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, &error);
378 mono_error_raise_exception (&error); /* FIXME don't raise here */
380 mparams[i] = params [i];
383 mparams[i] = *((gpointer**)params [i]);
387 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
388 mono_error_raise_exception (&error); /* FIXME don't raise here */
393 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
395 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
396 mono_error_raise_exception (&error); /* FIXME don't raise here */
399 mono_raise_exception ((MonoException *)exc);
401 mono_method_return_message_restore (method, params, out_args);
407 mono_marshal_get_remoting_invoke (MonoMethod *method)
409 MonoMethodSignature *sig;
410 MonoMethodBuilder *mb;
417 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
420 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
422 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
423 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
424 g_assert (vtable); /*FIXME do proper error handling*/
426 if (!mono_vtable_is_remote (vtable)) {
427 return mono_cominterop_get_invoke (method);
432 sig = mono_signature_no_pinvoke (method);
434 /* we cant remote methods without this pointer */
438 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
441 mono_remoting_marshal_init ();
443 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
446 mb->method->save_lmf = 1;
448 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
450 mono_mb_emit_ptr (mb, method);
451 mono_mb_emit_ldloc (mb, params_var);
452 mono_mb_emit_icall (mb, mono_remoting_wrapper);
453 mono_marshal_emit_thread_interrupt_checkpoint (mb);
455 if (sig->ret->type == MONO_TYPE_VOID) {
456 mono_mb_emit_byte (mb, CEE_POP);
457 mono_mb_emit_byte (mb, CEE_RET);
459 mono_mb_emit_restore_result (mb, sig->ret);
463 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
464 info->d.remoting.method = method;
465 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
471 /* mono_marshal_xdomain_copy_out_value()
472 * Copies the contents of the src instance into the dst instance. src and dst
473 * must have the same type, and if they are arrays, the same size.
476 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
478 if (src == NULL || dst == NULL) return;
480 g_assert (mono_object_class (src) == mono_object_class (dst));
482 switch (mono_object_class (src)->byval_arg.type) {
483 case MONO_TYPE_ARRAY:
484 case MONO_TYPE_SZARRAY: {
485 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
486 if (mt == MONO_MARSHAL_SERIALIZE) return;
487 if (mt == MONO_MARSHAL_COPY) {
488 int i, len = mono_array_length ((MonoArray *)dst);
489 for (i = 0; i < len; i++) {
490 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
491 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
494 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
505 #if !defined (DISABLE_JIT)
507 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
509 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
510 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
514 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
516 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
520 /* mono_marshal_supports_fast_xdomain()
521 * Returns TRUE if the method can use the fast xdomain wrapper.
524 mono_marshal_supports_fast_xdomain (MonoMethod *method)
526 return !mono_class_is_contextbound (method->klass) &&
527 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
531 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
533 MonoDomain *current_domain = mono_domain_get ();
534 MonoDomain *domain = mono_domain_get_by_id (id);
536 if (!domain || !mono_domain_set (domain, FALSE))
537 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
540 mono_thread_push_appdomain_ref (domain);
542 mono_thread_pop_appdomain_ref ();
544 return current_domain->domain_id;
547 #if !defined (DISABLE_JIT)
549 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
551 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
554 /* mono_marshal_emit_load_domain_method ()
555 * Loads into the stack a pointer to the code of the provided method for
556 * the current domain.
559 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
561 /* We need a pointer to the method for the running domain (not the domain
562 * that compiles the method).
564 mono_mb_emit_ptr (mb, method);
565 mono_mb_emit_icall (mb, mono_compile_method);
569 /* mono_marshal_check_domain_image ()
570 * Returns TRUE if the image is loaded in the specified
571 * application domain.
574 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
579 MonoDomain *domain = mono_domain_get_by_id (domain_id);
583 mono_domain_assemblies_lock (domain);
584 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
585 ass = (MonoAssembly *)tmp->data;
586 if (ass->image == image)
589 mono_domain_assemblies_unlock (domain);
594 /* mono_marshal_get_xappdomain_dispatch ()
595 * Generates a method that dispatches a method call from another domain into
596 * the current domain.
