2006-07-20 21:30:30 +02:00
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// jvmti.cc - JVMTI implementation
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/* Copyright (C) 2006 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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2006-08-03 19:13:51 +02:00
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#include <platform.h>
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2006-07-20 21:30:30 +02:00
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#include <jvm.h>
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2006-07-22 01:45:03 +02:00
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#include <java-threads.h>
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#include <java-gc.h>
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2006-07-20 21:30:30 +02:00
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#include <jvmti.h>
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2006-08-05 05:17:07 +02:00
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#include <gcj/method.h>
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2006-08-03 19:13:51 +02:00
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#include <gnu/classpath/SystemProperties.h>
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#include <gnu/gcj/runtime/BootClassLoader.h>
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#include <java/lang/Class.h>
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#include <java/lang/ClassLoader.h>
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2006-09-01 19:42:23 +02:00
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#include <java/lang/Object.h>
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2006-07-22 01:45:03 +02:00
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#include <java/lang/Thread.h>
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2006-08-03 19:13:51 +02:00
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#include <java/lang/Throwable.h>
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#include <java/lang/VMClassLoader.h>
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#include <java/lang/reflect/Field.h>
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#include <java/lang/reflect/Modifier.h>
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#include <java/util/Collection.h>
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#include <java/util/HashMap.h>
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#include <java/net/URL.h>
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extern struct JNINativeInterface _Jv_JNIFunctions;
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struct _Jv_rawMonitorID
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{
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_Jv_Mutex_t mutex;
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_Jv_ConditionVariable_t condition;
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};
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2006-07-22 01:45:03 +02:00
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2006-09-01 19:42:23 +02:00
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/* A simple linked list of all JVMTI environments. Since
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events must be delivered to environments in the order
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in which the environments were created, new environments
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are added to the end of the list. */
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struct jvmti_env_list
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{
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jvmtiEnv *env;
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struct jvmti_env_list *next;
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};
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static struct jvmti_env_list *_jvmtiEnvironments = NULL;
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static java::lang::Object *_envListLock = NULL;
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#define FOREACH_ENVIRONMENT(Ele) \
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for (Ele = _jvmtiEnvironments; Ele != NULL; Ele = Ele->next)
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2006-07-22 01:45:03 +02:00
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// Some commonly-used checks
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2006-09-20 01:12:17 +02:00
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#define THREAD_DEFAULT_TO_CURRENT(Ajthread) \
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2006-09-01 19:58:22 +02:00
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do \
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{ \
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2006-09-20 01:12:17 +02:00
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if (Ajthread == NULL) \
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Ajthread = java::lang::Thread::currentThread (); \
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2006-09-01 19:58:22 +02:00
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} \
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while (0)
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2006-07-22 01:45:03 +02:00
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2006-09-20 01:12:17 +02:00
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#define THREAD_CHECK_VALID(Athread) \
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2006-09-01 19:58:22 +02:00
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do \
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{ \
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2006-09-20 01:12:17 +02:00
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if (!java::lang::Thread::class$.isAssignableFrom (&(Athread->class$))) \
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2006-09-01 19:58:22 +02:00
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return JVMTI_ERROR_INVALID_THREAD; \
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} \
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while (0)
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2006-09-20 01:12:17 +02:00
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#define THREAD_CHECK_IS_ALIVE(Athread) \
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2006-09-01 19:58:22 +02:00
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do \
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{ \
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2006-09-20 01:12:17 +02:00
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if (!Athread->isAlive ()) \
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2006-09-01 19:58:22 +02:00
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return JVMTI_ERROR_THREAD_NOT_ALIVE; \
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} \
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while (0)
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2006-07-22 01:45:03 +02:00
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2006-08-03 19:13:51 +02:00
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// FIXME: if current phase is not set in Phases,
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// return JVMTI_ERROR_WRONG_PHASE
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#define REQUIRE_PHASE(Env, Phases)
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2006-09-01 19:58:22 +02:00
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#define NULL_CHECK(Ptr) \
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do \
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{ \
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if (Ptr == NULL) \
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return JVMTI_ERROR_NULL_POINTER; \
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} \
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while (0)
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#define ILLEGAL_ARGUMENT(Cond) \
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do \
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{ \
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if ((Cond)) \
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return JVMTI_ERROR_ILLEGAL_ARGUMENT; \
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} \
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while (0)
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2006-09-01 19:42:23 +02:00
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2006-07-24 01:59:24 +02:00
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static jvmtiError JNICALL
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2006-07-22 01:45:03 +02:00
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_Jv_JVMTI_SuspendThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
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{
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using namespace java::lang;
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THREAD_DEFAULT_TO_CURRENT (thread);
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2006-09-20 01:12:17 +02:00
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2006-07-22 01:45:03 +02:00
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Thread *t = reinterpret_cast<Thread *> (thread);
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2006-09-20 01:12:17 +02:00
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THREAD_CHECK_VALID (t);
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THREAD_CHECK_IS_ALIVE (t);
