entrypoint_utils.cc revision 1d54e73444e017d3a65234e0f193846f3e27472b
12d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao/* 20f3c55331439970e01af67f80ac117c473bc04cfElliott Hughes * Copyright (C) 2012 The Android Open Source Project 32d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * 42d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * Licensed under the Apache License, Version 2.0 (the "License"); 52d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * you may not use this file except in compliance with the License. 62d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * You may obtain a copy of the License at 72d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * 82d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * http://www.apache.org/licenses/LICENSE-2.0 92d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * 102d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * Unless required by applicable law or agreed to in writing, software 112d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * distributed under the License is distributed on an "AS IS" BASIS, 122d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * See the License for the specific language governing permissions and 142d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao * limitations under the License. 152d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao */ 162d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao 172d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao#include "runtime_support.h" 182d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao 192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "class_linker-inl.h" 204f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 211d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/abstract_method-inl.h" 232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/field-inl.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/proxy.h" 28af6e67a4816d2593586115b89faa659225363246Ian Rogers#include "reflection.h" 29af6e67a4816d2593586115b89faa659225363246Ian Rogers#include "scoped_thread_state_change.h" 305bb8601175bbb9cd761c715f4ba04f84d65e913bTDYa#include "ScopedLocalRef.h" 31eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "well_known_classes.h" 325bb8601175bbb9cd761c715f4ba04f84d65e913bTDYa 3341005ddb5576b8630a1084fbb3979ffa602c0599jeffhaodouble art_l2d(int64_t l) { 34748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<double>(l); 3541005ddb5576b8630a1084fbb3979ffa602c0599jeffhao} 3641005ddb5576b8630a1084fbb3979ffa602c0599jeffhao 3741005ddb5576b8630a1084fbb3979ffa602c0599jeffhaofloat art_l2f(int64_t l) { 38748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<float>(l); 3941005ddb5576b8630a1084fbb3979ffa602c0599jeffhao} 402d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao 41776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers/* 42776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers * Float/double conversion requires clamping to min and max of integer form. If 43776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers * target doesn't support this normally, use these. 44776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers */ 4541005ddb5576b8630a1084fbb3979ffa602c0599jeffhaoint64_t art_d2l(double d) { 46748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes static const double kMaxLong = static_cast<double>(static_cast<int64_t>(0x7fffffffffffffffULL)); 47748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes static const double kMinLong = static_cast<double>(static_cast<int64_t>(0x8000000000000000ULL)); 48776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers if (d >= kMaxLong) { 49008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int64_t>(0x7fffffffffffffffULL); 50776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (d <= kMinLong) { 51008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int64_t>(0x8000000000000000ULL); 52776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (d != d) { // NaN case 53776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers return 0; 54776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else { 55748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<int64_t>(d); 56776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } 57776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers} 58776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers 5941005ddb5576b8630a1084fbb3979ffa602c0599jeffhaoint64_t art_f2l(float f) { 60748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes static const float kMaxLong = static_cast<float>(static_cast<int64_t>(0x7fffffffffffffffULL)); 61748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes static const float kMinLong = static_cast<float>(static_cast<int64_t>(0x8000000000000000ULL)); 62776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers if (f >= kMaxLong) { 63008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int64_t>(0x7fffffffffffffffULL); 64776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (f <= kMinLong) { 65008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int64_t>(0x8000000000000000ULL); 66776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (f != f) { // NaN case 67776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers return 0; 68776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else { 