2 * remoting.c: Remoting support
4 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
5 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
6 * Copyright 2011-2014 Xamarin, Inc (http://www.xamarin.com)
12 #include "mono/metadata/remoting.h"
13 #include "mono/metadata/marshal.h"
14 #include "mono/metadata/abi-details.h"
15 #include "mono/metadata/cominterop.h"
16 #include "mono/metadata/tabledefs.h"
17 #include "mono/metadata/exception.h"
18 #include "mono/metadata/debug-helpers.h"
21 MONO_MARSHAL_NONE, /* No marshalling needed */
22 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
23 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
24 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
25 } MonoXDomainMarshalType;
27 #ifndef DISABLE_REMOTING
29 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
33 #include "mono/cil/opcode.def"
38 struct _MonoRemotingMethods {
40 MonoMethod *invoke_with_check;
41 MonoMethod *xdomain_invoke;
42 MonoMethod *xdomain_dispatch;
45 typedef struct _MonoRemotingMethods MonoRemotingMethods;
48 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
51 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
54 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
57 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
59 static MonoXDomainMarshalType
60 mono_get_xdomain_marshal_type (MonoType *t);
63 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
65 static MonoReflectionType *
66 type_from_handle (MonoType *handle);
68 static mono_mutex_t remoting_mutex;
69 static gboolean remoting_mutex_inited;
71 static MonoClass *byte_array_class;
73 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
74 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
78 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
80 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
82 mono_register_jit_icall (func, name, sig, save);
88 g_assert (remoting_mutex_inited);
89 mono_mutex_lock (&remoting_mutex);
93 remoting_unlock (void)
95 g_assert (remoting_mutex_inited);
96 mono_mutex_unlock (&remoting_mutex);
100 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
103 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
109 g_hash_table_new (hash_func, equal_func);
110 mono_memory_barrier ();
119 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
125 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
126 mono_memory_barrier ();
135 mono_remoting_init (void)
137 mono_mutex_init (&remoting_mutex);
138 remoting_mutex_inited = TRUE;
142 mono_remoting_marshal_init (void)
146 static gboolean module_initialized = FALSE;
147 static gboolean icalls_registered = FALSE;
149 if (module_initialized)
152 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
155 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
156 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
157 g_assert (method_rs_serialize);
158 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
159 g_assert (method_rs_deserialize);
160 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
161 g_assert (method_rs_serialize_exc);
163 klass = mono_defaults.real_proxy_class;
164 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
165 g_assert (method_rs_appdomain_target);
167 klass = mono_defaults.exception_class;
168 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
169 g_assert (method_exc_fixexc);
171 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
172 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
173 g_assert (method_set_call_context);
175 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
176 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
177 g_assert (method_needs_context_sink);
182 if (!icalls_registered) {
183 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
184 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
185 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
186 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
187 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
188 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
189 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
192 icalls_registered = TRUE;
194 mono_loader_unlock ();
196 module_initialized = TRUE;
199 static MonoReflectionType *
200 type_from_handle (MonoType *handle)
202 MonoDomain *domain = mono_domain_get ();
203 MonoClass *klass = mono_class_from_mono_type (handle);
205 mono_class_init (klass);
206 return mono_type_get_object (domain, handle);
211 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
214 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
215 mono_mb_emit_byte (mb, CEE_LDIND_I);
216 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
217 mono_mb_emit_byte (mb, CEE_ADD);
218 mono_mb_emit_byte (mb, CEE_LDIND_I);
219 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
220 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
221 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
222 pos = mono_mb_emit_branch (mb, branch_code);
227 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
230 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
231 mono_mb_emit_byte (mb, CEE_LDIND_REF);
232 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
233 mono_mb_emit_byte (mb, CEE_LDIND_I4);
234 mono_mb_emit_icon (mb, -1);
235 pos = mono_mb_emit_branch (mb, branch_code);
240 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
242 static int offset = -1;
246 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
248 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
249 mono_mb_emit_byte (mb, CEE_LDIND_REF);
250 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
251 mono_mb_emit_byte (mb, CEE_LDIND_REF);
252 mono_mb_emit_ldflda (mb, offset);
253 mono_mb_emit_byte (mb, CEE_LDIND_U1);
254 mono_mb_emit_icon (mb, mask);
255 mono_mb_emit_byte (mb, CEE_AND);
256 mono_mb_emit_icon (mb, 0);
257 return mono_mb_emit_branch (mb, branch_code);
259 #endif /* !DISABLE_JIT */
261 static inline MonoMethod*
262 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
264 MonoMethod *res = NULL;
265 MonoRemotingMethods *wrps;
267 mono_marshal_lock_internal ();
268 if (method->is_inflated && ((MonoMethodInflated *)method)->owner->wrapper_caches.remoting_invoke_cache) {
269 MonoMethodInflated *imethod = (MonoMethodInflated *)method;
270 wrps = g_hash_table_lookup (imethod->owner->wrapper_caches.remoting_invoke_cache, method);
271 } else if (method->klass->image->wrapper_caches.remoting_invoke_cache)
272 wrps = g_hash_table_lookup (method->klass->image->wrapper_caches.remoting_invoke_cache, method);
277 switch (wrapper_type) {
278 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
279 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
280 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
281 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
285 /* it is important to do the unlock after the load from wrps, since in
286 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
287 * to take the loader lock and some other thread may set the fields.
