2 * marshal.c: Routines for marshaling complex types in P/Invoke methods.
5 * Paolo Molaro (lupus@ximian.com)
7 * (C) 2002 Ximian, Inc. http://www.ximian.com
14 #include "metadata/marshal.h"
15 #include "metadata/tabledefs.h"
16 #include "metadata/exception.h"
17 #include "metadata/appdomain.h"
18 #include "mono/metadata/debug-helpers.h"
19 #include "mono/metadata/threadpool.h"
20 #include "mono/metadata/monitor.h"
24 //#define DEBUG_RUNTIME_CODE
26 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
30 #include "mono/cil/opcode.def"
35 struct _MonoMethodBuilder {
39 guint32 code_size, pos;
44 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
47 mono_find_method_by_name (MonoClass *klass, const char *name, int param_count)
49 MonoMethod *res = NULL;
52 for (i = 0; i < klass->method.count; ++i) {
53 if (klass->methods [i]->name[0] == name [0] &&
54 !strcmp (name, klass->methods [i]->name) &&
55 klass->methods [i]->signature->param_count == param_count) {
56 res = klass->methods [i];
63 #ifdef DEBUG_RUNTIME_CODE
65 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
67 return g_strdup (" ");
70 static MonoDisHelper marshal_dh = {
80 /* This mutex protects the various marshalling related caches in MonoImage */
81 static CRITICAL_SECTION marshal_mutex;
83 /* Maps wrapper methods to the methods they wrap */
84 static MonoGHashTable *wrapper_hash;
86 static guint32 last_error_tls_id;
89 mono_marshal_init (void)
91 static gboolean module_initialized = FALSE;
93 if (!module_initialized) {
94 module_initialized = TRUE;
95 InitializeCriticalSection (&marshal_mutex);
96 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
97 last_error_tls_id = TlsAlloc ();
102 mono_delegate_to_ftnptr (MonoDelegate *delegate)
104 MonoMethod *method, *wrapper, *invoke;
105 MonoMarshalSpec **mspecs;
112 if (delegate->delegate_trampoline)
113 return delegate->delegate_trampoline;
115 klass = ((MonoObject *)delegate)->vtable->klass;
116 g_assert (klass->delegate);
119 method = delegate->method_info->method;
120 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
122 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
123 mono_method_get_marshal_info (invoke, mspecs);
125 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
127 for (i = invoke->signature->param_count; i >= 0; i--)
131 delegate->delegate_trampoline = mono_compile_method (wrapper);
133 return delegate->delegate_trampoline;
137 mono_array_to_savearray (MonoArray *array)
142 g_assert_not_reached ();
147 mono_array_to_lparray (MonoArray *array)
152 /* fixme: maybe we need to make a copy */
153 return array->vector;
157 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
159 GError *error = NULL;
169 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
171 if (items_written > mono_stringbuilder_capacity (sb))
172 items_written = mono_stringbuilder_capacity (sb);
175 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
176 sb->length = items_written;
178 g_error_free (error);
184 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
191 g_assert (mono_string_chars (sb->str) == text);
193 for (len = 0; text [len] != 0; ++len)
200 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
202 GError *error = NULL;
208 res = g_malloc0 (mono_stringbuilder_capacity (sb) + 1);
210 g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
212 g_error_free (error);
213 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
220 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
225 return mono_string_chars (sb->str);
229 mono_string_to_ansibstr (MonoString *string_obj)
231 g_error ("implement me");
236 mono_string_to_bstr (MonoString *string_obj)
238 g_error ("implement me");
243 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
248 g_assert (dst != NULL);
251 memset (dst, 0, size);
256 s = mono_string_to_utf8 (src);
257 len = MIN (size, strlen (s));
258 memcpy (dst, s, len);
261 *((char *)dst + size - 1) = 0;
265 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
269 g_assert (dst != NULL);
273 memset (dst, 0, size);
277 len = MIN (size, (mono_string_length (src) * 2));
278 memcpy (dst, mono_string_chars (src), len);
280 *((char *)dst + size - 1) = 0;
281 *((char *)dst + size - 2) = 0;
285 mono_mb_free (MonoMethodBuilder *mb)
287 g_list_free (mb->locals_list);
292 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
294 MonoMethodBuilder *mb;
297 g_assert (klass != NULL);
298 g_assert (name != NULL);
300 mb = g_new0 (MonoMethodBuilder, 1);
302 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
305 m->name = g_strdup (name);
307 m->inline_count = -1;
308 m->wrapper_type = type;
311 mb->code = g_malloc (mb->code_size);
317 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
319 int res = mb->locals;
321 g_assert (mb != NULL);
322 g_assert (type != NULL);
324 mb->locals_list = g_list_append (mb->locals_list, type);
331 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
333 MonoMethodHeader *header;
337 g_assert (mb != NULL);
339 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
340 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
345 header->max_stack = max_stack;
347 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
348 header->locals [i] = (MonoType *)l->data;
351 mb->method->signature = signature;
352 header->code = mb->code;
353 header->code_size = mb->pos;
354 header->num_locals = mb->locals;
356 #ifdef DEBUG_RUNTIME_CODE
357 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
358 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
365 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
367 MonoMethodWrapper *mw;
369 g_assert (mb != NULL);
371 mw = (MonoMethodWrapper *)mb->method;
373 mw->data = g_list_append (mw->data, data);
375 return g_list_length (mw->data);
379 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
381 mb->code [pos] = value & 0xff;
382 mb->code [pos + 1] = (value >> 8) & 0xff;
383 mb->code [pos + 2] = (value >> 16) & 0xff;
384 mb->code [pos + 3] = (value >> 24) & 0xff;
388 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
390 *((gint8 *)(&mb->code [pos])) = value;
394 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
396 if (mb->pos >= mb->code_size) {
398 mb->code = g_realloc (mb->code, mb->code_size);
401 mb->code [mb->pos++] = op;
405 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
407 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
408 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
411 mono_mb_emit_icon (mb, offset);
412 mono_mb_emit_byte (mb, CEE_ADD);
417 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
420 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
421 mono_mb_emit_byte (mb, CEE_LDIND_I);
422 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
423 mono_mb_emit_byte (mb, CEE_ADD);
424 mono_mb_emit_byte (mb, CEE_LDIND_I);
425 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
426 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
427 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
428 mono_mb_emit_byte (mb, branch_code);
430 mono_mb_emit_i4 (mb, 0);
435 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
437 if ((mb->pos + 4) >= mb->code_size) {
439 mb->code = g_realloc (mb->code, mb->code_size);
442 mono_mb_patch_addr (mb, mb->pos, data);
447 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
449 if ((mb->pos + 2) >= mb->code_size) {
451 mb->code = g_realloc (mb->code, mb->code_size);
454 mb->code [mb->pos] = data & 0xff;
455 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
460 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
462 mono_mb_emit_byte (mb, CEE_LDSTR);
463 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
468 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
471 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
472 } else if (argnum < 256) {
473 mono_mb_emit_byte (mb, CEE_LDARG_S);
474 mono_mb_emit_byte (mb, argnum);
476 mono_mb_emit_byte (mb, CEE_PREFIX1);
477 mono_mb_emit_byte (mb, CEE_LDARG);
478 mono_mb_emit_i2 (mb, argnum);
483 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
486 mono_mb_emit_byte (mb, CEE_LDARGA_S);
487 mono_mb_emit_byte (mb, argnum);
489 mono_mb_emit_byte (mb, CEE_PREFIX1);
490 mono_mb_emit_byte (mb, CEE_LDARGA);
491 mono_mb_emit_i2 (mb, argnum);
496 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
499 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
500 mono_mb_emit_byte (mb, locnum);
502 mono_mb_emit_byte (mb, CEE_PREFIX1);
503 mono_mb_emit_byte (mb, CEE_LDLOCA);
504 mono_mb_emit_i2 (mb, locnum);
509 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
512 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
513 } else if (num < 256) {
514 mono_mb_emit_byte (mb, CEE_LDLOC_S);
515 mono_mb_emit_byte (mb, num);
517 mono_mb_emit_byte (mb, CEE_PREFIX1);
518 mono_mb_emit_byte (mb, CEE_LDLOC);
519 mono_mb_emit_i2 (mb, num);
524 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
527 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
528 } else if (num < 256) {
529 mono_mb_emit_byte (mb, CEE_STLOC_S);
530 mono_mb_emit_byte (mb, num);
532 mono_mb_emit_byte (mb, CEE_PREFIX1);
533 mono_mb_emit_byte (mb, CEE_STLOC);
534 mono_mb_emit_i2 (mb, num);
539 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
541 if (value >= -1 && value < 8) {
542 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
543 } else if (value >= -128 && value <= 127) {
544 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
545 mono_mb_emit_byte (mb, value);
547 mono_mb_emit_byte (mb, CEE_LDC_I4);
548 mono_mb_emit_i4 (mb, value);
553 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
556 mono_mb_emit_byte (mb, op);
558 mono_mb_emit_i4 (mb, 0);
563 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
566 opt_sig = method->signature;
567 mono_mb_emit_byte (mb, CEE_PREFIX1);
568 mono_mb_emit_byte (mb, CEE_LDFTN);
569 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
570 mono_mb_emit_byte (mb, CEE_CALLI);
571 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, opt_sig));
575 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
577 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
578 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
579 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
580 mono_mb_emit_byte (mb, CEE_CALLI);
581 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
585 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
587 /* fixme: we need a better way to throw exception,
588 * supporting several exception types and messages */
589 MonoMethod *ctor = NULL;
591 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
593 mono_class_init (mme);
594 for (i = 0; i < mme->method.count; ++i) {
595 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
596 ctor = mme->methods [i];
601 mono_mb_emit_byte (mb, CEE_NEWOBJ);
602 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
604 mono_mb_emit_byte (mb, CEE_DUP);
605 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
606 mono_mb_emit_ldstr (mb, (char*)msg);
607 mono_mb_emit_byte (mb, CEE_STIND_I);
609 mono_mb_emit_byte (mb, CEE_THROW);
613 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
615 mono_mb_emit_ldloc (mb, local);
616 mono_mb_emit_icon (mb, incr);
617 mono_mb_emit_byte (mb, CEE_ADD);
618 mono_mb_emit_stloc (mb, local);
622 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
623 int usize, int msize, MonoMarshalSpec *mspec)
626 case MONO_MARSHAL_CONV_BOOL_I4:
627 mono_mb_emit_byte (mb, CEE_LDLOC_1);
628 mono_mb_emit_byte (mb, CEE_LDLOC_0);
629 mono_mb_emit_byte (mb, CEE_LDIND_I4);
630 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
631 mono_mb_emit_byte (mb, 3);
632 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
633 mono_mb_emit_byte (mb, CEE_BR_S);
634 mono_mb_emit_byte (mb, 1);
635 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
636 mono_mb_emit_byte (mb, CEE_STIND_I1);
638 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
639 mono_mb_emit_byte (mb, CEE_LDLOC_1);
640 mono_mb_emit_byte (mb, CEE_LDLOC_0);
641 mono_mb_emit_byte (mb, CEE_LDIND_I2);
642 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
643 mono_mb_emit_byte (mb, 3);
644 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
645 mono_mb_emit_byte (mb, CEE_BR_S);
646 mono_mb_emit_byte (mb, 1);
647 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
648 mono_mb_emit_byte (mb, CEE_STIND_I1);
650 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
651 MonoClass *eclass = NULL;
654 if (type->type == MONO_TYPE_SZARRAY) {
655 eclass = type->data.klass;
657 g_assert_not_reached ();
660 if (eclass->valuetype)
661 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
663 esize = sizeof (gpointer);
665 /* create a new array */
666 mono_mb_emit_byte (mb, CEE_LDLOC_1);
667 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
668 mono_mb_emit_byte (mb, CEE_NEWARR);
669 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
670 mono_mb_emit_byte (mb, CEE_STIND_I);
672 /* copy the elements */
673 mono_mb_emit_byte (mb, CEE_LDLOC_1);
674 mono_mb_emit_byte (mb, CEE_LDIND_I);
675 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
676 mono_mb_emit_byte (mb, CEE_ADD);
677 mono_mb_emit_byte (mb, CEE_LDLOC_0);
678 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
679 mono_mb_emit_byte (mb, CEE_PREFIX1);
680 mono_mb_emit_byte (mb, CEE_CPBLK);
684 case MONO_MARSHAL_CONV_STR_BYVALSTR:
685 mono_mb_emit_byte (mb, CEE_LDLOC_1);
686 mono_mb_emit_byte (mb, CEE_LDLOC_0);
687 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
688 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
689 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
690 mono_mb_emit_byte (mb, CEE_STIND_I);
692 case MONO_MARSHAL_CONV_STR_LPTSTR:
693 case MONO_MARSHAL_CONV_STR_LPSTR:
694 mono_mb_emit_byte (mb, CEE_LDLOC_1);
695 mono_mb_emit_byte (mb, CEE_LDLOC_0);
696 mono_mb_emit_byte (mb, CEE_LDIND_I);
697 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
698 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
699 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
700 mono_mb_emit_byte (mb, CEE_STIND_I);
702 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
703 MonoClass *klass = mono_class_from_mono_type (type);
704 int src_var, dst_var;
706 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
707 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
709 /* *dst = new object */
710 mono_mb_emit_byte (mb, CEE_LDLOC_1);
711 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
712 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
713 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
714 mono_mb_emit_byte (mb, CEE_STIND_I);
716 /* save the old src pointer */
717 mono_mb_emit_byte (mb, CEE_LDLOC_0);
718 mono_mb_emit_stloc (mb, src_var);
719 /* save the old dst pointer */
720 mono_mb_emit_byte (mb, CEE_LDLOC_1);
721 mono_mb_emit_stloc (mb, dst_var);
723 /* dst = pointer to newly created object data */
724 mono_mb_emit_byte (mb, CEE_LDLOC_1);
725 mono_mb_emit_byte (mb, CEE_LDIND_I);
726 mono_mb_emit_icon (mb, sizeof (MonoObject));
727 mono_mb_emit_byte (mb, CEE_ADD);
728 mono_mb_emit_byte (mb, CEE_STLOC_1);
730 emit_struct_conv (mb, klass, TRUE);
732 /* restore the old src pointer */
733 mono_mb_emit_ldloc (mb, src_var);
734 mono_mb_emit_byte (mb, CEE_STLOC_0);
735 /* restore the old dst pointer */
736 mono_mb_emit_ldloc (mb, dst_var);
737 mono_mb_emit_byte (mb, CEE_STLOC_1);
740 case MONO_MARSHAL_CONV_DEL_FTN: {
741 // fixme: we never convert functions back to delegates, dont
742 // know if thats the correct behaviour
745 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
746 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
748 case MONO_MARSHAL_CONV_STR_LPWSTR:
749 case MONO_MARSHAL_CONV_STR_BSTR:
750 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
751 case MONO_MARSHAL_CONV_STR_TBSTR:
752 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
753 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
755 g_warning ("marshaling conversion %d not implemented", conv);
756 g_assert_not_reached ();
761 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
762 MonoMarshalSpec *mspec)
767 case MONO_MARSHAL_CONV_BOOL_I4:
768 mono_mb_emit_byte (mb, CEE_LDLOC_1);
769 mono_mb_emit_byte (mb, CEE_LDLOC_0);
770 mono_mb_emit_byte (mb, CEE_LDIND_U1);
771 mono_mb_emit_byte (mb, CEE_STIND_I4);
