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);
408 mono_marshal_get_remoting_invoke (MonoMethod *method)
410 MonoMethodSignature *sig;
411 MonoMethodBuilder *mb;
418 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
421 /* this seems to be the best plase to put this, as all remoting invokes seem to get filtered through here */
423 if (mono_class_is_com_object (method->klass) || method->klass == mono_class_try_get_com_object_class ()) {
424 MonoVTable *vtable = mono_class_vtable (mono_domain_get (), method->klass);
425 g_assert (vtable); /*FIXME do proper error handling*/
427 if (!mono_vtable_is_remote (vtable)) {
428 return mono_cominterop_get_invoke (method);
433 sig = mono_signature_no_pinvoke (method);
435 /* we cant remote methods without this pointer */
439 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
442 mono_remoting_marshal_init ();
444 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
447 mb->method->save_lmf = 1;
449 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
451 mono_mb_emit_ptr (mb, method);
452 mono_mb_emit_ldloc (mb, params_var);
453 mono_mb_emit_icall (mb, mono_remoting_wrapper);
454 mono_marshal_emit_thread_interrupt_checkpoint (mb);
456 if (sig->ret->type == MONO_TYPE_VOID) {
457 mono_mb_emit_byte (mb, CEE_POP);
458 mono_mb_emit_byte (mb, CEE_RET);
460 mono_mb_emit_restore_result (mb, sig->ret);
464 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
465 info->d.remoting.method = method;
466 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
472 /* mono_marshal_xdomain_copy_out_value()
473 * Copies the contents of the src instance into the dst instance. src and dst
474 * must have the same type, and if they are arrays, the same size.
477 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
479 if (src == NULL || dst == NULL) return;
481 g_assert (mono_object_class (src) == mono_object_class (dst));
483 switch (mono_object_class (src)->byval_arg.type) {
484 case MONO_TYPE_ARRAY:
485 case MONO_TYPE_SZARRAY: {
486 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
487 if (mt == MONO_MARSHAL_SERIALIZE) return;
488 if (mt == MONO_MARSHAL_COPY) {
489 int i, len = mono_array_length ((MonoArray *)dst);
490 for (i = 0; i < len; i++) {
491 MonoObject *item = (MonoObject *)mono_array_get ((MonoArray *)src, gpointer, i);
492 mono_array_setref ((MonoArray *)dst, i, mono_marshal_xdomain_copy_value (item));
495 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
506 #if !defined (DISABLE_JIT)
508 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
510 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_value);
511 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
515 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
517 mono_mb_emit_icall (mb, mono_marshal_xdomain_copy_out_value);
521 /* mono_marshal_supports_fast_xdomain()
522 * Returns TRUE if the method can use the fast xdomain wrapper.
525 mono_marshal_supports_fast_xdomain (MonoMethod *method)
527 return !mono_class_is_contextbound (method->klass) &&
528 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
532 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
534 MonoDomain *current_domain = mono_domain_get ();
535 MonoDomain *domain = mono_domain_get_by_id (id);
537 if (!domain || !mono_domain_set (domain, FALSE))
538 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
541 mono_thread_push_appdomain_ref (domain);
543 mono_thread_pop_appdomain_ref ();
545 return current_domain->domain_id;
548 #if !defined (DISABLE_JIT)
550 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
552 mono_mb_emit_icall (mb, mono_marshal_set_domain_by_id);
555 /* mono_marshal_emit_load_domain_method ()
556 * Loads into the stack a pointer to the code of the provided method for
557 * the current domain.
560 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
562 /* We need a pointer to the method for the running domain (not the domain
563 * that compiles the method).
565 mono_mb_emit_ptr (mb, method);
566 mono_mb_emit_icall (mb, mono_compile_method);
570 /* mono_marshal_check_domain_image ()
571 * Returns TRUE if the image is loaded in the specified
572 * application domain.
575 mono_marshal_check_domain_image (gint32 domain_id, MonoImage *image)
580 MonoDomain *domain = mono_domain_get_by_id (domain_id);
584 mono_domain_assemblies_lock (domain);
585 for (tmp = domain->domain_assemblies; tmp; tmp = tmp->next) {
586 ass = (MonoAssembly *)tmp->data;
587 if (ass->image == image)
590 mono_domain_assemblies_unlock (domain);
595 /* mono_marshal_get_xappdomain_dispatch ()
596 * Generates a method that dispatches a method call from another domain into
597 * the current domain.