599 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
601 MonoMethodSignature *sig, *csig;
602 MonoMethodBuilder *mb;
604 int i, j, param_index, copy_locals_base;
605 MonoClass *ret_class = NULL;
606 int loc_array=0, loc_return=0, loc_serialized_exc=0;
607 MonoExceptionClause *main_clause;
609 gboolean copy_return;
612 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
615 sig = mono_method_signature (method);
616 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
619 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
620 csig->params [j++] = &mono_defaults.object_class->byval_arg;
621 csig->params [j++] = &byte_array_class->this_arg;
622 csig->params [j++] = &byte_array_class->this_arg;
623 for (i = 0; i < sig->param_count; i++) {
624 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
625 csig->params [j++] = sig->params [i];
628 csig->ret = sig->ret;
630 csig->ret = &mono_defaults.void_class->byval_arg;
632 csig->hasthis = FALSE;
634 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
635 mb->method->save_lmf = 1;
640 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
641 if (complex_count > 0)
642 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
643 if (sig->ret->type != MONO_TYPE_VOID) {
644 loc_return = mono_mb_add_local (mb, sig->ret);
645 ret_class = mono_class_from_mono_type (sig->ret);
650 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
651 main_clause->try_offset = mono_mb_get_label (mb);
653 /* Clean the call context */
655 mono_mb_emit_byte (mb, CEE_LDNULL);
656 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
657 mono_mb_emit_byte (mb, CEE_POP);
659 /* Deserialize call data */
661 mono_mb_emit_ldarg (mb, 1);
662 mono_mb_emit_byte (mb, CEE_LDIND_REF);
663 mono_mb_emit_byte (mb, CEE_DUP);
664 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
666 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
667 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
669 if (complex_count > 0)
670 mono_mb_emit_stloc (mb, loc_array);
672 mono_mb_emit_byte (mb, CEE_POP);
674 mono_mb_patch_short_branch (mb, pos);
676 /* Get the target object */
678 mono_mb_emit_ldarg (mb, 0);
679 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
681 /* Load the arguments */
683 copy_locals_base = mb->locals;
684 param_index = 3; // Index of the first non-serialized parameter of this wrapper
686 for (i = 0; i < sig->param_count; i++) {
687 MonoType *pt = sig->params [i];
688 MonoClass *pclass = mono_class_from_mono_type (pt);
689 switch (marshal_types [i]) {
690 case MONO_MARSHAL_SERIALIZE: {
691 /* take the value from the serialized array */
692 mono_mb_emit_ldloc (mb, loc_array);
693 mono_mb_emit_icon (mb, j++);
695 if (pclass->valuetype) {
696 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
697 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
699 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
702 if (pclass->valuetype) {
703 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
704 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
705 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
707 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
708 if (pclass != mono_defaults.object_class) {
709 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
715 case MONO_MARSHAL_COPY_OUT: {
716 /* Keep a local copy of the value since we need to copy it back after the call */
717 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
718 mono_mb_emit_ldarg (mb, param_index++);
719 mono_marshal_emit_xdomain_copy_value (mb, pclass);
720 mono_mb_emit_byte (mb, CEE_DUP);
721 mono_mb_emit_stloc (mb, copy_local);
724 case MONO_MARSHAL_COPY: {
725 mono_mb_emit_ldarg (mb, param_index);
727 mono_mb_emit_byte (mb, CEE_DUP);
728 mono_mb_emit_byte (mb, CEE_DUP);
729 mono_mb_emit_byte (mb, CEE_LDIND_REF);
730 mono_marshal_emit_xdomain_copy_value (mb, pclass);
731 mono_mb_emit_byte (mb, CEE_STIND_REF);
733 mono_marshal_emit_xdomain_copy_value (mb, pclass);
738 case MONO_MARSHAL_NONE:
739 mono_mb_emit_ldarg (mb, param_index++);
744 /* Make the call to the real object */
746 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
748 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
750 if (sig->ret->type != MONO_TYPE_VOID)
751 mono_mb_emit_stloc (mb, loc_return);
753 /* copy back MONO_MARSHAL_COPY_OUT parameters */
757 for (i = 0; i < sig->param_count; i++) {
758 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
759 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
760 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
761 mono_mb_emit_ldarg (mb, param_index);
762 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
767 /* Serialize the return values */
769 if (complex_out_count > 0) {
770 /* Reset parameters in the array that don't need to be serialized back */
772 for (i = 0; i < sig->param_count; i++) {
773 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
774 if (!sig->params [i]->byref) {
775 mono_mb_emit_ldloc (mb, loc_array);
776 mono_mb_emit_icon (mb, j);
777 mono_mb_emit_byte (mb, CEE_LDNULL);
778 mono_mb_emit_byte (mb, CEE_STELEM_REF);
783 /* Add the return value to the array */
785 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
786 mono_mb_emit_ldloc (mb, loc_array);
787 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
788 mono_mb_emit_ldloc (mb, loc_return);
790 g_assert (ret_class); /*FIXME properly fail here*/
791 if (ret_class->valuetype) {
792 mono_mb_emit_op (mb, CEE_BOX, ret_class);
794 mono_mb_emit_byte (mb, CEE_STELEM_REF);
799 mono_mb_emit_ldarg (mb, 1);
800 mono_mb_emit_ldloc (mb, loc_array);
801 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
802 mono_mb_emit_byte (mb, CEE_STIND_REF);
803 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
804 mono_mb_emit_ldarg (mb, 1);
805 mono_mb_emit_ldloc (mb, loc_return);
806 if (ret_class->valuetype) {
807 mono_mb_emit_op (mb, CEE_BOX, ret_class);
809 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
810 mono_mb_emit_byte (mb, CEE_STIND_REF);
812 mono_mb_emit_ldarg (mb, 1);
813 mono_mb_emit_byte (mb, CEE_LDNULL);
814 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
815 mono_mb_emit_byte (mb, CEE_STIND_REF);
818 mono_mb_emit_ldarg (mb, 2);
819 mono_mb_emit_byte (mb, CEE_LDNULL);
820 mono_mb_emit_byte (mb, CEE_STIND_REF);
821 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
823 /* Main exception catch */
824 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
825 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
826 main_clause->data.catch_class = mono_defaults.object_class;
829 main_clause->handler_offset = mono_mb_get_label (mb);
830 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
831 mono_mb_emit_stloc (mb, loc_serialized_exc);
832 mono_mb_emit_ldarg (mb, 2);
833 mono_mb_emit_ldloc (mb, loc_serialized_exc);
834 mono_mb_emit_byte (mb, CEE_STIND_REF);
835 mono_mb_emit_branch (mb, CEE_LEAVE);
836 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
839 mono_mb_patch_branch (mb, pos_leave);
842 mono_mb_emit_ldloc (mb, loc_return);
844 mono_mb_emit_byte (mb, CEE_RET);
846 mono_mb_set_clauses (mb, 1, main_clause);
849 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
850 info->d.remoting.method = method;
851 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
857 /* mono_marshal_get_xappdomain_invoke ()
858 * Generates a fast remoting wrapper for cross app domain calls.
