2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/threads.h"
21 #include "mono/metadata/monitor.h"
25 //#define DEBUG_RUNTIME_CODE
27 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
31 #include "mono/cil/opcode.def"
36 struct _MonoMethodBuilder {
40 guint32 code_size, pos;
45 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
48 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
50 MonoMethod *res = NULL;
53 for (i = 0; i < klass->method.count; ++i) {
54 if (klass->methods [i]->name[0] == name [0] &&
55 !strcmp (name, klass->methods [i]->name) &&
56 klass->methods [i]->signature->param_count == param_count) {
57 res = klass->methods [i];
64 #ifdef DEBUG_RUNTIME_CODE
66 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
68 return g_strdup (" ");
71 static MonoDisHelper marshal_dh = {
81 /* This mutex protects the various marshalling related caches in MonoImage */
82 static CRITICAL_SECTION marshal_mutex;
84 /* Maps wrapper methods to the methods they wrap */
85 static MonoGHashTable *wrapper_hash;
87 static guint32 last_error_tls_id;
90 mono_marshal_init (void)
92 static gboolean module_initialized = FALSE;
94 if (!module_initialized) {
95 module_initialized = TRUE;
96 InitializeCriticalSection (&marshal_mutex);
97 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
98 last_error_tls_id = TlsAlloc ();
103 mono_delegate_to_ftnptr (MonoDelegate *delegate)
105 MonoMethod *method, *wrapper, *invoke;
106 MonoMarshalSpec **mspecs;
113 if (delegate->delegate_trampoline)
114 return delegate->delegate_trampoline;
116 klass = ((MonoObject *)delegate)->vtable->klass;
117 g_assert (klass->delegate);
120 method = delegate->method_info->method;
121 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
123 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
124 mono_method_get_marshal_info (invoke, mspecs);
126 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
128 for (i = invoke->signature->param_count; i >= 0; i--)
132 delegate->delegate_trampoline = mono_compile_method (wrapper);
134 return delegate->delegate_trampoline;
138 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
142 d = mono_object_new (mono_domain_get (), klass);
144 /* FIXME: Add a managed->native wrapper */
145 g_assert_not_reached ();
147 mono_delegate_ctor ((MonoObject*)d, NULL, ftn);
153 mono_array_to_savearray (MonoArray *array)
158 g_assert_not_reached ();
163 mono_array_to_lparray (MonoArray *array)
168 /* fixme: maybe we need to make a copy */
169 return array->vector;
173 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
175 GError *error = NULL;
185 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
187 if (items_written > mono_stringbuilder_capacity (sb))
188 items_written = mono_stringbuilder_capacity (sb);
191 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
192 sb->length = items_written;
194 g_error_free (error);
200 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
207 g_assert (mono_string_chars (sb->str) == text);
209 for (len = 0; text [len] != 0; ++len)
216 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
218 GError *error = NULL;
224 res = g_malloc0 (mono_stringbuilder_capacity (sb) + 1);
226 g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
228 g_error_free (error);
229 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
236 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
241 return mono_string_chars (sb->str);
245 mono_string_to_ansibstr (MonoString *string_obj)
247 g_error ("implement me");
252 mono_string_to_bstr (MonoString *string_obj)
254 g_error ("implement me");
259 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
264 g_assert (dst != NULL);
267 memset (dst, 0, size);
272 s = mono_string_to_utf8 (src);
273 len = MIN (size, strlen (s));
274 memcpy (dst, s, len);
277 *((char *)dst + size - 1) = 0;
281 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
285 g_assert (dst != NULL);
289 memset (dst, 0, size);
293 len = MIN (size, (mono_string_length (src) * 2));
294 memcpy (dst, mono_string_chars (src), len);
296 *((char *)dst + size - 1) = 0;
297 *((char *)dst + size - 2) = 0;
301 mono_mb_free (MonoMethodBuilder *mb)
303 g_list_free (mb->locals_list);
308 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
310 MonoMethodBuilder *mb;
313 g_assert (klass != NULL);
314 g_assert (name != NULL);
316 mb = g_new0 (MonoMethodBuilder, 1);
318 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
321 m->name = g_strdup (name);
323 m->inline_count = -1;
324 m->wrapper_type = type;
327 mb->code = g_malloc (mb->code_size);
333 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
335 int res = mb->locals;
337 g_assert (mb != NULL);
338 g_assert (type != NULL);
340 mb->locals_list = g_list_append (mb->locals_list, type);
347 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
349 MonoMethodHeader *header;
353 g_assert (mb != NULL);
355 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
356 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
361 header->max_stack = max_stack;
363 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
364 header->locals [i] = (MonoType *)l->data;
367 mb->method->signature = signature;
368 header->code = mb->code;
369 header->code_size = mb->pos;
370 header->num_locals = mb->locals;
372 #ifdef DEBUG_RUNTIME_CODE
373 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
374 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
381 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
383 MonoMethodWrapper *mw;
385 g_assert (mb != NULL);
387 mw = (MonoMethodWrapper *)mb->method;
389 mw->data = g_list_append (mw->data, data);
391 return g_list_length (mw->data);
395 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
397 mb->code [pos] = value & 0xff;
398 mb->code [pos + 1] = (value >> 8) & 0xff;
399 mb->code [pos + 2] = (value >> 16) & 0xff;
400 mb->code [pos + 3] = (value >> 24) & 0xff;
404 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
406 *((gint8 *)(&mb->code [pos])) = value;
410 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
412 if (mb->pos >= mb->code_size) {
414 mb->code = g_realloc (mb->code, mb->code_size);
417 mb->code [mb->pos++] = op;
421 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
423 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
424 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
427 mono_mb_emit_icon (mb, offset);
428 mono_mb_emit_byte (mb, CEE_ADD);
433 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
436 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
437 mono_mb_emit_byte (mb, CEE_LDIND_I);
438 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
439 mono_mb_emit_byte (mb, CEE_ADD);
440 mono_mb_emit_byte (mb, CEE_LDIND_I);
441 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
442 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
443 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
444 mono_mb_emit_byte (mb, branch_code);
446 mono_mb_emit_i4 (mb, 0);
451 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
453 if ((mb->pos + 4) >= mb->code_size) {
455 mb->code = g_realloc (mb->code, mb->code_size);
458 mono_mb_patch_addr (mb, mb->pos, data);
463 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
465 if ((mb->pos + 2) >= mb->code_size) {
467 mb->code = g_realloc (mb->code, mb->code_size);
470 mb->code [mb->pos] = data & 0xff;
471 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
476 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
478 mono_mb_emit_byte (mb, CEE_LDSTR);
479 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
484 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
487 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
488 } else if (argnum < 256) {
489 mono_mb_emit_byte (mb, CEE_LDARG_S);
490 mono_mb_emit_byte (mb, argnum);
492 mono_mb_emit_byte (mb, CEE_PREFIX1);
493 mono_mb_emit_byte (mb, CEE_LDARG);
494 mono_mb_emit_i2 (mb, argnum);
499 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
502 mono_mb_emit_byte (mb, CEE_LDARGA_S);
503 mono_mb_emit_byte (mb, argnum);
505 mono_mb_emit_byte (mb, CEE_PREFIX1);
506 mono_mb_emit_byte (mb, CEE_LDARGA);
507 mono_mb_emit_i2 (mb, argnum);
512 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
515 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
516 mono_mb_emit_byte (mb, locnum);
518 mono_mb_emit_byte (mb, CEE_PREFIX1);
519 mono_mb_emit_byte (mb, CEE_LDLOCA);
520 mono_mb_emit_i2 (mb, locnum);
525 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
528 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
529 } else if (num < 256) {
530 mono_mb_emit_byte (mb, CEE_LDLOC_S);
531 mono_mb_emit_byte (mb, num);
533 mono_mb_emit_byte (mb, CEE_PREFIX1);
534 mono_mb_emit_byte (mb, CEE_LDLOC);
535 mono_mb_emit_i2 (mb, num);
540 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
543 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
544 } else if (num < 256) {
545 mono_mb_emit_byte (mb, CEE_STLOC_S);
546 mono_mb_emit_byte (mb, num);
548 mono_mb_emit_byte (mb, CEE_PREFIX1);
549 mono_mb_emit_byte (mb, CEE_STLOC);
550 mono_mb_emit_i2 (mb, num);
555 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
557 if (value >= -1 && value < 8) {
558 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
559 } else if (value >= -128 && value <= 127) {
560 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
561 mono_mb_emit_byte (mb, value);
563 mono_mb_emit_byte (mb, CEE_LDC_I4);
564 mono_mb_emit_i4 (mb, value);
569 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
572 mono_mb_emit_byte (mb, op);
574 mono_mb_emit_i4 (mb, 0);
579 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
581 mono_mb_emit_byte (mb, CEE_CALLI);
582 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
586 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
588 mono_mb_emit_byte (mb, CEE_PREFIX1);
589 mono_mb_emit_byte (mb, CEE_LDFTN);
590 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
591 mono_mb_emit_calli (mb, opt_sig ? opt_sig : method->signature);
595 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
597 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
598 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
599 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
600 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
601 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
602 mono_mb_emit_calli (mb, sig);
603 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
604 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
608 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
610 /* fixme: we need a better way to throw exception,
611 * supporting several exception types and messages */
612 MonoMethod *ctor = NULL;
614 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
616 mono_class_init (mme);
617 for (i = 0; i < mme->method.count; ++i) {
618 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
619 ctor = mme->methods [i];
624 mono_mb_emit_byte (mb, CEE_NEWOBJ);
625 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
627 mono_mb_emit_byte (mb, CEE_DUP);
628 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
629 mono_mb_emit_ldstr (mb, (char*)msg);
630 mono_mb_emit_byte (mb, CEE_STIND_I);
632 mono_mb_emit_byte (mb, CEE_THROW);
636 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
638 mono_mb_emit_ldloc (mb, local);
639 mono_mb_emit_icon (mb, incr);
640 mono_mb_emit_byte (mb, CEE_ADD);
641 mono_mb_emit_stloc (mb, local);
645 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
646 int usize, int msize, MonoMarshalSpec *mspec)
649 case MONO_MARSHAL_CONV_BOOL_I4:
650 mono_mb_emit_byte (mb, CEE_LDLOC_1);
651 mono_mb_emit_byte (mb, CEE_LDLOC_0);
652 mono_mb_emit_byte (mb, CEE_LDIND_I4);
653 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
654 mono_mb_emit_byte (mb, 3);
655 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
656 mono_mb_emit_byte (mb, CEE_BR_S);
657 mono_mb_emit_byte (mb, 1);
658 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
659 mono_mb_emit_byte (mb, CEE_STIND_I1);
661 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
662 mono_mb_emit_byte (mb, CEE_LDLOC_1);
663 mono_mb_emit_byte (mb, CEE_LDLOC_0);
664 mono_mb_emit_byte (mb, CEE_LDIND_I2);
665 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
666 mono_mb_emit_byte (mb, 3);
667 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
668 mono_mb_emit_byte (mb, CEE_BR_S);
669 mono_mb_emit_byte (mb, 1);
670 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
671 mono_mb_emit_byte (mb, CEE_STIND_I1);
673 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
674 MonoClass *eclass = NULL;
677 if (type->type == MONO_TYPE_SZARRAY) {
678 eclass = type->data.klass;
680 g_assert_not_reached ();
683 if (eclass->valuetype)
684 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
686 esize = sizeof (gpointer);
688 /* create a new array */
689 mono_mb_emit_byte (mb, CEE_LDLOC_1);
690 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
691 mono_mb_emit_byte (mb, CEE_NEWARR);
692 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
693 mono_mb_emit_byte (mb, CEE_STIND_I);
695 /* copy the elements */
696 mono_mb_emit_byte (mb, CEE_LDLOC_1);
697 mono_mb_emit_byte (mb, CEE_LDIND_I);
698 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
699 mono_mb_emit_byte (mb, CEE_ADD);
700 mono_mb_emit_byte (mb, CEE_LDLOC_0);
701 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
702 mono_mb_emit_byte (mb, CEE_PREFIX1);
703 mono_mb_emit_byte (mb, CEE_CPBLK);
707 case MONO_MARSHAL_CONV_STR_BYVALSTR:
708 mono_mb_emit_byte (mb, CEE_LDLOC_1);
709 mono_mb_emit_byte (mb, CEE_LDLOC_0);
710 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
711 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
712 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
713 mono_mb_emit_byte (mb, CEE_STIND_I);
715 case MONO_MARSHAL_CONV_STR_LPTSTR:
716 case MONO_MARSHAL_CONV_STR_LPSTR:
717 mono_mb_emit_byte (mb, CEE_LDLOC_1);
718 mono_mb_emit_byte (mb, CEE_LDLOC_0);
719 mono_mb_emit_byte (mb, CEE_LDIND_I);
720 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
721 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
722 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
723 mono_mb_emit_byte (mb, CEE_STIND_I);
725 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
726 MonoClass *klass = mono_class_from_mono_type (type);
727 int src_var, dst_var;
729 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
730 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
732 /* *dst = new object */
733 mono_mb_emit_byte (mb, CEE_LDLOC_1);
734 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
735 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
736 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
737 mono_mb_emit_byte (mb, CEE_STIND_I);
739 /* save the old src pointer */
740 mono_mb_emit_byte (mb, CEE_LDLOC_0);
741 mono_mb_emit_stloc (mb, src_var);
742 /* save the old dst pointer */
743 mono_mb_emit_byte (mb, CEE_LDLOC_1);
744 mono_mb_emit_stloc (mb, dst_var);
746 /* dst = pointer to newly created object data */
747 mono_mb_emit_byte (mb, CEE_LDLOC_1);
748 mono_mb_emit_byte (mb, CEE_LDIND_I);
749 mono_mb_emit_icon (mb, sizeof (MonoObject));
750 mono_mb_emit_byte (mb, CEE_ADD);
751 mono_mb_emit_byte (mb, CEE_STLOC_1);
753 emit_struct_conv (mb, klass, TRUE);
755 /* restore the old src pointer */
756 mono_mb_emit_ldloc (mb, src_var);
757 mono_mb_emit_byte (mb, CEE_STLOC_0);
758 /* restore the old dst pointer */
759 mono_mb_emit_ldloc (mb, dst_var);
760 mono_mb_emit_byte (mb, CEE_STLOC_1);
763 case MONO_MARSHAL_CONV_DEL_FTN: {
764 // fixme: we never convert functions back to delegates, dont
765 // know if thats the correct behaviour
768 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
769 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
771 case MONO_MARSHAL_CONV_STR_LPWSTR:
772 case MONO_MARSHAL_CONV_STR_BSTR:
773 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
774 case MONO_MARSHAL_CONV_STR_TBSTR:
775 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
776 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
778 g_warning ("marshaling conversion %d not implemented", conv);
779 g_assert_not_reached ();
784 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
785 MonoMarshalSpec *mspec)
790 case MONO_MARSHAL_CONV_BOOL_I4:
791 mono_mb_emit_byte (mb, CEE_LDLOC_1);
792 mono_mb_emit_byte (mb, CEE_LDLOC_0);
793 mono_mb_emit_byte (mb, CEE_LDIND_U1);
794 mono_mb_emit_byte (mb, CEE_STIND_I4);
796 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
797 mono_mb_emit_byte (mb, CEE_LDLOC_1);
798 mono_mb_emit_byte (mb, CEE_LDLOC_0);
799 mono_mb_emit_byte (mb, CEE_LDIND_U1);
800 mono_mb_emit_byte (mb, CEE_NEG);
801 mono_mb_emit_byte (mb, CEE_STIND_I2);
803 case MONO_MARSHAL_CONV_STR_LPWSTR:
804 case MONO_MARSHAL_CONV_STR_LPSTR:
805 case MONO_MARSHAL_CONV_STR_LPTSTR:
806 case MONO_MARSHAL_CONV_STR_BSTR:
807 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
808 case MONO_MARSHAL_CONV_STR_TBSTR:
809 /* free space if free == true */
810 mono_mb_emit_byte (mb, CEE_LDLOC_2);
811 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
812 mono_mb_emit_byte (mb, 4);
813 mono_mb_emit_byte (mb, CEE_LDLOC_1);
814 mono_mb_emit_byte (mb, CEE_LDIND_I);
815 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
816 mono_mb_emit_byte (mb, CEE_MONO_FREE);
818 mono_mb_emit_byte (mb, CEE_LDLOC_1);
819 mono_mb_emit_byte (mb, CEE_LDLOC_0);
820 mono_mb_emit_byte (mb, CEE_LDIND_I);
821 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
822 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
823 mono_mb_emit_byte (mb, conv);
824 mono_mb_emit_byte (mb, CEE_STIND_I);
826 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
827 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
828 case MONO_MARSHAL_CONV_DEL_FTN:
829 mono_mb_emit_byte (mb, CEE_LDLOC_1);
830 mono_mb_emit_byte (mb, CEE_LDLOC_0);
831 mono_mb_emit_byte (mb, CEE_LDIND_I);
832 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
833 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
834 mono_mb_emit_byte (mb, conv);
835 mono_mb_emit_byte (mb, CEE_STIND_I);
837 case MONO_MARSHAL_CONV_STR_BYVALSTR:
838 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
842 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
843 mono_mb_emit_byte (mb, CEE_LDLOC_0);
844 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
845 mono_mb_emit_icon (mb, usize);
846 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
847 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
848 mono_mb_emit_byte (mb, conv);
851 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
852 MonoClass *eclass = NULL;
855 if (type->type == MONO_TYPE_SZARRAY) {
856 eclass = type->data.klass;
858 g_assert_not_reached ();
861 if (eclass->valuetype)
862 esize = mono_class_native_size (eclass, NULL);
864 esize = sizeof (gpointer);
869 mono_mb_emit_byte (mb, CEE_LDLOC_0);
870 mono_mb_emit_byte (mb, CEE_LDIND_I);
871 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
873 mono_mb_emit_byte (mb, 0);
875 mono_mb_emit_byte (mb, CEE_LDLOC_1);
876 mono_mb_emit_byte (mb, CEE_LDLOC_0);
877 mono_mb_emit_byte (mb, CEE_LDIND_I);
878 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
879 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
880 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
881 mono_mb_emit_byte (mb, CEE_ADD);
882 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
883 mono_mb_emit_byte (mb, CEE_PREFIX1);
884 mono_mb_emit_byte (mb, CEE_CPBLK);
885 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
888 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
889 int src_var, dst_var;
891 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
892 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
894 mono_mb_emit_byte (mb, CEE_LDLOC_0);
895 mono_mb_emit_byte (mb, CEE_LDIND_I);
896 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
898 mono_mb_emit_byte (mb, 0);
900 /* save the old src pointer */
901 mono_mb_emit_byte (mb, CEE_LDLOC_0);
902 mono_mb_emit_stloc (mb, src_var);
903 /* save the old dst pointer */
904 mono_mb_emit_byte (mb, CEE_LDLOC_1);
905 mono_mb_emit_stloc (mb, dst_var);
907 /* src = pointer to object data */
908 mono_mb_emit_byte (mb, CEE_LDLOC_0);
909 mono_mb_emit_byte (mb, CEE_LDIND_I);
910 mono_mb_emit_icon (mb, sizeof (MonoObject));
911 mono_mb_emit_byte (mb, CEE_ADD);
912 mono_mb_emit_byte (mb, CEE_STLOC_0);
914 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
916 /* restore the old src pointer */
917 mono_mb_emit_ldloc (mb, src_var);
918 mono_mb_emit_byte (mb, CEE_STLOC_0);
919 /* restore the old dst pointer */
920 mono_mb_emit_ldloc (mb, dst_var);
921 mono_mb_emit_byte (mb, CEE_STLOC_1);
923 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
927 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
928 MonoException *exc = mono_get_exception_not_implemented (msg);
931 mono_raise_exception (exc);
937 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
939 MonoMarshalType *info;
943 emit_struct_conv(mb, klass->parent, to_object);
945 info = mono_marshal_load_type_info (klass);
947 if (info->native_size == 0)
950 if (klass->blittable) {
951 mono_mb_emit_byte (mb, CEE_LDLOC_1);
952 mono_mb_emit_byte (mb, CEE_LDLOC_0);
953 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
954 mono_mb_emit_byte (mb, CEE_PREFIX1);
955 mono_mb_emit_byte (mb, CEE_CPBLK);
959 for (i = 0; i < info->num_fields; i++) {
960 MonoMarshalNative ntype;
961 MonoMarshalConv conv;
962 MonoType *ftype = info->fields [i].field->type;
965 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
967 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
970 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
973 msize = klass->instance_size - info->fields [i].field->offset;
974 usize = info->native_size - info->fields [i].offset;
976 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
977 usize = info->fields [i + 1].offset - info->fields [i].offset;
979 if ((msize < 0) || (usize < 0))
980 /* This happens with GC aware auto layout */
981 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
983 g_assert ((msize >= 0) && (usize >= 0));
986 case MONO_MARSHAL_CONV_NONE: {
989 if (ftype->byref || ftype->type == MONO_TYPE_I ||
990 ftype->type == MONO_TYPE_U) {
991 mono_mb_emit_byte (mb, CEE_LDLOC_1);
992 mono_mb_emit_byte (mb, CEE_LDLOC_0);
993 mono_mb_emit_byte (mb, CEE_LDIND_I);
994 mono_mb_emit_byte (mb, CEE_STIND_I);
1003 #if SIZEOF_VOID_P == 4
1006 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1007 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1008 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1009 mono_mb_emit_byte (mb, CEE_STIND_I4);
1013 case MONO_TYPE_BOOLEAN:
1014 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1015 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1016 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1017 mono_mb_emit_byte (mb, CEE_STIND_I1);
1021 case MONO_TYPE_CHAR:
1022 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1023 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1024 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1025 mono_mb_emit_byte (mb, CEE_STIND_I2);
1029 #if SIZEOF_VOID_P == 8
1032 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1033 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1034 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1035 mono_mb_emit_byte (mb, CEE_STIND_I8);
1038 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1039 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1040 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1041 mono_mb_emit_byte (mb, CEE_STIND_R4);
1044 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1045 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1046 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1047 mono_mb_emit_byte (mb, CEE_STIND_R8);
1049 case MONO_TYPE_VALUETYPE:
1050 if (ftype->data.klass->enumtype) {
1051 t = ftype->data.klass->enum_basetype->type;
1054 emit_struct_conv (mb, ftype->data.klass, to_object);
1057 g_warning ("marshaling type %02x not implemented", ftype->type);
1058 g_assert_not_reached ();
1064 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1066 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1070 mono_mb_emit_add_to_local (mb, 0, usize);
1071 mono_mb_emit_add_to_local (mb, 1, msize);
1073 mono_mb_emit_add_to_local (mb, 0, msize);
1074 mono_mb_emit_add_to_local (mb, 1, usize);
1080 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1082 static MonoMethodSignature *state_check_sig = NULL;
1085 if (!state_check_sig) {
1086 state_check_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
1087 state_check_sig->ret = &mono_defaults.void_class->byval_arg;
1088 state_check_sig->pinvoke = 0;
1091 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1092 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1093 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1094 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1095 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1097 mono_mb_emit_native_call (mb, state_check_sig, mono_thread_interruption_checkpoint);
1099 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1102 static MonoAsyncResult *
1103 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1105 MonoMethodMessage *msg;
1106 MonoDelegate *async_callback;
1110 MonoMethod *method = NULL;
1113 g_assert (delegate);
1115 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1117 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1118 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1120 // If the target is a proxy, make a direct call. Is proxy's work
1121 // to make the call asynchronous.
1123 MonoAsyncResult *ares;
1125 MonoArray *out_args;
1127 method = delegate->method_info->method;
1129 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1130 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1131 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1132 ares->async_delegate = (MonoObject *)delegate;
1133 ares->async_callback = (MonoObject *)async_callback;
1134 msg->async_result = ares;
1135 msg->call_type = CallType_BeginInvoke;
1137 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1142 klass = delegate->object.vtable->klass;
1144 method = mono_get_delegate_invoke (klass);
1145 for (i = 0; i < klass->method.count; ++i) {
1146 if (klass->methods [i]->name[0] == 'B' &&
1147 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1148 method = klass->methods [i];
1153 g_assert (method != NULL);
1155 im = mono_get_delegate_invoke (method->klass);
1156 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1158 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1162 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1164 int i, params_var, tmp_var;
1166 /* allocate local (pointer) *params[] */
1167 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1168 /* allocate local (pointer) tmp */
1169 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1171 /* alloate space on stack to store an array of pointers to the arguments */
1172 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1173 mono_mb_emit_byte (mb, CEE_PREFIX1);
1174 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1175 mono_mb_emit_stloc (mb, params_var);
1178 mono_mb_emit_ldloc (mb, params_var);
1179 mono_mb_emit_stloc (mb, tmp_var);
1181 if (save_this && sig->hasthis) {
1182 mono_mb_emit_ldloc (mb, tmp_var);
1183 mono_mb_emit_ldarg_addr (mb, 0);
1184 mono_mb_emit_byte (mb, CEE_STIND_I);
1185 /* tmp = tmp + sizeof (gpointer) */
1186 if (sig->param_count)
1187 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1191 for (i = 0; i < sig->param_count; i++) {
1192 mono_mb_emit_ldloc (mb, tmp_var);
1193 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1194 mono_mb_emit_byte (mb, CEE_STIND_I);
1195 /* tmp = tmp + sizeof (gpointer) */
1196 if (i < (sig->param_count - 1))
1197 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1204 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1208 GString *res = g_string_new ("");
1211 g_string_append (res, prefix);
1212 g_string_append_c (res, '_');
1215 mono_type_get_desc (res, sig->ret, FALSE);
1217 for (i = 0; i < sig->param_count; ++i) {
1218 g_string_append_c (res, '_');
1219 mono_type_get_desc (res, sig->params [i], FALSE);
1222 g_string_free (res, FALSE);
1227 * mono_marshal_get_string_encoding:
1229 * Return the string encoding which should be used for a given parameter.
1231 static MonoMarshalNative
1232 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1234 /* First try the parameter marshal info */
1236 if (spec->native == MONO_NATIVE_LPARRAY) {
1237 if (spec->data.array_data.elem_type != 0)
1238 return spec->data.array_data.elem_type;
1241 return spec->native;
1245 return MONO_NATIVE_LPSTR;
1247 /* Then try the method level marshal info */
1248 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1249 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1250 return MONO_NATIVE_LPSTR;
1251 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1252 return MONO_NATIVE_LPWSTR;
1253 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1254 return MONO_NATIVE_LPTSTR;
1256 return MONO_NATIVE_LPSTR;
1260 static inline MonoMethod*
1261 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1265 EnterCriticalSection (&marshal_mutex);
1266 res = g_hash_table_lookup (cache, key);
1267 LeaveCriticalSection (&marshal_mutex);
1271 /* Create the method from the builder and place it in the cache */
1272 static inline MonoMethod*
1273 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1274 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1279 EnterCriticalSection (&marshal_mutex);
1280 res = g_hash_table_lookup (cache, key);
1282 /* This does not acquire any locks */
1283 res = mono_mb_create_method (mb, sig, max_stack);
1284 g_hash_table_insert (cache, key, res);
1285 mono_g_hash_table_insert (wrapper_hash, res, key);
1288 /* Somebody created it before us */
1290 LeaveCriticalSection (&marshal_mutex);
1296 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1300 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1303 EnterCriticalSection (&marshal_mutex);
1304 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1305 LeaveCriticalSection (&marshal_mutex);
1307 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1308 /* See mono_marshal_get_remoting_invoke_with_check */
1309 return (MonoMethod*)((char*)res - 1);
1315 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1317 MonoMethodSignature *sig;
1318 static MonoMethodSignature *csig = NULL;
1319 MonoMethodBuilder *mb;
1325 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1326 !strcmp (method->name, "BeginInvoke"));
1328 sig = method->signature;
1330 cache = method->klass->image->delegate_begin_invoke_cache;
1331 if ((res = mono_marshal_find_in_cache (cache, sig)))
1334 g_assert (sig->hasthis);
1337 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1339 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1340 csig->ret = &mono_defaults.object_class->byval_arg;
1341 csig->params [0] = &mono_defaults.object_class->byval_arg;
1342 csig->params [1] = &mono_defaults.int_class->byval_arg;
1345 name = mono_signature_to_name (sig, "begin_invoke");
1346 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1349 mb->method->save_lmf = 1;
1351 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1353 mono_mb_emit_ldarg (mb, 0);
1354 mono_mb_emit_ldloc (mb, params_var);
1355 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1356 emit_thread_interrupt_checkpoint (mb);
1357 mono_mb_emit_byte (mb, CEE_RET);
1359 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1365 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1367 MonoDomain *domain = mono_domain_get ();
1368 MonoAsyncResult *ares;
1369 MonoMethod *method = NULL;
1370 MonoMethodSignature *sig;
1371 MonoMethodMessage *msg;
1372 MonoObject *res, *exc;
1373 MonoArray *out_args;
1377 g_assert (delegate);
1379 if (!delegate->method_info || !delegate->method_info->method)
1380 g_assert_not_reached ();
1382 klass = delegate->object.vtable->klass;
1384 for (i = 0; i < klass->method.count; ++i) {
1385 if (klass->methods [i]->name[0] == 'E' &&
1386 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1387 method = klass->methods [i];
1392 g_assert (method != NULL);
1394 sig = method->signature;
1396 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1398 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1401 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1402 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1403 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1404 mono_message_init (domain, msg, delegate->method_info, NULL);
1405 msg->call_type = CallType_EndInvoke;
1406 msg->async_result = ares;
1407 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1410 res = mono_thread_pool_finish (ares, &out_args, &exc);
1413 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1415 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1417 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1419 mono_raise_exception ((MonoException*)exc);
1422 mono_method_return_message_restore (method, params, out_args);
1427 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1429 if (return_type->byref)
1430 return_type = &mono_defaults.int_class->byval_arg;
1431 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1432 return_type = return_type->data.klass->enum_basetype;
1434 switch (return_type->type) {
1435 case MONO_TYPE_VOID:
1436 g_assert_not_reached ();
1439 case MONO_TYPE_STRING:
1440 case MONO_TYPE_CLASS:
1441 case MONO_TYPE_OBJECT:
1442 case MONO_TYPE_ARRAY:
1443 case MONO_TYPE_SZARRAY:
1447 case MONO_TYPE_BOOLEAN:
1448 mono_mb_emit_byte (mb, CEE_UNBOX);
1449 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1450 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1453 mono_mb_emit_byte (mb, CEE_UNBOX);
