#include <java/lang/OutOfMemoryError.h>
#include <java/lang/Thread.h>
#include <java/lang/ThreadGroup.h>
+#include <java/lang/Thread$State.h>
#include <java/lang/Throwable.h>
#include <java/lang/VMClassLoader.h>
#include <java/lang/reflect/Field.h>
return JVMTI_ERROR_NONE;
}
+// This method performs the common tasks to get and set variables of all types.
+// It is called by the _Jv_JVMTI_Get/SetLocalInt/Object/.... methods.
+static jvmtiError
+getLocalFrame (jvmtiEnv *env, jthread thread, jint depth, jint slot, char type,
+ _Jv_InterpFrame **iframe)
+{
+ using namespace java::lang;
+
+ REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
+
+ ILLEGAL_ARGUMENT (depth < 0);
+
+ THREAD_DEFAULT_TO_CURRENT (thread);
+ THREAD_CHECK_VALID (thread);
+ THREAD_CHECK_IS_ALIVE (thread);
+
+ _Jv_Frame *frame = reinterpret_cast<_Jv_Frame *> (thread->frame);
+
+ for (int i = 0; i < depth; i++)
+ {
+ frame = frame->next;
+
+ if (frame == NULL)
+ return JVMTI_ERROR_NO_MORE_FRAMES;
+ }
+
+ if (frame->frame_type == frame_native)
+ return JVMTI_ERROR_OPAQUE_FRAME;
+
+ jint max_locals;
+ jvmtiError jerr = env->GetMaxLocals (reinterpret_cast<jmethodID>
+ (frame->self->get_method ()),
+ &max_locals);
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ _Jv_InterpFrame *tmp_iframe = reinterpret_cast<_Jv_InterpFrame *> (frame);
+
+ // The second slot taken up by a long type is marked as type 'x' meaning it
+ // is not valid for access since it holds only the 4 low bytes of the value.
+ if (tmp_iframe->locals_type[slot] == 'x')
+ return JVMTI_ERROR_INVALID_SLOT;
+
+ if (tmp_iframe->locals_type[slot] != type)
+ return JVMTI_ERROR_TYPE_MISMATCH;
+
+ // Check for invalid slots, if the type is a long type, we must check that
+ // the next slot is valid as well.
+ if (slot < 0 || slot >= max_locals
+ || ((type == 'l' || type == 'd') && slot + 1 >= max_locals))
+ return JVMTI_ERROR_INVALID_SLOT;
+
+ *iframe = tmp_iframe;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_GetLocalObject (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jobject *value)
+{
+ NULL_CHECK (value);
+
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'o', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ *value = frame->locals[slot].o;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_SetLocalObject (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jobject value)
+{
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'o', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ frame->locals[slot].o = value;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_GetLocalInt (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jint *value)
+{
+ NULL_CHECK (value);
+
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'i', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ *value = frame->locals[slot].i;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_SetLocalInt (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jint value)
+{
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'i', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ frame->locals[slot].i = value;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_GetLocalLong (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jlong *value)
+{
+ NULL_CHECK (value);
+
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'l', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+#if SIZEOF_VOID_P==8
+ *value = frame->locals[slot].l;
+#else
+ _Jv_word2 val;
+ val.ia[0] = frame->locals[slot].ia[0];
+ val.ia[1] = frame->locals[slot + 1].ia[0];
+ *value = val.l;
+#endif
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_SetLocalLong (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jlong value)
+{
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'l', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+#if SIZEOF_VOID_P==8
+ frame->locals[slot].l = value;
+#else
+ _Jv_word2 val;
+ val.l = value;
+ frame->locals[slot].ia[0] = val.ia[0];
+ frame->locals[slot + 1].ia[0] = val.ia[1];
+#endif
+
+ return JVMTI_ERROR_NONE;
+}
+
+
+static jvmtiError JNICALL
+_Jv_JVMTI_GetLocalFloat (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jfloat *value)
+{
+ NULL_CHECK (value);
+
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'f', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ *value = frame->locals[slot].f;
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_SetLocalFloat (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jfloat value)
+{
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'f', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ frame->locals[slot].f = value;
