/*
 * 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.h"
#include "mirror/art_field-inl.h"
#include "mirror/art_method-inl.h"
#include "mirror/object-inl.h"

namespace art {

extern "C" int32_t art_portable_set32_static_from_code(uint32_t field_idx,
                                                       mirror::ArtMethod* referrer,
                                                       int32_t new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx,
                               referrer,
                               StaticPrimitiveWrite,
                               sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set32<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, Thread::Current(),
                                                        sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set32<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_set64_static_from_code(uint32_t field_idx,
                                                       mirror::ArtMethod* referrer,
                                                       int64_t new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set64<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  field = FindFieldFromCode<StaticPrimitiveWrite, true>(field_idx, referrer, Thread::Current(),
                                                        sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set64<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_set_obj_static_from_code(uint32_t field_idx,
                                                         mirror::ArtMethod* referrer,
                                                         mirror::Object* new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, StaticObjectWrite,
                                          sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->SetObj<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  field = FindFieldFromCode<StaticObjectWrite, true>(field_idx, referrer, Thread::Current(),
                                                     sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->SetObj<false>(field->GetDeclaringClass(), new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_get32_static_from_code(uint32_t field_idx,
                                                       mirror::ArtMethod* referrer)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    return field->Get32(field->GetDeclaringClass());
  }
  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, Thread::Current(),
                                                       sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    return field->Get32(field->GetDeclaringClass());
  }
  return 0;
}

extern "C" int64_t art_portable_get64_static_from_code(uint32_t field_idx,
                                                       mirror::ArtMethod* referrer)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    return field->Get64(field->GetDeclaringClass());
  }
  field = FindFieldFromCode<StaticPrimitiveRead, true>(field_idx, referrer, Thread::Current(),
                                                       sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    return field->Get64(field->GetDeclaringClass());
  }
  return 0;
}

extern "C" mirror::Object* art_portable_get_obj_static_from_code(uint32_t field_idx,
                                                                 mirror::ArtMethod* referrer)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, StaticObjectRead,
                                          sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    return field->GetObj(field->GetDeclaringClass());
  }
  field = FindFieldFromCode<StaticObjectRead, true>(field_idx, referrer, Thread::Current(),
                                                    sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    return field->GetObj(field->GetDeclaringClass());
  }
  return 0;
}

extern "C" int32_t art_portable_set32_instance_from_code(uint32_t field_idx,
                                                         mirror::ArtMethod* referrer,
                                                         mirror::Object* obj, uint32_t new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set32<false>(obj, new_value);
    return 0;
  }
  field = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, Thread::Current(),
                                                          sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set32<false>(obj, new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_set64_instance_from_code(uint32_t field_idx,
                                                         mirror::ArtMethod* referrer,
                                                         mirror::Object* obj, int64_t new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set64<false>(obj, new_value);
    return 0;
  }
  field = FindFieldFromCode<InstancePrimitiveWrite, true>(field_idx, referrer, Thread::Current(),
                                                          sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->Set64<false>(obj, new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_set_obj_instance_from_code(uint32_t field_idx,
                                                           mirror::ArtMethod* referrer,
                                                           mirror::Object* obj,
                                                           mirror::Object* new_value)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstanceObjectWrite,
                                          sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->SetObj<false>(obj, new_value);
    return 0;
  }
  field = FindFieldFromCode<InstanceObjectWrite, true>(field_idx, referrer, Thread::Current(),
                                                       sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    // Compiled code can't use transactional mode.
    field->SetObj<false>(obj, new_value);
    return 0;
  }
  return -1;
}

extern "C" int32_t art_portable_get32_instance_from_code(uint32_t field_idx,
                                                         mirror::ArtMethod* referrer,
                                                         mirror::Object* obj)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    return field->Get32(obj);
  }
  field = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, Thread::Current(),
                                                         sizeof(uint32_t));
  if (LIKELY(field != NULL)) {
    return field->Get32(obj);
  }
  return 0;
}

extern "C" int64_t art_portable_get64_instance_from_code(uint32_t field_idx,
                                                         mirror::ArtMethod* referrer,
                                                         mirror::Object* obj)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    return field->Get64(obj);
  }
  field = FindFieldFromCode<InstancePrimitiveRead, true>(field_idx, referrer, Thread::Current(),
                                                         sizeof(uint64_t));
  if (LIKELY(field != NULL)) {
    return field->Get64(obj);
  }
  return 0;
}

extern "C" mirror::Object* art_portable_get_obj_instance_from_code(uint32_t field_idx,
                                                                   mirror::ArtMethod* referrer,
                                                                   mirror::Object* obj)
    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
  mirror::ArtField* field = FindFieldFast(field_idx, referrer, InstanceObjectRead,
                                          sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    return field->GetObj(obj);
  }
  field = FindFieldFromCode<InstanceObjectRead, true>(field_idx, referrer, Thread::Current(),
                                                      sizeof(mirror::HeapReference<mirror::Object>));
  if (LIKELY(field != NULL)) {
    return field->GetObj(obj);
  }
  return 0;
}

}  // namespace art