bool prepare_object_event_logger(const char *log_dir)
{
object_types_mutex = __malloc_lock_init();
object_types_file = __init_object_type_file(log_dir);
if (object_types_file == NULL) {
return false;
}
// Insert vm memory type names
for (int i = 0; i < sizeof(vm_memory_type_names) / sizeof(char *); ++i) {
uintptr_t str_hash = __string_hash(vm_memory_type_names[i]);
uint32_t type = object_types_file->object_type_list->size() + 1;
object_types_file->object_type_exists->insert(str_hash);
object_types_file->object_type_list->insert(object_type(type, vm_memory_type_names[i]));
}
#ifdef USE_PRIVATE_API
// __CFObjectAllocSetLastAllocEventNameFunction
object_set_last_allocation_event_name_funcion = (void (**)(void *, const char *))dlsym(RTLD_DEFAULT, "__CFObjectAllocSetLastAllocEventNameFunction");
if (object_set_last_allocation_event_name_funcion != NULL) {
*object_set_last_allocation_event_name_funcion = object_set_last_allocation_event_name;
}
// __CFOASafe
object_record_allocation_event_enable = (bool *)dlsym(RTLD_DEFAULT, "__CFOASafe");
if (object_record_allocation_event_enable != NULL) {
*object_record_allocation_event_enable = true;
}
#endif
nsobject_hook_alloc_method();
return true;
}
void __libc_init(void)
{
extern void (*__CTOR_LIST__[])();
void (**pfunc)() = __CTOR_LIST__;
if (ProcGetProcessInfo()->std_out != 0)
ThrGetThreadInfo()->exception_handler = __libc_exception_handler;
__malloc_lock_init();
__malloc_debug_init();
atexit(__malloc_lock_cleanup);
__get_stdin();
__get_stdout();
__get_stderr();
__setup_file_rec_list();
while (*++pfunc)
;
while (--pfunc > __CTOR_LIST__)
(*pfunc) ();
}