2 * remoting.c: Remoting support
4 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
5 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
6 * Copyright 2011-2014 Xamarin, Inc (http://www.xamarin.com)
8 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
13 #include "mono/metadata/remoting.h"
14 #include "mono/metadata/marshal.h"
15 #include "mono/metadata/abi-details.h"
16 #include "mono/metadata/cominterop.h"
17 #include "mono/metadata/tabledefs.h"
18 #include "mono/metadata/exception.h"
19 #include "mono/metadata/debug-helpers.h"
20 #include "mono/metadata/reflection-internals.h"
23 MONO_MARSHAL_NONE, /* No marshalling needed */
24 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
25 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
26 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
27 } MonoXDomainMarshalType;
29 #ifndef DISABLE_REMOTING
31 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
35 #include "mono/cil/opcode.def"
40 struct _MonoRemotingMethods {
42 MonoMethod *invoke_with_check;
43 MonoMethod *xdomain_invoke;
44 MonoMethod *xdomain_dispatch;
47 typedef struct _MonoRemotingMethods MonoRemotingMethods;
50 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
53 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
56 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
59 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
61 static MonoXDomainMarshalType
62 mono_get_xdomain_marshal_type (MonoType *t);
65 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
67 static MonoReflectionType *
68 type_from_handle (MonoType *handle);
70 /* Class lazy loading functions */
71 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
72 static GENERATE_GET_CLASS_WITH_CACHE (call_context, System.Runtime.Remoting.Messaging, CallContext)
73 static GENERATE_GET_CLASS_WITH_CACHE (context, System.Runtime.Remoting.Contexts, Context)
75 static mono_mutex_t remoting_mutex;
76 static gboolean remoting_mutex_inited;
78 static MonoClass *byte_array_class;
80 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
81 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
85 mono_compile_method_icall (MonoMethod *method);
88 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
90 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
92 mono_register_jit_icall (func, name, sig, save);
98 g_assert (remoting_mutex_inited);
99 mono_os_mutex_lock (&remoting_mutex);
103 remoting_unlock (void)
105 g_assert (remoting_mutex_inited);
106 mono_os_mutex_unlock (&remoting_mutex);
110 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
113 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
119 g_hash_table_new (hash_func, equal_func);
120 mono_memory_barrier ();
129 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
135 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
136 mono_memory_barrier ();
145 mono_remoting_init (void)
147 mono_os_mutex_init (&remoting_mutex);
148 remoting_mutex_inited = TRUE;
152 mono_remoting_marshal_init (void)
156 static gboolean module_initialized = FALSE;
157 static gboolean icalls_registered = FALSE;
159 if (module_initialized)
162 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
165 klass = mono_class_get_remoting_services_class ();
166 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
167 g_assert (method_rs_serialize);
168 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
169 g_assert (method_rs_deserialize);
170 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
171 g_assert (method_rs_serialize_exc);
173 klass = mono_defaults.real_proxy_class;
174 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
175 g_assert (method_rs_appdomain_target);
177 klass = mono_defaults.exception_class;
178 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
179 g_assert (method_exc_fixexc);
181 klass = mono_class_get_call_context_class ();
182 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
183 g_assert (method_set_call_context);
185 klass = mono_class_get_context_class ();
186 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
187 g_assert (method_needs_context_sink);
192 if (!icalls_registered) {
193 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
194 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
195 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
196 register_icall (ves_icall_mono_marshal_xdomain_copy_value, "ves_icall_mono_marshal_xdomain_copy_value", "object object", FALSE);
197 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
198 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
199 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
200 register_icall (mono_compile_method_icall, "mono_compile_method_icall", "ptr ptr", FALSE);
201 /* mono_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 /* This is an icall, it will return NULL and set pending exception on failure */
214 static MonoReflectionType *
215 type_from_handle (MonoType *handle)
218 MonoReflectionType *ret;
219 MonoDomain *domain = mono_domain_get ();
220 MonoClass *klass = mono_class_from_mono_type (handle);
222 mono_class_init (klass);
224 ret = mono_type_get_object_checked (domain, handle, &error);
225 mono_error_set_pending_exception (&error);
232 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
235 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
236 mono_mb_emit_byte (mb, CEE_LDIND_I);
237 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
238 mono_mb_emit_byte (mb, CEE_ADD);
239 mono_mb_emit_byte (mb, CEE_LDIND_I);
240 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
241 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
242 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
243 pos = mono_mb_emit_branch (mb, branch_code);
248 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
251 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
252 mono_mb_emit_byte (mb, CEE_LDIND_REF);
253 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
254 mono_mb_emit_byte (mb, CEE_LDIND_I4);
255 mono_mb_emit_icon (mb, -1);
256 pos = mono_mb_emit_branch (mb, branch_code);
261 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
263 static int offset = -1;
267 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
269 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
270 mono_mb_emit_byte (mb, CEE_LDIND_REF);
271 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
272 mono_mb_emit_byte (mb, CEE_LDIND_REF);
273 mono_mb_emit_ldflda (mb, offset);
274 mono_mb_emit_byte (mb, CEE_LDIND_U1);
275 mono_mb_emit_icon (mb, mask);
276 mono_mb_emit_byte (mb, CEE_AND);
277 mono_mb_emit_icon (mb, 0);
278 return mono_mb_emit_branch (mb, branch_code);
280 #endif /* !DISABLE_JIT */
282 static inline MonoMethod*
283 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
285 MonoMethod *res = NULL;
286 MonoRemotingMethods *wrps = NULL;
288 mono_marshal_lock_internal ();
289 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
290 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
293 switch (wrapper_type) {
294 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
295 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
296 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
297 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
301 /* it is important to do the unlock after the load from wrps, since in
302 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
303 * to take the loader lock and some other thread may set the fields.