289 mono_marshal_unlock_internal ();
293 /* Create the method from the builder and place it in the cache */
294 static inline MonoMethod*
295 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
296 MonoMethodSignature *sig, int max_stack)
298 MonoMethod **res = NULL;
299 MonoRemotingMethods *wrps;
302 if (key->is_inflated) {
303 MonoMethodInflated *imethod = (MonoMethodInflated *)key;
304 cache = get_cache_full (&imethod->owner->wrapper_caches.remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
306 cache = get_cache_full (&key->klass->image->wrapper_caches.remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
308 mono_marshal_lock_internal ();
309 wrps = g_hash_table_lookup (cache, key);
311 wrps = g_new0 (MonoRemotingMethods, 1);
312 g_hash_table_insert (cache, key, wrps);
315 switch (mb->method->wrapper_type) {
316 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
317 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
318 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
319 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
320 default: g_assert_not_reached (); break;
322 mono_marshal_unlock_internal ();
326 newm = mono_mb_create_method (mb, sig, max_stack);
328 mono_marshal_lock_internal ();
331 mono_marshal_set_wrapper_info (*res, key);
332 mono_marshal_unlock_internal ();
334 mono_marshal_unlock_internal ();
335 mono_free_method (newm);
343 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
345 MonoMethodMessage *msg;
346 MonoTransparentProxy *this_obj;
347 MonoObject *res, *exc;
350 this_obj = *((MonoTransparentProxy **)params [0]);
353 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
355 /* skip the this pointer */
358 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
361 MonoMethodSignature *sig = mono_method_signature (method);
362 int count = sig->param_count;
363 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
365 for (i=0; i<count; i++) {
366 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
367 if (class->valuetype) {
368 if (sig->params [i]->byref) {
369 mparams[i] = *((gpointer *)params [i]);
371 /* runtime_invoke expects a boxed instance */
372 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
373 mparams[i] = mono_nullable_box (params [i], class);
375 mparams[i] = params [i];
378 mparams[i] = *((gpointer**)params [i]);
382 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, NULL);
385 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
387 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args);
390 mono_raise_exception ((MonoException *)exc);
392 mono_method_return_message_restore (method, params, out_args);
398 mono_marshal_get_remoting_invoke (MonoMethod *method)
400 MonoMethodSignature *sig;
401 MonoMethodBuilder *mb;
407 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
410 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
412 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
413 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
414 g_assert (vtable); /*FIXME do proper error handling*/
416 if (!mono_vtable_is_remote (vtable)) {
417 return mono_cominterop_get_invoke (method);
422 sig = mono_signature_no_pinvoke (method);
424 /* we cant remote methods without this pointer */
428 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
431 mono_remoting_marshal_init ();
433 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
436 mb->method->save_lmf = 1;
438 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
440 mono_mb_emit_ptr (mb, method);
441 mono_mb_emit_ldloc (mb, params_var);
442 mono_mb_emit_icall (mb, mono_remoting_wrapper);
443 mono_marshal_emit_thread_interrupt_checkpoint (mb);
445 if (sig->ret->type == MONO_TYPE_VOID) {
446 mono_mb_emit_byte (mb, CEE_POP);
447 mono_mb_emit_byte (mb, CEE_RET);
449 mono_mb_emit_restore_result (mb, sig->ret);
453 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
459 /* mono_marshal_xdomain_copy_out_value()
460 * Copies the contents of the src instance into the dst instance. src and dst
461 * must have the same type, and if they are arrays, the same size.
464 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
466 if (src == NULL || dst == NULL) return;
468 g_assert (mono_object_class (src) == mono_object_class (dst));
470 switch (mono_object_class (src)->byval_arg.type) {
471 case MONO_TYPE_ARRAY:
472 case MONO_TYPE_SZARRAY: {
473 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
474 if (mt == MONO_MARSHAL_SERIALIZE) return;
475 if (mt == MONO_MARSHAL_COPY) {
476 int i, len = mono_array_length ((MonoArray *)dst);
477 for (i = 0; i < len; i++) {
478 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
479 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
482 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
493 #if !defined (DISABLE_JIT)
495 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
497 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
498 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
502 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
504 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
508 /* mono_marshal_supports_fast_xdomain()
509 * Returns TRUE if the method can use the fast xdomain wrapper.
512 mono_marshal_supports_fast_xdomain (MonoMethod *method)
514 return !mono_class_is_contextbound (method->klass) &&
515 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
519 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
521 MonoDomain *current_domain = mono_domain_get ();
522 MonoDomain *domain = mono_domain_get_by_id (id);
524 if (!domain || !mono_domain_set (domain, FALSE))
525 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
528 mono_thread_push_appdomain_ref (domain);
530 mono_thread_pop_appdomain_ref ();
532 return current_domain->domain_id;
535 #if !defined (DISABLE_JIT)
537 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
539 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
542 /* mono_marshal_emit_load_domain_method ()
543 * Loads into the stack a pointer to the code of the provided method for
544 * the current domain.
547 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
549 /* We need a pointer to the method for the running domain (not the domain
550 * that compiles the method).
552 mono_mb_emit_ptr (mb, method);
553 mono_mb_emit_icall (mb, mono_compile_method);
557 /* mono_marshal_check_domain_image ()
558 * Returns TRUE if the image is loaded in the specified
559 * application domain.
562 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
567 MonoDomain *domain = mono_domain_get_by_id (domain_id);
571 mono_domain_assemblies_lock (domain);
572 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
574 if (ass->image == image)
577 mono_domain_assemblies_unlock (domain);
582 /* mono_marshal_get_xappdomain_dispatch ()
583 * Generates a method that dispatches a method call from another domain into
584 * the current domain.
