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 MonoGHashTable *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 MONO_GC_REGISTER_ROOT (wrapper_hash);
129 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
130 last_error_tls_id = TlsAlloc ();
132 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
133 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
134 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
135 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
136 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
137 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
138 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
139 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
140 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
141 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
142 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
143 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
144 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
145 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
146 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
147 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
148 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
149 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
150 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
151 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
152 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
153 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
154 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
155 register_icall (g_free, "g_free", "void ptr", FALSE);
156 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
157 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
162 MonoClass *byte_array_class;
163 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
164 static MonoMethod *method_set_context, *method_get_context, *method_reset_datastore, *method_restore_datastore;
165 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
168 mono_remoting_marshal_init (void)
172 static gboolean module_initialized = FALSE;
174 if (!module_initialized) {
175 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
176 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
177 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
178 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
180 klass = mono_defaults.real_proxy_class;
181 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
183 klass = mono_defaults.exception_class;
184 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
186 klass = mono_defaults.thread_class;
187 method_reset_datastore = mono_class_get_method_from_name (klass, "ResetDataStoreStatus", -1);
188 method_restore_datastore = mono_class_get_method_from_name (klass, "RestoreDataStoreStatus", -1);
189 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
191 klass = mono_defaults.appdomain_class;
192 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
193 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
195 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
196 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
198 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
199 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
204 mono_delegate_to_ftnptr (MonoDelegate *delegate)
206 MonoMethod *method, *wrapper, *invoke;
207 MonoMarshalSpec **mspecs;
214 if (delegate->delegate_trampoline)
215 return delegate->delegate_trampoline;
217 klass = ((MonoObject *)delegate)->vtable->klass;
218 g_assert (klass->delegate);
220 method = delegate->method_info->method;
221 invoke = mono_class_get_method_from_name (klass, "Invoke", method->signature->param_count);
223 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
224 mono_method_get_marshal_info (invoke, mspecs);
226 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
228 for (i = invoke->signature->param_count; i >= 0; i--)
230 mono_metadata_free_marshal_spec (mspecs [i]);
233 delegate->delegate_trampoline = mono_compile_method (wrapper);
235 // Add the delegate to the delegate hash table
236 delegate_hash_table_add (delegate);
238 return delegate->delegate_trampoline;
241 static GHashTable *delegate_hash_table;
244 delegate_hash_table_new (void) {
245 return g_hash_table_new (NULL, NULL);
249 delegate_hash_table_remove (MonoDelegate *d)
251 EnterCriticalSection (&marshal_mutex);
252 if (delegate_hash_table == NULL)
253 delegate_hash_table = delegate_hash_table_new ();
254 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
255 LeaveCriticalSection (&marshal_mutex);
259 delegate_hash_table_add (MonoDelegate *d)
261 EnterCriticalSection (&marshal_mutex);
262 if (delegate_hash_table == NULL)
263 delegate_hash_table = delegate_hash_table_new ();
264 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
265 LeaveCriticalSection (&marshal_mutex);
269 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
273 EnterCriticalSection (&marshal_mutex);
274 if (delegate_hash_table == NULL)
275 delegate_hash_table = delegate_hash_table_new ();
277 d = g_hash_table_lookup (delegate_hash_table, ftn);
278 LeaveCriticalSection (&marshal_mutex);
280 mono_raise_exception (mono_get_exception_argument (NULL, "Additional information: Function pointer was not created by a delegate."));
285 mono_delegate_free_ftnptr (MonoDelegate *delegate)
290 delegate_hash_table_remove (delegate);
291 ptr2 = delegate->delegate_trampoline;
293 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
294 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
297 if (!delegate->target) {
298 /* The wrapper method is shared between delegates -> no need to free it */
302 mono_runtime_free_method (ji->method);
306 mono_array_to_savearray (MonoArray *array)
311 g_assert_not_reached ();
316 mono_array_to_lparray (MonoArray *array)
321 /* fixme: maybe we need to make a copy */
322 return array->vector;
326 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
328 GError *error = NULL;
338 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
340 if (items_written > mono_stringbuilder_capacity (sb))
341 items_written = mono_stringbuilder_capacity (sb);
344 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
345 sb->length = items_written;
347 g_error_free (error);
353 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
360 g_assert (mono_string_chars (sb->str) == text);
362 for (len = 0; text [len] != 0; ++len)
369 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
371 GError *error = NULL;
378 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
380 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
382 g_error_free (error);
383 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
386 memcpy (res, tmp, sb->length + 1);
394 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
399 return mono_string_chars (sb->str);
403 mono_string_to_lpstr (MonoString *s)
405 #ifdef PLATFORM_WIN32
408 GError *error = NULL;
414 as = CoTaskMemAlloc (1);
419 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
421 g_warning (error->message);
422 g_error_free (error);
426 as = CoTaskMemAlloc (len + 1);
427 memcpy (as, tmp, len + 1);
431 return mono_string_to_utf8 (s);
436 mono_string_to_ansibstr (MonoString *string_obj)
438 g_error ("UnmanagedMarshal.BStr is not implemented.");
443 mono_string_to_bstr (MonoString *string_obj)
445 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
450 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
455 g_assert (dst != NULL);
458 memset (dst, 0, size);
463 s = mono_string_to_utf8 (src);
464 len = MIN (size, strlen (s));
465 memcpy (dst, s, len);
468 *((char *)dst + size - 1) = 0;
472 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
476 g_assert (dst != NULL);
480 memset (dst, 0, size);
484 len = MIN (size, (mono_string_length (src) * 2));
485 memcpy (dst, mono_string_chars (src), len);
487 *((char *)dst + size - 1) = 0;
488 *((char *)dst + size - 2) = 0;
492 mono_mb_free (MonoMethodBuilder *mb)
494 g_list_free (mb->locals_list);
499 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
501 MonoMethodBuilder *mb;
504 g_assert (klass != NULL);
505 g_assert (name != NULL);
507 mb = g_new0 (MonoMethodBuilder, 1);
509 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
512 m->name = g_strdup (name);
514 m->wrapper_type = type;
517 mb->code = g_malloc (mb->code_size);
523 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
525 int res = mb->locals;
527 g_assert (mb != NULL);
528 g_assert (type != NULL);
530 mb->locals_list = g_list_append (mb->locals_list, type);
537 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
539 MonoMethodHeader *header;
543 g_assert (mb != NULL);
545 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
546 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
551 header->max_stack = max_stack;
553 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
554 header->locals [i] = (MonoType *)l->data;
557 mb->method->signature = signature;
558 header->code = mb->code;
559 header->code_size = mb->pos;
560 header->num_locals = mb->locals;
562 #ifdef DEBUG_RUNTIME_CODE
563 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
564 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
571 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
573 MonoMethodWrapper *mw;
575 g_assert (mb != NULL);
577 mw = (MonoMethodWrapper *)mb->method;
579 mw->data = g_list_append (mw->data, data);
581 return g_list_length (mw->data);
585 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
587 mb->code [pos] = value & 0xff;
588 mb->code [pos + 1] = (value >> 8) & 0xff;
589 mb->code [pos + 2] = (value >> 16) & 0xff;
590 mb->code [pos + 3] = (value >> 24) & 0xff;
594 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
596 *((gint8 *)(&mb->code [pos])) = value;
600 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
602 if (mb->pos >= mb->code_size) {
604 mb->code = g_realloc (mb->code, mb->code_size);
607 mb->code [mb->pos++] = op;
611 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
613 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
614 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
617 mono_mb_emit_icon (mb, offset);
618 mono_mb_emit_byte (mb, CEE_ADD);
623 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
626 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
627 mono_mb_emit_byte (mb, CEE_LDIND_I);
628 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
629 mono_mb_emit_byte (mb, CEE_ADD);
630 mono_mb_emit_byte (mb, CEE_LDIND_I);
631 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
632 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
633 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
634 mono_mb_emit_byte (mb, branch_code);
636 mono_mb_emit_i4 (mb, 0);
641 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
644 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
645 mono_mb_emit_byte (mb, CEE_LDIND_REF);
646 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
647 mono_mb_emit_byte (mb, CEE_LDIND_I4);
648 mono_mb_emit_icon (mb, -1);
649 mono_mb_emit_byte (mb, branch_code);
651 mono_mb_emit_i4 (mb, 0);
656 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
658 if ((mb->pos + 4) >= mb->code_size) {
660 mb->code = g_realloc (mb->code, mb->code_size);
663 mono_mb_patch_addr (mb, mb->pos, data);
668 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
670 if ((mb->pos + 2) >= mb->code_size) {
672 mb->code = g_realloc (mb->code, mb->code_size);
675 mb->code [mb->pos] = data & 0xff;
676 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
681 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
683 mono_mb_emit_byte (mb, CEE_LDSTR);
684 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
689 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
692 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
693 } else if (argnum < 256) {
694 mono_mb_emit_byte (mb, CEE_LDARG_S);
695 mono_mb_emit_byte (mb, argnum);
697 mono_mb_emit_byte (mb, CEE_PREFIX1);
698 mono_mb_emit_byte (mb, CEE_LDARG);
699 mono_mb_emit_i2 (mb, argnum);
704 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
707 mono_mb_emit_byte (mb, CEE_LDARGA_S);
708 mono_mb_emit_byte (mb, argnum);
710 mono_mb_emit_byte (mb, CEE_PREFIX1);
711 mono_mb_emit_byte (mb, CEE_LDARGA);
712 mono_mb_emit_i2 (mb, argnum);
717 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
720 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
721 mono_mb_emit_byte (mb, locnum);
723 mono_mb_emit_byte (mb, CEE_PREFIX1);
724 mono_mb_emit_byte (mb, CEE_LDLOCA);
725 mono_mb_emit_i2 (mb, locnum);
730 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
733 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
734 } else if (num < 256) {
735 mono_mb_emit_byte (mb, CEE_LDLOC_S);
736 mono_mb_emit_byte (mb, num);
738 mono_mb_emit_byte (mb, CEE_PREFIX1);
739 mono_mb_emit_byte (mb, CEE_LDLOC);
740 mono_mb_emit_i2 (mb, num);
745 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
748 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
749 } else if (num < 256) {
750 mono_mb_emit_byte (mb, CEE_STLOC_S);
751 mono_mb_emit_byte (mb, num);
753 mono_mb_emit_byte (mb, CEE_PREFIX1);
754 mono_mb_emit_byte (mb, CEE_STLOC);
755 mono_mb_emit_i2 (mb, num);
760 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
762 if (value >= -1 && value < 8) {
763 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
764 } else if (value >= -128 && value <= 127) {
765 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
766 mono_mb_emit_byte (mb, value);
768 mono_mb_emit_byte (mb, CEE_LDC_I4);
769 mono_mb_emit_i4 (mb, value);
774 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
777 mono_mb_emit_byte (mb, op);
779 mono_mb_emit_i4 (mb, 0);
784 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
786 mono_mb_emit_byte (mb, CEE_CALLI);
787 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
791 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
793 mono_mb_emit_byte (mb, CEE_CALL);
794 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
798 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
801 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
802 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
803 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
804 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
805 mono_mb_emit_calli (mb, sig);
806 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
807 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
811 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
813 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
814 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
815 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
819 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
821 /* fixme: we need a better way to throw exception,
822 * supporting several exception types and messages */
823 MonoMethod *ctor = NULL;
825 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
827 mono_class_init (mme);
828 for (i = 0; i < mme->method.count; ++i) {
829 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
830 ctor = mme->methods [i];
835 mono_mb_emit_byte (mb, CEE_NEWOBJ);
836 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
838 mono_mb_emit_byte (mb, CEE_DUP);
839 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
840 mono_mb_emit_ldstr (mb, (char*)msg);
841 mono_mb_emit_byte (mb, CEE_STIND_I);
843 mono_mb_emit_byte (mb, CEE_THROW);
847 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
849 mono_mb_emit_ldloc (mb, local);
850 mono_mb_emit_icon (mb, incr);
851 mono_mb_emit_byte (mb, CEE_ADD);
852 mono_mb_emit_stloc (mb, local);
856 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
857 int usize, int msize, MonoMarshalSpec *mspec)
860 case MONO_MARSHAL_CONV_BOOL_I4:
861 mono_mb_emit_byte (mb, CEE_LDLOC_1);
862 mono_mb_emit_byte (mb, CEE_LDLOC_0);
863 mono_mb_emit_byte (mb, CEE_LDIND_I4);
864 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
865 mono_mb_emit_byte (mb, 3);
866 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
867 mono_mb_emit_byte (mb, CEE_BR_S);
868 mono_mb_emit_byte (mb, 1);
869 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
870 mono_mb_emit_byte (mb, CEE_STIND_I1);
872 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
873 mono_mb_emit_byte (mb, CEE_LDLOC_1);
874 mono_mb_emit_byte (mb, CEE_LDLOC_0);
875 mono_mb_emit_byte (mb, CEE_LDIND_I2);
876 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
877 mono_mb_emit_byte (mb, 3);
878 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
879 mono_mb_emit_byte (mb, CEE_BR_S);
880 mono_mb_emit_byte (mb, 1);
881 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
882 mono_mb_emit_byte (mb, CEE_STIND_I1);
884 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
885 MonoClass *eclass = NULL;
888 if (type->type == MONO_TYPE_SZARRAY) {
889 eclass = type->data.klass;
891 g_assert_not_reached ();
894 if (eclass->valuetype)
895 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
897 esize = sizeof (gpointer);
899 /* create a new array */
900 mono_mb_emit_byte (mb, CEE_LDLOC_1);
901 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
902 mono_mb_emit_byte (mb, CEE_NEWARR);
903 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
904 mono_mb_emit_byte (mb, CEE_STIND_I);
906 /* copy the elements */
907 mono_mb_emit_byte (mb, CEE_LDLOC_1);
908 mono_mb_emit_byte (mb, CEE_LDIND_I);
909 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
910 mono_mb_emit_byte (mb, CEE_ADD);
911 mono_mb_emit_byte (mb, CEE_LDLOC_0);
912 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
913 mono_mb_emit_byte (mb, CEE_PREFIX1);
914 mono_mb_emit_byte (mb, CEE_CPBLK);
918 case MONO_MARSHAL_CONV_STR_BYVALSTR:
919 mono_mb_emit_byte (mb, CEE_LDLOC_1);
920 mono_mb_emit_byte (mb, CEE_LDLOC_0);
921 mono_mb_emit_icall (mb, mono_string_new_wrapper);
922 mono_mb_emit_byte (mb, CEE_STIND_I);
924 case MONO_MARSHAL_CONV_STR_LPTSTR:
925 case MONO_MARSHAL_CONV_STR_LPSTR:
926 mono_mb_emit_byte (mb, CEE_LDLOC_1);
927 mono_mb_emit_byte (mb, CEE_LDLOC_0);
928 mono_mb_emit_byte (mb, CEE_LDIND_I);
929 mono_mb_emit_icall (mb, mono_string_new_wrapper);
930 mono_mb_emit_byte (mb, CEE_STIND_I);
932 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
933 MonoClass *klass = mono_class_from_mono_type (type);
934 int src_var, dst_var;
936 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
937 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
939 /* *dst = new object */
940 mono_mb_emit_byte (mb, CEE_LDLOC_1);
941 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
942 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
943 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
944 mono_mb_emit_byte (mb, CEE_STIND_I);
946 /* save the old src pointer */
947 mono_mb_emit_byte (mb, CEE_LDLOC_0);
948 mono_mb_emit_stloc (mb, src_var);
949 /* save the old dst pointer */
950 mono_mb_emit_byte (mb, CEE_LDLOC_1);
951 mono_mb_emit_stloc (mb, dst_var);
953 /* dst = pointer to newly created object data */
954 mono_mb_emit_byte (mb, CEE_LDLOC_1);
955 mono_mb_emit_byte (mb, CEE_LDIND_I);
956 mono_mb_emit_icon (mb, sizeof (MonoObject));
957 mono_mb_emit_byte (mb, CEE_ADD);
958 mono_mb_emit_byte (mb, CEE_STLOC_1);
960 emit_struct_conv (mb, klass, TRUE);
962 /* restore the old src pointer */
963 mono_mb_emit_ldloc (mb, src_var);
964 mono_mb_emit_byte (mb, CEE_STLOC_0);
965 /* restore the old dst pointer */
966 mono_mb_emit_ldloc (mb, dst_var);
967 mono_mb_emit_byte (mb, CEE_STLOC_1);
970 case MONO_MARSHAL_CONV_DEL_FTN: {
971 /* fixme: we never convert functions back to delegates, dont
972 // know if thats the correct behaviour
976 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
977 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
979 case MONO_MARSHAL_CONV_STR_LPWSTR:
980 case MONO_MARSHAL_CONV_STR_BSTR:
981 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
982 case MONO_MARSHAL_CONV_STR_TBSTR:
983 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
984 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
986 g_warning ("marshaling conversion %d not implemented", conv);
987 g_assert_not_reached ();
992 conv_to_icall (MonoMarshalConv conv)
995 case MONO_MARSHAL_CONV_STR_LPWSTR:
996 return mono_marshal_string_to_utf16;
997 case MONO_MARSHAL_CONV_LPWSTR_STR:
998 return mono_string_from_utf16;
999 case MONO_MARSHAL_CONV_LPSTR_STR:
1000 return mono_string_new_wrapper;
1001 case MONO_MARSHAL_CONV_STR_LPTSTR:
1002 case MONO_MARSHAL_CONV_STR_LPSTR:
1003 return mono_string_to_lpstr;
1004 case MONO_MARSHAL_CONV_STR_BSTR:
1005 return mono_string_to_bstr;
1006 case MONO_MARSHAL_CONV_STR_TBSTR:
1007 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1008 return mono_string_to_ansibstr;
1009 case MONO_MARSHAL_CONV_SB_LPSTR:
1010 case MONO_MARSHAL_CONV_SB_LPTSTR:
1011 return mono_string_builder_to_utf8;
1012 case MONO_MARSHAL_CONV_SB_LPWSTR:
1013 return mono_string_builder_to_utf16;
1014 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1015 return mono_array_to_savearray;
1016 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1017 return mono_array_to_lparray;
1018 case MONO_MARSHAL_CONV_DEL_FTN:
1019 return mono_delegate_to_ftnptr;
1020 case MONO_MARSHAL_CONV_FTN_DEL:
1021 return mono_ftnptr_to_delegate;
1022 case MONO_MARSHAL_CONV_LPSTR_SB:
1023 case MONO_MARSHAL_CONV_LPTSTR_SB:
1024 return mono_string_utf8_to_builder;
1025 case MONO_MARSHAL_CONV_LPWSTR_SB:
1026 return mono_string_utf16_to_builder;
1027 case MONO_MARSHAL_FREE_ARRAY:
1028 return mono_marshal_free_array;
1029 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1030 return mono_string_to_byvalstr;
1031 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1032 return mono_string_to_byvalwstr;
1034 g_assert_not_reached ();
1041 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1042 MonoMarshalSpec *mspec)
1047 case MONO_MARSHAL_CONV_BOOL_I4:
1048 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1049 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1050 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1051 mono_mb_emit_byte (mb, CEE_STIND_I4);
1053 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1054 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1055 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1056 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1057 mono_mb_emit_byte (mb, CEE_NEG);
1058 mono_mb_emit_byte (mb, CEE_STIND_I2);
1060 case MONO_MARSHAL_CONV_STR_LPWSTR:
1061 case MONO_MARSHAL_CONV_STR_LPSTR:
1062 case MONO_MARSHAL_CONV_STR_LPTSTR:
1063 case MONO_MARSHAL_CONV_STR_BSTR:
1064 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1065 case MONO_MARSHAL_CONV_STR_TBSTR: {
1068 /* free space if free == true */
1069 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1070 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1072 mono_mb_emit_byte (mb, 0);
1073 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1074 mono_mb_emit_byte (mb, CEE_LDIND_I);
1075 mono_mb_emit_icall (mb, g_free);
1076 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1078 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1079 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1080 mono_mb_emit_byte (mb, CEE_LDIND_I);
1081 mono_mb_emit_icall (mb, conv_to_icall (conv));
1082 mono_mb_emit_byte (mb, CEE_STIND_I);
1085 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1086 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1087 case MONO_MARSHAL_CONV_DEL_FTN:
1088 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1089 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1090 mono_mb_emit_byte (mb, CEE_LDIND_I);
1091 mono_mb_emit_icall (mb, conv_to_icall (conv));
1092 mono_mb_emit_byte (mb, CEE_STIND_I);
1094 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1095 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1099 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1100 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1101 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1102 mono_mb_emit_icon (mb, usize);
1103 mono_mb_emit_icall (mb, conv_to_icall (conv));
1106 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1107 MonoClass *eclass = NULL;
1110 if (type->type == MONO_TYPE_SZARRAY) {
1111 eclass = type->data.klass;
1113 g_assert_not_reached ();
1116 if (eclass->valuetype)
1117 esize = mono_class_native_size (eclass, NULL);
1119 esize = sizeof (gpointer);
1124 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1125 mono_mb_emit_byte (mb, CEE_LDIND_I);
1126 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1128 mono_mb_emit_byte (mb, 0);
1130 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1131 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1132 mono_mb_emit_byte (mb, CEE_LDIND_I);
1133 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1134 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1135 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1136 mono_mb_emit_byte (mb, CEE_ADD);
1137 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1138 mono_mb_emit_byte (mb, CEE_PREFIX1);
1139 mono_mb_emit_byte (mb, CEE_CPBLK);
1140 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1143 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1144 int src_var, dst_var;
1146 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1147 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1149 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1150 mono_mb_emit_byte (mb, CEE_LDIND_I);
1151 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1153 mono_mb_emit_byte (mb, 0);
1155 /* save the old src pointer */
1156 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1157 mono_mb_emit_stloc (mb, src_var);
1158 /* save the old dst pointer */
1159 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1160 mono_mb_emit_stloc (mb, dst_var);
1162 /* src = pointer to object data */
1163 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1164 mono_mb_emit_byte (mb, CEE_LDIND_I);
1165 mono_mb_emit_icon (mb, sizeof (MonoObject));
1166 mono_mb_emit_byte (mb, CEE_ADD);
1167 mono_mb_emit_byte (mb, CEE_STLOC_0);
1169 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1171 /* restore the old src pointer */
1172 mono_mb_emit_ldloc (mb, src_var);
1173 mono_mb_emit_byte (mb, CEE_STLOC_0);
1174 /* restore the old dst pointer */
1175 mono_mb_emit_ldloc (mb, dst_var);
1176 mono_mb_emit_byte (mb, CEE_STLOC_1);
1178 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1182 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1183 MonoException *exc = mono_get_exception_not_implemented (msg);
1186 mono_raise_exception (exc);
1192 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1194 MonoMarshalType *info;
1198 emit_struct_conv(mb, klass->parent, to_object);
1200 info = mono_marshal_load_type_info (klass);
1202 if (info->native_size == 0)
1205 if (klass->blittable) {
1206 int msize = mono_class_value_size (klass, NULL);
1207 g_assert (msize == info->native_size);
1208 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1209 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1210 mono_mb_emit_icon (mb, msize);
1211 mono_mb_emit_byte (mb, CEE_PREFIX1);
1212 mono_mb_emit_byte (mb, CEE_CPBLK);
1214 mono_mb_emit_add_to_local (mb, 0, msize);
1215 mono_mb_emit_add_to_local (mb, 1, msize);
1219 for (i = 0; i < info->num_fields; i++) {
1220 MonoMarshalNative ntype;
1221 MonoMarshalConv conv;
1222 MonoType *ftype = info->fields [i].field->type;
1225 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1227 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1230 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1233 msize = klass->instance_size - info->fields [i].field->offset;
1234 usize = info->native_size - info->fields [i].offset;
1236 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1237 usize = info->fields [i + 1].offset - info->fields [i].offset;
1239 if ((msize < 0) || (usize < 0))
1240 /* This happens with GC aware auto layout */
1241 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1243 g_assert ((msize >= 0) && (usize >= 0));
1246 case MONO_MARSHAL_CONV_NONE: {
1249 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1250 ftype->type == MONO_TYPE_U) {
1251 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1252 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1253 mono_mb_emit_byte (mb, CEE_LDIND_I);
1254 mono_mb_emit_byte (mb, CEE_STIND_I);
1263 #if SIZEOF_VOID_P == 4
1266 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1267 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1268 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1269 mono_mb_emit_byte (mb, CEE_STIND_I4);
1273 case MONO_TYPE_BOOLEAN:
1274 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1275 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1276 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1277 mono_mb_emit_byte (mb, CEE_STIND_I1);
1281 case MONO_TYPE_CHAR:
1282 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1283 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1284 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1285 mono_mb_emit_byte (mb, CEE_STIND_I2);
1289 #if SIZEOF_VOID_P == 8
1292 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1293 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1294 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1295 mono_mb_emit_byte (mb, CEE_STIND_I8);
1298 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1299 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1300 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1301 mono_mb_emit_byte (mb, CEE_STIND_R4);
1304 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1305 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1306 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1307 mono_mb_emit_byte (mb, CEE_STIND_R8);
1309 case MONO_TYPE_VALUETYPE:
1310 if (ftype->data.klass->enumtype) {
1311 t = ftype->data.klass->enum_basetype->type;
1314 emit_struct_conv (mb, ftype->data.klass, to_object);
1317 g_warning ("marshaling type %02x not implemented", ftype->type);
1318 g_assert_not_reached ();
1324 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1326 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1330 mono_mb_emit_add_to_local (mb, 0, usize);
1331 mono_mb_emit_add_to_local (mb, 1, msize);
1333 mono_mb_emit_add_to_local (mb, 0, msize);
1334 mono_mb_emit_add_to_local (mb, 1, usize);
1340 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1342 /* Call DestroyStructure */
1343 /* FIXME: Only do this if needed */
1344 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1345 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1346 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1347 mono_mb_emit_ldloc (mb, struct_var);
1348 mono_mb_emit_icall (mb, mono_struct_delete_old);
1352 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1354 static MonoMethodSignature *state_check_sig = NULL;
1357 if (!state_check_sig) {
1358 state_check_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
1359 state_check_sig->ret = &mono_defaults.void_class->byval_arg;
1360 state_check_sig->pinvoke = 0;
1363 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1364 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1366 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1367 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1369 mono_mb_emit_native_call (mb, state_check_sig, checkpoint_func);
1371 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1375 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
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 mono_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 mono_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 = mono_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)
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 ());
2298 return current_domain->domain_id;
2302 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2304 static MonoMethodSignature *csig = NULL;
2306 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2307 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2308 csig->ret = &mono_defaults.int32_class->byval_arg;
2312 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2315 /* mono_marshal_emit_load_domain_method ()
2316 * Loads into the stack a pointer to the code of the provided method for
2317 * the current domain.
2320 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2322 static MonoMethodSignature *csig = NULL;
2324 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2325 csig->params [0] = &mono_defaults.int_class->byval_arg;
2326 csig->ret = &mono_defaults.int_class->byval_arg;
2330 /* We need a pointer to the method for the running domain (not the domain
2331 * that compiles the method).
2333 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2334 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2335 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2336 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2339 /* mono_marshal_get_xappdomain_dispatch ()
2340 * Generates a method that dispatches a method call from another domain into
2341 * the current domain.
2344 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2346 MonoMethodSignature *sig, *csig;
2347 MonoMethodBuilder *mb;
2349 int i, j, param_index, copy_locals_base;
2350 MonoClass *ret_class = NULL;
2351 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2352 MonoExceptionClause *main_clause;
2353 MonoMethodHeader *header;
2355 gboolean copy_return;
2357 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2360 sig = method->signature;
2361 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2364 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2365 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2366 csig->params [j++] = &byte_array_class->this_arg;
2367 csig->params [j++] = &byte_array_class->this_arg;
2368 for (i = 0; i < sig->param_count; i++) {
2369 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2370 csig->params [j++] = sig->params [i];
2373 csig->ret = sig->ret;
2375 csig->ret = &mono_defaults.void_class->byval_arg;
2377 csig->hasthis = FALSE;
2379 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2380 mb->method->save_lmf = 1;
2384 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2385 if (complex_count > 0)
2386 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2387 if (sig->ret->type != MONO_TYPE_VOID) {
2388 loc_return = mono_mb_add_local (mb, sig->ret);
2389 ret_class = mono_class_from_mono_type (sig->ret);
2394 main_clause = g_new0 (MonoExceptionClause, 1);
2395 main_clause->try_offset = mb->pos;
2397 /* Clean the call context */
2399 mono_mb_emit_byte (mb, CEE_LDNULL);
2400 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2401 mono_mb_emit_byte (mb, CEE_POP);
2403 /* Deserialize call data */
2405 mono_mb_emit_ldarg (mb, 1);
2406 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2407 mono_mb_emit_byte (mb, CEE_DUP);
2408 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2410 mono_mb_emit_byte (mb, 0);
2412 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2413 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2415 if (complex_count > 0)
2416 mono_mb_emit_stloc (mb, loc_array);
2418 mono_mb_emit_byte (mb, CEE_POP);
2420 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2422 /* Get the target object */
2424 mono_mb_emit_ldarg (mb, 0);
2425 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2427 /* Load the arguments */
2429 copy_locals_base = mb->locals;
2430 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2432 for (i = 0; i < sig->param_count; i++) {
2433 MonoType *pt = sig->params [i];
2434 MonoClass *pclass = mono_class_from_mono_type (pt);
2435 switch (marshal_types [i]) {
2436 case MONO_MARSHAL_SERIALIZE: {
2437 /* take the value from the serialized array */
2438 mono_mb_emit_ldloc (mb, loc_array);
2439 mono_mb_emit_icon (mb, j++);
2441 if (pclass->valuetype) {
2442 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2443 mono_mb_emit_byte (mb, CEE_UNBOX);
2444 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2446 mono_mb_emit_byte (mb, CEE_LDELEMA);
2447 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2450 if (pclass->valuetype) {
2451 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2452 mono_mb_emit_byte (mb, CEE_UNBOX);
2453 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2454 mono_mb_emit_byte (mb, CEE_LDOBJ);
2455 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2457 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2458 if (pclass != mono_defaults.object_class) {
2459 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2466 case MONO_MARSHAL_COPY_OUT: {
2467 /* Keep a local copy of the value since we need to copy it back after the call */
2468 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2469 mono_mb_emit_ldarg (mb, param_index++);
2470 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2471 mono_mb_emit_byte (mb, CEE_DUP);
2472 mono_mb_emit_stloc (mb, copy_local);
2475 case MONO_MARSHAL_COPY: {
2476 mono_mb_emit_ldarg (mb, param_index);
2478 mono_mb_emit_byte (mb, CEE_DUP);
2479 mono_mb_emit_byte (mb, CEE_DUP);
2480 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2481 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2482 mono_mb_emit_byte (mb, CEE_STIND_REF);
2484 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2489 case MONO_MARSHAL_NONE:
2490 mono_mb_emit_ldarg (mb, param_index++);
2495 /* Make the call to the real object */
2497 emit_thread_force_interrupt_checkpoint (mb);
2498 mono_mb_emit_managed_call (mb, method, NULL);
2500 if (sig->ret->type != MONO_TYPE_VOID)
2501 mono_mb_emit_stloc (mb, loc_return);
2503 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2507 for (i = 0; i < sig->param_count; i++) {
2508 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2509 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2510 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2511 mono_mb_emit_ldarg (mb, param_index);
2512 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2517 /* Serialize the return values */
2519 if (complex_out_count > 0) {
2520 /* Reset parameters in the array that don't need to be serialized back */
2522 for (i = 0; i < sig->param_count; i++) {
2523 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2524 if (!sig->params [i]->byref) {
2525 mono_mb_emit_ldloc (mb, loc_array);
2526 mono_mb_emit_icon (mb, j);
2527 mono_mb_emit_byte (mb, CEE_LDNULL);
2528 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2533 /* Add the return value to the array */
2535 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2536 mono_mb_emit_ldloc (mb, loc_array);
2537 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2538 mono_mb_emit_ldloc (mb, loc_return);
2539 if (ret_class->valuetype) {
2540 mono_mb_emit_byte (mb, CEE_BOX);
2541 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2543 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2548 mono_mb_emit_ldarg (mb, 1);
2549 mono_mb_emit_ldloc (mb, loc_array);
2550 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2551 mono_mb_emit_byte (mb, CEE_STIND_REF);
2552 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2553 mono_mb_emit_ldarg (mb, 1);
2554 mono_mb_emit_ldloc (mb, loc_return);
2555 if (ret_class->valuetype) {
2556 mono_mb_emit_byte (mb, CEE_BOX);
2557 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2559 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2560 mono_mb_emit_byte (mb, CEE_STIND_REF);
2562 mono_mb_emit_ldarg (mb, 1);
2563 mono_mb_emit_byte (mb, CEE_LDNULL);
2564 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2565 mono_mb_emit_byte (mb, CEE_STIND_REF);
2568 mono_mb_emit_ldarg (mb, 2);
2569 mono_mb_emit_byte (mb, CEE_LDNULL);
2570 mono_mb_emit_byte (mb, CEE_STIND_REF);
2571 mono_mb_emit_byte (mb, CEE_LEAVE);
2572 pos_leave = mb->pos;
2573 mono_mb_emit_i4 (mb, 0);
2575 /* Main exception catch */
2576 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2577 main_clause->try_len = mb->pos - main_clause->try_offset;
2578 main_clause->data.catch_class = mono_defaults.object_class;
2581 main_clause->handler_offset = mb->pos;
2582 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2583 mono_mb_emit_stloc (mb, loc_serialized_exc);
2584 mono_mb_emit_ldarg (mb, 2);
2585 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2586 mono_mb_emit_byte (mb, CEE_STIND_REF);
2587 mono_mb_emit_byte (mb, CEE_LEAVE);
2588 mono_mb_emit_i4 (mb, 0);
2589 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2592 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2595 mono_mb_emit_ldloc (mb, loc_return);
2597 mono_mb_emit_byte (mb, CEE_RET);
2599 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2602 header = ((MonoMethodNormal *)res)->header;
2603 header->num_clauses = 1;
2604 header->clauses = main_clause;
2609 /* mono_marshal_get_xappdomain_invoke ()
2610 * Generates a fast remoting wrapper for cross app domain calls.