305 mono_marshal_unlock_internal ();
309 /* Create the method from the builder and place it in the cache */
310 static inline MonoMethod*
311 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
312 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
314 MonoMethod **res = NULL;
315 MonoRemotingMethods *wrps;
318 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
320 mono_marshal_lock_internal ();
321 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
323 wrps = g_new0 (MonoRemotingMethods, 1);
324 g_hash_table_insert (cache, key, wrps);
327 switch (mb->method->wrapper_type) {
328 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
329 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
330 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
331 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
332 default: g_assert_not_reached (); break;
334 mono_marshal_unlock_internal ();
338 newm = mono_mb_create_method (mb, sig, max_stack);
340 mono_marshal_lock_internal ();
343 mono_marshal_set_wrapper_info (*res, info);
344 mono_marshal_unlock_internal ();
346 mono_marshal_unlock_internal ();
347 mono_free_method (newm);
355 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
358 MonoMethodMessage *msg;
359 MonoTransparentProxy *this_obj;
360 MonoObject *res, *exc;
363 this_obj = *((MonoTransparentProxy **)params [0]);
366 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
368 /* skip the this pointer */
371 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
374 MonoMethodSignature *sig = mono_method_signature (method);
375 int count = sig->param_count;
376 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
378 for (i=0; i<count; i++) {
379 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
380 if (klass->valuetype) {
381 if (sig->params [i]->byref) {
382 mparams[i] = *((gpointer *)params [i]);
384 /* runtime_invoke expects a boxed instance */
385 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
386 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass, &error);
390 mparams[i] = params [i];
393 mparams[i] = *((gpointer**)params [i]);
397 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
404 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
408 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
413 mono_error_init (&error);
414 mono_error_set_exception_instance (&error, (MonoException *)exc);
418 mono_method_return_message_restore (method, params, out_args, &error);
419 if (!is_ok (&error)) goto fail;
423 /* This icall will be called from managed code, and more over
424 * from a protected wrapper so interruptions such as pending
425 * exceptions will not be honored. (See
426 * is_running_protected_wrapper () in threads.c and
427 * mono_marshal_get_remoting_invoke () in remoting.c)
429 mono_error_raise_exception (&error);
435 mono_marshal_get_remoting_invoke (MonoMethod *method)
437 MonoMethodSignature *sig;
438 MonoMethodBuilder *mb;
445 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
448 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
450 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
451 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
452 g_assert (vtable); /*FIXME do proper error handling*/
454 if (!mono_vtable_is_remote (vtable)) {
455 return mono_cominterop_get_invoke (method);
460 sig = mono_signature_no_pinvoke (method);
462 /* we cant remote methods without this pointer */
466 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
469 mono_remoting_marshal_init ();
471 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
474 mb->method->save_lmf = 1;
476 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
478 mono_mb_emit_ptr (mb, method);
479 mono_mb_emit_ldloc (mb, params_var);
480 mono_mb_emit_icall (mb, mono_remoting_wrapper);
481 // FIXME: this interrupt checkpoint code is a no-op since 'mb'
482 // is a MONO_WRAPPER_REMOTING_INVOKE, and
483 // mono_thread_interruption_checkpoint_request (FALSE)
484 // considers such wrappers "protected" and always returns
485 // NULL as if there's no pending interruption.
486 mono_marshal_emit_thread_interrupt_checkpoint (mb);
488 if (sig->ret->type == MONO_TYPE_VOID) {
489 mono_mb_emit_byte (mb, CEE_POP);
490 mono_mb_emit_byte (mb, CEE_RET);
492 mono_mb_emit_restore_result (mb, sig->ret);
496 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
497 info->d.remoting.method = method;
498 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
504 /* mono_marshal_xdomain_copy_out_value()
505 * Copies the contents of the src instance into the dst instance. src and dst
506 * must have the same type, and if they are arrays, the same size.
509 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
512 if (src == NULL || dst == NULL) return;
514 g_assert (mono_object_class (src) == mono_object_class (dst));
516 switch (mono_object_class (src)->byval_arg.type) {
517 case MONO_TYPE_ARRAY:
518 case MONO_TYPE_SZARRAY: {
519 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
520 if (mt == MONO_MARSHAL_SERIALIZE) return;
521 if (mt == MONO_MARSHAL_COPY) {
522 int i, len = mono_array_length ((MonoArray *)dst);
523 for (i = 0; i < len; i++) {
524 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
525 MonoObject *item_copy = mono_marshal_xdomain_copy_value (item, &error);
526 mono_error_raise_exception (&error); /* FIXME don't raise here */
527 mono_array_setref ((MonoArray *)dst, i, item_copy);
530 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
541 #if !defined (DISABLE_JIT)
543 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
545 mono_mb_emit_icall (mb, ves_icall_mono_marshal_xdomain_copy_value);
546 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
550 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
552 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
556 /* mono_marshal_supports_fast_xdomain()
557 * Returns TRUE if the method can use the fast xdomain wrapper.
560 mono_marshal_supports_fast_xdomain (MonoMethod *method)
562 return !mono_class_is_contextbound (method->klass) &&
563 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
567 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
569 MonoDomain *current_domain = mono_domain_get ();
570 MonoDomain *domain = mono_domain_get_by_id (id);
572 if (!domain || !mono_domain_set (domain, FALSE)) {
573 mono_set_pending_exception (mono_get_exception_appdomain_unloaded ());
578 mono_thread_push_appdomain_ref (domain);
580 mono_thread_pop_appdomain_ref ();
582 return current_domain->domain_id;
585 #if !defined (DISABLE_JIT)
587 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
589 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
593 mono_compile_method_icall (MonoMethod *method)
596 gpointer result = mono_compile_method_checked (method, &error);
597 mono_error_set_pending_exception (&error);
601 /* mono_marshal_emit_load_domain_method ()
602 * Loads into the stack a pointer to the code of the provided method for
603 * the current domain.
606 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
608 /* We need a pointer to the method for the running domain (not the domain
609 * that compiles the method).
611 mono_mb_emit_ptr (mb, method);
612 mono_mb_emit_icall (mb, mono_compile_method_icall);
616 /* mono_marshal_check_domain_image ()
617 * Returns TRUE if the image is loaded in the specified
618 * application domain.
