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/threads.h"
21 #include "mono/metadata/monitor.h"
22 #include "mono/metadata/metadata-internals.h"
23 #include "mono/metadata/domain-internals.h"
24 #include "mono/metadata/gc-internal.h"
25 #include "mono/metadata/threads-types.h"
26 #include <mono/os/gc_wrapper.h>
30 /* #define DEBUG_RUNTIME_CODE */
32 #define OPDEF(a,b,c,d,e,f,g,h,i,j) \
36 #include "mono/cil/opcode.def"
41 struct _MonoMethodBuilder {
45 guint32 code_size, pos;
50 delegate_hash_table_add (MonoDelegate *d);
53 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
55 #ifdef DEBUG_RUNTIME_CODE
57 indenter (MonoDisHelper *dh, MonoMethod *method, guint32 ip_offset)
59 return g_strdup (" ");
62 static MonoDisHelper marshal_dh = {
72 /* This mutex protects the various marshalling related caches in MonoImage */
73 static CRITICAL_SECTION marshal_mutex;
75 /* Maps wrapper methods to the methods they wrap */
76 static MonoGHashTable *wrapper_hash;
78 static guint32 last_error_tls_id;
80 static void mono_struct_delete_old (MonoClass *klass, char *ptr);
81 void * mono_marshal_string_to_utf16 (MonoString *s);
83 static gpointer mono_string_to_lpstr (MonoString *string_obj);
86 register_icall (gpointer func, const char *name, const char *sigstr, gboolean save)
88 MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
90 mono_register_jit_icall (func, name, sig, save);
93 static MonoMethodSignature*
94 signature_no_pinvoke (MonoMethodSignature* sig)
97 sig = mono_metadata_signature_dup (sig);
105 mono_marshal_init (void)
107 static gboolean module_initialized = FALSE;
109 if (!module_initialized) {
110 module_initialized = TRUE;
111 InitializeCriticalSection (&marshal_mutex);
112 MONO_GC_REGISTER_ROOT (wrapper_hash);
113 wrapper_hash = mono_g_hash_table_new (NULL, NULL);
114 last_error_tls_id = TlsAlloc ();
116 register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
117 register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
118 register_icall (mono_string_from_utf16, "mono_string_from_utf16", "obj ptr", FALSE);
119 register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
120 register_icall (mono_string_to_utf8, "mono_string_to_utf8", "ptr obj", FALSE);
121 register_icall (mono_string_to_lpstr, "mono_string_to_lpstr", "ptr obj", FALSE);
122 register_icall (mono_string_to_bstr, "mono_string_to_bstr", "ptr obj", FALSE);
123 register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
124 register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
125 register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
126 register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
127 register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
128 register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
129 register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
130 register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32", FALSE);
131 register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32", FALSE);
132 register_icall (mono_marshal_alloc, "mono_marshal_alloc", "ptr int32", FALSE);
133 register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
134 register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
135 register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
136 register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
137 register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
138 register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
139 register_icall (g_free, "g_free", "void ptr", FALSE);
140 register_icall (mono_object_isinst, "mono_object_isinst", "object object ptr", FALSE);
141 register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
146 mono_delegate_to_ftnptr (MonoDelegate *delegate)
148 MonoMethod *method, *wrapper, *invoke;
149 MonoMarshalSpec **mspecs;
156 if (delegate->delegate_trampoline)
157 return delegate->delegate_trampoline;
159 klass = ((MonoObject *)delegate)->vtable->klass;
160 g_assert (klass->delegate);
162 method = delegate->method_info->method;
163 invoke = mono_find_method_by_name (klass, "Invoke", method->signature->param_count);
165 mspecs = g_new (MonoMarshalSpec*, invoke->signature->param_count + 1);
166 mono_method_get_marshal_info (invoke, mspecs);
168 wrapper = mono_marshal_get_managed_wrapper (method, delegate->target, mspecs);
170 for (i = invoke->signature->param_count; i >= 0; i--)
172 mono_metadata_free_marshal_spec (mspecs [i]);
175 delegate->delegate_trampoline = mono_compile_method (wrapper);
177 // Add the delegate to the delegate hash table
178 delegate_hash_table_add (delegate);
180 return delegate->delegate_trampoline;
183 static GHashTable *delegate_hash_table;
186 delegate_hash_table_new (void) {
187 return g_hash_table_new (NULL, NULL);
191 delegate_hash_table_remove (MonoDelegate *d)
193 EnterCriticalSection (&marshal_mutex);
194 if (delegate_hash_table == NULL)
195 delegate_hash_table = delegate_hash_table_new ();
196 g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
197 LeaveCriticalSection (&marshal_mutex);
201 delegate_hash_table_add (MonoDelegate *d)
203 EnterCriticalSection (&marshal_mutex);
204 if (delegate_hash_table == NULL)
205 delegate_hash_table = delegate_hash_table_new ();
206 g_hash_table_insert (delegate_hash_table, d->delegate_trampoline, d);
207 LeaveCriticalSection (&marshal_mutex);
211 mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
215 EnterCriticalSection (&marshal_mutex);
216 if (delegate_hash_table == NULL)
217 delegate_hash_table = delegate_hash_table_new ();
219 d = g_hash_table_lookup (delegate_hash_table, ftn);
220 LeaveCriticalSection (&marshal_mutex);
222 mono_raise_exception (mono_get_exception_argument (NULL, "Additional information: Function pointer was not created by a delegate."));
227 mono_delegate_free_ftnptr (MonoDelegate *delegate)
232 delegate_hash_table_remove (delegate);
233 ptr2 = delegate->delegate_trampoline;
235 ptr = InterlockedExchangePointer (&delegate->delegate_trampoline, NULL);
236 ji = mono_jit_info_table_find (mono_domain_get (), ptr);
239 if (!delegate->target) {
240 /* The wrapper method is shared between delegates -> no need to free it */
244 mono_runtime_free_method (ji->method);
248 mono_array_to_savearray (MonoArray *array)
253 g_assert_not_reached ();
258 mono_array_to_lparray (MonoArray *array)
263 /* fixme: maybe we need to make a copy */
264 return array->vector;
268 mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
270 GError *error = NULL;
280 ut = g_utf8_to_utf16 (text, l, NULL, &items_written, &error);
282 if (items_written > mono_stringbuilder_capacity (sb))
283 items_written = mono_stringbuilder_capacity (sb);
286 memcpy (mono_string_chars (sb->str), ut, items_written * 2);
287 sb->length = items_written;
289 g_error_free (error);
295 mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
302 g_assert (mono_string_chars (sb->str) == text);
304 for (len = 0; text [len] != 0; ++len)
311 mono_string_builder_to_utf8 (MonoStringBuilder *sb)
313 GError *error = NULL;
320 res = mono_marshal_alloc (mono_stringbuilder_capacity (sb) + 1);
322 tmp = g_utf16_to_utf8 (mono_string_chars (sb->str), sb->length, NULL, res, &error);
324 g_error_free (error);
325 mono_raise_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
328 memcpy (res, tmp, sb->length + 1);
336 mono_string_builder_to_utf16 (MonoStringBuilder *sb)
341 return mono_string_chars (sb->str);
345 mono_string_to_lpstr (MonoString *s)
347 #ifdef PLATFORM_WIN32
350 GError *error = NULL;
356 as = CoTaskMemAlloc (1);
361 tmp = g_utf16_to_utf8 (mono_string_chars (s), s->length, NULL, &len, &error);
363 g_warning (error->message);
364 g_error_free (error);
368 as = CoTaskMemAlloc (len + 1);
369 memcpy (as, tmp, len + 1);
373 return mono_string_to_utf8 (s);
378 mono_string_to_ansibstr (MonoString *string_obj)
380 g_error ("implement me");
385 mono_string_to_bstr (MonoString *string_obj)
387 g_error ("implement me");
392 mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
397 g_assert (dst != NULL);
400 memset (dst, 0, size);
405 s = mono_string_to_utf8 (src);
406 len = MIN (size, strlen (s));
407 memcpy (dst, s, len);
410 *((char *)dst + size - 1) = 0;
414 mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
418 g_assert (dst != NULL);
422 memset (dst, 0, size);
426 len = MIN (size, (mono_string_length (src) * 2));
427 memcpy (dst, mono_string_chars (src), len);
429 *((char *)dst + size - 1) = 0;
430 *((char *)dst + size - 2) = 0;
434 mono_mb_free (MonoMethodBuilder *mb)
436 g_list_free (mb->locals_list);
441 mono_mb_new (MonoClass *klass, const char *name, MonoWrapperType type)
443 MonoMethodBuilder *mb;
446 g_assert (klass != NULL);
447 g_assert (name != NULL);
449 mb = g_new0 (MonoMethodBuilder, 1);
451 mb->method = m = (MonoMethod *)g_new0 (MonoMethodWrapper, 1);
454 m->name = g_strdup (name);
456 m->inline_count = -1;
457 m->wrapper_type = type;
460 mb->code = g_malloc (mb->code_size);
466 mono_mb_add_local (MonoMethodBuilder *mb, MonoType *type)
468 int res = mb->locals;
470 g_assert (mb != NULL);
471 g_assert (type != NULL);
473 mb->locals_list = g_list_append (mb->locals_list, type);
480 mono_mb_create_method (MonoMethodBuilder *mb, MonoMethodSignature *signature, int max_stack)
482 MonoMethodHeader *header;
486 g_assert (mb != NULL);
488 ((MonoMethodNormal *)mb->method)->header = header = (MonoMethodHeader *)
489 g_malloc0 (sizeof (MonoMethodHeader) + mb->locals * sizeof (MonoType *));
494 header->max_stack = max_stack;
496 for (i = 0, l = mb->locals_list; l; l = l->next, i++) {
497 header->locals [i] = (MonoType *)l->data;
500 mb->method->signature = signature;
501 header->code = mb->code;
502 header->code_size = mb->pos;
503 header->num_locals = mb->locals;
505 #ifdef DEBUG_RUNTIME_CODE
506 printf ("RUNTIME CODE FOR %s\n", mono_method_full_name (mb->method, TRUE));
507 printf ("%s\n", mono_disasm_code (&marshal_dh, mb->method, mb->code, mb->code + mb->pos));
514 mono_mb_add_data (MonoMethodBuilder *mb, gpointer data)
516 MonoMethodWrapper *mw;
518 g_assert (mb != NULL);
520 mw = (MonoMethodWrapper *)mb->method;
522 mw->data = g_list_append (mw->data, data);
524 return g_list_length (mw->data);
528 mono_mb_patch_addr (MonoMethodBuilder *mb, int pos, int value)
530 mb->code [pos] = value & 0xff;
531 mb->code [pos + 1] = (value >> 8) & 0xff;
532 mb->code [pos + 2] = (value >> 16) & 0xff;
533 mb->code [pos + 3] = (value >> 24) & 0xff;
537 mono_mb_patch_addr_s (MonoMethodBuilder *mb, int pos, gint8 value)
539 *((gint8 *)(&mb->code [pos])) = value;
543 mono_mb_emit_byte (MonoMethodBuilder *mb, guint8 op)
545 if (mb->pos >= mb->code_size) {
547 mb->code = g_realloc (mb->code, mb->code_size);
550 mb->code [mb->pos++] = op;
554 mono_mb_emit_ldflda (MonoMethodBuilder *mb, gint32 offset)
556 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
557 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
560 mono_mb_emit_icon (mb, offset);
561 mono_mb_emit_byte (mb, CEE_ADD);
566 mono_mb_emit_proxy_check (MonoMethodBuilder *mb, int branch_code)
569 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
570 mono_mb_emit_byte (mb, CEE_LDIND_I);
571 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoVTable, klass));
572 mono_mb_emit_byte (mb, CEE_ADD);
573 mono_mb_emit_byte (mb, CEE_LDIND_I);
574 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
575 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
576 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.transparent_proxy_class));
577 mono_mb_emit_byte (mb, branch_code);
579 mono_mb_emit_i4 (mb, 0);
584 mono_mb_emit_i4 (MonoMethodBuilder *mb, gint32 data)
586 if ((mb->pos + 4) >= mb->code_size) {
588 mb->code = g_realloc (mb->code, mb->code_size);
591 mono_mb_patch_addr (mb, mb->pos, data);
596 mono_mb_emit_i2 (MonoMethodBuilder *mb, gint16 data)
598 if ((mb->pos + 2) >= mb->code_size) {
600 mb->code = g_realloc (mb->code, mb->code_size);
603 mb->code [mb->pos] = data & 0xff;
604 mb->code [mb->pos + 1] = (data >> 8) & 0xff;
609 mono_mb_emit_ldstr (MonoMethodBuilder *mb, char *str)
611 mono_mb_emit_byte (mb, CEE_LDSTR);
612 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, str));
617 mono_mb_emit_ldarg (MonoMethodBuilder *mb, guint argnum)
620 mono_mb_emit_byte (mb, CEE_LDARG_0 + argnum);
621 } else if (argnum < 256) {
622 mono_mb_emit_byte (mb, CEE_LDARG_S);
623 mono_mb_emit_byte (mb, argnum);
625 mono_mb_emit_byte (mb, CEE_PREFIX1);
626 mono_mb_emit_byte (mb, CEE_LDARG);
627 mono_mb_emit_i2 (mb, argnum);
632 mono_mb_emit_ldarg_addr (MonoMethodBuilder *mb, guint argnum)
635 mono_mb_emit_byte (mb, CEE_LDARGA_S);
636 mono_mb_emit_byte (mb, argnum);
638 mono_mb_emit_byte (mb, CEE_PREFIX1);
639 mono_mb_emit_byte (mb, CEE_LDARGA);
640 mono_mb_emit_i2 (mb, argnum);
645 mono_mb_emit_ldloc_addr (MonoMethodBuilder *mb, guint locnum)
648 mono_mb_emit_byte (mb, CEE_LDLOCA_S);
649 mono_mb_emit_byte (mb, locnum);
651 mono_mb_emit_byte (mb, CEE_PREFIX1);
652 mono_mb_emit_byte (mb, CEE_LDLOCA);
653 mono_mb_emit_i2 (mb, locnum);
658 mono_mb_emit_ldloc (MonoMethodBuilder *mb, guint num)
661 mono_mb_emit_byte (mb, CEE_LDLOC_0 + num);
662 } else if (num < 256) {
663 mono_mb_emit_byte (mb, CEE_LDLOC_S);
664 mono_mb_emit_byte (mb, num);
666 mono_mb_emit_byte (mb, CEE_PREFIX1);
667 mono_mb_emit_byte (mb, CEE_LDLOC);
668 mono_mb_emit_i2 (mb, num);
673 mono_mb_emit_stloc (MonoMethodBuilder *mb, guint num)
676 mono_mb_emit_byte (mb, CEE_STLOC_0 + num);
677 } else if (num < 256) {
678 mono_mb_emit_byte (mb, CEE_STLOC_S);
679 mono_mb_emit_byte (mb, num);
681 mono_mb_emit_byte (mb, CEE_PREFIX1);
682 mono_mb_emit_byte (mb, CEE_STLOC);
683 mono_mb_emit_i2 (mb, num);
688 mono_mb_emit_icon (MonoMethodBuilder *mb, gint32 value)
690 if (value >= -1 && value < 8) {
691 mono_mb_emit_byte (mb, CEE_LDC_I4_0 + value);
692 } else if (value >= -128 && value <= 127) {
693 mono_mb_emit_byte (mb, CEE_LDC_I4_S);
694 mono_mb_emit_byte (mb, value);
696 mono_mb_emit_byte (mb, CEE_LDC_I4);
697 mono_mb_emit_i4 (mb, value);
702 mono_mb_emit_branch (MonoMethodBuilder *mb, guint8 op)
705 mono_mb_emit_byte (mb, op);
707 mono_mb_emit_i4 (mb, 0);
712 mono_mb_emit_calli (MonoMethodBuilder *mb, MonoMethodSignature *sig)
714 mono_mb_emit_byte (mb, CEE_CALLI);
715 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
719 mono_mb_emit_managed_call (MonoMethodBuilder *mb, MonoMethod *method, MonoMethodSignature *opt_sig)
721 mono_mb_emit_byte (mb, CEE_CALL);
722 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
726 mono_mb_emit_native_call (MonoMethodBuilder *mb, MonoMethodSignature *sig, gpointer func)
728 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
729 mono_mb_emit_byte (mb, CEE_MONO_SAVE_LMF);
730 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
731 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
732 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
733 mono_mb_emit_calli (mb, sig);
734 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
735 mono_mb_emit_byte (mb, CEE_MONO_RESTORE_LMF);
739 mono_mb_emit_icall (MonoMethodBuilder *mb, gpointer func)
741 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
742 mono_mb_emit_byte (mb, CEE_MONO_ICALL);
743 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, func));
747 mono_mb_emit_exception (MonoMethodBuilder *mb, const char *exc_name, const char *msg)
749 /* fixme: we need a better way to throw exception,
750 * supporting several exception types and messages */
751 MonoMethod *ctor = NULL;
753 MonoClass *mme = mono_class_from_name (mono_defaults.corlib, "System", exc_name);
755 mono_class_init (mme);
756 for (i = 0; i < mme->method.count; ++i) {
757 if (strcmp (mme->methods [i]->name, ".ctor") == 0 && mme->methods [i]->signature->param_count == 0) {
758 ctor = mme->methods [i];
763 mono_mb_emit_byte (mb, CEE_NEWOBJ);
764 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, ctor));
766 mono_mb_emit_byte (mb, CEE_DUP);
767 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoException, message));
768 mono_mb_emit_ldstr (mb, (char*)msg);
769 mono_mb_emit_byte (mb, CEE_STIND_I);
771 mono_mb_emit_byte (mb, CEE_THROW);
775 mono_mb_emit_add_to_local (MonoMethodBuilder *mb, guint16 local, gint32 incr)
777 mono_mb_emit_ldloc (mb, local);
778 mono_mb_emit_icon (mb, incr);
779 mono_mb_emit_byte (mb, CEE_ADD);
780 mono_mb_emit_stloc (mb, local);
784 emit_ptr_to_str_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv,
785 int usize, int msize, MonoMarshalSpec *mspec)
788 case MONO_MARSHAL_CONV_BOOL_I4:
789 mono_mb_emit_byte (mb, CEE_LDLOC_1);
790 mono_mb_emit_byte (mb, CEE_LDLOC_0);
791 mono_mb_emit_byte (mb, CEE_LDIND_I4);
792 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
793 mono_mb_emit_byte (mb, 3);
794 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
795 mono_mb_emit_byte (mb, CEE_BR_S);
796 mono_mb_emit_byte (mb, 1);
797 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
798 mono_mb_emit_byte (mb, CEE_STIND_I1);
800 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
801 mono_mb_emit_byte (mb, CEE_LDLOC_1);
802 mono_mb_emit_byte (mb, CEE_LDLOC_0);
803 mono_mb_emit_byte (mb, CEE_LDIND_I2);
804 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
805 mono_mb_emit_byte (mb, 3);
806 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
807 mono_mb_emit_byte (mb, CEE_BR_S);
808 mono_mb_emit_byte (mb, 1);
809 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
810 mono_mb_emit_byte (mb, CEE_STIND_I1);
812 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
813 MonoClass *eclass = NULL;
816 if (type->type == MONO_TYPE_SZARRAY) {
817 eclass = type->data.klass;
819 g_assert_not_reached ();
822 if (eclass->valuetype)
823 esize = mono_class_instance_size (eclass) - sizeof (MonoObject);
825 esize = sizeof (gpointer);
827 /* create a new array */
828 mono_mb_emit_byte (mb, CEE_LDLOC_1);
829 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
830 mono_mb_emit_byte (mb, CEE_NEWARR);
831 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eclass));
832 mono_mb_emit_byte (mb, CEE_STIND_I);
834 /* copy the elements */
835 mono_mb_emit_byte (mb, CEE_LDLOC_1);
836 mono_mb_emit_byte (mb, CEE_LDIND_I);
837 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
838 mono_mb_emit_byte (mb, CEE_ADD);
839 mono_mb_emit_byte (mb, CEE_LDLOC_0);
840 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
841 mono_mb_emit_byte (mb, CEE_PREFIX1);
842 mono_mb_emit_byte (mb, CEE_CPBLK);
846 case MONO_MARSHAL_CONV_STR_BYVALSTR:
847 mono_mb_emit_byte (mb, CEE_LDLOC_1);
848 mono_mb_emit_byte (mb, CEE_LDLOC_0);
849 mono_mb_emit_icall (mb, mono_string_new_wrapper);
850 mono_mb_emit_byte (mb, CEE_STIND_I);
852 case MONO_MARSHAL_CONV_STR_LPTSTR:
853 case MONO_MARSHAL_CONV_STR_LPSTR:
854 mono_mb_emit_byte (mb, CEE_LDLOC_1);
855 mono_mb_emit_byte (mb, CEE_LDLOC_0);
856 mono_mb_emit_byte (mb, CEE_LDIND_I);
857 mono_mb_emit_icall (mb, mono_string_new_wrapper);
