2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/monitor.h"
24 //#define DEBUG_RUNTIME_CODE
26 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
30 #include "mono/cil/opcode.def"
35 struct _MonoMethodBuilder {
39 guint32 code_size, pos;
44 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
47 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
49 MonoMethod *res = NULL;
52 for (i = 0; i < klass->method.count; ++i) {
53 if (klass->methods [i]->name[0] == name [0] &&
54 !strcmp (name, klass->methods [i]->name) &&
55 klass->methods [i]->signature->param_count == param_count) {
56 res = klass->methods [i];
63 #ifdef DEBUG_RUNTIME_CODE
65 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
67 return g_strdup (" ");
70 static MonoDisHelper marshal_dh = {
80 /* This mutex protects the various marshalling related caches in MonoImage */
81 static CRITICAL_SECTION marshal_mutex;
83 /* Maps wrapper methods to the methods they wrap */
84 static MonoGHashTable *wrapper_hash;
86 static guint32 last_error_tls_id;
89 mono_marshal_init (void)
91 static gboolean module_initialized = FALSE;
93 if (!module_initialized) {
94 module_initialized = TRUE;
95 InitializeCriticalSection (&marshal_mutex);
96 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
97 last_error_tls_id = TlsAlloc ();
102 mono_delegate_to_ftnptr (MonoDelegate *delegate)
104 MonoMethod *method, *wrapper, *invoke;
105 MonoMarshalSpec **mspecs;
112 if (delegate->delegate_trampoline)
113 return delegate->delegate_trampoline;
115 klass = ((MonoObject *)delegate)->vtable->klass;
116 g_assert (klass->delegate);
119 method = delegate->method_info->method;
120 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
122 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
123 mono_method_get_marshal_info (invoke, mspecs);
125 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
127 for (i = invoke->signature->param_count; i >= 0; i--)
131 delegate->delegate_trampoline = mono_compile_method (wrapper);
133 return delegate->delegate_trampoline;
137 mono_array_to_savearray (MonoArray *array)
142 g_assert_not_reached ();
147 mono_array_to_lparray (MonoArray *array)
152 /* fixme: maybe we need to make a copy */
153 return array->vector;
157 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
159 GError *error = NULL;
169 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
171 if (items_written > mono_stringbuilder_capacity (sb))
172 items_written = mono_stringbuilder_capacity (sb);
175 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
176 sb->length = items_written;
178 g_error_free (error);
184 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_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
567 opt_sig = method->signature;
568 mono_mb_emit_byte (mb, CEE_PREFIX1);
569 mono_mb_emit_byte (mb, CEE_LDFTN);
570 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
571 mono_mb_emit_byte (mb, CEE_CALLI);
572 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
576 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
578 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
579 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
580 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
581 mono_mb_emit_byte (mb, CEE_CALLI);
582 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
586 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
588 /* fixme: we need a better way to throw exception,
589 * supporting several exception types and messages */
590 MonoMethod *ctor = NULL;
592 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
594 mono_class_init (mme);
595 for (i = 0; i < mme->method.count; ++i) {
596 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
597 ctor = mme->methods [i];
602 mono_mb_emit_byte (mb, CEE_NEWOBJ);
603 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
605 mono_mb_emit_byte (mb, CEE_DUP);
606 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
607 mono_mb_emit_ldstr (mb, msg);
608 mono_mb_emit_byte (mb, CEE_STIND_I);
610 mono_mb_emit_byte (mb, CEE_THROW);
614 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
616 mono_mb_emit_ldloc (mb, local);
617 mono_mb_emit_icon (mb, incr);
618 mono_mb_emit_byte (mb, CEE_ADD);
619 mono_mb_emit_stloc (mb, local);
623 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
624 int usize, int msize, MonoMarshalSpec *mspec)
627 case MONO_MARSHAL_CONV_BOOL_I4:
628 mono_mb_emit_byte (mb, CEE_LDLOC_1);
629 mono_mb_emit_byte (mb, CEE_LDLOC_0);
630 mono_mb_emit_byte (mb, CEE_LDIND_I4);
631 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
632 mono_mb_emit_byte (mb, 3);
633 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
634 mono_mb_emit_byte (mb, CEE_BR_S);
635 mono_mb_emit_byte (mb, 1);
636 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
637 mono_mb_emit_byte (mb, CEE_STIND_I1);
639 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
640 mono_mb_emit_byte (mb, CEE_LDLOC_1);
641 mono_mb_emit_byte (mb, CEE_LDLOC_0);
642 mono_mb_emit_byte (mb, CEE_LDIND_I2);
643 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
644 mono_mb_emit_byte (mb, 3);
645 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
646 mono_mb_emit_byte (mb, CEE_BR_S);
647 mono_mb_emit_byte (mb, 1);
648 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
649 mono_mb_emit_byte (mb, CEE_STIND_I1);
651 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
652 MonoClass *eclass = NULL;
655 if (type->type == MONO_TYPE_SZARRAY) {
656 eclass = type->data.klass;
658 g_assert_not_reached ();
661 if (eclass->valuetype)
662 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
664 esize = sizeof (gpointer);
666 /* create a new array */
667 mono_mb_emit_byte (mb, CEE_LDLOC_1);
668 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
669 mono_mb_emit_byte (mb, CEE_NEWARR);
670 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
671 mono_mb_emit_byte (mb, CEE_STIND_I);
673 /* copy the elements */
674 mono_mb_emit_byte (mb, CEE_LDLOC_1);
675 mono_mb_emit_byte (mb, CEE_LDIND_I);
676 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
677 mono_mb_emit_byte (mb, CEE_ADD);
678 mono_mb_emit_byte (mb, CEE_LDLOC_0);
679 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
680 mono_mb_emit_byte (mb, CEE_PREFIX1);
681 mono_mb_emit_byte (mb, CEE_CPBLK);
685 case MONO_MARSHAL_CONV_STR_BYVALSTR:
686 mono_mb_emit_byte (mb, CEE_LDLOC_1);
687 mono_mb_emit_byte (mb, CEE_LDLOC_0);
688 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
689 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
690 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
691 mono_mb_emit_byte (mb, CEE_STIND_I);
693 case MONO_MARSHAL_CONV_STR_LPTSTR:
694 case MONO_MARSHAL_CONV_STR_LPSTR:
695 mono_mb_emit_byte (mb, CEE_LDLOC_1);
696 mono_mb_emit_byte (mb, CEE_LDLOC_0);
697 mono_mb_emit_byte (mb, CEE_LDIND_I);
698 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
699 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
700 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
701 mono_mb_emit_byte (mb, CEE_STIND_I);
703 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
704 MonoClass *klass = mono_class_from_mono_type (type);
705 int src_var, dst_var;
707 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
708 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
710 /* *dst = new object */
711 mono_mb_emit_byte (mb, CEE_LDLOC_1);
712 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
713 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
714 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
715 mono_mb_emit_byte (mb, CEE_STIND_I);
717 /* save the old src pointer */
718 mono_mb_emit_byte (mb, CEE_LDLOC_0);
719 mono_mb_emit_stloc (mb, src_var);
720 /* save the old dst pointer */
721 mono_mb_emit_byte (mb, CEE_LDLOC_1);
722 mono_mb_emit_stloc (mb, dst_var);
724 /* dst = pointer to newly created object data */
725 mono_mb_emit_byte (mb, CEE_LDLOC_1);
726 mono_mb_emit_byte (mb, CEE_LDIND_I);
727 mono_mb_emit_icon (mb, sizeof (MonoObject));
728 mono_mb_emit_byte (mb, CEE_ADD);
729 mono_mb_emit_byte (mb, CEE_STLOC_1);
731 emit_struct_conv (mb, klass, TRUE);
733 /* restore the old src pointer */
734 mono_mb_emit_ldloc (mb, src_var);
735 mono_mb_emit_byte (mb, CEE_STLOC_0);
736 /* restore the old dst pointer */
737 mono_mb_emit_ldloc (mb, dst_var);
738 mono_mb_emit_byte (mb, CEE_STLOC_1);
741 case MONO_MARSHAL_CONV_DEL_FTN: {
742 // fixme: we never convert functions back to delegates, dont
743 // know if thats the correct behaviour
746 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
747 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
749 case MONO_MARSHAL_CONV_STR_LPWSTR:
750 case MONO_MARSHAL_CONV_STR_BSTR:
751 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
752 case MONO_MARSHAL_CONV_STR_TBSTR:
753 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
754 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
756 g_warning ("marshaling conversion %d not implemented", conv);
757 g_assert_not_reached ();
762 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
763 MonoMarshalSpec *mspec)
768 case MONO_MARSHAL_CONV_BOOL_I4:
769 mono_mb_emit_byte (mb, CEE_LDLOC_1);
770 mono_mb_emit_byte (mb, CEE_LDLOC_0);
771 mono_mb_emit_byte (mb, CEE_LDIND_U1);
772 mono_mb_emit_byte (mb, CEE_STIND_I4);
774 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
775 mono_mb_emit_byte (mb, CEE_LDLOC_1);
776 mono_mb_emit_byte (mb, CEE_LDLOC_0);
777 mono_mb_emit_byte (mb, CEE_LDIND_U1);
778 mono_mb_emit_byte (mb, CEE_NEG);
779 mono_mb_emit_byte (mb, CEE_STIND_I2);
781 case MONO_MARSHAL_CONV_STR_LPWSTR:
782 case MONO_MARSHAL_CONV_STR_LPSTR:
783 case MONO_MARSHAL_CONV_STR_LPTSTR:
784 case MONO_MARSHAL_CONV_STR_BSTR:
785 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
786 case MONO_MARSHAL_CONV_STR_TBSTR:
787 /* free space if free == true */
788 mono_mb_emit_byte (mb, CEE_LDLOC_2);
789 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
790 mono_mb_emit_byte (mb, 4);
791 mono_mb_emit_byte (mb, CEE_LDLOC_1);
792 mono_mb_emit_byte (mb, CEE_LDIND_I);
793 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
794 mono_mb_emit_byte (mb, CEE_MONO_FREE);
796 mono_mb_emit_byte (mb, CEE_LDLOC_1);
797 mono_mb_emit_byte (mb, CEE_LDLOC_0);
798 mono_mb_emit_byte (mb, CEE_LDIND_I);
799 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
800 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
801 mono_mb_emit_byte (mb, conv);
802 mono_mb_emit_byte (mb, CEE_STIND_I);
804 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
805 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
806 case MONO_MARSHAL_CONV_DEL_FTN:
807 mono_mb_emit_byte (mb, CEE_LDLOC_1);
808 mono_mb_emit_byte (mb, CEE_LDLOC_0);
809 mono_mb_emit_byte (mb, CEE_LDIND_I);
810 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
811 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
812 mono_mb_emit_byte (mb, conv);
813 mono_mb_emit_byte (mb, CEE_STIND_I);
815 case MONO_MARSHAL_CONV_STR_BYVALSTR:
816 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
820 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
821 mono_mb_emit_byte (mb, CEE_LDLOC_0);
822 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
823 mono_mb_emit_icon (mb, usize);
824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
825 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
826 mono_mb_emit_byte (mb, conv);
829 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
830 MonoClass *eclass = NULL;
833 if (type->type == MONO_TYPE_SZARRAY) {
834 eclass = type->data.klass;
836 g_assert_not_reached ();
839 if (eclass->valuetype)
840 esize = mono_class_native_size (eclass, NULL);
842 esize = sizeof (gpointer);
847 mono_mb_emit_byte (mb, CEE_LDLOC_0);
848 mono_mb_emit_byte (mb, CEE_LDIND_I);
849 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
851 mono_mb_emit_byte (mb, 0);
853 mono_mb_emit_byte (mb, CEE_LDLOC_1);
854 mono_mb_emit_byte (mb, CEE_LDLOC_0);
855 mono_mb_emit_byte (mb, CEE_LDIND_I);
856 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
857 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
858 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
859 mono_mb_emit_byte (mb, CEE_ADD);
860 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
861 mono_mb_emit_byte (mb, CEE_PREFIX1);
862 mono_mb_emit_byte (mb, CEE_CPBLK);
863 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
866 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
867 int src_var, dst_var;
869 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
870 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
872 mono_mb_emit_byte (mb, CEE_LDLOC_0);
873 mono_mb_emit_byte (mb, CEE_LDIND_I);
874 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
876 mono_mb_emit_byte (mb, 0);
878 /* save the old src pointer */
879 mono_mb_emit_byte (mb, CEE_LDLOC_0);
880 mono_mb_emit_stloc (mb, src_var);
881 /* save the old dst pointer */
882 mono_mb_emit_byte (mb, CEE_LDLOC_1);
883 mono_mb_emit_stloc (mb, dst_var);
885 /* src = pointer to object data */
886 mono_mb_emit_byte (mb, CEE_LDLOC_0);
887 mono_mb_emit_byte (mb, CEE_LDIND_I);
888 mono_mb_emit_icon (mb, sizeof (MonoObject));
889 mono_mb_emit_byte (mb, CEE_ADD);
890 mono_mb_emit_byte (mb, CEE_STLOC_0);
892 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
894 /* restore the old src pointer */
895 mono_mb_emit_ldloc (mb, src_var);
896 mono_mb_emit_byte (mb, CEE_STLOC_0);
897 /* restore the old dst pointer */
898 mono_mb_emit_ldloc (mb, dst_var);
899 mono_mb_emit_byte (mb, CEE_STLOC_1);
901 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
905 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
906 MonoException *exc = mono_get_exception_not_implemented (msg);
909 mono_raise_exception (exc);
915 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
917 MonoMarshalType *info;
921 emit_struct_conv(mb, klass->parent, to_object);
923 info = mono_marshal_load_type_info (klass);