600 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
602 MonoMethodSignature *sig, *csig;
603 MonoMethodBuilder *mb;
605 int i, j, param_index, copy_locals_base;
606 MonoClass *ret_class = NULL;
607 int loc_array=0, loc_return=0, loc_serialized_exc=0;
608 MonoExceptionClause *main_clause;
610 gboolean copy_return;
613 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
616 sig = mono_method_signature (method);
617 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
620 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
621 csig->params [j++] = &mono_defaults.object_class->byval_arg;
622 csig->params [j++] = &byte_array_class->this_arg;
623 csig->params [j++] = &byte_array_class->this_arg;
624 for (i = 0; i < sig->param_count; i++) {
625 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
626 csig->params [j++] = sig->params [i];
629 csig->ret = sig->ret;
631 csig->ret = &mono_defaults.void_class->byval_arg;
633 csig->hasthis = FALSE;
635 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
636 mb->method->save_lmf = 1;
641 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
642 if (complex_count > 0)
643 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
644 if (sig->ret->type != MONO_TYPE_VOID) {
645 loc_return = mono_mb_add_local (mb, sig->ret);
646 ret_class = mono_class_from_mono_type (sig->ret);
651 main_clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
652 main_clause->try_offset = mono_mb_get_label (mb);
654 /* Clean the call context */
656 mono_mb_emit_byte (mb, CEE_LDNULL);
657 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
658 mono_mb_emit_byte (mb, CEE_POP);
660 /* Deserialize call data */
662 mono_mb_emit_ldarg (mb, 1);
663 mono_mb_emit_byte (mb, CEE_LDIND_REF);
664 mono_mb_emit_byte (mb, CEE_DUP);
665 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
667 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
668 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
670 if (complex_count > 0)
671 mono_mb_emit_stloc (mb, loc_array);
673 mono_mb_emit_byte (mb, CEE_POP);
675 mono_mb_patch_short_branch (mb, pos);
677 /* Get the target object */
679 mono_mb_emit_ldarg (mb, 0);
680 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
682 /* Load the arguments */
684 copy_locals_base = mb->locals;
685 param_index = 3; // Index of the first non-serialized parameter of this wrapper
687 for (i = 0; i < sig->param_count; i++) {
688 MonoType *pt = sig->params [i];
689 MonoClass *pclass = mono_class_from_mono_type (pt);
690 switch (marshal_types [i]) {
691 case MONO_MARSHAL_SERIALIZE: {
692 /* take the value from the serialized array */
693 mono_mb_emit_ldloc (mb, loc_array);
694 mono_mb_emit_icon (mb, j++);
696 if (pclass->valuetype) {
697 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
698 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
700 mono_mb_emit_op (mb, CEE_LDELEMA, pclass);
703 if (pclass->valuetype) {
704 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
705 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
706 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
708 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
709 if (pclass != mono_defaults.object_class) {
710 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
716 case MONO_MARSHAL_COPY_OUT: {
717 /* Keep a local copy of the value since we need to copy it back after the call */
718 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
719 mono_mb_emit_ldarg (mb, param_index++);
720 mono_marshal_emit_xdomain_copy_value (mb, pclass);
721 mono_mb_emit_byte (mb, CEE_DUP);
722 mono_mb_emit_stloc (mb, copy_local);
725 case MONO_MARSHAL_COPY: {
726 mono_mb_emit_ldarg (mb, param_index);
728 mono_mb_emit_byte (mb, CEE_DUP);
729 mono_mb_emit_byte (mb, CEE_DUP);
730 mono_mb_emit_byte (mb, CEE_LDIND_REF);
731 mono_marshal_emit_xdomain_copy_value (mb, pclass);
732 mono_mb_emit_byte (mb, CEE_STIND_REF);
734 mono_marshal_emit_xdomain_copy_value (mb, pclass);
739 case MONO_MARSHAL_NONE:
740 mono_mb_emit_ldarg (mb, param_index++);
745 /* Make the call to the real object */
747 mono_marshal_emit_thread_force_interrupt_checkpoint (mb);
749 mono_mb_emit_op (mb, CEE_CALLVIRT, method);
751 if (sig->ret->type != MONO_TYPE_VOID)
752 mono_mb_emit_stloc (mb, loc_return);
754 /* copy back MONO_MARSHAL_COPY_OUT parameters */
758 for (i = 0; i < sig->param_count; i++) {
759 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
760 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
761 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
762 mono_mb_emit_ldarg (mb, param_index);
763 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
768 /* Serialize the return values */
770 if (complex_out_count > 0) {
771 /* Reset parameters in the array that don't need to be serialized back */
773 for (i = 0; i < sig->param_count; i++) {
774 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
775 if (!sig->params [i]->byref) {
776 mono_mb_emit_ldloc (mb, loc_array);
777 mono_mb_emit_icon (mb, j);
778 mono_mb_emit_byte (mb, CEE_LDNULL);
779 mono_mb_emit_byte (mb, CEE_STELEM_REF);
784 /* Add the return value to the array */
786 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
787 mono_mb_emit_ldloc (mb, loc_array);
788 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
789 mono_mb_emit_ldloc (mb, loc_return);
791 g_assert (ret_class); /*FIXME properly fail here*/
792 if (ret_class->valuetype) {
793 mono_mb_emit_op (mb, CEE_BOX, ret_class);
795 mono_mb_emit_byte (mb, CEE_STELEM_REF);
800 mono_mb_emit_ldarg (mb, 1);
801 mono_mb_emit_ldloc (mb, loc_array);
802 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
803 mono_mb_emit_byte (mb, CEE_STIND_REF);
804 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
805 mono_mb_emit_ldarg (mb, 1);
806 mono_mb_emit_ldloc (mb, loc_return);
807 if (ret_class->valuetype) {
808 mono_mb_emit_op (mb, CEE_BOX, ret_class);
810 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
811 mono_mb_emit_byte (mb, CEE_STIND_REF);
813 mono_mb_emit_ldarg (mb, 1);
814 mono_mb_emit_byte (mb, CEE_LDNULL);
815 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
816 mono_mb_emit_byte (mb, CEE_STIND_REF);
819 mono_mb_emit_ldarg (mb, 2);
820 mono_mb_emit_byte (mb, CEE_LDNULL);
821 mono_mb_emit_byte (mb, CEE_STIND_REF);
822 pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
824 /* Main exception catch */
825 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
826 main_clause->try_len = mono_mb_get_pos (mb) - main_clause->try_offset;
827 main_clause->data.catch_class = mono_defaults.object_class;
830 main_clause->handler_offset = mono_mb_get_label (mb);
831 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
832 mono_mb_emit_stloc (mb, loc_serialized_exc);
833 mono_mb_emit_ldarg (mb, 2);
834 mono_mb_emit_ldloc (mb, loc_serialized_exc);
835 mono_mb_emit_byte (mb, CEE_STIND_REF);
836 mono_mb_emit_branch (mb, CEE_LEAVE);
837 main_clause->handler_len = mono_mb_get_pos (mb) - main_clause->handler_offset;
840 mono_mb_patch_branch (mb, pos_leave);
843 mono_mb_emit_ldloc (mb, loc_return);
845 mono_mb_emit_byte (mb, CEE_RET);
847 mono_mb_set_clauses (mb, 1, main_clause);
850 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
851 info->d.remoting.method = method;
852 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16, info);
858 /* mono_marshal_get_xappdomain_invoke ()
859 * Generates a fast remoting wrapper for cross app domain calls.
