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Diffstat (limited to 'compiler/elf_writer.cc')
-rw-r--r-- | compiler/elf_writer.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/compiler/elf_writer.cc b/compiler/elf_writer.cc new file mode 100644 index 0000000000..0823a53f87 --- /dev/null +++ b/compiler/elf_writer.cc @@ -0,0 +1,60 @@ +/* + * 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 |