedThread(out, thread)) { |
| return JNI_TRUE; |
| } |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetFrameCount) |
| (gdata->jvmti, thread, &count); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_TRUE; |
| } |
| (void)outStream_writeInt(out, count); |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| ownedMonitors(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| jthread thread; |
| |
| 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; |
| } |
| |
| if (!validateSuspendedThread(out, thread)) { |
| return JNI_TRUE; |
| } |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jvmtiError error; |
| jint count = 0; |
| jobject *monitors = NULL; |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorInfo) |
| (gdata->jvmti, thread, &count, &monitors); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } else { |
| int i; |
| (void)outStream_writeInt(out, count); |
| for (i = 0; i < count; i++) { |
| jobject monitor = monitors[i]; |
| (void)outStream_writeByte(out, specificTypeKey(env, monitor)); |
| (void)outStream_writeObjectRef(env, out, monitor); |
| } |
| } |
| if (monitors != NULL) |
| jvmtiDeallocate(monitors); |
| |
| } END_WITH_LOCAL_REFS(env); |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| currentContendedMonitor(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| jthread thread; |
| |
| env = getEnv(); |
| |
| thread = inStream_readThreadRef(env, in); |
| if (inStream_error(in)) { |
| 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; |
| } |
| |
| WITH_LOCAL_REFS(env, 1) { |
| |
| jobject monitor; |
| jvmtiError error; |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetCurrentContendedMonitor) |
| (gdata->jvmti, thread, &monitor); |
| |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } else { |
| (void)outStream_writeByte(out, specificTypeKey(env, monitor)); |
| (void)outStream_writeObjectRef(env, out, monitor); |
| } |
| |
| } END_WITH_LOCAL_REFS(env); |
| |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| stop(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jthread thread; |
| jobject throwable; |
| JNIEnv *env; |
| |
| env = getEnv(); |
| thread = inStream_readThreadRef(env, in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| throwable = inStream_readObjectRef(env, in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| error = threadControl_stop(thread, throwable); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| interrupt(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| error = threadControl_interrupt(thread); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| suspendCount(PacketInputStream *in, PacketOutputStream *out) |
| { |
| jvmtiError error; |
| jint count; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| return JNI_TRUE; |
| } |
| |
| if (threadControl_isDebugThread(thread)) { |
| outStream_setError(out, JDWP_ERROR(INVALID_THREAD)); |
| return JNI_TRUE; |
| } |
| |
| error = threadControl_suspendCount(thread, &count); |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| return JNI_TRUE; |
| } |
| |
| (void)outStream_writeInt(out, count); |
| return JNI_TRUE; |
| } |
| |
| static jboolean |
| ownedMonitorsWithStackDepth(PacketInputStream *in, PacketOutputStream *out) |
| { |
| JNIEnv *env; |
| jthread thread; |
| |
| thread = inStream_readThreadRef(getEnv(), in); |
| if (inStream_error(in)) { |
| 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; |
| jint count = 0; |
| jvmtiMonitorStackDepthInfo *monitors=NULL; |
| |
| error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorStackDepthInfo) |
| (gdata->jvmti, thread, &count, &monitors); |
| |
| if (error != JVMTI_ERROR_NONE) { |
| outStream_setError(out, map2jdwpError(error)); |
| } else { |
| int i; |
| (void)outStream_writeInt(out, count); |
| for (i = 0; i < count; i++) { |
| jobject monitor = monitors[i].monitor; |
| (void)outStream_writeByte(out, specificTypeKey(env, monitor)); |
| (void)outStream_writeObjectRef(getEnv(), out, monitor); |
| (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 |
| }; |