69748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<int64_t>(f); 70776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } 71776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers} 72776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers 7341005ddb5576b8630a1084fbb3979ffa602c0599jeffhaoint32_t art_d2i(double d) { 74008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien static const double kMaxInt = static_cast<double>(static_cast<int32_t>(0x7fffffffUL)); 75008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien static const double kMinInt = static_cast<double>(static_cast<int32_t>(0x80000000UL)); 76776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers if (d >= kMaxInt) { 77008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int32_t>(0x7fffffffUL); 78776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (d <= kMinInt) { 79008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int32_t>(0x80000000UL); 80776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (d != d) { // NaN case 81776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers return 0; 82776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else { 83748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<int32_t>(d); 84776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } 85776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers} 86776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers 8741005ddb5576b8630a1084fbb3979ffa602c0599jeffhaoint32_t art_f2i(float f) { 88008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien static const float kMaxInt = static_cast<float>(static_cast<int32_t>(0x7fffffffUL)); 89008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien static const float kMinInt = static_cast<float>(static_cast<int32_t>(0x80000000UL)); 90776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers if (f >= kMaxInt) { 91008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int32_t>(0x7fffffffUL); 92776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (f <= kMinInt) { 93008fa5114f356861f74f086f0b0c50fe42ef2891Logan Chien return static_cast<int32_t>(0x80000000UL); 94776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else if (f != f) { // NaN case 95776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers return 0; 96776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } else { 97748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes return static_cast<int32_t>(f); 98776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers } 99776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers} 100776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers 10141005ddb5576b8630a1084fbb3979ffa602c0599jeffhaonamespace art { 10241005ddb5576b8630a1084fbb3979ffa602c0599jeffhao 10357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers// Helper function to allocate array for FILLED_NEW_ARRAY. 10462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersmirror::Array* CheckAndAllocArrayFromCode(uint32_t type_idx, mirror::AbstractMethod* referrer, 1052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers int32_t component_count, Thread* self, 1062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers bool access_check) { 10757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(component_count < 0)) { 10862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowNegativeArraySizeException(component_count); 10957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // Failure 110ea2a11d5f20814f17985ae3d4defc8dd843f19b9Ian Rogers } 11162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Class* klass = referrer->GetDexCacheResolvedTypes()->Get(type_idx); 11257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(klass == NULL)) { // Not in dex cache so try to resolve 11362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers klass = Runtime::Current()->GetClassLinker()->ResolveType(type_idx, referrer); 11457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (klass == NULL) { // Error 11550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers DCHECK(self->IsExceptionPending()); 11657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // Failure 117ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers } 118ea2a11d5f20814f17985ae3d4defc8dd843f19b9Ian Rogers } 11957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(klass->IsPrimitive() && !klass->IsPrimitiveInt())) { 12057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (klass->IsPrimitiveLong() || klass->IsPrimitiveDouble()) { 12162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowRuntimeException("Bad filled array request for type %s", 12262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers PrettyDescriptor(klass).c_str()); 123573db4a2077380d81fa74ee2309162530db87a98Ian Rogers } else { 12462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 12562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DCHECK(throw_location.GetMethod() == referrer); 12662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers self->ThrowNewExceptionF(throw_location, "Ljava/lang/InternalError;", 12750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers "Found type %s; filled-new-array not implemented for anything but \'int\'", 12850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers PrettyDescriptor(klass).c_str()); 129573db4a2077380d81fa74ee2309162530db87a98Ian