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"
22 //#define DEBUG_RUNTIME_CODE
24 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
28 #include "mono/cil/opcode.def"
33 struct _MonoMethodBuilder {
37 guint32 code_size, pos;
42 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
44 #ifdef DEBUG_RUNTIME_CODE
46 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
48 return g_strdup (" ");
51 static MonoDisHelper marshal_dh = {
62 mono_delegate_to_ftnptr (MonoDelegate *delegate)
64 MonoMethod *method, *wrapper;
70 if (delegate->delegate_trampoline)
71 return delegate->delegate_trampoline;
73 klass = ((MonoObject *)delegate)->vtable->klass;
74 g_assert (klass->delegate);
76 method = delegate->method_info->method;
77 wrapper = mono_marshal_get_managed_wrapper (method, (MonoObject *)delegate);
79 delegate->delegate_trampoline = mono_compile_method (wrapper);
81 return delegate->delegate_trampoline;
85 mono_array_to_savearray (MonoArray *array)
90 g_assert_not_reached ();
95 mono_array_to_lparray (MonoArray *array)
100 /* fixme: maybe we need to make a copy */
101 return array->vector;
105 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
107 GError *error = NULL;
117 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
119 if (items_written > sb->capacity)
120 items_written = sb->capacity;
123 memcpy (sb->chars->vector, ut, items_written * 2);
124 sb->length = items_written;
126 g_error_free (error);
132 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
139 res = g_malloc (sb->capacity + 1);
141 /* fixme: copy the content of the string builder? */
148 mono_string_to_ansibstr (MonoString *string_obj)
150 g_error ("implement me");
155 mono_string_to_bstr (MonoString *string_obj)
157 g_error ("implement me");
162 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
167 g_assert (dst != NULL);
171 memset (dst, 0, size);
175 s = mono_string_to_utf8 (src);
176 len = MIN (size, strlen (s));
177 memcpy (dst, s, len);
180 *((char *)dst + size - 1) = 0;
184 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
188 g_assert (dst != NULL);
192 memset (dst, 0, size);
196 len = MIN (size, (mono_string_length (src) * 2));
197 memcpy (dst, mono_string_chars (src), len);
199 *((char *)dst + size - 1) = 0;
200 *((char *)dst + size - 2) = 0;
205 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
207 MonoMethod *res = NULL;
210 for (i = 0; i < klass->method.count; ++i) {
211 if ((klass->methods [i]->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
212 klass->methods [i]->name[0] == name [0] &&
213 !strcmp (name, klass->methods [i]->name) &&
214 klass->methods [i]->signature->param_count == param_count) {
215 res = klass->methods [i];
223 mono_mb_free (MonoMethodBuilder *mb)
225 g_list_free (mb->locals_list);
230 mono_mb_new (MonoClass *klass, const char *name)
232 MonoMethodBuilder *mb;
235 g_assert (klass != NULL);
236 g_assert (name != NULL);
238 mb = g_new0 (MonoMethodBuilder, 1);
240 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
243 m->name = g_strdup (name);
245 m->inline_count = -1;
246 m->wrapper_type = MONO_WRAPPER_UNKNOWN;
249 mb->code = g_malloc (mb->code_size);
255 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
257 int res = mb->locals;
259 g_assert (mb != NULL);
260 g_assert (type != NULL);
262 mb->locals_list = g_list_append (mb->locals_list, type);
269 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
271 MonoMethodHeader *header;
275 g_assert (mb != NULL);
277 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
278 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
283 header->max_stack = max_stack;
285 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
286 header->locals [i] = (MonoType *)l->data;
289 mb->method->signature = signature;
290 header->code = mb->code;
291 header->code_size = mb->pos;
292 header->num_locals = mb->locals;
294 #ifdef DEBUG_RUNTIME_CODE
295 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
296 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
303 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
305 MonoMethodWrapper *mw;
307 g_assert (mb != NULL);
309 mw = (MonoMethodWrapper *)mb->method;
311 mw->data = g_list_append (mw->data, data);
313 return g_list_length (mw->data);
317 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
319 *((gint32 *)(&mb->code [pos])) = value;
323 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
325 *((gint8 *)(&mb->code [pos])) = value;
329 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
331 if (mb->pos >= mb->code_size) {
333 mb->code = g_realloc (mb->code, mb->code_size);
336 mb->code [mb->pos++] = op;
340 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
342 if ((mb->pos + 4) >= mb->code_size) {
344 mb->code = g_realloc (mb->code, mb->code_size);
347 *((gint32 *)(&mb->code [mb->pos])) = data;
352 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
354 if ((mb->pos + 2) >= mb->code_size) {
356 mb->code = g_realloc (mb->code, mb->code_size);
359 *((gint16 *)(&mb->code [mb->pos])) = data;
364 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
367 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
368 } else if (argnum < 256) {
369 mono_mb_emit_byte (mb, CEE_LDARG_S);
370 mono_mb_emit_byte (mb, argnum);
372 mono_mb_emit_byte (mb, CEE_PREFIX1);
373 mono_mb_emit_byte (mb, CEE_LDARG);
374 mono_mb_emit_i4 (mb, argnum);
379 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
382 mono_mb_emit_byte (mb, CEE_LDARGA_S);
383 mono_mb_emit_byte (mb, argnum);
385 mono_mb_emit_byte (mb, CEE_PREFIX1);
386 mono_mb_emit_byte (mb, CEE_LDARGA);
387 mono_mb_emit_i4 (mb, argnum);
392 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
395 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
396 mono_mb_emit_byte (mb, locnum);
398 mono_mb_emit_byte (mb, CEE_PREFIX1);
399 mono_mb_emit_byte (mb, CEE_LDLOCA);
400 mono_mb_emit_i4 (mb, locnum);
405 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
408 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
409 } else if (num < 256) {
410 mono_mb_emit_byte (mb, CEE_LDLOC_S);
411 mono_mb_emit_byte (mb, num);
413 mono_mb_emit_byte (mb, CEE_PREFIX1);
414 mono_mb_emit_byte (mb, CEE_LDLOC);
415 mono_mb_emit_i4 (mb, num);
420 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
423 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
424 } else if (num < 256) {
425 mono_mb_emit_byte (mb, CEE_STLOC_S);
426 mono_mb_emit_byte (mb, num);
428 mono_mb_emit_byte (mb, CEE_PREFIX1);
429 mono_mb_emit_byte (mb, CEE_STLOC);
430 mono_mb_emit_i4 (mb, num);
435 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
437 if (value >= -1 && value < 8) {
438 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
439 } else if (value >= -128 && value <= 127) {
440 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
441 mono_mb_emit_byte (mb, value);
443 mono_mb_emit_byte (mb, CEE_LDC_I4);
444 mono_mb_emit_i4 (mb, value);
449 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
452 opt_sig = method->signature;
453 mono_mb_emit_byte (mb, CEE_PREFIX1);
454 mono_mb_emit_byte (mb, CEE_LDFTN);
455 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
456 mono_mb_emit_byte (mb, CEE_CALLI);
457 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
461 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
463 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
464 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
465 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
466 mono_mb_emit_byte (mb, CEE_CALLI);
467 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
471 mono_mb_emit_exception (MonoMethodBuilder *mb)
473 /* fixme: we need a better way to throw exception,
474 * supporting several exception types and messages */
475 mono_mb_emit_byte (mb, CEE_LDNULL);
476 mono_mb_emit_byte (mb, CEE_THROW);
