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/* 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 <cstring>
#include <tuple>
#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<class T>
struct jobject_t {
heap_reference_t klass;
uint32_t monitor;
T brooks_read_barrier;
};
template<>
struct jobject_t<no_brooks_read_barrier_t> {
heap_reference_t klass;
uint32_t monitor;
};
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jarray_t {
jobject_t<T> object;
int32_t length;
uint32_t* elements;
};
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jclass_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jstring_t {
jobject_t<T> object;
int32_t count;
uint32_t hash_code;
uint16_t* value;
};
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jdex_cache_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
using jobject_t = ART_17::Java::jobject_t<T>;
template<class T = no_brooks_read_barrier_t>
using jarray_t = ART_17::Java::jarray_t<T>;
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jclass_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
using jstring_t = ART_17::Java::jstring_t<T>;
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jdex_cache_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
using jobject_t = ART_29::Java::jobject_t<T>;
template<class T = no_brooks_read_barrier_t>
using jarray_t = ART_29::Java::jarray_t<T>;
template<class T = no_brooks_read_barrier_t>
using jclass_t = ART_29::Java::jclass_t<T>;
// No changes in jstring structure
template<class T = no_brooks_read_barrier_t>
using jstring_t = ART_29::Java::jstring_t<T>;
// No changes in jdex_cache structure
template<class T = no_brooks_read_barrier_t>
using jdex_cache_t = ART_29::Java::jdex_cache_t<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<class T = no_brooks_read_barrier_t>
using jobject_t = ART_30::Java::jobject_t<T>;
template<class T = no_brooks_read_barrier_t>
using jarray_t = ART_30::Java::jarray_t<T>;
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jclass_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
using jstring_t = ART_30::Java::jstring_t<T>;
template<class T = no_brooks_read_barrier_t>
struct ALIGNED_(4) jdex_cache_t {
jobject_t<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<class T = no_brooks_read_barrier_t>
using jobject_t = ART_44::Java::jobject_t<T>;
template<class T = no_brooks_read_barrier_t>
using jarray_t = ART_44::Java::jarray_t<T>;
template<class T = no_brooks_read_barrier_t>
using jclass_t = ART_44::Java::jclass_t<T>;
template<class T = no_brooks_read_barrier_t>
using jstring_t = ART_44::Java::jstring_t<T>;
template<class T = no_brooks_read_barrier_t>
using jdex_cache_t = ART_44::Java::jdex_cache_t<T>;
} // Namespace Java
} // Namespace ART_46
} // Namespace ART
} // Namespace LIEF
#endif
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