621 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
626 MonoDomain *domain = mono_domain_get_by_id (domain_id);
630 mono_domain_assemblies_lock (domain);
631 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
632 ass = (MonoAssembly *)tmp->data;
633 if (ass->image == image)
636 mono_domain_assemblies_unlock (domain);
641 /* mono_marshal_get_xappdomain_dispatch ()
642 * Generates a method that dispatches a method call from another domain into
643 * the current domain.
646 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
648 MonoMethodSignature *sig, *csig;
649 MonoMethodBuilder *mb;
651 int i, j, param_index, copy_locals_base;
652 MonoClass *ret_class = NULL;
653 int loc_array=0, loc_return=0, loc_serialized_exc=0;
654 MonoExceptionClause *main_clause;
656 gboolean copy_return;
659 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
662 sig = mono_method_signature (method);
663 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
666 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
667 csig->params [j++] = &mono_defaults.object_class->byval_arg;
668 csig->params [j++] = &byte_array_class->this_arg;
669 csig->params [j++] = &byte_array_class->this_arg;
670 for (i = 0; i < sig->param_count; i++) {
671 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
672 csig->params [j++] = sig->params [i];
675 csig->ret = sig->ret;
677 csig->ret = &mono_defaults.void_class->byval_arg;
679 csig->hasthis = FALSE;
681 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
682 mb->method->save_lmf = 1;
687 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
688 if (complex_count > 0)
689 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
690 if (sig->ret->type != MONO_TYPE_VOID) {
691 loc_return = mono_mb_add_local (mb, sig->ret);
692 ret_class = mono_class_from_mono_type (sig->ret);
697 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
698 main_clause->try_offset = mono_mb_get_label (mb);
700 /* Clean the call context */
702 mono_mb_emit_byte (mb, CEE_LDNULL);
703 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
704 mono_mb_emit_byte (mb, CEE_POP);
706 /* Deserialize call data */
708 mono_mb_emit_ldarg (mb, 1);
709 mono_mb_emit_byte (mb, CEE_LDIND_REF);
710 mono_mb_emit_byte (mb, CEE_DUP);
711 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
713 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
714 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
716 if (complex_count > 0)
717 mono_mb_emit_stloc (mb, loc_array);
719 mono_mb_emit_byte (mb, CEE_POP);
721 mono_mb_patch_short_branch (mb, pos);
723 /* Get the target object */
725 mono_mb_emit_ldarg (mb, 0);
726 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
728 /* Load the arguments */
730 copy_locals_base = mb->locals;
731 param_index = 3; // Index of the first non-serialized parameter of this wrapper
733 for (i = 0; i < sig->param_count; i++) {
734 MonoType *pt = sig->params [i];
735 MonoClass *pclass = mono_class_from_mono_type (pt);
736 switch (marshal_types [i]) {
737 case MONO_MARSHAL_SERIALIZE: {
738 /* take the value from the serialized array */
739 mono_mb_emit_ldloc (mb, loc_array);
740 mono_mb_emit_icon (mb, j++);
742 if (pclass->valuetype) {
743 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
744 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
746 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
749 if (pclass->valuetype) {
750 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
751 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
752 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
754 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
755 if (pclass != mono_defaults.object_class) {
756 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
762 case MONO_MARSHAL_COPY_OUT: {
763 /* Keep a local copy of the value since we need to copy it back after the call */
764 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
765 mono_mb_emit_ldarg (mb, param_index++);
766 mono_marshal_emit_xdomain_copy_value (mb, pclass);
767 mono_mb_emit_byte (mb, CEE_DUP);
768 mono_mb_emit_stloc (mb, copy_local);
771 case MONO_MARSHAL_COPY: {
772 mono_mb_emit_ldarg (mb, param_index);
774 mono_mb_emit_byte (mb, CEE_DUP);
775 mono_mb_emit_byte (mb, CEE_DUP);
776 mono_mb_emit_byte (mb, CEE_LDIND_REF);
777 mono_marshal_emit_xdomain_copy_value (mb, pclass);
778 mono_mb_emit_byte (mb, CEE_STIND_REF);
780 mono_marshal_emit_xdomain_copy_value (mb, pclass);
785 case MONO_MARSHAL_NONE:
786 mono_mb_emit_ldarg (mb, param_index++);
791 /* Make the call to the real object */
793 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
795 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
797 if (sig->ret->type != MONO_TYPE_VOID)
798 mono_mb_emit_stloc (mb, loc_return);
800 /* copy back MONO_MARSHAL_COPY_OUT parameters */
804 for (i = 0; i < sig->param_count; i++) {
805 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
806 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
807 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
808 mono_mb_emit_ldarg (mb, param_index);
809 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
814 /* Serialize the return values */
816 if (complex_out_count > 0) {
817 /* Reset parameters in the array that don't need to be serialized back */
819 for (i = 0; i < sig->param_count; i++) {
820 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
821 if (!sig->params [i]->byref) {
822 mono_mb_emit_ldloc (mb, loc_array);
823 mono_mb_emit_icon (mb, j);
824 mono_mb_emit_byte (mb, CEE_LDNULL);
825 mono_mb_emit_byte (mb, CEE_STELEM_REF);
830 /* Add the return value to the array */
832 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
833 mono_mb_emit_ldloc (mb, loc_array);
834 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
835 mono_mb_emit_ldloc (mb, loc_return);
837 g_assert (ret_class); /*FIXME properly fail here*/
838 if (ret_class->valuetype) {
839 mono_mb_emit_op (mb, CEE_BOX, ret_class);
841 mono_mb_emit_byte (mb, CEE_STELEM_REF);
846 mono_mb_emit_ldarg (mb, 1);
847 mono_mb_emit_ldloc (mb, loc_array);
848 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
849 mono_mb_emit_byte (mb, CEE_STIND_REF);
850 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
851 mono_mb_emit_ldarg (mb, 1);
852 mono_mb_emit_ldloc (mb, loc_return);
853 if (ret_class->valuetype) {
854 mono_mb_emit_op (mb, CEE_BOX, ret_class);
856 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
857 mono_mb_emit_byte (mb, CEE_STIND_REF);
859 mono_mb_emit_ldarg (mb, 1);
860 mono_mb_emit_byte (mb, CEE_LDNULL);
861 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
862 mono_mb_emit_byte (mb, CEE_STIND_REF);
865 mono_mb_emit_ldarg (mb, 2);
866 mono_mb_emit_byte (mb, CEE_LDNULL);
867 mono_mb_emit_byte (mb, CEE_STIND_REF);
868 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
870 /* Main exception catch */
871 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
872 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
873 main_clause->data.catch_class = mono_defaults.object_class;
876 main_clause->handler_offset = mono_mb_get_label (mb);
877 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
878 mono_mb_emit_stloc (mb, loc_serialized_exc);
879 mono_mb_emit_ldarg (mb, 2);
880 mono_mb_emit_ldloc (mb, loc_serialized_exc);
881 mono_mb_emit_byte (mb, CEE_STIND_REF);
882 mono_mb_emit_branch (mb, CEE_LEAVE);
883 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
886 mono_mb_patch_branch (mb, pos_leave);
889 mono_mb_emit_ldloc (mb, loc_return);
891 mono_mb_emit_byte (mb, CEE_RET);
893 mono_mb_set_clauses (mb, 1, main_clause);
896 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
897 info->d.remoting.method = method;
898 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
904 /* mono_marshal_get_xappdomain_invoke ()
905 * Generates a fast remoting wrapper for cross app domain calls.