587 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
589 MonoMethodSignature *sig, *csig;
590 MonoMethodBuilder *mb;
592 int i, j, param_index, copy_locals_base;
593 MonoClass *ret_class = NULL;
594 int loc_array=0, loc_return=0, loc_serialized_exc=0;
595 MonoExceptionClause *main_clause;
597 gboolean copy_return;
599 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
602 sig = mono_method_signature (method);
603 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
606 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
607 csig->params [j++] = &mono_defaults.object_class->byval_arg;
608 csig->params [j++] = &byte_array_class->this_arg;
609 csig->params [j++] = &byte_array_class->this_arg;
610 for (i = 0; i < sig->param_count; i++) {
611 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
612 csig->params [j++] = sig->params [i];
615 csig->ret = sig->ret;
617 csig->ret = &mono_defaults.void_class->byval_arg;
619 csig->hasthis = FALSE;
621 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
622 mb->method->save_lmf = 1;
627 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
628 if (complex_count > 0)
629 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
630 if (sig->ret->type != MONO_TYPE_VOID) {
631 loc_return = mono_mb_add_local (mb, sig->ret);
632 ret_class = mono_class_from_mono_type (sig->ret);
637 main_clause = mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
638 main_clause->try_offset = mono_mb_get_label (mb);
640 /* Clean the call context */
642 mono_mb_emit_byte (mb, CEE_LDNULL);
643 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
644 mono_mb_emit_byte (mb, CEE_POP);
646 /* Deserialize call data */
648 mono_mb_emit_ldarg (mb, 1);
649 mono_mb_emit_byte (mb, CEE_LDIND_REF);
650 mono_mb_emit_byte (mb, CEE_DUP);
651 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
653 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
654 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
656 if (complex_count > 0)
657 mono_mb_emit_stloc (mb, loc_array);
659 mono_mb_emit_byte (mb, CEE_POP);
661 mono_mb_patch_short_branch (mb, pos);
663 /* Get the target object */
665 mono_mb_emit_ldarg (mb, 0);
666 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
668 /* Load the arguments */
670 copy_locals_base = mb->locals;
671 param_index = 3; // Index of the first non-serialized parameter of this wrapper
673 for (i = 0; i < sig->param_count; i++) {
674 MonoType *pt = sig->params [i];
675 MonoClass *pclass = mono_class_from_mono_type (pt);
676 switch (marshal_types [i]) {
677 case MONO_MARSHAL_SERIALIZE: {
678 /* take the value from the serialized array */
679 mono_mb_emit_ldloc (mb, loc_array);
680 mono_mb_emit_icon (mb, j++);
682 if (pclass->valuetype) {
683 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
684 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
686 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
689 if (pclass->valuetype) {
690 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
691 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
692 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
694 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
695 if (pclass != mono_defaults.object_class) {
696 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
702 case MONO_MARSHAL_COPY_OUT: {
703 /* Keep a local copy of the value since we need to copy it back after the call */
704 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
705 mono_mb_emit_ldarg (mb, param_index++);
706 mono_marshal_emit_xdomain_copy_value (mb, pclass);
707 mono_mb_emit_byte (mb, CEE_DUP);
708 mono_mb_emit_stloc (mb, copy_local);
711 case MONO_MARSHAL_COPY: {
712 mono_mb_emit_ldarg (mb, param_index);
714 mono_mb_emit_byte (mb, CEE_DUP);
715 mono_mb_emit_byte (mb, CEE_DUP);
716 mono_mb_emit_byte (mb, CEE_LDIND_REF);
717 mono_marshal_emit_xdomain_copy_value (mb, pclass);
718 mono_mb_emit_byte (mb, CEE_STIND_REF);
720 mono_marshal_emit_xdomain_copy_value (mb, pclass);
725 case MONO_MARSHAL_NONE:
726 mono_mb_emit_ldarg (mb, param_index++);
731 /* Make the call to the real object */
733 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
735 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
737 if (sig->ret->type != MONO_TYPE_VOID)
738 mono_mb_emit_stloc (mb, loc_return);
740 /* copy back MONO_MARSHAL_COPY_OUT parameters */
744 for (i = 0; i < sig->param_count; i++) {
745 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
746 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
747 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
748 mono_mb_emit_ldarg (mb, param_index);
749 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
754 /* Serialize the return values */
756 if (complex_out_count > 0) {
757 /* Reset parameters in the array that don't need to be serialized back */
759 for (i = 0; i < sig->param_count; i++) {
760 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
761 if (!sig->params [i]->byref) {
762 mono_mb_emit_ldloc (mb, loc_array);
763 mono_mb_emit_icon (mb, j);
764 mono_mb_emit_byte (mb, CEE_LDNULL);
765 mono_mb_emit_byte (mb, CEE_STELEM_REF);
770 /* Add the return value to the array */
772 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
773 mono_mb_emit_ldloc (mb, loc_array);
774 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
775 mono_mb_emit_ldloc (mb, loc_return);
777 g_assert (ret_class); /*FIXME properly fail here*/
778 if (ret_class->valuetype) {
779 mono_mb_emit_op (mb, CEE_BOX, ret_class);
781 mono_mb_emit_byte (mb, CEE_STELEM_REF);
786 mono_mb_emit_ldarg (mb, 1);
787 mono_mb_emit_ldloc (mb, loc_array);
788 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
789 mono_mb_emit_byte (mb, CEE_STIND_REF);
790 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
791 mono_mb_emit_ldarg (mb, 1);
792 mono_mb_emit_ldloc (mb, loc_return);
793 if (ret_class->valuetype) {
794 mono_mb_emit_op (mb, CEE_BOX, ret_class);
796 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
797 mono_mb_emit_byte (mb, CEE_STIND_REF);
799 mono_mb_emit_ldarg (mb, 1);
800 mono_mb_emit_byte (mb, CEE_LDNULL);
801 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
802 mono_mb_emit_byte (mb, CEE_STIND_REF);
805 mono_mb_emit_ldarg (mb, 2);
806 mono_mb_emit_byte (mb, CEE_LDNULL);
807 mono_mb_emit_byte (mb, CEE_STIND_REF);
808 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
810 /* Main exception catch */
811 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
812 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
813 main_clause->data.catch_class = mono_defaults.object_class;
816 main_clause->handler_offset = mono_mb_get_label (mb);
817 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
818 mono_mb_emit_stloc (mb, loc_serialized_exc);
819 mono_mb_emit_ldarg (mb, 2);
820 mono_mb_emit_ldloc (mb, loc_serialized_exc);
821 mono_mb_emit_byte (mb, CEE_STIND_REF);
822 mono_mb_emit_branch (mb, CEE_LEAVE);
823 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
826 mono_mb_patch_branch (mb, pos_leave);
829 mono_mb_emit_ldloc (mb, loc_return);
831 mono_mb_emit_byte (mb, CEE_RET);
833 mono_mb_set_clauses (mb, 1, main_clause);
836 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
842 /* mono_marshal_get_xappdomain_invoke ()
843 * Generates a fast remoting wrapper for cross app domain calls.
