2 * remoting.c: Remoting support
4 * Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
5 * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
6 * Copyright 2011-2014 Xamarin, Inc (http://www.xamarin.com)
8 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
13 #include "mono/metadata/remoting.h"
14 #include "mono/metadata/marshal.h"
15 #include "mono/metadata/abi-details.h"
16 #include "mono/metadata/cominterop.h"
17 #include "mono/metadata/tabledefs.h"
18 #include "mono/metadata/exception.h"
19 #include "mono/metadata/debug-helpers.h"
20 #include "mono/metadata/reflection-internals.h"
23 MONO_MARSHAL_NONE, /* No marshalling needed */
24 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
25 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
26 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
27 } MonoXDomainMarshalType;
29 #ifndef DISABLE_REMOTING
31 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
35 #include "mono/cil/opcode.def"
40 struct _MonoRemotingMethods {
42 MonoMethod *invoke_with_check;
43 MonoMethod *xdomain_invoke;
44 MonoMethod *xdomain_dispatch;
47 typedef struct _MonoRemotingMethods MonoRemotingMethods;
50 mono_remoting_wrapper (MonoMethod *method, gpointer *params);
53 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push);
56 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image);
59 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
61 static MonoXDomainMarshalType
62 mono_get_xdomain_marshal_type (MonoType *t);
65 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst);
67 static MonoReflectionType *
68 type_from_handle (MonoType *handle);
70 /* Class lazy loading functions */
71 static GENERATE_GET_CLASS_WITH_CACHE (remoting_services, System.Runtime.Remoting, RemotingServices)
72 static GENERATE_GET_CLASS_WITH_CACHE (call_context, System.Runtime.Remoting.Messaging, CallContext)
73 static GENERATE_GET_CLASS_WITH_CACHE (context, System.Runtime.Remoting.Contexts, Context)
75 static mono_mutex_t remoting_mutex;
76 static gboolean remoting_mutex_inited;
78 static MonoClass *byte_array_class;
80 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
81 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
85 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
87 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
89 mono_register_jit_icall (func, name, sig, save);
95 g_assert (remoting_mutex_inited);
96 mono_os_mutex_lock (&remoting_mutex);
100 remoting_unlock (void)
102 g_assert (remoting_mutex_inited);
103 mono_os_mutex_unlock (&remoting_mutex);
107 * Return the hash table pointed to by VAR, lazily creating it if neccesary.
110 get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
116 g_hash_table_new (hash_func, equal_func);
117 mono_memory_barrier ();
126 get_cache_full (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func, GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
132 g_hash_table_new_full (hash_func, equal_func, key_destroy_func, value_destroy_func);
133 mono_memory_barrier ();
142 mono_remoting_init (void)
144 mono_os_mutex_init (&remoting_mutex);
145 remoting_mutex_inited = TRUE;
149 mono_remoting_marshal_init (void)
153 static gboolean module_initialized = FALSE;
154 static gboolean icalls_registered = FALSE;
156 if (module_initialized)
159 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
162 klass = mono_class_get_remoting_services_class ();
163 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
164 g_assert (method_rs_serialize);
165 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
166 g_assert (method_rs_deserialize);
167 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
168 g_assert (method_rs_serialize_exc);
170 klass = mono_defaults.real_proxy_class;
171 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
172 g_assert (method_rs_appdomain_target);
174 klass = mono_defaults.exception_class;
175 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
176 g_assert (method_exc_fixexc);
178 klass = mono_class_get_call_context_class ();
179 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
180 g_assert (method_set_call_context);
182 klass = mono_class_get_context_class ();
183 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
184 g_assert (method_needs_context_sink);
189 if (!icalls_registered) {
190 register_icall (type_from_handle, "type_from_handle", "object ptr", FALSE);
191 register_icall (mono_marshal_set_domain_by_id, "mono_marshal_set_domain_by_id", "int32 int32 int32", FALSE);
192 register_icall (mono_marshal_check_domain_image, "mono_marshal_check_domain_image", "int32 int32 ptr", FALSE);
193 register_icall (mono_marshal_xdomain_copy_value, "mono_marshal_xdomain_copy_value", "object object", FALSE);
194 register_icall (mono_marshal_xdomain_copy_out_value, "mono_marshal_xdomain_copy_out_value", "void object object", FALSE);
195 register_icall (mono_remoting_wrapper, "mono_remoting_wrapper", "object ptr ptr", FALSE);
196 register_icall (mono_upgrade_remote_class_wrapper, "mono_upgrade_remote_class_wrapper", "void object object", FALSE);
199 icalls_registered = TRUE;
201 mono_loader_unlock ();
203 module_initialized = TRUE;
206 static MonoReflectionType *
207 type_from_handle (MonoType *handle)
210 MonoReflectionType *ret;
211 MonoDomain *domain = mono_domain_get ();
212 MonoClass *klass = mono_class_from_mono_type (handle);
214 mono_class_init (klass);
216 ret = mono_type_get_object_checked (domain, handle, &error);
217 mono_error_raise_exception (&error); /* FIXME don't raise here */
224 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
227 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
228 mono_mb_emit_byte (mb, CEE_LDIND_I);
229 mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
230 mono_mb_emit_byte (mb, CEE_ADD);
231 mono_mb_emit_byte (mb, CEE_LDIND_I);
232 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
233 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
234 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
235 pos = mono_mb_emit_branch (mb, branch_code);
240 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
243 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
244 mono_mb_emit_byte (mb, CEE_LDIND_REF);
245 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
246 mono_mb_emit_byte (mb, CEE_LDIND_I4);
247 mono_mb_emit_icon (mb, -1);
248 pos = mono_mb_emit_branch (mb, branch_code);
253 mono_mb_emit_contextbound_check (MonoMethodBuilder *mb, int branch_code)
255 static int offset = -1;
259 mono_marshal_find_bitfield_offset (MonoClass, contextbound, &offset, &mask);
261 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, remote_class));
262 mono_mb_emit_byte (mb, CEE_LDIND_REF);
263 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRemoteClass, proxy_class));
264 mono_mb_emit_byte (mb, CEE_LDIND_REF);
265 mono_mb_emit_ldflda (mb, offset);
266 mono_mb_emit_byte (mb, CEE_LDIND_U1);
267 mono_mb_emit_icon (mb, mask);
268 mono_mb_emit_byte (mb, CEE_AND);
269 mono_mb_emit_icon (mb, 0);
270 return mono_mb_emit_branch (mb, branch_code);
272 #endif /* !DISABLE_JIT */
274 static inline MonoMethod*
275 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
277 MonoMethod *res = NULL;
278 MonoRemotingMethods *wrps = NULL;
280 mono_marshal_lock_internal ();
281 if (mono_method_get_wrapper_cache (method)->remoting_invoke_cache)
282 wrps = (MonoRemotingMethods *)g_hash_table_lookup (mono_method_get_wrapper_cache (method)->remoting_invoke_cache, method);
285 switch (wrapper_type) {
286 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
287 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
288 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
289 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
293 /* it is important to do the unlock after the load from wrps, since in
294 * mono_remoting_mb_create_and_cache () we drop the marshal lock to be able
295 * to take the loader lock and some other thread may set the fields.
