unity libil2cpp.so 代码动态库热更实现

unity libil2cpp.so 代码动态库热更实现
代码热更分别要实现动态库热更和global-metadata.dat的热更。无任何兼容问题。

libil2cpp.so动态库热更
构造一个libil2cpp.so一样的导出函数的跳板动态库，把所有的函数转发到跳板来，在跳板里实现加载自定义的libil2cpp.so达到热更目的。

1.声明出il2cpp所有的导出函数

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//
// Created by Administrator on 2019/5/14.
//
  
#ifndef TEST_UPDATE_IL2CPP_API_FUNCTIONS_H
#define TEST_UPDATE_IL2CPP_API_FUNCTIONS_H
#include <stdint.h>
#include <stddef.h>
#ifndef DO_API_NO_RETURN
#define DO_API_NO_RETURN(r, n, p) DO_API(r,n,p)
#endif
typedef void (*Il2CppMethodPointer)();
typedef uint16_t Il2CppChar;
typedef struct
{
void* (*malloc_func)(size_t size);
void* (*aligned_malloc_func)(size_t size, size_t alignment);
void (*free_func)(void *ptr);
void (*aligned_free_func)(void *ptr);
void* (*calloc_func)(size_t nmemb, size_t size);
void* (*realloc_func)(void *ptr, size_t size);
void* (*aligned_realloc_func)(void *ptr, size_t size, size_t alignment);
} Il2CppMemoryCallbacks;
typedef void Il2CppClass;
typedef void Il2CppArray;
typedef void Il2CppImage;
typedef void Il2CppAssembly;
typedef void Il2CppReflectionType;
typedef void EventInfo;
typedef uintptr_t il2cpp_array_size_t;
typedef void FieldInfo;
typedef void PropertyInfo;
typedef void MethodInfo;
typedef void Il2CppType;
typedef enum
{
Stat_VOID,
}Il2CppStat;
  
typedef enum
{
Event_VOID,
}Il2CppGCEvent;
  
typedef enum
{
Kind_VOID,
}Il2CppProfileFileIOKind;
  
typedef enum
{
Policy_VOID,
}Il2CppRuntimeUnhandledExceptionPolicy;
  
typedef enum
{
    Flags_VOID,
} Il2CppProfileFlags;
  
typedef void Il2CppDomain;
typedef void Il2CppException;
typedef void Il2CppObject;
typedef void Il2CppReflectionMethod;
typedef void Il2CppProfiler;
typedef void Il2CppString;
typedef void Il2CppThread;
typedef void Il2CppManagedMemorySnapshot;
typedef void Il2CppCustomAttrInfo;
typedef void Il2CppStackFrameInfo;
typedef char Il2CppNativeChar;
typedef void (*il2cpp_register_object_callback)(Il2CppObject** arr, int size, void* userdata);
typedef void (*il2cpp_WorldChangedCallback)();
typedef void (*Il2CppFrameWalkFunc) (const Il2CppStackFrameInfo *info, void *user_data);
typedef void (*Il2CppProfileFunc) (Il2CppProfiler* prof);
typedef void (*Il2CppProfileMethodFunc) (Il2CppProfiler* prof, const MethodInfo *method);
typedef void (*Il2CppProfileAllocFunc) (Il2CppProfiler* prof, Il2CppObject *obj, Il2CppClass *klass);
typedef void (*Il2CppProfileGCFunc) (Il2CppProfiler* prof, Il2CppGCEvent event, int generation);
typedef void (*Il2CppProfileGCResizeFunc) (Il2CppProfiler* prof, int64_t new_size);
typedef void (*Il2CppProfileFileIOFunc) (Il2CppProfiler* prof, Il2CppProfileFileIOKind kind, int count);
typedef void (*Il2CppProfileThreadFunc) (Il2CppProfiler *prof, unsigned long tid);
typedef void (*Il2CppLogCallback)(const char*);
typedef const Il2CppNativeChar* (*Il2CppSetFindPlugInCallback)(const Il2CppNativeChar*);
  
#define DEFINE_IL2CPP_FUN(a, b, c)\
DO_API(a, b, c);\
typedef a (*p_##b)c;
  
DEFINE_IL2CPP_FUN(void, il2cpp_init, (const char* domain_name));
DEFINE_IL2CPP_FUN(void, il2cpp_init_utf16, (const Il2CppChar * domain_name));
DEFINE_IL2CPP_FUN(void, il2cpp_shutdown, ());
DEFINE_IL2CPP_FUN(void, il2cpp_set_config_dir, (const char *config_path));
DEFINE_IL2CPP_FUN(void, il2cpp_set_data_dir, (const char *data_path));
DEFINE_IL2CPP_FUN(void, il2cpp_set_temp_dir, (const char *temp_path));
DEFINE_IL2CPP_FUN(void, il2cpp_set_commandline_arguments, (int argc, const char* const argv[], const char* basedir));
DEFINE_IL2CPP_FUN(void, il2cpp_set_commandline_arguments_utf16, (int argc, const Il2CppChar * const argv[], const char* basedir));
DEFINE_IL2CPP_FUN(void, il2cpp_set_config_utf16, (const Il2CppChar * executablePath));
DEFINE_IL2CPP_FUN(void, il2cpp_set_config, (const char* executablePath));
  
DEFINE_IL2CPP_FUN(void, il2cpp_set_memory_callbacks, (Il2CppMemoryCallbacks * callbacks));
DEFINE_IL2CPP_FUN(const Il2CppImage*, il2cpp_get_corlib, ());
DEFINE_IL2CPP_FUN(void, il2cpp_add_internal_call, (const char* name, Il2CppMethodPointer method));
DEFINE_IL2CPP_FUN(Il2CppMethodPointer, il2cpp_resolve_icall, (const char* name));
  
DEFINE_IL2CPP_FUN(void*, il2cpp_alloc, (size_t size));
DEFINE_IL2CPP_FUN(void, il2cpp_free, (void* ptr));
  
// array
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_array_class_get, (Il2CppClass * element_class, uint32_t rank));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_array_length, (Il2CppArray * array));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_array_get_byte_length, (Il2CppArray * array));
DEFINE_IL2CPP_FUN(Il2CppArray*, il2cpp_array_new, (Il2CppClass * elementTypeInfo, il2cpp_array_size_t length));
DEFINE_IL2CPP_FUN(Il2CppArray*, il2cpp_array_new_specific, (Il2CppClass * arrayTypeInfo, il2cpp_array_size_t length));
DEFINE_IL2CPP_FUN(Il2CppArray*, il2cpp_array_new_full, (Il2CppClass * array_class, il2cpp_array_size_t * lengths, il2cpp_array_size_t * lower_bounds));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_bounded_array_class_get, (Il2CppClass * element_class, uint32_t rank, bool bounded));
DEFINE_IL2CPP_FUN(int, il2cpp_array_element_size, (const Il2CppClass * array_class));
  
// assembly
DEFINE_IL2CPP_FUN(const Il2CppImage*, il2cpp_assembly_get_image, (const Il2CppAssembly * assembly));
  
// class
DEFINE_IL2CPP_FUN(const Il2CppType*, il2cpp_class_enum_basetype, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_generic, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_inflated, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_assignable_from, (Il2CppClass * klass, Il2CppClass * oklass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_subclass_of, (Il2CppClass * klass, Il2CppClass * klassc, bool check_interfaces));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_has_parent, (Il2CppClass * klass, Il2CppClass * klassc));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_from_il2cpp_type, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_from_name, (const Il2CppImage * image, const char* namespaze, const char *name));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_from_system_type, (Il2CppReflectionType * type));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_get_element_class, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(const EventInfo*, il2cpp_class_get_events, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(FieldInfo*, il2cpp_class_get_fields, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_get_nested_types, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_get_interfaces, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(const PropertyInfo*, il2cpp_class_get_properties, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(const PropertyInfo*, il2cpp_class_get_property_from_name, (Il2CppClass * klass, const char *name));
DEFINE_IL2CPP_FUN(FieldInfo*, il2cpp_class_get_field_from_name, (Il2CppClass * klass, const char *name));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_class_get_methods, (Il2CppClass * klass, void* *iter));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_class_get_method_from_name, (Il2CppClass * klass, const char* name, int argsCount));
DEFINE_IL2CPP_FUN(const char*, il2cpp_class_get_name, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(const char*, il2cpp_class_get_namespace, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_get_parent, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_get_declaring_type, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(int32_t, il2cpp_class_instance_size, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(size_t, il2cpp_class_num_fields, (const Il2CppClass * enumKlass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_valuetype, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(int32_t, il2cpp_class_value_size, (Il2CppClass * klass, uint32_t * align));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_blittable, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(int, il2cpp_class_get_flags, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_abstract, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_interface, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(int, il2cpp_class_array_element_size, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_class_from_type, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(const Il2CppType*, il2cpp_class_get_type, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_class_get_type_token, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_has_attribute, (Il2CppClass * klass, Il2CppClass * attr_class));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_has_references, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_class_is_enum, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(const Il2CppImage*, il2cpp_class_get_image, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(const char*, il2cpp_class_get_assemblyname, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(int, il2cpp_class_get_rank, (const Il2CppClass * klass));
  