1454 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1455 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1458 case MONO_TYPE_CHAR:
1459 mono_mb_emit_byte (mb, CEE_UNBOX);
1460 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1461 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1464 mono_mb_emit_byte (mb, CEE_UNBOX);
1465 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1466 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1470 mono_mb_emit_byte (mb, CEE_UNBOX);
1471 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1472 mono_mb_emit_byte (mb, CEE_LDIND_I);
1475 mono_mb_emit_byte (mb, CEE_UNBOX);
1476 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1477 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1480 mono_mb_emit_byte (mb, CEE_UNBOX);
1481 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1482 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1486 mono_mb_emit_byte (mb, CEE_UNBOX);
1487 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1488 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1491 mono_mb_emit_byte (mb, CEE_UNBOX);
1492 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1493 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1496 mono_mb_emit_byte (mb, CEE_UNBOX);
1497 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1498 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1500 case MONO_TYPE_VALUETYPE: {
1502 mono_mb_emit_byte (mb, CEE_UNBOX);
1503 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1504 mono_mb_emit_i4 (mb, class);
1505 mono_mb_emit_byte (mb, CEE_LDOBJ);
1506 mono_mb_emit_i4 (mb, class);
1510 g_warning ("type 0x%x not handled", return_type->type);
1511 g_assert_not_reached ();
1514 mono_mb_emit_byte (mb, CEE_RET);
1518 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1520 MonoMethodSignature *sig;
1521 static MonoMethodSignature *csig = NULL;
1522 MonoMethodBuilder *mb;
1528 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1529 !strcmp (method->name, "EndInvoke"));
1531 sig = method->signature;
1533 cache = method->klass->image->delegate_end_invoke_cache;
1534 if ((res = mono_marshal_find_in_cache (cache, sig)))
1537 g_assert (sig->hasthis);
1540 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1542 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1543 csig->ret = &mono_defaults.object_class->byval_arg;
1544 csig->params [0] = &mono_defaults.object_class->byval_arg;
1545 csig->params [1] = &mono_defaults.int_class->byval_arg;
1548 name = mono_signature_to_name (sig, "end_invoke");
1549 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1552 mb->method->save_lmf = 1;
1554 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1556 mono_mb_emit_ldarg (mb, 0);
1557 mono_mb_emit_ldloc (mb, params_var);
1558 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1559 emit_thread_interrupt_checkpoint (mb);
1561 if (sig->ret->type == MONO_TYPE_VOID) {
1562 mono_mb_emit_byte (mb, CEE_POP);
1563 mono_mb_emit_byte (mb, CEE_RET);
1565 mono_mb_emit_restore_result (mb, sig->ret);
1567 res = mono_mb_create_and_cache (cache, sig,
1568 mb, sig, sig->param_count + 16);
1575 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1577 MonoMethodMessage *msg;
1578 MonoTransparentProxy *this;
1579 MonoObject *res, *exc;
1580 MonoArray *out_args;
1582 this = *((MonoTransparentProxy **)params [0]);
1585 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1587 /* skip the this pointer */
1590 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1593 MonoMethodSignature *sig = method->signature;
1594 int count = sig->param_count;
1595 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1597 for (i=0; i<count; i++) {
1598 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1599 if (class->valuetype) {
1600 if (sig->params [i]->byref)
1601 mparams[i] = *((gpointer *)params [i]);
1603 mparams[i] = params [i];
1605 mparams[i] = *((gpointer**)params [i]);
1609 return mono_runtime_invoke (method, this, mparams, NULL);
1612 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1614 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1617 mono_raise_exception ((MonoException *)exc);
1619 mono_method_return_message_restore (method, params, out_args);
1625 mono_marshal_get_remoting_invoke (MonoMethod *method)
1627 MonoMethodSignature *sig;
1628 static MonoMethodSignature *csig = NULL;
1629 MonoMethodBuilder *mb;
1636 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1639 sig = method->signature;
1641 /* we cant remote methods without this pointer */
1645 cache = method->klass->image->remoting_invoke_cache;
1646 if ((res = mono_marshal_find_in_cache (cache, method)))
1650 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1651 csig->params [0] = &mono_defaults.int_class->byval_arg;
1652 csig->params [1] = &mono_defaults.int_class->byval_arg;
1653 csig->ret = &mono_defaults.object_class->byval_arg;
1657 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1658 mb->method->save_lmf = 1;
1660 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1662 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1663 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1664 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1665 mono_mb_emit_ldloc (mb, params_var);
1666 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1667 emit_thread_interrupt_checkpoint (mb);
1669 if (sig->ret->type == MONO_TYPE_VOID) {
1670 mono_mb_emit_byte (mb, CEE_POP);
1671 mono_mb_emit_byte (mb, CEE_RET);
1673 mono_mb_emit_restore_result (mb, sig->ret);
1676 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1683 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1685 MonoMethodSignature *sig;
1686 MonoMethodBuilder *mb;
1687 MonoMethod *res, *native;
1693 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1696 sig = method->signature;
1698 /* we cant remote methods without this pointer */
1699 g_assert (sig->hasthis);
1701 cache = method->klass->image->remoting_invoke_cache;
1702 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1705 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1707 mono_mb_emit_ldarg (mb, 0);
1708 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1710 native = mono_marshal_get_remoting_invoke (method);
1712 for (i = 0; i <= sig->param_count; i++)
1713 mono_mb_emit_ldarg (mb, i);
1715 mono_mb_emit_managed_call (mb, native, native->signature);
1716 mono_mb_emit_byte (mb, CEE_RET);
1718 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1720 for (i = 0; i <= sig->param_count; i++)
1721 mono_mb_emit_ldarg (mb, i);
1723 mono_mb_emit_managed_call (mb, method, method->signature);
1724 mono_mb_emit_byte (mb, CEE_RET);
1726 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1727 mb, sig, sig->param_count + 16);
1734 * the returned method invokes all methods in a multicast delegate
1737 mono_marshal_get_delegate_invoke (MonoMethod *method)
1739 MonoMethodSignature *sig, *static_sig;
1741 MonoMethodBuilder *mb;
1747 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1748 !strcmp (method->name, "Invoke"));
1750 sig = method->signature;
1752 cache = method->klass->image->delegate_invoke_cache;
1753 if ((res = mono_marshal_find_in_cache (cache, sig)))
1756 static_sig = mono_metadata_signature_dup (sig);
1757 static_sig->hasthis = 0;
1759 name = mono_signature_to_name (sig, "invoke");
1760 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1763 /* allocate local 0 (object) */
1764 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1766 g_assert (sig->hasthis);
1770 * prev.Invoke( args .. );
1771 * return this.<target>( args .. );
1774 /* this wrapper can be used in unmanaged-managed transitions */
1775 emit_thread_interrupt_checkpoint (mb);
1777 /* get this->prev */
1778 mono_mb_emit_ldarg (mb, 0);
1779 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1780 mono_mb_emit_byte (mb, CEE_LDIND_I );
1781 mono_mb_emit_stloc (mb, 0);
1783 /* if prev != null */
1784 mono_mb_emit_ldloc (mb, 0);
1785 mono_mb_emit_byte (mb, CEE_BRFALSE);
1788 mono_mb_emit_i4 (mb, 0);
1791 mono_mb_emit_ldloc (mb, 0);
1792 for (i = 0; i < sig->param_count; i++)
1793 mono_mb_emit_ldarg (mb, i + 1);
1794 mono_mb_emit_managed_call (mb, method, method->signature);
1795 if (sig->ret->type != MONO_TYPE_VOID)
1796 mono_mb_emit_byte (mb, CEE_POP);
1798 /* continued or prev == null */
1799 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1801 /* get this->target */
1802 mono_mb_emit_ldarg (mb, 0);
1803 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1804 mono_mb_emit_byte (mb, CEE_LDIND_I );
1805 mono_mb_emit_stloc (mb, 0);
1807 /* if target != null */
1808 mono_mb_emit_ldloc (mb, 0);
1809 mono_mb_emit_byte (mb, CEE_BRFALSE);
1811 mono_mb_emit_i4 (mb, 0);
1813 /* then call this->method_ptr nonstatic */
1814 mono_mb_emit_ldloc (mb, 0);
1815 for (i = 0; i < sig->param_count; ++i)
1816 mono_mb_emit_ldarg (mb, i + 1);
1817 mono_mb_emit_ldarg (mb, 0);
1818 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1819 mono_mb_emit_byte (mb, CEE_LDIND_I );
1820 mono_mb_emit_byte (mb, CEE_CALLI);
1821 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1823 mono_mb_emit_byte (mb, CEE_BR);
1825 mono_mb_emit_i4 (mb, 0);
1827 /* else [target == null] call this->method_ptr static */
1828 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1830 for (i = 0; i < sig->param_count; ++i)
1831 mono_mb_emit_ldarg (mb, i + 1);
1832 mono_mb_emit_ldarg (mb, 0);
1833 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1834 mono_mb_emit_byte (mb, CEE_LDIND_I );
1835 mono_mb_emit_byte (mb, CEE_CALLI);
1836 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1839 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1840 mono_mb_emit_byte (mb, CEE_RET);
1842 res = mono_mb_create_and_cache (cache, sig,
1843 mb, sig, sig->param_count + 16);
1850 * generates IL code for the runtime invoke function
1851 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
1853 * we also catch exceptions if exc != null
1856 mono_marshal_get_runtime_invoke (MonoMethod *method)
1858 MonoMethodSignature *sig, *csig, *callsig;
1859 MonoExceptionClause *clause;
1860 MonoMethodHeader *header;
1861 MonoMethodBuilder *mb;
1864 static MonoString *string_dummy = NULL;
1870 if (method->string_ctor) {
1871 static MonoMethodSignature *strsig = NULL;
1873 strsig = mono_metadata_signature_dup (method->signature);
1874 strsig->ret = &mono_defaults.string_class->byval_arg;
1879 callsig = method->signature;
1881 cache = method->klass->image->runtime_invoke_cache;
1882 if ((res = mono_marshal_find_in_cache (cache, callsig)))
1885 /* to make it work with our special string constructors */
1887 string_dummy = mono_string_new_wrapper ("dummy");
1889 sig = method->signature;
1891 csig = mono_metadata_signature_alloc (method->klass->image, 4);
1893 csig->ret = &mono_defaults.object_class->byval_arg;
1894 csig->params [0] = &mono_defaults.object_class->byval_arg;
1895 csig->params [1] = &mono_defaults.int_class->byval_arg;
1896 csig->params [2] = &mono_defaults.int_class->byval_arg;
1897 csig->params [3] = &mono_defaults.int_class->byval_arg;
1899 name = mono_signature_to_name (callsig, "runtime_invoke");
1900 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
1903 /* allocate local 0 (object) tmp */
1904 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1905 /* allocate local 1 (object) exc */
1906 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1908 /* cond set *exc to null */
1909 mono_mb_emit_byte (mb, CEE_LDARG_2);
1910 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1911 mono_mb_emit_byte (mb, 3);
1912 mono_mb_emit_byte (mb, CEE_LDARG_2);
1913 mono_mb_emit_byte (mb, CEE_LDNULL);
1914 mono_mb_emit_byte (mb, CEE_STIND_I);
1917 if (method->string_ctor) {
1918 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1919 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1920 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1922 mono_mb_emit_ldarg (mb, 0);
1923 if (method->klass->valuetype) {
1924 mono_mb_emit_byte (mb, CEE_UNBOX);
1925 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1930 for (i = 0; i < sig->param_count; i++) {
1931 MonoType *t = sig->params [i];
1934 mono_mb_emit_ldarg (mb, 1);
1936 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1937 mono_mb_emit_byte (mb, CEE_ADD);
1939 mono_mb_emit_byte (mb, CEE_LDIND_I);
1944 type = sig->params [i]->type;
1948 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1950 case MONO_TYPE_BOOLEAN:
1952 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1955 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1958 case MONO_TYPE_CHAR:
1959 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1963 mono_mb_emit_byte (mb, CEE_LDIND_I);
1966 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1969 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1972 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1975 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1979 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1981 case MONO_TYPE_STRING:
1982 case MONO_TYPE_CLASS:
1983 case MONO_TYPE_ARRAY:
1985 case MONO_TYPE_SZARRAY:
1986 case MONO_TYPE_OBJECT:
1989 case MONO_TYPE_VALUETYPE:
1990 if (t->data.klass->enumtype) {
1991 type = t->data.klass->enum_basetype->type;
1994 mono_mb_emit_byte (mb, CEE_LDOBJ);
1995 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1998 g_assert_not_reached ();
2002 mono_mb_emit_ldarg (mb, 3);
2003 mono_mb_emit_calli (mb, callsig);
2005 if (sig->ret->byref) {
2007 g_assert_not_reached ();
2011 switch (sig->ret->type) {
2012 case MONO_TYPE_VOID:
2013 if (!method->string_ctor)
2014 mono_mb_emit_byte (mb, CEE_LDNULL);
2016 case MONO_TYPE_BOOLEAN:
2017 case MONO_TYPE_CHAR:
2030 case MONO_TYPE_VALUETYPE:
2031 /* box value types */
2032 mono_mb_emit_byte (mb, CEE_BOX);
2033 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
2035 case MONO_TYPE_STRING:
2036 case MONO_TYPE_CLASS:
2037 case MONO_TYPE_ARRAY:
2038 case MONO_TYPE_SZARRAY:
2039 case MONO_TYPE_OBJECT:
2044 g_assert_not_reached ();
2047 mono_mb_emit_stloc (mb, 0);
2049 mono_mb_emit_byte (mb, CEE_LEAVE);
2051 mono_mb_emit_i4 (mb, 0);
2053 clause = g_new0 (MonoExceptionClause, 1);
2054 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
2055 clause->try_len = mb->pos;
2058 clause->token_or_filter = mb->pos;
2060 mono_mb_emit_byte (mb, CEE_POP);
2061 mono_mb_emit_byte (mb, CEE_LDARG_2);
2062 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2063 mono_mb_emit_byte (mb, CEE_PREFIX1);
2064 mono_mb_emit_byte (mb, CEE_CGT_UN);
2065 mono_mb_emit_byte (mb, CEE_PREFIX1);
2066 mono_mb_emit_byte (mb, CEE_ENDFILTER);
2068 clause->handler_offset = mb->pos;
2071 /* store exception */
2072 mono_mb_emit_stloc (mb, 1);
2074 mono_mb_emit_byte (mb, CEE_LDARG_2);
2075 mono_mb_emit_ldloc (mb, 1);
2076 mono_mb_emit_byte (mb, CEE_STIND_I);
2078 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2079 mono_mb_emit_stloc (mb, 0);
2081 mono_mb_emit_byte (mb, CEE_LEAVE);
2082 mono_mb_emit_i4 (mb, 0);
2084 clause->handler_len = mb->pos - clause->handler_offset;
2087 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2088 mono_mb_emit_ldloc (mb, 0);
2089 mono_mb_emit_byte (mb, CEE_RET);
2091 res = mono_mb_create_and_cache (cache, callsig, mb, csig, sig->param_count + 16);
2094 header = ((MonoMethodNormal *)res)->header;
2095 header->num_clauses = 1;
2096 header->clauses = clause;
2102 * generates IL code to call managed methods from unmanaged code
2105 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2107 MonoMethodSignature *sig, *csig;
2108 MonoMethodBuilder *mb;
2109 MonoClass *klass = NULL;
2112 int i, pos = 0, *tmp_locals;
2113 static MonoMethodSignature *alloc_sig = NULL;
2116 g_assert (method != NULL);
2117 g_assert (!method->signature->pinvoke);
2119 cache = method->klass->image->managed_wrapper_cache;
2120 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2123 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2125 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2126 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2127 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2128 alloc_sig->pinvoke = 1;
2132 /* fime: howto free that memory ? */
2135 sig = method->signature;
2137 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2139 /* allocate local 0 (pointer) src_ptr */
2140 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2141 /* allocate local 1 (pointer) dst_ptr */
2142 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2143 /* allocate local 2 (boolean) delete_old */
2144 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2146 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2147 /* allocate local 3 to store the return value */
2148 mono_mb_add_local (mb, sig->ret);
2151 mono_mb_emit_icon (mb, 0);
2152 mono_mb_emit_byte (mb, CEE_STLOC_2);
2154 /* we copy the signature, so that we can modify it */
2155 csig = mono_metadata_signature_dup (sig);
2159 #ifdef PLATFORM_WIN32
2161 * Under windows, delegates passed to native code must use the STDCALL
2162 * calling convention.