2613 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2615 MonoMethodSignature *sig;
2616 static MonoMethodSignature *sig_context_get;
2617 static MonoMethodSignature *sig_context_set;
2618 MonoMethodBuilder *mb;
2620 int i, j, complex_count, complex_out_count, copy_locals_base;
2622 MonoClass *ret_class = NULL;
2623 MonoMethod *xdomain_method;
2624 int ret_marshal_type = MONO_MARSHAL_NONE;
2625 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2626 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context, loc_datastore;
2628 gboolean copy_return = FALSE;
2632 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2635 /* we cant remote methods without this pointer */
2636 if (!method->signature->hasthis)
2639 if (!mono_marshal_supports_fast_xdomain (method))
2640 return mono_marshal_get_remoting_invoke (method);
2642 mono_remoting_marshal_init ();
2644 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2647 sig = signature_no_pinvoke (method->signature);
2649 if (sig_context_set == NULL) {
2650 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2651 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2652 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2653 sig_context_set->pinvoke = 1;
2655 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2656 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2657 sig_context_get->pinvoke = 1;
2660 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2661 mb->method->save_lmf = 1;
2663 /* Count the number of parameters that need to be serialized */
2665 marshal_types = alloca (sizeof (int) * sig->param_count);
2666 complex_count = complex_out_count = 0;
2667 for (i = 0; i < sig->param_count; i++) {
2668 MonoType *ptype = sig->params[i];
2669 int mt = mono_get_xdomain_marshal_type (ptype);
2671 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2672 * the copy will be made by reusing the original object instance
2674 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2675 mt = MONO_MARSHAL_COPY_OUT;
2676 else if (mt == MONO_MARSHAL_SERIALIZE) {
2678 if (ptype->byref) complex_out_count++;
2680 marshal_types [i] = mt;
2683 if (sig->ret->type != MONO_TYPE_VOID) {
2684 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2685 ret_class = mono_class_from_mono_type (sig->ret);
2686 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2691 if (complex_count > 0)
2692 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2693 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2694 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2696 loc_return = mono_mb_add_local (mb, sig->ret);
2697 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2698 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2699 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2700 loc_datastore = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2702 /* Save thread domain data */
2704 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2705 mono_mb_emit_byte (mb, CEE_DUP);
2706 mono_mb_emit_stloc (mb, loc_context);
2708 /* If the thread is not running in the default context, it needs to go
2709 * through the whole remoting sink, since the context is going to change
2711 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2712 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2714 mono_mb_emit_byte (mb, 0);
2716 mono_mb_emit_ldarg (mb, 0);
2717 for (i = 0; i < sig->param_count; i++)
2718 mono_mb_emit_ldarg (mb, i + 1);
2720 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2721 mono_mb_emit_byte (mb, CEE_RET);
2722 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2724 mono_mb_emit_managed_call (mb, method_reset_datastore, NULL);
2725 mono_mb_emit_stloc (mb, loc_datastore);
2727 /* Create the array that will hold the parameters to be serialized */
2729 if (complex_count > 0) {
2730 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 */
2731 mono_mb_emit_byte (mb, CEE_NEWARR);
2732 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2735 for (i = 0; i < sig->param_count; i++) {
2736 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2737 MonoClass *pclass = mono_class_from_mono_type (sig->params[i]);
2738 mono_mb_emit_byte (mb, CEE_DUP);
2739 mono_mb_emit_icon (mb, j);
2740 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2741 if (sig->params[i]->byref) {
2742 if (pclass->valuetype) {
2743 mono_mb_emit_byte (mb, CEE_LDOBJ);
2744 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2746 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2749 if (pclass->valuetype) {
2750 mono_mb_emit_byte (mb, CEE_BOX);
2751 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2753 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2756 mono_mb_emit_stloc (mb, loc_array);
2758 /* Serialize parameters */
2760 mono_mb_emit_ldloc (mb, loc_array);
2761 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2762 mono_mb_emit_stloc (mb, loc_serialized_data);
2764 mono_mb_emit_byte (mb, CEE_LDNULL);
2765 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2766 mono_mb_emit_stloc (mb, loc_serialized_data);
2769 /* Get the target domain id */
2771 mono_mb_emit_ldarg (mb, 0);
2772 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2773 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2774 mono_mb_emit_byte (mb, CEE_DUP);
2775 mono_mb_emit_stloc (mb, loc_real_proxy);
2777 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2778 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2782 mono_marshal_emit_switch_domain (mb);
2783 mono_mb_emit_stloc (mb, loc_old_domainid);
2785 /* Load the arguments */
2787 mono_mb_emit_ldloc (mb, loc_real_proxy);
2788 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2789 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2791 copy_locals_base = mb->locals;
2792 for (i = 0; i < sig->param_count; i++) {
2793 switch (marshal_types [i]) {
2794 case MONO_MARSHAL_SERIALIZE:
2796 case MONO_MARSHAL_COPY: {
2797 mono_mb_emit_ldarg (mb, i+1);
2798 if (sig->params [i]->byref) {
2799 /* make a local copy of the byref parameter. The real parameter
2800 * will be updated after the xdomain call
2802 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2803 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2804 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2805 mono_mb_emit_stloc (mb, copy_local);
2806 mono_mb_emit_ldloc_addr (mb, copy_local);
2810 case MONO_MARSHAL_COPY_OUT:
2811 case MONO_MARSHAL_NONE:
2812 mono_mb_emit_ldarg (mb, i+1);
2817 /* Make the call to the invoke wrapper in the target domain */
2819 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2820 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2821 mono_mb_emit_calli (mb, xdomain_method->signature);
2824 mono_mb_emit_stloc (mb, loc_return);
2828 mono_mb_emit_ldloc (mb, loc_old_domainid);
2829 mono_marshal_emit_switch_domain (mb);
2830 mono_mb_emit_byte (mb, CEE_POP);
2832 /* Restore thread domain data */
2834 mono_mb_emit_ldloc (mb, loc_context);
2835 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2836 mono_mb_emit_ldloc (mb, loc_datastore);
2837 mono_mb_emit_managed_call (mb, method_restore_datastore, NULL);
2839 /* if (loc_serialized_exc != null) ... */
2841 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2842 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2844 mono_mb_emit_byte (mb, 0);
2846 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2847 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2848 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2849 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2850 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2851 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2852 mono_mb_emit_byte (mb, CEE_THROW);
2853 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2855 /* copy back non-serialized output parameters */
2858 for (i = 0; i < sig->param_count; i++) {
2859 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2860 mono_mb_emit_ldarg (mb, i + 1);
2861 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2862 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2863 mono_mb_emit_byte (mb, CEE_STIND_REF);
2866 /* Deserialize out parameters */
2868 if (complex_out_count > 0) {
2869 mono_mb_emit_ldloc (mb, loc_serialized_data);
2870 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2871 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2872 mono_mb_emit_stloc (mb, loc_array);
2874 /* Copy back output parameters and return type */
2877 for (i = 0; i < sig->param_count; i++) {
2878 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2879 if (sig->params[i]->byref) {
2880 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2881 mono_mb_emit_ldarg (mb, i + 1);
2882 mono_mb_emit_ldloc (mb, loc_array);
2883 mono_mb_emit_icon (mb, j);
2884 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2885 if (pclass->valuetype) {
2886 mono_mb_emit_byte (mb, CEE_UNBOX);
2887 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2888 mono_mb_emit_byte (mb, CEE_LDOBJ);
2889 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2890 mono_mb_emit_byte (mb, CEE_STOBJ);
2891 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2893 if (pclass != mono_defaults.object_class) {
2894 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2895 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2897 mono_mb_emit_byte (mb, CEE_STIND_REF);
2903 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2904 mono_mb_emit_ldloc (mb, loc_array);
2905 mono_mb_emit_icon (mb, complex_count);
2906 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2907 if (ret_class->valuetype) {
2908 mono_mb_emit_byte (mb, CEE_UNBOX);
2909 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2910 mono_mb_emit_byte (mb, CEE_LDOBJ);
2911 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2914 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2915 mono_mb_emit_ldloc (mb, loc_serialized_data);
2916 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2917 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2918 if (ret_class->valuetype) {
2919 mono_mb_emit_byte (mb, CEE_UNBOX);
2920 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2921 mono_mb_emit_byte (mb, CEE_LDOBJ);
2922 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2923 } else if (ret_class != mono_defaults.object_class) {
2924 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2925 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2928 mono_mb_emit_ldloc (mb, loc_serialized_data);
2929 mono_mb_emit_byte (mb, CEE_DUP);
2930 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2932 mono_mb_emit_byte (mb, 0);
2933 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2935 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2936 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2937 mono_mb_emit_byte (mb, CEE_POP);
2941 mono_mb_emit_ldloc (mb, loc_return);
2942 if (ret_marshal_type == MONO_MARSHAL_COPY)
2943 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
2946 mono_mb_emit_byte (mb, CEE_RET);
2948 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2955 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
2957 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
2958 return mono_marshal_get_xappdomain_invoke (method);
2960 return mono_marshal_get_remoting_invoke (method);
2964 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
2966 if (rp->target_domain_id != -1)
2967 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
2969 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
2973 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
2975 MonoMethodSignature *sig;
2976 MonoMethodBuilder *mb;
2977 MonoMethod *res, *native;
2978 int i, pos, pos_rem;
2982 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
2985 sig = signature_no_pinvoke (method->signature);
2987 /* we cant remote methods without this pointer */
2988 g_assert (sig->hasthis);
2990 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
2993 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
2995 for (i = 0; i <= sig->param_count; i++)
2996 mono_mb_emit_ldarg (mb, i);
2998 mono_mb_emit_ldarg (mb, 0);
2999 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3001 if (mono_marshal_supports_fast_xdomain (method)) {
3002 mono_mb_emit_ldarg (mb, 0);
3003 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3005 /* wrapper for cross app domain calls */
3006 native = mono_marshal_get_xappdomain_invoke (method);
3007 mono_mb_emit_managed_call (mb, native, native->signature);
3008 mono_mb_emit_byte (mb, CEE_RET);
3010 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3012 /* wrapper for normal remote calls */
3013 native = mono_marshal_get_remoting_invoke (method);
3014 mono_mb_emit_managed_call (mb, native, native->signature);
3015 mono_mb_emit_byte (mb, CEE_RET);
3018 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3019 mono_mb_emit_managed_call (mb, method, method->signature);
3020 mono_mb_emit_byte (mb, CEE_RET);
3022 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3029 * the returned method invokes all methods in a multicast delegate
3032 mono_marshal_get_delegate_invoke (MonoMethod *method)
3034 MonoMethodSignature *sig, *static_sig;
3036 MonoMethodBuilder *mb;
3042 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3043 !strcmp (method->name, "Invoke"));
3045 sig = signature_no_pinvoke (method->signature);
3047 cache = method->klass->image->delegate_invoke_cache;
3048 if ((res = mono_marshal_find_in_cache (cache, sig)))
3051 static_sig = mono_metadata_signature_dup (sig);
3052 static_sig->hasthis = 0;
3054 name = mono_signature_to_name (sig, "invoke");
3055 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3058 /* allocate local 0 (object) */
3059 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3061 g_assert (sig->hasthis);
3065 * prev.Invoke( args .. );
3066 * return this.<target>( args .. );
3069 /* this wrapper can be used in unmanaged-managed transitions */
3070 emit_thread_interrupt_checkpoint (mb);
3072 /* get this->prev */
3073 mono_mb_emit_ldarg (mb, 0);
3074 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3075 mono_mb_emit_byte (mb, CEE_LDIND_I );
3076 mono_mb_emit_stloc (mb, 0);
3078 /* if prev != null */
3079 mono_mb_emit_ldloc (mb, 0);
3080 mono_mb_emit_byte (mb, CEE_BRFALSE);
3083 mono_mb_emit_i4 (mb, 0);
3086 mono_mb_emit_ldloc (mb, 0);
3087 for (i = 0; i < sig->param_count; i++)
3088 mono_mb_emit_ldarg (mb, i + 1);
3089 mono_mb_emit_managed_call (mb, method, method->signature);
3090 if (sig->ret->type != MONO_TYPE_VOID)
3091 mono_mb_emit_byte (mb, CEE_POP);
3093 /* continued or prev == null */
3094 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3096 /* get this->target */
3097 mono_mb_emit_ldarg (mb, 0);
3098 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3099 mono_mb_emit_byte (mb, CEE_LDIND_I );
3100 mono_mb_emit_stloc (mb, 0);
3102 /* if target != null */
3103 mono_mb_emit_ldloc (mb, 0);
3104 mono_mb_emit_byte (mb, CEE_BRFALSE);
3106 mono_mb_emit_i4 (mb, 0);
3108 /* then call this->method_ptr nonstatic */
3109 mono_mb_emit_ldloc (mb, 0);
3110 for (i = 0; i < sig->param_count; ++i)
3111 mono_mb_emit_ldarg (mb, i + 1);
3112 mono_mb_emit_ldarg (mb, 0);
3113 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3114 mono_mb_emit_byte (mb, CEE_LDIND_I );
3115 mono_mb_emit_byte (mb, CEE_CALLI);
3116 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3118 mono_mb_emit_byte (mb, CEE_BR);
3120 mono_mb_emit_i4 (mb, 0);
3122 /* else [target == null] call this->method_ptr static */
3123 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3125 for (i = 0; i < sig->param_count; ++i)
3126 mono_mb_emit_ldarg (mb, i + 1);
3127 mono_mb_emit_ldarg (mb, 0);
3128 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3129 mono_mb_emit_byte (mb, CEE_LDIND_I );
3130 mono_mb_emit_byte (mb, CEE_CALLI);
3131 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3134 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3135 mono_mb_emit_byte (mb, CEE_RET);
3137 res = mono_mb_create_and_cache (cache, sig,
3138 mb, sig, sig->param_count + 16);
3145 * signature_dup_add_this:
3147 * Make a copy of @sig, adding an explicit this argument.
3149 static MonoMethodSignature*
3150 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3152 MonoMethodSignature *res;
3155 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3156 memcpy (res, sig, sizeof (MonoMethodSignature));
3157 res->param_count = sig->param_count + 1;
3158 res->hasthis = FALSE;
3159 for (i = sig->param_count - 1; i >= 0; i --)
3160 res->params [i + 1] = sig->params [i];
3161 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3168 MonoMethodSignature *sig;
3174 * generates IL code for the runtime invoke function
3175 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3177 * we also catch exceptions if exc != null
3180 mono_marshal_get_runtime_invoke (MonoMethod *method)
3182 MonoMethodSignature *sig, *csig, *callsig;
3183 MonoExceptionClause *clause;
3184 MonoMethodHeader *header;
3185 MonoMethodBuilder *mb;
3186 GHashTable *cache = NULL;
3187 MonoClass *target_klass;
3188 MonoMethod *res = NULL;
3190 static MonoString *string_dummy = NULL;
3191 static MonoMethodSignature *dealy_abort_sig = NULL;
3197 target_klass = method->klass;
3199 EnterCriticalSection (&marshal_mutex);
3201 if (method->string_ctor) {
3202 static GSList *strsig_list = NULL;
3206 for (item = strsig_list; item; item = item->next) {
3208 if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
3214 callsig = mono_metadata_signature_dup (method->signature);
3215 callsig->ret = &mono_defaults.string_class->byval_arg;
3216 cs = g_new (CtorSigPair, 1);
3219 strsig_list = g_slist_prepend (strsig_list, cs);
3222 if (method->klass->valuetype && method->signature->hasthis) {
3224 * Valuetype methods receive a managed pointer as the this argument.
3225 * Create a new signature to reflect this.
3227 callsig = signature_dup_add_this (method->signature, method->klass);
3230 callsig = method->signature;
3233 cache = method->klass->image->runtime_invoke_cache;
3235 /* from mono_marshal_find_in_cache */
3236 res = g_hash_table_lookup (cache, callsig);
3237 LeaveCriticalSection (&marshal_mutex);
3243 if (!dealy_abort_sig) {
3244 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3245 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3246 dealy_abort_sig->pinvoke = 0;
3249 target_klass = mono_defaults.object_class;
3251 /* to make it work with our special string constructors */
3252 if (!string_dummy) {
3253 MONO_GC_REGISTER_ROOT (string_dummy);
3254 string_dummy = mono_string_new_wrapper ("dummy");
3257 sig = method->signature;
3259 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3261 csig->ret = &mono_defaults.object_class->byval_arg;
3262 if (method->klass->valuetype && method->signature->hasthis)
3263 csig->params [0] = callsig->params [0];
3265 csig->params [0] = &mono_defaults.object_class->byval_arg;
3266 csig->params [1] = &mono_defaults.int_class->byval_arg;
3267 csig->params [2] = &mono_defaults.int_class->byval_arg;
3268 csig->params [3] = &mono_defaults.int_class->byval_arg;
3270 name = mono_signature_to_name (callsig, "runtime_invoke");
3271 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3274 /* allocate local 0 (object) tmp */
3275 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3276 /* allocate local 1 (object) exc */
3277 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3279 /* cond set *exc to null */
3280 mono_mb_emit_byte (mb, CEE_LDARG_2);
3281 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3282 mono_mb_emit_byte (mb, 3);
3283 mono_mb_emit_byte (mb, CEE_LDARG_2);
3284 mono_mb_emit_byte (mb, CEE_LDNULL);
3285 mono_mb_emit_byte (mb, CEE_STIND_I);
3288 if (method->string_ctor) {
3289 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3290 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3291 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3293 mono_mb_emit_ldarg (mb, 0);
3297 for (i = 0; i < sig->param_count; i++) {
3298 MonoType *t = sig->params [i];
3301 mono_mb_emit_ldarg (mb, 1);
3303 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3304 mono_mb_emit_byte (mb, CEE_ADD);
3306 mono_mb_emit_byte (mb, CEE_LDIND_I);
3311 type = sig->params [i]->type;
3315 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3317 case MONO_TYPE_BOOLEAN:
3319 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3322 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3325 case MONO_TYPE_CHAR:
3326 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3330 mono_mb_emit_byte (mb, CEE_LDIND_I);
3333 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3336 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3339 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3342 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3346 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3348 case MONO_TYPE_STRING:
3349 case MONO_TYPE_CLASS:
3350 case MONO_TYPE_ARRAY:
3352 case MONO_TYPE_SZARRAY:
3353 case MONO_TYPE_OBJECT:
3356 case MONO_TYPE_VALUETYPE:
3357 if (t->data.klass->enumtype) {
3358 type = t->data.klass->enum_basetype->type;
3361 mono_mb_emit_byte (mb, CEE_LDOBJ);
3362 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3365 g_assert_not_reached ();
3369 mono_mb_emit_ldarg (mb, 3);
3370 emit_thread_force_interrupt_checkpoint (mb);
3371 mono_mb_emit_calli (mb, callsig);
3373 if (sig->ret->byref) {
3375 g_assert_not_reached ();
3379 switch (sig->ret->type) {
3380 case MONO_TYPE_VOID:
3381 if (!method->string_ctor)
3382 mono_mb_emit_byte (mb, CEE_LDNULL);
3384 case MONO_TYPE_BOOLEAN:
3385 case MONO_TYPE_CHAR:
3398 case MONO_TYPE_VALUETYPE:
3399 /* box value types */
3400 mono_mb_emit_byte (mb, CEE_BOX);
3401 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3403 case MONO_TYPE_STRING:
3404 case MONO_TYPE_CLASS:
3405 case MONO_TYPE_ARRAY:
3406 case MONO_TYPE_SZARRAY:
3407 case MONO_TYPE_OBJECT:
3412 g_assert_not_reached ();
3415 mono_mb_emit_stloc (mb, 0);
3417 mono_mb_emit_byte (mb, CEE_LEAVE);
3419 mono_mb_emit_i4 (mb, 0);
3421 clause = g_new0 (MonoExceptionClause, 1);
3422 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3423 clause->try_len = mb->pos;
3426 clause->data.filter_offset = mb->pos;
3428 mono_mb_emit_byte (mb, CEE_POP);
3429 mono_mb_emit_byte (mb, CEE_LDARG_2);
3430 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3431 mono_mb_emit_byte (mb, CEE_PREFIX1);
3432 mono_mb_emit_byte (mb, CEE_CGT_UN);
3433 mono_mb_emit_byte (mb, CEE_PREFIX1);
3434 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3436 clause->handler_offset = mb->pos;
3439 /* store exception */
3440 mono_mb_emit_stloc (mb, 1);
3442 mono_mb_emit_byte (mb, CEE_LDARG_2);
3443 mono_mb_emit_ldloc (mb, 1);
3444 mono_mb_emit_byte (mb, CEE_STIND_I);
3446 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3447 mono_mb_emit_stloc (mb, 0);
3449 /* Check for the abort exception */
3450 mono_mb_emit_ldloc (mb, 1);
3451 mono_mb_emit_byte (mb, CEE_ISINST);
3452 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3453 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3455 mono_mb_emit_byte (mb, 0);
3457 /* Delay the abort exception */
3458 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3460 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3461 mono_mb_emit_byte (mb, CEE_LEAVE);
3462 mono_mb_emit_i4 (mb, 0);
3464 clause->handler_len = mb->pos - clause->handler_offset;
3467 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3468 mono_mb_emit_ldloc (mb, 0);
3469 mono_mb_emit_byte (mb, CEE_RET);
3471 /* taken from mono_mb_create_and_cache */
3472 EnterCriticalSection (&marshal_mutex);
3474 res = g_hash_table_lookup (cache, callsig);
3475 /* Somebody may have created it before us */
3477 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3478 g_hash_table_insert (cache, callsig, res);
3479 mono_g_hash_table_insert (wrapper_hash, res, callsig);
3482 LeaveCriticalSection (&marshal_mutex);
3483 /* end mono_mb_create_and_cache */
3487 header = ((MonoMethodNormal *)res)->header;
3488 header->num_clauses = 1;
3489 header->clauses = clause;
3495 raise_auto_layout_exception (MonoClass *klass)
3497 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3498 klass->name_space, klass->name);
3500 MonoException *e = mono_exception_from_name_msg (
3501 mono_get_corlib (), "System.Runtime.InteropServices",
3502 "MarshalDirectiveException", msg);
3504 mono_raise_exception (e);
3508 * generates IL code to call managed methods from unmanaged code
3511 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
3513 MonoMethodSignature *sig, *csig;
3514 MonoMethodBuilder *mb;
3515 MonoClass *klass = NULL;
3518 int i, pos = 0, *tmp_locals;
3519 static MonoMethodSignature *alloc_sig = NULL;
3522 g_assert (method != NULL);
3523 g_assert (!method->signature->pinvoke);
3525 cache = method->klass->image->managed_wrapper_cache;
3526 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
3529 /* Under MS, the allocation should be done using CoTaskMemAlloc */
3531 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3532 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
3533 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
3534 alloc_sig->pinvoke = 1;
3537 sig = method->signature;
3539 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
3541 /* allocate local 0 (pointer) src_ptr */
3542 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3543 /* allocate local 1 (pointer) dst_ptr */
3544 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3545 /* allocate local 2 (boolean) delete_old */
3546 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3548 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3549 /* allocate local 3 to store the return value */
3550 mono_mb_add_local (mb, sig->ret);
3553 mono_mb_emit_icon (mb, 0);
3554 mono_mb_emit_byte (mb, CEE_STLOC_2);
3556 /* we copy the signature, so that we can modify it */
3557 csig = mono_metadata_signature_dup (sig);
3561 #ifdef PLATFORM_WIN32
3563 * Under windows, delegates passed to native code must use the STDCALL
3564 * calling convention.