846 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
848 MonoMethodSignature *sig;
849 MonoMethodBuilder *mb;
851 int i, j, complex_count, complex_out_count, copy_locals_base;
853 MonoClass *ret_class = NULL;
854 MonoMethod *xdomain_method;
855 int ret_marshal_type = MONO_MARSHAL_NONE;
856 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
857 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
858 int pos, pos_dispatch, pos_noex;
859 gboolean copy_return = FALSE;
863 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
866 /* we cant remote methods without this pointer */
867 if (!mono_method_signature (method)->hasthis)
870 mono_remoting_marshal_init ();
872 if (!mono_marshal_supports_fast_xdomain (method))
873 return mono_marshal_get_remoting_invoke (method);
875 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
878 sig = mono_signature_no_pinvoke (method);
880 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
881 mb->method->save_lmf = 1;
883 /* Count the number of parameters that need to be serialized */
885 marshal_types = alloca (sizeof (int) * sig->param_count);
886 complex_count = complex_out_count = 0;
887 for (i = 0; i < sig->param_count; i++) {
888 MonoType *ptype = sig->params[i];
889 int mt = mono_get_xdomain_marshal_type (ptype);
891 /* If the [Out] attribute is applied to a parameter that can be internally copied,
892 * the copy will be made by reusing the original object instance
894 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
895 mt = MONO_MARSHAL_COPY_OUT;
896 else if (mt == MONO_MARSHAL_SERIALIZE) {
898 if (ptype->byref) complex_out_count++;
900 marshal_types [i] = mt;
903 if (sig->ret->type != MONO_TYPE_VOID) {
904 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
905 ret_class = mono_class_from_mono_type (sig->ret);
906 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
912 if (complex_count > 0)
913 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
914 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
915 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
917 loc_return = mono_mb_add_local (mb, sig->ret);
918 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
919 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
920 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
921 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
923 /* Save thread domain data */
925 mono_mb_emit_icall (mb, mono_context_get);
926 mono_mb_emit_byte (mb, CEE_DUP);
927 mono_mb_emit_stloc (mb, loc_context);
929 /* If the thread is not running in the default context, it needs to go
930 * through the whole remoting sink, since the context is going to change
932 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
933 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
935 /* Another case in which the fast path can't be used: when the target domain
936 * has a different image for the same assembly.
939 /* Get the target domain id */
941 mono_mb_emit_ldarg (mb, 0);
942 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
943 mono_mb_emit_byte (mb, CEE_LDIND_REF);
944 mono_mb_emit_byte (mb, CEE_DUP);
945 mono_mb_emit_stloc (mb, loc_real_proxy);
947 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
948 mono_mb_emit_byte (mb, CEE_LDIND_I4);
949 mono_mb_emit_stloc (mb, loc_domainid);
951 /* Check if the target domain has the same image for the required assembly */
953 mono_mb_emit_ldloc (mb, loc_domainid);
954 mono_mb_emit_ptr (mb, method->klass->image);
955 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
956 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
958 /* Use the whole remoting sink to dispatch this message */
960 mono_mb_patch_short_branch (mb, pos);
962 mono_mb_emit_ldarg (mb, 0);
963 for (i = 0; i < sig->param_count; i++)
964 mono_mb_emit_ldarg (mb, i + 1);
966 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
967 mono_mb_emit_byte (mb, CEE_RET);
968 mono_mb_patch_short_branch (mb, pos_dispatch);
970 /* Create the array that will hold the parameters to be serialized */
972 if (complex_count > 0) {
973 mono_mb_emit_icon (mb, (ret_marshal_type == MONO_MARSHAL_SERIALIZE && complex_out_count > 0) ? complex_count + 1 : complex_count); /* +1 for the return type */
974 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
977 for (i = 0; i < sig->param_count; i++) {
979 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
980 pclass = mono_class_from_mono_type (sig->params[i]);
981 mono_mb_emit_byte (mb, CEE_DUP);
982 mono_mb_emit_icon (mb, j);
983 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
984 if (sig->params[i]->byref) {
985 if (pclass->valuetype)
986 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
988 mono_mb_emit_byte (mb, CEE_LDIND_REF);
990 if (pclass->valuetype)
991 mono_mb_emit_op (mb, CEE_BOX, pclass);
992 mono_mb_emit_byte (mb, CEE_STELEM_REF);
995 mono_mb_emit_stloc (mb, loc_array);
997 /* Serialize parameters */
999 mono_mb_emit_ldloc (mb, loc_array);
1000 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1001 mono_mb_emit_stloc (mb, loc_serialized_data);
1003 mono_mb_emit_byte (mb, CEE_LDNULL);
1004 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1005 mono_mb_emit_stloc (mb, loc_serialized_data);
1010 mono_mb_emit_ldloc (mb, loc_domainid);
1011 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1012 mono_marshal_emit_switch_domain (mb);
1013 mono_mb_emit_stloc (mb, loc_old_domainid);
1015 /* Load the arguments */
1017 mono_mb_emit_ldloc (mb, loc_real_proxy);
1018 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1019 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1021 copy_locals_base = mb->locals;
1022 for (i = 0; i < sig->param_count; i++) {
1023 switch (marshal_types [i]) {
1024 case MONO_MARSHAL_SERIALIZE:
1026 case MONO_MARSHAL_COPY: {
1027 mono_mb_emit_ldarg (mb, i+1);
1028 if (sig->params [i]->byref) {
1029 /* make a local copy of the byref parameter. The real parameter
1030 * will be updated after the xdomain call
1032 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1033 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1034 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1035 mono_mb_emit_stloc (mb, copy_local);
1036 mono_mb_emit_ldloc_addr (mb, copy_local);
1040 case MONO_MARSHAL_COPY_OUT:
1041 case MONO_MARSHAL_NONE:
1042 mono_mb_emit_ldarg (mb, i+1);
1047 /* Make the call to the invoke wrapper in the target domain */
