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 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
87 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
89 mono_register_jit_icall (func, name, sig, save);
95 g_assert (remoting_mutex_inited);
96 mono_os_mutex_lock (&remoting_mutex);
100 remoting_unlock (void)
102 g_assert (remoting_mutex_inited);
103 mono_os_mutex_unlock (&remoting_mutex);
107 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
110 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
116 g_hash_table_new (hash_func, equal_func);
117 mono_memory_barrier ();
126 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
132 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
133 mono_memory_barrier ();
142 mono_remoting_init (void)
144 mono_os_mutex_init (&remoting_mutex);
145 remoting_mutex_inited = TRUE;
149 mono_remoting_marshal_init (void)
153 static gboolean module_initialized = FALSE;
154 static gboolean icalls_registered = FALSE;
156 if (module_initialized)
159 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
162 klass = mono_class_get_remoting_services_class ();
163 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
164 g_assert (method_rs_serialize);
165 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
166 g_assert (method_rs_deserialize);
167 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
168 g_assert (method_rs_serialize_exc);
170 klass = mono_defaults.real_proxy_class;
171 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
172 g_assert (method_rs_appdomain_target);
174 klass = mono_defaults.exception_class;
175 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
176 g_assert (method_exc_fixexc);
178 klass = mono_class_get_call_context_class ();
179 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
180 g_assert (method_set_call_context);
182 klass = mono_class_get_context_class ();
183 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
184 g_assert (method_needs_context_sink);
189 if (!icalls_registered) {
190 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
191 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
192 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
193 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
194 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
195 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
196 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
197 /* mono_load_remote_field_new_icall registered by mini-runtime.c */
198 /* mono_store_remote_field_new_icall registered by mini-runtime.c */
202 icalls_registered = TRUE;
204 mono_loader_unlock ();
206 module_initialized = TRUE;
209 static MonoReflectionType *
210 type_from_handle (MonoType *handle)
213 MonoReflectionType *ret;
214 MonoDomain *domain = mono_domain_get ();
215 MonoClass *klass = mono_class_from_mono_type (handle);
217 mono_class_init (klass);
219 ret = mono_type_get_object_checked (domain, handle, &error);
220 mono_error_raise_exception (&error); /* FIXME don't raise here */
227 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
230 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
231 mono_mb_emit_byte (mb, CEE_LDIND_I);
232 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
233 mono_mb_emit_byte (mb, CEE_ADD);
234 mono_mb_emit_byte (mb, CEE_LDIND_I);
235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
236 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
237 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
238 pos = mono_mb_emit_branch (mb, branch_code);
243 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
246 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
247 mono_mb_emit_byte (mb, CEE_LDIND_REF);
248 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
249 mono_mb_emit_byte (mb, CEE_LDIND_I4);
250 mono_mb_emit_icon (mb, -1);
251 pos = mono_mb_emit_branch (mb, branch_code);
256 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
258 static int offset = -1;
262 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
264 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
265 mono_mb_emit_byte (mb, CEE_LDIND_REF);
266 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
267 mono_mb_emit_byte (mb, CEE_LDIND_REF);
268 mono_mb_emit_ldflda (mb, offset);
269 mono_mb_emit_byte (mb, CEE_LDIND_U1);
270 mono_mb_emit_icon (mb, mask);
271 mono_mb_emit_byte (mb, CEE_AND);
272 mono_mb_emit_icon (mb, 0);
273 return mono_mb_emit_branch (mb, branch_code);
275 #endif /* !DISABLE_JIT */
277 static inline MonoMethod*
278 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
280 MonoMethod *res = NULL;
281 MonoRemotingMethods *wrps = NULL;
283 mono_marshal_lock_internal ();
284 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
285 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
288 switch (wrapper_type) {
289 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
290 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
291 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
292 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
296 /* it is important to do the unlock after the load from wrps, since in
297 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
298 * to take the loader lock and some other thread may set the fields.
300 mono_marshal_unlock_internal ();
304 /* Create the method from the builder and place it in the cache */
305 static inline MonoMethod*
306 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
307 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
309 MonoMethod **res = NULL;
310 MonoRemotingMethods *wrps;
313 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
315 mono_marshal_lock_internal ();
316 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
318 wrps = g_new0 (MonoRemotingMethods, 1);
319 g_hash_table_insert (cache, key, wrps);
322 switch (mb->method->wrapper_type) {
323 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
324 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
325 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
326 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
327 default: g_assert_not_reached (); break;
329 mono_marshal_unlock_internal ();
333 newm = mono_mb_create_method (mb, sig, max_stack);
335 mono_marshal_lock_internal ();
338 mono_marshal_set_wrapper_info (*res, info);
339 mono_marshal_unlock_internal ();
341 mono_marshal_unlock_internal ();
342 mono_free_method (newm);
350 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
353 MonoMethodMessage *msg;
354 MonoTransparentProxy *this_obj;
355 MonoObject *res, *exc;
358 this_obj = *((MonoTransparentProxy **)params [0]);
361 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
363 /* skip the this pointer */
366 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
369 MonoMethodSignature *sig = mono_method_signature (method);
370 int count = sig->param_count;
371 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
373 for (i=0; i<count; i++) {
374 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
375 if (klass->valuetype) {
376 if (sig->params [i]->byref) {
377 mparams[i] = *((gpointer *)params [i]);
379 /* runtime_invoke expects a boxed instance */
380 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
381 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass, &error);
385 mparams[i] = params [i];
388 mparams[i] = *((gpointer**)params [i]);
392 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
399 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
401 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
406 mono_error_init (&error);
407 mono_error_set_exception_instance (&error, (MonoException *)exc);
411 mono_method_return_message_restore (method, params, out_args, &error);
412 if (!is_ok (&error)) goto fail;
416 /* This icall will be called from managed code, and more over
417 * from a protected wrapper so interruptions such as pending
418 * exceptions will not be honored. (See
419 * is_running_protected_wrapper () in threads.c and
420 * mono_marshal_get_remoting_invoke () in remoting.c)
422 mono_error_raise_exception (&error);
428 mono_marshal_get_remoting_invoke (MonoMethod *method)
430 MonoMethodSignature *sig;
431 MonoMethodBuilder *mb;
438 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
441 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
443 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
444 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
445 g_assert (vtable); /*FIXME do proper error handling*/
447 if (!mono_vtable_is_remote (vtable)) {
448 return mono_cominterop_get_invoke (method);
453 sig = mono_signature_no_pinvoke (method);
455 /* we cant remote methods without this pointer */
459 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
462 mono_remoting_marshal_init ();
464 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
467 mb->method->save_lmf = 1;
469 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
471 mono_mb_emit_ptr (mb, method);
472 mono_mb_emit_ldloc (mb, params_var);
473 mono_mb_emit_icall (mb, mono_remoting_wrapper);
474 // FIXME: this interrupt checkpoint code is a no-op since 'mb'
475 // is a MONO_WRAPPER_REMOTING_INVOKE, and
476 // mono_thread_interruption_checkpoint_request (FALSE)
477 // considers such wrappers "protected" and always returns
478 // NULL as if there's no pending interruption.
