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_LDC_I4_0);
1993 mono_mb_emit_stloc (mb, 0);
1995 mono_mb_emit_byte (mb, CEE_LEAVE);
1996 mono_mb_emit_i4 (mb, 0);
1998 clause->handler_len = mb->pos - clause->handler_offset;
2001 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2002 mono_mb_emit_ldloc (mb, 0);
2003 mono_mb_emit_byte (mb, CEE_RET);
2005 res = mono_mb_create_and_cache (cache, method,
2006 mb, csig, sig->param_count + 16);
2009 header = ((MonoMethodNormal *)res)->header;
2010 header->num_clauses = 1;
2011 header->clauses = clause;
2017 * generates IL code to call managed methods from unmanaged code
2020 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2022 MonoMethodSignature *sig, *csig;
2023 MonoMethodBuilder *mb;
2024 MonoClass *klass = NULL;
2027 int i, pos = 0, sigsize, *tmp_locals;
2028 static MonoMethodSignature *alloc_sig = NULL;
2031 g_assert (method != NULL);
2032 g_assert (!method->signature->pinvoke);
2034 cache = method->klass->image->managed_wrapper_cache;
2035 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2038 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2040 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2041 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2042 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2043 alloc_sig->pinvoke = 1;
2047 /* fime: howto free that memory ? */
2050 sig = method->signature;
2052 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2054 /* allocate local 0 (pointer) src_ptr */
2055 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2056 /* allocate local 1 (pointer) dst_ptr */
2057 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2058 /* allocate local 2 (boolean) delete_old */
2059 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2061 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2062 /* allocate local 3 to store the return value */
2063 mono_mb_add_local (mb, sig->ret);
2066 mono_mb_emit_icon (mb, 0);
2067 mono_mb_emit_byte (mb, CEE_STLOC_2);
2069 /* we copy the signature, so that we can modify it */
2070 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2071 csig = g_memdup (sig, sigsize);
2075 #ifdef PLATFORM_WIN32
2077 * Under windows, delegates passed to native code must use the STDCALL
2078 * calling convention.
2080 csig->call_convention = MONO_CALL_STDCALL;
2083 /* fixme: howto handle this ? */
2087 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2088 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2089 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2094 g_assert_not_reached ();
2099 /* we first do all conversions */
2100 tmp_locals = alloca (sizeof (int) * sig->param_count);
2101 for (i = 0; i < sig->param_count; i ++) {
2102 MonoType *t = sig->params [i];
2103 MonoMarshalSpec *spec = mspecs [i + 1];
2107 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2110 MonoMethod *marshal_native_to_managed;
2111 MonoMethod *get_instance;
2113 /* FIXME: Call CleanUpNativeData after the call */
2115 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2116 g_assert (mtype != NULL);
2117 mklass = mono_class_from_mono_type (mtype);
2118 g_assert (mklass != NULL);
2120 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2121 g_assert (marshal_native_to_managed);
2122 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2123 g_assert (get_instance);
2126 case MONO_TYPE_CLASS:
2127 case MONO_TYPE_OBJECT:
2128 case MONO_TYPE_STRING:
2129 case MONO_TYPE_ARRAY:
2130 case MONO_TYPE_SZARRAY:
2134 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2136 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
2138 mono_mb_emit_byte (mb, CEE_CALL);
2139 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2141 mono_mb_emit_ldarg (mb, i);
2143 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2144 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2146 mono_mb_emit_stloc (mb, tmp_locals [i]);
2149 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2150 g_assert_not_reached ();
2157 case MONO_TYPE_CLASS: {
2158 klass = t->data.klass;
2160 /* FIXME: Raise a MarshalDirectiveException here */
2161 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2163 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2165 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2166 mono_mb_emit_byte (mb, CEE_LDNULL);
2167 mono_mb_emit_stloc (mb, tmp_locals [i]);
2172 mono_mb_emit_ldarg (mb, i);
2176 /* Check for NULL and raise an exception */
2177 mono_mb_emit_byte (mb, CEE_BRTRUE);
2179 mono_mb_emit_i4 (mb, 0);
2181 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2183 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2184 mono_mb_emit_ldarg (mb, i);
2185 mono_mb_emit_byte (mb, CEE_LDIND_I);
2188 mono_mb_emit_byte (mb, CEE_STLOC_0);
2190 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2191 mono_mb_emit_stloc (mb, tmp_locals [i]);
2193 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2194 mono_mb_emit_byte (mb, CEE_BRFALSE);
2196 mono_mb_emit_i4 (mb, 0);
2198 /* Create and set dst */
2199 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2200 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2201 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2202 mono_mb_emit_stloc (mb, tmp_locals [i]);
2203 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2204 mono_mb_emit_icon (mb, sizeof (MonoObject));
2205 mono_mb_emit_byte (mb, CEE_ADD);
2206 mono_mb_emit_byte (mb, CEE_STLOC_1);
2208 /* emit valuetype conversion code */
2209 emit_struct_conv (mb, klass, TRUE);
2211 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2214 case MONO_TYPE_VALUETYPE:
2216 klass = sig->params [i]->data.klass;
2217 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2218 klass->blittable || klass->enumtype)
2221 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2224 mono_mb_emit_ldarg (mb, i);
2226 mono_mb_emit_ldarg_addr (mb, i);
2227 mono_mb_emit_byte (mb, CEE_STLOC_0);
2230 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2231 mono_mb_emit_byte (mb, CEE_BRFALSE);
2233 mono_mb_emit_i4 (mb, 0);
2236 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2237 mono_mb_emit_byte (mb, CEE_STLOC_1);
2239 /* emit valuetype convnversion code code */
2240 emit_struct_conv (mb, klass, TRUE);
2243 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2245 case MONO_TYPE_STRING:
2249 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2250 csig->params [i] = &mono_defaults.int_class->byval_arg;
2252 mono_mb_emit_ldarg (mb, i);
2253 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2254 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2255 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
2256 mono_mb_emit_stloc (mb, tmp_locals [i]);
2258 case MONO_TYPE_ARRAY:
2259 case MONO_TYPE_SZARRAY:
2263 klass = mono_class_from_mono_type (t);
2265 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2266 csig->params [i] = &mono_defaults.int_class->byval_arg;
2268 g_warning ("array marshaling not implemented");
2269 g_assert_not_reached ();
2274 for (i = 0; i < sig->param_count; i++) {
2275 MonoType *t = sig->params [i];
2278 case MONO_TYPE_BOOLEAN:
2292 mono_mb_emit_ldarg (mb, i);
2294 case MONO_TYPE_STRING:
2296 mono_mb_emit_ldarg (mb, i);
2298 g_assert (tmp_locals [i]);
2299 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2302 case MONO_TYPE_CLASS:
2304 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2306 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2308 case MONO_TYPE_ARRAY:
2309 case MONO_TYPE_SZARRAY:
2310 case MONO_TYPE_OBJECT:
2312 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2314 mono_mb_emit_ldarg (mb, i);
2316 case MONO_TYPE_VALUETYPE:
2317 klass = sig->params [i]->data.klass;
2318 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2319 klass->blittable || klass->enumtype) {
2320 mono_mb_emit_ldarg (mb, i);
2324 g_assert (tmp_locals [i]);
2326 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2328 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2331 g_warning ("type 0x%02x unknown", t->type);
2332 g_assert_not_reached ();
2336 mono_mb_emit_managed_call (mb, method, NULL);
2338 if (!sig->ret->byref) {
2339 switch (sig->ret->type) {
2340 case MONO_TYPE_VOID:
2342 case MONO_TYPE_BOOLEAN:
2356 case MONO_TYPE_OBJECT:
2357 mono_mb_emit_byte (mb, CEE_STLOC_3);
2359 case MONO_TYPE_STRING:
2360 csig->ret = &mono_defaults.int_class->byval_arg;
2362 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2363 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
2364 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
2365 mono_mb_emit_byte (mb, CEE_STLOC_3);
2367 case MONO_TYPE_VALUETYPE:
2368 klass = sig->ret->data.klass;
2369 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2370 klass->blittable || klass->enumtype)
2373 /* load pointer to returned value type */
2374 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2375 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2377 /* store the address of the source into local variable 0 */
2378 mono_mb_emit_byte (mb, CEE_STLOC_0);
2379 /* allocate space for the native struct and
2380 * store the address into dst_ptr */
2381 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2382 g_assert (retobj_var);
2383 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2384 mono_mb_emit_byte (mb, CEE_CONV_I);
2385 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2386 mono_mb_emit_byte (mb, CEE_STLOC_1);
2387 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2388 mono_mb_emit_stloc (mb, retobj_var);
2390 /* emit valuetype conversion code */
2391 emit_struct_conv (mb, klass, FALSE);
2393 case MONO_TYPE_CLASS: {
2396 klass = sig->ret->data.klass;
2398 /* FIXME: Raise a MarshalDirectiveException here */
2399 g_assert ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) != TYPE_ATTRIBUTE_AUTO_LAYOUT);
2401 mono_mb_emit_byte (mb, CEE_STLOC_0);
2402 /* Check for null */
2403 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2404 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2405 mono_mb_emit_byte (mb, CEE_LDNULL);
2406 mono_mb_emit_byte (mb, CEE_STLOC_3);
2407 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2409 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2412 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2413 mono_mb_emit_icon (mb, sizeof (MonoObject));
2414 mono_mb_emit_byte (mb, CEE_ADD);
2415 mono_mb_emit_byte (mb, CEE_STLOC_0);
2417 /* Allocate and set dest */
2418 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2419 mono_mb_emit_byte (mb, CEE_CONV_I);
2420 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2421 mono_mb_emit_byte (mb, CEE_DUP);
2422 mono_mb_emit_byte (mb, CEE_STLOC_1);
2423 mono_mb_emit_byte (mb, CEE_STLOC_3);