773 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
774 mono_mb_emit_byte (mb, CEE_LDLOC_1);
775 mono_mb_emit_byte (mb, CEE_LDLOC_0);
776 mono_mb_emit_byte (mb, CEE_LDIND_U1);
777 mono_mb_emit_byte (mb, CEE_NEG);
778 mono_mb_emit_byte (mb, CEE_STIND_I2);
780 case MONO_MARSHAL_CONV_STR_LPWSTR:
781 case MONO_MARSHAL_CONV_STR_LPSTR:
782 case MONO_MARSHAL_CONV_STR_LPTSTR:
783 case MONO_MARSHAL_CONV_STR_BSTR:
784 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
785 case MONO_MARSHAL_CONV_STR_TBSTR:
786 /* free space if free == true */
787 mono_mb_emit_byte (mb, CEE_LDLOC_2);
788 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
789 mono_mb_emit_byte (mb, 4);
790 mono_mb_emit_byte (mb, CEE_LDLOC_1);
791 mono_mb_emit_byte (mb, CEE_LDIND_I);
792 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
793 mono_mb_emit_byte (mb, CEE_MONO_FREE);
795 mono_mb_emit_byte (mb, CEE_LDLOC_1);
796 mono_mb_emit_byte (mb, CEE_LDLOC_0);
797 mono_mb_emit_byte (mb, CEE_LDIND_I);
798 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
799 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
800 mono_mb_emit_byte (mb, conv);
801 mono_mb_emit_byte (mb, CEE_STIND_I);
803 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
804 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
805 case MONO_MARSHAL_CONV_DEL_FTN:
806 mono_mb_emit_byte (mb, CEE_LDLOC_1);
807 mono_mb_emit_byte (mb, CEE_LDLOC_0);
808 mono_mb_emit_byte (mb, CEE_LDIND_I);
809 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
810 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
811 mono_mb_emit_byte (mb, conv);
812 mono_mb_emit_byte (mb, CEE_STIND_I);
814 case MONO_MARSHAL_CONV_STR_BYVALSTR:
815 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
819 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
820 mono_mb_emit_byte (mb, CEE_LDLOC_0);
821 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
822 mono_mb_emit_icon (mb, usize);
823 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
824 mono_mb_emit_byte (mb, CEE_MONO_PROC3);
825 mono_mb_emit_byte (mb, conv);
828 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
829 MonoClass *eclass = NULL;
832 if (type->type == MONO_TYPE_SZARRAY) {
833 eclass = type->data.klass;
835 g_assert_not_reached ();
838 if (eclass->valuetype)
839 esize = mono_class_native_size (eclass, NULL);
841 esize = sizeof (gpointer);
846 mono_mb_emit_byte (mb, CEE_LDLOC_0);
847 mono_mb_emit_byte (mb, CEE_LDIND_I);
848 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
850 mono_mb_emit_byte (mb, 0);
852 mono_mb_emit_byte (mb, CEE_LDLOC_1);
853 mono_mb_emit_byte (mb, CEE_LDLOC_0);
854 mono_mb_emit_byte (mb, CEE_LDIND_I);
855 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
856 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
857 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
858 mono_mb_emit_byte (mb, CEE_ADD);
859 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
860 mono_mb_emit_byte (mb, CEE_PREFIX1);
861 mono_mb_emit_byte (mb, CEE_CPBLK);
862 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
865 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
866 int src_var, dst_var;
868 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
869 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
871 mono_mb_emit_byte (mb, CEE_LDLOC_0);
872 mono_mb_emit_byte (mb, CEE_LDIND_I);
873 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
875 mono_mb_emit_byte (mb, 0);
877 /* save the old src pointer */
878 mono_mb_emit_byte (mb, CEE_LDLOC_0);
879 mono_mb_emit_stloc (mb, src_var);
880 /* save the old dst pointer */
881 mono_mb_emit_byte (mb, CEE_LDLOC_1);
882 mono_mb_emit_stloc (mb, dst_var);
884 /* src = pointer to object data */
885 mono_mb_emit_byte (mb, CEE_LDLOC_0);
886 mono_mb_emit_byte (mb, CEE_LDIND_I);
887 mono_mb_emit_icon (mb, sizeof (MonoObject));
888 mono_mb_emit_byte (mb, CEE_ADD);
889 mono_mb_emit_byte (mb, CEE_STLOC_0);
891 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
893 /* restore the old src pointer */
894 mono_mb_emit_ldloc (mb, src_var);
895 mono_mb_emit_byte (mb, CEE_STLOC_0);
896 /* restore the old dst pointer */
897 mono_mb_emit_ldloc (mb, dst_var);
898 mono_mb_emit_byte (mb, CEE_STLOC_1);
900 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
904 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
905 MonoException *exc = mono_get_exception_not_implemented (msg);
908 mono_raise_exception (exc);
914 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
916 MonoMarshalType *info;
920 emit_struct_conv(mb, klass->parent, to_object);
922 info = mono_marshal_load_type_info (klass);
924 if (info->native_size == 0)
927 if (klass->blittable) {
928 mono_mb_emit_byte (mb, CEE_LDLOC_1);
929 mono_mb_emit_byte (mb, CEE_LDLOC_0);
930 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
931 mono_mb_emit_byte (mb, CEE_PREFIX1);
932 mono_mb_emit_byte (mb, CEE_CPBLK);
936 for (i = 0; i < info->num_fields; i++) {
937 MonoMarshalNative ntype;
938 MonoMarshalConv conv;
939 MonoType *ftype = info->fields [i].field->type;
942 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
944 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
947 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
950 msize = klass->instance_size - info->fields [i].field->offset;
951 usize = info->native_size - info->fields [i].offset;
953 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
954 usize = info->fields [i + 1].offset - info->fields [i].offset;
956 if ((msize < 0) || (usize < 0))
957 /* This happens with GC aware auto layout */
958 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
960 g_assert ((msize >= 0) && (usize >= 0));
963 case MONO_MARSHAL_CONV_NONE: {
966 if (ftype->byref || ftype->type == MONO_TYPE_I ||
967 ftype->type == MONO_TYPE_U) {
968 mono_mb_emit_byte (mb, CEE_LDLOC_1);
969 mono_mb_emit_byte (mb, CEE_LDLOC_0);
970 mono_mb_emit_byte (mb, CEE_LDIND_I);
971 mono_mb_emit_byte (mb, CEE_STIND_I);
980 #if SIZEOF_VOID_P == 4
983 mono_mb_emit_byte (mb, CEE_LDLOC_1);
984 mono_mb_emit_byte (mb, CEE_LDLOC_0);
985 mono_mb_emit_byte (mb, CEE_LDIND_I4);
986 mono_mb_emit_byte (mb, CEE_STIND_I4);
990 case MONO_TYPE_BOOLEAN:
991 mono_mb_emit_byte (mb, CEE_LDLOC_1);
992 mono_mb_emit_byte (mb, CEE_LDLOC_0);
993 mono_mb_emit_byte (mb, CEE_LDIND_I1);
994 mono_mb_emit_byte (mb, CEE_STIND_I1);
999 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1000 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1001 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1002 mono_mb_emit_byte (mb, CEE_STIND_I2);
1006 #if SIZEOF_VOID_P == 8
1009 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1010 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1011 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1012 mono_mb_emit_byte (mb, CEE_STIND_I8);
1015 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1016 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1017 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1018 mono_mb_emit_byte (mb, CEE_STIND_R4);
1021 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1022 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1023 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1024 mono_mb_emit_byte (mb, CEE_STIND_R8);
1026 case MONO_TYPE_VALUETYPE:
1027 if (ftype->data.klass->enumtype) {
1028 t = ftype->data.klass->enum_basetype->type;
1031 emit_struct_conv (mb, ftype->data.klass, to_object);
1034 g_warning ("marshaling type %02x not implemented", ftype->type);
1035 g_assert_not_reached ();
1041 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1043 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1047 mono_mb_emit_add_to_local (mb, 0, usize);
1048 mono_mb_emit_add_to_local (mb, 1, msize);
1050 mono_mb_emit_add_to_local (mb, 0, msize);
1051 mono_mb_emit_add_to_local (mb, 1, usize);
1056 static MonoAsyncResult *
1057 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1059 MonoMethodMessage *msg;
1060 MonoDelegate *async_callback;
1064 MonoMethod *method = NULL;
1067 g_assert (delegate);
1069 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1071 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1072 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1074 // If the target is a proxy, make a direct call. Is proxy's work
1075 // to make the call asynchronous.
1077 MonoAsyncResult *ares;
1079 MonoArray *out_args;
1081 method = delegate->method_info->method;
1083 msg = mono_method_call_message_new (method, params, NULL, &async_callback, &state);
1084 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1085 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1086 ares->async_delegate = (MonoObject *)delegate;
1087 ares->async_callback = (MonoObject *)async_callback;
1088 msg->async_result = ares;
1089 msg->call_type = CallType_BeginInvoke;
1091 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1096 klass = delegate->object.vtable->klass;
1098 method = mono_get_delegate_invoke (klass);
1099 for (i = 0; i < klass->method.count; ++i) {
1100 if (klass->methods [i]->name[0] == 'B' &&
1101 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1102 method = klass->methods [i];
1107 g_assert (method != NULL);
1109 im = mono_get_delegate_invoke (method->klass);
1110 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1112 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1116 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1118 int i, params_var, tmp_var;
1120 /* allocate local (pointer) *params[] */
1121 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1122 /* allocate local (pointer) tmp */
1123 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1125 /* alloate space on stack to store an array of pointers to the arguments */
1126 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1127 mono_mb_emit_byte (mb, CEE_PREFIX1);
1128 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1129 mono_mb_emit_stloc (mb, params_var);
1132 mono_mb_emit_ldloc (mb, params_var);
1133 mono_mb_emit_stloc (mb, tmp_var);
1135 if (save_this && sig->hasthis) {
1136 mono_mb_emit_ldloc (mb, tmp_var);
1137 mono_mb_emit_ldarg_addr (mb, 0);
1138 mono_mb_emit_byte (mb, CEE_STIND_I);
1139 /* tmp = tmp + sizeof (gpointer) */
1140 if (sig->param_count)
1141 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1145 for (i = 0; i < sig->param_count; i++) {
1146 mono_mb_emit_ldloc (mb, tmp_var);
1147 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1148 mono_mb_emit_byte (mb, CEE_STIND_I);
1149 /* tmp = tmp + sizeof (gpointer) */
1150 if (i < (sig->param_count - 1))
1151 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1158 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1162 GString *res = g_string_new ("");
1165 g_string_append (res, prefix);
1166 g_string_append_c (res, '_');
1169 mono_type_get_desc (res, sig->ret, FALSE);
1171 for (i = 0; i < sig->param_count; ++i) {
1172 g_string_append_c (res, '_');
1173 mono_type_get_desc (res, sig->params [i], FALSE);
1176 g_string_free (res, FALSE);
1180 static inline MonoMethod*
1181 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1185 EnterCriticalSection (&marshal_mutex);
1186 res = g_hash_table_lookup (cache, key);
1187 LeaveCriticalSection (&marshal_mutex);
1191 /* Create the method from the builder and place it in the cache */
1192 static inline MonoMethod*
1193 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1194 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1199 EnterCriticalSection (&marshal_mutex);
1200 res = g_hash_table_lookup (cache, key);
1202 /* This does not acquire any locks */
1203 res = mono_mb_create_method (mb, sig, max_stack);
1204 g_hash_table_insert (cache, key, res);
1205 mono_g_hash_table_insert (wrapper_hash, res, key);
1208 /* Somebody created it before us */
1210 LeaveCriticalSection (&marshal_mutex);
1216 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1220 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1223 EnterCriticalSection (&marshal_mutex);
1224 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1225 LeaveCriticalSection (&marshal_mutex);
1227 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1228 /* See mono_marshal_get_remoting_invoke_with_check */
1229 return (MonoMethod*)((char*)res - 1);
1235 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1237 MonoMethodSignature *sig;
1238 static MonoMethodSignature *csig = NULL;
1239 MonoMethodBuilder *mb;
1245 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1246 !strcmp (method->name, "BeginInvoke"));
1248 sig = method->signature;
1250 cache = method->klass->image->delegate_begin_invoke_cache;
1251 if ((res = mono_marshal_find_in_cache (cache, sig)))
1254 g_assert (sig->hasthis);
1257 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1258 csig = g_malloc0 (sigsize);
1260 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1261 csig->param_count = 2;
1262 csig->ret = &mono_defaults.object_class->byval_arg;
1263 csig->params [0] = &mono_defaults.object_class->byval_arg;
1264 csig->params [1] = &mono_defaults.int_class->byval_arg;
1267 name = mono_signature_to_name (sig, "begin_invoke");
1268 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1271 mb->method->save_lmf = 1;
1273 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1275 mono_mb_emit_ldarg (mb, 0);
1276 mono_mb_emit_ldloc (mb, params_var);
1277 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1278 mono_mb_emit_byte (mb, CEE_RET);
1280 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1286 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1288 MonoDomain *domain = mono_domain_get ();
1289 MonoAsyncResult *ares;
1290 MonoMethod *method = NULL;
1291 MonoMethodSignature *sig;
1292 MonoMethodMessage *msg;
1293 MonoObject *res, *exc;
1294 MonoArray *out_args;
1298 g_assert (delegate);
1300 if (!delegate->method_info || !delegate->method_info->method)
1301 g_assert_not_reached ();
1303 klass = delegate->object.vtable->klass;
1305 for (i = 0; i < klass->method.count; ++i) {
1306 if (klass->methods [i]->name[0] == 'E' &&
1307 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1308 method = klass->methods [i];
1313 g_assert (method != NULL);
1315 sig = method->signature;
1317 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1319 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1322 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1323 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1324 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1325 mono_message_init (domain, msg, delegate->method_info, NULL);
1326 msg->call_type = CallType_EndInvoke;
1327 msg->async_result = ares;
1328 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1331 res = mono_thread_pool_finish (ares, &out_args, &exc);
1334 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1336 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1338 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1340 mono_raise_exception ((MonoException*)exc);
1343 mono_method_return_message_restore (method, params, out_args);
1348 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1350 if (return_type->byref)
1351 return_type = &mono_defaults.int_class->byval_arg;
1352 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1353 return_type = return_type->data.klass->enum_basetype;
1355 switch (return_type->type) {
1356 case MONO_TYPE_VOID:
1357 g_assert_not_reached ();
1360 case MONO_TYPE_STRING:
1361 case MONO_TYPE_CLASS:
1362 case MONO_TYPE_OBJECT:
1363 case MONO_TYPE_ARRAY:
1364 case MONO_TYPE_SZARRAY:
1368 case MONO_TYPE_BOOLEAN:
1369 mono_mb_emit_byte (mb, CEE_UNBOX);
1370 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1371 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1374 mono_mb_emit_byte (mb, CEE_UNBOX);
1375 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1376 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1379 case MONO_TYPE_CHAR:
1380 mono_mb_emit_byte (mb, CEE_UNBOX);
1381 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1382 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1385 mono_mb_emit_byte (mb, CEE_UNBOX);
1386 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1387 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1391 mono_mb_emit_byte (mb, CEE_UNBOX);