3566 csig->call_convention = MONO_CALL_STDCALL;
3569 /* fixme: howto handle this ? */
3573 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3574 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3575 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
3580 g_assert_not_reached ();
3585 /* we first do all conversions */
3586 tmp_locals = alloca (sizeof (int) * sig->param_count);
3587 for (i = 0; i < sig->param_count; i ++) {
3588 MonoType *t = sig->params [i];
3589 MonoMarshalSpec *spec = mspecs [i + 1];
3593 /* Ensure that we have marshalling info for this param */
3594 mono_marshal_load_type_info (mono_class_from_mono_type (t));
3596 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3599 MonoMethod *marshal_native_to_managed;
3600 MonoMethod *get_instance;
3602 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3603 g_assert (mtype != NULL);
3604 mklass = mono_class_from_mono_type (mtype);
3605 g_assert (mklass != NULL);
3607 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
3608 g_assert (marshal_native_to_managed);
3609 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
3610 g_assert (get_instance);
3613 case MONO_TYPE_CLASS:
3614 case MONO_TYPE_OBJECT:
3615 case MONO_TYPE_STRING:
3616 case MONO_TYPE_ARRAY:
3617 case MONO_TYPE_SZARRAY:
3621 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3623 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3625 mono_mb_emit_byte (mb, CEE_CALL);
3626 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3628 mono_mb_emit_ldarg (mb, i);
3630 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3631 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3633 mono_mb_emit_stloc (mb, tmp_locals [i]);
3636 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3637 g_assert_not_reached ();
3644 case MONO_TYPE_CLASS: {
3645 klass = t->data.klass;
3647 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3649 if (klass->delegate) {
3650 g_assert (!t->byref);
3651 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3652 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3653 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3654 mono_mb_emit_ldarg (mb, i);
3655 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
3656 mono_mb_emit_stloc (mb, tmp_locals [i]);
3660 /* The class can not have an automatic layout */
3661 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3662 raise_auto_layout_exception (klass);
3664 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3665 mono_mb_emit_byte (mb, CEE_LDNULL);
3666 mono_mb_emit_stloc (mb, tmp_locals [i]);
3671 mono_mb_emit_ldarg (mb, i);
3675 /* Check for NULL and raise an exception */
3676 mono_mb_emit_byte (mb, CEE_BRTRUE);
3678 mono_mb_emit_i4 (mb, 0);
3680 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
3682 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3683 mono_mb_emit_ldarg (mb, i);
3684 mono_mb_emit_byte (mb, CEE_LDIND_I);
3687 mono_mb_emit_byte (mb, CEE_STLOC_0);
3689 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3690 mono_mb_emit_stloc (mb, tmp_locals [i]);
3692 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3693 mono_mb_emit_byte (mb, CEE_BRFALSE);
3695 mono_mb_emit_i4 (mb, 0);
3697 /* Create and set dst */
3698 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3699 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3700 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3701 mono_mb_emit_stloc (mb, tmp_locals [i]);
3702 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3703 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3704 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3705 mono_mb_emit_icon (mb, sizeof (MonoObject));
3706 mono_mb_emit_byte (mb, CEE_ADD);
3707 mono_mb_emit_byte (mb, CEE_STLOC_1);
3709 /* emit valuetype conversion code */
3710 emit_struct_conv (mb, klass, TRUE);
3712 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3715 case MONO_TYPE_VALUETYPE:
3717 klass = sig->params [i]->data.klass;
3718 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3719 klass->blittable || klass->enumtype)
3722 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3724 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3728 mono_mb_emit_ldarg (mb, i);
3730 mono_mb_emit_ldarg_addr (mb, i);
3731 mono_mb_emit_byte (mb, CEE_STLOC_0);
3734 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3735 mono_mb_emit_byte (mb, CEE_BRFALSE);
3737 mono_mb_emit_i4 (mb, 0);
3740 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3741 mono_mb_emit_byte (mb, CEE_STLOC_1);
3743 /* emit valuetype conversion code */
3744 emit_struct_conv (mb, klass, TRUE);
3747 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3749 case MONO_TYPE_STRING: {
3750 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
3755 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3756 csig->params [i] = &mono_defaults.int_class->byval_arg;
3758 mono_mb_emit_ldarg (mb, i);
3761 case MONO_NATIVE_LPWSTR:
3762 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
3764 case MONO_NATIVE_LPSTR:
3765 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3768 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3769 MonoException *exc = mono_get_exception_not_implemented (msg);
3772 mono_raise_exception (exc);
3776 mono_mb_emit_stloc (mb, tmp_locals [i]);
3779 case MONO_TYPE_ARRAY:
3780 case MONO_TYPE_SZARRAY:
3784 klass = mono_class_from_mono_type (t);
3786 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3787 csig->params [i] = &mono_defaults.int_class->byval_arg;
3789 g_warning ("array marshaling not implemented");
3790 g_assert_not_reached ();
3795 for (i = 0; i < sig->param_count; i++) {
3796 MonoType *t = sig->params [i];
3799 case MONO_TYPE_BOOLEAN:
3813 mono_mb_emit_ldarg (mb, i);
3815 case MONO_TYPE_STRING:
3817 mono_mb_emit_ldarg (mb, i);
3819 g_assert (tmp_locals [i]);
3820 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3823 case MONO_TYPE_CLASS:
3825 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3827 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3829 case MONO_TYPE_ARRAY:
3830 case MONO_TYPE_SZARRAY:
3831 case MONO_TYPE_OBJECT:
3833 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3835 mono_mb_emit_ldarg (mb, i);
3837 case MONO_TYPE_VALUETYPE:
3838 klass = sig->params [i]->data.klass;
3839 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3840 klass->blittable || klass->enumtype) {
3841 mono_mb_emit_ldarg (mb, i);
3845 g_assert (tmp_locals [i]);
3847 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3849 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3852 g_warning ("type 0x%02x unknown", t->type);
3853 g_assert_not_reached ();
3857 emit_thread_interrupt_checkpoint (mb);
3858 mono_mb_emit_managed_call (mb, method, NULL);
3860 /* Ensure that we have marshalling info for the return */
3861 mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
3863 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3864 MonoMarshalSpec *spec = mspecs [0];
3869 g_assert (!sig->ret->byref);
3871 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3873 mklass = mono_class_from_mono_type (mtype);
3876 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3878 switch (sig->ret->type) {
3879 case MONO_TYPE_CLASS:
3880 case MONO_TYPE_OBJECT:
3881 case MONO_TYPE_STRING:
3882 case MONO_TYPE_ARRAY:
3883 case MONO_TYPE_SZARRAY:
3884 mono_mb_emit_byte (mb, CEE_STLOC_3);
3886 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3887 mono_mb_emit_stloc (mb, loc1);
3889 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3890 mono_mb_emit_byte (mb, CEE_CALL);
3891 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "GetInstance", 1)));
3892 mono_mb_emit_byte (mb, CEE_DUP);
3894 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3895 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3896 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1)));
3897 mono_mb_emit_byte (mb, CEE_STLOC_3);
3899 mono_mb_emit_ldloc (mb, loc1);
3900 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3901 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1)));
3905 g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
3906 g_assert_not_reached ();
3911 if (!sig->ret->byref) {
3912 switch (sig->ret->type) {
3913 case MONO_TYPE_VOID:
3915 case MONO_TYPE_BOOLEAN:
3929 case MONO_TYPE_OBJECT:
3930 mono_mb_emit_byte (mb, CEE_STLOC_3);
3932 case MONO_TYPE_STRING:
3933 csig->ret = &mono_defaults.int_class->byval_arg;
3935 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
3936 mono_mb_emit_byte (mb, CEE_STLOC_3);
3938 case MONO_TYPE_VALUETYPE:
3939 klass = sig->ret->data.klass;
3940 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3941 klass->blittable || klass->enumtype)
3944 /* load pointer to returned value type */
3945 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3946 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3948 /* store the address of the source into local variable 0 */
3949 mono_mb_emit_byte (mb, CEE_STLOC_0);
3950 /* allocate space for the native struct and
3951 * store the address into dst_ptr */
3952 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3953 g_assert (retobj_var);
3954 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3955 mono_mb_emit_byte (mb, CEE_CONV_I);
3956 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
3957 emit_thread_interrupt_checkpoint (mb);
3958 mono_mb_emit_byte (mb, CEE_STLOC_1);
3959 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3960 mono_mb_emit_stloc (mb, retobj_var);
3962 /* emit valuetype conversion code */
3963 emit_struct_conv (mb, klass, FALSE);
3965 case MONO_TYPE_CLASS: {
3968 klass = sig->ret->data.klass;
3970 if (klass->delegate) {
3971 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
3972 mono_mb_emit_byte (mb, CEE_STLOC_3);
3976 /* The class can not have an automatic layout */
3977 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3978 raise_auto_layout_exception (klass);
3980 mono_mb_emit_byte (mb, CEE_STLOC_0);
3981 /* Check for null */
3982 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3983 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
3984 mono_mb_emit_byte (mb, CEE_LDNULL);
3985 mono_mb_emit_byte (mb, CEE_STLOC_3);
3986 pos2 = mono_mb_emit_branch (mb, CEE_BR);
3988 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3991 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3992 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3993 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3994 mono_mb_emit_icon (mb, sizeof (MonoObject));
3995 mono_mb_emit_byte (mb, CEE_ADD);
3996 mono_mb_emit_byte (mb, CEE_STLOC_0);
3998 /* Allocate and set dest */
3999 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4000 mono_mb_emit_byte (mb, CEE_CONV_I);
4001 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4002 emit_thread_interrupt_checkpoint (mb);
4003 mono_mb_emit_byte (mb, CEE_DUP);
4004 mono_mb_emit_byte (mb, CEE_STLOC_1);
4005 mono_mb_emit_byte (mb, CEE_STLOC_3);
4007 emit_struct_conv (mb, klass, FALSE);
4009 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4013 g_warning ("return type 0x%02x unknown", sig->ret->type);
4014 g_assert_not_reached ();
4017 mono_mb_emit_byte (mb, CEE_STLOC_3);
4020 /* Convert byref arguments back */
4021 for (i = 0; i < sig->param_count; i ++) {
4022 MonoType *t = sig->params [i];
4023 MonoMarshalSpec *spec = mspecs [i + 1];
4025 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
4028 MonoMethod *cleanup_managed;
4029 MonoMethod *get_instance;
4031 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
4032 g_assert (mtype != NULL);
4033 mklass = mono_class_from_mono_type (mtype);
4034 g_assert (mklass != NULL);
4036 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4037 g_assert (get_instance);
4038 cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
4039 g_assert (cleanup_managed);
4042 case MONO_TYPE_CLASS:
4043 case MONO_TYPE_OBJECT:
4044 case MONO_TYPE_STRING:
4045 case MONO_TYPE_ARRAY:
4046 case MONO_TYPE_SZARRAY:
4048 g_assert_not_reached ();
4050 /* Call CleanUpManagedData */
4052 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4054 mono_mb_emit_byte (mb, CEE_CALL);
4055 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4057 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4058 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4059 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4063 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4064 g_assert_not_reached ();
4074 case MONO_TYPE_CLASS: {
4077 klass = t->data.klass;
4079 /* Check for null */
4080 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4081 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
4082 mono_mb_emit_ldarg (mb, i);
4083 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4084 mono_mb_emit_byte (mb, CEE_STIND_I);
4085 pos2 = mono_mb_emit_branch (mb, CEE_BR);
4087 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4090 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4091 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4092 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4093 mono_mb_emit_icon (mb, sizeof (MonoObject));
4094 mono_mb_emit_byte (mb, CEE_ADD);
4095 mono_mb_emit_byte (mb, CEE_STLOC_0);
4097 /* Allocate and set dest */
4098 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4099 mono_mb_emit_byte (mb, CEE_CONV_I);
4100 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4101 emit_thread_interrupt_checkpoint (mb);
4102 mono_mb_emit_byte (mb, CEE_STLOC_1);
4104 /* Update argument pointer */
4105 mono_mb_emit_ldarg (mb, i);
4106 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4107 mono_mb_emit_byte (mb, CEE_STIND_I);
4109 /* emit valuetype conversion code */
4110 emit_struct_conv (mb, klass, FALSE);
4112 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4115 case MONO_TYPE_VALUETYPE: {
4118 klass = t->data.klass;
4120 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4121 klass->blittable || klass->enumtype) {
4125 /* Check for null */
4126 mono_mb_emit_ldarg (mb, i);
4127 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4130 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4131 mono_mb_emit_byte (mb, CEE_STLOC_0);
4134 mono_mb_emit_ldarg (mb, i);
4135 mono_mb_emit_byte (mb, CEE_STLOC_1);
4137 /* emit valuetype conversion code */
4138 emit_struct_conv (mb, klass, FALSE);
4140 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4147 mono_mb_emit_ldloc (mb, retobj_var);
4148 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4149 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
4150 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4153 if (!MONO_TYPE_IS_VOID(sig->ret))
4154 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4155 mono_mb_emit_byte (mb, CEE_RET);
4159 res = mono_mb_create_and_cache (cache, method,
4160 mb, csig, sig->param_count + 16);
4162 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4167 /* 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)); */
4173 * mono_marshal_get_ldfld_wrapper:
4174 * @type: the type of the field
4176 * This method generates a function which can be use to load a field with type
4177 * @type from an object. The generated function has the following signature:
4178 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4181 mono_marshal_get_ldfld_wrapper (MonoType *type)
4183 MonoMethodSignature *sig, *csig;
4184 MonoMethodBuilder *mb;
4187 static GHashTable *ldfld_hash = NULL;
4189 int t, pos0, pos1 = 0;
4194 if (type->type == MONO_TYPE_SZARRAY) {
4195 klass = mono_defaults.array_class;
4196 } else if (type->type == MONO_TYPE_VALUETYPE) {
4197 klass = type->data.klass;
4198 if (klass->enumtype) {
4199 t = klass->enum_basetype->type;
4200 klass = mono_class_from_mono_type (klass->enum_basetype);
4202 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4203 t == MONO_TYPE_CLASS) {
4204 klass = mono_defaults.object_class;
4205 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4206 klass = mono_defaults.int_class;
4208 klass = mono_class_from_mono_type (type);
4211 klass = mono_defaults.int_class;
4214 EnterCriticalSection (&marshal_mutex);
4216 ldfld_hash = g_hash_table_new (NULL, NULL);
4217 res = g_hash_table_lookup (ldfld_hash, klass);
4218 LeaveCriticalSection (&marshal_mutex);
4222 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
4223 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4226 mb->method->save_lmf = 1;
4228 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4229 sig->params [0] = &mono_defaults.object_class->byval_arg;
4230 sig->params [1] = &mono_defaults.int_class->byval_arg;
4231 sig->params [2] = &mono_defaults.int_class->byval_arg;
4232 sig->params [3] = &mono_defaults.int_class->byval_arg;
4233 sig->ret = &klass->byval_arg;
4235 mono_mb_emit_ldarg (mb, 0);
4236 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4238 mono_mb_emit_ldarg (mb, 0);
4239 mono_mb_emit_ldarg (mb, 1);
4240 mono_mb_emit_ldarg (mb, 2);
4242 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4243 csig->params [0] = &mono_defaults.object_class->byval_arg;
4244 csig->params [1] = &mono_defaults.int_class->byval_arg;
4245 csig->params [2] = &mono_defaults.int_class->byval_arg;
4246 csig->ret = &klass->this_arg;
4249 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4250 emit_thread_interrupt_checkpoint (mb);
4252 if (klass->valuetype) {
4253 mono_mb_emit_byte (mb, CEE_UNBOX);
4254 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4255 mono_mb_emit_byte (mb, CEE_BR);
4257 mono_mb_emit_i4 (mb, 0);
4259 mono_mb_emit_byte (mb, CEE_RET);
4263 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4265 mono_mb_emit_ldarg (mb, 0);
4266 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4267 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4268 mono_mb_emit_ldarg (mb, 3);
4269 mono_mb_emit_byte (mb, CEE_ADD);
4271 if (klass->valuetype)
4272 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4277 case MONO_TYPE_BOOLEAN:
4278 mono_mb_emit_byte (mb, CEE_LDIND_I1);
4280 case MONO_TYPE_CHAR:
4283 mono_mb_emit_byte (mb, CEE_LDIND_I2);
4287 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4291 mono_mb_emit_byte (mb, CEE_LDIND_I8);
4294 mono_mb_emit_byte (mb, CEE_LDIND_R4);
4297 mono_mb_emit_byte (mb, CEE_LDIND_R8);
4299 case MONO_TYPE_ARRAY:
4301 case MONO_TYPE_FNPTR:
4302 case MONO_TYPE_SZARRAY:
4303 case MONO_TYPE_OBJECT:
4304 case MONO_TYPE_CLASS:
4305 case MONO_TYPE_STRING:
4308 mono_mb_emit_byte (mb, CEE_LDIND_I);
4310 case MONO_TYPE_VALUETYPE:
4311 g_assert (!klass->enumtype);
4312 mono_mb_emit_byte (mb, CEE_LDOBJ);
4313 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4316 g_warning ("type %x not implemented", type->type);
4317 g_assert_not_reached ();
4320 mono_mb_emit_byte (mb, CEE_RET);
4322 res = mono_mb_create_and_cache (ldfld_hash, klass,
4323 mb, sig, sig->param_count + 16);
4330 * mono_marshal_get_stfld_wrapper:
4331 * @type: the type of the field
4333 * This method generates a function which can be use to store a field with type
4334 * @type. The generated function has the following signature:
4335 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4338 mono_marshal_get_stfld_wrapper (MonoType *type)
