2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include <mono/os/gc_wrapper.h>
30 /* #define DEBUG_RUNTIME_CODE */
32 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
36 MONO_MARSHAL_NONE, /* No marshalling needed */
37 MONO_MARSHAL_COPY, /* Can be copied by value to the new domain */
38 MONO_MARSHAL_COPY_OUT, /* out parameter that needs to be copied back to the original instance */
39 MONO_MARSHAL_SERIALIZE /* Value needs to be serialized into the new domain */
40 } MonoXDomainMarshalType;
43 #include "mono/cil/opcode.def"
48 struct _MonoMethodBuilder {
52 guint32 code_size, pos;
56 struct _MonoRemotingMethods {
58 MonoMethod *invoke_with_check;
59 MonoMethod *xdomain_invoke;
60 MonoMethod *xdomain_dispatch;
63 typedef struct _MonoRemotingMethods MonoRemotingMethods;
66 delegate_hash_table_add (MonoDelegate *d);
69 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
71 #ifdef DEBUG_RUNTIME_CODE
73 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
75 return g_strdup (" ");
78 static MonoDisHelper marshal_dh = {
88 /* This mutex protects the various marshalling related caches in MonoImage */
89 static CRITICAL_SECTION marshal_mutex;
91 /* Maps wrapper methods to the methods they wrap */
92 static GHashTable *wrapper_hash;
94 static guint32 last_error_tls_id;
96 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
97 void * mono_marshal_string_to_utf16 (MonoString *s);
99 static gpointer mono_string_to_lpstr (MonoString *string_obj);
102 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
104 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
106 mono_register_jit_icall (func, name, sig, save);
109 static MonoMethodSignature*
110 signature_no_pinvoke (MonoMethodSignature* sig)
113 sig = mono_metadata_signature_dup (sig);
114 sig->pinvoke = FALSE;
121 mono_marshal_init (void)
123 static gboolean module_initialized = FALSE;
125 if (!module_initialized) {
126 module_initialized = TRUE;
127 InitializeCriticalSection (&marshal_mutex);
128 wrapper_hash = g_hash_table_new (mono_aligned_addr_hash, NULL);
129 last_error_tls_id = TlsAlloc ();
131 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
132 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
133 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
134 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
135 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
136 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
137 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
138 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
139 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
140 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
141 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
142 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
143 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
144 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
145 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
146 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
147 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
148 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
149 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
150 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
151 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
152 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
153 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
154 register_icall (g_free, "g_free", "void ptr", FALSE);
155 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
156 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
161 MonoClass *byte_array_class;
162 static MonoMethod *method_rs_serialize, *method_rs_deserialize, *method_exc_fixexc, *method_rs_appdomain_target;
163 static MonoMethod *method_set_context, *method_get_context, *method_reset_datastore, *method_restore_datastore;
164 static MonoMethod *method_set_call_context, *method_needs_context_sink, *method_rs_serialize_exc;
167 mono_remoting_marshal_init (void)
171 static gboolean module_initialized = FALSE;
173 if (!module_initialized) {
174 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingServices");
175 method_rs_serialize = mono_class_get_method_from_name (klass, "SerializeCallData", -1);
176 method_rs_deserialize = mono_class_get_method_from_name (klass, "DeserializeCallData", -1);
177 method_rs_serialize_exc = mono_class_get_method_from_name (klass, "SerializeExceptionData", -1);
179 klass = mono_defaults.real_proxy_class;
180 method_rs_appdomain_target = mono_class_get_method_from_name (klass, "GetAppDomainTarget", -1);
182 klass = mono_defaults.exception_class;
183 method_exc_fixexc = mono_class_get_method_from_name (klass, "FixRemotingException", -1);
185 klass = mono_defaults.thread_class;
186 method_reset_datastore = mono_class_get_method_from_name (klass, "ResetDataStoreStatus", -1);
187 method_restore_datastore = mono_class_get_method_from_name (klass, "RestoreDataStoreStatus", -1);
188 method_get_context = mono_class_get_method_from_name (klass, "get_CurrentContext", -1);
190 klass = mono_defaults.appdomain_class;
191 method_set_context = mono_class_get_method_from_name (klass, "InternalSetContext", -1);
192 byte_array_class = mono_array_class_get (mono_defaults.byte_class, 1);
194 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Messaging", "CallContext");
195 method_set_call_context = mono_class_get_method_from_name (klass, "SetCurrentCallContext", -1);
197 klass = mono_class_from_name (mono_defaults.corlib, "System.Runtime.Remoting.Contexts", "Context");
198 method_needs_context_sink = mono_class_get_method_from_name (klass, "get_NeedsContextSink", -1);
203 mono_delegate_to_ftnptr (MonoDelegate *delegate)
205 MonoMethod *method, *wrapper, *invoke;
206 MonoMarshalSpec **mspecs;
213 if (delegate->delegate_trampoline)
214 return delegate->delegate_trampoline;
216 klass = ((MonoObject *)delegate)->vtable->klass;
217 g_assert (klass->delegate);
219 method = delegate->method_info->method;
220 invoke = mono_class_get_method_from_name (klass, "Invoke", mono_method_signature (method)->param_count);
222 mspecs = g_new (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
223 mono_method_get_marshal_info (invoke, mspecs);
225 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
227 for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
229 mono_metadata_free_marshal_spec (mspecs [i]);
232 delegate->delegate_trampoline = mono_compile_method (wrapper);
234 // Add the delegate to the delegate hash table
235 delegate_hash_table_add (delegate);
237 return delegate->delegate_trampoline;
240 static GHashTable *delegate_hash_table;
243 delegate_hash_table_new (void) {
244 return g_hash_table_new (NULL, NULL);
248 delegate_hash_table_remove (MonoDelegate *d)
250 EnterCriticalSection (&marshal_mutex);
251 if (delegate_hash_table == NULL)
252 delegate_hash_table = delegate_hash_table_new ();
253 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
254 LeaveCriticalSection (&marshal_mutex);
258 delegate_hash_table_add (MonoDelegate *d)
260 EnterCriticalSection (&marshal_mutex);
261 if (delegate_hash_table == NULL)
262 delegate_hash_table = delegate_hash_table_new ();
263 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
264 LeaveCriticalSection (&marshal_mutex);
268 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
272 EnterCriticalSection (&marshal_mutex);
273 if (delegate_hash_table == NULL)
274 delegate_hash_table = delegate_hash_table_new ();
276 d = g_hash_table_lookup (delegate_hash_table, ftn);
277 LeaveCriticalSection (&marshal_mutex);
279 mono_raise_exception (mono_get_exception_argument (NULL, "Additional information: Function pointer was not created by a delegate."));
284 mono_delegate_free_ftnptr (MonoDelegate *delegate)
289 delegate_hash_table_remove (delegate);
290 ptr2 = delegate->delegate_trampoline;
292 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
293 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
296 if (!delegate->target) {
297 /* The wrapper method is shared between delegates -> no need to free it */
301 mono_runtime_free_method (mono_object_domain (delegate), ji->method);
305 mono_array_to_savearray (MonoArray *array)
310 g_assert_not_reached ();
315 mono_array_to_lparray (MonoArray *array)
320 /* fixme: maybe we need to make a copy */
321 return array->vector;
325 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
327 GError *error = NULL;
337 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
339 if (items_written > mono_stringbuilder_capacity (sb))
340 items_written = mono_stringbuilder_capacity (sb);
343 if (! sb->str || sb->str == sb->cached_str) {
344 sb->str = mono_string_new_size (mono_domain_get (), items_written);
345 sb->cached_str = NULL;
348 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
349 sb->length = items_written;
351 g_error_free (error);
357 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
364 g_assert (mono_string_chars (sb->str) == text);
366 for (len = 0; text [len] != 0; ++len)
373 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
375 GError *error = NULL;
382 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
384 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
386 g_error_free (error);
387 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
390 memcpy (res, tmp, sb->length + 1);
398 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
404 * The sb could have been allocated with the default capacity and be empty.
405 * we need to alloc a buffer of the default capacity in this case.
408 sb->str = mono_string_new_size (mono_domain_get (), mono_stringbuilder_capacity (sb));
410 * The stringbuilder might not have ownership of this string. If this is
411 * the case, we must duplicate the string, so that we don't munge immutable
414 else if (sb->str == sb->cached_str) {
415 sb->str = mono_string_new_utf16 (mono_domain_get (), mono_string_chars (sb->str), mono_stringbuilder_capacity (sb));
416 sb->cached_str = NULL;
419 return mono_string_chars (sb->str);
423 mono_string_to_lpstr (MonoString *s)
425 #ifdef PLATFORM_WIN32
428 GError *error = NULL;
434 as = CoTaskMemAlloc (1);
439 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
441 g_warning (error->message);
442 g_error_free (error);
446 as = CoTaskMemAlloc (len + 1);
447 memcpy (as, tmp, len + 1);
451 return mono_string_to_utf8 (s);
456 mono_string_to_ansibstr (MonoString *string_obj)
458 g_error ("UnmanagedMarshal.BStr is not implemented.");
463 mono_string_to_bstr (MonoString *string_obj)
465 g_error ("UnmanagedMarshal.AnsiBStr is not implemented.");
470 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
475 g_assert (dst != NULL);
478 memset (dst, 0, size);
483 s = mono_string_to_utf8 (src);
484 len = MIN (size, strlen (s));
485 memcpy (dst, s, len);
488 *((char *)dst + size - 1) = 0;
492 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
496 g_assert (dst != NULL);
500 memset (dst, 0, size);
504 len = MIN (size, (mono_string_length (src) * 2));
505 memcpy (dst, mono_string_chars (src), len);
507 *((char *)dst + size - 1) = 0;
508 *((char *)dst + size - 2) = 0;
512 mono_mb_free (MonoMethodBuilder *mb)
514 g_list_free (mb->locals_list);
519 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
521 MonoMethodBuilder *mb;
524 g_assert (klass != NULL);
525 g_assert (name != NULL);
527 mb = g_new0 (MonoMethodBuilder, 1);
529 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
532 m->name = g_strdup (name);
534 m->wrapper_type = type;
537 mb->code = g_malloc (mb->code_size);
543 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
545 int res = mb->locals;
547 g_assert (mb != NULL);
548 g_assert (type != NULL);
550 mb->locals_list = g_list_append (mb->locals_list, type);
557 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
559 MonoMethodHeader *header;
560 MonoMethodWrapper *mw;
564 g_assert (mb != NULL);
566 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
567 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
572 header->max_stack = max_stack;
574 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
575 header->locals [i] = (MonoType *)l->data;
578 mb->method->signature = signature;
579 header->code = mb->code;
580 header->code_size = mb->pos;
581 header->num_locals = mb->locals;
583 mw = (MonoMethodWrapper*) mb->method;
584 i = g_list_length (mw->method_data);
588 l = g_list_reverse (mw->method_data);
589 data = mw->method_data = g_new (gpointer, i + 1);
590 /* store the size in the first element */
591 data [0] = GUINT_TO_POINTER (i);
593 for (tmp = l; tmp; tmp = tmp->next) {
594 data [i++] = tmp->data;
599 static int total_code = 0;
600 static int total_alloc = 0;
601 total_code += mb->pos;
602 total_alloc += mb->code_size;
603 g_print ("code size: %d of %d (allocated: %d)\n", mb->pos, total_code, total_alloc);
606 #ifdef DEBUG_RUNTIME_CODE
607 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
608 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
615 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
617 MonoMethodWrapper *mw;
619 g_assert (mb != NULL);
621 mw = (MonoMethodWrapper *)mb->method;
623 /* one O(n) is enough */
624 mw->method_data = g_list_prepend (mw->method_data, data);
626 return g_list_length (mw->method_data);
630 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
632 mb->code [pos] = value & 0xff;
633 mb->code [pos + 1] = (value >> 8) & 0xff;
634 mb->code [pos + 2] = (value >> 16) & 0xff;
635 mb->code [pos + 3] = (value >> 24) & 0xff;
639 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
641 *((gint8 *)(&mb->code [pos])) = value;
645 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
647 if (mb->pos >= mb->code_size) {
648 mb->code_size += mb->code_size >> 1;
649 mb->code = g_realloc (mb->code, mb->code_size);
652 mb->code [mb->pos++] = op;
656 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
658 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
659 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
662 mono_mb_emit_icon (mb, offset);
663 mono_mb_emit_byte (mb, CEE_ADD);
668 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
671 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
672 mono_mb_emit_byte (mb, CEE_LDIND_I);
673 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
674 mono_mb_emit_byte (mb, CEE_ADD);
675 mono_mb_emit_byte (mb, CEE_LDIND_I);
676 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
677 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
678 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
679 mono_mb_emit_byte (mb, branch_code);
681 mono_mb_emit_i4 (mb, 0);
686 mono_mb_emit_xdomain_check (MonoMethodBuilder *mb, int branch_code)
689 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
690 mono_mb_emit_byte (mb, CEE_LDIND_REF);
691 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
692 mono_mb_emit_byte (mb, CEE_LDIND_I4);
693 mono_mb_emit_icon (mb, -1);
694 mono_mb_emit_byte (mb, branch_code);
696 mono_mb_emit_i4 (mb, 0);
701 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
703 if ((mb->pos + 4) >= mb->code_size) {
704 mb->code_size += mb->code_size >> 1;
705 mb->code = g_realloc (mb->code, mb->code_size);
708 mono_mb_patch_addr (mb, mb->pos, data);
713 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
715 if ((mb->pos + 2) >= mb->code_size) {
716 mb->code_size += mb->code_size >> 1;
717 mb->code = g_realloc (mb->code, mb->code_size);
720 mb->code [mb->pos] = data & 0xff;
721 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
726 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
728 mono_mb_emit_byte (mb, CEE_LDSTR);
729 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
734 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
737 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
738 } else if (argnum < 256) {
739 mono_mb_emit_byte (mb, CEE_LDARG_S);
740 mono_mb_emit_byte (mb, argnum);
742 mono_mb_emit_byte (mb, CEE_PREFIX1);
743 mono_mb_emit_byte (mb, CEE_LDARG);
744 mono_mb_emit_i2 (mb, argnum);
749 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
752 mono_mb_emit_byte (mb, CEE_LDARGA_S);
753 mono_mb_emit_byte (mb, argnum);
755 mono_mb_emit_byte (mb, CEE_PREFIX1);
756 mono_mb_emit_byte (mb, CEE_LDARGA);
757 mono_mb_emit_i2 (mb, argnum);
762 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
765 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
766 mono_mb_emit_byte (mb, locnum);
768 mono_mb_emit_byte (mb, CEE_PREFIX1);
769 mono_mb_emit_byte (mb, CEE_LDLOCA);
770 mono_mb_emit_i2 (mb, locnum);
775 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
778 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
779 } else if (num < 256) {
780 mono_mb_emit_byte (mb, CEE_LDLOC_S);
781 mono_mb_emit_byte (mb, num);
783 mono_mb_emit_byte (mb, CEE_PREFIX1);
784 mono_mb_emit_byte (mb, CEE_LDLOC);
785 mono_mb_emit_i2 (mb, num);
790 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
793 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
794 } else if (num < 256) {
795 mono_mb_emit_byte (mb, CEE_STLOC_S);
796 mono_mb_emit_byte (mb, num);
798 mono_mb_emit_byte (mb, CEE_PREFIX1);
799 mono_mb_emit_byte (mb, CEE_STLOC);
800 mono_mb_emit_i2 (mb, num);
805 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
807 if (value >= -1 && value < 8) {
808 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
809 } else if (value >= -128 && value <= 127) {
810 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
811 mono_mb_emit_byte (mb, value);
813 mono_mb_emit_byte (mb, CEE_LDC_I4);
814 mono_mb_emit_i4 (mb, value);
819 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
822 mono_mb_emit_byte (mb, op);
824 mono_mb_emit_i4 (mb, 0);
829 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
831 mono_mb_emit_byte (mb, CEE_CALLI);
832 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
836 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
838 mono_mb_emit_byte (mb, CEE_CALL);
839 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
843 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
845 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
846 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
847 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
848 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
849 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
850 mono_mb_emit_calli (mb, sig);
851 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
852 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
856 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
858 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
859 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
860 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
864 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
866 /* fixme: we need a better way to throw exception,
867 * supporting several exception types and messages */
868 MonoMethod *ctor = NULL;
870 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
872 mono_class_init (mme);
873 for (i = 0; i < mme->method.count; ++i) {
874 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mono_method_signature (mme->methods [i])->param_count == 0) {
875 ctor = mme->methods [i];
880 mono_mb_emit_byte (mb, CEE_NEWOBJ);
881 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
883 mono_mb_emit_byte (mb, CEE_DUP);
884 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
885 mono_mb_emit_ldstr (mb, (char*)msg);
886 mono_mb_emit_byte (mb, CEE_STIND_I);
888 mono_mb_emit_byte (mb, CEE_THROW);
892 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
894 mono_mb_emit_ldloc (mb, local);
895 mono_mb_emit_icon (mb, incr);
896 mono_mb_emit_byte (mb, CEE_ADD);
897 mono_mb_emit_stloc (mb, local);
901 emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
902 int usize, int msize, MonoMarshalSpec *mspec)
905 case MONO_MARSHAL_CONV_BOOL_I4:
906 mono_mb_emit_byte (mb, CEE_LDLOC_1);
907 mono_mb_emit_byte (mb, CEE_LDLOC_0);
908 mono_mb_emit_byte (mb, CEE_LDIND_I4);
909 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
910 mono_mb_emit_byte (mb, 3);
911 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
912 mono_mb_emit_byte (mb, CEE_BR_S);
913 mono_mb_emit_byte (mb, 1);
914 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
915 mono_mb_emit_byte (mb, CEE_STIND_I1);
917 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
918 mono_mb_emit_byte (mb, CEE_LDLOC_1);
919 mono_mb_emit_byte (mb, CEE_LDLOC_0);
920 mono_mb_emit_byte (mb, CEE_LDIND_I2);
921 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
922 mono_mb_emit_byte (mb, 3);
923 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
924 mono_mb_emit_byte (mb, CEE_BR_S);
925 mono_mb_emit_byte (mb, 1);
926 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
927 mono_mb_emit_byte (mb, CEE_STIND_I1);
929 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
930 MonoClass *eclass = NULL;
933 if (type->type == MONO_TYPE_SZARRAY) {
934 eclass = type->data.klass;
936 g_assert_not_reached ();
939 if (eclass->valuetype)
940 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
942 esize = sizeof (gpointer);
944 /* create a new array */
945 mono_mb_emit_byte (mb, CEE_LDLOC_1);
946 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
947 mono_mb_emit_byte (mb, CEE_NEWARR);
948 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
949 mono_mb_emit_byte (mb, CEE_STIND_I);
951 /* copy the elements */
952 mono_mb_emit_byte (mb, CEE_LDLOC_1);
953 mono_mb_emit_byte (mb, CEE_LDIND_I);
954 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
955 mono_mb_emit_byte (mb, CEE_ADD);
956 mono_mb_emit_byte (mb, CEE_LDLOC_0);
957 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
958 mono_mb_emit_byte (mb, CEE_PREFIX1);
959 mono_mb_emit_byte (mb, CEE_CPBLK);
963 case MONO_MARSHAL_CONV_STR_BYVALSTR:
964 mono_mb_emit_byte (mb, CEE_LDLOC_1);
965 mono_mb_emit_byte (mb, CEE_LDLOC_0);
966 mono_mb_emit_icall (mb, mono_string_new_wrapper);
967 mono_mb_emit_byte (mb, CEE_STIND_I);
969 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
970 mono_mb_emit_byte (mb, CEE_LDLOC_1);
971 mono_mb_emit_byte (mb, CEE_LDLOC_0);
972 mono_mb_emit_icall (mb, mono_string_from_utf16);
973 mono_mb_emit_byte (mb, CEE_STIND_I);
975 case MONO_MARSHAL_CONV_STR_LPTSTR:
976 case MONO_MARSHAL_CONV_STR_LPSTR:
977 mono_mb_emit_byte (mb, CEE_LDLOC_1);
978 mono_mb_emit_byte (mb, CEE_LDLOC_0);
979 mono_mb_emit_byte (mb, CEE_LDIND_I);
980 mono_mb_emit_icall (mb, mono_string_new_wrapper);
981 mono_mb_emit_byte (mb, CEE_STIND_I);
983 case MONO_MARSHAL_CONV_STR_LPWSTR:
984 mono_mb_emit_byte (mb, CEE_LDLOC_1);
985 mono_mb_emit_byte (mb, CEE_LDLOC_0);
986 mono_mb_emit_byte (mb, CEE_LDIND_I);
987 mono_mb_emit_icall (mb, mono_string_from_utf16);
988 mono_mb_emit_byte (mb, CEE_STIND_I);
990 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
991 MonoClass *klass = mono_class_from_mono_type (type);
992 int src_var, dst_var;
994 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
995 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
997 /* *dst = new object */
998 mono_mb_emit_byte (mb, CEE_LDLOC_1);
999 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1000 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
1001 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1002 mono_mb_emit_byte (mb, CEE_STIND_I);
1004 /* save the old src pointer */
1005 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1006 mono_mb_emit_stloc (mb, src_var);
1007 /* save the old dst pointer */
1008 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1009 mono_mb_emit_stloc (mb, dst_var);
1011 /* dst = pointer to newly created object data */
1012 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1013 mono_mb_emit_byte (mb, CEE_LDIND_I);
1014 mono_mb_emit_icon (mb, sizeof (MonoObject));
1015 mono_mb_emit_byte (mb, CEE_ADD);
1016 mono_mb_emit_byte (mb, CEE_STLOC_1);
1018 emit_struct_conv (mb, klass, TRUE);
1020 /* restore the old src pointer */
1021 mono_mb_emit_ldloc (mb, src_var);
1022 mono_mb_emit_byte (mb, CEE_STLOC_0);
1023 /* restore the old dst pointer */
1024 mono_mb_emit_ldloc (mb, dst_var);
1025 mono_mb_emit_byte (mb, CEE_STLOC_1);
1028 case MONO_MARSHAL_CONV_DEL_FTN: {
1029 /* fixme: we never convert functions back to delegates, dont
1030 // know if thats the correct behaviour
1034 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1035 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
1037 case MONO_MARSHAL_CONV_STR_BSTR:
1038 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1039 case MONO_MARSHAL_CONV_STR_TBSTR:
1040 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1042 g_warning ("marshaling conversion %d not implemented", conv);
1043 g_assert_not_reached ();
1048 conv_to_icall (MonoMarshalConv conv)
1051 case MONO_MARSHAL_CONV_STR_LPWSTR:
1052 return mono_marshal_string_to_utf16;
1053 case MONO_MARSHAL_CONV_LPWSTR_STR:
1054 return mono_string_from_utf16;
1055 case MONO_MARSHAL_CONV_LPSTR_STR:
1056 return mono_string_new_wrapper;
1057 case MONO_MARSHAL_CONV_STR_LPTSTR:
1058 case MONO_MARSHAL_CONV_STR_LPSTR:
1059 return mono_string_to_lpstr;
1060 case MONO_MARSHAL_CONV_STR_BSTR:
1061 return mono_string_to_bstr;
1062 case MONO_MARSHAL_CONV_STR_TBSTR:
1063 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1064 return mono_string_to_ansibstr;
1065 case MONO_MARSHAL_CONV_SB_LPSTR:
1066 case MONO_MARSHAL_CONV_SB_LPTSTR:
1067 return mono_string_builder_to_utf8;
1068 case MONO_MARSHAL_CONV_SB_LPWSTR:
1069 return mono_string_builder_to_utf16;
1070 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1071 return mono_array_to_savearray;
1072 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1073 return mono_array_to_lparray;
1074 case MONO_MARSHAL_CONV_DEL_FTN:
1075 return mono_delegate_to_ftnptr;
1076 case MONO_MARSHAL_CONV_FTN_DEL:
1077 return mono_ftnptr_to_delegate;
1078 case MONO_MARSHAL_CONV_LPSTR_SB:
1079 case MONO_MARSHAL_CONV_LPTSTR_SB:
1080 return mono_string_utf8_to_builder;
1081 case MONO_MARSHAL_CONV_LPWSTR_SB:
1082 return mono_string_utf16_to_builder;
1083 case MONO_MARSHAL_FREE_ARRAY:
1084 return mono_marshal_free_array;
1085 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1086 return mono_string_to_byvalstr;
1087 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
1088 return mono_string_to_byvalwstr;
1090 g_assert_not_reached ();
1097 emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
1098 MonoMarshalSpec *mspec)
1103 case MONO_MARSHAL_CONV_BOOL_I4:
1104 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1105 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1106 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1107 mono_mb_emit_byte (mb, CEE_STIND_I4);
1109 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
1110 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1111 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1112 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1113 mono_mb_emit_byte (mb, CEE_NEG);
1114 mono_mb_emit_byte (mb, CEE_STIND_I2);
1116 case MONO_MARSHAL_CONV_STR_LPWSTR:
1117 case MONO_MARSHAL_CONV_STR_LPSTR:
1118 case MONO_MARSHAL_CONV_STR_LPTSTR:
1119 case MONO_MARSHAL_CONV_STR_BSTR:
1120 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
1121 case MONO_MARSHAL_CONV_STR_TBSTR: {
1124 /* free space if free == true */
1125 mono_mb_emit_byte (mb, CEE_LDLOC_2);
1126 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1128 mono_mb_emit_byte (mb, 0);
1129 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1130 mono_mb_emit_byte (mb, CEE_LDIND_I);
1131 mono_mb_emit_icall (mb, g_free);
1132 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1134 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1135 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1136 mono_mb_emit_byte (mb, CEE_LDIND_I);
1137 mono_mb_emit_icall (mb, conv_to_icall (conv));
1138 mono_mb_emit_byte (mb, CEE_STIND_I);
1141 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1142 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1143 case MONO_MARSHAL_CONV_DEL_FTN:
1144 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1145 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1146 mono_mb_emit_byte (mb, CEE_LDIND_I);
1147 mono_mb_emit_icall (mb, conv_to_icall (conv));
1148 mono_mb_emit_byte (mb, CEE_STIND_I);
1150 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1151 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1155 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1156 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1157 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1158 mono_mb_emit_icon (mb, usize);
1159 mono_mb_emit_icall (mb, conv_to_icall (conv));
1162 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1163 MonoClass *eclass = NULL;
1166 if (type->type == MONO_TYPE_SZARRAY) {
1167 eclass = type->data.klass;
1169 g_assert_not_reached ();
1172 if (eclass->valuetype)
1173 esize = mono_class_native_size (eclass, NULL);
1175 esize = sizeof (gpointer);
1180 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1181 mono_mb_emit_byte (mb, CEE_LDIND_I);
1182 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1184 mono_mb_emit_byte (mb, 0);
1186 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1187 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1188 mono_mb_emit_byte (mb, CEE_LDIND_I);
1189 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1190 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1191 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1192 mono_mb_emit_byte (mb, CEE_ADD);
1193 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1194 mono_mb_emit_byte (mb, CEE_PREFIX1);
1195 mono_mb_emit_byte (mb, CEE_CPBLK);
1196 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1199 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1200 int src_var, dst_var;
1202 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1203 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1205 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1206 mono_mb_emit_byte (mb, CEE_LDIND_I);
1207 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1209 mono_mb_emit_byte (mb, 0);
1211 /* save the old src pointer */
1212 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1213 mono_mb_emit_stloc (mb, src_var);
1214 /* save the old dst pointer */
1215 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1216 mono_mb_emit_stloc (mb, dst_var);
1218 /* src = pointer to object data */
1219 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1220 mono_mb_emit_byte (mb, CEE_LDIND_I);
1221 mono_mb_emit_icon (mb, sizeof (MonoObject));
1222 mono_mb_emit_byte (mb, CEE_ADD);
1223 mono_mb_emit_byte (mb, CEE_STLOC_0);
1225 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1227 /* restore the old src pointer */
1228 mono_mb_emit_ldloc (mb, src_var);
1229 mono_mb_emit_byte (mb, CEE_STLOC_0);
1230 /* restore the old dst pointer */
1231 mono_mb_emit_ldloc (mb, dst_var);
1232 mono_mb_emit_byte (mb, CEE_STLOC_1);
1234 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1238 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1239 MonoException *exc = mono_get_exception_not_implemented (msg);
1242 mono_raise_exception (exc);
1248 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1250 MonoMarshalType *info;
1254 emit_struct_conv(mb, klass->parent, to_object);
1256 info = mono_marshal_load_type_info (klass);
1258 if (info->native_size == 0)
1261 if (klass->blittable) {
1262 int msize = mono_class_value_size (klass, NULL);
1263 g_assert (msize == info->native_size);
1264 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1265 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1266 mono_mb_emit_icon (mb, msize);
1267 mono_mb_emit_byte (mb, CEE_PREFIX1);
1268 mono_mb_emit_byte (mb, CEE_CPBLK);
1270 mono_mb_emit_add_to_local (mb, 0, msize);
1271 mono_mb_emit_add_to_local (mb, 1, msize);
1275 for (i = 0; i < info->num_fields; i++) {
1276 MonoMarshalNative ntype;
1277 MonoMarshalConv conv;
1278 MonoType *ftype = info->fields [i].field->type;
1281 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1283 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1286 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1289 msize = klass->instance_size - info->fields [i].field->offset;
1290 usize = info->native_size - info->fields [i].offset;
1292 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1293 usize = info->fields [i + 1].offset - info->fields [i].offset;
1295 if ((msize < 0) || (usize < 0))
1296 /* This happens with GC aware auto layout */
1297 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1299 g_assert ((msize >= 0) && (usize >= 0));
1302 case MONO_MARSHAL_CONV_NONE: {
1305 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1306 ftype->type == MONO_TYPE_U) {
1307 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1308 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1309 mono_mb_emit_byte (mb, CEE_LDIND_I);
1310 mono_mb_emit_byte (mb, CEE_STIND_I);
1319 #if SIZEOF_VOID_P == 4
1322 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1323 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1324 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1325 mono_mb_emit_byte (mb, CEE_STIND_I4);
1329 case MONO_TYPE_BOOLEAN:
1330 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1331 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1332 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1333 mono_mb_emit_byte (mb, CEE_STIND_I1);
1337 case MONO_TYPE_CHAR:
1338 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1339 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1340 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1341 mono_mb_emit_byte (mb, CEE_STIND_I2);
1345 #if SIZEOF_VOID_P == 8
1348 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1349 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1350 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1351 mono_mb_emit_byte (mb, CEE_STIND_I8);
1354 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1355 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1356 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1357 mono_mb_emit_byte (mb, CEE_STIND_R4);
1360 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1361 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1362 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1363 mono_mb_emit_byte (mb, CEE_STIND_R8);
1365 case MONO_TYPE_VALUETYPE:
1366 if (ftype->data.klass->enumtype) {
1367 t = ftype->data.klass->enum_basetype->type;
1370 emit_struct_conv (mb, ftype->data.klass, to_object);
1373 g_warning ("marshaling type %02x not implemented", ftype->type);
1374 g_assert_not_reached ();
1380 emit_ptr_to_object_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1382 emit_object_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1386 mono_mb_emit_add_to_local (mb, 0, usize);
1387 mono_mb_emit_add_to_local (mb, 1, msize);
1389 mono_mb_emit_add_to_local (mb, 0, msize);
1390 mono_mb_emit_add_to_local (mb, 1, usize);
1396 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1398 /* Call DestroyStructure */
1399 /* FIXME: Only do this if needed */
1400 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1401 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
1402 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1403 mono_mb_emit_ldloc (mb, struct_var);
1404 mono_mb_emit_icall (mb, mono_struct_delete_old);
1408 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1412 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1413 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1414 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1415 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1416 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1418 mono_mb_emit_icall (mb, checkpoint_func);
1420 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1424 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1426 if (strstr (mb->method->name, "mono_thread_interruption_checkpoint"))
1429 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1433 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1435 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1438 static MonoAsyncResult *
1439 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1441 MonoMethodMessage *msg;
1442 MonoDelegate *async_callback;
1446 MonoMethod *method = NULL;
1449 g_assert (delegate);
1451 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1453 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1454 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1456 /* If the target is a proxy, make a direct call. Is proxy's work
1457 // to make the call asynchronous.
1459 MonoAsyncResult *ares;
1461 MonoArray *out_args;
1463 method = delegate->method_info->method;
1465 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1466 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1467 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1468 ares->async_delegate = (MonoObject *)delegate;
1469 ares->async_callback = (MonoObject *)async_callback;
1470 msg->async_result = ares;
1471 msg->call_type = CallType_BeginInvoke;
1473 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1478 klass = delegate->object.vtable->klass;
1480 method = mono_get_delegate_invoke (klass);
1481 for (i = 0; i < klass->method.count; ++i) {
1482 if (klass->methods [i]->name[0] == 'B' &&
1483 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1484 method = klass->methods [i];
1489 g_assert (method != NULL);
1491 im = mono_get_delegate_invoke (method->klass);
1492 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1494 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1498 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1500 int i, params_var, tmp_var;
1502 /* allocate local (pointer) *params[] */
1503 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1504 /* allocate local (pointer) tmp */
1505 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1507 /* alloate space on stack to store an array of pointers to the arguments */
1508 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1509 mono_mb_emit_byte (mb, CEE_PREFIX1);
1510 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1511 mono_mb_emit_stloc (mb, params_var);
1514 mono_mb_emit_ldloc (mb, params_var);
1515 mono_mb_emit_stloc (mb, tmp_var);
1517 if (save_this && sig->hasthis) {
1518 mono_mb_emit_ldloc (mb, tmp_var);
1519 mono_mb_emit_ldarg_addr (mb, 0);
1520 mono_mb_emit_byte (mb, CEE_STIND_I);
1521 /* tmp = tmp + sizeof (gpointer) */
1522 if (sig->param_count)
1523 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1527 for (i = 0; i < sig->param_count; i++) {
1528 mono_mb_emit_ldloc (mb, tmp_var);
1529 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1530 mono_mb_emit_byte (mb, CEE_STIND_I);
1531 /* tmp = tmp + sizeof (gpointer) */
1532 if (i < (sig->param_count - 1))
1533 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1540 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1544 GString *res = g_string_new ("");
1547 g_string_append (res, prefix);
1548 g_string_append_c (res, '_');
1551 mono_type_get_desc (res, sig->ret, FALSE);
1553 for (i = 0; i < sig->param_count; ++i) {
1554 g_string_append_c (res, '_');
1555 mono_type_get_desc (res, sig->params [i], FALSE);
1558 g_string_free (res, FALSE);
1563 * mono_marshal_get_string_encoding:
1565 * Return the string encoding which should be used for a given parameter.
1567 static MonoMarshalNative
1568 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1570 /* First try the parameter marshal info */
1572 if (spec->native == MONO_NATIVE_LPARRAY) {
1573 if (spec->data.array_data.elem_type != 0)
1574 return spec->data.array_data.elem_type;
1577 return spec->native;
1581 return MONO_NATIVE_LPSTR;
1583 /* Then try the method level marshal info */
1584 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1585 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1586 return MONO_NATIVE_LPSTR;
1587 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1588 return MONO_NATIVE_LPWSTR;
1589 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1590 return MONO_NATIVE_LPTSTR;
1592 return MONO_NATIVE_LPSTR;
1596 static MonoMarshalConv
1597 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1599 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1602 case MONO_NATIVE_LPWSTR:
1603 return MONO_MARSHAL_CONV_STR_LPWSTR;
1604 case MONO_NATIVE_LPSTR:
1605 return MONO_MARSHAL_CONV_STR_LPSTR;
1606 case MONO_NATIVE_LPTSTR:
1607 return MONO_MARSHAL_CONV_STR_LPTSTR;
1613 static MonoMarshalConv
1614 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1616 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1619 case MONO_NATIVE_LPWSTR:
1620 return MONO_MARSHAL_CONV_SB_LPWSTR;
1622 case MONO_NATIVE_LPSTR:
1623 return MONO_MARSHAL_CONV_SB_LPSTR;
1625 case MONO_NATIVE_LPTSTR:
1626 return MONO_MARSHAL_CONV_SB_LPTSTR;
1633 static MonoMarshalConv
1634 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1636 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1641 case MONO_NATIVE_LPWSTR:
1643 * mono_string_builder_to_utf16 does not allocate a
1644 * new buffer, so no need to free it.
1647 return MONO_MARSHAL_CONV_LPWSTR_SB;
1648 case MONO_NATIVE_LPSTR:
1649 return MONO_MARSHAL_CONV_LPSTR_SB;
1651 case MONO_NATIVE_LPTSTR:
1652 return MONO_MARSHAL_CONV_LPTSTR_SB;
1660 * Return whenever a field of a native structure or an array member needs to
1664 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1666 MonoMarshalNative encoding;
1667 MonoMarshalConv conv;
1670 case MONO_TYPE_VALUETYPE:
1671 /* FIXME: Optimize this */
1673 case MONO_TYPE_OBJECT:
1674 case MONO_TYPE_CLASS:
1675 if (t->data.klass == mono_defaults.stringbuilder_class) {
1677 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1681 case MONO_TYPE_STRING:
1682 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1683 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1689 static inline MonoMethod*
1690 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1694 EnterCriticalSection (&marshal_mutex);
1695 res = g_hash_table_lookup (cache, key);
1696 LeaveCriticalSection (&marshal_mutex);
1700 /* Create the method from the builder and place it in the cache */
1701 static inline MonoMethod*
1702 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1703 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1708 EnterCriticalSection (&marshal_mutex);
1709 res = g_hash_table_lookup (cache, key);
1711 /* This does not acquire any locks */
1712 res = mono_mb_create_method (mb, sig, max_stack);
1713 g_hash_table_insert (cache, key, res);
1714 g_hash_table_insert (wrapper_hash, res, key);
1716 LeaveCriticalSection (&marshal_mutex);
1722 static inline MonoMethod*
1723 mono_marshal_remoting_find_in_cache (MonoMethod *method, int wrapper_type)
1725 MonoMethod *res = NULL;
1726 MonoRemotingMethods *wrps;
1728 EnterCriticalSection (&marshal_mutex);
1729 wrps = g_hash_table_lookup (method->klass->image->remoting_invoke_cache, method);
1732 switch (wrapper_type) {
1733 case MONO_WRAPPER_REMOTING_INVOKE: res = wrps->invoke; break;
1734 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = wrps->invoke_with_check; break;
1735 case MONO_WRAPPER_XDOMAIN_INVOKE: res = wrps->xdomain_invoke; break;
1736 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = wrps->xdomain_dispatch; break;
1740 LeaveCriticalSection (&marshal_mutex);
1744 /* Create the method from the builder and place it in the cache */
1745 static inline MonoMethod*
1746 mono_remoting_mb_create_and_cache (MonoMethod *key, MonoMethodBuilder *mb,
1747 MonoMethodSignature *sig, int max_stack)
1749 MonoMethod **res = NULL;
1750 MonoRemotingMethods *wrps;
1751 GHashTable *cache = key->klass->image->remoting_invoke_cache;
1753 EnterCriticalSection (&marshal_mutex);
1754 wrps = g_hash_table_lookup (cache, key);
1756 wrps = g_new0 (MonoRemotingMethods, 1);
1757 g_hash_table_insert (cache, key, wrps);
1760 switch (mb->method->wrapper_type) {
1761 case MONO_WRAPPER_REMOTING_INVOKE: res = &wrps->invoke; break;
1762 case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK: res = &wrps->invoke_with_check; break;
1763 case MONO_WRAPPER_XDOMAIN_INVOKE: res = &wrps->xdomain_invoke; break;
1764 case MONO_WRAPPER_XDOMAIN_DISPATCH: res = &wrps->xdomain_dispatch; break;
1765 default: g_assert_not_reached (); break;
1769 /* This does not acquire any locks */
1770 *res = mono_mb_create_method (mb, sig, max_stack);
1771 g_hash_table_insert (wrapper_hash, *res, key);
1774 LeaveCriticalSection (&marshal_mutex);
1780 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1784 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1787 EnterCriticalSection (&marshal_mutex);
1788 res = g_hash_table_lookup (wrapper_hash, wrapper);
1789 LeaveCriticalSection (&marshal_mutex);
1794 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1796 MonoMethodSignature *sig;
1797 static MonoMethodSignature *csig = NULL;
1798 MonoMethodBuilder *mb;
1804 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1805 !strcmp (method->name, "BeginInvoke"));
1807 sig = signature_no_pinvoke (mono_method_signature (method));
1809 cache = method->klass->image->delegate_begin_invoke_cache;
1810 if ((res = mono_marshal_find_in_cache (cache, sig)))
1813 g_assert (sig->hasthis);
1816 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1818 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1819 csig->ret = &mono_defaults.object_class->byval_arg;
1820 csig->params [0] = &mono_defaults.object_class->byval_arg;
1821 csig->params [1] = &mono_defaults.int_class->byval_arg;
1824 name = mono_signature_to_name (sig, "begin_invoke");
1825 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1828 mb->method->save_lmf = 1;
1830 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1832 mono_mb_emit_ldarg (mb, 0);
1833 mono_mb_emit_ldloc (mb, params_var);
1834 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1835 emit_thread_interrupt_checkpoint (mb);
1836 mono_mb_emit_byte (mb, CEE_RET);
1838 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1844 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1846 MonoDomain *domain = mono_domain_get ();
1847 MonoAsyncResult *ares;
1848 MonoMethod *method = NULL;
1849 MonoMethodSignature *sig;
1850 MonoMethodMessage *msg;
1851 MonoObject *res, *exc;
1852 MonoArray *out_args;
1856 g_assert (delegate);
1858 if (!delegate->method_info || !delegate->method_info->method)
1859 g_assert_not_reached ();
1861 klass = delegate->object.vtable->klass;
1863 for (i = 0; i < klass->method.count; ++i) {
1864 if (klass->methods [i]->name[0] == 'E' &&
1865 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1866 method = klass->methods [i];
1871 g_assert (method != NULL);
1873 sig = signature_no_pinvoke (mono_method_signature (method));
1875 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1877 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1880 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1881 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1882 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1883 mono_message_init (domain, msg, delegate->method_info, NULL);
1884 msg->call_type = CallType_EndInvoke;
1885 msg->async_result = ares;
1886 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1889 res = mono_thread_pool_finish (ares, &out_args, &exc);
1892 if (((MonoException*)exc)->stack_trace) {
1893 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1895 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1897 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1900 mono_raise_exception ((MonoException*)exc);
1903 mono_method_return_message_restore (method, params, out_args);
1908 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1910 if (return_type->byref)
1911 return_type = &mono_defaults.int_class->byval_arg;
1912 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1913 return_type = return_type->data.klass->enum_basetype;
1915 switch (return_type->type) {
1916 case MONO_TYPE_VOID:
1917 g_assert_not_reached ();
1920 case MONO_TYPE_STRING:
1921 case MONO_TYPE_CLASS:
1922 case MONO_TYPE_OBJECT:
1923 case MONO_TYPE_ARRAY:
1924 case MONO_TYPE_SZARRAY:
1928 case MONO_TYPE_BOOLEAN:
1929 mono_mb_emit_byte (mb, CEE_UNBOX);
1930 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1931 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1934 mono_mb_emit_byte (mb, CEE_UNBOX);
1935 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1936 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1939 case MONO_TYPE_CHAR:
1940 mono_mb_emit_byte (mb, CEE_UNBOX);
1941 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1942 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1945 mono_mb_emit_byte (mb, CEE_UNBOX);
1946 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1947 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1951 mono_mb_emit_byte (mb, CEE_UNBOX);
1952 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1953 mono_mb_emit_byte (mb, CEE_LDIND_I);
1956 mono_mb_emit_byte (mb, CEE_UNBOX);
1957 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1958 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1961 mono_mb_emit_byte (mb, CEE_UNBOX);
1962 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1963 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1967 mono_mb_emit_byte (mb, CEE_UNBOX);
1968 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1969 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1972 mono_mb_emit_byte (mb, CEE_UNBOX);
1973 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1974 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1977 mono_mb_emit_byte (mb, CEE_UNBOX);
1978 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1979 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1981 case MONO_TYPE_VALUETYPE: {
1983 mono_mb_emit_byte (mb, CEE_UNBOX);
1984 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1985 mono_mb_emit_i4 (mb, class);
1986 mono_mb_emit_byte (mb, CEE_LDOBJ);
1987 mono_mb_emit_i4 (mb, class);
1991 g_warning ("type 0x%x not handled", return_type->type);
1992 g_assert_not_reached ();
1995 mono_mb_emit_byte (mb, CEE_RET);
1999 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
2001 MonoMethodSignature *sig;
2002 static MonoMethodSignature *csig = NULL;
2003 MonoMethodBuilder *mb;
2009 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2010 !strcmp (method->name, "EndInvoke"));
2012 sig = signature_no_pinvoke (mono_method_signature (method));
2014 cache = method->klass->image->delegate_end_invoke_cache;
2015 if ((res = mono_marshal_find_in_cache (cache, sig)))
2018 g_assert (sig->hasthis);
2021 csig = mono_metadata_signature_alloc (method->klass->image, 2);
2023 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
2024 csig->ret = &mono_defaults.object_class->byval_arg;
2025 csig->params [0] = &mono_defaults.object_class->byval_arg;
2026 csig->params [1] = &mono_defaults.int_class->byval_arg;
2029 name = mono_signature_to_name (sig, "end_invoke");
2030 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
2033 mb->method->save_lmf = 1;
2035 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
2037 mono_mb_emit_ldarg (mb, 0);
2038 mono_mb_emit_ldloc (mb, params_var);
2039 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
2040 emit_thread_interrupt_checkpoint (mb);
2042 if (sig->ret->type == MONO_TYPE_VOID) {
2043 mono_mb_emit_byte (mb, CEE_POP);
2044 mono_mb_emit_byte (mb, CEE_RET);
2046 mono_mb_emit_restore_result (mb, sig->ret);
2048 res = mono_mb_create_and_cache (cache, sig,
2049 mb, sig, sig->param_count + 16);
2056 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
2058 MonoMethodMessage *msg;
2059 MonoTransparentProxy *this;
2060 MonoObject *res, *exc;
2061 MonoArray *out_args;
2063 this = *((MonoTransparentProxy **)params [0]);
2066 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
2068 /* skip the this pointer */
2071 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
2074 MonoMethodSignature *sig = mono_method_signature (method);
2075 int count = sig->param_count;
2076 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
2078 for (i=0; i<count; i++) {
2079 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
2080 if (class->valuetype) {
2081 if (sig->params [i]->byref)
2082 mparams[i] = *((gpointer *)params [i]);
2084 mparams[i] = params [i];
2086 mparams[i] = *((gpointer**)params [i]);
2090 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
2093 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
2095 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
2098 mono_raise_exception ((MonoException *)exc);
2100 mono_method_return_message_restore (method, params, out_args);
2106 mono_marshal_get_remoting_invoke (MonoMethod *method)
2108 MonoMethodSignature *sig;
2109 static MonoMethodSignature *csig = NULL;
2110 MonoMethodBuilder *mb;
2116 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2119 sig = signature_no_pinvoke (mono_method_signature (method));
2121 /* we cant remote methods without this pointer */
2125 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE)))
2129 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2130 csig->params [0] = &mono_defaults.int_class->byval_arg;
2131 csig->params [1] = &mono_defaults.int_class->byval_arg;
2132 csig->ret = &mono_defaults.object_class->byval_arg;
2136 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
2137 mb->method->save_lmf = 1;
2139 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
2141 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2142 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2143 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2144 mono_mb_emit_ldloc (mb, params_var);
2145 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
2146 emit_thread_interrupt_checkpoint (mb);
2148 if (sig->ret->type == MONO_TYPE_VOID) {
2149 mono_mb_emit_byte (mb, CEE_POP);
2150 mono_mb_emit_byte (mb, CEE_RET);
2152 mono_mb_emit_restore_result (mb, sig->ret);
2155 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
2161 /* mono_get_xdomain_marshal_type()
2162 * Returns the kind of marshalling that a type needs for cross domain calls.
