2 * remoting.c: Remoting support
4 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
5 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
6 * Copyright 2011-2014 Xamarin, Inc (http://www.xamarin.com)
8 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
13 #include "mono/metadata/remoting.h"
14 #include "mono/metadata/marshal.h"
15 #include "mono/metadata/abi-details.h"
16 #include "mono/metadata/cominterop.h"
17 #include "mono/metadata/tabledefs.h"
18 #include "mono/metadata/exception.h"
19 #include "mono/metadata/debug-helpers.h"
20 #include "mono/metadata/reflection-internals.h"
23 MONO_MARSHAL_NONE, /* No marshalling needed */
24 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
25 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
26 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
27 } MonoXDomainMarshalType;
29 #ifndef DISABLE_REMOTING
31 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
35 #include "mono/cil/opcode.def"
40 struct _MonoRemotingMethods {
42 MonoMethod *invoke_with_check;
43 MonoMethod *xdomain_invoke;
44 MonoMethod *xdomain_dispatch;
47 typedef struct _MonoRemotingMethods MonoRemotingMethods;
50 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
53 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
56 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
59 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
61 static MonoXDomainMarshalType
62 mono_get_xdomain_marshal_type (MonoType *t);
65 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
67 static MonoReflectionType *
68 type_from_handle (MonoType *handle);
70 /* Class lazy loading functions */
71 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
72 static GENERATE_GET_CLASS_WITH_CACHE (call_context, System.Runtime.Remoting.Messaging, CallContext)
73 static GENERATE_GET_CLASS_WITH_CACHE (context, System.Runtime.Remoting.Contexts, Context)
75 static mono_mutex_t remoting_mutex;
76 static gboolean remoting_mutex_inited;
78 static MonoClass *byte_array_class;
80 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
81 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
85 mono_compile_method_icall (MonoMethod *method);
88 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
90 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
92 mono_register_jit_icall (func, name, sig, save);
98 g_assert (remoting_mutex_inited);
99 mono_os_mutex_lock (&remoting_mutex);
103 remoting_unlock (void)
105 g_assert (remoting_mutex_inited);
106 mono_os_mutex_unlock (&remoting_mutex);
110 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
113 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
119 g_hash_table_new (hash_func, equal_func);
120 mono_memory_barrier ();
129 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
135 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
136 mono_memory_barrier ();
145 mono_remoting_init (void)
147 mono_os_mutex_init (&remoting_mutex);
148 remoting_mutex_inited = TRUE;
152 mono_remoting_marshal_init (void)
156 static gboolean module_initialized = FALSE;
157 static gboolean icalls_registered = FALSE;
159 if (module_initialized)
162 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
165 klass = mono_class_get_remoting_services_class ();
166 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
167 g_assert (method_rs_serialize);
168 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
169 g_assert (method_rs_deserialize);
170 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
171 g_assert (method_rs_serialize_exc);
173 klass = mono_defaults.real_proxy_class;
174 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
175 g_assert (method_rs_appdomain_target);
177 klass = mono_defaults.exception_class;
178 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
179 g_assert (method_exc_fixexc);
181 klass = mono_class_get_call_context_class ();
182 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
183 g_assert (method_set_call_context);
185 klass = mono_class_get_context_class ();
186 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
187 g_assert (method_needs_context_sink);
192 if (!icalls_registered) {
193 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
194 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
195 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
196 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
197 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
198 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
199 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
200 register_icall (mono_compile_method_icall, "mono_compile_method_icall", "ptr ptr", FALSE);
201 /* mono_load_remote_field_new_icall registered by mini-runtime.c */
202 /* mono_store_remote_field_new_icall registered by mini-runtime.c */
206 icalls_registered = TRUE;
208 mono_loader_unlock ();
210 module_initialized = TRUE;
213 static MonoReflectionType *
214 type_from_handle (MonoType *handle)
217 MonoReflectionType *ret;
218 MonoDomain *domain = mono_domain_get ();
219 MonoClass *klass = mono_class_from_mono_type (handle);
221 mono_class_init (klass);
223 ret = mono_type_get_object_checked (domain, handle, &error);
224 mono_error_raise_exception (&error); /* FIXME don't raise here */
231 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
234 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
235 mono_mb_emit_byte (mb, CEE_LDIND_I);
236 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
237 mono_mb_emit_byte (mb, CEE_ADD);
238 mono_mb_emit_byte (mb, CEE_LDIND_I);
239 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
240 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
241 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
242 pos = mono_mb_emit_branch (mb, branch_code);
247 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
250 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
251 mono_mb_emit_byte (mb, CEE_LDIND_REF);
252 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
253 mono_mb_emit_byte (mb, CEE_LDIND_I4);
254 mono_mb_emit_icon (mb, -1);
255 pos = mono_mb_emit_branch (mb, branch_code);
260 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
262 static int offset = -1;
266 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
268 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
269 mono_mb_emit_byte (mb, CEE_LDIND_REF);
270 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
271 mono_mb_emit_byte (mb, CEE_LDIND_REF);
272 mono_mb_emit_ldflda (mb, offset);
273 mono_mb_emit_byte (mb, CEE_LDIND_U1);
274 mono_mb_emit_icon (mb, mask);
275 mono_mb_emit_byte (mb, CEE_AND);
276 mono_mb_emit_icon (mb, 0);
277 return mono_mb_emit_branch (mb, branch_code);
279 #endif /* !DISABLE_JIT */
281 static inline MonoMethod*
282 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
284 MonoMethod *res = NULL;
285 MonoRemotingMethods *wrps = NULL;
287 mono_marshal_lock_internal ();
288 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
289 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
292 switch (wrapper_type) {
293 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
294 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
295 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
296 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
300 /* it is important to do the unlock after the load from wrps, since in
301 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
302 * to take the loader lock and some other thread may set the fields.