4340 MonoMethodSignature *sig, *csig;
4341 MonoMethodBuilder *mb;
4344 static GHashTable *stfld_hash = NULL;
4351 if (type->type == MONO_TYPE_SZARRAY) {
4352 klass = mono_defaults.array_class;
4353 } else if (type->type == MONO_TYPE_VALUETYPE) {
4354 klass = type->data.klass;
4355 if (klass->enumtype) {
4356 t = klass->enum_basetype->type;
4357 klass = mono_class_from_mono_type (klass->enum_basetype);
4359 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4360 t == MONO_TYPE_CLASS) {
4361 klass = mono_defaults.object_class;
4362 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4363 klass = mono_defaults.int_class;
4365 klass = mono_class_from_mono_type (type);
4368 klass = mono_defaults.int_class;
4371 EnterCriticalSection (&marshal_mutex);
4373 stfld_hash = g_hash_table_new (NULL, NULL);
4374 res = g_hash_table_lookup (stfld_hash, klass);
4375 LeaveCriticalSection (&marshal_mutex);
4379 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
4380 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4383 mb->method->save_lmf = 1;
4385 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4386 sig->params [0] = &mono_defaults.object_class->byval_arg;
4387 sig->params [1] = &mono_defaults.int_class->byval_arg;
4388 sig->params [2] = &mono_defaults.int_class->byval_arg;
4389 sig->params [3] = &mono_defaults.int_class->byval_arg;
4390 sig->params [4] = &klass->byval_arg;
4391 sig->ret = &mono_defaults.void_class->byval_arg;
4393 mono_mb_emit_ldarg (mb, 0);
4394 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4396 mono_mb_emit_ldarg (mb, 0);
4397 mono_mb_emit_ldarg (mb, 1);
4398 mono_mb_emit_ldarg (mb, 2);
4399 mono_mb_emit_ldarg (mb, 4);
4401 if (klass->valuetype) {
4402 mono_mb_emit_byte (mb, CEE_BOX);
4403 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4406 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4407 csig->params [0] = &mono_defaults.object_class->byval_arg;
4408 csig->params [1] = &mono_defaults.int_class->byval_arg;
4409 csig->params [2] = &mono_defaults.int_class->byval_arg;
4410 csig->params [3] = &klass->this_arg;
4411 csig->ret = &mono_defaults.void_class->byval_arg;
4414 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4415 emit_thread_interrupt_checkpoint (mb);
4417 mono_mb_emit_byte (mb, CEE_RET);
4419 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4421 mono_mb_emit_ldarg (mb, 0);
4422 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4423 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4424 mono_mb_emit_ldarg (mb, 3);
4425 mono_mb_emit_byte (mb, CEE_ADD);
4426 mono_mb_emit_ldarg (mb, 4);
4431 case MONO_TYPE_BOOLEAN:
4432 mono_mb_emit_byte (mb, CEE_STIND_I1);
4434 case MONO_TYPE_CHAR:
4437 mono_mb_emit_byte (mb, CEE_STIND_I2);
4441 mono_mb_emit_byte (mb, CEE_STIND_I4);
4445 mono_mb_emit_byte (mb, CEE_STIND_I8);
4448 mono_mb_emit_byte (mb, CEE_STIND_R4);
4451 mono_mb_emit_byte (mb, CEE_STIND_R8);
4453 case MONO_TYPE_ARRAY:
4455 case MONO_TYPE_FNPTR:
4456 case MONO_TYPE_SZARRAY:
4457 case MONO_TYPE_OBJECT:
4458 case MONO_TYPE_CLASS:
4459 case MONO_TYPE_STRING:
4462 mono_mb_emit_byte (mb, CEE_STIND_I);
4464 case MONO_TYPE_VALUETYPE:
4465 g_assert (!klass->enumtype);
4466 mono_mb_emit_byte (mb, CEE_STOBJ);
4467 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4470 g_warning ("type %x not implemented", type->type);
4471 g_assert_not_reached ();
4474 mono_mb_emit_byte (mb, CEE_RET);
4476 res = mono_mb_create_and_cache (stfld_hash, klass,
4477 mb, sig, sig->param_count + 16);
4484 * generates IL code for the icall wrapper (the generated method
4485 * calls the unmanaged code in func)
4488 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4490 MonoMethodSignature *csig;
4491 MonoMethodBuilder *mb;
4495 g_assert (sig->pinvoke);
4497 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4499 mb->method->save_lmf = 1;
4501 /* we copy the signature, so that we can modify it */
4504 mono_mb_emit_byte (mb, CEE_LDARG_0);
4506 for (i = 0; i < sig->param_count; i++)
4507 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4509 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4510 emit_thread_interrupt_checkpoint (mb);
4511 mono_mb_emit_byte (mb, CEE_RET);
4513 csig = mono_metadata_signature_dup (sig);
4515 if (csig->call_convention == MONO_CALL_VARARG)
4516 csig->call_convention = 0;
4518 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4525 MonoMethodBuilder *mb;
4526 MonoMethodPInvoke *piinfo;
4527 int *orig_conv_args; /* Locals containing the original values of byref args */
4528 } EmitMarshalContext;
4531 MARSHAL_ACTION_CONV_IN,
4532 MARSHAL_ACTION_PUSH,
4533 MARSHAL_ACTION_CONV_OUT,
4534 MARSHAL_ACTION_CONV_RESULT
4538 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4539 MonoMarshalSpec *spec,
4540 int conv_arg, MonoType **conv_arg_type,
4541 MarshalAction action)
4545 MonoMethod *get_instance, *cleanup_native;
4546 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4547 MonoMethodBuilder *mb = m->mb;
4550 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4551 g_assert (mtype != NULL);
4552 mklass = mono_class_from_mono_type (mtype);
4553 g_assert (mklass != NULL);
4555 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4556 g_assert (get_instance);
4557 cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
4558 g_assert (cleanup_native);
4559 marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
4560 g_assert (marshal_managed_to_native);
4561 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
4562 g_assert (marshal_native_to_managed);
4565 case MARSHAL_ACTION_CONV_IN:
4567 case MONO_TYPE_CLASS:
4568 case MONO_TYPE_OBJECT:
4569 case MONO_TYPE_STRING:
4570 case MONO_TYPE_ARRAY:
4571 case MONO_TYPE_SZARRAY:
4572 case MONO_TYPE_VALUETYPE:
4576 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4578 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4580 mono_mb_emit_byte (mb, CEE_CALL);
4581 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4583 mono_mb_emit_ldarg (mb, argnum);
4585 if (t->type == MONO_TYPE_VALUETYPE) {
4587 * Since we can't determine the type of the argument, we
4588 * will assume the unmanaged function takes a pointer.
4590 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4592 mono_mb_emit_byte (mb, CEE_BOX);
4593 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4596 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4597 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4598 mono_mb_emit_stloc (mb, conv_arg);
4602 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4603 g_assert_not_reached ();
4609 case MARSHAL_ACTION_CONV_OUT:
4611 case MONO_TYPE_CLASS:
4612 case MONO_TYPE_OBJECT:
4613 case MONO_TYPE_STRING:
4614 case MONO_TYPE_ARRAY:
4615 case MONO_TYPE_SZARRAY:
4616 case MONO_TYPE_VALUETYPE:
4617 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4619 mono_mb_emit_byte (mb, CEE_CALL);
4620 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4622 mono_mb_emit_ldloc (mb, conv_arg);
4624 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4625 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4630 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4631 g_assert_not_reached ();
4636 case MARSHAL_ACTION_PUSH:
4637 mono_mb_emit_ldloc (mb, conv_arg);
4640 case MARSHAL_ACTION_CONV_RESULT:
4641 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4644 case MONO_TYPE_CLASS:
4645 case MONO_TYPE_OBJECT:
4646 case MONO_TYPE_STRING:
4647 case MONO_TYPE_ARRAY:
4648 case MONO_TYPE_SZARRAY:
4649 mono_mb_emit_byte (mb, CEE_STLOC_3);
4651 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4652 mono_mb_emit_stloc (mb, loc1);
4654 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4656 mono_mb_emit_byte (mb, CEE_CALL);
4657 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4658 mono_mb_emit_byte (mb, CEE_DUP);
4660 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4661 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4662 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4663 mono_mb_emit_byte (mb, CEE_STLOC_3);
4665 mono_mb_emit_ldloc (mb, loc1);
4666 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4667 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4671 g_assert_not_reached ();
4677 g_assert_not_reached ();
4684 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4685 MonoMarshalSpec *spec,
4686 int conv_arg, MonoType **conv_arg_type,
4687 MarshalAction action)
4689 MonoMethodBuilder *mb = m->mb;
4692 case MARSHAL_ACTION_CONV_IN: {
4693 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4695 g_assert (t->type == MONO_TYPE_OBJECT);
4696 g_assert (!t->byref);
4698 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4699 mono_mb_emit_ldarg (mb, argnum);
4700 mono_mb_emit_icon (mb, encoding);
4701 mono_mb_emit_icall (mb, mono_marshal_asany);
4702 mono_mb_emit_stloc (mb, conv_arg);
4706 case MARSHAL_ACTION_PUSH:
4707 mono_mb_emit_ldloc (mb, conv_arg);
4710 case MARSHAL_ACTION_CONV_OUT: {
4711 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4713 mono_mb_emit_ldarg (mb, argnum);
4714 mono_mb_emit_ldloc (mb, conv_arg);
4715 mono_mb_emit_icon (mb, encoding);
4716 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4721 g_assert_not_reached ();
4728 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4729 MonoMarshalSpec *spec,
4730 int conv_arg, MonoType **conv_arg_type,
4731 MarshalAction action)
4733 MonoMethodBuilder *mb = m->mb;
4737 klass = t->data.klass;
4740 case MARSHAL_ACTION_CONV_IN:
4741 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4742 klass->blittable || klass->enumtype)
4745 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4747 /* store the address of the source into local variable 0 */
4749 mono_mb_emit_ldarg (mb, argnum);
4751 mono_mb_emit_ldarg_addr (mb, argnum);
4753 mono_mb_emit_byte (mb, CEE_STLOC_0);
4755 /* allocate space for the native struct and
4756 * store the address into local variable 1 (dest) */
4757 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4758 mono_mb_emit_byte (mb, CEE_PREFIX1);
4759 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4760 mono_mb_emit_stloc (mb, conv_arg);
4763 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4764 mono_mb_emit_byte (mb, CEE_BRFALSE);
4766 mono_mb_emit_i4 (mb, 0);
4770 mono_mb_emit_ldloc (mb, conv_arg);
4771 mono_mb_emit_byte (mb, CEE_STLOC_1);
4773 /* emit valuetype conversion code */
4774 emit_struct_conv (mb, klass, FALSE);
4777 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4780 case MARSHAL_ACTION_PUSH:
4781 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4782 klass->blittable || klass->enumtype) {
4783 mono_mb_emit_ldarg (mb, argnum);
4786 mono_mb_emit_ldloc (mb, conv_arg);
4788 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4789 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4790 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4794 case MARSHAL_ACTION_CONV_OUT:
4795 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4796 klass->blittable || klass->enumtype)
4800 /* dst = argument */
4801 mono_mb_emit_ldarg (mb, argnum);
4802 mono_mb_emit_byte (mb, CEE_STLOC_1);
4804 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4805 mono_mb_emit_byte (mb, CEE_BRFALSE);
4807 mono_mb_emit_i4 (mb, 0);
4809 /* src = tmp_locals [i] */
4810 mono_mb_emit_ldloc (mb, conv_arg);
4811 mono_mb_emit_byte (mb, CEE_STLOC_0);
4813 /* emit valuetype conversion code */
4814 emit_struct_conv (mb, klass, TRUE);
4817 emit_struct_free (mb, klass, conv_arg);
4820 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4823 case MARSHAL_ACTION_CONV_RESULT:
4824 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4826 mono_mb_emit_byte (mb, CEE_STLOC_3);
4829 /* load pointer to returned value type */
4830 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4831 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4832 /* store the address of the source into local variable 0 */
4833 mono_mb_emit_byte (mb, CEE_STLOC_0);
4835 mono_mb_emit_ldloc_addr (mb, 3);
4836 mono_mb_emit_byte (mb, CEE_STLOC_1);
4838 /* emit valuetype conversion code */
4839 emit_struct_conv (mb, klass, TRUE);
4843 g_assert_not_reached ();
4850 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4851 MonoMarshalSpec *spec,
4852 int conv_arg, MonoType **conv_arg_type,
4853 MarshalAction action)
4855 MonoMethodBuilder *mb = m->mb;
4856 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4857 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4860 case MARSHAL_ACTION_CONV_IN:
4861 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4862 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4865 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4868 mono_mb_emit_ldarg (mb, argnum);
4869 mono_mb_emit_byte (mb, CEE_LDIND_I);
4871 mono_mb_emit_ldarg (mb, argnum);
4875 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4876 MonoException *exc = mono_get_exception_not_implemented (msg);
4879 mono_raise_exception (exc);
4882 mono_mb_emit_icall (mb, conv_to_icall (conv));
4884 mono_mb_emit_stloc (mb, conv_arg);
4887 case MARSHAL_ACTION_CONV_OUT:
4888 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4889 mono_mb_emit_ldarg (mb, argnum);
4890 mono_mb_emit_ldloc (mb, conv_arg);
4891 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4892 mono_mb_emit_byte (mb, CEE_STIND_I);
4894 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4895 mono_mb_emit_ldloc (mb, conv_arg);
4896 mono_mb_emit_icall (mb, mono_marshal_free);
4901 case MARSHAL_ACTION_CONV_RESULT:
4902 mono_mb_emit_byte (mb, CEE_STLOC_0);
4903 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4906 switch (spec->native) {
4907 case MONO_NATIVE_LPWSTR:
4908 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4911 g_warning ("marshalling conversion not implemented");
4912 g_assert_not_reached ();
4915 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4917 mono_mb_emit_byte (mb, CEE_STLOC_3);
4919 /* free the string */
4920 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4921 mono_mb_emit_icall (mb, g_free);
4925 g_assert_not_reached ();
4932 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4933 MonoMarshalSpec *spec,
4934 int conv_arg, MonoType **conv_arg_type,
4935 MarshalAction action)
4937 MonoMethodBuilder *mb = m->mb;
4938 MonoClass *klass = t->data.klass;
4942 case MARSHAL_ACTION_CONV_IN:
4943 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4944 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4946 m->orig_conv_args [argnum] = 0;
4948 if (klass->delegate) {
4949 g_assert (!t->byref);
4950 mono_mb_emit_ldarg (mb, argnum);
4951 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4952 mono_mb_emit_stloc (mb, conv_arg);
4953 } else if (klass == mono_defaults.stringbuilder_class) {
4954 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4955 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4957 g_assert (!t->byref);
4958 mono_mb_emit_ldarg (mb, argnum);
4961 mono_mb_emit_icall (mb, conv_to_icall (conv));
4963 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
4964 MonoException *exc = mono_get_exception_not_implemented (msg);
4967 mono_raise_exception (exc);
4970 mono_mb_emit_stloc (mb, conv_arg);
4971 } else if (klass->blittable) {
4972 mono_mb_emit_ldarg (mb, argnum);
4973 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4974 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4975 mono_mb_emit_icon (mb, sizeof (MonoObject));
4976 mono_mb_emit_byte (mb, CEE_ADD);
4977 mono_mb_emit_stloc (mb, conv_arg);
4980 mono_mb_emit_byte (mb, CEE_LDNULL);
4981 mono_mb_emit_stloc (mb, conv_arg);
4984 /* we dont need any conversions for out parameters */
4985 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4988 mono_mb_emit_ldarg (mb, argnum);
4989 mono_mb_emit_byte (mb, CEE_LDIND_I);
4992 mono_mb_emit_ldarg (mb, argnum);
4993 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4994 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4997 /* store the address of the source into local variable 0 */
4998 mono_mb_emit_byte (mb, CEE_STLOC_0);
4999 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5000 mono_mb_emit_byte (mb, CEE_BRFALSE);
5002 mono_mb_emit_i4 (mb, 0);
5004 /* allocate space for the native struct and store the address */
5005 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5006 mono_mb_emit_byte (mb, CEE_PREFIX1);
5007 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5008 mono_mb_emit_stloc (mb, conv_arg);
5011 /* Need to store the original buffer so we can free it later */
5012 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5013 mono_mb_emit_ldloc (mb, conv_arg);
5014 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5017 /* set the src_ptr */
5018 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5019 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5020 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5021 mono_mb_emit_icon (mb, sizeof (MonoObject));
5022 mono_mb_emit_byte (mb, CEE_ADD);
5023 mono_mb_emit_byte (mb, CEE_STLOC_0);
5026 mono_mb_emit_ldloc (mb, conv_arg);
5027 mono_mb_emit_byte (mb, CEE_STLOC_1);
5029 /* emit valuetype conversion code */
5030 emit_struct_conv (mb, klass, FALSE);
5032 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5036 case MARSHAL_ACTION_CONV_OUT:
5037 if (klass == mono_defaults.stringbuilder_class) {
5039 MonoMarshalNative encoding;
5040 MonoMarshalConv conv;
5042 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5043 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5045 g_assert (!t->byref);
5046 g_assert (encoding != -1);
5048 mono_mb_emit_ldarg (mb, argnum);
5049 mono_mb_emit_ldloc (mb, conv_arg);
5051 mono_mb_emit_icall (mb, conv_to_icall (conv));
5054 mono_mb_emit_ldloc (mb, conv_arg);
5055 mono_mb_emit_icall (mb, mono_marshal_free);
5060 if (klass->delegate)
5063 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5064 /* allocate a new object */
5065 mono_mb_emit_ldarg (mb, argnum);
5066 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5067 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5068 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5069 mono_mb_emit_byte (mb, CEE_STIND_I);
5072 /* dst = *argument */
5073 mono_mb_emit_ldarg (mb, argnum);
5076 mono_mb_emit_byte (mb, CEE_LDIND_I);
5078 mono_mb_emit_byte (mb, CEE_STLOC_1);
5080 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5081 mono_mb_emit_byte (mb, CEE_BRFALSE);
5083 mono_mb_emit_i4 (mb, 0);
5085 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5086 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5087 mono_mb_emit_icon (mb, sizeof (MonoObject));
5088 mono_mb_emit_byte (mb, CEE_ADD);
5089 mono_mb_emit_byte (mb, CEE_STLOC_1);
5091 /* src = tmp_locals [i] */
5092 mono_mb_emit_ldloc (mb, conv_arg);
5093 mono_mb_emit_byte (mb, CEE_STLOC_0);
5095 /* emit valuetype conversion code */
5096 emit_struct_conv (mb, t->data.klass, TRUE);
5098 /* Free the structure returned by the native code */
5099 emit_struct_free (mb, klass, conv_arg);
5101 if (m->orig_conv_args [argnum]) {
5103 * If the native function changed the pointer, then free
5104 * the original structure plus the new pointer.
