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/*
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* Copyright 1998-2007 Sun Microsystems, Inc. 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. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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#include <ctype.h>
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#include "util.h"
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#include "transport.h"
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#include "eventHandler.h"
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#include "threadControl.h"
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#include "outStream.h"
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#include "inStream.h"
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#include "invoker.h"
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/* Global data area */
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BackendGlobalData *gdata = NULL;
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/* Forward declarations */
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static jboolean isInterface(jclass clazz);
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static jboolean isArrayClass(jclass clazz);
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static char * getPropertyUTF8(JNIEnv *env, char *propertyName);
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/* Save an object reference for use later (create a NewGlobalRef) */
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void
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saveGlobalRef(JNIEnv *env, jobject obj, jobject *pobj)
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{
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jobject newobj;
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49 |
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if ( pobj == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef pobj");
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}
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if ( *pobj != NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef *pobj");
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}
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if ( env == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef env");
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}
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if ( obj == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"saveGlobalRef obj");
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}
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newobj = JNI_FUNC_PTR(env,NewGlobalRef)(env, obj);
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if ( newobj == NULL ) {
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,"NewGlobalRef");
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}
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*pobj = newobj;
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}
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/* Toss a previously saved object reference */
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void
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tossGlobalRef(JNIEnv *env, jobject *pobj)
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{
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jobject obj;
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if ( pobj == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"tossGlobalRef pobj");
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}
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obj = *pobj;
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if ( env == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"tossGlobalRef env");
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}
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if ( obj == NULL ) {
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,"tossGlobalRef obj");
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}
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JNI_FUNC_PTR(env,DeleteGlobalRef)(env, obj);
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*pobj = NULL;
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}
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static jclass
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findClass(JNIEnv *env, const char * name)
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{
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jclass x;
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if ( env == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"findClass env");
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}
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if ( name == NULL || name[0] == 0 ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"findClass name");
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}
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x = JNI_FUNC_PTR(env,FindClass)(env, name);
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if (x == NULL) {
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ERROR_MESSAGE(("JDWP Can't find class %s", name));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
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ERROR_MESSAGE(("JDWP Exception occurred finding class %s", name));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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return x;
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}
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static jmethodID
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getMethod(JNIEnv *env, jclass clazz, const char * name, const char *signature)
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{
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jmethodID method;
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if ( env == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod env");
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}
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if ( clazz == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod clazz");
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}
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if ( name == NULL || name[0] == 0 ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod name");
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}
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if ( signature == NULL || signature[0] == 0 ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getMethod signature");
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}
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method = JNI_FUNC_PTR(env,GetMethodID)(env, clazz, name, signature);
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if (method == NULL) {
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ERROR_MESSAGE(("JDWP Can't find method %s with signature %s",
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name, signature));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
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ERROR_MESSAGE(("JDWP Exception occurred finding method %s with signature %s",
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name, signature));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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return method;
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}
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static jmethodID
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getStaticMethod(JNIEnv *env, jclass clazz, const char * name, const char *signature)
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{
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jmethodID method;
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if ( env == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod env");
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}
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if ( clazz == NULL ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod clazz");
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}
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if ( name == NULL || name[0] == 0 ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod name");
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}
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if ( signature == NULL || signature[0] == 0 ) {
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EXIT_ERROR(AGENT_ERROR_ILLEGAL_ARGUMENT,"getStaticMethod signature");
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}
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method = JNI_FUNC_PTR(env,GetStaticMethodID)(env, clazz, name, signature);
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if (method == NULL) {
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ERROR_MESSAGE(("JDWP Can't find method %s with signature %s",
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name, signature));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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if ( JNI_FUNC_PTR(env,ExceptionOccurred)(env) ) {
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ERROR_MESSAGE(("JDWP Exception occurred finding method %s with signature %s",
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name, signature));
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EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
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}
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return method;
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}
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173 |
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void
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util_initialize(JNIEnv *env)
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{
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WITH_LOCAL_REFS(env, 6) {
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jvmtiError error;
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jclass localClassClass;
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jclass localThreadClass;
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jclass localThreadGroupClass;
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jclass localClassLoaderClass;
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jclass localStringClass;
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jclass localSystemClass;
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jclass localPropertiesClass;
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jclass localVMSupportClass;
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jobject localAgentProperties;
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jmethodID getAgentProperties;
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jint groupCount;
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jthreadGroup *groups;
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jthreadGroup localSystemThreadGroup;
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193 |
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/* Find some standard classes */
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195 |
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localClassClass = findClass(env,"java/lang/Class");
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localThreadClass = findClass(env,"java/lang/Thread");
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localThreadGroupClass = findClass(env,"java/lang/ThreadGroup");
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localClassLoaderClass = findClass(env,"java/lang/ClassLoader");
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localStringClass = findClass(env,"java/lang/String");
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localSystemClass = findClass(env,"java/lang/System");
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localPropertiesClass = findClass(env,"java/util/Properties");
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203 |
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204 |
/* Save references */
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205 |
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saveGlobalRef(env, localClassClass, &(gdata->classClass));
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saveGlobalRef(env, localThreadClass, &(gdata->threadClass));
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saveGlobalRef(env, localThreadGroupClass, &(gdata->threadGroupClass));
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saveGlobalRef(env, localClassLoaderClass, &(gdata->classLoaderClass));
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saveGlobalRef(env, localStringClass, &(gdata->stringClass));
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saveGlobalRef(env, localSystemClass, &(gdata->systemClass));
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212 |
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/* Find some standard methods */
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214 |
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gdata->threadConstructor =
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getMethod(env, gdata->threadClass,
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"<init>", "(Ljava/lang/ThreadGroup;Ljava/lang/String;)V");
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gdata->threadSetDaemon =
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getMethod(env, gdata->threadClass, "setDaemon", "(Z)V");
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gdata->threadResume =
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getMethod(env, gdata->threadClass, "resume", "()V");
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gdata->systemGetProperty =
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getStaticMethod(env, gdata->systemClass,
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"getProperty", "(Ljava/lang/String;)Ljava/lang/String;");
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225 |
gdata->setProperty =
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getMethod(env, localPropertiesClass,
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"setProperty", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/Object;");
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228 |
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229 |
/* Find the system thread group */
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230 |
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231 |
groups = NULL;
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232 |
groupCount = 0;
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233 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetTopThreadGroups)
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(gdata->jvmti, &groupCount, &groups);
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235 |
if (error != JVMTI_ERROR_NONE ) {
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236 |
EXIT_ERROR(error, "Can't get system thread group");
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237 |
}
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238 |
if ( groupCount == 0 ) {
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239 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER, "Can't get system thread group");
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240 |
}
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241 |
localSystemThreadGroup = groups[0];
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242 |
saveGlobalRef(env, localSystemThreadGroup, &(gdata->systemThreadGroup));
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243 |
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244 |
/* Get some basic Java property values we will need at some point */
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245 |
gdata->property_java_version
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246 |
= getPropertyUTF8(env, "java.version");
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247 |
gdata->property_java_vm_name
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248 |
= getPropertyUTF8(env, "java.vm.name");
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249 |
gdata->property_java_vm_info
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250 |
= getPropertyUTF8(env, "java.vm.info");
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251 |
gdata->property_java_class_path
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= getPropertyUTF8(env, "java.class.path");
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253 |
gdata->property_sun_boot_class_path
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254 |
= getPropertyUTF8(env, "sun.boot.class.path");
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255 |
gdata->property_sun_boot_library_path
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256 |
= getPropertyUTF8(env, "sun.boot.library.path");
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257 |
gdata->property_path_separator
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|
258 |
= getPropertyUTF8(env, "path.separator");
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259 |
gdata->property_user_dir
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260 |
= getPropertyUTF8(env, "user.dir");
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261 |
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262 |
/* Get agent properties: invoke sun.misc.VMSupport.getAgentProperties */
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263 |
localVMSupportClass = JNI_FUNC_PTR(env,FindClass)
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264 |
(env, "sun/misc/VMSupport");
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|
265 |
if (localVMSupportClass == NULL) {
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266 |
gdata->agent_properties = NULL;
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267 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
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|
268 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
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|
269 |
}
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|
270 |
} else {
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|
271 |
getAgentProperties =
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272 |
getStaticMethod(env, localVMSupportClass,
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|
273 |
"getAgentProperties", "()Ljava/util/Properties;");
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274 |
localAgentProperties =
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275 |
JNI_FUNC_PTR(env,CallStaticObjectMethod)
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276 |
(env, localVMSupportClass, getAgentProperties);
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277 |
saveGlobalRef(env, localAgentProperties, &(gdata->agent_properties));
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278 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
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279 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
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|
280 |
EXIT_ERROR(AGENT_ERROR_INTERNAL,
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|
281 |
"Exception occurred calling sun.misc.VMSupport.getAgentProperties");
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|
282 |
}
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|
283 |
}
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284 |
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|
285 |
} END_WITH_LOCAL_REFS(env);
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|
286 |
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|
287 |
}
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|
288 |
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|
289 |
void
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|
290 |
util_reset(void)
|
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|
291 |
{
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292 |
}
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293 |
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|
294 |
jboolean
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|
295 |
isObjectTag(jbyte tag) {
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|
296 |
return (tag == JDWP_TAG(OBJECT)) ||
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|
297 |
(tag == JDWP_TAG(STRING)) ||
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298 |
(tag == JDWP_TAG(THREAD)) ||
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299 |
(tag == JDWP_TAG(THREAD_GROUP)) ||
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|
300 |
(tag == JDWP_TAG(CLASS_LOADER)) ||
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301 |
(tag == JDWP_TAG(CLASS_OBJECT)) ||
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|
302 |
(tag == JDWP_TAG(ARRAY));
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|
303 |
}
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304 |
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|
305 |
jbyte
|
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|
306 |
specificTypeKey(JNIEnv *env, jobject object)
|
|
|
307 |
{
|
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|
308 |
if (object == NULL) {
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|
309 |
return JDWP_TAG(OBJECT);
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|
310 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->stringClass)) {
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|
311 |
return JDWP_TAG(STRING);
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|
312 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadClass)) {
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|
313 |
return JDWP_TAG(THREAD);
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|
314 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadGroupClass)) {
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|
315 |
return JDWP_TAG(THREAD_GROUP);
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|
316 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classLoaderClass)) {
|
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|
317 |
return JDWP_TAG(CLASS_LOADER);
|
|
|
318 |
} else if (JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classClass)) {
|
|
|
319 |
return JDWP_TAG(CLASS_OBJECT);
|
|
|
320 |
} else {
|
|
|
321 |
jboolean classIsArray;
|
|
|
322 |
|
|
|
323 |
WITH_LOCAL_REFS(env, 1) {
|
|
|
324 |
jclass clazz;
|
|
|
325 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object);
|
|
|
326 |
classIsArray = isArrayClass(clazz);
|
|
|
327 |
} END_WITH_LOCAL_REFS(env);
|
|
|
328 |
|
|
|
329 |
return (classIsArray ? JDWP_TAG(ARRAY) : JDWP_TAG(OBJECT));
|
|
|
330 |
}
|
|
|
331 |
}
|
|
|
332 |
|
|
|
333 |
static void
|
|
|
334 |
writeFieldValue(JNIEnv *env, PacketOutputStream *out, jobject object,
|
|
|
335 |
jfieldID field)
|
|
|
336 |
{
|
|
|
337 |
jclass clazz;
|
|
|
338 |
char *signature = NULL;
|
|
|
339 |
jvmtiError error;
|
|
|
340 |
jbyte typeKey;
|
|
|
341 |
|
|
|
342 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object);
|
|
|
343 |
error = fieldSignature(clazz, field, NULL, &signature, NULL);
|
|
|
344 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
345 |
outStream_setError(out, map2jdwpError(error));
|
|
|
346 |
return;
|
|
|
347 |
}
|
|
|
348 |
typeKey = signature[0];
|
|
|
349 |
jvmtiDeallocate(signature);
|
|
|
350 |
|
|
|
351 |
/*
|
|
|
352 |
* For primitive types, the type key is bounced back as is. Objects
|
|
|
353 |
* are handled in the switch statement below.
|
|
|
354 |
*/
|
|
|
355 |
if ((typeKey != JDWP_TAG(OBJECT)) && (typeKey != JDWP_TAG(ARRAY))) {
|
|
|
356 |
(void)outStream_writeByte(out, typeKey);
|
|
|
357 |
}
|
|
|
358 |
|
|
|
359 |
switch (typeKey) {
|
|
|
360 |
case JDWP_TAG(OBJECT):
|
|
|
361 |
case JDWP_TAG(ARRAY): {
|
|
|
362 |
jobject value = JNI_FUNC_PTR(env,GetObjectField)(env, object, field);
|
|
|
363 |
(void)outStream_writeByte(out, specificTypeKey(env, value));
|
|
|
364 |
(void)outStream_writeObjectRef(env, out, value);
|
|
|
365 |
break;
|
|
|
366 |
}
|
|
|
367 |
|
|
|
368 |
case JDWP_TAG(BYTE):
|
|
|
369 |
(void)outStream_writeByte(out,
|
|
|
370 |
JNI_FUNC_PTR(env,GetByteField)(env, object, field));
|
|
|
371 |
break;
|
|
|
372 |
|
|
|
373 |
case JDWP_TAG(CHAR):
|
|
|
374 |
(void)outStream_writeChar(out,
|
|
|
375 |
JNI_FUNC_PTR(env,GetCharField)(env, object, field));
|
|
|
376 |
break;
|
|
|
377 |
|
|
|
378 |
case JDWP_TAG(FLOAT):
|
|
|
379 |
(void)outStream_writeFloat(out,
|
|
|
380 |
JNI_FUNC_PTR(env,GetFloatField)(env, object, field));
|
|
|
381 |
break;
|
|
|
382 |
|
|
|
383 |
case JDWP_TAG(DOUBLE):
|
|
|
384 |
(void)outStream_writeDouble(out,
|
|
|
385 |
JNI_FUNC_PTR(env,GetDoubleField)(env, object, field));
|
|
|
386 |
break;
|
|
|
387 |
|
|
|
388 |
case JDWP_TAG(INT):
|
|
|
389 |
(void)outStream_writeInt(out,
|
|
|
390 |
JNI_FUNC_PTR(env,GetIntField)(env, object, field));
|
|
|
391 |
break;
|
|
|
392 |
|
|
|
393 |
case JDWP_TAG(LONG):
|
|
|
394 |
(void)outStream_writeLong(out,
|
|
|
395 |
JNI_FUNC_PTR(env,GetLongField)(env, object, field));
|
|
|
396 |
break;
|
|
|
397 |
|
|
|
398 |
case JDWP_TAG(SHORT):
|
|
|
399 |
(void)outStream_writeShort(out,
|
|
|
400 |
JNI_FUNC_PTR(env,GetShortField)(env, object, field));
|
|
|
401 |
break;
|
|
|
402 |
|
|
|
403 |
case JDWP_TAG(BOOLEAN):
|
|
|
404 |
(void)outStream_writeBoolean(out,
|
|
|
405 |
JNI_FUNC_PTR(env,GetBooleanField)(env, object, field));
|
|
|
406 |
break;
|
|
|
407 |
}
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
static void
|
|
|
411 |
writeStaticFieldValue(JNIEnv *env, PacketOutputStream *out, jclass clazz,
|
|
|
412 |
jfieldID field)
|
|
|
413 |
{
|
|
|
414 |
jvmtiError error;
|
|
|
415 |
char *signature = NULL;
|
|
|
416 |
jbyte typeKey;
|
|
|
417 |
|
|
|
418 |
error = fieldSignature(clazz, field, NULL, &signature, NULL);
|
|
|
419 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
420 |
outStream_setError(out, map2jdwpError(error));
|
|
|
421 |
return;
|
|
|
422 |
}
|
|
|
423 |
typeKey = signature[0];
|
|
|
424 |
jvmtiDeallocate(signature);
|
|
|
425 |
|
|
|
426 |
/*
|
|
|
427 |
* For primitive types, the type key is bounced back as is. Objects
|
|
|
428 |
* are handled in the switch statement below.
|
|
|
429 |
*/
|
|
|
430 |
if ((typeKey != JDWP_TAG(OBJECT)) && (typeKey != JDWP_TAG(ARRAY))) {
|
|
|
431 |
(void)outStream_writeByte(out, typeKey);
|
|
|
432 |
}
|
|
|
433 |
|
|
|
434 |
switch (typeKey) {
|
|
|
435 |
case JDWP_TAG(OBJECT):
|
|
|
436 |
case JDWP_TAG(ARRAY): {
|
|
|
437 |
jobject value = JNI_FUNC_PTR(env,GetStaticObjectField)(env, clazz, field);
|
|
|
438 |
(void)outStream_writeByte(out, specificTypeKey(env, value));
|
|
|
439 |
(void)outStream_writeObjectRef(env, out, value);
|
|
|
440 |
break;
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
case JDWP_TAG(BYTE):
|
|
|
444 |
(void)outStream_writeByte(out,
|
|
|
445 |
JNI_FUNC_PTR(env,GetStaticByteField)(env, clazz, field));
|
|
|
446 |
break;
|
|
|
447 |
|
|
|
448 |
case JDWP_TAG(CHAR):
|
|
|
449 |
(void)outStream_writeChar(out,
|
|
|
450 |
JNI_FUNC_PTR(env,GetStaticCharField)(env, clazz, field));
|
|
|
451 |
break;
|
|
|
452 |
|
|
|
453 |
case JDWP_TAG(FLOAT):
|
|
|
454 |
(void)outStream_writeFloat(out,
|
|
|
455 |
JNI_FUNC_PTR(env,GetStaticFloatField)(env, clazz, field));
|
|
|
456 |
break;
|
|
|
457 |
|
|
|
458 |
case JDWP_TAG(DOUBLE):
|
|
|
459 |
(void)outStream_writeDouble(out,
|
|
|
460 |
JNI_FUNC_PTR(env,GetStaticDoubleField)(env, clazz, field));
|
|
|
461 |
break;
|
|
|
462 |
|
|
|
463 |
case JDWP_TAG(INT):
|
|
|
464 |
(void)outStream_writeInt(out,
|
|
|
465 |
JNI_FUNC_PTR(env,GetStaticIntField)(env, clazz, field));
|
|
|
466 |
break;
|
|
|
467 |
|
|
|
468 |
case JDWP_TAG(LONG):
|
|
|
469 |
(void)outStream_writeLong(out,
|
|
|
470 |
JNI_FUNC_PTR(env,GetStaticLongField)(env, clazz, field));
|
|
|
471 |
break;
|
|
|
472 |
|
|
|
473 |
case JDWP_TAG(SHORT):
|
|
|
474 |
(void)outStream_writeShort(out,
|
|
|
475 |
JNI_FUNC_PTR(env,GetStaticShortField)(env, clazz, field));
|
|
|
476 |
break;
|
|
|
477 |
|
|
|
478 |
case JDWP_TAG(BOOLEAN):
|
|
|
479 |
(void)outStream_writeBoolean(out,
|
|
|
480 |
JNI_FUNC_PTR(env,GetStaticBooleanField)(env, clazz, field));
|
|
|
481 |
break;
|
|
|
482 |
}
|
|
|
483 |
}
|
|
|
484 |
|
|
|
485 |
void
|
|
|
486 |
sharedGetFieldValues(PacketInputStream *in, PacketOutputStream *out,
|
|
|
487 |
jboolean isStatic)
|
|
|
488 |
{
|
|
|
489 |
JNIEnv *env = getEnv();
|
|
|
490 |
jint length;
|
|
|
491 |
jobject object;
|
|
|
492 |
jclass clazz;
|
|
|
493 |
|
|
|
494 |
object = NULL;
|
|
|
495 |
clazz = NULL;
|
|
|
496 |
|
|
|
497 |
if (isStatic) {
|
|
|
498 |
clazz = inStream_readClassRef(env, in);
|
|
|
499 |
} else {
|
|
|
500 |
object = inStream_readObjectRef(env, in);
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
length = inStream_readInt(in);
|
|
|
504 |
if (inStream_error(in)) {
|
|
|
505 |
return;
|
|
|
506 |
}
|
|
|
507 |
|
|
|
508 |
WITH_LOCAL_REFS(env, length + 1) { /* +1 for class with instance fields */
|
|
|
509 |
|
|
|
510 |
int i;
|
|
|
511 |
|
|
|
512 |
(void)outStream_writeInt(out, length);
|
|
|
513 |
for (i = 0; (i < length) && !outStream_error(out); i++) {
|
|
|
514 |
jfieldID field = inStream_readFieldID(in);
|
|
|
515 |
|
|
|
516 |
if (isStatic) {
|
|
|
517 |
writeStaticFieldValue(env, out, clazz, field);
|
|
|
518 |
} else {
|
|
|
519 |
writeFieldValue(env, out, object, field);
|
|
|
520 |
}
|
|
|
521 |
}
|
|
|
522 |
|
|
|
523 |
} END_WITH_LOCAL_REFS(env);
|
|
|
524 |
}
|
|
|
525 |
|
|
|
526 |
jboolean
|
|
|
527 |
sharedInvoke(PacketInputStream *in, PacketOutputStream *out)
|
|
|
528 |
{
|
|
|
529 |
jvalue *arguments = NULL;
|
|
|
530 |
jint options;
|
|
|
531 |
jvmtiError error;
|
|
|
532 |
jbyte invokeType;
|
|
|
533 |
jclass clazz;
|
|
|
534 |
jmethodID method;
|
|
|
535 |
jint argumentCount;
|
|
|
536 |
jobject instance;
|
|
|
537 |
jthread thread;
|
|
|
538 |
JNIEnv *env;
|
|
|
539 |
|
|
|
540 |
/*
|
|
|
541 |
* Instance methods start with the instance, thread and class,
|
|
|
542 |
* and statics and constructors start with the class and then the
|
|
|
543 |
* thread.
