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/monitor.h"
23 //#define DEBUG_RUNTIME_CODE
25 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
29 #include "mono/cil/opcode.def"
34 struct _MonoMethodBuilder {
38 guint32 code_size, pos;
43 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
46 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
48 MonoMethod *res = NULL;
51 for (i = 0; i < klass->method.count; ++i) {
52 if (klass->methods [i]->name[0] == name [0] &&
53 !strcmp (name, klass->methods [i]->name) &&
54 klass->methods [i]->signature->param_count == param_count) {
55 res = klass->methods [i];
62 #ifdef DEBUG_RUNTIME_CODE
64 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
66 return g_strdup (" ");
69 static MonoDisHelper marshal_dh = {
79 /* This mutex protects the various marshalling related caches in MonoImage */
80 static CRITICAL_SECTION marshal_mutex;
82 /* Maps wrapper methods to the methods they wrap */
83 static MonoGHashTable *wrapper_hash;
86 mono_marshal_init (void)
88 static gboolean module_initialized = FALSE;
90 if (!module_initialized) {
91 module_initialized = TRUE;
92 InitializeCriticalSection (&marshal_mutex);
93 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
98 mono_delegate_to_ftnptr (MonoDelegate *delegate)
100 MonoMethod *method, *wrapper, *invoke;
101 MonoMarshalSpec **mspecs;
108 if (delegate->delegate_trampoline)
109 return delegate->delegate_trampoline;
111 klass = ((MonoObject *)delegate)->vtable->klass;
112 g_assert (klass->delegate);
115 method = delegate->method_info->method;
116 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
118 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
119 mono_method_get_marshal_info (invoke, mspecs);
121 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
123 for (i = invoke->signature->param_count; i >= 0; i--)
127 delegate->delegate_trampoline = mono_compile_method (wrapper);
129 return delegate->delegate_trampoline;
133 mono_array_to_savearray (MonoArray *array)
138 g_assert_not_reached ();
143 mono_array_to_lparray (MonoArray *array)
148 /* fixme: maybe we need to make a copy */
149 return array->vector;
153 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
155 GError *error = NULL;
165 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
167 if (items_written > sb->capacity)
168 items_written = sb->capacity;
171 memcpy (sb->chars->vector, ut, items_written * 2);
172 sb->length = items_written;
174 g_error_free (error);
180 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
187 res = g_malloc (sb->capacity + 1);
189 /* fixme: copy the content of the string builder? */
196 mono_string_to_ansibstr (MonoString *string_obj)
198 g_error ("implement me");
203 mono_string_to_bstr (MonoString *string_obj)
205 g_error ("implement me");
210 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
215 g_assert (dst != NULL);
218 memset (dst, 0, size);
223 s = mono_string_to_utf8 (src);
224 len = MIN (size, strlen (s));
225 memcpy (dst, s, len);
228 *((char *)dst + size - 1) = 0;
232 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
236 g_assert (dst != NULL);
240 memset (dst, 0, size);
244 len = MIN (size, (mono_string_length (src) * 2));
245 memcpy (dst, mono_string_chars (src), len);
247 *((char *)dst + size - 1) = 0;
248 *((char *)dst + size - 2) = 0;
252 mono_mb_free (MonoMethodBuilder *mb)
254 g_list_free (mb->locals_list);
259 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
261 MonoMethodBuilder *mb;
264 g_assert (klass != NULL);
265 g_assert (name != NULL);
267 mb = g_new0 (MonoMethodBuilder, 1);
269 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
272 m->name = g_strdup (name);
274 m->inline_count = -1;
275 m->wrapper_type = type;
278 mb->code = g_malloc (mb->code_size);
284 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
286 int res = mb->locals;
288 g_assert (mb != NULL);
289 g_assert (type != NULL);
291 mb->locals_list = g_list_append (mb->locals_list, type);
298 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
300 MonoMethodHeader *header;
304 g_assert (mb != NULL);
306 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
307 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
312 header->max_stack = max_stack;
314 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
315 header->locals [i] = (MonoType *)l->data;
318 mb->method->signature = signature;
319 header->code = mb->code;
320 header->code_size = mb->pos;
321 header->num_locals = mb->locals;
323 #ifdef DEBUG_RUNTIME_CODE
324 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
325 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
332 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
334 MonoMethodWrapper *mw;
336 g_assert (mb != NULL);
338 mw = (MonoMethodWrapper *)mb->method;
340 mw->data = g_list_append (mw->data, data);
342 return g_list_length (mw->data);
346 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
348 mb->code [pos] = value & 0xff;
349 mb->code [pos + 1] = (value >> 8) & 0xff;
350 mb->code [pos + 2] = (value >> 16) & 0xff;
351 mb->code [pos + 3] = (value >> 24) & 0xff;
355 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
357 *((gint8 *)(&mb->code [pos])) = value;
361 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
363 if (mb->pos >= mb->code_size) {
365 mb->code = g_realloc (mb->code, mb->code_size);
368 mb->code [mb->pos++] = op;
372 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
374 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
375 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
378 mono_mb_emit_icon (mb, offset);
379 mono_mb_emit_byte (mb, CEE_ADD);
384 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
387 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
388 mono_mb_emit_byte (mb, CEE_LDIND_I);
389 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
390 mono_mb_emit_byte (mb, CEE_ADD);
391 mono_mb_emit_byte (mb, CEE_LDIND_I);
392 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
393 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
394 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
395 mono_mb_emit_byte (mb, branch_code);
397 mono_mb_emit_i4 (mb, 0);
402 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
404 if ((mb->pos + 4) >= mb->code_size) {
406 mb->code = g_realloc (mb->code, mb->code_size);
409 mono_mb_patch_addr (mb, mb->pos, data);
414 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
416 if ((mb->pos + 2) >= mb->code_size) {
418 mb->code = g_realloc (mb->code, mb->code_size);
421 mb->code [mb->pos] = data & 0xff;
422 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
427 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
429 mono_mb_emit_byte (mb, CEE_LDSTR);
430 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
435 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
438 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
439 } else if (argnum < 256) {
440 mono_mb_emit_byte (mb, CEE_LDARG_S);
441 mono_mb_emit_byte (mb, argnum);
443 mono_mb_emit_byte (mb, CEE_PREFIX1);
444 mono_mb_emit_byte (mb, CEE_LDARG);
445 mono_mb_emit_i2 (mb, argnum);
450 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
453 mono_mb_emit_byte (mb, CEE_LDARGA_S);
454 mono_mb_emit_byte (mb, argnum);
456 mono_mb_emit_byte (mb, CEE_PREFIX1);
457 mono_mb_emit_byte (mb, CEE_LDARGA);
458 mono_mb_emit_i2 (mb, argnum);
463 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
466 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
467 mono_mb_emit_byte (mb, locnum);
469 mono_mb_emit_byte (mb, CEE_PREFIX1);
470 mono_mb_emit_byte (mb, CEE_LDLOCA);
471 mono_mb_emit_i2 (mb, locnum);
476 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
479 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
480 } else if (num < 256) {
481 mono_mb_emit_byte (mb, CEE_LDLOC_S);
482 mono_mb_emit_byte (mb, num);
484 mono_mb_emit_byte (mb, CEE_PREFIX1);
485 mono_mb_emit_byte (mb, CEE_LDLOC);
486 mono_mb_emit_i2 (mb, num);
491 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
494 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
495 } else if (num < 256) {
496 mono_mb_emit_byte (mb, CEE_STLOC_S);
497 mono_mb_emit_byte (mb, num);
499 mono_mb_emit_byte (mb, CEE_PREFIX1);
500 mono_mb_emit_byte (mb, CEE_STLOC);
501 mono_mb_emit_i2 (mb, num);
506 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
508 if (value >= -1 && value < 8) {
509 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
510 } else if (value >= -128 && value <= 127) {
511 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
512 mono_mb_emit_byte (mb, value);
514 mono_mb_emit_byte (mb, CEE_LDC_I4);
515 mono_mb_emit_i4 (mb, value);
520 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
523 opt_sig = method->signature;
524 mono_mb_emit_byte (mb, CEE_PREFIX1);
525 mono_mb_emit_byte (mb, CEE_LDFTN);
526 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
527 mono_mb_emit_byte (mb, CEE_CALLI);
528 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
532 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
534 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
535 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
536 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
537 mono_mb_emit_byte (mb, CEE_CALLI);
538 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
542 mono_mb_emit_exception (MonoMethodBuilder *mb)
544 /* fixme: we need a better way to throw exception,
545 * supporting several exception types and messages */
546 static MonoMethod *missing_method_ctor = NULL;
548 if (!missing_method_ctor) {
549 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", "MissingMethodException");
551 mono_class_init (mme);
552 for (i = 0; i < mme->method.count; ++i) {
553 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
554 missing_method_ctor = mme->methods [i];
559 mono_mb_emit_byte (mb, CEE_NEWOBJ);
560 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, missing_method_ctor));
561 mono_mb_emit_byte (mb, CEE_THROW);
566 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
568 mono_mb_emit_ldloc (mb, local);
569 mono_mb_emit_icon (mb, incr);
570 mono_mb_emit_byte (mb, CEE_ADD);
571 mono_mb_emit_stloc (mb, local);
575 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
576 int usize, int msize, MonoMarshalSpec *mspec)
579 case MONO_MARSHAL_CONV_BOOL_I4:
580 mono_mb_emit_byte (mb, CEE_LDLOC_1);
581 mono_mb_emit_byte (mb, CEE_LDLOC_0);
582 mono_mb_emit_byte (mb, CEE_LDIND_I4);
583 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
584 mono_mb_emit_byte (mb, 3);
585 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
586 mono_mb_emit_byte (mb, CEE_BR_S);
587 mono_mb_emit_byte (mb, 1);
588 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
589 mono_mb_emit_byte (mb, CEE_STIND_I1);
591 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
592 mono_mb_emit_byte (mb, CEE_LDLOC_1);
593 mono_mb_emit_byte (mb, CEE_LDLOC_0);
594 mono_mb_emit_byte (mb, CEE_LDIND_I2);
595 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
596 mono_mb_emit_byte (mb, 3);
597 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
598 mono_mb_emit_byte (mb, CEE_BR_S);
599 mono_mb_emit_byte (mb, 1);
600 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
601 mono_mb_emit_byte (mb, CEE_STIND_I1);
603 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
607 if (type->type == MONO_TYPE_SZARRAY) {
608 eclass = type->data.klass;
610 g_assert_not_reached ();
613 if (eclass->valuetype)
614 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