925 if (info->native_size == 0)
928 if (klass->blittable) {
929 mono_mb_emit_byte (mb, CEE_LDLOC_1);
930 mono_mb_emit_byte (mb, CEE_LDLOC_0);
931 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
932 mono_mb_emit_byte (mb, CEE_PREFIX1);
933 mono_mb_emit_byte (mb, CEE_CPBLK);
937 for (i = 0; i < info->num_fields; i++) {
938 MonoMarshalNative ntype;
939 MonoMarshalConv conv;
940 MonoType *ftype = info->fields [i].field->type;
943 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
945 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
948 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
951 msize = klass->instance_size - info->fields [i].field->offset;
952 usize = info->native_size - info->fields [i].offset;
954 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
955 usize = info->fields [i + 1].offset - info->fields [i].offset;
957 g_assert ((msize >= 0) && (usize >= 0));
960 case MONO_MARSHAL_CONV_NONE: {
963 if (ftype->byref || ftype->type == MONO_TYPE_I ||
964 ftype->type == MONO_TYPE_U) {
965 mono_mb_emit_byte (mb, CEE_LDLOC_1);
966 mono_mb_emit_byte (mb, CEE_LDLOC_0);
967 mono_mb_emit_byte (mb, CEE_LDIND_I);
968 mono_mb_emit_byte (mb, CEE_STIND_I);
977 #if SIZEOF_VOID_P == 4
980 mono_mb_emit_byte (mb, CEE_LDLOC_1);
981 mono_mb_emit_byte (mb, CEE_LDLOC_0);
982 mono_mb_emit_byte (mb, CEE_LDIND_I4);
983 mono_mb_emit_byte (mb, CEE_STIND_I4);
987 case MONO_TYPE_BOOLEAN:
988 mono_mb_emit_byte (mb, CEE_LDLOC_1);
989 mono_mb_emit_byte (mb, CEE_LDLOC_0);
990 mono_mb_emit_byte (mb, CEE_LDIND_I1);
991 mono_mb_emit_byte (mb, CEE_STIND_I1);
996 mono_mb_emit_byte (mb, CEE_LDLOC_1);
997 mono_mb_emit_byte (mb, CEE_LDLOC_0);
998 mono_mb_emit_byte (mb, CEE_LDIND_I2);
999 mono_mb_emit_byte (mb, CEE_STIND_I2);
1003 #if SIZEOF_VOID_P == 8
1006 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1007 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1008 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1009 mono_mb_emit_byte (mb, CEE_STIND_I8);
1012 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1013 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1014 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1015 mono_mb_emit_byte (mb, CEE_STIND_R4);
1018 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1019 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1020 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1021 mono_mb_emit_byte (mb, CEE_STIND_R8);
1023 case MONO_TYPE_VALUETYPE:
1024 if (ftype->data.klass->enumtype) {
1025 t = ftype->data.klass->enum_basetype->type;
1028 emit_struct_conv (mb, ftype->data.klass, to_object);
1031 g_warning ("marshaling type %02x not implemented", ftype->type);
1032 g_assert_not_reached ();
1038 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1040 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1044 mono_mb_emit_add_to_local (mb, 0, usize);
1045 mono_mb_emit_add_to_local (mb, 1, msize);
1047 mono_mb_emit_add_to_local (mb, 0, msize);
1048 mono_mb_emit_add_to_local (mb, 1, usize);
1053 static MonoAsyncResult *
1054 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1056 MonoMethodMessage *msg;
1057 MonoDelegate *async_callback;
1061 MonoMethod *method = NULL;
1064 g_assert (delegate);
1066 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1068 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1069 if (!tp->klass->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1071 // If the target is a proxy, make a direct call. Is proxy's work
1072 // to make the call asynchronous.
1074 MonoAsyncResult *ares;
1076 MonoArray *out_args;
1078 method = delegate->method_info->method;
1080 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1081 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1082 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1083 ares->async_delegate = (MonoObject *)delegate;
1084 ares->async_callback = (MonoObject *)async_callback;
1085 msg->async_result = ares;
1086 msg->call_type = CallType_BeginInvoke;
1088 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1093 klass = delegate->object.vtable->klass;
1095 method = mono_get_delegate_invoke (klass);
1096 for (i = 0; i < klass->method.count; ++i) {
1097 if (klass->methods [i]->name[0] == 'B' &&
1098 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1099 method = klass->methods [i];
1104 g_assert (method != NULL);
1106 im = mono_get_delegate_invoke (method->klass);
1107 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1109 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1113 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1115 int i, params_var, tmp_var;
1117 /* allocate local (pointer) *params[] */
1118 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1119 /* allocate local (pointer) tmp */
1120 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1122 /* alloate space on stack to store an array of pointers to the arguments */
1123 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1124 mono_mb_emit_byte (mb, CEE_PREFIX1);
1125 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1126 mono_mb_emit_stloc (mb, params_var);
1129 mono_mb_emit_ldloc (mb, params_var);
1130 mono_mb_emit_stloc (mb, tmp_var);
1132 if (save_this && sig->hasthis) {
1133 mono_mb_emit_ldloc (mb, tmp_var);
1134 mono_mb_emit_ldarg_addr (mb, 0);
1135 mono_mb_emit_byte (mb, CEE_STIND_I);
1136 /* tmp = tmp + sizeof (gpointer) */
1137 if (sig->param_count)
1138 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1142 for (i = 0; i < sig->param_count; i++) {
1143 mono_mb_emit_ldloc (mb, tmp_var);
1144 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1145 mono_mb_emit_byte (mb, CEE_STIND_I);
1146 /* tmp = tmp + sizeof (gpointer) */
1147 if (i < (sig->param_count - 1))
1148 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1155 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1159 GString *res = g_string_new ("");
1162 g_string_append (res, prefix);
1163 g_string_append_c (res, '_');
1166 mono_type_get_desc (res, sig->ret, FALSE);
1168 for (i = 0; i < sig->param_count; ++i) {
1169 g_string_append_c (res, '_');
1170 mono_type_get_desc (res, sig->params [i], FALSE);
1173 g_string_free (res, FALSE);
1177 static inline MonoMethod*
1178 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1182 EnterCriticalSection (&marshal_mutex);
1183 res = g_hash_table_lookup (cache, key);
1184 LeaveCriticalSection (&marshal_mutex);
1188 /* Create the method from the builder and place it in the cache */
1189 static inline MonoMethod*
1190 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1191 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1196 EnterCriticalSection (&marshal_mutex);
1197 res = g_hash_table_lookup (cache, key);
1199 /* This does not acquire any locks */
1200 res = mono_mb_create_method (mb, sig, max_stack);
1201 g_hash_table_insert (cache, key, res);
1202 mono_g_hash_table_insert (wrapper_hash, res, key);
1205 /* Somebody created it before us */
1207 LeaveCriticalSection (&marshal_mutex);
1213 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1217 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1220 EnterCriticalSection (&marshal_mutex);
1221 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1222 LeaveCriticalSection (&marshal_mutex);
1224 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1225 /* See mono_marshal_get_remoting_invoke_with_check */
1226 return (MonoMethod*)((char*)res - 1);
1232 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1234 MonoMethodSignature *sig;
1235 static MonoMethodSignature *csig = NULL;
1236 MonoMethodBuilder *mb;
1242 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1243 !strcmp (method->name, "BeginInvoke"));
1245 sig = method->signature;
1247 cache = method->klass->image->delegate_begin_invoke_cache;
1248 if ((res = mono_marshal_find_in_cache (cache, sig)))
1251 g_assert (sig->hasthis);
1254 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1255 csig = g_malloc0 (sigsize);
1257 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1258 csig->param_count = 2;
1259 csig->ret = &mono_defaults.object_class->byval_arg;
1260 csig->params [0] = &mono_defaults.object_class->byval_arg;
1261 csig->params [1] = &mono_defaults.int_class->byval_arg;
1264 name = mono_signature_to_name (sig, "begin_invoke");
1265 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1268 mb->method->save_lmf = 1;
1270 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1272 mono_mb_emit_ldarg (mb, 0);
1273 mono_mb_emit_ldloc (mb, params_var);
1274 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1275 mono_mb_emit_byte (mb, CEE_RET);
1277 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1283 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1285 MonoDomain *domain = mono_domain_get ();
1286 MonoAsyncResult *ares;
1287 MonoMethod *method = NULL;
1288 MonoMethodSignature *sig;
1289 MonoMethodMessage *msg;
1290 MonoObject *res, *exc;
1291 MonoArray *out_args;
1295 g_assert (delegate);
1297 if (!delegate->method_info || !delegate->method_info->method)
1298 g_assert_not_reached ();
1300 klass = delegate->object.vtable->klass;
1302 for (i = 0; i < klass->method.count; ++i) {
1303 if (klass->methods [i]->name[0] == 'E' &&
1304 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1305 method = klass->methods [i];
1310 g_assert (method != NULL);
1312 sig = method->signature;
1314 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1316 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1319 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1320 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1321 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1322 mono_message_init (domain, msg, delegate->method_info, NULL);
1323 msg->call_type = CallType_EndInvoke;
1324 msg->async_result = ares;
1325 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1328 res = mono_thread_pool_finish (ares, &out_args, &exc);
1331 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1333 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1335 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1337 mono_raise_exception ((MonoException*)exc);
1340 mono_method_return_message_restore (method, params, out_args);
1345 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1347 if (return_type->byref)
1348 return_type = &mono_defaults.int_class->byval_arg;
1349 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1350 return_type = return_type->data.klass->enum_basetype;
1352 switch (return_type->type) {
1353 case MONO_TYPE_VOID:
1354 g_assert_not_reached ();
1357 case MONO_TYPE_STRING:
1358 case MONO_TYPE_CLASS:
1359 case MONO_TYPE_OBJECT:
1360 case MONO_TYPE_ARRAY:
1361 case MONO_TYPE_SZARRAY:
1365 case MONO_TYPE_BOOLEAN:
1366 mono_mb_emit_byte (mb, CEE_UNBOX);
1367 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1368 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1371 mono_mb_emit_byte (mb, CEE_UNBOX);
1372 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1373 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1376 case MONO_TYPE_CHAR:
1377 mono_mb_emit_byte (mb, CEE_UNBOX);
1378 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1379 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1382 mono_mb_emit_byte (mb, CEE_UNBOX);
1383 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1384 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1388 mono_mb_emit_byte (mb, CEE_UNBOX);
1389 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1390 mono_mb_emit_byte (mb, CEE_LDIND_I);
1393 mono_mb_emit_byte (mb, CEE_UNBOX);
1394 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1395 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1398 mono_mb_emit_byte (mb, CEE_UNBOX);
1399 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1400 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1404 mono_mb_emit_byte (mb, CEE_UNBOX);
1405 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1406 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1409 mono_mb_emit_byte (mb, CEE_UNBOX);
1410 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1411 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1414 mono_mb_emit_byte (mb, CEE_UNBOX);
1415 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1416 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1418 case MONO_TYPE_VALUETYPE: {
1420 mono_mb_emit_byte (mb, CEE_UNBOX);
1421 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1422 mono_mb_emit_i4 (mb, class);
1423 mono_mb_emit_byte (mb, CEE_LDOBJ);
1424 mono_mb_emit_i4 (mb, class);
1428 g_warning ("type 0x%x not handled", return_type->type);
1429 g_assert_not_reached ();
1432 mono_mb_emit_byte (mb, CEE_RET);
1436 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1438 MonoMethodSignature *sig;
1439 static MonoMethodSignature *csig = NULL;
1440 MonoMethodBuilder *mb;
1446 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1447 !strcmp (method->name, "EndInvoke"));
1449 sig = method->signature;
1451 cache = method->klass->image->delegate_end_invoke_cache;
1452 if ((res = mono_marshal_find_in_cache (cache, sig)))
1455 g_assert (sig->hasthis);
1458 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1459 csig = g_malloc0 (sigsize);
1461 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1462 csig->param_count = 2;
1463 csig->ret = &mono_defaults.object_class->byval_arg;
1464 csig->params [0] = &mono_defaults.object_class->byval_arg;
1465 csig->params [1] = &mono_defaults.int_class->byval_arg;
1468 name = mono_signature_to_name (sig, "end_invoke");
1469 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1472 mb->method->save_lmf = 1;
1474 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1476 mono_mb_emit_ldarg (mb, 0);
1477 mono_mb_emit_ldloc (mb, params_var);
1478 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1480 if (sig->ret->type == MONO_TYPE_VOID) {
1481 mono_mb_emit_byte (mb, CEE_POP);