|
|
|
544 |
*/
|
|
|
545 |
env = getEnv();
|
|
|
546 |
if (inStream_command(in) == JDWP_COMMAND(ObjectReference, InvokeMethod)) {
|
|
|
547 |
instance = inStream_readObjectRef(env, in);
|
|
|
548 |
thread = inStream_readThreadRef(env, in);
|
|
|
549 |
clazz = inStream_readClassRef(env, in);
|
|
|
550 |
} else { /* static method or constructor */
|
|
|
551 |
instance = NULL;
|
|
|
552 |
clazz = inStream_readClassRef(env, in);
|
|
|
553 |
thread = inStream_readThreadRef(env, in);
|
|
|
554 |
}
|
|
|
555 |
|
|
|
556 |
/*
|
|
|
557 |
* ... and the rest of the packet is identical for all commands
|
|
|
558 |
*/
|
|
|
559 |
method = inStream_readMethodID(in);
|
|
|
560 |
argumentCount = inStream_readInt(in);
|
|
|
561 |
if (inStream_error(in)) {
|
|
|
562 |
return JNI_TRUE;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
/* If count == 0, don't try and allocate 0 bytes, you'll get NULL */
|
|
|
566 |
if ( argumentCount > 0 ) {
|
|
|
567 |
int i;
|
|
|
568 |
/*LINTED*/
|
|
|
569 |
arguments = jvmtiAllocate(argumentCount * (jint)sizeof(*arguments));
|
|
|
570 |
if (arguments == NULL) {
|
|
|
571 |
outStream_setError(out, JDWP_ERROR(OUT_OF_MEMORY));
|
|
|
572 |
return JNI_TRUE;
|
|
|
573 |
}
|
|
|
574 |
for (i = 0; (i < argumentCount) && !inStream_error(in); i++) {
|
|
|
575 |
arguments[i] = inStream_readValue(in, NULL);
|
|
|
576 |
}
|
|
|
577 |
if (inStream_error(in)) {
|
|
|
578 |
return JNI_TRUE;
|
|
|
579 |
}
|
|
|
580 |
}
|
|
|
581 |
|
|
|
582 |
options = inStream_readInt(in);
|
|
|
583 |
if (inStream_error(in)) {
|
|
|
584 |
if ( arguments != NULL ) {
|
|
|
585 |
jvmtiDeallocate(arguments);
|
|
|
586 |
}
|
|
|
587 |
return JNI_TRUE;
|
|
|
588 |
}
|
|
|
589 |
|
|
|
590 |
if (inStream_command(in) == JDWP_COMMAND(ClassType, NewInstance)) {
|
|
|
591 |
invokeType = INVOKE_CONSTRUCTOR;
|
|
|
592 |
} else if (inStream_command(in) == JDWP_COMMAND(ClassType, InvokeMethod)) {
|
|
|
593 |
invokeType = INVOKE_STATIC;
|
|
|
594 |
} else if (inStream_command(in) == JDWP_COMMAND(ObjectReference, InvokeMethod)) {
|
|
|
595 |
invokeType = INVOKE_INSTANCE;
|
|
|
596 |
} else {
|
|
|
597 |
outStream_setError(out, JDWP_ERROR(INTERNAL));
|
|
|
598 |
if ( arguments != NULL ) {
|
|
|
599 |
jvmtiDeallocate(arguments);
|
|
|
600 |
}
|
|
|
601 |
return JNI_TRUE;
|
|
|
602 |
}
|
|
|
603 |
|
|
|
604 |
/*
|
|
|
605 |
* Request the invoke. If there are no errors in the request,
|
|
|
606 |
* the interrupting thread will actually do the invoke and a
|
|
|
607 |
* reply will be generated subsequently, so we don't reply here.
|
|
|
608 |
*/
|
|
|
609 |
error = invoker_requestInvoke(invokeType, (jbyte)options, inStream_id(in),
|
|
|
610 |
thread, clazz, method,
|
|
|
611 |
instance, arguments, argumentCount);
|
|
|
612 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
613 |
outStream_setError(out, map2jdwpError(error));
|
|
|
614 |
if ( arguments != NULL ) {
|
|
|
615 |
jvmtiDeallocate(arguments);
|
|
|
616 |
}
|
|
|
617 |
return JNI_TRUE;
|
|
|
618 |
}
|
|
|
619 |
|
|
|
620 |
return JNI_FALSE; /* Don't reply */
|
|
|
621 |
}
|
|
|
622 |
|
|
|
623 |
jint
|
|
|
624 |
uniqueID(void)
|
|
|
625 |
{
|
|
|
626 |
static jint currentID = 0;
|
|
|
627 |
return currentID++;
|
|
|
628 |
}
|
|
|
629 |
|
|
|
630 |
int
|
|
|
631 |
filterDebugThreads(jthread *threads, int count)
|
|
|
632 |
{
|
|
|
633 |
int i;
|
|
|
634 |
int current;
|
|
|
635 |
|
|
|
636 |
/* Squish out all of the debugger-spawned threads */
|
|
|
637 |
for (i = 0, current = 0; i < count; i++) {
|
|
|
638 |
jthread thread = threads[i];
|
|
|
639 |
if (!threadControl_isDebugThread(thread)) {
|
|
|
640 |
if (i > current) {
|
|
|
641 |
threads[current] = thread;
|
|
|
642 |
}
|
|
|
643 |
current++;
|
|
|
644 |
}
|
|
|
645 |
}
|
|
|
646 |
return current;
|
|
|
647 |
}
|
|
|
648 |
|
|
|
649 |
jbyte
|
|
|
650 |
referenceTypeTag(jclass clazz)
|
|
|
651 |
{
|
|
|
652 |
jbyte tag;
|
|
|
653 |
|
|
|
654 |
if (isInterface(clazz)) {
|
|
|
655 |
tag = JDWP_TYPE_TAG(INTERFACE);
|
|
|
656 |
} else if (isArrayClass(clazz)) {
|
|
|
657 |
tag = JDWP_TYPE_TAG(ARRAY);
|
|
|
658 |
} else {
|
|
|
659 |
tag = JDWP_TYPE_TAG(CLASS);
|
|
|
660 |
}
|
|
|
661 |
|
|
|
662 |
return tag;
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
/**
|
|
|
666 |
* Get field modifiers
|
|
|
667 |
*/
|
|
|
668 |
jvmtiError
|
|
|
669 |
fieldModifiers(jclass clazz, jfieldID field, jint *pmodifiers)
|
|
|
670 |
{
|
|
|
671 |
jvmtiError error;
|
|
|
672 |
|
|
|
673 |
*pmodifiers = 0;
|
|
|
674 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetFieldModifiers)
|
|
|
675 |
(gdata->jvmti, clazz, field, pmodifiers);
|
|
|
676 |
return error;
|
|
|
677 |
}
|
|
|
678 |
|
|
|
679 |
/**
|
|
|
680 |
* Get method modifiers
|
|
|
681 |
*/
|
|
|
682 |
jvmtiError
|
|
|
683 |
methodModifiers(jmethodID method, jint *pmodifiers)
|
|
|
684 |
{
|
|
|
685 |
jvmtiError error;
|
|
|
686 |
|
|
|
687 |
*pmodifiers = 0;
|
|
|
688 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetMethodModifiers)
|
|
|
689 |
(gdata->jvmti, method, pmodifiers);
|
|
|
690 |
return error;
|
|
|
691 |
}
|
|
|
692 |
|
|
|
693 |
/* Returns a local ref to the declaring class for a method, or NULL. */
|
|
|
694 |
jvmtiError
|
|
|
695 |
methodClass(jmethodID method, jclass *pclazz)
|
|
|
696 |
{
|
|
|
697 |
jvmtiError error;
|
|
|
698 |
|
|
|
699 |
*pclazz = NULL;
|
|
|
700 |
error = FUNC_PTR(gdata->jvmti,GetMethodDeclaringClass)
|
|
|
701 |
(gdata->jvmti, method, pclazz);
|
|
|
702 |
return error;
|
|
|
703 |
}
|
|
|
704 |
|
|
|
705 |
/* Returns a local ref to the declaring class for a method, or NULL. */
|
|
|
706 |
jvmtiError
|
|
|
707 |
methodLocation(jmethodID method, jlocation *ploc1, jlocation *ploc2)
|
|
|
708 |
{
|
|
|
709 |
jvmtiError error;
|
|
|
710 |
|
|
|
711 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetMethodLocation)
|
|
|
712 |
(gdata->jvmti, method, ploc1, ploc2);
|
|
|
713 |
return error;
|
|
|
714 |
}
|
|
|
715 |
|
|
|
716 |
/**
|
|
|
717 |
* Get method signature
|
|
|
718 |
*/
|
|
|
719 |
jvmtiError
|
|
|
720 |
methodSignature(jmethodID method,
|
|
|
721 |
char **pname, char **psignature, char **pgeneric_signature)
|
|
|
722 |
{
|
|
|
723 |
jvmtiError error;
|
|
|
724 |
char *name = NULL;
|
|
|
725 |
char *signature = NULL;
|
|
|
726 |
char *generic_signature = NULL;
|
|
|
727 |
|
|
|
728 |
error = FUNC_PTR(gdata->jvmti,GetMethodName)
|
|
|
729 |
(gdata->jvmti, method, &name, &signature, &generic_signature);
|
|
|
730 |
|
|
|
731 |
if ( pname != NULL ) {
|
|
|
732 |
*pname = name;
|
|
|
733 |
} else if ( name != NULL ) {
|
|
|
734 |
jvmtiDeallocate(name);
|
|
|
735 |
}
|
|
|
736 |
if ( psignature != NULL ) {
|
|
|
737 |
*psignature = signature;
|
|
|
738 |
} else if ( signature != NULL ) {
|
|
|
739 |
jvmtiDeallocate(signature);
|
|
|
740 |
}
|
|
|
741 |
if ( pgeneric_signature != NULL ) {
|
|
|
742 |
*pgeneric_signature = generic_signature;
|
|
|
743 |
} else if ( generic_signature != NULL ) {
|
|
|
744 |
jvmtiDeallocate(generic_signature);
|
|
|
745 |
}
|
|
|
746 |
return error;
|
|
|
747 |
}
|
|
|
748 |
|
|
|
749 |
/*
|
|
|
750 |
* Get the return type key of the method
|
|
|
751 |
* V or B C D F I J S Z L [
|
|
|
752 |
*/
|
|
|
753 |
jvmtiError
|
|
|
754 |
methodReturnType(jmethodID method, char *typeKey)
|
|
|
755 |
{
|
|
|
756 |
char *signature;
|
|
|
757 |
jvmtiError error;
|
|
|
758 |
|
|
|
759 |
signature = NULL;
|
|
|
760 |
error = methodSignature(method, NULL, &signature, NULL);
|
|
|
761 |
if (error == JVMTI_ERROR_NONE) {
|
|
|
762 |
if (signature == NULL ) {
|
|
|
763 |
error = AGENT_ERROR_INVALID_TAG;
|
|
|
764 |
} else {
|
|
|
765 |
char * xx;
|
|
|
766 |
|
|
|
767 |
xx = strchr(signature, ')');
|
|
|
768 |
if (xx == NULL || *(xx + 1) == 0) {
|
|
|
769 |
error = AGENT_ERROR_INVALID_TAG;
|
|
|
770 |
} else {
|
|
|
771 |
*typeKey = *(xx + 1);
|
|
|
772 |
}
|
|
|
773 |
jvmtiDeallocate(signature);
|
|
|
774 |
}
|
|
|
775 |
}
|
|
|
776 |
return error;
|
|
|
777 |
}
|
|
|
778 |
|
|
|
779 |
|
|
|
780 |
/**
|
|
|
781 |
* Return class loader for a class (must be inside a WITH_LOCAL_REFS)
|
|
|
782 |
*/
|
|
|
783 |
jvmtiError
|
|
|
784 |
classLoader(jclass clazz, jobject *pclazz)
|
|
|
785 |
{
|
|
|
786 |
jvmtiError error;
|
|
|
787 |
|
|
|
788 |
*pclazz = NULL;
|
|
|
789 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassLoader)
|
|
|
790 |
(gdata->jvmti, clazz, pclazz);
|
|
|
791 |
return error;
|
|
|
792 |
}
|
|
|
793 |
|
|
|
794 |
/**
|
|
|
795 |
* Get field signature
|
|
|
796 |
*/
|
|
|
797 |
jvmtiError
|
|
|
798 |
fieldSignature(jclass clazz, jfieldID field,
|
|
|
799 |
char **pname, char **psignature, char **pgeneric_signature)
|
|
|
800 |
{
|
|
|
801 |
jvmtiError error;
|
|
|
802 |
char *name = NULL;
|
|
|
803 |
char *signature = NULL;
|
|
|
804 |
char *generic_signature = NULL;
|
|
|
805 |
|
|
|
806 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetFieldName)
|
|
|
807 |
(gdata->jvmti, clazz, field, &name, &signature, &generic_signature);
|
|
|
808 |
|
|
|
809 |
if ( pname != NULL ) {
|
|
|
810 |
*pname = name;
|
|
|
811 |
} else if ( name != NULL ) {
|
|
|
812 |
jvmtiDeallocate(name);
|
|
|
813 |
}
|
|
|
814 |
if ( psignature != NULL ) {
|
|
|
815 |
*psignature = signature;
|
|
|
816 |
} else if ( signature != NULL ) {
|
|
|
817 |
jvmtiDeallocate(signature);
|
|
|
818 |
}
|
|
|
819 |
if ( pgeneric_signature != NULL ) {
|
|
|
820 |
*pgeneric_signature = generic_signature;
|
|
|
821 |
} else if ( generic_signature != NULL ) {
|
|
|
822 |
jvmtiDeallocate(generic_signature);
|
|
|
823 |
}
|
|
|
824 |
return error;
|
|
|
825 |
}
|
|
|
826 |
|
|
|
827 |
JNIEnv *
|
|
|
828 |
getEnv(void)
|
|
|
829 |
{
|
|
|
830 |
JNIEnv *env = NULL;
|
|
|
831 |
jint rc;
|
|
|
832 |
|
|
|
833 |
rc = FUNC_PTR(gdata->jvm,GetEnv)
|
|
|
834 |
(gdata->jvm, (void **)&env, JNI_VERSION_1_2);
|
|
|
835 |
if (rc != JNI_OK) {
|
|
|
836 |
ERROR_MESSAGE(("JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = %d",
|
|
|
837 |
rc));
|
|
|
838 |
EXIT_ERROR(AGENT_ERROR_NO_JNI_ENV,NULL);
|
|
|
839 |
}
|
|
|
840 |
return env;
|
|
|
841 |
}
|
|
|
842 |
|
|
|
843 |
jvmtiError
|
|
|
844 |
spawnNewThread(jvmtiStartFunction func, void *arg, char *name)
|
|
|
845 |
{
|
|
|
846 |
JNIEnv *env = getEnv();
|
|
|
847 |
jvmtiError error;
|
|
|
848 |
|
|
|
849 |
LOG_MISC(("Spawning new thread: %s", name));
|
|
|
850 |
|
|
|
851 |
WITH_LOCAL_REFS(env, 3) {
|
|
|
852 |
|
|
|
853 |
jthread thread;
|
|
|
854 |
jstring nameString;
|
|
|
855 |
|
|
|
856 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, name);
|
|
|
857 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
858 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
859 |
error = AGENT_ERROR_OUT_OF_MEMORY;
|
|
|
860 |
goto err;
|
|
|
861 |
}
|
|
|
862 |
|
|
|
863 |
thread = JNI_FUNC_PTR(env,NewObject)
|
|
|
864 |
(env, gdata->threadClass, gdata->threadConstructor,
|
|
|
865 |
gdata->systemThreadGroup, nameString);
|
|
|
866 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
867 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
868 |
error = AGENT_ERROR_OUT_OF_MEMORY;
|
|
|
869 |
goto err;
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
/*
|
|
|
873 |
* Make the debugger thread a daemon
|
|
|
874 |
*/
|
|
|
875 |
JNI_FUNC_PTR(env,CallVoidMethod)
|
|
|
876 |
(env, thread, gdata->threadSetDaemon, JNI_TRUE);
|
|
|
877 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
878 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
879 |
error = AGENT_ERROR_JNI_EXCEPTION;
|
|
|
880 |
goto err;
|
|
|
881 |
}
|
|
|
882 |
|
|
|
883 |
error = threadControl_addDebugThread(thread);
|
|
|
884 |
if (error == JVMTI_ERROR_NONE) {
|
|
|
885 |
/*
|
|
|
886 |
* Debugger threads need cycles in all sorts of strange
|
|
|
887 |
* situations (e.g. infinite cpu-bound loops), so give the
|
|
|
888 |
* thread a high priority. Note that if the VM has an application
|
|
|
889 |
* thread running at the max priority, there is still a chance
|
|
|
890 |
* that debugger threads will be starved. (There needs to be
|
|
|
891 |
* a way to give debugger threads a priority higher than any
|
|
|
892 |
* application thread).