304 mono_marshal_unlock_internal ();
308 /* Create the method from the builder and place it in the cache */
309 static inline MonoMethod*
310 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
311 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
313 MonoMethod **res = NULL;
314 MonoRemotingMethods *wrps;
317 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
319 mono_marshal_lock_internal ();
320 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
322 wrps = g_new0 (MonoRemotingMethods, 1);
323 g_hash_table_insert (cache, key, wrps);
326 switch (mb->method->wrapper_type) {
327 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
328 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
329 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
330 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
331 default: g_assert_not_reached (); break;
333 mono_marshal_unlock_internal ();
337 newm = mono_mb_create_method (mb, sig, max_stack);
339 mono_marshal_lock_internal ();
342 mono_marshal_set_wrapper_info (*res, info);
343 mono_marshal_unlock_internal ();
345 mono_marshal_unlock_internal ();
346 mono_free_method (newm);
354 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
357 MonoMethodMessage *msg;
358 MonoTransparentProxy *this_obj;
359 MonoObject *res, *exc;
362 this_obj = *((MonoTransparentProxy **)params [0]);
365 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
367 /* skip the this pointer */
370 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
373 MonoMethodSignature *sig = mono_method_signature (method);
374 int count = sig->param_count;
375 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
377 for (i=0; i<count; i++) {
378 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
379 if (klass->valuetype) {
380 if (sig->params [i]->byref) {
381 mparams[i] = *((gpointer *)params [i]);
383 /* runtime_invoke expects a boxed instance */
384 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
385 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass, &error);
389 mparams[i] = params [i];
392 mparams[i] = *((gpointer**)params [i]);
396 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
403 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
405 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
410 mono_error_init (&error);
411 mono_error_set_exception_instance (&error, (MonoException *)exc);
415 mono_method_return_message_restore (method, params, out_args, &error);
416 if (!is_ok (&error)) goto fail;
420 /* This icall will be called from managed code, and more over
421 * from a protected wrapper so interruptions such as pending
422 * exceptions will not be honored. (See
423 * is_running_protected_wrapper () in threads.c and
424 * mono_marshal_get_remoting_invoke () in remoting.c)
426 mono_error_raise_exception (&error);
432 mono_marshal_get_remoting_invoke (MonoMethod *method)
434 MonoMethodSignature *sig;
435 MonoMethodBuilder *mb;
442 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
445 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
447 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
448 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
449 g_assert (vtable); /*FIXME do proper error handling*/
451 if (!mono_vtable_is_remote (vtable)) {
452 return mono_cominterop_get_invoke (method);
457 sig = mono_signature_no_pinvoke (method);
459 /* we cant remote methods without this pointer */
463 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
466 mono_remoting_marshal_init ();
468 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
471 mb->method->save_lmf = 1;
473 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
475 mono_mb_emit_ptr (mb, method);
476 mono_mb_emit_ldloc (mb, params_var);
477 mono_mb_emit_icall (mb, mono_remoting_wrapper);
478 // FIXME: this interrupt checkpoint code is a no-op since 'mb'
479 // is a MONO_WRAPPER_REMOTING_INVOKE, and
480 // mono_thread_interruption_checkpoint_request (FALSE)
481 // considers such wrappers "protected" and always returns
482 // NULL as if there's no pending interruption.
483 mono_marshal_emit_thread_interrupt_checkpoint (mb);
485 if (sig->ret->type == MONO_TYPE_VOID) {
486 mono_mb_emit_byte (mb, CEE_POP);
487 mono_mb_emit_byte (mb, CEE_RET);
489 mono_mb_emit_restore_result (mb, sig->ret);
493 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
494 info->d.remoting.method = method;
495 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
501 /* mono_marshal_xdomain_copy_out_value()
502 * Copies the contents of the src instance into the dst instance. src and dst
503 * must have the same type, and if they are arrays, the same size.
506 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
508 if (src == NULL || dst == NULL) return;
510 g_assert (mono_object_class (src) == mono_object_class (dst));
512 switch (mono_object_class (src)->byval_arg.type) {
513 case MONO_TYPE_ARRAY:
514 case MONO_TYPE_SZARRAY: {
515 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
516 if (mt == MONO_MARSHAL_SERIALIZE) return;
517 if (mt == MONO_MARSHAL_COPY) {
518 int i, len = mono_array_length ((MonoArray *)dst);
519 for (i = 0; i < len; i++) {
520 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
521 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
524 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
535 #if !defined (DISABLE_JIT)
537 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
539 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
540 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
544 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
546 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
550 /* mono_marshal_supports_fast_xdomain()
551 * Returns TRUE if the method can use the fast xdomain wrapper.
554 mono_marshal_supports_fast_xdomain (MonoMethod *method)
556 return !mono_class_is_contextbound (method->klass) &&
557 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
561 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
563 MonoDomain *current_domain = mono_domain_get ();
564 MonoDomain *domain = mono_domain_get_by_id (id);
566 if (!domain || !mono_domain_set (domain, FALSE)) {
567 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
572 mono_thread_push_appdomain_ref (domain);
574 mono_thread_pop_appdomain_ref ();
576 return current_domain->domain_id;
579 #if !defined (DISABLE_JIT)
581 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
583 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
587 mono_compile_method_icall (MonoMethod *method)
590 gpointer result = mono_compile_method_checked (method, &error);
591 mono_error_set_pending_exception (&error);
595 /* mono_marshal_emit_load_domain_method ()
596 * Loads into the stack a pointer to the code of the provided method for
597 * the current domain.
600 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
602 /* We need a pointer to the method for the running domain (not the domain
603 * that compiles the method).
605 mono_mb_emit_ptr (mb, method);
606 mono_mb_emit_icall (mb, mono_compile_method_icall);
610 /* mono_marshal_check_domain_image ()
611 * Returns TRUE if the image is loaded in the specified
612 * application domain.
615 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
620 MonoDomain *domain = mono_domain_get_by_id (domain_id);
624 mono_domain_assemblies_lock (domain);
625 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
626 ass = (MonoAssembly *)tmp->data;
627 if (ass->image == image)
630 mono_domain_assemblies_unlock (domain);
635 /* mono_marshal_get_xappdomain_dispatch ()
636 * Generates a method that dispatches a method call from another domain into
637 * the current domain.
