/* Copyright 2017 - 2025 R. Thomas

* Copyright 2017 - 2025 Quarkslab

*

* 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 "LIEF/OAT/hash.hpp"

#include "LIEF/OAT/Binary.hpp"

#include "LIEF/OAT/Class.hpp"

#include "LIEF/OAT/DexFile.hpp"

#include "LIEF/OAT/Header.hpp"

#include "LIEF/OAT/Method.hpp"

#include "LIEF/DEX/File.hpp"

#include "LIEF/DEX/Method.hpp"

#include "LIEF/DEX/Class.hpp"

#include "LIEF/DEX/hash.hpp"

namespace LIEF {

namespace OAT {

Hash::~Hash() = default;

size_t Hash::hash(const Object& obj) {

return LIEF::Hash::hash<LIEF::OAT::Hash>(obj);

}

void Hash::visit(const Binary& binary) {

process(binary.header());

process(std::begin(binary.oat_dex_files()), std::end(binary.oat_dex_files()));

process(std::begin(binary.classes()), std::end(binary.classes()));

process(std::begin(binary.methods()), std::end(binary.methods()));

}

void Hash::visit(const Header& header) {

process(header.magic());

process(header.version());

process(header.checksum());

process(header.instruction_set());

process(header.nb_dex_files());

process(header.oat_dex_files_offset());

process(header.executable_offset());

process(header.i2i_bridge_offset());

process(header.i2c_code_bridge_offset());

process(header.jni_dlsym_lookup_offset());

process(header.quick_generic_jni_trampoline_offset());

process(header.quick_imt_conflict_trampoline_offset());

process(header.quick_resolution_trampoline_offset());

process(header.quick_to_interpreter_bridge_offset());

process(header.image_patch_delta());

process(header.image_file_location_oat_checksum());

process(header.image_file_location_oat_data_begin());

process(header.key_value_size());

process(std::begin(header.keys()), std::end(header.keys()));

process(std::begin(header.values()), std::end(header.values()));

}

void Hash::visit(const DexFile& dex_file) {

process(dex_file.location());

process(dex_file.checksum());

process(dex_file.dex_offset());

if (dex_file.has_dex_file()) {

process(DEX::Hash::hash(*dex_file.dex_file()));

}

process(dex_file.lookup_table_offset());

process(dex_file.classes_offsets());

}

void Hash::visit(const Class& cls) {

if (cls.has_dex_class()) {

process(DEX::Hash::hash(*cls.dex_class()));

}

process(cls.status());

process(cls.type());

process(cls.fullname());

process(cls.bitmap());

Class::it_const_methods it = cls.methods();

process(std::begin(it), std::end(it));

}

void Hash::visit(const Method& meth) {

if (meth.has_dex_method()) {

process(DEX::Hash::hash(*meth.dex_method()));

}

process(static_cast<size_t>(meth.is_dex2dex_optimized()));

process(static_cast<size_t>(meth.is_compiled()));

process(meth.quick_code());

}

} // namespace OAT

} // namespace LIEF