479 mono_marshal_emit_thread_interrupt_checkpoint (mb);
481 if (sig->ret->type == MONO_TYPE_VOID) {
482 mono_mb_emit_byte (mb, CEE_POP);
483 mono_mb_emit_byte (mb, CEE_RET);
485 mono_mb_emit_restore_result (mb, sig->ret);
489 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
490 info->d.remoting.method = method;
491 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
497 /* mono_marshal_xdomain_copy_out_value()
498 * Copies the contents of the src instance into the dst instance. src and dst
499 * must have the same type, and if they are arrays, the same size.
502 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
504 if (src == NULL || dst == NULL) return;
506 g_assert (mono_object_class (src) == mono_object_class (dst));
508 switch (mono_object_class (src)->byval_arg.type) {
509 case MONO_TYPE_ARRAY:
510 case MONO_TYPE_SZARRAY: {
511 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
512 if (mt == MONO_MARSHAL_SERIALIZE) return;
513 if (mt == MONO_MARSHAL_COPY) {
514 int i, len = mono_array_length ((MonoArray *)dst);
515 for (i = 0; i < len; i++) {
516 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
517 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
520 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
531 #if !defined (DISABLE_JIT)
533 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
535 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
536 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
540 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
542 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
546 /* mono_marshal_supports_fast_xdomain()
547 * Returns TRUE if the method can use the fast xdomain wrapper.
550 mono_marshal_supports_fast_xdomain (MonoMethod *method)
552 return !mono_class_is_contextbound (method->klass) &&
553 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
557 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
559 MonoDomain *current_domain = mono_domain_get ();
560 MonoDomain *domain = mono_domain_get_by_id (id);
562 if (!domain || !mono_domain_set (domain, FALSE)) {
563 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
568 mono_thread_push_appdomain_ref (domain);
570 mono_thread_pop_appdomain_ref ();
572 return current_domain->domain_id;
575 #if !defined (DISABLE_JIT)
577 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
579 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
582 /* mono_marshal_emit_load_domain_method ()
583 * Loads into the stack a pointer to the code of the provided method for
584 * the current domain.
587 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
589 /* We need a pointer to the method for the running domain (not the domain
590 * that compiles the method).
592 mono_mb_emit_ptr (mb, method);
593 mono_mb_emit_icall (mb, mono_compile_method);
597 /* mono_marshal_check_domain_image ()
598 * Returns TRUE if the image is loaded in the specified
599 * application domain.
602 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
607 MonoDomain *domain = mono_domain_get_by_id (domain_id);
611 mono_domain_assemblies_lock (domain);
612 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
613 ass = (MonoAssembly *)tmp->data;
614 if (ass->image == image)
617 mono_domain_assemblies_unlock (domain);
622 /* mono_marshal_get_xappdomain_dispatch ()
623 * Generates a method that dispatches a method call from another domain into
624 * the current domain.