481 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint8 local, gint8 incr)
483 mono_mb_emit_ldloc (mb, local);
484 mono_mb_emit_icon (mb, incr);
485 mono_mb_emit_byte (mb, CEE_ADD);
486 mono_mb_emit_stloc (mb, local);
490 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
491 int usize, int msize)
494 case MONO_MARSHAL_CONV_BOOL_I4:
495 mono_mb_emit_byte (mb, CEE_LDLOC_0);
496 mono_mb_emit_byte (mb, CEE_LDIND_I);
497 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
498 mono_mb_emit_byte (mb, 5);
499 mono_mb_emit_byte (mb, CEE_LDLOC_1);
500 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
501 mono_mb_emit_byte (mb, CEE_STIND_I1);
502 mono_mb_emit_byte (mb, CEE_BR_S);
503 mono_mb_emit_byte (mb, 3);
504 mono_mb_emit_byte (mb, CEE_LDLOC_1);
505 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
506 mono_mb_emit_byte (mb, CEE_STIND_I1);
508 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
512 if (type->type == MONO_TYPE_ARRAY)
513 eclass = mono_class_from_mono_type (type->data.array->type);
514 else if (type->type == MONO_TYPE_SZARRAY) {
515 eclass = mono_class_from_mono_type (type->data.type);
517 g_assert_not_reached ();
520 if (eclass->valuetype)
521 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
523 esize = sizeof (gpointer);
525 /* create a new array */
526 /* fixme: this only works for SZARRAYS */
527 mono_mb_emit_byte (mb, CEE_LDLOC_1);
528 mono_mb_emit_icon (mb, msize / esize);
529 mono_mb_emit_byte (mb, CEE_NEWARR);
530 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
531 mono_mb_emit_byte (mb, CEE_STIND_I);
533 /* copy the elements */
534 mono_mb_emit_byte (mb, CEE_LDLOC_1);
535 mono_mb_emit_byte (mb, CEE_LDIND_I);
536 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
537 mono_mb_emit_byte (mb, CEE_ADD);
538 mono_mb_emit_byte (mb, CEE_LDLOC_0);
539 mono_mb_emit_icon (mb, usize);
540 mono_mb_emit_byte (mb, CEE_PREFIX1);
541 mono_mb_emit_byte (mb, CEE_CPBLK);
545 case MONO_MARSHAL_CONV_STR_BYVALSTR:
546 mono_mb_emit_byte (mb, CEE_LDLOC_1);
547 mono_mb_emit_byte (mb, CEE_LDLOC_0);
548 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
549 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
550 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
551 mono_mb_emit_byte (mb, CEE_STIND_I);
553 case MONO_MARSHAL_CONV_STR_LPTSTR:
554 case MONO_MARSHAL_CONV_STR_LPSTR:
555 mono_mb_emit_byte (mb, CEE_LDLOC_1);
556 mono_mb_emit_byte (mb, CEE_LDLOC_0);
557 mono_mb_emit_byte (mb, CEE_LDIND_I);
558 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
559 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
560 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
561 mono_mb_emit_byte (mb, CEE_STIND_I);
563 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
564 MonoClass *klass = mono_class_from_mono_type (type);
565 int src_var, dst_var;
567 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
568 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
570 /* *dst = new object */
571 mono_mb_emit_byte (mb, CEE_LDLOC_1);
572 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
573 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
574 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
575 mono_mb_emit_byte (mb, CEE_STIND_I);
577 /* save the old src pointer */
578 mono_mb_emit_byte (mb, CEE_LDLOC_0);
579 mono_mb_emit_stloc (mb, src_var);
580 /* save the old dst pointer */
581 mono_mb_emit_byte (mb, CEE_LDLOC_1);
582 mono_mb_emit_stloc (mb, dst_var);
584 /* dst = pointer to newly created object data */
585 mono_mb_emit_byte (mb, CEE_LDLOC_1);
586 mono_mb_emit_byte (mb, CEE_LDIND_I);
587 mono_mb_emit_icon (mb, sizeof (MonoObject));
588 mono_mb_emit_byte (mb, CEE_ADD);
589 mono_mb_emit_byte (mb, CEE_STLOC_1);
591 emit_struct_conv (mb, klass, TRUE);
593 /* restore the old src pointer */
594 mono_mb_emit_ldloc (mb, src_var);
595 mono_mb_emit_byte (mb, CEE_STLOC_0);
596 /* restore the old dst pointer */
597 mono_mb_emit_ldloc (mb, dst_var);
598 mono_mb_emit_byte (mb, CEE_STLOC_1);
601 case MONO_MARSHAL_CONV_STR_LPWSTR:
602 case MONO_MARSHAL_CONV_STR_BSTR:
603 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
604 case MONO_MARSHAL_CONV_STR_TBSTR:
605 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
606 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
607 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
608 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
610 g_warning ("marshaling conversion %d not implemented", conv);
611 g_assert_not_reached ();
616 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize)
621 case MONO_MARSHAL_CONV_BOOL_I4:
622 mono_mb_emit_byte (mb, CEE_LDLOC_1);
623 mono_mb_emit_byte (mb, CEE_LDLOC_0);
624 mono_mb_emit_byte (mb, CEE_LDIND_U1);
625 mono_mb_emit_byte (mb, CEE_STIND_I4);
627 case MONO_MARSHAL_CONV_STR_LPWSTR:
628 case MONO_MARSHAL_CONV_STR_LPSTR:
629 case MONO_MARSHAL_CONV_STR_LPTSTR:
630 case MONO_MARSHAL_CONV_STR_BSTR:
631 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
632 case MONO_MARSHAL_CONV_STR_TBSTR:
633 /* free space if free == true */
634 mono_mb_emit_byte (mb, CEE_LDLOC_2);
635 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
636 mono_mb_emit_byte (mb, 4);
637 mono_mb_emit_byte (mb, CEE_LDLOC_1);
638 mono_mb_emit_byte (mb, CEE_LDIND_I);
639 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
640 mono_mb_emit_byte (mb, CEE_MONO_FREE);
642 mono_mb_emit_byte (mb, CEE_LDLOC_1);
643 mono_mb_emit_byte (mb, CEE_LDLOC_0);
644 mono_mb_emit_byte (mb, CEE_LDIND_I);
645 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
646 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
647 mono_mb_emit_byte (mb, conv);
648 mono_mb_emit_byte (mb, CEE_STIND_I);
650 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
651 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
652 mono_mb_emit_byte (mb, CEE_LDLOC_1);
653 mono_mb_emit_byte (mb, CEE_LDLOC_0);
654 mono_mb_emit_byte (mb, CEE_LDIND_I);
655 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
656 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
657 mono_mb_emit_byte (mb, conv);
658 mono_mb_emit_byte (mb, CEE_STIND_I);
660 case MONO_MARSHAL_CONV_STR_BYVALSTR:
661 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
665 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
666 mono_mb_emit_byte (mb, CEE_LDLOC_0);
667 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
668 mono_mb_emit_icon (mb, usize);
669 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
670 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
671 mono_mb_emit_byte (mb, conv);
674 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
678 mono_mb_emit_byte (mb, CEE_LDLOC_0);
679 mono_mb_emit_byte (mb, CEE_LDIND_I);
680 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
682 mono_mb_emit_byte (mb, 0);
684 mono_mb_emit_byte (mb, CEE_LDLOC_1);
685 mono_mb_emit_byte (mb, CEE_LDLOC_0);
686 mono_mb_emit_byte (mb, CEE_LDIND_I);
687 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
688 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
689 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
690 mono_mb_emit_byte (mb, CEE_ADD);
691 mono_mb_emit_icon (mb, usize);
692 mono_mb_emit_byte (mb, CEE_PREFIX1);
693 mono_mb_emit_byte (mb, CEE_CPBLK);
694 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
697 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
698 int src_var, dst_var;
700 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
701 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
703 mono_mb_emit_byte (mb, CEE_LDLOC_0);
704 mono_mb_emit_byte (mb, CEE_LDIND_I);
705 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
707 mono_mb_emit_byte (mb, 0);
709 /* save the old src pointer */
710 mono_mb_emit_byte (mb, CEE_LDLOC_0);
711 mono_mb_emit_stloc (mb, src_var);