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_Jv_Thread_t *data = _Jv_ThreadGetData (t);
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_Jv_SuspendThread (data);
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return JVMTI_ERROR_NONE;
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}
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2006-07-24 01:59:24 +02:00
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static jvmtiError JNICALL
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2006-07-22 01:45:03 +02:00
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_Jv_JVMTI_ResumeThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
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{
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using namespace java::lang;
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THREAD_DEFAULT_TO_CURRENT (thread);
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Thread *t = reinterpret_cast<Thread *> (thread);
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2006-09-20 01:12:17 +02:00
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THREAD_CHECK_VALID (t);
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2006-07-22 01:45:03 +02:00
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THREAD_CHECK_IS_ALIVE (t);
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_Jv_Thread_t *data = _Jv_ThreadGetData (t);
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_Jv_ResumeThread (data);
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return JVMTI_ERROR_NONE;
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}
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2006-08-03 19:13:51 +02:00
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static jvmtiError JNICALL
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_Jv_JVMTI_InterruptThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
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{
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using namespace java::lang;
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REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
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// FIXME: capability handling? 'can_signal_thread'
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if (thread == NULL)
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return JVMTI_ERROR_INVALID_THREAD;
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2006-09-20 01:12:17 +02:00
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2006-08-03 19:13:51 +02:00
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Thread *real_thread = reinterpret_cast<Thread *> (thread);
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2006-09-20 01:12:17 +02:00
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THREAD_CHECK_VALID (real_thread);
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2006-08-03 19:13:51 +02:00
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THREAD_CHECK_IS_ALIVE (real_thread);
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real_thread->interrupt();
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_CreateRawMonitor (MAYBE_UNUSED jvmtiEnv *env, const char *name,
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jrawMonitorID *result)
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_ONLOAD | JVMTI_PHASE_LIVE);
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NULL_CHECK (name);
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NULL_CHECK (result);
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*result = (jrawMonitorID) _Jv_Malloc (sizeof (_Jv_rawMonitorID));
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_Jv_MutexInit (&(*result)->mutex);
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_Jv_CondInit (&(*result)->condition);
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_DestroyRawMonitor (MAYBE_UNUSED jvmtiEnv *env, jrawMonitorID monitor)
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_ONLOAD | JVMTI_PHASE_LIVE);
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// Note we have no better way of knowing whether this object is
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// really a raw monitor.
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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// FIXME: perform checks on monitor, release it if this thread owns
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// it.
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#ifdef _Jv_HaveMutexDestroy
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_Jv_MutexDestroy (&monitor->mutex);
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#endif
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_Jv_Free (monitor);
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_RawMonitorEnter (MAYBE_UNUSED jvmtiEnv *env, jrawMonitorID monitor)
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{
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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_Jv_MutexLock (&monitor->mutex);
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_RawMonitorExit (MAYBE_UNUSED jvmtiEnv *env, jrawMonitorID monitor)
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{
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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if (_Jv_MutexUnlock (&monitor->mutex))
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return JVMTI_ERROR_NOT_MONITOR_OWNER;
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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2006-09-01 00:56:23 +02:00
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_Jv_JVMTI_RawMonitorWait (MAYBE_UNUSED jvmtiEnv *env, jrawMonitorID monitor,
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jlong millis)
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2006-08-03 19:13:51 +02:00
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{
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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2006-09-01 00:56:23 +02:00
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int r = _Jv_CondWait (&monitor->condition, &monitor->mutex, millis, 0);
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2006-08-03 19:13:51 +02:00
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if (r == _JV_NOT_OWNER)
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return JVMTI_ERROR_NOT_MONITOR_OWNER;
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if (r == _JV_INTERRUPTED)
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return JVMTI_ERROR_INTERRUPT;
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_RawMonitorNotify (MAYBE_UNUSED jvmtiEnv *env, jrawMonitorID monitor)
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{
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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if (_Jv_CondNotify (&monitor->condition, &monitor->mutex) == _JV_NOT_OWNER)
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return JVMTI_ERROR_NOT_MONITOR_OWNER;
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_RawMonitorNotifyAll (MAYBE_UNUSED jvmtiEnv *env,
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jrawMonitorID monitor)
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{
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if (monitor == NULL)
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return JVMTI_ERROR_INVALID_MONITOR;
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if (_Jv_CondNotifyAll (&monitor->condition, &monitor->mutex)
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== _JV_NOT_OWNER)
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return JVMTI_ERROR_NOT_MONITOR_OWNER;
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_Allocate (MAYBE_UNUSED jvmtiEnv *env, jlong size,
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unsigned char **result)
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{
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2006-09-01 19:42:23 +02:00
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ILLEGAL_ARGUMENT (size < 0);
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2006-08-03 19:13:51 +02:00
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NULL_CHECK (result);
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if (size == 0)
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*result = NULL;
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else
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{
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*result = (unsigned char *) _Jv_MallocUnchecked (size);
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if (*result == NULL)
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return JVMTI_ERROR_OUT_OF_MEMORY;
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}
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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_Jv_JVMTI_Deallocate (MAYBE_UNUSED jvmtiEnv *env, unsigned char *mem)
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{
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if (mem != NULL)
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_Jv_Free (mem);
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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2006-08-05 03:28:36 +02:00
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_Jv_JVMTI_GetClassModifiers (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
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jint *mods)
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2006-08-03 19:13:51 +02:00
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
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// Don't bother checking KLASS' type.