297 mono_marshal_unlock_internal ();
301 /* Create the method from the builder and place it in the cache */
302 static inline MonoMethod*
303 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
304 MonoMethodSignature *sig, int max_stack, WrapperInfo *info)
306 MonoMethod **res = NULL;
307 MonoRemotingMethods *wrps;
310 cache = get_cache_full (&mono_method_get_wrapper_cache (key)->remoting_invoke_cache, mono_aligned_addr_hash, NULL, NULL, g_free);
312 mono_marshal_lock_internal ();
313 wrps = (MonoRemotingMethods *)g_hash_table_lookup (cache, key);
315 wrps = g_new0 (MonoRemotingMethods, 1);
316 g_hash_table_insert (cache, key, wrps);
319 switch (mb->method->wrapper_type) {
320 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
321 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
322 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
323 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
324 default: g_assert_not_reached (); break;
326 mono_marshal_unlock_internal ();
330 newm = mono_mb_create_method (mb, sig, max_stack);
332 mono_marshal_lock_internal ();
335 mono_marshal_set_wrapper_info (*res, info);
336 mono_marshal_unlock_internal ();
338 mono_marshal_unlock_internal ();
339 mono_free_method (newm);
347 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
350 MonoMethodMessage *msg;
351 MonoTransparentProxy *this_obj;
352 MonoObject *res, *exc;
355 this_obj = *((MonoTransparentProxy **)params [0]);
358 g_assert (((MonoObject *)this_obj)->vtable->klass == mono_defaults.transparent_proxy_class);
360 /* skip the this pointer */
363 if (mono_class_is_contextbound (this_obj->remote_class->proxy_class) && this_obj->rp->context == (MonoObject *) mono_context_get ())
366 MonoMethodSignature *sig = mono_method_signature (method);
367 int count = sig->param_count;
368 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
370 for (i=0; i<count; i++) {
371 MonoClass *klass = mono_class_from_mono_type (sig->params [i]);
372 if (klass->valuetype) {
373 if (sig->params [i]->byref) {
374 mparams[i] = *((gpointer *)params [i]);
376 /* runtime_invoke expects a boxed instance */
377 if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
378 mparams[i] = mono_nullable_box ((guint8 *)params [i], klass, &error);
379 mono_error_raise_exception (&error); /* FIXME don't raise here */
381 mparams[i] = params [i];
384 mparams[i] = *((gpointer**)params [i]);
388 res = mono_runtime_invoke_checked (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this_obj): this_obj, mparams, &error);
389 mono_error_raise_exception (&error); /* FIXME don't raise here */
394 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
396 res = mono_remoting_invoke ((MonoObject *)this_obj->rp, msg, &exc, &out_args, &error);
397 mono_error_raise_exception (&error); /* FIXME don't raise here */
400 mono_raise_exception ((MonoException *)exc);
402 mono_method_return_message_restore (method, params, out_args, &error);
403 mono_error_raise_exception (&error); /* FIXME don't raise here */
409 mono_marshal_get_remoting_invoke (MonoMethod *method)
411 MonoMethodSignature *sig;
412 MonoMethodBuilder *mb;
419 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
422 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
424 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
425 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
426 g_assert (vtable); /*FIXME do proper error handling*/
428 if (!mono_vtable_is_remote (vtable)) {
429 return mono_cominterop_get_invoke (method);
434 sig = mono_signature_no_pinvoke (method);
436 /* we cant remote methods without this pointer */
440 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
443 mono_remoting_marshal_init ();
445 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
448 mb->method->save_lmf = 1;
450 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
452 mono_mb_emit_ptr (mb, method);
453 mono_mb_emit_ldloc (mb, params_var);
454 mono_mb_emit_icall (mb, mono_remoting_wrapper);
455 mono_marshal_emit_thread_interrupt_checkpoint (mb);
457 if (sig->ret->type == MONO_TYPE_VOID) {
458 mono_mb_emit_byte (mb, CEE_POP);
459 mono_mb_emit_byte (mb, CEE_RET);
461 mono_mb_emit_restore_result (mb, sig->ret);
465 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
466 info->d.remoting.method = method;
467 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
473 /* mono_marshal_xdomain_copy_out_value()
474 * Copies the contents of the src instance into the dst instance. src and dst
475 * must have the same type, and if they are arrays, the same size.
478 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
480 if (src == NULL || dst == NULL) return;
482 g_assert (mono_object_class (src) == mono_object_class (dst));
484 switch (mono_object_class (src)->byval_arg.type) {
485 case MONO_TYPE_ARRAY:
486 case MONO_TYPE_SZARRAY: {
487 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
488 if (mt == MONO_MARSHAL_SERIALIZE) return;
489 if (mt == MONO_MARSHAL_COPY) {
490 int i, len = mono_array_length ((MonoArray *)dst);
491 for (i = 0; i < len; i++) {
492 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
493 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
496 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
507 #if !defined (DISABLE_JIT)
509 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
511 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
512 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
516 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
518 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
522 /* mono_marshal_supports_fast_xdomain()
523 * Returns TRUE if the method can use the fast xdomain wrapper.