+
+ return JVMTI_ERROR_NONE;
+}
+
+
+static jvmtiError JNICALL
+_Jv_JVMTI_GetLocalDouble (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jdouble *value)
+{
+ NULL_CHECK (value);
+
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'd', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+#if SIZEOF_VOID_P==8
+ *value = frame->locals[slot].d;
+#else
+ _Jv_word2 val;
+ val.ia[0] = frame->locals[slot].ia[0];
+ val.ia[1] = frame->locals[slot + 1].ia[0];
+ *value = val.d;
+#endif
+
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
+_Jv_JVMTI_SetLocalDouble (jvmtiEnv *env, jthread thread, jint depth, jint slot,
+ jdouble value)
+{
+ _Jv_InterpFrame *frame;
+ jvmtiError jerr = getLocalFrame (env, thread, depth, slot, 'd', &frame);
+
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+#if SIZEOF_VOID_P==8
+ frame->locals[slot].d = value;
+#else
+ _Jv_word2 val;
+ val.d = value;
+ frame->locals[slot].ia[0] = val.ia[0];
+ frame->locals[slot + 1].ia[0] = val.ia[1];
+#endif
+
+ return JVMTI_ERROR_NONE;
+}
+
static jvmtiError JNICALL
_Jv_JVMTI_GetAllThreads(MAYBE_UNUSED jvmtiEnv *env, jint *thread_cnt,
jthread **threads)
}
static jvmtiError JNICALL
+_Jv_JVMTI_GetThreadState (MAYBE_UNUSED jvmtiEnv *env, jthread thread,
+ jint *thread_state_ptr)
+{
+ REQUIRE_PHASE (env, JVMTI_PHASE_LIVE);
+
+ THREAD_DEFAULT_TO_CURRENT (thread);
+ THREAD_CHECK_VALID (thread);
+ NULL_CHECK (thread_state_ptr);
+
+ jint state = 0;
+ if (thread->isAlive ())
+ {
+ state |= JVMTI_THREAD_STATE_ALIVE;
+
+ _Jv_Thread_t *data = _Jv_ThreadGetData (thread);
+ if (_Jv_IsThreadSuspended (data))
+ state |= JVMTI_THREAD_STATE_SUSPENDED;
+
+ if (thread->isInterrupted ())
+ state |= JVMTI_THREAD_STATE_INTERRUPTED;
+
+ _Jv_Frame *frame = reinterpret_cast<_Jv_Frame *> (thread->frame);
+ if (frame != NULL && frame->frame_type == frame_native)
+ state |= JVMTI_THREAD_STATE_IN_NATIVE;
+
+ using namespace java::lang;
+ Thread$State *ts = thread->getState ();
+ if (ts == Thread$State::RUNNABLE)
+ state |= JVMTI_THREAD_STATE_RUNNABLE;
+ else if (ts == Thread$State::BLOCKED)
+ state |= JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER;
+ else if (ts == Thread$State::TIMED_WAITING
+ || ts == Thread$State::WAITING)
+ {
+ state |= JVMTI_THREAD_STATE_WAITING;
+ state |= ((ts == Thread$State::WAITING)
+ ? JVMTI_THREAD_STATE_WAITING_INDEFINITELY
+ : JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT);
+
+ /* FIXME: We don't have a way to tell
+ the caller why the thread is suspended,
+ i.e., JVMTI_THREAD_STATE_SLEEPING,
+ JVMTI_THREAD_STATE_PARKED, and
+ JVMTI_THREAD_STATE_IN_OBJECT_WAIT
+ are never set. */
+ }
+ }
+ else
+ {
+ using namespace java::lang;
+ Thread$State *ts = thread->getState ();
+ if (ts == Thread$State::TERMINATED)
+ state |= JVMTI_THREAD_STATE_TERMINATED;
+ }
+
+ *thread_state_ptr = state;
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
_Jv_JVMTI_CreateRawMonitor (MAYBE_UNUSED jvmtiEnv *env, const char *name,
jrawMonitorID *result)
{
table_slot)
>= 0)
{
+ char **str_ptr = &(*locals)[table_slot].name;
jerr = env->Allocate (static_cast<jlong> (strlen (name) + 1),
- reinterpret_cast<unsigned char **>
- (&(*locals)[table_slot].name));
+ reinterpret_cast<unsigned char **> (str_ptr));
if (jerr != JVMTI_ERROR_NONE)
return jerr;
strcpy ((*locals)[table_slot].name, name);
-
- jerr = env->Allocate (static_cast<jlong> (strlen (name) + 1),
- reinterpret_cast<unsigned char **>
- (&(*locals)[table_slot].signature));
+
+ str_ptr = &(*locals)[table_slot].signature;
+ jerr = env->Allocate (static_cast<jlong> (strlen (sig) + 1),
+ reinterpret_cast<unsigned char **> (str_ptr));
if (jerr != JVMTI_ERROR_NONE)
return jerr;
strcpy ((*locals)[table_slot].signature, sig);
-
- jerr = env->Allocate (static_cast<jlong> (strlen (name) + 1),
- reinterpret_cast<unsigned char **>
- (&(*locals)[table_slot].generic_signature));
+
+ str_ptr = &(*locals)[table_slot].generic_signature;
+ jerr = env->Allocate (static_cast<jlong> (strlen (generic_sig) + 1),
+ reinterpret_cast<unsigned char **> (str_ptr));
if (jerr != JVMTI_ERROR_NONE)
return jerr;
strcpy ((*locals)[table_slot].generic_signature, generic_sig);
}
static jvmtiError JNICALL
+_Jv_JVMTI_GetArgumentsSize (jvmtiEnv *env, jmethodID method, jint *size)
+{
+ REQUIRE_PHASE (env, JVMTI_PHASE_START | JVMTI_PHASE_LIVE);
+ NULL_CHECK (size);
+
+ CHECK_FOR_NATIVE_METHOD (method);
+
+ jvmtiError jerr;
+ char *sig;
+ jint num_slots = 0;
+
+ jerr = env->GetMethodName (method, NULL, &sig, NULL);
+ if (jerr != JVMTI_ERROR_NONE)
+ return jerr;
+
+ // If the method is non-static add a slot for the "this" pointer.
