bool intrp_patcher_get_putstatic(u1 *sp)
{
ptrint *ip;
unresolved_field *uf;
fieldinfo *fi;
ip = (ptrint *) sp;
uf = (unresolved_field *) ip[2];
/* get the fieldinfo */
if (!(fi = resolve_field_eager(uf)))
return false;
/* check if the field's class is initialized */
if (!(fi->clazz->state & CLASS_INITIALIZED))
if (!initialize_class(fi->clazz))
return false;
/* patch the field's address */
ip[1] = (ptrint) &(fi->value);
return true;
}
void objc_initialize_class(Class cls) {
if (cls->info & OBJC_CLASS_INFO_INITIALIZED)
return;
objc_global_mutex_lock();
/*
* It's possible that two threads try to initialize a class at the same
* time. Make sure that the thread which held the lock did not already
* initialize it.
*/
if (cls->info & OBJC_CLASS_INFO_INITIALIZED) {
objc_global_mutex_unlock();
return;
}
setup_class(cls);
if (!(cls->info & OBJC_CLASS_INFO_SETUP)) {
objc_global_mutex_unlock();
return;
}
initialize_class(cls);
objc_global_mutex_unlock();
}
bool patcher_get_putstatic(patchref_t *pr)
{
unresolved_field* uf = (unresolved_field*) pr->ref;
uintptr_t* datap = (uintptr_t*) pr->datap;
uint8_t* ra = (uint8_t*) pr->mpc;
// Resolve the field.
fieldinfo* fi = resolve_field_eager(uf);
if (fi == NULL)
return false;
ra += PATCHER_CALL_SIZE;
// Check if the field's class is initialized/
if (!(fi->clazz->state & CLASS_INITIALIZED))
if (!initialize_class(fi->clazz))
return false;
// Patch the field value's address.
*datap = (uintptr_t) fi->value;
if (pr->disp_mb && !(fi->flags & ACC_VOLATILE))
patch_out_mfence(ra + pr->disp_mb - 2);
// Synchronize data cache.
md_dcacheflush((void*) pr->datap, SIZEOF_VOID_P);
// Patch back the original code.
patcher_patch_code(pr);
return true;
}
OBJCRT_EXPORT void objc_registerClassPair(Class cls) {
objc_global_mutex_lock();
// metaclass super is set up by setup_class.
setup_class(cls);
objc_hashtable_set(classes, cls->name, cls);
initialize_class(cls);
objc_global_mutex_unlock();
}
void initialize_library_module() {
initialize_attribute_manager();
initialize_trace();
initialize_constants();
initialize_fingerprint();
initialize_print();
initialize_placeholder();
initialize_idx_metavar();
initialize_io_state();
initialize_unifier();
initialize_kernel_serializer();
initialize_let();
initialize_typed_expr();
initialize_choice();
initialize_string();
initialize_resolve_macro();
initialize_annotation();
initialize_explicit();
initialize_module();
initialize_protected();
initialize_private();
initialize_scoped_ext();
initialize_reducible();
initialize_aliases();
initialize_coercion();
initialize_unifier_plugin();
initialize_sorry();
initialize_class();
initialize_library_util();
initialize_pp_options();
initialize_projection();
initialize_normalize();
initialize_abbreviation();
initialize_relation_manager();
initialize_user_recursors();
initialize_composition_manager();
initialize_noncomputable();
initialize_aux_recursors();
initialize_class_instance_resolution();
initialize_type_context();
initialize_light_rule_set();
initialize_congr_lemma_manager();
initialize_app_builder();
initialize_fun_info_manager();
initialize_unification_hint();
}
bool patcher_initialize_class(patchref_t *pr)
{
classinfo *c;
/* get stuff from the patcher reference */
c = (classinfo *) pr->ref;
/* check if the class is initialized */
if (!(c->state & CLASS_INITIALIZED))
if (!initialize_class(c))
return false;
/* patch back original code */
patcher_patch_code(pr);
return true;
}
static void initialize_class(Class cls) {
if (cls->info & OBJC_CLASS_INFO_INITIALIZED)
return;
if (cls->superclass)
initialize_class(cls->superclass);
cls->info |= OBJC_CLASS_INFO_DTABLE;
object_getClass((id)cls)->info |= OBJC_CLASS_INFO_DTABLE;
objc_update_dtable(cls);
objc_update_dtable(object_getClass((id)cls));
/*
* Set it first to prevent calling it recursively due to message sends
* in the initialize method
*/
cls->info |= OBJC_CLASS_INFO_INITIALIZED;
object_getClass((id)cls)->info |= OBJC_CLASS_INFO_INITIALIZED;
call_method(cls, "initialize");
}
bool intrp_patcher_get_putstatic_clinit(u1 *sp)
{
ptrint *ip;
fieldinfo *fi;
/* get the fieldinfo */
ip = (ptrint *) sp;
fi = (fieldinfo *) ip[2];
/* check if the field's class is initialized */
if (!(fi->clazz->state & CLASS_INITIALIZED))
if (!initialize_class(fi->clazz))
return false;
/* patch the field's address */
ip[1] = (ptrint) &(fi->value);
return true;
}
void initialize_library_module() {
initialize_constants();
initialize_fingerprint();
initialize_print();
initialize_placeholder();
initialize_idx_metavar();
initialize_kernel_bindings();
initialize_io_state();
initialize_unifier();
initialize_kernel_serializer();
initialize_let();
initialize_typed_expr();
initialize_choice();
initialize_num();
initialize_string();
initialize_resolve_macro();
initialize_annotation();
initialize_explicit();
initialize_module();
initialize_protected();
initialize_private();
initialize_scoped_ext();
initialize_reducible();
initialize_aliases();
initialize_coercion();
initialize_unifier_plugin();
initialize_sorry();
initialize_class();
initialize_library_util();
initialize_pp_options();
initialize_projection();
initialize_normalize();
initialize_abbreviation();
initialize_relation_manager();
initialize_user_recursors();
initialize_class_instance_elaborator();
initialize_composition_manager();
}