2 * remoting.c: Remoting support
4 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
5 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
6 * Copyright 2011-2014 Xamarin, Inc (http://www.xamarin.com)
12 #include "mono/metadata/remoting.h"
13 #include "mono/metadata/marshal.h"
14 #include "mono/metadata/abi-details.h"
15 #include "mono/metadata/cominterop.h"
16 #include "mono/metadata/tabledefs.h"
17 #include "mono/metadata/exception.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/reflection-internals.h"
22 MONO_MARSHAL_NONE, /* No marshalling needed */
23 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
24 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
25 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
26 } MonoXDomainMarshalType;
28 #ifndef DISABLE_REMOTING
30 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
34 #include "mono/cil/opcode.def"
39 struct _MonoRemotingMethods {
41 MonoMethod *invoke_with_check;
42 MonoMethod *xdomain_invoke;
43 MonoMethod *xdomain_dispatch;
46 typedef struct _MonoRemotingMethods MonoRemotingMethods;
49 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
52 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
55 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
58 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
60 static MonoXDomainMarshalType
61 mono_get_xdomain_marshal_type (MonoType *t);
64 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
66 static MonoReflectionType *
67 type_from_handle (MonoType *handle);
69 /* Class lazy loading functions */
70 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
71 static GENERATE_GET_CLASS_WITH_CACHE (call_context, System.Runtime.Remoting.Messaging, CallContext)
72 static GENERATE_GET_CLASS_WITH_CACHE (context, System.Runtime.Remoting.Contexts, Context)
74 static mono_mutex_t remoting_mutex;
75 static gboolean remoting_mutex_inited;
77 static MonoClass *byte_array_class;
79 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
80 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
84 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
86 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
88 mono_register_jit_icall (func, name, sig, save);
94 g_assert (remoting_mutex_inited);
95 mono_os_mutex_lock (&remoting_mutex);
99 remoting_unlock (void)
101 g_assert (remoting_mutex_inited);
102 mono_os_mutex_unlock (&remoting_mutex);
106 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
109 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
115 g_hash_table_new (hash_func, equal_func);
116 mono_memory_barrier ();
125 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
131 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
132 mono_memory_barrier ();
141 mono_remoting_init (void)
143 mono_os_mutex_init (&remoting_mutex);
144 remoting_mutex_inited = TRUE;
148 mono_remoting_marshal_init (void)
152 static gboolean module_initialized = FALSE;
153 static gboolean icalls_registered = FALSE;
155 if (module_initialized)
158 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
161 klass = mono_class_get_remoting_services_class ();
162 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
163 g_assert (method_rs_serialize);
164 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
165 g_assert (method_rs_deserialize);
166 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
167 g_assert (method_rs_serialize_exc);
169 klass = mono_defaults.real_proxy_class;
170 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
171 g_assert (method_rs_appdomain_target);
173 klass = mono_defaults.exception_class;
174 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
175 g_assert (method_exc_fixexc);
177 klass = mono_class_get_call_context_class ();
178 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
179 g_assert (method_set_call_context);
181 klass = mono_class_get_context_class ();
182 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
183 g_assert (method_needs_context_sink);
188 if (!icalls_registered) {
189 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
190 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
191 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
192 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
193 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
194 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
195 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
198 icalls_registered = TRUE;
200 mono_loader_unlock ();
202 module_initialized = TRUE;
205 static MonoReflectionType *
206 type_from_handle (MonoType *handle)
209 MonoReflectionType *ret;
210 MonoDomain *domain = mono_domain_get ();
211 MonoClass *klass = mono_class_from_mono_type (handle);
213 mono_class_init (klass);
215 ret = mono_type_get_object_checked (domain, handle, &error);
216 mono_error_raise_exception (&error); /* FIXME don't raise here */
223 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
226 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
227 mono_mb_emit_byte (mb, CEE_LDIND_I);
228 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
229 mono_mb_emit_byte (mb, CEE_ADD);
230 mono_mb_emit_byte (mb, CEE_LDIND_I);
231 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
232 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
233 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
234 pos = mono_mb_emit_branch (mb, branch_code);
239 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
242 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
243 mono_mb_emit_byte (mb, CEE_LDIND_REF);
244 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
245 mono_mb_emit_byte (mb, CEE_LDIND_I4);
246 mono_mb_emit_icon (mb, -1);
247 pos = mono_mb_emit_branch (mb, branch_code);
252 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
254 static int offset = -1;
258 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
260 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
261 mono_mb_emit_byte (mb, CEE_LDIND_REF);
262 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
263 mono_mb_emit_byte (mb, CEE_LDIND_REF);
264 mono_mb_emit_ldflda (mb, offset);
265 mono_mb_emit_byte (mb, CEE_LDIND_U1);
266 mono_mb_emit_icon (mb, mask);
267 mono_mb_emit_byte (mb, CEE_AND);
268 mono_mb_emit_icon (mb, 0);
269 return mono_mb_emit_branch (mb, branch_code);
271 #endif /* !DISABLE_JIT */
273 static inline MonoMethod*
274 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
276 MonoMethod *res = NULL;
277 MonoRemotingMethods *wrps = NULL;
279 mono_marshal_lock_internal ();
280 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
281 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
284 switch (wrapper_type) {
285 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
286 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
287 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
288 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
292 /* it is important to do the unlock after the load from wrps, since in
293 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
294 * to take the loader lock and some other thread may set the fields.