526 mono_marshal_supports_fast_xdomain (MonoMethod *method)
528 return !mono_class_is_contextbound (method->klass) &&
529 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
533 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
535 MonoDomain *current_domain = mono_domain_get ();
536 MonoDomain *domain = mono_domain_get_by_id (id);
538 if (!domain || !mono_domain_set (domain, FALSE))
539 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
542 mono_thread_push_appdomain_ref (domain);
544 mono_thread_pop_appdomain_ref ();
546 return current_domain->domain_id;
549 #if !defined (DISABLE_JIT)
551 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
553 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
556 /* mono_marshal_emit_load_domain_method ()
557 * Loads into the stack a pointer to the code of the provided method for
558 * the current domain.
561 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
563 /* We need a pointer to the method for the running domain (not the domain
564 * that compiles the method).
566 mono_mb_emit_ptr (mb, method);
567 mono_mb_emit_icall (mb, mono_compile_method);
571 /* mono_marshal_check_domain_image ()
572 * Returns TRUE if the image is loaded in the specified
573 * application domain.
576 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
581 MonoDomain *domain = mono_domain_get_by_id (domain_id);
585 mono_domain_assemblies_lock (domain);
586 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
587 ass = (MonoAssembly *)tmp->data;
588 if (ass->image == image)
591 mono_domain_assemblies_unlock (domain);
596 /* mono_marshal_get_xappdomain_dispatch ()
597 * Generates a method that dispatches a method call from another domain into
598 * the current domain.
601 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
603 MonoMethodSignature *sig, *csig;
604 MonoMethodBuilder *mb;
606 int i, j, param_index, copy_locals_base;
607 MonoClass *ret_class = NULL;
608 int loc_array=0, loc_return=0, loc_serialized_exc=0;
609 MonoExceptionClause *main_clause;
611 gboolean copy_return;
614 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
617 sig = mono_method_signature (method);
618 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
621 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
622 csig->params [j++] = &mono_defaults.object_class->byval_arg;
623 csig->params [j++] = &byte_array_class->this_arg;
624 csig->params [j++] = &byte_array_class->this_arg;
625 for (i = 0; i < sig->param_count; i++) {
626 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
627 csig->params [j++] = sig->params [i];
630 csig->ret = sig->ret;
632 csig->ret = &mono_defaults.void_class->byval_arg;
634 csig->hasthis = FALSE;
636 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
637 mb->method->save_lmf = 1;
642 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
643 if (complex_count > 0)
644 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
645 if (sig->ret->type != MONO_TYPE_VOID) {
646 loc_return = mono_mb_add_local (mb, sig->ret);
647 ret_class = mono_class_from_mono_type (sig->ret);
652 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
653 main_clause->try_offset = mono_mb_get_label (mb);
655 /* Clean the call context */
657 mono_mb_emit_byte (mb, CEE_LDNULL);
658 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
659 mono_mb_emit_byte (mb, CEE_POP);
661 /* Deserialize call data */
663 mono_mb_emit_ldarg (mb, 1);
664 mono_mb_emit_byte (mb, CEE_LDIND_REF);
665 mono_mb_emit_byte (mb, CEE_DUP);
666 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
668 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
669 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
671 if (complex_count > 0)
672 mono_mb_emit_stloc (mb, loc_array);
674 mono_mb_emit_byte (mb, CEE_POP);
676 mono_mb_patch_short_branch (mb, pos);
678 /* Get the target object */
680 mono_mb_emit_ldarg (mb, 0);
681 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
683 /* Load the arguments */
685 copy_locals_base = mb->locals;
686 param_index = 3; // Index of the first non-serialized parameter of this wrapper
688 for (i = 0; i < sig->param_count; i++) {
689 MonoType *pt = sig->params [i];
690 MonoClass *pclass = mono_class_from_mono_type (pt);
691 switch (marshal_types [i]) {
692 case MONO_MARSHAL_SERIALIZE: {
693 /* take the value from the serialized array */
694 mono_mb_emit_ldloc (mb, loc_array);
695 mono_mb_emit_icon (mb, j++);
697 if (pclass->valuetype) {
698 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
699 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
701 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
704 if (pclass->valuetype) {
705 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
706 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
707 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
709 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
710 if (pclass != mono_defaults.object_class) {
711 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
717 case MONO_MARSHAL_COPY_OUT: {
718 /* Keep a local copy of the value since we need to copy it back after the call */
719 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
720 mono_mb_emit_ldarg (mb, param_index++);
721 mono_marshal_emit_xdomain_copy_value (mb, pclass);
722 mono_mb_emit_byte (mb, CEE_DUP);
723 mono_mb_emit_stloc (mb, copy_local);
726 case MONO_MARSHAL_COPY: {
727 mono_mb_emit_ldarg (mb, param_index);
729 mono_mb_emit_byte (mb, CEE_DUP);
730 mono_mb_emit_byte (mb, CEE_DUP);
731 mono_mb_emit_byte (mb, CEE_LDIND_REF);
732 mono_marshal_emit_xdomain_copy_value (mb, pclass);
733 mono_mb_emit_byte (mb, CEE_STIND_REF);
735 mono_marshal_emit_xdomain_copy_value (mb, pclass);
740 case MONO_MARSHAL_NONE:
741 mono_mb_emit_ldarg (mb, param_index++);
746 /* Make the call to the real object */
748 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
750 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
752 if (sig->ret->type != MONO_TYPE_VOID)
753 mono_mb_emit_stloc (mb, loc_return);
