2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include <mono/os/gc_wrapper.h>
30 /* #define DEBUG_RUNTIME_CODE */
32 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
36 MONO_MARSHAL_NONE, /* No marshalling needed */
37 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
38 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
39 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
40 } MonoXDomainMarshalType;
43 #include "mono/cil/opcode.def"
48 struct _MonoMethodBuilder {
52 guint32 code_size, pos;
56 struct _MonoRemotingMethods {
58 MonoMethod *invoke_with_check;
59 MonoMethod *xdomain_invoke;
60 MonoMethod *xdomain_dispatch;
63 typedef struct _MonoRemotingMethods MonoRemotingMethods;
66 delegate_hash_table_add (MonoDelegate *d);
69 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
71 #ifdef DEBUG_RUNTIME_CODE
73 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
75 return g_strdup (" ");
78 static MonoDisHelper marshal_dh = {
88 /* This mutex protects the various marshalling related caches in MonoImage */
89 static CRITICAL_SECTION marshal_mutex;
91 /* Maps wrapper methods to the methods they wrap */
92 static GHashTable *wrapper_hash;
94 static guint32 last_error_tls_id;
96 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
97 void * mono_marshal_string_to_utf16 (MonoString *s);
99 static gpointer mono_string_to_lpstr (MonoString *string_obj);
102 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
104 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
106 mono_register_jit_icall (func, name, sig, save);
109 static MonoMethodSignature*
110 signature_no_pinvoke (MonoMethodSignature* sig)
113 sig = mono_metadata_signature_dup (sig);
114 sig->pinvoke = FALSE;
121 mono_marshal_init (void)
123 static gboolean module_initialized = FALSE;
125 if (!module_initialized) {
126 module_initialized = TRUE;
127 InitializeCriticalSection (&marshal_mutex);
128 wrapper_hash = g_hash_table_new (NULL, NULL);
129 last_error_tls_id = TlsAlloc ();
131 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
132 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
133 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
134 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
135 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
136 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
137 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
138 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
139 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
140 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
141 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
142 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
143 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
144 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
145 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
146 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
147 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
148 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
149 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
150 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
151 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
152 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
153 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
154 register_icall (g_free, "g_free", "void ptr", FALSE);
155 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
156 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
161 MonoClass *byte_array_class;
162 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
163 static MonoMethod *method_set_context, *method_get_context, *method_reset_datastore, *method_restore_datastore;
164 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
167 mono_remoting_marshal_init (void)
171 static gboolean module_initialized = FALSE;
173 if (!module_initialized) {
174 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
175 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
176 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
177 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
179 klass = mono_defaults.real_proxy_class;
180 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
182 klass = mono_defaults.exception_class;
183 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
185 klass = mono_defaults.thread_class;
186 method_reset_datastore = mono_class_get_method_from_name (klass, "ResetDataStoreStatus", -1);
187 method_restore_datastore = mono_class_get_method_from_name (klass, "RestoreDataStoreStatus", -1);
188 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
190 klass = mono_defaults.appdomain_class;
191 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
192 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
194 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
195 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
197 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
198 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
203 mono_delegate_to_ftnptr (MonoDelegate *delegate)
205 MonoMethod *method, *wrapper, *invoke;
206 MonoMarshalSpec **mspecs;
213 if (delegate->delegate_trampoline)
214 return delegate->delegate_trampoline;
216 klass = ((MonoObject *)delegate)->vtable->klass;
217 g_assert (klass->delegate);
219 method = delegate->method_info->method;
220 invoke = mono_class_get_method_from_name (klass, "Invoke", method->signature->param_count);
222 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
223 mono_method_get_marshal_info (invoke, mspecs);
225 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
227 for (i = invoke->signature->param_count; i >= 0; i--)
229 mono_metadata_free_marshal_spec (mspecs [i]);
232 delegate->delegate_trampoline = mono_compile_method (wrapper);
234 // Add the delegate to the delegate hash table
235 delegate_hash_table_add (delegate);
237 return delegate->delegate_trampoline;
240 static GHashTable *delegate_hash_table;
243 delegate_hash_table_new (void) {
244 return g_hash_table_new (NULL, NULL);
248 delegate_hash_table_remove (MonoDelegate *d)
250 EnterCriticalSection (&marshal_mutex);
251 if (delegate_hash_table == NULL)
252 delegate_hash_table = delegate_hash_table_new ();
253 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
254 LeaveCriticalSection (&marshal_mutex);
258 delegate_hash_table_add (MonoDelegate *d)
260 EnterCriticalSection (&marshal_mutex);
261 if (delegate_hash_table == NULL)
262 delegate_hash_table = delegate_hash_table_new ();
263 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
264 LeaveCriticalSection (&marshal_mutex);
268 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
272 EnterCriticalSection (&marshal_mutex);
273 if (delegate_hash_table == NULL)
274 delegate_hash_table = delegate_hash_table_new ();
276 d = g_hash_table_lookup (delegate_hash_table, ftn);
277 LeaveCriticalSection (&marshal_mutex);
279 mono_raise_exception (mono_get_exception_argument (NULL, "Additional information: Function pointer was not created by a delegate."));
284 mono_delegate_free_ftnptr (MonoDelegate *delegate)
289 delegate_hash_table_remove (delegate);
290 ptr2 = delegate->delegate_trampoline;
292 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
293 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
296 if (!delegate->target) {
297 /* The wrapper method is shared between delegates -> no need to free it */
301 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
305 mono_array_to_savearray (MonoArray *array)
310 g_assert_not_reached ();
315 mono_array_to_lparray (MonoArray *array)
320 /* fixme: maybe we need to make a copy */
321 return array->vector;
325 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
327 GError *error = NULL;
337 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
339 if (items_written > mono_stringbuilder_capacity (sb))
340 items_written = mono_stringbuilder_capacity (sb);
343 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
344 sb->length = items_written;
346 g_error_free (error);
352 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
359 g_assert (mono_string_chars (sb->str) == text);
361 for (len = 0; text [len] != 0; ++len)
368 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
370 GError *error = NULL;
377 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
379 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
381 g_error_free (error);
382 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
385 memcpy (res, tmp, sb->length + 1);
393 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
398 return mono_string_chars (sb->str);
402 mono_string_to_lpstr (MonoString *s)
404 #ifdef PLATFORM_WIN32
407 GError *error = NULL;
413 as = CoTaskMemAlloc (1);
418 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
420 g_warning (error->message);
421 g_error_free (error);
425 as = CoTaskMemAlloc (len + 1);
426 memcpy (as, tmp, len + 1);
430 return mono_string_to_utf8 (s);
435 mono_string_to_ansibstr (MonoString *string_obj)
437 g_error ("UnmanagedMarshal.BStr is not implemented.");
442 mono_string_to_bstr (MonoString *string_obj)
444 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
449 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
454 g_assert (dst != NULL);
457 memset (dst, 0, size);
462 s = mono_string_to_utf8 (src);
463 len = MIN (size, strlen (s));
464 memcpy (dst, s, len);
467 *((char *)dst + size - 1) = 0;
471 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
475 g_assert (dst != NULL);
479 memset (dst, 0, size);
483 len = MIN (size, (mono_string_length (src) * 2));
484 memcpy (dst, mono_string_chars (src), len);
486 *((char *)dst + size - 1) = 0;
487 *((char *)dst + size - 2) = 0;
491 mono_mb_free (MonoMethodBuilder *mb)
493 g_list_free (mb->locals_list);
498 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
500 MonoMethodBuilder *mb;
503 g_assert (klass != NULL);
504 g_assert (name != NULL);
506 mb = g_new0 (MonoMethodBuilder, 1);
508 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
511 m->name = g_strdup (name);
513 m->wrapper_type = type;
516 mb->code = g_malloc (mb->code_size);
522 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
524 int res = mb->locals;
526 g_assert (mb != NULL);
527 g_assert (type != NULL);
529 mb->locals_list = g_list_append (mb->locals_list, type);
536 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
538 MonoMethodHeader *header;
542 g_assert (mb != NULL);
544 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
545 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
550 header->max_stack = max_stack;
552 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
553 header->locals [i] = (MonoType *)l->data;
556 mb->method->signature = signature;
557 header->code = mb->code;
558 header->code_size = mb->pos;
559 header->num_locals = mb->locals;
561 #ifdef DEBUG_RUNTIME_CODE
562 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
563 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
570 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
572 MonoMethodWrapper *mw;
574 g_assert (mb != NULL);
576 mw = (MonoMethodWrapper *)mb->method;
578 mw->data = g_list_append (mw->data, data);
580 return g_list_length (mw->data);
584 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
586 mb->code [pos] = value & 0xff;
587 mb->code [pos + 1] = (value >> 8) & 0xff;
588 mb->code [pos + 2] = (value >> 16) & 0xff;
589 mb->code [pos + 3] = (value >> 24) & 0xff;
593 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
595 *((gint8 *)(&mb->code [pos])) = value;
599 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
601 if (mb->pos >= mb->code_size) {
603 mb->code = g_realloc (mb->code, mb->code_size);
606 mb->code [mb->pos++] = op;
610 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
612 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
613 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
616 mono_mb_emit_icon (mb, offset);
617 mono_mb_emit_byte (mb, CEE_ADD);
622 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
625 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
626 mono_mb_emit_byte (mb, CEE_LDIND_I);
627 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
628 mono_mb_emit_byte (mb, CEE_ADD);
629 mono_mb_emit_byte (mb, CEE_LDIND_I);
630 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
631 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
632 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
633 mono_mb_emit_byte (mb, branch_code);
635 mono_mb_emit_i4 (mb, 0);
640 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
643 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
644 mono_mb_emit_byte (mb, CEE_LDIND_REF);
645 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
646 mono_mb_emit_byte (mb, CEE_LDIND_I4);
647 mono_mb_emit_icon (mb, -1);
648 mono_mb_emit_byte (mb, branch_code);
650 mono_mb_emit_i4 (mb, 0);
655 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
657 if ((mb->pos + 4) >= mb->code_size) {
659 mb->code = g_realloc (mb->code, mb->code_size);
662 mono_mb_patch_addr (mb, mb->pos, data);
667 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
669 if ((mb->pos + 2) >= mb->code_size) {
671 mb->code = g_realloc (mb->code, mb->code_size);
674 mb->code [mb->pos] = data & 0xff;
675 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
680 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
682 mono_mb_emit_byte (mb, CEE_LDSTR);
683 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
688 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
691 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
692 } else if (argnum < 256) {
693 mono_mb_emit_byte (mb, CEE_LDARG_S);
694 mono_mb_emit_byte (mb, argnum);
696 mono_mb_emit_byte (mb, CEE_PREFIX1);
697 mono_mb_emit_byte (mb, CEE_LDARG);
698 mono_mb_emit_i2 (mb, argnum);
703 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
706 mono_mb_emit_byte (mb, CEE_LDARGA_S);
707 mono_mb_emit_byte (mb, argnum);
709 mono_mb_emit_byte (mb, CEE_PREFIX1);
710 mono_mb_emit_byte (mb, CEE_LDARGA);
711 mono_mb_emit_i2 (mb, argnum);
716 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
719 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
720 mono_mb_emit_byte (mb, locnum);
722 mono_mb_emit_byte (mb, CEE_PREFIX1);
723 mono_mb_emit_byte (mb, CEE_LDLOCA);
724 mono_mb_emit_i2 (mb, locnum);
729 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
732 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
733 } else if (num < 256) {
734 mono_mb_emit_byte (mb, CEE_LDLOC_S);
735 mono_mb_emit_byte (mb, num);
737 mono_mb_emit_byte (mb, CEE_PREFIX1);
738 mono_mb_emit_byte (mb, CEE_LDLOC);
739 mono_mb_emit_i2 (mb, num);
744 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
747 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
748 } else if (num < 256) {
749 mono_mb_emit_byte (mb, CEE_STLOC_S);
750 mono_mb_emit_byte (mb, num);
752 mono_mb_emit_byte (mb, CEE_PREFIX1);
753 mono_mb_emit_byte (mb, CEE_STLOC);
754 mono_mb_emit_i2 (mb, num);
759 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
761 if (value >= -1 && value < 8) {
762 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
763 } else if (value >= -128 && value <= 127) {
764 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
765 mono_mb_emit_byte (mb, value);
767 mono_mb_emit_byte (mb, CEE_LDC_I4);
768 mono_mb_emit_i4 (mb, value);
773 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
776 mono_mb_emit_byte (mb, op);
778 mono_mb_emit_i4 (mb, 0);
783 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
785 mono_mb_emit_byte (mb, CEE_CALLI);
786 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
790 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
792 mono_mb_emit_byte (mb, CEE_CALL);
793 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
797 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
799 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
800 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
801 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
802 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
803 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
804 mono_mb_emit_calli (mb, sig);
805 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
806 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
810 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
812 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
813 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
814 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
818 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
820 /* fixme: we need a better way to throw exception,
821 * supporting several exception types and messages */
822 MonoMethod *ctor = NULL;
824 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
826 mono_class_init (mme);
827 for (i = 0; i < mme->method.count; ++i) {
828 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
829 ctor = mme->methods [i];
834 mono_mb_emit_byte (mb, CEE_NEWOBJ);
835 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
837 mono_mb_emit_byte (mb, CEE_DUP);
838 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
839 mono_mb_emit_ldstr (mb, (char*)msg);
840 mono_mb_emit_byte (mb, CEE_STIND_I);
842 mono_mb_emit_byte (mb, CEE_THROW);
846 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
848 mono_mb_emit_ldloc (mb, local);
849 mono_mb_emit_icon (mb, incr);
850 mono_mb_emit_byte (mb, CEE_ADD);
851 mono_mb_emit_stloc (mb, local);
855 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
856 int usize, int msize, MonoMarshalSpec *mspec)
859 case MONO_MARSHAL_CONV_BOOL_I4:
860 mono_mb_emit_byte (mb, CEE_LDLOC_1);
861 mono_mb_emit_byte (mb, CEE_LDLOC_0);
862 mono_mb_emit_byte (mb, CEE_LDIND_I4);
863 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
864 mono_mb_emit_byte (mb, 3);
865 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
866 mono_mb_emit_byte (mb, CEE_BR_S);
867 mono_mb_emit_byte (mb, 1);
868 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
869 mono_mb_emit_byte (mb, CEE_STIND_I1);
871 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
872 mono_mb_emit_byte (mb, CEE_LDLOC_1);
873 mono_mb_emit_byte (mb, CEE_LDLOC_0);
874 mono_mb_emit_byte (mb, CEE_LDIND_I2);
875 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
876 mono_mb_emit_byte (mb, 3);
877 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
878 mono_mb_emit_byte (mb, CEE_BR_S);
879 mono_mb_emit_byte (mb, 1);
880 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
881 mono_mb_emit_byte (mb, CEE_STIND_I1);
883 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
884 MonoClass *eclass = NULL;
887 if (type->type == MONO_TYPE_SZARRAY) {
888 eclass = type->data.klass;
890 g_assert_not_reached ();
893 if (eclass->valuetype)
894 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
896 esize = sizeof (gpointer);
898 /* create a new array */
899 mono_mb_emit_byte (mb, CEE_LDLOC_1);
900 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
901 mono_mb_emit_byte (mb, CEE_NEWARR);
902 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
903 mono_mb_emit_byte (mb, CEE_STIND_I);
905 /* copy the elements */
906 mono_mb_emit_byte (mb, CEE_LDLOC_1);
907 mono_mb_emit_byte (mb, CEE_LDIND_I);
908 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
909 mono_mb_emit_byte (mb, CEE_ADD);
910 mono_mb_emit_byte (mb, CEE_LDLOC_0);
911 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
912 mono_mb_emit_byte (mb, CEE_PREFIX1);
913 mono_mb_emit_byte (mb, CEE_CPBLK);
917 case MONO_MARSHAL_CONV_STR_BYVALSTR:
918 mono_mb_emit_byte (mb, CEE_LDLOC_1);
919 mono_mb_emit_byte (mb, CEE_LDLOC_0);
920 mono_mb_emit_icall (mb, mono_string_new_wrapper);
921 mono_mb_emit_byte (mb, CEE_STIND_I);
923 case MONO_MARSHAL_CONV_STR_LPTSTR:
924 case MONO_MARSHAL_CONV_STR_LPSTR:
925 mono_mb_emit_byte (mb, CEE_LDLOC_1);
926 mono_mb_emit_byte (mb, CEE_LDLOC_0);
927 mono_mb_emit_byte (mb, CEE_LDIND_I);
928 mono_mb_emit_icall (mb, mono_string_new_wrapper);
929 mono_mb_emit_byte (mb, CEE_STIND_I);
931 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
932 MonoClass *klass = mono_class_from_mono_type (type);
933 int src_var, dst_var;
935 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
936 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
938 /* *dst = new object */
939 mono_mb_emit_byte (mb, CEE_LDLOC_1);
940 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
941 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
942 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
943 mono_mb_emit_byte (mb, CEE_STIND_I);
945 /* save the old src pointer */
946 mono_mb_emit_byte (mb, CEE_LDLOC_0);
947 mono_mb_emit_stloc (mb, src_var);
948 /* save the old dst pointer */
949 mono_mb_emit_byte (mb, CEE_LDLOC_1);
950 mono_mb_emit_stloc (mb, dst_var);
952 /* dst = pointer to newly created object data */
953 mono_mb_emit_byte (mb, CEE_LDLOC_1);
954 mono_mb_emit_byte (mb, CEE_LDIND_I);
955 mono_mb_emit_icon (mb, sizeof (MonoObject));
956 mono_mb_emit_byte (mb, CEE_ADD);
957 mono_mb_emit_byte (mb, CEE_STLOC_1);
959 emit_struct_conv (mb, klass, TRUE);
961 /* restore the old src pointer */
962 mono_mb_emit_ldloc (mb, src_var);
963 mono_mb_emit_byte (mb, CEE_STLOC_0);
964 /* restore the old dst pointer */
965 mono_mb_emit_ldloc (mb, dst_var);
966 mono_mb_emit_byte (mb, CEE_STLOC_1);
969 case MONO_MARSHAL_CONV_DEL_FTN: {
970 /* fixme: we never convert functions back to delegates, dont
971 // know if thats the correct behaviour
975 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
976 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
978 case MONO_MARSHAL_CONV_STR_LPWSTR:
979 case MONO_MARSHAL_CONV_STR_BSTR:
980 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
981 case MONO_MARSHAL_CONV_STR_TBSTR:
982 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
983 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
985 g_warning ("marshaling conversion %d not implemented", conv);
986 g_assert_not_reached ();
991 conv_to_icall (MonoMarshalConv conv)
994 case MONO_MARSHAL_CONV_STR_LPWSTR:
995 return mono_marshal_string_to_utf16;
996 case MONO_MARSHAL_CONV_LPWSTR_STR:
997 return mono_string_from_utf16;
998 case MONO_MARSHAL_CONV_LPSTR_STR:
999 return mono_string_new_wrapper;
1000 case MONO_MARSHAL_CONV_STR_LPTSTR:
1001 case MONO_MARSHAL_CONV_STR_LPSTR:
1002 return mono_string_to_lpstr;
1003 case MONO_MARSHAL_CONV_STR_BSTR:
1004 return mono_string_to_bstr;
1005 case MONO_MARSHAL_CONV_STR_TBSTR:
1006 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1007 return mono_string_to_ansibstr;
1008 case MONO_MARSHAL_CONV_SB_LPSTR:
1009 case MONO_MARSHAL_CONV_SB_LPTSTR:
1010 return mono_string_builder_to_utf8;
1011 case MONO_MARSHAL_CONV_SB_LPWSTR:
1012 return mono_string_builder_to_utf16;
1013 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1014 return mono_array_to_savearray;
1015 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1016 return mono_array_to_lparray;
1017 case MONO_MARSHAL_CONV_DEL_FTN:
1018 return mono_delegate_to_ftnptr;
1019 case MONO_MARSHAL_CONV_FTN_DEL:
1020 return mono_ftnptr_to_delegate;
1021 case MONO_MARSHAL_CONV_LPSTR_SB:
1022 case MONO_MARSHAL_CONV_LPTSTR_SB:
1023 return mono_string_utf8_to_builder;
1024 case MONO_MARSHAL_CONV_LPWSTR_SB:
1025 return mono_string_utf16_to_builder;
1026 case MONO_MARSHAL_FREE_ARRAY:
1027 return mono_marshal_free_array;
1028 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1029 return mono_string_to_byvalstr;
1030 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1031 return mono_string_to_byvalwstr;
1033 g_assert_not_reached ();
1040 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1041 MonoMarshalSpec *mspec)
1046 case MONO_MARSHAL_CONV_BOOL_I4:
1047 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1048 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1049 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1050 mono_mb_emit_byte (mb, CEE_STIND_I4);
1052 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1053 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1054 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1055 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1056 mono_mb_emit_byte (mb, CEE_NEG);
1057 mono_mb_emit_byte (mb, CEE_STIND_I2);
1059 case MONO_MARSHAL_CONV_STR_LPWSTR:
1060 case MONO_MARSHAL_CONV_STR_LPSTR:
1061 case MONO_MARSHAL_CONV_STR_LPTSTR:
1062 case MONO_MARSHAL_CONV_STR_BSTR:
1063 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1064 case MONO_MARSHAL_CONV_STR_TBSTR: {
1067 /* free space if free == true */
1068 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1069 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1071 mono_mb_emit_byte (mb, 0);
1072 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1073 mono_mb_emit_byte (mb, CEE_LDIND_I);
1074 mono_mb_emit_icall (mb, g_free);
1075 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1077 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1078 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1079 mono_mb_emit_byte (mb, CEE_LDIND_I);
1080 mono_mb_emit_icall (mb, conv_to_icall (conv));
1081 mono_mb_emit_byte (mb, CEE_STIND_I);
1084 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1085 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1086 case MONO_MARSHAL_CONV_DEL_FTN:
1087 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1088 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1089 mono_mb_emit_byte (mb, CEE_LDIND_I);
1090 mono_mb_emit_icall (mb, conv_to_icall (conv));