616 esize = sizeof (gpointer);
618 /* create a new array */
619 mono_mb_emit_byte (mb, CEE_LDLOC_1);
620 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
621 mono_mb_emit_byte (mb, CEE_NEWARR);
622 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
623 mono_mb_emit_byte (mb, CEE_STIND_I);
625 /* copy the elements */
626 mono_mb_emit_byte (mb, CEE_LDLOC_1);
627 mono_mb_emit_byte (mb, CEE_LDIND_I);
628 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
629 mono_mb_emit_byte (mb, CEE_ADD);
630 mono_mb_emit_byte (mb, CEE_LDLOC_0);
631 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
632 mono_mb_emit_byte (mb, CEE_PREFIX1);
633 mono_mb_emit_byte (mb, CEE_CPBLK);
637 case MONO_MARSHAL_CONV_STR_BYVALSTR:
638 mono_mb_emit_byte (mb, CEE_LDLOC_1);
639 mono_mb_emit_byte (mb, CEE_LDLOC_0);
640 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
641 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
642 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
643 mono_mb_emit_byte (mb, CEE_STIND_I);
645 case MONO_MARSHAL_CONV_STR_LPTSTR:
646 case MONO_MARSHAL_CONV_STR_LPSTR:
647 mono_mb_emit_byte (mb, CEE_LDLOC_1);
648 mono_mb_emit_byte (mb, CEE_LDLOC_0);
649 mono_mb_emit_byte (mb, CEE_LDIND_I);
650 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
651 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
652 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
653 mono_mb_emit_byte (mb, CEE_STIND_I);
655 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
656 MonoClass *klass = mono_class_from_mono_type (type);
657 int src_var, dst_var;
659 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
660 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
662 /* *dst = new object */
663 mono_mb_emit_byte (mb, CEE_LDLOC_1);
664 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
665 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
666 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
667 mono_mb_emit_byte (mb, CEE_STIND_I);
669 /* save the old src pointer */
670 mono_mb_emit_byte (mb, CEE_LDLOC_0);
671 mono_mb_emit_stloc (mb, src_var);
672 /* save the old dst pointer */
673 mono_mb_emit_byte (mb, CEE_LDLOC_1);
674 mono_mb_emit_stloc (mb, dst_var);
676 /* dst = pointer to newly created object data */
677 mono_mb_emit_byte (mb, CEE_LDLOC_1);
678 mono_mb_emit_byte (mb, CEE_LDIND_I);
679 mono_mb_emit_icon (mb, sizeof (MonoObject));
680 mono_mb_emit_byte (mb, CEE_ADD);
681 mono_mb_emit_byte (mb, CEE_STLOC_1);
683 emit_struct_conv (mb, klass, TRUE);
685 /* restore the old src pointer */
686 mono_mb_emit_ldloc (mb, src_var);
687 mono_mb_emit_byte (mb, CEE_STLOC_0);
688 /* restore the old dst pointer */
689 mono_mb_emit_ldloc (mb, dst_var);
690 mono_mb_emit_byte (mb, CEE_STLOC_1);
693 case MONO_MARSHAL_CONV_DEL_FTN: {
694 // fixme: we never convert functions back to delegates, dont
695 // know if thats the correct behaviour
698 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
699 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
701 case MONO_MARSHAL_CONV_STR_LPWSTR:
702 case MONO_MARSHAL_CONV_STR_BSTR:
703 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
704 case MONO_MARSHAL_CONV_STR_TBSTR:
705 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
706 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
708 g_warning ("marshaling conversion %d not implemented", conv);
709 g_assert_not_reached ();
714 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
715 MonoMarshalSpec *mspec)
720 case MONO_MARSHAL_CONV_BOOL_I4:
721 mono_mb_emit_byte (mb, CEE_LDLOC_1);
722 mono_mb_emit_byte (mb, CEE_LDLOC_0);
723 mono_mb_emit_byte (mb, CEE_LDIND_U1);
724 mono_mb_emit_byte (mb, CEE_STIND_I4);
726 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
727 mono_mb_emit_byte (mb, CEE_LDLOC_1);
728 mono_mb_emit_byte (mb, CEE_LDLOC_0);
729 mono_mb_emit_byte (mb, CEE_LDIND_U1);
730 mono_mb_emit_byte (mb, CEE_NEG);
731 mono_mb_emit_byte (mb, CEE_STIND_I2);
733 case MONO_MARSHAL_CONV_STR_LPWSTR:
734 case MONO_MARSHAL_CONV_STR_LPSTR:
735 case MONO_MARSHAL_CONV_STR_LPTSTR:
736 case MONO_MARSHAL_CONV_STR_BSTR:
737 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
738 case MONO_MARSHAL_CONV_STR_TBSTR:
739 /* free space if free == true */
740 mono_mb_emit_byte (mb, CEE_LDLOC_2);
741 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
742 mono_mb_emit_byte (mb, 4);
743 mono_mb_emit_byte (mb, CEE_LDLOC_1);
744 mono_mb_emit_byte (mb, CEE_LDIND_I);
745 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
746 mono_mb_emit_byte (mb, CEE_MONO_FREE);
748 mono_mb_emit_byte (mb, CEE_LDLOC_1);
749 mono_mb_emit_byte (mb, CEE_LDLOC_0);
750 mono_mb_emit_byte (mb, CEE_LDIND_I);
751 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
752 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
753 mono_mb_emit_byte (mb, conv);
754 mono_mb_emit_byte (mb, CEE_STIND_I);
756 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
757 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
758 case MONO_MARSHAL_CONV_DEL_FTN:
759 mono_mb_emit_byte (mb, CEE_LDLOC_1);
760 mono_mb_emit_byte (mb, CEE_LDLOC_0);
761 mono_mb_emit_byte (mb, CEE_LDIND_I);
762 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
763 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
764 mono_mb_emit_byte (mb, conv);
765 mono_mb_emit_byte (mb, CEE_STIND_I);
767 case MONO_MARSHAL_CONV_STR_BYVALSTR:
768 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
772 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
773 mono_mb_emit_byte (mb, CEE_LDLOC_0);
774 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
775 mono_mb_emit_icon (mb, usize);
776 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
777 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
778 mono_mb_emit_byte (mb, conv);
781 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
785 if (type->type == MONO_TYPE_SZARRAY) {
786 eclass = type->data.klass;
788 g_assert_not_reached ();
791 if (eclass->valuetype)
792 esize = mono_class_native_size (eclass, NULL);
794 esize = sizeof (gpointer);
799 mono_mb_emit_byte (mb, CEE_LDLOC_0);
800 mono_mb_emit_byte (mb, CEE_LDIND_I);
801 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
803 mono_mb_emit_byte (mb, 0);
805 mono_mb_emit_byte (mb, CEE_LDLOC_1);
806 mono_mb_emit_byte (mb, CEE_LDLOC_0);
807 mono_mb_emit_byte (mb, CEE_LDIND_I);
808 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
809 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
810 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
811 mono_mb_emit_byte (mb, CEE_ADD);
812 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
813 mono_mb_emit_byte (mb, CEE_PREFIX1);
814 mono_mb_emit_byte (mb, CEE_CPBLK);
815 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
818 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
819 int src_var, dst_var;
821 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
822 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
824 mono_mb_emit_byte (mb, CEE_LDLOC_0);
825 mono_mb_emit_byte (mb, CEE_LDIND_I);
826 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
828 mono_mb_emit_byte (mb, 0);
830 /* save the old src pointer */
831 mono_mb_emit_byte (mb, CEE_LDLOC_0);
832 mono_mb_emit_stloc (mb, src_var);
833 /* save the old dst pointer */
834 mono_mb_emit_byte (mb, CEE_LDLOC_1);
835 mono_mb_emit_stloc (mb, dst_var);
837 /* src = pointer to object data */
838 mono_mb_emit_byte (mb, CEE_LDLOC_0);
839 mono_mb_emit_byte (mb, CEE_LDIND_I);
840 mono_mb_emit_icon (mb, sizeof (MonoObject));
841 mono_mb_emit_byte (mb, CEE_ADD);
842 mono_mb_emit_byte (mb, CEE_STLOC_0);
844 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
846 /* restore the old src pointer */
847 mono_mb_emit_ldloc (mb, src_var);
848 mono_mb_emit_byte (mb, CEE_STLOC_0);
849 /* restore the old dst pointer */
850 mono_mb_emit_ldloc (mb, dst_var);
851 mono_mb_emit_byte (mb, CEE_STLOC_1);
853 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
857 g_warning ("marshalling conversion %d not implemented", conv);
858 g_assert_not_reached ();
863 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
865 MonoMarshalType *info;
869 emit_struct_conv(mb, klass->parent, to_object);
871 info = mono_marshal_load_type_info (klass);
873 if (klass->blittable) {
874 mono_mb_emit_byte (mb, CEE_LDLOC_1);
875 mono_mb_emit_byte (mb, CEE_LDLOC_0);
876 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
877 mono_mb_emit_byte (mb, CEE_PREFIX1);
878 mono_mb_emit_byte (mb, CEE_CPBLK);
882 for (i = 0; i < info->num_fields; i++) {
883 MonoMarshalNative ntype;
884 MonoMarshalConv conv;
885 MonoType *ftype = info->fields [i].field->type;
888 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
890 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
893 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
896 msize = klass->instance_size - info->fields [i].field->offset;
897 usize = info->native_size - info->fields [i].offset;
899 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
900 usize = info->fields [i + 1].offset - info->fields [i].offset;
902 g_assert ((msize >= 0) && (usize >= 0));
905 case MONO_MARSHAL_CONV_NONE: {
908 if (ftype->byref || ftype->type == MONO_TYPE_I ||
909 ftype->type == MONO_TYPE_U) {
910 mono_mb_emit_byte (mb, CEE_LDLOC_1);
911 mono_mb_emit_byte (mb, CEE_LDLOC_0);
912 mono_mb_emit_byte (mb, CEE_LDIND_I);
913 mono_mb_emit_byte (mb, CEE_STIND_I);
922 #if SIZEOF_VOID_P == 4
925 mono_mb_emit_byte (mb, CEE_LDLOC_1);
926 mono_mb_emit_byte (mb, CEE_LDLOC_0);
927 mono_mb_emit_byte (mb, CEE_LDIND_I4);
928 mono_mb_emit_byte (mb, CEE_STIND_I4);
932 case MONO_TYPE_BOOLEAN:
933 mono_mb_emit_byte (mb, CEE_LDLOC_1);
934 mono_mb_emit_byte (mb, CEE_LDLOC_0);
935 mono_mb_emit_byte (mb, CEE_LDIND_I1);
936 mono_mb_emit_byte (mb, CEE_STIND_I1);
941 mono_mb_emit_byte (mb, CEE_LDLOC_1);
942 mono_mb_emit_byte (mb, CEE_LDLOC_0);
943 mono_mb_emit_byte (mb, CEE_LDIND_I2);
944 mono_mb_emit_byte (mb, CEE_STIND_I2);
948 #if SIZEOF_VOID_P == 8
951 mono_mb_emit_byte (mb, CEE_LDLOC_1);
952 mono_mb_emit_byte (mb, CEE_LDLOC_0);
953 mono_mb_emit_byte (mb, CEE_LDIND_I8);
954 mono_mb_emit_byte (mb, CEE_STIND_I8);
957 mono_mb_emit_byte (mb, CEE_LDLOC_1);
958 mono_mb_emit_byte (mb, CEE_LDLOC_0);
959 mono_mb_emit_byte (mb, CEE_LDIND_R4);
960 mono_mb_emit_byte (mb, CEE_STIND_R4);
963 mono_mb_emit_byte (mb, CEE_LDLOC_1);
964 mono_mb_emit_byte (mb, CEE_LDLOC_0);
965 mono_mb_emit_byte (mb, CEE_LDIND_R8);
966 mono_mb_emit_byte (mb, CEE_STIND_R8);
968 case MONO_TYPE_VALUETYPE:
969 if (ftype->data.klass->enumtype) {
970 t = ftype->data.klass->enum_basetype->type;
973 emit_struct_conv (mb, ftype->data.klass, to_object);
976 g_warning ("marshaling type %02x not implemented", ftype->type);
977 g_assert_not_reached ();
983 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
985 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
989 mono_mb_emit_add_to_local (mb, 0, usize);
990 mono_mb_emit_add_to_local (mb, 1, msize);
992 mono_mb_emit_add_to_local (mb, 0, msize);
993 mono_mb_emit_add_to_local (mb, 1, usize);
998 static MonoAsyncResult *
999 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1001 MonoMethodMessage *msg;
1002 MonoDelegate *async_callback;
1006 MonoMethod *method = NULL;
1009 g_assert (delegate);
1011 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1013 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1014 if (!tp->klass->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1016 // If the target is a proxy, make a direct call. Is proxy's work
1017 // to make the call asynchronous.