296 mono_marshal_unlock_internal ();
300 /* Create the method from the builder and place it in the cache */
301 static inline MonoMethod*
302 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
303 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
305 MonoMethod **res = NULL;
306 MonoRemotingMethods *wrps;
309 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
311 mono_marshal_lock_internal ();
312 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
314 wrps = g_new0 (MonoRemotingMethods, 1);
315 g_hash_table_insert (cache, key, wrps);
318 switch (mb->method->wrapper_type) {
319 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
320 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
321 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
322 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
323 default: g_assert_not_reached (); break;
325 mono_marshal_unlock_internal ();
329 newm = mono_mb_create_method (mb, sig, max_stack);
331 mono_marshal_lock_internal ();
334 mono_marshal_set_wrapper_info (*res, info);
335 mono_marshal_unlock_internal ();
337 mono_marshal_unlock_internal ();
338 mono_free_method (newm);
346 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
349 MonoMethodMessage *msg;
350 MonoTransparentProxy *this_obj;
351 MonoObject *res, *exc;
354 this_obj = *((MonoTransparentProxy **)params [0]);
357 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
359 /* skip the this pointer */
362 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
365 MonoMethodSignature *sig = mono_method_signature (method);
366 int count = sig->param_count;
367 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
369 for (i=0; i<count; i++) {
370 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
371 if (klass->valuetype) {
372 if (sig->params [i]->byref) {
373 mparams[i] = *((gpointer *)params [i]);
375 /* runtime_invoke expects a boxed instance */
376 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i])))
377 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass);
379 mparams[i] = params [i];
382 mparams[i] = *((gpointer**)params [i]);
386 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
387 mono_error_raise_exception (&error); /* FIXME don't raise here */
392 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
394 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args);
397 mono_raise_exception ((MonoException *)exc);
399 mono_method_return_message_restore (method, params, out_args);
405 mono_marshal_get_remoting_invoke (MonoMethod *method)
407 MonoMethodSignature *sig;
408 MonoMethodBuilder *mb;
415 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
418 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
420 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
421 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
422 g_assert (vtable); /*FIXME do proper error handling*/
424 if (!mono_vtable_is_remote (vtable)) {
425 return mono_cominterop_get_invoke (method);
430 sig = mono_signature_no_pinvoke (method);
432 /* we cant remote methods without this pointer */
436 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
439 mono_remoting_marshal_init ();
441 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
444 mb->method->save_lmf = 1;
446 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
448 mono_mb_emit_ptr (mb, method);
449 mono_mb_emit_ldloc (mb, params_var);
450 mono_mb_emit_icall (mb, mono_remoting_wrapper);
451 mono_marshal_emit_thread_interrupt_checkpoint (mb);
453 if (sig->ret->type == MONO_TYPE_VOID) {
454 mono_mb_emit_byte (mb, CEE_POP);
455 mono_mb_emit_byte (mb, CEE_RET);
457 mono_mb_emit_restore_result (mb, sig->ret);
461 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
462 info->d.remoting.method = method;
463 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
469 /* mono_marshal_xdomain_copy_out_value()
470 * Copies the contents of the src instance into the dst instance. src and dst
471 * must have the same type, and if they are arrays, the same size.
474 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
476 if (src == NULL || dst == NULL) return;
478 g_assert (mono_object_class (src) == mono_object_class (dst));
480 switch (mono_object_class (src)->byval_arg.type) {
481 case MONO_TYPE_ARRAY:
482 case MONO_TYPE_SZARRAY: {
483 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
484 if (mt == MONO_MARSHAL_SERIALIZE) return;
485 if (mt == MONO_MARSHAL_COPY) {
486 int i, len = mono_array_length ((MonoArray *)dst);
487 for (i = 0; i < len; i++) {
488 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
489 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
492 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
503 #if !defined (DISABLE_JIT)
505 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
507 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
508 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
512 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
514 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
518 /* mono_marshal_supports_fast_xdomain()
519 * Returns TRUE if the method can use the fast xdomain wrapper.
522 mono_marshal_supports_fast_xdomain (MonoMethod *method)
524 return !mono_class_is_contextbound (method->klass) &&
525 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
529 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
531 MonoDomain *current_domain = mono_domain_get ();
532 MonoDomain *domain = mono_domain_get_by_id (id);
534 if (!domain || !mono_domain_set (domain, FALSE))
535 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
538 mono_thread_push_appdomain_ref (domain);
540 mono_thread_pop_appdomain_ref ();
542 return current_domain->domain_id;
545 #if !defined (DISABLE_JIT)
547 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
549 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
552 /* mono_marshal_emit_load_domain_method ()
553 * Loads into the stack a pointer to the code of the provided method for
554 * the current domain.
557 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
559 /* We need a pointer to the method for the running domain (not the domain
560 * that compiles the method).
562 mono_mb_emit_ptr (mb, method);
563 mono_mb_emit_icall (mb, mono_compile_method);
567 /* mono_marshal_check_domain_image ()
568 * Returns TRUE if the image is loaded in the specified
569 * application domain.
572 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
577 MonoDomain *domain = mono_domain_get_by_id (domain_id);
581 mono_domain_assemblies_lock (domain);
582 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
583 ass = (MonoAssembly *)tmp->data;
584 if (ass->image == image)
587 mono_domain_assemblies_unlock (domain);
592 /* mono_marshal_get_xappdomain_dispatch ()
593 * Generates a method that dispatches a method call from another domain into
594 * the current domain.