627 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
629 MonoMethodSignature *sig, *csig;
630 MonoMethodBuilder *mb;
632 int i, j, param_index, copy_locals_base;
633 MonoClass *ret_class = NULL;
634 int loc_array=0, loc_return=0, loc_serialized_exc=0;
635 MonoExceptionClause *main_clause;
637 gboolean copy_return;
640 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
643 sig = mono_method_signature (method);
644 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
647 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
648 csig->params [j++] = &mono_defaults.object_class->byval_arg;
649 csig->params [j++] = &byte_array_class->this_arg;
650 csig->params [j++] = &byte_array_class->this_arg;
651 for (i = 0; i < sig->param_count; i++) {
652 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
653 csig->params [j++] = sig->params [i];
656 csig->ret = sig->ret;
658 csig->ret = &mono_defaults.void_class->byval_arg;
660 csig->hasthis = FALSE;
662 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
663 mb->method->save_lmf = 1;
668 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
669 if (complex_count > 0)
670 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
671 if (sig->ret->type != MONO_TYPE_VOID) {
672 loc_return = mono_mb_add_local (mb, sig->ret);
673 ret_class = mono_class_from_mono_type (sig->ret);
678 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
679 main_clause->try_offset = mono_mb_get_label (mb);
681 /* Clean the call context */
683 mono_mb_emit_byte (mb, CEE_LDNULL);
684 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
685 mono_mb_emit_byte (mb, CEE_POP);
687 /* Deserialize call data */
689 mono_mb_emit_ldarg (mb, 1);
690 mono_mb_emit_byte (mb, CEE_LDIND_REF);
691 mono_mb_emit_byte (mb, CEE_DUP);
692 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
694 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
695 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
697 if (complex_count > 0)
698 mono_mb_emit_stloc (mb, loc_array);
700 mono_mb_emit_byte (mb, CEE_POP);
702 mono_mb_patch_short_branch (mb, pos);
704 /* Get the target object */
706 mono_mb_emit_ldarg (mb, 0);
707 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
709 /* Load the arguments */
711 copy_locals_base = mb->locals;
712 param_index = 3; // Index of the first non-serialized parameter of this wrapper
714 for (i = 0; i < sig->param_count; i++) {
715 MonoType *pt = sig->params [i];
716 MonoClass *pclass = mono_class_from_mono_type (pt);
717 switch (marshal_types [i]) {
718 case MONO_MARSHAL_SERIALIZE: {
719 /* take the value from the serialized array */
720 mono_mb_emit_ldloc (mb, loc_array);
721 mono_mb_emit_icon (mb, j++);
723 if (pclass->valuetype) {
724 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
725 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
727 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
730 if (pclass->valuetype) {
731 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
732 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
733 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
735 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
736 if (pclass != mono_defaults.object_class) {
737 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
743 case MONO_MARSHAL_COPY_OUT: {
744 /* Keep a local copy of the value since we need to copy it back after the call */
745 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
746 mono_mb_emit_ldarg (mb, param_index++);
747 mono_marshal_emit_xdomain_copy_value (mb, pclass);
748 mono_mb_emit_byte (mb, CEE_DUP);
749 mono_mb_emit_stloc (mb, copy_local);
752 case MONO_MARSHAL_COPY: {
753 mono_mb_emit_ldarg (mb, param_index);
755 mono_mb_emit_byte (mb, CEE_DUP);
756 mono_mb_emit_byte (mb, CEE_DUP);
757 mono_mb_emit_byte (mb, CEE_LDIND_REF);
758 mono_marshal_emit_xdomain_copy_value (mb, pclass);
759 mono_mb_emit_byte (mb, CEE_STIND_REF);
761 mono_marshal_emit_xdomain_copy_value (mb, pclass);
766 case MONO_MARSHAL_NONE:
767 mono_mb_emit_ldarg (mb, param_index++);
772 /* Make the call to the real object */
774 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
776 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
778 if (sig->ret->type != MONO_TYPE_VOID)
779 mono_mb_emit_stloc (mb, loc_return);
781 /* copy back MONO_MARSHAL_COPY_OUT parameters */
785 for (i = 0; i < sig->param_count; i++) {
786 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
787 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
788 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
789 mono_mb_emit_ldarg (mb, param_index);
790 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
795 /* Serialize the return values */
797 if (complex_out_count > 0) {
798 /* Reset parameters in the array that don't need to be serialized back */
800 for (i = 0; i < sig->param_count; i++) {
801 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
802 if (!sig->params [i]->byref) {
803 mono_mb_emit_ldloc (mb, loc_array);
804 mono_mb_emit_icon (mb, j);
805 mono_mb_emit_byte (mb, CEE_LDNULL);
806 mono_mb_emit_byte (mb, CEE_STELEM_REF);
811 /* Add the return value to the array */
813 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
814 mono_mb_emit_ldloc (mb, loc_array);
815 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
816 mono_mb_emit_ldloc (mb, loc_return);
818 g_assert (ret_class); /*FIXME properly fail here*/
819 if (ret_class->valuetype) {
820 mono_mb_emit_op (mb, CEE_BOX, ret_class);
822 mono_mb_emit_byte (mb, CEE_STELEM_REF);
827 mono_mb_emit_ldarg (mb, 1);
828 mono_mb_emit_ldloc (mb, loc_array);
829 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
830 mono_mb_emit_byte (mb, CEE_STIND_REF);
831 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
832 mono_mb_emit_ldarg (mb, 1);
833 mono_mb_emit_ldloc (mb, loc_return);
834 if (ret_class->valuetype) {
835 mono_mb_emit_op (mb, CEE_BOX, ret_class);
837 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
838 mono_mb_emit_byte (mb, CEE_STIND_REF);
840 mono_mb_emit_ldarg (mb, 1);
841 mono_mb_emit_byte (mb, CEE_LDNULL);
842 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
843 mono_mb_emit_byte (mb, CEE_STIND_REF);
846 mono_mb_emit_ldarg (mb, 2);
847 mono_mb_emit_byte (mb, CEE_LDNULL);
848 mono_mb_emit_byte (mb, CEE_STIND_REF);
849 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
851 /* Main exception catch */
852 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
853 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
854 main_clause->data.catch_class = mono_defaults.object_class;
857 main_clause->handler_offset = mono_mb_get_label (mb);
858 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
859 mono_mb_emit_stloc (mb, loc_serialized_exc);
860 mono_mb_emit_ldarg (mb, 2);
861 mono_mb_emit_ldloc (mb, loc_serialized_exc);
862 mono_mb_emit_byte (mb, CEE_STIND_REF);
863 mono_mb_emit_branch (mb, CEE_LEAVE);
864 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
867 mono_mb_patch_branch (mb, pos_leave);
870 mono_mb_emit_ldloc (mb, loc_return);
872 mono_mb_emit_byte (mb, CEE_RET);
874 mono_mb_set_clauses (mb, 1, main_clause);
877 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
878 info->d.remoting.method = method;
879 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
885 /* mono_marshal_get_xappdomain_invoke ()
886 * Generates a fast remoting wrapper for cross app domain calls.