1482 mono_mb_emit_byte (mb, CEE_RET);
1484 mono_mb_emit_restore_result (mb, sig->ret);
1486 res = mono_mb_create_and_cache (cache, sig,
1487 mb, sig, sig->param_count + 16);
1494 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1496 MonoMethodMessage *msg;
1497 MonoTransparentProxy *this;
1498 MonoObject *res, *exc;
1499 MonoArray *out_args;
1501 this = *((MonoTransparentProxy **)params [0]);
1504 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1506 /* skip the this pointer */
1509 if (this->klass->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1512 MonoMethodSignature *sig = method->signature;
1513 int count = sig->param_count;
1514 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1516 for (i=0; i<count; i++) {
1517 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1518 if (class->valuetype) {
1519 if (sig->params [i]->byref)
1520 mparams[i] = *((gpointer *)params [i]);
1522 mparams[i] = params [i];
1524 mparams[i] = *((gpointer**)params [i]);
1528 return mono_runtime_invoke (method, this, mparams, NULL);
1531 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1533 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1536 mono_raise_exception ((MonoException *)exc);
1538 mono_method_return_message_restore (method, params, out_args);
1544 mono_marshal_get_remoting_invoke (MonoMethod *method)
1546 MonoMethodSignature *sig;
1547 static MonoMethodSignature *csig = NULL;
1548 MonoMethodBuilder *mb;
1555 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1558 sig = method->signature;
1560 /* we cant remote methods without this pointer */
1564 cache = method->klass->image->remoting_invoke_cache;
1565 if ((res = mono_marshal_find_in_cache (cache, method)))
1569 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1570 csig->params [0] = &mono_defaults.int_class->byval_arg;
1571 csig->params [1] = &mono_defaults.int_class->byval_arg;
1572 csig->ret = &mono_defaults.object_class->byval_arg;
1576 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1577 mb->method->save_lmf = 1;
1579 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1581 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1582 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1583 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1584 mono_mb_emit_ldloc (mb, params_var);
1585 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1587 if (sig->ret->type == MONO_TYPE_VOID) {
1588 mono_mb_emit_byte (mb, CEE_POP);
1589 mono_mb_emit_byte (mb, CEE_RET);
1591 mono_mb_emit_restore_result (mb, sig->ret);
1594 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1601 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1603 MonoMethodSignature *sig;
1604 MonoMethodBuilder *mb;
1605 MonoMethod *res, *native;
1611 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1614 sig = method->signature;
1616 /* we cant remote methods without this pointer */
1617 g_assert (sig->hasthis);
1619 cache = method->klass->image->remoting_invoke_cache;
1620 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1623 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1625 mono_mb_emit_ldarg (mb, 0);
1626 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1628 native = mono_marshal_get_remoting_invoke (method);
1630 for (i = 0; i <= sig->param_count; i++)
1631 mono_mb_emit_ldarg (mb, i);
1633 mono_mb_emit_managed_call (mb, native, native->signature);
1634 mono_mb_emit_byte (mb, CEE_RET);
1636 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1638 for (i = 0; i <= sig->param_count; i++)
1639 mono_mb_emit_ldarg (mb, i);
1641 mono_mb_emit_managed_call (mb, method, method->signature);
1642 mono_mb_emit_byte (mb, CEE_RET);
1644 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1645 mb, sig, sig->param_count + 16);
1652 * the returned method invokes all methods in a multicast delegate
1655 mono_marshal_get_delegate_invoke (MonoMethod *method)
1657 MonoMethodSignature *sig, *static_sig;
1659 MonoMethodBuilder *mb;
1665 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1666 !strcmp (method->name, "Invoke"));
1668 sig = method->signature;
1670 cache = method->klass->image->delegate_invoke_cache;
1671 if ((res = mono_marshal_find_in_cache (cache, sig)))
1674 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1675 static_sig = g_memdup (sig, sigsize);
1676 static_sig->hasthis = 0;
1678 name = mono_signature_to_name (sig, "invoke");
1679 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1682 /* allocate local 0 (object) */
1683 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1685 g_assert (sig->hasthis);
1689 * prev.Invoke( args .. );
1690 * return this.<target>( args .. );
1693 /* get this->prev */
1694 mono_mb_emit_ldarg (mb, 0);
1695 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1696 mono_mb_emit_byte (mb, CEE_LDIND_I );
1697 mono_mb_emit_stloc (mb, 0);
1699 /* if prev != null */
1700 mono_mb_emit_ldloc (mb, 0);
1701 mono_mb_emit_byte (mb, CEE_BRFALSE);
1704 mono_mb_emit_i4 (mb, 0);
1707 mono_mb_emit_ldloc (mb, 0);
1708 for (i = 0; i < sig->param_count; i++)
1709 mono_mb_emit_ldarg (mb, i + 1);
1710 mono_mb_emit_managed_call (mb, method, method->signature);
1711 if (sig->ret->type != MONO_TYPE_VOID)
1712 mono_mb_emit_byte (mb, CEE_POP);
1714 /* continued or prev == null */
1715 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1717 /* get this->target */
1718 mono_mb_emit_ldarg (mb, 0);
1719 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1720 mono_mb_emit_byte (mb, CEE_LDIND_I );
1721 mono_mb_emit_stloc (mb, 0);
1723 /* if target != null */
1724 mono_mb_emit_ldloc (mb, 0);
1725 mono_mb_emit_byte (mb, CEE_BRFALSE);
1727 mono_mb_emit_i4 (mb, 0);
1729 /* then call this->method_ptr nonstatic */
1730 mono_mb_emit_ldloc (mb, 0);
1731 for (i = 0; i < sig->param_count; ++i)
1732 mono_mb_emit_ldarg (mb, i + 1);
1733 mono_mb_emit_ldarg (mb, 0);
1734 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1735 mono_mb_emit_byte (mb, CEE_LDIND_I );
1736 mono_mb_emit_byte (mb, CEE_CALLI);
1737 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1739 mono_mb_emit_byte (mb, CEE_BR);
1741 mono_mb_emit_i4 (mb, 0);
1743 /* else [target == null] call this->method_ptr static */
1744 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1746 for (i = 0; i < sig->param_count; ++i)
1747 mono_mb_emit_ldarg (mb, i + 1);
1748 mono_mb_emit_ldarg (mb, 0);
1749 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1750 mono_mb_emit_byte (mb, CEE_LDIND_I );
1751 mono_mb_emit_byte (mb, CEE_CALLI);
1752 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1755 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1756 mono_mb_emit_byte (mb, CEE_RET);
1758 res = mono_mb_create_and_cache (cache, sig,
1759 mb, sig, sig->param_count + 16);
1766 * generates IL code for the runtime invoke function
1767 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1769 * we also catch exceptions if exc != null
1772 mono_marshal_get_runtime_invoke (MonoMethod *method)
1774 MonoMethodSignature *sig, *csig;
1775 MonoExceptionClause *clause;
1776 MonoMethodHeader *header;
1777 MonoMethodBuilder *mb;
1780 static MonoString *string_dummy = NULL;
1781 int i, pos, sigsize;
1785 cache = method->klass->image->runtime_invoke_cache;
1786 if ((res = mono_marshal_find_in_cache (cache, method)))
1789 /* to make it work with our special string constructors */
1791 string_dummy = mono_string_new_wrapper ("dummy");
1793 sig = method->signature;
1795 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1796 csig = g_malloc0 (sigsize);
1798 csig->param_count = 3;
1799 csig->ret = &mono_defaults.object_class->byval_arg;
1800 csig->params [0] = &mono_defaults.object_class->byval_arg;
1801 csig->params [1] = &mono_defaults.int_class->byval_arg;
1802 csig->params [2] = &mono_defaults.int_class->byval_arg;
1804 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1806 /* allocate local 0 (object) tmp */
1807 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1808 /* allocate local 1 (object) exc */
1809 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1811 /* cond set *exc to null */
1812 mono_mb_emit_byte (mb, CEE_LDARG_2);
1813 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1814 mono_mb_emit_byte (mb, 3);
1815 mono_mb_emit_byte (mb, CEE_LDARG_2);
1816 mono_mb_emit_byte (mb, CEE_LDNULL);
1817 mono_mb_emit_byte (mb, CEE_STIND_I);
1820 if (method->string_ctor) {
1821 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1822 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1823 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1825 mono_mb_emit_ldarg (mb, 0);
1826 if (method->klass->valuetype) {
1827 mono_mb_emit_byte (mb, CEE_UNBOX);
1828 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1833 for (i = 0; i < sig->param_count; i++) {
1834 MonoType *t = sig->params [i];
1837 mono_mb_emit_ldarg (mb, 1);
1839 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1840 mono_mb_emit_byte (mb, CEE_ADD);
1842 mono_mb_emit_byte (mb, CEE_LDIND_I);
1847 type = sig->params [i]->type;
1851 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1853 case MONO_TYPE_BOOLEAN:
1855 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1858 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1861 case MONO_TYPE_CHAR:
1862 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1866 mono_mb_emit_byte (mb, CEE_LDIND_I);
1869 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1872 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1875 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1878 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1882 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1884 case MONO_TYPE_STRING:
1885 case MONO_TYPE_CLASS:
1886 case MONO_TYPE_ARRAY:
1888 case MONO_TYPE_SZARRAY:
1889 case MONO_TYPE_OBJECT:
1892 case MONO_TYPE_VALUETYPE:
1893 if (t->data.klass->enumtype) {
1894 type = t->data.klass->enum_basetype->type;
1897 mono_mb_emit_byte (mb, CEE_LDOBJ);
1898 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1901 g_assert_not_reached ();
1905 if (method->string_ctor) {
1906 MonoMethodSignature *strsig;
1908 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1909 strsig = g_memdup (sig, sigsize);
1910 strsig->ret = &mono_defaults.string_class->byval_arg;
1912 mono_mb_emit_managed_call (mb, method, strsig);
1914 mono_mb_emit_managed_call (mb, method, NULL);
1916 if (sig->ret->byref) {
1918 g_assert_not_reached ();
1922 switch (sig->ret->type) {
1923 case MONO_TYPE_VOID:
1924 if (!method->string_ctor)
1925 mono_mb_emit_byte (mb, CEE_LDNULL);
1927 case MONO_TYPE_BOOLEAN:
1928 case MONO_TYPE_CHAR:
1941 case MONO_TYPE_VALUETYPE:
1942 /* box value types */
1943 mono_mb_emit_byte (mb, CEE_BOX);
1944 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1946 case MONO_TYPE_STRING:
1947 case MONO_TYPE_CLASS:
1948 case MONO_TYPE_ARRAY:
1949 case MONO_TYPE_SZARRAY:
1950 case MONO_TYPE_OBJECT:
1955 g_assert_not_reached ();
1958 mono_mb_emit_stloc (mb, 0);
1960 mono_mb_emit_byte (mb, CEE_LEAVE);
1962 mono_mb_emit_i4 (mb, 0);
1964 clause = g_new0 (MonoExceptionClause, 1);
1965 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1966 clause->try_len = mb->pos;
1969 clause->token_or_filter = mb->pos;
1971 mono_mb_emit_byte (mb, CEE_POP);
1972 mono_mb_emit_byte (mb, CEE_LDARG_2);
1973 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1974 mono_mb_emit_byte (mb, CEE_PREFIX1);
1975 mono_mb_emit_byte (mb, CEE_CGT_UN);
1976 mono_mb_emit_byte (mb, CEE_PREFIX1);
1977 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1979 clause->handler_offset = mb->pos;
1982 /* store exception */
1983 mono_mb_emit_stloc (mb, 1);
1985 mono_mb_emit_byte (mb, CEE_LDARG_2);
1986 mono_mb_emit_ldloc (mb, 1);
1987 mono_mb_emit_byte (mb, CEE_STIND_I);
1989 mono_mb_emit_byte (mb, CEE_LEAVE);
1990 mono_mb_emit_i4 (mb, 0);
1992 clause->handler_len = mb->pos - clause->handler_offset;
1995 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1996 mono_mb_emit_ldloc (mb, 0);
1997 mono_mb_emit_byte (mb, CEE_RET);
1999 res = mono_mb_create_and_cache (cache, method,
2000 mb, csig, sig->param_count + 16);
2003 header = ((MonoMethodNormal *)res)->header;
2004 header->num_clauses = 1;
2005 header->clauses = clause;
2011 * generates IL code to call managed methods from unmanaged code
2014 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2016 MonoMethodSignature *sig, *csig;
2017 MonoMethodBuilder *mb;
2018 MonoClass *klass = NULL;
2021 int i, pos = 0, sigsize, *tmp_locals;
2022 static MonoMethodSignature *alloc_sig = NULL;
2025 g_assert (method != NULL);
2026 g_assert (!method->signature->pinvoke);
2028 cache = method->klass->image->managed_wrapper_cache;
2029 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2032 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2034 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2035 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2036 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2037 alloc_sig->pinvoke = 1;
2041 /* fime: howto free that memory ? */
2044 sig = method->signature;
2046 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2048 /* allocate local 0 (pointer) src_ptr */
2049 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2050 /* allocate local 1 (pointer) dst_ptr */
2051 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2052 /* allocate local 2 (boolean) delete_old */
2053 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2055 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2056 /* allocate local 3 to store the return value */
2057 mono_mb_add_local (mb, sig->ret);
2060 mono_mb_emit_byte (mb, CEE_LDNULL);
2061 mono_mb_emit_byte (mb, CEE_STLOC_2);
2063 /* we copy the signature, so that we can modify it */
2064 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2065 csig = g_memdup (sig, sigsize);
2069 #ifdef PLATFORM_WIN32
2071 * Under windows, delegates passed to native code must use the STDCALL
2072 * calling convention.
