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_CLASSCONST);
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_BYVALWSTR:
924 mono_mb_emit_byte (mb, CEE_LDLOC_1);
925 mono_mb_emit_byte (mb, CEE_LDLOC_0);
926 mono_mb_emit_icall (mb, mono_string_from_utf16);
927 mono_mb_emit_byte (mb, CEE_STIND_I);
929 case MONO_MARSHAL_CONV_STR_LPTSTR:
930 case MONO_MARSHAL_CONV_STR_LPSTR:
931 mono_mb_emit_byte (mb, CEE_LDLOC_1);
932 mono_mb_emit_byte (mb, CEE_LDLOC_0);
933 mono_mb_emit_byte (mb, CEE_LDIND_I);
934 mono_mb_emit_icall (mb, mono_string_new_wrapper);
935 mono_mb_emit_byte (mb, CEE_STIND_I);
937 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
938 MonoClass *klass = mono_class_from_mono_type (type);
939 int src_var, dst_var;
941 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
942 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
944 /* *dst = new object */
945 mono_mb_emit_byte (mb, CEE_LDLOC_1);
946 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
947 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
948 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
949 mono_mb_emit_byte (mb, CEE_STIND_I);
951 /* save the old src pointer */
952 mono_mb_emit_byte (mb, CEE_LDLOC_0);
953 mono_mb_emit_stloc (mb, src_var);
954 /* save the old dst pointer */
955 mono_mb_emit_byte (mb, CEE_LDLOC_1);
956 mono_mb_emit_stloc (mb, dst_var);
958 /* dst = pointer to newly created object data */
959 mono_mb_emit_byte (mb, CEE_LDLOC_1);
960 mono_mb_emit_byte (mb, CEE_LDIND_I);
961 mono_mb_emit_icon (mb, sizeof (MonoObject));
962 mono_mb_emit_byte (mb, CEE_ADD);
963 mono_mb_emit_byte (mb, CEE_STLOC_1);
965 emit_struct_conv (mb, klass, TRUE);
967 /* restore the old src pointer */
968 mono_mb_emit_ldloc (mb, src_var);
969 mono_mb_emit_byte (mb, CEE_STLOC_0);
970 /* restore the old dst pointer */
971 mono_mb_emit_ldloc (mb, dst_var);
972 mono_mb_emit_byte (mb, CEE_STLOC_1);
975 case MONO_MARSHAL_CONV_DEL_FTN: {
976 /* fixme: we never convert functions back to delegates, dont
977 // know if thats the correct behaviour
981 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
982 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
984 case MONO_MARSHAL_CONV_STR_LPWSTR:
985 case MONO_MARSHAL_CONV_STR_BSTR:
986 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
987 case MONO_MARSHAL_CONV_STR_TBSTR:
988 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
990 g_warning ("marshaling conversion %d not implemented", conv);
991 g_assert_not_reached ();
996 conv_to_icall (MonoMarshalConv conv)
999 case MONO_MARSHAL_CONV_STR_LPWSTR:
1000 return mono_marshal_string_to_utf16;
1001 case MONO_MARSHAL_CONV_LPWSTR_STR:
1002 return mono_string_from_utf16;
1003 case MONO_MARSHAL_CONV_LPSTR_STR:
1004 return mono_string_new_wrapper;
1005 case MONO_MARSHAL_CONV_STR_LPTSTR:
1006 case MONO_MARSHAL_CONV_STR_LPSTR:
1007 return mono_string_to_lpstr;
1008 case MONO_MARSHAL_CONV_STR_BSTR:
1009 return mono_string_to_bstr;
1010 case MONO_MARSHAL_CONV_STR_TBSTR:
1011 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1012 return mono_string_to_ansibstr;
1013 case MONO_MARSHAL_CONV_SB_LPSTR:
1014 case MONO_MARSHAL_CONV_SB_LPTSTR:
1015 return mono_string_builder_to_utf8;
1016 case MONO_MARSHAL_CONV_SB_LPWSTR:
1017 return mono_string_builder_to_utf16;
1018 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1019 return mono_array_to_savearray;
1020 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1021 return mono_array_to_lparray;
1022 case MONO_MARSHAL_CONV_DEL_FTN:
1023 return mono_delegate_to_ftnptr;
1024 case MONO_MARSHAL_CONV_FTN_DEL:
1025 return mono_ftnptr_to_delegate;
1026 case MONO_MARSHAL_CONV_LPSTR_SB:
1027 case MONO_MARSHAL_CONV_LPTSTR_SB:
1028 return mono_string_utf8_to_builder;
1029 case MONO_MARSHAL_CONV_LPWSTR_SB:
1030 return mono_string_utf16_to_builder;
1031 case MONO_MARSHAL_FREE_ARRAY:
1032 return mono_marshal_free_array;
1033 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1034 return mono_string_to_byvalstr;
1035 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1036 return mono_string_to_byvalwstr;
1038 g_assert_not_reached ();
1045 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1046 MonoMarshalSpec *mspec)
1051 case MONO_MARSHAL_CONV_BOOL_I4:
1052 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1053 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1054 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1055 mono_mb_emit_byte (mb, CEE_STIND_I4);
1057 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1058 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1059 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1060 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1061 mono_mb_emit_byte (mb, CEE_NEG);
1062 mono_mb_emit_byte (mb, CEE_STIND_I2);
1064 case MONO_MARSHAL_CONV_STR_LPWSTR:
1065 case MONO_MARSHAL_CONV_STR_LPSTR:
1066 case MONO_MARSHAL_CONV_STR_LPTSTR:
1067 case MONO_MARSHAL_CONV_STR_BSTR:
1068 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1069 case MONO_MARSHAL_CONV_STR_TBSTR: {
1072 /* free space if free == true */
1073 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1074 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1076 mono_mb_emit_byte (mb, 0);
1077 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1078 mono_mb_emit_byte (mb, CEE_LDIND_I);
1079 mono_mb_emit_icall (mb, g_free);
1080 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1082 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1083 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1084 mono_mb_emit_byte (mb, CEE_LDIND_I);
1085 mono_mb_emit_icall (mb, conv_to_icall (conv));
1086 mono_mb_emit_byte (mb, CEE_STIND_I);
1089 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1090 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1091 case MONO_MARSHAL_CONV_DEL_FTN:
1092 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1093 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1094 mono_mb_emit_byte (mb, CEE_LDIND_I);
1095 mono_mb_emit_icall (mb, conv_to_icall (conv));
1096 mono_mb_emit_byte (mb, CEE_STIND_I);
1098 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1099 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1103 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1104 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1105 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1106 mono_mb_emit_icon (mb, usize);
1107 mono_mb_emit_icall (mb, conv_to_icall (conv));
1110 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1111 MonoClass *eclass = NULL;
1114 if (type->type == MONO_TYPE_SZARRAY) {
1115 eclass = type->data.klass;
1117 g_assert_not_reached ();
1120 if (eclass->valuetype)
1121 esize = mono_class_native_size (eclass, NULL);
1123 esize = sizeof (gpointer);
1128 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1129 mono_mb_emit_byte (mb, CEE_LDIND_I);
1130 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1132 mono_mb_emit_byte (mb, 0);
1134 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1135 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1136 mono_mb_emit_byte (mb, CEE_LDIND_I);
1137 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1138 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1139 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1140 mono_mb_emit_byte (mb, CEE_ADD);
1141 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1142 mono_mb_emit_byte (mb, CEE_PREFIX1);
1143 mono_mb_emit_byte (mb, CEE_CPBLK);
1144 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1147 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1148 int src_var, dst_var;
1150 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1151 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1153 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1154 mono_mb_emit_byte (mb, CEE_LDIND_I);
1155 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1157 mono_mb_emit_byte (mb, 0);
1159 /* save the old src pointer */
1160 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1161 mono_mb_emit_stloc (mb, src_var);
1162 /* save the old dst pointer */
1163 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1164 mono_mb_emit_stloc (mb, dst_var);
1166 /* src = pointer to object data */
1167 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1168 mono_mb_emit_byte (mb, CEE_LDIND_I);
1169 mono_mb_emit_icon (mb, sizeof (MonoObject));
1170 mono_mb_emit_byte (mb, CEE_ADD);
1171 mono_mb_emit_byte (mb, CEE_STLOC_0);
1173 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1175 /* restore the old src pointer */
1176 mono_mb_emit_ldloc (mb, src_var);
1177 mono_mb_emit_byte (mb, CEE_STLOC_0);
1178 /* restore the old dst pointer */
1179 mono_mb_emit_ldloc (mb, dst_var);
1180 mono_mb_emit_byte (mb, CEE_STLOC_1);
1182 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1186 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1187 MonoException *exc = mono_get_exception_not_implemented (msg);
1190 mono_raise_exception (exc);
1196 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1198 MonoMarshalType *info;
1202 emit_struct_conv(mb, klass->parent, to_object);
1204 info = mono_marshal_load_type_info (klass);
1206 if (info->native_size == 0)
1209 if (klass->blittable) {
1210 int msize = mono_class_value_size (klass, NULL);
1211 g_assert (msize == info->native_size);
1212 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1213 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1214 mono_mb_emit_icon (mb, msize);
1215 mono_mb_emit_byte (mb, CEE_PREFIX1);
1216 mono_mb_emit_byte (mb, CEE_CPBLK);
1218 mono_mb_emit_add_to_local (mb, 0, msize);
1219 mono_mb_emit_add_to_local (mb, 1, msize);
1223 for (i = 0; i < info->num_fields; i++) {
1224 MonoMarshalNative ntype;
1225 MonoMarshalConv conv;
1226 MonoType *ftype = info->fields [i].field->type;
1229 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1231 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1234 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1237 msize = klass->instance_size - info->fields [i].field->offset;
1238 usize = info->native_size - info->fields [i].offset;
1240 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1241 usize = info->fields [i + 1].offset - info->fields [i].offset;
1243 if ((msize < 0) || (usize < 0))
1244 /* This happens with GC aware auto layout */
1245 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1247 g_assert ((msize >= 0) && (usize >= 0));
1250 case MONO_MARSHAL_CONV_NONE: {
1253 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1254 ftype->type == MONO_TYPE_U) {
1255 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1256 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1257 mono_mb_emit_byte (mb, CEE_LDIND_I);
1258 mono_mb_emit_byte (mb, CEE_STIND_I);
1267 #if SIZEOF_VOID_P == 4
1270 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1271 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1272 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1273 mono_mb_emit_byte (mb, CEE_STIND_I4);
1277 case MONO_TYPE_BOOLEAN:
1278 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1279 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1280 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1281 mono_mb_emit_byte (mb, CEE_STIND_I1);
1285 case MONO_TYPE_CHAR:
1286 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1287 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1288 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1289 mono_mb_emit_byte (mb, CEE_STIND_I2);
1293 #if SIZEOF_VOID_P == 8
1296 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1297 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1298 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1299 mono_mb_emit_byte (mb, CEE_STIND_I8);
1302 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1303 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1304 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1305 mono_mb_emit_byte (mb, CEE_STIND_R4);
1308 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1309 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1310 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1311 mono_mb_emit_byte (mb, CEE_STIND_R8);
1313 case MONO_TYPE_VALUETYPE:
1314 if (ftype->data.klass->enumtype) {
1315 t = ftype->data.klass->enum_basetype->type;
1318 emit_struct_conv (mb, ftype->data.klass, to_object);
1321 g_warning ("marshaling type %02x not implemented", ftype->type);
1322 g_assert_not_reached ();
1328 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1330 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1334 mono_mb_emit_add_to_local (mb, 0, usize);
1335 mono_mb_emit_add_to_local (mb, 1, msize);
1337 mono_mb_emit_add_to_local (mb, 0, msize);
1338 mono_mb_emit_add_to_local (mb, 1, usize);
1344 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1346 /* Call DestroyStructure */
1347 /* FIXME: Only do this if needed */
1348 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1349 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1350 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1351 mono_mb_emit_ldloc (mb, struct_var);
1352 mono_mb_emit_icall (mb, mono_struct_delete_old);
1356 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1360 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1361 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1362 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1363 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1364 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1366 mono_mb_emit_icall (mb, checkpoint_func);
1368 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1372 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1374 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1377 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1381 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1383 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1386 static MonoAsyncResult *
1387 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1389 MonoMethodMessage *msg;
1390 MonoDelegate *async_callback;
1394 MonoMethod *method = NULL;
1397 g_assert (delegate);
1399 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1401 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1402 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1404 /* If the target is a proxy, make a direct call. Is proxy's work
1405 // to make the call asynchronous.
1407 MonoAsyncResult *ares;
1409 MonoArray *out_args;
1411 method = delegate->method_info->method;
1413 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1414 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1415 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1416 ares->async_delegate = (MonoObject *)delegate;
1417 ares->async_callback = (MonoObject *)async_callback;
1418 msg->async_result = ares;
1419 msg->call_type = CallType_BeginInvoke;
1421 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1426 klass = delegate->object.vtable->klass;
1428 method = mono_get_delegate_invoke (klass);
1429 for (i = 0; i < klass->method.count; ++i) {
1430 if (klass->methods [i]->name[0] == 'B' &&
1431 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1432 method = klass->methods [i];
1437 g_assert (method != NULL);
1439 im = mono_get_delegate_invoke (method->klass);
1440 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1442 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1446 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1448 int i, params_var, tmp_var;
1450 /* allocate local (pointer) *params[] */
1451 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1452 /* allocate local (pointer) tmp */
1453 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1455 /* alloate space on stack to store an array of pointers to the arguments */
1456 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1457 mono_mb_emit_byte (mb, CEE_PREFIX1);
1458 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1459 mono_mb_emit_stloc (mb, params_var);
1462 mono_mb_emit_ldloc (mb, params_var);
1463 mono_mb_emit_stloc (mb, tmp_var);
1465 if (save_this && sig->hasthis) {
1466 mono_mb_emit_ldloc (mb, tmp_var);
1467 mono_mb_emit_ldarg_addr (mb, 0);
1468 mono_mb_emit_byte (mb, CEE_STIND_I);
1469 /* tmp = tmp + sizeof (gpointer) */
1470 if (sig->param_count)
1471 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1475 for (i = 0; i < sig->param_count; i++) {
1476 mono_mb_emit_ldloc (mb, tmp_var);
1477 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1478 mono_mb_emit_byte (mb, CEE_STIND_I);
1479 /* tmp = tmp + sizeof (gpointer) */
1480 if (i < (sig->param_count - 1))
1481 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1488 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1492 GString *res = g_string_new ("");
1495 g_string_append (res, prefix);
1496 g_string_append_c (res, '_');
1499 mono_type_get_desc (res, sig->ret, FALSE);
1501 for (i = 0; i < sig->param_count; ++i) {
1502 g_string_append_c (res, '_');
1503 mono_type_get_desc (res, sig->params [i], FALSE);
1506 g_string_free (res, FALSE);
1511 * mono_marshal_get_string_encoding:
1513 * Return the string encoding which should be used for a given parameter.
1515 static MonoMarshalNative
1516 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1518 /* First try the parameter marshal info */
1520 if (spec->native == MONO_NATIVE_LPARRAY) {
1521 if (spec->data.array_data.elem_type != 0)
1522 return spec->data.array_data.elem_type;
1525 return spec->native;
1529 return MONO_NATIVE_LPSTR;
1531 /* Then try the method level marshal info */
1532 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1533 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1534 return MONO_NATIVE_LPSTR;
1535 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1536 return MONO_NATIVE_LPWSTR;
1537 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1538 return MONO_NATIVE_LPTSTR;
1540 return MONO_NATIVE_LPSTR;
1544 static MonoMarshalConv
1545 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1547 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1550 case MONO_NATIVE_LPWSTR:
1551 return MONO_MARSHAL_CONV_STR_LPWSTR;
1552 case MONO_NATIVE_LPSTR:
1553 return MONO_MARSHAL_CONV_STR_LPSTR;
1554 case MONO_NATIVE_LPTSTR:
1555 return MONO_MARSHAL_CONV_STR_LPTSTR;
1561 static MonoMarshalConv
1562 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1564 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1567 case MONO_NATIVE_LPWSTR:
1568 return MONO_MARSHAL_CONV_SB_LPWSTR;
1570 case MONO_NATIVE_LPSTR:
1571 return MONO_MARSHAL_CONV_SB_LPSTR;
1573 case MONO_NATIVE_LPTSTR:
1574 return MONO_MARSHAL_CONV_SB_LPTSTR;
1581 static MonoMarshalConv
1582 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1584 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1589 case MONO_NATIVE_LPWSTR:
1591 * mono_string_builder_to_utf16 does not allocate a
1592 * new buffer, so no need to free it.