862 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
864 MonoMethodSignature *sig;
865 MonoMethodBuilder *mb;
867 int i, j, complex_count, complex_out_count, copy_locals_base;
869 MonoClass *ret_class = NULL;
870 MonoMethod *xdomain_method;
871 int ret_marshal_type = MONO_MARSHAL_NONE;
872 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
873 int loc_old_domainid, loc_domainid, loc_return=0, loc_serialized_exc=0, loc_context;
874 int pos, pos_dispatch, pos_noex;
875 gboolean copy_return = FALSE;
880 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
883 /* we cant remote methods without this pointer */
884 if (!mono_method_signature (method)->hasthis)
887 mono_remoting_marshal_init ();
889 if (!mono_marshal_supports_fast_xdomain (method))
890 return mono_marshal_get_remoting_invoke (method);
892 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
895 sig = mono_signature_no_pinvoke (method);
897 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
898 mb->method->save_lmf = 1;
900 /* Count the number of parameters that need to be serialized */
902 marshal_types = (int *)alloca (sizeof (int) * sig->param_count);
903 complex_count = complex_out_count = 0;
904 for (i = 0; i < sig->param_count; i++) {
905 MonoType *ptype = sig->params[i];
906 int mt = mono_get_xdomain_marshal_type (ptype);
908 /* If the [Out] attribute is applied to a parameter that can be internally copied,
909 * the copy will be made by reusing the original object instance
911 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
912 mt = MONO_MARSHAL_COPY_OUT;
913 else if (mt == MONO_MARSHAL_SERIALIZE) {
915 if (ptype->byref) complex_out_count++;
917 marshal_types [i] = mt;
920 if (sig->ret->type != MONO_TYPE_VOID) {
921 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
922 ret_class = mono_class_from_mono_type (sig->ret);
923 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
929 if (complex_count > 0)
930 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
931 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
932 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
934 loc_return = mono_mb_add_local (mb, sig->ret);
935 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
936 loc_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
937 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
938 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
940 /* Save thread domain data */
942 mono_mb_emit_icall (mb, mono_context_get);
943 mono_mb_emit_byte (mb, CEE_DUP);
944 mono_mb_emit_stloc (mb, loc_context);
946 /* If the thread is not running in the default context, it needs to go
947 * through the whole remoting sink, since the context is going to change
949 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
950 pos = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
952 /* Another case in which the fast path can't be used: when the target domain
953 * has a different image for the same assembly.
956 /* Get the target domain id */
958 mono_mb_emit_ldarg (mb, 0);
959 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
960 mono_mb_emit_byte (mb, CEE_LDIND_REF);
961 mono_mb_emit_byte (mb, CEE_DUP);
962 mono_mb_emit_stloc (mb, loc_real_proxy);
964 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
965 mono_mb_emit_byte (mb, CEE_LDIND_I4);
966 mono_mb_emit_stloc (mb, loc_domainid);
968 /* Check if the target domain has the same image for the required assembly */
970 mono_mb_emit_ldloc (mb, loc_domainid);
971 mono_mb_emit_ptr (mb, method->klass->image);
972 mono_mb_emit_icall (mb, mono_marshal_check_domain_image);
973 pos_dispatch = mono_mb_emit_short_branch (mb, CEE_BRTRUE_S);
975 /* Use the whole remoting sink to dispatch this message */
977 mono_mb_patch_short_branch (mb, pos);
979 mono_mb_emit_ldarg (mb, 0);
980 for (i = 0; i < sig->param_count; i++)
981 mono_mb_emit_ldarg (mb, i + 1);
983 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
984 mono_mb_emit_byte (mb, CEE_RET);
985 mono_mb_patch_short_branch (mb, pos_dispatch);
987 /* Create the array that will hold the parameters to be serialized */
989 if (complex_count > 0) {
990 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 */
991 mono_mb_emit_op (mb, CEE_NEWARR, mono_defaults.object_class);
994 for (i = 0; i < sig->param_count; i++) {
996 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
997 pclass = mono_class_from_mono_type (sig->params[i]);
998 mono_mb_emit_byte (mb, CEE_DUP);
999 mono_mb_emit_icon (mb, j);
1000 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
1001 if (sig->params[i]->byref) {
1002 if (pclass->valuetype)
1003 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1005 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1007 if (pclass->valuetype)
1008 mono_mb_emit_op (mb, CEE_BOX, pclass);
1009 mono_mb_emit_byte (mb, CEE_STELEM_REF);
1012 mono_mb_emit_stloc (mb, loc_array);
1014 /* Serialize parameters */
1016 mono_mb_emit_ldloc (mb, loc_array);
1017 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1018 mono_mb_emit_stloc (mb, loc_serialized_data);
1020 mono_mb_emit_byte (mb, CEE_LDNULL);
1021 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
1022 mono_mb_emit_stloc (mb, loc_serialized_data);
1027 mono_mb_emit_ldloc (mb, loc_domainid);
1028 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
1029 mono_marshal_emit_switch_domain (mb);
1030 mono_mb_emit_stloc (mb, loc_old_domainid);
1032 /* Load the arguments */
1034 mono_mb_emit_ldloc (mb, loc_real_proxy);
1035 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
1036 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
1038 copy_locals_base = mb->locals;
1039 for (i = 0; i < sig->param_count; i++) {
1040 switch (marshal_types [i]) {
1041 case MONO_MARSHAL_SERIALIZE:
1043 case MONO_MARSHAL_COPY: {
1044 mono_mb_emit_ldarg (mb, i+1);
1045 if (sig->params [i]->byref) {
1046 /* make a local copy of the byref parameter. The real parameter
1047 * will be updated after the xdomain call
1049 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1050 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
1051 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1052 mono_mb_emit_stloc (mb, copy_local);
1053 mono_mb_emit_ldloc_addr (mb, copy_local);
1057 case MONO_MARSHAL_COPY_OUT:
1058 case MONO_MARSHAL_NONE:
1059 mono_mb_emit_ldarg (mb, i+1);
1064 /* Make the call to the invoke wrapper in the target domain */