755 /* copy back MONO_MARSHAL_COPY_OUT parameters */
759 for (i = 0; i < sig->param_count; i++) {
760 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
761 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
762 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
763 mono_mb_emit_ldarg (mb, param_index);
764 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
769 /* Serialize the return values */
771 if (complex_out_count > 0) {
772 /* Reset parameters in the array that don't need to be serialized back */
774 for (i = 0; i < sig->param_count; i++) {
775 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
776 if (!sig->params [i]->byref) {
777 mono_mb_emit_ldloc (mb, loc_array);
778 mono_mb_emit_icon (mb, j);
779 mono_mb_emit_byte (mb, CEE_LDNULL);
780 mono_mb_emit_byte (mb, CEE_STELEM_REF);
785 /* Add the return value to the array */
787 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
788 mono_mb_emit_ldloc (mb, loc_array);
789 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
790 mono_mb_emit_ldloc (mb, loc_return);
792 g_assert (ret_class); /*FIXME properly fail here*/
793 if (ret_class->valuetype) {
794 mono_mb_emit_op (mb, CEE_BOX, ret_class);
796 mono_mb_emit_byte (mb, CEE_STELEM_REF);
801 mono_mb_emit_ldarg (mb, 1);
802 mono_mb_emit_ldloc (mb, loc_array);
803 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
804 mono_mb_emit_byte (mb, CEE_STIND_REF);
805 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
806 mono_mb_emit_ldarg (mb, 1);
807 mono_mb_emit_ldloc (mb, loc_return);
808 if (ret_class->valuetype) {
809 mono_mb_emit_op (mb, CEE_BOX, ret_class);
811 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
812 mono_mb_emit_byte (mb, CEE_STIND_REF);
814 mono_mb_emit_ldarg (mb, 1);
815 mono_mb_emit_byte (mb, CEE_LDNULL);
816 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
817 mono_mb_emit_byte (mb, CEE_STIND_REF);
820 mono_mb_emit_ldarg (mb, 2);
821 mono_mb_emit_byte (mb, CEE_LDNULL);
822 mono_mb_emit_byte (mb, CEE_STIND_REF);
823 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
825 /* Main exception catch */
826 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
827 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
828 main_clause->data.catch_class = mono_defaults.object_class;
831 main_clause->handler_offset = mono_mb_get_label (mb);
832 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
833 mono_mb_emit_stloc (mb, loc_serialized_exc);
834 mono_mb_emit_ldarg (mb, 2);
835 mono_mb_emit_ldloc (mb, loc_serialized_exc);
836 mono_mb_emit_byte (mb, CEE_STIND_REF);
837 mono_mb_emit_branch (mb, CEE_LEAVE);
838 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
841 mono_mb_patch_branch (mb, pos_leave);
844 mono_mb_emit_ldloc (mb, loc_return);
846 mono_mb_emit_byte (mb, CEE_RET);
848 mono_mb_set_clauses (mb, 1, main_clause);
851 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
852 info->d.remoting.method = method;
853 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
859 /* mono_marshal_get_xappdomain_invoke ()
860 * Generates a fast remoting wrapper for cross app domain calls.
863 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
865 MonoMethodSignature *sig;
866 MonoMethodBuilder *mb;
868 int i, j, complex_count, complex_out_count, copy_locals_base;
870 MonoClass *ret_class = NULL;
871 MonoMethod *xdomain_method;
872 int ret_marshal_type = MONO_MARSHAL_NONE;
873 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
874 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
875 int pos, pos_dispatch, pos_noex;
876 gboolean copy_return = FALSE;
881 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
884 /* we cant remote methods without this pointer */
885 if (!mono_method_signature (method)->hasthis)
888 mono_remoting_marshal_init ();
890 if (!mono_marshal_supports_fast_xdomain (method))
891 return mono_marshal_get_remoting_invoke (method);
893 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
896 sig = mono_signature_no_pinvoke (method);
898 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
899 mb->method->save_lmf = 1;
901 /* Count the number of parameters that need to be serialized */
903 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
904 complex_count = complex_out_count = 0;
905 for (i = 0; i < sig->param_count; i++) {
906 MonoType *ptype = sig->params[i];
907 int mt = mono_get_xdomain_marshal_type (ptype);
909 /* If the [Out] attribute is applied to a parameter that can be internally copied,
910 * the copy will be made by reusing the original object instance
912 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
913 mt = MONO_MARSHAL_COPY_OUT;
914 else if (mt == MONO_MARSHAL_SERIALIZE) {
916 if (ptype->byref) complex_out_count++;
918 marshal_types [i] = mt;
921 if (sig->ret->type != MONO_TYPE_VOID) {
922 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
923 ret_class = mono_class_from_mono_type (sig->ret);
924 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
930 if (complex_count > 0)
931 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
932 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
933 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
935 loc_return = mono_mb_add_local (mb, sig->ret);
936 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
937 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
938 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
939 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
941 /* Save thread domain data */
943 mono_mb_emit_icall (mb, mono_context_get);
944 mono_mb_emit_byte (mb, CEE_DUP);
945 mono_mb_emit_stloc (mb, loc_context);
947 /* If the thread is not running in the default context, it needs to go
948 * through the whole remoting sink, since the context is going to change
950 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
951 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
953 /* Another case in which the fast path can't be used: when the target domain
954 * has a different image for the same assembly.