Rogers } 13057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // Failure 131ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers } else { 13257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (access_check) { 13362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Class* referrer_klass = referrer->GetDeclaringClass(); 13462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (UNLIKELY(!referrer_klass->CanAccess(klass))) { 13562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowIllegalAccessErrorClass(referrer_klass, klass); 13657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // Failure 13757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 13857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 13957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers DCHECK(klass->IsArrayClass()) << PrettyClass(klass); 1402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return mirror::Array::Alloc(self, klass, component_count); 141ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers } 142ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers} 143ad25ac568407ceb14334e8551dd1c4dd0fd6993cIan Rogers 1442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersmirror::Field* FindFieldFromCode(uint32_t field_idx, const mirror::AbstractMethod* referrer, 145233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz Thread* self, FindFieldType type, size_t expected_size, 146233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz bool access_check) { 14708f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers bool is_primitive; 14808f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers bool is_set; 14908f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers bool is_static; 15008f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers switch (type) { 15108f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case InstanceObjectRead: is_primitive = false; is_set = false; is_static = false; break; 15208f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case InstanceObjectWrite: is_primitive = false; is_set = true; is_static = false; break; 15308f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case InstancePrimitiveRead: is_primitive = true; is_set = false; is_static = false; break; 15408f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case InstancePrimitiveWrite: is_primitive = true; is_set = true; is_static = false; break; 15508f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case StaticObjectRead: is_primitive = false; is_set = false; is_static = true; break; 15608f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case StaticObjectWrite: is_primitive = false; is_set = true; is_static = true; break; 15708f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case StaticPrimitiveRead: is_primitive = true; is_set = false; is_static = true; break; 15808f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers case StaticPrimitiveWrite: // Keep GCC happy by having a default handler, fall-through. 15908f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers default: is_primitive = true; is_set = true; is_static = true; break; 16008f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers } 16157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Field* resolved_field = class_linker->ResolveField(field_idx, referrer, is_static); 16357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(resolved_field == NULL)) { 16408f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers DCHECK(self->IsExceptionPending()); // Throw exception and unwind. 16508f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 166233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } 167233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz mirror::Class* fields_class = resolved_field->GetDeclaringClass(); 168233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz if (access_check) { 169807a25640d4f4de8143b160b3bb8f552ffbf6f4aSebastien Hertz if (UNLIKELY(resolved_field->IsStatic() != is_static)) { 17087e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIncompatibleClassChangeErrorField(resolved_field, is_static, referrer); 17108f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; 17208f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers } 1732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referring_class = referrer->GetDeclaringClass(); 174e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers if (UNLIKELY(!referring_class->CanAccess(fields_class) || 175e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers !referring_class->CanAccessMember(fields_class, 176e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers resolved_field->GetAccessFlags()))) { 177e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers // The referring class can't access the resolved field, this may occur as a result of a 178e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers // protected field being made public by a sub-class. Resort to the dex file to determine 179e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers // the correct class for the access check. 