1091 mono_mb_emit_byte (mb, CEE_STIND_I);
1093 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1094 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1098 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1099 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1100 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1101 mono_mb_emit_icon (mb, usize);
1102 mono_mb_emit_icall (mb, conv_to_icall (conv));
1105 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1106 MonoClass *eclass = NULL;
1109 if (type->type == MONO_TYPE_SZARRAY) {
1110 eclass = type->data.klass;
1112 g_assert_not_reached ();
1115 if (eclass->valuetype)
1116 esize = mono_class_native_size (eclass, NULL);
1118 esize = sizeof (gpointer);
1123 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1124 mono_mb_emit_byte (mb, CEE_LDIND_I);
1125 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1127 mono_mb_emit_byte (mb, 0);
1129 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1130 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1131 mono_mb_emit_byte (mb, CEE_LDIND_I);
1132 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1133 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1134 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1135 mono_mb_emit_byte (mb, CEE_ADD);
1136 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1137 mono_mb_emit_byte (mb, CEE_PREFIX1);
1138 mono_mb_emit_byte (mb, CEE_CPBLK);
1139 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1142 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1143 int src_var, dst_var;
1145 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1146 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1148 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1149 mono_mb_emit_byte (mb, CEE_LDIND_I);
1150 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1152 mono_mb_emit_byte (mb, 0);
1154 /* save the old src pointer */
1155 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1156 mono_mb_emit_stloc (mb, src_var);
1157 /* save the old dst pointer */
1158 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1159 mono_mb_emit_stloc (mb, dst_var);
1161 /* src = pointer to object data */
1162 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1163 mono_mb_emit_byte (mb, CEE_LDIND_I);
1164 mono_mb_emit_icon (mb, sizeof (MonoObject));
1165 mono_mb_emit_byte (mb, CEE_ADD);
1166 mono_mb_emit_byte (mb, CEE_STLOC_0);
1168 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1170 /* restore the old src pointer */
1171 mono_mb_emit_ldloc (mb, src_var);
1172 mono_mb_emit_byte (mb, CEE_STLOC_0);
1173 /* restore the old dst pointer */
1174 mono_mb_emit_ldloc (mb, dst_var);
1175 mono_mb_emit_byte (mb, CEE_STLOC_1);
1177 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1181 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1182 MonoException *exc = mono_get_exception_not_implemented (msg);
1185 mono_raise_exception (exc);
1191 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1193 MonoMarshalType *info;
1197 emit_struct_conv(mb, klass->parent, to_object);
1199 info = mono_marshal_load_type_info (klass);
1201 if (info->native_size == 0)
1204 if (klass->blittable) {
1205 int msize = mono_class_value_size (klass, NULL);
1206 g_assert (msize == info->native_size);
1207 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1208 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1209 mono_mb_emit_icon (mb, msize);
1210 mono_mb_emit_byte (mb, CEE_PREFIX1);
1211 mono_mb_emit_byte (mb, CEE_CPBLK);
1213 mono_mb_emit_add_to_local (mb, 0, msize);
1214 mono_mb_emit_add_to_local (mb, 1, msize);
1218 for (i = 0; i < info->num_fields; i++) {
1219 MonoMarshalNative ntype;
1220 MonoMarshalConv conv;
1221 MonoType *ftype = info->fields [i].field->type;
1224 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1226 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1229 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1232 msize = klass->instance_size - info->fields [i].field->offset;
1233 usize = info->native_size - info->fields [i].offset;
1235 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1236 usize = info->fields [i + 1].offset - info->fields [i].offset;
1238 if ((msize < 0) || (usize < 0))
1239 /* This happens with GC aware auto layout */
1240 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1242 g_assert ((msize >= 0) && (usize >= 0));
1245 case MONO_MARSHAL_CONV_NONE: {
1248 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1249 ftype->type == MONO_TYPE_U) {
1250 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1251 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1252 mono_mb_emit_byte (mb, CEE_LDIND_I);
1253 mono_mb_emit_byte (mb, CEE_STIND_I);
1262 #if SIZEOF_VOID_P == 4
1265 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1266 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1267 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1268 mono_mb_emit_byte (mb, CEE_STIND_I4);
1272 case MONO_TYPE_BOOLEAN:
1273 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1274 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1275 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1276 mono_mb_emit_byte (mb, CEE_STIND_I1);
1280 case MONO_TYPE_CHAR:
1281 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1282 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1283 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1284 mono_mb_emit_byte (mb, CEE_STIND_I2);
1288 #if SIZEOF_VOID_P == 8
1291 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1292 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1293 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1294 mono_mb_emit_byte (mb, CEE_STIND_I8);
1297 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1298 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1299 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1300 mono_mb_emit_byte (mb, CEE_STIND_R4);
1303 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1304 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1305 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1306 mono_mb_emit_byte (mb, CEE_STIND_R8);
1308 case MONO_TYPE_VALUETYPE:
1309 if (ftype->data.klass->enumtype) {
1310 t = ftype->data.klass->enum_basetype->type;
1313 emit_struct_conv (mb, ftype->data.klass, to_object);
1316 g_warning ("marshaling type %02x not implemented", ftype->type);
1317 g_assert_not_reached ();
1323 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1325 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1329 mono_mb_emit_add_to_local (mb, 0, usize);
1330 mono_mb_emit_add_to_local (mb, 1, msize);
1332 mono_mb_emit_add_to_local (mb, 0, msize);
1333 mono_mb_emit_add_to_local (mb, 1, usize);
1339 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1341 /* Call DestroyStructure */
1342 /* FIXME: Only do this if needed */
1343 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1344 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1345 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1346 mono_mb_emit_ldloc (mb, struct_var);
1347 mono_mb_emit_icall (mb, mono_struct_delete_old);
1351 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1355 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1356 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1357 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1358 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1359 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1361 mono_mb_emit_icall (mb, checkpoint_func);
1363 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1367 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1369 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1372 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1376 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1378 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1381 static MonoAsyncResult *
1382 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1384 MonoMethodMessage *msg;
1385 MonoDelegate *async_callback;
1389 MonoMethod *method = NULL;
1392 g_assert (delegate);
1394 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1396 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1397 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1399 /* If the target is a proxy, make a direct call. Is proxy's work
1400 // to make the call asynchronous.
1402 MonoAsyncResult *ares;
1404 MonoArray *out_args;
1406 method = delegate->method_info->method;
1408 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1409 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1410 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1411 ares->async_delegate = (MonoObject *)delegate;
1412 ares->async_callback = (MonoObject *)async_callback;
1413 msg->async_result = ares;
1414 msg->call_type = CallType_BeginInvoke;
1416 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1421 klass = delegate->object.vtable->klass;
1423 method = mono_get_delegate_invoke (klass);
1424 for (i = 0; i < klass->method.count; ++i) {
1425 if (klass->methods [i]->name[0] == 'B' &&
1426 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1427 method = klass->methods [i];
1432 g_assert (method != NULL);
1434 im = mono_get_delegate_invoke (method->klass);
1435 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1437 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1441 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1443 int i, params_var, tmp_var;
1445 /* allocate local (pointer) *params[] */
1446 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1447 /* allocate local (pointer) tmp */
1448 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1450 /* alloate space on stack to store an array of pointers to the arguments */
1451 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1452 mono_mb_emit_byte (mb, CEE_PREFIX1);
1453 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1454 mono_mb_emit_stloc (mb, params_var);
1457 mono_mb_emit_ldloc (mb, params_var);
1458 mono_mb_emit_stloc (mb, tmp_var);
1460 if (save_this && sig->hasthis) {
1461 mono_mb_emit_ldloc (mb, tmp_var);
1462 mono_mb_emit_ldarg_addr (mb, 0);
1463 mono_mb_emit_byte (mb, CEE_STIND_I);
1464 /* tmp = tmp + sizeof (gpointer) */
1465 if (sig->param_count)
1466 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1470 for (i = 0; i < sig->param_count; i++) {
1471 mono_mb_emit_ldloc (mb, tmp_var);
1472 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1473 mono_mb_emit_byte (mb, CEE_STIND_I);
1474 /* tmp = tmp + sizeof (gpointer) */
1475 if (i < (sig->param_count - 1))
1476 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1483 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1487 GString *res = g_string_new ("");
1490 g_string_append (res, prefix);
1491 g_string_append_c (res, '_');
1494 mono_type_get_desc (res, sig->ret, FALSE);
1496 for (i = 0; i < sig->param_count; ++i) {
1497 g_string_append_c (res, '_');
1498 mono_type_get_desc (res, sig->params [i], FALSE);
1501 g_string_free (res, FALSE);
1506 * mono_marshal_get_string_encoding:
1508 * Return the string encoding which should be used for a given parameter.
1510 static MonoMarshalNative
1511 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1513 /* First try the parameter marshal info */
1515 if (spec->native == MONO_NATIVE_LPARRAY) {
1516 if (spec->data.array_data.elem_type != 0)
1517 return spec->data.array_data.elem_type;
1520 return spec->native;
1524 return MONO_NATIVE_LPSTR;
1526 /* Then try the method level marshal info */
1527 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1528 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1529 return MONO_NATIVE_LPSTR;
1530 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1531 return MONO_NATIVE_LPWSTR;
1532 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1533 return MONO_NATIVE_LPTSTR;
1535 return MONO_NATIVE_LPSTR;
1539 static MonoMarshalConv
1540 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1542 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1545 case MONO_NATIVE_LPWSTR:
1546 return MONO_MARSHAL_CONV_STR_LPWSTR;
1547 case MONO_NATIVE_LPSTR:
1548 return MONO_MARSHAL_CONV_STR_LPSTR;
1549 case MONO_NATIVE_LPTSTR:
1550 return MONO_MARSHAL_CONV_STR_LPTSTR;
1556 static MonoMarshalConv
1557 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1559 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1562 case MONO_NATIVE_LPWSTR:
1563 return MONO_MARSHAL_CONV_SB_LPWSTR;
1565 case MONO_NATIVE_LPSTR:
1566 return MONO_MARSHAL_CONV_SB_LPSTR;
1568 case MONO_NATIVE_LPTSTR:
1569 return MONO_MARSHAL_CONV_SB_LPTSTR;
1576 static MonoMarshalConv
1577 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1579 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1584 case MONO_NATIVE_LPWSTR:
1586 * mono_string_builder_to_utf16 does not allocate a
1587 * new buffer, so no need to free it.
1590 return MONO_MARSHAL_CONV_LPWSTR_SB;
1591 case MONO_NATIVE_LPSTR:
1592 return MONO_MARSHAL_CONV_LPSTR_SB;
1594 case MONO_NATIVE_LPTSTR:
1595 return MONO_MARSHAL_CONV_LPTSTR_SB;
1603 * Return whenever a field of a native structure or an array member needs to
1607 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1609 MonoMarshalNative encoding;
1610 MonoMarshalConv conv;
1613 case MONO_TYPE_VALUETYPE:
1614 /* FIXME: Optimize this */
1616 case MONO_TYPE_OBJECT:
1617 case MONO_TYPE_CLASS:
1618 if (t->data.klass == mono_defaults.stringbuilder_class) {
1620 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1624 case MONO_TYPE_STRING:
1625 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1626 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1632 static inline MonoMethod*
1633 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1637 EnterCriticalSection (&marshal_mutex);
1638 res = g_hash_table_lookup (cache, key);
1639 LeaveCriticalSection (&marshal_mutex);
1643 /* Create the method from the builder and place it in the cache */
1644 static inline MonoMethod*
1645 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1646 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1651 EnterCriticalSection (&marshal_mutex);
1652 res = g_hash_table_lookup (cache, key);
1654 /* This does not acquire any locks */
1655 res = mono_mb_create_method (mb, sig, max_stack);
1656 g_hash_table_insert (cache, key, res);
1657 g_hash_table_insert (wrapper_hash, res, key);
1659 LeaveCriticalSection (&marshal_mutex);
1665 static inline MonoMethod*
1666 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1668 MonoMethod *res = NULL;
1669 MonoRemotingMethods *wrps;
1671 EnterCriticalSection (&marshal_mutex);
1672 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1675 switch (wrapper_type) {
1676 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1677 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1678 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1679 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1683 LeaveCriticalSection (&marshal_mutex);
1687 /* Create the method from the builder and place it in the cache */
1688 static inline MonoMethod*
1689 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1690 MonoMethodSignature *sig, int max_stack)
1692 MonoMethod **res = NULL;
1693 MonoRemotingMethods *wrps;
1694 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1696 EnterCriticalSection (&marshal_mutex);
1697 wrps = g_hash_table_lookup (cache, key);
1699 wrps = g_new0 (MonoRemotingMethods, 1);
1700 g_hash_table_insert (cache, key, wrps);
1703 switch (mb->method->wrapper_type) {
1704 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1705 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1706 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1707 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1708 default: g_assert_not_reached (); break;
1712 /* This does not acquire any locks */
1713 *res = mono_mb_create_method (mb, sig, max_stack);
1714 g_hash_table_insert (wrapper_hash, *res, key);
1717 LeaveCriticalSection (&marshal_mutex);
1723 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1727 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1730 EnterCriticalSection (&marshal_mutex);
1731 res = g_hash_table_lookup (wrapper_hash, wrapper);
1732 LeaveCriticalSection (&marshal_mutex);
1737 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1739 MonoMethodSignature *sig;
1740 static MonoMethodSignature *csig = NULL;
1741 MonoMethodBuilder *mb;
1747 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1748 !strcmp (method->name, "BeginInvoke"));
1750 sig = signature_no_pinvoke (method->signature);
1752 cache = method->klass->image->delegate_begin_invoke_cache;
1753 if ((res = mono_marshal_find_in_cache (cache, sig)))
1756 g_assert (sig->hasthis);
1759 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1761 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1762 csig->ret = &mono_defaults.object_class->byval_arg;
1763 csig->params [0] = &mono_defaults.object_class->byval_arg;
1764 csig->params [1] = &mono_defaults.int_class->byval_arg;
1767 name = mono_signature_to_name (sig, "begin_invoke");
1768 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1771 mb->method->save_lmf = 1;
1773 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1775 mono_mb_emit_ldarg (mb, 0);
1776 mono_mb_emit_ldloc (mb, params_var);
1777 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1778 emit_thread_interrupt_checkpoint (mb);
1779 mono_mb_emit_byte (mb, CEE_RET);
1781 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1787 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1789 MonoDomain *domain = mono_domain_get ();
1790 MonoAsyncResult *ares;
1791 MonoMethod *method = NULL;
1792 MonoMethodSignature *sig;
1793 MonoMethodMessage *msg;
1794 MonoObject *res, *exc;
1795 MonoArray *out_args;
1799 g_assert (delegate);
1801 if (!delegate->method_info || !delegate->method_info->method)
1802 g_assert_not_reached ();
1804 klass = delegate->object.vtable->klass;
1806 for (i = 0; i < klass->method.count; ++i) {
1807 if (klass->methods [i]->name[0] == 'E' &&
1808 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1809 method = klass->methods [i];
1814 g_assert (method != NULL);
1816 sig = signature_no_pinvoke (method->signature);
1818 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1820 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1823 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1824 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1825 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1826 mono_message_init (domain, msg, delegate->method_info, NULL);
1827 msg->call_type = CallType_EndInvoke;
1828 msg->async_result = ares;
1829 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1832 res = mono_thread_pool_finish (ares, &out_args, &exc);
1835 if (((MonoException*)exc)->stack_trace) {
1836 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1838 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1840 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1843 mono_raise_exception ((MonoException*)exc);
1846 mono_method_return_message_restore (method, params, out_args);
1851 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1853 if (return_type->byref)
1854 return_type = &mono_defaults.int_class->byval_arg;
1855 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1856 return_type = return_type->data.klass->enum_basetype;
1858 switch (return_type->type) {
1859 case MONO_TYPE_VOID:
1860 g_assert_not_reached ();
1863 case MONO_TYPE_STRING:
1864 case MONO_TYPE_CLASS:
1865 case MONO_TYPE_OBJECT:
1866 case MONO_TYPE_ARRAY:
1867 case MONO_TYPE_SZARRAY:
1871 case MONO_TYPE_BOOLEAN:
1872 mono_mb_emit_byte (mb, CEE_UNBOX);
1873 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1874 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1877 mono_mb_emit_byte (mb, CEE_UNBOX);
1878 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1879 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1882 case MONO_TYPE_CHAR:
1883 mono_mb_emit_byte (mb, CEE_UNBOX);
1884 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1885 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1888 mono_mb_emit_byte (mb, CEE_UNBOX);
1889 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1890 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1894 mono_mb_emit_byte (mb, CEE_UNBOX);
1895 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1896 mono_mb_emit_byte (mb, CEE_LDIND_I);
1899 mono_mb_emit_byte (mb, CEE_UNBOX);
1900 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1901 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1904 mono_mb_emit_byte (mb, CEE_UNBOX);
1905 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1906 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1910 mono_mb_emit_byte (mb, CEE_UNBOX);
1911 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1912 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1915 mono_mb_emit_byte (mb, CEE_UNBOX);
1916 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1917 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1920 mono_mb_emit_byte (mb, CEE_UNBOX);
1921 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1922 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1924 case MONO_TYPE_VALUETYPE: {
1926 mono_mb_emit_byte (mb, CEE_UNBOX);
1927 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1928 mono_mb_emit_i4 (mb, class);
1929 mono_mb_emit_byte (mb, CEE_LDOBJ);
1930 mono_mb_emit_i4 (mb, class);
1934 g_warning ("type 0x%x not handled", return_type->type);
1935 g_assert_not_reached ();
1938 mono_mb_emit_byte (mb, CEE_RET);
1942 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1944 MonoMethodSignature *sig;
1945 static MonoMethodSignature *csig = NULL;
1946 MonoMethodBuilder *mb;
1952 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1953 !strcmp (method->name, "EndInvoke"));
1955 sig = signature_no_pinvoke (method->signature);
1957 cache = method->klass->image->delegate_end_invoke_cache;
1958 if ((res = mono_marshal_find_in_cache (cache, sig)))
1961 g_assert (sig->hasthis);
1964 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1966 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1967 csig->ret = &mono_defaults.object_class->byval_arg;
1968 csig->params [0] = &mono_defaults.object_class->byval_arg;
1969 csig->params [1] = &mono_defaults.int_class->byval_arg;
1972 name = mono_signature_to_name (sig, "end_invoke");
1973 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1976 mb->method->save_lmf = 1;
1978 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1980 mono_mb_emit_ldarg (mb, 0);
1981 mono_mb_emit_ldloc (mb, params_var);
1982 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1983 emit_thread_interrupt_checkpoint (mb);
1985 if (sig->ret->type == MONO_TYPE_VOID) {
1986 mono_mb_emit_byte (mb, CEE_POP);
1987 mono_mb_emit_byte (mb, CEE_RET);
1989 mono_mb_emit_restore_result (mb, sig->ret);
1991 res = mono_mb_create_and_cache (cache, sig,
1992 mb, sig, sig->param_count + 16);
1999 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2001 MonoMethodMessage *msg;
2002 MonoTransparentProxy *this;
2003 MonoObject *res, *exc;
2004 MonoArray *out_args;
2006 this = *((MonoTransparentProxy **)params [0]);
2009 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2011 /* skip the this pointer */
2014 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2017 MonoMethodSignature *sig = method->signature;
2018 int count = sig->param_count;
2019 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2021 for (i=0; i<count; i++) {
2022 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2023 if (class->valuetype) {
2024 if (sig->params [i]->byref)
2025 mparams[i] = *((gpointer *)params [i]);
2027 mparams[i] = params [i];
2029 mparams[i] = *((gpointer**)params [i]);
2033 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2036 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2038 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2041 mono_raise_exception ((MonoException *)exc);
2043 mono_method_return_message_restore (method, params, out_args);
2049 mono_marshal_get_remoting_invoke (MonoMethod *method)
2051 MonoMethodSignature *sig;
2052 static MonoMethodSignature *csig = NULL;
2053 MonoMethodBuilder *mb;
2059 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2062 sig = signature_no_pinvoke (method->signature);
2064 /* we cant remote methods without this pointer */
2068 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2072 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2073 csig->params [0] = &mono_defaults.int_class->byval_arg;
2074 csig->params [1] = &mono_defaults.int_class->byval_arg;
2075 csig->ret = &mono_defaults.object_class->byval_arg;
2079 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2080 mb->method->save_lmf = 1;
2082 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2084 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2085 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2086 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2087 mono_mb_emit_ldloc (mb, params_var);
2088 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2089 emit_thread_interrupt_checkpoint (mb);
2091 if (sig->ret->type == MONO_TYPE_VOID) {
2092 mono_mb_emit_byte (mb, CEE_POP);
2093 mono_mb_emit_byte (mb, CEE_RET);
2095 mono_mb_emit_restore_result (mb, sig->ret);
2098 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2104 /* mono_get_xdomain_marshal_type()
2105 * Returns the kind of marshalling that a type needs for cross domain calls.