1392 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1393 mono_mb_emit_byte (mb, CEE_LDIND_I);
1396 mono_mb_emit_byte (mb, CEE_UNBOX);
1397 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1398 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1401 mono_mb_emit_byte (mb, CEE_UNBOX);
1402 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1403 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1407 mono_mb_emit_byte (mb, CEE_UNBOX);
1408 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1409 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1412 mono_mb_emit_byte (mb, CEE_UNBOX);
1413 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1414 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1417 mono_mb_emit_byte (mb, CEE_UNBOX);
1418 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1419 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1421 case MONO_TYPE_VALUETYPE: {
1423 mono_mb_emit_byte (mb, CEE_UNBOX);
1424 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1425 mono_mb_emit_i4 (mb, class);
1426 mono_mb_emit_byte (mb, CEE_LDOBJ);
1427 mono_mb_emit_i4 (mb, class);
1431 g_warning ("type 0x%x not handled", return_type->type);
1432 g_assert_not_reached ();
1435 mono_mb_emit_byte (mb, CEE_RET);
1439 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1441 MonoMethodSignature *sig;
1442 static MonoMethodSignature *csig = NULL;
1443 MonoMethodBuilder *mb;
1449 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1450 !strcmp (method->name, "EndInvoke"));
1452 sig = method->signature;
1454 cache = method->klass->image->delegate_end_invoke_cache;
1455 if ((res = mono_marshal_find_in_cache (cache, sig)))
1458 g_assert (sig->hasthis);
1461 int sigsize = sizeof (MonoMethodSignature) + 2 * sizeof (MonoType *);
1462 csig = g_malloc0 (sigsize);
1464 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1465 csig->param_count = 2;
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;
1471 name = mono_signature_to_name (sig, "end_invoke");
1472 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1475 mb->method->save_lmf = 1;
1477 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1479 mono_mb_emit_ldarg (mb, 0);
1480 mono_mb_emit_ldloc (mb, params_var);
1481 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1483 if (sig->ret->type == MONO_TYPE_VOID) {
1484 mono_mb_emit_byte (mb, CEE_POP);
1485 mono_mb_emit_byte (mb, CEE_RET);
1487 mono_mb_emit_restore_result (mb, sig->ret);
1489 res = mono_mb_create_and_cache (cache, sig,
1490 mb, sig, sig->param_count + 16);
1497 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1499 MonoMethodMessage *msg;
1500 MonoTransparentProxy *this;
1501 MonoObject *res, *exc;
1502 MonoArray *out_args;
1504 this = *((MonoTransparentProxy **)params [0]);
1507 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1509 /* skip the this pointer */
1512 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1515 MonoMethodSignature *sig = method->signature;
1516 int count = sig->param_count;
1517 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1519 for (i=0; i<count; i++) {
1520 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1521 if (class->valuetype) {
1522 if (sig->params [i]->byref)
1523 mparams[i] = *((gpointer *)params [i]);
1525 mparams[i] = params [i];
1527 mparams[i] = *((gpointer**)params [i]);
1531 return mono_runtime_invoke (method, this, mparams, NULL);
1534 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1536 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1539 mono_raise_exception ((MonoException *)exc);
1541 mono_method_return_message_restore (method, params, out_args);
1547 mono_marshal_get_remoting_invoke (MonoMethod *method)
1549 MonoMethodSignature *sig;
1550 static MonoMethodSignature *csig = NULL;
1551 MonoMethodBuilder *mb;
1558 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1561 sig = method->signature;
1563 /* we cant remote methods without this pointer */
1567 cache = method->klass->image->remoting_invoke_cache;
1568 if ((res = mono_marshal_find_in_cache (cache, method)))
1572 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1573 csig->params [0] = &mono_defaults.int_class->byval_arg;
1574 csig->params [1] = &mono_defaults.int_class->byval_arg;
1575 csig->ret = &mono_defaults.object_class->byval_arg;
1579 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1580 mb->method->save_lmf = 1;
1582 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1584 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1585 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1586 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1587 mono_mb_emit_ldloc (mb, params_var);
1588 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1590 if (sig->ret->type == MONO_TYPE_VOID) {
1591 mono_mb_emit_byte (mb, CEE_POP);
1592 mono_mb_emit_byte (mb, CEE_RET);
1594 mono_mb_emit_restore_result (mb, sig->ret);
1597 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1604 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1606 MonoMethodSignature *sig;
1607 MonoMethodBuilder *mb;
1608 MonoMethod *res, *native;
1614 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1617 sig = method->signature;
1619 /* we cant remote methods without this pointer */
1620 g_assert (sig->hasthis);
1622 cache = method->klass->image->remoting_invoke_cache;
1623 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
1626 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
1628 mono_mb_emit_ldarg (mb, 0);
1629 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
1631 native = mono_marshal_get_remoting_invoke (method);
1633 for (i = 0; i <= sig->param_count; i++)
1634 mono_mb_emit_ldarg (mb, i);
1636 mono_mb_emit_managed_call (mb, native, native->signature);
1637 mono_mb_emit_byte (mb, CEE_RET);
1639 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1641 for (i = 0; i <= sig->param_count; i++)
1642 mono_mb_emit_ldarg (mb, i);
1644 mono_mb_emit_managed_call (mb, method, method->signature);
1645 mono_mb_emit_byte (mb, CEE_RET);
1647 res = mono_mb_create_and_cache (cache, (char*)method + 1,
1648 mb, sig, sig->param_count + 16);
1655 * the returned method invokes all methods in a multicast delegate
1658 mono_marshal_get_delegate_invoke (MonoMethod *method)
1660 MonoMethodSignature *sig, *static_sig;
1662 MonoMethodBuilder *mb;
1668 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1669 !strcmp (method->name, "Invoke"));
1671 sig = method->signature;
1673 cache = method->klass->image->delegate_invoke_cache;
1674 if ((res = mono_marshal_find_in_cache (cache, sig)))
1677 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1678 static_sig = g_memdup (sig, sigsize);
1679 static_sig->hasthis = 0;
1681 name = mono_signature_to_name (sig, "invoke");
1682 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
1685 /* allocate local 0 (object) */
1686 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1688 g_assert (sig->hasthis);
1692 * prev.Invoke( args .. );
1693 * return this.<target>( args .. );
1696 /* get this->prev */
1697 mono_mb_emit_ldarg (mb, 0);
1698 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
1699 mono_mb_emit_byte (mb, CEE_LDIND_I );
1700 mono_mb_emit_stloc (mb, 0);
1702 /* if prev != null */
1703 mono_mb_emit_ldloc (mb, 0);
1704 mono_mb_emit_byte (mb, CEE_BRFALSE);
1707 mono_mb_emit_i4 (mb, 0);
1710 mono_mb_emit_ldloc (mb, 0);
1711 for (i = 0; i < sig->param_count; i++)
1712 mono_mb_emit_ldarg (mb, i + 1);
1713 mono_mb_emit_managed_call (mb, method, method->signature);
1714 if (sig->ret->type != MONO_TYPE_VOID)
1715 mono_mb_emit_byte (mb, CEE_POP);
1717 /* continued or prev == null */
1718 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1720 /* get this->target */
1721 mono_mb_emit_ldarg (mb, 0);
1722 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
1723 mono_mb_emit_byte (mb, CEE_LDIND_I );
1724 mono_mb_emit_stloc (mb, 0);
1726 /* if target != null */
1727 mono_mb_emit_ldloc (mb, 0);
1728 mono_mb_emit_byte (mb, CEE_BRFALSE);
1730 mono_mb_emit_i4 (mb, 0);
1732 /* then call this->method_ptr nonstatic */
1733 mono_mb_emit_ldloc (mb, 0);
1734 for (i = 0; i < sig->param_count; ++i)
1735 mono_mb_emit_ldarg (mb, i + 1);
1736 mono_mb_emit_ldarg (mb, 0);
1737 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1738 mono_mb_emit_byte (mb, CEE_LDIND_I );
1739 mono_mb_emit_byte (mb, CEE_CALLI);
1740 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
1742 mono_mb_emit_byte (mb, CEE_BR);
1744 mono_mb_emit_i4 (mb, 0);
1746 /* else [target == null] call this->method_ptr static */
1747 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
1749 for (i = 0; i < sig->param_count; ++i)
1750 mono_mb_emit_ldarg (mb, i + 1);
1751 mono_mb_emit_ldarg (mb, 0);
1752 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
1753 mono_mb_emit_byte (mb, CEE_LDIND_I );
1754 mono_mb_emit_byte (mb, CEE_CALLI);
1755 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
1758 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
1759 mono_mb_emit_byte (mb, CEE_RET);
1761 res = mono_mb_create_and_cache (cache, sig,
1762 mb, sig, sig->param_count + 16);
1769 * generates IL code for the runtime invoke function
1770 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc)
1772 * we also catch exceptions if exc != null
1775 mono_marshal_get_runtime_invoke (MonoMethod *method)
1777 MonoMethodSignature *sig, *csig;
1778 MonoExceptionClause *clause;
1779 MonoMethodHeader *header;
1780 MonoMethodBuilder *mb;
1783 static MonoString *string_dummy = NULL;
1784 int i, pos, sigsize;
1788 cache = method->klass->image->runtime_invoke_cache;
1789 if ((res = mono_marshal_find_in_cache (cache, method)))
1792 /* to make it work with our special string constructors */
1794 string_dummy = mono_string_new_wrapper ("dummy");
1796 sig = method->signature;
1798 sigsize = sizeof (MonoMethodSignature) + 3 * sizeof (MonoType *);
1799 csig = g_malloc0 (sigsize);
1801 csig->param_count = 3;
1802 csig->ret = &mono_defaults.object_class->byval_arg;
1803 csig->params [0] = &mono_defaults.object_class->byval_arg;
1804 csig->params [1] = &mono_defaults.int_class->byval_arg;
1805 csig->params [2] = &mono_defaults.int_class->byval_arg;
1807 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_RUNTIME_INVOKE);
1809 /* allocate local 0 (object) tmp */
1810 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1811 /* allocate local 1 (object) exc */
1812 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
1814 /* cond set *exc to null */
1815 mono_mb_emit_byte (mb, CEE_LDARG_2);
1816 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1817 mono_mb_emit_byte (mb, 3);
1818 mono_mb_emit_byte (mb, CEE_LDARG_2);
1819 mono_mb_emit_byte (mb, CEE_LDNULL);
1820 mono_mb_emit_byte (mb, CEE_STIND_I);
1823 if (method->string_ctor) {
1824 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1825 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1826 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
1828 mono_mb_emit_ldarg (mb, 0);
1829 if (method->klass->valuetype) {
1830 mono_mb_emit_byte (mb, CEE_UNBOX);
1831 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method->klass));
1836 for (i = 0; i < sig->param_count; i++) {
1837 MonoType *t = sig->params [i];
1840 mono_mb_emit_ldarg (mb, 1);
1842 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
1843 mono_mb_emit_byte (mb, CEE_ADD);
1845 mono_mb_emit_byte (mb, CEE_LDIND_I);
1850 type = sig->params [i]->type;
1854 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1856 case MONO_TYPE_BOOLEAN:
1858 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1861 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1864 case MONO_TYPE_CHAR:
1865 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1869 mono_mb_emit_byte (mb, CEE_LDIND_I);
1872 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1875 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1878 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1881 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1885 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1887 case MONO_TYPE_STRING:
1888 case MONO_TYPE_CLASS:
1889 case MONO_TYPE_ARRAY:
1891 case MONO_TYPE_SZARRAY:
1892 case MONO_TYPE_OBJECT:
1895 case MONO_TYPE_VALUETYPE:
1896 if (t->data.klass->enumtype) {
1897 type = t->data.klass->enum_basetype->type;
1900 mono_mb_emit_byte (mb, CEE_LDOBJ);
1901 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
1904 g_assert_not_reached ();
1908 if (method->string_ctor) {
1909 MonoMethodSignature *strsig;
1911 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
1912 strsig = g_memdup (sig, sigsize);
1913 strsig->ret = &mono_defaults.string_class->byval_arg;
1915 mono_mb_emit_managed_call (mb, method, strsig);
1917 mono_mb_emit_managed_call (mb, method, NULL);
1919 if (sig->ret->byref) {
1921 g_assert_not_reached ();
1925 switch (sig->ret->type) {
1926 case MONO_TYPE_VOID:
1927 if (!method->string_ctor)
1928 mono_mb_emit_byte (mb, CEE_LDNULL);
1930 case MONO_TYPE_BOOLEAN:
1931 case MONO_TYPE_CHAR:
1944 case MONO_TYPE_VALUETYPE:
1945 /* box value types */
1946 mono_mb_emit_byte (mb, CEE_BOX);
1947 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
1949 case MONO_TYPE_STRING:
1950 case MONO_TYPE_CLASS:
1951 case MONO_TYPE_ARRAY:
1952 case MONO_TYPE_SZARRAY:
1953 case MONO_TYPE_OBJECT:
1958 g_assert_not_reached ();
1961 mono_mb_emit_stloc (mb, 0);
1963 mono_mb_emit_byte (mb, CEE_LEAVE);
1965 mono_mb_emit_i4 (mb, 0);
1967 clause = g_new0 (MonoExceptionClause, 1);
1968 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
1969 clause->try_len = mb->pos;
1972 clause->token_or_filter = mb->pos;
1974 mono_mb_emit_byte (mb, CEE_POP);
1975 mono_mb_emit_byte (mb, CEE_LDARG_2);
1976 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
1977 mono_mb_emit_byte (mb, CEE_PREFIX1);
1978 mono_mb_emit_byte (mb, CEE_CGT_UN);
1979 mono_mb_emit_byte (mb, CEE_PREFIX1);
1980 mono_mb_emit_byte (mb, CEE_ENDFILTER);
1982 clause->handler_offset = mb->pos;
1985 /* store exception */
1986 mono_mb_emit_stloc (mb, 1);
1988 mono_mb_emit_byte (mb, CEE_LDARG_2);
1989 mono_mb_emit_ldloc (mb, 1);
1990 mono_mb_emit_byte (mb, CEE_STIND_I);
1992 mono_mb_emit_byte (mb, CEE_LEAVE);
1993 mono_mb_emit_i4 (mb, 0);
1995 clause->handler_len = mb->pos - clause->handler_offset;
1998 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
1999 mono_mb_emit_ldloc (mb, 0);
2000 mono_mb_emit_byte (mb, CEE_RET);
2002 res = mono_mb_create_and_cache (cache, method,
2003 mb, csig, sig->param_count + 16);
2006 header = ((MonoMethodNormal *)res)->header;
2007 header->num_clauses = 1;
2008 header->clauses = clause;
2014 * generates IL code to call managed methods from unmanaged code
2017 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2019 MonoMethodSignature *sig, *csig;
2020 MonoMethodBuilder *mb;
2021 MonoClass *klass = NULL;
2024 int i, pos = 0, sigsize, *tmp_locals;
2025 static MonoMethodSignature *alloc_sig = NULL;
2028 g_assert (method != NULL);
2029 g_assert (!method->signature->pinvoke);
2031 cache = method->klass->image->managed_wrapper_cache;
2032 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2035 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2037 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2038 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2039 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2040 alloc_sig->pinvoke = 1;
2044 /* fime: howto free that memory ? */
2047 sig = method->signature;
2049 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2051 /* allocate local 0 (pointer) src_ptr */
2052 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2053 /* allocate local 1 (pointer) dst_ptr */
2054 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2055 /* allocate local 2 (boolean) delete_old */
2056 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2058 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2059 /* allocate local 3 to store the return value */
2060 mono_mb_add_local (mb, sig->ret);
2063 mono_mb_emit_byte (mb, CEE_LDNULL);
2064 mono_mb_emit_byte (mb, CEE_STLOC_2);
2066 /* we copy the signature, so that we can modify it */
2067 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2068 csig = g_memdup (sig, sigsize);
2072 #ifdef PLATFORM_WIN32
2074 * Under windows, delegates passed to native code must use the STDCALL
2075 * calling convention.