1595 return MONO_MARSHAL_CONV_LPWSTR_SB;
1596 case MONO_NATIVE_LPSTR:
1597 return MONO_MARSHAL_CONV_LPSTR_SB;
1599 case MONO_NATIVE_LPTSTR:
1600 return MONO_MARSHAL_CONV_LPTSTR_SB;
1608 * Return whenever a field of a native structure or an array member needs to
1612 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1614 MonoMarshalNative encoding;
1615 MonoMarshalConv conv;
1618 case MONO_TYPE_VALUETYPE:
1619 /* FIXME: Optimize this */
1621 case MONO_TYPE_OBJECT:
1622 case MONO_TYPE_CLASS:
1623 if (t->data.klass == mono_defaults.stringbuilder_class) {
1625 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1629 case MONO_TYPE_STRING:
1630 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1631 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1637 static inline MonoMethod*
1638 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1642 EnterCriticalSection (&marshal_mutex);
1643 res = g_hash_table_lookup (cache, key);
1644 LeaveCriticalSection (&marshal_mutex);
1648 /* Create the method from the builder and place it in the cache */
1649 static inline MonoMethod*
1650 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1651 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1656 EnterCriticalSection (&marshal_mutex);
1657 res = g_hash_table_lookup (cache, key);
1659 /* This does not acquire any locks */
1660 res = mono_mb_create_method (mb, sig, max_stack);
1661 g_hash_table_insert (cache, key, res);
1662 g_hash_table_insert (wrapper_hash, res, key);
1664 LeaveCriticalSection (&marshal_mutex);
1670 static inline MonoMethod*
1671 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1673 MonoMethod *res = NULL;
1674 MonoRemotingMethods *wrps;
1676 EnterCriticalSection (&marshal_mutex);
1677 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1680 switch (wrapper_type) {
1681 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1682 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1683 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1684 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1688 LeaveCriticalSection (&marshal_mutex);
1692 /* Create the method from the builder and place it in the cache */
1693 static inline MonoMethod*
1694 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1695 MonoMethodSignature *sig, int max_stack)
1697 MonoMethod **res = NULL;
1698 MonoRemotingMethods *wrps;
1699 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1701 EnterCriticalSection (&marshal_mutex);
1702 wrps = g_hash_table_lookup (cache, key);
1704 wrps = g_new0 (MonoRemotingMethods, 1);
1705 g_hash_table_insert (cache, key, wrps);
1708 switch (mb->method->wrapper_type) {
1709 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1710 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1711 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1712 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1713 default: g_assert_not_reached (); break;
1717 /* This does not acquire any locks */
1718 *res = mono_mb_create_method (mb, sig, max_stack);
1719 g_hash_table_insert (wrapper_hash, *res, key);
1722 LeaveCriticalSection (&marshal_mutex);
1728 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1732 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1735 EnterCriticalSection (&marshal_mutex);
1736 res = g_hash_table_lookup (wrapper_hash, wrapper);
1737 LeaveCriticalSection (&marshal_mutex);
1742 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1744 MonoMethodSignature *sig;
1745 static MonoMethodSignature *csig = NULL;
1746 MonoMethodBuilder *mb;
1752 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1753 !strcmp (method->name, "BeginInvoke"));
1755 sig = signature_no_pinvoke (method->signature);
1757 cache = method->klass->image->delegate_begin_invoke_cache;
1758 if ((res = mono_marshal_find_in_cache (cache, sig)))
1761 g_assert (sig->hasthis);
1764 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1766 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1767 csig->ret = &mono_defaults.object_class->byval_arg;
1768 csig->params [0] = &mono_defaults.object_class->byval_arg;
1769 csig->params [1] = &mono_defaults.int_class->byval_arg;
1772 name = mono_signature_to_name (sig, "begin_invoke");
1773 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1776 mb->method->save_lmf = 1;
1778 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1780 mono_mb_emit_ldarg (mb, 0);
1781 mono_mb_emit_ldloc (mb, params_var);
1782 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1783 emit_thread_interrupt_checkpoint (mb);
1784 mono_mb_emit_byte (mb, CEE_RET);
1786 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1792 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1794 MonoDomain *domain = mono_domain_get ();
1795 MonoAsyncResult *ares;
1796 MonoMethod *method = NULL;
1797 MonoMethodSignature *sig;
1798 MonoMethodMessage *msg;
1799 MonoObject *res, *exc;
1800 MonoArray *out_args;
1804 g_assert (delegate);
1806 if (!delegate->method_info || !delegate->method_info->method)
1807 g_assert_not_reached ();
1809 klass = delegate->object.vtable->klass;
1811 for (i = 0; i < klass->method.count; ++i) {
1812 if (klass->methods [i]->name[0] == 'E' &&
1813 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1814 method = klass->methods [i];
1819 g_assert (method != NULL);
1821 sig = signature_no_pinvoke (method->signature);
1823 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1825 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1828 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1829 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1830 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1831 mono_message_init (domain, msg, delegate->method_info, NULL);
1832 msg->call_type = CallType_EndInvoke;
1833 msg->async_result = ares;
1834 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1837 res = mono_thread_pool_finish (ares, &out_args, &exc);
1840 if (((MonoException*)exc)->stack_trace) {
1841 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1843 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1845 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1848 mono_raise_exception ((MonoException*)exc);
1851 mono_method_return_message_restore (method, params, out_args);
1856 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1858 if (return_type->byref)
1859 return_type = &mono_defaults.int_class->byval_arg;
1860 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1861 return_type = return_type->data.klass->enum_basetype;
1863 switch (return_type->type) {
1864 case MONO_TYPE_VOID:
1865 g_assert_not_reached ();
1868 case MONO_TYPE_STRING:
1869 case MONO_TYPE_CLASS:
1870 case MONO_TYPE_OBJECT:
1871 case MONO_TYPE_ARRAY:
1872 case MONO_TYPE_SZARRAY:
1876 case MONO_TYPE_BOOLEAN:
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_U1);
1882 mono_mb_emit_byte (mb, CEE_UNBOX);
1883 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1884 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1887 case MONO_TYPE_CHAR:
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_U2);
1893 mono_mb_emit_byte (mb, CEE_UNBOX);
1894 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1895 mono_mb_emit_byte (mb, CEE_LDIND_I2);
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_I);
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_I4);
1909 mono_mb_emit_byte (mb, CEE_UNBOX);
1910 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1911 mono_mb_emit_byte (mb, CEE_LDIND_U4);
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_I8);
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_R4);
1925 mono_mb_emit_byte (mb, CEE_UNBOX);
1926 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1927 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1929 case MONO_TYPE_VALUETYPE: {
1931 mono_mb_emit_byte (mb, CEE_UNBOX);
1932 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1933 mono_mb_emit_i4 (mb, class);
1934 mono_mb_emit_byte (mb, CEE_LDOBJ);
1935 mono_mb_emit_i4 (mb, class);
1939 g_warning ("type 0x%x not handled", return_type->type);
1940 g_assert_not_reached ();
1943 mono_mb_emit_byte (mb, CEE_RET);
1947 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1949 MonoMethodSignature *sig;
1950 static MonoMethodSignature *csig = NULL;
1951 MonoMethodBuilder *mb;
1957 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1958 !strcmp (method->name, "EndInvoke"));
1960 sig = signature_no_pinvoke (method->signature);
1962 cache = method->klass->image->delegate_end_invoke_cache;
1963 if ((res = mono_marshal_find_in_cache (cache, sig)))
1966 g_assert (sig->hasthis);
1969 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1971 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1972 csig->ret = &mono_defaults.object_class->byval_arg;
1973 csig->params [0] = &mono_defaults.object_class->byval_arg;
1974 csig->params [1] = &mono_defaults.int_class->byval_arg;
1977 name = mono_signature_to_name (sig, "end_invoke");
1978 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1981 mb->method->save_lmf = 1;
1983 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1985 mono_mb_emit_ldarg (mb, 0);
1986 mono_mb_emit_ldloc (mb, params_var);
1987 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1988 emit_thread_interrupt_checkpoint (mb);
1990 if (sig->ret->type == MONO_TYPE_VOID) {
1991 mono_mb_emit_byte (mb, CEE_POP);
1992 mono_mb_emit_byte (mb, CEE_RET);
1994 mono_mb_emit_restore_result (mb, sig->ret);
1996 res = mono_mb_create_and_cache (cache, sig,
1997 mb, sig, sig->param_count + 16);
2004 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2006 MonoMethodMessage *msg;
2007 MonoTransparentProxy *this;
2008 MonoObject *res, *exc;
2009 MonoArray *out_args;
2011 this = *((MonoTransparentProxy **)params [0]);
2014 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2016 /* skip the this pointer */
2019 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2022 MonoMethodSignature *sig = method->signature;
2023 int count = sig->param_count;
2024 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2026 for (i=0; i<count; i++) {
2027 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2028 if (class->valuetype) {
2029 if (sig->params [i]->byref)
2030 mparams[i] = *((gpointer *)params [i]);
2032 mparams[i] = params [i];
2034 mparams[i] = *((gpointer**)params [i]);
2038 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2041 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2043 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2046 mono_raise_exception ((MonoException *)exc);
2048 mono_method_return_message_restore (method, params, out_args);
2054 mono_marshal_get_remoting_invoke (MonoMethod *method)
2056 MonoMethodSignature *sig;
2057 static MonoMethodSignature *csig = NULL;
2058 MonoMethodBuilder *mb;
2064 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2067 sig = signature_no_pinvoke (method->signature);
2069 /* we cant remote methods without this pointer */
2073 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2077 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2078 csig->params [0] = &mono_defaults.int_class->byval_arg;
2079 csig->params [1] = &mono_defaults.int_class->byval_arg;
2080 csig->ret = &mono_defaults.object_class->byval_arg;
2084 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2085 mb->method->save_lmf = 1;
2087 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2089 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2090 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2091 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2092 mono_mb_emit_ldloc (mb, params_var);
2093 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2094 emit_thread_interrupt_checkpoint (mb);
2096 if (sig->ret->type == MONO_TYPE_VOID) {
2097 mono_mb_emit_byte (mb, CEE_POP);
2098 mono_mb_emit_byte (mb, CEE_RET);
2100 mono_mb_emit_restore_result (mb, sig->ret);
2103 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2109 /* mono_get_xdomain_marshal_type()
2110 * Returns the kind of marshalling that a type needs for cross domain calls.
2112 static MonoXDomainMarshalType
2113 mono_get_xdomain_marshal_type (MonoType *t)
2116 case MONO_TYPE_VOID:
2117 g_assert_not_reached ();
2121 case MONO_TYPE_BOOLEAN:
2124 case MONO_TYPE_CHAR:
2131 return MONO_MARSHAL_NONE;
2132 case MONO_TYPE_STRING:
2133 return MONO_MARSHAL_COPY;
2134 case MONO_TYPE_ARRAY:
2135 case MONO_TYPE_SZARRAY: {
2136 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2137 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2138 return MONO_MARSHAL_COPY;
2143 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2144 return MONO_MARSHAL_COPY;
2146 return MONO_MARSHAL_SERIALIZE;
2150 /* mono_marshal_xdomain_copy_value
2151 * Makes a copy of "val" suitable for the current domain.
2154 mono_marshal_xdomain_copy_value (MonoObject *val)
2157 if (val == NULL) return NULL;
2159 domain = mono_domain_get ();
2161 switch (mono_object_class (val)->byval_arg.type) {
2162 case MONO_TYPE_VOID:
2163 g_assert_not_reached ();
2167 case MONO_TYPE_BOOLEAN:
2170 case MONO_TYPE_CHAR:
2176 case MONO_TYPE_R8: {
2177 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2179 case MONO_TYPE_STRING: {
2180 MonoString *str = (MonoString *) val;
2181 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2183 case MONO_TYPE_ARRAY:
2184 case MONO_TYPE_SZARRAY: {
2186 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2187 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2188 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2189 if (mt == MONO_MARSHAL_COPY) {
2190 int i, len = mono_array_length (acopy);
2191 for (i = 0; i < len; i++) {
2192 MonoObject *item = mono_array_get (acopy, gpointer, i);
2193 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2196 return (MonoObject *) acopy;
2200 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2201 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2202 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2203 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2204 newsb->length = oldsb->length;
2205 return (MonoObject *) newsb;
2210 /* mono_marshal_xdomain_copy_out_value()
2211 * Copies the contents of the src instance into the dst instance. src and dst
2212 * must have the same type, and if they are arrays, the same size.
2215 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2217 if (src == NULL || dst == NULL) return;
2219 g_assert (mono_object_class (src) == mono_object_class (dst));
2221 switch (mono_object_class (src)->byval_arg.type) {
2222 case MONO_TYPE_ARRAY:
2223 case MONO_TYPE_SZARRAY: {
2224 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2225 if (mt == MONO_MARSHAL_SERIALIZE) return;
2226 if (mt == MONO_MARSHAL_COPY) {
2227 int i, len = mono_array_length ((MonoArray *)dst);
2228 for (i = 0; i < len; i++) {
2229 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2230 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2233 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2239 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2240 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2241 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2243 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2244 dst_sb->length = src_sb->length;
2249 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2251 static MonoMethodSignature *csig = NULL;
2253 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2254 csig->params [0] = &mono_defaults.object_class->byval_arg;
2255 csig->ret = &mono_defaults.object_class->byval_arg;
2259 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2260 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2261 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2265 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2267 static MonoMethodSignature *csig = NULL;
2269 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2270 csig->params [0] = &mono_defaults.object_class->byval_arg;
2271 csig->params [1] = &mono_defaults.object_class->byval_arg;
2272 csig->ret = &mono_defaults.void_class->byval_arg;
2276 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2279 /* mono_marshal_supports_fast_xdomain()
2280 * Returns TRUE if the method can use the fast xdomain wrapper.
2283 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2285 return !method->klass->contextbound &&
2286 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2290 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2292 MonoDomain *current_domain = mono_domain_get ();
2293 MonoDomain *domain = mono_domain_get_by_id (id);
2295 if (!domain || !mono_domain_set (domain, FALSE))
2296 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2299 mono_thread_push_appdomain_ref (domain);
2301 mono_thread_pop_appdomain_ref ();
2303 return current_domain->domain_id;
2307 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2309 static MonoMethodSignature *csig = NULL;
2311 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2312 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2313 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2314 csig->ret = &mono_defaults.int32_class->byval_arg;
2318 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2321 /* mono_marshal_emit_load_domain_method ()
2322 * Loads into the stack a pointer to the code of the provided method for
2323 * the current domain.
2326 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2328 static MonoMethodSignature *csig = NULL;
2330 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2331 csig->params [0] = &mono_defaults.int_class->byval_arg;
2332 csig->ret = &mono_defaults.int_class->byval_arg;
2336 /* We need a pointer to the method for the running domain (not the domain
2337 * that compiles the method).
2339 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2340 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2341 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2342 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2345 /* mono_marshal_get_xappdomain_dispatch ()
2346 * Generates a method that dispatches a method call from another domain into
2347 * the current domain.
2350 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2352 MonoMethodSignature *sig, *csig;
2353 MonoMethodBuilder *mb;
2355 int i, j, param_index, copy_locals_base;
2356 MonoClass *ret_class = NULL;
2357 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2358 MonoExceptionClause *main_clause;
2359 MonoMethodHeader *header;
2361 gboolean copy_return;
2363 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2366 sig = method->signature;
2367 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2370 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2371 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2372 csig->params [j++] = &byte_array_class->this_arg;
2373 csig->params [j++] = &byte_array_class->this_arg;
2374 for (i = 0; i < sig->param_count; i++) {
2375 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2376 csig->params [j++] = sig->params [i];
2379 csig->ret = sig->ret;
2381 csig->ret = &mono_defaults.void_class->byval_arg;
2383 csig->hasthis = FALSE;
2385 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2386 mb->method->save_lmf = 1;
2390 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2391 if (complex_count > 0)
2392 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2393 if (sig->ret->type != MONO_TYPE_VOID) {
2394 loc_return = mono_mb_add_local (mb, sig->ret);
2395 ret_class = mono_class_from_mono_type (sig->ret);
2400 main_clause = g_new0 (MonoExceptionClause, 1);
2401 main_clause->try_offset = mb->pos;
2403 /* Clean the call context */
2405 mono_mb_emit_byte (mb, CEE_LDNULL);
2406 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2407 mono_mb_emit_byte (mb, CEE_POP);
2409 /* Deserialize call data */
2411 mono_mb_emit_ldarg (mb, 1);
2412 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2413 mono_mb_emit_byte (mb, CEE_DUP);
2414 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2416 mono_mb_emit_byte (mb, 0);
2418 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2419 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2421 if (complex_count > 0)
2422 mono_mb_emit_stloc (mb, loc_array);
2424 mono_mb_emit_byte (mb, CEE_POP);
2426 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2428 /* Get the target object */
2430 mono_mb_emit_ldarg (mb, 0);
2431 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2433 /* Load the arguments */
2435 copy_locals_base = mb->locals;
2436 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2438 for (i = 0; i < sig->param_count; i++) {
2439 MonoType *pt = sig->params [i];
2440 MonoClass *pclass = mono_class_from_mono_type (pt);
2441 switch (marshal_types [i]) {
2442 case MONO_MARSHAL_SERIALIZE: {
2443 /* take the value from the serialized array */
2444 mono_mb_emit_ldloc (mb, loc_array);
2445 mono_mb_emit_icon (mb, j++);
2447 if (pclass->valuetype) {
2448 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2449 mono_mb_emit_byte (mb, CEE_UNBOX);
2450 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2452 mono_mb_emit_byte (mb, CEE_LDELEMA);
2453 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2456 if (pclass->valuetype) {
2457 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2458 mono_mb_emit_byte (mb, CEE_UNBOX);
2459 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2460 mono_mb_emit_byte (mb, CEE_LDOBJ);
2461 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2463 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2464 if (pclass != mono_defaults.object_class) {
2465 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2466 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2472 case MONO_MARSHAL_COPY_OUT: {
2473 /* Keep a local copy of the value since we need to copy it back after the call */
2474 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2475 mono_mb_emit_ldarg (mb, param_index++);
2476 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2477 mono_mb_emit_byte (mb, CEE_DUP);
2478 mono_mb_emit_stloc (mb, copy_local);
2481 case MONO_MARSHAL_COPY: {
2482 mono_mb_emit_ldarg (mb, param_index);
2484 mono_mb_emit_byte (mb, CEE_DUP);
2485 mono_mb_emit_byte (mb, CEE_DUP);
2486 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2487 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2488 mono_mb_emit_byte (mb, CEE_STIND_REF);
2490 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2495 case MONO_MARSHAL_NONE:
2496 mono_mb_emit_ldarg (mb, param_index++);
2501 /* Make the call to the real object */
2503 emit_thread_force_interrupt_checkpoint (mb);
2504 mono_mb_emit_managed_call (mb, method, NULL);
2506 if (sig->ret->type != MONO_TYPE_VOID)
2507 mono_mb_emit_stloc (mb, loc_return);
2509 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2513 for (i = 0; i < sig->param_count; i++) {
2514 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2515 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2516 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2517 mono_mb_emit_ldarg (mb, param_index);
2518 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2523 /* Serialize the return values */
2525 if (complex_out_count > 0) {
2526 /* Reset parameters in the array that don't need to be serialized back */
2528 for (i = 0; i < sig->param_count; i++) {
2529 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2530 if (!sig->params [i]->byref) {
2531 mono_mb_emit_ldloc (mb, loc_array);
2532 mono_mb_emit_icon (mb, j);
2533 mono_mb_emit_byte (mb, CEE_LDNULL);
2534 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2539 /* Add the return value to the array */
2541 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2542 mono_mb_emit_ldloc (mb, loc_array);
2543 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2544 mono_mb_emit_ldloc (mb, loc_return);
2545 if (ret_class->valuetype) {
2546 mono_mb_emit_byte (mb, CEE_BOX);
2547 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2549 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2554 mono_mb_emit_ldarg (mb, 1);
2555 mono_mb_emit_ldloc (mb, loc_array);
2556 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2557 mono_mb_emit_byte (mb, CEE_STIND_REF);
2558 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2559 mono_mb_emit_ldarg (mb, 1);
2560 mono_mb_emit_ldloc (mb, loc_return);
2561 if (ret_class->valuetype) {
2562 mono_mb_emit_byte (mb, CEE_BOX);
2563 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2565 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2566 mono_mb_emit_byte (mb, CEE_STIND_REF);
2568 mono_mb_emit_ldarg (mb, 1);
2569 mono_mb_emit_byte (mb, CEE_LDNULL);
2570 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2571 mono_mb_emit_byte (mb, CEE_STIND_REF);
2574 mono_mb_emit_ldarg (mb, 2);
2575 mono_mb_emit_byte (mb, CEE_LDNULL);
2576 mono_mb_emit_byte (mb, CEE_STIND_REF);
2577 mono_mb_emit_byte (mb, CEE_LEAVE);
2578 pos_leave = mb->pos;
2579 mono_mb_emit_i4 (mb, 0);
2581 /* Main exception catch */
2582 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2583 main_clause->try_len = mb->pos - main_clause->try_offset;
2584 main_clause->data.catch_class = mono_defaults.object_class;
2587 main_clause->handler_offset = mb->pos;
2588 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2589 mono_mb_emit_stloc (mb, loc_serialized_exc);
2590 mono_mb_emit_ldarg (mb, 2);
2591 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2592 mono_mb_emit_byte (mb, CEE_STIND_REF);
2593 mono_mb_emit_byte (mb, CEE_LEAVE);
2594 mono_mb_emit_i4 (mb, 0);
2595 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2598 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2601 mono_mb_emit_ldloc (mb, loc_return);
2603 mono_mb_emit_byte (mb, CEE_RET);
2605 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2608 header = ((MonoMethodNormal *)res)->header;
2609 header->num_clauses = 1;
2610 header->clauses = main_clause;
2615 /* mono_marshal_get_xappdomain_invoke ()
2616 * Generates a fast remoting wrapper for cross app domain calls.