858 mono_mb_emit_byte (mb, CEE_STIND_I);
860 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
861 MonoClass *klass = mono_class_from_mono_type (type);
862 int src_var, dst_var;
864 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
865 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
867 /* *dst = new object */
868 mono_mb_emit_byte (mb, CEE_LDLOC_1);
869 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
870 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
871 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
872 mono_mb_emit_byte (mb, CEE_STIND_I);
874 /* save the old src pointer */
875 mono_mb_emit_byte (mb, CEE_LDLOC_0);
876 mono_mb_emit_stloc (mb, src_var);
877 /* save the old dst pointer */
878 mono_mb_emit_byte (mb, CEE_LDLOC_1);
879 mono_mb_emit_stloc (mb, dst_var);
881 /* dst = pointer to newly created object data */
882 mono_mb_emit_byte (mb, CEE_LDLOC_1);
883 mono_mb_emit_byte (mb, CEE_LDIND_I);
884 mono_mb_emit_icon (mb, sizeof (MonoObject));
885 mono_mb_emit_byte (mb, CEE_ADD);
886 mono_mb_emit_byte (mb, CEE_STLOC_1);
888 emit_struct_conv (mb, klass, TRUE);
890 /* restore the old src pointer */
891 mono_mb_emit_ldloc (mb, src_var);
892 mono_mb_emit_byte (mb, CEE_STLOC_0);
893 /* restore the old dst pointer */
894 mono_mb_emit_ldloc (mb, dst_var);
895 mono_mb_emit_byte (mb, CEE_STLOC_1);
898 case MONO_MARSHAL_CONV_DEL_FTN: {
899 /* fixme: we never convert functions back to delegates, dont
900 // know if thats the correct behaviour
904 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
905 g_error ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
907 case MONO_MARSHAL_CONV_STR_LPWSTR:
908 case MONO_MARSHAL_CONV_STR_BSTR:
909 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
910 case MONO_MARSHAL_CONV_STR_TBSTR:
911 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
912 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
914 g_warning ("marshaling conversion %d not implemented", conv);
915 g_assert_not_reached ();
920 conv_to_icall (MonoMarshalConv conv)
923 case MONO_MARSHAL_CONV_STR_LPWSTR:
924 return mono_marshal_string_to_utf16;
925 case MONO_MARSHAL_CONV_LPWSTR_STR:
926 return mono_string_from_utf16;
927 case MONO_MARSHAL_CONV_LPSTR_STR:
928 return mono_string_new_wrapper;
929 case MONO_MARSHAL_CONV_STR_LPTSTR:
930 case MONO_MARSHAL_CONV_STR_LPSTR:
931 return mono_string_to_lpstr;
932 case MONO_MARSHAL_CONV_STR_BSTR:
933 return mono_string_to_bstr;
934 case MONO_MARSHAL_CONV_STR_TBSTR:
935 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
936 return mono_string_to_ansibstr;
937 case MONO_MARSHAL_CONV_SB_LPSTR:
938 case MONO_MARSHAL_CONV_SB_LPTSTR:
939 return mono_string_builder_to_utf8;
940 case MONO_MARSHAL_CONV_SB_LPWSTR:
941 return mono_string_builder_to_utf16;
942 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
943 return mono_array_to_savearray;
944 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
945 return mono_array_to_lparray;
946 case MONO_MARSHAL_CONV_DEL_FTN:
947 return mono_delegate_to_ftnptr;
948 case MONO_MARSHAL_CONV_FTN_DEL:
949 return mono_ftnptr_to_delegate;
950 case MONO_MARSHAL_CONV_LPSTR_SB:
951 case MONO_MARSHAL_CONV_LPTSTR_SB:
952 return mono_string_utf8_to_builder;
953 case MONO_MARSHAL_CONV_LPWSTR_SB:
954 return mono_string_utf16_to_builder;
955 case MONO_MARSHAL_FREE_ARRAY:
956 return mono_marshal_free_array;
957 case MONO_MARSHAL_CONV_STR_BYVALSTR:
958 return mono_string_to_byvalstr;
959 case MONO_MARSHAL_CONV_STR_BYVALWSTR:
960 return mono_string_to_byvalwstr;
962 g_assert_not_reached ();
969 emit_str_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, int usize, int msize,
970 MonoMarshalSpec *mspec)
975 case MONO_MARSHAL_CONV_BOOL_I4:
976 mono_mb_emit_byte (mb, CEE_LDLOC_1);
977 mono_mb_emit_byte (mb, CEE_LDLOC_0);
978 mono_mb_emit_byte (mb, CEE_LDIND_U1);
979 mono_mb_emit_byte (mb, CEE_STIND_I4);
981 case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
982 mono_mb_emit_byte (mb, CEE_LDLOC_1);
983 mono_mb_emit_byte (mb, CEE_LDLOC_0);
984 mono_mb_emit_byte (mb, CEE_LDIND_U1);
985 mono_mb_emit_byte (mb, CEE_NEG);
986 mono_mb_emit_byte (mb, CEE_STIND_I2);
988 case MONO_MARSHAL_CONV_STR_LPWSTR:
989 case MONO_MARSHAL_CONV_STR_LPSTR:
990 case MONO_MARSHAL_CONV_STR_LPTSTR:
991 case MONO_MARSHAL_CONV_STR_BSTR:
992 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
993 case MONO_MARSHAL_CONV_STR_TBSTR: {
996 /* free space if free == true */
997 mono_mb_emit_byte (mb, CEE_LDLOC_2);
998 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1000 mono_mb_emit_byte (mb, 0);
1001 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1002 mono_mb_emit_byte (mb, CEE_LDIND_I);
1003 mono_mb_emit_icall (mb, g_free);
1004 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1006 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1007 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1008 mono_mb_emit_byte (mb, CEE_LDIND_I);
1009 mono_mb_emit_icall (mb, conv_to_icall (conv));
1010 mono_mb_emit_byte (mb, CEE_STIND_I);
1013 case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
1014 case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
1015 case MONO_MARSHAL_CONV_DEL_FTN:
1016 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1017 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1018 mono_mb_emit_byte (mb, CEE_LDIND_I);
1019 mono_mb_emit_icall (mb, conv_to_icall (conv));
1020 mono_mb_emit_byte (mb, CEE_STIND_I);
1022 case MONO_MARSHAL_CONV_STR_BYVALSTR:
1023 case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
1027 mono_mb_emit_byte (mb, CEE_LDLOC_1); /* dst */
1028 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1029 mono_mb_emit_byte (mb, CEE_LDIND_I); /* src String */
1030 mono_mb_emit_icon (mb, usize);
1031 mono_mb_emit_icall (mb, conv_to_icall (conv));
1034 case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
1035 MonoClass *eclass = NULL;
1038 if (type->type == MONO_TYPE_SZARRAY) {
1039 eclass = type->data.klass;
1041 g_assert_not_reached ();
1044 if (eclass->valuetype)
1045 esize = mono_class_native_size (eclass, NULL);
1047 esize = sizeof (gpointer);
1052 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1053 mono_mb_emit_byte (mb, CEE_LDIND_I);
1054 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1056 mono_mb_emit_byte (mb, 0);
1058 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1059 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1060 mono_mb_emit_byte (mb, CEE_LDIND_I);
1061 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1062 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
1063 mono_mb_emit_icon (mb, G_STRUCT_OFFSET (MonoArray, vector));
1064 mono_mb_emit_byte (mb, CEE_ADD);
1065 mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
1066 mono_mb_emit_byte (mb, CEE_PREFIX1);
1067 mono_mb_emit_byte (mb, CEE_CPBLK);
1068 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1071 case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
1072 int src_var, dst_var;
1074 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1075 dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1077 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1078 mono_mb_emit_byte (mb, CEE_LDIND_I);
1079 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
1081 mono_mb_emit_byte (mb, 0);
1083 /* save the old src pointer */
1084 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1085 mono_mb_emit_stloc (mb, src_var);
1086 /* save the old dst pointer */
1087 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1088 mono_mb_emit_stloc (mb, dst_var);
1090 /* src = pointer to object data */
1091 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1092 mono_mb_emit_byte (mb, CEE_LDIND_I);
1093 mono_mb_emit_icon (mb, sizeof (MonoObject));
1094 mono_mb_emit_byte (mb, CEE_ADD);
1095 mono_mb_emit_byte (mb, CEE_STLOC_0);
1097 emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
1099 /* restore the old src pointer */
1100 mono_mb_emit_ldloc (mb, src_var);
1101 mono_mb_emit_byte (mb, CEE_STLOC_0);
1102 /* restore the old dst pointer */
1103 mono_mb_emit_ldloc (mb, dst_var);
1104 mono_mb_emit_byte (mb, CEE_STLOC_1);
1106 mono_mb_patch_addr_s (mb, pos, mb->pos - pos - 1);
1110 char *msg = g_strdup_printf ("marshalling conversion %d not implemented", conv);
1111 MonoException *exc = mono_get_exception_not_implemented (msg);
1114 mono_raise_exception (exc);
1120 emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
1122 MonoMarshalType *info;
1126 emit_struct_conv(mb, klass->parent, to_object);
1128 info = mono_marshal_load_type_info (klass);
1130 if (info->native_size == 0)
1133 if (klass->blittable) {
1134 int msize = mono_class_value_size (klass, NULL);
1135 g_assert (msize == info->native_size);
1136 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1137 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1138 mono_mb_emit_icon (mb, msize);
1139 mono_mb_emit_byte (mb, CEE_PREFIX1);
1140 mono_mb_emit_byte (mb, CEE_CPBLK);
1142 mono_mb_emit_add_to_local (mb, 0, msize);
1143 mono_mb_emit_add_to_local (mb, 1, msize);
1147 for (i = 0; i < info->num_fields; i++) {
1148 MonoMarshalNative ntype;
1149 MonoMarshalConv conv;
1150 MonoType *ftype = info->fields [i].field->type;
1153 gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
1155 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
1158 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
1161 msize = klass->instance_size - info->fields [i].field->offset;
1162 usize = info->native_size - info->fields [i].offset;
1164 msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
1165 usize = info->fields [i + 1].offset - info->fields [i].offset;
1167 if ((msize < 0) || (usize < 0))
1168 /* This happens with GC aware auto layout */
1169 g_error ("Type %s which is passed to unmanaged code must have a StructLayout attribute", mono_type_full_name (&klass->byval_arg));
1171 g_assert ((msize >= 0) && (usize >= 0));
1174 case MONO_MARSHAL_CONV_NONE: {
1177 if (ftype->byref || ftype->type == MONO_TYPE_I ||
1178 ftype->type == MONO_TYPE_U) {
1179 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1180 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1181 mono_mb_emit_byte (mb, CEE_LDIND_I);
1182 mono_mb_emit_byte (mb, CEE_STIND_I);
1191 #if SIZEOF_VOID_P == 4
1194 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1195 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1196 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1197 mono_mb_emit_byte (mb, CEE_STIND_I4);
1201 case MONO_TYPE_BOOLEAN:
1202 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1203 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1204 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1205 mono_mb_emit_byte (mb, CEE_STIND_I1);
1209 case MONO_TYPE_CHAR:
1210 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1211 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1212 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1213 mono_mb_emit_byte (mb, CEE_STIND_I2);
1217 #if SIZEOF_VOID_P == 8
1220 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1221 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1222 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1223 mono_mb_emit_byte (mb, CEE_STIND_I8);
1226 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1227 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1228 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1229 mono_mb_emit_byte (mb, CEE_STIND_R4);
1232 mono_mb_emit_byte (mb, CEE_LDLOC_1);
1233 mono_mb_emit_byte (mb, CEE_LDLOC_0);
1234 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1235 mono_mb_emit_byte (mb, CEE_STIND_R8);
1237 case MONO_TYPE_VALUETYPE:
1238 if (ftype->data.klass->enumtype) {
1239 t = ftype->data.klass->enum_basetype->type;
1242 emit_struct_conv (mb, ftype->data.klass, to_object);
1245 g_warning ("marshaling type %02x not implemented", ftype->type);
1246 g_assert_not_reached ();
1252 emit_ptr_to_str_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1254 emit_str_to_ptr_conv (mb, ftype, conv, usize, msize, info->fields [i].mspec);
1258 mono_mb_emit_add_to_local (mb, 0, usize);
1259 mono_mb_emit_add_to_local (mb, 1, msize);
1261 mono_mb_emit_add_to_local (mb, 0, msize);
1262 mono_mb_emit_add_to_local (mb, 1, usize);
1268 emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
1270 /* Call DestroyStructure */
1271 /* FIXME: Only do this if needed */
1272 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1273 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1274 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
1275 mono_mb_emit_ldloc (mb, struct_var);
1276 mono_mb_emit_icall (mb, mono_struct_delete_old);
1280 emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
1282 static MonoMethodSignature *state_check_sig = NULL;
1285 if (!state_check_sig) {
1286 state_check_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
1287 state_check_sig->ret = &mono_defaults.void_class->byval_arg;
1288 state_check_sig->pinvoke = 0;
1291 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1292 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1293 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, (gpointer) mono_thread_interruption_request_flag ()));
1294 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1295 pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
1297 mono_mb_emit_native_call (mb, state_check_sig, checkpoint_func);
1299 mono_mb_patch_addr (mb, pos_noabort, mb->pos - (pos_noabort + 4));
1303 emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
1305 emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
1309 emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
1311 emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint);
1314 static MonoAsyncResult *
1315 mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
1317 MonoMethodMessage *msg;
1318 MonoDelegate *async_callback;
1322 MonoMethod *method = NULL;
1325 g_assert (delegate);
1327 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1329 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1330 if (!tp->remote_class->proxy_class->contextbound || tp->rp->context != (MonoObject *) mono_context_get ()) {
1332 /* If the target is a proxy, make a direct call. Is proxy's work
1333 // to make the call asynchronous.
1335 MonoAsyncResult *ares;
1337 MonoArray *out_args;
1339 method = delegate->method_info->method;
1341 msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state);
1342 handle = CreateEvent (NULL, TRUE, FALSE, NULL);
1343 ares = mono_async_result_new (mono_domain_get (), handle, state, handle);
1344 ares->async_delegate = (MonoObject *)delegate;
1345 ares->async_callback = (MonoObject *)async_callback;
1346 msg->async_result = ares;
1347 msg->call_type = CallType_BeginInvoke;
1349 mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1354 klass = delegate->object.vtable->klass;
1356 method = mono_get_delegate_invoke (klass);
1357 for (i = 0; i < klass->method.count; ++i) {
1358 if (klass->methods [i]->name[0] == 'B' &&
1359 !strcmp ("BeginInvoke", klass->methods [i]->name)) {
1360 method = klass->methods [i];
1365 g_assert (method != NULL);
1367 im = mono_get_delegate_invoke (method->klass);
1368 msg = mono_method_call_message_new (method, params, im, &async_callback, &state);
1370 return mono_thread_pool_add ((MonoObject *)delegate, msg, async_callback, state);
1374 mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
1376 int i, params_var, tmp_var;
1378 /* allocate local (pointer) *params[] */
1379 params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1380 /* allocate local (pointer) tmp */
1381 tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
1383 /* alloate space on stack to store an array of pointers to the arguments */
1384 mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
1385 mono_mb_emit_byte (mb, CEE_PREFIX1);
1386 mono_mb_emit_byte (mb, CEE_LOCALLOC);
1387 mono_mb_emit_stloc (mb, params_var);
1390 mono_mb_emit_ldloc (mb, params_var);
1391 mono_mb_emit_stloc (mb, tmp_var);
1393 if (save_this && sig->hasthis) {
1394 mono_mb_emit_ldloc (mb, tmp_var);
1395 mono_mb_emit_ldarg_addr (mb, 0);
1396 mono_mb_emit_byte (mb, CEE_STIND_I);
1397 /* tmp = tmp + sizeof (gpointer) */
1398 if (sig->param_count)
1399 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1403 for (i = 0; i < sig->param_count; i++) {
1404 mono_mb_emit_ldloc (mb, tmp_var);
1405 mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
1406 mono_mb_emit_byte (mb, CEE_STIND_I);
1407 /* tmp = tmp + sizeof (gpointer) */
1408 if (i < (sig->param_count - 1))
1409 mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
1416 mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
1420 GString *res = g_string_new ("");
1423 g_string_append (res, prefix);
1424 g_string_append_c (res, '_');
1427 mono_type_get_desc (res, sig->ret, FALSE);
1429 for (i = 0; i < sig->param_count; ++i) {
1430 g_string_append_c (res, '_');
1431 mono_type_get_desc (res, sig->params [i], FALSE);
1434 g_string_free (res, FALSE);
1439 * mono_marshal_get_string_encoding:
1441 * Return the string encoding which should be used for a given parameter.
1443 static MonoMarshalNative
1444 mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1446 /* First try the parameter marshal info */
1448 if (spec->native == MONO_NATIVE_LPARRAY) {
1449 if (spec->data.array_data.elem_type != 0)
1450 return spec->data.array_data.elem_type;
1453 return spec->native;
1457 return MONO_NATIVE_LPSTR;
1459 /* Then try the method level marshal info */
1460 switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
1461 case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
1462 return MONO_NATIVE_LPSTR;
1463 case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
1464 return MONO_NATIVE_LPWSTR;
1465 case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
1466 return MONO_NATIVE_LPTSTR;
1468 return MONO_NATIVE_LPSTR;
1472 static MonoMarshalConv
1473 mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1475 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1478 case MONO_NATIVE_LPWSTR:
1479 return MONO_MARSHAL_CONV_STR_LPWSTR;
1480 case MONO_NATIVE_LPSTR:
1481 return MONO_MARSHAL_CONV_STR_LPSTR;
1482 case MONO_NATIVE_LPTSTR:
1483 return MONO_MARSHAL_CONV_STR_LPTSTR;
1489 static MonoMarshalConv
1490 mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1492 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1495 case MONO_NATIVE_LPWSTR:
1496 return MONO_MARSHAL_CONV_SB_LPWSTR;
1498 case MONO_NATIVE_LPSTR:
1499 return MONO_MARSHAL_CONV_SB_LPSTR;
1501 case MONO_NATIVE_LPTSTR:
1502 return MONO_MARSHAL_CONV_SB_LPTSTR;
1509 static MonoMarshalConv
1510 mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
1512 MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
1517 case MONO_NATIVE_LPWSTR:
1519 * mono_string_builder_to_utf16 does not allocate a
1520 * new buffer, so no need to free it.