597 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
599 MonoMethodSignature *sig, *csig;
600 MonoMethodBuilder *mb;
602 int i, j, param_index, copy_locals_base;
603 MonoClass *ret_class = NULL;
604 int loc_array=0, loc_return=0, loc_serialized_exc=0;
605 MonoExceptionClause *main_clause;
607 gboolean copy_return;
610 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
613 sig = mono_method_signature (method);
614 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
617 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
618 csig->params [j++] = &mono_defaults.object_class->byval_arg;
619 csig->params [j++] = &byte_array_class->this_arg;
620 csig->params [j++] = &byte_array_class->this_arg;
621 for (i = 0; i < sig->param_count; i++) {
622 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
623 csig->params [j++] = sig->params [i];
626 csig->ret = sig->ret;
628 csig->ret = &mono_defaults.void_class->byval_arg;
630 csig->hasthis = FALSE;
632 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
633 mb->method->save_lmf = 1;
638 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
639 if (complex_count > 0)
640 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
641 if (sig->ret->type != MONO_TYPE_VOID) {
642 loc_return = mono_mb_add_local (mb, sig->ret);
643 ret_class = mono_class_from_mono_type (sig->ret);
648 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
649 main_clause->try_offset = mono_mb_get_label (mb);
651 /* Clean the call context */
653 mono_mb_emit_byte (mb, CEE_LDNULL);
654 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
655 mono_mb_emit_byte (mb, CEE_POP);
657 /* Deserialize call data */
659 mono_mb_emit_ldarg (mb, 1);
660 mono_mb_emit_byte (mb, CEE_LDIND_REF);
661 mono_mb_emit_byte (mb, CEE_DUP);
662 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
664 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
665 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
667 if (complex_count > 0)
668 mono_mb_emit_stloc (mb, loc_array);
670 mono_mb_emit_byte (mb, CEE_POP);
672 mono_mb_patch_short_branch (mb, pos);
674 /* Get the target object */
676 mono_mb_emit_ldarg (mb, 0);
677 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
679 /* Load the arguments */
681 copy_locals_base = mb->locals;
682 param_index = 3; // Index of the first non-serialized parameter of this wrapper
684 for (i = 0; i < sig->param_count; i++) {
685 MonoType *pt = sig->params [i];
686 MonoClass *pclass = mono_class_from_mono_type (pt);
687 switch (marshal_types [i]) {
688 case MONO_MARSHAL_SERIALIZE: {
689 /* take the value from the serialized array */
690 mono_mb_emit_ldloc (mb, loc_array);
691 mono_mb_emit_icon (mb, j++);
693 if (pclass->valuetype) {
694 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
695 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
697 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
700 if (pclass->valuetype) {
701 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
702 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
703 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
705 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
706 if (pclass != mono_defaults.object_class) {
707 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
713 case MONO_MARSHAL_COPY_OUT: {
714 /* Keep a local copy of the value since we need to copy it back after the call */
715 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
716 mono_mb_emit_ldarg (mb, param_index++);
717 mono_marshal_emit_xdomain_copy_value (mb, pclass);
718 mono_mb_emit_byte (mb, CEE_DUP);
719 mono_mb_emit_stloc (mb, copy_local);
722 case MONO_MARSHAL_COPY: {
723 mono_mb_emit_ldarg (mb, param_index);
725 mono_mb_emit_byte (mb, CEE_DUP);
726 mono_mb_emit_byte (mb, CEE_DUP);
727 mono_mb_emit_byte (mb, CEE_LDIND_REF);
728 mono_marshal_emit_xdomain_copy_value (mb, pclass);
729 mono_mb_emit_byte (mb, CEE_STIND_REF);
731 mono_marshal_emit_xdomain_copy_value (mb, pclass);
736 case MONO_MARSHAL_NONE:
737 mono_mb_emit_ldarg (mb, param_index++);
742 /* Make the call to the real object */
744 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
746 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
748 if (sig->ret->type != MONO_TYPE_VOID)
749 mono_mb_emit_stloc (mb, loc_return);
751 /* copy back MONO_MARSHAL_COPY_OUT parameters */
755 for (i = 0; i < sig->param_count; i++) {
756 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
757 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
758 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
759 mono_mb_emit_ldarg (mb, param_index);
760 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
765 /* Serialize the return values */
767 if (complex_out_count > 0) {
768 /* Reset parameters in the array that don't need to be serialized back */
770 for (i = 0; i < sig->param_count; i++) {
771 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
772 if (!sig->params [i]->byref) {
773 mono_mb_emit_ldloc (mb, loc_array);
774 mono_mb_emit_icon (mb, j);
775 mono_mb_emit_byte (mb, CEE_LDNULL);
776 mono_mb_emit_byte (mb, CEE_STELEM_REF);
781 /* Add the return value to the array */
783 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
784 mono_mb_emit_ldloc (mb, loc_array);
785 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
786 mono_mb_emit_ldloc (mb, loc_return);
788 g_assert (ret_class); /*FIXME properly fail here*/
789 if (ret_class->valuetype) {
790 mono_mb_emit_op (mb, CEE_BOX, ret_class);
792 mono_mb_emit_byte (mb, CEE_STELEM_REF);
797 mono_mb_emit_ldarg (mb, 1);
798 mono_mb_emit_ldloc (mb, loc_array);
799 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
800 mono_mb_emit_byte (mb, CEE_STIND_REF);
801 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
802 mono_mb_emit_ldarg (mb, 1);
803 mono_mb_emit_ldloc (mb, loc_return);
804 if (ret_class->valuetype) {
805 mono_mb_emit_op (mb, CEE_BOX, ret_class);
807 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
808 mono_mb_emit_byte (mb, CEE_STIND_REF);
810 mono_mb_emit_ldarg (mb, 1);
811 mono_mb_emit_byte (mb, CEE_LDNULL);
812 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
813 mono_mb_emit_byte (mb, CEE_STIND_REF);
816 mono_mb_emit_ldarg (mb, 2);
817 mono_mb_emit_byte (mb, CEE_LDNULL);
818 mono_mb_emit_byte (mb, CEE_STIND_REF);
819 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
821 /* Main exception catch */
822 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
823 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
824 main_clause->data.catch_class = mono_defaults.object_class;
827 main_clause->handler_offset = mono_mb_get_label (mb);
828 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
829 mono_mb_emit_stloc (mb, loc_serialized_exc);
830 mono_mb_emit_ldarg (mb, 2);
831 mono_mb_emit_ldloc (mb, loc_serialized_exc);
832 mono_mb_emit_byte (mb, CEE_STIND_REF);
833 mono_mb_emit_branch (mb, CEE_LEAVE);
834 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
837 mono_mb_patch_branch (mb, pos_leave);
840 mono_mb_emit_ldloc (mb, loc_return);
842 mono_mb_emit_byte (mb, CEE_RET);
844 mono_mb_set_clauses (mb, 1, main_clause);
847 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
848 info->d.remoting.method = method;
849 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
855 /* mono_marshal_get_xappdomain_invoke ()
856 * Generates a fast remoting wrapper for cross app domain calls.