// testing only
DEFINE_IL2CPP_FUN(size_t, il2cpp_class_get_bitmap_size, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(void, il2cpp_class_get_bitmap, (Il2CppClass * klass, size_t * bitmap));
  
// stats
DEFINE_IL2CPP_FUN(bool, il2cpp_stats_dump_to_file, (const char *path));
DEFINE_IL2CPP_FUN(uint64_t, il2cpp_stats_get_value, (Il2CppStat stat));
  
// domain
DEFINE_IL2CPP_FUN(Il2CppDomain*, il2cpp_domain_get, ());
DEFINE_IL2CPP_FUN(const Il2CppAssembly*, il2cpp_domain_assembly_open, (Il2CppDomain * domain, const char* name));
DEFINE_IL2CPP_FUN(const Il2CppAssembly**, il2cpp_domain_get_assemblies, (const Il2CppDomain * domain, size_t * size));
  
// exception
DEFINE_IL2CPP_FUN(void, il2cpp_raise_exception, (Il2CppException*));
DEFINE_IL2CPP_FUN(Il2CppException*, il2cpp_exception_from_name_msg, (const Il2CppImage * image, const char *name_space, const char *name, const char *msg));
DEFINE_IL2CPP_FUN(Il2CppException*, il2cpp_get_exception_argument_null, (const char *arg));
DEFINE_IL2CPP_FUN(void, il2cpp_format_exception, (const Il2CppException * ex, char* message, int message_size));
DEFINE_IL2CPP_FUN(void, il2cpp_format_stack_trace, (const Il2CppException * ex, char* output, int output_size));
DEFINE_IL2CPP_FUN(void, il2cpp_unhandled_exception, (Il2CppException*));
  
// field
DEFINE_IL2CPP_FUN(int, il2cpp_field_get_flags, (FieldInfo * field));
DEFINE_IL2CPP_FUN(const char*, il2cpp_field_get_name, (FieldInfo * field));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_field_get_parent, (FieldInfo * field));
DEFINE_IL2CPP_FUN(size_t, il2cpp_field_get_offset, (FieldInfo * field));
DEFINE_IL2CPP_FUN(const Il2CppType*, il2cpp_field_get_type, (FieldInfo * field));
DEFINE_IL2CPP_FUN(void, il2cpp_field_get_value, (Il2CppObject * obj, FieldInfo * field, void *value));
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_field_get_value_object, (FieldInfo * field, Il2CppObject * obj));
DEFINE_IL2CPP_FUN(bool, il2cpp_field_has_attribute, (FieldInfo * field, Il2CppClass * attr_class));
DEFINE_IL2CPP_FUN(void, il2cpp_field_set_value, (Il2CppObject * obj, FieldInfo * field, void *value));
DEFINE_IL2CPP_FUN(void, il2cpp_field_static_get_value, (FieldInfo * field, void *value));
DEFINE_IL2CPP_FUN(void, il2cpp_field_static_set_value, (FieldInfo * field, void *value));
DEFINE_IL2CPP_FUN(void, il2cpp_field_set_value_object, (Il2CppObject * instance, FieldInfo * field, Il2CppObject * value));
  
// gc
DEFINE_IL2CPP_FUN(void, il2cpp_gc_collect, (int maxGenerations));
DEFINE_IL2CPP_FUN(int32_t, il2cpp_gc_collect_a_little, ());
DEFINE_IL2CPP_FUN(void, il2cpp_gc_disable, ());
DEFINE_IL2CPP_FUN(void, il2cpp_gc_enable, ());
DEFINE_IL2CPP_FUN(bool, il2cpp_gc_is_disabled, ());
DEFINE_IL2CPP_FUN(int64_t, il2cpp_gc_get_used_size, ());
DEFINE_IL2CPP_FUN(int64_t, il2cpp_gc_get_heap_size, ());
DEFINE_IL2CPP_FUN(void, il2cpp_gc_wbarrier_set_field, (Il2CppObject * obj, void **targetAddress, void *object));
  
// gchandle
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_gchandle_new, (Il2CppObject * obj, bool pinned));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_gchandle_new_weakref, (Il2CppObject * obj, bool track_resurrection));
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_gchandle_get_target , (uint32_t gchandle));
DEFINE_IL2CPP_FUN(void, il2cpp_gchandle_free, (uint32_t gchandle));
  
// liveness
DEFINE_IL2CPP_FUN(void*, il2cpp_unity_liveness_calculation_begin, (Il2CppClass * filter, int max_object_count, il2cpp_register_object_callback callback, void* userdata, il2cpp_WorldChangedCallback onWorldStarted, il2cpp_WorldChangedCallback onWorldStopped));
DEFINE_IL2CPP_FUN(void, il2cpp_unity_liveness_calculation_end, (void* state));
DEFINE_IL2CPP_FUN(void, il2cpp_unity_liveness_calculation_from_root, (Il2CppObject * root, void* state));
DEFINE_IL2CPP_FUN(void, il2cpp_unity_liveness_calculation_from_statics, (void* state));
  
// method
DEFINE_IL2CPP_FUN(const Il2CppType*, il2cpp_method_get_return_type, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_method_get_declaring_type, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(const char*, il2cpp_method_get_name, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_method_get_from_reflection, (const Il2CppReflectionMethod * method));
DEFINE_IL2CPP_FUN(Il2CppReflectionMethod*, il2cpp_method_get_object, (const MethodInfo * method, Il2CppClass * refclass));
DEFINE_IL2CPP_FUN(bool, il2cpp_method_is_generic, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(bool, il2cpp_method_is_inflated, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(bool, il2cpp_method_is_instance, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_method_get_param_count, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(const Il2CppType*, il2cpp_method_get_param, (const MethodInfo * method, uint32_t index));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_method_get_class, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(bool, il2cpp_method_has_attribute, (const MethodInfo * method, Il2CppClass * attr_class));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_method_get_flags, (const MethodInfo * method, uint32_t * iflags));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_method_get_token, (const MethodInfo * method));
DEFINE_IL2CPP_FUN(const char*, il2cpp_method_get_param_name, (const MethodInfo * method, uint32_t index));
  
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install, (Il2CppProfiler * prof, Il2CppProfileFunc shutdown_callback));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_set_events, (Il2CppProfileFlags events));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install_enter_leave, (Il2CppProfileMethodFunc enter, Il2CppProfileMethodFunc fleave));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install_allocation, (Il2CppProfileAllocFunc callback));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install_gc, (Il2CppProfileGCFunc callback, Il2CppProfileGCResizeFunc heap_resize_callback));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install_fileio, (Il2CppProfileFileIOFunc callback));
DEFINE_IL2CPP_FUN(void, il2cpp_profiler_install_thread, (Il2CppProfileThreadFunc start, Il2CppProfileThreadFunc end));
  
  
// property
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_property_get_flags, (PropertyInfo * prop));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_property_get_get_method, (PropertyInfo * prop));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_property_get_set_method, (PropertyInfo * prop));
DEFINE_IL2CPP_FUN(const char*, il2cpp_property_get_name, (PropertyInfo * prop));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_property_get_parent, (PropertyInfo * prop));
  
// object
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_object_get_class, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_object_get_size, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_object_get_virtual_method, (Il2CppObject * obj, const MethodInfo * method));
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_object_new, (const Il2CppClass * klass));
DEFINE_IL2CPP_FUN(void*, il2cpp_object_unbox, (Il2CppObject * obj));
  
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_value_box, (Il2CppClass * klass, void* data));
  
// monitor
DEFINE_IL2CPP_FUN(void, il2cpp_monitor_enter, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(bool, il2cpp_monitor_try_enter, (Il2CppObject * obj, uint32_t timeout));
DEFINE_IL2CPP_FUN(void, il2cpp_monitor_exit, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(void, il2cpp_monitor_pulse, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(void, il2cpp_monitor_pulse_all, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(void, il2cpp_monitor_wait, (Il2CppObject * obj));
DEFINE_IL2CPP_FUN(bool, il2cpp_monitor_try_wait, (Il2CppObject * obj, uint32_t timeout));
  
// runtime
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_runtime_invoke, (const MethodInfo * method, void *obj, void **params, Il2CppException **exc));
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_runtime_invoke_convert_args, (const MethodInfo * method, void *obj, Il2CppObject **params, int paramCount, Il2CppException **exc));
DEFINE_IL2CPP_FUN(void, il2cpp_runtime_class_init, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(void, il2cpp_runtime_object_init, (Il2CppObject * obj));
  
DEFINE_IL2CPP_FUN(void, il2cpp_runtime_object_init_exception, (Il2CppObject * obj, Il2CppException** exc));
  
DEFINE_IL2CPP_FUN(void, il2cpp_runtime_unhandled_exception_policy_set, (Il2CppRuntimeUnhandledExceptionPolicy value));
  
// string
DEFINE_IL2CPP_FUN(int32_t, il2cpp_string_length, (Il2CppString * str));
DEFINE_IL2CPP_FUN(Il2CppChar*, il2cpp_string_chars, (Il2CppString * str));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_new, (const char* str));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_new_len, (const char* str, uint32_t length));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_new_utf16, (const Il2CppChar * text, int32_t len));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_new_wrapper, (const char* str));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_intern, (Il2CppString * str));
DEFINE_IL2CPP_FUN(Il2CppString*, il2cpp_string_is_interned, (Il2CppString * str));
  
