2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/monitor.h"
23 //#define DEBUG_RUNTIME_CODE
25 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
29 #include "mono/cil/opcode.def"
34 struct _MonoMethodBuilder {
38 guint32 code_size, pos;
43 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
46 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
48 MonoMethod *res = NULL;
51 for (i = 0; i < klass->method.count; ++i) {
52 if (klass->methods [i]->name[0] == name [0] &&
53 !strcmp (name, klass->methods [i]->name) &&
54 klass->methods [i]->signature->param_count == param_count) {
55 res = klass->methods [i];
62 #ifdef DEBUG_RUNTIME_CODE
64 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
66 return g_strdup (" ");
69 static MonoDisHelper marshal_dh = {
79 /* This mutex protects the various marshalling related caches in MonoImage */
80 static CRITICAL_SECTION marshal_mutex;
82 /* Maps wrapper methods to the methods they wrap */
83 static MonoGHashTable *wrapper_hash;
86 mono_marshal_init (void)
88 static gboolean module_initialized = FALSE;
90 if (!module_initialized) {
91 module_initialized = TRUE;
92 InitializeCriticalSection (&marshal_mutex);
93 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
98 mono_delegate_to_ftnptr (MonoDelegate *delegate)
100 MonoMethod *method, *wrapper, *invoke;
101 MonoMarshalSpec **mspecs;
108 if (delegate->delegate_trampoline)
109 return delegate->delegate_trampoline;
111 klass = ((MonoObject *)delegate)->vtable->klass;
112 g_assert (klass->delegate);
115 method = delegate->method_info->method;
116 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
118 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
119 mono_method_get_marshal_info (invoke, mspecs);
121 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
123 for (i = invoke->signature->param_count; i >= 0; i--)
127 delegate->delegate_trampoline = mono_compile_method (wrapper);
129 return delegate->delegate_trampoline;
133 mono_array_to_savearray (MonoArray *array)
138 g_assert_not_reached ();
143 mono_array_to_lparray (MonoArray *array)
148 /* fixme: maybe we need to make a copy */
149 return array->vector;
153 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
155 GError *error = NULL;
165 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
167 if (items_written > sb->capacity)
168 items_written = sb->capacity;
171 memcpy (sb->chars->vector, ut, items_written * 2);
172 sb->length = items_written;
174 g_error_free (error);
180 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
187 res = g_malloc (sb->capacity + 1);
189 /* fixme: copy the content of the string builder? */
196 mono_string_to_ansibstr (MonoString *string_obj)
198 g_error ("implement me");
203 mono_string_to_bstr (MonoString *string_obj)
205 g_error ("implement me");
210 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
215 g_assert (dst != NULL);
218 memset (dst, 0, size);
223 s = mono_string_to_utf8 (src);
224 len = MIN (size, strlen (s));
225 memcpy (dst, s, len);
228 *((char *)dst + size - 1) = 0;
232 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
236 g_assert (dst != NULL);
240 memset (dst, 0, size);
244 len = MIN (size, (mono_string_length (src) * 2));
245 memcpy (dst, mono_string_chars (src), len);
247 *((char *)dst + size - 1) = 0;
248 *((char *)dst + size - 2) = 0;
252 mono_mb_free (MonoMethodBuilder *mb)
254 g_list_free (mb->locals_list);
259 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
261 MonoMethodBuilder *mb;
264 g_assert (klass != NULL);
265 g_assert (name != NULL);
267 mb = g_new0 (MonoMethodBuilder, 1);
269 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
272 m->name = g_strdup (name);
274 m->inline_count = -1;
275 m->wrapper_type = type;
278 mb->code = g_malloc (mb->code_size);
284 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
286 int res = mb->locals;
288 g_assert (mb != NULL);
289 g_assert (type != NULL);
291 mb->locals_list = g_list_append (mb->locals_list, type);
298 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
300 MonoMethodHeader *header;
304 g_assert (mb != NULL);
306 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
307 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
312 header->max_stack = max_stack;
314 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
315 header->locals [i] = (MonoType *)l->data;
318 mb->method->signature = signature;
319 header->code = mb->code;
320 header->code_size = mb->pos;
321 header->num_locals = mb->locals;
323 #ifdef DEBUG_RUNTIME_CODE
324 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
325 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
332 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
334 MonoMethodWrapper *mw;
336 g_assert (mb != NULL);
338 mw = (MonoMethodWrapper *)mb->method;
340 mw->data = g_list_append (mw->data, data);
342 return g_list_length (mw->data);
346 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
348 mb->code [pos] = value & 0xff;
349 mb->code [pos + 1] = (value >> 8) & 0xff;
350 mb->code [pos + 2] = (value >> 16) & 0xff;
351 mb->code [pos + 3] = (value >> 24) & 0xff;
355 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
357 *((gint8 *)(&mb->code [pos])) = value;
361 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
363 if (mb->pos >= mb->code_size) {
365 mb->code = g_realloc (mb->code, mb->code_size);
368 mb->code [mb->pos++] = op;
372 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
374 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
375 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
378 mono_mb_emit_icon (mb, offset);
379 mono_mb_emit_byte (mb, CEE_ADD);
384 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
387 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
388 mono_mb_emit_byte (mb, CEE_LDIND_I);
389 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
390 mono_mb_emit_byte (mb, CEE_ADD);
391 mono_mb_emit_byte (mb, CEE_LDIND_I);
392 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
393 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
394 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
395 mono_mb_emit_byte (mb, branch_code);
397 mono_mb_emit_i4 (mb, 0);
402 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
404 if ((mb->pos + 4) >= mb->code_size) {
406 mb->code = g_realloc (mb->code, mb->code_size);
409 mono_mb_patch_addr (mb, mb->pos, data);
414 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
416 if ((mb->pos + 2) >= mb->code_size) {
418 mb->code = g_realloc (mb->code, mb->code_size);
421 mb->code [mb->pos] = data & 0xff;
422 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
427 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
429 mono_mb_emit_byte (mb, CEE_LDSTR);
430 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
435 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
438 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
439 } else if (argnum < 256) {
440 mono_mb_emit_byte (mb, CEE_LDARG_S);
441 mono_mb_emit_byte (mb, argnum);
443 mono_mb_emit_byte (mb, CEE_PREFIX1);
444 mono_mb_emit_byte (mb, CEE_LDARG);
445 mono_mb_emit_i2 (mb, argnum);
450 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
453 mono_mb_emit_byte (mb, CEE_LDARGA_S);
454 mono_mb_emit_byte (mb, argnum);
456 mono_mb_emit_byte (mb, CEE_PREFIX1);
457 mono_mb_emit_byte (mb, CEE_LDARGA);
458 mono_mb_emit_i2 (mb, argnum);
463 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
466 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
467 mono_mb_emit_byte (mb, locnum);
469 mono_mb_emit_byte (mb, CEE_PREFIX1);
470 mono_mb_emit_byte (mb, CEE_LDLOCA);
471 mono_mb_emit_i2 (mb, locnum);
476 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
479 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
480 } else if (num < 256) {
481 mono_mb_emit_byte (mb, CEE_LDLOC_S);
482 mono_mb_emit_byte (mb, num);
484 mono_mb_emit_byte (mb, CEE_PREFIX1);
485 mono_mb_emit_byte (mb, CEE_LDLOC);
486 mono_mb_emit_i2 (mb, num);
491 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
494 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
495 } else if (num < 256) {
496 mono_mb_emit_byte (mb, CEE_STLOC_S);
497 mono_mb_emit_byte (mb, num);
499 mono_mb_emit_byte (mb, CEE_PREFIX1);
500 mono_mb_emit_byte (mb, CEE_STLOC);
501 mono_mb_emit_i2 (mb, num);
506 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
508 if (value >= -1 && value < 8) {
509 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
510 } else if (value >= -128 && value <= 127) {
511 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
512 mono_mb_emit_byte (mb, value);
514 mono_mb_emit_byte (mb, CEE_LDC_I4);
515 mono_mb_emit_i4 (mb, value);
520 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
523 opt_sig = method->signature;
524 mono_mb_emit_byte (mb, CEE_PREFIX1);
525 mono_mb_emit_byte (mb, CEE_LDFTN);
526 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
527 mono_mb_emit_byte (mb, CEE_CALLI);
528 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
532 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
534 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
535 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
536 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
537 mono_mb_emit_byte (mb, CEE_CALLI);
538 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
542 mono_mb_emit_exception (MonoMethodBuilder *mb)
544 /* fixme: we need a better way to throw exception,
545 * supporting several exception types and messages */
546 static MonoMethod *missing_method_ctor = NULL;
548 if (!missing_method_ctor) {
549 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", "MissingMethodException");
551 mono_class_init (mme);
552 for (i = 0; i < mme->method.count; ++i) {
553 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
554 missing_method_ctor = mme->methods [i];
559 mono_mb_emit_byte (mb, CEE_NEWOBJ);
560 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, missing_method_ctor));
561 mono_mb_emit_byte (mb, CEE_THROW);
566 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
568 mono_mb_emit_ldloc (mb, local);
569 mono_mb_emit_icon (mb, incr);
570 mono_mb_emit_byte (mb, CEE_ADD);
571 mono_mb_emit_stloc (mb, local);
575 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
576 int usize, int msize, MonoMarshalSpec *mspec)
579 case MONO_MARSHAL_CONV_BOOL_I4:
580 mono_mb_emit_byte (mb, CEE_LDLOC_0);
581 mono_mb_emit_byte (mb, CEE_LDIND_I4);
582 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
583 mono_mb_emit_byte (mb, 5);
584 mono_mb_emit_byte (mb, CEE_LDLOC_1);
585 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
586 mono_mb_emit_byte (mb, CEE_STIND_I1);
587 mono_mb_emit_byte (mb, CEE_BR_S);
588 mono_mb_emit_byte (mb, 3);
589 mono_mb_emit_byte (mb, CEE_LDLOC_1);
590 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
591 mono_mb_emit_byte (mb, CEE_STIND_I1);
593 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
597 if (type->type == MONO_TYPE_SZARRAY) {
598 eclass = type->data.klass;
600 g_assert_not_reached ();
603 if (eclass->valuetype)
604 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
606 esize = sizeof (gpointer);
608 /* create a new array */
609 mono_mb_emit_byte (mb, CEE_LDLOC_1);
