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"
19 #include "mono/metadata/reflection-internals.h"
22 MONO_MARSHAL_NONE, /* No marshalling needed */
23 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
24 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
25 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
26 } MonoXDomainMarshalType;
28 #ifndef DISABLE_REMOTING
30 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
34 #include "mono/cil/opcode.def"
39 struct _MonoRemotingMethods {
41 MonoMethod *invoke_with_check;
42 MonoMethod *xdomain_invoke;
43 MonoMethod *xdomain_dispatch;
46 typedef struct _MonoRemotingMethods MonoRemotingMethods;
49 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
52 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
55 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
58 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
60 static MonoXDomainMarshalType
61 mono_get_xdomain_marshal_type (MonoType *t);
64 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
66 static MonoReflectionType *
67 type_from_handle (MonoType *handle);
69 static mono_mutex_t remoting_mutex;
70 static gboolean remoting_mutex_inited;
72 static MonoClass *byte_array_class;
74 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
75 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
79 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
81 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
83 mono_register_jit_icall (func, name, sig, save);
89 g_assert (remoting_mutex_inited);
90 mono_os_mutex_lock (&remoting_mutex);
94 remoting_unlock (void)
96 g_assert (remoting_mutex_inited);
97 mono_os_mutex_unlock (&remoting_mutex);
101 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
104 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
110 g_hash_table_new (hash_func, equal_func);
111 mono_memory_barrier ();
120 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
126 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
127 mono_memory_barrier ();
136 mono_remoting_init (void)
138 mono_os_mutex_init (&remoting_mutex);
139 remoting_mutex_inited = TRUE;
143 mono_remoting_marshal_init (void)
147 static gboolean module_initialized = FALSE;
148 static gboolean icalls_registered = FALSE;
150 if (module_initialized)
153 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
156 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
157 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
158 g_assert (method_rs_serialize);
159 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
160 g_assert (method_rs_deserialize);
161 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
162 g_assert (method_rs_serialize_exc);
164 klass = mono_defaults.real_proxy_class;
165 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
166 g_assert (method_rs_appdomain_target);
168 klass = mono_defaults.exception_class;
169 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
170 g_assert (method_exc_fixexc);
172 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
173 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
174 g_assert (method_set_call_context);
176 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
177 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
178 g_assert (method_needs_context_sink);
183 if (!icalls_registered) {
184 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
185 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
186 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
187 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
188 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
189 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
190 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
193 icalls_registered = TRUE;
195 mono_loader_unlock ();
197 module_initialized = TRUE;
200 static MonoReflectionType *
201 type_from_handle (MonoType *handle)
204 MonoReflectionType *ret;
205 MonoDomain *domain = mono_domain_get ();
206 MonoClass *klass = mono_class_from_mono_type (handle);
208 mono_class_init (klass);
210 ret = mono_type_get_object_checked (domain, handle, &error);
211 mono_error_raise_exception (&error); /* FIXME don't raise here */
218 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
221 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
222 mono_mb_emit_byte (mb, CEE_LDIND_I);
223 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
224 mono_mb_emit_byte (mb, CEE_ADD);
225 mono_mb_emit_byte (mb, CEE_LDIND_I);
226 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
227 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
228 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
229 pos = mono_mb_emit_branch (mb, branch_code);
234 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
237 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
238 mono_mb_emit_byte (mb, CEE_LDIND_REF);
239 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
240 mono_mb_emit_byte (mb, CEE_LDIND_I4);
241 mono_mb_emit_icon (mb, -1);
242 pos = mono_mb_emit_branch (mb, branch_code);
247 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
249 static int offset = -1;
253 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
255 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
256 mono_mb_emit_byte (mb, CEE_LDIND_REF);
257 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
258 mono_mb_emit_byte (mb, CEE_LDIND_REF);
259 mono_mb_emit_ldflda (mb, offset);
260 mono_mb_emit_byte (mb, CEE_LDIND_U1);
261 mono_mb_emit_icon (mb, mask);
262 mono_mb_emit_byte (mb, CEE_AND);
263 mono_mb_emit_icon (mb, 0);
264 return mono_mb_emit_branch (mb, branch_code);
266 #endif /* !DISABLE_JIT */
268 static inline MonoMethod*
269 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
271 MonoMethod *res = NULL;
272 MonoRemotingMethods *wrps = NULL;
274 mono_marshal_lock_internal ();
275 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
276 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
279 switch (wrapper_type) {
280 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
281 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
282 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
283 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
287 /* it is important to do the unlock after the load from wrps, since in
288 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
289 * to take the loader lock and some other thread may set the fields.