2077 csig->call_convention = MONO_CALL_STDCALL;
2080 /* fixme: howto handle this ? */
2084 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2085 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2086 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2091 g_assert_not_reached ();
2096 /* we first do all conversions */
2097 tmp_locals = alloca (sizeof (int) * sig->param_count);
2098 for (i = 0; i < sig->param_count; i ++) {
2099 MonoType *t = sig->params [i];
2100 MonoMarshalSpec *spec = mspecs [i + 1];
2104 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2107 MonoMethod *marshal_native_to_managed;
2108 MonoMethod *get_instance;
2110 /* FIXME: Call CleanUpNativeData after the call */
2112 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2113 g_assert (mtype != NULL);
2114 mklass = mono_class_from_mono_type (mtype);
2115 g_assert (mklass != NULL);
2117 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2118 g_assert (marshal_native_to_managed);
2119 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2120 g_assert (get_instance);
2123 case MONO_TYPE_CLASS:
2124 case MONO_TYPE_OBJECT:
2125 case MONO_TYPE_STRING:
2126 case MONO_TYPE_ARRAY:
2127 case MONO_TYPE_SZARRAY:
2131 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2133 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2135 mono_mb_emit_byte (mb, CEE_CALL);
2136 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2138 mono_mb_emit_ldarg (mb, i);
2140 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2141 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2143 mono_mb_emit_stloc (mb, tmp_locals [i]);
2146 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2147 g_assert_not_reached ();
2154 case MONO_TYPE_CLASS: {
2155 klass = t->data.klass;
2157 /* FIXME: Raise a MarshalDirectiveException here */
2158 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2160 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2162 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2163 mono_mb_emit_byte (mb, CEE_LDNULL);
2164 mono_mb_emit_stloc (mb, tmp_locals [i]);
2169 mono_mb_emit_ldarg (mb, i);
2173 /* Check for NULL and raise an exception */
2174 mono_mb_emit_byte (mb, CEE_BRTRUE);
2176 mono_mb_emit_i4 (mb, 0);
2178 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2180 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2181 mono_mb_emit_ldarg (mb, i);
2182 mono_mb_emit_byte (mb, CEE_LDIND_I);
2185 mono_mb_emit_byte (mb, CEE_STLOC_0);
2187 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2188 mono_mb_emit_stloc (mb, tmp_locals [i]);
2190 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2191 mono_mb_emit_byte (mb, CEE_BRFALSE);
2193 mono_mb_emit_i4 (mb, 0);
2195 /* Create and set dst */
2196 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2197 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2198 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2199 mono_mb_emit_stloc (mb, tmp_locals [i]);
2200 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2201 mono_mb_emit_icon (mb, sizeof (MonoObject));
2202 mono_mb_emit_byte (mb, CEE_ADD);
2203 mono_mb_emit_byte (mb, CEE_STLOC_1);
2205 /* emit valuetype conversion code */
2206 emit_struct_conv (mb, klass, TRUE);
2208 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2211 case MONO_TYPE_VALUETYPE:
2213 klass = sig->params [i]->data.klass;
2214 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2215 klass->blittable || klass->enumtype)
2218 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2221 mono_mb_emit_ldarg (mb, i);
2223 mono_mb_emit_ldarg_addr (mb, i);
2224 mono_mb_emit_byte (mb, CEE_STLOC_0);
2227 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2228 mono_mb_emit_byte (mb, CEE_BRFALSE);
2230 mono_mb_emit_i4 (mb, 0);
2233 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2234 mono_mb_emit_byte (mb, CEE_STLOC_1);
2236 /* emit valuetype convnversion code code */
2237 emit_struct_conv (mb, klass, TRUE);
2240 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2242 case MONO_TYPE_STRING:
2246 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2247 csig->params [i] = &mono_defaults.int_class->byval_arg;
2249 mono_mb_emit_ldarg (mb, i);
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);
2253 mono_mb_emit_stloc (mb, tmp_locals [i]);
2255 case MONO_TYPE_ARRAY:
2256 case MONO_TYPE_SZARRAY:
2260 klass = mono_class_from_mono_type (t);
2262 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2263 csig->params [i] = &mono_defaults.int_class->byval_arg;
2265 g_warning ("array marshaling not implemented");
2266 g_assert_not_reached ();
2271 for (i = 0; i < sig->param_count; i++) {
2272 MonoType *t = sig->params [i];
2275 case MONO_TYPE_BOOLEAN:
2289 mono_mb_emit_ldarg (mb, i);
2291 case MONO_TYPE_STRING:
2293 mono_mb_emit_ldarg (mb, i);
2295 g_assert (tmp_locals [i]);
2296 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2299 case MONO_TYPE_CLASS:
2301 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2303 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2305 case MONO_TYPE_ARRAY:
2306 case MONO_TYPE_SZARRAY:
2307 case MONO_TYPE_OBJECT:
2309 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2311 mono_mb_emit_ldarg (mb, i);
2313 case MONO_TYPE_VALUETYPE:
2314 klass = sig->params [i]->data.klass;
2315 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2316 klass->blittable || klass->enumtype) {
2317 mono_mb_emit_ldarg (mb, i);
2321 g_assert (tmp_locals [i]);
2323 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2325 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2328 g_warning ("type 0x%02x unknown", t->type);
2329 g_assert_not_reached ();
2333 mono_mb_emit_managed_call (mb, method, NULL);
2335 if (!sig->ret->byref) {
2336 switch (sig->ret->type) {
2337 case MONO_TYPE_VOID:
2339 case MONO_TYPE_BOOLEAN:
2353 case MONO_TYPE_OBJECT:
2354 mono_mb_emit_byte (mb, CEE_STLOC_3);
2356 case MONO_TYPE_STRING:
2357 csig->ret = &mono_defaults.int_class->byval_arg;
2359 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2360 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2361 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2362 mono_mb_emit_byte (mb, CEE_STLOC_3);
2364 case MONO_TYPE_VALUETYPE:
2365 klass = sig->ret->data.klass;
2366 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2367 klass->blittable || klass->enumtype)
2370 /* load pointer to returned value type */
2371 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2372 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2374 /* store the address of the source into local variable 0 */
2375 mono_mb_emit_byte (mb, CEE_STLOC_0);
2376 /* allocate space for the native struct and
2377 * store the address into dst_ptr */
2378 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2379 g_assert (retobj_var);
2380 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2381 mono_mb_emit_byte (mb, CEE_CONV_I);
2382 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2383 mono_mb_emit_byte (mb, CEE_STLOC_1);
2384 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2385 mono_mb_emit_stloc (mb, retobj_var);
2387 /* emit valuetype conversion code */
2388 emit_struct_conv (mb, klass, FALSE);
2390 case MONO_TYPE_CLASS: {
2393 klass = sig->ret->data.klass;
2395 /* FIXME: Raise a MarshalDirectiveException here */
2396 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2398 mono_mb_emit_byte (mb, CEE_STLOC_0);
2399 /* Check for null */
2400 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2401 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2402 mono_mb_emit_byte (mb, CEE_LDNULL);
2403 mono_mb_emit_byte (mb, CEE_STLOC_3);
2404 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2406 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2409 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2410 mono_mb_emit_icon (mb, sizeof (MonoObject));
2411 mono_mb_emit_byte (mb, CEE_ADD);
2412 mono_mb_emit_byte (mb, CEE_STLOC_0);
2414 /* Allocate and set dest */
2415 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2416 mono_mb_emit_byte (mb, CEE_CONV_I);
2417 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2418 mono_mb_emit_byte (mb, CEE_DUP);
2419 mono_mb_emit_byte (mb, CEE_STLOC_1);
2420 mono_mb_emit_byte (mb, CEE_STLOC_3);
2422 emit_struct_conv (mb, klass, FALSE);
2424 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2428 g_warning ("return type 0x%02x unknown", sig->ret->type);
2429 g_assert_not_reached ();
2432 mono_mb_emit_byte (mb, CEE_STLOC_3);
2435 /* Convert byref arguments back */
2436 for (i = 0; i < sig->param_count; i ++) {
2437 MonoType *t = sig->params [i];
2443 case MONO_TYPE_CLASS: {
2446 klass = t->data.klass;
2448 /* Check for null */
2449 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2450 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2451 mono_mb_emit_ldarg (mb, i);
2452 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2453 mono_mb_emit_byte (mb, CEE_STIND_I);
2454 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2456 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2459 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2460 mono_mb_emit_icon (mb, sizeof (MonoObject));
2461 mono_mb_emit_byte (mb, CEE_ADD);
2462 mono_mb_emit_byte (mb, CEE_STLOC_0);
2464 /* Allocate and set dest */
2465 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2466 mono_mb_emit_byte (mb, CEE_CONV_I);
2467 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2468 mono_mb_emit_byte (mb, CEE_STLOC_1);
2470 /* Update argument pointer */
2471 mono_mb_emit_ldarg (mb, i);
2472 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2473 mono_mb_emit_byte (mb, CEE_STIND_I);
2475 /* emit valuetype conversion code */
2476 emit_struct_conv (mb, klass, FALSE);
2478 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2485 mono_mb_emit_ldloc (mb, retobj_var);
2486 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2487 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2488 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2491 if (!MONO_TYPE_IS_VOID(sig->ret))
2492 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2493 mono_mb_emit_byte (mb, CEE_RET);
2497 res = mono_mb_create_and_cache (cache, method,
2498 mb, csig, sig->param_count + 16);
2500 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2503 //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));
2509 * mono_marshal_get_ldfld_wrapper:
2510 * @type: the type of the field
2512 * This method generates a function which can be use to load a field with type
2513 * @type from an object. The generated function has the following signature:
2514 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2517 mono_marshal_get_ldfld_wrapper (MonoType *type)
2519 MonoMethodSignature *sig, *csig;
2520 MonoMethodBuilder *mb;
2523 static GHashTable *ldfld_hash = NULL;
2525 int t, pos0, pos1 = 0;
2530 if (type->type == MONO_TYPE_SZARRAY) {
2531 klass = mono_defaults.array_class;
2532 } else if (type->type == MONO_TYPE_VALUETYPE) {
2533 klass = type->data.klass;
2534 if (klass->enumtype) {
2535 t = klass->enum_basetype->type;
2536 klass = mono_class_from_mono_type (klass->enum_basetype);
2538 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2539 t == MONO_TYPE_CLASS) {
2540 klass = mono_defaults.object_class;
2541 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2542 klass = mono_defaults.int_class;
2544 klass = mono_class_from_mono_type (type);
2547 klass = mono_defaults.int_class;
2550 EnterCriticalSection (&marshal_mutex);
2552 ldfld_hash = g_hash_table_new (NULL, NULL);
2553 res = g_hash_table_lookup (ldfld_hash, klass);
2554 LeaveCriticalSection (&marshal_mutex);
2558 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2559 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2562 mb->method->save_lmf = 1;
2564 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2565 sig->params [0] = &mono_defaults.object_class->byval_arg;
2566 sig->params [1] = &mono_defaults.int_class->byval_arg;