1523 return MONO_MARSHAL_CONV_LPWSTR_SB;
1524 case MONO_NATIVE_LPSTR:
1525 return MONO_MARSHAL_CONV_LPSTR_SB;
1527 case MONO_NATIVE_LPTSTR:
1528 return MONO_MARSHAL_CONV_LPTSTR_SB;
1536 * Return whenever a field of a native structure or an array member needs to
1540 mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
1542 MonoMarshalNative encoding;
1543 MonoMarshalConv conv;
1546 case MONO_TYPE_VALUETYPE:
1547 /* FIXME: Optimize this */
1549 case MONO_TYPE_OBJECT:
1550 case MONO_TYPE_CLASS:
1551 if (t->data.klass == mono_defaults.stringbuilder_class) {
1553 conv = mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
1557 case MONO_TYPE_STRING:
1558 encoding = mono_marshal_get_string_encoding (piinfo, spec);
1559 return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
1565 static inline MonoMethod*
1566 mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
1570 EnterCriticalSection (&marshal_mutex);
1571 res = g_hash_table_lookup (cache, key);
1572 LeaveCriticalSection (&marshal_mutex);
1576 /* Create the method from the builder and place it in the cache */
1577 static inline MonoMethod*
1578 mono_mb_create_and_cache (GHashTable *cache, gpointer key,
1579 MonoMethodBuilder *mb, MonoMethodSignature *sig,
1584 EnterCriticalSection (&marshal_mutex);
1585 res = g_hash_table_lookup (cache, key);
1587 /* This does not acquire any locks */
1588 res = mono_mb_create_method (mb, sig, max_stack);
1589 g_hash_table_insert (cache, key, res);
1590 mono_g_hash_table_insert (wrapper_hash, res, key);
1593 /* Somebody created it before us */
1595 LeaveCriticalSection (&marshal_mutex);
1601 mono_marshal_method_from_wrapper (MonoMethod *wrapper)
1605 if (wrapper->wrapper_type == MONO_WRAPPER_NONE)
1608 EnterCriticalSection (&marshal_mutex);
1609 res = mono_g_hash_table_lookup (wrapper_hash, wrapper);
1610 LeaveCriticalSection (&marshal_mutex);
1612 if (res && wrapper->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
1613 /* See mono_marshal_get_remoting_invoke_with_check */
1614 return (MonoMethod*)((char*)res - 1);
1620 mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
1622 MonoMethodSignature *sig;
1623 static MonoMethodSignature *csig = NULL;
1624 MonoMethodBuilder *mb;
1630 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1631 !strcmp (method->name, "BeginInvoke"));
1633 sig = signature_no_pinvoke (method->signature);
1635 cache = method->klass->image->delegate_begin_invoke_cache;
1636 if ((res = mono_marshal_find_in_cache (cache, sig)))
1639 g_assert (sig->hasthis);
1642 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1644 /* MonoAsyncResult * begin_invoke (MonoDelegate *delegate, gpointer params[]) */
1645 csig->ret = &mono_defaults.object_class->byval_arg;
1646 csig->params [0] = &mono_defaults.object_class->byval_arg;
1647 csig->params [1] = &mono_defaults.int_class->byval_arg;
1650 name = mono_signature_to_name (sig, "begin_invoke");
1651 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
1654 mb->method->save_lmf = 1;
1656 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1658 mono_mb_emit_ldarg (mb, 0);
1659 mono_mb_emit_ldloc (mb, params_var);
1660 mono_mb_emit_native_call (mb, csig, mono_delegate_begin_invoke);
1661 emit_thread_interrupt_checkpoint (mb);
1662 mono_mb_emit_byte (mb, CEE_RET);
1664 res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
1670 mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
1672 MonoDomain *domain = mono_domain_get ();
1673 MonoAsyncResult *ares;
1674 MonoMethod *method = NULL;
1675 MonoMethodSignature *sig;
1676 MonoMethodMessage *msg;
1677 MonoObject *res, *exc;
1678 MonoArray *out_args;
1682 g_assert (delegate);
1684 if (!delegate->method_info || !delegate->method_info->method)
1685 g_assert_not_reached ();
1687 klass = delegate->object.vtable->klass;
1689 for (i = 0; i < klass->method.count; ++i) {
1690 if (klass->methods [i]->name[0] == 'E' &&
1691 !strcmp ("EndInvoke", klass->methods [i]->name)) {
1692 method = klass->methods [i];
1697 g_assert (method != NULL);
1699 sig = signature_no_pinvoke (method->signature);
1701 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1703 ares = mono_array_get (msg->args, gpointer, sig->param_count - 1);
1706 if (delegate->target && mono_object_class (delegate->target) == mono_defaults.transparent_proxy_class) {
1707 MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
1708 msg = (MonoMethodMessage *)mono_object_new (domain, mono_defaults.mono_method_message_class);
1709 mono_message_init (domain, msg, delegate->method_info, NULL);
1710 msg->call_type = CallType_EndInvoke;
1711 msg->async_result = ares;
1712 res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args);
1715 res = mono_thread_pool_finish (ares, &out_args, &exc);
1718 if (((MonoException*)exc)->stack_trace) {
1719 char *strace = mono_string_to_utf8 (((MonoException*)exc)->stack_trace);
1721 tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
1723 ((MonoException*)exc)->stack_trace = mono_string_new (domain, tmp);
1726 mono_raise_exception ((MonoException*)exc);
1729 mono_method_return_message_restore (method, params, out_args);
1734 mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
1736 if (return_type->byref)
1737 return_type = &mono_defaults.int_class->byval_arg;
1738 else if (return_type->type == MONO_TYPE_VALUETYPE && return_type->data.klass->enumtype)
1739 return_type = return_type->data.klass->enum_basetype;
1741 switch (return_type->type) {
1742 case MONO_TYPE_VOID:
1743 g_assert_not_reached ();
1746 case MONO_TYPE_STRING:
1747 case MONO_TYPE_CLASS:
1748 case MONO_TYPE_OBJECT:
1749 case MONO_TYPE_ARRAY:
1750 case MONO_TYPE_SZARRAY:
1754 case MONO_TYPE_BOOLEAN:
1755 mono_mb_emit_byte (mb, CEE_UNBOX);
1756 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1757 mono_mb_emit_byte (mb, CEE_LDIND_U1);
1760 mono_mb_emit_byte (mb, CEE_UNBOX);
1761 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1762 mono_mb_emit_byte (mb, CEE_LDIND_I1);
1765 case MONO_TYPE_CHAR:
1766 mono_mb_emit_byte (mb, CEE_UNBOX);
1767 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1768 mono_mb_emit_byte (mb, CEE_LDIND_U2);
1771 mono_mb_emit_byte (mb, CEE_UNBOX);
1772 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1773 mono_mb_emit_byte (mb, CEE_LDIND_I2);
1777 mono_mb_emit_byte (mb, CEE_UNBOX);
1778 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1779 mono_mb_emit_byte (mb, CEE_LDIND_I);
1782 mono_mb_emit_byte (mb, CEE_UNBOX);
1783 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1784 mono_mb_emit_byte (mb, CEE_LDIND_I4);
1787 mono_mb_emit_byte (mb, CEE_UNBOX);
1788 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1789 mono_mb_emit_byte (mb, CEE_LDIND_U4);
1793 mono_mb_emit_byte (mb, CEE_UNBOX);
1794 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1795 mono_mb_emit_byte (mb, CEE_LDIND_I8);
1798 mono_mb_emit_byte (mb, CEE_UNBOX);
1799 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1800 mono_mb_emit_byte (mb, CEE_LDIND_R4);
1803 mono_mb_emit_byte (mb, CEE_UNBOX);
1804 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (return_type)));
1805 mono_mb_emit_byte (mb, CEE_LDIND_R8);
1807 case MONO_TYPE_VALUETYPE: {
1809 mono_mb_emit_byte (mb, CEE_UNBOX);
1810 class = mono_mb_add_data (mb, mono_class_from_mono_type (return_type));
1811 mono_mb_emit_i4 (mb, class);
1812 mono_mb_emit_byte (mb, CEE_LDOBJ);
1813 mono_mb_emit_i4 (mb, class);
1817 g_warning ("type 0x%x not handled", return_type->type);
1818 g_assert_not_reached ();
1821 mono_mb_emit_byte (mb, CEE_RET);
1825 mono_marshal_get_delegate_end_invoke (MonoMethod *method)
1827 MonoMethodSignature *sig;
1828 static MonoMethodSignature *csig = NULL;
1829 MonoMethodBuilder *mb;
1835 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
1836 !strcmp (method->name, "EndInvoke"));
1838 sig = signature_no_pinvoke (method->signature);
1840 cache = method->klass->image->delegate_end_invoke_cache;
1841 if ((res = mono_marshal_find_in_cache (cache, sig)))
1844 g_assert (sig->hasthis);
1847 csig = mono_metadata_signature_alloc (method->klass->image, 2);
1849 /* MonoObject *end_invoke (MonoDelegate *delegate, gpointer params[]) */
1850 csig->ret = &mono_defaults.object_class->byval_arg;
1851 csig->params [0] = &mono_defaults.object_class->byval_arg;
1852 csig->params [1] = &mono_defaults.int_class->byval_arg;
1855 name = mono_signature_to_name (sig, "end_invoke");
1856 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
1859 mb->method->save_lmf = 1;
1861 params_var = mono_mb_emit_save_args (mb, sig, FALSE);
1863 mono_mb_emit_ldarg (mb, 0);
1864 mono_mb_emit_ldloc (mb, params_var);
1865 mono_mb_emit_native_call (mb, csig, mono_delegate_end_invoke);
1866 emit_thread_interrupt_checkpoint (mb);
1868 if (sig->ret->type == MONO_TYPE_VOID) {
1869 mono_mb_emit_byte (mb, CEE_POP);
1870 mono_mb_emit_byte (mb, CEE_RET);
1872 mono_mb_emit_restore_result (mb, sig->ret);
1874 res = mono_mb_create_and_cache (cache, sig,
1875 mb, sig, sig->param_count + 16);
1882 mono_remoting_wrapper (MonoMethod *method, gpointer *params)
1884 MonoMethodMessage *msg;
1885 MonoTransparentProxy *this;
1886 MonoObject *res, *exc;
1887 MonoArray *out_args;
1889 this = *((MonoTransparentProxy **)params [0]);
1892 g_assert (((MonoObject *)this)->vtable->klass == mono_defaults.transparent_proxy_class);
1894 /* skip the this pointer */
1897 if (this->remote_class->proxy_class->contextbound && this->rp->context == (MonoObject *) mono_context_get ())
1900 MonoMethodSignature *sig = method->signature;
1901 int count = sig->param_count;
1902 gpointer* mparams = (gpointer*) alloca(count*sizeof(gpointer));
1904 for (i=0; i<count; i++) {
1905 MonoClass *class = mono_class_from_mono_type (sig->params [i]);
1906 if (class->valuetype) {
1907 if (sig->params [i]->byref)
1908 mparams[i] = *((gpointer *)params [i]);
1910 mparams[i] = params [i];
1912 mparams[i] = *((gpointer**)params [i]);
1916 return mono_runtime_invoke (method, method->klass->valuetype? mono_object_unbox ((MonoObject*)this): this, mparams, NULL);
1919 msg = mono_method_call_message_new (method, params, NULL, NULL, NULL);
1921 res = mono_remoting_invoke ((MonoObject *)this->rp, msg, &exc, &out_args);
1924 mono_raise_exception ((MonoException *)exc);
1926 mono_method_return_message_restore (method, params, out_args);
1932 mono_marshal_get_remoting_invoke (MonoMethod *method)
1934 MonoMethodSignature *sig;
1935 static MonoMethodSignature *csig = NULL;
1936 MonoMethodBuilder *mb;
1943 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE)
1946 sig = signature_no_pinvoke (method->signature);
1948 /* we cant remote methods without this pointer */
1952 cache = method->klass->image->remoting_invoke_cache;
1953 if ((res = mono_marshal_find_in_cache (cache, method)))
1957 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
1958 csig->params [0] = &mono_defaults.int_class->byval_arg;
1959 csig->params [1] = &mono_defaults.int_class->byval_arg;
1960 csig->ret = &mono_defaults.object_class->byval_arg;
1964 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE);
1965 mb->method->save_lmf = 1;
1967 params_var = mono_mb_emit_save_args (mb, sig, TRUE);
1969 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
1970 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
1971 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
1972 mono_mb_emit_ldloc (mb, params_var);
1973 mono_mb_emit_native_call (mb, csig, mono_remoting_wrapper);
1974 emit_thread_interrupt_checkpoint (mb);
1976 if (sig->ret->type == MONO_TYPE_VOID) {
1977 mono_mb_emit_byte (mb, CEE_POP);
1978 mono_mb_emit_byte (mb, CEE_RET);
1980 mono_mb_emit_restore_result (mb, sig->ret);
1983 res = mono_mb_create_and_cache (cache, method, mb, sig, sig->param_count + 16);
1990 mono_marshal_get_remoting_invoke_with_check (MonoMethod *method)
1992 MonoMethodSignature *sig;
1993 MonoMethodBuilder *mb;
1994 MonoMethod *res, *native;
2000 if (method->wrapper_type == MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK)
2003 sig = signature_no_pinvoke (method->signature);
2005 /* we cant remote methods without this pointer */
2006 g_assert (sig->hasthis);
2008 cache = method->klass->image->remoting_invoke_cache;
2009 if ((res = mono_marshal_find_in_cache (cache, (char *)method + 1)))
2012 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK);
2014 mono_mb_emit_ldarg (mb, 0);
2015 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
2017 native = mono_marshal_get_remoting_invoke (method);
2019 for (i = 0; i <= sig->param_count; i++)
2020 mono_mb_emit_ldarg (mb, i);
2022 mono_mb_emit_managed_call (mb, native, native->signature);
2023 mono_mb_emit_byte (mb, CEE_RET);
2025 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2027 for (i = 0; i <= sig->param_count; i++)
2028 mono_mb_emit_ldarg (mb, i);
2030 mono_mb_emit_managed_call (mb, method, method->signature);
2031 mono_mb_emit_byte (mb, CEE_RET);
2033 res = mono_mb_create_and_cache (cache, (char*)method + 1,
2034 mb, sig, sig->param_count + 16);
2041 * the returned method invokes all methods in a multicast delegate
2044 mono_marshal_get_delegate_invoke (MonoMethod *method)
2046 MonoMethodSignature *sig, *static_sig;
2048 MonoMethodBuilder *mb;
2054 g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
2055 !strcmp (method->name, "Invoke"));
2057 sig = signature_no_pinvoke (method->signature);
2059 cache = method->klass->image->delegate_invoke_cache;
2060 if ((res = mono_marshal_find_in_cache (cache, sig)))
2063 static_sig = mono_metadata_signature_dup (sig);
2064 static_sig->hasthis = 0;
2066 name = mono_signature_to_name (sig, "invoke");
2067 mb = mono_mb_new (mono_defaults.multicastdelegate_class, name, MONO_WRAPPER_DELEGATE_INVOKE);
2070 /* allocate local 0 (object) */
2071 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2073 g_assert (sig->hasthis);
2077 * prev.Invoke( args .. );
2078 * return this.<target>( args .. );
2081 /* this wrapper can be used in unmanaged-managed transitions */
2082 emit_thread_interrupt_checkpoint (mb);
2084 /* get this->prev */
2085 mono_mb_emit_ldarg (mb, 0);
2086 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoMulticastDelegate, prev));
2087 mono_mb_emit_byte (mb, CEE_LDIND_I );
2088 mono_mb_emit_stloc (mb, 0);
2090 /* if prev != null */
2091 mono_mb_emit_ldloc (mb, 0);
2092 mono_mb_emit_byte (mb, CEE_BRFALSE);
2095 mono_mb_emit_i4 (mb, 0);
2098 mono_mb_emit_ldloc (mb, 0);
2099 for (i = 0; i < sig->param_count; i++)
2100 mono_mb_emit_ldarg (mb, i + 1);
2101 mono_mb_emit_managed_call (mb, method, method->signature);
2102 if (sig->ret->type != MONO_TYPE_VOID)
2103 mono_mb_emit_byte (mb, CEE_POP);
2105 /* continued or prev == null */
2106 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2108 /* get this->target */
2109 mono_mb_emit_ldarg (mb, 0);
2110 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, target));
2111 mono_mb_emit_byte (mb, CEE_LDIND_I );
2112 mono_mb_emit_stloc (mb, 0);
2114 /* if target != null */
2115 mono_mb_emit_ldloc (mb, 0);
2116 mono_mb_emit_byte (mb, CEE_BRFALSE);
2118 mono_mb_emit_i4 (mb, 0);
2120 /* then call this->method_ptr nonstatic */
2121 mono_mb_emit_ldloc (mb, 0);
2122 for (i = 0; i < sig->param_count; ++i)
2123 mono_mb_emit_ldarg (mb, i + 1);
2124 mono_mb_emit_ldarg (mb, 0);
2125 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
2126 mono_mb_emit_byte (mb, CEE_LDIND_I );
2127 mono_mb_emit_byte (mb, CEE_CALLI);
2128 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, sig));
2130 mono_mb_emit_byte (mb, CEE_BR);
2132 mono_mb_emit_i4 (mb, 0);
2134 /* else [target == null] call this->method_ptr static */
2135 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
2137 for (i = 0; i < sig->param_count; ++i)
2138 mono_mb_emit_ldarg (mb, i + 1);
2139 mono_mb_emit_ldarg (mb, 0);
2140 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoDelegate, method_ptr));
2141 mono_mb_emit_byte (mb, CEE_LDIND_I );
2142 mono_mb_emit_byte (mb, CEE_CALLI);
2143 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, static_sig));
2146 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
2147 mono_mb_emit_byte (mb, CEE_RET);
2149 res = mono_mb_create_and_cache (cache, sig,
2150 mb, sig, sig->param_count + 16);
2157 * signature_dup_add_this:
2159 * Make a copy of @sig, adding an explicit this argument.
2161 static MonoMethodSignature*
2162 signature_dup_add_this (MonoMethodSignature *sig, MonoClass *klass)
2164 MonoMethodSignature *res;
2167 res = mono_metadata_signature_alloc (klass->image, sig->param_count + 1);
2168 memcpy (res, sig, sizeof (MonoMethodSignature));
2169 res->param_count = sig->param_count + 1;
2170 res->hasthis = FALSE;
2171 for (i = sig->param_count - 1; i >= 0; i --)
2172 res->params [i + 1] = sig->params [i];
2173 res->params [0] = &mono_ptr_class_get (&klass->byval_arg)->byval_arg;
2180 MonoMethodSignature *sig;
2186 * generates IL code for the runtime invoke function
2187 * MonoObject *runtime_invoke (MonoObject *this, void **params, MonoObject **exc, void* method)
2189 * we also catch exceptions if exc != null
2192 mono_marshal_get_runtime_invoke (MonoMethod *method)
2194 MonoMethodSignature *sig, *csig, *callsig;
2195 MonoExceptionClause *clause;
2196 MonoMethodHeader *header;
2197 MonoMethodBuilder *mb;
2198 GHashTable *cache = NULL;
2199 MonoClass *target_klass;
2200 MonoMethod *res = NULL;
2202 static MonoString *string_dummy = NULL;
2203 static MonoMethodSignature *dealy_abort_sig = NULL;
2209 target_klass = method->klass;
2211 EnterCriticalSection (&marshal_mutex);
2213 if (method->string_ctor) {
2214 static GSList *strsig_list = NULL;
2218 for (item = strsig_list; item; item = item->next) {
2220 if (mono_metadata_signature_equal (method->signature, cs->ctor->signature)) {
2226 callsig = mono_metadata_signature_dup (method->signature);
2227 callsig->ret = &mono_defaults.string_class->byval_arg;
2228 cs = g_new (CtorSigPair, 1);
2231 strsig_list = g_slist_prepend (strsig_list, cs);
2234 if (method->klass->valuetype && method->signature->hasthis) {
2236 * Valuetype methods receive a managed pointer as the this argument.
2237 * Create a new signature to reflect this.
2239 callsig = signature_dup_add_this (method->signature, method->klass);
2242 callsig = method->signature;
2245 cache = method->klass->image->runtime_invoke_cache;
2247 /* from mono_marshal_find_in_cache */
2248 res = g_hash_table_lookup (cache, callsig);
2249 LeaveCriticalSection (&marshal_mutex);
2255 if (!dealy_abort_sig) {
2256 dealy_abort_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
2257 dealy_abort_sig->ret = &mono_defaults.void_class->byval_arg;
2258 dealy_abort_sig->pinvoke = 0;
2261 target_klass = mono_defaults.object_class;
2263 /* to make it work with our special string constructors */
2264 if (!string_dummy) {
2265 MONO_GC_REGISTER_ROOT (string_dummy);
2266 string_dummy = mono_string_new_wrapper ("dummy");
2269 sig = method->signature;
2271 csig = mono_metadata_signature_alloc (method->klass->image, 4);
2273 csig->ret = &mono_defaults.object_class->byval_arg;
2274 if (method->klass->valuetype && method->signature->hasthis)
2275 csig->params [0] = callsig->params [0];
2277 csig->params [0] = &mono_defaults.object_class->byval_arg;
2278 csig->params [1] = &mono_defaults.int_class->byval_arg;
2279 csig->params [2] = &mono_defaults.int_class->byval_arg;
2280 csig->params [3] = &mono_defaults.int_class->byval_arg;
2282 name = mono_signature_to_name (callsig, "runtime_invoke");
2283 mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
2286 /* allocate local 0 (object) tmp */
2287 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2288 /* allocate local 1 (object) exc */
2289 mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2291 /* cond set *exc to null */
2292 mono_mb_emit_byte (mb, CEE_LDARG_2);
2293 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2294 mono_mb_emit_byte (mb, 3);
2295 mono_mb_emit_byte (mb, CEE_LDARG_2);
2296 mono_mb_emit_byte (mb, CEE_LDNULL);
2297 mono_mb_emit_byte (mb, CEE_STIND_I);
2300 if (method->string_ctor) {
2301 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2302 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2303 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, string_dummy));
2305 mono_mb_emit_ldarg (mb, 0);
2309 for (i = 0; i < sig->param_count; i++) {
2310 MonoType *t = sig->params [i];
2313 mono_mb_emit_ldarg (mb, 1);
2315 mono_mb_emit_icon (mb, sizeof (gpointer) * i);
2316 mono_mb_emit_byte (mb, CEE_ADD);
2318 mono_mb_emit_byte (mb, CEE_LDIND_I);
2323 type = sig->params [i]->type;
2327 mono_mb_emit_byte (mb, CEE_LDIND_I1);
2329 case MONO_TYPE_BOOLEAN:
2331 mono_mb_emit_byte (mb, CEE_LDIND_U1);
2334 mono_mb_emit_byte (mb, CEE_LDIND_I2);
2337 case MONO_TYPE_CHAR:
2338 mono_mb_emit_byte (mb, CEE_LDIND_U2);
2342 mono_mb_emit_byte (mb, CEE_LDIND_I);
2345 mono_mb_emit_byte (mb, CEE_LDIND_I4);
2348 mono_mb_emit_byte (mb, CEE_LDIND_U4);
2351 mono_mb_emit_byte (mb, CEE_LDIND_R4);
2354 mono_mb_emit_byte (mb, CEE_LDIND_R8);
2358 mono_mb_emit_byte (mb, CEE_LDIND_I8);
2360 case MONO_TYPE_STRING:
2361 case MONO_TYPE_CLASS:
2362 case MONO_TYPE_ARRAY:
2364 case MONO_TYPE_SZARRAY:
2365 case MONO_TYPE_OBJECT:
2368 case MONO_TYPE_VALUETYPE:
2369 if (t->data.klass->enumtype) {
2370 type = t->data.klass->enum_basetype->type;
2373 mono_mb_emit_byte (mb, CEE_LDOBJ);
2374 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
2377 g_assert_not_reached ();
2381 mono_mb_emit_ldarg (mb, 3);
2382 emit_thread_force_interrupt_checkpoint (mb);
2383 mono_mb_emit_calli (mb, callsig);
2385 if (sig->ret->byref) {
2387 g_assert_not_reached ();
2391 switch (sig->ret->type) {
2392 case MONO_TYPE_VOID:
2393 if (!method->string_ctor)
2394 mono_mb_emit_byte (mb, CEE_LDNULL);
2396 case MONO_TYPE_BOOLEAN:
2397 case MONO_TYPE_CHAR:
2410 case MONO_TYPE_VALUETYPE:
2411 /* box value types */
2412 mono_mb_emit_byte (mb, CEE_BOX);
2413 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (sig->ret)));
2415 case MONO_TYPE_STRING:
2416 case MONO_TYPE_CLASS:
2417 case MONO_TYPE_ARRAY:
2418 case MONO_TYPE_SZARRAY:
2419 case MONO_TYPE_OBJECT:
2424 g_assert_not_reached ();
2427 mono_mb_emit_stloc (mb, 0);
2429 mono_mb_emit_byte (mb, CEE_LEAVE);
2431 mono_mb_emit_i4 (mb, 0);
2433 clause = g_new0 (MonoExceptionClause, 1);
2434 clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
2435 clause->try_len = mb->pos;
2438 clause->token_or_filter = mb->pos;
2440 mono_mb_emit_byte (mb, CEE_POP);
2441 mono_mb_emit_byte (mb, CEE_LDARG_2);
2442 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2443 mono_mb_emit_byte (mb, CEE_PREFIX1);
2444 mono_mb_emit_byte (mb, CEE_CGT_UN);
2445 mono_mb_emit_byte (mb, CEE_PREFIX1);
2446 mono_mb_emit_byte (mb, CEE_ENDFILTER);
2448 clause->handler_offset = mb->pos;
2451 /* store exception */
2452 mono_mb_emit_stloc (mb, 1);
2454 mono_mb_emit_byte (mb, CEE_LDARG_2);
2455 mono_mb_emit_ldloc (mb, 1);
2456 mono_mb_emit_byte (mb, CEE_STIND_I);
2458 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2459 mono_mb_emit_stloc (mb, 0);
2461 /* Check for the abort exception */
2462 mono_mb_emit_ldloc (mb, 1);
2463 mono_mb_emit_byte (mb, CEE_ISINST);
2464 mono_mb_emit_i4 (mb, mono_defaults.threadabortexception_class->type_token);
2465 mono_mb_emit_byte (mb, CEE_BRFALSE_S);
2467 mono_mb_emit_byte (mb, 0);
2469 /* Delay the abort exception */
2470 mono_mb_emit_native_call (mb, dealy_abort_sig, ves_icall_System_Threading_Thread_ResetAbort);
2472 mono_mb_patch_addr_s (mb, posna, mb->pos - posna - 1);
2473 mono_mb_emit_byte (mb, CEE_LEAVE);
2474 mono_mb_emit_i4 (mb, 0);
2476 clause->handler_len = mb->pos - clause->handler_offset;
2479 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2480 mono_mb_emit_ldloc (mb, 0);
2481 mono_mb_emit_byte (mb, CEE_RET);
2483 /* taken from mono_mb_create_and_cache */
2484 EnterCriticalSection (&marshal_mutex);
2486 res = g_hash_table_lookup (cache, callsig);
2487 /* Somebody may have created it before us */
2489 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
2490 g_hash_table_insert (cache, callsig, res);
2491 mono_g_hash_table_insert (wrapper_hash, res, callsig);
2494 LeaveCriticalSection (&marshal_mutex);
2495 /* end mono_mb_create_and_cache */
2499 header = ((MonoMethodNormal *)res)->header;
2500 header->num_clauses = 1;
2501 header->clauses = clause;
2507 raise_auto_layout_exception (MonoClass *klass)
2509 char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
2510 klass->name_space, klass->name);
2512 MonoException *e = mono_exception_from_name_msg (
2513 mono_get_corlib (), "System.Runtime.InteropServices",
2514 "MarshalDirectiveException", msg);
2516 mono_raise_exception (e);
2520 * generates IL code to call managed methods from unmanaged code
2523 mono_marshal_get_managed_wrapper (MonoMethod *method, MonoObject *this, MonoMarshalSpec **mspecs)
2525 MonoMethodSignature *sig, *csig;
2526 MonoMethodBuilder *mb;
2527 MonoClass *klass = NULL;
2530 int i, pos = 0, *tmp_locals;
2531 static MonoMethodSignature *alloc_sig = NULL;
2534 g_assert (method != NULL);
2535 g_assert (!method->signature->pinvoke);
2537 cache = method->klass->image->managed_wrapper_cache;
2538 if (!this && (res = mono_marshal_find_in_cache (cache, method)))
2541 /* Under MS, the allocation should be done using CoTaskMemAlloc */
2543 alloc_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
2544 alloc_sig->params [0] = &mono_defaults.int_class->byval_arg;
2545 alloc_sig->ret = &mono_defaults.int_class->byval_arg;
2546 alloc_sig->pinvoke = 1;
2549 sig = method->signature;
2551 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
2553 /* allocate local 0 (pointer) src_ptr */
2554 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2555 /* allocate local 1 (pointer) dst_ptr */
2556 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2557 /* allocate local 2 (boolean) delete_old */
2558 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
2560 if (!MONO_TYPE_IS_VOID(sig->ret)) {
2561 /* allocate local 3 to store the return value */
2562 mono_mb_add_local (mb, sig->ret);
2565 mono_mb_emit_icon (mb, 0);
2566 mono_mb_emit_byte (mb, CEE_STLOC_2);
2568 /* we copy the signature, so that we can modify it */
2569 csig = mono_metadata_signature_dup (sig);
2573 #ifdef PLATFORM_WIN32
2575 * Under windows, delegates passed to native code must use the STDCALL
2576 * calling convention.