957 /* Get the target domain id */
959 mono_mb_emit_ldarg (mb, 0);
960 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
961 mono_mb_emit_byte (mb, CEE_LDIND_REF);
962 mono_mb_emit_byte (mb, CEE_DUP);
963 mono_mb_emit_stloc (mb, loc_real_proxy);
965 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
966 mono_mb_emit_byte (mb, CEE_LDIND_I4);
967 mono_mb_emit_stloc (mb, loc_domainid);
969 /* Check if the target domain has the same image for the required assembly */
971 mono_mb_emit_ldloc (mb, loc_domainid);
972 mono_mb_emit_ptr (mb, method->klass->image);
973 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
974 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
976 /* Use the whole remoting sink to dispatch this message */
978 mono_mb_patch_short_branch (mb, pos);
980 mono_mb_emit_ldarg (mb, 0);
981 for (i = 0; i < sig->param_count; i++)
982 mono_mb_emit_ldarg (mb, i + 1);
984 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
985 mono_mb_emit_byte (mb, CEE_RET);
986 mono_mb_patch_short_branch (mb, pos_dispatch);
988 /* Create the array that will hold the parameters to be serialized */
990 if (complex_count > 0) {
991 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 */
992 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
995 for (i = 0; i < sig->param_count; i++) {
997 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
998 pclass = mono_class_from_mono_type (sig->params[i]);
999 mono_mb_emit_byte (mb, CEE_DUP);
1000 mono_mb_emit_icon (mb, j);
1001 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1002 if (sig->params[i]->byref) {
1003 if (pclass->valuetype)
1004 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1006 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1008 if (pclass->valuetype)
1009 mono_mb_emit_op (mb, CEE_BOX, pclass);
1010 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1013 mono_mb_emit_stloc (mb, loc_array);
1015 /* Serialize parameters */
1017 mono_mb_emit_ldloc (mb, loc_array);
1018 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1019 mono_mb_emit_stloc (mb, loc_serialized_data);
1021 mono_mb_emit_byte (mb, CEE_LDNULL);
1022 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1023 mono_mb_emit_stloc (mb, loc_serialized_data);
1028 mono_mb_emit_ldloc (mb, loc_domainid);
1029 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1030 mono_marshal_emit_switch_domain (mb);
1031 mono_mb_emit_stloc (mb, loc_old_domainid);
1033 /* Load the arguments */
1035 mono_mb_emit_ldloc (mb, loc_real_proxy);
1036 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1037 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1039 copy_locals_base = mb->locals;
1040 for (i = 0; i < sig->param_count; i++) {
1041 switch (marshal_types [i]) {
1042 case MONO_MARSHAL_SERIALIZE:
1044 case MONO_MARSHAL_COPY: {
1045 mono_mb_emit_ldarg (mb, i+1);
1046 if (sig->params [i]->byref) {
1047 /* make a local copy of the byref parameter. The real parameter
1048 * will be updated after the xdomain call
1050 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1051 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1052 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1053 mono_mb_emit_stloc (mb, copy_local);
1054 mono_mb_emit_ldloc_addr (mb, copy_local);
1058 case MONO_MARSHAL_COPY_OUT:
1059 case MONO_MARSHAL_NONE:
1060 mono_mb_emit_ldarg (mb, i+1);
1065 /* Make the call to the invoke wrapper in the target domain */
1067 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1068 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1069 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1072 mono_mb_emit_stloc (mb, loc_return);
1076 mono_mb_emit_ldloc (mb, loc_old_domainid);
1077 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1078 mono_marshal_emit_switch_domain (mb);
1079 mono_mb_emit_byte (mb, CEE_POP);
1081 /* Restore thread domain data */
1083 mono_mb_emit_ldloc (mb, loc_context);
1084 mono_mb_emit_icall (mb, mono_context_set);
1086 /* if (loc_serialized_exc != null) ... */
1088 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1089 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1091 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1092 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1093 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1094 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1095 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1096 mono_mb_emit_byte (mb, CEE_THROW);
1097 mono_mb_patch_short_branch (mb, pos_noex);
1099 /* copy back non-serialized output parameters */
1102 for (i = 0; i < sig->param_count; i++) {
1103 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1104 mono_mb_emit_ldarg (mb, i + 1);
1105 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1106 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1107 mono_mb_emit_byte (mb, CEE_STIND_REF);
1110 /* Deserialize out parameters */
1112 if (complex_out_count > 0) {
1113 mono_mb_emit_ldloc (mb, loc_serialized_data);
1114 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1115 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1116 mono_mb_emit_stloc (mb, loc_array);
1118 /* Copy back output parameters and return type */
1121 for (i = 0; i < sig->param_count; i++) {
1122 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1123 if (sig->params[i]->byref) {
1124 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1125 mono_mb_emit_ldarg (mb, i + 1);
1126 mono_mb_emit_ldloc (mb, loc_array);
1127 mono_mb_emit_icon (mb, j);
1128 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1129 if (pclass->valuetype) {
1130 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1131 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1132 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1134 if (pclass != mono_defaults.object_class)
1135 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1136 mono_mb_emit_byte (mb, CEE_STIND_REF);
1142 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1143 mono_mb_emit_ldloc (mb, loc_array);
1144 mono_mb_emit_icon (mb, complex_count);
1145 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1146 if (ret_class->valuetype) {
1147 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1148 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1151 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
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 if (ret_class->valuetype) {
1156 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1157 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1158 } else if (ret_class != mono_defaults.object_class) {
1159 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1162 mono_mb_emit_ldloc (mb, loc_serialized_data);
1163 mono_mb_emit_byte (mb, CEE_DUP);
1164 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1165 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1167 mono_mb_patch_short_branch (mb, pos);
1168 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1169 mono_mb_emit_byte (mb, CEE_POP);
1173 mono_mb_emit_ldloc (mb, loc_return);
1174 if (ret_marshal_type == MONO_MARSHAL_COPY)
1175 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1178 mono_mb_emit_byte (mb, CEE_RET);
1179 #endif /* DISABLE_JIT */
1181 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1182 info->d.remoting.method = method;
1183 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1190 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1192 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1193 return mono_marshal_get_xappdomain_invoke (method);
1194 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1196 return mono_cominterop_get_invoke (method);
1198 g_assert_not_reached ();
1201 return mono_marshal_get_remoting_invoke (method);
1207 G_GNUC_UNUSED static gpointer
1208 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1210 if (rp->target_domain_id != -1)
1211 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1213 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1217 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1219 MonoMethodSignature *sig;
1220 MonoMethodBuilder *mb;
1221 MonoMethod *res, *native;
1223 int i, pos, pos_rem;
1227 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1230 /* we cant remote methods without this pointer */
1231 g_assert (mono_method_signature (method)->hasthis);
1233 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1236 sig = mono_signature_no_pinvoke (method);
1238 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1241 for (i = 0; i <= sig->param_count; i++)
1242 mono_mb_emit_ldarg (mb, i);
1244 mono_mb_emit_ldarg (mb, 0);
1245 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1247 if (mono_marshal_supports_fast_xdomain (method)) {
1248 mono_mb_emit_ldarg (mb, 0);
1249 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1251 /* wrapper for cross app domain calls */
1252 native = mono_marshal_get_xappdomain_invoke (method);
1253 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1254 mono_mb_emit_byte (mb, CEE_RET);
1256 mono_mb_patch_branch (mb, pos_rem);
1258 /* wrapper for normal remote calls */
1259 native = mono_marshal_get_remoting_invoke (method);
1260 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1261 mono_mb_emit_byte (mb, CEE_RET);
1264 mono_mb_patch_branch (mb, pos);
1265 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1266 mono_mb_emit_byte (mb, CEE_RET);
1269 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1270 info->d.remoting.method = method;
1271 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1278 * mono_marshal_get_ldfld_remote_wrapper:
1279 * @klass: The return type
1281 * This method generates a wrapper for calling mono_load_remote_field_new.