// thread
DEFINE_IL2CPP_FUN(Il2CppThread*, il2cpp_thread_current, ());
DEFINE_IL2CPP_FUN(Il2CppThread*, il2cpp_thread_attach, (Il2CppDomain * domain));
DEFINE_IL2CPP_FUN(void, il2cpp_thread_detach, (Il2CppThread * thread));
  
DEFINE_IL2CPP_FUN(Il2CppThread**, il2cpp_thread_get_all_attached_threads, (size_t * size));
DEFINE_IL2CPP_FUN(bool, il2cpp_is_vm_thread, (Il2CppThread * thread));
  
// stacktrace
DEFINE_IL2CPP_FUN(void, il2cpp_current_thread_walk_frame_stack, (Il2CppFrameWalkFunc func, void* user_data));
DEFINE_IL2CPP_FUN(void, il2cpp_thread_walk_frame_stack, (Il2CppThread * thread, Il2CppFrameWalkFunc func, void* user_data));
DEFINE_IL2CPP_FUN(bool, il2cpp_current_thread_get_top_frame, (Il2CppStackFrameInfo * frame));
DEFINE_IL2CPP_FUN(bool, il2cpp_thread_get_top_frame, (Il2CppThread * thread, Il2CppStackFrameInfo * frame));
DEFINE_IL2CPP_FUN(bool, il2cpp_current_thread_get_frame_at, (int32_t offset, Il2CppStackFrameInfo * frame));
DEFINE_IL2CPP_FUN(bool, il2cpp_thread_get_frame_at, (Il2CppThread * thread, int32_t offset, Il2CppStackFrameInfo * frame));
DEFINE_IL2CPP_FUN(int32_t, il2cpp_current_thread_get_stack_depth, ());
DEFINE_IL2CPP_FUN(int32_t, il2cpp_thread_get_stack_depth, (Il2CppThread * thread));
  
// type
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_type_get_object, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(int, il2cpp_type_get_type, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(Il2CppClass*, il2cpp_type_get_class_or_element_class, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(char*, il2cpp_type_get_name, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(bool, il2cpp_type_is_byref, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(uint32_t, il2cpp_type_get_attrs, (const Il2CppType * type));
DEFINE_IL2CPP_FUN(bool, il2cpp_type_equals, (const Il2CppType * type, const Il2CppType * otherType));
DEFINE_IL2CPP_FUN(char*, il2cpp_type_get_assembly_qualified_name, (const Il2CppType * type));
  
// image
DEFINE_IL2CPP_FUN(const Il2CppAssembly*, il2cpp_image_get_assembly, (const Il2CppImage * image));
DEFINE_IL2CPP_FUN(const char*, il2cpp_image_get_name, (const Il2CppImage * image));
DEFINE_IL2CPP_FUN(const char*, il2cpp_image_get_filename, (const Il2CppImage * image));
DEFINE_IL2CPP_FUN(const MethodInfo*, il2cpp_image_get_entry_point, (const Il2CppImage * image));
  
DEFINE_IL2CPP_FUN(size_t, il2cpp_image_get_class_count, (const Il2CppImage * image));
DEFINE_IL2CPP_FUN(const Il2CppClass*, il2cpp_image_get_class, (const Il2CppImage * image, size_t index));
  
// Memory information
DEFINE_IL2CPP_FUN(Il2CppManagedMemorySnapshot*, il2cpp_capture_memory_snapshot, ());
DEFINE_IL2CPP_FUN(void, il2cpp_free_captured_memory_snapshot, (Il2CppManagedMemorySnapshot * snapshot));
  
DEFINE_IL2CPP_FUN(void, il2cpp_set_find_plugin_callback, (Il2CppSetFindPlugInCallback method));
  
// Logging
DEFINE_IL2CPP_FUN(void, il2cpp_register_log_callback, (Il2CppLogCallback method));
  
// Debugger
DEFINE_IL2CPP_FUN(void, il2cpp_debugger_set_agent_options, (const char* options));
DEFINE_IL2CPP_FUN(bool, il2cpp_is_debugger_attached, ());
  
// TLS module
DEFINE_IL2CPP_FUN(void, il2cpp_unity_install_unitytls_interface, (const void* unitytlsInterfaceStruct));
  
// custom attributes
DEFINE_IL2CPP_FUN(Il2CppCustomAttrInfo*, il2cpp_custom_attrs_from_class, (Il2CppClass * klass));
DEFINE_IL2CPP_FUN(Il2CppCustomAttrInfo*, il2cpp_custom_attrs_from_method, (const MethodInfo * method));
  
DEFINE_IL2CPP_FUN(Il2CppObject*, il2cpp_custom_attrs_get_attr, (Il2CppCustomAttrInfo * ainfo, Il2CppClass * attr_klass));
DEFINE_IL2CPP_FUN(bool, il2cpp_custom_attrs_has_attr, (Il2CppCustomAttrInfo * ainfo, Il2CppClass * attr_klass));
DEFINE_IL2CPP_FUN(Il2CppArray*,  il2cpp_custom_attrs_construct, (Il2CppCustomAttrInfo * cinfo));
  
DEFINE_IL2CPP_FUN(void, il2cpp_custom_attrs_free, (Il2CppCustomAttrInfo * ainfo));
  
#endif //TEST_UPDATE_IL2CPP_API_FUNCTIONS_H

　　 2.实现所有的跳板

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//
// Created by Administrator on 2019/5/14.
//
#include "il2cpp-api.h"
#define CallIl2CppFun1(funname, par) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(par);
  
#define CallIl2CppFun0(funname) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )();
  
#define CallIl2CppFun2(funname, p1, p2) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2);
  
#define CallIl2CppFun3(funname, p1, p2, p3) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2, p3);
  
#define CallIl2CppFun4(funname, p1, p2, p3, p4) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2, p3, p4);
  
#define CallIl2CppFun5(funname, p1, p2, p3, p4, p5) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2, p3, p4, p5);
  
#define CallIl2CppFun6(funname, p1, p2, p3, p4, p5, p6) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2, p3, p4, p5, p6);
  
#define CallIl2CppFun7(funname, p1, p2, p3, p4, p5, p6, p7) \
extern void* g_##funname;\
return ((p_##funname)g_##funname )(p1, p2, p3, p4, p5, p6, p7);
  
void il2cpp_init(const char* domain_name)
{
    CallIl2CppFun1(il2cpp_init, domain_name);
}
  
void il2cpp_init_utf16(const Il2CppChar* domain_name)
{
    CallIl2CppFun1(il2cpp_init_utf16, domain_name);
}
  
void il2cpp_shutdown()
{
    CallIl2CppFun0(il2cpp_shutdown);
}
  
void il2cpp_set_config_dir(const char *config_path)
{
    CallIl2CppFun1(il2cpp_set_config_dir, config_path);
}
  
void il2cpp_set_data_dir(const char *data_path)
{
    CallIl2CppFun1(il2cpp_set_data_dir, data_path);
}
  
void il2cpp_set_temp_dir(const char *temp_dir)
{
    CallIl2CppFun1(il2cpp_set_temp_dir, temp_dir);
}
  
void il2cpp_set_commandline_arguments(int argc, const char* const argv[], const char* basedir)
{
    CallIl2CppFun3(il2cpp_set_commandline_arguments, argc, argv, basedir);
}
  
void il2cpp_set_commandline_arguments_utf16(int argc, const Il2CppChar* const argv[], const char* basedir)
{
    CallIl2CppFun3(il2cpp_set_commandline_arguments_utf16, argc, argv, basedir);
}
  
void il2cpp_set_config_utf16(const Il2CppChar* executablePath)
{
    CallIl2CppFun1(il2cpp_set_config_utf16, executablePath);
}
  
void il2cpp_set_config(const char* executablePath)
{
    CallIl2CppFun1(il2cpp_set_config, executablePath);
}
  
void il2cpp_set_memory_callbacks(Il2CppMemoryCallbacks* callbacks)
{
    CallIl2CppFun1(il2cpp_set_memory_callbacks, callbacks);
}
  
const Il2CppImage* il2cpp_get_corlib()
{
    CallIl2CppFun0(il2cpp_get_corlib);
}
  
void il2cpp_add_internal_call(const char* name, Il2CppMethodPointer method)
{
    CallIl2CppFun2(il2cpp_add_internal_call, name, method);
}
  
Il2CppMethodPointer il2cpp_resolve_icall(const char* name)
{
    CallIl2CppFun1(il2cpp_resolve_icall, name);
}
  
void* il2cpp_alloc(size_t size)
{
    CallIl2CppFun1(il2cpp_alloc, size);
}
  
void il2cpp_free(void* ptr)
{
    CallIl2CppFun1(il2cpp_free, ptr);
}
  
// array
  
Il2CppClass *il2cpp_array_class_get(Il2CppClass *element_class, uint32_t rank)
{
    CallIl2CppFun2(il2cpp_array_class_get, element_class, rank);
}
  
uint32_t il2cpp_array_length(Il2CppArray* array)
{
    CallIl2CppFun1(il2cpp_array_length, array);
}
  
uint32_t il2cpp_array_get_byte_length(Il2CppArray *array)
{
    CallIl2CppFun1(il2cpp_array_get_byte_length, array);
}
  
