/* Copyright 2017 R. Thomas * Copyright 2017 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. */ #ifndef LIEF_ART_JAVA_STRUCTURES_H_ #define LIEF_ART_JAVA_STRUCTURES_H_ #include #include #include "LIEF/types.hpp" #include "LIEF/ART/enums.hpp" #include "LIEF/ART/type_traits.hpp" namespace LIEF { //! @brief Namespace related to the LIEF's ART module namespace ART { struct no_brooks_read_barrier_t {}; // ====================== // Android 6.0.1 - ART 17 // ====================== namespace ART_17 { //! @brief Namespace related to the Java part of ART 17 namespace Java { using heap_reference_t = uint32_t; struct brooks_read_barrier_t { uint32_t x_rb_ptr; uint32_t x_xpadding; }; template struct jobject_t { heap_reference_t klass; uint32_t monitor; T brooks_read_barrier; }; template<> struct jobject_t { heap_reference_t klass; uint32_t monitor; }; template struct ALIGNED_(4) jarray_t { jobject_t object; int32_t length; uint32_t* elements; }; template struct ALIGNED_(4) jclass_t { jobject_t object; heap_reference_t class_loader; heap_reference_t component_type; heap_reference_t dex_cache; heap_reference_t dex_cache_strings; heap_reference_t iftable; heap_reference_t name; heap_reference_t super_class; heap_reference_t verify_error_class; heap_reference_t vtable; uint32_t access_flags; uint64_t direct_methods; uint64_t ifields; uint64_t sfields; uint64_t virtual_methods; uint32_t class_size; uint32_t clinit_thread_id; int32_t dex_class_def_idx; int32_t dex_type_idx; uint32_t num_direct_methods; uint32_t num_instance_fields; uint32_t num_reference_instance_fields; uint32_t num_reference_static_fields; uint32_t num_static_fields; uint32_t num_virtual_methods; uint32_t object_size; uint32_t primitive_type; uint32_t reference_instance_offsets; int32_t status; }; template struct ALIGNED_(4) jstring_t { jobject_t object; int32_t count; uint32_t hash_code; uint16_t* value; }; template struct ALIGNED_(4) jdex_cache_t { jobject_t object; heap_reference_t dex; heap_reference_t location; heap_reference_t resolved_fields; heap_reference_t resolved_methods; heap_reference_t resolved_types; heap_reference_t strings; uint64_t dex_file; }; } // Namespace Java } // Namespace ART_17 // ====================== // Android 7.0.0 - ART 29 // ====================== namespace ART_29 { //! @brief Namespace related to the Java part of ART 29 namespace Java { using heap_reference_t = ART_17::Java::heap_reference_t; using brooks_read_barrier_t = ART_17::Java::brooks_read_barrier_t; template using jobject_t = ART_17::Java::jobject_t; template using jarray_t = ART_17::Java::jarray_t; template struct ALIGNED_(4) jclass_t { jobject_t object; heap_reference_t annotation_type; // ADDED in ART 29 heap_reference_t class_loader; heap_reference_t component_type; heap_reference_t dex_cache; // heap_reference_t dex_cache_strings; // REMOVED in ART 29 heap_reference_t iftable; heap_reference_t name; heap_reference_t super_class; heap_reference_t verify_error; // Type CHANGED from Class to Object heap_reference_t vtable; uint32_t access_flags; uint64_t dex_cache_strings; // direct_methods REPLACED with dex_cache_string uint64_t ifields; uint64_t methods; // ADDED in ART 29 uint64_t sfields; uint32_t class_flags; // virtual_methods REPLACED with class_flags uint32_t class_size; uint32_t clinit_thread_id; int32_t dex_class_def_idx; int32_t dex_type_idx; // uint32_t num_direct_methods; // REMOVED in ART 29 // uint32_t num_instance_fields; // REMOVED in ART 29 uint32_t num_reference_instance_fields; uint32_t num_reference_static_fields; // uint32_t num_static_fields; // REMOVED in ART 29 // uint32_t num_virtual_methods; // REMOVED in ART 29 uint32_t object_size; uint32_t primitive_type; uint32_t reference_instance_offsets; int32_t status; uint16_t copied_methods_offset; // ADDED in ART 29 uint16_t virtual_methods_offset; // ADDED in ART 29 }; // No changes in jstring structure template using jstring_t = ART_17::Java::jstring_t; template struct ALIGNED_(4) jdex_cache_t { jobject_t object; heap_reference_t dex; heap_reference_t location; uint64_t dex_file; // LOCATION CHANGED uint64_t resolved_fields; // TYPE