1282 * The return type is ignored for now, as mono_load_remote_field_new () always
1283 * returns an object. In the future, to optimize some codepaths, we might
1284 * call a different function that takes a pointer to a valuetype, instead.
1287 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1289 MonoMethodSignature *sig, *csig;
1290 MonoMethodBuilder *mb;
1292 static MonoMethod* cached = NULL;
1294 mono_marshal_lock_internal ();
1296 mono_marshal_unlock_internal ();
1299 mono_marshal_unlock_internal ();
1301 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1303 mb->method->save_lmf = 1;
1305 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1306 sig->params [0] = &mono_defaults.object_class->byval_arg;
1307 sig->params [1] = &mono_defaults.int_class->byval_arg;
1308 sig->params [2] = &mono_defaults.int_class->byval_arg;
1309 sig->ret = &mono_defaults.object_class->byval_arg;
1312 mono_mb_emit_ldarg (mb, 0);
1313 mono_mb_emit_ldarg (mb, 1);
1314 mono_mb_emit_ldarg (mb, 2);
1316 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1317 csig->params [0] = &mono_defaults.object_class->byval_arg;
1318 csig->params [1] = &mono_defaults.int_class->byval_arg;
1319 csig->params [2] = &mono_defaults.int_class->byval_arg;
1320 csig->ret = &mono_defaults.object_class->byval_arg;
1323 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1324 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1326 mono_mb_emit_byte (mb, CEE_RET);
1329 mono_marshal_lock_internal ();
1331 mono_marshal_unlock_internal ();
1334 newm = mono_mb_create (mb, sig, 4, NULL);
1335 mono_marshal_lock_internal ();
1340 mono_marshal_unlock_internal ();
1342 mono_marshal_unlock_internal ();
1343 mono_free_method (newm);
1352 * mono_marshal_get_ldfld_wrapper:
1353 * @type: the type of the field
1355 * This method generates a function which can be use to load a field with type
1356 * @type from an object. The generated function has the following signature:
1357 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1360 mono_marshal_get_ldfld_wrapper (MonoType *type)
1362 MonoMethodSignature *sig;
1363 MonoMethodBuilder *mb;
1369 int t, pos0, pos1 = 0;
1371 type = mono_type_get_underlying_type (type);
1376 if (type->type == MONO_TYPE_SZARRAY) {
1377 klass = mono_defaults.array_class;
1378 } else if (type->type == MONO_TYPE_VALUETYPE) {
1379 klass = type->data.klass;
1380 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1381 klass = mono_defaults.object_class;
1382 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1383 klass = mono_defaults.int_class;
1384 } else if (t == MONO_TYPE_GENERICINST) {
1385 if (mono_type_generic_inst_is_valuetype (type))
1386 klass = mono_class_from_mono_type (type);
1388 klass = mono_defaults.object_class;
1390 klass = mono_class_from_mono_type (type);
1393 klass = mono_defaults.int_class;
1396 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1397 if ((res = mono_marshal_find_in_cache (cache, klass)))
1400 /* we add the %p pointer value of klass because class names are not unique */
1401 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1402 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1405 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1406 sig->params [0] = &mono_defaults.object_class->byval_arg;
1407 sig->params [1] = &mono_defaults.int_class->byval_arg;
1408 sig->params [2] = &mono_defaults.int_class->byval_arg;
1409 sig->params [3] = &mono_defaults.int_class->byval_arg;
1410 sig->ret = &klass->byval_arg;
1413 mono_mb_emit_ldarg (mb, 0);
1414 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1416 mono_mb_emit_ldarg (mb, 0);
1417 mono_mb_emit_ldarg (mb, 1);
1418 mono_mb_emit_ldarg (mb, 2);
1420 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1423 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1424 csig->params [0] = &mono_defaults.object_class->byval_arg;
1425 csig->params [1] = &mono_defaults.int_class->byval_arg;
1426 csig->params [2] = &mono_defaults.int_class->byval_arg;
1427 csig->ret = &klass->this_arg;
1430 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1431 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1434 if (klass->valuetype) {
1435 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1436 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1438 mono_mb_emit_byte (mb, CEE_RET);
1441 mono_mb_patch_branch (mb, pos0);
1443 mono_mb_emit_ldarg (mb, 0);
1444 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1445 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1446 mono_mb_emit_ldarg (mb, 3);
1447 mono_mb_emit_byte (mb, CEE_ADD);
1449 if (klass->valuetype)
1450 mono_mb_patch_branch (mb, pos1);
1455 case MONO_TYPE_BOOLEAN:
1456 case MONO_TYPE_CHAR:
1465 case MONO_TYPE_ARRAY:
1466 case MONO_TYPE_SZARRAY:
1467 case MONO_TYPE_OBJECT:
1468 case MONO_TYPE_CLASS:
1469 case MONO_TYPE_STRING:
1473 case MONO_TYPE_FNPTR:
1474 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1476 case MONO_TYPE_VALUETYPE:
1477 g_assert (!klass->enumtype);
1478 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1480 case MONO_TYPE_GENERICINST:
1481 if (mono_type_generic_inst_is_valuetype (type)) {
1482 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1484 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1488 case MONO_TYPE_MVAR:
1489 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1492 g_warning ("type %x not implemented", type->type);
1493 g_assert_not_reached ();
1496 mono_mb_emit_byte (mb, CEE_RET);
1497 #endif /* DISABLE_JIT */
1499 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1500 info->d.proxy.klass = klass;
1501 res = mono_mb_create_and_cache_full (cache, klass,
1502 mb, sig, sig->param_count + 16, info, NULL);
1509 * mono_marshal_get_ldflda_wrapper:
1510 * @type: the type of the field
1512 * This method generates a function which can be used to load a field address
1513 * from an object. The generated function has the following signature:
1514 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1517 mono_marshal_get_ldflda_wrapper (MonoType *type)
1519 MonoMethodSignature *sig;
1520 MonoMethodBuilder *mb;
1526 int t, pos0, pos1, pos2, pos3;
1528 type = mono_type_get_underlying_type (type);
1532 if (type->type == MONO_TYPE_SZARRAY) {
1533 klass = mono_defaults.array_class;
1534 } else if (type->type == MONO_TYPE_VALUETYPE) {
1535 klass = type->data.klass;
1536 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1537 t == MONO_TYPE_CLASS) {
1538 klass = mono_defaults.object_class;