2107 static MonoXDomainMarshalType
2108 mono_get_xdomain_marshal_type (MonoType *t)
2111 case MONO_TYPE_VOID:
2112 g_assert_not_reached ();
2116 case MONO_TYPE_BOOLEAN:
2119 case MONO_TYPE_CHAR:
2126 return MONO_MARSHAL_NONE;
2127 case MONO_TYPE_STRING:
2128 return MONO_MARSHAL_COPY;
2129 case MONO_TYPE_ARRAY:
2130 case MONO_TYPE_SZARRAY: {
2131 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2132 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2133 return MONO_MARSHAL_COPY;
2138 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2139 return MONO_MARSHAL_COPY;
2141 return MONO_MARSHAL_SERIALIZE;
2145 /* mono_marshal_xdomain_copy_value
2146 * Makes a copy of "val" suitable for the current domain.
2149 mono_marshal_xdomain_copy_value (MonoObject *val)
2152 if (val == NULL) return NULL;
2154 domain = mono_domain_get ();
2156 switch (mono_object_class (val)->byval_arg.type) {
2157 case MONO_TYPE_VOID:
2158 g_assert_not_reached ();
2162 case MONO_TYPE_BOOLEAN:
2165 case MONO_TYPE_CHAR:
2171 case MONO_TYPE_R8: {
2172 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2174 case MONO_TYPE_STRING: {
2175 MonoString *str = (MonoString *) val;
2176 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2178 case MONO_TYPE_ARRAY:
2179 case MONO_TYPE_SZARRAY: {
2181 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2182 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2183 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2184 if (mt == MONO_MARSHAL_COPY) {
2185 int i, len = mono_array_length (acopy);
2186 for (i = 0; i < len; i++) {
2187 MonoObject *item = mono_array_get (acopy, gpointer, i);
2188 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2191 return (MonoObject *) acopy;
2195 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2196 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2197 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2198 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2199 newsb->length = oldsb->length;
2200 return (MonoObject *) newsb;
2205 /* mono_marshal_xdomain_copy_out_value()
2206 * Copies the contents of the src instance into the dst instance. src and dst
2207 * must have the same type, and if they are arrays, the same size.
2210 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2212 if (src == NULL || dst == NULL) return;
2214 g_assert (mono_object_class (src) == mono_object_class (dst));
2216 switch (mono_object_class (src)->byval_arg.type) {
2217 case MONO_TYPE_ARRAY:
2218 case MONO_TYPE_SZARRAY: {
2219 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2220 if (mt == MONO_MARSHAL_SERIALIZE) return;
2221 if (mt == MONO_MARSHAL_COPY) {
2222 int i, len = mono_array_length ((MonoArray *)dst);
2223 for (i = 0; i < len; i++) {
2224 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2225 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2228 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2234 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2235 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2236 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2238 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2239 dst_sb->length = src_sb->length;
2244 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2246 static MonoMethodSignature *csig = NULL;
2248 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2249 csig->params [0] = &mono_defaults.object_class->byval_arg;
2250 csig->ret = &mono_defaults.object_class->byval_arg;
2254 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2255 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2256 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2260 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2262 static MonoMethodSignature *csig = NULL;
2264 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2265 csig->params [0] = &mono_defaults.object_class->byval_arg;
2266 csig->params [1] = &mono_defaults.object_class->byval_arg;
2267 csig->ret = &mono_defaults.void_class->byval_arg;
2271 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2274 /* mono_marshal_supports_fast_xdomain()
2275 * Returns TRUE if the method can use the fast xdomain wrapper.
2278 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2280 return !method->klass->contextbound &&
2281 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2285 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2287 MonoDomain *current_domain = mono_domain_get ();
2288 MonoDomain *domain = mono_domain_get_by_id (id);
2290 if (!domain || !mono_domain_set (domain, FALSE))
2291 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2294 mono_thread_push_appdomain_ref (domain);
2296 mono_thread_pop_appdomain_ref ();
2298 return current_domain->domain_id;
2302 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2304 static MonoMethodSignature *csig = NULL;
2306 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2307 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2308 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2309 csig->ret = &mono_defaults.int32_class->byval_arg;
2313 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2316 /* mono_marshal_emit_load_domain_method ()
2317 * Loads into the stack a pointer to the code of the provided method for
2318 * the current domain.
2321 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2323 static MonoMethodSignature *csig = NULL;
2325 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2326 csig->params [0] = &mono_defaults.int_class->byval_arg;
2327 csig->ret = &mono_defaults.int_class->byval_arg;
2331 /* We need a pointer to the method for the running domain (not the domain
2332 * that compiles the method).
2334 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2335 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2336 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2337 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2340 /* mono_marshal_get_xappdomain_dispatch ()
2341 * Generates a method that dispatches a method call from another domain into
2342 * the current domain.
2345 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2347 MonoMethodSignature *sig, *csig;
2348 MonoMethodBuilder *mb;
2350 int i, j, param_index, copy_locals_base;
2351 MonoClass *ret_class = NULL;
2352 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2353 MonoExceptionClause *main_clause;
2354 MonoMethodHeader *header;
2356 gboolean copy_return;
2358 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2361 sig = method->signature;
2362 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2365 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2366 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2367 csig->params [j++] = &byte_array_class->this_arg;
2368 csig->params [j++] = &byte_array_class->this_arg;
2369 for (i = 0; i < sig->param_count; i++) {
2370 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2371 csig->params [j++] = sig->params [i];
2374 csig->ret = sig->ret;
2376 csig->ret = &mono_defaults.void_class->byval_arg;
2378 csig->hasthis = FALSE;
2380 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2381 mb->method->save_lmf = 1;
2385 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2386 if (complex_count > 0)
2387 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2388 if (sig->ret->type != MONO_TYPE_VOID) {
2389 loc_return = mono_mb_add_local (mb, sig->ret);
2390 ret_class = mono_class_from_mono_type (sig->ret);
2395 main_clause = g_new0 (MonoExceptionClause, 1);
2396 main_clause->try_offset = mb->pos;
2398 /* Clean the call context */
2400 mono_mb_emit_byte (mb, CEE_LDNULL);
2401 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2402 mono_mb_emit_byte (mb, CEE_POP);
2404 /* Deserialize call data */
2406 mono_mb_emit_ldarg (mb, 1);
2407 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2408 mono_mb_emit_byte (mb, CEE_DUP);
2409 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2411 mono_mb_emit_byte (mb, 0);
2413 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2414 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2416 if (complex_count > 0)
2417 mono_mb_emit_stloc (mb, loc_array);
2419 mono_mb_emit_byte (mb, CEE_POP);
2421 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2423 /* Get the target object */
2425 mono_mb_emit_ldarg (mb, 0);
2426 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2428 /* Load the arguments */
2430 copy_locals_base = mb->locals;
2431 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2433 for (i = 0; i < sig->param_count; i++) {
2434 MonoType *pt = sig->params [i];
2435 MonoClass *pclass = mono_class_from_mono_type (pt);
2436 switch (marshal_types [i]) {
2437 case MONO_MARSHAL_SERIALIZE: {
2438 /* take the value from the serialized array */
2439 mono_mb_emit_ldloc (mb, loc_array);
2440 mono_mb_emit_icon (mb, j++);
2442 if (pclass->valuetype) {
2443 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2444 mono_mb_emit_byte (mb, CEE_UNBOX);
2445 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2447 mono_mb_emit_byte (mb, CEE_LDELEMA);
2448 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2451 if (pclass->valuetype) {
2452 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2453 mono_mb_emit_byte (mb, CEE_UNBOX);
2454 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2455 mono_mb_emit_byte (mb, CEE_LDOBJ);
2456 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2458 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2459 if (pclass != mono_defaults.object_class) {
2460 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2461 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2467 case MONO_MARSHAL_COPY_OUT: {
2468 /* Keep a local copy of the value since we need to copy it back after the call */
2469 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2470 mono_mb_emit_ldarg (mb, param_index++);
2471 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2472 mono_mb_emit_byte (mb, CEE_DUP);
2473 mono_mb_emit_stloc (mb, copy_local);
2476 case MONO_MARSHAL_COPY: {
2477 mono_mb_emit_ldarg (mb, param_index);
2479 mono_mb_emit_byte (mb, CEE_DUP);
2480 mono_mb_emit_byte (mb, CEE_DUP);
2481 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2482 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2483 mono_mb_emit_byte (mb, CEE_STIND_REF);
2485 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2490 case MONO_MARSHAL_NONE:
2491 mono_mb_emit_ldarg (mb, param_index++);
2496 /* Make the call to the real object */
2498 emit_thread_force_interrupt_checkpoint (mb);
2499 mono_mb_emit_managed_call (mb, method, NULL);
2501 if (sig->ret->type != MONO_TYPE_VOID)
2502 mono_mb_emit_stloc (mb, loc_return);
2504 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2508 for (i = 0; i < sig->param_count; i++) {
2509 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2510 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2511 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2512 mono_mb_emit_ldarg (mb, param_index);
2513 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2518 /* Serialize the return values */
2520 if (complex_out_count > 0) {
2521 /* Reset parameters in the array that don't need to be serialized back */
2523 for (i = 0; i < sig->param_count; i++) {
2524 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2525 if (!sig->params [i]->byref) {
2526 mono_mb_emit_ldloc (mb, loc_array);
2527 mono_mb_emit_icon (mb, j);
2528 mono_mb_emit_byte (mb, CEE_LDNULL);
2529 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2534 /* Add the return value to the array */
2536 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2537 mono_mb_emit_ldloc (mb, loc_array);
2538 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2539 mono_mb_emit_ldloc (mb, loc_return);
2540 if (ret_class->valuetype) {
2541 mono_mb_emit_byte (mb, CEE_BOX);
2542 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2544 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2549 mono_mb_emit_ldarg (mb, 1);
2550 mono_mb_emit_ldloc (mb, loc_array);
2551 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2552 mono_mb_emit_byte (mb, CEE_STIND_REF);
2553 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2554 mono_mb_emit_ldarg (mb, 1);
2555 mono_mb_emit_ldloc (mb, loc_return);
2556 if (ret_class->valuetype) {
2557 mono_mb_emit_byte (mb, CEE_BOX);
2558 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2560 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2561 mono_mb_emit_byte (mb, CEE_STIND_REF);
2563 mono_mb_emit_ldarg (mb, 1);
2564 mono_mb_emit_byte (mb, CEE_LDNULL);
2565 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2566 mono_mb_emit_byte (mb, CEE_STIND_REF);
2569 mono_mb_emit_ldarg (mb, 2);
2570 mono_mb_emit_byte (mb, CEE_LDNULL);
2571 mono_mb_emit_byte (mb, CEE_STIND_REF);
2572 mono_mb_emit_byte (mb, CEE_LEAVE);
2573 pos_leave = mb->pos;
2574 mono_mb_emit_i4 (mb, 0);
2576 /* Main exception catch */
2577 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2578 main_clause->try_len = mb->pos - main_clause->try_offset;
2579 main_clause->data.catch_class = mono_defaults.object_class;
2582 main_clause->handler_offset = mb->pos;
2583 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2584 mono_mb_emit_stloc (mb, loc_serialized_exc);
2585 mono_mb_emit_ldarg (mb, 2);
2586 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2587 mono_mb_emit_byte (mb, CEE_STIND_REF);
2588 mono_mb_emit_byte (mb, CEE_LEAVE);
2589 mono_mb_emit_i4 (mb, 0);
2590 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2593 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2596 mono_mb_emit_ldloc (mb, loc_return);
2598 mono_mb_emit_byte (mb, CEE_RET);
2600 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2603 header = ((MonoMethodNormal *)res)->header;
2604 header->num_clauses = 1;
2605 header->clauses = main_clause;
2610 /* mono_marshal_get_xappdomain_invoke ()
2611 * Generates a fast remoting wrapper for cross app domain calls.
2614 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2616 MonoMethodSignature *sig;
2617 static MonoMethodSignature *sig_context_get;
2618 static MonoMethodSignature *sig_context_set;
2619 MonoMethodBuilder *mb;
2621 int i, j, complex_count, complex_out_count, copy_locals_base;
2623 MonoClass *ret_class = NULL;
2624 MonoMethod *xdomain_method;
2625 int ret_marshal_type = MONO_MARSHAL_NONE;
2626 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2627 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context, loc_datastore;
2629 gboolean copy_return = FALSE;
2633 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2636 /* we cant remote methods without this pointer */
2637 if (!method->signature->hasthis)
2640 if (!mono_marshal_supports_fast_xdomain (method))
2641 return mono_marshal_get_remoting_invoke (method);
2643 mono_remoting_marshal_init ();
2645 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2648 sig = signature_no_pinvoke (method->signature);
2650 if (sig_context_set == NULL) {
2651 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2652 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2653 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2654 sig_context_set->pinvoke = 1;
2656 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2657 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2658 sig_context_get->pinvoke = 1;
2661 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2662 mb->method->save_lmf = 1;
2664 /* Count the number of parameters that need to be serialized */
2666 marshal_types = alloca (sizeof (int) * sig->param_count);
2667 complex_count = complex_out_count = 0;
2668 for (i = 0; i < sig->param_count; i++) {
2669 MonoType *ptype = sig->params[i];
2670 int mt = mono_get_xdomain_marshal_type (ptype);
2672 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2673 * the copy will be made by reusing the original object instance
2675 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2676 mt = MONO_MARSHAL_COPY_OUT;
2677 else if (mt == MONO_MARSHAL_SERIALIZE) {
2679 if (ptype->byref) complex_out_count++;
2681 marshal_types [i] = mt;
2684 if (sig->ret->type != MONO_TYPE_VOID) {
2685 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2686 ret_class = mono_class_from_mono_type (sig->ret);
2687 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2692 if (complex_count > 0)
2693 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2694 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2695 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2697 loc_return = mono_mb_add_local (mb, sig->ret);
2698 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2699 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2700 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2701 loc_datastore = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2703 /* Save thread domain data */
2705 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2706 mono_mb_emit_byte (mb, CEE_DUP);
2707 mono_mb_emit_stloc (mb, loc_context);
2709 /* If the thread is not running in the default context, it needs to go
2710 * through the whole remoting sink, since the context is going to change
2712 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2713 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2715 mono_mb_emit_byte (mb, 0);
2717 mono_mb_emit_ldarg (mb, 0);
2718 for (i = 0; i < sig->param_count; i++)
2719 mono_mb_emit_ldarg (mb, i + 1);
2721 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2722 mono_mb_emit_byte (mb, CEE_RET);
2723 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2725 mono_mb_emit_managed_call (mb, method_reset_datastore, NULL);
2726 mono_mb_emit_stloc (mb, loc_datastore);
2728 /* Create the array that will hold the parameters to be serialized */
2730 if (complex_count > 0) {
2731 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 */
2732 mono_mb_emit_byte (mb, CEE_NEWARR);
2733 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2736 for (i = 0; i < sig->param_count; i++) {
2737 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2738 MonoClass *pclass = mono_class_from_mono_type (sig->params[i]);
2739 mono_mb_emit_byte (mb, CEE_DUP);
2740 mono_mb_emit_icon (mb, j);
2741 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2742 if (sig->params[i]->byref) {
2743 if (pclass->valuetype) {
2744 mono_mb_emit_byte (mb, CEE_LDOBJ);
2745 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2747 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2750 if (pclass->valuetype) {
2751 mono_mb_emit_byte (mb, CEE_BOX);
2752 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2754 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2757 mono_mb_emit_stloc (mb, loc_array);
2759 /* Serialize parameters */
2761 mono_mb_emit_ldloc (mb, loc_array);
2762 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2763 mono_mb_emit_stloc (mb, loc_serialized_data);
2765 mono_mb_emit_byte (mb, CEE_LDNULL);
2766 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2767 mono_mb_emit_stloc (mb, loc_serialized_data);
2770 /* Get the target domain id */
2772 mono_mb_emit_ldarg (mb, 0);
2773 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2774 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2775 mono_mb_emit_byte (mb, CEE_DUP);
2776 mono_mb_emit_stloc (mb, loc_real_proxy);
2778 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2779 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2780 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2784 mono_marshal_emit_switch_domain (mb);
2785 mono_mb_emit_stloc (mb, loc_old_domainid);
2787 /* Load the arguments */
2789 mono_mb_emit_ldloc (mb, loc_real_proxy);
2790 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2791 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2793 copy_locals_base = mb->locals;
2794 for (i = 0; i < sig->param_count; i++) {
2795 switch (marshal_types [i]) {
2796 case MONO_MARSHAL_SERIALIZE:
2798 case MONO_MARSHAL_COPY: {
2799 mono_mb_emit_ldarg (mb, i+1);
2800 if (sig->params [i]->byref) {
2801 /* make a local copy of the byref parameter. The real parameter
2802 * will be updated after the xdomain call
2804 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2805 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2806 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2807 mono_mb_emit_stloc (mb, copy_local);
2808 mono_mb_emit_ldloc_addr (mb, copy_local);
2812 case MONO_MARSHAL_COPY_OUT:
2813 case MONO_MARSHAL_NONE:
2814 mono_mb_emit_ldarg (mb, i+1);
2819 /* Make the call to the invoke wrapper in the target domain */
2821 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2822 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2823 mono_mb_emit_calli (mb, xdomain_method->signature);
2826 mono_mb_emit_stloc (mb, loc_return);
2830 mono_mb_emit_ldloc (mb, loc_old_domainid);
2831 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2832 mono_marshal_emit_switch_domain (mb);
2833 mono_mb_emit_byte (mb, CEE_POP);
2835 /* Restore thread domain data */
2837 mono_mb_emit_ldloc (mb, loc_context);
2838 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2839 mono_mb_emit_ldloc (mb, loc_datastore);
2840 mono_mb_emit_managed_call (mb, method_restore_datastore, NULL);
2842 /* if (loc_serialized_exc != null) ... */
2844 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2845 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2847 mono_mb_emit_byte (mb, 0);
2849 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2850 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2851 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2852 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2853 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2854 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2855 mono_mb_emit_byte (mb, CEE_THROW);
2856 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2858 /* copy back non-serialized output parameters */
2861 for (i = 0; i < sig->param_count; i++) {
2862 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2863 mono_mb_emit_ldarg (mb, i + 1);
2864 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2865 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2866 mono_mb_emit_byte (mb, CEE_STIND_REF);
2869 /* Deserialize out parameters */
2871 if (complex_out_count > 0) {
2872 mono_mb_emit_ldloc (mb, loc_serialized_data);
2873 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2874 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2875 mono_mb_emit_stloc (mb, loc_array);
2877 /* Copy back output parameters and return type */
2880 for (i = 0; i < sig->param_count; i++) {
2881 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2882 if (sig->params[i]->byref) {
2883 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2884 mono_mb_emit_ldarg (mb, i + 1);
2885 mono_mb_emit_ldloc (mb, loc_array);
2886 mono_mb_emit_icon (mb, j);
2887 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2888 if (pclass->valuetype) {
2889 mono_mb_emit_byte (mb, CEE_UNBOX);
2890 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2891 mono_mb_emit_byte (mb, CEE_LDOBJ);
2892 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2893 mono_mb_emit_byte (mb, CEE_STOBJ);
2894 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2896 if (pclass != mono_defaults.object_class) {
2897 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2898 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2900 mono_mb_emit_byte (mb, CEE_STIND_REF);
2906 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2907 mono_mb_emit_ldloc (mb, loc_array);
2908 mono_mb_emit_icon (mb, complex_count);
2909 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2910 if (ret_class->valuetype) {
2911 mono_mb_emit_byte (mb, CEE_UNBOX);
2912 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2913 mono_mb_emit_byte (mb, CEE_LDOBJ);
2914 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2917 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2918 mono_mb_emit_ldloc (mb, loc_serialized_data);
2919 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2920 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2921 if (ret_class->valuetype) {
2922 mono_mb_emit_byte (mb, CEE_UNBOX);
2923 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2924 mono_mb_emit_byte (mb, CEE_LDOBJ);
2925 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2926 } else if (ret_class != mono_defaults.object_class) {
2927 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2928 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2931 mono_mb_emit_ldloc (mb, loc_serialized_data);
2932 mono_mb_emit_byte (mb, CEE_DUP);
2933 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2935 mono_mb_emit_byte (mb, 0);
2936 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2938 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2939 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2940 mono_mb_emit_byte (mb, CEE_POP);
2944 mono_mb_emit_ldloc (mb, loc_return);
2945 if (ret_marshal_type == MONO_MARSHAL_COPY)
2946 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
2949 mono_mb_emit_byte (mb, CEE_RET);
2951 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2958 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
2960 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
2961 return mono_marshal_get_xappdomain_invoke (method);
2963 return mono_marshal_get_remoting_invoke (method);
2967 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
2969 if (rp->target_domain_id != -1)
2970 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
2972 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
2976 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
2978 MonoMethodSignature *sig;
2979 MonoMethodBuilder *mb;
2980 MonoMethod *res, *native;
2981 int i, pos, pos_rem;
2985 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
2988 sig = signature_no_pinvoke (method->signature);
2990 /* we cant remote methods without this pointer */
2991 g_assert (sig->hasthis);
2993 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
2996 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
2998 for (i = 0; i <= sig->param_count; i++)
2999 mono_mb_emit_ldarg (mb, i);
3001 mono_mb_emit_ldarg (mb, 0);
3002 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3004 if (mono_marshal_supports_fast_xdomain (method)) {
3005 mono_mb_emit_ldarg (mb, 0);
3006 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3008 /* wrapper for cross app domain calls */
3009 native = mono_marshal_get_xappdomain_invoke (method);
3010 mono_mb_emit_managed_call (mb, native, native->signature);
3011 mono_mb_emit_byte (mb, CEE_RET);
3013 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3015 /* wrapper for normal remote calls */
3016 native = mono_marshal_get_remoting_invoke (method);
3017 mono_mb_emit_managed_call (mb, native, native->signature);
3018 mono_mb_emit_byte (mb, CEE_RET);
3021 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3022 mono_mb_emit_managed_call (mb, method, method->signature);
3023 mono_mb_emit_byte (mb, CEE_RET);
3025 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3032 * the returned method invokes all methods in a multicast delegate
3035 mono_marshal_get_delegate_invoke (MonoMethod *method)
3037 MonoMethodSignature *sig, *static_sig;
3039 MonoMethodBuilder *mb;
3045 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3046 !strcmp (method->name, "Invoke"));
3048 sig = signature_no_pinvoke (method->signature);
3050 cache = method->klass->image->delegate_invoke_cache;
3051 if ((res = mono_marshal_find_in_cache (cache, sig)))
3054 static_sig = mono_metadata_signature_dup (sig);
3055 static_sig->hasthis = 0;
3057 name = mono_signature_to_name (sig, "invoke");
3058 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3061 /* allocate local 0 (object) */
3062 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3064 g_assert (sig->hasthis);
3068 * prev.Invoke( args .. );
3069 * return this.<target>( args .. );
3072 /* this wrapper can be used in unmanaged-managed transitions */
3073 emit_thread_interrupt_checkpoint (mb);
3075 /* get this->prev */
3076 mono_mb_emit_ldarg (mb, 0);
3077 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3078 mono_mb_emit_byte (mb, CEE_LDIND_I );
3079 mono_mb_emit_stloc (mb, 0);
3081 /* if prev != null */
3082 mono_mb_emit_ldloc (mb, 0);
3083 mono_mb_emit_byte (mb, CEE_BRFALSE);
3086 mono_mb_emit_i4 (mb, 0);
3089 mono_mb_emit_ldloc (mb, 0);
3090 for (i = 0; i < sig->param_count; i++)
3091 mono_mb_emit_ldarg (mb, i + 1);
3092 mono_mb_emit_managed_call (mb, method, method->signature);
3093 if (sig->ret->type != MONO_TYPE_VOID)
3094 mono_mb_emit_byte (mb, CEE_POP);
3096 /* continued or prev == null */
3097 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3099 /* get this->target */
3100 mono_mb_emit_ldarg (mb, 0);
3101 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3102 mono_mb_emit_byte (mb, CEE_LDIND_I );
3103 mono_mb_emit_stloc (mb, 0);
3105 /* if target != null */
3106 mono_mb_emit_ldloc (mb, 0);
3107 mono_mb_emit_byte (mb, CEE_BRFALSE);
3109 mono_mb_emit_i4 (mb, 0);
3111 /* then call this->method_ptr nonstatic */
3112 mono_mb_emit_ldloc (mb, 0);
3113 for (i = 0; i < sig->param_count; ++i)
3114 mono_mb_emit_ldarg (mb, i + 1);
3115 mono_mb_emit_ldarg (mb, 0);
3116 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3117 mono_mb_emit_byte (mb, CEE_LDIND_I );
3118 mono_mb_emit_byte (mb, CEE_CALLI);
3119 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3121 mono_mb_emit_byte (mb, CEE_BR);
3123 mono_mb_emit_i4 (mb, 0);
3125 /* else [target == null] call this->method_ptr static */
3126 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3128 for (i = 0; i < sig->param_count; ++i)
3129 mono_mb_emit_ldarg (mb, i + 1);
3130 mono_mb_emit_ldarg (mb, 0);
3131 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3132 mono_mb_emit_byte (mb, CEE_LDIND_I );
3133 mono_mb_emit_byte (mb, CEE_CALLI);
3134 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3137 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3138 mono_mb_emit_byte (mb, CEE_RET);
3140 res = mono_mb_create_and_cache (cache, sig,
3141 mb, sig, sig->param_count + 16);
3148 * signature_dup_add_this:
3150 * Make a copy of @sig, adding an explicit this argument.