712 /* save the old dst pointer */
713 mono_mb_emit_byte (mb, CEE_LDLOC_1);
714 mono_mb_emit_stloc (mb, dst_var);
716 /* src = pointer to object data */
717 mono_mb_emit_byte (mb, CEE_LDLOC_0);
718 mono_mb_emit_byte (mb, CEE_LDIND_I);
719 mono_mb_emit_icon (mb, sizeof (MonoObject));
720 mono_mb_emit_byte (mb, CEE_ADD);
721 mono_mb_emit_byte (mb, CEE_STLOC_0);
723 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
725 /* restore the old src pointer */
726 mono_mb_emit_ldloc (mb, src_var);
727 mono_mb_emit_byte (mb, CEE_STLOC_0);
728 /* restore the old dst pointer */
729 mono_mb_emit_ldloc (mb, dst_var);
730 mono_mb_emit_byte (mb, CEE_STLOC_1);
732 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
735 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
737 g_warning ("marshalling conversion %d not implemented", conv);
738 g_assert_not_reached ();
743 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
745 MonoMarshalType *info;
748 info = mono_marshal_load_type_info (klass);
750 for (i = 0; i < info->num_fields; i++) {
751 MonoMarshalNative ntype;
752 MonoMarshalConv conv;
753 MonoType *ftype = info->fields [i].field->type;
756 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
758 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
761 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
764 msize = klass->instance_size - info->fields [i].field->offset;
765 usize = info->native_size - info->fields [i].offset;
767 msize = klass->fields [i + 1].offset - info->fields [i].field->offset;
768 usize = info->fields [i + 1].offset - info->fields [i].offset;
770 g_assert (msize > 0 && usize > 0);
773 case MONO_MARSHAL_CONV_NONE: {
776 if (ftype->byref || ftype->type == MONO_TYPE_I ||
777 ftype->type == MONO_TYPE_U) {
778 mono_mb_emit_byte (mb, CEE_LDLOC_1);
779 mono_mb_emit_byte (mb, CEE_LDLOC_0);
780 mono_mb_emit_byte (mb, CEE_LDIND_I);
781 mono_mb_emit_byte (mb, CEE_STIND_I);
790 mono_mb_emit_byte (mb, CEE_LDLOC_1);
791 mono_mb_emit_byte (mb, CEE_LDLOC_0);
792 mono_mb_emit_byte (mb, CEE_LDIND_I4);
793 mono_mb_emit_byte (mb, CEE_STIND_I4);
797 case MONO_TYPE_BOOLEAN:
798 mono_mb_emit_byte (mb, CEE_LDLOC_1);
799 mono_mb_emit_byte (mb, CEE_LDLOC_0);
800 mono_mb_emit_byte (mb, CEE_LDIND_I1);
801 mono_mb_emit_byte (mb, CEE_STIND_I1);
805 mono_mb_emit_byte (mb, CEE_LDLOC_1);
806 mono_mb_emit_byte (mb, CEE_LDLOC_0);
807 mono_mb_emit_byte (mb, CEE_LDIND_I2);
808 mono_mb_emit_byte (mb, CEE_STIND_I2);
812 mono_mb_emit_byte (mb, CEE_LDLOC_1);
813 mono_mb_emit_byte (mb, CEE_LDLOC_0);
814 mono_mb_emit_byte (mb, CEE_LDIND_I8);
815 mono_mb_emit_byte (mb, CEE_STIND_I8);
818 mono_mb_emit_byte (mb, CEE_LDLOC_1);
819 mono_mb_emit_byte (mb, CEE_LDLOC_0);
820 mono_mb_emit_byte (mb, CEE_LDIND_R4);
821 mono_mb_emit_byte (mb, CEE_STIND_R4);
824 mono_mb_emit_byte (mb, CEE_LDLOC_1);
825 mono_mb_emit_byte (mb, CEE_LDLOC_0);
826 mono_mb_emit_byte (mb, CEE_LDIND_R8);
827 mono_mb_emit_byte (mb, CEE_STIND_R8);
829 case MONO_TYPE_VALUETYPE:
830 if (ftype->data.klass->enumtype) {
831 t = ftype->data.klass->enum_basetype->type;
834 emit_struct_conv (mb, ftype->data.klass, to_object);
837 g_warning ("marshaling type %02x not implemented", ftype->type);
838 g_assert_not_reached ();
844 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize);
846 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize);
850 mono_mb_emit_add_to_local (mb, 0, usize);
851 mono_mb_emit_add_to_local (mb, 1, msize);
853 mono_mb_emit_add_to_local (mb, 0, msize);
854 mono_mb_emit_add_to_local (mb, 1, usize);
859 static MonoAsyncResult *
860 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
862 MonoMethodMessage *msg;
863 MonoDelegate *async_callback;
867 MonoMethod *method = NULL;
872 klass = delegate->object.vtable->klass;
874 method = mono_get_delegate_invoke (klass);
875 for (i = 0; i < klass->method.count; ++i) {
876 if (klass->methods [i]->name[0] == 'B' &&
877 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
878 method = klass->methods [i];
883 g_assert (method != NULL);
885 im = mono_get_delegate_invoke (method->klass);
887 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
889 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
893 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
895 int i, params_var, tmp_var;
897 /* allocate local (pointer) *params[] */
898 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
899 /* allocate local (pointer) tmp */
900 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
902 /* alloate space on stack to store an array of pointers to the arguments */
903 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
904 mono_mb_emit_byte (mb, CEE_PREFIX1);
905 mono_mb_emit_byte (mb, CEE_LOCALLOC);
906 mono_mb_emit_stloc (mb, params_var);
909 mono_mb_emit_ldloc (mb, params_var);
910 mono_mb_emit_stloc (mb, tmp_var);
912 if (save_this && sig->hasthis) {
913 mono_mb_emit_ldloc (mb, tmp_var);
914 mono_mb_emit_ldarg_addr (mb, 0);
915 mono_mb_emit_byte (mb, CEE_STIND_I);
916 /* tmp = tmp + sizeof (gpointer) */
917 if (sig->param_count)
918 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
922 for (i = 0; i < sig->param_count; i++) {
923 mono_mb_emit_ldloc (mb, tmp_var);
924 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
925 mono_mb_emit_byte (mb, CEE_STIND_I);
926 /* tmp = tmp + sizeof (gpointer) */
927 if (i < (sig->param_count - 1))
928 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
935 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
939 GString *res = g_string_new ("");
942 g_string_append (res, prefix);
943 g_string_append_c (res, '_');
946 mono_type_get_desc (res, sig->ret, FALSE);
948 for (i = 0; i < sig->param_count; ++i) {
949 g_string_append_c (res, '_');
950 mono_type_get_desc (res, sig->params [i], FALSE);
953 g_string_free (res, FALSE);
958 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
960 MonoMethodSignature *sig;
961 static MonoMethodSignature *csig = NULL;
962 MonoMethodBuilder *mb;
968 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
969 !strcmp (method->name, "BeginInvoke"));
971 sig = method->signature;
973 cache = method->klass->image->delegate_begin_invoke_cache;
974 if ((res = (MonoMethod *)g_hash_table_lookup (cache, sig)))
977 g_assert (sig->hasthis);
980 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
981 csig = g_malloc0 (sigsize);
983 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
984 csig->param_count = 2;
985 csig->ret = &mono_defaults.object_class->byval_arg;
986 csig->params [0] = &mono_defaults.object_class->byval_arg;
987 csig->params [1] = &mono_defaults.int_class->byval_arg;
990 name = mono_signature_to_name (sig, "begin_invoke");
991 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name);
994 mb->method->wrapper_type = MONO_WRAPPER_DELEGATE_BEGIN_INVOKE;
995 mb->method->save_lmf = 1;
997 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
999 mono_mb_emit_ldarg (mb, 0);
1000 mono_mb_emit_ldloc (mb, params_var);
1001 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1002 mono_mb_emit_byte (mb, CEE_RET);
1004 res = mono_mb_create_method (mb, sig, 0);
1006 g_hash_table_insert (cache, sig, res);
1011 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1013 MonoDomain *domain = mono_domain_get ();
1014 MonoAsyncResult *ares;
1015 MonoMethod *method = NULL;
1016 MonoMethodSignature *sig;
1017 MonoMethodMessage *msg;
1018 MonoObject *res, *exc;
1019 MonoArray *out_args;
1023 g_assert (delegate);
1025 if (!delegate->method_info || !delegate->method_info->method)
1026 g_assert_not_reached ();
1028 klass = delegate->object.vtable->klass;
1030 for (i = 0; i < klass->method.count; ++i) {
1031 if (klass->methods [i]->name[0] == 'E' &&
1032 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1033 method = klass->methods [i];
1038 g_assert (method != NULL);