291 mono_marshal_unlock_internal ();
295 /* Create the method from the builder and place it in the cache */
296 static inline MonoMethod*
297 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
298 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
300 MonoMethod **res = NULL;
301 MonoRemotingMethods *wrps;
304 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
306 mono_marshal_lock_internal ();
307 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
309 wrps = g_new0 (MonoRemotingMethods, 1);
310 g_hash_table_insert (cache, key, wrps);
313 switch (mb->method->wrapper_type) {
314 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
315 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
316 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
317 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
318 default: g_assert_not_reached (); break;
320 mono_marshal_unlock_internal ();
324 newm = mono_mb_create_method (mb, sig, max_stack);
326 mono_marshal_lock_internal ();
329 mono_marshal_set_wrapper_info (*res, info);
330 mono_marshal_unlock_internal ();
332 mono_marshal_unlock_internal ();
333 mono_free_method (newm);
341 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
343 MonoMethodMessage *msg;
344 MonoTransparentProxy *this_obj;
345 MonoObject *res, *exc;
348 this_obj = *((MonoTransparentProxy **)params [0]);
351 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
353 /* skip the this pointer */
356 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
359 MonoMethodSignature *sig = mono_method_signature (method);
360 int count = sig->param_count;
361 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
363 for (i=0; i<count; i++) {
364 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
365 if (klass->valuetype) {
366 if (sig->params [i]->byref) {
367 mparams[i] = *((gpointer *)params [i]);
369 /* runtime_invoke expects a boxed instance */
370 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
371 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass);
373 mparams[i] = params [i];
376 mparams[i] = *((gpointer**)params [i]);
380 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, NULL);
383 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
385 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args);
388 mono_raise_exception ((MonoException *)exc);
390 mono_method_return_message_restore (method, params, out_args);
396 mono_marshal_get_remoting_invoke (MonoMethod *method)
398 MonoMethodSignature *sig;
399 MonoMethodBuilder *mb;
406 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
409 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
411 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_get_com_object_class ()) {
412 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
413 g_assert (vtable); /*FIXME do proper error handling*/
415 if (!mono_vtable_is_remote (vtable)) {
416 return mono_cominterop_get_invoke (method);
421 sig = mono_signature_no_pinvoke (method);
423 /* we cant remote methods without this pointer */
427 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
430 mono_remoting_marshal_init ();
432 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
435 mb->method->save_lmf = 1;
437 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
439 mono_mb_emit_ptr (mb, method);
440 mono_mb_emit_ldloc (mb, params_var);
441 mono_mb_emit_icall (mb, mono_remoting_wrapper);
442 mono_marshal_emit_thread_interrupt_checkpoint (mb);
444 if (sig->ret->type == MONO_TYPE_VOID) {
445 mono_mb_emit_byte (mb, CEE_POP);
446 mono_mb_emit_byte (mb, CEE_RET);
448 mono_mb_emit_restore_result (mb, sig->ret);
452 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
453 info->d.remoting.method = method;
454 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
460 /* mono_marshal_xdomain_copy_out_value()
461 * Copies the contents of the src instance into the dst instance. src and dst
462 * must have the same type, and if they are arrays, the same size.
465 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
467 if (src == NULL || dst == NULL) return;
469 g_assert (mono_object_class (src) == mono_object_class (dst));
471 switch (mono_object_class (src)->byval_arg.type) {
472 case MONO_TYPE_ARRAY:
473 case MONO_TYPE_SZARRAY: {
474 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
475 if (mt == MONO_MARSHAL_SERIALIZE) return;
476 if (mt == MONO_MARSHAL_COPY) {
477 int i, len = mono_array_length ((MonoArray *)dst);
478 for (i = 0; i < len; i++) {
479 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
480 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
483 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
494 #if !defined (DISABLE_JIT)
496 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
498 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
499 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
503 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
505 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
509 /* mono_marshal_supports_fast_xdomain()
510 * Returns TRUE if the method can use the fast xdomain wrapper.
513 mono_marshal_supports_fast_xdomain (MonoMethod *method)
515 return !mono_class_is_contextbound (method->klass) &&
516 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
520 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
522 MonoDomain *current_domain = mono_domain_get ();
523 MonoDomain *domain = mono_domain_get_by_id (id);
525 if (!domain || !mono_domain_set (domain, FALSE))
526 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
529 mono_thread_push_appdomain_ref (domain);
531 mono_thread_pop_appdomain_ref ();
533 return current_domain->domain_id;
536 #if !defined (DISABLE_JIT)
538 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
540 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
543 /* mono_marshal_emit_load_domain_method ()
544 * Loads into the stack a pointer to the code of the provided method for
545 * the current domain.
548 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
550 /* We need a pointer to the method for the running domain (not the domain
551 * that compiles the method).
553 mono_mb_emit_ptr (mb, method);
554 mono_mb_emit_icall (mb, mono_compile_method);
558 /* mono_marshal_check_domain_image ()
559 * Returns TRUE if the image is loaded in the specified
560 * application domain.
563 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
568 MonoDomain *domain = mono_domain_get_by_id (domain_id);
572 mono_domain_assemblies_lock (domain);
573 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
574 ass = (MonoAssembly *)tmp->data;
575 if (ass->image == image)
578 mono_domain_assemblies_unlock (domain);
583 /* mono_marshal_get_xappdomain_dispatch ()
584 * Generates a method that dispatches a method call from another domain into
585 * the current domain.