1066 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
1067 mono_marshal_emit_load_domain_method (mb, xdomain_method);
1068 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
1071 mono_mb_emit_stloc (mb, loc_return);
1075 mono_mb_emit_ldloc (mb, loc_old_domainid);
1076 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1077 mono_marshal_emit_switch_domain (mb);
1078 mono_mb_emit_byte (mb, CEE_POP);
1080 /* Restore thread domain data */
1082 mono_mb_emit_ldloc (mb, loc_context);
1083 mono_mb_emit_icall (mb, mono_context_set);
1085 /* if (loc_serialized_exc != null) ... */
1087 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1088 pos_noex = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1090 mono_mb_emit_ldloc (mb, loc_serialized_exc);
1091 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1092 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1093 mono_mb_emit_op (mb, CEE_CASTCLASS, mono_defaults.exception_class);
1094 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
1095 mono_mb_emit_byte (mb, CEE_THROW);
1096 mono_mb_patch_short_branch (mb, pos_noex);
1098 /* copy back non-serialized output parameters */
1101 for (i = 0; i < sig->param_count; i++) {
1102 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
1103 mono_mb_emit_ldarg (mb, i + 1);
1104 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
1105 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
1106 mono_mb_emit_byte (mb, CEE_STIND_REF);
1109 /* Deserialize out parameters */
1111 if (complex_out_count > 0) {
1112 mono_mb_emit_ldloc (mb, loc_serialized_data);
1113 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1114 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1115 mono_mb_emit_stloc (mb, loc_array);
1117 /* Copy back output parameters and return type */
1120 for (i = 0; i < sig->param_count; i++) {
1121 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
1122 if (sig->params[i]->byref) {
1123 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
1124 mono_mb_emit_ldarg (mb, i + 1);
1125 mono_mb_emit_ldloc (mb, loc_array);
1126 mono_mb_emit_icon (mb, j);
1127 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1128 if (pclass->valuetype) {
1129 mono_mb_emit_op (mb, CEE_UNBOX, pclass);
1130 mono_mb_emit_op (mb, CEE_LDOBJ, pclass);
1131 mono_mb_emit_op (mb, CEE_STOBJ, pclass);
1133 if (pclass != mono_defaults.object_class)
1134 mono_mb_emit_op (mb, CEE_CASTCLASS, pclass);
1135 mono_mb_emit_byte (mb, CEE_STIND_REF);
1141 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1142 mono_mb_emit_ldloc (mb, loc_array);
1143 mono_mb_emit_icon (mb, complex_count);
1144 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
1145 if (ret_class->valuetype) {
1146 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1147 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1150 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
1151 mono_mb_emit_ldloc (mb, loc_serialized_data);
1152 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1153 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1154 if (ret_class->valuetype) {
1155 mono_mb_emit_op (mb, CEE_UNBOX, ret_class);
1156 mono_mb_emit_op (mb, CEE_LDOBJ, ret_class);
1157 } else if (ret_class != mono_defaults.object_class) {
1158 mono_mb_emit_op (mb, CEE_CASTCLASS, ret_class);
1161 mono_mb_emit_ldloc (mb, loc_serialized_data);
1162 mono_mb_emit_byte (mb, CEE_DUP);
1163 pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
1164 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
1166 mono_mb_patch_short_branch (mb, pos);
1167 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
1168 mono_mb_emit_byte (mb, CEE_POP);
1172 mono_mb_emit_ldloc (mb, loc_return);
1173 if (ret_marshal_type == MONO_MARSHAL_COPY)
1174 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
1177 mono_mb_emit_byte (mb, CEE_RET);
1178 #endif /* DISABLE_JIT */
1180 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1181 info->d.remoting.method = method;
1182 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1189 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
1191 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN) {
1192 return mono_marshal_get_xappdomain_invoke (method);
1193 } else if (target_type == MONO_REMOTING_TARGET_COMINTEROP) {
1195 return mono_cominterop_get_invoke (method);
1197 g_assert_not_reached ();
1200 return mono_marshal_get_remoting_invoke (method);
1206 G_GNUC_UNUSED static gpointer
1207 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
1209 if (rp->target_domain_id != -1)
1210 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
1212 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
1216 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1218 MonoMethodSignature *sig;
1219 MonoMethodBuilder *mb;
1220 MonoMethod *res, *native;
1222 int i, pos, pos_rem;
1226 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1229 /* we cant remote methods without this pointer */
1230 g_assert (mono_method_signature (method)->hasthis);
1232 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
1235 sig = mono_signature_no_pinvoke (method);
1237 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1240 for (i = 0; i <= sig->param_count; i++)
1241 mono_mb_emit_ldarg (mb, i);
1243 mono_mb_emit_ldarg (mb, 0);
1244 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1246 if (mono_marshal_supports_fast_xdomain (method)) {
1247 mono_mb_emit_ldarg (mb, 0);
1248 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1250 /* wrapper for cross app domain calls */
1251 native = mono_marshal_get_xappdomain_invoke (method);
1252 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1253 mono_mb_emit_byte (mb, CEE_RET);
1255 mono_mb_patch_branch (mb, pos_rem);
1257 /* wrapper for normal remote calls */
1258 native = mono_marshal_get_remoting_invoke (method);
1259 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
1260 mono_mb_emit_byte (mb, CEE_RET);
1263 mono_mb_patch_branch (mb, pos);
1264 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
1265 mono_mb_emit_byte (mb, CEE_RET);
1268 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1269 info->d.remoting.method = method;
1270 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16, info);
1277 * mono_marshal_get_ldfld_remote_wrapper:
1278 * @klass: The return type
1280 * This method generates a wrapper for calling mono_load_remote_field_new.