1040 sig = method->signature;
1042 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1044 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1047 res = mono_thread_pool_finish (ares, &out_args, &exc);
1050 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1052 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1054 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1056 mono_raise_exception ((MonoException*)exc);
1059 mono_method_return_message_restore (method, params, out_args);
1064 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1066 if (return_type->byref)
1067 return_type = &mono_defaults.int_class->byval_arg;
1068 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1069 return_type = return_type->data.klass->enum_basetype;
1071 switch (return_type->type) {
1072 case MONO_TYPE_VOID:
1073 g_assert_not_reached ();
1075 case MONO_TYPE_STRING:
1076 case MONO_TYPE_CLASS:
1077 case MONO_TYPE_OBJECT:
1078 case MONO_TYPE_ARRAY:
1079 case MONO_TYPE_SZARRAY:
1083 case MONO_TYPE_BOOLEAN:
1084 mono_mb_emit_byte (mb, CEE_UNBOX);
1085 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1086 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1089 mono_mb_emit_byte (mb, CEE_UNBOX);
1090 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1091 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1094 case MONO_TYPE_CHAR:
1095 mono_mb_emit_byte (mb, CEE_UNBOX);
1096 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1097 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1100 mono_mb_emit_byte (mb, CEE_UNBOX);
1101 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1102 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1106 mono_mb_emit_byte (mb, CEE_UNBOX);
1107 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1108 mono_mb_emit_byte (mb, CEE_LDIND_I);
1111 mono_mb_emit_byte (mb, CEE_UNBOX);
1112 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1113 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1116 mono_mb_emit_byte (mb, CEE_UNBOX);
1117 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1118 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1122 mono_mb_emit_byte (mb, CEE_UNBOX);
1123 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1124 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1127 mono_mb_emit_byte (mb, CEE_UNBOX);
1128 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1129 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1132 mono_mb_emit_byte (mb, CEE_UNBOX);
1133 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1134 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1136 case MONO_TYPE_VALUETYPE: {
1138 mono_mb_emit_byte (mb, CEE_UNBOX);
1139 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1140 mono_mb_emit_i4 (mb, class);
1141 mono_mb_emit_byte (mb, CEE_LDOBJ);
1142 mono_mb_emit_i4 (mb, class);
1146 g_warning ("type 0x%x not handled", return_type->type);
1147 g_assert_not_reached ();
1150 mono_mb_emit_byte (mb, CEE_RET);
1154 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1156 MonoMethodSignature *sig;
1157 static MonoMethodSignature *csig = NULL;
1158 MonoMethodBuilder *mb;
1164 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1165 !strcmp (method->name, "EndInvoke"));
1167 sig = method->signature;
1169 cache = method->klass->image->delegate_end_invoke_cache;
1170 if ((res = (MonoMethod *)g_hash_table_lookup (cache, sig)))
1173 g_assert (sig->hasthis);
1176 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1177 csig = g_malloc0 (sigsize);
1179 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1180 csig->param_count = 2;
1181 csig->ret = &mono_defaults.object_class->byval_arg;
1182 csig->params [0] = &mono_defaults.object_class->byval_arg;
1183 csig->params [1] = &mono_defaults.int_class->byval_arg;
1186 name = mono_signature_to_name (sig, "end_invoke");
1187 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name);
1190 mb->method->wrapper_type = MONO_WRAPPER_DELEGATE_END_INVOKE;
1191 mb->method->save_lmf = 1;
1193 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1195 mono_mb_emit_ldarg (mb, 0);
1196 mono_mb_emit_ldloc (mb, params_var);
1197 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1199 if (sig->ret->type == MONO_TYPE_VOID)
1200 mono_mb_emit_byte (mb, CEE_POP);
1202 mono_mb_emit_restore_result (mb, sig->ret);
1204 res = mono_mb_create_method (mb, sig, 0);
1206 g_hash_table_insert (cache, sig, res);
1211 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1213 MonoMethodMessage *msg;
1214 MonoTransparentProxy *this;
1215 MonoObject *res, *exc;
1216 MonoArray *out_args;
1218 this = *((MonoTransparentProxy **)params [0]);
1221 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1223 /* skip the this pointer */
1226 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1228 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1231 mono_raise_exception ((MonoException *)exc);
1233 mono_method_return_message_restore (method, params, out_args);
1239 mono_marshal_get_remoting_invoke (MonoMethod *method)
1241 MonoMethodSignature *sig;
1242 static MonoMethodSignature *csig = NULL;
1243 MonoMethodBuilder *mb;
1250 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1253 sig = method->signature;
1255 /* we cant remote methods without this pointer */
1259 cache = method->klass->image->remoting_invoke_cache;
1260 if ((res = (MonoMethod *)g_hash_table_lookup (cache, method)))
1264 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1265 csig = g_malloc0 (sigsize);
1267 /* MonoObject *remoting_wrapper (MonoMethod *method, gpointer params[]) */
1268 csig->param_count = 2;
1269 csig->ret = &mono_defaults.object_class->byval_arg;
1270 csig->params [0] = &mono_defaults.int_class->byval_arg;
1271 csig->params [1] = &mono_defaults.int_class->byval_arg;
1274 mb = mono_mb_new (method->klass, method->name);
1275 mb->method->wrapper_type = MONO_WRAPPER_REMOTING_INVOKE;
1277 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1279 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1280 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1281 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1282 mono_mb_emit_ldloc (mb, params_var);
1283 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1285 if (sig->ret->type == MONO_TYPE_VOID)
1286 mono_mb_emit_byte (mb, CEE_POP);
1288 mono_mb_emit_restore_result (mb, sig->ret);
1290 res = mono_mb_create_method (mb, sig, 0);
1292 g_hash_table_insert (cache, method, res);
1297 * the returned method invokes all methods in a multicast delegate
1300 mono_marshal_get_delegate_invoke (MonoMethod *method)
1302 MonoMethodSignature *sig, *static_sig;
1304 MonoMethodBuilder *mb;
1310 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1311 !strcmp (method->name, "Invoke"));
1313 sig = method->signature;
1315 cache = method->klass->image->delegate_invoke_cache;
1316 if ((res = (MonoMethod *)g_hash_table_lookup (cache, sig)))
1319 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1320 static_sig = g_memdup (sig, sigsize);
1321 static_sig->hasthis = 0;
1323 name = mono_signature_to_name (sig, "invoke");
1324 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name);
1327 mb->method->wrapper_type = MONO_WRAPPER_DELEGATE_INVOKE;
1329 /* allocate local 0 (object) prev */
1330 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1331 /* allocate local 1 (object) target */
1332 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1333 /* allocate local 2 (pointer) mptr */
1334 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1336 /* allocate local 3 to store the return value */
1337 if (sig->ret->type != MONO_TYPE_VOID)
1338 mono_mb_add_local (mb, sig->ret);
1340 g_assert (sig->hasthis);
1342 /* prev = addr of delegate */
1343 mono_mb_emit_ldarg (mb, 0);
1344 mono_mb_emit_stloc (mb, 0);