Il2CppArray* il2cpp_array_new(Il2CppClass *elementTypeInfo, il2cpp_array_size_t length)
{
    CallIl2CppFun2(il2cpp_array_new, elementTypeInfo, length);
}
  
Il2CppArray* il2cpp_array_new_specific(Il2CppClass *arrayTypeInfo, il2cpp_array_size_t length)
{
    CallIl2CppFun2(il2cpp_array_new_specific, arrayTypeInfo, length);
}
  
Il2CppArray* il2cpp_array_new_full(Il2CppClass *array_class, il2cpp_array_size_t *lengths, il2cpp_array_size_t *lower_bounds)
{
    CallIl2CppFun3(il2cpp_array_new_full, array_class, lengths, lower_bounds);
}
  
Il2CppClass* il2cpp_bounded_array_class_get(Il2CppClass *element_class, uint32_t rank, bool bounded)
{
    CallIl2CppFun3(il2cpp_bounded_array_class_get, element_class, rank, bounded);
}
  
int il2cpp_array_element_size(const Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_array_element_size, klass);
}
  
// assembly
const Il2CppImage* il2cpp_assembly_get_image(const Il2CppAssembly *assembly)
{
    CallIl2CppFun1(il2cpp_assembly_get_image, assembly);
}
  
// class
  
const Il2CppType* il2cpp_class_enum_basetype(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_enum_basetype, klass);
}
  
Il2CppClass* il2cpp_class_from_system_type(Il2CppReflectionType *type)
{
    CallIl2CppFun1(il2cpp_class_from_system_type, type);
}
  
bool il2cpp_class_is_generic(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_is_generic, klass);
}
  
bool il2cpp_class_is_inflated(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_is_inflated, klass);
}
  
bool il2cpp_class_is_assignable_from(Il2CppClass *klass, Il2CppClass *oklass)
{
    CallIl2CppFun2(il2cpp_class_is_assignable_from, klass, oklass);
}
  
bool il2cpp_class_is_subclass_of(Il2CppClass *klass, Il2CppClass *klassc, bool check_interfaces)
{
    CallIl2CppFun3(il2cpp_class_is_subclass_of, klass, klassc, check_interfaces);
}
  
bool il2cpp_class_has_parent(Il2CppClass *klass, Il2CppClass *klassc)
{
    CallIl2CppFun2(il2cpp_class_has_parent, klass, klassc);
}
  
Il2CppClass* il2cpp_class_from_il2cpp_type(const Il2CppType* type)
{
    CallIl2CppFun1(il2cpp_class_from_il2cpp_type, type);
}
  
Il2CppClass* il2cpp_class_from_name(const Il2CppImage* image, const char* namespaze, const char *name)
{
    CallIl2CppFun3(il2cpp_class_from_name, image, namespaze, name);
}
  
Il2CppClass* il2cpp_class_get_element_class(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_element_class, klass);
}
  
const EventInfo* il2cpp_class_get_events(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_events, klass, iter);
}
  
FieldInfo* il2cpp_class_get_fields(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_fields, klass, iter);
}
  
Il2CppClass* il2cpp_class_get_nested_types(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_nested_types, klass, iter);
}
  
Il2CppClass* il2cpp_class_get_interfaces(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_interfaces, klass, iter);
}
  
const PropertyInfo* il2cpp_class_get_properties(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_properties, klass, iter);
}
  
const PropertyInfo* il2cpp_class_get_property_from_name(Il2CppClass *klass, const char *name)
{
    CallIl2CppFun2(il2cpp_class_get_property_from_name, klass, name);
}
  
FieldInfo* il2cpp_class_get_field_from_name(Il2CppClass* klass, const char *name)
{
    CallIl2CppFun2(il2cpp_class_get_field_from_name, klass, name);
}
  
const MethodInfo* il2cpp_class_get_methods(Il2CppClass *klass, void* *iter)
{
    CallIl2CppFun2(il2cpp_class_get_methods, klass, iter);
}
  
const MethodInfo* il2cpp_class_get_method_from_name(Il2CppClass *klass, const char* name, int argsCount)
{
    CallIl2CppFun3(il2cpp_class_get_method_from_name, klass, name, argsCount);
}
  
const char* il2cpp_class_get_name(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_name, klass);
}
  
const char* il2cpp_class_get_namespace(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_namespace, klass);
}
  
Il2CppClass* il2cpp_class_get_parent(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_parent, klass);
}
  
Il2CppClass* il2cpp_class_get_declaring_type(Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_class_get_declaring_type, klass);
}
  
int32_t il2cpp_class_instance_size(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_instance_size, klass);
}
  
size_t il2cpp_class_num_fields(const Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_class_num_fields, klass);
}
  
bool il2cpp_class_is_valuetype(const Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_class_is_valuetype, klass);
}
  
bool il2cpp_class_is_blittable(const Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_class_is_blittable, klass);
}
  
int32_t il2cpp_class_value_size(Il2CppClass *klass, uint32_t *align)
{
    CallIl2CppFun2(il2cpp_class_value_size, klass, align);
}
  
int il2cpp_class_get_flags(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_flags, klass);
}
  
bool il2cpp_class_is_abstract(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_is_abstract, klass);
}
  
bool il2cpp_class_is_interface(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_is_interface, klass);
}
  
int il2cpp_class_array_element_size(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_array_element_size, klass);
}
  
Il2CppClass* il2cpp_class_from_type(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_class_from_type, type);
}
  
const Il2CppType* il2cpp_class_get_type(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_type, klass);
}
  
uint32_t il2cpp_class_get_type_token(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_type_token, klass);
}
  
bool il2cpp_class_has_attribute(Il2CppClass *klass, Il2CppClass *attr_class)
{
    CallIl2CppFun2(il2cpp_class_has_attribute, klass, attr_class);
}
  
bool il2cpp_class_has_references(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_has_references, klass);
}
  
bool il2cpp_class_is_enum(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_is_enum, klass);
}
  
const Il2CppImage* il2cpp_class_get_image(Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_class_get_image, klass);
}
  
const char *il2cpp_class_get_assemblyname(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_assemblyname, klass);
}
  
int il2cpp_class_get_rank(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_rank, klass);
}
  
// testing only
size_t il2cpp_class_get_bitmap_size(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_class_get_bitmap_size, klass);
}
  
void il2cpp_class_get_bitmap(Il2CppClass *klass, size_t* bitmap)
{
    CallIl2CppFun2(il2cpp_class_get_bitmap, klass, bitmap);
}
  
bool il2cpp_stats_dump_to_file(const char *path)
{
    CallIl2CppFun1(il2cpp_stats_dump_to_file, path);
}
  
uint64_t il2cpp_stats_get_value(Il2CppStat stat)
{
    CallIl2CppFun1(il2cpp_stats_get_value, stat);
}
  
// domain
Il2CppDomain* il2cpp_domain_get()
{
    CallIl2CppFun0(il2cpp_domain_get);
}
  
const Il2CppAssembly* il2cpp_domain_assembly_open(Il2CppDomain *domain, const char *name)
{
    CallIl2CppFun2(il2cpp_domain_assembly_open, domain, name);
}
  
const Il2CppAssembly** il2cpp_domain_get_assemblies(const Il2CppDomain* domain, size_t* size)
{
    CallIl2CppFun2(il2cpp_domain_get_assemblies, domain, size);
}
  
// exception
  
void il2cpp_raise_exception(Il2CppException* exc)
{
    CallIl2CppFun1(il2cpp_raise_exception, exc);
}
  
Il2CppException* il2cpp_exception_from_name_msg(const Il2CppImage* image, const char *name_space, const char *name, const char *msg)
{
    CallIl2CppFun4(il2cpp_exception_from_name_msg, image, name_space, name, msg);
}
  
Il2CppException* il2cpp_get_exception_argument_null(const char *arg)
{
    CallIl2CppFun1(il2cpp_get_exception_argument_null, arg);
}
  
void il2cpp_format_exception(const Il2CppException* ex, char* message, int message_size)
{
    CallIl2CppFun3(il2cpp_format_exception, ex, message, message_size);
}
  
void il2cpp_format_stack_trace(const Il2CppException* ex, char* output, int output_size)
{
    CallIl2CppFun3(il2cpp_format_stack_trace, ex, output, output_size);
}
  
void il2cpp_unhandled_exception(Il2CppException* exc)
{
    CallIl2CppFun1(il2cpp_unhandled_exception, exc);
}
  
// field
  
const char* il2cpp_field_get_name(FieldInfo *field)
{
    CallIl2CppFun1(il2cpp_field_get_name, field);
}
  
int il2cpp_field_get_flags(FieldInfo *field)
{
    CallIl2CppFun1(il2cpp_field_get_flags, field);
}
  