1281 * The return type is ignored for now, as mono_load_remote_field_new () always
1282 * returns an object. In the future, to optimize some codepaths, we might
1283 * call a different function that takes a pointer to a valuetype, instead.
1286 mono_marshal_get_ldfld_remote_wrapper (MonoClass *klass)
1288 MonoMethodSignature *sig, *csig;
1289 MonoMethodBuilder *mb;
1291 static MonoMethod* cached = NULL;
1293 mono_marshal_lock_internal ();
1295 mono_marshal_unlock_internal ();
1298 mono_marshal_unlock_internal ();
1300 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_load_remote_field_new_wrapper", MONO_WRAPPER_LDFLD_REMOTE);
1302 mb->method->save_lmf = 1;
1304 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1305 sig->params [0] = &mono_defaults.object_class->byval_arg;
1306 sig->params [1] = &mono_defaults.int_class->byval_arg;
1307 sig->params [2] = &mono_defaults.int_class->byval_arg;
1308 sig->ret = &mono_defaults.object_class->byval_arg;
1311 mono_mb_emit_ldarg (mb, 0);
1312 mono_mb_emit_ldarg (mb, 1);
1313 mono_mb_emit_ldarg (mb, 2);
1315 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1316 csig->params [0] = &mono_defaults.object_class->byval_arg;
1317 csig->params [1] = &mono_defaults.int_class->byval_arg;
1318 csig->params [2] = &mono_defaults.int_class->byval_arg;
1319 csig->ret = &mono_defaults.object_class->byval_arg;
1322 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1323 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1325 mono_mb_emit_byte (mb, CEE_RET);
1328 mono_marshal_lock_internal ();
1330 mono_marshal_unlock_internal ();
1333 newm = mono_mb_create (mb, sig, 4, NULL);
1334 mono_marshal_lock_internal ();
1339 mono_marshal_unlock_internal ();
1341 mono_marshal_unlock_internal ();
1342 mono_free_method (newm);
1351 * mono_marshal_get_ldfld_wrapper:
1352 * @type: the type of the field
1354 * This method generates a function which can be use to load a field with type
1355 * @type from an object. The generated function has the following signature:
1356 * <@type> ldfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset)
1359 mono_marshal_get_ldfld_wrapper (MonoType *type)
1361 MonoMethodSignature *sig;
1362 MonoMethodBuilder *mb;
1368 int t, pos0, pos1 = 0;
1370 type = mono_type_get_underlying_type (type);
1375 if (type->type == MONO_TYPE_SZARRAY) {
1376 klass = mono_defaults.array_class;
1377 } else if (type->type == MONO_TYPE_VALUETYPE) {
1378 klass = type->data.klass;
1379 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1380 klass = mono_defaults.object_class;
1381 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1382 klass = mono_defaults.int_class;
1383 } else if (t == MONO_TYPE_GENERICINST) {
1384 if (mono_type_generic_inst_is_valuetype (type))
1385 klass = mono_class_from_mono_type (type);
1387 klass = mono_defaults.object_class;
1389 klass = mono_class_from_mono_type (type);
1392 klass = mono_defaults.int_class;
1395 cache = get_cache (&klass->image->ldfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1396 if ((res = mono_marshal_find_in_cache (cache, klass)))
1399 /* we add the %p pointer value of klass because class names are not unique */
1400 name = g_strdup_printf ("__ldfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1401 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
1404 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1405 sig->params [0] = &mono_defaults.object_class->byval_arg;
1406 sig->params [1] = &mono_defaults.int_class->byval_arg;
1407 sig->params [2] = &mono_defaults.int_class->byval_arg;
1408 sig->params [3] = &mono_defaults.int_class->byval_arg;
1409 sig->ret = &klass->byval_arg;
1412 mono_mb_emit_ldarg (mb, 0);
1413 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1415 mono_mb_emit_ldarg (mb, 0);
1416 mono_mb_emit_ldarg (mb, 1);
1417 mono_mb_emit_ldarg (mb, 2);
1419 mono_mb_emit_managed_call (mb, mono_marshal_get_ldfld_remote_wrapper (klass), NULL);
1422 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
1423 csig->params [0] = &mono_defaults.object_class->byval_arg;
1424 csig->params [1] = &mono_defaults.int_class->byval_arg;
1425 csig->params [2] = &mono_defaults.int_class->byval_arg;
1426 csig->ret = &klass->this_arg;
1429 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
1430 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1433 if (klass->valuetype) {
1434 mono_mb_emit_op (mb, CEE_UNBOX, klass);
1435 pos1 = mono_mb_emit_branch (mb, CEE_BR);
1437 mono_mb_emit_byte (mb, CEE_RET);
1440 mono_mb_patch_branch (mb, pos0);
1442 mono_mb_emit_ldarg (mb, 0);
1443 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1444 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1445 mono_mb_emit_ldarg (mb, 3);
1446 mono_mb_emit_byte (mb, CEE_ADD);
1448 if (klass->valuetype)
1449 mono_mb_patch_branch (mb, pos1);
1454 case MONO_TYPE_BOOLEAN:
1455 case MONO_TYPE_CHAR:
1464 case MONO_TYPE_ARRAY:
1465 case MONO_TYPE_SZARRAY:
1466 case MONO_TYPE_OBJECT:
1467 case MONO_TYPE_CLASS:
1468 case MONO_TYPE_STRING:
1472 case MONO_TYPE_FNPTR:
1473 mono_mb_emit_byte (mb, mono_type_to_ldind (type));
1475 case MONO_TYPE_VALUETYPE:
1476 g_assert (!klass->enumtype);
1477 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1479 case MONO_TYPE_GENERICINST:
1480 if (mono_type_generic_inst_is_valuetype (type)) {
1481 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1483 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1487 case MONO_TYPE_MVAR:
1488 mono_mb_emit_op (mb, CEE_LDOBJ, klass);
1491 g_warning ("type %x not implemented", type->type);
1492 g_assert_not_reached ();
1495 mono_mb_emit_byte (mb, CEE_RET);
1496 #endif /* DISABLE_JIT */
1498 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1499 info->d.proxy.klass = klass;
1500 res = mono_mb_create_and_cache_full (cache, klass,
1501 mb, sig, sig->param_count + 16, info, NULL);
1508 * mono_marshal_get_ldflda_wrapper:
1509 * @type: the type of the field
1511 * This method generates a function which can be used to load a field address
1512 * from an object. The generated function has the following signature:
1513 * gpointer ldflda_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset);
1516 mono_marshal_get_ldflda_wrapper (MonoType *type)
1518 MonoMethodSignature *sig;
1519 MonoMethodBuilder *mb;
1525 int t, pos0, pos1, pos2, pos3;
1527 type = mono_type_get_underlying_type (type);
1531 if (type->type == MONO_TYPE_SZARRAY) {
1532 klass = mono_defaults.array_class;
1533 } else if (type->type == MONO_TYPE_VALUETYPE) {
1534 klass = type->data.klass;
1535 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
1536 t == MONO_TYPE_CLASS) {
1537 klass = mono_defaults.object_class;
1538 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1539 klass = mono_defaults.int_class;
1540 } else if (t == MONO_TYPE_GENERICINST) {
1541 if (mono_type_generic_inst_is_valuetype (type))
1542 klass = mono_class_from_mono_type (type);
1544 klass = mono_defaults.object_class;
1546 klass = mono_class_from_mono_type (type);
1549 klass = mono_defaults.int_class;
1552 cache = get_cache (&klass->image->ldflda_wrapper_cache, mono_aligned_addr_hash, NULL);
1553 if ((res = mono_marshal_find_in_cache (cache, klass)))
1556 /* we add the %p pointer value of klass because class names are not unique */
1557 name = g_strdup_printf ("__ldflda_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1558 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLDA);
1561 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1562 sig->params [0] = &mono_defaults.object_class->byval_arg;
1563 sig->params [1] = &mono_defaults.int_class->byval_arg;
1564 sig->params [2] = &mono_defaults.int_class->byval_arg;
1565 sig->params [3] = &mono_defaults.int_class->byval_arg;
1566 sig->ret = &mono_defaults.int_class->byval_arg;
1569 /* if typeof (this) != transparent_proxy goto pos0 */
1570 mono_mb_emit_ldarg (mb, 0);
1571 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1573 /* if same_appdomain goto pos1 */
1574 mono_mb_emit_ldarg (mb, 0);
1575 pos1 = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
1577 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another appdomain.");
1579 /* same app domain */
1580 mono_mb_patch_branch (mb, pos1);
1582 /* if typeof (this) != contextbound goto pos2 */
1583 mono_mb_emit_ldarg (mb, 0);
1584 pos2 = mono_mb_emit_contextbound_check (mb, CEE_BEQ);
1586 /* if this->rp->context == mono_context_get goto pos3 */
1587 mono_mb_emit_ldarg (mb, 0);
1588 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1589 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1590 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, context));
1591 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1592 mono_mb_emit_icall (mb, mono_context_get);
1593 pos3 = mono_mb_emit_branch (mb, CEE_BEQ);
1595 mono_mb_emit_exception_full (mb, "System", "InvalidOperationException", "Attempt to load field address from object in another context.");
1597 mono_mb_patch_branch (mb, pos2);
1598 mono_mb_patch_branch (mb, pos3);
1600 /* return the address of the field from this->rp->unwrapped_server */
1601 mono_mb_emit_ldarg (mb, 0);
1602 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1603 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1604 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoRealProxy, unwrapped_server));
1605 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1606 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1607 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1608 mono_mb_emit_ldarg (mb, 3);
1609 mono_mb_emit_byte (mb, CEE_ADD);
1610 mono_mb_emit_byte (mb, CEE_RET);
1612 /* not a proxy: return the address of the field directly */
1613 mono_mb_patch_branch (mb, pos0);
1615 mono_mb_emit_ldarg (mb, 0);
1616 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1617 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1618 mono_mb_emit_ldarg (mb, 3);
1619 mono_mb_emit_byte (mb, CEE_ADD);
1621 mono_mb_emit_byte (mb, CEE_RET);
1624 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1625 info->d.proxy.klass = klass;
1626 res = mono_mb_create_and_cache_full (cache, klass,
1627 mb, sig, sig->param_count + 16,
1635 * mono_marshal_get_stfld_remote_wrapper:
1636 * klass: The type of the field
1638 * This function generates a wrapper for calling mono_store_remote_field_new
1639 * with the appropriate signature.
1640 * Similarly to mono_marshal_get_ldfld_remote_wrapper () this doesn't depend on the
1641 * klass argument anymore.