1348 /* target = delegate->target */
1349 mono_mb_emit_ldloc (mb, 0);
1350 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1351 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1352 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1353 mono_mb_emit_byte (mb, CEE_ADD);
1354 mono_mb_emit_byte (mb, CEE_LDIND_I);
1355 mono_mb_emit_stloc (mb, 1);
1357 /* mptr = delegate->method_ptr */
1358 mono_mb_emit_ldloc (mb, 0);
1359 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1360 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1361 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1362 mono_mb_emit_byte (mb, CEE_ADD);
1363 mono_mb_emit_byte (mb, CEE_LDIND_I);
1364 mono_mb_emit_stloc (mb, 2);
1366 /* target == null ? */
1367 mono_mb_emit_ldloc (mb, 1);
1368 mono_mb_emit_byte (mb, CEE_BRTRUE);
1370 mono_mb_emit_i4 (mb, 0);
1372 /* emit static method call */
1374 for (i = 0; i < sig->param_count; i++)
1375 mono_mb_emit_ldarg (mb, i + 1);
1377 mono_mb_emit_ldloc (mb, 2);
1378 mono_mb_emit_byte (mb, CEE_CALLI);
1379 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1381 if (sig->ret->type != MONO_TYPE_VOID)
1382 mono_mb_emit_stloc (mb, 3);
1384 mono_mb_emit_byte (mb, CEE_BR);
1386 mono_mb_emit_i4 (mb, 0);
1388 /* target != null, emit non static method call */
1390 mono_mb_patch_addr (mb, pos [1], mb->pos - (pos [1] + 4));
1391 mono_mb_emit_ldloc (mb, 1);
1393 for (i = 0; i < sig->param_count; i++)
1394 mono_mb_emit_ldarg (mb, i + 1);
1396 mono_mb_emit_ldloc (mb, 2);
1397 mono_mb_emit_byte (mb, CEE_CALLI);
1398 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1400 if (sig->ret->type != MONO_TYPE_VOID)
1401 mono_mb_emit_stloc (mb, 3);
1403 mono_mb_patch_addr (mb, pos [2], mb->pos - (pos [2] + 4));
1405 /* prev = delegate->prev */
1406 mono_mb_emit_ldloc (mb, 0);
1407 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1408 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1409 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1410 mono_mb_emit_byte (mb, CEE_ADD);
1411 mono_mb_emit_byte (mb, CEE_LDIND_I);
1412 mono_mb_emit_stloc (mb, 0);
1414 /* if prev != null goto loop */
1415 mono_mb_emit_ldloc (mb, 0);
1416 mono_mb_emit_byte (mb, CEE_BRTRUE);
1417 mono_mb_emit_i4 (mb, pos [0] - (mb->pos + 4));
1419 if (sig->ret->type != MONO_TYPE_VOID)
1420 mono_mb_emit_ldloc (mb, 3);
1422 mono_mb_emit_byte (mb, CEE_RET);
1424 res = mono_mb_create_method (mb, sig, 0);
1427 g_hash_table_insert (cache, sig, res);
1433 * generates IL code for the runtime invoke function
1434 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1436 * we also catch exceptions if exc != null
1439 mono_marshal_get_runtime_invoke (MonoMethod *method)
1441 MonoMethodSignature *sig, *csig;
1442 MonoExceptionClause *clause;
1443 MonoMethodHeader *header;
1444 MonoMethodBuilder *mb;
1447 static MonoString *string_dummy = NULL;
1448 int i, pos, sigsize;
1452 cache = method->klass->image->runtime_invoke_cache;
1453 if ((res = (MonoMethod *)g_hash_table_lookup (cache, method)))
1456 /* to make it work with our special string constructors */
1458 string_dummy = mono_string_new_wrapper ("dummy");
1460 sig = method->signature;
1462 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1463 csig = g_malloc0 (sigsize);
1465 csig->param_count = 3;
1466 csig->ret = &mono_defaults.object_class->byval_arg;
1467 csig->params [0] = &mono_defaults.object_class->byval_arg;
1468 csig->params [1] = &mono_defaults.int_class->byval_arg;
1469 csig->params [2] = &mono_defaults.int_class->byval_arg;
1471 mb = mono_mb_new (method->klass, method->name);
1472 mb->method->wrapper_type = MONO_WRAPPER_RUNTIME_INVOKE;
1474 /* allocate local 0 (object) tmp */
1475 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1476 /* allocate local 1 (object) exc */
1477 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1479 /* cond set *exc to null */
1480 mono_mb_emit_byte (mb, CEE_LDARG_2);
1481 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1482 mono_mb_emit_byte (mb, 3);
1483 mono_mb_emit_byte (mb, CEE_LDARG_2);
1484 mono_mb_emit_byte (mb, CEE_LDNULL);
1485 mono_mb_emit_byte (mb, CEE_STIND_I);
1488 if (method->string_ctor) {
1489 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1490 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1491 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1493 mono_mb_emit_ldarg (mb, 0);
1497 for (i = 0; i < sig->param_count; i++) {
1498 MonoType *t = sig->params [i];
1501 mono_mb_emit_ldarg (mb, 1);
1503 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1504 mono_mb_emit_byte (mb, CEE_ADD);
1506 mono_mb_emit_byte (mb, CEE_LDIND_I);
1511 type = sig->params [i]->type;
1515 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1517 case MONO_TYPE_BOOLEAN:
1519 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1522 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1525 case MONO_TYPE_CHAR:
1526 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1530 mono_mb_emit_byte (mb, CEE_LDIND_I);
1533 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1536 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1539 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1542 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1546 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1548 case MONO_TYPE_STRING:
1549 case MONO_TYPE_CLASS:
1550 case MONO_TYPE_ARRAY:
1552 case MONO_TYPE_SZARRAY:
1553 case MONO_TYPE_OBJECT:
1556 case MONO_TYPE_VALUETYPE:
1557 if (t->data.klass->enumtype) {
1558 type = t->data.klass->enum_basetype->type;
1561 mono_mb_emit_byte (mb, CEE_LDOBJ);
1562 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1565 g_assert_not_reached ();
1569 if (method->string_ctor) {
1570 MonoMethodSignature *strsig;
1572 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1573 strsig = g_memdup (sig, sigsize);
1574 strsig->ret = &mono_defaults.string_class->byval_arg;
1576 mono_mb_emit_managed_call (mb, method, strsig);
1578 mono_mb_emit_managed_call (mb, method, NULL);
1580 if (sig->ret->byref) {
1582 g_assert_not_reached ();
1585 switch (sig->ret->type) {
1586 case MONO_TYPE_VOID:
1587 if (!method->string_ctor)
1588 mono_mb_emit_byte (mb, CEE_LDNULL);
1602 case MONO_TYPE_VALUETYPE:
1603 /* box value types */
1604 mono_mb_emit_byte (mb, CEE_BOX);
1605 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1607 case MONO_TYPE_STRING:
1608 case MONO_TYPE_CLASS:
1609 case MONO_TYPE_ARRAY:
1610 case MONO_TYPE_SZARRAY:
1611 case MONO_TYPE_OBJECT:
1616 g_assert_not_reached ();
1619 mono_mb_emit_stloc (mb, 0);
1621 mono_mb_emit_byte (mb, CEE_LEAVE);
1623 mono_mb_emit_i4 (mb, 0);
1625 clause = g_new0 (MonoExceptionClause, 1);
1626 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1627 clause->try_len = mb->pos;
1630 clause->token_or_filter = mb->pos;
1632 mono_mb_emit_byte (mb, CEE_POP);
1633 mono_mb_emit_byte (mb, CEE_LDARG_2);
1634 mono_mb_emit_byte (mb, CEE_PREFIX1);
1635 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1637 clause->handler_offset = mb->pos;
1640 /* store exception */
1641 mono_mb_emit_stloc (mb, 1);
1643 mono_mb_emit_byte (mb, CEE_LDARG_2);
1644 mono_mb_emit_ldloc (mb, 1);
1645 mono_mb_emit_byte (mb, CEE_STIND_I);
1647 mono_mb_emit_byte (mb, CEE_LEAVE);
1648 mono_mb_emit_i4 (mb, 0);
1650 clause->handler_len = mb->pos - clause->handler_offset;
1653 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1654 mono_mb_emit_ldloc (mb, 0);
1655 mono_mb_emit_byte (mb, CEE_RET);
1657 res = mono_mb_create_method (mb, csig, 0);
1660 header = ((MonoMethodNormal *)res)->header;
1661 header->num_clauses = 1;
1662 header->clauses = clause;
1664 g_hash_table_insert (cache, method, res);
1670 * generates IL code to call managed methods from unmanaged code
1673 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this)
1675 MonoMethodSignature *sig, *csig;