859 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
861 MonoMethodSignature *sig;
862 MonoMethodBuilder *mb;
864 int i, j, complex_count, complex_out_count, copy_locals_base;
866 MonoClass *ret_class = NULL;
867 MonoMethod *xdomain_method;
868 int ret_marshal_type = MONO_MARSHAL_NONE;
869 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
870 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
871 int pos, pos_dispatch, pos_noex;
872 gboolean copy_return = FALSE;
877 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
880 /* we cant remote methods without this pointer */
881 if (!mono_method_signature (method)->hasthis)
884 mono_remoting_marshal_init ();
886 if (!mono_marshal_supports_fast_xdomain (method))
887 return mono_marshal_get_remoting_invoke (method);
889 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
892 sig = mono_signature_no_pinvoke (method);
894 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
895 mb->method->save_lmf = 1;
897 /* Count the number of parameters that need to be serialized */
899 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
900 complex_count = complex_out_count = 0;
901 for (i = 0; i < sig->param_count; i++) {
902 MonoType *ptype = sig->params[i];
903 int mt = mono_get_xdomain_marshal_type (ptype);
905 /* If the [Out] attribute is applied to a parameter that can be internally copied,
906 * the copy will be made by reusing the original object instance
908 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
909 mt = MONO_MARSHAL_COPY_OUT;
910 else if (mt == MONO_MARSHAL_SERIALIZE) {
912 if (ptype->byref) complex_out_count++;
914 marshal_types [i] = mt;
917 if (sig->ret->type != MONO_TYPE_VOID) {
918 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
919 ret_class = mono_class_from_mono_type (sig->ret);
920 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
926 if (complex_count > 0)
927 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
928 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
929 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
931 loc_return = mono_mb_add_local (mb, sig->ret);
932 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
933 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
934 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
935 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
937 /* Save thread domain data */
939 mono_mb_emit_icall (mb, mono_context_get);
940 mono_mb_emit_byte (mb, CEE_DUP);
941 mono_mb_emit_stloc (mb, loc_context);
943 /* If the thread is not running in the default context, it needs to go
944 * through the whole remoting sink, since the context is going to change
946 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
947 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
949 /* Another case in which the fast path can't be used: when the target domain
950 * has a different image for the same assembly.
953 /* Get the target domain id */
955 mono_mb_emit_ldarg (mb, 0);
956 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
957 mono_mb_emit_byte (mb, CEE_LDIND_REF);
958 mono_mb_emit_byte (mb, CEE_DUP);
959 mono_mb_emit_stloc (mb, loc_real_proxy);
961 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
962 mono_mb_emit_byte (mb, CEE_LDIND_I4);
963 mono_mb_emit_stloc (mb, loc_domainid);
965 /* Check if the target domain has the same image for the required assembly */
967 mono_mb_emit_ldloc (mb, loc_domainid);
968 mono_mb_emit_ptr (mb, method->klass->image);
969 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
970 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
972 /* Use the whole remoting sink to dispatch this message */
974 mono_mb_patch_short_branch (mb, pos);
976 mono_mb_emit_ldarg (mb, 0);
977 for (i = 0; i < sig->param_count; i++)
978 mono_mb_emit_ldarg (mb, i + 1);
980 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
981 mono_mb_emit_byte (mb, CEE_RET);
982 mono_mb_patch_short_branch (mb, pos_dispatch);
984 /* Create the array that will hold the parameters to be serialized */
986 if (complex_count > 0) {
987 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 */
988 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
991 for (i = 0; i < sig->param_count; i++) {
993 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
994 pclass = mono_class_from_mono_type (sig->params[i]);
995 mono_mb_emit_byte (mb, CEE_DUP);
996 mono_mb_emit_icon (mb, j);
997 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
998 if (sig->params[i]->byref) {
999 if (pclass->valuetype)
1000 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1002 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1004 if (pclass->valuetype)
1005 mono_mb_emit_op (mb, CEE_BOX, pclass);
1006 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1009 mono_mb_emit_stloc (mb, loc_array);
1011 /* Serialize parameters */
1013 mono_mb_emit_ldloc (mb, loc_array);
1014 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1015 mono_mb_emit_stloc (mb, loc_serialized_data);
1017 mono_mb_emit_byte (mb, CEE_LDNULL);
1018 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1019 mono_mb_emit_stloc (mb, loc_serialized_data);
1024 mono_mb_emit_ldloc (mb, loc_domainid);
1025 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1026 mono_marshal_emit_switch_domain (mb);
1027 mono_mb_emit_stloc (mb, loc_old_domainid);
1029 /* Load the arguments */
1031 mono_mb_emit_ldloc (mb, loc_real_proxy);
1032 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1033 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1035 copy_locals_base = mb->locals;
1036 for (i = 0; i < sig->param_count; i++) {
1037 switch (marshal_types [i]) {
1038 case MONO_MARSHAL_SERIALIZE:
1040 case MONO_MARSHAL_COPY: {
1041 mono_mb_emit_ldarg (mb, i+1);
1042 if (sig->params [i]->byref) {
1043 /* make a local copy of the byref parameter. The real parameter
1044 * will be updated after the xdomain call
1046 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1047 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1048 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1049 mono_mb_emit_stloc (mb, copy_local);
1050 mono_mb_emit_ldloc_addr (mb, copy_local);
1054 case MONO_MARSHAL_COPY_OUT:
1055 case MONO_MARSHAL_NONE:
1056 mono_mb_emit_ldarg (mb, i+1);
1061 /* Make the call to the invoke wrapper in the target domain */
1063 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1064 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1065 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1068 mono_mb_emit_stloc (mb, loc_return);
