libjava/jvmti.cc

   1 // jvmti.cc - JVMTI implementation
   2
   3 /* Copyright (C) 2006 Free Software Foundation
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 #include <config.h>
  12
  13 #include <jvm.h>
  14 #include <java-threads.h>
  15 #include <java-gc.h>
  16 #include <jvmti.h>
  17
  18 #include <java/lang/Thread.h>
  19
  20 // Some commonly-used checks
  21
  22 #define THREAD_DEFAULT_TO_CURRENT(jthread)                              \
  23   if (jthread == NULL) jthread = java::lang::Thread::currentThread ();
  24
  25 #define THREAD_CHECK_VALID(jthread)                                     \
  26   if (!java::lang::Thread::class$.isAssignableFrom (&(jthread->class$))) \
  27     return JVMTI_ERROR_INVALID_THREAD;
  28
  29 #define THREAD_CHECK_IS_ALIVE(thread)                           \
  30   if (!thread->isAlive ()) return JVMTI_ERROR_THREAD_NOT_ALIVE;
  31
  32 static jvmtiError JNICALL
  33 _Jv_JVMTI_SuspendThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
  34 {
  35   using namespace java::lang;
  36
  37   THREAD_DEFAULT_TO_CURRENT (thread);
  38   THREAD_CHECK_VALID (thread);
  39
  40   Thread *t = reinterpret_cast<Thread *> (thread);
  41   THREAD_CHECK_IS_ALIVE (t);
  42
  43   _Jv_Thread_t *data = _Jv_ThreadGetData (t);
  44   _Jv_SuspendThread (data);
  45   return JVMTI_ERROR_NONE;
  46 }
  47
  48 static jvmtiError JNICALL
  49 _Jv_JVMTI_ResumeThread (MAYBE_UNUSED jvmtiEnv *env, jthread thread)
  50 {
  51   using namespace java::lang;
  52
  53   THREAD_DEFAULT_TO_CURRENT (thread);
  54   THREAD_CHECK_VALID (thread);
  55
  56   Thread *t = reinterpret_cast<Thread *> (thread);
  57   THREAD_CHECK_IS_ALIVE (t);
  58
  59   _Jv_Thread_t *data = _Jv_ThreadGetData (t);
  60   _Jv_ResumeThread (data);
  61   return JVMTI_ERROR_NONE;
  62 }
  63
  64 #define RESERVED NULL
  65 #define UNIMPLEMENTED NULL
  66
  67 static jvmtiError JNICALL
  68 _Jv_JVMTI_DisposeEnvironment (jvmtiEnv *env)
  69 {
  70   // All we need to do is free memory allocated by _Jv_GetJVMTIEnv
  71   _Jv_Free (env);
  72   return JVMTI_ERROR_NONE;
  73 }
  74
  75 struct _Jv_jvmtiEnv _Jv_JVMTI_Interface =
  76 {
  77   RESERVED,                     // reserved1
  78   UNIMPLEMENTED,                // SetEventNotification
  79   RESERVED,                     // reserved3
  80   UNIMPLEMENTED,                // GetAllThreads
  81   _Jv_JVMTI_SuspendThread,      // SuspendThread
  82   _Jv_JVMTI_ResumeThread,       // ResumeThread
  83   UNIMPLEMENTED,                // StopThread
  84   UNIMPLEMENTED,                // InterruptThread
  85   UNIMPLEMENTED,                // GetThreadInfo
  86   UNIMPLEMENTED,                // GetOwnedMonitorInfo
  87   UNIMPLEMENTED,                // GetCurrentContendedMonitor
  88   UNIMPLEMENTED,                // RunAgentThread
  89   UNIMPLEMENTED,                // GetTopThreadGroups
  90   UNIMPLEMENTED,                // GetThreadGroupInfo
  91   UNIMPLEMENTED,                // GetThreadGroupChildren
  92   UNIMPLEMENTED,                // GetFrameCount
  93   UNIMPLEMENTED,                // GetThreadState
  94   RESERVED,                     // reserved18
  95   UNIMPLEMENTED,                // GetFrameLocation
  96   UNIMPLEMENTED,                // NotifyPopFrame
  97   UNIMPLEMENTED,                // GetLocalObject
  98   UNIMPLEMENTED,                // GetLocalInt
  99   UNIMPLEMENTED,                // GetLocalLong
 100   UNIMPLEMENTED,                // GetLocalFloat
 101   UNIMPLEMENTED,                // GetLocalDouble
 102   UNIMPLEMENTED,                // SetLocalObject
 103   UNIMPLEMENTED,                // SetLocalInt
 104   UNIMPLEMENTED,                // SetLocalLong
