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)
8 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
13 #include "mono/metadata/remoting.h"
14 #include "mono/metadata/marshal.h"
15 #include "mono/metadata/abi-details.h"
16 #include "mono/metadata/cominterop.h"
17 #include "mono/metadata/tabledefs.h"
18 #include "mono/metadata/exception.h"
19 #include "mono/metadata/debug-helpers.h"
20 #include "mono/metadata/reflection-internals.h"
23 MONO_MARSHAL_NONE, /* No marshalling needed */
24 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
25 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
26 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
27 } MonoXDomainMarshalType;
29 #ifndef DISABLE_REMOTING
31 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
35 #include "mono/cil/opcode.def"
40 struct _MonoRemotingMethods {
42 MonoMethod *invoke_with_check;
43 MonoMethod *xdomain_invoke;
44 MonoMethod *xdomain_dispatch;
47 typedef struct _MonoRemotingMethods MonoRemotingMethods;
50 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
53 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
56 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
59 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
61 static MonoXDomainMarshalType
62 mono_get_xdomain_marshal_type (MonoType *t);
65 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
67 static MonoReflectionType *
68 type_from_handle (MonoType *handle);
70 /* Class lazy loading functions */
71 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
72 static GENERATE_GET_CLASS_WITH_CACHE (call_context, System.Runtime.Remoting.Messaging, CallContext)
73 static GENERATE_GET_CLASS_WITH_CACHE (context, System.Runtime.Remoting.Contexts, Context)
75 static mono_mutex_t remoting_mutex;
76 static gboolean remoting_mutex_inited;
78 static MonoClass *byte_array_class;
80 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
81 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
85 mono_compile_method_icall (MonoMethod *method);
88 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
90 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
92 mono_register_jit_icall (func, name, sig, save);
98 g_assert (remoting_mutex_inited);
99 mono_os_mutex_lock (&remoting_mutex);
103 remoting_unlock (void)
105 g_assert (remoting_mutex_inited);
106 mono_os_mutex_unlock (&remoting_mutex);
110 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
113 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
119 g_hash_table_new (hash_func, equal_func);
120 mono_memory_barrier ();
129 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
135 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
136 mono_memory_barrier ();
145 mono_remoting_init (void)
147 mono_os_mutex_init (&remoting_mutex);
148 remoting_mutex_inited = TRUE;
152 mono_remoting_marshal_init (void)
156 static gboolean module_initialized = FALSE;
157 static gboolean icalls_registered = FALSE;
159 if (module_initialized)
162 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
165 klass = mono_class_get_remoting_services_class ();
166 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
167 g_assert (method_rs_serialize);
168 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
169 g_assert (method_rs_deserialize);
170 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
171 g_assert (method_rs_serialize_exc);
173 klass = mono_defaults.real_proxy_class;
174 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
175 g_assert (method_rs_appdomain_target);
177 klass = mono_defaults.exception_class;
178 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
179 g_assert (method_exc_fixexc);
181 klass = mono_class_get_call_context_class ();
182 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
183 g_assert (method_set_call_context);
185 klass = mono_class_get_context_class ();
186 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
187 g_assert (method_needs_context_sink);
192 if (!icalls_registered) {
193 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
194 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
195 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
196 register_icall (ves_icall_mono_marshal_xdomain_copy_value, "ves_icall_mono_marshal_xdomain_copy_value", "object object", FALSE);
197 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
198 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
199 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
200 register_icall (mono_compile_method_icall, "mono_compile_method_icall", "ptr ptr", FALSE);
201 /* mono_store_remote_field_new_icall registered by mini-runtime.c */
205 icalls_registered = TRUE;
207 mono_loader_unlock ();
209 module_initialized = TRUE;
212 /* This is an icall, it will return NULL and set pending exception on failure */
213 static MonoReflectionType *
214 type_from_handle (MonoType *handle)
217 MonoReflectionType *ret;
218 MonoDomain *domain = mono_domain_get ();
219 MonoClass *klass = mono_class_from_mono_type (handle);
221 mono_class_init (klass);
223 ret = mono_type_get_object_checked (domain, handle, &error);
224 mono_error_set_pending_exception (&error);
231 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
234 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
235 mono_mb_emit_byte (mb, CEE_LDIND_I);
236 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
237 mono_mb_emit_byte (mb, CEE_ADD);
238 mono_mb_emit_byte (mb, CEE_LDIND_I);
239 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
240 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
241 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
242 pos = mono_mb_emit_branch (mb, branch_code);
247 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
250 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
251 mono_mb_emit_byte (mb, CEE_LDIND_REF);
252 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
253 mono_mb_emit_byte (mb, CEE_LDIND_I4);
254 mono_mb_emit_icon (mb, -1);
255 pos = mono_mb_emit_branch (mb, branch_code);
260 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
262 static int offset = -1;
266 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
268 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
269 mono_mb_emit_byte (mb, CEE_LDIND_REF);
270 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
271 mono_mb_emit_byte (mb, CEE_LDIND_REF);
272 mono_mb_emit_ldflda (mb, offset);
273 mono_mb_emit_byte (mb, CEE_LDIND_U1);
274 mono_mb_emit_icon (mb, mask);
275 mono_mb_emit_byte (mb, CEE_AND);
276 mono_mb_emit_icon (mb, 0);
277 return mono_mb_emit_branch (mb, branch_code);
279 #endif /* !DISABLE_JIT */
281 static inline MonoMethod*
282 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
284 MonoMethod *res = NULL;
285 MonoRemotingMethods *wrps = NULL;
287 mono_marshal_lock_internal ();
288 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
289 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
292 switch (wrapper_type) {
293 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
294 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
295 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
296 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
300 /* it is important to do the unlock after the load from wrps, since in
301 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
302 * to take the loader lock and some other thread may set the fields.
