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_array_to_savearray (MonoArray *array)
143 g_assert_not_reached ();
148 mono_array_to_lparray (MonoArray *array)
153 /* fixme: maybe we need to make a copy */
154 return array->vector;
158 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
160 GError *error = NULL;
170 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
172 if (items_written > mono_stringbuilder_capacity (sb))
173 items_written = mono_stringbuilder_capacity (sb);
176 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
177 sb->length = items_written;
179 g_error_free (error);
185 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
192 g_assert (mono_string_chars (sb->str) == text);
194 for (len = 0; text [len] != 0; ++len)
201 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
203 GError *error = NULL;
209 res = g_malloc0 (mono_stringbuilder_capacity (sb) + 1);
211 g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
213 g_error_free (error);
214 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
221 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
226 return mono_string_chars (sb->str);
230 mono_string_to_ansibstr (MonoString *string_obj)
232 g_error ("implement me");
237 mono_string_to_bstr (MonoString *string_obj)
239 g_error ("implement me");
244 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
249 g_assert (dst != NULL);
252 memset (dst, 0, size);
257 s = mono_string_to_utf8 (src);
258 len = MIN (size, strlen (s));
259 memcpy (dst, s, len);
262 *((char *)dst + size - 1) = 0;
266 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
270 g_assert (dst != NULL);
274 memset (dst, 0, size);
278 len = MIN (size, (mono_string_length (src) * 2));
279 memcpy (dst, mono_string_chars (src), len);
281 *((char *)dst + size - 1) = 0;
282 *((char *)dst + size - 2) = 0;
286 mono_mb_free (MonoMethodBuilder *mb)
288 g_list_free (mb->locals_list);
293 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
295 MonoMethodBuilder *mb;
298 g_assert (klass != NULL);
299 g_assert (name != NULL);
301 mb = g_new0 (MonoMethodBuilder, 1);
303 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
306 m->name = g_strdup (name);
308 m->inline_count = -1;
309 m->wrapper_type = type;
312 mb->code = g_malloc (mb->code_size);
318 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
320 int res = mb->locals;
322 g_assert (mb != NULL);
323 g_assert (type != NULL);
325 mb->locals_list = g_list_append (mb->locals_list, type);
332 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
334 MonoMethodHeader *header;
338 g_assert (mb != NULL);
340 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
341 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
346 header->max_stack = max_stack;
348 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
349 header->locals [i] = (MonoType *)l->data;
352 mb->method->signature = signature;
353 header->code = mb->code;
354 header->code_size = mb->pos;
355 header->num_locals = mb->locals;
357 #ifdef DEBUG_RUNTIME_CODE
358 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
359 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
366 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
368 MonoMethodWrapper *mw;
370 g_assert (mb != NULL);
372 mw = (MonoMethodWrapper *)mb->method;
374 mw->data = g_list_append (mw->data, data);
376 return g_list_length (mw->data);
380 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
382 mb->code [pos] = value & 0xff;
383 mb->code [pos + 1] = (value >> 8) & 0xff;
384 mb->code [pos + 2] = (value >> 16) & 0xff;
385 mb->code [pos + 3] = (value >> 24) & 0xff;
389 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
391 *((gint8 *)(&mb->code [pos])) = value;
395 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
397 if (mb->pos >= mb->code_size) {
399 mb->code = g_realloc (mb->code, mb->code_size);
402 mb->code [mb->pos++] = op;
406 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
408 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
409 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
412 mono_mb_emit_icon (mb, offset);
413 mono_mb_emit_byte (mb, CEE_ADD);
418 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
421 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
422 mono_mb_emit_byte (mb, CEE_LDIND_I);
423 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
424 mono_mb_emit_byte (mb, CEE_ADD);
425 mono_mb_emit_byte (mb, CEE_LDIND_I);
426 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
427 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
428 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
429 mono_mb_emit_byte (mb, branch_code);
431 mono_mb_emit_i4 (mb, 0);
436 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
438 if ((mb->pos + 4) >= mb->code_size) {
440 mb->code = g_realloc (mb->code, mb->code_size);
443 mono_mb_patch_addr (mb, mb->pos, data);
448 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
450 if ((mb->pos + 2) >= mb->code_size) {
452 mb->code = g_realloc (mb->code, mb->code_size);
455 mb->code [mb->pos] = data & 0xff;
456 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
461 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
463 mono_mb_emit_byte (mb, CEE_LDSTR);
464 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
469 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
472 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
473 } else if (argnum < 256) {
474 mono_mb_emit_byte (mb, CEE_LDARG_S);
475 mono_mb_emit_byte (mb, argnum);
477 mono_mb_emit_byte (mb, CEE_PREFIX1);
478 mono_mb_emit_byte (mb, CEE_LDARG);
479 mono_mb_emit_i2 (mb, argnum);
484 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
487 mono_mb_emit_byte (mb, CEE_LDARGA_S);
488 mono_mb_emit_byte (mb, argnum);
490 mono_mb_emit_byte (mb, CEE_PREFIX1);
491 mono_mb_emit_byte (mb, CEE_LDARGA);
492 mono_mb_emit_i2 (mb, argnum);
497 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
500 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
501 mono_mb_emit_byte (mb, locnum);
503 mono_mb_emit_byte (mb, CEE_PREFIX1);
504 mono_mb_emit_byte (mb, CEE_LDLOCA);
505 mono_mb_emit_i2 (mb, locnum);
510 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
513 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
514 } else if (num < 256) {
515 mono_mb_emit_byte (mb, CEE_LDLOC_S);
516 mono_mb_emit_byte (mb, num);
518 mono_mb_emit_byte (mb, CEE_PREFIX1);
519 mono_mb_emit_byte (mb, CEE_LDLOC);
520 mono_mb_emit_i2 (mb, num);
525 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
528 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
529 } else if (num < 256) {
530 mono_mb_emit_byte (mb, CEE_STLOC_S);
531 mono_mb_emit_byte (mb, num);
533 mono_mb_emit_byte (mb, CEE_PREFIX1);
534 mono_mb_emit_byte (mb, CEE_STLOC);
535 mono_mb_emit_i2 (mb, num);
540 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
542 if (value >= -1 && value < 8) {
543 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
544 } else if (value >= -128 && value <= 127) {
545 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
546 mono_mb_emit_byte (mb, value);
548 mono_mb_emit_byte (mb, CEE_LDC_I4);
549 mono_mb_emit_i4 (mb, value);
554 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
557 mono_mb_emit_byte (mb, op);
559 mono_mb_emit_i4 (mb, 0);
564 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
566 mono_mb_emit_byte (mb, CEE_CALLI);
567 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
571 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
573 mono_mb_emit_byte (mb, CEE_PREFIX1);
574 mono_mb_emit_byte (mb, CEE_LDFTN);
575 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
576 mono_mb_emit_calli (mb, opt_sig ? opt_sig : method->signature);
580 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
582 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
583 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
584 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
585 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
586 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
587 mono_mb_emit_calli (mb, sig);
588 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
589 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
593 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
595 /* fixme: we need a better way to throw exception,
596 * supporting several exception types and messages */
597 MonoMethod *ctor = NULL;
599 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
601 mono_class_init (mme);
602 for (i = 0; i < mme->method.count; ++i) {
603 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
604 ctor = mme->methods [i];
609 mono_mb_emit_byte (mb, CEE_NEWOBJ);
610 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
612 mono_mb_emit_byte (mb, CEE_DUP);
613 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
614 mono_mb_emit_ldstr (mb, (char*)msg);
615 mono_mb_emit_byte (mb, CEE_STIND_I);
617 mono_mb_emit_byte (mb, CEE_THROW);
621 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
623 mono_mb_emit_ldloc (mb, local);
624 mono_mb_emit_icon (mb, incr);
625 mono_mb_emit_byte (mb, CEE_ADD);
626 mono_mb_emit_stloc (mb, local);
630 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
631 int usize, int msize, MonoMarshalSpec *mspec)
634 case MONO_MARSHAL_CONV_BOOL_I4:
635 mono_mb_emit_byte (mb, CEE_LDLOC_1);
636 mono_mb_emit_byte (mb, CEE_LDLOC_0);
637 mono_mb_emit_byte (mb, CEE_LDIND_I4);
638 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
639 mono_mb_emit_byte (mb, 3);
640 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
641 mono_mb_emit_byte (mb, CEE_BR_S);
642 mono_mb_emit_byte (mb, 1);
643 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
644 mono_mb_emit_byte (mb, CEE_STIND_I1);
646 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
647 mono_mb_emit_byte (mb, CEE_LDLOC_1);
648 mono_mb_emit_byte (mb, CEE_LDLOC_0);
649 mono_mb_emit_byte (mb, CEE_LDIND_I2);
650 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
651 mono_mb_emit_byte (mb, 3);
652 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
653 mono_mb_emit_byte (mb, CEE_BR_S);
654 mono_mb_emit_byte (mb, 1);
655 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
656 mono_mb_emit_byte (mb, CEE_STIND_I1);
658 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
659 MonoClass *eclass = NULL;
662 if (type->type == MONO_TYPE_SZARRAY) {
663 eclass = type->data.klass;
665 g_assert_not_reached ();
668 if (eclass->valuetype)
669 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
671 esize = sizeof (gpointer);
673 /* create a new array */
674 mono_mb_emit_byte (mb, CEE_LDLOC_1);
675 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
676 mono_mb_emit_byte (mb, CEE_NEWARR);
677 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
678 mono_mb_emit_byte (mb, CEE_STIND_I);
680 /* copy the elements */
681 mono_mb_emit_byte (mb, CEE_LDLOC_1);
682 mono_mb_emit_byte (mb, CEE_LDIND_I);
683 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
684 mono_mb_emit_byte (mb, CEE_ADD);
685 mono_mb_emit_byte (mb, CEE_LDLOC_0);
686 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
687 mono_mb_emit_byte (mb, CEE_PREFIX1);
688 mono_mb_emit_byte (mb, CEE_CPBLK);
692 case MONO_MARSHAL_CONV_STR_BYVALSTR:
693 mono_mb_emit_byte (mb, CEE_LDLOC_1);
694 mono_mb_emit_byte (mb, CEE_LDLOC_0);
695 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
696 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
697 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
698 mono_mb_emit_byte (mb, CEE_STIND_I);
700 case MONO_MARSHAL_CONV_STR_LPTSTR:
701 case MONO_MARSHAL_CONV_STR_LPSTR:
702 mono_mb_emit_byte (mb, CEE_LDLOC_1);
703 mono_mb_emit_byte (mb, CEE_LDLOC_0);
704 mono_mb_emit_byte (mb, CEE_LDIND_I);
705 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
706 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
707 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
708 mono_mb_emit_byte (mb, CEE_STIND_I);
710 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
711 MonoClass *klass = mono_class_from_mono_type (type);
712 int src_var, dst_var;
714 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
715 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
717 /* *dst = new object */
718 mono_mb_emit_byte (mb, CEE_LDLOC_1);
719 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
720 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
721 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
722 mono_mb_emit_byte (mb, CEE_STIND_I);
724 /* save the old src pointer */
725 mono_mb_emit_byte (mb, CEE_LDLOC_0);
726 mono_mb_emit_stloc (mb, src_var);
727 /* save the old dst pointer */
728 mono_mb_emit_byte (mb, CEE_LDLOC_1);
729 mono_mb_emit_stloc (mb, dst_var);
731 /* dst = pointer to newly created object data */
732 mono_mb_emit_byte (mb, CEE_LDLOC_1);
733 mono_mb_emit_byte (mb, CEE_LDIND_I);
734 mono_mb_emit_icon (mb, sizeof (MonoObject));
735 mono_mb_emit_byte (mb, CEE_ADD);
736 mono_mb_emit_byte (mb, CEE_STLOC_1);
738 emit_struct_conv (mb, klass, TRUE);
740 /* restore the old src pointer */
741 mono_mb_emit_ldloc (mb, src_var);
742 mono_mb_emit_byte (mb, CEE_STLOC_0);
743 /* restore the old dst pointer */
744 mono_mb_emit_ldloc (mb, dst_var);
745 mono_mb_emit_byte (mb, CEE_STLOC_1);
748 case MONO_MARSHAL_CONV_DEL_FTN: {
749 // fixme: we never convert functions back to delegates, dont
750 // know if thats the correct behaviour
753 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
754 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
756 case MONO_MARSHAL_CONV_STR_LPWSTR:
757 case MONO_MARSHAL_CONV_STR_BSTR:
758 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
759 case MONO_MARSHAL_CONV_STR_TBSTR:
760 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
761 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
763 g_warning ("marshaling conversion %d not implemented", conv);
764 g_assert_not_reached ();
769 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
770 MonoMarshalSpec *mspec)
775 case MONO_MARSHAL_CONV_BOOL_I4:
776 mono_mb_emit_byte (mb, CEE_LDLOC_1);
777 mono_mb_emit_byte (mb, CEE_LDLOC_0);
778 mono_mb_emit_byte (mb, CEE_LDIND_U1);
779 mono_mb_emit_byte (mb, CEE_STIND_I4);
781 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
782 mono_mb_emit_byte (mb, CEE_LDLOC_1);
783 mono_mb_emit_byte (mb, CEE_LDLOC_0);
784 mono_mb_emit_byte (mb, CEE_LDIND_U1);
785 mono_mb_emit_byte (mb, CEE_NEG);
786 mono_mb_emit_byte (mb, CEE_STIND_I2);
788 case MONO_MARSHAL_CONV_STR_LPWSTR:
789 case MONO_MARSHAL_CONV_STR_LPSTR:
790 case MONO_MARSHAL_CONV_STR_LPTSTR:
791 case MONO_MARSHAL_CONV_STR_BSTR:
792 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
793 case MONO_MARSHAL_CONV_STR_TBSTR:
794 /* free space if free == true */
795 mono_mb_emit_byte (mb, CEE_LDLOC_2);
796 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
797 mono_mb_emit_byte (mb, 4);
798 mono_mb_emit_byte (mb, CEE_LDLOC_1);
799 mono_mb_emit_byte (mb, CEE_LDIND_I);
800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
801 mono_mb_emit_byte (mb, CEE_MONO_FREE);
803 mono_mb_emit_byte (mb, CEE_LDLOC_1);
804 mono_mb_emit_byte (mb, CEE_LDLOC_0);
805 mono_mb_emit_byte (mb, CEE_LDIND_I);
806 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
807 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
808 mono_mb_emit_byte (mb, conv);
809 mono_mb_emit_byte (mb, CEE_STIND_I);
811 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
812 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
813 case MONO_MARSHAL_CONV_DEL_FTN:
814 mono_mb_emit_byte (mb, CEE_LDLOC_1);
815 mono_mb_emit_byte (mb, CEE_LDLOC_0);
816 mono_mb_emit_byte (mb, CEE_LDIND_I);
817 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
818 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
819 mono_mb_emit_byte (mb, conv);
820 mono_mb_emit_byte (mb, CEE_STIND_I);
822 case MONO_MARSHAL_CONV_STR_BYVALSTR:
823 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
827 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
828 mono_mb_emit_byte (mb, CEE_LDLOC_0);
829 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
830 mono_mb_emit_icon (mb, usize);