640 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
642 MonoMethodSignature *sig, *csig;
643 MonoMethodBuilder *mb;
645 int i, j, param_index, copy_locals_base;
646 MonoClass *ret_class = NULL;
647 int loc_array=0, loc_return=0, loc_serialized_exc=0;
648 MonoExceptionClause *main_clause;
650 gboolean copy_return;
653 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
656 sig = mono_method_signature (method);
657 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
660 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
661 csig->params [j++] = &mono_defaults.object_class->byval_arg;
662 csig->params [j++] = &byte_array_class->this_arg;
663 csig->params [j++] = &byte_array_class->this_arg;
664 for (i = 0; i < sig->param_count; i++) {
665 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
666 csig->params [j++] = sig->params [i];
669 csig->ret = sig->ret;
671 csig->ret = &mono_defaults.void_class->byval_arg;
673 csig->hasthis = FALSE;
675 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
676 mb->method->save_lmf = 1;
681 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
682 if (complex_count > 0)
683 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
684 if (sig->ret->type != MONO_TYPE_VOID) {
685 loc_return = mono_mb_add_local (mb, sig->ret);
686 ret_class = mono_class_from_mono_type (sig->ret);
691 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
692 main_clause->try_offset = mono_mb_get_label (mb);
694 /* Clean the call context */
696 mono_mb_emit_byte (mb, CEE_LDNULL);
697 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
698 mono_mb_emit_byte (mb, CEE_POP);
700 /* Deserialize call data */
702 mono_mb_emit_ldarg (mb, 1);
703 mono_mb_emit_byte (mb, CEE_LDIND_REF);
704 mono_mb_emit_byte (mb, CEE_DUP);
705 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
707 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
708 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
710 if (complex_count > 0)
711 mono_mb_emit_stloc (mb, loc_array);
713 mono_mb_emit_byte (mb, CEE_POP);
715 mono_mb_patch_short_branch (mb, pos);
717 /* Get the target object */
719 mono_mb_emit_ldarg (mb, 0);
720 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
722 /* Load the arguments */
724 copy_locals_base = mb->locals;
725 param_index = 3; // Index of the first non-serialized parameter of this wrapper
727 for (i = 0; i < sig->param_count; i++) {
728 MonoType *pt = sig->params [i];
729 MonoClass *pclass = mono_class_from_mono_type (pt);
730 switch (marshal_types [i]) {
731 case MONO_MARSHAL_SERIALIZE: {
732 /* take the value from the serialized array */
733 mono_mb_emit_ldloc (mb, loc_array);
734 mono_mb_emit_icon (mb, j++);
736 if (pclass->valuetype) {
737 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
738 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
740 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
743 if (pclass->valuetype) {
744 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
745 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
746 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
748 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
749 if (pclass != mono_defaults.object_class) {
750 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
756 case MONO_MARSHAL_COPY_OUT: {
757 /* Keep a local copy of the value since we need to copy it back after the call */
758 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
759 mono_mb_emit_ldarg (mb, param_index++);
760 mono_marshal_emit_xdomain_copy_value (mb, pclass);
761 mono_mb_emit_byte (mb, CEE_DUP);
762 mono_mb_emit_stloc (mb, copy_local);
765 case MONO_MARSHAL_COPY: {
766 mono_mb_emit_ldarg (mb, param_index);
768 mono_mb_emit_byte (mb, CEE_DUP);
769 mono_mb_emit_byte (mb, CEE_DUP);
770 mono_mb_emit_byte (mb, CEE_LDIND_REF);
771 mono_marshal_emit_xdomain_copy_value (mb, pclass);
772 mono_mb_emit_byte (mb, CEE_STIND_REF);
774 mono_marshal_emit_xdomain_copy_value (mb, pclass);
779 case MONO_MARSHAL_NONE:
780 mono_mb_emit_ldarg (mb, param_index++);
785 /* Make the call to the real object */
787 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
789 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
791 if (sig->ret->type != MONO_TYPE_VOID)
792 mono_mb_emit_stloc (mb, loc_return);
794 /* copy back MONO_MARSHAL_COPY_OUT parameters */
798 for (i = 0; i < sig->param_count; i++) {
799 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
800 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
801 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
802 mono_mb_emit_ldarg (mb, param_index);
803 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
808 /* Serialize the return values */
810 if (complex_out_count > 0) {
811 /* Reset parameters in the array that don't need to be serialized back */
813 for (i = 0; i < sig->param_count; i++) {
814 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
815 if (!sig->params [i]->byref) {
816 mono_mb_emit_ldloc (mb, loc_array);
817 mono_mb_emit_icon (mb, j);
818 mono_mb_emit_byte (mb, CEE_LDNULL);
819 mono_mb_emit_byte (mb, CEE_STELEM_REF);
824 /* Add the return value to the array */
826 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
827 mono_mb_emit_ldloc (mb, loc_array);
828 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
829 mono_mb_emit_ldloc (mb, loc_return);
831 g_assert (ret_class); /*FIXME properly fail here*/
832 if (ret_class->valuetype) {
833 mono_mb_emit_op (mb, CEE_BOX, ret_class);
835 mono_mb_emit_byte (mb, CEE_STELEM_REF);
840 mono_mb_emit_ldarg (mb, 1);
841 mono_mb_emit_ldloc (mb, loc_array);
842 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
843 mono_mb_emit_byte (mb, CEE_STIND_REF);
844 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
845 mono_mb_emit_ldarg (mb, 1);
846 mono_mb_emit_ldloc (mb, loc_return);
847 if (ret_class->valuetype) {
848 mono_mb_emit_op (mb, CEE_BOX, ret_class);
850 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
851 mono_mb_emit_byte (mb, CEE_STIND_REF);
853 mono_mb_emit_ldarg (mb, 1);
854 mono_mb_emit_byte (mb, CEE_LDNULL);
855 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
856 mono_mb_emit_byte (mb, CEE_STIND_REF);
859 mono_mb_emit_ldarg (mb, 2);
860 mono_mb_emit_byte (mb, CEE_LDNULL);
861 mono_mb_emit_byte (mb, CEE_STIND_REF);
862 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
864 /* Main exception catch */
865 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
866 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
867 main_clause->data.catch_class = mono_defaults.object_class;
870 main_clause->handler_offset = mono_mb_get_label (mb);
871 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
872 mono_mb_emit_stloc (mb, loc_serialized_exc);
873 mono_mb_emit_ldarg (mb, 2);
874 mono_mb_emit_ldloc (mb, loc_serialized_exc);
875 mono_mb_emit_byte (mb, CEE_STIND_REF);
876 mono_mb_emit_branch (mb, CEE_LEAVE);
877 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
880 mono_mb_patch_branch (mb, pos_leave);
883 mono_mb_emit_ldloc (mb, loc_return);
885 mono_mb_emit_byte (mb, CEE_RET);
887 mono_mb_set_clauses (mb, 1, main_clause);
890 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
891 info->d.remoting.method = method;
892 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
898 /* mono_marshal_get_xappdomain_invoke ()
899 * Generates a fast remoting wrapper for cross app domain calls.