610 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
611 mono_mb_emit_byte (mb, CEE_NEWARR);
612 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
613 mono_mb_emit_byte (mb, CEE_STIND_I);
615 /* copy the elements */
616 mono_mb_emit_byte (mb, CEE_LDLOC_1);
617 mono_mb_emit_byte (mb, CEE_LDIND_I);
618 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
619 mono_mb_emit_byte (mb, CEE_ADD);
620 mono_mb_emit_byte (mb, CEE_LDLOC_0);
621 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
622 mono_mb_emit_byte (mb, CEE_PREFIX1);
623 mono_mb_emit_byte (mb, CEE_CPBLK);
627 case MONO_MARSHAL_CONV_STR_BYVALSTR:
628 mono_mb_emit_byte (mb, CEE_LDLOC_1);
629 mono_mb_emit_byte (mb, CEE_LDLOC_0);
630 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
631 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
632 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
633 mono_mb_emit_byte (mb, CEE_STIND_I);
635 case MONO_MARSHAL_CONV_STR_LPTSTR:
636 case MONO_MARSHAL_CONV_STR_LPSTR:
637 mono_mb_emit_byte (mb, CEE_LDLOC_1);
638 mono_mb_emit_byte (mb, CEE_LDLOC_0);
639 mono_mb_emit_byte (mb, CEE_LDIND_I);
640 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
641 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
642 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
643 mono_mb_emit_byte (mb, CEE_STIND_I);
645 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
646 MonoClass *klass = mono_class_from_mono_type (type);
647 int src_var, dst_var;
649 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
650 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
652 /* *dst = new object */
653 mono_mb_emit_byte (mb, CEE_LDLOC_1);
654 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
655 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
656 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
657 mono_mb_emit_byte (mb, CEE_STIND_I);
659 /* save the old src pointer */
660 mono_mb_emit_byte (mb, CEE_LDLOC_0);
661 mono_mb_emit_stloc (mb, src_var);
662 /* save the old dst pointer */
663 mono_mb_emit_byte (mb, CEE_LDLOC_1);
664 mono_mb_emit_stloc (mb, dst_var);
666 /* dst = pointer to newly created object data */
667 mono_mb_emit_byte (mb, CEE_LDLOC_1);
668 mono_mb_emit_byte (mb, CEE_LDIND_I);
669 mono_mb_emit_icon (mb, sizeof (MonoObject));
670 mono_mb_emit_byte (mb, CEE_ADD);
671 mono_mb_emit_byte (mb, CEE_STLOC_1);
673 emit_struct_conv (mb, klass, TRUE);
675 /* restore the old src pointer */
676 mono_mb_emit_ldloc (mb, src_var);
677 mono_mb_emit_byte (mb, CEE_STLOC_0);
678 /* restore the old dst pointer */
679 mono_mb_emit_ldloc (mb, dst_var);
680 mono_mb_emit_byte (mb, CEE_STLOC_1);
683 case MONO_MARSHAL_CONV_DEL_FTN: {
684 // fixme: we never convert functions back to delegates, dont
685 // know if thats the correct behaviour
688 case MONO_MARSHAL_CONV_STR_LPWSTR:
689 case MONO_MARSHAL_CONV_STR_BSTR:
690 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
691 case MONO_MARSHAL_CONV_STR_TBSTR:
692 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
693 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
694 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
695 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
697 g_warning ("marshaling conversion %d not implemented", conv);
698 g_assert_not_reached ();
703 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
704 MonoMarshalSpec *mspec)
709 case MONO_MARSHAL_CONV_BOOL_I4:
710 mono_mb_emit_byte (mb, CEE_LDLOC_1);
711 mono_mb_emit_byte (mb, CEE_LDLOC_0);
712 mono_mb_emit_byte (mb, CEE_LDIND_U1);
713 mono_mb_emit_byte (mb, CEE_STIND_I4);
715 case MONO_MARSHAL_CONV_STR_LPWSTR:
716 case MONO_MARSHAL_CONV_STR_LPSTR:
717 case MONO_MARSHAL_CONV_STR_LPTSTR:
718 case MONO_MARSHAL_CONV_STR_BSTR:
719 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
720 case MONO_MARSHAL_CONV_STR_TBSTR:
721 /* free space if free == true */
722 mono_mb_emit_byte (mb, CEE_LDLOC_2);
723 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
724 mono_mb_emit_byte (mb, 4);
725 mono_mb_emit_byte (mb, CEE_LDLOC_1);
726 mono_mb_emit_byte (mb, CEE_LDIND_I);
727 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
728 mono_mb_emit_byte (mb, CEE_MONO_FREE);
730 mono_mb_emit_byte (mb, CEE_LDLOC_1);
731 mono_mb_emit_byte (mb, CEE_LDLOC_0);
732 mono_mb_emit_byte (mb, CEE_LDIND_I);
733 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
734 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
735 mono_mb_emit_byte (mb, conv);
736 mono_mb_emit_byte (mb, CEE_STIND_I);
738 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
739 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
740 case MONO_MARSHAL_CONV_DEL_FTN:
741 mono_mb_emit_byte (mb, CEE_LDLOC_1);
742 mono_mb_emit_byte (mb, CEE_LDLOC_0);
743 mono_mb_emit_byte (mb, CEE_LDIND_I);
744 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
745 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
746 mono_mb_emit_byte (mb, conv);
747 mono_mb_emit_byte (mb, CEE_STIND_I);
749 case MONO_MARSHAL_CONV_STR_BYVALSTR:
750 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
754 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
755 mono_mb_emit_byte (mb, CEE_LDLOC_0);
756 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
757 mono_mb_emit_icon (mb, usize);
758 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
759 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
760 mono_mb_emit_byte (mb, conv);
763 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
767 if (type->type == MONO_TYPE_SZARRAY) {
768 eclass = type->data.klass;
770 g_assert_not_reached ();
773 if (eclass->valuetype)
774 esize = mono_class_native_size (eclass, NULL);
776 esize = sizeof (gpointer);
781 mono_mb_emit_byte (mb, CEE_LDLOC_0);
782 mono_mb_emit_byte (mb, CEE_LDIND_I);
783 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
785 mono_mb_emit_byte (mb, 0);
787 mono_mb_emit_byte (mb, CEE_LDLOC_1);
788 mono_mb_emit_byte (mb, CEE_LDLOC_0);
789 mono_mb_emit_byte (mb, CEE_LDIND_I);
790 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
791 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
792 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
793 mono_mb_emit_byte (mb, CEE_ADD);
794 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
795 mono_mb_emit_byte (mb, CEE_PREFIX1);
796 mono_mb_emit_byte (mb, CEE_CPBLK);
797 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
800 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
801 int src_var, dst_var;
803 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
804 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
806 mono_mb_emit_byte (mb, CEE_LDLOC_0);
807 mono_mb_emit_byte (mb, CEE_LDIND_I);
808 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
810 mono_mb_emit_byte (mb, 0);
812 /* save the old src pointer */
813 mono_mb_emit_byte (mb, CEE_LDLOC_0);
814 mono_mb_emit_stloc (mb, src_var);
815 /* save the old dst pointer */
816 mono_mb_emit_byte (mb, CEE_LDLOC_1);
817 mono_mb_emit_stloc (mb, dst_var);
819 /* src = pointer to object data */
820 mono_mb_emit_byte (mb, CEE_LDLOC_0);
821 mono_mb_emit_byte (mb, CEE_LDIND_I);
822 mono_mb_emit_icon (mb, sizeof (MonoObject));
823 mono_mb_emit_byte (mb, CEE_ADD);
824 mono_mb_emit_byte (mb, CEE_STLOC_0);
826 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
828 /* restore the old src pointer */
829 mono_mb_emit_ldloc (mb, src_var);
830 mono_mb_emit_byte (mb, CEE_STLOC_0);
831 /* restore the old dst pointer */
832 mono_mb_emit_ldloc (mb, dst_var);
833 mono_mb_emit_byte (mb, CEE_STLOC_1);
835 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
838 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
840 g_warning ("marshalling conversion %d not implemented", conv);
841 g_assert_not_reached ();
846 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
848 MonoMarshalType *info;
852 emit_struct_conv(mb, klass->parent, to_object);
854 info = mono_marshal_load_type_info (klass);
856 if (klass->blittable) {
857 mono_mb_emit_byte (mb, CEE_LDLOC_1);
858 mono_mb_emit_byte (mb, CEE_LDLOC_0);
859 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
860 mono_mb_emit_byte (mb, CEE_PREFIX1);
861 mono_mb_emit_byte (mb, CEE_CPBLK);
865 for (i = 0; i < info->num_fields; i++) {
866 MonoMarshalNative ntype;
867 MonoMarshalConv conv;
868 MonoType *ftype = info->fields [i].field->type;
871 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
873 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
876 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
879 msize = klass->instance_size - info->fields [i].field->offset;
880 usize = info->native_size - info->fields [i].offset;
882 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
883 usize = info->fields [i + 1].offset - info->fields [i].offset;
885 g_assert ((msize >= 0) && (usize >= 0));
888 case MONO_MARSHAL_CONV_NONE: {
891 if (ftype->byref || ftype->type == MONO_TYPE_I ||
892 ftype->type == MONO_TYPE_U) {
893 mono_mb_emit_byte (mb, CEE_LDLOC_1);
894 mono_mb_emit_byte (mb, CEE_LDLOC_0);
895 mono_mb_emit_byte (mb, CEE_LDIND_I);
896 mono_mb_emit_byte (mb, CEE_STIND_I);
905 #if SIZEOF_VOID_P == 4
908 mono_mb_emit_byte (mb, CEE_LDLOC_1);
909 mono_mb_emit_byte (mb, CEE_LDLOC_0);
910 mono_mb_emit_byte (mb, CEE_LDIND_I4);
911 mono_mb_emit_byte (mb, CEE_STIND_I4);
915 case MONO_TYPE_BOOLEAN:
916 mono_mb_emit_byte (mb, CEE_LDLOC_1);
917 mono_mb_emit_byte (mb, CEE_LDLOC_0);
918 mono_mb_emit_byte (mb, CEE_LDIND_I1);
919 mono_mb_emit_byte (mb, CEE_STIND_I1);
924 mono_mb_emit_byte (mb, CEE_LDLOC_1);
925 mono_mb_emit_byte (mb, CEE_LDLOC_0);
926 mono_mb_emit_byte (mb, CEE_LDIND_I2);
927 mono_mb_emit_byte (mb, CEE_STIND_I2);
931 #if SIZEOF_VOID_P == 8
934 mono_mb_emit_byte (mb, CEE_LDLOC_1);
935 mono_mb_emit_byte (mb, CEE_LDLOC_0);
936 mono_mb_emit_byte (mb, CEE_LDIND_I8);
937 mono_mb_emit_byte (mb, CEE_STIND_I8);
940 mono_mb_emit_byte (mb, CEE_LDLOC_1);
941 mono_mb_emit_byte (mb, CEE_LDLOC_0);
942 mono_mb_emit_byte (mb, CEE_LDIND_R4);
943 mono_mb_emit_byte (mb, CEE_STIND_R4);
946 mono_mb_emit_byte (mb, CEE_LDLOC_1);
947 mono_mb_emit_byte (mb, CEE_LDLOC_0);
948 mono_mb_emit_byte (mb, CEE_LDIND_R8);
949 mono_mb_emit_byte (mb, CEE_STIND_R8);
951 case MONO_TYPE_VALUETYPE:
952 if (ftype->data.klass->enumtype) {
953 t = ftype->data.klass->enum_basetype->type;
956 emit_struct_conv (mb, ftype->data.klass, to_object);
959 g_warning ("marshaling type %02x not implemented", ftype->type);
960 g_assert_not_reached ();
966 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
968 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
972 mono_mb_emit_add_to_local (mb, 0, usize);
973 mono_mb_emit_add_to_local (mb, 1, msize);
975 mono_mb_emit_add_to_local (mb, 0, msize);
976 mono_mb_emit_add_to_local (mb, 1, usize);
981 static MonoAsyncResult *
982 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
984 MonoMethodMessage *msg;
985 MonoDelegate *async_callback;
989 MonoMethod *method = NULL;
994 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
996 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
997 if (!tp->klass->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
999 // If the target is a proxy, make a direct call. Is proxy's work
1000 // to make the call asynchronous.