588 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
590 MonoMethodSignature *sig, *csig;
591 MonoMethodBuilder *mb;
593 int i, j, param_index, copy_locals_base;
594 MonoClass *ret_class = NULL;
595 int loc_array=0, loc_return=0, loc_serialized_exc=0;
596 MonoExceptionClause *main_clause;
598 gboolean copy_return;
601 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
604 sig = mono_method_signature (method);
605 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
608 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
609 csig->params [j++] = &mono_defaults.object_class->byval_arg;
610 csig->params [j++] = &byte_array_class->this_arg;
611 csig->params [j++] = &byte_array_class->this_arg;
612 for (i = 0; i < sig->param_count; i++) {
613 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
614 csig->params [j++] = sig->params [i];
617 csig->ret = sig->ret;
619 csig->ret = &mono_defaults.void_class->byval_arg;
621 csig->hasthis = FALSE;
623 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
624 mb->method->save_lmf = 1;
629 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
630 if (complex_count > 0)
631 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
632 if (sig->ret->type != MONO_TYPE_VOID) {
633 loc_return = mono_mb_add_local (mb, sig->ret);
634 ret_class = mono_class_from_mono_type (sig->ret);
639 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
640 main_clause->try_offset = mono_mb_get_label (mb);
642 /* Clean the call context */
644 mono_mb_emit_byte (mb, CEE_LDNULL);
645 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
646 mono_mb_emit_byte (mb, CEE_POP);
648 /* Deserialize call data */
650 mono_mb_emit_ldarg (mb, 1);
651 mono_mb_emit_byte (mb, CEE_LDIND_REF);
652 mono_mb_emit_byte (mb, CEE_DUP);
653 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
655 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
656 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
658 if (complex_count > 0)
659 mono_mb_emit_stloc (mb, loc_array);
661 mono_mb_emit_byte (mb, CEE_POP);
663 mono_mb_patch_short_branch (mb, pos);
665 /* Get the target object */
667 mono_mb_emit_ldarg (mb, 0);
668 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
670 /* Load the arguments */
672 copy_locals_base = mb->locals;
673 param_index = 3; // Index of the first non-serialized parameter of this wrapper
675 for (i = 0; i < sig->param_count; i++) {
676 MonoType *pt = sig->params [i];
677 MonoClass *pclass = mono_class_from_mono_type (pt);
678 switch (marshal_types [i]) {
679 case MONO_MARSHAL_SERIALIZE: {
680 /* take the value from the serialized array */
681 mono_mb_emit_ldloc (mb, loc_array);
682 mono_mb_emit_icon (mb, j++);
684 if (pclass->valuetype) {
685 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
686 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
688 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
691 if (pclass->valuetype) {
692 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
693 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
694 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
696 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
697 if (pclass != mono_defaults.object_class) {
698 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
704 case MONO_MARSHAL_COPY_OUT: {
705 /* Keep a local copy of the value since we need to copy it back after the call */
706 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
707 mono_mb_emit_ldarg (mb, param_index++);
708 mono_marshal_emit_xdomain_copy_value (mb, pclass);
709 mono_mb_emit_byte (mb, CEE_DUP);
710 mono_mb_emit_stloc (mb, copy_local);
713 case MONO_MARSHAL_COPY: {
714 mono_mb_emit_ldarg (mb, param_index);
716 mono_mb_emit_byte (mb, CEE_DUP);
717 mono_mb_emit_byte (mb, CEE_DUP);
718 mono_mb_emit_byte (mb, CEE_LDIND_REF);
719 mono_marshal_emit_xdomain_copy_value (mb, pclass);
720 mono_mb_emit_byte (mb, CEE_STIND_REF);
722 mono_marshal_emit_xdomain_copy_value (mb, pclass);
727 case MONO_MARSHAL_NONE:
728 mono_mb_emit_ldarg (mb, param_index++);
733 /* Make the call to the real object */
735 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
737 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
739 if (sig->ret->type != MONO_TYPE_VOID)
740 mono_mb_emit_stloc (mb, loc_return);
742 /* copy back MONO_MARSHAL_COPY_OUT parameters */
746 for (i = 0; i < sig->param_count; i++) {
747 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
748 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
749 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
750 mono_mb_emit_ldarg (mb, param_index);
751 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
756 /* Serialize the return values */
758 if (complex_out_count > 0) {
759 /* Reset parameters in the array that don't need to be serialized back */
761 for (i = 0; i < sig->param_count; i++) {
762 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
763 if (!sig->params [i]->byref) {
764 mono_mb_emit_ldloc (mb, loc_array);
765 mono_mb_emit_icon (mb, j);
766 mono_mb_emit_byte (mb, CEE_LDNULL);
767 mono_mb_emit_byte (mb, CEE_STELEM_REF);
772 /* Add the return value to the array */
774 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
775 mono_mb_emit_ldloc (mb, loc_array);
776 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
777 mono_mb_emit_ldloc (mb, loc_return);
779 g_assert (ret_class); /*FIXME properly fail here*/
780 if (ret_class->valuetype) {
781 mono_mb_emit_op (mb, CEE_BOX, ret_class);
783 mono_mb_emit_byte (mb, CEE_STELEM_REF);
788 mono_mb_emit_ldarg (mb, 1);
789 mono_mb_emit_ldloc (mb, loc_array);
790 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
791 mono_mb_emit_byte (mb, CEE_STIND_REF);
792 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
793 mono_mb_emit_ldarg (mb, 1);
794 mono_mb_emit_ldloc (mb, loc_return);
795 if (ret_class->valuetype) {
796 mono_mb_emit_op (mb, CEE_BOX, ret_class);
798 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
799 mono_mb_emit_byte (mb, CEE_STIND_REF);
801 mono_mb_emit_ldarg (mb, 1);
802 mono_mb_emit_byte (mb, CEE_LDNULL);
803 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
804 mono_mb_emit_byte (mb, CEE_STIND_REF);
807 mono_mb_emit_ldarg (mb, 2);
808 mono_mb_emit_byte (mb, CEE_LDNULL);
809 mono_mb_emit_byte (mb, CEE_STIND_REF);
810 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
812 /* Main exception catch */
813 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
814 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
815 main_clause->data.catch_class = mono_defaults.object_class;
818 main_clause->handler_offset = mono_mb_get_label (mb);
819 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
820 mono_mb_emit_stloc (mb, loc_serialized_exc);
821 mono_mb_emit_ldarg (mb, 2);
822 mono_mb_emit_ldloc (mb, loc_serialized_exc);
823 mono_mb_emit_byte (mb, CEE_STIND_REF);
824 mono_mb_emit_branch (mb, CEE_LEAVE);
825 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
828 mono_mb_patch_branch (mb, pos_leave);
831 mono_mb_emit_ldloc (mb, loc_return);
833 mono_mb_emit_byte (mb, CEE_RET);
835 mono_mb_set_clauses (mb, 1, main_clause);
838 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
839 info->d.remoting.method = method;
840 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
846 /* mono_marshal_get_xappdomain_invoke ()
847 * Generates a fast remoting wrapper for cross app domain calls.
