--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/back/ThreadReferenceImpl.c Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,683 @@
+/*
+ * Copyright 1998-2005 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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;
+ jint depth;
+ 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
+ };