304 mono_marshal_unlock_internal ();
308 /* Create the method from the builder and place it in the cache */
309 static inline MonoMethod*
310 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
311 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
313 MonoMethod **res = NULL;
314 MonoRemotingMethods *wrps;
317 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
319 mono_marshal_lock_internal ();
320 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
322 wrps = g_new0 (MonoRemotingMethods, 1);
323 g_hash_table_insert (cache, key, wrps);
326 switch (mb->method->wrapper_type) {
327 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
328 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
329 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
330 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
331 default: g_assert_not_reached (); break;
333 mono_marshal_unlock_internal ();
337 newm = mono_mb_create_method (mb, sig, max_stack);
339 mono_marshal_lock_internal ();
342 mono_marshal_set_wrapper_info (*res, info);
343 mono_marshal_unlock_internal ();
345 mono_marshal_unlock_internal ();
346 mono_free_method (newm);
354 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
357 MonoMethodMessage *msg;
358 MonoTransparentProxy *this_obj;
359 MonoObject *res, *exc;
362 this_obj = *((MonoTransparentProxy **)params [0]);
365 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
367 /* skip the this pointer */
370 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
373 MonoMethodSignature *sig = mono_method_signature (method);
374 int count = sig->param_count;
375 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
377 for (i=0; i<count; i++) {
378 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
379 if (klass->valuetype) {
380 if (sig->params [i]->byref) {
381 mparams[i] = *((gpointer *)params [i]);
383 /* runtime_invoke expects a boxed instance */
384 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
385 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass, &error);
389 mparams[i] = params [i];
392 mparams[i] = *((gpointer**)params [i]);
396 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
403 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
407 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
412 mono_error_init (&error);
413 mono_error_set_exception_instance (&error, (MonoException *)exc);
417 mono_method_return_message_restore (method, params, out_args, &error);
418 if (!is_ok (&error)) goto fail;
422 /* This icall will be called from managed code, and more over
423 * from a protected wrapper so interruptions such as pending
424 * exceptions will not be honored. (See
425 * is_running_protected_wrapper () in threads.c and
426 * mono_marshal_get_remoting_invoke () in remoting.c)
428 mono_error_raise_exception (&error); /* OK to throw, see note */
434 mono_marshal_get_remoting_invoke (MonoMethod *method)
436 MonoMethodSignature *sig;
437 MonoMethodBuilder *mb;
444 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
447 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
449 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
450 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
451 g_assert (vtable); /*FIXME do proper error handling*/
453 if (!mono_vtable_is_remote (vtable)) {
454 return mono_cominterop_get_invoke (method);
459 sig = mono_signature_no_pinvoke (method);
461 /* we cant remote methods without this pointer */
465 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
468 mono_remoting_marshal_init ();
470 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
473 mb->method->save_lmf = 1;
475 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
477 mono_mb_emit_ptr (mb, method);
478 mono_mb_emit_ldloc (mb, params_var);
479 mono_mb_emit_icall (mb, mono_remoting_wrapper);
480 // FIXME: this interrupt checkpoint code is a no-op since 'mb'
481 // is a MONO_WRAPPER_REMOTING_INVOKE, and
482 // mono_thread_interruption_checkpoint_request (FALSE)
483 // considers such wrappers "protected" and always returns
484 // NULL as if there's no pending interruption.
485 mono_marshal_emit_thread_interrupt_checkpoint (mb);
487 if (sig->ret->type == MONO_TYPE_VOID) {
488 mono_mb_emit_byte (mb, CEE_POP);
489 mono_mb_emit_byte (mb, CEE_RET);
491 mono_mb_emit_restore_result (mb, sig->ret);
495 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
496 info->d.remoting.method = method;
497 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
503 /* mono_marshal_xdomain_copy_out_value()
504 * Copies the contents of the src instance into the dst instance. src and dst
505 * must have the same type, and if they are arrays, the same size.
507 * This is an icall, it may use mono_error_set_pending_exception
510 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
513 if (src == NULL || dst == NULL) return;
515 g_assert (mono_object_class (src) == mono_object_class (dst));
517 switch (mono_object_class (src)->byval_arg.type) {
518 case MONO_TYPE_ARRAY:
519 case MONO_TYPE_SZARRAY: {
520 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
521 if (mt == MONO_MARSHAL_SERIALIZE) return;
522 if (mt == MONO_MARSHAL_COPY) {
523 int i, len = mono_array_length ((MonoArray *)dst);
524 for (i = 0; i < len; i++) {
525 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
526 MonoObject *item_copy = mono_marshal_xdomain_copy_value (item, &error);
527 if (mono_error_set_pending_exception (&error))
529 mono_array_setref ((MonoArray *)dst, i, item_copy);
532 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
543 #if !defined (DISABLE_JIT)
545 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
547 mono_mb_emit_icall (mb, ves_icall_mono_marshal_xdomain_copy_value);
548 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
552 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
554 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
558 /* mono_marshal_supports_fast_xdomain()
559 * Returns TRUE if the method can use the fast xdomain wrapper.
562 mono_marshal_supports_fast_xdomain (MonoMethod *method)
564 return !mono_class_is_contextbound (method->klass) &&
565 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
569 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
571 MonoDomain *current_domain = mono_domain_get ();
572 MonoDomain *domain = mono_domain_get_by_id (id);
574 if (!domain || !mono_domain_set (domain, FALSE)) {
575 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
580 mono_thread_push_appdomain_ref (domain);
582 mono_thread_pop_appdomain_ref ();
584 return current_domain->domain_id;
587 #if !defined (DISABLE_JIT)
589 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
591 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
595 mono_compile_method_icall (MonoMethod *method)
598 gpointer result = mono_compile_method_checked (method, &error);
599 mono_error_set_pending_exception (&error);
603 /* mono_marshal_emit_load_domain_method ()
604 * Loads into the stack a pointer to the code of the provided method for
605 * the current domain.