2578 csig->call_convention = MONO_CALL_STDCALL;
2581 /* fixme: howto handle this ? */
2585 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2586 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2587 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, this));
2592 g_assert_not_reached ();
2597 /* we first do all conversions */
2598 tmp_locals = alloca (sizeof (int) * sig->param_count);
2599 for (i = 0; i < sig->param_count; i ++) {
2600 MonoType *t = sig->params [i];
2601 MonoMarshalSpec *spec = mspecs [i + 1];
2605 /* Ensure that we have marshalling info for this param */
2606 mono_marshal_load_type_info (mono_class_from_mono_type (t));
2608 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
2611 MonoMethod *marshal_native_to_managed;
2612 MonoMethod *get_instance;
2614 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2615 g_assert (mtype != NULL);
2616 mklass = mono_class_from_mono_type (mtype);
2617 g_assert (mklass != NULL);
2619 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
2620 g_assert (marshal_native_to_managed);
2621 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
2622 g_assert (get_instance);
2625 case MONO_TYPE_CLASS:
2626 case MONO_TYPE_OBJECT:
2627 case MONO_TYPE_STRING:
2628 case MONO_TYPE_ARRAY:
2629 case MONO_TYPE_SZARRAY:
2633 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2635 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
2637 mono_mb_emit_byte (mb, CEE_CALL);
2638 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
2640 mono_mb_emit_ldarg (mb, i);
2642 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2643 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
2645 mono_mb_emit_stloc (mb, tmp_locals [i]);
2648 g_warning ("custom marshalling of type %x is currently not supported", t->type);
2649 g_assert_not_reached ();
2656 case MONO_TYPE_CLASS: {
2657 klass = t->data.klass;
2659 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2661 if (klass->delegate) {
2662 g_assert (!t->byref);
2663 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2664 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
2665 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2666 mono_mb_emit_ldarg (mb, i);
2667 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
2668 mono_mb_emit_stloc (mb, tmp_locals [i]);
2672 /* The class can not have an automatic layout */
2673 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2674 raise_auto_layout_exception (klass);
2676 if (t->attrs & PARAM_ATTRIBUTE_OUT) {
2677 mono_mb_emit_byte (mb, CEE_LDNULL);
2678 mono_mb_emit_stloc (mb, tmp_locals [i]);
2683 mono_mb_emit_ldarg (mb, i);
2687 /* Check for NULL and raise an exception */
2688 mono_mb_emit_byte (mb, CEE_BRTRUE);
2690 mono_mb_emit_i4 (mb, 0);
2692 mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
2694 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
2695 mono_mb_emit_ldarg (mb, i);
2696 mono_mb_emit_byte (mb, CEE_LDIND_I);
2699 mono_mb_emit_byte (mb, CEE_STLOC_0);
2701 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
2702 mono_mb_emit_stloc (mb, tmp_locals [i]);
2704 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2705 mono_mb_emit_byte (mb, CEE_BRFALSE);
2707 mono_mb_emit_i4 (mb, 0);
2709 /* Create and set dst */
2710 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2711 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
2712 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
2713 mono_mb_emit_stloc (mb, tmp_locals [i]);
2714 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2715 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2716 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
2717 mono_mb_emit_icon (mb, sizeof (MonoObject));
2718 mono_mb_emit_byte (mb, CEE_ADD);
2719 mono_mb_emit_byte (mb, CEE_STLOC_1);
2721 /* emit valuetype conversion code */
2722 emit_struct_conv (mb, klass, TRUE);
2724 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2727 case MONO_TYPE_VALUETYPE:
2729 klass = sig->params [i]->data.klass;
2730 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2731 klass->blittable || klass->enumtype)
2734 tmp_locals [i] = mono_mb_add_local (mb, &klass->byval_arg);
2736 if (t->attrs & PARAM_ATTRIBUTE_OUT)
2740 mono_mb_emit_ldarg (mb, i);
2742 mono_mb_emit_ldarg_addr (mb, i);
2743 mono_mb_emit_byte (mb, CEE_STLOC_0);
2746 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2747 mono_mb_emit_byte (mb, CEE_BRFALSE);
2749 mono_mb_emit_i4 (mb, 0);
2752 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2753 mono_mb_emit_byte (mb, CEE_STLOC_1);
2755 /* emit valuetype conversion code */
2756 emit_struct_conv (mb, klass, TRUE);
2759 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
2761 case MONO_TYPE_STRING: {
2762 MonoMarshalNative encoding = mono_marshal_get_string_encoding (NULL, spec);
2767 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2768 csig->params [i] = &mono_defaults.int_class->byval_arg;
2770 mono_mb_emit_ldarg (mb, i);
2773 case MONO_NATIVE_LPWSTR:
2774 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
2776 case MONO_NATIVE_LPSTR:
2777 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
2780 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
2781 MonoException *exc = mono_get_exception_not_implemented (msg);
2784 mono_raise_exception (exc);
2788 mono_mb_emit_stloc (mb, tmp_locals [i]);
2791 case MONO_TYPE_ARRAY:
2792 case MONO_TYPE_SZARRAY:
2796 klass = mono_class_from_mono_type (t);
2798 tmp_locals [i] = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2799 csig->params [i] = &mono_defaults.int_class->byval_arg;
2801 g_warning ("array marshaling not implemented");
2802 g_assert_not_reached ();
2807 for (i = 0; i < sig->param_count; i++) {
2808 MonoType *t = sig->params [i];
2811 case MONO_TYPE_BOOLEAN:
2825 mono_mb_emit_ldarg (mb, i);
2827 case MONO_TYPE_STRING:
2829 mono_mb_emit_ldarg (mb, i);
2831 g_assert (tmp_locals [i]);
2832 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2835 case MONO_TYPE_CLASS:
2837 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2839 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2841 case MONO_TYPE_ARRAY:
2842 case MONO_TYPE_SZARRAY:
2843 case MONO_TYPE_OBJECT:
2845 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2847 mono_mb_emit_ldarg (mb, i);
2849 case MONO_TYPE_VALUETYPE:
2850 klass = sig->params [i]->data.klass;
2851 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2852 klass->blittable || klass->enumtype) {
2853 mono_mb_emit_ldarg (mb, i);
2857 g_assert (tmp_locals [i]);
2859 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
2861 mono_mb_emit_ldloc (mb, tmp_locals [i]);
2864 g_warning ("type 0x%02x unknown", t->type);
2865 g_assert_not_reached ();
2869 emit_thread_interrupt_checkpoint (mb);
2870 mono_mb_emit_managed_call (mb, method, NULL);
2872 /* Ensure that we have marshalling info for the return */
2873 mono_marshal_load_type_info (mono_class_from_mono_type (sig->ret));
2875 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
2876 MonoMarshalSpec *spec = mspecs [0];
2881 g_assert (!sig->ret->byref);
2883 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
2885 mklass = mono_class_from_mono_type (mtype);
2888 loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
2890 switch (sig->ret->type) {
2891 case MONO_TYPE_CLASS:
2892 case MONO_TYPE_OBJECT:
2893 case MONO_TYPE_STRING:
2894 case MONO_TYPE_ARRAY:
2895 case MONO_TYPE_SZARRAY:
2896 mono_mb_emit_byte (mb, CEE_STLOC_3);
2898 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2899 mono_mb_emit_stloc (mb, loc1);
2901 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
2902 mono_mb_emit_byte (mb, CEE_CALL);
2903 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_find_method_by_name (mklass, "GetInstance", 1)));
2904 mono_mb_emit_byte (mb, CEE_DUP);
2906 mono_mb_emit_byte (mb, CEE_LDLOC_3);
2907 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2908 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_find_method_by_name (mklass, "MarshalManagedToNative", 1)));
2909 mono_mb_emit_byte (mb, CEE_STLOC_3);
2911 mono_mb_emit_ldloc (mb, loc1);
2912 mono_mb_emit_byte (mb, CEE_CALLVIRT);
2913 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_find_method_by_name (mklass, "CleanUpManagedData", 1)));
2917 g_warning ("custom marshalling of type %x is currently not supported", sig->ret->type);
2918 g_assert_not_reached ();
2923 if (!sig->ret->byref) {
2924 switch (sig->ret->type) {
2925 case MONO_TYPE_VOID:
2927 case MONO_TYPE_BOOLEAN:
2941 case MONO_TYPE_OBJECT:
2942 mono_mb_emit_byte (mb, CEE_STLOC_3);
2944 case MONO_TYPE_STRING:
2945 csig->ret = &mono_defaults.int_class->byval_arg;
2947 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_STR_LPSTR));
2948 mono_mb_emit_byte (mb, CEE_STLOC_3);
2950 case MONO_TYPE_VALUETYPE:
2951 klass = sig->ret->data.klass;
2952 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
2953 klass->blittable || klass->enumtype)
2956 /* load pointer to returned value type */
2957 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
2958 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
2960 /* store the address of the source into local variable 0 */
2961 mono_mb_emit_byte (mb, CEE_STLOC_0);
2962 /* allocate space for the native struct and
2963 * store the address into dst_ptr */
2964 retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
2965 g_assert (retobj_var);
2966 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
2967 mono_mb_emit_byte (mb, CEE_CONV_I);
2968 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
2969 emit_thread_interrupt_checkpoint (mb);
2970 mono_mb_emit_byte (mb, CEE_STLOC_1);
2971 mono_mb_emit_byte (mb, CEE_LDLOC_1);
2972 mono_mb_emit_stloc (mb, retobj_var);
2974 /* emit valuetype conversion code */
2975 emit_struct_conv (mb, klass, FALSE);
2977 case MONO_TYPE_CLASS: {
2980 klass = sig->ret->data.klass;
2982 if (klass->delegate) {
2983 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
2984 mono_mb_emit_byte (mb, CEE_STLOC_3);
2988 /* The class can not have an automatic layout */
2989 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
2990 raise_auto_layout_exception (klass);
2992 mono_mb_emit_byte (mb, CEE_STLOC_0);
2993 /* Check for null */
2994 mono_mb_emit_byte (mb, CEE_LDLOC_0);
2995 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
2996 mono_mb_emit_byte (mb, CEE_LDNULL);
2997 mono_mb_emit_byte (mb, CEE_STLOC_3);
2998 pos2 = mono_mb_emit_branch (mb, CEE_BR);
3000 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3003 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3004 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3005 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3006 mono_mb_emit_icon (mb, sizeof (MonoObject));
3007 mono_mb_emit_byte (mb, CEE_ADD);
3008 mono_mb_emit_byte (mb, CEE_STLOC_0);
3010 /* Allocate and set dest */
3011 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3012 mono_mb_emit_byte (mb, CEE_CONV_I);
3013 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
3014 emit_thread_interrupt_checkpoint (mb);
3015 mono_mb_emit_byte (mb, CEE_DUP);
3016 mono_mb_emit_byte (mb, CEE_STLOC_1);
3017 mono_mb_emit_byte (mb, CEE_STLOC_3);
3019 emit_struct_conv (mb, klass, FALSE);
3021 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3025 g_warning ("return type 0x%02x unknown", sig->ret->type);
3026 g_assert_not_reached ();
3029 mono_mb_emit_byte (mb, CEE_STLOC_3);
3032 /* Convert byref arguments back */
3033 for (i = 0; i < sig->param_count; i ++) {
3034 MonoType *t = sig->params [i];
3035 MonoMarshalSpec *spec = mspecs [i + 1];
3037 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
3040 MonoMethod *cleanup_managed;
3041 MonoMethod *get_instance;
3043 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, method->klass->image);
3044 g_assert (mtype != NULL);
3045 mklass = mono_class_from_mono_type (mtype);
3046 g_assert (mklass != NULL);
3048 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3049 g_assert (get_instance);
3050 cleanup_managed = mono_find_method_by_name (mklass, "CleanUpManagedData", 1);
3051 g_assert (cleanup_managed);
3054 case MONO_TYPE_CLASS:
3055 case MONO_TYPE_OBJECT:
3056 case MONO_TYPE_STRING:
3057 case MONO_TYPE_ARRAY:
3058 case MONO_TYPE_SZARRAY:
3060 g_assert_not_reached ();
3062 /* Call CleanUpManagedData */
3064 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3066 mono_mb_emit_byte (mb, CEE_CALL);
3067 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3069 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3070 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3071 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_managed));
3075 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3076 g_assert_not_reached ();
3086 case MONO_TYPE_CLASS: {
3089 klass = t->data.klass;
3091 /* Check for null */
3092 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3093 pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
3094 mono_mb_emit_ldarg (mb, i);
3095 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
3096 mono_mb_emit_byte (mb, CEE_STIND_I);
3097 pos2 = mono_mb_emit_branch (mb, CEE_BR);
3099 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3102 mono_mb_emit_ldloc (mb, tmp_locals [i]);
3103 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3104 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3105 mono_mb_emit_icon (mb, sizeof (MonoObject));
3106 mono_mb_emit_byte (mb, CEE_ADD);
3107 mono_mb_emit_byte (mb, CEE_STLOC_0);
3109 /* Allocate and set dest */
3110 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3111 mono_mb_emit_byte (mb, CEE_CONV_I);
3112 mono_mb_emit_native_call (mb, alloc_sig, mono_marshal_alloc);
3113 emit_thread_interrupt_checkpoint (mb);
3114 mono_mb_emit_byte (mb, CEE_STLOC_1);
3116 /* Update argument pointer */
3117 mono_mb_emit_ldarg (mb, i);
3118 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3119 mono_mb_emit_byte (mb, CEE_STIND_I);
3121 /* emit valuetype conversion code */
3122 emit_struct_conv (mb, klass, FALSE);
3124 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3127 case MONO_TYPE_VALUETYPE: {
3130 klass = t->data.klass;
3132 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3133 klass->blittable || klass->enumtype) {
3137 /* Check for null */
3138 mono_mb_emit_ldarg (mb, i);
3139 pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
3142 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
3143 mono_mb_emit_byte (mb, CEE_STLOC_0);
3146 mono_mb_emit_ldarg (mb, i);
3147 mono_mb_emit_byte (mb, CEE_STLOC_1);
3149 /* emit valuetype conversion code */
3150 emit_struct_conv (mb, klass, FALSE);
3152 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
3159 mono_mb_emit_ldloc (mb, retobj_var);
3160 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3161 mono_mb_emit_byte (mb, CEE_MONO_RETOBJ);
3162 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3165 if (!MONO_TYPE_IS_VOID(sig->ret))
3166 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3167 mono_mb_emit_byte (mb, CEE_RET);
3171 res = mono_mb_create_and_cache (cache, method,
3172 mb, csig, sig->param_count + 16);
3174 res = mono_mb_create_method (mb, csig, sig->param_count + 16);
3179 /* 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)); */
3185 * mono_marshal_get_ldfld_wrapper:
3186 * @type: the type of the field
3188 * This method generates a function which can be use to load a field with type
3189 * @type from an object. The generated function has the following signature:
3190 * <@type> ldfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset)
3193 mono_marshal_get_ldfld_wrapper (MonoType *type)
3195 MonoMethodSignature *sig, *csig;
3196 MonoMethodBuilder *mb;
3199 static GHashTable *ldfld_hash = NULL;
3201 int t, pos0, pos1 = 0;
3206 if (type->type == MONO_TYPE_SZARRAY) {
3207 klass = mono_defaults.array_class;
3208 } else if (type->type == MONO_TYPE_VALUETYPE) {
3209 klass = type->data.klass;
3210 if (klass->enumtype) {
3211 t = klass->enum_basetype->type;
3212 klass = mono_class_from_mono_type (klass->enum_basetype);
3214 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3215 t == MONO_TYPE_CLASS) {
3216 klass = mono_defaults.object_class;
3217 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3218 klass = mono_defaults.int_class;
3220 klass = mono_class_from_mono_type (type);
3223 klass = mono_defaults.int_class;
3226 EnterCriticalSection (&marshal_mutex);
3228 ldfld_hash = g_hash_table_new (NULL, NULL);
3229 res = g_hash_table_lookup (ldfld_hash, klass);
3230 LeaveCriticalSection (&marshal_mutex);
3234 name = g_strdup_printf ("__ldfld_wrapper_%s.%s", klass->name_space, klass->name);
3235 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_LDFLD);
3238 mb->method->save_lmf = 1;
3240 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3241 sig->params [0] = &mono_defaults.object_class->byval_arg;
3242 sig->params [1] = &mono_defaults.int_class->byval_arg;
3243 sig->params [2] = &mono_defaults.int_class->byval_arg;
3244 sig->params [3] = &mono_defaults.int_class->byval_arg;
3245 sig->ret = &klass->byval_arg;
3247 mono_mb_emit_ldarg (mb, 0);
3248 pos0 = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3250 mono_mb_emit_ldarg (mb, 0);
3251 mono_mb_emit_ldarg (mb, 1);
3252 mono_mb_emit_ldarg (mb, 2);
3254 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
3255 csig->params [0] = &mono_defaults.object_class->byval_arg;
3256 csig->params [1] = &mono_defaults.int_class->byval_arg;
3257 csig->params [2] = &mono_defaults.int_class->byval_arg;
3258 csig->ret = &klass->this_arg;
3261 mono_mb_emit_native_call (mb, csig, mono_load_remote_field_new);
3262 emit_thread_interrupt_checkpoint (mb);
3264 if (klass->valuetype) {
3265 mono_mb_emit_byte (mb, CEE_UNBOX);
3266 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3267 mono_mb_emit_byte (mb, CEE_BR);
3269 mono_mb_emit_i4 (mb, 0);
3271 mono_mb_emit_byte (mb, CEE_RET);
3275 mono_mb_patch_addr (mb, pos0, mb->pos - (pos0 + 4));
3277 mono_mb_emit_ldarg (mb, 0);
3278 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3279 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3280 mono_mb_emit_ldarg (mb, 3);
3281 mono_mb_emit_byte (mb, CEE_ADD);
3283 if (klass->valuetype)
3284 mono_mb_patch_addr (mb, pos1, mb->pos - (pos1 + 4));
3289 case MONO_TYPE_BOOLEAN:
3290 mono_mb_emit_byte (mb, CEE_LDIND_I1);
3292 case MONO_TYPE_CHAR:
3295 mono_mb_emit_byte (mb, CEE_LDIND_I2);
3299 mono_mb_emit_byte (mb, CEE_LDIND_I4);
3303 mono_mb_emit_byte (mb, CEE_LDIND_I8);
3306 mono_mb_emit_byte (mb, CEE_LDIND_R4);
3309 mono_mb_emit_byte (mb, CEE_LDIND_R8);
3311 case MONO_TYPE_ARRAY:
3313 case MONO_TYPE_FNPTR:
3314 case MONO_TYPE_SZARRAY:
3315 case MONO_TYPE_OBJECT:
3316 case MONO_TYPE_CLASS:
3317 case MONO_TYPE_STRING:
3320 mono_mb_emit_byte (mb, CEE_LDIND_I);
3322 case MONO_TYPE_VALUETYPE:
3323 g_assert (!klass->enumtype);
3324 mono_mb_emit_byte (mb, CEE_LDOBJ);
3325 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3328 g_warning ("type %x not implemented", type->type);
3329 g_assert_not_reached ();
3332 mono_mb_emit_byte (mb, CEE_RET);
3334 res = mono_mb_create_and_cache (ldfld_hash, klass,
3335 mb, sig, sig->param_count + 16);
3342 * mono_marshal_get_stfld_wrapper:
3343 * @type: the type of the field
3345 * This method generates a function which can be use to store a field with type
3346 * @type. The generated function has the following signature:
3347 * void stfld_wrapper (MonoObject *this, MonoClass *class, MonoClassField *field, int offset, <@type> val)