1676 MonoMethodBuilder *mb;
1680 int i, pos, sigsize, *tmp_locals;
1682 g_assert (method != NULL);
1684 cache = method->klass->image->managed_wrapper_cache;
1685 if ((res = (MonoMethod *)g_hash_table_lookup (cache, method)))
1688 sig = method->signature;
1690 mb = mono_mb_new (method->klass, method->name);
1691 mb->method->wrapper_type = MONO_WRAPPER_NATIVE_TO_MANAGED;
1693 /* allocate local 0 (pointer) src_ptr */
1694 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1695 /* allocate local 1 (pointer) dst_ptr */
1696 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1697 /* allocate local 2 (boolean) delete_old */
1698 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1700 mono_mb_emit_byte (mb, CEE_LDNULL);
1701 mono_mb_emit_byte (mb, CEE_STLOC_2);
1703 /* we copy the signature, so that we can modify it */
1704 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1705 csig = g_memdup (sig, sigsize);
1709 /* fixme: howto handle this ? */
1713 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1714 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1715 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
1720 g_assert_not_reached ();
1725 /* we first do all conversions */
1726 tmp_locals = alloca (sizeof (int) * sig->param_count);
1727 for (i = 0; i < sig->param_count; i ++) {
1728 MonoType *t = sig->params [i];
1733 case MONO_TYPE_VALUETYPE:
1735 klass = sig->params [i]->data.klass;
1736 if (klass->blittable || klass->enumtype)
1739 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
1742 mono_mb_emit_ldarg (mb, i);
1744 mono_mb_emit_ldarg_addr (mb, i);
1745 mono_mb_emit_byte (mb, CEE_STLOC_0);
1748 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1749 mono_mb_emit_byte (mb, CEE_BRFALSE);
1751 mono_mb_emit_i4 (mb, 0);
1754 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
1755 mono_mb_emit_byte (mb, CEE_STLOC_1);
1757 /* emit valuetype convnversion code code */
1758 emit_struct_conv (mb, klass, TRUE);
1761 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1763 case MONO_TYPE_STRING:
1767 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1769 csig->params [i] = &mono_defaults.int_class->byval_arg;
1770 mono_mb_emit_ldarg (mb, i);
1771 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1772 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
1773 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
1774 mono_mb_emit_stloc (mb, tmp_locals [i]);
1779 for (i = 0; i < sig->param_count; i++) {
1780 MonoType *t = sig->params [i];
1796 mono_mb_emit_ldarg (mb, i);
1798 case MONO_TYPE_STRING:
1800 mono_mb_emit_ldarg (mb, i);
1802 g_assert (tmp_locals [i]);
1803 mono_mb_emit_ldloc (mb, tmp_locals [i]);
1806 case MONO_TYPE_CLASS:
1807 case MONO_TYPE_ARRAY:
1808 case MONO_TYPE_SZARRAY:
1809 case MONO_TYPE_OBJECT:
1810 /* fixme: conversions ? */
1811 mono_mb_emit_ldarg (mb, i);
1813 case MONO_TYPE_VALUETYPE:
1814 klass = sig->params [i]->data.klass;
1815 if (klass->blittable || klass->enumtype) {
1816 mono_mb_emit_ldarg (mb, i);
1820 g_assert (tmp_locals [i]);
1822 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
1824 mono_mb_emit_ldloc (mb, tmp_locals [i]);
1827 g_warning ("type 0x%02x unknown", t->type);
1828 g_assert_not_reached ();
1832 mono_mb_emit_managed_call (mb, method, NULL);
1834 /* fixme: add return type conversions */
1836 mono_mb_emit_byte (mb, CEE_RET);
1838 res = mono_mb_create_method (mb, csig, 0);
1841 g_hash_table_insert (cache, method, res);
1847 * generates IL code for the pinvoke wrapper (the generated method
1848 * calls the unamnage code in method->addr)
1851 mono_marshal_get_native_wrapper (MonoMethod *method)
1853 MonoMethodSignature *sig, *csig;
1854 MonoMethodBuilder *mb;
1858 gboolean pinvoke = FALSE;
1859 int i, pos, argnum, *tmp_locals;
1862 g_assert (method != NULL);
1864 cache = method->klass->image->native_wrapper_cache;
1865 if ((res = (MonoMethod *)g_hash_table_lookup (cache, method)))
1868 sig = method->signature;
1870 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
1871 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
1874 mb = mono_mb_new (method->klass, method->name);
1875 mb->method->wrapper_type = MONO_WRAPPER_MANAGED_TO_NATIVE;
1877 mb->method->save_lmf = 1;
1879 if (pinvoke && !method->addr)
1880 mono_lookup_pinvoke_call (method);
1882 if (!method->addr) {
1883 mono_mb_emit_exception (mb);
1884 res = mono_mb_create_method (mb, sig, 0);
1886 g_hash_table_insert (cache, method, res);
1890 /* we copy the signature, so that we can modify it */
1891 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1892 csig = g_memdup (sig, sigsize);
1894 /* internal calls: we simply push all arguments and call the method (no conversions) */
1895 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
1897 /* hack - string constructors returns a value */
1898 if (method->string_ctor)
1899 csig->ret = &mono_defaults.string_class->byval_arg;
1902 mono_mb_emit_byte (mb, CEE_LDARG_0);
1904 for (i = 0; i < sig->param_count; i++)
1905 mono_mb_emit_ldarg (mb, i + sig->hasthis);
1907 g_assert (method->addr);
1908 mono_mb_emit_native_call (mb, csig, method->addr);
1910 mono_mb_emit_byte (mb, CEE_RET);
1912 res = mono_mb_create_method (mb, csig, 0);
1914 g_hash_table_insert (cache, method, res);
1920 /* pinvoke: we need to convert the arguments if necessary */
1924 /* we allocate local for use with emit_struct_conv() */
1925 /* allocate local 0 (pointer) src_ptr */
1926 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1927 /* allocate local 1 (pointer) dst_ptr */
1928 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1929 /* allocate local 2 (boolean) delete_old */
1930 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
1932 /* delete_old = FALSE */
1933 mono_mb_emit_icon (mb, 0);
1934 mono_mb_emit_byte (mb, CEE_STLOC_2);
1936 if (sig->ret->type != MONO_TYPE_VOID) {
1937 /* allocate local 3 to store the return value */
1938 mono_mb_add_local (mb, sig->ret);
1941 /* we first do all conversions */
1942 tmp_locals = alloca (sizeof (int) * sig->param_count);
1943 for (i = 0; i < sig->param_count; i ++) {
1944 MonoType *t = sig->params [i];
1946 argnum = i + sig->hasthis;
1950 case MONO_TYPE_VALUETYPE:
1951 klass = t->data.klass;
1952 if (klass->blittable || klass->enumtype)
1955 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1957 /* store the address of the source into local variable 0 */
1959 mono_mb_emit_ldarg (mb, argnum);
1961 mono_mb_emit_ldarg_addr (mb, argnum);
1963 mono_mb_emit_byte (mb, CEE_STLOC_0);
1966 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1967 mono_mb_emit_byte (mb, CEE_BRFALSE);
1969 mono_mb_emit_i4 (mb, 0);
1972 /* allocate space for the native struct and
1973 * store the address into local variable 1 (dest) */
1974 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
1975 mono_mb_emit_byte (mb, CEE_PREFIX1);
1976 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1977 mono_mb_emit_stloc (mb, tmp_locals [i]);
1979 mono_mb_emit_ldloc (mb, tmp_locals [i]);
1980 mono_mb_emit_byte (mb, CEE_STLOC_1);
1982 /* emit valuetype conversion code */
1983 emit_struct_conv (mb, klass, FALSE);
1986 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1988 case MONO_TYPE_STRING:
1992 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
1993 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1995 mono_mb_emit_ldarg (mb, argnum);
1996 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1997 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
1998 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
1999 mono_mb_emit_stloc (mb, tmp_locals [i]);
2001 case MONO_TYPE_CLASS:
2002 case MONO_TYPE_OBJECT:
2006 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2007 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2009 mono_mb_emit_ldarg (mb, argnum);