608 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
610 /* We need a pointer to the method for the running domain (not the domain
611 * that compiles the method).
613 mono_mb_emit_ptr (mb, method);
614 mono_mb_emit_icall (mb, mono_compile_method_icall);
618 /* mono_marshal_check_domain_image ()
619 * Returns TRUE if the image is loaded in the specified
620 * application domain.
623 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
628 MonoDomain *domain = mono_domain_get_by_id (domain_id);
632 mono_domain_assemblies_lock (domain);
633 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
634 ass = (MonoAssembly *)tmp->data;
635 if (ass->image == image)
638 mono_domain_assemblies_unlock (domain);
643 /* mono_marshal_get_xappdomain_dispatch ()
644 * Generates a method that dispatches a method call from another domain into
645 * the current domain.
648 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
650 MonoMethodSignature *sig, *csig;
651 MonoMethodBuilder *mb;
653 int i, j, param_index, copy_locals_base;
654 MonoClass *ret_class = NULL;
655 int loc_array=0, loc_return=0, loc_serialized_exc=0;
656 MonoExceptionClause *main_clause;
658 gboolean copy_return;
661 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
664 sig = mono_method_signature (method);
665 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
668 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
669 csig->params [j++] = &mono_defaults.object_class->byval_arg;
670 csig->params [j++] = &byte_array_class->this_arg;
671 csig->params [j++] = &byte_array_class->this_arg;
672 for (i = 0; i < sig->param_count; i++) {
673 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
674 csig->params [j++] = sig->params [i];
677 csig->ret = sig->ret;
679 csig->ret = &mono_defaults.void_class->byval_arg;
681 csig->hasthis = FALSE;
683 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
684 mb->method->save_lmf = 1;
689 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
690 if (complex_count > 0)
691 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
692 if (sig->ret->type != MONO_TYPE_VOID) {
693 loc_return = mono_mb_add_local (mb, sig->ret);
694 ret_class = mono_class_from_mono_type (sig->ret);
699 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
700 main_clause->try_offset = mono_mb_get_label (mb);
702 /* Clean the call context */
704 mono_mb_emit_byte (mb, CEE_LDNULL);
705 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
706 mono_mb_emit_byte (mb, CEE_POP);
708 /* Deserialize call data */
710 mono_mb_emit_ldarg (mb, 1);
711 mono_mb_emit_byte (mb, CEE_LDIND_REF);
712 mono_mb_emit_byte (mb, CEE_DUP);
713 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
715 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
716 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
718 if (complex_count > 0)
719 mono_mb_emit_stloc (mb, loc_array);
721 mono_mb_emit_byte (mb, CEE_POP);
723 mono_mb_patch_short_branch (mb, pos);
725 /* Get the target object */
727 mono_mb_emit_ldarg (mb, 0);
728 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
730 /* Load the arguments */
732 copy_locals_base = mb->locals;
733 param_index = 3; // Index of the first non-serialized parameter of this wrapper
735 for (i = 0; i < sig->param_count; i++) {
736 MonoType *pt = sig->params [i];
737 MonoClass *pclass = mono_class_from_mono_type (pt);
738 switch (marshal_types [i]) {
739 case MONO_MARSHAL_SERIALIZE: {
740 /* take the value from the serialized array */
741 mono_mb_emit_ldloc (mb, loc_array);
742 mono_mb_emit_icon (mb, j++);
744 if (pclass->valuetype) {
745 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
746 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
748 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
751 if (pclass->valuetype) {
752 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
753 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
754 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
756 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
757 if (pclass != mono_defaults.object_class) {
758 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
764 case MONO_MARSHAL_COPY_OUT: {
765 /* Keep a local copy of the value since we need to copy it back after the call */
766 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
767 mono_mb_emit_ldarg (mb, param_index++);
768 mono_marshal_emit_xdomain_copy_value (mb, pclass);
769 mono_mb_emit_byte (mb, CEE_DUP);
770 mono_mb_emit_stloc (mb, copy_local);
773 case MONO_MARSHAL_COPY: {
774 mono_mb_emit_ldarg (mb, param_index);
776 mono_mb_emit_byte (mb, CEE_DUP);
777 mono_mb_emit_byte (mb, CEE_DUP);
778 mono_mb_emit_byte (mb, CEE_LDIND_REF);
779 mono_marshal_emit_xdomain_copy_value (mb, pclass);
780 mono_mb_emit_byte (mb, CEE_STIND_REF);
782 mono_marshal_emit_xdomain_copy_value (mb, pclass);
787 case MONO_MARSHAL_NONE:
788 mono_mb_emit_ldarg (mb, param_index++);
793 /* Make the call to the real object */
795 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
797 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
799 if (sig->ret->type != MONO_TYPE_VOID)
800 mono_mb_emit_stloc (mb, loc_return);
802 /* copy back MONO_MARSHAL_COPY_OUT parameters */
806 for (i = 0; i < sig->param_count; i++) {
807 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
808 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
809 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
810 mono_mb_emit_ldarg (mb, param_index);
811 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
816 /* Serialize the return values */
818 if (complex_out_count > 0) {