861 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
863 MonoMethodSignature *sig;
864 MonoMethodBuilder *mb;
866 int i, j, complex_count, complex_out_count, copy_locals_base;
868 MonoClass *ret_class = NULL;
869 MonoMethod *xdomain_method;
870 int ret_marshal_type = MONO_MARSHAL_NONE;
871 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
872 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
873 int pos, pos_dispatch, pos_noex;
874 gboolean copy_return = FALSE;
879 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
882 /* we cant remote methods without this pointer */
883 if (!mono_method_signature (method)->hasthis)
886 mono_remoting_marshal_init ();
888 if (!mono_marshal_supports_fast_xdomain (method))
889 return mono_marshal_get_remoting_invoke (method);
891 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
894 sig = mono_signature_no_pinvoke (method);
896 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
897 mb->method->save_lmf = 1;
899 /* Count the number of parameters that need to be serialized */
901 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
902 complex_count = complex_out_count = 0;
903 for (i = 0; i < sig->param_count; i++) {
904 MonoType *ptype = sig->params[i];
905 int mt = mono_get_xdomain_marshal_type (ptype);
907 /* If the [Out] attribute is applied to a parameter that can be internally copied,
908 * the copy will be made by reusing the original object instance
910 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
911 mt = MONO_MARSHAL_COPY_OUT;
912 else if (mt == MONO_MARSHAL_SERIALIZE) {
914 if (ptype->byref) complex_out_count++;
916 marshal_types [i] = mt;
919 if (sig->ret->type != MONO_TYPE_VOID) {
920 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
921 ret_class = mono_class_from_mono_type (sig->ret);
922 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
928 if (complex_count > 0)
929 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
930 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
931 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
933 loc_return = mono_mb_add_local (mb, sig->ret);
934 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
935 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
936 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
937 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
939 /* Save thread domain data */
941 mono_mb_emit_icall (mb, mono_context_get);
942 mono_mb_emit_byte (mb, CEE_DUP);
943 mono_mb_emit_stloc (mb, loc_context);
945 /* If the thread is not running in the default context, it needs to go
946 * through the whole remoting sink, since the context is going to change
948 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
949 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
951 /* Another case in which the fast path can't be used: when the target domain
952 * has a different image for the same assembly.
955 /* Get the target domain id */
957 mono_mb_emit_ldarg (mb, 0);
958 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
959 mono_mb_emit_byte (mb, CEE_LDIND_REF);
960 mono_mb_emit_byte (mb, CEE_DUP);
961 mono_mb_emit_stloc (mb, loc_real_proxy);
963 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
964 mono_mb_emit_byte (mb, CEE_LDIND_I4);
965 mono_mb_emit_stloc (mb, loc_domainid);
967 /* Check if the target domain has the same image for the required assembly */
969 mono_mb_emit_ldloc (mb, loc_domainid);
970 mono_mb_emit_ptr (mb, method->klass->image);
971 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
972 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
974 /* Use the whole remoting sink to dispatch this message */
976 mono_mb_patch_short_branch (mb, pos);
978 mono_mb_emit_ldarg (mb, 0);
979 for (i = 0; i < sig->param_count; i++)
980 mono_mb_emit_ldarg (mb, i + 1);
982 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
983 mono_mb_emit_byte (mb, CEE_RET);
984 mono_mb_patch_short_branch (mb, pos_dispatch);
986 /* Create the array that will hold the parameters to be serialized */
988 if (complex_count > 0) {
989 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 */
990 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
993 for (i = 0; i < sig->param_count; i++) {
995 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
996 pclass = mono_class_from_mono_type (sig->params[i]);
997 mono_mb_emit_byte (mb, CEE_DUP);
998 mono_mb_emit_icon (mb, j);
999 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1000 if (sig->params[i]->byref) {
1001 if (pclass->valuetype)
1002 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1004 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1006 if (pclass->valuetype)
1007 mono_mb_emit_op (mb, CEE_BOX, pclass);
1008 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1011 mono_mb_emit_stloc (mb, loc_array);
1013 /* Serialize parameters */
1015 mono_mb_emit_ldloc (mb, loc_array);
1016 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1017 mono_mb_emit_stloc (mb, loc_serialized_data);
1019 mono_mb_emit_byte (mb, CEE_LDNULL);
1020 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1021 mono_mb_emit_stloc (mb, loc_serialized_data);
1026 mono_mb_emit_ldloc (mb, loc_domainid);
1027 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1028 mono_marshal_emit_switch_domain (mb);
1029 mono_mb_emit_stloc (mb, loc_old_domainid);
1031 /* Load the arguments */
1033 mono_mb_emit_ldloc (mb, loc_real_proxy);
1034 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1035 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1037 copy_locals_base = mb->locals;
1038 for (i = 0; i < sig->param_count; i++) {
1039 switch (marshal_types [i]) {
1040 case MONO_MARSHAL_SERIALIZE:
1042 case MONO_MARSHAL_COPY: {
1043 mono_mb_emit_ldarg (mb, i+1);
1044 if (sig->params [i]->byref) {
1045 /* make a local copy of the byref parameter. The real parameter
1046 * will be updated after the xdomain call
1048 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1049 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1050 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1051 mono_mb_emit_stloc (mb, copy_local);
1052 mono_mb_emit_ldloc_addr (mb, copy_local);
1056 case MONO_MARSHAL_COPY_OUT:
1057 case MONO_MARSHAL_NONE:
1058 mono_mb_emit_ldarg (mb, i+1);
1063 /* Make the call to the invoke wrapper in the target domain */