Il2CppClass* il2cpp_field_get_parent(FieldInfo *field)
{
    CallIl2CppFun1(il2cpp_field_get_parent, field);
}
  
size_t il2cpp_field_get_offset(FieldInfo *field)
{
    CallIl2CppFun1(il2cpp_field_get_offset, field);
}
  
const Il2CppType* il2cpp_field_get_type(FieldInfo *field)
{
    CallIl2CppFun1(il2cpp_field_get_type, field);
}
  
void il2cpp_field_get_value(Il2CppObject *obj, FieldInfo *field, void *value)
{
    CallIl2CppFun3(il2cpp_field_get_value, obj, field, value);
}
  
Il2CppObject* il2cpp_field_get_value_object(FieldInfo *field, Il2CppObject *obj)
{
    CallIl2CppFun2(il2cpp_field_get_value_object, field, obj);
}
  
bool il2cpp_field_has_attribute(FieldInfo *field, Il2CppClass *attr_class)
{
    CallIl2CppFun2(il2cpp_field_has_attribute, field, attr_class);
}
  
void il2cpp_field_set_value(Il2CppObject *obj, FieldInfo *field, void *value)
{
    CallIl2CppFun3(il2cpp_field_set_value, obj, field, value);
}
  
void il2cpp_field_set_value_object(Il2CppObject* objectInstance, FieldInfo* field, Il2CppObject* value)
{
    CallIl2CppFun3(il2cpp_field_set_value_object, objectInstance, field, value);
}
  
void il2cpp_field_static_get_value(FieldInfo *field, void *value)
{
    CallIl2CppFun2(il2cpp_field_static_get_value, field, value);
}
  
void il2cpp_field_static_set_value(FieldInfo *field, void *value)
{
    CallIl2CppFun2(il2cpp_field_static_set_value, field, value);
}
  
// gc
void il2cpp_gc_collect(int maxGenerations)
{
    CallIl2CppFun1(il2cpp_gc_collect, maxGenerations);
}
  
int32_t il2cpp_gc_collect_a_little()
{
    CallIl2CppFun0(il2cpp_gc_collect_a_little);
}
  
void il2cpp_gc_enable()
{
    CallIl2CppFun0(il2cpp_gc_enable);
}
  
void il2cpp_gc_disable()
{
    CallIl2CppFun0(il2cpp_gc_disable);
}
  
bool il2cpp_gc_is_disabled()
{
    CallIl2CppFun0(il2cpp_gc_is_disabled);
}
  
int64_t il2cpp_gc_get_used_size()
{
    CallIl2CppFun0(il2cpp_gc_get_used_size);
}
  
int64_t il2cpp_gc_get_heap_size()
{
    CallIl2CppFun0(il2cpp_gc_get_heap_size);
}
  
// gchandle
  
uint32_t il2cpp_gchandle_new(Il2CppObject *obj, bool pinned)
{
    CallIl2CppFun2(il2cpp_gchandle_new, obj, pinned);
}
  
uint32_t il2cpp_gchandle_new_weakref(Il2CppObject *obj, bool track_resurrection)
{
    CallIl2CppFun2(il2cpp_gchandle_new_weakref, obj, track_resurrection);
}
  
Il2CppObject* il2cpp_gchandle_get_target(uint32_t gchandle)
{
    CallIl2CppFun1(il2cpp_gchandle_get_target, gchandle);
}
  
void il2cpp_gc_wbarrier_set_field(Il2CppObject *obj, void **targetAddress, void *object)
{
    CallIl2CppFun3(il2cpp_gc_wbarrier_set_field, obj, targetAddress, object);
}
  
void il2cpp_gchandle_free(uint32_t gchandle)
{
    CallIl2CppFun1(il2cpp_gchandle_free, gchandle);
}
  
// liveness
  
void* il2cpp_unity_liveness_calculation_begin(Il2CppClass* filter, int max_object_count, il2cpp_register_object_callback callback, void* userdata, il2cpp_WorldChangedCallback onWorldStarted, il2cpp_WorldChangedCallback onWorldStopped)
{
    CallIl2CppFun6(il2cpp_unity_liveness_calculation_begin, filter,
                   max_object_count,
                   callback,
                   userdata,
                   onWorldStarted,
                   onWorldStopped
    );
}
  
void il2cpp_unity_liveness_calculation_end(void* state)
{
    CallIl2CppFun1(il2cpp_unity_liveness_calculation_end, state);
}
  
void il2cpp_unity_liveness_calculation_from_root(Il2CppObject* root, void* state)
{
    CallIl2CppFun2(il2cpp_unity_liveness_calculation_from_root, root, state);
}
  
void il2cpp_unity_liveness_calculation_from_statics(void* state)
{
    CallIl2CppFun1(il2cpp_unity_liveness_calculation_from_statics, state);
}
  
// method
  
const Il2CppType* il2cpp_method_get_return_type(const MethodInfo* method)
{
    CallIl2CppFun1(il2cpp_method_get_return_type, method);
}
  
const MethodInfo* il2cpp_method_get_from_reflection(const Il2CppReflectionMethod *method)
{
    CallIl2CppFun1(il2cpp_method_get_from_reflection, method);
}
  
Il2CppReflectionMethod* il2cpp_method_get_object(const MethodInfo *method, Il2CppClass *refclass)
{
    CallIl2CppFun2(il2cpp_method_get_object, method, refclass);
}
  
const char* il2cpp_method_get_name(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_get_name, method);
}
  
bool il2cpp_method_is_generic(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_is_generic, method);
}
  
bool il2cpp_method_is_inflated(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_is_inflated, method);
}
  
bool il2cpp_method_is_instance(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_is_instance, method);
}
  
uint32_t il2cpp_method_get_param_count(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_get_param_count, method);
}
  
const Il2CppType* il2cpp_method_get_param(const MethodInfo *method, uint32_t index)
{
    CallIl2CppFun2(il2cpp_method_get_param, method, index);
}
  
Il2CppClass* il2cpp_method_get_class(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_get_class, method);
}
  
bool il2cpp_method_has_attribute(const MethodInfo *method, Il2CppClass *attr_class)
{
    CallIl2CppFun2(il2cpp_method_has_attribute, method, attr_class);
}
  
Il2CppClass* il2cpp_method_get_declaring_type(const MethodInfo* method)
{
    CallIl2CppFun1(il2cpp_method_get_declaring_type, method);
}
  
uint32_t il2cpp_method_get_flags(const MethodInfo *method, uint32_t *iflags)
{
    CallIl2CppFun2(il2cpp_method_get_flags, method, iflags);
}
  
uint32_t il2cpp_method_get_token(const MethodInfo *method)
{
    CallIl2CppFun1(il2cpp_method_get_token, method);
}
  
const char *il2cpp_method_get_param_name(const MethodInfo *method, uint32_t index)
{
    CallIl2CppFun2(il2cpp_method_get_param_name, method, index);
}
  
void il2cpp_profiler_install(Il2CppProfiler *prof, Il2CppProfileFunc shutdown_callback)
{
    CallIl2CppFun2(il2cpp_profiler_install, prof, shutdown_callback);
}
  
void il2cpp_profiler_set_events(Il2CppProfileFlags events)
{
    CallIl2CppFun1(il2cpp_profiler_set_events, events);
}
  
void il2cpp_profiler_install_enter_leave(Il2CppProfileMethodFunc enter, Il2CppProfileMethodFunc fleave)
{
    CallIl2CppFun2(il2cpp_profiler_install_enter_leave, enter, fleave);
}
  
void il2cpp_profiler_install_allocation(Il2CppProfileAllocFunc callback)
{
    CallIl2CppFun1(il2cpp_profiler_install_allocation, callback);
}
  
void il2cpp_profiler_install_gc(Il2CppProfileGCFunc callback, Il2CppProfileGCResizeFunc heap_resize_callback)
{
    CallIl2CppFun2(il2cpp_profiler_install_gc, callback, heap_resize_callback);
}
  
void il2cpp_profiler_install_fileio(Il2CppProfileFileIOFunc callback)
{
    CallIl2CppFun1(il2cpp_profiler_install_fileio, callback);
}
  
void il2cpp_profiler_install_thread(Il2CppProfileThreadFunc start, Il2CppProfileThreadFunc end)
{
    CallIl2CppFun2(il2cpp_profiler_install_thread, start, end);
}
  
  
const char* il2cpp_property_get_name(PropertyInfo *prop)
{
    CallIl2CppFun1(il2cpp_property_get_name, prop);
}
  
const MethodInfo* il2cpp_property_get_get_method(PropertyInfo *prop)
{
    CallIl2CppFun1(il2cpp_property_get_get_method, prop);
}
  
const MethodInfo* il2cpp_property_get_set_method(PropertyInfo *prop)
{
    CallIl2CppFun1(il2cpp_property_get_set_method, prop);
}
  
Il2CppClass* il2cpp_property_get_parent(PropertyInfo *prop)
{
    CallIl2CppFun1(il2cpp_property_get_parent, prop);
}
  
uint32_t il2cpp_property_get_flags(PropertyInfo *prop)
{
    CallIl2CppFun1(il2cpp_property_get_flags, prop);
}
  