2164 static MonoXDomainMarshalType
2165 mono_get_xdomain_marshal_type (MonoType *t)
2168 case MONO_TYPE_VOID:
2169 g_assert_not_reached ();
2173 case MONO_TYPE_BOOLEAN:
2176 case MONO_TYPE_CHAR:
2183 return MONO_MARSHAL_NONE;
2184 case MONO_TYPE_STRING:
2185 return MONO_MARSHAL_COPY;
2186 case MONO_TYPE_ARRAY:
2187 case MONO_TYPE_SZARRAY: {
2188 MonoClass *elem_class = mono_class_from_mono_type (t)->element_class;
2189 if (mono_get_xdomain_marshal_type (&(elem_class->byval_arg)) != MONO_MARSHAL_SERIALIZE)
2190 return MONO_MARSHAL_COPY;
2195 if (mono_class_from_mono_type (t) == mono_defaults.stringbuilder_class)
2196 return MONO_MARSHAL_COPY;
2198 return MONO_MARSHAL_SERIALIZE;
2202 /* mono_marshal_xdomain_copy_value
2203 * Makes a copy of "val" suitable for the current domain.
2206 mono_marshal_xdomain_copy_value (MonoObject *val)
2209 if (val == NULL) return NULL;
2211 domain = mono_domain_get ();
2213 switch (mono_object_class (val)->byval_arg.type) {
2214 case MONO_TYPE_VOID:
2215 g_assert_not_reached ();
2219 case MONO_TYPE_BOOLEAN:
2222 case MONO_TYPE_CHAR:
2228 case MONO_TYPE_R8: {
2229 return mono_value_box (domain, mono_object_class (val), ((char*)val) + sizeof(MonoObject));
2231 case MONO_TYPE_STRING: {
2232 MonoString *str = (MonoString *) val;
2233 return (MonoObject *) mono_string_new_utf16 (domain, mono_string_chars (str), mono_string_length (str));
2235 case MONO_TYPE_ARRAY:
2236 case MONO_TYPE_SZARRAY: {
2238 MonoXDomainMarshalType mt = mono_get_xdomain_marshal_type (&(mono_object_class (val)->element_class->byval_arg));
2239 if (mt == MONO_MARSHAL_SERIALIZE) return NULL;
2240 acopy = mono_array_clone_in_domain (domain, (MonoArray *) val);
2241 if (mt == MONO_MARSHAL_COPY) {
2242 int i, len = mono_array_length (acopy);
2243 for (i = 0; i < len; i++) {
2244 MonoObject *item = mono_array_get (acopy, gpointer, i);
2245 mono_array_set (acopy, gpointer, i, mono_marshal_xdomain_copy_value (item));
2248 return (MonoObject *) acopy;
2252 if (mono_object_class (val) == mono_defaults.stringbuilder_class) {
2253 MonoStringBuilder *oldsb = (MonoStringBuilder *) val;
2254 MonoStringBuilder *newsb = (MonoStringBuilder *) mono_object_new (domain, mono_defaults.stringbuilder_class);
2255 newsb->str = mono_string_new_utf16 (domain, mono_string_chars (oldsb->str), mono_string_length (oldsb->str));
2256 newsb->length = oldsb->length;
2257 newsb->max_capacity = (gint32)0x7fffffff;
2258 return (MonoObject *) newsb;
2263 /* mono_marshal_xdomain_copy_out_value()
2264 * Copies the contents of the src instance into the dst instance. src and dst
2265 * must have the same type, and if they are arrays, the same size.
2268 mono_marshal_xdomain_copy_out_value (MonoObject *src, MonoObject *dst)
2270 if (src == NULL || dst == NULL) return;
2272 g_assert (mono_object_class (src) == mono_object_class (dst));
2274 switch (mono_object_class (src)->byval_arg.type) {
2275 case MONO_TYPE_ARRAY:
2276 case MONO_TYPE_SZARRAY: {
2277 int mt = mono_get_xdomain_marshal_type (&(mono_object_class (src)->element_class->byval_arg));
2278 if (mt == MONO_MARSHAL_SERIALIZE) return;
2279 if (mt == MONO_MARSHAL_COPY) {
2280 int i, len = mono_array_length ((MonoArray *)dst);
2281 for (i = 0; i < len; i++) {
2282 MonoObject *item = mono_array_get ((MonoArray *)src, gpointer, i);
2283 mono_array_set ((MonoArray *)dst, gpointer, i, mono_marshal_xdomain_copy_value (item));
2286 mono_array_full_copy ((MonoArray *)src, (MonoArray *)dst);
2292 if (mono_object_class (src) == mono_defaults.stringbuilder_class) {
2293 MonoStringBuilder *src_sb = (MonoStringBuilder *) src;
2294 MonoStringBuilder *dst_sb = (MonoStringBuilder *) dst;
2296 dst_sb->str = mono_string_new_utf16 (mono_object_domain (dst), mono_string_chars (src_sb->str), mono_string_length (src_sb->str));
2297 dst_sb->length = src_sb->length;
2302 mono_marshal_emit_xdomain_copy_value (MonoMethodBuilder *mb, MonoClass *pclass)
2304 static MonoMethodSignature *csig = NULL;
2306 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2307 csig->params [0] = &mono_defaults.object_class->byval_arg;
2308 csig->ret = &mono_defaults.object_class->byval_arg;
2312 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_value);
2313 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2314 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2318 mono_marshal_emit_xdomain_copy_out_value (MonoMethodBuilder *mb, MonoClass *pclass)
2320 static MonoMethodSignature *csig = NULL;
2322 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2323 csig->params [0] = &mono_defaults.object_class->byval_arg;
2324 csig->params [1] = &mono_defaults.object_class->byval_arg;
2325 csig->ret = &mono_defaults.void_class->byval_arg;
2329 mono_mb_emit_native_call (mb, csig, mono_marshal_xdomain_copy_out_value);
2332 /* mono_marshal_supports_fast_xdomain()
2333 * Returns TRUE if the method can use the fast xdomain wrapper.
2336 mono_marshal_supports_fast_xdomain (MonoMethod *method)
2338 return !method->klass->contextbound &&
2339 !((method->flags & METHOD_ATTRIBUTE_SPECIAL_NAME) && (strcmp (".ctor", method->name) == 0));
2343 mono_marshal_set_domain_by_id (gint32 id, MonoBoolean push)
2345 MonoDomain *current_domain = mono_domain_get ();
2346 MonoDomain *domain = mono_domain_get_by_id (id);
2348 if (!domain || !mono_domain_set (domain, FALSE))
2349 mono_raise_exception (mono_get_exception_appdomain_unloaded ());
2352 mono_thread_push_appdomain_ref (domain);
2354 mono_thread_pop_appdomain_ref ();
2356 return current_domain->domain_id;
2360 mono_marshal_emit_switch_domain (MonoMethodBuilder *mb)
2362 static MonoMethodSignature *csig = NULL;
2364 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
2365 csig->params [0] = &mono_defaults.int32_class->byval_arg;
2366 csig->params [1] = &mono_defaults.int32_class->byval_arg;
2367 csig->ret = &mono_defaults.int32_class->byval_arg;
2371 mono_mb_emit_native_call (mb, csig, mono_marshal_set_domain_by_id);
2374 /* mono_marshal_emit_load_domain_method ()
2375 * Loads into the stack a pointer to the code of the provided method for
2376 * the current domain.
2379 mono_marshal_emit_load_domain_method (MonoMethodBuilder *mb, MonoMethod *method)
2381 static MonoMethodSignature *csig = NULL;
2383 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2384 csig->params [0] = &mono_defaults.int_class->byval_arg;
2385 csig->ret = &mono_defaults.int_class->byval_arg;
2389 /* We need a pointer to the method for the running domain (not the domain
2390 * that compiles the method).
2392 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2393 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2394 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
2395 mono_mb_emit_native_call (mb, csig, mono_compile_method);
2398 /* mono_marshal_get_xappdomain_dispatch ()
2399 * Generates a method that dispatches a method call from another domain into
2400 * the current domain.
2403 mono_marshal_get_xappdomain_dispatch (MonoMethod *method, int *marshal_types, int complex_count, int complex_out_count, int ret_marshal_type)
2405 MonoMethodSignature *sig, *csig;
2406 MonoMethodBuilder *mb;
2408 int i, j, param_index, copy_locals_base;
2409 MonoClass *ret_class = NULL;
2410 int loc_array=0, loc_return=0, loc_serialized_exc=0;
2411 MonoExceptionClause *main_clause;
2412 MonoMethodHeader *header;
2414 gboolean copy_return;
2416 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_DISPATCH)))
2419 sig = mono_method_signature (method);
2420 copy_return = (sig->ret->type != MONO_TYPE_VOID && ret_marshal_type != MONO_MARSHAL_SERIALIZE);
2423 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3 + sig->param_count - complex_count);
2424 csig->params [j++] = &mono_defaults.object_class->byval_arg;
2425 csig->params [j++] = &byte_array_class->this_arg;
2426 csig->params [j++] = &byte_array_class->this_arg;
2427 for (i = 0; i < sig->param_count; i++) {
2428 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE)
2429 csig->params [j++] = sig->params [i];
2432 csig->ret = sig->ret;
2434 csig->ret = &mono_defaults.void_class->byval_arg;
2436 csig->hasthis = FALSE;
2438 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_DISPATCH);
2439 mb->method->save_lmf = 1;
2443 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2444 if (complex_count > 0)
2445 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2446 if (sig->ret->type != MONO_TYPE_VOID) {
2447 loc_return = mono_mb_add_local (mb, sig->ret);
2448 ret_class = mono_class_from_mono_type (sig->ret);
2453 main_clause = g_new0 (MonoExceptionClause, 1);
2454 main_clause->try_offset = mb->pos;
2456 /* Clean the call context */
2458 mono_mb_emit_byte (mb, CEE_LDNULL);
2459 mono_mb_emit_managed_call (mb, method_set_call_context, NULL);
2460 mono_mb_emit_byte (mb, CEE_POP);
2462 /* Deserialize call data */
2464 mono_mb_emit_ldarg (mb, 1);
2465 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2466 mono_mb_emit_byte (mb, CEE_DUP);
2467 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2469 mono_mb_emit_byte (mb, 0);
2471 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2472 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2474 if (complex_count > 0)
2475 mono_mb_emit_stloc (mb, loc_array);
2477 mono_mb_emit_byte (mb, CEE_POP);
2479 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2481 /* Get the target object */
2483 mono_mb_emit_ldarg (mb, 0);
2484 mono_mb_emit_managed_call (mb, method_rs_appdomain_target, NULL);
2486 /* Load the arguments */
2488 copy_locals_base = mb->locals;
2489 param_index = 3; // Index of the first non-serialized parameter of this wrapper
2491 for (i = 0; i < sig->param_count; i++) {
2492 MonoType *pt = sig->params [i];
2493 MonoClass *pclass = mono_class_from_mono_type (pt);
2494 switch (marshal_types [i]) {
2495 case MONO_MARSHAL_SERIALIZE: {
2496 /* take the value from the serialized array */
2497 mono_mb_emit_ldloc (mb, loc_array);
2498 mono_mb_emit_icon (mb, j++);
2500 if (pclass->valuetype) {
2501 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2502 mono_mb_emit_byte (mb, CEE_UNBOX);
2503 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2505 mono_mb_emit_byte (mb, CEE_LDELEMA);
2506 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2509 if (pclass->valuetype) {
2510 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2511 mono_mb_emit_byte (mb, CEE_UNBOX);
2512 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2513 mono_mb_emit_byte (mb, CEE_LDOBJ);
2514 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2516 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2517 if (pclass != mono_defaults.object_class) {
2518 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2519 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2525 case MONO_MARSHAL_COPY_OUT: {
2526 /* Keep a local copy of the value since we need to copy it back after the call */
2527 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2528 mono_mb_emit_ldarg (mb, param_index++);
2529 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2530 mono_mb_emit_byte (mb, CEE_DUP);
2531 mono_mb_emit_stloc (mb, copy_local);
2534 case MONO_MARSHAL_COPY: {
2535 mono_mb_emit_ldarg (mb, param_index);
2537 mono_mb_emit_byte (mb, CEE_DUP);
2538 mono_mb_emit_byte (mb, CEE_DUP);
2539 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2540 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2541 mono_mb_emit_byte (mb, CEE_STIND_REF);
2543 mono_marshal_emit_xdomain_copy_value (mb, pclass);
2548 case MONO_MARSHAL_NONE:
2549 mono_mb_emit_ldarg (mb, param_index++);
2554 /* Make the call to the real object */
2556 emit_thread_force_interrupt_checkpoint (mb);
2557 mono_mb_emit_managed_call (mb, method, NULL);
2559 if (sig->ret->type != MONO_TYPE_VOID)
2560 mono_mb_emit_stloc (mb, loc_return);
2562 /* copy back MONO_MARSHAL_COPY_OUT parameters */
2566 for (i = 0; i < sig->param_count; i++) {
2567 if (marshal_types [i] == MONO_MARSHAL_SERIALIZE) continue;
2568 if (marshal_types [i] == MONO_MARSHAL_COPY_OUT) {
2569 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2570 mono_mb_emit_ldarg (mb, param_index);
2571 mono_marshal_emit_xdomain_copy_out_value (mb, mono_class_from_mono_type (sig->params [i]));
2576 /* Serialize the return values */
2578 if (complex_out_count > 0) {
2579 /* Reset parameters in the array that don't need to be serialized back */
2581 for (i = 0; i < sig->param_count; i++) {
2582 if (marshal_types[i] != MONO_MARSHAL_SERIALIZE) continue;
2583 if (!sig->params [i]->byref) {
2584 mono_mb_emit_ldloc (mb, loc_array);
2585 mono_mb_emit_icon (mb, j);
2586 mono_mb_emit_byte (mb, CEE_LDNULL);
2587 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2592 /* Add the return value to the array */
2594 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2595 mono_mb_emit_ldloc (mb, loc_array);
2596 mono_mb_emit_icon (mb, complex_count); /* The array has an additional slot to hold the ret value */
2597 mono_mb_emit_ldloc (mb, loc_return);
2598 if (ret_class->valuetype) {
2599 mono_mb_emit_byte (mb, CEE_BOX);
2600 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2602 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2607 mono_mb_emit_ldarg (mb, 1);
2608 mono_mb_emit_ldloc (mb, loc_array);
2609 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2610 mono_mb_emit_byte (mb, CEE_STIND_REF);
2611 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2612 mono_mb_emit_ldarg (mb, 1);
2613 mono_mb_emit_ldloc (mb, loc_return);
2614 if (ret_class->valuetype) {
2615 mono_mb_emit_byte (mb, CEE_BOX);
2616 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2618 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2619 mono_mb_emit_byte (mb, CEE_STIND_REF);
2621 mono_mb_emit_ldarg (mb, 1);
2622 mono_mb_emit_byte (mb, CEE_LDNULL);
2623 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2624 mono_mb_emit_byte (mb, CEE_STIND_REF);
2627 mono_mb_emit_ldarg (mb, 2);
2628 mono_mb_emit_byte (mb, CEE_LDNULL);
2629 mono_mb_emit_byte (mb, CEE_STIND_REF);
2630 mono_mb_emit_byte (mb, CEE_LEAVE);
2631 pos_leave = mb->pos;
2632 mono_mb_emit_i4 (mb, 0);
2634 /* Main exception catch */
2635 main_clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
2636 main_clause->try_len = mb->pos - main_clause->try_offset;
2637 main_clause->data.catch_class = mono_defaults.object_class;
2640 main_clause->handler_offset = mb->pos;
2641 mono_mb_emit_managed_call (mb, method_rs_serialize_exc, NULL);
2642 mono_mb_emit_stloc (mb, loc_serialized_exc);
2643 mono_mb_emit_ldarg (mb, 2);
2644 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2645 mono_mb_emit_byte (mb, CEE_STIND_REF);
2646 mono_mb_emit_byte (mb, CEE_LEAVE);
2647 mono_mb_emit_i4 (mb, 0);
2648 main_clause->handler_len = mb->pos - main_clause->handler_offset;
2651 mono_mb_patch_addr (mb, pos_leave, mb->pos - (pos_leave + 4));
2654 mono_mb_emit_ldloc (mb, loc_return);
2656 mono_mb_emit_byte (mb, CEE_RET);
2658 res = mono_remoting_mb_create_and_cache (method, mb, csig, csig->param_count + 16);
2661 header = ((MonoMethodNormal *)res)->header;
2662 header->num_clauses = 1;
2663 header->clauses = main_clause;
2668 /* mono_marshal_get_xappdomain_invoke ()
2669 * Generates a fast remoting wrapper for cross app domain calls.