1072 mono_mb_emit_ldloc (mb, loc_old_domainid);
1073 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1074 mono_marshal_emit_switch_domain (mb);
1075 mono_mb_emit_byte (mb, CEE_POP);
1077 /* Restore thread domain data */
1079 mono_mb_emit_ldloc (mb, loc_context);
1080 mono_mb_emit_icall (mb, mono_context_set);
1082 /* if (loc_serialized_exc != null) ... */
1084 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1085 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1087 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1088 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1089 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1090 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1091 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1092 mono_mb_emit_byte (mb, CEE_THROW);
1093 mono_mb_patch_short_branch (mb, pos_noex);
1095 /* copy back non-serialized output parameters */
1098 for (i = 0; i < sig->param_count; i++) {
1099 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1100 mono_mb_emit_ldarg (mb, i + 1);
1101 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1102 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1103 mono_mb_emit_byte (mb, CEE_STIND_REF);
1106 /* Deserialize out parameters */
1108 if (complex_out_count > 0) {
1109 mono_mb_emit_ldloc (mb, loc_serialized_data);
1110 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1111 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1112 mono_mb_emit_stloc (mb, loc_array);
1114 /* Copy back output parameters and return type */
1117 for (i = 0; i < sig->param_count; i++) {
1118 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1119 if (sig->params[i]->byref) {
1120 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1121 mono_mb_emit_ldarg (mb, i + 1);
1122 mono_mb_emit_ldloc (mb, loc_array);
1123 mono_mb_emit_icon (mb, j);
1124 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1125 if (pclass->valuetype) {
1126 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1127 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1128 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1130 if (pclass != mono_defaults.object_class)
1131 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1132 mono_mb_emit_byte (mb, CEE_STIND_REF);
1138 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1139 mono_mb_emit_ldloc (mb, loc_array);
1140 mono_mb_emit_icon (mb, complex_count);
1141 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1142 if (ret_class->valuetype) {
1143 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1144 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1147 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1148 mono_mb_emit_ldloc (mb, loc_serialized_data);
1149 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1150 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1151 if (ret_class->valuetype) {
1152 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1153 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1154 } else if (ret_class != mono_defaults.object_class) {
1155 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1158 mono_mb_emit_ldloc (mb, loc_serialized_data);
1159 mono_mb_emit_byte (mb, CEE_DUP);
1160 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1161 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1163 mono_mb_patch_short_branch (mb, pos);
1164 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1165 mono_mb_emit_byte (mb, CEE_POP);
1169 mono_mb_emit_ldloc (mb, loc_return);
1170 if (ret_marshal_type == MONO_MARSHAL_COPY)
1171 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1174 mono_mb_emit_byte (mb, CEE_RET);
1175 #endif /* DISABLE_JIT */
1177 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1178 info->d.remoting.method = method;
1179 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1186 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1188 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1189 return mono_marshal_get_xappdomain_invoke (method);
1190 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1192 return mono_cominterop_get_invoke (method);
1194 g_assert_not_reached ();
1197 return mono_marshal_get_remoting_invoke (method);
1203 G_GNUC_UNUSED static gpointer
1204 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1206 if (rp->target_domain_id != -1)
1207 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1209 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1213 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1215 MonoMethodSignature *sig;
1216 MonoMethodBuilder *mb;
1217 MonoMethod *res, *native;
1219 int i, pos, pos_rem;
1223 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1226 /* we cant remote methods without this pointer */
1227 g_assert (mono_method_signature (method)->hasthis);
1229 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1232 sig = mono_signature_no_pinvoke (method);
1234 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1237 for (i = 0; i <= sig->param_count; i++)
1238 mono_mb_emit_ldarg (mb, i);
1240 mono_mb_emit_ldarg (mb, 0);
1241 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1243 if (mono_marshal_supports_fast_xdomain (method)) {
1244 mono_mb_emit_ldarg (mb, 0);
1245 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1247 /* wrapper for cross app domain calls */
1248 native = mono_marshal_get_xappdomain_invoke (method);
1249 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1250 mono_mb_emit_byte (mb, CEE_RET);
1252 mono_mb_patch_branch (mb, pos_rem);
1254 /* wrapper for normal remote calls */
1255 native = mono_marshal_get_remoting_invoke (method);
1256 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1257 mono_mb_emit_byte (mb, CEE_RET);
1260 mono_mb_patch_branch (mb, pos);
1261 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1262 mono_mb_emit_byte (mb, CEE_RET);
1265 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1266 info->d.remoting.method = method;
1267 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1274 * mono_marshal_get_ldfld_remote_wrapper:
1275 * @klass: The return type
1277 * This method generates a wrapper for calling mono_load_remote_field_new.
1278 * The return type is ignored for now, as mono_load_remote_field_new () always
1279 * returns an object. In the future, to optimize some codepaths, we might
1280 * call a different function that takes a pointer to a valuetype, instead.
