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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 "elf_writer.h"
+
+#include "base/unix_file/fd_file.h"
+#include "class_linker.h"
+#include "dex_file-inl.h"
+#include "dex_method_iterator.h"
+#include "driver/compiler_driver.h"
+#include "elf_file.h"
+#include "invoke_type.h"
+#include "llvm/utils_llvm.h"
+#include "mirror/abstract_method-inl.h"
+#include "mirror/object-inl.h"
+#include "oat.h"
+#include "oat_file.h"
+#include "scoped_thread_state_change.h"
+
+namespace art {
+
+ElfWriter::ElfWriter(const CompilerDriver& driver, File* elf_file)
+ : compiler_driver_(&driver), elf_file_(elf_file) {}
+
+ElfWriter::~ElfWriter() {}
+
+llvm::ELF::Elf32_Addr ElfWriter::GetOatDataAddress(ElfFile* elf_file) {
+ llvm::ELF::Elf32_Addr oatdata_address = elf_file->FindSymbolAddress(llvm::ELF::SHT_DYNSYM,
+ "oatdata",
+ false);
+ CHECK_NE(0U, oatdata_address);
+ return oatdata_address;
+}
+
+void ElfWriter::GetOatElfInformation(File* file,
+ size_t& oat_loaded_size,
+ size_t& oat_data_offset) {
+ UniquePtr<ElfFile> elf_file(ElfFile::Open(file, false, false));
+ CHECK(elf_file.get() != NULL);
+
+ oat_loaded_size = elf_file->GetLoadedSize();
+ CHECK_NE(0U, oat_loaded_size);
+ oat_data_offset = GetOatDataAddress(elf_file.get());
+ CHECK_NE(0U, oat_data_offset);
+}
+
+} // namespace art