850 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
852 MonoMethodSignature *sig;
853 MonoMethodBuilder *mb;
855 int i, j, complex_count, complex_out_count, copy_locals_base;
857 MonoClass *ret_class = NULL;
858 MonoMethod *xdomain_method;
859 int ret_marshal_type = MONO_MARSHAL_NONE;
860 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
861 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
862 int pos, pos_dispatch, pos_noex;
863 gboolean copy_return = FALSE;
868 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
871 /* we cant remote methods without this pointer */
872 if (!mono_method_signature (method)->hasthis)
875 mono_remoting_marshal_init ();
877 if (!mono_marshal_supports_fast_xdomain (method))
878 return mono_marshal_get_remoting_invoke (method);
880 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
883 sig = mono_signature_no_pinvoke (method);
885 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
886 mb->method->save_lmf = 1;
888 /* Count the number of parameters that need to be serialized */
890 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
891 complex_count = complex_out_count = 0;
892 for (i = 0; i < sig->param_count; i++) {
893 MonoType *ptype = sig->params[i];
894 int mt = mono_get_xdomain_marshal_type (ptype);
896 /* If the [Out] attribute is applied to a parameter that can be internally copied,
897 * the copy will be made by reusing the original object instance
899 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
900 mt = MONO_MARSHAL_COPY_OUT;
901 else if (mt == MONO_MARSHAL_SERIALIZE) {
903 if (ptype->byref) complex_out_count++;
905 marshal_types [i] = mt;
908 if (sig->ret->type != MONO_TYPE_VOID) {
909 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
910 ret_class = mono_class_from_mono_type (sig->ret);
911 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
917 if (complex_count > 0)
918 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
919 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
920 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
922 loc_return = mono_mb_add_local (mb, sig->ret);
923 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
924 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
925 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
926 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
928 /* Save thread domain data */
930 mono_mb_emit_icall (mb, mono_context_get);
931 mono_mb_emit_byte (mb, CEE_DUP);
932 mono_mb_emit_stloc (mb, loc_context);
934 /* If the thread is not running in the default context, it needs to go
935 * through the whole remoting sink, since the context is going to change
937 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
938 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
940 /* Another case in which the fast path can't be used: when the target domain
941 * has a different image for the same assembly.
944 /* Get the target domain id */
946 mono_mb_emit_ldarg (mb, 0);
947 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
948 mono_mb_emit_byte (mb, CEE_LDIND_REF);
949 mono_mb_emit_byte (mb, CEE_DUP);
950 mono_mb_emit_stloc (mb, loc_real_proxy);
952 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
953 mono_mb_emit_byte (mb, CEE_LDIND_I4);
954 mono_mb_emit_stloc (mb, loc_domainid);
956 /* Check if the target domain has the same image for the required assembly */
958 mono_mb_emit_ldloc (mb, loc_domainid);
959 mono_mb_emit_ptr (mb, method->klass->image);
960 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
961 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
963 /* Use the whole remoting sink to dispatch this message */
965 mono_mb_patch_short_branch (mb, pos);
967 mono_mb_emit_ldarg (mb, 0);
968 for (i = 0; i < sig->param_count; i++)
969 mono_mb_emit_ldarg (mb, i + 1);
971 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
972 mono_mb_emit_byte (mb, CEE_RET);
973 mono_mb_patch_short_branch (mb, pos_dispatch);
975 /* Create the array that will hold the parameters to be serialized */
977 if (complex_count > 0) {
978 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 */
979 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
982 for (i = 0; i < sig->param_count; i++) {
984 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
985 pclass = mono_class_from_mono_type (sig->params[i]);
986 mono_mb_emit_byte (mb, CEE_DUP);
987 mono_mb_emit_icon (mb, j);
988 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
989 if (sig->params[i]->byref) {
990 if (pclass->valuetype)
991 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
993 mono_mb_emit_byte (mb, CEE_LDIND_REF);
995 if (pclass->valuetype)
996 mono_mb_emit_op (mb, CEE_BOX, pclass);
997 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1000 mono_mb_emit_stloc (mb, loc_array);
1002 /* Serialize parameters */
1004 mono_mb_emit_ldloc (mb, loc_array);
1005 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1006 mono_mb_emit_stloc (mb, loc_serialized_data);
1008 mono_mb_emit_byte (mb, CEE_LDNULL);
1009 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1010 mono_mb_emit_stloc (mb, loc_serialized_data);
1015 mono_mb_emit_ldloc (mb, loc_domainid);
1016 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1017 mono_marshal_emit_switch_domain (mb);
1018 mono_mb_emit_stloc (mb, loc_old_domainid);
1020 /* Load the arguments */
1022 mono_mb_emit_ldloc (mb, loc_real_proxy);
1023 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1024 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1026 copy_locals_base = mb->locals;
1027 for (i = 0; i < sig->param_count; i++) {
1028 switch (marshal_types [i]) {
1029 case MONO_MARSHAL_SERIALIZE:
1031 case MONO_MARSHAL_COPY: {
1032 mono_mb_emit_ldarg (mb, i+1);
1033 if (sig->params [i]->byref) {
1034 /* make a local copy of the byref parameter. The real parameter
1035 * will be updated after the xdomain call
1037 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1038 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1039 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1040 mono_mb_emit_stloc (mb, copy_local);
1041 mono_mb_emit_ldloc_addr (mb, copy_local);
1045 case MONO_MARSHAL_COPY_OUT:
1046 case MONO_MARSHAL_NONE:
1047 mono_mb_emit_ldarg (mb, i+1);
1052 /* Make the call to the invoke wrapper in the target domain */
1054 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1055 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1056 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1059 mono_mb_emit_stloc (mb, loc_return);