1283 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1285 MonoMethodSignature *sig, *csig;
1286 MonoMethodBuilder *mb;
1288 static MonoMethod* cached = NULL;
1290 mono_marshal_lock_internal ();
1292 mono_marshal_unlock_internal ();
1295 mono_marshal_unlock_internal ();
1297 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1299 mb->method->save_lmf = 1;
1301 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1302 sig->params [0] = &mono_defaults.object_class->byval_arg;
1303 sig->params [1] = &mono_defaults.int_class->byval_arg;
1304 sig->params [2] = &mono_defaults.int_class->byval_arg;
1305 sig->ret = &mono_defaults.object_class->byval_arg;
1308 mono_mb_emit_ldarg (mb, 0);
1309 mono_mb_emit_ldarg (mb, 1);
1310 mono_mb_emit_ldarg (mb, 2);
1312 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1313 csig->params [0] = &mono_defaults.object_class->byval_arg;
1314 csig->params [1] = &mono_defaults.int_class->byval_arg;
1315 csig->params [2] = &mono_defaults.int_class->byval_arg;
1316 csig->ret = &mono_defaults.object_class->byval_arg;
1319 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1320 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1322 mono_mb_emit_byte (mb, CEE_RET);
1325 mono_marshal_lock_internal ();
1327 mono_marshal_unlock_internal ();
1330 newm = mono_mb_create (mb, sig, 4, NULL);
1331 mono_marshal_lock_internal ();
1336 mono_marshal_unlock_internal ();
1338 mono_marshal_unlock_internal ();
1339 mono_free_method (newm);
1348 * mono_marshal_get_ldfld_wrapper:
1349 * @type: the type of the field
1351 * This method generates a function which can be use to load a field with type
1352 * @type from an object. The generated function has the following signature:
1353 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1356 mono_marshal_get_ldfld_wrapper (MonoType *type)
1358 MonoMethodSignature *sig;
1359 MonoMethodBuilder *mb;
1365 int t, pos0, pos1 = 0;
1367 type = mono_type_get_underlying_type (type);
1372 if (type->type == MONO_TYPE_SZARRAY) {
1373 klass = mono_defaults.array_class;
1374 } else if (type->type == MONO_TYPE_VALUETYPE) {
1375 klass = type->data.klass;
1376 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1377 klass = mono_defaults.object_class;
1378 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1379 klass = mono_defaults.int_class;
1380 } else if (t == MONO_TYPE_GENERICINST) {
1381 if (mono_type_generic_inst_is_valuetype (type))
1382 klass = mono_class_from_mono_type (type);
1384 klass = mono_defaults.object_class;
1386 klass = mono_class_from_mono_type (type);
1389 klass = mono_defaults.int_class;
1392 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1393 if ((res = mono_marshal_find_in_cache (cache, klass)))
1396 /* we add the %p pointer value of klass because class names are not unique */
1397 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1398 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1401 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1402 sig->params [0] = &mono_defaults.object_class->byval_arg;
1403 sig->params [1] = &mono_defaults.int_class->byval_arg;
1404 sig->params [2] = &mono_defaults.int_class->byval_arg;
1405 sig->params [3] = &mono_defaults.int_class->byval_arg;
1406 sig->ret = &klass->byval_arg;
1409 mono_mb_emit_ldarg (mb, 0);
1410 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1412 mono_mb_emit_ldarg (mb, 0);
1413 mono_mb_emit_ldarg (mb, 1);
1414 mono_mb_emit_ldarg (mb, 2);
1416 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1419 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1420 csig->params [0] = &mono_defaults.object_class->byval_arg;
1421 csig->params [1] = &mono_defaults.int_class->byval_arg;
1422 csig->params [2] = &mono_defaults.int_class->byval_arg;
1423 csig->ret = &klass->this_arg;
1426 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1427 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1430 if (klass->valuetype) {
1431 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1432 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1434 mono_mb_emit_byte (mb, CEE_RET);
1437 mono_mb_patch_branch (mb, pos0);
1439 mono_mb_emit_ldarg (mb, 0);
1440 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1441 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1442 mono_mb_emit_ldarg (mb, 3);
1443 mono_mb_emit_byte (mb, CEE_ADD);
1445 if (klass->valuetype)
1446 mono_mb_patch_branch (mb, pos1);
1451 case MONO_TYPE_BOOLEAN:
1452 case MONO_TYPE_CHAR:
1461 case MONO_TYPE_ARRAY:
1462 case MONO_TYPE_SZARRAY:
1463 case MONO_TYPE_OBJECT:
1464 case MONO_TYPE_CLASS:
1465 case MONO_TYPE_STRING:
1469 case MONO_TYPE_FNPTR:
1470 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1472 case MONO_TYPE_VALUETYPE:
1473 g_assert (!klass->enumtype);
1474 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1476 case MONO_TYPE_GENERICINST:
1477 if (mono_type_generic_inst_is_valuetype (type)) {
1478 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1480 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1484 case MONO_TYPE_MVAR:
1485 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1488 g_warning ("type %x not implemented", type->type);
1489 g_assert_not_reached ();
1492 mono_mb_emit_byte (mb, CEE_RET);
1493 #endif /* DISABLE_JIT */
1495 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1496 info->d.proxy.klass = klass;
1497 res = mono_mb_create_and_cache_full (cache, klass,
1498 mb, sig, sig->param_count + 16, info, NULL);
1505 * mono_marshal_get_ldflda_wrapper:
1506 * @type: the type of the field
1508 * This method generates a function which can be used to load a field address
1509 * from an object. The generated function has the following signature:
1510 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1513 mono_marshal_get_ldflda_wrapper (MonoType *type)
1515 MonoMethodSignature *sig;
1516 MonoMethodBuilder *mb;
1522 int t, pos0, pos1, pos2, pos3;
1524 type = mono_type_get_underlying_type (type);
1528 if (type->type == MONO_TYPE_SZARRAY) {
1529 klass = mono_defaults.array_class;
1530 } else if (type->type == MONO_TYPE_VALUETYPE) {
1531 klass = type->data.klass;
1532 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1533 t == MONO_TYPE_CLASS) {
1534 klass = mono_defaults.object_class;
1535 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1536 klass = mono_defaults.int_class;
1537 } else if (t == MONO_TYPE_GENERICINST) {
