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src/hotspot/share/prims/jni.cpp

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 947   result->set_type(args->return_type());
 948 
 949   // Invoke the method. Result is returned as oop.
 950   JavaCalls::call(result, method, &java_args, CHECK);
 951 
 952   // Convert result
 953   if (is_reference_type(result->get_type())) {
 954     result->set_jobject(JNIHandles::make_local(THREAD, result->get_oop()));
 955   }
 956 }
 957 
 958 DT_RETURN_MARK_DECL(AllocObject, jobject
 959                     , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
 960 
 961 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
 962   HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz);
 963 
 964   jobject ret = nullptr;
 965   DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);
 966 
 967   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), CHECK_NULL);
 968   ret = JNIHandles::make_local(THREAD, i);
 969   return ret;
 970 JNI_END
 971 
 972 DT_RETURN_MARK_DECL(NewObjectA, jobject
 973                     , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
 974 
 975 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
 976   HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID);
 977 
 978   jobject obj = nullptr;
 979   DT_RETURN_MARK(NewObjectA, jobject, (const jobject&)obj);
 980 
 981   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), CHECK_NULL);
 982   obj = JNIHandles::make_local(THREAD, i);
 983   JavaValue jvalue(T_VOID);
 984   JNI_ArgumentPusherArray ap(methodID, args);
 985   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
 986   return obj;
 987 JNI_END
 988 
 989 
 990 DT_RETURN_MARK_DECL(NewObjectV, jobject
 991                     , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
 992 
 993 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
 994   HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID);
 995 
 996   jobject obj = nullptr;
 997   DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);
 998 
 999   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), CHECK_NULL);
1000   obj = JNIHandles::make_local(THREAD, i);
1001   JavaValue jvalue(T_VOID);
1002   JNI_ArgumentPusherVaArg ap(methodID, args);
1003   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
1004   return obj;
1005 JNI_END
1006 
1007 
1008 DT_RETURN_MARK_DECL(NewObject, jobject
1009                     , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
1010 
1011 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
1012   HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID);
1013 
1014   jobject obj = nullptr;
1015   DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);
1016 
1017   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), CHECK_NULL);
1018   obj = JNIHandles::make_local(THREAD, i);
1019   va_list args;
1020   va_start(args, methodID);
1021   JavaValue jvalue(T_VOID);
1022   JNI_ArgumentPusherVaArg ap(methodID, args);
1023   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
1024   va_end(args);
1025   return obj;
1026 JNI_END
1027 
1028 
1029 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
1030   HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj);
1031 
1032   Klass* k = JNIHandles::resolve_non_null(obj)->klass();
1033   jclass ret =
1034     (jclass) JNIHandles::make_local(THREAD, k->java_mirror());
1035 
1036   HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret);
1037   return ret;

 947   result->set_type(args->return_type());
 948 
 949   // Invoke the method. Result is returned as oop.
 950   JavaCalls::call(result, method, &java_args, CHECK);
 951 
 952   // Convert result
 953   if (is_reference_type(result->get_type())) {
 954     result->set_jobject(JNIHandles::make_local(THREAD, result->get_oop()));
 955   }
 956 }
 957 
 958 DT_RETURN_MARK_DECL(AllocObject, jobject
 959                     , HOTSPOT_JNI_ALLOCOBJECT_RETURN(_ret_ref));
 960 
 961 JNI_ENTRY(jobject, jni_AllocObject(JNIEnv *env, jclass clazz))
 962   HOTSPOT_JNI_ALLOCOBJECT_ENTRY(env, clazz);
 963 
 964   jobject ret = nullptr;
 965   DT_RETURN_MARK(AllocObject, jobject, (const jobject&)ret);
 966 
 967   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), "jni", CHECK_NULL);
 968   ret = JNIHandles::make_local(THREAD, i);
 969   return ret;
 970 JNI_END
 971 
 972 DT_RETURN_MARK_DECL(NewObjectA, jobject
 973                     , HOTSPOT_JNI_NEWOBJECTA_RETURN(_ret_ref));
 974 
 975 JNI_ENTRY(jobject, jni_NewObjectA(JNIEnv *env, jclass clazz, jmethodID methodID, const jvalue *args))
 976   HOTSPOT_JNI_NEWOBJECTA_ENTRY(env, clazz, (uintptr_t) methodID);
 977 
 978   jobject obj = nullptr;
 979   DT_RETURN_MARK(NewObjectA, jobject, (const jobject&)obj);
 980 
 981   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), "jni", CHECK_NULL);
 982   obj = JNIHandles::make_local(THREAD, i);
 983   JavaValue jvalue(T_VOID);
 984   JNI_ArgumentPusherArray ap(methodID, args);
 985   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
 986   return obj;
 987 JNI_END
 988 
 989 
 990 DT_RETURN_MARK_DECL(NewObjectV, jobject
 991                     , HOTSPOT_JNI_NEWOBJECTV_RETURN(_ret_ref));
 992 
 993 JNI_ENTRY(jobject, jni_NewObjectV(JNIEnv *env, jclass clazz, jmethodID methodID, va_list args))
 994   HOTSPOT_JNI_NEWOBJECTV_ENTRY(env, clazz, (uintptr_t) methodID);
 995 
 996   jobject obj = nullptr;
 997   DT_RETURN_MARK(NewObjectV, jobject, (const jobject&)obj);
 998 
 999   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), "jni", CHECK_NULL);
1000   obj = JNIHandles::make_local(THREAD, i);
1001   JavaValue jvalue(T_VOID);
1002   JNI_ArgumentPusherVaArg ap(methodID, args);
1003   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
1004   return obj;
1005 JNI_END
1006 
1007 
1008 DT_RETURN_MARK_DECL(NewObject, jobject
1009                     , HOTSPOT_JNI_NEWOBJECT_RETURN(_ret_ref));
1010 
1011 JNI_ENTRY(jobject, jni_NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...))
1012   HOTSPOT_JNI_NEWOBJECT_ENTRY(env, clazz, (uintptr_t) methodID);
1013 
1014   jobject obj = nullptr;
1015   DT_RETURN_MARK(NewObject, jobject, (const jobject&)obj);
1016 
1017   instanceOop i = InstanceKlass::allocate_instance(JNIHandles::resolve_non_null(clazz), "jni", CHECK_NULL);
1018   obj = JNIHandles::make_local(THREAD, i);
1019   va_list args;
1020   va_start(args, methodID);
1021   JavaValue jvalue(T_VOID);
1022   JNI_ArgumentPusherVaArg ap(methodID, args);
1023   jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK_NULL);
1024   va_end(args);
1025   return obj;
1026 JNI_END
1027 
1028 
1029 JNI_ENTRY(jclass, jni_GetObjectClass(JNIEnv *env, jobject obj))
1030   HOTSPOT_JNI_GETOBJECTCLASS_ENTRY(env, obj);
1031 
1032   Klass* k = JNIHandles::resolve_non_null(obj)->klass();
1033   jclass ret =
1034     (jclass) JNIHandles::make_local(THREAD, k->java_mirror());
1035 
1036   HOTSPOT_JNI_GETOBJECTCLASS_RETURN(ret);
1037   return ret;
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