2010 mono_mb_emit_byte (mb, CEE_BRFALSE);
2012 mono_mb_emit_i4 (mb, 0);
2014 if (t->data.klass->delegate) {
2015 mono_mb_emit_ldarg (mb, argnum);
2016 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2017 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2018 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
2019 mono_mb_emit_stloc (mb, tmp_locals [i]);
2020 } else if (t->data.klass == mono_defaults.stringbuilder_class) {
2021 mono_mb_emit_ldarg (mb, argnum);
2022 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2023 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2024 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
2025 mono_mb_emit_stloc (mb, tmp_locals [i]);
2027 mono_mb_emit_ldarg (mb, argnum);
2028 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2029 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2030 /* fixme: convert to what ? */
2031 mono_mb_emit_stloc (mb, tmp_locals [i]);
2034 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2037 case MONO_TYPE_ARRAY:
2038 case MONO_TYPE_SZARRAY:
2042 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
2043 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2045 mono_mb_emit_ldarg (mb, argnum);
2047 mono_mb_emit_byte (mb, CEE_LDIND_I);
2048 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2049 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2050 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
2051 mono_mb_emit_stloc (mb, tmp_locals [i]);
2056 /* push all arguments */
2059 mono_mb_emit_byte (mb, CEE_LDARG_0);
2061 for (i = 0; i < sig->param_count; i++) {
2062 MonoType *t = sig->params [i];
2064 argnum = i + sig->hasthis;
2067 case MONO_TYPE_BOOLEAN:
2069 g_warning ("byref boolean marshalling not inplemented");
2070 mono_mb_emit_ldarg (mb, argnum);
2085 mono_mb_emit_ldarg (mb, argnum);
2087 case MONO_TYPE_VALUETYPE:
2088 klass = sig->params [i]->data.klass;
2089 if (klass->blittable || klass->enumtype) {
2090 mono_mb_emit_ldarg (mb, argnum);
2093 g_assert (tmp_locals [i]);
2094 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2096 mono_mb_emit_byte (mb, CEE_LDOBJ);
2097 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2100 case MONO_TYPE_STRING:
2102 mono_mb_emit_ldarg (mb, argnum);
2104 g_assert (tmp_locals [i]);
2105 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2108 case MONO_TYPE_CLASS:
2109 case MONO_TYPE_OBJECT:
2111 mono_mb_emit_ldarg (mb, argnum);
2113 g_assert (tmp_locals [i]);
2114 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2117 case MONO_TYPE_CHAR:
2118 /* fixme: dont know how to marshal that. We cant simply
2119 * convert it to a one byte UTF8 character, because an
2120 * unicode character may need more that one byte in UTF8 */
2121 mono_mb_emit_ldarg (mb, argnum);
2123 case MONO_TYPE_ARRAY:
2124 case MONO_TYPE_SZARRAY:
2126 mono_mb_emit_ldarg (mb, argnum);
2128 g_assert (tmp_locals [i]);
2129 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2132 case MONO_TYPE_TYPEDBYREF:
2133 case MONO_TYPE_FNPTR:
2135 g_warning ("type 0x%02x unknown", t->type);
2136 g_assert_not_reached ();
2140 /* call the native method */
2141 mono_mb_emit_native_call (mb, csig, method->addr);
2143 /* return the result */
2145 /* we need to convert byref arguments back */
2146 for (i = 0; i < sig->param_count; i++) {
2147 MonoType *t = sig->params [i];
2149 argnum = i + sig->hasthis;
2152 case MONO_TYPE_CLASS:
2153 case MONO_TYPE_OBJECT:
2157 if (t->data.klass == mono_defaults.stringbuilder_class) {
2158 mono_mb_emit_ldarg (mb, argnum);
2159 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2160 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2161 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
2162 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
2163 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2164 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2165 mono_mb_emit_byte (mb, CEE_MONO_FREE);
2168 case MONO_TYPE_VALUETYPE:
2172 klass = t->data.klass;
2173 if (klass->blittable || klass->enumtype)
2176 /* dst = argument */
2177 mono_mb_emit_ldarg (mb, argnum);
2178 mono_mb_emit_byte (mb, CEE_STLOC_1);
2180 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2181 mono_mb_emit_byte (mb, CEE_BRFALSE);
2183 mono_mb_emit_i4 (mb, 0);
2185 /* src = tmp_locals [i] */
2186 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2187 mono_mb_emit_byte (mb, CEE_STLOC_0);
2189 /* emit valuetype conversion code */
2190 emit_struct_conv (mb, klass, TRUE);
2192 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2197 if (!sig->ret->byref) {
2198 type = sig->ret->type;
2201 case MONO_TYPE_VOID:
2215 /* no conversions necessary */
2217 case MONO_TYPE_BOOLEAN:
2218 /* maybe we need to make sure that it fits within 8 bits */
2220 case MONO_TYPE_VALUETYPE: {
2223 klass = sig->ret->data.klass;
2224 if (klass->enumtype) {
2225 type = sig->ret->data.klass->enum_basetype->type;
2229 if (klass->blittable)
2232 tmp = mono_mb_add_local (mb, sig->ret);
2234 /* load pointer to returned value type */
2235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2236 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2237 /* store the address of the source into local variable 0 */
2238 mono_mb_emit_byte (mb, CEE_STLOC_0);
2240 mono_mb_emit_ldloc_addr (mb, tmp);
2241 mono_mb_emit_byte (mb, CEE_STLOC_1);
2243 /* emit valuetype conversion code */
2244 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
2246 mono_mb_emit_ldloc (mb, tmp);
2249 case MONO_TYPE_STRING:
2250 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2251 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2252 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2254 case MONO_TYPE_ARRAY:
2255 case MONO_TYPE_SZARRAY:
2256 case MONO_TYPE_CLASS:
2257 case MONO_TYPE_OBJECT:
2258 /* fixme: we need conversions here */
2260 case MONO_TYPE_CHAR:
2261 /* fixme: we need conversions here */
2263 case MONO_TYPE_TYPEDBYREF:
2264 case MONO_TYPE_FNPTR:
2266 g_warning ("return type 0x%02x unknown", sig->ret->type);
2267 g_assert_not_reached ();
2271 mono_mb_emit_byte (mb, CEE_RET);
2273 res = mono_mb_create_method (mb, sig, 0);
2276 g_hash_table_insert (cache, method, res);
2282 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
2285 mono_marshal_get_struct_to_ptr (MonoClass *klass)
2287 MonoMethodBuilder *mb;
2288 static MonoMethod *stoptr = NULL;
2291 g_assert (klass != NULL);
2293 if (klass->str_to_ptr)
2294 return klass->str_to_ptr;
2297 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
2300 mb = mono_mb_new (klass, stoptr->name);
2302 if (klass->blittable) {
2303 mono_mb_emit_byte (mb, CEE_LDARG_1);
2304 mono_mb_emit_byte (mb, CEE_LDARG_0);
2305 mono_mb_emit_icon (mb, sizeof (MonoObject));
2306 mono_mb_emit_byte (mb, CEE_ADD);
2307 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
2308 mono_mb_emit_byte (mb, CEE_PREFIX1);
2309 mono_mb_emit_byte (mb, CEE_CPBLK);
2312 /* allocate local 0 (pointer) src_ptr */
2313 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2314 /* allocate local 1 (pointer) dst_ptr */
2315 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2316 /* allocate local 2 (boolean) delete_old */
2317 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2318 mono_mb_emit_byte (mb, CEE_LDARG_2);
2319 mono_mb_emit_byte (mb, CEE_STLOC_2);
2321 /* initialize src_ptr to point to the start of object data */
2322 mono_mb_emit_byte (mb, CEE_LDARG_0);
2323 mono_mb_emit_icon (mb, sizeof (MonoObject));
2324 mono_mb_emit_byte (mb, CEE_ADD);
2325 mono_mb_emit_byte (mb, CEE_STLOC_0);
2327 /* initialize dst_ptr */
2328 mono_mb_emit_byte (mb, CEE_LDARG_1);
2329 mono_mb_emit_byte (mb, CEE_STLOC_1);
2331 emit_struct_conv (mb, klass, FALSE);
2334 mono_mb_emit_byte (mb, CEE_RET);
2336 res = mono_mb_create_method (mb, stoptr->signature, 0);