1065 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1066 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1067 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1070 mono_mb_emit_stloc (mb, loc_return);
1074 mono_mb_emit_ldloc (mb, loc_old_domainid);
1075 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1076 mono_marshal_emit_switch_domain (mb);
1077 mono_mb_emit_byte (mb, CEE_POP);
1079 /* Restore thread domain data */
1081 mono_mb_emit_ldloc (mb, loc_context);
1082 mono_mb_emit_icall (mb, mono_context_set);
1084 /* if (loc_serialized_exc != null) ... */
1086 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1087 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1089 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1090 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1091 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1092 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1093 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1094 mono_mb_emit_byte (mb, CEE_THROW);
1095 mono_mb_patch_short_branch (mb, pos_noex);
1097 /* copy back non-serialized output parameters */
1100 for (i = 0; i < sig->param_count; i++) {
1101 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1102 mono_mb_emit_ldarg (mb, i + 1);
1103 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1104 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1105 mono_mb_emit_byte (mb, CEE_STIND_REF);
1108 /* Deserialize out parameters */
1110 if (complex_out_count > 0) {
1111 mono_mb_emit_ldloc (mb, loc_serialized_data);
1112 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1113 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1114 mono_mb_emit_stloc (mb, loc_array);
1116 /* Copy back output parameters and return type */
1119 for (i = 0; i < sig->param_count; i++) {
1120 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1121 if (sig->params[i]->byref) {
1122 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1123 mono_mb_emit_ldarg (mb, i + 1);
1124 mono_mb_emit_ldloc (mb, loc_array);
1125 mono_mb_emit_icon (mb, j);
1126 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1127 if (pclass->valuetype) {
1128 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1129 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1130 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1132 if (pclass != mono_defaults.object_class)
1133 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1134 mono_mb_emit_byte (mb, CEE_STIND_REF);
1140 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1141 mono_mb_emit_ldloc (mb, loc_array);
1142 mono_mb_emit_icon (mb, complex_count);
1143 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1144 if (ret_class->valuetype) {
1145 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1146 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1149 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1150 mono_mb_emit_ldloc (mb, loc_serialized_data);
1151 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1152 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1153 if (ret_class->valuetype) {
1154 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1155 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1156 } else if (ret_class != mono_defaults.object_class) {
1157 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1160 mono_mb_emit_ldloc (mb, loc_serialized_data);
1161 mono_mb_emit_byte (mb, CEE_DUP);
1162 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1163 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1165 mono_mb_patch_short_branch (mb, pos);
1166 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1167 mono_mb_emit_byte (mb, CEE_POP);
1171 mono_mb_emit_ldloc (mb, loc_return);
1172 if (ret_marshal_type == MONO_MARSHAL_COPY)
1173 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1176 mono_mb_emit_byte (mb, CEE_RET);
1177 #endif /* DISABLE_JIT */
1179 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1180 info->d.remoting.method = method;
1181 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1188 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1190 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1191 return mono_marshal_get_xappdomain_invoke (method);
1192 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1194 return mono_cominterop_get_invoke (method);
1196 g_assert_not_reached ();
1199 return mono_marshal_get_remoting_invoke (method);
1205 G_GNUC_UNUSED static gpointer
1206 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1208 if (rp->target_domain_id != -1)
1209 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1211 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1215 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1217 MonoMethodSignature *sig;
1218 MonoMethodBuilder *mb;
1219 MonoMethod *res, *native;
1221 int i, pos, pos_rem;
1225 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1228 /* we cant remote methods without this pointer */
1229 g_assert (mono_method_signature (method)->hasthis);
1231 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1234 sig = mono_signature_no_pinvoke (method);
1236 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1239 for (i = 0; i <= sig->param_count; i++)
1240 mono_mb_emit_ldarg (mb, i);
1242 mono_mb_emit_ldarg (mb, 0);
1243 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1245 if (mono_marshal_supports_fast_xdomain (method)) {
1246 mono_mb_emit_ldarg (mb, 0);
1247 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1249 /* wrapper for cross app domain calls */
1250 native = mono_marshal_get_xappdomain_invoke (method);
1251 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1252 mono_mb_emit_byte (mb, CEE_RET);
1254 mono_mb_patch_branch (mb, pos_rem);
1256 /* wrapper for normal remote calls */
1257 native = mono_marshal_get_remoting_invoke (method);
1258 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1259 mono_mb_emit_byte (mb, CEE_RET);
1262 mono_mb_patch_branch (mb, pos);
1263 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1264 mono_mb_emit_byte (mb, CEE_RET);
1267 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1268 info->d.remoting.method = method;
1269 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1276 * mono_marshal_get_ldfld_remote_wrapper:
1277 * @klass: The return type
1279 * This method generates a wrapper for calling mono_load_remote_field_new.