5106 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5107 mono_mb_emit_ldloc (mb, conv_arg);
5108 mono_mb_emit_byte (mb, CEE_BEQ);
5110 mono_mb_emit_i4 (mb, 0);
5112 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5113 g_assert (m->orig_conv_args [argnum]);
5115 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5118 mono_mb_emit_ldloc (mb, conv_arg);
5119 mono_mb_emit_icall (mb, g_free);
5121 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5125 /* Free the original structure passed to native code */
5126 emit_struct_free (mb, klass, conv_arg);
5128 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5131 case MARSHAL_ACTION_CONV_RESULT:
5132 if (klass->delegate) {
5133 g_assert (!t->byref);
5134 mono_mb_emit_byte (mb, CEE_STLOC_0);
5135 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5136 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
5137 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5138 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5139 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5140 mono_mb_emit_byte (mb, CEE_STLOC_3);
5143 mono_mb_emit_byte (mb, CEE_STLOC_0);
5145 /* Make a copy since emit_conv modifies local 0 */
5146 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5147 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5148 mono_mb_emit_stloc (mb, loc);
5150 mono_mb_emit_byte (mb, CEE_LDNULL);
5151 mono_mb_emit_byte (mb, CEE_STLOC_3);
5153 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5154 mono_mb_emit_byte (mb, CEE_BRFALSE);
5156 mono_mb_emit_i4 (mb, 0);
5158 /* allocate result object */
5160 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5161 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5162 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5163 mono_mb_emit_byte (mb, CEE_STLOC_3);
5167 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5168 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5169 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5170 mono_mb_emit_icon (mb, sizeof (MonoObject));
5171 mono_mb_emit_byte (mb, CEE_ADD);
5172 mono_mb_emit_byte (mb, CEE_STLOC_1);
5174 /* emit conversion code */
5175 emit_struct_conv (mb, klass, TRUE);
5177 emit_struct_free (mb, klass, loc);
5179 /* Free the pointer allocated by unmanaged code */
5180 mono_mb_emit_ldloc (mb, loc);
5181 mono_mb_emit_icall (mb, g_free);
5182 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5187 g_assert_not_reached ();
5194 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5195 MonoMarshalSpec *spec,
5196 int conv_arg, MonoType **conv_arg_type,
5197 MarshalAction action)
5199 MonoMethodBuilder *mb = m->mb;
5200 MonoClass *klass = mono_class_from_mono_type (t);
5201 gboolean need_convert, need_free;
5204 case MARSHAL_ACTION_CONV_IN:
5205 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5206 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5208 if (klass->element_class->blittable) {
5209 mono_mb_emit_ldarg (mb, argnum);
5211 mono_mb_emit_byte (mb, CEE_LDIND_I);
5212 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5213 mono_mb_emit_stloc (mb, conv_arg);
5217 guint32 label1, label2, label3;
5218 int index_var, src_var, dest_ptr, esize;
5219 MonoMarshalNative encoding;
5220 MonoMarshalConv conv;
5221 gboolean is_string = FALSE;
5223 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5225 eklass = klass->element_class;
5227 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5228 if (eklass == mono_defaults.string_class) {
5230 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5232 else if (eklass == mono_defaults.stringbuilder_class) {
5234 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5239 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5240 mono_mb_emit_ldarg (mb, argnum);
5242 mono_mb_emit_byte (mb, CEE_LDIND_I);
5243 mono_mb_emit_stloc (mb, src_var);
5246 mono_mb_emit_ldloc (mb, src_var);
5247 mono_mb_emit_stloc (mb, conv_arg);
5248 mono_mb_emit_ldloc (mb, src_var);
5249 mono_mb_emit_byte (mb, CEE_BRFALSE);
5251 mono_mb_emit_i4 (mb, 0);
5255 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5256 MonoException *exc = mono_get_exception_not_implemented (msg);
5259 mono_raise_exception (exc);
5264 esize = sizeof (gpointer);
5266 esize = mono_class_native_size (eklass, NULL);
5268 /* allocate space for the native struct and store the address */
5269 mono_mb_emit_icon (mb, esize);
5270 mono_mb_emit_ldloc (mb, src_var);
5271 mono_mb_emit_byte (mb, CEE_LDLEN);
5273 if (eklass == mono_defaults.string_class) {
5274 /* Make the array bigger for the terminating null */
5275 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5276 mono_mb_emit_byte (mb, CEE_ADD);
5278 mono_mb_emit_byte (mb, CEE_MUL);
5279 mono_mb_emit_byte (mb, CEE_PREFIX1);
5280 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5281 mono_mb_emit_stloc (mb, conv_arg);
5283 mono_mb_emit_ldloc (mb, conv_arg);
5284 mono_mb_emit_stloc (mb, dest_ptr);
5286 /* Emit marshalling loop */
5287 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5288 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5289 mono_mb_emit_stloc (mb, index_var);
5291 mono_mb_emit_ldloc (mb, index_var);
5292 mono_mb_emit_ldloc (mb, src_var);
5293 mono_mb_emit_byte (mb, CEE_LDLEN);
5294 mono_mb_emit_byte (mb, CEE_BGE);
5296 mono_mb_emit_i4 (mb, 0);
5298 /* Emit marshalling code */
5301 mono_mb_emit_ldloc (mb, dest_ptr);
5302 mono_mb_emit_ldloc (mb, src_var);
5303 mono_mb_emit_ldloc (mb, index_var);
5304 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5305 mono_mb_emit_icall (mb, conv_to_icall (conv));
5306 mono_mb_emit_byte (mb, CEE_STIND_I);
5309 /* set the src_ptr */
5310 mono_mb_emit_ldloc (mb, src_var);
5311 mono_mb_emit_ldloc (mb, index_var);
5312 mono_mb_emit_byte (mb, CEE_LDELEMA);
5313 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5314 mono_mb_emit_byte (mb, CEE_STLOC_0);
5317 mono_mb_emit_ldloc (mb, dest_ptr);
5318 mono_mb_emit_byte (mb, CEE_STLOC_1);
5320 /* emit valuetype conversion code */
5321 emit_struct_conv (mb, eklass, FALSE);
5324 mono_mb_emit_add_to_local (mb, index_var, 1);
5325 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5327 mono_mb_emit_byte (mb, CEE_BR);
5328 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5330 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5332 if (eklass == mono_defaults.string_class) {
5333 /* Null terminate */
5334 mono_mb_emit_ldloc (mb, dest_ptr);
5335 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5336 mono_mb_emit_byte (mb, CEE_STIND_REF);
5339 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5344 case MARSHAL_ACTION_CONV_OUT:
5345 /* Character arrays are implicitly marshalled as [Out] */
5346 need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
5347 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5350 if (need_convert || need_free) {
5351 /* FIXME: Optimize blittable case */
5353 guint32 label1, label2, label3;
5354 int index_var, src_ptr, loc, esize;
5356 eklass = klass->element_class;
5357 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5358 esize = sizeof (gpointer);
5360 esize = mono_class_native_size (eklass, NULL);
5361 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5362 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5365 mono_mb_emit_ldarg (mb, argnum);
5367 mono_mb_emit_byte (mb, CEE_LDIND_I);
5368 mono_mb_emit_byte (mb, CEE_BRFALSE);
5370 mono_mb_emit_i4 (mb, 0);
5372 mono_mb_emit_ldloc (mb, conv_arg);
5373 mono_mb_emit_stloc (mb, src_ptr);
5375 /* Emit marshalling loop */
5376 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5377 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5378 mono_mb_emit_stloc (mb, index_var);
5380 mono_mb_emit_ldloc (mb, index_var);
5381 mono_mb_emit_ldarg (mb, argnum);
5383 mono_mb_emit_byte (mb, CEE_LDIND_I);
5384 mono_mb_emit_byte (mb, CEE_LDLEN);
5385 mono_mb_emit_byte (mb, CEE_BGE);
5387 mono_mb_emit_i4 (mb, 0);
5389 /* Emit marshalling code */
5391 if (eklass == mono_defaults.stringbuilder_class) {
5392 gboolean need_free2;
5393 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5395 g_assert (conv != -1);
5398 mono_mb_emit_ldarg (mb, argnum);
5400 mono_mb_emit_byte (mb, CEE_LDIND_I);
5401 mono_mb_emit_ldloc (mb, index_var);
5402 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5405 mono_mb_emit_ldloc (mb, src_ptr);
5406 mono_mb_emit_byte (mb, CEE_LDIND_I);
5408 mono_mb_emit_icall (mb, conv_to_icall (conv));
5412 mono_mb_emit_ldloc (mb, src_ptr);
5413 mono_mb_emit_byte (mb, CEE_LDIND_I);
5415 mono_mb_emit_icall (mb, mono_marshal_free);
5418 else if (eklass == mono_defaults.string_class) {
5421 mono_mb_emit_ldloc (mb, src_ptr);
5422 mono_mb_emit_byte (mb, CEE_LDIND_I);
5424 mono_mb_emit_icall (mb, mono_marshal_free);
5429 /* set the src_ptr */
5430 mono_mb_emit_ldloc (mb, src_ptr);
5431 mono_mb_emit_byte (mb, CEE_STLOC_0);
5434 mono_mb_emit_ldarg (mb, argnum);
5436 mono_mb_emit_byte (mb, CEE_LDIND_I);
5437 mono_mb_emit_ldloc (mb, index_var);
5438 mono_mb_emit_byte (mb, CEE_LDELEMA);
5439 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5440 mono_mb_emit_byte (mb, CEE_STLOC_1);
5442 /* emit valuetype conversion code */
5443 emit_struct_conv (mb, eklass, TRUE);
5447 mono_mb_emit_ldloc (mb, src_ptr);
5448 mono_mb_emit_stloc (mb, loc);
5449 mono_mb_emit_ldloc (mb, loc);
5451 emit_struct_free (mb, eklass, loc);
5455 mono_mb_emit_add_to_local (mb, index_var, 1);
5456 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5458 mono_mb_emit_byte (mb, CEE_BR);
5459 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5461 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5462 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5466 case MARSHAL_ACTION_CONV_RESULT:
5467 /* fixme: we need conversions here */
5468 mono_mb_emit_byte (mb, CEE_STLOC_3);
5471 g_assert_not_reached ();
5478 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5479 MonoMarshalSpec *spec,
5480 int conv_arg, MonoType **conv_arg_type,
5481 MarshalAction action)
5483 MonoMethodBuilder *mb = m->mb;
5486 case MARSHAL_ACTION_CONV_IN: {
5487 MonoType *local_type;
5488 int variant_bool = 0;
5492 local_type = &mono_defaults.int32_class->byval_arg;
5494 switch (spec->native) {
5495 case MONO_NATIVE_I1:
5496 local_type = &mono_defaults.byte_class->byval_arg;
5498 case MONO_NATIVE_VARIANTBOOL:
5499 local_type = &mono_defaults.int16_class->byval_arg;
5503 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5504 local_type = &mono_defaults.int32_class->byval_arg;
5508 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5509 conv_arg = mono_mb_add_local (mb, local_type);
5510 mono_mb_emit_ldarg (mb, argnum);
5511 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5513 mono_mb_emit_byte (mb, CEE_NEG);
5514 mono_mb_emit_stloc (mb, conv_arg);
5518 case MARSHAL_ACTION_CONV_RESULT:
5519 /* maybe we need to make sure that it fits within 8 bits */
5520 mono_mb_emit_byte (mb, CEE_STLOC_3);
5524 g_assert_not_reached ();
5531 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5532 MonoMarshalSpec *spec, int conv_arg,
5533 MonoType **conv_arg_type, MarshalAction action)
5535 /* Ensure that we have marshalling info for this param */
5536 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5538 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5539 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5541 if (spec && spec->native == MONO_NATIVE_ASANY)
5542 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5545 case MONO_TYPE_VALUETYPE:
5546 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5547 case MONO_TYPE_STRING:
5548 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5549 case MONO_TYPE_CLASS:
5550 case MONO_TYPE_OBJECT:
5551 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5552 case MONO_TYPE_ARRAY:
5553 case MONO_TYPE_SZARRAY:
5554 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5555 case MONO_TYPE_BOOLEAN:
5556 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5563 * mono_marshal_get_native_wrapper:
5564 * @method: The MonoMethod to wrap.
5566 * generates IL code for the pinvoke wrapper (the generated method
5567 * calls the unmanaged code in piinfo->addr)
5570 mono_marshal_get_native_wrapper (MonoMethod *method)
5572 EmitMarshalContext m;
5573 MonoMethodSignature *sig, *csig;
5574 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5575 MonoMethodBuilder *mb;
5576 MonoMarshalSpec **mspecs;
5580 gboolean pinvoke = FALSE;
5581 int i, argnum, *tmp_locals;
5583 const char *exc_class = "MissingMethodException";
5584 const char *exc_arg = NULL;
5586 g_assert (method != NULL);
5587 g_assert (method->signature->pinvoke);
5589 cache = method->klass->image->native_wrapper_cache;
5590 if ((res = mono_marshal_find_in_cache (cache, method)))
5593 sig = method->signature;
5595 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5596 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5599 if (!piinfo->addr) {
5601 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
5603 piinfo->addr = mono_lookup_internal_call (method);
5606 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5608 mb->method->save_lmf = 1;
5610 if (!piinfo->addr) {
5611 mono_mb_emit_exception (mb, exc_class, exc_arg);
5612 csig = mono_metadata_signature_dup (sig);
5614 res = mono_mb_create_and_cache (cache, method,
5615 mb, csig, csig->param_count + 16);
5623 /* internal calls: we simply push all arguments and call the method (no conversions) */
5624 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5626 /* hack - string constructors returns a value */
5627 if (method->string_ctor) {
5628 csig = mono_metadata_signature_dup (sig);
5629 csig->ret = &mono_defaults.string_class->byval_arg;
5634 mono_mb_emit_byte (mb, CEE_LDARG_0);
5636 for (i = 0; i < sig->param_count; i++)
5637 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5639 g_assert (piinfo->addr);
5640 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5641 emit_thread_interrupt_checkpoint (mb);
5642 mono_mb_emit_byte (mb, CEE_RET);
5644 csig = mono_metadata_signature_dup (csig);
5646 res = mono_mb_create_and_cache (cache, method,
5647 mb, csig, csig->param_count + 16);
5654 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
5655 mono_method_get_marshal_info (method, mspecs);
5657 /* pinvoke: we need to convert the arguments if necessary */
5659 /* we copy the signature, so that we can set pinvoke to 0 */
5660 csig = mono_metadata_signature_dup (sig);
5663 /* we allocate local for use with emit_struct_conv() */
5664 /* allocate local 0 (pointer) src_ptr */
5665 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5666 /* allocate local 1 (pointer) dst_ptr */
5667 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5668 /* allocate local 2 (boolean) delete_old */
5669 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5671 /* delete_old = FALSE */
5672 mono_mb_emit_icon (mb, 0);
5673 mono_mb_emit_byte (mb, CEE_STLOC_2);
5675 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5676 /* allocate local 3 to store the return value */
5677 mono_mb_add_local (mb, sig->ret);
5680 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5681 /* Return type custom marshaling */
5683 * Since we can't determine the return type of the unmanaged function,
5684 * we assume it returns a pointer, and pass that pointer to
5685 * MarshalNativeToManaged.