2672 mono_marshal_get_xappdomain_invoke (MonoMethod *method)
2674 MonoMethodSignature *sig;
2675 static MonoMethodSignature *sig_context_get;
2676 static MonoMethodSignature *sig_context_set;
2677 MonoMethodBuilder *mb;
2679 int i, j, complex_count, complex_out_count, copy_locals_base;
2681 MonoClass *ret_class = NULL;
2682 MonoMethod *xdomain_method;
2683 int ret_marshal_type = MONO_MARSHAL_NONE;
2684 int loc_array=0, loc_serialized_data=-1, loc_real_proxy;
2685 int loc_old_domainid, loc_return=0, loc_serialized_exc=0, loc_context, loc_datastore;
2687 gboolean copy_return = FALSE;
2691 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE || method->wrapper_type == MONO_WRAPPER_XDOMAIN_INVOKE)
2694 /* we cant remote methods without this pointer */
2695 if (!mono_method_signature (method)->hasthis)
2698 if (!mono_marshal_supports_fast_xdomain (method))
2699 return mono_marshal_get_remoting_invoke (method);
2701 mono_remoting_marshal_init ();
2703 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_XDOMAIN_INVOKE)))
2706 sig = signature_no_pinvoke (mono_method_signature (method));
2708 if (sig_context_set == NULL) {
2709 sig_context_set = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2710 sig_context_set->params [0] = &mono_defaults.object_class->byval_arg;
2711 sig_context_set->ret = &mono_defaults.void_class->byval_arg;
2712 sig_context_set->pinvoke = 1;
2714 sig_context_get = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2715 sig_context_get->ret = &mono_defaults.object_class->byval_arg;
2716 sig_context_get->pinvoke = 1;
2719 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_XDOMAIN_INVOKE);
2720 mb->method->save_lmf = 1;
2722 /* Count the number of parameters that need to be serialized */
2724 marshal_types = alloca (sizeof (int) * sig->param_count);
2725 complex_count = complex_out_count = 0;
2726 for (i = 0; i < sig->param_count; i++) {
2727 MonoType *ptype = sig->params[i];
2728 int mt = mono_get_xdomain_marshal_type (ptype);
2730 /* If the [Out] attribute is applied to a parameter that can be internally copied,
2731 * the copy will be made by reusing the original object instance
2733 if ((ptype->attrs & PARAM_ATTRIBUTE_OUT) != 0 && mt == MONO_MARSHAL_COPY && !ptype->byref)
2734 mt = MONO_MARSHAL_COPY_OUT;
2735 else if (mt == MONO_MARSHAL_SERIALIZE) {
2737 if (ptype->byref) complex_out_count++;
2739 marshal_types [i] = mt;
2742 if (sig->ret->type != MONO_TYPE_VOID) {
2743 ret_marshal_type = mono_get_xdomain_marshal_type (sig->ret);
2744 ret_class = mono_class_from_mono_type (sig->ret);
2745 copy_return = ret_marshal_type != MONO_MARSHAL_SERIALIZE;
2750 if (complex_count > 0)
2751 loc_array = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2752 loc_serialized_data = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2753 loc_real_proxy = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2755 loc_return = mono_mb_add_local (mb, sig->ret);
2756 loc_old_domainid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
2757 loc_serialized_exc = mono_mb_add_local (mb, &byte_array_class->byval_arg);
2758 loc_context = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2759 loc_datastore = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2761 /* Save thread domain data */
2763 mono_mb_emit_native_call (mb, sig_context_get, mono_context_get);
2764 mono_mb_emit_byte (mb, CEE_DUP);
2765 mono_mb_emit_stloc (mb, loc_context);
2767 /* If the thread is not running in the default context, it needs to go
2768 * through the whole remoting sink, since the context is going to change
2770 mono_mb_emit_managed_call (mb, method_needs_context_sink, NULL);
2771 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2773 mono_mb_emit_byte (mb, 0);
2775 mono_mb_emit_ldarg (mb, 0);
2776 for (i = 0; i < sig->param_count; i++)
2777 mono_mb_emit_ldarg (mb, i + 1);
2779 mono_mb_emit_managed_call (mb, mono_marshal_get_remoting_invoke (method), NULL);
2780 mono_mb_emit_byte (mb, CEE_RET);
2781 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
2783 mono_mb_emit_managed_call (mb, method_reset_datastore, NULL);
2784 mono_mb_emit_stloc (mb, loc_datastore);
2786 /* Create the array that will hold the parameters to be serialized */
2788 if (complex_count > 0) {
2789 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 */
2790 mono_mb_emit_byte (mb, CEE_NEWARR);
2791 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
2794 for (i = 0; i < sig->param_count; i++) {
2795 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2796 MonoClass *pclass = mono_class_from_mono_type (sig->params[i]);
2797 mono_mb_emit_byte (mb, CEE_DUP);
2798 mono_mb_emit_icon (mb, j);
2799 mono_mb_emit_ldarg (mb, i + 1); /* 0=this */
2800 if (sig->params[i]->byref) {
2801 if (pclass->valuetype) {
2802 mono_mb_emit_byte (mb, CEE_LDOBJ);
2803 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2805 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2808 if (pclass->valuetype) {
2809 mono_mb_emit_byte (mb, CEE_BOX);
2810 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2812 mono_mb_emit_byte (mb, CEE_STELEM_REF);
2815 mono_mb_emit_stloc (mb, loc_array);
2817 /* Serialize parameters */
2819 mono_mb_emit_ldloc (mb, loc_array);
2820 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2821 mono_mb_emit_stloc (mb, loc_serialized_data);
2823 mono_mb_emit_byte (mb, CEE_LDNULL);
2824 mono_mb_emit_managed_call (mb, method_rs_serialize, NULL);
2825 mono_mb_emit_stloc (mb, loc_serialized_data);
2828 /* Get the target domain id */
2830 mono_mb_emit_ldarg (mb, 0);
2831 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
2832 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2833 mono_mb_emit_byte (mb, CEE_DUP);
2834 mono_mb_emit_stloc (mb, loc_real_proxy);
2836 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoRealProxy, target_domain_id));
2837 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2838 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
2842 mono_marshal_emit_switch_domain (mb);
2843 mono_mb_emit_stloc (mb, loc_old_domainid);
2845 /* Load the arguments */
2847 mono_mb_emit_ldloc (mb, loc_real_proxy);
2848 mono_mb_emit_ldloc_addr (mb, loc_serialized_data);
2849 mono_mb_emit_ldloc_addr (mb, loc_serialized_exc);
2851 copy_locals_base = mb->locals;
2852 for (i = 0; i < sig->param_count; i++) {
2853 switch (marshal_types [i]) {
2854 case MONO_MARSHAL_SERIALIZE:
2856 case MONO_MARSHAL_COPY: {
2857 mono_mb_emit_ldarg (mb, i+1);
2858 if (sig->params [i]->byref) {
2859 /* make a local copy of the byref parameter. The real parameter
2860 * will be updated after the xdomain call
2862 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2863 int copy_local = mono_mb_add_local (mb, &(pclass->byval_arg));
2864 mono_mb_emit_byte (mb, CEE_LDIND_REF);
2865 mono_mb_emit_stloc (mb, copy_local);
2866 mono_mb_emit_ldloc_addr (mb, copy_local);
2870 case MONO_MARSHAL_COPY_OUT:
2871 case MONO_MARSHAL_NONE:
2872 mono_mb_emit_ldarg (mb, i+1);
2877 /* Make the call to the invoke wrapper in the target domain */
2879 xdomain_method = mono_marshal_get_xappdomain_dispatch (method, marshal_types, complex_count, complex_out_count, ret_marshal_type);
2880 mono_marshal_emit_load_domain_method (mb, xdomain_method);
2881 mono_mb_emit_calli (mb, mono_method_signature (xdomain_method));
2884 mono_mb_emit_stloc (mb, loc_return);
2888 mono_mb_emit_ldloc (mb, loc_old_domainid);
2889 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2890 mono_marshal_emit_switch_domain (mb);
2891 mono_mb_emit_byte (mb, CEE_POP);
2893 /* Restore thread domain data */
2895 mono_mb_emit_ldloc (mb, loc_context);
2896 mono_mb_emit_native_call (mb, sig_context_set, mono_context_set);
2897 mono_mb_emit_ldloc (mb, loc_datastore);
2898 mono_mb_emit_managed_call (mb, method_restore_datastore, NULL);
2900 /* if (loc_serialized_exc != null) ... */
2902 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2903 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2905 mono_mb_emit_byte (mb, 0);
2907 mono_mb_emit_ldloc (mb, loc_serialized_exc);
2908 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2909 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2910 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2911 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.exception_class));
2912 mono_mb_emit_managed_call (mb, method_exc_fixexc, NULL);
2913 mono_mb_emit_byte (mb, CEE_THROW);
2914 mono_mb_patch_addr_s (mb, pos_noex, mb->pos - pos_noex - 1);
2916 /* copy back non-serialized output parameters */
2919 for (i = 0; i < sig->param_count; i++) {
2920 if (!sig->params [i]->byref || marshal_types [i] != MONO_MARSHAL_COPY) continue;
2921 mono_mb_emit_ldarg (mb, i + 1);
2922 mono_mb_emit_ldloc (mb, copy_locals_base + (j++));
2923 mono_marshal_emit_xdomain_copy_value (mb, mono_class_from_mono_type (sig->params [i]));
2924 mono_mb_emit_byte (mb, CEE_STIND_REF);
2927 /* Deserialize out parameters */
2929 if (complex_out_count > 0) {
2930 mono_mb_emit_ldloc (mb, loc_serialized_data);
2931 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2932 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2933 mono_mb_emit_stloc (mb, loc_array);
2935 /* Copy back output parameters and return type */
2938 for (i = 0; i < sig->param_count; i++) {
2939 if (marshal_types [i] != MONO_MARSHAL_SERIALIZE) continue;
2940 if (sig->params[i]->byref) {
2941 MonoClass *pclass = mono_class_from_mono_type (sig->params [i]);
2942 mono_mb_emit_ldarg (mb, i + 1);
2943 mono_mb_emit_ldloc (mb, loc_array);
2944 mono_mb_emit_icon (mb, j);
2945 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2946 if (pclass->valuetype) {
2947 mono_mb_emit_byte (mb, CEE_UNBOX);
2948 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2949 mono_mb_emit_byte (mb, CEE_LDOBJ);
2950 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2951 mono_mb_emit_byte (mb, CEE_STOBJ);
2952 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2954 if (pclass != mono_defaults.object_class) {
2955 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2956 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, pclass));
2958 mono_mb_emit_byte (mb, CEE_STIND_REF);
2964 if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2965 mono_mb_emit_ldloc (mb, loc_array);
2966 mono_mb_emit_icon (mb, complex_count);
2967 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
2968 if (ret_class->valuetype) {
2969 mono_mb_emit_byte (mb, CEE_UNBOX);
2970 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2971 mono_mb_emit_byte (mb, CEE_LDOBJ);
2972 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2975 } else if (ret_marshal_type == MONO_MARSHAL_SERIALIZE) {
2976 mono_mb_emit_ldloc (mb, loc_serialized_data);
2977 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2978 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2979 if (ret_class->valuetype) {
2980 mono_mb_emit_byte (mb, CEE_UNBOX);
2981 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2982 mono_mb_emit_byte (mb, CEE_LDOBJ);
2983 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2984 } else if (ret_class != mono_defaults.object_class) {
2985 mono_mb_emit_byte (mb, CEE_CASTCLASS);
2986 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ret_class));
2989 mono_mb_emit_ldloc (mb, loc_serialized_data);
2990 mono_mb_emit_byte (mb, CEE_DUP);
2991 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2993 mono_mb_emit_byte (mb, 0);
2994 mono_marshal_emit_xdomain_copy_value (mb, byte_array_class);
2996 mono_mb_patch_addr_s (mb, pos, mb->pos - (pos + 1));
2997 mono_mb_emit_managed_call (mb, method_rs_deserialize, NULL);
2998 mono_mb_emit_byte (mb, CEE_POP);
3002 mono_mb_emit_ldloc (mb, loc_return);
3003 if (ret_marshal_type == MONO_MARSHAL_COPY)
3004 mono_marshal_emit_xdomain_copy_value (mb, ret_class);
3007 mono_mb_emit_byte (mb, CEE_RET);
3009 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3016 mono_marshal_get_remoting_invoke_for_target (MonoMethod *method, MonoRemotingTarget target_type)
3018 if (target_type == MONO_REMOTING_TARGET_APPDOMAIN)
3019 return mono_marshal_get_xappdomain_invoke (method);
3021 return mono_marshal_get_remoting_invoke (method);
3024 G_GNUC_UNUSED static gpointer
3025 mono_marshal_load_remoting_wrapper (MonoRealProxy *rp, MonoMethod *method)
3027 if (rp->target_domain_id != -1)
3028 return mono_compile_method (mono_marshal_get_xappdomain_invoke (method));
3030 return mono_compile_method (mono_marshal_get_remoting_invoke (method));
3034 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
3036 MonoMethodSignature *sig;
3037 MonoMethodBuilder *mb;
3038 MonoMethod *res, *native;
3039 int i, pos, pos_rem;
3043 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
3046 sig = signature_no_pinvoke (mono_method_signature (method));
3048 /* we cant remote methods without this pointer */
3049 g_assert (sig->hasthis);
3051 if ((res = mono_marshal_remoting_find_in_cache (method, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)))
3054 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
3056 for (i = 0; i <= sig->param_count; i++)
3057 mono_mb_emit_ldarg (mb, i);
3059 mono_mb_emit_ldarg (mb, 0);
3060 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3062 if (mono_marshal_supports_fast_xdomain (method)) {
3063 mono_mb_emit_ldarg (mb, 0);
3064 pos_rem = mono_mb_emit_xdomain_check (mb, CEE_BEQ);
3066 /* wrapper for cross app domain calls */
3067 native = mono_marshal_get_xappdomain_invoke (method);
3068 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3069 mono_mb_emit_byte (mb, CEE_RET);
3071 mono_mb_patch_addr (mb, pos_rem, mb->pos - (pos_rem + 4));
3073 /* wrapper for normal remote calls */
3074 native = mono_marshal_get_remoting_invoke (method);
3075 mono_mb_emit_managed_call (mb, native, mono_method_signature (native));
3076 mono_mb_emit_byte (mb, CEE_RET);
3079 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3080 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3081 mono_mb_emit_byte (mb, CEE_RET);
3083 res = mono_remoting_mb_create_and_cache (method, mb, sig, sig->param_count + 16);
3090 * the returned method invokes all methods in a multicast delegate
3093 mono_marshal_get_delegate_invoke (MonoMethod *method)
3095 MonoMethodSignature *sig, *static_sig;
3097 MonoMethodBuilder *mb;
3103 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
3104 !strcmp (method->name, "Invoke"));
3106 sig = signature_no_pinvoke (mono_method_signature (method));
3108 cache = method->klass->image->delegate_invoke_cache;
3109 if ((res = mono_marshal_find_in_cache (cache, sig)))
3112 static_sig = mono_metadata_signature_dup (sig);
3113 static_sig->hasthis = 0;
3115 name = mono_signature_to_name (sig, "invoke");
3116 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
3119 /* allocate local 0 (object) */
3120 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3122 g_assert (sig->hasthis);
3126 * prev.Invoke( args .. );
3127 * return this.<target>( args .. );
3130 /* this wrapper can be used in unmanaged-managed transitions */
3131 emit_thread_interrupt_checkpoint (mb);
3133 /* get this->prev */
3134 mono_mb_emit_ldarg (mb, 0);
3135 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
3136 mono_mb_emit_byte (mb, CEE_LDIND_I );
3137 mono_mb_emit_stloc (mb, 0);
3139 /* if prev != null */
3140 mono_mb_emit_ldloc (mb, 0);
3141 mono_mb_emit_byte (mb, CEE_BRFALSE);
3144 mono_mb_emit_i4 (mb, 0);
3147 mono_mb_emit_ldloc (mb, 0);
3148 for (i = 0; i < sig->param_count; i++)
3149 mono_mb_emit_ldarg (mb, i + 1);
3150 mono_mb_emit_managed_call (mb, method, mono_method_signature (method));
3151 if (sig->ret->type != MONO_TYPE_VOID)
3152 mono_mb_emit_byte (mb, CEE_POP);
3154 /* continued or prev == null */
3155 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3157 /* get this->target */
3158 mono_mb_emit_ldarg (mb, 0);
3159 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
3160 mono_mb_emit_byte (mb, CEE_LDIND_I );
3161 mono_mb_emit_stloc (mb, 0);
3163 /* if target != null */
3164 mono_mb_emit_ldloc (mb, 0);
3165 mono_mb_emit_byte (mb, CEE_BRFALSE);
3167 mono_mb_emit_i4 (mb, 0);
3169 /* then call this->method_ptr nonstatic */
3170 mono_mb_emit_ldloc (mb, 0);
3171 for (i = 0; i < sig->param_count; ++i)
3172 mono_mb_emit_ldarg (mb, i + 1);
3173 mono_mb_emit_ldarg (mb, 0);
3174 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3175 mono_mb_emit_byte (mb, CEE_LDIND_I );
3176 mono_mb_emit_byte (mb, CEE_CALLI);
3177 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
3179 mono_mb_emit_byte (mb, CEE_BR);
3181 mono_mb_emit_i4 (mb, 0);
3183 /* else [target == null] call this->method_ptr static */
3184 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3186 for (i = 0; i < sig->param_count; ++i)
3187 mono_mb_emit_ldarg (mb, i + 1);
3188 mono_mb_emit_ldarg (mb, 0);
3189 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
3190 mono_mb_emit_byte (mb, CEE_LDIND_I );
3191 mono_mb_emit_byte (mb, CEE_CALLI);
3192 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
3195 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3196 mono_mb_emit_byte (mb, CEE_RET);
3198 res = mono_mb_create_and_cache (cache, sig,
3199 mb, sig, sig->param_count + 16);
3206 * signature_dup_add_this:
3208 * Make a copy of @sig, adding an explicit this argument.
3210 static MonoMethodSignature*
3211 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
3213 MonoMethodSignature *res;
3216 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
3217 memcpy (res, sig, sizeof (MonoMethodSignature));
3218 res->param_count = sig->param_count + 1;
3219 res->hasthis = FALSE;
3220 for (i = sig->param_count - 1; i >= 0; i --)
3221 res->params [i + 1] = sig->params [i];
3222 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
3229 MonoMethodSignature *sig;
3235 * generates IL code for the runtime invoke function
3236 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
3238 * we also catch exceptions if exc != null
3241 mono_marshal_get_runtime_invoke (MonoMethod *method)
3243 MonoMethodSignature *sig, *csig, *callsig;
3244 MonoExceptionClause *clause;
3245 MonoMethodHeader *header;
3246 MonoMethodBuilder *mb;
3247 GHashTable *cache = NULL;
3248 MonoClass *target_klass;
3249 MonoMethod *res = NULL;
3251 static MonoString *string_dummy = NULL;
3252 static MonoMethodSignature *dealy_abort_sig = NULL;
3258 target_klass = method->klass;
3260 EnterCriticalSection (&marshal_mutex);
3262 if (method->string_ctor) {
3263 static GSList *strsig_list = NULL;
3267 for (item = strsig_list; item; item = item->next) {
3269 if (mono_metadata_signature_equal (mono_method_signature (method), mono_method_signature (cs->ctor))) {
3275 callsig = mono_metadata_signature_dup (mono_method_signature (method));
3276 callsig->ret = &mono_defaults.string_class->byval_arg;
3277 cs = g_new (CtorSigPair, 1);
3280 strsig_list = g_slist_prepend (strsig_list, cs);
3283 if (method->klass->valuetype && mono_method_signature (method)->hasthis) {
3285 * Valuetype methods receive a managed pointer as the this argument.
3286 * Create a new signature to reflect this.
3288 callsig = signature_dup_add_this (mono_method_signature (method), method->klass);
3291 callsig = mono_method_signature (method);
3294 cache = method->klass->image->runtime_invoke_cache;
3296 /* from mono_marshal_find_in_cache */
3297 res = g_hash_table_lookup (cache, callsig);
3298 LeaveCriticalSection (&marshal_mutex);
3304 if (!dealy_abort_sig) {
3305 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3306 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
3307 dealy_abort_sig->pinvoke = 0;
3310 target_klass = mono_defaults.object_class;
3312 /* to make it work with our special string constructors */
3313 if (!string_dummy) {
3314 MONO_GC_REGISTER_ROOT (string_dummy);
3315 string_dummy = mono_string_new_wrapper ("dummy");
3318 sig = mono_method_signature (method);
3320 csig = mono_metadata_signature_alloc (method->klass->image, 4);
3322 csig->ret = &mono_defaults.object_class->byval_arg;
3323 if (method->klass->valuetype && mono_method_signature (method)->hasthis)
3324 csig->params [0] = callsig->params [0];
3326 csig->params [0] = &mono_defaults.object_class->byval_arg;
3327 csig->params [1] = &mono_defaults.int_class->byval_arg;
3328 csig->params [2] = &mono_defaults.int_class->byval_arg;
3329 csig->params [3] = &mono_defaults.int_class->byval_arg;
3331 name = mono_signature_to_name (callsig, "runtime_invoke");
3332 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
3335 /* allocate local 0 (object) tmp */
3336 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3337 /* allocate local 1 (object) exc */
3338 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3340 /* cond set *exc to null */
3341 mono_mb_emit_byte (mb, CEE_LDARG_2);
3342 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3343 mono_mb_emit_byte (mb, 3);
3344 mono_mb_emit_byte (mb, CEE_LDARG_2);
3345 mono_mb_emit_byte (mb, CEE_LDNULL);
3346 mono_mb_emit_byte (mb, CEE_STIND_I);
3349 if (method->string_ctor) {
3350 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3351 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3352 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
3354 mono_mb_emit_ldarg (mb, 0);
3358 for (i = 0; i < sig->param_count; i++) {
3359 MonoType *t = sig->params [i];
3362 mono_mb_emit_ldarg (mb, 1);
3364 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
3365 mono_mb_emit_byte (mb, CEE_ADD);
3367 mono_mb_emit_byte (mb, CEE_LDIND_I);
3372 type = sig->params [i]->type;
3376 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3378 case MONO_TYPE_BOOLEAN:
3380 mono_mb_emit_byte (mb, CEE_LDIND_U1);
3383 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3386 case MONO_TYPE_CHAR:
3387 mono_mb_emit_byte (mb, CEE_LDIND_U2);
3391 mono_mb_emit_byte (mb, CEE_LDIND_I);
3394 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3397 mono_mb_emit_byte (mb, CEE_LDIND_U4);
3400 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3403 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3407 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3409 case MONO_TYPE_STRING:
3410 case MONO_TYPE_CLASS:
3411 case MONO_TYPE_ARRAY:
3413 case MONO_TYPE_SZARRAY:
3414 case MONO_TYPE_OBJECT:
3417 case MONO_TYPE_VALUETYPE:
3418 if (t->data.klass->enumtype) {
3419 type = t->data.klass->enum_basetype->type;
3422 mono_mb_emit_byte (mb, CEE_LDOBJ);
3423 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
3426 g_assert_not_reached ();
3430 mono_mb_emit_ldarg (mb, 3);
3431 emit_thread_force_interrupt_checkpoint (mb);
3432 mono_mb_emit_calli (mb, callsig);
3434 if (sig->ret->byref) {
3436 g_assert_not_reached ();
3440 switch (sig->ret->type) {
3441 case MONO_TYPE_VOID:
3442 if (!method->string_ctor)
3443 mono_mb_emit_byte (mb, CEE_LDNULL);
3445 case MONO_TYPE_BOOLEAN:
3446 case MONO_TYPE_CHAR:
3459 case MONO_TYPE_VALUETYPE:
3460 /* box value types */
3461 mono_mb_emit_byte (mb, CEE_BOX);
3462 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3464 case MONO_TYPE_STRING:
3465 case MONO_TYPE_CLASS:
3466 case MONO_TYPE_ARRAY:
3467 case MONO_TYPE_SZARRAY:
3468 case MONO_TYPE_OBJECT:
3473 g_assert_not_reached ();
3476 mono_mb_emit_stloc (mb, 0);
3478 mono_mb_emit_byte (mb, CEE_LEAVE);
3480 mono_mb_emit_i4 (mb, 0);
3482 clause = g_new0 (MonoExceptionClause, 1);
3483 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
3484 clause->try_len = mb->pos;
3487 clause->data.filter_offset = mb->pos;
3489 mono_mb_emit_byte (mb, CEE_POP);
3490 mono_mb_emit_byte (mb, CEE_LDARG_2);
3491 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3492 mono_mb_emit_byte (mb, CEE_PREFIX1);
3493 mono_mb_emit_byte (mb, CEE_CGT_UN);
3494 mono_mb_emit_byte (mb, CEE_PREFIX1);
3495 mono_mb_emit_byte (mb, CEE_ENDFILTER);
3497 clause->handler_offset = mb->pos;
3500 /* store exception */
3501 mono_mb_emit_stloc (mb, 1);
3503 mono_mb_emit_byte (mb, CEE_LDARG_2);
3504 mono_mb_emit_ldloc (mb, 1);
3505 mono_mb_emit_byte (mb, CEE_STIND_I);
3507 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3508 mono_mb_emit_stloc (mb, 0);
3510 /* Check for the abort exception */
3511 mono_mb_emit_ldloc (mb, 1);
3512 mono_mb_emit_byte (mb, CEE_ISINST);
3513 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.threadabortexception_class));
3514 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
3516 mono_mb_emit_byte (mb, 0);
3518 /* Delay the abort exception */
3519 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
3521 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
3522 mono_mb_emit_byte (mb, CEE_LEAVE);
3523 mono_mb_emit_i4 (mb, 0);
3525 clause->handler_len = mb->pos - clause->handler_offset;
3528 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3529 mono_mb_emit_ldloc (mb, 0);
3530 mono_mb_emit_byte (mb, CEE_RET);
3532 /* taken from mono_mb_create_and_cache */
3533 EnterCriticalSection (&marshal_mutex);
3535 res = g_hash_table_lookup (cache, callsig);
3536 /* Somebody may have created it before us */
3538 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3539 g_hash_table_insert (cache, callsig, res);
3540 g_hash_table_insert (wrapper_hash, res, callsig);
3543 LeaveCriticalSection (&marshal_mutex);
3544 /* end mono_mb_create_and_cache */
3548 header = ((MonoMethodNormal *)res)->header;
3549 header->num_clauses = 1;
3550 header->clauses = clause;
3556 raise_auto_layout_exception (MonoClass *klass)
3558 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
3559 klass->name_space, klass->name);
3561 MonoException *e = mono_exception_from_name_msg (
3562 mono_get_corlib (), "System.Runtime.InteropServices",
3563 "MarshalDirectiveException", msg);
3565 mono_raise_exception (e);
3569 * generates IL code to call managed methods from unmanaged code
3572 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
3574 MonoMethodSignature *sig, *csig;
3575 MonoMethodBuilder *mb;
3576 MonoClass *klass = NULL;
3579 int i, pos = 0, *tmp_locals;
3580 static MonoMethodSignature *alloc_sig = NULL;
3583 g_assert (method != NULL);
3584 g_assert (!mono_method_signature (method)->pinvoke);
3586 cache = method->klass->image->managed_wrapper_cache;
3587 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
3590 /* Under MS, the allocation should be done using CoTaskMemAlloc */
3592 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3593 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
3594 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
3595 alloc_sig->pinvoke = 1;
3598 sig = mono_method_signature (method);
3600 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
3602 /* allocate local 0 (pointer) src_ptr */
3603 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3604 /* allocate local 1 (pointer) dst_ptr */
3605 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3606 /* allocate local 2 (boolean) delete_old */
3607 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3609 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3610 /* allocate local 3 to store the return value */
3611 mono_mb_add_local (mb, sig->ret);
3614 mono_mb_emit_icon (mb, 0);
3615 mono_mb_emit_byte (mb, CEE_STLOC_2);
3617 /* we copy the signature, so that we can modify it */
3618 csig = mono_metadata_signature_dup (sig);
3622 #ifdef PLATFORM_WIN32
3624 * Under windows, delegates passed to native code must use the STDCALL
3625 * calling convention.