|
|
|
893 |
*/
|
|
|
894 |
error = JVMTI_FUNC_PTR(gdata->jvmti,RunAgentThread)
|
|
|
895 |
(gdata->jvmti, thread, func, arg,
|
|
|
896 |
JVMTI_THREAD_MAX_PRIORITY);
|
|
|
897 |
}
|
|
|
898 |
|
|
|
899 |
err: ;
|
|
|
900 |
|
|
|
901 |
} END_WITH_LOCAL_REFS(env);
|
|
|
902 |
|
|
|
903 |
return error;
|
|
|
904 |
}
|
|
|
905 |
|
|
|
906 |
jvmtiError
|
|
|
907 |
jvmtiGetCapabilities(jvmtiCapabilities *caps)
|
|
|
908 |
{
|
|
|
909 |
if ( gdata->vmDead ) {
|
|
|
910 |
return AGENT_ERROR_VM_DEAD;
|
|
|
911 |
}
|
|
|
912 |
if (!gdata->haveCachedJvmtiCapabilities) {
|
|
|
913 |
jvmtiError error;
|
|
|
914 |
|
|
|
915 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetCapabilities)
|
|
|
916 |
(gdata->jvmti, &(gdata->cachedJvmtiCapabilities));
|
|
|
917 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
918 |
return error;
|
|
|
919 |
}
|
|
|
920 |
gdata->haveCachedJvmtiCapabilities = JNI_TRUE;
|
|
|
921 |
}
|
|
|
922 |
|
|
|
923 |
*caps = gdata->cachedJvmtiCapabilities;
|
|
|
924 |
|
|
|
925 |
return JVMTI_ERROR_NONE;
|
|
|
926 |
}
|
|
|
927 |
|
|
|
928 |
static jint
|
|
|
929 |
jvmtiVersion(void)
|
|
|
930 |
{
|
|
|
931 |
if (gdata->cachedJvmtiVersion == 0) {
|
|
|
932 |
jvmtiError error;
|
|
|
933 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetVersionNumber)
|
|
|
934 |
(gdata->jvmti, &(gdata->cachedJvmtiVersion));
|
|
|
935 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
936 |
EXIT_ERROR(error, "on getting the JVMTI version number");
|
|
|
937 |
}
|
|
|
938 |
}
|
|
|
939 |
return gdata->cachedJvmtiVersion;
|
|
|
940 |
}
|
|
|
941 |
|
|
|
942 |
jint
|
|
|
943 |
jvmtiMajorVersion(void)
|
|
|
944 |
{
|
|
|
945 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MAJOR)
|
|
|
946 |
>> JVMTI_VERSION_SHIFT_MAJOR;
|
|
|
947 |
}
|
|
|
948 |
|
|
|
949 |
jint
|
|
|
950 |
jvmtiMinorVersion(void)
|
|
|
951 |
{
|
|
|
952 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MINOR)
|
|
|
953 |
>> JVMTI_VERSION_SHIFT_MINOR;
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
jint
|
|
|
957 |
jvmtiMicroVersion(void)
|
|
|
958 |
{
|
|
|
959 |
return (jvmtiVersion() & JVMTI_VERSION_MASK_MICRO)
|
|
|
960 |
>> JVMTI_VERSION_SHIFT_MICRO;
|
|
|
961 |
}
|
|
|
962 |
|
|
|
963 |
jboolean
|
|
|
964 |
canSuspendResumeThreadLists(void)
|
|
|
965 |
{
|
|
|
966 |
jvmtiError error;
|
|
|
967 |
jvmtiCapabilities cap;
|
|
|
968 |
|
|
|
969 |
error = jvmtiGetCapabilities(&cap);
|
|
|
970 |
return (error == JVMTI_ERROR_NONE && cap.can_suspend);
|
|
|
971 |
}
|
|
|
972 |
|
|
|
973 |
jvmtiError
|
|
|
974 |
getSourceDebugExtension(jclass clazz, char **extensionPtr)
|
|
|
975 |
{
|
|
|
976 |
return JVMTI_FUNC_PTR(gdata->jvmti,GetSourceDebugExtension)
|
|
|
977 |
(gdata->jvmti, clazz, extensionPtr);
|
|
|
978 |
}
|
|
|
979 |
|
|
|
980 |
/*
|
|
|
981 |
* Convert the signature "Ljava/lang/Foo;" to a
|
|
|
982 |
* classname "java.lang.Foo" compatible with the pattern.
|
|
|
983 |
* Signature is overwritten in-place.
|
|
|
984 |
*/
|
|
|
985 |
void
|
|
|
986 |
convertSignatureToClassname(char *convert)
|
|
|
987 |
{
|
|
|
988 |
char *p;
|
|
|
989 |
|
|
|
990 |
p = convert + 1;
|
|
|
991 |
while ((*p != ';') && (*p != '\0')) {
|
|
|
992 |
char c = *p;
|
|
|
993 |
if (c == '/') {
|
|
|
994 |
*(p-1) = '.';
|
|
|
995 |
} else {
|
|
|
996 |
*(p-1) = c;
|
|
|
997 |
}
|
|
|
998 |
p++;
|
|
|
999 |
}
|
|
|
1000 |
*(p-1) = '\0';
|
|
|
1001 |
}
|
|
|
1002 |
|
|
|
1003 |
static void
|
|
|
1004 |
handleInterrupt(void)
|
|
|
1005 |
{
|
|
|
1006 |
/*
|
|
|
1007 |
* An interrupt is handled:
|
|
|
1008 |
*
|
|
|
1009 |
* 1) for running application threads by deferring the interrupt
|
|
|
1010 |
* until the current event handler has concluded.
|
|
|
1011 |
*
|
|
|
1012 |
* 2) for debugger threads by ignoring the interrupt; this is the
|
|
|
1013 |
* most robust solution since debugger threads don't use interrupts
|
|
|
1014 |
* to signal any condition.
|
|
|
1015 |
*
|
|
|
1016 |
* 3) for application threads that have not started or already
|
|
|
1017 |
* ended by ignoring the interrupt. In the former case, the application
|
|
|
1018 |
* is relying on timing to determine whether or not the thread sees
|
|
|
1019 |
* the interrupt; in the latter case, the interrupt is meaningless.
|
|
|
1020 |
*/
|
|
|
1021 |
jthread thread = threadControl_currentThread();
|
|
|
1022 |
if ((thread != NULL) && (!threadControl_isDebugThread(thread))) {
|
|
|
1023 |
threadControl_setPendingInterrupt(thread);
|
|
|
1024 |
}
|
|
|
1025 |
}
|
|
|
1026 |
|
|
|
1027 |
static jvmtiError
|
|
|
1028 |
ignore_vm_death(jvmtiError error)
|
|
|
1029 |
{
|
|
|
1030 |
if (error == JVMTI_ERROR_WRONG_PHASE) {
|
|
|
1031 |
LOG_MISC(("VM_DEAD, in debugMonitor*()?"));
|
|
|
1032 |
return JVMTI_ERROR_NONE; /* JVMTI does this, not JVMDI? */
|
|
|
1033 |
}
|
|
|
1034 |
return error;
|
|
|
1035 |
}
|
|
|
1036 |
|
|
|
1037 |
void
|
|
|
1038 |
debugMonitorEnter(jrawMonitorID monitor)
|
|
|
1039 |
{
|
|
|
1040 |
jvmtiError error;
|
|
|
1041 |
while (JNI_TRUE) {
|
|
|
1042 |
error = FUNC_PTR(gdata->jvmti,RawMonitorEnter)
|
|
|
1043 |
(gdata->jvmti, monitor);
|
|
|
1044 |
error = ignore_vm_death(error);
|
|
|
1045 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
|
1046 |
handleInterrupt();
|
|
|
1047 |
} else {
|
|
|
1048 |
break;
|
|
|
1049 |
}
|
|
|
1050 |
}
|
|
|
1051 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1052 |
EXIT_ERROR(error, "on raw monitor enter");
|
|
|
1053 |
}
|
|
|
1054 |
}
|
|
|
1055 |
|
|
|
1056 |
void
|
|
|
1057 |
debugMonitorExit(jrawMonitorID monitor)
|
|
|
1058 |
{
|
|
|
1059 |
jvmtiError error;
|
|
|
1060 |
|
|
|
1061 |
error = FUNC_PTR(gdata->jvmti,RawMonitorExit)
|
|
|
1062 |
(gdata->jvmti, monitor);
|
|
|
1063 |
error = ignore_vm_death(error);
|
|
|
1064 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1065 |
EXIT_ERROR(error, "on raw monitor exit");
|
|
|
1066 |
}
|
|
|
1067 |
}
|
|
|
1068 |
|
|
|
1069 |
void
|
|
|
1070 |
debugMonitorWait(jrawMonitorID monitor)
|
|
|
1071 |
{
|
|
|
1072 |
jvmtiError error;
|
|
|
1073 |
error = FUNC_PTR(gdata->jvmti,RawMonitorWait)
|
|
|
1074 |
(gdata->jvmti, monitor, ((jlong)(-1)));
|
|
|
1075 |
|
|
|
1076 |
/*
|
|
|
1077 |
* According to the JLS (17.8), here we have
|
|
|
1078 |
* either :
|
|
|
1079 |
* a- been notified
|
|
|
1080 |
* b- gotten a suprious wakeup
|
|
|
1081 |
* c- been interrupted
|
|
|
1082 |
* If both a and c have happened, the VM must choose
|
|
|
1083 |
* which way to return - a or c. If it chooses c
|
|
|
1084 |
* then the notify is gone - either to some other
|
|
|
1085 |
* thread that is also waiting, or it is dropped
|
|
|
1086 |
* on the floor.
|
|
|
1087 |
*
|
|
|
1088 |
* a is what we expect. b won't hurt us any -
|
|
|
1089 |
* callers should be programmed to handle
|
|
|
1090 |
* spurious wakeups. In case of c,
|
|
|
1091 |
* then the interrupt has been cleared, but
|
|
|
1092 |
* we don't want to consume it. It came from
|
|
|
1093 |
* user code and is intended for user code, not us.
|
|
|
1094 |
* So, we will remember that the interrupt has
|
|
|
1095 |
* occured and re-activate it when this thread
|
|
|
1096 |
* goes back into user code.
|
|
|
1097 |
* That being said, what do we do here? Since
|
|
|
1098 |
* we could have been notified too, here we will
|
|
|
1099 |
* just pretend that we have been. It won't hurt
|
|
|
1100 |
* anything to return in the same way as if
|
|
|
1101 |
* we were notified since callers have to be able to
|
|
|
1102 |
* handle spurious wakeups anyway.
|
|
|
1103 |
*/
|
|
|
1104 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
|
1105 |
handleInterrupt();
|
|
|
1106 |
error = JVMTI_ERROR_NONE;
|
|
|
1107 |
}
|
|
|
1108 |
error = ignore_vm_death(error);
|
|
|
1109 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1110 |
EXIT_ERROR(error, "on raw monitor wait");
|
|
|
1111 |
}
|
|
|
1112 |
}
|
|
|
1113 |
|
|
|
1114 |
void
|
|
|
1115 |
debugMonitorTimedWait(jrawMonitorID monitor, jlong millis)
|
|
|
1116 |
{
|
|
|
1117 |
jvmtiError error;
|
|
|
1118 |
error = FUNC_PTR(gdata->jvmti,RawMonitorWait)
|
|
|
1119 |
(gdata->jvmti, monitor, millis);
|
|
|
1120 |
if (error == JVMTI_ERROR_INTERRUPT) {
|
|
|
1121 |
/* See comment above */
|
|
|
1122 |
handleInterrupt();
|
|
|
1123 |
error = JVMTI_ERROR_NONE;
|
|
|
1124 |
}
|
|
|
1125 |
error = ignore_vm_death(error);
|
|
|
1126 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1127 |
EXIT_ERROR(error, "on raw monitor timed wait");
|
|
|
1128 |
}
|
|
|
1129 |
}
|
|
|
1130 |
|
|
|
1131 |
void
|
|
|
1132 |
debugMonitorNotify(jrawMonitorID monitor)
|
|
|
1133 |
{
|
|
|
1134 |
jvmtiError error;
|
|
|
1135 |
|
|
|
1136 |
error = FUNC_PTR(gdata->jvmti,RawMonitorNotify)
|
|
|
1137 |
(gdata->jvmti, monitor);
|
|
|
1138 |
error = ignore_vm_death(error);
|
|
|
1139 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1140 |
EXIT_ERROR(error, "on raw monitor notify");
|
|
|
1141 |
}
|
|
|
1142 |
}
|
|
|
1143 |
|
|
|
1144 |
void
|
|
|
1145 |
debugMonitorNotifyAll(jrawMonitorID monitor)
|
|
|
1146 |
{
|
|
|
1147 |
jvmtiError error;
|
|
|
1148 |
|
|
|
1149 |
error = FUNC_PTR(gdata->jvmti,RawMonitorNotifyAll)
|
|
|
1150 |
(gdata->jvmti, monitor);
|
|
|
1151 |
error = ignore_vm_death(error);
|
|
|
1152 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1153 |
EXIT_ERROR(error, "on raw monitor notify all");
|
|
|
1154 |
}
|
|
|
1155 |
}
|
|
|
1156 |
|
|
|
1157 |
jrawMonitorID
|
|
|
1158 |
debugMonitorCreate(char *name)
|
|
|
1159 |
{
|
|
|
1160 |
jrawMonitorID monitor;
|
|
|
1161 |
jvmtiError error;
|
|
|
1162 |
|
|
|
1163 |
error = FUNC_PTR(gdata->jvmti,CreateRawMonitor)
|
|
|
1164 |
(gdata->jvmti, name, &monitor);
|
|
|
1165 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1166 |
EXIT_ERROR(error, "on creation of a raw monitor");
|
|
|
1167 |
}
|
|
|
1168 |
return monitor;
|
|
|
1169 |
}
|
|
|
1170 |
|
|
|
1171 |
void
|
|
|
1172 |
debugMonitorDestroy(jrawMonitorID monitor)
|
|
|
1173 |
{
|
|
|
1174 |
jvmtiError error;
|
|
|
1175 |
|
|
|
1176 |
error = FUNC_PTR(gdata->jvmti,DestroyRawMonitor)
|
|
|
1177 |
(gdata->jvmti, monitor);
|
|
|
1178 |
error = ignore_vm_death(error);
|
|
|
1179 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1180 |
EXIT_ERROR(error, "on destruction of raw monitor");
|
|
|
1181 |
}
|
|
|
1182 |
}
|
|
|
1183 |
|
|
|
1184 |
/**
|
|
|
1185 |
* Return array of all threads (must be inside a WITH_LOCAL_REFS)
|
|
|
1186 |
*/
|
|
|
1187 |
jthread *
|
|
|
1188 |
allThreads(jint *count)
|
|
|
1189 |
{
|
|
|
1190 |
jthread *threads;
|
|
|
1191 |
jvmtiError error;
|
|
|
1192 |
|
|
|
1193 |
*count = 0;
|
|
|
1194 |
threads = NULL;
|
|
|
1195 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetAllThreads)
|
|
|
1196 |
(gdata->jvmti, count, &threads);
|
|
|
1197 |
if (error == AGENT_ERROR_OUT_OF_MEMORY) {
|
|
|
1198 |
return NULL; /* Let caller deal with no memory? */
|
|
|
1199 |
}
|
|
|
1200 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1201 |
EXIT_ERROR(error, "getting all threads");
|
|
|
1202 |
}
|
|
|
1203 |
return threads;
|
|
|
1204 |
}
|
|
|
1205 |
|
|
|
1206 |
/**
|
|
|
1207 |
* Fill the passed in structure with thread group info.
|
|
|
1208 |
* name field is JVMTI allocated. parent is global ref.
|
|
|
1209 |
*/
|
|
|
1210 |
void
|
|
|
1211 |
threadGroupInfo(jthreadGroup group, jvmtiThreadGroupInfo *info)
|
|
|
1212 |
{
|
|
|
1213 |
jvmtiError error;
|
|
|
1214 |
|
|
|
1215 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupInfo)
|
|
|
1216 |
(gdata->jvmti, group, info);
|
|
|
1217 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1218 |
EXIT_ERROR(error, "on getting thread group info");
|
|
|
1219 |
}
|
|
|
1220 |
}
|
|
|
1221 |
|
|
|
1222 |
/**
|
|
|
1223 |
* Return class signature string
|
|
|
1224 |
*/
|
|
|
1225 |
jvmtiError
|
|
|
1226 |
classSignature(jclass clazz, char **psignature, char **pgeneric_signature)
|
|
|
1227 |
{
|
|
|
1228 |
jvmtiError error;
|
|
|
1229 |
char *signature = NULL;
|
|
|
1230 |
|
|
|
1231 |
/*
|
|
|
1232 |
* pgeneric_signature can be NULL, and GetClassSignature
|
|
|
1233 |
* accepts NULL.