902 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
904 MonoMethodSignature *sig;
905 MonoMethodBuilder *mb;
907 int i, j, complex_count, complex_out_count, copy_locals_base;
909 MonoClass *ret_class = NULL;
910 MonoMethod *xdomain_method;
911 int ret_marshal_type = MONO_MARSHAL_NONE;
912 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
913 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
914 int pos, pos_dispatch, pos_noex;
915 gboolean copy_return = FALSE;
920 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
923 /* we cant remote methods without this pointer */
924 if (!mono_method_signature (method)->hasthis)
927 mono_remoting_marshal_init ();
929 if (!mono_marshal_supports_fast_xdomain (method))
930 return mono_marshal_get_remoting_invoke (method);
932 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
935 sig = mono_signature_no_pinvoke (method);
937 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
938 mb->method->save_lmf = 1;
940 /* Count the number of parameters that need to be serialized */
942 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
943 complex_count = complex_out_count = 0;
944 for (i = 0; i < sig->param_count; i++) {
945 MonoType *ptype = sig->params[i];
946 int mt = mono_get_xdomain_marshal_type (ptype);
948 /* If the [Out] attribute is applied to a parameter that can be internally copied,
949 * the copy will be made by reusing the original object instance
951 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
952 mt = MONO_MARSHAL_COPY_OUT;
953 else if (mt == MONO_MARSHAL_SERIALIZE) {
955 if (ptype->byref) complex_out_count++;
957 marshal_types [i] = mt;
960 if (sig->ret->type != MONO_TYPE_VOID) {
961 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
962 ret_class = mono_class_from_mono_type (sig->ret);
963 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
969 if (complex_count > 0)
970 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
971 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
972 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
974 loc_return = mono_mb_add_local (mb, sig->ret);
975 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
976 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
977 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
978 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
980 /* Save thread domain data */
982 mono_mb_emit_icall (mb, mono_context_get);
983 mono_mb_emit_byte (mb, CEE_DUP);
984 mono_mb_emit_stloc (mb, loc_context);
986 /* If the thread is not running in the default context, it needs to go
987 * through the whole remoting sink, since the context is going to change
989 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
990 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
992 /* Another case in which the fast path can't be used: when the target domain
993 * has a different image for the same assembly.
996 /* Get the target domain id */
998 mono_mb_emit_ldarg (mb, 0);
999 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1000 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1001 mono_mb_emit_byte (mb, CEE_DUP);
1002 mono_mb_emit_stloc (mb, loc_real_proxy);
1004 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1005 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1006 mono_mb_emit_stloc (mb, loc_domainid);
1008 /* Check if the target domain has the same image for the required assembly */
1010 mono_mb_emit_ldloc (mb, loc_domainid);
1011 mono_mb_emit_ptr (mb, method->klass->image);
1012 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
1013 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1015 /* Use the whole remoting sink to dispatch this message */
1017 mono_mb_patch_short_branch (mb, pos);
1019 mono_mb_emit_ldarg (mb, 0);
1020 for (i = 0; i < sig->param_count; i++)
1021 mono_mb_emit_ldarg (mb, i + 1);
1023 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
1024 mono_mb_emit_byte (mb, CEE_RET);
1025 mono_mb_patch_short_branch (mb, pos_dispatch);
1027 /* Create the array that will hold the parameters to be serialized */
1029 if (complex_count > 0) {
1030 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 */
1031 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
1034 for (i = 0; i < sig->param_count; i++) {
1036 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1037 pclass = mono_class_from_mono_type (sig->params[i]);
1038 mono_mb_emit_byte (mb, CEE_DUP);
1039 mono_mb_emit_icon (mb, j);
1040 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1041 if (sig->params[i]->byref) {
1042 if (pclass->valuetype)
1043 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1045 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1047 if (pclass->valuetype)
1048 mono_mb_emit_op (mb, CEE_BOX, pclass);
1049 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1052 mono_mb_emit_stloc (mb, loc_array);
1054 /* Serialize parameters */
1056 mono_mb_emit_ldloc (mb, loc_array);
1057 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1058 mono_mb_emit_stloc (mb, loc_serialized_data);
1060 mono_mb_emit_byte (mb, CEE_LDNULL);
1061 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1062 mono_mb_emit_stloc (mb, loc_serialized_data);
1067 mono_mb_emit_ldloc (mb, loc_domainid);
1068 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1069 mono_marshal_emit_switch_domain (mb);
1070 mono_mb_emit_stloc (mb, loc_old_domainid);
1072 /* Load the arguments */
1074 mono_mb_emit_ldloc (mb, loc_real_proxy);
1075 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1076 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1078 copy_locals_base = mb->locals;
1079 for (i = 0; i < sig->param_count; i++) {
1080 switch (marshal_types [i]) {
1081 case MONO_MARSHAL_SERIALIZE:
1083 case MONO_MARSHAL_COPY: {
1084 mono_mb_emit_ldarg (mb, i+1);
1085 if (sig->params [i]->byref) {
1086 /* make a local copy of the byref parameter. The real parameter
1087 * will be updated after the xdomain call
1089 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1090 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1091 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1092 mono_mb_emit_stloc (mb, copy_local);
1093 mono_mb_emit_ldloc_addr (mb, copy_local);
1097 case MONO_MARSHAL_COPY_OUT:
1098 case MONO_MARSHAL_NONE:
1099 mono_mb_emit_ldarg (mb, i+1);
1104 /* Make the call to the invoke wrapper in the target domain */
1106 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1107 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1108 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1111 mono_mb_emit_stloc (mb, loc_return);