1019 MonoAsyncResult *ares;
1021 MonoArray *out_args;
1023 method = delegate->method_info->method;
1025 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1026 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1027 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1028 ares->async_delegate = (MonoObject *)async_callback;
1029 msg->async_result = ares;
1030 msg->call_type = CallType_BeginInvoke;
1032 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1037 klass = delegate->object.vtable->klass;
1039 method = mono_get_delegate_invoke (klass);
1040 for (i = 0; i < klass->method.count; ++i) {
1041 if (klass->methods [i]->name[0] == 'B' &&
1042 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1043 method = klass->methods [i];
1048 g_assert (method != NULL);
1050 im = mono_get_delegate_invoke (method->klass);
1051 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1053 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1057 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1059 int i, params_var, tmp_var;
1061 /* allocate local (pointer) *params[] */
1062 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1063 /* allocate local (pointer) tmp */
1064 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1066 /* alloate space on stack to store an array of pointers to the arguments */
1067 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1068 mono_mb_emit_byte (mb, CEE_PREFIX1);
1069 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1070 mono_mb_emit_stloc (mb, params_var);
1073 mono_mb_emit_ldloc (mb, params_var);
1074 mono_mb_emit_stloc (mb, tmp_var);
1076 if (save_this && sig->hasthis) {
1077 mono_mb_emit_ldloc (mb, tmp_var);
1078 mono_mb_emit_ldarg_addr (mb, 0);
1079 mono_mb_emit_byte (mb, CEE_STIND_I);
1080 /* tmp = tmp + sizeof (gpointer) */
1081 if (sig->param_count)
1082 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1086 for (i = 0; i < sig->param_count; i++) {
1087 mono_mb_emit_ldloc (mb, tmp_var);
1088 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1089 mono_mb_emit_byte (mb, CEE_STIND_I);
1090 /* tmp = tmp + sizeof (gpointer) */
1091 if (i < (sig->param_count - 1))
1092 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1099 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1103 GString *res = g_string_new ("");
1106 g_string_append (res, prefix);
1107 g_string_append_c (res, '_');
1110 mono_type_get_desc (res, sig->ret, FALSE);
1112 for (i = 0; i < sig->param_count; ++i) {
1113 g_string_append_c (res, '_');
1114 mono_type_get_desc (res, sig->params [i], FALSE);
1117 g_string_free (res, FALSE);
1121 static inline MonoMethod*
1122 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1126 EnterCriticalSection (&marshal_mutex);
1127 res = g_hash_table_lookup (cache, key);
1128 LeaveCriticalSection (&marshal_mutex);
1132 /* Create the method from the builder and place it in the cache */
1133 static inline MonoMethod*
1134 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1135 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1140 EnterCriticalSection (&marshal_mutex);
1141 res = g_hash_table_lookup (cache, key);
1143 /* This does not acquire any locks */
1144 res = mono_mb_create_method (mb, sig, max_stack);
1145 g_hash_table_insert (cache, key, res);
1146 mono_g_hash_table_insert (wrapper_hash, res, key);
1149 /* Somebody created it before us */
1151 LeaveCriticalSection (&marshal_mutex);
1157 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1162 (wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK) ||
1163 (wrapper->wrapper_type == MONO_WRAPPER_SYNCHRONIZED));
1165 EnterCriticalSection (&marshal_mutex);
1166 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1167 LeaveCriticalSection (&marshal_mutex);
1169 if (wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1170 /* See mono_marshal_get_remoting_invoke_with_check */
1171 return (MonoMethod*)((char*)res - 1);
1177 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1179 MonoMethodSignature *sig;
1180 static MonoMethodSignature *csig = NULL;
1181 MonoMethodBuilder *mb;
1187 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1188 !strcmp (method->name, "BeginInvoke"));
1190 sig = method->signature;
1192 cache = method->klass->image->delegate_begin_invoke_cache;
1193 if ((res = mono_marshal_find_in_cache (cache, sig)))
1196 g_assert (sig->hasthis);
1199 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1200 csig = g_malloc0 (sigsize);
1202 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1203 csig->param_count = 2;
1204 csig->ret = &mono_defaults.object_class->byval_arg;
1205 csig->params [0] = &mono_defaults.object_class->byval_arg;
1206 csig->params [1] = &mono_defaults.int_class->byval_arg;
1209 name = mono_signature_to_name (sig, "begin_invoke");
1210 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1213 mb->method->save_lmf = 1;
1215 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1217 mono_mb_emit_ldarg (mb, 0);
1218 mono_mb_emit_ldloc (mb, params_var);
1219 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1220 mono_mb_emit_byte (mb, CEE_RET);
1222 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1228 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1230 MonoDomain *domain = mono_domain_get ();
1231 MonoAsyncResult *ares;
1232 MonoMethod *method = NULL;
1233 MonoMethodSignature *sig;
1234 MonoMethodMessage *msg;
1235 MonoObject *res, *exc;
1236 MonoArray *out_args;
1240 g_assert (delegate);
1242 if (!delegate->method_info || !delegate->method_info->method)
1243 g_assert_not_reached ();
1245 klass = delegate->object.vtable->klass;
1247 for (i = 0; i < klass->method.count; ++i) {
1248 if (klass->methods [i]->name[0] == 'E' &&
1249 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1250 method = klass->methods [i];
1255 g_assert (method != NULL);
1257 sig = method->signature;
1259 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1261 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1264 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1265 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1266 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1267 mono_message_init (domain, msg, delegate->method_info, NULL);
1268 msg->call_type = CallType_EndInvoke;
1269 msg->async_result = ares;
1270 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1273 res = mono_thread_pool_finish (ares, &out_args, &exc);
1276 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1278 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1280 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1282 mono_raise_exception ((MonoException*)exc);
1285 mono_method_return_message_restore (method, params, out_args);
1290 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1292 if (return_type->byref)
1293 return_type = &mono_defaults.int_class->byval_arg;
1294 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1295 return_type = return_type->data.klass->enum_basetype;
1297 switch (return_type->type) {
1298 case MONO_TYPE_VOID:
1299 g_assert_not_reached ();
1302 case MONO_TYPE_STRING:
1303 case MONO_TYPE_CLASS:
1304 case MONO_TYPE_OBJECT:
1305 case MONO_TYPE_ARRAY:
1306 case MONO_TYPE_SZARRAY:
1310 case MONO_TYPE_BOOLEAN:
1311 mono_mb_emit_byte (mb, CEE_UNBOX);
1312 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1313 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1316 mono_mb_emit_byte (mb, CEE_UNBOX);
1317 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1318 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1321 case MONO_TYPE_CHAR:
1322 mono_mb_emit_byte (mb, CEE_UNBOX);
1323 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1324 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1327 mono_mb_emit_byte (mb, CEE_UNBOX);
1328 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1329 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1333 mono_mb_emit_byte (mb, CEE_UNBOX);
1334 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1335 mono_mb_emit_byte (mb, CEE_LDIND_I);
1338 mono_mb_emit_byte (mb, CEE_UNBOX);
1339 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1340 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1343 mono_mb_emit_byte (mb, CEE_UNBOX);
1344 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1345 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1349 mono_mb_emit_byte (mb, CEE_UNBOX);
1350 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1351 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1354 mono_mb_emit_byte (mb, CEE_UNBOX);
1355 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1356 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1359 mono_mb_emit_byte (mb, CEE_UNBOX);
1360 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1361 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1363 case MONO_TYPE_VALUETYPE: {
1365 mono_mb_emit_byte (mb, CEE_UNBOX);
1366 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1367 mono_mb_emit_i4 (mb, class);
1368 mono_mb_emit_byte (mb, CEE_LDOBJ);
1369 mono_mb_emit_i4 (mb, class);
1373 g_warning ("type 0x%x not handled", return_type->type);
1374 g_assert_not_reached ();
1377 mono_mb_emit_byte (mb, CEE_RET);
1381 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1383 MonoMethodSignature *sig;
1384 static MonoMethodSignature *csig = NULL;
1385 MonoMethodBuilder *mb;
1391 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1392 !strcmp (method->name, "EndInvoke"));
1394 sig = method->signature;
1396 cache = method->klass->image->delegate_end_invoke_cache;
1397 if ((res = mono_marshal_find_in_cache (cache, sig)))
1400 g_assert (sig->hasthis);
1403 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1404 csig = g_malloc0 (sigsize);
1406 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1407 csig->param_count = 2;
1408 csig->ret = &mono_defaults.object_class->byval_arg;
1409 csig->params [0] = &mono_defaults.object_class->byval_arg;
1410 csig->params [1] = &mono_defaults.int_class->byval_arg;
1413 name = mono_signature_to_name (sig, "end_invoke");
1414 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1417 mb->method->save_lmf = 1;
1419 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1421 mono_mb_emit_ldarg (mb, 0);
1422 mono_mb_emit_ldloc (mb, params_var);
1423 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1425 if (sig->ret->type == MONO_TYPE_VOID) {
1426 mono_mb_emit_byte (mb, CEE_POP);
1427 mono_mb_emit_byte (mb, CEE_RET);
1429 mono_mb_emit_restore_result (mb, sig->ret);
1431 res = mono_mb_create_and_cache (cache, sig,
1432 mb, sig, sig->param_count + 16);
1439 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1441 MonoMethodMessage *msg;
1442 MonoTransparentProxy *this;
1443 MonoObject *res, *exc;
1444 MonoArray *out_args;
1446 this = *((MonoTransparentProxy **)params [0]);
1449 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1451 /* skip the this pointer */
1454 if (this->klass->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1457 MonoMethodSignature *sig = method->signature;
1458 int count = sig->param_count;
1459 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1461 for (i=0; i<count; i++) {
1462 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1463 if (class->valuetype) {
1464 if (sig->params [i]->byref)
1465 mparams[i] = *((gpointer *)params [i]);
1467 mparams[i] = params [i];
1469 mparams[i] = *((gpointer**)params [i]);
1473 return mono_runtime_invoke (method, this->rp->unwrapped_server, mparams, NULL);
1476 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1478 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1481 mono_raise_exception ((MonoException *)exc);
1483 mono_method_return_message_restore (method, params, out_args);
1489 mono_marshal_get_remoting_invoke (MonoMethod *method)
1491 MonoMethodSignature *sig;
1492 static MonoMethodSignature *csig = NULL;
1493 MonoMethodBuilder *mb;
1500 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1503 sig = method->signature;
1505 /* we cant remote methods without this pointer */
1509 cache = method->klass->image->remoting_invoke_cache;
1510 if ((res = mono_marshal_find_in_cache (cache, method)))
1514 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1515 csig->params [0] = &mono_defaults.int_class->byval_arg;
1516 csig->params [1] = &mono_defaults.int_class->byval_arg;
1517 csig->ret = &mono_defaults.object_class->byval_arg;
1521 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1522 mb->method->save_lmf = 1;
1524 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1526 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1527 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1528 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1529 mono_mb_emit_ldloc (mb, params_var);
1530 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1532 if (sig->ret->type == MONO_TYPE_VOID) {
1533 mono_mb_emit_byte (mb, CEE_POP);
1534 mono_mb_emit_byte (mb, CEE_RET);
1536 mono_mb_emit_restore_result (mb, sig->ret);
1539 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1546 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1548 MonoMethodSignature *sig;
1549 MonoMethodBuilder *mb;
1550 MonoMethod *res, *native;
1556 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1559 sig = method->signature;