831 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
832 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
833 mono_mb_emit_byte (mb, conv);
836 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
837 MonoClass *eclass = NULL;
840 if (type->type == MONO_TYPE_SZARRAY) {
841 eclass = type->data.klass;
843 g_assert_not_reached ();
846 if (eclass->valuetype)
847 esize = mono_class_native_size (eclass, NULL);
849 esize = sizeof (gpointer);
854 mono_mb_emit_byte (mb, CEE_LDLOC_0);
855 mono_mb_emit_byte (mb, CEE_LDIND_I);
856 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
858 mono_mb_emit_byte (mb, 0);
860 mono_mb_emit_byte (mb, CEE_LDLOC_1);
861 mono_mb_emit_byte (mb, CEE_LDLOC_0);
862 mono_mb_emit_byte (mb, CEE_LDIND_I);
863 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
864 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
865 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
866 mono_mb_emit_byte (mb, CEE_ADD);
867 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
868 mono_mb_emit_byte (mb, CEE_PREFIX1);
869 mono_mb_emit_byte (mb, CEE_CPBLK);
870 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
873 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
874 int src_var, dst_var;
876 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
877 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
879 mono_mb_emit_byte (mb, CEE_LDLOC_0);
880 mono_mb_emit_byte (mb, CEE_LDIND_I);
881 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
883 mono_mb_emit_byte (mb, 0);
885 /* save the old src pointer */
886 mono_mb_emit_byte (mb, CEE_LDLOC_0);
887 mono_mb_emit_stloc (mb, src_var);
888 /* save the old dst pointer */
889 mono_mb_emit_byte (mb, CEE_LDLOC_1);
890 mono_mb_emit_stloc (mb, dst_var);
892 /* src = pointer to object data */
893 mono_mb_emit_byte (mb, CEE_LDLOC_0);
894 mono_mb_emit_byte (mb, CEE_LDIND_I);
895 mono_mb_emit_icon (mb, sizeof (MonoObject));
896 mono_mb_emit_byte (mb, CEE_ADD);
897 mono_mb_emit_byte (mb, CEE_STLOC_0);
899 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
901 /* restore the old src pointer */
902 mono_mb_emit_ldloc (mb, src_var);
903 mono_mb_emit_byte (mb, CEE_STLOC_0);
904 /* restore the old dst pointer */
905 mono_mb_emit_ldloc (mb, dst_var);
906 mono_mb_emit_byte (mb, CEE_STLOC_1);
908 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
912 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
913 MonoException *exc = mono_get_exception_not_implemented (msg);
916 mono_raise_exception (exc);
922 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
924 MonoMarshalType *info;
928 emit_struct_conv(mb, klass->parent, to_object);
930 info = mono_marshal_load_type_info (klass);
932 if (info->native_size == 0)
935 if (klass->blittable) {
936 mono_mb_emit_byte (mb, CEE_LDLOC_1);
937 mono_mb_emit_byte (mb, CEE_LDLOC_0);
938 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
939 mono_mb_emit_byte (mb, CEE_PREFIX1);
940 mono_mb_emit_byte (mb, CEE_CPBLK);
944 for (i = 0; i < info->num_fields; i++) {
945 MonoMarshalNative ntype;
946 MonoMarshalConv conv;
947 MonoType *ftype = info->fields [i].field->type;
950 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
952 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
955 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
958 msize = klass->instance_size - info->fields [i].field->offset;
959 usize = info->native_size - info->fields [i].offset;
961 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
962 usize = info->fields [i + 1].offset - info->fields [i].offset;
964 if ((msize < 0) || (usize < 0))
965 /* This happens with GC aware auto layout */
966 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
968 g_assert ((msize >= 0) && (usize >= 0));
971 case MONO_MARSHAL_CONV_NONE: {
974 if (ftype->byref || ftype->type == MONO_TYPE_I ||
975 ftype->type == MONO_TYPE_U) {
976 mono_mb_emit_byte (mb, CEE_LDLOC_1);
977 mono_mb_emit_byte (mb, CEE_LDLOC_0);
978 mono_mb_emit_byte (mb, CEE_LDIND_I);
979 mono_mb_emit_byte (mb, CEE_STIND_I);
988 #if SIZEOF_VOID_P == 4
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_I4);
994 mono_mb_emit_byte (mb, CEE_STIND_I4);
998 case MONO_TYPE_BOOLEAN:
999 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1000 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1001 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1002 mono_mb_emit_byte (mb, CEE_STIND_I1);
1006 case MONO_TYPE_CHAR:
1007 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1008 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1009 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1010 mono_mb_emit_byte (mb, CEE_STIND_I2);
1014 #if SIZEOF_VOID_P == 8
1017 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1018 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1019 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1020 mono_mb_emit_byte (mb, CEE_STIND_I8);
1023 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1024 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1025 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1026 mono_mb_emit_byte (mb, CEE_STIND_R4);
1029 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1030 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1031 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1032 mono_mb_emit_byte (mb, CEE_STIND_R8);
1034 case MONO_TYPE_VALUETYPE:
1035 if (ftype->data.klass->enumtype) {
1036 t = ftype->data.klass->enum_basetype->type;
1039 emit_struct_conv (mb, ftype->data.klass, to_object);
1042 g_warning ("marshaling type %02x not implemented", ftype->type);
1043 g_assert_not_reached ();
1049 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1051 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1055 mono_mb_emit_add_to_local (mb, 0, usize);
1056 mono_mb_emit_add_to_local (mb, 1, msize);
1058 mono_mb_emit_add_to_local (mb, 0, msize);
1059 mono_mb_emit_add_to_local (mb, 1, usize);
1065 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1067 static MonoMethodSignature *state_check_sig = NULL;
1070 if (!state_check_sig) {
1071 state_check_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
1072 state_check_sig->ret = &mono_defaults.void_class->byval_arg;
1073 state_check_sig->pinvoke = 0;
1076 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1077 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1078 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1079 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1080 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1082 mono_mb_emit_native_call (mb, state_check_sig, mono_thread_interruption_checkpoint);
1084 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1087 static MonoAsyncResult *
1088 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1090 MonoMethodMessage *msg;
1091 MonoDelegate *async_callback;
1095 MonoMethod *method = NULL;
1098 g_assert (delegate);
1100 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1102 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1103 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1105 // If the target is a proxy, make a direct call. Is proxy's work
1106 // to make the call asynchronous.
1108 MonoAsyncResult *ares;
1110 MonoArray *out_args;
1112 method = delegate->method_info->method;
1114 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1115 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1116 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1117 ares->async_delegate = (MonoObject *)delegate;
1118 ares->async_callback = (MonoObject *)async_callback;
1119 msg->async_result = ares;
1120 msg->call_type = CallType_BeginInvoke;
1122 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1127 klass = delegate->object.vtable->klass;
1129 method = mono_get_delegate_invoke (klass);
1130 for (i = 0; i < klass->method.count; ++i) {
1131 if (klass->methods [i]->name[0] == 'B' &&
1132 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1133 method = klass->methods [i];
1138 g_assert (method != NULL);
1140 im = mono_get_delegate_invoke (method->klass);
1141 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1143 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1147 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1149 int i, params_var, tmp_var;
1151 /* allocate local (pointer) *params[] */
1152 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1153 /* allocate local (pointer) tmp */
1154 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1156 /* alloate space on stack to store an array of pointers to the arguments */
1157 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1158 mono_mb_emit_byte (mb, CEE_PREFIX1);
1159 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1160 mono_mb_emit_stloc (mb, params_var);
1163 mono_mb_emit_ldloc (mb, params_var);
1164 mono_mb_emit_stloc (mb, tmp_var);
1166 if (save_this && sig->hasthis) {
1167 mono_mb_emit_ldloc (mb, tmp_var);
1168 mono_mb_emit_ldarg_addr (mb, 0);
1169 mono_mb_emit_byte (mb, CEE_STIND_I);
1170 /* tmp = tmp + sizeof (gpointer) */
1171 if (sig->param_count)
1172 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1176 for (i = 0; i < sig->param_count; i++) {
1177 mono_mb_emit_ldloc (mb, tmp_var);
1178 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1179 mono_mb_emit_byte (mb, CEE_STIND_I);
1180 /* tmp = tmp + sizeof (gpointer) */
1181 if (i < (sig->param_count - 1))
1182 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1189 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1193 GString *res = g_string_new ("");
1196 g_string_append (res, prefix);
1197 g_string_append_c (res, '_');
1200 mono_type_get_desc (res, sig->ret, FALSE);
1202 for (i = 0; i < sig->param_count; ++i) {
1203 g_string_append_c (res, '_');
1204 mono_type_get_desc (res, sig->params [i], FALSE);
1207 g_string_free (res, FALSE);
1212 * mono_marshal_get_string_encoding:
1214 * Return the string encoding which should be used for a given parameter.
1216 static MonoMarshalNative
1217 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1219 /* First try the parameter marshal info */
1221 if (spec->native == MONO_NATIVE_LPARRAY) {
1222 if (spec->data.array_data.elem_type != 0)
1223 return spec->data.array_data.elem_type;
1226 return spec->native;
1230 return MONO_NATIVE_LPSTR;
1232 /* Then try the method level marshal info */
1233 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1234 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1235 return MONO_NATIVE_LPSTR;
1236 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1237 return MONO_NATIVE_LPWSTR;
1238 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1239 return MONO_NATIVE_LPTSTR;
1241 return MONO_NATIVE_LPSTR;
1245 static inline MonoMethod*
1246 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1250 EnterCriticalSection (&marshal_mutex);
1251 res = g_hash_table_lookup (cache, key);
1252 LeaveCriticalSection (&marshal_mutex);
1256 /* Create the method from the builder and place it in the cache */
1257 static inline MonoMethod*
1258 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1259 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1264 EnterCriticalSection (&marshal_mutex);
1265 res = g_hash_table_lookup (cache, key);
1267 /* This does not acquire any locks */
1268 res = mono_mb_create_method (mb, sig, max_stack);
1269 g_hash_table_insert (cache, key, res);
1270 mono_g_hash_table_insert (wrapper_hash, res, key);
1273 /* Somebody created it before us */
1275 LeaveCriticalSection (&marshal_mutex);
1281 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1285 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1288 EnterCriticalSection (&marshal_mutex);
1289 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1290 LeaveCriticalSection (&marshal_mutex);
1292 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1293 /* See mono_marshal_get_remoting_invoke_with_check */
1294 return (MonoMethod*)((char*)res - 1);
1300 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1302 MonoMethodSignature *sig;
1303 static MonoMethodSignature *csig = NULL;
1304 MonoMethodBuilder *mb;
1310 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1311 !strcmp (method->name, "BeginInvoke"));
1313 sig = method->signature;
1315 cache = method->klass->image->delegate_begin_invoke_cache;
1316 if ((res = mono_marshal_find_in_cache (cache, sig)))
1319 g_assert (sig->hasthis);
1322 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1324 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1325 csig->ret = &mono_defaults.object_class->byval_arg;
1326 csig->params [0] = &mono_defaults.object_class->byval_arg;
1327 csig->params [1] = &mono_defaults.int_class->byval_arg;
1330 name = mono_signature_to_name (sig, "begin_invoke");
1331 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1334 mb->method->save_lmf = 1;
1336 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1338 mono_mb_emit_ldarg (mb, 0);
1339 mono_mb_emit_ldloc (mb, params_var);
1340 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1341 emit_thread_interrupt_checkpoint (mb);
1342 mono_mb_emit_byte (mb, CEE_RET);
1344 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1350 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1352 MonoDomain *domain = mono_domain_get ();
1353 MonoAsyncResult *ares;
1354 MonoMethod *method = NULL;
1355 MonoMethodSignature *sig;
1356 MonoMethodMessage *msg;
1357 MonoObject *res, *exc;
1358 MonoArray *out_args;
1362 g_assert (delegate);
1364 if (!delegate->method_info || !delegate->method_info->method)
1365 g_assert_not_reached ();
1367 klass = delegate->object.vtable->klass;
1369 for (i = 0; i < klass->method.count; ++i) {
1370 if (klass->methods [i]->name[0] == 'E' &&
1371 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1372 method = klass->methods [i];
1377 g_assert (method != NULL);
1379 sig = method->signature;
1381 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1383 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1386 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1387 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1388 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1389 mono_message_init (domain, msg, delegate->method_info, NULL);
1390 msg->call_type = CallType_EndInvoke;
1391 msg->async_result = ares;
1392 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1395 res = mono_thread_pool_finish (ares, &out_args, &exc);
1398 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1400 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1402 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1404 mono_raise_exception ((MonoException*)exc);
1407 mono_method_return_message_restore (method, params, out_args);
1412 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1414 if (return_type->byref)
1415 return_type = &mono_defaults.int_class->byval_arg;
1416 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1417 return_type = return_type->data.klass->enum_basetype;
1419 switch (return_type->type) {
1420 case MONO_TYPE_VOID:
1421 g_assert_not_reached ();
1424 case MONO_TYPE_STRING:
1425 case MONO_TYPE_CLASS:
1426 case MONO_TYPE_OBJECT:
1427 case MONO_TYPE_ARRAY:
1428 case MONO_TYPE_SZARRAY:
1432 case MONO_TYPE_BOOLEAN:
1433 mono_mb_emit_byte (mb, CEE_UNBOX);
1434 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1435 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1438 mono_mb_emit_byte (mb, CEE_UNBOX);
1439 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1440 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1443 case MONO_TYPE_CHAR:
1444 mono_mb_emit_byte (mb, CEE_UNBOX);
1445 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1446 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1449 mono_mb_emit_byte (mb, CEE_UNBOX);
1450 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1451 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1455 mono_mb_emit_byte (mb, CEE_UNBOX);
1456 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1457 mono_mb_emit_byte (mb, CEE_LDIND_I);
1460 mono_mb_emit_byte (mb, CEE_UNBOX);