2074 csig->call_convention = MONO_CALL_STDCALL;
2077 /* fixme: howto handle this ? */
2081 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2082 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2083 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2088 g_assert_not_reached ();
2093 /* we first do all conversions */
2094 tmp_locals = alloca (sizeof (int) * sig->param_count);
2095 for (i = 0; i < sig->param_count; i ++) {
2096 MonoType *t = sig->params [i];
2097 MonoMarshalSpec *spec = mspecs [i + 1];
2101 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2104 MonoMethod *marshal_native_to_managed;
2105 MonoMethod *get_instance;
2107 /* FIXME: Call CleanUpNativeData after the call */
2109 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2110 g_assert (mtype != NULL);
2111 mklass = mono_class_from_mono_type (mtype);
2112 g_assert (mklass != NULL);
2114 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2115 g_assert (marshal_native_to_managed);
2116 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2117 g_assert (get_instance);
2120 case MONO_TYPE_CLASS:
2121 case MONO_TYPE_OBJECT:
2122 case MONO_TYPE_STRING:
2123 case MONO_TYPE_ARRAY:
2124 case MONO_TYPE_SZARRAY:
2128 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2130 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2132 mono_mb_emit_byte (mb, CEE_CALL);
2133 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2135 mono_mb_emit_ldarg (mb, i);
2137 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2138 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2140 mono_mb_emit_stloc (mb, tmp_locals [i]);
2143 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2144 g_assert_not_reached ();
2151 case MONO_TYPE_CLASS: {
2152 klass = t->data.klass;
2154 /* FIXME: Raise a MarshalDirectiveException here */
2155 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2157 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2159 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2160 mono_mb_emit_byte (mb, CEE_LDNULL);
2161 mono_mb_emit_stloc (mb, tmp_locals [i]);
2166 mono_mb_emit_ldarg (mb, i);
2170 /* Check for NULL and raise an exception */
2171 mono_mb_emit_byte (mb, CEE_BRTRUE);
2173 mono_mb_emit_i4 (mb, 0);
2175 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2177 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2178 mono_mb_emit_ldarg (mb, i);
2179 mono_mb_emit_byte (mb, CEE_LDIND_I);
2182 mono_mb_emit_byte (mb, CEE_STLOC_0);
2184 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2185 mono_mb_emit_stloc (mb, tmp_locals [i]);
2187 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2188 mono_mb_emit_byte (mb, CEE_BRFALSE);
2190 mono_mb_emit_i4 (mb, 0);
2192 /* Create and set dst */
2193 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2194 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2195 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2196 mono_mb_emit_stloc (mb, tmp_locals [i]);
2197 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2198 mono_mb_emit_icon (mb, sizeof (MonoObject));
2199 mono_mb_emit_byte (mb, CEE_ADD);
2200 mono_mb_emit_byte (mb, CEE_STLOC_1);
2202 /* emit valuetype conversion code */
2203 emit_struct_conv (mb, klass, TRUE);
2205 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2208 case MONO_TYPE_VALUETYPE:
2210 klass = sig->params [i]->data.klass;
2211 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2212 klass->blittable || klass->enumtype)
2215 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2218 mono_mb_emit_ldarg (mb, i);
2220 mono_mb_emit_ldarg_addr (mb, i);
2221 mono_mb_emit_byte (mb, CEE_STLOC_0);
2224 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2225 mono_mb_emit_byte (mb, CEE_BRFALSE);
2227 mono_mb_emit_i4 (mb, 0);
2230 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2231 mono_mb_emit_byte (mb, CEE_STLOC_1);
2233 /* emit valuetype convnversion code code */
2234 emit_struct_conv (mb, klass, TRUE);
2237 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2239 case MONO_TYPE_STRING:
2243 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2244 csig->params [i] = &mono_defaults.int_class->byval_arg;
2246 mono_mb_emit_ldarg (mb, i);
2247 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2248 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2249 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2250 mono_mb_emit_stloc (mb, tmp_locals [i]);
2252 case MONO_TYPE_ARRAY:
2253 case MONO_TYPE_SZARRAY:
2257 klass = mono_class_from_mono_type (t);
2259 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2260 csig->params [i] = &mono_defaults.int_class->byval_arg;
2262 g_warning ("array marshaling not implemented");
2263 g_assert_not_reached ();
2268 for (i = 0; i < sig->param_count; i++) {
2269 MonoType *t = sig->params [i];
2272 case MONO_TYPE_BOOLEAN:
2286 mono_mb_emit_ldarg (mb, i);
2288 case MONO_TYPE_STRING:
2290 mono_mb_emit_ldarg (mb, i);
2292 g_assert (tmp_locals [i]);
2293 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2296 case MONO_TYPE_CLASS:
2298 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2300 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2302 case MONO_TYPE_ARRAY:
2303 case MONO_TYPE_SZARRAY:
2304 case MONO_TYPE_OBJECT:
2306 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2308 mono_mb_emit_ldarg (mb, i);
2310 case MONO_TYPE_VALUETYPE:
2311 klass = sig->params [i]->data.klass;
2312 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2313 klass->blittable || klass->enumtype) {
2314 mono_mb_emit_ldarg (mb, i);
2318 g_assert (tmp_locals [i]);
2320 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2322 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2325 g_warning ("type 0x%02x unknown", t->type);
2326 g_assert_not_reached ();
2330 mono_mb_emit_managed_call (mb, method, NULL);
2332 if (!sig->ret->byref) {
2333 switch (sig->ret->type) {
2334 case MONO_TYPE_VOID:
2336 case MONO_TYPE_BOOLEAN:
2350 case MONO_TYPE_OBJECT:
2351 mono_mb_emit_byte (mb, CEE_STLOC_3);
2353 case MONO_TYPE_STRING:
2354 csig->ret = &mono_defaults.int_class->byval_arg;
2356 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2357 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2358 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2359 mono_mb_emit_byte (mb, CEE_STLOC_3);
2361 case MONO_TYPE_VALUETYPE:
2362 klass = sig->ret->data.klass;
2363 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2364 klass->blittable || klass->enumtype)
2367 /* load pointer to returned value type */
2368 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2369 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2371 /* store the address of the source into local variable 0 */
2372 mono_mb_emit_byte (mb, CEE_STLOC_0);
2373 /* allocate space for the native struct and
2374 * store the address into dst_ptr */
2375 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2376 g_assert (retobj_var);
2377 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2378 mono_mb_emit_byte (mb, CEE_CONV_I);
2379 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2380 mono_mb_emit_byte (mb, CEE_STLOC_1);
2381 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2382 mono_mb_emit_stloc (mb, retobj_var);
2384 /* emit valuetype conversion code */
2385 emit_struct_conv (mb, klass, FALSE);
2387 case MONO_TYPE_CLASS: {
2390 klass = sig->ret->data.klass;
2392 /* FIXME: Raise a MarshalDirectiveException here */
2393 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2395 mono_mb_emit_byte (mb, CEE_STLOC_0);
2396 /* Check for null */
2397 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2398 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2399 mono_mb_emit_byte (mb, CEE_LDNULL);
2400 mono_mb_emit_byte (mb, CEE_STLOC_3);
2401 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2403 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2406 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2407 mono_mb_emit_icon (mb, sizeof (MonoObject));
2408 mono_mb_emit_byte (mb, CEE_ADD);
2409 mono_mb_emit_byte (mb, CEE_STLOC_0);
2411 /* Allocate and set dest */
2412 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2413 mono_mb_emit_byte (mb, CEE_CONV_I);
2414 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2415 mono_mb_emit_byte (mb, CEE_DUP);
2416 mono_mb_emit_byte (mb, CEE_STLOC_1);
2417 mono_mb_emit_byte (mb, CEE_STLOC_3);
2419 emit_struct_conv (mb, klass, FALSE);
2421 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2425 g_warning ("return type 0x%02x unknown", sig->ret->type);
2426 g_assert_not_reached ();
2429 mono_mb_emit_byte (mb, CEE_STLOC_3);
2432 /* Convert byref arguments back */
2433 for (i = 0; i < sig->param_count; i ++) {
2434 MonoType *t = sig->params [i];
2440 case MONO_TYPE_CLASS: {
2443 klass = t->data.klass;
2445 /* Check for null */
2446 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2447 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2448 mono_mb_emit_ldarg (mb, i);
2449 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2450 mono_mb_emit_byte (mb, CEE_STIND_I);
2451 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2453 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2456 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2457 mono_mb_emit_icon (mb, sizeof (MonoObject));
2458 mono_mb_emit_byte (mb, CEE_ADD);
2459 mono_mb_emit_byte (mb, CEE_STLOC_0);
2461 /* Allocate and set dest */
2462 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2463 mono_mb_emit_byte (mb, CEE_CONV_I);
2464 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2465 mono_mb_emit_byte (mb, CEE_STLOC_1);
2467 /* Update argument pointer */
2468 mono_mb_emit_ldarg (mb, i);
2469 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2470 mono_mb_emit_byte (mb, CEE_STIND_I);
2472 /* emit valuetype conversion code */
2473 emit_struct_conv (mb, klass, FALSE);
2475 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2482 mono_mb_emit_ldloc (mb, retobj_var);
2483 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2484 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2485 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2488 if (!MONO_TYPE_IS_VOID(sig->ret))
2489 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2490 mono_mb_emit_byte (mb, CEE_RET);
2494 res = mono_mb_create_and_cache (cache, method,
2495 mb, csig, sig->param_count + 16);
2497 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2500 //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));
2506 * mono_marshal_get_ldfld_wrapper:
2507 * @type: the type of the field
2509 * This method generates a function which can be use to load a field with type
2510 * @type from an object. The generated function has the following signature:
2511 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2514 mono_marshal_get_ldfld_wrapper (MonoType *type)
2516 MonoMethodSignature *sig, *csig;
2517 MonoMethodBuilder *mb;
2520 static GHashTable *ldfld_hash = NULL;
2522 int t, pos0, pos1 = 0;
2527 if (type->type == MONO_TYPE_SZARRAY) {
2528 klass = mono_defaults.array_class;
2529 } else if (type->type == MONO_TYPE_VALUETYPE) {
2530 klass = type->data.klass;
2531 if (klass->enumtype) {
2532 t = klass->enum_basetype->type;
2533 klass = mono_class_from_mono_type (klass->enum_basetype);
2535 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2536 t == MONO_TYPE_CLASS) {
2537 klass = mono_defaults.object_class;
2538 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2539 klass = mono_defaults.int_class;
2541 klass = mono_class_from_mono_type (type);
2544 klass = mono_defaults.int_class;
2547 EnterCriticalSection (&marshal_mutex);
2549 ldfld_hash = g_hash_table_new (NULL, NULL);
2550 res = g_hash_table_lookup (ldfld_hash, klass);
2551 LeaveCriticalSection (&marshal_mutex);
2555 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2556 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2559 mb->method->save_lmf = 1;
2561 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2562 sig->params [0] = &mono_defaults.object_class->byval_arg;
2563 sig->params [1] = &mono_defaults.int_class->byval_arg;
2564 sig->params [2] = &mono_defaults.int_class->byval_arg;
2565 sig->params [3] = &mono_defaults.int_class->byval_arg;
2566 sig->ret = &klass->byval_arg;
2568 mono_mb_emit_ldarg (mb, 0);
2569 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2571 mono_mb_emit_ldarg (mb, 0);
2572 mono_mb_emit_ldarg (mb, 1);
2573 mono_mb_emit_ldarg (mb, 2);
2575 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2576 csig->params [0] = &mono_defaults.object_class->byval_arg;
2577 csig->params [1] = &mono_defaults.int_class->byval_arg;
2578 csig->params [2] = &mono_defaults.int_class->byval_arg;
2579 csig->ret = &klass->this_arg;
2582 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2584 if (klass->valuetype) {
2585 mono_mb_emit_byte (mb, CEE_UNBOX);
2586 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2587 mono_mb_emit_byte (mb, CEE_BR);
2589 mono_mb_emit_i4 (mb, 0);
2591 mono_mb_emit_byte (mb, CEE_RET);
2595 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2597 mono_mb_emit_ldarg (mb, 0);
2598 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2599 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2600 mono_mb_emit_ldarg (mb, 3);
2601 mono_mb_emit_byte (mb, CEE_ADD);
2603 if (klass->valuetype)
2604 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2609 case MONO_TYPE_BOOLEAN:
2610 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2612 case MONO_TYPE_CHAR:
2615 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2619 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2623 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2626 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2629 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2631 case MONO_TYPE_ARRAY:
2633 case MONO_TYPE_FNPTR:
2634 case MONO_TYPE_SZARRAY:
2635 case MONO_TYPE_OBJECT:
2636 case MONO_TYPE_CLASS:
2637 case MONO_TYPE_STRING:
2640 mono_mb_emit_byte (mb, CEE_LDIND_I);
2642 case MONO_TYPE_VALUETYPE:
2643 g_assert (!klass->enumtype);
2644 mono_mb_emit_byte (mb, CEE_LDOBJ);
2645 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2648 g_warning ("type %x not implemented", type->type);
2649 g_assert_not_reached ();
2652 mono_mb_emit_byte (mb, CEE_RET);
2654 res = mono_mb_create_and_cache (ldfld_hash, klass,
2655 mb, sig, sig->param_count + 16);
2662 * mono_marshal_get_stfld_wrapper:
2663 * @type: the type of the field
2665 * This method generates a function which can be use to store a field with type
2666 * @type. The generated function has the following signature:
2667 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2670 mono_marshal_get_stfld_wrapper (MonoType *type)
2672 MonoMethodSignature *sig, *csig;
2673 MonoMethodBuilder *mb;
2676 static GHashTable *stfld_hash = NULL;
2683 if (type->type == MONO_TYPE_SZARRAY) {
2684 klass = mono_defaults.array_class;
2685 } else if (type->type == MONO_TYPE_VALUETYPE) {
2686 klass = type->data.klass;
2687 if (klass->enumtype) {
2688 t = klass->enum_basetype->type;
2689 klass = mono_class_from_mono_type (klass->enum_basetype);
2691 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2692 t == MONO_TYPE_CLASS) {
2693 klass = mono_defaults.object_class;
2694 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2695 klass = mono_defaults.int_class;
2697 klass = mono_class_from_mono_type (type);
2700 klass = mono_defaults.int_class;
2703 EnterCriticalSection (&marshal_mutex);
2705 stfld_hash = g_hash_table_new (NULL, NULL);
2706 res = g_hash_table_lookup (stfld_hash, klass);
2707 LeaveCriticalSection (&marshal_mutex);
2711 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2712 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2715 mb->method->save_lmf = 1;
2717 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2718 sig->params [0] = &mono_defaults.object_class->byval_arg;
2719 sig->params [1] = &mono_defaults.int_class->byval_arg;
2720 sig->params [2] = &mono_defaults.int_class->byval_arg;
2721 sig->params [3] = &mono_defaults.int_class->byval_arg;
2722 sig->params [4] = &klass->byval_arg;
2723 sig->ret = &mono_defaults.void_class->byval_arg;
2725 mono_mb_emit_ldarg (mb, 0);
2726 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2728 mono_mb_emit_ldarg (mb, 0);
2729 mono_mb_emit_ldarg (mb, 1);
2730 mono_mb_emit_ldarg (mb, 2);
2731 mono_mb_emit_ldarg (mb, 4);
2733 if (klass->valuetype) {
2734 mono_mb_emit_byte (mb, CEE_BOX);
2735 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2738 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2739 csig->params [0] = &mono_defaults.object_class->byval_arg;
2740 csig->params [1] = &mono_defaults.int_class->byval_arg;
2741 csig->params [2] = &mono_defaults.int_class->byval_arg;
2742 csig->params [3] = &klass->this_arg;
2743 csig->ret = &mono_defaults.void_class->byval_arg;
2746 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2748 mono_mb_emit_byte (mb, CEE_RET);
2750 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2752 mono_mb_emit_ldarg (mb, 0);
2753 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2754 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2755 mono_mb_emit_ldarg (mb, 3);
2756 mono_mb_emit_byte (mb, CEE_ADD);
2757 mono_mb_emit_ldarg (mb, 4);
2762 case MONO_TYPE_BOOLEAN:
2763 mono_mb_emit_byte (mb, CEE_STIND_I1);
2765 case MONO_TYPE_CHAR:
2768 mono_mb_emit_byte (mb, CEE_STIND_I2);
2772 mono_mb_emit_byte (mb, CEE_STIND_I4);
2776 mono_mb_emit_byte (mb, CEE_STIND_I8);
2779 mono_mb_emit_byte (mb, CEE_STIND_R4);
2782 mono_mb_emit_byte (mb, CEE_STIND_R8);
2784 case MONO_TYPE_ARRAY:
2786 case MONO_TYPE_FNPTR:
2787 case MONO_TYPE_SZARRAY:
2788 case MONO_TYPE_OBJECT:
2789 case MONO_TYPE_CLASS:
2790 case MONO_TYPE_STRING:
2793 mono_mb_emit_byte (mb, CEE_STIND_I);
2795 case MONO_TYPE_VALUETYPE:
2796 g_assert (!klass->enumtype);
2797 mono_mb_emit_byte (mb, CEE_STOBJ);
2798 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2801 g_warning ("type %x not implemented", type->type);
2802 g_assert_not_reached ();
2805 mono_mb_emit_byte (mb, CEE_RET);
2807 res = mono_mb_create_and_cache (stfld_hash, klass,
2808 mb, sig, sig->param_count + 16);
2815 * generates IL code for the icall wrapper (the generated method
2816 * calls the unmanaged code in func)
2819 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2821 MonoMethodSignature *csig;
2822 MonoMethodBuilder *mb;
2826 g_assert (sig->pinvoke);
2828 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2830 mb->method->save_lmf = 1;
2832 /* we copy the signature, so that we can modify it */
2833 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2836 mono_mb_emit_byte (mb, CEE_LDARG_0);
2838 for (i = 0; i < sig->param_count; i++)
2839 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2841 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2843 mono_mb_emit_byte (mb, CEE_RET);
2845 csig = g_memdup (sig, sigsize);
2848 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2855 * mono_marshal_get_native_wrapper:
2856 * @method: The MonoMethod to wrap.
2858 * generates IL code for the pinvoke wrapper (the generated method
2859 * calls the unmanaged code in method->addr)
2862 mono_marshal_get_native_wrapper (MonoMethod *method)
2864 MonoMethodSignature *sig, *csig;
2865 MonoMethodPInvoke *piinfo;
2866 MonoMethodBuilder *mb;
2867 MonoMarshalSpec **mspecs;
2871 gboolean pinvoke = FALSE;
2872 int i, pos, argnum, *tmp_locals;
2874 const char *exc_class = "MissingMethodException";
2875 const char *exc_arg = NULL;
2877 g_assert (method != NULL);
2878 g_assert (method->signature->pinvoke);
2880 cache = method->klass->image->native_wrapper_cache;
2881 if ((res = mono_marshal_find_in_cache (cache, method)))
2884 sig = method->signature;
2885 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2887 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2888 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2891 if (!method->addr) {
2893 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
2895 method->addr = mono_lookup_internal_call (method);
2898 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2900 mb->method->save_lmf = 1;
2902 piinfo = (MonoMethodPInvoke *)method;
2904 if (!method->addr) {
2905 mono_mb_emit_exception (mb, exc_class, exc_arg);
2906 csig = g_memdup (sig, sigsize);
2908 res = mono_mb_create_and_cache (cache, method,
2909 mb, csig, csig->param_count + 16);
2914 /* internal calls: we simply push all arguments and call the method (no conversions) */
2915 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2917 /* hack - string constructors returns a value */
2918 if (method->string_ctor) {
2919 csig = g_memdup (sig, sigsize);
2920 csig->ret = &mono_defaults.string_class->byval_arg;
2925 mono_mb_emit_byte (mb, CEE_LDARG_0);
2927 for (i = 0; i < sig->param_count; i++)
2928 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2930 g_assert (method->addr);
2931 mono_mb_emit_native_call (mb, csig, method->addr);
2933 mono_mb_emit_byte (mb, CEE_RET);
2935 csig = g_memdup (csig, sigsize);
2937 res = mono_mb_create_and_cache (cache, method,
2938 mb, csig, csig->param_count + 16);
2945 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2946 mono_method_get_marshal_info (method, mspecs);
2948 /* pinvoke: we need to convert the arguments if necessary */
2950 /* we copy the signature, so that we can set pinvoke to 0 */
2951 csig = g_memdup (sig, sigsize);
2954 /* we allocate local for use with emit_struct_conv() */
2955 /* allocate local 0 (pointer) src_ptr */
2956 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2957 /* allocate local 1 (pointer) dst_ptr */
2958 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2959 /* allocate local 2 (boolean) delete_old */
2960 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2962 /* delete_old = FALSE */
2963 mono_mb_emit_icon (mb, 0);
2964 mono_mb_emit_byte (mb, CEE_STLOC_2);
2966 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2967 /* allocate local 3 to store the return value */
2968 mono_mb_add_local (mb, sig->ret);
2971 /* we first do all conversions */
2972 tmp_locals = alloca (sizeof (int) * sig->param_count);
2974 for (i = 0; i < sig->param_count; i ++) {
2975 MonoType *t = sig->params [i];
2976 MonoMarshalSpec *spec = mspecs [i + 1];
2978 argnum = i + sig->hasthis;
2981 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2984 MonoMethod *marshal_managed_to_native;
2985 MonoMethod *get_instance;
2987 /* FIXME: Call CleanUpNativeData after the call */
2989 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2990 g_assert (mtype != NULL);
2991 mklass = mono_class_from_mono_type (mtype);
2992 g_assert (mklass != NULL);
2994 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
2995 g_assert (marshal_managed_to_native);
2996 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2997 g_assert (get_instance);
3000 case MONO_TYPE_CLASS:
3001 case MONO_TYPE_OBJECT:
3002 case MONO_TYPE_STRING:
3003 case MONO_TYPE_ARRAY:
3004 case MONO_TYPE_SZARRAY:
3005 case MONO_TYPE_VALUETYPE:
3009 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3011 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3013 mono_mb_emit_byte (mb, CEE_CALL);
3014 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3016 mono_mb_emit_ldarg (mb, argnum);
3018 if (t->type == MONO_TYPE_VALUETYPE) {
3019 mono_mb_emit_byte (mb, CEE_BOX);
3020 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3023 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3024 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3026 mono_mb_emit_stloc (mb, tmp_locals [i]);
3030 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3031 g_assert_not_reached ();
3039 case MONO_TYPE_VALUETYPE:
3040 klass = t->data.klass;
3042 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3043 klass->blittable || klass->enumtype)
3046 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3048 /* store the address of the source into local variable 0 */
3050 mono_mb_emit_ldarg (mb, argnum);
3052 mono_mb_emit_ldarg_addr (mb, argnum);
3054 mono_mb_emit_byte (mb, CEE_STLOC_0);
3056 /* allocate space for the native struct and
3057 * store the address into local variable 1 (dest) */
3058 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3059 mono_mb_emit_byte (mb, CEE_PREFIX1);
3060 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3061 mono_mb_emit_stloc (mb, tmp_locals [i]);
3064 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3065 mono_mb_emit_byte (mb, CEE_BRFALSE);
3067 mono_mb_emit_i4 (mb, 0);
3071 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3072 mono_mb_emit_byte (mb, CEE_STLOC_1);
3074 /* emit valuetype conversion code */
3075 emit_struct_conv (mb, klass, FALSE);
3078 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3080 case MONO_TYPE_STRING:
3081 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3082 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3085 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3088 mono_mb_emit_ldarg (mb, argnum);
3089 mono_mb_emit_byte (mb, CEE_LDIND_I);
3091 mono_mb_emit_ldarg (mb, argnum);
3094 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3095 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3098 switch (spec->native) {
3099 case MONO_NATIVE_LPWSTR:
3100 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3102 case MONO_NATIVE_LPSTR:
3103 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3106 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", spec->native);
3107 MonoException *exc = mono_get_exception_not_implemented (msg);
3110 mono_raise_exception (exc);
3114 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3115 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3116 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3118 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3119 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3121 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3122 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3125 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3130 mono_mb_emit_stloc (mb, tmp_locals [i]);
3132 case MONO_TYPE_CLASS:
3133 case MONO_TYPE_OBJECT:
3134 klass = t->data.klass;
3136 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3137 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3139 if (klass->delegate) {
3140 g_assert (!t->byref);
3141 mono_mb_emit_ldarg (mb, argnum);
3142 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3143 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3144 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3145 mono_mb_emit_stloc (mb, tmp_locals [i]);
3146 } else if (klass == mono_defaults.stringbuilder_class) {
3147 g_assert (!t->byref);
3148 mono_mb_emit_ldarg (mb, argnum);
3149 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3150 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3153 switch (spec->native) {
3154 case MONO_NATIVE_LPWSTR:
3155 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3157 case MONO_NATIVE_LPSTR:
3158 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3161 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", spec->native);
3162 MonoException *exc = mono_get_exception_not_implemented (msg);
3165 mono_raise_exception (exc);
3169 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3170 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3171 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3173 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3174 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3176 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3177 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3180 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3185 mono_mb_emit_stloc (mb, tmp_locals [i]);
3187 mono_mb_emit_byte (mb, CEE_LDNULL);
3188 mono_mb_emit_stloc (mb, tmp_locals [i]);
3191 /* we dont need any conversions for out parameters */
3192 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3195 mono_mb_emit_ldarg (mb, argnum);
3196 mono_mb_emit_byte (mb, CEE_LDIND_I);
3199 mono_mb_emit_ldarg (mb, argnum);
3200 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3201 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3204 /* store the address of the source into local variable 0 */
3205 mono_mb_emit_byte (mb, CEE_STLOC_0);
3206 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3207 mono_mb_emit_byte (mb, CEE_BRFALSE);
3209 mono_mb_emit_i4 (mb, 0);
3211 /* allocate space for the native struct and store the address */
3212 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3213 mono_mb_emit_byte (mb, CEE_PREFIX1);
3214 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3215 mono_mb_emit_stloc (mb, tmp_locals [i]);
3217 /* set the src_ptr */
3218 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3219 mono_mb_emit_icon (mb, sizeof (MonoObject));
3220 mono_mb_emit_byte (mb, CEE_ADD);
3221 mono_mb_emit_byte (mb, CEE_STLOC_0);
3224 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3225 mono_mb_emit_byte (mb, CEE_STLOC_1);
3227 /* emit valuetype conversion code */
3228 emit_struct_conv (mb, klass, FALSE);
3230 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3234 case MONO_TYPE_ARRAY:
3235 case MONO_TYPE_SZARRAY:
3239 klass = mono_class_from_mono_type (t);
3241 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3242 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3244 if (klass->element_class == mono_defaults.string_class) {
3245 mono_mb_emit_ldarg (mb, argnum);
3246 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3247 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3249 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3250 mono_mb_emit_stloc (mb, tmp_locals [i]);
3252 else if (klass->element_class->blittable) {
3253 mono_mb_emit_ldarg (mb, argnum);
3254 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3255 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3257 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3258 mono_mb_emit_stloc (mb, tmp_locals [i]);
3262 guint32 label1, label2, label3;
3263 int index_var, dest_ptr;
3265 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3268 mono_mb_emit_ldarg (mb, argnum);
3269 mono_mb_emit_stloc (mb, tmp_locals [i]);
3270 mono_mb_emit_ldarg (mb, argnum);
3271 mono_mb_emit_byte (mb, CEE_BRFALSE);
3273 mono_mb_emit_i4 (mb, 0);
3275 /* allocate space for the native struct and store the address */
3276 eklass = klass->element_class;
3277 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3278 mono_mb_emit_ldarg (mb, argnum);
3279 mono_mb_emit_byte (mb, CEE_LDLEN);
3280 mono_mb_emit_byte (mb, CEE_MUL);
3281 mono_mb_emit_byte (mb, CEE_PREFIX1);
3282 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3283 mono_mb_emit_stloc (mb, tmp_locals [i]);
3285 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3286 mono_mb_emit_stloc (mb, dest_ptr);
3288 /* Emit marshalling loop */
3289 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3290 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3291 mono_mb_emit_stloc (mb, index_var);
3293 mono_mb_emit_ldloc (mb, index_var);
3294 mono_mb_emit_ldarg (mb, argnum);
3295 mono_mb_emit_byte (mb, CEE_LDLEN);
3296 mono_mb_emit_byte (mb, CEE_BGE);
3298 mono_mb_emit_i4 (mb, 0);
3300 /* Emit marshalling code */
3302 /* set the src_ptr */
3303 mono_mb_emit_ldarg (mb, argnum);
3304 mono_mb_emit_ldloc (mb, index_var);
3305 mono_mb_emit_byte (mb, CEE_LDELEMA);
3306 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3307 mono_mb_emit_byte (mb, CEE_STLOC_0);
3310 mono_mb_emit_ldloc (mb, dest_ptr);
3311 mono_mb_emit_byte (mb, CEE_STLOC_1);
3313 /* emit valuetype conversion code */
3314 emit_struct_conv (mb, eklass, FALSE);
3316 mono_mb_emit_add_to_local (mb, index_var, 1);
3317 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3319 mono_mb_emit_byte (mb, CEE_BR);
3320 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3322 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3323 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3327 case MONO_TYPE_BOOLEAN: {
3328 MonoType *local_type;
3329 int variant_bool = 0;
3333 local_type = &mono_defaults.int32_class->byval_arg;
3335 switch (spec->native) {
3336 case MONO_NATIVE_I1:
3337 local_type = &mono_defaults.byte_class->byval_arg;
3339 case MONO_NATIVE_VARIANTBOOL:
3340 local_type = &mono_defaults.int16_class->byval_arg;
3344 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3348 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3349 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3350 mono_mb_emit_ldarg (mb, argnum);
3351 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3353 mono_mb_emit_byte (mb, CEE_NEG);
3354 mono_mb_emit_stloc (mb, tmp_locals [i]);
3360 /* push all arguments */
3363 mono_mb_emit_byte (mb, CEE_LDARG_0);
3365 for (i = 0; i < sig->param_count; i++) {
3366 MonoType *t = sig->params [i];
3368 argnum = i + sig->hasthis;
3371 case MONO_TYPE_BOOLEAN:
3373 g_assert (tmp_locals [i]);
3374 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3376 mono_mb_emit_ldarg (mb, argnum);
3391 mono_mb_emit_ldarg (mb, argnum);
3393 case MONO_TYPE_VALUETYPE:
3394 klass = sig->params [i]->data.klass;
3395 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3396 klass->blittable || klass->enumtype) {
3397 mono_mb_emit_ldarg (mb, argnum);
3400 g_assert (tmp_locals [i]);
3401 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3403 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3404 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3405 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3408 case MONO_TYPE_STRING:
3409 case MONO_TYPE_CLASS:
3410 case MONO_TYPE_OBJECT:
3411 g_assert (tmp_locals [i]);
3413 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3415 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3417 case MONO_TYPE_CHAR:
3418 /* fixme: dont know how to marshal that. We cant simply
3419 * convert it to a one byte UTF8 character, because an
3420 * unicode character may need more that one byte in UTF8 */
3421 mono_mb_emit_ldarg (mb, argnum);
3423 case MONO_TYPE_ARRAY:
3424 case MONO_TYPE_SZARRAY:
3426 mono_mb_emit_ldarg (mb, argnum);
3428 g_assert (tmp_locals [i]);
3429 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3432 case MONO_TYPE_TYPEDBYREF:
3433 case MONO_TYPE_FNPTR:
3435 g_warning ("type 0x%02x unknown", t->type);
3436 g_assert_not_reached ();
3440 /* call the native method */
3441 mono_mb_emit_native_call (mb, csig, method->addr);
3443 /* Set LastError if needed */
3444 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3445 MonoMethodSignature *lasterr_sig;
3447 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3448 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3449 lasterr_sig->pinvoke = 1;
3451 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3454 /* convert the result */
3455 if (!sig->ret->byref) {
3456 MonoMarshalSpec *spec = mspecs [0];
3457 type = sig->ret->type;
3459 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3462 MonoMethod *marshal_native_to_managed;
3463 MonoMethod *get_instance;
3465 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3466 g_assert (mtype != NULL);
3467 mklass = mono_class_from_mono_type (mtype);
3468 g_assert (mklass != NULL);
3470 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3471 g_assert (marshal_native_to_managed);
3472 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3473 g_assert (get_instance);
3476 case MONO_TYPE_CLASS:
3477 case MONO_TYPE_OBJECT:
3478 case MONO_TYPE_STRING:
3479 case MONO_TYPE_ARRAY:
3480 case MONO_TYPE_SZARRAY:
3481 mono_mb_emit_byte (mb, CEE_STLOC_3);
3483 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3485 mono_mb_emit_byte (mb, CEE_CALL);
3486 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3488 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3490 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3491 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3493 mono_mb_emit_byte (mb, CEE_STLOC_3);
3496 g_warning ("custom marshalling of type %x is currently not supported", type);
3497 g_assert_not_reached ();
3504 case MONO_TYPE_VOID:
3519 /* no conversions necessary */
3520 mono_mb_emit_byte (mb, CEE_STLOC_3);
3522 case MONO_TYPE_BOOLEAN:
3523 /* maybe we need to make sure that it fits within 8 bits */
3524 mono_mb_emit_byte (mb, CEE_STLOC_3);
3526 case MONO_TYPE_VALUETYPE:
3527 klass = sig->ret->data.klass;
3528 if (klass->enumtype) {
3529 type = sig->ret->data.klass->enum_basetype->type;
3533 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3535 mono_mb_emit_byte (mb, CEE_STLOC_3);
3538 /* load pointer to returned value type */
3539 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3540 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3541 /* store the address of the source into local variable 0 */
3542 mono_mb_emit_byte (mb, CEE_STLOC_0);
3544 mono_mb_emit_ldloc_addr (mb, 3);
3545 mono_mb_emit_byte (mb, CEE_STLOC_1);
3547 /* emit valuetype conversion code */
3548 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3550 case MONO_TYPE_STRING:
3551 #ifdef GTK_SHARP_FIXED
3552 mono_mb_emit_byte (mb, CEE_STLOC_0);
3553 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3556 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3557 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3559 switch (spec->native) {
3560 case MONO_NATIVE_LPWSTR:
3561 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3564 g_warning ("marshalling conversion not implemented");
3565 g_assert_not_reached ();
3568 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3570 mono_mb_emit_byte (mb, CEE_STLOC_3);
3572 #ifdef GTK_SHARP_FIXED
3573 /* free the string */
3574 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3575 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3576 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3579 case MONO_TYPE_CLASS:
3580 case MONO_TYPE_OBJECT:
3581 klass = sig->ret->data.klass;
3584 mono_mb_emit_byte (mb, CEE_STLOC_0);
3586 mono_mb_emit_byte (mb, CEE_LDNULL);
3587 mono_mb_emit_byte (mb, CEE_STLOC_3);
3590 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3591 mono_mb_emit_byte (mb, CEE_BRFALSE);
3593 mono_mb_emit_i4 (mb, 0);
3595 /* allocate result object */
3597 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3598 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3599 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3600 mono_mb_emit_byte (mb, CEE_STLOC_3);
3604 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3605 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3606 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3607 mono_mb_emit_icon (mb, sizeof (MonoObject));
3608 mono_mb_emit_byte (mb, CEE_ADD);
3609 mono_mb_emit_byte (mb, CEE_STLOC_1);
3611 /* emit conversion code */
3612 emit_struct_conv (mb, klass, TRUE);
3614 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3616 case MONO_TYPE_ARRAY:
3617 case MONO_TYPE_SZARRAY:
3618 /* fixme: we need conversions here */
3619 mono_mb_emit_byte (mb, CEE_STLOC_3);
3621 case MONO_TYPE_CHAR:
3622 /* fixme: we need conversions here */
3623 mono_mb_emit_byte (mb, CEE_STLOC_3);
3625 case MONO_TYPE_TYPEDBYREF:
3626 case MONO_TYPE_FNPTR:
3628 g_warning ("return type 0x%02x unknown", sig->ret->type);
3629 g_assert_not_reached ();
3633 mono_mb_emit_byte (mb, CEE_STLOC_3);
3636 /* we need to convert byref arguments back and free string arrays */
3637 for (i = 0; i < sig->param_count; i++) {
3638 MonoType *t = sig->params [i];
3639 MonoMarshalSpec *spec = mspecs [i + 1];
3641 argnum = i + sig->hasthis;
3644 case MONO_TYPE_STRING:
3645 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3646 mono_mb_emit_ldarg (mb, argnum);
3647 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3648 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3649 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3650 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3651 mono_mb_emit_byte (mb, CEE_STIND_I);
3653 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3654 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3655 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3658 case MONO_TYPE_CLASS:
3659 case MONO_TYPE_OBJECT:
3660 if (t->data.klass == mono_defaults.stringbuilder_class) {
3661 g_assert (!t->byref);
3662 mono_mb_emit_ldarg (mb, argnum);
3663 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3664 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3665 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3668 switch (spec->native) {