889 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
891 MonoMethodSignature *sig;
892 MonoMethodBuilder *mb;
894 int i, j, complex_count, complex_out_count, copy_locals_base;
896 MonoClass *ret_class = NULL;
897 MonoMethod *xdomain_method;
898 int ret_marshal_type = MONO_MARSHAL_NONE;
899 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
900 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
901 int pos, pos_dispatch, pos_noex;
902 gboolean copy_return = FALSE;
907 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
910 /* we cant remote methods without this pointer */
911 if (!mono_method_signature (method)->hasthis)
914 mono_remoting_marshal_init ();
916 if (!mono_marshal_supports_fast_xdomain (method))
917 return mono_marshal_get_remoting_invoke (method);
919 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
922 sig = mono_signature_no_pinvoke (method);
924 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
925 mb->method->save_lmf = 1;
927 /* Count the number of parameters that need to be serialized */
929 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
930 complex_count = complex_out_count = 0;
931 for (i = 0; i < sig->param_count; i++) {
932 MonoType *ptype = sig->params[i];
933 int mt = mono_get_xdomain_marshal_type (ptype);
935 /* If the [Out] attribute is applied to a parameter that can be internally copied,
936 * the copy will be made by reusing the original object instance
938 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
939 mt = MONO_MARSHAL_COPY_OUT;
940 else if (mt == MONO_MARSHAL_SERIALIZE) {
942 if (ptype->byref) complex_out_count++;
944 marshal_types [i] = mt;
947 if (sig->ret->type != MONO_TYPE_VOID) {
948 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
949 ret_class = mono_class_from_mono_type (sig->ret);
950 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
956 if (complex_count > 0)
957 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
958 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
959 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
961 loc_return = mono_mb_add_local (mb, sig->ret);
962 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
963 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
964 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
965 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
967 /* Save thread domain data */
969 mono_mb_emit_icall (mb, mono_context_get);
970 mono_mb_emit_byte (mb, CEE_DUP);
971 mono_mb_emit_stloc (mb, loc_context);
973 /* If the thread is not running in the default context, it needs to go
974 * through the whole remoting sink, since the context is going to change
976 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
977 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
979 /* Another case in which the fast path can't be used: when the target domain
980 * has a different image for the same assembly.
983 /* Get the target domain id */
985 mono_mb_emit_ldarg (mb, 0);
986 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
987 mono_mb_emit_byte (mb, CEE_LDIND_REF);
988 mono_mb_emit_byte (mb, CEE_DUP);
989 mono_mb_emit_stloc (mb, loc_real_proxy);
991 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
992 mono_mb_emit_byte (mb, CEE_LDIND_I4);
993 mono_mb_emit_stloc (mb, loc_domainid);
995 /* Check if the target domain has the same image for the required assembly */
997 mono_mb_emit_ldloc (mb, loc_domainid);
998 mono_mb_emit_ptr (mb, method->klass->image);
999 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
1000 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1002 /* Use the whole remoting sink to dispatch this message */
1004 mono_mb_patch_short_branch (mb, pos);
1006 mono_mb_emit_ldarg (mb, 0);
1007 for (i = 0; i < sig->param_count; i++)
1008 mono_mb_emit_ldarg (mb, i + 1);
1010 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
1011 mono_mb_emit_byte (mb, CEE_RET);
1012 mono_mb_patch_short_branch (mb, pos_dispatch);
1014 /* Create the array that will hold the parameters to be serialized */
1016 if (complex_count > 0) {
1017 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 */
1018 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
1021 for (i = 0; i < sig->param_count; i++) {
1023 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1024 pclass = mono_class_from_mono_type (sig->params[i]);
1025 mono_mb_emit_byte (mb, CEE_DUP);
1026 mono_mb_emit_icon (mb, j);
1027 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1028 if (sig->params[i]->byref) {
1029 if (pclass->valuetype)
1030 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1032 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1034 if (pclass->valuetype)
1035 mono_mb_emit_op (mb, CEE_BOX, pclass);
1036 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1039 mono_mb_emit_stloc (mb, loc_array);
1041 /* Serialize parameters */
1043 mono_mb_emit_ldloc (mb, loc_array);
1044 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1045 mono_mb_emit_stloc (mb, loc_serialized_data);
1047 mono_mb_emit_byte (mb, CEE_LDNULL);
1048 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1049 mono_mb_emit_stloc (mb, loc_serialized_data);
1054 mono_mb_emit_ldloc (mb, loc_domainid);
1055 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1056 mono_marshal_emit_switch_domain (mb);
1057 mono_mb_emit_stloc (mb, loc_old_domainid);
1059 /* Load the arguments */
1061 mono_mb_emit_ldloc (mb, loc_real_proxy);
1062 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1063 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1065 copy_locals_base = mb->locals;
1066 for (i = 0; i < sig->param_count; i++) {
1067 switch (marshal_types [i]) {
1068 case MONO_MARSHAL_SERIALIZE:
1070 case MONO_MARSHAL_COPY: {
1071 mono_mb_emit_ldarg (mb, i+1);
1072 if (sig->params [i]->byref) {
1073 /* make a local copy of the byref parameter. The real parameter
1074 * will be updated after the xdomain call
1076 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1077 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1078 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1079 mono_mb_emit_stloc (mb, copy_local);
1080 mono_mb_emit_ldloc_addr (mb, copy_local);
1084 case MONO_MARSHAL_COPY_OUT:
1085 case MONO_MARSHAL_NONE:
1086 mono_mb_emit_ldarg (mb, i+1);
1091 /* Make the call to the invoke wrapper in the target domain */