3152 static MonoMethodSignature*
3153 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3155 MonoMethodSignature *res;
3158 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3159 memcpy (res, sig, sizeof (MonoMethodSignature));
3160 res->param_count = sig->param_count + 1;
3161 res->hasthis = FALSE;
3162 for (i = sig->param_count - 1; i >= 0; i --)
3163 res->params [i + 1] = sig->params [i];
3164 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3171 MonoMethodSignature *sig;
3177 * generates IL code for the runtime invoke function
3178 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3180 * we also catch exceptions if exc != null
3183 mono_marshal_get_runtime_invoke (MonoMethod *method)
3185 MonoMethodSignature *sig, *csig, *callsig;
3186 MonoExceptionClause *clause;
3187 MonoMethodHeader *header;
3188 MonoMethodBuilder *mb;
3189 GHashTable *cache = NULL;
3190 MonoClass *target_klass;
3191 MonoMethod *res = NULL;
3193 static MonoString *string_dummy = NULL;
3194 static MonoMethodSignature *dealy_abort_sig = NULL;
3200 target_klass = method->klass;
3202 EnterCriticalSection (&marshal_mutex);
3204 if (method->string_ctor) {
3205 static GSList *strsig_list = NULL;
3209 for (item = strsig_list; item; item = item->next) {
3211 if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
3217 callsig = mono_metadata_signature_dup (method->signature);
3218 callsig->ret = &mono_defaults.string_class->byval_arg;
3219 cs = g_new (CtorSigPair, 1);
3222 strsig_list = g_slist_prepend (strsig_list, cs);
3225 if (method->klass->valuetype && method->signature->hasthis) {
3227 * Valuetype methods receive a managed pointer as the this argument.
3228 * Create a new signature to reflect this.
3230 callsig = signature_dup_add_this (method->signature, method->klass);
3233 callsig = method->signature;
3236 cache = method->klass->image->runtime_invoke_cache;
3238 /* from mono_marshal_find_in_cache */
3239 res = g_hash_table_lookup (cache, callsig);
3240 LeaveCriticalSection (&marshal_mutex);
3246 if (!dealy_abort_sig) {
3247 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3248 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3249 dealy_abort_sig->pinvoke = 0;
3252 target_klass = mono_defaults.object_class;
3254 /* to make it work with our special string constructors */
3255 if (!string_dummy) {
3256 MONO_GC_REGISTER_ROOT (string_dummy);
3257 string_dummy = mono_string_new_wrapper ("dummy");
3260 sig = method->signature;
3262 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3264 csig->ret = &mono_defaults.object_class->byval_arg;
3265 if (method->klass->valuetype && method->signature->hasthis)
3266 csig->params [0] = callsig->params [0];
3268 csig->params [0] = &mono_defaults.object_class->byval_arg;
3269 csig->params [1] = &mono_defaults.int_class->byval_arg;
3270 csig->params [2] = &mono_defaults.int_class->byval_arg;
3271 csig->params [3] = &mono_defaults.int_class->byval_arg;
3273 name = mono_signature_to_name (callsig, "runtime_invoke");
3274 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3277 /* allocate local 0 (object) tmp */
3278 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3279 /* allocate local 1 (object) exc */
3280 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3282 /* cond set *exc to null */
3283 mono_mb_emit_byte (mb, CEE_LDARG_2);
3284 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3285 mono_mb_emit_byte (mb, 3);
3286 mono_mb_emit_byte (mb, CEE_LDARG_2);
3287 mono_mb_emit_byte (mb, CEE_LDNULL);
3288 mono_mb_emit_byte (mb, CEE_STIND_I);
3291 if (method->string_ctor) {
3292 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3293 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3294 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3296 mono_mb_emit_ldarg (mb, 0);
3300 for (i = 0; i < sig->param_count; i++) {
3301 MonoType *t = sig->params [i];
3304 mono_mb_emit_ldarg (mb, 1);
3306 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3307 mono_mb_emit_byte (mb, CEE_ADD);
3309 mono_mb_emit_byte (mb, CEE_LDIND_I);
3314 type = sig->params [i]->type;
3318 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3320 case MONO_TYPE_BOOLEAN:
3322 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3325 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3328 case MONO_TYPE_CHAR:
3329 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3333 mono_mb_emit_byte (mb, CEE_LDIND_I);
3336 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3339 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3342 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3345 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3349 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3351 case MONO_TYPE_STRING:
3352 case MONO_TYPE_CLASS:
3353 case MONO_TYPE_ARRAY:
3355 case MONO_TYPE_SZARRAY:
3356 case MONO_TYPE_OBJECT:
3359 case MONO_TYPE_VALUETYPE:
3360 if (t->data.klass->enumtype) {
3361 type = t->data.klass->enum_basetype->type;
3364 mono_mb_emit_byte (mb, CEE_LDOBJ);
3365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3368 g_assert_not_reached ();
3372 mono_mb_emit_ldarg (mb, 3);
3373 emit_thread_force_interrupt_checkpoint (mb);
3374 mono_mb_emit_calli (mb, callsig);
3376 if (sig->ret->byref) {
3378 g_assert_not_reached ();
3382 switch (sig->ret->type) {
3383 case MONO_TYPE_VOID:
3384 if (!method->string_ctor)
3385 mono_mb_emit_byte (mb, CEE_LDNULL);
3387 case MONO_TYPE_BOOLEAN:
3388 case MONO_TYPE_CHAR:
3401 case MONO_TYPE_VALUETYPE:
3402 /* box value types */
3403 mono_mb_emit_byte (mb, CEE_BOX);
3404 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3406 case MONO_TYPE_STRING:
3407 case MONO_TYPE_CLASS:
3408 case MONO_TYPE_ARRAY:
3409 case MONO_TYPE_SZARRAY:
3410 case MONO_TYPE_OBJECT:
3415 g_assert_not_reached ();
3418 mono_mb_emit_stloc (mb, 0);
3420 mono_mb_emit_byte (mb, CEE_LEAVE);
3422 mono_mb_emit_i4 (mb, 0);
3424 clause = g_new0 (MonoExceptionClause, 1);
3425 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3426 clause->try_len = mb->pos;
3429 clause->data.filter_offset = mb->pos;
3431 mono_mb_emit_byte (mb, CEE_POP);
3432 mono_mb_emit_byte (mb, CEE_LDARG_2);
3433 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3434 mono_mb_emit_byte (mb, CEE_PREFIX1);
3435 mono_mb_emit_byte (mb, CEE_CGT_UN);
3436 mono_mb_emit_byte (mb, CEE_PREFIX1);
3437 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3439 clause->handler_offset = mb->pos;
3442 /* store exception */
3443 mono_mb_emit_stloc (mb, 1);
3445 mono_mb_emit_byte (mb, CEE_LDARG_2);
3446 mono_mb_emit_ldloc (mb, 1);
3447 mono_mb_emit_byte (mb, CEE_STIND_I);
3449 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3450 mono_mb_emit_stloc (mb, 0);
3452 /* Check for the abort exception */
3453 mono_mb_emit_ldloc (mb, 1);
3454 mono_mb_emit_byte (mb, CEE_ISINST);
3455 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3456 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3458 mono_mb_emit_byte (mb, 0);
3460 /* Delay the abort exception */
3461 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3463 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3464 mono_mb_emit_byte (mb, CEE_LEAVE);
3465 mono_mb_emit_i4 (mb, 0);
3467 clause->handler_len = mb->pos - clause->handler_offset;
3470 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3471 mono_mb_emit_ldloc (mb, 0);
3472 mono_mb_emit_byte (mb, CEE_RET);
3474 /* taken from mono_mb_create_and_cache */
3475 EnterCriticalSection (&marshal_mutex);
3477 res = g_hash_table_lookup (cache, callsig);
3478 /* Somebody may have created it before us */
3480 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3481 g_hash_table_insert (cache, callsig, res);
3482 g_hash_table_insert (wrapper_hash, res, callsig);
3485 LeaveCriticalSection (&marshal_mutex);
3486 /* end mono_mb_create_and_cache */
3490 header = ((MonoMethodNormal *)res)->header;
3491 header->num_clauses = 1;
3492 header->clauses = clause;
3498 raise_auto_layout_exception (MonoClass *klass)
3500 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3501 klass->name_space, klass->name);
3503 MonoException *e = mono_exception_from_name_msg (
3504 mono_get_corlib (), "System.Runtime.InteropServices",
3505 "MarshalDirectiveException", msg);
3507 mono_raise_exception (e);
3511 * generates IL code to call managed methods from unmanaged code
3514 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
3516 MonoMethodSignature *sig, *csig;
3517 MonoMethodBuilder *mb;
3518 MonoClass *klass = NULL;
3521 int i, pos = 0, *tmp_locals;
3522 static MonoMethodSignature *alloc_sig = NULL;
3525 g_assert (method != NULL);
3526 g_assert (!method->signature->pinvoke);
3528 cache = method->klass->image->managed_wrapper_cache;
3529 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
3532 /* Under MS, the allocation should be done using CoTaskMemAlloc */
3534 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3535 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
3536 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
3537 alloc_sig->pinvoke = 1;
3540 sig = method->signature;
3542 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
3544 /* allocate local 0 (pointer) src_ptr */
3545 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3546 /* allocate local 1 (pointer) dst_ptr */
3547 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3548 /* allocate local 2 (boolean) delete_old */
3549 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3551 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3552 /* allocate local 3 to store the return value */
3553 mono_mb_add_local (mb, sig->ret);
3556 mono_mb_emit_icon (mb, 0);
3557 mono_mb_emit_byte (mb, CEE_STLOC_2);
3559 /* we copy the signature, so that we can modify it */
3560 csig = mono_metadata_signature_dup (sig);
3564 #ifdef PLATFORM_WIN32
3566 * Under windows, delegates passed to native code must use the STDCALL
3567 * calling convention.