3350 mono_marshal_get_stfld_wrapper (MonoType *type)
3352 MonoMethodSignature *sig, *csig;
3353 MonoMethodBuilder *mb;
3356 static GHashTable *stfld_hash = NULL;
3363 if (type->type == MONO_TYPE_SZARRAY) {
3364 klass = mono_defaults.array_class;
3365 } else if (type->type == MONO_TYPE_VALUETYPE) {
3366 klass = type->data.klass;
3367 if (klass->enumtype) {
3368 t = klass->enum_basetype->type;
3369 klass = mono_class_from_mono_type (klass->enum_basetype);
3371 } else if (t == MONO_TYPE_OBJECT || t == MONO_TYPE_CLASS || t == MONO_TYPE_STRING ||
3372 t == MONO_TYPE_CLASS) {
3373 klass = mono_defaults.object_class;
3374 } else if (t == MONO_TYPE_PTR || t == MONO_TYPE_FNPTR) {
3375 klass = mono_defaults.int_class;
3377 klass = mono_class_from_mono_type (type);
3380 klass = mono_defaults.int_class;
3383 EnterCriticalSection (&marshal_mutex);
3385 stfld_hash = g_hash_table_new (NULL, NULL);
3386 res = g_hash_table_lookup (stfld_hash, klass);
3387 LeaveCriticalSection (&marshal_mutex);
3391 name = g_strdup_printf ("__stfld_wrapper_%s.%s", klass->name_space, klass->name);
3392 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STFLD);
3395 mb->method->save_lmf = 1;
3397 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 5);
3398 sig->params [0] = &mono_defaults.object_class->byval_arg;
3399 sig->params [1] = &mono_defaults.int_class->byval_arg;
3400 sig->params [2] = &mono_defaults.int_class->byval_arg;
3401 sig->params [3] = &mono_defaults.int_class->byval_arg;
3402 sig->params [4] = &klass->byval_arg;
3403 sig->ret = &mono_defaults.void_class->byval_arg;
3405 mono_mb_emit_ldarg (mb, 0);
3406 pos = mono_mb_emit_proxy_check (mb, CEE_BNE_UN);
3408 mono_mb_emit_ldarg (mb, 0);
3409 mono_mb_emit_ldarg (mb, 1);
3410 mono_mb_emit_ldarg (mb, 2);
3411 mono_mb_emit_ldarg (mb, 4);
3413 if (klass->valuetype) {
3414 mono_mb_emit_byte (mb, CEE_BOX);
3415 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3418 csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
3419 csig->params [0] = &mono_defaults.object_class->byval_arg;
3420 csig->params [1] = &mono_defaults.int_class->byval_arg;
3421 csig->params [2] = &mono_defaults.int_class->byval_arg;
3422 csig->params [3] = &klass->this_arg;
3423 csig->ret = &mono_defaults.void_class->byval_arg;
3426 mono_mb_emit_native_call (mb, csig, mono_store_remote_field_new);
3427 emit_thread_interrupt_checkpoint (mb);
3429 mono_mb_emit_byte (mb, CEE_RET);
3431 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3433 mono_mb_emit_ldarg (mb, 0);
3434 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3435 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3436 mono_mb_emit_ldarg (mb, 3);
3437 mono_mb_emit_byte (mb, CEE_ADD);
3438 mono_mb_emit_ldarg (mb, 4);
3443 case MONO_TYPE_BOOLEAN:
3444 mono_mb_emit_byte (mb, CEE_STIND_I1);
3446 case MONO_TYPE_CHAR:
3449 mono_mb_emit_byte (mb, CEE_STIND_I2);
3453 mono_mb_emit_byte (mb, CEE_STIND_I4);
3457 mono_mb_emit_byte (mb, CEE_STIND_I8);
3460 mono_mb_emit_byte (mb, CEE_STIND_R4);
3463 mono_mb_emit_byte (mb, CEE_STIND_R8);
3465 case MONO_TYPE_ARRAY:
3467 case MONO_TYPE_FNPTR:
3468 case MONO_TYPE_SZARRAY:
3469 case MONO_TYPE_OBJECT:
3470 case MONO_TYPE_CLASS:
3471 case MONO_TYPE_STRING:
3474 mono_mb_emit_byte (mb, CEE_STIND_I);
3476 case MONO_TYPE_VALUETYPE:
3477 g_assert (!klass->enumtype);
3478 mono_mb_emit_byte (mb, CEE_STOBJ);
3479 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3482 g_warning ("type %x not implemented", type->type);
3483 g_assert_not_reached ();
3486 mono_mb_emit_byte (mb, CEE_RET);
3488 res = mono_mb_create_and_cache (stfld_hash, klass,
3489 mb, sig, sig->param_count + 16);
3496 * generates IL code for the icall wrapper (the generated method
3497 * calls the unmanaged code in func)
3500 mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func)
3502 MonoMethodSignature *csig;
3503 MonoMethodBuilder *mb;
3507 g_assert (sig->pinvoke);
3509 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
3511 mb->method->save_lmf = 1;
3513 /* we copy the signature, so that we can modify it */
3516 mono_mb_emit_byte (mb, CEE_LDARG_0);
3518 for (i = 0; i < sig->param_count; i++)
3519 mono_mb_emit_ldarg (mb, i + sig->hasthis);
3521 mono_mb_emit_native_call (mb, sig, (gpointer) func);
3522 emit_thread_interrupt_checkpoint (mb);
3523 mono_mb_emit_byte (mb, CEE_RET);
3525 csig = mono_metadata_signature_dup (sig);
3527 if (csig->call_convention == MONO_CALL_VARARG)
3528 csig->call_convention = 0;
3530 res = mono_mb_create_method (mb, csig, csig->param_count + 16);
3537 MonoMethodBuilder *mb;
3538 MonoMethodPInvoke *piinfo;
3539 int *orig_conv_args; /* Locals containing the original values of byref args */
3540 } EmitMarshalContext;
3543 MARSHAL_ACTION_CONV_IN,
3544 MARSHAL_ACTION_PUSH,
3545 MARSHAL_ACTION_CONV_OUT,
3546 MARSHAL_ACTION_CONV_RESULT
3550 emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
3551 MonoMarshalSpec *spec,
3552 int conv_arg, MonoType **conv_arg_type,
3553 MarshalAction action)
3557 MonoMethod *get_instance, *cleanup_native;
3558 MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
3559 MonoMethodBuilder *mb = m->mb;
3562 mtype = mono_reflection_type_from_name (spec->data.custom_data.custom_name, mb->method->klass->image);
3563 g_assert (mtype != NULL);
3564 mklass = mono_class_from_mono_type (mtype);
3565 g_assert (mklass != NULL);
3567 get_instance = mono_find_method_by_name (mklass, "GetInstance", 1);
3568 g_assert (get_instance);
3569 cleanup_native = mono_find_method_by_name (mklass, "CleanUpNativeData", 1);
3570 g_assert (cleanup_native);
3571 marshal_managed_to_native = mono_find_method_by_name (mklass, "MarshalManagedToNative", 1);
3572 g_assert (marshal_managed_to_native);
3573 marshal_native_to_managed = mono_find_method_by_name (mklass, "MarshalNativeToManaged", 1);
3574 g_assert (marshal_native_to_managed);
3577 case MARSHAL_ACTION_CONV_IN:
3579 case MONO_TYPE_CLASS:
3580 case MONO_TYPE_OBJECT:
3581 case MONO_TYPE_STRING:
3582 case MONO_TYPE_ARRAY:
3583 case MONO_TYPE_SZARRAY:
3584 case MONO_TYPE_VALUETYPE:
3588 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3590 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3592 mono_mb_emit_byte (mb, CEE_CALL);
3593 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3595 mono_mb_emit_ldarg (mb, argnum);
3597 if (t->type == MONO_TYPE_VALUETYPE) {
3599 * Since we can't determine the type of the argument, we
3600 * will assume the unmanaged function takes a pointer.
3602 *conv_arg_type = &mono_defaults.int_class->byval_arg;
3604 mono_mb_emit_byte (mb, CEE_BOX);
3605 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_class_from_mono_type (t)));
3608 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3609 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_managed_to_native));
3610 mono_mb_emit_stloc (mb, conv_arg);
3614 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3615 g_assert_not_reached ();
3621 case MARSHAL_ACTION_CONV_OUT:
3623 case MONO_TYPE_CLASS:
3624 case MONO_TYPE_OBJECT:
3625 case MONO_TYPE_STRING:
3626 case MONO_TYPE_ARRAY:
3627 case MONO_TYPE_SZARRAY:
3628 case MONO_TYPE_VALUETYPE:
3629 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3631 mono_mb_emit_byte (mb, CEE_CALL);
3632 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3634 mono_mb_emit_ldloc (mb, conv_arg);
3636 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3637 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
3642 g_warning ("custom marshalling of type %x is currently not supported", t->type);
3643 g_assert_not_reached ();
3648 case MARSHAL_ACTION_PUSH:
3649 mono_mb_emit_ldloc (mb, conv_arg);
3652 case MARSHAL_ACTION_CONV_RESULT:
3653 loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3656 case MONO_TYPE_CLASS:
3657 case MONO_TYPE_OBJECT:
3658 case MONO_TYPE_STRING:
3659 case MONO_TYPE_ARRAY:
3660 case MONO_TYPE_SZARRAY:
3661 mono_mb_emit_byte (mb, CEE_STLOC_3);
3663 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3664 mono_mb_emit_stloc (mb, loc1);
3666 mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
3668 mono_mb_emit_byte (mb, CEE_CALL);
3669 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, get_instance));
3670 mono_mb_emit_byte (mb, CEE_DUP);
3672 mono_mb_emit_byte (mb, CEE_LDLOC_3);
3673 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3674 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, marshal_native_to_managed));
3675 mono_mb_emit_byte (mb, CEE_STLOC_3);
3677 mono_mb_emit_ldloc (mb, loc1);
3678 mono_mb_emit_byte (mb, CEE_CALLVIRT);
3679 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, cleanup_native));
3683 g_assert_not_reached ();
3689 g_assert_not_reached ();
3696 emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
3697 MonoMarshalSpec *spec,
3698 int conv_arg, MonoType **conv_arg_type,
3699 MarshalAction action)
3701 MonoMethodBuilder *mb = m->mb;
3704 case MARSHAL_ACTION_CONV_IN: {
3705 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
3707 g_assert (t->type == MONO_TYPE_OBJECT);
3708 g_assert (!t->byref);
3710 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3711 mono_mb_emit_ldarg (mb, argnum);
3712 mono_mb_emit_icon (mb, encoding);
3713 mono_mb_emit_icall (mb, mono_marshal_asany);
3714 mono_mb_emit_stloc (mb, conv_arg);
3718 case MARSHAL_ACTION_PUSH:
3719 mono_mb_emit_ldloc (mb, conv_arg);
3722 case MARSHAL_ACTION_CONV_OUT: {
3723 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
3725 mono_mb_emit_ldarg (mb, argnum);
3726 mono_mb_emit_ldloc (mb, conv_arg);
3727 mono_mb_emit_icon (mb, encoding);
3728 mono_mb_emit_icall (mb, mono_marshal_free_asany);
3733 g_assert_not_reached ();
3740 emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
3741 MonoMarshalSpec *spec,
3742 int conv_arg, MonoType **conv_arg_type,
3743 MarshalAction action)
3745 MonoMethodBuilder *mb = m->mb;
3749 klass = t->data.klass;
3752 case MARSHAL_ACTION_CONV_IN:
3753 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3754 klass->blittable || klass->enumtype)
3757 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3759 /* store the address of the source into local variable 0 */
3761 mono_mb_emit_ldarg (mb, argnum);
3763 mono_mb_emit_ldarg_addr (mb, argnum);
3765 mono_mb_emit_byte (mb, CEE_STLOC_0);
3767 /* allocate space for the native struct and
3768 * store the address into local variable 1 (dest) */
3769 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
3770 mono_mb_emit_byte (mb, CEE_PREFIX1);
3771 mono_mb_emit_byte (mb, CEE_LOCALLOC);
3772 mono_mb_emit_stloc (mb, conv_arg);
3775 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3776 mono_mb_emit_byte (mb, CEE_BRFALSE);
3778 mono_mb_emit_i4 (mb, 0);
3782 mono_mb_emit_ldloc (mb, conv_arg);
3783 mono_mb_emit_byte (mb, CEE_STLOC_1);
3785 /* emit valuetype conversion code */
3786 emit_struct_conv (mb, klass, FALSE);
3789 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3792 case MARSHAL_ACTION_PUSH:
3793 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3794 klass->blittable || klass->enumtype) {
3795 mono_mb_emit_ldarg (mb, argnum);
3798 mono_mb_emit_ldloc (mb, conv_arg);
3800 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3801 mono_mb_emit_byte (mb, CEE_MONO_LDNATIVEOBJ);
3802 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
3806 case MARSHAL_ACTION_CONV_OUT:
3807 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3808 klass->blittable || klass->enumtype)
3812 /* dst = argument */
3813 mono_mb_emit_ldarg (mb, argnum);
3814 mono_mb_emit_byte (mb, CEE_STLOC_1);
3816 mono_mb_emit_byte (mb, CEE_LDLOC_1);
3817 mono_mb_emit_byte (mb, CEE_BRFALSE);
3819 mono_mb_emit_i4 (mb, 0);
3821 /* src = tmp_locals [i] */
3822 mono_mb_emit_ldloc (mb, conv_arg);
3823 mono_mb_emit_byte (mb, CEE_STLOC_0);
3825 /* emit valuetype conversion code */
3826 emit_struct_conv (mb, klass, TRUE);
3829 emit_struct_free (mb, klass, conv_arg);
3832 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
3835 case MARSHAL_ACTION_CONV_RESULT:
3836 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
3838 mono_mb_emit_byte (mb, CEE_STLOC_3);
3841 /* load pointer to returned value type */
3842 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3843 mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
3844 /* store the address of the source into local variable 0 */
3845 mono_mb_emit_byte (mb, CEE_STLOC_0);
3847 mono_mb_emit_ldloc_addr (mb, 3);
3848 mono_mb_emit_byte (mb, CEE_STLOC_1);
3850 /* emit valuetype conversion code */
3851 emit_struct_conv (mb, klass, TRUE);
3855 g_assert_not_reached ();
3862 emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
3863 MonoMarshalSpec *spec,
3864 int conv_arg, MonoType **conv_arg_type,
3865 MarshalAction action)
3867 MonoMethodBuilder *mb = m->mb;
3868 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
3869 MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
3872 case MARSHAL_ACTION_CONV_IN:
3873 *conv_arg_type = &mono_defaults.int_class->byval_arg;
3874 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3877 if (t->attrs & PARAM_ATTRIBUTE_OUT)
3880 mono_mb_emit_ldarg (mb, argnum);
3881 mono_mb_emit_byte (mb, CEE_LDIND_I);
3883 mono_mb_emit_ldarg (mb, argnum);
3887 char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
3888 MonoException *exc = mono_get_exception_not_implemented (msg);
3891 mono_raise_exception (exc);
3894 mono_mb_emit_icall (mb, conv_to_icall (conv));
3896 mono_mb_emit_stloc (mb, conv_arg);
3899 case MARSHAL_ACTION_CONV_OUT:
3900 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
3901 mono_mb_emit_ldarg (mb, argnum);
3902 mono_mb_emit_ldloc (mb, conv_arg);
3903 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3904 mono_mb_emit_byte (mb, CEE_STIND_I);
3906 if (mono_marshal_need_free (t, m->piinfo, spec)) {
3907 mono_mb_emit_ldloc (mb, conv_arg);
3908 mono_mb_emit_icall (mb, mono_marshal_free);
3913 case MARSHAL_ACTION_CONV_RESULT:
3914 mono_mb_emit_byte (mb, CEE_STLOC_0);
3915 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3918 switch (spec->native) {
3919 case MONO_NATIVE_LPWSTR:
3920 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPWSTR_STR));
3923 g_warning ("marshalling conversion not implemented");
3924 g_assert_not_reached ();
3927 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_LPSTR_STR));
3929 mono_mb_emit_byte (mb, CEE_STLOC_3);
3931 /* free the string */
3932 mono_mb_emit_byte (mb, CEE_LDLOC_0);
3933 mono_mb_emit_icall (mb, g_free);
3937 g_assert_not_reached ();
3944 emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
3945 MonoMarshalSpec *spec,
3946 int conv_arg, MonoType **conv_arg_type,
3947 MarshalAction action)
3949 MonoMethodBuilder *mb = m->mb;
3950 MonoClass *klass = t->data.klass;
3954 case MARSHAL_ACTION_CONV_IN:
3955 *conv_arg_type = &mono_defaults.int_class->byval_arg;
3956 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
3958 m->orig_conv_args [argnum] = 0;
3960 if (klass->delegate) {
3961 g_assert (!t->byref);
3962 mono_mb_emit_ldarg (mb, argnum);
3963 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN));
3964 mono_mb_emit_stloc (mb, conv_arg);
3965 } else if (klass == mono_defaults.stringbuilder_class) {
3966 MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
3967 MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
3969 g_assert (!t->byref);
3970 mono_mb_emit_ldarg (mb, argnum);
3973 mono_mb_emit_icall (mb, conv_to_icall (conv));
3975 char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
3976 MonoException *exc = mono_get_exception_not_implemented (msg);
3979 mono_raise_exception (exc);
3982 mono_mb_emit_stloc (mb, conv_arg);
3983 } else if (klass->blittable) {
3984 mono_mb_emit_ldarg (mb, argnum);
3985 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
3986 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
3987 mono_mb_emit_icon (mb, sizeof (MonoObject));
3988 mono_mb_emit_byte (mb, CEE_ADD);
3989 mono_mb_emit_stloc (mb, conv_arg);
3992 mono_mb_emit_byte (mb, CEE_LDNULL);
3993 mono_mb_emit_stloc (mb, conv_arg);
3996 /* we dont need any conversions for out parameters */
3997 if (t->attrs & PARAM_ATTRIBUTE_OUT)
4000 mono_mb_emit_ldarg (mb, argnum);
4001 mono_mb_emit_byte (mb, CEE_LDIND_I);
4004 mono_mb_emit_ldarg (mb, argnum);
4005 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4006 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4009 /* store the address of the source into local variable 0 */
4010 mono_mb_emit_byte (mb, CEE_STLOC_0);
4011 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4012 mono_mb_emit_byte (mb, CEE_BRFALSE);
4014 mono_mb_emit_i4 (mb, 0);
4016 /* allocate space for the native struct and store the address */
4017 mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
4018 mono_mb_emit_byte (mb, CEE_PREFIX1);
4019 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4020 mono_mb_emit_stloc (mb, conv_arg);
4023 /* Need to store the original buffer so we can free it later */
4024 m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4025 mono_mb_emit_ldloc (mb, conv_arg);
4026 mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
4029 /* set the src_ptr */
4030 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4031 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4032 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4033 mono_mb_emit_icon (mb, sizeof (MonoObject));
4034 mono_mb_emit_byte (mb, CEE_ADD);
4035 mono_mb_emit_byte (mb, CEE_STLOC_0);
4038 mono_mb_emit_ldloc (mb, conv_arg);
4039 mono_mb_emit_byte (mb, CEE_STLOC_1);
4041 /* emit valuetype conversion code */
4042 emit_struct_conv (mb, klass, FALSE);
4044 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4048 case MARSHAL_ACTION_CONV_OUT:
4049 if (klass == mono_defaults.stringbuilder_class) {
4051 MonoMarshalNative encoding;
4052 MonoMarshalConv conv;
4054 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4055 conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
4057 g_assert (!t->byref);
4058 g_assert (encoding != -1);
4060 mono_mb_emit_ldarg (mb, argnum);
4061 mono_mb_emit_ldloc (mb, conv_arg);
4063 mono_mb_emit_icall (mb, conv_to_icall (conv));
4066 mono_mb_emit_ldloc (mb, conv_arg);
4067 mono_mb_emit_icall (mb, mono_marshal_free);
4072 if (klass->delegate)
4075 if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4076 /* allocate a new object */
4077 mono_mb_emit_ldarg (mb, argnum);
4078 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4079 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4080 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, t->data.klass));
4081 mono_mb_emit_byte (mb, CEE_STIND_I);
4084 /* dst = *argument */
4085 mono_mb_emit_ldarg (mb, argnum);
4088 mono_mb_emit_byte (mb, CEE_LDIND_I);
4090 mono_mb_emit_byte (mb, CEE_STLOC_1);
4092 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4093 mono_mb_emit_byte (mb, CEE_BRFALSE);
4095 mono_mb_emit_i4 (mb, 0);
4097 if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
4098 mono_mb_emit_byte (mb, CEE_LDLOC_1);
4099 mono_mb_emit_icon (mb, sizeof (MonoObject));
4100 mono_mb_emit_byte (mb, CEE_ADD);
4101 mono_mb_emit_byte (mb, CEE_STLOC_1);
4103 /* src = tmp_locals [i] */
4104 mono_mb_emit_ldloc (mb, conv_arg);
4105 mono_mb_emit_byte (mb, CEE_STLOC_0);
4107 /* emit valuetype conversion code */
4108 emit_struct_conv (mb, t->data.klass, TRUE);
4110 /* Free the structure returned by the native code */
4111 emit_struct_free (mb, klass, conv_arg);
4113 if (m->orig_conv_args [argnum]) {
4115 * If the native function changed the pointer, then free
4116 * the original structure plus the new pointer.