1093 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1094 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1095 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1098 mono_mb_emit_stloc (mb, loc_return);
1102 mono_mb_emit_ldloc (mb, loc_old_domainid);
1103 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1104 mono_marshal_emit_switch_domain (mb);
1105 mono_mb_emit_byte (mb, CEE_POP);
1107 /* Restore thread domain data */
1109 mono_mb_emit_ldloc (mb, loc_context);
1110 mono_mb_emit_icall (mb, mono_context_set);
1112 /* if (loc_serialized_exc != null) ... */
1114 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1115 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1117 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1118 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1119 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1120 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1121 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1122 mono_mb_emit_byte (mb, CEE_THROW);
1123 mono_mb_patch_short_branch (mb, pos_noex);
1125 /* copy back non-serialized output parameters */
1128 for (i = 0; i < sig->param_count; i++) {
1129 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1130 mono_mb_emit_ldarg (mb, i + 1);
1131 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1132 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1133 mono_mb_emit_byte (mb, CEE_STIND_REF);
1136 /* Deserialize out parameters */
1138 if (complex_out_count > 0) {
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 mono_mb_emit_stloc (mb, loc_array);
1144 /* Copy back output parameters and return type */
1147 for (i = 0; i < sig->param_count; i++) {
1148 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1149 if (sig->params[i]->byref) {
1150 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1151 mono_mb_emit_ldarg (mb, i + 1);
1152 mono_mb_emit_ldloc (mb, loc_array);
1153 mono_mb_emit_icon (mb, j);
1154 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1155 if (pclass->valuetype) {
1156 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1157 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1158 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1160 if (pclass != mono_defaults.object_class)
1161 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1162 mono_mb_emit_byte (mb, CEE_STIND_REF);
1168 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1169 mono_mb_emit_ldloc (mb, loc_array);
1170 mono_mb_emit_icon (mb, complex_count);
1171 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1172 if (ret_class->valuetype) {
1173 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1174 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1177 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1178 mono_mb_emit_ldloc (mb, loc_serialized_data);
1179 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1180 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1181 if (ret_class->valuetype) {
1182 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1183 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1184 } else if (ret_class != mono_defaults.object_class) {
1185 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1188 mono_mb_emit_ldloc (mb, loc_serialized_data);
1189 mono_mb_emit_byte (mb, CEE_DUP);
1190 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1191 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1193 mono_mb_patch_short_branch (mb, pos);
1194 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1195 mono_mb_emit_byte (mb, CEE_POP);
1199 mono_mb_emit_ldloc (mb, loc_return);
1200 if (ret_marshal_type == MONO_MARSHAL_COPY)
1201 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1204 mono_mb_emit_byte (mb, CEE_RET);
1205 #endif /* DISABLE_JIT */
1207 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1208 info->d.remoting.method = method;
1209 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1216 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1218 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1219 return mono_marshal_get_xappdomain_invoke (method);
1220 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1222 return mono_cominterop_get_invoke (method);
1224 g_assert_not_reached ();
1227 return mono_marshal_get_remoting_invoke (method);
1233 G_GNUC_UNUSED static gpointer
1234 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1236 if (rp->target_domain_id != -1)
1237 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1239 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1243 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1245 MonoMethodSignature *sig;
1246 MonoMethodBuilder *mb;
1247 MonoMethod *res, *native;
1249 int i, pos, pos_rem;
1253 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1256 /* we cant remote methods without this pointer */
1257 g_assert (mono_method_signature (method)->hasthis);
1259 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1262 sig = mono_signature_no_pinvoke (method);
1264 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1267 for (i = 0; i <= sig->param_count; i++)
1268 mono_mb_emit_ldarg (mb, i);
1270 mono_mb_emit_ldarg (mb, 0);
1271 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1273 if (mono_marshal_supports_fast_xdomain (method)) {
1274 mono_mb_emit_ldarg (mb, 0);
1275 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1277 /* wrapper for cross app domain calls */
1278 native = mono_marshal_get_xappdomain_invoke (method);
1279 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1280 mono_mb_emit_byte (mb, CEE_RET);
1282 mono_mb_patch_branch (mb, pos_rem);
1284 /* wrapper for normal remote calls */
1285 native = mono_marshal_get_remoting_invoke (method);
1286 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1287 mono_mb_emit_byte (mb, CEE_RET);
1290 mono_mb_patch_branch (mb, pos);
1291 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1292 mono_mb_emit_byte (mb, CEE_RET);
1295 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1296 info->d.remoting.method = method;
1297 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1304 * mono_marshal_get_ldfld_remote_wrapper:
1305 * @klass: The return type
1307 * This method generates a wrapper for calling mono_load_remote_field_new.
1308 * The return type is ignored for now, as mono_load_remote_field_new () always
1309 * returns an object. In the future, to optimize some codepaths, we might
1310 * call a different function that takes a pointer to a valuetype, instead.