1002 MonoAsyncResult *ares;
1004 MonoArray *out_args;
1006 method = delegate->method_info->method;
1008 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1009 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1010 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1011 ares->async_delegate = (MonoObject *)async_callback;
1012 msg->async_result = ares;
1013 msg->call_type = CallType_BeginInvoke;
1015 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1020 klass = delegate->object.vtable->klass;
1022 method = mono_get_delegate_invoke (klass);
1023 for (i = 0; i < klass->method.count; ++i) {
1024 if (klass->methods [i]->name[0] == 'B' &&
1025 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1026 method = klass->methods [i];
1031 g_assert (method != NULL);
1033 im = mono_get_delegate_invoke (method->klass);
1034 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1036 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1040 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1042 int i, params_var, tmp_var;
1044 /* allocate local (pointer) *params[] */
1045 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1046 /* allocate local (pointer) tmp */
1047 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1049 /* alloate space on stack to store an array of pointers to the arguments */
1050 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1051 mono_mb_emit_byte (mb, CEE_PREFIX1);
1052 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1053 mono_mb_emit_stloc (mb, params_var);
1056 mono_mb_emit_ldloc (mb, params_var);
1057 mono_mb_emit_stloc (mb, tmp_var);
1059 if (save_this && sig->hasthis) {
1060 mono_mb_emit_ldloc (mb, tmp_var);
1061 mono_mb_emit_ldarg_addr (mb, 0);
1062 mono_mb_emit_byte (mb, CEE_STIND_I);
1063 /* tmp = tmp + sizeof (gpointer) */
1064 if (sig->param_count)
1065 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1069 for (i = 0; i < sig->param_count; i++) {
1070 mono_mb_emit_ldloc (mb, tmp_var);
1071 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1072 mono_mb_emit_byte (mb, CEE_STIND_I);
1073 /* tmp = tmp + sizeof (gpointer) */
1074 if (i < (sig->param_count - 1))
1075 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1082 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1086 GString *res = g_string_new ("");
1089 g_string_append (res, prefix);
1090 g_string_append_c (res, '_');
1093 mono_type_get_desc (res, sig->ret, FALSE);
1095 for (i = 0; i < sig->param_count; ++i) {
1096 g_string_append_c (res, '_');
1097 mono_type_get_desc (res, sig->params [i], FALSE);
1100 g_string_free (res, FALSE);
1104 static inline MonoMethod*
1105 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1109 EnterCriticalSection (&marshal_mutex);
1110 res = g_hash_table_lookup (cache, key);
1111 LeaveCriticalSection (&marshal_mutex);
1115 /* Create the method from the builder and place it in the cache */
1116 static inline MonoMethod*
1117 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1118 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1123 EnterCriticalSection (&marshal_mutex);
1124 res = g_hash_table_lookup (cache, key);
1126 /* This does not acquire any locks */
1127 res = mono_mb_create_method (mb, sig, max_stack);
1128 g_hash_table_insert (cache, key, res);
1129 mono_g_hash_table_insert (wrapper_hash, res, key);
1132 /* Somebody created it before us */
1134 LeaveCriticalSection (&marshal_mutex);
1140 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1145 (wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK) ||
1146 (wrapper->wrapper_type == MONO_WRAPPER_SYNCHRONIZED));
1148 EnterCriticalSection (&marshal_mutex);
1149 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1150 LeaveCriticalSection (&marshal_mutex);
1152 if (wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1153 /* See mono_marshal_get_remoting_invoke_with_check */
1154 return (MonoMethod*)((char*)res - 1);
1160 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1162 MonoMethodSignature *sig;
1163 static MonoMethodSignature *csig = NULL;
1164 MonoMethodBuilder *mb;
1170 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1171 !strcmp (method->name, "BeginInvoke"));
1173 sig = method->signature;
1175 cache = method->klass->image->delegate_begin_invoke_cache;
1176 if ((res = mono_marshal_find_in_cache (cache, sig)))
1179 g_assert (sig->hasthis);
1182 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1183 csig = g_malloc0 (sigsize);
1185 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1186 csig->param_count = 2;
1187 csig->ret = &mono_defaults.object_class->byval_arg;
1188 csig->params [0] = &mono_defaults.object_class->byval_arg;
1189 csig->params [1] = &mono_defaults.int_class->byval_arg;
1192 name = mono_signature_to_name (sig, "begin_invoke");
1193 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1196 mb->method->save_lmf = 1;
1198 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1200 mono_mb_emit_ldarg (mb, 0);
1201 mono_mb_emit_ldloc (mb, params_var);
1202 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1203 mono_mb_emit_byte (mb, CEE_RET);
1205 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1211 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1213 MonoDomain *domain = mono_domain_get ();
1214 MonoAsyncResult *ares;
1215 MonoMethod *method = NULL;
1216 MonoMethodSignature *sig;
1217 MonoMethodMessage *msg;
1218 MonoObject *res, *exc;
1219 MonoArray *out_args;
1223 g_assert (delegate);
1225 if (!delegate->method_info || !delegate->method_info->method)
1226 g_assert_not_reached ();
1228 klass = delegate->object.vtable->klass;
1230 for (i = 0; i < klass->method.count; ++i) {
1231 if (klass->methods [i]->name[0] == 'E' &&
1232 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1233 method = klass->methods [i];
1238 g_assert (method != NULL);
1240 sig = method->signature;
1242 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1244 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1247 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1248 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1249 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1250 mono_message_init (domain, msg, delegate->method_info, NULL);
1251 msg->call_type = CallType_EndInvoke;
1252 msg->async_result = ares;
1253 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1256 res = mono_thread_pool_finish (ares, &out_args, &exc);
1259 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1261 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1263 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1265 mono_raise_exception ((MonoException*)exc);
1268 mono_method_return_message_restore (method, params, out_args);
1273 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1275 if (return_type->byref)
1276 return_type = &mono_defaults.int_class->byval_arg;
1277 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1278 return_type = return_type->data.klass->enum_basetype;
1280 switch (return_type->type) {
1281 case MONO_TYPE_VOID:
1282 g_assert_not_reached ();
1285 case MONO_TYPE_STRING:
1286 case MONO_TYPE_CLASS:
1287 case MONO_TYPE_OBJECT:
1288 case MONO_TYPE_ARRAY:
1289 case MONO_TYPE_SZARRAY:
1293 case MONO_TYPE_BOOLEAN:
1294 mono_mb_emit_byte (mb, CEE_UNBOX);
1295 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1296 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1299 mono_mb_emit_byte (mb, CEE_UNBOX);
1300 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1301 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1304 case MONO_TYPE_CHAR:
1305 mono_mb_emit_byte (mb, CEE_UNBOX);
1306 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1307 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1310 mono_mb_emit_byte (mb, CEE_UNBOX);
1311 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1312 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1316 mono_mb_emit_byte (mb, CEE_UNBOX);
1317 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1318 mono_mb_emit_byte (mb, CEE_LDIND_I);
1321 mono_mb_emit_byte (mb, CEE_UNBOX);
1322 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1323 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1326 mono_mb_emit_byte (mb, CEE_UNBOX);
1327 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1328 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1332 mono_mb_emit_byte (mb, CEE_UNBOX);
1333 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1334 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1337 mono_mb_emit_byte (mb, CEE_UNBOX);
1338 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1339 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1342 mono_mb_emit_byte (mb, CEE_UNBOX);
1343 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1344 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1346 case MONO_TYPE_VALUETYPE: {
1348 mono_mb_emit_byte (mb, CEE_UNBOX);
1349 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1350 mono_mb_emit_i4 (mb, class);
1351 mono_mb_emit_byte (mb, CEE_LDOBJ);
1352 mono_mb_emit_i4 (mb, class);
1356 g_warning ("type 0x%x not handled", return_type->type);
1357 g_assert_not_reached ();
1360 mono_mb_emit_byte (mb, CEE_RET);
1364 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1366 MonoMethodSignature *sig;
1367 static MonoMethodSignature *csig = NULL;
1368 MonoMethodBuilder *mb;
1374 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1375 !strcmp (method->name, "EndInvoke"));
1377 sig = method->signature;
1379 cache = method->klass->image->delegate_end_invoke_cache;
1380 if ((res = mono_marshal_find_in_cache (cache, sig)))
1383 g_assert (sig->hasthis);
1386 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1387 csig = g_malloc0 (sigsize);
1389 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1390 csig->param_count = 2;
1391 csig->ret = &mono_defaults.object_class->byval_arg;
1392 csig->params [0] = &mono_defaults.object_class->byval_arg;
1393 csig->params [1] = &mono_defaults.int_class->byval_arg;
1396 name = mono_signature_to_name (sig, "end_invoke");
1397 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1400 mb->method->save_lmf = 1;
1402 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1404 mono_mb_emit_ldarg (mb, 0);
1405 mono_mb_emit_ldloc (mb, params_var);
1406 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1408 if (sig->ret->type == MONO_TYPE_VOID) {
1409 mono_mb_emit_byte (mb, CEE_POP);
1410 mono_mb_emit_byte (mb, CEE_RET);
1412 mono_mb_emit_restore_result (mb, sig->ret);
1414 res = mono_mb_create_and_cache (cache, sig,
1415 mb, sig, sig->param_count + 16);
1422 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1424 MonoMethodMessage *msg;
1425 MonoTransparentProxy *this;
1426 MonoObject *res, *exc;
1427 MonoArray *out_args;
1429 this = *((MonoTransparentProxy **)params [0]);
1432 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1434 /* skip the this pointer */
1437 if (this->klass->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1440 MonoMethodSignature *sig = method->signature;
1441 int count = sig->param_count;
1442 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1444 for (i=0; i<count; i++) {
1445 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1446 if (class->valuetype) {
1447 if (sig->params [i]->byref)
1448 mparams[i] = *((gpointer *)params [i]);
1450 mparams[i] = params [i];
1452 mparams[i] = *((gpointer**)params [i]);
1456 return mono_runtime_invoke (method, this->rp->unwrapped_server, mparams, NULL);
1459 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1461 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1464 mono_raise_exception ((MonoException *)exc);
1466 mono_method_return_message_restore (method, params, out_args);
1472 mono_marshal_get_remoting_invoke (MonoMethod *method)
1474 MonoMethodSignature *sig;
1475 static MonoMethodSignature *csig = NULL;
1476 MonoMethodBuilder *mb;
1483 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1486 sig = method->signature;
1488 /* we cant remote methods without this pointer */
1492 cache = method->klass->image->remoting_invoke_cache;
1493 if ((res = mono_marshal_find_in_cache (cache, method)))
1497 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1498 csig->params [0] = &mono_defaults.int_class->byval_arg;
1499 csig->params [1] = &mono_defaults.int_class->byval_arg;
1500 csig->ret = &mono_defaults.object_class->byval_arg;
1504 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1505 mb->method->save_lmf = 1;
1507 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1509 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1510 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1511 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1512 mono_mb_emit_ldloc (mb, params_var);
1513 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1515 if (sig->ret->type == MONO_TYPE_VOID) {
1516 mono_mb_emit_byte (mb, CEE_POP);
1517 mono_mb_emit_byte (mb, CEE_RET);
1519 mono_mb_emit_restore_result (mb, sig->ret);