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if (klass == NULL)
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return JVMTI_ERROR_INVALID_CLASS;
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NULL_CHECK (mods);
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*mods = klass->getModifiers();
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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2006-08-05 03:28:36 +02:00
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_Jv_JVMTI_GetClassMethods (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
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jint *count_ptr, jmethodID **methods_ptr)
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2006-08-03 19:13:51 +02:00
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
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// FIXME: capability can_maintain_original_method_order
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// Don't bother checking KLASS' type.
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if (klass == NULL)
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return JVMTI_ERROR_INVALID_CLASS;
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NULL_CHECK (count_ptr);
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NULL_CHECK (methods_ptr);
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*count_ptr = JvNumMethods(klass);
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*methods_ptr = (jmethodID *) _Jv_Malloc (*count_ptr * sizeof (jmethodID));
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jmethodID start = JvGetFirstMethod (klass);
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for (jint i = 0; i < *count_ptr; ++i)
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// FIXME: correct?
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(*methods_ptr)[i] = start + i;
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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2006-08-05 03:28:36 +02:00
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_Jv_JVMTI_IsInterface (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
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jboolean *result)
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2006-08-03 19:13:51 +02:00
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
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if (klass == NULL)
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return JVMTI_ERROR_INVALID_CLASS;
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NULL_CHECK (result);
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*result = klass->isInterface();
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return JVMTI_ERROR_NONE;
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}
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static jvmtiError JNICALL
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2006-08-05 03:28:36 +02:00
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_Jv_JVMTI_IsArrayClass (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
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jboolean *result)
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2006-08-03 19:13:51 +02:00
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{
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REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
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if (klass == NULL)
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return JVMTI_ERROR_INVALID_CLASS;
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NULL_CHECK (result);
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*result = klass->isArray();
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|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetClassLoader (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
|
|
|
|
jobject *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (klass == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_CLASS;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
*result = klass->getClassLoaderInternal();
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetObjectHashCode (MAYBE_UNUSED jvmtiEnv *env, jobject obj,
|
|
|
|
jint *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (obj == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_OBJECT;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
*result = _Jv_HashCode (obj);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetFieldModifiers (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
|
|
|
|
jfieldID field, jint *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (klass == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_CLASS;
|
|
|
|
if (field == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_FIELDID;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
*result = field->getModifiers();
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_IsFieldSynthetic (MAYBE_UNUSED jvmtiEnv *env, jclass klass,
|
|
|
|
jfieldID field, jboolean *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (klass == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_CLASS;
|
|
|
|
if (field == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_FIELDID;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
// FIXME: capability can_get_synthetic_attribute
|
|
|
|
*result = ((field->getModifiers() & java::lang::reflect::Modifier::SYNTHETIC)
|
|
|
|
!= 0);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetMethodModifiers (MAYBE_UNUSED jvmtiEnv *env, jmethodID method,
|
|
|
|
jint *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (method == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_METHODID;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
// FIXME: mask off some internal bits...