2619 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2621 MonoMethodSignature *sig;
2622 static MonoMethodSignature *sig_context_get;
2623 static MonoMethodSignature *sig_context_set;
2624 MonoMethodBuilder *mb;
2626 int i, j, complex_count, complex_out_count, copy_locals_base;
2628 MonoClass *ret_class = NULL;
2629 MonoMethod *xdomain_method;
2630 int ret_marshal_type = MONO_MARSHAL_NONE;
2631 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2632 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context, loc_datastore;
2634 gboolean copy_return = FALSE;
2638 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2641 /* we cant remote methods without this pointer */
2642 if (!method->signature->hasthis)
2645 if (!mono_marshal_supports_fast_xdomain (method))
2646 return mono_marshal_get_remoting_invoke (method);
2648 mono_remoting_marshal_init ();
2650 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2653 sig = signature_no_pinvoke (method->signature);
2655 if (sig_context_set == NULL) {
2656 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2657 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2658 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2659 sig_context_set->pinvoke = 1;
2661 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2662 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2663 sig_context_get->pinvoke = 1;
2666 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2667 mb->method->save_lmf = 1;
2669 /* Count the number of parameters that need to be serialized */
2671 marshal_types = alloca (sizeof (int) * sig->param_count);
2672 complex_count = complex_out_count = 0;
2673 for (i = 0; i < sig->param_count; i++) {
2674 MonoType *ptype = sig->params[i];
2675 int mt = mono_get_xdomain_marshal_type (ptype);
2677 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2678 * the copy will be made by reusing the original object instance
2680 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2681 mt = MONO_MARSHAL_COPY_OUT;
2682 else if (mt == MONO_MARSHAL_SERIALIZE) {
2684 if (ptype->byref) complex_out_count++;
2686 marshal_types [i] = mt;
2689 if (sig->ret->type != MONO_TYPE_VOID) {
2690 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2691 ret_class = mono_class_from_mono_type (sig->ret);
2692 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2697 if (complex_count > 0)
2698 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2699 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2700 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2702 loc_return = mono_mb_add_local (mb, sig->ret);
2703 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2704 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2705 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2706 loc_datastore = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2708 /* Save thread domain data */
2710 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2711 mono_mb_emit_byte (mb, CEE_DUP);
2712 mono_mb_emit_stloc (mb, loc_context);
2714 /* If the thread is not running in the default context, it needs to go
2715 * through the whole remoting sink, since the context is going to change
2717 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2718 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2720 mono_mb_emit_byte (mb, 0);
2722 mono_mb_emit_ldarg (mb, 0);
2723 for (i = 0; i < sig->param_count; i++)
2724 mono_mb_emit_ldarg (mb, i + 1);
2726 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2727 mono_mb_emit_byte (mb, CEE_RET);
2728 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2730 mono_mb_emit_managed_call (mb, method_reset_datastore, NULL);
2731 mono_mb_emit_stloc (mb, loc_datastore);
2733 /* Create the array that will hold the parameters to be serialized */
2735 if (complex_count > 0) {
2736 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 */
2737 mono_mb_emit_byte (mb, CEE_NEWARR);
2738 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2741 for (i = 0; i < sig->param_count; i++) {
2742 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2743 MonoClass *pclass = mono_class_from_mono_type (sig->params[i]);
2744 mono_mb_emit_byte (mb, CEE_DUP);
2745 mono_mb_emit_icon (mb, j);
2746 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2747 if (sig->params[i]->byref) {
2748 if (pclass->valuetype) {
2749 mono_mb_emit_byte (mb, CEE_LDOBJ);
2750 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2752 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2755 if (pclass->valuetype) {
2756 mono_mb_emit_byte (mb, CEE_BOX);
2757 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2759 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2762 mono_mb_emit_stloc (mb, loc_array);
2764 /* Serialize parameters */
2766 mono_mb_emit_ldloc (mb, loc_array);
2767 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2768 mono_mb_emit_stloc (mb, loc_serialized_data);
2770 mono_mb_emit_byte (mb, CEE_LDNULL);
2771 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2772 mono_mb_emit_stloc (mb, loc_serialized_data);
2775 /* Get the target domain id */
2777 mono_mb_emit_ldarg (mb, 0);
2778 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2779 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2780 mono_mb_emit_byte (mb, CEE_DUP);
2781 mono_mb_emit_stloc (mb, loc_real_proxy);
2783 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2784 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2785 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2789 mono_marshal_emit_switch_domain (mb);
2790 mono_mb_emit_stloc (mb, loc_old_domainid);
2792 /* Load the arguments */
2794 mono_mb_emit_ldloc (mb, loc_real_proxy);
2795 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2796 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2798 copy_locals_base = mb->locals;
2799 for (i = 0; i < sig->param_count; i++) {
2800 switch (marshal_types [i]) {
2801 case MONO_MARSHAL_SERIALIZE:
2803 case MONO_MARSHAL_COPY: {
2804 mono_mb_emit_ldarg (mb, i+1);
2805 if (sig->params [i]->byref) {
2806 /* make a local copy of the byref parameter. The real parameter
2807 * will be updated after the xdomain call
2809 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2810 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2811 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2812 mono_mb_emit_stloc (mb, copy_local);
2813 mono_mb_emit_ldloc_addr (mb, copy_local);
2817 case MONO_MARSHAL_COPY_OUT:
2818 case MONO_MARSHAL_NONE:
2819 mono_mb_emit_ldarg (mb, i+1);
2824 /* Make the call to the invoke wrapper in the target domain */
2826 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2827 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2828 mono_mb_emit_calli (mb, xdomain_method->signature);
2831 mono_mb_emit_stloc (mb, loc_return);
2835 mono_mb_emit_ldloc (mb, loc_old_domainid);
2836 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2837 mono_marshal_emit_switch_domain (mb);
2838 mono_mb_emit_byte (mb, CEE_POP);
2840 /* Restore thread domain data */
2842 mono_mb_emit_ldloc (mb, loc_context);
2843 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2844 mono_mb_emit_ldloc (mb, loc_datastore);
2845 mono_mb_emit_managed_call (mb, method_restore_datastore, NULL);
2847 /* if (loc_serialized_exc != null) ... */
2849 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2850 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2852 mono_mb_emit_byte (mb, 0);
2854 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2855 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2856 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2857 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2858 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2859 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2860 mono_mb_emit_byte (mb, CEE_THROW);
2861 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2863 /* copy back non-serialized output parameters */
2866 for (i = 0; i < sig->param_count; i++) {
2867 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2868 mono_mb_emit_ldarg (mb, i + 1);
2869 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2870 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2871 mono_mb_emit_byte (mb, CEE_STIND_REF);
2874 /* Deserialize out parameters */
2876 if (complex_out_count > 0) {
2877 mono_mb_emit_ldloc (mb, loc_serialized_data);
2878 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2879 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2880 mono_mb_emit_stloc (mb, loc_array);
2882 /* Copy back output parameters and return type */
2885 for (i = 0; i < sig->param_count; i++) {
2886 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2887 if (sig->params[i]->byref) {
2888 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2889 mono_mb_emit_ldarg (mb, i + 1);
2890 mono_mb_emit_ldloc (mb, loc_array);
2891 mono_mb_emit_icon (mb, j);
2892 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2893 if (pclass->valuetype) {
2894 mono_mb_emit_byte (mb, CEE_UNBOX);
2895 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2896 mono_mb_emit_byte (mb, CEE_LDOBJ);
2897 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2898 mono_mb_emit_byte (mb, CEE_STOBJ);
2899 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2901 if (pclass != mono_defaults.object_class) {
2902 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2903 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2905 mono_mb_emit_byte (mb, CEE_STIND_REF);
2911 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2912 mono_mb_emit_ldloc (mb, loc_array);
2913 mono_mb_emit_icon (mb, complex_count);
2914 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2915 if (ret_class->valuetype) {
2916 mono_mb_emit_byte (mb, CEE_UNBOX);
2917 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2918 mono_mb_emit_byte (mb, CEE_LDOBJ);
2919 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2922 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2923 mono_mb_emit_ldloc (mb, loc_serialized_data);
2924 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2925 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2926 if (ret_class->valuetype) {
2927 mono_mb_emit_byte (mb, CEE_UNBOX);
2928 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2929 mono_mb_emit_byte (mb, CEE_LDOBJ);
2930 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2931 } else if (ret_class != mono_defaults.object_class) {
2932 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2933 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2936 mono_mb_emit_ldloc (mb, loc_serialized_data);
2937 mono_mb_emit_byte (mb, CEE_DUP);
2938 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2940 mono_mb_emit_byte (mb, 0);
2941 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2943 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2944 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2945 mono_mb_emit_byte (mb, CEE_POP);
2949 mono_mb_emit_ldloc (mb, loc_return);
2950 if (ret_marshal_type == MONO_MARSHAL_COPY)
2951 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
2954 mono_mb_emit_byte (mb, CEE_RET);
2956 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2963 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
2965 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
2966 return mono_marshal_get_xappdomain_invoke (method);
2968 return mono_marshal_get_remoting_invoke (method);
2971 G_GNUC_UNUSED static gpointer
2972 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
2974 if (rp->target_domain_id != -1)
2975 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
2977 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
2981 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
2983 MonoMethodSignature *sig;
2984 MonoMethodBuilder *mb;
2985 MonoMethod *res, *native;
2986 int i, pos, pos_rem;
2990 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
2993 sig = signature_no_pinvoke (method->signature);
2995 /* we cant remote methods without this pointer */
2996 g_assert (sig->hasthis);
2998 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3001 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3003 for (i = 0; i <= sig->param_count; i++)
3004 mono_mb_emit_ldarg (mb, i);
3006 mono_mb_emit_ldarg (mb, 0);
3007 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3009 if (mono_marshal_supports_fast_xdomain (method)) {
3010 mono_mb_emit_ldarg (mb, 0);
3011 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3013 /* wrapper for cross app domain calls */
3014 native = mono_marshal_get_xappdomain_invoke (method);
3015 mono_mb_emit_managed_call (mb, native, native->signature);
3016 mono_mb_emit_byte (mb, CEE_RET);
3018 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3020 /* wrapper for normal remote calls */
3021 native = mono_marshal_get_remoting_invoke (method);
3022 mono_mb_emit_managed_call (mb, native, native->signature);
3023 mono_mb_emit_byte (mb, CEE_RET);
3026 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3027 mono_mb_emit_managed_call (mb, method, method->signature);
3028 mono_mb_emit_byte (mb, CEE_RET);
3030 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3037 * the returned method invokes all methods in a multicast delegate
3040 mono_marshal_get_delegate_invoke (MonoMethod *method)
3042 MonoMethodSignature *sig, *static_sig;
3044 MonoMethodBuilder *mb;
3050 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3051 !strcmp (method->name, "Invoke"));
3053 sig = signature_no_pinvoke (method->signature);
3055 cache = method->klass->image->delegate_invoke_cache;
3056 if ((res = mono_marshal_find_in_cache (cache, sig)))
3059 static_sig = mono_metadata_signature_dup (sig);
3060 static_sig->hasthis = 0;
3062 name = mono_signature_to_name (sig, "invoke");
3063 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3066 /* allocate local 0 (object) */
3067 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3069 g_assert (sig->hasthis);
3073 * prev.Invoke( args .. );
3074 * return this.<target>( args .. );
3077 /* this wrapper can be used in unmanaged-managed transitions */
3078 emit_thread_interrupt_checkpoint (mb);
3080 /* get this->prev */
3081 mono_mb_emit_ldarg (mb, 0);
3082 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3083 mono_mb_emit_byte (mb, CEE_LDIND_I );
3084 mono_mb_emit_stloc (mb, 0);
3086 /* if prev != null */
3087 mono_mb_emit_ldloc (mb, 0);
3088 mono_mb_emit_byte (mb, CEE_BRFALSE);
3091 mono_mb_emit_i4 (mb, 0);
3094 mono_mb_emit_ldloc (mb, 0);
3095 for (i = 0; i < sig->param_count; i++)
3096 mono_mb_emit_ldarg (mb, i + 1);
3097 mono_mb_emit_managed_call (mb, method, method->signature);
3098 if (sig->ret->type != MONO_TYPE_VOID)
3099 mono_mb_emit_byte (mb, CEE_POP);
3101 /* continued or prev == null */
3102 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3104 /* get this->target */
3105 mono_mb_emit_ldarg (mb, 0);
3106 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3107 mono_mb_emit_byte (mb, CEE_LDIND_I );
3108 mono_mb_emit_stloc (mb, 0);
3110 /* if target != null */
3111 mono_mb_emit_ldloc (mb, 0);
3112 mono_mb_emit_byte (mb, CEE_BRFALSE);
3114 mono_mb_emit_i4 (mb, 0);
3116 /* then call this->method_ptr nonstatic */
3117 mono_mb_emit_ldloc (mb, 0);
3118 for (i = 0; i < sig->param_count; ++i)
3119 mono_mb_emit_ldarg (mb, i + 1);
3120 mono_mb_emit_ldarg (mb, 0);
3121 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3122 mono_mb_emit_byte (mb, CEE_LDIND_I );
3123 mono_mb_emit_byte (mb, CEE_CALLI);
3124 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3126 mono_mb_emit_byte (mb, CEE_BR);
3128 mono_mb_emit_i4 (mb, 0);
3130 /* else [target == null] call this->method_ptr static */
3131 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3133 for (i = 0; i < sig->param_count; ++i)
3134 mono_mb_emit_ldarg (mb, i + 1);
3135 mono_mb_emit_ldarg (mb, 0);
3136 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3137 mono_mb_emit_byte (mb, CEE_LDIND_I );
3138 mono_mb_emit_byte (mb, CEE_CALLI);
3139 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3142 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3143 mono_mb_emit_byte (mb, CEE_RET);
3145 res = mono_mb_create_and_cache (cache, sig,
3146 mb, sig, sig->param_count + 16);
3153 * signature_dup_add_this:
3155 * Make a copy of @sig, adding an explicit this argument.
3157 static MonoMethodSignature*
3158 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3160 MonoMethodSignature *res;
3163 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3164 memcpy (res, sig, sizeof (MonoMethodSignature));
3165 res->param_count = sig->param_count + 1;
3166 res->hasthis = FALSE;
3167 for (i = sig->param_count - 1; i >= 0; i --)
3168 res->params [i + 1] = sig->params [i];
3169 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3176 MonoMethodSignature *sig;
3182 * generates IL code for the runtime invoke function
3183 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3185 * we also catch exceptions if exc != null
3188 mono_marshal_get_runtime_invoke (MonoMethod *method)
3190 MonoMethodSignature *sig, *csig, *callsig;
3191 MonoExceptionClause *clause;
3192 MonoMethodHeader *header;
3193 MonoMethodBuilder *mb;
3194 GHashTable *cache = NULL;
3195 MonoClass *target_klass;
3196 MonoMethod *res = NULL;
3198 static MonoString *string_dummy = NULL;
3199 static MonoMethodSignature *dealy_abort_sig = NULL;
3205 target_klass = method->klass;
3207 EnterCriticalSection (&marshal_mutex);
3209 if (method->string_ctor) {
3210 static GSList *strsig_list = NULL;
3214 for (item = strsig_list; item; item = item->next) {
3216 if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
3222 callsig = mono_metadata_signature_dup (method->signature);
3223 callsig->ret = &mono_defaults.string_class->byval_arg;
3224 cs = g_new (CtorSigPair, 1);
3227 strsig_list = g_slist_prepend (strsig_list, cs);
3230 if (method->klass->valuetype && method->signature->hasthis) {
3232 * Valuetype methods receive a managed pointer as the this argument.
3233 * Create a new signature to reflect this.