1313 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1315 MonoMethodSignature *sig;
1316 MonoMethodBuilder *mb;
1318 static MonoMethod* cached = NULL;
1320 mono_marshal_lock_internal ();
1322 mono_marshal_unlock_internal ();
1325 mono_marshal_unlock_internal ();
1327 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1329 mb->method->save_lmf = 1;
1331 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1332 sig->params [0] = &mono_defaults.object_class->byval_arg;
1333 sig->params [1] = &mono_defaults.int_class->byval_arg;
1334 sig->params [2] = &mono_defaults.int_class->byval_arg;
1335 sig->ret = &mono_defaults.object_class->byval_arg;
1338 mono_mb_emit_ldarg (mb, 0);
1339 mono_mb_emit_ldarg (mb, 1);
1340 mono_mb_emit_ldarg (mb, 2);
1342 mono_mb_emit_icall (mb, mono_load_remote_field_new_icall);
1344 mono_mb_emit_byte (mb, CEE_RET);
1347 mono_marshal_lock_internal ();
1349 mono_marshal_unlock_internal ();
1352 newm = mono_mb_create (mb, sig, 4, NULL);
1353 mono_marshal_lock_internal ();
1358 mono_marshal_unlock_internal ();
1360 mono_marshal_unlock_internal ();
1361 mono_free_method (newm);
1370 * mono_marshal_get_ldfld_wrapper:
1371 * @type: the type of the field
1373 * This method generates a function which can be use to load a field with type
1374 * @type from an object. The generated function has the following signature:
1375 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1378 mono_marshal_get_ldfld_wrapper (MonoType *type)
1380 MonoMethodSignature *sig;
1381 MonoMethodBuilder *mb;
1387 int t, pos0, pos1 = 0;
1389 type = mono_type_get_underlying_type (type);
1394 if (type->type == MONO_TYPE_SZARRAY) {
1395 klass = mono_defaults.array_class;
1396 } else if (type->type == MONO_TYPE_VALUETYPE) {
1397 klass = type->data.klass;
1398 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1399 klass = mono_defaults.object_class;
1400 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1401 klass = mono_defaults.int_class;
1402 } else if (t == MONO_TYPE_GENERICINST) {
1403 if (mono_type_generic_inst_is_valuetype (type))
1404 klass = mono_class_from_mono_type (type);
1406 klass = mono_defaults.object_class;
1408 klass = mono_class_from_mono_type (type);
1411 klass = mono_defaults.int_class;
1414 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1415 if ((res = mono_marshal_find_in_cache (cache, klass)))
1418 /* we add the %p pointer value of klass because class names are not unique */
1419 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1420 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1423 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1424 sig->params [0] = &mono_defaults.object_class->byval_arg;
1425 sig->params [1] = &mono_defaults.int_class->byval_arg;
1426 sig->params [2] = &mono_defaults.int_class->byval_arg;
1427 sig->params [3] = &mono_defaults.int_class->byval_arg;
1428 sig->ret = &klass->byval_arg;
1431 mono_mb_emit_ldarg (mb, 0);
1432 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1434 mono_mb_emit_ldarg (mb, 0);
1435 mono_mb_emit_ldarg (mb, 1);
1436 mono_mb_emit_ldarg (mb, 2);
1438 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1441 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1442 csig->params [0] = &mono_defaults.object_class->byval_arg;
1443 csig->params [1] = &mono_defaults.int_class->byval_arg;
1444 csig->params [2] = &mono_defaults.int_class->byval_arg;
1445 csig->ret = &klass->this_arg;
1448 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1449 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1452 if (klass->valuetype) {
1453 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1454 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1456 mono_mb_emit_byte (mb, CEE_RET);
1459 mono_mb_patch_branch (mb, pos0);
1461 mono_mb_emit_ldarg (mb, 0);
1462 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1463 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1464 mono_mb_emit_ldarg (mb, 3);
1465 mono_mb_emit_byte (mb, CEE_ADD);
1467 if (klass->valuetype)
1468 mono_mb_patch_branch (mb, pos1);
1473 case MONO_TYPE_BOOLEAN:
1474 case MONO_TYPE_CHAR:
1483 case MONO_TYPE_ARRAY:
1484 case MONO_TYPE_SZARRAY:
1485 case MONO_TYPE_OBJECT:
1486 case MONO_TYPE_CLASS:
1487 case MONO_TYPE_STRING:
1491 case MONO_TYPE_FNPTR:
1492 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1494 case MONO_TYPE_VALUETYPE:
1495 g_assert (!klass->enumtype);
1496 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1498 case MONO_TYPE_GENERICINST:
1499 if (mono_type_generic_inst_is_valuetype (type)) {
1500 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1502 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1506 case MONO_TYPE_MVAR:
1507 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1510 g_warning ("type %x not implemented", type->type);
1511 g_assert_not_reached ();
1514 mono_mb_emit_byte (mb, CEE_RET);
1515 #endif /* DISABLE_JIT */
1517 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1518 info->d.proxy.klass = klass;
1519 res = mono_mb_create_and_cache_full (cache, klass,
1520 mb, sig, sig->param_count + 16, info, NULL);
1527 * mono_marshal_get_ldflda_wrapper:
1528 * @type: the type of the field
1530 * This method generates a function which can be used to load a field address
1531 * from an object. The generated function has the following signature:
1532 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1535 mono_marshal_get_ldflda_wrapper (MonoType *type)
1537 MonoMethodSignature *sig;
1538 MonoMethodBuilder *mb;
1544 int t, pos0, pos1, pos2, pos3;
1546 type = mono_type_get_underlying_type (type);
1550 if (type->type == MONO_TYPE_SZARRAY) {
1551 klass = mono_defaults.array_class;
1552 } else if (type->type == MONO_TYPE_VALUETYPE) {
1553 klass = type->data.klass;
1554 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1555 t == MONO_TYPE_CLASS) {
1556 klass = mono_defaults.object_class;
1557 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1558 klass = mono_defaults.int_class;
1559 } else if (t == MONO_TYPE_GENERICINST) {
1560 if (mono_type_generic_inst_is_valuetype (type))
1561 klass = mono_class_from_mono_type (type);
1563 klass = mono_defaults.object_class;
1565 klass = mono_class_from_mono_type (type);