1804445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *referring_class->GetDexCache()->GetDexFile(); 181e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers fields_class = class_linker->ResolveType(dex_file, 182e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers dex_file.GetFieldId(field_idx).class_idx_, 183e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers referring_class); 184e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers if (UNLIKELY(!referring_class->CanAccess(fields_class))) { 18587e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIllegalAccessErrorClass(referring_class, fields_class); 186e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers return NULL; // failure 187e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers } else if (UNLIKELY(!referring_class->CanAccessMember(fields_class, 188e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers resolved_field->GetAccessFlags()))) { 18987e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIllegalAccessErrorField(referring_class, resolved_field); 190e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers return NULL; // failure 191e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers } 192e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers } 193e2645d3e2db211bfd75775a2185c135ff387161aIan Rogers if (UNLIKELY(is_set && resolved_field->IsFinal() && (fields_class != referring_class))) { 19487e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIllegalAccessErrorFinalField(referrer, resolved_field); 19557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // failure 19657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 19757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers FieldHelper fh(resolved_field); 19857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(fh.IsPrimitiveType() != is_primitive || 19957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers fh.FieldSize() != expected_size)) { 20062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 20162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DCHECK(throw_location.GetMethod() == referrer); 20262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers self->ThrowNewExceptionF(throw_location, "Ljava/lang/NoSuchFieldError;", 20357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers "Attempted read of %zd-bit %s on field '%s'", 20457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers expected_size * (32 / sizeof(int32_t)), 20557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers is_primitive ? "primitive" : "non-primitive", 20657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers PrettyField(resolved_field, true).c_str()); 20757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return NULL; // failure 20860db5ab3a2e480db9236325a14cb5a867881d8bbIan Rogers } 20960db5ab3a2e480db9236325a14cb5a867881d8bbIan Rogers } 21060db5ab3a2e480db9236325a14cb5a867881d8bbIan Rogers } 211233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz if (!is_static) { 212233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz // instance fields must be being accessed on an initialized class 213233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz return resolved_field; 214233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } else { 215233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz // If the class is initialized we're done. 216233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz if (fields_class->IsInitialized()) { 217233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz return resolved_field; 218233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } else if (Runtime::Current()->GetClassLinker()->EnsureInitialized(fields_class, true, true)) { 219233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz // Otherwise let's ensure the class is initialized before resolving the field. 220233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz return resolved_field; 221233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } else { 222233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz DCHECK(self->IsExceptionPending()); // Throw exception and unwind 223233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz return NULL; // failure 224233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } 225233ea8e084a95ad2a3af746dddbadb155db6a814Sebastien Hertz } 226ddbd01ac1660d57416879d5a576482f1048dde64Shih-wei Liao} 227ddbd01ac1660d57416879d5a576482f1048dde64Shih-wei Liao 22857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers// Slow path method resolution 2292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersmirror::AbstractMethod* FindMethodFromCode(uint32_t method_idx, mirror::Object* this_object, 2302dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* referrer, 2312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers Thread* self, bool access_check, InvokeType type) { 23257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 23357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers bool is_direct = type == kStatic || type == kDirect; 2342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* resolved_method = class_linker->ResolveMethod(method_idx, referrer, type); 23557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(resolved_method == NULL)) { 23608f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers DCHECK(self->IsExceptionPending()); // Throw exception and unwind. 23708f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 238262e251e56d66bd309c6165964ac0a0be24447fejeffhao } else if (UNLIKELY(this_object == NULL && type != kStatic)) { 239262e251e56d66bd309c6165964ac0a0be24447fejeffhao // Maintain interpreter-like semantics where NullPointerException is thrown 240262e251e56d66bd309c6165964ac0a0be24447fejeffhao // after potential NoSuchMethodError from class linker. 