|
|
|
|
*result = method->accflags;
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_IsMethodNative (MAYBE_UNUSED jvmtiEnv *env, jmethodID method,
|
|
|
|
jboolean *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (method == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_METHODID;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
*result = ((method->accflags & java::lang::reflect::Modifier::NATIVE) != 0);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_IsMethodSynthetic (MAYBE_UNUSED jvmtiEnv *env, jmethodID method,
|
|
|
|
jboolean *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (method == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_METHODID;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
// FIXME capability can_get_synthetic_attribute
|
|
|
|
|
|
|
|
*result = ((method->accflags & java::lang::reflect::Modifier::SYNTHETIC)
|
|
|
|
!= 0);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetClassLoaderClasses (MAYBE_UNUSED jvmtiEnv *env,
|
2006-08-03 19:13:51 +02:00
|
|
|
jobject init_loader,
|
|
|
|
jint *count_ptr,
|
|
|
|
jclass **result_ptr)
|
|
|
|
{
|
|
|
|
using namespace java::lang;
|
|
|
|
using namespace java::util;
|
|
|
|
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
|
|
|
|
NULL_CHECK (count_ptr);
|
|
|
|
NULL_CHECK (result_ptr);
|
|
|
|
|
|
|
|
ClassLoader *loader = (ClassLoader *) init_loader;
|
|
|
|
if (loader == NULL)
|
|
|
|
loader = VMClassLoader::bootLoader;
|
|
|
|
|
|
|
|
Collection *values = loader->loadedClasses->values();
|
|
|
|
jobjectArray array = values->toArray();
|
|
|
|
*count_ptr = array->length;
|
|
|
|
jobject *elts = elements (array);
|
|
|
|
jclass *result = (jclass *) _Jv_Malloc (*count_ptr * sizeof (jclass));
|
|
|
|
// FIXME: JNI references...
|
|
|
|
memcpy (result, elts, *count_ptr * sizeof (jclass));
|
|
|
|
|
|
|
|
*result_ptr = result;
|
|
|
|
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_ForceGarbageCollection (MAYBE_UNUSED jvmtiEnv *env)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
|
|
|
|
_Jv_RunGC();
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_SetJNIFunctionTable (MAYBE_UNUSED jvmtiEnv *env,
|
2006-08-03 19:13:51 +02:00
|
|
|
const jniNativeInterface *function_table)
|
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
NULL_CHECK (function_table);
|
|
|
|
memcpy (&_Jv_JNIFunctions, function_table, sizeof (jniNativeInterface));
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetJNIFunctionTable (MAYBE_UNUSED jvmtiEnv *env,
|
2006-08-03 19:13:51 +02:00
|
|
|
jniNativeInterface **function_table)
|
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
NULL_CHECK (function_table);
|
|
|
|
*function_table
|
|
|
|
= (jniNativeInterface *) _Jv_Malloc (sizeof (jniNativeInterface));
|
|
|
|
memcpy (*function_table, &_Jv_JNIFunctions, sizeof (jniNativeInterface));
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
2006-07-20 21:30:30 +02:00
|
|
|
|
2006-07-24 01:59:24 +02:00
|
|
|
static jvmtiError JNICALL
|
2006-07-21 00:20:09 +02:00
|
|
|
_Jv_JVMTI_DisposeEnvironment (jvmtiEnv *env)
|
|
|
|
{
|
2006-09-01 19:42:23 +02:00
|
|
|
NULL_CHECK (env);
|
|
|
|
|
|
|
|
if (_jvmtiEnvironments == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_ENVIRONMENT;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
JvSynchronize dummy (_envListLock);
|
|
|
|
if (_jvmtiEnvironments->env == env)
|
|
|
|
{
|
2006-09-20 01:12:17 +02:00
|
|
|
struct jvmti_env_list *next = _jvmtiEnvironments->next;
|
2006-09-01 19:42:23 +02:00
|
|
|
_Jv_Free (_jvmtiEnvironments);
|
2006-09-20 01:12:17 +02:00
|
|
|
_jvmtiEnvironments = next;
|
2006-09-01 19:42:23 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
struct jvmti_env_list *e = _jvmtiEnvironments;
|
|
|
|
while (e->next != NULL && e->next->env != env)
|
|
|
|
e = e->next;
|
|
|
|
if (e->next == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_ENVIRONMENT;
|
|
|
|
|
|
|
|
struct jvmti_env_list *next = e->next->next;
|
|
|
|
_Jv_Free (e->next);
|
|
|
|
e->next = next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-07-21 00:20:09 +02:00
|
|
|
_Jv_Free (env);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
2006-08-03 19:13:51 +02:00
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetSystemProperty (MAYBE_UNUSED jvmtiEnv *env, const char *property,
|
2006-08-03 19:13:51 +02:00
|
|
|
char **result)
|
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_ONLOAD | JVMTI_PHASE_LIVE);
|
|
|
|
NULL_CHECK (property);
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
jstring name = JvNewStringUTF(property);
|
|
|
|
jstring result_str = gnu::classpath::SystemProperties::getProperty(name);
|
|
|
|
|
|
|
|
if (result_str == NULL)
|
|
|
|
return JVMTI_ERROR_NOT_AVAILABLE;
|
|
|
|
|
|
|
|
int len = JvGetStringUTFLength (result_str);
|
|
|
|
*result = (char *) _Jv_Malloc (len + 1);
|
|
|
|
JvGetStringUTFRegion (result_str, 0, result_str->length(), *result);
|
|
|
|
(*result)[len] = '\0';
|
|
|
|
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_SetSystemProperty (MAYBE_UNUSED jvmtiEnv *env, const char *property,
|
2006-08-03 19:13:51 +02:00
|
|
|
const char *value)
|
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_ONLOAD);
|
|
|
|
|
|
|
|
NULL_CHECK (property);
|
|
|
|
if (value == NULL)
|
|
|
|
{
|
|
|
|
// FIXME: When would a property not be writeable?