1280 * The return type is ignored for now, as mono_load_remote_field_new () always
1281 * returns an object. In the future, to optimize some codepaths, we might
1282 * call a different function that takes a pointer to a valuetype, instead.
1285 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1287 MonoMethodSignature *sig, *csig;
1288 MonoMethodBuilder *mb;
1290 static MonoMethod* cached = NULL;
1292 mono_marshal_lock_internal ();
1294 mono_marshal_unlock_internal ();
1297 mono_marshal_unlock_internal ();
1299 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1301 mb->method->save_lmf = 1;
1303 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1304 sig->params [0] = &mono_defaults.object_class->byval_arg;
1305 sig->params [1] = &mono_defaults.int_class->byval_arg;
1306 sig->params [2] = &mono_defaults.int_class->byval_arg;
1307 sig->ret = &mono_defaults.object_class->byval_arg;
1310 mono_mb_emit_ldarg (mb, 0);
1311 mono_mb_emit_ldarg (mb, 1);
1312 mono_mb_emit_ldarg (mb, 2);
1314 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1315 csig->params [0] = &mono_defaults.object_class->byval_arg;
1316 csig->params [1] = &mono_defaults.int_class->byval_arg;
1317 csig->params [2] = &mono_defaults.int_class->byval_arg;
1318 csig->ret = &mono_defaults.object_class->byval_arg;
1321 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1322 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1324 mono_mb_emit_byte (mb, CEE_RET);
1327 mono_marshal_lock_internal ();
1329 mono_marshal_unlock_internal ();
1332 newm = mono_mb_create (mb, sig, 4, NULL);
1333 mono_marshal_lock_internal ();
1338 mono_marshal_unlock_internal ();
1340 mono_marshal_unlock_internal ();
1341 mono_free_method (newm);
1350 * mono_marshal_get_ldfld_wrapper:
1351 * @type: the type of the field
1353 * This method generates a function which can be use to load a field with type
1354 * @type from an object. The generated function has the following signature:
1355 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1358 mono_marshal_get_ldfld_wrapper (MonoType *type)
1360 MonoMethodSignature *sig;
1361 MonoMethodBuilder *mb;
1367 int t, pos0, pos1 = 0;
1369 type = mono_type_get_underlying_type (type);
1374 if (type->type == MONO_TYPE_SZARRAY) {
1375 klass = mono_defaults.array_class;
1376 } else if (type->type == MONO_TYPE_VALUETYPE) {
1377 klass = type->data.klass;
1378 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1379 klass = mono_defaults.object_class;
1380 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1381 klass = mono_defaults.int_class;
1382 } else if (t == MONO_TYPE_GENERICINST) {
1383 if (mono_type_generic_inst_is_valuetype (type))
1384 klass = mono_class_from_mono_type (type);
1386 klass = mono_defaults.object_class;
1388 klass = mono_class_from_mono_type (type);
1391 klass = mono_defaults.int_class;
1394 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1395 if ((res = mono_marshal_find_in_cache (cache, klass)))
1398 /* we add the %p pointer value of klass because class names are not unique */
1399 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1400 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1403 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1404 sig->params [0] = &mono_defaults.object_class->byval_arg;
1405 sig->params [1] = &mono_defaults.int_class->byval_arg;
1406 sig->params [2] = &mono_defaults.int_class->byval_arg;
1407 sig->params [3] = &mono_defaults.int_class->byval_arg;
1408 sig->ret = &klass->byval_arg;
1411 mono_mb_emit_ldarg (mb, 0);
1412 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1414 mono_mb_emit_ldarg (mb, 0);
1415 mono_mb_emit_ldarg (mb, 1);
1416 mono_mb_emit_ldarg (mb, 2);
1418 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1421 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1422 csig->params [0] = &mono_defaults.object_class->byval_arg;
1423 csig->params [1] = &mono_defaults.int_class->byval_arg;
1424 csig->params [2] = &mono_defaults.int_class->byval_arg;
1425 csig->ret = &klass->this_arg;
1428 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1429 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1432 if (klass->valuetype) {
1433 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1434 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1436 mono_mb_emit_byte (mb, CEE_RET);
1439 mono_mb_patch_branch (mb, pos0);
1441 mono_mb_emit_ldarg (mb, 0);
1442 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1443 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1444 mono_mb_emit_ldarg (mb, 3);
1445 mono_mb_emit_byte (mb, CEE_ADD);
1447 if (klass->valuetype)
1448 mono_mb_patch_branch (mb, pos1);
1453 case MONO_TYPE_BOOLEAN:
1454 case MONO_TYPE_CHAR:
1463 case MONO_TYPE_ARRAY:
1464 case MONO_TYPE_SZARRAY:
1465 case MONO_TYPE_OBJECT:
1466 case MONO_TYPE_CLASS:
1467 case MONO_TYPE_STRING:
1471 case MONO_TYPE_FNPTR:
1472 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1474 case MONO_TYPE_VALUETYPE:
1475 g_assert (!klass->enumtype);
1476 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1478 case MONO_TYPE_GENERICINST:
1479 if (mono_type_generic_inst_is_valuetype (type)) {
1480 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1482 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1486 case MONO_TYPE_MVAR:
1487 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1490 g_warning ("type %x not implemented", type->type);
1491 g_assert_not_reached ();
1494 mono_mb_emit_byte (mb, CEE_RET);
1495 #endif /* DISABLE_JIT */
1497 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1498 info->d.proxy.klass = klass;
1499 res = mono_mb_create_and_cache_full (cache, klass,
1500 mb, sig, sig->param_count + 16, info, NULL);
1507 * mono_marshal_get_ldflda_wrapper:
1508 * @type: the type of the field
1510 * This method generates a function which can be used to load a field address
1511 * from an object. The generated function has the following signature:
1512 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1515 mono_marshal_get_ldflda_wrapper (MonoType *type)
1517 MonoMethodSignature *sig;
1518 MonoMethodBuilder *mb;
1524 int t, pos0, pos1, pos2, pos3;
1526 type = mono_type_get_underlying_type (type);
1530 if (type->type == MONO_TYPE_SZARRAY) {
1531 klass = mono_defaults.array_class;
1532 } else if (type->type == MONO_TYPE_VALUETYPE) {
1533 klass = type->data.klass;
1534 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1535 t == MONO_TYPE_CLASS) {
1536 klass = mono_defaults.object_class;
1537 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1538 klass = mono_defaults.int_class;
1539 } else if (t == MONO_TYPE_GENERICINST) {
1540 if (mono_type_generic_inst_is_valuetype (type))
1541 klass = mono_class_from_mono_type (type);
1543 klass = mono_defaults.object_class;
1545 klass = mono_class_from_mono_type (type);
1548 klass = mono_defaults.int_class;
1551 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1552 if ((res = mono_marshal_find_in_cache (cache, klass)))
1555 /* we add the %p pointer value of klass because class names are not unique */
1556 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1557 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1560 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1561 sig->params [0] = &mono_defaults.object_class->byval_arg;
1562 sig->params [1] = &mono_defaults.int_class->byval_arg;
1563 sig->params [2] = &mono_defaults.int_class->byval_arg;
1564 sig->params [3] = &mono_defaults.int_class->byval_arg;
1565 sig->ret = &mono_defaults.int_class->byval_arg;
1568 /* if typeof (this) != transparent_proxy goto pos0 */
1569 mono_mb_emit_ldarg (mb, 0);
1570 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1572 /* if same_appdomain goto pos1 */
1573 mono_mb_emit_ldarg (mb, 0);
1574 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1576 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1578 /* same app domain */
1579 mono_mb_patch_branch (mb, pos1);
1581 /* if typeof (this) != contextbound goto pos2 */
1582 mono_mb_emit_ldarg (mb, 0);
1583 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1585 /* if this->rp->context == mono_context_get goto pos3 */
1586 mono_mb_emit_ldarg (mb, 0);
1587 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1588 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1589 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1591 mono_mb_emit_icall (mb, mono_context_get);
1592 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1594 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1596 mono_mb_patch_branch (mb, pos2);
1597 mono_mb_patch_branch (mb, pos3);
1599 /* return the address of the field from this->rp->unwrapped_server */
1600 mono_mb_emit_ldarg (mb, 0);
1601 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1602 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1603 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1604 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1605 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1606 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1607 mono_mb_emit_ldarg (mb, 3);
1608 mono_mb_emit_byte (mb, CEE_ADD);
1609 mono_mb_emit_byte (mb, CEE_RET);
1611 /* not a proxy: return the address of the field directly */
1612 mono_mb_patch_branch (mb, pos0);
1614 mono_mb_emit_ldarg (mb, 0);
1615 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1616 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1617 mono_mb_emit_ldarg (mb, 3);
1618 mono_mb_emit_byte (mb, CEE_ADD);
1620 mono_mb_emit_byte (mb, CEE_RET);
1623 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1624 info->d.proxy.klass = klass;
1625 res = mono_mb_create_and_cache_full (cache, klass,
1626 mb, sig, sig->param_count + 16,
1634 * mono_marshal_get_stfld_remote_wrapper:
1635 * klass: The type of the field
1637 * This function generates a wrapper for calling mono_store_remote_field_new
1638 * with the appropriate signature.