CHANGED from heap_reference_t to uint64_t uint64_t resolved_methods; // TYPE CHANGED from heap_reference_t to uint64_t uint64_t resolved_types; // TYPE CHANGED from heap_reference_t to uint64_t uint64_t strings; // TYPE CHANGED from heap_reference_t to uint64_t uint32_t num_resolved_fields; // ADDED in ART 29 uint32_t num_resolved_methods; // ADDED in ART 29 uint32_t num_resolved_types; // ADDED in ART 29 uint32_t num_strings; // ADDED in ART 29 }; } // Namespace Java } // Namespace ART_29 // ====================== // Android 7.1.X - ART 30 // ====================== namespace ART_30 { //! @brief Namespace related to the Java part of ART 30 namespace Java { using heap_reference_t = ART_29::Java::heap_reference_t; using brooks_read_barrier_t = ART_29::Java::brooks_read_barrier_t; template using jobject_t = ART_29::Java::jobject_t; template using jarray_t = ART_29::Java::jarray_t; template using jclass_t = ART_29::Java::jclass_t; // No changes in jstring structure template using jstring_t = ART_29::Java::jstring_t; // No changes in jdex_cache structure template using jdex_cache_t = ART_29::Java::jdex_cache_t; } // Namespace Java } // Namespace ART_30 // ====================== // Android 8.0.0 - ART 44 // ====================== namespace ART_44 { //! @brief Namespace related to the Java part of ART 44 namespace Java { using heap_reference_t = ART_30::Java::heap_reference_t; using brooks_read_barrier_t = ART_30::Java::brooks_read_barrier_t; template using jobject_t = ART_30::Java::jobject_t; template using jarray_t = ART_30::Java::jarray_t; template struct ALIGNED_(4) jclass_t { jobject_t object; // heap_reference_t annotation_type; // REMOVED in ART 44 heap_reference_t class_loader; heap_reference_t component_type; heap_reference_t dex_cache; heap_reference_t ext_data; // ADDED in ART 44 heap_reference_t iftable; heap_reference_t name; heap_reference_t super_class; // heap_reference_t verify_error; // REMOVED in ART 44 heap_reference_t vtable; // uint32_t access_flags; // REMOVED in ART 44 // uint64_t dex_cache_strings; // REMOVED in ART 44 uint64_t ifields; uint64_t methods; uint64_t sfields; uint32_t access_flags; // ADDED in ART 44 uint32_t class_flags; uint32_t class_size; uint32_t clinit_thread_id; int32_t dex_class_def_idx; int32_t dex_type_idx; uint32_t num_reference_instance_fields; uint32_t num_reference_static_fields; uint32_t object_size; uint32_t object_size_alloc_fast_path; // ADDED in ART 44 uint32_t primitive_type; uint32_t reference_instance_offsets; int32_t status; uint16_t copied_methods_offset; uint16_t virtual_methods_offset; }; // No changes in jstring structure but string can be // encoded as as char16_t or char (compressed) // count[0] (LSB) == 1 ----> compressed // count[0] (LSB) == 0 ----> chat16_t template using jstring_t = ART_30::Java::jstring_t; template struct ALIGNED_(4) jdex_cache_t { jobject_t object; // heap_reference_t dex; // REMOVED in ART 44 heap_reference_t location; uint32_t num_resolved_call_sites; // ADDED in ART 44 (related to DEX38 format) uint64_t dex_file; uint64_t resolved_call_sites; // ADDED in ART 44 (related to DEX38 format) uint64_t resolved_fields; uint64_t resolved_method_types; // ADDED in ART 44 uint64_t resolved_methods; uint64_t resolved_types; uint64_t strings; uint32_t num_resolved_fields; uint32_t num_resolved_methods_types; // ADDED in ART 44 uint32_t num_resolved_methods; uint32_t num_resolved_types; uint32_t num_strings; }; } // Namespace Java } // Namespace ART_44 // ====================== // Android 8.1.X - ART 46 // ====================== namespace ART_46 { //! @brief Namespace related to the Java part of ART 46 namespace Java { using heap_reference_t = ART_44::Java::heap_reference_t; using brooks_read_barrier_t = ART_44::Java::brooks_read_barrier_t; template using jobject_t = ART_44::Java::jobject_t; template using jarray_t = ART_44::Java::jarray_t; template using jclass_t = ART_44::Java::jclass_t; template using jstring_t = ART_44::Java::jstring_t; template using jdex_cache_t = ART_44::Java::jdex_cache_t; } // Namespace Java } // Namespace ART_46 } // Namespace ART } // Namespace LIEF #endif