2425 emit_struct_conv (mb, klass, FALSE);
2427 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2431 g_warning ("return type 0x%02x unknown", sig->ret->type);
2432 g_assert_not_reached ();
2435 mono_mb_emit_byte (mb, CEE_STLOC_3);
2438 /* Convert byref arguments back */
2439 for (i = 0; i < sig->param_count; i ++) {
2440 MonoType *t = sig->params [i];
2446 case MONO_TYPE_CLASS: {
2449 klass = t->data.klass;
2451 /* Check for null */
2452 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2453 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2454 mono_mb_emit_ldarg (mb, i);
2455 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2456 mono_mb_emit_byte (mb, CEE_STIND_I);
2457 pos2 = mono_mb_emit_branch (mb, CEE_BR);
2459 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2462 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2463 mono_mb_emit_icon (mb, sizeof (MonoObject));
2464 mono_mb_emit_byte (mb, CEE_ADD);
2465 mono_mb_emit_byte (mb, CEE_STLOC_0);
2467 /* Allocate and set dest */
2468 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2469 mono_mb_emit_byte (mb, CEE_CONV_I);
2470 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2471 mono_mb_emit_byte (mb, CEE_STLOC_1);
2473 /* Update argument pointer */
2474 mono_mb_emit_ldarg (mb, i);
2475 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2476 mono_mb_emit_byte (mb, CEE_STIND_I);
2478 /* emit valuetype conversion code */
2479 emit_struct_conv (mb, klass, FALSE);
2481 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2488 mono_mb_emit_ldloc (mb, retobj_var);
2489 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2490 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
2491 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2494 if (!MONO_TYPE_IS_VOID(sig->ret))
2495 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2496 mono_mb_emit_byte (mb, CEE_RET);
2500 res = mono_mb_create_and_cache (cache, method,
2501 mb, csig, sig->param_count + 16);
2503 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2506 //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));
2512 * mono_marshal_get_ldfld_wrapper:
2513 * @type: the type of the field
2515 * This method generates a function which can be use to load a field with type
2516 * @type from an object. The generated function has the following signature:
2517 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
2520 mono_marshal_get_ldfld_wrapper (MonoType *type)
2522 MonoMethodSignature *sig, *csig;
2523 MonoMethodBuilder *mb;
2526 static GHashTable *ldfld_hash = NULL;
2528 int t, pos0, pos1 = 0;
2533 if (type->type == MONO_TYPE_SZARRAY) {
2534 klass = mono_defaults.array_class;
2535 } else if (type->type == MONO_TYPE_VALUETYPE) {
2536 klass = type->data.klass;
2537 if (klass->enumtype) {
2538 t = klass->enum_basetype->type;
2539 klass = mono_class_from_mono_type (klass->enum_basetype);
2541 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2542 t == MONO_TYPE_CLASS) {
2543 klass = mono_defaults.object_class;
2544 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2545 klass = mono_defaults.int_class;
2547 klass = mono_class_from_mono_type (type);
2550 klass = mono_defaults.int_class;
2553 EnterCriticalSection (&marshal_mutex);
2555 ldfld_hash = g_hash_table_new (NULL, NULL);
2556 res = g_hash_table_lookup (ldfld_hash, klass);
2557 LeaveCriticalSection (&marshal_mutex);
2561 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
2562 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
2565 mb->method->save_lmf = 1;
2567 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2568 sig->params [0] = &mono_defaults.object_class->byval_arg;
2569 sig->params [1] = &mono_defaults.int_class->byval_arg;
2570 sig->params [2] = &mono_defaults.int_class->byval_arg;
2571 sig->params [3] = &mono_defaults.int_class->byval_arg;
2572 sig->ret = &klass->byval_arg;
2574 mono_mb_emit_ldarg (mb, 0);
2575 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2577 mono_mb_emit_ldarg (mb, 0);
2578 mono_mb_emit_ldarg (mb, 1);
2579 mono_mb_emit_ldarg (mb, 2);
2581 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
2582 csig->params [0] = &mono_defaults.object_class->byval_arg;
2583 csig->params [1] = &mono_defaults.int_class->byval_arg;
2584 csig->params [2] = &mono_defaults.int_class->byval_arg;
2585 csig->ret = &klass->this_arg;
2588 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
2590 if (klass->valuetype) {
2591 mono_mb_emit_byte (mb, CEE_UNBOX);
2592 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2593 mono_mb_emit_byte (mb, CEE_BR);
2595 mono_mb_emit_i4 (mb, 0);
2597 mono_mb_emit_byte (mb, CEE_RET);
2601 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2603 mono_mb_emit_ldarg (mb, 0);
2604 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2605 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2606 mono_mb_emit_ldarg (mb, 3);
2607 mono_mb_emit_byte (mb, CEE_ADD);
2609 if (klass->valuetype)
2610 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2615 case MONO_TYPE_BOOLEAN:
2616 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2618 case MONO_TYPE_CHAR:
2621 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2625 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2629 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2632 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2635 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2637 case MONO_TYPE_ARRAY:
2639 case MONO_TYPE_FNPTR:
2640 case MONO_TYPE_SZARRAY:
2641 case MONO_TYPE_OBJECT:
2642 case MONO_TYPE_CLASS:
2643 case MONO_TYPE_STRING:
2646 mono_mb_emit_byte (mb, CEE_LDIND_I);
2648 case MONO_TYPE_VALUETYPE:
2649 g_assert (!klass->enumtype);
2650 mono_mb_emit_byte (mb, CEE_LDOBJ);
2651 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2654 g_warning ("type %x not implemented", type->type);
2655 g_assert_not_reached ();
2658 mono_mb_emit_byte (mb, CEE_RET);
2660 res = mono_mb_create_and_cache (ldfld_hash, klass,
2661 mb, sig, sig->param_count + 16);
2668 * mono_marshal_get_stfld_wrapper:
2669 * @type: the type of the field
2671 * This method generates a function which can be use to store a field with type
2672 * @type. The generated function has the following signature:
2673 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
2676 mono_marshal_get_stfld_wrapper (MonoType *type)
2678 MonoMethodSignature *sig, *csig;
2679 MonoMethodBuilder *mb;
2682 static GHashTable *stfld_hash = NULL;
2689 if (type->type == MONO_TYPE_SZARRAY) {
2690 klass = mono_defaults.array_class;
2691 } else if (type->type == MONO_TYPE_VALUETYPE) {
2692 klass = type->data.klass;
2693 if (klass->enumtype) {
2694 t = klass->enum_basetype->type;
2695 klass = mono_class_from_mono_type (klass->enum_basetype);
2697 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
2698 t == MONO_TYPE_CLASS) {
2699 klass = mono_defaults.object_class;
2700 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
2701 klass = mono_defaults.int_class;
2703 klass = mono_class_from_mono_type (type);
2706 klass = mono_defaults.int_class;
2709 EnterCriticalSection (&marshal_mutex);
2711 stfld_hash = g_hash_table_new (NULL, NULL);
2712 res = g_hash_table_lookup (stfld_hash, klass);
2713 LeaveCriticalSection (&marshal_mutex);
2717 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
2718 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
2721 mb->method->save_lmf = 1;
2723 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
2724 sig->params [0] = &mono_defaults.object_class->byval_arg;
2725 sig->params [1] = &mono_defaults.int_class->byval_arg;
2726 sig->params [2] = &mono_defaults.int_class->byval_arg;
2727 sig->params [3] = &mono_defaults.int_class->byval_arg;
2728 sig->params [4] = &klass->byval_arg;
2729 sig->ret = &mono_defaults.void_class->byval_arg;
2731 mono_mb_emit_ldarg (mb, 0);
2732 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2734 mono_mb_emit_ldarg (mb, 0);
2735 mono_mb_emit_ldarg (mb, 1);
2736 mono_mb_emit_ldarg (mb, 2);
2737 mono_mb_emit_ldarg (mb, 4);
2739 if (klass->valuetype) {
2740 mono_mb_emit_byte (mb, CEE_BOX);
2741 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2744 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
2745 csig->params [0] = &mono_defaults.object_class->byval_arg;
2746 csig->params [1] = &mono_defaults.int_class->byval_arg;
2747 csig->params [2] = &mono_defaults.int_class->byval_arg;
2748 csig->params [3] = &klass->this_arg;
2749 csig->ret = &mono_defaults.void_class->byval_arg;
2752 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
2754 mono_mb_emit_byte (mb, CEE_RET);
2756 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2758 mono_mb_emit_ldarg (mb, 0);
2759 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2760 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2761 mono_mb_emit_ldarg (mb, 3);
2762 mono_mb_emit_byte (mb, CEE_ADD);
2763 mono_mb_emit_ldarg (mb, 4);
2768 case MONO_TYPE_BOOLEAN:
2769 mono_mb_emit_byte (mb, CEE_STIND_I1);
2771 case MONO_TYPE_CHAR:
2774 mono_mb_emit_byte (mb, CEE_STIND_I2);
2778 mono_mb_emit_byte (mb, CEE_STIND_I4);
2782 mono_mb_emit_byte (mb, CEE_STIND_I8);
2785 mono_mb_emit_byte (mb, CEE_STIND_R4);
2788 mono_mb_emit_byte (mb, CEE_STIND_R8);
2790 case MONO_TYPE_ARRAY:
2792 case MONO_TYPE_FNPTR:
2793 case MONO_TYPE_SZARRAY:
2794 case MONO_TYPE_OBJECT:
2795 case MONO_TYPE_CLASS:
2796 case MONO_TYPE_STRING:
2799 mono_mb_emit_byte (mb, CEE_STIND_I);
2801 case MONO_TYPE_VALUETYPE:
2802 g_assert (!klass->enumtype);
2803 mono_mb_emit_byte (mb, CEE_STOBJ);
2804 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2807 g_warning ("type %x not implemented", type->type);
2808 g_assert_not_reached ();
2811 mono_mb_emit_byte (mb, CEE_RET);
2813 res = mono_mb_create_and_cache (stfld_hash, klass,
2814 mb, sig, sig->param_count + 16);
2821 * generates IL code for the icall wrapper (the generated method
2822 * calls the unmanaged code in func)
2825 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
2827 MonoMethodSignature *csig;
2828 MonoMethodBuilder *mb;
2832 g_assert (sig->pinvoke);
2834 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2836 mb->method->save_lmf = 1;
2838 /* we copy the signature, so that we can modify it */
2839 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2842 mono_mb_emit_byte (mb, CEE_LDARG_0);
2844 for (i = 0; i < sig->param_count; i++)
2845 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2847 mono_mb_emit_native_call (mb, sig, (gpointer) func);
2849 mono_mb_emit_byte (mb, CEE_RET);
2851 csig = g_memdup (sig, sigsize);
2854 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
2861 * mono_marshal_get_native_wrapper:
2862 * @method: The MonoMethod to wrap.
