1610 if (vf->is_compiled_frame()) {
1611 // compiled method frame
1612 compiledVFrame* cvf = compiledVFrame::cast(vf);
1613
1614 ScopeDesc* scope = cvf->scope();
1615 // native wrappers do not have a scope
1616 if (scope != nullptr && scope->objects() != nullptr) {
1617 prev_cvf = cvf;
1618
1619 GrowableArray<ScopeValue*>* objects = nullptr;
1620 if (!realloc_called) {
1621 objects = scope->objects();
1622 } else {
1623 // some object might already have been re-allocated, only reallocate the non-allocated ones
1624 objects = get_unallocated_objects_or_null(scope->objects());
1625 }
1626
1627 if (objects != nullptr) {
1628 RegisterMap reg_map(vf->register_map());
1629 bool realloc_failures = Deoptimization::realloc_objects(thread, vf->frame_pointer(), ®_map, objects, CHECK_NULL);
1630 Deoptimization::reassign_fields(vf->frame_pointer(), ®_map, objects, realloc_failures, false);
1631 realloc_called = true;
1632 }
1633
1634 GrowableArray<ScopeValue*>* local_values = scope->locals();
1635 for (int i = 0; i < local_values->length(); i++) {
1636 ScopeValue* value = local_values->at(i);
1637 assert(!value->is_object_merge(), "Should not be.");
1638 if (value->is_object()) {
1639 if (localIsVirtual_h.is_null()) {
1640 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1641 localIsVirtual_h = typeArrayHandle(THREAD, array_oop);
1642 }
1643 localIsVirtual_h->bool_at_put(i, true);
1644 }
1645 }
1646 }
1647
1648 locals = cvf->locals();
1649 frame_number = cvf->vframe_id();
1650 } else {
1861 break;
1862 }
1863 vf = vf->sender();
1864 }
1865
1866 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1867 if (last_frame_number >= virtualFrames->length()) {
1868 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1869 }
1870
1871 // Reallocate the non-escaping objects and restore their fields.
1872 assert (virtualFrames->at(last_frame_number)->scope() != nullptr,"invalid scope");
1873 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1874
1875 if (objects == nullptr) {
1876 // no objects to materialize
1877 return;
1878 }
1879
1880 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1881 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);
1882
1883 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1884 compiledVFrame* cvf = virtualFrames->at(frame_index);
1885
1886 GrowableArray<ScopeValue*>* scopedValues = cvf->scope()->locals();
1887 StackValueCollection* locals = cvf->locals();
1888 if (locals != nullptr) {
1889 for (int i2 = 0; i2 < locals->size(); i2++) {
1890 StackValue* var = locals->at(i2);
1891 assert(!scopedValues->at(i2)->is_object_merge(), "Should not be.");
1892 if (var->type() == T_OBJECT && scopedValues->at(i2)->is_object()) {
1893 jvalue val;
1894 val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()());
1895 cvf->update_local(T_OBJECT, i2, val);
1896 }
1897 }
1898 }
1899
1900 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1901 StackValueCollection* expressions = cvf->expressions();
2189 box_signature, &jargs, CHECK_NULL);
2190 oop hotspot_box = box_result.get_oop();
2191 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
2192 return JVMCIENV->get_jobject(result);
2193 C2V_END
2194
2195 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2196 Klass* klass = UNPACK_PAIR(Klass, klass);
2197 if (klass == nullptr) {
2198 JVMCI_THROW_NULL(NullPointerException);
2199 }
2200 if (!klass->is_instance_klass()) {
2201 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2202 return JVMCIENV->get_jobjectArray(methods);
2203 }
2204
2205 InstanceKlass* iklass = InstanceKlass::cast(klass);
2206 GrowableArray<Method*> constructors_array;
2207 for (int i = 0; i < iklass->methods()->length(); i++) {
2208 Method* m = iklass->methods()->at(i);
2209 if (m->is_object_initializer()) {
2210 constructors_array.append(m);
2211 }
2212 }