// object
  
Il2CppClass* il2cpp_object_get_class(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_object_get_class, obj);
}
  
uint32_t il2cpp_object_get_size(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_object_get_size, obj);
}
  
const MethodInfo* il2cpp_object_get_virtual_method(Il2CppObject *obj, const MethodInfo *method)
{
    CallIl2CppFun2(il2cpp_object_get_virtual_method, obj, method);
}
  
Il2CppObject* il2cpp_object_new(const Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_object_new, klass);
}
  
void* il2cpp_object_unbox(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_object_unbox, obj);
}
  
Il2CppObject* il2cpp_value_box(Il2CppClass *klass, void* data)
{
    CallIl2CppFun2(il2cpp_value_box, klass, data);
}
  
// monitor
void il2cpp_monitor_enter(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_monitor_enter, obj);
}
  
bool il2cpp_monitor_try_enter(Il2CppObject* obj, uint32_t timeout)
{
    CallIl2CppFun2(il2cpp_monitor_try_enter, obj, timeout);
}
  
void il2cpp_monitor_exit(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_monitor_exit, obj);
}
  
void il2cpp_monitor_pulse(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_monitor_pulse, obj);
}
  
void il2cpp_monitor_pulse_all(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_monitor_pulse_all, obj);
}
  
void il2cpp_monitor_wait(Il2CppObject* obj)
{
    CallIl2CppFun1(il2cpp_monitor_wait, obj);
}
  
bool il2cpp_monitor_try_wait(Il2CppObject* obj, uint32_t timeout)
{
    CallIl2CppFun2(il2cpp_monitor_try_wait, obj, timeout);
}
  
// runtime
  
Il2CppObject* il2cpp_runtime_invoke_convert_args(const MethodInfo *method, void *obj, Il2CppObject **params, int paramCount, Il2CppException **exc)
{
    CallIl2CppFun5(il2cpp_runtime_invoke_convert_args, method, obj, params, paramCount, exc);
}
  
Il2CppObject* il2cpp_runtime_invoke(const MethodInfo *method,
                                    void *obj, void **params, Il2CppException **exc)
{
    CallIl2CppFun4(il2cpp_runtime_invoke, method, obj, params, exc);
}
  
void il2cpp_runtime_class_init(Il2CppClass* klass)
{
    CallIl2CppFun1(il2cpp_runtime_class_init, klass);
}
  
void il2cpp_runtime_object_init(Il2CppObject *obj)
{
    CallIl2CppFun1(il2cpp_runtime_object_init, obj);
}
  
void il2cpp_runtime_object_init_exception(Il2CppObject *obj, Il2CppException **exc)
{
    CallIl2CppFun2(il2cpp_runtime_object_init_exception, obj, exc);
}
  
void il2cpp_runtime_unhandled_exception_policy_set(Il2CppRuntimeUnhandledExceptionPolicy value)
{
    CallIl2CppFun1(il2cpp_runtime_unhandled_exception_policy_set, value);
}
  
// string
  
int32_t il2cpp_string_length(Il2CppString* str)
{
    CallIl2CppFun1(il2cpp_string_length, str);
}
  
Il2CppChar* il2cpp_string_chars(Il2CppString* str)
{
    CallIl2CppFun1(il2cpp_string_chars, str);
}
  
// Same as il2cpp_string_new_wrapper, because other normally takes a domain
Il2CppString* il2cpp_string_new(const char* str)
{
    CallIl2CppFun1(il2cpp_string_new, str);
}
  
Il2CppString* il2cpp_string_new_wrapper(const char* str)
{
    CallIl2CppFun1(il2cpp_string_new_wrapper, str);
}
  
Il2CppString* il2cpp_string_new_utf16(const Il2CppChar *text, int32_t len)
{
    CallIl2CppFun2(il2cpp_string_new_utf16, text, len);
}
  
Il2CppString* il2cpp_string_new_len(const char* str, uint32_t length)
{
    CallIl2CppFun2(il2cpp_string_new_len, str, length);
}
  
Il2CppString* il2cpp_string_intern(Il2CppString* str)
{
    CallIl2CppFun1(il2cpp_string_intern, str);
}
  
Il2CppString* il2cpp_string_is_interned(Il2CppString* str)
{
    CallIl2CppFun1(il2cpp_string_is_interned, str);
}
  
// thread
  
Il2CppThread *il2cpp_thread_current()
{
    CallIl2CppFun0(il2cpp_thread_current);
}
  
Il2CppThread *il2cpp_thread_attach(Il2CppDomain *domain)
{
    CallIl2CppFun1(il2cpp_thread_attach, domain);
}
  
void il2cpp_thread_detach(Il2CppThread *thread)
{
    CallIl2CppFun1(il2cpp_thread_detach, thread);
}
  
Il2CppThread **il2cpp_thread_get_all_attached_threads(size_t *size)
{
    CallIl2CppFun1(il2cpp_thread_get_all_attached_threads, size);
}
  
bool il2cpp_is_vm_thread(Il2CppThread *thread)
{
    CallIl2CppFun1(il2cpp_is_vm_thread, thread);
}
  
// stacktrace
  
void il2cpp_current_thread_walk_frame_stack(Il2CppFrameWalkFunc func, void* user_data)
{
    CallIl2CppFun2(il2cpp_current_thread_walk_frame_stack, func, user_data);
}
  
void il2cpp_thread_walk_frame_stack(Il2CppThread *thread, Il2CppFrameWalkFunc func, void *user_data)
{
    CallIl2CppFun3(il2cpp_thread_walk_frame_stack, thread, func, user_data);
}
  
bool il2cpp_current_thread_get_top_frame(Il2CppStackFrameInfo* frame)
{
    CallIl2CppFun1(il2cpp_current_thread_get_top_frame, frame);
}
  
bool il2cpp_thread_get_top_frame(Il2CppThread* thread, Il2CppStackFrameInfo* frame)
{
    CallIl2CppFun2(il2cpp_thread_get_top_frame, thread, frame);
}
  
bool il2cpp_current_thread_get_frame_at(int32_t offset, Il2CppStackFrameInfo* frame)
{
    CallIl2CppFun2(il2cpp_current_thread_get_frame_at, offset, frame);
}
  
bool il2cpp_thread_get_frame_at(Il2CppThread* thread, int32_t offset, Il2CppStackFrameInfo* frame)
{
    CallIl2CppFun3(il2cpp_thread_get_frame_at, thread, offset, frame);
}
  
int32_t il2cpp_current_thread_get_stack_depth()
{
    CallIl2CppFun0(il2cpp_current_thread_get_stack_depth);
}
  
int32_t il2cpp_thread_get_stack_depth(Il2CppThread *thread)
{
    CallIl2CppFun1(il2cpp_thread_get_stack_depth, thread);
}
  
// type
  
Il2CppObject* il2cpp_type_get_object(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_get_object, type);
}
  
int il2cpp_type_get_type(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_get_type, type);
}
  
Il2CppClass* il2cpp_type_get_class_or_element_class(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_get_class_or_element_class, type);
}
  
char* il2cpp_type_get_name(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_get_name, type);
}
  
char* il2cpp_type_get_assembly_qualified_name(const Il2CppType * type)
{
    CallIl2CppFun1(il2cpp_type_get_assembly_qualified_name, type);
}
  
bool il2cpp_type_is_byref(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_is_byref, type);
}
  
uint32_t il2cpp_type_get_attrs(const Il2CppType *type)
{
    CallIl2CppFun1(il2cpp_type_get_attrs, type);
}
  
bool il2cpp_type_equals(const Il2CppType* type, const Il2CppType *otherType)
{
    CallIl2CppFun2(il2cpp_type_equals, type, otherType);
}
  
// image
  
const Il2CppAssembly* il2cpp_image_get_assembly(const Il2CppImage *image)
{
    CallIl2CppFun1(il2cpp_image_get_assembly, image);
}
  
const char* il2cpp_image_get_name(const Il2CppImage *image)
{
    CallIl2CppFun1(il2cpp_image_get_name, image);
}
  
const char* il2cpp_image_get_filename(const Il2CppImage *image)
{
    CallIl2CppFun1(il2cpp_image_get_filename, image);
}
  
const MethodInfo* il2cpp_image_get_entry_point(const Il2CppImage *image)
{
    CallIl2CppFun1(il2cpp_image_get_entry_point, image);
}
  
size_t il2cpp_image_get_class_count(const Il2CppImage * image)
{
    CallIl2CppFun1(il2cpp_image_get_class_count, image);
}
  
const Il2CppClass* il2cpp_image_get_class(const Il2CppImage * image, size_t index)
{
    CallIl2CppFun2(il2cpp_image_get_class, image, index);
}
  
Il2CppManagedMemorySnapshot* il2cpp_capture_memory_snapshot()
{
    CallIl2CppFun0(il2cpp_capture_memory_snapshot);
}
  
void il2cpp_free_captured_memory_snapshot(Il2CppManagedMemorySnapshot* snapshot)
{
    CallIl2CppFun1(il2cpp_free_captured_memory_snapshot, snapshot);
}
  
void il2cpp_set_find_plugin_callback(Il2CppSetFindPlugInCallback method)
{
    CallIl2CppFun1(il2cpp_set_find_plugin_callback, method);
}
  