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
jstring prop_str = JvNewStringUTF(property);
|
|
|
|
jstring value_str = JvNewStringUTF(value);
|
|
|
|
gnu::classpath::SystemProperties::setProperty(prop_str, value_str);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
|
|
|
_Jv_JVMTI_GetTime (MAYBE_UNUSED jvmtiEnv *env, jlong *nanos_ptr)
|
|
|
|
{
|
|
|
|
NULL_CHECK (nanos_ptr);
|
|
|
|
*nanos_ptr = _Jv_platform_nanotime();
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
|
|
|
_Jv_JVMTI_GetAvailableProcessors (MAYBE_UNUSED jvmtiEnv *env,
|
|
|
|
jint *nprocessors_ptr)
|
|
|
|
{
|
|
|
|
NULL_CHECK (nprocessors_ptr);
|
|
|
|
#ifdef _SC_NPROCESSORS_ONLN
|
|
|
|
*nprocessors_ptr = sysconf(_SC_NPROCESSORS_ONLN);
|
|
|
|
#else
|
|
|
|
*nprocessors_ptr = 1;
|
|
|
|
#endif
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_AddToBootstrapClassLoaderSearch (MAYBE_UNUSED jvmtiEnv *env,
|
|
|
|
const char *segment)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
using namespace java::lang;
|
|
|
|
using namespace java::net;
|
|
|
|
using namespace gnu::gcj::runtime;
|
|
|
|
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_ONLOAD);
|
|
|
|
NULL_CHECK (segment);
|
|
|
|
|
|
|
|
jstring str_segment = JvNewStringUTF(segment);
|
|
|
|
URL *url;
|
|
|
|
try
|
|
|
|
{
|
|
|
|
url = new URL(JvNewStringUTF("file"), NULL, str_segment);
|
|
|
|
}
|
|
|
|
catch (jthrowable ignore)
|
|
|
|
{
|
|
|
|
return JVMTI_ERROR_ILLEGAL_ARGUMENT;
|
|
|
|
}
|
|
|
|
|
|
|
|
BootClassLoader *loader = VMClassLoader::bootLoader;
|
|
|
|
// Don't call this too early.
|
|
|
|
// assert (loader != NULL);
|
|
|
|
loader->addURL(url);
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
|
|
|
_Jv_JVMTI_SetVerboseFlag (MAYBE_UNUSED jvmtiEnv *env, jvmtiVerboseFlag flag,
|
|
|
|
jboolean value)
|
|
|
|
{
|
|
|
|
switch (flag)
|
|
|
|
{
|
|
|
|
case JVMTI_VERBOSE_OTHER:
|
|
|
|
case JVMTI_VERBOSE_GC:
|
|
|
|
case JVMTI_VERBOSE_JNI:
|
|
|
|
// Ignore.
|
|
|
|
break;
|
|
|
|
case JVMTI_VERBOSE_CLASS:
|
|
|
|
gcj::verbose_class_flag = value;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return JVMTI_ERROR_ILLEGAL_ARGUMENT;
|
|
|
|
}
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static jvmtiError JNICALL
|
2006-08-05 03:28:36 +02:00
|
|
|
_Jv_JVMTI_GetObjectSize (MAYBE_UNUSED jvmtiEnv *env, jobject object,
|
|
|
|
jlong *result)
|
2006-08-03 19:13:51 +02:00
|
|
|
{
|
|
|
|
REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
|
|
|
|
if (object == NULL)
|
|
|
|
return JVMTI_ERROR_INVALID_OBJECT;
|
|
|
|
NULL_CHECK (result);
|
|
|
|
|
|
|
|
jclass klass = object->getClass();
|
|
|
|
if (klass->isArray())
|
|
|
|
{
|
|
|
|
jclass comp = klass->getComponentType();
|
|
|
|
jint base
|
2006-08-05 03:28:36 +02:00
|
|
|
= (jint) (_Jv_uintptr_t) _Jv_GetArrayElementFromElementType(NULL,
|
|
|
|
klass->getComponentType());
|
2006-08-03 19:13:51 +02:00
|
|
|
// FIXME: correct for primitive types?