3569 csig->call_convention = MONO_CALL_STDCALL;
3572 /* fixme: howto handle this ? */
3576 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3577 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3578 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
3583 g_assert_not_reached ();
3588 /* we first do all conversions */
3589 tmp_locals = alloca (sizeof (int) * sig->param_count);
3590 for (i = 0; i < sig->param_count; i ++) {
3591 MonoType *t = sig->params [i];
3592 MonoMarshalSpec *spec = mspecs [i + 1];
3596 /* Ensure that we have marshalling info for this param */
3597 mono_marshal_load_type_info (mono_class_from_mono_type (t));
3599 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3602 MonoMethod *marshal_native_to_managed;
3603 MonoMethod *get_instance;
3605 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3606 g_assert (mtype != NULL);
3607 mklass = mono_class_from_mono_type (mtype);
3608 g_assert (mklass != NULL);
3610 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
3611 g_assert (marshal_native_to_managed);
3612 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
3613 g_assert (get_instance);
3616 case MONO_TYPE_CLASS:
3617 case MONO_TYPE_OBJECT:
3618 case MONO_TYPE_STRING:
3619 case MONO_TYPE_ARRAY:
3620 case MONO_TYPE_SZARRAY:
3624 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3626 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3628 mono_mb_emit_byte (mb, CEE_CALL);
3629 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3631 mono_mb_emit_ldarg (mb, i);
3633 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3634 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3636 mono_mb_emit_stloc (mb, tmp_locals [i]);
3639 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3640 g_assert_not_reached ();
3647 case MONO_TYPE_CLASS: {
3648 klass = t->data.klass;
3650 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3652 if (klass->delegate) {
3653 g_assert (!t->byref);
3654 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3655 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3656 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3657 mono_mb_emit_ldarg (mb, i);
3658 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
3659 mono_mb_emit_stloc (mb, tmp_locals [i]);
3663 /* The class can not have an automatic layout */
3664 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3665 raise_auto_layout_exception (klass);
3667 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3668 mono_mb_emit_byte (mb, CEE_LDNULL);
3669 mono_mb_emit_stloc (mb, tmp_locals [i]);
3674 mono_mb_emit_ldarg (mb, i);
3678 /* Check for NULL and raise an exception */
3679 mono_mb_emit_byte (mb, CEE_BRTRUE);
3681 mono_mb_emit_i4 (mb, 0);
3683 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
3685 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3686 mono_mb_emit_ldarg (mb, i);
3687 mono_mb_emit_byte (mb, CEE_LDIND_I);
3690 mono_mb_emit_byte (mb, CEE_STLOC_0);
3692 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3693 mono_mb_emit_stloc (mb, tmp_locals [i]);
3695 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3696 mono_mb_emit_byte (mb, CEE_BRFALSE);
3698 mono_mb_emit_i4 (mb, 0);
3700 /* Create and set dst */
3701 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3702 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3703 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3704 mono_mb_emit_stloc (mb, tmp_locals [i]);
3705 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3706 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3707 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3708 mono_mb_emit_icon (mb, sizeof (MonoObject));
3709 mono_mb_emit_byte (mb, CEE_ADD);
3710 mono_mb_emit_byte (mb, CEE_STLOC_1);
3712 /* emit valuetype conversion code */
3713 emit_struct_conv (mb, klass, TRUE);
3715 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3718 case MONO_TYPE_VALUETYPE:
3720 klass = sig->params [i]->data.klass;
3721 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3722 klass->blittable || klass->enumtype)
3725 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3727 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3731 mono_mb_emit_ldarg (mb, i);
3733 mono_mb_emit_ldarg_addr (mb, i);
3734 mono_mb_emit_byte (mb, CEE_STLOC_0);
3737 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3738 mono_mb_emit_byte (mb, CEE_BRFALSE);
3740 mono_mb_emit_i4 (mb, 0);
3743 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3744 mono_mb_emit_byte (mb, CEE_STLOC_1);
3746 /* emit valuetype conversion code */
3747 emit_struct_conv (mb, klass, TRUE);
3750 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3752 case MONO_TYPE_STRING: {
3753 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
3758 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3759 csig->params [i] = &mono_defaults.int_class->byval_arg;
3761 mono_mb_emit_ldarg (mb, i);
3764 case MONO_NATIVE_LPWSTR:
3765 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
3767 case MONO_NATIVE_LPSTR:
3768 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3771 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3772 MonoException *exc = mono_get_exception_not_implemented (msg);
3775 mono_raise_exception (exc);
3779 mono_mb_emit_stloc (mb, tmp_locals [i]);
3782 case MONO_TYPE_ARRAY:
3783 case MONO_TYPE_SZARRAY:
3787 klass = mono_class_from_mono_type (t);
3789 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3790 csig->params [i] = &mono_defaults.int_class->byval_arg;
3792 g_warning ("array marshaling not implemented");
3793 g_assert_not_reached ();
3798 for (i = 0; i < sig->param_count; i++) {
3799 MonoType *t = sig->params [i];
3802 case MONO_TYPE_BOOLEAN:
3816 mono_mb_emit_ldarg (mb, i);
3818 case MONO_TYPE_STRING:
3820 mono_mb_emit_ldarg (mb, i);
3822 g_assert (tmp_locals [i]);
3823 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3826 case MONO_TYPE_CLASS:
3828 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3830 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3832 case MONO_TYPE_ARRAY:
3833 case MONO_TYPE_SZARRAY:
3834 case MONO_TYPE_OBJECT:
3836 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3838 mono_mb_emit_ldarg (mb, i);
3840 case MONO_TYPE_VALUETYPE:
3841 klass = sig->params [i]->data.klass;
3842 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3843 klass->blittable || klass->enumtype) {
3844 mono_mb_emit_ldarg (mb, i);
3848 g_assert (tmp_locals [i]);
3850 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3852 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3855 g_warning ("type 0x%02x unknown", t->type);
3856 g_assert_not_reached ();
3860 emit_thread_interrupt_checkpoint (mb);
3861 mono_mb_emit_managed_call (mb, method, NULL);
3863 /* Ensure that we have marshalling info for the return */
3864 mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
3866 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3867 MonoMarshalSpec *spec = mspecs [0];
3872 g_assert (!sig->ret->byref);
3874 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3876 mklass = mono_class_from_mono_type (mtype);
3879 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3881 switch (sig->ret->type) {
3882 case MONO_TYPE_CLASS:
3883 case MONO_TYPE_OBJECT:
3884 case MONO_TYPE_STRING:
3885 case MONO_TYPE_ARRAY:
3886 case MONO_TYPE_SZARRAY:
3887 mono_mb_emit_byte (mb, CEE_STLOC_3);
3889 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3890 mono_mb_emit_stloc (mb, loc1);
3892 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3893 mono_mb_emit_byte (mb, CEE_CALL);
3894 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "GetInstance", 1)));
3895 mono_mb_emit_byte (mb, CEE_DUP);
3897 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3898 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3899 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1)));
3900 mono_mb_emit_byte (mb, CEE_STLOC_3);
3902 mono_mb_emit_ldloc (mb, loc1);
3903 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3904 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1)));
3908 g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
3909 g_assert_not_reached ();
3914 if (!sig->ret->byref) {
3915 switch (sig->ret->type) {
3916 case MONO_TYPE_VOID:
3918 case MONO_TYPE_BOOLEAN:
3932 case MONO_TYPE_OBJECT:
3933 mono_mb_emit_byte (mb, CEE_STLOC_3);
3935 case MONO_TYPE_STRING:
3936 csig->ret = &mono_defaults.int_class->byval_arg;
3938 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
3939 mono_mb_emit_byte (mb, CEE_STLOC_3);
3941 case MONO_TYPE_VALUETYPE:
3942 klass = sig->ret->data.klass;
3943 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3944 klass->blittable || klass->enumtype)
3947 /* load pointer to returned value type */
3948 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3949 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3951 /* store the address of the source into local variable 0 */
3952 mono_mb_emit_byte (mb, CEE_STLOC_0);
3953 /* allocate space for the native struct and
3954 * store the address into dst_ptr */
3955 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3956 g_assert (retobj_var);
3957 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3958 mono_mb_emit_byte (mb, CEE_CONV_I);
3959 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
3960 emit_thread_interrupt_checkpoint (mb);
3961 mono_mb_emit_byte (mb, CEE_STLOC_1);
3962 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3963 mono_mb_emit_stloc (mb, retobj_var);
3965 /* emit valuetype conversion code */
3966 emit_struct_conv (mb, klass, FALSE);
3968 case MONO_TYPE_CLASS: {
3971 klass = sig->ret->data.klass;
3973 if (klass->delegate) {
3974 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
3975 mono_mb_emit_byte (mb, CEE_STLOC_3);
3979 /* The class can not have an automatic layout */
3980 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3981 raise_auto_layout_exception (klass);
3983 mono_mb_emit_byte (mb, CEE_STLOC_0);
3984 /* Check for null */
3985 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3986 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
3987 mono_mb_emit_byte (mb, CEE_LDNULL);
3988 mono_mb_emit_byte (mb, CEE_STLOC_3);
3989 pos2 = mono_mb_emit_branch (mb, CEE_BR);
3991 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3994 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3995 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3996 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3997 mono_mb_emit_icon (mb, sizeof (MonoObject));
3998 mono_mb_emit_byte (mb, CEE_ADD);
3999 mono_mb_emit_byte (mb, CEE_STLOC_0);
4001 /* Allocate and set dest */
4002 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4003 mono_mb_emit_byte (mb, CEE_CONV_I);
4004 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4005 emit_thread_interrupt_checkpoint (mb);
4006 mono_mb_emit_byte (mb, CEE_DUP);
4007 mono_mb_emit_byte (mb, CEE_STLOC_1);
4008 mono_mb_emit_byte (mb, CEE_STLOC_3);
4010 emit_struct_conv (mb, klass, FALSE);
4012 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4016 g_warning ("return type 0x%02x unknown", sig->ret->type);
4017 g_assert_not_reached ();
4020 mono_mb_emit_byte (mb, CEE_STLOC_3);
4023 /* Convert byref arguments back */
4024 for (i = 0; i < sig->param_count; i ++) {
4025 MonoType *t = sig->params [i];
4026 MonoMarshalSpec *spec = mspecs [i + 1];
4028 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
4031 MonoMethod *cleanup_managed;
4032 MonoMethod *get_instance;
4034 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
4035 g_assert (mtype != NULL);
4036 mklass = mono_class_from_mono_type (mtype);
4037 g_assert (mklass != NULL);
4039 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4040 g_assert (get_instance);
4041 cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
4042 g_assert (cleanup_managed);
4045 case MONO_TYPE_CLASS:
4046 case MONO_TYPE_OBJECT:
4047 case MONO_TYPE_STRING:
4048 case MONO_TYPE_ARRAY:
4049 case MONO_TYPE_SZARRAY:
4051 g_assert_not_reached ();
4053 /* Call CleanUpManagedData */
4055 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4057 mono_mb_emit_byte (mb, CEE_CALL);
4058 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4060 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4061 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4062 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4066 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4067 g_assert_not_reached ();
4077 case MONO_TYPE_CLASS: {
4080 klass = t->data.klass;
4082 /* Check for null */
4083 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4084 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
4085 mono_mb_emit_ldarg (mb, i);
4086 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4087 mono_mb_emit_byte (mb, CEE_STIND_I);
4088 pos2 = mono_mb_emit_branch (mb, CEE_BR);
4090 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4093 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4094 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4095 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4096 mono_mb_emit_icon (mb, sizeof (MonoObject));
4097 mono_mb_emit_byte (mb, CEE_ADD);
4098 mono_mb_emit_byte (mb, CEE_STLOC_0);
4100 /* Allocate and set dest */
4101 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4102 mono_mb_emit_byte (mb, CEE_CONV_I);
4103 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4104 emit_thread_interrupt_checkpoint (mb);
4105 mono_mb_emit_byte (mb, CEE_STLOC_1);
4107 /* Update argument pointer */
4108 mono_mb_emit_ldarg (mb, i);
4109 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4110 mono_mb_emit_byte (mb, CEE_STIND_I);
4112 /* emit valuetype conversion code */
4113 emit_struct_conv (mb, klass, FALSE);
4115 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4118 case MONO_TYPE_VALUETYPE: {
4121 klass = t->data.klass;
4123 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4124 klass->blittable || klass->enumtype) {
4128 /* Check for null */
4129 mono_mb_emit_ldarg (mb, i);
4130 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4133 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4134 mono_mb_emit_byte (mb, CEE_STLOC_0);
4137 mono_mb_emit_ldarg (mb, i);
4138 mono_mb_emit_byte (mb, CEE_STLOC_1);
4140 /* emit valuetype conversion code */
4141 emit_struct_conv (mb, klass, FALSE);
4143 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4150 mono_mb_emit_ldloc (mb, retobj_var);
4151 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4152 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
4153 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4156 if (!MONO_TYPE_IS_VOID(sig->ret))
4157 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4158 mono_mb_emit_byte (mb, CEE_RET);
4162 res = mono_mb_create_and_cache (cache, method,
4163 mb, csig, sig->param_count + 16);
4165 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4170 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
4176 * mono_marshal_get_ldfld_wrapper:
4177 * @type: the type of the field
4179 * This method generates a function which can be use to load a field with type
4180 * @type from an object. The generated function has the following signature:
4181 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4184 mono_marshal_get_ldfld_wrapper (MonoType *type)
4186 MonoMethodSignature *sig, *csig;
4187 MonoMethodBuilder *mb;
4190 static GHashTable *ldfld_hash = NULL;
4192 int t, pos0, pos1 = 0;
4197 if (type->type == MONO_TYPE_SZARRAY) {
4198 klass = mono_defaults.array_class;
4199 } else if (type->type == MONO_TYPE_VALUETYPE) {
4200 klass = type->data.klass;
4201 if (klass->enumtype) {
4202 t = klass->enum_basetype->type;
4203 klass = mono_class_from_mono_type (klass->enum_basetype);
4205 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4206 t == MONO_TYPE_CLASS) {
4207 klass = mono_defaults.object_class;
4208 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4209 klass = mono_defaults.int_class;
4211 klass = mono_class_from_mono_type (type);
4214 klass = mono_defaults.int_class;
4217 EnterCriticalSection (&marshal_mutex);
4219 ldfld_hash = g_hash_table_new (NULL, NULL);
4220 res = g_hash_table_lookup (ldfld_hash, klass);
4221 LeaveCriticalSection (&marshal_mutex);
4225 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
4226 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4229 mb->method->save_lmf = 1;
4231 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4232 sig->params [0] = &mono_defaults.object_class->byval_arg;
4233 sig->params [1] = &mono_defaults.int_class->byval_arg;
4234 sig->params [2] = &mono_defaults.int_class->byval_arg;
4235 sig->params [3] = &mono_defaults.int_class->byval_arg;
4236 sig->ret = &klass->byval_arg;
4238 mono_mb_emit_ldarg (mb, 0);
4239 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4241 mono_mb_emit_ldarg (mb, 0);
4242 mono_mb_emit_ldarg (mb, 1);
4243 mono_mb_emit_ldarg (mb, 2);
4245 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4246 csig->params [0] = &mono_defaults.object_class->byval_arg;
4247 csig->params [1] = &mono_defaults.int_class->byval_arg;
4248 csig->params [2] = &mono_defaults.int_class->byval_arg;
4249 csig->ret = &klass->this_arg;
4252 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4253 emit_thread_interrupt_checkpoint (mb);
4255 if (klass->valuetype) {
4256 mono_mb_emit_byte (mb, CEE_UNBOX);
4257 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4258 mono_mb_emit_byte (mb, CEE_BR);
4260 mono_mb_emit_i4 (mb, 0);
4262 mono_mb_emit_byte (mb, CEE_RET);
4266 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4268 mono_mb_emit_ldarg (mb, 0);
4269 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4270 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4271 mono_mb_emit_ldarg (mb, 3);
4272 mono_mb_emit_byte (mb, CEE_ADD);
4274 if (klass->valuetype)
4275 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4280 case MONO_TYPE_BOOLEAN:
4281 mono_mb_emit_byte (mb, CEE_LDIND_I1);
4283 case MONO_TYPE_CHAR:
4286 mono_mb_emit_byte (mb, CEE_LDIND_I2);
4290 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4294 mono_mb_emit_byte (mb, CEE_LDIND_I8);
4297 mono_mb_emit_byte (mb, CEE_LDIND_R4);
4300 mono_mb_emit_byte (mb, CEE_LDIND_R8);
4302 case MONO_TYPE_ARRAY:
4304 case MONO_TYPE_FNPTR:
4305 case MONO_TYPE_SZARRAY:
4306 case MONO_TYPE_OBJECT:
4307 case MONO_TYPE_CLASS:
4308 case MONO_TYPE_STRING:
4311 mono_mb_emit_byte (mb, CEE_LDIND_I);
4313 case MONO_TYPE_VALUETYPE:
4314 g_assert (!klass->enumtype);
4315 mono_mb_emit_byte (mb, CEE_LDOBJ);
4316 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4319 g_warning ("type %x not implemented", type->type);
4320 g_assert_not_reached ();
4323 mono_mb_emit_byte (mb, CEE_RET);
4325 res = mono_mb_create_and_cache (ldfld_hash, klass,
4326 mb, sig, sig->param_count + 16);
4333 * mono_marshal_get_stfld_wrapper:
4334 * @type: the type of the field
4336 * This method generates a function which can be use to store a field with type
4337 * @type. The generated function has the following signature:
4338 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4341 mono_marshal_get_stfld_wrapper (MonoType *type)
4343 MonoMethodSignature *sig, *csig;
4344 MonoMethodBuilder *mb;
4347 static GHashTable *stfld_hash = NULL;
4354 if (type->type == MONO_TYPE_SZARRAY) {
4355 klass = mono_defaults.array_class;
4356 } else if (type->type == MONO_TYPE_VALUETYPE) {
4357 klass = type->data.klass;
4358 if (klass->enumtype) {
4359 t = klass->enum_basetype->type;
4360 klass = mono_class_from_mono_type (klass->enum_basetype);
4362 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4363 t == MONO_TYPE_CLASS) {
4364 klass = mono_defaults.object_class;
4365 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4366 klass = mono_defaults.int_class;
4368 klass = mono_class_from_mono_type (type);
4371 klass = mono_defaults.int_class;
4374 EnterCriticalSection (&marshal_mutex);
4376 stfld_hash = g_hash_table_new (NULL, NULL);
4377 res = g_hash_table_lookup (stfld_hash, klass);
4378 LeaveCriticalSection (&marshal_mutex);
4382 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
4383 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4386 mb->method->save_lmf = 1;
4388 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4389 sig->params [0] = &mono_defaults.object_class->byval_arg;
4390 sig->params [1] = &mono_defaults.int_class->byval_arg;
4391 sig->params [2] = &mono_defaults.int_class->byval_arg;
4392 sig->params [3] = &mono_defaults.int_class->byval_arg;
4393 sig->params [4] = &klass->byval_arg;
4394 sig->ret = &mono_defaults.void_class->byval_arg;
4396 mono_mb_emit_ldarg (mb, 0);
4397 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4399 mono_mb_emit_ldarg (mb, 0);
4400 mono_mb_emit_ldarg (mb, 1);
4401 mono_mb_emit_ldarg (mb, 2);
4402 mono_mb_emit_ldarg (mb, 4);
4404 if (klass->valuetype) {
4405 mono_mb_emit_byte (mb, CEE_BOX);
4406 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4409 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4410 csig->params [0] = &mono_defaults.object_class->byval_arg;
4411 csig->params [1] = &mono_defaults.int_class->byval_arg;
4412 csig->params [2] = &mono_defaults.int_class->byval_arg;
4413 csig->params [3] = &klass->this_arg;
4414 csig->ret = &mono_defaults.void_class->byval_arg;
4417 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4418 emit_thread_interrupt_checkpoint (mb);
4420 mono_mb_emit_byte (mb, CEE_RET);
4422 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4424 mono_mb_emit_ldarg (mb, 0);
4425 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4426 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4427 mono_mb_emit_ldarg (mb, 3);
4428 mono_mb_emit_byte (mb, CEE_ADD);
4429 mono_mb_emit_ldarg (mb, 4);
4434 case MONO_TYPE_BOOLEAN:
4435 mono_mb_emit_byte (mb, CEE_STIND_I1);
4437 case MONO_TYPE_CHAR:
4440 mono_mb_emit_byte (mb, CEE_STIND_I2);
4444 mono_mb_emit_byte (mb, CEE_STIND_I4);
4448 mono_mb_emit_byte (mb, CEE_STIND_I8);
4451 mono_mb_emit_byte (mb, CEE_STIND_R4);
4454 mono_mb_emit_byte (mb, CEE_STIND_R8);
4456 case MONO_TYPE_ARRAY:
4458 case MONO_TYPE_FNPTR:
4459 case MONO_TYPE_SZARRAY:
4460 case MONO_TYPE_OBJECT:
4461 case MONO_TYPE_CLASS:
4462 case MONO_TYPE_STRING:
4465 mono_mb_emit_byte (mb, CEE_STIND_I);
4467 case MONO_TYPE_VALUETYPE:
4468 g_assert (!klass->enumtype);
4469 mono_mb_emit_byte (mb, CEE_STOBJ);
4470 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4473 g_warning ("type %x not implemented", type->type);
4474 g_assert_not_reached ();
4477 mono_mb_emit_byte (mb, CEE_RET);
4479 res = mono_mb_create_and_cache (stfld_hash, klass,
4480 mb, sig, sig->param_count + 16);
4487 * generates IL code for the icall wrapper (the generated method
4488 * calls the unmanaged code in func)
4491 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4493 MonoMethodSignature *csig;
4494 MonoMethodBuilder *mb;
4498 g_assert (sig->pinvoke);
4500 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4502 mb->method->save_lmf = 1;
4504 /* we copy the signature, so that we can modify it */
4507 mono_mb_emit_byte (mb, CEE_LDARG_0);
4509 for (i = 0; i < sig->param_count; i++)
4510 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4512 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4513 emit_thread_interrupt_checkpoint (mb);
4514 mono_mb_emit_byte (mb, CEE_RET);
4516 csig = mono_metadata_signature_dup (sig);
4518 if (csig->call_convention == MONO_CALL_VARARG)
4519 csig->call_convention = 0;
4521 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4528 MonoMethodBuilder *mb;
4529 MonoMethodPInvoke *piinfo;
4530 int *orig_conv_args; /* Locals containing the original values of byref args */
4531 } EmitMarshalContext;
4534 MARSHAL_ACTION_CONV_IN,
4535 MARSHAL_ACTION_PUSH,
4536 MARSHAL_ACTION_CONV_OUT,
4537 MARSHAL_ACTION_CONV_RESULT
4541 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4542 MonoMarshalSpec *spec,
4543 int conv_arg, MonoType **conv_arg_type,
4544 MarshalAction action)
4548 MonoMethod *get_instance, *cleanup_native;
4549 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4550 MonoMethodBuilder *mb = m->mb;
4553 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4554 g_assert (mtype != NULL);
4555 mklass = mono_class_from_mono_type (mtype);
4556 g_assert (mklass != NULL);
4558 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4559 g_assert (get_instance);
4560 cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
4561 g_assert (cleanup_native);
4562 marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
4563 g_assert (marshal_managed_to_native);
4564 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
4565 g_assert (marshal_native_to_managed);
4568 case MARSHAL_ACTION_CONV_IN:
4570 case MONO_TYPE_CLASS:
4571 case MONO_TYPE_OBJECT:
4572 case MONO_TYPE_STRING:
4573 case MONO_TYPE_ARRAY:
4574 case MONO_TYPE_SZARRAY:
4575 case MONO_TYPE_VALUETYPE:
4579 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4581 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4583 mono_mb_emit_byte (mb, CEE_CALL);
4584 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4586 mono_mb_emit_ldarg (mb, argnum);
4588 if (t->type == MONO_TYPE_VALUETYPE) {
4590 * Since we can't determine the type of the argument, we
4591 * will assume the unmanaged function takes a pointer.