2213 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
2214 for (int i = 0; i < constructors_array.length(); i++) {
2215 methodHandle ctor(THREAD, constructors_array.at(i));
2216 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
2217 JVMCIENV->put_object_at(methods, i, method);
2218 }
2219 return JVMCIENV->get_jobjectArray(methods);
2220 C2V_END
2221
2222 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2223 Klass* klass = UNPACK_PAIR(Klass, klass);
2224 if (klass == nullptr) {
2225 JVMCI_THROW_NULL(NullPointerException);
2226 }
2227 if (!klass->is_instance_klass()) {
2228 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2229 return JVMCIENV->get_jobjectArray(methods);
2230 }
2231
2232 InstanceKlass* iklass = InstanceKlass::cast(klass);
2233 GrowableArray<Method*> methods_array;
2234 for (int i = 0; i < iklass->methods()->length(); i++) {
2235 Method* m = iklass->methods()->at(i);
2236 if (!m->is_object_initializer() && !m->is_static_initializer() && !m->is_overpass()) {
2237 methods_array.append(m);
2238 }
2239 }
2240 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
2241 for (int i = 0; i < methods_array.length(); i++) {
2242 methodHandle mh(THREAD, methods_array.at(i));
2243 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
2244 JVMCIENV->put_object_at(methods, i, method);
2245 }
2246 return JVMCIENV->get_jobjectArray(methods);
2247 C2V_END
2248
2249 C2V_VMENTRY_NULL(jobjectArray, getAllMethods, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2250 Klass* klass = UNPACK_PAIR(Klass, klass);
2251 if (klass == nullptr) {
2252 JVMCI_THROW_NULL(NullPointerException);
2253 }
2254 if (!klass->is_instance_klass()) {
2255 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2256 return JVMCIENV->get_jobjectArray(methods);
2956 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2957 JVMCIObject code = JVMCIENV->wrap(code_handle);
2958 CodeBlob* cb = JVMCIENV->get_code_blob(code);
2959 if (cb == nullptr) {
2960 return nullptr;
2961 }
2962 // Make a resource copy of code before the allocation causes a safepoint
2963 int code_size = cb->code_size();
2964 jbyte* code_bytes = NEW_RESOURCE_ARRAY(jbyte, code_size);
2965 memcpy(code_bytes, (jbyte*) cb->code_begin(), code_size);
2966
2967 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2968 JVMCIENV->copy_bytes_from(code_bytes, result, 0, code_size);
2969 return JVMCIENV->get_jbyteArray(result);
2970 C2V_END
2971
2972 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, ARGUMENT_PAIR(method)))
2973 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2974 methodHandle m(THREAD, UNPACK_PAIR(Method, method));
2975 oop executable;
2976 if (m->is_object_initializer()) {
2977 executable = Reflection::new_constructor(m, CHECK_NULL);
2978 } else if (m->is_static_initializer()) {
2979 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2980 "Cannot create java.lang.reflect.Method for class initializer");
2981 } else {
2982 executable = Reflection::new_method(m, false, CHECK_NULL);
2983 }
2984 return JNIHandles::make_local(THREAD, executable);
2985 C2V_END
2986
2987 // Checks that `index` denotes a non-injected field in `klass`
2988 static InstanceKlass* check_field(Klass* klass, jint index, JVMCI_TRAPS) {
2989 if (!klass->is_instance_klass()) {
2990 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2991 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2992 }
2993 InstanceKlass* iklass = InstanceKlass::cast(klass);
2994 if (index < 0 || index >= iklass->java_fields_count()) {
2995 if (index >= 0 && index < iklass->total_fields_count()) {
2996 fieldDescriptor fd(iklass, index);
2997 if (fd.is_injected()) {
2998 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2999 err_msg("Cannot get Field for injected %s.%s", klass->external_name(), fd.name()->as_C_string()));
3000 }
|
1610 if (vf->is_compiled_frame()) {