908 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
910 MonoMethodSignature *sig;
911 MonoMethodBuilder *mb;
913 int i, j, complex_count, complex_out_count, copy_locals_base;
915 MonoClass *ret_class = NULL;
916 MonoMethod *xdomain_method;
917 int ret_marshal_type = MONO_MARSHAL_NONE;
918 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
919 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
920 int pos, pos_dispatch, pos_noex;
921 gboolean copy_return = FALSE;
926 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
929 /* we cant remote methods without this pointer */
930 if (!mono_method_signature (method)->hasthis)
933 mono_remoting_marshal_init ();
935 if (!mono_marshal_supports_fast_xdomain (method))
936 return mono_marshal_get_remoting_invoke (method);
938 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
941 sig = mono_signature_no_pinvoke (method);
943 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
944 mb->method->save_lmf = 1;
946 /* Count the number of parameters that need to be serialized */
948 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
949 complex_count = complex_out_count = 0;
950 for (i = 0; i < sig->param_count; i++) {
951 MonoType *ptype = sig->params[i];
952 int mt = mono_get_xdomain_marshal_type (ptype);
954 /* If the [Out] attribute is applied to a parameter that can be internally copied,
955 * the copy will be made by reusing the original object instance
957 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
958 mt = MONO_MARSHAL_COPY_OUT;
959 else if (mt == MONO_MARSHAL_SERIALIZE) {
961 if (ptype->byref) complex_out_count++;
963 marshal_types [i] = mt;
966 if (sig->ret->type != MONO_TYPE_VOID) {
967 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
968 ret_class = mono_class_from_mono_type (sig->ret);
969 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
975 if (complex_count > 0)
976 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
977 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
978 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
980 loc_return = mono_mb_add_local (mb, sig->ret);
981 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
982 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
983 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
984 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
986 /* Save thread domain data */
988 mono_mb_emit_icall (mb, mono_context_get);
989 mono_mb_emit_byte (mb, CEE_DUP);
990 mono_mb_emit_stloc (mb, loc_context);
992 /* If the thread is not running in the default context, it needs to go
993 * through the whole remoting sink, since the context is going to change
995 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
996 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
998 /* Another case in which the fast path can't be used: when the target domain
999 * has a different image for the same assembly.
1002 /* Get the target domain id */
1004 mono_mb_emit_ldarg (mb, 0);
1005 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1006 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1007 mono_mb_emit_byte (mb, CEE_DUP);
1008 mono_mb_emit_stloc (mb, loc_real_proxy);
1010 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
1011 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1012 mono_mb_emit_stloc (mb, loc_domainid);
1014 /* Check if the target domain has the same image for the required assembly */
1016 mono_mb_emit_ldloc (mb, loc_domainid);
1017 mono_mb_emit_ptr (mb, method->klass->image);
1018 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
1019 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
1021 /* Use the whole remoting sink to dispatch this message */
1023 mono_mb_patch_short_branch (mb, pos);
1025 mono_mb_emit_ldarg (mb, 0);
1026 for (i = 0; i < sig->param_count; i++)
1027 mono_mb_emit_ldarg (mb, i + 1);
1029 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
1030 mono_mb_emit_byte (mb, CEE_RET);
1031 mono_mb_patch_short_branch (mb, pos_dispatch);
1033 /* Create the array that will hold the parameters to be serialized */
1035 if (complex_count > 0) {
1036 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 */
1037 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
1040 for (i = 0; i < sig->param_count; i++) {
1042 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1043 pclass = mono_class_from_mono_type (sig->params[i]);
1044 mono_mb_emit_byte (mb, CEE_DUP);
1045 mono_mb_emit_icon (mb, j);
1046 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1047 if (sig->params[i]->byref) {
1048 if (pclass->valuetype)
1049 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1051 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1053 if (pclass->valuetype)
1054 mono_mb_emit_op (mb, CEE_BOX, pclass);
1055 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1058 mono_mb_emit_stloc (mb, loc_array);
1060 /* Serialize parameters */
1062 mono_mb_emit_ldloc (mb, loc_array);
1063 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1064 mono_mb_emit_stloc (mb, loc_serialized_data);
1066 mono_mb_emit_byte (mb, CEE_LDNULL);
1067 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1068 mono_mb_emit_stloc (mb, loc_serialized_data);
1073 mono_mb_emit_ldloc (mb, loc_domainid);
1074 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1075 mono_marshal_emit_switch_domain (mb);
1076 mono_mb_emit_stloc (mb, loc_old_domainid);
1078 /* Load the arguments */
1080 mono_mb_emit_ldloc (mb, loc_real_proxy);
1081 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1082 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1084 copy_locals_base = mb->locals;
1085 for (i = 0; i < sig->param_count; i++) {
1086 switch (marshal_types [i]) {
1087 case MONO_MARSHAL_SERIALIZE:
1089 case MONO_MARSHAL_COPY: {
1090 mono_mb_emit_ldarg (mb, i+1);
1091 if (sig->params [i]->byref) {
1092 /* make a local copy of the byref parameter. The real parameter
1093 * will be updated after the xdomain call
1095 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1096 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1097 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1098 mono_mb_emit_stloc (mb, copy_local);
1099 mono_mb_emit_ldloc_addr (mb, copy_local);
1103 case MONO_MARSHAL_COPY_OUT:
1104 case MONO_MARSHAL_NONE:
1105 mono_mb_emit_ldarg (mb, i+1);
1110 /* Make the call to the invoke wrapper in the target domain */
1112 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1113 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1114 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1117 mono_mb_emit_stloc (mb, loc_return);