24162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location = self->GetCurrentLocationForThrow(); 24262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DCHECK(referrer == throw_location.GetMethod()); 24362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowNullPointerExceptionForMethodAccess(throw_location, method_idx, type); 244262e251e56d66bd309c6165964ac0a0be24447fejeffhao return NULL; // Failure. 245466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers } else { 24657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (!access_check) { 24757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (is_direct) { 24857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return resolved_method; 24957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else if (type == kInterface) { 2502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* interface_method = 25157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers this_object->GetClass()->FindVirtualMethodForInterface(resolved_method); 25257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(interface_method == NULL)) { 25387e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIncompatibleClassChangeErrorClassForInterfaceDispatch(resolved_method, this_object, 25487e552db94588455c081efd87dbde0cd96d02942Ian Rogers referrer); 25508f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 25657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 25757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return interface_method; 25857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 25957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 2602dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::AbstractMethod>* vtable; 26157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers uint16_t vtable_index = resolved_method->GetMethodIndex(); 26257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (type == kSuper) { 26357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable = referrer->GetDeclaringClass()->GetSuperClass()->GetVTable(); 26457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 26557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable = this_object->GetClass()->GetVTable(); 26657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 26757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers // TODO: eliminate bounds check? 26857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return vtable->Get(vtable_index); 269051c9fc1de07bbc265af38cf60f061394163c68fElliott Hughes } 270466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers } else { 27108f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers // Incompatible class change should have been handled in resolve method. 27208f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers if (UNLIKELY(resolved_method->CheckIncompatibleClassChange(type))) { 2732fc1427ee9c534ed44d72184ad6d74ea65f3d5b3Ian Rogers ThrowIncompatibleClassChangeError(type, resolved_method->GetInvokeType(), resolved_method, 2742fc1427ee9c534ed44d72184ad6d74ea65f3d5b3Ian Rogers referrer); 27508f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 27608f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers } 2772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* methods_class = resolved_method->GetDeclaringClass(); 2782dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referring_class = referrer->GetDeclaringClass(); 27957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(!referring_class->CanAccess(methods_class) || 28057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers !referring_class->CanAccessMember(methods_class, 28157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers resolved_method->GetAccessFlags()))) { 28257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers // The referring class can't access the resolved method, this may occur as a result of a 28357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers // protected method being made public by implementing an interface that re-declares the 28457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers // method public. Resort to the dex file to determine the correct class for the access check 2854445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *referring_class->GetDexCache()->GetDexFile(); 28657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers methods_class = class_linker->ResolveType(dex_file, 28757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers dex_file.GetMethodId(method_idx).class_idx_, 28857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers referring_class); 28957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(!referring_class->CanAccess(methods_class))) { 29087e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIllegalAccessErrorClassForMethodDispatch(referring_class, methods_class, 29187e552db94588455c081efd87dbde0cd96d02942Ian Rogers referrer, resolved_method, type); 29208f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 29357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else if (UNLIKELY(!referring_class->CanAccessMember(methods_class, 29457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers resolved_method->GetAccessFlags()))) { 29587e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIllegalAccessErrorMethod(referring_class, resolved_method); 29608f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 297c2b4447ae9c0c1e77595620acac6508999df6698Ian Rogers } 298c2b4447ae9c0c1e77595620acac6508999df6698Ian Rogers } 29957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (is_direct) { 30057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return resolved_method; 30157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else if (type == kInterface) { 3022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* interface_method = 30357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers this_object->GetClass()->FindVirtualMethodForInterface(resolved_method); 30457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (UNLIKELY(interface_method == NULL)) { 30587e552db94588455c081efd87dbde0cd96d02942Ian Rogers ThrowIncompatibleClassChangeErrorClassForInterfaceDispatch(resolved_method, this_object, 30687e552db94588455c081efd87dbde0cd96d02942Ian Rogers referrer); 30708f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 30857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 30957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return interface_method; 31057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 311466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers } else { 3122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::AbstractMethod>* vtable; 31357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers uint16_t vtable_index = resolved_method->GetMethodIndex(); 31457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (type == kSuper) { 3152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* super_class = referring_class->GetSuperClass(); 31657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (LIKELY(super_class != NULL)) { 31757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable = referring_class->GetSuperClass()->GetVTable(); 31857b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 31957b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable = NULL; 32057b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 32157b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 32257b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable = this_object->GetClass()->GetVTable(); 32357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 32457b86d47b66322693a070185fadfb43cb9c12eabIan Rogers if (LIKELY(vtable != NULL && 32557b86d47b66322693a070185fadfb43cb9c12eabIan Rogers vtable_index < static_cast<uint32_t>(vtable->GetLength()))) { 32657b86d47b66322693a070185fadfb43cb9c12eabIan Rogers return vtable->GetWithoutChecks(vtable_index); 32757b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } else { 32808f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers // Behavior to agree with that of the verifier. 32908f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers MethodHelper mh(resolved_method); 33008f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers ThrowNoSuchMethodError(type, resolved_method->GetDeclaringClass(), mh.GetName(), 33162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mh.GetSignature()); 33208f753d5859936f8d3524e9e4faa6cee353873eaIan Rogers return NULL; // Failure. 33357b86d47b66322693a070185fadfb43cb9c12eabIan Rogers } 334466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers } 335466bb25416b88fabd5d4387b7c7e5cc1ece78b8cIan Rogers } 336dfcdf1a0d2d8d75b4c701317e4a092498a8d1e9eIan Rogers } 337dfcdf1a0d2d8d75b4c701317e4a092498a8d1e9eIan Rogers} 338dfcdf1a0d2d8d75b4c701317e4a092498a8d1e9eIan Rogers 339d752132c73072084a3def9257cca4fcee76047b6jeffhaovoid ThrowStackOverflowError(Thread* self) { 340d752132c73072084a3def9257cca4fcee76047b6jeffhao CHECK(!self->IsHandlingStackOverflow()) << "Recursive stack overflow."; 34162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 34262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (Runtime::Current()->GetInstrumentation()->AreExitStubsInstalled()) { 34362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Remove extra entry pushed onto second stack during method tracing. 34462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime::Current()->GetInstrumentation()->PopMethodForUnwind(self, false); 345d752132c73072084a3def9257cca4fcee76047b6jeffhao } 34662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 347d752132c73072084a3def9257cca4fcee76047b6jeffhao self->SetStackEndForStackOverflow(); // Allow space on the stack for constructor to execute. 348d752132c73072084a3def9257cca4fcee76047b6jeffhao JNIEnvExt* env = self->GetJniEnv(); 349d752132c73072084a3def9257cca4fcee76047b6jeffhao std::string msg("stack size "); 350d752132c73072084a3def9257cca4fcee76047b6jeffhao msg += PrettySize(self->GetStackSize()); 351d752132c73072084a3def9257cca4fcee76047b6jeffhao // Use low-level JNI routine and pre-baked error class to avoid class linking operations that 352d752132c73072084a3def9257cca4fcee76047b6jeffhao // would consume more stack. 353d752132c73072084a3def9257cca4fcee76047b6jeffhao int rc = ::art::ThrowNewException(env, WellKnownClasses::java_lang_StackOverflowError, 354d752132c73072084a3def9257cca4fcee76047b6jeffhao msg.c_str(), NULL); 355d752132c73072084a3def9257cca4fcee76047b6jeffhao if (rc != JNI_OK) { 356d752132c73072084a3def9257cca4fcee76047b6jeffhao // TODO: ThrowNewException failed presumably because of an OOME, we continue to throw the OOME 357d752132c73072084a3def9257cca4fcee76047b6jeffhao // or die in the CHECK below. We may want to throw a pre-baked StackOverflowError 358d752132c73072084a3def9257cca4fcee76047b6jeffhao // instead. 