2164 csig->call_convention = MONO_CALL_STDCALL;
2167 /* fixme: howto handle this ? */
2171 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2172 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2173 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2178 g_assert_not_reached ();
2183 /* we first do all conversions */
2184 tmp_locals = alloca (sizeof (int) * sig->param_count);
2185 for (i = 0; i < sig->param_count; i ++) {
2186 MonoType *t = sig->params [i];
2187 MonoMarshalSpec *spec = mspecs [i + 1];
2191 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2194 MonoMethod *marshal_native_to_managed;
2195 MonoMethod *get_instance;
2197 /* FIXME: Call CleanUpNativeData after the call */
2199 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2200 g_assert (mtype != NULL);
2201 mklass = mono_class_from_mono_type (mtype);
2202 g_assert (mklass != NULL);
2204 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2205 g_assert (marshal_native_to_managed);
2206 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2207 g_assert (get_instance);
2210 case MONO_TYPE_CLASS:
2211 case MONO_TYPE_OBJECT:
2212 case MONO_TYPE_STRING:
2213 case MONO_TYPE_ARRAY:
2214 case MONO_TYPE_SZARRAY:
2218 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2220 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2222 mono_mb_emit_byte (mb, CEE_CALL);
2223 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2225 mono_mb_emit_ldarg (mb, i);
2227 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2228 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2230 mono_mb_emit_stloc (mb, tmp_locals [i]);
2233 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2234 g_assert_not_reached ();
2241 case MONO_TYPE_CLASS: {
2242 klass = t->data.klass;
2244 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2246 if (klass->delegate) {
2247 g_assert (!t->byref);
2248 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2249 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2250 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2251 mono_mb_emit_ldarg (mb, i);
2252 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2253 mono_mb_emit_byte (mb, CEE_MONO_FUNC2);
2254 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_FTN_DEL);
2255 mono_mb_emit_stloc (mb, tmp_locals [i]);
2259 /* FIXME: Raise a MarshalDirectiveException here */
2260 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2262 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2263 mono_mb_emit_byte (mb, CEE_LDNULL);
2264 mono_mb_emit_stloc (mb, tmp_locals [i]);
2269 mono_mb_emit_ldarg (mb, i);
2273 /* Check for NULL and raise an exception */
2274 mono_mb_emit_byte (mb, CEE_BRTRUE);
2276 mono_mb_emit_i4 (mb, 0);
2278 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2280 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2281 mono_mb_emit_ldarg (mb, i);
2282 mono_mb_emit_byte (mb, CEE_LDIND_I);
2285 mono_mb_emit_byte (mb, CEE_STLOC_0);
2287 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2288 mono_mb_emit_stloc (mb, tmp_locals [i]);
2290 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2291 mono_mb_emit_byte (mb, CEE_BRFALSE);
2293 mono_mb_emit_i4 (mb, 0);
2295 /* Create and set dst */
2296 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2297 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2298 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2299 mono_mb_emit_stloc (mb, tmp_locals [i]);
2300 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2301 mono_mb_emit_icon (mb, sizeof (MonoObject));
2302 mono_mb_emit_byte (mb, CEE_ADD);
2303 mono_mb_emit_byte (mb, CEE_STLOC_1);
2305 /* emit valuetype conversion code */
2306 emit_struct_conv (mb, klass, TRUE);
2308 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2311 case MONO_TYPE_VALUETYPE:
2313 klass = sig->params [i]->data.klass;
2314 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2315 klass->blittable || klass->enumtype)
2318 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2321 mono_mb_emit_ldarg (mb, i);
2323 mono_mb_emit_ldarg_addr (mb, i);
2324 mono_mb_emit_byte (mb, CEE_STLOC_0);
2327 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2328 mono_mb_emit_byte (mb, CEE_BRFALSE);
2330 mono_mb_emit_i4 (mb, 0);
2333 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2334 mono_mb_emit_byte (mb, CEE_STLOC_1);
2336 /* emit valuetype convnversion code code */
2337 emit_struct_conv (mb, klass, TRUE);
2340 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2342 case MONO_TYPE_STRING: {
2343 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
2348 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2349 csig->params [i] = &mono_defaults.int_class->byval_arg;
2351 mono_mb_emit_ldarg (mb, i);
2352 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2353 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2356 case MONO_NATIVE_LPWSTR:
2357 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
2359 case MONO_NATIVE_LPSTR:
2360 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2363 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
2364 MonoException *exc = mono_get_exception_not_implemented (msg);
2367 mono_raise_exception (exc);
2371 mono_mb_emit_stloc (mb, tmp_locals [i]);
2374 case MONO_TYPE_ARRAY:
2375 case MONO_TYPE_SZARRAY:
2379 klass = mono_class_from_mono_type (t);
2381 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2382 csig->params [i] = &mono_defaults.int_class->byval_arg;
2384 g_warning ("array marshaling not implemented");
2385 g_assert_not_reached ();
2390 for (i = 0; i < sig->param_count; i++) {
2391 MonoType *t = sig->params [i];
2394 case MONO_TYPE_BOOLEAN:
2408 mono_mb_emit_ldarg (mb, i);
2410 case MONO_TYPE_STRING:
2412 mono_mb_emit_ldarg (mb, i);
2414 g_assert (tmp_locals [i]);
2415 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2418 case MONO_TYPE_CLASS:
2420 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2422 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2424 case MONO_TYPE_ARRAY:
2425 case MONO_TYPE_SZARRAY:
2426 case MONO_TYPE_OBJECT:
2428 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2430 mono_mb_emit_ldarg (mb, i);
2432 case MONO_TYPE_VALUETYPE:
2433 klass = sig->params [i]->data.klass;
2434 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2435 klass->blittable || klass->enumtype) {
2436 mono_mb_emit_ldarg (mb, i);
2440 g_assert (tmp_locals [i]);
2442 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2444 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2447 g_warning ("type 0x%02x unknown", t->type);
2448 g_assert_not_reached ();
2452 emit_thread_interrupt_checkpoint (mb);
2453 mono_mb_emit_managed_call (mb, method, NULL);
2455 if (!sig->ret->byref) {
2456 switch (sig->ret->type) {
2457 case MONO_TYPE_VOID:
2459 case MONO_TYPE_BOOLEAN:
2473 case MONO_TYPE_OBJECT:
2474 mono_mb_emit_byte (mb, CEE_STLOC_3);
2476 case MONO_TYPE_STRING:
2477 csig->ret = &mono_defaults.int_class->byval_arg;
2479 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2480 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2481 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2482 mono_mb_emit_byte (mb, CEE_STLOC_3);
2484 case MONO_TYPE_VALUETYPE:
2485 klass = sig->ret->data.klass;
2486 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2487 klass->blittable || klass->enumtype)
2490 /* load pointer to returned value type */
2491 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2492 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2494 /* store the address of the source into local variable 0 */
2495 mono_mb_emit_byte (mb, CEE_STLOC_0);
2496 /* allocate space for the native struct and
2497 * store the address into dst_ptr */
2498 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2499 g_assert (retobj_var);
2500 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2501 mono_mb_emit_byte (mb, CEE_CONV_I);
2502 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2503 emit_thread_interrupt_checkpoint (mb);
2504 mono_mb_emit_byte (mb, CEE_STLOC_1);
2505 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2506 mono_mb_emit_stloc (mb, retobj_var);
2508 /* emit valuetype conversion code */
2509 emit_struct_conv (mb, klass, FALSE);
2511 case MONO_TYPE_CLASS: {
2514 klass = sig->ret->data.klass;
2516 /* FIXME: Raise a MarshalDirectiveException here */
2517 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2519 mono_mb_emit_byte (mb, CEE_STLOC_0);
2520 /* Check for null */
2521 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2522 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2523 mono_mb_emit_byte (mb, CEE_LDNULL);
2524 mono_mb_emit_byte (mb, CEE_STLOC_3);
2525 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2527 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2530 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2531 mono_mb_emit_icon (mb, sizeof (MonoObject));
2532 mono_mb_emit_byte (mb, CEE_ADD);
2533 mono_mb_emit_byte (mb, CEE_STLOC_0);
2535 /* Allocate and set dest */
2536 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2537 mono_mb_emit_byte (mb, CEE_CONV_I);
2538 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2539 emit_thread_interrupt_checkpoint (mb);
2540 mono_mb_emit_byte (mb, CEE_DUP);
2541 mono_mb_emit_byte (mb, CEE_STLOC_1);
2542 mono_mb_emit_byte (mb, CEE_STLOC_3);
2544 emit_struct_conv (mb, klass, FALSE);
2546 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2550 g_warning ("return type 0x%02x unknown", sig->ret->type);
2551 g_assert_not_reached ();
2554 mono_mb_emit_byte (mb, CEE_STLOC_3);
2557 /* Convert byref arguments back */
2558 for (i = 0; i < sig->param_count; i ++) {
2559 MonoType *t = sig->params [i];
2565 case MONO_TYPE_CLASS: {
2568 klass = t->data.klass;
2570 /* Check for null */
2571 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2572 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2573 mono_mb_emit_ldarg (mb, i);
2574 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2575 mono_mb_emit_byte (mb, CEE_STIND_I);
2576 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2578 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2581 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2582 mono_mb_emit_icon (mb, sizeof (MonoObject));
2583 mono_mb_emit_byte (mb, CEE_ADD);
2584 mono_mb_emit_byte (mb, CEE_STLOC_0);
2586 /* Allocate and set dest */
2587 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2588 mono_mb_emit_byte (mb, CEE_CONV_I);
2589 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2590 emit_thread_interrupt_checkpoint (mb);
2591 mono_mb_emit_byte (mb, CEE_STLOC_1);
2593 /* Update argument pointer */
2594 mono_mb_emit_ldarg (mb, i);
2595 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2596 mono_mb_emit_byte (mb, CEE_STIND_I);
2598 /* emit valuetype conversion code */
2599 emit_struct_conv (mb, klass, FALSE);
2601 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2608 mono_mb_emit_ldloc (mb, retobj_var);
2609 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2610 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2611 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2614 if (!MONO_TYPE_IS_VOID(sig->ret))
2615 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2616 mono_mb_emit_byte (mb, CEE_RET);
2620 res = mono_mb_create_and_cache (cache, method,
2621 mb, csig, sig->param_count + 16);
2623 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2626 //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));
2632 * mono_marshal_get_ldfld_wrapper:
2633 * @type: the type of the field
2635 * This method generates a function which can be use to load a field with type
2636 * @type from an object. The generated function has the following signature:
2637 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2640 mono_marshal_get_ldfld_wrapper (MonoType *type)
2642 MonoMethodSignature *sig, *csig;
2643 MonoMethodBuilder *mb;
2646 static GHashTable *ldfld_hash = NULL;
2648 int t, pos0, pos1 = 0;
2653 if (type->type == MONO_TYPE_SZARRAY) {
2654 klass = mono_defaults.array_class;
2655 } else if (type->type == MONO_TYPE_VALUETYPE) {
2656 klass = type->data.klass;
2657 if (klass->enumtype) {
2658 t = klass->enum_basetype->type;
2659 klass = mono_class_from_mono_type (klass->enum_basetype);
2661 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2662 t == MONO_TYPE_CLASS) {
2663 klass = mono_defaults.object_class;
2664 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2665 klass = mono_defaults.int_class;
2667 klass = mono_class_from_mono_type (type);
2670 klass = mono_defaults.int_class;
2673 EnterCriticalSection (&marshal_mutex);
2675 ldfld_hash = g_hash_table_new (NULL, NULL);
2676 res = g_hash_table_lookup (ldfld_hash, klass);
2677 LeaveCriticalSection (&marshal_mutex);
2681 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2682 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2685 mb->method->save_lmf = 1;
2687 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2688 sig->params [0] = &mono_defaults.object_class->byval_arg;
2689 sig->params [1] = &mono_defaults.int_class->byval_arg;
2690 sig->params [2] = &mono_defaults.int_class->byval_arg;
2691 sig->params [3] = &mono_defaults.int_class->byval_arg;
2692 sig->ret = &klass->byval_arg;
2694 mono_mb_emit_ldarg (mb, 0);
2695 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2697 mono_mb_emit_ldarg (mb, 0);
2698 mono_mb_emit_ldarg (mb, 1);
2699 mono_mb_emit_ldarg (mb, 2);
2701 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2702 csig->params [0] = &mono_defaults.object_class->byval_arg;
2703 csig->params [1] = &mono_defaults.int_class->byval_arg;
2704 csig->params [2] = &mono_defaults.int_class->byval_arg;
2705 csig->ret = &klass->this_arg;
2708 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2709 emit_thread_interrupt_checkpoint (mb);
2711 if (klass->valuetype) {
2712 mono_mb_emit_byte (mb, CEE_UNBOX);
2713 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2714 mono_mb_emit_byte (mb, CEE_BR);
2716 mono_mb_emit_i4 (mb, 0);
2718 mono_mb_emit_byte (mb, CEE_RET);
2722 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2724 mono_mb_emit_ldarg (mb, 0);
2725 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2726 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2727 mono_mb_emit_ldarg (mb, 3);
2728 mono_mb_emit_byte (mb, CEE_ADD);
2730 if (klass->valuetype)
2731 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2736 case MONO_TYPE_BOOLEAN:
2737 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2739 case MONO_TYPE_CHAR:
2742 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2746 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2750 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2753 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2756 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2758 case MONO_TYPE_ARRAY:
2760 case MONO_TYPE_FNPTR:
2761 case MONO_TYPE_SZARRAY:
2762 case MONO_TYPE_OBJECT:
2763 case MONO_TYPE_CLASS:
2764 case MONO_TYPE_STRING:
2767 mono_mb_emit_byte (mb, CEE_LDIND_I);
2769 case MONO_TYPE_VALUETYPE:
2770 g_assert (!klass->enumtype);
2771 mono_mb_emit_byte (mb, CEE_LDOBJ);
2772 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2775 g_warning ("type %x not implemented", type->type);
2776 g_assert_not_reached ();
2779 mono_mb_emit_byte (mb, CEE_RET);
2781 res = mono_mb_create_and_cache (ldfld_hash, klass,
2782 mb, sig, sig->param_count + 16);
2789 * mono_marshal_get_stfld_wrapper:
2790 * @type: the type of the field
2792 * This method generates a function which can be use to store a field with type
2793 * @type. The generated function has the following signature:
2794 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2797 mono_marshal_get_stfld_wrapper (MonoType *type)
2799 MonoMethodSignature *sig, *csig;
2800 MonoMethodBuilder *mb;
2803 static GHashTable *stfld_hash = NULL;