// Logging
  
void il2cpp_register_log_callback(Il2CppLogCallback method)
{
    CallIl2CppFun1(il2cpp_register_log_callback, method);
}
  
// Debugger
void il2cpp_debugger_set_agent_options(const char* options)
{
    CallIl2CppFun1(il2cpp_debugger_set_agent_options, options);
}
  
bool il2cpp_is_debugger_attached()
{
    CallIl2CppFun0(il2cpp_is_debugger_attached);
}
  
void il2cpp_unity_install_unitytls_interface(const void* unitytlsInterfaceStruct)
{
    CallIl2CppFun1(il2cpp_unity_install_unitytls_interface, unitytlsInterfaceStruct);
}
  
// Custom Attributes
Il2CppCustomAttrInfo* il2cpp_custom_attrs_from_class(Il2CppClass *klass)
{
    CallIl2CppFun1(il2cpp_custom_attrs_from_class, klass);
}
  
Il2CppCustomAttrInfo* il2cpp_custom_attrs_from_method(const MethodInfo * method)
{
    CallIl2CppFun1(il2cpp_custom_attrs_from_method, method);
}
  
bool il2cpp_custom_attrs_has_attr(Il2CppCustomAttrInfo *ainfo, Il2CppClass *attr_klass)
{
    CallIl2CppFun2(il2cpp_custom_attrs_has_attr, ainfo, attr_klass);
}
  
Il2CppObject* il2cpp_custom_attrs_get_attr(Il2CppCustomAttrInfo *ainfo, Il2CppClass *attr_klass)
{
    CallIl2CppFun2(il2cpp_custom_attrs_get_attr, ainfo, attr_klass);
}
  
Il2CppArray*  il2cpp_custom_attrs_construct(Il2CppCustomAttrInfo *ainfo)
{
    CallIl2CppFun1(il2cpp_custom_attrs_construct, ainfo);
}
  
void il2cpp_custom_attrs_free(Il2CppCustomAttrInfo *ainfo)
{
    // nothing to free, we cache everything
    CallIl2CppFun1(il2cpp_custom_attrs_free, ainfo);
}

　　3.在unity打包好apk后，解包然后把包里的libil2cpp.so重命名为libil2cpp_.so,把我们的跳板命名为libil2cpp.so.在跳板函数中载入原来的libil2cpp.so

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void InitUpdate(const char* ilpath, const char* pMetaPath)
{
    void* pIl2cppModule = dlopen(ilpath, RTLD_LOCAL);
    if(pIl2cppModule == nullptr)
    {
        LOGD("il2cpp:%s can't load", ilpath);
        return;
    }
    if(pMetaPath != nullptr)
    {
        char* dupMetaPath = strdup(pMetaPath);
        UpdateMetaFun pSet_meta_update_path = (UpdateMetaFun)dlsym(pIl2cppModule, "il2cpp_set_update_meta_filename");
        if(pSet_meta_update_path != nullptr)
        {
            pSet_meta_update_path(dupMetaPath);
        }
    }
  