3235 callsig = signature_dup_add_this (method->signature, method->klass);
3238 callsig = method->signature;
3241 cache = method->klass->image->runtime_invoke_cache;
3243 /* from mono_marshal_find_in_cache */
3244 res = g_hash_table_lookup (cache, callsig);
3245 LeaveCriticalSection (&marshal_mutex);
3251 if (!dealy_abort_sig) {
3252 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3253 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3254 dealy_abort_sig->pinvoke = 0;
3257 target_klass = mono_defaults.object_class;
3259 /* to make it work with our special string constructors */
3260 if (!string_dummy) {
3261 MONO_GC_REGISTER_ROOT (string_dummy);
3262 string_dummy = mono_string_new_wrapper ("dummy");
3265 sig = method->signature;
3267 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3269 csig->ret = &mono_defaults.object_class->byval_arg;
3270 if (method->klass->valuetype && method->signature->hasthis)
3271 csig->params [0] = callsig->params [0];
3273 csig->params [0] = &mono_defaults.object_class->byval_arg;
3274 csig->params [1] = &mono_defaults.int_class->byval_arg;
3275 csig->params [2] = &mono_defaults.int_class->byval_arg;
3276 csig->params [3] = &mono_defaults.int_class->byval_arg;
3278 name = mono_signature_to_name (callsig, "runtime_invoke");
3279 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3282 /* allocate local 0 (object) tmp */
3283 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3284 /* allocate local 1 (object) exc */
3285 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3287 /* cond set *exc to null */
3288 mono_mb_emit_byte (mb, CEE_LDARG_2);
3289 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3290 mono_mb_emit_byte (mb, 3);
3291 mono_mb_emit_byte (mb, CEE_LDARG_2);
3292 mono_mb_emit_byte (mb, CEE_LDNULL);
3293 mono_mb_emit_byte (mb, CEE_STIND_I);
3296 if (method->string_ctor) {
3297 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3298 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3299 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3301 mono_mb_emit_ldarg (mb, 0);
3305 for (i = 0; i < sig->param_count; i++) {
3306 MonoType *t = sig->params [i];
3309 mono_mb_emit_ldarg (mb, 1);
3311 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3312 mono_mb_emit_byte (mb, CEE_ADD);
3314 mono_mb_emit_byte (mb, CEE_LDIND_I);
3319 type = sig->params [i]->type;
3323 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3325 case MONO_TYPE_BOOLEAN:
3327 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3330 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3333 case MONO_TYPE_CHAR:
3334 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3338 mono_mb_emit_byte (mb, CEE_LDIND_I);
3341 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3344 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3347 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3350 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3354 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3356 case MONO_TYPE_STRING:
3357 case MONO_TYPE_CLASS:
3358 case MONO_TYPE_ARRAY:
3360 case MONO_TYPE_SZARRAY:
3361 case MONO_TYPE_OBJECT:
3364 case MONO_TYPE_VALUETYPE:
3365 if (t->data.klass->enumtype) {
3366 type = t->data.klass->enum_basetype->type;
3369 mono_mb_emit_byte (mb, CEE_LDOBJ);
3370 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3373 g_assert_not_reached ();
3377 mono_mb_emit_ldarg (mb, 3);
3378 emit_thread_force_interrupt_checkpoint (mb);
3379 mono_mb_emit_calli (mb, callsig);
3381 if (sig->ret->byref) {
3383 g_assert_not_reached ();
3387 switch (sig->ret->type) {
3388 case MONO_TYPE_VOID:
3389 if (!method->string_ctor)
3390 mono_mb_emit_byte (mb, CEE_LDNULL);
3392 case MONO_TYPE_BOOLEAN:
3393 case MONO_TYPE_CHAR:
3406 case MONO_TYPE_VALUETYPE:
3407 /* box value types */
3408 mono_mb_emit_byte (mb, CEE_BOX);
3409 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3411 case MONO_TYPE_STRING:
3412 case MONO_TYPE_CLASS:
3413 case MONO_TYPE_ARRAY:
3414 case MONO_TYPE_SZARRAY:
3415 case MONO_TYPE_OBJECT:
3420 g_assert_not_reached ();
3423 mono_mb_emit_stloc (mb, 0);
3425 mono_mb_emit_byte (mb, CEE_LEAVE);
3427 mono_mb_emit_i4 (mb, 0);
3429 clause = g_new0 (MonoExceptionClause, 1);
3430 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3431 clause->try_len = mb->pos;
3434 clause->data.filter_offset = mb->pos;
3436 mono_mb_emit_byte (mb, CEE_POP);
3437 mono_mb_emit_byte (mb, CEE_LDARG_2);
3438 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3439 mono_mb_emit_byte (mb, CEE_PREFIX1);
3440 mono_mb_emit_byte (mb, CEE_CGT_UN);
3441 mono_mb_emit_byte (mb, CEE_PREFIX1);
3442 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3444 clause->handler_offset = mb->pos;
3447 /* store exception */
3448 mono_mb_emit_stloc (mb, 1);
3450 mono_mb_emit_byte (mb, CEE_LDARG_2);
3451 mono_mb_emit_ldloc (mb, 1);
3452 mono_mb_emit_byte (mb, CEE_STIND_I);
3454 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3455 mono_mb_emit_stloc (mb, 0);
3457 /* Check for the abort exception */
3458 mono_mb_emit_ldloc (mb, 1);
3459 mono_mb_emit_byte (mb, CEE_ISINST);
3460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3461 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3463 mono_mb_emit_byte (mb, 0);
3465 /* Delay the abort exception */
3466 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3468 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3469 mono_mb_emit_byte (mb, CEE_LEAVE);
3470 mono_mb_emit_i4 (mb, 0);
3472 clause->handler_len = mb->pos - clause->handler_offset;
3475 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3476 mono_mb_emit_ldloc (mb, 0);
3477 mono_mb_emit_byte (mb, CEE_RET);
3479 /* taken from mono_mb_create_and_cache */
3480 EnterCriticalSection (&marshal_mutex);
3482 res = g_hash_table_lookup (cache, callsig);
3483 /* Somebody may have created it before us */
3485 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3486 g_hash_table_insert (cache, callsig, res);
3487 g_hash_table_insert (wrapper_hash, res, callsig);
3490 LeaveCriticalSection (&marshal_mutex);
3491 /* end mono_mb_create_and_cache */
3495 header = ((MonoMethodNormal *)res)->header;
3496 header->num_clauses = 1;
3497 header->clauses = clause;
3503 raise_auto_layout_exception (MonoClass *klass)
3505 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3506 klass->name_space, klass->name);
3508 MonoException *e = mono_exception_from_name_msg (
3509 mono_get_corlib (), "System.Runtime.InteropServices",
3510 "MarshalDirectiveException", msg);
3512 mono_raise_exception (e);
3516 * generates IL code to call managed methods from unmanaged code
3519 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
3521 MonoMethodSignature *sig, *csig;
3522 MonoMethodBuilder *mb;
3523 MonoClass *klass = NULL;
3526 int i, pos = 0, *tmp_locals;
3527 static MonoMethodSignature *alloc_sig = NULL;
3530 g_assert (method != NULL);
3531 g_assert (!method->signature->pinvoke);
3533 cache = method->klass->image->managed_wrapper_cache;
3534 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
3537 /* Under MS, the allocation should be done using CoTaskMemAlloc */
3539 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3540 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
3541 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
3542 alloc_sig->pinvoke = 1;
3545 sig = method->signature;
3547 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
3549 /* allocate local 0 (pointer) src_ptr */
3550 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3551 /* allocate local 1 (pointer) dst_ptr */
3552 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3553 /* allocate local 2 (boolean) delete_old */
3554 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3556 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3557 /* allocate local 3 to store the return value */
3558 mono_mb_add_local (mb, sig->ret);
3561 mono_mb_emit_icon (mb, 0);
3562 mono_mb_emit_byte (mb, CEE_STLOC_2);
3564 /* we copy the signature, so that we can modify it */
3565 csig = mono_metadata_signature_dup (sig);
3569 #ifdef PLATFORM_WIN32
3571 * Under windows, delegates passed to native code must use the STDCALL
3572 * calling convention.
3574 csig->call_convention = MONO_CALL_STDCALL;
3577 /* fixme: howto handle this ? */
3581 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3582 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3583 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
3588 g_assert_not_reached ();
3593 /* we first do all conversions */
3594 tmp_locals = alloca (sizeof (int) * sig->param_count);
3595 for (i = 0; i < sig->param_count; i ++) {
3596 MonoType *t = sig->params [i];
3597 MonoMarshalSpec *spec = mspecs [i + 1];
3601 /* Ensure that we have marshalling info for this param */
3602 mono_marshal_load_type_info (mono_class_from_mono_type (t));
3604 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3607 MonoMethod *marshal_native_to_managed;
3608 MonoMethod *get_instance;
3610 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3611 g_assert (mtype != NULL);
3612 mklass = mono_class_from_mono_type (mtype);
3613 g_assert (mklass != NULL);
3615 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
3616 g_assert (marshal_native_to_managed);
3617 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
3618 g_assert (get_instance);
3621 case MONO_TYPE_CLASS:
3622 case MONO_TYPE_OBJECT:
3623 case MONO_TYPE_STRING:
3624 case MONO_TYPE_ARRAY:
3625 case MONO_TYPE_SZARRAY:
3629 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3631 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3633 mono_mb_emit_byte (mb, CEE_CALL);
3634 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3636 mono_mb_emit_ldarg (mb, i);
3638 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3639 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3641 mono_mb_emit_stloc (mb, tmp_locals [i]);
3644 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3645 g_assert_not_reached ();
3652 case MONO_TYPE_CLASS: {
3653 klass = t->data.klass;
3655 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3657 if (klass->delegate) {
3658 g_assert (!t->byref);
3659 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3660 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
3661 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3662 mono_mb_emit_ldarg (mb, i);
3663 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
3664 mono_mb_emit_stloc (mb, tmp_locals [i]);
3668 /* The class can not have an automatic layout */
3669 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3670 raise_auto_layout_exception (klass);
3672 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3673 mono_mb_emit_byte (mb, CEE_LDNULL);
3674 mono_mb_emit_stloc (mb, tmp_locals [i]);
3679 mono_mb_emit_ldarg (mb, i);
3683 /* Check for NULL and raise an exception */
3684 mono_mb_emit_byte (mb, CEE_BRTRUE);
3686 mono_mb_emit_i4 (mb, 0);
3688 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
3690 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3691 mono_mb_emit_ldarg (mb, i);
3692 mono_mb_emit_byte (mb, CEE_LDIND_I);
3695 mono_mb_emit_byte (mb, CEE_STLOC_0);
3697 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3698 mono_mb_emit_stloc (mb, tmp_locals [i]);
3700 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3701 mono_mb_emit_byte (mb, CEE_BRFALSE);
3703 mono_mb_emit_i4 (mb, 0);
3705 /* Create and set dst */
3706 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3707 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3708 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3709 mono_mb_emit_stloc (mb, tmp_locals [i]);
3710 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3711 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3712 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3713 mono_mb_emit_icon (mb, sizeof (MonoObject));
3714 mono_mb_emit_byte (mb, CEE_ADD);
3715 mono_mb_emit_byte (mb, CEE_STLOC_1);
3717 /* emit valuetype conversion code */
3718 emit_struct_conv (mb, klass, TRUE);
3720 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3723 case MONO_TYPE_VALUETYPE:
3725 klass = sig->params [i]->data.klass;
3726 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3727 klass->blittable || klass->enumtype)
3730 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3732 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3736 mono_mb_emit_ldarg (mb, i);
3738 mono_mb_emit_ldarg_addr (mb, i);
3739 mono_mb_emit_byte (mb, CEE_STLOC_0);
3742 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3743 mono_mb_emit_byte (mb, CEE_BRFALSE);
3745 mono_mb_emit_i4 (mb, 0);
3748 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3749 mono_mb_emit_byte (mb, CEE_STLOC_1);
3751 /* emit valuetype conversion code */
3752 emit_struct_conv (mb, klass, TRUE);
3755 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3757 case MONO_TYPE_STRING: {
3758 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
3763 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3764 csig->params [i] = &mono_defaults.int_class->byval_arg;
3766 mono_mb_emit_ldarg (mb, i);
3769 case MONO_NATIVE_LPWSTR:
3770 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
3772 case MONO_NATIVE_LPSTR:
3773 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3776 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3777 MonoException *exc = mono_get_exception_not_implemented (msg);
3780 mono_raise_exception (exc);
3784 mono_mb_emit_stloc (mb, tmp_locals [i]);
3787 case MONO_TYPE_ARRAY:
3788 case MONO_TYPE_SZARRAY:
3792 klass = mono_class_from_mono_type (t);
3794 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3795 csig->params [i] = &mono_defaults.int_class->byval_arg;
3797 g_warning ("array marshaling not implemented");
3798 g_assert_not_reached ();
3803 for (i = 0; i < sig->param_count; i++) {
3804 MonoType *t = sig->params [i];
3807 case MONO_TYPE_BOOLEAN:
3821 mono_mb_emit_ldarg (mb, i);
3823 case MONO_TYPE_STRING:
3825 mono_mb_emit_ldarg (mb, i);
3827 g_assert (tmp_locals [i]);
3828 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3831 case MONO_TYPE_CLASS:
3833 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3835 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3837 case MONO_TYPE_ARRAY:
3838 case MONO_TYPE_SZARRAY:
3839 case MONO_TYPE_OBJECT:
3841 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3843 mono_mb_emit_ldarg (mb, i);
3845 case MONO_TYPE_VALUETYPE:
3846 klass = sig->params [i]->data.klass;
3847 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3848 klass->blittable || klass->enumtype) {
3849 mono_mb_emit_ldarg (mb, i);
3853 g_assert (tmp_locals [i]);
3855 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3857 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3860 g_warning ("type 0x%02x unknown", t->type);
3861 g_assert_not_reached ();
3865 emit_thread_interrupt_checkpoint (mb);
3866 mono_mb_emit_managed_call (mb, method, NULL);
3868 /* Ensure that we have marshalling info for the return */
3869 mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
3871 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3872 MonoMarshalSpec *spec = mspecs [0];
3877 g_assert (!sig->ret->byref);
3879 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3881 mklass = mono_class_from_mono_type (mtype);
3884 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3886 switch (sig->ret->type) {
3887 case MONO_TYPE_CLASS:
3888 case MONO_TYPE_OBJECT:
3889 case MONO_TYPE_STRING:
3890 case MONO_TYPE_ARRAY:
3891 case MONO_TYPE_SZARRAY:
3892 mono_mb_emit_byte (mb, CEE_STLOC_3);
3894 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3895 mono_mb_emit_stloc (mb, loc1);
3897 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3898 mono_mb_emit_byte (mb, CEE_CALL);
3899 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "GetInstance", 1)));
3900 mono_mb_emit_byte (mb, CEE_DUP);
3902 mono_mb_emit_byte (mb, CEE_LDLOC_3);
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, "MarshalManagedToNative", 1)));
3905 mono_mb_emit_byte (mb, CEE_STLOC_3);
3907 mono_mb_emit_ldloc (mb, loc1);
3908 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3909 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1)));
3913 g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
3914 g_assert_not_reached ();
3919 if (!sig->ret->byref) {
3920 switch (sig->ret->type) {
3921 case MONO_TYPE_VOID:
3923 case MONO_TYPE_BOOLEAN:
3937 case MONO_TYPE_OBJECT:
3938 mono_mb_emit_byte (mb, CEE_STLOC_3);
3940 case MONO_TYPE_STRING:
3941 csig->ret = &mono_defaults.int_class->byval_arg;
3943 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
3944 mono_mb_emit_byte (mb, CEE_STLOC_3);
3946 case MONO_TYPE_VALUETYPE:
3947 klass = sig->ret->data.klass;
3948 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3949 klass->blittable || klass->enumtype) {
3950 mono_mb_emit_byte (mb, CEE_STLOC_3);
3954 /* load pointer to returned value type */
3955 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3956 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3958 /* store the address of the source into local variable 0 */
3959 mono_mb_emit_byte (mb, CEE_STLOC_0);
3960 /* allocate space for the native struct and
3961 * store the address into dst_ptr */
3962 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3963 g_assert (retobj_var);
3964 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3965 mono_mb_emit_byte (mb, CEE_CONV_I);
3966 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
3967 emit_thread_interrupt_checkpoint (mb);
3968 mono_mb_emit_byte (mb, CEE_STLOC_1);
3969 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3970 mono_mb_emit_stloc (mb, retobj_var);
3972 /* emit valuetype conversion code */
3973 emit_struct_conv (mb, klass, FALSE);
3975 case MONO_TYPE_CLASS: {
3978 klass = sig->ret->data.klass;
3980 if (klass->delegate) {
3981 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
3982 mono_mb_emit_byte (mb, CEE_STLOC_3);
3986 /* The class can not have an automatic layout */
3987 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3988 raise_auto_layout_exception (klass);
3990 mono_mb_emit_byte (mb, CEE_STLOC_0);
3991 /* Check for null */
3992 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3993 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
3994 mono_mb_emit_byte (mb, CEE_LDNULL);
3995 mono_mb_emit_byte (mb, CEE_STLOC_3);
3996 pos2 = mono_mb_emit_branch (mb, CEE_BR);
3998 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4001 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4002 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4003 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4004 mono_mb_emit_icon (mb, sizeof (MonoObject));
4005 mono_mb_emit_byte (mb, CEE_ADD);
4006 mono_mb_emit_byte (mb, CEE_STLOC_0);
4008 /* Allocate and set dest */
4009 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4010 mono_mb_emit_byte (mb, CEE_CONV_I);
4011 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4012 emit_thread_interrupt_checkpoint (mb);
4013 mono_mb_emit_byte (mb, CEE_DUP);
4014 mono_mb_emit_byte (mb, CEE_STLOC_1);
4015 mono_mb_emit_byte (mb, CEE_STLOC_3);
4017 emit_struct_conv (mb, klass, FALSE);
4019 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4023 g_warning ("return type 0x%02x unknown", sig->ret->type);
4024 g_assert_not_reached ();
4027 mono_mb_emit_byte (mb, CEE_STLOC_3);
4030 /* Convert byref arguments back */
4031 for (i = 0; i < sig->param_count; i ++) {
4032 MonoType *t = sig->params [i];
4033 MonoMarshalSpec *spec = mspecs [i + 1];
4035 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
4038 MonoMethod *cleanup_managed;
4039 MonoMethod *get_instance;
4041 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
4042 g_assert (mtype != NULL);
4043 mklass = mono_class_from_mono_type (mtype);
4044 g_assert (mklass != NULL);
4046 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4047 g_assert (get_instance);
4048 cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
4049 g_assert (cleanup_managed);
4052 case MONO_TYPE_CLASS:
4053 case MONO_TYPE_OBJECT:
4054 case MONO_TYPE_STRING:
4055 case MONO_TYPE_ARRAY:
4056 case MONO_TYPE_SZARRAY:
4058 g_assert_not_reached ();
4060 /* Call CleanUpManagedData */
4062 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4064 mono_mb_emit_byte (mb, CEE_CALL);
4065 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4067 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4068 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4069 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4073 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4074 g_assert_not_reached ();
4084 case MONO_TYPE_CLASS: {
4087 klass = t->data.klass;
4089 /* Check for null */
4090 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4091 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
4092 mono_mb_emit_ldarg (mb, i);
4093 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4094 mono_mb_emit_byte (mb, CEE_STIND_I);
4095 pos2 = mono_mb_emit_branch (mb, CEE_BR);
4097 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4100 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4101 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4102 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4103 mono_mb_emit_icon (mb, sizeof (MonoObject));
4104 mono_mb_emit_byte (mb, CEE_ADD);
4105 mono_mb_emit_byte (mb, CEE_STLOC_0);
4107 /* Allocate and set dest */
4108 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4109 mono_mb_emit_byte (mb, CEE_CONV_I);
4110 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4111 emit_thread_interrupt_checkpoint (mb);
4112 mono_mb_emit_byte (mb, CEE_STLOC_1);
4114 /* Update argument pointer */
4115 mono_mb_emit_ldarg (mb, i);
4116 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4117 mono_mb_emit_byte (mb, CEE_STIND_I);
4119 /* emit valuetype conversion code */
4120 emit_struct_conv (mb, klass, FALSE);
4122 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4125 case MONO_TYPE_VALUETYPE: {
4128 klass = t->data.klass;
4130 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4131 klass->blittable || klass->enumtype) {
4135 /* Check for null */
4136 mono_mb_emit_ldarg (mb, i);
4137 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4140 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4141 mono_mb_emit_byte (mb, CEE_STLOC_0);
4144 mono_mb_emit_ldarg (mb, i);
4145 mono_mb_emit_byte (mb, CEE_STLOC_1);
4147 /* emit valuetype conversion code */
4148 emit_struct_conv (mb, klass, FALSE);
4150 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4157 mono_mb_emit_ldloc (mb, retobj_var);
4158 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4159 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
4160 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4163 if (!MONO_TYPE_IS_VOID(sig->ret))
4164 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4165 mono_mb_emit_byte (mb, CEE_RET);
4169 res = mono_mb_create_and_cache (cache, method,
4170 mb, csig, sig->param_count + 16);
4172 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4177 /* 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)); */
4183 * mono_marshal_get_ldfld_wrapper:
4184 * @type: the type of the field