4593 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4595 mono_mb_emit_byte (mb, CEE_BOX);
4596 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4599 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4600 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4601 mono_mb_emit_stloc (mb, conv_arg);
4605 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4606 g_assert_not_reached ();
4612 case MARSHAL_ACTION_CONV_OUT:
4614 case MONO_TYPE_CLASS:
4615 case MONO_TYPE_OBJECT:
4616 case MONO_TYPE_STRING:
4617 case MONO_TYPE_ARRAY:
4618 case MONO_TYPE_SZARRAY:
4619 case MONO_TYPE_VALUETYPE:
4620 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4622 mono_mb_emit_byte (mb, CEE_CALL);
4623 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4625 mono_mb_emit_ldloc (mb, conv_arg);
4627 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4628 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4633 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4634 g_assert_not_reached ();
4639 case MARSHAL_ACTION_PUSH:
4640 mono_mb_emit_ldloc (mb, conv_arg);
4643 case MARSHAL_ACTION_CONV_RESULT:
4644 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4647 case MONO_TYPE_CLASS:
4648 case MONO_TYPE_OBJECT:
4649 case MONO_TYPE_STRING:
4650 case MONO_TYPE_ARRAY:
4651 case MONO_TYPE_SZARRAY:
4652 mono_mb_emit_byte (mb, CEE_STLOC_3);
4654 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4655 mono_mb_emit_stloc (mb, loc1);
4657 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4659 mono_mb_emit_byte (mb, CEE_CALL);
4660 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4661 mono_mb_emit_byte (mb, CEE_DUP);
4663 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4664 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4665 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4666 mono_mb_emit_byte (mb, CEE_STLOC_3);
4668 mono_mb_emit_ldloc (mb, loc1);
4669 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4674 g_assert_not_reached ();
4680 g_assert_not_reached ();
4687 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4688 MonoMarshalSpec *spec,
4689 int conv_arg, MonoType **conv_arg_type,
4690 MarshalAction action)
4692 MonoMethodBuilder *mb = m->mb;
4695 case MARSHAL_ACTION_CONV_IN: {
4696 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4698 g_assert (t->type == MONO_TYPE_OBJECT);
4699 g_assert (!t->byref);
4701 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4702 mono_mb_emit_ldarg (mb, argnum);
4703 mono_mb_emit_icon (mb, encoding);
4704 mono_mb_emit_icall (mb, mono_marshal_asany);
4705 mono_mb_emit_stloc (mb, conv_arg);
4709 case MARSHAL_ACTION_PUSH:
4710 mono_mb_emit_ldloc (mb, conv_arg);
4713 case MARSHAL_ACTION_CONV_OUT: {
4714 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4716 mono_mb_emit_ldarg (mb, argnum);
4717 mono_mb_emit_ldloc (mb, conv_arg);
4718 mono_mb_emit_icon (mb, encoding);
4719 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4724 g_assert_not_reached ();
4731 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4732 MonoMarshalSpec *spec,
4733 int conv_arg, MonoType **conv_arg_type,
4734 MarshalAction action)
4736 MonoMethodBuilder *mb = m->mb;
4740 klass = t->data.klass;
4743 case MARSHAL_ACTION_CONV_IN:
4744 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4745 klass->blittable || klass->enumtype)
4748 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4750 /* store the address of the source into local variable 0 */
4752 mono_mb_emit_ldarg (mb, argnum);
4754 mono_mb_emit_ldarg_addr (mb, argnum);
4756 mono_mb_emit_byte (mb, CEE_STLOC_0);
4758 /* allocate space for the native struct and
4759 * store the address into local variable 1 (dest) */
4760 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4761 mono_mb_emit_byte (mb, CEE_PREFIX1);
4762 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4763 mono_mb_emit_stloc (mb, conv_arg);
4766 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4767 mono_mb_emit_byte (mb, CEE_BRFALSE);
4769 mono_mb_emit_i4 (mb, 0);
4773 mono_mb_emit_ldloc (mb, conv_arg);
4774 mono_mb_emit_byte (mb, CEE_STLOC_1);
4776 /* emit valuetype conversion code */
4777 emit_struct_conv (mb, klass, FALSE);
4780 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4783 case MARSHAL_ACTION_PUSH:
4784 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4785 klass->blittable || klass->enumtype) {
4786 mono_mb_emit_ldarg (mb, argnum);
4789 mono_mb_emit_ldloc (mb, conv_arg);
4791 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4792 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4793 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4797 case MARSHAL_ACTION_CONV_OUT:
4798 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4799 klass->blittable || klass->enumtype)
4803 /* dst = argument */
4804 mono_mb_emit_ldarg (mb, argnum);
4805 mono_mb_emit_byte (mb, CEE_STLOC_1);
4807 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4808 mono_mb_emit_byte (mb, CEE_BRFALSE);
4810 mono_mb_emit_i4 (mb, 0);
4812 /* src = tmp_locals [i] */
4813 mono_mb_emit_ldloc (mb, conv_arg);
4814 mono_mb_emit_byte (mb, CEE_STLOC_0);
4816 /* emit valuetype conversion code */
4817 emit_struct_conv (mb, klass, TRUE);
4820 emit_struct_free (mb, klass, conv_arg);
4823 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4826 case MARSHAL_ACTION_CONV_RESULT:
4827 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4829 mono_mb_emit_byte (mb, CEE_STLOC_3);
4832 /* load pointer to returned value type */
4833 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4834 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4835 /* store the address of the source into local variable 0 */
4836 mono_mb_emit_byte (mb, CEE_STLOC_0);
4838 mono_mb_emit_ldloc_addr (mb, 3);
4839 mono_mb_emit_byte (mb, CEE_STLOC_1);
4841 /* emit valuetype conversion code */
4842 emit_struct_conv (mb, klass, TRUE);
4846 g_assert_not_reached ();
4853 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4854 MonoMarshalSpec *spec,
4855 int conv_arg, MonoType **conv_arg_type,
4856 MarshalAction action)
4858 MonoMethodBuilder *mb = m->mb;
4859 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4860 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4863 case MARSHAL_ACTION_CONV_IN:
4864 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4865 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4868 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4871 mono_mb_emit_ldarg (mb, argnum);
4872 mono_mb_emit_byte (mb, CEE_LDIND_I);
4874 mono_mb_emit_ldarg (mb, argnum);
4878 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4879 MonoException *exc = mono_get_exception_not_implemented (msg);
4882 mono_raise_exception (exc);
4885 mono_mb_emit_icall (mb, conv_to_icall (conv));
4887 mono_mb_emit_stloc (mb, conv_arg);
4890 case MARSHAL_ACTION_CONV_OUT:
4891 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4892 mono_mb_emit_ldarg (mb, argnum);
4893 mono_mb_emit_ldloc (mb, conv_arg);
4894 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4895 mono_mb_emit_byte (mb, CEE_STIND_I);
4897 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4898 mono_mb_emit_ldloc (mb, conv_arg);
4899 mono_mb_emit_icall (mb, mono_marshal_free);
4904 case MARSHAL_ACTION_CONV_RESULT:
4905 mono_mb_emit_byte (mb, CEE_STLOC_0);
4906 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4909 switch (spec->native) {
4910 case MONO_NATIVE_LPWSTR:
4911 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4914 g_warning ("marshalling conversion not implemented");
4915 g_assert_not_reached ();
4918 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4920 mono_mb_emit_byte (mb, CEE_STLOC_3);
4922 /* free the string */
4923 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4924 mono_mb_emit_icall (mb, g_free);
4928 g_assert_not_reached ();
4935 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4936 MonoMarshalSpec *spec,
4937 int conv_arg, MonoType **conv_arg_type,
4938 MarshalAction action)
4940 MonoMethodBuilder *mb = m->mb;
4941 MonoClass *klass = t->data.klass;
4945 case MARSHAL_ACTION_CONV_IN:
4946 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4947 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4949 m->orig_conv_args [argnum] = 0;
4951 if (klass->delegate) {
4952 g_assert (!t->byref);
4953 mono_mb_emit_ldarg (mb, argnum);
4954 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4955 mono_mb_emit_stloc (mb, conv_arg);
4956 } else if (klass == mono_defaults.stringbuilder_class) {
4957 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4958 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4960 g_assert (!t->byref);
4961 mono_mb_emit_ldarg (mb, argnum);
4964 mono_mb_emit_icall (mb, conv_to_icall (conv));
4966 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4967 MonoException *exc = mono_get_exception_not_implemented (msg);
4970 mono_raise_exception (exc);
4973 mono_mb_emit_stloc (mb, conv_arg);
4974 } else if (klass->blittable) {
4975 mono_mb_emit_ldarg (mb, argnum);
4976 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4977 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4978 mono_mb_emit_icon (mb, sizeof (MonoObject));
4979 mono_mb_emit_byte (mb, CEE_ADD);
4980 mono_mb_emit_stloc (mb, conv_arg);
4983 mono_mb_emit_byte (mb, CEE_LDNULL);
4984 mono_mb_emit_stloc (mb, conv_arg);
4987 /* we dont need any conversions for out parameters */
4988 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4991 mono_mb_emit_ldarg (mb, argnum);
4992 mono_mb_emit_byte (mb, CEE_LDIND_I);
4995 mono_mb_emit_ldarg (mb, argnum);
4996 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4997 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5000 /* store the address of the source into local variable 0 */
5001 mono_mb_emit_byte (mb, CEE_STLOC_0);
5002 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5003 mono_mb_emit_byte (mb, CEE_BRFALSE);
5005 mono_mb_emit_i4 (mb, 0);
5007 /* allocate space for the native struct and store the address */
5008 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5009 mono_mb_emit_byte (mb, CEE_PREFIX1);
5010 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5011 mono_mb_emit_stloc (mb, conv_arg);
5014 /* Need to store the original buffer so we can free it later */
5015 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5016 mono_mb_emit_ldloc (mb, conv_arg);
5017 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5020 /* set the src_ptr */
5021 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5022 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5023 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5024 mono_mb_emit_icon (mb, sizeof (MonoObject));
5025 mono_mb_emit_byte (mb, CEE_ADD);
5026 mono_mb_emit_byte (mb, CEE_STLOC_0);
5029 mono_mb_emit_ldloc (mb, conv_arg);
5030 mono_mb_emit_byte (mb, CEE_STLOC_1);
5032 /* emit valuetype conversion code */
5033 emit_struct_conv (mb, klass, FALSE);
5035 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5039 case MARSHAL_ACTION_CONV_OUT:
5040 if (klass == mono_defaults.stringbuilder_class) {
5042 MonoMarshalNative encoding;
5043 MonoMarshalConv conv;
5045 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5046 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5048 g_assert (!t->byref);
5049 g_assert (encoding != -1);
5051 mono_mb_emit_ldarg (mb, argnum);
5052 mono_mb_emit_ldloc (mb, conv_arg);
5054 mono_mb_emit_icall (mb, conv_to_icall (conv));
5057 mono_mb_emit_ldloc (mb, conv_arg);
5058 mono_mb_emit_icall (mb, mono_marshal_free);
5063 if (klass->delegate)
5066 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5067 /* allocate a new object */
5068 mono_mb_emit_ldarg (mb, argnum);
5069 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5070 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5071 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5072 mono_mb_emit_byte (mb, CEE_STIND_I);
5075 /* dst = *argument */
5076 mono_mb_emit_ldarg (mb, argnum);
5079 mono_mb_emit_byte (mb, CEE_LDIND_I);
5081 mono_mb_emit_byte (mb, CEE_STLOC_1);
5083 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5084 mono_mb_emit_byte (mb, CEE_BRFALSE);
5086 mono_mb_emit_i4 (mb, 0);
5088 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5089 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5090 mono_mb_emit_icon (mb, sizeof (MonoObject));
5091 mono_mb_emit_byte (mb, CEE_ADD);
5092 mono_mb_emit_byte (mb, CEE_STLOC_1);
5094 /* src = tmp_locals [i] */
5095 mono_mb_emit_ldloc (mb, conv_arg);
5096 mono_mb_emit_byte (mb, CEE_STLOC_0);
5098 /* emit valuetype conversion code */
5099 emit_struct_conv (mb, t->data.klass, TRUE);
5101 /* Free the structure returned by the native code */
5102 emit_struct_free (mb, klass, conv_arg);
5104 if (m->orig_conv_args [argnum]) {
5106 * If the native function changed the pointer, then free
5107 * the original structure plus the new pointer.
5109 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5110 mono_mb_emit_ldloc (mb, conv_arg);
5111 mono_mb_emit_byte (mb, CEE_BEQ);
5113 mono_mb_emit_i4 (mb, 0);
5115 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5116 g_assert (m->orig_conv_args [argnum]);
5118 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5121 mono_mb_emit_ldloc (mb, conv_arg);
5122 mono_mb_emit_icall (mb, g_free);
5124 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5128 /* Free the original structure passed to native code */
5129 emit_struct_free (mb, klass, conv_arg);
5131 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5134 case MARSHAL_ACTION_CONV_RESULT:
5135 if (klass->delegate) {
5136 g_assert (!t->byref);
5137 mono_mb_emit_byte (mb, CEE_STLOC_0);
5138 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5139 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
5140 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5141 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5142 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5143 mono_mb_emit_byte (mb, CEE_STLOC_3);
5146 mono_mb_emit_byte (mb, CEE_STLOC_0);
5148 /* Make a copy since emit_conv modifies local 0 */
5149 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5150 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5151 mono_mb_emit_stloc (mb, loc);
5153 mono_mb_emit_byte (mb, CEE_LDNULL);
5154 mono_mb_emit_byte (mb, CEE_STLOC_3);
5156 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5157 mono_mb_emit_byte (mb, CEE_BRFALSE);
5159 mono_mb_emit_i4 (mb, 0);
5161 /* allocate result object */
5163 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5164 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5165 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5166 mono_mb_emit_byte (mb, CEE_STLOC_3);
5170 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5171 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5172 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5173 mono_mb_emit_icon (mb, sizeof (MonoObject));
5174 mono_mb_emit_byte (mb, CEE_ADD);
5175 mono_mb_emit_byte (mb, CEE_STLOC_1);
5177 /* emit conversion code */
5178 emit_struct_conv (mb, klass, TRUE);
5180 emit_struct_free (mb, klass, loc);
5182 /* Free the pointer allocated by unmanaged code */
5183 mono_mb_emit_ldloc (mb, loc);
5184 mono_mb_emit_icall (mb, g_free);
5185 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5190 g_assert_not_reached ();
5197 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5198 MonoMarshalSpec *spec,
5199 int conv_arg, MonoType **conv_arg_type,
5200 MarshalAction action)
5202 MonoMethodBuilder *mb = m->mb;
5203 MonoClass *klass = mono_class_from_mono_type (t);
5204 gboolean need_convert, need_free;
5207 case MARSHAL_ACTION_CONV_IN:
5208 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5209 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5211 if (klass->element_class->blittable) {
5212 mono_mb_emit_ldarg (mb, argnum);
5214 mono_mb_emit_byte (mb, CEE_LDIND_I);
5215 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5216 mono_mb_emit_stloc (mb, conv_arg);
5220 guint32 label1, label2, label3;
5221 int index_var, src_var, dest_ptr, esize;
5222 MonoMarshalNative encoding;
5223 MonoMarshalConv conv;
5224 gboolean is_string = FALSE;
5226 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5228 eklass = klass->element_class;
5230 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5231 if (eklass == mono_defaults.string_class) {
5233 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5235 else if (eklass == mono_defaults.stringbuilder_class) {
5237 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5242 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5243 mono_mb_emit_ldarg (mb, argnum);
5245 mono_mb_emit_byte (mb, CEE_LDIND_I);
5246 mono_mb_emit_stloc (mb, src_var);
5249 mono_mb_emit_ldloc (mb, src_var);
5250 mono_mb_emit_stloc (mb, conv_arg);
5251 mono_mb_emit_ldloc (mb, src_var);
5252 mono_mb_emit_byte (mb, CEE_BRFALSE);
5254 mono_mb_emit_i4 (mb, 0);
5258 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5259 MonoException *exc = mono_get_exception_not_implemented (msg);
5262 mono_raise_exception (exc);
5267 esize = sizeof (gpointer);
5269 esize = mono_class_native_size (eklass, NULL);
5271 /* allocate space for the native struct and store the address */
5272 mono_mb_emit_icon (mb, esize);
5273 mono_mb_emit_ldloc (mb, src_var);
5274 mono_mb_emit_byte (mb, CEE_LDLEN);
5276 if (eklass == mono_defaults.string_class) {
5277 /* Make the array bigger for the terminating null */
5278 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5279 mono_mb_emit_byte (mb, CEE_ADD);
5281 mono_mb_emit_byte (mb, CEE_MUL);
5282 mono_mb_emit_byte (mb, CEE_PREFIX1);
5283 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5284 mono_mb_emit_stloc (mb, conv_arg);
5286 mono_mb_emit_ldloc (mb, conv_arg);
5287 mono_mb_emit_stloc (mb, dest_ptr);
5289 /* Emit marshalling loop */
5290 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5291 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5292 mono_mb_emit_stloc (mb, index_var);
5294 mono_mb_emit_ldloc (mb, index_var);
5295 mono_mb_emit_ldloc (mb, src_var);
5296 mono_mb_emit_byte (mb, CEE_LDLEN);
5297 mono_mb_emit_byte (mb, CEE_BGE);
5299 mono_mb_emit_i4 (mb, 0);
5301 /* Emit marshalling code */
5304 mono_mb_emit_ldloc (mb, dest_ptr);
5305 mono_mb_emit_ldloc (mb, src_var);
5306 mono_mb_emit_ldloc (mb, index_var);
5307 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5308 mono_mb_emit_icall (mb, conv_to_icall (conv));
5309 mono_mb_emit_byte (mb, CEE_STIND_I);
5312 /* set the src_ptr */
5313 mono_mb_emit_ldloc (mb, src_var);
5314 mono_mb_emit_ldloc (mb, index_var);
5315 mono_mb_emit_byte (mb, CEE_LDELEMA);
5316 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5317 mono_mb_emit_byte (mb, CEE_STLOC_0);
5320 mono_mb_emit_ldloc (mb, dest_ptr);
5321 mono_mb_emit_byte (mb, CEE_STLOC_1);
5323 /* emit valuetype conversion code */
5324 emit_struct_conv (mb, eklass, FALSE);
5327 mono_mb_emit_add_to_local (mb, index_var, 1);
5328 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5330 mono_mb_emit_byte (mb, CEE_BR);
5331 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5333 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5335 if (eklass == mono_defaults.string_class) {
5336 /* Null terminate */
5337 mono_mb_emit_ldloc (mb, dest_ptr);
5338 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5339 mono_mb_emit_byte (mb, CEE_STIND_REF);
5342 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5347 case MARSHAL_ACTION_CONV_OUT:
5348 /* Character arrays are implicitly marshalled as [Out] */
5349 need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
5350 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5353 if (need_convert || need_free) {
5354 /* FIXME: Optimize blittable case */
5356 guint32 label1, label2, label3;
5357 int index_var, src_ptr, loc, esize;
5359 eklass = klass->element_class;
5360 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5361 esize = sizeof (gpointer);
5363 esize = mono_class_native_size (eklass, NULL);
5364 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5365 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5368 mono_mb_emit_ldarg (mb, argnum);
5370 mono_mb_emit_byte (mb, CEE_LDIND_I);
5371 mono_mb_emit_byte (mb, CEE_BRFALSE);
5373 mono_mb_emit_i4 (mb, 0);
5375 mono_mb_emit_ldloc (mb, conv_arg);
5376 mono_mb_emit_stloc (mb, src_ptr);
5378 /* Emit marshalling loop */
5379 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5380 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5381 mono_mb_emit_stloc (mb, index_var);
5383 mono_mb_emit_ldloc (mb, index_var);
5384 mono_mb_emit_ldarg (mb, argnum);
5386 mono_mb_emit_byte (mb, CEE_LDIND_I);
5387 mono_mb_emit_byte (mb, CEE_LDLEN);
5388 mono_mb_emit_byte (mb, CEE_BGE);
5390 mono_mb_emit_i4 (mb, 0);
5392 /* Emit marshalling code */
5394 if (eklass == mono_defaults.stringbuilder_class) {
5395 gboolean need_free2;
5396 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5398 g_assert (conv != -1);
5401 mono_mb_emit_ldarg (mb, argnum);
5403 mono_mb_emit_byte (mb, CEE_LDIND_I);
5404 mono_mb_emit_ldloc (mb, index_var);
5405 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5408 mono_mb_emit_ldloc (mb, src_ptr);
5409 mono_mb_emit_byte (mb, CEE_LDIND_I);
5411 mono_mb_emit_icall (mb, conv_to_icall (conv));
5415 mono_mb_emit_ldloc (mb, src_ptr);
5416 mono_mb_emit_byte (mb, CEE_LDIND_I);
5418 mono_mb_emit_icall (mb, mono_marshal_free);
5421 else if (eklass == mono_defaults.string_class) {
5424 mono_mb_emit_ldloc (mb, src_ptr);
5425 mono_mb_emit_byte (mb, CEE_LDIND_I);
5427 mono_mb_emit_icall (mb, mono_marshal_free);
5432 /* set the src_ptr */
5433 mono_mb_emit_ldloc (mb, src_ptr);
5434 mono_mb_emit_byte (mb, CEE_STLOC_0);
5437 mono_mb_emit_ldarg (mb, argnum);
5439 mono_mb_emit_byte (mb, CEE_LDIND_I);
5440 mono_mb_emit_ldloc (mb, index_var);
5441 mono_mb_emit_byte (mb, CEE_LDELEMA);
5442 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5443 mono_mb_emit_byte (mb, CEE_STLOC_1);
5445 /* emit valuetype conversion code */
5446 emit_struct_conv (mb, eklass, TRUE);
5450 mono_mb_emit_ldloc (mb, src_ptr);
5451 mono_mb_emit_stloc (mb, loc);
5452 mono_mb_emit_ldloc (mb, loc);
5454 emit_struct_free (mb, eklass, loc);
5458 mono_mb_emit_add_to_local (mb, index_var, 1);
5459 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5461 mono_mb_emit_byte (mb, CEE_BR);
5462 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5464 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5465 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5469 case MARSHAL_ACTION_CONV_RESULT:
5470 /* fixme: we need conversions here */
5471 mono_mb_emit_byte (mb, CEE_STLOC_3);
5474 g_assert_not_reached ();
5481 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5482 MonoMarshalSpec *spec,
5483 int conv_arg, MonoType **conv_arg_type,
5484 MarshalAction action)
5486 MonoMethodBuilder *mb = m->mb;
5489 case MARSHAL_ACTION_CONV_IN: {
5490 MonoType *local_type;
5491 int variant_bool = 0;
5495 local_type = &mono_defaults.int32_class->byval_arg;
5497 switch (spec->native) {
5498 case MONO_NATIVE_I1:
5499 local_type = &mono_defaults.byte_class->byval_arg;
5501 case MONO_NATIVE_VARIANTBOOL:
5502 local_type = &mono_defaults.int16_class->byval_arg;
5506 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5507 local_type = &mono_defaults.int32_class->byval_arg;
5511 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5512 conv_arg = mono_mb_add_local (mb, local_type);
5513 mono_mb_emit_ldarg (mb, argnum);
5514 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5516 mono_mb_emit_byte (mb, CEE_NEG);
5517 mono_mb_emit_stloc (mb, conv_arg);
5521 case MARSHAL_ACTION_CONV_RESULT:
5522 /* maybe we need to make sure that it fits within 8 bits */
5523 mono_mb_emit_byte (mb, CEE_STLOC_3);
5527 g_assert_not_reached ();
5534 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5535 MonoMarshalSpec *spec, int conv_arg,
5536 MonoType **conv_arg_type, MarshalAction action)
5538 /* Ensure that we have marshalling info for this param */
5539 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5541 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5542 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5544 if (spec && spec->native == MONO_NATIVE_ASANY)
5545 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5548 case MONO_TYPE_VALUETYPE:
5549 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5550 case MONO_TYPE_STRING:
5551 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5552 case MONO_TYPE_CLASS:
5553 case MONO_TYPE_OBJECT:
5554 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5555 case MONO_TYPE_ARRAY:
5556 case MONO_TYPE_SZARRAY:
5557 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5558 case MONO_TYPE_BOOLEAN:
5559 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5566 * mono_marshal_get_native_wrapper:
5567 * @method: The MonoMethod to wrap.