1611 // compiled method frame
1612 compiledVFrame* cvf = compiledVFrame::cast(vf);
1613
1614 ScopeDesc* scope = cvf->scope();
1615 // native wrappers do not have a scope
1616 if (scope != nullptr && scope->objects() != nullptr) {
1617 prev_cvf = cvf;
1618
1619 GrowableArray<ScopeValue*>* objects = nullptr;
1620 if (!realloc_called) {
1621 objects = scope->objects();
1622 } else {
1623 // some object might already have been re-allocated, only reallocate the non-allocated ones
1624 objects = get_unallocated_objects_or_null(scope->objects());
1625 }
1626
1627 if (objects != nullptr) {
1628 RegisterMap reg_map(vf->register_map());
1629 bool realloc_failures = Deoptimization::realloc_objects(thread, vf->frame_pointer(), ®_map, objects, CHECK_NULL);
1630 Deoptimization::reassign_fields(vf->frame_pointer(), ®_map, objects, realloc_failures, false, CHECK_NULL);
1631 realloc_called = true;
1632 }
1633
1634 GrowableArray<ScopeValue*>* local_values = scope->locals();
1635 for (int i = 0; i < local_values->length(); i++) {
1636 ScopeValue* value = local_values->at(i);
1637 assert(!value->is_object_merge(), "Should not be.");
1638 if (value->is_object()) {
1639 if (localIsVirtual_h.is_null()) {
1640 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
1641 localIsVirtual_h = typeArrayHandle(THREAD, array_oop);
1642 }
1643 localIsVirtual_h->bool_at_put(i, true);
1644 }
1645 }
1646 }
1647
1648 locals = cvf->locals();
1649 frame_number = cvf->vframe_id();
1650 } else {
1861 break;
1862 }
1863 vf = vf->sender();
1864 }
1865
1866 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame);
1867 if (last_frame_number >= virtualFrames->length()) {
1868 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number");
1869 }
1870
1871 // Reallocate the non-escaping objects and restore their fields.
1872 assert (virtualFrames->at(last_frame_number)->scope() != nullptr,"invalid scope");
1873 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();
1874
1875 if (objects == nullptr) {
1876 // no objects to materialize
1877 return;
1878 }
1879
1880 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK);
1881 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false, THREAD);
1882
1883 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
1884 compiledVFrame* cvf = virtualFrames->at(frame_index);
1885
1886 GrowableArray<ScopeValue*>* scopedValues = cvf->scope()->locals();
1887 StackValueCollection* locals = cvf->locals();
1888 if (locals != nullptr) {
1889 for (int i2 = 0; i2 < locals->size(); i2++) {
1890 StackValue* var = locals->at(i2);
1891 assert(!scopedValues->at(i2)->is_object_merge(), "Should not be.");
1892 if (var->type() == T_OBJECT && scopedValues->at(i2)->is_object()) {
1893 jvalue val;
1894 val.l = cast_from_oop<jobject>(locals->at(i2)->get_obj()());
1895 cvf->update_local(T_OBJECT, i2, val);
1896 }
1897 }
1898 }
1899
1900 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
1901 StackValueCollection* expressions = cvf->expressions();
2189 box_signature, &jargs, CHECK_NULL);
2190 oop hotspot_box = box_result.get_oop();
2191 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false);
2192 return JVMCIENV->get_jobject(result);
2193 C2V_END
2194
2195 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2196 Klass* klass = UNPACK_PAIR(Klass, klass);
2197 if (klass == nullptr) {
2198 JVMCI_THROW_NULL(NullPointerException);
2199 }
2200 if (!klass->is_instance_klass()) {
2201 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2202 return JVMCIENV->get_jobjectArray(methods);
2203 }
2204
2205 InstanceKlass* iklass = InstanceKlass::cast(klass);
2206 GrowableArray<Method*> constructors_array;
2207 for (int i = 0; i < iklass->methods()->length(); i++) {
2208 Method* m = iklass->methods()->at(i);
2209 if (m->is_object_constructor()) {
2210 constructors_array.append(m);
2211 }
2212 }