1639 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1640 * klass argument anymore.
1643 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1645 MonoMethodSignature *sig, *csig;
1646 MonoMethodBuilder *mb;
1648 static MonoMethod *cached = NULL;
1650 mono_marshal_lock_internal ();
1652 mono_marshal_unlock_internal ();
1655 mono_marshal_unlock_internal ();
1657 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1659 mb->method->save_lmf = 1;
1661 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1662 sig->params [0] = &mono_defaults.object_class->byval_arg;
1663 sig->params [1] = &mono_defaults.int_class->byval_arg;
1664 sig->params [2] = &mono_defaults.int_class->byval_arg;
1665 sig->params [3] = &mono_defaults.object_class->byval_arg;
1666 sig->ret = &mono_defaults.void_class->byval_arg;
1669 mono_mb_emit_ldarg (mb, 0);
1670 mono_mb_emit_ldarg (mb, 1);
1671 mono_mb_emit_ldarg (mb, 2);
1672 mono_mb_emit_ldarg (mb, 3);
1674 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1675 csig->params [0] = &mono_defaults.object_class->byval_arg;
1676 csig->params [1] = &mono_defaults.int_class->byval_arg;
1677 csig->params [2] = &mono_defaults.int_class->byval_arg;
1678 csig->params [3] = &mono_defaults.object_class->byval_arg;
1679 csig->ret = &mono_defaults.void_class->byval_arg;
1682 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1683 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1685 mono_mb_emit_byte (mb, CEE_RET);
1688 mono_marshal_lock_internal ();
1690 mono_marshal_unlock_internal ();
1693 newm = mono_mb_create (mb, sig, 6, NULL);
1694 mono_marshal_lock_internal ();
1699 mono_marshal_unlock_internal ();
1701 mono_marshal_unlock_internal ();
1702 mono_free_method (newm);
1711 * mono_marshal_get_stfld_wrapper:
1712 * @type: the type of the field
1714 * This method generates a function which can be use to store a field with type
1715 * @type. The generated function has the following signature:
1716 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1719 mono_marshal_get_stfld_wrapper (MonoType *type)
1721 MonoMethodSignature *sig;
1722 MonoMethodBuilder *mb;
1730 type = mono_type_get_underlying_type (type);
1734 if (type->type == MONO_TYPE_SZARRAY) {
1735 klass = mono_defaults.array_class;
1736 } else if (type->type == MONO_TYPE_VALUETYPE) {
1737 klass = type->data.klass;
1738 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1739 klass = mono_defaults.object_class;
1740 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1741 klass = mono_defaults.int_class;
1742 } else if (t == MONO_TYPE_GENERICINST) {
1743 if (mono_type_generic_inst_is_valuetype (type))
1744 klass = mono_class_from_mono_type (type);
1746 klass = mono_defaults.object_class;
1748 klass = mono_class_from_mono_type (type);
1751 klass = mono_defaults.int_class;
1754 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1755 if ((res = mono_marshal_find_in_cache (cache, klass)))
1758 /* we add the %p pointer value of klass because class names are not unique */
1759 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1760 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1763 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1764 sig->params [0] = &mono_defaults.object_class->byval_arg;
1765 sig->params [1] = &mono_defaults.int_class->byval_arg;
1766 sig->params [2] = &mono_defaults.int_class->byval_arg;
1767 sig->params [3] = &mono_defaults.int_class->byval_arg;
1768 sig->params [4] = &klass->byval_arg;
1769 sig->ret = &mono_defaults.void_class->byval_arg;
1772 mono_mb_emit_ldarg (mb, 0);
1773 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1775 mono_mb_emit_ldarg (mb, 0);
1776 mono_mb_emit_ldarg (mb, 1);
1777 mono_mb_emit_ldarg (mb, 2);
1778 mono_mb_emit_ldarg (mb, 4);
1779 if (klass->valuetype)
1780 mono_mb_emit_op (mb, CEE_BOX, klass);
1782 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1784 mono_mb_emit_byte (mb, CEE_RET);
1786 mono_mb_patch_branch (mb, pos);
1788 mono_mb_emit_ldarg (mb, 0);
1789 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1790 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1791 mono_mb_emit_ldarg (mb, 3);
1792 mono_mb_emit_byte (mb, CEE_ADD);
1793 mono_mb_emit_ldarg (mb, 4);
1798 case MONO_TYPE_BOOLEAN:
1799 case MONO_TYPE_CHAR:
1808 case MONO_TYPE_ARRAY:
1809 case MONO_TYPE_SZARRAY:
1810 case MONO_TYPE_OBJECT:
1811 case MONO_TYPE_CLASS:
1812 case MONO_TYPE_STRING:
1816 case MONO_TYPE_FNPTR:
1817 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1819 case MONO_TYPE_VALUETYPE:
1820 g_assert (!klass->enumtype);
1821 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1823 case MONO_TYPE_GENERICINST:
1825 case MONO_TYPE_MVAR:
1826 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1829 g_warning ("type %x not implemented", type->type);