1461 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1462 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1465 mono_mb_emit_byte (mb, CEE_UNBOX);
1466 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1467 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1471 mono_mb_emit_byte (mb, CEE_UNBOX);
1472 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1473 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1476 mono_mb_emit_byte (mb, CEE_UNBOX);
1477 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1478 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1481 mono_mb_emit_byte (mb, CEE_UNBOX);
1482 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1483 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1485 case MONO_TYPE_VALUETYPE: {
1487 mono_mb_emit_byte (mb, CEE_UNBOX);
1488 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1489 mono_mb_emit_i4 (mb, class);
1490 mono_mb_emit_byte (mb, CEE_LDOBJ);
1491 mono_mb_emit_i4 (mb, class);
1495 g_warning ("type 0x%x not handled", return_type->type);
1496 g_assert_not_reached ();
1499 mono_mb_emit_byte (mb, CEE_RET);
1503 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1505 MonoMethodSignature *sig;
1506 static MonoMethodSignature *csig = NULL;
1507 MonoMethodBuilder *mb;
1513 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1514 !strcmp (method->name, "EndInvoke"));
1516 sig = method->signature;
1518 cache = method->klass->image->delegate_end_invoke_cache;
1519 if ((res = mono_marshal_find_in_cache (cache, sig)))
1522 g_assert (sig->hasthis);
1525 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1527 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1528 csig->ret = &mono_defaults.object_class->byval_arg;
1529 csig->params [0] = &mono_defaults.object_class->byval_arg;
1530 csig->params [1] = &mono_defaults.int_class->byval_arg;
1533 name = mono_signature_to_name (sig, "end_invoke");
1534 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1537 mb->method->save_lmf = 1;
1539 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1541 mono_mb_emit_ldarg (mb, 0);
1542 mono_mb_emit_ldloc (mb, params_var);
1543 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1544 emit_thread_interrupt_checkpoint (mb);
1546 if (sig->ret->type == MONO_TYPE_VOID) {
1547 mono_mb_emit_byte (mb, CEE_POP);
1548 mono_mb_emit_byte (mb, CEE_RET);
1550 mono_mb_emit_restore_result (mb, sig->ret);
1552 res = mono_mb_create_and_cache (cache, sig,
1553 mb, sig, sig->param_count + 16);
1560 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1562 MonoMethodMessage *msg;
1563 MonoTransparentProxy *this;
1564 MonoObject *res, *exc;
1565 MonoArray *out_args;
1567 this = *((MonoTransparentProxy **)params [0]);
1570 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1572 /* skip the this pointer */
1575 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1578 MonoMethodSignature *sig = method->signature;
1579 int count = sig->param_count;
1580 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1582 for (i=0; i<count; i++) {
1583 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1584 if (class->valuetype) {
1585 if (sig->params [i]->byref)
1586 mparams[i] = *((gpointer *)params [i]);
1588 mparams[i] = params [i];
1590 mparams[i] = *((gpointer**)params [i]);
1594 return mono_runtime_invoke (method, this, mparams, NULL);
1597 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1599 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1602 mono_raise_exception ((MonoException *)exc);
1604 mono_method_return_message_restore (method, params, out_args);
1610 mono_marshal_get_remoting_invoke (MonoMethod *method)
1612 MonoMethodSignature *sig;
1613 static MonoMethodSignature *csig = NULL;
1614 MonoMethodBuilder *mb;
1621 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1624 sig = method->signature;
1626 /* we cant remote methods without this pointer */
1630 cache = method->klass->image->remoting_invoke_cache;
1631 if ((res = mono_marshal_find_in_cache (cache, method)))
1635 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1636 csig->params [0] = &mono_defaults.int_class->byval_arg;
1637 csig->params [1] = &mono_defaults.int_class->byval_arg;
1638 csig->ret = &mono_defaults.object_class->byval_arg;
1642 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1643 mb->method->save_lmf = 1;
1645 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1647 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1648 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1649 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1650 mono_mb_emit_ldloc (mb, params_var);
1651 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1652 emit_thread_interrupt_checkpoint (mb);
1654 if (sig->ret->type == MONO_TYPE_VOID) {
1655 mono_mb_emit_byte (mb, CEE_POP);
1656 mono_mb_emit_byte (mb, CEE_RET);
1658 mono_mb_emit_restore_result (mb, sig->ret);
1661 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1668 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1670 MonoMethodSignature *sig;
1671 MonoMethodBuilder *mb;
1672 MonoMethod *res, *native;
1678 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1681 sig = method->signature;
1683 /* we cant remote methods without this pointer */
1684 g_assert (sig->hasthis);
1686 cache = method->klass->image->remoting_invoke_cache;
1687 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1690 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1692 mono_mb_emit_ldarg (mb, 0);
1693 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1695 native = mono_marshal_get_remoting_invoke (method);
1697 for (i = 0; i <= sig->param_count; i++)
1698 mono_mb_emit_ldarg (mb, i);
1700 mono_mb_emit_managed_call (mb, native, native->signature);
1701 mono_mb_emit_byte (mb, CEE_RET);
1703 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1705 for (i = 0; i <= sig->param_count; i++)
1706 mono_mb_emit_ldarg (mb, i);
1708 mono_mb_emit_managed_call (mb, method, method->signature);
1709 mono_mb_emit_byte (mb, CEE_RET);
1711 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1712 mb, sig, sig->param_count + 16);
1719 * the returned method invokes all methods in a multicast delegate
1722 mono_marshal_get_delegate_invoke (MonoMethod *method)
1724 MonoMethodSignature *sig, *static_sig;
1726 MonoMethodBuilder *mb;
1732 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1733 !strcmp (method->name, "Invoke"));
1735 sig = method->signature;
1737 cache = method->klass->image->delegate_invoke_cache;
1738 if ((res = mono_marshal_find_in_cache (cache, sig)))
1741 static_sig = mono_metadata_signature_dup (sig);
1742 static_sig->hasthis = 0;
1744 name = mono_signature_to_name (sig, "invoke");
1745 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1748 /* allocate local 0 (object) */
1749 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1751 g_assert (sig->hasthis);
1755 * prev.Invoke( args .. );
1756 * return this.<target>( args .. );
1759 /* this wrapper can be used in unmanaged-managed transitions */
1760 emit_thread_interrupt_checkpoint (mb);
1762 /* get this->prev */
1763 mono_mb_emit_ldarg (mb, 0);
1764 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1765 mono_mb_emit_byte (mb, CEE_LDIND_I );
1766 mono_mb_emit_stloc (mb, 0);
1768 /* if prev != null */
1769 mono_mb_emit_ldloc (mb, 0);
1770 mono_mb_emit_byte (mb, CEE_BRFALSE);
1773 mono_mb_emit_i4 (mb, 0);
1776 mono_mb_emit_ldloc (mb, 0);
1777 for (i = 0; i < sig->param_count; i++)
1778 mono_mb_emit_ldarg (mb, i + 1);
1779 mono_mb_emit_managed_call (mb, method, method->signature);
1780 if (sig->ret->type != MONO_TYPE_VOID)
1781 mono_mb_emit_byte (mb, CEE_POP);
1783 /* continued or prev == null */
1784 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1786 /* get this->target */
1787 mono_mb_emit_ldarg (mb, 0);
1788 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1789 mono_mb_emit_byte (mb, CEE_LDIND_I );
1790 mono_mb_emit_stloc (mb, 0);
1792 /* if target != null */
1793 mono_mb_emit_ldloc (mb, 0);
1794 mono_mb_emit_byte (mb, CEE_BRFALSE);
1796 mono_mb_emit_i4 (mb, 0);
1798 /* then call this->method_ptr nonstatic */
1799 mono_mb_emit_ldloc (mb, 0);
1800 for (i = 0; i < sig->param_count; ++i)
1801 mono_mb_emit_ldarg (mb, i + 1);
1802 mono_mb_emit_ldarg (mb, 0);
1803 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1804 mono_mb_emit_byte (mb, CEE_LDIND_I );
1805 mono_mb_emit_byte (mb, CEE_CALLI);
1806 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1808 mono_mb_emit_byte (mb, CEE_BR);
1810 mono_mb_emit_i4 (mb, 0);
1812 /* else [target == null] call this->method_ptr static */
1813 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
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, static_sig));
1824 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1825 mono_mb_emit_byte (mb, CEE_RET);
1827 res = mono_mb_create_and_cache (cache, sig,
1828 mb, sig, sig->param_count + 16);
1835 * generates IL code for the runtime invoke function
1836 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
1838 * we also catch exceptions if exc != null
1841 mono_marshal_get_runtime_invoke (MonoMethod *method)
1843 MonoMethodSignature *sig, *csig, *callsig;
1844 MonoExceptionClause *clause;
1845 MonoMethodHeader *header;
1846 MonoMethodBuilder *mb;
1849 static MonoString *string_dummy = NULL;
1855 if (method->string_ctor) {
1856 static MonoMethodSignature *strsig = NULL;
1858 strsig = mono_metadata_signature_dup (method->signature);
1859 strsig->ret = &mono_defaults.string_class->byval_arg;
1864 callsig = method->signature;
1866 cache = method->klass->image->runtime_invoke_cache;
1867 if ((res = mono_marshal_find_in_cache (cache, callsig)))
1870 /* to make it work with our special string constructors */
1872 string_dummy = mono_string_new_wrapper ("dummy");
1874 sig = method->signature;
1876 csig = mono_metadata_signature_alloc (method->klass->image, 4);
1878 csig->ret = &mono_defaults.object_class->byval_arg;
1879 csig->params [0] = &mono_defaults.object_class->byval_arg;
1880 csig->params [1] = &mono_defaults.int_class->byval_arg;
1881 csig->params [2] = &mono_defaults.int_class->byval_arg;
1882 csig->params [3] = &mono_defaults.int_class->byval_arg;
1884 name = mono_signature_to_name (callsig, "runtime_invoke");
1885 mb = mono_mb_new (method->klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
1888 /* allocate local 0 (object) tmp */
1889 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1890 /* allocate local 1 (object) exc */
1891 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1893 /* cond set *exc to null */
1894 mono_mb_emit_byte (mb, CEE_LDARG_2);
1895 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1896 mono_mb_emit_byte (mb, 3);
1897 mono_mb_emit_byte (mb, CEE_LDARG_2);
1898 mono_mb_emit_byte (mb, CEE_LDNULL);
1899 mono_mb_emit_byte (mb, CEE_STIND_I);
1902 if (method->string_ctor) {
1903 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1904 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1905 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1907 mono_mb_emit_ldarg (mb, 0);
1908 if (method->klass->valuetype) {
1909 mono_mb_emit_byte (mb, CEE_UNBOX);
1910 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1915 for (i = 0; i < sig->param_count; i++) {
1916 MonoType *t = sig->params [i];
1919 mono_mb_emit_ldarg (mb, 1);
1921 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1922 mono_mb_emit_byte (mb, CEE_ADD);
1924 mono_mb_emit_byte (mb, CEE_LDIND_I);
1929 type = sig->params [i]->type;
1933 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1935 case MONO_TYPE_BOOLEAN:
1937 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1940 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1943 case MONO_TYPE_CHAR:
1944 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1948 mono_mb_emit_byte (mb, CEE_LDIND_I);
1951 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1954 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1957 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1960 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1964 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1966 case MONO_TYPE_STRING:
1967 case MONO_TYPE_CLASS:
1968 case MONO_TYPE_ARRAY:
1970 case MONO_TYPE_SZARRAY:
1971 case MONO_TYPE_OBJECT:
1974 case MONO_TYPE_VALUETYPE:
1975 if (t->data.klass->enumtype) {
1976 type = t->data.klass->enum_basetype->type;
1979 mono_mb_emit_byte (mb, CEE_LDOBJ);
1980 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1983 g_assert_not_reached ();
1987 mono_mb_emit_ldarg (mb, 3);
1988 mono_mb_emit_calli (mb, callsig);
1990 if (sig->ret->byref) {
1992 g_assert_not_reached ();
1996 switch (sig->ret->type) {
1997 case MONO_TYPE_VOID:
1998 if (!method->string_ctor)
1999 mono_mb_emit_byte (mb, CEE_LDNULL);
2001 case MONO_TYPE_BOOLEAN:
2002 case MONO_TYPE_CHAR:
2015 case MONO_TYPE_VALUETYPE:
2016 /* box value types */
2017 mono_mb_emit_byte (mb, CEE_BOX);
2018 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
2020 case MONO_TYPE_STRING:
2021 case MONO_TYPE_CLASS:
2022 case MONO_TYPE_ARRAY:
2023 case MONO_TYPE_SZARRAY:
2024 case MONO_TYPE_OBJECT:
2029 g_assert_not_reached ();
2032 mono_mb_emit_stloc (mb, 0);
2034 mono_mb_emit_byte (mb, CEE_LEAVE);
2036 mono_mb_emit_i4 (mb, 0);
2038 clause = g_new0 (MonoExceptionClause, 1);
2039 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
2040 clause->try_len = mb->pos;
2043 clause->token_or_filter = mb->pos;
2045 mono_mb_emit_byte (mb, CEE_POP);
2046 mono_mb_emit_byte (mb, CEE_LDARG_2);
2047 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2048 mono_mb_emit_byte (mb, CEE_PREFIX1);
2049 mono_mb_emit_byte (mb, CEE_CGT_UN);
2050 mono_mb_emit_byte (mb, CEE_PREFIX1);
2051 mono_mb_emit_byte (mb, CEE_ENDFILTER);
2053 clause->handler_offset = mb->pos;
2056 /* store exception */
2057 mono_mb_emit_stloc (mb, 1);
2059 mono_mb_emit_byte (mb, CEE_LDARG_2);
2060 mono_mb_emit_ldloc (mb, 1);
2061 mono_mb_emit_byte (mb, CEE_STIND_I);
2063 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2064 mono_mb_emit_stloc (mb, 0);
2066 mono_mb_emit_byte (mb, CEE_LEAVE);
2067 mono_mb_emit_i4 (mb, 0);
2069 clause->handler_len = mb->pos - clause->handler_offset;
2072 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2073 mono_mb_emit_ldloc (mb, 0);
2074 mono_mb_emit_byte (mb, CEE_RET);
2076 res = mono_mb_create_and_cache (cache, callsig, mb, csig, sig->param_count + 16);
2079 header = ((MonoMethodNormal *)res)->header;
2080 header->num_clauses = 1;
2081 header->clauses = clause;
2087 * generates IL code to call managed methods from unmanaged code
2090 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2092 MonoMethodSignature *sig, *csig;
2093 MonoMethodBuilder *mb;
2094 MonoClass *klass = NULL;
2097 int i, pos = 0, *tmp_locals;
2098 static MonoMethodSignature *alloc_sig = NULL;
2101 g_assert (method != NULL);
2102 g_assert (!method->signature->pinvoke);
2104 cache = method->klass->image->managed_wrapper_cache;
2105 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2108 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2110 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2111 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2112 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2113 alloc_sig->pinvoke = 1;
2117 /* fime: howto free that memory ? */
2120 sig = method->signature;
2122 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2124 /* allocate local 0 (pointer) src_ptr */
2125 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2126 /* allocate local 1 (pointer) dst_ptr */
2127 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2128 /* allocate local 2 (boolean) delete_old */
2129 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2131 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2132 /* allocate local 3 to store the return value */
2133 mono_mb_add_local (mb, sig->ret);
2136 mono_mb_emit_icon (mb, 0);
2137 mono_mb_emit_byte (mb, CEE_STLOC_2);
2139 /* we copy the signature, so that we can modify it */
2140 csig = mono_metadata_signature_dup (sig);
2144 #ifdef PLATFORM_WIN32
2146 * Under windows, delegates passed to native code must use the STDCALL
2147 * calling convention.