2213 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL);
2214 for (int i = 0; i < constructors_array.length(); i++) {
2215 methodHandle ctor(THREAD, constructors_array.at(i));
2216 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL);
2217 JVMCIENV->put_object_at(methods, i, method);
2218 }
2219 return JVMCIENV->get_jobjectArray(methods);
2220 C2V_END
2221
2222 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2223 Klass* klass = UNPACK_PAIR(Klass, klass);
2224 if (klass == nullptr) {
2225 JVMCI_THROW_NULL(NullPointerException);
2226 }
2227 if (!klass->is_instance_klass()) {
2228 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2229 return JVMCIENV->get_jobjectArray(methods);
2230 }
2231
2232 InstanceKlass* iklass = InstanceKlass::cast(klass);
2233 GrowableArray<Method*> methods_array;
2234 for (int i = 0; i < iklass->methods()->length(); i++) {
2235 Method* m = iklass->methods()->at(i);
2236 if (!(m->is_object_constructor() || m->is_class_initializer()) && !m->is_overpass()) {
2237 methods_array.append(m);
2238 }
2239 }
2240 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL);
2241 for (int i = 0; i < methods_array.length(); i++) {
2242 methodHandle mh(THREAD, methods_array.at(i));
2243 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL);
2244 JVMCIENV->put_object_at(methods, i, method);
2245 }
2246 return JVMCIENV->get_jobjectArray(methods);
2247 C2V_END
2248
2249 C2V_VMENTRY_NULL(jobjectArray, getAllMethods, (JNIEnv* env, jobject, ARGUMENT_PAIR(klass)))
2250 Klass* klass = UNPACK_PAIR(Klass, klass);
2251 if (klass == nullptr) {
2252 JVMCI_THROW_NULL(NullPointerException);
2253 }
2254 if (!klass->is_instance_klass()) {
2255 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL);
2256 return JVMCIENV->get_jobjectArray(methods);
2956 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle))
2957 JVMCIObject code = JVMCIENV->wrap(code_handle);
2958 CodeBlob* cb = JVMCIENV->get_code_blob(code);
2959 if (cb == nullptr) {
2960 return nullptr;
2961 }
2962 // Make a resource copy of code before the allocation causes a safepoint
2963 int code_size = cb->code_size();
2964 jbyte* code_bytes = NEW_RESOURCE_ARRAY(jbyte, code_size);
2965 memcpy(code_bytes, (jbyte*) cb->code_begin(), code_size);
2966
2967 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL);
2968 JVMCIENV->copy_bytes_from(code_bytes, result, 0, code_size);
2969 return JVMCIENV->get_jbyteArray(result);
2970 C2V_END
2971
2972 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, ARGUMENT_PAIR(method)))
2973 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL);
2974 methodHandle m(THREAD, UNPACK_PAIR(Method, method));
2975 oop executable;
2976 if (m->is_class_initializer()) {
2977 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2978 "Cannot create java.lang.reflect.Method for class initializer");
2979 }
2980 else if (m->is_object_constructor()) {
2981 executable = Reflection::new_constructor(m, CHECK_NULL);
2982 } else {
2983 executable = Reflection::new_method(m, false, CHECK_NULL);
2984 }
2985 return JNIHandles::make_local(THREAD, executable);
2986 C2V_END
2987
2988 // Checks that `index` denotes a non-injected field in `klass`
2989 static InstanceKlass* check_field(Klass* klass, jint index, JVMCI_TRAPS) {
2990 if (!klass->is_instance_klass()) {
2991 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
2992 err_msg("Expected non-primitive type, got %s", klass->external_name()));
2993 }
2994 InstanceKlass* iklass = InstanceKlass::cast(klass);
2995 if (index < 0 || index >= iklass->java_fields_count()) {
2996 if (index >= 0 && index < iklass->total_fields_count()) {
2997 fieldDescriptor fd(iklass, index);
2998 if (fd.is_injected()) {
2999 JVMCI_THROW_MSG_NULL(IllegalArgumentException,
3000 err_msg("Cannot get Field for injected %s.%s", klass->external_name(), fd.name()->as_C_string()));
3001 }
|