4118 mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
4119 mono_mb_emit_ldloc (mb, conv_arg);
4120 mono_mb_emit_byte (mb, CEE_BEQ);
4122 mono_mb_emit_i4 (mb, 0);
4124 if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
4125 g_assert (m->orig_conv_args [argnum]);
4127 emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
4130 mono_mb_emit_ldloc (mb, conv_arg);
4131 mono_mb_emit_icall (mb, g_free);
4133 mono_mb_patch_addr (mb, pos2, mb->pos - (pos2 + 4));
4137 /* Free the original structure passed to native code */
4138 emit_struct_free (mb, klass, conv_arg);
4140 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4143 case MARSHAL_ACTION_CONV_RESULT:
4144 if (klass->delegate) {
4145 g_assert (!t->byref);
4146 mono_mb_emit_byte (mb, CEE_STLOC_0);
4147 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4148 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
4149 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4150 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4151 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL));
4152 mono_mb_emit_byte (mb, CEE_STLOC_3);
4155 mono_mb_emit_byte (mb, CEE_STLOC_0);
4157 /* Make a copy since emit_conv modifies local 0 */
4158 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4159 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4160 mono_mb_emit_stloc (mb, loc);
4162 mono_mb_emit_byte (mb, CEE_LDNULL);
4163 mono_mb_emit_byte (mb, CEE_STLOC_3);
4165 mono_mb_emit_byte (mb, CEE_LDLOC_0);
4166 mono_mb_emit_byte (mb, CEE_BRFALSE);
4168 mono_mb_emit_i4 (mb, 0);
4170 /* allocate result object */
4172 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4173 mono_mb_emit_byte (mb, CEE_MONO_NEWOBJ);
4174 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4175 mono_mb_emit_byte (mb, CEE_STLOC_3);
4179 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4180 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4181 mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
4182 mono_mb_emit_icon (mb, sizeof (MonoObject));
4183 mono_mb_emit_byte (mb, CEE_ADD);
4184 mono_mb_emit_byte (mb, CEE_STLOC_1);
4186 /* emit conversion code */
4187 emit_struct_conv (mb, klass, TRUE);
4189 emit_struct_free (mb, klass, loc);
4191 /* Free the pointer allocated by unmanaged code */
4192 mono_mb_emit_ldloc (mb, loc);
4193 mono_mb_emit_icall (mb, g_free);
4194 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
4199 g_assert_not_reached ();
4206 emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
4207 MonoMarshalSpec *spec,
4208 int conv_arg, MonoType **conv_arg_type,
4209 MarshalAction action)
4211 MonoMethodBuilder *mb = m->mb;
4212 MonoClass *klass = mono_class_from_mono_type (t);
4213 gboolean need_convert, need_free;
4216 case MARSHAL_ACTION_CONV_IN:
4217 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4218 conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4220 if (klass->element_class->blittable) {
4221 mono_mb_emit_ldarg (mb, argnum);
4223 mono_mb_emit_byte (mb, CEE_LDIND_I);
4224 mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY));
4225 mono_mb_emit_stloc (mb, conv_arg);
4229 guint32 label1, label2, label3;
4230 int index_var, src_var, dest_ptr, esize;
4231 MonoMarshalNative encoding;
4232 MonoMarshalConv conv;
4233 gboolean is_string = FALSE;
4235 dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4237 eklass = klass->element_class;
4239 encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
4240 if (eklass == mono_defaults.string_class) {
4242 conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
4244 else if (eklass == mono_defaults.stringbuilder_class) {
4246 conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
4251 src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4252 mono_mb_emit_ldarg (mb, argnum);
4254 mono_mb_emit_byte (mb, CEE_LDIND_I);
4255 mono_mb_emit_stloc (mb, src_var);
4258 mono_mb_emit_ldloc (mb, src_var);
4259 mono_mb_emit_stloc (mb, conv_arg);
4260 mono_mb_emit_ldloc (mb, src_var);
4261 mono_mb_emit_byte (mb, CEE_BRFALSE);
4263 mono_mb_emit_i4 (mb, 0);
4267 char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
4268 MonoException *exc = mono_get_exception_not_implemented (msg);
4271 mono_raise_exception (exc);
4276 esize = sizeof (gpointer);
4278 esize = mono_class_native_size (eklass, NULL);
4280 /* allocate space for the native struct and store the address */
4281 mono_mb_emit_icon (mb, esize);
4282 mono_mb_emit_ldloc (mb, src_var);
4283 mono_mb_emit_byte (mb, CEE_LDLEN);
4285 if (eklass == mono_defaults.string_class) {
4286 /* Make the array bigger for the terminating null */
4287 mono_mb_emit_byte (mb, CEE_LDC_I4_1);
4288 mono_mb_emit_byte (mb, CEE_ADD);
4290 mono_mb_emit_byte (mb, CEE_MUL);
4291 mono_mb_emit_byte (mb, CEE_PREFIX1);
4292 mono_mb_emit_byte (mb, CEE_LOCALLOC);
4293 mono_mb_emit_stloc (mb, conv_arg);
4295 mono_mb_emit_ldloc (mb, conv_arg);
4296 mono_mb_emit_stloc (mb, dest_ptr);
4298 /* Emit marshalling loop */
4299 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4300 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4301 mono_mb_emit_stloc (mb, index_var);
4303 mono_mb_emit_ldloc (mb, index_var);
4304 mono_mb_emit_ldloc (mb, src_var);
4305 mono_mb_emit_byte (mb, CEE_LDLEN);
4306 mono_mb_emit_byte (mb, CEE_BGE);
4308 mono_mb_emit_i4 (mb, 0);
4310 /* Emit marshalling code */
4313 mono_mb_emit_ldloc (mb, dest_ptr);
4314 mono_mb_emit_ldloc (mb, src_var);
4315 mono_mb_emit_ldloc (mb, index_var);
4316 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4317 mono_mb_emit_icall (mb, conv_to_icall (conv));
4318 mono_mb_emit_byte (mb, CEE_STIND_I);
4321 /* set the src_ptr */
4322 mono_mb_emit_ldloc (mb, src_var);
4323 mono_mb_emit_ldloc (mb, index_var);
4324 mono_mb_emit_byte (mb, CEE_LDELEMA);
4325 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
4326 mono_mb_emit_byte (mb, CEE_STLOC_0);
4329 mono_mb_emit_ldloc (mb, dest_ptr);
4330 mono_mb_emit_byte (mb, CEE_STLOC_1);
4332 /* emit valuetype conversion code */
4333 emit_struct_conv (mb, eklass, FALSE);
4336 mono_mb_emit_add_to_local (mb, index_var, 1);
4337 mono_mb_emit_add_to_local (mb, dest_ptr, esize);
4339 mono_mb_emit_byte (mb, CEE_BR);
4340 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
4342 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
4344 if (eklass == mono_defaults.string_class) {
4345 /* Null terminate */
4346 mono_mb_emit_ldloc (mb, dest_ptr);
4347 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4348 mono_mb_emit_byte (mb, CEE_STIND_REF);
4351 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
4356 case MARSHAL_ACTION_CONV_OUT:
4357 /* Character arrays are implicitly marshalled as [Out] */
4358 need_convert = (klass->element_class == mono_defaults.char_class) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
4359 need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
4362 if (need_convert || need_free) {
4363 /* FIXME: Optimize blittable case */
4365 guint32 label1, label2, label3;
4366 int index_var, src_ptr, loc, esize;
4368 eklass = klass->element_class;
4369 if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
4370 esize = sizeof (gpointer);
4372 esize = mono_class_native_size (eklass, NULL);
4373 src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4374 loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4377 mono_mb_emit_ldarg (mb, argnum);
4379 mono_mb_emit_byte (mb, CEE_LDIND_I);
4380 mono_mb_emit_byte (mb, CEE_BRFALSE);
4382 mono_mb_emit_i4 (mb, 0);
4384 mono_mb_emit_ldloc (mb, conv_arg);
4385 mono_mb_emit_stloc (mb, src_ptr);
4387 /* Emit marshalling loop */
4388 index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4389 mono_mb_emit_byte (mb, CEE_LDC_I4_0);
4390 mono_mb_emit_stloc (mb, index_var);
4392 mono_mb_emit_ldloc (mb, index_var);
4393 mono_mb_emit_ldarg (mb, argnum);
4395 mono_mb_emit_byte (mb, CEE_LDIND_I);
4396 mono_mb_emit_byte (mb, CEE_LDLEN);
4397 mono_mb_emit_byte (mb, CEE_BGE);
4399 mono_mb_emit_i4 (mb, 0);
4401 /* Emit marshalling code */
4403 if (eklass == mono_defaults.stringbuilder_class) {
4404 gboolean need_free2;
4405 MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
4407 g_assert (conv != -1);
4410 mono_mb_emit_ldarg (mb, argnum);
4412 mono_mb_emit_byte (mb, CEE_LDIND_I);
4413 mono_mb_emit_ldloc (mb, index_var);
4414 mono_mb_emit_byte (mb, CEE_LDELEM_REF);
4417 mono_mb_emit_ldloc (mb, src_ptr);
4418 mono_mb_emit_byte (mb, CEE_LDIND_I);
4420 mono_mb_emit_icall (mb, conv_to_icall (conv));
4424 mono_mb_emit_ldloc (mb, src_ptr);
4425 mono_mb_emit_byte (mb, CEE_LDIND_I);
4427 mono_mb_emit_icall (mb, mono_marshal_free);
4430 else if (eklass == mono_defaults.string_class) {
4433 mono_mb_emit_ldloc (mb, src_ptr);
4434 mono_mb_emit_byte (mb, CEE_LDIND_I);
4436 mono_mb_emit_icall (mb, mono_marshal_free);
4441 /* set the src_ptr */
4442 mono_mb_emit_ldloc (mb, src_ptr);
4443 mono_mb_emit_byte (mb, CEE_STLOC_0);
4446 mono_mb_emit_ldarg (mb, argnum);
4448 mono_mb_emit_byte (mb, CEE_LDIND_I);
4449 mono_mb_emit_ldloc (mb, index_var);
4450 mono_mb_emit_byte (mb, CEE_LDELEMA);
4451 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, eklass));
4452 mono_mb_emit_byte (mb, CEE_STLOC_1);
4454 /* emit valuetype conversion code */
4455 emit_struct_conv (mb, eklass, TRUE);
4459 mono_mb_emit_ldloc (mb, src_ptr);
4460 mono_mb_emit_stloc (mb, loc);
4461 mono_mb_emit_ldloc (mb, loc);
4463 emit_struct_free (mb, eklass, loc);
4467 mono_mb_emit_add_to_local (mb, index_var, 1);
4468 mono_mb_emit_add_to_local (mb, src_ptr, esize);
4470 mono_mb_emit_byte (mb, CEE_BR);
4471 mono_mb_emit_i4 (mb, label2 - (mb->pos + 4));
4473 mono_mb_patch_addr (mb, label1, mb->pos - (label1 + 4));
4474 mono_mb_patch_addr (mb, label3, mb->pos - (label3 + 4));
4478 case MARSHAL_ACTION_CONV_RESULT:
4479 /* fixme: we need conversions here */
4480 mono_mb_emit_byte (mb, CEE_STLOC_3);
4483 g_assert_not_reached ();
4490 emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
4491 MonoMarshalSpec *spec,
4492 int conv_arg, MonoType **conv_arg_type,
4493 MarshalAction action)
4495 MonoMethodBuilder *mb = m->mb;
4498 case MARSHAL_ACTION_CONV_IN: {
4499 MonoType *local_type;
4500 int variant_bool = 0;
4504 local_type = &mono_defaults.int32_class->byval_arg;
4506 switch (spec->native) {
4507 case MONO_NATIVE_I1:
4508 local_type = &mono_defaults.byte_class->byval_arg;
4510 case MONO_NATIVE_VARIANTBOOL:
4511 local_type = &mono_defaults.int16_class->byval_arg;
4515 g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
4516 local_type = &mono_defaults.int32_class->byval_arg;
4520 *conv_arg_type = &mono_defaults.int_class->byval_arg;
4521 conv_arg = mono_mb_add_local (mb, local_type);
4522 mono_mb_emit_ldarg (mb, argnum);
4523 mono_mb_emit_byte (mb, CEE_LDIND_I1);
4525 mono_mb_emit_byte (mb, CEE_NEG);
4526 mono_mb_emit_stloc (mb, conv_arg);
4530 case MARSHAL_ACTION_CONV_RESULT:
4531 /* maybe we need to make sure that it fits within 8 bits */
4532 mono_mb_emit_byte (mb, CEE_STLOC_3);
4536 g_assert_not_reached ();
4543 emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
4544 MonoMarshalSpec *spec, int conv_arg,
4545 MonoType **conv_arg_type, MarshalAction action)
4547 /* Ensure that we have marshalling info for this param */
4548 mono_marshal_load_type_info (mono_class_from_mono_type (t));
4550 if (spec && spec->native == MONO_NATIVE_CUSTOM)
4551 return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4553 if (spec && spec->native == MONO_NATIVE_ASANY)
4554 return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4557 case MONO_TYPE_VALUETYPE:
4558 return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4559 case MONO_TYPE_STRING:
4560 return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4561 case MONO_TYPE_CLASS:
4562 case MONO_TYPE_OBJECT:
4563 return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4564 case MONO_TYPE_ARRAY:
4565 case MONO_TYPE_SZARRAY:
4566 return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4567 case MONO_TYPE_BOOLEAN:
4568 return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
4575 * mono_marshal_get_native_wrapper:
4576 * @method: The MonoMethod to wrap.
4578 * generates IL code for the pinvoke wrapper (the generated method
4579 * calls the unmanaged code in method->addr)
4582 mono_marshal_get_native_wrapper (MonoMethod *method)
4584 EmitMarshalContext m;
4585 MonoMethodSignature *sig, *csig;
4586 MonoMethodPInvoke *piinfo;
4587 MonoMethodBuilder *mb;
4588 MonoMarshalSpec **mspecs;
4592 gboolean pinvoke = FALSE;
4593 int i, argnum, *tmp_locals;
4595 const char *exc_class = "MissingMethodException";
4596 const char *exc_arg = NULL;
4598 g_assert (method != NULL);
4599 g_assert (method->signature->pinvoke);
4601 cache = method->klass->image->native_wrapper_cache;
4602 if ((res = mono_marshal_find_in_cache (cache, method)))
4605 sig = method->signature;
4607 if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
4608 (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
4611 if (!method->addr) {
4613 mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
4615 method->addr = mono_lookup_internal_call (method);
4618 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
4620 mb->method->save_lmf = 1;
4622 piinfo = (MonoMethodPInvoke *)method;
4624 if (!method->addr) {
4625 mono_mb_emit_exception (mb, exc_class, exc_arg);
4626 csig = mono_metadata_signature_dup (sig);
4628 res = mono_mb_create_and_cache (cache, method,
4629 mb, csig, csig->param_count + 16);
4637 /* internal calls: we simply push all arguments and call the method (no conversions) */
4638 if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
4640 /* hack - string constructors returns a value */
4641 if (method->string_ctor) {
4642 csig = mono_metadata_signature_dup (sig);
4643 csig->ret = &mono_defaults.string_class->byval_arg;
4648 mono_mb_emit_byte (mb, CEE_LDARG_0);
4650 for (i = 0; i < sig->param_count; i++)
4651 mono_mb_emit_ldarg (mb, i + sig->hasthis);
4653 g_assert (method->addr);
4654 mono_mb_emit_native_call (mb, csig, method->addr);
4655 emit_thread_interrupt_checkpoint (mb);
4656 mono_mb_emit_byte (mb, CEE_RET);
4658 csig = mono_metadata_signature_dup (csig);
4660 res = mono_mb_create_and_cache (cache, method,
4661 mb, csig, csig->param_count + 16);
4668 mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
4669 mono_method_get_marshal_info (method, mspecs);
4671 /* pinvoke: we need to convert the arguments if necessary */
4673 /* we copy the signature, so that we can set pinvoke to 0 */
4674 csig = mono_metadata_signature_dup (sig);
4677 /* we allocate local for use with emit_struct_conv() */
4678 /* allocate local 0 (pointer) src_ptr */
4679 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4680 /* allocate local 1 (pointer) dst_ptr */
4681 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
4682 /* allocate local 2 (boolean) delete_old */
4683 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
4685 /* delete_old = FALSE */
4686 mono_mb_emit_icon (mb, 0);
4687 mono_mb_emit_byte (mb, CEE_STLOC_2);
4689 if (!MONO_TYPE_IS_VOID(sig->ret)) {
4690 /* allocate local 3 to store the return value */
4691 mono_mb_add_local (mb, sig->ret);
4694 if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
4695 /* Return type custom marshaling */
4697 * Since we can't determine the return type of the unmanaged function,
4698 * we assume it returns a pointer, and pass that pointer to
4699 * MarshalNativeToManaged.
4701 csig->ret = &mono_defaults.int_class->byval_arg;
4704 /* we first do all conversions */
4705 tmp_locals = alloca (sizeof (int) * sig->param_count);
4706 m.orig_conv_args = alloca (sizeof (int) * (sig->param_count + 1));
4708 for (i = 0; i < sig->param_count; i ++) {
4709 tmp_locals [i] = emit_marshal (&m, i + sig->hasthis, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
4712 /* push all arguments */
4715 mono_mb_emit_byte (mb, CEE_LDARG_0);
4717 for (i = 0; i < sig->param_count; i++) {
4718 MonoType *t = sig->params [i];
4719 MonoMarshalSpec *spec = mspecs [i + 1];
4721 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY)))
4722 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
4724 argnum = i + sig->hasthis;
4727 case MONO_TYPE_BOOLEAN:
4729 g_assert (tmp_locals [i]);
4730 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4732 mono_mb_emit_ldarg (mb, argnum);
4747 mono_mb_emit_ldarg (mb, argnum);
4749 case MONO_TYPE_VALUETYPE:
4750 emit_marshal (&m, i + sig->hasthis, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
4752 case MONO_TYPE_STRING:
4753 case MONO_TYPE_CLASS:
4754 case MONO_TYPE_OBJECT:
4755 case MONO_TYPE_ARRAY:
4756 case MONO_TYPE_SZARRAY:
4757 g_assert (tmp_locals [i]);
4759 mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
4761 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4763 case MONO_TYPE_CHAR:
4764 /* fixme: dont know how to marshal that. We cant simply
4765 * convert it to a one byte UTF8 character, because an
4766 * unicode character may need more that one byte in UTF8 */
4767 mono_mb_emit_ldarg (mb, argnum);
4769 case MONO_TYPE_TYPEDBYREF:
4770 case MONO_TYPE_FNPTR:
4772 g_warning ("type 0x%02x unknown", t->type);
4773 g_assert_not_reached ();
4778 /* call the native method */
4779 mono_mb_emit_native_call (mb, csig, method->addr);
4781 /* Set LastError if needed */
4782 if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
4783 MonoMethodSignature *lasterr_sig;
4785 lasterr_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
4786 lasterr_sig->ret = &mono_defaults.void_class->byval_arg;
4787 lasterr_sig->pinvoke = 1;
4789 mono_mb_emit_native_call (mb, lasterr_sig, mono_marshal_set_last_error);
4792 /* convert the result */
4793 if (!sig->ret->byref) {
4794 MonoMarshalSpec *spec = mspecs [0];
4795 type = sig->ret->type;
4797 if (spec && spec->native == MONO_NATIVE_CUSTOM) {
4798 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
4803 case MONO_TYPE_VOID:
4818 /* no conversions necessary */
4819 mono_mb_emit_byte (mb, CEE_STLOC_3);
4821 case MONO_TYPE_VALUETYPE:
4822 klass = sig->ret->data.klass;
4823 if (klass->enumtype) {
4824 type = sig->ret->data.klass->enum_basetype->type;
4827 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
4829 case MONO_TYPE_STRING:
4830 case MONO_TYPE_CLASS:
4831 case MONO_TYPE_OBJECT:
4832 case MONO_TYPE_BOOLEAN:
4833 case MONO_TYPE_ARRAY:
4834 case MONO_TYPE_SZARRAY:
4835 emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
4837 case MONO_TYPE_CHAR:
4838 /* fixme: we need conversions here */
4839 mono_mb_emit_byte (mb, CEE_STLOC_3);
4841 case MONO_TYPE_TYPEDBYREF:
4842 case MONO_TYPE_FNPTR:
4844 g_warning ("return type 0x%02x unknown", sig->ret->type);
4845 g_assert_not_reached ();
4849 mono_mb_emit_byte (mb, CEE_STLOC_3);
4853 * Need to call this after converting the result since MONO_VTADDR needs
4854 * to be adjacent to the call instruction.