|
|
|
1234 |
*/
|
|
|
1235 |
error = FUNC_PTR(gdata->jvmti,GetClassSignature)
|
|
|
1236 |
(gdata->jvmti, clazz, &signature, pgeneric_signature);
|
|
|
1237 |
|
|
|
1238 |
if ( psignature != NULL ) {
|
|
|
1239 |
*psignature = signature;
|
|
|
1240 |
} else if ( signature != NULL ) {
|
|
|
1241 |
jvmtiDeallocate(signature);
|
|
|
1242 |
}
|
|
|
1243 |
return error;
|
|
|
1244 |
}
|
|
|
1245 |
|
|
|
1246 |
/* Get class name (not signature) */
|
|
|
1247 |
char *
|
|
|
1248 |
getClassname(jclass clazz)
|
|
|
1249 |
{
|
|
|
1250 |
char *classname;
|
|
|
1251 |
|
|
|
1252 |
classname = NULL;
|
|
|
1253 |
if ( clazz != NULL ) {
|
|
|
1254 |
if (classSignature(clazz, &classname, NULL) != JVMTI_ERROR_NONE) {
|
|
|
1255 |
classname = NULL;
|
|
|
1256 |
} else {
|
|
|
1257 |
/* Convert in place */
|
|
|
1258 |
convertSignatureToClassname(classname);
|
|
|
1259 |
}
|
|
|
1260 |
}
|
|
|
1261 |
return classname; /* Caller must free this memory */
|
|
|
1262 |
}
|
|
|
1263 |
|
|
|
1264 |
void
|
|
|
1265 |
writeGenericSignature(PacketOutputStream *out, char *genericSignature)
|
|
|
1266 |
{
|
|
|
1267 |
if (genericSignature == NULL) {
|
|
|
1268 |
(void)outStream_writeString(out, "");
|
|
|
1269 |
} else {
|
|
|
1270 |
(void)outStream_writeString(out, genericSignature);
|
|
|
1271 |
}
|
|
|
1272 |
}
|
|
|
1273 |
|
|
|
1274 |
jint
|
|
|
1275 |
classStatus(jclass clazz)
|
|
|
1276 |
{
|
|
|
1277 |
jint status;
|
|
|
1278 |
jvmtiError error;
|
|
|
1279 |
|
|
|
1280 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassStatus)
|
|
|
1281 |
(gdata->jvmti, clazz, &status);
|
|
|
1282 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1283 |
EXIT_ERROR(error, "on getting class status");
|
|
|
1284 |
}
|
|
|
1285 |
return status;
|
|
|
1286 |
}
|
|
|
1287 |
|
|
|
1288 |
static jboolean
|
|
|
1289 |
isArrayClass(jclass clazz)
|
|
|
1290 |
{
|
|
|
1291 |
jboolean isArray = JNI_FALSE;
|
|
|
1292 |
jvmtiError error;
|
|
|
1293 |
|
|
|
1294 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsArrayClass)
|
|
|
1295 |
(gdata->jvmti, clazz, &isArray);
|
|
|
1296 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1297 |
EXIT_ERROR(error, "on checking for an array class");
|
|
|
1298 |
}
|
|
|
1299 |
return isArray;
|
|
|
1300 |
}
|
|
|
1301 |
|
|
|
1302 |
static jboolean
|
|
|
1303 |
isInterface(jclass clazz)
|
|
|
1304 |
{
|
|
|
1305 |
jboolean isInterface = JNI_FALSE;
|
|
|
1306 |
jvmtiError error;
|
|
|
1307 |
|
|
|
1308 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsInterface)
|
|
|
1309 |
(gdata->jvmti, clazz, &isInterface);
|
|
|
1310 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1311 |
EXIT_ERROR(error, "on checking for an interface");
|
|
|
1312 |
}
|
|
|
1313 |
return isInterface;
|
|
|
1314 |
}
|
|
|
1315 |
|
|
|
1316 |
jvmtiError
|
|
|
1317 |
isFieldSynthetic(jclass clazz, jfieldID field, jboolean *psynthetic)
|
|
|
1318 |
{
|
|
|
1319 |
jvmtiError error;
|
|
|
1320 |
|
|
|
1321 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsFieldSynthetic)
|
|
|
1322 |
(gdata->jvmti, clazz, field, psynthetic);
|
|
|
1323 |
if ( error == JVMTI_ERROR_MUST_POSSESS_CAPABILITY ) {
|
|
|
1324 |
/* If the query is not supported, we assume it is not synthetic. */
|
|
|
1325 |
*psynthetic = JNI_FALSE;
|
|
|
1326 |
return JVMTI_ERROR_NONE;
|
|
|
1327 |
}
|
|
|
1328 |
return error;
|
|
|
1329 |
}
|
|
|
1330 |
|
|
|
1331 |
jvmtiError
|
|
|
1332 |
isMethodSynthetic(jmethodID method, jboolean *psynthetic)
|
|
|
1333 |
{
|
|
|
1334 |
jvmtiError error;
|
|
|
1335 |
|
|
|
1336 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodSynthetic)
|
|
|
1337 |
(gdata->jvmti, method, psynthetic);
|
|
|
1338 |
if ( error == JVMTI_ERROR_MUST_POSSESS_CAPABILITY ) {
|
|
|
1339 |
/* If the query is not supported, we assume it is not synthetic. */
|
|
|
1340 |
*psynthetic = JNI_FALSE;
|
|
|
1341 |
return JVMTI_ERROR_NONE;
|
|
|
1342 |
}
|
|
|
1343 |
return error;
|
|
|
1344 |
}
|
|
|
1345 |
|
|
|
1346 |
jboolean
|
|
|
1347 |
isMethodNative(jmethodID method)
|
|
|
1348 |
{
|
|
|
1349 |
jboolean isNative = JNI_FALSE;
|
|
|
1350 |
jvmtiError error;
|
|
|
1351 |
|
|
|
1352 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodNative)
|
|
|
1353 |
(gdata->jvmti, method, &isNative);
|
|
|
1354 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1355 |
EXIT_ERROR(error, "on checking for a native interface");
|
|
|
1356 |
}
|
|
|
1357 |
return isNative;
|
|
|
1358 |
}
|
|
|
1359 |
|
|
|
1360 |
jboolean
|
|
|
1361 |
isSameObject(JNIEnv *env, jobject o1, jobject o2)
|
|
|
1362 |
{
|
|
|
1363 |
if ( o1==o2 ) {
|
|
|
1364 |
return JNI_TRUE;
|
|
|
1365 |
}
|
|
|
1366 |
return FUNC_PTR(env,IsSameObject)(env, o1, o2);
|
|
|
1367 |
}
|
|
|
1368 |
|
|
|
1369 |
jint
|
|
|
1370 |
objectHashCode(jobject object)
|
|
|
1371 |
{
|
|
|
1372 |
jint hashCode = 0;
|
|
|
1373 |
jvmtiError error;
|
|
|
1374 |
|
|
|
1375 |
if ( object!=NULL ) {
|
|
|
1376 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetObjectHashCode)
|
|
|
1377 |
(gdata->jvmti, object, &hashCode);
|
|
|
1378 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1379 |
EXIT_ERROR(error, "on getting an object hash code");
|
|
|
1380 |
}
|
|
|
1381 |
}
|
|
|
1382 |
return hashCode;
|
|
|
1383 |
}
|
|
|
1384 |
|
|
|
1385 |
/* Get all implemented interfaces (must be inside a WITH_LOCAL_REFS) */
|
|
|
1386 |
jvmtiError
|
|
|
1387 |
allInterfaces(jclass clazz, jclass **ppinterfaces, jint *pcount)
|
|
|
1388 |
{
|
|
|
1389 |
jvmtiError error;
|
|
|
1390 |
|
|
|
1391 |
*pcount = 0;
|
|
|
1392 |
*ppinterfaces = NULL;
|
|
|
1393 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetImplementedInterfaces)
|
|
|
1394 |
(gdata->jvmti, clazz, pcount, ppinterfaces);
|
|
|
1395 |
return error;
|
|
|
1396 |
}
|
|
|
1397 |
|
|
|
1398 |
/* Get all loaded classes (must be inside a WITH_LOCAL_REFS) */
|
|
|
1399 |
jvmtiError
|
|
|
1400 |
allLoadedClasses(jclass **ppclasses, jint *pcount)
|
|
|
1401 |
{
|
|
|
1402 |
jvmtiError error;
|
|
|
1403 |
|
|
|
1404 |
*pcount = 0;
|
|
|
1405 |
*ppclasses = NULL;
|
|
|
1406 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetLoadedClasses)
|
|
|
1407 |
(gdata->jvmti, pcount, ppclasses);
|
|
|
1408 |
return error;
|
|
|
1409 |
}
|
|
|
1410 |
|
|
|
1411 |
/* Get all loaded classes for a loader (must be inside a WITH_LOCAL_REFS) */
|
|
|
1412 |
jvmtiError
|
|
|
1413 |
allClassLoaderClasses(jobject loader, jclass **ppclasses, jint *pcount)
|
|
|
1414 |
{
|
|
|
1415 |
jvmtiError error;
|
|
|
1416 |
|
|
|
1417 |
*pcount = 0;
|
|
|
1418 |
*ppclasses = NULL;
|
|
|
1419 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetClassLoaderClasses)
|
|
|
1420 |
(gdata->jvmti, loader, pcount, ppclasses);
|
|
|
1421 |
return error;
|
|
|
1422 |
}
|
|
|
1423 |
|
|
|
1424 |
static jboolean
|
|
|
1425 |
is_a_nested_class(char *outer_sig, int outer_sig_len, char *sig, int sep)
|
|
|
1426 |
{
|
|
|
1427 |
char *inner;
|
|
|
1428 |
|
|
|
1429 |
/* Assumed outer class signature is "LOUTERCLASSNAME;"
|
|
|
1430 |
* inner class signature is "LOUTERCLASSNAME$INNERNAME;"
|
|
|
1431 |
*
|
|
|
1432 |
* INNERNAME can take the form:
|
|
|
1433 |
* [0-9][1-9]* anonymous class somewhere in the file
|
|
|
1434 |
* [0-9][1-9]*NAME local class somewhere in the OUTER class
|
|
|
1435 |
* NAME nested class in OUTER
|
|
|
1436 |
*
|
|
|
1437 |
* If NAME itself contains a $ (sep) then classname is further nested
|
|
|
1438 |
* inside another class.
|
|
|
1439 |
*
|
|
|
1440 |
*/
|
|
|
1441 |
|
|
|
1442 |
/* Check prefix first */
|
|
|
1443 |
if ( strncmp(sig, outer_sig, outer_sig_len-1) != 0 ) {
|
|
|
1444 |
return JNI_FALSE;
|
|
|
1445 |
}
|
|
|
1446 |
|
|
|
1447 |
/* Prefix must be followed by a $ (sep) */
|
|
|
1448 |
if ( sig[outer_sig_len-1] != sep ) {
|
|
|
1449 |
return JNI_FALSE; /* No sep follows the match, must not be nested. */
|
|
|
1450 |
}
|
|
|
1451 |
|
|
|
1452 |
/* Walk past any digits, if we reach the end, must be pure anonymous */
|
|
|
1453 |
inner = sig + outer_sig_len;
|
|
|
1454 |
#if 1 /* We want to return local classes */
|
|
|
1455 |
while ( *inner && isdigit(*inner) ) {
|
|
|
1456 |
inner++;
|
|
|
1457 |
}
|
|
|
1458 |
/* But anonymous class names can't be trusted. */
|
|
|
1459 |
if ( *inner == ';' ) {
|
|
|
1460 |
return JNI_FALSE; /* A pure anonymous class */
|
|
|
1461 |
}
|
|
|
1462 |
#else
|
|
|
1463 |
if ( *inner && isdigit(*inner) ) {
|
|
|
1464 |
return JNI_FALSE; /* A pure anonymous or local class */
|
|
|
1465 |
}
|
|
|
1466 |
#endif
|
|
|
1467 |
|
|
|
1468 |
/* Nested deeper? */
|
|
|
1469 |
if ( strchr(inner, sep) != NULL ) {
|
|
|
1470 |
return JNI_FALSE; /* Nested deeper than we want? */
|
|
|
1471 |
}
|
|
|
1472 |
return JNI_TRUE;
|
|
|
1473 |
}
|
|
|
1474 |
|
|
|
1475 |
/* Get all nested classes for a class (must be inside a WITH_LOCAL_REFS) */
|
|
|
1476 |
jvmtiError
|
|
|
1477 |
allNestedClasses(jclass parent_clazz, jclass **ppnested, jint *pcount)
|
|
|
1478 |
{
|
|
|
1479 |
jvmtiError error;
|
|
|
1480 |
jobject parent_loader;
|
|
|
1481 |
jclass *classes;
|
|
|
1482 |
char *signature;
|
|
|
1483 |
size_t len;
|
|
|
1484 |
jint count;
|
|
|
1485 |
jint ncount;
|
|
|
1486 |
int i;
|
|
|
1487 |
|
|
|
1488 |
*ppnested = NULL;
|
|
|
1489 |
*pcount = 0;
|
|
|
1490 |
|
|
|
1491 |
parent_loader = NULL;
|
|
|
1492 |
classes = NULL;
|
|
|
1493 |
signature = NULL;
|
|
|
1494 |
count = 0;
|
|
|
1495 |
ncount = 0;
|
|
|
1496 |
|
|
|
1497 |
error = classLoader(parent_clazz, &parent_loader);
|
|
|
1498 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1499 |
return error;
|
|
|
1500 |
}
|
|
|
1501 |
error = classSignature(parent_clazz, &signature, NULL);
|
|
|
1502 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1503 |
return error;
|
|
|
1504 |
}
|
|
|
1505 |
len = strlen(signature);
|
|
|
1506 |
|
|
|
1507 |
error = allClassLoaderClasses(parent_loader, &classes, &count);
|
|
|
1508 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
1509 |
jvmtiDeallocate(signature);
|
|
|
1510 |
return error;
|
|
|
1511 |
}
|
|
|
1512 |
|
|
|
1513 |
for (i=0; i<count; i++) {
|
|
|
1514 |
jclass clazz;
|
|
|
1515 |
char *candidate_signature;
|
|
|
1516 |
|
|
|
1517 |
clazz = classes[i];
|
|
|
1518 |
candidate_signature = NULL;
|
|
|
1519 |
error = classSignature(clazz, &candidate_signature, NULL);
|
|
|
1520 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1521 |
break;
|
|
|
1522 |
}
|
|
|
1523 |
|
|
|
1524 |
if ( is_a_nested_class(signature, (int)len, candidate_signature, '$') ||
|
|
|
1525 |
is_a_nested_class(signature, (int)len, candidate_signature, '#') ) {
|
|
|
1526 |
/* Float nested classes to top */
|
|
|
1527 |
classes[i] = classes[ncount];
|
|
|
1528 |
classes[ncount++] = clazz;
|
|
|
1529 |
}
|
|
|
1530 |
jvmtiDeallocate(candidate_signature);
|
|
|
1531 |
}
|
|
|
1532 |
|
|
|
1533 |
jvmtiDeallocate(signature);
|
|
|
1534 |
|
|
|
1535 |
if ( count != 0 && ncount == 0 ) {
|
|
|
1536 |
jvmtiDeallocate(classes);
|
|
|
1537 |
classes = NULL;
|
|
|
1538 |
}
|
|
|
1539 |
|
|
|
1540 |
*ppnested = classes;
|
|
|
1541 |
*pcount = ncount;
|
|
|
1542 |
return error;
|
|
|
1543 |
}
|
|
|
1544 |
|
|
|
1545 |
void
|
|
|
1546 |
createLocalRefSpace(JNIEnv *env, jint capacity)
|
|
|
1547 |
{
|
|
|
1548 |
/*
|
|
|
1549 |
* Save current exception since it might get overwritten by
|
|
|
1550 |
* the calls below. Note we must depend on space in the existing
|
|
|
1551 |
* frame because asking for a new frame may generate an exception.
|
|
|
1552 |
*/
|
|
|
1553 |
jobject throwable = JNI_FUNC_PTR(env,ExceptionOccurred)(env);
|
|
|
1554 |
|
|
|
1555 |
/*
|
|
|
1556 |
* Use the current frame if necessary; otherwise create a new one
|
|
|
1557 |
*/
|
|
|
1558 |
if (JNI_FUNC_PTR(env,PushLocalFrame)(env, capacity) < 0) {
|
|
|
1559 |
EXIT_ERROR(AGENT_ERROR_OUT_OF_MEMORY,"PushLocalFrame: Unable to push JNI frame");
|
|
|
1560 |
}
|
|
|
1561 |
|
|
|
1562 |
/*
|
|
|
1563 |
* TO DO: This could be more efficient if it used EnsureLocalCapacity,
|
|
|
1564 |
* but that would not work if two functions on the call stack
|
|
|
1565 |
* use this function. We would need to either track reserved
|
|
|
1566 |
* references on a per-thread basis or come up with a convention
|
|
|
1567 |
* that would prevent two functions from depending on this function
|
|
|
1568 |
* at the same time.