2864 * generates IL code for the pinvoke wrapper (the generated method
2865 * calls the unmanaged code in method->addr)
2868 mono_marshal_get_native_wrapper (MonoMethod *method)
2870 MonoMethodSignature *sig, *csig;
2871 MonoMethodPInvoke *piinfo;
2872 MonoMethodBuilder *mb;
2873 MonoMarshalSpec **mspecs;
2877 gboolean pinvoke = FALSE;
2878 int i, pos, argnum, *tmp_locals;
2880 const char *exc_class = "MissingMethodException";
2881 const char *exc_arg = NULL;
2883 g_assert (method != NULL);
2884 g_assert (method->signature->pinvoke);
2886 cache = method->klass->image->native_wrapper_cache;
2887 if ((res = mono_marshal_find_in_cache (cache, method)))
2890 sig = method->signature;
2891 sigsize = sizeof (MonoMethodSignature) + sig->param_count * sizeof (MonoType *);
2893 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
2894 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
2897 if (!method->addr) {
2899 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
2901 method->addr = mono_lookup_internal_call (method);
2904 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
2906 mb->method->save_lmf = 1;
2908 piinfo = (MonoMethodPInvoke *)method;
2910 if (!method->addr) {
2911 mono_mb_emit_exception (mb, exc_class, exc_arg);
2912 csig = g_memdup (sig, sigsize);
2914 res = mono_mb_create_and_cache (cache, method,
2915 mb, csig, csig->param_count + 16);
2920 /* internal calls: we simply push all arguments and call the method (no conversions) */
2921 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
2923 /* hack - string constructors returns a value */
2924 if (method->string_ctor) {
2925 csig = g_memdup (sig, sigsize);
2926 csig->ret = &mono_defaults.string_class->byval_arg;
2931 mono_mb_emit_byte (mb, CEE_LDARG_0);
2933 for (i = 0; i < sig->param_count; i++)
2934 mono_mb_emit_ldarg (mb, i + sig->hasthis);
2936 g_assert (method->addr);
2937 mono_mb_emit_native_call (mb, csig, method->addr);
2939 mono_mb_emit_byte (mb, CEE_RET);
2941 csig = g_memdup (csig, sigsize);
2943 res = mono_mb_create_and_cache (cache, method,
2944 mb, csig, csig->param_count + 16);
2951 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
2952 mono_method_get_marshal_info (method, mspecs);
2954 /* pinvoke: we need to convert the arguments if necessary */
2956 /* we copy the signature, so that we can set pinvoke to 0 */
2957 csig = g_memdup (sig, sigsize);
2960 /* we allocate local for use with emit_struct_conv() */
2961 /* allocate local 0 (pointer) src_ptr */
2962 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2963 /* allocate local 1 (pointer) dst_ptr */
2964 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2965 /* allocate local 2 (boolean) delete_old */
2966 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2968 /* delete_old = FALSE */
2969 mono_mb_emit_icon (mb, 0);
2970 mono_mb_emit_byte (mb, CEE_STLOC_2);
2972 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2973 /* allocate local 3 to store the return value */
2974 mono_mb_add_local (mb, sig->ret);
2977 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
2978 /* Return type custom marshaling */
2980 * Since we can't determine the return type of the unmanaged function,
2981 * we assume it returns a pointer, and pass that pointer to
2982 * MarshalNativeToManaged.
2984 csig->ret = &mono_defaults.int_class->byval_arg;
2987 /* we first do all conversions */
2988 tmp_locals = alloca (sizeof (int) * sig->param_count);
2990 for (i = 0; i < sig->param_count; i ++) {
2991 MonoType *t = sig->params [i];
2992 MonoMarshalSpec *spec = mspecs [i + 1];
2994 argnum = i + sig->hasthis;
2997 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3000 MonoMethod *marshal_managed_to_native;
3001 MonoMethod *get_instance;
3003 /* FIXME: Call CleanUpNativeData after the call */
3005 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3006 g_assert (mtype != NULL);
3007 mklass = mono_class_from_mono_type (mtype);
3008 g_assert (mklass != NULL);
3010 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
3011 g_assert (marshal_managed_to_native);
3012 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3013 g_assert (get_instance);
3016 case MONO_TYPE_CLASS:
3017 case MONO_TYPE_OBJECT:
3018 case MONO_TYPE_STRING:
3019 case MONO_TYPE_ARRAY:
3020 case MONO_TYPE_SZARRAY:
3021 case MONO_TYPE_VALUETYPE:
3025 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3027 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3029 mono_mb_emit_byte (mb, CEE_CALL);
3030 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3032 mono_mb_emit_ldarg (mb, argnum);
3034 if (t->type == MONO_TYPE_VALUETYPE) {
3036 * Since we can't determine the type of the argument, we
3037 * will assume the unmanaged function takes a pointer.
3039 csig->params [i] = &mono_defaults.int_class->byval_arg;
3041 mono_mb_emit_byte (mb, CEE_BOX);
3042 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3045 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3046 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3049 * The first 4 bytes are used by MS for something...
3051 mono_mb_emit_byte (mb, CEE_LDC_I4_4);
3052 mono_mb_emit_byte (mb, CEE_ADD);
3054 mono_mb_emit_stloc (mb, tmp_locals [i]);
3058 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3059 g_assert_not_reached ();
3065 if (spec && spec->native == MONO_NATIVE_ASANY) {
3066 char *msg = g_strdup_printf ("marshalling conversion UnmanagedType.AsAny not implemented");
3067 MonoException *exc = mono_get_exception_not_implemented (msg);
3070 mono_raise_exception (exc);
3074 case MONO_TYPE_VALUETYPE:
3075 klass = t->data.klass;
3077 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3078 klass->blittable || klass->enumtype)
3081 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3083 /* store the address of the source into local variable 0 */
3085 mono_mb_emit_ldarg (mb, argnum);
3087 mono_mb_emit_ldarg_addr (mb, argnum);
3089 mono_mb_emit_byte (mb, CEE_STLOC_0);
3091 /* allocate space for the native struct and
3092 * store the address into local variable 1 (dest) */
3093 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3094 mono_mb_emit_byte (mb, CEE_PREFIX1);
3095 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3096 mono_mb_emit_stloc (mb, tmp_locals [i]);
3099 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3100 mono_mb_emit_byte (mb, CEE_BRFALSE);
3102 mono_mb_emit_i4 (mb, 0);
3106 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3107 mono_mb_emit_byte (mb, CEE_STLOC_1);
3109 /* emit valuetype conversion code */
3110 emit_struct_conv (mb, klass, FALSE);
3113 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3115 case MONO_TYPE_STRING:
3116 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3117 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3120 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3123 mono_mb_emit_ldarg (mb, argnum);
3124 mono_mb_emit_byte (mb, CEE_LDIND_I);
3126 mono_mb_emit_ldarg (mb, argnum);
3129 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3130 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3133 switch (spec->native) {
3134 case MONO_NATIVE_LPWSTR:
3135 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3137 case MONO_NATIVE_LPSTR:
3138 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3141 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", spec->native);
3142 MonoException *exc = mono_get_exception_not_implemented (msg);
3145 mono_raise_exception (exc);
3149 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3150 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3151 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3153 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3154 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPWSTR);
3156 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3157 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPTSTR);
3160 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STR_LPSTR);
3165 mono_mb_emit_stloc (mb, tmp_locals [i]);
3167 case MONO_TYPE_CLASS:
3168 case MONO_TYPE_OBJECT:
3169 klass = t->data.klass;
3171 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3172 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3174 if (klass->delegate) {
3175 g_assert (!t->byref);
3176 mono_mb_emit_ldarg (mb, argnum);
3177 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3178 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3179 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_DEL_FTN);
3180 mono_mb_emit_stloc (mb, tmp_locals [i]);
3181 } else if (klass == mono_defaults.stringbuilder_class) {
3182 g_assert (!t->byref);
3183 mono_mb_emit_ldarg (mb, argnum);
3184 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3185 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3188 switch (spec->native) {
3189 case MONO_NATIVE_LPWSTR:
3190 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3192 case MONO_NATIVE_LPSTR:
3193 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3196 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", spec->native);
3197 MonoException *exc = mono_get_exception_not_implemented (msg);
3200 mono_raise_exception (exc);
3204 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3205 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3206 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3208 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3209 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPWSTR);
3211 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3212 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPTSTR);
3215 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_SB_LPSTR);
3220 mono_mb_emit_stloc (mb, tmp_locals [i]);
3222 mono_mb_emit_byte (mb, CEE_LDNULL);
3223 mono_mb_emit_stloc (mb, tmp_locals [i]);
3226 /* we dont need any conversions for out parameters */
3227 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3230 mono_mb_emit_ldarg (mb, argnum);
3231 mono_mb_emit_byte (mb, CEE_LDIND_I);
3234 mono_mb_emit_ldarg (mb, argnum);