1568 klass = mono_defaults.int_class;
1571 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1572 if ((res = mono_marshal_find_in_cache (cache, klass)))
1575 /* we add the %p pointer value of klass because class names are not unique */
1576 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1577 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1580 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1581 sig->params [0] = &mono_defaults.object_class->byval_arg;
1582 sig->params [1] = &mono_defaults.int_class->byval_arg;
1583 sig->params [2] = &mono_defaults.int_class->byval_arg;
1584 sig->params [3] = &mono_defaults.int_class->byval_arg;
1585 sig->ret = &mono_defaults.int_class->byval_arg;
1588 /* if typeof (this) != transparent_proxy goto pos0 */
1589 mono_mb_emit_ldarg (mb, 0);
1590 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1592 /* if same_appdomain goto pos1 */
1593 mono_mb_emit_ldarg (mb, 0);
1594 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1596 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1598 /* same app domain */
1599 mono_mb_patch_branch (mb, pos1);
1601 /* if typeof (this) != contextbound goto pos2 */
1602 mono_mb_emit_ldarg (mb, 0);
1603 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1605 /* if this->rp->context == mono_context_get goto pos3 */
1606 mono_mb_emit_ldarg (mb, 0);
1607 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1608 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1609 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1610 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1611 mono_mb_emit_icall (mb, mono_context_get);
1612 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1614 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1616 mono_mb_patch_branch (mb, pos2);
1617 mono_mb_patch_branch (mb, pos3);
1619 /* return the address of the field from this->rp->unwrapped_server */
1620 mono_mb_emit_ldarg (mb, 0);
1621 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1622 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1623 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1624 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1625 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1626 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1627 mono_mb_emit_ldarg (mb, 3);
1628 mono_mb_emit_byte (mb, CEE_ADD);
1629 mono_mb_emit_byte (mb, CEE_RET);
1631 /* not a proxy: return the address of the field directly */
1632 mono_mb_patch_branch (mb, pos0);
1634 mono_mb_emit_ldarg (mb, 0);
1635 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1636 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1637 mono_mb_emit_ldarg (mb, 3);
1638 mono_mb_emit_byte (mb, CEE_ADD);
1640 mono_mb_emit_byte (mb, CEE_RET);
1643 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1644 info->d.proxy.klass = klass;
1645 res = mono_mb_create_and_cache_full (cache, klass,
1646 mb, sig, sig->param_count + 16,
1654 * mono_marshal_get_stfld_remote_wrapper:
1655 * klass: The type of the field
1657 * This function generates a wrapper for calling mono_store_remote_field_new
1658 * with the appropriate signature.
1659 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1660 * klass argument anymore.
1663 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1665 MonoMethodSignature *sig;
1666 MonoMethodBuilder *mb;
1668 static MonoMethod *cached = NULL;
1670 mono_marshal_lock_internal ();
1672 mono_marshal_unlock_internal ();
1675 mono_marshal_unlock_internal ();
1677 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1679 mb->method->save_lmf = 1;
1681 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1682 sig->params [0] = &mono_defaults.object_class->byval_arg;
1683 sig->params [1] = &mono_defaults.int_class->byval_arg;
1684 sig->params [2] = &mono_defaults.int_class->byval_arg;
1685 sig->params [3] = &mono_defaults.object_class->byval_arg;
1686 sig->ret = &mono_defaults.void_class->byval_arg;
1689 mono_mb_emit_ldarg (mb, 0);
1690 mono_mb_emit_ldarg (mb, 1);
1691 mono_mb_emit_ldarg (mb, 2);
1692 mono_mb_emit_ldarg (mb, 3);
1694 mono_mb_emit_icall (mb, mono_store_remote_field_new_icall);
1696 mono_mb_emit_byte (mb, CEE_RET);
1699 mono_marshal_lock_internal ();
1701 mono_marshal_unlock_internal ();
1704 newm = mono_mb_create (mb, sig, 6, NULL);
1705 mono_marshal_lock_internal ();
1710 mono_marshal_unlock_internal ();
1712 mono_marshal_unlock_internal ();
1713 mono_free_method (newm);
1722 * mono_marshal_get_stfld_wrapper:
1723 * @type: the type of the field
1725 * This method generates a function which can be use to store a field with type
1726 * @type. The generated function has the following signature:
1727 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1730 mono_marshal_get_stfld_wrapper (MonoType *type)
1732 MonoMethodSignature *sig;
1733 MonoMethodBuilder *mb;
1741 type = mono_type_get_underlying_type (type);
1745 if (type->type == MONO_TYPE_SZARRAY) {
1746 klass = mono_defaults.array_class;
1747 } else if (type->type == MONO_TYPE_VALUETYPE) {
1748 klass = type->data.klass;
1749 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1750 klass = mono_defaults.object_class;
1751 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1752 klass = mono_defaults.int_class;
1753 } else if (t == MONO_TYPE_GENERICINST) {
1754 if (mono_type_generic_inst_is_valuetype (type))
1755 klass = mono_class_from_mono_type (type);
1757 klass = mono_defaults.object_class;
1759 klass = mono_class_from_mono_type (type);
1762 klass = mono_defaults.int_class;
1765 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1766 if ((res = mono_marshal_find_in_cache (cache, klass)))
1769 /* we add the %p pointer value of klass because class names are not unique */
1770 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1771 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1774 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1775 sig->params [0] = &mono_defaults.object_class->byval_arg;
1776 sig->params [1] = &mono_defaults.int_class->byval_arg;
1777 sig->params [2] = &mono_defaults.int_class->byval_arg;
1778 sig->params [3] = &mono_defaults.int_class->byval_arg;