2149 csig->call_convention = MONO_CALL_STDCALL;
2152 /* fixme: howto handle this ? */
2156 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2157 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2158 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2163 g_assert_not_reached ();
2168 /* we first do all conversions */
2169 tmp_locals = alloca (sizeof (int) * sig->param_count);
2170 for (i = 0; i < sig->param_count; i ++) {
2171 MonoType *t = sig->params [i];
2172 MonoMarshalSpec *spec = mspecs [i + 1];
2176 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2179 MonoMethod *marshal_native_to_managed;
2180 MonoMethod *get_instance;
2182 /* FIXME: Call CleanUpNativeData after the call */
2184 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2185 g_assert (mtype != NULL);
2186 mklass = mono_class_from_mono_type (mtype);
2187 g_assert (mklass != NULL);
2189 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2190 g_assert (marshal_native_to_managed);
2191 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2192 g_assert (get_instance);
2195 case MONO_TYPE_CLASS:
2196 case MONO_TYPE_OBJECT:
2197 case MONO_TYPE_STRING:
2198 case MONO_TYPE_ARRAY:
2199 case MONO_TYPE_SZARRAY:
2203 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2205 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2207 mono_mb_emit_byte (mb, CEE_CALL);
2208 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2210 mono_mb_emit_ldarg (mb, i);
2212 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2213 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2215 mono_mb_emit_stloc (mb, tmp_locals [i]);
2218 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2219 g_assert_not_reached ();
2226 case MONO_TYPE_CLASS: {
2227 klass = t->data.klass;
2229 /* FIXME: Raise a MarshalDirectiveException here */
2230 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2232 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2234 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2235 mono_mb_emit_byte (mb, CEE_LDNULL);
2236 mono_mb_emit_stloc (mb, tmp_locals [i]);
2241 mono_mb_emit_ldarg (mb, i);
2245 /* Check for NULL and raise an exception */
2246 mono_mb_emit_byte (mb, CEE_BRTRUE);
2248 mono_mb_emit_i4 (mb, 0);
2250 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2252 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2253 mono_mb_emit_ldarg (mb, i);
2254 mono_mb_emit_byte (mb, CEE_LDIND_I);
2257 mono_mb_emit_byte (mb, CEE_STLOC_0);
2259 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2260 mono_mb_emit_stloc (mb, tmp_locals [i]);
2262 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2263 mono_mb_emit_byte (mb, CEE_BRFALSE);
2265 mono_mb_emit_i4 (mb, 0);
2267 /* Create and set dst */
2268 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2269 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2270 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2271 mono_mb_emit_stloc (mb, tmp_locals [i]);
2272 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2273 mono_mb_emit_icon (mb, sizeof (MonoObject));
2274 mono_mb_emit_byte (mb, CEE_ADD);
2275 mono_mb_emit_byte (mb, CEE_STLOC_1);
2277 /* emit valuetype conversion code */
2278 emit_struct_conv (mb, klass, TRUE);
2280 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2283 case MONO_TYPE_VALUETYPE:
2285 klass = sig->params [i]->data.klass;
2286 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2287 klass->blittable || klass->enumtype)
2290 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2293 mono_mb_emit_ldarg (mb, i);
2295 mono_mb_emit_ldarg_addr (mb, i);
2296 mono_mb_emit_byte (mb, CEE_STLOC_0);
2299 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2300 mono_mb_emit_byte (mb, CEE_BRFALSE);
2302 mono_mb_emit_i4 (mb, 0);
2305 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2306 mono_mb_emit_byte (mb, CEE_STLOC_1);
2308 /* emit valuetype convnversion code code */
2309 emit_struct_conv (mb, klass, TRUE);
2312 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2314 case MONO_TYPE_STRING: {
2315 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
2320 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2321 csig->params [i] = &mono_defaults.int_class->byval_arg;
2323 mono_mb_emit_ldarg (mb, i);
2324 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2325 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2328 case MONO_NATIVE_LPWSTR:
2329 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
2331 case MONO_NATIVE_LPSTR:
2332 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2335 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
2336 MonoException *exc = mono_get_exception_not_implemented (msg);
2339 mono_raise_exception (exc);
2343 mono_mb_emit_stloc (mb, tmp_locals [i]);
2346 case MONO_TYPE_ARRAY:
2347 case MONO_TYPE_SZARRAY:
2351 klass = mono_class_from_mono_type (t);
2353 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2354 csig->params [i] = &mono_defaults.int_class->byval_arg;
2356 g_warning ("array marshaling not implemented");
2357 g_assert_not_reached ();
2362 for (i = 0; i < sig->param_count; i++) {
2363 MonoType *t = sig->params [i];
2366 case MONO_TYPE_BOOLEAN:
2380 mono_mb_emit_ldarg (mb, i);
2382 case MONO_TYPE_STRING:
2384 mono_mb_emit_ldarg (mb, i);
2386 g_assert (tmp_locals [i]);
2387 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2390 case MONO_TYPE_CLASS:
2392 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2394 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2396 case MONO_TYPE_ARRAY:
2397 case MONO_TYPE_SZARRAY:
2398 case MONO_TYPE_OBJECT:
2400 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2402 mono_mb_emit_ldarg (mb, i);
2404 case MONO_TYPE_VALUETYPE:
2405 klass = sig->params [i]->data.klass;
2406 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2407 klass->blittable || klass->enumtype) {
2408 mono_mb_emit_ldarg (mb, i);
2412 g_assert (tmp_locals [i]);
2414 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2416 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2419 g_warning ("type 0x%02x unknown", t->type);
2420 g_assert_not_reached ();
2424 emit_thread_interrupt_checkpoint (mb);
2425 mono_mb_emit_managed_call (mb, method, NULL);
2427 if (!sig->ret->byref) {
2428 switch (sig->ret->type) {
2429 case MONO_TYPE_VOID:
2431 case MONO_TYPE_BOOLEAN:
2445 case MONO_TYPE_OBJECT:
2446 mono_mb_emit_byte (mb, CEE_STLOC_3);
2448 case MONO_TYPE_STRING:
2449 csig->ret = &mono_defaults.int_class->byval_arg;
2451 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2452 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2453 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2454 mono_mb_emit_byte (mb, CEE_STLOC_3);
2456 case MONO_TYPE_VALUETYPE:
2457 klass = sig->ret->data.klass;
2458 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2459 klass->blittable || klass->enumtype)
2462 /* load pointer to returned value type */
2463 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2464 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2466 /* store the address of the source into local variable 0 */
2467 mono_mb_emit_byte (mb, CEE_STLOC_0);
2468 /* allocate space for the native struct and
2469 * store the address into dst_ptr */
2470 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2471 g_assert (retobj_var);
2472 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2473 mono_mb_emit_byte (mb, CEE_CONV_I);
2474 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2475 emit_thread_interrupt_checkpoint (mb);
2476 mono_mb_emit_byte (mb, CEE_STLOC_1);
2477 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2478 mono_mb_emit_stloc (mb, retobj_var);
2480 /* emit valuetype conversion code */
2481 emit_struct_conv (mb, klass, FALSE);
2483 case MONO_TYPE_CLASS: {
2486 klass = sig->ret->data.klass;
2488 /* FIXME: Raise a MarshalDirectiveException here */
2489 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2491 mono_mb_emit_byte (mb, CEE_STLOC_0);
2492 /* Check for null */
2493 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2494 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2495 mono_mb_emit_byte (mb, CEE_LDNULL);
2496 mono_mb_emit_byte (mb, CEE_STLOC_3);
2497 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2499 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2502 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2503 mono_mb_emit_icon (mb, sizeof (MonoObject));
2504 mono_mb_emit_byte (mb, CEE_ADD);
2505 mono_mb_emit_byte (mb, CEE_STLOC_0);
2507 /* Allocate and set dest */
2508 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2509 mono_mb_emit_byte (mb, CEE_CONV_I);
2510 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2511 emit_thread_interrupt_checkpoint (mb);
2512 mono_mb_emit_byte (mb, CEE_DUP);
2513 mono_mb_emit_byte (mb, CEE_STLOC_1);
2514 mono_mb_emit_byte (mb, CEE_STLOC_3);
2516 emit_struct_conv (mb, klass, FALSE);
2518 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2522 g_warning ("return type 0x%02x unknown", sig->ret->type);
2523 g_assert_not_reached ();
2526 mono_mb_emit_byte (mb, CEE_STLOC_3);
2529 /* Convert byref arguments back */
2530 for (i = 0; i < sig->param_count; i ++) {
2531 MonoType *t = sig->params [i];
2537 case MONO_TYPE_CLASS: {
2540 klass = t->data.klass;
2542 /* Check for null */
2543 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2544 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2545 mono_mb_emit_ldarg (mb, i);
2546 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2547 mono_mb_emit_byte (mb, CEE_STIND_I);
2548 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2550 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2553 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2554 mono_mb_emit_icon (mb, sizeof (MonoObject));
2555 mono_mb_emit_byte (mb, CEE_ADD);
2556 mono_mb_emit_byte (mb, CEE_STLOC_0);
2558 /* Allocate and set dest */
2559 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2560 mono_mb_emit_byte (mb, CEE_CONV_I);
2561 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2562 emit_thread_interrupt_checkpoint (mb);
2563 mono_mb_emit_byte (mb, CEE_STLOC_1);
2565 /* Update argument pointer */
2566 mono_mb_emit_ldarg (mb, i);
2567 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2568 mono_mb_emit_byte (mb, CEE_STIND_I);
2570 /* emit valuetype conversion code */
2571 emit_struct_conv (mb, klass, FALSE);
2573 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2580 mono_mb_emit_ldloc (mb, retobj_var);
2581 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2582 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2583 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2586 if (!MONO_TYPE_IS_VOID(sig->ret))
2587 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2588 mono_mb_emit_byte (mb, CEE_RET);
2592 res = mono_mb_create_and_cache (cache, method,
2593 mb, csig, sig->param_count + 16);
2595 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2598 //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));
2604 * mono_marshal_get_ldfld_wrapper:
2605 * @type: the type of the field
2607 * This method generates a function which can be use to load a field with type
2608 * @type from an object. The generated function has the following signature:
2609 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2612 mono_marshal_get_ldfld_wrapper (MonoType *type)
2614 MonoMethodSignature *sig, *csig;
2615 MonoMethodBuilder *mb;
2618 static GHashTable *ldfld_hash = NULL;
2620 int t, pos0, pos1 = 0;
2625 if (type->type == MONO_TYPE_SZARRAY) {
2626 klass = mono_defaults.array_class;
2627 } else if (type->type == MONO_TYPE_VALUETYPE) {
2628 klass = type->data.klass;
2629 if (klass->enumtype) {
2630 t = klass->enum_basetype->type;
2631 klass = mono_class_from_mono_type (klass->enum_basetype);
2633 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2634 t == MONO_TYPE_CLASS) {
2635 klass = mono_defaults.object_class;
2636 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2637 klass = mono_defaults.int_class;
2639 klass = mono_class_from_mono_type (type);
2642 klass = mono_defaults.int_class;
2645 EnterCriticalSection (&marshal_mutex);
2647 ldfld_hash = g_hash_table_new (NULL, NULL);
2648 res = g_hash_table_lookup (ldfld_hash, klass);
2649 LeaveCriticalSection (&marshal_mutex);
2653 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2654 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2657 mb->method->save_lmf = 1;
2659 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2660 sig->params [0] = &mono_defaults.object_class->byval_arg;
2661 sig->params [1] = &mono_defaults.int_class->byval_arg;
2662 sig->params [2] = &mono_defaults.int_class->byval_arg;
2663 sig->params [3] = &mono_defaults.int_class->byval_arg;
2664 sig->ret = &klass->byval_arg;
2666 mono_mb_emit_ldarg (mb, 0);
2667 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2669 mono_mb_emit_ldarg (mb, 0);
2670 mono_mb_emit_ldarg (mb, 1);
2671 mono_mb_emit_ldarg (mb, 2);
2673 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2674 csig->params [0] = &mono_defaults.object_class->byval_arg;
2675 csig->params [1] = &mono_defaults.int_class->byval_arg;
2676 csig->params [2] = &mono_defaults.int_class->byval_arg;
2677 csig->ret = &klass->this_arg;
2680 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2681 emit_thread_interrupt_checkpoint (mb);
2683 if (klass->valuetype) {
2684 mono_mb_emit_byte (mb, CEE_UNBOX);
2685 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2686 mono_mb_emit_byte (mb, CEE_BR);
2688 mono_mb_emit_i4 (mb, 0);
2690 mono_mb_emit_byte (mb, CEE_RET);
2694 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2696 mono_mb_emit_ldarg (mb, 0);
2697 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2698 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2699 mono_mb_emit_ldarg (mb, 3);
2700 mono_mb_emit_byte (mb, CEE_ADD);
2702 if (klass->valuetype)
2703 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2708 case MONO_TYPE_BOOLEAN:
2709 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2711 case MONO_TYPE_CHAR:
2714 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2718 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2722 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2725 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2728 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2730 case MONO_TYPE_ARRAY:
2732 case MONO_TYPE_FNPTR:
2733 case MONO_TYPE_SZARRAY:
2734 case MONO_TYPE_OBJECT:
2735 case MONO_TYPE_CLASS:
2736 case MONO_TYPE_STRING:
2739 mono_mb_emit_byte (mb, CEE_LDIND_I);
2741 case MONO_TYPE_VALUETYPE:
2742 g_assert (!klass->enumtype);
2743 mono_mb_emit_byte (mb, CEE_LDOBJ);
2744 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2747 g_warning ("type %x not implemented", type->type);
2748 g_assert_not_reached ();
2751 mono_mb_emit_byte (mb, CEE_RET);
2753 res = mono_mb_create_and_cache (ldfld_hash, klass,
2754 mb, sig, sig->param_count + 16);
2761 * mono_marshal_get_stfld_wrapper:
2762 * @type: the type of the field
2764 * This method generates a function which can be use to store a field with type
2765 * @type. The generated function has the following signature:
2766 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2769 mono_marshal_get_stfld_wrapper (MonoType *type)
2771 MonoMethodSignature *sig, *csig;
2772 MonoMethodBuilder *mb;
2775 static GHashTable *stfld_hash = NULL;
2782 if (type->type == MONO_TYPE_SZARRAY) {
2783 klass = mono_defaults.array_class;
2784 } else if (type->type == MONO_TYPE_VALUETYPE) {
2785 klass = type->data.klass;
2786 if (klass->enumtype) {
2787 t = klass->enum_basetype->type;
2788 klass = mono_class_from_mono_type (klass->enum_basetype);
2790 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2791 t == MONO_TYPE_CLASS) {
2792 klass = mono_defaults.object_class;
2793 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2794 klass = mono_defaults.int_class;
2796 klass = mono_class_from_mono_type (type);
2799 klass = mono_defaults.int_class;
2802 EnterCriticalSection (&marshal_mutex);
2804 stfld_hash = g_hash_table_new (NULL, NULL);
2805 res = g_hash_table_lookup (stfld_hash, klass);
2806 LeaveCriticalSection (&marshal_mutex);
2810 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2811 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2814 mb->method->save_lmf = 1;
2816 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2817 sig->params [0] = &mono_defaults.object_class->byval_arg;
2818 sig->params [1] = &mono_defaults.int_class->byval_arg;
2819 sig->params [2] = &mono_defaults.int_class->byval_arg;
2820 sig->params [3] = &mono_defaults.int_class->byval_arg;
2821 sig->params [4] = &klass->byval_arg;
2822 sig->ret = &mono_defaults.void_class->byval_arg;
2824 mono_mb_emit_ldarg (mb, 0);
2825 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2827 mono_mb_emit_ldarg (mb, 0);
2828 mono_mb_emit_ldarg (mb, 1);
2829 mono_mb_emit_ldarg (mb, 2);
2830 mono_mb_emit_ldarg (mb, 4);
2832 if (klass->valuetype) {
2833 mono_mb_emit_byte (mb, CEE_BOX);
2834 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2837 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2838 csig->params [0] = &mono_defaults.object_class->byval_arg;
2839 csig->params [1] = &mono_defaults.int_class->byval_arg;
2840 csig->params [2] = &mono_defaults.int_class->byval_arg;
2841 csig->params [3] = &klass->this_arg;
2842 csig->ret = &mono_defaults.void_class->byval_arg;
2845 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2846 emit_thread_interrupt_checkpoint (mb);
2848 mono_mb_emit_byte (mb, CEE_RET);
2850 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2852 mono_mb_emit_ldarg (mb, 0);
2853 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2854 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2855 mono_mb_emit_ldarg (mb, 3);
2856 mono_mb_emit_byte (mb, CEE_ADD);
2857 mono_mb_emit_ldarg (mb, 4);
2862 case MONO_TYPE_BOOLEAN:
2863 mono_mb_emit_byte (mb, CEE_STIND_I1);
2865 case MONO_TYPE_CHAR:
2868 mono_mb_emit_byte (mb, CEE_STIND_I2);
2872 mono_mb_emit_byte (mb, CEE_STIND_I4);
2876 mono_mb_emit_byte (mb, CEE_STIND_I8);
2879 mono_mb_emit_byte (mb, CEE_STIND_R4);
2882 mono_mb_emit_byte (mb, CEE_STIND_R8);
2884 case MONO_TYPE_ARRAY:
2886 case MONO_TYPE_FNPTR:
2887 case MONO_TYPE_SZARRAY:
2888 case MONO_TYPE_OBJECT:
2889 case MONO_TYPE_CLASS:
2890 case MONO_TYPE_STRING:
2893 mono_mb_emit_byte (mb, CEE_STIND_I);
2895 case MONO_TYPE_VALUETYPE:
2896 g_assert (!klass->enumtype);
2897 mono_mb_emit_byte (mb, CEE_STOBJ);
2898 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2901 g_warning ("type %x not implemented", type->type);
2902 g_assert_not_reached ();
2905 mono_mb_emit_byte (mb, CEE_RET);
2907 res = mono_mb_create_and_cache (stfld_hash, klass,
2908 mb, sig, sig->param_count + 16);
2915 * generates IL code for the icall wrapper (the generated method
2916 * calls the unmanaged code in func)
2919 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2921 MonoMethodSignature *csig;
2922 MonoMethodBuilder *mb;
2926 g_assert (sig->pinvoke);
2928 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2930 mb->method->save_lmf = 1;
2932 /* we copy the signature, so that we can modify it */
2935 mono_mb_emit_byte (mb, CEE_LDARG_0);
2937 for (i = 0; i < sig->param_count; i++)
2938 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2940 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2941 emit_thread_interrupt_checkpoint (mb);
2942 mono_mb_emit_byte (mb, CEE_RET);
2944 csig = mono_metadata_signature_dup (sig);
2947 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2954 * mono_marshal_get_native_wrapper:
2955 * @method: The MonoMethod to wrap.