1115 mono_mb_emit_ldloc (mb, loc_old_domainid);
1116 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1117 mono_marshal_emit_switch_domain (mb);
1118 mono_mb_emit_byte (mb, CEE_POP);
1120 /* Restore thread domain data */
1122 mono_mb_emit_ldloc (mb, loc_context);
1123 mono_mb_emit_icall (mb, mono_context_set);
1125 /* if (loc_serialized_exc != null) ... */
1127 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1128 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1130 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1131 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1132 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1133 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1134 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1135 mono_mb_emit_byte (mb, CEE_THROW);
1136 mono_mb_patch_short_branch (mb, pos_noex);
1138 /* copy back non-serialized output parameters */
1141 for (i = 0; i < sig->param_count; i++) {
1142 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1143 mono_mb_emit_ldarg (mb, i + 1);
1144 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1145 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1146 mono_mb_emit_byte (mb, CEE_STIND_REF);
1149 /* Deserialize out parameters */
1151 if (complex_out_count > 0) {
1152 mono_mb_emit_ldloc (mb, loc_serialized_data);
1153 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1154 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1155 mono_mb_emit_stloc (mb, loc_array);
1157 /* Copy back output parameters and return type */
1160 for (i = 0; i < sig->param_count; i++) {
1161 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1162 if (sig->params[i]->byref) {
1163 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1164 mono_mb_emit_ldarg (mb, i + 1);
1165 mono_mb_emit_ldloc (mb, loc_array);
1166 mono_mb_emit_icon (mb, j);
1167 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1168 if (pclass->valuetype) {
1169 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1170 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1171 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1173 if (pclass != mono_defaults.object_class)
1174 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1175 mono_mb_emit_byte (mb, CEE_STIND_REF);
1181 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1182 mono_mb_emit_ldloc (mb, loc_array);
1183 mono_mb_emit_icon (mb, complex_count);
1184 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1185 if (ret_class->valuetype) {
1186 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1187 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1190 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1191 mono_mb_emit_ldloc (mb, loc_serialized_data);
1192 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1193 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1194 if (ret_class->valuetype) {
1195 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1196 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1197 } else if (ret_class != mono_defaults.object_class) {
1198 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1201 mono_mb_emit_ldloc (mb, loc_serialized_data);
1202 mono_mb_emit_byte (mb, CEE_DUP);
1203 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1204 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1206 mono_mb_patch_short_branch (mb, pos);
1207 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1208 mono_mb_emit_byte (mb, CEE_POP);
1212 mono_mb_emit_ldloc (mb, loc_return);
1213 if (ret_marshal_type == MONO_MARSHAL_COPY)
1214 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1217 mono_mb_emit_byte (mb, CEE_RET);
1218 #endif /* DISABLE_JIT */
1220 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1221 info->d.remoting.method = method;
1222 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1229 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1231 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1232 return mono_marshal_get_xappdomain_invoke (method);
1233 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1235 return mono_cominterop_get_invoke (method);
1237 g_assert_not_reached ();
1240 return mono_marshal_get_remoting_invoke (method);
1246 G_GNUC_UNUSED static gpointer
1247 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1250 MonoMethod *marshal_method = NULL;
1251 if (rp->target_domain_id != -1)
1252 marshal_method = mono_marshal_get_xappdomain_invoke (method);
1254 marshal_method = mono_marshal_get_remoting_invoke (method);
1255 gpointer compiled_ptr = mono_compile_method_checked (marshal_method, &error);
1256 mono_error_raise_exception (&error); /* FIXME don't raise here */
1257 return compiled_ptr;
1261 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1263 MonoMethodSignature *sig;
1264 MonoMethodBuilder *mb;
1265 MonoMethod *res, *native;
1267 int i, pos, pos_rem;
1271 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1274 /* we cant remote methods without this pointer */
1275 g_assert (mono_method_signature (method)->hasthis);
1277 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1280 sig = mono_signature_no_pinvoke (method);
1282 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1285 for (i = 0; i <= sig->param_count; i++)
1286 mono_mb_emit_ldarg (mb, i);
1288 mono_mb_emit_ldarg (mb, 0);
1289 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1291 if (mono_marshal_supports_fast_xdomain (method)) {
1292 mono_mb_emit_ldarg (mb, 0);
1293 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1295 /* wrapper for cross app domain calls */
1296 native = mono_marshal_get_xappdomain_invoke (method);
1297 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1298 mono_mb_emit_byte (mb, CEE_RET);
1300 mono_mb_patch_branch (mb, pos_rem);
1302 /* wrapper for normal remote calls */
1303 native = mono_marshal_get_remoting_invoke (method);
1304 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1305 mono_mb_emit_byte (mb, CEE_RET);
1308 mono_mb_patch_branch (mb, pos);
1309 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1310 mono_mb_emit_byte (mb, CEE_RET);
1313 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1314 info->d.remoting.method = method;
1315 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1322 * mono_marshal_get_ldfld_remote_wrapper:
1323 * @klass: The return type
1325 * This method generates a wrapper for calling mono_load_remote_field_new.
1326 * The return type is ignored for now, as mono_load_remote_field_new () always
1327 * returns an object. In the future, to optimize some codepaths, we might
1328 * call a different function that takes a pointer to a valuetype, instead.