819 /* Reset parameters in the array that don't need to be serialized back */
821 for (i = 0; i < sig->param_count; i++) {
822 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
823 if (!sig->params [i]->byref) {
824 mono_mb_emit_ldloc (mb, loc_array);
825 mono_mb_emit_icon (mb, j);
826 mono_mb_emit_byte (mb, CEE_LDNULL);
827 mono_mb_emit_byte (mb, CEE_STELEM_REF);
832 /* Add the return value to the array */
834 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
835 mono_mb_emit_ldloc (mb, loc_array);
836 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
837 mono_mb_emit_ldloc (mb, loc_return);
839 g_assert (ret_class); /*FIXME properly fail here*/
840 if (ret_class->valuetype) {
841 mono_mb_emit_op (mb, CEE_BOX, ret_class);
843 mono_mb_emit_byte (mb, CEE_STELEM_REF);
848 mono_mb_emit_ldarg (mb, 1);
849 mono_mb_emit_ldloc (mb, loc_array);
850 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
851 mono_mb_emit_byte (mb, CEE_STIND_REF);
852 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
853 mono_mb_emit_ldarg (mb, 1);
854 mono_mb_emit_ldloc (mb, loc_return);
855 if (ret_class->valuetype) {
856 mono_mb_emit_op (mb, CEE_BOX, ret_class);
858 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
859 mono_mb_emit_byte (mb, CEE_STIND_REF);
861 mono_mb_emit_ldarg (mb, 1);
862 mono_mb_emit_byte (mb, CEE_LDNULL);
863 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
864 mono_mb_emit_byte (mb, CEE_STIND_REF);
867 mono_mb_emit_ldarg (mb, 2);
868 mono_mb_emit_byte (mb, CEE_LDNULL);
869 mono_mb_emit_byte (mb, CEE_STIND_REF);
870 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
872 /* Main exception catch */
873 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
874 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
875 main_clause->data.catch_class = mono_defaults.object_class;
878 main_clause->handler_offset = mono_mb_get_label (mb);
879 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
880 mono_mb_emit_stloc (mb, loc_serialized_exc);
881 mono_mb_emit_ldarg (mb, 2);
882 mono_mb_emit_ldloc (mb, loc_serialized_exc);
883 mono_mb_emit_byte (mb, CEE_STIND_REF);
884 mono_mb_emit_branch (mb, CEE_LEAVE);
885 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
888 mono_mb_patch_branch (mb, pos_leave);
891 mono_mb_emit_ldloc (mb, loc_return);
893 mono_mb_emit_byte (mb, CEE_RET);
895 mono_mb_set_clauses (mb, 1, main_clause);
898 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
899 info->d.remoting.method = method;
900 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
906 /* mono_marshal_get_xappdomain_invoke ()
907 * Generates a fast remoting wrapper for cross app domain calls.
910 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
912 MonoMethodSignature *sig;
913 MonoMethodBuilder *mb;
915 int i, j, complex_count, complex_out_count, copy_locals_base;
917 MonoClass *ret_class = NULL;
918 MonoMethod *xdomain_method;
919 int ret_marshal_type = MONO_MARSHAL_NONE;
920 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
921 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
922 int pos, pos_dispatch, pos_noex;
923 gboolean copy_return = FALSE;
928 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
931 /* we cant remote methods without this pointer */
932 if (!mono_method_signature (method)->hasthis)
935 mono_remoting_marshal_init ();
937 if (!mono_marshal_supports_fast_xdomain (method))
938 return mono_marshal_get_remoting_invoke (method);
940 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
943 sig = mono_signature_no_pinvoke (method);
945 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
946 mb->method->save_lmf = 1;
948 /* Count the number of parameters that need to be serialized */
950 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
951 complex_count = complex_out_count = 0;
952 for (i = 0; i < sig->param_count; i++) {
953 MonoType *ptype = sig->params[i];
954 int mt = mono_get_xdomain_marshal_type (ptype);
956 /* If the [Out] attribute is applied to a parameter that can be internally copied,
957 * the copy will be made by reusing the original object instance
959 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
960 mt = MONO_MARSHAL_COPY_OUT;
961 else if (mt == MONO_MARSHAL_SERIALIZE) {
963 if (ptype->byref) complex_out_count++;
965 marshal_types [i] = mt;
968 if (sig->ret->type != MONO_TYPE_VOID) {
969 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
970 ret_class = mono_class_from_mono_type (sig->ret);
971 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
977 if (complex_count > 0)
978 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
979 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
980 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
982 loc_return = mono_mb_add_local (mb, sig->ret);
983 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
984 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
985 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
986 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
988 /* Save thread domain data */
990 mono_mb_emit_icall (mb, mono_context_get);
991 mono_mb_emit_byte (mb, CEE_DUP);
992 mono_mb_emit_stloc (mb, loc_context);
994 /* If the thread is not running in the default context, it needs to go
995 * through the whole remoting sink, since the context is going to change
997 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
998 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1000 /* Another case in which the fast path can't be used: when the target domain
1001 * has a different image for the same assembly.