3627 csig->call_convention = MONO_CALL_STDCALL;
3630 /* fixme: howto handle this ? */
3634 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3635 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3636 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
3641 g_assert_not_reached ();
3646 /* we first do all conversions */
3647 tmp_locals = alloca (sizeof (int) * sig->param_count);
3648 for (i = 0; i < sig->param_count; i ++) {
3649 MonoType *t = sig->params [i];
3650 MonoMarshalSpec *spec = mspecs [i + 1];
3654 /* Ensure that we have marshalling info for this param */
3655 mono_marshal_load_type_info (mono_class_from_mono_type (t));
3657 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3660 MonoMethod *marshal_native_to_managed;
3661 MonoMethod *get_instance;
3663 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3664 g_assert (mtype != NULL);
3665 mklass = mono_class_from_mono_type (mtype);
3666 g_assert (mklass != NULL);
3668 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
3669 g_assert (marshal_native_to_managed);
3670 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
3671 g_assert (get_instance);
3674 case MONO_TYPE_CLASS:
3675 case MONO_TYPE_OBJECT:
3676 case MONO_TYPE_STRING:
3677 case MONO_TYPE_ARRAY:
3678 case MONO_TYPE_SZARRAY:
3682 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3684 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3686 mono_mb_emit_byte (mb, CEE_CALL);
3687 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3689 mono_mb_emit_ldarg (mb, i);
3691 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3692 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3694 mono_mb_emit_stloc (mb, tmp_locals [i]);
3697 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3698 g_assert_not_reached ();
3705 case MONO_TYPE_CLASS: {
3706 klass = t->data.klass;
3708 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3710 if (klass->delegate) {
3711 g_assert (!t->byref);
3712 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3713 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
3714 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3715 mono_mb_emit_ldarg (mb, i);
3716 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
3717 mono_mb_emit_stloc (mb, tmp_locals [i]);
3721 /* The class can not have an automatic layout */
3722 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
3723 raise_auto_layout_exception (klass);
3725 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3726 mono_mb_emit_byte (mb, CEE_LDNULL);
3727 mono_mb_emit_stloc (mb, tmp_locals [i]);
3732 mono_mb_emit_ldarg (mb, i);
3736 /* Check for NULL and raise an exception */
3737 mono_mb_emit_byte (mb, CEE_BRTRUE);
3739 mono_mb_emit_i4 (mb, 0);
3741 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
3743 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3744 mono_mb_emit_ldarg (mb, i);
3745 mono_mb_emit_byte (mb, CEE_LDIND_I);
3748 mono_mb_emit_byte (mb, CEE_STLOC_0);
3750 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3751 mono_mb_emit_stloc (mb, tmp_locals [i]);
3753 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3754 mono_mb_emit_byte (mb, CEE_BRFALSE);
3756 mono_mb_emit_i4 (mb, 0);
3758 /* Create and set dst */
3759 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3760 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3761 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3762 mono_mb_emit_stloc (mb, tmp_locals [i]);
3763 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3764 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3765 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3766 mono_mb_emit_icon (mb, sizeof (MonoObject));
3767 mono_mb_emit_byte (mb, CEE_ADD);
3768 mono_mb_emit_byte (mb, CEE_STLOC_1);
3770 /* emit valuetype conversion code */
3771 emit_struct_conv (mb, klass, TRUE);
3773 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3776 case MONO_TYPE_VALUETYPE:
3778 klass = sig->params [i]->data.klass;
3779 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3780 klass->blittable || klass->enumtype)
3783 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
3785 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3789 mono_mb_emit_ldarg (mb, i);
3791 mono_mb_emit_ldarg_addr (mb, i);
3792 mono_mb_emit_byte (mb, CEE_STLOC_0);
3795 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3796 mono_mb_emit_byte (mb, CEE_BRFALSE);
3798 mono_mb_emit_i4 (mb, 0);
3801 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3802 mono_mb_emit_byte (mb, CEE_STLOC_1);
3804 /* emit valuetype conversion code */
3805 emit_struct_conv (mb, klass, TRUE);
3808 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3810 case MONO_TYPE_STRING: {
3811 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
3816 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3817 csig->params [i] = &mono_defaults.int_class->byval_arg;
3819 mono_mb_emit_ldarg (mb, i);
3822 case MONO_NATIVE_LPWSTR:
3823 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
3825 case MONO_NATIVE_LPSTR:
3826 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3829 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3830 MonoException *exc = mono_get_exception_not_implemented (msg);
3833 mono_raise_exception (exc);
3837 mono_mb_emit_stloc (mb, tmp_locals [i]);
3840 case MONO_TYPE_ARRAY:
3841 case MONO_TYPE_SZARRAY:
3845 klass = mono_class_from_mono_type (t);
3847 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3848 csig->params [i] = &mono_defaults.int_class->byval_arg;
3850 g_warning ("array marshaling not implemented");
3851 g_assert_not_reached ();
3856 for (i = 0; i < sig->param_count; i++) {
3857 MonoType *t = sig->params [i];
3860 case MONO_TYPE_BOOLEAN:
3874 mono_mb_emit_ldarg (mb, i);
3876 case MONO_TYPE_STRING:
3878 mono_mb_emit_ldarg (mb, i);
3880 g_assert (tmp_locals [i]);
3881 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3884 case MONO_TYPE_CLASS:
3886 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3888 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3890 case MONO_TYPE_ARRAY:
3891 case MONO_TYPE_SZARRAY:
3892 case MONO_TYPE_OBJECT:
3894 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3896 mono_mb_emit_ldarg (mb, i);
3898 case MONO_TYPE_VALUETYPE:
3899 klass = sig->params [i]->data.klass;
3900 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3901 klass->blittable || klass->enumtype) {
3902 mono_mb_emit_ldarg (mb, i);
3906 g_assert (tmp_locals [i]);
3908 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3910 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3913 g_warning ("type 0x%02x unknown", t->type);
3914 g_assert_not_reached ();
3918 emit_thread_interrupt_checkpoint (mb);
3919 mono_mb_emit_managed_call (mb, method, NULL);
3921 /* Ensure that we have marshalling info for the return */
3922 mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
3924 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3925 MonoMarshalSpec *spec = mspecs [0];
3930 g_assert (!sig->ret->byref);
3932 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3934 mklass = mono_class_from_mono_type (mtype);
3937 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3939 switch (sig->ret->type) {
3940 case MONO_TYPE_CLASS:
3941 case MONO_TYPE_OBJECT:
3942 case MONO_TYPE_STRING:
3943 case MONO_TYPE_ARRAY:
3944 case MONO_TYPE_SZARRAY:
3945 mono_mb_emit_byte (mb, CEE_STLOC_3);
3947 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3948 mono_mb_emit_stloc (mb, loc1);
3950 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3951 mono_mb_emit_byte (mb, CEE_CALL);
3952 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "GetInstance", 1)));
3953 mono_mb_emit_byte (mb, CEE_DUP);
3955 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3956 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3957 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1)));
3958 mono_mb_emit_byte (mb, CEE_STLOC_3);
3960 mono_mb_emit_ldloc (mb, loc1);
3961 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3962 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1)));
3966 g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
3967 g_assert_not_reached ();
3972 if (!sig->ret->byref) {
3973 switch (sig->ret->type) {
3974 case MONO_TYPE_VOID:
3976 case MONO_TYPE_BOOLEAN:
3990 case MONO_TYPE_OBJECT:
3991 mono_mb_emit_byte (mb, CEE_STLOC_3);
3993 case MONO_TYPE_STRING:
3994 csig->ret = &mono_defaults.int_class->byval_arg;
3996 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
3997 mono_mb_emit_byte (mb, CEE_STLOC_3);
3999 case MONO_TYPE_VALUETYPE:
4000 klass = sig->ret->data.klass;
4001 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4002 klass->blittable || klass->enumtype) {
4003 mono_mb_emit_byte (mb, CEE_STLOC_3);
4007 /* load pointer to returned value type */
4008 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4009 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4011 /* store the address of the source into local variable 0 */
4012 mono_mb_emit_byte (mb, CEE_STLOC_0);
4013 /* allocate space for the native struct and
4014 * store the address into dst_ptr */
4015 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4016 g_assert (retobj_var);
4017 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4018 mono_mb_emit_byte (mb, CEE_CONV_I);
4019 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4020 emit_thread_interrupt_checkpoint (mb);
4021 mono_mb_emit_byte (mb, CEE_STLOC_1);
4022 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4023 mono_mb_emit_stloc (mb, retobj_var);
4025 /* emit valuetype conversion code */
4026 emit_struct_conv (mb, klass, FALSE);
4028 case MONO_TYPE_CLASS: {
4031 klass = sig->ret->data.klass;
4033 if (klass->delegate) {
4034 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
4035 mono_mb_emit_byte (mb, CEE_STLOC_3);
4039 /* The class can not have an automatic layout */
4040 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
4041 raise_auto_layout_exception (klass);
4043 mono_mb_emit_byte (mb, CEE_STLOC_0);
4044 /* Check for null */
4045 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4046 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
4047 mono_mb_emit_byte (mb, CEE_LDNULL);
4048 mono_mb_emit_byte (mb, CEE_STLOC_3);
4049 pos2 = mono_mb_emit_branch (mb, CEE_BR);
4051 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4054 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4055 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4056 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4057 mono_mb_emit_icon (mb, sizeof (MonoObject));
4058 mono_mb_emit_byte (mb, CEE_ADD);
4059 mono_mb_emit_byte (mb, CEE_STLOC_0);
4061 /* Allocate and set dest */
4062 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4063 mono_mb_emit_byte (mb, CEE_CONV_I);
4064 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4065 emit_thread_interrupt_checkpoint (mb);
4066 mono_mb_emit_byte (mb, CEE_DUP);
4067 mono_mb_emit_byte (mb, CEE_STLOC_1);
4068 mono_mb_emit_byte (mb, CEE_STLOC_3);
4070 emit_struct_conv (mb, klass, FALSE);
4072 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4076 g_warning ("return type 0x%02x unknown", sig->ret->type);
4077 g_assert_not_reached ();
4080 mono_mb_emit_byte (mb, CEE_STLOC_3);
4083 /* Convert byref arguments back */
4084 for (i = 0; i < sig->param_count; i ++) {
4085 MonoType *t = sig->params [i];
4086 MonoMarshalSpec *spec = mspecs [i + 1];
4088 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
4091 MonoMethod *cleanup_managed;
4092 MonoMethod *get_instance;
4094 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
4095 g_assert (mtype != NULL);
4096 mklass = mono_class_from_mono_type (mtype);
4097 g_assert (mklass != NULL);
4099 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4100 g_assert (get_instance);
4101 cleanup_managed = mono_class_get_method_from_name (mklass, "CleanUpManagedData", 1);
4102 g_assert (cleanup_managed);
4105 case MONO_TYPE_CLASS:
4106 case MONO_TYPE_OBJECT:
4107 case MONO_TYPE_STRING:
4108 case MONO_TYPE_ARRAY:
4109 case MONO_TYPE_SZARRAY:
4111 g_assert_not_reached ();
4113 /* Call CleanUpManagedData */
4115 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4117 mono_mb_emit_byte (mb, CEE_CALL);
4118 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4120 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4121 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4122 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
4126 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4127 g_assert_not_reached ();
4137 case MONO_TYPE_CLASS: {
4140 klass = t->data.klass;
4142 /* Check for null */
4143 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4144 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
4145 mono_mb_emit_ldarg (mb, i);
4146 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4147 mono_mb_emit_byte (mb, CEE_STIND_I);
4148 pos2 = mono_mb_emit_branch (mb, CEE_BR);
4150 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4153 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4154 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4155 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4156 mono_mb_emit_icon (mb, sizeof (MonoObject));
4157 mono_mb_emit_byte (mb, CEE_ADD);
4158 mono_mb_emit_byte (mb, CEE_STLOC_0);
4160 /* Allocate and set dest */
4161 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4162 mono_mb_emit_byte (mb, CEE_CONV_I);
4163 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
4164 emit_thread_interrupt_checkpoint (mb);
4165 mono_mb_emit_byte (mb, CEE_STLOC_1);
4167 /* Update argument pointer */
4168 mono_mb_emit_ldarg (mb, i);
4169 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4170 mono_mb_emit_byte (mb, CEE_STIND_I);
4172 /* emit valuetype conversion code */
4173 emit_struct_conv (mb, klass, FALSE);
4175 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4178 case MONO_TYPE_VALUETYPE: {
4181 klass = t->data.klass;
4183 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4184 klass->blittable || klass->enumtype) {
4188 /* Check for null */
4189 mono_mb_emit_ldarg (mb, i);
4190 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
4193 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4194 mono_mb_emit_byte (mb, CEE_STLOC_0);
4197 mono_mb_emit_ldarg (mb, i);
4198 mono_mb_emit_byte (mb, CEE_STLOC_1);
4200 /* emit valuetype conversion code */
4201 emit_struct_conv (mb, klass, FALSE);
4203 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4210 mono_mb_emit_ldloc (mb, retobj_var);
4211 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4212 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
4213 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4216 if (!MONO_TYPE_IS_VOID(sig->ret))
4217 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4218 mono_mb_emit_byte (mb, CEE_RET);
4222 res = mono_mb_create_and_cache (cache, method,
4223 mb, csig, sig->param_count + 16);
4225 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
4230 /* 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)); */
4236 * mono_marshal_get_ldfld_wrapper:
4237 * @type: the type of the field
4239 * This method generates a function which can be use to load a field with type
4240 * @type from an object. The generated function has the following signature:
4241 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
4244 mono_marshal_get_ldfld_wrapper (MonoType *type)
4246 MonoMethodSignature *sig, *csig;
4247 MonoMethodBuilder *mb;
4250 static GHashTable *ldfld_hash = NULL;
4252 int t, pos0, pos1 = 0;
4257 if (type->type == MONO_TYPE_SZARRAY) {
4258 klass = mono_defaults.array_class;
4259 } else if (type->type == MONO_TYPE_VALUETYPE) {
4260 klass = type->data.klass;
4261 if (klass->enumtype) {
4262 t = klass->enum_basetype->type;
4263 klass = mono_class_from_mono_type (klass->enum_basetype);
4265 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4266 t == MONO_TYPE_CLASS) {
4267 klass = mono_defaults.object_class;
4268 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4269 klass = mono_defaults.int_class;
4271 klass = mono_class_from_mono_type (type);
4274 klass = mono_defaults.int_class;
4277 EnterCriticalSection (&marshal_mutex);
4279 ldfld_hash = g_hash_table_new (NULL, NULL);
4280 res = g_hash_table_lookup (ldfld_hash, klass);
4281 LeaveCriticalSection (&marshal_mutex);
4285 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
4286 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
4289 mb->method->save_lmf = 1;
4291 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4292 sig->params [0] = &mono_defaults.object_class->byval_arg;
4293 sig->params [1] = &mono_defaults.int_class->byval_arg;
4294 sig->params [2] = &mono_defaults.int_class->byval_arg;
4295 sig->params [3] = &mono_defaults.int_class->byval_arg;
4296 sig->ret = &klass->byval_arg;
4298 mono_mb_emit_ldarg (mb, 0);
4299 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4301 mono_mb_emit_ldarg (mb, 0);
4302 mono_mb_emit_ldarg (mb, 1);
4303 mono_mb_emit_ldarg (mb, 2);
4305 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
4306 csig->params [0] = &mono_defaults.object_class->byval_arg;
4307 csig->params [1] = &mono_defaults.int_class->byval_arg;
4308 csig->params [2] = &mono_defaults.int_class->byval_arg;
4309 csig->ret = &klass->this_arg;
4312 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
4313 emit_thread_interrupt_checkpoint (mb);
4315 if (klass->valuetype) {
4316 mono_mb_emit_byte (mb, CEE_UNBOX);
4317 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4318 mono_mb_emit_byte (mb, CEE_BR);
4320 mono_mb_emit_i4 (mb, 0);
4322 mono_mb_emit_byte (mb, CEE_RET);
4326 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
4328 mono_mb_emit_ldarg (mb, 0);
4329 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4330 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4331 mono_mb_emit_ldarg (mb, 3);
4332 mono_mb_emit_byte (mb, CEE_ADD);
4334 if (klass->valuetype)
4335 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
4340 case MONO_TYPE_BOOLEAN:
4341 mono_mb_emit_byte (mb, CEE_LDIND_I1);
4343 case MONO_TYPE_CHAR:
4346 mono_mb_emit_byte (mb, CEE_LDIND_I2);
4350 mono_mb_emit_byte (mb, CEE_LDIND_I4);
4354 mono_mb_emit_byte (mb, CEE_LDIND_I8);
4357 mono_mb_emit_byte (mb, CEE_LDIND_R4);
4360 mono_mb_emit_byte (mb, CEE_LDIND_R8);
4362 case MONO_TYPE_ARRAY:
4364 case MONO_TYPE_FNPTR:
4365 case MONO_TYPE_SZARRAY:
4366 case MONO_TYPE_OBJECT:
4367 case MONO_TYPE_CLASS:
4368 case MONO_TYPE_STRING:
4371 mono_mb_emit_byte (mb, CEE_LDIND_I);
4373 case MONO_TYPE_VALUETYPE:
4374 g_assert (!klass->enumtype);
4375 mono_mb_emit_byte (mb, CEE_LDOBJ);
4376 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4379 g_warning ("type %x not implemented", type->type);
4380 g_assert_not_reached ();
4383 mono_mb_emit_byte (mb, CEE_RET);
4385 res = mono_mb_create_and_cache (ldfld_hash, klass,
4386 mb, sig, sig->param_count + 16);
4393 * mono_marshal_get_stfld_wrapper:
4394 * @type: the type of the field
4396 * This method generates a function which can be use to store a field with type
4397 * @type. The generated function has the following signature:
4398 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
4401 mono_marshal_get_stfld_wrapper (MonoType *type)
4403 MonoMethodSignature *sig, *csig;
4404 MonoMethodBuilder *mb;
4407 static GHashTable *stfld_hash = NULL;
4414 if (type->type == MONO_TYPE_SZARRAY) {
4415 klass = mono_defaults.array_class;
4416 } else if (type->type == MONO_TYPE_VALUETYPE) {
4417 klass = type->data.klass;
4418 if (klass->enumtype) {
4419 t = klass->enum_basetype->type;
4420 klass = mono_class_from_mono_type (klass->enum_basetype);
4422 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
4423 t == MONO_TYPE_CLASS) {
4424 klass = mono_defaults.object_class;
4425 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
4426 klass = mono_defaults.int_class;
4428 klass = mono_class_from_mono_type (type);
4431 klass = mono_defaults.int_class;
4434 EnterCriticalSection (&marshal_mutex);
4436 stfld_hash = g_hash_table_new (NULL, NULL);
4437 res = g_hash_table_lookup (stfld_hash, klass);
4438 LeaveCriticalSection (&marshal_mutex);
4442 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
4443 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
4446 mb->method->save_lmf = 1;
4448 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
4449 sig->params [0] = &mono_defaults.object_class->byval_arg;
4450 sig->params [1] = &mono_defaults.int_class->byval_arg;
4451 sig->params [2] = &mono_defaults.int_class->byval_arg;
4452 sig->params [3] = &mono_defaults.int_class->byval_arg;
4453 sig->params [4] = &klass->byval_arg;
4454 sig->ret = &mono_defaults.void_class->byval_arg;
4456 mono_mb_emit_ldarg (mb, 0);
4457 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
4459 mono_mb_emit_ldarg (mb, 0);
4460 mono_mb_emit_ldarg (mb, 1);
4461 mono_mb_emit_ldarg (mb, 2);
4462 mono_mb_emit_ldarg (mb, 4);
4464 if (klass->valuetype) {
4465 mono_mb_emit_byte (mb, CEE_BOX);
4466 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4469 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
4470 csig->params [0] = &mono_defaults.object_class->byval_arg;
4471 csig->params [1] = &mono_defaults.int_class->byval_arg;
4472 csig->params [2] = &mono_defaults.int_class->byval_arg;
4473 csig->params [3] = &klass->this_arg;
4474 csig->ret = &mono_defaults.void_class->byval_arg;
4477 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
4478 emit_thread_interrupt_checkpoint (mb);
4480 mono_mb_emit_byte (mb, CEE_RET);
4482 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4484 mono_mb_emit_ldarg (mb, 0);
4485 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4486 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4487 mono_mb_emit_ldarg (mb, 3);
4488 mono_mb_emit_byte (mb, CEE_ADD);
4489 mono_mb_emit_ldarg (mb, 4);
4494 case MONO_TYPE_BOOLEAN:
4495 mono_mb_emit_byte (mb, CEE_STIND_I1);
4497 case MONO_TYPE_CHAR:
4500 mono_mb_emit_byte (mb, CEE_STIND_I2);
4504 mono_mb_emit_byte (mb, CEE_STIND_I4);
4508 mono_mb_emit_byte (mb, CEE_STIND_I8);
4511 mono_mb_emit_byte (mb, CEE_STIND_R4);
4514 mono_mb_emit_byte (mb, CEE_STIND_R8);
4516 case MONO_TYPE_ARRAY:
4518 case MONO_TYPE_FNPTR:
4519 case MONO_TYPE_SZARRAY:
4520 case MONO_TYPE_OBJECT:
4521 case MONO_TYPE_CLASS:
4522 case MONO_TYPE_STRING:
4525 mono_mb_emit_byte (mb, CEE_STIND_I);
4527 case MONO_TYPE_VALUETYPE:
4528 g_assert (!klass->enumtype);
4529 mono_mb_emit_byte (mb, CEE_STOBJ);
4530 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4533 g_warning ("type %x not implemented", type->type);
4534 g_assert_not_reached ();
4537 mono_mb_emit_byte (mb, CEE_RET);
4539 res = mono_mb_create_and_cache (stfld_hash, klass,
4540 mb, sig, sig->param_count + 16);
4547 * generates IL code for the icall wrapper (the generated method
4548 * calls the unmanaged code in func)
4551 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
4553 MonoMethodSignature *csig;
4554 MonoMethodBuilder *mb;
4558 g_assert (sig->pinvoke);
4560 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4562 mb->method->save_lmf = 1;
4564 /* we copy the signature, so that we can modify it */
4567 mono_mb_emit_byte (mb, CEE_LDARG_0);
4569 for (i = 0; i < sig->param_count; i++)
4570 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4572 mono_mb_emit_native_call (mb, sig, (gpointer) func);
4573 emit_thread_interrupt_checkpoint (mb);
4574 mono_mb_emit_byte (mb, CEE_RET);
4576 csig = mono_metadata_signature_dup (sig);
4578 if (csig->call_convention == MONO_CALL_VARARG)
4579 csig->call_convention = 0;
4581 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
4588 MonoMethodBuilder *mb;
4589 MonoMethodPInvoke *piinfo;
4590 int *orig_conv_args; /* Locals containing the original values of byref args */
4591 } EmitMarshalContext;
4594 MARSHAL_ACTION_CONV_IN,
4595 MARSHAL_ACTION_PUSH,
4596 MARSHAL_ACTION_CONV_OUT,
4597 MARSHAL_ACTION_CONV_RESULT
4601 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
4602 MonoMarshalSpec *spec,
4603 int conv_arg, MonoType **conv_arg_type,
4604 MarshalAction action)
4608 MonoMethod *get_instance, *cleanup_native;
4609 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
4610 MonoMethodBuilder *mb = m->mb;
4613 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
4614 g_assert (mtype != NULL);
4615 mklass = mono_class_from_mono_type (mtype);
4616 g_assert (mklass != NULL);
4618 get_instance = mono_class_get_method_from_name (mklass, "GetInstance", 1);
4619 g_assert (get_instance);
4620 cleanup_native = mono_class_get_method_from_name (mklass, "CleanUpNativeData", 1);
4621 g_assert (cleanup_native);
4622 marshal_managed_to_native = mono_class_get_method_from_name (mklass, "MarshalManagedToNative", 1);
4623 g_assert (marshal_managed_to_native);
4624 marshal_native_to_managed = mono_class_get_method_from_name (mklass, "MarshalNativeToManaged", 1);
4625 g_assert (marshal_native_to_managed);
4628 case MARSHAL_ACTION_CONV_IN:
4630 case MONO_TYPE_CLASS:
4631 case MONO_TYPE_OBJECT:
4632 case MONO_TYPE_STRING:
4633 case MONO_TYPE_ARRAY:
4634 case MONO_TYPE_SZARRAY:
4635 case MONO_TYPE_VALUETYPE:
4639 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4641 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4643 mono_mb_emit_byte (mb, CEE_CALL);
4644 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4646 mono_mb_emit_ldarg (mb, argnum);
4648 if (t->type == MONO_TYPE_VALUETYPE) {
4650 * Since we can't determine the type of the argument, we
4651 * will assume the unmanaged function takes a pointer.