3669 case MONO_NATIVE_LPWSTR:
3670 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3672 case MONO_NATIVE_LPSTR:
3673 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3676 g_assert_not_reached ();
3679 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3680 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3681 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3683 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3684 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3686 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3687 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3690 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3695 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3696 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3697 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3701 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3704 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3705 /* allocate a new object new object */
3706 mono_mb_emit_ldarg (mb, argnum);
3707 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3708 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3709 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3710 mono_mb_emit_byte (mb, CEE_STIND_I);
3713 /* dst = *argument */
3714 mono_mb_emit_ldarg (mb, argnum);
3717 mono_mb_emit_byte (mb, CEE_LDIND_I);
3719 mono_mb_emit_byte (mb, CEE_STLOC_1);
3721 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3722 mono_mb_emit_byte (mb, CEE_BRFALSE);
3724 mono_mb_emit_i4 (mb, 0);
3726 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3727 mono_mb_emit_icon (mb, sizeof (MonoObject));
3728 mono_mb_emit_byte (mb, CEE_ADD);
3729 mono_mb_emit_byte (mb, CEE_STLOC_1);
3731 /* src = tmp_locals [i] */
3732 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3733 mono_mb_emit_byte (mb, CEE_STLOC_0);
3735 /* emit valuetype conversion code */
3736 emit_struct_conv (mb, klass, TRUE);
3738 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3740 case MONO_TYPE_VALUETYPE:
3744 klass = t->data.klass;
3745 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3746 klass->blittable || klass->enumtype)
3749 /* dst = argument */
3750 mono_mb_emit_ldarg (mb, argnum);
3751 mono_mb_emit_byte (mb, CEE_STLOC_1);
3753 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3754 mono_mb_emit_byte (mb, CEE_BRFALSE);
3756 mono_mb_emit_i4 (mb, 0);
3758 /* src = tmp_locals [i] */
3759 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3760 mono_mb_emit_byte (mb, CEE_STLOC_0);
3762 /* emit valuetype conversion code */
3763 emit_struct_conv (mb, klass, TRUE);
3765 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3767 case MONO_TYPE_SZARRAY:
3771 klass = mono_class_from_mono_type (t);
3773 if (klass->element_class == mono_defaults.string_class) {
3774 g_assert (tmp_locals [i]);
3776 mono_mb_emit_ldarg (mb, argnum);
3777 mono_mb_emit_byte (mb, CEE_BRFALSE);
3779 mono_mb_emit_i4 (mb, 0);
3781 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3782 mono_mb_emit_ldarg (mb, argnum);
3783 mono_mb_emit_byte (mb, CEE_LDLEN);
3784 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3785 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3786 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3788 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3791 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3792 /* FIXME: Optimize blittable case */
3794 guint32 label1, label2, label3;
3795 int index_var, src_ptr;
3797 eklass = klass->element_class;
3798 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3801 mono_mb_emit_ldarg (mb, argnum);
3802 mono_mb_emit_byte (mb, CEE_BRFALSE);
3804 mono_mb_emit_i4 (mb, 0);
3806 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3807 mono_mb_emit_stloc (mb, src_ptr);
3809 /* Emit marshalling loop */
3810 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3811 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3812 mono_mb_emit_stloc (mb, index_var);
3814 mono_mb_emit_ldloc (mb, index_var);
3815 mono_mb_emit_ldarg (mb, argnum);
3816 mono_mb_emit_byte (mb, CEE_LDLEN);
3817 mono_mb_emit_byte (mb, CEE_BGE);
3819 mono_mb_emit_i4 (mb, 0);
3821 /* Emit marshalling code */
3823 /* set the src_ptr */
3824 mono_mb_emit_ldloc (mb, src_ptr);
3825 mono_mb_emit_byte (mb, CEE_STLOC_0);
3828 mono_mb_emit_ldarg (mb, argnum);
3829 mono_mb_emit_ldloc (mb, index_var);
3830 mono_mb_emit_byte (mb, CEE_LDELEMA);
3831 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3832 mono_mb_emit_byte (mb, CEE_STLOC_1);
3834 /* emit valuetype conversion code */
3835 emit_struct_conv (mb, eklass, TRUE);
3837 mono_mb_emit_add_to_local (mb, index_var, 1);
3838 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
3840 mono_mb_emit_byte (mb, CEE_BR);
3841 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3843 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3844 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3847 case MONO_TYPE_BOOLEAN:
3850 mono_mb_emit_ldarg (mb, argnum);
3851 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3852 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3853 mono_mb_emit_byte (mb, CEE_NEG);
3854 mono_mb_emit_byte (mb, CEE_STIND_I1);
3858 if (!MONO_TYPE_IS_VOID(sig->ret))
3859 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3861 mono_mb_emit_byte (mb, CEE_RET);
3863 csig = g_memdup (sig, sigsize);
3865 res = mono_mb_create_and_cache (cache, method,
3866 mb, csig, csig->param_count + 16);
3869 for (i = sig->param_count; i >= 0; i--)
3870 g_free (mspecs [i]);
3873 //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));
3879 * mono_marshal_get_struct_to_ptr:
3882 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
3885 mono_marshal_get_struct_to_ptr (MonoClass *klass)
3887 MonoMethodBuilder *mb;
3888 static MonoMethod *stoptr = NULL;
3891 g_assert (klass != NULL);
3893 if (klass->str_to_ptr)
3894 return klass->str_to_ptr;
3897 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
3900 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
3902 if (klass->blittable) {
3903 mono_mb_emit_byte (mb, CEE_LDARG_1);
3904 mono_mb_emit_byte (mb, CEE_LDARG_0);
3905 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3906 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3907 mono_mb_emit_byte (mb, CEE_PREFIX1);
3908 mono_mb_emit_byte (mb, CEE_CPBLK);
3911 /* allocate local 0 (pointer) src_ptr */
3912 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3913 /* allocate local 1 (pointer) dst_ptr */
3914 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3915 /* allocate local 2 (boolean) delete_old */
3916 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3917 mono_mb_emit_byte (mb, CEE_LDARG_2);
3918 mono_mb_emit_byte (mb, CEE_STLOC_2);
3920 /* initialize src_ptr to point to the start of object data */
3921 mono_mb_emit_byte (mb, CEE_LDARG_0);
3922 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3923 mono_mb_emit_byte (mb, CEE_STLOC_0);
3925 /* initialize dst_ptr */
3926 mono_mb_emit_byte (mb, CEE_LDARG_1);
3927 mono_mb_emit_byte (mb, CEE_STLOC_1);
3929 emit_struct_conv (mb, klass, FALSE);
3932 mono_mb_emit_byte (mb, CEE_RET);
3934 res = mono_mb_create_method (mb, stoptr->signature, 0);
3937 klass->str_to_ptr = res;
3942 * mono_marshal_get_ptr_to_struct:
3945 * generates IL code for PtrToStructure (IntPtr src, object structure)
3948 mono_marshal_get_ptr_to_struct (MonoClass *klass)
3950 MonoMethodBuilder *mb;
3951 static MonoMethod *ptostr = NULL;
3954 g_assert (klass != NULL);
3956 if (klass->ptr_to_str)
3957 return klass->ptr_to_str;
3960 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
3963 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
3965 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
3966 mono_mb_emit_byte (mb, CEE_LDARG_1);
3967 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3968 mono_mb_emit_byte (mb, CEE_LDARG_0);
3969 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3970 mono_mb_emit_byte (mb, CEE_PREFIX1);
3971 mono_mb_emit_byte (mb, CEE_CPBLK);
3974 /* allocate local 0 (pointer) src_ptr */
3975 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3976 /* allocate local 1 (pointer) dst_ptr */
3977 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3979 /* initialize src_ptr to point to the start of object data */
3980 mono_mb_emit_byte (mb, CEE_LDARG_0);
3981 mono_mb_emit_byte (mb, CEE_STLOC_0);
3983 /* initialize dst_ptr */
3984 mono_mb_emit_byte (mb, CEE_LDARG_1);
3985 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3986 mono_mb_emit_byte (mb, CEE_STLOC_1);
3988 emit_struct_conv (mb, klass, TRUE);
3991 mono_mb_emit_byte (mb, CEE_RET);
3993 res = mono_mb_create_method (mb, ptostr->signature, 0);
3996 klass->ptr_to_str = res;
4000 static MonoReflectionType *
4001 type_from_handle (MonoType *handle)
4003 MonoDomain *domain = mono_domain_get ();
4004 MonoClass *klass = mono_class_from_mono_type (handle);
4006 MONO_ARCH_SAVE_REGS;
4008 mono_class_init (klass);
4009 return mono_type_get_object (domain, handle);
4013 * generates IL code for the synchronized wrapper: the generated method
4014 * calls METHOD while locking 'this' or the parent type.
4017 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4019 static MonoMethodSignature *from_handle_sig = NULL;
4020 static MonoMethod *enter_method, *exit_method;
4021 MonoMethodSignature *sig;
4022 MonoExceptionClause *clause;
4023 MonoMethodHeader *header;
4024 MonoMethodBuilder *mb;
4027 int i, pos, this_local, ret_local;
4031 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4034 cache = method->klass->image->synchronized_cache;
4035 if ((res = mono_marshal_find_in_cache (cache, method)))
4038 sig = method->signature;
4040 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4043 if (!MONO_TYPE_IS_VOID (sig->ret))
4044 ret_local = mono_mb_add_local (mb, sig->ret);
4047 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4049 clause = g_new0 (MonoExceptionClause, 1);
4050 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4052 if (!enter_method) {
4053 MonoMethodDesc *desc;
4055 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4056 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4057 g_assert (enter_method);
4058 mono_method_desc_free (desc);
4059 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4060 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4061 g_assert (exit_method);
4062 mono_method_desc_free (desc);
4065 * GetTypeFromHandle isn't called as a managed method because it has
4066 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4067 * transformed into something else by the JIT.
4069 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4070 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4071 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4074 /* Push this or the type object */
4075 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4076 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4077 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4078 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4079 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4082 mono_mb_emit_ldarg (mb, 0);
4083 mono_mb_emit_stloc (mb, this_local);
4085 /* Call Monitor::Enter() */
4086 mono_mb_emit_ldloc (mb, this_local);
4087 mono_mb_emit_managed_call (mb, enter_method, NULL);
4089 clause->try_offset = mb->pos;
4091 /* Call the method */
4093 mono_mb_emit_ldarg (mb, 0);
4094 for (i = 0; i < sig->param_count; i++)
4095 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4096 mono_mb_emit_managed_call (mb, method, method->signature);
4097 if (!MONO_TYPE_IS_VOID (sig->ret))
4098 mono_mb_emit_stloc (mb, ret_local);
4100 mono_mb_emit_byte (mb, CEE_LEAVE);
4102 mono_mb_emit_i4 (mb, 0);
4104 clause->try_len = mb->pos - clause->try_offset;
4105 clause->handler_offset = mb->pos;
4107 /* Call Monitor::Exit() */
4108 mono_mb_emit_ldloc (mb, this_local);
4109 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4110 mono_mb_emit_managed_call (mb, exit_method, NULL);
4111 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4113 clause->handler_len = mb->pos - clause->handler_offset;
4115 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4116 if (!MONO_TYPE_IS_VOID (sig->ret))
4117 mono_mb_emit_ldloc (mb, ret_local);
4118 mono_mb_emit_byte (mb, CEE_RET);
4120 res = mono_mb_create_and_cache (cache, method,
4121 mb, sig, sig->param_count + 16);
4124 header = ((MonoMethodNormal *)res)->header;
4125 header->num_clauses = 1;
4126 header->clauses = clause;
4131 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4133 mono_marshal_alloc (gpointer size)
4135 MONO_ARCH_SAVE_REGS;
4137 return g_try_malloc ((gulong)size);
4141 mono_marshal_free (gpointer ptr)
4143 MONO_ARCH_SAVE_REGS;
4149 mono_marshal_free_array (gpointer *ptr, int size)
4156 for (i = 0; i < size; i++)
4162 mono_marshal_realloc (gpointer ptr, gpointer size)
4164 MONO_ARCH_SAVE_REGS;
4166 return g_try_realloc (ptr, (gulong)size);
4170 mono_marshal_string_array (MonoArray *array)
4178 len = mono_array_length (array);
4180 result = g_malloc (sizeof (char *) * (len + 1));
4181 for (i = 0; i < len; ++i) {
4182 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4183 result [i] = s ? mono_string_to_utf8 (s): NULL;
4185 /* null terminate the array */
4192 * mono_marshal_set_last_error:
4194 * This function is invoked to set the last error value from a P/Invoke call
4195 * which has SetLastError set.