1539 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1540 klass = mono_defaults.int_class;
1541 } else if (t == MONO_TYPE_GENERICINST) {
1542 if (mono_type_generic_inst_is_valuetype (type))
1543 klass = mono_class_from_mono_type (type);
1545 klass = mono_defaults.object_class;
1547 klass = mono_class_from_mono_type (type);
1550 klass = mono_defaults.int_class;
1553 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1554 if ((res = mono_marshal_find_in_cache (cache, klass)))
1557 /* we add the %p pointer value of klass because class names are not unique */
1558 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1559 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1562 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1563 sig->params [0] = &mono_defaults.object_class->byval_arg;
1564 sig->params [1] = &mono_defaults.int_class->byval_arg;
1565 sig->params [2] = &mono_defaults.int_class->byval_arg;
1566 sig->params [3] = &mono_defaults.int_class->byval_arg;
1567 sig->ret = &mono_defaults.int_class->byval_arg;
1570 /* if typeof (this) != transparent_proxy goto pos0 */
1571 mono_mb_emit_ldarg (mb, 0);
1572 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1574 /* if same_appdomain goto pos1 */
1575 mono_mb_emit_ldarg (mb, 0);
1576 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1578 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1580 /* same app domain */
1581 mono_mb_patch_branch (mb, pos1);
1583 /* if typeof (this) != contextbound goto pos2 */
1584 mono_mb_emit_ldarg (mb, 0);
1585 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1587 /* if this->rp->context == mono_context_get goto pos3 */
1588 mono_mb_emit_ldarg (mb, 0);
1589 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1590 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1591 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1592 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1593 mono_mb_emit_icall (mb, mono_context_get);
1594 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1596 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1598 mono_mb_patch_branch (mb, pos2);
1599 mono_mb_patch_branch (mb, pos3);
1601 /* return the address of the field from this->rp->unwrapped_server */
1602 mono_mb_emit_ldarg (mb, 0);
1603 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1604 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1605 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1606 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1607 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1608 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1609 mono_mb_emit_ldarg (mb, 3);
1610 mono_mb_emit_byte (mb, CEE_ADD);
1611 mono_mb_emit_byte (mb, CEE_RET);
1613 /* not a proxy: return the address of the field directly */
1614 mono_mb_patch_branch (mb, pos0);
1616 mono_mb_emit_ldarg (mb, 0);
1617 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1618 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1619 mono_mb_emit_ldarg (mb, 3);
1620 mono_mb_emit_byte (mb, CEE_ADD);
1622 mono_mb_emit_byte (mb, CEE_RET);
1625 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1626 info->d.proxy.klass = klass;
1627 res = mono_mb_create_and_cache_full (cache, klass,
1628 mb, sig, sig->param_count + 16,
1636 * mono_marshal_get_stfld_remote_wrapper:
1637 * klass: The type of the field
1639 * This function generates a wrapper for calling mono_store_remote_field_new
1640 * with the appropriate signature.
1641 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1642 * klass argument anymore.
1645 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1647 MonoMethodSignature *sig, *csig;
1648 MonoMethodBuilder *mb;
1650 static MonoMethod *cached = NULL;
1652 mono_marshal_lock_internal ();
1654 mono_marshal_unlock_internal ();
1657 mono_marshal_unlock_internal ();
1659 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1661 mb->method->save_lmf = 1;
1663 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1664 sig->params [0] = &mono_defaults.object_class->byval_arg;
1665 sig->params [1] = &mono_defaults.int_class->byval_arg;
1666 sig->params [2] = &mono_defaults.int_class->byval_arg;
1667 sig->params [3] = &mono_defaults.object_class->byval_arg;
1668 sig->ret = &mono_defaults.void_class->byval_arg;
1671 mono_mb_emit_ldarg (mb, 0);
1672 mono_mb_emit_ldarg (mb, 1);
1673 mono_mb_emit_ldarg (mb, 2);
1674 mono_mb_emit_ldarg (mb, 3);
1676 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1677 csig->params [0] = &mono_defaults.object_class->byval_arg;
1678 csig->params [1] = &mono_defaults.int_class->byval_arg;
1679 csig->params [2] = &mono_defaults.int_class->byval_arg;
1680 csig->params [3] = &mono_defaults.object_class->byval_arg;
1681 csig->ret = &mono_defaults.void_class->byval_arg;
1684 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1685 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1687 mono_mb_emit_byte (mb, CEE_RET);
1690 mono_marshal_lock_internal ();
1692 mono_marshal_unlock_internal ();
1695 newm = mono_mb_create (mb, sig, 6, NULL);
1696 mono_marshal_lock_internal ();
1701 mono_marshal_unlock_internal ();
1703 mono_marshal_unlock_internal ();
1704 mono_free_method (newm);
1713 * mono_marshal_get_stfld_wrapper:
1714 * @type: the type of the field
1716 * This method generates a function which can be use to store a field with type
1717 * @type. The generated function has the following signature:
1718 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1721 mono_marshal_get_stfld_wrapper (MonoType *type)
1723 MonoMethodSignature *sig;
1724 MonoMethodBuilder *mb;
1732 type = mono_type_get_underlying_type (type);
1736 if (type->type == MONO_TYPE_SZARRAY) {
1737 klass = mono_defaults.array_class;
1738 } else if (type->type == MONO_TYPE_VALUETYPE) {
1739 klass = type->data.klass;
1740 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1741 klass = mono_defaults.object_class;
1742 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1743 klass = mono_defaults.int_class;
1744 } else if (t == MONO_TYPE_GENERICINST) {
1745 if (mono_type_generic_inst_is_valuetype (type))
1746 klass = mono_class_from_mono_type (type);
1748 klass = mono_defaults.object_class;
1750 klass = mono_class_from_mono_type (type);
1753 klass = mono_defaults.int_class;
1756 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1757 if ((res = mono_marshal_find_in_cache (cache, klass)))
1760 /* we add the %p pointer value of klass because class names are not unique */