1538 if (mono_type_generic_inst_is_valuetype (type))
1539 klass = mono_class_from_mono_type (type);
1541 klass = mono_defaults.object_class;
1543 klass = mono_class_from_mono_type (type);
1546 klass = mono_defaults.int_class;
1549 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1550 if ((res = mono_marshal_find_in_cache (cache, klass)))
1553 /* we add the %p pointer value of klass because class names are not unique */
1554 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1555 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1558 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1559 sig->params [0] = &mono_defaults.object_class->byval_arg;
1560 sig->params [1] = &mono_defaults.int_class->byval_arg;
1561 sig->params [2] = &mono_defaults.int_class->byval_arg;
1562 sig->params [3] = &mono_defaults.int_class->byval_arg;
1563 sig->ret = &mono_defaults.int_class->byval_arg;
1566 /* if typeof (this) != transparent_proxy goto pos0 */
1567 mono_mb_emit_ldarg (mb, 0);
1568 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1570 /* if same_appdomain goto pos1 */
1571 mono_mb_emit_ldarg (mb, 0);
1572 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1574 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1576 /* same app domain */
1577 mono_mb_patch_branch (mb, pos1);
1579 /* if typeof (this) != contextbound goto pos2 */
1580 mono_mb_emit_ldarg (mb, 0);
1581 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1583 /* if this->rp->context == mono_context_get goto pos3 */
1584 mono_mb_emit_ldarg (mb, 0);
1585 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1586 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1587 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1588 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1589 mono_mb_emit_icall (mb, mono_context_get);
1590 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1592 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1594 mono_mb_patch_branch (mb, pos2);
1595 mono_mb_patch_branch (mb, pos3);
1597 /* return the address of the field from this->rp->unwrapped_server */
1598 mono_mb_emit_ldarg (mb, 0);
1599 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1600 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1601 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1602 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1603 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1604 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1605 mono_mb_emit_ldarg (mb, 3);
1606 mono_mb_emit_byte (mb, CEE_ADD);
1607 mono_mb_emit_byte (mb, CEE_RET);
1609 /* not a proxy: return the address of the field directly */
1610 mono_mb_patch_branch (mb, pos0);
1612 mono_mb_emit_ldarg (mb, 0);
1613 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1614 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1615 mono_mb_emit_ldarg (mb, 3);
1616 mono_mb_emit_byte (mb, CEE_ADD);
1618 mono_mb_emit_byte (mb, CEE_RET);
1621 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1622 info->d.proxy.klass = klass;
1623 res = mono_mb_create_and_cache_full (cache, klass,
1624 mb, sig, sig->param_count + 16,
1632 * mono_marshal_get_stfld_remote_wrapper:
1633 * klass: The type of the field
1635 * This function generates a wrapper for calling mono_store_remote_field_new
1636 * with the appropriate signature.
1637 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1638 * klass argument anymore.
1641 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1643 MonoMethodSignature *sig, *csig;
1644 MonoMethodBuilder *mb;
1646 static MonoMethod *cached = NULL;
1648 mono_marshal_lock_internal ();
1650 mono_marshal_unlock_internal ();
1653 mono_marshal_unlock_internal ();
1655 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1657 mb->method->save_lmf = 1;
1659 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1660 sig->params [0] = &mono_defaults.object_class->byval_arg;
1661 sig->params [1] = &mono_defaults.int_class->byval_arg;
1662 sig->params [2] = &mono_defaults.int_class->byval_arg;
1663 sig->params [3] = &mono_defaults.object_class->byval_arg;
1664 sig->ret = &mono_defaults.void_class->byval_arg;
1667 mono_mb_emit_ldarg (mb, 0);
1668 mono_mb_emit_ldarg (mb, 1);
1669 mono_mb_emit_ldarg (mb, 2);
1670 mono_mb_emit_ldarg (mb, 3);
1672 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1673 csig->params [0] = &mono_defaults.object_class->byval_arg;
1674 csig->params [1] = &mono_defaults.int_class->byval_arg;
1675 csig->params [2] = &mono_defaults.int_class->byval_arg;
1676 csig->params [3] = &mono_defaults.object_class->byval_arg;
1677 csig->ret = &mono_defaults.void_class->byval_arg;
1680 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1681 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1683 mono_mb_emit_byte (mb, CEE_RET);
1686 mono_marshal_lock_internal ();
1688 mono_marshal_unlock_internal ();
1691 newm = mono_mb_create (mb, sig, 6, NULL);
1692 mono_marshal_lock_internal ();
1697 mono_marshal_unlock_internal ();
1699 mono_marshal_unlock_internal ();
1700 mono_free_method (newm);
1709 * mono_marshal_get_stfld_wrapper:
1710 * @type: the type of the field
1712 * This method generates a function which can be use to store a field with type
1713 * @type. The generated function has the following signature:
1714 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1717 mono_marshal_get_stfld_wrapper (MonoType *type)
1719 MonoMethodSignature *sig;
1720 MonoMethodBuilder *mb;
1728 type = mono_type_get_underlying_type (type);
1732 if (type->type == MONO_TYPE_SZARRAY) {
1733 klass = mono_defaults.array_class;
1734 } else if (type->type == MONO_TYPE_VALUETYPE) {
1735 klass = type->data.klass;
1736 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1737 klass = mono_defaults.object_class;
1738 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1739 klass = mono_defaults.int_class;
1740 } else if (t == MONO_TYPE_GENERICINST) {
1741 if (mono_type_generic_inst_is_valuetype (type))
1742 klass = mono_class_from_mono_type (type);
1744 klass = mono_defaults.object_class;
1746 klass = mono_class_from_mono_type (type);
1749 klass = mono_defaults.int_class;
1752 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1753 if ((res = mono_marshal_find_in_cache (cache, klass)))
1756 /* we add the %p pointer value of klass because class names are not unique */