1121 mono_mb_emit_ldloc (mb, loc_old_domainid);
1122 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1123 mono_marshal_emit_switch_domain (mb);
1124 mono_mb_emit_byte (mb, CEE_POP);
1126 /* Restore thread domain data */
1128 mono_mb_emit_ldloc (mb, loc_context);
1129 mono_mb_emit_icall (mb, mono_context_set);
1131 /* if (loc_serialized_exc != null) ... */
1133 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1134 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1136 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1137 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1138 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1139 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1140 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1141 mono_mb_emit_byte (mb, CEE_THROW);
1142 mono_mb_patch_short_branch (mb, pos_noex);
1144 /* copy back non-serialized output parameters */
1147 for (i = 0; i < sig->param_count; i++) {
1148 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1149 mono_mb_emit_ldarg (mb, i + 1);
1150 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1151 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1152 mono_mb_emit_byte (mb, CEE_STIND_REF);
1155 /* Deserialize out parameters */
1157 if (complex_out_count > 0) {
1158 mono_mb_emit_ldloc (mb, loc_serialized_data);
1159 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1160 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1161 mono_mb_emit_stloc (mb, loc_array);
1163 /* Copy back output parameters and return type */
1166 for (i = 0; i < sig->param_count; i++) {
1167 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1168 if (sig->params[i]->byref) {
1169 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1170 mono_mb_emit_ldarg (mb, i + 1);
1171 mono_mb_emit_ldloc (mb, loc_array);
1172 mono_mb_emit_icon (mb, j);
1173 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1174 if (pclass->valuetype) {
1175 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1176 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1177 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1179 if (pclass != mono_defaults.object_class)
1180 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1181 mono_mb_emit_byte (mb, CEE_STIND_REF);
1187 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1188 mono_mb_emit_ldloc (mb, loc_array);
1189 mono_mb_emit_icon (mb, complex_count);
1190 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1191 if (ret_class->valuetype) {
1192 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1193 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1196 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1197 mono_mb_emit_ldloc (mb, loc_serialized_data);
1198 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1199 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1200 if (ret_class->valuetype) {
1201 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1202 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1203 } else if (ret_class != mono_defaults.object_class) {
1204 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1207 mono_mb_emit_ldloc (mb, loc_serialized_data);
1208 mono_mb_emit_byte (mb, CEE_DUP);
1209 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1210 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1212 mono_mb_patch_short_branch (mb, pos);
1213 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1214 mono_mb_emit_byte (mb, CEE_POP);
1218 mono_mb_emit_ldloc (mb, loc_return);
1219 if (ret_marshal_type == MONO_MARSHAL_COPY)
1220 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1223 mono_mb_emit_byte (mb, CEE_RET);
1224 #endif /* DISABLE_JIT */
1226 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1227 info->d.remoting.method = method;
1228 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1235 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1237 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1238 return mono_marshal_get_xappdomain_invoke (method);
1239 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1241 return mono_cominterop_get_invoke (method);
1243 g_assert_not_reached ();
1246 return mono_marshal_get_remoting_invoke (method);
1252 G_GNUC_UNUSED static gpointer
1253 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1256 MonoMethod *marshal_method = NULL;
1257 if (rp->target_domain_id != -1)
1258 marshal_method = mono_marshal_get_xappdomain_invoke (method);
1260 marshal_method = mono_marshal_get_remoting_invoke (method);
1261 gpointer compiled_ptr = mono_compile_method_checked (marshal_method, &error);
1262 mono_error_raise_exception (&error); /* FIXME don't raise here */
1263 return compiled_ptr;
1267 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1269 MonoMethodSignature *sig;
1270 MonoMethodBuilder *mb;
1271 MonoMethod *res, *native;
1273 int i, pos, pos_rem;
1277 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1280 /* we cant remote methods without this pointer */
1281 g_assert (mono_method_signature (method)->hasthis);
1283 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1286 sig = mono_signature_no_pinvoke (method);
1288 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1291 for (i = 0; i <= sig->param_count; i++)
1292 mono_mb_emit_ldarg (mb, i);
1294 mono_mb_emit_ldarg (mb, 0);
1295 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1297 if (mono_marshal_supports_fast_xdomain (method)) {
1298 mono_mb_emit_ldarg (mb, 0);
1299 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1301 /* wrapper for cross app domain calls */
1302 native = mono_marshal_get_xappdomain_invoke (method);
1303 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1304 mono_mb_emit_byte (mb, CEE_RET);
1306 mono_mb_patch_branch (mb, pos_rem);
1308 /* wrapper for normal remote calls */
1309 native = mono_marshal_get_remoting_invoke (method);
1310 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1311 mono_mb_emit_byte (mb, CEE_RET);
1314 mono_mb_patch_branch (mb, pos);
1315 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1316 mono_mb_emit_byte (mb, CEE_RET);
1319 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1320 info->d.remoting.method = method;
1321 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1328 * mono_marshal_get_ldfld_remote_wrapper:
1329 * @klass: The return type
1331 * This method generates a wrapper for calling mono_load_remote_field_new.
1332 * The return type is ignored for now, as mono_load_remote_field_new () always
1333 * returns an object. In the future, to optimize some codepaths, we might
1334 * call a different function that takes a pointer to a valuetype, instead.