2810 if (type->type == MONO_TYPE_SZARRAY) {
2811 klass = mono_defaults.array_class;
2812 } else if (type->type == MONO_TYPE_VALUETYPE) {
2813 klass = type->data.klass;
2814 if (klass->enumtype) {
2815 t = klass->enum_basetype->type;
2816 klass = mono_class_from_mono_type (klass->enum_basetype);
2818 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2819 t == MONO_TYPE_CLASS) {
2820 klass = mono_defaults.object_class;
2821 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2822 klass = mono_defaults.int_class;
2824 klass = mono_class_from_mono_type (type);
2827 klass = mono_defaults.int_class;
2830 EnterCriticalSection (&marshal_mutex);
2832 stfld_hash = g_hash_table_new (NULL, NULL);
2833 res = g_hash_table_lookup (stfld_hash, klass);
2834 LeaveCriticalSection (&marshal_mutex);
2838 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2839 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2842 mb->method->save_lmf = 1;
2844 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2845 sig->params [0] = &mono_defaults.object_class->byval_arg;
2846 sig->params [1] = &mono_defaults.int_class->byval_arg;
2847 sig->params [2] = &mono_defaults.int_class->byval_arg;
2848 sig->params [3] = &mono_defaults.int_class->byval_arg;
2849 sig->params [4] = &klass->byval_arg;
2850 sig->ret = &mono_defaults.void_class->byval_arg;
2852 mono_mb_emit_ldarg (mb, 0);
2853 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2855 mono_mb_emit_ldarg (mb, 0);
2856 mono_mb_emit_ldarg (mb, 1);
2857 mono_mb_emit_ldarg (mb, 2);
2858 mono_mb_emit_ldarg (mb, 4);
2860 if (klass->valuetype) {
2861 mono_mb_emit_byte (mb, CEE_BOX);
2862 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2865 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2866 csig->params [0] = &mono_defaults.object_class->byval_arg;
2867 csig->params [1] = &mono_defaults.int_class->byval_arg;
2868 csig->params [2] = &mono_defaults.int_class->byval_arg;
2869 csig->params [3] = &klass->this_arg;
2870 csig->ret = &mono_defaults.void_class->byval_arg;
2873 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2874 emit_thread_interrupt_checkpoint (mb);
2876 mono_mb_emit_byte (mb, CEE_RET);
2878 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2880 mono_mb_emit_ldarg (mb, 0);
2881 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2882 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2883 mono_mb_emit_ldarg (mb, 3);
2884 mono_mb_emit_byte (mb, CEE_ADD);
2885 mono_mb_emit_ldarg (mb, 4);
2890 case MONO_TYPE_BOOLEAN:
2891 mono_mb_emit_byte (mb, CEE_STIND_I1);
2893 case MONO_TYPE_CHAR:
2896 mono_mb_emit_byte (mb, CEE_STIND_I2);
2900 mono_mb_emit_byte (mb, CEE_STIND_I4);
2904 mono_mb_emit_byte (mb, CEE_STIND_I8);
2907 mono_mb_emit_byte (mb, CEE_STIND_R4);
2910 mono_mb_emit_byte (mb, CEE_STIND_R8);
2912 case MONO_TYPE_ARRAY:
2914 case MONO_TYPE_FNPTR:
2915 case MONO_TYPE_SZARRAY:
2916 case MONO_TYPE_OBJECT:
2917 case MONO_TYPE_CLASS:
2918 case MONO_TYPE_STRING:
2921 mono_mb_emit_byte (mb, CEE_STIND_I);
2923 case MONO_TYPE_VALUETYPE:
2924 g_assert (!klass->enumtype);
2925 mono_mb_emit_byte (mb, CEE_STOBJ);
2926 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2929 g_warning ("type %x not implemented", type->type);
2930 g_assert_not_reached ();
2933 mono_mb_emit_byte (mb, CEE_RET);
2935 res = mono_mb_create_and_cache (stfld_hash, klass,
2936 mb, sig, sig->param_count + 16);
2943 * generates IL code for the icall wrapper (the generated method
2944 * calls the unmanaged code in func)
2947 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2949 MonoMethodSignature *csig;
2950 MonoMethodBuilder *mb;
2954 g_assert (sig->pinvoke);
2956 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2958 mb->method->save_lmf = 1;
2960 /* we copy the signature, so that we can modify it */
2963 mono_mb_emit_byte (mb, CEE_LDARG_0);
2965 for (i = 0; i < sig->param_count; i++)
2966 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2968 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2969 emit_thread_interrupt_checkpoint (mb);
2970 mono_mb_emit_byte (mb, CEE_RET);
2972 csig = mono_metadata_signature_dup (sig);
2975 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2982 * mono_marshal_get_native_wrapper:
2983 * @method: The MonoMethod to wrap.
2985 * generates IL code for the pinvoke wrapper (the generated method
2986 * calls the unmanaged code in method->addr)
2989 mono_marshal_get_native_wrapper (MonoMethod *method)
2991 MonoMethodSignature *sig, *csig;
2992 MonoMethodPInvoke *piinfo;
2993 MonoMethodBuilder *mb;
2994 MonoMarshalSpec **mspecs;
2998 gboolean pinvoke = FALSE;
2999 int i, pos, argnum, *tmp_locals;
3001 const char *exc_class = "MissingMethodException";
3002 const char *exc_arg = NULL;
3004 g_assert (method != NULL);
3005 g_assert (method->signature->pinvoke);
3007 cache = method->klass->image->native_wrapper_cache;
3008 if ((res = mono_marshal_find_in_cache (cache, method)))
3011 sig = method->signature;
3013 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
3014 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
3017 if (!method->addr) {
3019 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
3021 method->addr = mono_lookup_internal_call (method);
3024 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3026 mb->method->save_lmf = 1;
3028 piinfo = (MonoMethodPInvoke *)method;
3030 if (!method->addr) {
3031 mono_mb_emit_exception (mb, exc_class, exc_arg);
3032 csig = mono_metadata_signature_dup (sig);
3034 res = mono_mb_create_and_cache (cache, method,
3035 mb, csig, csig->param_count + 16);
3040 /* internal calls: we simply push all arguments and call the method (no conversions) */
3041 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3043 /* hack - string constructors returns a value */
3044 if (method->string_ctor) {
3045 csig = mono_metadata_signature_dup (sig);
3046 csig->ret = &mono_defaults.string_class->byval_arg;
3051 mono_mb_emit_byte (mb, CEE_LDARG_0);
3053 for (i = 0; i < sig->param_count; i++)
3054 mono_mb_emit_ldarg (mb, i + sig->hasthis);
3056 g_assert (method->addr);
3057 mono_mb_emit_native_call (mb, csig, method->addr);
3058 emit_thread_interrupt_checkpoint (mb);
3059 mono_mb_emit_byte (mb, CEE_RET);
3061 csig = mono_metadata_signature_dup (csig);
3063 res = mono_mb_create_and_cache (cache, method,
3064 mb, csig, csig->param_count + 16);
3071 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
3072 mono_method_get_marshal_info (method, mspecs);
3074 /* pinvoke: we need to convert the arguments if necessary */
3076 /* we copy the signature, so that we can set pinvoke to 0 */
3077 csig = mono_metadata_signature_dup (sig);
3080 /* we allocate local for use with emit_struct_conv() */
3081 /* allocate local 0 (pointer) src_ptr */
3082 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3083 /* allocate local 1 (pointer) dst_ptr */
3084 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3085 /* allocate local 2 (boolean) delete_old */
3086 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3088 /* delete_old = FALSE */
3089 mono_mb_emit_icon (mb, 0);
3090 mono_mb_emit_byte (mb, CEE_STLOC_2);
3092 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3093 /* allocate local 3 to store the return value */
3094 mono_mb_add_local (mb, sig->ret);
3097 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3098 /* Return type custom marshaling */
3100 * Since we can't determine the return type of the unmanaged function,
3101 * we assume it returns a pointer, and pass that pointer to
3102 * MarshalNativeToManaged.
3104 csig->ret = &mono_defaults.int_class->byval_arg;
3107 /* we first do all conversions */
3108 tmp_locals = alloca (sizeof (int) * sig->param_count);
3110 for (i = 0; i < sig->param_count; i ++) {
3111 MonoType *t = sig->params [i];
3112 MonoMarshalSpec *spec = mspecs [i + 1];
3114 argnum = i + sig->hasthis;
3117 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3120 MonoMethod *marshal_managed_to_native;
3121 MonoMethod *get_instance;
3123 /* FIXME: Call CleanUpNativeData after the call */
3125 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3126 g_assert (mtype != NULL);
3127 mklass = mono_class_from_mono_type (mtype);
3128 g_assert (mklass != NULL);
3130 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
3131 g_assert (marshal_managed_to_native);
3132 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3133 g_assert (get_instance);
3136 case MONO_TYPE_CLASS:
3137 case MONO_TYPE_OBJECT:
3138 case MONO_TYPE_STRING:
3139 case MONO_TYPE_ARRAY:
3140 case MONO_TYPE_SZARRAY:
3141 case MONO_TYPE_VALUETYPE:
3145 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3147 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3149 mono_mb_emit_byte (mb, CEE_CALL);
3150 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3152 mono_mb_emit_ldarg (mb, argnum);
3154 if (t->type == MONO_TYPE_VALUETYPE) {
3156 * Since we can't determine the type of the argument, we
3157 * will assume the unmanaged function takes a pointer.
3159 csig->params [i] = &mono_defaults.int_class->byval_arg;
3161 mono_mb_emit_byte (mb, CEE_BOX);
3162 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3165 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3166 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3168 mono_mb_emit_stloc (mb, tmp_locals [i]);
3172 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3173 g_assert_not_reached ();
3179 if (spec && spec->native == MONO_NATIVE_ASANY) {
3180 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
3182 g_assert (t->type == MONO_TYPE_OBJECT);
3183 g_assert (!t->byref);
3185 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3186 mono_mb_emit_ldarg (mb, argnum);
3187 mono_mb_emit_icon (mb, encoding);
3188 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3189 mono_mb_emit_byte (mb, CEE_MONO_FUNC2);
3190 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ASANY);
3191 mono_mb_emit_stloc (mb, tmp_locals [i]);
3196 case MONO_TYPE_VALUETYPE:
3197 klass = t->data.klass;
3199 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3200 klass->blittable || klass->enumtype)
3203 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3205 /* store the address of the source into local variable 0 */
3207 mono_mb_emit_ldarg (mb, argnum);
3209 mono_mb_emit_ldarg_addr (mb, argnum);
3211 mono_mb_emit_byte (mb, CEE_STLOC_0);
3213 /* allocate space for the native struct and
3214 * store the address into local variable 1 (dest) */
3215 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3216 mono_mb_emit_byte (mb, CEE_PREFIX1);
3217 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3218 mono_mb_emit_stloc (mb, tmp_locals [i]);
3221 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3222 mono_mb_emit_byte (mb, CEE_BRFALSE);
3224 mono_mb_emit_i4 (mb, 0);
3228 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3229 mono_mb_emit_byte (mb, CEE_STLOC_1);
3231 /* emit valuetype conversion code */
3232 emit_struct_conv (mb, klass, FALSE);
3235 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3237 case MONO_TYPE_STRING: {
3238 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3240 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3241 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3244 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3247 mono_mb_emit_ldarg (mb, argnum);
3248 mono_mb_emit_byte (mb, CEE_LDIND_I);
3250 mono_mb_emit_ldarg (mb, argnum);
3253 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3254 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3257 case MONO_NATIVE_LPWSTR:
3258 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3260 case MONO_NATIVE_LPSTR:
3261 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3263 case MONO_NATIVE_LPTSTR:
3264 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3267 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3268 MonoException *exc = mono_get_exception_not_implemented (msg);
3271 mono_raise_exception (exc);
3275 mono_mb_emit_stloc (mb, tmp_locals [i]);
3278 case MONO_TYPE_CLASS:
3279 case MONO_TYPE_OBJECT:
3280 klass = t->data.klass;
3282 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3283 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3285 if (klass->delegate) {
3286 g_assert (!t->byref);
3287 mono_mb_emit_ldarg (mb, argnum);
3288 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3289 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3290 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3291 mono_mb_emit_stloc (mb, tmp_locals [i]);
3292 } else if (klass == mono_defaults.stringbuilder_class) {
3293 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3295 g_assert (!t->byref);
3296 mono_mb_emit_ldarg (mb, argnum);
3297 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3298 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3301 case MONO_NATIVE_LPWSTR:
3302 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3304 case MONO_NATIVE_LPSTR:
3305 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3307 case MONO_NATIVE_LPTSTR:
3308 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3311 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
3312 MonoException *exc = mono_get_exception_not_implemented (msg);
3315 mono_raise_exception (exc);
3319 mono_mb_emit_stloc (mb, tmp_locals [i]);
3321 mono_mb_emit_byte (mb, CEE_LDNULL);
3322 mono_mb_emit_stloc (mb, tmp_locals [i]);
3325 /* we dont need any conversions for out parameters */
3326 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3329 mono_mb_emit_ldarg (mb, argnum);
3330 mono_mb_emit_byte (mb, CEE_LDIND_I);
3333 mono_mb_emit_ldarg (mb, argnum);
3334 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3335 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3338 /* store the address of the source into local variable 0 */
3339 mono_mb_emit_byte (mb, CEE_STLOC_0);
3340 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3341 mono_mb_emit_byte (mb, CEE_BRFALSE);
3343 mono_mb_emit_i4 (mb, 0);
3345 /* allocate space for the native struct and store the address */
3346 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3347 mono_mb_emit_byte (mb, CEE_PREFIX1);
3348 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3349 mono_mb_emit_stloc (mb, tmp_locals [i]);
3351 /* set the src_ptr */
3352 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3353 mono_mb_emit_icon (mb, sizeof (MonoObject));
3354 mono_mb_emit_byte (mb, CEE_ADD);
3355 mono_mb_emit_byte (mb, CEE_STLOC_0);
3358 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3359 mono_mb_emit_byte (mb, CEE_STLOC_1);
3361 /* emit valuetype conversion code */
3362 emit_struct_conv (mb, klass, FALSE);
3364 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3368 case MONO_TYPE_ARRAY:
3369 case MONO_TYPE_SZARRAY:
3373 klass = mono_class_from_mono_type (t);
3375 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3376 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3378 if (klass->element_class == mono_defaults.string_class) {
3379 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3381 mono_mb_emit_ldarg (mb, argnum);
3382 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3383 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3386 case MONO_NATIVE_LPWSTR:
3387 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRWLPARRAY);
3389 case MONO_NATIVE_LPSTR:
3390 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3393 char *msg = g_strdup_printf ("string array marshalling conversion %d not implemented", encoding);
3394 MonoException *exc = mono_get_exception_not_implemented (msg);
3397 mono_raise_exception (exc);
3400 mono_mb_emit_stloc (mb, tmp_locals [i]);
3402 else if (klass->element_class->blittable) {
3403 mono_mb_emit_ldarg (mb, argnum);