1331 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1333 MonoMethodSignature *sig;
1334 MonoMethodBuilder *mb;
1336 static MonoMethod* cached = NULL;
1338 mono_marshal_lock_internal ();
1340 mono_marshal_unlock_internal ();
1343 mono_marshal_unlock_internal ();
1345 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1347 mb->method->save_lmf = 1;
1349 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1350 sig->params [0] = &mono_defaults.object_class->byval_arg;
1351 sig->params [1] = &mono_defaults.int_class->byval_arg;
1352 sig->params [2] = &mono_defaults.int_class->byval_arg;
1353 sig->ret = &mono_defaults.object_class->byval_arg;
1356 mono_mb_emit_ldarg (mb, 0);
1357 mono_mb_emit_ldarg (mb, 1);
1358 mono_mb_emit_ldarg (mb, 2);
1360 mono_mb_emit_icall (mb, mono_load_remote_field_new_icall);
1362 mono_mb_emit_byte (mb, CEE_RET);
1365 mono_marshal_lock_internal ();
1367 mono_marshal_unlock_internal ();
1370 newm = mono_mb_create (mb, sig, 4, NULL);
1371 mono_marshal_lock_internal ();
1376 mono_marshal_unlock_internal ();
1378 mono_marshal_unlock_internal ();
1379 mono_free_method (newm);
1388 * mono_marshal_get_ldfld_wrapper:
1389 * @type: the type of the field
1391 * This method generates a function which can be use to load a field with type
1392 * @type from an object. The generated function has the following signature:
1393 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1396 mono_marshal_get_ldfld_wrapper (MonoType *type)
1398 MonoMethodSignature *sig;
1399 MonoMethodBuilder *mb;
1405 int t, pos0, pos1 = 0;
1407 type = mono_type_get_underlying_type (type);
1412 if (type->type == MONO_TYPE_SZARRAY) {
1413 klass = mono_defaults.array_class;
1414 } else if (type->type == MONO_TYPE_VALUETYPE) {
1415 klass = type->data.klass;
1416 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1417 klass = mono_defaults.object_class;
1418 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1419 klass = mono_defaults.int_class;
1420 } else if (t == MONO_TYPE_GENERICINST) {
1421 if (mono_type_generic_inst_is_valuetype (type))
1422 klass = mono_class_from_mono_type (type);
1424 klass = mono_defaults.object_class;
1426 klass = mono_class_from_mono_type (type);
1429 klass = mono_defaults.int_class;
1432 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1433 if ((res = mono_marshal_find_in_cache (cache, klass)))
1436 /* we add the %p pointer value of klass because class names are not unique */
1437 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1438 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1441 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1442 sig->params [0] = &mono_defaults.object_class->byval_arg;
1443 sig->params [1] = &mono_defaults.int_class->byval_arg;
1444 sig->params [2] = &mono_defaults.int_class->byval_arg;
1445 sig->params [3] = &mono_defaults.int_class->byval_arg;
1446 sig->ret = &klass->byval_arg;
1449 mono_mb_emit_ldarg (mb, 0);
1450 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1452 mono_mb_emit_ldarg (mb, 0);
1453 mono_mb_emit_ldarg (mb, 1);
1454 mono_mb_emit_ldarg (mb, 2);
1456 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1459 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1460 csig->params [0] = &mono_defaults.object_class->byval_arg;
1461 csig->params [1] = &mono_defaults.int_class->byval_arg;
1462 csig->params [2] = &mono_defaults.int_class->byval_arg;
1463 csig->ret = &klass->this_arg;
1466 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1467 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1470 if (klass->valuetype) {
1471 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1472 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1474 mono_mb_emit_byte (mb, CEE_RET);
1477 mono_mb_patch_branch (mb, pos0);
1479 mono_mb_emit_ldarg (mb, 0);
1480 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1481 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1482 mono_mb_emit_ldarg (mb, 3);
1483 mono_mb_emit_byte (mb, CEE_ADD);
1485 if (klass->valuetype)
1486 mono_mb_patch_branch (mb, pos1);
1491 case MONO_TYPE_BOOLEAN:
1492 case MONO_TYPE_CHAR:
1501 case MONO_TYPE_ARRAY:
1502 case MONO_TYPE_SZARRAY:
1503 case MONO_TYPE_OBJECT:
1504 case MONO_TYPE_CLASS:
1505 case MONO_TYPE_STRING:
1509 case MONO_TYPE_FNPTR:
1510 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1512 case MONO_TYPE_VALUETYPE:
1513 g_assert (!klass->enumtype);
1514 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1516 case MONO_TYPE_GENERICINST:
1517 if (mono_type_generic_inst_is_valuetype (type)) {
1518 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1520 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1524 case MONO_TYPE_MVAR:
1525 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1528 g_warning ("type %x not implemented", type->type);
1529 g_assert_not_reached ();
1532 mono_mb_emit_byte (mb, CEE_RET);
1533 #endif /* DISABLE_JIT */
1535 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1536 info->d.proxy.klass = klass;
1537 res = mono_mb_create_and_cache_full (cache, klass,
1538 mb, sig, sig->param_count + 16, info, NULL);
1545 * mono_marshal_get_ldflda_wrapper:
1546 * @type: the type of the field
1548 * This method generates a function which can be used to load a field address
1549 * from an object. The generated function has the following signature:
1550 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1553 mono_marshal_get_ldflda_wrapper (MonoType *type)
1555 MonoMethodSignature *sig;
1556 MonoMethodBuilder *mb;
1562 int t, pos0, pos1, pos2, pos3;
1564 type = mono_type_get_underlying_type (type);
1568 if (type->type == MONO_TYPE_SZARRAY) {
1569 klass = mono_defaults.array_class;
1570 } else if (type->type == MONO_TYPE_VALUETYPE) {
1571 klass = type->data.klass;
1572 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1573 t == MONO_TYPE_CLASS) {
1574 klass = mono_defaults.object_class;
1575 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1576 klass = mono_defaults.int_class;
1577 } else if (t == MONO_TYPE_GENERICINST) {
1578 if (mono_type_generic_inst_is_valuetype (type))
1579 klass = mono_class_from_mono_type (type);
1581 klass = mono_defaults.object_class;
1583 klass = mono_class_from_mono_type (type);