1337 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1339 MonoMethodSignature *sig;
1340 MonoMethodBuilder *mb;
1342 static MonoMethod* cached = NULL;
1344 mono_marshal_lock_internal ();
1346 mono_marshal_unlock_internal ();
1349 mono_marshal_unlock_internal ();
1351 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1353 mb->method->save_lmf = 1;
1355 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1356 sig->params [0] = &mono_defaults.object_class->byval_arg;
1357 sig->params [1] = &mono_defaults.int_class->byval_arg;
1358 sig->params [2] = &mono_defaults.int_class->byval_arg;
1359 sig->ret = &mono_defaults.object_class->byval_arg;
1362 mono_mb_emit_ldarg (mb, 0);
1363 mono_mb_emit_ldarg (mb, 1);
1364 mono_mb_emit_ldarg (mb, 2);
1366 mono_mb_emit_icall (mb, mono_load_remote_field_new_icall);
1368 mono_mb_emit_byte (mb, CEE_RET);
1371 mono_marshal_lock_internal ();
1373 mono_marshal_unlock_internal ();
1376 newm = mono_mb_create (mb, sig, 4, NULL);
1377 mono_marshal_lock_internal ();
1382 mono_marshal_unlock_internal ();
1384 mono_marshal_unlock_internal ();
1385 mono_free_method (newm);
1394 * mono_marshal_get_ldfld_wrapper:
1395 * @type: the type of the field
1397 * This method generates a function which can be use to load a field with type
1398 * @type from an object. The generated function has the following signature:
1399 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1402 mono_marshal_get_ldfld_wrapper (MonoType *type)
1404 MonoMethodSignature *sig;
1405 MonoMethodBuilder *mb;
1411 int t, pos0, pos1 = 0;
1413 type = mono_type_get_underlying_type (type);
1418 if (type->type == MONO_TYPE_SZARRAY) {
1419 klass = mono_defaults.array_class;
1420 } else if (type->type == MONO_TYPE_VALUETYPE) {
1421 klass = type->data.klass;
1422 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1423 klass = mono_defaults.object_class;
1424 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1425 klass = mono_defaults.int_class;
1426 } else if (t == MONO_TYPE_GENERICINST) {
1427 if (mono_type_generic_inst_is_valuetype (type))
1428 klass = mono_class_from_mono_type (type);
1430 klass = mono_defaults.object_class;
1432 klass = mono_class_from_mono_type (type);
1435 klass = mono_defaults.int_class;
1438 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1439 if ((res = mono_marshal_find_in_cache (cache, klass)))
1442 /* we add the %p pointer value of klass because class names are not unique */
1443 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1444 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1447 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1448 sig->params [0] = &mono_defaults.object_class->byval_arg;
1449 sig->params [1] = &mono_defaults.int_class->byval_arg;
1450 sig->params [2] = &mono_defaults.int_class->byval_arg;
1451 sig->params [3] = &mono_defaults.int_class->byval_arg;
1452 sig->ret = &klass->byval_arg;
1455 mono_mb_emit_ldarg (mb, 0);
1456 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1458 mono_mb_emit_ldarg (mb, 0);
1459 mono_mb_emit_ldarg (mb, 1);
1460 mono_mb_emit_ldarg (mb, 2);
1462 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1465 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1466 csig->params [0] = &mono_defaults.object_class->byval_arg;
1467 csig->params [1] = &mono_defaults.int_class->byval_arg;
1468 csig->params [2] = &mono_defaults.int_class->byval_arg;
1469 csig->ret = &klass->this_arg;
1472 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1473 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1476 if (klass->valuetype) {
1477 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1478 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1480 mono_mb_emit_byte (mb, CEE_RET);
1483 mono_mb_patch_branch (mb, pos0);
1485 mono_mb_emit_ldarg (mb, 0);
1486 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1487 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1488 mono_mb_emit_ldarg (mb, 3);
1489 mono_mb_emit_byte (mb, CEE_ADD);
1491 if (klass->valuetype)
1492 mono_mb_patch_branch (mb, pos1);
1497 case MONO_TYPE_BOOLEAN:
1498 case MONO_TYPE_CHAR:
1507 case MONO_TYPE_ARRAY:
1508 case MONO_TYPE_SZARRAY:
1509 case MONO_TYPE_OBJECT:
1510 case MONO_TYPE_CLASS:
1511 case MONO_TYPE_STRING:
1515 case MONO_TYPE_FNPTR:
1516 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1518 case MONO_TYPE_VALUETYPE:
1519 g_assert (!klass->enumtype);
1520 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1522 case MONO_TYPE_GENERICINST:
1523 if (mono_type_generic_inst_is_valuetype (type)) {
1524 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1526 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1530 case MONO_TYPE_MVAR:
1531 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1534 g_warning ("type %x not implemented", type->type);
1535 g_assert_not_reached ();
1538 mono_mb_emit_byte (mb, CEE_RET);
1539 #endif /* DISABLE_JIT */
1541 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1542 info->d.proxy.klass = klass;
1543 res = mono_mb_create_and_cache_full (cache, klass,
1544 mb, sig, sig->param_count + 16, info, NULL);
1551 * mono_marshal_get_ldflda_wrapper:
1552 * @type: the type of the field
1554 * This method generates a function which can be used to load a field address
1555 * from an object. The generated function has the following signature:
1556 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1559 mono_marshal_get_ldflda_wrapper (MonoType *type)
1561 MonoMethodSignature *sig;
1562 MonoMethodBuilder *mb;
1568 int t, pos0, pos1, pos2, pos3;
1570 type = mono_type_get_underlying_type (type);
1574 if (type->type == MONO_TYPE_SZARRAY) {
1575 klass = mono_defaults.array_class;
1576 } else if (type->type == MONO_TYPE_VALUETYPE) {
1577 klass = type->data.klass;
1578 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1579 t == MONO_TYPE_CLASS) {
1580 klass = mono_defaults.object_class;
1581 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1582 klass = mono_defaults.int_class;
1583 } else if (t == MONO_TYPE_GENERICINST) {
1584 if (mono_type_generic_inst_is_valuetype (type))
1585 klass = mono_class_from_mono_type (type);
1587 klass = mono_defaults.object_class;
1589 klass = mono_class_from_mono_type (type);
1592 klass = mono_defaults.int_class;