3404 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3405 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3407 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3408 mono_mb_emit_stloc (mb, tmp_locals [i]);
3412 guint32 label1, label2, label3;
3413 int index_var, dest_ptr;
3415 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3418 mono_mb_emit_ldarg (mb, argnum);
3419 mono_mb_emit_stloc (mb, tmp_locals [i]);
3420 mono_mb_emit_ldarg (mb, argnum);
3421 mono_mb_emit_byte (mb, CEE_BRFALSE);
3423 mono_mb_emit_i4 (mb, 0);
3425 /* allocate space for the native struct and store the address */
3426 eklass = klass->element_class;
3427 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3428 mono_mb_emit_ldarg (mb, argnum);
3429 mono_mb_emit_byte (mb, CEE_LDLEN);
3430 mono_mb_emit_byte (mb, CEE_MUL);
3431 mono_mb_emit_byte (mb, CEE_PREFIX1);
3432 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3433 mono_mb_emit_stloc (mb, tmp_locals [i]);
3435 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3436 mono_mb_emit_stloc (mb, dest_ptr);
3438 /* Emit marshalling loop */
3439 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3440 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3441 mono_mb_emit_stloc (mb, index_var);
3443 mono_mb_emit_ldloc (mb, index_var);
3444 mono_mb_emit_ldarg (mb, argnum);
3445 mono_mb_emit_byte (mb, CEE_LDLEN);
3446 mono_mb_emit_byte (mb, CEE_BGE);
3448 mono_mb_emit_i4 (mb, 0);
3450 /* Emit marshalling code */
3452 /* set the src_ptr */
3453 mono_mb_emit_ldarg (mb, argnum);
3454 mono_mb_emit_ldloc (mb, index_var);
3455 mono_mb_emit_byte (mb, CEE_LDELEMA);
3456 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3457 mono_mb_emit_byte (mb, CEE_STLOC_0);
3460 mono_mb_emit_ldloc (mb, dest_ptr);
3461 mono_mb_emit_byte (mb, CEE_STLOC_1);
3463 /* emit valuetype conversion code */
3464 emit_struct_conv (mb, eklass, FALSE);
3466 mono_mb_emit_add_to_local (mb, index_var, 1);
3467 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3469 mono_mb_emit_byte (mb, CEE_BR);
3470 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3472 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3473 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3477 case MONO_TYPE_BOOLEAN: {
3478 MonoType *local_type;
3479 int variant_bool = 0;
3483 local_type = &mono_defaults.int32_class->byval_arg;
3485 switch (spec->native) {
3486 case MONO_NATIVE_I1:
3487 local_type = &mono_defaults.byte_class->byval_arg;
3489 case MONO_NATIVE_VARIANTBOOL:
3490 local_type = &mono_defaults.int16_class->byval_arg;
3494 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3498 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3499 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3500 mono_mb_emit_ldarg (mb, argnum);
3501 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3503 mono_mb_emit_byte (mb, CEE_NEG);
3504 mono_mb_emit_stloc (mb, tmp_locals [i]);
3510 /* push all arguments */
3513 mono_mb_emit_byte (mb, CEE_LDARG_0);
3515 for (i = 0; i < sig->param_count; i++) {
3516 MonoType *t = sig->params [i];
3517 MonoMarshalSpec *spec = mspecs [i + 1];
3519 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3520 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3523 if (spec && spec->native == MONO_NATIVE_ASANY) {
3524 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3527 argnum = i + sig->hasthis;
3530 case MONO_TYPE_BOOLEAN:
3532 g_assert (tmp_locals [i]);
3533 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3535 mono_mb_emit_ldarg (mb, argnum);
3550 mono_mb_emit_ldarg (mb, argnum);
3552 case MONO_TYPE_VALUETYPE:
3553 klass = sig->params [i]->data.klass;
3554 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3555 klass->blittable || klass->enumtype) {
3556 mono_mb_emit_ldarg (mb, argnum);
3559 g_assert (tmp_locals [i]);
3560 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3562 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3563 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3564 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3567 case MONO_TYPE_STRING:
3568 case MONO_TYPE_CLASS:
3569 case MONO_TYPE_OBJECT:
3570 g_assert (tmp_locals [i]);
3572 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3574 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3576 case MONO_TYPE_CHAR:
3577 /* fixme: dont know how to marshal that. We cant simply
3578 * convert it to a one byte UTF8 character, because an
3579 * unicode character may need more that one byte in UTF8 */
3580 mono_mb_emit_ldarg (mb, argnum);
3582 case MONO_TYPE_ARRAY:
3583 case MONO_TYPE_SZARRAY:
3585 mono_mb_emit_ldarg (mb, argnum);
3587 g_assert (tmp_locals [i]);
3588 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3591 case MONO_TYPE_TYPEDBYREF:
3592 case MONO_TYPE_FNPTR:
3594 g_warning ("type 0x%02x unknown", t->type);
3595 g_assert_not_reached ();
3600 /* call the native method */
3601 mono_mb_emit_native_call (mb, csig, method->addr);
3603 /* Set LastError if needed */
3604 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3605 MonoMethodSignature *lasterr_sig;
3607 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3608 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3609 lasterr_sig->pinvoke = 1;
3611 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3614 emit_thread_interrupt_checkpoint (mb);
3616 /* convert the result */
3617 if (!sig->ret->byref) {
3618 MonoMarshalSpec *spec = mspecs [0];
3619 type = sig->ret->type;
3621 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3624 MonoMethod *marshal_native_to_managed;
3625 MonoMethod *get_instance;
3627 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3628 g_assert (mtype != NULL);
3629 mklass = mono_class_from_mono_type (mtype);
3630 g_assert (mklass != NULL);
3632 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3633 g_assert (marshal_native_to_managed);
3634 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3635 g_assert (get_instance);
3638 case MONO_TYPE_CLASS:
3639 case MONO_TYPE_OBJECT:
3640 case MONO_TYPE_STRING:
3641 case MONO_TYPE_ARRAY:
3642 case MONO_TYPE_SZARRAY:
3643 case MONO_TYPE_VALUETYPE:
3644 if (type == MONO_TYPE_VALUETYPE) {
3645 /* local 3 can't hold a pointer */
3646 mono_mb_emit_byte (mb, CEE_STLOC_0);
3649 mono_mb_emit_byte (mb, CEE_STLOC_3);
3651 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3653 mono_mb_emit_byte (mb, CEE_CALL);
3654 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3656 if (type == MONO_TYPE_VALUETYPE)
3657 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3659 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3661 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3662 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3664 if (type == MONO_TYPE_VALUETYPE) {
3665 mono_mb_emit_byte (mb, CEE_UNBOX);
3666 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3668 mono_mb_emit_byte (mb, CEE_STLOC_3);
3671 g_warning ("custom marshalling of type %x is currently not supported", type);
3672 g_assert_not_reached ();
3679 case MONO_TYPE_VOID:
3694 /* no conversions necessary */
3695 mono_mb_emit_byte (mb, CEE_STLOC_3);
3697 case MONO_TYPE_BOOLEAN:
3698 /* maybe we need to make sure that it fits within 8 bits */
3699 mono_mb_emit_byte (mb, CEE_STLOC_3);
3701 case MONO_TYPE_VALUETYPE:
3702 klass = sig->ret->data.klass;
3703 if (klass->enumtype) {
3704 type = sig->ret->data.klass->enum_basetype->type;
3708 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3710 mono_mb_emit_byte (mb, CEE_STLOC_3);
3713 /* load pointer to returned value type */
3714 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3715 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3716 /* store the address of the source into local variable 0 */
3717 mono_mb_emit_byte (mb, CEE_STLOC_0);
3719 mono_mb_emit_ldloc_addr (mb, 3);
3720 mono_mb_emit_byte (mb, CEE_STLOC_1);
3722 /* emit valuetype conversion code */
3723 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3725 case MONO_TYPE_STRING:
3726 #ifdef GTK_SHARP_FIXED
3727 mono_mb_emit_byte (mb, CEE_STLOC_0);
3728 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3731 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3732 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3734 switch (spec->native) {
3735 case MONO_NATIVE_LPWSTR:
3736 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3739 g_warning ("marshalling conversion not implemented");
3740 g_assert_not_reached ();
3743 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3745 mono_mb_emit_byte (mb, CEE_STLOC_3);
3747 #ifdef GTK_SHARP_FIXED
3748 /* free the string */
3749 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3750 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3751 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3754 case MONO_TYPE_CLASS:
3755 case MONO_TYPE_OBJECT:
3756 klass = sig->ret->data.klass;
3759 mono_mb_emit_byte (mb, CEE_STLOC_0);
3761 mono_mb_emit_byte (mb, CEE_LDNULL);
3762 mono_mb_emit_byte (mb, CEE_STLOC_3);
3765 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3766 mono_mb_emit_byte (mb, CEE_BRFALSE);
3768 mono_mb_emit_i4 (mb, 0);
3770 /* allocate result object */
3772 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3773 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3774 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3775 mono_mb_emit_byte (mb, CEE_STLOC_3);
3779 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3780 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3781 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3782 mono_mb_emit_icon (mb, sizeof (MonoObject));
3783 mono_mb_emit_byte (mb, CEE_ADD);
3784 mono_mb_emit_byte (mb, CEE_STLOC_1);
3786 /* emit conversion code */
3787 emit_struct_conv (mb, klass, TRUE);
3789 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3791 case MONO_TYPE_ARRAY:
3792 case MONO_TYPE_SZARRAY:
3793 /* fixme: we need conversions here */
3794 mono_mb_emit_byte (mb, CEE_STLOC_3);
3796 case MONO_TYPE_CHAR:
3797 /* fixme: we need conversions here */
3798 mono_mb_emit_byte (mb, CEE_STLOC_3);
3800 case MONO_TYPE_TYPEDBYREF:
3801 case MONO_TYPE_FNPTR:
3803 g_warning ("return type 0x%02x unknown", sig->ret->type);
3804 g_assert_not_reached ();
3808 mono_mb_emit_byte (mb, CEE_STLOC_3);
3811 /* we need to convert byref arguments back and free string arrays */
3812 for (i = 0; i < sig->param_count; i++) {
3813 MonoType *t = sig->params [i];
3814 MonoMarshalSpec *spec = mspecs [i + 1];
3816 argnum = i + sig->hasthis;
3818 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3821 MonoMethod *get_instance;
3822 MonoMethod *cleanup_native;
3824 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3825 g_assert (mtype != NULL);
3826 mklass = mono_class_from_mono_type (mtype);
3827 g_assert (mklass != NULL);
3829 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3830 g_assert (get_instance);
3831 cleanup_native = mono_find_method_by_name (mklass, "CleanUpNativeData", 1);
3832 g_assert (get_instance);
3835 case MONO_TYPE_CLASS:
3836 case MONO_TYPE_OBJECT:
3837 case MONO_TYPE_STRING:
3838 case MONO_TYPE_ARRAY:
3839 case MONO_TYPE_SZARRAY:
3840 case MONO_TYPE_VALUETYPE:
3841 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3843 mono_mb_emit_byte (mb, CEE_CALL);
3844 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3846 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3848 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3849 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
3854 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3855 g_assert_not_reached ();
3861 if (spec && spec->native == MONO_NATIVE_ASANY) {
3862 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
3864 mono_mb_emit_ldarg (mb, argnum);
3865 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3866 mono_mb_emit_icon (mb, encoding);
3867 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3868 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
3869 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ASANY);
3874 case MONO_TYPE_STRING:
3875 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3876 mono_mb_emit_ldarg (mb, argnum);
3877 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3878 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3879 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3880 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3881 mono_mb_emit_byte (mb, CEE_STIND_I);
3883 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3884 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3885 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3888 case MONO_TYPE_CLASS:
3889 case MONO_TYPE_OBJECT:
3890 if (t->data.klass == mono_defaults.stringbuilder_class) {
3891 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3892 gboolean need_free = TRUE;
3894 g_assert (!t->byref);
3895 mono_mb_emit_ldarg (mb, argnum);
3896 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3897 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3898 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3901 case MONO_NATIVE_LPWSTR:
3902 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3904 * mono_string_builder_to_utf16 does not allocate a
3905 * new buffer, so no need to free it.
3909 case MONO_NATIVE_LPSTR:
3910 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3912 case MONO_NATIVE_LPTSTR:
3913 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3916 g_assert_not_reached ();
3920 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3921 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3922 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3927 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3930 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3931 /* allocate a new object new object */
3932 mono_mb_emit_ldarg (mb, argnum);
3933 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3934 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3935 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3936 mono_mb_emit_byte (mb, CEE_STIND_I);
3939 /* dst = *argument */
3940 mono_mb_emit_ldarg (mb, argnum);
3943 mono_mb_emit_byte (mb, CEE_LDIND_I);
3945 mono_mb_emit_byte (mb, CEE_STLOC_1);
3947 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3948 mono_mb_emit_byte (mb, CEE_BRFALSE);
3950 mono_mb_emit_i4 (mb, 0);
3952 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3953 mono_mb_emit_icon (mb, sizeof (MonoObject));
3954 mono_mb_emit_byte (mb, CEE_ADD);
3955 mono_mb_emit_byte (mb, CEE_STLOC_1);
3957 /* src = tmp_locals [i] */
3958 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3959 mono_mb_emit_byte (mb, CEE_STLOC_0);
3961 /* emit valuetype conversion code */
3962 emit_struct_conv (mb, klass, TRUE);
3964 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3966 case MONO_TYPE_VALUETYPE:
3970 klass = t->data.klass;
3971 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3972 klass->blittable || klass->enumtype)
3975 /* dst = argument */
3976 mono_mb_emit_ldarg (mb, argnum);
3977 mono_mb_emit_byte (mb, CEE_STLOC_1);
3979 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3980 mono_mb_emit_byte (mb, CEE_BRFALSE);
3982 mono_mb_emit_i4 (mb, 0);
3984 /* src = tmp_locals [i] */
3985 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3986 mono_mb_emit_byte (mb, CEE_STLOC_0);
3988 /* emit valuetype conversion code */
3989 emit_struct_conv (mb, klass, TRUE);
3991 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3993 case MONO_TYPE_SZARRAY:
3997 klass = mono_class_from_mono_type (t);
3999 if (klass->element_class == mono_defaults.string_class) {
4000 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
4001 g_assert (tmp_locals [i]);
4003 mono_mb_emit_ldarg (mb, argnum);
4004 mono_mb_emit_byte (mb, CEE_BRFALSE);
4006 mono_mb_emit_i4 (mb, 0);
4008 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4011 case MONO_NATIVE_LPWSTR:
4013 * The array elements point to the managed string data so
4014 * they don't need to be freed.