1063 mono_mb_emit_ldloc (mb, loc_old_domainid);
1064 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1065 mono_marshal_emit_switch_domain (mb);
1066 mono_mb_emit_byte (mb, CEE_POP);
1068 /* Restore thread domain data */
1070 mono_mb_emit_ldloc (mb, loc_context);
1071 mono_mb_emit_icall (mb, mono_context_set);
1073 /* if (loc_serialized_exc != null) ... */
1075 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1076 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1078 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1079 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1080 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1081 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1082 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1083 mono_mb_emit_byte (mb, CEE_THROW);
1084 mono_mb_patch_short_branch (mb, pos_noex);
1086 /* copy back non-serialized output parameters */
1089 for (i = 0; i < sig->param_count; i++) {
1090 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1091 mono_mb_emit_ldarg (mb, i + 1);
1092 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1093 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1094 mono_mb_emit_byte (mb, CEE_STIND_REF);
1097 /* Deserialize out parameters */
1099 if (complex_out_count > 0) {
1100 mono_mb_emit_ldloc (mb, loc_serialized_data);
1101 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1102 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1103 mono_mb_emit_stloc (mb, loc_array);
1105 /* Copy back output parameters and return type */
1108 for (i = 0; i < sig->param_count; i++) {
1109 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1110 if (sig->params[i]->byref) {
1111 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1112 mono_mb_emit_ldarg (mb, i + 1);
1113 mono_mb_emit_ldloc (mb, loc_array);
1114 mono_mb_emit_icon (mb, j);
1115 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1116 if (pclass->valuetype) {
1117 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1118 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1119 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1121 if (pclass != mono_defaults.object_class)
1122 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1123 mono_mb_emit_byte (mb, CEE_STIND_REF);
1129 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1130 mono_mb_emit_ldloc (mb, loc_array);
1131 mono_mb_emit_icon (mb, complex_count);
1132 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1133 if (ret_class->valuetype) {
1134 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1135 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1138 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1139 mono_mb_emit_ldloc (mb, loc_serialized_data);
1140 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1141 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1142 if (ret_class->valuetype) {
1143 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1144 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1145 } else if (ret_class != mono_defaults.object_class) {
1146 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1149 mono_mb_emit_ldloc (mb, loc_serialized_data);
1150 mono_mb_emit_byte (mb, CEE_DUP);
1151 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1152 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1154 mono_mb_patch_short_branch (mb, pos);
1155 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1156 mono_mb_emit_byte (mb, CEE_POP);
1160 mono_mb_emit_ldloc (mb, loc_return);
1161 if (ret_marshal_type == MONO_MARSHAL_COPY)
1162 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1165 mono_mb_emit_byte (mb, CEE_RET);
1166 #endif /* DISABLE_JIT */
1168 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1169 info->d.remoting.method = method;
1170 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1177 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1179 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1180 return mono_marshal_get_xappdomain_invoke (method);
1181 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1183 return mono_cominterop_get_invoke (method);
1185 g_assert_not_reached ();
1188 return mono_marshal_get_remoting_invoke (method);
1194 G_GNUC_UNUSED static gpointer
1195 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1197 if (rp->target_domain_id != -1)
1198 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1200 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1204 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1206 MonoMethodSignature *sig;
1207 MonoMethodBuilder *mb;
1208 MonoMethod *res, *native;
1210 int i, pos, pos_rem;
1214 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1217 /* we cant remote methods without this pointer */
1218 g_assert (mono_method_signature (method)->hasthis);
1220 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1223 sig = mono_signature_no_pinvoke (method);
1225 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1228 for (i = 0; i <= sig->param_count; i++)
1229 mono_mb_emit_ldarg (mb, i);
1231 mono_mb_emit_ldarg (mb, 0);
1232 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1234 if (mono_marshal_supports_fast_xdomain (method)) {
1235 mono_mb_emit_ldarg (mb, 0);
1236 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1238 /* wrapper for cross app domain calls */
1239 native = mono_marshal_get_xappdomain_invoke (method);
1240 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1241 mono_mb_emit_byte (mb, CEE_RET);
1243 mono_mb_patch_branch (mb, pos_rem);
1245 /* wrapper for normal remote calls */
1246 native = mono_marshal_get_remoting_invoke (method);
1247 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1248 mono_mb_emit_byte (mb, CEE_RET);
1251 mono_mb_patch_branch (mb, pos);
1252 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1253 mono_mb_emit_byte (mb, CEE_RET);
1256 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1257 info->d.remoting.method = method;
1258 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1265 * mono_marshal_get_ldfld_remote_wrapper:
1266 * @klass: The return type
1268 * This method generates a wrapper for calling mono_load_remote_field_new.
1269 * The return type is ignored for now, as mono_load_remote_field_new () always
1270 * returns an object. In the future, to optimize some codepaths, we might
1271 * call a different function that takes a pointer to a valuetype, instead.