2567 sig->params [2] = &mono_defaults.int_class->byval_arg;
2568 sig->params [3] = &mono_defaults.int_class->byval_arg;
2569 sig->ret = &klass->byval_arg;
2571 mono_mb_emit_ldarg (mb, 0);
2572 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2574 mono_mb_emit_ldarg (mb, 0);
2575 mono_mb_emit_ldarg (mb, 1);
2576 mono_mb_emit_ldarg (mb, 2);
2578 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2579 csig->params [0] = &mono_defaults.object_class->byval_arg;
2580 csig->params [1] = &mono_defaults.int_class->byval_arg;
2581 csig->params [2] = &mono_defaults.int_class->byval_arg;
2582 csig->ret = &klass->this_arg;
2585 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2587 if (klass->valuetype) {
2588 mono_mb_emit_byte (mb, CEE_UNBOX);
2589 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2590 mono_mb_emit_byte (mb, CEE_BR);
2592 mono_mb_emit_i4 (mb, 0);
2594 mono_mb_emit_byte (mb, CEE_RET);
2598 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2600 mono_mb_emit_ldarg (mb, 0);
2601 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2602 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2603 mono_mb_emit_ldarg (mb, 3);
2604 mono_mb_emit_byte (mb, CEE_ADD);
2606 if (klass->valuetype)
2607 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2612 case MONO_TYPE_BOOLEAN:
2613 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2615 case MONO_TYPE_CHAR:
2618 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2622 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2626 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2629 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2632 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2634 case MONO_TYPE_ARRAY:
2636 case MONO_TYPE_FNPTR:
2637 case MONO_TYPE_SZARRAY:
2638 case MONO_TYPE_OBJECT:
2639 case MONO_TYPE_CLASS:
2640 case MONO_TYPE_STRING:
2643 mono_mb_emit_byte (mb, CEE_LDIND_I);
2645 case MONO_TYPE_VALUETYPE:
2646 g_assert (!klass->enumtype);
2647 mono_mb_emit_byte (mb, CEE_LDOBJ);
2648 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2651 g_warning ("type %x not implemented", type->type);
2652 g_assert_not_reached ();
2655 mono_mb_emit_byte (mb, CEE_RET);
2657 res = mono_mb_create_and_cache (ldfld_hash, klass,
2658 mb, sig, sig->param_count + 16);
2665 * mono_marshal_get_stfld_wrapper:
2666 * @type: the type of the field
2668 * This method generates a function which can be use to store a field with type
2669 * @type. The generated function has the following signature:
2670 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2673 mono_marshal_get_stfld_wrapper (MonoType *type)
2675 MonoMethodSignature *sig, *csig;
2676 MonoMethodBuilder *mb;
2679 static GHashTable *stfld_hash = NULL;
2686 if (type->type == MONO_TYPE_SZARRAY) {
2687 klass = mono_defaults.array_class;
2688 } else if (type->type == MONO_TYPE_VALUETYPE) {
2689 klass = type->data.klass;
2690 if (klass->enumtype) {
2691 t = klass->enum_basetype->type;
2692 klass = mono_class_from_mono_type (klass->enum_basetype);
2694 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2695 t == MONO_TYPE_CLASS) {
2696 klass = mono_defaults.object_class;
2697 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2698 klass = mono_defaults.int_class;
2700 klass = mono_class_from_mono_type (type);
2703 klass = mono_defaults.int_class;
2706 EnterCriticalSection (&marshal_mutex);
2708 stfld_hash = g_hash_table_new (NULL, NULL);
2709 res = g_hash_table_lookup (stfld_hash, klass);
2710 LeaveCriticalSection (&marshal_mutex);
2714 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2715 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2718 mb->method->save_lmf = 1;
2720 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2721 sig->params [0] = &mono_defaults.object_class->byval_arg;
2722 sig->params [1] = &mono_defaults.int_class->byval_arg;
2723 sig->params [2] = &mono_defaults.int_class->byval_arg;
2724 sig->params [3] = &mono_defaults.int_class->byval_arg;
2725 sig->params [4] = &klass->byval_arg;
2726 sig->ret = &mono_defaults.void_class->byval_arg;
2728 mono_mb_emit_ldarg (mb, 0);
2729 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2731 mono_mb_emit_ldarg (mb, 0);
2732 mono_mb_emit_ldarg (mb, 1);
2733 mono_mb_emit_ldarg (mb, 2);
2734 mono_mb_emit_ldarg (mb, 4);
2736 if (klass->valuetype) {
2737 mono_mb_emit_byte (mb, CEE_BOX);
2738 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2741 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2742 csig->params [0] = &mono_defaults.object_class->byval_arg;
2743 csig->params [1] = &mono_defaults.int_class->byval_arg;
2744 csig->params [2] = &mono_defaults.int_class->byval_arg;
2745 csig->params [3] = &klass->this_arg;
2746 csig->ret = &mono_defaults.void_class->byval_arg;
2749 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2751 mono_mb_emit_byte (mb, CEE_RET);
2753 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2755 mono_mb_emit_ldarg (mb, 0);
2756 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2757 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2758 mono_mb_emit_ldarg (mb, 3);
2759 mono_mb_emit_byte (mb, CEE_ADD);
2760 mono_mb_emit_ldarg (mb, 4);
2765 case MONO_TYPE_BOOLEAN:
2766 mono_mb_emit_byte (mb, CEE_STIND_I1);
2768 case MONO_TYPE_CHAR:
2771 mono_mb_emit_byte (mb, CEE_STIND_I2);
2775 mono_mb_emit_byte (mb, CEE_STIND_I4);
2779 mono_mb_emit_byte (mb, CEE_STIND_I8);
2782 mono_mb_emit_byte (mb, CEE_STIND_R4);
2785 mono_mb_emit_byte (mb, CEE_STIND_R8);
2787 case MONO_TYPE_ARRAY:
2789 case MONO_TYPE_FNPTR:
2790 case MONO_TYPE_SZARRAY:
2791 case MONO_TYPE_OBJECT:
2792 case MONO_TYPE_CLASS:
2793 case MONO_TYPE_STRING:
2796 mono_mb_emit_byte (mb, CEE_STIND_I);
2798 case MONO_TYPE_VALUETYPE:
2799 g_assert (!klass->enumtype);
2800 mono_mb_emit_byte (mb, CEE_STOBJ);
2801 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2804 g_warning ("type %x not implemented", type->type);
2805 g_assert_not_reached ();
2808 mono_mb_emit_byte (mb, CEE_RET);
2810 res = mono_mb_create_and_cache (stfld_hash, klass,
2811 mb, sig, sig->param_count + 16);
2818 * generates IL code for the icall wrapper (the generated method
2819 * calls the unmanaged code in func)
2822 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2824 MonoMethodSignature *csig;
2825 MonoMethodBuilder *mb;
2829 g_assert (sig->pinvoke);
2831 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2833 mb->method->save_lmf = 1;
2835 /* we copy the signature, so that we can modify it */
2836 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2839 mono_mb_emit_byte (mb, CEE_LDARG_0);
2841 for (i = 0; i < sig->param_count; i++)
2842 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2844 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2846 mono_mb_emit_byte (mb, CEE_RET);
2848 csig = g_memdup (sig, sigsize);
2851 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2858 * mono_marshal_get_native_wrapper:
2859 * @method: The MonoMethod to wrap.
2861 * generates IL code for the pinvoke wrapper (the generated method
2862 * calls the unmanaged code in method->addr)
2865 mono_marshal_get_native_wrapper (MonoMethod *method)
2867 MonoMethodSignature *sig, *csig;
2868 MonoMethodPInvoke *piinfo;
2869 MonoMethodBuilder *mb;
2870 MonoMarshalSpec **mspecs;
2874 gboolean pinvoke = FALSE;
2875 int i, pos, argnum, *tmp_locals;
2877 const char *exc_class = "MissingMethodException";
2878 const char *exc_arg = NULL;
2880 g_assert (method != NULL);
2881 g_assert (method->signature->pinvoke);
2883 cache = method->klass->image->native_wrapper_cache;
2884 if ((res = mono_marshal_find_in_cache (cache, method)))
2887 sig = method->signature;
2888 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2890 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2891 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2894 if (!method->addr) {
2896 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
2898 method->addr = mono_lookup_internal_call (method);
2901 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2903 mb->method->save_lmf = 1;
2905 piinfo = (MonoMethodPInvoke *)method;
2907 if (!method->addr) {
2908 mono_mb_emit_exception (mb, exc_class, exc_arg);
2909 csig = g_memdup (sig, sigsize);
2911 res = mono_mb_create_and_cache (cache, method,
2912 mb, csig, csig->param_count + 16);
2917 /* internal calls: we simply push all arguments and call the method (no conversions) */
2918 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2920 /* hack - string constructors returns a value */
2921 if (method->string_ctor) {
2922 csig = g_memdup (sig, sigsize);
2923 csig->ret = &mono_defaults.string_class->byval_arg;
2928 mono_mb_emit_byte (mb, CEE_LDARG_0);
2930 for (i = 0; i < sig->param_count; i++)
2931 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2933 g_assert (method->addr);
2934 mono_mb_emit_native_call (mb, csig, method->addr);
2936 mono_mb_emit_byte (mb, CEE_RET);
2938 csig = g_memdup (csig, sigsize);
2940 res = mono_mb_create_and_cache (cache, method,
2941 mb, csig, csig->param_count + 16);
2948 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2949 mono_method_get_marshal_info (method, mspecs);
2951 /* pinvoke: we need to convert the arguments if necessary */
2953 /* we copy the signature, so that we can set pinvoke to 0 */
2954 csig = g_memdup (sig, sigsize);
2957 /* we allocate local for use with emit_struct_conv() */
2958 /* allocate local 0 (pointer) src_ptr */
2959 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2960 /* allocate local 1 (pointer) dst_ptr */
2961 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2962 /* allocate local 2 (boolean) delete_old */
2963 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2965 /* delete_old = FALSE */
2966 mono_mb_emit_icon (mb, 0);
2967 mono_mb_emit_byte (mb, CEE_STLOC_2);
2969 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2970 /* allocate local 3 to store the return value */
2971 mono_mb_add_local (mb, sig->ret);
2974 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
2975 /* Return type custom marshaling */
2977 * Since we can't determine the return type of the unmanaged function,
2978 * we assume it returns a pointer, and pass that pointer to
2979 * MarshalNativeToManaged.
2981 csig->ret = &mono_defaults.int_class->byval_arg;
2984 /* we first do all conversions */
2985 tmp_locals = alloca (sizeof (int) * sig->param_count);
2987 for (i = 0; i < sig->param_count; i ++) {
2988 MonoType *t = sig->params [i];
2989 MonoMarshalSpec *spec = mspecs [i + 1];
2991 argnum = i + sig->hasthis;
2994 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2997 MonoMethod *marshal_managed_to_native;
2998 MonoMethod *get_instance;
3000 /* FIXME: Call CleanUpNativeData after the call */
3002 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3003 g_assert (mtype != NULL);
3004 mklass = mono_class_from_mono_type (mtype);
3005 g_assert (mklass != NULL);
3007 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
3008 g_assert (marshal_managed_to_native);
3009 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3010 g_assert (get_instance);
3013 case MONO_TYPE_CLASS:
3014 case MONO_TYPE_OBJECT:
3015 case MONO_TYPE_STRING:
3016 case MONO_TYPE_ARRAY:
3017 case MONO_TYPE_SZARRAY:
3018 case MONO_TYPE_VALUETYPE:
3022 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3024 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3026 mono_mb_emit_byte (mb, CEE_CALL);
3027 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3029 mono_mb_emit_ldarg (mb, argnum);
3031 if (t->type == MONO_TYPE_VALUETYPE) {
3033 * Since we can't determine the type of the argument, we
3034 * will assume the unmanaged function takes a pointer.
3036 csig->params [i] = &mono_defaults.int_class->byval_arg;
3038 mono_mb_emit_byte (mb, CEE_BOX);
3039 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3042 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3043 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3046 * The first 4 bytes are used by MS for something...