2957 * generates IL code for the pinvoke wrapper (the generated method
2958 * calls the unmanaged code in method->addr)
2961 mono_marshal_get_native_wrapper (MonoMethod *method)
2963 MonoMethodSignature *sig, *csig;
2964 MonoMethodPInvoke *piinfo;
2965 MonoMethodBuilder *mb;
2966 MonoMarshalSpec **mspecs;
2970 gboolean pinvoke = FALSE;
2971 int i, pos, argnum, *tmp_locals;
2973 const char *exc_class = "MissingMethodException";
2974 const char *exc_arg = NULL;
2976 g_assert (method != NULL);
2977 g_assert (method->signature->pinvoke);
2979 cache = method->klass->image->native_wrapper_cache;
2980 if ((res = mono_marshal_find_in_cache (cache, method)))
2983 sig = method->signature;
2985 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2986 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2989 if (!method->addr) {
2991 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
2993 method->addr = mono_lookup_internal_call (method);
2996 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2998 mb->method->save_lmf = 1;
3000 piinfo = (MonoMethodPInvoke *)method;
3002 if (!method->addr) {
3003 mono_mb_emit_exception (mb, exc_class, exc_arg);
3004 csig = mono_metadata_signature_dup (sig);
3006 res = mono_mb_create_and_cache (cache, method,
3007 mb, csig, csig->param_count + 16);
3012 /* internal calls: we simply push all arguments and call the method (no conversions) */
3013 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
3015 /* hack - string constructors returns a value */
3016 if (method->string_ctor) {
3017 csig = mono_metadata_signature_dup (sig);
3018 csig->ret = &mono_defaults.string_class->byval_arg;
3023 mono_mb_emit_byte (mb, CEE_LDARG_0);
3025 for (i = 0; i < sig->param_count; i++)
3026 mono_mb_emit_ldarg (mb, i + sig->hasthis);
3028 g_assert (method->addr);
3029 mono_mb_emit_native_call (mb, csig, method->addr);
3030 emit_thread_interrupt_checkpoint (mb);
3031 mono_mb_emit_byte (mb, CEE_RET);
3033 csig = mono_metadata_signature_dup (csig);
3035 res = mono_mb_create_and_cache (cache, method,
3036 mb, csig, csig->param_count + 16);
3043 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
3044 mono_method_get_marshal_info (method, mspecs);
3046 /* pinvoke: we need to convert the arguments if necessary */
3048 /* we copy the signature, so that we can set pinvoke to 0 */
3049 csig = mono_metadata_signature_dup (sig);
3052 /* we allocate local for use with emit_struct_conv() */
3053 /* allocate local 0 (pointer) src_ptr */
3054 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3055 /* allocate local 1 (pointer) dst_ptr */
3056 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3057 /* allocate local 2 (boolean) delete_old */
3058 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3060 /* delete_old = FALSE */
3061 mono_mb_emit_icon (mb, 0);
3062 mono_mb_emit_byte (mb, CEE_STLOC_2);
3064 if (!MONO_TYPE_IS_VOID(sig->ret)) {
3065 /* allocate local 3 to store the return value */
3066 mono_mb_add_local (mb, sig->ret);
3069 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
3070 /* Return type custom marshaling */
3072 * Since we can't determine the return type of the unmanaged function,
3073 * we assume it returns a pointer, and pass that pointer to
3074 * MarshalNativeToManaged.
3076 csig->ret = &mono_defaults.int_class->byval_arg;
3079 /* we first do all conversions */
3080 tmp_locals = alloca (sizeof (int) * sig->param_count);
3082 for (i = 0; i < sig->param_count; i ++) {
3083 MonoType *t = sig->params [i];
3084 MonoMarshalSpec *spec = mspecs [i + 1];
3086 argnum = i + sig->hasthis;
3089 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3092 MonoMethod *marshal_managed_to_native;
3093 MonoMethod *get_instance;
3095 /* FIXME: Call CleanUpNativeData after the call */
3097 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3098 g_assert (mtype != NULL);
3099 mklass = mono_class_from_mono_type (mtype);
3100 g_assert (mklass != NULL);
3102 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
3103 g_assert (marshal_managed_to_native);
3104 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3105 g_assert (get_instance);
3108 case MONO_TYPE_CLASS:
3109 case MONO_TYPE_OBJECT:
3110 case MONO_TYPE_STRING:
3111 case MONO_TYPE_ARRAY:
3112 case MONO_TYPE_SZARRAY:
3113 case MONO_TYPE_VALUETYPE:
3117 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3119 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3121 mono_mb_emit_byte (mb, CEE_CALL);
3122 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3124 mono_mb_emit_ldarg (mb, argnum);
3126 if (t->type == MONO_TYPE_VALUETYPE) {
3128 * Since we can't determine the type of the argument, we
3129 * will assume the unmanaged function takes a pointer.
3131 csig->params [i] = &mono_defaults.int_class->byval_arg;
3133 mono_mb_emit_byte (mb, CEE_BOX);
3134 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3137 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3138 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3140 mono_mb_emit_stloc (mb, tmp_locals [i]);
3144 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3145 g_assert_not_reached ();
3151 if (spec && spec->native == MONO_NATIVE_ASANY) {
3152 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
3154 g_assert (t->type == MONO_TYPE_OBJECT);
3155 g_assert (!t->byref);
3157 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3158 mono_mb_emit_ldarg (mb, argnum);
3159 mono_mb_emit_icon (mb, encoding);
3160 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3161 mono_mb_emit_byte (mb, CEE_MONO_FUNC2);
3162 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ASANY);
3163 mono_mb_emit_stloc (mb, tmp_locals [i]);
3168 case MONO_TYPE_VALUETYPE:
3169 klass = t->data.klass;
3171 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3172 klass->blittable || klass->enumtype)
3175 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3177 /* store the address of the source into local variable 0 */
3179 mono_mb_emit_ldarg (mb, argnum);
3181 mono_mb_emit_ldarg_addr (mb, argnum);
3183 mono_mb_emit_byte (mb, CEE_STLOC_0);
3185 /* allocate space for the native struct and
3186 * store the address into local variable 1 (dest) */
3187 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3188 mono_mb_emit_byte (mb, CEE_PREFIX1);
3189 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3190 mono_mb_emit_stloc (mb, tmp_locals [i]);
3193 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3194 mono_mb_emit_byte (mb, CEE_BRFALSE);
3196 mono_mb_emit_i4 (mb, 0);
3200 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3201 mono_mb_emit_byte (mb, CEE_STLOC_1);
3203 /* emit valuetype conversion code */
3204 emit_struct_conv (mb, klass, FALSE);
3207 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3209 case MONO_TYPE_STRING: {
3210 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3212 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3213 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3216 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3219 mono_mb_emit_ldarg (mb, argnum);
3220 mono_mb_emit_byte (mb, CEE_LDIND_I);
3222 mono_mb_emit_ldarg (mb, argnum);
3225 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3226 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3229 case MONO_NATIVE_LPWSTR:
3230 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3232 case MONO_NATIVE_LPSTR:
3233 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3235 case MONO_NATIVE_LPTSTR:
3236 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3239 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3240 MonoException *exc = mono_get_exception_not_implemented (msg);
3243 mono_raise_exception (exc);
3247 mono_mb_emit_stloc (mb, tmp_locals [i]);
3250 case MONO_TYPE_CLASS:
3251 case MONO_TYPE_OBJECT:
3252 klass = t->data.klass;
3254 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3255 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3257 if (klass->delegate) {
3258 g_assert (!t->byref);
3259 mono_mb_emit_ldarg (mb, argnum);
3260 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3261 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3262 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3263 mono_mb_emit_stloc (mb, tmp_locals [i]);
3264 } else if (klass == mono_defaults.stringbuilder_class) {
3265 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3267 g_assert (!t->byref);
3268 mono_mb_emit_ldarg (mb, argnum);
3269 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3270 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3273 case MONO_NATIVE_LPWSTR:
3274 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3276 case MONO_NATIVE_LPSTR:
3277 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3279 case MONO_NATIVE_LPTSTR:
3280 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3283 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
3284 MonoException *exc = mono_get_exception_not_implemented (msg);
3287 mono_raise_exception (exc);
3291 mono_mb_emit_stloc (mb, tmp_locals [i]);
3293 mono_mb_emit_byte (mb, CEE_LDNULL);
3294 mono_mb_emit_stloc (mb, tmp_locals [i]);
3297 /* we dont need any conversions for out parameters */
3298 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3301 mono_mb_emit_ldarg (mb, argnum);
3302 mono_mb_emit_byte (mb, CEE_LDIND_I);
3305 mono_mb_emit_ldarg (mb, argnum);
3306 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3307 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3310 /* store the address of the source into local variable 0 */
3311 mono_mb_emit_byte (mb, CEE_STLOC_0);
3312 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3313 mono_mb_emit_byte (mb, CEE_BRFALSE);
3315 mono_mb_emit_i4 (mb, 0);
3317 /* allocate space for the native struct and store the address */
3318 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3319 mono_mb_emit_byte (mb, CEE_PREFIX1);
3320 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3321 mono_mb_emit_stloc (mb, tmp_locals [i]);
3323 /* set the src_ptr */
3324 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3325 mono_mb_emit_icon (mb, sizeof (MonoObject));
3326 mono_mb_emit_byte (mb, CEE_ADD);
3327 mono_mb_emit_byte (mb, CEE_STLOC_0);
3330 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3331 mono_mb_emit_byte (mb, CEE_STLOC_1);
3333 /* emit valuetype conversion code */
3334 emit_struct_conv (mb, klass, FALSE);
3336 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3340 case MONO_TYPE_ARRAY:
3341 case MONO_TYPE_SZARRAY:
3345 klass = mono_class_from_mono_type (t);
3347 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3348 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3350 if (klass->element_class == mono_defaults.string_class) {
3351 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3353 mono_mb_emit_ldarg (mb, argnum);
3354 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3355 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3358 case MONO_NATIVE_LPWSTR:
3359 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRWLPARRAY);
3361 case MONO_NATIVE_LPSTR:
3362 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3365 char *msg = g_strdup_printf ("string array marshalling conversion %d not implemented", encoding);
3366 MonoException *exc = mono_get_exception_not_implemented (msg);
3369 mono_raise_exception (exc);
3372 mono_mb_emit_stloc (mb, tmp_locals [i]);
3374 else if (klass->element_class->blittable) {
3375 mono_mb_emit_ldarg (mb, argnum);
3376 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3377 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3379 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3380 mono_mb_emit_stloc (mb, tmp_locals [i]);
3384 guint32 label1, label2, label3;
3385 int index_var, dest_ptr;
3387 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3390 mono_mb_emit_ldarg (mb, argnum);
3391 mono_mb_emit_stloc (mb, tmp_locals [i]);
3392 mono_mb_emit_ldarg (mb, argnum);
3393 mono_mb_emit_byte (mb, CEE_BRFALSE);
3395 mono_mb_emit_i4 (mb, 0);
3397 /* allocate space for the native struct and store the address */
3398 eklass = klass->element_class;
3399 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3400 mono_mb_emit_ldarg (mb, argnum);
3401 mono_mb_emit_byte (mb, CEE_LDLEN);
3402 mono_mb_emit_byte (mb, CEE_MUL);
3403 mono_mb_emit_byte (mb, CEE_PREFIX1);
3404 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3405 mono_mb_emit_stloc (mb, tmp_locals [i]);
3407 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3408 mono_mb_emit_stloc (mb, dest_ptr);
3410 /* Emit marshalling loop */
3411 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3412 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3413 mono_mb_emit_stloc (mb, index_var);
3415 mono_mb_emit_ldloc (mb, index_var);
3416 mono_mb_emit_ldarg (mb, argnum);
3417 mono_mb_emit_byte (mb, CEE_LDLEN);
3418 mono_mb_emit_byte (mb, CEE_BGE);
3420 mono_mb_emit_i4 (mb, 0);
3422 /* Emit marshalling code */
3424 /* set the src_ptr */
3425 mono_mb_emit_ldarg (mb, argnum);
3426 mono_mb_emit_ldloc (mb, index_var);
3427 mono_mb_emit_byte (mb, CEE_LDELEMA);
3428 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3429 mono_mb_emit_byte (mb, CEE_STLOC_0);
3432 mono_mb_emit_ldloc (mb, dest_ptr);
3433 mono_mb_emit_byte (mb, CEE_STLOC_1);
3435 /* emit valuetype conversion code */
3436 emit_struct_conv (mb, eklass, FALSE);
3438 mono_mb_emit_add_to_local (mb, index_var, 1);
3439 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3441 mono_mb_emit_byte (mb, CEE_BR);
3442 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3444 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3445 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3449 case MONO_TYPE_BOOLEAN: {
3450 MonoType *local_type;
3451 int variant_bool = 0;
3455 local_type = &mono_defaults.int32_class->byval_arg;
3457 switch (spec->native) {
3458 case MONO_NATIVE_I1:
3459 local_type = &mono_defaults.byte_class->byval_arg;
3461 case MONO_NATIVE_VARIANTBOOL:
3462 local_type = &mono_defaults.int16_class->byval_arg;
3466 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3470 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3471 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3472 mono_mb_emit_ldarg (mb, argnum);
3473 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3475 mono_mb_emit_byte (mb, CEE_NEG);
3476 mono_mb_emit_stloc (mb, tmp_locals [i]);
3482 /* push all arguments */
3485 mono_mb_emit_byte (mb, CEE_LDARG_0);
3487 for (i = 0; i < sig->param_count; i++) {
3488 MonoType *t = sig->params [i];
3489 MonoMarshalSpec *spec = mspecs [i + 1];
3491 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3492 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3495 if (spec && spec->native == MONO_NATIVE_ASANY) {
3496 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3499 argnum = i + sig->hasthis;
3502 case MONO_TYPE_BOOLEAN:
3504 g_assert (tmp_locals [i]);
3505 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3507 mono_mb_emit_ldarg (mb, argnum);
3522 mono_mb_emit_ldarg (mb, argnum);
3524 case MONO_TYPE_VALUETYPE:
3525 klass = sig->params [i]->data.klass;
3526 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3527 klass->blittable || klass->enumtype) {
3528 mono_mb_emit_ldarg (mb, argnum);
3531 g_assert (tmp_locals [i]);
3532 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3534 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3535 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3536 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3539 case MONO_TYPE_STRING:
3540 case MONO_TYPE_CLASS:
3541 case MONO_TYPE_OBJECT:
3542 g_assert (tmp_locals [i]);
3544 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3546 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3548 case MONO_TYPE_CHAR:
3549 /* fixme: dont know how to marshal that. We cant simply
3550 * convert it to a one byte UTF8 character, because an
3551 * unicode character may need more that one byte in UTF8 */
3552 mono_mb_emit_ldarg (mb, argnum);
3554 case MONO_TYPE_ARRAY:
3555 case MONO_TYPE_SZARRAY:
3557 mono_mb_emit_ldarg (mb, argnum);
3559 g_assert (tmp_locals [i]);
3560 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3563 case MONO_TYPE_TYPEDBYREF:
3564 case MONO_TYPE_FNPTR:
3566 g_warning ("type 0x%02x unknown", t->type);
3567 g_assert_not_reached ();
3572 /* call the native method */
3573 mono_mb_emit_native_call (mb, csig, method->addr);
3575 /* Set LastError if needed */
3576 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3577 MonoMethodSignature *lasterr_sig;
3579 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3580 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3581 lasterr_sig->pinvoke = 1;
3583 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3586 emit_thread_interrupt_checkpoint (mb);
3588 /* convert the result */
3589 if (!sig->ret->byref) {
3590 MonoMarshalSpec *spec = mspecs [0];
3591 type = sig->ret->type;
3593 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3596 MonoMethod *marshal_native_to_managed;
3597 MonoMethod *get_instance;
3599 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3600 g_assert (mtype != NULL);
3601 mklass = mono_class_from_mono_type (mtype);
3602 g_assert (mklass != NULL);
3604 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3605 g_assert (marshal_native_to_managed);
3606 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3607 g_assert (get_instance);
3610 case MONO_TYPE_CLASS:
3611 case MONO_TYPE_OBJECT:
3612 case MONO_TYPE_STRING:
3613 case MONO_TYPE_ARRAY:
3614 case MONO_TYPE_SZARRAY:
3615 case MONO_TYPE_VALUETYPE:
3616 if (type == MONO_TYPE_VALUETYPE) {
3617 /* local 3 can't hold a pointer */
3618 mono_mb_emit_byte (mb, CEE_STLOC_0);
3621 mono_mb_emit_byte (mb, CEE_STLOC_3);
3623 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3625 mono_mb_emit_byte (mb, CEE_CALL);
3626 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3628 if (type == MONO_TYPE_VALUETYPE)
3629 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3631 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3633 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3634 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3636 if (type == MONO_TYPE_VALUETYPE) {
3637 mono_mb_emit_byte (mb, CEE_UNBOX);
3638 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3640 mono_mb_emit_byte (mb, CEE_STLOC_3);
3643 g_warning ("custom marshalling of type %x is currently not supported", type);
3644 g_assert_not_reached ();
3651 case MONO_TYPE_VOID:
3666 /* no conversions necessary */
3667 mono_mb_emit_byte (mb, CEE_STLOC_3);
3669 case MONO_TYPE_BOOLEAN:
3670 /* maybe we need to make sure that it fits within 8 bits */
3671 mono_mb_emit_byte (mb, CEE_STLOC_3);
3673 case MONO_TYPE_VALUETYPE:
3674 klass = sig->ret->data.klass;
3675 if (klass->enumtype) {
3676 type = sig->ret->data.klass->enum_basetype->type;
3680 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3682 mono_mb_emit_byte (mb, CEE_STLOC_3);
3685 /* load pointer to returned value type */
3686 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3687 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3688 /* store the address of the source into local variable 0 */
3689 mono_mb_emit_byte (mb, CEE_STLOC_0);
3691 mono_mb_emit_ldloc_addr (mb, 3);
3692 mono_mb_emit_byte (mb, CEE_STLOC_1);
3694 /* emit valuetype conversion code */
3695 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3697 case MONO_TYPE_STRING:
3698 #ifdef GTK_SHARP_FIXED
3699 mono_mb_emit_byte (mb, CEE_STLOC_0);
3700 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3703 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3704 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3706 switch (spec->native) {
3707 case MONO_NATIVE_LPWSTR:
3708 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3711 g_warning ("marshalling conversion not implemented");
3712 g_assert_not_reached ();
3715 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3717 mono_mb_emit_byte (mb, CEE_STLOC_3);
3719 #ifdef GTK_SHARP_FIXED
3720 /* free the string */
3721 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3722 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3723 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3726 case MONO_TYPE_CLASS:
3727 case MONO_TYPE_OBJECT:
3728 klass = sig->ret->data.klass;
3731 mono_mb_emit_byte (mb, CEE_STLOC_0);
3733 mono_mb_emit_byte (mb, CEE_LDNULL);
3734 mono_mb_emit_byte (mb, CEE_STLOC_3);
3737 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3738 mono_mb_emit_byte (mb, CEE_BRFALSE);
3740 mono_mb_emit_i4 (mb, 0);
3742 /* allocate result object */
3744 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3745 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3746 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3747 mono_mb_emit_byte (mb, CEE_STLOC_3);
3751 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3752 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3753 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3754 mono_mb_emit_icon (mb, sizeof (MonoObject));
3755 mono_mb_emit_byte (mb, CEE_ADD);
3756 mono_mb_emit_byte (mb, CEE_STLOC_1);
3758 /* emit conversion code */
3759 emit_struct_conv (mb, klass, TRUE);
3761 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3763 case MONO_TYPE_ARRAY:
3764 case MONO_TYPE_SZARRAY:
3765 /* fixme: we need conversions here */
3766 mono_mb_emit_byte (mb, CEE_STLOC_3);
3768 case MONO_TYPE_CHAR:
3769 /* fixme: we need conversions here */
3770 mono_mb_emit_byte (mb, CEE_STLOC_3);
3772 case MONO_TYPE_TYPEDBYREF:
3773 case MONO_TYPE_FNPTR:
3775 g_warning ("return type 0x%02x unknown", sig->ret->type);
3776 g_assert_not_reached ();
3780 mono_mb_emit_byte (mb, CEE_STLOC_3);
3783 /* we need to convert byref arguments back and free string arrays */
3784 for (i = 0; i < sig->param_count; i++) {
3785 MonoType *t = sig->params [i];
3786 MonoMarshalSpec *spec = mspecs [i + 1];
3788 argnum = i + sig->hasthis;
3790 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3793 MonoMethod *get_instance;
3794 MonoMethod *cleanup_native;
3796 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3797 g_assert (mtype != NULL);
3798 mklass = mono_class_from_mono_type (mtype);
3799 g_assert (mklass != NULL);
3801 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3802 g_assert (get_instance);
3803 cleanup_native = mono_find_method_by_name (mklass, "CleanUpNativeData", 1);
3804 g_assert (get_instance);
3807 case MONO_TYPE_CLASS:
3808 case MONO_TYPE_OBJECT:
3809 case MONO_TYPE_STRING:
3810 case MONO_TYPE_ARRAY:
3811 case MONO_TYPE_SZARRAY:
3812 case MONO_TYPE_VALUETYPE:
3813 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3815 mono_mb_emit_byte (mb, CEE_CALL);
3816 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3818 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3820 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3821 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
3826 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3827 g_assert_not_reached ();
3833 if (spec && spec->native == MONO_NATIVE_ASANY) {
3834 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, NULL);
3836 mono_mb_emit_ldarg (mb, argnum);
3837 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3838 mono_mb_emit_icon (mb, encoding);
3839 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3840 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
3841 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ASANY);
3846 case MONO_TYPE_STRING:
3847 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3848 mono_mb_emit_ldarg (mb, argnum);
3849 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3850 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3851 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3852 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3853 mono_mb_emit_byte (mb, CEE_STIND_I);
3855 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3856 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3857 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3860 case MONO_TYPE_CLASS:
3861 case MONO_TYPE_OBJECT:
3862 if (t->data.klass == mono_defaults.stringbuilder_class) {
3863 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3864 gboolean need_free = TRUE;
3866 g_assert (!t->byref);
3867 mono_mb_emit_ldarg (mb, argnum);
3868 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3869 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3870 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3873 case MONO_NATIVE_LPWSTR:
3874 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3876 * mono_string_builder_to_utf16 does not allocate a
3877 * new buffer, so no need to free it.
3881 case MONO_NATIVE_LPSTR:
3882 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3884 case MONO_NATIVE_LPTSTR:
3885 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3888 g_assert_not_reached ();
3892 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3893 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3894 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3899 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3902 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3903 /* allocate a new object new object */
3904 mono_mb_emit_ldarg (mb, argnum);
3905 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3906 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3907 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3908 mono_mb_emit_byte (mb, CEE_STIND_I);
3911 /* dst = *argument */
3912 mono_mb_emit_ldarg (mb, argnum);
3915 mono_mb_emit_byte (mb, CEE_LDIND_I);
3917 mono_mb_emit_byte (mb, CEE_STLOC_1);
3919 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3920 mono_mb_emit_byte (mb, CEE_BRFALSE);
3922 mono_mb_emit_i4 (mb, 0);
3924 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3925 mono_mb_emit_icon (mb, sizeof (MonoObject));
3926 mono_mb_emit_byte (mb, CEE_ADD);
3927 mono_mb_emit_byte (mb, CEE_STLOC_1);
3929 /* src = tmp_locals [i] */
3930 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3931 mono_mb_emit_byte (mb, CEE_STLOC_0);
3933 /* emit valuetype conversion code */
3934 emit_struct_conv (mb, klass, TRUE);
3936 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3938 case MONO_TYPE_VALUETYPE:
3942 klass = t->data.klass;
3943 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3944 klass->blittable || klass->enumtype)
3947 /* dst = argument */
3948 mono_mb_emit_ldarg (mb, argnum);
3949 mono_mb_emit_byte (mb, CEE_STLOC_1);
3951 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3952 mono_mb_emit_byte (mb, CEE_BRFALSE);
3954 mono_mb_emit_i4 (mb, 0);
3956 /* src = tmp_locals [i] */
3957 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3958 mono_mb_emit_byte (mb, CEE_STLOC_0);
3960 /* emit valuetype conversion code */
3961 emit_struct_conv (mb, klass, TRUE);
3963 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3965 case MONO_TYPE_SZARRAY:
3969 klass = mono_class_from_mono_type (t);
3971 if (klass->element_class == mono_defaults.string_class) {
3972 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
3973 g_assert (tmp_locals [i]);
3975 mono_mb_emit_ldarg (mb, argnum);
3976 mono_mb_emit_byte (mb, CEE_BRFALSE);
3978 mono_mb_emit_i4 (mb, 0);
3980 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3983 case MONO_NATIVE_LPWSTR:
3985 * The array elements point to the managed string data so
3986 * they don't need to be freed.
3988 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3989 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3992 mono_mb_emit_ldarg (mb, argnum);
3993 mono_mb_emit_byte (mb, CEE_LDLEN);
3994 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3995 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3996 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
4000 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4003 /* Character arrays are implicitly marshalled as [Out] */
4004 if ((klass->element_class == mono_defaults.char_class) || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4005 /* FIXME: Optimize blittable case */
4007 guint32 label1, label2, label3;
4008 int index_var, src_ptr;
4010 eklass = klass->element_class;
4011 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4014 mono_mb_emit_ldarg (mb, argnum);
4015 mono_mb_emit_byte (mb, CEE_BRFALSE);
4017 mono_mb_emit_i4 (mb, 0);
4019 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4020 mono_mb_emit_stloc (mb, src_ptr);
4022 /* Emit marshalling loop */
4023 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4024 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4025 mono_mb_emit_stloc (mb, index_var);
4027 mono_mb_emit_ldloc (mb, index_var);
4028 mono_mb_emit_ldarg (mb, argnum);
4029 mono_mb_emit_byte (mb, CEE_LDLEN);
4030 mono_mb_emit_byte (mb, CEE_BGE);
4032 mono_mb_emit_i4 (mb, 0);
4034 /* Emit marshalling code */
4036 /* set the src_ptr */
4037 mono_mb_emit_ldloc (mb, src_ptr);
4038 mono_mb_emit_byte (mb, CEE_STLOC_0);
4041 mono_mb_emit_ldarg (mb, argnum);
4042 mono_mb_emit_ldloc (mb, index_var);
4043 mono_mb_emit_byte (mb, CEE_LDELEMA);
4044 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
4045 mono_mb_emit_byte (mb, CEE_STLOC_1);
4047 /* emit valuetype conversion code */
4048 emit_struct_conv (mb, eklass, TRUE);
4050 mono_mb_emit_add_to_local (mb, index_var, 1);
4051 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
4053 mono_mb_emit_byte (mb, CEE_BR);
4054 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
4056 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
4057 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
4060 case MONO_TYPE_BOOLEAN:
4063 mono_mb_emit_ldarg (mb, argnum);
4064 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4065 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
4066 mono_mb_emit_byte (mb, CEE_NEG);
4067 mono_mb_emit_byte (mb, CEE_STIND_I1);
4071 if (!MONO_TYPE_IS_VOID(sig->ret))
4072 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4074 mono_mb_emit_byte (mb, CEE_RET);
4076 csig = mono_metadata_signature_dup (sig);
4078 res = mono_mb_create_and_cache (cache, method,
4079 mb, csig, csig->param_count + 16);
4082 for (i = sig->param_count; i >= 0; i--)
4083 g_free (mspecs [i]);
4086 //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));
4092 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
4094 static MonoReflectionType *
4095 type_from_handle (MonoType *handle)
4097 MonoDomain *domain = mono_domain_get ();
4098 MonoClass *klass = mono_class_from_mono_type (handle);
4100 MONO_ARCH_SAVE_REGS;
4102 mono_class_init (klass);
4103 return mono_type_get_object (domain, handle);
4107 * mono_marshal_get_isinst:
4108 * @klass: the type of the field
4110 * This method generates a function which can be used to check if an object is
4111 * an instance of the given type, icluding the case where the object is a proxy.