1595 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1596 if ((res = mono_marshal_find_in_cache (cache, klass)))
1599 /* we add the %p pointer value of klass because class names are not unique */
1600 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1601 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1604 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1605 sig->params [0] = &mono_defaults.object_class->byval_arg;
1606 sig->params [1] = &mono_defaults.int_class->byval_arg;
1607 sig->params [2] = &mono_defaults.int_class->byval_arg;
1608 sig->params [3] = &mono_defaults.int_class->byval_arg;
1609 sig->ret = &mono_defaults.int_class->byval_arg;
1612 /* if typeof (this) != transparent_proxy goto pos0 */
1613 mono_mb_emit_ldarg (mb, 0);
1614 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1616 /* if same_appdomain goto pos1 */
1617 mono_mb_emit_ldarg (mb, 0);
1618 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1620 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1622 /* same app domain */
1623 mono_mb_patch_branch (mb, pos1);
1625 /* if typeof (this) != contextbound goto pos2 */
1626 mono_mb_emit_ldarg (mb, 0);
1627 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1629 /* if this->rp->context == mono_context_get goto pos3 */
1630 mono_mb_emit_ldarg (mb, 0);
1631 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1632 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1633 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1634 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1635 mono_mb_emit_icall (mb, mono_context_get);
1636 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1638 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1640 mono_mb_patch_branch (mb, pos2);
1641 mono_mb_patch_branch (mb, pos3);
1643 /* return the address of the field from this->rp->unwrapped_server */
1644 mono_mb_emit_ldarg (mb, 0);
1645 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1646 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1647 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1648 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1649 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1650 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1651 mono_mb_emit_ldarg (mb, 3);
1652 mono_mb_emit_byte (mb, CEE_ADD);
1653 mono_mb_emit_byte (mb, CEE_RET);
1655 /* not a proxy: return the address of the field directly */
1656 mono_mb_patch_branch (mb, pos0);
1658 mono_mb_emit_ldarg (mb, 0);
1659 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1660 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1661 mono_mb_emit_ldarg (mb, 3);
1662 mono_mb_emit_byte (mb, CEE_ADD);
1664 mono_mb_emit_byte (mb, CEE_RET);
1667 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1668 info->d.proxy.klass = klass;
1669 res = mono_mb_create_and_cache_full (cache, klass,
1670 mb, sig, sig->param_count + 16,
1678 * mono_marshal_get_stfld_remote_wrapper:
1679 * klass: The type of the field
1681 * This function generates a wrapper for calling mono_store_remote_field_new
1682 * with the appropriate signature.
1683 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1684 * klass argument anymore.
1687 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1689 MonoMethodSignature *sig;
1690 MonoMethodBuilder *mb;
1692 static MonoMethod *cached = NULL;
1694 mono_marshal_lock_internal ();
1696 mono_marshal_unlock_internal ();
1699 mono_marshal_unlock_internal ();
1701 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1703 mb->method->save_lmf = 1;
1705 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1706 sig->params [0] = &mono_defaults.object_class->byval_arg;
1707 sig->params [1] = &mono_defaults.int_class->byval_arg;
1708 sig->params [2] = &mono_defaults.int_class->byval_arg;
1709 sig->params [3] = &mono_defaults.object_class->byval_arg;
1710 sig->ret = &mono_defaults.void_class->byval_arg;
1713 mono_mb_emit_ldarg (mb, 0);
1714 mono_mb_emit_ldarg (mb, 1);
1715 mono_mb_emit_ldarg (mb, 2);
1716 mono_mb_emit_ldarg (mb, 3);
1718 mono_mb_emit_icall (mb, mono_store_remote_field_new_icall);
1720 mono_mb_emit_byte (mb, CEE_RET);
1723 mono_marshal_lock_internal ();
1725 mono_marshal_unlock_internal ();
1728 newm = mono_mb_create (mb, sig, 6, NULL);
1729 mono_marshal_lock_internal ();
1734 mono_marshal_unlock_internal ();
1736 mono_marshal_unlock_internal ();
1737 mono_free_method (newm);
1746 * mono_marshal_get_stfld_wrapper:
1747 * @type: the type of the field
1749 * This method generates a function which can be use to store a field with type
1750 * @type. The generated function has the following signature:
1751 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1754 mono_marshal_get_stfld_wrapper (MonoType *type)
1756 MonoMethodSignature *sig;
1757 MonoMethodBuilder *mb;
1765 type = mono_type_get_underlying_type (type);
1769 if (type->type == MONO_TYPE_SZARRAY) {
1770 klass = mono_defaults.array_class;
1771 } else if (type->type == MONO_TYPE_VALUETYPE) {
1772 klass = type->data.klass;
1773 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1774 klass = mono_defaults.object_class;
1775 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1776 klass = mono_defaults.int_class;
1777 } else if (t == MONO_TYPE_GENERICINST) {
1778 if (mono_type_generic_inst_is_valuetype (type))
1779 klass = mono_class_from_mono_type (type);
1781 klass = mono_defaults.object_class;
1783 klass = mono_class_from_mono_type (type);
1786 klass = mono_defaults.int_class;
1789 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1790 if ((res = mono_marshal_find_in_cache (cache, klass)))
1793 /* we add the %p pointer value of klass because class names are not unique */
1794 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1795 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1798 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1799 sig->params [0] = &mono_defaults.object_class->byval_arg;
1800 sig->params [1] = &mono_defaults.int_class->byval_arg;
1801 sig->params [2] = &mono_defaults.int_class->byval_arg;
1802 sig->params [3] = &mono_defaults.int_class->byval_arg;
1803 sig->params [4] = &klass->byval_arg;
1804 sig->ret = &mono_defaults.void_class->byval_arg;
1807 mono_mb_emit_ldarg (mb, 0);
1808 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1810 mono_mb_emit_ldarg (mb, 0);