1561 /* we cant remote methods without this pointer */
1562 g_assert (sig->hasthis);
1564 cache = method->klass->image->remoting_invoke_cache;
1565 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1568 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1570 mono_mb_emit_ldarg (mb, 0);
1571 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1573 native = mono_marshal_get_remoting_invoke (method);
1575 for (i = 0; i <= sig->param_count; i++)
1576 mono_mb_emit_ldarg (mb, i);
1578 mono_mb_emit_managed_call (mb, native, native->signature);
1579 mono_mb_emit_byte (mb, CEE_RET);
1581 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1583 for (i = 0; i <= sig->param_count; i++)
1584 mono_mb_emit_ldarg (mb, i);
1586 mono_mb_emit_managed_call (mb, method, method->signature);
1587 mono_mb_emit_byte (mb, CEE_RET);
1589 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1590 mb, sig, sig->param_count + 16);
1597 * the returned method invokes all methods in a multicast delegate
1600 mono_marshal_get_delegate_invoke (MonoMethod *method)
1602 MonoMethodSignature *sig, *static_sig;
1604 MonoMethodBuilder *mb;
1610 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1611 !strcmp (method->name, "Invoke"));
1613 sig = method->signature;
1615 cache = method->klass->image->delegate_invoke_cache;
1616 if ((res = mono_marshal_find_in_cache (cache, sig)))
1619 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1620 static_sig = g_memdup (sig, sigsize);
1621 static_sig->hasthis = 0;
1623 name = mono_signature_to_name (sig, "invoke");
1624 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1627 /* allocate local 0 (object) */
1628 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1630 g_assert (sig->hasthis);
1634 * prev.Invoke( args .. );
1635 * return this.<target>( args .. );
1638 /* get this->prev */
1639 mono_mb_emit_ldarg (mb, 0);
1640 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1641 mono_mb_emit_byte (mb, CEE_LDIND_I );
1642 mono_mb_emit_stloc (mb, 0);
1644 /* if prev != null */
1645 mono_mb_emit_ldloc (mb, 0);
1646 mono_mb_emit_byte (mb, CEE_BRFALSE);
1649 mono_mb_emit_i4 (mb, 0);
1652 mono_mb_emit_ldloc (mb, 0);
1653 for (i = 0; i < sig->param_count; i++)
1654 mono_mb_emit_ldarg (mb, i + 1);
1655 mono_mb_emit_managed_call (mb, method, method->signature);
1656 if (sig->ret->type != MONO_TYPE_VOID)
1657 mono_mb_emit_byte (mb, CEE_POP);
1659 /* continued or prev == null */
1660 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1662 /* get this->target */
1663 mono_mb_emit_ldarg (mb, 0);
1664 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1665 mono_mb_emit_byte (mb, CEE_LDIND_I );
1666 mono_mb_emit_stloc (mb, 0);
1668 /* if target != null */
1669 mono_mb_emit_ldloc (mb, 0);
1670 mono_mb_emit_byte (mb, CEE_BRFALSE);
1672 mono_mb_emit_i4 (mb, 0);
1674 /* then call this->method_ptr nonstatic */
1675 mono_mb_emit_ldloc (mb, 0);
1676 for (i = 0; i < sig->param_count; ++i)
1677 mono_mb_emit_ldarg (mb, i + 1);
1678 mono_mb_emit_ldarg (mb, 0);
1679 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1680 mono_mb_emit_byte (mb, CEE_LDIND_I );
1681 mono_mb_emit_byte (mb, CEE_CALLI);
1682 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1684 mono_mb_emit_byte (mb, CEE_BR);
1686 mono_mb_emit_i4 (mb, 0);
1688 /* else [target == null] call this->method_ptr static */
1689 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1691 for (i = 0; i < sig->param_count; ++i)
1692 mono_mb_emit_ldarg (mb, i + 1);
1693 mono_mb_emit_ldarg (mb, 0);
1694 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1695 mono_mb_emit_byte (mb, CEE_LDIND_I );
1696 mono_mb_emit_byte (mb, CEE_CALLI);
1697 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1700 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1701 mono_mb_emit_byte (mb, CEE_RET);
1703 res = mono_mb_create_and_cache (cache, sig,
1704 mb, sig, sig->param_count + 16);
1711 * generates IL code for the runtime invoke function
1712 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1714 * we also catch exceptions if exc != null
1717 mono_marshal_get_runtime_invoke (MonoMethod *method)
1719 MonoMethodSignature *sig, *csig;
1720 MonoExceptionClause *clause;
1721 MonoMethodHeader *header;
1722 MonoMethodBuilder *mb;
1725 static MonoString *string_dummy = NULL;
1726 int i, pos, sigsize;
1730 cache = method->klass->image->runtime_invoke_cache;
1731 if ((res = mono_marshal_find_in_cache (cache, method)))
1734 /* to make it work with our special string constructors */
1736 string_dummy = mono_string_new_wrapper ("dummy");
1738 sig = method->signature;
1740 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1741 csig = g_malloc0 (sigsize);
1743 csig->param_count = 3;
1744 csig->ret = &mono_defaults.object_class->byval_arg;
1745 csig->params [0] = &mono_defaults.object_class->byval_arg;
1746 csig->params [1] = &mono_defaults.int_class->byval_arg;
1747 csig->params [2] = &mono_defaults.int_class->byval_arg;
1749 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1751 /* allocate local 0 (object) tmp */
1752 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1753 /* allocate local 1 (object) exc */
1754 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1756 /* cond set *exc to null */
1757 mono_mb_emit_byte (mb, CEE_LDARG_2);
1758 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1759 mono_mb_emit_byte (mb, 3);
1760 mono_mb_emit_byte (mb, CEE_LDARG_2);
1761 mono_mb_emit_byte (mb, CEE_LDNULL);
1762 mono_mb_emit_byte (mb, CEE_STIND_I);
1765 if (method->string_ctor) {
1766 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1767 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1768 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1770 mono_mb_emit_ldarg (mb, 0);
1771 if (method->klass->valuetype) {
1772 mono_mb_emit_byte (mb, CEE_UNBOX);
1773 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1778 for (i = 0; i < sig->param_count; i++) {
1779 MonoType *t = sig->params [i];
1782 mono_mb_emit_ldarg (mb, 1);
1784 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1785 mono_mb_emit_byte (mb, CEE_ADD);
1787 mono_mb_emit_byte (mb, CEE_LDIND_I);
1792 type = sig->params [i]->type;
1796 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1798 case MONO_TYPE_BOOLEAN:
1800 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1803 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1806 case MONO_TYPE_CHAR:
1807 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1811 mono_mb_emit_byte (mb, CEE_LDIND_I);
1814 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1817 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1820 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1823 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1827 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1829 case MONO_TYPE_STRING:
1830 case MONO_TYPE_CLASS:
1831 case MONO_TYPE_ARRAY:
1833 case MONO_TYPE_SZARRAY:
1834 case MONO_TYPE_OBJECT:
1837 case MONO_TYPE_VALUETYPE:
1838 if (t->data.klass->enumtype) {
1839 type = t->data.klass->enum_basetype->type;
1842 mono_mb_emit_byte (mb, CEE_LDOBJ);
1843 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1846 g_assert_not_reached ();
1850 if (method->string_ctor) {
1851 MonoMethodSignature *strsig;
1853 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1854 strsig = g_memdup (sig, sigsize);
1855 strsig->ret = &mono_defaults.string_class->byval_arg;
1857 mono_mb_emit_managed_call (mb, method, strsig);
1859 mono_mb_emit_managed_call (mb, method, NULL);
1861 if (sig->ret->byref) {
1863 g_assert_not_reached ();
1867 switch (sig->ret->type) {
1868 case MONO_TYPE_VOID:
1869 if (!method->string_ctor)
1870 mono_mb_emit_byte (mb, CEE_LDNULL);
1872 case MONO_TYPE_BOOLEAN:
1873 case MONO_TYPE_CHAR:
1886 case MONO_TYPE_VALUETYPE:
1887 /* box value types */
1888 mono_mb_emit_byte (mb, CEE_BOX);
1889 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1891 case MONO_TYPE_STRING:
1892 case MONO_TYPE_CLASS:
1893 case MONO_TYPE_ARRAY:
1894 case MONO_TYPE_SZARRAY:
1895 case MONO_TYPE_OBJECT:
1900 g_assert_not_reached ();
1903 mono_mb_emit_stloc (mb, 0);
1905 mono_mb_emit_byte (mb, CEE_LEAVE);
1907 mono_mb_emit_i4 (mb, 0);
1909 clause = g_new0 (MonoExceptionClause, 1);
1910 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1911 clause->try_len = mb->pos;
1914 clause->token_or_filter = mb->pos;
1916 mono_mb_emit_byte (mb, CEE_POP);
1917 mono_mb_emit_byte (mb, CEE_LDARG_2);
1918 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1919 mono_mb_emit_byte (mb, CEE_PREFIX1);
1920 mono_mb_emit_byte (mb, CEE_CGT_UN);
1921 mono_mb_emit_byte (mb, CEE_PREFIX1);
1922 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1924 clause->handler_offset = mb->pos;
1927 /* store exception */
1928 mono_mb_emit_stloc (mb, 1);
1930 mono_mb_emit_byte (mb, CEE_LDARG_2);
1931 mono_mb_emit_ldloc (mb, 1);
1932 mono_mb_emit_byte (mb, CEE_STIND_I);
1934 mono_mb_emit_byte (mb, CEE_LEAVE);
1935 mono_mb_emit_i4 (mb, 0);
1937 clause->handler_len = mb->pos - clause->handler_offset;
1940 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1941 mono_mb_emit_ldloc (mb, 0);
1942 mono_mb_emit_byte (mb, CEE_RET);
1944 res = mono_mb_create_and_cache (cache, method,
1945 mb, csig, sig->param_count + 16);
1948 header = ((MonoMethodNormal *)res)->header;
1949 header->num_clauses = 1;
1950 header->clauses = clause;
1956 * generates IL code to call managed methods from unmanaged code
1959 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
1961 MonoMethodSignature *sig, *csig;
1962 MonoMethodBuilder *mb;
1966 int i, pos, sigsize, *tmp_locals;
1968 g_assert (method != NULL);
1969 g_assert (!method->signature->pinvoke);
1971 cache = method->klass->image->managed_wrapper_cache;
1972 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
1976 /* fime: howto free that memory ? */
1979 sig = method->signature;
1981 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
1983 /* allocate local 0 (pointer) src_ptr */
1984 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1985 /* allocate local 1 (pointer) dst_ptr */
1986 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1987 /* allocate local 2 (boolean) delete_old */
1988 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1990 mono_mb_emit_byte (mb, CEE_LDNULL);
1991 mono_mb_emit_byte (mb, CEE_STLOC_2);
1993 /* we copy the signature, so that we can modify it */
1994 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1995 csig = g_memdup (sig, sigsize);
1999 /* fixme: howto handle this ? */
2003 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2004 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2005 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2010 g_assert_not_reached ();
2015 /* we first do all conversions */
2016 tmp_locals = alloca (sizeof (int) * sig->param_count);
2017 for (i = 0; i < sig->param_count; i ++) {
2018 MonoType *t = sig->params [i];
2019 MonoMarshalSpec *spec = mspecs [i + 1];
2023 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2026 MonoMethod *marshal_native_to_managed;
2027 MonoMethod *get_instance;
2029 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2030 g_assert (mtype != NULL);
2031 mklass = mono_class_from_mono_type (mtype);
2032 g_assert (mklass != NULL);
2034 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2035 g_assert (marshal_native_to_managed);
2036 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2037 g_assert (get_instance);
2040 case MONO_TYPE_CLASS:
2041 case MONO_TYPE_OBJECT:
2042 case MONO_TYPE_STRING:
2043 case MONO_TYPE_ARRAY:
2044 case MONO_TYPE_SZARRAY:
2048 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2050 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2052 mono_mb_emit_byte (mb, CEE_CALL);
2053 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2055 mono_mb_emit_ldarg (mb, i);
2057 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2058 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2060 mono_mb_emit_stloc (mb, tmp_locals [i]);
2063 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2064 g_assert_not_reached ();
2071 case MONO_TYPE_VALUETYPE:
2073 klass = sig->params [i]->data.klass;
2074 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2075 klass->blittable || klass->enumtype)
2078 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2081 mono_mb_emit_ldarg (mb, i);
2083 mono_mb_emit_ldarg_addr (mb, i);
2084 mono_mb_emit_byte (mb, CEE_STLOC_0);
2087 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2088 mono_mb_emit_byte (mb, CEE_BRFALSE);
2090 mono_mb_emit_i4 (mb, 0);
2093 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2094 mono_mb_emit_byte (mb, CEE_STLOC_1);
2096 /* emit valuetype convnversion code code */
2097 emit_struct_conv (mb, klass, TRUE);
2100 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2102 case MONO_TYPE_STRING:
2106 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2107 csig->params [i] = &mono_defaults.int_class->byval_arg;
2109 mono_mb_emit_ldarg (mb, i);
2110 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2111 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2112 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2113 mono_mb_emit_stloc (mb, tmp_locals [i]);
2115 case MONO_TYPE_ARRAY:
2116 case MONO_TYPE_SZARRAY:
2120 klass = mono_class_from_mono_type (t);
2122 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2123 csig->params [i] = &mono_defaults.int_class->byval_arg;
2125 g_warning ("array marshaling not implemented");
2126 g_assert_not_reached ();
2131 for (i = 0; i < sig->param_count; i++) {
2132 MonoType *t = sig->params [i];
2135 case MONO_TYPE_BOOLEAN:
2149 mono_mb_emit_ldarg (mb, i);
2151 case MONO_TYPE_STRING:
2153 mono_mb_emit_ldarg (mb, i);
2155 g_assert (tmp_locals [i]);
2156 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2159 case MONO_TYPE_CLASS:
2160 case MONO_TYPE_ARRAY:
2161 case MONO_TYPE_SZARRAY:
2162 case MONO_TYPE_OBJECT:
2164 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2166 mono_mb_emit_ldarg (mb, i);
2168 case MONO_TYPE_VALUETYPE:
2169 klass = sig->params [i]->data.klass;
2170 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2171 klass->blittable || klass->enumtype) {
2172 mono_mb_emit_ldarg (mb, i);
2176 g_assert (tmp_locals [i]);
2178 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2180 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2183 g_warning ("type 0x%02x unknown", t->type);
2184 g_assert_not_reached ();
2188 mono_mb_emit_managed_call (mb, method, NULL);
2190 if (!sig->ret->byref) {
2191 switch (sig->ret->type) {
2192 case MONO_TYPE_VOID:
2193 case MONO_TYPE_BOOLEAN:
2207 case MONO_TYPE_OBJECT:
2208 mono_mb_emit_byte (mb, CEE_RET);
2210 case MONO_TYPE_STRING:
2211 csig->ret = &mono_defaults.int_class->byval_arg;
2213 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2214 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2215 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2216 mono_mb_emit_byte (mb, CEE_RET);
2218 case MONO_TYPE_VALUETYPE: {
2220 klass = sig->ret->data.klass;
2221 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2222 klass->blittable || klass->enumtype)
2225 /* load pointer to returned value type */
2226 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2227 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2229 /* store the address of the source into local variable 0 */
2230 mono_mb_emit_byte (mb, CEE_STLOC_0);
2231 /* allocate space for the native struct and
2232 * store the address into dst_ptr */
2233 tmp = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2235 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2236 mono_mb_emit_byte (mb, CEE_PREFIX1);
2237 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2238 mono_mb_emit_byte (mb, CEE_STLOC_1);
2239 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2240 mono_mb_emit_stloc (mb, tmp);
2242 /* emit valuetype conversion code */
2243 emit_struct_conv (mb, klass, FALSE);
2244 mono_mb_emit_ldloc (mb, tmp);
2245 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2246 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2247 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2251 g_warning ("return type 0x%02x unknown", sig->ret->type);
2252 g_assert_not_reached ();
2255 mono_mb_emit_byte (mb, CEE_RET);
2259 res = mono_mb_create_and_cache (cache, method,
2260 mb, csig, sig->param_count + 16);
2262 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2269 * mono_marshal_get_ldfld_wrapper:
2270 * @type: the type of the field
2272 * This method generates a function which can be use to load a field with type
2273 * @type from an object. The generated function has the following signature:
2274 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2277 mono_marshal_get_ldfld_wrapper (MonoType *type)
2279 MonoMethodSignature *sig, *csig;
2280 MonoMethodBuilder *mb;
2283 static GHashTable *ldfld_hash = NULL;
2290 if (type->type == MONO_TYPE_SZARRAY) {
2291 klass = mono_defaults.array_class;
2292 } else if (type->type == MONO_TYPE_VALUETYPE) {
2293 klass = type->data.klass;
2294 if (klass->enumtype) {
2295 t = klass->enum_basetype->type;
2296 klass = mono_class_from_mono_type (klass->enum_basetype);
2298 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2299 t == MONO_TYPE_CLASS) {
2300 klass = mono_defaults.object_class;
2301 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2302 klass = mono_defaults.int_class;
2304 klass = mono_class_from_mono_type (type);
2307 klass = mono_defaults.int_class;
2310 EnterCriticalSection (&marshal_mutex);
2312 ldfld_hash = g_hash_table_new (NULL, NULL);
2313 res = g_hash_table_lookup (ldfld_hash, klass);
2314 LeaveCriticalSection (&marshal_mutex);
2318 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2319 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2322 mb->method->save_lmf = 1;
2324 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2325 sig->params [0] = &mono_defaults.object_class->byval_arg;
2326 sig->params [1] = &mono_defaults.int_class->byval_arg;
2327 sig->params [2] = &mono_defaults.int_class->byval_arg;
2328 sig->params [3] = &mono_defaults.int_class->byval_arg;
2329 sig->ret = &klass->byval_arg;
2331 mono_mb_emit_ldarg (mb, 0);
2332 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2334 mono_mb_emit_ldarg (mb, 0);
2335 mono_mb_emit_ldarg (mb, 1);
2336 mono_mb_emit_ldarg (mb, 2);
2338 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2339 csig->params [0] = &mono_defaults.object_class->byval_arg;
2340 csig->params [1] = &mono_defaults.int_class->byval_arg;
2341 csig->params [2] = &mono_defaults.int_class->byval_arg;
2342 csig->ret = &klass->this_arg;
2345 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2347 if (klass->valuetype) {
2348 mono_mb_emit_byte (mb, CEE_UNBOX);
2349 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2350 mono_mb_emit_byte (mb, CEE_BR);
2352 mono_mb_emit_i4 (mb, 0);
2354 mono_mb_emit_byte (mb, CEE_RET);
2358 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2360 mono_mb_emit_ldarg (mb, 0);
2361 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2362 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2363 mono_mb_emit_ldarg (mb, 3);
2364 mono_mb_emit_byte (mb, CEE_ADD);
2366 if (klass->valuetype)
2367 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2372 case MONO_TYPE_BOOLEAN:
2373 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2375 case MONO_TYPE_CHAR:
2378 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2382 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2386 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2389 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2392 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2394 case MONO_TYPE_ARRAY:
2396 case MONO_TYPE_FNPTR:
2397 case MONO_TYPE_SZARRAY:
2398 case MONO_TYPE_OBJECT:
2399 case MONO_TYPE_CLASS:
2400 case MONO_TYPE_STRING:
2403 mono_mb_emit_byte (mb, CEE_LDIND_I);
2405 case MONO_TYPE_VALUETYPE:
2406 g_assert (!klass->enumtype);
2407 mono_mb_emit_byte (mb, CEE_LDOBJ);
2408 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2411 g_warning ("type %x not implemented", type->type);
2412 g_assert_not_reached ();
2415 mono_mb_emit_byte (mb, CEE_RET);
2417 res = mono_mb_create_and_cache (ldfld_hash, klass,
2418 mb, sig, sig->param_count + 16);
2425 * mono_marshal_get_stfld_wrapper:
2426 * @type: the type of the field
2428 * This method generates a function which can be use to store a field with type
2429 * @type. The generated function has the following signature:
2430 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2433 mono_marshal_get_stfld_wrapper (MonoType *type)
2435 MonoMethodSignature *sig, *csig;
2436 MonoMethodBuilder *mb;
2439 static GHashTable *stfld_hash = NULL;
2446 if (type->type == MONO_TYPE_SZARRAY) {
2447 klass = mono_defaults.array_class;
2448 } else if (type->type == MONO_TYPE_VALUETYPE) {
2449 klass = type->data.klass;
2450 if (klass->enumtype) {
2451 t = klass->enum_basetype->type;
2452 klass = mono_class_from_mono_type (klass->enum_basetype);
2454 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2455 t == MONO_TYPE_CLASS) {
2456 klass = mono_defaults.object_class;
2457 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2458 klass = mono_defaults.int_class;
2460 klass = mono_class_from_mono_type (type);
2463 klass = mono_defaults.int_class;
2466 EnterCriticalSection (&marshal_mutex);
2468 stfld_hash = g_hash_table_new (NULL, NULL);
2469 res = g_hash_table_lookup (stfld_hash, klass);
2470 LeaveCriticalSection (&marshal_mutex);
2474 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2475 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2478 mb->method->save_lmf = 1;
2480 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2481 sig->params [0] = &mono_defaults.object_class->byval_arg;
2482 sig->params [1] = &mono_defaults.int_class->byval_arg;
2483 sig->params [2] = &mono_defaults.int_class->byval_arg;
2484 sig->params [3] = &mono_defaults.int_class->byval_arg;
2485 sig->params [4] = &klass->byval_arg;
2486 sig->ret = &mono_defaults.void_class->byval_arg;
2488 mono_mb_emit_ldarg (mb, 0);
2489 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2491 mono_mb_emit_ldarg (mb, 0);
2492 mono_mb_emit_ldarg (mb, 1);
2493 mono_mb_emit_ldarg (mb, 2);
2494 mono_mb_emit_ldarg (mb, 4);
2496 if (klass->valuetype) {
2497 mono_mb_emit_byte (mb, CEE_BOX);
2498 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2501 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2502 csig->params [0] = &mono_defaults.object_class->byval_arg;
2503 csig->params [1] = &mono_defaults.int_class->byval_arg;
2504 csig->params [2] = &mono_defaults.int_class->byval_arg;
2505 csig->params [3] = &klass->this_arg;
2506 csig->ret = &mono_defaults.void_class->byval_arg;
2509 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2511 mono_mb_emit_byte (mb, CEE_RET);
2513 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2515 mono_mb_emit_ldarg (mb, 0);
2516 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2517 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2518 mono_mb_emit_ldarg (mb, 3);
2519 mono_mb_emit_byte (mb, CEE_ADD);
2520 mono_mb_emit_ldarg (mb, 4);
2525 case MONO_TYPE_BOOLEAN:
2526 mono_mb_emit_byte (mb, CEE_STIND_I1);
2528 case MONO_TYPE_CHAR:
2531 mono_mb_emit_byte (mb, CEE_STIND_I2);
2535 mono_mb_emit_byte (mb, CEE_STIND_I4);
2539 mono_mb_emit_byte (mb, CEE_STIND_I8);
2542 mono_mb_emit_byte (mb, CEE_STIND_R4);
2545 mono_mb_emit_byte (mb, CEE_STIND_R8);
2547 case MONO_TYPE_ARRAY:
2549 case MONO_TYPE_FNPTR:
2550 case MONO_TYPE_SZARRAY:
2551 case MONO_TYPE_OBJECT:
2552 case MONO_TYPE_CLASS:
2553 case MONO_TYPE_STRING:
2556 mono_mb_emit_byte (mb, CEE_STIND_I);
2558 case MONO_TYPE_VALUETYPE:
2559 g_assert (!klass->enumtype);
2560 mono_mb_emit_byte (mb, CEE_STOBJ);
2561 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2564 g_warning ("type %x not implemented", type->type);
2565 g_assert_not_reached ();
2568 mono_mb_emit_byte (mb, CEE_RET);
2570 res = mono_mb_create_and_cache (stfld_hash, klass,
2571 mb, sig, sig->param_count + 16);
2578 * generates IL code for the icall wrapper (the generated method
2579 * calls the unamnaged code in func)
2582 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2584 MonoMethodSignature *csig;
2585 MonoMethodBuilder *mb;
2589 g_assert (sig->pinvoke);
2591 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2593 mb->method->save_lmf = 1;
2595 /* we copy the signature, so that we can modify it */
2596 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2599 mono_mb_emit_byte (mb, CEE_LDARG_0);
2601 for (i = 0; i < sig->param_count; i++)
2602 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2604 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2606 mono_mb_emit_byte (mb, CEE_RET);
2608 csig = g_memdup (sig, sigsize);
2611 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2618 * generates IL code for the pinvoke wrapper (the generated method
2619 * calls the unmanaged code in method->addr)
2622 mono_marshal_get_native_wrapper (MonoMethod *method)
2624 MonoMethodSignature *sig, *csig;
2625 MonoMethodPInvoke *piinfo;
2626 MonoMethodBuilder *mb;
2627 MonoMarshalSpec **mspecs;
2631 gboolean pinvoke = FALSE;
2632 int i, pos, argnum, *tmp_locals;
2635 g_assert (method != NULL);
2636 g_assert (method->signature->pinvoke);
2638 cache = method->klass->image->native_wrapper_cache;
2639 if ((res = mono_marshal_find_in_cache (cache, method)))
2642 sig = method->signature;
2643 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2645 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2646 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2649 if (pinvoke && !method->addr)
2650 mono_lookup_pinvoke_call (method);
2652 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2654 mb->method->save_lmf = 1;
2656 piinfo = (MonoMethodPInvoke *)method;
2658 if (!method->addr) {
2659 mono_mb_emit_exception (mb);
2660 csig = g_memdup (sig, sigsize);
2662 res = mono_mb_create_and_cache (cache, method,
2663 mb, csig, csig->param_count + 16);
2668 /* internal calls: we simply push all arguments and call the method (no conversions) */
2669 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2671 /* hack - string constructors returns a value */
2672 if (method->string_ctor) {
2673 csig = g_memdup (sig, sigsize);
2674 csig->ret = &mono_defaults.string_class->byval_arg;
2679 mono_mb_emit_byte (mb, CEE_LDARG_0);
2681 for (i = 0; i < sig->param_count; i++)