4856 emit_thread_interrupt_checkpoint (mb);
4858 /* we need to convert byref arguments back and free string arrays */
4859 for (i = 0; i < sig->param_count; i++) {
4860 MonoType *t = sig->params [i];
4861 MonoMarshalSpec *spec = mspecs [i + 1];
4863 argnum = i + sig->hasthis;
4865 if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
4866 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
4871 case MONO_TYPE_STRING:
4872 case MONO_TYPE_VALUETYPE:
4873 case MONO_TYPE_CLASS:
4874 case MONO_TYPE_OBJECT:
4875 case MONO_TYPE_SZARRAY:
4876 emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
4878 case MONO_TYPE_BOOLEAN:
4881 mono_mb_emit_ldarg (mb, argnum);
4882 mono_mb_emit_ldloc (mb, tmp_locals [i]);
4883 if (mspecs [i + 1] != NULL && mspecs [i + 1]->native == MONO_NATIVE_VARIANTBOOL)
4884 mono_mb_emit_byte (mb, CEE_NEG);
4885 mono_mb_emit_byte (mb, CEE_STIND_I1);
4889 if (!MONO_TYPE_IS_VOID(sig->ret))
4890 mono_mb_emit_byte (mb, CEE_LDLOC_3);
4892 mono_mb_emit_byte (mb, CEE_RET);
4894 csig = mono_metadata_signature_dup (sig);
4896 res = mono_mb_create_and_cache (cache, method,
4897 mb, csig, csig->param_count + 16);
4900 for (i = sig->param_count; i >= 0; i--)
4901 g_free (mspecs [i]);
4904 /* 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)); */
4910 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy);
4912 static MonoReflectionType *
4913 type_from_handle (MonoType *handle)
4915 MonoDomain *domain = mono_domain_get ();
4916 MonoClass *klass = mono_class_from_mono_type (handle);
4918 MONO_ARCH_SAVE_REGS;
4920 mono_class_init (klass);
4921 return mono_type_get_object (domain, handle);
4925 * mono_marshal_get_isinst:
4926 * @klass: the type of the field
4928 * This method generates a function which can be used to check if an object is
4929 * an instance of the given type, icluding the case where the object is a proxy.
4930 * The generated function has the following signature:
4931 * MonoObject* __isinst_wrapper_ (MonoObject *obj)
4934 mono_marshal_get_isinst (MonoClass *klass)
4936 static MonoMethodSignature *isint_sig = NULL;
4937 static GHashTable *isinst_hash = NULL;
4939 int pos_was_ok, pos_failed, pos_end, pos_end2;
4941 MonoMethodBuilder *mb;
4943 EnterCriticalSection (&marshal_mutex);
4945 isinst_hash = g_hash_table_new (NULL, NULL);
4947 res = g_hash_table_lookup (isinst_hash, klass);
4948 LeaveCriticalSection (&marshal_mutex);
4953 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
4954 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
4955 isint_sig->ret = &mono_defaults.object_class->byval_arg;
4956 isint_sig->pinvoke = 0;
4959 name = g_strdup_printf ("__isinst_wrapper_%s", klass->name);
4960 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_ISINST);
4963 mb->method->save_lmf = 1;
4965 /* check if the object is a proxy that needs special cast */
4966 mono_mb_emit_ldarg (mb, 0);
4967 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
4968 mono_mb_emit_byte (mb, CEE_MONO_CISINST);
4969 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
4971 /* The result of MONO_ISINST can be:
4972 0) the type check succeeded
4973 1) the type check did not succeed
4974 2) a CanCastTo call is needed */
4976 mono_mb_emit_byte (mb, CEE_DUP);
4977 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
4979 mono_mb_emit_byte (mb, CEE_LDC_I4_2);
4980 pos_failed = mono_mb_emit_branch (mb, CEE_BNE_UN);
4982 /* get the real proxy from the transparent proxy*/
4984 mono_mb_emit_ldarg (mb, 0);
4985 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
4986 pos_end = mono_mb_emit_branch (mb, CEE_BR);
4990 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
4991 mono_mb_emit_byte (mb, CEE_LDNULL);
4992 pos_end2 = mono_mb_emit_branch (mb, CEE_BR);
4996 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
4997 mono_mb_emit_byte (mb, CEE_POP);
4998 mono_mb_emit_ldarg (mb, 0);
5002 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
5003 mono_mb_patch_addr (mb, pos_end2, mb->pos - (pos_end2 + 4));
5004 mono_mb_emit_byte (mb, CEE_RET);
5006 res = mono_mb_create_and_cache (isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
5013 * mono_marshal_get_castclass:
5014 * @klass: the type of the field
5016 * This method generates a function which can be used to cast an object to
5017 * an instance of the given type, icluding the case where the object is a proxy.
5018 * The generated function has the following signature:
5019 * MonoObject* __castclass_wrapper_ (MonoObject *obj)
5022 mono_marshal_get_castclass (MonoClass *klass)
5024 static MonoMethodSignature *castclass_sig = NULL;
5025 static GHashTable *castclass_hash = NULL;
5027 int pos_was_ok, pos_was_ok2;
5029 MonoMethodBuilder *mb;
5031 EnterCriticalSection (&marshal_mutex);
5032 if (!castclass_hash)
5033 castclass_hash = g_hash_table_new (NULL, NULL);
5035 res = g_hash_table_lookup (castclass_hash, klass);
5036 LeaveCriticalSection (&marshal_mutex);
5040 if (!castclass_sig) {
5041 castclass_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5042 castclass_sig->params [0] = &mono_defaults.object_class->byval_arg;
5043 castclass_sig->ret = &mono_defaults.object_class->byval_arg;
5044 castclass_sig->pinvoke = 0;
5047 name = g_strdup_printf ("__castclass_wrapper_%s", klass->name);
5048 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_CASTCLASS);
5051 mb->method->save_lmf = 1;
5053 /* check if the object is a proxy that needs special cast */
5054 mono_mb_emit_ldarg (mb, 0);
5055 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5056 mono_mb_emit_byte (mb, CEE_MONO_CCASTCLASS);
5057 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, klass));
5059 /* The result of MONO_ISINST can be:
5060 0) the cast is valid
5061 1) cast of unknown proxy type
5062 or an exception if the cast is is invalid
5065 pos_was_ok = mono_mb_emit_branch (mb, CEE_BRFALSE);
5067 /* get the real proxy from the transparent proxy*/
5069 mono_mb_emit_ldarg (mb, 0);
5070 mono_mb_emit_managed_call (mb, mono_marshal_get_proxy_cancast (klass), NULL);
5071 pos_was_ok2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
5074 mono_mb_emit_exception (mb, "InvalidCastException", NULL);
5077 mono_mb_patch_addr (mb, pos_was_ok, mb->pos - (pos_was_ok + 4));
5078 mono_mb_patch_addr (mb, pos_was_ok2, mb->pos - (pos_was_ok2 + 4));
5079 mono_mb_emit_ldarg (mb, 0);
5082 mono_mb_emit_byte (mb, CEE_RET);
5084 res = mono_mb_create_and_cache (castclass_hash, klass, mb, castclass_sig, castclass_sig->param_count + 16);
5091 mono_marshal_get_proxy_cancast (MonoClass *klass)
5093 static MonoMethodSignature *from_handle_sig = NULL;
5094 static MonoMethodSignature *upgrade_proxy_sig = NULL;
5095 static MonoMethodSignature *isint_sig = NULL;
5096 static GHashTable *proxy_isinst_hash = NULL;
5098 int pos_failed, pos_end;
5100 MonoMethod *can_cast_to;
5101 MonoMethodDesc *desc;
5102 MonoMethodBuilder *mb;
5104 EnterCriticalSection (&marshal_mutex);
5105 if (!proxy_isinst_hash)
5106 proxy_isinst_hash = g_hash_table_new (NULL, NULL);
5108 res = g_hash_table_lookup (proxy_isinst_hash, klass);
5109 LeaveCriticalSection (&marshal_mutex);
5114 upgrade_proxy_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
5115 upgrade_proxy_sig->params [0] = &mono_defaults.object_class->byval_arg;
5116 upgrade_proxy_sig->params [1] = &mono_defaults.object_class->byval_arg;
5117 upgrade_proxy_sig->ret = &mono_defaults.void_class->byval_arg;
5118 upgrade_proxy_sig->pinvoke = 1;
5120 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5121 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
5122 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
5124 isint_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5125 isint_sig->params [0] = &mono_defaults.object_class->byval_arg;
5126 isint_sig->ret = &mono_defaults.object_class->byval_arg;
5127 isint_sig->pinvoke = 0;
5130 name = g_strdup_printf ("__proxy_isinst_wrapper_%s", klass->name);
5131 mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_PROXY_ISINST);
5134 mb->method->save_lmf = 1;
5136 /* get the real proxy from the transparent proxy*/
5137 mono_mb_emit_ldarg (mb, 0);
5138 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoTransparentProxy, rp));
5139 mono_mb_emit_byte (mb, CEE_LDIND_I);
5141 /* get the refletion type from the type handle */
5142 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5143 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
5144 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
5145 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
5147 mono_mb_emit_ldarg (mb, 0);
5149 /* make the call to CanCastTo (type, ob) */
5150 desc = mono_method_desc_new ("IRemotingTypeInfo:CanCastTo", FALSE);
5151 can_cast_to = mono_method_desc_search_in_class (desc, mono_defaults.iremotingtypeinfo_class);
5152 g_assert (can_cast_to);
5153 mono_method_desc_free (desc);
5154 mono_mb_emit_byte (mb, CEE_CALLVIRT);
5155 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, can_cast_to));
5158 pos_failed = mono_mb_emit_branch (mb, CEE_BRFALSE);
5160 /* Upgrade the proxy vtable by calling: mono_upgrade_remote_class_wrapper (type, ob)*/
5161 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5162 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
5163 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &klass->byval_arg));
5164 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
5165 mono_mb_emit_ldarg (mb, 0);
5167 mono_mb_emit_native_call (mb, upgrade_proxy_sig, mono_upgrade_remote_class_wrapper);
5168 emit_thread_interrupt_checkpoint (mb);
5170 mono_mb_emit_ldarg (mb, 0);
5171 pos_end = mono_mb_emit_branch (mb, CEE_BR);
5175 mono_mb_patch_addr (mb, pos_failed, mb->pos - (pos_failed + 4));
5176 mono_mb_emit_byte (mb, CEE_LDNULL);
5180 mono_mb_patch_addr (mb, pos_end, mb->pos - (pos_end + 4));
5181 mono_mb_emit_byte (mb, CEE_RET);
5183 res = mono_mb_create_and_cache (proxy_isinst_hash, klass, mb, isint_sig, isint_sig->param_count + 16);
5190 mono_upgrade_remote_class_wrapper (MonoReflectionType *rtype, MonoTransparentProxy *tproxy)
5193 klass = mono_class_from_mono_type (rtype->type);
5194 mono_upgrade_remote_class (((MonoObject*)tproxy)->vtable->domain, tproxy->remote_class, klass);
5195 ((MonoObject*)tproxy)->vtable = tproxy->remote_class->vtable;
5199 * mono_marshal_get_struct_to_ptr:
5202 * generates IL code for StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)
5205 mono_marshal_get_struct_to_ptr (MonoClass *klass)
5207 MonoMethodBuilder *mb;
5208 static MonoMethod *stoptr = NULL;
5211 g_assert (klass != NULL);
5213 if (klass->str_to_ptr)
5214 return klass->str_to_ptr;
5217 stoptr = mono_find_method_by_name (mono_defaults.marshal_class, "StructureToPtr", 3);
5220 mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
5222 if (klass->blittable) {
5223 mono_mb_emit_byte (mb, CEE_LDARG_1);
5224 mono_mb_emit_byte (mb, CEE_LDARG_0);
5225 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5226 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
5227 mono_mb_emit_byte (mb, CEE_PREFIX1);
5228 mono_mb_emit_byte (mb, CEE_CPBLK);
5231 /* allocate local 0 (pointer) src_ptr */
5232 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5233 /* allocate local 1 (pointer) dst_ptr */
5234 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5235 /* allocate local 2 (boolean) delete_old */
5236 mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
5237 mono_mb_emit_byte (mb, CEE_LDARG_2);
5238 mono_mb_emit_byte (mb, CEE_STLOC_2);
5240 /* initialize src_ptr to point to the start of object data */
5241 mono_mb_emit_byte (mb, CEE_LDARG_0);
5242 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5243 mono_mb_emit_byte (mb, CEE_STLOC_0);
5245 /* initialize dst_ptr */
5246 mono_mb_emit_byte (mb, CEE_LDARG_1);
5247 mono_mb_emit_byte (mb, CEE_STLOC_1);
5249 emit_struct_conv (mb, klass, FALSE);
5252 mono_mb_emit_byte (mb, CEE_RET);
5254 res = mono_mb_create_method (mb, stoptr->signature, 0);
5257 klass->str_to_ptr = res;
5262 * mono_marshal_get_ptr_to_struct:
5265 * generates IL code for PtrToStructure (IntPtr src, object structure)
5268 mono_marshal_get_ptr_to_struct (MonoClass *klass)
5270 MonoMethodBuilder *mb;
5271 static MonoMethod *ptostr = NULL;
5274 g_assert (klass != NULL);
5276 if (klass->ptr_to_str)
5277 return klass->ptr_to_str;
5280 ptostr = mono_find_method_by_name (mono_defaults.marshal_class, "PtrToStructure", 2);
5283 mb = mono_mb_new (klass, ptostr->name, MONO_WRAPPER_UNKNOWN);
5285 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) || klass->blittable) {
5286 mono_mb_emit_byte (mb, CEE_LDARG_1);
5287 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5288 mono_mb_emit_byte (mb, CEE_LDARG_0);
5289 mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
5290 mono_mb_emit_byte (mb, CEE_PREFIX1);
5291 mono_mb_emit_byte (mb, CEE_CPBLK);
5294 /* allocate local 0 (pointer) src_ptr */
5295 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5296 /* allocate local 1 (pointer) dst_ptr */
5297 mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5299 /* initialize src_ptr to point to the start of object data */
5300 mono_mb_emit_byte (mb, CEE_LDARG_0);
5301 mono_mb_emit_byte (mb, CEE_STLOC_0);
5303 /* initialize dst_ptr */
5304 mono_mb_emit_byte (mb, CEE_LDARG_1);
5305 mono_mb_emit_ldflda (mb, sizeof (MonoObject));
5306 mono_mb_emit_byte (mb, CEE_STLOC_1);
5308 emit_struct_conv (mb, klass, TRUE);
5311 mono_mb_emit_byte (mb, CEE_RET);
5313 res = mono_mb_create_method (mb, ptostr->signature, 0);
5316 klass->ptr_to_str = res;
5321 * generates IL code for the synchronized wrapper: the generated method
5322 * calls METHOD while locking 'this' or the parent type.
5325 mono_marshal_get_synchronized_wrapper (MonoMethod *method)
5327 static MonoMethodSignature *from_handle_sig = NULL;
5328 static MonoMethod *enter_method, *exit_method;
5329 MonoMethodSignature *sig;
5330 MonoExceptionClause *clause;
5331 MonoMethodHeader *header;
5332 MonoMethodBuilder *mb;
5335 int i, pos, this_local, ret_local = 0;
5339 if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
5342 cache = method->klass->image->synchronized_cache;
5343 if ((res = mono_marshal_find_in_cache (cache, method)))
5346 sig = signature_no_pinvoke (method->signature);
5348 mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
5351 if (!MONO_TYPE_IS_VOID (sig->ret))
5352 ret_local = mono_mb_add_local (mb, sig->ret);
5355 this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
5357 clause = g_new0 (MonoExceptionClause, 1);
5358 clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
5360 if (!enter_method) {
5361 MonoMethodDesc *desc;
5363 desc = mono_method_desc_new ("Monitor:Enter", FALSE);
5364 enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
5365 g_assert (enter_method);
5366 mono_method_desc_free (desc);
5367 desc = mono_method_desc_new ("Monitor:Exit", FALSE);
5368 exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
5369 g_assert (exit_method);
5370 mono_method_desc_free (desc);
5373 * GetTypeFromHandle isn't called as a managed method because it has
5374 * a funky calling sequence, e.g. ldtoken+GetTypeFromHandle gets
5375 * transformed into something else by the JIT.
5377 from_handle_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1);
5378 from_handle_sig->params [0] = &mono_defaults.object_class->byval_arg;
5379 from_handle_sig->ret = &mono_defaults.object_class->byval_arg;
5382 /* Push this or the type object */
5383 if (method->flags & METHOD_ATTRIBUTE_STATIC) {
5384 mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
5385 mono_mb_emit_byte (mb, CEE_MONO_LDPTR);
5386 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, &method->klass->byval_arg));
5387 mono_mb_emit_native_call (mb, from_handle_sig, type_from_handle);
5390 mono_mb_emit_ldarg (mb, 0);
5391 mono_mb_emit_stloc (mb, this_local);
5393 /* Call Monitor::Enter() */
5394 mono_mb_emit_ldloc (mb, this_local);
5395 mono_mb_emit_managed_call (mb, enter_method, NULL);
5397 clause->try_offset = mb->pos;
5399 /* Call the method */
5401 mono_mb_emit_ldarg (mb, 0);
5402 for (i = 0; i < sig->param_count; i++)
5403 mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
5405 /* this is needed to avoid recursion */
5406 mono_mb_emit_byte (mb, CEE_PREFIX1);
5407 mono_mb_emit_byte (mb, CEE_LDFTN);
5408 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, method));
5409 mono_mb_emit_calli (mb, method->signature);
5411 if (!MONO_TYPE_IS_VOID (sig->ret))
5412 mono_mb_emit_stloc (mb, ret_local);
5414 mono_mb_emit_byte (mb, CEE_LEAVE);
5416 mono_mb_emit_i4 (mb, 0);
5418 clause->try_len = mb->pos - clause->try_offset;
5419 clause->handler_offset = mb->pos;
5421 /* Call Monitor::Exit() */
5422 mono_mb_emit_ldloc (mb, this_local);
5423 /* mono_mb_emit_native_call (mb, exit_sig, mono_monitor_exit); */
5424 mono_mb_emit_managed_call (mb, exit_method, NULL);
5425 mono_mb_emit_byte (mb, CEE_ENDFINALLY);
5427 clause->handler_len = mb->pos - clause->handler_offset;
5429 mono_mb_patch_addr (mb, pos, mb->pos - (pos + 4));
5430 if (!MONO_TYPE_IS_VOID (sig->ret))
5431 mono_mb_emit_ldloc (mb, ret_local);
5432 mono_mb_emit_byte (mb, CEE_RET);
5434 res = mono_mb_create_and_cache (cache, method,
5435 mb, sig, sig->param_count + 16);
5438 header = ((MonoMethodNormal *)res)->header;
5439 header->num_clauses = 1;
5440 header->clauses = clause;
5446 mono_marshal_get_stelemref ()
5448 static MonoMethod* ret = NULL;
5449 MonoMethodSignature *sig;
5450 MonoMethodBuilder *mb;
5452 guint32 b1, b2, b3, b4;
5459 mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
5462 sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
5464 /* void stelemref (void* array, int idx, void* value) */
5465 sig->ret = &mono_defaults.void_class->byval_arg;
5466 sig->params [0] = &mono_defaults.int_class->byval_arg;
5467 sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
5468 sig->params [2] = &mono_defaults.int_class->byval_arg;
5470 aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5471 vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
5479 aklass = array->vtable->klass->element_class;
5480 vklass = value->vtable->klass;
5482 if (vklass->idepth < aklass->idepth)
5485 if (vklass->supertypes [aklass->idepth - 1] != aklass)
5489 array [idx] = value;
5493 if (mono_object_isinst (value, aklass))
5496 throw new ArrayTypeMismatchException ();
5500 mono_mb_emit_ldarg (mb, 0);
5501 mono_mb_emit_ldarg (mb, 1);
5502 mono_mb_emit_byte (mb, CEE_LDELEMA);
5503 mono_mb_emit_i4 (mb, mono_mb_add_data (mb, mono_defaults.int_class));
5504 mono_mb_emit_byte (mb, CEE_POP);
5506 /* if (!value) goto do_store */
5507 mono_mb_emit_ldarg (mb, 2);
5508 b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
5510 /* aklass = array->vtable->klass->element_class */
5511 mono_mb_emit_ldarg (mb, 0);
5512 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
5513 mono_mb_emit_byte (mb, CEE_LDIND_I);
5514 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
5515 mono_mb_emit_byte (mb, CEE_LDIND_I);
5516 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, element_class));
5517 mono_mb_emit_byte (mb, CEE_LDIND_I);
5518 mono_mb_emit_stloc (mb, aklass);
5520 /* vklass = value->vtable->klass */
5521 mono_mb_emit_ldarg (mb, 2);
5522 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoObject, vtable));
5523 mono_mb_emit_byte (mb, CEE_LDIND_I);
5524 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoVTable, klass));
5525 mono_mb_emit_byte (mb, CEE_LDIND_I);
5526 mono_mb_emit_stloc (mb, vklass);
5528 /* if (vklass->idepth < aklass->idepth) goto failue */
5529 mono_mb_emit_ldloc (mb, vklass);
5530 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
5531 mono_mb_emit_byte (mb, CEE_LDIND_I4);
5533 mono_mb_emit_ldloc (mb, aklass);
5534 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
5535 mono_mb_emit_byte (mb, CEE_LDIND_I4);
5537 b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
5539 /* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
5540 mono_mb_emit_ldloc (mb, vklass);
5541 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, supertypes));
5542 mono_mb_emit_byte (mb, CEE_LDIND_I);
5544 mono_mb_emit_ldloc (mb, aklass);
5545 mono_mb_emit_ldflda (mb, G_STRUCT_OFFSET (MonoClass, idepth));
5546 mono_mb_emit_byte (mb, CEE_LDIND_I4);
5547 mono_mb_emit_icon (mb, 1);
5548 mono_mb_emit_byte (mb, CEE_SUB);
5549 mono_mb_emit_icon (mb, sizeof (void*));
5550 mono_mb_emit_byte (mb, CEE_MUL);
5551 mono_mb_emit_byte (mb, CEE_ADD);
5552 mono_mb_emit_byte (mb, CEE_LDIND_I);
5554 mono_mb_emit_ldloc (mb, aklass);
5556 b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
5560 mono_mb_patch_addr (mb, b1, mb->pos - (b1 + 4));
5561 mono_mb_emit_ldarg (mb, 0);
5562 mono_mb_emit_ldarg (mb, 1);
5563 mono_mb_emit_ldarg (mb, 2);
5564 mono_mb_emit_byte (mb, CEE_STELEM_I);
5566 mono_mb_emit_byte (mb, CEE_RET);
5569 mono_mb_patch_addr (mb, b2, mb->pos - (b2 + 4));
5570 mono_mb_patch_addr (mb, b3, mb->pos - (b3 + 4));
5572 mono_mb_emit_ldarg (mb, 2);
5573 mono_mb_emit_ldloc (mb, aklass);
5574 mono_mb_emit_icall (mb, mono_object_isinst);
5576 b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
5577 mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
5578 mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
5580 mono_mb_emit_byte (mb, CEE_RET);
5581 ret = mono_mb_create_method (mb, sig, 4);
5587 mono_marshal_alloc (gulong size)
5591 #ifdef PLATFORM_WIN32
5592 res = CoTaskMemAlloc (size);
5594 res = g_try_malloc ((gulong)size);
5596 mono_gc_out_of_memory ((gulong)size);
5602 mono_marshal_free (gpointer ptr)
5604 #ifdef PLATFORM_WIN32
5605 CoTaskMemFree (ptr);
5612 mono_marshal_free_array (gpointer *ptr, int size)
5619 for (i = 0; i < size; i++)
5625 mono_marshal_realloc (gpointer ptr, gpointer size)
5627 MONO_ARCH_SAVE_REGS;
5629 return g_try_realloc (ptr, (gulong)size);
5633 mono_marshal_string_to_utf16 (MonoString *s)
5635 return s ? mono_string_chars (s) : NULL;
5639 * mono_marshal_set_last_error:
5641 * This function is invoked to set the last error value from a P/Invoke call
5642 * which has SetLastError set.