3048 mono_mb_emit_byte (mb, CEE_LDC_I4_4);
3049 mono_mb_emit_byte (mb, CEE_ADD);
3051 mono_mb_emit_stloc (mb, tmp_locals [i]);
3055 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3056 g_assert_not_reached ();
3062 if (spec && spec->native == MONO_NATIVE_ASANY) {
3063 char *msg = g_strdup_printf ("marshalling conversion UnmanagedType.AsAny not implemented");
3064 MonoException *exc = mono_get_exception_not_implemented (msg);
3067 mono_raise_exception (exc);
3071 case MONO_TYPE_VALUETYPE:
3072 klass = t->data.klass;
3074 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3075 klass->blittable || klass->enumtype)
3078 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3080 /* store the address of the source into local variable 0 */
3082 mono_mb_emit_ldarg (mb, argnum);
3084 mono_mb_emit_ldarg_addr (mb, argnum);
3086 mono_mb_emit_byte (mb, CEE_STLOC_0);
3088 /* allocate space for the native struct and
3089 * store the address into local variable 1 (dest) */
3090 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3091 mono_mb_emit_byte (mb, CEE_PREFIX1);
3092 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3093 mono_mb_emit_stloc (mb, tmp_locals [i]);
3096 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3097 mono_mb_emit_byte (mb, CEE_BRFALSE);
3099 mono_mb_emit_i4 (mb, 0);
3103 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3104 mono_mb_emit_byte (mb, CEE_STLOC_1);
3106 /* emit valuetype conversion code */
3107 emit_struct_conv (mb, klass, FALSE);
3110 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3112 case MONO_TYPE_STRING:
3113 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3114 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3117 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3120 mono_mb_emit_ldarg (mb, argnum);
3121 mono_mb_emit_byte (mb, CEE_LDIND_I);
3123 mono_mb_emit_ldarg (mb, argnum);
3126 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3127 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3130 switch (spec->native) {
3131 case MONO_NATIVE_LPWSTR:
3132 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3134 case MONO_NATIVE_LPSTR:
3135 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3138 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", spec->native);
3139 MonoException *exc = mono_get_exception_not_implemented (msg);
3142 mono_raise_exception (exc);
3146 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3147 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3148 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3150 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3151 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3153 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3154 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3157 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3162 mono_mb_emit_stloc (mb, tmp_locals [i]);
3164 case MONO_TYPE_CLASS:
3165 case MONO_TYPE_OBJECT:
3166 klass = t->data.klass;
3168 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3169 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3171 if (klass->delegate) {
3172 g_assert (!t->byref);
3173 mono_mb_emit_ldarg (mb, argnum);
3174 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3175 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3176 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3177 mono_mb_emit_stloc (mb, tmp_locals [i]);
3178 } else if (klass == mono_defaults.stringbuilder_class) {
3179 g_assert (!t->byref);
3180 mono_mb_emit_ldarg (mb, argnum);
3181 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3182 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3185 switch (spec->native) {
3186 case MONO_NATIVE_LPWSTR:
3187 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3189 case MONO_NATIVE_LPSTR:
3190 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3193 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", spec->native);
3194 MonoException *exc = mono_get_exception_not_implemented (msg);
3197 mono_raise_exception (exc);
3201 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3202 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3203 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3205 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3206 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3208 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3209 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3212 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3217 mono_mb_emit_stloc (mb, tmp_locals [i]);
3219 mono_mb_emit_byte (mb, CEE_LDNULL);
3220 mono_mb_emit_stloc (mb, tmp_locals [i]);
3223 /* we dont need any conversions for out parameters */
3224 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3227 mono_mb_emit_ldarg (mb, argnum);
3228 mono_mb_emit_byte (mb, CEE_LDIND_I);
3231 mono_mb_emit_ldarg (mb, argnum);
3232 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3233 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3236 /* store the address of the source into local variable 0 */
3237 mono_mb_emit_byte (mb, CEE_STLOC_0);
3238 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3239 mono_mb_emit_byte (mb, CEE_BRFALSE);
3241 mono_mb_emit_i4 (mb, 0);
3243 /* allocate space for the native struct and store the address */
3244 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3245 mono_mb_emit_byte (mb, CEE_PREFIX1);
3246 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3247 mono_mb_emit_stloc (mb, tmp_locals [i]);
3249 /* set the src_ptr */
3250 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3251 mono_mb_emit_icon (mb, sizeof (MonoObject));
3252 mono_mb_emit_byte (mb, CEE_ADD);
3253 mono_mb_emit_byte (mb, CEE_STLOC_0);
3256 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3257 mono_mb_emit_byte (mb, CEE_STLOC_1);
3259 /* emit valuetype conversion code */
3260 emit_struct_conv (mb, klass, FALSE);
3262 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3266 case MONO_TYPE_ARRAY:
3267 case MONO_TYPE_SZARRAY:
3271 klass = mono_class_from_mono_type (t);
3273 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3274 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3276 if (klass->element_class == mono_defaults.string_class) {
3277 mono_mb_emit_ldarg (mb, argnum);
3278 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3279 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3281 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3282 mono_mb_emit_stloc (mb, tmp_locals [i]);
3284 else if (klass->element_class->blittable) {
3285 mono_mb_emit_ldarg (mb, argnum);
3286 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3287 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3289 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3290 mono_mb_emit_stloc (mb, tmp_locals [i]);
3294 guint32 label1, label2, label3;
3295 int index_var, dest_ptr;
3297 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3300 mono_mb_emit_ldarg (mb, argnum);
3301 mono_mb_emit_stloc (mb, tmp_locals [i]);
3302 mono_mb_emit_ldarg (mb, argnum);
3303 mono_mb_emit_byte (mb, CEE_BRFALSE);
3305 mono_mb_emit_i4 (mb, 0);
3307 /* allocate space for the native struct and store the address */
3308 eklass = klass->element_class;
3309 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3310 mono_mb_emit_ldarg (mb, argnum);
3311 mono_mb_emit_byte (mb, CEE_LDLEN);
3312 mono_mb_emit_byte (mb, CEE_MUL);
3313 mono_mb_emit_byte (mb, CEE_PREFIX1);
3314 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3315 mono_mb_emit_stloc (mb, tmp_locals [i]);
3317 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3318 mono_mb_emit_stloc (mb, dest_ptr);
3320 /* Emit marshalling loop */
3321 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3322 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3323 mono_mb_emit_stloc (mb, index_var);
3325 mono_mb_emit_ldloc (mb, index_var);
3326 mono_mb_emit_ldarg (mb, argnum);
3327 mono_mb_emit_byte (mb, CEE_LDLEN);
3328 mono_mb_emit_byte (mb, CEE_BGE);
3330 mono_mb_emit_i4 (mb, 0);
3332 /* Emit marshalling code */
3334 /* set the src_ptr */
3335 mono_mb_emit_ldarg (mb, argnum);
3336 mono_mb_emit_ldloc (mb, index_var);
3337 mono_mb_emit_byte (mb, CEE_LDELEMA);
3338 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3339 mono_mb_emit_byte (mb, CEE_STLOC_0);
3342 mono_mb_emit_ldloc (mb, dest_ptr);
3343 mono_mb_emit_byte (mb, CEE_STLOC_1);
3345 /* emit valuetype conversion code */
3346 emit_struct_conv (mb, eklass, FALSE);
3348 mono_mb_emit_add_to_local (mb, index_var, 1);
3349 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3351 mono_mb_emit_byte (mb, CEE_BR);
3352 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3354 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3355 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3359 case MONO_TYPE_BOOLEAN: {
3360 MonoType *local_type;
3361 int variant_bool = 0;
3365 local_type = &mono_defaults.int32_class->byval_arg;
3367 switch (spec->native) {
3368 case MONO_NATIVE_I1:
3369 local_type = &mono_defaults.byte_class->byval_arg;
3371 case MONO_NATIVE_VARIANTBOOL:
3372 local_type = &mono_defaults.int16_class->byval_arg;
3376 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3380 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3381 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3382 mono_mb_emit_ldarg (mb, argnum);
3383 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3385 mono_mb_emit_byte (mb, CEE_NEG);
3386 mono_mb_emit_stloc (mb, tmp_locals [i]);
3392 /* push all arguments */
3395 mono_mb_emit_byte (mb, CEE_LDARG_0);
3397 for (i = 0; i < sig->param_count; i++) {
3398 MonoType *t = sig->params [i];
3399 MonoMarshalSpec *spec = mspecs [i + 1];
3401 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3402 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3405 argnum = i + sig->hasthis;
3408 case MONO_TYPE_BOOLEAN:
3410 g_assert (tmp_locals [i]);
3411 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3413 mono_mb_emit_ldarg (mb, argnum);
3428 mono_mb_emit_ldarg (mb, argnum);
3430 case MONO_TYPE_VALUETYPE:
3431 klass = sig->params [i]->data.klass;
3432 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3433 klass->blittable || klass->enumtype) {
3434 mono_mb_emit_ldarg (mb, argnum);
3437 g_assert (tmp_locals [i]);
3438 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3440 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3441 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3442 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3445 case MONO_TYPE_STRING:
3446 case MONO_TYPE_CLASS:
3447 case MONO_TYPE_OBJECT:
3448 g_assert (tmp_locals [i]);
3450 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3452 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3454 case MONO_TYPE_CHAR:
3455 /* fixme: dont know how to marshal that. We cant simply
3456 * convert it to a one byte UTF8 character, because an
3457 * unicode character may need more that one byte in UTF8 */
3458 mono_mb_emit_ldarg (mb, argnum);
3460 case MONO_TYPE_ARRAY:
3461 case MONO_TYPE_SZARRAY:
3463 mono_mb_emit_ldarg (mb, argnum);
3465 g_assert (tmp_locals [i]);
3466 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3469 case MONO_TYPE_TYPEDBYREF:
3470 case MONO_TYPE_FNPTR:
3472 g_warning ("type 0x%02x unknown", t->type);
3473 g_assert_not_reached ();
3478 /* call the native method */
3479 mono_mb_emit_native_call (mb, csig, method->addr);
3481 /* Set LastError if needed */
3482 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3483 MonoMethodSignature *lasterr_sig;
3485 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3486 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3487 lasterr_sig->pinvoke = 1;
3489 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3492 /* convert the result */
3493 if (!sig->ret->byref) {
3494 MonoMarshalSpec *spec = mspecs [0];
3495 type = sig->ret->type;
3497 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3500 MonoMethod *marshal_native_to_managed;
3501 MonoMethod *get_instance;
3503 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3504 g_assert (mtype != NULL);
3505 mklass = mono_class_from_mono_type (mtype);
3506 g_assert (mklass != NULL);
3508 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3509 g_assert (marshal_native_to_managed);
3510 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3511 g_assert (get_instance);
3514 case MONO_TYPE_CLASS:
3515 case MONO_TYPE_OBJECT:
3516 case MONO_TYPE_STRING:
3517 case MONO_TYPE_ARRAY:
3518 case MONO_TYPE_SZARRAY:
3519 case MONO_TYPE_VALUETYPE:
3520 if (type == MONO_TYPE_VALUETYPE) {
3521 /* local 3 can't hold a pointer */
3522 mono_mb_emit_byte (mb, CEE_STLOC_0);
3525 mono_mb_emit_byte (mb, CEE_STLOC_3);
3527 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3529 mono_mb_emit_byte (mb, CEE_CALL);
3530 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3532 if (type == MONO_TYPE_VALUETYPE)
3533 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3535 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3537 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3538 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3540 if (type == MONO_TYPE_VALUETYPE) {
3541 mono_mb_emit_byte (mb, CEE_UNBOX);
3542 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3544 mono_mb_emit_byte (mb, CEE_STLOC_3);
3547 g_warning ("custom marshalling of type %x is currently not supported", type);
3548 g_assert_not_reached ();
3555 case MONO_TYPE_VOID:
3570 /* no conversions necessary */
3571 mono_mb_emit_byte (mb, CEE_STLOC_3);
3573 case MONO_TYPE_BOOLEAN:
3574 /* maybe we need to make sure that it fits within 8 bits */
3575 mono_mb_emit_byte (mb, CEE_STLOC_3);
3577 case MONO_TYPE_VALUETYPE:
3578 klass = sig->ret->data.klass;
3579 if (klass->enumtype) {
3580 type = sig->ret->data.klass->enum_basetype->type;
3584 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3586 mono_mb_emit_byte (mb, CEE_STLOC_3);
3589 /* load pointer to returned value type */
3590 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3591 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3592 /* store the address of the source into local variable 0 */
3593 mono_mb_emit_byte (mb, CEE_STLOC_0);
3595 mono_mb_emit_ldloc_addr (mb, 3);
3596 mono_mb_emit_byte (mb, CEE_STLOC_1);
3598 /* emit valuetype conversion code */
3599 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3601 case MONO_TYPE_STRING:
3602 #ifdef GTK_SHARP_FIXED
3603 mono_mb_emit_byte (mb, CEE_STLOC_0);
3604 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3607 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3608 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3610 switch (spec->native) {
3611 case MONO_NATIVE_LPWSTR:
3612 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3615 g_warning ("marshalling conversion not implemented");
3616 g_assert_not_reached ();
3619 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3621 mono_mb_emit_byte (mb, CEE_STLOC_3);
3623 #ifdef GTK_SHARP_FIXED
3624 /* free the string */
3625 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3626 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3627 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3630 case MONO_TYPE_CLASS:
3631 case MONO_TYPE_OBJECT:
3632 klass = sig->ret->data.klass;
3635 mono_mb_emit_byte (mb, CEE_STLOC_0);
3637 mono_mb_emit_byte (mb, CEE_LDNULL);
3638 mono_mb_emit_byte (mb, CEE_STLOC_3);
3641 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3642 mono_mb_emit_byte (mb, CEE_BRFALSE);
3644 mono_mb_emit_i4 (mb, 0);
3646 /* allocate result object */
3648 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3649 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3650 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3651 mono_mb_emit_byte (mb, CEE_STLOC_3);
3655 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3656 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3657 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3658 mono_mb_emit_icon (mb, sizeof (MonoObject));
3659 mono_mb_emit_byte (mb, CEE_ADD);
3660 mono_mb_emit_byte (mb, CEE_STLOC_1);
3662 /* emit conversion code */
3663 emit_struct_conv (mb, klass, TRUE);
3665 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3667 case MONO_TYPE_ARRAY:
3668 case MONO_TYPE_SZARRAY:
3669 /* fixme: we need conversions here */
3670 mono_mb_emit_byte (mb, CEE_STLOC_3);
3672 case MONO_TYPE_CHAR:
3673 /* fixme: we need conversions here */
3674 mono_mb_emit_byte (mb, CEE_STLOC_3);
3676 case MONO_TYPE_TYPEDBYREF:
3677 case MONO_TYPE_FNPTR:
3679 g_warning ("return type 0x%02x unknown", sig->ret->type);
3680 g_assert_not_reached ();
3684 mono_mb_emit_byte (mb, CEE_STLOC_3);
3687 /* we need to convert byref arguments back and free string arrays */
3688 for (i = 0; i < sig->param_count; i++) {
3689 MonoType *t = sig->params [i];
3690 MonoMarshalSpec *spec = mspecs [i + 1];
3692 argnum = i + sig->hasthis;
3695 case MONO_TYPE_STRING:
3696 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3697 mono_mb_emit_ldarg (mb, argnum);
3698 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3699 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3700 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3701 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3702 mono_mb_emit_byte (mb, CEE_STIND_I);
3704 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3705 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3706 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3709 case MONO_TYPE_CLASS:
3710 case MONO_TYPE_OBJECT:
3711 if (t->data.klass == mono_defaults.stringbuilder_class) {
3712 gboolean need_free = TRUE;
3714 g_assert (!t->byref);
3715 mono_mb_emit_ldarg (mb, argnum);
3716 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3717 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3718 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3721 switch (spec->native) {
3722 case MONO_NATIVE_LPWSTR:
3723 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3725 * mono_string_builder_to_utf16 does not allocate a
3726 * new buffer, so no need to free it.