2682 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2684 g_assert (method->addr);
2685 mono_mb_emit_native_call (mb, csig, method->addr);
2687 mono_mb_emit_byte (mb, CEE_RET);
2689 csig = g_memdup (csig, sigsize);
2691 res = mono_mb_create_and_cache (cache, method,
2692 mb, csig, csig->param_count + 16);
2699 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2700 mono_method_get_marshal_info (method, mspecs);
2702 /* pinvoke: we need to convert the arguments if necessary */
2704 /* we copy the signature, so that we can set pinvoke to 0 */
2705 csig = g_memdup (sig, sigsize);
2708 /* we allocate local for use with emit_struct_conv() */
2709 /* allocate local 0 (pointer) src_ptr */
2710 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2711 /* allocate local 1 (pointer) dst_ptr */
2712 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2713 /* allocate local 2 (boolean) delete_old */
2714 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2716 /* delete_old = FALSE */
2717 mono_mb_emit_icon (mb, 0);
2718 mono_mb_emit_byte (mb, CEE_STLOC_2);
2720 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2721 /* allocate local 3 to store the return value */
2722 mono_mb_add_local (mb, sig->ret);
2725 /* we first do all conversions */
2726 tmp_locals = alloca (sizeof (int) * sig->param_count);
2728 for (i = 0; i < sig->param_count; i ++) {
2729 MonoType *t = sig->params [i];
2730 MonoMarshalSpec *spec = mspecs [i + 1];
2732 argnum = i + sig->hasthis;
2735 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2738 MonoMethod *marshal_managed_to_native;
2739 MonoMethod *get_instance;
2741 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2742 g_assert (mtype != NULL);
2743 mklass = mono_class_from_mono_type (mtype);
2744 g_assert (mklass != NULL);
2746 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
2747 g_assert (marshal_managed_to_native);
2748 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2749 g_assert (get_instance);
2752 case MONO_TYPE_CLASS:
2753 case MONO_TYPE_OBJECT:
2754 case MONO_TYPE_STRING:
2755 case MONO_TYPE_ARRAY:
2756 case MONO_TYPE_SZARRAY:
2760 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2762 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2764 mono_mb_emit_byte (mb, CEE_CALL);
2765 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2767 mono_mb_emit_ldarg (mb, argnum);
2769 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2770 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
2772 mono_mb_emit_stloc (mb, tmp_locals [i]);
2775 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2776 g_assert_not_reached ();
2784 case MONO_TYPE_VALUETYPE:
2785 klass = t->data.klass;
2787 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2788 klass->blittable || klass->enumtype)
2791 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2793 /* store the address of the source into local variable 0 */
2795 mono_mb_emit_ldarg (mb, argnum);
2797 mono_mb_emit_ldarg_addr (mb, argnum);
2799 mono_mb_emit_byte (mb, CEE_STLOC_0);
2801 /* allocate space for the native struct and
2802 * store the address into local variable 1 (dest) */
2803 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2804 mono_mb_emit_byte (mb, CEE_PREFIX1);
2805 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2806 mono_mb_emit_stloc (mb, tmp_locals [i]);
2809 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2810 mono_mb_emit_byte (mb, CEE_BRFALSE);
2812 mono_mb_emit_i4 (mb, 0);
2816 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2817 mono_mb_emit_byte (mb, CEE_STLOC_1);
2819 /* emit valuetype conversion code */
2820 emit_struct_conv (mb, klass, FALSE);
2823 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2825 case MONO_TYPE_STRING:
2826 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2827 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2830 if (t->attrs & PARAM_ATTRIBUTE_OUT)
2833 mono_mb_emit_ldarg (mb, argnum);
2834 mono_mb_emit_byte (mb, CEE_LDIND_I);
2836 mono_mb_emit_ldarg (mb, argnum);
2839 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2840 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2843 switch (spec->native) {
2844 case MONO_NATIVE_LPWSTR:
2845 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
2847 case MONO_NATIVE_LPSTR:
2848 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2851 g_warning ("marshalling conversion %d not implemented", spec->native);
2852 g_assert_not_reached ();
2855 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2856 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2857 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2859 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2860 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
2862 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2863 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
2866 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2871 mono_mb_emit_stloc (mb, tmp_locals [i]);
2873 case MONO_TYPE_CLASS:
2874 case MONO_TYPE_OBJECT:
2875 klass = t->data.klass;
2877 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2878 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2880 if (klass->delegate) {
2881 g_assert (!t->byref);
2882 mono_mb_emit_ldarg (mb, argnum);
2883 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2884 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2885 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
2886 mono_mb_emit_stloc (mb, tmp_locals [i]);
2887 } else if (klass == mono_defaults.stringbuilder_class) {
2888 g_assert (!t->byref);
2889 mono_mb_emit_ldarg (mb, argnum);
2890 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2891 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2892 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
2893 mono_mb_emit_stloc (mb, tmp_locals [i]);
2895 mono_mb_emit_byte (mb, CEE_LDNULL);
2896 mono_mb_emit_stloc (mb, tmp_locals [i]);
2899 /* we dont need any conversions for out parameters */
2900 if (t->attrs & PARAM_ATTRIBUTE_OUT)
2903 mono_mb_emit_ldarg (mb, argnum);
2904 mono_mb_emit_byte (mb, CEE_LDIND_I);
2907 mono_mb_emit_ldarg (mb, argnum);
2908 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2909 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2912 /* store the address of the source into local variable 0 */
2913 mono_mb_emit_byte (mb, CEE_STLOC_0);
2914 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2915 mono_mb_emit_byte (mb, CEE_BRFALSE);
2917 mono_mb_emit_i4 (mb, 0);
2919 /* allocate space for the native struct and store the address */
2920 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2921 mono_mb_emit_byte (mb, CEE_PREFIX1);
2922 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2923 mono_mb_emit_stloc (mb, tmp_locals [i]);
2925 /* set the src_ptr */
2926 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2927 mono_mb_emit_icon (mb, sizeof (MonoObject));
2928 mono_mb_emit_byte (mb, CEE_ADD);
2929 mono_mb_emit_byte (mb, CEE_STLOC_0);
2932 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2933 mono_mb_emit_byte (mb, CEE_STLOC_1);
2935 /* emit valuetype conversion code */
2936 emit_struct_conv (mb, klass, FALSE);
2938 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2942 case MONO_TYPE_ARRAY:
2943 case MONO_TYPE_SZARRAY:
2947 klass = mono_class_from_mono_type (t);
2949 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2950 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2952 if (klass->element_class == mono_defaults.string_class) {
2953 mono_mb_emit_ldarg (mb, argnum);
2954 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2955 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2957 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
2958 mono_mb_emit_stloc (mb, tmp_locals [i]);
2960 else if (klass->element_class->blittable) {
2961 mono_mb_emit_ldarg (mb, argnum);
2962 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2963 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2965 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
2966 mono_mb_emit_stloc (mb, tmp_locals [i]);
2970 guint32 label1, label2, label3;
2971 int index_var, dest_ptr;
2973 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2976 mono_mb_emit_ldarg (mb, argnum);
2977 mono_mb_emit_stloc (mb, tmp_locals [i]);
2978 mono_mb_emit_ldarg (mb, argnum);
2979 mono_mb_emit_byte (mb, CEE_BRFALSE);
2981 mono_mb_emit_i4 (mb, 0);
2983 /* allocate space for the native struct and store the address */
2984 eklass = klass->element_class;
2985 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
2986 mono_mb_emit_ldarg (mb, argnum);
2987 mono_mb_emit_byte (mb, CEE_LDLEN);
2988 mono_mb_emit_byte (mb, CEE_MUL);
2989 mono_mb_emit_byte (mb, CEE_PREFIX1);
2990 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2991 mono_mb_emit_stloc (mb, tmp_locals [i]);
2993 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2994 mono_mb_emit_stloc (mb, dest_ptr);
2996 /* Emit marshalling loop */
2997 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2998 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2999 mono_mb_emit_stloc (mb, index_var);
3001 mono_mb_emit_ldloc (mb, index_var);
3002 mono_mb_emit_ldarg (mb, argnum);
3003 mono_mb_emit_byte (mb, CEE_LDLEN);
3004 mono_mb_emit_byte (mb, CEE_BGE);
3006 mono_mb_emit_i4 (mb, 0);
3008 /* Emit marshalling code */
3010 /* set the src_ptr */
3011 mono_mb_emit_ldarg (mb, argnum);
3012 mono_mb_emit_ldloc (mb, index_var);
3013 mono_mb_emit_byte (mb, CEE_LDELEMA);
3014 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3015 mono_mb_emit_byte (mb, CEE_STLOC_0);
3018 mono_mb_emit_ldloc (mb, dest_ptr);
3019 mono_mb_emit_byte (mb, CEE_STLOC_1);
3021 /* emit valuetype conversion code */
3022 emit_struct_conv (mb, eklass, FALSE);
3024 mono_mb_emit_add_to_local (mb, index_var, 1);
3025 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3027 mono_mb_emit_byte (mb, CEE_BR);
3028 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3030 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3031 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3035 case MONO_TYPE_BOOLEAN: {
3036 MonoType *local_type;
3037 int variant_bool = 0;
3041 local_type = &mono_defaults.int32_class->byval_arg;
3043 switch (spec->native) {
3044 case MONO_NATIVE_I1:
3045 local_type = &mono_defaults.byte_class->byval_arg;
3047 case MONO_NATIVE_VARIANTBOOL:
3048 local_type = &mono_defaults.int16_class->byval_arg;
3052 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3056 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3057 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3058 mono_mb_emit_ldarg (mb, argnum);
3059 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3061 mono_mb_emit_byte (mb, CEE_NEG);
3062 mono_mb_emit_stloc (mb, tmp_locals [i]);
3068 /* push all arguments */
3071 mono_mb_emit_byte (mb, CEE_LDARG_0);
3073 for (i = 0; i < sig->param_count; i++) {
3074 MonoType *t = sig->params [i];
3076 argnum = i + sig->hasthis;
3079 case MONO_TYPE_BOOLEAN:
3081 g_assert (tmp_locals [i]);
3082 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3084 mono_mb_emit_ldarg (mb, argnum);
3099 mono_mb_emit_ldarg (mb, argnum);
3101 case MONO_TYPE_VALUETYPE:
3102 klass = sig->params [i]->data.klass;
3103 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3104 klass->blittable || klass->enumtype) {
3105 mono_mb_emit_ldarg (mb, argnum);
3108 g_assert (tmp_locals [i]);
3109 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3111 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3112 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3113 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3116 case MONO_TYPE_STRING:
3117 case MONO_TYPE_CLASS:
3118 case MONO_TYPE_OBJECT:
3119 g_assert (tmp_locals [i]);
3121 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3123 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3125 case MONO_TYPE_CHAR:
3126 /* fixme: dont know how to marshal that. We cant simply
3127 * convert it to a one byte UTF8 character, because an
3128 * unicode character may need more that one byte in UTF8 */
3129 mono_mb_emit_ldarg (mb, argnum);
3131 case MONO_TYPE_ARRAY:
3132 case MONO_TYPE_SZARRAY:
3134 mono_mb_emit_ldarg (mb, argnum);
3136 g_assert (tmp_locals [i]);
3137 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3140 case MONO_TYPE_TYPEDBYREF:
3141 case MONO_TYPE_FNPTR:
3143 g_warning ("type 0x%02x unknown", t->type);
3144 g_assert_not_reached ();
3148 /* call the native method */
3149 mono_mb_emit_native_call (mb, csig, method->addr);
3151 /* convert the result */
3152 if (!sig->ret->byref) {
3153 MonoMarshalSpec *spec = mspecs [0];
3154 type = sig->ret->type;
3156 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3159 MonoMethod *marshal_native_to_managed;
3160 MonoMethod *get_instance;
3162 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3163 g_assert (mtype != NULL);
3164 mklass = mono_class_from_mono_type (mtype);
3165 g_assert (mklass != NULL);
3167 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3168 g_assert (marshal_native_to_managed);
3169 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3170 g_assert (get_instance);
3173 case MONO_TYPE_CLASS:
3174 case MONO_TYPE_OBJECT:
3175 case MONO_TYPE_STRING:
3176 case MONO_TYPE_ARRAY:
3177 case MONO_TYPE_SZARRAY:
3178 mono_mb_emit_byte (mb, CEE_STLOC_3);
3180 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3182 mono_mb_emit_byte (mb, CEE_CALL);
3183 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3185 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3187 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3188 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3190 mono_mb_emit_byte (mb, CEE_STLOC_3);
3193 g_warning ("custom marshalling of type %x is currently not supported", type);
3194 g_assert_not_reached ();
3201 case MONO_TYPE_VOID:
3216 /* no conversions necessary */
3217 mono_mb_emit_byte (mb, CEE_STLOC_3);
3219 case MONO_TYPE_BOOLEAN:
3220 /* maybe we need to make sure that it fits within 8 bits */
3221 mono_mb_emit_byte (mb, CEE_STLOC_3);
3223 case MONO_TYPE_VALUETYPE:
3224 klass = sig->ret->data.klass;
3225 if (klass->enumtype) {
3226 type = sig->ret->data.klass->enum_basetype->type;
3230 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3232 mono_mb_emit_byte (mb, CEE_STLOC_3);
3235 /* load pointer to returned value type */
3236 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3237 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3238 /* store the address of the source into local variable 0 */
3239 mono_mb_emit_byte (mb, CEE_STLOC_0);
3241 mono_mb_emit_ldloc_addr (mb, 3);
3242 mono_mb_emit_byte (mb, CEE_STLOC_1);
3244 /* emit valuetype conversion code */
3245 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3247 case MONO_TYPE_STRING:
3248 #ifdef GTK_SHARP_FIXED
3249 mono_mb_emit_byte (mb, CEE_STLOC_0);
3250 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3253 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3254 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3256 switch (spec->native) {
3257 case MONO_NATIVE_LPWSTR:
3258 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3261 g_warning ("marshalling conversion not implemented");
3262 g_assert_not_reached ();
3265 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3267 mono_mb_emit_byte (mb, CEE_STLOC_3);
3269 #ifdef GTK_SHARP_FIXED
3270 /* free the string */
3271 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3272 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3273 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3276 case MONO_TYPE_CLASS:
3277 case MONO_TYPE_OBJECT:
3278 klass = sig->ret->data.klass;
3281 mono_mb_emit_byte (mb, CEE_STLOC_0);
3283 mono_mb_emit_byte (mb, CEE_LDNULL);
3284 mono_mb_emit_byte (mb, CEE_STLOC_3);
3287 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3288 mono_mb_emit_byte (mb, CEE_BRFALSE);
3290 mono_mb_emit_i4 (mb, 0);
3292 /* allocate result object */
3294 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3295 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3296 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3297 mono_mb_emit_byte (mb, CEE_STLOC_3);
3301 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3302 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3303 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3304 mono_mb_emit_icon (mb, sizeof (MonoObject));
3305 mono_mb_emit_byte (mb, CEE_ADD);
3306 mono_mb_emit_byte (mb, CEE_STLOC_1);
3308 /* emit conversion code */
3309 emit_struct_conv (mb, klass, TRUE);
3311 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3313 case MONO_TYPE_ARRAY:
3314 case MONO_TYPE_SZARRAY:
3315 /* fixme: we need conversions here */
3316 mono_mb_emit_byte (mb, CEE_STLOC_3);
3318 case MONO_TYPE_CHAR:
3319 /* fixme: we need conversions here */
3320 mono_mb_emit_byte (mb, CEE_STLOC_3);
3322 case MONO_TYPE_TYPEDBYREF:
3323 case MONO_TYPE_FNPTR:
3325 g_warning ("return type 0x%02x unknown", sig->ret->type);
3326 g_assert_not_reached ();
3330 mono_mb_emit_byte (mb, CEE_STLOC_3);
3333 /* we need to convert byref arguments back and free string arrays */
3334 for (i = 0; i < sig->param_count; i++) {
3335 MonoType *t = sig->params [i];
3337 argnum = i + sig->hasthis;
3340 case MONO_TYPE_STRING:
3341 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3342 mono_mb_emit_ldarg (mb, argnum);
3343 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3344 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3345 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3346 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3347 mono_mb_emit_byte (mb, CEE_STIND_I);
3349 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3350 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3351 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3354 case MONO_TYPE_CLASS:
3355 case MONO_TYPE_OBJECT:
3356 if (t->data.klass == mono_defaults.stringbuilder_class) {
3357 g_assert (!t->byref);
3358 mono_mb_emit_ldarg (mb, argnum);
3359 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3360 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3361 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3362 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3363 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3364 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3365 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3369 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3372 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3373 /* allocate a new object new object */
3374 mono_mb_emit_ldarg (mb, argnum);
3375 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3376 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3377 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3378 mono_mb_emit_byte (mb, CEE_STIND_I);
3381 /* dst = *argument */
3382 mono_mb_emit_ldarg (mb, argnum);
3385 mono_mb_emit_byte (mb, CEE_LDIND_I);
3387 mono_mb_emit_byte (mb, CEE_STLOC_1);
3389 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3390 mono_mb_emit_byte (mb, CEE_BRFALSE);
3392 mono_mb_emit_i4 (mb, 0);
3394 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3395 mono_mb_emit_icon (mb, sizeof (MonoObject));
3396 mono_mb_emit_byte (mb, CEE_ADD);
3397 mono_mb_emit_byte (mb, CEE_STLOC_1);
3399 /* src = tmp_locals [i] */
3400 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3401 mono_mb_emit_byte (mb, CEE_STLOC_0);
3403 /* emit valuetype conversion code */
3404 emit_struct_conv (mb, klass, TRUE);
3406 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3408 case MONO_TYPE_VALUETYPE:
3412 klass = t->data.klass;
3413 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3414 klass->blittable || klass->enumtype)
3417 /* dst = argument */
3418 mono_mb_emit_ldarg (mb, argnum);
3419 mono_mb_emit_byte (mb, CEE_STLOC_1);
3421 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3422 mono_mb_emit_byte (mb, CEE_BRFALSE);
3424 mono_mb_emit_i4 (mb, 0);
3426 /* src = tmp_locals [i] */
3427 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3428 mono_mb_emit_byte (mb, CEE_STLOC_0);
3430 /* emit valuetype conversion code */
3431 emit_struct_conv (mb, klass, TRUE);
3433 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3435 case MONO_TYPE_SZARRAY:
3439 klass = mono_class_from_mono_type (t);
3441 if (klass->element_class == mono_defaults.string_class) {
3442 g_assert (tmp_locals [i]);
3444 mono_mb_emit_ldarg (mb, argnum);
3445 mono_mb_emit_byte (mb, CEE_BRFALSE);
3447 mono_mb_emit_i4 (mb, 0);
3449 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3450 mono_mb_emit_ldarg (mb, argnum);
3451 mono_mb_emit_byte (mb, CEE_LDLEN);
3452 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3453 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3454 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3456 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3461 case MONO_TYPE_BOOLEAN:
3464 mono_mb_emit_ldarg (mb, argnum);
3465 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3466 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3467 mono_mb_emit_byte (mb, CEE_NEG);
3468 mono_mb_emit_byte (mb, CEE_STIND_I1);
3473 if (!MONO_TYPE_IS_VOID(sig->ret))
3474 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3476 mono_mb_emit_byte (mb, CEE_RET);
3478 csig = g_memdup (sig, sigsize);
3480 res = mono_mb_create_and_cache (cache, method,
3481 mb, csig, csig->param_count + 16);
3484 for (i = sig->param_count; i >= 0; i--)
3485 g_free (mspecs [i]);
3488 //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));
3494 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
3497 mono_marshal_get_struct_to_ptr (MonoClass *klass)
3499 MonoMethodBuilder *mb;
3500 static MonoMethod *stoptr = NULL;
3503 g_assert (klass != NULL);
3505 if (klass->str_to_ptr)
3506 return klass->str_to_ptr;
3509 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
3512 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
3514 if (klass->blittable) {
3515 mono_mb_emit_byte (mb, CEE_LDARG_1);
3516 mono_mb_emit_byte (mb, CEE_LDARG_0);
3517 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3518 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3519 mono_mb_emit_byte (mb, CEE_PREFIX1);
3520 mono_mb_emit_byte (mb, CEE_CPBLK);
3523 /* allocate local 0 (pointer) src_ptr */
3524 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3525 /* allocate local 1 (pointer) dst_ptr */
3526 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3527 /* allocate local 2 (boolean) delete_old */
3528 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3529 mono_mb_emit_byte (mb, CEE_LDARG_2);
3530 mono_mb_emit_byte (mb, CEE_STLOC_2);
3532 /* initialize src_ptr to point to the start of object data */
3533 mono_mb_emit_byte (mb, CEE_LDARG_0);
3534 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3535 mono_mb_emit_byte (mb, CEE_STLOC_0);
3537 /* initialize dst_ptr */
3538 mono_mb_emit_byte (mb, CEE_LDARG_1);
3539 mono_mb_emit_byte (mb, CEE_STLOC_1);
3541 emit_struct_conv (mb, klass, FALSE);
3544 mono_mb_emit_byte (mb, CEE_RET);
3546 res = mono_mb_create_method (mb, stoptr->signature, 0);
3549 klass->str_to_ptr = res;
3554 * generates IL code for PtrToStructure (IntPtr src, object structure)
3557 mono_marshal_get_ptr_to_struct (MonoClass *klass)
3559 MonoMethodBuilder *mb;
3560 static MonoMethod *ptostr = NULL;
3563 g_assert (klass != NULL);
3565 if (klass->ptr_to_str)
3566 return klass->ptr_to_str;
3569 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
3572 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
3574 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
3575 mono_mb_emit_byte (mb, CEE_LDARG_1);
3576 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3577 mono_mb_emit_byte (mb, CEE_LDARG_0);
3578 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3579 mono_mb_emit_byte (mb, CEE_PREFIX1);
3580 mono_mb_emit_byte (mb, CEE_CPBLK);
3583 /* allocate local 0 (pointer) src_ptr */
3584 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3585 /* allocate local 1 (pointer) dst_ptr */
3586 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3588 /* initialize src_ptr to point to the start of object data */
3589 mono_mb_emit_byte (mb, CEE_LDARG_0);
3590 mono_mb_emit_byte (mb, CEE_STLOC_0);
3592 /* initialize dst_ptr */
3593 mono_mb_emit_byte (mb, CEE_LDARG_1);
3594 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3595 mono_mb_emit_byte (mb, CEE_STLOC_1);
3597 emit_struct_conv (mb, klass, TRUE);
3600 mono_mb_emit_byte (mb, CEE_RET);
3602 res = mono_mb_create_method (mb, ptostr->signature, 0);
3605 klass->ptr_to_str = res;
3609 static MonoReflectionType *
3610 type_from_handle (MonoType *handle)
3612 MonoDomain *domain = mono_domain_get ();
3613 MonoClass *klass = mono_class_from_mono_type (handle);
3615 MONO_ARCH_SAVE_REGS;
3617 mono_class_init (klass);
3618 return mono_type_get_object (domain, handle);
3622 * generates IL code for the synchronized wrapper: the generated method
3623 * calls METHOD while locking 'this' or the parent type.
3626 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
3628 static MonoMethodSignature *from_handle_sig = NULL;
3629 static MonoMethod *enter_method, *exit_method;
3630 MonoMethodSignature *sig;
3631 MonoExceptionClause *clause;
3632 MonoMethodHeader *header;
3633 MonoMethodBuilder *mb;
3636 int i, pos, this_local, ret_local;
3640 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
3643 cache = method->klass->image->synchronized_cache;
3644 if ((res = mono_marshal_find_in_cache (cache, method)))
3647 sig = method->signature;
3649 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
3652 if (!MONO_TYPE_IS_VOID (sig->ret))
3653 ret_local = mono_mb_add_local (mb, sig->ret);
3656 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3658 clause = g_new0 (MonoExceptionClause, 1);
3659 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
3661 if (!enter_method) {
3662 MonoMethodDesc *desc;
3664 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
3665 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3666 g_assert (enter_method);
3667 mono_method_desc_free (desc);
3668 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
3669 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3670 g_assert (exit_method);
3671 mono_method_desc_free (desc);
3674 * GetTypeFromHandle isn't called as a managed method because it has
3675 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
3676 * transformed into something else by the JIT.