1522 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1529 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1531 MonoMethodSignature *sig;
1532 MonoMethodBuilder *mb;
1533 MonoMethod *res, *native;
1539 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1542 sig = method->signature;
1544 /* we cant remote methods without this pointer */
1545 g_assert (sig->hasthis);
1547 cache = method->klass->image->remoting_invoke_cache;
1548 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1551 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1553 mono_mb_emit_ldarg (mb, 0);
1554 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1556 native = mono_marshal_get_remoting_invoke (method);
1558 for (i = 0; i <= sig->param_count; i++)
1559 mono_mb_emit_ldarg (mb, i);
1561 mono_mb_emit_managed_call (mb, native, native->signature);
1562 mono_mb_emit_byte (mb, CEE_RET);
1564 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1566 for (i = 0; i <= sig->param_count; i++)
1567 mono_mb_emit_ldarg (mb, i);
1569 mono_mb_emit_managed_call (mb, method, method->signature);
1570 mono_mb_emit_byte (mb, CEE_RET);
1572 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1573 mb, sig, sig->param_count + 16);
1580 * the returned method invokes all methods in a multicast delegate
1583 mono_marshal_get_delegate_invoke (MonoMethod *method)
1585 MonoMethodSignature *sig, *static_sig;
1587 MonoMethodBuilder *mb;
1593 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1594 !strcmp (method->name, "Invoke"));
1596 sig = method->signature;
1598 cache = method->klass->image->delegate_invoke_cache;
1599 if ((res = mono_marshal_find_in_cache (cache, sig)))
1602 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1603 static_sig = g_memdup (sig, sigsize);
1604 static_sig->hasthis = 0;
1606 name = mono_signature_to_name (sig, "invoke");
1607 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1610 /* allocate local 0 (object) */
1611 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1613 g_assert (sig->hasthis);
1617 * prev.Invoke( args .. );
1618 * return this.<target>( args .. );
1621 /* get this->prev */
1622 mono_mb_emit_ldarg (mb, 0);
1623 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1624 mono_mb_emit_byte (mb, CEE_LDIND_I );
1625 mono_mb_emit_stloc (mb, 0);
1627 /* if prev != null */
1628 mono_mb_emit_ldloc (mb, 0);
1629 mono_mb_emit_byte (mb, CEE_BRFALSE);
1632 mono_mb_emit_i4 (mb, 0);
1635 mono_mb_emit_ldloc (mb, 0);
1636 for (i = 0; i < sig->param_count; i++)
1637 mono_mb_emit_ldarg (mb, i + 1);
1638 mono_mb_emit_managed_call (mb, method, method->signature);
1639 if (sig->ret->type != MONO_TYPE_VOID)
1640 mono_mb_emit_byte (mb, CEE_POP);
1642 /* continued or prev == null */
1643 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1645 /* get this->target */
1646 mono_mb_emit_ldarg (mb, 0);
1647 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1648 mono_mb_emit_byte (mb, CEE_LDIND_I );
1649 mono_mb_emit_stloc (mb, 0);
1651 /* if target != null */
1652 mono_mb_emit_ldloc (mb, 0);
1653 mono_mb_emit_byte (mb, CEE_BRFALSE);
1655 mono_mb_emit_i4 (mb, 0);
1657 /* then call this->method_ptr nonstatic */
1658 mono_mb_emit_ldloc (mb, 0);
1659 for (i = 0; i < sig->param_count; ++i)
1660 mono_mb_emit_ldarg (mb, i + 1);
1661 mono_mb_emit_ldarg (mb, 0);
1662 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1663 mono_mb_emit_byte (mb, CEE_LDIND_I );
1664 mono_mb_emit_byte (mb, CEE_CALLI);
1665 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1667 mono_mb_emit_byte (mb, CEE_BR);
1669 mono_mb_emit_i4 (mb, 0);
1671 /* else [target == null] call this->method_ptr static */
1672 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1674 for (i = 0; i < sig->param_count; ++i)
1675 mono_mb_emit_ldarg (mb, i + 1);
1676 mono_mb_emit_ldarg (mb, 0);
1677 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1678 mono_mb_emit_byte (mb, CEE_LDIND_I );
1679 mono_mb_emit_byte (mb, CEE_CALLI);
1680 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1683 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1684 mono_mb_emit_byte (mb, CEE_RET);
1686 res = mono_mb_create_and_cache (cache, sig,
1687 mb, sig, sig->param_count + 16);
1694 * generates IL code for the runtime invoke function
1695 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1697 * we also catch exceptions if exc != null
1700 mono_marshal_get_runtime_invoke (MonoMethod *method)
1702 MonoMethodSignature *sig, *csig;
1703 MonoExceptionClause *clause;
1704 MonoMethodHeader *header;
1705 MonoMethodBuilder *mb;
1708 static MonoString *string_dummy = NULL;
1709 int i, pos, sigsize;
1713 cache = method->klass->image->runtime_invoke_cache;
1714 if ((res = mono_marshal_find_in_cache (cache, method)))
1717 /* to make it work with our special string constructors */
1719 string_dummy = mono_string_new_wrapper ("dummy");
1721 sig = method->signature;
1723 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1724 csig = g_malloc0 (sigsize);
1726 csig->param_count = 3;
1727 csig->ret = &mono_defaults.object_class->byval_arg;
1728 csig->params [0] = &mono_defaults.object_class->byval_arg;
1729 csig->params [1] = &mono_defaults.int_class->byval_arg;
1730 csig->params [2] = &mono_defaults.int_class->byval_arg;
1732 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1734 /* allocate local 0 (object) tmp */
1735 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1736 /* allocate local 1 (object) exc */
1737 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1739 /* cond set *exc to null */
1740 mono_mb_emit_byte (mb, CEE_LDARG_2);
1741 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1742 mono_mb_emit_byte (mb, 3);
1743 mono_mb_emit_byte (mb, CEE_LDARG_2);
1744 mono_mb_emit_byte (mb, CEE_LDNULL);
1745 mono_mb_emit_byte (mb, CEE_STIND_I);
1748 if (method->string_ctor) {
1749 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1750 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1751 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1753 mono_mb_emit_ldarg (mb, 0);
1754 if (method->klass->valuetype) {
1755 mono_mb_emit_byte (mb, CEE_UNBOX);
1756 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1761 for (i = 0; i < sig->param_count; i++) {
1762 MonoType *t = sig->params [i];
1765 mono_mb_emit_ldarg (mb, 1);
1767 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1768 mono_mb_emit_byte (mb, CEE_ADD);
1770 mono_mb_emit_byte (mb, CEE_LDIND_I);
1775 type = sig->params [i]->type;
1779 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1781 case MONO_TYPE_BOOLEAN:
1783 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1786 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1789 case MONO_TYPE_CHAR:
1790 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1794 mono_mb_emit_byte (mb, CEE_LDIND_I);
1797 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1800 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1803 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1806 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1810 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1812 case MONO_TYPE_STRING:
1813 case MONO_TYPE_CLASS:
1814 case MONO_TYPE_ARRAY:
1816 case MONO_TYPE_SZARRAY:
1817 case MONO_TYPE_OBJECT:
1820 case MONO_TYPE_VALUETYPE:
1821 if (t->data.klass->enumtype) {
1822 type = t->data.klass->enum_basetype->type;
1825 mono_mb_emit_byte (mb, CEE_LDOBJ);
1826 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1829 g_assert_not_reached ();
1833 if (method->string_ctor) {
1834 MonoMethodSignature *strsig;
1836 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1837 strsig = g_memdup (sig, sigsize);
1838 strsig->ret = &mono_defaults.string_class->byval_arg;
1840 mono_mb_emit_managed_call (mb, method, strsig);
1842 mono_mb_emit_managed_call (mb, method, NULL);
1844 if (sig->ret->byref) {
1846 g_assert_not_reached ();
1850 switch (sig->ret->type) {
1851 case MONO_TYPE_VOID:
1852 if (!method->string_ctor)
1853 mono_mb_emit_byte (mb, CEE_LDNULL);
1855 case MONO_TYPE_BOOLEAN:
1856 case MONO_TYPE_CHAR:
1869 case MONO_TYPE_VALUETYPE:
1870 /* box value types */
1871 mono_mb_emit_byte (mb, CEE_BOX);
1872 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1874 case MONO_TYPE_STRING:
1875 case MONO_TYPE_CLASS:
1876 case MONO_TYPE_ARRAY:
1877 case MONO_TYPE_SZARRAY:
1878 case MONO_TYPE_OBJECT:
1883 g_assert_not_reached ();
1886 mono_mb_emit_stloc (mb, 0);
1888 mono_mb_emit_byte (mb, CEE_LEAVE);
1890 mono_mb_emit_i4 (mb, 0);
1892 clause = g_new0 (MonoExceptionClause, 1);
1893 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1894 clause->try_len = mb->pos;
1897 clause->token_or_filter = mb->pos;
1899 mono_mb_emit_byte (mb, CEE_POP);
1900 mono_mb_emit_byte (mb, CEE_LDARG_2);
1901 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1902 mono_mb_emit_byte (mb, CEE_PREFIX1);
1903 mono_mb_emit_byte (mb, CEE_CGT_UN);
1904 mono_mb_emit_byte (mb, CEE_PREFIX1);
1905 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1907 clause->handler_offset = mb->pos;
1910 /* store exception */
1911 mono_mb_emit_stloc (mb, 1);
1913 mono_mb_emit_byte (mb, CEE_LDARG_2);
1914 mono_mb_emit_ldloc (mb, 1);
1915 mono_mb_emit_byte (mb, CEE_STIND_I);
1917 mono_mb_emit_byte (mb, CEE_LEAVE);
1918 mono_mb_emit_i4 (mb, 0);
1920 clause->handler_len = mb->pos - clause->handler_offset;
1923 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1924 mono_mb_emit_ldloc (mb, 0);
1925 mono_mb_emit_byte (mb, CEE_RET);
1927 res = mono_mb_create_and_cache (cache, method,
1928 mb, csig, sig->param_count + 16);
1931 header = ((MonoMethodNormal *)res)->header;
1932 header->num_clauses = 1;
1933 header->clauses = clause;
1939 * generates IL code to call managed methods from unmanaged code
1942 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
1944 MonoMethodSignature *sig, *csig;
1945 MonoMethodBuilder *mb;
1949 int i, pos, sigsize, *tmp_locals;
1951 g_assert (method != NULL);
1952 g_assert (!method->signature->pinvoke);
1954 cache = method->klass->image->managed_wrapper_cache;
1955 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
1959 /* fime: howto free that memory ? */
1962 sig = method->signature;
1964 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
1966 /* allocate local 0 (pointer) src_ptr */
1967 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1968 /* allocate local 1 (pointer) dst_ptr */
1969 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1970 /* allocate local 2 (boolean) delete_old */
1971 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1973 mono_mb_emit_byte (mb, CEE_LDNULL);
1974 mono_mb_emit_byte (mb, CEE_STLOC_2);
1976 /* we copy the signature, so that we can modify it */
1977 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1978 csig = g_memdup (sig, sigsize);
1982 /* fixme: howto handle this ? */
1986 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1987 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1988 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
1993 g_assert_not_reached ();
1998 /* we first do all conversions */
1999 tmp_locals = alloca (sizeof (int) * sig->param_count);
2000 for (i = 0; i < sig->param_count; i ++) {
2001 MonoType *t = sig->params [i];
2002 MonoMarshalSpec *spec = mspecs [i + 1];
2006 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2009 MonoMethod *marshal_native_to_managed;
2010 MonoMethod *get_instance;
2012 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2013 g_assert (mtype != NULL);
2014 mklass = mono_class_from_mono_type (mtype);
2015 g_assert (mklass != NULL);
2017 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2018 g_assert (marshal_native_to_managed);
2019 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2020 g_assert (get_instance);
2023 case MONO_TYPE_CLASS:
2024 case MONO_TYPE_OBJECT:
2025 case MONO_TYPE_STRING:
2026 case MONO_TYPE_ARRAY:
2027 case MONO_TYPE_SZARRAY:
2031 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2033 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2035 mono_mb_emit_byte (mb, CEE_CALL);
2036 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2038 mono_mb_emit_ldarg (mb, i);
2040 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2041 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2043 mono_mb_emit_stloc (mb, tmp_locals [i]);
2046 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2047 g_assert_not_reached ();
2054 case MONO_TYPE_VALUETYPE:
2056 klass = sig->params [i]->data.klass;
2057 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2058 klass->blittable || klass->enumtype)
2061 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2064 mono_mb_emit_ldarg (mb, i);
2066 mono_mb_emit_ldarg_addr (mb, i);
2067 mono_mb_emit_byte (mb, CEE_STLOC_0);
2070 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2071 mono_mb_emit_byte (mb, CEE_BRFALSE);
2073 mono_mb_emit_i4 (mb, 0);
2076 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2077 mono_mb_emit_byte (mb, CEE_STLOC_1);
2079 /* emit valuetype convnversion code code */
2080 emit_struct_conv (mb, klass, TRUE);
2083 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2085 case MONO_TYPE_STRING:
2089 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2090 csig->params [i] = &mono_defaults.int_class->byval_arg;
2092 mono_mb_emit_ldarg (mb, i);
2093 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2094 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2095 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2096 mono_mb_emit_stloc (mb, tmp_locals [i]);
2098 case MONO_TYPE_ARRAY:
2099 case MONO_TYPE_SZARRAY:
2103 klass = mono_class_from_mono_type (t);
2105 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2106 csig->params [i] = &mono_defaults.int_class->byval_arg;
2108 g_warning ("array marshaling not implemented");
2109 g_assert_not_reached ();
2114 for (i = 0; i < sig->param_count; i++) {
2115 MonoType *t = sig->params [i];
2118 case MONO_TYPE_BOOLEAN:
2132 mono_mb_emit_ldarg (mb, i);
2134 case MONO_TYPE_STRING:
2136 mono_mb_emit_ldarg (mb, i);
2138 g_assert (tmp_locals [i]);
2139 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2142 case MONO_TYPE_CLASS:
2143 case MONO_TYPE_ARRAY:
2144 case MONO_TYPE_SZARRAY:
2145 case MONO_TYPE_OBJECT:
2147 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2149 mono_mb_emit_ldarg (mb, i);
2151 case MONO_TYPE_VALUETYPE:
2152 klass = sig->params [i]->data.klass;
2153 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2154 klass->blittable || klass->enumtype) {
2155 mono_mb_emit_ldarg (mb, i);
2159 g_assert (tmp_locals [i]);
2161 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2163 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2166 g_warning ("type 0x%02x unknown", t->type);
2167 g_assert_not_reached ();
2171 mono_mb_emit_managed_call (mb, method, NULL);
2173 if (!sig->ret->byref) {
2174 switch (sig->ret->type) {
2175 case MONO_TYPE_VOID:
2176 case MONO_TYPE_BOOLEAN:
2190 case MONO_TYPE_OBJECT:
2191 mono_mb_emit_byte (mb, CEE_RET);
2193 case MONO_TYPE_STRING:
2194 csig->ret = &mono_defaults.int_class->byval_arg;
2196 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2197 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2198 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2199 mono_mb_emit_byte (mb, CEE_RET);
2201 case MONO_TYPE_VALUETYPE: {
2203 klass = sig->ret->data.klass;
2204 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2205 klass->blittable || klass->enumtype)
2208 /* load pointer to returned value type */
2209 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2210 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2212 /* store the address of the source into local variable 0 */
2213 mono_mb_emit_byte (mb, CEE_STLOC_0);
2214 /* allocate space for the native struct and
2215 * store the address into dst_ptr */
2216 tmp = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2218 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2219 mono_mb_emit_byte (mb, CEE_PREFIX1);
2220 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2221 mono_mb_emit_byte (mb, CEE_STLOC_1);
2222 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2223 mono_mb_emit_stloc (mb, tmp);
2225 /* emit valuetype conversion code */
2226 emit_struct_conv (mb, klass, FALSE);
2227 mono_mb_emit_ldloc (mb, tmp);
2228 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2229 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2230 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2234 g_warning ("return type 0x%02x unknown", sig->ret->type);
2235 g_assert_not_reached ();
2238 mono_mb_emit_byte (mb, CEE_RET);
2242 res = mono_mb_create_and_cache (cache, method,
2243 mb, csig, sig->param_count + 16);
2245 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2252 * mono_marshal_get_ldfld_wrapper:
2253 * @type: the type of the field
2255 * This method generates a function which can be use to load a field with type
2256 * @type from an object. The generated function has the following signature:
2257 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2260 mono_marshal_get_ldfld_wrapper (MonoType *type)
2262 MonoMethodSignature *sig, *csig;
2263 MonoMethodBuilder *mb;
2266 static GHashTable *ldfld_hash = NULL;
2273 if (type->type == MONO_TYPE_SZARRAY) {
2274 klass = mono_defaults.array_class;
2275 } else if (type->type == MONO_TYPE_VALUETYPE) {
2276 klass = type->data.klass;
2277 if (klass->enumtype) {
2278 t = klass->enum_basetype->type;
2279 klass = mono_class_from_mono_type (klass->enum_basetype);
2281 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2282 t == MONO_TYPE_CLASS) {
2283 klass = mono_defaults.object_class;
2284 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2285 klass = mono_defaults.int_class;
2287 klass = mono_class_from_mono_type (type);
2290 klass = mono_defaults.int_class;
2293 EnterCriticalSection (&marshal_mutex);
2295 ldfld_hash = g_hash_table_new (NULL, NULL);
2296 res = g_hash_table_lookup (ldfld_hash, klass);
2297 LeaveCriticalSection (&marshal_mutex);
2301 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2302 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2305 mb->method->save_lmf = 1;
2307 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2308 sig->params [0] = &mono_defaults.object_class->byval_arg;
2309 sig->params [1] = &mono_defaults.int_class->byval_arg;
2310 sig->params [2] = &mono_defaults.int_class->byval_arg;
2311 sig->params [3] = &mono_defaults.int_class->byval_arg;
2312 sig->ret = &klass->byval_arg;
2314 mono_mb_emit_ldarg (mb, 0);
2315 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2317 mono_mb_emit_ldarg (mb, 0);
2318 mono_mb_emit_ldarg (mb, 1);
2319 mono_mb_emit_ldarg (mb, 2);
2321 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2322 csig->params [0] = &mono_defaults.object_class->byval_arg;
2323 csig->params [1] = &mono_defaults.int_class->byval_arg;
2324 csig->params [2] = &mono_defaults.int_class->byval_arg;
2325 csig->ret = &klass->this_arg;
2328 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2330 if (klass->valuetype) {
2331 mono_mb_emit_byte (mb, CEE_UNBOX);
2332 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2333 mono_mb_emit_byte (mb, CEE_BR);
2335 mono_mb_emit_i4 (mb, 0);
2337 mono_mb_emit_byte (mb, CEE_RET);
2341 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2343 mono_mb_emit_ldarg (mb, 0);
2344 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2345 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2346 mono_mb_emit_ldarg (mb, 3);
2347 mono_mb_emit_byte (mb, CEE_ADD);
2349 if (klass->valuetype)
2350 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2355 case MONO_TYPE_BOOLEAN:
2356 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2358 case MONO_TYPE_CHAR:
2361 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2365 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2369 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2372 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2375 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2377 case MONO_TYPE_ARRAY:
2379 case MONO_TYPE_FNPTR:
2380 case MONO_TYPE_SZARRAY:
2381 case MONO_TYPE_OBJECT:
2382 case MONO_TYPE_CLASS:
2383 case MONO_TYPE_STRING:
2386 mono_mb_emit_byte (mb, CEE_LDIND_I);
2388 case MONO_TYPE_VALUETYPE:
2389 g_assert (!klass->enumtype);
2390 mono_mb_emit_byte (mb, CEE_LDOBJ);
2391 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2394 g_warning ("type %x not implemented", type->type);
2395 g_assert_not_reached ();
2398 mono_mb_emit_byte (mb, CEE_RET);
2400 res = mono_mb_create_and_cache (ldfld_hash, klass,
2401 mb, sig, sig->param_count + 16);
2408 * mono_marshal_get_stfld_wrapper:
2409 * @type: the type of the field
2411 * This method generates a function which can be use to store a field with type
2412 * @type. The generated function has the following signature:
2413 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2416 mono_marshal_get_stfld_wrapper (MonoType *type)
2418 MonoMethodSignature *sig, *csig;
2419 MonoMethodBuilder *mb;
2422 static GHashTable *stfld_hash = NULL;
2429 if (type->type == MONO_TYPE_SZARRAY) {
2430 klass = mono_defaults.array_class;
2431 } else if (type->type == MONO_TYPE_VALUETYPE) {
2432 klass = type->data.klass;
2433 if (klass->enumtype) {
2434 t = klass->enum_basetype->type;
2435 klass = mono_class_from_mono_type (klass->enum_basetype);
2437 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2438 t == MONO_TYPE_CLASS) {
2439 klass = mono_defaults.object_class;
2440 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2441 klass = mono_defaults.int_class;
2443 klass = mono_class_from_mono_type (type);
2446 klass = mono_defaults.int_class;
2449 EnterCriticalSection (&marshal_mutex);
2451 stfld_hash = g_hash_table_new (NULL, NULL);
2452 res = g_hash_table_lookup (stfld_hash, klass);
2453 LeaveCriticalSection (&marshal_mutex);
2457 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2458 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2461 mb->method->save_lmf = 1;
2463 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2464 sig->params [0] = &mono_defaults.object_class->byval_arg;
2465 sig->params [1] = &mono_defaults.int_class->byval_arg;
2466 sig->params [2] = &mono_defaults.int_class->byval_arg;
2467 sig->params [3] = &mono_defaults.int_class->byval_arg;
2468 sig->params [4] = &klass->byval_arg;
2469 sig->ret = &mono_defaults.void_class->byval_arg;
2471 mono_mb_emit_ldarg (mb, 0);
2472 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2474 mono_mb_emit_ldarg (mb, 0);
2475 mono_mb_emit_ldarg (mb, 1);
2476 mono_mb_emit_ldarg (mb, 2);
2477 mono_mb_emit_ldarg (mb, 4);
2479 if (klass->valuetype) {
2480 mono_mb_emit_byte (mb, CEE_BOX);
2481 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2484 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2485 csig->params [0] = &mono_defaults.object_class->byval_arg;
2486 csig->params [1] = &mono_defaults.int_class->byval_arg;
2487 csig->params [2] = &mono_defaults.int_class->byval_arg;
2488 csig->params [3] = &klass->this_arg;
2489 csig->ret = &mono_defaults.void_class->byval_arg;
2492 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2494 mono_mb_emit_byte (mb, CEE_RET);
2496 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2498 mono_mb_emit_ldarg (mb, 0);
2499 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2500 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2501 mono_mb_emit_ldarg (mb, 3);
2502 mono_mb_emit_byte (mb, CEE_ADD);
2503 mono_mb_emit_ldarg (mb, 4);
2508 case MONO_TYPE_BOOLEAN:
2509 mono_mb_emit_byte (mb, CEE_STIND_I1);
2511 case MONO_TYPE_CHAR:
2514 mono_mb_emit_byte (mb, CEE_STIND_I2);
2518 mono_mb_emit_byte (mb, CEE_STIND_I4);
2522 mono_mb_emit_byte (mb, CEE_STIND_I8);
2525 mono_mb_emit_byte (mb, CEE_STIND_R4);
2528 mono_mb_emit_byte (mb, CEE_STIND_R8);
2530 case MONO_TYPE_ARRAY:
2532 case MONO_TYPE_FNPTR:
2533 case MONO_TYPE_SZARRAY:
2534 case MONO_TYPE_OBJECT:
2535 case MONO_TYPE_CLASS:
2536 case MONO_TYPE_STRING:
2539 mono_mb_emit_byte (mb, CEE_STIND_I);
2541 case MONO_TYPE_VALUETYPE:
2542 g_assert (!klass->enumtype);
2543 mono_mb_emit_byte (mb, CEE_STOBJ);
2544 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2547 g_warning ("type %x not implemented", type->type);
2548 g_assert_not_reached ();
2551 mono_mb_emit_byte (mb, CEE_RET);
2553 res = mono_mb_create_and_cache (stfld_hash, klass,
2554 mb, sig, sig->param_count + 16);
2561 * generates IL code for the icall wrapper (the generated method
2562 * calls the unamnaged code in func)
2565 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2567 MonoMethodSignature *csig;
2568 MonoMethodBuilder *mb;
2572 g_assert (sig->pinvoke);
2574 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2576 mb->method->save_lmf = 1;
2578 /* we copy the signature, so that we can modify it */
2579 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2582 mono_mb_emit_byte (mb, CEE_LDARG_0);
2584 for (i = 0; i < sig->param_count; i++)
2585 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2587 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2589 mono_mb_emit_byte (mb, CEE_RET);
2591 csig = g_memdup (sig, sigsize);
2594 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2601 * generates IL code for the pinvoke wrapper (the generated method
2602 * calls the unmanaged code in method->addr)
2605 mono_marshal_get_native_wrapper (MonoMethod *method)
2607 MonoMethodSignature *sig, *csig;
2608 MonoMethodPInvoke *piinfo;
2609 MonoMethodBuilder *mb;
2610 MonoMarshalSpec **mspecs;
2614 gboolean pinvoke = FALSE;
2615 int i, pos, argnum, *tmp_locals;
2618 g_assert (method != NULL);
2619 g_assert (method->signature->pinvoke);
2621 cache = method->klass->image->native_wrapper_cache;
2622 if ((res = mono_marshal_find_in_cache (cache, method)))
2625 sig = method->signature;
2626 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2628 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2629 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2632 if (pinvoke && !method->addr)
2633 mono_lookup_pinvoke_call (method);
2635 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2637 mb->method->save_lmf = 1;