5645 mono_marshal_set_last_error (void)
5648 TlsSetValue (last_error_tls_id, (gpointer)GetLastError ());
5650 TlsSetValue (last_error_tls_id, (gpointer)errno);
5655 ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
5656 gpointer dest, gint32 length)
5661 MONO_ARCH_SAVE_REGS;
5663 MONO_CHECK_ARG_NULL (src);
5664 MONO_CHECK_ARG_NULL (dest);
5666 g_assert (src->obj.vtable->klass->rank == 1);
5667 g_assert (start_index >= 0);
5668 g_assert (length >= 0);
5669 g_assert (start_index + length <= mono_array_length (src));
5671 element_size = mono_array_element_size (src->obj.vtable->klass);
5673 source_addr = mono_array_addr_with_size (src, element_size, start_index);
5675 memcpy (dest, source_addr, length * element_size);
5679 ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
5680 MonoArray *dest, gint32 length)
5685 MONO_ARCH_SAVE_REGS;
5687 MONO_CHECK_ARG_NULL (src);
5688 MONO_CHECK_ARG_NULL (dest);
5690 g_assert (dest->obj.vtable->klass->rank == 1);
5691 g_assert (start_index >= 0);
5692 g_assert (length >= 0);
5693 g_assert (start_index + length <= mono_array_length (dest));
5695 element_size = mono_array_element_size (dest->obj.vtable->klass);
5697 dest_addr = mono_array_addr_with_size (dest, element_size, start_index);
5699 memcpy (dest_addr, src, length * element_size);
5702 #if NO_UNALIGNED_ACCESS
5703 #define RETURN_UNALIGNED(type, addr) \
5706 memcpy(&val, p + offset, sizeof(val)); \
5709 #define WRITE_UNALIGNED(type, addr, val) \
5710 memcpy(addr, &val, sizeof(type))
5712 #define RETURN_UNALIGNED(type, addr) \
5713 return *(type*)(p + offset);
5714 #define WRITE_UNALIGNED(type, addr, val) \
5715 (*(type *)(addr) = (val))
5719 ves_icall_System_Runtime_InteropServices_Marshal_ReadIntPtr (gpointer ptr, gint32 offset)
5723 MONO_ARCH_SAVE_REGS;
5725 RETURN_UNALIGNED(gpointer, p + offset);
5729 ves_icall_System_Runtime_InteropServices_Marshal_ReadByte (gpointer ptr, gint32 offset)
5733 MONO_ARCH_SAVE_REGS;
5735 return *(unsigned char*)(p + offset);
5739 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt16 (gpointer ptr, gint32 offset)
5743 MONO_ARCH_SAVE_REGS;
5745 RETURN_UNALIGNED(gint16, p + offset);
5749 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt32 (gpointer ptr, gint32 offset)
5753 MONO_ARCH_SAVE_REGS;
5755 RETURN_UNALIGNED(gint32, p + offset);
5759 ves_icall_System_Runtime_InteropServices_Marshal_ReadInt64 (gpointer ptr, gint32 offset)
5763 MONO_ARCH_SAVE_REGS;
5765 RETURN_UNALIGNED(gint64, p + offset);
5769 ves_icall_System_Runtime_InteropServices_Marshal_WriteByte (gpointer ptr, gint32 offset, unsigned char val)
5773 MONO_ARCH_SAVE_REGS;
5775 *(unsigned char*)(p + offset) = val;
5779 ves_icall_System_Runtime_InteropServices_Marshal_WriteIntPtr (gpointer ptr, gint32 offset, gpointer val)
5783 MONO_ARCH_SAVE_REGS;
5785 WRITE_UNALIGNED(gpointer, p + offset, val);
5789 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt16 (gpointer ptr, gint32 offset, gint16 val)
5793 MONO_ARCH_SAVE_REGS;
5795 WRITE_UNALIGNED(gint16, p + offset, val);
5799 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt32 (gpointer ptr, gint32 offset, gint32 val)
5803 MONO_ARCH_SAVE_REGS;
5805 WRITE_UNALIGNED(gint32, p + offset, val);
5809 ves_icall_System_Runtime_InteropServices_Marshal_WriteInt64 (gpointer ptr, gint32 offset, gint64 val)
5813 MONO_ARCH_SAVE_REGS;
5815 WRITE_UNALIGNED(gint64, p + offset, val);
5819 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr)
5821 MONO_ARCH_SAVE_REGS;
5826 return mono_string_new (mono_domain_get (), ptr);
5830 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
5832 MONO_ARCH_SAVE_REGS;
5835 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
5837 return mono_string_new_len (mono_domain_get (), ptr, len);
5841 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
5843 MonoDomain *domain = mono_domain_get ();
5847 MONO_ARCH_SAVE_REGS;
5855 return mono_string_new_utf16 (domain, ptr, len);
5859 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
5861 MonoDomain *domain = mono_domain_get ();
5863 MONO_ARCH_SAVE_REGS;
5866 mono_raise_exception (mono_get_exception_argument_null ("ptr"));
5868 return mono_string_new_utf16 (domain, ptr, len);
5872 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringBSTR (gpointer ptr)
5874 MONO_ARCH_SAVE_REGS;
5876 g_warning ("PtrToStringBSTR not implemented");
5877 g_assert_not_reached ();
5883 ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
5885 MONO_ARCH_SAVE_REGS;
5887 return ((guint32)TlsGetValue (last_error_tls_id));
5891 ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionType *rtype)
5897 MONO_ARCH_SAVE_REGS;
5899 MONO_CHECK_ARG_NULL (rtype);
5902 klass = mono_class_from_mono_type (type);
5903 layout = (klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK);
5905 if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
5909 msg = g_strdup_printf ("Type %s cannot be marshaled as an unmanaged structure.", klass->name);
5910 exc = mono_get_exception_argument ("t", msg);
5912 mono_raise_exception (exc);
5916 return mono_class_native_size (klass, NULL);
5920 ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
5925 MONO_ARCH_SAVE_REGS;
5927 MONO_CHECK_ARG_NULL (obj);
5928 MONO_CHECK_ARG_NULL (dst);
5930 method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
5934 pa [2] = &delete_old;
5936 mono_runtime_invoke (method, NULL, pa, NULL);
5940 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
5945 MONO_ARCH_SAVE_REGS;
5947 MONO_CHECK_ARG_NULL (src);
5948 MONO_CHECK_ARG_NULL (dst);
5950 method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
5955 mono_runtime_invoke (method, NULL, pa, NULL);
5959 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
5961 MonoDomain *domain = mono_domain_get ();
5964 MONO_ARCH_SAVE_REGS;
5966 MONO_CHECK_ARG_NULL (src);
5967 MONO_CHECK_ARG_NULL (type);
5969 res = mono_object_new (domain, mono_class_from_mono_type (type->type));
5971 ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (src, res);
5977 ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionType *type, MonoString *field_name)
5979 MonoMarshalType *info;
5982 int i, match_index = -1;
5984 MONO_ARCH_SAVE_REGS;
5986 MONO_CHECK_ARG_NULL (type);
5987 MONO_CHECK_ARG_NULL (field_name);
5989 fname = mono_string_to_utf8 (field_name);
5990 klass = mono_class_from_mono_type (type->type);
5992 while (klass && match_index == -1) {
5993 for (i = 0; i < klass->field.count; ++i) {
5994 if (*fname == *klass->fields [i].name && strcmp (fname, klass->fields [i].name) == 0) {
6000 if (match_index == -1)
6001 klass = klass->parent;
6006 if(match_index == -1) {
6010 /* Get back original class instance */
6011 klass = mono_class_from_mono_type (type->type);
6013 tmp = g_strdup_printf ("Field passed in is not a marshaled member of the type %s", klass->name);
6014 exc = mono_get_exception_argument ("fieldName", tmp);
6017 mono_raise_exception ((MonoException*)exc);
6020 info = mono_marshal_load_type_info (klass);
6021 return info->fields [match_index].offset;
6025 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
6027 MONO_ARCH_SAVE_REGS;
6029 return mono_string_to_utf8 (string);
6033 ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
6035 MONO_ARCH_SAVE_REGS;
6040 return g_memdup (mono_string_chars (string), mono_string_length (string)*2);
6044 mono_struct_delete_old (MonoClass *klass, char *ptr)
6046 MonoMarshalType *info;
6049 info = mono_marshal_load_type_info (klass);
6051 for (i = 0; i < info->num_fields; i++) {
6052 MonoMarshalNative ntype;
6053 MonoMarshalConv conv;
6054 MonoType *ftype = info->fields [i].field->type;
6057 if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
6060 ntype = mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
6061 klass->unicode, &conv);
6063 cpos = ptr + info->fields [i].offset;
6066 case MONO_MARSHAL_CONV_NONE:
6067 if (MONO_TYPE_ISSTRUCT (ftype)) {
6068 mono_struct_delete_old (ftype->data.klass, cpos);
6072 case MONO_MARSHAL_CONV_STR_LPWSTR:
6073 case MONO_MARSHAL_CONV_STR_LPSTR:
6074 case MONO_MARSHAL_CONV_STR_LPTSTR:
6075 case MONO_MARSHAL_CONV_STR_BSTR:
6076 case MONO_MARSHAL_CONV_STR_ANSIBSTR:
6077 case MONO_MARSHAL_CONV_STR_TBSTR:
6078 mono_marshal_free (*(gpointer *)cpos);
6087 ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
6091 MONO_ARCH_SAVE_REGS;
6093 MONO_CHECK_ARG_NULL (src);
6094 MONO_CHECK_ARG_NULL (type);
6096 klass = mono_class_from_mono_type (type->type);
6098 mono_struct_delete_old (klass, (char *)src);
6102 /* FIXME: on win32 we should probably use GlobalAlloc(). */
6104 ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (int size)
6108 MONO_ARCH_SAVE_REGS;
6110 if ((gulong)size == 0)
6111 /* This returns a valid pointer for size 0 on MS.NET */
6114 res = g_try_malloc ((gulong)size);
6116 mono_gc_out_of_memory ((gulong)size);
6122 ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
6124 MONO_ARCH_SAVE_REGS;
6130 ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
6132 MONO_ARCH_SAVE_REGS;
6134 #ifdef PLATFORM_WIN32
6135 return CoTaskMemAlloc (size);
6137 return g_try_malloc ((gulong)size);
6142 ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
6144 MONO_ARCH_SAVE_REGS;
6146 #ifdef PLATFORM_WIN32
6147 CoTaskMemFree (ptr);
6154 ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
6156 return mono_array_addr_with_size (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
6160 ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionType *type)
6162 return mono_ftnptr_to_delegate (mono_type_get_class (type->type), ftn);
6166 mono_marshal_load_type_info (MonoClass* klass)
6168 int i, j, count = 0, native_size = 0, min_align = 1;
6169 MonoMarshalType *info;
6172 g_assert (klass != NULL);
6174 if (klass->marshal_info)
6175 return klass->marshal_info;
6178 mono_class_init (klass);
6180 for (i = 0; i < klass->field.count; ++i) {
6181 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
6183 if (mono_field_is_deleted (&klass->fields [i]))
6188 layout = klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK;
6190 klass->marshal_info = info = g_malloc0 (sizeof (MonoMarshalType) + sizeof (MonoMarshalField) * count);
6191 info->num_fields = count;
6193 /* Try to find a size for this type in metadata */
6194 mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
6196 if (klass->parent) {
6197 int parent_size = mono_class_native_size (klass->parent, NULL);
6199 /* Add parent size to real size */
6200 native_size += parent_size;
6201 info->native_size = parent_size;
6204 for (j = i = 0; i < klass->field.count; ++i) {
6207 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_STATIC)
6210 if (mono_field_is_deleted (&klass->fields [i]))
6212 if (klass->fields [i].type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
6213 mono_metadata_field_info (klass->image, klass->field.first + i,
6214 NULL, NULL, &info->fields [j].mspec);
6216 info->fields [j].field = &klass->fields [i];
6218 if ((klass->field.count == 1) && (klass->instance_size == sizeof (MonoObject)) &&
6219 (strcmp (klass->fields [i].name, "$PRIVATE$") == 0)) {
6220 /* This field is a hack inserted by MCS to empty structures */
6225 case TYPE_ATTRIBUTE_AUTO_LAYOUT:
6226 case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
6227 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
6228 &align, TRUE, klass->unicode);
6229 align = klass->packing_size ? MIN (klass->packing_size, align): align;
6230 min_align = MAX (align, min_align);
6231 info->fields [j].offset = info->native_size;
6232 info->fields [j].offset += align - 1;
6233 info->fields [j].offset &= ~(align - 1);
6234 info->native_size = info->fields [j].offset + size;
6236 case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
6237 size = mono_marshal_type_size (klass->fields [i].type, info->fields [j].mspec,
6238 &align, TRUE, klass->unicode);
6239 align = klass->packing_size ? MIN (klass->packing_size, align): align;
6240 min_align = MAX (align, min_align);
6241 info->fields [j].offset = klass->fields [i].offset - sizeof (MonoObject);
6242 info->native_size = MAX (info->native_size, info->fields [j].offset + size);
6248 if(layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
6249 info->native_size = MAX (native_size, info->native_size);
6252 if (info->native_size & (min_align - 1)) {
6253 info->native_size += min_align - 1;
6254 info->native_size &= ~(min_align - 1);
6257 /* Update the class's blittable info, if the layouts don't match */
6258 if (info->native_size != mono_class_value_size (klass, NULL))
6259 klass->blittable = FALSE;
6261 /* If this is an array type, ensure that we have element info */
6262 if (klass->element_class) {
6263 mono_marshal_load_type_info (klass->element_class);
6266 return klass->marshal_info;
6270 * mono_class_native_size:
6273 * Returns: the native size of an object instance (when marshaled
6274 * to unmanaged code)
6277 mono_class_native_size (MonoClass *klass, guint32 *align)
6280 if (!klass->marshal_info)
6281 mono_marshal_load_type_info (klass);
6284 *align = klass->min_align;
6286 return klass->marshal_info->native_size;
6290 * mono_type_native_stack_size:
6291 * @t: the type to return the size it uses on the stack
6293 * Returns: the number of bytes required to hold an instance of this
6294 * type on the native stack
6297 mono_type_native_stack_size (MonoType *t, gint *align)
6301 g_assert (t != NULL);
6312 case MONO_TYPE_BOOLEAN:
6313 case MONO_TYPE_CHAR:
6322 case MONO_TYPE_STRING:
6323 case MONO_TYPE_OBJECT:
6324 case MONO_TYPE_CLASS:
6325 case MONO_TYPE_SZARRAY:
6327 case MONO_TYPE_FNPTR:
6328 case MONO_TYPE_ARRAY:
6329 case MONO_TYPE_TYPEDBYREF:
6340 case MONO_TYPE_VALUETYPE: {
6343 if (t->data.klass->enumtype)
6344 return mono_type_native_stack_size (t->data.klass->enum_basetype, align);
6346 size = mono_class_native_size (t->data.klass, align);
6347 *align = *align + 3;
6357 g_error ("type 0x%02x unknown", t->type);
6362 /* __alignof__ returns the preferred alignment of values not the actual alignment used by
6363 the compiler so is wrong e.g. for Linux where doubles are aligned on a 4 byte boundary
6364 but __alignof__ returns 8 - using G_STRUCT_OFFSET works better */
6365 #define ALIGNMENT(type) G_STRUCT_OFFSET(struct { char c; type x; }, x)
6368 mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, gint32 *align,
6369 gboolean as_field, gboolean unicode)
6371 MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
6374 switch (native_type) {
6375 case MONO_NATIVE_BOOLEAN:
6378 case MONO_NATIVE_I1:
6379 case MONO_NATIVE_U1:
6382 case MONO_NATIVE_I2:
6383 case MONO_NATIVE_U2:
6384 case MONO_NATIVE_VARIANTBOOL:
6387 case MONO_NATIVE_I4:
6388 case MONO_NATIVE_U4:
6389 case MONO_NATIVE_ERROR:
6392 case MONO_NATIVE_I8:
6393 case MONO_NATIVE_U8:
6394 *align = ALIGNMENT(guint64);
6396 case MONO_NATIVE_R4:
6399 case MONO_NATIVE_R8:
6400 *align = ALIGNMENT(double);
6402 case MONO_NATIVE_INT:
6403 case MONO_NATIVE_UINT:
6404 case MONO_NATIVE_LPSTR:
6405 case MONO_NATIVE_LPWSTR:
6406 case MONO_NATIVE_LPTSTR:
6407 case MONO_NATIVE_BSTR:
6408 case MONO_NATIVE_ANSIBSTR:
6409 case MONO_NATIVE_TBSTR:
6410 case MONO_NATIVE_LPARRAY:
6411 case MONO_NATIVE_SAFEARRAY:
6412 case MONO_NATIVE_IUNKNOWN:
6413 case MONO_NATIVE_IDISPATCH:
6414 case MONO_NATIVE_INTERFACE:
6415 case MONO_NATIVE_ASANY:
6416 case MONO_NATIVE_FUNC:
6417 case MONO_NATIVE_LPSTRUCT:
6418 *align = ALIGNMENT(gpointer);
6419 return sizeof (gpointer);
6420 case MONO_NATIVE_STRUCT:
6421 klass = mono_class_from_mono_type (type);
6422 return mono_class_native_size (klass, align);
6423 case MONO_NATIVE_BYVALTSTR: {
6424 int esize = unicode ? 2: 1;
6427 return mspec->data.array_data.num_elem * esize;
6429 case MONO_NATIVE_BYVALARRAY: {
6431 klass = mono_class_from_mono_type (type);
6432 esize = mono_class_native_size (klass->element_class, align);
6434 return mspec->data.array_data.num_elem * esize;
6436 case MONO_NATIVE_CUSTOM:
6437 g_assert_not_reached ();
6439 case MONO_NATIVE_CURRENCY:
6440 case MONO_NATIVE_VBBYREFSTR:
6442 g_error ("native type %02x not implemented", native_type);
6445 g_assert_not_reached ();
6450 mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding)
6458 t = &o->vtable->klass->byval_arg;
6465 case MONO_TYPE_BOOLEAN:
6468 case MONO_TYPE_CHAR:
6473 return mono_object_unbox (o);
6475 case MONO_TYPE_STRING:
6476 switch (string_encoding) {
6477 case MONO_NATIVE_LPWSTR:
6478 return mono_string_to_utf16 ((MonoString*)o);
6480 case MONO_NATIVE_LPSTR:
6481 return mono_string_to_lpstr ((MonoString*)o);
6484 g_warning ("marshaling conversion %d not implemented", string_encoding);
6485 g_assert_not_reached ();
6488 case MONO_TYPE_CLASS:
6489 case MONO_TYPE_VALUETYPE: {
6493 MonoBoolean delete_old = FALSE;
6495 klass = t->data.klass;
6497 if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
6500 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6501 klass->blittable || klass->enumtype)
6502 return mono_object_unbox (o);
6504 res = mono_marshal_alloc (mono_class_native_size (klass, NULL));
6506 method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
6510 pa [2] = &delete_old;
6512 mono_runtime_invoke (method, NULL, pa, NULL);
6518 mono_raise_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
6524 mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding)
6532 t = &o->vtable->klass->byval_arg;
6534 case MONO_TYPE_STRING:
6535 switch (string_encoding) {
6536 case MONO_NATIVE_LPWSTR:
6537 case MONO_NATIVE_LPSTR:
6538 mono_marshal_free (ptr);
6541 g_warning ("marshaling conversion %d not implemented", string_encoding);
6542 g_assert_not_reached ();
6545 case MONO_TYPE_CLASS:
6546 case MONO_TYPE_VALUETYPE: {
6547 klass = t->data.klass;
6549 if (((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) ||
6550 klass->blittable || klass->enumtype)
6553 mono_struct_delete_old (klass, ptr);
6555 mono_marshal_free (ptr);