1049 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1050 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1051 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1054 mono_mb_emit_stloc (mb, loc_return);
1058 mono_mb_emit_ldloc (mb, loc_old_domainid);
1059 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1060 mono_marshal_emit_switch_domain (mb);
1061 mono_mb_emit_byte (mb, CEE_POP);
1063 /* Restore thread domain data */
1065 mono_mb_emit_ldloc (mb, loc_context);
1066 mono_mb_emit_icall (mb, mono_context_set);
1068 /* if (loc_serialized_exc != null) ... */
1070 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1071 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1073 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1074 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1075 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1076 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1077 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1078 mono_mb_emit_byte (mb, CEE_THROW);
1079 mono_mb_patch_short_branch (mb, pos_noex);
1081 /* copy back non-serialized output parameters */
1084 for (i = 0; i < sig->param_count; i++) {
1085 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1086 mono_mb_emit_ldarg (mb, i + 1);
1087 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1088 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1089 mono_mb_emit_byte (mb, CEE_STIND_REF);
1092 /* Deserialize out parameters */
1094 if (complex_out_count > 0) {
1095 mono_mb_emit_ldloc (mb, loc_serialized_data);
1096 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1097 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1098 mono_mb_emit_stloc (mb, loc_array);
1100 /* Copy back output parameters and return type */
1103 for (i = 0; i < sig->param_count; i++) {
1104 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1105 if (sig->params[i]->byref) {
1106 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1107 mono_mb_emit_ldarg (mb, i + 1);
1108 mono_mb_emit_ldloc (mb, loc_array);
1109 mono_mb_emit_icon (mb, j);
1110 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1111 if (pclass->valuetype) {
1112 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1113 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1114 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1116 if (pclass != mono_defaults.object_class)
1117 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1118 mono_mb_emit_byte (mb, CEE_STIND_REF);
1124 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1125 mono_mb_emit_ldloc (mb, loc_array);
1126 mono_mb_emit_icon (mb, complex_count);
1127 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1128 if (ret_class->valuetype) {
1129 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1130 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1133 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1134 mono_mb_emit_ldloc (mb, loc_serialized_data);
1135 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1136 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1137 if (ret_class->valuetype) {
1138 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1139 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1140 } else if (ret_class != mono_defaults.object_class) {
1141 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1144 mono_mb_emit_ldloc (mb, loc_serialized_data);
1145 mono_mb_emit_byte (mb, CEE_DUP);
1146 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1147 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1149 mono_mb_patch_short_branch (mb, pos);
1150 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1151 mono_mb_emit_byte (mb, CEE_POP);
1155 mono_mb_emit_ldloc (mb, loc_return);
1156 if (ret_marshal_type == MONO_MARSHAL_COPY)
1157 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1160 mono_mb_emit_byte (mb, CEE_RET);
1161 #endif /* DISABLE_JIT */
1163 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
1170 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1172 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1173 return mono_marshal_get_xappdomain_invoke (method);
1174 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1176 return mono_cominterop_get_invoke (method);
1178 g_assert_not_reached ();
1181 return mono_marshal_get_remoting_invoke (method);
1187 G_GNUC_UNUSED static gpointer
1188 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1190 if (rp->target_domain_id != -1)
1191 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1193 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1197 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1199 MonoMethodSignature *sig;
1200 MonoMethodBuilder *mb;
1201 MonoMethod *res, *native;
1202 int i, pos, pos_rem;
1206 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1209 /* we cant remote methods without this pointer */
1210 g_assert (mono_method_signature (method)->hasthis);
1212 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1215 sig = mono_signature_no_pinvoke (method);
1217 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1220 for (i = 0; i <= sig->param_count; i++)
1221 mono_mb_emit_ldarg (mb, i);
1223 mono_mb_emit_ldarg (mb, 0);
1224 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1226 if (mono_marshal_supports_fast_xdomain (method)) {
1227 mono_mb_emit_ldarg (mb, 0);
1228 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1230 /* wrapper for cross app domain calls */
1231 native = mono_marshal_get_xappdomain_invoke (method);
1232 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1233 mono_mb_emit_byte (mb, CEE_RET);
1235 mono_mb_patch_branch (mb, pos_rem);
1237 /* wrapper for normal remote calls */
1238 native = mono_marshal_get_remoting_invoke (method);
1239 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1240 mono_mb_emit_byte (mb, CEE_RET);
1243 mono_mb_patch_branch (mb, pos);
1244 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1245 mono_mb_emit_byte (mb, CEE_RET);
1248 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
1255 * mono_marshal_get_ldfld_remote_wrapper:
1256 * @klass: The return type
1258 * This method generates a wrapper for calling mono_load_remote_field_new.
1259 * The return type is ignored for now, as mono_load_remote_field_new () always
1260 * returns an object. In the future, to optimize some codepaths, we might
1261 * call a different function that takes a pointer to a valuetype, instead.
