| /* |
| * 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_instruction.h" |
| #include "mirror/array.h" |
| #include "mirror/object-inl.h" |
| |
| namespace art { |
| |
| /* |
| * Fill the array with predefined constant values, throwing exceptions if the array is null or |
| * not of sufficient length. |
| * |
| * NOTE: When dealing with a raw dex file, the data to be copied uses |
| * little-endian ordering. Require that oat2dex do any required swapping |
| * so this routine can get by with a memcpy(). |
| * |
| * Format of the data: |
| * ushort ident = 0x0300 magic value |
| * ushort width width of each element in the table |
| * uint size number of elements in the table |
| * ubyte data[size*width] table of data values (may contain a single-byte |
| * padding at the end) |
| */ |
| extern "C" int artHandleFillArrayDataFromCode(mirror::Array* array, |
| const Instruction::ArrayDataPayload* payload, |
| Thread* self, mirror::AbstractMethod** sp) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly); |
| DCHECK_EQ(payload->ident, static_cast<uint16_t>(Instruction::kArrayDataSignature)); |
| if (UNLIKELY(array == NULL)) { |
| Thread::Current()->ThrowNewExceptionF("Ljava/lang/NullPointerException;", |
| "null array in FILL_ARRAY_DATA"); |
| return -1; // Error |
| } |
| DCHECK(array->IsArrayInstance() && !array->IsObjectArray()); |
| if (UNLIKELY(static_cast<int32_t>(payload->element_count) > array->GetLength())) { |
| Thread::Current()->ThrowNewExceptionF("Ljava/lang/ArrayIndexOutOfBoundsException;", |
| "failed FILL_ARRAY_DATA; length=%d, index=%d", |
| array->GetLength(), payload->element_count); |
| return -1; // Error |
| } |
| uint32_t size_in_bytes = payload->element_count * payload->element_width; |
| memcpy(array->GetRawData(payload->element_width), payload->data, size_in_bytes); |
| return 0; // Success |
| } |
| |
| } // namespace art |