3235 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3236 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3239 /* store the address of the source into local variable 0 */
3240 mono_mb_emit_byte (mb, CEE_STLOC_0);
3241 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3242 mono_mb_emit_byte (mb, CEE_BRFALSE);
3244 mono_mb_emit_i4 (mb, 0);
3246 /* allocate space for the native struct and store the address */
3247 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3248 mono_mb_emit_byte (mb, CEE_PREFIX1);
3249 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3250 mono_mb_emit_stloc (mb, tmp_locals [i]);
3252 /* set the src_ptr */
3253 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3254 mono_mb_emit_icon (mb, sizeof (MonoObject));
3255 mono_mb_emit_byte (mb, CEE_ADD);
3256 mono_mb_emit_byte (mb, CEE_STLOC_0);
3259 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3260 mono_mb_emit_byte (mb, CEE_STLOC_1);
3262 /* emit valuetype conversion code */
3263 emit_struct_conv (mb, klass, FALSE);
3265 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3269 case MONO_TYPE_ARRAY:
3270 case MONO_TYPE_SZARRAY:
3274 klass = mono_class_from_mono_type (t);
3276 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3277 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3279 if (klass->element_class == mono_defaults.string_class) {
3280 mono_mb_emit_ldarg (mb, argnum);
3281 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3282 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3284 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3285 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3286 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRWLPARRAY);
3289 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_STRARRAY_STRLPARRAY);
3292 mono_mb_emit_stloc (mb, tmp_locals [i]);
3294 else if (klass->element_class->blittable) {
3295 mono_mb_emit_ldarg (mb, argnum);
3296 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3297 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3299 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_ARRAY_LPARRAY);
3300 mono_mb_emit_stloc (mb, tmp_locals [i]);
3304 guint32 label1, label2, label3;
3305 int index_var, dest_ptr;
3307 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3310 mono_mb_emit_ldarg (mb, argnum);
3311 mono_mb_emit_stloc (mb, tmp_locals [i]);
3312 mono_mb_emit_ldarg (mb, argnum);
3313 mono_mb_emit_byte (mb, CEE_BRFALSE);
3315 mono_mb_emit_i4 (mb, 0);
3317 /* allocate space for the native struct and store the address */
3318 eklass = klass->element_class;
3319 mono_mb_emit_icon (mb, mono_class_native_size (eklass, NULL));
3320 mono_mb_emit_ldarg (mb, argnum);
3321 mono_mb_emit_byte (mb, CEE_LDLEN);
3322 mono_mb_emit_byte (mb, CEE_MUL);
3323 mono_mb_emit_byte (mb, CEE_PREFIX1);
3324 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3325 mono_mb_emit_stloc (mb, tmp_locals [i]);
3327 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3328 mono_mb_emit_stloc (mb, dest_ptr);
3330 /* Emit marshalling loop */
3331 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3332 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3333 mono_mb_emit_stloc (mb, index_var);
3335 mono_mb_emit_ldloc (mb, index_var);
3336 mono_mb_emit_ldarg (mb, argnum);
3337 mono_mb_emit_byte (mb, CEE_LDLEN);
3338 mono_mb_emit_byte (mb, CEE_BGE);
3340 mono_mb_emit_i4 (mb, 0);
3342 /* Emit marshalling code */
3344 /* set the src_ptr */
3345 mono_mb_emit_ldarg (mb, argnum);
3346 mono_mb_emit_ldloc (mb, index_var);
3347 mono_mb_emit_byte (mb, CEE_LDELEMA);
3348 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3349 mono_mb_emit_byte (mb, CEE_STLOC_0);
3352 mono_mb_emit_ldloc (mb, dest_ptr);
3353 mono_mb_emit_byte (mb, CEE_STLOC_1);
3355 /* emit valuetype conversion code */
3356 emit_struct_conv (mb, eklass, FALSE);
3358 mono_mb_emit_add_to_local (mb, index_var, 1);
3359 mono_mb_emit_add_to_local (mb, dest_ptr, mono_class_native_size (eklass, NULL));
3361 mono_mb_emit_byte (mb, CEE_BR);
3362 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3364 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3365 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3369 case MONO_TYPE_BOOLEAN: {
3370 MonoType *local_type;
3371 int variant_bool = 0;
3375 local_type = &mono_defaults.int32_class->byval_arg;
3377 switch (spec->native) {
3378 case MONO_NATIVE_I1:
3379 local_type = &mono_defaults.byte_class->byval_arg;
3381 case MONO_NATIVE_VARIANTBOOL:
3382 local_type = &mono_defaults.int16_class->byval_arg;
3386 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
3390 csig->params [argnum] = &mono_defaults.int_class->byval_arg;
3391 tmp_locals [i] = mono_mb_add_local (mb, local_type);
3392 mono_mb_emit_ldarg (mb, argnum);
3393 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3395 mono_mb_emit_byte (mb, CEE_NEG);
3396 mono_mb_emit_stloc (mb, tmp_locals [i]);
3402 /* push all arguments */
3405 mono_mb_emit_byte (mb, CEE_LDARG_0);
3407 for (i = 0; i < sig->param_count; i++) {
3408 MonoType *t = sig->params [i];
3409 MonoMarshalSpec *spec = mspecs [i + 1];
3411 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3412 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3415 argnum = i + sig->hasthis;
3418 case MONO_TYPE_BOOLEAN:
3420 g_assert (tmp_locals [i]);
3421 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3423 mono_mb_emit_ldarg (mb, argnum);
3438 mono_mb_emit_ldarg (mb, argnum);
3440 case MONO_TYPE_VALUETYPE:
3441 klass = sig->params [i]->data.klass;
3442 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3443 klass->blittable || klass->enumtype) {
3444 mono_mb_emit_ldarg (mb, argnum);
3447 g_assert (tmp_locals [i]);
3448 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3450 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3451 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3452 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3455 case MONO_TYPE_STRING:
3456 case MONO_TYPE_CLASS:
3457 case MONO_TYPE_OBJECT:
3458 g_assert (tmp_locals [i]);
3460 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3462 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3464 case MONO_TYPE_CHAR:
3465 /* fixme: dont know how to marshal that. We cant simply
3466 * convert it to a one byte UTF8 character, because an
3467 * unicode character may need more that one byte in UTF8 */
3468 mono_mb_emit_ldarg (mb, argnum);
3470 case MONO_TYPE_ARRAY:
3471 case MONO_TYPE_SZARRAY:
3473 mono_mb_emit_ldarg (mb, argnum);
3475 g_assert (tmp_locals [i]);
3476 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3479 case MONO_TYPE_TYPEDBYREF:
3480 case MONO_TYPE_FNPTR:
3482 g_warning ("type 0x%02x unknown", t->type);
3483 g_assert_not_reached ();
3488 /* call the native method */
3489 mono_mb_emit_native_call (mb, csig, method->addr);
3491 /* Set LastError if needed */
3492 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
3493 MonoMethodSignature *lasterr_sig;
3495 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
3496 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
3497 lasterr_sig->pinvoke = 1;
3499 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
3502 /* convert the result */
3503 if (!sig->ret->byref) {
3504 MonoMarshalSpec *spec = mspecs [0];
3505 type = sig->ret->type;
3507 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3510 MonoMethod *marshal_native_to_managed;
3511 MonoMethod *get_instance;
3513 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3514 g_assert (mtype != NULL);
3515 mklass = mono_class_from_mono_type (mtype);
3516 g_assert (mklass != NULL);
3518 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3519 g_assert (marshal_native_to_managed);
3520 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3521 g_assert (get_instance);
3524 case MONO_TYPE_CLASS:
3525 case MONO_TYPE_OBJECT:
3526 case MONO_TYPE_STRING:
3527 case MONO_TYPE_ARRAY:
3528 case MONO_TYPE_SZARRAY:
3529 case MONO_TYPE_VALUETYPE:
3530 if (type == MONO_TYPE_VALUETYPE) {
3531 /* local 3 can't hold a pointer */
3532 mono_mb_emit_byte (mb, CEE_STLOC_0);
3535 mono_mb_emit_byte (mb, CEE_STLOC_3);
3537 mono_mb_emit_ldstr (mb, spec->data.custom_data.cookie);
3539 mono_mb_emit_byte (mb, CEE_CALL);
3540 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3542 if (type == MONO_TYPE_VALUETYPE)
3543 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3545 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3547 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3548 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3550 if (type == MONO_TYPE_VALUETYPE) {
3551 mono_mb_emit_byte (mb, CEE_UNBOX);
3552 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
3554 mono_mb_emit_byte (mb, CEE_STLOC_3);
3557 g_warning ("custom marshalling of type %x is currently not supported", type);
3558 g_assert_not_reached ();
3565 case MONO_TYPE_VOID:
3580 /* no conversions necessary */
3581 mono_mb_emit_byte (mb, CEE_STLOC_3);
3583 case MONO_TYPE_BOOLEAN:
3584 /* maybe we need to make sure that it fits within 8 bits */
3585 mono_mb_emit_byte (mb, CEE_STLOC_3);
3587 case MONO_TYPE_VALUETYPE:
3588 klass = sig->ret->data.klass;
3589 if (klass->enumtype) {
3590 type = sig->ret->data.klass->enum_basetype->type;
3594 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3596 mono_mb_emit_byte (mb, CEE_STLOC_3);
3599 /* load pointer to returned value type */
3600 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3601 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3602 /* store the address of the source into local variable 0 */
3603 mono_mb_emit_byte (mb, CEE_STLOC_0);
3605 mono_mb_emit_ldloc_addr (mb, 3);
3606 mono_mb_emit_byte (mb, CEE_STLOC_1);
3608 /* emit valuetype conversion code */
3609 emit_struct_conv (mb, sig->ret->data.klass, TRUE);
3611 case MONO_TYPE_STRING:
3612 #ifdef GTK_SHARP_FIXED
3613 mono_mb_emit_byte (mb, CEE_STLOC_0);
3614 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3617 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3618 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3620 switch (spec->native) {