1264 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1266 MonoMethodSignature *sig, *csig;
1267 MonoMethodBuilder *mb;
1269 static MonoMethod* cached = NULL;
1271 mono_marshal_lock_internal ();
1273 mono_marshal_unlock_internal ();
1276 mono_marshal_unlock_internal ();
1278 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1280 mb->method->save_lmf = 1;
1282 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1283 sig->params [0] = &mono_defaults.object_class->byval_arg;
1284 sig->params [1] = &mono_defaults.int_class->byval_arg;
1285 sig->params [2] = &mono_defaults.int_class->byval_arg;
1286 sig->ret = &mono_defaults.object_class->byval_arg;
1289 mono_mb_emit_ldarg (mb, 0);
1290 mono_mb_emit_ldarg (mb, 1);
1291 mono_mb_emit_ldarg (mb, 2);
1293 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1294 csig->params [0] = &mono_defaults.object_class->byval_arg;
1295 csig->params [1] = &mono_defaults.int_class->byval_arg;
1296 csig->params [2] = &mono_defaults.int_class->byval_arg;
1297 csig->ret = &mono_defaults.object_class->byval_arg;
1300 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1301 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1303 mono_mb_emit_byte (mb, CEE_RET);
1306 mono_marshal_lock_internal ();
1308 mono_marshal_unlock_internal ();
1311 newm = mono_mb_create (mb, sig, 4, NULL);
1312 mono_marshal_lock_internal ();
1317 mono_marshal_unlock_internal ();
1319 mono_marshal_unlock_internal ();
1320 mono_free_method (newm);
1329 * mono_marshal_get_ldfld_wrapper:
1330 * @type: the type of the field
1332 * This method generates a function which can be use to load a field with type
1333 * @type from an object. The generated function has the following signature:
1334 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
1337 mono_marshal_get_ldfld_wrapper (MonoType *type)
1339 MonoMethodSignature *sig;
1340 MonoMethodBuilder *mb;
1346 int t, pos0, pos1 = 0;
1348 type = mono_type_get_underlying_type (type);
1353 if (type->type == MONO_TYPE_SZARRAY) {
1354 klass = mono_defaults.array_class;
1355 } else if (type->type == MONO_TYPE_VALUETYPE) {
1356 klass = type->data.klass;
1357 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1358 klass = mono_defaults.object_class;
1359 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1360 klass = mono_defaults.int_class;
1361 } else if (t == MONO_TYPE_GENERICINST) {
1362 if (mono_type_generic_inst_is_valuetype (type))
1363 klass = mono_class_from_mono_type (type);
1365 klass = mono_defaults.object_class;
1367 klass = mono_class_from_mono_type (type);
1370 klass = mono_defaults.int_class;
1373 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1374 if ((res = mono_marshal_find_in_cache (cache, klass)))
1377 /* we add the %p pointer value of klass because class names are not unique */
1378 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1379 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1382 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1383 sig->params [0] = &mono_defaults.object_class->byval_arg;
1384 sig->params [1] = &mono_defaults.int_class->byval_arg;
1385 sig->params [2] = &mono_defaults.int_class->byval_arg;
1386 sig->params [3] = &mono_defaults.int_class->byval_arg;
1387 sig->ret = &klass->byval_arg;
1390 mono_mb_emit_ldarg (mb, 0);
1391 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1393 mono_mb_emit_ldarg (mb, 0);
1394 mono_mb_emit_ldarg (mb, 1);
1395 mono_mb_emit_ldarg (mb, 2);
1397 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1400 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1401 csig->params [0] = &mono_defaults.object_class->byval_arg;
1402 csig->params [1] = &mono_defaults.int_class->byval_arg;
1403 csig->params [2] = &mono_defaults.int_class->byval_arg;
1404 csig->ret = &klass->this_arg;
1407 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1408 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1411 if (klass->valuetype) {
1412 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1413 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1415 mono_mb_emit_byte (mb, CEE_RET);
1418 mono_mb_patch_branch (mb, pos0);
1420 mono_mb_emit_ldarg (mb, 0);
1421 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1422 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1423 mono_mb_emit_ldarg (mb, 3);
1424 mono_mb_emit_byte (mb, CEE_ADD);
1426 if (klass->valuetype)
1427 mono_mb_patch_branch (mb, pos1);
1432 case MONO_TYPE_BOOLEAN:
1433 case MONO_TYPE_CHAR:
1442 case MONO_TYPE_ARRAY:
1443 case MONO_TYPE_SZARRAY:
1444 case MONO_TYPE_OBJECT:
1445 case MONO_TYPE_CLASS:
1446 case MONO_TYPE_STRING:
1450 case MONO_TYPE_FNPTR:
1451 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1453 case MONO_TYPE_VALUETYPE:
1454 g_assert (!klass->enumtype);
1455 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1457 case MONO_TYPE_GENERICINST:
1458 if (mono_type_generic_inst_is_valuetype (type)) {
1459 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1461 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1465 case MONO_TYPE_MVAR:
1466 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1469 g_warning ("type %x not implemented", type->type);
1470 g_assert_not_reached ();
1473 mono_mb_emit_byte (mb, CEE_RET);
1474 #endif /* DISABLE_JIT */
1476 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1477 info->d.proxy.klass = klass;
1478 res = mono_mb_create_and_cache_full (cache, klass,
1479 mb, sig, sig->param_count + 16, info, NULL);
1486 * mono_marshal_get_ldflda_wrapper:
1487 * @type: the type of the field
1489 * This method generates a function which can be used to load a field address
1490 * from an object. The generated function has the following signature:
1491 * gpointer ldflda_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset);
1494 mono_marshal_get_ldflda_wrapper (MonoType *type)
1496 MonoMethodSignature *sig;
1497 MonoMethodBuilder *mb;
1503 int t, pos0, pos1, pos2, pos3;
1505 type = mono_type_get_underlying_type (type);
1509 if (type->type == MONO_TYPE_SZARRAY) {
1510 klass = mono_defaults.array_class;
1511 } else if (type->type == MONO_TYPE_VALUETYPE) {
1512 klass = type->data.klass;
1513 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1514 t == MONO_TYPE_CLASS) {
1515 klass = mono_defaults.object_class;
1516 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1517 klass = mono_defaults.int_class;
