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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "entrypoints/entrypoint_utils-inl.h"
#include "mirror/art_method-inl.h"
#include "mirror/dex_cache-inl.h"
#include "mirror/object-inl.h"
namespace art {
template<InvokeType type, bool access_check>
mirror::ArtMethod* FindMethodHelper(uint32_t method_idx, mirror::Object* this_object,
mirror::ArtMethod* caller_method, Thread* self) {
mirror::ArtMethod* method = FindMethodFast(method_idx, this_object, caller_method,
access_check, type);
if (UNLIKELY(method == NULL)) {
// Note: This can cause thread suspension.
self->AssertThreadSuspensionIsAllowable();
method = FindMethodFromCode<type, access_check>(method_idx, &this_object, &caller_method,
self);
if (UNLIKELY(method == NULL)) {
CHECK(self->IsExceptionPending());
return 0; // failure
}
}
DCHECK(!self->IsExceptionPending());
const void* code = method->GetEntryPointFromPortableCompiledCode();
// When we return, the caller will branch to this address, so it had better not be 0!
if (UNLIKELY(code == NULL)) {
LOG(FATAL) << "Code was NULL in method: " << PrettyMethod(method)
<< " location: " << method->GetDexFile()->GetLocation();
}
return method;
}
// Explicit template declarations of FindMethodHelper for all invoke types.
#define EXPLICIT_FIND_METHOD_HELPER_TEMPLATE_DECL(_type, _access_check) \
template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \
mirror::ArtMethod* FindMethodHelper<_type, _access_check>(uint32_t method_idx, \
mirror::Object* this_object, \
mirror::ArtMethod* caller_method, \
Thread* thread)
#define EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(_type) \
EXPLICIT_FIND_METHOD_HELPER_TEMPLATE_DECL(_type, false); \
EXPLICIT_FIND_METHOD_HELPER_TEMPLATE_DECL(_type, true)
EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(kStatic);
EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(kDirect);
EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(kVirtual);
EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(kSuper);
EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL(kInterface);
#undef EXPLICIT_FIND_METHOD_HELPER_TYPED_TEMPLATE_DECL
#undef EXPLICIT_FIND_METHOD_HELPER_TEMPLATE_DECL
extern "C" mirror::Object* art_portable_find_static_method_from_code_with_access_check(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kStatic, true>(method_idx, this_object, referrer, thread);
}
extern "C" mirror::Object* art_portable_find_direct_method_from_code_with_access_check(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kDirect, true>(method_idx, this_object, referrer, thread);
}
extern "C" mirror::Object* art_portable_find_virtual_method_from_code_with_access_check(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kVirtual, true>(method_idx, this_object, referrer, thread);
}
extern "C" mirror::Object* art_portable_find_super_method_from_code_with_access_check(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kSuper, true>(method_idx, this_object, referrer, thread);
}
extern "C" mirror::Object* art_portable_find_interface_method_from_code_with_access_check(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kInterface, true>(method_idx, this_object, referrer, thread);
}
extern "C" mirror::Object* art_portable_find_interface_method_from_code(uint32_t method_idx,
mirror::Object* this_object,
mirror::ArtMethod* referrer,
Thread* thread)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
return FindMethodHelper<kInterface, false>(method_idx, this_object, referrer, thread);
}
} // namespace art
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