3621 case MONO_NATIVE_LPWSTR:
3622 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_STR);
3625 g_warning ("marshalling conversion not implemented");
3626 g_assert_not_reached ();
3629 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3631 mono_mb_emit_byte (mb, CEE_STLOC_3);
3633 #ifdef GTK_SHARP_FIXED
3634 /* free the string */
3635 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3636 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3637 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3640 case MONO_TYPE_CLASS:
3641 case MONO_TYPE_OBJECT:
3642 klass = sig->ret->data.klass;
3645 mono_mb_emit_byte (mb, CEE_STLOC_0);
3647 mono_mb_emit_byte (mb, CEE_LDNULL);
3648 mono_mb_emit_byte (mb, CEE_STLOC_3);
3651 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3652 mono_mb_emit_byte (mb, CEE_BRFALSE);
3654 mono_mb_emit_i4 (mb, 0);
3656 /* allocate result object */
3658 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3659 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3660 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3661 mono_mb_emit_byte (mb, CEE_STLOC_3);
3665 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3666 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3667 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3668 mono_mb_emit_icon (mb, sizeof (MonoObject));
3669 mono_mb_emit_byte (mb, CEE_ADD);
3670 mono_mb_emit_byte (mb, CEE_STLOC_1);
3672 /* emit conversion code */
3673 emit_struct_conv (mb, klass, TRUE);
3675 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3677 case MONO_TYPE_ARRAY:
3678 case MONO_TYPE_SZARRAY:
3679 /* fixme: we need conversions here */
3680 mono_mb_emit_byte (mb, CEE_STLOC_3);
3682 case MONO_TYPE_CHAR:
3683 /* fixme: we need conversions here */
3684 mono_mb_emit_byte (mb, CEE_STLOC_3);
3686 case MONO_TYPE_TYPEDBYREF:
3687 case MONO_TYPE_FNPTR:
3689 g_warning ("return type 0x%02x unknown", sig->ret->type);
3690 g_assert_not_reached ();
3694 mono_mb_emit_byte (mb, CEE_STLOC_3);
3697 /* we need to convert byref arguments back and free string arrays */
3698 for (i = 0; i < sig->param_count; i++) {
3699 MonoType *t = sig->params [i];
3700 MonoMarshalSpec *spec = mspecs [i + 1];
3702 argnum = i + sig->hasthis;
3705 case MONO_TYPE_STRING:
3706 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3707 mono_mb_emit_ldarg (mb, argnum);
3708 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3709 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3710 mono_mb_emit_byte (mb, CEE_MONO_FUNC1);
3711 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_STR);
3712 mono_mb_emit_byte (mb, CEE_STIND_I);
3714 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3715 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3716 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3719 case MONO_TYPE_CLASS:
3720 case MONO_TYPE_OBJECT:
3721 if (t->data.klass == mono_defaults.stringbuilder_class) {
3722 gboolean need_free = TRUE;
3724 g_assert (!t->byref);
3725 mono_mb_emit_ldarg (mb, argnum);
3726 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3727 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3728 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3731 switch (spec->native) {
3732 case MONO_NATIVE_LPWSTR:
3733 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3735 * mono_string_builder_to_utf16 does not allocate a
3736 * new buffer, so no need to free it.
3740 case MONO_NATIVE_LPSTR:
3741 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3744 g_assert_not_reached ();
3747 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3748 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
3749 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3751 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3752 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPWSTR_SB);
3755 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
3756 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPTSTR_SB);
3759 mono_mb_emit_byte (mb, MONO_MARSHAL_CONV_LPSTR_SB);
3765 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3766 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3767 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3772 if (!(t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)))
3775 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3776 /* allocate a new object new object */
3777 mono_mb_emit_ldarg (mb, argnum);
3778 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3779 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
3780 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3781 mono_mb_emit_byte (mb, CEE_STIND_I);
3784 /* dst = *argument */
3785 mono_mb_emit_ldarg (mb, argnum);
3788 mono_mb_emit_byte (mb, CEE_LDIND_I);
3790 mono_mb_emit_byte (mb, CEE_STLOC_1);
3792 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3793 mono_mb_emit_byte (mb, CEE_BRFALSE);
3795 mono_mb_emit_i4 (mb, 0);
3797 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3798 mono_mb_emit_icon (mb, sizeof (MonoObject));
3799 mono_mb_emit_byte (mb, CEE_ADD);
3800 mono_mb_emit_byte (mb, CEE_STLOC_1);
3802 /* src = tmp_locals [i] */
3803 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3804 mono_mb_emit_byte (mb, CEE_STLOC_0);
3806 /* emit valuetype conversion code */
3807 emit_struct_conv (mb, klass, TRUE);
3809 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3811 case MONO_TYPE_VALUETYPE:
3815 klass = t->data.klass;
3816 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3817 klass->blittable || klass->enumtype)
3820 /* dst = argument */
3821 mono_mb_emit_ldarg (mb, argnum);
3822 mono_mb_emit_byte (mb, CEE_STLOC_1);
3824 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3825 mono_mb_emit_byte (mb, CEE_BRFALSE);
3827 mono_mb_emit_i4 (mb, 0);
3829 /* src = tmp_locals [i] */
3830 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3831 mono_mb_emit_byte (mb, CEE_STLOC_0);
3833 /* emit valuetype conversion code */
3834 emit_struct_conv (mb, klass, TRUE);
3836 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3838 case MONO_TYPE_SZARRAY:
3842 klass = mono_class_from_mono_type (t);
3844 if (klass->element_class == mono_defaults.string_class) {
3845 g_assert (tmp_locals [i]);
3847 mono_mb_emit_ldarg (mb, argnum);
3848 mono_mb_emit_byte (mb, CEE_BRFALSE);
3850 mono_mb_emit_i4 (mb, 0);
3852 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3854 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
3855 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
3857 * The array elements point to the managed string data so
3858 * they don't need to be freed.
3860 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3861 mono_mb_emit_byte (mb, CEE_MONO_FREE);
3864 mono_mb_emit_ldarg (mb, argnum);
3865 mono_mb_emit_byte (mb, CEE_LDLEN);
3866 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3867 mono_mb_emit_byte (mb, CEE_MONO_PROC2);
3868 mono_mb_emit_byte (mb, MONO_MARSHAL_FREE_ARRAY);
3872 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3875 /* Character arrays are implicitly marshalled as [Out] */
3876 if ((klass->element_class == mono_defaults.char_class) || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3877 /* FIXME: Optimize blittable case */
3879 guint32 label1, label2, label3;
3880 int index_var, src_ptr;
3882 eklass = klass->element_class;
3883 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3886 mono_mb_emit_ldarg (mb, argnum);
3887 mono_mb_emit_byte (mb, CEE_BRFALSE);
3889 mono_mb_emit_i4 (mb, 0);
3891 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3892 mono_mb_emit_stloc (mb, src_ptr);
3894 /* Emit marshalling loop */
3895 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3896 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3897 mono_mb_emit_stloc (mb, index_var);
3899 mono_mb_emit_ldloc (mb, index_var);
3900 mono_mb_emit_ldarg (mb, argnum);
3901 mono_mb_emit_byte (mb, CEE_LDLEN);
3902 mono_mb_emit_byte (mb, CEE_BGE);
3904 mono_mb_emit_i4 (mb, 0);
3906 /* Emit marshalling code */
3908 /* set the src_ptr */
3909 mono_mb_emit_ldloc (mb, src_ptr);
3910 mono_mb_emit_byte (mb, CEE_STLOC_0);
3913 mono_mb_emit_ldarg (mb, argnum);
3914 mono_mb_emit_ldloc (mb, index_var);
3915 mono_mb_emit_byte (mb, CEE_LDELEMA);
3916 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
3917 mono_mb_emit_byte (mb, CEE_STLOC_1);
3919 /* emit valuetype conversion code */
3920 emit_struct_conv (mb, eklass, TRUE);
3922 mono_mb_emit_add_to_local (mb, index_var, 1);
3923 mono_mb_emit_add_to_local (mb, src_ptr, mono_class_native_size (eklass, NULL));
3925 mono_mb_emit_byte (mb, CEE_BR);
3926 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
3928 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
3929 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
3932 case MONO_TYPE_BOOLEAN:
3935 mono_mb_emit_ldarg (mb, argnum);
3936 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3937 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
3938 mono_mb_emit_byte (mb, CEE_NEG);
3939 mono_mb_emit_byte (mb, CEE_STIND_I1);
3943 if (!MONO_TYPE_IS_VOID(sig->ret))
3944 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3946 mono_mb_emit_byte (mb, CEE_RET);
3948 csig = g_memdup (sig, sigsize);
3950 res = mono_mb_create_and_cache (cache, method,
3951 mb, csig, csig->param_count + 16);
3954 for (i = sig->param_count; i >= 0; i--)
3955 g_free (mspecs [i]);
3958 //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));
3964 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
3966 static MonoReflectionType *
3967 type_from_handle (MonoType *handle)
3969 MonoDomain *domain = mono_domain_get ();
3970 MonoClass *klass = mono_class_from_mono_type (handle);
3972 MONO_ARCH_SAVE_REGS;
3974 mono_class_init (klass);
3975 return mono_type_get_object (domain, handle);
3979 * mono_marshal_get_isinst:
3980 * @klass: the type of the field
3982 * This method generates a function which can be used to check if an object is
3983 * an instance of the given type, icluding the case where the object is a proxy.