5687 csig->ret = &mono_defaults.int_class->byval_arg;
5690 /* we first do all conversions */
5691 tmp_locals = alloca (sizeof (int) * sig->param_count);
5692 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5694 for (i = 0; i < sig->param_count; i ++) {
5695 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5698 /* push all arguments */
5701 mono_mb_emit_byte (mb, CEE_LDARG_0);
5703 for (i = 0; i < sig->param_count; i++) {
5704 MonoType *t = sig->params [i];
5705 MonoMarshalSpec *spec = mspecs [i + 1];
5707 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5708 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5710 argnum = i + sig->hasthis;
5713 case MONO_TYPE_BOOLEAN:
5715 g_assert (tmp_locals [i]);
5716 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5718 mono_mb_emit_ldarg (mb, argnum);
5733 mono_mb_emit_ldarg (mb, argnum);
5735 case MONO_TYPE_VALUETYPE:
5736 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5738 case MONO_TYPE_STRING:
5739 case MONO_TYPE_CLASS:
5740 case MONO_TYPE_OBJECT:
5741 case MONO_TYPE_ARRAY:
5742 case MONO_TYPE_SZARRAY:
5743 g_assert (tmp_locals [i]);
5745 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5747 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5749 case MONO_TYPE_CHAR:
5750 /* fixme: dont know how to marshal that. We cant simply
5751 * convert it to a one byte UTF8 character, because an
5752 * unicode character may need more that one byte in UTF8 */
5753 mono_mb_emit_ldarg (mb, argnum);
5755 case MONO_TYPE_TYPEDBYREF:
5756 case MONO_TYPE_FNPTR:
5758 g_warning ("type 0x%02x unknown", t->type);
5759 g_assert_not_reached ();
5764 /* call the native method */
5765 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5767 /* Set LastError if needed */
5768 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5769 MonoMethodSignature *lasterr_sig;
5771 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5772 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5773 lasterr_sig->pinvoke = 1;
5775 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
5778 /* convert the result */
5779 if (!sig->ret->byref) {
5780 MonoMarshalSpec *spec = mspecs [0];
5781 type = sig->ret->type;
5783 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
5784 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5789 case MONO_TYPE_VOID:
5804 /* no conversions necessary */
5805 mono_mb_emit_byte (mb, CEE_STLOC_3);
5807 case MONO_TYPE_VALUETYPE:
5808 klass = sig->ret->data.klass;
5809 if (klass->enumtype) {
5810 type = sig->ret->data.klass->enum_basetype->type;
5813 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5815 case MONO_TYPE_STRING:
5816 case MONO_TYPE_CLASS:
5817 case MONO_TYPE_OBJECT:
5818 case MONO_TYPE_BOOLEAN:
5819 case MONO_TYPE_ARRAY:
5820 case MONO_TYPE_SZARRAY:
5821 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5823 case MONO_TYPE_CHAR:
5824 /* fixme: we need conversions here */
5825 mono_mb_emit_byte (mb, CEE_STLOC_3);
5827 case MONO_TYPE_TYPEDBYREF:
5828 case MONO_TYPE_FNPTR:
5830 g_warning ("return type 0x%02x unknown", sig->ret->type);
5831 g_assert_not_reached ();
5835 mono_mb_emit_byte (mb, CEE_STLOC_3);
5839 * Need to call this after converting the result since MONO_VTADDR needs
5840 * to be adjacent to the call instruction.
5842 emit_thread_interrupt_checkpoint (mb);
5844 /* we need to convert byref arguments back and free string arrays */
5845 for (i = 0; i < sig->param_count; i++) {
5846 MonoType *t = sig->params [i];
5847 MonoMarshalSpec *spec = mspecs [i + 1];
5849 argnum = i + sig->hasthis;
5851 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
5852 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5857 case MONO_TYPE_STRING:
5858 case MONO_TYPE_VALUETYPE:
5859 case MONO_TYPE_CLASS:
5860 case MONO_TYPE_OBJECT:
5861 case MONO_TYPE_SZARRAY:
5862 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5864 case MONO_TYPE_BOOLEAN:
5867 mono_mb_emit_ldarg (mb, argnum);
5868 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5869 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
5870 mono_mb_emit_byte (mb, CEE_NEG);
5871 mono_mb_emit_byte (mb, CEE_STIND_I1);
5875 if (!MONO_TYPE_IS_VOID(sig->ret))
5876 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5878 mono_mb_emit_byte (mb, CEE_RET);
5880 csig = mono_metadata_signature_dup (sig);
5882 res = mono_mb_create_and_cache (cache, method,
5883 mb, csig, csig->param_count + 16);
5886 for (i = sig->param_count; i >= 0; i--)
5887 g_free (mspecs [i]);
5890 /* 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)); */
5896 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
5898 static MonoReflectionType *
5899 type_from_handle (MonoType *handle)
5901 MonoDomain *domain = mono_domain_get ();
5902 MonoClass *klass = mono_class_from_mono_type (handle);
5904 MONO_ARCH_SAVE_REGS;
5906 mono_class_init (klass);
5907 return mono_type_get_object (domain, handle);
5911 * mono_marshal_get_isinst:
5912 * @klass: the type of the field
5914 * This method generates a function which can be used to check if an object is
5915 * an instance of the given type, icluding the case where the object is a proxy.
5916 * The generated function has the following signature:
5917 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
5920 mono_marshal_get_isinst (MonoClass *klass)
5922 static MonoMethodSignature *isint_sig = NULL;
5923 static GHashTable *isinst_hash = NULL;
5925 int pos_was_ok, pos_failed, pos_end, pos_end2;
5927 MonoMethodBuilder *mb;
5929 EnterCriticalSection (&marshal_mutex);
5931 isinst_hash = g_hash_table_new (NULL, NULL);
5933 res = g_hash_table_lookup (isinst_hash, klass);
5934 LeaveCriticalSection (&marshal_mutex);
5939 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5940 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
5941 isint_sig->ret = &mono_defaults.object_class->byval_arg;
5942 isint_sig->pinvoke = 0;
5945 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
5946 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
5949 mb->method->save_lmf = 1;
5951 /* check if the object is a proxy that needs special cast */
5952 mono_mb_emit_ldarg (mb, 0);
5953 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5954 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
5955 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5957 /* The result of MONO_ISINST can be:
5958 0) the type check succeeded
5959 1) the type check did not succeed
5960 2) a CanCastTo call is needed */
5962 mono_mb_emit_byte (mb, CEE_DUP);
5963 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
5965 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
5966 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
5968 /* get the real proxy from the transparent proxy*/
5970 mono_mb_emit_ldarg (mb, 0);
5971 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
5972 pos_end = mono_mb_emit_branch (mb, CEE_BR);
5976 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5977 mono_mb_emit_byte (mb, CEE_LDNULL);
5978 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
5982 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
5983 mono_mb_emit_byte (mb, CEE_POP);
5984 mono_mb_emit_ldarg (mb, 0);
5988 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
5989 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
5990 mono_mb_emit_byte (mb, CEE_RET);
5992 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
5999 * mono_marshal_get_castclass:
6000 * @klass: the type of the field
6002 * This method generates a function which can be used to cast an object to
6003 * an instance of the given type, icluding the case where the object is a proxy.
6004 * The generated function has the following signature:
6005 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6008 mono_marshal_get_castclass (MonoClass *klass)
6010 static MonoMethodSignature *castclass_sig = NULL;
6011 static GHashTable *castclass_hash = NULL;
6013 int pos_was_ok, pos_was_ok2;
6015 MonoMethodBuilder *mb;
6017 EnterCriticalSection (&marshal_mutex);
6018 if (!castclass_hash)
6019 castclass_hash = g_hash_table_new (NULL, NULL);
6021 res = g_hash_table_lookup (castclass_hash, klass);
6022 LeaveCriticalSection (&marshal_mutex);
6026 if (!castclass_sig) {
6027 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6028 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6029 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6030 castclass_sig->pinvoke = 0;
6033 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6034 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6037 mb->method->save_lmf = 1;
6039 /* check if the object is a proxy that needs special cast */
6040 mono_mb_emit_ldarg (mb, 0);
6041 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6042 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6043 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6045 /* The result of MONO_ISINST can be:
6046 0) the cast is valid
6047 1) cast of unknown proxy type
6048 or an exception if the cast is is invalid
6051 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6053 /* get the real proxy from the transparent proxy*/
6055 mono_mb_emit_ldarg (mb, 0);
6056 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6057 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6060 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6063 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6064 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6065 mono_mb_emit_ldarg (mb, 0);
6068 mono_mb_emit_byte (mb, CEE_RET);
6070 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6077 mono_marshal_get_proxy_cancast (MonoClass *klass)
6079 static MonoMethodSignature *from_handle_sig = NULL;
6080 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6081 static MonoMethodSignature *isint_sig = NULL;
6082 static GHashTable *proxy_isinst_hash = NULL;
6084 int pos_failed, pos_end;
6086 MonoMethod *can_cast_to;
6087 MonoMethodDesc *desc;
6088 MonoMethodBuilder *mb;
6090 EnterCriticalSection (&marshal_mutex);
6091 if (!proxy_isinst_hash)
6092 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6094 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6095 LeaveCriticalSection (&marshal_mutex);
6100 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6101 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6102 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6103 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6104 upgrade_proxy_sig->pinvoke = 1;
6106 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6107 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6108 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6110 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6111 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6112 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6113 isint_sig->pinvoke = 0;
6116 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6117 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6120 mb->method->save_lmf = 1;
6122 /* get the real proxy from the transparent proxy*/
6123 mono_mb_emit_ldarg (mb, 0);
6124 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6125 mono_mb_emit_byte (mb, CEE_LDIND_I);
6127 /* get the refletion type from the type handle */
6128 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6129 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6130 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6131 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6133 mono_mb_emit_ldarg (mb, 0);
6135 /* make the call to CanCastTo (type, ob) */
6136 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6137 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6138 g_assert (can_cast_to);
6139 mono_method_desc_free (desc);
6140 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6141 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6144 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6146 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6147 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6148 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6149 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6150 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6151 mono_mb_emit_ldarg (mb, 0);
6153 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6154 emit_thread_interrupt_checkpoint (mb);
6156 mono_mb_emit_ldarg (mb, 0);
6157 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6161 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6162 mono_mb_emit_byte (mb, CEE_LDNULL);
6166 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6167 mono_mb_emit_byte (mb, CEE_RET);
6169 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6176 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6179 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6180 klass = mono_class_from_mono_type (rtype->type);
6181 mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
6182 ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
6186 * mono_marshal_get_struct_to_ptr:
6189 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6192 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6194 MonoMethodBuilder *mb;
6195 static MonoMethod *stoptr = NULL;
6198 g_assert (klass != NULL);
6200 if (klass->str_to_ptr)
6201 return klass->str_to_ptr;
6204 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6207 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6209 if (klass->blittable) {
6210 mono_mb_emit_byte (mb, CEE_LDARG_1);
6211 mono_mb_emit_byte (mb, CEE_LDARG_0);
6212 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6213 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6214 mono_mb_emit_byte (mb, CEE_PREFIX1);
6215 mono_mb_emit_byte (mb, CEE_CPBLK);
6218 /* allocate local 0 (pointer) src_ptr */
6219 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6220 /* allocate local 1 (pointer) dst_ptr */
6221 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6222 /* allocate local 2 (boolean) delete_old */
6223 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6224 mono_mb_emit_byte (mb, CEE_LDARG_2);
6225 mono_mb_emit_byte (mb, CEE_STLOC_2);
6227 /* initialize src_ptr to point to the start of object data */
6228 mono_mb_emit_byte (mb, CEE_LDARG_0);
6229 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6230 mono_mb_emit_byte (mb, CEE_STLOC_0);
6232 /* initialize dst_ptr */
6233 mono_mb_emit_byte (mb, CEE_LDARG_1);
6234 mono_mb_emit_byte (mb, CEE_STLOC_1);
6236 emit_struct_conv (mb, klass, FALSE);
6239 mono_mb_emit_byte (mb, CEE_RET);
6241 res = mono_mb_create_method (mb, stoptr->signature, 0);
6244 klass->str_to_ptr = res;
6249 * mono_marshal_get_ptr_to_struct:
6252 * generates IL code for PtrToStructure (IntPtr src, object structure)
6255 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6257 MonoMethodBuilder *mb;
6258 static MonoMethod *ptostr = NULL;
6261 g_assert (klass != NULL);
6263 if (klass->ptr_to_str)
6264 return klass->ptr_to_str;
6267 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6270 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6272 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6273 mono_mb_emit_byte (mb, CEE_LDARG_1);
6274 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6275 mono_mb_emit_byte (mb, CEE_LDARG_0);
6276 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6277 mono_mb_emit_byte (mb, CEE_PREFIX1);
6278 mono_mb_emit_byte (mb, CEE_CPBLK);
6281 /* allocate local 0 (pointer) src_ptr */
6282 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6283 /* allocate local 1 (pointer) dst_ptr */
6284 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6286 /* initialize src_ptr to point to the start of object data */
6287 mono_mb_emit_byte (mb, CEE_LDARG_0);
6288 mono_mb_emit_byte (mb, CEE_STLOC_0);
6290 /* initialize dst_ptr */
6291 mono_mb_emit_byte (mb, CEE_LDARG_1);
6292 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6293 mono_mb_emit_byte (mb, CEE_STLOC_1);
6295 emit_struct_conv (mb, klass, TRUE);
6298 mono_mb_emit_byte (mb, CEE_RET);
6300 res = mono_mb_create_method (mb, ptostr->signature, 0);
6303 klass->ptr_to_str = res;
6308 * generates IL code for the synchronized wrapper: the generated method
6309 * calls METHOD while locking 'this' or the parent type.
6312 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6314 static MonoMethodSignature *from_handle_sig = NULL;
6315 static MonoMethod *enter_method, *exit_method;
6316 MonoMethodSignature *sig;
6317 MonoExceptionClause *clause;
6318 MonoMethodHeader *header;
6319 MonoMethodBuilder *mb;
6322 int i, pos, this_local, ret_local = 0;
6326 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6329 cache = method->klass->image->synchronized_cache;
6330 if ((res = mono_marshal_find_in_cache (cache, method)))
6333 sig = signature_no_pinvoke (method->signature);
6335 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6338 if (!MONO_TYPE_IS_VOID (sig->ret))
6339 ret_local = mono_mb_add_local (mb, sig->ret);
6342 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6344 clause = g_new0 (MonoExceptionClause, 1);
6345 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6347 if (!enter_method) {
6348 MonoMethodDesc *desc;
6350 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6351 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6352 g_assert (enter_method);
6353 mono_method_desc_free (desc);
6354 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6355 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6356 g_assert (exit_method);
6357 mono_method_desc_free (desc);
6360 * GetTypeFromHandle isn't called as a managed method because it has
6361 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6362 * transformed into something else by the JIT.
6364 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6365 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6366 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6369 /* Push this or the type object */
6370 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
6371 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6372 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6373 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
6374 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6377 mono_mb_emit_ldarg (mb, 0);
6378 mono_mb_emit_stloc (mb, this_local);
6380 /* Call Monitor::Enter() */
6381 mono_mb_emit_ldloc (mb, this_local);
6382 mono_mb_emit_managed_call (mb, enter_method, NULL);
6384 clause->try_offset = mb->pos;
6386 /* Call the method */
6388 mono_mb_emit_ldarg (mb, 0);
6389 for (i = 0; i < sig->param_count; i++)
6390 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
6392 /* this is needed to avoid recursion */
6393 mono_mb_emit_byte (mb, CEE_PREFIX1);
6394 mono_mb_emit_byte (mb, CEE_LDFTN);
6395 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
6396 mono_mb_emit_calli (mb, method->signature);
6398 if (!MONO_TYPE_IS_VOID (sig->ret))
6399 mono_mb_emit_stloc (mb, ret_local);
6401 mono_mb_emit_byte (mb, CEE_LEAVE);
6403 mono_mb_emit_i4 (mb, 0);
6405 clause->try_len = mb->pos - clause->try_offset;
6406 clause->handler_offset = mb->pos;
6408 /* Call Monitor::Exit() */
6409 mono_mb_emit_ldloc (mb, this_local);
6410 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
6411 mono_mb_emit_managed_call (mb, exit_method, NULL);
6412 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
6414 clause->handler_len = mb->pos - clause->handler_offset;
6416 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6417 if (!MONO_TYPE_IS_VOID (sig->ret))
6418 mono_mb_emit_ldloc (mb, ret_local);
6419 mono_mb_emit_byte (mb, CEE_RET);
6421 res = mono_mb_create_and_cache (cache, method,
6422 mb, sig, sig->param_count + 16);
6425 header = ((MonoMethodNormal *)res)->header;
6426 header->num_clauses = 1;
6427 header->clauses = clause;
6433 mono_marshal_get_stelemref ()
6435 static MonoMethod* ret = NULL;
6436 MonoMethodSignature *sig;
6437 MonoMethodBuilder *mb;
6439 guint32 b1, b2, b3, b4;
6446 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
6449 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
6451 /* void stelemref (void* array, int idx, void* value) */
6452 sig->ret = &mono_defaults.void_class->byval_arg;
6453 sig->params [0] = &mono_defaults.int_class->byval_arg;
6454 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
6455 sig->params [2] = &mono_defaults.int_class->byval_arg;
6457 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6458 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6466 aklass = array->vtable->klass->element_class;
6467 vklass = value->vtable->klass;
6469 if (vklass->idepth < aklass->idepth)
6472 if (vklass->supertypes [aklass->idepth - 1] != aklass)
6476 array [idx] = value;
6480 if (mono_object_isinst (value, aklass))
6483 throw new ArrayTypeMismatchException ();
6487 mono_mb_emit_ldarg (mb, 0);
6488 mono_mb_emit_ldarg (mb, 1);
6489 mono_mb_emit_byte (mb, CEE_LDELEMA);
6490 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.int_class));
6491 mono_mb_emit_byte (mb, CEE_POP);
6493 /* if (!value) goto do_store */
6494 mono_mb_emit_ldarg (mb, 2);
6495 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6497 /* aklass = array->vtable->klass->element_class */
6498 mono_mb_emit_ldarg (mb, 0);
6499 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6500 mono_mb_emit_byte (mb, CEE_LDIND_I);
6501 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6502 mono_mb_emit_byte (mb, CEE_LDIND_I);
6503 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
6504 mono_mb_emit_byte (mb, CEE_LDIND_I);
6505 mono_mb_emit_stloc (mb, aklass);
6507 /* vklass = value->vtable->klass */
6508 mono_mb_emit_ldarg (mb, 2);
6509 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6510 mono_mb_emit_byte (mb, CEE_LDIND_I);
6511 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6512 mono_mb_emit_byte (mb, CEE_LDIND_I);
6513 mono_mb_emit_stloc (mb, vklass);
6515 /* if (vklass->idepth < aklass->idepth) goto failue */
6516 mono_mb_emit_ldloc (mb, vklass);
6517 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6518 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6520 mono_mb_emit_ldloc (mb, aklass);
6521 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6522 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6524 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
6526 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
6527 mono_mb_emit_ldloc (mb, vklass);
6528 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
6529 mono_mb_emit_byte (mb, CEE_LDIND_I);
6531 mono_mb_emit_ldloc (mb, aklass);
6532 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6533 mono_mb_emit_byte (mb, CEE_LDIND_I4);
6534 mono_mb_emit_icon (mb, 1);
6535 mono_mb_emit_byte (mb, CEE_SUB);
6536 mono_mb_emit_icon (mb, sizeof (void*));
6537 mono_mb_emit_byte (mb, CEE_MUL);
6538 mono_mb_emit_byte (mb, CEE_ADD);
6539 mono_mb_emit_byte (mb, CEE_LDIND_I);
6541 mono_mb_emit_ldloc (mb, aklass);
6543 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
6547 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
6548 mono_mb_emit_ldarg (mb, 0);
6549 mono_mb_emit_ldarg (mb, 1);
6550 mono_mb_emit_ldarg (mb, 2);
6551 mono_mb_emit_byte (mb, CEE_STELEM_I);
6553 mono_mb_emit_byte (mb, CEE_RET);
6556 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
6557 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
6559 mono_mb_emit_ldarg (mb, 2);
6560 mono_mb_emit_ldloc (mb, aklass);
6561 mono_mb_emit_icall (mb, mono_object_isinst);
6563 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6564 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
6565 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
6567 mono_mb_emit_byte (mb, CEE_RET);
6568 ret = mono_mb_create_method (mb, sig, 4);
6574 mono_marshal_alloc (gulong size)
6578 #ifdef PLATFORM_WIN32
6579 res = CoTaskMemAlloc (size);
6581 res = g_try_malloc ((gulong)size);
6583 mono_gc_out_of_memory ((gulong)size);
6589 mono_marshal_free (gpointer ptr)
6591 #ifdef PLATFORM_WIN32
6592 CoTaskMemFree (ptr);
6599 mono_marshal_free_array (gpointer *ptr, int size)
6606 for (i = 0; i < size; i++)
6612 mono_marshal_realloc (gpointer ptr, gpointer size)
6614 MONO_ARCH_SAVE_REGS;
6616 return g_try_realloc (ptr, (gulong)size);
6620 mono_marshal_string_to_utf16 (MonoString *s)
6622 return s ? mono_string_chars (s) : NULL;
6626 * mono_marshal_set_last_error:
6628 * This function is invoked to set the last error value from a P/Invoke call
6629 * which has SetLastError set.