4186 * This method generates a function which can be use to load a field with type
4187 * @type from an object. The generated function has the following signature:
4188 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4191 mono_marshal_get_ldfld_wrapper (MonoType *type)
4193 MonoMethodSignature *sig, *csig;
4194 MonoMethodBuilder *mb;
4197 static GHashTable *ldfld_hash = NULL;
4199 int t, pos0, pos1 = 0;
4204 if (type->type == MONO_TYPE_SZARRAY) {
4205 klass = mono_defaults.array_class;
4206 } else if (type->type == MONO_TYPE_VALUETYPE) {
4207 klass = type->data.klass;
4208 if (klass->enumtype) {
4209 t = klass->enum_basetype->type;
4210 klass = mono_class_from_mono_type (klass->enum_basetype);
4212 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4213 t == MONO_TYPE_CLASS) {
4214 klass = mono_defaults.object_class;
4215 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4216 klass = mono_defaults.int_class;
4218 klass = mono_class_from_mono_type (type);
4221 klass = mono_defaults.int_class;
4224 EnterCriticalSection (&marshal_mutex);
4226 ldfld_hash = g_hash_table_new (NULL, NULL);
4227 res = g_hash_table_lookup (ldfld_hash, klass);
4228 LeaveCriticalSection (&marshal_mutex);
4232 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
4233 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4236 mb->method->save_lmf = 1;
4238 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4239 sig->params [0] = &mono_defaults.object_class->byval_arg;
4240 sig->params [1] = &mono_defaults.int_class->byval_arg;
4241 sig->params [2] = &mono_defaults.int_class->byval_arg;
4242 sig->params [3] = &mono_defaults.int_class->byval_arg;
4243 sig->ret = &klass->byval_arg;
4245 mono_mb_emit_ldarg (mb, 0);
4246 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4248 mono_mb_emit_ldarg (mb, 0);
4249 mono_mb_emit_ldarg (mb, 1);
4250 mono_mb_emit_ldarg (mb, 2);
4252 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4253 csig->params [0] = &mono_defaults.object_class->byval_arg;
4254 csig->params [1] = &mono_defaults.int_class->byval_arg;
4255 csig->params [2] = &mono_defaults.int_class->byval_arg;
4256 csig->ret = &klass->this_arg;
4259 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4260 emit_thread_interrupt_checkpoint (mb);
4262 if (klass->valuetype) {
4263 mono_mb_emit_byte (mb, CEE_UNBOX);
4264 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4265 mono_mb_emit_byte (mb, CEE_BR);
4267 mono_mb_emit_i4 (mb, 0);
4269 mono_mb_emit_byte (mb, CEE_RET);
4273 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4275 mono_mb_emit_ldarg (mb, 0);
4276 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4277 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4278 mono_mb_emit_ldarg (mb, 3);
4279 mono_mb_emit_byte (mb, CEE_ADD);
4281 if (klass->valuetype)
4282 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4287 case MONO_TYPE_BOOLEAN:
4288 mono_mb_emit_byte (mb, CEE_LDIND_I1);
4290 case MONO_TYPE_CHAR:
4293 mono_mb_emit_byte (mb, CEE_LDIND_I2);
4297 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4301 mono_mb_emit_byte (mb, CEE_LDIND_I8);
4304 mono_mb_emit_byte (mb, CEE_LDIND_R4);
4307 mono_mb_emit_byte (mb, CEE_LDIND_R8);
4309 case MONO_TYPE_ARRAY:
4311 case MONO_TYPE_FNPTR:
4312 case MONO_TYPE_SZARRAY:
4313 case MONO_TYPE_OBJECT:
4314 case MONO_TYPE_CLASS:
4315 case MONO_TYPE_STRING:
4318 mono_mb_emit_byte (mb, CEE_LDIND_I);
4320 case MONO_TYPE_VALUETYPE:
4321 g_assert (!klass->enumtype);
4322 mono_mb_emit_byte (mb, CEE_LDOBJ);
4323 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4326 g_warning ("type %x not implemented", type->type);
4327 g_assert_not_reached ();
4330 mono_mb_emit_byte (mb, CEE_RET);
4332 res = mono_mb_create_and_cache (ldfld_hash, klass,
4333 mb, sig, sig->param_count + 16);
4340 * mono_marshal_get_stfld_wrapper:
4341 * @type: the type of the field
4343 * This method generates a function which can be use to store a field with type
4344 * @type. The generated function has the following signature:
4345 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4348 mono_marshal_get_stfld_wrapper (MonoType *type)
4350 MonoMethodSignature *sig, *csig;
4351 MonoMethodBuilder *mb;
4354 static GHashTable *stfld_hash = NULL;
4361 if (type->type == MONO_TYPE_SZARRAY) {
4362 klass = mono_defaults.array_class;
4363 } else if (type->type == MONO_TYPE_VALUETYPE) {
4364 klass = type->data.klass;
4365 if (klass->enumtype) {
4366 t = klass->enum_basetype->type;
4367 klass = mono_class_from_mono_type (klass->enum_basetype);
4369 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4370 t == MONO_TYPE_CLASS) {
4371 klass = mono_defaults.object_class;
4372 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4373 klass = mono_defaults.int_class;
4375 klass = mono_class_from_mono_type (type);
4378 klass = mono_defaults.int_class;
4381 EnterCriticalSection (&marshal_mutex);
4383 stfld_hash = g_hash_table_new (NULL, NULL);
4384 res = g_hash_table_lookup (stfld_hash, klass);
4385 LeaveCriticalSection (&marshal_mutex);
4389 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
4390 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4393 mb->method->save_lmf = 1;
4395 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4396 sig->params [0] = &mono_defaults.object_class->byval_arg;
4397 sig->params [1] = &mono_defaults.int_class->byval_arg;
4398 sig->params [2] = &mono_defaults.int_class->byval_arg;
4399 sig->params [3] = &mono_defaults.int_class->byval_arg;
4400 sig->params [4] = &klass->byval_arg;
4401 sig->ret = &mono_defaults.void_class->byval_arg;
4403 mono_mb_emit_ldarg (mb, 0);
4404 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4406 mono_mb_emit_ldarg (mb, 0);
4407 mono_mb_emit_ldarg (mb, 1);
4408 mono_mb_emit_ldarg (mb, 2);
4409 mono_mb_emit_ldarg (mb, 4);
4411 if (klass->valuetype) {
4412 mono_mb_emit_byte (mb, CEE_BOX);
4413 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4416 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4417 csig->params [0] = &mono_defaults.object_class->byval_arg;
4418 csig->params [1] = &mono_defaults.int_class->byval_arg;
4419 csig->params [2] = &mono_defaults.int_class->byval_arg;
4420 csig->params [3] = &klass->this_arg;
4421 csig->ret = &mono_defaults.void_class->byval_arg;
4424 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4425 emit_thread_interrupt_checkpoint (mb);
4427 mono_mb_emit_byte (mb, CEE_RET);
4429 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4431 mono_mb_emit_ldarg (mb, 0);
4432 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4433 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4434 mono_mb_emit_ldarg (mb, 3);
4435 mono_mb_emit_byte (mb, CEE_ADD);
4436 mono_mb_emit_ldarg (mb, 4);
4441 case MONO_TYPE_BOOLEAN:
4442 mono_mb_emit_byte (mb, CEE_STIND_I1);
4444 case MONO_TYPE_CHAR:
4447 mono_mb_emit_byte (mb, CEE_STIND_I2);
4451 mono_mb_emit_byte (mb, CEE_STIND_I4);
4455 mono_mb_emit_byte (mb, CEE_STIND_I8);
4458 mono_mb_emit_byte (mb, CEE_STIND_R4);
4461 mono_mb_emit_byte (mb, CEE_STIND_R8);
4463 case MONO_TYPE_ARRAY:
4465 case MONO_TYPE_FNPTR:
4466 case MONO_TYPE_SZARRAY:
4467 case MONO_TYPE_OBJECT:
4468 case MONO_TYPE_CLASS:
4469 case MONO_TYPE_STRING:
4472 mono_mb_emit_byte (mb, CEE_STIND_I);
4474 case MONO_TYPE_VALUETYPE:
4475 g_assert (!klass->enumtype);
4476 mono_mb_emit_byte (mb, CEE_STOBJ);
4477 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4480 g_warning ("type %x not implemented", type->type);
4481 g_assert_not_reached ();
4484 mono_mb_emit_byte (mb, CEE_RET);
4486 res = mono_mb_create_and_cache (stfld_hash, klass,
4487 mb, sig, sig->param_count + 16);
4494 * generates IL code for the icall wrapper (the generated method
4495 * calls the unmanaged code in func)
4498 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4500 MonoMethodSignature *csig;
4501 MonoMethodBuilder *mb;
4505 g_assert (sig->pinvoke);
4507 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4509 mb->method->save_lmf = 1;
4511 /* we copy the signature, so that we can modify it */
4514 mono_mb_emit_byte (mb, CEE_LDARG_0);
4516 for (i = 0; i < sig->param_count; i++)
4517 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4519 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4520 emit_thread_interrupt_checkpoint (mb);
4521 mono_mb_emit_byte (mb, CEE_RET);
4523 csig = mono_metadata_signature_dup (sig);
4525 if (csig->call_convention == MONO_CALL_VARARG)
4526 csig->call_convention = 0;
4528 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4535 MonoMethodBuilder *mb;
4536 MonoMethodPInvoke *piinfo;
4537 int *orig_conv_args; /* Locals containing the original values of byref args */
4538 } EmitMarshalContext;
4541 MARSHAL_ACTION_CONV_IN,
4542 MARSHAL_ACTION_PUSH,
4543 MARSHAL_ACTION_CONV_OUT,
4544 MARSHAL_ACTION_CONV_RESULT
4548 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4549 MonoMarshalSpec *spec,
4550 int conv_arg, MonoType **conv_arg_type,
4551 MarshalAction action)
4555 MonoMethod *get_instance, *cleanup_native;
4556 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4557 MonoMethodBuilder *mb = m->mb;
4560 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4561 g_assert (mtype != NULL);
4562 mklass = mono_class_from_mono_type (mtype);
4563 g_assert (mklass != NULL);
4565 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4566 g_assert (get_instance);
4567 cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
4568 g_assert (cleanup_native);
4569 marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
4570 g_assert (marshal_managed_to_native);
4571 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
4572 g_assert (marshal_native_to_managed);
4575 case MARSHAL_ACTION_CONV_IN:
4577 case MONO_TYPE_CLASS:
4578 case MONO_TYPE_OBJECT:
4579 case MONO_TYPE_STRING:
4580 case MONO_TYPE_ARRAY:
4581 case MONO_TYPE_SZARRAY:
4582 case MONO_TYPE_VALUETYPE:
4586 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4588 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4590 mono_mb_emit_byte (mb, CEE_CALL);
4591 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4593 mono_mb_emit_ldarg (mb, argnum);
4595 if (t->type == MONO_TYPE_VALUETYPE) {
4597 * Since we can't determine the type of the argument, we
4598 * will assume the unmanaged function takes a pointer.
4600 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4602 mono_mb_emit_byte (mb, CEE_BOX);
4603 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4606 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4607 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4608 mono_mb_emit_stloc (mb, conv_arg);
4612 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4613 g_assert_not_reached ();
4619 case MARSHAL_ACTION_CONV_OUT:
4621 case MONO_TYPE_CLASS:
4622 case MONO_TYPE_OBJECT:
4623 case MONO_TYPE_STRING:
4624 case MONO_TYPE_ARRAY:
4625 case MONO_TYPE_SZARRAY:
4626 case MONO_TYPE_VALUETYPE:
4627 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4629 mono_mb_emit_byte (mb, CEE_CALL);
4630 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4632 mono_mb_emit_ldloc (mb, conv_arg);
4634 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4635 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4640 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4641 g_assert_not_reached ();
4646 case MARSHAL_ACTION_PUSH:
4647 mono_mb_emit_ldloc (mb, conv_arg);
4650 case MARSHAL_ACTION_CONV_RESULT:
4651 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4654 case MONO_TYPE_CLASS:
4655 case MONO_TYPE_OBJECT:
4656 case MONO_TYPE_STRING:
4657 case MONO_TYPE_ARRAY:
4658 case MONO_TYPE_SZARRAY:
4659 mono_mb_emit_byte (mb, CEE_STLOC_3);
4661 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4662 mono_mb_emit_stloc (mb, loc1);
4664 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4666 mono_mb_emit_byte (mb, CEE_CALL);
4667 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4668 mono_mb_emit_byte (mb, CEE_DUP);
4670 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4671 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4672 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4673 mono_mb_emit_byte (mb, CEE_STLOC_3);
4675 mono_mb_emit_ldloc (mb, loc1);
4676 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4677 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4681 g_assert_not_reached ();
4687 g_assert_not_reached ();
4694 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4695 MonoMarshalSpec *spec,
4696 int conv_arg, MonoType **conv_arg_type,
4697 MarshalAction action)
4699 MonoMethodBuilder *mb = m->mb;
4702 case MARSHAL_ACTION_CONV_IN: {
4703 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4705 g_assert (t->type == MONO_TYPE_OBJECT);
4706 g_assert (!t->byref);
4708 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4709 mono_mb_emit_ldarg (mb, argnum);
4710 mono_mb_emit_icon (mb, encoding);
4711 mono_mb_emit_icall (mb, mono_marshal_asany);
4712 mono_mb_emit_stloc (mb, conv_arg);
4716 case MARSHAL_ACTION_PUSH:
4717 mono_mb_emit_ldloc (mb, conv_arg);
4720 case MARSHAL_ACTION_CONV_OUT: {
4721 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4723 mono_mb_emit_ldarg (mb, argnum);
4724 mono_mb_emit_ldloc (mb, conv_arg);
4725 mono_mb_emit_icon (mb, encoding);
4726 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4731 g_assert_not_reached ();
4738 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4739 MonoMarshalSpec *spec,
4740 int conv_arg, MonoType **conv_arg_type,
4741 MarshalAction action)
4743 MonoMethodBuilder *mb = m->mb;
4747 klass = t->data.klass;
4750 case MARSHAL_ACTION_CONV_IN:
4751 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4752 klass->blittable || klass->enumtype)
4755 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4757 /* store the address of the source into local variable 0 */
4759 mono_mb_emit_ldarg (mb, argnum);
4761 mono_mb_emit_ldarg_addr (mb, argnum);
4763 mono_mb_emit_byte (mb, CEE_STLOC_0);
4765 /* allocate space for the native struct and
4766 * store the address into local variable 1 (dest) */
4767 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4768 mono_mb_emit_byte (mb, CEE_PREFIX1);
4769 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4770 mono_mb_emit_stloc (mb, conv_arg);
4773 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4774 mono_mb_emit_byte (mb, CEE_BRFALSE);
4776 mono_mb_emit_i4 (mb, 0);
4780 mono_mb_emit_ldloc (mb, conv_arg);
4781 mono_mb_emit_byte (mb, CEE_STLOC_1);
4783 /* emit valuetype conversion code */
4784 emit_struct_conv (mb, klass, FALSE);
4787 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4790 case MARSHAL_ACTION_PUSH:
4791 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4792 klass->blittable || klass->enumtype) {
4793 mono_mb_emit_ldarg (mb, argnum);
4796 mono_mb_emit_ldloc (mb, conv_arg);
4798 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4799 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4800 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4804 case MARSHAL_ACTION_CONV_OUT:
4805 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4806 klass->blittable || klass->enumtype)
4810 /* dst = argument */
4811 mono_mb_emit_ldarg (mb, argnum);
4812 mono_mb_emit_byte (mb, CEE_STLOC_1);
4814 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4815 mono_mb_emit_byte (mb, CEE_BRFALSE);
4817 mono_mb_emit_i4 (mb, 0);
4819 /* src = tmp_locals [i] */
4820 mono_mb_emit_ldloc (mb, conv_arg);
4821 mono_mb_emit_byte (mb, CEE_STLOC_0);
4823 /* emit valuetype conversion code */
4824 emit_struct_conv (mb, klass, TRUE);
4827 emit_struct_free (mb, klass, conv_arg);
4830 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4833 case MARSHAL_ACTION_CONV_RESULT:
4834 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4836 mono_mb_emit_byte (mb, CEE_STLOC_3);
4839 /* load pointer to returned value type */
4840 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4841 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4842 /* store the address of the source into local variable 0 */
4843 mono_mb_emit_byte (mb, CEE_STLOC_0);
4845 mono_mb_emit_ldloc_addr (mb, 3);
4846 mono_mb_emit_byte (mb, CEE_STLOC_1);
4848 /* emit valuetype conversion code */
4849 emit_struct_conv (mb, klass, TRUE);
4853 g_assert_not_reached ();
4860 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4861 MonoMarshalSpec *spec,
4862 int conv_arg, MonoType **conv_arg_type,
4863 MarshalAction action)
4865 MonoMethodBuilder *mb = m->mb;
4866 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4867 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4870 case MARSHAL_ACTION_CONV_IN:
4871 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4872 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4875 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4878 mono_mb_emit_ldarg (mb, argnum);
4879 mono_mb_emit_byte (mb, CEE_LDIND_I);
4881 mono_mb_emit_ldarg (mb, argnum);
4885 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4886 MonoException *exc = mono_get_exception_not_implemented (msg);
4889 mono_raise_exception (exc);
4892 mono_mb_emit_icall (mb, conv_to_icall (conv));
4894 mono_mb_emit_stloc (mb, conv_arg);
4897 case MARSHAL_ACTION_CONV_OUT:
4898 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4899 mono_mb_emit_ldarg (mb, argnum);
4900 mono_mb_emit_ldloc (mb, conv_arg);
4901 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4902 mono_mb_emit_byte (mb, CEE_STIND_I);
4904 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4905 mono_mb_emit_ldloc (mb, conv_arg);
4906 mono_mb_emit_icall (mb, mono_marshal_free);
4911 case MARSHAL_ACTION_CONV_RESULT:
4912 mono_mb_emit_byte (mb, CEE_STLOC_0);
4913 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4916 switch (spec->native) {
4917 case MONO_NATIVE_LPWSTR:
4918 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4921 g_warning ("marshalling conversion not implemented");
4922 g_assert_not_reached ();
4925 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4927 mono_mb_emit_byte (mb, CEE_STLOC_3);
4929 /* free the string */
4930 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4931 mono_mb_emit_icall (mb, g_free);
4935 g_assert_not_reached ();
4942 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4943 MonoMarshalSpec *spec,
4944 int conv_arg, MonoType **conv_arg_type,
4945 MarshalAction action)
4947 MonoMethodBuilder *mb = m->mb;
4948 MonoClass *klass = t->data.klass;
4952 case MARSHAL_ACTION_CONV_IN:
4953 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4954 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4956 m->orig_conv_args [argnum] = 0;
4958 if (klass->delegate) {
4959 g_assert (!t->byref);
4960 mono_mb_emit_ldarg (mb, argnum);
4961 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4962 mono_mb_emit_stloc (mb, conv_arg);
4963 } else if (klass == mono_defaults.stringbuilder_class) {
4964 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4965 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4967 g_assert (!t->byref);
4968 mono_mb_emit_ldarg (mb, argnum);
4971 mono_mb_emit_icall (mb, conv_to_icall (conv));
4973 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4974 MonoException *exc = mono_get_exception_not_implemented (msg);
4977 mono_raise_exception (exc);
4980 mono_mb_emit_stloc (mb, conv_arg);
4981 } else if (klass->blittable) {
4982 mono_mb_emit_ldarg (mb, argnum);
4983 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4984 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4985 mono_mb_emit_icon (mb, sizeof (MonoObject));
4986 mono_mb_emit_byte (mb, CEE_ADD);
4987 mono_mb_emit_stloc (mb, conv_arg);
4990 mono_mb_emit_byte (mb, CEE_LDNULL);
4991 mono_mb_emit_stloc (mb, conv_arg);
4994 /* we dont need any conversions for out parameters */
4995 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4998 mono_mb_emit_ldarg (mb, argnum);
4999 mono_mb_emit_byte (mb, CEE_LDIND_I);
5002 mono_mb_emit_ldarg (mb, argnum);
5003 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5004 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5007 /* store the address of the source into local variable 0 */
5008 mono_mb_emit_byte (mb, CEE_STLOC_0);
5009 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5010 mono_mb_emit_byte (mb, CEE_BRFALSE);
5012 mono_mb_emit_i4 (mb, 0);
5014 /* allocate space for the native struct and store the address */
5015 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5016 mono_mb_emit_byte (mb, CEE_PREFIX1);
5017 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5018 mono_mb_emit_stloc (mb, conv_arg);
5021 /* Need to store the original buffer so we can free it later */
5022 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5023 mono_mb_emit_ldloc (mb, conv_arg);
5024 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5027 /* set the src_ptr */
5028 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5029 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5030 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5031 mono_mb_emit_icon (mb, sizeof (MonoObject));
5032 mono_mb_emit_byte (mb, CEE_ADD);
5033 mono_mb_emit_byte (mb, CEE_STLOC_0);
5036 mono_mb_emit_ldloc (mb, conv_arg);
5037 mono_mb_emit_byte (mb, CEE_STLOC_1);
5039 /* emit valuetype conversion code */
5040 emit_struct_conv (mb, klass, FALSE);
5042 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5046 case MARSHAL_ACTION_CONV_OUT:
5047 if (klass == mono_defaults.stringbuilder_class) {
5049 MonoMarshalNative encoding;
5050 MonoMarshalConv conv;
5052 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5053 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5055 g_assert (!t->byref);
5056 g_assert (encoding != -1);
5058 mono_mb_emit_ldarg (mb, argnum);
5059 mono_mb_emit_ldloc (mb, conv_arg);
5061 mono_mb_emit_icall (mb, conv_to_icall (conv));
5064 mono_mb_emit_ldloc (mb, conv_arg);
5065 mono_mb_emit_icall (mb, mono_marshal_free);
5070 if (klass->delegate)
5073 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5074 /* allocate a new object */
5075 mono_mb_emit_ldarg (mb, argnum);
5076 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5077 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5078 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5079 mono_mb_emit_byte (mb, CEE_STIND_I);
5082 /* dst = *argument */
5083 mono_mb_emit_ldarg (mb, argnum);
5086 mono_mb_emit_byte (mb, CEE_LDIND_I);
5088 mono_mb_emit_byte (mb, CEE_STLOC_1);
5090 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5091 mono_mb_emit_byte (mb, CEE_BRFALSE);
5093 mono_mb_emit_i4 (mb, 0);
5095 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5096 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5097 mono_mb_emit_icon (mb, sizeof (MonoObject));
5098 mono_mb_emit_byte (mb, CEE_ADD);
5099 mono_mb_emit_byte (mb, CEE_STLOC_1);
5101 /* src = tmp_locals [i] */
5102 mono_mb_emit_ldloc (mb, conv_arg);
5103 mono_mb_emit_byte (mb, CEE_STLOC_0);
5105 /* emit valuetype conversion code */
5106 emit_struct_conv (mb, t->data.klass, TRUE);
5108 /* Free the structure returned by the native code */
5109 emit_struct_free (mb, klass, conv_arg);
5111 if (m->orig_conv_args [argnum]) {
5113 * If the native function changed the pointer, then free
5114 * the original structure plus the new pointer.