1757 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1758 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1761 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1762 sig->params [0] = &mono_defaults.object_class->byval_arg;
1763 sig->params [1] = &mono_defaults.int_class->byval_arg;
1764 sig->params [2] = &mono_defaults.int_class->byval_arg;
1765 sig->params [3] = &mono_defaults.int_class->byval_arg;
1766 sig->params [4] = &klass->byval_arg;
1767 sig->ret = &mono_defaults.void_class->byval_arg;
1770 mono_mb_emit_ldarg (mb, 0);
1771 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1773 mono_mb_emit_ldarg (mb, 0);
1774 mono_mb_emit_ldarg (mb, 1);
1775 mono_mb_emit_ldarg (mb, 2);
1776 mono_mb_emit_ldarg (mb, 4);
1777 if (klass->valuetype)
1778 mono_mb_emit_op (mb, CEE_BOX, klass);
1780 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1782 mono_mb_emit_byte (mb, CEE_RET);
1784 mono_mb_patch_branch (mb, pos);
1786 mono_mb_emit_ldarg (mb, 0);
1787 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1788 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1789 mono_mb_emit_ldarg (mb, 3);
1790 mono_mb_emit_byte (mb, CEE_ADD);
1791 mono_mb_emit_ldarg (mb, 4);
1796 case MONO_TYPE_BOOLEAN:
1797 case MONO_TYPE_CHAR:
1806 case MONO_TYPE_ARRAY:
1807 case MONO_TYPE_SZARRAY:
1808 case MONO_TYPE_OBJECT:
1809 case MONO_TYPE_CLASS:
1810 case MONO_TYPE_STRING:
1814 case MONO_TYPE_FNPTR:
1815 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1817 case MONO_TYPE_VALUETYPE:
1818 g_assert (!klass->enumtype);
1819 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1821 case MONO_TYPE_GENERICINST:
1823 case MONO_TYPE_MVAR:
1824 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1827 g_warning ("type %x not implemented", type->type);
1828 g_assert_not_reached ();
1831 mono_mb_emit_byte (mb, CEE_RET);
1834 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1835 info->d.proxy.klass = klass;
1836 res = mono_mb_create_and_cache_full (cache, klass,
1837 mb, sig, sig->param_count + 16,
1845 mono_marshal_get_proxy_cancast (MonoClass *klass)
1847 static MonoMethodSignature *isint_sig = NULL;
1851 int pos_failed, pos_end;
1852 char *name, *klass_name;
1853 MonoMethod *can_cast_to;
1854 MonoMethodDesc *desc;
1855 MonoMethodBuilder *mb;
1857 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1858 if ((res = mono_marshal_find_in_cache (cache, klass)))
1862 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1863 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1864 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1865 isint_sig->pinvoke = 0;
1868 klass_name = mono_type_full_name (&klass->byval_arg);
1869 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1870 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1871 g_free (klass_name);
1874 mb->method->save_lmf = 1;
1877 /* get the real proxy from the transparent proxy*/
1878 mono_mb_emit_ldarg (mb, 0);
1879 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1880 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1882 /* get the reflection type from the type handle */
1883 mono_mb_emit_ptr (mb, &klass->byval_arg);
1884 mono_mb_emit_icall (mb, type_from_handle);
1886 mono_mb_emit_ldarg (mb, 0);
1888 /* make the call to CanCastTo (type, ob) */
1889 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1890 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1891 g_assert (can_cast_to);
1892 mono_method_desc_free (desc);
1893 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1895 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1897 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1898 mono_mb_emit_ptr (mb, &klass->byval_arg);
1899 mono_mb_emit_icall (mb, type_from_handle);
1900 mono_mb_emit_ldarg (mb, 0);
1902 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1903 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1905 mono_mb_emit_ldarg (mb, 0);
1906 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1910 mono_mb_patch_branch (mb, pos_failed);
1911 mono_mb_emit_byte (mb, CEE_LDNULL);
1915 mono_mb_patch_branch (mb, pos_end);
1916 mono_mb_emit_byte (mb, CEE_RET);
1919 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1920 info->d.proxy.klass = klass;
1921 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1928 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1931 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1932 klass = mono_class_from_mono_type (rtype->type);
1933 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1936 #else /* DISABLE_REMOTING */
1939 mono_remoting_init (void)
1943 #endif /* DISABLE_REMOTING */
1945 /* mono_get_xdomain_marshal_type()
1946 * Returns the kind of marshalling that a type needs for cross domain calls.
1948 static MonoXDomainMarshalType
1949 mono_get_xdomain_marshal_type (MonoType *t)
1952 case MONO_TYPE_VOID:
1953 g_assert_not_reached ();
1957 case MONO_TYPE_BOOLEAN:
1960 case MONO_TYPE_CHAR:
1967 return MONO_MARSHAL_NONE;
1968 case MONO_TYPE_STRING:
1969 return MONO_MARSHAL_COPY;
1970 case MONO_TYPE_ARRAY:
1971 case MONO_TYPE_SZARRAY: {
1972 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1973 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1974 return MONO_MARSHAL_COPY;
1980 return MONO_MARSHAL_SERIALIZE;
1983 /* mono_marshal_xdomain_copy_value
1984 * Makes a copy of "val" suitable for the current domain.
1987 mono_marshal_xdomain_copy_value (MonoObject *val)
1991 if (val == NULL) return NULL;
1993 domain = mono_domain_get ();
1995 switch (mono_object_class (val)->byval_arg.type) {
1996 case MONO_TYPE_VOID:
1997 g_assert_not_reached ();
2001 case MONO_TYPE_BOOLEAN:
2004 case MONO_TYPE_CHAR:
2010 case MONO_TYPE_R8: {
2011 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2013 case MONO_TYPE_STRING: {
2014 MonoString *str = (MonoString *) val;
2015 MonoObject *res = NULL;
2016 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2017 mono_error_raise_exception (&error); /* FIXME don't raise here */
2020 case MONO_TYPE_ARRAY:
2021 case MONO_TYPE_SZARRAY: {
2023 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2024 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2025 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2026 if (mt == MONO_MARSHAL_COPY) {
2027 int i, len = mono_array_length (acopy);
2028 for (i = 0; i < len; i++) {
2029 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2030 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2033 return (MonoObject *) acopy;