6632 mono_marshal_set_last_error (void)
6635 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
6637 TlsSetValue (last_error_tls_id, (gpointer)errno);
6642 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
6643 gpointer dest, gint32 length)
6648 MONO_ARCH_SAVE_REGS;
6650 MONO_CHECK_ARG_NULL (src);
6651 MONO_CHECK_ARG_NULL (dest);
6653 g_assert (src->obj.vtable->klass->rank == 1);
6654 g_assert (start_index >= 0);
6655 g_assert (length >= 0);
6656 g_assert (start_index + length <= mono_array_length (src));
6658 element_size = mono_array_element_size (src->obj.vtable->klass);
6660 source_addr = mono_array_addr_with_size (src, element_size, start_index);
6662 memcpy (dest, source_addr, length * element_size);
6666 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
6667 MonoArray *dest, gint32 length)
6672 MONO_ARCH_SAVE_REGS;
6674 MONO_CHECK_ARG_NULL (src);
6675 MONO_CHECK_ARG_NULL (dest);
6677 g_assert (dest->obj.vtable->klass->rank == 1);
6678 g_assert (start_index >= 0);
6679 g_assert (length >= 0);
6680 g_assert (start_index + length <= mono_array_length (dest));
6682 element_size = mono_array_element_size (dest->obj.vtable->klass);
6684 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
6686 memcpy (dest_addr, src, length * element_size);
6689 #if NO_UNALIGNED_ACCESS
6690 #define RETURN_UNALIGNED(type, addr) \
6693 memcpy(&val, p + offset, sizeof(val)); \
6696 #define WRITE_UNALIGNED(type, addr, val) \
6697 memcpy(addr, &val, sizeof(type))
6699 #define RETURN_UNALIGNED(type, addr) \
6700 return *(type*)(p + offset);
6701 #define WRITE_UNALIGNED(type, addr, val) \
6702 (*(type *)(addr) = (val))
6706 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
6710 MONO_ARCH_SAVE_REGS;
6712 RETURN_UNALIGNED(gpointer, p + offset);
6716 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
6720 MONO_ARCH_SAVE_REGS;
6722 return *(unsigned char*)(p + offset);
6726 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
6730 MONO_ARCH_SAVE_REGS;
6732 RETURN_UNALIGNED(gint16, p + offset);
6736 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
6740 MONO_ARCH_SAVE_REGS;
6742 RETURN_UNALIGNED(gint32, p + offset);
6746 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
6750 MONO_ARCH_SAVE_REGS;
6752 RETURN_UNALIGNED(gint64, p + offset);
6756 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
6760 MONO_ARCH_SAVE_REGS;
6762 *(unsigned char*)(p + offset) = val;
6766 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
6770 MONO_ARCH_SAVE_REGS;
6772 WRITE_UNALIGNED(gpointer, p + offset, val);
6776 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
6780 MONO_ARCH_SAVE_REGS;
6782 WRITE_UNALIGNED(gint16, p + offset, val);
6786 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
6790 MONO_ARCH_SAVE_REGS;
6792 WRITE_UNALIGNED(gint32, p + offset, val);
6796 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
6800 MONO_ARCH_SAVE_REGS;
6802 WRITE_UNALIGNED(gint64, p + offset, val);
6806 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
6808 MONO_ARCH_SAVE_REGS;
6813 return mono_string_new (mono_domain_get (), ptr);
6817 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
6819 MONO_ARCH_SAVE_REGS;
6822 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6823 g_assert_not_reached ();
6826 return mono_string_new_len (mono_domain_get (), ptr, len);
6830 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
6832 MonoDomain *domain = mono_domain_get ();
6836 MONO_ARCH_SAVE_REGS;
6844 return mono_string_new_utf16 (domain, ptr, len);
6848 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
6850 MonoDomain *domain = mono_domain_get ();
6852 MONO_ARCH_SAVE_REGS;
6855 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6856 g_assert_not_reached ();
6859 return mono_string_new_utf16 (domain, ptr, len);
6863 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
6865 MONO_ARCH_SAVE_REGS;
6867 g_warning ("PtrToStringBSTR not implemented");
6868 g_assert_not_reached ();
6874 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
6876 MONO_ARCH_SAVE_REGS;
6878 return ((guint32)TlsGetValue (last_error_tls_id));
6882 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
6888 MONO_ARCH_SAVE_REGS;
6890 MONO_CHECK_ARG_NULL (rtype);
6893 klass = mono_class_from_mono_type (type);
6894 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
6896 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6900 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
6901 exc = mono_get_exception_argument ("t", msg);
6903 mono_raise_exception (exc);
6907 return mono_class_native_size (klass, NULL);
6911 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
6916 MONO_ARCH_SAVE_REGS;
6918 MONO_CHECK_ARG_NULL (obj);
6919 MONO_CHECK_ARG_NULL (dst);
6921 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
6925 pa [2] = &delete_old;
6927 mono_runtime_invoke (method, NULL, pa, NULL);
6931 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
6936 MONO_ARCH_SAVE_REGS;
6938 MONO_CHECK_ARG_NULL (src);
6939 MONO_CHECK_ARG_NULL (dst);
6941 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
6946 mono_runtime_invoke (method, NULL, pa, NULL);
6950 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
6952 MonoDomain *domain = mono_domain_get ();
6955 MONO_ARCH_SAVE_REGS;
6957 MONO_CHECK_ARG_NULL (src);
6958 MONO_CHECK_ARG_NULL (type);
6960 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
6962 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
6968 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
6970 MonoMarshalType *info;
6973 int i, match_index = -1;
6975 MONO_ARCH_SAVE_REGS;
6977 MONO_CHECK_ARG_NULL (type);
6978 MONO_CHECK_ARG_NULL (field_name);
6980 fname = mono_string_to_utf8 (field_name);
6981 klass = mono_class_from_mono_type (type->type);
6983 while (klass && match_index == -1) {
6984 for (i = 0; i < klass->field.count; ++i) {
6985 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
6991 if (match_index == -1)
6992 klass = klass->parent;
6997 if(match_index == -1) {
7001 /* Get back original class instance */
7002 klass = mono_class_from_mono_type (type->type);
7004 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7005 exc = mono_get_exception_argument ("fieldName", tmp);
7008 mono_raise_exception ((MonoException*)exc);
7011 info = mono_marshal_load_type_info (klass);
7012 return info->fields [match_index].offset;
7016 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7018 MONO_ARCH_SAVE_REGS;
7020 return mono_string_to_utf8 (string);
7024 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7026 MONO_ARCH_SAVE_REGS;
7031 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7035 mono_struct_delete_old (MonoClass *klass, char *ptr)
7037 MonoMarshalType *info;
7040 info = mono_marshal_load_type_info (klass);
7042 for (i = 0; i < info->num_fields; i++) {
7043 MonoMarshalNative ntype;
7044 MonoMarshalConv conv;
7045 MonoType *ftype = info->fields [i].field->type;
7048 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7051 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7052 klass->unicode, &conv);
7054 cpos = ptr + info->fields [i].offset;
7057 case MONO_MARSHAL_CONV_NONE:
7058 if (MONO_TYPE_ISSTRUCT (ftype)) {
7059 mono_struct_delete_old (ftype->data.klass, cpos);
7063 case MONO_MARSHAL_CONV_STR_LPWSTR:
7064 case MONO_MARSHAL_CONV_STR_LPSTR:
7065 case MONO_MARSHAL_CONV_STR_LPTSTR:
7066 case MONO_MARSHAL_CONV_STR_BSTR:
7067 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7068 case MONO_MARSHAL_CONV_STR_TBSTR:
7069 mono_marshal_free (*(gpointer *)cpos);
7078 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7082 MONO_ARCH_SAVE_REGS;
7084 MONO_CHECK_ARG_NULL (src);
7085 MONO_CHECK_ARG_NULL (type);
7087 klass = mono_class_from_mono_type (type->type);
7089 mono_struct_delete_old (klass, (char *)src);
7093 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7095 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7099 MONO_ARCH_SAVE_REGS;
7101 if ((gulong)size == 0)
7102 /* This returns a valid pointer for size 0 on MS.NET */
7105 res = g_try_malloc ((gulong)size);
7107 mono_gc_out_of_memory ((gulong)size);
7113 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7115 MONO_ARCH_SAVE_REGS;
7121 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7123 MONO_ARCH_SAVE_REGS;
7125 #ifdef PLATFORM_WIN32
7126 return CoTaskMemAlloc (size);
7128 return g_try_malloc ((gulong)size);
7133 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7135 MONO_ARCH_SAVE_REGS;
7137 #ifdef PLATFORM_WIN32
7138 CoTaskMemFree (ptr);
7145 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7147 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7151 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7153 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7157 mono_marshal_load_type_info (MonoClass* klass)
7159 int i, j, count = 0, native_size = 0, min_align = 1;
7160 MonoMarshalType *info;
7163 g_assert (klass != NULL);
7165 if (klass->marshal_info)
7166 return klass->marshal_info;
7169 mono_class_init (klass);
7171 for (i = 0; i < klass->field.count; ++i) {
7172 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7174 if (mono_field_is_deleted (&klass->fields [i]))
7179 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7181 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7182 info->num_fields = count;
7184 /* Try to find a size for this type in metadata */
7185 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7187 if (klass->parent) {
7188 int parent_size = mono_class_native_size (klass->parent, NULL);
7190 /* Add parent size to real size */
7191 native_size += parent_size;
7192 info->native_size = parent_size;
7195 for (j = i = 0; i < klass->field.count; ++i) {
7198 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7201 if (mono_field_is_deleted (&klass->fields [i]))
7203 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7204 mono_metadata_field_info (klass->image, klass->field.first + i,
7205 NULL, NULL, &info->fields [j].mspec);
7207 info->fields [j].field = &klass->fields [i];
7209 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7210 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
7211 /* This field is a hack inserted by MCS to empty structures */
7216 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7217 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7218 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7219 &align, TRUE, klass->unicode);
7220 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7221 min_align = MAX (align, min_align);
7222 info->fields [j].offset = info->native_size;
7223 info->fields [j].offset += align - 1;
7224 info->fields [j].offset &= ~(align - 1);
7225 info->native_size = info->fields [j].offset + size;
7227 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7228 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7229 &align, TRUE, klass->unicode);
7230 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7231 min_align = MAX (align, min_align);
7232 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
7233 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7239 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7240 info->native_size = MAX (native_size, info->native_size);
7243 if (info->native_size & (min_align - 1)) {
7244 info->native_size += min_align - 1;
7245 info->native_size &= ~(min_align - 1);
7248 /* Update the class's blittable info, if the layouts don't match */
7249 if (info->native_size != mono_class_value_size (klass, NULL))
7250 klass->blittable = FALSE;
7252 /* If this is an array type, ensure that we have element info */
7253 if (klass->element_class) {
7254 mono_marshal_load_type_info (klass->element_class);
7257 return klass->marshal_info;
7261 * mono_class_native_size:
7264 * Returns: the native size of an object instance (when marshaled
7265 * to unmanaged code)
7268 mono_class_native_size (MonoClass *klass, guint32 *align)
7271 if (!klass->marshal_info)
7272 mono_marshal_load_type_info (klass);
7275 *align = klass->min_align;
7277 return klass->marshal_info->native_size;
7281 * mono_type_native_stack_size:
7282 * @t: the type to return the size it uses on the stack
7284 * Returns: the number of bytes required to hold an instance of this
7285 * type on the native stack
7288 mono_type_native_stack_size (MonoType *t, gint *align)
7292 g_assert (t != NULL);
7303 case MONO_TYPE_BOOLEAN:
7304 case MONO_TYPE_CHAR:
7313 case MONO_TYPE_STRING:
7314 case MONO_TYPE_OBJECT:
7315 case MONO_TYPE_CLASS:
7316 case MONO_TYPE_SZARRAY:
7318 case MONO_TYPE_FNPTR:
7319 case MONO_TYPE_ARRAY:
7320 case MONO_TYPE_TYPEDBYREF:
7331 case MONO_TYPE_VALUETYPE: {
7334 if (t->data.klass->enumtype)
7335 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
7337 size = mono_class_native_size (t->data.klass, align);
7338 *align = *align + 3;
7348 g_error ("type 0x%02x unknown", t->type);
7353 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
7354 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
7355 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
7356 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
7359 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
7360 gboolean as_field, gboolean unicode)
7362 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
7365 switch (native_type) {
7366 case MONO_NATIVE_BOOLEAN:
7369 case MONO_NATIVE_I1:
7370 case MONO_NATIVE_U1:
7373 case MONO_NATIVE_I2:
7374 case MONO_NATIVE_U2:
7375 case MONO_NATIVE_VARIANTBOOL:
7378 case MONO_NATIVE_I4:
7379 case MONO_NATIVE_U4:
7380 case MONO_NATIVE_ERROR:
7383 case MONO_NATIVE_I8:
7384 case MONO_NATIVE_U8:
7385 *align = ALIGNMENT(guint64);
7387 case MONO_NATIVE_R4:
7390 case MONO_NATIVE_R8:
7391 *align = ALIGNMENT(double);
7393 case MONO_NATIVE_INT:
7394 case MONO_NATIVE_UINT:
7395 case MONO_NATIVE_LPSTR:
7396 case MONO_NATIVE_LPWSTR:
7397 case MONO_NATIVE_LPTSTR:
7398 case MONO_NATIVE_BSTR:
7399 case MONO_NATIVE_ANSIBSTR:
7400 case MONO_NATIVE_TBSTR:
7401 case MONO_NATIVE_LPARRAY:
7402 case MONO_NATIVE_SAFEARRAY:
7403 case MONO_NATIVE_IUNKNOWN:
7404 case MONO_NATIVE_IDISPATCH:
7405 case MONO_NATIVE_INTERFACE:
7406 case MONO_NATIVE_ASANY:
7407 case MONO_NATIVE_FUNC:
7408 case MONO_NATIVE_LPSTRUCT:
7409 *align = ALIGNMENT(gpointer);
7410 return sizeof (gpointer);
7411 case MONO_NATIVE_STRUCT:
7412 klass = mono_class_from_mono_type (type);
7413 return mono_class_native_size (klass, align);
7414 case MONO_NATIVE_BYVALTSTR: {
7415 int esize = unicode ? 2: 1;
7418 return mspec->data.array_data.num_elem * esize;
7420 case MONO_NATIVE_BYVALARRAY: {
7422 klass = mono_class_from_mono_type (type);
7423 esize = mono_class_native_size (klass->element_class, align);
7425 return mspec->data.array_data.num_elem * esize;
7427 case MONO_NATIVE_CUSTOM:
7428 g_assert_not_reached ();
7430 case MONO_NATIVE_CURRENCY:
7431 case MONO_NATIVE_VBBYREFSTR:
7433 g_error ("native type %02x not implemented", native_type);
7436 g_assert_not_reached ();
7441 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
7449 t = &o->vtable->klass->byval_arg;
7456 case MONO_TYPE_BOOLEAN:
7459 case MONO_TYPE_CHAR:
7464 return mono_object_unbox (o);
7466 case MONO_TYPE_STRING:
7467 switch (string_encoding) {
7468 case MONO_NATIVE_LPWSTR:
7469 return mono_string_to_utf16 ((MonoString*)o);
7471 case MONO_NATIVE_LPSTR:
7472 return mono_string_to_lpstr ((MonoString*)o);
7475 g_warning ("marshaling conversion %d not implemented", string_encoding);
7476 g_assert_not_reached ();
7479 case MONO_TYPE_CLASS:
7480 case MONO_TYPE_VALUETYPE: {
7484 MonoBoolean delete_old = FALSE;
7486 klass = t->data.klass;
7488 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
7491 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7492 klass->blittable || klass->enumtype)
7493 return mono_object_unbox (o);
7495 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
7497 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
7501 pa [2] = &delete_old;
7503 mono_runtime_invoke (method, NULL, pa, NULL);
7509 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
7515 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
7523 t = &o->vtable->klass->byval_arg;
7525 case MONO_TYPE_STRING:
7526 switch (string_encoding) {
7527 case MONO_NATIVE_LPWSTR:
7528 case MONO_NATIVE_LPSTR:
7529 mono_marshal_free (ptr);
7532 g_warning ("marshaling conversion %d not implemented", string_encoding);
7533 g_assert_not_reached ();
7536 case MONO_TYPE_CLASS:
7537 case MONO_TYPE_VALUETYPE: {
7538 klass = t->data.klass;
7540 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7541 klass->blittable || klass->enumtype)
7544 mono_struct_delete_old (klass, ptr);
7546 mono_marshal_free (ptr);