1761 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1762 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1765 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1766 sig->params [0] = &mono_defaults.object_class->byval_arg;
1767 sig->params [1] = &mono_defaults.int_class->byval_arg;
1768 sig->params [2] = &mono_defaults.int_class->byval_arg;
1769 sig->params [3] = &mono_defaults.int_class->byval_arg;
1770 sig->params [4] = &klass->byval_arg;
1771 sig->ret = &mono_defaults.void_class->byval_arg;
1774 mono_mb_emit_ldarg (mb, 0);
1775 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1777 mono_mb_emit_ldarg (mb, 0);
1778 mono_mb_emit_ldarg (mb, 1);
1779 mono_mb_emit_ldarg (mb, 2);
1780 mono_mb_emit_ldarg (mb, 4);
1781 if (klass->valuetype)
1782 mono_mb_emit_op (mb, CEE_BOX, klass);
1784 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1786 mono_mb_emit_byte (mb, CEE_RET);
1788 mono_mb_patch_branch (mb, pos);
1790 mono_mb_emit_ldarg (mb, 0);
1791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1792 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1793 mono_mb_emit_ldarg (mb, 3);
1794 mono_mb_emit_byte (mb, CEE_ADD);
1795 mono_mb_emit_ldarg (mb, 4);
1800 case MONO_TYPE_BOOLEAN:
1801 case MONO_TYPE_CHAR:
1810 case MONO_TYPE_ARRAY:
1811 case MONO_TYPE_SZARRAY:
1812 case MONO_TYPE_OBJECT:
1813 case MONO_TYPE_CLASS:
1814 case MONO_TYPE_STRING:
1818 case MONO_TYPE_FNPTR:
1819 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1821 case MONO_TYPE_VALUETYPE:
1822 g_assert (!klass->enumtype);
1823 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1825 case MONO_TYPE_GENERICINST:
1827 case MONO_TYPE_MVAR:
1828 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1831 g_warning ("type %x not implemented", type->type);
1832 g_assert_not_reached ();
1835 mono_mb_emit_byte (mb, CEE_RET);
1838 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1839 info->d.proxy.klass = klass;
1840 res = mono_mb_create_and_cache_full (cache, klass,
1841 mb, sig, sig->param_count + 16,
1849 mono_marshal_get_proxy_cancast (MonoClass *klass)
1851 static MonoMethodSignature *isint_sig = NULL;
1855 int pos_failed, pos_end;
1856 char *name, *klass_name;
1857 MonoMethod *can_cast_to;
1858 MonoMethodDesc *desc;
1859 MonoMethodBuilder *mb;
1861 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1862 if ((res = mono_marshal_find_in_cache (cache, klass)))
1866 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1867 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1868 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1869 isint_sig->pinvoke = 0;
1872 klass_name = mono_type_full_name (&klass->byval_arg);
1873 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1874 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1875 g_free (klass_name);
1878 mb->method->save_lmf = 1;
1881 /* get the real proxy from the transparent proxy*/
1882 mono_mb_emit_ldarg (mb, 0);
1883 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1884 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1886 /* get the reflection type from the type handle */
1887 mono_mb_emit_ptr (mb, &klass->byval_arg);
1888 mono_mb_emit_icall (mb, type_from_handle);
1890 mono_mb_emit_ldarg (mb, 0);
1892 /* make the call to CanCastTo (type, ob) */
1893 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1894 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1895 g_assert (can_cast_to);
1896 mono_method_desc_free (desc);
1897 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1899 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1901 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1902 mono_mb_emit_ptr (mb, &klass->byval_arg);
1903 mono_mb_emit_icall (mb, type_from_handle);
1904 mono_mb_emit_ldarg (mb, 0);
1906 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1907 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1909 mono_mb_emit_ldarg (mb, 0);
1910 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1914 mono_mb_patch_branch (mb, pos_failed);
1915 mono_mb_emit_byte (mb, CEE_LDNULL);
1919 mono_mb_patch_branch (mb, pos_end);
1920 mono_mb_emit_byte (mb, CEE_RET);
1923 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1924 info->d.proxy.klass = klass;
1925 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1932 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1935 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1936 klass = mono_class_from_mono_type (rtype->type);
1937 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1940 #else /* DISABLE_REMOTING */
1943 mono_remoting_init (void)
1947 #endif /* DISABLE_REMOTING */
1949 /* mono_get_xdomain_marshal_type()
1950 * Returns the kind of marshalling that a type needs for cross domain calls.
1952 static MonoXDomainMarshalType
1953 mono_get_xdomain_marshal_type (MonoType *t)
1956 case MONO_TYPE_VOID:
1957 g_assert_not_reached ();
1961 case MONO_TYPE_BOOLEAN:
1964 case MONO_TYPE_CHAR:
1971 return MONO_MARSHAL_NONE;
1972 case MONO_TYPE_STRING:
1973 return MONO_MARSHAL_COPY;
1974 case MONO_TYPE_ARRAY:
1975 case MONO_TYPE_SZARRAY: {
1976 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1977 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1978 return MONO_MARSHAL_COPY;
1984 return MONO_MARSHAL_SERIALIZE;
1987 /* mono_marshal_xdomain_copy_value
1988 * Makes a copy of "val" suitable for the current domain.
1991 mono_marshal_xdomain_copy_value (MonoObject *val)
1995 if (val == NULL) return NULL;
1997 domain = mono_domain_get ();
1999 switch (mono_object_class (val)->byval_arg.type) {
2000 case MONO_TYPE_VOID:
2001 g_assert_not_reached ();
2005 case MONO_TYPE_BOOLEAN:
2008 case MONO_TYPE_CHAR:
2014 case MONO_TYPE_R8: {
2015 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), &error);
2016 mono_error_raise_exception (&error); /* FIXME don't raise here */
2020 case MONO_TYPE_STRING: {
2021 MonoString *str = (MonoString *) val;
2022 MonoObject *res = NULL;
2023 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2024 mono_error_raise_exception (&error); /* FIXME don't raise here */
2027 case MONO_TYPE_ARRAY:
2028 case MONO_TYPE_SZARRAY: {
2030 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2031 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2032 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2033 if (mt == MONO_MARSHAL_COPY) {
2034 int i, len = mono_array_length (acopy);
2035 for (i = 0; i < len; i++) {
2036 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2037 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2040 return (MonoObject *) acopy;