1004 /* Get the target domain id */
1006 mono_mb_emit_ldarg (mb, 0);
1007 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1008 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1009 mono_mb_emit_byte (mb, CEE_DUP);
1010 mono_mb_emit_stloc (mb, loc_real_proxy);
1012 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1013 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1014 mono_mb_emit_stloc (mb, loc_domainid);
1016 /* Check if the target domain has the same image for the required assembly */
1018 mono_mb_emit_ldloc (mb, loc_domainid);
1019 mono_mb_emit_ptr (mb, method->klass->image);
1020 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
1021 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1023 /* Use the whole remoting sink to dispatch this message */
1025 mono_mb_patch_short_branch (mb, pos);
1027 mono_mb_emit_ldarg (mb, 0);
1028 for (i = 0; i < sig->param_count; i++)
1029 mono_mb_emit_ldarg (mb, i + 1);
1031 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
1032 mono_mb_emit_byte (mb, CEE_RET);
1033 mono_mb_patch_short_branch (mb, pos_dispatch);
1035 /* Create the array that will hold the parameters to be serialized */
1037 if (complex_count > 0) {
1038 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 */
1039 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
1042 for (i = 0; i < sig->param_count; i++) {
1044 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1045 pclass = mono_class_from_mono_type (sig->params[i]);
1046 mono_mb_emit_byte (mb, CEE_DUP);
1047 mono_mb_emit_icon (mb, j);
1048 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1049 if (sig->params[i]->byref) {
1050 if (pclass->valuetype)
1051 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1053 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1055 if (pclass->valuetype)
1056 mono_mb_emit_op (mb, CEE_BOX, pclass);
1057 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1060 mono_mb_emit_stloc (mb, loc_array);
1062 /* Serialize parameters */
1064 mono_mb_emit_ldloc (mb, loc_array);
1065 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1066 mono_mb_emit_stloc (mb, loc_serialized_data);
1068 mono_mb_emit_byte (mb, CEE_LDNULL);
1069 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1070 mono_mb_emit_stloc (mb, loc_serialized_data);
1075 mono_mb_emit_ldloc (mb, loc_domainid);
1076 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1077 mono_marshal_emit_switch_domain (mb);
1078 mono_mb_emit_stloc (mb, loc_old_domainid);
1080 /* Load the arguments */
1082 mono_mb_emit_ldloc (mb, loc_real_proxy);
1083 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1084 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1086 copy_locals_base = mb->locals;
1087 for (i = 0; i < sig->param_count; i++) {
1088 switch (marshal_types [i]) {
1089 case MONO_MARSHAL_SERIALIZE:
1091 case MONO_MARSHAL_COPY: {
1092 mono_mb_emit_ldarg (mb, i+1);
1093 if (sig->params [i]->byref) {
1094 /* make a local copy of the byref parameter. The real parameter
1095 * will be updated after the xdomain call
1097 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1098 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1099 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1100 mono_mb_emit_stloc (mb, copy_local);
1101 mono_mb_emit_ldloc_addr (mb, copy_local);
1105 case MONO_MARSHAL_COPY_OUT:
1106 case MONO_MARSHAL_NONE:
1107 mono_mb_emit_ldarg (mb, i+1);
1112 /* Make the call to the invoke wrapper in the target domain */
1114 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1115 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1116 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1119 mono_mb_emit_stloc (mb, loc_return);
1123 mono_mb_emit_ldloc (mb, loc_old_domainid);
1124 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1125 mono_marshal_emit_switch_domain (mb);
1126 mono_mb_emit_byte (mb, CEE_POP);
1128 /* Restore thread domain data */
1130 mono_mb_emit_ldloc (mb, loc_context);
1131 mono_mb_emit_icall (mb, mono_context_set);
1133 /* if (loc_serialized_exc != null) ... */
1135 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1136 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1138 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1139 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1140 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1141 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1142 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1143 mono_mb_emit_byte (mb, CEE_THROW);
1144 mono_mb_patch_short_branch (mb, pos_noex);
1146 /* copy back non-serialized output parameters */
1149 for (i = 0; i < sig->param_count; i++) {
1150 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1151 mono_mb_emit_ldarg (mb, i + 1);
1152 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1153 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1154 mono_mb_emit_byte (mb, CEE_STIND_REF);
1157 /* Deserialize out parameters */
1159 if (complex_out_count > 0) {
1160 mono_mb_emit_ldloc (mb, loc_serialized_data);
1161 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1162 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1163 mono_mb_emit_stloc (mb, loc_array);
1165 /* Copy back output parameters and return type */
1168 for (i = 0; i < sig->param_count; i++) {
1169 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1170 if (sig->params[i]->byref) {
1171 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1172 mono_mb_emit_ldarg (mb, i + 1);
1173 mono_mb_emit_ldloc (mb, loc_array);
1174 mono_mb_emit_icon (mb, j);
1175 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1176 if (pclass->valuetype) {
1177 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1178 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1179 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1181 if (pclass != mono_defaults.object_class)
1182 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1183 mono_mb_emit_byte (mb, CEE_STIND_REF);
1189 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1190 mono_mb_emit_ldloc (mb, loc_array);
1191 mono_mb_emit_icon (mb, complex_count);
1192 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1193 if (ret_class->valuetype) {
1194 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1195 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1198 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1199 mono_mb_emit_ldloc (mb, loc_serialized_data);
1200 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1201 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1202 if (ret_class->valuetype) {
1203 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1204 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1205 } else if (ret_class != mono_defaults.object_class) {
1206 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1209 mono_mb_emit_ldloc (mb, loc_serialized_data);