|
|
|
|
jint compSize = comp->size();
|
|
|
|
__JArray *array = (__JArray *) object;
|
|
|
|
*result = base + array->length * compSize;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Note that if OBJECT is a String then it may (if
|
|
|
|
// str->data==str) take more space. Do we care?
|
|
|
|
*result = klass->size();
|
|
|
|
}
|
|
|
|
return JVMTI_ERROR_NONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define RESERVED NULL
|
|
|
|
#define UNIMPLEMENTED NULL
|
|
|
|
|
2006-07-20 21:30:30 +02:00
|
|
|
struct _Jv_jvmtiEnv _Jv_JVMTI_Interface =
|
|
|
|
{
|
|
|
|
RESERVED, // reserved1
|
|
|
|
UNIMPLEMENTED, // SetEventNotification
|
|
|
|
RESERVED, // reserved3
|
|
|
|
UNIMPLEMENTED, // GetAllThreads
|
2006-07-22 01:45:03 +02:00
|
|
|
_Jv_JVMTI_SuspendThread, // SuspendThread
|
|
|
|
_Jv_JVMTI_ResumeThread, // ResumeThread
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // StopThread
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_InterruptThread, // InterruptThread
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetThreadInfo
|
|
|
|
UNIMPLEMENTED, // GetOwnedMonitorInfo
|
|
|
|
UNIMPLEMENTED, // GetCurrentContendedMonitor
|
|
|
|
UNIMPLEMENTED, // RunAgentThread
|
|
|
|
UNIMPLEMENTED, // GetTopThreadGroups
|
|
|
|
UNIMPLEMENTED, // GetThreadGroupInfo
|
|
|
|
UNIMPLEMENTED, // GetThreadGroupChildren
|
|
|
|
UNIMPLEMENTED, // GetFrameCount
|
|
|
|
UNIMPLEMENTED, // GetThreadState
|
|
|
|
RESERVED, // reserved18
|
|
|
|
UNIMPLEMENTED, // GetFrameLocation
|
|
|
|
UNIMPLEMENTED, // NotifyPopFrame
|
|
|
|
UNIMPLEMENTED, // GetLocalObject
|
|
|
|
UNIMPLEMENTED, // GetLocalInt
|
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|
|
UNIMPLEMENTED, // GetLocalLong
|
|
|
|
UNIMPLEMENTED, // GetLocalFloat
|
|
|
|
UNIMPLEMENTED, // GetLocalDouble
|
|
|
|
UNIMPLEMENTED, // SetLocalObject
|
|
|
|
UNIMPLEMENTED, // SetLocalInt
|
|
|
|
UNIMPLEMENTED, // SetLocalLong
|
|
|
|
UNIMPLEMENTED, // SetLocalFloat
|
|
|
|
UNIMPLEMENTED, // SetLocalDouble
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_CreateRawMonitor, // CreateRawMonitor
|
|
|
|
_Jv_JVMTI_DestroyRawMonitor, // DestroyRawMonitor
|
|
|
|
_Jv_JVMTI_RawMonitorEnter, // RawMonitorEnter
|
|
|
|
_Jv_JVMTI_RawMonitorExit, // RawMonitorExit
|
|
|
|
_Jv_JVMTI_RawMonitorWait, // RawMonitorWait
|
|
|
|
_Jv_JVMTI_RawMonitorNotify, // RawMonitorNotify
|
|
|
|
_Jv_JVMTI_RawMonitorNotifyAll, // RawMonitorNotifyAll
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // SetBreakpoint
|
2006-08-03 19:13:51 +02:00
|
|
|
UNIMPLEMENTED, // ClearBreakpoint
|
2006-07-20 21:30:30 +02:00
|
|
|
RESERVED, // reserved40
|
|
|
|
UNIMPLEMENTED, // SetFieldAccessWatch
|
|
|
|
UNIMPLEMENTED, // ClearFieldAccessWatch
|
|
|
|
UNIMPLEMENTED, // SetFieldModificationWatch
|
|
|
|
UNIMPLEMENTED, // ClearFieldModificationWatch
|
|
|
|
RESERVED, // reserved45
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_Allocate, // Allocate
|
|
|
|
_Jv_JVMTI_Deallocate, // Deallocate
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetClassSignature
|
|
|
|
UNIMPLEMENTED, // GetClassStatus
|
|
|
|
UNIMPLEMENTED, // GetSourceFileName
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetClassModifiers, // GetClassModifiers
|
|
|
|