 105   UNIMPLEMENTED,                // SetLocalFloat
 106   UNIMPLEMENTED,                // SetLocalDouble
 107   UNIMPLEMENTED,                // CreateRawMonitor
 108   UNIMPLEMENTED,                // DestroyRawMonitor
 109   UNIMPLEMENTED,                // RawMonitorEnter
 110   UNIMPLEMENTED,                // RawMonitorExit
 111   UNIMPLEMENTED,                // RawMonitorWait
 112   UNIMPLEMENTED,                // RawMonitorNotify
 113   UNIMPLEMENTED,                // RawMonitorNotifyAll
 114   UNIMPLEMENTED,                // SetBreakpoint
 115   UNIMPLEMENTED,                // CleareBreakpoint
 116   RESERVED,                     // reserved40
 117   UNIMPLEMENTED,                // SetFieldAccessWatch
 118   UNIMPLEMENTED,                // ClearFieldAccessWatch
 119   UNIMPLEMENTED,                // SetFieldModificationWatch
 120   UNIMPLEMENTED,                // ClearFieldModificationWatch
 121   RESERVED,                     // reserved45
 122   UNIMPLEMENTED,                // Allocate
 123   UNIMPLEMENTED,                // Deallocate
 124   UNIMPLEMENTED,                // GetClassSignature
 125   UNIMPLEMENTED,                // GetClassStatus
 126   UNIMPLEMENTED,                // GetSourceFileName
 127   UNIMPLEMENTED,                // GetClassModifiers
 128   UNIMPLEMENTED,                // GetClassMethods
 129   UNIMPLEMENTED,                // GetClassFields
 130   UNIMPLEMENTED,                // GetImplementedInterfaces
 131   UNIMPLEMENTED,                // IsInterface
 132   UNIMPLEMENTED,                // IsArrayClass
 133   UNIMPLEMENTED,                // GetClassLoader
 134   UNIMPLEMENTED,                // GetObjectHashCode
 135   UNIMPLEMENTED,                // GetObjectMonitorUsage
 136   UNIMPLEMENTED,                // GetFieldName
 137   UNIMPLEMENTED,                // GetFieldDeclaringClass
 138   UNIMPLEMENTED,                // GetFieldModifiers
 139   UNIMPLEMENTED,                // IsFieldSynthetic
 140   UNIMPLEMENTED,                // GetMethodName
 141   UNIMPLEMENTED,                // GetMethodDeclaringClass
 142   UNIMPLEMENTED,                // GetMethodModiifers
 143   RESERVED,                     // reserved67
 144   UNIMPLEMENTED,                // GetMaxLocals
 145   UNIMPLEMENTED,                // GetArgumentsSize
 146   UNIMPLEMENTED,                // GetLineNumberTable
 147   UNIMPLEMENTED,                // GetMethodLocation
 148   UNIMPLEMENTED,                // GetLocalVariableTable
 149   RESERVED,                     // reserved73
 150   RESERVED,                     // reserved74
 151   UNIMPLEMENTED,                // GetBytecodes
 152   UNIMPLEMENTED,                // IsMethodNative
 153   UNIMPLEMENTED,                // IsMethodSynthetic
 154   UNIMPLEMENTED,                // GetLoadedClasses
 155   UNIMPLEMENTED,                // GetClassLoaderClasses
 156   UNIMPLEMENTED,                // PopFrame
 157   RESERVED,                     // reserved81
 158   RESERVED,                     // reserved82
 159   RESERVED,                     // reserved83
 160   RESERVED,                     // reserved84
 161   RESERVED,                     // reserved85
 162   RESERVED,                     // reserved86
 163   UNIMPLEMENTED,                // RedefineClasses
 164   UNIMPLEMENTED,                // GetVersionNumber
 165   UNIMPLEMENTED,                // GetCapabilities
 166   UNIMPLEMENTED,                // GetSourceDebugExtension
 167   UNIMPLEMENTED,                // IsMethodObsolete
 168   UNIMPLEMENTED,                // SuspendThreadList
 169   UNIMPLEMENTED,                // ResumeThreadList