+ if ((method->accflags & java::lang::reflect::Modifier::STATIC) == 0)
+ num_slots++;
+
+ for (int i = 0; sig[i] != ')'; i++)
+ {
+ if (sig[i] == 'Z' || sig[i] == 'B' || sig[i] == 'C' || sig[i] == 'S'
+ || sig[i] == 'I' || sig[i] == 'F')
+ num_slots++;
+ else if (sig[i] == 'J' || sig[i] == 'D')
+ {
+ // If this is an array of wide types it uses a single slot
+ if (i > 0 && sig[i - 1] == '[')
+ num_slots++;
+ else
+ num_slots += 2;
+ }
+ else if (sig[i] == 'L')
+ {
+ num_slots++;
+ while (sig[i] != ';')
+ i++;
+ }
+ }
+
+ *size = num_slots;
+ return JVMTI_ERROR_NONE;
+}
+
+static jvmtiError JNICALL
_Jv_JVMTI_GetMethodDeclaringClass (MAYBE_UNUSED jvmtiEnv *env,
jmethodID method,
jclass *declaring_class_ptr)
= static_cast<_Jv_InterpMethod *> (frame->self);
_Jv_InterpFrame *interp_frame
= static_cast<_Jv_InterpFrame *> (frame);
- frames[i].location = imeth->insn_index (interp_frame->pc);
+ frames[i].location = imeth->insn_index (interp_frame->get_pc ());
}
else
frames[i].location = -1;
UNIMPLEMENTED, // GetThreadGroupInfo
UNIMPLEMENTED, // GetThreadGroupChildren
_Jv_JVMTI_GetFrameCount, // GetFrameCount
- UNIMPLEMENTED, // GetThreadState
+ _Jv_JVMTI_GetThreadState, // GetThreadState
RESERVED, // reserved18
UNIMPLEMENTED, // GetFrameLocation
UNIMPLEMENTED, // NotifyPopFrame
- UNIMPLEMENTED, // GetLocalObject
- UNIMPLEMENTED, // GetLocalInt
- UNIMPLEMENTED, // GetLocalLong
- UNIMPLEMENTED, // GetLocalFloat
- UNIMPLEMENTED, // GetLocalDouble
- UNIMPLEMENTED, // SetLocalObject
- UNIMPLEMENTED, // SetLocalInt
- UNIMPLEMENTED, // SetLocalLong
- UNIMPLEMENTED, // SetLocalFloat
- UNIMPLEMENTED, // SetLocalDouble
+ _Jv_JVMTI_GetLocalObject, // GetLocalObject
+ _Jv_JVMTI_GetLocalInt, // GetLocalInt
+ _Jv_JVMTI_GetLocalLong, // GetLocalLong
+ _Jv_JVMTI_GetLocalFloat, // GetLocalFloat
+ _Jv_JVMTI_GetLocalDouble, // GetLocalDouble
+ _Jv_JVMTI_SetLocalObject, // SetLocalObject
+ _Jv_JVMTI_SetLocalInt, // SetLocalInt
+ _Jv_JVMTI_SetLocalLong, // SetLocalLong
+ _Jv_JVMTI_SetLocalFloat, // SetLocalFloat
+ _Jv_JVMTI_SetLocalDouble, // SetLocalDouble
_Jv_JVMTI_CreateRawMonitor, // CreateRawMonitor
_Jv_JVMTI_DestroyRawMonitor, // DestroyRawMonitor
_Jv_JVMTI_RawMonitorEnter, // RawMonitorEnter
_Jv_JVMTI_GetMethodModifiers, // GetMethodModifers
RESERVED, // reserved67
_Jv_JVMTI_GetMaxLocals, // GetMaxLocals
- UNIMPLEMENTED, // GetArgumentsSize
+ _Jv_JVMTI_GetArgumentsSize, // GetArgumentsSize
_Jv_JVMTI_GetLineNumberTable, // GetLineNumberTable
UNIMPLEMENTED, // GetMethodLocation
_Jv_JVMTI_GetLocalVariableTable, // GetLocalVariableTable
{
_Jv_JVMTIEnv *env
= (_Jv_JVMTIEnv *) _Jv_MallocUnchecked (sizeof (_Jv_JVMTIEnv));
+ memset (env, 0, sizeof (_Jv_JVMTIEnv));
env->p = &_Jv_JVMTI_Interface;
struct jvmti_env_list *element
= (struct jvmti_env_list *) _Jv_MallocUnchecked (sizeof (struct jvmti_env_list));
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