_Jv_JVMTI_GetClassMethods, // GetClassMethods
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetClassFields
|
|
|
|
UNIMPLEMENTED, // GetImplementedInterfaces
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_IsInterface, // IsInterface
|
|
|
|
_Jv_JVMTI_IsArrayClass, // IsArrayClass
|
|
|
|
_Jv_JVMTI_GetClassLoader, // GetClassLoader
|
|
|
|
_Jv_JVMTI_GetObjectHashCode, // GetObjectHashCode
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetObjectMonitorUsage
|
|
|
|
UNIMPLEMENTED, // GetFieldName
|
|
|
|
UNIMPLEMENTED, // GetFieldDeclaringClass
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetFieldModifiers, // GetFieldModifiers
|
|
|
|
_Jv_JVMTI_IsFieldSynthetic, // IsFieldSynthetic
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetMethodName
|
|
|
|
UNIMPLEMENTED, // GetMethodDeclaringClass
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetMethodModifiers, // GetMethodModifers
|
2006-07-20 21:30:30 +02:00
|
|
|
RESERVED, // reserved67
|
|
|
|
UNIMPLEMENTED, // GetMaxLocals
|
|
|
|
UNIMPLEMENTED, // GetArgumentsSize
|
|
|
|
UNIMPLEMENTED, // GetLineNumberTable
|
|
|
|
UNIMPLEMENTED, // GetMethodLocation
|
|
|
|
UNIMPLEMENTED, // GetLocalVariableTable
|
|
|
|
RESERVED, // reserved73
|
|
|
|
RESERVED, // reserved74
|
|
|
|
UNIMPLEMENTED, // GetBytecodes
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_IsMethodNative, // IsMethodNative
|
|
|
|
_Jv_JVMTI_IsMethodSynthetic, // IsMethodSynthetic
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetLoadedClasses
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetClassLoaderClasses, // GetClassLoaderClasses
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // PopFrame
|
|
|
|
RESERVED, // reserved81
|
|
|
|
RESERVED, // reserved82
|
|
|
|
RESERVED, // reserved83
|
|
|
|
RESERVED, // reserved84
|
|
|
|
RESERVED, // reserved85
|
|
|
|
RESERVED, // reserved86
|
|
|
|
UNIMPLEMENTED, // RedefineClasses
|
|
|
|
UNIMPLEMENTED, // GetVersionNumber
|
|
|
|
UNIMPLEMENTED, // GetCapabilities
|
|
|
|
UNIMPLEMENTED, // GetSourceDebugExtension
|
|
|
|
UNIMPLEMENTED, // IsMethodObsolete
|
|
|
|
UNIMPLEMENTED, // SuspendThreadList
|
|
|
|
UNIMPLEMENTED, // ResumeThreadList
|
|
|
|
RESERVED, // reserved94
|
|
|
|
RESERVED, // reserved95
|
|
|
|
RESERVED, // reserved96
|
|
|
|
RESERVED, // reserved97
|
|
|
|
RESERVED, // reserved98
|
|
|
|
RESERVED, // reserved99
|
|
|
|
UNIMPLEMENTED, // GetAllStackTraces
|
|
|
|
UNIMPLEMENTED, // GetThreadListStackTraces
|
|
|
|
UNIMPLEMENTED, // GetThreadLocalStorage
|
|
|
|
UNIMPLEMENTED, // SetThreadLocalStorage
|
|
|
|
UNIMPLEMENTED, // GetStackTrace
|
|
|
|
RESERVED, // reserved105
|
|
|
|
UNIMPLEMENTED, // GetTag
|
|
|
|
UNIMPLEMENTED, // SetTag
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_ForceGarbageCollection, // ForceGarbageCollection
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // IterateOverObjectsReachable
|
|
|
|
UNIMPLEMENTED, // IterateOverReachableObjects
|
|
|
|
UNIMPLEMENTED, // IterateOverHeap
|
|
|
|
UNIMPLEMENTED, // IterateOverInstanceOfClass
|
|
|
|
RESERVED, // reserved113
|
|
|
|
UNIMPLEMENTED, // GetObjectsWithTags
|
|
|
|
RESERVED, // reserved115
|
|
|
|
RESERVED, // reserved116
|
|
|
|
RESERVED, // reserved117
|