5116 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5117 mono_mb_emit_ldloc (mb, conv_arg);
5118 mono_mb_emit_byte (mb, CEE_BEQ);
5120 mono_mb_emit_i4 (mb, 0);
5122 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5123 g_assert (m->orig_conv_args [argnum]);
5125 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5128 mono_mb_emit_ldloc (mb, conv_arg);
5129 mono_mb_emit_icall (mb, g_free);
5131 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5135 /* Free the original structure passed to native code */
5136 emit_struct_free (mb, klass, conv_arg);
5138 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5141 case MARSHAL_ACTION_CONV_RESULT:
5142 if (klass->delegate) {
5143 g_assert (!t->byref);
5144 mono_mb_emit_byte (mb, CEE_STLOC_0);
5145 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5146 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5147 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5148 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5149 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5150 mono_mb_emit_byte (mb, CEE_STLOC_3);
5153 mono_mb_emit_byte (mb, CEE_STLOC_0);
5155 /* Make a copy since emit_conv modifies local 0 */
5156 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5157 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5158 mono_mb_emit_stloc (mb, loc);
5160 mono_mb_emit_byte (mb, CEE_LDNULL);
5161 mono_mb_emit_byte (mb, CEE_STLOC_3);
5163 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5164 mono_mb_emit_byte (mb, CEE_BRFALSE);
5166 mono_mb_emit_i4 (mb, 0);
5168 /* allocate result object */
5170 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5171 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5172 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5173 mono_mb_emit_byte (mb, CEE_STLOC_3);
5177 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5178 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5179 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5180 mono_mb_emit_icon (mb, sizeof (MonoObject));
5181 mono_mb_emit_byte (mb, CEE_ADD);
5182 mono_mb_emit_byte (mb, CEE_STLOC_1);
5184 /* emit conversion code */
5185 emit_struct_conv (mb, klass, TRUE);
5187 emit_struct_free (mb, klass, loc);
5189 /* Free the pointer allocated by unmanaged code */
5190 mono_mb_emit_ldloc (mb, loc);
5191 mono_mb_emit_icall (mb, g_free);
5192 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5197 g_assert_not_reached ();
5204 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5205 MonoMarshalSpec *spec,
5206 int conv_arg, MonoType **conv_arg_type,
5207 MarshalAction action)
5209 MonoMethodBuilder *mb = m->mb;
5210 MonoClass *klass = mono_class_from_mono_type (t);
5211 gboolean need_convert, need_free;
5214 case MARSHAL_ACTION_CONV_IN:
5215 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5216 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5218 if (klass->element_class->blittable) {
5219 mono_mb_emit_ldarg (mb, argnum);
5221 mono_mb_emit_byte (mb, CEE_LDIND_I);
5222 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5223 mono_mb_emit_stloc (mb, conv_arg);
5227 guint32 label1, label2, label3;
5228 int index_var, src_var, dest_ptr, esize;
5229 MonoMarshalNative encoding;
5230 MonoMarshalConv conv;
5231 gboolean is_string = FALSE;
5233 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5235 eklass = klass->element_class;
5237 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5238 if (eklass == mono_defaults.string_class) {
5240 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5242 else if (eklass == mono_defaults.stringbuilder_class) {
5244 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5249 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5250 mono_mb_emit_ldarg (mb, argnum);
5252 mono_mb_emit_byte (mb, CEE_LDIND_I);
5253 mono_mb_emit_stloc (mb, src_var);
5256 mono_mb_emit_ldloc (mb, src_var);
5257 mono_mb_emit_stloc (mb, conv_arg);
5258 mono_mb_emit_ldloc (mb, src_var);
5259 mono_mb_emit_byte (mb, CEE_BRFALSE);
5261 mono_mb_emit_i4 (mb, 0);
5265 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5266 MonoException *exc = mono_get_exception_not_implemented (msg);
5269 mono_raise_exception (exc);
5274 esize = sizeof (gpointer);
5276 esize = mono_class_native_size (eklass, NULL);
5278 /* allocate space for the native struct and store the address */
5279 mono_mb_emit_icon (mb, esize);
5280 mono_mb_emit_ldloc (mb, src_var);
5281 mono_mb_emit_byte (mb, CEE_LDLEN);
5283 if (eklass == mono_defaults.string_class) {
5284 /* Make the array bigger for the terminating null */
5285 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5286 mono_mb_emit_byte (mb, CEE_ADD);
5288 mono_mb_emit_byte (mb, CEE_MUL);
5289 mono_mb_emit_byte (mb, CEE_PREFIX1);
5290 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5291 mono_mb_emit_stloc (mb, conv_arg);
5293 mono_mb_emit_ldloc (mb, conv_arg);
5294 mono_mb_emit_stloc (mb, dest_ptr);
5296 /* Emit marshalling loop */
5297 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5298 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5299 mono_mb_emit_stloc (mb, index_var);
5301 mono_mb_emit_ldloc (mb, index_var);
5302 mono_mb_emit_ldloc (mb, src_var);
5303 mono_mb_emit_byte (mb, CEE_LDLEN);
5304 mono_mb_emit_byte (mb, CEE_BGE);
5306 mono_mb_emit_i4 (mb, 0);
5308 /* Emit marshalling code */
5311 mono_mb_emit_ldloc (mb, dest_ptr);
5312 mono_mb_emit_ldloc (mb, src_var);
5313 mono_mb_emit_ldloc (mb, index_var);
5314 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5315 mono_mb_emit_icall (mb, conv_to_icall (conv));
5316 mono_mb_emit_byte (mb, CEE_STIND_I);
5319 /* set the src_ptr */
5320 mono_mb_emit_ldloc (mb, src_var);
5321 mono_mb_emit_ldloc (mb, index_var);
5322 mono_mb_emit_byte (mb, CEE_LDELEMA);
5323 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5324 mono_mb_emit_byte (mb, CEE_STLOC_0);
5327 mono_mb_emit_ldloc (mb, dest_ptr);
5328 mono_mb_emit_byte (mb, CEE_STLOC_1);
5330 /* emit valuetype conversion code */
5331 emit_struct_conv (mb, eklass, FALSE);
5334 mono_mb_emit_add_to_local (mb, index_var, 1);
5335 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5337 mono_mb_emit_byte (mb, CEE_BR);
5338 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5340 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5342 if (eklass == mono_defaults.string_class) {
5343 /* Null terminate */
5344 mono_mb_emit_ldloc (mb, dest_ptr);
5345 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5346 mono_mb_emit_byte (mb, CEE_STIND_REF);
5349 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5354 case MARSHAL_ACTION_CONV_OUT:
5355 /* Character arrays are implicitly marshalled as [Out] */
5356 need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
5357 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5360 if (need_convert || need_free) {
5361 /* FIXME: Optimize blittable case */
5363 guint32 label1, label2, label3;
5364 int index_var, src_ptr, loc, esize;
5366 eklass = klass->element_class;
5367 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5368 esize = sizeof (gpointer);
5370 esize = mono_class_native_size (eklass, NULL);
5371 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5372 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5375 mono_mb_emit_ldarg (mb, argnum);
5377 mono_mb_emit_byte (mb, CEE_LDIND_I);
5378 mono_mb_emit_byte (mb, CEE_BRFALSE);
5380 mono_mb_emit_i4 (mb, 0);
5382 mono_mb_emit_ldloc (mb, conv_arg);
5383 mono_mb_emit_stloc (mb, src_ptr);
5385 /* Emit marshalling loop */
5386 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5387 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5388 mono_mb_emit_stloc (mb, index_var);
5390 mono_mb_emit_ldloc (mb, index_var);
5391 mono_mb_emit_ldarg (mb, argnum);
5393 mono_mb_emit_byte (mb, CEE_LDIND_I);
5394 mono_mb_emit_byte (mb, CEE_LDLEN);
5395 mono_mb_emit_byte (mb, CEE_BGE);
5397 mono_mb_emit_i4 (mb, 0);
5399 /* Emit marshalling code */
5401 if (eklass == mono_defaults.stringbuilder_class) {
5402 gboolean need_free2;
5403 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5405 g_assert (conv != -1);
5408 mono_mb_emit_ldarg (mb, argnum);
5410 mono_mb_emit_byte (mb, CEE_LDIND_I);
5411 mono_mb_emit_ldloc (mb, index_var);
5412 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5415 mono_mb_emit_ldloc (mb, src_ptr);
5416 mono_mb_emit_byte (mb, CEE_LDIND_I);
5418 mono_mb_emit_icall (mb, conv_to_icall (conv));
5422 mono_mb_emit_ldloc (mb, src_ptr);
5423 mono_mb_emit_byte (mb, CEE_LDIND_I);
5425 mono_mb_emit_icall (mb, mono_marshal_free);
5428 else if (eklass == mono_defaults.string_class) {
5431 mono_mb_emit_ldloc (mb, src_ptr);
5432 mono_mb_emit_byte (mb, CEE_LDIND_I);
5434 mono_mb_emit_icall (mb, mono_marshal_free);
5439 /* set the src_ptr */
5440 mono_mb_emit_ldloc (mb, src_ptr);
5441 mono_mb_emit_byte (mb, CEE_STLOC_0);
5444 mono_mb_emit_ldarg (mb, argnum);
5446 mono_mb_emit_byte (mb, CEE_LDIND_I);
5447 mono_mb_emit_ldloc (mb, index_var);
5448 mono_mb_emit_byte (mb, CEE_LDELEMA);
5449 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5450 mono_mb_emit_byte (mb, CEE_STLOC_1);
5452 /* emit valuetype conversion code */
5453 emit_struct_conv (mb, eklass, TRUE);
5457 mono_mb_emit_ldloc (mb, src_ptr);
5458 mono_mb_emit_stloc (mb, loc);
5459 mono_mb_emit_ldloc (mb, loc);
5461 emit_struct_free (mb, eklass, loc);
5465 mono_mb_emit_add_to_local (mb, index_var, 1);
5466 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5468 mono_mb_emit_byte (mb, CEE_BR);
5469 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5471 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5472 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5476 case MARSHAL_ACTION_CONV_RESULT:
5477 /* fixme: we need conversions here */
5478 mono_mb_emit_byte (mb, CEE_STLOC_3);
5481 g_assert_not_reached ();
5488 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5489 MonoMarshalSpec *spec,
5490 int conv_arg, MonoType **conv_arg_type,
5491 MarshalAction action)
5493 MonoMethodBuilder *mb = m->mb;
5496 case MARSHAL_ACTION_CONV_IN: {
5497 MonoType *local_type;
5498 int variant_bool = 0;
5502 local_type = &mono_defaults.int32_class->byval_arg;
5504 switch (spec->native) {
5505 case MONO_NATIVE_I1:
5506 local_type = &mono_defaults.byte_class->byval_arg;
5508 case MONO_NATIVE_VARIANTBOOL:
5509 local_type = &mono_defaults.int16_class->byval_arg;
5513 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5514 local_type = &mono_defaults.int32_class->byval_arg;
5518 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5519 conv_arg = mono_mb_add_local (mb, local_type);
5520 mono_mb_emit_ldarg (mb, argnum);
5521 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5523 mono_mb_emit_byte (mb, CEE_NEG);
5524 mono_mb_emit_stloc (mb, conv_arg);
5528 case MARSHAL_ACTION_CONV_RESULT:
5529 /* maybe we need to make sure that it fits within 8 bits */
5530 mono_mb_emit_byte (mb, CEE_STLOC_3);
5534 g_assert_not_reached ();
5541 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5542 MonoMarshalSpec *spec, int conv_arg,
5543 MonoType **conv_arg_type, MarshalAction action)
5545 /* Ensure that we have marshalling info for this param */
5546 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5548 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5549 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5551 if (spec && spec->native == MONO_NATIVE_ASANY)
5552 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5555 case MONO_TYPE_VALUETYPE:
5556 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5557 case MONO_TYPE_STRING:
5558 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5559 case MONO_TYPE_CLASS:
5560 case MONO_TYPE_OBJECT:
5561 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5562 case MONO_TYPE_ARRAY:
5563 case MONO_TYPE_SZARRAY:
5564 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5565 case MONO_TYPE_BOOLEAN:
5566 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5573 * mono_marshal_get_native_wrapper:
5574 * @method: The MonoMethod to wrap.
5576 * generates IL code for the pinvoke wrapper (the generated method
5577 * calls the unmanaged code in piinfo->addr)
5580 mono_marshal_get_native_wrapper (MonoMethod *method)
5582 EmitMarshalContext m;
5583 MonoMethodSignature *sig, *csig;
5584 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5585 MonoMethodBuilder *mb;
5586 MonoMarshalSpec **mspecs;
5590 gboolean pinvoke = FALSE;
5591 int i, argnum, *tmp_locals;
5593 const char *exc_class = "MissingMethodException";
5594 const char *exc_arg = NULL;
5596 g_assert (method != NULL);
5597 g_assert (method->signature->pinvoke);
5599 cache = method->klass->image->native_wrapper_cache;
5600 if ((res = mono_marshal_find_in_cache (cache, method)))
5603 sig = method->signature;
5605 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5606 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5609 if (!piinfo->addr) {
5611 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
5613 piinfo->addr = mono_lookup_internal_call (method);
5616 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5618 mb->method->save_lmf = 1;
5620 if (!piinfo->addr) {
5621 mono_mb_emit_exception (mb, exc_class, exc_arg);
5622 csig = mono_metadata_signature_dup (sig);
5624 res = mono_mb_create_and_cache (cache, method,
5625 mb, csig, csig->param_count + 16);
5633 /* internal calls: we simply push all arguments and call the method (no conversions) */
5634 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5636 /* hack - string constructors returns a value */
5637 if (method->string_ctor) {
5638 csig = mono_metadata_signature_dup (sig);
5639 csig->ret = &mono_defaults.string_class->byval_arg;
5644 mono_mb_emit_byte (mb, CEE_LDARG_0);
5646 for (i = 0; i < sig->param_count; i++)
5647 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5649 g_assert (piinfo->addr);
5650 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5651 emit_thread_interrupt_checkpoint (mb);
5652 mono_mb_emit_byte (mb, CEE_RET);
5654 csig = mono_metadata_signature_dup (csig);
5656 res = mono_mb_create_and_cache (cache, method,
5657 mb, csig, csig->param_count + 16);
5664 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
5665 mono_method_get_marshal_info (method, mspecs);
5667 /* pinvoke: we need to convert the arguments if necessary */
5669 /* we copy the signature, so that we can set pinvoke to 0 */
5670 csig = mono_metadata_signature_dup (sig);
5673 /* we allocate local for use with emit_struct_conv() */
5674 /* allocate local 0 (pointer) src_ptr */
5675 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5676 /* allocate local 1 (pointer) dst_ptr */
5677 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5678 /* allocate local 2 (boolean) delete_old */
5679 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5681 /* delete_old = FALSE */
5682 mono_mb_emit_icon (mb, 0);
5683 mono_mb_emit_byte (mb, CEE_STLOC_2);
5685 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5686 /* allocate local 3 to store the return value */
5687 mono_mb_add_local (mb, sig->ret);
5690 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5691 /* Return type custom marshaling */
5693 * Since we can't determine the return type of the unmanaged function,
5694 * we assume it returns a pointer, and pass that pointer to
5695 * MarshalNativeToManaged.