4653 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4655 mono_mb_emit_byte (mb, CEE_BOX);
4656 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
4659 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4660 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
4661 mono_mb_emit_stloc (mb, conv_arg);
4665 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4666 g_assert_not_reached ();
4672 case MARSHAL_ACTION_CONV_OUT:
4674 case MONO_TYPE_CLASS:
4675 case MONO_TYPE_OBJECT:
4676 case MONO_TYPE_STRING:
4677 case MONO_TYPE_ARRAY:
4678 case MONO_TYPE_SZARRAY:
4679 case MONO_TYPE_VALUETYPE:
4680 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4682 mono_mb_emit_byte (mb, CEE_CALL);
4683 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4685 mono_mb_emit_ldloc (mb, conv_arg);
4687 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4688 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4693 g_warning ("custom marshalling of type %x is currently not supported", t->type);
4694 g_assert_not_reached ();
4699 case MARSHAL_ACTION_PUSH:
4700 mono_mb_emit_ldloc (mb, conv_arg);
4703 case MARSHAL_ACTION_CONV_RESULT:
4704 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4707 case MONO_TYPE_CLASS:
4708 case MONO_TYPE_OBJECT:
4709 case MONO_TYPE_STRING:
4710 case MONO_TYPE_ARRAY:
4711 case MONO_TYPE_SZARRAY:
4712 mono_mb_emit_byte (mb, CEE_STLOC_3);
4714 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4715 mono_mb_emit_stloc (mb, loc1);
4717 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
4719 mono_mb_emit_byte (mb, CEE_CALL);
4720 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
4721 mono_mb_emit_byte (mb, CEE_DUP);
4723 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4724 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4725 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
4726 mono_mb_emit_byte (mb, CEE_STLOC_3);
4728 mono_mb_emit_ldloc (mb, loc1);
4729 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4730 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
4734 g_assert_not_reached ();
4740 g_assert_not_reached ();
4747 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
4748 MonoMarshalSpec *spec,
4749 int conv_arg, MonoType **conv_arg_type,
4750 MarshalAction action)
4752 MonoMethodBuilder *mb = m->mb;
4755 case MARSHAL_ACTION_CONV_IN: {
4756 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4758 g_assert (t->type == MONO_TYPE_OBJECT);
4759 g_assert (!t->byref);
4761 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4762 mono_mb_emit_ldarg (mb, argnum);
4763 mono_mb_emit_icon (mb, encoding);
4764 mono_mb_emit_icall (mb, mono_marshal_asany);
4765 mono_mb_emit_stloc (mb, conv_arg);
4769 case MARSHAL_ACTION_PUSH:
4770 mono_mb_emit_ldloc (mb, conv_arg);
4773 case MARSHAL_ACTION_CONV_OUT: {
4774 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
4776 mono_mb_emit_ldarg (mb, argnum);
4777 mono_mb_emit_ldloc (mb, conv_arg);
4778 mono_mb_emit_icon (mb, encoding);
4779 mono_mb_emit_icall (mb, mono_marshal_free_asany);
4784 g_assert_not_reached ();
4791 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
4792 MonoMarshalSpec *spec,
4793 int conv_arg, MonoType **conv_arg_type,
4794 MarshalAction action)
4796 MonoMethodBuilder *mb = m->mb;
4800 klass = t->data.klass;
4803 case MARSHAL_ACTION_CONV_IN:
4804 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4805 klass->blittable || klass->enumtype)
4808 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4810 /* store the address of the source into local variable 0 */
4812 mono_mb_emit_ldarg (mb, argnum);
4814 mono_mb_emit_ldarg_addr (mb, argnum);
4816 mono_mb_emit_byte (mb, CEE_STLOC_0);
4818 /* allocate space for the native struct and
4819 * store the address into local variable 1 (dest) */
4820 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4821 mono_mb_emit_byte (mb, CEE_PREFIX1);
4822 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4823 mono_mb_emit_stloc (mb, conv_arg);
4826 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4827 mono_mb_emit_byte (mb, CEE_BRFALSE);
4829 mono_mb_emit_i4 (mb, 0);
4833 mono_mb_emit_ldloc (mb, conv_arg);
4834 mono_mb_emit_byte (mb, CEE_STLOC_1);
4836 /* emit valuetype conversion code */
4837 emit_struct_conv (mb, klass, FALSE);
4840 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4843 case MARSHAL_ACTION_PUSH:
4844 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4845 klass->blittable || klass->enumtype) {
4846 mono_mb_emit_ldarg (mb, argnum);
4849 mono_mb_emit_ldloc (mb, conv_arg);
4851 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4852 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
4853 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4857 case MARSHAL_ACTION_CONV_OUT:
4858 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4859 klass->blittable || klass->enumtype)
4863 /* dst = argument */
4864 mono_mb_emit_ldarg (mb, argnum);
4865 mono_mb_emit_byte (mb, CEE_STLOC_1);
4867 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4868 mono_mb_emit_byte (mb, CEE_BRFALSE);
4870 mono_mb_emit_i4 (mb, 0);
4872 /* src = tmp_locals [i] */
4873 mono_mb_emit_ldloc (mb, conv_arg);
4874 mono_mb_emit_byte (mb, CEE_STLOC_0);
4876 /* emit valuetype conversion code */
4877 emit_struct_conv (mb, klass, TRUE);
4880 emit_struct_free (mb, klass, conv_arg);
4883 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4886 case MARSHAL_ACTION_CONV_RESULT:
4887 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
4889 mono_mb_emit_byte (mb, CEE_STLOC_3);
4892 /* load pointer to returned value type */
4893 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4894 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
4895 /* store the address of the source into local variable 0 */
4896 mono_mb_emit_byte (mb, CEE_STLOC_0);
4898 mono_mb_emit_ldloc_addr (mb, 3);
4899 mono_mb_emit_byte (mb, CEE_STLOC_1);
4901 /* emit valuetype conversion code */
4902 emit_struct_conv (mb, klass, TRUE);
4906 g_assert_not_reached ();
4913 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
4914 MonoMarshalSpec *spec,
4915 int conv_arg, MonoType **conv_arg_type,
4916 MarshalAction action)
4918 MonoMethodBuilder *mb = m->mb;
4919 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4920 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4923 case MARSHAL_ACTION_CONV_IN:
4924 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4925 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4928 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4931 mono_mb_emit_ldarg (mb, argnum);
4932 mono_mb_emit_byte (mb, CEE_LDIND_I);
4934 mono_mb_emit_ldarg (mb, argnum);
4938 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
4939 MonoException *exc = mono_get_exception_not_implemented (msg);
4942 mono_raise_exception (exc);
4945 mono_mb_emit_icall (mb, conv_to_icall (conv));
4947 mono_mb_emit_stloc (mb, conv_arg);
4950 case MARSHAL_ACTION_CONV_OUT:
4951 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4952 mono_mb_emit_ldarg (mb, argnum);
4953 mono_mb_emit_ldloc (mb, conv_arg);
4954 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4955 mono_mb_emit_byte (mb, CEE_STIND_I);
4957 if (mono_marshal_need_free (t, m->piinfo, spec)) {
4958 mono_mb_emit_ldloc (mb, conv_arg);
4959 mono_mb_emit_icall (mb, mono_marshal_free);
4964 case MARSHAL_ACTION_CONV_RESULT:
4965 mono_mb_emit_byte (mb, CEE_STLOC_0);
4966 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4969 switch (spec->native) {
4970 case MONO_NATIVE_LPWSTR:
4971 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
4974 g_warning ("marshalling conversion not implemented");
4975 g_assert_not_reached ();
4978 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
4980 mono_mb_emit_byte (mb, CEE_STLOC_3);
4982 /* free the string */
4983 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4984 mono_mb_emit_icall (mb, g_free);
4988 g_assert_not_reached ();
4995 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
4996 MonoMarshalSpec *spec,
4997 int conv_arg, MonoType **conv_arg_type,
4998 MarshalAction action)
5000 MonoMethodBuilder *mb = m->mb;
5001 MonoClass *klass = t->data.klass;
5005 case MARSHAL_ACTION_CONV_IN:
5006 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5007 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5009 m->orig_conv_args [argnum] = 0;
5011 if (klass->delegate) {
5012 g_assert (!t->byref);
5013 mono_mb_emit_ldarg (mb, argnum);
5014 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
5015 mono_mb_emit_stloc (mb, conv_arg);
5016 } else if (klass == mono_defaults.stringbuilder_class) {
5017 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5018 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5020 g_assert (!t->byref);
5021 mono_mb_emit_ldarg (mb, argnum);
5024 mono_mb_emit_icall (mb, conv_to_icall (conv));
5026 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
5027 MonoException *exc = mono_get_exception_not_implemented (msg);
5030 mono_raise_exception (exc);
5033 mono_mb_emit_stloc (mb, conv_arg);
5034 } else if (klass->blittable) {
5035 mono_mb_emit_ldarg (mb, argnum);
5036 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5037 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5038 mono_mb_emit_icon (mb, sizeof (MonoObject));
5039 mono_mb_emit_byte (mb, CEE_ADD);
5040 mono_mb_emit_stloc (mb, conv_arg);
5043 mono_mb_emit_byte (mb, CEE_LDNULL);
5044 mono_mb_emit_stloc (mb, conv_arg);
5047 /* we dont need any conversions for out parameters */
5048 if (t->attrs & PARAM_ATTRIBUTE_OUT)
5051 mono_mb_emit_ldarg (mb, argnum);
5052 mono_mb_emit_byte (mb, CEE_LDIND_I);
5055 mono_mb_emit_ldarg (mb, argnum);
5056 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5057 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5060 /* store the address of the source into local variable 0 */
5061 mono_mb_emit_byte (mb, CEE_STLOC_0);
5062 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5063 mono_mb_emit_byte (mb, CEE_BRFALSE);
5065 mono_mb_emit_i4 (mb, 0);
5067 /* allocate space for the native struct and store the address */
5068 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
5069 mono_mb_emit_byte (mb, CEE_PREFIX1);
5070 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5071 mono_mb_emit_stloc (mb, conv_arg);
5074 /* Need to store the original buffer so we can free it later */
5075 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5076 mono_mb_emit_ldloc (mb, conv_arg);
5077 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
5080 /* set the src_ptr */
5081 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5082 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5083 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5084 mono_mb_emit_icon (mb, sizeof (MonoObject));
5085 mono_mb_emit_byte (mb, CEE_ADD);
5086 mono_mb_emit_byte (mb, CEE_STLOC_0);
5089 mono_mb_emit_ldloc (mb, conv_arg);
5090 mono_mb_emit_byte (mb, CEE_STLOC_1);
5092 /* emit valuetype conversion code */
5093 emit_struct_conv (mb, klass, FALSE);
5095 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5099 case MARSHAL_ACTION_CONV_OUT:
5100 if (klass == mono_defaults.stringbuilder_class) {
5102 MonoMarshalNative encoding;
5103 MonoMarshalConv conv;
5105 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5106 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
5108 g_assert (!t->byref);
5109 g_assert (encoding != -1);
5111 mono_mb_emit_ldarg (mb, argnum);
5112 mono_mb_emit_ldloc (mb, conv_arg);
5114 mono_mb_emit_icall (mb, conv_to_icall (conv));
5117 mono_mb_emit_ldloc (mb, conv_arg);
5118 mono_mb_emit_icall (mb, mono_marshal_free);
5123 if (klass->delegate)
5126 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5127 /* allocate a new object */
5128 mono_mb_emit_ldarg (mb, argnum);
5129 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5130 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5131 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
5132 mono_mb_emit_byte (mb, CEE_STIND_I);
5135 /* dst = *argument */
5136 mono_mb_emit_ldarg (mb, argnum);
5139 mono_mb_emit_byte (mb, CEE_LDIND_I);
5141 mono_mb_emit_byte (mb, CEE_STLOC_1);
5143 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5144 mono_mb_emit_byte (mb, CEE_BRFALSE);
5146 mono_mb_emit_i4 (mb, 0);
5148 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
5149 mono_mb_emit_byte (mb, CEE_LDLOC_1);
5150 mono_mb_emit_icon (mb, sizeof (MonoObject));
5151 mono_mb_emit_byte (mb, CEE_ADD);
5152 mono_mb_emit_byte (mb, CEE_STLOC_1);
5154 /* src = tmp_locals [i] */
5155 mono_mb_emit_ldloc (mb, conv_arg);
5156 mono_mb_emit_byte (mb, CEE_STLOC_0);
5158 /* emit valuetype conversion code */
5159 emit_struct_conv (mb, t->data.klass, TRUE);
5161 /* Free the structure returned by the native code */
5162 emit_struct_free (mb, klass, conv_arg);
5164 if (m->orig_conv_args [argnum]) {
5166 * If the native function changed the pointer, then free
5167 * the original structure plus the new pointer.
5169 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
5170 mono_mb_emit_ldloc (mb, conv_arg);
5171 mono_mb_emit_byte (mb, CEE_BEQ);
5173 mono_mb_emit_i4 (mb, 0);
5175 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
5176 g_assert (m->orig_conv_args [argnum]);
5178 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
5181 mono_mb_emit_ldloc (mb, conv_arg);
5182 mono_mb_emit_icall (mb, g_free);
5184 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
5188 /* Free the original structure passed to native code */
5189 emit_struct_free (mb, klass, conv_arg);
5191 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5194 case MARSHAL_ACTION_CONV_RESULT:
5195 if (klass->delegate) {
5196 g_assert (!t->byref);
5197 mono_mb_emit_byte (mb, CEE_STLOC_0);
5198 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5199 mono_mb_emit_byte (mb, CEE_MONO_CLASSCONST);
5200 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5201 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5202 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
5203 mono_mb_emit_byte (mb, CEE_STLOC_3);
5206 mono_mb_emit_byte (mb, CEE_STLOC_0);
5208 /* Make a copy since emit_conv modifies local 0 */
5209 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5210 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5211 mono_mb_emit_stloc (mb, loc);
5213 mono_mb_emit_byte (mb, CEE_LDNULL);
5214 mono_mb_emit_byte (mb, CEE_STLOC_3);
5216 mono_mb_emit_byte (mb, CEE_LDLOC_0);
5217 mono_mb_emit_byte (mb, CEE_BRFALSE);
5219 mono_mb_emit_i4 (mb, 0);
5221 /* allocate result object */
5223 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5224 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
5225 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5226 mono_mb_emit_byte (mb, CEE_STLOC_3);
5230 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5231 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5232 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
5233 mono_mb_emit_icon (mb, sizeof (MonoObject));
5234 mono_mb_emit_byte (mb, CEE_ADD);
5235 mono_mb_emit_byte (mb, CEE_STLOC_1);
5237 /* emit conversion code */
5238 emit_struct_conv (mb, klass, TRUE);
5240 emit_struct_free (mb, klass, loc);
5242 /* Free the pointer allocated by unmanaged code */
5243 mono_mb_emit_ldloc (mb, loc);
5244 mono_mb_emit_icall (mb, g_free);
5245 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5250 g_assert_not_reached ();
5257 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
5258 MonoMarshalSpec *spec,
5259 int conv_arg, MonoType **conv_arg_type,
5260 MarshalAction action)
5262 MonoMethodBuilder *mb = m->mb;
5263 MonoClass *klass = mono_class_from_mono_type (t);
5264 gboolean need_convert, need_free;
5267 case MARSHAL_ACTION_CONV_IN:
5268 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5269 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5271 if (klass->element_class->blittable) {
5272 mono_mb_emit_ldarg (mb, argnum);
5274 mono_mb_emit_byte (mb, CEE_LDIND_I);
5275 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
5276 mono_mb_emit_stloc (mb, conv_arg);
5280 guint32 label1, label2, label3;
5281 int index_var, src_var, dest_ptr, esize;
5282 MonoMarshalNative encoding;
5283 MonoMarshalConv conv;
5284 gboolean is_string = FALSE;
5286 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5288 eklass = klass->element_class;
5290 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
5291 if (eklass == mono_defaults.string_class) {
5293 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
5295 else if (eklass == mono_defaults.stringbuilder_class) {
5297 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
5302 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5303 mono_mb_emit_ldarg (mb, argnum);
5305 mono_mb_emit_byte (mb, CEE_LDIND_I);
5306 mono_mb_emit_stloc (mb, src_var);
5309 mono_mb_emit_ldloc (mb, src_var);
5310 mono_mb_emit_stloc (mb, conv_arg);
5311 mono_mb_emit_ldloc (mb, src_var);
5312 mono_mb_emit_byte (mb, CEE_BRFALSE);
5314 mono_mb_emit_i4 (mb, 0);
5318 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
5319 MonoException *exc = mono_get_exception_not_implemented (msg);
5322 mono_raise_exception (exc);
5327 esize = sizeof (gpointer);
5329 esize = mono_class_native_size (eklass, NULL);
5331 /* allocate space for the native struct and store the address */
5332 mono_mb_emit_icon (mb, esize);
5333 mono_mb_emit_ldloc (mb, src_var);
5334 mono_mb_emit_byte (mb, CEE_LDLEN);
5336 if (eklass == mono_defaults.string_class) {
5337 /* Make the array bigger for the terminating null */
5338 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
5339 mono_mb_emit_byte (mb, CEE_ADD);
5341 mono_mb_emit_byte (mb, CEE_MUL);
5342 mono_mb_emit_byte (mb, CEE_PREFIX1);
5343 mono_mb_emit_byte (mb, CEE_LOCALLOC);
5344 mono_mb_emit_stloc (mb, conv_arg);
5346 mono_mb_emit_ldloc (mb, conv_arg);
5347 mono_mb_emit_stloc (mb, dest_ptr);
5349 /* Emit marshalling loop */
5350 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5351 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5352 mono_mb_emit_stloc (mb, index_var);
5354 mono_mb_emit_ldloc (mb, index_var);
5355 mono_mb_emit_ldloc (mb, src_var);
5356 mono_mb_emit_byte (mb, CEE_LDLEN);
5357 mono_mb_emit_byte (mb, CEE_BGE);
5359 mono_mb_emit_i4 (mb, 0);
5361 /* Emit marshalling code */
5364 mono_mb_emit_ldloc (mb, dest_ptr);
5365 mono_mb_emit_ldloc (mb, src_var);
5366 mono_mb_emit_ldloc (mb, index_var);
5367 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5368 mono_mb_emit_icall (mb, conv_to_icall (conv));
5369 mono_mb_emit_byte (mb, CEE_STIND_I);
5372 /* set the src_ptr */
5373 mono_mb_emit_ldloc (mb, src_var);
5374 mono_mb_emit_ldloc (mb, index_var);
5375 mono_mb_emit_byte (mb, CEE_LDELEMA);
5376 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5377 mono_mb_emit_byte (mb, CEE_STLOC_0);
5380 mono_mb_emit_ldloc (mb, dest_ptr);
5381 mono_mb_emit_byte (mb, CEE_STLOC_1);
5383 /* emit valuetype conversion code */
5384 emit_struct_conv (mb, eklass, FALSE);
5387 mono_mb_emit_add_to_local (mb, index_var, 1);
5388 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
5390 mono_mb_emit_byte (mb, CEE_BR);
5391 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5393 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5395 if (eklass == mono_defaults.string_class) {
5396 /* Null terminate */
5397 mono_mb_emit_ldloc (mb, dest_ptr);
5398 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5399 mono_mb_emit_byte (mb, CEE_STIND_REF);
5402 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5407 case MARSHAL_ACTION_CONV_OUT:
5408 /* Character arrays are implicitly marshalled as [Out] */
5409 need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
5410 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
5413 if (need_convert || need_free) {
5414 /* FIXME: Optimize blittable case */
5416 guint32 label1, label2, label3;
5417 int index_var, src_ptr, loc, esize;
5419 eklass = klass->element_class;
5420 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
5421 esize = sizeof (gpointer);
5423 esize = mono_class_native_size (eklass, NULL);
5424 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5425 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5428 mono_mb_emit_ldarg (mb, argnum);
5430 mono_mb_emit_byte (mb, CEE_LDIND_I);
5431 mono_mb_emit_byte (mb, CEE_BRFALSE);
5433 mono_mb_emit_i4 (mb, 0);
5435 mono_mb_emit_ldloc (mb, conv_arg);
5436 mono_mb_emit_stloc (mb, src_ptr);
5438 /* Emit marshalling loop */
5439 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5440 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
5441 mono_mb_emit_stloc (mb, index_var);
5443 mono_mb_emit_ldloc (mb, index_var);
5444 mono_mb_emit_ldarg (mb, argnum);
5446 mono_mb_emit_byte (mb, CEE_LDIND_I);
5447 mono_mb_emit_byte (mb, CEE_LDLEN);
5448 mono_mb_emit_byte (mb, CEE_BGE);
5450 mono_mb_emit_i4 (mb, 0);
5452 /* Emit marshalling code */
5454 if (eklass == mono_defaults.stringbuilder_class) {
5455 gboolean need_free2;
5456 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
5458 g_assert (conv != -1);
5461 mono_mb_emit_ldarg (mb, argnum);
5463 mono_mb_emit_byte (mb, CEE_LDIND_I);
5464 mono_mb_emit_ldloc (mb, index_var);
5465 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
5468 mono_mb_emit_ldloc (mb, src_ptr);
5469 mono_mb_emit_byte (mb, CEE_LDIND_I);
5471 mono_mb_emit_icall (mb, conv_to_icall (conv));
5475 mono_mb_emit_ldloc (mb, src_ptr);
5476 mono_mb_emit_byte (mb, CEE_LDIND_I);
5478 mono_mb_emit_icall (mb, mono_marshal_free);
5481 else if (eklass == mono_defaults.string_class) {
5484 mono_mb_emit_ldloc (mb, src_ptr);
5485 mono_mb_emit_byte (mb, CEE_LDIND_I);
5487 mono_mb_emit_icall (mb, mono_marshal_free);
5492 /* set the src_ptr */
5493 mono_mb_emit_ldloc (mb, src_ptr);
5494 mono_mb_emit_byte (mb, CEE_STLOC_0);
5497 mono_mb_emit_ldarg (mb, argnum);
5499 mono_mb_emit_byte (mb, CEE_LDIND_I);
5500 mono_mb_emit_ldloc (mb, index_var);
5501 mono_mb_emit_byte (mb, CEE_LDELEMA);
5502 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
5503 mono_mb_emit_byte (mb, CEE_STLOC_1);
5505 /* emit valuetype conversion code */
5506 emit_struct_conv (mb, eklass, TRUE);
5510 mono_mb_emit_ldloc (mb, src_ptr);
5511 mono_mb_emit_stloc (mb, loc);
5512 mono_mb_emit_ldloc (mb, loc);
5514 emit_struct_free (mb, eklass, loc);
5518 mono_mb_emit_add_to_local (mb, index_var, 1);
5519 mono_mb_emit_add_to_local (mb, src_ptr, esize);
5521 mono_mb_emit_byte (mb, CEE_BR);
5522 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
5524 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
5525 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
5529 case MARSHAL_ACTION_CONV_RESULT:
5530 /* fixme: we need conversions here */
5531 mono_mb_emit_byte (mb, CEE_STLOC_3);
5534 g_assert_not_reached ();
5541 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
5542 MonoMarshalSpec *spec,
5543 int conv_arg, MonoType **conv_arg_type,
5544 MarshalAction action)
5546 MonoMethodBuilder *mb = m->mb;
5549 case MARSHAL_ACTION_CONV_IN: {
5550 MonoType *local_type;
5551 int variant_bool = 0;
5555 local_type = &mono_defaults.int32_class->byval_arg;
5557 switch (spec->native) {
5558 case MONO_NATIVE_I1:
5559 local_type = &mono_defaults.byte_class->byval_arg;
5561 case MONO_NATIVE_VARIANTBOOL:
5562 local_type = &mono_defaults.int16_class->byval_arg;
5566 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
5567 local_type = &mono_defaults.int32_class->byval_arg;
5571 *conv_arg_type = &mono_defaults.int_class->byval_arg;
5572 conv_arg = mono_mb_add_local (mb, local_type);
5573 mono_mb_emit_ldarg (mb, argnum);
5574 mono_mb_emit_byte (mb, CEE_LDIND_I1);
5576 mono_mb_emit_byte (mb, CEE_NEG);
5577 mono_mb_emit_stloc (mb, conv_arg);
5581 case MARSHAL_ACTION_CONV_RESULT:
5582 /* maybe we need to make sure that it fits within 8 bits */
5583 mono_mb_emit_byte (mb, CEE_STLOC_3);
5587 g_assert_not_reached ();
5594 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
5595 MonoMarshalSpec *spec, int conv_arg,
5596 MonoType **conv_arg_type, MarshalAction action)
5598 /* Ensure that we have marshalling info for this param */
5599 mono_marshal_load_type_info (mono_class_from_mono_type (t));
5601 if (spec && spec->native == MONO_NATIVE_CUSTOM)
5602 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5604 if (spec && spec->native == MONO_NATIVE_ASANY)
5605 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5608 case MONO_TYPE_VALUETYPE:
5609 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5610 case MONO_TYPE_STRING:
5611 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5612 case MONO_TYPE_CLASS:
5613 case MONO_TYPE_OBJECT:
5614 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5615 case MONO_TYPE_ARRAY:
5616 case MONO_TYPE_SZARRAY:
5617 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5618 case MONO_TYPE_BOOLEAN:
5619 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
5626 * mono_marshal_get_native_wrapper:
5627 * @method: The MonoMethod to wrap.