5569 * generates IL code for the pinvoke wrapper (the generated method
5570 * calls the unmanaged code in piinfo->addr)
5573 mono_marshal_get_native_wrapper (MonoMethod *method)
5575 EmitMarshalContext m;
5576 MonoMethodSignature *sig, *csig;
5577 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5578 MonoMethodBuilder *mb;
5579 MonoMarshalSpec **mspecs;
5583 gboolean pinvoke = FALSE;
5584 int i, argnum, *tmp_locals;
5586 const char *exc_class = "MissingMethodException";
5587 const char *exc_arg = NULL;
5589 g_assert (method != NULL);
5590 g_assert (method->signature->pinvoke);
5592 cache = method->klass->image->native_wrapper_cache;
5593 if ((res = mono_marshal_find_in_cache (cache, method)))
5596 sig = method->signature;
5598 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5599 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5602 if (!piinfo->addr) {
5604 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
5606 piinfo->addr = mono_lookup_internal_call (method);
5609 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5611 mb->method->save_lmf = 1;
5613 if (!piinfo->addr) {
5614 mono_mb_emit_exception (mb, exc_class, exc_arg);
5615 csig = mono_metadata_signature_dup (sig);
5617 res = mono_mb_create_and_cache (cache, method,
5618 mb, csig, csig->param_count + 16);
5626 /* internal calls: we simply push all arguments and call the method (no conversions) */
5627 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5629 /* hack - string constructors returns a value */
5630 if (method->string_ctor) {
5631 csig = mono_metadata_signature_dup (sig);
5632 csig->ret = &mono_defaults.string_class->byval_arg;
5637 mono_mb_emit_byte (mb, CEE_LDARG_0);
5639 for (i = 0; i < sig->param_count; i++)
5640 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5642 g_assert (piinfo->addr);
5643 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5644 emit_thread_interrupt_checkpoint (mb);
5645 mono_mb_emit_byte (mb, CEE_RET);
5647 csig = mono_metadata_signature_dup (csig);
5649 res = mono_mb_create_and_cache (cache, method,
5650 mb, csig, csig->param_count + 16);
5657 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
5658 mono_method_get_marshal_info (method, mspecs);
5660 /* pinvoke: we need to convert the arguments if necessary */
5662 /* we copy the signature, so that we can set pinvoke to 0 */
5663 csig = mono_metadata_signature_dup (sig);
5666 /* we allocate local for use with emit_struct_conv() */
5667 /* allocate local 0 (pointer) src_ptr */
5668 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5669 /* allocate local 1 (pointer) dst_ptr */
5670 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5671 /* allocate local 2 (boolean) delete_old */
5672 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5674 /* delete_old = FALSE */
5675 mono_mb_emit_icon (mb, 0);
5676 mono_mb_emit_byte (mb, CEE_STLOC_2);
5678 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5679 /* allocate local 3 to store the return value */
5680 mono_mb_add_local (mb, sig->ret);
5683 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5684 /* Return type custom marshaling */
5686 * Since we can't determine the return type of the unmanaged function,
5687 * we assume it returns a pointer, and pass that pointer to
5688 * MarshalNativeToManaged.
5690 csig->ret = &mono_defaults.int_class->byval_arg;
5693 /* we first do all conversions */
5694 tmp_locals = alloca (sizeof (int) * sig->param_count);
5695 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5697 for (i = 0; i < sig->param_count; i ++) {
5698 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5701 /* push all arguments */
5704 mono_mb_emit_byte (mb, CEE_LDARG_0);
5706 for (i = 0; i < sig->param_count; i++) {
5707 MonoType *t = sig->params [i];
5708 MonoMarshalSpec *spec = mspecs [i + 1];
5710 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5711 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5713 argnum = i + sig->hasthis;
5716 case MONO_TYPE_BOOLEAN:
5718 g_assert (tmp_locals [i]);
5719 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5721 mono_mb_emit_ldarg (mb, argnum);
5736 mono_mb_emit_ldarg (mb, argnum);
5738 case MONO_TYPE_VALUETYPE:
5739 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5741 case MONO_TYPE_STRING:
5742 case MONO_TYPE_CLASS:
5743 case MONO_TYPE_OBJECT:
5744 case MONO_TYPE_ARRAY:
5745 case MONO_TYPE_SZARRAY:
5746 g_assert (tmp_locals [i]);
5748 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5750 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5752 case MONO_TYPE_CHAR:
5753 /* fixme: dont know how to marshal that. We cant simply
5754 * convert it to a one byte UTF8 character, because an
5755 * unicode character may need more that one byte in UTF8 */
5756 mono_mb_emit_ldarg (mb, argnum);
5758 case MONO_TYPE_TYPEDBYREF:
5759 case MONO_TYPE_FNPTR:
5761 g_warning ("type 0x%02x unknown", t->type);
5762 g_assert_not_reached ();
5767 /* call the native method */
5768 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5770 /* Set LastError if needed */
5771 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5772 MonoMethodSignature *lasterr_sig;
5774 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5775 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5776 lasterr_sig->pinvoke = 1;
5778 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
5781 /* convert the result */
5782 if (!sig->ret->byref) {
5783 MonoMarshalSpec *spec = mspecs [0];
5784 type = sig->ret->type;
5786 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
5787 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5792 case MONO_TYPE_VOID:
5807 /* no conversions necessary */
5808 mono_mb_emit_byte (mb, CEE_STLOC_3);
5810 case MONO_TYPE_VALUETYPE:
5811 klass = sig->ret->data.klass;
5812 if (klass->enumtype) {
5813 type = sig->ret->data.klass->enum_basetype->type;
5816 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5818 case MONO_TYPE_STRING:
5819 case MONO_TYPE_CLASS:
5820 case MONO_TYPE_OBJECT:
5821 case MONO_TYPE_BOOLEAN:
5822 case MONO_TYPE_ARRAY:
5823 case MONO_TYPE_SZARRAY:
5824 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5826 case MONO_TYPE_CHAR:
5827 /* fixme: we need conversions here */
5828 mono_mb_emit_byte (mb, CEE_STLOC_3);
5830 case MONO_TYPE_TYPEDBYREF:
5831 case MONO_TYPE_FNPTR:
5833 g_warning ("return type 0x%02x unknown", sig->ret->type);
5834 g_assert_not_reached ();
5838 mono_mb_emit_byte (mb, CEE_STLOC_3);
5842 * Need to call this after converting the result since MONO_VTADDR needs
5843 * to be adjacent to the call instruction.
5845 emit_thread_interrupt_checkpoint (mb);
5847 /* we need to convert byref arguments back and free string arrays */
5848 for (i = 0; i < sig->param_count; i++) {
5849 MonoType *t = sig->params [i];
5850 MonoMarshalSpec *spec = mspecs [i + 1];
5852 argnum = i + sig->hasthis;
5854 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
5855 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5860 case MONO_TYPE_STRING:
5861 case MONO_TYPE_VALUETYPE:
5862 case MONO_TYPE_CLASS:
5863 case MONO_TYPE_OBJECT:
5864 case MONO_TYPE_SZARRAY:
5865 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5867 case MONO_TYPE_BOOLEAN:
5870 mono_mb_emit_ldarg (mb, argnum);
5871 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5872 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
5873 mono_mb_emit_byte (mb, CEE_NEG);
5874 mono_mb_emit_byte (mb, CEE_STIND_I1);
5878 if (!MONO_TYPE_IS_VOID(sig->ret))
5879 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5881 mono_mb_emit_byte (mb, CEE_RET);
5883 csig = mono_metadata_signature_dup (sig);
5885 res = mono_mb_create_and_cache (cache, method,
5886 mb, csig, csig->param_count + 16);
5889 for (i = sig->param_count; i >= 0; i--)
5890 g_free (mspecs [i]);
5893 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
5899 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
5901 static MonoReflectionType *
5902 type_from_handle (MonoType *handle)
5904 MonoDomain *domain = mono_domain_get ();
5905 MonoClass *klass = mono_class_from_mono_type (handle);
5907 MONO_ARCH_SAVE_REGS;
5909 mono_class_init (klass);
5910 return mono_type_get_object (domain, handle);
5914 * mono_marshal_get_isinst:
5915 * @klass: the type of the field
5917 * This method generates a function which can be used to check if an object is
5918 * an instance of the given type, icluding the case where the object is a proxy.
5919 * The generated function has the following signature:
5920 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
5923 mono_marshal_get_isinst (MonoClass *klass)
5925 static MonoMethodSignature *isint_sig = NULL;
5926 static GHashTable *isinst_hash = NULL;
5928 int pos_was_ok, pos_failed, pos_end, pos_end2;
5930 MonoMethodBuilder *mb;
5932 EnterCriticalSection (&marshal_mutex);
5934 isinst_hash = g_hash_table_new (NULL, NULL);
5936 res = g_hash_table_lookup (isinst_hash, klass);
5937 LeaveCriticalSection (&marshal_mutex);
5942 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5943 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
5944 isint_sig->ret = &mono_defaults.object_class->byval_arg;
5945 isint_sig->pinvoke = 0;
5948 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
5949 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
5952 mb->method->save_lmf = 1;
5954 /* check if the object is a proxy that needs special cast */
5955 mono_mb_emit_ldarg (mb, 0);
5956 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5957 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
5958 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5960 /* The result of MONO_ISINST can be:
5961 0) the type check succeeded
5962 1) the type check did not succeed
5963 2) a CanCastTo call is needed */
5965 mono_mb_emit_byte (mb, CEE_DUP);
5966 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
5968 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
5969 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
5971 /* get the real proxy from the transparent proxy*/
5973 mono_mb_emit_ldarg (mb, 0);
5974 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
5975 pos_end = mono_mb_emit_branch (mb, CEE_BR);
5979 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5980 mono_mb_emit_byte (mb, CEE_LDNULL);
5981 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
5985 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
5986 mono_mb_emit_byte (mb, CEE_POP);
5987 mono_mb_emit_ldarg (mb, 0);
5991 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
5992 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
5993 mono_mb_emit_byte (mb, CEE_RET);
5995 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6002 * mono_marshal_get_castclass:
6003 * @klass: the type of the field
6005 * This method generates a function which can be used to cast an object to
6006 * an instance of the given type, icluding the case where the object is a proxy.
6007 * The generated function has the following signature:
6008 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6011 mono_marshal_get_castclass (MonoClass *klass)
6013 static MonoMethodSignature *castclass_sig = NULL;
6014 static GHashTable *castclass_hash = NULL;
6016 int pos_was_ok, pos_was_ok2;
6018 MonoMethodBuilder *mb;
6020 EnterCriticalSection (&marshal_mutex);
6021 if (!castclass_hash)
6022 castclass_hash = g_hash_table_new (NULL, NULL);
6024 res = g_hash_table_lookup (castclass_hash, klass);
6025 LeaveCriticalSection (&marshal_mutex);
6029 if (!castclass_sig) {
6030 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6031 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6032 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6033 castclass_sig->pinvoke = 0;
6036 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6037 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6040 mb->method->save_lmf = 1;
6042 /* check if the object is a proxy that needs special cast */
6043 mono_mb_emit_ldarg (mb, 0);
6044 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6045 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6046 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6048 /* The result of MONO_ISINST can be:
6049 0) the cast is valid
6050 1) cast of unknown proxy type
6051 or an exception if the cast is is invalid
6054 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6056 /* get the real proxy from the transparent proxy*/
6058 mono_mb_emit_ldarg (mb, 0);
6059 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6060 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6063 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6066 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6067 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6068 mono_mb_emit_ldarg (mb, 0);
6071 mono_mb_emit_byte (mb, CEE_RET);
6073 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6080 mono_marshal_get_proxy_cancast (MonoClass *klass)
6082 static MonoMethodSignature *from_handle_sig = NULL;
6083 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6084 static MonoMethodSignature *isint_sig = NULL;
6085 static GHashTable *proxy_isinst_hash = NULL;
6087 int pos_failed, pos_end;
6089 MonoMethod *can_cast_to;
6090 MonoMethodDesc *desc;
6091 MonoMethodBuilder *mb;
6093 EnterCriticalSection (&marshal_mutex);
6094 if (!proxy_isinst_hash)
6095 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6097 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6098 LeaveCriticalSection (&marshal_mutex);
6103 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6104 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6105 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6106 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6107 upgrade_proxy_sig->pinvoke = 1;
6109 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6110 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6111 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6113 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6114 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6115 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6116 isint_sig->pinvoke = 0;
6119 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6120 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6123 mb->method->save_lmf = 1;
6125 /* get the real proxy from the transparent proxy*/
6126 mono_mb_emit_ldarg (mb, 0);
6127 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6128 mono_mb_emit_byte (mb, CEE_LDIND_I);
6130 /* get the refletion type from the type handle */
6131 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6132 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6133 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6134 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6136 mono_mb_emit_ldarg (mb, 0);
6138 /* make the call to CanCastTo (type, ob) */
6139 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6140 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6141 g_assert (can_cast_to);
6142 mono_method_desc_free (desc);
6143 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6144 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6147 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6149 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6150 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6151 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6152 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6153 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6154 mono_mb_emit_ldarg (mb, 0);
6156 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6157 emit_thread_interrupt_checkpoint (mb);
6159 mono_mb_emit_ldarg (mb, 0);
6160 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6164 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6165 mono_mb_emit_byte (mb, CEE_LDNULL);
6169 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6170 mono_mb_emit_byte (mb, CEE_RET);
6172 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6179 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6182 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6183 klass = mono_class_from_mono_type (rtype->type);
6184 mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
6185 ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
6189 * mono_marshal_get_struct_to_ptr:
6192 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6195 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6197 MonoMethodBuilder *mb;
6198 static MonoMethod *stoptr = NULL;
6201 g_assert (klass != NULL);
6203 mono_marshal_load_type_info (klass);
6205 if (klass->str_to_ptr)
6206 return klass->str_to_ptr;
6209 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6212 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6214 if (klass->blittable) {
6215 mono_mb_emit_byte (mb, CEE_LDARG_1);
6216 mono_mb_emit_byte (mb, CEE_LDARG_0);
6217 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6218 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6219 mono_mb_emit_byte (mb, CEE_PREFIX1);
6220 mono_mb_emit_byte (mb, CEE_CPBLK);
6223 /* allocate local 0 (pointer) src_ptr */
6224 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6225 /* allocate local 1 (pointer) dst_ptr */
6226 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6227 /* allocate local 2 (boolean) delete_old */
6228 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6229 mono_mb_emit_byte (mb, CEE_LDARG_2);
6230 mono_mb_emit_byte (mb, CEE_STLOC_2);
6232 /* initialize src_ptr to point to the start of object data */
6233 mono_mb_emit_byte (mb, CEE_LDARG_0);
6234 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6235 mono_mb_emit_byte (mb, CEE_STLOC_0);
6237 /* initialize dst_ptr */
6238 mono_mb_emit_byte (mb, CEE_LDARG_1);
6239 mono_mb_emit_byte (mb, CEE_STLOC_1);
6241 emit_struct_conv (mb, klass, FALSE);
6244 mono_mb_emit_byte (mb, CEE_RET);
6246 res = mono_mb_create_method (mb, stoptr->signature, 0);
6249 klass->str_to_ptr = res;
6254 * mono_marshal_get_ptr_to_struct:
6257 * generates IL code for PtrToStructure (IntPtr src, object structure)
6260 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6262 MonoMethodBuilder *mb;
6263 static MonoMethod *ptostr = NULL;
6266 g_assert (klass != NULL);
6268 mono_marshal_load_type_info (klass);
6270 if (klass->ptr_to_str)
6271 return klass->ptr_to_str;
6274 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6277 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6279 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6280 mono_mb_emit_byte (mb, CEE_LDARG_1);
6281 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6282 mono_mb_emit_byte (mb, CEE_LDARG_0);
6283 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6284 mono_mb_emit_byte (mb, CEE_PREFIX1);
6285 mono_mb_emit_byte (mb, CEE_CPBLK);
6288 /* allocate local 0 (pointer) src_ptr */
6289 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6290 /* allocate local 1 (pointer) dst_ptr */
6291 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6293 /* initialize src_ptr to point to the start of object data */
6294 mono_mb_emit_byte (mb, CEE_LDARG_0);
6295 mono_mb_emit_byte (mb, CEE_STLOC_0);
6297 /* initialize dst_ptr */
6298 mono_mb_emit_byte (mb, CEE_LDARG_1);
6299 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6300 mono_mb_emit_byte (mb, CEE_STLOC_1);
6302 emit_struct_conv (mb, klass, TRUE);
6305 mono_mb_emit_byte (mb, CEE_RET);
6307 res = mono_mb_create_method (mb, ptostr->signature, 0);
6310 klass->ptr_to_str = res;
6315 * generates IL code for the synchronized wrapper: the generated method
6316 * calls METHOD while locking 'this' or the parent type.
6319 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6321 static MonoMethodSignature *from_handle_sig = NULL;
6322 static MonoMethod *enter_method, *exit_method;
6323 MonoMethodSignature *sig;
6324 MonoExceptionClause *clause;
6325 MonoMethodHeader *header;
6326 MonoMethodBuilder *mb;
6329 int i, pos, this_local, ret_local = 0;
6333 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6336 cache = method->klass->image->synchronized_cache;
6337 if ((res = mono_marshal_find_in_cache (cache, method)))
6340 sig = signature_no_pinvoke (method->signature);
6342 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6345 if (!MONO_TYPE_IS_VOID (sig->ret))
6346 ret_local = mono_mb_add_local (mb, sig->ret);
6349 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6351 clause = g_new0 (MonoExceptionClause, 1);
6352 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6354 if (!enter_method) {
6355 MonoMethodDesc *desc;
6357 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6358 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6359 g_assert (enter_method);
6360 mono_method_desc_free (desc);
6361 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6362 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6363 g_assert (exit_method);
6364 mono_method_desc_free (desc);
6367 * GetTypeFromHandle isn't called as a managed method because it has
6368 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6369 * transformed into something else by the JIT.