5697 csig->ret = &mono_defaults.int_class->byval_arg;
5700 /* we first do all conversions */
5701 tmp_locals = alloca (sizeof (int) * sig->param_count);
5702 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5704 for (i = 0; i < sig->param_count; i ++) {
5705 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5708 /* push all arguments */
5711 mono_mb_emit_byte (mb, CEE_LDARG_0);
5713 for (i = 0; i < sig->param_count; i++) {
5714 MonoType *t = sig->params [i];
5715 MonoMarshalSpec *spec = mspecs [i + 1];
5717 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5718 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5720 argnum = i + sig->hasthis;
5723 case MONO_TYPE_BOOLEAN:
5725 g_assert (tmp_locals [i]);
5726 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5728 mono_mb_emit_ldarg (mb, argnum);
5743 mono_mb_emit_ldarg (mb, argnum);
5745 case MONO_TYPE_VALUETYPE:
5746 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5748 case MONO_TYPE_STRING:
5749 case MONO_TYPE_CLASS:
5750 case MONO_TYPE_OBJECT:
5751 case MONO_TYPE_ARRAY:
5752 case MONO_TYPE_SZARRAY:
5753 g_assert (tmp_locals [i]);
5755 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5757 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5759 case MONO_TYPE_CHAR:
5760 /* fixme: dont know how to marshal that. We cant simply
5761 * convert it to a one byte UTF8 character, because an
5762 * unicode character may need more that one byte in UTF8 */
5763 mono_mb_emit_ldarg (mb, argnum);
5765 case MONO_TYPE_TYPEDBYREF:
5766 case MONO_TYPE_FNPTR:
5768 g_warning ("type 0x%02x unknown", t->type);
5769 g_assert_not_reached ();
5774 /* call the native method */
5775 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5777 /* Set LastError if needed */
5778 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5779 MonoMethodSignature *lasterr_sig;
5781 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5782 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5783 lasterr_sig->pinvoke = 1;
5785 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
5788 /* convert the result */
5789 if (!sig->ret->byref) {
5790 MonoMarshalSpec *spec = mspecs [0];
5791 type = sig->ret->type;
5793 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
5794 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5799 case MONO_TYPE_VOID:
5814 /* no conversions necessary */
5815 mono_mb_emit_byte (mb, CEE_STLOC_3);
5817 case MONO_TYPE_VALUETYPE:
5818 klass = sig->ret->data.klass;
5819 if (klass->enumtype) {
5820 type = sig->ret->data.klass->enum_basetype->type;
5823 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5825 case MONO_TYPE_STRING:
5826 case MONO_TYPE_CLASS:
5827 case MONO_TYPE_OBJECT:
5828 case MONO_TYPE_BOOLEAN:
5829 case MONO_TYPE_ARRAY:
5830 case MONO_TYPE_SZARRAY:
5831 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5833 case MONO_TYPE_CHAR:
5834 /* fixme: we need conversions here */
5835 mono_mb_emit_byte (mb, CEE_STLOC_3);
5837 case MONO_TYPE_TYPEDBYREF:
5838 case MONO_TYPE_FNPTR:
5840 g_warning ("return type 0x%02x unknown", sig->ret->type);
5841 g_assert_not_reached ();
5845 mono_mb_emit_byte (mb, CEE_STLOC_3);
5849 * Need to call this after converting the result since MONO_VTADDR needs
5850 * to be adjacent to the call instruction.
5852 emit_thread_interrupt_checkpoint (mb);
5854 /* we need to convert byref arguments back and free string arrays */
5855 for (i = 0; i < sig->param_count; i++) {
5856 MonoType *t = sig->params [i];
5857 MonoMarshalSpec *spec = mspecs [i + 1];
5859 argnum = i + sig->hasthis;
5861 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
5862 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5867 case MONO_TYPE_STRING:
5868 case MONO_TYPE_VALUETYPE:
5869 case MONO_TYPE_CLASS:
5870 case MONO_TYPE_OBJECT:
5871 case MONO_TYPE_SZARRAY:
5872 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5874 case MONO_TYPE_BOOLEAN:
5877 mono_mb_emit_ldarg (mb, argnum);
5878 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5879 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
5880 mono_mb_emit_byte (mb, CEE_NEG);
5881 mono_mb_emit_byte (mb, CEE_STIND_I1);
5885 if (!MONO_TYPE_IS_VOID(sig->ret))
5886 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5888 mono_mb_emit_byte (mb, CEE_RET);
5890 csig = mono_metadata_signature_dup (sig);
5892 res = mono_mb_create_and_cache (cache, method,
5893 mb, csig, csig->param_count + 16);
5896 for (i = sig->param_count; i >= 0; i--)
5897 g_free (mspecs [i]);
5900 /* 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)); */
5906 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
5908 static MonoReflectionType *
5909 type_from_handle (MonoType *handle)
5911 MonoDomain *domain = mono_domain_get ();
5912 MonoClass *klass = mono_class_from_mono_type (handle);
5914 MONO_ARCH_SAVE_REGS;
5916 mono_class_init (klass);
5917 return mono_type_get_object (domain, handle);
5921 * mono_marshal_get_isinst:
5922 * @klass: the type of the field
5924 * This method generates a function which can be used to check if an object is
5925 * an instance of the given type, icluding the case where the object is a proxy.
5926 * The generated function has the following signature:
5927 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
5930 mono_marshal_get_isinst (MonoClass *klass)
5932 static MonoMethodSignature *isint_sig = NULL;
5933 static GHashTable *isinst_hash = NULL;
5935 int pos_was_ok, pos_failed, pos_end, pos_end2;
5937 MonoMethodBuilder *mb;
5939 EnterCriticalSection (&marshal_mutex);
5941 isinst_hash = g_hash_table_new (NULL, NULL);
5943 res = g_hash_table_lookup (isinst_hash, klass);
5944 LeaveCriticalSection (&marshal_mutex);
5949 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5950 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
5951 isint_sig->ret = &mono_defaults.object_class->byval_arg;
5952 isint_sig->pinvoke = 0;
5955 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
5956 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
5959 mb->method->save_lmf = 1;
5961 /* check if the object is a proxy that needs special cast */
5962 mono_mb_emit_ldarg (mb, 0);
5963 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5964 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
5965 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5967 /* The result of MONO_ISINST can be:
5968 0) the type check succeeded
5969 1) the type check did not succeed
5970 2) a CanCastTo call is needed */
5972 mono_mb_emit_byte (mb, CEE_DUP);
5973 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
5975 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
5976 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
5978 /* get the real proxy from the transparent proxy*/
5980 mono_mb_emit_ldarg (mb, 0);
5981 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
5982 pos_end = mono_mb_emit_branch (mb, CEE_BR);
5986 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5987 mono_mb_emit_byte (mb, CEE_LDNULL);
5988 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
5992 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
5993 mono_mb_emit_byte (mb, CEE_POP);
5994 mono_mb_emit_ldarg (mb, 0);
5998 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
5999 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6000 mono_mb_emit_byte (mb, CEE_RET);
6002 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6009 * mono_marshal_get_castclass:
6010 * @klass: the type of the field
6012 * This method generates a function which can be used to cast an object to
6013 * an instance of the given type, icluding the case where the object is a proxy.
6014 * The generated function has the following signature:
6015 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6018 mono_marshal_get_castclass (MonoClass *klass)
6020 static MonoMethodSignature *castclass_sig = NULL;
6021 static GHashTable *castclass_hash = NULL;
6023 int pos_was_ok, pos_was_ok2;
6025 MonoMethodBuilder *mb;
6027 EnterCriticalSection (&marshal_mutex);
6028 if (!castclass_hash)
6029 castclass_hash = g_hash_table_new (NULL, NULL);
6031 res = g_hash_table_lookup (castclass_hash, klass);
6032 LeaveCriticalSection (&marshal_mutex);
6036 if (!castclass_sig) {
6037 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6038 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6039 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6040 castclass_sig->pinvoke = 0;
6043 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6044 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6047 mb->method->save_lmf = 1;
6049 /* check if the object is a proxy that needs special cast */
6050 mono_mb_emit_ldarg (mb, 0);
6051 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6052 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6053 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6055 /* The result of MONO_ISINST can be:
6056 0) the cast is valid
6057 1) cast of unknown proxy type
6058 or an exception if the cast is is invalid
6061 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6063 /* get the real proxy from the transparent proxy*/
6065 mono_mb_emit_ldarg (mb, 0);
6066 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6067 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6070 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6073 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6074 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6075 mono_mb_emit_ldarg (mb, 0);
6078 mono_mb_emit_byte (mb, CEE_RET);
6080 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6087 mono_marshal_get_proxy_cancast (MonoClass *klass)
6089 static MonoMethodSignature *from_handle_sig = NULL;
6090 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6091 static MonoMethodSignature *isint_sig = NULL;
6092 static GHashTable *proxy_isinst_hash = NULL;
6094 int pos_failed, pos_end;
6096 MonoMethod *can_cast_to;
6097 MonoMethodDesc *desc;
6098 MonoMethodBuilder *mb;
6100 EnterCriticalSection (&marshal_mutex);
6101 if (!proxy_isinst_hash)
6102 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6104 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6105 LeaveCriticalSection (&marshal_mutex);
6110 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6111 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6112 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6113 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6114 upgrade_proxy_sig->pinvoke = 1;
6116 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6117 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6118 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6120 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6121 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6122 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6123 isint_sig->pinvoke = 0;
6126 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6127 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6130 mb->method->save_lmf = 1;
6132 /* get the real proxy from the transparent proxy*/
6133 mono_mb_emit_ldarg (mb, 0);
6134 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6135 mono_mb_emit_byte (mb, CEE_LDIND_I);
6137 /* get the refletion type from the type handle */
6138 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6139 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6140 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6141 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6143 mono_mb_emit_ldarg (mb, 0);
6145 /* make the call to CanCastTo (type, ob) */
6146 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6147 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6148 g_assert (can_cast_to);
6149 mono_method_desc_free (desc);
6150 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6151 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6154 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6156 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6157 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6158 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6159 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6160 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6161 mono_mb_emit_ldarg (mb, 0);
6163 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6164 emit_thread_interrupt_checkpoint (mb);
6166 mono_mb_emit_ldarg (mb, 0);
6167 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6171 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6172 mono_mb_emit_byte (mb, CEE_LDNULL);
6176 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6177 mono_mb_emit_byte (mb, CEE_RET);
6179 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6186 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6189 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6190 klass = mono_class_from_mono_type (rtype->type);
6191 mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
6192 ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
6196 * mono_marshal_get_struct_to_ptr:
6199 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6202 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6204 MonoMethodBuilder *mb;
6205 static MonoMethod *stoptr = NULL;
6208 g_assert (klass != NULL);
6210 mono_marshal_load_type_info (klass);
6212 if (klass->str_to_ptr)
6213 return klass->str_to_ptr;
6216 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6219 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6221 if (klass->blittable) {
6222 mono_mb_emit_byte (mb, CEE_LDARG_1);
6223 mono_mb_emit_byte (mb, CEE_LDARG_0);
6224 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6225 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6226 mono_mb_emit_byte (mb, CEE_PREFIX1);
6227 mono_mb_emit_byte (mb, CEE_CPBLK);
6230 /* allocate local 0 (pointer) src_ptr */
6231 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6232 /* allocate local 1 (pointer) dst_ptr */
6233 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6234 /* allocate local 2 (boolean) delete_old */
6235 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6236 mono_mb_emit_byte (mb, CEE_LDARG_2);
6237 mono_mb_emit_byte (mb, CEE_STLOC_2);
6239 /* initialize src_ptr to point to the start of object data */
6240 mono_mb_emit_byte (mb, CEE_LDARG_0);
6241 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6242 mono_mb_emit_byte (mb, CEE_STLOC_0);
6244 /* initialize dst_ptr */
6245 mono_mb_emit_byte (mb, CEE_LDARG_1);
6246 mono_mb_emit_byte (mb, CEE_STLOC_1);
6248 emit_struct_conv (mb, klass, FALSE);
6251 mono_mb_emit_byte (mb, CEE_RET);
6253 res = mono_mb_create_method (mb, stoptr->signature, 0);
6256 klass->str_to_ptr = res;
6261 * mono_marshal_get_ptr_to_struct:
6264 * generates IL code for PtrToStructure (IntPtr src, object structure)
6267 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6269 MonoMethodBuilder *mb;
6270 static MonoMethod *ptostr = NULL;
6273 g_assert (klass != NULL);
6275 mono_marshal_load_type_info (klass);
6277 if (klass->ptr_to_str)
6278 return klass->ptr_to_str;
6281 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6284 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6286 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6287 mono_mb_emit_byte (mb, CEE_LDARG_1);
6288 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6289 mono_mb_emit_byte (mb, CEE_LDARG_0);
6290 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6291 mono_mb_emit_byte (mb, CEE_PREFIX1);
6292 mono_mb_emit_byte (mb, CEE_CPBLK);
6295 /* allocate local 0 (pointer) src_ptr */
6296 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6297 /* allocate local 1 (pointer) dst_ptr */
6298 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6300 /* initialize src_ptr to point to the start of object data */
6301 mono_mb_emit_byte (mb, CEE_LDARG_0);
6302 mono_mb_emit_byte (mb, CEE_STLOC_0);
6304 /* initialize dst_ptr */
6305 mono_mb_emit_byte (mb, CEE_LDARG_1);
6306 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6307 mono_mb_emit_byte (mb, CEE_STLOC_1);
6309 emit_struct_conv (mb, klass, TRUE);
6312 mono_mb_emit_byte (mb, CEE_RET);
6314 res = mono_mb_create_method (mb, ptostr->signature, 0);
6317 klass->ptr_to_str = res;
6322 * generates IL code for the synchronized wrapper: the generated method
6323 * calls METHOD while locking 'this' or the parent type.
6326 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6328 static MonoMethodSignature *from_handle_sig = NULL;
6329 static MonoMethod *enter_method, *exit_method;
6330 MonoMethodSignature *sig;
6331 MonoExceptionClause *clause;
6332 MonoMethodHeader *header;
6333 MonoMethodBuilder *mb;
6336 int i, pos, this_local, ret_local = 0;
6340 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6343 cache = method->klass->image->synchronized_cache;
6344 if ((res = mono_marshal_find_in_cache (cache, method)))
6347 sig = signature_no_pinvoke (method->signature);
6349 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6352 if (!MONO_TYPE_IS_VOID (sig->ret))
6353 ret_local = mono_mb_add_local (mb, sig->ret);
6356 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6358 clause = g_new0 (MonoExceptionClause, 1);
6359 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6361 if (!enter_method) {
6362 MonoMethodDesc *desc;
6364 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6365 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6366 g_assert (enter_method);
6367 mono_method_desc_free (desc);
6368 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6369 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6370 g_assert (exit_method);
6371 mono_method_desc_free (desc);
6374 * GetTypeFromHandle isn't called as a managed method because it has
6375 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6376 * transformed into something else by the JIT.
6378 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6379 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6380 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6383 /* Push this or the type object */
6384 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
6385 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6386 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6387 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
6388 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6391 mono_mb_emit_ldarg (mb, 0);
6392 mono_mb_emit_stloc (mb, this_local);
6394 /* Call Monitor::Enter() */
6395 mono_mb_emit_ldloc (mb, this_local);
6396 mono_mb_emit_managed_call (mb, enter_method, NULL);
6398 clause->try_offset = mb->pos;
6400 /* Call the method */
6402 mono_mb_emit_ldarg (mb, 0);
6403 for (i = 0; i < sig->param_count; i++)
6404 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
6406 /* this is needed to avoid recursion */
6407 mono_mb_emit_byte (mb, CEE_PREFIX1);
6408 mono_mb_emit_byte (mb, CEE_LDFTN);
6409 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
6410 mono_mb_emit_calli (mb, method->signature);
6412 if (!MONO_TYPE_IS_VOID (sig->ret))
6413 mono_mb_emit_stloc (mb, ret_local);
6415 mono_mb_emit_byte (mb, CEE_LEAVE);
6417 mono_mb_emit_i4 (mb, 0);
6419 clause->try_len = mb->pos - clause->try_offset;
6420 clause->handler_offset = mb->pos;
6422 /* Call Monitor::Exit() */
6423 mono_mb_emit_ldloc (mb, this_local);
6424 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
6425 mono_mb_emit_managed_call (mb, exit_method, NULL);
6426 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
6428 clause->handler_len = mb->pos - clause->handler_offset;
6430 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6431 if (!MONO_TYPE_IS_VOID (sig->ret))
6432 mono_mb_emit_ldloc (mb, ret_local);
6433 mono_mb_emit_byte (mb, CEE_RET);
6435 res = mono_mb_create_and_cache (cache, method,
6436 mb, sig, sig->param_count + 16);
6439 header = ((MonoMethodNormal *)res)->header;
6440 header->num_clauses = 1;
6441 header->clauses = clause;
6448 * the returned method calls 'method' unboxing the this argument
6451 mono_marshal_get_unbox_wrapper (MonoMethod *method)
6453 MonoMethodSignature *sig = method->signature;
6455 MonoMethodBuilder *mb;
6459 cache = method->klass->image->unbox_wrapper_cache;
6460 if ((res = mono_marshal_find_in_cache (cache, method)))
6463 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
6465 g_assert (sig->hasthis);
6467 mono_mb_emit_ldarg (mb, 0);
6468 mono_mb_emit_icon (mb, sizeof (MonoObject));
6469 mono_mb_emit_byte (mb, CEE_ADD);
6470 for (i = 0; i < sig->param_count; ++i)
6471 mono_mb_emit_ldarg (mb, i + 1);
6472 mono_mb_emit_managed_call (mb, method, NULL);
6473 mono_mb_emit_byte (mb, CEE_RET);
6475 res = mono_mb_create_and_cache (cache, method,
6476 mb, sig, sig->param_count + 16);
6479 /* 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)); */
6485 mono_marshal_get_stelemref ()
6487 static MonoMethod* ret = NULL;
6488 MonoMethodSignature *sig;
6489 MonoMethodBuilder *mb;
6491 guint32 b1, b2, b3, b4;
6494 int array_slot_addr;
6499 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
6502 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
6504 /* void stelemref (void* array, int idx, void* value) */
6505 sig->ret = &mono_defaults.void_class->byval_arg;
6506 sig->params [0] = &mono_defaults.object_class->byval_arg;
6507 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
6508 sig->params [2] = &mono_defaults.object_class->byval_arg;
6510 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6511 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6512 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
6516 <ldelema (bound check)>
6520 aklass = array->vtable->klass->element_class;
6521 vklass = value->vtable->klass;
6523 if (vklass->idepth < aklass->idepth)
6526 if (vklass->supertypes [aklass->idepth - 1] != aklass)
6530 *array_slot_addr = value;
6534 if (mono_object_isinst (value, aklass))
6537 throw new ArrayTypeMismatchException ();
6540 /* ldelema (implicit bound check) */
6541 mono_mb_emit_ldarg (mb, 0);
6542 mono_mb_emit_ldarg (mb, 1);
6543 mono_mb_emit_byte (mb, CEE_LDELEMA);
6544 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
6545 mono_mb_emit_stloc (mb, array_slot_addr);
6547 /* if (!value) goto do_store */
6548 mono_mb_emit_ldarg (mb, 2);
6549 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6551 /* aklass = array->vtable->klass->element_class */
6552 mono_mb_emit_ldarg (mb, 0);
6553 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6554 mono_mb_emit_byte (mb, CEE_LDIND_I);
6555 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6556 mono_mb_emit_byte (mb, CEE_LDIND_I);
6557 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
6558 mono_mb_emit_byte (mb, CEE_LDIND_I);
6559 mono_mb_emit_stloc (mb, aklass);
6561 /* vklass = value->vtable->klass */
6562 mono_mb_emit_ldarg (mb, 2);
6563 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6564 mono_mb_emit_byte (mb, CEE_LDIND_I);
6565 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6566 mono_mb_emit_byte (mb, CEE_LDIND_I);
6567 mono_mb_emit_stloc (mb, vklass);
6569 /* if (vklass->idepth < aklass->idepth) goto failue */
6570 mono_mb_emit_ldloc (mb, vklass);
6571 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6572 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6574 mono_mb_emit_ldloc (mb, aklass);
6575 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6576 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6578 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
6580 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
6581 mono_mb_emit_ldloc (mb, vklass);
6582 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
6583 mono_mb_emit_byte (mb, CEE_LDIND_I);
6585 mono_mb_emit_ldloc (mb, aklass);
6586 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6587 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6588 mono_mb_emit_icon (mb, 1);
6589 mono_mb_emit_byte (mb, CEE_SUB);
6590 mono_mb_emit_icon (mb, sizeof (void*));
6591 mono_mb_emit_byte (mb, CEE_MUL);
6592 mono_mb_emit_byte (mb, CEE_ADD);
6593 mono_mb_emit_byte (mb, CEE_LDIND_I);
6595 mono_mb_emit_ldloc (mb, aklass);
6597 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
6601 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
6602 mono_mb_emit_ldloc (mb, array_slot_addr);
6603 mono_mb_emit_ldarg (mb, 2);
6604 mono_mb_emit_byte (mb, CEE_STIND_REF);
6606 mono_mb_emit_byte (mb, CEE_RET);
6609 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
6610 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
6612 mono_mb_emit_ldarg (mb, 2);
6613 mono_mb_emit_ldloc (mb, aklass);
6614 mono_mb_emit_icall (mb, mono_object_isinst);
6616 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6617 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
6618 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
6620 mono_mb_emit_byte (mb, CEE_RET);
6621 ret = mono_mb_create_method (mb, sig, 4);
6627 mono_marshal_alloc (gulong size)
6631 #ifdef PLATFORM_WIN32
6632 res = CoTaskMemAlloc (size);
6634 res = g_try_malloc ((gulong)size);
6636 mono_gc_out_of_memory ((gulong)size);
6642 mono_marshal_free (gpointer ptr)
6644 #ifdef PLATFORM_WIN32
6645 CoTaskMemFree (ptr);
6652 mono_marshal_free_array (gpointer *ptr, int size)
6659 for (i = 0; i < size; i++)
6665 mono_marshal_realloc (gpointer ptr, gpointer size)
6667 MONO_ARCH_SAVE_REGS;
6669 return g_try_realloc (ptr, (gulong)size);
6673 mono_marshal_string_to_utf16 (MonoString *s)
6675 return s ? mono_string_chars (s) : NULL;
6679 * mono_marshal_set_last_error:
6681 * This function is invoked to set the last error value from a P/Invoke call
6682 * which has SetLastError set.