3730 case MONO_NATIVE_LPSTR:
3731 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3734 g_assert_not_reached ();
3737 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3738 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3739 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3741 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3742 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3745 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3746 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3749 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3755 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3756 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3757 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3762 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3765 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3766 /* allocate a new object new object */
3767 mono_mb_emit_ldarg (mb, argnum);
3768 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3769 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3770 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3771 mono_mb_emit_byte (mb, CEE_STIND_I);
3774 /* dst = *argument */
3775 mono_mb_emit_ldarg (mb, argnum);
3778 mono_mb_emit_byte (mb, CEE_LDIND_I);
3780 mono_mb_emit_byte (mb, CEE_STLOC_1);
3782 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3783 mono_mb_emit_byte (mb, CEE_BRFALSE);
3785 mono_mb_emit_i4 (mb, 0);
3787 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3788 mono_mb_emit_icon (mb, sizeof (MonoObject));
3789 mono_mb_emit_byte (mb, CEE_ADD);
3790 mono_mb_emit_byte (mb, CEE_STLOC_1);
3792 /* src = tmp_locals [i] */
3793 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3794 mono_mb_emit_byte (mb, CEE_STLOC_0);
3796 /* emit valuetype conversion code */
3797 emit_struct_conv (mb, klass, TRUE);
3799 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3801 case MONO_TYPE_VALUETYPE:
3805 klass = t->data.klass;
3806 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3807 klass->blittable || klass->enumtype)
3810 /* dst = argument */
3811 mono_mb_emit_ldarg (mb, argnum);
3812 mono_mb_emit_byte (mb, CEE_STLOC_1);
3814 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3815 mono_mb_emit_byte (mb, CEE_BRFALSE);
3817 mono_mb_emit_i4 (mb, 0);
3819 /* src = tmp_locals [i] */
3820 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3821 mono_mb_emit_byte (mb, CEE_STLOC_0);
3823 /* emit valuetype conversion code */
3824 emit_struct_conv (mb, klass, TRUE);
3826 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3828 case MONO_TYPE_SZARRAY:
3832 klass = mono_class_from_mono_type (t);
3834 if (klass->element_class == mono_defaults.string_class) {
3835 g_assert (tmp_locals [i]);
3837 mono_mb_emit_ldarg (mb, argnum);
3838 mono_mb_emit_byte (mb, CEE_BRFALSE);
3840 mono_mb_emit_i4 (mb, 0);
3842 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3843 mono_mb_emit_ldarg (mb, argnum);
3844 mono_mb_emit_byte (mb, CEE_LDLEN);
3845 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3846 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3847 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3849 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3852 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
3853 /* FIXME: Optimize blittable case */
3855 guint32 label1, label2, label3;
3856 int index_var, src_ptr;
3858 eklass = klass->element_class;
3859 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3862 mono_mb_emit_ldarg (mb, argnum);
3863 mono_mb_emit_byte (mb, CEE_BRFALSE);
3865 mono_mb_emit_i4 (mb, 0);
3867 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3868 mono_mb_emit_stloc (mb, src_ptr);
3870 /* Emit marshalling loop */
3871 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3872 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3873 mono_mb_emit_stloc (mb, index_var);
3875 mono_mb_emit_ldloc (mb, index_var);
3876 mono_mb_emit_ldarg (mb, argnum);
3877 mono_mb_emit_byte (mb, CEE_LDLEN);
3878 mono_mb_emit_byte (mb, CEE_BGE);
3880 mono_mb_emit_i4 (mb, 0);
3882 /* Emit marshalling code */
3884 /* set the src_ptr */
3885 mono_mb_emit_ldloc (mb, src_ptr);
3886 mono_mb_emit_byte (mb, CEE_STLOC_0);
3889 mono_mb_emit_ldarg (mb, argnum);
3890 mono_mb_emit_ldloc (mb, index_var);
3891 mono_mb_emit_byte (mb, CEE_LDELEMA);
3892 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3893 mono_mb_emit_byte (mb, CEE_STLOC_1);
3895 /* emit valuetype conversion code */
3896 emit_struct_conv (mb, eklass, TRUE);
3898 mono_mb_emit_add_to_local (mb, index_var, 1);
3899 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
3901 mono_mb_emit_byte (mb, CEE_BR);
3902 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3904 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3905 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3908 case MONO_TYPE_BOOLEAN:
3911 mono_mb_emit_ldarg (mb, argnum);
3912 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3913 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3914 mono_mb_emit_byte (mb, CEE_NEG);
3915 mono_mb_emit_byte (mb, CEE_STIND_I1);
3919 if (!MONO_TYPE_IS_VOID(sig->ret))
3920 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3922 mono_mb_emit_byte (mb, CEE_RET);
3924 csig = g_memdup (sig, sigsize);
3926 res = mono_mb_create_and_cache (cache, method,
3927 mb, csig, csig->param_count + 16);
3930 for (i = sig->param_count; i >= 0; i--)
3931 g_free (mspecs [i]);
3934 //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));
3940 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
3942 static MonoReflectionType *
3943 type_from_handle (MonoType *handle)
3945 MonoDomain *domain = mono_domain_get ();
3946 MonoClass *klass = mono_class_from_mono_type (handle);
3948 MONO_ARCH_SAVE_REGS;
3950 mono_class_init (klass);
3951 return mono_type_get_object (domain, handle);
3955 * mono_marshal_get_isinst:
3956 * @klass: the type of the field
3958 * This method generates a function which can be used to check if an object is
3959 * an instance of the given type, icluding the case where the object is a proxy.
3960 * The generated function has the following signature:
3961 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
3964 mono_marshal_get_isinst (MonoClass *klass)
3966 static MonoMethodSignature *isint_sig = NULL;
3967 static GHashTable *isinst_hash = NULL;
3969 int pos_was_ok, pos_failed, pos_end, pos_end2;
3971 MonoMethodBuilder *mb;
3973 EnterCriticalSection (&marshal_mutex);
3975 isinst_hash = g_hash_table_new (NULL, NULL);
3977 res = g_hash_table_lookup (isinst_hash, klass);
3978 LeaveCriticalSection (&marshal_mutex);
3983 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
3984 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
3985 isint_sig->ret = &mono_defaults.object_class->byval_arg;
3986 isint_sig->pinvoke = 0;
3989 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
3990 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
3993 mb->method->save_lmf = 1;
3995 /* check if the object is a proxy that needs special cast */
3996 mono_mb_emit_ldarg (mb, 0);
3997 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3998 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
3999 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4001 /* The result of MONO_ISINST can be:
4002 0) the type check succeeded
4003 1) the type check did not succeed
4004 2) a CanCastTo call is needed */
4006 mono_mb_emit_byte (mb, CEE_DUP);
4007 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4009 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
4010 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
4012 /* get the real proxy from the transparent proxy*/
4014 mono_mb_emit_ldarg (mb, 0);
4015 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4016 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4020 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4021 mono_mb_emit_byte (mb, CEE_LDNULL);
4022 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
4026 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4027 mono_mb_emit_byte (mb, CEE_POP);
4028 mono_mb_emit_ldarg (mb, 0);
4032 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4033 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
4034 mono_mb_emit_byte (mb, CEE_RET);
4036 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4043 * mono_marshal_get_castclass:
4044 * @klass: the type of the field
4046 * This method generates a function which can be used to cast an object to
4047 * an instance of the given type, icluding the case where the object is a proxy.
4048 * The generated function has the following signature:
4049 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
4052 mono_marshal_get_castclass (MonoClass *klass)
4054 static MonoMethodSignature *castclass_sig = NULL;
4055 static GHashTable *castclass_hash = NULL;
4057 int pos_was_ok, pos_was_ok2;
4059 MonoMethodBuilder *mb;
4061 EnterCriticalSection (&marshal_mutex);
4062 if (!castclass_hash)
4063 castclass_hash = g_hash_table_new (NULL, NULL);
4065 res = g_hash_table_lookup (castclass_hash, klass);
4066 LeaveCriticalSection (&marshal_mutex);
4070 if (!castclass_sig) {
4071 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4072 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
4073 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
4074 castclass_sig->pinvoke = 0;
4077 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
4078 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4081 mb->method->save_lmf = 1;
4083 /* check if the object is a proxy that needs special cast */
4084 mono_mb_emit_ldarg (mb, 0);
4085 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4086 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
4087 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4089 /* The result of MONO_ISINST can be:
4090 0) the cast is valid
4091 1) cast of unknown proxy type
4092 or an exception if the cast is is invalid
4095 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4097 /* get the real proxy from the transparent proxy*/
4099 mono_mb_emit_ldarg (mb, 0);
4100 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4101 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
4104 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
4107 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4108 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
4109 mono_mb_emit_ldarg (mb, 0);
4112 mono_mb_emit_byte (mb, CEE_RET);
4114 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
4121 mono_marshal_get_proxy_cancast (MonoClass *klass)
4123 static MonoMethodSignature *from_handle_sig = NULL;
4124 static MonoMethodSignature *upgrade_proxy_sig = NULL;
4125 static MonoMethodSignature *isint_sig = NULL;
4126 static GHashTable *proxy_isinst_hash = NULL;
4128 int pos_failed, pos_end;
4130 MonoMethod *can_cast_to;
4131 MonoMethodDesc *desc;
4132 MonoMethodBuilder *mb;
4134 EnterCriticalSection (&marshal_mutex);
4135 if (!proxy_isinst_hash)
4136 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
4138 res = g_hash_table_lookup (proxy_isinst_hash, klass);
4139 LeaveCriticalSection (&marshal_mutex);
4144 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
4145 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
4146 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
4147 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
4148 upgrade_proxy_sig->pinvoke = 1;
4150 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4151 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4152 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4154 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4155 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4156 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4157 isint_sig->pinvoke = 0;
4160 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
4161 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4164 mb->method->save_lmf = 1;
4166 /* get the real proxy from the transparent proxy*/
4167 mono_mb_emit_ldarg (mb, 0);
4168 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4169 mono_mb_emit_byte (mb, CEE_LDIND_I);
4171 /* get the refletion type from the type handle */
4172 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4173 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4174 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4175 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4177 mono_mb_emit_ldarg (mb, 0);
4179 /* make the call to CanCastTo (type, ob) */
4180 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
4181 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
4182 g_assert (can_cast_to);
4183 mono_method_desc_free (desc);
4184 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4185 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
4188 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
4190 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
4191 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4192 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4193 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4194 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4195 mono_mb_emit_ldarg (mb, 0);
4197 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
4199 mono_mb_emit_ldarg (mb, 0);
4200 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4204 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4205 mono_mb_emit_byte (mb, CEE_LDNULL);
4209 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4210 mono_mb_emit_byte (mb, CEE_RET);
4212 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4219 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
4222 klass = mono_class_from_mono_type (rtype->type);
4223 mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
4224 ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
4228 * mono_marshal_get_struct_to_ptr:
4231 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
4234 mono_marshal_get_struct_to_ptr (MonoClass *klass)
4236 MonoMethodBuilder *mb;
4237 static MonoMethod *stoptr = NULL;
4240 g_assert (klass != NULL);
4242 if (klass->str_to_ptr)
4243 return klass->str_to_ptr;
4246 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
4249 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
4251 if (klass->blittable) {
4252 mono_mb_emit_byte (mb, CEE_LDARG_1);
4253 mono_mb_emit_byte (mb, CEE_LDARG_0);
4254 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4255 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4256 mono_mb_emit_byte (mb, CEE_PREFIX1);
4257 mono_mb_emit_byte (mb, CEE_CPBLK);
4260 /* allocate local 0 (pointer) src_ptr */
4261 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4262 /* allocate local 1 (pointer) dst_ptr */
4263 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4264 /* allocate local 2 (boolean) delete_old */
4265 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
4266 mono_mb_emit_byte (mb, CEE_LDARG_2);
4267 mono_mb_emit_byte (mb, CEE_STLOC_2);
4269 /* initialize src_ptr to point to the start of object data */
4270 mono_mb_emit_byte (mb, CEE_LDARG_0);
4271 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4272 mono_mb_emit_byte (mb, CEE_STLOC_0);
4274 /* initialize dst_ptr */
4275 mono_mb_emit_byte (mb, CEE_LDARG_1);
4276 mono_mb_emit_byte (mb, CEE_STLOC_1);
4278 emit_struct_conv (mb, klass, FALSE);
4281 mono_mb_emit_byte (mb, CEE_RET);
4283 res = mono_mb_create_method (mb, stoptr->signature, 0);
4286 klass->str_to_ptr = res;
4291 * mono_marshal_get_ptr_to_struct:
4294 * generates IL code for PtrToStructure (IntPtr src, object structure)
4297 mono_marshal_get_ptr_to_struct (MonoClass *klass)
4299 MonoMethodBuilder *mb;
4300 static MonoMethod *ptostr = NULL;
4303 g_assert (klass != NULL);
4305 if (klass->ptr_to_str)
4306 return klass->ptr_to_str;
4309 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
4312 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
4314 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
4315 mono_mb_emit_byte (mb, CEE_LDARG_1);
4316 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4317 mono_mb_emit_byte (mb, CEE_LDARG_0);
4318 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4319 mono_mb_emit_byte (mb, CEE_PREFIX1);
4320 mono_mb_emit_byte (mb, CEE_CPBLK);
4323 /* allocate local 0 (pointer) src_ptr */
4324 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4325 /* allocate local 1 (pointer) dst_ptr */
4326 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4328 /* initialize src_ptr to point to the start of object data */
4329 mono_mb_emit_byte (mb, CEE_LDARG_0);
4330 mono_mb_emit_byte (mb, CEE_STLOC_0);
4332 /* initialize dst_ptr */
4333 mono_mb_emit_byte (mb, CEE_LDARG_1);
4334 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4335 mono_mb_emit_byte (mb, CEE_STLOC_1);
4337 emit_struct_conv (mb, klass, TRUE);
4340 mono_mb_emit_byte (mb, CEE_RET);
4342 res = mono_mb_create_method (mb, ptostr->signature, 0);
4345 klass->ptr_to_str = res;
4350 * generates IL code for the synchronized wrapper: the generated method
4351 * calls METHOD while locking 'this' or the parent type.
4354 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4356 static MonoMethodSignature *from_handle_sig = NULL;
4357 static MonoMethod *enter_method, *exit_method;
4358 MonoMethodSignature *sig;
4359 MonoExceptionClause *clause;
4360 MonoMethodHeader *header;
4361 MonoMethodBuilder *mb;
4364 int i, pos, this_local, ret_local;
4368 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4371 cache = method->klass->image->synchronized_cache;
4372 if ((res = mono_marshal_find_in_cache (cache, method)))
4375 sig = method->signature;
4377 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4380 if (!MONO_TYPE_IS_VOID (sig->ret))
4381 ret_local = mono_mb_add_local (mb, sig->ret);
4384 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4386 clause = g_new0 (MonoExceptionClause, 1);
4387 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4389 if (!enter_method) {
4390 MonoMethodDesc *desc;
4392 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4393 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4394 g_assert (enter_method);
4395 mono_method_desc_free (desc);
4396 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4397 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4398 g_assert (exit_method);
4399 mono_method_desc_free (desc);
4402 * GetTypeFromHandle isn't called as a managed method because it has
4403 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4404 * transformed into something else by the JIT.
4406 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4407 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4408 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4411 /* Push this or the type object */
4412 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4413 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4414 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4415 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4416 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4419 mono_mb_emit_ldarg (mb, 0);
4420 mono_mb_emit_stloc (mb, this_local);
4422 /* Call Monitor::Enter() */
4423 mono_mb_emit_ldloc (mb, this_local);
4424 mono_mb_emit_managed_call (mb, enter_method, NULL);
4426 clause->try_offset = mb->pos;
4428 /* Call the method */
4430 mono_mb_emit_ldarg (mb, 0);
4431 for (i = 0; i < sig->param_count; i++)
4432 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4433 mono_mb_emit_managed_call (mb, method, method->signature);
4434 if (!MONO_TYPE_IS_VOID (sig->ret))
4435 mono_mb_emit_stloc (mb, ret_local);
4437 mono_mb_emit_byte (mb, CEE_LEAVE);
4439 mono_mb_emit_i4 (mb, 0);
4441 clause->try_len = mb->pos - clause->try_offset;
4442 clause->handler_offset = mb->pos;
4444 /* Call Monitor::Exit() */
4445 mono_mb_emit_ldloc (mb, this_local);
4446 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4447 mono_mb_emit_managed_call (mb, exit_method, NULL);
4448 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4450 clause->handler_len = mb->pos - clause->handler_offset;
4452 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4453 if (!MONO_TYPE_IS_VOID (sig->ret))
4454 mono_mb_emit_ldloc (mb, ret_local);
4455 mono_mb_emit_byte (mb, CEE_RET);
4457 res = mono_mb_create_and_cache (cache, method,
4458 mb, sig, sig->param_count + 16);
4461 header = ((MonoMethodNormal *)res)->header;
4462 header->num_clauses = 1;
4463 header->clauses = clause;
4468 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4470 mono_marshal_alloc (gpointer size)
4472 MONO_ARCH_SAVE_REGS;
4474 return g_try_malloc ((gulong)size);
4478 mono_marshal_free (gpointer ptr)
4480 MONO_ARCH_SAVE_REGS;
4486 mono_marshal_free_array (gpointer *ptr, int size)
4493 for (i = 0; i < size; i++)
4499 mono_marshal_realloc (gpointer ptr, gpointer size)
4501 MONO_ARCH_SAVE_REGS;
4503 return g_try_realloc (ptr, (gulong)size);
4507 mono_marshal_string_array (MonoArray *array)
4515 len = mono_array_length (array);
4517 result = g_malloc (sizeof (char *) * (len + 1));
4518 for (i = 0; i < len; ++i) {
4519 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4520 result [i] = s ? mono_string_to_utf8 (s): NULL;
4522 /* null terminate the array */
4529 * mono_marshal_set_last_error:
4531 * This function is invoked to set the last error value from a P/Invoke call
4532 * which has SetLastError set.