5629 * generates IL code for the pinvoke wrapper (the generated method
5630 * calls the unmanaged code in piinfo->addr)
5633 mono_marshal_get_native_wrapper (MonoMethod *method)
5635 EmitMarshalContext m;
5636 MonoMethodSignature *sig, *csig;
5637 MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
5638 MonoMethodBuilder *mb;
5639 MonoMarshalSpec **mspecs;
5643 gboolean pinvoke = FALSE;
5644 int i, argnum, *tmp_locals;
5646 const char *exc_class = "MissingMethodException";
5647 const char *exc_arg = NULL;
5649 g_assert (method != NULL);
5650 g_assert (mono_method_signature (method)->pinvoke);
5652 cache = method->klass->image->native_wrapper_cache;
5653 if ((res = mono_marshal_find_in_cache (cache, method)))
5656 sig = mono_method_signature (method);
5658 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
5659 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
5662 if (!piinfo->addr) {
5664 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
5666 piinfo->addr = mono_lookup_internal_call (method);
5669 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
5671 mb->method->save_lmf = 1;
5673 if (!piinfo->addr) {
5674 mono_mb_emit_exception (mb, exc_class, exc_arg);
5675 csig = mono_metadata_signature_dup (sig);
5677 res = mono_mb_create_and_cache (cache, method,
5678 mb, csig, csig->param_count + 16);
5686 /* internal calls: we simply push all arguments and call the method (no conversions) */
5687 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
5689 /* hack - string constructors returns a value */
5690 if (method->string_ctor) {
5691 csig = mono_metadata_signature_dup (sig);
5692 csig->ret = &mono_defaults.string_class->byval_arg;
5697 mono_mb_emit_byte (mb, CEE_LDARG_0);
5699 for (i = 0; i < sig->param_count; i++)
5700 mono_mb_emit_ldarg (mb, i + sig->hasthis);
5702 g_assert (piinfo->addr);
5703 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5704 emit_thread_interrupt_checkpoint (mb);
5705 mono_mb_emit_byte (mb, CEE_RET);
5707 csig = mono_metadata_signature_dup (csig);
5709 res = mono_mb_create_and_cache (cache, method,
5710 mb, csig, csig->param_count + 16);
5717 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
5718 mono_method_get_marshal_info (method, mspecs);
5720 /* pinvoke: we need to convert the arguments if necessary */
5722 /* we copy the signature, so that we can set pinvoke to 0 */
5723 csig = mono_metadata_signature_dup (sig);
5726 /* we allocate local for use with emit_struct_conv() */
5727 /* allocate local 0 (pointer) src_ptr */
5728 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5729 /* allocate local 1 (pointer) dst_ptr */
5730 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5731 /* allocate local 2 (boolean) delete_old */
5732 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5734 /* delete_old = FALSE */
5735 mono_mb_emit_icon (mb, 0);
5736 mono_mb_emit_byte (mb, CEE_STLOC_2);
5738 if (!MONO_TYPE_IS_VOID(sig->ret)) {
5739 /* allocate local 3 to store the return value */
5740 mono_mb_add_local (mb, sig->ret);
5743 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
5744 /* Return type custom marshaling */
5746 * Since we can't determine the return type of the unmanaged function,
5747 * we assume it returns a pointer, and pass that pointer to
5748 * MarshalNativeToManaged.
5750 csig->ret = &mono_defaults.int_class->byval_arg;
5753 /* we first do all conversions */
5754 tmp_locals = alloca (sizeof (int) * sig->param_count);
5755 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
5757 for (i = 0; i < sig->param_count; i ++) {
5758 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
5761 /* push all arguments */
5764 mono_mb_emit_byte (mb, CEE_LDARG_0);
5766 for (i = 0; i < sig->param_count; i++) {
5767 MonoType *t = sig->params [i];
5768 MonoMarshalSpec *spec = mspecs [i + 1];
5770 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
5771 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5773 argnum = i + sig->hasthis;
5776 case MONO_TYPE_BOOLEAN:
5778 g_assert (tmp_locals [i]);
5779 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5781 mono_mb_emit_ldarg (mb, argnum);
5796 mono_mb_emit_ldarg (mb, argnum);
5798 case MONO_TYPE_VALUETYPE:
5799 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
5801 case MONO_TYPE_STRING:
5802 case MONO_TYPE_CLASS:
5803 case MONO_TYPE_OBJECT:
5804 case MONO_TYPE_ARRAY:
5805 case MONO_TYPE_SZARRAY:
5806 g_assert (tmp_locals [i]);
5808 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
5810 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5812 case MONO_TYPE_CHAR:
5813 /* fixme: dont know how to marshal that. We cant simply
5814 * convert it to a one byte UTF8 character, because an
5815 * unicode character may need more that one byte in UTF8 */
5816 mono_mb_emit_ldarg (mb, argnum);
5818 case MONO_TYPE_TYPEDBYREF:
5819 case MONO_TYPE_FNPTR:
5821 g_warning ("type 0x%02x unknown", t->type);
5822 g_assert_not_reached ();
5827 /* call the native method */
5828 mono_mb_emit_native_call (mb, csig, piinfo->addr);
5830 /* Set LastError if needed */
5831 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
5832 MonoMethodSignature *lasterr_sig;
5834 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
5835 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
5836 lasterr_sig->pinvoke = 1;
5838 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
5841 /* convert the result */
5842 if (!sig->ret->byref) {
5843 MonoMarshalSpec *spec = mspecs [0];
5844 type = sig->ret->type;
5846 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
5847 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5852 case MONO_TYPE_VOID:
5867 /* no conversions necessary */
5868 mono_mb_emit_byte (mb, CEE_STLOC_3);
5870 case MONO_TYPE_VALUETYPE:
5871 klass = sig->ret->data.klass;
5872 if (klass->enumtype) {
5873 type = sig->ret->data.klass->enum_basetype->type;
5876 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5878 case MONO_TYPE_STRING:
5879 case MONO_TYPE_CLASS:
5880 case MONO_TYPE_OBJECT:
5881 case MONO_TYPE_BOOLEAN:
5882 case MONO_TYPE_ARRAY:
5883 case MONO_TYPE_SZARRAY:
5884 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
5886 case MONO_TYPE_CHAR:
5887 /* fixme: we need conversions here */
5888 mono_mb_emit_byte (mb, CEE_STLOC_3);
5890 case MONO_TYPE_TYPEDBYREF:
5891 case MONO_TYPE_FNPTR:
5893 g_warning ("return type 0x%02x unknown", sig->ret->type);
5894 g_assert_not_reached ();
5898 mono_mb_emit_byte (mb, CEE_STLOC_3);
5902 * Need to call this after converting the result since MONO_VTADDR needs
5903 * to be adjacent to the call instruction.
5905 emit_thread_interrupt_checkpoint (mb);
5907 /* we need to convert byref arguments back and free string arrays */
5908 for (i = 0; i < sig->param_count; i++) {
5909 MonoType *t = sig->params [i];
5910 MonoMarshalSpec *spec = mspecs [i + 1];
5912 argnum = i + sig->hasthis;
5914 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
5915 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5920 case MONO_TYPE_STRING:
5921 case MONO_TYPE_VALUETYPE:
5922 case MONO_TYPE_CLASS:
5923 case MONO_TYPE_OBJECT:
5924 case MONO_TYPE_SZARRAY:
5925 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
5927 case MONO_TYPE_BOOLEAN:
5930 mono_mb_emit_ldarg (mb, argnum);
5931 mono_mb_emit_ldloc (mb, tmp_locals [i]);
5932 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
5933 mono_mb_emit_byte (mb, CEE_NEG);
5934 mono_mb_emit_byte (mb, CEE_STIND_I1);
5938 if (!MONO_TYPE_IS_VOID(sig->ret))
5939 mono_mb_emit_byte (mb, CEE_LDLOC_3);
5941 mono_mb_emit_byte (mb, CEE_RET);
5943 csig = mono_metadata_signature_dup (sig);
5945 res = mono_mb_create_and_cache (cache, method,
5946 mb, csig, csig->param_count + 16);
5949 for (i = sig->param_count; i >= 0; i--)
5950 g_free (mspecs [i]);
5953 /* 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)); */
5959 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
5961 static MonoReflectionType *
5962 type_from_handle (MonoType *handle)
5964 MonoDomain *domain = mono_domain_get ();
5965 MonoClass *klass = mono_class_from_mono_type (handle);
5967 MONO_ARCH_SAVE_REGS;
5969 mono_class_init (klass);
5970 return mono_type_get_object (domain, handle);
5974 * mono_marshal_get_isinst:
5975 * @klass: the type of the field
5977 * This method generates a function which can be used to check if an object is
5978 * an instance of the given type, icluding the case where the object is a proxy.
5979 * The generated function has the following signature:
5980 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
5983 mono_marshal_get_isinst (MonoClass *klass)
5985 static MonoMethodSignature *isint_sig = NULL;
5986 static GHashTable *isinst_hash = NULL;
5988 int pos_was_ok, pos_failed, pos_end, pos_end2;
5990 MonoMethodBuilder *mb;
5992 EnterCriticalSection (&marshal_mutex);
5994 isinst_hash = g_hash_table_new (NULL, NULL);
5996 res = g_hash_table_lookup (isinst_hash, klass);
5997 LeaveCriticalSection (&marshal_mutex);
6002 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6003 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6004 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6005 isint_sig->pinvoke = 0;
6008 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
6009 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
6012 mb->method->save_lmf = 1;
6014 /* check if the object is a proxy that needs special cast */
6015 mono_mb_emit_ldarg (mb, 0);
6016 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6017 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
6018 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6020 /* The result of MONO_ISINST can be:
6021 0) the type check succeeded
6022 1) the type check did not succeed
6023 2) a CanCastTo call is needed */
6025 mono_mb_emit_byte (mb, CEE_DUP);
6026 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6028 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
6029 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
6031 /* get the real proxy from the transparent proxy*/
6033 mono_mb_emit_ldarg (mb, 0);
6034 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6035 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6039 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6040 mono_mb_emit_byte (mb, CEE_LDNULL);
6041 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
6045 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6046 mono_mb_emit_byte (mb, CEE_POP);
6047 mono_mb_emit_ldarg (mb, 0);
6051 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6052 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
6053 mono_mb_emit_byte (mb, CEE_RET);
6055 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6062 * mono_marshal_get_castclass:
6063 * @klass: the type of the field
6065 * This method generates a function which can be used to cast an object to
6066 * an instance of the given type, icluding the case where the object is a proxy.
6067 * The generated function has the following signature:
6068 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
6071 mono_marshal_get_castclass (MonoClass *klass)
6073 static MonoMethodSignature *castclass_sig = NULL;
6074 static GHashTable *castclass_hash = NULL;
6076 int pos_was_ok, pos_was_ok2;
6078 MonoMethodBuilder *mb;
6080 EnterCriticalSection (&marshal_mutex);
6081 if (!castclass_hash)
6082 castclass_hash = g_hash_table_new (NULL, NULL);
6084 res = g_hash_table_lookup (castclass_hash, klass);
6085 LeaveCriticalSection (&marshal_mutex);
6089 if (!castclass_sig) {
6090 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6091 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
6092 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
6093 castclass_sig->pinvoke = 0;
6096 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
6097 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
6100 mb->method->save_lmf = 1;
6102 /* check if the object is a proxy that needs special cast */
6103 mono_mb_emit_ldarg (mb, 0);
6104 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6105 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
6106 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
6108 /* The result of MONO_ISINST can be:
6109 0) the cast is valid
6110 1) cast of unknown proxy type
6111 or an exception if the cast is is invalid
6114 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
6116 /* get the real proxy from the transparent proxy*/
6118 mono_mb_emit_ldarg (mb, 0);
6119 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
6120 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6123 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
6126 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
6127 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
6128 mono_mb_emit_ldarg (mb, 0);
6131 mono_mb_emit_byte (mb, CEE_RET);
6133 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
6140 mono_marshal_get_proxy_cancast (MonoClass *klass)
6142 static MonoMethodSignature *from_handle_sig = NULL;
6143 static MonoMethodSignature *upgrade_proxy_sig = NULL;
6144 static MonoMethodSignature *isint_sig = NULL;
6145 static GHashTable *proxy_isinst_hash = NULL;
6147 int pos_failed, pos_end;
6149 MonoMethod *can_cast_to;
6150 MonoMethodDesc *desc;
6151 MonoMethodBuilder *mb;
6153 EnterCriticalSection (&marshal_mutex);
6154 if (!proxy_isinst_hash)
6155 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
6157 res = g_hash_table_lookup (proxy_isinst_hash, klass);
6158 LeaveCriticalSection (&marshal_mutex);
6163 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
6164 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
6165 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
6166 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
6167 upgrade_proxy_sig->pinvoke = 1;
6169 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6170 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6171 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6173 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6174 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
6175 isint_sig->ret = &mono_defaults.object_class->byval_arg;
6176 isint_sig->pinvoke = 0;
6179 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
6180 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
6183 mb->method->save_lmf = 1;
6185 /* get the real proxy from the transparent proxy*/
6186 mono_mb_emit_ldarg (mb, 0);
6187 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
6188 mono_mb_emit_byte (mb, CEE_LDIND_I);
6190 /* get the refletion type from the type handle */
6191 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6192 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6193 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6194 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6196 mono_mb_emit_ldarg (mb, 0);
6198 /* make the call to CanCastTo (type, ob) */
6199 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
6200 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
6201 g_assert (can_cast_to);
6202 mono_method_desc_free (desc);
6203 mono_mb_emit_byte (mb, CEE_CALLVIRT);
6204 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
6207 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
6209 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
6210 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6211 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6212 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
6213 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6214 mono_mb_emit_ldarg (mb, 0);
6216 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
6217 emit_thread_interrupt_checkpoint (mb);
6219 mono_mb_emit_ldarg (mb, 0);
6220 pos_end = mono_mb_emit_branch (mb, CEE_BR);
6224 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
6225 mono_mb_emit_byte (mb, CEE_LDNULL);
6229 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
6230 mono_mb_emit_byte (mb, CEE_RET);
6232 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
6239 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
6242 MonoDomain *domain = ((MonoObject*)tproxy)->vtable->domain;
6243 klass = mono_class_from_mono_type (rtype->type);
6244 mono_upgrade_remote_class (domain, tproxy->remote_class, klass);
6245 ((MonoObject*)tproxy)->vtable = mono_remote_class_vtable (domain, tproxy->remote_class, tproxy->rp);
6249 * mono_marshal_get_struct_to_ptr:
6252 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
6255 mono_marshal_get_struct_to_ptr (MonoClass *klass)
6257 MonoMethodBuilder *mb;
6258 static MonoMethod *stoptr = NULL;
6261 g_assert (klass != NULL);
6263 mono_marshal_load_type_info (klass);
6265 if (klass->marshal_info->str_to_ptr)
6266 return klass->marshal_info->str_to_ptr;
6269 stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
6272 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
6274 if (klass->blittable) {
6275 mono_mb_emit_byte (mb, CEE_LDARG_1);
6276 mono_mb_emit_byte (mb, CEE_LDARG_0);
6277 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6278 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6279 mono_mb_emit_byte (mb, CEE_PREFIX1);
6280 mono_mb_emit_byte (mb, CEE_CPBLK);
6283 /* allocate local 0 (pointer) src_ptr */
6284 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6285 /* allocate local 1 (pointer) dst_ptr */
6286 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6287 /* allocate local 2 (boolean) delete_old */
6288 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
6289 mono_mb_emit_byte (mb, CEE_LDARG_2);
6290 mono_mb_emit_byte (mb, CEE_STLOC_2);
6292 /* initialize src_ptr to point to the start of object data */
6293 mono_mb_emit_byte (mb, CEE_LDARG_0);
6294 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6295 mono_mb_emit_byte (mb, CEE_STLOC_0);
6297 /* initialize dst_ptr */
6298 mono_mb_emit_byte (mb, CEE_LDARG_1);
6299 mono_mb_emit_byte (mb, CEE_STLOC_1);
6301 emit_struct_conv (mb, klass, FALSE);
6304 mono_mb_emit_byte (mb, CEE_RET);
6306 res = mono_mb_create_method (mb, mono_method_signature (stoptr), 0);
6309 klass->marshal_info->str_to_ptr = res;
6314 * mono_marshal_get_ptr_to_struct:
6317 * generates IL code for PtrToStructure (IntPtr src, object structure)
6320 mono_marshal_get_ptr_to_struct (MonoClass *klass)
6322 MonoMethodBuilder *mb;
6323 static MonoMethod *ptostr = NULL;
6326 g_assert (klass != NULL);
6328 mono_marshal_load_type_info (klass);
6330 if (klass->marshal_info->ptr_to_str)
6331 return klass->marshal_info->ptr_to_str;
6334 ptostr = mono_class_get_method_from_name (mono_defaults.marshal_class, "PtrToStructure", 2);
6337 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
6339 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
6340 mono_mb_emit_byte (mb, CEE_LDARG_1);
6341 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6342 mono_mb_emit_byte (mb, CEE_LDARG_0);
6343 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
6344 mono_mb_emit_byte (mb, CEE_PREFIX1);
6345 mono_mb_emit_byte (mb, CEE_CPBLK);
6348 /* allocate local 0 (pointer) src_ptr */
6349 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6350 /* allocate local 1 (pointer) dst_ptr */
6351 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6353 /* initialize src_ptr to point to the start of object data */
6354 mono_mb_emit_byte (mb, CEE_LDARG_0);
6355 mono_mb_emit_byte (mb, CEE_STLOC_0);
6357 /* initialize dst_ptr */
6358 mono_mb_emit_byte (mb, CEE_LDARG_1);
6359 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
6360 mono_mb_emit_byte (mb, CEE_STLOC_1);
6362 emit_struct_conv (mb, klass, TRUE);
6365 mono_mb_emit_byte (mb, CEE_RET);
6367 res = mono_mb_create_method (mb, mono_method_signature (ptostr), 0);
6370 klass->marshal_info->ptr_to_str = res;
6375 * generates IL code for the synchronized wrapper: the generated method
6376 * calls METHOD while locking 'this' or the parent type.
6379 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
6381 static MonoMethodSignature *from_handle_sig = NULL;
6382 static MonoMethod *enter_method, *exit_method;
6383 MonoMethodSignature *sig;
6384 MonoExceptionClause *clause;
6385 MonoMethodHeader *header;
6386 MonoMethodBuilder *mb;
6389 int i, pos, this_local, ret_local = 0;
6393 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
6396 cache = method->klass->image->synchronized_cache;
6397 if ((res = mono_marshal_find_in_cache (cache, method)))
6400 sig = signature_no_pinvoke (mono_method_signature (method));
6402 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
6405 if (!MONO_TYPE_IS_VOID (sig->ret))
6406 ret_local = mono_mb_add_local (mb, sig->ret);
6409 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
6411 clause = g_new0 (MonoExceptionClause, 1);
6412 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
6414 if (!enter_method) {
6415 MonoMethodDesc *desc;
6417 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
6418 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6419 g_assert (enter_method);
6420 mono_method_desc_free (desc);
6421 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
6422 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
6423 g_assert (exit_method);
6424 mono_method_desc_free (desc);
6427 * GetTypeFromHandle isn't called as a managed method because it has
6428 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
6429 * transformed into something else by the JIT.