359d752132c73072084a3def9257cca4fcee76047b6jeffhao LOG(ERROR) << "Couldn't throw new StackOverflowError because JNI ThrowNew failed."; 360d752132c73072084a3def9257cca4fcee76047b6jeffhao CHECK(self->IsExceptionPending()); 361d752132c73072084a3def9257cca4fcee76047b6jeffhao } 362d752132c73072084a3def9257cca4fcee76047b6jeffhao self->ResetDefaultStackEnd(); // Return to default stack size. 363d752132c73072084a3def9257cca4fcee76047b6jeffhao} 364d752132c73072084a3def9257cca4fcee76047b6jeffhao 365af6e67a4816d2593586115b89faa659225363246Ian RogersJValue InvokeProxyInvocationHandler(ScopedObjectAccessUnchecked& soa, const char* shorty, 366af6e67a4816d2593586115b89faa659225363246Ian Rogers jobject rcvr_jobj, jobject interface_method_jobj, 367af6e67a4816d2593586115b89faa659225363246Ian Rogers std::vector<jvalue>& args) { 368af6e67a4816d2593586115b89faa659225363246Ian Rogers DCHECK(soa.Env()->IsInstanceOf(rcvr_jobj, WellKnownClasses::java_lang_reflect_Proxy)); 369af6e67a4816d2593586115b89faa659225363246Ian Rogers 370af6e67a4816d2593586115b89faa659225363246Ian Rogers // Build argument array possibly triggering GC. 371af6e67a4816d2593586115b89faa659225363246Ian Rogers soa.Self()->AssertThreadSuspensionIsAllowable(); 372af6e67a4816d2593586115b89faa659225363246Ian Rogers jobjectArray args_jobj = NULL; 373af6e67a4816d2593586115b89faa659225363246Ian Rogers const JValue zero; 374af6e67a4816d2593586115b89faa659225363246Ian Rogers if (args.size() > 0) { 375af6e67a4816d2593586115b89faa659225363246Ian Rogers args_jobj = soa.Env()->NewObjectArray(args.size(), WellKnownClasses::java_lang_Object, NULL); 376af6e67a4816d2593586115b89faa659225363246Ian Rogers if (args_jobj == NULL) { 377af6e67a4816d2593586115b89faa659225363246Ian Rogers CHECK(soa.Self()->IsExceptionPending()); 378af6e67a4816d2593586115b89faa659225363246Ian Rogers return zero; 379af6e67a4816d2593586115b89faa659225363246Ian Rogers } 380af6e67a4816d2593586115b89faa659225363246Ian Rogers for (size_t i = 0; i < args.size(); ++i) { 381af6e67a4816d2593586115b89faa659225363246Ian Rogers if (shorty[i + 1] == 'L') { 382af6e67a4816d2593586115b89faa659225363246Ian Rogers jobject val = args.at(i).l; 383af6e67a4816d2593586115b89faa659225363246Ian Rogers soa.Env()->SetObjectArrayElement(args_jobj, i, val); 384af6e67a4816d2593586115b89faa659225363246Ian Rogers } else { 385af6e67a4816d2593586115b89faa659225363246Ian Rogers JValue jv; 386af6e67a4816d2593586115b89faa659225363246Ian Rogers jv.SetJ(args.at(i).j); 3872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* val = BoxPrimitive(Primitive::GetType(shorty[i + 1]), jv); 388af6e67a4816d2593586115b89faa659225363246Ian Rogers if (val == NULL) { 389af6e67a4816d2593586115b89faa659225363246Ian Rogers CHECK(soa.Self()->IsExceptionPending()); 390af6e67a4816d2593586115b89faa659225363246Ian Rogers return zero; 391af6e67a4816d2593586115b89faa659225363246Ian Rogers } 3922dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.Decode<mirror::ObjectArray<mirror::Object>* >(args_jobj)->Set(i, val); 393af6e67a4816d2593586115b89faa659225363246Ian Rogers } 394af6e67a4816d2593586115b89faa659225363246Ian Rogers } 395af6e67a4816d2593586115b89faa659225363246Ian Rogers } 396af6e67a4816d2593586115b89faa659225363246Ian Rogers 397af6e67a4816d2593586115b89faa659225363246Ian Rogers // Call InvocationHandler.invoke(Object proxy, Method method, Object[] args). 398af6e67a4816d2593586115b89faa659225363246Ian Rogers jobject inv_hand = soa.Env()->GetObjectField(rcvr_jobj, 399af6e67a4816d2593586115b89faa659225363246Ian Rogers WellKnownClasses::java_lang_reflect_Proxy_h); 400af6e67a4816d2593586115b89faa659225363246Ian Rogers jvalue invocation_args[3]; 401af6e67a4816d2593586115b89faa659225363246Ian Rogers invocation_args[0].l = rcvr_jobj; 402af6e67a4816d2593586115b89faa659225363246Ian Rogers invocation_args[1].l = interface_method_jobj; 403af6e67a4816d2593586115b89faa659225363246Ian Rogers invocation_args[2].l = args_jobj; 404af6e67a4816d2593586115b89faa659225363246Ian Rogers jobject result = 405af6e67a4816d2593586115b89faa659225363246Ian Rogers soa.Env()->CallObjectMethodA(inv_hand, 406af6e67a4816d2593586115b89faa659225363246Ian Rogers WellKnownClasses::java_lang_reflect_InvocationHandler_invoke, 407af6e67a4816d2593586115b89faa659225363246Ian Rogers invocation_args); 408af6e67a4816d2593586115b89faa659225363246Ian Rogers 409af6e67a4816d2593586115b89faa659225363246Ian Rogers // Unbox result and handle error conditions. 41062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (LIKELY(!soa.Self()->IsExceptionPending())) { 41162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (shorty[0] == 'V' || (shorty[0] == 'L' && result == NULL)) { 412af6e67a4816d2593586115b89faa659225363246Ian Rogers // Do nothing. 