1210 mono_mb_emit_byte (mb, CEE_DUP);
1211 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1212 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1214 mono_mb_patch_short_branch (mb, pos);
1215 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1216 mono_mb_emit_byte (mb, CEE_POP);
1220 mono_mb_emit_ldloc (mb, loc_return);
1221 if (ret_marshal_type == MONO_MARSHAL_COPY)
1222 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1225 mono_mb_emit_byte (mb, CEE_RET);
1226 #endif /* DISABLE_JIT */
1228 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1229 info->d.remoting.method = method;
1230 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1237 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1239 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1240 return mono_marshal_get_xappdomain_invoke (method);
1241 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1243 return mono_cominterop_get_invoke (method);
1245 g_assert_not_reached ();
1248 return mono_marshal_get_remoting_invoke (method);
1254 G_GNUC_UNUSED static gpointer
1255 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1258 MonoMethod *marshal_method = NULL;
1259 if (rp->target_domain_id != -1)
1260 marshal_method = mono_marshal_get_xappdomain_invoke (method);
1262 marshal_method = mono_marshal_get_remoting_invoke (method);
1263 gpointer compiled_ptr = mono_compile_method_checked (marshal_method, &error);
1264 mono_error_assert_ok (&error);
1265 return compiled_ptr;
1269 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1271 MonoMethodSignature *sig;
1272 MonoMethodBuilder *mb;
1273 MonoMethod *res, *native;
1275 int i, pos, pos_rem;
1279 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1282 /* we cant remote methods without this pointer */
1283 g_assert (mono_method_signature (method)->hasthis);
1285 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1288 sig = mono_signature_no_pinvoke (method);
1290 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1293 for (i = 0; i <= sig->param_count; i++)
1294 mono_mb_emit_ldarg (mb, i);
1296 mono_mb_emit_ldarg (mb, 0);
1297 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1299 if (mono_marshal_supports_fast_xdomain (method)) {
1300 mono_mb_emit_ldarg (mb, 0);
1301 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1303 /* wrapper for cross app domain calls */
1304 native = mono_marshal_get_xappdomain_invoke (method);
1305 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1306 mono_mb_emit_byte (mb, CEE_RET);
1308 mono_mb_patch_branch (mb, pos_rem);
1310 /* wrapper for normal remote calls */
1311 native = mono_marshal_get_remoting_invoke (method);
1312 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1313 mono_mb_emit_byte (mb, CEE_RET);
1316 mono_mb_patch_branch (mb, pos);
1317 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1318 mono_mb_emit_byte (mb, CEE_RET);
1321 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1322 info->d.remoting.method = method;
1323 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1330 * mono_marshal_get_ldfld_wrapper:
1331 * @type: the type of the field
1333 * This method generates a function which can be use to load a field with type
1334 * @type from an object. The generated function has the following signature:
1335 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1338 mono_marshal_get_ldfld_wrapper (MonoType *type)
1340 MonoMethodSignature *sig;
1341 MonoMethodBuilder *mb;
1347 int t, pos0, pos1 = 0;
1348 static MonoMethod* tp_load = NULL;
1350 type = mono_type_get_underlying_type (type);
1355 if (type->type == MONO_TYPE_SZARRAY) {
1356 klass = mono_defaults.array_class;
1357 } else if (type->type == MONO_TYPE_VALUETYPE) {
1358 klass = type->data.klass;
1359 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1360 klass = mono_defaults.object_class;
1361 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1362 klass = mono_defaults.int_class;
1363 } else if (t == MONO_TYPE_GENERICINST) {
1364 if (mono_type_generic_inst_is_valuetype (type))
1365 klass = mono_class_from_mono_type (type);
1367 klass = mono_defaults.object_class;
1369 klass = mono_class_from_mono_type (type);
1372 klass = mono_defaults.int_class;
1375 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1376 if ((res = mono_marshal_find_in_cache (cache, klass)))
1379 #ifndef DISABLE_REMOTING
1381 tp_load = mono_class_get_method_from_name (mono_defaults.transparent_proxy_class, "LoadRemoteFieldNew", -1);
1382 g_assert (tp_load != NULL);
1386 /* we add the %p pointer value of klass because class names are not unique */
1387 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1388 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1391 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1392 sig->params [0] = &mono_defaults.object_class->byval_arg;
1393 sig->params [1] = &mono_defaults.int_class->byval_arg;
1394 sig->params [2] = &mono_defaults.int_class->byval_arg;
1395 sig->params [3] = &mono_defaults.int_class->byval_arg;
1396 sig->ret = &klass->byval_arg;
1399 mono_mb_emit_ldarg (mb, 0);
1400 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1402 #ifndef DISABLE_REMOTING
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, tp_load, 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);
1429 mono_mb_patch_branch (mb, pos0);
1431 mono_mb_emit_ldarg (mb, 0);
1432 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1433 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1434 mono_mb_emit_ldarg (mb, 3);
1435 mono_mb_emit_byte (mb, CEE_ADD);
1437 if (klass->valuetype)
1438 mono_mb_patch_branch (mb, pos1);
1443 case MONO_TYPE_BOOLEAN:
1444 case MONO_TYPE_CHAR:
1453 case MONO_TYPE_ARRAY:
1454 case MONO_TYPE_SZARRAY:
1455 case MONO_TYPE_OBJECT:
1456 case MONO_TYPE_CLASS:
1457 case MONO_TYPE_STRING:
1461 case MONO_TYPE_FNPTR:
1462 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1464 case MONO_TYPE_VALUETYPE:
1465 g_assert (!klass->enumtype);
1466 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1468 case MONO_TYPE_GENERICINST:
1469 if (mono_type_generic_inst_is_valuetype (type)) {
1470 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1472 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1476 case MONO_TYPE_MVAR:
1477 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1480 g_warning ("type %x not implemented", type->type);
1481 g_assert_not_reached ();
1484 mono_mb_emit_byte (mb, CEE_RET);
1485 #endif /* DISABLE_JIT */
1487 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1488 info->d.proxy.klass = klass;
1489 res = mono_mb_create_and_cache_full (cache, klass,
1490 mb, sig, sig->param_count + 16, info, NULL);
1497 * mono_marshal_get_ldflda_wrapper:
1498 * @type: the type of the field
1500 * This method generates a function which can be used to load a field address