#define GETFUNADDR(funname) g_##funname = dlsym(pIl2cppModule, ""#funname);
    GETFUNADDR(il2cpp_class_from_type)
    GETFUNADDR(il2cpp_class_is_valuetype)
    GETFUNADDR(il2cpp_domain_get)
    GETFUNADDR(il2cpp_monitor_enter)
    GETFUNADDR(il2cpp_monitor_exit)
    GETFUNADDR(il2cpp_object_unbox)
    GETFUNADDR(il2cpp_runtime_invoke)
    GETFUNADDR(il2cpp_gc_wbarrier_set_field)
    GETFUNADDR(il2cpp_add_internal_call)
    GETFUNADDR(il2cpp_alloc)
    GETFUNADDR(il2cpp_array_class_get)
    GETFUNADDR(il2cpp_array_element_size)
    GETFUNADDR(il2cpp_array_get_byte_length)
    GETFUNADDR(il2cpp_array_length)
    GETFUNADDR(il2cpp_array_new)
    GETFUNADDR(il2cpp_array_new_full)
    GETFUNADDR(il2cpp_array_new_specific)
    GETFUNADDR(il2cpp_assembly_get_image)
    GETFUNADDR(il2cpp_bounded_array_class_get)
    GETFUNADDR(il2cpp_capture_memory_snapshot)
    GETFUNADDR(il2cpp_class_array_element_size)
    GETFUNADDR(il2cpp_class_enum_basetype)
    GETFUNADDR(il2cpp_class_from_il2cpp_type)
    GETFUNADDR(il2cpp_class_from_name)
    GETFUNADDR(il2cpp_class_from_system_type)
    GETFUNADDR(il2cpp_class_get_assemblyname)
    GETFUNADDR(il2cpp_class_get_bitmap)
    GETFUNADDR(il2cpp_class_get_bitmap_size)
    GETFUNADDR(il2cpp_class_get_declaring_type)
    GETFUNADDR(il2cpp_class_get_element_class)
    GETFUNADDR(il2cpp_class_get_events)
    GETFUNADDR(il2cpp_class_get_field_from_name)
    GETFUNADDR(il2cpp_class_get_fields)
    GETFUNADDR(il2cpp_class_get_flags)
    GETFUNADDR(il2cpp_class_get_image)
    GETFUNADDR(il2cpp_class_get_interfaces)
    GETFUNADDR(il2cpp_class_get_method_from_name)
    GETFUNADDR(il2cpp_class_get_methods)
    GETFUNADDR(il2cpp_class_get_name)
    GETFUNADDR(il2cpp_class_get_namespace)
    GETFUNADDR(il2cpp_class_get_nested_types)
    GETFUNADDR(il2cpp_class_get_parent)
    GETFUNADDR(il2cpp_class_get_properties)
    GETFUNADDR(il2cpp_class_get_property_from_name)
    GETFUNADDR(il2cpp_class_get_rank)
    GETFUNADDR(il2cpp_class_get_type)
    GETFUNADDR(il2cpp_class_get_type_token)
    GETFUNADDR(il2cpp_class_has_attribute)
    GETFUNADDR(il2cpp_class_has_parent)
    GETFUNADDR(il2cpp_class_has_references)
    GETFUNADDR(il2cpp_class_instance_size)
    GETFUNADDR(il2cpp_class_is_abstract)
    GETFUNADDR(il2cpp_class_is_assignable_from)
    GETFUNADDR(il2cpp_class_is_blittable)
    GETFUNADDR(il2cpp_class_is_enum)
    GETFUNADDR(il2cpp_class_is_generic)
    GETFUNADDR(il2cpp_class_is_inflated)
    GETFUNADDR(il2cpp_class_is_interface)
    GETFUNADDR(il2cpp_class_is_subclass_of)
    GETFUNADDR(il2cpp_class_num_fields)
    GETFUNADDR(il2cpp_class_value_size)
    GETFUNADDR(il2cpp_current_thread_get_frame_at)
    GETFUNADDR(il2cpp_current_thread_get_stack_depth)
    GETFUNADDR(il2cpp_current_thread_get_top_frame)
    GETFUNADDR(il2cpp_current_thread_walk_frame_stack)
    GETFUNADDR(il2cpp_custom_attrs_construct)
    GETFUNADDR(il2cpp_custom_attrs_free)
    GETFUNADDR(il2cpp_custom_attrs_from_class)
    GETFUNADDR(il2cpp_custom_attrs_from_method)
    GETFUNADDR(il2cpp_custom_attrs_get_attr)
    GETFUNADDR(il2cpp_custom_attrs_has_attr)
    GETFUNADDR(il2cpp_debugger_set_agent_options)
    GETFUNADDR(il2cpp_domain_assembly_open)
    GETFUNADDR(il2cpp_domain_get_assemblies)
    GETFUNADDR(il2cpp_exception_from_name_msg)
    GETFUNADDR(il2cpp_field_get_flags)
    GETFUNADDR(il2cpp_field_get_name)
    GETFUNADDR(il2cpp_field_get_offset)
    GETFUNADDR(il2cpp_field_get_parent)
    GETFUNADDR(il2cpp_field_get_type)
    GETFUNADDR(il2cpp_field_get_value)
    GETFUNADDR(il2cpp_field_get_value_object)
    GETFUNADDR(il2cpp_field_has_attribute)
    GETFUNADDR(il2cpp_field_set_value)
    GETFUNADDR(il2cpp_field_set_value_object)
    GETFUNADDR(il2cpp_field_static_get_value)
    GETFUNADDR(il2cpp_field_static_set_value)
    GETFUNADDR(il2cpp_format_exception)
    GETFUNADDR(il2cpp_format_stack_trace)
    GETFUNADDR(il2cpp_free)
    GETFUNADDR(il2cpp_free_captured_memory_snapshot)
    GETFUNADDR(il2cpp_gc_collect)
    GETFUNADDR(il2cpp_gc_collect_a_little)
    GETFUNADDR(il2cpp_gc_disable)
    GETFUNADDR(il2cpp_gc_enable)
    GETFUNADDR(il2cpp_gc_get_heap_size)
    GETFUNADDR(il2cpp_gc_get_used_size)
    GETFUNADDR(il2cpp_gc_is_disabled)
    GETFUNADDR(il2cpp_gchandle_free)
    GETFUNADDR(il2cpp_gchandle_get_target)
    GETFUNADDR(il2cpp_gchandle_new)
    GETFUNADDR(il2cpp_gchandle_new_weakref)
    GETFUNADDR(il2cpp_get_corlib)
    GETFUNADDR(il2cpp_get_exception_argument_null)
    GETFUNADDR(il2cpp_image_get_assembly)
    GETFUNADDR(il2cpp_image_get_class)
    GETFUNADDR(il2cpp_image_get_class_count)
    GETFUNADDR(il2cpp_image_get_entry_point)
    GETFUNADDR(il2cpp_image_get_filename)
    GETFUNADDR(il2cpp_image_get_name)
    GETFUNADDR(il2cpp_init)
    GETFUNADDR(il2cpp_init_utf16)
    GETFUNADDR(il2cpp_is_debugger_attached)
    GETFUNADDR(il2cpp_is_vm_thread)
    GETFUNADDR(il2cpp_method_get_class)
    GETFUNADDR(il2cpp_method_get_declaring_type)
    GETFUNADDR(il2cpp_method_get_flags)
    GETFUNADDR(il2cpp_method_get_from_reflection)
    GETFUNADDR(il2cpp_method_get_name)
    GETFUNADDR(il2cpp_method_get_object)
    GETFUNADDR(il2cpp_method_get_param)
    GETFUNADDR(il2cpp_method_get_param_count)
    GETFUNADDR(il2cpp_method_get_param_name)
    GETFUNADDR(il2cpp_method_get_return_type)
    GETFUNADDR(il2cpp_method_get_token)
    GETFUNADDR(il2cpp_method_has_attribute)
    GETFUNADDR(il2cpp_method_is_generic)
    GETFUNADDR(il2cpp_method_is_inflated)
    GETFUNADDR(il2cpp_method_is_instance)
    GETFUNADDR(il2cpp_monitor_pulse)
    GETFUNADDR(il2cpp_monitor_pulse_all)
    GETFUNADDR(il2cpp_monitor_try_enter)
    GETFUNADDR(il2cpp_monitor_try_wait)
    GETFUNADDR(il2cpp_monitor_wait)
    GETFUNADDR(il2cpp_object_get_class)
    GETFUNADDR(il2cpp_object_get_size)
    GETFUNADDR(il2cpp_object_get_virtual_method)
    GETFUNADDR(il2cpp_object_new)
    GETFUNADDR(il2cpp_profiler_install)
    GETFUNADDR(il2cpp_profiler_install_allocation)
    GETFUNADDR(il2cpp_profiler_install_enter_leave)
    GETFUNADDR(il2cpp_profiler_install_fileio)
    GETFUNADDR(il2cpp_profiler_install_gc)
    GETFUNADDR(il2cpp_profiler_install_thread)
    GETFUNADDR(il2cpp_profiler_set_events)
    GETFUNADDR(il2cpp_property_get_flags)
    GETFUNADDR(il2cpp_property_get_get_method)
    GETFUNADDR(il2cpp_property_get_name)
    GETFUNADDR(il2cpp_property_get_parent)
    GETFUNADDR(il2cpp_property_get_set_method)
    GETFUNADDR(il2cpp_raise_exception)
    GETFUNADDR(il2cpp_register_log_callback)
    GETFUNADDR(il2cpp_resolve_icall)
    GETFUNADDR(il2cpp_runtime_class_init)
    GETFUNADDR(il2cpp_runtime_invoke_convert_args)
    GETFUNADDR(il2cpp_runtime_object_init)
    GETFUNADDR(il2cpp_runtime_object_init_exception)
    GETFUNADDR(il2cpp_runtime_unhandled_exception_policy_set)
    GETFUNADDR(il2cpp_set_commandline_arguments)
    GETFUNADDR(il2cpp_set_commandline_arguments_utf16)
    GETFUNADDR(il2cpp_set_config)
    GETFUNADDR(il2cpp_set_config_dir)
    GETFUNADDR(il2cpp_set_config_utf16)
    GETFUNADDR(il2cpp_set_data_dir)
    GETFUNADDR(il2cpp_set_find_plugin_callback)
    GETFUNADDR(il2cpp_set_memory_callbacks)
    GETFUNADDR(il2cpp_set_temp_dir)
    GETFUNADDR(il2cpp_shutdown)
    GETFUNADDR(il2cpp_stats_dump_to_file)
    GETFUNADDR(il2cpp_stats_get_value)
    GETFUNADDR(il2cpp_string_chars)
    GETFUNADDR(il2cpp_string_intern)
    GETFUNADDR(il2cpp_string_is_interned)
    GETFUNADDR(il2cpp_string_length)
    GETFUNADDR(il2cpp_string_new)
    GETFUNADDR(il2cpp_string_new_len)
    GETFUNADDR(il2cpp_string_new_utf16)
    GETFUNADDR(il2cpp_string_new_wrapper)
    GETFUNADDR(il2cpp_thread_attach)
    GETFUNADDR(il2cpp_thread_current)
    GETFUNADDR(il2cpp_thread_detach)
    GETFUNADDR(il2cpp_thread_get_all_attached_threads)
    GETFUNADDR(il2cpp_thread_get_frame_at)
    GETFUNADDR(il2cpp_thread_get_stack_depth)
    GETFUNADDR(il2cpp_thread_get_top_frame)
    GETFUNADDR(il2cpp_thread_walk_frame_stack)
    GETFUNADDR(il2cpp_type_equals)
    GETFUNADDR(il2cpp_type_get_assembly_qualified_name)
    GETFUNADDR(il2cpp_type_get_attrs)
    GETFUNADDR(il2cpp_type_get_class_or_element_class)
    GETFUNADDR(il2cpp_type_get_name)
    GETFUNADDR(il2cpp_type_get_object)
    GETFUNADDR(il2cpp_type_get_type)
    GETFUNADDR(il2cpp_type_is_byref)
    GETFUNADDR(il2cpp_unhandled_exception)
    GETFUNADDR(il2cpp_unity_install_unitytls_interface)
    GETFUNADDR(il2cpp_unity_liveness_calculation_begin)
    GETFUNADDR(il2cpp_unity_liveness_calculation_end)
    GETFUNADDR(il2cpp_unity_liveness_calculation_from_root)
    GETFUNADDR(il2cpp_unity_liveness_calculation_from_statics)
    GETFUNADDR(il2cpp_value_box)
}

至此，libil2cpp.so处理完毕

global-metadata.dat文件热更

1 2	`加载global-metadata.data是通过函数void* MetadataLoader::LoadMetadataFile(const` `char* fileName)，` `通过修改修改引擎下的MetadataLoader.cpp，实现读取自定义路径的global-metadata.data达到热更目的。`

#include "il2cpp-config.h"
#include "MetadataLoader.h"
#include "os/File.h"
#include "os/Mutex.h"
#include "utils/MemoryMappedFile.h"
#include "utils/PathUtils.h"
#include "utils/Runtime.h"
#ifdef ANDROID
#include <android/log.h>
#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, "YY" ,__VA_ARGS__)
#else
#define LOGD(...)
#endif
  
using namespace il2cpp::os;
using namespace il2cpp::vm;
const char* g_updated_meta_filename = NULL;
#if defined(__cplusplus)
extern "C"
{
#endif // __cplusplus
IL2CPP_EXPORT void il2cpp_set_update_meta_filename(const char* filename)
{   
    LOGD("set updated_meta_filename:%s", filename);
    g_updated_meta_filename = filename;
}
#if defined(__cplusplus)
}
#endif // __cplusplus
void* MetadataLoader::LoadMetadataFile(const char* fileName)
{   
    std::string resourcesDirectory = utils::PathUtils::Combine(utils::Runtime::GetDataDir(), utils::StringView<char>("Metadata"));
    std::string resourceFilePath = utils::PathUtils::Combine(resourcesDirectory, utils::StringView<char>(fileName, strlen(fileName)));    
    int error = 1;
    FileHandle* handle = NULL;
    if (g_updated_meta_filename != NULL)
    {
        LOGD("load g_updated_meta_filename:%s", g_updated_meta_filename);
        handle = File::Open(g_updated_meta_filename, kFileModeOpen, kFileAccessRead, kFileShareRead, kFileOptionsNone, &error); 
        if (error != 0)
        {
            LOGD("load g_updated_meta_filename failed, try local metafile:%s", g_updated_meta_filename);
        }
        else
        {
            LOGD("load g_updated_meta_filename success:%s", g_updated_meta_filename);
        }
    }
    if (error != 0)
    {       
        handle = File::Open(resourceFilePath, kFileModeOpen, kFileAccessRead, kFileShareRead, kFileOptionsNone, &error);
        if (error != 0)
        {
            LOGD("LoadMetadataFile file:%s", resourceFilePath.c_str());
            return NULL;
        }
    }
    void* fileBuffer = utils::MemoryMappedFile::Map(handle);
  
    File::Close(handle, &error);
    if (error != 0)
    {
        utils::MemoryMappedFile::Unmap(fileBuffer);
        fileBuffer = NULL;
        return NULL;
    }
  
    return fileBuffer;
}