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author | Ian Rogers <irogers@google.com> | 2013-07-26 12:05:57 -0700 |
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committer | Ian Rogers <irogers@google.com> | 2013-07-29 09:52:11 -0700 |
commit | 166db04e259ca51838c311891598664deeed85ad (patch) | |
tree | 5ffa63c1b3bf58e92be2890c54f0ba6fdec2059e /runtime/entrypoints/quick/quick_fillarray_entrypoints.cc | |
parent | d41119e863a9f9c5809b7732d30870ffd237b60c (diff) | |
download | art-166db04e259ca51838c311891598664deeed85ad.tar.gz art-166db04e259ca51838c311891598664deeed85ad.tar.bz2 art-166db04e259ca51838c311891598664deeed85ad.zip |
Move assembler out of runtime into compiler/utils.
Other directory layout bits of clean up. There is still work to separate quick
and portable in some files (e.g. argument visitor, proxy..).
Change-Id: If8fecffda8ba5c4c47a035f0c622c538c6b58351
Diffstat (limited to 'runtime/entrypoints/quick/quick_fillarray_entrypoints.cc')
-rw-r--r-- | runtime/entrypoints/quick/quick_fillarray_entrypoints.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/runtime/entrypoints/quick/quick_fillarray_entrypoints.cc b/runtime/entrypoints/quick/quick_fillarray_entrypoints.cc new file mode 100644 index 0000000000..a0b06fb521 --- /dev/null +++ b/runtime/entrypoints/quick/quick_fillarray_entrypoints.cc @@ -0,0 +1,63 @@ +/* + * 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 "common_throws.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)) { + ThrowNullPointerException(NULL, "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())) { + ThrowLocation throw_location = self->GetCurrentLocationForThrow(); + self->ThrowNewExceptionF(throw_location, "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 |