2639 piinfo = (MonoMethodPInvoke *)method;
2641 if (!method->addr) {
2642 mono_mb_emit_exception (mb);
2643 csig = g_memdup (sig, sigsize);
2645 res = mono_mb_create_and_cache (cache, method,
2646 mb, csig, csig->param_count + 16);
2651 /* internal calls: we simply push all arguments and call the method (no conversions) */
2652 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2654 /* hack - string constructors returns a value */
2655 if (method->string_ctor) {
2656 csig = g_memdup (sig, sigsize);
2657 csig->ret = &mono_defaults.string_class->byval_arg;
2662 mono_mb_emit_byte (mb, CEE_LDARG_0);
2664 for (i = 0; i < sig->param_count; i++)
2665 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2667 g_assert (method->addr);
2668 mono_mb_emit_native_call (mb, csig, method->addr);
2670 mono_mb_emit_byte (mb, CEE_RET);
2672 csig = g_memdup (csig, sigsize);
2674 res = mono_mb_create_and_cache (cache, method,
2675 mb, csig, csig->param_count + 16);
2682 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2683 mono_method_get_marshal_info (method, mspecs);
2685 /* pinvoke: we need to convert the arguments if necessary */
2687 /* we copy the signature, so that we can set pinvoke to 0 */
2688 csig = g_memdup (sig, sigsize);
2691 /* we allocate local for use with emit_struct_conv() */
2692 /* allocate local 0 (pointer) src_ptr */
2693 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2694 /* allocate local 1 (pointer) dst_ptr */
2695 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2696 /* allocate local 2 (boolean) delete_old */
2697 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2699 /* delete_old = FALSE */
2700 mono_mb_emit_icon (mb, 0);
2701 mono_mb_emit_byte (mb, CEE_STLOC_2);
2703 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2704 /* allocate local 3 to store the return value */
2705 mono_mb_add_local (mb, sig->ret);
2708 /* we first do all conversions */
2709 tmp_locals = alloca (sizeof (int) * sig->param_count);
2711 for (i = 0; i < sig->param_count; i ++) {
2712 MonoType *t = sig->params [i];
2713 MonoMarshalSpec *spec = mspecs [i + 1];
2715 argnum = i + sig->hasthis;
2718 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2721 MonoMethod *marshal_managed_to_native;
2722 MonoMethod *get_instance;
2724 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2725 g_assert (mtype != NULL);
2726 mklass = mono_class_from_mono_type (mtype);
2727 g_assert (mklass != NULL);
2729 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
2730 g_assert (marshal_managed_to_native);
2731 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2732 g_assert (get_instance);
2735 case MONO_TYPE_CLASS:
2736 case MONO_TYPE_OBJECT:
2737 case MONO_TYPE_STRING:
2738 case MONO_TYPE_ARRAY:
2739 case MONO_TYPE_SZARRAY:
2743 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2745 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2747 mono_mb_emit_byte (mb, CEE_CALL);
2748 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2750 mono_mb_emit_ldarg (mb, argnum);
2752 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2753 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
2755 mono_mb_emit_stloc (mb, tmp_locals [i]);
2758 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2759 g_assert_not_reached ();
2767 case MONO_TYPE_VALUETYPE:
2768 klass = t->data.klass;
2770 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2771 klass->blittable || klass->enumtype)
2774 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2776 /* store the address of the source into local variable 0 */
2778 mono_mb_emit_ldarg (mb, argnum);
2780 mono_mb_emit_ldarg_addr (mb, argnum);
2782 mono_mb_emit_byte (mb, CEE_STLOC_0);
2784 /* allocate space for the native struct and
2785 * store the address into local variable 1 (dest) */
2786 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2787 mono_mb_emit_byte (mb, CEE_PREFIX1);
2788 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2789 mono_mb_emit_stloc (mb, tmp_locals [i]);
2792 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2793 mono_mb_emit_byte (mb, CEE_BRFALSE);
2795 mono_mb_emit_i4 (mb, 0);
2799 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2800 mono_mb_emit_byte (mb, CEE_STLOC_1);
2802 /* emit valuetype conversion code */
2803 emit_struct_conv (mb, klass, FALSE);
2806 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2808 case MONO_TYPE_STRING:
2809 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2810 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2813 if (t->attrs & PARAM_ATTRIBUTE_OUT)
2816 mono_mb_emit_ldarg (mb, argnum);
2817 mono_mb_emit_byte (mb, CEE_LDIND_I);
2819 mono_mb_emit_ldarg (mb, argnum);
2822 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2823 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2826 switch (spec->native) {
2827 case MONO_NATIVE_LPWSTR:
2828 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
2830 case MONO_NATIVE_LPSTR:
2831 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2834 g_warning ("marshalling conversion %d not implemented", spec->native);
2835 g_assert_not_reached ();
2838 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
2839 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
2840 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2842 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
2843 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
2845 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
2846 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
2849 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2854 mono_mb_emit_stloc (mb, tmp_locals [i]);
2856 case MONO_TYPE_CLASS:
2857 case MONO_TYPE_OBJECT:
2858 klass = t->data.klass;
2860 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2861 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2863 if (klass->delegate) {
2864 g_assert (!t->byref);
2865 mono_mb_emit_ldarg (mb, argnum);
2866 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2867 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2868 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
2869 mono_mb_emit_stloc (mb, tmp_locals [i]);
2870 } else if (klass == mono_defaults.stringbuilder_class) {
2871 g_assert (!t->byref);
2872 mono_mb_emit_ldarg (mb, argnum);
2873 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2874 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2875 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
2876 mono_mb_emit_stloc (mb, tmp_locals [i]);
2878 mono_mb_emit_byte (mb, CEE_LDNULL);
2879 mono_mb_emit_stloc (mb, tmp_locals [i]);
2882 /* we dont need any conversions for out parameters */
2883 if (t->attrs & PARAM_ATTRIBUTE_OUT)
2886 mono_mb_emit_ldarg (mb, argnum);
2887 mono_mb_emit_byte (mb, CEE_LDIND_I);
2890 mono_mb_emit_ldarg (mb, argnum);
2891 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2892 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2895 /* store the address of the source into local variable 0 */
2896 mono_mb_emit_byte (mb, CEE_STLOC_0);
2897 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2898 mono_mb_emit_byte (mb, CEE_BRFALSE);
2900 mono_mb_emit_i4 (mb, 0);
2902 /* allocate space for the native struct and store the address */
2903 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2904 mono_mb_emit_byte (mb, CEE_PREFIX1);
2905 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2906 mono_mb_emit_stloc (mb, tmp_locals [i]);
2908 /* set the src_ptr */
2909 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2910 mono_mb_emit_icon (mb, sizeof (MonoObject));
2911 mono_mb_emit_byte (mb, CEE_ADD);
2912 mono_mb_emit_byte (mb, CEE_STLOC_0);
2915 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2916 mono_mb_emit_byte (mb, CEE_STLOC_1);
2918 /* emit valuetype conversion code */
2919 emit_struct_conv (mb, klass, FALSE);
2921 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2925 case MONO_TYPE_ARRAY:
2926 case MONO_TYPE_SZARRAY:
2930 klass = mono_class_from_mono_type (t);
2932 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2933 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2935 if (klass->element_class == mono_defaults.string_class) {
2936 mono_mb_emit_ldarg (mb, argnum);
2937 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2938 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2940 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
2941 mono_mb_emit_stloc (mb, tmp_locals [i]);
2943 else if (klass->element_class->blittable) {
2944 mono_mb_emit_ldarg (mb, argnum);
2945 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2946 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2948 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
2949 mono_mb_emit_stloc (mb, tmp_locals [i]);
2953 guint32 label1, label2, label3;
2957 mono_mb_emit_ldarg (mb, argnum);
2958 mono_mb_emit_stloc (mb, tmp_locals [i]);
2959 mono_mb_emit_ldarg (mb, argnum);
2960 mono_mb_emit_byte (mb, CEE_BRFALSE);
2962 mono_mb_emit_i4 (mb, 0);
2964 /* allocate space for the native struct and store the address */
2965 eklass = klass->element_class;
2966 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
2967 mono_mb_emit_ldarg (mb, argnum);
2968 mono_mb_emit_byte (mb, CEE_LDLEN);
2969 mono_mb_emit_byte (mb, CEE_MUL);
2970 mono_mb_emit_byte (mb, CEE_PREFIX1);
2971 mono_mb_emit_byte (mb, CEE_LOCALLOC);
2972 mono_mb_emit_stloc (mb, tmp_locals [i]);
2974 /* Emit marshalling loop */
2975 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2976 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2977 mono_mb_emit_stloc (mb, index_var);
2979 mono_mb_emit_ldloc (mb, index_var);
2980 mono_mb_emit_ldarg (mb, argnum);
2981 mono_mb_emit_byte (mb, CEE_LDLEN);
2982 mono_mb_emit_byte (mb, CEE_BGE);
2984 mono_mb_emit_i4 (mb, 0);
2986 /* Emit marshalling code */
2988 /* set the src_ptr */
2989 mono_mb_emit_ldarg (mb, argnum);
2990 mono_mb_emit_ldloc (mb, index_var);
2991 mono_mb_emit_byte (mb, CEE_LDELEMA);
2992 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
2993 mono_mb_emit_byte (mb, CEE_STLOC_0);
2996 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2997 mono_mb_emit_byte (mb, CEE_STLOC_1);
2999 /* emit valuetype conversion code */
3000 emit_struct_conv (mb, eklass, FALSE);
3002 mono_mb_emit_ldloc (mb, index_var);
3003 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
3004 mono_mb_emit_byte (mb, CEE_ADD);
3005 mono_mb_emit_stloc (mb, index_var);
3006 mono_mb_emit_byte (mb, CEE_BR);
3007 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3009 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3010 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3017 /* push all arguments */
3020 mono_mb_emit_byte (mb, CEE_LDARG_0);
3022 for (i = 0; i < sig->param_count; i++) {
3023 MonoType *t = sig->params [i];
3025 argnum = i + sig->hasthis;
3028 case MONO_TYPE_BOOLEAN:
3030 g_warning ("byref boolean marshalling not inplemented");
3031 mono_mb_emit_ldarg (mb, argnum);
3046 mono_mb_emit_ldarg (mb, argnum);
3048 case MONO_TYPE_VALUETYPE:
3049 klass = sig->params [i]->data.klass;
3050 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3051 klass->blittable || klass->enumtype) {
3052 mono_mb_emit_ldarg (mb, argnum);
3055 g_assert (tmp_locals [i]);
3056 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3058 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3059 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3060 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3063 case MONO_TYPE_STRING:
3064 case MONO_TYPE_CLASS:
3065 case MONO_TYPE_OBJECT:
3066 g_assert (tmp_locals [i]);
3068 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3070 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3072 case MONO_TYPE_CHAR:
3073 /* fixme: dont know how to marshal that. We cant simply
3074 * convert it to a one byte UTF8 character, because an
3075 * unicode character may need more that one byte in UTF8 */
3076 mono_mb_emit_ldarg (mb, argnum);
3078 case MONO_TYPE_ARRAY:
3079 case MONO_TYPE_SZARRAY:
3081 mono_mb_emit_ldarg (mb, argnum);
3083 g_assert (tmp_locals [i]);
3084 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3087 case MONO_TYPE_TYPEDBYREF:
3088 case MONO_TYPE_FNPTR:
3090 g_warning ("type 0x%02x unknown", t->type);
3091 g_assert_not_reached ();
3095 /* call the native method */
3096 mono_mb_emit_native_call (mb, csig, method->addr);
3098 /* convert the result */
3099 if (!sig->ret->byref) {
3100 MonoMarshalSpec *spec = mspecs [0];
3101 type = sig->ret->type;
3103 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3106 MonoMethod *marshal_native_to_managed;
3107 MonoMethod *get_instance;
3109 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3110 g_assert (mtype != NULL);
3111 mklass = mono_class_from_mono_type (mtype);
3112 g_assert (mklass != NULL);
3114 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3115 g_assert (marshal_native_to_managed);
3116 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3117 g_assert (get_instance);
3120 case MONO_TYPE_CLASS:
3121 case MONO_TYPE_OBJECT:
3122 case MONO_TYPE_STRING:
3123 case MONO_TYPE_ARRAY:
3124 case MONO_TYPE_SZARRAY:
3125 mono_mb_emit_byte (mb, CEE_STLOC_3);
3127 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3129 mono_mb_emit_byte (mb, CEE_CALL);
3130 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3132 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3134 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3135 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3137 mono_mb_emit_byte (mb, CEE_STLOC_3);
3140 g_warning ("custom marshalling of type %x is currently not supported", type);
3141 g_assert_not_reached ();
3148 case MONO_TYPE_VOID:
3163 /* no conversions necessary */
3164 mono_mb_emit_byte (mb, CEE_STLOC_3);
3166 case MONO_TYPE_BOOLEAN:
3167 /* maybe we need to make sure that it fits within 8 bits */
3168 mono_mb_emit_byte (mb, CEE_STLOC_3);
3170 case MONO_TYPE_VALUETYPE:
3171 klass = sig->ret->data.klass;
3172 if (klass->enumtype) {
3173 type = sig->ret->data.klass->enum_basetype->type;
3177 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3179 mono_mb_emit_byte (mb, CEE_STLOC_3);
3182 /* load pointer to returned value type */
3183 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3184 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3185 /* store the address of the source into local variable 0 */
3186 mono_mb_emit_byte (mb, CEE_STLOC_0);
3188 mono_mb_emit_ldloc_addr (mb, 3);
3189 mono_mb_emit_byte (mb, CEE_STLOC_1);
3191 /* emit valuetype conversion code */
3192 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3194 case MONO_TYPE_STRING:
3195 #ifdef GTK_SHARP_FIXED
3196 mono_mb_emit_byte (mb, CEE_STLOC_0);
3197 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3200 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3201 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3203 switch (spec->native) {
3204 case MONO_NATIVE_LPWSTR:
3205 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3208 g_warning ("marshalling conversion not implemented");
3209 g_assert_not_reached ();
3212 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3214 mono_mb_emit_byte (mb, CEE_STLOC_3);
3216 #ifdef GTK_SHARP_FIXED
3217 /* free the string */
3218 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3219 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3220 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3223 case MONO_TYPE_CLASS:
3224 case MONO_TYPE_OBJECT:
3225 klass = sig->ret->data.klass;
3228 mono_mb_emit_byte (mb, CEE_STLOC_0);
3230 mono_mb_emit_byte (mb, CEE_LDNULL);
3231 mono_mb_emit_byte (mb, CEE_STLOC_3);
3234 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3235 mono_mb_emit_byte (mb, CEE_BRFALSE);
3237 mono_mb_emit_i4 (mb, 0);
3239 /* allocate result object */
3241 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3242 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3243 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3244 mono_mb_emit_byte (mb, CEE_STLOC_3);
3248 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3249 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3250 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3251 mono_mb_emit_icon (mb, sizeof (MonoObject));
3252 mono_mb_emit_byte (mb, CEE_ADD);
3253 mono_mb_emit_byte (mb, CEE_STLOC_1);
3255 /* emit conversion code */
3256 emit_struct_conv (mb, klass, TRUE);
3258 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3260 case MONO_TYPE_ARRAY:
3261 case MONO_TYPE_SZARRAY:
3262 /* fixme: we need conversions here */
3263 mono_mb_emit_byte (mb, CEE_STLOC_3);
3265 case MONO_TYPE_CHAR:
3266 /* fixme: we need conversions here */
3267 mono_mb_emit_byte (mb, CEE_STLOC_3);
3269 case MONO_TYPE_TYPEDBYREF:
3270 case MONO_TYPE_FNPTR:
3272 g_warning ("return type 0x%02x unknown", sig->ret->type);
3273 g_assert_not_reached ();
3277 mono_mb_emit_byte (mb, CEE_STLOC_3);
3280 /* we need to convert byref arguments back and free string arrays */
3281 for (i = 0; i < sig->param_count; i++) {
3282 MonoType *t = sig->params [i];
3284 argnum = i + sig->hasthis;
3287 case MONO_TYPE_STRING:
3288 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3289 mono_mb_emit_ldarg (mb, argnum);
3290 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3291 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3292 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3293 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3294 mono_mb_emit_byte (mb, CEE_STIND_I);
3296 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3297 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3298 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3301 case MONO_TYPE_CLASS:
3302 case MONO_TYPE_OBJECT:
3303 if (t->data.klass == mono_defaults.stringbuilder_class) {
3304 g_assert (!t->byref);
3305 mono_mb_emit_ldarg (mb, argnum);
3306 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3307 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3308 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3309 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3310 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3311 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3312 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3316 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3319 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3320 /* allocate a new object new object */
3321 mono_mb_emit_ldarg (mb, argnum);
3322 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3323 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3324 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3325 mono_mb_emit_byte (mb, CEE_STIND_I);
3328 /* dst = *argument */
3329 mono_mb_emit_ldarg (mb, argnum);
3332 mono_mb_emit_byte (mb, CEE_LDIND_I);
3334 mono_mb_emit_byte (mb, CEE_STLOC_1);
3336 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3337 mono_mb_emit_byte (mb, CEE_BRFALSE);
3339 mono_mb_emit_i4 (mb, 0);
3341 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3342 mono_mb_emit_icon (mb, sizeof (MonoObject));
3343 mono_mb_emit_byte (mb, CEE_ADD);
3344 mono_mb_emit_byte (mb, CEE_STLOC_1);
3346 /* src = tmp_locals [i] */
3347 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3348 mono_mb_emit_byte (mb, CEE_STLOC_0);
3350 /* emit valuetype conversion code */
3351 emit_struct_conv (mb, klass, TRUE);
3353 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3355 case MONO_TYPE_VALUETYPE:
3359 klass = t->data.klass;
3360 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3361 klass->blittable || klass->enumtype)
3364 /* dst = argument */
3365 mono_mb_emit_ldarg (mb, argnum);
3366 mono_mb_emit_byte (mb, CEE_STLOC_1);
3368 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3369 mono_mb_emit_byte (mb, CEE_BRFALSE);
3371 mono_mb_emit_i4 (mb, 0);
3373 /* src = tmp_locals [i] */
3374 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3375 mono_mb_emit_byte (mb, CEE_STLOC_0);
3377 /* emit valuetype conversion code */
3378 emit_struct_conv (mb, klass, TRUE);
3380 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3382 case MONO_TYPE_SZARRAY:
3386 klass = mono_class_from_mono_type (t);
3388 if (klass->element_class == mono_defaults.string_class) {
3389 g_assert (tmp_locals [i]);
3391 mono_mb_emit_ldarg (mb, argnum);
3392 mono_mb_emit_byte (mb, CEE_BRFALSE);
3394 mono_mb_emit_i4 (mb, 0);
3396 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3397 mono_mb_emit_ldarg (mb, argnum);
3398 mono_mb_emit_byte (mb, CEE_LDLEN);
3399 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3400 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3401 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3403 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3411 if (!MONO_TYPE_IS_VOID(sig->ret))
3412 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3414 mono_mb_emit_byte (mb, CEE_RET);
3416 csig = g_memdup (sig, sigsize);
3418 res = mono_mb_create_and_cache (cache, method,
3419 mb, csig, csig->param_count + 16);
3422 for (i = sig->param_count; i >= 0; i--)
3423 g_free (mspecs [i]);
3426 //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));
3432 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
3435 mono_marshal_get_struct_to_ptr (MonoClass *klass)
3437 MonoMethodBuilder *mb;
3438 static MonoMethod *stoptr = NULL;
3441 g_assert (klass != NULL);
3443 if (klass->str_to_ptr)
3444 return klass->str_to_ptr;
3447 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
3450 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
3452 if (klass->blittable) {
3453 mono_mb_emit_byte (mb, CEE_LDARG_1);
3454 mono_mb_emit_byte (mb, CEE_LDARG_0);
3455 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3456 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3457 mono_mb_emit_byte (mb, CEE_PREFIX1);
3458 mono_mb_emit_byte (mb, CEE_CPBLK);
3461 /* allocate local 0 (pointer) src_ptr */
3462 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3463 /* allocate local 1 (pointer) dst_ptr */
3464 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3465 /* allocate local 2 (boolean) delete_old */
3466 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
3467 mono_mb_emit_byte (mb, CEE_LDARG_2);
3468 mono_mb_emit_byte (mb, CEE_STLOC_2);
3470 /* initialize src_ptr to point to the start of object data */
3471 mono_mb_emit_byte (mb, CEE_LDARG_0);
3472 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3473 mono_mb_emit_byte (mb, CEE_STLOC_0);
3475 /* initialize dst_ptr */
3476 mono_mb_emit_byte (mb, CEE_LDARG_1);
3477 mono_mb_emit_byte (mb, CEE_STLOC_1);
3479 emit_struct_conv (mb, klass, FALSE);
3482 mono_mb_emit_byte (mb, CEE_RET);
3484 res = mono_mb_create_method (mb, stoptr->signature, 0);
3487 klass->str_to_ptr = res;
3492 * generates IL code for PtrToStructure (IntPtr src, object structure)
3495 mono_marshal_get_ptr_to_struct (MonoClass *klass)
3497 MonoMethodBuilder *mb;
3498 static MonoMethod *ptostr = NULL;
3501 g_assert (klass != NULL);
3503 if (klass->ptr_to_str)
3504 return klass->ptr_to_str;
3507 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
3510 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
3512 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
3513 mono_mb_emit_byte (mb, CEE_LDARG_1);
3514 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3515 mono_mb_emit_byte (mb, CEE_LDARG_0);
3516 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
3517 mono_mb_emit_byte (mb, CEE_PREFIX1);
3518 mono_mb_emit_byte (mb, CEE_CPBLK);
3521 /* allocate local 0 (pointer) src_ptr */
3522 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3523 /* allocate local 1 (pointer) dst_ptr */
3524 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3526 /* initialize src_ptr to point to the start of object data */
3527 mono_mb_emit_byte (mb, CEE_LDARG_0);
3528 mono_mb_emit_byte (mb, CEE_STLOC_0);
3530 /* initialize dst_ptr */
3531 mono_mb_emit_byte (mb, CEE_LDARG_1);
3532 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
3533 mono_mb_emit_byte (mb, CEE_STLOC_1);
3535 emit_struct_conv (mb, klass, TRUE);
3538 mono_mb_emit_byte (mb, CEE_RET);
3540 res = mono_mb_create_method (mb, ptostr->signature, 0);
3543 klass->ptr_to_str = res;
3547 static MonoReflectionType *
3548 type_from_handle (MonoType *handle)
3550 MonoDomain *domain = mono_domain_get ();
3551 MonoClass *klass = mono_class_from_mono_type (handle);
3553 MONO_ARCH_SAVE_REGS;
3555 mono_class_init (klass);
3556 return mono_type_get_object (domain, handle);
3560 * generates IL code for the synchronized wrapper: the generated method
3561 * calls METHOD while locking 'this' or the parent type.
3564 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
3566 static MonoMethodSignature *from_handle_sig = NULL;
3567 static MonoMethod *enter_method, *exit_method;
3568 MonoMethodSignature *sig;
3569 MonoExceptionClause *clause;
3570 MonoMethodHeader *header;
3571 MonoMethodBuilder *mb;
3574 int i, pos, this_local, ret_local;
3578 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
3581 cache = method->klass->image->synchronized_cache;
3582 if ((res = mono_marshal_find_in_cache (cache, method)))
3585 sig = method->signature;
3587 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
3590 if (!MONO_TYPE_IS_VOID (sig->ret))
3591 ret_local = mono_mb_add_local (mb, sig->ret);
3594 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
3596 clause = g_new0 (MonoExceptionClause, 1);
3597 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
3599 if (!enter_method) {
3600 MonoMethodDesc *desc;
3602 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
3603 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3604 g_assert (enter_method);
3605 mono_method_desc_free (desc);
3606 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
3607 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
3608 g_assert (exit_method);
3609 mono_method_desc_free (desc);
3612 * GetTypeFromHandle isn't called as a managed method because it has
3613 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
3614 * transformed into something else by the JIT.