1644 mono_marshal_get_stfld_remote_wrapper (MonoClass *klass)
1646 MonoMethodSignature *sig, *csig;
1647 MonoMethodBuilder *mb;
1649 static MonoMethod *cached = NULL;
1651 mono_marshal_lock_internal ();
1653 mono_marshal_unlock_internal ();
1656 mono_marshal_unlock_internal ();
1658 mb = mono_mb_new_no_dup_name (mono_defaults.object_class, "__mono_store_remote_field_new_wrapper", MONO_WRAPPER_STFLD_REMOTE);
1660 mb->method->save_lmf = 1;
1662 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1663 sig->params [0] = &mono_defaults.object_class->byval_arg;
1664 sig->params [1] = &mono_defaults.int_class->byval_arg;
1665 sig->params [2] = &mono_defaults.int_class->byval_arg;
1666 sig->params [3] = &mono_defaults.object_class->byval_arg;
1667 sig->ret = &mono_defaults.void_class->byval_arg;
1670 mono_mb_emit_ldarg (mb, 0);
1671 mono_mb_emit_ldarg (mb, 1);
1672 mono_mb_emit_ldarg (mb, 2);
1673 mono_mb_emit_ldarg (mb, 3);
1675 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
1676 csig->params [0] = &mono_defaults.object_class->byval_arg;
1677 csig->params [1] = &mono_defaults.int_class->byval_arg;
1678 csig->params [2] = &mono_defaults.int_class->byval_arg;
1679 csig->params [3] = &mono_defaults.object_class->byval_arg;
1680 csig->ret = &mono_defaults.void_class->byval_arg;
1683 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
1684 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1686 mono_mb_emit_byte (mb, CEE_RET);
1689 mono_marshal_lock_internal ();
1691 mono_marshal_unlock_internal ();
1694 newm = mono_mb_create (mb, sig, 6, NULL);
1695 mono_marshal_lock_internal ();
1700 mono_marshal_unlock_internal ();
1702 mono_marshal_unlock_internal ();
1703 mono_free_method (newm);
1712 * mono_marshal_get_stfld_wrapper:
1713 * @type: the type of the field
1715 * This method generates a function which can be use to store a field with type
1716 * @type. The generated function has the following signature:
1717 * void stfld_wrapper (MonoObject *this_obj, MonoClass *klass, MonoClassField *field, int offset, <@type> val)
1720 mono_marshal_get_stfld_wrapper (MonoType *type)
1722 MonoMethodSignature *sig;
1723 MonoMethodBuilder *mb;
1731 type = mono_type_get_underlying_type (type);
1735 if (type->type == MONO_TYPE_SZARRAY) {
1736 klass = mono_defaults.array_class;
1737 } else if (type->type == MONO_TYPE_VALUETYPE) {
1738 klass = type->data.klass;
1739 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING) {
1740 klass = mono_defaults.object_class;
1741 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
1742 klass = mono_defaults.int_class;
1743 } else if (t == MONO_TYPE_GENERICINST) {
1744 if (mono_type_generic_inst_is_valuetype (type))
1745 klass = mono_class_from_mono_type (type);
1747 klass = mono_defaults.object_class;
1749 klass = mono_class_from_mono_type (type);
1752 klass = mono_defaults.int_class;
1755 cache = get_cache (&klass->image->stfld_wrapper_cache, mono_aligned_addr_hash, NULL);
1756 if ((res = mono_marshal_find_in_cache (cache, klass)))
1759 /* we add the %p pointer value of klass because class names are not unique */
1760 name = g_strdup_printf ("__stfld_wrapper_%p_%s.%s", klass, klass->name_space, klass->name);
1761 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
1764 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
1765 sig->params [0] = &mono_defaults.object_class->byval_arg;
1766 sig->params [1] = &mono_defaults.int_class->byval_arg;
1767 sig->params [2] = &mono_defaults.int_class->byval_arg;
1768 sig->params [3] = &mono_defaults.int_class->byval_arg;
1769 sig->params [4] = &klass->byval_arg;
1770 sig->ret = &mono_defaults.void_class->byval_arg;
1773 mono_mb_emit_ldarg (mb, 0);
1774 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1776 mono_mb_emit_ldarg (mb, 0);
1777 mono_mb_emit_ldarg (mb, 1);
1778 mono_mb_emit_ldarg (mb, 2);
1779 mono_mb_emit_ldarg (mb, 4);
1780 if (klass->valuetype)
1781 mono_mb_emit_op (mb, CEE_BOX, klass);
1783 mono_mb_emit_managed_call (mb, mono_marshal_get_stfld_remote_wrapper (klass), NULL);
1785 mono_mb_emit_byte (mb, CEE_RET);
1787 mono_mb_patch_branch (mb, pos);
1789 mono_mb_emit_ldarg (mb, 0);
1790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1791 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1792 mono_mb_emit_ldarg (mb, 3);
1793 mono_mb_emit_byte (mb, CEE_ADD);
1794 mono_mb_emit_ldarg (mb, 4);
1799 case MONO_TYPE_BOOLEAN:
1800 case MONO_TYPE_CHAR:
1809 case MONO_TYPE_ARRAY:
1810 case MONO_TYPE_SZARRAY:
1811 case MONO_TYPE_OBJECT:
1812 case MONO_TYPE_CLASS:
1813 case MONO_TYPE_STRING:
1817 case MONO_TYPE_FNPTR:
1818 mono_mb_emit_byte (mb, mono_type_to_stind (type));
1820 case MONO_TYPE_VALUETYPE:
1821 g_assert (!klass->enumtype);
1822 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1824 case MONO_TYPE_GENERICINST:
1826 case MONO_TYPE_MVAR:
1827 mono_mb_emit_op (mb, CEE_STOBJ, klass);
1830 g_warning ("type %x not implemented", type->type);
1831 g_assert_not_reached ();
1834 mono_mb_emit_byte (mb, CEE_RET);