1274 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1276 MonoMethodSignature *sig, *csig;
1277 MonoMethodBuilder *mb;
1279 static MonoMethod* cached = NULL;
1281 mono_marshal_lock_internal ();
1283 mono_marshal_unlock_internal ();
1286 mono_marshal_unlock_internal ();
1288 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1290 mb->method->save_lmf = 1;
1292 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1293 sig->params [0] = &mono_defaults.object_class->byval_arg;
1294 sig->params [1] = &mono_defaults.int_class->byval_arg;
1295 sig->params [2] = &mono_defaults.int_class->byval_arg;
1296 sig->ret = &mono_defaults.object_class->byval_arg;
1299 mono_mb_emit_ldarg (mb, 0);
1300 mono_mb_emit_ldarg (mb, 1);
1301 mono_mb_emit_ldarg (mb, 2);
1303 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1304 csig->params [0] = &mono_defaults.object_class->byval_arg;
1305 csig->params [1] = &mono_defaults.int_class->byval_arg;
1306 csig->params [2] = &mono_defaults.int_class->byval_arg;
1307 csig->ret = &mono_defaults.object_class->byval_arg;
1310 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1311 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1313 mono_mb_emit_byte (mb, CEE_RET);
1316 mono_marshal_lock_internal ();
1318 mono_marshal_unlock_internal ();
1321 newm = mono_mb_create (mb, sig, 4, NULL);
1322 mono_marshal_lock_internal ();
1327 mono_marshal_unlock_internal ();
1329 mono_marshal_unlock_internal ();
1330 mono_free_method (newm);
1339 * mono_marshal_get_ldfld_wrapper:
1340 * @type: the type of the field
1342 * This method generates a function which can be use to load a field with type
1343 * @type from an object. The generated function has the following signature:
1344 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1347 mono_marshal_get_ldfld_wrapper (MonoType *type)
1349 MonoMethodSignature *sig;
1350 MonoMethodBuilder *mb;
1356 int t, pos0, pos1 = 0;
1358 type = mono_type_get_underlying_type (type);
1363 if (type->type == MONO_TYPE_SZARRAY) {
1364 klass = mono_defaults.array_class;
1365 } else if (type->type == MONO_TYPE_VALUETYPE) {
1366 klass = type->data.klass;
1367 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1368 klass = mono_defaults.object_class;
1369 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1370 klass = mono_defaults.int_class;
1371 } else if (t == MONO_TYPE_GENERICINST) {
1372 if (mono_type_generic_inst_is_valuetype (type))
1373 klass = mono_class_from_mono_type (type);
1375 klass = mono_defaults.object_class;
1377 klass = mono_class_from_mono_type (type);
1380 klass = mono_defaults.int_class;
1383 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1384 if ((res = mono_marshal_find_in_cache (cache, klass)))
1387 /* we add the %p pointer value of klass because class names are not unique */
1388 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1389 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1392 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1393 sig->params [0] = &mono_defaults.object_class->byval_arg;
1394 sig->params [1] = &mono_defaults.int_class->byval_arg;
1395 sig->params [2] = &mono_defaults.int_class->byval_arg;
1396 sig->params [3] = &mono_defaults.int_class->byval_arg;
1397 sig->ret = &klass->byval_arg;
1400 mono_mb_emit_ldarg (mb, 0);
1401 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1403 mono_mb_emit_ldarg (mb, 0);
1404 mono_mb_emit_ldarg (mb, 1);
1405 mono_mb_emit_ldarg (mb, 2);
1407 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1410 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1411 csig->params [0] = &mono_defaults.object_class->byval_arg;
1412 csig->params [1] = &mono_defaults.int_class->byval_arg;
1413 csig->params [2] = &mono_defaults.int_class->byval_arg;
1414 csig->ret = &klass->this_arg;
1417 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1418 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1421 if (klass->valuetype) {
1422 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1423 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1425 mono_mb_emit_byte (mb, CEE_RET);
1428 mono_mb_patch_branch (mb, pos0);
1430 mono_mb_emit_ldarg (mb, 0);
1431 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1432 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1433 mono_mb_emit_ldarg (mb, 3);
1434 mono_mb_emit_byte (mb, CEE_ADD);
1436 if (klass->valuetype)
1437 mono_mb_patch_branch (mb, pos1);
1442 case MONO_TYPE_BOOLEAN:
1443 case MONO_TYPE_CHAR:
1452 case MONO_TYPE_ARRAY:
1453 case MONO_TYPE_SZARRAY:
1454 case MONO_TYPE_OBJECT:
1455 case MONO_TYPE_CLASS:
1456 case MONO_TYPE_STRING:
1460 case MONO_TYPE_FNPTR:
1461 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1463 case MONO_TYPE_VALUETYPE:
1464 g_assert (!klass->enumtype);
1465 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1467 case MONO_TYPE_GENERICINST:
1468 if (mono_type_generic_inst_is_valuetype (type)) {
1469 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1471 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1475 case MONO_TYPE_MVAR:
1476 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1479 g_warning ("type %x not implemented", type->type);
1480 g_assert_not_reached ();
1483 mono_mb_emit_byte (mb, CEE_RET);
1484 #endif /* DISABLE_JIT */
1486 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1487 info->d.proxy.klass = klass;
1488 res = mono_mb_create_and_cache_full (cache, klass,
1489 mb, sig, sig->param_count + 16, info, NULL);
1496 * mono_marshal_get_ldflda_wrapper:
1497 * @type: the type of the field
1499 * This method generates a function which can be used to load a field address
1500 * from an object. The generated function has the following signature:
1501 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1504 mono_marshal_get_ldflda_wrapper (MonoType *type)
1506 MonoMethodSignature *sig;
1507 MonoMethodBuilder *mb;
1513 int t, pos0, pos1, pos2, pos3;
1515 type = mono_type_get_underlying_type (type);
1519 if (type->type == MONO_TYPE_SZARRAY) {
1520 klass = mono_defaults.array_class;
1521 } else if (type->type == MONO_TYPE_VALUETYPE) {
1522 klass = type->data.klass;
1523 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1524 t == MONO_TYPE_CLASS) {
1525 klass = mono_defaults.object_class;
1526 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1527 klass = mono_defaults.int_class;