 170   RESERVED,                     // reserved94
 171   RESERVED,                     // reserved95
 172   RESERVED,                     // reserved96
 173   RESERVED,                     // reserved97
 174   RESERVED,                     // reserved98
 175   RESERVED,                     // reserved99
 176   UNIMPLEMENTED,                // GetAllStackTraces
 177   UNIMPLEMENTED,                // GetThreadListStackTraces
 178   UNIMPLEMENTED,                // GetThreadLocalStorage
 179   UNIMPLEMENTED,                // SetThreadLocalStorage
 180   UNIMPLEMENTED,                // GetStackTrace
 181   RESERVED,                     // reserved105
 182   UNIMPLEMENTED,                // GetTag
 183   UNIMPLEMENTED,                // SetTag
 184   UNIMPLEMENTED,                // ForceGarbageCollection
 185   UNIMPLEMENTED,                // IterateOverObjectsReachable
 186   UNIMPLEMENTED,                // IterateOverReachableObjects
 187   UNIMPLEMENTED,                // IterateOverHeap
 188   UNIMPLEMENTED,                // IterateOverInstanceOfClass
 189   RESERVED,                     // reserved113
 190   UNIMPLEMENTED,                // GetObjectsWithTags
 191   RESERVED,                     // reserved115
 192   RESERVED,                     // reserved116
 193   RESERVED,                     // reserved117
 194   RESERVED,                     // reserved118
 195   RESERVED,                     // reserved119
 196   UNIMPLEMENTED,                // SetJNIFunctionTable
 197   UNIMPLEMENTED,                // GetJNIFunctionTable
 198   UNIMPLEMENTED,                // SetEventCallbacks
 199   UNIMPLEMENTED,                // GenerateEvents
 200   UNIMPLEMENTED,                // GetExtensionFunctions
 201   UNIMPLEMENTED,                // GetExtensionEvents
 202   UNIMPLEMENTED,                // SetExtensionEventCallback
 203   _Jv_JVMTI_DisposeEnvironment, // DisposeEnvironment
 204   UNIMPLEMENTED,                // GetErrorName
 205   UNIMPLEMENTED,                // GetJLocationFormat
 206   UNIMPLEMENTED,                // GetSystemProperties
 207   UNIMPLEMENTED,                // GetSystemProperty
 208   UNIMPLEMENTED,                // SetSystemProperty
 209   UNIMPLEMENTED,                // GetPhase
 210   UNIMPLEMENTED,                // GetCurrentThreadCpuTimerInfo
 211   UNIMPLEMENTED,                // GetCurrentThreadCpuTime
 212   UNIMPLEMENTED,                // GetThreadCpuTimerInfo
 213   UNIMPLEMENTED,                // GetThreadCpuTime
 214   UNIMPLEMENTED,                // GetTimerInfo
 215   UNIMPLEMENTED,                // GetTime
 216   UNIMPLEMENTED,                // GetPotentialCapabilities
 217   RESERVED,                     // reserved141
 218   UNIMPLEMENTED,                // AddCapabilities
 219   UNIMPLEMENTED,                // RelinquishCapabilities
 220   UNIMPLEMENTED,                // GetAvailableProcessors
 221   RESERVED,                     // reserved145
 222   RESERVED,                     // reserved146
 223   UNIMPLEMENTED,                // GetEnvironmentLocalStorage
 224   UNIMPLEMENTED,                // SetEnvironmentLocalStorage
 225   UNIMPLEMENTED,                // AddToBootstrapClassLoaderSearch
 226   UNIMPLEMENTED,                // SetVerboseFlag
 227   RESERVED,                     // reserved151
 228   RESERVED,                     // reserved152
 229   RESERVED,                     // reserved153
 230   UNIMPLEMENTED                 // GetObjectSize
 231 };
 232
 233 _Jv_JVMTIEnv *
 234 _Jv_GetJVMTIEnv (void)
 235 {
 236   _Jv_JVMTIEnv *env
 237     = (_Jv_JVMTIEnv *) _Jv_MallocUnchecked (sizeof (_Jv_JVMTIEnv));
 238   env->p = &_Jv_JVMTI_Interface;
 239   return env;
 240 }