3984 * The generated function has the following signature:
3985 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
3988 mono_marshal_get_isinst (MonoClass *klass)
3990 static MonoMethodSignature *isint_sig = NULL;
3991 static GHashTable *isinst_hash = NULL;
3993 int pos_was_ok, pos_failed, pos_end, pos_end2;
3995 MonoMethodBuilder *mb;
3997 EnterCriticalSection (&marshal_mutex);
3999 isinst_hash = g_hash_table_new (NULL, NULL);
4001 res = g_hash_table_lookup (isinst_hash, klass);
4002 LeaveCriticalSection (&marshal_mutex);
4007 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4008 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4009 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4010 isint_sig->pinvoke = 0;
4013 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
4014 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4017 mb->method->save_lmf = 1;
4019 /* check if the object is a proxy that needs special cast */
4020 mono_mb_emit_ldarg (mb, 0);
4021 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4022 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
4023 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4025 /* The result of MONO_ISINST can be:
4026 0) the type check succeeded
4027 1) the type check did not succeed
4028 2) a CanCastTo call is needed */
4030 mono_mb_emit_byte (mb, CEE_DUP);
4031 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4033 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
4034 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
4036 /* get the real proxy from the transparent proxy*/
4038 mono_mb_emit_ldarg (mb, 0);
4039 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4040 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4044 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4045 mono_mb_emit_byte (mb, CEE_LDNULL);
4046 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
4050 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4051 mono_mb_emit_byte (mb, CEE_POP);
4052 mono_mb_emit_ldarg (mb, 0);
4056 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4057 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
4058 mono_mb_emit_byte (mb, CEE_RET);
4060 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4067 * mono_marshal_get_castclass:
4068 * @klass: the type of the field
4070 * This method generates a function which can be used to cast an object to
4071 * an instance of the given type, icluding the case where the object is a proxy.
4072 * The generated function has the following signature:
4073 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
4076 mono_marshal_get_castclass (MonoClass *klass)
4078 static MonoMethodSignature *castclass_sig = NULL;
4079 static GHashTable *castclass_hash = NULL;
4081 int pos_was_ok, pos_was_ok2;
4083 MonoMethodBuilder *mb;
4085 EnterCriticalSection (&marshal_mutex);
4086 if (!castclass_hash)
4087 castclass_hash = g_hash_table_new (NULL, NULL);
4089 res = g_hash_table_lookup (castclass_hash, klass);
4090 LeaveCriticalSection (&marshal_mutex);
4094 if (!castclass_sig) {
4095 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4096 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
4097 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
4098 castclass_sig->pinvoke = 0;
4101 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
4102 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4105 mb->method->save_lmf = 1;
4107 /* check if the object is a proxy that needs special cast */
4108 mono_mb_emit_ldarg (mb, 0);
4109 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4110 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
4111 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4113 /* The result of MONO_ISINST can be:
4114 0) the cast is valid
4115 1) cast of unknown proxy type
4116 or an exception if the cast is is invalid
4119 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4121 /* get the real proxy from the transparent proxy*/
4123 mono_mb_emit_ldarg (mb, 0);
4124 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4125 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
4128 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
4131 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4132 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
4133 mono_mb_emit_ldarg (mb, 0);
4136 mono_mb_emit_byte (mb, CEE_RET);
4138 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
4145 mono_marshal_get_proxy_cancast (MonoClass *klass)
4147 static MonoMethodSignature *from_handle_sig = NULL;
4148 static MonoMethodSignature *upgrade_proxy_sig = NULL;
4149 static MonoMethodSignature *isint_sig = NULL;
4150 static GHashTable *proxy_isinst_hash = NULL;
4152 int pos_failed, pos_end;
4154 MonoMethod *can_cast_to;
4155 MonoMethodDesc *desc;
4156 MonoMethodBuilder *mb;
4158 EnterCriticalSection (&marshal_mutex);
4159 if (!proxy_isinst_hash)
4160 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
4162 res = g_hash_table_lookup (proxy_isinst_hash, klass);
4163 LeaveCriticalSection (&marshal_mutex);
4168 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
4169 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
4170 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
4171 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
4172 upgrade_proxy_sig->pinvoke = 1;
4174 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4175 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4176 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4178 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4179 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4180 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4181 isint_sig->pinvoke = 0;
4184 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
4185 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_UNKNOWN);
4188 mb->method->save_lmf = 1;
4190 /* get the real proxy from the transparent proxy*/
4191 mono_mb_emit_ldarg (mb, 0);
4192 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
4193 mono_mb_emit_byte (mb, CEE_LDIND_I);
4195 /* get the refletion type from the type handle */
4196 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4197 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4198 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4199 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4201 mono_mb_emit_ldarg (mb, 0);
4203 /* make the call to CanCastTo (type, ob) */
4204 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
4205 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
4206 g_assert (can_cast_to);
4207 mono_method_desc_free (desc);
4208 mono_mb_emit_byte (mb, CEE_CALLVIRT);
4209 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
4212 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
4214 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
4215 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4216 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4217 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
4218 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4219 mono_mb_emit_ldarg (mb, 0);
4221 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
4223 mono_mb_emit_ldarg (mb, 0);
4224 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4228 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4229 mono_mb_emit_byte (mb, CEE_LDNULL);
4233 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
4234 mono_mb_emit_byte (mb, CEE_RET);
4236 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
4243 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
4246 klass = mono_class_from_mono_type (rtype->type);
4247 mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
4248 ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
4252 * mono_marshal_get_struct_to_ptr:
4255 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
4258 mono_marshal_get_struct_to_ptr (MonoClass *klass)
4260 MonoMethodBuilder *mb;
4261 static MonoMethod *stoptr = NULL;
4264 g_assert (klass != NULL);
4266 if (klass->str_to_ptr)
4267 return klass->str_to_ptr;
4270 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
4273 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
4275 if (klass->blittable) {
4276 mono_mb_emit_byte (mb, CEE_LDARG_1);
4277 mono_mb_emit_byte (mb, CEE_LDARG_0);
4278 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4279 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4280 mono_mb_emit_byte (mb, CEE_PREFIX1);
4281 mono_mb_emit_byte (mb, CEE_CPBLK);
4284 /* allocate local 0 (pointer) src_ptr */
4285 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4286 /* allocate local 1 (pointer) dst_ptr */
4287 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4288 /* allocate local 2 (boolean) delete_old */
4289 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
4290 mono_mb_emit_byte (mb, CEE_LDARG_2);
4291 mono_mb_emit_byte (mb, CEE_STLOC_2);
4293 /* initialize src_ptr to point to the start of object data */
4294 mono_mb_emit_byte (mb, CEE_LDARG_0);
4295 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4296 mono_mb_emit_byte (mb, CEE_STLOC_0);
4298 /* initialize dst_ptr */
4299 mono_mb_emit_byte (mb, CEE_LDARG_1);
4300 mono_mb_emit_byte (mb, CEE_STLOC_1);
4302 emit_struct_conv (mb, klass, FALSE);
4305 mono_mb_emit_byte (mb, CEE_RET);
4307 res = mono_mb_create_method (mb, stoptr->signature, 0);
4310 klass->str_to_ptr = res;
4315 * mono_marshal_get_ptr_to_struct:
4318 * generates IL code for PtrToStructure (IntPtr src, object structure)
4321 mono_marshal_get_ptr_to_struct (MonoClass *klass)
4323 MonoMethodBuilder *mb;
4324 static MonoMethod *ptostr = NULL;
4327 g_assert (klass != NULL);
4329 if (klass->ptr_to_str)
4330 return klass->ptr_to_str;
4333 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
4336 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
4338 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
4339 mono_mb_emit_byte (mb, CEE_LDARG_1);
4340 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4341 mono_mb_emit_byte (mb, CEE_LDARG_0);
4342 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
4343 mono_mb_emit_byte (mb, CEE_PREFIX1);
4344 mono_mb_emit_byte (mb, CEE_CPBLK);
4347 /* allocate local 0 (pointer) src_ptr */
4348 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4349 /* allocate local 1 (pointer) dst_ptr */
4350 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4352 /* initialize src_ptr to point to the start of object data */
4353 mono_mb_emit_byte (mb, CEE_LDARG_0);
4354 mono_mb_emit_byte (mb, CEE_STLOC_0);
4356 /* initialize dst_ptr */
4357 mono_mb_emit_byte (mb, CEE_LDARG_1);
4358 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
4359 mono_mb_emit_byte (mb, CEE_STLOC_1);
4361 emit_struct_conv (mb, klass, TRUE);
4364 mono_mb_emit_byte (mb, CEE_RET);
4366 res = mono_mb_create_method (mb, ptostr->signature, 0);
4369 klass->ptr_to_str = res;
4374 * generates IL code for the synchronized wrapper: the generated method
4375 * calls METHOD while locking 'this' or the parent type.