4112 * The generated function has the following signature:
4113 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
4116 mono_marshal_get_isinst (MonoClass *klass)
4118 static MonoMethodSignature *isint_sig = NULL;
4119 static GHashTable *isinst_hash = NULL;
4121 int pos_was_ok, pos_failed, pos_end, pos_end2;
4123 MonoMethodBuilder *mb;
4125 EnterCriticalSection (&marshal_mutex);
4127 isinst_hash = g_hash_table_new (NULL, NULL);
4129 res = g_hash_table_lookup (isinst_hash, klass);
4130 LeaveCriticalSection (&marshal_mutex);
4135 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4136 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4137 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4138 isint_sig->pinvoke = 0;
4141 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
4142 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4145 mb->method->save_lmf = 1;
4147 /* check if the object is a proxy that needs special cast */
4148 mono_mb_emit_ldarg (mb, 0);
4149 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4150 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
4151 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4153 /* The result of MONO_ISINST can be:
4154 0) the type check succeeded
4155 1) the type check did not succeed
4156 2) a CanCastTo call is needed */
4158 mono_mb_emit_byte (mb, CEE_DUP);
4159 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4161 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
4162 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
4164 /* get the real proxy from the transparent proxy*/
4166 mono_mb_emit_ldarg (mb, 0);
4167 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4168 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4172 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4173 mono_mb_emit_byte (mb, CEE_LDNULL);
4174 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
4178 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4179 mono_mb_emit_byte (mb, CEE_POP);
4180 mono_mb_emit_ldarg (mb, 0);
4184 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4185 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
4186 mono_mb_emit_byte (mb, CEE_RET);
4188 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4195 * mono_marshal_get_castclass:
4196 * @klass: the type of the field
4198 * This method generates a function which can be used to cast an object to
4199 * an instance of the given type, icluding the case where the object is a proxy.
4200 * The generated function has the following signature:
4201 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
4204 mono_marshal_get_castclass (MonoClass *klass)
4206 static MonoMethodSignature *castclass_sig = NULL;
4207 static GHashTable *castclass_hash = NULL;
4209 int pos_was_ok, pos_was_ok2;
4211 MonoMethodBuilder *mb;
4213 EnterCriticalSection (&marshal_mutex);
4214 if (!castclass_hash)
4215 castclass_hash = g_hash_table_new (NULL, NULL);
4217 res = g_hash_table_lookup (castclass_hash, klass);
4218 LeaveCriticalSection (&marshal_mutex);
4222 if (!castclass_sig) {
4223 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4224 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
4225 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
4226 castclass_sig->pinvoke = 0;
4229 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
4230 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4233 mb->method->save_lmf = 1;
4235 /* check if the object is a proxy that needs special cast */
4236 mono_mb_emit_ldarg (mb, 0);
4237 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4238 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
4239 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4241 /* The result of MONO_ISINST can be:
4242 0) the cast is valid
4243 1) cast of unknown proxy type
4244 or an exception if the cast is is invalid
4247 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4249 /* get the real proxy from the transparent proxy*/
4251 mono_mb_emit_ldarg (mb, 0);
4252 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4253 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
4256 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
4259 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4260 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
4261 mono_mb_emit_ldarg (mb, 0);
4264 mono_mb_emit_byte (mb, CEE_RET);
4266 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
4273 mono_marshal_get_proxy_cancast (MonoClass *klass)
4275 static MonoMethodSignature *from_handle_sig = NULL;
4276 static MonoMethodSignature *upgrade_proxy_sig = NULL;
4277 static MonoMethodSignature *isint_sig = NULL;
4278 static GHashTable *proxy_isinst_hash = NULL;
4280 int pos_failed, pos_end;
4282 MonoMethod *can_cast_to;
4283 MonoMethodDesc *desc;
4284 MonoMethodBuilder *mb;
4286 EnterCriticalSection (&marshal_mutex);
4287 if (!proxy_isinst_hash)
4288 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
4290 res = g_hash_table_lookup (proxy_isinst_hash, klass);
4291 LeaveCriticalSection (&marshal_mutex);
4296 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
4297 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
4298 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
4299 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
4300 upgrade_proxy_sig->pinvoke = 1;
4302 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4303 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4304 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4306 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4307 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4308 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4309 isint_sig->pinvoke = 0;
4312 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
4313 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4316 mb->method->save_lmf = 1;
4318 /* get the real proxy from the transparent proxy*/
4319 mono_mb_emit_ldarg (mb, 0);
4320 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4321 mono_mb_emit_byte (mb, CEE_LDIND_I);
4323 /* get the refletion type from the type handle */
4324 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4325 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4326 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4327 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4329 mono_mb_emit_ldarg (mb, 0);
4331 /* make the call to CanCastTo (type, ob) */
4332 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
4333 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
4334 g_assert (can_cast_to);
4335 mono_method_desc_free (desc);
4336 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4337 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
4340 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
4342 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
4343 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4344 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4345 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4346 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4347 mono_mb_emit_ldarg (mb, 0);
4349 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
4350 emit_thread_interrupt_checkpoint (mb);
4352 mono_mb_emit_ldarg (mb, 0);
4353 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4357 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4358 mono_mb_emit_byte (mb, CEE_LDNULL);
4362 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4363 mono_mb_emit_byte (mb, CEE_RET);
4365 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4372 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
4375 klass = mono_class_from_mono_type (rtype->type);
4376 mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
4377 ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
4381 * mono_marshal_get_struct_to_ptr:
4384 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
4387 mono_marshal_get_struct_to_ptr (MonoClass *klass)
4389 MonoMethodBuilder *mb;
4390 static MonoMethod *stoptr = NULL;
4393 g_assert (klass != NULL);
4395 if (klass->str_to_ptr)
4396 return klass->str_to_ptr;
4399 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
4402 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
4404 if (klass->blittable) {
4405 mono_mb_emit_byte (mb, CEE_LDARG_1);
4406 mono_mb_emit_byte (mb, CEE_LDARG_0);
4407 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4408 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4409 mono_mb_emit_byte (mb, CEE_PREFIX1);
4410 mono_mb_emit_byte (mb, CEE_CPBLK);
4413 /* allocate local 0 (pointer) src_ptr */
4414 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4415 /* allocate local 1 (pointer) dst_ptr */
4416 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4417 /* allocate local 2 (boolean) delete_old */
4418 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
4419 mono_mb_emit_byte (mb, CEE_LDARG_2);
4420 mono_mb_emit_byte (mb, CEE_STLOC_2);
4422 /* initialize src_ptr to point to the start of object data */
4423 mono_mb_emit_byte (mb, CEE_LDARG_0);
4424 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4425 mono_mb_emit_byte (mb, CEE_STLOC_0);
4427 /* initialize dst_ptr */
4428 mono_mb_emit_byte (mb, CEE_LDARG_1);
4429 mono_mb_emit_byte (mb, CEE_STLOC_1);
4431 emit_struct_conv (mb, klass, FALSE);
4434 mono_mb_emit_byte (mb, CEE_RET);
4436 res = mono_mb_create_method (mb, stoptr->signature, 0);
4439 klass->str_to_ptr = res;
4444 * mono_marshal_get_ptr_to_struct:
4447 * generates IL code for PtrToStructure (IntPtr src, object structure)
4450 mono_marshal_get_ptr_to_struct (MonoClass *klass)
4452 MonoMethodBuilder *mb;
4453 static MonoMethod *ptostr = NULL;
4456 g_assert (klass != NULL);
4458 if (klass->ptr_to_str)
4459 return klass->ptr_to_str;
4462 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
4465 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
4467 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
4468 mono_mb_emit_byte (mb, CEE_LDARG_1);
4469 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4470 mono_mb_emit_byte (mb, CEE_LDARG_0);
4471 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4472 mono_mb_emit_byte (mb, CEE_PREFIX1);
4473 mono_mb_emit_byte (mb, CEE_CPBLK);
4476 /* allocate local 0 (pointer) src_ptr */
4477 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4478 /* allocate local 1 (pointer) dst_ptr */
4479 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4481 /* initialize src_ptr to point to the start of object data */
4482 mono_mb_emit_byte (mb, CEE_LDARG_0);
4483 mono_mb_emit_byte (mb, CEE_STLOC_0);
4485 /* initialize dst_ptr */
4486 mono_mb_emit_byte (mb, CEE_LDARG_1);
4487 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4488 mono_mb_emit_byte (mb, CEE_STLOC_1);
4490 emit_struct_conv (mb, klass, TRUE);
4493 mono_mb_emit_byte (mb, CEE_RET);
4495 res = mono_mb_create_method (mb, ptostr->signature, 0);
4498 klass->ptr_to_str = res;
4503 * generates IL code for the synchronized wrapper: the generated method
4504 * calls METHOD while locking 'this' or the parent type.
4507 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4509 static MonoMethodSignature *from_handle_sig = NULL;
4510 static MonoMethod *enter_method, *exit_method;
4511 MonoMethodSignature *sig;
4512 MonoExceptionClause *clause;
4513 MonoMethodHeader *header;
4514 MonoMethodBuilder *mb;
4517 int i, pos, this_local, ret_local;
4521 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4524 cache = method->klass->image->synchronized_cache;
4525 if ((res = mono_marshal_find_in_cache (cache, method)))
4528 sig = method->signature;
4530 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4533 if (!MONO_TYPE_IS_VOID (sig->ret))
4534 ret_local = mono_mb_add_local (mb, sig->ret);
4537 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4539 clause = g_new0 (MonoExceptionClause, 1);
4540 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4542 if (!enter_method) {
4543 MonoMethodDesc *desc;
4545 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4546 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4547 g_assert (enter_method);
4548 mono_method_desc_free (desc);
4549 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4550 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4551 g_assert (exit_method);
4552 mono_method_desc_free (desc);
4555 * GetTypeFromHandle isn't called as a managed method because it has
4556 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4557 * transformed into something else by the JIT.
4559 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4560 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4561 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4564 /* Push this or the type object */
4565 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4566 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4567 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4568 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4569 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4572 mono_mb_emit_ldarg (mb, 0);
4573 mono_mb_emit_stloc (mb, this_local);
4575 /* Call Monitor::Enter() */
4576 mono_mb_emit_ldloc (mb, this_local);
4577 mono_mb_emit_managed_call (mb, enter_method, NULL);
4579 clause->try_offset = mb->pos;
4581 /* Call the method */
4583 mono_mb_emit_ldarg (mb, 0);
4584 for (i = 0; i < sig->param_count; i++)
4585 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4586 mono_mb_emit_managed_call (mb, method, method->signature);
4587 if (!MONO_TYPE_IS_VOID (sig->ret))
4588 mono_mb_emit_stloc (mb, ret_local);
4590 mono_mb_emit_byte (mb, CEE_LEAVE);
4592 mono_mb_emit_i4 (mb, 0);
4594 clause->try_len = mb->pos - clause->try_offset;
4595 clause->handler_offset = mb->pos;
4597 /* Call Monitor::Exit() */
4598 mono_mb_emit_ldloc (mb, this_local);
4599 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4600 mono_mb_emit_managed_call (mb, exit_method, NULL);
4601 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4603 clause->handler_len = mb->pos - clause->handler_offset;
4605 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4606 if (!MONO_TYPE_IS_VOID (sig->ret))
4607 mono_mb_emit_ldloc (mb, ret_local);
4608 mono_mb_emit_byte (mb, CEE_RET);
4610 res = mono_mb_create_and_cache (cache, method,
4611 mb, sig, sig->param_count + 16);
4614 header = ((MonoMethodNormal *)res)->header;
4615 header->num_clauses = 1;
4616 header->clauses = clause;
4621 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4623 mono_marshal_alloc (gpointer size)
4625 MONO_ARCH_SAVE_REGS;
4627 return g_try_malloc ((gulong)size);
4631 mono_marshal_free (gpointer ptr)
4633 MONO_ARCH_SAVE_REGS;
4639 mono_marshal_free_array (gpointer *ptr, int size)
4646 for (i = 0; i < size; i++)
4652 mono_marshal_realloc (gpointer ptr, gpointer size)
4654 MONO_ARCH_SAVE_REGS;
4656 return g_try_realloc (ptr, (gulong)size);
4660 mono_marshal_string_array (MonoArray *array)
4668 len = mono_array_length (array);
4670 result = g_malloc (sizeof (char *) * (len + 1));
4671 for (i = 0; i < len; ++i) {
4672 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4673 result [i] = s ? mono_string_to_utf8 (s): NULL;
4675 /* null terminate the array */
4682 mono_marshal_string_array_to_unicode (MonoArray *array)
4690 len = mono_array_length (array);
4692 result = g_malloc (sizeof (gunichar2 *) * (len + 1));
4693 for (i = 0; i < len; ++i) {
4694 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4695 result [i] = s ? mono_string_chars (s) : NULL;
4697 /* null terminate the array */
4704 * mono_marshal_set_last_error:
4706 * This function is invoked to set the last error value from a P/Invoke call
4707 * which has SetLastError set.