6371 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6372 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6373 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6376 /* Push this or the type object */
6377 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
6378 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6379 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6380 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
6381 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6384 mono_mb_emit_ldarg (mb, 0);
6385 mono_mb_emit_stloc (mb, this_local);
6387 /* Call Monitor::Enter() */
6388 mono_mb_emit_ldloc (mb, this_local);
6389 mono_mb_emit_managed_call (mb, enter_method, NULL);
6391 clause->try_offset = mb->pos;
6393 /* Call the method */
6395 mono_mb_emit_ldarg (mb, 0);
6396 for (i = 0; i < sig->param_count; i++)
6397 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
6399 /* this is needed to avoid recursion */
6400 mono_mb_emit_byte (mb, CEE_PREFIX1);
6401 mono_mb_emit_byte (mb, CEE_LDFTN);
6402 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
6403 mono_mb_emit_calli (mb, method->signature);
6405 if (!MONO_TYPE_IS_VOID (sig->ret))
6406 mono_mb_emit_stloc (mb, ret_local);
6408 mono_mb_emit_byte (mb, CEE_LEAVE);
6410 mono_mb_emit_i4 (mb, 0);
6412 clause->try_len = mb->pos - clause->try_offset;
6413 clause->handler_offset = mb->pos;
6415 /* Call Monitor::Exit() */
6416 mono_mb_emit_ldloc (mb, this_local);
6417 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
6418 mono_mb_emit_managed_call (mb, exit_method, NULL);
6419 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
6421 clause->handler_len = mb->pos - clause->handler_offset;
6423 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6424 if (!MONO_TYPE_IS_VOID (sig->ret))
6425 mono_mb_emit_ldloc (mb, ret_local);
6426 mono_mb_emit_byte (mb, CEE_RET);
6428 res = mono_mb_create_and_cache (cache, method,
6429 mb, sig, sig->param_count + 16);
6432 header = ((MonoMethodNormal *)res)->header;
6433 header->num_clauses = 1;
6434 header->clauses = clause;
6441 * the returned method calls 'method' unboxing the this argument
6444 mono_marshal_get_unbox_wrapper (MonoMethod *method)
6446 MonoMethodSignature *sig = method->signature;
6448 MonoMethodBuilder *mb;
6452 cache = method->klass->image->unbox_wrapper_cache;
6453 if ((res = mono_marshal_find_in_cache (cache, method)))
6456 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
6458 g_assert (sig->hasthis);
6460 mono_mb_emit_ldarg (mb, 0);
6461 mono_mb_emit_icon (mb, sizeof (MonoObject));
6462 mono_mb_emit_byte (mb, CEE_ADD);
6463 for (i = 0; i < sig->param_count; ++i)
6464 mono_mb_emit_ldarg (mb, i + 1);
6465 mono_mb_emit_managed_call (mb, method, NULL);
6466 mono_mb_emit_byte (mb, CEE_RET);
6468 res = mono_mb_create_and_cache (cache, method,
6469 mb, sig, sig->param_count + 16);
6472 /* printf ("CODE FOR %s: \n%s.\n", mono_method_full_name (res, TRUE), mono_disasm_code (0, res, ((MonoMethodNormal*)res)->header->code, ((MonoMethodNormal*)res)->header->code + ((MonoMethodNormal*)res)->header->code_size)); */
6478 mono_marshal_get_stelemref ()
6480 static MonoMethod* ret = NULL;
6481 MonoMethodSignature *sig;
6482 MonoMethodBuilder *mb;
6484 guint32 b1, b2, b3, b4;
6487 int array_slot_addr;
6492 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
6495 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
6497 /* void stelemref (void* array, int idx, void* value) */
6498 sig->ret = &mono_defaults.void_class->byval_arg;
6499 sig->params [0] = &mono_defaults.object_class->byval_arg;
6500 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
6501 sig->params [2] = &mono_defaults.object_class->byval_arg;
6503 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6504 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6505 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
6509 <ldelema (bound check)>
6513 aklass = array->vtable->klass->element_class;
6514 vklass = value->vtable->klass;
6516 if (vklass->idepth < aklass->idepth)
6519 if (vklass->supertypes [aklass->idepth - 1] != aklass)
6523 *array_slot_addr = value;
6527 if (mono_object_isinst (value, aklass))
6530 throw new ArrayTypeMismatchException ();
6533 /* ldelema (implicit bound check) */
6534 mono_mb_emit_ldarg (mb, 0);
6535 mono_mb_emit_ldarg (mb, 1);
6536 mono_mb_emit_byte (mb, CEE_LDELEMA);
6537 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
6538 mono_mb_emit_stloc (mb, array_slot_addr);
6540 /* if (!value) goto do_store */
6541 mono_mb_emit_ldarg (mb, 2);
6542 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6544 /* aklass = array->vtable->klass->element_class */
6545 mono_mb_emit_ldarg (mb, 0);
6546 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6547 mono_mb_emit_byte (mb, CEE_LDIND_I);
6548 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6549 mono_mb_emit_byte (mb, CEE_LDIND_I);
6550 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
6551 mono_mb_emit_byte (mb, CEE_LDIND_I);
6552 mono_mb_emit_stloc (mb, aklass);
6554 /* vklass = value->vtable->klass */
6555 mono_mb_emit_ldarg (mb, 2);
6556 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6557 mono_mb_emit_byte (mb, CEE_LDIND_I);
6558 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6559 mono_mb_emit_byte (mb, CEE_LDIND_I);
6560 mono_mb_emit_stloc (mb, vklass);
6562 /* if (vklass->idepth < aklass->idepth) goto failue */
6563 mono_mb_emit_ldloc (mb, vklass);
6564 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6565 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6567 mono_mb_emit_ldloc (mb, aklass);
6568 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6569 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6571 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
6573 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
6574 mono_mb_emit_ldloc (mb, vklass);
6575 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
6576 mono_mb_emit_byte (mb, CEE_LDIND_I);
6578 mono_mb_emit_ldloc (mb, aklass);
6579 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6580 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6581 mono_mb_emit_icon (mb, 1);
6582 mono_mb_emit_byte (mb, CEE_SUB);
6583 mono_mb_emit_icon (mb, sizeof (void*));
6584 mono_mb_emit_byte (mb, CEE_MUL);
6585 mono_mb_emit_byte (mb, CEE_ADD);
6586 mono_mb_emit_byte (mb, CEE_LDIND_I);
6588 mono_mb_emit_ldloc (mb, aklass);
6590 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
6594 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
6595 mono_mb_emit_ldloc (mb, array_slot_addr);
6596 mono_mb_emit_ldarg (mb, 2);
6597 mono_mb_emit_byte (mb, CEE_STIND_REF);
6599 mono_mb_emit_byte (mb, CEE_RET);
6602 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
6603 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
6605 mono_mb_emit_ldarg (mb, 2);
6606 mono_mb_emit_ldloc (mb, aklass);
6607 mono_mb_emit_icall (mb, mono_object_isinst);
6609 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6610 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
6611 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
6613 mono_mb_emit_byte (mb, CEE_RET);
6614 ret = mono_mb_create_method (mb, sig, 4);
6620 mono_marshal_alloc (gulong size)
6624 #ifdef PLATFORM_WIN32
6625 res = CoTaskMemAlloc (size);
6627 res = g_try_malloc ((gulong)size);
6629 mono_gc_out_of_memory ((gulong)size);
6635 mono_marshal_free (gpointer ptr)
6637 #ifdef PLATFORM_WIN32
6638 CoTaskMemFree (ptr);
6645 mono_marshal_free_array (gpointer *ptr, int size)
6652 for (i = 0; i < size; i++)
6658 mono_marshal_realloc (gpointer ptr, gpointer size)
6660 MONO_ARCH_SAVE_REGS;
6662 return g_try_realloc (ptr, (gulong)size);
6666 mono_marshal_string_to_utf16 (MonoString *s)
6668 return s ? mono_string_chars (s) : NULL;
6672 * mono_marshal_set_last_error:
6674 * This function is invoked to set the last error value from a P/Invoke call
6675 * which has SetLastError set.
6678 mono_marshal_set_last_error (void)
6681 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
6683 TlsSetValue (last_error_tls_id, (gpointer)errno);
6688 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
6689 gpointer dest, gint32 length)
6694 MONO_ARCH_SAVE_REGS;
6696 MONO_CHECK_ARG_NULL (src);
6697 MONO_CHECK_ARG_NULL (dest);
6699 g_assert (src->obj.vtable->klass->rank == 1);
6700 g_assert (start_index >= 0);
6701 g_assert (length >= 0);
6702 g_assert (start_index + length <= mono_array_length (src));
6704 element_size = mono_array_element_size (src->obj.vtable->klass);
6706 source_addr = mono_array_addr_with_size (src, element_size, start_index);
6708 memcpy (dest, source_addr, length * element_size);
6712 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
6713 MonoArray *dest, gint32 length)
6718 MONO_ARCH_SAVE_REGS;
6720 MONO_CHECK_ARG_NULL (src);
6721 MONO_CHECK_ARG_NULL (dest);
6723 g_assert (dest->obj.vtable->klass->rank == 1);
6724 g_assert (start_index >= 0);
6725 g_assert (length >= 0);
6726 g_assert (start_index + length <= mono_array_length (dest));
6728 element_size = mono_array_element_size (dest->obj.vtable->klass);
6730 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
6732 memcpy (dest_addr, src, length * element_size);
6735 #if NO_UNALIGNED_ACCESS
6736 #define RETURN_UNALIGNED(type, addr) \
6739 memcpy(&val, p + offset, sizeof(val)); \
6742 #define WRITE_UNALIGNED(type, addr, val) \
6743 memcpy(addr, &val, sizeof(type))
6745 #define RETURN_UNALIGNED(type, addr) \
6746 return *(type*)(p + offset);
6747 #define WRITE_UNALIGNED(type, addr, val) \
6748 (*(type *)(addr) = (val))
6752 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
6756 MONO_ARCH_SAVE_REGS;
6758 RETURN_UNALIGNED(gpointer, p + offset);
6762 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
6766 MONO_ARCH_SAVE_REGS;
6768 return *(unsigned char*)(p + offset);
6772 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
6776 MONO_ARCH_SAVE_REGS;
6778 RETURN_UNALIGNED(gint16, p + offset);
6782 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
6786 MONO_ARCH_SAVE_REGS;
6788 RETURN_UNALIGNED(gint32, p + offset);
6792 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
6796 MONO_ARCH_SAVE_REGS;
6798 RETURN_UNALIGNED(gint64, p + offset);
6802 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
6806 MONO_ARCH_SAVE_REGS;
6808 *(unsigned char*)(p + offset) = val;
6812 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
6816 MONO_ARCH_SAVE_REGS;
6818 WRITE_UNALIGNED(gpointer, p + offset, val);
6822 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
6826 MONO_ARCH_SAVE_REGS;
6828 WRITE_UNALIGNED(gint16, p + offset, val);
6832 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
6836 MONO_ARCH_SAVE_REGS;
6838 WRITE_UNALIGNED(gint32, p + offset, val);
6842 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
6846 MONO_ARCH_SAVE_REGS;
6848 WRITE_UNALIGNED(gint64, p + offset, val);
6852 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
6854 MONO_ARCH_SAVE_REGS;
6859 return mono_string_new (mono_domain_get (), ptr);
6863 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
6865 MONO_ARCH_SAVE_REGS;
6868 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6869 g_assert_not_reached ();
6872 return mono_string_new_len (mono_domain_get (), ptr, len);
6876 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
6878 MonoDomain *domain = mono_domain_get ();
6882 MONO_ARCH_SAVE_REGS;
6890 return mono_string_new_utf16 (domain, ptr, len);
6894 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
6896 MonoDomain *domain = mono_domain_get ();
6898 MONO_ARCH_SAVE_REGS;
6901 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6902 g_assert_not_reached ();
6905 return mono_string_new_utf16 (domain, ptr, len);
6909 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
6911 MONO_ARCH_SAVE_REGS;
6913 g_warning ("PtrToStringBSTR not implemented");
6914 g_assert_not_reached ();
6920 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
6922 MONO_ARCH_SAVE_REGS;
6924 return ((guint32)TlsGetValue (last_error_tls_id));
6928 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
6934 MONO_ARCH_SAVE_REGS;
6936 MONO_CHECK_ARG_NULL (rtype);
6939 klass = mono_class_from_mono_type (type);
6940 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
6942 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6946 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
6947 exc = mono_get_exception_argument ("t", msg);
6949 mono_raise_exception (exc);
6953 return mono_class_native_size (klass, NULL);
6957 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
6962 MONO_ARCH_SAVE_REGS;
6964 MONO_CHECK_ARG_NULL (obj);
6965 MONO_CHECK_ARG_NULL (dst);
6967 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
6971 pa [2] = &delete_old;
6973 mono_runtime_invoke (method, NULL, pa, NULL);
6977 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
6982 MONO_ARCH_SAVE_REGS;
6984 MONO_CHECK_ARG_NULL (src);
6985 MONO_CHECK_ARG_NULL (dst);
6987 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
6992 mono_runtime_invoke (method, NULL, pa, NULL);
6996 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
6998 MonoDomain *domain = mono_domain_get ();
7001 MONO_ARCH_SAVE_REGS;
7003 MONO_CHECK_ARG_NULL (src);
7004 MONO_CHECK_ARG_NULL (type);
7006 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7008 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7014 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7016 MonoMarshalType *info;
7019 int i, match_index = -1;
7021 MONO_ARCH_SAVE_REGS;
7023 MONO_CHECK_ARG_NULL (type);
7024 MONO_CHECK_ARG_NULL (field_name);
7026 fname = mono_string_to_utf8 (field_name);
7027 klass = mono_class_from_mono_type (type->type);
7029 while (klass && match_index == -1) {
7030 for (i = 0; i < klass->field.count; ++i) {
7031 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
7037 if (match_index == -1)
7038 klass = klass->parent;
7043 if(match_index == -1) {
7047 /* Get back original class instance */
7048 klass = mono_class_from_mono_type (type->type);
7050 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7051 exc = mono_get_exception_argument ("fieldName", tmp);
7054 mono_raise_exception ((MonoException*)exc);
7057 info = mono_marshal_load_type_info (klass);
7058 return info->fields [match_index].offset;
7062 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7064 MONO_ARCH_SAVE_REGS;
7066 return mono_string_to_utf8 (string);
7070 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7072 MONO_ARCH_SAVE_REGS;
7077 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7081 mono_struct_delete_old (MonoClass *klass, char *ptr)
7083 MonoMarshalType *info;
7086 info = mono_marshal_load_type_info (klass);
7088 for (i = 0; i < info->num_fields; i++) {
7089 MonoMarshalNative ntype;
7090 MonoMarshalConv conv;
7091 MonoType *ftype = info->fields [i].field->type;
7094 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7097 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7098 klass->unicode, &conv);
7100 cpos = ptr + info->fields [i].offset;
7103 case MONO_MARSHAL_CONV_NONE:
7104 if (MONO_TYPE_ISSTRUCT (ftype)) {
7105 mono_struct_delete_old (ftype->data.klass, cpos);
7109 case MONO_MARSHAL_CONV_STR_LPWSTR:
7110 case MONO_MARSHAL_CONV_STR_LPSTR:
7111 case MONO_MARSHAL_CONV_STR_LPTSTR:
7112 case MONO_MARSHAL_CONV_STR_BSTR:
7113 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7114 case MONO_MARSHAL_CONV_STR_TBSTR:
7115 mono_marshal_free (*(gpointer *)cpos);
7124 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7128 MONO_ARCH_SAVE_REGS;
7130 MONO_CHECK_ARG_NULL (src);
7131 MONO_CHECK_ARG_NULL (type);
7133 klass = mono_class_from_mono_type (type->type);
7135 mono_struct_delete_old (klass, (char *)src);
7139 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7141 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7145 MONO_ARCH_SAVE_REGS;
7147 if ((gulong)size == 0)
7148 /* This returns a valid pointer for size 0 on MS.NET */
7151 res = g_try_malloc ((gulong)size);
7153 mono_gc_out_of_memory ((gulong)size);
7159 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7161 MONO_ARCH_SAVE_REGS;
7167 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7169 MONO_ARCH_SAVE_REGS;
7171 #ifdef PLATFORM_WIN32
7172 return CoTaskMemAlloc (size);
7174 return g_try_malloc ((gulong)size);
7179 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7181 MONO_ARCH_SAVE_REGS;
7183 #ifdef PLATFORM_WIN32
7184 CoTaskMemFree (ptr);
7191 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7193 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7197 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7199 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7203 mono_marshal_load_type_info (MonoClass* klass)
7205 int i, j, count = 0, native_size = 0, min_align = 1;
7206 MonoMarshalType *info;
7209 g_assert (klass != NULL);
7211 if (klass->marshal_info)
7212 return klass->marshal_info;
7215 mono_class_init (klass);
7217 for (i = 0; i < klass->field.count; ++i) {
7218 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7220 if (mono_field_is_deleted (&klass->fields [i]))
7225 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7227 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7228 info->num_fields = count;
7230 /* Try to find a size for this type in metadata */
7231 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7233 if (klass->parent) {
7234 int parent_size = mono_class_native_size (klass->parent, NULL);
7236 /* Add parent size to real size */
7237 native_size += parent_size;
7238 info->native_size = parent_size;
7241 for (j = i = 0; i < klass->field.count; ++i) {
7244 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7247 if (mono_field_is_deleted (&klass->fields [i]))
7249 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7250 mono_metadata_field_info (klass->image, klass->field.first + i,
7251 NULL, NULL, &info->fields [j].mspec);
7253 info->fields [j].field = &klass->fields [i];
7255 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7256 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
7257 /* This field is a hack inserted by MCS to empty structures */
7262 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7263 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7264 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7265 &align, TRUE, klass->unicode);
7266 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7267 min_align = MAX (align, min_align);
7268 info->fields [j].offset = info->native_size;
7269 info->fields [j].offset += align - 1;
7270 info->fields [j].offset &= ~(align - 1);
7271 info->native_size = info->fields [j].offset + size;
7273 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7274 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7275 &align, TRUE, klass->unicode);
7276 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7277 min_align = MAX (align, min_align);
7278 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
7279 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7285 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7286 info->native_size = MAX (native_size, info->native_size);
7289 if (info->native_size & (min_align - 1)) {
7290 info->native_size += min_align - 1;
7291 info->native_size &= ~(min_align - 1);
7294 /* Update the class's blittable info, if the layouts don't match */
7295 if (info->native_size != mono_class_value_size (klass, NULL))
7296 klass->blittable = FALSE;
7298 /* If this is an array type, ensure that we have element info */
7299 if (klass->element_class) {
7300 mono_marshal_load_type_info (klass->element_class);
7303 return klass->marshal_info;
7307 * mono_class_native_size:
7310 * Returns: the native size of an object instance (when marshaled
7311 * to unmanaged code)
7314 mono_class_native_size (MonoClass *klass, guint32 *align)
7316 if (!klass->marshal_info)
7317 mono_marshal_load_type_info (klass);
7320 *align = klass->min_align;
7322 return klass->marshal_info->native_size;
7326 * mono_type_native_stack_size:
7327 * @t: the type to return the size it uses on the stack
7329 * Returns: the number of bytes required to hold an instance of this
7330 * type on the native stack
7333 mono_type_native_stack_size (MonoType *t, gint *align)
7337 g_assert (t != NULL);
7348 case MONO_TYPE_BOOLEAN:
7349 case MONO_TYPE_CHAR:
7358 case MONO_TYPE_STRING:
7359 case MONO_TYPE_OBJECT:
7360 case MONO_TYPE_CLASS:
7361 case MONO_TYPE_SZARRAY:
7363 case MONO_TYPE_FNPTR:
7364 case MONO_TYPE_ARRAY:
7365 case MONO_TYPE_TYPEDBYREF:
7376 case MONO_TYPE_VALUETYPE: {
7379 if (t->data.klass->enumtype)
7380 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
7382 size = mono_class_native_size (t->data.klass, align);
7383 *align = *align + 3;
7393 g_error ("type 0x%02x unknown", t->type);
7398 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
7399 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
7400 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
7401 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
7404 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
7405 gboolean as_field, gboolean unicode)
7407 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
7410 switch (native_type) {
7411 case MONO_NATIVE_BOOLEAN:
7414 case MONO_NATIVE_I1:
7415 case MONO_NATIVE_U1:
7418 case MONO_NATIVE_I2:
7419 case MONO_NATIVE_U2:
7420 case MONO_NATIVE_VARIANTBOOL:
7423 case MONO_NATIVE_I4:
7424 case MONO_NATIVE_U4:
7425 case MONO_NATIVE_ERROR:
7428 case MONO_NATIVE_I8:
7429 case MONO_NATIVE_U8:
7430 *align = ALIGNMENT(guint64);
7432 case MONO_NATIVE_R4:
7435 case MONO_NATIVE_R8:
7436 *align = ALIGNMENT(double);
7438 case MONO_NATIVE_INT:
7439 case MONO_NATIVE_UINT:
7440 case MONO_NATIVE_LPSTR:
7441 case MONO_NATIVE_LPWSTR:
7442 case MONO_NATIVE_LPTSTR:
7443 case MONO_NATIVE_BSTR:
7444 case MONO_NATIVE_ANSIBSTR:
7445 case MONO_NATIVE_TBSTR:
7446 case MONO_NATIVE_LPARRAY:
7447 case MONO_NATIVE_SAFEARRAY:
7448 case MONO_NATIVE_IUNKNOWN:
7449 case MONO_NATIVE_IDISPATCH:
7450 case MONO_NATIVE_INTERFACE:
7451 case MONO_NATIVE_ASANY:
7452 case MONO_NATIVE_FUNC:
7453 case MONO_NATIVE_LPSTRUCT:
7454 *align = ALIGNMENT(gpointer);
7455 return sizeof (gpointer);
7456 case MONO_NATIVE_STRUCT:
7457 klass = mono_class_from_mono_type (type);
7458 return mono_class_native_size (klass, align);
7459 case MONO_NATIVE_BYVALTSTR: {
7460 int esize = unicode ? 2: 1;
7463 return mspec->data.array_data.num_elem * esize;
7465 case MONO_NATIVE_BYVALARRAY: {
7467 klass = mono_class_from_mono_type (type);
7468 esize = mono_class_native_size (klass->element_class, align);
7470 return mspec->data.array_data.num_elem * esize;
7472 case MONO_NATIVE_CUSTOM:
7473 g_assert_not_reached ();
7475 case MONO_NATIVE_CURRENCY:
7476 case MONO_NATIVE_VBBYREFSTR:
7478 g_error ("native type %02x not implemented", native_type);
7481 g_assert_not_reached ();
7486 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
7494 t = &o->vtable->klass->byval_arg;
7501 case MONO_TYPE_BOOLEAN:
7504 case MONO_TYPE_CHAR:
7509 return mono_object_unbox (o);
7511 case MONO_TYPE_STRING:
7512 switch (string_encoding) {
7513 case MONO_NATIVE_LPWSTR:
7514 return mono_string_to_utf16 ((MonoString*)o);
7516 case MONO_NATIVE_LPSTR:
7517 return mono_string_to_lpstr ((MonoString*)o);
7520 g_warning ("marshaling conversion %d not implemented", string_encoding);
7521 g_assert_not_reached ();
7524 case MONO_TYPE_CLASS:
7525 case MONO_TYPE_VALUETYPE: {
7529 MonoBoolean delete_old = FALSE;
7531 klass = t->data.klass;
7533 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
7536 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7537 klass->blittable || klass->enumtype)
7538 return mono_object_unbox (o);
7540 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
7542 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
7546 pa [2] = &delete_old;
7548 mono_runtime_invoke (method, NULL, pa, NULL);
7554 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
7560 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
7568 t = &o->vtable->klass->byval_arg;
7570 case MONO_TYPE_STRING:
7571 switch (string_encoding) {
7572 case MONO_NATIVE_LPWSTR:
7573 case MONO_NATIVE_LPSTR:
7574 mono_marshal_free (ptr);
7577 g_warning ("marshaling conversion %d not implemented", string_encoding);
7578 g_assert_not_reached ();
7581 case MONO_TYPE_CLASS:
7582 case MONO_TYPE_VALUETYPE: {
7583 klass = t->data.klass;
7585 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7586 klass->blittable || klass->enumtype)
7589 mono_struct_delete_old (klass, ptr);
7591 mono_marshal_free (ptr);