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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 "callee_save_frame.h"
#include "dex_file-inl.h"
#include "mirror/abstract_method-inl.h"
#include "mirror/class-inl.h"
#include "mirror/field-inl.h"
#include "runtime_support.h"
#include <stdint.h>
namespace art {
extern "C" uint32_t artGet32StaticFromCode(uint32_t field_idx,
const mirror::AbstractMethod* referrer,
Thread* self, mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int32_t));
if (LIKELY(field != NULL)) {
return field->Get32(field->GetDeclaringClass());
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticPrimitiveRead, sizeof(int32_t));
if (LIKELY(field != NULL)) {
return field->Get32(field->GetDeclaringClass());
}
return 0; // Will throw exception by checking with Thread::Current
}
extern "C" uint64_t artGet64StaticFromCode(uint32_t field_idx,
const mirror::AbstractMethod* referrer,
Thread* self, mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticPrimitiveRead, sizeof(int64_t));
if (LIKELY(field != NULL)) {
return field->Get64(field->GetDeclaringClass());
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticPrimitiveRead, sizeof(int64_t));
if (LIKELY(field != NULL)) {
return field->Get64(field->GetDeclaringClass());
}
return 0; // Will throw exception by checking with Thread::Current
}
extern "C" mirror::Object* artGetObjStaticFromCode(uint32_t field_idx,
const mirror::AbstractMethod* referrer,
Thread* self, mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticObjectRead,
sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
return field->GetObj(field->GetDeclaringClass());
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticObjectRead, sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
return field->GetObj(field->GetDeclaringClass());
}
return NULL; // Will throw exception by checking with Thread::Current
}
extern "C" uint32_t artGet32InstanceFromCode(uint32_t field_idx, mirror::Object* obj,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int32_t));
if (LIKELY(field != NULL && obj != NULL)) {
return field->Get32(obj);
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, InstancePrimitiveRead, sizeof(int32_t));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, true);
} else {
return field->Get32(obj);
}
}
return 0; // Will throw exception by checking with Thread::Current
}
extern "C" uint64_t artGet64InstanceFromCode(uint32_t field_idx, mirror::Object* obj,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, InstancePrimitiveRead, sizeof(int64_t));
if (LIKELY(field != NULL && obj != NULL)) {
return field->Get64(obj);
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, InstancePrimitiveRead, sizeof(int64_t));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, true);
} else {
return field->Get64(obj);
}
}
return 0; // Will throw exception by checking with Thread::Current
}
extern "C" mirror::Object* artGetObjInstanceFromCode(uint32_t field_idx, mirror::Object* obj,
const mirror::AbstractMethod* referrer,
Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, InstanceObjectRead, sizeof(mirror::Object*));
if (LIKELY(field != NULL && obj != NULL)) {
return field->GetObj(obj);
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, InstanceObjectRead, sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, true);
} else {
return field->GetObj(obj);
}
}
return NULL; // Will throw exception by checking with Thread::Current
}
extern "C" int artSet32StaticFromCode(uint32_t field_idx, uint32_t new_value,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int32_t));
if (LIKELY(field != NULL)) {
field->Set32(field->GetDeclaringClass(), new_value);
return 0; // success
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticPrimitiveWrite, sizeof(int32_t));
if (LIKELY(field != NULL)) {
field->Set32(field->GetDeclaringClass(), new_value);
return 0; // success
}
return -1; // failure
}
extern "C" int artSet64StaticFromCode(uint32_t field_idx, const mirror::AbstractMethod* referrer,
uint64_t new_value, Thread* self, mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticPrimitiveWrite, sizeof(int64_t));
if (LIKELY(field != NULL)) {
field->Set64(field->GetDeclaringClass(), new_value);
return 0; // success
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticPrimitiveWrite, sizeof(int64_t));
if (LIKELY(field != NULL)) {
field->Set64(field->GetDeclaringClass(), new_value);
return 0; // success
}
return -1; // failure
}
extern "C" int artSetObjStaticFromCode(uint32_t field_idx, mirror::Object* new_value,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, StaticObjectWrite,
sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
if (LIKELY(!FieldHelper(field).IsPrimitiveType())) {
field->SetObj(field->GetDeclaringClass(), new_value);
return 0; // success
}
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, StaticObjectWrite, sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
field->SetObj(field->GetDeclaringClass(), new_value);
return 0; // success
}
return -1; // failure
}
extern "C" int artSet32InstanceFromCode(uint32_t field_idx, mirror::Object* obj, uint32_t new_value,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite, sizeof(int32_t));
if (LIKELY(field != NULL && obj != NULL)) {
field->Set32(obj, new_value);
return 0; // success
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, InstancePrimitiveWrite, sizeof(int32_t));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, false);
} else {
field->Set32(obj, new_value);
return 0; // success
}
}
return -1; // failure
}
extern "C" int artSet64InstanceFromCode(uint32_t field_idx, mirror::Object* obj, uint64_t new_value,
Thread* self, mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::AbstractMethod* callee_save = Runtime::Current()->GetCalleeSaveMethod(Runtime::kRefsOnly);
mirror::AbstractMethod* referrer =
sp[callee_save->GetFrameSizeInBytes() / sizeof(mirror::AbstractMethod*)];
mirror::Field* field = FindFieldFast(field_idx, referrer, InstancePrimitiveWrite,
sizeof(int64_t));
if (LIKELY(field != NULL && obj != NULL)) {
field->Set64(obj, new_value);
return 0; // success
}
*sp = callee_save;
self->SetTopOfStack(sp, 0);
field = FindFieldFromCode(field_idx, referrer, self, InstancePrimitiveWrite, sizeof(int64_t));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, false);
} else {
field->Set64(obj, new_value);
return 0; // success
}
}
return -1; // failure
}
extern "C" int artSetObjInstanceFromCode(uint32_t field_idx, mirror::Object* obj,
mirror::Object* new_value,
const mirror::AbstractMethod* referrer, Thread* self,
mirror::AbstractMethod** sp)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
mirror::Field* field = FindFieldFast(field_idx, referrer, InstanceObjectWrite,
sizeof(mirror::Object*));
if (LIKELY(field != NULL && obj != NULL)) {
field->SetObj(obj, new_value);
return 0; // success
}
FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly);
field = FindFieldFromCode(field_idx, referrer, self, InstanceObjectWrite,
sizeof(mirror::Object*));
if (LIKELY(field != NULL)) {
if (UNLIKELY(obj == NULL)) {
ThrowNullPointerExceptionForFieldAccess(field, false);
} else {
field->SetObj(obj, new_value);
return 0; // success
}
}
return -1; // failure
}
} // namespace art