1779 sig->params [4] = &klass->byval_arg;
1780 sig->ret = &mono_defaults.void_class->byval_arg;
1783 mono_mb_emit_ldarg (mb, 0);
1784 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1786 mono_mb_emit_ldarg (mb, 0);
1787 mono_mb_emit_ldarg (mb, 1);
1788 mono_mb_emit_ldarg (mb, 2);
1789 mono_mb_emit_ldarg (mb, 4);
1790 if (klass->valuetype)
1791 mono_mb_emit_op (mb, CEE_BOX, klass);
1793 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1795 mono_mb_emit_byte (mb, CEE_RET);
1797 mono_mb_patch_branch (mb, pos);
1799 mono_mb_emit_ldarg (mb, 0);
1800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1801 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1802 mono_mb_emit_ldarg (mb, 3);
1803 mono_mb_emit_byte (mb, CEE_ADD);
1804 mono_mb_emit_ldarg (mb, 4);
1809 case MONO_TYPE_BOOLEAN:
1810 case MONO_TYPE_CHAR:
1819 case MONO_TYPE_ARRAY:
1820 case MONO_TYPE_SZARRAY:
1821 case MONO_TYPE_OBJECT:
1822 case MONO_TYPE_CLASS:
1823 case MONO_TYPE_STRING:
1827 case MONO_TYPE_FNPTR:
1828 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1830 case MONO_TYPE_VALUETYPE:
1831 g_assert (!klass->enumtype);
1832 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1834 case MONO_TYPE_GENERICINST:
1836 case MONO_TYPE_MVAR:
1837 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1840 g_warning ("type %x not implemented", type->type);
1841 g_assert_not_reached ();
1844 mono_mb_emit_byte (mb, CEE_RET);
1847 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1848 info->d.proxy.klass = klass;
1849 res = mono_mb_create_and_cache_full (cache, klass,
1850 mb, sig, sig->param_count + 16,
1858 mono_marshal_get_proxy_cancast (MonoClass *klass)
1860 static MonoMethodSignature *isint_sig = NULL;
1864 int pos_failed, pos_end;
1865 char *name, *klass_name;
1866 MonoMethod *can_cast_to;
1867 MonoMethodDesc *desc;
1868 MonoMethodBuilder *mb;
1870 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1871 if ((res = mono_marshal_find_in_cache (cache, klass)))
1875 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1876 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1877 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1878 isint_sig->pinvoke = 0;
1881 klass_name = mono_type_full_name (&klass->byval_arg);
1882 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1883 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1884 g_free (klass_name);
1887 mb->method->save_lmf = 1;
1890 /* get the real proxy from the transparent proxy*/
1891 mono_mb_emit_ldarg (mb, 0);
1892 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1893 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1895 /* get the reflection type from the type handle */
1896 mono_mb_emit_ptr (mb, &klass->byval_arg);
1897 mono_mb_emit_icall (mb, type_from_handle);
1899 mono_mb_emit_ldarg (mb, 0);
1901 /* make the call to CanCastTo (type, ob) */
1902 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1903 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1904 g_assert (can_cast_to);
1905 mono_method_desc_free (desc);
1906 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1908 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1910 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1911 mono_mb_emit_ptr (mb, &klass->byval_arg);
1912 mono_mb_emit_icall (mb, type_from_handle);
1913 mono_mb_emit_ldarg (mb, 0);
1915 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1916 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1918 mono_mb_emit_ldarg (mb, 0);
1919 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1923 mono_mb_patch_branch (mb, pos_failed);
1924 mono_mb_emit_byte (mb, CEE_LDNULL);
1928 mono_mb_patch_branch (mb, pos_end);
1929 mono_mb_emit_byte (mb, CEE_RET);
1932 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1933 info->d.proxy.klass = klass;
1934 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1941 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1944 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1945 klass = mono_class_from_mono_type (rtype->type);
1946 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1949 #else /* DISABLE_REMOTING */
1952 mono_remoting_init (void)
1956 #endif /* DISABLE_REMOTING */
1958 /* mono_get_xdomain_marshal_type()
1959 * Returns the kind of marshalling that a type needs for cross domain calls.
1961 static MonoXDomainMarshalType
1962 mono_get_xdomain_marshal_type (MonoType *t)
1965 case MONO_TYPE_VOID:
1966 g_assert_not_reached ();
1970 case MONO_TYPE_BOOLEAN:
1973 case MONO_TYPE_CHAR:
1980 return MONO_MARSHAL_NONE;
1981 case MONO_TYPE_STRING:
1982 return MONO_MARSHAL_COPY;
1983 case MONO_TYPE_ARRAY:
1984 case MONO_TYPE_SZARRAY: {
1985 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1986 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1987 return MONO_MARSHAL_COPY;
1993 return MONO_MARSHAL_SERIALIZE;
1996 /* mono_marshal_xdomain_copy_value
1997 * Makes a copy of "val" suitable for the current domain.
2000 mono_marshal_xdomain_copy_value (MonoObject *val)
2004 if (val == NULL) return NULL;
2006 domain = mono_domain_get ();
2008 switch (mono_object_class (val)->byval_arg.type) {
2009 case MONO_TYPE_VOID:
2010 g_assert_not_reached ();
2014 case MONO_TYPE_BOOLEAN:
2017 case MONO_TYPE_CHAR:
2023 case MONO_TYPE_R8: {
2024 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), &error);
2025 mono_error_raise_exception (&error); /* FIXME don't raise here */
2029 case MONO_TYPE_STRING: {
2030 MonoString *str = (MonoString *) val;
2031 MonoObject *res = NULL;
2032 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2033 mono_error_raise_exception (&error); /* FIXME don't raise here */
2036 case MONO_TYPE_ARRAY:
2037 case MONO_TYPE_SZARRAY: {
2039 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2040 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2041 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val, &error);
2042 mono_error_raise_exception (&error); /* FIXME don't raise here */
2044 if (mt == MONO_MARSHAL_COPY) {
2045 int i, len = mono_array_length (acopy);
2046 for (i = 0; i < len; i++) {
2047 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2048 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2051 return (MonoObject *) acopy;