795
796 return features_string;
797 WB_END
798
799
800 WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
801 ResourceMark rm(THREAD);
802 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
803 CHECK_JNI_EXCEPTION_(env, NULL);
804 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
805 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
806 jobjectArray result = NULL;
807 if (code == NULL) {
808 return result;
809 }
810 int insts_size = code->insts_size();
811
812 ThreadToNativeFromVM ttn(thread);
813 jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string());
814 CHECK_JNI_EXCEPTION_(env, NULL);
815 result = env->NewObjectArray(2, clazz, NULL);
816 if (result == NULL) {
817 return result;
818 }
819
820 jobject obj = integerBox(thread, env, code->comp_level());
821 CHECK_JNI_EXCEPTION_(env, NULL);
822 env->SetObjectArrayElement(result, 0, obj);
823
824 jbyteArray insts = env->NewByteArray(insts_size);
825 CHECK_JNI_EXCEPTION_(env, NULL);
826 env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin());
827 env->SetObjectArrayElement(result, 1, insts);
828
829 return result;
830 WB_END
831
832 WB_ENTRY(jlong, WB_GetThreadStackSize(JNIEnv* env, jobject o))
833 return (jlong) Thread::current()->stack_size();
834 WB_END
835
836 WB_ENTRY(jlong, WB_GetThreadRemainingStackSize(JNIEnv* env, jobject o))
837 JavaThread* t = JavaThread::current();
838 return (jlong) t->stack_available(os::current_stack_pointer()) - (jlong) StackShadowPages * os::vm_page_size();
839 WB_END
840
841 int WhiteBox::array_bytes_to_length(size_t bytes) {
842 return Array<u1>::bytes_to_length(bytes);
843 }
844
845 WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size))
846 if (size < 0) {
847 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
848 err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size));
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795
796 return features_string;
797 WB_END
798
799
800 WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jboolean is_osr))
801 ResourceMark rm(THREAD);
802 jmethodID jmid = reflected_method_to_jmid(thread, env, method);
803 CHECK_JNI_EXCEPTION_(env, NULL);
804 methodHandle mh(THREAD, Method::checked_resolve_jmethod_id(jmid));
805 nmethod* code = is_osr ? mh->lookup_osr_nmethod_for(InvocationEntryBci, CompLevel_none, false) : mh->code();
806 jobjectArray result = NULL;
807 if (code == NULL) {
808 return result;
809 }
810 int insts_size = code->insts_size();
811
812 ThreadToNativeFromVM ttn(thread);
813 jclass clazz = env->FindClass(vmSymbols::java_lang_Object()->as_C_string());
814 CHECK_JNI_EXCEPTION_(env, NULL);
815 result = env->NewObjectArray(3, clazz, NULL);
816 if (result == NULL) {
817 return result;
818 }
819
820 jobject level = integerBox(thread, env, code->comp_level());
821 CHECK_JNI_EXCEPTION_(env, NULL);
822 env->SetObjectArrayElement(result, 0, level);
823
824 jbyteArray insts = env->NewByteArray(insts_size);
825 CHECK_JNI_EXCEPTION_(env, NULL);
826 env->SetByteArrayRegion(insts, 0, insts_size, (jbyte*) code->insts_begin());
827 env->SetObjectArrayElement(result, 1, insts);
828
829 jobject id = integerBox(thread, env, code->compile_id());
830 CHECK_JNI_EXCEPTION_(env, NULL);
831 env->SetObjectArrayElement(result, 2, id);
832
833 return result;
834 WB_END
835
836 WB_ENTRY(jlong, WB_GetThreadStackSize(JNIEnv* env, jobject o))
837 return (jlong) Thread::current()->stack_size();
838 WB_END
839
840 WB_ENTRY(jlong, WB_GetThreadRemainingStackSize(JNIEnv* env, jobject o))
841 JavaThread* t = JavaThread::current();
842 return (jlong) t->stack_available(os::current_stack_pointer()) - (jlong) StackShadowPages * os::vm_page_size();
843 WB_END
844
845 int WhiteBox::array_bytes_to_length(size_t bytes) {
846 return Array<u1>::bytes_to_length(bytes);
847 }
848
849 WB_ENTRY(jlong, WB_AllocateMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong size))
850 if (size < 0) {
851 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
852 err_msg("WB_AllocateMetaspace: size is negative: " JLONG_FORMAT, size));
|