1 files changed, 63 insertions, 0 deletions
diff --git a/runtime/oat/runtime/support_fillarray.cc b/runtime/oat/runtime/support_fillarray.cc
new file mode 100644
index 0000000000..a0b06fb521
--- /dev/null
+++ b/runtime/oat/runtime/support_fillarray.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