6431 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
6432 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
6433 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
6436 /* Push this or the type object */
6437 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
6438 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
6439 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
6440 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
6441 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
6444 mono_mb_emit_ldarg (mb, 0);
6445 mono_mb_emit_stloc (mb, this_local);
6447 /* Call Monitor::Enter() */
6448 mono_mb_emit_ldloc (mb, this_local);
6449 mono_mb_emit_managed_call (mb, enter_method, NULL);
6451 clause->try_offset = mb->pos;
6453 /* Call the method */
6455 mono_mb_emit_ldarg (mb, 0);
6456 for (i = 0; i < sig->param_count; i++)
6457 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
6459 /* this is needed to avoid recursion */
6460 mono_mb_emit_byte (mb, CEE_PREFIX1);
6461 mono_mb_emit_byte (mb, CEE_LDFTN);
6462 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
6463 mono_mb_emit_calli (mb, mono_method_signature (method));
6465 if (!MONO_TYPE_IS_VOID (sig->ret))
6466 mono_mb_emit_stloc (mb, ret_local);
6468 mono_mb_emit_byte (mb, CEE_LEAVE);
6470 mono_mb_emit_i4 (mb, 0);
6472 clause->try_len = mb->pos - clause->try_offset;
6473 clause->handler_offset = mb->pos;
6475 /* Call Monitor::Exit() */
6476 mono_mb_emit_ldloc (mb, this_local);
6477 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
6478 mono_mb_emit_managed_call (mb, exit_method, NULL);
6479 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
6481 clause->handler_len = mb->pos - clause->handler_offset;
6483 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
6484 if (!MONO_TYPE_IS_VOID (sig->ret))
6485 mono_mb_emit_ldloc (mb, ret_local);
6486 mono_mb_emit_byte (mb, CEE_RET);
6488 res = mono_mb_create_and_cache (cache, method,
6489 mb, sig, sig->param_count + 16);
6492 header = ((MonoMethodNormal *)res)->header;
6493 header->num_clauses = 1;
6494 header->clauses = clause;
6501 * the returned method calls 'method' unboxing the this argument
6504 mono_marshal_get_unbox_wrapper (MonoMethod *method)
6506 MonoMethodSignature *sig = mono_method_signature (method);
6508 MonoMethodBuilder *mb;
6512 cache = method->klass->image->unbox_wrapper_cache;
6513 if ((res = mono_marshal_find_in_cache (cache, method)))
6516 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
6518 g_assert (sig->hasthis);
6520 mono_mb_emit_ldarg (mb, 0);
6521 mono_mb_emit_icon (mb, sizeof (MonoObject));
6522 mono_mb_emit_byte (mb, CEE_ADD);
6523 for (i = 0; i < sig->param_count; ++i)
6524 mono_mb_emit_ldarg (mb, i + 1);
6525 mono_mb_emit_managed_call (mb, method, NULL);
6526 mono_mb_emit_byte (mb, CEE_RET);
6528 res = mono_mb_create_and_cache (cache, method,
6529 mb, sig, sig->param_count + 16);
6532 /* 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)); */
6538 mono_marshal_get_stelemref ()
6540 static MonoMethod* ret = NULL;
6541 MonoMethodSignature *sig;
6542 MonoMethodBuilder *mb;
6544 guint32 b1, b2, b3, b4;
6547 int array_slot_addr;
6552 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
6555 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
6557 /* void stelemref (void* array, int idx, void* value) */
6558 sig->ret = &mono_defaults.void_class->byval_arg;
6559 sig->params [0] = &mono_defaults.object_class->byval_arg;
6560 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
6561 sig->params [2] = &mono_defaults.object_class->byval_arg;
6563 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6564 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
6565 array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
6569 <ldelema (bound check)>
6573 aklass = array->vtable->klass->element_class;
6574 vklass = value->vtable->klass;
6576 if (vklass->idepth < aklass->idepth)
6579 if (vklass->supertypes [aklass->idepth - 1] != aklass)
6583 *array_slot_addr = value;
6587 if (mono_object_isinst (value, aklass))
6590 throw new ArrayTypeMismatchException ();
6593 /* ldelema (implicit bound check) */
6594 mono_mb_emit_ldarg (mb, 0);
6595 mono_mb_emit_ldarg (mb, 1);
6596 mono_mb_emit_byte (mb, CEE_LDELEMA);
6597 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.object_class));
6598 mono_mb_emit_stloc (mb, array_slot_addr);
6600 /* if (!value) goto do_store */
6601 mono_mb_emit_ldarg (mb, 2);
6602 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
6604 /* aklass = array->vtable->klass->element_class */
6605 mono_mb_emit_ldarg (mb, 0);
6606 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6607 mono_mb_emit_byte (mb, CEE_LDIND_I);
6608 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6609 mono_mb_emit_byte (mb, CEE_LDIND_I);
6610 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
6611 mono_mb_emit_byte (mb, CEE_LDIND_I);
6612 mono_mb_emit_stloc (mb, aklass);
6614 /* vklass = value->vtable->klass */
6615 mono_mb_emit_ldarg (mb, 2);
6616 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
6617 mono_mb_emit_byte (mb, CEE_LDIND_I);
6618 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
6619 mono_mb_emit_byte (mb, CEE_LDIND_I);
6620 mono_mb_emit_stloc (mb, vklass);
6622 /* if (vklass->idepth < aklass->idepth) goto failue */
6623 mono_mb_emit_ldloc (mb, vklass);
6624 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6625 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6627 mono_mb_emit_ldloc (mb, aklass);
6628 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6629 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6631 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
6633 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
6634 mono_mb_emit_ldloc (mb, vklass);
6635 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
6636 mono_mb_emit_byte (mb, CEE_LDIND_I);
6638 mono_mb_emit_ldloc (mb, aklass);
6639 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
6640 mono_mb_emit_byte (mb, CEE_LDIND_U2);
6641 mono_mb_emit_icon (mb, 1);
6642 mono_mb_emit_byte (mb, CEE_SUB);
6643 mono_mb_emit_icon (mb, sizeof (void*));
6644 mono_mb_emit_byte (mb, CEE_MUL);
6645 mono_mb_emit_byte (mb, CEE_ADD);
6646 mono_mb_emit_byte (mb, CEE_LDIND_I);
6648 mono_mb_emit_ldloc (mb, aklass);
6650 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
6654 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
6655 mono_mb_emit_ldloc (mb, array_slot_addr);
6656 mono_mb_emit_ldarg (mb, 2);
6657 mono_mb_emit_byte (mb, CEE_STIND_REF);
6659 mono_mb_emit_byte (mb, CEE_RET);
6662 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
6663 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
6665 mono_mb_emit_ldarg (mb, 2);
6666 mono_mb_emit_ldloc (mb, aklass);
6667 mono_mb_emit_icall (mb, mono_object_isinst);
6669 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
6670 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
6671 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
6673 mono_mb_emit_byte (mb, CEE_RET);
6674 ret = mono_mb_create_method (mb, sig, 4);
6680 mono_marshal_alloc (gulong size)
6684 #ifdef PLATFORM_WIN32
6685 res = CoTaskMemAlloc (size);
6687 res = g_try_malloc ((gulong)size);
6689 mono_gc_out_of_memory ((gulong)size);
6695 mono_marshal_free (gpointer ptr)
6697 #ifdef PLATFORM_WIN32
6698 CoTaskMemFree (ptr);
6705 mono_marshal_free_array (gpointer *ptr, int size)
6712 for (i = 0; i < size; i++)
6718 mono_marshal_realloc (gpointer ptr, gpointer size)
6720 MONO_ARCH_SAVE_REGS;
6722 return g_try_realloc (ptr, (gulong)size);
6726 mono_marshal_string_to_utf16 (MonoString *s)
6728 return s ? mono_string_chars (s) : NULL;
6732 * mono_marshal_set_last_error:
6734 * This function is invoked to set the last error value from a P/Invoke call
6735 * which has SetLastError set.
6738 mono_marshal_set_last_error (void)
6741 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
6743 TlsSetValue (last_error_tls_id, GINT_TO_POINTER (errno));
6748 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
6749 gpointer dest, gint32 length)
6754 MONO_ARCH_SAVE_REGS;
6756 MONO_CHECK_ARG_NULL (src);
6757 MONO_CHECK_ARG_NULL (dest);
6759 g_assert (src->obj.vtable->klass->rank == 1);
6760 g_assert (start_index >= 0);
6761 g_assert (length >= 0);
6762 g_assert (start_index + length <= mono_array_length (src));
6764 element_size = mono_array_element_size (src->obj.vtable->klass);
6766 source_addr = mono_array_addr_with_size (src, element_size, start_index);
6768 memcpy (dest, source_addr, length * element_size);
6772 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
6773 MonoArray *dest, gint32 length)
6778 MONO_ARCH_SAVE_REGS;
6780 MONO_CHECK_ARG_NULL (src);
6781 MONO_CHECK_ARG_NULL (dest);
6783 g_assert (dest->obj.vtable->klass->rank == 1);
6784 g_assert (start_index >= 0);
6785 g_assert (length >= 0);
6786 g_assert (start_index + length <= mono_array_length (dest));
6788 element_size = mono_array_element_size (dest->obj.vtable->klass);
6790 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
6792 memcpy (dest_addr, src, length * element_size);
6795 #if NO_UNALIGNED_ACCESS
6796 #define RETURN_UNALIGNED(type, addr) \
6799 memcpy(&val, p + offset, sizeof(val)); \
6802 #define WRITE_UNALIGNED(type, addr, val) \
6803 memcpy(addr, &val, sizeof(type))
6805 #define RETURN_UNALIGNED(type, addr) \
6806 return *(type*)(p + offset);
6807 #define WRITE_UNALIGNED(type, addr, val) \
6808 (*(type *)(addr) = (val))
6812 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
6816 MONO_ARCH_SAVE_REGS;
6818 RETURN_UNALIGNED(gpointer, p + offset);
6822 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
6826 MONO_ARCH_SAVE_REGS;
6828 return *(unsigned char*)(p + offset);
6832 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
6836 MONO_ARCH_SAVE_REGS;
6838 RETURN_UNALIGNED(gint16, p + offset);
6842 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
6846 MONO_ARCH_SAVE_REGS;
6848 RETURN_UNALIGNED(gint32, p + offset);
6852 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
6856 MONO_ARCH_SAVE_REGS;
6858 RETURN_UNALIGNED(gint64, p + offset);
6862 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
6866 MONO_ARCH_SAVE_REGS;
6868 *(unsigned char*)(p + offset) = val;
6872 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
6876 MONO_ARCH_SAVE_REGS;
6878 WRITE_UNALIGNED(gpointer, p + offset, val);
6882 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
6886 MONO_ARCH_SAVE_REGS;
6888 WRITE_UNALIGNED(gint16, p + offset, val);
6892 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
6896 MONO_ARCH_SAVE_REGS;
6898 WRITE_UNALIGNED(gint32, p + offset, val);
6902 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
6906 MONO_ARCH_SAVE_REGS;
6908 WRITE_UNALIGNED(gint64, p + offset, val);
6912 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
6914 MONO_ARCH_SAVE_REGS;
6919 return mono_string_new (mono_domain_get (), ptr);
6923 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
6925 MONO_ARCH_SAVE_REGS;
6928 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6929 g_assert_not_reached ();
6932 return mono_string_new_len (mono_domain_get (), ptr, len);
6936 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
6938 MonoDomain *domain = mono_domain_get ();
6942 MONO_ARCH_SAVE_REGS;
6950 return mono_string_new_utf16 (domain, ptr, len);
6954 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
6956 MonoDomain *domain = mono_domain_get ();
6958 MONO_ARCH_SAVE_REGS;
6961 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
6962 g_assert_not_reached ();
6965 return mono_string_new_utf16 (domain, ptr, len);
6969 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
6971 MONO_ARCH_SAVE_REGS;
6973 g_warning ("PtrToStringBSTR not implemented");
6974 g_assert_not_reached ();
6980 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
6982 MONO_ARCH_SAVE_REGS;
6984 return (GPOINTER_TO_INT (TlsGetValue (last_error_tls_id)));
6988 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
6994 MONO_ARCH_SAVE_REGS;
6996 MONO_CHECK_ARG_NULL (rtype);
6999 klass = mono_class_from_mono_type (type);
7000 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
7002 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7006 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
7007 exc = mono_get_exception_argument ("t", msg);
7009 mono_raise_exception (exc);
7013 return mono_class_native_size (klass, NULL);
7017 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
7022 MONO_ARCH_SAVE_REGS;
7024 MONO_CHECK_ARG_NULL (obj);
7025 MONO_CHECK_ARG_NULL (dst);
7027 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
7031 pa [2] = &delete_old;
7033 mono_runtime_invoke (method, NULL, pa, NULL);
7037 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
7042 MONO_ARCH_SAVE_REGS;
7044 MONO_CHECK_ARG_NULL (src);
7045 MONO_CHECK_ARG_NULL (dst);
7047 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
7052 mono_runtime_invoke (method, NULL, pa, NULL);
7056 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
7058 MonoDomain *domain = mono_domain_get ();
7061 MONO_ARCH_SAVE_REGS;
7063 MONO_CHECK_ARG_NULL (src);
7064 MONO_CHECK_ARG_NULL (type);
7066 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
7068 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
7074 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
7076 MonoMarshalType *info;
7079 int i, match_index = -1;
7081 MONO_ARCH_SAVE_REGS;
7083 MONO_CHECK_ARG_NULL (type);
7084 MONO_CHECK_ARG_NULL (field_name);
7086 fname = mono_string_to_utf8 (field_name);
7087 klass = mono_class_from_mono_type (type->type);
7089 while (klass && match_index == -1) {
7090 for (i = 0; i < klass->field.count; ++i) {
7091 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
7097 if (match_index == -1)
7098 klass = klass->parent;
7103 if(match_index == -1) {
7107 /* Get back original class instance */
7108 klass = mono_class_from_mono_type (type->type);
7110 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
7111 exc = mono_get_exception_argument ("fieldName", tmp);
7114 mono_raise_exception ((MonoException*)exc);
7117 info = mono_marshal_load_type_info (klass);
7118 return info->fields [match_index].offset;
7122 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
7124 MONO_ARCH_SAVE_REGS;
7126 return mono_string_to_utf8 (string);
7130 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
7132 MONO_ARCH_SAVE_REGS;
7137 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
7141 mono_struct_delete_old (MonoClass *klass, char *ptr)
7143 MonoMarshalType *info;
7146 info = mono_marshal_load_type_info (klass);
7148 for (i = 0; i < info->num_fields; i++) {
7149 MonoMarshalNative ntype;
7150 MonoMarshalConv conv;
7151 MonoType *ftype = info->fields [i].field->type;
7154 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
7157 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
7158 klass->unicode, &conv);
7160 cpos = ptr + info->fields [i].offset;
7163 case MONO_MARSHAL_CONV_NONE:
7164 if (MONO_TYPE_ISSTRUCT (ftype)) {
7165 mono_struct_delete_old (ftype->data.klass, cpos);
7169 case MONO_MARSHAL_CONV_STR_LPWSTR:
7170 /* We assume this field points inside a MonoString */
7172 case MONO_MARSHAL_CONV_STR_LPSTR:
7173 case MONO_MARSHAL_CONV_STR_LPTSTR:
7174 case MONO_MARSHAL_CONV_STR_BSTR:
7175 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
7176 case MONO_MARSHAL_CONV_STR_TBSTR:
7177 mono_marshal_free (*(gpointer *)cpos);
7186 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
7190 MONO_ARCH_SAVE_REGS;
7192 MONO_CHECK_ARG_NULL (src);
7193 MONO_CHECK_ARG_NULL (type);
7195 klass = mono_class_from_mono_type (type->type);
7197 mono_struct_delete_old (klass, (char *)src);
7201 /* FIXME: on win32 we should probably use GlobalAlloc(). */
7203 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
7207 MONO_ARCH_SAVE_REGS;
7209 if ((gulong)size == 0)
7210 /* This returns a valid pointer for size 0 on MS.NET */
7213 res = g_try_malloc ((gulong)size);
7215 mono_gc_out_of_memory ((gulong)size);
7221 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
7223 MONO_ARCH_SAVE_REGS;
7229 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
7231 MONO_ARCH_SAVE_REGS;
7233 #ifdef PLATFORM_WIN32
7234 return CoTaskMemAlloc (size);
7236 return g_try_malloc ((gulong)size);
7241 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
7243 MONO_ARCH_SAVE_REGS;
7245 #ifdef PLATFORM_WIN32
7246 CoTaskMemFree (ptr);
7253 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
7255 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
7259 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
7261 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
7265 mono_marshal_load_type_info (MonoClass* klass)
7267 int i, j, count = 0, native_size = 0, min_align = 1;
7268 MonoMarshalType *info;
7271 g_assert (klass != NULL);
7273 if (klass->marshal_info)
7274 return klass->marshal_info;
7277 mono_class_init (klass);
7279 for (i = 0; i < klass->field.count; ++i) {
7280 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7282 if (mono_field_is_deleted (&klass->fields [i]))
7287 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
7289 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
7290 info->num_fields = count;
7292 /* Try to find a size for this type in metadata */
7293 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
7295 if (klass->parent) {
7296 int parent_size = mono_class_native_size (klass->parent, NULL);
7298 /* Add parent size to real size */
7299 native_size += parent_size;
7300 info->native_size = parent_size;
7303 for (j = i = 0; i < klass->field.count; ++i) {
7306 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
7309 if (mono_field_is_deleted (&klass->fields [i]))
7311 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
7312 mono_metadata_field_info (klass->image, klass->field.first + i,
7313 NULL, NULL, &info->fields [j].mspec);
7315 info->fields [j].field = &klass->fields [i];
7317 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
7318 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
7319 /* This field is a hack inserted by MCS to empty structures */
7324 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
7325 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
7326 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7327 &align, TRUE, klass->unicode);
7328 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7329 min_align = MAX (align, min_align);
7330 info->fields [j].offset = info->native_size;
7331 info->fields [j].offset += align - 1;
7332 info->fields [j].offset &= ~(align - 1);
7333 info->native_size = info->fields [j].offset + size;
7335 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
7336 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
7337 &align, TRUE, klass->unicode);
7338 align = klass->packing_size ? MIN (klass->packing_size, align): align;
7339 min_align = MAX (align, min_align);
7340 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
7341 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
7347 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
7348 info->native_size = MAX (native_size, info->native_size);
7351 if (info->native_size & (min_align - 1)) {
7352 info->native_size += min_align - 1;
7353 info->native_size &= ~(min_align - 1);
7356 /* Update the class's blittable info, if the layouts don't match */
7357 if (info->native_size != mono_class_value_size (klass, NULL))
7358 klass->blittable = FALSE;
7360 /* If this is an array type, ensure that we have element info */
7361 if (klass->element_class) {
7362 mono_marshal_load_type_info (klass->element_class);
7365 return klass->marshal_info;
7369 * mono_class_native_size:
7372 * Returns: the native size of an object instance (when marshaled
7373 * to unmanaged code)
7376 mono_class_native_size (MonoClass *klass, guint32 *align)
7378 if (!klass->marshal_info)
7379 mono_marshal_load_type_info (klass);
7382 *align = klass->min_align;
7384 return klass->marshal_info->native_size;
7388 * mono_type_native_stack_size:
7389 * @t: the type to return the size it uses on the stack
7391 * Returns: the number of bytes required to hold an instance of this
7392 * type on the native stack
7395 mono_type_native_stack_size (MonoType *t, gint *align)
7399 g_assert (t != NULL);
7410 case MONO_TYPE_BOOLEAN:
7411 case MONO_TYPE_CHAR:
7420 case MONO_TYPE_STRING:
7421 case MONO_TYPE_OBJECT:
7422 case MONO_TYPE_CLASS:
7423 case MONO_TYPE_SZARRAY:
7425 case MONO_TYPE_FNPTR:
7426 case MONO_TYPE_ARRAY:
7427 case MONO_TYPE_TYPEDBYREF:
7438 case MONO_TYPE_VALUETYPE: {
7441 if (t->data.klass->enumtype)
7442 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
7444 size = mono_class_native_size (t->data.klass, align);
7445 *align = *align + 3;
7455 g_error ("type 0x%02x unknown", t->type);
7460 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
7461 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
7462 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
7463 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
7466 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
7467 gboolean as_field, gboolean unicode)
7469 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
7472 switch (native_type) {
7473 case MONO_NATIVE_BOOLEAN:
7476 case MONO_NATIVE_I1:
7477 case MONO_NATIVE_U1:
7480 case MONO_NATIVE_I2:
7481 case MONO_NATIVE_U2:
7482 case MONO_NATIVE_VARIANTBOOL:
7485 case MONO_NATIVE_I4:
7486 case MONO_NATIVE_U4:
7487 case MONO_NATIVE_ERROR:
7490 case MONO_NATIVE_I8:
7491 case MONO_NATIVE_U8:
7492 *align = ALIGNMENT(guint64);
7494 case MONO_NATIVE_R4:
7497 case MONO_NATIVE_R8:
7498 *align = ALIGNMENT(double);
7500 case MONO_NATIVE_INT:
7501 case MONO_NATIVE_UINT:
7502 case MONO_NATIVE_LPSTR:
7503 case MONO_NATIVE_LPWSTR:
7504 case MONO_NATIVE_LPTSTR:
7505 case MONO_NATIVE_BSTR:
7506 case MONO_NATIVE_ANSIBSTR:
7507 case MONO_NATIVE_TBSTR:
7508 case MONO_NATIVE_LPARRAY:
7509 case MONO_NATIVE_SAFEARRAY:
7510 case MONO_NATIVE_IUNKNOWN:
7511 case MONO_NATIVE_IDISPATCH:
7512 case MONO_NATIVE_INTERFACE:
7513 case MONO_NATIVE_ASANY:
7514 case MONO_NATIVE_FUNC:
7515 case MONO_NATIVE_LPSTRUCT:
7516 *align = ALIGNMENT(gpointer);
7517 return sizeof (gpointer);
7518 case MONO_NATIVE_STRUCT:
7519 klass = mono_class_from_mono_type (type);
7520 return mono_class_native_size (klass, align);
7521 case MONO_NATIVE_BYVALTSTR: {
7522 int esize = unicode ? 2: 1;
7525 return mspec->data.array_data.num_elem * esize;
7527 case MONO_NATIVE_BYVALARRAY: {
7529 klass = mono_class_from_mono_type (type);
7530 esize = mono_class_native_size (klass->element_class, align);
7532 return mspec->data.array_data.num_elem * esize;
7534 case MONO_NATIVE_CUSTOM:
7535 g_assert_not_reached ();
7537 case MONO_NATIVE_CURRENCY:
7538 case MONO_NATIVE_VBBYREFSTR:
7540 g_error ("native type %02x not implemented", native_type);
7543 g_assert_not_reached ();
7548 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
7556 t = &o->vtable->klass->byval_arg;
7563 case MONO_TYPE_BOOLEAN:
7566 case MONO_TYPE_CHAR:
7571 return mono_object_unbox (o);
7573 case MONO_TYPE_STRING:
7574 switch (string_encoding) {
7575 case MONO_NATIVE_LPWSTR:
7576 return mono_string_to_utf16 ((MonoString*)o);
7578 case MONO_NATIVE_LPSTR:
7579 return mono_string_to_lpstr ((MonoString*)o);
7582 g_warning ("marshaling conversion %d not implemented", string_encoding);
7583 g_assert_not_reached ();
7586 case MONO_TYPE_CLASS:
7587 case MONO_TYPE_VALUETYPE: {
7591 MonoBoolean delete_old = FALSE;
7593 klass = t->data.klass;
7595 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
7598 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7599 klass->blittable || klass->enumtype)
7600 return mono_object_unbox (o);
7602 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
7604 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
7608 pa [2] = &delete_old;
7610 mono_runtime_invoke (method, NULL, pa, NULL);
7616 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
7622 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
7630 t = &o->vtable->klass->byval_arg;
7632 case MONO_TYPE_STRING:
7633 switch (string_encoding) {
7634 case MONO_NATIVE_LPWSTR:
7635 case MONO_NATIVE_LPSTR:
7636 mono_marshal_free (ptr);
7639 g_warning ("marshaling conversion %d not implemented", string_encoding);
7640 g_assert_not_reached ();
7643 case MONO_TYPE_CLASS:
7644 case MONO_TYPE_VALUETYPE: {
7645 klass = t->data.klass;
7647 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
7648 klass->blittable || klass->enumtype)
7651 mono_struct_delete_old (klass, ptr);
7653 mono_marshal_free (ptr);