|
|
|
1569 |
*/
|
|
|
1570 |
|
|
|
1571 |
/*
|
|
|
1572 |
* Restore exception state from before call
|
|
|
1573 |
*/
|
|
|
1574 |
if (throwable != NULL) {
|
|
|
1575 |
JNI_FUNC_PTR(env,Throw)(env, throwable);
|
|
|
1576 |
} else {
|
|
|
1577 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
1578 |
}
|
|
|
1579 |
}
|
|
|
1580 |
|
|
|
1581 |
jboolean
|
|
|
1582 |
isClass(jobject object)
|
|
|
1583 |
{
|
|
|
1584 |
JNIEnv *env = getEnv();
|
|
|
1585 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classClass);
|
|
|
1586 |
}
|
|
|
1587 |
|
|
|
1588 |
jboolean
|
|
|
1589 |
isThread(jobject object)
|
|
|
1590 |
{
|
|
|
1591 |
JNIEnv *env = getEnv();
|
|
|
1592 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadClass);
|
|
|
1593 |
}
|
|
|
1594 |
|
|
|
1595 |
jboolean
|
|
|
1596 |
isThreadGroup(jobject object)
|
|
|
1597 |
{
|
|
|
1598 |
JNIEnv *env = getEnv();
|
|
|
1599 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->threadGroupClass);
|
|
|
1600 |
}
|
|
|
1601 |
|
|
|
1602 |
jboolean
|
|
|
1603 |
isString(jobject object)
|
|
|
1604 |
{
|
|
|
1605 |
JNIEnv *env = getEnv();
|
|
|
1606 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->stringClass);
|
|
|
1607 |
}
|
|
|
1608 |
|
|
|
1609 |
jboolean
|
|
|
1610 |
isClassLoader(jobject object)
|
|
|
1611 |
{
|
|
|
1612 |
JNIEnv *env = getEnv();
|
|
|
1613 |
return JNI_FUNC_PTR(env,IsInstanceOf)(env, object, gdata->classLoaderClass);
|
|
|
1614 |
}
|
|
|
1615 |
|
|
|
1616 |
jboolean
|
|
|
1617 |
isArray(jobject object)
|
|
|
1618 |
{
|
|
|
1619 |
JNIEnv *env = getEnv();
|
|
|
1620 |
jboolean is;
|
|
|
1621 |
|
|
|
1622 |
WITH_LOCAL_REFS(env, 1) {
|
|
|
1623 |
jclass clazz;
|
|
|
1624 |
clazz = JNI_FUNC_PTR(env,GetObjectClass)(env, object);
|
|
|
1625 |
is = isArrayClass(clazz);
|
|
|
1626 |
} END_WITH_LOCAL_REFS(env);
|
|
|
1627 |
|
|
|
1628 |
return is;
|
|
|
1629 |
}
|
|
|
1630 |
|
|
|
1631 |
/**
|
|
|
1632 |
* Return property value as jstring
|
|
|
1633 |
*/
|
|
|
1634 |
static jstring
|
|
|
1635 |
getPropertyValue(JNIEnv *env, char *propertyName)
|
|
|
1636 |
{
|
|
|
1637 |
jstring valueString;
|
|
|
1638 |
jstring nameString;
|
|
|
1639 |
|
|
|
1640 |
valueString = NULL;
|
|
|
1641 |
|
|
|
1642 |
/* Create new String object to hold the property name */
|
|
|
1643 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyName);
|
|
|
1644 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
1645 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
1646 |
/* NULL will be returned below */
|
|
|
1647 |
} else {
|
|
|
1648 |
/* Call valueString = System.getProperty(nameString) */
|
|
|
1649 |
valueString = JNI_FUNC_PTR(env,CallStaticObjectMethod)
|
|
|
1650 |
(env, gdata->systemClass, gdata->systemGetProperty, nameString);
|
|
|
1651 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
1652 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
1653 |
valueString = NULL;
|
|
|
1654 |
}
|
|
|
1655 |
}
|
|
|
1656 |
return valueString;
|
|
|
1657 |
}
|
|
|
1658 |
|
|
|
1659 |
/**
|
|
|
1660 |
* Set an agent property
|
|
|
1661 |
*/
|
|
|
1662 |
void
|
|
|
1663 |
setAgentPropertyValue(JNIEnv *env, char *propertyName, char* propertyValue)
|
|
|
1664 |
{
|
|
|
1665 |
jstring nameString;
|
|
|
1666 |
jstring valueString;
|
|
|
1667 |
|
|
|
1668 |
if (gdata->agent_properties == NULL) {
|
|
|
1669 |
/* VMSupport doesn't exist; so ignore */
|
|
|
1670 |
return;
|
|
|
1671 |
}
|
|
|
1672 |
|
|
|
1673 |
/* Create jstrings for property name and value */
|
|
|
1674 |
nameString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyName);
|
|
|
1675 |
if (nameString != NULL) {
|
|
|
1676 |
valueString = JNI_FUNC_PTR(env,NewStringUTF)(env, propertyValue);
|
|
|
1677 |
if (valueString != NULL) {
|
|
|
1678 |
/* invoke Properties.setProperty */
|
|
|
1679 |
JNI_FUNC_PTR(env,CallObjectMethod)
|
|
|
1680 |
(env, gdata->agent_properties,
|
|
|
1681 |
gdata->setProperty,
|
|
|
1682 |
nameString, valueString);
|
|
|
1683 |
}
|
|
|
1684 |
}
|
|
|
1685 |
if (JNI_FUNC_PTR(env,ExceptionOccurred)(env)) {
|
|
|
1686 |
JNI_FUNC_PTR(env,ExceptionClear)(env);
|
|
|
1687 |
}
|
|
|
1688 |
}
|
|
|
1689 |
|
|
|
1690 |
/**
|
|
|
1691 |
* Return property value as JDWP allocated string in UTF8 encoding
|
|
|
1692 |
*/
|
|
|
1693 |
static char *
|
|
|
1694 |
getPropertyUTF8(JNIEnv *env, char *propertyName)
|
|
|
1695 |
{
|
|
|
1696 |
jvmtiError error;
|
|
|
1697 |
char *value;
|
|
|
1698 |
|
|
|
1699 |
value = NULL;
|
|
|
1700 |
error = JVMTI_FUNC_PTR(gdata->jvmti,GetSystemProperty)
|
|
|
1701 |
(gdata->jvmti, (const char *)propertyName, &value);
|
|
|
1702 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1703 |
jstring valueString;
|
|
|
1704 |
|
|
|
1705 |
value = NULL;
|
|
|
1706 |
valueString = getPropertyValue(env, propertyName);
|
|
|
1707 |
|
|
|
1708 |
if (valueString != NULL) {
|
|
|
1709 |
const char *utf;
|
|
|
1710 |
|
|
|
1711 |
/* Get the UTF8 encoding for this property value string */
|
|
|
1712 |
utf = JNI_FUNC_PTR(env,GetStringUTFChars)(env, valueString, NULL);
|
|
|
1713 |
/* Make a copy for returning, release the JNI copy */
|
|
|
1714 |
value = jvmtiAllocate((int)strlen(utf) + 1);
|
|
|
1715 |
if (value != NULL) {
|
|
|
1716 |
(void)strcpy(value, utf);
|
|
|
1717 |
}
|
|
|
1718 |
JNI_FUNC_PTR(env,ReleaseStringUTFChars)(env, valueString, utf);
|
|
|
1719 |
}
|
|
|
1720 |
}
|
|
|
1721 |
if ( value == NULL ) {
|
|
|
1722 |
ERROR_MESSAGE(("JDWP Can't get property value for %s", propertyName));
|
|
|
1723 |
EXIT_ERROR(AGENT_ERROR_NULL_POINTER,NULL);
|
|
|
1724 |
}
|
|
|
1725 |
return value;
|
|
|
1726 |
}
|
|
|
1727 |
|
|
|
1728 |
jboolean
|
|
|
1729 |
isMethodObsolete(jmethodID method)
|
|
|
1730 |
{
|
|
|
1731 |
jvmtiError error;
|
|
|
1732 |
jboolean obsolete = JNI_TRUE;
|
|
|
1733 |
|
|
|
1734 |
if ( method != NULL ) {
|
|
|
1735 |
error = JVMTI_FUNC_PTR(gdata->jvmti,IsMethodObsolete)
|
|
|
1736 |
(gdata->jvmti, method, &obsolete);
|
|
|
1737 |
if (error != JVMTI_ERROR_NONE) {
|
|
|
1738 |
obsolete = JNI_TRUE;
|
|
|
1739 |
}
|
|
|
1740 |
}
|
|
|
1741 |
return obsolete;
|
|
|
1742 |
}
|
|
|
1743 |
|
|
|
1744 |
/* Get the jvmti environment to be used with tags */
|
|
|
1745 |
static jvmtiEnv *
|
|
|
1746 |
getSpecialJvmti(void)
|
|
|
1747 |
{
|
|
|
1748 |
jvmtiEnv *jvmti;
|
|
|
1749 |
jvmtiError error;
|
|
|
1750 |
int rc;
|
|
|
1751 |
|
|
|
1752 |
/* Get one time use JVMTI Env */
|
|
|
1753 |
jvmtiCapabilities caps;
|
|
|
1754 |
|
|
|
1755 |
rc = JVM_FUNC_PTR(gdata->jvm,GetEnv)
|
|
|
1756 |
(gdata->jvm, (void **)&jvmti, JVMTI_VERSION_1);
|
|
|
1757 |
if (rc != JNI_OK) {
|
|
|
1758 |
return NULL;
|
|
|
1759 |
}
|
|
|
1760 |
(void)memset(&caps, 0, (int)sizeof(caps));
|
|
|
1761 |
caps.can_tag_objects = 1;
|
|
|
1762 |
error = JVMTI_FUNC_PTR(jvmti,AddCapabilities)(jvmti, &caps);
|
|
|
1763 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
1764 |
return NULL;
|
|
|
1765 |
}
|
|
|
1766 |
return jvmti;
|
|
|
1767 |
}
|
|
|
1768 |
|
|
|
1769 |
void
|
|
|
1770 |
writeCodeLocation(PacketOutputStream *out, jclass clazz,
|
|
|
1771 |
jmethodID method, jlocation location)
|
|
|
1772 |
{
|
|
|
1773 |
jbyte tag;
|
|
|
1774 |
|
|
|
1775 |
if (clazz != NULL) {
|
|
|
1776 |
tag = referenceTypeTag(clazz);
|
|
|
1777 |
} else {
|
|
|
1778 |
tag = JDWP_TYPE_TAG(CLASS);
|
|
|
1779 |
}
|
|
|
1780 |
(void)outStream_writeByte(out, tag);
|
|
|
1781 |
(void)outStream_writeObjectRef(getEnv(), out, clazz);
|
|
|
1782 |
(void)outStream_writeMethodID(out, isMethodObsolete(method)?NULL:method);
|
|
|
1783 |
(void)outStream_writeLocation(out, location);
|
|
|
1784 |
}
|
|
|
1785 |
|
|
|
1786 |
void *
|
|
|
1787 |
jvmtiAllocate(jint numBytes)
|
|
|
1788 |
{
|
|
|
1789 |
void *ptr;
|
|
|
1790 |
jvmtiError error;
|
|
|
1791 |
if ( numBytes == 0 ) {
|
|
|
1792 |
return NULL;
|
|
|
1793 |
}
|
|
|
1794 |
error = FUNC_PTR(gdata->jvmti,Allocate)
|
|
|
1795 |
(gdata->jvmti, numBytes, (unsigned char**)&ptr);
|
|
|
1796 |
if (error != JVMTI_ERROR_NONE ) {
|
|
|
1797 |
EXIT_ERROR(error, "Can't allocate jvmti memory");
|
|
|
1798 |
}
|
|
|
1799 |
return ptr;
|
|
|
1800 |
}
|
|
|
1801 |
|
|
|
1802 |
void
|
|
|
1803 |
jvmtiDeallocate(void *ptr)
|
|
|
1804 |
{
|
|
|
1805 |
jvmtiError error;
|
|
|
1806 |
if ( ptr == NULL ) {
|
|
|
1807 |
return;
|
|
|
1808 |
}
|
|
|
1809 |
error = FUNC_PTR(gdata->jvmti,Deallocate)
|
|
|
1810 |
(gdata->jvmti, ptr);
|
|
|
1811 |
if (error != JVMTI_ERROR_NONE ) {
|
|
|
1812 |
EXIT_ERROR(error, "Can't deallocate jvmti memory");
|
|
|
1813 |
}
|
|
|
1814 |
}
|
|
|
1815 |
|
|
|
1816 |
/* Rarely needed, transport library uses JDWP errors, only use? */
|
|
|
1817 |
jvmtiError
|
|
|
1818 |
map2jvmtiError(jdwpError error)
|
|
|
1819 |
{
|
|
|
1820 |
switch ( error ) {
|
|
|
1821 |
case JDWP_ERROR(NONE):
|
|
|
1822 |
return JVMTI_ERROR_NONE;
|
|
|
1823 |
case JDWP_ERROR(INVALID_THREAD):
|
|
|
1824 |
return JVMTI_ERROR_INVALID_THREAD;
|
|
|
1825 |
case JDWP_ERROR(INVALID_THREAD_GROUP):
|
|
|
1826 |
return JVMTI_ERROR_INVALID_THREAD_GROUP;
|
|
|
1827 |
case JDWP_ERROR(INVALID_PRIORITY):
|
|
|
1828 |
return JVMTI_ERROR_INVALID_PRIORITY;
|
|
|
1829 |
case JDWP_ERROR(THREAD_NOT_SUSPENDED):
|
|
|
1830 |
return JVMTI_ERROR_THREAD_NOT_SUSPENDED;
|
|
|
1831 |
case JDWP_ERROR(THREAD_SUSPENDED):
|
|
|
1832 |
return JVMTI_ERROR_THREAD_SUSPENDED;
|
|
|
1833 |
case JDWP_ERROR(INVALID_OBJECT):
|
|
|
1834 |
return JVMTI_ERROR_INVALID_OBJECT;
|
|
|
1835 |
case JDWP_ERROR(INVALID_CLASS):
|
|
|
1836 |
return JVMTI_ERROR_INVALID_CLASS;
|
|
|
1837 |
case JDWP_ERROR(CLASS_NOT_PREPARED):
|
|
|
1838 |
return JVMTI_ERROR_CLASS_NOT_PREPARED;
|
|
|
1839 |
case JDWP_ERROR(INVALID_METHODID):
|
|
|
1840 |
return JVMTI_ERROR_INVALID_METHODID;
|
|
|
1841 |
case JDWP_ERROR(INVALID_LOCATION):
|
|
|
1842 |
return JVMTI_ERROR_INVALID_LOCATION;
|
|
|
1843 |
case JDWP_ERROR(INVALID_FIELDID):
|
|
|
1844 |
return JVMTI_ERROR_INVALID_FIELDID;
|
|
|
1845 |
case JDWP_ERROR(INVALID_FRAMEID):
|
|
|
1846 |
return AGENT_ERROR_INVALID_FRAMEID;
|
|
|
1847 |
case JDWP_ERROR(NO_MORE_FRAMES):
|
|
|
1848 |
return JVMTI_ERROR_NO_MORE_FRAMES;
|
|
|
1849 |
case JDWP_ERROR(OPAQUE_FRAME):
|
|
|
1850 |
return JVMTI_ERROR_OPAQUE_FRAME;
|
|
|
1851 |
case JDWP_ERROR(NOT_CURRENT_FRAME):
|
|
|
1852 |
return AGENT_ERROR_NOT_CURRENT_FRAME;
|
|
|
1853 |
case JDWP_ERROR(TYPE_MISMATCH):
|
|
|
1854 |
return JVMTI_ERROR_TYPE_MISMATCH;
|
|
|
1855 |
case JDWP_ERROR(INVALID_SLOT):
|
|
|
1856 |
return JVMTI_ERROR_INVALID_SLOT;
|
|
|
1857 |
case JDWP_ERROR(DUPLICATE):
|
|
|
1858 |
return JVMTI_ERROR_DUPLICATE;
|
|
|
1859 |
case JDWP_ERROR(NOT_FOUND):
|
|
|
1860 |
return JVMTI_ERROR_NOT_FOUND;
|
|
|
1861 |
case JDWP_ERROR(INVALID_MONITOR):
|
|
|
1862 |
return JVMTI_ERROR_INVALID_MONITOR;
|
|
|
1863 |
case JDWP_ERROR(NOT_MONITOR_OWNER):
|
|
|
1864 |
return JVMTI_ERROR_NOT_MONITOR_OWNER;
|
|
|
1865 |
case JDWP_ERROR(INTERRUPT):
|
|
|
1866 |
return JVMTI_ERROR_INTERRUPT;
|
|
|
1867 |
case JDWP_ERROR(INVALID_CLASS_FORMAT):
|
|
|
1868 |
return JVMTI_ERROR_INVALID_CLASS_FORMAT;
|
|
|
1869 |
case JDWP_ERROR(CIRCULAR_CLASS_DEFINITION):
|
|
|
1870 |
return JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION;
|
|
|
1871 |
case JDWP_ERROR(FAILS_VERIFICATION):
|
|
|
1872 |
return JVMTI_ERROR_FAILS_VERIFICATION;
|
|
|
1873 |
case JDWP_ERROR(ADD_METHOD_NOT_IMPLEMENTED):
|
|
|
1874 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED;
|
|
|
1875 |
case JDWP_ERROR(SCHEMA_CHANGE_NOT_IMPLEMENTED):
|
|
|
1876 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED;
|
|
|
1877 |
case JDWP_ERROR(INVALID_TYPESTATE):
|
|
|
1878 |
return JVMTI_ERROR_INVALID_TYPESTATE;
|
|
|
1879 |
case JDWP_ERROR(HIERARCHY_CHANGE_NOT_IMPLEMENTED):
|
|
|
1880 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED;
|
|
|
1881 |
case JDWP_ERROR(DELETE_METHOD_NOT_IMPLEMENTED):
|
|
|
1882 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED;
|
|
|
1883 |
case JDWP_ERROR(UNSUPPORTED_VERSION):
|
|
|
1884 |
return JVMTI_ERROR_UNSUPPORTED_VERSION;
|
|
|
1885 |
case JDWP_ERROR(NAMES_DONT_MATCH):
|
|
|
1886 |
return JVMTI_ERROR_NAMES_DONT_MATCH;
|
|
|
1887 |
case JDWP_ERROR(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED):
|
|
|
1888 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED;
|
|
|
1889 |
case JDWP_ERROR(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED):
|
|
|
1890 |
return JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED;
|
|
|
1891 |
case JDWP_ERROR(NOT_IMPLEMENTED):
|
|
|
1892 |
return JVMTI_ERROR_NOT_AVAILABLE;
|
|
|
1893 |
case JDWP_ERROR(NULL_POINTER):
|
|
|
1894 |
return JVMTI_ERROR_NULL_POINTER;
|
|
|
1895 |
case JDWP_ERROR(ABSENT_INFORMATION):
|
|
|
1896 |
return JVMTI_ERROR_ABSENT_INFORMATION;
|
|
|
1897 |
case JDWP_ERROR(INVALID_EVENT_TYPE):
|
|
|
1898 |
return JVMTI_ERROR_INVALID_EVENT_TYPE;
|
|
|
1899 |
case JDWP_ERROR(ILLEGAL_ARGUMENT):
|
|
|
1900 |
return JVMTI_ERROR_ILLEGAL_ARGUMENT;
|
|
|
1901 |
case JDWP_ERROR(OUT_OF_MEMORY):
|
|
|
1902 |
return JVMTI_ERROR_OUT_OF_MEMORY;
|
|
|
1903 |
case JDWP_ERROR(ACCESS_DENIED):
|
|
|
1904 |
return JVMTI_ERROR_ACCESS_DENIED;
|
|
|
1905 |
case JDWP_ERROR(VM_DEAD):
|
|
|
1906 |
return JVMTI_ERROR_WRONG_PHASE;
|
|
|
1907 |
case JDWP_ERROR(UNATTACHED_THREAD):
|
|
|
1908 |
return JVMTI_ERROR_UNATTACHED_THREAD;
|
|
|
1909 |
case JDWP_ERROR(INVALID_TAG):
|
|
|
1910 |
return AGENT_ERROR_INVALID_TAG;
|
|
|
1911 |
case JDWP_ERROR(ALREADY_INVOKING):