1586 klass = mono_defaults.int_class;
1589 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1590 if ((res = mono_marshal_find_in_cache (cache, klass)))
1593 /* we add the %p pointer value of klass because class names are not unique */
1594 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1595 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1598 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1599 sig->params [0] = &mono_defaults.object_class->byval_arg;
1600 sig->params [1] = &mono_defaults.int_class->byval_arg;
1601 sig->params [2] = &mono_defaults.int_class->byval_arg;
1602 sig->params [3] = &mono_defaults.int_class->byval_arg;
1603 sig->ret = &mono_defaults.int_class->byval_arg;
1606 /* if typeof (this) != transparent_proxy goto pos0 */
1607 mono_mb_emit_ldarg (mb, 0);
1608 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1610 /* if same_appdomain goto pos1 */
1611 mono_mb_emit_ldarg (mb, 0);
1612 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1614 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1616 /* same app domain */
1617 mono_mb_patch_branch (mb, pos1);
1619 /* if typeof (this) != contextbound goto pos2 */
1620 mono_mb_emit_ldarg (mb, 0);
1621 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1623 /* if this->rp->context == mono_context_get goto pos3 */
1624 mono_mb_emit_ldarg (mb, 0);
1625 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1626 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1627 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1628 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1629 mono_mb_emit_icall (mb, mono_context_get);
1630 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1632 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1634 mono_mb_patch_branch (mb, pos2);
1635 mono_mb_patch_branch (mb, pos3);
1637 /* return the address of the field from this->rp->unwrapped_server */
1638 mono_mb_emit_ldarg (mb, 0);
1639 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1640 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1641 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1642 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1643 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1644 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1645 mono_mb_emit_ldarg (mb, 3);
1646 mono_mb_emit_byte (mb, CEE_ADD);
1647 mono_mb_emit_byte (mb, CEE_RET);
1649 /* not a proxy: return the address of the field directly */
1650 mono_mb_patch_branch (mb, pos0);
1652 mono_mb_emit_ldarg (mb, 0);
1653 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1654 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1655 mono_mb_emit_ldarg (mb, 3);
1656 mono_mb_emit_byte (mb, CEE_ADD);
1658 mono_mb_emit_byte (mb, CEE_RET);
1661 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1662 info->d.proxy.klass = klass;
1663 res = mono_mb_create_and_cache_full (cache, klass,
1664 mb, sig, sig->param_count + 16,
1672 * mono_marshal_get_stfld_remote_wrapper:
1673 * klass: The type of the field
1675 * This function generates a wrapper for calling mono_store_remote_field_new
1676 * with the appropriate signature.
1677 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1678 * klass argument anymore.
1681 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1683 MonoMethodSignature *sig;
1684 MonoMethodBuilder *mb;
1686 static MonoMethod *cached = NULL;
1688 mono_marshal_lock_internal ();
1690 mono_marshal_unlock_internal ();
1693 mono_marshal_unlock_internal ();
1695 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1697 mb->method->save_lmf = 1;
1699 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1700 sig->params [0] = &mono_defaults.object_class->byval_arg;
1701 sig->params [1] = &mono_defaults.int_class->byval_arg;
1702 sig->params [2] = &mono_defaults.int_class->byval_arg;
1703 sig->params [3] = &mono_defaults.object_class->byval_arg;
1704 sig->ret = &mono_defaults.void_class->byval_arg;
1707 mono_mb_emit_ldarg (mb, 0);
1708 mono_mb_emit_ldarg (mb, 1);
1709 mono_mb_emit_ldarg (mb, 2);
1710 mono_mb_emit_ldarg (mb, 3);
1712 mono_mb_emit_icall (mb, mono_store_remote_field_new_icall);
1714 mono_mb_emit_byte (mb, CEE_RET);
1717 mono_marshal_lock_internal ();
1719 mono_marshal_unlock_internal ();
1722 newm = mono_mb_create (mb, sig, 6, NULL);
1723 mono_marshal_lock_internal ();
1728 mono_marshal_unlock_internal ();
1730 mono_marshal_unlock_internal ();
1731 mono_free_method (newm);
1740 * mono_marshal_get_stfld_wrapper:
1741 * @type: the type of the field
1743 * This method generates a function which can be use to store a field with type
1744 * @type. The generated function has the following signature:
1745 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1748 mono_marshal_get_stfld_wrapper (MonoType *type)
1750 MonoMethodSignature *sig;
1751 MonoMethodBuilder *mb;
1759 type = mono_type_get_underlying_type (type);
1763 if (type->type == MONO_TYPE_SZARRAY) {
1764 klass = mono_defaults.array_class;
1765 } else if (type->type == MONO_TYPE_VALUETYPE) {
1766 klass = type->data.klass;
1767 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1768 klass = mono_defaults.object_class;
1769 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1770 klass = mono_defaults.int_class;
1771 } else if (t == MONO_TYPE_GENERICINST) {
1772 if (mono_type_generic_inst_is_valuetype (type))
1773 klass = mono_class_from_mono_type (type);
1775 klass = mono_defaults.object_class;
1777 klass = mono_class_from_mono_type (type);
1780 klass = mono_defaults.int_class;
1783 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1784 if ((res = mono_marshal_find_in_cache (cache, klass)))
1787 /* we add the %p pointer value of klass because class names are not unique */
1788 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1789 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1792 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1793 sig->params [0] = &mono_defaults.object_class->byval_arg;
1794 sig->params [1] = &mono_defaults.int_class->byval_arg;
1795 sig->params [2] = &mono_defaults.int_class->byval_arg;
1796 sig->params [3] = &mono_defaults.int_class->byval_arg;