|
|
|
RESERVED, // reserved118
|
|
|
|
RESERVED, // reserved119
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_SetJNIFunctionTable, // SetJNIFunctionTable
|
|
|
|
_Jv_JVMTI_GetJNIFunctionTable, // GetJNIFunctionTable
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // SetEventCallbacks
|
|
|
|
UNIMPLEMENTED, // GenerateEvents
|
|
|
|
UNIMPLEMENTED, // GetExtensionFunctions
|
|
|
|
UNIMPLEMENTED, // GetExtensionEvents
|
|
|
|
UNIMPLEMENTED, // SetExtensionEventCallback
|
2006-07-21 00:20:09 +02:00
|
|
|
_Jv_JVMTI_DisposeEnvironment, // DisposeEnvironment
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetErrorName
|
|
|
|
UNIMPLEMENTED, // GetJLocationFormat
|
|
|
|
UNIMPLEMENTED, // GetSystemProperties
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetSystemProperty, // GetSystemProperty
|
|
|
|
_Jv_JVMTI_SetSystemProperty, // SetSystemProperty
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetPhase
|
|
|
|
UNIMPLEMENTED, // GetCurrentThreadCpuTimerInfo
|
|
|
|
UNIMPLEMENTED, // GetCurrentThreadCpuTime
|
|
|
|
UNIMPLEMENTED, // GetThreadCpuTimerInfo
|
|
|
|
UNIMPLEMENTED, // GetThreadCpuTime
|
|
|
|
UNIMPLEMENTED, // GetTimerInfo
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetTime, // GetTime
|
2006-07-20 21:30:30 +02:00
|
|
|
UNIMPLEMENTED, // GetPotentialCapabilities
|
|
|
|
RESERVED, // reserved141
|
|
|
|
UNIMPLEMENTED, // AddCapabilities
|
|
|
|
UNIMPLEMENTED, // RelinquishCapabilities
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetAvailableProcessors, // GetAvailableProcessors
|
2006-07-20 21:30:30 +02:00
|
|
|
RESERVED, // reserved145
|
|
|
|
RESERVED, // reserved146
|
|
|
|
UNIMPLEMENTED, // GetEnvironmentLocalStorage
|
|
|
|
UNIMPLEMENTED, // SetEnvironmentLocalStorage
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_AddToBootstrapClassLoaderSearch, // AddToBootstrapClassLoaderSearch
|
|
|
|
_Jv_JVMTI_SetVerboseFlag, // SetVerboseFlag
|
2006-07-20 21:30:30 +02:00
|
|
|
RESERVED, // reserved151
|
|
|
|
RESERVED, // reserved152
|
|
|
|
RESERVED, // reserved153
|
2006-08-03 19:13:51 +02:00
|
|
|
_Jv_JVMTI_GetObjectSize // GetObjectSize
|
2006-07-20 21:30:30 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
_Jv_JVMTIEnv *
|
|
|
|
_Jv_GetJVMTIEnv (void)
|
|
|
|
{
|
|
|
|
_Jv_JVMTIEnv *env
|
|
|
|
= (_Jv_JVMTIEnv *) _Jv_MallocUnchecked (sizeof (_Jv_JVMTIEnv));
|
|
|
|
env->p = &_Jv_JVMTI_Interface;
|
2006-09-01 19:42:23 +02:00
|
|
|
|
|
|
|
{
|
|
|
|
JvSynchronize dummy (_envListLock);
|
|
|
|
struct jvmti_env_list *element
|
|
|
|
= (struct jvmti_env_list *) _Jv_MallocUnchecked (sizeof (struct jvmti_env_list));
|
|
|
|
element->env = env;
|
|
|
|
element->next = NULL;
|
|
|
|
|
|
|
|
if (_jvmtiEnvironments == NULL)
|
|
|
|
_jvmtiEnvironments = element;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
struct jvmti_env_list *e;
|
|
|
|
for (e = _jvmtiEnvironments; e->next != NULL; e = e->next)
|
|
|
|
;
|
|
|
|
e->next = element;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-07-20 21:30:30 +02:00
|
|
|
return env;
|
|
|
|
}
|
2006-09-01 19:42:23 +02:00
|
|
|
|
|
|
|
void
|
|
|
|
_Jv_JVMTI_Init ()
|
|
|
|
{
|
|
|
|
_jvmtiEnvironments = NULL;
|
|
|
|
_envListLock = new java::lang::Object ();
|
|
|
|
}
|