2339 klass->str_to_ptr = res;
2344 * generates IL code for PtrToStructure (IntPtr src, object structure)
2347 mono_marshal_get_ptr_to_struct (MonoClass *klass)
2349 MonoMethodBuilder *mb;
2350 static MonoMethod *ptostr = NULL;
2353 g_assert (klass != NULL);
2355 if (klass->ptr_to_str)
2356 return klass->ptr_to_str;
2359 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
2362 mb = mono_mb_new (klass, ptostr->name);
2364 if (klass->blittable) {
2365 mono_mb_emit_byte (mb, CEE_LDARG_1);
2366 mono_mb_emit_icon (mb, sizeof (MonoObject));
2367 mono_mb_emit_byte (mb, CEE_ADD);
2368 mono_mb_emit_byte (mb, CEE_LDARG_0);
2369 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
2370 mono_mb_emit_byte (mb, CEE_PREFIX1);
2371 mono_mb_emit_byte (mb, CEE_CPBLK);
2374 /* allocate local 0 (pointer) src_ptr */
2375 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2376 /* allocate local 1 (pointer) dst_ptr */
2377 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2379 /* initialize src_ptr to point to the start of object data */
2380 mono_mb_emit_byte (mb, CEE_LDARG_0);
2381 mono_mb_emit_byte (mb, CEE_STLOC_0);
2383 /* initialize dst_ptr */
2384 mono_mb_emit_byte (mb, CEE_LDARG_1);
2385 mono_mb_emit_icon (mb, sizeof (MonoObject));
2386 mono_mb_emit_byte (mb, CEE_ADD);
2387 mono_mb_emit_byte (mb, CEE_STLOC_1);
2389 emit_struct_conv (mb, klass, TRUE);
2392 mono_mb_emit_byte (mb, CEE_RET);
2394 res = mono_mb_create_method (mb, ptostr->signature, 0);
2397 klass->ptr_to_str = res;
2401 /* FIXME: on win32 we should probably use GlobalAlloc(). */
2403 mono_marshal_alloc (gpointer size) {
2404 return g_try_malloc ((gulong)size);
2408 mono_marshal_free (gpointer ptr) {
2413 mono_marshal_realloc (gpointer ptr, gpointer size) {
2414 return g_try_realloc (ptr, (gulong)size);
2418 mono_marshal_string_array (MonoArray *array)
2426 len = mono_array_length (array);
2428 result = g_malloc (sizeof (char*) * len);
2429 for (i = 0; i < len; ++i) {
2430 MonoString *s = (MonoString*)mono_array_get (array, gpointer, i);
2431 result [i] = s ? mono_string_to_utf8 (s): NULL;
2437 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
2438 gpointer dest, gint32 length)
2443 MONO_CHECK_ARG_NULL (src);
2444 MONO_CHECK_ARG_NULL (dest);
2446 g_assert (src->obj.vtable->klass->rank == 1);
2447 g_assert (start_index >= 0 && start_index < mono_array_length (src));
2448 g_assert (start_index + length <= mono_array_length (src));
2450 element_size = mono_array_element_size (src->obj.vtable->klass);
2452 source_addr = mono_array_addr_with_size (src, element_size, start_index);
2454 memcpy (dest, source_addr, length * element_size);
2458 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
2459 MonoArray *dest, gint32 length)
2464 MONO_CHECK_ARG_NULL (src);
2465 MONO_CHECK_ARG_NULL (dest);
2467 g_assert (dest->obj.vtable->klass->rank == 1);
2468 g_assert (start_index >= 0 && start_index < mono_array_length (dest));
2469 g_assert (start_index + length <= mono_array_length (dest));
2471 element_size = mono_array_element_size (dest->obj.vtable->klass);
2473 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
2475 memcpy (dest_addr, src, length * element_size);
2479 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
2482 return *(gpointer*)(p + offset);
2486 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
2489 return *(unsigned char*)(p + offset);
2493 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
2496 return *(gint16*)(p + offset);
2500 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
2503 return *(gint32*)(p + offset);
2507 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
2510 return *(gint64*)(p + offset);
2514 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
2517 *(unsigned char*)(p + offset) = val;
2521 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
2524 *(gpointer*)(p + offset) = val;
2528 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
2531 *(gint16*)(p + offset) = val;
2535 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
2538 *(gint32*)(p + offset) = val;
2542 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
2545 *(gint64*)(p + offset) = val;
2549 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
2551 return mono_string_new (mono_domain_get (), ptr);
2555 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
2557 return mono_string_new_len (mono_domain_get (), ptr, len);
2561 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
2563 MonoDomain *domain = mono_domain_get ();
2570 return mono_string_new_utf16 (domain, ptr, len);
2574 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
2576 MonoDomain *domain = mono_domain_get ();
2578 return mono_string_new_utf16 (domain, ptr, len);
2582 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
2584 g_warning ("PtrToStringBSTR not implemented");
2585 g_assert_not_reached ();
2591 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
2593 return (GetLastError ());
2597 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
2601 MONO_CHECK_ARG_NULL (rtype);
2603 klass = mono_class_from_mono_type (rtype->type);
2605 return mono_class_native_size (klass, NULL);
2609 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
2614 MONO_CHECK_ARG_NULL (obj);
2615 MONO_CHECK_ARG_NULL (dst);
2617 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
2621 pa [2] = &delete_old;
2623 mono_runtime_invoke (method, NULL, pa, NULL);
2627 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
2632 MONO_CHECK_ARG_NULL (src);
2633 MONO_CHECK_ARG_NULL (dst);
2635 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
2640 mono_runtime_invoke (method, NULL, pa, NULL);
2644 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
2646 MonoDomain *domain = mono_domain_get ();
2649 MONO_CHECK_ARG_NULL (src);
2650 MONO_CHECK_ARG_NULL (type);
2652 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
2654 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
2660 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
2662 MonoMarshalType *info;
2667 MONO_CHECK_ARG_NULL (type);
2668 MONO_CHECK_ARG_NULL (field_name);
2670 fname = mono_string_to_utf8 (field_name);
2671 klass = mono_class_from_mono_type (type->type);
2673 info = mono_marshal_load_type_info (klass);
2675 for (i = 0; i < klass->field.count; ++i) {
2676 if (*fname == *klass->fields [i].name &&
2677 strcmp (fname, klass->fields [i].name) == 0)
2682 mono_assert (i < klass->field.count);
2684 return info->fields [i].offset;
2688 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
2690 return mono_string_to_utf8 (string);
2694 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
2696 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
2700 mono_struct_delete_old (MonoClass *klass, char *ptr)
2702 MonoMarshalType *info;
2705 info = mono_marshal_load_type_info (klass);
2707 for (i = 0; i < info->num_fields; i++) {
2708 MonoMarshalNative ntype;
2709 MonoMarshalConv conv;
2710 MonoType *ftype = info->fields [i].field->type;
2713 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
2716 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
2717 klass->unicode, &conv);
2719 cpos = ptr + info->fields [i].offset;
2722 case MONO_MARSHAL_CONV_NONE:
2723 if (MONO_TYPE_ISSTRUCT (ftype)) {
2724 mono_struct_delete_old (ftype->data.klass, cpos);
2728 case MONO_MARSHAL_CONV_STR_LPWSTR:
2729 case MONO_MARSHAL_CONV_STR_LPSTR:
2730 case MONO_MARSHAL_CONV_STR_LPTSTR:
2731 case MONO_MARSHAL_CONV_STR_BSTR:
2732 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
2733 case MONO_MARSHAL_CONV_STR_TBSTR:
2734 g_free (*(gpointer *)cpos);
2743 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
2747 MONO_CHECK_ARG_NULL (src);
2748 MONO_CHECK_ARG_NULL (type);
2750 klass = mono_class_from_mono_type (type->type);
2752 mono_struct_delete_old (klass, (char *)src);