1501 * from an object. The generated function has the following signature:
1502 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1505 mono_marshal_get_ldflda_wrapper (MonoType *type)
1507 MonoMethodSignature *sig;
1508 MonoMethodBuilder *mb;
1514 int t, pos0, pos1, pos2, pos3;
1516 type = mono_type_get_underlying_type (type);
1520 if (type->type == MONO_TYPE_SZARRAY) {
1521 klass = mono_defaults.array_class;
1522 } else if (type->type == MONO_TYPE_VALUETYPE) {
1523 klass = type->data.klass;
1524 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1525 t == MONO_TYPE_CLASS) {
1526 klass = mono_defaults.object_class;
1527 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1528 klass = mono_defaults.int_class;
1529 } else if (t == MONO_TYPE_GENERICINST) {
1530 if (mono_type_generic_inst_is_valuetype (type))
1531 klass = mono_class_from_mono_type (type);
1533 klass = mono_defaults.object_class;
1535 klass = mono_class_from_mono_type (type);
1538 klass = mono_defaults.int_class;
1541 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1542 if ((res = mono_marshal_find_in_cache (cache, klass)))
1545 /* we add the %p pointer value of klass because class names are not unique */
1546 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1547 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1550 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1551 sig->params [0] = &mono_defaults.object_class->byval_arg;
1552 sig->params [1] = &mono_defaults.int_class->byval_arg;
1553 sig->params [2] = &mono_defaults.int_class->byval_arg;
1554 sig->params [3] = &mono_defaults.int_class->byval_arg;
1555 sig->ret = &mono_defaults.int_class->byval_arg;
1558 /* if typeof (this) != transparent_proxy goto pos0 */
1559 mono_mb_emit_ldarg (mb, 0);
1560 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1562 /* if same_appdomain goto pos1 */
1563 mono_mb_emit_ldarg (mb, 0);
1564 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1566 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1568 /* same app domain */
1569 mono_mb_patch_branch (mb, pos1);
1571 /* if typeof (this) != contextbound goto pos2 */
1572 mono_mb_emit_ldarg (mb, 0);
1573 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1575 /* if this->rp->context == mono_context_get goto pos3 */
1576 mono_mb_emit_ldarg (mb, 0);
1577 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1578 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1579 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1580 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1581 mono_mb_emit_icall (mb, mono_context_get);
1582 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1584 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1586 mono_mb_patch_branch (mb, pos2);
1587 mono_mb_patch_branch (mb, pos3);
1589 /* return the address of the field from this->rp->unwrapped_server */
1590 mono_mb_emit_ldarg (mb, 0);
1591 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1592 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1593 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1594 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1595 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1596 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1597 mono_mb_emit_ldarg (mb, 3);
1598 mono_mb_emit_byte (mb, CEE_ADD);
1599 mono_mb_emit_byte (mb, CEE_RET);
1601 /* not a proxy: return the address of the field directly */
1602 mono_mb_patch_branch (mb, pos0);
1604 mono_mb_emit_ldarg (mb, 0);
1605 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1606 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1607 mono_mb_emit_ldarg (mb, 3);
1608 mono_mb_emit_byte (mb, CEE_ADD);
1610 mono_mb_emit_byte (mb, CEE_RET);
1613 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1614 info->d.proxy.klass = klass;
1615 res = mono_mb_create_and_cache_full (cache, klass,
1616 mb, sig, sig->param_count + 16,
1624 * mono_marshal_get_stfld_remote_wrapper:
1625 * klass: The type of the field
1627 * This function generates a wrapper for calling mono_store_remote_field_new
1628 * with the appropriate signature.
1629 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1630 * klass argument anymore.
1633 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1635 MonoMethodSignature *sig;
1636 MonoMethodBuilder *mb;
1638 static MonoMethod *cached = NULL;
1640 mono_marshal_lock_internal ();
1642 mono_marshal_unlock_internal ();
1645 mono_marshal_unlock_internal ();
1647 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1649 mb->method->save_lmf = 1;
1651 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1652 sig->params [0] = &mono_defaults.object_class->byval_arg;
1653 sig->params [1] = &mono_defaults.int_class->byval_arg;
1654 sig->params [2] = &mono_defaults.int_class->byval_arg;
1655 sig->params [3] = &mono_defaults.object_class->byval_arg;
1656 sig->ret = &mono_defaults.void_class->byval_arg;
1659 mono_mb_emit_ldarg (mb, 0);
1660 mono_mb_emit_ldarg (mb, 1);
1661 mono_mb_emit_ldarg (mb, 2);
1662 mono_mb_emit_ldarg (mb, 3);
1664 mono_mb_emit_icall (mb, mono_store_remote_field_new_icall);
1666 mono_mb_emit_byte (mb, CEE_RET);
1669 mono_marshal_lock_internal ();
1671 mono_marshal_unlock_internal ();
1674 newm = mono_mb_create (mb, sig, 6, NULL);
1675 mono_marshal_lock_internal ();
1680 mono_marshal_unlock_internal ();
1682 mono_marshal_unlock_internal ();
1683 mono_free_method (newm);
1692 * mono_marshal_get_stfld_wrapper:
1693 * @type: the type of the field
1695 * This method generates a function which can be use to store a field with type
1696 * @type. The generated function has the following signature:
1697 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1700 mono_marshal_get_stfld_wrapper (MonoType *type)
1702 MonoMethodSignature *sig;
1703 MonoMethodBuilder *mb;
1711 type = mono_type_get_underlying_type (type);
1715 if (type->type == MONO_TYPE_SZARRAY) {
1716 klass = mono_defaults.array_class;
1717 } else if (type->type == MONO_TYPE_VALUETYPE) {
1718 klass = type->data.klass;
1719 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1720 klass = mono_defaults.object_class;
1721 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1722 klass = mono_defaults.int_class;
1723 } else if (t == MONO_TYPE_GENERICINST) {
1724 if (mono_type_generic_inst_is_valuetype (type))
1725 klass = mono_class_from_mono_type (type);
1727 klass = mono_defaults.object_class;
1729 klass = mono_class_from_mono_type (type);
1732 klass = mono_defaults.int_class;
1735 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1736 if ((res = mono_marshal_find_in_cache (cache, klass)))
1739 /* we add the %p pointer value of klass because class names are not unique */
1740 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1741 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1744 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1745 sig->params [0] = &mono_defaults.object_class->byval_arg;