4378 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
4380 static MonoMethodSignature *from_handle_sig = NULL;
4381 static MonoMethod *enter_method, *exit_method;
4382 MonoMethodSignature *sig;
4383 MonoExceptionClause *clause;
4384 MonoMethodHeader *header;
4385 MonoMethodBuilder *mb;
4388 int i, pos, this_local, ret_local;
4392 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
4395 cache = method->klass->image->synchronized_cache;
4396 if ((res = mono_marshal_find_in_cache (cache, method)))
4399 sig = method->signature;
4401 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
4404 if (!MONO_TYPE_IS_VOID (sig->ret))
4405 ret_local = mono_mb_add_local (mb, sig->ret);
4408 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
4410 clause = g_new0 (MonoExceptionClause, 1);
4411 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
4413 if (!enter_method) {
4414 MonoMethodDesc *desc;
4416 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
4417 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4418 g_assert (enter_method);
4419 mono_method_desc_free (desc);
4420 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
4421 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
4422 g_assert (exit_method);
4423 mono_method_desc_free (desc);
4426 * GetTypeFromHandle isn't called as a managed method because it has
4427 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
4428 * transformed into something else by the JIT.
4430 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4431 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
4432 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
4435 /* Push this or the type object */
4436 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
4437 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4438 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4439 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
4440 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
4443 mono_mb_emit_ldarg (mb, 0);
4444 mono_mb_emit_stloc (mb, this_local);
4446 /* Call Monitor::Enter() */
4447 mono_mb_emit_ldloc (mb, this_local);
4448 mono_mb_emit_managed_call (mb, enter_method, NULL);
4450 clause->try_offset = mb->pos;
4452 /* Call the method */
4454 mono_mb_emit_ldarg (mb, 0);
4455 for (i = 0; i < sig->param_count; i++)
4456 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
4457 mono_mb_emit_managed_call (mb, method, method->signature);
4458 if (!MONO_TYPE_IS_VOID (sig->ret))
4459 mono_mb_emit_stloc (mb, ret_local);
4461 mono_mb_emit_byte (mb, CEE_LEAVE);
4463 mono_mb_emit_i4 (mb, 0);
4465 clause->try_len = mb->pos - clause->try_offset;
4466 clause->handler_offset = mb->pos;
4468 /* Call Monitor::Exit() */
4469 mono_mb_emit_ldloc (mb, this_local);
4470 // mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit);
4471 mono_mb_emit_managed_call (mb, exit_method, NULL);
4472 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
4474 clause->handler_len = mb->pos - clause->handler_offset;
4476 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4477 if (!MONO_TYPE_IS_VOID (sig->ret))
4478 mono_mb_emit_ldloc (mb, ret_local);
4479 mono_mb_emit_byte (mb, CEE_RET);
4481 res = mono_mb_create_and_cache (cache, method,
4482 mb, sig, sig->param_count + 16);
4485 header = ((MonoMethodNormal *)res)->header;
4486 header->num_clauses = 1;
4487 header->clauses = clause;
4492 /* FIXME: on win32 we should probably use GlobalAlloc(). */
4494 mono_marshal_alloc (gpointer size)
4496 MONO_ARCH_SAVE_REGS;
4498 return g_try_malloc ((gulong)size);
4502 mono_marshal_free (gpointer ptr)
4504 MONO_ARCH_SAVE_REGS;
4510 mono_marshal_free_array (gpointer *ptr, int size)
4517 for (i = 0; i < size; i++)
4523 mono_marshal_realloc (gpointer ptr, gpointer size)
4525 MONO_ARCH_SAVE_REGS;
4527 return g_try_realloc (ptr, (gulong)size);
4531 mono_marshal_string_array (MonoArray *array)
4539 len = mono_array_length (array);
4541 result = g_malloc (sizeof (char *) * (len + 1));
4542 for (i = 0; i < len; ++i) {
4543 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4544 result [i] = s ? mono_string_to_utf8 (s): NULL;
4546 /* null terminate the array */
4553 mono_marshal_string_array_to_unicode (MonoArray *array)
4561 len = mono_array_length (array);
4563 result = g_malloc (sizeof (gunichar2 *) * (len + 1));
4564 for (i = 0; i < len; ++i) {
4565 MonoString *s = (MonoString *)mono_array_get (array, gpointer, i);
4566 result [i] = s ? mono_string_chars (s) : NULL;
4568 /* null terminate the array */
4575 * mono_marshal_set_last_error:
4577 * This function is invoked to set the last error value from a P/Invoke call
4578 * which has SetLastError set.
4581 mono_marshal_set_last_error (void)
4584 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
4586 TlsSetValue (last_error_tls_id, (gpointer)errno);
4591 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
4592 gpointer dest, gint32 length)
4597 MONO_ARCH_SAVE_REGS;
4599 MONO_CHECK_ARG_NULL (src);
4600 MONO_CHECK_ARG_NULL (dest);
4602 g_assert (src->obj.vtable->klass->rank == 1);
4603 g_assert (start_index >= 0);
4604 g_assert (length >= 0);
4605 g_assert (start_index + length <= mono_array_length (src));
4607 element_size = mono_array_element_size (src->obj.vtable->klass);
4609 source_addr = mono_array_addr_with_size (src, element_size, start_index);
4611 memcpy (dest, source_addr, length * element_size);
4615 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
4616 MonoArray *dest, gint32 length)
4621 MONO_ARCH_SAVE_REGS;
4623 MONO_CHECK_ARG_NULL (src);
4624 MONO_CHECK_ARG_NULL (dest);
4626 g_assert (dest->obj.vtable->klass->rank == 1);
4627 g_assert (start_index >= 0);
4628 g_assert (length >= 0);
4629 g_assert (start_index + length <= mono_array_length (dest));
4631 element_size = mono_array_element_size (dest->obj.vtable->klass);
4633 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
4635 memcpy (dest_addr, src, length * element_size);
4638 #if NO_UNALIGNED_ACCESS
4639 #define RETURN_UNALIGNED(type, addr) \
4642 memcpy(&val, p + offset, sizeof(val)); \
4645 #define WRITE_UNALIGNED(type, addr, val) \
4646 memcpy(addr, &val, sizeof(type))
4648 #define RETURN_UNALIGNED(type, addr) \
4649 return *(type*)(p + offset);
4650 #define WRITE_UNALIGNED(type, addr, val) \
4651 (*(type *)(addr) = (val))
4655 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
4659 MONO_ARCH_SAVE_REGS;
4661 RETURN_UNALIGNED(gpointer, p + offset);
4665 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
4669 MONO_ARCH_SAVE_REGS;
4671 return *(unsigned char*)(p + offset);
4675 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
4679 MONO_ARCH_SAVE_REGS;
4681 RETURN_UNALIGNED(gint16, p + offset);
4685 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
4689 MONO_ARCH_SAVE_REGS;
4691 RETURN_UNALIGNED(gint32, p + offset);
4695 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
4699 MONO_ARCH_SAVE_REGS;
4701 RETURN_UNALIGNED(gint64, p + offset);
4705 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
4709 MONO_ARCH_SAVE_REGS;
4711 *(unsigned char*)(p + offset) = val;
4715 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
4719 MONO_ARCH_SAVE_REGS;
4721 WRITE_UNALIGNED(gpointer, p + offset, val);
4725 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
4729 MONO_ARCH_SAVE_REGS;
4731 WRITE_UNALIGNED(gint16, p + offset, val);
4735 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
4739 MONO_ARCH_SAVE_REGS;
4741 WRITE_UNALIGNED(gint32, p + offset, val);
4745 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
4749 MONO_ARCH_SAVE_REGS;
4751 WRITE_UNALIGNED(gint64, p + offset, val);
4755 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
4757 MONO_ARCH_SAVE_REGS;
4759 return mono_string_new (mono_domain_get (), ptr);
4763 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
4765 MONO_ARCH_SAVE_REGS;
4767 return mono_string_new_len (mono_domain_get (), ptr, len);
4771 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
4773 MonoDomain *domain = mono_domain_get ();
4777 MONO_ARCH_SAVE_REGS;
4782 return mono_string_new_utf16 (domain, ptr, len);
4786 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
4788 MonoDomain *domain = mono_domain_get ();
4790 MONO_ARCH_SAVE_REGS;
4792 return mono_string_new_utf16 (domain, ptr, len);
4796 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
4798 MONO_ARCH_SAVE_REGS;
4800 g_warning ("PtrToStringBSTR not implemented");
4801 g_assert_not_reached ();
4807 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
4809 MONO_ARCH_SAVE_REGS;
4811 return ((guint32)TlsGetValue (last_error_tls_id));
4815 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
4821 MONO_ARCH_SAVE_REGS;
4823 MONO_CHECK_ARG_NULL (rtype);
4826 klass = mono_class_from_mono_type (type);
4827 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
4829 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
4833 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
4834 exc = mono_get_exception_argument ("t", msg);
4836 mono_raise_exception (exc);
4840 return mono_class_native_size (klass, NULL);
4844 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