|
|
|
1912 |
return AGENT_ERROR_ALREADY_INVOKING;
|
|
|
1913 |
case JDWP_ERROR(INVALID_INDEX):
|
|
|
1914 |
return AGENT_ERROR_INVALID_INDEX;
|
|
|
1915 |
case JDWP_ERROR(INVALID_LENGTH):
|
|
|
1916 |
return AGENT_ERROR_INVALID_LENGTH;
|
|
|
1917 |
case JDWP_ERROR(INVALID_STRING):
|
|
|
1918 |
return AGENT_ERROR_INVALID_STRING;
|
|
|
1919 |
case JDWP_ERROR(INVALID_CLASS_LOADER):
|
|
|
1920 |
return AGENT_ERROR_INVALID_CLASS_LOADER;
|
|
|
1921 |
case JDWP_ERROR(INVALID_ARRAY):
|
|
|
1922 |
return AGENT_ERROR_INVALID_ARRAY;
|
|
|
1923 |
case JDWP_ERROR(TRANSPORT_LOAD):
|
|
|
1924 |
return AGENT_ERROR_TRANSPORT_LOAD;
|
|
|
1925 |
case JDWP_ERROR(TRANSPORT_INIT):
|
|
|
1926 |
return AGENT_ERROR_TRANSPORT_INIT;
|
|
|
1927 |
case JDWP_ERROR(NATIVE_METHOD):
|
|
|
1928 |
return AGENT_ERROR_NATIVE_METHOD;
|
|
|
1929 |
case JDWP_ERROR(INVALID_COUNT):
|
|
|
1930 |
return AGENT_ERROR_INVALID_COUNT;
|
|
|
1931 |
case JDWP_ERROR(INTERNAL):
|
|
|
1932 |
return AGENT_ERROR_JDWP_INTERNAL;
|
|
|
1933 |
}
|
|
|
1934 |
return AGENT_ERROR_INTERNAL;
|
|
|
1935 |
}
|
|
|
1936 |
|
|
|
1937 |
static jvmtiEvent index2jvmti[EI_max-EI_min+1];
|
|
|
1938 |
static jdwpEvent index2jdwp [EI_max-EI_min+1];
|
|
|
1939 |
|
|
|
1940 |
void
|
|
|
1941 |
eventIndexInit(void)
|
|
|
1942 |
{
|
|
|
1943 |
(void)memset(index2jvmti, 0, (int)sizeof(index2jvmti));
|
|
|
1944 |
(void)memset(index2jdwp, 0, (int)sizeof(index2jdwp));
|
|
|
1945 |
|
|
|
1946 |
index2jvmti[EI_SINGLE_STEP -EI_min] = JVMTI_EVENT_SINGLE_STEP;
|
|
|
1947 |
index2jvmti[EI_BREAKPOINT -EI_min] = JVMTI_EVENT_BREAKPOINT;
|
|
|
1948 |
index2jvmti[EI_FRAME_POP -EI_min] = JVMTI_EVENT_FRAME_POP;
|
|
|
1949 |
index2jvmti[EI_EXCEPTION -EI_min] = JVMTI_EVENT_EXCEPTION;
|
|
|
1950 |
index2jvmti[EI_THREAD_START -EI_min] = JVMTI_EVENT_THREAD_START;
|
|
|
1951 |
index2jvmti[EI_THREAD_END -EI_min] = JVMTI_EVENT_THREAD_END;
|
|
|
1952 |
index2jvmti[EI_CLASS_PREPARE -EI_min] = JVMTI_EVENT_CLASS_PREPARE;
|
|
|
1953 |
index2jvmti[EI_GC_FINISH -EI_min] = JVMTI_EVENT_GARBAGE_COLLECTION_FINISH;
|
|
|
1954 |
index2jvmti[EI_CLASS_LOAD -EI_min] = JVMTI_EVENT_CLASS_LOAD;
|
|
|
1955 |
index2jvmti[EI_FIELD_ACCESS -EI_min] = JVMTI_EVENT_FIELD_ACCESS;
|
|
|
1956 |
index2jvmti[EI_FIELD_MODIFICATION -EI_min] = JVMTI_EVENT_FIELD_MODIFICATION;
|
|
|
1957 |
index2jvmti[EI_EXCEPTION_CATCH -EI_min] = JVMTI_EVENT_EXCEPTION_CATCH;
|
|
|
1958 |
index2jvmti[EI_METHOD_ENTRY -EI_min] = JVMTI_EVENT_METHOD_ENTRY;
|
|
|
1959 |
index2jvmti[EI_METHOD_EXIT -EI_min] = JVMTI_EVENT_METHOD_EXIT;
|
|
|
1960 |
index2jvmti[EI_MONITOR_CONTENDED_ENTER -EI_min] = JVMTI_EVENT_MONITOR_CONTENDED_ENTER;
|
|
|
1961 |
index2jvmti[EI_MONITOR_CONTENDED_ENTERED -EI_min] = JVMTI_EVENT_MONITOR_CONTENDED_ENTERED;
|
|
|
1962 |
index2jvmti[EI_MONITOR_WAIT -EI_min] = JVMTI_EVENT_MONITOR_WAIT;
|
|
|
1963 |
index2jvmti[EI_MONITOR_WAITED -EI_min] = JVMTI_EVENT_MONITOR_WAITED;
|
|
|
1964 |
index2jvmti[EI_VM_INIT -EI_min] = JVMTI_EVENT_VM_INIT;
|
|
|
1965 |
index2jvmti[EI_VM_DEATH -EI_min] = JVMTI_EVENT_VM_DEATH;
|
|
|
1966 |
|
|
|
1967 |
index2jdwp[EI_SINGLE_STEP -EI_min] = JDWP_EVENT(SINGLE_STEP);
|
|
|
1968 |
index2jdwp[EI_BREAKPOINT -EI_min] = JDWP_EVENT(BREAKPOINT);
|
|
|
1969 |
index2jdwp[EI_FRAME_POP -EI_min] = JDWP_EVENT(FRAME_POP);
|
|
|
1970 |
index2jdwp[EI_EXCEPTION -EI_min] = JDWP_EVENT(EXCEPTION);
|
|
|
1971 |
index2jdwp[EI_THREAD_START -EI_min] = JDWP_EVENT(THREAD_START);
|
|
|
1972 |
index2jdwp[EI_THREAD_END -EI_min] = JDWP_EVENT(THREAD_END);
|
|
|
1973 |
index2jdwp[EI_CLASS_PREPARE -EI_min] = JDWP_EVENT(CLASS_PREPARE);
|
|
|
1974 |
index2jdwp[EI_GC_FINISH -EI_min] = JDWP_EVENT(CLASS_UNLOAD);
|
|
|
1975 |
index2jdwp[EI_CLASS_LOAD -EI_min] = JDWP_EVENT(CLASS_LOAD);
|
|
|
1976 |
index2jdwp[EI_FIELD_ACCESS -EI_min] = JDWP_EVENT(FIELD_ACCESS);
|
|
|
1977 |
index2jdwp[EI_FIELD_MODIFICATION -EI_min] = JDWP_EVENT(FIELD_MODIFICATION);
|
|
|
1978 |
index2jdwp[EI_EXCEPTION_CATCH -EI_min] = JDWP_EVENT(EXCEPTION_CATCH);
|
|
|
1979 |
index2jdwp[EI_METHOD_ENTRY -EI_min] = JDWP_EVENT(METHOD_ENTRY);
|
|
|
1980 |
index2jdwp[EI_METHOD_EXIT -EI_min] = JDWP_EVENT(METHOD_EXIT);
|
|
|
1981 |
index2jdwp[EI_MONITOR_CONTENDED_ENTER -EI_min] = JDWP_EVENT(MONITOR_CONTENDED_ENTER);
|
|
|
1982 |
index2jdwp[EI_MONITOR_CONTENDED_ENTERED -EI_min] = JDWP_EVENT(MONITOR_CONTENDED_ENTERED);
|
|
|
1983 |
index2jdwp[EI_MONITOR_WAIT -EI_min] = JDWP_EVENT(MONITOR_WAIT);
|
|
|
1984 |
index2jdwp[EI_MONITOR_WAITED -EI_min] = JDWP_EVENT(MONITOR_WAITED);
|
|
|
1985 |
index2jdwp[EI_VM_INIT -EI_min] = JDWP_EVENT(VM_INIT);
|
|
|
1986 |
index2jdwp[EI_VM_DEATH -EI_min] = JDWP_EVENT(VM_DEATH);
|
|
|
1987 |
}
|
|
|
1988 |
|
|
|
1989 |
jdwpEvent
|
|
|
1990 |
eventIndex2jdwp(EventIndex i)
|
|
|
1991 |
{
|
|
|
1992 |
if ( i < EI_min || i > EI_max ) {
|
|
|
1993 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"bad EventIndex");
|
|
|
1994 |
}
|
|
|
1995 |
return index2jdwp[i-EI_min];
|
|
|
1996 |
}
|
|
|
1997 |
|
|
|
1998 |
jvmtiEvent
|
|
|
1999 |
eventIndex2jvmti(EventIndex i)
|
|
|
2000 |
{
|
|
|
2001 |
if ( i < EI_min || i > EI_max ) {
|
|
|
2002 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"bad EventIndex");
|
|
|
2003 |
}
|
|
|
2004 |
return index2jvmti[i-EI_min];
|
|
|
2005 |
}
|
|
|
2006 |
|
|
|
2007 |
EventIndex
|
|
|
2008 |
jdwp2EventIndex(jdwpEvent eventType)
|
|
|
2009 |
{
|
|
|
2010 |
switch ( eventType ) {
|
|
|
2011 |
case JDWP_EVENT(SINGLE_STEP):
|
|
|
2012 |
return EI_SINGLE_STEP;
|
|
|
2013 |
case JDWP_EVENT(BREAKPOINT):
|
|
|
2014 |
return EI_BREAKPOINT;
|
|
|
2015 |
case JDWP_EVENT(FRAME_POP):
|
|
|
2016 |
return EI_FRAME_POP;
|
|
|
2017 |
case JDWP_EVENT(EXCEPTION):
|
|
|
2018 |
return EI_EXCEPTION;
|
|
|
2019 |
case JDWP_EVENT(THREAD_START):
|
|
|
2020 |
return EI_THREAD_START;
|
|
|
2021 |
case JDWP_EVENT(THREAD_END):
|
|
|
2022 |
return EI_THREAD_END;
|
|
|
2023 |
case JDWP_EVENT(CLASS_PREPARE):
|
|
|
2024 |
return EI_CLASS_PREPARE;
|
|
|
2025 |
case JDWP_EVENT(CLASS_UNLOAD):
|
|
|
2026 |
return EI_GC_FINISH;
|
|
|
2027 |
case JDWP_EVENT(CLASS_LOAD):
|
|
|
2028 |
return EI_CLASS_LOAD;
|
|
|
2029 |
case JDWP_EVENT(FIELD_ACCESS):
|
|
|
2030 |
return EI_FIELD_ACCESS;
|
|
|
2031 |
case JDWP_EVENT(FIELD_MODIFICATION):
|
|
|
2032 |
return EI_FIELD_MODIFICATION;
|
|
|
2033 |
case JDWP_EVENT(EXCEPTION_CATCH):
|
|
|
2034 |
return EI_EXCEPTION_CATCH;
|
|
|
2035 |
case JDWP_EVENT(METHOD_ENTRY):
|
|
|
2036 |
return EI_METHOD_ENTRY;
|
|
|
2037 |
case JDWP_EVENT(METHOD_EXIT):
|
|
|
2038 |
return EI_METHOD_EXIT;
|
|
|
2039 |
case JDWP_EVENT(METHOD_EXIT_WITH_RETURN_VALUE):
|
|
|
2040 |
return EI_METHOD_EXIT;
|
|
|
2041 |
case JDWP_EVENT(MONITOR_CONTENDED_ENTER):
|
|
|
2042 |
return EI_MONITOR_CONTENDED_ENTER;
|
|
|
2043 |
case JDWP_EVENT(MONITOR_CONTENDED_ENTERED):
|
|
|
2044 |
return EI_MONITOR_CONTENDED_ENTERED;
|
|
|
2045 |
case JDWP_EVENT(MONITOR_WAIT):
|
|
|
2046 |
return EI_MONITOR_WAIT;
|
|
|
2047 |
case JDWP_EVENT(MONITOR_WAITED):
|
|
|
2048 |
return EI_MONITOR_WAITED;
|
|
|
2049 |
case JDWP_EVENT(VM_INIT):
|
|
|
2050 |
return EI_VM_INIT;
|
|
|
2051 |
case JDWP_EVENT(VM_DEATH):
|
|
|
2052 |
return EI_VM_DEATH;
|
|
|
2053 |
default:
|
|
|
2054 |
break;
|
|
|
2055 |
}
|
|
|
2056 |
|
|
|
2057 |
/*
|
|
|
2058 |
* Event type not recognized - don't exit with error as caller
|
|
|
2059 |
* may wish to return error to debugger.
|
|
|
2060 |
*/
|
|
|
2061 |
return (EventIndex)0;
|
|
|
2062 |
}
|
|
|
2063 |
|
|
|
2064 |
EventIndex
|
|
|
2065 |
jvmti2EventIndex(jvmtiEvent kind)
|
|
|
2066 |
{
|
|
|
2067 |
switch ( kind ) {
|
|
|
2068 |
case JVMTI_EVENT_SINGLE_STEP:
|
|
|
2069 |
return EI_SINGLE_STEP;
|
|
|
2070 |
case JVMTI_EVENT_BREAKPOINT:
|
|
|
2071 |
return EI_BREAKPOINT;
|
|
|
2072 |
case JVMTI_EVENT_FRAME_POP:
|
|
|
2073 |
return EI_FRAME_POP;
|
|
|
2074 |
case JVMTI_EVENT_EXCEPTION:
|
|
|
2075 |
return EI_EXCEPTION;
|
|
|
2076 |
case JVMTI_EVENT_THREAD_START:
|
|
|
2077 |
return EI_THREAD_START;
|
|
|
2078 |
case JVMTI_EVENT_THREAD_END:
|
|
|
2079 |
return EI_THREAD_END;
|
|
|
2080 |
case JVMTI_EVENT_CLASS_PREPARE:
|
|
|
2081 |
return EI_CLASS_PREPARE;
|
|
|
2082 |
case JVMTI_EVENT_GARBAGE_COLLECTION_FINISH:
|
|
|
2083 |
return EI_GC_FINISH;
|
|
|
2084 |
case JVMTI_EVENT_CLASS_LOAD:
|
|
|
2085 |
return EI_CLASS_LOAD;
|
|
|
2086 |
case JVMTI_EVENT_FIELD_ACCESS:
|
|
|
2087 |
return EI_FIELD_ACCESS;
|
|
|
2088 |
case JVMTI_EVENT_FIELD_MODIFICATION:
|
|
|
2089 |
return EI_FIELD_MODIFICATION;
|
|
|
2090 |
case JVMTI_EVENT_EXCEPTION_CATCH:
|
|
|
2091 |
return EI_EXCEPTION_CATCH;
|
|
|
2092 |
case JVMTI_EVENT_METHOD_ENTRY:
|
|
|
2093 |
return EI_METHOD_ENTRY;
|
|
|
2094 |
case JVMTI_EVENT_METHOD_EXIT:
|
|
|
2095 |
return EI_METHOD_EXIT;
|
|
|
2096 |
/*
|
|
|
2097 |
* There is no JVMTI_EVENT_METHOD_EXIT_WITH_RETURN_VALUE.
|
|
|
2098 |
* The normal JVMTI_EVENT_METHOD_EXIT always contains the return value.
|
|
|
2099 |
*/
|
|
|
2100 |
case JVMTI_EVENT_MONITOR_CONTENDED_ENTER:
|
|
|
2101 |
return EI_MONITOR_CONTENDED_ENTER;
|
|
|
2102 |
case JVMTI_EVENT_MONITOR_CONTENDED_ENTERED:
|
|
|
2103 |
return EI_MONITOR_CONTENDED_ENTERED;
|
|
|
2104 |
case JVMTI_EVENT_MONITOR_WAIT:
|
|
|
2105 |
return EI_MONITOR_WAIT;
|
|
|
2106 |
case JVMTI_EVENT_MONITOR_WAITED:
|
|
|
2107 |
return EI_MONITOR_WAITED;
|
|
|
2108 |
case JVMTI_EVENT_VM_INIT:
|
|
|
2109 |
return EI_VM_INIT;
|
|
|
2110 |
case JVMTI_EVENT_VM_DEATH:
|
|
|
2111 |
return EI_VM_DEATH;
|
|
|
2112 |
default:
|
|
|
2113 |
EXIT_ERROR(AGENT_ERROR_INVALID_INDEX,"JVMTI to EventIndex mapping");
|
|
|
2114 |
break;
|
|
|
2115 |
}
|
|
|
2116 |
return (EventIndex)0;
|
|
|
2117 |
}
|
|
|
2118 |
|
|
|
2119 |
/* This routine is commonly used, maps jvmti and agent errors to the best
|
|
|
2120 |
* jdwp error code we can map to.
|
|
|
2121 |
*/
|
|
|
2122 |
jdwpError
|
|
|
2123 |
map2jdwpError(jvmtiError error)
|
|
|
2124 |
{
|
|
|
2125 |
switch ( error ) {
|
|
|
2126 |
case JVMTI_ERROR_NONE:
|
|
|
2127 |
return JDWP_ERROR(NONE);
|
|
|
2128 |
case AGENT_ERROR_INVALID_THREAD:
|
|
|
2129 |
case JVMTI_ERROR_INVALID_THREAD:
|
|
|
2130 |
return JDWP_ERROR(INVALID_THREAD);
|
|
|
2131 |
case JVMTI_ERROR_INVALID_THREAD_GROUP:
|
|
|
2132 |
return JDWP_ERROR(INVALID_THREAD_GROUP);
|
|
|
2133 |
case JVMTI_ERROR_INVALID_PRIORITY:
|
|
|
2134 |
return JDWP_ERROR(INVALID_PRIORITY);
|
|
|
2135 |
case JVMTI_ERROR_THREAD_NOT_SUSPENDED:
|
|
|
2136 |
return JDWP_ERROR(THREAD_NOT_SUSPENDED);
|
|
|
2137 |
case JVMTI_ERROR_THREAD_SUSPENDED:
|
|
|
2138 |
return JDWP_ERROR(THREAD_SUSPENDED);
|
|
|
2139 |
case JVMTI_ERROR_THREAD_NOT_ALIVE:
|
|
|
2140 |
return JDWP_ERROR(INVALID_THREAD);
|
|
|
2141 |
case AGENT_ERROR_INVALID_OBJECT:
|
|
|
2142 |
case JVMTI_ERROR_INVALID_OBJECT:
|
|
|
2143 |
return JDWP_ERROR(INVALID_OBJECT);
|
|
|
2144 |
case JVMTI_ERROR_INVALID_CLASS:
|
|
|
2145 |
return JDWP_ERROR(INVALID_CLASS);
|
|
|
2146 |
case JVMTI_ERROR_CLASS_NOT_PREPARED:
|
|
|
2147 |
return JDWP_ERROR(CLASS_NOT_PREPARED);
|
|
|
2148 |
case JVMTI_ERROR_INVALID_METHODID:
|
|
|
2149 |
return JDWP_ERROR(INVALID_METHODID);
|
|
|
2150 |
case JVMTI_ERROR_INVALID_LOCATION:
|
|
|
2151 |
return JDWP_ERROR(INVALID_LOCATION);
|
|
|
2152 |
case JVMTI_ERROR_INVALID_FIELDID:
|
|
|
2153 |
return JDWP_ERROR(INVALID_FIELDID);
|
|
|
2154 |
case AGENT_ERROR_NO_MORE_FRAMES:
|
|
|
2155 |
case JVMTI_ERROR_NO_MORE_FRAMES:
|
|
|
2156 |
return JDWP_ERROR(NO_MORE_FRAMES);
|
|
|
2157 |
case JVMTI_ERROR_OPAQUE_FRAME:
|
|
|
2158 |
return JDWP_ERROR(OPAQUE_FRAME);
|
|
|
2159 |
case JVMTI_ERROR_TYPE_MISMATCH:
|
|
|
2160 |
return JDWP_ERROR(TYPE_MISMATCH);
|
|
|
2161 |
case JVMTI_ERROR_INVALID_SLOT:
|
|
|
2162 |
return JDWP_ERROR(INVALID_SLOT);
|
|
|
2163 |
case JVMTI_ERROR_DUPLICATE:
|
|
|
2164 |
return JDWP_ERROR(DUPLICATE);
|
|
|
2165 |
case JVMTI_ERROR_NOT_FOUND:
|
|
|
2166 |
return JDWP_ERROR(NOT_FOUND);
|
|
|
2167 |
case JVMTI_ERROR_INVALID_MONITOR:
|
|
|
2168 |
return JDWP_ERROR(INVALID_MONITOR);
|
|
|
2169 |
case JVMTI_ERROR_NOT_MONITOR_OWNER:
|
|
|
2170 |
return JDWP_ERROR(NOT_MONITOR_OWNER);
|
|
|
2171 |
case JVMTI_ERROR_INTERRUPT:
|
|
|
2172 |
return JDWP_ERROR(INTERRUPT);
|
|
|
2173 |
case JVMTI_ERROR_INVALID_CLASS_FORMAT:
|
|
|
2174 |
return JDWP_ERROR(INVALID_CLASS_FORMAT);
|
|
|
2175 |
case JVMTI_ERROR_CIRCULAR_CLASS_DEFINITION:
|
|
|
2176 |
return JDWP_ERROR(CIRCULAR_CLASS_DEFINITION);
|
|
|
2177 |
case JVMTI_ERROR_FAILS_VERIFICATION:
|
|
|
2178 |
return JDWP_ERROR(FAILS_VERIFICATION);
|
|
|
2179 |
case JVMTI_ERROR_INVALID_TYPESTATE:
|
|
|
2180 |
return JDWP_ERROR(INVALID_TYPESTATE);
|
|
|
2181 |
case JVMTI_ERROR_UNSUPPORTED_VERSION:
|
|
|
2182 |
return JDWP_ERROR(UNSUPPORTED_VERSION);
|
|
|
2183 |
case JVMTI_ERROR_NAMES_DONT_MATCH:
|
|
|
2184 |
return JDWP_ERROR(NAMES_DONT_MATCH);
|
|
|
2185 |
case AGENT_ERROR_NULL_POINTER:
|
|
|
2186 |
case JVMTI_ERROR_NULL_POINTER:
|
|
|
2187 |
return JDWP_ERROR(NULL_POINTER);
|
|
|
2188 |
case JVMTI_ERROR_ABSENT_INFORMATION:
|
|
|
2189 |
return JDWP_ERROR(ABSENT_INFORMATION);
|
|
|
2190 |
case AGENT_ERROR_INVALID_EVENT_TYPE:
|
|
|
2191 |
case JVMTI_ERROR_INVALID_EVENT_TYPE:
|
|
|
2192 |
return JDWP_ERROR(INVALID_EVENT_TYPE);
|
|
|
2193 |
case AGENT_ERROR_ILLEGAL_ARGUMENT:
|
|
|
2194 |
case JVMTI_ERROR_ILLEGAL_ARGUMENT:
|
|
|
2195 |
return JDWP_ERROR(ILLEGAL_ARGUMENT);
|
|
|
2196 |
case JVMTI_ERROR_OUT_OF_MEMORY:
|
|
|
2197 |
case AGENT_ERROR_OUT_OF_MEMORY:
|
|
|
2198 |
return JDWP_ERROR(OUT_OF_MEMORY);