3616 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3617 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
3618 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
3621 /* Push this or the type object */
3622 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
3623 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3624 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
3625 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
3626 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
3629 mono_mb_emit_ldarg (mb, 0);
3630 mono_mb_emit_stloc (mb, this_local);
3632 /* Call Monitor::Enter() */
3633 mono_mb_emit_ldloc (mb, this_local);
3634 mono_mb_emit_managed_call (mb, enter_method, NULL);
3636 clause->try_offset = mb->pos;
3638 /* Call the method */
3640 mono_mb_emit_ldarg (mb, 0);
3641 for (i = 0; i < sig->param_count; i++)
3642 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
3643 mono_mb_emit_managed_call (mb, method, method->signature);
3644 if (!MONO_TYPE_IS_VOID (sig->ret))
3645 mono_mb_emit_stloc (mb, ret_local);
3647 mono_mb_emit_byte (mb, CEE_LEAVE);
3649 mono_mb_emit_i4 (mb, 0);
3651 clause->try_len = mb->pos - clause->try_offset;
3652 clause->handler_offset = mb->pos;
3654 /* Call Monitor::Exit() */
3655 mono_mb_emit_ldloc (mb, this_local);
3656 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
3657 mono_mb_emit_managed_call (mb, exit_method, NULL);
3658 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
3660 clause->handler_len = mb->pos - clause->handler_offset;
3662 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3663 if (!MONO_TYPE_IS_VOID (sig->ret))
3664 mono_mb_emit_ldloc (mb, ret_local);
3665 mono_mb_emit_byte (mb, CEE_RET);
3667 res = mono_mb_create_and_cache (cache, method,
3668 mb, sig, sig->param_count + 16);
3671 header = ((MonoMethodNormal *)res)->header;
3672 header->num_clauses = 1;
3673 header->clauses = clause;
3678 /* FIXME: on win32 we should probably use GlobalAlloc(). */
3680 mono_marshal_alloc (gpointer size)
3682 MONO_ARCH_SAVE_REGS;
3684 return g_try_malloc ((gulong)size);
3688 mono_marshal_free (gpointer ptr)
3690 MONO_ARCH_SAVE_REGS;
3696 mono_marshal_free_array (gpointer *ptr, int size)
3703 for (i = 0; i < size; i++)
3709 mono_marshal_realloc (gpointer ptr, gpointer size)
3711 MONO_ARCH_SAVE_REGS;
3713 return g_try_realloc (ptr, (gulong)size);
3717 mono_marshal_string_array (MonoArray *array)
3725 len = mono_array_length (array);
3727 result = g_malloc (sizeof (char *) * (len + 1));
3728 for (i = 0; i < len; ++i) {
3729 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
3730 result [i] = s ? mono_string_to_utf8 (s): NULL;
3732 /* null terminate the array */
3739 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
3740 gpointer dest, gint32 length)
3745 MONO_ARCH_SAVE_REGS;
3747 MONO_CHECK_ARG_NULL (src);
3748 MONO_CHECK_ARG_NULL (dest);
3750 g_assert (src->obj.vtable->klass->rank == 1);
3751 g_assert (start_index >= 0);
3752 g_assert (length >= 0);
3753 g_assert (start_index + length <= mono_array_length (src));
3755 element_size = mono_array_element_size (src->obj.vtable->klass);
3757 source_addr = mono_array_addr_with_size (src, element_size, start_index);
3759 memcpy (dest, source_addr, length * element_size);
3763 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
3764 MonoArray *dest, gint32 length)
3769 MONO_ARCH_SAVE_REGS;
3771 MONO_CHECK_ARG_NULL (src);
3772 MONO_CHECK_ARG_NULL (dest);
3774 g_assert (dest->obj.vtable->klass->rank == 1);
3775 g_assert (start_index >= 0);
3776 g_assert (length >= 0);
3777 g_assert (start_index + length <= mono_array_length (dest));
3779 element_size = mono_array_element_size (dest->obj.vtable->klass);
3781 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
3783 memcpy (dest_addr, src, length * element_size);
3787 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
3791 MONO_ARCH_SAVE_REGS;
3793 return *(gpointer*)(p + offset);
3797 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
3801 MONO_ARCH_SAVE_REGS;
3803 return *(unsigned char*)(p + offset);
3807 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
3811 MONO_ARCH_SAVE_REGS;
3813 return *(gint16*)(p + offset);
3817 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
3821 MONO_ARCH_SAVE_REGS;
3823 return *(gint32*)(p + offset);
3827 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
3831 MONO_ARCH_SAVE_REGS;
3833 return *(gint64*)(p + offset);
3837 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
3841 MONO_ARCH_SAVE_REGS;
3843 *(unsigned char*)(p + offset) = val;
3847 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
3851 MONO_ARCH_SAVE_REGS;
3853 *(gpointer*)(p + offset) = val;
3857 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
3861 MONO_ARCH_SAVE_REGS;
3863 *(gint16*)(p + offset) = val;
3867 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
3871 MONO_ARCH_SAVE_REGS;
3873 *(gint32*)(p + offset) = val;
3877 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
3881 MONO_ARCH_SAVE_REGS;
3883 *(gint64*)(p + offset) = val;
3887 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
3889 MONO_ARCH_SAVE_REGS;
3891 return mono_string_new (mono_domain_get (), ptr);
3895 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
3897 MONO_ARCH_SAVE_REGS;
3899 return mono_string_new_len (mono_domain_get (), ptr, len);
3903 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
3905 MonoDomain *domain = mono_domain_get ();
3909 MONO_ARCH_SAVE_REGS;
3914 return mono_string_new_utf16 (domain, ptr, len);
3918 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
3920 MonoDomain *domain = mono_domain_get ();
3922 MONO_ARCH_SAVE_REGS;
3924 return mono_string_new_utf16 (domain, ptr, len);
3928 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
3930 MONO_ARCH_SAVE_REGS;
3932 g_warning ("PtrToStringBSTR not implemented");
3933 g_assert_not_reached ();
3939 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
3941 MONO_ARCH_SAVE_REGS;
3943 return (GetLastError ());
3947 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
3951 MONO_ARCH_SAVE_REGS;
3953 MONO_CHECK_ARG_NULL (rtype);
3955 klass = mono_class_from_mono_type (rtype->type);
3957 return mono_class_native_size (klass, NULL);
3961 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
3966 MONO_ARCH_SAVE_REGS;
3968 MONO_CHECK_ARG_NULL (obj);
3969 MONO_CHECK_ARG_NULL (dst);
3971 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
3975 pa [2] = &delete_old;
3977 mono_runtime_invoke (method, NULL, pa, NULL);
3981 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
3986 MONO_ARCH_SAVE_REGS;
3988 MONO_CHECK_ARG_NULL (src);
3989 MONO_CHECK_ARG_NULL (dst);
3991 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
3996 mono_runtime_invoke (method, NULL, pa, NULL);
4000 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4002 MonoDomain *domain = mono_domain_get ();
4005 MONO_ARCH_SAVE_REGS;
4007 MONO_CHECK_ARG_NULL (src);
4008 MONO_CHECK_ARG_NULL (type);
4010 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4012 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4018 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4020 MonoMarshalType *info;
4023 int i, match_index = -1;
4025 MONO_ARCH_SAVE_REGS;
4027 MONO_CHECK_ARG_NULL (type);
4028 MONO_CHECK_ARG_NULL (field_name);
4030 fname = mono_string_to_utf8 (field_name);
4031 klass = mono_class_from_mono_type (type->type);
4033 while(klass && match_index == -1) {
4034 for (i = 0; i < klass->field.count; ++i) {
4035 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4041 if(match_index == -1)
4042 klass = klass->parent;
4047 if(match_index == -1) {
4051 /* Get back original class instance */
4052 klass = mono_class_from_mono_type (type->type);
4054 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4055 exc = mono_get_exception_argument ("fieldName", tmp);
4058 mono_raise_exception ((MonoException*)exc);
4061 info = mono_marshal_load_type_info (klass);
4062 return info->fields [match_index].offset;
4066 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4068 MONO_ARCH_SAVE_REGS;
4070 return mono_string_to_utf8 (string);
4074 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4076 MONO_ARCH_SAVE_REGS;
4078 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4082 mono_struct_delete_old (MonoClass *klass, char *ptr)
4084 MonoMarshalType *info;
4087 info = mono_marshal_load_type_info (klass);
4089 for (i = 0; i < info->num_fields; i++) {
4090 MonoMarshalNative ntype;
4091 MonoMarshalConv conv;
4092 MonoType *ftype = info->fields [i].field->type;
4095 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4098 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4099 klass->unicode, &conv);
4101 cpos = ptr + info->fields [i].offset;
4104 case MONO_MARSHAL_CONV_NONE:
4105 if (MONO_TYPE_ISSTRUCT (ftype)) {
4106 mono_struct_delete_old (ftype->data.klass, cpos);
4110 case MONO_MARSHAL_CONV_STR_LPWSTR:
4111 case MONO_MARSHAL_CONV_STR_LPSTR:
4112 case MONO_MARSHAL_CONV_STR_LPTSTR:
4113 case MONO_MARSHAL_CONV_STR_BSTR:
4114 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4115 case MONO_MARSHAL_CONV_STR_TBSTR:
4116 g_free (*(gpointer *)cpos);
4125 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4129 MONO_ARCH_SAVE_REGS;
4131 MONO_CHECK_ARG_NULL (src);
4132 MONO_CHECK_ARG_NULL (type);
4134 klass = mono_class_from_mono_type (type->type);
4136 mono_struct_delete_old (klass, (char *)src);
4140 mono_marshal_load_type_info (MonoClass* klass)
4142 int i, j, count = 0, native_size = 0;
4143 MonoMarshalType *info;
4146 g_assert (klass != NULL);
4148 if (klass->marshal_info)
4149 return klass->marshal_info;
4152 mono_class_init (klass);
4154 for (i = 0; i < klass->field.count; ++i) {
4155 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4160 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
4162 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
4163 info->num_fields = count;
4165 /* Try to find a size for this type in metadata */
4166 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
4168 if (klass->parent) {
4169 int parent_size = mono_class_native_size (klass->parent, NULL);
4171 /* Add parent size to real size */
4172 native_size += parent_size;
4173 info->native_size = parent_size;
4176 for (j = i = 0; i < klass->field.count; ++i) {
4179 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
4182 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
4183 mono_metadata_field_info (klass->image, klass->field.first + i,
4184 NULL, NULL, &info->fields [j].mspec);
4186 info->fields [j].field = &klass->fields [i];
4188 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
4189 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
4190 /* This field is a hack inserted by MCS to empty structures */
4195 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
4196 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
4197 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
4198 &align, TRUE, klass->unicode);
4199 align = klass->packing_size ? MIN (klass->packing_size, align): align;
4200 info->fields [j].offset = info->native_size;
4201 info->fields [j].offset += align - 1;
4202 info->fields [j].offset &= ~(align - 1);
4203 info->native_size = info->fields [j].offset + size;
4205 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
4207 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
4208 info->native_size = klass->instance_size - sizeof (MonoObject);
4214 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4215 info->native_size = MAX (native_size, info->native_size);
4218 if (info->native_size & (klass->min_align - 1)) {
4219 info->native_size += klass->min_align - 1;
4220 info->native_size &= ~(klass->min_align - 1);
4223 return klass->marshal_info;
4227 * mono_class_native_size:
4230 * Returns: the native size of an object instance (when marshaled
4231 * to unmanaged code)
4234 mono_class_native_size (MonoClass *klass, guint32 *align)
4237 if (!klass->marshal_info)
4238 mono_marshal_load_type_info (klass);
4241 *align = klass->min_align;
4243 return klass->marshal_info->native_size;
4247 * mono_type_native_stack_size:
4248 * @t: the type to return the size it uses on the stack
4250 * Returns: the number of bytes required to hold an instance of this
4251 * type on the native stack
4254 mono_type_native_stack_size (MonoType *t, gint *align)
4258 g_assert (t != NULL);
4269 case MONO_TYPE_BOOLEAN:
4270 case MONO_TYPE_CHAR:
4279 case MONO_TYPE_STRING:
4280 case MONO_TYPE_OBJECT:
4281 case MONO_TYPE_CLASS:
4282 case MONO_TYPE_SZARRAY:
4284 case MONO_TYPE_FNPTR:
4285 case MONO_TYPE_ARRAY:
4286 case MONO_TYPE_TYPEDBYREF:
4297 case MONO_TYPE_VALUETYPE: {
4300 if (t->data.klass->enumtype)
4301 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
4303 size = mono_class_native_size (t->data.klass, align);
4304 *align = *align + 3;
4314 g_error ("type 0x%02x unknown", t->type);
4319 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
4320 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
4321 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
4322 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
4325 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
4326 gboolean as_field, gboolean unicode)
4328 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
4331 switch (native_type) {
4332 case MONO_NATIVE_BOOLEAN:
4335 case MONO_NATIVE_I1:
4336 case MONO_NATIVE_U1:
4339 case MONO_NATIVE_I2:
4340 case MONO_NATIVE_U2:
4343 case MONO_NATIVE_I4:
4344 case MONO_NATIVE_U4:
4345 case MONO_NATIVE_ERROR:
4348 case MONO_NATIVE_I8:
4349 case MONO_NATIVE_U8:
4350 *align = ALIGNMENT(guint64);
4352 case MONO_NATIVE_R4:
4355 case MONO_NATIVE_R8:
4356 *align = ALIGNMENT(double);
4358 case MONO_NATIVE_INT:
4359 case MONO_NATIVE_UINT:
4360 case MONO_NATIVE_LPSTR:
4361 case MONO_NATIVE_LPWSTR:
4362 case MONO_NATIVE_LPTSTR:
4363 case MONO_NATIVE_BSTR:
4364 case MONO_NATIVE_ANSIBSTR:
4365 case MONO_NATIVE_TBSTR:
4366 case MONO_NATIVE_LPARRAY:
4367 case MONO_NATIVE_SAFEARRAY:
4368 case MONO_NATIVE_IUNKNOWN:
4369 case MONO_NATIVE_IDISPATCH:
4370 case MONO_NATIVE_INTERFACE:
4371 case MONO_NATIVE_ASANY:
4372 case MONO_NATIVE_VARIANTBOOL:
4373 case MONO_NATIVE_FUNC:
4374 case MONO_NATIVE_LPSTRUCT:
4375 *align = ALIGNMENT(gpointer);
4376 return sizeof (gpointer);
4377 case MONO_NATIVE_STRUCT:
4378 klass = mono_class_from_mono_type (type);
4379 return mono_class_native_size (klass, align);
4380 case MONO_NATIVE_BYVALTSTR: {
4381 int esize = unicode ? 2: 1;
4384 return mspec->data.array_data.num_elem * esize;
4386 case MONO_NATIVE_BYVALARRAY: {
4388 klass = mono_class_from_mono_type (type);
4389 esize = mono_class_native_size (klass->element_class, align);
4391 return mspec->data.array_data.num_elem * esize;
4393 case MONO_NATIVE_CUSTOM:
4394 g_assert_not_reached ();
4396 case MONO_NATIVE_CURRENCY:
4397 case MONO_NATIVE_VBBYREFSTR:
4399 g_error ("native type %02x not implemented", native_type);
4402 g_assert_not_reached ();