4016 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4017 mono_mb_emit_byte (mb, CEE_MONO_FREE);
4020 mono_mb_emit_ldarg (mb, argnum);
4021 mono_mb_emit_byte (mb, CEE_LDLEN);
4022 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4023 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
4024 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
4028 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4031 /* Character arrays are implicitly marshalled as [Out] */
4032 if ((klass->element_class == mono_defaults.char_class) || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4033 /* FIXME: Optimize blittable case */
4035 guint32 label1, label2, label3;
4036 int index_var, src_ptr;
4038 eklass = klass->element_class;
4039 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4042 mono_mb_emit_ldarg (mb, argnum);
4043 mono_mb_emit_byte (mb, CEE_BRFALSE);
4045 mono_mb_emit_i4 (mb, 0);
4047 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4048 mono_mb_emit_stloc (mb, src_ptr);
4050 /* Emit marshalling loop */
4051 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4052 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4053 mono_mb_emit_stloc (mb, index_var);
4055 mono_mb_emit_ldloc (mb, index_var);
4056 mono_mb_emit_ldarg (mb, argnum);
4057 mono_mb_emit_byte (mb, CEE_LDLEN);
4058 mono_mb_emit_byte (mb, CEE_BGE);
4060 mono_mb_emit_i4 (mb, 0);
4062 /* Emit marshalling code */
4064 /* set the src_ptr */
4065 mono_mb_emit_ldloc (mb, src_ptr);
4066 mono_mb_emit_byte (mb, CEE_STLOC_0);
4069 mono_mb_emit_ldarg (mb, argnum);
4070 mono_mb_emit_ldloc (mb, index_var);
4071 mono_mb_emit_byte (mb, CEE_LDELEMA);
4072 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
4073 mono_mb_emit_byte (mb, CEE_STLOC_1);
4075 /* emit valuetype conversion code */
4076 emit_struct_conv (mb, eklass, TRUE);
4078 mono_mb_emit_add_to_local (mb, index_var, 1);
4079 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
4081 mono_mb_emit_byte (mb, CEE_BR);
4082 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
4084 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
4085 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
4088 case MONO_TYPE_BOOLEAN:
4091 mono_mb_emit_ldarg (mb, argnum);
4092 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4093 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
4094 mono_mb_emit_byte (mb, CEE_NEG);
4095 mono_mb_emit_byte (mb, CEE_STIND_I1);
4099 if (!MONO_TYPE_IS_VOID(sig->ret))
4100 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4102 mono_mb_emit_byte (mb, CEE_RET);
4104 csig = mono_metadata_signature_dup (sig);
4106 res = mono_mb_create_and_cache (cache, method,
4107 mb, csig, csig->param_count + 16);
4110 for (i = sig->param_count; i >= 0; i--)
4111 g_free (mspecs [i]);
4114 //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));
4120 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
4122 static MonoReflectionType *
4123 type_from_handle (MonoType *handle)
4125 MonoDomain *domain = mono_domain_get ();
4126 MonoClass *klass = mono_class_from_mono_type (handle);
4128 MONO_ARCH_SAVE_REGS;
4130 mono_class_init (klass);
4131 return mono_type_get_object (domain, handle);
4135 * mono_marshal_get_isinst:
4136 * @klass: the type of the field
4138 * This method generates a function which can be used to check if an object is
4139 * an instance of the given type, icluding the case where the object is a proxy.
4140 * The generated function has the following signature:
4141 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
4144 mono_marshal_get_isinst (MonoClass *klass)
4146 static MonoMethodSignature *isint_sig = NULL;
4147 static GHashTable *isinst_hash = NULL;
4149 int pos_was_ok, pos_failed, pos_end, pos_end2;
4151 MonoMethodBuilder *mb;
4153 EnterCriticalSection (&marshal_mutex);
4155 isinst_hash = g_hash_table_new (NULL, NULL);
4157 res = g_hash_table_lookup (isinst_hash, klass);
4158 LeaveCriticalSection (&marshal_mutex);
4163 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4164 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4165 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4166 isint_sig->pinvoke = 0;
4169 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
4170 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4173 mb->method->save_lmf = 1;
4175 /* check if the object is a proxy that needs special cast */
4176 mono_mb_emit_ldarg (mb, 0);
4177 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4178 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
4179 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4181 /* The result of MONO_ISINST can be:
4182 0) the type check succeeded
4183 1) the type check did not succeed
4184 2) a CanCastTo call is needed */
4186 mono_mb_emit_byte (mb, CEE_DUP);
4187 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4189 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
4190 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
4192 /* get the real proxy from the transparent proxy*/
4194 mono_mb_emit_ldarg (mb, 0);
4195 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4196 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4200 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4201 mono_mb_emit_byte (mb, CEE_LDNULL);
4202 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
4206 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4207 mono_mb_emit_byte (mb, CEE_POP);
4208 mono_mb_emit_ldarg (mb, 0);
4212 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4213 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
4214 mono_mb_emit_byte (mb, CEE_RET);
4216 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4223 * mono_marshal_get_castclass:
4224 * @klass: the type of the field
4226 * This method generates a function which can be used to cast an object to
4227 * an instance of the given type, icluding the case where the object is a proxy.
4228 * The generated function has the following signature:
4229 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
4232 mono_marshal_get_castclass (MonoClass *klass)
4234 static MonoMethodSignature *castclass_sig = NULL;
4235 static GHashTable *castclass_hash = NULL;
4237 int pos_was_ok, pos_was_ok2;
4239 MonoMethodBuilder *mb;
4241 EnterCriticalSection (&marshal_mutex);
4242 if (!castclass_hash)
4243 castclass_hash = g_hash_table_new (NULL, NULL);
4245 res = g_hash_table_lookup (castclass_hash, klass);
4246 LeaveCriticalSection (&marshal_mutex);
4250 if (!castclass_sig) {
4251 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4252 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
4253 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
4254 castclass_sig->pinvoke = 0;
4257 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
4258 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4261 mb->method->save_lmf = 1;
4263 /* check if the object is a proxy that needs special cast */
4264 mono_mb_emit_ldarg (mb, 0);
4265 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4266 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
4267 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4269 /* The result of MONO_ISINST can be:
4270 0) the cast is valid
4271 1) cast of unknown proxy type
4272 or an exception if the cast is is invalid
4275 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4277 /* get the real proxy from the transparent proxy*/
4279 mono_mb_emit_ldarg (mb, 0);
4280 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4281 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
4284 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
4287 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4288 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
4289 mono_mb_emit_ldarg (mb, 0);
4292 mono_mb_emit_byte (mb, CEE_RET);
4294 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
4301 mono_marshal_get_proxy_cancast (MonoClass *klass)
4303 static MonoMethodSignature *from_handle_sig = NULL;
4304 static MonoMethodSignature *upgrade_proxy_sig = NULL;
4305 static MonoMethodSignature *isint_sig = NULL;
4306 static GHashTable *proxy_isinst_hash = NULL;
4308 int pos_failed, pos_end;
4310 MonoMethod *can_cast_to;
4311 MonoMethodDesc *desc;
4312 MonoMethodBuilder *mb;
4314 EnterCriticalSection (&marshal_mutex);
4315 if (!proxy_isinst_hash)
4316 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
4318 res = g_hash_table_lookup (proxy_isinst_hash, klass);
4319 LeaveCriticalSection (&marshal_mutex);
4324 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
4325 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
4326 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
4327 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
4328 upgrade_proxy_sig->pinvoke = 1;
4330 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4331 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4332 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4334 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4335 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4336 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4337 isint_sig->pinvoke = 0;
4340 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
4341 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4344 mb->method->save_lmf = 1;
4346 /* get the real proxy from the transparent proxy*/
4347 mono_mb_emit_ldarg (mb, 0);
4348 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4349 mono_mb_emit_byte (mb, CEE_LDIND_I);
4351 /* get the refletion type from the type handle */
4352 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4353 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4354 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4355 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4357 mono_mb_emit_ldarg (mb, 0);
4359 /* make the call to CanCastTo (type, ob) */
4360 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
4361 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
4362 g_assert (can_cast_to);
4363 mono_method_desc_free (desc);
4364 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4365 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
4368 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
4370 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
4371 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4372 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4373 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4374 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4375 mono_mb_emit_ldarg (mb, 0);
4377 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
4378 emit_thread_interrupt_checkpoint (mb);
4380 mono_mb_emit_ldarg (mb, 0);
4381 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4385 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4386 mono_mb_emit_byte (mb, CEE_LDNULL);
4390 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4391 mono_mb_emit_byte (mb, CEE_RET);
4393 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4400 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
4403 klass = mono_class_from_mono_type (rtype->type);
4404 mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
4405 ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
4409 * mono_marshal_get_struct_to_ptr:
4412 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
4415 mono_marshal_get_struct_to_ptr (MonoClass *klass)
4417 MonoMethodBuilder *mb;
4418 static MonoMethod *stoptr = NULL;
4421 g_assert (klass != NULL);
4423 if (klass->str_to_ptr)
4424 return klass->str_to_ptr;
4427 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
4430 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
4432 if (klass->blittable) {
4433 mono_mb_emit_byte (mb, CEE_LDARG_1);
4434 mono_mb_emit_byte (mb, CEE_LDARG_0);
4435 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4436 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4437 mono_mb_emit_byte (mb, CEE_PREFIX1);
4438 mono_mb_emit_byte (mb, CEE_CPBLK);
4441 /* allocate local 0 (pointer) src_ptr */
4442 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4443 /* allocate local 1 (pointer) dst_ptr */
4444 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4445 /* allocate local 2 (boolean) delete_old */
4446 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
4447 mono_mb_emit_byte (mb, CEE_LDARG_2);
4448 mono_mb_emit_byte (mb, CEE_STLOC_2);
4450 /* initialize src_ptr to point to the start of object data */
4451 mono_mb_emit_byte (mb, CEE_LDARG_0);
4452 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4453 mono_mb_emit_byte (mb, CEE_STLOC_0);
4455 /* initialize dst_ptr */
4456 mono_mb_emit_byte (mb, CEE_LDARG_1);
4457 mono_mb_emit_byte (mb, CEE_STLOC_1);
4459 emit_struct_conv (mb, klass, FALSE);
4462 mono_mb_emit_byte (mb, CEE_RET);
4464 res = mono_mb_create_method (mb, stoptr->signature, 0);
4467 klass->str_to_ptr = res;
4472 * mono_marshal_get_ptr_to_struct:
4475 * generates IL code for PtrToStructure (IntPtr src, object structure)
4478 mono_marshal_get_ptr_to_struct (MonoClass *klass)
4480 MonoMethodBuilder *mb;
4481 static MonoMethod *ptostr = NULL;
4484 g_assert (klass != NULL);
4486 if (klass->ptr_to_str)
4487 return klass->ptr_to_str;
4490 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
4493 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
4495 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
4496 mono_mb_emit_byte (mb, CEE_LDARG_1);
4497 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4498 mono_mb_emit_byte (mb, CEE_LDARG_0);
4499 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4500 mono_mb_emit_byte (mb, CEE_PREFIX1);
4501 mono_mb_emit_byte (mb, CEE_CPBLK);
4504 /* allocate local 0 (pointer) src_ptr */
4505 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4506 /* allocate local 1 (pointer) dst_ptr */
4507 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4509 /* initialize src_ptr to point to the start of object data */
4510 mono_mb_emit_byte (mb, CEE_LDARG_0);
4511 mono_mb_emit_byte (mb, CEE_STLOC_0);
4513 /* initialize dst_ptr */
4514 mono_mb_emit_byte (mb, CEE_LDARG_1);
4515 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4516 mono_mb_emit_byte (mb, CEE_STLOC_1);
4518 emit_struct_conv (mb, klass, TRUE);
4521 mono_mb_emit_byte (mb, CEE_RET);
4523 res = mono_mb_create_method (mb, ptostr->signature, 0);
4526 klass->ptr_to_str = res;
4531 * generates IL code for the synchronized wrapper: the generated method
4532 * calls METHOD while locking 'this' or the parent type.
4535 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4537 static MonoMethodSignature *from_handle_sig = NULL;
4538 static MonoMethod *enter_method, *exit_method;
4539 MonoMethodSignature *sig;
4540 MonoExceptionClause *clause;
4541 MonoMethodHeader *header;
4542 MonoMethodBuilder *mb;
4545 int i, pos, this_local, ret_local;
4549 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4552 cache = method->klass->image->synchronized_cache;
4553 if ((res = mono_marshal_find_in_cache (cache, method)))
4556 sig = method->signature;
4558 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4561 if (!MONO_TYPE_IS_VOID (sig->ret))
4562 ret_local = mono_mb_add_local (mb, sig->ret);
4565 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4567 clause = g_new0 (MonoExceptionClause, 1);
4568 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4570 if (!enter_method) {
4571 MonoMethodDesc *desc;
4573 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4574 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4575 g_assert (enter_method);
4576 mono_method_desc_free (desc);
4577 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4578 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4579 g_assert (exit_method);
4580 mono_method_desc_free (desc);
4583 * GetTypeFromHandle isn't called as a managed method because it has
4584 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4585 * transformed into something else by the JIT.
4587 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4588 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4589 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4592 /* Push this or the type object */
4593 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4594 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4595 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4596 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4597 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4600 mono_mb_emit_ldarg (mb, 0);
4601 mono_mb_emit_stloc (mb, this_local);
4603 /* Call Monitor::Enter() */
4604 mono_mb_emit_ldloc (mb, this_local);
4605 mono_mb_emit_managed_call (mb, enter_method, NULL);
4607 clause->try_offset = mb->pos;
4609 /* Call the method */
4611 mono_mb_emit_ldarg (mb, 0);
4612 for (i = 0; i < sig->param_count; i++)
4613 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4614 mono_mb_emit_managed_call (mb, method, method->signature);
4615 if (!MONO_TYPE_IS_VOID (sig->ret))
4616 mono_mb_emit_stloc (mb, ret_local);
4618 mono_mb_emit_byte (mb, CEE_LEAVE);
4620 mono_mb_emit_i4 (mb, 0);
4622 clause->try_len = mb->pos - clause->try_offset;
4623 clause->handler_offset = mb->pos;
4625 /* Call Monitor::Exit() */
4626 mono_mb_emit_ldloc (mb, this_local);
4627 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4628 mono_mb_emit_managed_call (mb, exit_method, NULL);
4629 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4631 clause->handler_len = mb->pos - clause->handler_offset;
4633 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4634 if (!MONO_TYPE_IS_VOID (sig->ret))
4635 mono_mb_emit_ldloc (mb, ret_local);
4636 mono_mb_emit_byte (mb, CEE_RET);
4638 res = mono_mb_create_and_cache (cache, method,
4639 mb, sig, sig->param_count + 16);
4642 header = ((MonoMethodNormal *)res)->header;
4643 header->num_clauses = 1;
4644 header->clauses = clause;
4649 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4651 mono_marshal_alloc (gpointer size)
4653 MONO_ARCH_SAVE_REGS;
4655 return g_try_malloc ((gulong)size);
4659 mono_marshal_free (gpointer ptr)
4661 MONO_ARCH_SAVE_REGS;
4667 mono_marshal_free_array (gpointer *ptr, int size)
4674 for (i = 0; i < size; i++)
4680 mono_marshal_realloc (gpointer ptr, gpointer size)
4682 MONO_ARCH_SAVE_REGS;
4684 return g_try_realloc (ptr, (gulong)size);
4688 mono_marshal_string_array (MonoArray *array)
4696 len = mono_array_length (array);
4698 result = g_malloc (sizeof (char *) * (len + 1));
4699 for (i = 0; i < len; ++i) {
4700 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4701 result [i] = s ? mono_string_to_utf8 (s): NULL;
4703 /* null terminate the array */
4710 mono_marshal_string_array_to_unicode (MonoArray *array)
4718 len = mono_array_length (array);
4720 result = g_malloc (sizeof (gunichar2 *) * (len + 1));
4721 for (i = 0; i < len; ++i) {
4722 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4723 result [i] = s ? mono_string_chars (s) : NULL;
4725 /* null terminate the array */
4732 * mono_marshal_set_last_error:
4734 * This function is invoked to set the last error value from a P/Invoke call
4735 * which has SetLastError set.