1518 } else if (t == MONO_TYPE_GENERICINST) {
1519 if (mono_type_generic_inst_is_valuetype (type))
1520 klass = mono_class_from_mono_type (type);
1522 klass = mono_defaults.object_class;
1524 klass = mono_class_from_mono_type (type);
1527 klass = mono_defaults.int_class;
1530 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1531 if ((res = mono_marshal_find_in_cache (cache, klass)))
1534 /* we add the %p pointer value of klass because class names are not unique */
1535 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1536 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1539 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1540 sig->params [0] = &mono_defaults.object_class->byval_arg;
1541 sig->params [1] = &mono_defaults.int_class->byval_arg;
1542 sig->params [2] = &mono_defaults.int_class->byval_arg;
1543 sig->params [3] = &mono_defaults.int_class->byval_arg;
1544 sig->ret = &mono_defaults.int_class->byval_arg;
1547 /* if typeof (this) != transparent_proxy goto pos0 */
1548 mono_mb_emit_ldarg (mb, 0);
1549 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1551 /* if same_appdomain goto pos1 */
1552 mono_mb_emit_ldarg (mb, 0);
1553 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1555 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1557 /* same app domain */
1558 mono_mb_patch_branch (mb, pos1);
1560 /* if typeof (this) != contextbound goto pos2 */
1561 mono_mb_emit_ldarg (mb, 0);
1562 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1564 /* if this->rp->context == mono_context_get goto pos3 */
1565 mono_mb_emit_ldarg (mb, 0);
1566 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1567 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1568 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1569 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1570 mono_mb_emit_icall (mb, mono_context_get);
1571 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1573 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1575 mono_mb_patch_branch (mb, pos2);
1576 mono_mb_patch_branch (mb, pos3);
1578 /* return the address of the field from this->rp->unwrapped_server */
1579 mono_mb_emit_ldarg (mb, 0);
1580 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1581 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1582 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1583 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1584 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1585 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1586 mono_mb_emit_ldarg (mb, 3);
1587 mono_mb_emit_byte (mb, CEE_ADD);
1588 mono_mb_emit_byte (mb, CEE_RET);
1590 /* not a proxy: return the address of the field directly */
1591 mono_mb_patch_branch (mb, pos0);
1593 mono_mb_emit_ldarg (mb, 0);
1594 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1595 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1596 mono_mb_emit_ldarg (mb, 3);
1597 mono_mb_emit_byte (mb, CEE_ADD);
1599 mono_mb_emit_byte (mb, CEE_RET);
1602 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1603 info->d.proxy.klass = klass;
1604 res = mono_mb_create_and_cache_full (cache, klass,
1605 mb, sig, sig->param_count + 16,
1613 * mono_marshal_get_stfld_remote_wrapper:
1614 * klass: The type of the field
1616 * This function generates a wrapper for calling mono_store_remote_field_new
1617 * with the appropriate signature.
1618 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1619 * klass argument anymore.
1622 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1624 MonoMethodSignature *sig, *csig;
1625 MonoMethodBuilder *mb;
1627 static MonoMethod *cached = NULL;
1629 mono_marshal_lock_internal ();
1631 mono_marshal_unlock_internal ();
1634 mono_marshal_unlock_internal ();
1636 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1638 mb->method->save_lmf = 1;
1640 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1641 sig->params [0] = &mono_defaults.object_class->byval_arg;
1642 sig->params [1] = &mono_defaults.int_class->byval_arg;
1643 sig->params [2] = &mono_defaults.int_class->byval_arg;
1644 sig->params [3] = &mono_defaults.object_class->byval_arg;
1645 sig->ret = &mono_defaults.void_class->byval_arg;
1648 mono_mb_emit_ldarg (mb, 0);
1649 mono_mb_emit_ldarg (mb, 1);
1650 mono_mb_emit_ldarg (mb, 2);
1651 mono_mb_emit_ldarg (mb, 3);
1653 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1654 csig->params [0] = &mono_defaults.object_class->byval_arg;
1655 csig->params [1] = &mono_defaults.int_class->byval_arg;
1656 csig->params [2] = &mono_defaults.int_class->byval_arg;
1657 csig->params [3] = &mono_defaults.object_class->byval_arg;
1658 csig->ret = &mono_defaults.void_class->byval_arg;
1661 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1662 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1664 mono_mb_emit_byte (mb, CEE_RET);
1667 mono_marshal_lock_internal ();
1669 mono_marshal_unlock_internal ();
1672 newm = mono_mb_create (mb, sig, 6, NULL);
1673 mono_marshal_lock_internal ();
1678 mono_marshal_unlock_internal ();
1680 mono_marshal_unlock_internal ();
1681 mono_free_method (newm);
1690 * mono_marshal_get_stfld_wrapper:
1691 * @type: the type of the field
1693 * This method generates a function which can be use to store a field with type
1694 * @type. The generated function has the following signature:
1695 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
1698 mono_marshal_get_stfld_wrapper (MonoType *type)
1700 MonoMethodSignature *sig;
1701 MonoMethodBuilder *mb;
1709 type = mono_type_get_underlying_type (type);
1713 if (type->type == MONO_TYPE_SZARRAY) {
1714 klass = mono_defaults.array_class;
1715 } else if (type->type == MONO_TYPE_VALUETYPE) {
1716 klass = type->data.klass;
1717 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1718 klass = mono_defaults.object_class;
1719 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1720 klass = mono_defaults.int_class;
1721 } else if (t == MONO_TYPE_GENERICINST) {
1722 if (mono_type_generic_inst_is_valuetype (type))
1723 klass = mono_class_from_mono_type (type);
1725 klass = mono_defaults.object_class;
1727 klass = mono_class_from_mono_type (type);
1730 klass = mono_defaults.int_class;
1733 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1734 if ((res = mono_marshal_find_in_cache (cache, klass)))
1737 /* we add the %p pointer value of klass because class names are not unique */