4710 mono_marshal_set_last_error (void)
4713 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4715 TlsSetValue (last_error_tls_id, (gpointer)errno);
4720 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4721 gpointer dest, gint32 length)
4726 MONO_ARCH_SAVE_REGS;
4728 MONO_CHECK_ARG_NULL (src);
4729 MONO_CHECK_ARG_NULL (dest);
4731 g_assert (src->obj.vtable->klass->rank == 1);
4732 g_assert (start_index >= 0);
4733 g_assert (length >= 0);
4734 g_assert (start_index + length <= mono_array_length (src));
4736 element_size = mono_array_element_size (src->obj.vtable->klass);
4738 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4740 memcpy (dest, source_addr, length * element_size);
4744 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4745 MonoArray *dest, gint32 length)
4750 MONO_ARCH_SAVE_REGS;
4752 MONO_CHECK_ARG_NULL (src);
4753 MONO_CHECK_ARG_NULL (dest);
4755 g_assert (dest->obj.vtable->klass->rank == 1);
4756 g_assert (start_index >= 0);
4757 g_assert (length >= 0);
4758 g_assert (start_index + length <= mono_array_length (dest));
4760 element_size = mono_array_element_size (dest->obj.vtable->klass);
4762 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4764 memcpy (dest_addr, src, length * element_size);
4767 #if NO_UNALIGNED_ACCESS
4768 #define RETURN_UNALIGNED(type, addr) \
4771 memcpy(&val, p + offset, sizeof(val)); \
4774 #define WRITE_UNALIGNED(type, addr, val) \
4775 memcpy(addr, &val, sizeof(type))
4777 #define RETURN_UNALIGNED(type, addr) \
4778 return *(type*)(p + offset);
4779 #define WRITE_UNALIGNED(type, addr, val) \
4780 (*(type *)(addr) = (val))
4784 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4788 MONO_ARCH_SAVE_REGS;
4790 RETURN_UNALIGNED(gpointer, p + offset);
4794 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4798 MONO_ARCH_SAVE_REGS;
4800 return *(unsigned char*)(p + offset);
4804 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4808 MONO_ARCH_SAVE_REGS;
4810 RETURN_UNALIGNED(gint16, p + offset);
4814 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4818 MONO_ARCH_SAVE_REGS;
4820 RETURN_UNALIGNED(gint32, p + offset);
4824 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4828 MONO_ARCH_SAVE_REGS;
4830 RETURN_UNALIGNED(gint64, p + offset);
4834 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4838 MONO_ARCH_SAVE_REGS;
4840 *(unsigned char*)(p + offset) = val;
4844 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4848 MONO_ARCH_SAVE_REGS;
4850 WRITE_UNALIGNED(gpointer, p + offset, val);
4854 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4858 MONO_ARCH_SAVE_REGS;
4860 WRITE_UNALIGNED(gint16, p + offset, val);
4864 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4868 MONO_ARCH_SAVE_REGS;
4870 WRITE_UNALIGNED(gint32, p + offset, val);
4874 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4878 MONO_ARCH_SAVE_REGS;
4880 WRITE_UNALIGNED(gint64, p + offset, val);
4884 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4886 MONO_ARCH_SAVE_REGS;
4889 return mono_string_new (mono_domain_get (), "");
4891 return mono_string_new (mono_domain_get (), ptr);
4895 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4897 MONO_ARCH_SAVE_REGS;
4900 return mono_string_new (mono_domain_get (), "");
4902 return mono_string_new_len (mono_domain_get (), ptr, len);
4906 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4908 MonoDomain *domain = mono_domain_get ();
4912 MONO_ARCH_SAVE_REGS;
4915 return mono_string_new (mono_domain_get (), "");
4920 return mono_string_new_utf16 (domain, ptr, len);
4924 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4926 MonoDomain *domain = mono_domain_get ();
4928 MONO_ARCH_SAVE_REGS;
4931 return mono_string_new (mono_domain_get (), "");
4933 return mono_string_new_utf16 (domain, ptr, len);
4937 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4939 MONO_ARCH_SAVE_REGS;
4941 g_warning ("PtrToStringBSTR not implemented");
4942 g_assert_not_reached ();
4948 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4950 MONO_ARCH_SAVE_REGS;
4952 return ((guint32)TlsGetValue (last_error_tls_id));
4956 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4962 MONO_ARCH_SAVE_REGS;
4964 MONO_CHECK_ARG_NULL (rtype);
4967 klass = mono_class_from_mono_type (type);
4968 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
4970 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4974 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
4975 exc = mono_get_exception_argument ("t", msg);
4977 mono_raise_exception (exc);
4981 return mono_class_native_size (klass, NULL);
4985 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4990 MONO_ARCH_SAVE_REGS;
4992 MONO_CHECK_ARG_NULL (obj);
4993 MONO_CHECK_ARG_NULL (dst);
4995 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4999 pa [2] = &delete_old;
5001 mono_runtime_invoke (method, NULL, pa, NULL);
5005 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
5010 MONO_ARCH_SAVE_REGS;
5012 MONO_CHECK_ARG_NULL (src);
5013 MONO_CHECK_ARG_NULL (dst);
5015 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
5020 mono_runtime_invoke (method, NULL, pa, NULL);
5024 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
5026 MonoDomain *domain = mono_domain_get ();
5029 MONO_ARCH_SAVE_REGS;
5031 MONO_CHECK_ARG_NULL (src);
5032 MONO_CHECK_ARG_NULL (type);
5034 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
5036 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
5042 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
5044 MonoMarshalType *info;
5047 int i, match_index = -1;
5049 MONO_ARCH_SAVE_REGS;
5051 MONO_CHECK_ARG_NULL (type);
5052 MONO_CHECK_ARG_NULL (field_name);
5054 fname = mono_string_to_utf8 (field_name);
5055 klass = mono_class_from_mono_type (type->type);
5057 while(klass && match_index == -1) {
5058 for (i = 0; i < klass->field.count; ++i) {
5059 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
5065 if(match_index == -1)
5066 klass = klass->parent;
5071 if(match_index == -1) {
5075 /* Get back original class instance */
5076 klass = mono_class_from_mono_type (type->type);
5078 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
5079 exc = mono_get_exception_argument ("fieldName", tmp);
5082 mono_raise_exception ((MonoException*)exc);
5085 info = mono_marshal_load_type_info (klass);
5086 return info->fields [match_index].offset;
5090 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
5092 MONO_ARCH_SAVE_REGS;
5094 return mono_string_to_utf8 (string);
5098 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
5100 MONO_ARCH_SAVE_REGS;
5105 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
5109 mono_struct_delete_old (MonoClass *klass, char *ptr)
5111 MonoMarshalType *info;
5114 info = mono_marshal_load_type_info (klass);
5116 for (i = 0; i < info->num_fields; i++) {
5117 MonoMarshalNative ntype;
5118 MonoMarshalConv conv;
5119 MonoType *ftype = info->fields [i].field->type;
5122 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
5125 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
5126 klass->unicode, &conv);
5128 cpos = ptr + info->fields [i].offset;
5131 case MONO_MARSHAL_CONV_NONE:
5132 if (MONO_TYPE_ISSTRUCT (ftype)) {
5133 mono_struct_delete_old (ftype->data.klass, cpos);
5137 case MONO_MARSHAL_CONV_STR_LPWSTR:
5138 case MONO_MARSHAL_CONV_STR_LPSTR:
5139 case MONO_MARSHAL_CONV_STR_LPTSTR:
5140 case MONO_MARSHAL_CONV_STR_BSTR:
5141 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
5142 case MONO_MARSHAL_CONV_STR_TBSTR:
5143 g_free (*(gpointer *)cpos);
5152 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
5156 MONO_ARCH_SAVE_REGS;
5158 MONO_CHECK_ARG_NULL (src);
5159 MONO_CHECK_ARG_NULL (type);
5161 klass = mono_class_from_mono_type (type->type);
5163 mono_struct_delete_old (klass, (char *)src);
5167 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
5169 /* FIXME: Call AllocCoTaskMem under windows */
5170 MONO_ARCH_SAVE_REGS;
5172 return g_try_malloc ((gulong)size);
5176 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
5178 /* FIXME: Call FreeCoTaskMem under windows */
5179 MONO_ARCH_SAVE_REGS;
5185 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
5187 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
5191 mono_marshal_load_type_info (MonoClass* klass)
5193 int i, j, count = 0, native_size = 0, min_align = 1;
5194 MonoMarshalType *info;
5197 g_assert (klass != NULL);
5199 if (klass->marshal_info)
5200 return klass->marshal_info;
5203 mono_class_init (klass);
5205 for (i = 0; i < klass->field.count; ++i) {
5206 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5208 if (mono_field_is_deleted (&klass->fields [i]))
5213 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
5215 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
5216 info->num_fields = count;
5218 /* Try to find a size for this type in metadata */
5219 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
5221 if (klass->parent) {
5222 int parent_size = mono_class_native_size (klass->parent, NULL);
5224 /* Add parent size to real size */
5225 native_size += parent_size;
5226 info->native_size = parent_size;
5229 for (j = i = 0; i < klass->field.count; ++i) {
5232 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5235 if (mono_field_is_deleted (&klass->fields [i]))
5237 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
5238 mono_metadata_field_info (klass->image, klass->field.first + i,
5239 NULL, NULL, &info->fields [j].mspec);
5241 info->fields [j].field = &klass->fields [i];
5243 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
5244 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
5245 /* This field is a hack inserted by MCS to empty structures */
5250 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
5251 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
5252 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
5253 &align, TRUE, klass->unicode);
5254 align = klass->packing_size ? MIN (klass->packing_size, align): align;
5255 min_align = MAX (align, min_align);
5256 info->fields [j].offset = info->native_size;
5257 info->fields [j].offset += align - 1;
5258 info->fields [j].offset &= ~(align - 1);
5259 info->native_size = info->fields [j].offset + size;
5261 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
5263 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
5264 info->native_size = klass->instance_size - sizeof (MonoObject);
5270 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5271 info->native_size = MAX (native_size, info->native_size);
5274 if (info->native_size & (min_align - 1)) {
5275 info->native_size += min_align - 1;
5276 info->native_size &= ~(min_align - 1);
5279 return klass->marshal_info;
5283 * mono_class_native_size:
5286 * Returns: the native size of an object instance (when marshaled
5287 * to unmanaged code)
5290 mono_class_native_size (MonoClass *klass, guint32 *align)
5293 if (!klass->marshal_info)
5294 mono_marshal_load_type_info (klass);
5297 *align = klass->min_align;
5299 return klass->marshal_info->native_size;
5303 * mono_type_native_stack_size:
5304 * @t: the type to return the size it uses on the stack
5306 * Returns: the number of bytes required to hold an instance of this
5307 * type on the native stack
5310 mono_type_native_stack_size (MonoType *t, gint *align)
5314 g_assert (t != NULL);
5325 case MONO_TYPE_BOOLEAN:
5326 case MONO_TYPE_CHAR:
5335 case MONO_TYPE_STRING:
5336 case MONO_TYPE_OBJECT:
5337 case MONO_TYPE_CLASS:
5338 case MONO_TYPE_SZARRAY:
5340 case MONO_TYPE_FNPTR:
5341 case MONO_TYPE_ARRAY:
5342 case MONO_TYPE_TYPEDBYREF:
5353 case MONO_TYPE_VALUETYPE: {
5356 if (t->data.klass->enumtype)
5357 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
5359 size = mono_class_native_size (t->data.klass, align);
5360 *align = *align + 3;
5370 g_error ("type 0x%02x unknown", t->type);
5375 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
5376 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
5377 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
5378 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
5381 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
5382 gboolean as_field, gboolean unicode)
5384 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
5387 switch (native_type) {
5388 case MONO_NATIVE_BOOLEAN:
5391 case MONO_NATIVE_I1:
5392 case MONO_NATIVE_U1:
5395 case MONO_NATIVE_I2:
5396 case MONO_NATIVE_U2:
5397 case MONO_NATIVE_VARIANTBOOL:
5400 case MONO_NATIVE_I4:
5401 case MONO_NATIVE_U4:
5402 case MONO_NATIVE_ERROR:
5405 case MONO_NATIVE_I8:
5406 case MONO_NATIVE_U8:
5407 *align = ALIGNMENT(guint64);
5409 case MONO_NATIVE_R4:
5412 case MONO_NATIVE_R8:
5413 *align = ALIGNMENT(double);
5415 case MONO_NATIVE_INT:
5416 case MONO_NATIVE_UINT:
5417 case MONO_NATIVE_LPSTR:
5418 case MONO_NATIVE_LPWSTR:
5419 case MONO_NATIVE_LPTSTR:
5420 case MONO_NATIVE_BSTR:
5421 case MONO_NATIVE_ANSIBSTR:
5422 case MONO_NATIVE_TBSTR:
5423 case MONO_NATIVE_LPARRAY:
5424 case MONO_NATIVE_SAFEARRAY:
5425 case MONO_NATIVE_IUNKNOWN:
5426 case MONO_NATIVE_IDISPATCH:
5427 case MONO_NATIVE_INTERFACE:
5428 case MONO_NATIVE_ASANY:
5429 case MONO_NATIVE_FUNC:
5430 case MONO_NATIVE_LPSTRUCT:
5431 *align = ALIGNMENT(gpointer);
5432 return sizeof (gpointer);
5433 case MONO_NATIVE_STRUCT:
5434 klass = mono_class_from_mono_type (type);
5435 return mono_class_native_size (klass, align);
5436 case MONO_NATIVE_BYVALTSTR: {
5437 int esize = unicode ? 2: 1;
5440 return mspec->data.array_data.num_elem * esize;
5442 case MONO_NATIVE_BYVALARRAY: {
5444 klass = mono_class_from_mono_type (type);
5445 esize = mono_class_native_size (klass->element_class, align);
5447 return mspec->data.array_data.num_elem * esize;
5449 case MONO_NATIVE_CUSTOM:
5450 g_assert_not_reached ();
5452 case MONO_NATIVE_CURRENCY:
5453 case MONO_NATIVE_VBBYREFSTR:
5455 g_error ("native type %02x not implemented", native_type);
5458 g_assert_not_reached ();
5463 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
5471 t = &o->vtable->klass->byval_arg;
5478 case MONO_TYPE_BOOLEAN:
5481 case MONO_TYPE_CHAR:
5486 return mono_object_unbox (o);
5488 case MONO_TYPE_STRING:
5489 switch (string_encoding) {
5490 case MONO_NATIVE_LPWSTR:
5491 return mono_string_to_utf16 ((MonoString*)o);
5493 case MONO_NATIVE_LPSTR:
5494 return mono_string_to_utf8 ((MonoString*)o);
5497 g_warning ("marshaling conversion %d not implemented", string_encoding);
5498 g_assert_not_reached ();
5501 case MONO_TYPE_CLASS:
5502 case MONO_TYPE_VALUETYPE: {
5506 MonoBoolean delete_old = FALSE;
5508 klass = t->data.klass;
5510 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
5513 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5514 klass->blittable || klass->enumtype)
5515 return mono_object_unbox (o);
5517 res = g_malloc0 (mono_class_native_size (klass, NULL));
5519 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
5523 pa [2] = &delete_old;
5525 mono_runtime_invoke (method, NULL, pa, NULL);
5531 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
5537 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
5542 /* FIXME: Free embedded data as well */
5547 t = &o->vtable->klass->byval_arg;
5549 case MONO_TYPE_STRING:
5550 switch (string_encoding) {
5551 case MONO_NATIVE_LPWSTR:
5554 case MONO_NATIVE_LPSTR:
5558 g_warning ("marshaling conversion %d not implemented", string_encoding);
5559 g_assert_not_reached ();
5562 case MONO_TYPE_CLASS:
5563 case MONO_TYPE_VALUETYPE: {
5564 klass = t->data.klass;
5566 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
5567 klass->blittable || klass->enumtype)