|
|
|
2199 |
case JVMTI_ERROR_ACCESS_DENIED:
|
|
|
2200 |
return JDWP_ERROR(ACCESS_DENIED);
|
|
|
2201 |
case JVMTI_ERROR_WRONG_PHASE:
|
|
|
2202 |
case AGENT_ERROR_VM_DEAD:
|
|
|
2203 |
case AGENT_ERROR_NO_JNI_ENV:
|
|
|
2204 |
return JDWP_ERROR(VM_DEAD);
|
|
|
2205 |
case AGENT_ERROR_JNI_EXCEPTION:
|
|
|
2206 |
case JVMTI_ERROR_UNATTACHED_THREAD:
|
|
|
2207 |
return JDWP_ERROR(UNATTACHED_THREAD);
|
|
|
2208 |
case JVMTI_ERROR_NOT_AVAILABLE:
|
|
|
2209 |
case JVMTI_ERROR_MUST_POSSESS_CAPABILITY:
|
|
|
2210 |
return JDWP_ERROR(NOT_IMPLEMENTED);
|
|
|
2211 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_HIERARCHY_CHANGED:
|
|
|
2212 |
return JDWP_ERROR(HIERARCHY_CHANGE_NOT_IMPLEMENTED);
|
|
|
2213 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_DELETED:
|
|
|
2214 |
return JDWP_ERROR(DELETE_METHOD_NOT_IMPLEMENTED);
|
|
|
2215 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_ADDED:
|
|
|
2216 |
return JDWP_ERROR(ADD_METHOD_NOT_IMPLEMENTED);
|
|
|
2217 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_SCHEMA_CHANGED:
|
|
|
2218 |
return JDWP_ERROR(SCHEMA_CHANGE_NOT_IMPLEMENTED);
|
|
|
2219 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED:
|
|
|
2220 |
return JDWP_ERROR(CLASS_MODIFIERS_CHANGE_NOT_IMPLEMENTED);
|
|
|
2221 |
case JVMTI_ERROR_UNSUPPORTED_REDEFINITION_METHOD_MODIFIERS_CHANGED:
|
|
|
2222 |
return JDWP_ERROR(METHOD_MODIFIERS_CHANGE_NOT_IMPLEMENTED);
|
|
|
2223 |
case AGENT_ERROR_NOT_CURRENT_FRAME:
|
|
|
2224 |
return JDWP_ERROR(NOT_CURRENT_FRAME);
|
|
|
2225 |
case AGENT_ERROR_INVALID_TAG:
|
|
|
2226 |
return JDWP_ERROR(INVALID_TAG);
|
|
|
2227 |
case AGENT_ERROR_ALREADY_INVOKING:
|
|
|
2228 |
return JDWP_ERROR(ALREADY_INVOKING);
|
|
|
2229 |
case AGENT_ERROR_INVALID_INDEX:
|
|
|
2230 |
return JDWP_ERROR(INVALID_INDEX);
|
|
|
2231 |
case AGENT_ERROR_INVALID_LENGTH:
|
|
|
2232 |
return JDWP_ERROR(INVALID_LENGTH);
|
|
|
2233 |
case AGENT_ERROR_INVALID_STRING:
|
|
|
2234 |
return JDWP_ERROR(INVALID_STRING);
|
|
|
2235 |
case AGENT_ERROR_INVALID_CLASS_LOADER:
|
|
|
2236 |
return JDWP_ERROR(INVALID_CLASS_LOADER);
|
|
|
2237 |
case AGENT_ERROR_INVALID_ARRAY:
|
|
|
2238 |
return JDWP_ERROR(INVALID_ARRAY);
|
|
|
2239 |
case AGENT_ERROR_TRANSPORT_LOAD:
|
|
|
2240 |
return JDWP_ERROR(TRANSPORT_LOAD);
|
|
|
2241 |
case AGENT_ERROR_TRANSPORT_INIT:
|
|
|
2242 |
return JDWP_ERROR(TRANSPORT_INIT);
|
|
|
2243 |
case AGENT_ERROR_NATIVE_METHOD:
|
|
|
2244 |
return JDWP_ERROR(NATIVE_METHOD);
|
|
|
2245 |
case AGENT_ERROR_INVALID_COUNT:
|
|
|
2246 |
return JDWP_ERROR(INVALID_COUNT);
|
|
|
2247 |
case AGENT_ERROR_INVALID_FRAMEID:
|
|
|
2248 |
return JDWP_ERROR(INVALID_FRAMEID);
|
|
|
2249 |
case JVMTI_ERROR_INTERNAL:
|
|
|
2250 |
case JVMTI_ERROR_INVALID_ENVIRONMENT:
|
|
|
2251 |
case AGENT_ERROR_INTERNAL:
|
|
|
2252 |
case AGENT_ERROR_JVMTI_INTERNAL:
|
|
|
2253 |
case AGENT_ERROR_JDWP_INTERNAL:
|
|
|
2254 |
return JDWP_ERROR(INTERNAL);
|
|
|
2255 |
default:
|
|
|
2256 |
break;
|
|
|
2257 |
}
|
|
|
2258 |
return JDWP_ERROR(INTERNAL);
|
|
|
2259 |
}
|
|
|
2260 |
|
|
|
2261 |
jint
|
|
|
2262 |
map2jdwpSuspendStatus(jint state)
|
|
|
2263 |
{
|
|
|
2264 |
jint status = 0;
|
|
|
2265 |
if ( ( state & JVMTI_THREAD_STATE_SUSPENDED ) != 0 ) {
|
|
|
2266 |
status = JDWP_SUSPEND_STATUS(SUSPENDED);
|
|
|
2267 |
}
|
|
|
2268 |
return status;
|
|
|
2269 |
}
|
|
|
2270 |
|
|
|
2271 |
jdwpThreadStatus
|
|
|
2272 |
map2jdwpThreadStatus(jint state)
|
|
|
2273 |
{
|
|
|
2274 |
jdwpThreadStatus status;
|
|
|
2275 |
|
|
|
2276 |
status = (jdwpThreadStatus)(-1);
|
|
|
2277 |
|
|
|
2278 |
if ( ! ( state & JVMTI_THREAD_STATE_ALIVE ) ) {
|
|
|
2279 |
if ( state & JVMTI_THREAD_STATE_TERMINATED ) {
|
|
|
2280 |
status = JDWP_THREAD_STATUS(ZOMBIE);
|
|
|
2281 |
} else {
|
|
|
2282 |
/* FIXUP? New JDWP #define for not started? */
|
|
|
2283 |
status = (jdwpThreadStatus)(-1);
|
|
|
2284 |
}
|
|
|
2285 |
} else {
|
|
|
2286 |
if ( state & JVMTI_THREAD_STATE_SLEEPING ) {
|
|
|
2287 |
status = JDWP_THREAD_STATUS(SLEEPING);
|
|
|
2288 |
} else if ( state & JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER ) {
|
|
|
2289 |
status = JDWP_THREAD_STATUS(MONITOR);
|
|
|
2290 |
} else if ( state & JVMTI_THREAD_STATE_WAITING ) {
|
|
|
2291 |
status = JDWP_THREAD_STATUS(WAIT);
|
|
|
2292 |
} else if ( state & JVMTI_THREAD_STATE_RUNNABLE ) {
|
|
|
2293 |
status = JDWP_THREAD_STATUS(RUNNING);
|
|
|
2294 |
}
|
|
|
2295 |
}
|
|
|
2296 |
return status;
|
|
|
2297 |
}
|
|
|
2298 |
|
|
|
2299 |
jint
|
|
|
2300 |
map2jdwpClassStatus(jint classStatus)
|
|
|
2301 |
{
|
|
|
2302 |
jint status = 0;
|
|
|
2303 |
if ( ( classStatus & JVMTI_CLASS_STATUS_VERIFIED ) != 0 ) {
|
|
|
2304 |
status |= JDWP_CLASS_STATUS(VERIFIED);
|
|
|
2305 |
}
|
|
|
2306 |
if ( ( classStatus & JVMTI_CLASS_STATUS_PREPARED ) != 0 ) {
|
|
|
2307 |
status |= JDWP_CLASS_STATUS(PREPARED);
|
|
|
2308 |
}
|
|
|
2309 |
if ( ( classStatus & JVMTI_CLASS_STATUS_INITIALIZED ) != 0 ) {
|
|
|
2310 |
status |= JDWP_CLASS_STATUS(INITIALIZED);
|
|
|
2311 |
}
|
|
|
2312 |
if ( ( classStatus & JVMTI_CLASS_STATUS_ERROR ) != 0 ) {
|
|
|
2313 |
status |= JDWP_CLASS_STATUS(ERROR);
|
|
|
2314 |
}
|
|
|
2315 |
return status;
|
|
|
2316 |
}
|
|
|
2317 |
|
|
|
2318 |
void
|
|
|
2319 |
log_debugee_location(const char *func,
|
|
|
2320 |
jthread thread, jmethodID method, jlocation location)
|
|
|
2321 |
{
|
|
|
2322 |
int logging_locations = LOG_TEST(JDWP_LOG_LOC);
|
|
|
2323 |
|
|
|
2324 |
if ( logging_locations ) {
|
|
|
2325 |
char *method_name;
|
|
|
2326 |
char *class_sig;
|
|
|
2327 |
jvmtiError error;
|
|
|
2328 |
jvmtiThreadInfo info;
|
|
|
2329 |
jint state;
|
|
|
2330 |
|
|
|
2331 |
/* Get thread information */
|
|
|
2332 |
info.name = NULL;
|
|
|
2333 |
error = FUNC_PTR(gdata->jvmti,GetThreadInfo)
|
|
|
2334 |
(gdata->jvmti, thread, &info);
|
|
|
2335 |
if ( error != JVMTI_ERROR_NONE) {
|
|
|
2336 |
info.name = NULL;
|
|
|
2337 |
}
|
|
|
2338 |
error = FUNC_PTR(gdata->jvmti,GetThreadState)
|
|
|
2339 |
(gdata->jvmti, thread, &state);
|
|
|
2340 |
if ( error != JVMTI_ERROR_NONE) {
|
|
|
2341 |
state = 0;
|
|
|
2342 |
}
|
|
|
2343 |
|
|
|
2344 |
/* Get method if necessary */
|
|
|
2345 |
if ( method==NULL ) {
|
|
|
2346 |
error = FUNC_PTR(gdata->jvmti,GetFrameLocation)
|
|
|
2347 |
(gdata->jvmti, thread, 0, &method, &location);
|
|
|
2348 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
2349 |
method = NULL;
|
|
|
2350 |
location = 0;
|
|
|
2351 |
}
|
|
|
2352 |
}
|
|
|
2353 |
|
|
|
2354 |
/* Get method name */
|
|
|
2355 |
method_name = NULL;
|
|
|
2356 |
if ( method != NULL ) {
|
|
|
2357 |
error = methodSignature(method, &method_name, NULL, NULL);
|
|
|
2358 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
2359 |
method_name = NULL;
|
|
|
2360 |
}
|
|
|
2361 |
}
|
|
|
2362 |
|
|
|
2363 |
/* Get class signature */
|
|
|
2364 |
class_sig = NULL;
|
|
|
2365 |
if ( method != NULL ) {
|
|
|
2366 |
jclass clazz;
|
|
|
2367 |
|
|
|
2368 |
error = methodClass(method, &clazz);
|
|
|
2369 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2370 |
error = classSignature(clazz, &class_sig, NULL);
|
|
|
2371 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
2372 |
class_sig = NULL;
|
|
|
2373 |
}
|
|
|
2374 |
}
|
|
|
2375 |
}
|
|
|
2376 |
|
|
|
2377 |
/* Issue log message */
|
|
|
2378 |
LOG_LOC(("%s: debugee: thread=%p(%s:0x%x),method=%p(%s@%d;%s)",
|
|
|
2379 |
func,
|
|
|
2380 |
thread, info.name==NULL ? "?" : info.name, state,
|
|
|
2381 |
method, method_name==NULL ? "?" : method_name,
|
|
|
2382 |
(int)location, class_sig==NULL ? "?" : class_sig));
|
|
|
2383 |
|
|
|
2384 |
/* Free memory */
|
|
|
2385 |
if ( class_sig != NULL ) {
|
|
|
2386 |
jvmtiDeallocate(class_sig);
|
|
|
2387 |
}
|
|
|
2388 |
if ( method_name != NULL ) {
|
|
|
2389 |
jvmtiDeallocate(method_name);
|
|
|
2390 |
}
|
|
|
2391 |
if ( info.name != NULL ) {
|
|
|
2392 |
jvmtiDeallocate(info.name);
|
|
|
2393 |
}
|
|
|
2394 |
}
|
|
|
2395 |
}
|
|
|
2396 |
|
|
|
2397 |
/* ********************************************************************* */
|
|
|
2398 |
/* JDK 6.0: Use of new Heap Iteration functions */
|
|
|
2399 |
/* ********************************************************************* */
|
|
|
2400 |
|
|
|
2401 |
/* ********************************************************************* */
|
|
|
2402 |
/* Instances */
|
|
|
2403 |
|
|
|
2404 |
/* Structure to hold class instances heap iteration data (arg user_data) */
|
|
|
2405 |
typedef struct ClassInstancesData {
|
|
|
2406 |
jint instCount;
|
|
|
2407 |
jint maxInstances;
|
|
|
2408 |
jlong objTag;
|
|
|
2409 |
jvmtiError error;
|
|
|
2410 |
} ClassInstancesData;
|
|
|
2411 |
|
|
|
2412 |
/* Callback for instance object tagging (heap_reference_callback). */
|
|
|
2413 |
static jint JNICALL
|
|
|
2414 |
cbObjectTagInstance(jvmtiHeapReferenceKind reference_kind,
|
|
|
2415 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag,
|
|
|
2416 |
jlong referrer_class_tag, jlong size,
|
|
|
2417 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data)
|
|
|
2418 |
{
|
|
|
2419 |
ClassInstancesData *data;
|
|
|
2420 |
|
|
|
2421 |
/* Check data structure */
|
|
|
2422 |
data = (ClassInstancesData*)user_data;
|
|
|
2423 |
if (data == NULL) {
|
|
|
2424 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2425 |
return JVMTI_VISIT_ABORT;
|
|
|
2426 |
}
|
|
|
2427 |
|
|
|
2428 |
/* If we have tagged enough objects, just abort */
|
|
|
2429 |
if ( data->maxInstances != 0 && data->instCount >= data->maxInstances ) {
|
|
|
2430 |
return JVMTI_VISIT_ABORT;
|
|
|
2431 |
}
|
|
|
2432 |
|
|
|
2433 |
/* If tagged already, just continue */
|
|
|
2434 |
if ( (*tag_ptr) != (jlong)0 ) {
|
|
|
2435 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2436 |
}
|
|
|
2437 |
|
|
|
2438 |
/* Tag the object so we don't count it again, and so we can retrieve it */
|
|
|
2439 |
(*tag_ptr) = data->objTag;
|
|
|
2440 |
data->instCount++;
|
|
|
2441 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2442 |
}
|
|
|
2443 |
|
|
|
2444 |
/* Get instances for one class */
|
|
|
2445 |
jvmtiError
|
|
|
2446 |
classInstances(jclass klass, ObjectBatch *instances, int maxInstances)
|
|
|
2447 |
{
|
|
|
2448 |
ClassInstancesData data;
|
|
|
2449 |
jvmtiHeapCallbacks heap_callbacks;
|
|
|
2450 |
jvmtiError error;
|
|
|
2451 |
jvmtiEnv *jvmti;
|
|
|
2452 |
|
|
|
2453 |
/* Check interface assumptions */
|
|
|
2454 |
|
|
|
2455 |
if (klass == NULL) {
|
|
|
2456 |
return AGENT_ERROR_INVALID_OBJECT;
|
|
|
2457 |
}
|
|
|
2458 |
|
|
|
2459 |
if ( maxInstances < 0 || instances == NULL) {
|
|
|
2460 |
return AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2461 |
}
|
|
|
2462 |
|
|
|
2463 |
/* Initialize return information */
|
|
|
2464 |
instances->count = 0;
|
|
|
2465 |
instances->objects = NULL;
|
|
|
2466 |
|
|
|
2467 |
/* Get jvmti environment to use */
|
|
|
2468 |
jvmti = getSpecialJvmti();
|
|
|
2469 |
if ( jvmti == NULL ) {
|
|
|
2470 |
return AGENT_ERROR_INTERNAL;
|
|
|
2471 |
}
|
|
|
2472 |
|
|
|
2473 |
/* Setup data to passed around the callbacks */
|
|
|
2474 |
data.instCount = 0;
|
|
|
2475 |
data.maxInstances = maxInstances;
|
|
|
2476 |
data.objTag = (jlong)1;
|
|
|
2477 |
data.error = JVMTI_ERROR_NONE;
|
|
|
2478 |
|
|
|
2479 |
/* Clear out callbacks structure */
|
|
|
2480 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks));
|
|
|
2481 |
|
|
|
2482 |
/* Set the callbacks we want */
|
|
|
2483 |
heap_callbacks.heap_reference_callback = &cbObjectTagInstance;
|
|
|
2484 |
|
|
|
2485 |
/* Follow references, no initiating object, just this class, all objects */
|
|
|
2486 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences)
|
|
|
2487 |
(jvmti, 0, klass, NULL, &heap_callbacks, &data);
|
|
|
2488 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2489 |
error = data.error;
|
|
|
2490 |
}
|
|
|
2491 |
|
|
|
2492 |
/* Get all the instances now that they are tagged */
|
|
|
2493 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2494 |
error = JVMTI_FUNC_PTR(jvmti,GetObjectsWithTags)
|
|
|
2495 |
(jvmti, 1, &(data.objTag), &(instances->count),
|
|
|
2496 |
&(instances->objects), NULL);
|
|
|
2497 |
/* Verify we got the count we expected */
|
|
|
2498 |
if ( data.instCount != instances->count ) {
|
|
|
2499 |
error = AGENT_ERROR_INTERNAL;
|
|
|
2500 |
}
|
|
|
2501 |
}
|
|
|
2502 |
|
|
|
2503 |
/* Dispose of any special jvmti environment */
|
|
|
2504 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti);
|
|
|
2505 |
return error;
|
|
|
2506 |
}
|
|
|
2507 |
|
|
|
2508 |
/* ********************************************************************* */
|
|
|
2509 |
/* Instance counts. */
|
|
|
2510 |
|
|
|
2511 |
/* Macros to convert a class or instance tag to an index and back again */
|
|
|
2512 |
#define INDEX2CLASSTAG(i) ((jlong)((i)+1))
|
|
|
2513 |
#define CLASSTAG2INDEX(t) (((int)(t))-1)
|
|
|
2514 |
#define JLONG_ABS(x) (((x)<(jlong)0)?-(x):(x))
|
|
|
2515 |
|
|
|
2516 |
/* Structure to hold class count heap traversal data (arg user_data) */
|
|
|
2517 |
typedef struct ClassCountData {
|
|
|
2518 |
int classCount;
|
|
|
2519 |
jlong *counts;
|
|
|
2520 |
jlong negObjTag;
|
|
|
2521 |
jvmtiError error;
|
|
|
2522 |
} ClassCountData;
|
|
|
2523 |
|
|
|
2524 |
/* Two different cbObjectCounter's, one for FollowReferences, one for
|
|
|
2525 |
* IterateThroughHeap. Pick a card, any card.