413af6e67a4816d2593586115b89faa659225363246Ian Rogers return zero; 414af6e67a4816d2593586115b89faa659225363246Ian Rogers } else { 4152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* result_ref = soa.Decode<mirror::Object*>(result); 41662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Object* rcvr = soa.Decode<mirror::Object*>(rcvr_jobj); 41762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::AbstractMethod* interface_method = 41862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Decode<mirror::AbstractMethod*>(interface_method_jobj); 41962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Class* result_type = MethodHelper(interface_method).GetReturnType(); 42062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::AbstractMethod* proxy_method; 42162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (interface_method->GetDeclaringClass()->IsInterface()) { 42262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers proxy_method = rcvr->GetClass()->FindVirtualMethodForInterface(interface_method); 42362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } else { 42462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Proxy dispatch to a method defined in Object. 42562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DCHECK(interface_method->GetDeclaringClass()->IsObjectClass()); 42662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers proxy_method = interface_method; 42762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 42862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location(rcvr, proxy_method, -1); 42962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JValue result_unboxed; 43062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!UnboxPrimitiveForResult(throw_location, result_ref, result_type, result_unboxed)) { 431530f71c040cb1a7b946d5566d5a746f08f2d082cIan Rogers DCHECK(soa.Self()->IsExceptionPending()); 43262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return zero; 433af6e67a4816d2593586115b89faa659225363246Ian Rogers } 434af6e67a4816d2593586115b89faa659225363246Ian Rogers return result_unboxed; 435af6e67a4816d2593586115b89faa659225363246Ian Rogers } 436af6e67a4816d2593586115b89faa659225363246Ian Rogers } else { 437af6e67a4816d2593586115b89faa659225363246Ian Rogers // In the case of checked exceptions that aren't declared, the exception must be wrapped by 438af6e67a4816d2593586115b89faa659225363246Ian Rogers // a UndeclaredThrowableException. 43962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 440af6e67a4816d2593586115b89faa659225363246Ian Rogers if (exception->IsCheckedException()) { 4412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* rcvr = soa.Decode<mirror::Object*>(rcvr_jobj); 4422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::SynthesizedProxyClass* proxy_class = 4432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers down_cast<mirror::SynthesizedProxyClass*>(rcvr->GetClass()); 4442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* interface_method = 4452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.Decode<mirror::AbstractMethod*>(interface_method_jobj); 4462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::AbstractMethod* proxy_method = 447af6e67a4816d2593586115b89faa659225363246Ian Rogers rcvr->GetClass()->FindVirtualMethodForInterface(interface_method); 448af6e67a4816d2593586115b89faa659225363246Ian Rogers int throws_index = -1; 449af6e67a4816d2593586115b89faa659225363246Ian Rogers size_t num_virt_methods = proxy_class->NumVirtualMethods(); 450af6e67a4816d2593586115b89faa659225363246Ian Rogers for (size_t i = 0; i < num_virt_methods; i++) { 451af6e67a4816d2593586115b89faa659225363246Ian Rogers if (proxy_class->GetVirtualMethod(i) == proxy_method) { 452af6e67a4816d2593586115b89faa659225363246Ian Rogers throws_index = i; 453af6e67a4816d2593586115b89faa659225363246Ian Rogers break; 454af6e67a4816d2593586115b89faa659225363246Ian Rogers } 455af6e67a4816d2593586115b89faa659225363246Ian Rogers } 456af6e67a4816d2593586115b89faa659225363246Ian Rogers CHECK_NE(throws_index, -1); 4572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Class>* declared_exceptions = proxy_class->GetThrows()->Get(throws_index); 4582dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* exception_class = exception->GetClass(); 459af6e67a4816d2593586115b89faa659225363246Ian Rogers bool declares_exception = false; 460af6e67a4816d2593586115b89faa659225363246Ian Rogers for (int i = 0; i < declared_exceptions->GetLength() && !declares_exception; i++) { 4612dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* declared_exception = declared_exceptions->Get(i); 462af6e67a4816d2593586115b89faa659225363246Ian Rogers declares_exception = declared_exception->IsAssignableFrom(exception_class); 463af6e67a4816d2593586115b89faa659225363246Ian Rogers } 464af6e67a4816d2593586115b89faa659225363246Ian Rogers if (!declares_exception) { 46562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation throw_location(rcvr, proxy_method, -1); 46662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ThrowNewWrappedException(throw_location, 46762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers "Ljava/lang/reflect/UndeclaredThrowableException;", 468af6e67a4816d2593586115b89faa659225363246Ian Rogers NULL); 469af6e67a4816d2593586115b89faa659225363246Ian Rogers } 470af6e67a4816d2593586115b89faa659225363246Ian Rogers } 471af6e67a4816d2593586115b89faa659225363246Ian Rogers return zero; 472af6e67a4816d2593586115b89faa659225363246Ian Rogers } 473af6e67a4816d2593586115b89faa659225363246Ian Rogers} 474af6e67a4816d2593586115b89faa659225363246Ian Rogers 4752d831014d88e38c0c499ce8597dcdb17b9d4c4b9Shih-wei Liao} // namespace art 476