4738 mono_marshal_set_last_error (void)
4741 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4743 TlsSetValue (last_error_tls_id, (gpointer)errno);
4748 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4749 gpointer dest, gint32 length)
4754 MONO_ARCH_SAVE_REGS;
4756 MONO_CHECK_ARG_NULL (src);
4757 MONO_CHECK_ARG_NULL (dest);
4759 g_assert (src->obj.vtable->klass->rank == 1);
4760 g_assert (start_index >= 0);
4761 g_assert (length >= 0);
4762 g_assert (start_index + length <= mono_array_length (src));
4764 element_size = mono_array_element_size (src->obj.vtable->klass);
4766 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4768 memcpy (dest, source_addr, length * element_size);
4772 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4773 MonoArray *dest, gint32 length)
4778 MONO_ARCH_SAVE_REGS;
4780 MONO_CHECK_ARG_NULL (src);
4781 MONO_CHECK_ARG_NULL (dest);
4783 g_assert (dest->obj.vtable->klass->rank == 1);
4784 g_assert (start_index >= 0);
4785 g_assert (length >= 0);
4786 g_assert (start_index + length <= mono_array_length (dest));
4788 element_size = mono_array_element_size (dest->obj.vtable->klass);
4790 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4792 memcpy (dest_addr, src, length * element_size);
4795 #if NO_UNALIGNED_ACCESS
4796 #define RETURN_UNALIGNED(type, addr) \
4799 memcpy(&val, p + offset, sizeof(val)); \
4802 #define WRITE_UNALIGNED(type, addr, val) \
4803 memcpy(addr, &val, sizeof(type))
4805 #define RETURN_UNALIGNED(type, addr) \
4806 return *(type*)(p + offset);
4807 #define WRITE_UNALIGNED(type, addr, val) \
4808 (*(type *)(addr) = (val))
4812 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4816 MONO_ARCH_SAVE_REGS;
4818 RETURN_UNALIGNED(gpointer, p + offset);
4822 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4826 MONO_ARCH_SAVE_REGS;
4828 return *(unsigned char*)(p + offset);
4832 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4836 MONO_ARCH_SAVE_REGS;
4838 RETURN_UNALIGNED(gint16, p + offset);
4842 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4846 MONO_ARCH_SAVE_REGS;
4848 RETURN_UNALIGNED(gint32, p + offset);
4852 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4856 MONO_ARCH_SAVE_REGS;
4858 RETURN_UNALIGNED(gint64, p + offset);
4862 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4866 MONO_ARCH_SAVE_REGS;
4868 *(unsigned char*)(p + offset) = val;
4872 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4876 MONO_ARCH_SAVE_REGS;
4878 WRITE_UNALIGNED(gpointer, p + offset, val);
4882 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4886 MONO_ARCH_SAVE_REGS;
4888 WRITE_UNALIGNED(gint16, p + offset, val);
4892 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4896 MONO_ARCH_SAVE_REGS;
4898 WRITE_UNALIGNED(gint32, p + offset, val);
4902 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4906 MONO_ARCH_SAVE_REGS;
4908 WRITE_UNALIGNED(gint64, p + offset, val);
4912 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4914 MONO_ARCH_SAVE_REGS;
4917 return mono_string_new (mono_domain_get (), "");
4919 return mono_string_new (mono_domain_get (), ptr);
4923 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4925 MONO_ARCH_SAVE_REGS;
4928 return mono_string_new (mono_domain_get (), "");
4930 return mono_string_new_len (mono_domain_get (), ptr, len);
4934 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4936 MonoDomain *domain = mono_domain_get ();
4940 MONO_ARCH_SAVE_REGS;
4943 return mono_string_new (mono_domain_get (), "");
4948 return mono_string_new_utf16 (domain, ptr, len);
4952 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4954 MonoDomain *domain = mono_domain_get ();
4956 MONO_ARCH_SAVE_REGS;
4959 return mono_string_new (mono_domain_get (), "");
4961 return mono_string_new_utf16 (domain, ptr, len);
4965 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4967 MONO_ARCH_SAVE_REGS;
4969 g_warning ("PtrToStringBSTR not implemented");
4970 g_assert_not_reached ();
4976 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4978 MONO_ARCH_SAVE_REGS;
4980 return ((guint32)TlsGetValue (last_error_tls_id));
4984 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4990 MONO_ARCH_SAVE_REGS;
4992 MONO_CHECK_ARG_NULL (rtype);
4995 klass = mono_class_from_mono_type (type);
4996 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
4998 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5002 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
5003 exc = mono_get_exception_argument ("t", msg);
5005 mono_raise_exception (exc);
5009 return mono_class_native_size (klass, NULL);
5013 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
5018 MONO_ARCH_SAVE_REGS;
5020 MONO_CHECK_ARG_NULL (obj);
5021 MONO_CHECK_ARG_NULL (dst);
5023 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
5027 pa [2] = &delete_old;
5029 mono_runtime_invoke (method, NULL, pa, NULL);
5033 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
5038 MONO_ARCH_SAVE_REGS;
5040 MONO_CHECK_ARG_NULL (src);
5041 MONO_CHECK_ARG_NULL (dst);
5043 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
5048 mono_runtime_invoke (method, NULL, pa, NULL);
5052 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
5054 MonoDomain *domain = mono_domain_get ();
5057 MONO_ARCH_SAVE_REGS;
5059 MONO_CHECK_ARG_NULL (src);
5060 MONO_CHECK_ARG_NULL (type);
5062 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
5064 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
5070 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
5072 MonoMarshalType *info;
5075 int i, match_index = -1;
5077 MONO_ARCH_SAVE_REGS;
5079 MONO_CHECK_ARG_NULL (type);
5080 MONO_CHECK_ARG_NULL (field_name);
5082 fname = mono_string_to_utf8 (field_name);
5083 klass = mono_class_from_mono_type (type->type);
5085 while(klass && match_index == -1) {
5086 for (i = 0; i < klass->field.count; ++i) {
5087 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
5093 if(match_index == -1)
5094 klass = klass->parent;
5099 if(match_index == -1) {
5103 /* Get back original class instance */
5104 klass = mono_class_from_mono_type (type->type);
5106 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
5107 exc = mono_get_exception_argument ("fieldName", tmp);
5110 mono_raise_exception ((MonoException*)exc);
5113 info = mono_marshal_load_type_info (klass);
5114 return info->fields [match_index].offset;
5118 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
5120 MONO_ARCH_SAVE_REGS;
5122 return mono_string_to_utf8 (string);
5126 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
5128 MONO_ARCH_SAVE_REGS;
5133 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
5137 mono_struct_delete_old (MonoClass *klass, char *ptr)
5139 MonoMarshalType *info;
5142 info = mono_marshal_load_type_info (klass);
5144 for (i = 0; i < info->num_fields; i++) {
5145 MonoMarshalNative ntype;
5146 MonoMarshalConv conv;
5147 MonoType *ftype = info->fields [i].field->type;
5150 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
5153 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
5154 klass->unicode, &conv);
5156 cpos = ptr + info->fields [i].offset;
5159 case MONO_MARSHAL_CONV_NONE:
5160 if (MONO_TYPE_ISSTRUCT (ftype)) {
5161 mono_struct_delete_old (ftype->data.klass, cpos);
5165 case MONO_MARSHAL_CONV_STR_LPWSTR:
5166 case MONO_MARSHAL_CONV_STR_LPSTR:
5167 case MONO_MARSHAL_CONV_STR_LPTSTR:
5168 case MONO_MARSHAL_CONV_STR_BSTR:
5169 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
5170 case MONO_MARSHAL_CONV_STR_TBSTR:
5171 g_free (*(gpointer *)cpos);
5180 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
5184 MONO_ARCH_SAVE_REGS;
5186 MONO_CHECK_ARG_NULL (src);
5187 MONO_CHECK_ARG_NULL (type);
5189 klass = mono_class_from_mono_type (type->type);
5191 mono_struct_delete_old (klass, (char *)src);
5195 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
5197 /* FIXME: Call AllocCoTaskMem under windows */
5198 MONO_ARCH_SAVE_REGS;
5200 return g_try_malloc ((gulong)size);
5204 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
5206 /* FIXME: Call FreeCoTaskMem under windows */
5207 MONO_ARCH_SAVE_REGS;
5213 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
5215 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
5219 mono_marshal_load_type_info (MonoClass* klass)
5221 int i, j, count = 0, native_size = 0, min_align = 1;
5222 MonoMarshalType *info;
5225 g_assert (klass != NULL);
5227 if (klass->marshal_info)
5228 return klass->marshal_info;
5231 mono_class_init (klass);
5233 for (i = 0; i < klass->field.count; ++i) {
5234 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5236 if (mono_field_is_deleted (&klass->fields [i]))
5241 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
5243 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
5244 info->num_fields = count;
5246 /* Try to find a size for this type in metadata */
5247 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
5249 if (klass->parent) {
5250 int parent_size = mono_class_native_size (klass->parent, NULL);
5252 /* Add parent size to real size */
5253 native_size += parent_size;
5254 info->native_size = parent_size;
5257 for (j = i = 0; i < klass->field.count; ++i) {
5260 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5263 if (mono_field_is_deleted (&klass->fields [i]))
5265 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
5266 mono_metadata_field_info (klass->image, klass->field.first + i,
5267 NULL, NULL, &info->fields [j].mspec);
5269 info->fields [j].field = &klass->fields [i];
5271 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
5272 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
5273 /* This field is a hack inserted by MCS to empty structures */
5278 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
5279 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
5280 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
5281 &align, TRUE, klass->unicode);
5282 align = klass->packing_size ? MIN (klass->packing_size, align): align;
5283 min_align = MAX (align, min_align);
5284 info->fields [j].offset = info->native_size;
5285 info->fields [j].offset += align - 1;
5286 info->fields [j].offset &= ~(align - 1);
5287 info->native_size = info->fields [j].offset + size;
5289 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
5291 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
5292 info->native_size = klass->instance_size - sizeof (MonoObject);
5298 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5299 info->native_size = MAX (native_size, info->native_size);
5302 if (info->native_size & (min_align - 1)) {
5303 info->native_size += min_align - 1;
5304 info->native_size &= ~(min_align - 1);
5307 return klass->marshal_info;
5311 * mono_class_native_size:
5314 * Returns: the native size of an object instance (when marshaled
5315 * to unmanaged code)
5318 mono_class_native_size (MonoClass *klass, guint32 *align)
5321 if (!klass->marshal_info)
5322 mono_marshal_load_type_info (klass);
5325 *align = klass->min_align;
5327 return klass->marshal_info->native_size;
5331 * mono_type_native_stack_size:
5332 * @t: the type to return the size it uses on the stack
5334 * Returns: the number of bytes required to hold an instance of this
5335 * type on the native stack
5338 mono_type_native_stack_size (MonoType *t, gint *align)
5342 g_assert (t != NULL);
5353 case MONO_TYPE_BOOLEAN:
5354 case MONO_TYPE_CHAR:
5363 case MONO_TYPE_STRING:
5364 case MONO_TYPE_OBJECT:
5365 case MONO_TYPE_CLASS:
5366 case MONO_TYPE_SZARRAY:
5368 case MONO_TYPE_FNPTR:
5369 case MONO_TYPE_ARRAY:
5370 case MONO_TYPE_TYPEDBYREF:
5381 case MONO_TYPE_VALUETYPE: {
5384 if (t->data.klass->enumtype)
5385 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
5387 size = mono_class_native_size (t->data.klass, align);
5388 *align = *align + 3;
5398 g_error ("type 0x%02x unknown", t->type);
5403 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
5404 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
5405 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
5406 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
5409 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
5410 gboolean as_field, gboolean unicode)
5412 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
5415 switch (native_type) {
5416 case MONO_NATIVE_BOOLEAN:
5419 case MONO_NATIVE_I1:
5420 case MONO_NATIVE_U1:
5423 case MONO_NATIVE_I2:
5424 case MONO_NATIVE_U2:
5425 case MONO_NATIVE_VARIANTBOOL:
5428 case MONO_NATIVE_I4:
5429 case MONO_NATIVE_U4:
5430 case MONO_NATIVE_ERROR:
5433 case MONO_NATIVE_I8:
5434 case MONO_NATIVE_U8:
5435 *align = ALIGNMENT(guint64);
5437 case MONO_NATIVE_R4:
5440 case MONO_NATIVE_R8:
5441 *align = ALIGNMENT(double);
5443 case MONO_NATIVE_INT:
5444 case MONO_NATIVE_UINT:
5445 case MONO_NATIVE_LPSTR:
5446 case MONO_NATIVE_LPWSTR:
5447 case MONO_NATIVE_LPTSTR:
5448 case MONO_NATIVE_BSTR:
5449 case MONO_NATIVE_ANSIBSTR:
5450 case MONO_NATIVE_TBSTR:
5451 case MONO_NATIVE_LPARRAY:
5452 case MONO_NATIVE_SAFEARRAY:
5453 case MONO_NATIVE_IUNKNOWN:
5454 case MONO_NATIVE_IDISPATCH:
5455 case MONO_NATIVE_INTERFACE:
5456 case MONO_NATIVE_ASANY:
5457 case MONO_NATIVE_FUNC:
5458 case MONO_NATIVE_LPSTRUCT:
5459 *align = ALIGNMENT(gpointer);
5460 return sizeof (gpointer);
5461 case MONO_NATIVE_STRUCT:
5462 klass = mono_class_from_mono_type (type);
5463 return mono_class_native_size (klass, align);
5464 case MONO_NATIVE_BYVALTSTR: {
5465 int esize = unicode ? 2: 1;
5468 return mspec->data.array_data.num_elem * esize;
5470 case MONO_NATIVE_BYVALARRAY: {
5472 klass = mono_class_from_mono_type (type);
5473 esize = mono_class_native_size (klass->element_class, align);
5475 return mspec->data.array_data.num_elem * esize;
5477 case MONO_NATIVE_CUSTOM:
5478 g_assert_not_reached ();
5480 case MONO_NATIVE_CURRENCY:
5481 case MONO_NATIVE_VBBYREFSTR:
5483 g_error ("native type %02x not implemented", native_type);
5486 g_assert_not_reached ();
5491 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
5499 t = &o->vtable->klass->byval_arg;
5506 case MONO_TYPE_BOOLEAN:
5509 case MONO_TYPE_CHAR:
5514 return mono_object_unbox (o);
5516 case MONO_TYPE_STRING:
5517 switch (string_encoding) {
5518 case MONO_NATIVE_LPWSTR:
5519 return mono_string_to_utf16 ((MonoString*)o);
5521 case MONO_NATIVE_LPSTR:
5522 return mono_string_to_utf8 ((MonoString*)o);
5525 g_warning ("marshaling conversion %d not implemented", string_encoding);
5526 g_assert_not_reached ();
5529 case MONO_TYPE_CLASS:
5530 case MONO_TYPE_VALUETYPE: {
5534 MonoBoolean delete_old = FALSE;
5536 klass = t->data.klass;
5538 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
5541 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5542 klass->blittable || klass->enumtype)
5543 return mono_object_unbox (o);
5545 res = g_malloc0 (mono_class_native_size (klass, NULL));
5547 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
5551 pa [2] = &delete_old;
5553 mono_runtime_invoke (method, NULL, pa, NULL);
5559 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
5565 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
5570 /* FIXME: Free embedded data as well */
5575 t = &o->vtable->klass->byval_arg;
5577 case MONO_TYPE_STRING:
5578 switch (string_encoding) {
5579 case MONO_NATIVE_LPWSTR:
5582 case MONO_NATIVE_LPSTR:
5586 g_warning ("marshaling conversion %d not implemented", string_encoding);
5587 g_assert_not_reached ();
5590 case MONO_TYPE_CLASS:
5591 case MONO_TYPE_VALUETYPE: {
5592 klass = t->data.klass;
5594 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5595 klass->blittable || klass->enumtype)