|
|
|
2526 |
*/
|
|
|
2527 |
|
|
|
2528 |
/* Callback for object count heap traversal (heap_reference_callback) */
|
|
|
2529 |
static jint JNICALL
|
|
|
2530 |
cbObjectCounterFromRef(jvmtiHeapReferenceKind reference_kind,
|
|
|
2531 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag,
|
|
|
2532 |
jlong referrer_class_tag, jlong size,
|
|
|
2533 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data)
|
|
|
2534 |
{
|
|
|
2535 |
ClassCountData *data;
|
|
|
2536 |
int index;
|
|
|
2537 |
jlong jindex;
|
|
|
2538 |
jlong tag;
|
|
|
2539 |
|
|
|
2540 |
/* Check data structure */
|
|
|
2541 |
data = (ClassCountData*)user_data;
|
|
|
2542 |
if (data == NULL) {
|
|
|
2543 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2544 |
return JVMTI_VISIT_ABORT;
|
|
|
2545 |
}
|
|
|
2546 |
|
|
|
2547 |
/* Classes with no class_tag should have been filtered out. */
|
|
|
2548 |
if ( class_tag == (jlong)0 ) {
|
|
|
2549 |
data->error = AGENT_ERROR_INTERNAL;
|
|
|
2550 |
return JVMTI_VISIT_ABORT;
|
|
|
2551 |
}
|
|
|
2552 |
|
|
|
2553 |
/* Class tag not one we really want (jclass not in supplied list) */
|
|
|
2554 |
if ( class_tag == data->negObjTag ) {
|
|
|
2555 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2556 |
}
|
|
|
2557 |
|
|
|
2558 |
/* If object tag is negative, just continue, we counted it */
|
|
|
2559 |
tag = (*tag_ptr);
|
|
|
2560 |
if ( tag < (jlong)0 ) {
|
|
|
2561 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2562 |
}
|
|
|
2563 |
|
|
|
2564 |
/* Tag the object with a negative value just so we don't count it again */
|
|
|
2565 |
if ( tag == (jlong)0 ) {
|
|
|
2566 |
/* This object had no tag value, so we give it the negObjTag value */
|
|
|
2567 |
(*tag_ptr) = data->negObjTag;
|
|
|
2568 |
} else {
|
|
|
2569 |
/* If this object had a positive tag value, it must be one of the
|
|
|
2570 |
* jclass objects we tagged. We need to preserve the value of
|
|
|
2571 |
* this tag for later objects that might have this as a class
|
|
|
2572 |
* tag, so we just make the existing tag value negative.
|
|
|
2573 |
*/
|
|
|
2574 |
(*tag_ptr) = -tag;
|
|
|
2575 |
}
|
|
|
2576 |
|
|
|
2577 |
/* Absolute value of class tag is an index into the counts[] array */
|
|
|
2578 |
jindex = JLONG_ABS(class_tag);
|
|
|
2579 |
index = CLASSTAG2INDEX(jindex);
|
|
|
2580 |
if (index < 0 || index >= data->classCount) {
|
|
|
2581 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2582 |
return JVMTI_VISIT_ABORT;
|
|
|
2583 |
}
|
|
|
2584 |
|
|
|
2585 |
/* Bump instance count on this class */
|
|
|
2586 |
data->counts[index]++;
|
|
|
2587 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2588 |
}
|
|
|
2589 |
|
|
|
2590 |
/* Callback for instance count heap traversal (heap_iteration_callback) */
|
|
|
2591 |
static jint JNICALL
|
|
|
2592 |
cbObjectCounter(jlong class_tag, jlong size, jlong* tag_ptr, jint length,
|
|
|
2593 |
void* user_data)
|
|
|
2594 |
{
|
|
|
2595 |
ClassCountData *data;
|
|
|
2596 |
int index;
|
|
|
2597 |
|
|
|
2598 |
/* Check data structure */
|
|
|
2599 |
data = (ClassCountData*)user_data;
|
|
|
2600 |
if (data == NULL) {
|
|
|
2601 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2602 |
return JVMTI_VISIT_ABORT;
|
|
|
2603 |
}
|
|
|
2604 |
|
|
|
2605 |
/* Classes with no tag should be filtered out. */
|
|
|
2606 |
if ( class_tag == (jlong)0 ) {
|
|
|
2607 |
data->error = AGENT_ERROR_INTERNAL;
|
|
|
2608 |
return JVMTI_VISIT_ABORT;
|
|
|
2609 |
}
|
|
|
2610 |
|
|
|
2611 |
/* Class tag is actually an index into data arrays */
|
|
|
2612 |
index = CLASSTAG2INDEX(class_tag);
|
|
|
2613 |
if (index < 0 || index >= data->classCount) {
|
|
|
2614 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2615 |
return JVMTI_VISIT_ABORT;
|
|
|
2616 |
}
|
|
|
2617 |
|
|
|
2618 |
/* Bump instance count on this class */
|
|
|
2619 |
data->counts[index]++;
|
|
|
2620 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2621 |
}
|
|
|
2622 |
|
|
|
2623 |
/* Get instance counts for a set of classes */
|
|
|
2624 |
jvmtiError
|
|
|
2625 |
classInstanceCounts(jint classCount, jclass *classes, jlong *counts)
|
|
|
2626 |
{
|
|
|
2627 |
jvmtiHeapCallbacks heap_callbacks;
|
|
|
2628 |
ClassCountData data;
|
|
|
2629 |
jvmtiError error;
|
|
|
2630 |
jvmtiEnv *jvmti;
|
|
|
2631 |
int i;
|
|
|
2632 |
|
|
|
2633 |
/* Check interface assumptions */
|
|
|
2634 |
if ( classes == NULL || classCount <= 0 || counts == NULL ) {
|
|
|
2635 |
return AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2636 |
}
|
|
|
2637 |
|
|
|
2638 |
/* Initialize return information */
|
|
|
2639 |
for ( i = 0 ; i < classCount ; i++ ) {
|
|
|
2640 |
counts[i] = (jlong)0;
|
|
|
2641 |
}
|
|
|
2642 |
|
|
|
2643 |
/* Get jvmti environment to use */
|
|
|
2644 |
jvmti = getSpecialJvmti();
|
|
|
2645 |
if ( jvmti == NULL ) {
|
|
|
2646 |
return AGENT_ERROR_INTERNAL;
|
|
|
2647 |
}
|
|
|
2648 |
|
|
|
2649 |
/* Setup class data structure */
|
|
|
2650 |
data.error = JVMTI_ERROR_NONE;
|
|
|
2651 |
data.classCount = classCount;
|
|
|
2652 |
data.counts = counts;
|
|
|
2653 |
|
|
|
2654 |
error = JVMTI_ERROR_NONE;
|
|
|
2655 |
/* Set tags on classes, use index in classes[] as the tag value. */
|
|
|
2656 |
error = JVMTI_ERROR_NONE;
|
|
|
2657 |
for ( i = 0 ; i < classCount ; i++ ) {
|
|
|
2658 |
if (classes[i] != NULL) {
|
|
|
2659 |
jlong tag;
|
|
|
2660 |
|
|
|
2661 |
tag = INDEX2CLASSTAG(i);
|
|
|
2662 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, classes[i], tag);
|
|
|
2663 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
2664 |
break;
|
|
|
2665 |
}
|
|
|
2666 |
}
|
|
|
2667 |
}
|
|
|
2668 |
|
|
|
2669 |
/* Traverse heap, two ways to do this for instance counts. */
|
|
|
2670 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2671 |
|
|
|
2672 |
/* Clear out callbacks structure */
|
|
|
2673 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks));
|
|
|
2674 |
|
|
|
2675 |
/* Check debug flags to see how to do this. */
|
|
|
2676 |
if ( (gdata->debugflags & USE_ITERATE_THROUGH_HEAP) == 0 ) {
|
|
|
2677 |
|
|
|
2678 |
/* Using FollowReferences only gives us live objects, but we
|
|
|
2679 |
* need to tag the objects to avoid counting them twice since
|
|
|
2680 |
* the callback is per reference.
|
|
|
2681 |
* The jclass objects have been tagged with their index in the
|
|
|
2682 |
* supplied list, and that tag may flip to negative if it
|
|
|
2683 |
* is also an object of interest.
|
|
|
2684 |
* All other objects being counted that weren't in the
|
|
|
2685 |
* supplied classes list will have a negative classCount
|
|
|
2686 |
* tag value. So all objects counted will have negative tags.
|
|
|
2687 |
* If the absolute tag value is an index in the supplied
|
|
|
2688 |
* list, then it's one of the supplied classes.
|
|
|
2689 |
*/
|
|
|
2690 |
data.negObjTag = -INDEX2CLASSTAG(classCount);
|
|
|
2691 |
|
|
|
2692 |
/* Setup callbacks, only using object reference callback */
|
|
|
2693 |
heap_callbacks.heap_reference_callback = &cbObjectCounterFromRef;
|
|
|
2694 |
|
|
|
2695 |
/* Follow references, no initiating object, tagged classes only */
|
|
|
2696 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences)
|
|
|
2697 |
(jvmti, JVMTI_HEAP_FILTER_CLASS_UNTAGGED,
|
|
|
2698 |
NULL, NULL, &heap_callbacks, &data);
|
|
|
2699 |
|
|
|
2700 |
} else {
|
|
|
2701 |
|
|
|
2702 |
/* Using IterateThroughHeap means that we will visit each object
|
|
|
2703 |
* once, so no special tag tricks here. Just simple counting.
|
|
|
2704 |
* However in this case the object might not be live, so we do
|
|
|
2705 |
* a GC beforehand to make sure we minimize this.
|
|
|
2706 |
*/
|
|
|
2707 |
|
|
|
2708 |
/* FIXUP: Need some kind of trigger here to avoid excessive GC's? */
|
|
|
2709 |
error = JVMTI_FUNC_PTR(jvmti,ForceGarbageCollection)(jvmti);
|
|
|
2710 |
if ( error != JVMTI_ERROR_NONE ) {
|
|
|
2711 |
|
|
|
2712 |
/* Setup callbacks, just need object callback */
|
|
|
2713 |
heap_callbacks.heap_iteration_callback = &cbObjectCounter;
|
|
|
2714 |
|
|
|
2715 |
/* Iterate through entire heap, tagged classes only */
|
|
|
2716 |
error = JVMTI_FUNC_PTR(jvmti,IterateThroughHeap)
|
|
|
2717 |
(jvmti, JVMTI_HEAP_FILTER_CLASS_UNTAGGED,
|
|
|
2718 |
NULL, &heap_callbacks, &data);
|
|
|
2719 |
|
|
|
2720 |
}
|
|
|
2721 |
}
|
|
|
2722 |
|
|
|
2723 |
/* Use data error if needed */
|
|
|
2724 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2725 |
error = data.error;
|
|
|
2726 |
}
|
|
|
2727 |
|
|
|
2728 |
}
|
|
|
2729 |
|
|
|
2730 |
/* Dispose of any special jvmti environment */
|
|
|
2731 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti);
|
|
|
2732 |
return error;
|
|
|
2733 |
}
|
|
|
2734 |
|
|
|
2735 |
/* ********************************************************************* */
|
|
|
2736 |
/* Referrers */
|
|
|
2737 |
|
|
|
2738 |
/* Structure to hold object referrer heap traversal data (arg user_data) */
|
|
|
2739 |
typedef struct ReferrerData {
|
|
|
2740 |
int refCount;
|
|
|
2741 |
int maxObjects;
|
|
|
2742 |
jlong refTag;
|
|
|
2743 |
jlong objTag;
|
|
|
2744 |
jboolean selfRef;
|
|
|
2745 |
jvmtiError error;
|
|
|
2746 |
} ReferrerData;
|
|
|
2747 |
|
|
|
2748 |
/* Callback for referrers object tagging (heap_reference_callback). */
|
|
|
2749 |
static jint JNICALL
|
|
|
2750 |
cbObjectTagReferrer(jvmtiHeapReferenceKind reference_kind,
|
|
|
2751 |
const jvmtiHeapReferenceInfo* reference_info, jlong class_tag,
|
|
|
2752 |
jlong referrer_class_tag, jlong size,
|
|
|
2753 |
jlong* tag_ptr, jlong* referrer_tag_ptr, jint length, void* user_data)
|
|
|
2754 |
{
|
|
|
2755 |
ReferrerData *data;
|
|
|
2756 |
|
|
|
2757 |
/* Check data structure */
|
|
|
2758 |
data = (ReferrerData*)user_data;
|
|
|
2759 |
if (data == NULL) {
|
|
|
2760 |
data->error = AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2761 |
return JVMTI_VISIT_ABORT;
|
|
|
2762 |
}
|
|
|
2763 |
|
|
|
2764 |
/* If we have tagged enough objects, just abort */
|
|
|
2765 |
if ( data->maxObjects != 0 && data->refCount >= data->maxObjects ) {
|
|
|
2766 |
return JVMTI_VISIT_ABORT;
|
|
|
2767 |
}
|
|
|
2768 |
|
|
|
2769 |
/* If not of interest, just continue */
|
|
|
2770 |
if ( (*tag_ptr) != data->objTag ) {
|
|
|
2771 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2772 |
}
|
|
|
2773 |
|
|
|
2774 |
/* Self reference that we haven't counted? */
|
|
|
2775 |
if ( tag_ptr == referrer_tag_ptr ) {
|
|
|
2776 |
if ( data->selfRef == JNI_FALSE ) {
|
|
|
2777 |
data->selfRef = JNI_TRUE;
|
|
|
2778 |
data->refCount++;
|
|
|
2779 |
}
|
|
|
2780 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2781 |
}
|
|
|
2782 |
|
|
|
2783 |
/* If the referrer can be tagged, and hasn't been tagged, tag it */
|
|
|
2784 |
if ( referrer_tag_ptr != NULL ) {
|
|
|
2785 |
if ( (*referrer_tag_ptr) == (jlong)0 ) {
|
|
|
2786 |
*referrer_tag_ptr = data->refTag;
|
|
|
2787 |
data->refCount++;
|
|
|
2788 |
}
|
|
|
2789 |
}
|
|
|
2790 |
return JVMTI_VISIT_OBJECTS;
|
|
|
2791 |
}
|
|
|
2792 |
|
|
|
2793 |
/* Heap traversal to find referrers of an object */
|
|
|
2794 |
jvmtiError
|
|
|
2795 |
objectReferrers(jobject obj, ObjectBatch *referrers, int maxObjects)
|
|
|
2796 |
{
|
|
|
2797 |
jvmtiHeapCallbacks heap_callbacks;
|
|
|
2798 |
ReferrerData data;
|
|
|
2799 |
jvmtiError error;
|
|
|
2800 |
jvmtiEnv *jvmti;
|
|
|
2801 |
|
|
|
2802 |
/* Check interface assumptions */
|
|
|
2803 |
if (obj == NULL) {
|
|
|
2804 |
return AGENT_ERROR_INVALID_OBJECT;
|
|
|
2805 |
}
|
|
|
2806 |
if (referrers == NULL || maxObjects < 0 ) {
|
|
|
2807 |
return AGENT_ERROR_ILLEGAL_ARGUMENT;
|
|
|
2808 |
}
|
|
|
2809 |
|
|
|
2810 |
/* Initialize return information */
|
|
|
2811 |
referrers->count = 0;
|
|
|
2812 |
referrers->objects = NULL;
|
|
|
2813 |
|
|
|
2814 |
/* Get jvmti environment to use */
|
|
|
2815 |
jvmti = getSpecialJvmti();
|
|
|
2816 |
if ( jvmti == NULL ) {
|
|
|
2817 |
return AGENT_ERROR_INTERNAL;
|
|
|
2818 |
}
|
|
|
2819 |
|
|
|
2820 |
/* Fill in the data structure passed around the callbacks */
|
|
|
2821 |
data.refCount = 0;
|
|
|
2822 |
data.maxObjects = maxObjects;
|
|
|
2823 |
data.objTag = (jlong)1;
|
|
|
2824 |
data.refTag = (jlong)2;
|
|
|
2825 |
data.selfRef = JNI_FALSE;
|
|
|
2826 |
data.error = JVMTI_ERROR_NONE;
|
|
|
2827 |
|
|
|
2828 |
/* Tag the object of interest */
|
|
|
2829 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, obj, data.objTag);
|
|
|
2830 |
|
|
|
2831 |
/* No need to go any further if we can't tag the object */
|
|
|
2832 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2833 |
|
|
|
2834 |
/* Clear out callbacks structure */
|
|
|
2835 |
(void)memset(&heap_callbacks,0,sizeof(heap_callbacks));
|
|
|
2836 |
|
|
|
2837 |
/* Setup callbacks we want */
|
|
|
2838 |
heap_callbacks.heap_reference_callback = &cbObjectTagReferrer;
|
|
|
2839 |
|
|
|
2840 |
/* Follow references, no initiating object, all classes, 1 tagged objs */
|
|
|
2841 |
error = JVMTI_FUNC_PTR(jvmti,FollowReferences)
|
|
|
2842 |
(jvmti, JVMTI_HEAP_FILTER_UNTAGGED,
|
|
|
2843 |
NULL, NULL, &heap_callbacks, &data);
|
|
|
2844 |
|
|
|
2845 |
/* Use data error if needed */
|
|
|
2846 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2847 |
error = data.error;
|
|
|
2848 |
}
|
|
|
2849 |
|
|
|
2850 |
}
|
|
|
2851 |
|
|
|
2852 |
/* Watch out for self-reference */
|
|
|
2853 |
if ( error == JVMTI_ERROR_NONE && data.selfRef == JNI_TRUE ) {
|
|
|
2854 |
/* Tag itself as a referer */
|
|
|
2855 |
error = JVMTI_FUNC_PTR(jvmti,SetTag) (jvmti, obj, data.refTag);
|
|
|
2856 |
}
|
|
|
2857 |
|
|
|
2858 |
/* Get the jobjects for the tagged referrer objects. */
|
|
|
2859 |
if ( error == JVMTI_ERROR_NONE ) {
|
|
|
2860 |
error = JVMTI_FUNC_PTR(jvmti,GetObjectsWithTags)
|
|
|
2861 |
(jvmti, 1, &(data.refTag), &(referrers->count),
|
|
|
2862 |
&(referrers->objects), NULL);
|
|
|
2863 |
/* Verify we got the count we expected */
|
|
|
2864 |
if ( data.refCount != referrers->count ) {
|
|
|
2865 |
error = AGENT_ERROR_INTERNAL;
|
|
|
2866 |
}
|
|
|
2867 |
}
|
|
|
2868 |
|
|
|
2869 |
/* Dispose of any special jvmti environment */
|
|
|
2870 |
(void)JVMTI_FUNC_PTR(jvmti,DisposeEnvironment)(jvmti);
|
|
|
2871 |
return error;
|
|
|
2872 |
}
|