1811 mono_mb_emit_ldarg (mb, 1);
1812 mono_mb_emit_ldarg (mb, 2);
1813 mono_mb_emit_ldarg (mb, 4);
1814 if (klass->valuetype)
1815 mono_mb_emit_op (mb, CEE_BOX, klass);
1817 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1819 mono_mb_emit_byte (mb, CEE_RET);
1821 mono_mb_patch_branch (mb, pos);
1823 mono_mb_emit_ldarg (mb, 0);
1824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1825 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1826 mono_mb_emit_ldarg (mb, 3);
1827 mono_mb_emit_byte (mb, CEE_ADD);
1828 mono_mb_emit_ldarg (mb, 4);
1833 case MONO_TYPE_BOOLEAN:
1834 case MONO_TYPE_CHAR:
1843 case MONO_TYPE_ARRAY:
1844 case MONO_TYPE_SZARRAY:
1845 case MONO_TYPE_OBJECT:
1846 case MONO_TYPE_CLASS:
1847 case MONO_TYPE_STRING:
1851 case MONO_TYPE_FNPTR:
1852 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1854 case MONO_TYPE_VALUETYPE:
1855 g_assert (!klass->enumtype);
1856 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1858 case MONO_TYPE_GENERICINST:
1860 case MONO_TYPE_MVAR:
1861 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1864 g_warning ("type %x not implemented", type->type);
1865 g_assert_not_reached ();
1868 mono_mb_emit_byte (mb, CEE_RET);
1871 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1872 info->d.proxy.klass = klass;
1873 res = mono_mb_create_and_cache_full (cache, klass,
1874 mb, sig, sig->param_count + 16,
1882 mono_marshal_get_proxy_cancast (MonoClass *klass)
1884 static MonoMethodSignature *isint_sig = NULL;
1888 int pos_failed, pos_end;
1889 char *name, *klass_name;
1890 MonoMethod *can_cast_to;
1891 MonoMethodDesc *desc;
1892 MonoMethodBuilder *mb;
1894 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1895 if ((res = mono_marshal_find_in_cache (cache, klass)))
1899 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1900 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1901 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1902 isint_sig->pinvoke = 0;
1905 klass_name = mono_type_full_name (&klass->byval_arg);
1906 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1907 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1908 g_free (klass_name);
1911 mb->method->save_lmf = 1;
1914 /* get the real proxy from the transparent proxy*/
1915 mono_mb_emit_ldarg (mb, 0);
1916 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1917 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1919 /* get the reflection type from the type handle */
1920 mono_mb_emit_ptr (mb, &klass->byval_arg);
1921 mono_mb_emit_icall (mb, type_from_handle);
1923 mono_mb_emit_ldarg (mb, 0);
1925 /* make the call to CanCastTo (type, ob) */
1926 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1927 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1928 g_assert (can_cast_to);
1929 mono_method_desc_free (desc);
1930 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1932 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1934 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1935 mono_mb_emit_ptr (mb, &klass->byval_arg);
1936 mono_mb_emit_icall (mb, type_from_handle);
1937 mono_mb_emit_ldarg (mb, 0);
1939 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1940 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1942 mono_mb_emit_ldarg (mb, 0);
1943 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1947 mono_mb_patch_branch (mb, pos_failed);
1948 mono_mb_emit_byte (mb, CEE_LDNULL);
1952 mono_mb_patch_branch (mb, pos_end);
1953 mono_mb_emit_byte (mb, CEE_RET);
1956 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1957 info->d.proxy.klass = klass;
1958 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1965 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1968 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1969 klass = mono_class_from_mono_type (rtype->type);
1970 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1973 #else /* DISABLE_REMOTING */
1976 mono_remoting_init (void)
1980 #endif /* DISABLE_REMOTING */
1982 /* mono_get_xdomain_marshal_type()
1983 * Returns the kind of marshalling that a type needs for cross domain calls.
1985 static MonoXDomainMarshalType
1986 mono_get_xdomain_marshal_type (MonoType *t)
1989 case MONO_TYPE_VOID:
1990 g_assert_not_reached ();
1994 case MONO_TYPE_BOOLEAN:
1997 case MONO_TYPE_CHAR:
2004 return MONO_MARSHAL_NONE;
2005 case MONO_TYPE_STRING:
2006 return MONO_MARSHAL_COPY;
2007 case MONO_TYPE_ARRAY:
2008 case MONO_TYPE_SZARRAY: {
2009 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2010 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2011 return MONO_MARSHAL_COPY;
2017 return MONO_MARSHAL_SERIALIZE;
2020 /* mono_marshal_xdomain_copy_value
2021 * Makes a copy of "val" suitable for the current domain.
2024 mono_marshal_xdomain_copy_value (MonoObject *val, MonoError *error)
2026 mono_error_init (error);
2028 if (val == NULL) return NULL;
2030 domain = mono_domain_get ();
2032 switch (mono_object_class (val)->byval_arg.type) {
2033 case MONO_TYPE_VOID:
2034 g_assert_not_reached ();
2038 case MONO_TYPE_BOOLEAN:
2041 case MONO_TYPE_CHAR:
2047 case MONO_TYPE_R8: {
2048 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), error);
2052 case MONO_TYPE_STRING: {
2053 MonoString *str = (MonoString *) val;
2054 MonoObject *res = NULL;
2055 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), error);
2058 case MONO_TYPE_ARRAY:
2059 case MONO_TYPE_SZARRAY: {
2061 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2062 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2063 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val, error);
2064 return_val_if_nok (error, NULL);
2066 if (mt == MONO_MARSHAL_COPY) {
2067 int i, len = mono_array_length (acopy);
2068 for (i = 0; i < len; i++) {
2069 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2070 MonoObject *item_copy = mono_marshal_xdomain_copy_value (item, error);
2071 return_val_if_nok (error, NULL);
2072 mono_array_setref (acopy, i, item_copy);
2075 return (MonoObject *) acopy;
2084 /* mono_marshal_xdomain_copy_value
2085 * Makes a copy of "val" suitable for the current domain.
2088 ves_icall_mono_marshal_xdomain_copy_value (MonoObject *val)
2091 MonoObject *result = mono_marshal_xdomain_copy_value (val, &error);
2092 mono_error_set_pending_exception (&error);