1830 g_assert_not_reached ();
1833 mono_mb_emit_byte (mb, CEE_RET);
1836 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1837 info->d.proxy.klass = klass;
1838 res = mono_mb_create_and_cache_full (cache, klass,
1839 mb, sig, sig->param_count + 16,
1847 mono_marshal_get_proxy_cancast (MonoClass *klass)
1849 static MonoMethodSignature *isint_sig = NULL;
1853 int pos_failed, pos_end;
1854 char *name, *klass_name;
1855 MonoMethod *can_cast_to;
1856 MonoMethodDesc *desc;
1857 MonoMethodBuilder *mb;
1859 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1860 if ((res = mono_marshal_find_in_cache (cache, klass)))
1864 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1865 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1866 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1867 isint_sig->pinvoke = 0;
1870 klass_name = mono_type_full_name (&klass->byval_arg);
1871 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1872 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1873 g_free (klass_name);
1876 mb->method->save_lmf = 1;
1879 /* get the real proxy from the transparent proxy*/
1880 mono_mb_emit_ldarg (mb, 0);
1881 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1882 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1884 /* get the reflection type from the type handle */
1885 mono_mb_emit_ptr (mb, &klass->byval_arg);
1886 mono_mb_emit_icall (mb, type_from_handle);
1888 mono_mb_emit_ldarg (mb, 0);
1890 /* make the call to CanCastTo (type, ob) */
1891 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1892 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1893 g_assert (can_cast_to);
1894 mono_method_desc_free (desc);
1895 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1897 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1899 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1900 mono_mb_emit_ptr (mb, &klass->byval_arg);
1901 mono_mb_emit_icall (mb, type_from_handle);
1902 mono_mb_emit_ldarg (mb, 0);
1904 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1905 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1907 mono_mb_emit_ldarg (mb, 0);
1908 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1912 mono_mb_patch_branch (mb, pos_failed);
1913 mono_mb_emit_byte (mb, CEE_LDNULL);
1917 mono_mb_patch_branch (mb, pos_end);
1918 mono_mb_emit_byte (mb, CEE_RET);
1921 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1922 info->d.proxy.klass = klass;
1923 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1930 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1933 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1934 klass = mono_class_from_mono_type (rtype->type);
1935 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1938 #else /* DISABLE_REMOTING */
1941 mono_remoting_init (void)
1945 #endif /* DISABLE_REMOTING */
1947 /* mono_get_xdomain_marshal_type()
1948 * Returns the kind of marshalling that a type needs for cross domain calls.
1950 static MonoXDomainMarshalType
1951 mono_get_xdomain_marshal_type (MonoType *t)
1954 case MONO_TYPE_VOID:
1955 g_assert_not_reached ();
1959 case MONO_TYPE_BOOLEAN:
1962 case MONO_TYPE_CHAR:
1969 return MONO_MARSHAL_NONE;
1970 case MONO_TYPE_STRING:
1971 return MONO_MARSHAL_COPY;
1972 case MONO_TYPE_ARRAY:
1973 case MONO_TYPE_SZARRAY: {
1974 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1975 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1976 return MONO_MARSHAL_COPY;
1982 return MONO_MARSHAL_SERIALIZE;
1985 /* mono_marshal_xdomain_copy_value
1986 * Makes a copy of "val" suitable for the current domain.
1989 mono_marshal_xdomain_copy_value (MonoObject *val)
1993 if (val == NULL) return NULL;
1995 domain = mono_domain_get ();
1997 switch (mono_object_class (val)->byval_arg.type) {
1998 case MONO_TYPE_VOID:
1999 g_assert_not_reached ();
2003 case MONO_TYPE_BOOLEAN:
2006 case MONO_TYPE_CHAR:
2012 case MONO_TYPE_R8: {
2013 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), &error);
2014 mono_error_raise_exception (&error); /* FIXME don't raise here */
2018 case MONO_TYPE_STRING: {
2019 MonoString *str = (MonoString *) val;
2020 MonoObject *res = NULL;
2021 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2022 mono_error_raise_exception (&error); /* FIXME don't raise here */
2025 case MONO_TYPE_ARRAY:
2026 case MONO_TYPE_SZARRAY: {
2028 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2029 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2030 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2031 if (mt == MONO_MARSHAL_COPY) {
2032 int i, len = mono_array_length (acopy);
2033 for (i = 0; i < len; i++) {
2034 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2035 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2038 return (MonoObject *) acopy;