1746 sig->params [1] = &mono_defaults.int_class->byval_arg;
1747 sig->params [2] = &mono_defaults.int_class->byval_arg;
1748 sig->params [3] = &mono_defaults.int_class->byval_arg;
1749 sig->params [4] = &klass->byval_arg;
1750 sig->ret = &mono_defaults.void_class->byval_arg;
1753 mono_mb_emit_ldarg (mb, 0);
1754 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1756 mono_mb_emit_ldarg (mb, 0);
1757 mono_mb_emit_ldarg (mb, 1);
1758 mono_mb_emit_ldarg (mb, 2);
1759 mono_mb_emit_ldarg (mb, 4);
1760 if (klass->valuetype)
1761 mono_mb_emit_op (mb, CEE_BOX, klass);
1763 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1765 mono_mb_emit_byte (mb, CEE_RET);
1767 mono_mb_patch_branch (mb, pos);
1769 mono_mb_emit_ldarg (mb, 0);
1770 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1771 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1772 mono_mb_emit_ldarg (mb, 3);
1773 mono_mb_emit_byte (mb, CEE_ADD);
1774 mono_mb_emit_ldarg (mb, 4);
1779 case MONO_TYPE_BOOLEAN:
1780 case MONO_TYPE_CHAR:
1789 case MONO_TYPE_ARRAY:
1790 case MONO_TYPE_SZARRAY:
1791 case MONO_TYPE_OBJECT:
1792 case MONO_TYPE_CLASS:
1793 case MONO_TYPE_STRING:
1797 case MONO_TYPE_FNPTR:
1798 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1800 case MONO_TYPE_VALUETYPE:
1801 g_assert (!klass->enumtype);
1802 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1804 case MONO_TYPE_GENERICINST:
1806 case MONO_TYPE_MVAR:
1807 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1810 g_warning ("type %x not implemented", type->type);
1811 g_assert_not_reached ();
1814 mono_mb_emit_byte (mb, CEE_RET);
1817 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1818 info->d.proxy.klass = klass;
1819 res = mono_mb_create_and_cache_full (cache, klass,
1820 mb, sig, sig->param_count + 16,
1828 mono_marshal_get_proxy_cancast (MonoClass *klass)
1830 static MonoMethodSignature *isint_sig = NULL;
1834 int pos_failed, pos_end;
1835 char *name, *klass_name;
1836 MonoMethod *can_cast_to;
1837 MonoMethodDesc *desc;
1838 MonoMethodBuilder *mb;
1840 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1841 if ((res = mono_marshal_find_in_cache (cache, klass)))
1845 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1846 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1847 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1848 isint_sig->pinvoke = 0;
1851 klass_name = mono_type_full_name (&klass->byval_arg);
1852 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1853 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1854 g_free (klass_name);
1857 mb->method->save_lmf = 1;
1860 /* get the real proxy from the transparent proxy*/
1861 mono_mb_emit_ldarg (mb, 0);
1862 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1863 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1865 /* get the reflection type from the type handle */
1866 mono_mb_emit_ptr (mb, &klass->byval_arg);
1867 mono_mb_emit_icall (mb, type_from_handle);
1869 mono_mb_emit_ldarg (mb, 0);
1871 /* make the call to CanCastTo (type, ob) */
1872 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1873 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1874 g_assert (can_cast_to);
1875 mono_method_desc_free (desc);
1876 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1878 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1880 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1881 mono_mb_emit_ptr (mb, &klass->byval_arg);
1882 mono_mb_emit_icall (mb, type_from_handle);
1883 mono_mb_emit_ldarg (mb, 0);
1885 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1886 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1888 mono_mb_emit_ldarg (mb, 0);
1889 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1893 mono_mb_patch_branch (mb, pos_failed);
1894 mono_mb_emit_byte (mb, CEE_LDNULL);
1898 mono_mb_patch_branch (mb, pos_end);
1899 mono_mb_emit_byte (mb, CEE_RET);
1902 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1903 info->d.proxy.klass = klass;
1904 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1911 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1915 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1916 klass = mono_class_from_mono_type (rtype->type);
1917 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass, &error);
1918 mono_error_set_pending_exception (&error);
1921 #else /* DISABLE_REMOTING */
1924 mono_remoting_init (void)
1928 #endif /* DISABLE_REMOTING */
1930 /* mono_get_xdomain_marshal_type()
1931 * Returns the kind of marshalling that a type needs for cross domain calls.
1933 static MonoXDomainMarshalType
1934 mono_get_xdomain_marshal_type (MonoType *t)
1937 case MONO_TYPE_VOID:
1938 g_assert_not_reached ();
1942 case MONO_TYPE_BOOLEAN:
1945 case MONO_TYPE_CHAR:
1952 return MONO_MARSHAL_NONE;
1953 case MONO_TYPE_STRING:
1954 return MONO_MARSHAL_COPY;
1955 case MONO_TYPE_ARRAY:
1956 case MONO_TYPE_SZARRAY: {
1957 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1958 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1959 return MONO_MARSHAL_COPY;
1965 return MONO_MARSHAL_SERIALIZE;
1968 /* mono_marshal_xdomain_copy_value
1969 * Makes a copy of "val" suitable for the current domain.
1972 mono_marshal_xdomain_copy_value (MonoObject *val, MonoError *error)
1974 mono_error_init (error);
1976 if (val == NULL) return NULL;
1978 domain = mono_domain_get ();
1980 switch (mono_object_class (val)->byval_arg.type) {
1981 case MONO_TYPE_VOID:
1982 g_assert_not_reached ();
1986 case MONO_TYPE_BOOLEAN:
1989 case MONO_TYPE_CHAR:
1995 case MONO_TYPE_R8: {
1996 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), error);
2000 case MONO_TYPE_STRING: {
2001 MonoString *str = (MonoString *) val;
2002 MonoObject *res = NULL;
2003 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), error);
2006 case MONO_TYPE_ARRAY:
2007 case MONO_TYPE_SZARRAY: {
2009 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2010 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2011 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val, error);
2012 return_val_if_nok (error, NULL);
2014 if (mt == MONO_MARSHAL_COPY) {
2015 int i, len = mono_array_length (acopy);
2016 for (i = 0; i < len; i++) {
2017 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2018 MonoObject *item_copy = mono_marshal_xdomain_copy_value (item, error);
2019 return_val_if_nok (error, NULL);
2020 mono_array_setref (acopy, i, item_copy);
2023 return (MonoObject *) acopy;
2032 /* mono_marshal_xdomain_copy_value
2033 * Makes a copy of "val" suitable for the current domain.
2036 ves_icall_mono_marshal_xdomain_copy_value (MonoObject *val)
2039 MonoObject *result = mono_marshal_xdomain_copy_value (val, &error);
2040 mono_error_set_pending_exception (&error);