4849 MONO_ARCH_SAVE_REGS;
4851 MONO_CHECK_ARG_NULL (obj);
4852 MONO_CHECK_ARG_NULL (dst);
4854 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
4858 pa [2] = &delete_old;
4860 mono_runtime_invoke (method, NULL, pa, NULL);
4864 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
4869 MONO_ARCH_SAVE_REGS;
4871 MONO_CHECK_ARG_NULL (src);
4872 MONO_CHECK_ARG_NULL (dst);
4874 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
4879 mono_runtime_invoke (method, NULL, pa, NULL);
4883 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
4885 MonoDomain *domain = mono_domain_get ();
4888 MONO_ARCH_SAVE_REGS;
4890 MONO_CHECK_ARG_NULL (src);
4891 MONO_CHECK_ARG_NULL (type);
4893 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
4895 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
4901 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
4903 MonoMarshalType *info;
4906 int i, match_index = -1;
4908 MONO_ARCH_SAVE_REGS;
4910 MONO_CHECK_ARG_NULL (type);
4911 MONO_CHECK_ARG_NULL (field_name);
4913 fname = mono_string_to_utf8 (field_name);
4914 klass = mono_class_from_mono_type (type->type);
4916 while(klass && match_index == -1) {
4917 for (i = 0; i < klass->field.count; ++i) {
4918 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
4924 if(match_index == -1)
4925 klass = klass->parent;
4930 if(match_index == -1) {
4934 /* Get back original class instance */
4935 klass = mono_class_from_mono_type (type->type);
4937 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
4938 exc = mono_get_exception_argument ("fieldName", tmp);
4941 mono_raise_exception ((MonoException*)exc);
4944 info = mono_marshal_load_type_info (klass);
4945 return info->fields [match_index].offset;
4949 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
4951 MONO_ARCH_SAVE_REGS;
4953 return mono_string_to_utf8 (string);
4957 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
4959 MONO_ARCH_SAVE_REGS;
4961 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
4965 mono_struct_delete_old (MonoClass *klass, char *ptr)
4967 MonoMarshalType *info;
4970 info = mono_marshal_load_type_info (klass);
4972 for (i = 0; i < info->num_fields; i++) {
4973 MonoMarshalNative ntype;
4974 MonoMarshalConv conv;
4975 MonoType *ftype = info->fields [i].field->type;
4978 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
4981 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
4982 klass->unicode, &conv);
4984 cpos = ptr + info->fields [i].offset;
4987 case MONO_MARSHAL_CONV_NONE:
4988 if (MONO_TYPE_ISSTRUCT (ftype)) {
4989 mono_struct_delete_old (ftype->data.klass, cpos);
4993 case MONO_MARSHAL_CONV_STR_LPWSTR:
4994 case MONO_MARSHAL_CONV_STR_LPSTR:
4995 case MONO_MARSHAL_CONV_STR_LPTSTR:
4996 case MONO_MARSHAL_CONV_STR_BSTR:
4997 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
4998 case MONO_MARSHAL_CONV_STR_TBSTR:
4999 g_free (*(gpointer *)cpos);
5008 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
5012 MONO_ARCH_SAVE_REGS;
5014 MONO_CHECK_ARG_NULL (src);
5015 MONO_CHECK_ARG_NULL (type);
5017 klass = mono_class_from_mono_type (type->type);
5019 mono_struct_delete_old (klass, (char *)src);
5023 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
5025 /* FIXME: Call AllocCoTaskMem under windows */
5026 MONO_ARCH_SAVE_REGS;
5028 return g_try_malloc ((gulong)size);
5032 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
5034 /* FIXME: Call FreeCoTaskMem under windows */
5035 MONO_ARCH_SAVE_REGS;
5041 mono_marshal_load_type_info (MonoClass* klass)
5043 int i, j, count = 0, native_size = 0;
5044 MonoMarshalType *info;
5047 g_assert (klass != NULL);
5049 if (klass->marshal_info)
5050 return klass->marshal_info;
5053 mono_class_init (klass);
5055 for (i = 0; i < klass->field.count; ++i) {
5056 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5058 if (mono_field_is_deleted (&klass->fields [i]))
5063 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
5065 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
5066 info->num_fields = count;
5068 /* Try to find a size for this type in metadata */
5069 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
5071 if (klass->parent) {
5072 int parent_size = mono_class_native_size (klass->parent, NULL);
5074 /* Add parent size to real size */
5075 native_size += parent_size;
5076 info->native_size = parent_size;
5079 for (j = i = 0; i < klass->field.count; ++i) {
5082 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
5085 if (mono_field_is_deleted (&klass->fields [i]))
5087 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
5088 mono_metadata_field_info (klass->image, klass->field.first + i,
5089 NULL, NULL, &info->fields [j].mspec);
5091 info->fields [j].field = &klass->fields [i];
5093 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
5094 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
5095 /* This field is a hack inserted by MCS to empty structures */
5100 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
5101 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
5102 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
5103 &align, TRUE, klass->unicode);
5104 align = klass->packing_size ? MIN (klass->packing_size, align): align;
5105 info->fields [j].offset = info->native_size;
5106 info->fields [j].offset += align - 1;
5107 info->fields [j].offset &= ~(align - 1);
5108 info->native_size = info->fields [j].offset + size;
5110 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
5112 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
5113 info->native_size = klass->instance_size - sizeof (MonoObject);
5119 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5120 info->native_size = MAX (native_size, info->native_size);
5123 if (info->native_size & (klass->min_align - 1)) {
5124 info->native_size += klass->min_align - 1;
5125 info->native_size &= ~(klass->min_align - 1);
5128 return klass->marshal_info;
5132 * mono_class_native_size:
5135 * Returns: the native size of an object instance (when marshaled
5136 * to unmanaged code)
5139 mono_class_native_size (MonoClass *klass, guint32 *align)
5142 if (!klass->marshal_info)
5143 mono_marshal_load_type_info (klass);
5146 *align = klass->min_align;
5148 return klass->marshal_info->native_size;
5152 * mono_type_native_stack_size:
5153 * @t: the type to return the size it uses on the stack
5155 * Returns: the number of bytes required to hold an instance of this
5156 * type on the native stack
5159 mono_type_native_stack_size (MonoType *t, gint *align)
5163 g_assert (t != NULL);
5174 case MONO_TYPE_BOOLEAN:
5175 case MONO_TYPE_CHAR:
5184 case MONO_TYPE_STRING:
5185 case MONO_TYPE_OBJECT:
5186 case MONO_TYPE_CLASS:
5187 case MONO_TYPE_SZARRAY:
5189 case MONO_TYPE_FNPTR:
5190 case MONO_TYPE_ARRAY:
5191 case MONO_TYPE_TYPEDBYREF:
5202 case MONO_TYPE_VALUETYPE: {
5205 if (t->data.klass->enumtype)
5206 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
5208 size = mono_class_native_size (t->data.klass, align);
5209 *align = *align + 3;
5219 g_error ("type 0x%02x unknown", t->type);
5224 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
5225 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
5226 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
5227 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
5230 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
5231 gboolean as_field, gboolean unicode)
5233 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
5236 switch (native_type) {
5237 case MONO_NATIVE_BOOLEAN:
5240 case MONO_NATIVE_I1:
5241 case MONO_NATIVE_U1:
5244 case MONO_NATIVE_I2:
5245 case MONO_NATIVE_U2:
5246 case MONO_NATIVE_VARIANTBOOL:
5249 case MONO_NATIVE_I4:
5250 case MONO_NATIVE_U4:
5251 case MONO_NATIVE_ERROR:
5254 case MONO_NATIVE_I8:
5255 case MONO_NATIVE_U8:
5256 *align = ALIGNMENT(guint64);
5258 case MONO_NATIVE_R4:
5261 case MONO_NATIVE_R8:
5262 *align = ALIGNMENT(double);
5264 case MONO_NATIVE_INT:
5265 case MONO_NATIVE_UINT:
5266 case MONO_NATIVE_LPSTR:
5267 case MONO_NATIVE_LPWSTR:
5268 case MONO_NATIVE_LPTSTR:
5269 case MONO_NATIVE_BSTR:
5270 case MONO_NATIVE_ANSIBSTR:
5271 case MONO_NATIVE_TBSTR:
5272 case MONO_NATIVE_LPARRAY:
5273 case MONO_NATIVE_SAFEARRAY:
5274 case MONO_NATIVE_IUNKNOWN:
5275 case MONO_NATIVE_IDISPATCH:
5276 case MONO_NATIVE_INTERFACE:
5277 case MONO_NATIVE_ASANY:
5278 case MONO_NATIVE_FUNC:
5279 case MONO_NATIVE_LPSTRUCT:
5280 *align = ALIGNMENT(gpointer);
5281 return sizeof (gpointer);
5282 case MONO_NATIVE_STRUCT:
5283 klass = mono_class_from_mono_type (type);
5284 return mono_class_native_size (klass, align);
5285 case MONO_NATIVE_BYVALTSTR: {
5286 int esize = unicode ? 2: 1;
5289 return mspec->data.array_data.num_elem * esize;
5291 case MONO_NATIVE_BYVALARRAY: {
5293 klass = mono_class_from_mono_type (type);
5294 esize = mono_class_native_size (klass->element_class, align);
5296 return mspec->data.array_data.num_elem * esize;
5298 case MONO_NATIVE_CUSTOM:
5299 g_assert_not_reached ();
5301 case MONO_NATIVE_CURRENCY:
5302 case MONO_NATIVE_VBBYREFSTR:
5304 g_error ("native type %02x not implemented", native_type);
5307 g_assert_not_reached ();