4535 mono_marshal_set_last_error (void)
4538 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4540 TlsSetValue (last_error_tls_id, (gpointer)errno);
4545 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4546 gpointer dest, gint32 length)
4551 MONO_ARCH_SAVE_REGS;
4553 MONO_CHECK_ARG_NULL (src);
4554 MONO_CHECK_ARG_NULL (dest);
4556 g_assert (src->obj.vtable->klass->rank == 1);
4557 g_assert (start_index >= 0);
4558 g_assert (length >= 0);
4559 g_assert (start_index + length <= mono_array_length (src));
4561 element_size = mono_array_element_size (src->obj.vtable->klass);
4563 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4565 memcpy (dest, source_addr, length * element_size);
4569 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4570 MonoArray *dest, gint32 length)
4575 MONO_ARCH_SAVE_REGS;
4577 MONO_CHECK_ARG_NULL (src);
4578 MONO_CHECK_ARG_NULL (dest);
4580 g_assert (dest->obj.vtable->klass->rank == 1);
4581 g_assert (start_index >= 0);
4582 g_assert (length >= 0);
4583 g_assert (start_index + length <= mono_array_length (dest));
4585 element_size = mono_array_element_size (dest->obj.vtable->klass);
4587 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4589 memcpy (dest_addr, src, length * element_size);
4592 #if NO_UNALIGNED_ACCESS
4593 #define RETURN_UNALIGNED(type, addr) \
4596 memcpy(&val, p + offset, sizeof(val)); \
4599 #define WRITE_UNALIGNED(type, addr, val) \
4600 memcpy(addr, &val, sizeof(type))
4602 #define RETURN_UNALIGNED(type, addr) \
4603 return *(type*)(p + offset);
4604 #define WRITE_UNALIGNED(type, addr, val) \
4605 (*(type *)(addr) = (val))
4609 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4613 MONO_ARCH_SAVE_REGS;
4615 RETURN_UNALIGNED(gpointer, p + offset);
4619 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4623 MONO_ARCH_SAVE_REGS;
4625 return *(unsigned char*)(p + offset);
4629 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4633 MONO_ARCH_SAVE_REGS;
4635 RETURN_UNALIGNED(gint16, p + offset);
4639 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4643 MONO_ARCH_SAVE_REGS;
4645 RETURN_UNALIGNED(gint32, p + offset);
4649 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4653 MONO_ARCH_SAVE_REGS;
4655 RETURN_UNALIGNED(gint64, p + offset);
4659 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4663 MONO_ARCH_SAVE_REGS;
4665 *(unsigned char*)(p + offset) = val;
4669 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4673 MONO_ARCH_SAVE_REGS;
4675 WRITE_UNALIGNED(gpointer, p + offset, val);
4679 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4683 MONO_ARCH_SAVE_REGS;
4685 WRITE_UNALIGNED(gint16, p + offset, val);
4689 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4693 MONO_ARCH_SAVE_REGS;
4695 WRITE_UNALIGNED(gint32, p + offset, val);
4699 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4703 MONO_ARCH_SAVE_REGS;
4705 WRITE_UNALIGNED(gint64, p + offset, val);
4709 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4711 MONO_ARCH_SAVE_REGS;
4713 return mono_string_new (mono_domain_get (), ptr);
4717 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4719 MONO_ARCH_SAVE_REGS;
4721 return mono_string_new_len (mono_domain_get (), ptr, len);
4725 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4727 MonoDomain *domain = mono_domain_get ();
4731 MONO_ARCH_SAVE_REGS;
4736 return mono_string_new_utf16 (domain, ptr, len);
4740 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4742 MonoDomain *domain = mono_domain_get ();
4744 MONO_ARCH_SAVE_REGS;
4746 return mono_string_new_utf16 (domain, ptr, len);
4750 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4752 MONO_ARCH_SAVE_REGS;
4754 g_warning ("PtrToStringBSTR not implemented");
4755 g_assert_not_reached ();
4761 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4763 MONO_ARCH_SAVE_REGS;
4765 return ((guint32)TlsGetValue (last_error_tls_id));
4769 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4775 MONO_ARCH_SAVE_REGS;
4777 MONO_CHECK_ARG_NULL (rtype);
4780 klass = mono_class_from_mono_type (type);
4781 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
4783 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4787 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
4788 exc = mono_get_exception_argument ("t", msg);
4790 mono_raise_exception (exc);
4794 return mono_class_native_size (klass, NULL);
4798 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4803 MONO_ARCH_SAVE_REGS;
4805 MONO_CHECK_ARG_NULL (obj);
4806 MONO_CHECK_ARG_NULL (dst);
4808 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4812 pa [2] = &delete_old;
4814 mono_runtime_invoke (method, NULL, pa, NULL);
4818 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4823 MONO_ARCH_SAVE_REGS;
4825 MONO_CHECK_ARG_NULL (src);
4826 MONO_CHECK_ARG_NULL (dst);
4828 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4833 mono_runtime_invoke (method, NULL, pa, NULL);
4837 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4839 MonoDomain *domain = mono_domain_get ();
4842 MONO_ARCH_SAVE_REGS;
4844 MONO_CHECK_ARG_NULL (src);
4845 MONO_CHECK_ARG_NULL (type);
4847 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4849 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4855 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4857 MonoMarshalType *info;
4860 int i, match_index = -1;
4862 MONO_ARCH_SAVE_REGS;
4864 MONO_CHECK_ARG_NULL (type);
4865 MONO_CHECK_ARG_NULL (field_name);
4867 fname = mono_string_to_utf8 (field_name);
4868 klass = mono_class_from_mono_type (type->type);
4870 while(klass && match_index == -1) {
4871 for (i = 0; i < klass->field.count; ++i) {
4872 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4878 if(match_index == -1)
4879 klass = klass->parent;
4884 if(match_index == -1) {
4888 /* Get back original class instance */
4889 klass = mono_class_from_mono_type (type->type);
4891 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4892 exc = mono_get_exception_argument ("fieldName", tmp);
4895 mono_raise_exception ((MonoException*)exc);
4898 info = mono_marshal_load_type_info (klass);
4899 return info->fields [match_index].offset;
4903 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4905 MONO_ARCH_SAVE_REGS;
4907 return mono_string_to_utf8 (string);
4911 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4913 MONO_ARCH_SAVE_REGS;
4915 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4919 mono_struct_delete_old (MonoClass *klass, char *ptr)
4921 MonoMarshalType *info;
4924 info = mono_marshal_load_type_info (klass);
4926 for (i = 0; i < info->num_fields; i++) {
4927 MonoMarshalNative ntype;
4928 MonoMarshalConv conv;
4929 MonoType *ftype = info->fields [i].field->type;
4932 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4935 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4936 klass->unicode, &conv);
4938 cpos = ptr + info->fields [i].offset;
4941 case MONO_MARSHAL_CONV_NONE:
4942 if (MONO_TYPE_ISSTRUCT (ftype)) {
4943 mono_struct_delete_old (ftype->data.klass, cpos);
4947 case MONO_MARSHAL_CONV_STR_LPWSTR:
4948 case MONO_MARSHAL_CONV_STR_LPSTR:
4949 case MONO_MARSHAL_CONV_STR_LPTSTR:
4950 case MONO_MARSHAL_CONV_STR_BSTR:
4951 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4952 case MONO_MARSHAL_CONV_STR_TBSTR:
4953 g_free (*(gpointer *)cpos);
4962 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
4966 MONO_ARCH_SAVE_REGS;
4968 MONO_CHECK_ARG_NULL (src);
4969 MONO_CHECK_ARG_NULL (type);
4971 klass = mono_class_from_mono_type (type->type);
4973 mono_struct_delete_old (klass, (char *)src);
4977 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
4979 /* FIXME: Call AllocCoTaskMem under windows */
4980 MONO_ARCH_SAVE_REGS;
4982 return g_try_malloc ((gulong)size);
4986 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
4988 /* FIXME: Call FreeCoTaskMem under windows */
4989 MONO_ARCH_SAVE_REGS;
4995 mono_marshal_load_type_info (MonoClass* klass)
4997 int i, j, count = 0, native_size = 0;
4998 MonoMarshalType *info;
5001 g_assert (klass != NULL);
5003 if (klass->marshal_info)
5004 return klass->marshal_info;
5007 mono_class_init (klass);
5009 for (i = 0; i < klass->field.count; ++i) {
5010 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5012 if (mono_field_is_deleted (&klass->fields [i]))
5017 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
5019 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
5020 info->num_fields = count;
5022 /* Try to find a size for this type in metadata */
5023 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
5025 if (klass->parent) {
5026 int parent_size = mono_class_native_size (klass->parent, NULL);
5028 /* Add parent size to real size */
5029 native_size += parent_size;
5030 info->native_size = parent_size;
5033 for (j = i = 0; i < klass->field.count; ++i) {
5036 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5039 if (mono_field_is_deleted (&klass->fields [i]))
5041 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
5042 mono_metadata_field_info (klass->image, klass->field.first + i,
5043 NULL, NULL, &info->fields [j].mspec);
5045 info->fields [j].field = &klass->fields [i];
5047 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
5048 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
5049 /* This field is a hack inserted by MCS to empty structures */
5054 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
5055 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
5056 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
5057 &align, TRUE, klass->unicode);
5058 align = klass->packing_size ? MIN (klass->packing_size, align): align;
5059 info->fields [j].offset = info->native_size;
5060 info->fields [j].offset += align - 1;
5061 info->fields [j].offset &= ~(align - 1);
5062 info->native_size = info->fields [j].offset + size;
5064 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
5066 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
5067 info->native_size = klass->instance_size - sizeof (MonoObject);
5073 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5074 info->native_size = MAX (native_size, info->native_size);
5077 if (info->native_size & (klass->min_align - 1)) {
5078 info->native_size += klass->min_align - 1;
5079 info->native_size &= ~(klass->min_align - 1);
5082 return klass->marshal_info;
5086 * mono_class_native_size:
5089 * Returns: the native size of an object instance (when marshaled
5090 * to unmanaged code)
5093 mono_class_native_size (MonoClass *klass, guint32 *align)
5096 if (!klass->marshal_info)
5097 mono_marshal_load_type_info (klass);
5100 *align = klass->min_align;
5102 return klass->marshal_info->native_size;
5106 * mono_type_native_stack_size:
5107 * @t: the type to return the size it uses on the stack
5109 * Returns: the number of bytes required to hold an instance of this
5110 * type on the native stack
5113 mono_type_native_stack_size (MonoType *t, gint *align)
5117 g_assert (t != NULL);
5128 case MONO_TYPE_BOOLEAN:
5129 case MONO_TYPE_CHAR:
5138 case MONO_TYPE_STRING:
5139 case MONO_TYPE_OBJECT:
5140 case MONO_TYPE_CLASS:
5141 case MONO_TYPE_SZARRAY:
5143 case MONO_TYPE_FNPTR:
5144 case MONO_TYPE_ARRAY:
5145 case MONO_TYPE_TYPEDBYREF:
5156 case MONO_TYPE_VALUETYPE: {
5159 if (t->data.klass->enumtype)
5160 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
5162 size = mono_class_native_size (t->data.klass, align);
5163 *align = *align + 3;
5173 g_error ("type 0x%02x unknown", t->type);
5178 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
5179 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
5180 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
5181 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
5184 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
5185 gboolean as_field, gboolean unicode)
5187 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
5190 switch (native_type) {
5191 case MONO_NATIVE_BOOLEAN:
5194 case MONO_NATIVE_I1:
5195 case MONO_NATIVE_U1:
5198 case MONO_NATIVE_I2:
5199 case MONO_NATIVE_U2:
5200 case MONO_NATIVE_VARIANTBOOL:
5203 case MONO_NATIVE_I4:
5204 case MONO_NATIVE_U4:
5205 case MONO_NATIVE_ERROR:
5208 case MONO_NATIVE_I8:
5209 case MONO_NATIVE_U8:
5210 *align = ALIGNMENT(guint64);
5212 case MONO_NATIVE_R4:
5215 case MONO_NATIVE_R8:
5216 *align = ALIGNMENT(double);
5218 case MONO_NATIVE_INT:
5219 case MONO_NATIVE_UINT:
5220 case MONO_NATIVE_LPSTR:
5221 case MONO_NATIVE_LPWSTR:
5222 case MONO_NATIVE_LPTSTR:
5223 case MONO_NATIVE_BSTR:
5224 case MONO_NATIVE_ANSIBSTR:
5225 case MONO_NATIVE_TBSTR:
5226 case MONO_NATIVE_LPARRAY:
5227 case MONO_NATIVE_SAFEARRAY:
5228 case MONO_NATIVE_IUNKNOWN:
5229 case MONO_NATIVE_IDISPATCH:
5230 case MONO_NATIVE_INTERFACE:
5231 case MONO_NATIVE_ASANY:
5232 case MONO_NATIVE_FUNC:
5233 case MONO_NATIVE_LPSTRUCT:
5234 *align = ALIGNMENT(gpointer);
5235 return sizeof (gpointer);
5236 case MONO_NATIVE_STRUCT:
5237 klass = mono_class_from_mono_type (type);
5238 return mono_class_native_size (klass, align);
5239 case MONO_NATIVE_BYVALTSTR: {
5240 int esize = unicode ? 2: 1;
5243 return mspec->data.array_data.num_elem * esize;
5245 case MONO_NATIVE_BYVALARRAY: {
5247 klass = mono_class_from_mono_type (type);
5248 esize = mono_class_native_size (klass->element_class, align);
5250 return mspec->data.array_data.num_elem * esize;
5252 case MONO_NATIVE_CUSTOM:
5253 g_assert_not_reached ();
5255 case MONO_NATIVE_CURRENCY:
5256 case MONO_NATIVE_VBBYREFSTR:
5258 g_error ("native type %02x not implemented", native_type);
5261 g_assert_not_reached ();