1528 } else if (t == MONO_TYPE_GENERICINST) {
1529 if (mono_type_generic_inst_is_valuetype (type))
1530 klass = mono_class_from_mono_type (type);
1532 klass = mono_defaults.object_class;
1534 klass = mono_class_from_mono_type (type);
1537 klass = mono_defaults.int_class;
1540 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1541 if ((res = mono_marshal_find_in_cache (cache, klass)))
1544 /* we add the %p pointer value of klass because class names are not unique */
1545 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1546 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1549 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1550 sig->params [0] = &mono_defaults.object_class->byval_arg;
1551 sig->params [1] = &mono_defaults.int_class->byval_arg;
1552 sig->params [2] = &mono_defaults.int_class->byval_arg;
1553 sig->params [3] = &mono_defaults.int_class->byval_arg;
1554 sig->ret = &mono_defaults.int_class->byval_arg;
1557 /* if typeof (this) != transparent_proxy goto pos0 */
1558 mono_mb_emit_ldarg (mb, 0);
1559 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1561 /* if same_appdomain goto pos1 */
1562 mono_mb_emit_ldarg (mb, 0);
1563 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1565 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1567 /* same app domain */
1568 mono_mb_patch_branch (mb, pos1);
1570 /* if typeof (this) != contextbound goto pos2 */
1571 mono_mb_emit_ldarg (mb, 0);
1572 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1574 /* if this->rp->context == mono_context_get goto pos3 */
1575 mono_mb_emit_ldarg (mb, 0);
1576 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1577 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1578 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1579 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1580 mono_mb_emit_icall (mb, mono_context_get);
1581 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1583 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1585 mono_mb_patch_branch (mb, pos2);
1586 mono_mb_patch_branch (mb, pos3);
1588 /* return the address of the field from this->rp->unwrapped_server */
1589 mono_mb_emit_ldarg (mb, 0);
1590 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1591 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1592 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1593 mono_mb_emit_byte (mb, CEE_LDIND_REF);
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);
1598 mono_mb_emit_byte (mb, CEE_RET);
1600 /* not a proxy: return the address of the field directly */
1601 mono_mb_patch_branch (mb, pos0);
1603 mono_mb_emit_ldarg (mb, 0);
1604 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1605 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1606 mono_mb_emit_ldarg (mb, 3);
1607 mono_mb_emit_byte (mb, CEE_ADD);
1609 mono_mb_emit_byte (mb, CEE_RET);
1612 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1613 info->d.proxy.klass = klass;
1614 res = mono_mb_create_and_cache_full (cache, klass,
1615 mb, sig, sig->param_count + 16,
1623 * mono_marshal_get_stfld_remote_wrapper:
1624 * klass: The type of the field
1626 * This function generates a wrapper for calling mono_store_remote_field_new
1627 * with the appropriate signature.
1628 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1629 * klass argument anymore.
1632 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1634 MonoMethodSignature *sig, *csig;
1635 MonoMethodBuilder *mb;
1637 static MonoMethod *cached = NULL;
1639 mono_marshal_lock_internal ();
1641 mono_marshal_unlock_internal ();
1644 mono_marshal_unlock_internal ();
1646 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1648 mb->method->save_lmf = 1;
1650 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1651 sig->params [0] = &mono_defaults.object_class->byval_arg;
1652 sig->params [1] = &mono_defaults.int_class->byval_arg;
1653 sig->params [2] = &mono_defaults.int_class->byval_arg;
1654 sig->params [3] = &mono_defaults.object_class->byval_arg;
1655 sig->ret = &mono_defaults.void_class->byval_arg;
1658 mono_mb_emit_ldarg (mb, 0);
1659 mono_mb_emit_ldarg (mb, 1);
1660 mono_mb_emit_ldarg (mb, 2);
1661 mono_mb_emit_ldarg (mb, 3);
1663 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1664 csig->params [0] = &mono_defaults.object_class->byval_arg;
1665 csig->params [1] = &mono_defaults.int_class->byval_arg;
1666 csig->params [2] = &mono_defaults.int_class->byval_arg;
1667 csig->params [3] = &mono_defaults.object_class->byval_arg;
1668 csig->ret = &mono_defaults.void_class->byval_arg;
1671 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1672 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1674 mono_mb_emit_byte (mb, CEE_RET);
1677 mono_marshal_lock_internal ();
1679 mono_marshal_unlock_internal ();
1682 newm = mono_mb_create (mb, sig, 6, NULL);
1683 mono_marshal_lock_internal ();
1688 mono_marshal_unlock_internal ();
1690 mono_marshal_unlock_internal ();
1691 mono_free_method (newm);
1700 * mono_marshal_get_stfld_wrapper:
1701 * @type: the type of the field
1703 * This method generates a function which can be use to store a field with type
1704 * @type. The generated function has the following signature:
1705 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1708 mono_marshal_get_stfld_wrapper (MonoType *type)
1710 MonoMethodSignature *sig;
1711 MonoMethodBuilder *mb;
1719 type = mono_type_get_underlying_type (type);
1723 if (type->type == MONO_TYPE_SZARRAY) {
1724 klass = mono_defaults.array_class;
1725 } else if (type->type == MONO_TYPE_VALUETYPE) {
1726 klass = type->data.klass;
1727 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1728 klass = mono_defaults.object_class;
1729 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1730 klass = mono_defaults.int_class;
1731 } else if (t == MONO_TYPE_GENERICINST) {
1732 if (mono_type_generic_inst_is_valuetype (type))
1733 klass = mono_class_from_mono_type (type);
1735 klass = mono_defaults.object_class;
1737 klass = mono_class_from_mono_type (type);
1740 klass = mono_defaults.int_class;
1743 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1744 if ((res = mono_marshal_find_in_cache (cache, klass)))
1747 /* we add the %p pointer value of klass because class names are not unique */