3678 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3679 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
3680 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
3683 /* Push this or the type object */
3684 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
3685 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3686 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3687 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
3688 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
3691 mono_mb_emit_ldarg (mb, 0);
3692 mono_mb_emit_stloc (mb, this_local);
3694 /* Call Monitor::Enter() */
3695 mono_mb_emit_ldloc (mb, this_local);
3696 mono_mb_emit_managed_call (mb, enter_method, NULL);
3698 clause->try_offset = mb->pos;
3700 /* Call the method */
3702 mono_mb_emit_ldarg (mb, 0);
3703 for (i = 0; i < sig->param_count; i++)
3704 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
3705 mono_mb_emit_managed_call (mb, method, method->signature);
3706 if (!MONO_TYPE_IS_VOID (sig->ret))
3707 mono_mb_emit_stloc (mb, ret_local);
3709 mono_mb_emit_byte (mb, CEE_LEAVE);
3711 mono_mb_emit_i4 (mb, 0);
3713 clause->try_len = mb->pos - clause->try_offset;
3714 clause->handler_offset = mb->pos;
3716 /* Call Monitor::Exit() */
3717 mono_mb_emit_ldloc (mb, this_local);
3718 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
3719 mono_mb_emit_managed_call (mb, exit_method, NULL);
3720 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
3722 clause->handler_len = mb->pos - clause->handler_offset;
3724 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3725 if (!MONO_TYPE_IS_VOID (sig->ret))
3726 mono_mb_emit_ldloc (mb, ret_local);
3727 mono_mb_emit_byte (mb, CEE_RET);
3729 res = mono_mb_create_and_cache (cache, method,
3730 mb, sig, sig->param_count + 16);
3733 header = ((MonoMethodNormal *)res)->header;
3734 header->num_clauses = 1;
3735 header->clauses = clause;
3740 /* FIXME: on win32 we should probably use GlobalAlloc(). */
3742 mono_marshal_alloc (gpointer size)
3744 MONO_ARCH_SAVE_REGS;
3746 return g_try_malloc ((gulong)size);
3750 mono_marshal_free (gpointer ptr)
3752 MONO_ARCH_SAVE_REGS;
3758 mono_marshal_free_array (gpointer *ptr, int size)
3765 for (i = 0; i < size; i++)
3771 mono_marshal_realloc (gpointer ptr, gpointer size)
3773 MONO_ARCH_SAVE_REGS;
3775 return g_try_realloc (ptr, (gulong)size);
3779 mono_marshal_string_array (MonoArray *array)
3787 len = mono_array_length (array);
3789 result = g_malloc (sizeof (char *) * (len + 1));
3790 for (i = 0; i < len; ++i) {
3791 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
3792 result [i] = s ? mono_string_to_utf8 (s): NULL;
3794 /* null terminate the array */
3801 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
3802 gpointer dest, gint32 length)
3807 MONO_ARCH_SAVE_REGS;
3809 MONO_CHECK_ARG_NULL (src);
3810 MONO_CHECK_ARG_NULL (dest);
3812 g_assert (src->obj.vtable->klass->rank == 1);
3813 g_assert (start_index >= 0);
3814 g_assert (length >= 0);
3815 g_assert (start_index + length <= mono_array_length (src));
3817 element_size = mono_array_element_size (src->obj.vtable->klass);
3819 source_addr = mono_array_addr_with_size (src, element_size, start_index);
3821 memcpy (dest, source_addr, length * element_size);
3825 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
3826 MonoArray *dest, gint32 length)
3831 MONO_ARCH_SAVE_REGS;
3833 MONO_CHECK_ARG_NULL (src);
3834 MONO_CHECK_ARG_NULL (dest);
3836 g_assert (dest->obj.vtable->klass->rank == 1);
3837 g_assert (start_index >= 0);
3838 g_assert (length >= 0);
3839 g_assert (start_index + length <= mono_array_length (dest));
3841 element_size = mono_array_element_size (dest->obj.vtable->klass);
3843 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
3845 memcpy (dest_addr, src, length * element_size);
3849 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
3853 MONO_ARCH_SAVE_REGS;
3855 return *(gpointer*)(p + offset);
3859 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
3863 MONO_ARCH_SAVE_REGS;
3865 return *(unsigned char*)(p + offset);
3869 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
3873 MONO_ARCH_SAVE_REGS;
3875 return *(gint16*)(p + offset);
3879 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
3883 MONO_ARCH_SAVE_REGS;
3885 return *(gint32*)(p + offset);
3889 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
3893 MONO_ARCH_SAVE_REGS;
3895 return *(gint64*)(p + offset);
3899 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
3903 MONO_ARCH_SAVE_REGS;
3905 *(unsigned char*)(p + offset) = val;
3909 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
3913 MONO_ARCH_SAVE_REGS;
3915 *(gpointer*)(p + offset) = val;
3919 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
3923 MONO_ARCH_SAVE_REGS;
3925 *(gint16*)(p + offset) = val;
3929 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
3933 MONO_ARCH_SAVE_REGS;
3935 *(gint32*)(p + offset) = val;
3939 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
3943 MONO_ARCH_SAVE_REGS;
3945 *(gint64*)(p + offset) = val;
3949 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
3951 MONO_ARCH_SAVE_REGS;
3953 return mono_string_new (mono_domain_get (), ptr);
3957 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
3959 MONO_ARCH_SAVE_REGS;
3961 return mono_string_new_len (mono_domain_get (), ptr, len);
3965 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
3967 MonoDomain *domain = mono_domain_get ();
3971 MONO_ARCH_SAVE_REGS;
3976 return mono_string_new_utf16 (domain, ptr, len);
3980 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
3982 MonoDomain *domain = mono_domain_get ();
3984 MONO_ARCH_SAVE_REGS;
3986 return mono_string_new_utf16 (domain, ptr, len);
3990 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
3992 MONO_ARCH_SAVE_REGS;
3994 g_warning ("PtrToStringBSTR not implemented");
3995 g_assert_not_reached ();
4001 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4003 MONO_ARCH_SAVE_REGS;
4005 return (GetLastError ());
4009 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4013 MONO_ARCH_SAVE_REGS;
4015 MONO_CHECK_ARG_NULL (rtype);
4017 klass = mono_class_from_mono_type (rtype->type);
4019 return mono_class_native_size (klass, NULL);
4023 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4028 MONO_ARCH_SAVE_REGS;
4030 MONO_CHECK_ARG_NULL (obj);
4031 MONO_CHECK_ARG_NULL (dst);
4033 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4037 pa [2] = &delete_old;
4039 mono_runtime_invoke (method, NULL, pa, NULL);
4043 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4048 MONO_ARCH_SAVE_REGS;
4050 MONO_CHECK_ARG_NULL (src);
4051 MONO_CHECK_ARG_NULL (dst);
4053 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4058 mono_runtime_invoke (method, NULL, pa, NULL);
4062 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4064 MonoDomain *domain = mono_domain_get ();
4067 MONO_ARCH_SAVE_REGS;
4069 MONO_CHECK_ARG_NULL (src);
4070 MONO_CHECK_ARG_NULL (type);
4072 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4074 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4080 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4082 MonoMarshalType *info;
4085 int i, match_index = -1;
4087 MONO_ARCH_SAVE_REGS;
4089 MONO_CHECK_ARG_NULL (type);
4090 MONO_CHECK_ARG_NULL (field_name);
4092 fname = mono_string_to_utf8 (field_name);
4093 klass = mono_class_from_mono_type (type->type);
4095 while(klass && match_index == -1) {
4096 for (i = 0; i < klass->field.count; ++i) {
4097 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4103 if(match_index == -1)
4104 klass = klass->parent;
4109 if(match_index == -1) {
4113 /* Get back original class instance */
4114 klass = mono_class_from_mono_type (type->type);
4116 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4117 exc = mono_get_exception_argument ("fieldName", tmp);
4120 mono_raise_exception ((MonoException*)exc);
4123 info = mono_marshal_load_type_info (klass);
4124 return info->fields [match_index].offset;
4128 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4130 MONO_ARCH_SAVE_REGS;
4132 return mono_string_to_utf8 (string);
4136 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4138 MONO_ARCH_SAVE_REGS;
4140 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4144 mono_struct_delete_old (MonoClass *klass, char *ptr)
4146 MonoMarshalType *info;
4149 info = mono_marshal_load_type_info (klass);
4151 for (i = 0; i < info->num_fields; i++) {
4152 MonoMarshalNative ntype;
4153 MonoMarshalConv conv;
4154 MonoType *ftype = info->fields [i].field->type;
4157 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4160 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4161 klass->unicode, &conv);
4163 cpos = ptr + info->fields [i].offset;
4166 case MONO_MARSHAL_CONV_NONE:
4167 if (MONO_TYPE_ISSTRUCT (ftype)) {
4168 mono_struct_delete_old (ftype->data.klass, cpos);
4172 case MONO_MARSHAL_CONV_STR_LPWSTR:
4173 case MONO_MARSHAL_CONV_STR_LPSTR:
4174 case MONO_MARSHAL_CONV_STR_LPTSTR:
4175 case MONO_MARSHAL_CONV_STR_BSTR:
4176 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4177 case MONO_MARSHAL_CONV_STR_TBSTR:
4178 g_free (*(gpointer *)cpos);
4187 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4191 MONO_ARCH_SAVE_REGS;
4193 MONO_CHECK_ARG_NULL (src);
4194 MONO_CHECK_ARG_NULL (type);
4196 klass = mono_class_from_mono_type (type->type);
4198 mono_struct_delete_old (klass, (char *)src);
4202 mono_marshal_load_type_info (MonoClass* klass)
4204 int i, j, count = 0, native_size = 0;
4205 MonoMarshalType *info;
4208 g_assert (klass != NULL);
4210 if (klass->marshal_info)
4211 return klass->marshal_info;
4214 mono_class_init (klass);
4216 for (i = 0; i < klass->field.count; ++i) {
4217 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4222 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
4224 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
4225 info->num_fields = count;
4227 /* Try to find a size for this type in metadata */
4228 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
4230 if (klass->parent) {
4231 int parent_size = mono_class_native_size (klass->parent, NULL);
4233 /* Add parent size to real size */
4234 native_size += parent_size;
4235 info->native_size = parent_size;
4238 for (j = i = 0; i < klass->field.count; ++i) {
4241 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4244 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
4245 mono_metadata_field_info (klass->image, klass->field.first + i,
4246 NULL, NULL, &info->fields [j].mspec);
4248 info->fields [j].field = &klass->fields [i];
4250 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
4251 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
4252 /* This field is a hack inserted by MCS to empty structures */
4257 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
4258 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
4259 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
4260 &align, TRUE, klass->unicode);
4261 align = klass->packing_size ? MIN (klass->packing_size, align): align;
4262 info->fields [j].offset = info->native_size;
4263 info->fields [j].offset += align - 1;
4264 info->fields [j].offset &= ~(align - 1);
4265 info->native_size = info->fields [j].offset + size;
4267 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
4269 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
4270 info->native_size = klass->instance_size - sizeof (MonoObject);
4276 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4277 info->native_size = MAX (native_size, info->native_size);
4280 if (info->native_size & (klass->min_align - 1)) {
4281 info->native_size += klass->min_align - 1;
4282 info->native_size &= ~(klass->min_align - 1);
4285 return klass->marshal_info;
4289 * mono_class_native_size:
4292 * Returns: the native size of an object instance (when marshaled
4293 * to unmanaged code)
4296 mono_class_native_size (MonoClass *klass, guint32 *align)
4299 if (!klass->marshal_info)
4300 mono_marshal_load_type_info (klass);
4303 *align = klass->min_align;
4305 return klass->marshal_info->native_size;
4309 * mono_type_native_stack_size:
4310 * @t: the type to return the size it uses on the stack
4312 * Returns: the number of bytes required to hold an instance of this
4313 * type on the native stack
4316 mono_type_native_stack_size (MonoType *t, gint *align)
4320 g_assert (t != NULL);
4331 case MONO_TYPE_BOOLEAN:
4332 case MONO_TYPE_CHAR:
4341 case MONO_TYPE_STRING:
4342 case MONO_TYPE_OBJECT:
4343 case MONO_TYPE_CLASS:
4344 case MONO_TYPE_SZARRAY:
4346 case MONO_TYPE_FNPTR:
4347 case MONO_TYPE_ARRAY:
4348 case MONO_TYPE_TYPEDBYREF:
4359 case MONO_TYPE_VALUETYPE: {
4362 if (t->data.klass->enumtype)
4363 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
4365 size = mono_class_native_size (t->data.klass, align);
4366 *align = *align + 3;
4376 g_error ("type 0x%02x unknown", t->type);
4381 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
4382 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
4383 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
4384 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
4387 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
4388 gboolean as_field, gboolean unicode)
4390 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
4393 switch (native_type) {
4394 case MONO_NATIVE_BOOLEAN:
4397 case MONO_NATIVE_I1:
4398 case MONO_NATIVE_U1:
4401 case MONO_NATIVE_I2:
4402 case MONO_NATIVE_U2:
4403 case MONO_NATIVE_VARIANTBOOL:
4406 case MONO_NATIVE_I4:
4407 case MONO_NATIVE_U4:
4408 case MONO_NATIVE_ERROR:
4411 case MONO_NATIVE_I8:
4412 case MONO_NATIVE_U8:
4413 *align = ALIGNMENT(guint64);
4415 case MONO_NATIVE_R4:
4418 case MONO_NATIVE_R8:
4419 *align = ALIGNMENT(double);
4421 case MONO_NATIVE_INT:
4422 case MONO_NATIVE_UINT:
4423 case MONO_NATIVE_LPSTR:
4424 case MONO_NATIVE_LPWSTR:
4425 case MONO_NATIVE_LPTSTR:
4426 case MONO_NATIVE_BSTR:
4427 case MONO_NATIVE_ANSIBSTR:
4428 case MONO_NATIVE_TBSTR:
4429 case MONO_NATIVE_LPARRAY:
4430 case MONO_NATIVE_SAFEARRAY:
4431 case MONO_NATIVE_IUNKNOWN:
4432 case MONO_NATIVE_IDISPATCH:
4433 case MONO_NATIVE_INTERFACE:
4434 case MONO_NATIVE_ASANY:
4435 case MONO_NATIVE_FUNC:
4436 case MONO_NATIVE_LPSTRUCT:
4437 *align = ALIGNMENT(gpointer);
4438 return sizeof (gpointer);
4439 case MONO_NATIVE_STRUCT:
4440 klass = mono_class_from_mono_type (type);
4441 return mono_class_native_size (klass, align);
4442 case MONO_NATIVE_BYVALTSTR: {
4443 int esize = unicode ? 2: 1;
4446 return mspec->data.array_data.num_elem * esize;
4448 case MONO_NATIVE_BYVALARRAY: {
4450 klass = mono_class_from_mono_type (type);
4451 esize = mono_class_native_size (klass->element_class, align);
4453 return mspec->data.array_data.num_elem * esize;
4455 case MONO_NATIVE_CUSTOM:
4456 g_assert_not_reached ();
4458 case MONO_NATIVE_CURRENCY:
4459 case MONO_NATIVE_VBBYREFSTR:
4461 g_error ("native type %02x not implemented", native_type);
4464 g_assert_not_reached ();