1797 sig->params [4] = &klass->byval_arg;
1798 sig->ret = &mono_defaults.void_class->byval_arg;
1801 mono_mb_emit_ldarg (mb, 0);
1802 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1804 mono_mb_emit_ldarg (mb, 0);
1805 mono_mb_emit_ldarg (mb, 1);
1806 mono_mb_emit_ldarg (mb, 2);
1807 mono_mb_emit_ldarg (mb, 4);
1808 if (klass->valuetype)
1809 mono_mb_emit_op (mb, CEE_BOX, klass);
1811 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1813 mono_mb_emit_byte (mb, CEE_RET);
1815 mono_mb_patch_branch (mb, pos);
1817 mono_mb_emit_ldarg (mb, 0);
1818 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1819 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1820 mono_mb_emit_ldarg (mb, 3);
1821 mono_mb_emit_byte (mb, CEE_ADD);
1822 mono_mb_emit_ldarg (mb, 4);
1827 case MONO_TYPE_BOOLEAN:
1828 case MONO_TYPE_CHAR:
1837 case MONO_TYPE_ARRAY:
1838 case MONO_TYPE_SZARRAY:
1839 case MONO_TYPE_OBJECT:
1840 case MONO_TYPE_CLASS:
1841 case MONO_TYPE_STRING:
1845 case MONO_TYPE_FNPTR:
1846 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1848 case MONO_TYPE_VALUETYPE:
1849 g_assert (!klass->enumtype);
1850 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1852 case MONO_TYPE_GENERICINST:
1854 case MONO_TYPE_MVAR:
1855 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1858 g_warning ("type %x not implemented", type->type);
1859 g_assert_not_reached ();
1862 mono_mb_emit_byte (mb, CEE_RET);
1865 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1866 info->d.proxy.klass = klass;
1867 res = mono_mb_create_and_cache_full (cache, klass,
1868 mb, sig, sig->param_count + 16,
1876 mono_marshal_get_proxy_cancast (MonoClass *klass)
1878 static MonoMethodSignature *isint_sig = NULL;
1882 int pos_failed, pos_end;
1883 char *name, *klass_name;
1884 MonoMethod *can_cast_to;
1885 MonoMethodDesc *desc;
1886 MonoMethodBuilder *mb;
1888 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1889 if ((res = mono_marshal_find_in_cache (cache, klass)))
1893 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1894 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1895 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1896 isint_sig->pinvoke = 0;
1899 klass_name = mono_type_full_name (&klass->byval_arg);
1900 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1901 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1902 g_free (klass_name);
1905 mb->method->save_lmf = 1;
1908 /* get the real proxy from the transparent proxy*/
1909 mono_mb_emit_ldarg (mb, 0);
1910 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1911 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1913 /* get the reflection type from the type handle */
1914 mono_mb_emit_ptr (mb, &klass->byval_arg);
1915 mono_mb_emit_icall (mb, type_from_handle);
1917 mono_mb_emit_ldarg (mb, 0);
1919 /* make the call to CanCastTo (type, ob) */
1920 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1921 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1922 g_assert (can_cast_to);
1923 mono_method_desc_free (desc);
1924 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1926 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1928 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1929 mono_mb_emit_ptr (mb, &klass->byval_arg);
1930 mono_mb_emit_icall (mb, type_from_handle);
1931 mono_mb_emit_ldarg (mb, 0);
1933 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1934 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1936 mono_mb_emit_ldarg (mb, 0);
1937 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1941 mono_mb_patch_branch (mb, pos_failed);
1942 mono_mb_emit_byte (mb, CEE_LDNULL);
1946 mono_mb_patch_branch (mb, pos_end);
1947 mono_mb_emit_byte (mb, CEE_RET);
1950 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1951 info->d.proxy.klass = klass;
1952 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1959 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1962 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1963 klass = mono_class_from_mono_type (rtype->type);
1964 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1967 #else /* DISABLE_REMOTING */
1970 mono_remoting_init (void)
1974 #endif /* DISABLE_REMOTING */
1976 /* mono_get_xdomain_marshal_type()
1977 * Returns the kind of marshalling that a type needs for cross domain calls.
1979 static MonoXDomainMarshalType
1980 mono_get_xdomain_marshal_type (MonoType *t)
1983 case MONO_TYPE_VOID:
1984 g_assert_not_reached ();
1988 case MONO_TYPE_BOOLEAN:
1991 case MONO_TYPE_CHAR:
1998 return MONO_MARSHAL_NONE;
1999 case MONO_TYPE_STRING:
2000 return MONO_MARSHAL_COPY;
2001 case MONO_TYPE_ARRAY:
2002 case MONO_TYPE_SZARRAY: {
2003 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2004 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2005 return MONO_MARSHAL_COPY;
2011 return MONO_MARSHAL_SERIALIZE;
2014 /* mono_marshal_xdomain_copy_value
2015 * Makes a copy of "val" suitable for the current domain.
2018 mono_marshal_xdomain_copy_value (MonoObject *val)
2022 if (val == NULL) return NULL;
2024 domain = mono_domain_get ();
2026 switch (mono_object_class (val)->byval_arg.type) {
2027 case MONO_TYPE_VOID:
2028 g_assert_not_reached ();
2032 case MONO_TYPE_BOOLEAN:
2035 case MONO_TYPE_CHAR:
2041 case MONO_TYPE_R8: {
2042 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), &error);
2043 mono_error_raise_exception (&error); /* FIXME don't raise here */
2047 case MONO_TYPE_STRING: {
2048 MonoString *str = (MonoString *) val;
2049 MonoObject *res = NULL;
2050 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2051 mono_error_raise_exception (&error); /* FIXME don't raise here */
2054 case MONO_TYPE_ARRAY:
2055 case MONO_TYPE_SZARRAY: {
2057 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2058 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2059 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val, &error);
2060 mono_error_raise_exception (&error); /* FIXME don't raise here */
2062 if (mt == MONO_MARSHAL_COPY) {
2063 int i, len = mono_array_length (acopy);
2064 for (i = 0; i < len; i++) {
2065 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2066 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2069 return (MonoObject *) acopy;