1748 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1749 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1752 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1753 sig->params [0] = &mono_defaults.object_class->byval_arg;
1754 sig->params [1] = &mono_defaults.int_class->byval_arg;
1755 sig->params [2] = &mono_defaults.int_class->byval_arg;
1756 sig->params [3] = &mono_defaults.int_class->byval_arg;
1757 sig->params [4] = &klass->byval_arg;
1758 sig->ret = &mono_defaults.void_class->byval_arg;
1761 mono_mb_emit_ldarg (mb, 0);
1762 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1764 mono_mb_emit_ldarg (mb, 0);
1765 mono_mb_emit_ldarg (mb, 1);
1766 mono_mb_emit_ldarg (mb, 2);
1767 mono_mb_emit_ldarg (mb, 4);
1768 if (klass->valuetype)
1769 mono_mb_emit_op (mb, CEE_BOX, klass);
1771 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1773 mono_mb_emit_byte (mb, CEE_RET);
1775 mono_mb_patch_branch (mb, pos);
1777 mono_mb_emit_ldarg (mb, 0);
1778 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1779 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1780 mono_mb_emit_ldarg (mb, 3);
1781 mono_mb_emit_byte (mb, CEE_ADD);
1782 mono_mb_emit_ldarg (mb, 4);
1787 case MONO_TYPE_BOOLEAN:
1788 case MONO_TYPE_CHAR:
1797 case MONO_TYPE_ARRAY:
1798 case MONO_TYPE_SZARRAY:
1799 case MONO_TYPE_OBJECT:
1800 case MONO_TYPE_CLASS:
1801 case MONO_TYPE_STRING:
1805 case MONO_TYPE_FNPTR:
1806 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1808 case MONO_TYPE_VALUETYPE:
1809 g_assert (!klass->enumtype);
1810 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1812 case MONO_TYPE_GENERICINST:
1814 case MONO_TYPE_MVAR:
1815 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1818 g_warning ("type %x not implemented", type->type);
1819 g_assert_not_reached ();
1822 mono_mb_emit_byte (mb, CEE_RET);
1825 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1826 info->d.proxy.klass = klass;
1827 res = mono_mb_create_and_cache_full (cache, klass,
1828 mb, sig, sig->param_count + 16,
1836 mono_marshal_get_proxy_cancast (MonoClass *klass)
1838 static MonoMethodSignature *isint_sig = NULL;
1842 int pos_failed, pos_end;
1843 char *name, *klass_name;
1844 MonoMethod *can_cast_to;
1845 MonoMethodDesc *desc;
1846 MonoMethodBuilder *mb;
1848 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1849 if ((res = mono_marshal_find_in_cache (cache, klass)))
1853 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1854 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1855 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1856 isint_sig->pinvoke = 0;
1859 klass_name = mono_type_full_name (&klass->byval_arg);
1860 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1861 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1862 g_free (klass_name);
1865 mb->method->save_lmf = 1;
1868 /* get the real proxy from the transparent proxy*/
1869 mono_mb_emit_ldarg (mb, 0);
1870 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1871 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1873 /* get the reflection type from the type handle */
1874 mono_mb_emit_ptr (mb, &klass->byval_arg);
1875 mono_mb_emit_icall (mb, type_from_handle);
1877 mono_mb_emit_ldarg (mb, 0);
1879 /* make the call to CanCastTo (type, ob) */
1880 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1881 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1882 g_assert (can_cast_to);
1883 mono_method_desc_free (desc);
1884 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1886 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1888 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1889 mono_mb_emit_ptr (mb, &klass->byval_arg);
1890 mono_mb_emit_icall (mb, type_from_handle);
1891 mono_mb_emit_ldarg (mb, 0);
1893 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1894 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1896 mono_mb_emit_ldarg (mb, 0);
1897 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1901 mono_mb_patch_branch (mb, pos_failed);
1902 mono_mb_emit_byte (mb, CEE_LDNULL);
1906 mono_mb_patch_branch (mb, pos_end);
1907 mono_mb_emit_byte (mb, CEE_RET);
1910 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1911 info->d.proxy.klass = klass;
1912 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1919 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1922 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1923 klass = mono_class_from_mono_type (rtype->type);
1924 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1927 #else /* DISABLE_REMOTING */
1930 mono_remoting_init (void)
1934 #endif /* DISABLE_REMOTING */
1936 /* mono_get_xdomain_marshal_type()
1937 * Returns the kind of marshalling that a type needs for cross domain calls.
1939 static MonoXDomainMarshalType
1940 mono_get_xdomain_marshal_type (MonoType *t)
1943 case MONO_TYPE_VOID:
1944 g_assert_not_reached ();
1948 case MONO_TYPE_BOOLEAN:
1951 case MONO_TYPE_CHAR:
1958 return MONO_MARSHAL_NONE;
1959 case MONO_TYPE_STRING:
1960 return MONO_MARSHAL_COPY;
1961 case MONO_TYPE_ARRAY:
1962 case MONO_TYPE_SZARRAY: {
1963 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1964 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1965 return MONO_MARSHAL_COPY;
1971 return MONO_MARSHAL_SERIALIZE;
1974 /* mono_marshal_xdomain_copy_value
1975 * Makes a copy of "val" suitable for the current domain.
1978 mono_marshal_xdomain_copy_value (MonoObject *val)
1981 if (val == NULL) return NULL;
1983 domain = mono_domain_get ();
1985 switch (mono_object_class (val)->byval_arg.type) {
1986 case MONO_TYPE_VOID:
1987 g_assert_not_reached ();
1991 case MONO_TYPE_BOOLEAN:
1994 case MONO_TYPE_CHAR:
2000 case MONO_TYPE_R8: {
2001 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2003 case MONO_TYPE_STRING: {
2004 MonoString *str = (MonoString *) val;
2005 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2007 case MONO_TYPE_ARRAY:
2008 case MONO_TYPE_SZARRAY: {
2010 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2011 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2012 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2013 if (mt == MONO_MARSHAL_COPY) {
2014 int i, len = mono_array_length (acopy);
2015 for (i = 0; i < len; i++) {
2016 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2017 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2020 return (MonoObject *) acopy;