6685 mono_marshal_set_last_error (void)
6688 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
6690 TlsSetValue (last_error_tls_id, (gpointer)errno);
6695 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
6696 gpointer dest, gint32 length)
6701 MONO_ARCH_SAVE_REGS;
6703 MONO_CHECK_ARG_NULL (src);
6704 MONO_CHECK_ARG_NULL (dest);
6706 g_assert (src->obj.vtable->klass->rank == 1);
6707 g_assert (start_index >= 0);
6708 g_assert (length >= 0);
6709 g_assert (start_index + length <= mono_array_length (src));
6711 element_size = mono_array_element_size (src->obj.vtable->klass);
6713 source_addr = mono_array_addr_with_size (src, element_size, start_index);
6715 memcpy (dest, source_addr, length * element_size);
6719 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
6720 MonoArray *dest, gint32 length)
6725 MONO_ARCH_SAVE_REGS;
6727 MONO_CHECK_ARG_NULL (src);
6728 MONO_CHECK_ARG_NULL (dest);
6730 g_assert (dest->obj.vtable->klass->rank == 1);
6731 g_assert (start_index >= 0);
6732 g_assert (length >= 0);
6733 g_assert (start_index + length <= mono_array_length (dest));
6735 element_size = mono_array_element_size (dest->obj.vtable->klass);
6737 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
6739 memcpy (dest_addr, src, length * element_size);
6742 #if NO_UNALIGNED_ACCESS
6743 #define RETURN_UNALIGNED(type, addr) \
6746 memcpy(&val, p + offset, sizeof(val)); \
6749 #define WRITE_UNALIGNED(type, addr, val) \
6750 memcpy(addr, &val, sizeof(type))
6752 #define RETURN_UNALIGNED(type, addr) \
6753 return *(type*)(p + offset);
6754 #define WRITE_UNALIGNED(type, addr, val) \
6755 (*(type *)(addr) = (val))
6759 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
6763 MONO_ARCH_SAVE_REGS;
6765 RETURN_UNALIGNED(gpointer, p + offset);
6769 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
6773 MONO_ARCH_SAVE_REGS;
6775 return *(unsigned char*)(p + offset);
6779 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
6783 MONO_ARCH_SAVE_REGS;
6785 RETURN_UNALIGNED(gint16, p + offset);
6789 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
6793 MONO_ARCH_SAVE_REGS;
6795 RETURN_UNALIGNED(gint32, p + offset);
6799 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
6803 MONO_ARCH_SAVE_REGS;
6805 RETURN_UNALIGNED(gint64, p + offset);
6809 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
6813 MONO_ARCH_SAVE_REGS;
6815 *(unsigned char*)(p + offset) = val;
6819 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
6823 MONO_ARCH_SAVE_REGS;
6825 WRITE_UNALIGNED(gpointer, p + offset, val);
6829 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
6833 MONO_ARCH_SAVE_REGS;
6835 WRITE_UNALIGNED(gint16, p + offset, val);
6839 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
6843 MONO_ARCH_SAVE_REGS;
6845 WRITE_UNALIGNED(gint32, p + offset, val);
6849 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
6853 MONO_ARCH_SAVE_REGS;
6855 WRITE_UNALIGNED(gint64, p + offset, val);
6859 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
6861 MONO_ARCH_SAVE_REGS;
6866 return mono_string_new (mono_domain_get (), ptr);
6870 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
6872 MONO_ARCH_SAVE_REGS;
6875 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6876 g_assert_not_reached ();
6879 return mono_string_new_len (mono_domain_get (), ptr, len);
6883 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
6885 MonoDomain *domain = mono_domain_get ();
6889 MONO_ARCH_SAVE_REGS;
6897 return mono_string_new_utf16 (domain, ptr, len);
6901 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
6903 MonoDomain *domain = mono_domain_get ();
6905 MONO_ARCH_SAVE_REGS;
6908 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6909 g_assert_not_reached ();
6912 return mono_string_new_utf16 (domain, ptr, len);
6916 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
6918 MONO_ARCH_SAVE_REGS;
6920 g_warning ("PtrToStringBSTR not implemented");
6921 g_assert_not_reached ();
6927 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
6929 MONO_ARCH_SAVE_REGS;
6931 return ((guint32)TlsGetValue (last_error_tls_id));
6935 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
6941 MONO_ARCH_SAVE_REGS;
6943 MONO_CHECK_ARG_NULL (rtype);
6946 klass = mono_class_from_mono_type (type);
6947 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
6949 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6953 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
6954 exc = mono_get_exception_argument ("t", msg);
6956 mono_raise_exception (exc);
6960 return mono_class_native_size (klass, NULL);
6964 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
6969 MONO_ARCH_SAVE_REGS;
6971 MONO_CHECK_ARG_NULL (obj);
6972 MONO_CHECK_ARG_NULL (dst);
6974 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
6978 pa [2] = &delete_old;
6980 mono_runtime_invoke (method, NULL, pa, NULL);
6984 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
6989 MONO_ARCH_SAVE_REGS;
6991 MONO_CHECK_ARG_NULL (src);
6992 MONO_CHECK_ARG_NULL (dst);
6994 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
6999 mono_runtime_invoke (method, NULL, pa, NULL);
7003 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7005 MonoDomain *domain = mono_domain_get ();
7008 MONO_ARCH_SAVE_REGS;
7010 MONO_CHECK_ARG_NULL (src);
7011 MONO_CHECK_ARG_NULL (type);
7013 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7015 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7021 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7023 MonoMarshalType *info;
7026 int i, match_index = -1;
7028 MONO_ARCH_SAVE_REGS;
7030 MONO_CHECK_ARG_NULL (type);
7031 MONO_CHECK_ARG_NULL (field_name);
7033 fname = mono_string_to_utf8 (field_name);
7034 klass = mono_class_from_mono_type (type->type);
7036 while (klass && match_index == -1) {
7037 for (i = 0; i < klass->field.count; ++i) {
7038 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
7044 if (match_index == -1)
7045 klass = klass->parent;
7050 if(match_index == -1) {
7054 /* Get back original class instance */
7055 klass = mono_class_from_mono_type (type->type);
7057 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7058 exc = mono_get_exception_argument ("fieldName", tmp);
7061 mono_raise_exception ((MonoException*)exc);
7064 info = mono_marshal_load_type_info (klass);
7065 return info->fields [match_index].offset;
7069 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7071 MONO_ARCH_SAVE_REGS;
7073 return mono_string_to_utf8 (string);
7077 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7079 MONO_ARCH_SAVE_REGS;
7084 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7088 mono_struct_delete_old (MonoClass *klass, char *ptr)
7090 MonoMarshalType *info;
7093 info = mono_marshal_load_type_info (klass);
7095 for (i = 0; i < info->num_fields; i++) {
7096 MonoMarshalNative ntype;
7097 MonoMarshalConv conv;
7098 MonoType *ftype = info->fields [i].field->type;
7101 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7104 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7105 klass->unicode, &conv);
7107 cpos = ptr + info->fields [i].offset;
7110 case MONO_MARSHAL_CONV_NONE:
7111 if (MONO_TYPE_ISSTRUCT (ftype)) {
7112 mono_struct_delete_old (ftype->data.klass, cpos);
7116 case MONO_MARSHAL_CONV_STR_LPWSTR:
7117 case MONO_MARSHAL_CONV_STR_LPSTR:
7118 case MONO_MARSHAL_CONV_STR_LPTSTR:
7119 case MONO_MARSHAL_CONV_STR_BSTR:
7120 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7121 case MONO_MARSHAL_CONV_STR_TBSTR:
7122 mono_marshal_free (*(gpointer *)cpos);
7131 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7135 MONO_ARCH_SAVE_REGS;
7137 MONO_CHECK_ARG_NULL (src);
7138 MONO_CHECK_ARG_NULL (type);
7140 klass = mono_class_from_mono_type (type->type);
7142 mono_struct_delete_old (klass, (char *)src);
7146 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7148 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7152 MONO_ARCH_SAVE_REGS;
7154 if ((gulong)size == 0)
7155 /* This returns a valid pointer for size 0 on MS.NET */
7158 res = g_try_malloc ((gulong)size);
7160 mono_gc_out_of_memory ((gulong)size);
7166 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7168 MONO_ARCH_SAVE_REGS;
7174 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7176 MONO_ARCH_SAVE_REGS;
7178 #ifdef PLATFORM_WIN32
7179 return CoTaskMemAlloc (size);
7181 return g_try_malloc ((gulong)size);
7186 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7188 MONO_ARCH_SAVE_REGS;
7190 #ifdef PLATFORM_WIN32
7191 CoTaskMemFree (ptr);
7198 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7200 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7204 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7206 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7210 mono_marshal_load_type_info (MonoClass* klass)
7212 int i, j, count = 0, native_size = 0, min_align = 1;
7213 MonoMarshalType *info;
7216 g_assert (klass != NULL);
7218 if (klass->marshal_info)
7219 return klass->marshal_info;
7222 mono_class_init (klass);
7224 for (i = 0; i < klass->field.count; ++i) {
7225 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7227 if (mono_field_is_deleted (&klass->fields [i]))
7232 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7234 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7235 info->num_fields = count;
7237 /* Try to find a size for this type in metadata */
7238 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7240 if (klass->parent) {
7241 int parent_size = mono_class_native_size (klass->parent, NULL);
7243 /* Add parent size to real size */
7244 native_size += parent_size;
7245 info->native_size = parent_size;
7248 for (j = i = 0; i < klass->field.count; ++i) {
7251 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7254 if (mono_field_is_deleted (&klass->fields [i]))
7256 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7257 mono_metadata_field_info (klass->image, klass->field.first + i,
7258 NULL, NULL, &info->fields [j].mspec);
7260 info->fields [j].field = &klass->fields [i];
7262 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7263 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
7264 /* This field is a hack inserted by MCS to empty structures */
7269 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7270 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7271 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7272 &align, TRUE, klass->unicode);
7273 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7274 min_align = MAX (align, min_align);
7275 info->fields [j].offset = info->native_size;
7276 info->fields [j].offset += align - 1;
7277 info->fields [j].offset &= ~(align - 1);
7278 info->native_size = info->fields [j].offset + size;
7280 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7281 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7282 &align, TRUE, klass->unicode);
7283 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7284 min_align = MAX (align, min_align);
7285 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
7286 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7292 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7293 info->native_size = MAX (native_size, info->native_size);
7296 if (info->native_size & (min_align - 1)) {
7297 info->native_size += min_align - 1;
7298 info->native_size &= ~(min_align - 1);
7301 /* Update the class's blittable info, if the layouts don't match */
7302 if (info->native_size != mono_class_value_size (klass, NULL))
7303 klass->blittable = FALSE;
7305 /* If this is an array type, ensure that we have element info */
7306 if (klass->element_class) {
7307 mono_marshal_load_type_info (klass->element_class);
7310 return klass->marshal_info;
7314 * mono_class_native_size:
7317 * Returns: the native size of an object instance (when marshaled
7318 * to unmanaged code)
7321 mono_class_native_size (MonoClass *klass, guint32 *align)
7323 if (!klass->marshal_info)
7324 mono_marshal_load_type_info (klass);
7327 *align = klass->min_align;
7329 return klass->marshal_info->native_size;
7333 * mono_type_native_stack_size:
7334 * @t: the type to return the size it uses on the stack
7336 * Returns: the number of bytes required to hold an instance of this
7337 * type on the native stack
7340 mono_type_native_stack_size (MonoType *t, gint *align)
7344 g_assert (t != NULL);
7355 case MONO_TYPE_BOOLEAN:
7356 case MONO_TYPE_CHAR:
7365 case MONO_TYPE_STRING:
7366 case MONO_TYPE_OBJECT:
7367 case MONO_TYPE_CLASS:
7368 case MONO_TYPE_SZARRAY:
7370 case MONO_TYPE_FNPTR:
7371 case MONO_TYPE_ARRAY:
7372 case MONO_TYPE_TYPEDBYREF:
7383 case MONO_TYPE_VALUETYPE: {
7386 if (t->data.klass->enumtype)
7387 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
7389 size = mono_class_native_size (t->data.klass, align);
7390 *align = *align + 3;
7400 g_error ("type 0x%02x unknown", t->type);
7405 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
7406 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
7407 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
7408 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
7411 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
7412 gboolean as_field, gboolean unicode)
7414 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
7417 switch (native_type) {
7418 case MONO_NATIVE_BOOLEAN:
7421 case MONO_NATIVE_I1:
7422 case MONO_NATIVE_U1:
7425 case MONO_NATIVE_I2:
7426 case MONO_NATIVE_U2:
7427 case MONO_NATIVE_VARIANTBOOL:
7430 case MONO_NATIVE_I4:
7431 case MONO_NATIVE_U4:
7432 case MONO_NATIVE_ERROR:
7435 case MONO_NATIVE_I8:
7436 case MONO_NATIVE_U8:
7437 *align = ALIGNMENT(guint64);
7439 case MONO_NATIVE_R4:
7442 case MONO_NATIVE_R8:
7443 *align = ALIGNMENT(double);
7445 case MONO_NATIVE_INT:
7446 case MONO_NATIVE_UINT:
7447 case MONO_NATIVE_LPSTR:
7448 case MONO_NATIVE_LPWSTR:
7449 case MONO_NATIVE_LPTSTR:
7450 case MONO_NATIVE_BSTR:
7451 case MONO_NATIVE_ANSIBSTR:
7452 case MONO_NATIVE_TBSTR:
7453 case MONO_NATIVE_LPARRAY:
7454 case MONO_NATIVE_SAFEARRAY:
7455 case MONO_NATIVE_IUNKNOWN:
7456 case MONO_NATIVE_IDISPATCH:
7457 case MONO_NATIVE_INTERFACE:
7458 case MONO_NATIVE_ASANY:
7459 case MONO_NATIVE_FUNC:
7460 case MONO_NATIVE_LPSTRUCT:
7461 *align = ALIGNMENT(gpointer);
7462 return sizeof (gpointer);
7463 case MONO_NATIVE_STRUCT:
7464 klass = mono_class_from_mono_type (type);
7465 return mono_class_native_size (klass, align);
7466 case MONO_NATIVE_BYVALTSTR: {
7467 int esize = unicode ? 2: 1;
7470 return mspec->data.array_data.num_elem * esize;
7472 case MONO_NATIVE_BYVALARRAY: {
7474 klass = mono_class_from_mono_type (type);
7475 esize = mono_class_native_size (klass->element_class, align);
7477 return mspec->data.array_data.num_elem * esize;
7479 case MONO_NATIVE_CUSTOM:
7480 g_assert_not_reached ();
7482 case MONO_NATIVE_CURRENCY:
7483 case MONO_NATIVE_VBBYREFSTR:
7485 g_error ("native type %02x not implemented", native_type);
7488 g_assert_not_reached ();
7493 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
7501 t = &o->vtable->klass->byval_arg;
7508 case MONO_TYPE_BOOLEAN:
7511 case MONO_TYPE_CHAR:
7516 return mono_object_unbox (o);
7518 case MONO_TYPE_STRING:
7519 switch (string_encoding) {
7520 case MONO_NATIVE_LPWSTR:
7521 return mono_string_to_utf16 ((MonoString*)o);
7523 case MONO_NATIVE_LPSTR:
7524 return mono_string_to_lpstr ((MonoString*)o);
7527 g_warning ("marshaling conversion %d not implemented", string_encoding);
7528 g_assert_not_reached ();
7531 case MONO_TYPE_CLASS:
7532 case MONO_TYPE_VALUETYPE: {
7536 MonoBoolean delete_old = FALSE;
7538 klass = t->data.klass;
7540 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
7543 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7544 klass->blittable || klass->enumtype)
7545 return mono_object_unbox (o);
7547 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
7549 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
7553 pa [2] = &delete_old;
7555 mono_runtime_invoke (method, NULL, pa, NULL);
7561 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
7567 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
7575 t = &o->vtable->klass->byval_arg;
7577 case MONO_TYPE_STRING:
7578 switch (string_encoding) {
7579 case MONO_NATIVE_LPWSTR:
7580 case MONO_NATIVE_LPSTR:
7581 mono_marshal_free (ptr);
7584 g_warning ("marshaling conversion %d not implemented", string_encoding);
7585 g_assert_not_reached ();
7588 case MONO_TYPE_CLASS:
7589 case MONO_TYPE_VALUETYPE: {
7590 klass = t->data.klass;
7592 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7593 klass->blittable || klass->enumtype)
7596 mono_struct_delete_old (klass, ptr);
7598 mono_marshal_free (ptr);