1837 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1838 info->d.proxy.klass = klass;
1839 res = mono_mb_create_and_cache_full (cache, klass,
1840 mb, sig, sig->param_count + 16,
1848 mono_marshal_get_proxy_cancast (MonoClass *klass)
1850 static MonoMethodSignature *isint_sig = NULL;
1854 int pos_failed, pos_end;
1855 char *name, *klass_name;
1856 MonoMethod *can_cast_to;
1857 MonoMethodDesc *desc;
1858 MonoMethodBuilder *mb;
1860 cache = get_cache (&klass->image->proxy_isinst_cache, mono_aligned_addr_hash, NULL);
1861 if ((res = mono_marshal_find_in_cache (cache, klass)))
1865 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
1866 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
1867 isint_sig->ret = &mono_defaults.object_class->byval_arg;
1868 isint_sig->pinvoke = 0;
1871 klass_name = mono_type_full_name (&klass->byval_arg);
1872 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass_name);
1873 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
1874 g_free (klass_name);
1877 mb->method->save_lmf = 1;
1880 /* get the real proxy from the transparent proxy*/
1881 mono_mb_emit_ldarg (mb, 0);
1882 mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoTransparentProxy, rp));
1883 mono_mb_emit_byte (mb, CEE_LDIND_REF);
1885 /* get the reflection type from the type handle */
1886 mono_mb_emit_ptr (mb, &klass->byval_arg);
1887 mono_mb_emit_icall (mb, type_from_handle);
1889 mono_mb_emit_ldarg (mb, 0);
1891 /* make the call to CanCastTo (type, ob) */
1892 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
1893 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
1894 g_assert (can_cast_to);
1895 mono_method_desc_free (desc);
1896 mono_mb_emit_op (mb, CEE_CALLVIRT, can_cast_to);
1898 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
1900 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
1901 mono_mb_emit_ptr (mb, &klass->byval_arg);
1902 mono_mb_emit_icall (mb, type_from_handle);
1903 mono_mb_emit_ldarg (mb, 0);
1905 mono_mb_emit_icall (mb, mono_upgrade_remote_class_wrapper);
1906 mono_marshal_emit_thread_interrupt_checkpoint (mb);
1908 mono_mb_emit_ldarg (mb, 0);
1909 pos_end = mono_mb_emit_branch (mb, CEE_BR);
1913 mono_mb_patch_branch (mb, pos_failed);
1914 mono_mb_emit_byte (mb, CEE_LDNULL);
1918 mono_mb_patch_branch (mb, pos_end);
1919 mono_mb_emit_byte (mb, CEE_RET);
1922 info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
1923 info->d.proxy.klass = klass;
1924 res = mono_mb_create_and_cache_full (cache, klass, mb, isint_sig, isint_sig->param_count + 16, info, NULL);
1931 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
1934 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
1935 klass = mono_class_from_mono_type (rtype->type);
1936 mono_upgrade_remote_class (domain, (MonoObject*)tproxy, klass);
1939 #else /* DISABLE_REMOTING */
1942 mono_remoting_init (void)
1946 #endif /* DISABLE_REMOTING */
1948 /* mono_get_xdomain_marshal_type()
1949 * Returns the kind of marshalling that a type needs for cross domain calls.
1951 static MonoXDomainMarshalType
1952 mono_get_xdomain_marshal_type (MonoType *t)
1955 case MONO_TYPE_VOID:
1956 g_assert_not_reached ();
1960 case MONO_TYPE_BOOLEAN:
1963 case MONO_TYPE_CHAR:
1970 return MONO_MARSHAL_NONE;
1971 case MONO_TYPE_STRING:
1972 return MONO_MARSHAL_COPY;
1973 case MONO_TYPE_ARRAY:
1974 case MONO_TYPE_SZARRAY: {
1975 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
1976 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
1977 return MONO_MARSHAL_COPY;
1983 return MONO_MARSHAL_SERIALIZE;
1986 /* mono_marshal_xdomain_copy_value
1987 * Makes a copy of "val" suitable for the current domain.
1990 mono_marshal_xdomain_copy_value (MonoObject *val)
1994 if (val == NULL) return NULL;
1996 domain = mono_domain_get ();
1998 switch (mono_object_class (val)->byval_arg.type) {
1999 case MONO_TYPE_VOID:
2000 g_assert_not_reached ();
2004 case MONO_TYPE_BOOLEAN:
2007 case MONO_TYPE_CHAR:
2013 case MONO_TYPE_R8: {
2014 MonoObject *res = mono_value_box_checked (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject), &error);
2015 mono_error_raise_exception (&error); /* FIXME don't raise here */
2019 case MONO_TYPE_STRING: {
2020 MonoString *str = (MonoString *) val;
2021 MonoObject *res = NULL;
2022 res = (MonoObject *) mono_string_new_utf16_checked (domain, mono_string_chars (str), mono_string_length (str), &error);
2023 mono_error_raise_exception (&error); /* FIXME don't raise here */
2026 case MONO_TYPE_ARRAY:
2027 case MONO_TYPE_SZARRAY: {
2029 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2030 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2031 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2032 if (mt == MONO_MARSHAL_COPY) {
2033 int i, len = mono_array_length (acopy);
2034 for (i = 0; i < len; i++) {
2035 MonoObject *item = (MonoObject *)mono_array_get (acopy, gpointer, i);
2036 mono_array_setref (acopy, i, mono_marshal_xdomain_copy_value (item));
2039 return (MonoObject *) acopy;