4198 mono_marshal_set_last_error (void)
4201 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4203 TlsSetValue (last_error_tls_id, (gpointer)errno);
4208 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4209 gpointer dest, gint32 length)
4214 MONO_ARCH_SAVE_REGS;
4216 MONO_CHECK_ARG_NULL (src);
4217 MONO_CHECK_ARG_NULL (dest);
4219 g_assert (src->obj.vtable->klass->rank == 1);
4220 g_assert (start_index >= 0);
4221 g_assert (length >= 0);
4222 g_assert (start_index + length <= mono_array_length (src));
4224 element_size = mono_array_element_size (src->obj.vtable->klass);
4226 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4228 memcpy (dest, source_addr, length * element_size);
4232 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4233 MonoArray *dest, gint32 length)
4238 MONO_ARCH_SAVE_REGS;
4240 MONO_CHECK_ARG_NULL (src);
4241 MONO_CHECK_ARG_NULL (dest);
4243 g_assert (dest->obj.vtable->klass->rank == 1);
4244 g_assert (start_index >= 0);
4245 g_assert (length >= 0);
4246 g_assert (start_index + length <= mono_array_length (dest));
4248 element_size = mono_array_element_size (dest->obj.vtable->klass);
4250 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4252 memcpy (dest_addr, src, length * element_size);
4255 #if NO_UNALIGNED_ACCESS
4256 #define RETURN_UNALIGNED(type, addr) \
4259 memcpy(&val, p + offset, sizeof(val)); \
4262 #define WRITE_UNALIGNED(type, addr, val) \
4263 memcpy(addr, &val, sizeof(type))
4265 #define RETURN_UNALIGNED(type, addr) \
4266 return *(type*)(p + offset);
4267 #define WRITE_UNALIGNED(type, addr, val) \
4268 (*(type *)(addr) = (val))
4272 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4276 MONO_ARCH_SAVE_REGS;
4278 RETURN_UNALIGNED(gpointer, p + offset);
4282 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4286 MONO_ARCH_SAVE_REGS;
4288 return *(unsigned char*)(p + offset);
4292 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4296 MONO_ARCH_SAVE_REGS;
4298 RETURN_UNALIGNED(gint16, p + offset);
4302 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4306 MONO_ARCH_SAVE_REGS;
4308 RETURN_UNALIGNED(gint32, p + offset);
4312 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4316 MONO_ARCH_SAVE_REGS;
4318 RETURN_UNALIGNED(gint64, p + offset);
4322 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4326 MONO_ARCH_SAVE_REGS;
4328 *(unsigned char*)(p + offset) = val;
4332 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4336 MONO_ARCH_SAVE_REGS;
4338 WRITE_UNALIGNED(gpointer, p + offset, val);
4342 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4346 MONO_ARCH_SAVE_REGS;
4348 WRITE_UNALIGNED(gint16, p + offset, val);
4352 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4356 MONO_ARCH_SAVE_REGS;
4358 WRITE_UNALIGNED(gint32, p + offset, val);
4362 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4366 MONO_ARCH_SAVE_REGS;
4368 WRITE_UNALIGNED(gint64, p + offset, val);
4372 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4374 MONO_ARCH_SAVE_REGS;
4376 return mono_string_new (mono_domain_get (), ptr);
4380 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4382 MONO_ARCH_SAVE_REGS;
4384 return mono_string_new_len (mono_domain_get (), ptr, len);
4388 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4390 MonoDomain *domain = mono_domain_get ();
4394 MONO_ARCH_SAVE_REGS;
4399 return mono_string_new_utf16 (domain, ptr, len);
4403 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4405 MonoDomain *domain = mono_domain_get ();
4407 MONO_ARCH_SAVE_REGS;
4409 return mono_string_new_utf16 (domain, ptr, len);
4413 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4415 MONO_ARCH_SAVE_REGS;
4417 g_warning ("PtrToStringBSTR not implemented");
4418 g_assert_not_reached ();
4424 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4426 MONO_ARCH_SAVE_REGS;
4428 return ((guint32)TlsGetValue (last_error_tls_id));
4432 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4436 MONO_ARCH_SAVE_REGS;
4438 MONO_CHECK_ARG_NULL (rtype);
4440 klass = mono_class_from_mono_type (rtype->type);
4442 return mono_class_native_size (klass, NULL);
4446 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4451 MONO_ARCH_SAVE_REGS;
4453 MONO_CHECK_ARG_NULL (obj);
4454 MONO_CHECK_ARG_NULL (dst);
4456 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4460 pa [2] = &delete_old;
4462 mono_runtime_invoke (method, NULL, pa, NULL);
4466 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4471 MONO_ARCH_SAVE_REGS;
4473 MONO_CHECK_ARG_NULL (src);
4474 MONO_CHECK_ARG_NULL (dst);
4476 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4481 mono_runtime_invoke (method, NULL, pa, NULL);
4485 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4487 MonoDomain *domain = mono_domain_get ();
4490 MONO_ARCH_SAVE_REGS;
4492 MONO_CHECK_ARG_NULL (src);
4493 MONO_CHECK_ARG_NULL (type);
4495 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4497 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4503 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4505 MonoMarshalType *info;
4508 int i, match_index = -1;
4510 MONO_ARCH_SAVE_REGS;
4512 MONO_CHECK_ARG_NULL (type);
4513 MONO_CHECK_ARG_NULL (field_name);
4515 fname = mono_string_to_utf8 (field_name);
4516 klass = mono_class_from_mono_type (type->type);
4518 while(klass && match_index == -1) {
4519 for (i = 0; i < klass->field.count; ++i) {
4520 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4526 if(match_index == -1)
4527 klass = klass->parent;
4532 if(match_index == -1) {
4536 /* Get back original class instance */
4537 klass = mono_class_from_mono_type (type->type);
4539 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4540 exc = mono_get_exception_argument ("fieldName", tmp);
4543 mono_raise_exception ((MonoException*)exc);
4546 info = mono_marshal_load_type_info (klass);
4547 return info->fields [match_index].offset;
4551 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4553 MONO_ARCH_SAVE_REGS;
4555 return mono_string_to_utf8 (string);
4559 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4561 MONO_ARCH_SAVE_REGS;
4563 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4567 mono_struct_delete_old (MonoClass *klass, char *ptr)
4569 MonoMarshalType *info;
4572 info = mono_marshal_load_type_info (klass);
4574 for (i = 0; i < info->num_fields; i++) {
4575 MonoMarshalNative ntype;
4576 MonoMarshalConv conv;
4577 MonoType *ftype = info->fields [i].field->type;
4580 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4583 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4584 klass->unicode, &conv);
4586 cpos = ptr + info->fields [i].offset;
4589 case MONO_MARSHAL_CONV_NONE:
4590 if (MONO_TYPE_ISSTRUCT (ftype)) {
4591 mono_struct_delete_old (ftype->data.klass, cpos);
4595 case MONO_MARSHAL_CONV_STR_LPWSTR:
4596 case MONO_MARSHAL_CONV_STR_LPSTR:
4597 case MONO_MARSHAL_CONV_STR_LPTSTR:
4598 case MONO_MARSHAL_CONV_STR_BSTR:
4599 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4600 case MONO_MARSHAL_CONV_STR_TBSTR:
4601 g_free (*(gpointer *)cpos);
4610 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4614 MONO_ARCH_SAVE_REGS;
4616 MONO_CHECK_ARG_NULL (src);
4617 MONO_CHECK_ARG_NULL (type);
4619 klass = mono_class_from_mono_type (type->type);
4621 mono_struct_delete_old (klass, (char *)src);
4625 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
4627 /* FIXME: Call AllocCoTaskMem under windows */
4628 MONO_ARCH_SAVE_REGS;
4630 return g_try_malloc ((gulong)size);
4634 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
4636 /* FIXME: Call FreeCoTaskMem under windows */
4637 MONO_ARCH_SAVE_REGS;
4643 mono_marshal_load_type_info (MonoClass* klass)
4645 int i, j, count = 0, native_size = 0;
4646 MonoMarshalType *info;
4649 g_assert (klass != NULL);
4651 if (klass->marshal_info)
4652 return klass->marshal_info;
4655 mono_class_init (klass);
4657 for (i = 0; i < klass->field.count; ++i) {
4658 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4660 if (mono_field_is_deleted (&klass->fields [i]))
4665 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
4667 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
4668 info->num_fields = count;
4670 /* Try to find a size for this type in metadata */
4671 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
4673 if (klass->parent) {
4674 int parent_size = mono_class_native_size (klass->parent, NULL);
4676 /* Add parent size to real size */
4677 native_size += parent_size;
4678 info->native_size = parent_size;
4681 for (j = i = 0; i < klass->field.count; ++i) {
4684 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4687 if (mono_field_is_deleted (&klass->fields [i]))
4689 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
4690 mono_metadata_field_info (klass->image, klass->field.first + i,
4691 NULL, NULL, &info->fields [j].mspec);
4693 info->fields [j].field = &klass->fields [i];
4695 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
4696 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
4697 /* This field is a hack inserted by MCS to empty structures */
4702 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
4703 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
4704 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
4705 &align, TRUE, klass->unicode);
4706 align = klass->packing_size ? MIN (klass->packing_size, align): align;
4707 info->fields [j].offset = info->native_size;
4708 info->fields [j].offset += align - 1;
4709 info->fields [j].offset &= ~(align - 1);
4710 info->native_size = info->fields [j].offset + size;
4712 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
4714 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
4715 info->native_size = klass->instance_size - sizeof (MonoObject);
4721 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4722 info->native_size = MAX (native_size, info->native_size);
4725 if (info->native_size & (klass->min_align - 1)) {
4726 info->native_size += klass->min_align - 1;
4727 info->native_size &= ~(klass->min_align - 1);
4730 return klass->marshal_info;
4734 * mono_class_native_size:
4737 * Returns: the native size of an object instance (when marshaled
4738 * to unmanaged code)
4741 mono_class_native_size (MonoClass *klass, guint32 *align)
4744 if (!klass->marshal_info)
4745 mono_marshal_load_type_info (klass);
4748 *align = klass->min_align;
4750 return klass->marshal_info->native_size;
4754 * mono_type_native_stack_size:
4755 * @t: the type to return the size it uses on the stack
4757 * Returns: the number of bytes required to hold an instance of this
4758 * type on the native stack
4761 mono_type_native_stack_size (MonoType *t, gint *align)
4765 g_assert (t != NULL);
4776 case MONO_TYPE_BOOLEAN:
4777 case MONO_TYPE_CHAR:
4786 case MONO_TYPE_STRING:
4787 case MONO_TYPE_OBJECT:
4788 case MONO_TYPE_CLASS:
4789 case MONO_TYPE_SZARRAY:
4791 case MONO_TYPE_FNPTR:
4792 case MONO_TYPE_ARRAY:
4793 case MONO_TYPE_TYPEDBYREF:
4804 case MONO_TYPE_VALUETYPE: {
4807 if (t->data.klass->enumtype)
4808 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
4810 size = mono_class_native_size (t->data.klass, align);
4811 *align = *align + 3;
4821 g_error ("type 0x%02x unknown", t->type);
4826 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
4827 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
4828 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
4829 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
4832 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
4833 gboolean as_field, gboolean unicode)
4835 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
4838 switch (native_type) {
4839 case MONO_NATIVE_BOOLEAN:
4842 case MONO_NATIVE_I1:
4843 case MONO_NATIVE_U1:
4846 case MONO_NATIVE_I2:
4847 case MONO_NATIVE_U2:
4848 case MONO_NATIVE_VARIANTBOOL:
4851 case MONO_NATIVE_I4:
4852 case MONO_NATIVE_U4:
4853 case MONO_NATIVE_ERROR:
4856 case MONO_NATIVE_I8:
4857 case MONO_NATIVE_U8:
4858 *align = ALIGNMENT(guint64);
4860 case MONO_NATIVE_R4:
4863 case MONO_NATIVE_R8:
4864 *align = ALIGNMENT(double);
4866 case MONO_NATIVE_INT:
4867 case MONO_NATIVE_UINT:
4868 case MONO_NATIVE_LPSTR:
4869 case MONO_NATIVE_LPWSTR:
4870 case MONO_NATIVE_LPTSTR:
4871 case MONO_NATIVE_BSTR:
4872 case MONO_NATIVE_ANSIBSTR:
4873 case MONO_NATIVE_TBSTR:
4874 case MONO_NATIVE_LPARRAY:
4875 case MONO_NATIVE_SAFEARRAY:
4876 case MONO_NATIVE_IUNKNOWN:
4877 case MONO_NATIVE_IDISPATCH:
4878 case MONO_NATIVE_INTERFACE:
4879 case MONO_NATIVE_ASANY:
4880 case MONO_NATIVE_FUNC:
4881 case MONO_NATIVE_LPSTRUCT:
4882 *align = ALIGNMENT(gpointer);
4883 return sizeof (gpointer);
4884 case MONO_NATIVE_STRUCT:
4885 klass = mono_class_from_mono_type (type);
4886 return mono_class_native_size (klass, align);
4887 case MONO_NATIVE_BYVALTSTR: {
4888 int esize = unicode ? 2: 1;
4891 return mspec->data.array_data.num_elem * esize;
4893 case MONO_NATIVE_BYVALARRAY: {
4895 klass = mono_class_from_mono_type (type);
4896 esize = mono_class_native_size (klass->element_class, align);
4898 return mspec->data.array_data.num_elem * esize;
4900 case MONO_NATIVE_CUSTOM:
4901 g_assert_not_reached ();
4903 case MONO_NATIVE_CURRENCY:
4904 case MONO_NATIVE_VBBYREFSTR:
4906 g_error ("native type %02x not implemented", native_type);
4909 g_assert_not_reached ();