1738 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1739 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1742 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1743 sig->params [0] = &mono_defaults.object_class->byval_arg;
1744 sig->params [1] = &mono_defaults.int_class->byval_arg;
1745 sig->params [2] = &mono_defaults.int_class->byval_arg;
1746 sig->params [3] = &mono_defaults.int_class->byval_arg;
1747 sig->params [4] = &klass->byval_arg;
1748 sig->ret = &mono_defaults.void_class->byval_arg;
1751 mono_mb_emit_ldarg (mb, 0);
1752 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1754 mono_mb_emit_ldarg (mb, 0);
1755 mono_mb_emit_ldarg (mb, 1);
1756 mono_mb_emit_ldarg (mb, 2);
1757 mono_mb_emit_ldarg (mb, 4);
1758 if (klass->valuetype)
1759 mono_mb_emit_op (mb, CEE_BOX, klass);
1761 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1763 mono_mb_emit_byte (mb, CEE_RET);
1765 mono_mb_patch_branch (mb, pos);
1767 mono_mb_emit_ldarg (mb, 0);
1768 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1769 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1770 mono_mb_emit_ldarg (mb, 3);
1771 mono_mb_emit_byte (mb, CEE_ADD);
1772 mono_mb_emit_ldarg (mb, 4);
1777 case MONO_TYPE_BOOLEAN:
1778 case MONO_TYPE_CHAR:
1787 case MONO_TYPE_ARRAY:
1788 case MONO_TYPE_SZARRAY:
1789 case MONO_TYPE_OBJECT:
1790 case MONO_TYPE_CLASS:
1791 case MONO_TYPE_STRING:
1795 case MONO_TYPE_FNPTR:
1796 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1798 case MONO_TYPE_VALUETYPE:
1799 g_assert (!klass->enumtype);
1800 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1802 case MONO_TYPE_GENERICINST:
1804 case MONO_TYPE_MVAR:
1805 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1808 g_warning ("type %x not implemented", type->type);
1809 g_assert_not_reached ();
1812 mono_mb_emit_byte (mb, CEE_RET);
1815 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1816 info->d.proxy.klass = klass;
1817 res = mono_mb_create_and_cache_full (cache, klass,
1818 mb, sig, sig->param_count + 16,
1826 mono_marshal_get_proxy_cancast (MonoClass *klass)
1828 static MonoMethodSignature *isint_sig = NULL;
1832 int pos_failed, pos_end;
1833 char *name, *klass_name;
1834 MonoMethod *can_cast_to;
1835 MonoMethodDesc *desc;
1836 MonoMethodBuilder *mb;
1838 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1839 if ((res = mono_marshal_find_in_cache (cache, klass)))
1843 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1844 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1845 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1846 isint_sig->pinvoke = 0;
1849 klass_name = mono_type_full_name (&klass->byval_arg);
1850 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1851 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1852 g_free (klass_name);
1855 mb->method->save_lmf = 1;
1858 /* get the real proxy from the transparent proxy*/
1859 mono_mb_emit_ldarg (mb, 0);
1860 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1861 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1863 /* get the reflection type from the type handle */
1864 mono_mb_emit_ptr (mb, &klass->byval_arg);
1865 mono_mb_emit_icall (mb, type_from_handle);
1867 mono_mb_emit_ldarg (mb, 0);
1869 /* make the call to CanCastTo (type, ob) */
1870 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1871 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1872 g_assert (can_cast_to);
1873 mono_method_desc_free (desc);
1874 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1876 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1878 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1879 mono_mb_emit_ptr (mb, &klass->byval_arg);
1880 mono_mb_emit_icall (mb, type_from_handle);
1881 mono_mb_emit_ldarg (mb, 0);
1883 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1884 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1886 mono_mb_emit_ldarg (mb, 0);
1887 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1891 mono_mb_patch_branch (mb, pos_failed);
1892 mono_mb_emit_byte (mb, CEE_LDNULL);
1896 mono_mb_patch_branch (mb, pos_end);
1897 mono_mb_emit_byte (mb, CEE_RET);
1900 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1901 info->d.proxy.klass = klass;
1902 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1909 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1912 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1913 klass = mono_class_from_mono_type (rtype->type);
1914 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1917 #else /* DISABLE_REMOTING */
1920 mono_remoting_init (void)
1924 #endif /* DISABLE_REMOTING */
1926 /* mono_get_xdomain_marshal_type()
1927 * Returns the kind of marshalling that a type needs for cross domain calls.
1929 static MonoXDomainMarshalType
1930 mono_get_xdomain_marshal_type (MonoType *t)
1933 case MONO_TYPE_VOID:
1934 g_assert_not_reached ();
1938 case MONO_TYPE_BOOLEAN:
1941 case MONO_TYPE_CHAR:
1948 return MONO_MARSHAL_NONE;
1949 case MONO_TYPE_STRING:
1950 return MONO_MARSHAL_COPY;
1951 case MONO_TYPE_ARRAY:
1952 case MONO_TYPE_SZARRAY: {
1953 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1954 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1955 return MONO_MARSHAL_COPY;
1961 return MONO_MARSHAL_SERIALIZE;
1964 /* mono_marshal_xdomain_copy_value
1965 * Makes a copy of "val" suitable for the current domain.
1968 mono_marshal_xdomain_copy_value (MonoObject *val)
1971 if (val == NULL) return NULL;
1973 domain = mono_domain_get ();
1975 switch (mono_object_class (val)->byval_arg.type) {
1976 case MONO_TYPE_VOID:
1977 g_assert_not_reached ();
1981 case MONO_TYPE_BOOLEAN:
1984 case MONO_TYPE_CHAR:
1990 case MONO_TYPE_R8: {
1991 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
1993 case MONO_TYPE_STRING: {
1994 MonoString *str = (MonoString *) val;
1995 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
1997 case MONO_TYPE_ARRAY:
1998 case MONO_TYPE_SZARRAY: {
2000 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2001 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2002 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2003 if (mt == MONO_MARSHAL_COPY) {
2004 int i, len = mono_array_length (acopy);
2005 for (i = 0; i < len; i++) {
2006 MonoObject *item = mono_array_get (acopy, gpointer, i);
2007 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2010 return (MonoObject *) acopy;